Import cups.org releasesrelease-1.1.13

git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/tags/release-1.1.13@4306 a1ca3aef-8c08-0410-bb20-df032aa958be

1268 files changed, 592167 insertions, 0 deletions

diff --git a/.cvsignore b/.cvsignore
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index 000000000..be4550c6f
--- /dev/null
+++ b/.cvsignore
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+config.cache
+config.h
+config.log
+config.status
+configure
+cups-config
+cups.list
+cups.sh
+Makedefs
diff --git a/CHANGES.txt b/CHANGES.txt
new file mode 100644
index 000000000..543a74914
--- /dev/null
+++ b/CHANGES.txt
@@ -0,0 +1,2014 @@
+CHANGES.txt - 01/31/2002
+------------------------
+
+CHANGES IN CUPS V1.1.13
+
+	- The lpstat command did not report jobs submitted to
+	  regular printer classes.
+	- The texttops filter didn't use sufficient precision
+	  when positioning text with some values of cpi and lpi.
+	  This could cause the alignment of text to stray.
+	- cupsGetDests() didn't merge the options from the
+	  /etc/cups/lpoptions file with ~/.lpoptions - options
+	  in ~/.lpoptions overrode them completely.
+	- Added support for KOI8-R and KOI8-U character sets,
+	  and added several Russian message catalogs.
+	- The scheduler put the wrong timezone offset in the log
+	  files (e.g. +0500 instead of -0500 for EST...)
+	- The scheduler did not ignore trailing whitespace in
+	  *.convs files.
+	- The scheduler now forces all processes to exit (kill
+	  -9) when it is stopped.  This prevents parallel and
+	  USB devices from running in the background after cupsd
+	  goes away.
+	- The cupsParseOptions() function didn't skip trailing
+	  whitespace after quoted values.
+	- More changes to support CUPS on OS/2.
+	- Added Simplified Chinese message catalog.
+	- Added PAM support for IRIX.
+	- The cupsGetPPD() function didn't remove the @server
+	  portion of the printer name, and since it would
+	  connect immediately to the remote server instead of
+	  the local server, the printer would not be found.
+	- Classification and page labels were not rotated to
+	  match the page orientation.
+	- Now set the TCP "no delay" option on network
+	  connections to improve performance/response time.
+	- Improved the IRIX printing tools support with patches
+	  from Andrea Suatoni.
+	- Added a new PrintcapGUI directive to specify the GUI
+	  option panel program to use for the IRIX printing
+	  tools support.
+	- The cupsGetDests() function did not check to see if a
+	  user-defined default printer (set via lpoptions) still
+	  existed.
+	- The pstops filter no longer assumes that the default
+	  dictionary is writable when doing N-up processing.
+	- The pstops filter now supports printing N-up with the
+	  page-set option.
+	- The imagetoraster filter now supports direct printing
+	  of CMYK image data without conversion/correction.
+	- The IPP backend now reports printer state/error
+	  conditions when possible (toner low, media empty,
+	  etc.)
+	- The lpstat command now supports the (undocumented)
+	  IRIX -l option ("-lprintername") for a compact job
+	  listing for a printer.
+	- The lpstat command now includes printer date/time
+	  information in the output (always Jan 01 00:00) to
+	  make third-party tools happy.
+	- The text filter now supports non-integer cpi and lpi
+	  values.
+	- The Margins field in the CUPS raster header was not
+	  initialized by the pstoraster filter.
+	- Added --with-optim="flags" option to configure script.
+	- Updated the Italian message translations.
+	- Updated the cups.list file to install the correct
+	  files.
+	- The pstoraster filter accessed the third element of a
+	  2 element array.
+	- The scheduler did not setup a status pipe for polling
+	  processes, so error messages went to whatever file
+	  descriptor 2 was pointing to when they were started.
+	- The httpMD5Final() function didn't put a colon between
+	  the password and nonce strings.
+	- The pstops filter did not default to Binary data for
+	  "%%BeginData:".
+	- The pstops filter did not stop processing when a line
+	  containing a CTRL-D is seen.
+	- The scheduler no longer replaces the JobSheets values
+	  from the printers.conf and classes.conf files with the
+	  classification level, if set.  This way the original
+	  banner settings are preserved when classification
+	  levels are changed or turned off.
+	- The serial backend didn't drain the output queue, nor
+	  did it restore the original settings.
+	- Updated the default system group under MacOS X.
+	- If no SystemGroup was defined in cupsd.conf, the
+	  system default group was not used.
+	- The cups-lpd mini-daemon now supports LPD clients that
+	  send multiple control files.
+	- httpConnectEncrypt() now always uses encryption for
+	  connections on port 443, since port 443 is reserved
+	  for the "https" scheme.
+	- Group authentication via certificates did not work
+	  from the web interface for accounts other than
+	  "root".	
+	- The serial port backend did not clear the OPOST
+	  option, which could cause problems with some printers.
+	- The cups-lpd mini-daemon didn't lookup the client IP
+	  address properly.
+	- The parallel backend now identifies the polled and
+	  interrupt-driven devices under *BSD.
+	- The scheduler allowed the "always" encryption mode
+	  inside a Location, which is not valid.
+	- The CUPS startup script now checks for the timezone
+	  information under Linux.
+	- Now also map the sides attribute to the JCLDuplex
+	  option (if present) in PPD files.
+	- Updated pdftops to Xpdf 0.93a.
+	- Added support for MD5 passwords under Slackware.
+	- Added new AuthType BasicDigest that does Basic
+	  authentication using the MD5 password file managed by
+	  the lppasswd command.
+	- The banner page attribute substitution code now
+	  retains {name} sequences in banner files when the
+	  named attribute is undefined.  Use {?name} to
+	  conditionally substitute an IPP attribute.
+	- The scheduler now ensures that the ServerRoot
+	  directory and configuration files are owned by and
+	  writable by the User and Group in cupsd.conf.
+	- The USB backend now lists all USB printer devices
+	  regardless of whether a printer is connected or not. 
+	  This allows new USB printers to be connected without
+	  restarting cupsd.
+	- Added some more minor performance tweeks to the IPP
+	  protocol code to reduce copying and array indexing.
+	- The cupsaddsmb utility now uses the -c option with
+	  smbclient and rpcclient to avoid the read length limit
+	  for commands on the standard input.
+	- Added an include file to the CRD handling code in
+	  pstoraster so that it would compile properly on 64-bit
+	  pointer platforms...
+	- The cups-config script reported the wrong version
+	  number.
+	- The cups-config script was installed in $(bindir)
+	  instead of $(BINDIR).
+	- The init script did not correctly check for a running
+	  cupsd under IRIX 5.x.
+
+
+CHANGES IN CUPS V1.1.12
+
+	- Added "Polish" to the list of known languages for PPD
+	  files.
+	- Added missing directory definition to cups-config.
+	- The CUPS-Move-Job operation did not set the
+	  destination type for the new destination.
+	- The CUPS-Add-Printer operation did not support the
+	  allow=all or deny=none values to clear the per-user
+	  printer ACLs.
+	- The SetPrinterAttrs() function did not handle invalid
+	  PPD files that were missing the required NickName
+	  attribute.  It now looks for NickName, ModelName, and
+	  then substitutes the string "Bad PPD File" for the
+	  printer-make-and-model attribute.
+
+
+CHANGES IN CUPS V1.1.11
+
+	- Added support for embedded TrueType fonts in PDF
+	  files.
+	- Added support for PostScript functions in PDF
+	  files.
+	- Added new "cupsaddsmb" utility for exporting
+	  CUPS printer drivers to SAMBA/Windows clients.
+	- Added preliminary support for Darwin/MacOS X.
+	- The CUPS-Add-Printer operation no longer allows
+	  arbitrary scheme names in device URIs to be used - it
+	  now restricts the available schemes to those found in
+	  the device list (lpinfo -m).
+	- The ippRead() and ipp_read_file() functions could not
+	  handle more than IPP_MAX_VALUES (100) values in a
+	  1setOf attribute.  These functions have been updated
+	  to dynamically allocate more memory as needed, and the
+	  IPP_MAX_VALUES constant now represents the allocation
+	  increment.  [this caused some versions of the
+	  GIMP-print drivers to fail since the number of media
+	  options exceeded 100...]
+	- The scheduler could crash when BrowseShortNames
+	  was set to "No".
+	- The scheduler did not prevent MaxClients from being
+	  set to 0, which could cause the scheduler to go in an
+	  infinite loop when accepting a request.
+	- Made some performance optimizations in the ippRead()
+	  functions to make IPP request/response processing
+	  faster.
+	- The accept/reject/enable/disable command did not
+	  support properly support the "-h" or default
+	  server name.
+	- The scheduler did not save the quota configuration
+	  when the job-quota-period attribute was set to 0.
+	- The LPDEST and PRINTER environment variables did not
+	  support printer instances.
+	- The text filter now handles more types of boldface and
+	  underline formatting.
+	- The cupsTempFd() function did not fail if the
+	  temporary directory did not exist; this would cause it
+	  to loop indefinitely instead of returning an error
+	  (-1).
+	- Stopping (disabling) a printer class did not stop jobs
+	  from printing to printers in that class.
+	- The cupsGetDests() function was sending the
+	  requested-attributes attribute as a name instead of a
+	  keyword; this caused a serious performance problem on
+	  slower systems since more information had to be
+	  transferred from server to client.
+	- The web interfaces did not always quote < and & in
+	  things like the job title.  This had the potential for
+	  browser-based security violations (on the browser's
+	  machine); bug report from SuSE.
+	- The scheduler now treats unauthenticated usernames as
+	  case-insensitive when doing quota and allow/deny
+	  processing.
+	- The lp command sent the "request ID is ..." message
+	  to stderr instead of stdout...
+	- The PostScript filter (pstops) now handles EPS files,
+	  adding a showpage command to the files as needed.
+	- The configure script checked for the <stdlib.h> header
+	  file before the JPEG libraries; since the JPEG headers
+	  can define HAVE_STDLIB_H, the configure check would
+	  cause the JPEG check to fail on some systems.
+	- The scheduler now supports localized banner files,
+	  using the subdirectory approach, e.g. the "es"
+	  subdirectory under /usr/share/cups/banners is used for
+	  the Spanish banner files.
+	- Updated the scheduler so it knows the correct
+	  language abbreviation to use for all supported
+	  PPD LanguageVersion values.  The new code also
+	  supports country codes as well, so "English-GB"
+	  maps to the "en_GB" locale.
+	- The cups-lpd mini-daemon did not support
+	  anonymous printing (no username specified).
+	  While the username is REQUIRED by RFC-1179,
+	  MacOS clients do not send the REQUIRED username
+	  information when printing via LPD.
+	- Added many warning and informational messages
+	  to cups-lpd where they were missing.
+	- Added Czech message file contributed by SuSE.
+	- The cups-lpd mini-daemon now returns a non-zero
+	  status if an invalid destination or job ID is
+	  provided.
+	- The scheduler did not honor the KeepAlive setting in
+	  cupsd.conf.
+	- Increased the size of the file read/write buffers to
+	  32k.
+	- *BSD static library creation fixes.
+	- Use mkstemps() instead of tmpnam() in pdftops whenever
+	  possible.
+	- Added httpGetHostByName() function as a wrapper around
+	  gethostbyname() - some implementations of this
+	  function do not support IP addresses (e.g. MacOS X.)
+	- Added casts to all printf's of file lengths, since
+	  there is currently no standard way of formatting long
+	  long values.
+	- The client filename field was not cleared in all
+	  instances, resulting in old form data being submitted
+	  to CGIs.
+	- The httpConnect*() functions now try all available
+	  addresses for a host when connecting for the first
+	  time.
+	- The pstoraster filter would "lose" all drawing
+	  commands when the PageSize was set but the printer
+	  bitmap was  not reallocated.  This was most noticeable
+	  with the output from StarOffice 6 beta and would
+	  result in a blank page being output...
+	- The IPP backend was sending a PAGE comment even when
+	  printing the output from a filter (it should only send
+	  page comments when printing files directly...)
+	- The pdftops filter didn't properly map glyph names of
+	  embedded Asian TrueType fonts.
+	- Changed the CUPS startup script to look for a program
+	  named "cupsd", not just any program with "cupsd" in
+	  the name (this caused the apcupsd UPS monitoring
+	  daemon to be stopped/restarted...)
+	- The CUPS-Move-Job operation did not change the
+	  internal destination name for held jobs, so moved (but
+	  held) jobs would still show up as queued on the
+	  original destination.
+	- The cups-polld program didn't send the
+	  requested-attributes attribute in the
+	  CUPS-Get-Printers and CUPS-Get-Classes requests, which
+	  made it use more CPU and bandwidth than required.
+	- The scheduler and CUPS API incorrectly added a
+	  job-sheets-default attribute for remote printers. This
+	  caused banner pages to be omitted from client system
+	  prints.
+
+
+CHANGES IN CUPS V1.1.10-1
+
+	- Minor fixes to the filter, systemv, and template
+	  makefiles to install files properly.
+
+
+CHANGES IN CUPS V1.1.10
+
+	- Added a driver for DYMO label printers.
+	- Added new ClassifyOverride directive to allow users
+	  to override the classification of individual jobs.
+	- Added new BrowseProtocols directive to control which
+	  browse protocols are used (currently CUPS and SLP).
+	- Added SLPv2 support (thanks to Matt Peterson for
+	  contributing the initial implementation for CUPS.)
+	- Adding a raw printer on a remote CUPS server now
+	  correctly redirects PPD file requests to the remote
+	  server.
+	- The serial backend now limits writes to 1/10th
+	  second worth of data to avoid buffer overflows
+	  with some types of flow control.
+	- The scheduler did not properly process PUT requests,
+	  so configuration files could not be uploaded to the
+	  server.
+	- The scheduler did not strip trailing whitespace on
+	  lines in the configuration files.
+	- The httpWrite() function did not transition the PUT
+	  request to the HTTP_STATUS state to get the status
+	  from the server.
+	- The scheduler did not properly handle trailing null
+	  ("-") filters when testing a driver that sent data
+	  to the file: pseudo-backend.
+	- The IPP backend now only sends a document-format of
+	  "application/vnd.cups-raw" when printing to another
+	  CUPS server using a local printer driver or interface
+	  script.  Previously the job's document format was
+	  used, which was incorrect.
+	- The lpadmin command didn't use the ppd-name attribute
+	  with the -m option; this prevented the use of the
+	  "raw" model from the command-line.
+	- The pstoraster filter output draft (1-bit) 6-color
+	  output in the wrong order; this resulted in yellow
+	  being printed instead of black on Stylus Photo
+	  printers.
+	- The pdftops filter did not have the Japanese and
+	  Chinese text support compiled into it.
+	- The IPP and AppSocket backends did not clear the
+	  "waiting for print job to complete" status message,
+	  which caused some confusion... :)
+	- The serial backend now opens the port in "no delay"
+	  mode to avoid DCD detection problems with some OS's.
+
+
+CHANGES IN CUPS V1.1.9-1
+
+	- The configure script did not substitute the
+	  correct user and group names.
+	- The configure script did not use the full path
+	  to the install-sh script when it was used.
+	- The pstoraster filter did not correctly support
+	  DuplexTumble mode for printers that used flip
+	  duplexing.
+	- The cups.list.in file was missing from the
+	  distribution.
+	- The New DeskJet series driver did not use the
+	  correct OrderDependency for the Duplex option.
+	- Use read() instead of fread() to read piped
+	  print files in lpr/lp.  This avoids a bug in the
+	  HP-UX 10.20 fread() function.
+	- Updated the pstoraster filter to use the MIPS_FIXADE
+	  system call under IRIX to fix bus error problems on
+	  R12000 processors (Ghostscript is not 64-bit clean...)
+	- Some Xerox PPD files (most notably the Phaser 790)
+	  have illegal whitespace in the option keyword in the
+	  OpenUI line.  This caused the PageRegion option to not
+	  be recognized properly for the Phaser 790.
+
+
+CHANGES IN CUPS V1.1.9
+
+	- Revamped the configure script to use a modular
+	  approach for the various tests.
+	- Added --with-openssl-* options to properly reference
+	  the OpenSSL libraries in DSOs.
+	- Added --with-cups-user and --with-cups-group
+	  options to specify the default user and group for
+	  CUPS.
+	- Added AIX shared library support.
+	- Added AIX device discovery for the serial and
+	  parallel ports.
+	- Now use install program or script to install
+	  directories, files, and symlinks.
+	- Updated pstops filter to use strict handling of EPS
+	  files embedded in a PostScript document.  The %%EOF
+	  handling in 1.1.8 caused some dvips files not to
+	  print.
+	- Fixed yet another memory allocation bug in pstoraster
+	  that would cause it to crash.  This fix also ensures
+	  that all memory allocations are done on (at least) a
+	  64-bit boundary.
+	- Fixed Digest authentication - httpGetSubField() didn't
+	  skip the Digest keyword.
+	- The scheduler did not properly handle Digest
+	  authentication with the new multiple-group support.
+	- The scheduler did not allow usernames that were
+	  not in the UNIX password file to be used for Digest
+	  authentication from passwd.md5.
+	- The scheduler could not scan PPD files that only used
+	  a carriage return (i.e. MacOS PPD files); the new code
+	  is also about 40% faster, so servers with thousands of
+	  PPD files should start much faster now.
+	- The scheduler now stores the PPD file size and
+	  modification times in the ppds.dat file, so it can now
+	  incrementally update the PPD database from the model
+	  directory, resulting in significantly faster startup
+	  times.
+	- The lpinfo command did not return a non-zero status
+	  code if an error occurred.
+	- Fixed a bug in the scheduler's UpdateJob() function.
+	  Basically, all jobs shared the same status buffer, and
+	  the "buffer start" pointer could point to 1 byte
+	  before the beginning of the buffer.  The new
+	  implementation uses a separate buffer for each job and
+	  eliminates the buffer start bug.
+	- The IPP backend would send N copies of a document if
+	  the receiving device didn't support the copies
+	  attribute, even if the upstream driver already added
+	  the necessary commands to generate the copies.  This
+	  was most noticeable with HP printers where N * N
+	  copies would come out instead of N.
+	- The PostScript filter (pstops) did not properly handle
+	  duplex printing on inkjet printers that provide this
+	  option.  Copies would be put on the front and back
+	  sides of the duplexed page, and the filter did not
+	  output an even number of pages.
+	- The backends always caught SIGTERM after they
+	  connected to the printer.  This prevented raw jobs
+	  from being cancelled early.
+	- The cupsSetDests() function now removes any printers,
+	  instances, and options that are not defined by the
+	  user or server.  This should prevent old system-wide
+	  options from being used in individual user accounts.
+	- Updated the EPSON printer driver and added PPDs for
+	  the newer EPSON Stylus printers that only support the
+	  "ESC i" graphics command.
+	- The lpadmin command didn't allow you to add remote
+	  printers to a local class.
+	- The lpadmin command didn't allow you to set the
+	  options (quotas, etc.) for a class.
+	- The scheduler did not load or save the
+	  job-sheets-default attribute for classes.
+	- The scheduler did not automatically recreate remote
+	  printers that were part of a class.
+	- It was possible for a printer class to list the same
+	  printer more than once.
+	- The scheduler now makes a backup copy of classes.conf
+	  and printers.conf before writing the new file.
+	- The lppasswd program incorrectly asked for a new
+	  password when deleting an existing MD5 password
+	  account.
+	- The scheduler did not match "/printers/name.ppd"
+	  against a location of "/printers/name".
+	- The client code did not always handle HTTP encryption
+	  upgrades properly.
+	- The client code now caches the last Digest password so
+	  it can retry using a new resource path or nonce value,
+	  which are included in the MD5 sum sent to the server. 
+	  This should eliminate unnecessary password prompts
+	  when using Digest authentication.
+	- The lppasswd command didn't have a man page.
+	- Updated the PJL detection rules to allow the universal
+	  escape to occur anywhere in the first 128 bytes of the
+	  file.
+	- The cups-polld program would poll servers continuously
+	  with no delay if there was an error contacting the
+	  server.
+	- The IPP backend would send an empty job-name or
+	  requesting-user-name attribute if the corresponding
+	  job attribute was an empty string.  While this is
+	  allowed by the IPP specification, some HP JetDirect
+	  implementations return a client-error-bad-request
+	  error if an empty name attribute value is received.
+	  The new code only sends these attributes if they are
+	  not the empty string.
+	- At least some versions of the HP JetDirect firmware
+	  do not correctly implement IPP.  Added additional
+	  checks to the IPP backend to eliminate extra,
+	  unsupported attributes which should normally be
+	  ignored by a compliant IPP device.
+	- The scheduler did not copy the complete list of
+	  supported file types into the
+	  document-format-supported attribute. This caused
+	  clients to not send the local file type (such as
+	  application/vnd.cups-raw for raw print files) and the
+	  corresponding bad output in some cases.
+	- The scheduler did not fully copy attributes from a
+	  set-job-attributes request - string attributes were
+	  only referenced, which could cause cupsd to crash
+	  or behave irratically.
+	- The lp command didn't send the right value for the
+	  job-hold-until attribute when "-H resume" was
+	  specified.
+	- The IPP backend now returns as soon as a job is
+	  completed or reported as "pending-held".
+	- Added new ImplicitAnyClasses and HideImplicitMembers
+	  directives to the cupsd.conf file to make implicit
+	  classes more usable/transparent to the user.
+	- Clients can now (with the appropriate authentication)
+	  retrieve and update the server configuration files
+	  using HTTP GET and PUT requests.
+	- The web interface didn't allow you to modify the
+	  location or description of the printer.
+	- The pdftops filter now uses its own temporary file
+	  function to work with PDF files using LZW compression
+	  (which use the uncompress program or gunzip)
+	- The SystemGroup directive now supports specification of
+	  multiple groups.
+	- Added new Include directive to cupsd.conf, a la
+	  Apache.
+	- Added new pseudo-driver/PPD called "raw" that can be
+	  used to create/convert a raw queue.  This also allows
+	  raw queues to be created in the web interface.
+	- The pdftops filter didn't handle image objects that
+	  used JPEG and Flate compression together.
+	- The pstops filter counted pages wrong when using the
+	  N-up and even/odd printing options.  This prevented
+	  the page-ranges option from working properly.
+	- Added another fix to pstoraster for a bus error
+	  condition caused by a lack of parenthesis in the
+	  Ghostscript code.
+	- Added new "natural-scaling" option which scales the
+	  natural size of the image (percent of natural image
+	  size instead of percent of page size.)
+	- The lppasswd program is now setuid to the CUPS user
+	  instead of root.
+	- The PPD functions did not allow for PPD files that
+	  defined the page sizes and margins before the page
+	  size options.
+	- The mime.types file now checks for the PJL "LANGUAGE =
+	  Postscript" command for PostScript files.
+	- The scheduler did not truncate file: output files.
+	- The PPD file reading code did not handle options with
+	  raw quotes (") in the human-readable names.
+	- The pdftops filter now remaps the space character when
+	  (bad) PDF files contain a .notdef glyph for the space
+	  character.
+
+
+CHANGES IN CUPS V1.1.8
+
+	- Updated configure script to check for /etc/pam.d and
+	  to only set PAMDIR if it exists.
+	- Updated spec file to generate separate cups-pstoraster
+	  package for pstoraster.
+	- The spec file wasn't setting LOGDIR in the install.
+	- The scheduler might restart a stopped printer after
+	  stopping a print job. Thanks to Florent
+	  Guiliani for finding this bug!
+	- The init script showed run level 0 for the Red Hat
+	  chkconfig program.  This is incorrect because Red Hat
+	  doesn't use run level 0 for shutdown scripts.
+	- The IPP backend did not handle the
+	  client-error-not-found error when checking the status
+	  of the job that was sent.  This caused remote queues
+	  to stop on client machines when the server had job
+	  history disabled.
+	- Added httpConnectEncrypt() function to avoid
+	  performance penalty for setting up encrypted
+	  connections initially.
+	- Use httpConnectEncrypt() in all client apps and in the
+	  CUPS API to ensure consistent usage of encryption
+	  throughout.
+	- Jobs weren't queued to remote classes (fix from
+	  Richard Begg.)
+	- AIX changes from Richard Begg.
+	- Fixed the pstops fix for GNOME output - no longer use
+	  the page numbers in the %%Page: comment since GNOME
+	  puts a filename instead (!?@!#?!).  There is still an
+	  issue with N-up printing since GNOME defines its fonts
+	  in the first page instead of the document setup section
+	  (pages must be independent according to the DSC spec)
+	  People with GNOME printing problems should consult bug
+	  #54489...
+	- The imagetops filter produced PAGE: messages when
+	  generating PostScript for a non-PostScript printer
+	  (only affects page-label and Classification
+	   options.)
+	- The updated pdftops filter was looking for an options
+	  file called xpdf.conf instead of pdftops.conf.
+	- The scheduler would not force the default job sheets
+	  for printers to the current classification setting.
+	- Added a new ippFindNextAttribute() function to the
+	  CUPS API.
+	- ppdEmitJCL() now strips any leading path info from
+	  the title string.  This is only an issue for non-CUPS
+	  clients that don't do this already...
+	- Other pstops fixed from Helge Blischke for printing
+	  non-conforming documents.
+	- The MaxJobs parameter was not reset when loading the
+	  cupsd.conf file.
+
+
+CHANGES IN CUPS V1.1.7
+
+	- Configuration script changes, including new
+	  "--with-docdir=/dir" option to relocate CUPS
+	  documentation and web content according to your
+	  favorite version of the FHS.
+	- Documentation updates for encryption, SLP, etc.
+	- New Software Test Plan and automated test script to
+	  test CUPS prior to installation.
+	- All scheduler configuration files are now case
+	  insensitive to match Apache.
+	- Added support for Apache ListenBackLog, LogFormat,
+	  Require, UseCanonicalName, Satisfy, <Limit>,
+	  <LimitExcept>, LimitRequestSize, and Options
+	  directives.
+	- Added support for all Apache log levels...
+	- Added support for "double" HostNameLookups.
+	- Added new "RunAsUser" directive to support non-root
+	  configurations on the standard (priviledged) ports.
+	- Added support for non-root invocation of the lpd
+	  backend (does no reserve a priviledged port, which
+	  might not work with some LPD servers...)
+	- Added new PrintcapFormat directive to control the
+	  output format of the printcap file (BSD or Solaris
+	  formats are supported at present.)
+	- The CUPS directory service routines now handle
+	  ECONNREFUSED errors gracefully rather than shutting
+	  all browsing off.
+	- ippErrorString() now returns the recommended error
+	  messages from the IPP/1.1 Model and Semantics
+	  document.
+	- Fixed a minor IPP compliance issue with responses
+	  to requests without the attributes-charset or
+	  attributes-natural-language attributes.
+	- Sun fix: need httpFlush() call for chunked IPP
+	  requests in cupsDoFileRequest().
+	- httpConnect() now looks up "localhost" by name and
+	  by address (127.0.0.1) for users the go to the
+	  trouble of removing the required localhost entry
+	  in /etc/hosts or on their DNS server...
+	- Added support for Linux 2.4.x devfs parallel port
+	  filenames (/dev/parallel/N).
+	- cupsDo[File]Request() and cupsGetPPD() no longer
+	  block trying to reconnect to a crashed or inaccessable
+	  server.
+	- Added new ppdEmitJCL() function to better handle
+	  PJL commands from PPD files.
+	- A bug in UpdateJob() would cause the scheduler to
+	  consume 100% CPU until another request was submitted.
+	- The cancel command did not support the "-" option to
+	  cancel all jobs on all printers.
+	- The cancel and lprm commands did not support cancelling
+	  the next/current job in the queue.
+	- The pdftops and pstoraster filters were using unsafe
+	  temporary file functions; while this is not a problem
+	  in normal configurations (the CUPS temporary directory
+	  is restricted), they now use the cupsTempFd() function.
+	- The mime.types file was missing the recognition rule
+	  for Sun Raster images.
+	- The admin CGI was passing a printer make string to
+	  ippSetCGIVars() that was being replaced in that
+	  function.
+	- "lpoptions -l" would resave the options...
+	- The EPSON drivers now send the "end packet mode"
+	  command when printing to USB devices.
+	- The scheduler initialized certificates before loading
+	  the cupsd.conf file.
+	- The scheduler used /dev/random to collect random data,
+	  which could block if insufficient entropy information
+	  had been collected by the kernel.  Now use
+	  /dev/urandom.
+	- Fixed a bug in the whitespace skipping code in
+	  httpGetSubField().
+	- The LPD backend now supports a new "order" option:
+	  "lpd://server/queue?order=control,data" (default) and
+	  "lpd://server/queue?order=data,control".
+	- The scheduler enforced a 30 second timeout on all
+	  clients regardless of the Timeout directive and if a
+	  CGI was currently running.
+	- cupsParseOptions() now sets boolean options to
+	  option=true or option=false.
+	- The "percent complete" calculations in the LPD backend
+	  could overflow on large files, causing the percentage
+	  to wrap to 0 every 40MB or so.
+	- Fixed a memory reallocation bug in pstoraster that
+	  could cause it to crash.
+	- The LPD backend now sanitizes the job title to avoid
+	  potential problems on remote LPD servers.
+	- The lp command did not send the requesting-user-name
+	  attribute when altering a job.
+	- The pstops filter did not handle PostScript files with
+	  lines longer than 8191 bytes.
+	- The scheduler no longer uses inet_addr() to convert IP
+	  addresses in dot format (mmm.nnn.ooo.ppp) to the
+	  32-bit format, since it will not work for IPv6
+	  addresses.
+	- New "Classification" directive to force labeling of
+	  the current classification on each page.
+	- New "page-label" attribute to add per-page labels
+	  ("For Official Use Only", "Draft", etc.)
+	- The scheduler now sets the HTTPS environment variable
+	  for CGI programs when a client connects using
+	  encryption.
+	- Fixed a recursion bug in the scheduler that could
+	  cause cupsd to crash when a printer was removed.
+	- The LPDEST and PRINTER environment variables didn't
+	  support instances.
+	- Dropped the "file" backend from the device list that
+	  is reported, since it is only available for *testing*
+	  and should never be used in a production environment.
+	  The file: device can still be used, but it won't show
+	  up in the list of devices from lpinfo or the web
+	  interface.
+	- Added support for /dev/lpa# parallel ports under *BSD.
+	- Added META variables to the CGI header template to
+	  prevent caching of the results.
+	- Fixed an unaligned memory buffer for the pstoraster
+	  clist states; this caused bus errors for some
+	  combinations of printers, drivers, and options.
+	- Re-added black reduction for colorful colors; this
+	  helps to prevent dark colors from getting desaturated.
+	  (only used when converting RGB to CMYK)
+	- Added two new directives - MaxJobsPerPrinter and
+	  MaxJobsPerUser - to allow an administrator to set
+	  the maximum number of pending jobs in a queue or
+	  submitted by a user.
+	- The scheduler no longer stops a printer if it can't
+	  create the status pipe or run the filters or backend.
+	  This will allow heavily loaded servers to service
+	  clients or start print jobs as the load allows.
+	- Fixed a bug in the Set-Job-Attributes code that could
+	  crash the scheduler (patch from Martin Zielinski)
+	- cupsSetDests() did not quote option values with
+	  embedded spaces.
+	- Added support for the Enable-Printer and
+	  Disable-Printer extension operations (same as
+	  CUPS-Accept-Jobs and CUPS-Reject-Jobs.)
+	- The AppSocket and IPP backends now wait for the print
+	  job to be finished before exiting; this should prevent
+	  the loss of print jobs with older JetDirect firmware
+	  and make consecutive print jobs print faster.
+	- The BMP loading code did not handle resolution values
+	  of 0.  This is a problem with BMP image files produced
+	  by the GIMP.
+	- The HTTP Upgrade code (upgrade to TLS encryption)
+	  bypassed the authentication checks.
+	- The HTTP Upgrade code did not send a 426 status code
+	  to the client and end the current request. This caused
+	  a race condition between the client and server for the
+	  upgrade to TLS.
+	- Fixed a bug in the EOF and Trailer detection code in
+	  the pstops filter.
+	- The imagetoraster filter did not add the margins to
+	  the custom page size in the raster header.
+	- The imagetops filter did not adjust the custom page
+	  size to the size of the printed image.
+	- The imagetops filter did not include DSC comments
+	  which are required by some printers.
+	- The imagetops filter did not insert newlines in
+	  Base85 encoded output, causing files to contain
+	  lines longer than 255 characters (violation of the
+	  DSC).
+	- Added support for the DeskJet 900 series duplexer
+	  and CRET color modes in the HP driver.
+	- Added support for PPD-defined margins in the HP
+	  driver.
+	- Fixed the debugging output from pstoraster - the
+	  font list was not terminated by a newline.
+	- Some versions of the HP-UX pam_unix authentication
+	  module apparently do not pass the appdata_ptr argument
+	  to the conversation function, preventing the scheduler
+	  from authenticating users using PAM under HP-UX.  A
+	  workaround using a static variable has been added to
+	  address this problem.
+	- Fixed a bug in the scheduler SortPrinters() function
+	  that could cause printers to disappear or the
+	  scheduler to crash when adding a printer.
+	- Changed the pstops filter to not do per-page filtering
+	  if the file does not conform to at least version 3.0
+	  of the document structuring conventions.  This seems
+	  to "fix" printing with broken apps.
+	- The image filters did not handle older TIFF files that
+	  lacked the samples-per-pixel and bits-per-pixel tags.
+	- Added new cupsGetJobs() and cupsFreeJobs() functions
+	  to manage print jobs.
+	- cupsEncodeOptions() would encode names of 0 length and
+	  cupsAddOption() and cupsParseOptions() would add names
+	  of 0 length.
+	- The scheduler might block waiting for status messages
+	  after starting a new print job. Thanks to Florent
+	  Guiliani for finding this bug!
+
+
+CHANGES IN CUPS V1.1.6-3
+
+	- The configure script put the JPEG library before the
+	  TIFF library; this caused problems in some
+	  configurations since the TIFF library also supports
+	  JPEG compression of TIFF images.
+	- Updated the configure script and makefiles to handle
+	  admin man pages with the "1m" extension (HP-UX, IRIX,
+	  Solaris, Tru64) and in odd directories (IRIX)
+	- The updated cupsTempFile() function did not return
+	  the filename when called with a filename buffer of
+	  NULL (previously it used a static buffer.)
+	- FreeBSD uses /dev/unlptN, but NetBSD and OpenBSD use
+	  /dev/ulptN.
+	- DeletePrinter() didn't remove the printer from any
+	  classes it was a member of.
+	- DeletePrinterFromClass() didn't preserve the
+	  implicit status of a class.
+	- DeletePrinterFromClasses() didn't remove printers
+	  from implicit classes.
+	- StartJob() didn't send the job-sheets, job-priority,
+	  and job-hold-until attributes to remote printers.
+	- LoadAllJobs() was looking for job-sheets-completed
+	  instead of job-media-sheets-completed.  This would
+	  prevent accumulation of page data after a restart
+	  of the scheduler.
+	- The pstops and imagetops filters now generate copies
+	  using the appropriate method for a Level 1, 2, or 3
+	  printer since some Level 2/3 printers don't support
+	  the /#copies variable anymore.
+	- The man page for cups-lpd did not mention the "-o"
+	  option.
+	- The IPP backend didn't handle version-not-supported
+	  errors and revert to IPP/1.0 (previously it only checked
+	  for a bad-request error)
+	- Caldera fix: lpc now reports unimplemented commands as
+	  unimplemented, not invalid.
+	- Caldera fix: lpq didn't recognize BSD lpq "-a" option.
+	- Caldera fix: lpr didn't recognize BSD lpr "-1", "-2",
+	  "-3", "-4", "-q", or "-U" options.
+	- RedHat fixes: patches to GNU Ghostscript
+	- SuSE fix: temp file creation patch to GNU Ghostscript
+	  (pstoraster).
+	- SuSE fix: remove cgi-bin/abort.c and cgi-bin/email.c,
+	  which are not used.
+	- SuSE fix: missing NULL check in cgi_initialize_post().
+	- SuSE fix: potential buffer overflows in
+	  cgi_initialize_string().
+	- SuSE fix: potential buffer overflows in
+	  ippSetCGIVars()
+	- SuSE fix: more NULL checks in ppdOpen(); also make
+	  sure that all memory is freed on error to avoid memory
+	  leaks.
+	- SuSE fix: Exit from child if setgid() or setuid()
+	  fails.
+	- SuSE fix: Added setgroups() calls after setgid() and
+	  setuid() calls.
+	- SuSE fix: potential buffer overflows in httpEncode64()
+	  calls.
+	- SuSE fix: potential buffer overflows in httpSeparate()
+	- SuSE fix: potential buffer overflows in ippWrite() for
+	  bad input.
+	- SuSE fix: potential nul skip in ppd_decode() for
+	  missing hex digits.
+
+
+CHANGES IN CUPS V1.1.6-2
+
+	- Added changes to support NetBSD startup scripts.
+	- Added separate compiler options for pstoraster
+	  (Ghostscript) to avoid compiler-induced errors
+	  from Ghostscript's twisted code.
+	- The mime.types file contained syntax errors.
+	- Updated the *BSD USB device filenames to use
+	  the /dev/unlptN files so that the USB device
+	  is not reset prior to printing (causes print
+	  corruption on many printers)
+	- Added new cupsTempFd() function to avoid serious
+	  security bug in glibc fopen() function.  The glibc
+	  fopen() function unlinks a file before creating it,
+	  which opens up possible symlink attacks.
+	- Now reject 0-length names in add-printer and add-class
+	  requests.
+	- Fix for pstoraster when ZLIB is not available.
+	- cupsGetPPD() didn't reconnect when a HTTP connection
+	  was lost.
+	- SuSE fix: httpConnect() didn't check that the
+	  value from gethostbyname() was a valid IPv4 address.
+	- SuSE fix: httpConnect() didn't allow file descriptor 0
+	  to be used for a socket.
+	- SuSE fix: ippRead() didn't confirm that all values in
+	  a set were numeric or string types.
+	- SuSE fix: lppasswd race condition fixes.
+	- SuSE fix: directive names could overflow buffer when
+	  reading *.conf files.
+	- SuSE fix: HEAD requests for PPD files did not use the
+	  same logic as GET requests.
+	- SuSE fix: possible buffer overflow when adding
+	  /index.html to requested directory name.
+	- SuSE fix: possible buffer overflow when converting
+	  IPP attributes to string options for filters.
+	- SuSE fix: creating file: device output with mode 0666
+	  instead of mode 0600.
+	- SuSE fix: creating job info files with mode 0640
+	  instead of 0600.
+	- SuSE fix: don't rely on snprintf() for including
+	  system name in log filenames.
+	- SuSE fix: add bounds checking when copying quoted
+	  and hex strings.
+
+
+CHANGES IN CUPS V1.1.6-1
+
+	- Added configure check for getting the correct
+	  strftime() format string; %c is not Y2k safe,
+	  and %KC and NULL are not universally supported.
+
+
+CHANGES IN CUPS V1.1.6
+
+	- Fixed another possible DoS attack in httpGets()
+	- Added check for "LANGUAGE = PCL" and "LANGUAGE =
+	  POSTSCRIPT" in mime.types.
+	- Resolution options were not being passed into the
+	  filter programs properly.
+	- The default compiler options for GCC no longer include
+	  "-g3", which apparently is deprecated in newer
+	  versions of GCC.
+	- CheckJobs() could cause cupsd to crash if a job is
+	  cancelled in StartJob().
+	- The printers.conf and classes.conf files are now
+	  written with restricted permissions.
+	- The round-robin algorithm used by FindAvailablePrinter()
+	  had problems; fixes contributed by Joel Fredrikson.
+	- If LoadAllJobs() is unable to determine the file type
+	  of a print job, assume "application/vnd.cups-raw".
+	- The web interface now provides a job_printer_name
+	  value for any corresponding job_printer_uri value.
+	- The cups-lpd mini-daemon now logs the client address
+	  and hostname as well as all commands and errors in the
+	  syslog file.
+	- The IPP backend now detects the supported file formats
+	  and only specifies the document format if it is
+	  supported.  This makes IPP printing to network print
+	  servers and cards more reliable without affecting the
+	  capabilities of CUPS servers.
+	- The time_at_xyz attributes are now converted to human-
+	  readable dates and times for the web interfaces.
+	- The HP and EPSON sample drivers now correctly catch
+	  signals and eject the current page when a job is
+	  cancelled.
+	- Fixed bug in CGI code - did not ignore control
+	  characters (e.g. newlines) in form data.  This caused
+	  sporatic web interface problems.
+	- The file type logging code in the scheduler referenced
+	  the optional document-format attribute; the new code
+	  uses the resolved MIME type instead.
+	- The client.conf parsing code now removes trailing
+	  whitespace.
+	- The MaxJobs directive was being treated as a boolean
+	  instead of an integer.
+	- The scheduler would not timeout remote printers if
+	  BrowseInterval was set to 0.
+	- The lpadmin command now supports setting of options
+	  and user-level access control.
+	- Added "-E" option to all printing commands to force
+	  encryption.
+	- The client code did not consume the response to the
+	  OPTIONS request when switching to secure mode.
+	- The scheduler did not output a Content-Length field
+	  when responding to an OPTIONS request.
+	- Added documentation on using cups-lpd with xinetd
+	  to the man page.
+	- The socket backend now starts retries at 5 seconds and
+	  increases the interval to 30 seconds.  This should
+	  provide faster printing when multiple jobs/files are
+	  queued for a printer.
+	- The filters and backends no longer buffer output to
+	  stderr.  This should provide much more accurate status
+	  reporting.
+
+
+CHANGES IN CUPS V1.1.5-2
+
+	- Fixed configure check for OpenSSL to work with RSA
+	  code.
+	- Added configure check for <sys/ioctl.h>, and use this
+	  check in backend/serial.c.
+	- Updated configure script handling of data,
+	  configuration, and state directories to use datadir,
+	  sysconfdir, and localstatedir variables.
+	- NetBSD uses different serial port filenames than
+	  FreeBSD and OpenBSD.
+	- The pdftops filter didn't need some X-specific files.
+	- The scheduler makefile doesn't do a chown anymore when
+	  installing (cupsd did this automatically on startup
+	  anyways)
+
+
+CHANGES IN CUPS V1.1.5-1
+
+	- There was a typo in the top-level Makefile
+	- The top-level Makefile did not install an init script
+	  for run level 5. 
+	- The configure script did not add the "crypto" library
+	  when checking for the OpenSSL library. 
+	- The OKIDATA PPD files were missing. 
+	- The config.h.in file defined the wrong version number. 
+	- The serial backend did not define "funky_hex" under *BSD. 
+	- Updated the Visual C++ project files and some of the
+	  CUPS API sources to compile under Windows again. 
+
+
+CHANGES IN CUPS V1.1.5
+
+	- Security updates - new default configuration does
+	  not broadcast printer information and only allows
+	  access from the local system.
+	- EXPERIMENTAL encryption support - CUPS now optionally
+	  supports TLS/SSL encryption via the OpenSSL library.
+	- Documentation updates.
+	- Makefile/configure script updates.
+	- The RPM spec file didn't work out-of-the-box under
+	  RedHat or Mandrake.
+	- Minor code cleanup to remove extraneous compiler
+	  warnings.
+	- cupsTempFile() was using %p for the temporary
+	  filename; this should have been %08x (just 8 digit
+	  hex)
+	- Deleting a printer with active print jobs would still
+	  crash the server.
+	- ippWrite() and ipp_write_file() didn't send the
+	  correct value length for name-with-language and
+	  text-with-language attributes.
+	- Updated IPP code to support copied strings (that
+	  should not be freed); this provides slightly more
+	  efficient IPP server performance.
+	- Updated PDF filter to Xpdf 0.91.
+	- httpGets() could go into an infinite loop if a line
+	  longer than the input buffer size was sent by a
+	  client. This could be used in a Denial-of-Service
+	  attack.
+	- The lpstat and CUPS API functions now request only the
+	  data required when getting the list of printer or
+	  class information.  This should improve performance
+	  with large numbers of printers on slower machines.
+	- The scheduler was always enforcing the FilterLimit,
+	  even if FilterLimit was set to 0.
+	- Updated the Linux USB backend to support Mandrake's
+	  /dev/usb/usblp# filenames.
+	- The PRINTER and LPDEST environment variables did not
+	  override the lpoptions default printer.
+	- The PPD read functions incorrectly included trailing
+	  characters (usually whitespace) after quoted string
+	  attributes.
+	- The multiple-document-handling attribute handling code
+	  did not check for the correct value for collated
+	  copies (separate-documents-uncollated-copies).
+	- The EPSON driver did not work with OKIDATA printers in
+	  EPSON emulation mode (needed change-emulation command)
+	- The HP-GL/2 filter did not scale the plot properly in
+	  scale mode 2.
+	- Added PPD files for 9-pin and 24-pin OKIDATA printers.
+	- The httpSeparate() function didn't handle passwords
+	  that started with a number.
+	- ippDelete() could free the character set string
+	  multiple times in name-with-language and
+	  text-with-language attributes.
+	- The scheduler would access freed memory right after
+	  freeing it (for debug messages); these parts of the
+	  code have been reordered to avoid this situation
+	  which was causing sporatic errors and crashes.
+	- The ppdClose() function didn't free all of the strings
+	  in the ppd_file_t structure.
+	- The LoadAllJobs() function in the scheduler did not
+	  close the spool directory.
+	- Changed all sprintf's that use string formats to
+	  snprintf's, even if the destination buffer is
+	  larger than the source string(s); this protects
+	  against buffer overflows caused outside of CUPS...
+	- Changed all strcpy's to strncpy's between local and
+	  global variables, even if the destination buffer is
+	  larger than the source string; this protects
+	  against buffer overflows caused outside of CUPS...
+	- The CUPS certificate functions didn't use the
+	  CUPS_SERVERROOT environment variable when set.
+	- The directory services code was copying instead of
+	  comparing the remote printer info, resulting in
+	  unnecessary updates of the printer attributes for
+	  remote printers.
+	- Added new mime.types rules to allow automatic raw
+	  printing of PCL and ESC/P files; PJL headers are
+	  parsed to differentiate between PostScript and
+	  PCL job files.  This should eliminate a lot of
+	  the reports of SAMBA printing problems due to
+	  the missing "-oraw" or "-l" options.
+	- The mimeLoadType() function didn't handle the
+          3-argument contains() function.
+	- The LoadPPDs() function in the scheduler didn't
+	  properly set the alloc_ppds variable or handle a PPD
+	  database containing 0 printers.
+	- The scheduler FindAvailablePrinter() function didn't
+	  use the same queuing logic as the CheckJobs()
+	  function.  This caused classes to stall if a remote
+	  printer was always busy.
+	- Jobs are now assigned to printers in a class
+	  round-robin style.  This should prevent the first
+	  server in the class from bearing the brunt of the
+	  jobs.
+	- The scheduler's LoadAllJobs() function didn't always
+	  restore remote printers for queued jobs on startup.
+	- The serial backend didn't support the higher baud
+	  rates with the old termios interface. It now supports
+	  57600 and 115200 baud.
+	- The serial backend now supports different types of
+	  flow control; previously it ignored the flow=XYZ
+	  option in the device URI.
+	- The serial backend now supports DTR/DSR flow control,
+	  which is popular on dot-matrix printers (access with
+	  "flow=dtrdsr" in the device URI)
+	- Added new job-originating-host-name attribute for
+	  jobs.  The new attribute provides the hostname or
+	  IP address of the machine that submitted the job.
+	- The set-job-attributes code no longer allows read-only
+	  job attributes to be changed.
+	- Expanded the click area for the navigation bar in the
+	  web interface.
+	- Updated the lp and cancel commands to support all of
+	  the Solaris print options (some are simply ignored
+	  since they do not map)
+	- Updated the scheduler to limit the number of file
+	  descriptors to the maximum select() set size.  This
+          was causing problems on Solaris systems where the
+          max FD count was increased beyond 1024.
+	- The scheduler's LoadDevices() function was getting
+	  interrupted by the SIGCHLD signal handler; now ignore
+	  child signals while loading devices.
+	- Added quota and allow/deny user support for printers
+	  and classes.
+	- Removed black/CMY adjustment code from the PS and
+	  image file RIPs; it was interfering with some CUPS
+	  driver dithering code.
+	- The lpc program stopped listing the queue statuses
+	  after the first active printer.
+	- The cups-lpd program used an output format that the
+	  Solaris printing system did not understand.
+        - Updated the lpq program to use the Solaris format
+	  except under Tru64 UNIX.
+	- Some DEC PPD files incorrectly use "Off" for the null
+	  value in UI constraints. Added "Off" to the list of
+	  accepted null values.
+	- Changed the *BSD define constants to __*BSD__ in all
+	  of the backends.
+	- Added support for "lpstat printername", which is an
+	  undocumented feature in Solaris.
+	- The HP-GL/2 filter now only sets the plot size if it
+	  is set in the plot file.
+	- The lpmove command wasn't sending the requesting
+	  user name, causing it to always fail.
+	- Updated the cupsTempFile() code to use GetTempPath()
+	  under Windows.
+	- The cups-lpd mini-daemon didn't limit the number of
+	  data files accepted, didn't use cupsTempFile(),
+	  didn't handle control file job information in any
+	  order, and didn't free job options after printing
+	  a file.
+	- The scheduler copy_banner() function did not
+	  explicitly set the owner and permissions of the banner
+	  files, which could prevent the banner pages from
+	  printing on some systems.
+	- The lpstat program wasn't listing remote classes.
+	- The scheduler did not verify that the printer-uri
+	  attribute was specified in all requests that required
+	  it.
+
+
+CHANGES IN CUPS v1.1.4
+
+	- Makefile and configure script fixes.
+	- **** Changed the default Printcap setting **** to
+	  /etc/printcap. There are just too many people asking
+	  why application XYZ doesn't see their printers!
+	- The web admin interface now displays an error if it
+	  can't get the list of printer drivers from cupsd.
+	- The IPP backend was putting the copies option before
+	  the other job options were set. This caused the IPP
+	  request to contain attribute groups in the wrong
+	  order, which prevented remote printing.
+	- Added checks in scheduler to free memory used for
+	  IPP requests and language information when closing
+	  a client connection.
+	- Fixed the duplex option in the HP LaserJet driver.  It
+	  should now work with all LaserJet printers (and
+	  compatibles)
+	- The add-printer web interface didn't initialize the
+	  "old info" data pointer, which caused random crashes
+	  on many OS's.
+	- Fixed many page sizes defined in the Level 1
+	  compatibility file "gs_statd.ps" to match reality.
+	- Fixed another bug in the setpagedevice "code" in
+	  Ghostscript.  It should now accept all standard
+	  Adobe attributes on all platforms.
+	- Fixed pstoraster so that it reallocates memory for
+	  color depth changes as well as size/resolution
+	  changes.  This removes an ordering constraint on
+	  the color, page size, and resolution options in
+	  PPD files.
+	- The IPP backend didn't use the job's character set
+	  when the destination printer supported it.  This
+	  caused problems when printing text files to other
+	  CUPS servers.
+	- Updated the logic used to determine when to rebuild
+	  the PPD file database.  The scheduler now checks the
+	  dates and the number of PPD files (was just checking
+	  the dates.)
+	- Updated the ippSetCGIVars() function (used by the
+	  web interfaces) to only filter valid string values.
+	- The PostScript filter was scaling 2-up pages
+	  incorrectly.  This caused the edges of some pages to
+	  be clipped.
+
+
+CHANGES IN CUPS v1.1.3
+
+	- Makefile fixes.
+	- RPM spec file changes.
+	- Documentation updates.
+	- Enabled pstoraster debug messages for everything
+	  (only logged when LogLevel set to "debug"...)
+	- Changed the Input/OutputAttributes fix in
+	  pstoraster so that it works on all platforms.
+	- The HP-GL/2 filter didn't set the right green
+	  color value in encoded polylines or text.
+	- Updated the "fitplot" code to handle plot sizes
+	  specified as "PSwidth,length" and "PSlength,width".
+	- Updated the Linux parallel and USB backends to open
+	  the device files prior to looking in /proc for
+	  autoprobe info. This makes sure that loadable device
+	  driver modules are in fact loaded...
+	- Added new FilterLimit directive to limit the number
+	  of processing jobs/filters on a system.
+	- set-job-attributes didn't change the job-state to
+	  held/pending when the job-hold-until attribute was
+	  specified.
+	- set-job-attributes didn't save the new job attributes.
+	- Now change the "requesting-user-name" attribute in
+	  requests from remote systems to "remroot" when an
+	  unauthenticated "root" user is sent. This can be
+	  changed using the new RemoteRoot directive in
+	  cupsd.conf.
+	- The cancel-job, hold-job, release-job, and restart-job
+	  operations didn't log the authenticated username.
+	- The cups-lpd mini-daemon now checks for a
+	  document-format option before forcing raw mode with
+	  filter mode 'l'.
+	- The cups-lpd mini-daemon now supports "-o" options
+	  on the command-line (passed by inetd) to set global
+	  defaults for all print queues.
+	- The pstops filter assumed that a file with a Trailer
+	  comment would also have an EOF comment.
+	- Added new cupsSetPasswordCB(), cupsSetServer(),
+	  cupsSetUser(), and ippSetPort() functions to better
+	  support client applications (especially GUIs...)
+	- The CUPS-add-class and CUPS-add-printer operations
+	  didn't reset the printer-name attribute on remote
+	  print queues that had to be renamed when a local
+	  printer was defined with the same name.
+	- The lpoptions command now supports a "-r" option to
+	  remove options for a printer or instance.
+	- The lpadmin and admin.cgi programs no longer allow
+	  class and printer names to begin with a number; this
+	  caused the command-line utilities to become confused.
+	- The Linux USB backend now looks for both the parallel
+	  and usblp driver names in the device list.
+	- Added a new FontPath directive to cupsd.conf, and also
+	  a "--with-fontpath" option for the configure script to
+	  specify alternate font paths for pstoraster.
+	- The CUPS-move-job operation didn't update the
+	  job-printer-uri attribute.
+	- The scheduler only looked up printers and classes by
+	  name in IPP requests, instead of using the full URI.
+	  This caused problems with KUPS and friends with
+	  remote printers.
+	- The scheduler now handles better localization of
+	  hostnames (e.g. server is host.foo.com, remote is
+	  host.subfoo.foo.com, localized is not host.subfoo...)
+	- The scheduler logging functions now use a common
+	  log file checking/rotation function (courtesy of
+	  Crutcher Dunnavant at Red Hat)
+	- The scheduler could accept more client connections
+	  than it allocated for if more than one Port or Listen
+	  line was present in cupsd.conf.
+	- Other minor scheduler performance tweeks.
+	- The lpq and lprm commands didn't support the default
+	  printer set using lpoptions.
+	- The lpoptions command now supports a "-l" option to
+	  list the printer-specific options and their current
+	  settings.
+	- The web printer and class lists now show a link to the
+	  default printer or class at the top of the page.
+	- The text filter now supports pretty printing of shell
+	  and perl scripts as well as C/C++ source files.
+	- The top and bottom margins were reversed for landscape
+	  text printing.
+	- The lpq and lprm commands didn't understand printer
+	  instances.
+	- The scheduler only selected on the first 100 file
+	  descriptors instead of the maximum file descriptor
+	  limit.
+	- The scheduler client, listener, and mainline functions
+	  now share code to disable and enable monitoring for
+	  new client connections.
+	- The imagetoraster filter didn't support all of the
+	  required pagedevice parameters.
+	- The serial backend now checks for 100 serial ports
+	  under Linux.
+	- The scheduler used sscanf() to pull out the remote
+	  printer location, description, and make/model strings,
+	  but if any of these options was empty then sscanf()
+	  would stop processing.
+	- Added "debug2" log level to provide a little less
+	  verbose debugging information at the "debug" level.
+	- The scheduler would crash if you stopped a printer
+	  that was currently printing a job.
+	- The scheduler incorrectly allowed jobs in the cancelled,
+	  aborted, or completed state to be cancelled.
+	- The image filters did not load TIFF images properly
+	  for bottom-to-top and right-to-left orientations.
+	- Added new cupsEncodeOptions() function to encode
+	  CUPS options as IPP job attributes.
+	- The IPP backend, LPD mini-daemon, client commands,
+	  and CUPS API did not properly encode multiple
+	  option values separated by commas.
+	- Added new scheduler malloc logging in debug mode
+	  (provides summary of total arena size, allocated,
+	   and free bytes once a minute)
+	- The EPM-based distributions didn't install the
+	  correct symlinks for a few man pages.
+	- Fixed a memory leak in the scheduler - wasn't
+	  freeing old filters when deleting or renaming
+	  printers.
+	- The scheduler now queries the primary IP address
+	  for the name of the server and maps any incoming
+	  requests from that address to the server name.
+	  This fixes web admin mapping problems from
+	  server.domain.com to localhost.
+	- The web printer modify interface now remembers
+	  the previous device and driver settings (except
+	  for serial ports.)
+	- The job-k-octets attribute is now stored as part of
+	  the job attributes; this preserves the information
+	  after a job is completed when job file history is
+	  turned off.
+	- Dropped option sub-group parsing code for the moment,
+	  since many Xerox PPD files abuse this feature in PPD
+	  files and don't follow the hierarchy rules.
+	- Added new wrapper code around options so that duplex
+	  options for some HP printers don't prevent prints.
+	- Added support for Digital UNIX/Tru64 UNIX/OSF/1 format
+	  for "lpstat -v" output.
+	- Now show the URI for remote printers instead of
+	  /dev/null in "lpstat -v" output.
+	- Creating classes and adding printers to a class with
+	  the lpadmin command didn't work.
+	- The banner pages and test page should now format
+	  correctly in both portrait and landscape orientations.
+	- Updated banner page substitution so that { can appear
+	  by itself without quoting.
+
+
+CHANGES IN CUPS v1.1.2
+
+	- Makefile/configure fixes
+	- RPM spec file and EPM list file fixes
+	- The cupsTempFile() function now uses a different
+	  algorithm for generating temp files and "reserves"
+	  them to avoid possible security exploitation.
+	- Now use /dev/random (if available) to seed the random
+	  number generator for certificates.
+	- The /var/spool/cups and /var/spool/cups/tmp directories
+	  were incorrectly owned by root; they are now owned by
+	  the filter user, typically "lp".
+	- The scheduler now resets the permissions on the spool
+	  and temp directories as needed to match the filter
+	  user.
+	- Now expose ppdCollect() as an externally callable
+	  function.
+	- The image filters now support filtering from the
+	  standard input.
+	- The imagetoraster filter now collects all printer
+	  options and job patch files and applies them to the
+	  page header as needed.
+	- Added format and banner options to LPD backend.
+	- The send-document operation didn't start a job
+	  immediately when last-document was true.
+	- The set-job-attributes operation didn't correctly
+	  replace the current job-hold-until value.
+	- Removed the option wrapper code from ppdEmit() and
+	  friends since it caused problems with Ghostscript
+	  and many PS printers.
+	- Was setting TZ environment variable twice for job
+	  filters.
+	- Added syslog logging in cups-lpd to aide in
+	  debugging problems.
+	- The HP-UX parallel port backend did not list the
+	  available parallel ports on some systems (printf
+	  calling problem...)
+	- The lp and lpr commands overrode user options if
+	  -d/-P were specified after -o.
+	- The scheduler would crash with a */* filter.
+	- Added support for a "default" filter for unknown file
+	  types.  The example provided in the mime.types and
+	  mime.convs file prints unknown files as if "-oraw" was
+	  specified for the job.  This functionality is disabled
+	  by default.
+	- The "compatibility" mode fix for older backends did not
+	  work for smbspool.  Added a workaround for it.
+	- The HP-GL/2 filter didn't perform the right pen scaling
+	  with some files and the "fitplot" option.
+	- New Software Performance Specification document that
+	  describes the memory, disk, and CPU usage of all the
+	  CUPS software.
+
+
+CHANGES IN CUPS v1.1.1
+
+	- The pstoraster Makefile still referenced one of the
+	  old PDF filter files.
+	- The filter Makefile used INSTALL_DATA instead of
+	  INSTALL_LIB to install the CUPS image library.
+	- The administration CGI didn't work properly with
+	  network devices.
+	- The BrowseACL variable was not updated after the
+	  cupsd.conf file was loaded.
+	- The lpd mini-daemon didn't support printer instances.
+	- Now use a default umask of 077 for child processes.
+	- Now put temp files in /var/spool/cups/tmp for child
+	  processes and the root user, unless TMPDIR or TempDir
+	  is defined otherwise.
+	- cupsGetPPD() no longer uses easy-to-guess filenames.
+	- The CUPS-Delete-Class and CUPS-Delete-Printer
+	  operations now save classes.conf file as needed.
+	- The lppasswd command wouldn't add a user.
+	- The ppdOpen() function could cause a segfault if a
+	  0-length PPD file was read.
+	- The image filters were not handling images with
+	  different X and Y resolutions properly.
+	- The imagetoraster filter defaulted to RGB output
+	  instead of black output like pstoraster.
+	- The pstops filter didn't handle binary data properly.
+	- The pstops filter didn't handle copies properly for
+	  PS files lacking DSC comments.
+	- The pstops filter now appends %%EOF to the end of
+	  documents if they don't have it.
+	- The cupsGetPPD() function didn't work with remote
+	  printers lacking the @server in the name.
+	- The configure script didn't work right when only
+	  --prefix was specified.
+	- The ppdEmit() code now wraps all printer commands so
+	  that buggy PostScript printers will still print a file
+	  after receiving an option that isn't available.
+	- Fixed the DeskJet margin bug, and disabled 600dpi
+	  color mode until it can be fixed.
+	- The cupsAddDest() function didn't sort instances
+	  correctly in all cases.
+	- The time-at-xyz attributes now expand to the date and
+	  time in banner files.
+
+
+CHANGES IN CUPS v1.1
+
+	- Documentation updates.
+	- Configuration script updates.
+	- Didn't map charset and language value strings to lowercase
+	  and _ to - as required by SLP and IPP.
+	- ppdLoadXYZ() didn't add the list of available fonts to the
+	  ppd_file_t structure.
+	- The text filter common code was freeing the PPD file data
+	  before it was used.
+	- The text filter now embeds missing fonts.
+	- The CGI interface now maps local access to the server to
+	  the localhost address.
+	- The HP-GL/2 filter didn't use the specified (or default)
+	  color ranges, resulting in strange colors.
+	- The HP-GL/2 filter didn't default to no input window, which
+	  caused unnecessary clipping of plots.
+	- Integrated Xpdf's pdftops filter into CUPS, which is a
+	  lightweight and reliable replacement for Ghostscript's
+	  PDF support.
+	- Removed all PDF support from Ghostscript.
+	- Updated HP driver to set top margin; this seems to fix
+	  the offset problem seen on HP DeskJet printers.
+	- Fixed dependencies on the ZLIB and JPEG libraries in
+	  pstoraster.
+	- The lpr command wasn't using the lpoptions defined by
+	  the user.
+	- The lpr command would segfault if the CUPS server was
+	  not running.
+	- The top-level makefile was not installing the CUPS
+	  initialization script.  It now does so if it sees there
+	  is an init.d directory in /sbin, /etc/rc.d, or /etc.
+	- "lpstat -v all" didn't work.
+	- pstoraster would crash on some platforms doing the
+	  setpagedevice operator.
+	- The web administration interface now allows you to set
+	  the default banner pages.
+	- Images can now be positioned on the page using the new
+	  "position" option.
+	- The AccessLog, ErrorLog, and PageLog directives now
+	  support "%s" to insert the server name.
+	- Added a new BrowseShortNames directive to allow for
+	  short remote printer names ("printer" instead of
+	  "printer@server") when possible.
+	- The scheduler could crash if given an invalid PPD file
+	  with no PageSize attributes.
+	- Updated the serial, parallel, and usb backends to do
+	  multiple writes and ignore ioctl() errors as needed;
+	  this should fix problems with serial printing on old
+	  serial drivers and with the UltraSPARC parallel port
+	  driver under Solaris 2.7.
+	- Now propagate LD_LIBRARY_PATH to child processes from
+	  cupsd.
+	- New DataDir directive for installing in alternate
+	  locations.
+	- New CUPS_SERVERROOT and CUPS_DATADIR environment
+	  variables to specify installation directories as
+	  needed.
+	- Queued remote jobs recreate remote printers as needed
+	  when the scheduler is started.
+	- Deleting a printer also purges all jobs on that
+	  printer.
+	- Old job and control files that don't belong to a
+	  printer are automatically deleted.
+	- Wasn't updating time-at-processing and
+	  time-at-completed attributes in job.
+	- Didn't send required multiple-operation-time-out
+	  attribute in response to a get-printer-attributes
+	  request.
+	- cups-lpd now supports options set with lpoptions.
+	- The job-hold-until attribute is now provided with all
+	  jobs. For jobs that are not currently held the value
+	  is "no-hold".
+	- The scheduler was not sending "unknown" values in IPP
+	  responses.
+	- The lpoptions command now accumulates options from
+	  previous runs rather than replacing all options for a
+	  printer.
+	- The IPP backend now switches to IPP/1.0 if a 1.1
+	  request fails.
+	- The lpadmin and admin.cgi programs now validate new
+	  printer and class names.
+	- The access_log file now includes the number of IPP bytes
+	  received in a POST request.
+
+
+CHANGES IN CUPS v1.1b5
+
+	- Documentation updates.
+	- The pstoraster filter didn't compile without the JPEG library.
+	- The cupsd server didn't support the HTTP OPTIONS request
+	  method.
+	- Dropped the "CLOSE" method supported by the cupsd server.
+	  (not defined in HTTP specification)
+	- Makefile/configure script fixes.
+	- Missing the job-restart template.
+	- Added IPP test suite for testing.
+	- Missing IPP documentation from binary distributions.
+	- Fixed multiple-document handling code when last-document
+	  not specified.
+	- Added more checks to IPP requests to prevent bad requests
+	  from getting through.
+	- Not all of the Ghostscript error output was being sent to
+	  stderr.
+	- The PostScript filter now added PJL commands to set the
+	  job name and display string, if supported.
+	- The scheduler would crash if the browse socket could not
+	  be bound. Now disables browsing if port 631 (reserved for
+	  IPP) is being used by a misbehaving daemon.
+	- The USB backend now looks for the older Linux 2.2.x USB
+	  printer device filenames as well as the newer ones.
+	- The IPP backend now uses the UTF-8 charset exclusively,
+	  since apparently only CUPS handles more than US-ASCII and
+	  UTF-8...
+	- Wasn't quoting ( in PostScript banners...
+	- Send-document requests with no document-format attribute
+	  could cause cupsd to crash.
+	- Old jobs in the spool directory might cause cupsd to
+	  crash.
+	- CUPS now supports all of the recommended job-hold-until
+	  keywords as well as name values of the form "HH:MM" and
+	  "HH:MM:SS".
+	- Added placeholder pointer for TLS encryption to the HTTP
+	  connection structure.
+	- Fixed the "fast poll" bug reported by DISA - the
+	  status pipe wasn't being closed for multi-file jobs.
+	- Revamped put_params code in pstoraster to fix bitmap
+	  allocation bug with FrameMaker output.
+	- Ripped out filename, etc. code from pstoraster as it
+	  is a potential security hole.
+	- Added support for RIP_CACHE environment variable in the
+	  new pstoraster.
+	- Fixed USB device filenames for Linux; now support new
+	  pre-2.4 devices (/dev/usb/lp#) and 2.2 devices
+	  (/dev/usblp#)
+	- Fixed accept-jobs crash with classes.
+	- Didn't include dot-matrix EPSON drivers in previous
+	  release.
+
+
+CHANGES IN CUPS v1.1b4
+
+	- Documentation updates.
+	- Many makefile and configuration script fixes (should
+	  now compile better under *BSD.)
+	- The MediaPosition attribute was being mishandled by
+	  GhostScript, causing the RIP to fail whenever a paper
+	  tray was selected.
+	- The scheduler now logs the final line of log information
+	  from a filter, even if it doesn't end with a newline; this
+	  primarily affects GhostScript error output.
+	- The scheduler was saving implicit classes, so after a few
+	  restarts you'll end up with AnyPrinter, AnyAnyPrinter, etc.
+	- The JPEG autodetection didn't work with some JPEG files that
+	  came from digital cameras (JPEG but not JFIF); the new
+	  magic types should work with all images that the JPEG library
+	  can handle.
+	- Fixed a bug in the new contains() MIME type rule that could
+	  cause cupsd to crash.
+	- Switched to using strtol() in the MIME type code so that you
+	  can use hex, octal, or decimal constants as desired in the
+	  mime.types file.
+	- Banner files are now treated as templates, allowing any type
+	  of file to be used as a banner.
+	- Added a 30-second timeout to backend device reports so that a
+	  hung backend will not prevent the scheduler from starting.
+	- Backends are once again terminated when jobs are stopped; the
+	  CUPS-supplied backends will stay alive until the downstream
+	  filters have had a chance to clear out old page data.
+	- The charset lookup in the CUPS localization support was wrong
+	  (iso8859-x instead of iso-8859-x)
+	- Changed the "cpNNNN" code page files to "windows-NNNN" to match
+	  the IANA registrations.
+	- New PostScript banner pages.
+	- Added Windows BMP and Alias PIX image file support to the image
+	  filter.
+	- The PNG reading coded didn't free all of its buffers.
+	- Added Digest authentication support to the client and server
+	  code.
+	- Added Solaris options to System V commands.
+	- Now support the output-bin job template attribute.
+	- Now log the job-billing attribute in the page_log file, and
+	  keep track of the total number of pages in the
+	  job-media-sheets-completed attribute.
+	- The penwidth option is now in micrometers to support more
+	  accurate width specification.
+	- The image filters now support interlaced and transparent PNG
+	  files.
+	- Didn't handle Keep-Alive for HTTP/1.0 clients.
+	- The BrowsePoll support didn't handle when BrowseInterval
+	  was set to 0 (now uses 30 seconds if BrowseInterval is 0)
+	- The DeskJet driver now supports 600 DPI color for printers
+	  that support it.
+	- New lpinfo and lpmove commands.
+	- The lpq command now supports the Digital UNIX output format.
+	- The LPD mini-daemon now supports all required LPD operations.
+	- Implemented timeouts for multi-file documents.
+	- New cupsPrintFiles() function in the CUPS API library to
+	  print multiple files using create-job and send-document
+	  requests (1 job ID for multiple files)
+	- The lp command now sends multiple files as a single job,
+	  matching the behavior of the System V command.
+	- The "cancel -a" command now purges job history files.
+
+
+CHANGES IN CUPS v1.1b3
+
+	- Documentation updates.
+	- The startup script redirected stderr before stdout,
+	  which caused problems with some versions of Bourne
+	  shell and Bash.
+	- Fixed a bug in the scheduler's PPD language reading
+	  code.
+	- Fixed a bug in the scheduler's check for the
+	  manufacturer in the PPD.
+	- The pstoraster filter didn't allow some input and
+	  output attributes to be set.
+	- Added banner page support.
+	- Added missing PAM configuration file.
+	- Configuration script fixes for Linux and *BSD.
+	- The log file code was using the wrong sign for the
+	  timezone offset.
+	- The default printcap file is now empty (no printcap
+	  file is generated).
+	- The scheduler did not start jobs destined for remote
+	  printers when they became available.
+	- The scheduler now sends jobs to remote printers
+	  immediately. (when sending jobs to a class, the remote
+	  printer is only used when it becomes available)
+	- The scheduler now supports printing of banner pages
+	  via the job-sheets attribute (banner files go in
+	  /usr/share/cups/banners)
+	- The cupsd process now forks itself into the background
+	  (override with -f)
+	- Added several *BSD enhancements.
+	- Added UNSUPPORTED libtool option to configuration
+	  script to allow the use of libtool.  Note that this is
+	  UNSUPPORTED by us, but added by request of the *BSD
+	  folks.
+	- The parallel, serial, and usb backends now retry the
+	  opening of their ports.  This allows multiple print
+	  queues to be associated with a single physical port,
+	  and will allow CUPS to support several types of
+	  parallel port auto-switches in the near future.
+	- Set-Job-Attributes now supports adding, changing, and
+	  deleting job template attributes, and no longer allows
+	  job-printer-uri to be set (see CUPS-Move-Job)
+	- Added CUPS-Move-Job operation to support moving of jobs.
+	- The CGI template functionality now supports multiple
+	  languages (still only have templates for English)
+	- The CUPS-Get-Printers and CUPS-Get-Classes operations
+	  now support filtering as defined in the IDD.
+	- The Get-Jobs, CUPS-Get-Printers, and CUPS-Get-Classes
+	  operations no longer limit themselves to 1000 jobs,
+	  printers, or classes (believe it or not, this is
+	  needed for some sites)
+	- The web interfaces now support language-specific
+	  templates.
+	- The web admin interface now supports class management.
+	- The web admin interface now shows a list of
+	  manufacturers before selecting the PPD/driver for a
+	  specific printer.
+	- The web admin interface now supports configuration of
+	  the default printer options in the PPD file.
+	- The web interface now uses printer/class
+	  authentication for the test page instead of admin
+	  authentication.
+	- Updated the RPM spec file for the current release.
+	- Updated language support for Windows code pages.
+	- 8-bit character set files can now use multiple fonts
+	  (needed for Arabic, Greek, Hebrew, etc.)
+	- Added basic right-to-left text support in the text
+	  filter.
+	- The POSIX locale now uses ISO-8859-1 instead of
+	  US-ASCII.
+	- Fixed PDF printing problems.
+	- Fixed PostScript RIP page device dictionary elements
+	  that weren't getting passed in cups_get_params().
+	- Added a new "contains" rule for the magic file typing.
+	- The "printable" rule now accepts characters from 128 to 255
+	  (needed for Microsoft character sets)
+	- Added support for ~/.cupsrc as well as /etc/cups/client.conf
+	  so that the default server can be configured on a per-user
+	  basis without environment variables.
+	- Added LPD mini-daemon to support incoming LPD jobs.
+
+
+CHANGES IN CUPS v1.1b2
+
+	- Documentation updates.
+	- The lp command didn't always load the user-defined
+	  destinations, preventing it from seeing the default
+	  printer.
+	- Many configure script and makefile fixes.
+	- The Microsoft code page files were missing from the
+	  distribution.
+	- Added a workaround for the HP IPP client (which is sending
+	  an invalid printer-uri in requests)
+	- Fixed the encoding of text-with-language and name-with-language
+	  to match the IPP spec.
+	- Added support for unknown value tags in the IPP routines
+	  (previously they would be ignored)
+	- Integrated GNU GhostScript 5.50 into the pstoraster filter.
+	- Client hostname resolution was broken on little-endian
+	  machines.
+	- Now look at client.conf file for client's default server
+	  and printer.
+	- The cupsServer() function did not close the client.conf file
+	  if it contained a ServerName directive.
+	- Added BrowseAllow, BrowseDeny, BrowseOrder, BrowsePoll, and
+	  BrowseRelay directives.
+	- BrowseInterval 0 disables advertising of local printers, but
+	  still receives information on remote printers.
+	- New browse polling daemon (for polling servers on different
+	  networks)
+	- New PPD cache file for faster startup times with large numbers
+	  of PPD files.
+	- The Host: field was incorrectly required for HTTP/1.0 clients.
+	- New set-job-attributes operation now supported.
+	- The mime_load_types() and mime_load_convs() functions did not
+	  close their input files.
+
+
+CHANGES IN CUPS v1.1b1
+
+	- NEW web-based administration interface.
+	- NEW EPSON printer drivers.
+	- NEW user-defined printers and options.
+	- NEW persistent jobs and job history
+	- NEW IPP/1.1 support
+	- NEW template-based web interfaces.
+	- NEW CUPS-get-devices and CUPS-get-ppds operations.
+	- NEW support for create-job and send-file operations.
+	- NEW certificate-based authentication for local
+	      administration.
+	- NEW USB backend.
+	- The lpr command now produces human-readable error messages.
+	- The lpq command now produces BSD standard format output
+	  instead of OSF/1 output.  This should resolve the SAMBA
+	  print queue problems that have been reported.
+	- The IPP backend did not always detect when the "raw" option
+	  was being used.
+	- The "lpstat -p" command would stop after the first active
+	  printer.
+	- The "lpstat -v" command would stop before the first remote
+	  printer.
+
+
+CHANGES IN CUPS v1.0.5
+
+	- The HP-GL/2 filter did not correctly set the pen color
+          for pens other than #1.
+	- The scheduler would only accept 26 simultaneous jobs
+          under some OS releases (mkstemp() limitation.)  It now
+          handles up to 2^32 simultaneous jobs.
+	- The PostScript filter loaded the printer's PPD file
+          twice.
+	- The PAM authentication code now uses pam_strerror() to
+          provide a textual error message in the error_log file.
+	- The scheduler now copies PPD and interface script
+          files instead of moving them; this fixes installations
+          with a separate requests directory.
+	- The PostScript RIP did not generate correct 6-color
+          output.
+	- Several filters were marking PPD options twice when
+          they didn't need to.
+	- The scheduler did not save the printer or class state
+          after an accept-jobs or reject-jobs operation.
+	- The cupsGetDefault() function now ignores the PRINTER
+          environment variable if it is set to "lp".
+	- New ippErrorString() function to get textual error
+          messages.
+	- Better error reporting in the System V commands.
+	- The lpadmin and lpstat commands always tried to
+          connect to the default server.
+	- The text filter didn't load the charset files from the
+          correct location.
+	- Wasn't sending a WWW-Authenticate: field to HTTP
+          clients when authentication was required.
+	- httpSeparate() didn't always set the default port
+          number for known methods.
+	- The HP-GL/2 filter now looks for "PSwidth,length"
+          instead of (the correct) "PSlength,width" as
+          documented by HP.  It appears that many major CAD
+          applications are broken and this change allows the
+          auto-rotation to work with them.
+	- The IPP "printer-resolution" option was not being
+          translated.
+	- The charset files did not include the Microsoft
+          "standard" characters from 128 to 159 (unused by the
+          ISO-8859-x charsets)
+	- The scheduler was chunking the Content-Type field from
+          CGI programs; this problem was most noticeable with
+          Microsoft Internet Explorer 5.
+	- By popular demand, the printers, jobs, and classes
+          CGIs no longer force a reload of the page every 10/30
+          seconds.
+	- The scheduler incorrectly required that the IPP client
+          provide a document-format attribute for the
+          validate-job operation.
+	- Clients that sent bad IPP requests without the
+          required attributes-natural-language and
+          attributes-charset attributes would crash the
+          scheduler.
+
+
+CHANGES IN CUPS v1.0.4
+
+	- Documentation updates.
+	- Jobs would get stuck in the queue and wouldn't print
+	  until you enabled the queue.
+	- The lp and lpr commands now catch SIGHUP and SIGINTR.
+	- The lp and lpr commands now use sigaction or sigset
+	  when available.
+	- CUPS library updates for WIN32/OS-2
+
+
+CHANGES IN CUPS v1.0.3
+
+	- Documentation updates.
+	- The lpq man page was missing.
+	- The configure script was not properly detecting the
+	  image libraries.
+	- The top-level makefile was calling "make" instead of
+	  "$(MAKE)".
+	- PostScript filter fixes for number-up, OutputOrder,
+	  and %Trailer.
+	- The imagetops filter didn't end the base-85 encoding
+	  properly if the image data was not a multiple of 4
+	  bytes in length.
+	- The imagetoraster filter didn't generate good banded
+	  RGB or CMY data (was dividing the line width by 4
+	  instead of 3...)
+	- The imagetoraster filter now records the bounding
+	  box of the image on the page.
+	- The CUPS image library cache code wasn't working as
+	  designed; images larger than the maximum RIP cache
+	  would eventually thrash using the same cache tile.
+	- The CUPS image library TIFF loading code didn't
+	  handle unknown resolution units properly; the fixed
+	  code uses a default resolution of 128 PPI.
+	- cupsGetClasses() and cupsGetPrinters() did not free
+	  existing strings if they ran out of memory.
+	- The scheduler logs incorrectly contained 3 digits for
+	  the timezone offset instead of 4.
+	- The scheduler now does a lookup for the default user
+	  and group ID; the previous hardcoded values caused
+	  problems with the LPD backend.
+	- The cancel-job operation now allows any user in the
+	  system group to cancel any job.
+	- The cancel-job operation stopped the print queue if
+	  the job was being printed.
+	- Now only stop printers if the backend fails. If the
+	  filter fails then the failure is noted in the
+	  error_log and printing continues with the next file in
+	  the queue.
+	- Now log whether a filter fails because of a signal
+	  or because it returned a non-zero exit status.
+	- The root user now always passes the system group test.
+	- Printers with an interface script and remote printers
+	  and classes didn't have a printer-make-and-model
+	  attribute.
+	- Added logging of lost/timed-out remote printers.
+	- The HP-GL/2 filter was scaling the pen width twice.
+	- Updated the HP-GL/2 filter to use a single SP (Set
+	  Pen) procedure.  This makes the output smaller and is
+	  more appropriate since the filter keeps track of the
+	  pen states already.
+	- The scheduler didn't handle passwords with spaces.
+	- The IPP backend now does multiple copies and retries
+	  if the destination server requires it (e.g. HP
+	  JetDirect.)
+	- The disable command didn't implement the "-c" option
+	  (cancel all jobs.)
+	- Changed the CMYK generation function for the image file
+	  and PostScript RIPs.
+	- The lp command didn't support the "-h" option as
+	  documented.
+	- The AppSocket, IPP, and LPD backends now retry on all
+	  network errors.  This should prevent stopped queues
+	  caused by a printer being disconnected from the
+	  network or powered off.
+	- The scheduler now restarts a job if the corresponding
+	  printer is modified.
+	- The image RIPs now rotate the image if needed to fit
+	  on the page.
+
+
+CHANGES IN CUPS v1.0.2
+
+	- The HP-GL/2 filter didn't always scale the output
+	  correctly.
+	- The HP-GL/2 filter now supports changing the page size
+	  automatically when the "fitplot" option is not used.
+	- The cancel-job operation was expecting a resource name
+	  of the form "/job/#" instead of "/jobs/#"; this
+	  prevented the cancel and lprm commands from working.
+	- The backends didn't log pages when files were printed
+	  using the "-oraw" option.
+	- The authorization code did not work with the Slackware
+	  long shadow password package because its crypt() can
+	  return NULL.
+	- The chunking code didn't work for reading the response
+	  of a POST request.
+	- cupsGetPPD() now does authentication as needed.
+	- The N-up code in the PostScript filter didn't work
+	  with some printers (grestoreall would restore the
+	  default blank page and device settings).
+	- The N-up code in the PostScript filter didn't scale
+	  the pages to fit within the imageable area of the
+	  page.
+	- Wasn't doing an fchown() on the request files.  This
+	  caused problems when the default root account group
+	  and CUPS group were not the same.
+
+
+CHANGES IN CUPS v1.0.1
+
+	- Documentation updates.
+	- Fixed a bunch of possible buffer-overflow conditions.
+	- The scheduler now supports authentication using PAM.
+	- Updated the Italian message file.
+	- httpEncode64() didn't add an extra "=" if there was
+	  only one byte in the last three-byte group.
+	- Now drop any trailing character set from the locale
+	  string (e.g. "en_US.ISO_8859-1" becomes "en_US")
+	- Fixed "timezone" vs "tm_gmtoff" usage for BSD-based
+	  operating systems.
+	- Updated IPP security so that "get" operations can be
+	  done from any resource name; this allows the CGIs to
+	  work with printer authentication enabled so long as
+	  authentication isn't turned on for the whole "site".
+	- The IPP code didn't properly handle the "unsupported"
+	  group; this caused problems with the HP JetDirect since
+	  it doesn't seem to support the "copies" attribute.
+	- The HTTP chunking code was missing a CR LF pair at the
+	  end of a 0-length chunk.
+	- The httpSeparate() function didn't handle embedded
+	  usernames and passwords in the URI properly.
+	- Doing "lpadmin -p printer -E" didn't restart printing
+	  if there were pending jobs.
+	- The cancel-job operation now requires either a
+	  requesting-user-name attribute or an authenticated
+	  username.
+	- The add-printer code did not report errors if the
+	  interface script or PPD file could not be renamed.
+	- Request files are now created without world read
+	  permissions.
+	- Added a cupsLastError() function to the CUPS API to
+	  retrieve the IPP error code from the last request.
+	- Options are now case-insensitive.
+	- The lpq command now provides 10 characters for the
+	  username instead of the original (Berkeley standard)
+	  7.
+	- The cancel command needed a local CUPS server to work
+	  (or the appropriate ServerName in cupsd.conf)
+	- The cancel and lprm commands didn't report the IPP
+	  error if the job could not be cancelled.
+	- The lp and lpr commands didn't intercept SIGTERM to
+	  remove temporary files when printing from stdin.
+	- The lp and lpr commands didn't report the IPP error if
+	  the job could not be printed.
diff --git a/CREDITS.txt b/CREDITS.txt
new file mode 100644
index 000000000..71bad1486
--- /dev/null
+++ b/CREDITS.txt
@@ -0,0 +1,26 @@
+CREDITS.txt - 01/27/2000
+------------------------
+
+Few projects are completed by one person, and CUPS is no exception.  We'd
+like to thank the following individuals for their contributions:
+
+    Nathaniel Barbour   - Lots of testing and feedback.
+    N. Becker           - setsid().
+    Jean-Eric Cuendet   - GhostScript filters for CUPS.
+    Van Dang            - HTTP and IPP policeman.
+    Dr. ZP Han          - setgid()/setuid().
+    Guy Harris          - *BSD shared libraries and lots of other fixes.
+    Wang Jian           - CUPS RPM corrections.
+    Roderick Johnstone  - Beta tester of the millenium.
+    Sergey V. Kovalyov  - ESP Print Pro and CUPS beta tester.
+    Mark Lawrence       - Microsoft interoperability testing.
+    Jason McMullan      - Original CUPS RPM distributions.
+    Wes Morgan          - *BSD fixes.
+    Ulrich Oldendorf    - German locale.
+    Petter Reinholdtsen - HP-UX compiler stuff.
+    Stuart Stevens      - HP JetDirect IPP information.
+    Kiko                - Bug fixes.
+    L. Peter Deutsch    - MD5 code.
+
+If I've missed someone, please let me know by sending an email to
+"mike@easysw.com".
diff --git a/ENCRYPTION.txt b/ENCRYPTION.txt
new file mode 100644
index 000000000..5ec656ea5
--- /dev/null
+++ b/ENCRYPTION.txt
@@ -0,0 +1,138 @@
+ENCRYPTION - CUPS v1.1.7 - 02/21/2001
+-------------------------------------
+
+This file describes the encryption support provided by CUPS.
+
+WARNING: CLIENTS CURRENTLY TRUST ALL CERTIFICATES FROM SERVERS. 
+This makes the CUPS client applications vulnerable to "man in
+the middle" attacks, so we don't recommend using this to do
+remote administration over WANs at this time.
+
+Future versions of CUPS will keep track of server certificates
+and provide a callback/confirmation interface for accepting new
+certificates and warning when a certificate has changed.
+
+
+LEGAL STUFF
+
+BEFORE USING THE ENCRYPTION SUPPORT, PLEASE VERIFY THAT IT IS
+LEGAL TO DO SO IN YOUR COUNTRY.  CUPS by itself doesn't include
+any encryption code, but it can link against the OpenSSL library
+which does.
+
+
+OVERVIEW OF ENCRYPTION SUPPORT IN CUPS
+
+CUPS supports SSL/2.0, SSL/3.0, and TLS/1.0 encryption using
+keys as large as 128-bits.  Encryption support is provided via
+the OpenSSL library and some new hooks in the CUPS code.
+
+CUPS provides support for dedicated (https) and "upgrade" (TLS)
+encryption of sessions.  The "HTTP Upgrade" method is described
+in RFC 2817; basically, the client can be secure or unsecure,
+and the client or server initiates an upgrade to a secure
+connection via some new HTTP fields and status codes.  The HTTP
+Upgrade method is new and no browsers we know of support it yet.
+Stick with "https" for web browsers.
+
+The current implementation is very basic.  The CUPS client
+software (lp, lpr, etc.) uses encryption as requested by the
+user or server.
+
+The user can specify the "-E" option with the printing commands
+to force encryption of the connection.  Encryption can also be
+specified using the Encryption directive in the client.conf file
+or in the CUPS_ENCRYPTION environment variable:
+
+    Never
+
+        Never do encryption.
+
+    Always
+
+        Always do SSL/TLS encryption using the https scheme.
+
+    IfRequested
+
+	Upgrade to TLS encryption if the server asks for it.
+	This is the default setting.
+
+    Required
+
+	Always upgrade to TLS encryption as soon as the
+	connection is made.  This is different than the "Always"
+	mode above since the connection is initially unsecure
+	and the client initiates the upgrade to TLS encryption.
+	(same as using the "-E" option)
+
+These keywords are also used in the cupsd.conf file to secure
+particular locations.  To secure all traffic on the server, listen
+on port 443 (https port) instead of port 631 and change the "ipp"
+service listing (or add it if you don't have one) in /etc/services
+to 443.  To provide both secure and normal methods, add a line
+reading:
+
+    SSLPort 443
+
+to /etc/cups/cupsd.conf.
+
+
+BEFORE YOU BEGIN
+
+You'll need the OpenSSL library from:
+
+    http://www.openssl.org
+
+
+CONFIGURING WITH ENCRYPTION SUPPORT
+
+Once you have the OpenSSL library installed, you'll need to
+configure CUPS to use it with the "--enable-ssl" option:
+
+    ./configure --enable-ssl
+
+If the OpenSSL stuff is not in a standard location, make sure to
+define the CFLAGS, CXXFLAGS, and LDFLAGS environment variables
+with the appropriate compiler and linker options first.
+
+
+GENERATING A SERVER CERTIFICATE AND KEY
+
+The following OpenSSL command will generate a server certificate
+and key that you can play with.  Since the certificate is not
+properly signed it will generate all kinds of warnings in
+Netscape and MSIE:
+
+    openssl req -new -x509 -keyout /etc/cups/ssl/server.key \
+        -out /etc/cups/ssl/server.crt -days 365 -nodes
+
+    chmod 600 /etc/cups/ssl/server.*
+
+The "-nodes" option prevents the certificate and key from being
+encrypted.  The cupsd process runs in the background, detached
+from any input source; if you encrypt these files then cupsd
+will not be able to load them!
+
+Send all rants about non-encrypted certificate and key files to
+/dev/null.  It makes sense to encrypt user files, but not for
+files used by system processes/daemons...
+
+
+REPORTING PROBLEMS
+
+If you have problems, READ THE DOCUMENTATION FIRST!  If the
+documentation does not solve your problems please send an email
+to "cups-support@cups.org".  Include your operating system and
+version, compiler and version, and any errors or problems you've
+run into. The "/var/log/cups/error_log" file should also be sent,
+as it often helps to determine the cause of your problem.
+
+If you are running a version of Linux, be sure to provide the
+Linux distribution you have, too.
+
+Please note that the "cups-support@cups.org" email address goes
+to the CUPS developers; they are busy people, so your email may
+go unanswered for days or weeks.  In general, only general build
+or distribution problems will actually get answered - for
+end-user support see the "README.txt" for a summary of the
+resources available.
diff --git a/INSTALL.txt b/INSTALL.txt
new file mode 100644
index 000000000..d5d765aae
--- /dev/null
+++ b/INSTALL.txt
@@ -0,0 +1,170 @@
+INSTALL - CUPS v1.1.13 - 01/31/2002
+-----------------------------------
+
+This file describes how to compile and install CUPS from source
+code. For more information on CUPS see the file called
+"README.txt".  A complete change log can be found in
+"CHANGES.txt".
+
+
+BEFORE YOU BEGIN
+
+You'll need ANSI-compliant C and C++ compilers, plus a make
+program and Bourne shell.  The GNU compiler tools work well -
+we've tested the current CUPS code against GCC 2.95.x with
+excellent results.
+
+The makefiles used by the project should work with all versions
+of make.  We've tested them with GNU make as well as the make
+programs shipped by Compaq, HP, SGI, and Sun.  FreeBSD users
+should use GNU make (gmake).
+
+Besides these tools you'll want the following libraries:
+
+    - JPEG 6b or higher
+    - PNG 1.0.6 or higher
+    - TIFF 3.4 or higher
+    - ZLIB 1.1.3 or higher
+
+CUPS will compile and run without these, however you'll miss out on
+many of the features provided by CUPS.
+
+
+CONFIGURATION
+
+CUPS uses GNU autoconf, so you should find the usual "configure"
+script in the main CUPS source directory.  To configure CUPS for
+your system, type:
+
+    ./configure ENTER
+
+The default installation will put the CUPS software in the
+"/etc", "/usr", and "/var" directories on your system, which
+will overwrite any existing printing commands on your system.
+Use the "--prefix" option to install the CUPS software in
+another location:
+
+    ./configure --prefix=/some/directory ENTER
+
+If the PNG, JPEG, TIFF, and ZLIB libraries are not installed in
+a system default location (typically "/usr/include" and
+"/usr/lib") you'll need to set the CFLAGS, CXXFLAGS, DSOFLAGS,
+and LDFLAGS environment variables prior to running configure:
+
+    setenv CFLAGS "-I/some/directory" ENTER
+    setenv CXXFLAGS "-I/some/directory" ENTER
+    setenv DSOFLAGS "-L/some/directory" ENTER
+    setenv LDFLAGS "-L/some/directory" ENTER
+    ./configure ... ENTER
+
+or:
+
+    CFLAGS="-I/some/directory"; export CFLAGS ENTER
+    CXXFLAGS="-I/some/directory"; export CXXFLAGS ENTER
+    DSOFLAGS="-L/some/directory"; export DSOFLAGS ENTER
+    LDFLAGS="-L/some/directory"; export LDFLAGS ENTER
+    ./configure ... ENTER
+
+To enable support for encryption, you'll also want to add the
+"--enable-ssl" option:
+
+    ./configure --enable-ssl
+
+SSL and TLS support require the OpenSSL library, available at:
+
+    http://www.openssl.org
+
+If the OpenSSL header files and libraries are not in a standard
+location, specify the locations of these files using the
+--with-openssl-includes and --with-openssl-libs directives:
+
+    ./configure --enable-ssl \
+        --with-openssl-includes=/foo/bar/include \
+        --with-openssl-libs=/foo/bar/lib
+
+See the file "ENCRYPTION.txt" for information on using the
+encryption support in CUPS.
+
+Once you have configured things, just type:
+
+    make ENTER
+
+or if you have FreeBSD, NetBSD, or OpenBSD type:
+
+    gmake ENTER
+
+to build the software.
+
+
+INSTALLING THE SOFTWARE
+
+Once you have built the software you need to install it.  The
+"install" target provides a quick way to install the software on
+your local system:
+
+    make install ENTER
+
+or for FreeBSD, NetBSD, or OpenBSD:
+
+    gmake install ENTER
+
+You can also build binary packages that can be installed on other
+machines using the RPM spec file ("cups.spec") or EPM list file
+("cups.list").  The latter also supports building of binary RPMs,
+so it may be more convenient to use - we use EPM to build all of
+our binary distributions.
+
+You can find the RPM software at:
+
+    http://www.rpm.org
+
+The RPM software is at:
+
+    http://www.easysw.com/epm
+
+
+CREATING BINARY DISTRIBUTIONS WITH EPM
+
+The top level makefile supports generation of many types of binary
+distributions using EPM.  To build a binary distribution type:
+
+    make <format> ENTER
+
+or
+
+    gmake <format> ENTER
+
+for FreeBSD, NetBSD, and OpenBSD.  The <format> target is one of
+the following:
+
+    epm      - Builds a portable shell script and tar file based
+               distribution.  This format will also backup your
+	       existing printing system if you decide to remove
+	       CUPS at some future time.
+    aix      - Builds an AIX binary distribution.
+    bsd      - Builds a *BSD binary distribution.
+    deb      - Builds a Debian binary distribution.
+    depot    - Builds a HP-UX binary distribution.
+    pkg      - Builds a Solaris binary distribution.
+    rpm      - Builds a RPM binary distribution.
+    tardist  - Builds an IRIX binary distribution.
+
+
+REPORTING PROBLEMS
+
+If you have problems, READ THE DOCUMENTATION FIRST!  If the
+documentation does not solve your problems please send an email
+to "cups-support@cups.org".  Include your operating system and
+version, compiler and version, and any errors or problems you've
+run into. The "/var/log/cups/error_log" file should also be sent,
+as it often helps to determine the cause of your problem.
+
+If you are running a version of Linux, be sure to provide the
+Linux distribution you have, too.
+
+Please note that the "cups-support@cups.org" email address goes
+to the CUPS developers; they are busy people, so your email may
+go unanswered for days or weeks.  In general, only general build
+or distribution problems will actually get answered - for
+end-user support see the "README.txt" for a summary of the
+resources available.
diff --git a/LICENSE.html b/LICENSE.html
new file mode 100644
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+<HTML>
+<HEAD>
+	<TITLE>Software License Agreement - Common UNIX Printing System</TITLE>
+</HEAD>
+
+<BODY BGCOLOR="#ffffff" TEXT="#000000">
+
+<H2 ALIGN="CENTER">Common UNIX Printing System License Agreement</H2>
+
+<P ALIGN="CENTER">Copyright 1997-2002 by Easy Software Products<BR>
+44141 AIRPORT VIEW DR STE 204<BR>
+HOLLYWOOD, MARYLAND 20636-3111 USA<BR>
+<BR>
+Voice: +1.301.373.9600<BR>
+Email: <A HREF="mailto:cups-info@cups.org">cups-info@cups.org</A><BR>
+WWW: <A HREF="http://www.cups.org">http://www.cups.org</A>
+
+<H3>Introduction</H3>
+
+<P>The Common UNIX Printing System<SUP>TM</SUP>, ("CUPS<SUP>TM</SUP>"),
+is provided under the GNU General Public License ("GPL") and GNU
+Library General Public License ("LGPL"), Version 2. A copy of these
+licenses follow this introduction.
+
+<P>The GNU LGPL applies to the CUPS API library, located in the "cups"
+subdirectory of the CUPS source distribution and in the
+"/usr/include/cups" directory and "libcups.a", "libcups_s.a",
+"libcups.sl", or "libcups.so" files in the binary distributions.
+
+<P>The GNU GPL applies to the remainder of the CUPS distribution,
+including the "pstoraster" filter which is based upon GNU Ghostscript
+5.50 and the "pdftops" filter which is based upon Xpdf 0.93a.
+
+<P>For those not familiar with the GNU GPL, the license basically
+allows you to:
+
+<UL>
+
+	<LI>Use the CUPS software at no charge.
+
+	<LI>Distribute verbatim copies of the software in source or
+	binary form.
+
+	<LI>Sell verbatim copies of the software for a media fee, or
+	sell support for the software.
+
+	<LI>Distribute or sell printer drivers and filters that use
+	CUPS so long as source code is made available under the GPL.
+
+</UL>
+
+<P>What this license <B>does not</B> allow you to do is make changes or
+add features to CUPS and then sell a binary distribution without source
+code. You must provide source for any new drivers, changes, or
+additions to the software, and all code must be provided under the GPL
+or LGPL as appropriate.
+
+<P>The GNU LGPL relaxes the "link-to" restriction, allowing you to
+develop applications that use the CUPS API library under other licenses
+and/or conditions as appropriate for your application.
+
+<H3>Trademarks</H3>
+
+<P>Easy Software Products has trademarked the Common UNIX Printing
+System, CUPS, and CUPS logo. These names and logos may be used freely
+in any direct port or binary distribution of CUPS. To use them in
+derivative products, please contract Easy Software Products for written
+permission. Our intention is to protect the value of these trademarks and
+ensure that any derivative product meets the same high-quality
+standards as the original.
+
+<H3>Binary Distribution Rights</H3>
+
+<P>Easy Software Products also sells rights to the CUPS source code
+under a binary distribution license for vendors that are unable to
+release source code for their drivers, additions, and modifications to
+CUPS under the GNU GPL and LGPL. For information please contact us at
+the address shown above.
+
+<P>The Common UNIX Printing System provides a "pstoraster" filter that
+utilizes the GNU GhostScript 5.50 core to convert PostScript files into
+a stream of raster images. For binary distribution licensing of this
+software, please contact:
+
+<BLOCKQUOTE>
+Miles Jones<BR>
+Director of Marketing<BR>
+Artifex Software Inc.<BR>
+454 Las Gallinas Ave., Suite 108<BR>
+San Rafael, CA 94903 USA<BR>
+Voice: +1.415.492.9861<BR>
+Fax: +1.415.492.9862<BR>
+EMail: <A HREF="mailto:info@arsoft.com">info@arsoft.com</A>
+</BLOCKQUOTE>
+
+<P>The "pdftops" filter is based on the Xpdf 0.93a software. For binary
+distribution licensing of this software, please contact:
+
+<BLOCKQUOTE>
+Derek B. Noonburg<BR>
+Email: <A HREF="mailto:derekn@foolabs.com">derekn@foolabs.com</A><BR>
+WWW: <A HREF="http://www.foolabs.com/xpdf/">http://www.foolabs.com/xpdf/</A>
+</BLOCKQUOTE>
+
+<H3>Support</H3>
+
+<P>Easy Software Products sells software support for CUPS as well as a
+commercial printing product based on CUPS called ESP Print Pro. You can
+find out more at our web site:
+
+<UL><PRE>
+<A HREF="http://www.easysw.com">http://www.easysw.com</A>
+</PRE></UL>
+
+<!-- NEW PAGE -->
+<H2>GNU GENERAL PUBLIC LICENSE</H2>
+
+<P>Version 2, June 1991
+
+<PRE>
+Copyright 1989, 1991 Free Software Foundation, Inc.
+59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Everyone is permitted to copy and distribute verbatim
+copies of this license document, but changing it is not allowed.
+<PRE>
+
+<H4>Preamble</H4>
+
+<P>The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+<P>When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+<P>To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+<P>For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+<P>We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+<P>Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+<P>Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+<P>The precise terms and conditions for copying, distribution and
+modification follow.
+
+<H4>GNU GENERAL PUBLIC LICENSE<BR>
+TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</H4>
+
+<OL START="0">
+
+<LI>This License applies to any program or other work which contains
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+
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+
+<P>This section is intended to make thoroughly clear what is believed to
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+
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+
+<LI>The Free Software Foundation may publish revised and/or new versions
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+
+<P>Each version is given a distinguishing version number.  If the Program
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+
+<LI>If you wish to incorporate parts of the Program into other free
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+
+</OL>
+
+<H4>NO WARRANTY</H4>
+
+<OL START="11">
+
+<LI>BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
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+REPAIR OR CORRECTION.
+
+<LI>IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
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+
+</OL>
+
+<H4>END OF TERMS AND CONDITIONS</H4>
+
+<!-- NEW PAGE -->
+<H2>GNU LIBRARY GENERAL PUBLIC LICENSE</H2>
+
+<P>Version 2, June 1991
+
+<PRE>
+Copyright (C) 1991 Free Software Foundation, Inc.
+59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+Everyone is permitted to copy and distribute verbatim copies
+of this license document, but changing it is not allowed.
+
+[This is the first released version of the library GPL.  It is
+ numbered 2 because it goes with version 2 of the ordinary GPL.]
+</PRE>
+
+<H4>Preamble</H4>
+
+<P>The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+Licenses are intended to guarantee your freedom to share and change
+free software--to make sure the software is free for all its users.
+
+<P>This license, the Library General Public License, applies to some
+specially designated Free Software Foundation software, and to any
+other libraries whose authors decide to use it.  You can use it for
+your libraries, too.
+
+<P>When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+<P>To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if
+you distribute copies of the library, or if you modify it.
+
+<P>For example, if you distribute copies of the library, whether gratis
+or for a fee, you must give the recipients all the rights that we gave
+you.  You must make sure that they, too, receive or can get the source
+code.  If you link a program with the library, you must provide
+complete object files to the recipients so that they can relink them
+with the library, after making changes to the library and recompiling
+it.  And you must show them these terms so they know their rights.
+
+<P>Our method of protecting your rights has two steps: (1) copyright
+the library, and (2) offer you this license which gives you legal
+permission to copy, distribute and/or modify the library.
+
+<P>Also, for each distributor's protection, we want to make certain
+that everyone understands that there is no warranty for this free
+library.  If the library is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original
+version, so that any problems introduced by others will not reflect on
+the original authors' reputations.
+
+<P>Finally, any free program is threatened constantly by software
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+
+<H4>TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</H4>
+
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diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 000000000..dcc0a5e53
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,812 @@
+                Common UNIX Printing System License Agreement
+
+                Copyright 1997-2002 by Easy Software Products
+                        44141 AIRPORT VIEW DR STE 204
+                     HOLLYWOOD, MARYLAND 20636-3111 USA
+
+                           Voice: +1.301.373.9600
+                          Email: cups-info@cups.org
+                          WWW: http://www.cups.org
+
+
+INTRODUCTION
+
+The Common UNIX Printing SystemTM, ("CUPSTM"), is provided under the GNU
+General Public License ("GPL") and GNU Library General Public License
+("LGPL"), Version 2. A copy of these licenses follow this introduction.
+
+The GNU LGPL applies to the CUPS API library, located in the "cups"
+subdirectory of the CUPS source distribution and in the "/usr/include/cups"
+directory and "libcups.a", "libcups_s.a", "libcups.sl", or "libcups.so"
+files in the binary distributions.
+
+The GNU GPL applies to the remainder of the CUPS distribution, including the
+"pstoraster" filter which is based upon GNU Ghostscript 5.50 and the
+"pdftops" filter which is based upon Xpdf 0.93a.
+
+For those not familiar with the GNU GPL, the license basically allows you
+to:
+
+   - Use the CUPS software at no charge.
+   - Distribute verbatim copies of the software in source or binary form.
+   - Sell verbatim copies of the software for a media fee, or sell support
+     for the software.
+   - Distribute or sell printer drivers and filters that use CUPS so long as
+     source code is made available under the GPL.
+
+What this license does not allow you to do is make changes or add features
+to CUPS and then sell a binary distribution without source code. You must
+provide source for any new drivers, changes, or additions to the software,
+and all code must be provided under the GPL or LGPL as appropriate.
+
+The GNU LGPL relaxes the "link-to" restriction, allowing you to develop
+applications that use the CUPS API library under other licenses and/or
+conditions as appropriate for your application.
+
+
+TRADEMARKS
+
+Easy Software Products has trademarked the Common UNIX Printing System,
+CUPS, and CUPS logo. These names and logos may be used freely in any direct
+port or binary distribution of CUPS. To use them in derivative products,
+please contract Easy Software Products for written permission. Our intention
+is to protect the value of these trademarks and ensure that any derivative
+product meets the same high-quality standards as the original.
+
+
+BINARY DISTRIBUTION RIGHTS
+
+Easy Software Products also sells rights to the CUPS source code under a
+binary distribution license for vendors that are unable to release source
+code for their drivers, additions, and modifications to CUPS under the GNU
+GPL and LGPL. For information please contact us at the address shown above.
+
+The Common UNIX Printing System provides a "pstoraster" filter that utilizes
+the GNU GhostScript 5.50 core to convert PostScript files into a stream of
+raster images. For binary distribution licensing of this software, please
+contact:
+
+     Miles Jones
+     Director of Marketing
+     Artifex Software Inc.
+     454 Las Gallinas Ave., Suite 108
+     San Rafael, CA 94903 USA
+     Voice: +1.415.492.9861
+     Fax: +1.415.492.9862
+     EMail: info@arsoft.com
+
+The "pdftops" filter is based on the Xpdf 0.93a software. For binary
+distribution licensing of this software, please contact:
+
+     Derek B. Noonburg
+     Email: derekn@foolabs.com
+     WWW: http://www.foolabs.com/xpdf/
+
+
+SUPPORT
+
+Easy Software Products sells software support for CUPS as well as a
+commercial printing product based on CUPS called ESP Print Pro. You can find
+out more at our web site:
+
+     http://www.easysw.com
+
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Everyone is permitted to copy and distribute verbatim copies
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+
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+
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+		     END OF TERMS AND CONDITIONS
+
+		  GNU LIBRARY GENERAL PUBLIC LICENSE
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+		  GNU LIBRARY GENERAL PUBLIC LICENSE
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+		     END OF TERMS AND CONDITIONS
diff --git a/Makedefs.in b/Makedefs.in
new file mode 100644
index 000000000..184e301f7
--- /dev/null
+++ b/Makedefs.in
@@ -0,0 +1,179 @@
+#
+# "$Id$"
+#
+#   Common makefile definitions for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+#
+# Programs...
+#
+
+AR	=	@AR@
+AWK	=	@AWK@
+CC	=	@LIBTOOL@ @CC@
+CXX	=	@LIBTOOL@ @CXX@
+DSO	=	@DSO@
+HTMLDOC	=	@HTMLDOC@
+INSTALL	=	@INSTALL@
+LIBTOOL	=	@LIBTOOL@
+LN	=	/bin/ln -sf
+MV	=	@MV@
+NROFF	=	@NROFF@
+RANLIB	=	@RANLIB@
+RM	=	@RM@ -f
+SED	=	@SED@
+SHELL	=	/bin/sh
+
+#
+# Installation programs...
+#
+
+INSTALL_BIN	=	$(LIBTOOL) $(INSTALL) -m 755 -s
+INSTALL_DATA	=	$(INSTALL) -m 644
+INSTALL_DIR	=	$(INSTALL) -d
+INSTALL_LIB	=	$(LIBTOOL) $(INSTALL) -m 755
+INSTALL_MAN	=	$(INSTALL) -m 644
+INSTALL_SCRIPT	=	$(INSTALL) -m 755
+
+#
+# Default user and group for the scheduler...
+#
+
+CUPS_USER	=	@CUPS_USER@
+CUPS_GROUP	=	@CUPS_GROUP@
+
+#
+# Libraries...
+#
+
+LIBCUPS	=	@LIBCUPS@
+LIBCUPSIMAGE =	@LIBCUPSIMAGE@
+LIBJPEG	=	@LIBJPEG@
+LIBMALLOC =	@LIBMALLOC@
+LIBPNG	=	@LIBPNG@
+LIBSLP	=	@LIBSLP@
+LIBTIFF	=	@LIBTIFF@
+LIBZ	=	@LIBZ@
+
+#
+# Program options...
+#
+# OPTIM   defines the common compiler optimization/debugging options.
+# OPTIONS defines other compile-time options (currently only -dDEBUG for
+#         extra debug info)
+#
+
+ARFLAGS	=	@ARFLAGS@
+CFLAGS	=	@CFLAGS@ -I.. $(OPTIONS)
+CXXFLAGS =	@CXXFLAGS@ -I.. $(OPTIONS)
+DSOFLAGS =	@DSOFLAGS@
+DSOLIBS	=	@DSOLIBS@
+IMGLIBS	=	@IMGLIBS@ -lm
+LDFLAGS	=	@LDFLAGS@ $(OPTIM)
+LINKCUPS =	@LINKCUPS@
+LINKCUPSIMAGE =	@LINKCUPSIMAGE@
+LIBS	=	$(LINKCUPS) $(NETLIBS) @LIBS@
+NETLIBS	=	@NETLIBS@
+OPTIM	=	@OPTIM@
+OPTIONS	=
+PAMLIBS	=	@PAMLIBS@
+SSLLIBS	=	@SSLLIBS@
+
+#
+# Directories...
+#
+# The first section uses the GNU names (which are *extremely*
+# difficult to find in a makefile because they are lowercase...)
+# We have to define these first because autoconf uses ${prefix}
+# and ${exec_prefix} for most of the other directories...
+#
+# This is immediately followed by definition in ALL CAPS for the
+# needed directories...
+#
+
+bindir		=	@bindir@
+datadir		=	@datadir@
+exec_prefix	=	@exec_prefix@
+includedir	=	@includedir@
+infodir		=	@infodir@
+libdir		=	@libdir@
+libexecdir	=	@libexecdir@
+localstatedir	=	@localstatedir@
+mandir		=	@mandir@
+oldincludedir	=	@oldincludedir@
+prefix		=	@prefix@
+sbindir		=	@sbindir@
+sharedstatedir	=	@sharedstatedir@
+srcdir		=	@srcdir@
+sysconfdir	=	@sysconfdir@
+top_srcdir	=	@top_srcdir@
+
+AMANDIR		=	$(BUILDROOT)@AMANDIR@
+BINDIR		=	$(BUILDROOT)@bindir@
+DATADIR		=	$(BUILDROOT)@CUPS_DATADIR@
+DOCDIR		=	$(BUILDROOT)@CUPS_DOCROOT@
+INCLUDEDIR	=	$(BUILDROOT)$(includedir)
+INITDIR		=	@INITDIR@
+INITDDIR	=	@INITDDIR@
+LIBDIR		=	$(BUILDROOT)$(libdir)
+LOCALEDIR	= 	$(BUILDROOT)@CUPS_LOCALEDIR@
+LOGDIR		= 	$(BUILDROOT)@CUPS_LOGDIR@
+MANDIR		=	$(BUILDROOT)@mandir@
+PAMDIR		=	$(BUILDROOT)@PAMDIR@
+PMANDIR		=	$(BUILDROOT)@PMANDIR@
+REQUESTS	= 	$(BUILDROOT)@CUPS_REQUESTS@
+SBINDIR		=	$(BUILDROOT)@sbindir@
+SERVERBIN	= 	$(BUILDROOT)@CUPS_SERVERBIN@
+SERVERROOT	= 	$(BUILDROOT)@CUPS_SERVERROOT@
+
+CAT1EXT		=	@CAT1EXT@
+CAT3EXT		=	@CAT3EXT@
+CAT5EXT		=	@CAT5EXT@
+CAT8EXT		=	@CAT8EXT@
+MAN8EXT		=	@MAN8EXT@
+MAN8DIR		=	@MAN8DIR@
+
+#
+# Rules...
+#
+
+.SILENT:
+.SUFFIXES:	.a .c .cxx .h .man .o .0 .1 .1m .3 .5 .8 .z
+.c.o:
+	echo Compiling $<...
+	$(CC) $(OPTIM) $(CFLAGS) -c $<
+.cxx.o:
+	echo Compiling $<...
+	$(CXX) $(OPTIM) $(CXXFLAGS) -c $<
+.man.0 .man.1 .man.1m .man.3 .man.5 .man.8:
+	echo Formatting $<...
+	$(RM) $@
+	$(NROFF) -man $< >$@
+.man.z:
+	echo Formatting $<...
+	$(RM) $@ t.z
+	$(NROFF) -man $< >t
+	pack -f t
+	$(MV) t.z $@
+
+#
+# End of "$Id$"
+#
diff --git a/Makefile b/Makefile
new file mode 100644
index 000000000..a674b3ad0
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,148 @@
+#
+# "$Id$"
+#
+#   Top-level Makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include Makedefs
+
+#
+# Directories to make...
+#
+
+DIRS	=	cups backend berkeley cgi-bin filter man pdftops pstoraster \
+		scheduler systemv
+
+#
+# Make all targets...
+#
+
+all:
+	chmod +x cups-config
+	for dir in $(DIRS); do\
+		echo Making all in $$dir... ;\
+		(cd $$dir ; $(MAKE) $(MFLAGS)) || exit 1;\
+	done
+
+#
+# Remove object and target files...
+#
+
+clean:
+	for dir in $(DIRS); do\
+		echo Cleaning in $$dir... ;\
+		(cd $$dir; $(MAKE) $(MFLAGS) clean) || exit 1;\
+	done
+
+#
+# Install object and target files...
+#
+
+install:
+	for dir in $(DIRS); do\
+		echo Installing in $$dir... ;\
+		(cd $$dir; $(MAKE) $(MFLAGS) install) || exit 1;\
+	done
+	echo Installing in conf...
+	(cd conf; $(MAKE) $(MFLAGS) install)
+	echo Installing in data...
+	(cd data; $(MAKE) $(MFLAGS) install)
+	echo Installing in doc...
+	(cd doc; $(MAKE) $(MFLAGS) install)
+	echo Installing in fonts...
+	(cd fonts; $(MAKE) $(MFLAGS) install)
+	echo Installing in locale...
+	(cd locale; $(MAKE) $(MFLAGS) install)
+	echo Installing in ppd...
+	(cd ppd; $(MAKE) $(MFLAGS) install)
+	echo Installing in templates...
+	(cd templates; $(MAKE) $(MFLAGS) install)
+	echo Installing cups-config script...
+	$(INSTALL_DIR) $(BINDIR)
+	$(INSTALL_SCRIPT) cups-config $(BINDIR)/cups-config
+	echo Installing startup script...
+	if test "x$(INITDIR)" != "x"; then \
+		$(INSTALL_DIR) $(BUILDROOT)$(INITDIR)/init.d; \
+		$(INSTALL_SCRIPT) cups.sh $(BUILDROOT)$(INITDIR)/init.d/cups; \
+		$(INSTALL_DIR) $(BUILDROOT)$(INITDIR)/rc0.d; \
+		$(INSTALL_SCRIPT) cups.sh  $(BUILDROOT)$(INITDIR)/rc0.d/K00cups; \
+		$(INSTALL_DIR) $(BUILDROOT)$(INITDIR)/rc2.d; \
+		$(INSTALL_SCRIPT) cups.sh $(BUILDROOT)$(INITDIR)/rc2.d/S99cups; \
+		$(INSTALL_DIR) $(BUILDROOT)$(INITDIR)/rc3.d; \
+		$(INSTALL_SCRIPT) cups.sh $(BUILDROOT)$(INITDIR)/rc3.d/S99cups; \
+		$(INSTALL_DIR) $(BUILDROOT)$(INITDIR)/rc5.d; \
+		$(INSTALL_SCRIPT) cups.sh $(BUILDROOT)$(INITDIR)/rc5.d/S99cups; \
+	fi
+	if test "x$(INITDIR)" = "x" -a "x$(INITDDIR)" != "x"; then \
+		$(INSTALL_DIR) $(BUILDROOT)$(INITDDIR); \
+		if test "$(INITDDIR)" = "/System/Library/StartupItems/CUPS"; then \
+			$(INSTALL_SCRIPT) cups.sh $(BUILDROOT)$(INITDDIR)/CUPS; \
+			$(INSTALL_DATA) cups.plist $(BUILDROOT)$(INITDDIR)/StartupParameters.plist; \
+			$(INSTALL_DIR) $(BUILDROOT)$(INITDDIR)/Resources/English.lproj; \
+			$(INSTALL_DATA) cups.strings $(BUILDROOT)$(INITDDIR)/Resources/English.lproj/Localizable.strings; \
+		else \
+			$(INSTALL_SCRIPT) cups.sh $(BUILDROOT)$(INITDDIR)/cups; \
+		fi \
+	fi
+
+
+#
+# Run the test suite...
+#
+
+test:	all
+	echo Running CUPS test suite...
+	cd test; ./run-stp-tests.sh
+
+
+#
+# Make software distributions using EPM (http://www.easysw.com/epm)...
+#
+
+EPMFLAGS	=	-v
+
+aix:
+	epm $(EPMFLAGS) -f aix cups
+
+bsd:
+	epm $(EPMFLAGS) -f bsd cups
+
+epm:
+	epm $(EPMFLAGS) cups
+
+rpm:
+	epm $(EPMFLAGS) -f rpm cups
+
+deb:
+	epm $(EPMFLAGS) -f deb cups
+
+depot:
+	epm $(EPMFLAGS) -f depot cups
+
+pkg:
+	epm $(EPMFLAGS) -f pkg cups
+
+tardist:
+	epm $(EPMFLAGS) -f tardist cups
+
+#
+# End of "$Id$".
+#
diff --git a/README.txt b/README.txt
new file mode 100644
index 000000000..719de20f1
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,283 @@
+README - CUPS v1.1.13 - 01/31/2002
+----------------------------------
+
+Looking for compile instructions?  Read the file "INSTALL.txt"
+instead...
+
+
+INTRODUCTION
+
+CUPS provides a portable printing layer for UNIX(r)-based
+operating systems.  It has been developed by Easy Software
+Products to promote a standard printing solution for all UNIX
+vendors and users.  CUPS provides the System V and Berkeley
+command-line interfaces.
+
+CUPS uses the Internet Printing Protocol ("IPP") as the basis
+for managing print jobs and queues.  The Line Printer Daemon
+("LPD") Server Message Block ("SMB"), and AppSocket (a.k.a.
+JetDirect) protocols are also supported with reduced
+functionality.  CUPS adds network printer browsing and
+PostScript Printer Description ("PPD") based printing options to
+support real-world printing under UNIX.
+
+CUPS also includes a customized version of GNU Ghostscript
+(currently based off GNU Ghostscript 5.50) and an image file RIP
+that are used to support non-PostScript printers.  Sample
+drivers for HP and EPSON printers are included that use these
+filters.
+
+Drivers for thousands of printers are provided with our ESP
+Print Pro software, available at:
+
+	http://www.easysw.com/printpro
+
+CUPS is licensed under the GNU General Public License and GNU
+Library General Public License.  Please contact Easy Software
+Products for commercial support and "binary distribution"
+rights.
+
+
+SYSTEM REQUIREMENTS
+
+Binary distributions require a minimum of 10MB of free disk
+space. We do not recommend using CUPS on a workstation with less
+than 32MB of RAM or a PC with less than 16MB of RAM.
+
+If you are installing from source you'll need ANSI-compliant C
+and C++ compilers and optionally one or more image file support
+libraries.  Complete source installation instructions can be
+found in the file "INSTALL.txt".
+
+
+SOFTWARE REQUIREMENTS
+
+The following operating system software is required to install
+one of the binary distributions from Easy Software Products:
+
+    - AIX 4.3 or higher
+    - Compaq Tru64 UNIX (aka OSF1 aka Digital UNIX) 4.0 or higher
+    - HP-UX 10.20 or higher
+    - IRIX 5.3 or higher
+    - Linux 2.0 with glibc2 or higher
+    - Solaris 2.5 or higher (SPARC or Intel)
+
+
+INSTALLING "PORTABLE" CUPS DISTRIBUTIONS
+
+We are currently distributing "portable" CUPS binary
+distributions in TAR format with installation and removal
+scripts generated by our ESP Package Manager (EPM) software,
+which is available from:
+
+    http://www.easysw.com/epm
+
+WARNING: Installing CUPS will overwrite your existing printing
+system. Backup files are made by the installation script and
+restored by the removal script, so if you experience problems
+you should be able to remove the CUPS software to restore your
+previous configuration.  However, Easy Software Products makes
+no warranty for this and will not be liable for any lost
+revenues, etc.
+
+To install the CUPS software you will need to be logged in as
+root (doing an "su" is good enough).  Once you are the root
+user, run the installation script with:
+
+    ./cups.install ENTER
+
+After asking you a few yes/no questions the CUPS software will
+be installed and the scheduler will be started automatically.
+
+
+INSTALLING HOST-SPECIFIC (RPM, DEBIAN, ETC.) DISTRIBUTIONS
+
+The host-specific distributions use the operating system
+software installation tools.  To install a host-specific
+distribution please consult the CUPS Software Administrators
+Manual or your operating system documentation.
+
+
+READING THE DOCUMENTATION
+
+Once you have installed the software you can access the
+documentation (and a bunch of other stuff) on-line at:
+
+    http://localhost:631
+
+If you're having trouble getting that far, the documentation is
+located in the "/usr/share/doc/cups" directory in the binary
+distributions, and under the "doc" directory in the source
+archives.
+
+Please read the documentation before asking questions.
+
+
+GETTING SUPPORT AND OTHER RESOURCES
+
+If you have problems, READ THE DOCUMENTATION FIRST!
+
+You can subscribe to the CUPS mailing list by sending a message
+containing "subscribe cups" to majordomo@cups.org.  This list is
+provided to discuss problems, questions, and improvements to the
+CUPS software.  New releases of CUPS are announced to this list
+as well.
+
+Commercial support (with a guaranteed response time) is
+available from Easy Software Products.  For more information
+see:
+
+    http://www.easysw.com/cups
+
+See the CUPS web site at "http://www.cups.org" for other site
+links.
+
+
+SETTING UP PRINTER QUEUES USING YOUR WEB BROWSER
+
+CUPS 1.1 includes a new web-based administration tool that
+allows you to manage printers, classes, and jobs on your
+server.  To access the printer administration tools open the
+following URL in your browser:
+
+    http://localhost:631/admin
+
+You will be asked for the administration password (root or any
+other user in the sys/system/root group on your system) and then
+shown a menu of available functions.
+
+DO NOT use the hostname for your machine - it will not work with
+the default CUPS configuration.  To enable administration access
+on other addresses, consult the CUPS Software Administrators
+Manual.
+
+
+SETTING UP PRINTER QUEUES FROM THE COMMAND-LINE
+
+CUPS works best with PPD (PostScript Printer Description)
+files.  In a pinch you can also use System V style printer
+interface scripts.
+
+Six sample PPD files are provided with this distribution that
+utilize the PostScript and image file RIPs and the sample EPSON
+and HP printer drivers.  To add the sample DeskJet driver to the
+system for a printer connected to the parallel port, use one of
+the following commands:
+
+    Digital UNIX:
+
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/lp0 -E
+
+    HP-UX:
+
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/c2t0d0_lp -E
+
+    IRIX:
+
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/plp -E
+
+    Linux:
+
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/lp0 -E
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/lp1 -E
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/lp2 -E
+
+    Solaris:
+
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/bpp0 -E
+        /usr/lib/lpadmin -p DeskJet -m deskjet.ppd -v parallel:/dev/ecpp0 -E
+
+Similarly, for the other sample drivers you can use:
+
+    Driver                         PPD File
+    -----------------------------  ------------
+    Dymo Label Printers            dymo.ppd
+    EPSON Stylus Color Series      stcolor.ppd
+    EPSON Stylus Photo Series      stphoto.ppd
+    EPSON Stylus New Color Series  stcolor2.ppd
+    EPSON Stylus New Photo Series  stphoto2.ppd
+    EPSON 9-pin Series             epson9.ppd
+    EPSON 24-pin Series            epson24.ppd
+    HP DeskJet Series              deskjet.ppd
+    HP New DeskJet Series          deskjet2.ppd
+    HP LaserJet Series             laserjet.ppd
+    OKIDATA 9-Pin Series           okidata9.ppd
+    OKIDATA 24-Pin Series          okidat24.ppd
+
+These sample drivers provide basic printing capabilities, but
+generally do not exercise the full potential of the printers or
+CUPS.  For commercial printer drivers check out our ESP Print
+Pro software at:
+
+    http://www.easysw.com/printpro
+
+
+PRINTING FILES
+
+CUPS provides both the System V "lp" and Berkeley "lpr" commands
+for printing:
+
+    lp filename
+    lpr filename
+
+Both the "lp" and "lpr" commands support printing options for
+the driver:
+
+    lp -omedia=A4 -oresolution=600dpi filename
+    lpr -omedia=A4 -oresolution=600dpi filename
+
+CUPS recognizes many types of images files as well as PDF,
+PostScript, HP-GL/2, and text files, so you can print those
+files directly rather than through an application.
+
+If you have an application that generates output specifically
+for your printer then you need to use the "-oraw" or "-l"
+options:
+
+    lp -oraw filename
+    lpr -l filename
+
+This will prevent the filters from misinterpreting your print
+file.
+
+
+LEGAL STUFF
+
+CUPS is Copyright 1993-2002 by Easy Software Products.  CUPS,
+the CUPS logo, and the Common UNIX Printing System are the
+trademark property of Easy Software Products.
+
+The MD5 Digest code is Copyright 1999 Aladdin Enterprises.
+
+The PostScript RIP software (pstoraster) is based on the GNU
+Ghostscript 5.50 core, Copyright 1986-1998 by Aladdin
+Enterprises.
+
+The PDF filter (pdftops) is based on the Xpdf 0.92 software,
+Copyright 1996-2002 by Derek B. Noonburg.
+
+This software is based in part on the work of the Independent
+JPEG Group.
+
+CUPS is provided under the terms of the GNU General Public
+License and GNU Library General Public License. This program is
+distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the "LICENSE.html",
+"LICENSE.txt", or "cups.license" files for more information.
+
+For commercial licensing information, please contact:
+
+    Attn: CUPS Licensing Information
+    Easy Software Products
+    44141 Airport View Drive, Suite 204
+    Hollywood, Maryland 20636-3111 USA
+
+    Voice: +1.301.373.9600
+    Email: cups-info@cups.org
+    WWW: http://www.cups.org
+
+Note that commercial licensors may also require a license from
+Artifex Software Inc. which handles commercial licensing of the
+Ghostscript software, and from Derek B. Noonburg who developed
+the Xpdf software used to print PDF files.
diff --git a/backend/.cvsignore b/backend/.cvsignore
new file mode 100644
index 000000000..e78e89c08
--- /dev/null
+++ b/backend/.cvsignore
@@ -0,0 +1,7 @@
+ipp
+lpd
+usb
+parallel
+betest
+serial
+socket
diff --git a/backend/Makefile b/backend/Makefile
new file mode 100644
index 000000000..4d1f23ad9
--- /dev/null
+++ b/backend/Makefile
@@ -0,0 +1,141 @@
+#
+# "$Id$"
+#
+#   Backend makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+BACKENDS =	ipp lpd parallel serial socket usb
+TARGETS	=	betest $(BACKENDS)
+OBJS	=	betest.o ipp.o lpd.o parallel.o serial.o socket.o usb.o
+
+
+#
+# Make all targets...
+#
+
+all:	$(TARGETS)
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS) $(TARGETS) http
+
+
+#
+# Install all targets...
+#
+
+install:
+	$(INSTALL_DIR) $(SERVERBIN)/backend
+	for file in $(BACKENDS); do \
+		$(INSTALL_BIN) $$file $(SERVERBIN)/backend; \
+	done
+	$(RM) $(SERVERBIN)/backend/http
+	$(LN) ipp $(SERVERBIN)/backend/http
+
+
+#
+# betest
+#
+
+betest:	betest.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o betest betest.o $(LIBS)
+
+betest.o:	../cups/string.h ../Makedefs
+
+
+#
+# ipp
+#
+
+ipp:	ipp.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o ipp ipp.o $(LIBS)
+	$(RM) http
+	$(LN) ipp http
+
+ipp.o:	../cups/cups.h ../Makedefs
+
+
+#
+# lpd
+#
+
+lpd:	lpd.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpd lpd.o $(LIBS)
+
+lpd.o:	../cups/cups.h ../Makedefs
+
+
+#
+# parallel
+#
+
+parallel:	parallel.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o parallel parallel.o $(LIBS)
+
+parallel.o:	../cups/cups.h ../Makedefs
+
+
+#
+# serial
+#
+
+serial:	serial.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o serial serial.o $(LIBS)
+
+serial.o:	../cups/cups.h ../Makedefs
+
+
+#
+# socket
+#
+
+socket:	socket.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o socket socket.o $(LIBS)
+
+socket.o:	../cups/cups.h ../Makedefs
+
+
+#
+# usb
+#
+
+usb:	usb.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o usb usb.o $(LIBS)
+
+usb.o:	../cups/cups.h ../Makedefs
+
+
+#
+# End of "$Id$".
+#
diff --git a/backend/betest.c b/backend/betest.c
new file mode 100644
index 000000000..7d041c966
--- /dev/null
+++ b/backend/betest.c
@@ -0,0 +1,85 @@
+/*
+ * "$Id$"
+ *
+ *   Backend test program for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Run the named backend.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <cups/string.h>
+#include <unistd.h>
+
+
+/*
+ * 'main()' - Run the named backend.
+ *
+ * Usage:
+ *
+ *    betest device-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (7 or 8) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  char		backend[255];	/* Method in URI */
+
+
+  if (argc < 7 || argc > 8)
+  {
+    fputs("Usage: betest device-uri job-id user title copies options [file]\n",
+          stderr);
+    return (1);
+  }
+
+ /*
+  * Extract the method from the device-uri - that's the program we want to
+  * execute.
+  */
+
+  if (sscanf(argv[1], "%254[^:]", backend) != 1)
+  {
+    fputs("betest: Bad device-uri - no colon!\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Execute and return
+  */
+
+  execl(backend, argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7],
+        NULL);
+
+  return (1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/backend/ipp.c b/backend/ipp.c
new file mode 100644
index 000000000..1d3ddf186
--- /dev/null
+++ b/backend/ipp.c
@@ -0,0 +1,793 @@
+/*
+ * "$Id$"
+ *
+ *   IPP backend for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()                 - Send a file to the printer or server.
+ *   password_cb()          - Disable the password prompt for
+ *                            cupsDoFileRequest().
+ *   report_printer_state() - Report the printer state.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/string.h>
+#include <signal.h>
+
+
+/*
+ * Local functions...
+ */
+
+const char	*password_cb(const char *);
+int		report_printer_state(ipp_t *ipp);
+
+
+/*
+ * Local globals...
+ */
+
+char	*password = NULL;
+
+
+/*
+ * 'main()' - Send a file to the printer or server.
+ *
+ * Usage:
+ *
+ *    printer-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  int		num_options;	/* Number of printer options */
+  cups_option_t	*options;	/* Printer options */
+  char		method[255],	/* Method in URI */
+		hostname[1024],	/* Hostname */
+		username[255],	/* Username info */
+		resource[1024],	/* Resource info (printer name) */
+		filename[1024];	/* File to print */
+  int		port;		/* Port number (not used) */
+  char		uri[HTTP_MAX_URI];/* Updated URI without user/pass */
+  ipp_status_t	ipp_status;	/* Status of IPP request */
+  http_t	*http;		/* HTTP connection */
+  ipp_t		*request,	/* IPP request */
+		*response,	/* IPP response */
+		*supported;	/* get-printer-attributes response */
+  ipp_attribute_t *job_id_attr;	/* job-id attribute */
+  int		job_id;		/* job-id value */
+  ipp_attribute_t *job_state;	/* job-state attribute */
+  ipp_attribute_t *copies_sup;	/* copies-supported attribute */
+  ipp_attribute_t *charset_sup;	/* charset-supported attribute */
+  ipp_attribute_t *format_sup;	/* document-format-supported attribute */
+  const char	*charset;	/* Character set to use */
+  cups_lang_t	*language;	/* Default language */
+  int		copies;		/* Number of copies remaining */
+  const char	*content_type;	/* CONTENT_TYPE environment variable */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+  int		version;	/* IPP version */
+  int		reasons;	/* Number of printer-state-reasons shown */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc == 1)
+  {
+    char *s;
+
+    if ((s = strrchr(argv[0], '/')) != NULL)
+      s ++;
+    else
+      s = argv[0];
+
+    printf("network %s \"Unknown\" \"Internet Printing Protocol (%s)\"\n", s, s);
+    return (0);
+  }
+  else if (argc < 6 || argc > 7)
+  {
+    fprintf(stderr, "Usage: %s job-id user title copies options [file]\n",
+            argv[0]);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, copy stdin to a temporary file and print the temporary
+  * file.
+  */
+
+  if (argc == 6)
+  {
+   /*
+    * Copy stdin to a temporary file...
+    */
+
+    int  fd;		/* Temporary file */
+    char buffer[8192];	/* Buffer for copying */
+    int  bytes;		/* Number of bytes read */
+
+
+    if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
+    {
+      perror("ERROR: unable to create temporary file");
+      return (1);
+    }
+
+    while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
+      if (write(fd, buffer, bytes) < bytes)
+      {
+        perror("ERROR: unable to write to temporary file");
+	close(fd);
+	unlink(filename);
+	return (1);
+      }
+
+    close(fd);
+  }
+  else
+  {
+    strncpy(filename, argv[6], sizeof(filename) - 1);
+    filename[sizeof(filename) - 1] = '\0';
+  }
+
+ /*
+  * Extract the hostname and printer name from the URI...
+  */
+
+  httpSeparate(argv[0], method, username, hostname, &port, resource);
+
+ /*
+  * Set the authentication info, if any...
+  */
+
+  cupsSetPasswordCB(password_cb);
+
+  if (username[0])
+  {
+    if ((password = strchr(username, ':')) != NULL)
+      *password++ = '\0';
+
+    cupsSetUser(username);
+  }
+
+ /*
+  * Try connecting to the remote server...
+  */
+
+  do
+  {
+    fprintf(stderr, "INFO: Connecting to %s...\n", hostname);
+
+    if ((http = httpConnect(hostname, port)) == NULL)
+    {
+      if (errno == ECONNREFUSED)
+      {
+	fprintf(stderr, "INFO: Network host \'%s\' is busy; will retry in 30 seconds...",
+                hostname);
+	sleep(30);
+      }
+      else
+      {
+	perror("ERROR: Unable to connect to IPP host");
+	sleep(30);
+      }
+    }
+  }
+  while (http == NULL);
+
+ /*
+  * Build a URI for the printer and fill the standard IPP attributes for
+  * an IPP_PRINT_FILE request.  We can't use the URI in argv[0] because it
+  * might contain username:password information...
+  */
+
+  snprintf(uri, sizeof(uri), "%s://%s:%d%s", method, hostname, port, resource);
+
+ /*
+  * First validate the destination and see if the device supports multiple
+  * copies.  We have to do this because some IPP servers (e.g. HP JetDirect)
+  * don't support the copies attribute...
+  */
+
+  language    = cupsLangDefault();
+  charset_sup = NULL;
+  copies_sup  = NULL;
+  format_sup  = NULL;
+  version     = 1;
+  supported   = NULL;
+
+  do
+  {
+   /*
+    * Build the IPP request...
+    */
+
+    request = ippNew();
+    request->request.op.version[1]   = version;
+    request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, "utf-8");
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL,
+        	 language != NULL ? language->language : "en");
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+        	 NULL, uri);
+
+   /*
+    * Do the request...
+    */
+
+    if ((supported = cupsDoRequest(http, request, resource)) == NULL)
+      ipp_status = cupsLastError();
+    else
+      ipp_status = supported->request.status.status_code;
+
+    if (ipp_status > IPP_OK_CONFLICT)
+    {
+      if (ipp_status == IPP_PRINTER_BUSY ||
+	  ipp_status == IPP_SERVICE_UNAVAILABLE)
+      {
+	fputs("INFO: Printer busy; will retry in 10 seconds...\n", stderr);
+        report_printer_state(supported);
+	sleep(10);
+      }
+      else if ((ipp_status == IPP_BAD_REQUEST ||
+	        ipp_status == IPP_VERSION_NOT_SUPPORTED) && version == 1)
+      {
+       /*
+	* Switch to IPP/1.0...
+	*/
+
+	fputs("INFO: Printer does not support IPP/1.1, trying IPP/1.0...\n", stderr);
+	version = 0;
+      }
+      else
+	fprintf(stderr, "ERROR: Unable to get printer status (%s)!\n",
+	        ippErrorString(ipp_status));
+
+      if (supported)
+        ippDelete(supported);
+
+      continue;
+    }
+    else if ((copies_sup = ippFindAttribute(supported, "copies-supported",
+	                                    IPP_TAG_RANGE)) != NULL)
+    {
+     /*
+      * Has the "copies-supported" attribute - does it have an upper
+      * bound > 1?
+      */
+
+      if (copies_sup->values[0].range.upper <= 1)
+	copies_sup = NULL; /* No */
+    }
+
+    charset_sup = ippFindAttribute(supported, "charset-supported",
+	                           IPP_TAG_CHARSET);
+    format_sup  = ippFindAttribute(supported, "document-format-supported",
+	                           IPP_TAG_MIMETYPE);
+
+    if (format_sup)
+    {
+      fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
+	      format_sup->num_values);
+      for (i = 0; i < format_sup->num_values; i ++)
+	fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
+	        format_sup->values[i].string.text);
+    }
+
+    report_printer_state(supported);
+  }
+  while (ipp_status > IPP_OK_CONFLICT);
+
+ /*
+  * Now that we are "connected" to the port, ignore SIGTERM so that we
+  * can finish out any page data the driver sends (e.g. to eject the
+  * current page...  Only ignore SIGTERM if we are printing data from
+  * stdin (otherwise you can't cancel raw jobs...)
+  */
+
+  if (argc < 7)
+  {
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+    sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+
+    sigemptyset(&action.sa_mask);
+    action.sa_handler = SIG_IGN;
+    sigaction(SIGTERM, &action, NULL);
+#else
+    signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+  }
+
+ /*
+  * See if the printer supports multiple copies...
+  */
+
+  if (copies_sup || argc < 7)
+    copies = 1;
+  else
+    copies = atoi(argv[4]);
+
+ /*
+  * Figure out the character set to use...
+  */
+
+  charset = language ? cupsLangEncoding(language) : "us-ascii";
+
+  if (charset_sup)
+  {
+   /*
+    * See if IPP server supports the requested character set...
+    */
+
+    for (i = 0; i < charset_sup->num_values; i ++)
+      if (strcasecmp(charset, charset_sup->values[i].string.text) == 0)
+        break;
+
+   /*
+    * If not, choose us-ascii or utf-8...
+    */
+
+    if (i >= charset_sup->num_values)
+    {
+     /*
+      * See if us-ascii is supported...
+      */
+
+      for (i = 0; i < charset_sup->num_values; i ++)
+        if (strcasecmp("us-ascii", charset_sup->values[i].string.text) == 0)
+          break;
+
+      if (i < charset_sup->num_values)
+        charset = "us-ascii";
+      else
+        charset = "utf-8";
+    }
+  }
+
+ /*
+  * Then issue the print-job request...
+  */
+
+  reasons = 0;
+
+  while (copies > 0)
+  {
+   /*
+    * Build the IPP request...
+    */
+
+    request = ippNew();
+    request->request.op.version[1]   = version;
+    request->request.op.operation_id = IPP_PRINT_JOB;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, charset);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL,
+        	 language != NULL ? language->language : "en");
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+        	 NULL, uri);
+
+    fprintf(stderr, "DEBUG: printer-uri = \"%s\"\n", uri);
+
+    if (argv[2][0])
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+        	   NULL, argv[2]);
+
+    fprintf(stderr, "DEBUG: requesting-user-name = \"%s\"\n", argv[2]);
+
+    if (argv[3][0])
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
+        	   argv[3]);
+
+    fprintf(stderr, "DEBUG: job-name = \"%s\"\n", argv[3]);
+
+   /*
+    * Handle options on the command-line...
+    */
+
+    options     = NULL;
+    num_options = cupsParseOptions(argv[5], 0, &options);
+
+    if (argc > 6)
+      content_type = getenv("CONTENT_TYPE");
+    else
+      content_type = "application/vnd.cups-raw";
+
+    if (content_type != NULL && format_sup != NULL)
+    {
+      for (i = 0; i < format_sup->num_values; i ++)
+        if (strcasecmp(content_type, format_sup->values[i].string.text) == 0)
+          break;
+
+      if (i < format_sup->num_values)
+        num_options = cupsAddOption("document-format", content_type,
+	                            num_options, &options);
+    }
+
+    if (copies_sup)
+    {
+     /*
+      * Only send options if the destination printer supports the copies
+      * attribute.  This is a hack for the HP JetDirect implementation of
+      * IPP, which does not accept extension attributes and incorrectly
+      * reports a client-error-bad-request error instead of the
+      * successful-ok-unsupported-attributes status.  In short, at least
+      * some HP implementations of IPP are non-compliant.
+      */
+
+      cupsEncodeOptions(request, num_options, options);
+      ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies",
+                    atoi(argv[4]));
+    }
+
+    cupsFreeOptions(num_options, options);
+
+   /*
+    * Do the request...
+    */
+
+    if ((response = cupsDoFileRequest(http, request, resource, filename)) == NULL)
+      ipp_status = cupsLastError();
+    else
+      ipp_status = response->request.status.status_code;
+
+    if (ipp_status > IPP_OK_CONFLICT)
+    {
+      job_id = 0;
+
+      if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
+	  ipp_status == IPP_PRINTER_BUSY)
+      {
+	fputs("INFO: Printer is busy; retrying print job...\n", stderr);
+	sleep(10);
+      }
+      else
+        fprintf(stderr, "ERROR: Print file was not accepted (%s)!\n",
+	        ippErrorString(ipp_status));
+    }
+    else if ((job_id_attr = ippFindAttribute(response, "job-id",
+                                             IPP_TAG_INTEGER)) == NULL)
+    {
+      fputs("INFO: Print file accepted - job ID unknown.\n", stderr);
+      job_id = 0;
+    }
+    else
+    {
+      job_id = job_id_attr->values[0].integer;
+      fprintf(stderr, "INFO: Print file accepted - job ID %d.\n", job_id);
+    }
+
+    if (response)
+      ippDelete(response);
+
+    if (ipp_status <= IPP_OK_CONFLICT && argc > 6)
+    {
+      fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
+      copies --;
+    }
+    else if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
+	     ipp_status != IPP_PRINTER_BUSY)
+      break;
+
+   /*
+    * Wait for the job to complete...
+    */
+
+    if (!job_id)
+      continue;
+
+    fputs("INFO: Waiting for job to complete...\n", stderr);
+
+    for (;;)
+    {
+     /*
+      * Build an IPP_GET_JOB_ATTRIBUTES request...
+      */
+
+      request = ippNew();
+      request->request.op.version[1]   = version;
+      request->request.op.operation_id = IPP_GET_JOB_ATTRIBUTES;
+      request->request.op.request_id   = 1;
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	   "attributes-charset", NULL, charset);
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	   "attributes-natural-language", NULL,
+        	   language != NULL ? language->language : "en");
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+        	   NULL, uri);
+
+      ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
+        	    job_id);
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                   "requested-attributes", NULL, "job-state");
+
+     /*
+      * Do the request...
+      */
+
+      if ((response = cupsDoRequest(http, request, resource)) == NULL)
+	ipp_status = cupsLastError();
+      else
+	ipp_status = response->request.status.status_code;
+
+      if (ipp_status == IPP_NOT_FOUND)
+      {
+       /*
+        * Job has gone away and/or the server has no job history...
+	*/
+
+        ippDelete(response);
+
+	ipp_status = IPP_OK;
+        break;
+      }
+
+      if (ipp_status > IPP_OK_CONFLICT)
+      {
+	if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
+	    ipp_status != IPP_PRINTER_BUSY)
+	{
+	  if (response)
+	    ippDelete(response);
+
+          fprintf(stderr, "ERROR: Unable to get job %d attributes (%s)!\n",
+	          job_id, ippErrorString(ipp_status));
+          break;
+	}
+      }
+      else if ((job_state = ippFindAttribute(response, "job-state", IPP_TAG_ENUM)) != NULL)
+      {
+       /*
+        * Stop polling if the job is finished or pending-held...
+	*/
+
+        if (job_state->values[0].integer > IPP_JOB_PROCESSING ||
+	    job_state->values[0].integer == IPP_JOB_HELD)
+	{
+	  ippDelete(response);
+	  break;
+	}
+      }
+
+      if (response)
+	ippDelete(response);
+
+
+     /*
+      * Now check on the printer state...
+      */
+
+      request = ippNew();
+      request->request.op.version[1]   = version;
+      request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+      request->request.op.request_id   = 1;
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	   "attributes-charset", NULL, charset);
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	   "attributes-natural-language", NULL,
+        	   language != NULL ? language->language : "en");
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+        	   NULL, uri);
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                   "requested-attributes", NULL, "job-state-reasons");
+
+     /*
+      * Do the request...
+      */
+
+      if ((response = cupsDoRequest(http, request, resource)) != NULL)
+      {
+        reasons = report_printer_state(response);
+	ippDelete(response);
+      }
+
+     /*
+      * Wait 10 seconds before polling again...
+      */
+
+      sleep(10);
+    }
+  }
+
+ /*
+  * Free memory...
+  */
+
+  httpClose(http);
+
+  if (supported)
+    ippDelete(supported);
+
+ /*
+  * Close and remove the temporary file if necessary...
+  */
+
+  if (argc < 7)
+    unlink(filename);
+
+ /*
+  * Return the queue status...
+  */
+
+  if (ipp_status <= IPP_OK_CONFLICT && reasons == 0)
+    fputs("INFO: Ready to print.\n", stderr);
+
+  return (ipp_status > IPP_OK_CONFLICT);
+}
+
+
+/*
+ * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
+ */
+
+const char *			/* O - Password  */
+password_cb(const char *prompt)	/* I - Prompt (not used) */
+{
+  (void)prompt;
+
+  return (password);
+}
+
+
+/*
+ * 'report_printer_state()' - Report the printer state.
+ */
+
+int					/* O - Number of reasons shown */
+report_printer_state(ipp_t *ipp)	/* I - IPP response */
+{
+  int			i;		/* Looping var */
+  int			count;		/* Count of reasons shown... */
+  ipp_attribute_t	*reasons;	/* printer-state-reasons */
+  const char		*message;	/* Message to show */
+  char			unknown[1024];	/* Unknown message string */
+
+
+  if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
+                                  IPP_TAG_KEYWORD)) == NULL)
+    return (0);
+
+  for (i = 0, count = 0; i < reasons->num_values; i ++)
+  {
+    message = NULL;
+
+    if (strncmp(reasons->values[i].string.text, "media-needed", 12) == 0)
+      message = "Media tray needs to be filled.";
+    else if (strncmp(reasons->values[i].string.text, "media-jam", 9) == 0)
+      message = "Media jam!";
+    else if (strncmp(reasons->values[i].string.text, "moving-to-paused", 16) == 0 ||
+             strncmp(reasons->values[i].string.text, "paused", 6) == 0 ||
+	     strncmp(reasons->values[i].string.text, "shutdown", 8) == 0)
+      message = "Printer off-line.";
+    else if (strncmp(reasons->values[i].string.text, "toner-low", 9) == 0)
+      message = "Toner low.";
+    else if (strncmp(reasons->values[i].string.text, "toner-empty", 11) == 0)
+      message = "Out of toner!";
+    else if (strncmp(reasons->values[i].string.text, "cover-open", 10) == 0)
+      message = "Cover open.";
+    else if (strncmp(reasons->values[i].string.text, "interlock-open", 14) == 0)
+      message = "Interlock open.";
+    else if (strncmp(reasons->values[i].string.text, "door-open", 9) == 0)
+      message = "Door open.";
+    else if (strncmp(reasons->values[i].string.text, "input-tray-missing", 18) == 0)
+      message = "Media tray missing!";
+    else if (strncmp(reasons->values[i].string.text, "media-low", 9) == 0)
+      message = "Media tray almost empty.";
+    else if (strncmp(reasons->values[i].string.text, "media-empty", 11) == 0)
+      message = "Media tray empty!";
+    else if (strncmp(reasons->values[i].string.text, "output-tray-missing", 19) == 0)
+      message = "Output tray missing!";
+    else if (strncmp(reasons->values[i].string.text, "output-area-almost-full", 23) == 0)
+      message = "Output bin almost full.";
+    else if (strncmp(reasons->values[i].string.text, "output-area-full", 16) == 0)
+      message = "Output bin full!";
+    else if (strncmp(reasons->values[i].string.text, "marker-supply-low", 17) == 0)
+      message = "Ink/toner almost empty.";
+    else if (strncmp(reasons->values[i].string.text, "marker-supply-empty", 19) == 0)
+      message = "Ink/toner empty!";
+    else if (strncmp(reasons->values[i].string.text, "marker-waste-almost-full", 24) == 0)
+      message = "Ink/toner waste bin almost full.";
+    else if (strncmp(reasons->values[i].string.text, "marker-waste-full", 17) == 0)
+      message = "Ink/toner waste bin full!";
+    else if (strncmp(reasons->values[i].string.text, "fuser-over-temp", 15) == 0)
+      message = "Fuser temperature high!";
+    else if (strncmp(reasons->values[i].string.text, "fuser-under-temp", 16) == 0)
+      message = "Fuser temperature low!";
+    else if (strncmp(reasons->values[i].string.text, "opc-near-eol", 12) == 0)
+      message = "OPC almost at end-of-life.";
+    else if (strncmp(reasons->values[i].string.text, "opc-life-over", 13) == 0)
+      message = "OPC at end-of-life!";
+    else if (strncmp(reasons->values[i].string.text, "developer-low", 13) == 0)
+      message = "Developer almost empty.";
+    else if (strncmp(reasons->values[i].string.text, "developer-empty", 15) == 0)
+      message = "Developer empty!";
+    else if (strstr(reasons->values[i].string.text, "error") != NULL)
+    {
+      message = unknown;
+
+      snprintf(unknown, sizeof(unknown), "Unknown printer error (%s)!",
+               reasons->values[i].string.text);
+    }
+
+    if (message)
+    {
+      count ++;
+      if (strstr(reasons->values[i].string.text, "error"))
+        fprintf(stderr, "ERROR: %s\n", message);
+      else if (strstr(reasons->values[i].string.text, "warning"))
+        fprintf(stderr, "WARNING: %s\n", message);
+      else
+        fprintf(stderr, "INFO: %s\n", message);
+    }
+  }
+
+  return (count);
+}
+
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/backend/lpd.c b/backend/lpd.c
new file mode 100644
index 000000000..5c884520c
--- /dev/null
+++ b/backend/lpd.c
@@ -0,0 +1,765 @@
+/*
+ * "$Id$"
+ *
+ *   Line Printer Daemon backend for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()        - Send a file to the printer or server.
+ *   lpd_command() - Send an LPR command sequence and wait for a reply.
+ *   lpd_queue()   - Queue a file using the Line Printer Daemon protocol.
+ *   lpd_write()   - Write a buffer of data to an LPD server.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/cups.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <cups/string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <signal.h>
+
+#ifdef WIN32
+#  include <winsock.h>
+#else
+#  include <sys/socket.h>
+#  include <netinet/in.h>
+#  include <arpa/inet.h>
+#  include <netdb.h>
+#endif /* WIN32 */
+
+
+/*
+ * The order for control and data files in LPD requests...
+ */
+
+#define ORDER_CONTROL_DATA	0
+#define ORDER_DATA_CONTROL	1
+
+
+/*
+ * It appears that rresvport() is never declared on most systems...
+ */
+
+extern int	rresvport(int *port);
+
+
+/*
+ * Local functions...
+ */
+
+static int	lpd_command(int lpd_fd, char *format, ...);
+static int	lpd_queue(char *hostname, char *printer, char *filename,
+		          int fromstdin, char *user, char *title, int copies,
+			  int banner, int format, int order);
+static int	lpd_write(int lpd_fd, char *buffer, int length);
+
+
+/*
+ * 'main()' - Send a file to the printer or server.
+ *
+ * Usage:
+ *
+ *    printer-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  char	method[255],	/* Method in URI */
+	hostname[1024],	/* Hostname */
+	username[255],	/* Username info (not used) */
+	resource[1024],	/* Resource info (printer name) */
+	*options,	/* Pointer to options */
+	name[255],	/* Name of option */
+	value[255],	/* Value of option */
+	*ptr,		/* Pointer into name or value */
+	filename[1024],	/* File to print */
+	title[256];	/* Title string */
+  int	port;		/* Port number (not used) */
+  int	status;		/* Status of LPD job */
+  int	banner;		/* Print banner page? */
+  int	format;		/* Print format */
+  int	order;		/* Order of control/data files */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc == 1)
+  {
+    puts("network lpd \"Unknown\" \"LPD/LPR Host or Printer\"");
+    return (0);
+  }
+  else if (argc < 6 || argc > 7)
+  {
+    fprintf(stderr, "Usage: %s job-id user title copies options [file]\n",
+            argv[0]);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, copy stdin to a temporary file and print the temporary
+  * file.
+  */
+
+  if (argc == 6)
+  {
+   /*
+    * Copy stdin to a temporary file...
+    */
+
+    int  fd;		/* Temporary file */
+    char buffer[8192];	/* Buffer for copying */
+    int  bytes;		/* Number of bytes read */
+
+
+    if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
+    {
+      perror("ERROR: unable to create temporary file");
+      return (1);
+    }
+
+    while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
+      if (write(fd, buffer, bytes) < bytes)
+      {
+        perror("ERROR: unable to write to temporary file");
+	close(fd);
+	unlink(filename);
+	return (1);
+      }
+
+    close(fd);
+  }
+  else
+  {
+    strncpy(filename, argv[6], sizeof(filename) - 1);
+    filename[sizeof(filename) - 1] = '\0';
+  }
+
+ /*
+  * Extract the hostname and printer name from the URI...
+  */
+
+  httpSeparate(argv[0], method, username, hostname, &port, resource);
+
+ /*
+  * See if there are any options...
+  */
+
+  banner = 0;
+  format = 'l';
+  order  = ORDER_CONTROL_DATA;
+
+  if ((options = strchr(resource, '?')) != NULL)
+  {
+   /*
+    * Yup, terminate the device name string and move to the first
+    * character of the options...
+    */
+
+    *options++ = '\0';
+
+   /*
+    * Parse options...
+    */
+
+    while (*options)
+    {
+     /*
+      * Get the name...
+      */
+
+      for (ptr = name; *options && *options != '=';)
+        *ptr++ = *options++;
+      *ptr = '\0';
+
+      if (*options == '=')
+      {
+       /*
+        * Get the value...
+	*/
+
+        options ++;
+
+	for (ptr = value; *options && *options != '+';)
+          *ptr++ = *options++;
+	*ptr = '\0';
+
+	if (*options == '+')
+	  options ++;
+      }
+      else
+        value[0] = '\0';
+
+     /*
+      * Process the option...
+      */
+
+      if (strcasecmp(name, "banner") == 0)
+      {
+       /*
+        * Set the banner...
+	*/
+
+        banner = !value[0] ||
+	         strcasecmp(value, "on") == 0 ||
+		 strcasecmp(value, "yes") == 0 ||
+		 strcasecmp(value, "true") == 0;
+      }
+      else if (strcasecmp(name, "format") == 0 && value[0])
+      {
+       /*
+        * Set output format...
+	*/
+
+        if (strchr("cdfglnoprtv", value[0]) != NULL)
+	  format = value[0];
+	else
+	  fprintf(stderr, "ERROR: Unknown format character \"%c\"\n", value[0]);
+      }
+      else if (strcasecmp(name, "order") == 0 && value[0])
+      {
+       /*
+        * Set control/data order...
+	*/
+
+        if (strcasecmp(value, "control,data") == 0)
+	  order = ORDER_CONTROL_DATA;
+	else if (strcasecmp(value, "data,control") == 0)
+	  order = ORDER_DATA_CONTROL;
+	else
+	  fprintf(stderr, "ERROR: Unknown file order \"%s\"\n", value);
+      }
+    }
+  }
+
+ /*
+  * Sanitize the document title...
+  */
+
+  strncpy(title, argv[3], sizeof(title) - 1);
+  title[sizeof(title) - 1] = '\0';
+
+  for (ptr = title; *ptr; ptr ++)
+    if (!isalnum(*ptr) && !isspace(*ptr))
+      *ptr = '_';
+
+ /*
+  * Queue the job...
+  */
+
+  if (argc > 6)
+  {
+    status = lpd_queue(hostname, resource + 1, filename, 0,
+                       argv[2] /* user */, title, atoi(argv[4]) /* copies */,
+		       banner, format, order);
+
+    if (!status)
+      fprintf(stderr, "PAGE: 1 %d\n", atoi(argv[4]));
+  }
+  else
+    status = lpd_queue(hostname, resource + 1, filename, 1,
+                       argv[2] /* user */, title, 1, banner, format, order);
+
+ /*
+  * Remove the temporary file if necessary...
+  */
+
+  if (argc < 7)
+    unlink(filename);
+
+ /*
+  * Return the queue status...
+  */
+
+  return (status);
+}
+
+
+/*
+ * 'lpd_command()' - Send an LPR command sequence and wait for a reply.
+ */
+
+static int			/* O - Status of command */
+lpd_command(int  fd,		/* I - Socket connection to LPD host */
+            char *format,	/* I - printf()-style format string */
+            ...)		/* I - Additional args as necessary */
+{
+  va_list	ap;		/* Argument pointer */
+  char		buf[1024];	/* Output buffer */
+  int		bytes;		/* Number of bytes to output */
+  char		status;		/* Status from command */
+
+
+ /*
+  * Format the string...
+  */
+
+  va_start(ap, format);
+  bytes = vsnprintf(buf, sizeof(buf), format, ap);
+  va_end(ap);
+
+  fprintf(stderr, "DEBUG: lpd_command %2.2x %s", buf[0], buf + 1);
+
+ /*
+  * Send the command...
+  */
+
+  fprintf(stderr, "DEBUG: Sending command string (%d bytes)...\n", bytes);
+
+  if (lpd_write(fd, buf, bytes) < bytes)
+    return (-1);
+
+ /*
+  * Read back the status from the command and return it...
+  */
+
+  fprintf(stderr, "DEBUG: Reading command status...\n");
+
+  if (recv(fd, &status, 1, 0) < 1)
+    return (-1);
+
+  fprintf(stderr, "DEBUG: lpd_command returning %d\n", status);
+
+  return (status);
+}
+
+
+/*
+ * 'lpd_queue()' - Queue a file using the Line Printer Daemon protocol.
+ */
+
+static int			/* O - Zero on success, non-zero on failure */
+lpd_queue(char *hostname,	/* I - Host to connect to */
+          char *printer,	/* I - Printer/queue name */
+	  char *filename,	/* I - File to print */
+          int  fromstdin,	/* I - Printing from stdin? */
+          char *user,		/* I - Requesting user */
+	  char *title,		/* I - Job title */
+	  int  copies,		/* I - Number of copies */
+	  int  banner,		/* I - Print LPD banner? */
+          int  format,		/* I - Format specifier */
+          int  order)		/* I - Order of data/control files */
+{
+  FILE			*fp;		/* Job file */
+  char			localhost[255];	/* Local host name */
+  int			error;		/* Error number */
+  struct stat		filestats;	/* File statistics */
+  int			port;		/* LPD connection port */
+  int			fd;		/* LPD socket */
+  char			control[10240],	/* LPD control 'file' */
+			*cptr;		/* Pointer into control file string */
+  char			status;		/* Status byte from command */
+  struct sockaddr_in	addr;		/* Socket address */
+  struct hostent	*hostaddr;	/* Host address */
+  size_t		nbytes,		/* Number of bytes written */
+			tbytes;		/* Total bytes written */
+  char			buffer[8192];	/* Output buffer */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction	action;		/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * First try to reserve a port for this connection...
+  */
+
+  if ((hostaddr = httpGetHostByName(hostname)) == NULL)
+  {
+    fprintf(stderr, "ERROR: Unable to locate printer \'%s\' - %s",
+            hostname, strerror(errno));
+    return (1);
+  }
+
+  fprintf(stderr, "INFO: Attempting to connect to host %s for printer %s\n",
+          hostname, printer);
+
+  memset(&addr, 0, sizeof(addr));
+  memcpy(&(addr.sin_addr), hostaddr->h_addr, hostaddr->h_length);
+  addr.sin_family = hostaddr->h_addrtype;
+  addr.sin_port   = htons(515);	/* LPD/printer service */
+
+  for (port = 732;;)
+  {
+    if (getuid())
+    {
+     /*
+      * We're running as a normal user, so just create a regular socket...
+      */
+
+      if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+      {
+        perror("ERROR: Unable to create socket");
+        return (1);
+      }
+    }
+    else
+    {
+     /*
+      * We're running as root, so comply with RFC 1179 and reserve a
+      * priviledged port between 721 and 732...
+      */
+
+      if ((fd = rresvport(&port)) < 0)
+      {
+	perror("ERROR: Unable to reserve port");
+	sleep(30);
+	continue;
+      }
+    }
+
+    if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+    {
+      error = errno;
+      close(fd);
+      fd = -1;
+
+      if (error == ECONNREFUSED)
+      {
+	fprintf(stderr, "INFO: Network host \'%s\' is busy; will retry in 30 seconds...",
+                hostname);
+	sleep(30);
+      }
+      else if (error == EADDRINUSE)
+      {
+	port --;
+	if (port < 721)
+	  port = 732;
+      }
+      else
+      {
+	perror("ERROR: Unable to connect to printer");
+        sleep(30);
+      }
+    }
+    else
+      break;
+  }
+
+  fprintf(stderr, "INFO: Connected from port %d...\n", port);
+
+ /*
+  * Now that we are "connected" to the port, ignore SIGTERM so that we
+  * can finish out any page data the driver sends (e.g. to eject the
+  * current page...  Only ignore SIGTERM if we are printing data from
+  * stdin (otherwise you can't cancel raw jobs...)
+  */
+
+  if (fromstdin)
+  {
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+    sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+
+    sigemptyset(&action.sa_mask);
+    action.sa_handler = SIG_IGN;
+    sigaction(SIGTERM, &action, NULL);
+#else
+    signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+  }
+
+ /*
+  * Next, open the print file and figure out its size...
+  */
+
+  if (stat(filename, &filestats))
+  {
+    perror("ERROR: unable to stat print file");
+    return (1);
+  }
+
+  if ((fp = fopen(filename, "rb")) == NULL)
+  {
+    perror("ERROR: unable to open print file for reading");
+    return (1);
+  }
+
+ /*
+  * Send a job header to the printer, specifying no banner page and
+  * literal output...
+  */
+
+  lpd_command(fd, "\002%s\n", printer);	/* Receive print job(s) */
+
+  gethostname(localhost, sizeof(localhost));
+  localhost[31] = '\0'; /* RFC 1179, Section 7.2 - host name < 32 chars */
+
+  snprintf(control, sizeof(control), "H%s\nP%s\nJ%s\n", localhost, user, title);
+  cptr = control + strlen(control);
+
+  if (banner)
+  {
+    snprintf(cptr, sizeof(control) - (cptr - control), "L%s\n", user);
+    cptr   += strlen(cptr);
+  }
+
+  while (copies > 0)
+  {
+    snprintf(cptr, sizeof(control) - (cptr - control), "%cdfA%03d%s\n", format,
+             getpid() % 1000, localhost);
+    cptr   += strlen(cptr);
+    copies --;
+  }
+
+  snprintf(cptr, sizeof(control) - (cptr - control),
+           "UdfA%03d%s\nNdfA%03d%s\n",
+           getpid() % 1000, localhost,
+           getpid() % 1000, localhost);
+
+  fprintf(stderr, "DEBUG: Control file is:\n%s", control);
+
+  if (order == ORDER_CONTROL_DATA)
+  {
+    lpd_command(fd, "\002%d cfA%03.3d%s\n", strlen(control), getpid() % 1000,
+        	localhost);
+
+    fprintf(stderr, "INFO: Sending control file (%d bytes)\n", strlen(control));
+
+    if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
+    {
+      status = errno;
+      perror("ERROR: Unable to write control file");
+    }
+    else if (read(fd, &status, 1) < 1)
+      status = errno;
+
+    if (status != 0)
+      fprintf(stderr, "ERROR: Remote host did not accept control file (%d)\n",
+              status);
+    else
+      fputs("INFO: Control file sent successfully\n", stderr);
+  }
+  else
+    status = 0;
+
+  if (status == 0)
+  {
+   /*
+    * Send the print file...
+    */
+
+    lpd_command(fd, "\003%u dfA%03.3d%s\n", (unsigned)filestats.st_size,
+                getpid() % 1000, localhost);
+
+    fprintf(stderr, "INFO: Sending data file (%u bytes)\n",
+            (unsigned)filestats.st_size);
+
+    tbytes = 0;
+    while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+    {
+      fprintf(stderr, "INFO: Spooling LPR job, %u%% complete...\n",
+              (unsigned)(100.0f * tbytes / filestats.st_size));
+
+      if (lpd_write(fd, buffer, nbytes) < nbytes)
+      {
+        perror("ERROR: Unable to send print file to printer");
+        break;
+      }
+      else
+        tbytes += nbytes;
+    }
+
+    if (tbytes < filestats.st_size)
+      status = errno;
+    else if (lpd_write(fd, "", 1) < 1)
+      status = errno;
+    else if (recv(fd, &status, 1, 0) < 1)
+      status = errno;
+
+    if (status != 0)
+      fprintf(stderr, "ERROR: Remote host did not accept data file (%d)\n",
+              status);
+    else
+      fputs("INFO: Data file sent successfully\n", stderr);
+  }
+
+  if (status == 0 && order == ORDER_DATA_CONTROL)
+  {
+    lpd_command(fd, "\002%d cfA%03.3d%s\n", strlen(control), getpid() % 1000,
+        	localhost);
+
+    fprintf(stderr, "INFO: Sending control file (%d bytes)\n", strlen(control));
+
+    if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
+    {
+      status = errno;
+      perror("ERROR: Unable to write control file");
+    }
+    else if (read(fd, &status, 1) < 1)
+      status = errno;
+
+    if (status != 0)
+      fprintf(stderr, "ERROR: Remote host did not accept control file (%d)\n",
+              status);
+    else
+      fputs("INFO: Control file sent successfully\n", stderr);
+  }
+
+ /*
+  * Close the socket connection and input file and return...
+  */
+
+  close(fd);
+  fclose(fp);
+  
+  return (status);
+}
+
+
+/*
+ * 'lpd_write()' - Write a buffer of data to an LPD server.
+ */
+
+static int			/* O - Number of bytes written or -1 on error */
+lpd_write(int  lpd_fd,		/* I - LPD socket */
+          char *buffer,		/* I - Buffer to write */
+	  int  length)		/* I - Number of bytes to write */
+{
+  int	bytes,			/* Number of bytes written */
+	total;			/* Total number of bytes written */
+
+
+  total = 0;
+  while ((bytes = send(lpd_fd, buffer, length - total, 0)) >= 0)
+  {
+    total  += bytes;
+    buffer += bytes;
+
+    if (total == length)
+      break;
+  }
+
+  if (bytes < 0)
+    return (-1);
+  else
+    return (length);
+}
+
+
+#ifndef HAVE_RRESVPORT
+/*
+ * 'rresvport()' - A simple implementation of rresvport().
+ */
+
+int				/* O  - Socket or -1 on error */
+rresvport(int *port)		/* IO - Port number to bind to */
+{
+  struct sockaddr_in	addr;	/* Socket address */
+  int			fd;	/* Socket file descriptor */
+
+
+ /*
+  * Try to create an IPv4 socket...
+  */
+
+  if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    return (-1);
+
+ /*
+  * Initialize the address buffer...
+  */
+
+  memset(&addr, 0, sizeof(addr));
+
+  addr.sin_family      = AF_INET;
+  addr.sin_addr.s_addr = INADDR_ANY;
+
+ /*
+  * Try to bind the socket to a reserved port; unlike the standard
+  * BSD rresvport(), we limit the port number to 721 through 732
+  * (instead of 512 to 1023) since RFC 1179 defines the local port
+  * number between 721 and 732...
+  */
+
+  while (*port > 720)
+  {
+   /*
+    * Set the port number...
+    */
+
+    addr.sin_port = htons(*port);
+
+   /*
+    * Try binding the port to the socket; return if all is OK...
+    */
+
+    if (!bind(fd, (struct sockaddr *)&addr, sizeof(addr)))
+      return (fd);
+
+   /*
+    * Stop if we have any error other than "address already in use"...
+    */
+
+    if (errno != EADDRINUSE)
+    {
+#  ifdef WIN32
+      closesocket(fd);
+#  else
+      close(fd);
+#  endif /* WIN32 */
+
+      return (-1);
+    }
+
+   /*
+    * Try the next port...
+    */
+
+    (*port)--;
+  }
+
+ /*
+  * Wasn't able to bind to a reserved port, so close the socket and return
+  * -1...
+  */
+
+#  ifdef WIN32
+  closesocket(fd);
+#  else
+  close(fd);
+#  endif /* WIN32 */
+
+  return (-1);
+}
+#endif /* !HAVE_RRESVPORT */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/backend/parallel.c b/backend/parallel.c
new file mode 100644
index 000000000..127f9d7b7
--- /dev/null
+++ b/backend/parallel.c
@@ -0,0 +1,643 @@
+/*
+ * "$Id$"
+ *
+ *   Parallel port backend for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()         - Send a file to the specified parallel port.
+ *   list_devices() - List all parallel devices.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/cups.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <cups/string.h>
+#include <signal.h>
+
+#ifdef WIN32
+#  include <io.h>
+#else
+#  include <unistd.h>
+#  include <fcntl.h>
+#  include <termios.h>
+#endif /* WIN32 */
+
+#ifdef __sgi
+#  include <invent.h>
+#  ifndef INV_EPP_ECP_PLP
+#    define INV_EPP_ECP_PLP	6	/* From 6.3/6.4/6.5 sys/invent.h */
+#    define INV_ASO_SERIAL	14	/* serial portion of SGI ASO board */
+#    define INV_IOC3_DMA	16	/* DMA mode IOC3 serial */
+#    define INV_IOC3_PIO	17	/* PIO mode IOC3 serial */
+#    define INV_ISA_DMA		19	/* DMA mode ISA serial -- O2 */
+#  endif /* !INV_EPP_ECP_PLP */
+#endif /* __sgi */
+
+
+/*
+ * Local functions...
+ */
+
+void	list_devices(void);
+
+
+/*
+ * 'main()' - Send a file to the specified parallel port.
+ *
+ * Usage:
+ *
+ *    printer-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  char		method[255],	/* Method in URI */
+		hostname[1024],	/* Hostname */
+		username[255],	/* Username info (not used) */
+		resource[1024],	/* Resource info (device and options) */
+		*options;	/* Pointer to options */
+  int		port;		/* Port number (not used) */
+  FILE		*fp;		/* Print file */
+  int		copies;		/* Number of copies to print */
+  int		fd;		/* Parallel device */
+  int		wbytes;		/* Number of bytes written */
+  size_t	nbytes,		/* Number of bytes read */
+		tbytes;		/* Total number of bytes written */
+  char		buffer[8192],	/* Output buffer */
+		*bufptr;	/* Pointer into buffer */
+  struct termios opts;		/* Parallel port options */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc == 1)
+  {
+    list_devices();
+    return (0);
+  }
+  else if (argc < 6 || argc > 7)
+  {
+    fputs("Usage: parallel job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+  {
+    fp     = stdin;
+    copies = 1;
+  }
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      perror("ERROR: unable to open print file");
+      return (1);
+    }
+
+    copies = atoi(argv[4]);
+  }
+
+ /*
+  * Extract the device name and options from the URI...
+  */
+
+  httpSeparate(argv[0], method, username, hostname, &port, resource);
+
+ /*
+  * See if there are any options...
+  */
+
+  if ((options = strchr(resource, '?')) != NULL)
+  {
+   /*
+    * Yup, terminate the device name string and move to the first
+    * character of the options...
+    */
+
+    *options++ = '\0';
+  }
+
+ /*
+  * Open the parallel port device...
+  */
+
+  do
+  {
+    if ((fd = open(resource, O_WRONLY | O_EXCL)) == -1)
+    {
+      if (errno == EBUSY)
+      {
+        fputs("INFO: Parallel port busy; will retry in 30 seconds...\n", stderr);
+	sleep(30);
+      }
+      else
+      {
+	fprintf(stderr, "ERROR: Unable to open parallel port device file \"%s\": %s\n",
+	        resource, strerror(errno));
+	return (1);
+      }
+    }
+  }
+  while (fd < 0);
+
+ /*
+  * Set any options provided...
+  */
+
+  tcgetattr(fd, &opts);
+
+  opts.c_lflag &= ~(ICANON | ECHO | ISIG);	/* Raw mode */
+
+  /**** No options supported yet ****/
+
+  tcsetattr(fd, TCSANOW, &opts);
+
+ /*
+  * Now that we are "connected" to the port, ignore SIGTERM so that we
+  * can finish out any page data the driver sends (e.g. to eject the
+  * current page...  Only ignore SIGTERM if we are printing data from
+  * stdin (otherwise you can't cancel raw jobs...)
+  */
+
+  if (argc < 7)
+  {
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+    sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+
+    sigemptyset(&action.sa_mask);
+    action.sa_handler = SIG_IGN;
+    sigaction(SIGTERM, &action, NULL);
+#else
+    signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+  }
+
+ /*
+  * Finally, send the print file...
+  */
+
+  while (copies > 0)
+  {
+    copies --;
+
+    if (fp != stdin)
+    {
+      fputs("PAGE: 1 1\n", stderr);
+      rewind(fp);
+    }
+
+    tbytes = 0;
+    while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+    {
+     /*
+      * Write the print data to the printer...
+      */
+
+      tbytes += nbytes;
+      bufptr = buffer;
+
+      while (nbytes > 0)
+      {
+	if ((wbytes = write(fd, bufptr, nbytes)) < 0)
+	  if (errno == ENOTTY)
+	    wbytes = write(fd, bufptr, nbytes);
+
+	if (wbytes < 0)
+	{
+	  perror("ERROR: Unable to send print file to printer");
+	  break;
+	}
+
+	nbytes -= wbytes;
+	bufptr += wbytes;
+      }
+
+      if (argc > 6)
+	fprintf(stderr, "INFO: Sending print file, %u bytes...\n", tbytes);
+    }
+  }
+
+ /*
+  * Close the socket connection and input file and return...
+  */
+
+  close(fd);
+  if (fp != stdin)
+    fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * 'list_devices()' - List all parallel devices.
+ */
+
+void
+list_devices(void)
+{
+#if defined(__hpux) || defined(__sgi) || defined(__sun)
+  static char	*funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz";
+				/* Funky hex numbering used for some devices */
+#endif /* __hpux || __sgi || __sun */
+
+#ifdef __linux
+  int	i;			/* Looping var */
+  int	fd;			/* File descriptor */
+  char	device[255],		/* Device filename */
+	probefile[255],		/* Probe filename */
+	basedevice[255];	/* Base device filename for ports */
+  FILE	*probe;			/* /proc/parport/n/autoprobe file */
+  char	line[1024],		/* Line from file */
+	*delim,			/* Delimiter in file */
+	make[IPP_MAX_NAME],	/* Make from file */
+	model[IPP_MAX_NAME];	/* Model from file */
+
+
+  for (i = 0; i < 4; i ++)
+  {
+   /*
+    * First open the device to make sure the driver module is loaded...
+    */
+
+    if ((fd = open("/dev/parallel/0", O_WRONLY)) >= 0)
+    {
+      close(fd);
+      strcpy(basedevice, "/dev/parallel/");
+    }
+    else
+    {
+      sprintf(device, "/dev/lp%d", i);
+      if ((fd = open(device, O_WRONLY)) >= 0)
+      {
+	close(fd);
+	strcpy(basedevice, "/dev/lp");
+      }
+      else
+      {
+	sprintf(device, "/dev/par%d", i);
+	if ((fd = open(device, O_WRONLY)) >= 0)
+	{
+	  close(fd);
+	  strcpy(basedevice, "/dev/par");
+	}
+	else
+	  strcpy(basedevice, "/dev/unknown-parallel");
+      }
+    }
+
+   /*
+    * Then try looking at the probe file...
+    */
+
+    sprintf(probefile, "/proc/parport/%d/autoprobe", i);
+    if ((probe = fopen(probefile, "r")) == NULL)
+    {
+     /*
+      * Linux 2.4 kernel has different path...
+      */
+
+      sprintf(probefile, "/proc/sys/dev/parport/parport%d/autoprobe", i);
+      probe = fopen(probefile, "r");
+    }
+
+    if (probe != NULL)
+    {
+     /*
+      * Found a probe file!
+      */
+
+      memset(make, 0, sizeof(make));
+      memset(model, 0, sizeof(model));
+      strcpy(model, "Unknown");
+
+      while (fgets(line, sizeof(line), probe) != NULL)
+      {
+       /*
+        * Strip trailing ; and/or newline.
+	*/
+
+        if ((delim = strrchr(line, ';')) != NULL)
+	  *delim = '\0';
+	else if ((delim = strrchr(line, '\n')) != NULL)
+	  *delim = '\0';
+
+       /*
+        * Look for MODEL and MANUFACTURER lines...
+	*/
+
+        if (strncmp(line, "MODEL:", 6) == 0 &&
+	    strncmp(line, "MODEL:Unknown", 13) != 0)
+	  strncpy(model, line + 6, sizeof(model) - 1);
+	else if (strncmp(line, "MANUFACTURER:", 13) == 0 &&
+	         strncmp(line, "MANUFACTURER:Unknown", 20) != 0)
+	  strncpy(make, line + 13, sizeof(make) - 1);
+      }
+
+      fclose(probe);
+
+      if (make[0])
+	printf("direct parallel:%s%d \"%s %s\" \"Parallel Port #%d\"\n",
+	       basedevice, i, make, model, i + 1);
+      else
+	printf("direct parallel:%s%d \"%s\" \"Parallel Port #%d\"\n",
+	       basedevice, i, model, i + 1);
+    }
+    else if (fd >= 0)
+    {
+     /*
+      * No probe file, but we know the port is there...
+      */
+
+      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
+    }
+  }
+#elif defined(__sgi)
+  int		i, j, n;	/* Looping vars */
+  char		device[255];	/* Device filename */
+  inventory_t	*inv;		/* Hardware inventory info */
+
+
+ /*
+  * IRIX maintains a hardware inventory of most devices...
+  */
+
+  setinvent();
+
+  while ((inv = getinvent()) != NULL)
+  {
+    if (inv->inv_class == INV_PARALLEL &&
+        (inv->inv_type == INV_ONBOARD_PLP ||
+         inv->inv_type == INV_EPP_ECP_PLP))
+    {
+     /*
+      * Standard parallel port...
+      */
+
+      puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\"");
+    }
+    else if (inv->inv_class == INV_PARALLEL &&
+             inv->inv_type == INV_EPC_PLP)
+    {
+     /*
+      * EPC parallel port...
+      */
+
+      printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n",
+             inv->inv_controller, inv->inv_controller);
+    }
+  }
+
+  endinvent();
+
+ /*
+  * Central Data makes serial and parallel "servers" that can be
+  * connected in a number of ways.  Look for ports...
+  */
+
+  for (i = 0; i < 10; i ++)
+    for (j = 0; j < 8; j ++)
+      for (n = 0; n < 32; n ++)
+      {
+        if (i == 8)		/* EtherLite */
+          sprintf(device, "/dev/lpn%d%c", j, funky_hex[n]);
+        else if (i == 9)	/* PCI */
+          sprintf(device, "/dev/lpp%d%c", j, funky_hex[n]);
+        else			/* SCSI */
+          sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]);
+
+	if (access(device, 0) == 0)
+	{
+	  if (i == 8)
+	    printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
+	           device, j, n);
+	  else if (i == 9)
+	    printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n",
+	           device, j, n);
+  	  else
+	    printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
+	           device, i, j, n);
+	}
+      }
+#elif defined(__sun)
+  int		i, j, n;	/* Looping vars */
+  char		device[255];	/* Device filename */
+
+
+ /*
+  * Standard parallel ports...
+  */
+
+  for (i = 0; i < 10; i ++)
+  {
+    sprintf(device, "/dev/ecpp%d", i);
+    if (access(device, 0) == 0)
+      printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n",
+             device, i + 1);
+  }
+
+  for (i = 0; i < 10; i ++)
+  {
+    sprintf(device, "/dev/bpp%d", i);
+    if (access(device, 0) == 0)
+      printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n",
+             device, i + 1);
+  }
+
+  for (i = 0; i < 3; i ++)
+  {
+    sprintf(device, "/dev/lp%d", i);
+
+    if (access(device, 0) == 0)
+      printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n",
+             device, i + 1);
+  }
+
+ /*
+  * MAGMA parallel ports...
+  */
+
+  for (i = 0; i < 40; i ++)
+  {
+    sprintf(device, "/dev/pm%02d", i);
+    if (access(device, 0) == 0)
+      printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n",
+             device, (i / 10) + 1, (i % 10) + 1);
+  }
+
+ /*
+  * Central Data parallel ports...
+  */
+
+  for (i = 0; i < 9; i ++)
+    for (j = 0; j < 8; j ++)
+      for (n = 0; n < 32; n ++)
+      {
+        if (i == 8)	/* EtherLite */
+          sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]);
+        else
+          sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j,
+                  funky_hex[n]);
+
+	if (access(device, 0) == 0)
+	{
+	  if (i == 8)
+	    printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
+	           device, j, n);
+  	  else
+	    printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
+	           device, i, j, n);
+	}
+      }
+#elif defined(__hpux)
+  int		i, j, n;	/* Looping vars */
+  char		device[255];	/* Device filename */
+
+
+ /*
+  * Standard parallel ports...
+  */
+
+  if (access("/dev/rlp", 0) == 0)
+    puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\"");
+
+  for (i = 0; i < 7; i ++)
+    for (j = 0; j < 7; j ++)
+    {
+      sprintf(device, "/dev/c%dt%dd0_lp", i, j);
+      if (access(device, 0) == 0)
+	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n",
+	       device, i, j);
+    }
+
+ /*
+  * Central Data parallel ports...
+  */
+
+  for (i = 0; i < 9; i ++)
+    for (j = 0; j < 8; j ++)
+      for (n = 0; n < 32; n ++)
+      {
+        if (i == 8)	/* EtherLite */
+          sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]);
+        else
+          sprintf(device, "/dev/lp%c%d%c", i + 'C', j,
+                  funky_hex[n]);
+
+	if (access(device, 0) == 0)
+	{
+	  if (i == 8)
+	    printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
+	           device, j, n);
+  	  else
+	    printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
+	           device, i, j, n);
+	}
+      }
+#elif defined(__osf__)
+  int	i;			/* Looping var */
+  int	fd;			/* File descriptor */
+  char	device[255];		/* Device filename */
+
+
+  for (i = 0; i < 3; i ++)
+  {
+    sprintf(device, "/dev/lp%d", i);
+    if ((fd = open(device, O_WRONLY)) >= 0)
+    {
+      close(fd);
+      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
+    }
+  }
+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+  int	i;			/* Looping var */
+  int	fd;			/* File descriptor */
+  char	device[255];		/* Device filename */
+
+
+  for (i = 0; i < 3; i ++)
+  {
+    sprintf(device, "/dev/lpt%d", i);
+    if ((fd = open(device, O_WRONLY)) >= 0)
+    {
+      close(fd);
+      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1);
+    }
+
+    sprintf(device, "/dev/lpa%d", i);
+    if ((fd = open(device, O_WRONLY)) >= 0)
+    {
+      close(fd);
+      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1);
+    }
+  }
+#elif defined(_AIX)
+  int	i;			/* Looping var */
+  int	fd;			/* File descriptor */
+  char	device[255];		/* Device filename */
+
+
+  for (i = 0; i < 8; i ++)
+  {
+    sprintf(device, "/dev/lp%d", i);
+    if ((fd = open(device, O_WRONLY)) >= 0)
+    {
+      close(fd);
+      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
+    }
+  }
+#endif
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/backend/serial.c b/backend/serial.c
new file mode 100644
index 000000000..6e510ae45
--- /dev/null
+++ b/backend/serial.c
@@ -0,0 +1,867 @@
+/*
+ * "$Id$"
+ *
+ *   Serial port backend for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()         - Send a file to the printer or server.
+ *   list_devices() - List all serial devices.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/cups.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <cups/string.h>
+#include <signal.h>
+
+#ifdef __hpux
+#  include <sys/modem.h>
+#endif /* __hpux */
+
+#ifdef WIN32
+#  include <io.h>
+#else
+#  include <unistd.h>
+#  include <fcntl.h>
+#  include <termios.h>
+#  ifdef HAVE_SYS_IOCTL_H
+#    include <sys/ioctl.h>
+#  endif /* HAVE_SYS_IOCTL_H */
+#endif /* WIN32 */
+
+#ifdef __sgi
+#  include <invent.h>
+#  ifndef INV_EPP_ECP_PLP
+#    define INV_EPP_ECP_PLP	6	/* From 6.3/6.4/6.5 sys/invent.h */
+#    define INV_ASO_SERIAL	14	/* serial portion of SGI ASO board */
+#    define INV_IOC3_DMA	16	/* DMA mode IOC3 serial */
+#    define INV_IOC3_PIO	17	/* PIO mode IOC3 serial */
+#    define INV_ISA_DMA		19	/* DMA mode ISA serial -- O2 */
+#  endif /* !INV_EPP_ECP_PLP */
+#endif /* __sgi */
+
+#ifndef CRTSCTS
+#  ifdef CNEW_RTSCTS
+#    define CRTSCTS CNEW_RTSCTS
+#  else
+#    define CRTSCTS 0
+#  endif /* CNEW_RTSCTS */
+#endif /* !CRTSCTS */
+
+
+/*
+ * Local functions...
+ */
+
+void	list_devices(void);
+
+
+/*
+ * 'main()' - Send a file to the printer or server.
+ *
+ * Usage:
+ *
+ *    printer-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  char		method[255],	/* Method in URI */
+		hostname[1024],	/* Hostname */
+		username[255],	/* Username info (not used) */
+		resource[1024],	/* Resource info (device and options) */
+		*options,	/* Pointer to options */
+		name[255],	/* Name of option */
+		value[255],	/* Value of option */
+		*ptr;		/* Pointer into name or value */
+  int		port;		/* Port number (not used) */
+  FILE		*fp;		/* Print file */
+  int		copies;		/* Number of copies to print */
+  int		fd;		/* Parallel device */
+  int		wbytes;		/* Number of bytes written */
+  size_t	nbytes,		/* Number of bytes read */
+		tbytes;		/* Total number of bytes written */
+  int		dtrdsr;		/* Do dtr/dsr flow control? */
+  int		bufsize;	/* Size of output buffer for writes */
+  char		buffer[8192],	/* Output buffer */
+		*bufptr;	/* Pointer into buffer */
+  struct termios opts;		/* Serial port options */
+  struct termios origopts;	/* Original port options */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc == 1)
+  {
+    list_devices();
+    return (0);
+  }
+  else if (argc < 6 || argc > 7)
+  {
+    fputs("Usage: serial job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+  {
+    fp     = stdin;
+    copies = 1;
+  }
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      perror("ERROR: unable to open print file");
+      return (1);
+    }
+
+    copies = atoi(argv[4]);
+  }
+
+ /*
+  * Extract the device name and options from the URI...
+  */
+
+  httpSeparate(argv[0], method, username, hostname, &port, resource);
+
+ /*
+  * See if there are any options...
+  */
+
+  if ((options = strchr(resource, '?')) != NULL)
+  {
+   /*
+    * Yup, terminate the device name string and move to the first
+    * character of the options...
+    */
+
+    *options++ = '\0';
+  }
+
+ /*
+  * Open the serial port device...
+  */
+
+  do
+  {
+    if ((fd = open(resource, O_WRONLY | O_NOCTTY | O_EXCL | O_NDELAY)) == -1)
+    {
+      if (errno == EBUSY)
+      {
+        fputs("INFO: Serial port busy; will retry in 30 seconds...\n", stderr);
+	sleep(30);
+      }
+      else
+      {
+	fprintf(stderr, "ERROR: Unable to open serial port device file \"%s\": %s\n",
+	        resource, strerror(errno));
+	return (1);
+      }
+    }
+  }
+  while (fd < 0);
+
+ /*
+  * Set any options provided...
+  */
+
+  tcgetattr(fd, &origopts);
+  tcgetattr(fd, &opts);
+
+  opts.c_lflag &= ~(ICANON | ECHO | ISIG);	/* Raw mode */
+  opts.c_oflag &= ~OPOST;			/* Don't post-process */
+
+  bufsize = 96;		/* 9600 baud / 10 bits/char / 10Hz */
+  dtrdsr  = 0;		/* No dtr/dsr flow control */
+
+  if (options != NULL)
+    while (*options)
+    {
+     /*
+      * Get the name...
+      */
+
+      for (ptr = name; *options && *options != '=';)
+        *ptr++ = *options++;
+      *ptr = '\0';
+
+      if (*options == '=')
+      {
+       /*
+        * Get the value...
+	*/
+
+        options ++;
+
+	for (ptr = value; *options && *options != '+';)
+          *ptr++ = *options++;
+	*ptr = '\0';
+
+	if (*options == '+')
+	  options ++;
+      }
+      else
+        value[0] = '\0';
+
+     /*
+      * Process the option...
+      */
+
+      if (strcasecmp(name, "baud") == 0)
+      {
+       /*
+        * Set the baud rate...
+	*/
+
+        bufsize = atoi(value) / 100;
+
+#if B19200 == 19200
+        cfsetispeed(&opts, atoi(value));
+	cfsetospeed(&opts, atoi(value));
+#else
+        switch (atoi(value))
+	{
+	  case 1200 :
+	      cfsetispeed(&opts, B1200);
+	      cfsetospeed(&opts, B1200);
+	      break;
+	  case 2400 :
+	      cfsetispeed(&opts, B2400);
+	      cfsetospeed(&opts, B2400);
+	      break;
+	  case 4800 :
+	      cfsetispeed(&opts, B4800);
+	      cfsetospeed(&opts, B4800);
+	      break;
+	  case 9600 :
+	      cfsetispeed(&opts, B9600);
+	      cfsetospeed(&opts, B9600);
+	      break;
+	  case 19200 :
+	      cfsetispeed(&opts, B19200);
+	      cfsetospeed(&opts, B19200);
+	      break;
+	  case 38400 :
+	      cfsetispeed(&opts, B38400);
+	      cfsetospeed(&opts, B38400);
+	      break;
+#ifdef B57600
+	  case 57600 :
+	      cfsetispeed(&opts, B57600);
+	      cfsetospeed(&opts, B57600);
+	      break;
+#endif /* B57600 */
+#ifdef B115200
+	  case 115200 :
+	      cfsetispeed(&opts, B115200);
+	      cfsetospeed(&opts, B115200);
+	      break;
+#endif /* B115200 */
+          default :
+	      fprintf(stderr, "WARNING: Unsupported baud rate %s!\n", value);
+	      break;
+	}
+#endif /* B19200 == 19200 */
+      }
+      else if (strcasecmp(name, "bits") == 0)
+      {
+       /*
+        * Set number of data bits...
+	*/
+
+        switch (atoi(value))
+	{
+	  case 7 :
+	      opts.c_cflag &= ~CSIZE;
+              opts.c_cflag |= CS7;
+	      opts.c_cflag |= PARENB;
+              opts.c_cflag &= ~PARODD;
+              break;
+	  case 8 :
+	      opts.c_cflag &= ~CSIZE;
+              opts.c_cflag |= CS8;
+	      opts.c_cflag &= ~PARENB;
+	      break;
+	}
+      }
+      else if (strcasecmp(name, "parity") == 0)
+      {
+       /*
+	* Set parity checking...
+	*/
+
+	if (strcasecmp(value, "even") == 0)
+	{
+	  opts.c_cflag |= PARENB;
+          opts.c_cflag &= ~PARODD;
+	}
+	else if (strcasecmp(value, "odd") == 0)
+	{
+	  opts.c_cflag |= PARENB;
+          opts.c_cflag |= PARODD;
+	}
+	else if (strcasecmp(value, "none") == 0)
+	  opts.c_cflag &= ~PARENB;
+      }
+      else if (strcasecmp(name, "flow") == 0)
+      {
+       /*
+	* Set flow control...
+	*/
+
+	if (strcasecmp(value, "none") == 0)
+	{
+	  opts.c_iflag &= ~(IXON | IXOFF | IXANY);
+          opts.c_cflag &= ~CRTSCTS;
+	}
+	else if (strcasecmp(value, "soft") == 0)
+	{
+	  opts.c_iflag |= IXON | IXOFF | IXANY;
+          opts.c_cflag &= ~CRTSCTS;
+	}
+	else if (strcasecmp(value, "hard") == 0 ||
+	         strcasecmp(value, "rtscts") == 0)
+        {
+	  opts.c_iflag &= ~(IXON | IXOFF | IXANY);
+          opts.c_cflag |= CRTSCTS;
+	}
+	else if (strcasecmp(value, "dtrdsr") == 0)
+	{
+	  opts.c_iflag &= ~(IXON | IXOFF | IXANY);
+          opts.c_cflag &= ~CRTSCTS;
+
+	  dtrdsr = 1;
+	}
+      }
+    }
+
+  tcsetattr(fd, TCSANOW, &opts);
+  fcntl(fd, F_SETFL, 0);
+
+ /*
+  * Now that we are "connected" to the port, ignore SIGTERM so that we
+  * can finish out any page data the driver sends (e.g. to eject the
+  * current page...  Only ignore SIGTERM if we are printing data from
+  * stdin (otherwise you can't cancel raw jobs...)
+  */
+
+  if (argc < 7)
+  {
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+    sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+
+    sigemptyset(&action.sa_mask);
+    action.sa_handler = SIG_IGN;
+    sigaction(SIGTERM, &action, NULL);
+#else
+    signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+  }
+
+ /*
+  * Finally, send the print file...
+  */
+
+  if (bufsize > sizeof(buffer))
+    bufsize = sizeof(buffer);
+
+  while (copies > 0)
+  {
+    copies --;
+
+    if (fp != stdin)
+    {
+      fputs("PAGE: 1 1\n", stderr);
+      rewind(fp);
+    }
+
+    if (dtrdsr)
+    {
+     /*
+      * Check the port and sleep until DSR is set...
+      */
+
+      int status;
+
+
+      if (!ioctl(fd, TIOCMGET, &status))
+        if (!(status & TIOCM_DSR))
+	{
+	 /*
+	  * Wait for DSR to go high...
+	  */
+
+	  fputs("DEBUG: DSR is low; waiting for device...\n", stderr);
+
+          do
+	  {
+	    sleep(1);
+	    if (ioctl(fd, TIOCMGET, &status))
+	      break;
+	  }
+	  while (!(status & TIOCM_DSR));
+
+	  fputs("DEBUG: DSR is high; writing to device...\n", stderr);
+        }
+    }
+
+    tbytes = 0;
+    while ((nbytes = fread(buffer, 1, bufsize, fp)) > 0)
+    {
+     /*
+      * Write the print data to the printer...
+      */
+
+      tbytes += nbytes;
+      bufptr = buffer;
+
+      while (nbytes > 0)
+      {
+	if ((wbytes = write(fd, bufptr, nbytes)) < 0)
+	  if (errno == ENOTTY)
+	    wbytes = write(fd, bufptr, nbytes);
+
+	if (wbytes < 0)
+	{
+	  perror("ERROR: Unable to send print file to printer");
+	  break;
+	}
+
+	nbytes -= wbytes;
+	bufptr += wbytes;
+      }
+
+      if (argc > 6)
+	fprintf(stderr, "INFO: Sending print file, %u bytes...\n", tbytes);
+    }
+  }
+
+ /*
+  * Close the serial port and input file and return...
+  */
+
+  tcsetattr(fd, TCSADRAIN, &origopts);
+
+  close(fd);
+  if (fp != stdin)
+    fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * 'list_devices()' - List all serial devices.
+ */
+
+void
+list_devices(void)
+{
+#if defined(__hpux) || defined(__sgi) || defined(__sun) || defined(__FreeBSD__) || defined(__OpenBSD__)
+  static char	*funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz";
+				/* Funky hex numbering used for some devices */
+#endif /* __hpux || __sgi || __sun || __FreeBSD__ || __OpenBSD__ */
+
+#ifdef __linux
+  int	i;		/* Looping var */
+  int	fd;		/* File descriptor */
+  char	device[255];	/* Device filename */
+
+
+  for (i = 0; i < 100; i ++)
+  {
+    sprintf(device, "/dev/ttyS%d", i);
+    if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+    {
+      close(fd);
+      printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n",
+             device, i + 1);
+    }
+  }
+#elif defined(__sgi)
+  int		i, j, n;	/* Looping vars */
+  char		device[255];	/* Device filename */
+  inventory_t	*inv;		/* Hardware inventory info */
+
+
+ /*
+  * IRIX maintains a hardware inventory of most devices...
+  */
+
+  setinvent();
+
+  while ((inv = getinvent()) != NULL)
+  {
+    if (inv->inv_class == INV_SERIAL)
+    {
+     /*
+      * Some sort of serial port...
+      */
+
+      if (inv->inv_type == INV_CDSIO || inv->inv_type == INV_CDSIO_E)
+      {
+       /*
+        * CDSIO port...
+        */
+
+	for (n = 0; n < 6; n ++)
+	  printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"CDSIO Board %d Serial Port #%d\"\n",
+        	 n + 5 + 8 * inv->inv_controller, inv->inv_controller, n + 1);
+      }
+      else if (inv->inv_type == INV_EPC_SERIAL)
+      {
+       /*
+        * Everest serial port...
+        */
+
+	if (inv->inv_unit == 0)
+          i = 1;
+	else
+          i = 41 + 4 * (int)inv->inv_controller;
+
+	for (n = 0; n < (int)inv->inv_state; n ++)
+	  printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"EPC Serial Port %d, Ebus slot %d\"\n",
+        	 n + i, n + 1, (int)inv->inv_controller);
+      }
+      else if (inv->inv_state > 1)
+      {
+       /*
+        * Standard serial port under IRIX 6.4 and earlier...
+        */
+
+	for (n = 0; n < (int)inv->inv_state; n ++)
+	  printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"Onboard Serial Port %d\"\n",
+        	 n + (int)inv->inv_unit + 1, n + (int)inv->inv_unit + 1);
+      }
+      else
+      {
+       /*
+        * Standard serial port under IRIX 6.5 and beyond...
+        */
+
+	printf("serial serial:/dev/ttyd%d?baud=115200 \"Unknown\" \"Onboard Serial Port %d\"\n",
+               (int)inv->inv_controller, (int)inv->inv_controller);
+      }
+    }
+  }
+
+  endinvent();
+
+ /*
+  * Central Data makes serial and parallel "servers" that can be
+  * connected in a number of ways.  Look for ports...
+  */
+
+  for (i = 0; i < 10; i ++)
+    for (j = 0; j < 8; j ++)
+      for (n = 0; n < 32; n ++)
+      {
+        if (i == 8)		/* EtherLite */
+          sprintf(device, "/dev/ttydn%d%c", j, funky_hex[n]);
+        else if (i == 9)	/* PCI */
+          sprintf(device, "/dev/ttydp%d%c", j, funky_hex[n]);
+        else			/* SCSI */
+          sprintf(device, "/dev/ttyd%d%d%c", i, j, funky_hex[n]);
+
+	if (access(device, 0) == 0)
+	{
+	  if (i == 8)
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
+  	           device, j, n);
+	  else if (i == 9)
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data PCI Serial Port, ID %d, port %d\"\n",
+  	           device, j, n);
+  	  else
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
+  	           device, i, j, n);
+	}
+      }
+#elif defined(__sun)
+  int		i, j, n;	/* Looping vars */
+  char		device[255];	/* Device filename */
+
+
+ /*
+  * Standard serial ports...
+  */
+
+  for (i = 0; i < 26; i ++)
+  {
+    sprintf(device, "/dev/cua/%c", 'a' + i);
+    if (access(device, 0) == 0)
+#ifdef B115200
+      printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n",
+             device, i + 1);
+#else
+      printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
+             device, i + 1);
+#endif /* B115200 */
+  }
+
+ /*
+  * MAGMA serial ports...
+  */
+
+  for (i = 0; i < 40; i ++)
+  {
+    sprintf(device, "/dev/term/%02d", i);
+    if (access(device, 0) == 0)
+      printf("serial serial:%s?baud=38400 \"Unknown\" \"MAGMA Serial Board #%d Port #%d\"\n",
+             device, (i / 10) + 1, (i % 10) + 1);
+  }
+
+ /*
+  * Central Data serial ports...
+  */
+
+  for (i = 0; i < 9; i ++)
+    for (j = 0; j < 8; j ++)
+      for (n = 0; n < 32; n ++)
+      {
+        if (i == 8)	/* EtherLite */
+          sprintf(device, "/dev/sts/ttyN%d%c", j, funky_hex[n]);
+        else
+          sprintf(device, "/dev/sts/tty%c%d%c", i + 'C', j,
+                  funky_hex[n]);
+
+	if (access(device, 0) == 0)
+	{
+	  if (i == 8)
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
+  	           device, j, n);
+  	  else
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
+  	           device, i, j, n);
+	}
+      }
+#elif defined(__hpux)
+  int		i, j, n;	/* Looping vars */
+  char		device[255];	/* Device filename */
+
+
+ /*
+  * Standard serial ports...
+  */
+
+  for (i = 0; i < 10; i ++)
+  {
+    sprintf(device, "/dev/tty%dp0", i);
+    if (access(device, 0) == 0)
+      printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
+             device, i + 1);
+  }
+
+ /*
+  * Central Data serial ports...
+  */
+
+  for (i = 0; i < 9; i ++)
+    for (j = 0; j < 8; j ++)
+      for (n = 0; n < 32; n ++)
+      {
+        if (i == 8)	/* EtherLite */
+          sprintf(device, "/dev/ttyN%d%c", j, funky_hex[n]);
+        else
+          sprintf(device, "/dev/tty%c%d%c", i + 'C', j,
+                  funky_hex[n]);
+
+	if (access(device, 0) == 0)
+	{
+	  if (i == 8)
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
+  	           device, j, n);
+  	  else
+	    printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
+  	           device, i, j, n);
+	}
+      }
+#elif defined(__osf__)
+  int		i;		/* Looping var */
+  char		device[255];	/* Device filename */
+
+
+ /*
+  * Standard serial ports...
+  */
+
+  for (i = 0; i < 100; i ++)
+  {
+    sprintf(device, "/dev/tty%02d", i);
+    if (access(device, 0) == 0)
+      printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
+             device, i + 1);
+  }
+#elif defined(__FreeBSD__) || defined(__OpenBSD__)
+  int	i, j;		/* Looping vars */
+  int	fd;		/* File descriptor */
+  char	device[255];	/* Device filename */
+
+
+ /*
+  * SIO ports...
+  */
+
+  for (i = 0; i < 32; i ++)
+  {
+    sprintf(device, "/dev/ttyd%c", funky_hex[i]);
+    if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+    {
+      close(fd);
+      printf("serial serial:%s?baud=115200 \"Unknown\" \"Standard Serial Port #%d\"\n",
+             device, i + 1);
+    }
+  }
+
+ /*
+  * Cyclades ports...
+  */
+
+  for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */
+    for (j = 0; j < 32; j ++)
+    {
+      sprintf(device, "/dev/ttyc%d%c", i, funky_hex[j]);
+      if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+      {
+	close(fd);
+	printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n",
+               device, i, j + 1);
+      }
+    }
+
+ /*
+  * Digiboard ports...
+  */
+
+  for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */
+    for (j = 0; j < 32; j ++)
+    {
+      sprintf(device, "/dev/ttyD%d%c", i, funky_hex[j]);
+      if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+      {
+	close(fd);
+	printf("serial serial:%s?baud=115200 \"Unknown\" \"Digiboard #%d Serial Port #%d\"\n",
+               device, i, j + 1);
+      }
+    }
+
+ /*
+  * Stallion ports...
+  */
+
+  for (i = 0; i < 32; i ++)
+  {
+    sprintf(device, "/dev/ttyE%c", funky_hex[i]);
+    if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+    {
+      close(fd);
+      printf("serial serial:%s?baud=115200 \"Unknown\" \"Stallion Serial Port #%d\"\n",
+             device, i + 1);
+    }
+  }
+
+ /*
+  * SX ports...
+  */
+
+  for (i = 0; i < 128; i ++)
+  {
+    sprintf(device, "/dev/ttyA%d", i + 1);
+    if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+    {
+      close(fd);
+      printf("serial serial:%s?baud=115200 \"Unknown\" \"SX Serial Port #%d\"\n",
+             device, i + 1);
+    }
+  }
+#elif defined(__NetBSD__)
+  int	i, j;		/* Looping vars */
+  int	fd;		/* File descriptor */
+  char	device[255];	/* Device filename */
+
+
+ /*
+  * Standard serial ports...
+  */
+
+  for (i = 0; i < 4; i ++)
+  {
+    sprintf(device, "/dev/tty%02d", i);
+    if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+    {
+      close(fd);
+      printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n",
+             device, i + 1);
+    }
+  }
+
+ /*
+  * Cyclades-Z ports...
+  */
+
+  for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */
+    for (j = 0; j < 64; j ++)
+    {
+      sprintf(device, "/dev/ttyCZ%02d%02d", i, j);
+      if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
+      {
+	close(fd);
+	printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Prt #%d\"\n",
+	       device, i, j + 1);
+      }
+    }
+
+#endif
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/backend/socket.c b/backend/socket.c
new file mode 100644
index 000000000..403ac6707
--- /dev/null
+++ b/backend/socket.c
@@ -0,0 +1,347 @@
+/*
+ * "$Id$"
+ *
+ *   AppSocket backend for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Send a file to the printer or server.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/cups.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <cups/string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <signal.h>
+
+#ifdef WIN32
+#  include <winsock.h>
+#else
+#  include <sys/socket.h>
+#  include <netinet/in.h>
+#  include <arpa/inet.h>
+#  include <netdb.h>
+#endif /* WIN32 */
+
+
+/*
+ * 'main()' - Send a file to the printer or server.
+ *
+ * Usage:
+ *
+ *    printer-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  char		method[255],	/* Method in URI */
+		hostname[1024],	/* Hostname */
+		username[255],	/* Username info (not used) */
+		resource[1024];	/* Resource info (not used) */
+  FILE		*fp;		/* Print file */
+  int		copies;		/* Number of copies to print */
+  int		port;		/* Port number */
+  int		delay;		/* Delay for retries... */
+  int		fd;		/* AppSocket */
+  int		error;		/* Error code (if any) */
+  struct sockaddr_in addr;	/* Socket address */
+  struct hostent *hostaddr;	/* Host address */
+  int		wbytes;		/* Number of bytes written */
+  size_t	nbytes,		/* Number of bytes read */
+		tbytes;		/* Total number of bytes written */
+  char		buffer[8192],	/* Output buffer */
+		*bufptr;	/* Pointer into buffer */
+  struct timeval timeout;	/* Timeout for select() */
+  fd_set	input;		/* Input set for select() */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc == 1)
+  {
+    puts("network socket \"Unknown\" \"AppSocket/HP JetDirect\"");
+    return (0);
+  }
+  else if (argc < 6 || argc > 7)
+  {
+    fprintf(stderr, "Usage: %s job-id user title copies options [file]\n",
+            argv[0]);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+  {
+    fp     = stdin;
+    copies = 1;
+  }
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      perror("ERROR: unable to open print file");
+      return (1);
+    }
+
+    copies = atoi(argv[4]);
+  }
+
+ /*
+  * Extract the hostname and port number from the URI...
+  */
+
+  httpSeparate(argv[0], method, username, hostname, &port, resource);
+
+  if (port == 0)
+    port = 9100;	/* Default to HP JetDirect/Tektronix PhaserShare */
+
+ /*
+  * Then try to connect to the remote host...
+  */
+
+  if ((hostaddr = httpGetHostByName(hostname)) == NULL)
+  {
+    fprintf(stderr, "ERROR: Unable to locate printer \'%s\' - %s\n",
+            hostname, strerror(errno));
+    return (1);
+  }
+
+  fprintf(stderr, "INFO: Attempting to connect to host %s on port %d\n",
+          hostname, port);
+
+  memset(&addr, 0, sizeof(addr));
+  memcpy(&(addr.sin_addr), hostaddr->h_addr, hostaddr->h_length);
+  addr.sin_family = hostaddr->h_addrtype;
+  addr.sin_port   = htons(port);
+
+  while (copies > 0)
+  {
+    for (delay = 5;;)
+    {
+      if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+      {
+	perror("ERROR: Unable to create socket");
+	return (1);
+      }
+
+      if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+      {
+	error = errno;
+	close(fd);
+	fd = -1;
+
+	if (error == ECONNREFUSED)
+	{
+	  fprintf(stderr, "INFO: Network host \'%s\' is busy; will retry in %d seconds...\n",
+                  hostname, delay);
+	  sleep(delay);
+
+	  if (delay < 30)
+	    delay += 5;
+	}
+	else
+	{
+	  perror("ERROR: Unable to connect to printer (retrying in 30 seconds)");
+	  sleep(30);
+	}
+      }
+      else
+	break;
+    }
+
+   /*
+    * Now that we are "connected" to the port, ignore SIGTERM so that we
+    * can finish out any page data the driver sends (e.g. to eject the
+    * current page...  Only ignore SIGTERM if we are printing data from
+    * stdin (otherwise you can't cancel raw jobs...)
+    */
+
+    if (argc < 7)
+    {
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+      sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+      memset(&action, 0, sizeof(action));
+
+      sigemptyset(&action.sa_mask);
+      action.sa_handler = SIG_IGN;
+      sigaction(SIGTERM, &action, NULL);
+#else
+      signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+    }
+
+   /*
+    * Finally, send the print file...
+    */
+
+    copies --;
+
+    if (fp != stdin)
+    {
+      fputs("PAGE: 1 1\n", stderr);
+      rewind(fp);
+    }
+
+    fputs("INFO: Connected to host, sending print job...\n", stderr);
+
+    tbytes = 0;
+    while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+    {
+     /*
+      * Write the print data to the printer...
+      */
+
+      tbytes += nbytes;
+      bufptr = buffer;
+
+      while (nbytes > 0)
+      {
+	if ((wbytes = send(fd, bufptr, nbytes, 0)) < 0)
+	{
+	  perror("ERROR: Unable to send print file to printer");
+	  break;
+	}
+
+	nbytes -= wbytes;
+	bufptr += wbytes;
+      }
+
+     /*
+      * Check for possible data coming back from the printer...
+      */
+
+      timeout.tv_sec  = 0;
+      timeout.tv_usec = 0;
+
+      FD_ZERO(&input);
+      FD_SET(fd, &input);
+#ifdef __hpux
+      if (select(fd + 1, (int *)&input, NULL, NULL, &timeout) > 0)
+#else
+      if (select(fd + 1, &input, NULL, NULL, &timeout) > 0)
+#endif /* __hpux */
+      {
+       /*
+	* Grab the data coming back and spit it out to stderr...
+	*/
+
+	if ((nbytes = recv(fd, buffer, sizeof(buffer), 0)) > 0)
+	  fprintf(stderr, "INFO: Received %u bytes of back-channel data!\n",
+	          nbytes);
+      }
+      else if (argc > 6)
+	fprintf(stderr, "INFO: Sending print file, %u bytes...\n", tbytes);
+    }
+
+   /*
+    * Shutdown the socket and wait for the other end to finish...
+    */
+
+    fputs("INFO: Print file sent, waiting for printer to finish...\n", stderr);
+
+    shutdown(fd, 1);
+
+    for (;;)
+    {
+     /*
+      * Wait a maximum of 90 seconds for backchannel data or a closed
+      * connection...
+      */
+
+      timeout.tv_sec  = 90;
+      timeout.tv_usec = 0;
+
+      FD_ZERO(&input);
+      FD_SET(fd, &input);
+
+#ifdef __hpux
+      if (select(fd + 1, (int *)&input, NULL, NULL, &timeout) > 0)
+#else
+      if (select(fd + 1, &input, NULL, NULL, &timeout) > 0)
+#endif /* __hpux */
+      {
+       /*
+	* Grab the data coming back and spit it out to stderr...
+	*/
+
+	if ((nbytes = recv(fd, buffer, sizeof(buffer), 0)) > 0)
+	  fprintf(stderr, "INFO: Received %u bytes of back-channel data!\n",
+	          nbytes);
+        else
+	  break;
+      }
+      else
+        break;
+    }
+
+   /*
+    * Close the socket connection...
+    */
+
+    close(fd);
+  }
+
+ /*
+  * Close the input file and return...
+  */
+
+  if (fp != stdin)
+    fclose(fp);
+
+  fputs("INFO: Ready to print.\n", stderr);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/backend/usb.c b/backend/usb.c
new file mode 100644
index 000000000..2950537aa
--- /dev/null
+++ b/backend/usb.c
@@ -0,0 +1,454 @@
+/*
+ * "$Id$"
+ *
+ *   USB port backend for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()         - Send a file to the specified USB port.
+ *   list_devices() - List all USB devices.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/cups.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <cups/string.h>
+#include <signal.h>
+
+#ifdef WIN32
+#  include <io.h>
+#else
+#  include <unistd.h>
+#  include <fcntl.h>
+#  include <termios.h>
+#endif /* WIN32 */
+
+
+/*
+ * Local functions...
+ */
+
+void	list_devices(void);
+
+
+/*
+ * 'main()' - Send a file to the specified USB port.
+ *
+ * Usage:
+ *
+ *    printer-uri job-id user title copies options [file]
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
+     char *argv[])	/* I - Command-line arguments */
+{
+  char		method[255],	/* Method in URI */
+		hostname[1024],	/* Hostname */
+		username[255],	/* Username info (not used) */
+		resource[1024],	/* Resource info (device and options) */
+		*options;	/* Pointer to options */
+  int		port;		/* Port number (not used) */
+  FILE		*fp;		/* Print file */
+  int		copies;		/* Number of copies to print */
+  int		fd;		/* Parallel device */
+  int		wbytes;		/* Number of bytes written */
+  size_t	nbytes,		/* Number of bytes read */
+		tbytes;		/* Total number of bytes written */
+  char		buffer[8192],	/* Output buffer */
+		*bufptr;	/* Pointer into buffer */
+  struct termios opts;		/* Parallel port options */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc == 1)
+  {
+    list_devices();
+    return (0);
+  }
+  else if (argc < 6 || argc > 7)
+  {
+    fputs("Usage: USB job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+  {
+    fp     = stdin;
+    copies = 1;
+  }
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      perror("ERROR: unable to open print file");
+      return (1);
+    }
+
+    copies = atoi(argv[4]);
+  }
+
+ /*
+  * Extract the device name and options from the URI...
+  */
+
+  httpSeparate(argv[0], method, username, hostname, &port, resource);
+
+ /*
+  * See if there are any options...
+  */
+
+  if ((options = strchr(resource, '?')) != NULL)
+  {
+   /*
+    * Yup, terminate the device name string and move to the first
+    * character of the options...
+    */
+
+    *options++ = '\0';
+  }
+
+ /*
+  * Open the USB port device...
+  */
+
+  do
+  {
+    if ((fd = open(resource, O_WRONLY | O_EXCL)) == -1)
+    {
+      if (errno == EBUSY)
+      {
+        fputs("INFO: USB port busy; will retry in 30 seconds...\n", stderr);
+	sleep(30);
+      }
+      else
+      {
+	fprintf(stderr, "ERROR: Unable to open USB port device file \"%s\": %s\n",
+	        resource, strerror(errno));
+	return (1);
+      }
+    }
+  }
+  while (fd < 0);
+
+ /*
+  * Set any options provided...
+  */
+
+  tcgetattr(fd, &opts);
+
+  opts.c_lflag &= ~(ICANON | ECHO | ISIG);	/* Raw mode */
+
+  /**** No options supported yet ****/
+
+  tcsetattr(fd, TCSANOW, &opts);
+
+ /*
+  * Now that we are "connected" to the port, ignore SIGTERM so that we
+  * can finish out any page data the driver sends (e.g. to eject the
+  * current page...  Only ignore SIGTERM if we are printing data from
+  * stdin (otherwise you can't cancel raw jobs...)
+  */
+
+  if (argc < 7)
+  {
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+    sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+
+    sigemptyset(&action.sa_mask);
+    action.sa_handler = SIG_IGN;
+    sigaction(SIGTERM, &action, NULL);
+#else
+    signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+  }
+
+ /*
+  * Finally, send the print file...
+  */
+
+  while (copies > 0)
+  {
+    copies --;
+
+    if (fp != stdin)
+    {
+      fputs("PAGE: 1 1\n", stderr);
+      rewind(fp);
+    }
+
+    tbytes = 0;
+    while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+    {
+     /*
+      * Write the print data to the printer...
+      */
+
+      tbytes += nbytes;
+      bufptr = buffer;
+
+      while (nbytes > 0)
+      {
+	if ((wbytes = write(fd, bufptr, nbytes)) < 0)
+	  if (errno == ENOTTY)
+	    wbytes = write(fd, bufptr, nbytes);
+
+	if (wbytes < 0)
+	{
+	  perror("ERROR: Unable to send print file to printer");
+	  break;
+	}
+
+	nbytes -= wbytes;
+	bufptr += wbytes;
+      }
+
+      if (argc > 6)
+	fprintf(stderr, "INFO: Sending print file, %u bytes...\n", tbytes);
+    }
+  }
+
+ /*
+  * Close the socket connection and input file and return...
+  */
+
+  close(fd);
+  if (fp != stdin)
+    fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * 'list_devices()' - List all USB devices.
+ */
+
+void
+list_devices(void)
+{
+#ifdef __linux
+  int	i;			/* Looping var */
+  int	fd;			/* File descriptor */
+  char	device[255];		/* Device filename */
+  FILE	*probe;			/* /proc/bus/usb/devices file */
+  char	line[1024],		/* Line from file */
+	*delim,			/* Delimiter in file */
+	make[IPP_MAX_NAME],	/* Make from file */
+	model[IPP_MAX_NAME];	/* Model from file */
+
+
+ /*
+  * First try opening one of the USB devices to load the driver
+  * module as needed...
+  */
+
+  if ((fd = open("/dev/usb/lp0", O_WRONLY)) >= 0)
+    close(fd); /* 2.3.x and 2.4.x */
+  else if ((fd = open("/dev/usb/usblp0", O_WRONLY)) >= 0)
+    close(fd); /* Mandrake 7.x */
+  else if ((fd = open("/dev/usblp0", O_WRONLY)) >= 0)
+    close(fd); /* 2.2.x */
+
+ /*
+  * Then look at the device list for the USB bus...
+  */
+
+  if ((probe = fopen("/proc/bus/usb/devices", "r")) != NULL)
+  {
+   /*
+    * Scan the device list...
+    */
+
+    i = 0;
+
+    memset(make, 0, sizeof(make));
+    memset(model, 0, sizeof(model));
+
+    while (fgets(line, sizeof(line), probe) != NULL)
+    {
+     /*
+      * Strip trailing newline.
+      */
+
+      if ((delim = strrchr(line, '\n')) != NULL)
+	*delim = '\0';
+
+     /*
+      * See if it is a printer device ("P: ...")
+      */
+
+      if (strncmp(line, "S:", 2) == 0)
+      {
+       /*
+        * String attribute...
+	*/
+
+        if (strncmp(line, "S:  Manufacturer=", 17) == 0)
+	{
+	  strncpy(make, line + 17, sizeof(make) - 1);
+	  if (strcmp(make, "Hewlett-Packard") == 0)
+	    strcpy(make, "HP");
+	}
+        else if (strncmp(line, "S:  Product=", 12) == 0)
+	  strncpy(model, line + 12, sizeof(model) - 1);
+      }
+      else if (strncmp(line, "I:", 2) == 0 &&
+               (strstr(line, "Driver=printer") != NULL ||
+	        strstr(line, "Driver=usblp") != NULL) &&
+	       make[0] && model[0])
+      {
+       /*
+        * We were processing a printer device; send the info out...
+	*/
+
+        sprintf(device, "/dev/usb/lp%d", i);
+	if (access(device, 0))
+	{
+	  sprintf(device, "/dev/usb/usblp%d", i);
+
+	  if (access(device, 0))
+	    sprintf(device, "/dev/usblp%d", i);
+	}
+
+	printf("direct usb:%s \"%s %s\" \"USB Printer #%d\"\n",
+	       device, make, model, i + 1);
+
+	i ++;
+
+	memset(make, 0, sizeof(make));
+	memset(model, 0, sizeof(model));
+      }
+    }
+
+    fclose(probe);
+
+   /*
+    * Write empty device listings for unused USB devices...
+    */
+
+    for (; i < 16; i ++)
+    {
+      sprintf(device, "/dev/usb/lp%d", i);
+
+      if (access(device, 0))
+      {
+	sprintf(device, "/dev/usb/usblp%d", i);
+
+	if (access(device, 0))
+	{
+	  sprintf(device, "/dev/usblp%d", i);
+
+	  if (access(device, 0))
+	    continue;
+	}
+      }
+
+      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
+    }
+  }
+  else
+  {
+   /*
+    * Just check manually for USB devices...
+    */
+
+    for (i = 0; i < 16; i ++)
+    {
+      sprintf(device, "/dev/usb/lp%d", i);
+
+      if (access(device, 0))
+      {
+	sprintf(device, "/dev/usb/usblp%d", i);
+
+	if (access(device, 0))
+	{
+	  sprintf(device, "/dev/usblp%d", i);
+
+	  if (access(device, 0))
+	    continue;
+	}
+      }
+
+      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
+    }
+  }
+#elif defined(__sgi)
+#elif defined(__sun)
+#elif defined(__hpux)
+#elif defined(__osf)
+#elif defined(__FreeBSD__)
+  int   i;                      /* Looping var */
+  char  device[255];            /* Device filename */
+
+
+  for (i = 0; i < 3; i ++)
+  {
+    sprintf(device, "/dev/unlpt%d", i);
+    if (!access(device, 0))
+      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
+  }
+#elif defined(__NetBSD__) || defined(__OpenBSD__)
+  int   i;                      /* Looping var */
+  char  device[255];            /* Device filename */
+
+
+  for (i = 0; i < 3; i ++)
+  {
+    sprintf(device, "/dev/ulpt%d", i);
+    if (!access(device, 0))
+      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
+  }
+#endif
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/berkeley/.cvsignore b/berkeley/.cvsignore
new file mode 100644
index 000000000..3ff70bf38
--- /dev/null
+++ b/berkeley/.cvsignore
@@ -0,0 +1,4 @@
+lpc
+lpq
+lpr
+lprm
diff --git a/berkeley/Makefile b/berkeley/Makefile
new file mode 100644
index 000000000..62508f772
--- /dev/null
+++ b/berkeley/Makefile
@@ -0,0 +1,105 @@
+#
+# "$Id$"
+#
+#   Berkeley commands makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+TARGETS	=	lpc lpq lpr lprm
+OBJS	=	lpc.o lpq.o lpr.o lprm.o
+
+
+#
+# Make all targets...
+#
+
+all:	$(TARGETS)
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS) $(TARGETS)
+
+
+#
+# Install all targets...
+#
+
+install:
+	$(INSTALL_DIR) $(BINDIR)
+	$(INSTALL_BIN) lpq $(BINDIR)
+	$(INSTALL_BIN) lpr $(BINDIR)
+	$(INSTALL_BIN) lprm $(BINDIR)
+	$(INSTALL_DIR) $(SBINDIR)
+	$(INSTALL_BIN) lpc $(SBINDIR)
+
+
+#
+# lpc
+#
+
+lpc:	lpc.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpc lpc.o $(LIBS)
+
+lpc.o:	../cups/cups.h ../Makedefs
+
+
+#
+# lpq
+#
+
+lpq:	lpq.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpq lpq.o $(LIBS)
+
+lpq.o:	../cups/cups.h ../Makedefs
+
+
+#
+# lpr
+#
+
+lpr:	lpr.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpr lpr.o $(LIBS)
+
+lpr.o:	../cups/cups.h ../Makedefs
+
+
+#
+# lprm
+#
+
+lprm:	lprm.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lprm lprm.o $(LIBS)
+
+lprm.o:	../cups/cups.h ../Makedefs
+
+
+#
+# End of "$Id$".
+#
diff --git a/berkeley/lpc.c b/berkeley/lpc.c
new file mode 100644
index 000000000..3904939ff
--- /dev/null
+++ b/berkeley/lpc.c
@@ -0,0 +1,481 @@
+/*
+ * "$Id$"
+ *
+ *   "lpc" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()            - Parse options and commands.
+ *   compare_strings() - Compare two command-line strings.
+ *   do_command()      - Do an lpc command...
+ *   show_help()       - Show help messages.
+ *   show_status()     - Show printers.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare_strings(char *, char *, int);
+static void	do_command(http_t *, char *, char *);
+static void	show_help(char *);
+static void	show_status(http_t *, char *);
+
+
+/*
+ * 'main()' - Parse options and commands.
+ */
+
+int
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  http_t	*http;		/* Connection to server */
+  char		line[1024],	/* Input line from user */
+		*params;	/* Pointer to parameters */
+
+
+ /*
+  * Connect to the scheduler...
+  */
+
+  http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption());
+
+  if (argc > 1)
+  {
+   /*
+    * Process a single command on the command-line...
+    */
+
+    do_command(http, argv[1], argv[2]);
+  }
+  else
+  {
+   /*
+    * Do the command prompt thing...
+    */
+
+    printf("lpc> ");
+    while (fgets(line, sizeof(line), stdin) != NULL)
+    {
+     /*
+      * Strip the trailing newline...
+      */
+
+      line[strlen(line) - 1] = '\0';
+
+     /*
+      * Find any options in the string...
+      */
+
+      while (isspace(line[0]))
+        strcpy(line, line + 1);
+
+      for (params = line; *params != '\0'; params ++)
+        if (isspace(*params))
+	  break;
+
+     /*
+      * Remove whitespace between the command and parameters...
+      */
+
+      while (isspace(*params))
+        *params++ = '\0';
+
+     /*
+      * The "quit" and "exit" commands exit; otherwise, process as needed...
+      */
+
+      if (compare_strings(line, "quit", 1) == 0 ||
+          compare_strings(line, "exit", 2) == 0)
+        break;
+
+      if (*params == '\0')
+        do_command(http, line, NULL);
+      else
+        do_command(http, line, params);
+
+     /*
+      * Put another prompt out to the user...
+      */
+
+      printf("lpc> ");
+    }
+  }
+
+ /*
+  * Close the connection to the server and return...
+  */
+
+  httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * 'compare_strings()' - Compare two command-line strings.
+ */
+
+static int			/* O - -1 or 1 = no match, 0 = match */
+compare_strings(char *s,	/* I - Command-line string */
+                char *t,	/* I - Option string */
+                int  tmin)	/* I - Minimum number of unique chars in option */
+{
+  int	slen;			/* Length of command-line string */
+
+
+  slen = strlen(s);
+  if (slen < tmin)
+    return (-1);
+  else
+    return (strncmp(s, t, slen));
+}
+
+
+/*
+ * 'do_command()' - Do an lpc command...
+ */
+
+static void
+do_command(http_t *http,	/* I - HTTP connection to server */
+           char   *command,	/* I - Command string */
+	   char   *params)	/* I - Parameters for command */
+{
+  if (compare_strings(command, "status", 4) == 0)
+    show_status(http, params);
+  else if (compare_strings(command, "help", 1) == 0 ||
+           strcmp(command, "?") == 0)
+    show_help(params);
+  else
+    printf("%s is not implemented by the CUPS version of lpc.\n", command);
+}
+
+
+/*
+ * 'show_help()' - Show help messages.
+ */
+
+static void
+show_help(char *command)	/* I - Command to describe or NULL */
+{
+  if (command == NULL)
+  {
+    puts("Commands may be abbreviated.  Commands are:");
+    puts("");
+    puts("exit    help    quit    status  ?");
+  }
+  else if (compare_strings(command, "help", 1) == 0 ||
+           strcmp(command, "?") == 0)
+    puts("help\t\tget help on commands");
+  else if (compare_strings(command, "status", 4) == 0)
+    puts("status\t\tshow status of daemon and queue");
+  else
+    puts("?Invalid help command unknown");
+}
+
+
+/*
+ * 'show_status()' - Show printers.
+ */
+
+static void
+show_status(http_t *http,	/* I - HTTP connection to server */
+            char   *dests)	/* I - Destinations */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response,	/* IPP Response */
+		*jobs;		/* IPP Get Jobs response */
+  ipp_attribute_t *attr,	/* Current attribute */
+		*jattr;		/* Current job attribute */
+  cups_lang_t	*language;	/* Default language */
+  char		*printer,	/* Printer name */
+		*device;	/* Device URI */
+  ipp_pstate_t	pstate;		/* Printer state */
+  int		accepting;	/* Is printer accepting jobs? */
+  int		jobcount;	/* Count of current jobs */
+  char		*dptr,		/* Pointer into destination list */
+		*ptr;		/* Pointer into printer name */
+  int		match;		/* Non-zero if this job matches */
+  char		printer_uri[HTTP_MAX_URI];
+				/* Printer URI */
+  static const char *requested[] =
+		{		/* Requested attributes */
+		  "printer-name",
+		  "device-uri",
+		  "printer-state",
+		  "printer-is-accepting-jobs"
+		};
+
+
+  DEBUG_printf(("show_status(%08x, %08x)\n", http, dests));
+
+  if (http == NULL)
+    return;
+
+ /*
+  * Build a CUPS_GET_PRINTERS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_PRINTERS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(requested) / sizeof(requested[0]),
+		NULL, requested);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/printers/")) != NULL)
+  {
+    DEBUG_puts("show_status: request succeeded...");
+
+   /*
+    * Loop through the printers returned in the list and display
+    * their status...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      printer   = NULL;
+      device    = "file:/dev/null";
+      pstate    = IPP_PRINTER_IDLE;
+      jobcount  = 0;
+      accepting = 1;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  printer = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "device-uri") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  device = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-state") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  pstate = (ipp_pstate_t)attr->values[0].integer;
+
+        if (strcmp(attr->name, "printer-is-accepting-jobs") == 0 &&
+	    attr->value_tag == IPP_TAG_BOOLEAN)
+	  accepting = attr->values[0].boolean;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (printer == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a printer we're interested in...
+      */
+
+      match = dests == NULL;
+
+      if (dests != NULL)
+      {
+        for (dptr = dests; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = printer;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+     /*
+      * Display the printer entry if needed...
+      */
+
+      if (match)
+      {
+       /*
+        * If the printer state is "IPP_PRINTER_PROCESSING", then grab the
+	* current job for the printer.
+	*/
+
+        if (pstate == IPP_PRINTER_PROCESSING)
+	{
+	 /*
+	  * Build an IPP_GET_JOBS request, which requires the following
+	  * attributes:
+	  *
+	  *    attributes-charset
+	  *    attributes-natural-language
+	  *    printer-uri
+	  *    limit
+	  */
+
+	  request = ippNew();
+
+	  request->request.op.operation_id = IPP_GET_JOBS;
+	  request->request.op.request_id   = 1;
+
+	  language = cupsLangDefault();
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+                       "attributes-charset", NULL,
+		       cupsLangEncoding(language));
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                       "attributes-natural-language", NULL,
+		       language->language);
+
+          snprintf(printer_uri, sizeof(printer_uri),
+                   "ipp://localhost/printers/%s", printer);
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+	               "printer-uri", NULL, printer_uri);
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+	               "requested-attributes", NULL, "job-id");
+
+          if ((jobs = cupsDoRequest(http, request, "/jobs/")) != NULL)
+	  {
+	    for (jattr = jobs->attrs; jattr != NULL; jattr = jattr->next)
+	      if (jattr->name && strcmp(jattr->name, "job-id") == 0)
+	        jobcount ++;
+
+            ippDelete(jobs);
+	  }
+        }
+
+       /*
+        * Display it...
+	*/
+
+        printf("%s:\n", printer);
+	if (strncmp(device, "file:", 5) == 0)
+	  printf("\tprinter is on device \'%s\' speed -1\n", device + 5);
+	else
+	{
+	 /*
+	  * Just show the method...
+	  */
+
+	  *strchr(device, ':') = '\0';
+	  printf("\tprinter is on device \'%s\' speed -1\n", device);
+	}
+
+	printf("\tqueuing is %sabled\n", accepting ? "en" : "dis");
+	printf("\tprinting is %sabled\n",
+	       pstate == IPP_PRINTER_STOPPED ? "dis" : "en");
+	if (jobcount == 0)
+	  puts("\tno entries");
+	else
+	  printf("\t%d entries\n", jobcount);
+	puts("\tdaemon present");
+      }
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/berkeley/lpq.c b/berkeley/lpq.c
new file mode 100644
index 000000000..0b269e84f
--- /dev/null
+++ b/berkeley/lpq.c
@@ -0,0 +1,542 @@
+/*
+ * "$Id$"
+ *
+ *   "lpq" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()         - Parse options and commands.
+ *   show_jobs()    - Show jobs.
+ *   show_printer() - Show printer status.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <config.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+
+
+/*
+ * Local functions...
+ */
+
+static int	show_jobs(http_t *, const char *, const char *, const int,
+		          const int);
+static void	show_printer(http_t *, const char *);
+
+
+/*
+ * 'main()' - Parse options and commands.
+ */
+
+int
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* Connection to server */
+  const char	*dest,		/* Desired printer */
+		*user;		/* Desired user */
+  char		*instance;	/* Printer instance */
+  int		id,		/* Desired job ID */
+		interval,	/* Reporting interval */
+		longstatus;	/* Show file details */
+  int		num_dests;	/* Number of destinations */
+  cups_dest_t	*dests;		/* Destinations */
+#ifdef HAVE_LIBSSL
+  http_encryption_t encryption;	/* Encryption? */
+#endif /* HAVE_LIBSSL */
+
+
+ /*
+  * Connect to the scheduler...
+  */
+
+  if ((http = httpConnectEncrypt(cupsServer(), ippPort(),
+                                 cupsEncryption())) == NULL)
+  {
+    fputs("lpq: Unable to contact server!\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Check for command-line options...
+  */
+
+  dest       = NULL;
+  user       = NULL;
+  id         = 0;
+  interval   = 0;
+  longstatus = 0;
+
+  num_dests = cupsGetDests(&dests);
+
+  for (i = 0; i < num_dests; i ++)
+    if (dests[i].is_default)
+      dest = dests[i].name;
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '+')
+      interval = atoi(argv[i] + 1);
+    else if (argv[i][0] == '-')
+    {
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    if (http)
+	      httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'P' : /* Printer */
+	    if (argv[i][2])
+	      dest = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      dest = argv[i];
+	    }
+
+	    if ((instance = strchr(dest, '/')) != NULL)
+	      *instance = '\0';
+	    break;
+
+	case 'a' : /* All printers */
+	    dest = NULL;
+	    break;
+
+	case 'l' : /* Long status */
+	    longstatus = 1;
+	    break;
+
+	default :
+	    fputs("Usage: lpq [-P dest] [-l] [+interval]\n", stderr);
+	    httpClose(http);
+            cupsFreeDests(num_dests, dests);
+	    return (1);
+      }
+    }
+    else if (isdigit(argv[i][0]))
+      id = atoi(argv[i]);
+    else
+      user = argv[i];
+
+ /*
+  * Show the status in a loop...
+  */
+
+  for (;;)
+  {
+    if (dest)
+      show_printer(http, dest);
+
+    i = show_jobs(http, dest, user, id, longstatus);
+
+    if (i && interval)
+    {
+      fflush(stdout);
+      sleep(interval);
+    }
+    else
+      break;
+  }
+
+ /*
+  * Close the connection to the server and return...
+  */
+
+  cupsFreeDests(num_dests, dests);
+  httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * 'show_jobs()' - Show jobs.
+ */
+
+static int			/* O - Number of jobs in queue */
+show_jobs(http_t     *http,	/* I - HTTP connection to server */
+          const char *dest,	/* I - Destination */
+	  const char *user,	/* I - User */
+	  const int  id,	/* I - Job ID */
+	  const int  longstatus)/* I - 1 if long report desired */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*jobdest,	/* Pointer into job-printer-uri */
+		*jobuser,	/* Pointer to job-originating-user-name */
+		*jobname;	/* Pointer to job-name */
+  ipp_jstate_t	jobstate;	/* job-state */
+  int		jobid,		/* job-id */
+		jobsize,	/* job-k-octets */
+#ifdef __osf__
+		jobpriority,	/* job-priority */
+#endif /* __osf__ */
+		jobcount,	/* Number of jobs */
+		jobcopies,	/* Number of copies */
+		rank;		/* Rank of job */
+  char		resource[1024];	/* Resource string */
+  char		rankstr[255];	/* Rank string */
+  char		namestr[1024];	/* Job name string */
+  static const char *ranks[10] =/* Ranking strings */
+		{
+		  "th",
+		  "st",
+		  "nd",
+		  "rd",
+		  "th",
+		  "th",
+		  "th",
+		  "th",
+		  "th",
+		  "th"
+		};
+
+
+  DEBUG_printf(("show_jobs(%08x, %08x, %08x, %d, %d)\n", http, dest, user, id,
+                longstatus));
+
+  if (http == NULL)
+    return (0);
+
+ /*
+  * Build an IPP_GET_JOBS or IPP_GET_JOB_ATTRIBUTES request, which requires
+  * the following attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    job-uri or printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = id ? IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  attr = ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+                      "attributes-charset", NULL, cupsLangEncoding(language));
+
+  attr = ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                      "attributes-natural-language", NULL, language->language);
+
+  if (dest == NULL)
+  {
+    if (id)
+      sprintf(resource, "ipp://localhost/jobs/%d", id);
+    else
+      strcpy(resource, "ipp://localhost/jobs");
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
+                 NULL, resource);
+  }
+  else
+  {
+    snprintf(resource, sizeof(resource), "ipp://localhost/printers/%s", dest);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, resource);
+  }
+
+  if (user)
+  {
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+                 "requesting-user-name", NULL, user);
+    ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1);
+  }
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  jobcount = 0;
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpq: get-jobs failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return (0);
+    }
+
+    rank = 1;
+
+   /*
+    * Loop through the job list and display them...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      jobid       = 0;
+      jobsize     = 0;
+#ifdef __osf__
+      jobpriority = 50;
+#endif /* __osf__ */
+      jobstate    = IPP_JOB_PENDING;
+      jobname     = "untitled";
+      jobuser     = NULL;
+      jobdest     = NULL;
+      jobcopies   = 1;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
+      {
+        if (strcmp(attr->name, "job-id") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobid = attr->values[0].integer;
+
+        if (strcmp(attr->name, "job-k-octets") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobsize = attr->values[0].integer * 1024;
+
+#ifdef __osf__
+        if (strcmp(attr->name, "job-priority") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobpriority = attr->values[0].integer;
+#endif /* __osf__ */
+
+        if (strcmp(attr->name, "job-state") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  jobstate = (ipp_jstate_t)attr->values[0].integer;
+
+        if (strcmp(attr->name, "job-printer-uri") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  if ((jobdest = strrchr(attr->values[0].string.text, '/')) != NULL)
+	    jobdest ++;
+
+        if (strcmp(attr->name, "job-originating-user-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  jobuser = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "job-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  jobname = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "copies") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobcopies = attr->values[0].integer;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (jobdest == NULL || jobid == 0)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+      if (!longstatus && jobcount == 0)
+#ifdef __osf__
+	puts("Rank   Owner      Pri  Job        Files                       Total Size");
+#else
+	puts("Rank    Owner   Job     File(s)                         Total Size");
+#endif /* __osf__ */
+
+      jobcount ++;
+
+     /*
+      * Display the job...
+      */
+
+      if (jobstate == IPP_JOB_PROCESSING)
+	strcpy(rankstr, "active");
+      else
+      {
+	snprintf(rankstr, sizeof(rankstr), "%d%s", rank, ranks[rank % 10]);
+	rank ++;
+      }
+
+      if (longstatus)
+      {
+        puts("");
+
+        if (jobcopies > 1)
+	  snprintf(namestr, sizeof(namestr), "%d copies of %s", jobcopies,
+	           jobname);
+	else
+	{
+	  strncpy(namestr, jobname, sizeof(namestr) - 1);
+	  namestr[sizeof(namestr) - 1] = '\0';
+	}
+
+        printf("%s: %-34.34s[job %d localhost]\n", jobuser, rankstr, jobid);
+        printf("        %-40.40s%d bytes\n", namestr, jobsize);
+      }
+      else
+#ifdef __osf__
+        printf("%-6s %-10.10s %-4d %-10d %-27.27s %d bytes\n", rankstr, jobuser,
+	       jobpriority, jobid, jobname, jobsize);
+#else
+        printf("%-7s %-8.8s%-8d%-32.32s%d bytes\n", rankstr, jobuser,
+	       jobid, jobname, jobsize);
+#endif /* __osf */
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    fprintf(stderr, "lpq: get-jobs failed: %s\n", ippErrorString(cupsLastError()));
+    return (0);
+  }
+
+  if (jobcount == 0)
+    puts("no entries");
+
+  return (jobcount);
+}
+
+
+/*
+ * 'show_printer()' - Show printer status.
+ */
+
+static void
+show_printer(http_t     *http,	/* I - HTTP connection to server */
+             const char *dest)	/* I - Destination */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  ipp_pstate_t	state;		/* Printer state */
+  char		uri[HTTP_MAX_URI];
+				/* Printer URI */
+
+
+  if (http == NULL)
+    return;
+
+ /*
+  * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", dest);
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpq: get-printer-attributes failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+    if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
+      state = (ipp_pstate_t)attr->values[0].integer;
+    else
+      state = IPP_PRINTER_STOPPED;
+
+    switch (state)
+    {
+      case IPP_PRINTER_IDLE :
+          printf("%s is ready\n", dest);
+	  break;
+      case IPP_PRINTER_PROCESSING :
+          printf("%s is ready and printing\n", dest);
+	  break;
+      case IPP_PRINTER_STOPPED :
+          printf("%s is not ready\n", dest);
+	  break;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpq: get-printer-attributes failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/berkeley/lpr.c b/berkeley/lpr.c
new file mode 100644
index 000000000..aa5ccab9b
--- /dev/null
+++ b/berkeley/lpr.c
@@ -0,0 +1,425 @@
+/*
+ * "$Id$"
+ *
+ *   "lpr" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()       - Parse options and send files for printing.
+ *   sighandler() - Signal catcher for when we print from stdin...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <config.h>
+#include <cups/cups.h>
+
+
+#ifndef WIN32
+#  include <signal.h>
+
+
+/*
+ * Local functions.
+ */
+
+void	sighandler(int);
+#endif /* !WIN32 */
+
+
+/*
+ * Globals...
+ */
+
+char	tempfile[1024];		/* Temporary file for printing from stdin */
+
+
+/*
+ * 'main()' - Parse options and send files for printing.
+ */
+
+int
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int		i, j;		/* Looping var */
+  int		job_id;		/* Job ID */
+  char		ch;		/* Option character */
+  char		*printer,	/* Destination printer or class */
+		*instance;	/* Instance */
+  const char	*title;		/* Job title */
+  int		num_copies;	/* Number of copies per file */
+  int		num_files;	/* Number of files to print */
+  const char	*files[1000];	/* Files to print */
+  int		num_dests;	/* Number of destinations */
+  cups_dest_t	*dests,		/* Destinations */
+		*dest;		/* Selected destination */
+  int		num_options;	/* Number of options */
+  cups_option_t	*options;	/* Options */
+  int		deletefile;	/* Delete file after print? */
+  char		buffer[8192];	/* Copy buffer */
+  int		temp;		/* Temporary file descriptor */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Signal action */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+  deletefile  = 0;
+  printer     = NULL;
+  num_dests   = 0;
+  dests       = NULL;
+  num_options = 0;
+  options     = NULL;
+  num_files   = 0;
+  title       = NULL;
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (ch = argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+	case '1' : /* TROFF font set 1 */
+	case '2' : /* TROFF font set 2 */
+	case '3' : /* TROFF font set 3 */
+	case '4' : /* TROFF font set 4 */
+	case 'i' : /* indent */
+	case 'w' : /* width */
+	    if (argv[i][2] == '\0')
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fprintf(stderr, "lpr: Expected value after -%c option!\n", ch);
+		return (1);
+	      }
+	    }
+
+        case 'c' : /* CIFPLOT */
+	case 'd' : /* DVI */
+	case 'f' : /* FORTRAN */
+	case 'g' : /* plot */
+	case 'n' : /* Ditroff */
+	case 't' : /* Troff */
+	case 'v' : /* Raster image */
+	    fprintf(stderr, "Warning: \'%c\' format modifier not supported - output may not be correct!\n",
+	            ch);
+	    break;
+
+	case 'o' : /* Option */
+	    if (argv[i][2] != '\0')
+	      num_options = cupsParseOptions(argv[i] + 2, num_options, &options);
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+	        fputs("lpr: Expected option=value after -o option!\n", stderr);
+		return (1);
+	      }
+
+	      num_options = cupsParseOptions(argv[i], num_options, &options);
+	    }
+	    break;
+
+	case 'l' : /* Literal/raw */
+            num_options = cupsAddOption("raw", "", num_options, &options);
+	    break;
+
+	case 'p' : /* Prettyprint */
+            num_options = cupsAddOption("prettyprint", "", num_options, &options);
+	    break;
+
+	case 'h' : /* Suppress burst page */
+            num_options = cupsAddOption("job-sheets", "none", num_options, &options);
+	    break;
+
+	case 's' : /* Don't use symlinks */
+	    break;
+
+	case 'm' : /* Mail on completion */
+	    fputs("Warning: email notification is not supported!\n", stderr);
+	    break;
+
+	case 'q' : /* Queue file but don't print */
+            num_options = cupsAddOption("job-hold-until", "indefinite",
+	                                num_options, &options);
+	    break;
+
+	case 'r' : /* Remove file after printing */
+	    deletefile = 1;
+	    break;
+
+        case 'P' : /* Destination printer or class */
+	    if (argv[i][2] != '\0')
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+	        fputs("lpr: Expected destination after -P option!\n", stderr);
+		return (1);
+	      }
+
+	      printer = argv[i];
+	    }
+
+            if ((instance = strrchr(printer, '/')) != NULL)
+	      *instance++ = '\0';
+
+	    if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+            if ((dest = cupsGetDest(printer, instance, num_dests, dests)) != NULL)
+	    {
+	      for (j = 0; j < dest->num_options; j ++)
+	        if (cupsGetOption(dest->options[j].name, num_options, options) == NULL)
+	          num_options = cupsAddOption(dest->options[j].name,
+		                              dest->options[j].value,
+					      num_options, &options);
+	    }
+	    break;
+
+	case '#' : /* Number of copies */
+	    if (argv[i][2] != '\0')
+	      num_copies = atoi(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+	        fputs("lpr: Expected copy count after -# option!\n", stderr);
+		return (1);
+	      }
+
+	      num_copies = atoi(argv[i]);
+	    }
+
+	    if (num_copies < 1 || num_copies > 100)
+	    {
+	      fputs("lpr: Number copies must be between 1 and 100.\n", stderr);
+	      return (1);
+	    }
+
+            sprintf(buffer, "%d", num_copies);
+            num_options = cupsAddOption("copies", buffer, num_options, &options);
+	    break;
+
+	case 'C' : /* Class */
+	case 'J' : /* Job name */
+	case 'T' : /* Title */
+	    if (argv[i][2] != '\0')
+	      title = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+		fprintf(stderr, "lpr: Expected name after -%c option!\n", ch);
+		return (1);
+	      }
+
+	      title = argv[i];
+	    }
+	    break;
+
+	case 'U' : /* User */
+	    if (argv[i][2] != '\0')
+	      cupsSetUser(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+	        fputs("lpr: Expected username after -U option!\n", stderr);
+		return (1);
+	      }
+
+	      cupsSetUser(argv[i]);
+	    }
+	    break;
+
+	default :
+	    fprintf(stderr, "lpr: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else if (num_files < 1000)
+    {
+     /*
+      * Print a file...
+      */
+
+      files[num_files] = argv[i];
+      num_files ++;
+
+      if (title == NULL)
+      {
+        if ((title = strrchr(argv[i], '/')) != NULL)
+	  title ++;
+	else
+          title = argv[i];
+      }
+    }
+    else
+      fprintf(stderr, "lpr: Too many files - \"%s\"\n", argv[i]);
+ /*
+  * See if we have any files to print; if not, print from stdin...
+  */
+
+  if (printer == NULL)
+  {
+    if (num_dests == 0)
+      num_dests = cupsGetDests(&dests);
+
+    for (j = 0, dest = dests; j < num_dests; j ++, dest ++)
+      if (dest->is_default)
+      {
+	printer = dests[j].name;
+
+	for (j = 0; j < dest->num_options; j ++)
+	  if (cupsGetOption(dest->options[j].name, num_options, options) == NULL)
+	    num_options = cupsAddOption(dest->options[j].name,
+		                        dest->options[j].value,
+					num_options, &options);
+        break;
+      }
+  }
+
+  if (printer == NULL)
+  {
+    fputs("lpr: error - no default destination available.\n", stderr);
+    return (1);
+  }
+
+  if (num_files > 0)
+  {
+    job_id = cupsPrintFiles(printer, num_files, files, title, num_options, options);
+
+    if (deletefile)
+    {
+     /*
+      * Delete print files after printing...
+      */
+
+      for (i = 0; i < num_files; i ++)
+        unlink(files[i]);
+    }
+  }
+  else
+  {
+    num_files = 1;
+
+#ifndef WIN32
+#  if defined(HAVE_SIGSET)
+    sigset(SIGHUP, sighandler);
+    sigset(SIGINT, sighandler);
+    sigset(SIGTERM, sighandler);
+#  elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+    action.sa_handler = sighandler;
+
+    sigaction(SIGHUP, &action, NULL);
+    sigaction(SIGINT, &action, NULL);
+    sigaction(SIGTERM, &action, NULL);
+#  else
+    signal(SIGHUP, sighandler);
+    signal(SIGINT, sighandler);
+    signal(SIGTERM, sighandler);
+#  endif
+#endif /* !WIN32 */
+
+    if ((temp = cupsTempFd(tempfile, sizeof(tempfile))) < 0)
+    {
+      fputs("lpr: unable to create temporary file.\n", stderr);
+      return (1);
+    }
+
+    while ((i = read(0, buffer, sizeof(buffer))) > 0)
+      write(temp, buffer, i);
+
+    i = lseek(temp, 0, SEEK_CUR);
+    close(temp);
+
+    if (i == 0)
+    {
+      fputs("lpr: stdin is empty, so no job has been sent.\n", stderr);
+      return (1);
+    }
+
+    if (title)
+      job_id = cupsPrintFile(printer, tempfile, title, num_options, options);
+    else
+      job_id = cupsPrintFile(printer, tempfile, "(stdin)", num_options, options);
+
+    unlink(tempfile);
+  }
+
+  if (job_id < 1)
+  {
+    fprintf(stderr, "lpr: unable to print file: %s\n",
+	    ippErrorString(cupsLastError()));
+    return (1);
+  }
+
+  return (0);
+}
+
+
+#ifndef WIN32
+/*
+ * 'sighandler()' - Signal catcher for when we print from stdin...
+ */
+
+void
+sighandler(int s)	/* I - Signal number */
+{
+ /*
+  * Remove the temporary file we're using to print from stdin...
+  */
+
+  unlink(tempfile);
+
+ /*
+  * Exit...
+  */
+
+  exit(s);
+}
+#endif /* !WIN32 */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/berkeley/lprm.c b/berkeley/lprm.c
new file mode 100644
index 000000000..3aab5771b
--- /dev/null
+++ b/berkeley/lprm.c
@@ -0,0 +1,267 @@
+/*
+ * "$Id$"
+ *
+ *   "lprm" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Parse options and cancel jobs.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <cups/cups.h>
+#include <cups/language.h>
+
+
+/*
+ * 'main()' - Parse options and cancel jobs.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  http_t	*http;		/* HTTP connection to server */
+  int		i;		/* Looping var */
+  int		job_id;		/* Job ID */
+  const char	*dest;		/* Destination printer */
+  char		*instance;	/* Pointer to instance name */
+  char		uri[1024];	/* Printer or job URI */
+  ipp_t		*request;	/* IPP request */
+  ipp_t		*response;	/* IPP response */
+  ipp_op_t	op;		/* Operation */
+  cups_lang_t	*language;	/* Language */
+  int		num_dests;	/* Number of destinations */
+  cups_dest_t	*dests;		/* Destinations */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+ /*
+  * Setup to cancel individual print jobs...
+  */
+
+  op         = IPP_CANCEL_JOB;
+  job_id     = 0;
+  dest       = NULL;
+  response   = NULL;
+  http       = NULL;
+  encryption = cupsEncryption();
+
+  num_dests = cupsGetDests(&dests);
+
+  for (i = 0; i < num_dests; i ++)
+    if (dests[i].is_default)
+      dest = dests[i].name;
+
+ /*
+  * Open a connection to the server...
+  */
+
+  if ((http = httpConnectEncrypt(cupsServer(), ippPort(), encryption)) == NULL)
+  {
+    fputs("lprm: Unable to contact server!\n", stderr);
+    cupsFreeDests(num_dests, dests);
+    return (1);
+  }
+
+ /*
+  * Process command-line arguments...
+  */
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-' && argv[i][1] != '\0')
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'P' : /* Cancel jobs on a printer */
+	    if (argv[i][2])
+	      dest = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      dest = argv[i];
+	    }
+
+	    if ((instance = strchr(dest, '/')) != NULL)
+	      *instance = '\0';
+	    break;
+
+	default :
+	    fprintf(stderr, "lprm: Unknown option \'%c\'!\n", argv[i][1]);
+            cupsFreeDests(num_dests, dests);
+	    httpClose(http);
+	    return (1);
+      }
+    else
+    {
+     /*
+      * Cancel a job or printer...
+      */
+
+      if (isdigit(argv[i][0]))
+      {
+        dest   = NULL;
+	op     = IPP_CANCEL_JOB;
+        job_id = atoi(argv[i]);
+      }
+      else if (strcmp(argv[i], "-") == 0)
+      {
+       /*
+        * Cancel all jobs
+        */
+
+        op = IPP_PURGE_JOBS;
+      }
+      else
+      {
+        dest   = argv[i];
+        job_id = 0;
+      }
+
+     /*
+      * Build an IPP request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri + job-id *or* job-uri
+      *    [requesting-user-name]
+      */
+
+      request = ippNew();
+
+      request->request.op.operation_id = op;
+      request->request.op.request_id   = 1;
+
+      language = cupsLangDefault();
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+              	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                   "attributes-natural-language", NULL, language->language);
+
+      if (dest)
+      {
+        snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", dest);
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+	             "printer-uri", NULL, uri);
+	ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
+	              job_id);
+      }
+      else
+      {
+        sprintf(uri, "ipp://localhost/jobs/%d", job_id);
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL,
+	             uri);
+      }
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+                   "requesting-user-name", NULL, cupsUser());
+
+     /*
+      * Do the request and get back a response...
+      */
+
+      if (op == IPP_PURGE_JOBS)
+        response = cupsDoRequest(http, request, "/admin/");
+      else
+        response = cupsDoRequest(http, request, "/jobs/");
+
+      if (response != NULL)
+      {
+        switch (response->request.status.status_code)
+	{
+	  case IPP_NOT_FOUND :
+              fputs("lprm: Job or printer not found!\n", stderr);
+	      break;
+	  case IPP_NOT_AUTHORIZED :
+              fputs("lprm: Not authorized to lprm job(s)!\n", stderr);
+	      break;
+	  case IPP_FORBIDDEN :
+              fprintf(stderr, "lprm: You don't own job ID %d!\n", job_id);
+	      break;
+	  default :
+              if (response->request.status.status_code > IPP_OK_CONFLICT)
+                fputs("lprm: Unable to lprm job(s)!\n", stderr);
+	      break;
+	}
+
+        if (response->request.status.status_code > IPP_OK_CONFLICT)
+	{
+          ippDelete(response);
+          cupsFreeDests(num_dests, dests);
+          httpClose(http);
+	  return (1);
+	}
+
+        ippDelete(response);
+      }
+      else
+      {
+        fputs("lprm: Unable to cancel job(s)!\n", stderr);
+        cupsFreeDests(num_dests, dests);
+        httpClose(http);
+	return (1);
+      }
+    }
+
+ /*
+  * If nothing has been cancelled yet, cancel the current job on the specified
+  * (or default) printer...
+  */
+
+  if (response == NULL)
+    if (!cupsCancelJob(dest, 0))
+    {
+      fputs("lprm: Unable to cancel job(s)!\n", stderr);
+      cupsFreeDests(num_dests, dests);
+      httpClose(http);
+      return (1);
+    }
+
+  cupsFreeDests(num_dests, dests);
+  httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/.cvsignore b/cgi-bin/.cvsignore
new file mode 100644
index 000000000..77c74e433
--- /dev/null
+++ b/cgi-bin/.cvsignore
@@ -0,0 +1,5 @@
+admin.cgi
+classes.cgi
+jobs.cgi
+libcgi.a
+printers.cgi
diff --git a/cgi-bin/Makefile b/cgi-bin/Makefile
new file mode 100644
index 000000000..41c000741
--- /dev/null
+++ b/cgi-bin/Makefile
@@ -0,0 +1,121 @@
+#
+# "$Id$"
+#
+#   CGI makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+CGIS	=	admin.cgi classes.cgi jobs.cgi printers.cgi
+TARGETS	=	libcgi.a $(CGIS)
+LIBOBJS	=	html.o ipp-var.o template.o var.o
+OBJS	=	$(LIBOBJS) admin.o classes.o jobs.o printers.o
+
+
+#
+# Make all targets...
+#
+
+all:	$(TARGETS)
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS) $(TARGETS)
+
+
+#
+# Install all targets...
+#
+
+install:
+	$(INSTALL_DIR) $(SERVERBIN)/cgi-bin
+	for file in $(CGIS); do \
+		$(INSTALL_BIN) $$file $(SERVERBIN)/cgi-bin; \
+	done
+
+
+#
+# libcgi.a
+#
+
+libcgi.a:	$(LIBOBJS)
+	echo Archiving $@...
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ $(LIBOBJS)
+	$(RANLIB) $@
+
+$(LIBOBJS):	cgi.h
+ipp-var.o:	ipp-var.h
+
+
+#
+# admin.cgi
+#
+
+admin.cgi:	admin.o ../Makedefs ../cups/$(LIBCUPS) libcgi.a
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ admin.o libcgi.a $(LIBS)
+
+admin.o:	cgi.h ipp-var.h ../cups/cups.h ../cups/ipp.h ../cups/language.h
+
+
+#
+# classes.cgi
+#
+
+classes.cgi:	classes.o ../Makedefs ../cups/$(LIBCUPS) libcgi.a
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ classes.o libcgi.a $(LIBS)
+
+classes.o:	cgi.h ipp-var.h ../cups/cups.h ../cups/ipp.h ../cups/language.h
+
+
+#
+# jobs.cgi
+#
+
+jobs.cgi:	jobs.o ../Makedefs ../cups/$(LIBCUPS) libcgi.a
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ jobs.o libcgi.a $(LIBS)
+
+jobs.o:	cgi.h ipp-var.h ../cups/cups.h ../cups/ipp.h ../cups/language.h
+
+
+#
+# printers.cgi
+#
+
+printers.cgi:	printers.o ../Makedefs ../cups/$(LIBCUPS) libcgi.a
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ printers.o libcgi.a $(LIBS)
+
+printers.o:	cgi.h ipp-var.h ../cups/cups.h ../cups/ipp.h ../cups/language.h
+
+$(OBJS):	../Makedefs
+
+
+#
+# End of "$Id$".
+#
diff --git a/cgi-bin/admin.c b/cgi-bin/admin.c
new file mode 100644
index 000000000..dbfd0745e
--- /dev/null
+++ b/cgi-bin/admin.c
@@ -0,0 +1,1599 @@
+/*
+ * "$Id$"
+ *
+ *   Administration CGI for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()              - Main entry for CGI.
+ *   do_am_class()       - Add or modify a class.
+ *   do_am_printer()     - Add or modify a printer.
+ *   do_config_printer() - Configure the default options for a printer.
+ *   do_delete_class()   - Delete a class...
+ *   do_delete_printer() - Delete a printer...
+ *   do_job_op()         - Do a job operation.
+ *   do_printer_op()     - Do a printer operation.
+ *   get_line()          - Get a line that is terminated by a LF, CR, or CR LF.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ipp-var.h"
+#include <ctype.h>
+#include <errno.h>
+
+
+/*
+ * Local functions...
+ */
+
+static void	do_am_class(http_t *http, cups_lang_t *language, int modify);
+static void	do_am_printer(http_t *http, cups_lang_t *language, int modify);
+static void	do_config_printer(http_t *http, cups_lang_t *language);
+static void	do_delete_class(http_t *http, cups_lang_t *language);
+static void	do_delete_printer(http_t *http, cups_lang_t *language);
+static void	do_job_op(http_t *http, cups_lang_t *language, ipp_op_t op);
+static void	do_printer_op(http_t *http, cups_lang_t *language, ipp_op_t op);
+static char	*get_line(char *buf, int length, FILE *fp);
+
+
+/*
+ * 'main()' - Main entry for CGI.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  cups_lang_t	*language;	/* Language information */
+  http_t	*http;		/* Connection to the server */
+  const char	*op;		/* Operation name */
+
+
+ /*
+  * Get the request language...
+  */
+
+  language = cupsLangDefault();
+
+ /*
+  * Send a standard header...
+  */
+
+  printf("Content-Type: text/html;charset=%s\n\n", cupsLangEncoding(language));
+
+  cgiSetVariable("TITLE", "Admin");
+  ippSetServerVersion();
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "header.tmpl", getenv("LANG"));
+
+ /*
+  * See if we have form data...
+  */
+
+  if (!cgiInitialize())
+  {
+   /*
+    * Nope, send the administration menu...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "admin.tmpl", getenv("LANG"));
+  }
+  else if ((op = cgiGetVariable("OP")) != NULL)
+  {
+   /*
+    * Connect to the HTTP server...
+    */
+
+    http = httpConnectEncrypt("localhost", ippPort(), cupsEncryption());
+
+   /*
+    * Do the operation...
+    */
+
+    if (strcmp(op, "cancel-job") == 0)
+      do_job_op(http, language, IPP_CANCEL_JOB);
+    else if (strcmp(op, "hold-job") == 0)
+      do_job_op(http, language, IPP_HOLD_JOB);
+    else if (strcmp(op, "release-job") == 0)
+      do_job_op(http, language, IPP_RELEASE_JOB);
+    else if (strcmp(op, "restart-job") == 0)
+      do_job_op(http, language, IPP_RESTART_JOB);
+    else if (strcmp(op, "start-printer") == 0)
+      do_printer_op(http, language, IPP_RESUME_PRINTER);
+    else if (strcmp(op, "stop-printer") == 0)
+      do_printer_op(http, language, IPP_PAUSE_PRINTER);
+    else if (strcmp(op, "accept-jobs") == 0)
+      do_printer_op(http, language, CUPS_ACCEPT_JOBS);
+    else if (strcmp(op, "reject-jobs") == 0)
+      do_printer_op(http, language, CUPS_REJECT_JOBS);
+    else if (strcmp(op, "add-class") == 0)
+      do_am_class(http, language, 0);
+    else if (strcmp(op, "add-printer") == 0)
+      do_am_printer(http, language, 0);
+    else if (strcmp(op, "modify-class") == 0)
+      do_am_class(http, language, 1);
+    else if (strcmp(op, "modify-printer") == 0)
+      do_am_printer(http, language, 1);
+    else if (strcmp(op, "delete-class") == 0)
+      do_delete_class(http, language);
+    else if (strcmp(op, "delete-printer") == 0)
+      do_delete_printer(http, language);
+    else if (strcmp(op, "config-printer") == 0)
+      do_config_printer(http, language);
+    else
+    {
+     /*
+      * Bad operation code...  Display an error...
+      */
+
+      cgiCopyTemplateLang(stdout, TEMPLATES, "admin-op.tmpl", getenv("LANG"));
+    }
+
+   /*
+    * Close the HTTP server connection...
+    */
+
+    httpClose(http);
+  }
+  else
+  {
+   /*
+    * Form data but no operation code...  Display an error...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "admin-op.tmpl", getenv("LANG"));
+  }
+
+ /*
+  * Send the standard trailer...
+  */
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "trailer.tmpl", getenv("LANG"));
+
+ /*
+  * Free the request language...
+  */
+
+  cupsLangFree(language);
+
+ /*
+  * Return with no errors...
+  */
+
+  return (0);
+}
+
+
+/*
+ * 'do_am_class()' - Add or modify a class.
+ */
+
+static void
+do_am_class(http_t      *http,		/* I - HTTP connection */
+            cups_lang_t *language,	/* I - Client's language */
+	    int         modify)		/* I - Modify the printer? */
+{
+  int		i, j;			/* Looping vars */
+  int		element;		/* Element number */
+  int		num_printers;		/* Number of printers */
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  ipp_attribute_t *attr;		/* member-uris attribute */
+  ipp_status_t	status;			/* Request status */
+  char		uri[HTTP_MAX_URI];	/* Device or printer URI */
+  const char	*name,			/* Pointer to class name */
+		*ptr;			/* Pointer to CGI variable */
+
+
+  if (cgiGetVariable("PRINTER_LOCATION") == NULL)
+  {
+    if (modify)
+    {
+     /*
+      * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
+      * following attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri
+      */
+
+      request = ippNew();
+
+      request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+      request->request.op.request_id   = 1;
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	   "attributes-natural-language", NULL, language->language);
+
+      snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s",
+               cgiGetVariable("PRINTER_NAME"));
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                   NULL, uri);
+
+     /*
+      * Do the request and get back a response...
+      */
+
+      if ((response = cupsDoRequest(http, request, "/")) != NULL)
+      {
+	ippSetCGIVars(response, NULL, NULL);
+	ippDelete(response);
+      }
+
+     /*
+      * Update the location and description of an existing printer...
+      */
+
+      cgiCopyTemplateLang(stdout, TEMPLATES, "modify-class.tmpl", getenv("LANG"));
+    }
+    else
+    {
+     /*
+      * Get the name, location, and description for a new printer...
+      */
+
+      cgiCopyTemplateLang(stdout, TEMPLATES, "add-class.tmpl", getenv("LANG"));
+    }
+
+    return;
+  }
+
+  name = cgiGetVariable("PRINTER_NAME");
+  if (isdigit(*name))
+    ptr = name;
+  else
+    for (ptr = name; *ptr; ptr ++)
+      if (!isalnum(*ptr) && *ptr != '_')
+	break;
+
+  if (*ptr || ptr == name)
+  {
+    cgiSetVariable("ERROR", "The class name may only contain letters, "
+                            "numbers, and the underscore.");
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+  if (cgiGetVariable("MEMBER_URIS") == NULL)
+  {
+   /*
+    * Build a CUPS_GET_PRINTERS request, which requires the
+    * following attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_GET_PRINTERS;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, "ipp://localhost/printers");
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+     /*
+      * Create MEMBER_URIS and MEMBER_NAMES arrays...
+      */
+
+      for (element = 0, attr = response->attrs;
+	   attr != NULL;
+	   attr = attr->next)
+	if (attr->name && strcmp(attr->name, "printer-uri-supported") == 0)
+	{
+	  cgiSetArray("MEMBER_URIS", element, attr->values[0].string.text);
+	  element ++;
+	}
+
+      for (element = 0, attr = response->attrs;
+	   attr != NULL;
+	   attr = attr->next)
+	if (attr->name && strcmp(attr->name, "printer-name") == 0)
+	{
+	  cgiSetArray("MEMBER_NAMES", element, attr->values[0].string.text);
+	  element ++;
+	}
+
+      num_printers = cgiGetSize("MEMBER_URIS");
+
+      ippDelete(response);
+    }
+    else
+      num_printers = 0;
+
+   /*
+    * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
+    * following attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s",
+             cgiGetVariable("PRINTER_NAME"));
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL)
+      {
+       /*
+        * Mark any current members in the class...
+	*/
+
+        for (j = 0; j < num_printers; j ++)
+	  cgiSetArray("MEMBER_SELECTED", j, "");
+
+        for (i = 0; i < attr->num_values; i ++)
+	  for (j = 0; j < num_printers; j ++)
+	    if (strcmp(attr->values[i].string.text, cgiGetArray("MEMBER_URIS", j)) == 0)
+	    {
+	      cgiSetArray("MEMBER_SELECTED", j, "SELECTED");
+	      break;
+	    }
+      }
+
+      ippDelete(response);
+    }
+
+   /*
+    * Let the user choose...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "choose-members.tmpl", getenv("LANG"));
+  }
+  else
+  {
+   /*
+    * Build a CUPS_ADD_CLASS request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    *    printer-location
+    *    printer-info
+    *    printer-is-accepting-jobs
+    *    printer-state
+    *    member-uris
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_ADD_CLASS;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s",
+             cgiGetVariable("PRINTER_NAME"));
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-location",
+                 NULL, cgiGetVariable("PRINTER_LOCATION"));
+
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info",
+                 NULL, cgiGetVariable("PRINTER_INFO"));
+
+    ippAddBoolean(request, IPP_TAG_PRINTER, "printer-is-accepting-jobs", 1);
+
+    ippAddInteger(request, IPP_TAG_PRINTER, IPP_TAG_ENUM, "printer-state",
+                  IPP_PRINTER_IDLE);
+
+    if ((num_printers = cgiGetSize("MEMBER_URIS")) > 0)
+    {
+      attr = ippAddStrings(request, IPP_TAG_PRINTER, IPP_TAG_URI, "member-uris",
+                           num_printers, NULL, NULL);
+      for (i = 0; i < num_printers; i ++)
+        attr->values[i].string.text = strdup(cgiGetArray("MEMBER_URIS", i));
+    }
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+    {
+      status = response->request.status.status_code;
+      ippDelete(response);
+    }
+    else
+      status = IPP_NOT_AUTHORIZED;
+
+    if (status > IPP_OK_CONFLICT)
+    {
+      cgiSetVariable("ERROR", ippErrorString(status));
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    }
+    else if (modify)
+      cgiCopyTemplateLang(stdout, TEMPLATES, "class-modified.tmpl", getenv("LANG"));
+    else
+      cgiCopyTemplateLang(stdout, TEMPLATES, "class-added.tmpl", getenv("LANG"));
+  }
+}
+
+
+/*
+ * 'do_am_printer()' - Add or modify a printer.
+ */
+
+static void
+do_am_printer(http_t      *http,	/* I - HTTP connection */
+              cups_lang_t *language,	/* I - Client's language */
+	      int         modify)	/* I - Modify the printer? */
+{
+  int		i;			/* Looping var */
+  int		element;		/* Element number */
+  ipp_attribute_t *attr,		/* Current attribute */
+		*last;			/* Last attribute */
+  ipp_t		*request,		/* IPP request */
+		*response,		/* IPP response */
+		*oldinfo;		/* Old printer information */
+  ipp_status_t	status;			/* Request status */
+  const char	*var;			/* CGI variable */
+  char		uri[HTTP_MAX_URI],	/* Device or printer URI */
+		*uriptr;		/* Pointer into URI */
+  int		maxrate;		/* Maximum baud rate */
+  char		baudrate[255];		/* Baud rate string */
+  char		make[255];		/* Make string */
+  const char	*name,			/* Pointer to class name */
+		*ptr;			/* Pointer to CGI variable */
+  static int	baudrates[] =		/* Baud rates */
+		{
+		  1200,
+		  2400,
+		  4800,
+		  9600,
+		  19200,
+		  38400,
+		  57600,
+		  115200,
+		  230400,
+		  460800
+		};
+
+
+  if (modify)
+  {
+   /*
+    * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
+    * following attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s",
+             cgiGetVariable("PRINTER_NAME"));
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    oldinfo = cupsDoRequest(http, request, "/");
+  }
+  else
+    oldinfo = NULL;
+
+  if ((name = cgiGetVariable("PRINTER_NAME")) == NULL ||
+      cgiGetVariable("PRINTER_LOCATION") == NULL)
+  {
+    if (modify)
+    {
+     /*
+      * Update the location and description of an existing printer...
+      */
+
+      if (oldinfo)
+	ippSetCGIVars(oldinfo, NULL, NULL);
+
+      cgiCopyTemplateLang(stdout, TEMPLATES, "modify-printer.tmpl", getenv("LANG"));
+    }
+    else
+    {
+     /*
+      * Get the name, location, and description for a new printer...
+      */
+
+      cgiCopyTemplateLang(stdout, TEMPLATES, "add-printer.tmpl", getenv("LANG"));
+    }
+
+    if (oldinfo)
+      ippDelete(oldinfo);
+
+    return;
+  }
+
+  if (isdigit(*name))
+    ptr = name;
+  else
+    for (ptr = name; *ptr; ptr ++)
+      if (!isalnum(*ptr) && *ptr != '_')
+	break;
+
+  if (*ptr || ptr == name)
+  {
+    cgiSetVariable("ERROR", "The printer name may only contain letters, "
+                            "numbers, and the underscore.");
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+  if ((var = cgiGetVariable("DEVICE_URI")) == NULL)
+  {
+   /*
+    * Build a CUPS_GET_DEVICES request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_GET_DEVICES;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, "ipp://localhost/printers/");
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      ippSetCGIVars(response, NULL, NULL);
+      ippDelete(response);
+    }
+
+   /*
+    * Let the user choose...
+    */
+
+    if (oldinfo &&
+        (attr = ippFindAttribute(oldinfo, "device-uri", IPP_TAG_URI)) != NULL)
+    {
+      strncpy(uri, attr->values[0].string.text, sizeof(uri) - 1);
+      uri[sizeof(uri) - 1] = '\0';
+      if ((uriptr = strchr(uri, ':')) != NULL && strncmp(uriptr, "://", 3) == 0)
+        *uriptr = '\0';
+
+      cgiSetVariable("CURRENT_DEVICE_URI", uri);
+    }
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "choose-device.tmpl", getenv("LANG"));
+  }
+  else if (strchr(var, '/') == NULL)
+  {
+    if (oldinfo &&
+        (attr = ippFindAttribute(oldinfo, "device-uri", IPP_TAG_URI)) != NULL)
+    {
+     /*
+      * Set the current device URI for the form to the old one...
+      */
+
+      if (strncmp(attr->values[0].string.text, var, strlen(var)) == 0)
+	cgiSetVariable("DEVICE_URI", attr->values[0].string.text);
+    }
+
+   /*
+    * User needs to set the full URI...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "choose-uri.tmpl", getenv("LANG"));
+  }
+  else if (strncmp(var, "serial:", 7) == 0 && cgiGetVariable("BAUDRATE") == NULL)
+  {
+   /*
+    * Need baud rate, parity, etc.
+    */
+
+    if ((var = strchr(var, '?')) != NULL &&
+        strncmp(var, "?baud=", 6) == 0)
+      maxrate = atoi(var + 6);
+    else
+      maxrate = 19200;
+
+    for (i = 0; i < 10; i ++)
+      if (baudrates[i] > maxrate)
+        break;
+      else
+      {
+        sprintf(baudrate, "%d", baudrates[i]);
+	cgiSetArray("BAUDRATES", i, baudrate);
+      }
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "choose-serial.tmpl", getenv("LANG"));
+  }
+  else if ((var = cgiGetVariable("PPD_NAME")) == NULL)
+  {
+    if (modify)
+    {
+     /*
+      * Get the PPD file...
+      */
+
+      int		fd;			/* PPD file */
+      char		filename[1024];		/* PPD filename */
+      ppd_file_t	*ppd;			/* PPD information */
+      char		buffer[1024];		/* Buffer */
+      int		bytes;			/* Number of bytes */
+
+
+      snprintf(uri, sizeof(uri), "/printers/%s.ppd", name);
+
+      if (httpGet(http, uri))
+        httpGet(http, uri);
+
+      while (httpUpdate(http) == HTTP_CONTINUE);
+
+      if ((fd = cupsTempFd(filename, sizeof(filename))) >= 0)
+      {
+	while ((bytes = httpRead(http, buffer, sizeof(buffer))) > 0)
+          write(fd, buffer, bytes);
+
+	close(fd);
+
+        if ((ppd = ppdOpenFile(filename)) != NULL)
+	{
+	  if (ppd->manufacturer)
+	    cgiSetVariable("CURRENT_MAKE", ppd->manufacturer);
+	  if (ppd->nickname)
+	    cgiSetVariable("CURRENT_MAKE_AND_MODEL", ppd->nickname);
+
+          ppdClose(ppd);
+	}
+
+        unlink(filename);
+      }
+      else
+        httpFlush(http);
+    }
+
+   /*
+    * Build a CUPS_GET_PPDS request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_GET_PPDS;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, "ipp://localhost/printers/");
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      if ((var = cgiGetVariable("PPD_MAKE")) == NULL)
+      {
+       /*
+	* Let the user choose a make...
+	*/
+
+        for (element = 0, attr = response->attrs, last = NULL;
+	     attr != NULL;
+	     attr = attr->next)
+	  if (attr->name && strcmp(attr->name, "ppd-make") == 0)
+	    if (last == NULL ||
+	        strcasecmp(last->values[0].string.text,
+		           attr->values[0].string.text) != 0)
+	    {
+	      cgiSetArray("PPD_MAKE", element, attr->values[0].string.text);
+	      element ++;
+	      last = attr;
+	    }
+
+	cgiCopyTemplateLang(stdout, TEMPLATES, "choose-make.tmpl",
+	                    getenv("LANG"));
+      }
+      else
+      {
+       /*
+	* Let the user choose a model...
+	*/
+
+        strncpy(make, var, sizeof(make) - 1);
+	make[sizeof(make) - 1] = '\0';
+
+        ippSetCGIVars(response, "ppd-make", make);
+	cgiCopyTemplateLang(stdout, TEMPLATES, "choose-model.tmpl",
+	                    getenv("LANG"));
+      }
+
+      ippDelete(response);
+    }
+    else
+    {
+      char message[1024];
+
+
+      snprintf(message, sizeof(message), "Unable to get list of printer drivers: %s",
+               ippErrorString(cupsLastError()));
+      cgiSetVariable("ERROR", message);
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    }
+  }
+  else
+  {
+   /*
+    * Build a CUPS_ADD_PRINTER request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    *    printer-location
+    *    printer-info
+    *    ppd-name
+    *    device-uri
+    *    printer-is-accepting-jobs
+    *    printer-state
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_ADD_PRINTER;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s",
+             cgiGetVariable("PRINTER_NAME"));
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-location",
+                 NULL, cgiGetVariable("PRINTER_LOCATION"));
+
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info",
+                 NULL, cgiGetVariable("PRINTER_INFO"));
+
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_NAME, "ppd-name",
+                 NULL, cgiGetVariable("PPD_NAME"));
+
+    strncpy(uri, cgiGetVariable("DEVICE_URI"), sizeof(uri) - 1);
+    uri[sizeof(uri) - 1] = '\0';
+    if (strncmp(uri, "serial:", 7) == 0)
+    {
+     /*
+      * Update serial port URI to include baud rate, etc.
+      */
+
+      if ((uriptr = strchr(uri, '?')) == NULL)
+        uriptr = uri + strlen(uri);
+
+      snprintf(uriptr, sizeof(uri) - (uriptr - uri),
+               "?baud=%s+bits=%s+parity=%s+flow=%s",
+               cgiGetVariable("BAUDRATE"), cgiGetVariable("BITS"),
+	       cgiGetVariable("PARITY"), cgiGetVariable("FLOW"));
+    }
+
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri",
+                 NULL, uri);
+
+    ippAddBoolean(request, IPP_TAG_PRINTER, "printer-is-accepting-jobs", 1);
+
+    ippAddInteger(request, IPP_TAG_PRINTER, IPP_TAG_ENUM, "printer-state",
+                  IPP_PRINTER_IDLE);
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+    {
+      status = response->request.status.status_code;
+      ippDelete(response);
+    }
+    else
+      status = IPP_NOT_AUTHORIZED;
+
+    if (status > IPP_OK_CONFLICT)
+    {
+      cgiSetVariable("ERROR", ippErrorString(status));
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    }
+    else if (modify)
+      cgiCopyTemplateLang(stdout, TEMPLATES, "printer-modified.tmpl", getenv("LANG"));
+    else
+      cgiCopyTemplateLang(stdout, TEMPLATES, "printer-added.tmpl", getenv("LANG"));
+  }
+
+  if (oldinfo)
+    ippDelete(oldinfo);
+}
+
+
+/*
+ * 'do_config_printer()' - Configure the default options for a printer.
+ */
+
+static void
+do_config_printer(http_t      *http,	/* I - HTTP connection */
+                  cups_lang_t *language)/* I - Client's language */
+{
+  int		i, j, k;		/* Looping vars */
+  int		have_options;		/* Have options? */
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  ipp_attribute_t *attr;		/* IPP attribute */
+  char		uri[HTTP_MAX_URI];	/* Job URI */
+  const char	*var;			/* Variable value */
+  const char	*printer;		/* Printer printer name */
+  ipp_status_t	status;			/* Operation status... */
+  const char	*filename;		/* PPD filename */
+  char		tempfile[1024];		/* Temporary filename */
+  FILE		*in,			/* Input file */
+		*out;			/* Output file */
+  int		outfd;			/* Output file descriptor */
+  char		line[1024];		/* Line from PPD file */
+  char		keyword[1024],		/* Keyword from Default line */
+		*keyptr;		/* Pointer into keyword... */
+  ppd_file_t	*ppd;			/* PPD file */
+  ppd_group_t	*group;			/* Option group */
+  ppd_option_t	*option;		/* Option */
+
+
+ /*
+  * Get the printer name...
+  */
+
+  if ((printer = cgiGetVariable("PRINTER_NAME")) != NULL)
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+  else
+  {
+    cgiSetVariable("ERROR", ippErrorString(IPP_NOT_FOUND));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+ /*
+  * Get the PPD file...
+  */
+
+  if ((filename = cupsGetPPD(printer)) == NULL)
+  {
+    cgiSetVariable("ERROR", ippErrorString(IPP_NOT_FOUND));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+  ppd = ppdOpenFile(filename);
+
+  if (cgiGetVariable("job_sheets_start") != NULL ||
+      cgiGetVariable("job_sheets_end") != NULL)
+    have_options = 1;
+  else
+    have_options = 0;
+
+  for (i = ppd->num_groups, group = ppd->groups;
+       i > 0 && !have_options;
+       i --, group ++)
+    for (j = group->num_options, option = group->options;
+         j > 0;
+	 j --, option ++)
+      if ((var = cgiGetVariable(option->keyword)) != NULL)
+      {
+        have_options = 1;
+	break;
+      }
+
+  if (!have_options)
+  {
+   /*
+    * Show the options to the user...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "config-printer.tmpl",
+                        getenv("LANG"));
+
+    for (i = ppd->num_groups, group = ppd->groups;
+	 i > 0;
+	 i --, group ++)
+    {
+      cgiSetVariable("GROUP", group->text);
+      cgiCopyTemplateLang(stdout, TEMPLATES, "option-header.tmpl",
+                          getenv("LANG"));
+      
+      for (j = group->num_options, option = group->options;
+           j > 0;
+	   j --, option ++)
+      {
+        if (strcmp(option->keyword, "PageRegion") == 0)
+	  continue;
+
+        cgiSetVariable("KEYWORD", option->keyword);
+        cgiSetVariable("KEYTEXT", option->text);
+	cgiSetVariable("DEFCHOICE", option->defchoice);
+
+	cgiSetSize("CHOICES", option->num_choices);
+	cgiSetSize("TEXT", option->num_choices);
+	for (k = 0; k < option->num_choices; k ++)
+	{
+	  cgiSetArray("CHOICES", k, option->choices[k].choice);
+	  cgiSetArray("TEXT", k, option->choices[k].text);
+	}
+
+        switch (option->ui)
+	{
+	  case PPD_UI_BOOLEAN :
+              cgiCopyTemplateLang(stdout, TEMPLATES, "option-boolean.tmpl",
+	                          getenv("LANG"));
+              break;
+	  case PPD_UI_PICKONE :
+              cgiCopyTemplateLang(stdout, TEMPLATES, "option-pickone.tmpl",
+	                          getenv("LANG"));
+              break;
+	  case PPD_UI_PICKMANY :
+              cgiCopyTemplateLang(stdout, TEMPLATES, "option-pickmany.tmpl",
+	                          getenv("LANG"));
+              break;
+	}
+      }
+
+      cgiCopyTemplateLang(stdout, TEMPLATES, "option-trailer.tmpl",
+                          getenv("LANG"));
+    }
+
+   /*
+    * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
+    * following attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s",
+             cgiGetVariable("PRINTER_NAME"));
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      if ((attr = ippFindAttribute(response, "job-sheets-supported", IPP_TAG_ZERO)) != NULL)
+      {
+       /*
+	* Add the job sheets options...
+	*/
+
+	cgiSetVariable("GROUP", "Banners");
+	cgiCopyTemplateLang(stdout, TEMPLATES, "option-header.tmpl",
+                            getenv("LANG"));
+
+	cgiSetSize("CHOICES", attr->num_values);
+	cgiSetSize("TEXT", attr->num_values);
+	for (k = 0; k < attr->num_values; k ++)
+	{
+	  cgiSetArray("CHOICES", k, attr->values[k].string.text);
+	  cgiSetArray("TEXT", k, attr->values[k].string.text);
+	}
+
+        attr = ippFindAttribute(response, "job-sheets-default", IPP_TAG_ZERO);
+
+        cgiSetVariable("KEYWORD", "job_sheets_start");
+        cgiSetVariable("KEYTEXT", "Starting Banner");
+        cgiSetVariable("DEFCHOICE", attr == NULL ?
+	                            "" : attr->values[0].string.text);
+
+	cgiCopyTemplateLang(stdout, TEMPLATES, "option-pickone.tmpl",
+	                    getenv("LANG"));
+
+        cgiSetVariable("KEYWORD", "job_sheets_end");
+        cgiSetVariable("KEYTEXT", "Ending Banner");
+        cgiSetVariable("DEFCHOICE", attr == NULL && attr->num_values > 1 ?
+	                            "" : attr->values[1].string.text);
+
+	cgiCopyTemplateLang(stdout, TEMPLATES, "option-pickone.tmpl",
+	                    getenv("LANG"));
+
+	cgiCopyTemplateLang(stdout, TEMPLATES, "option-trailer.tmpl",
+                            getenv("LANG"));
+      }
+
+      ippDelete(response);
+    }
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "config-printer2.tmpl",
+                        getenv("LANG"));
+  }
+  else
+  {
+   /*
+    * Set default options...
+    */
+
+    outfd = cupsTempFd(tempfile, sizeof(tempfile));
+    in    = fopen(filename, "rb");
+    out   = fdopen(outfd, "wb");
+
+    if (outfd < 0 || in == NULL || out == NULL)
+    {
+      cgiSetVariable("ERROR", strerror(errno));
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+      unlink(filename);
+      return;
+    }
+
+    while (get_line(line, sizeof(line), in) != NULL)
+    {
+      if (strncmp(line, "*Default", 8) != 0)
+        fprintf(out, "%s\n", line);
+      else
+      {
+       /*
+        * Get default option name...
+	*/
+
+        strncpy(keyword, line + 8, sizeof(keyword) - 1);
+	keyword[sizeof(keyword) - 1] = '\0';
+
+	for (keyptr = keyword; *keyptr; keyptr ++)
+	  if (*keyptr == ':' || isspace(*keyptr))
+	    break;
+
+        *keyptr = '\0';
+
+        if (strcmp(keyword, "PageRegion") == 0)
+	  var = cgiGetVariable("PageSize");
+	else
+	  var = cgiGetVariable(keyword);
+
+        if (var != NULL)
+	  fprintf(out, "*Default%s: %s\n", keyword, var);
+	else
+	  fprintf(out, "%s\n", line);
+      }
+    }
+
+    fclose(in);
+    fclose(out);
+    close(outfd);
+
+   /*
+    * Build a CUPS_ADD_PRINTER request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    *    job-sheets-default
+    *    [ppd file]
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_ADD_PRINTER;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s",
+             cgiGetVariable("PRINTER_NAME"));
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+    attr = ippAddStrings(request, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                         "job-sheets-default", 2, NULL, NULL);
+    attr->values[0].string.text = strdup(cgiGetVariable("job_sheets_start"));
+    attr->values[1].string.text = strdup(cgiGetVariable("job_sheets_end"));
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoFileRequest(http, request, "/admin/", tempfile)) != NULL)
+    {
+      status = response->request.status.status_code;
+      ippDelete(response);
+    }
+    else
+      status = IPP_NOT_AUTHORIZED;
+
+    if (status > IPP_OK_CONFLICT)
+    {
+      cgiSetVariable("ERROR", ippErrorString(status));
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    }
+    else
+      cgiCopyTemplateLang(stdout, TEMPLATES, "printer-configured.tmpl", getenv("LANG"));
+
+    unlink(tempfile);
+  }
+
+  unlink(filename);
+}
+
+
+/*
+ * 'do_delete_class()' - Delete a class...
+ */
+
+static void
+do_delete_class(http_t      *http,	/* I - HTTP connection */
+                cups_lang_t *language)	/* I - Client's language */
+{
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  char		uri[HTTP_MAX_URI];	/* Job URI */
+  const char	*pclass;		/* Printer class name */
+  ipp_status_t	status;			/* Operation status... */
+
+
+  if (cgiGetVariable("CONFIRM") == NULL)
+  {
+    cgiCopyTemplateLang(stdout, TEMPLATES, "class-confirm.tmpl", getenv("LANG"));
+    return;
+  }
+
+  if ((pclass = cgiGetVariable("PRINTER_NAME")) != NULL)
+    snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s", pclass);
+  else
+  {
+    cgiSetVariable("ERROR", ippErrorString(IPP_NOT_FOUND));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+ /*
+  * Build a CUPS_DELETE_CLASS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_DELETE_CLASS;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+  {
+    status = response->request.status.status_code;
+
+    ippDelete(response);
+  }
+  else
+    status = IPP_GONE;
+
+  if (status > IPP_OK_CONFLICT)
+  {
+    cgiSetVariable("ERROR", ippErrorString(status));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+  }
+  else
+    cgiCopyTemplateLang(stdout, TEMPLATES, "class-deleted.tmpl", getenv("LANG"));
+}
+
+
+/*
+ * 'do_delete_printer()' - Delete a printer...
+ */
+
+static void
+do_delete_printer(http_t      *http,	/* I - HTTP connection */
+                  cups_lang_t *language)/* I - Client's language */
+{
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  char		uri[HTTP_MAX_URI];	/* Job URI */
+  const char	*printer;		/* Printer printer name */
+  ipp_status_t	status;			/* Operation status... */
+
+
+  if (cgiGetVariable("CONFIRM") == NULL)
+  {
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printer-confirm.tmpl", getenv("LANG"));
+    return;
+  }
+
+  if ((printer = cgiGetVariable("PRINTER_NAME")) != NULL)
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+  else
+  {
+    cgiSetVariable("ERROR", ippErrorString(IPP_NOT_FOUND));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+ /*
+  * Build a CUPS_DELETE_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_DELETE_PRINTER;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+  {
+    status = response->request.status.status_code;
+
+    ippDelete(response);
+  }
+  else
+    status = IPP_GONE;
+
+  if (status > IPP_OK_CONFLICT)
+  {
+    cgiSetVariable("ERROR", ippErrorString(status));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+  }
+  else
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printer-deleted.tmpl", getenv("LANG"));
+}
+
+
+/*
+ * 'do_job_op()' - Do a job operation.
+ */
+
+static void
+do_job_op(http_t      *http,		/* I - HTTP connection */
+          cups_lang_t *language,	/* I - Client's language */
+	  ipp_op_t    op)		/* I - Operation to perform */
+{
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  char		uri[HTTP_MAX_URI];	/* Job URI */
+  const char	*job;			/* Job ID */
+  const char	*printer;		/* Printer name (purge-jobs) */
+  ipp_status_t	status;			/* Operation status... */
+
+
+  if ((job = cgiGetVariable("JOB_ID")) != NULL)
+    snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%s", job);
+  else if ((printer = cgiGetVariable("PRINTER_NAME")) != NULL)
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+  else
+  {
+    cgiSetVariable("ERROR", ippErrorString(IPP_NOT_FOUND));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+ /*
+  * Build a job request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    job-uri or printer-uri (purge-jobs)
+  *    requesting-user-name
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = op;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  if (job)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
+                 NULL, uri);
+  else
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+                 NULL, uri);
+
+  if (getenv("REMOTE_USER") != NULL)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+                 NULL, getenv("REMOTE_USER"));
+  else
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+                 NULL, "root");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+  {
+    status = response->request.status.status_code;
+
+    ippDelete(response);
+  }
+  else
+    status = IPP_GONE;
+
+  if (status > IPP_OK_CONFLICT)
+  {
+    cgiSetVariable("ERROR", ippErrorString(status));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+  }
+  else if (op == IPP_CANCEL_JOB)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "job-cancel.tmpl", getenv("LANG"));
+  else if (op == IPP_HOLD_JOB)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "job-hold.tmpl", getenv("LANG"));
+  else if (op == IPP_RELEASE_JOB)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "job-release.tmpl", getenv("LANG"));
+  else if (op == IPP_RESTART_JOB)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "job-restart.tmpl", getenv("LANG"));
+}
+
+
+/*
+ * 'do_printer_op()' - Do a printer operation.
+ */
+
+static void
+do_printer_op(http_t      *http,	/* I - HTTP connection */
+              cups_lang_t *language,	/* I - Client's language */
+	      ipp_op_t    op)		/* I - Operation to perform */
+{
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  char		uri[HTTP_MAX_URI];	/* Printer URI */
+  const char	*printer;		/* Printer name (purge-jobs) */
+  ipp_status_t	status;			/* Operation status... */
+
+
+  if ((printer = cgiGetVariable("PRINTER_NAME")) != NULL)
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+  else
+  {
+    cgiSetVariable("ERROR", ippErrorString(IPP_NOT_FOUND));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    return;
+  }
+
+ /*
+  * Build a printer request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = op;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+  {
+    status = response->request.status.status_code;
+
+    ippDelete(response);
+  }
+  else
+    status = IPP_GONE;
+
+  if (status > IPP_OK_CONFLICT)
+  {
+    cgiSetVariable("ERROR", ippErrorString(status));
+    cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+  }
+  else if (op == IPP_PAUSE_PRINTER)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printer-stop.tmpl", getenv("LANG"));
+  else if (op == IPP_RESUME_PRINTER)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printer-start.tmpl", getenv("LANG"));
+  else if (op == CUPS_ACCEPT_JOBS)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printer-accept.tmpl", getenv("LANG"));
+  else if (op == CUPS_REJECT_JOBS)
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printer-reject.tmpl", getenv("LANG"));
+}
+
+
+/*
+ * 'get_line()' - Get a line that is terminated by a LF, CR, or CR LF.
+ */
+
+static char *		/* O - Pointer to buf or NULL on EOF */
+get_line(char *buf,	/* I - Line buffer */
+         int  length,	/* I - Length of buffer */
+	 FILE *fp)	/* I - File to read from */
+{
+  char	*bufptr;	/* Pointer into buffer */
+  int	ch;		/* Character from file */
+
+
+  length --;
+  bufptr = buf;
+
+  while ((ch = getc(fp)) != EOF)
+  {
+    if (ch == '\n')
+      break;
+    else if (ch == '\r')
+    {
+     /*
+      * Look for LF...
+      */
+
+      ch = getc(fp);
+      if (ch != '\n' && ch != EOF)
+        ungetc(ch, fp);
+
+      break;
+    }
+
+    *bufptr++ = ch;
+    length --;
+    if (length == 0)
+      break;
+  }
+
+  *bufptr = '\0';
+
+  if (ch == EOF)
+    return (NULL);
+  else
+    return (buf);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/cgi.h b/cgi-bin/cgi.h
new file mode 100644
index 000000000..5c0bac189
--- /dev/null
+++ b/cgi-bin/cgi.h
@@ -0,0 +1,96 @@
+/*
+ * "$Id$"
+ *
+ *   CGI support library definitions.
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   This program is free software; you can redistribute it and/or modify it
+ *   under the terms of the GNU General Public License as published by the Free
+ *   Software Foundation; either version 2 of the License, or (at your option)
+ *   any later version.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ *   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *   for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _CGI_H_
+#  define _CGI_H_
+
+#  include <stdio.h>
+#  include <stdlib.h>
+#  include <string.h>
+#  include <ctype.h>
+#  include <time.h>
+
+#  ifdef WIN32
+#    include <direct.h>
+#    include <io.h>
+#    include <malloc.h>
+#  else
+#    include <unistd.h>
+#  endif /* WIN32 */
+
+
+/*
+ * Stuff for WIN32 and OS/2...
+ */
+
+#  if defined(WIN32) || defined(__EMX__)
+#    define strcasecmp  stricmp
+#    define strncasecmp strnicmp
+#  endif /* WIN32 || __EMX__ */
+
+
+/*
+ * Prototypes...
+ */
+
+extern int		cgiInitialize(void);
+extern void		cgiAbort(const char *title, const char *stylesheet,
+			         const char *format, ...);
+extern int		cgiCheckVariables(const char *names);
+extern const char	*cgiGetArray(const char *name, int element);
+extern int		cgiGetSize(const char *name);
+extern void		cgiSetSize(const char *name, int size);
+extern const char	*cgiGetVariable(const char *name);
+extern void		cgiSetArray(const char *name, int element,
+			            const char *value);
+extern void		cgiSetVariable(const char *name, const char *value);
+extern void		cgiCopyTemplateFile(FILE *out, const char *tmpl);
+extern void		cgiCopyTemplateLang(FILE *out, const char *directory,
+			                    const char *tmpl, const char *lang);
+
+extern void		cgiStartHTML(FILE *out, const char *author,
+			             const char *stylesheet,
+			             const char *keywords,
+			             const char *description,
+				     const char *title, ...);
+extern void		cgiEndHTML(FILE *out);
+
+extern FILE		*cgiEMailOpen(const char *from, const char *to,
+			              const char *cc, const char *subject,
+				      int multipart);
+extern void		cgiEMailPart(FILE *mail, const char *type,
+			             const char *charset, const char *encoding);
+extern void		cgiEMailClose(FILE *mail);
+
+extern char		*cgiGetCookie(const char *name, char *buf, int buflen);
+extern void		cgiSetCookie(const char *name, const char *value,
+			             const char *path, const char *domain,
+				     time_t expires, int secure);
+
+#  define cgiGetUser()	getenv("REMOTE_USER")
+#  define cgiGetHost()	(getenv("REMOTE_HOST") == NULL ? getenv("REMOTE_ADDR") : getenv("REMOTE_HOST"))
+
+#endif /* !_CGI_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/classes.c b/cgi-bin/classes.c
new file mode 100644
index 000000000..16a17b18c
--- /dev/null
+++ b/cgi-bin/classes.c
@@ -0,0 +1,360 @@
+/*
+ * "$Id$"
+ *
+ *   Class status CGI for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Main entry for CGI.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ipp-var.h"
+
+
+/*
+ * 'main()' - Main entry for CGI.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  cups_lang_t	*language;	/* Language information */
+  char		*pclass;	/* Printer class name */
+  http_t	*http;		/* Connection to the server */
+  ipp_t		*request,	/* IPP request */
+		*response;	/* IPP response */
+  ipp_attribute_t *attr;	/* IPP attribute */
+  ipp_status_t	status;		/* Operation status... */
+  char		uri[HTTP_MAX_URI];
+				/* Printer URI */
+  const char	*which_jobs;	/* Which jobs to show */
+  const char	*op;		/* Operation to perform, if any */
+
+
+ /*
+  * Get any form variables...
+  */
+
+  cgiInitialize();
+  op = cgiGetVariable("OP");
+
+ /*
+  * Get the request language...
+  */
+
+  language = cupsLangDefault();
+
+ /*
+  * Connect to the HTTP server...
+  */
+
+  http = httpConnectEncrypt("localhost", ippPort(), cupsEncryption());
+
+ /*
+  * Tell the client to expect HTML...
+  */
+
+  printf("Content-Type: text/html;charset=%s\n\n", cupsLangEncoding(language));
+
+ /*
+  * See if we need to show a list of printers or the status of a
+  * single printer...
+  */
+
+  ippSetServerVersion();
+
+  pclass = argv[0];
+  if (strcmp(pclass, "/") == 0 || strcmp(pclass, "classes.cgi") == 0)
+  {
+    pclass = NULL;
+    cgiSetVariable("TITLE", cupsLangString(language, CUPS_MSG_CLASS));
+  }
+  else
+    cgiSetVariable("TITLE", pclass);
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "header.tmpl", getenv("LANG"));
+
+  if (op == NULL || strcasecmp(op, "print-test-page") != 0)
+  {
+   /*
+    * Get the default destination...
+    */
+
+    request = ippNew();
+    request->request.op.operation_id = CUPS_GET_DEFAULT;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL)
+        cgiSetVariable("DEFAULT_NAME", attr->values[0].string.text);
+
+      if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
+      {
+	char	method[HTTP_MAX_URI],
+		username[HTTP_MAX_URI],
+		hostname[HTTP_MAX_URI],
+		resource[HTTP_MAX_URI],
+		uri[HTTP_MAX_URI];
+	int	port;			/* URI data */
+	const char *server;		/* Name of server */
+
+
+       /*
+	* Map localhost access to localhost...
+	*/
+
+        server = getenv("SERVER_NAME");
+
+	httpSeparate(attr->values[0].string.text, method, username,
+		     hostname, &port, resource);
+
+	if (strcasecmp(hostname, server) == 0 &&
+	    (strcmp(getenv("REMOTE_HOST"), "127.0.0.1") == 0 ||
+	     strcmp(getenv("REMOTE_HOST"), "localhost") == 0 ||
+	     strcmp(getenv("REMOTE_HOST"), server) == 0))
+	  strcpy(hostname, "localhost");
+
+       /*
+	* Rewrite URI with HTTP address...
+	*/
+
+	snprintf(uri, sizeof(uri), "http://%s:%d%s", hostname, port,
+		 resource);
+
+        cgiSetVariable("DEFAULT_URI", uri);
+      }
+
+      ippDelete(response);
+    }
+
+   /*
+    * Get the class info...
+    */
+
+    request = ippNew();
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    if (pclass == NULL)
+    {
+     /*
+      * Build a CUPS_GET_CLASSES request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      */
+
+      request->request.op.operation_id = CUPS_GET_CLASSES;
+      request->request.op.request_id   = 1;
+    }
+    else
+    {
+     /*
+      * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri
+      */
+
+      request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+      request->request.op.request_id   = 1;
+
+      snprintf(uri, sizeof(uri), "ipp://%s/classes/%s", getenv("SERVER_NAME"),
+               pclass);
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
+                   uri);
+    }
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      ippSetCGIVars(response, NULL, NULL);
+      ippDelete(response);
+    }
+
+   /*
+    * Write the report...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "classes.tmpl", getenv("LANG"));
+
+   /*
+    * Get jobs for the specified class if a class has been chosen...
+    */
+
+    if (pclass != NULL)
+    {
+     /*
+      * Build an IPP_GET_JOBS request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri
+      */
+
+      request = ippNew();
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	   "attributes-natural-language", NULL, language->language);
+
+      request->request.op.operation_id = IPP_GET_JOBS;
+      request->request.op.request_id   = 1;
+
+      snprintf(uri, sizeof(uri), "ipp://%s/classes/%s", getenv("SERVER_NAME"),
+               pclass);
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
+                   uri);
+
+      if ((which_jobs = cgiGetVariable("which_jobs")) != NULL)
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs",
+                     NULL, which_jobs);
+
+     /*
+      * Do the request and get back a response...
+      */
+
+      if ((response = cupsDoRequest(http, request, "/")) != NULL)
+      {
+	ippSetCGIVars(response, NULL, NULL);
+	ippDelete(response);
+
+	cgiCopyTemplateLang(stdout, TEMPLATES, "jobs.tmpl", getenv("LANG"));
+      }
+    }
+  }
+  else
+  {
+   /*
+    * Print a test page...
+    */
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s", pclass);
+
+   /*
+    * Build an IPP_PRINT_JOB request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    *    requesting-user-name
+    *    document-format
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = IPP_PRINT_JOB;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+        	 NULL, uri);
+
+    if (getenv("REMOTE_USER") != NULL)
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+                   NULL, getenv("REMOTE_USER"));
+    else
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+                   NULL, "root");
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name",
+        	 NULL, "Test Page");
+
+    ippAddString(request, IPP_TAG_JOB, IPP_TAG_MIMETYPE, "document-format",
+        	 NULL, "application/postscript");
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoFileRequest(http, request, uri + 15,
+                                      CUPS_DATADIR "/data/testprint.ps")) != NULL)
+    {
+      status = response->request.status.status_code;
+      ippSetCGIVars(response, NULL, NULL);
+
+      ippDelete(response);
+    }
+    else
+      status = IPP_GONE;
+
+    cgiSetVariable("PRINTER_NAME", pclass);
+
+    if (status > IPP_OK_CONFLICT)
+    {
+      cgiSetVariable("ERROR", ippErrorString(status));
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    }
+    else
+      cgiCopyTemplateLang(stdout, TEMPLATES, "test-page.tmpl", getenv("LANG"));
+  }
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "trailer.tmpl", getenv("LANG"));
+
+ /*
+  * Close the HTTP server connection...
+  */
+
+  httpClose(http);
+  cupsLangFree(language);
+
+ /*
+  * Return with no errors...
+  */
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/html.c b/cgi-bin/html.c
new file mode 100644
index 000000000..ac2291ee4
--- /dev/null
+++ b/cgi-bin/html.c
@@ -0,0 +1,89 @@
+/*
+ * "$Id$"
+ *
+ *   CGI HTML functions.
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   This program is free software; you can redistribute it and/or modify it
+ *   under the terms of the GNU General Public License as published by the Free
+ *   Software Foundation; either version 2 of the License, or (at your option)
+ *   any later version.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ *   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *   for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Contents:
+ *
+ *   cgiStartHTML() - Start an HTML document stream.
+ *   cgiEndHTML()   - End an HTML document stream.
+ */
+
+#include "cgi.h"
+#include <stdarg.h>
+
+
+/*
+ * 'cgiStartHTML()' - Start an HTML document stream.
+ */
+
+void
+cgiStartHTML(FILE       *out,		/* I - Output file to use */
+             const char *stylesheet,	/* I - Stylesheet to use */
+	     const char *author,	/* I - Author name */
+	     const char *keywords,	/* I - Search keywords */
+	     const char *description,	/* I - Description of document */
+             const char *title,		/* I - Title for page */
+             ...)			/* I - Any addition args for title */
+{
+  va_list	ap;			/* Argument pointer */
+
+
+  fputs("Content-type: text/html\n\n", out);
+  fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" "
+        "\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n", out);
+  fputs("<HTML>\n", out);
+  fputs("<HEAD>\n", out);
+
+  fputs("\t<TITLE>\n", out);
+    va_start(ap, title);
+    vfprintf(out, title, ap);
+    va_end(ap);
+  fputs("</TITLE>\n", out);
+
+  if (stylesheet)
+    fprintf(out, "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=\"%s\">\n",
+            stylesheet);
+  if (author)
+    fprintf(out, "\t<META NAME=\"AUTHOR\" CONTENT=\"%s\">\n", author);
+  if (keywords)
+    fprintf(out, "\t<META NAME=\"KEYWORDS\" CONTENT=\"%s\">\n", keywords);
+  if (description)
+    fprintf(out, "\t<META NAME=\"DESCRIPTION\" CONTENT=\"%s\">\n", description);
+
+  fputs("</HEAD>\n", out);
+  fputs("<BODY>\n", out);
+}
+
+
+/*
+ * 'cgiEndHTML()' - End an HTML document stream.
+ */
+
+void
+cgiEndHTML(FILE *out)	/* I - Output file to use */
+{
+  fputs("</BODY>\n", out);
+  fputs("</HTML>\n", out);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/ipp-var.c b/cgi-bin/ipp-var.c
new file mode 100644
index 000000000..17ce3eaac
--- /dev/null
+++ b/cgi-bin/ipp-var.c
@@ -0,0 +1,299 @@
+/*
+ * "$Id$"
+ *
+ *   IPP variable routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ippGetTemplateDir()   - Get the templates directory...
+ *   ippSetServerVersion() - Set the server name and CUPS version...
+ *   ippSetCGIVars()       - Set CGI variables from an IPP response.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ipp-var.h"
+
+
+/*
+ * 'ippGetTemplateDir()' - Get the templates directory...
+ */
+
+char *					/* O - Template directory */
+ippGetTemplateDir(void)
+{
+  const char	*datadir;		/* CUPS_DATADIR env var */
+  static char	templates[1024] = "";	/* Template directory */
+
+
+  if (!templates[0])
+  {
+   /*
+    * Build the template directory pathname...
+    */
+
+    if ((datadir = getenv("CUPS_DATADIR")) == NULL)
+      datadir = CUPS_DATADIR;
+
+    snprintf(templates, sizeof(templates), "%s/templates", datadir);
+  }
+
+  return (templates);
+}
+
+
+/*
+ * 'ippSetServerVersion()' - Set the server name and CUPS version...
+ */
+
+void
+ippSetServerVersion(void)
+{
+  cgiSetVariable("SERVER_NAME", getenv("SERVER_NAME"));
+  cgiSetVariable("REMOTE_USER", getenv("REMOTE_USER"));
+  cgiSetVariable("CUPS_VERSION", CUPS_SVERSION);
+}
+
+
+/*
+ * 'ippSetCGIVars()' - Set CGI variables from an IPP response.
+ */
+
+void
+ippSetCGIVars(ipp_t      *response,	/* I - Response data to be copied... */
+              const char *filter_name,	/* I - Filter name */
+	      const char *filter_value)	/* I - Filter value */
+{
+  int			element;	/* Element in CGI array */
+  ipp_attribute_t	*attr,		/* Attribute in response... */
+			*filter;	/* Filtering attribute */
+  int			i;		/* Looping var */
+  char			name[1024],	/* Name of attribute */
+			value[16384],	/* Value(s) */
+			*valptr;	/* Pointer into value */
+  char			method[HTTP_MAX_URI],
+			username[HTTP_MAX_URI],
+			hostname[HTTP_MAX_URI],
+			resource[HTTP_MAX_URI],
+			uri[HTTP_MAX_URI];
+  int			port;		/* URI data */
+  int			ishttps;	/* Using encryption? */
+  const char		*server;	/* Name of server */
+  struct tm		*date;		/* Date information */
+
+
+  ippSetServerVersion();
+
+  server  = getenv("SERVER_NAME");
+  ishttps = getenv("HTTPS") != NULL;
+
+  for (attr = response->attrs;
+       attr && attr->group_tag == IPP_TAG_OPERATION;
+       attr = attr->next);
+
+  for (element = 0; attr != NULL; attr = attr->next, element ++)
+  {
+   /*
+    * Copy attributes to a separator...
+    */
+
+    if (filter_name)
+    {
+      for (filter = attr;
+           filter != NULL && filter->group_tag != IPP_TAG_ZERO;
+           filter = filter->next)
+        if (filter->name && strcmp(filter->name, filter_name) == 0 &&
+	    (filter->value_tag == IPP_TAG_STRING ||
+	     (filter->value_tag >= IPP_TAG_TEXTLANG &&
+	      filter->value_tag <= IPP_TAG_MIMETYPE)) &&
+	    filter->values[0].string.text != NULL &&
+	    strcasecmp(filter->values[0].string.text, filter_value) == 0)
+	  break;
+
+      if (!filter)
+        return;
+
+      if (filter->group_tag == IPP_TAG_ZERO)
+      {
+        attr = filter;
+	element --;
+	continue;
+      }
+    }
+
+    for (; attr != NULL && attr->group_tag != IPP_TAG_ZERO; attr = attr->next)
+    {
+     /*
+      * Copy the attribute name, substituting "_" for "-"...
+      */
+
+      if (attr->name == NULL)
+        continue;
+
+      for (i = 0; attr->name[i]; i ++)
+        if (attr->name[i] == '-')
+	  name[i] = '_';
+	else
+          name[i] = attr->name[i];
+
+      name[i] = '\0';
+
+     /*
+      * Add "job_printer_name" variable if we have a "job_printer_uri"
+      * attribute...
+      */
+
+      if (strcmp(name, "job_printer_uri") == 0)
+      {
+        if ((valptr = strrchr(attr->values[0].string.text, '/')) == NULL)
+	  valptr = "unknown";
+	else
+	  valptr ++;
+
+        cgiSetArray("job_printer_name", element, valptr);
+      }
+
+     /*
+      * Copy values...
+      */
+
+      value[0]                 = '\0';	/* Initially an empty string */
+      value[sizeof(value) - 1] = '\0';	/* In case string gets full */
+      valptr                   = value; /* Start at the beginning */
+
+      for (i = 0; i < attr->num_values; i ++)
+      {
+	if (i)
+	  strncat(valptr, ",", sizeof(value) - (valptr - value) - 1);
+
+	valptr += strlen(valptr);
+
+	switch (attr->value_tag)
+	{
+	  case IPP_TAG_INTEGER :
+	  case IPP_TAG_ENUM :
+	      if (strncmp(name, "time_at_", 8) == 0)
+	      {
+	        date = localtime((time_t *)&(attr->values[i].integer));
+		strftime(valptr, sizeof(value) - (valptr - value),
+		         CUPS_STRFTIME_FORMAT, date);
+	      }
+	      else
+	        snprintf(valptr, sizeof(value) - (valptr - value),
+		         "%d", attr->values[i].integer);
+	      break;
+
+	  case IPP_TAG_BOOLEAN :
+	      snprintf(valptr, sizeof(value) - (valptr - value),
+	               "%d", attr->values[i].boolean);
+	      break;
+
+	  case IPP_TAG_NOVALUE :
+	      strncat(valptr, "novalue", sizeof(value) - (valptr - value) - 1);
+	      break;
+
+	  case IPP_TAG_RANGE :
+	      snprintf(valptr, sizeof(value) - (valptr - value),
+	               "%d-%d", attr->values[i].range.lower,
+		       attr->values[i].range.upper);
+	      break;
+
+	  case IPP_TAG_RESOLUTION :
+	      snprintf(valptr, sizeof(value) - (valptr - value),
+	               "%dx%d%s", attr->values[i].resolution.xres,
+		       attr->values[i].resolution.yres,
+		       attr->values[i].resolution.units == IPP_RES_PER_INCH ?
+			   "dpi" : "dpc");
+	      break;
+
+	  case IPP_TAG_URI :
+	      if (strchr(attr->values[i].string.text, ':') != NULL)
+	      {
+		httpSeparate(attr->values[i].string.text, method, username,
+		             hostname, &port, resource);
+
+        	if (strcmp(method, "ipp") == 0 ||
+	            strcmp(method, "http") == 0)
+        	{
+        	 /*
+		  * Map localhost access to localhost and local port...
+		  */
+
+        	  if (strcasecmp(hostname, server) == 0 &&
+	              (strcmp(getenv("REMOTE_HOST"), "127.0.0.1") == 0 ||
+		       strcmp(getenv("REMOTE_HOST"), "localhost") == 0 ||
+		       strcmp(getenv("REMOTE_HOST"), server) == 0))
+		  {
+		    strcpy(hostname, "localhost");
+		    port = atoi(getenv("SERVER_PORT"));
+		  }
+
+        	 /*
+		  * Rewrite URI with HTTP address...
+		  */
+
+		  if (username[0])
+		    snprintf(uri, sizeof(uri), "%s://%s@%s:%d%s",
+		             ishttps ? "https" : "http",
+		             username, hostname, port, resource);
+        	  else
+		    snprintf(uri, sizeof(uri), "%s://%s:%d%s", 
+		             ishttps ? "https" : "http",
+			     hostname, port, resource);
+
+		  strncat(valptr, uri, sizeof(value) - (valptr - value) - 1);
+        	  break;
+        	}
+              }
+
+          case IPP_TAG_STRING :
+	  case IPP_TAG_TEXT :
+	  case IPP_TAG_NAME :
+	  case IPP_TAG_KEYWORD :
+	  case IPP_TAG_CHARSET :
+	  case IPP_TAG_LANGUAGE :
+	      strncat(valptr, attr->values[i].string.text,
+	              sizeof(value) - (valptr - value) - 1);
+	      break;
+
+          default :
+	      break; /* anti-compiler-warning-code */
+	}
+      }
+
+     /*
+      * Add the element...
+      */
+
+      cgiSetArray(name, element, value);
+    }
+
+    if (attr == NULL)
+      break;
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/ipp-var.h b/cgi-bin/ipp-var.h
new file mode 100644
index 000000000..0ce4163a9
--- /dev/null
+++ b/cgi-bin/ipp-var.h
@@ -0,0 +1,55 @@
+/*
+ * "$Id$"
+ *
+ *   IPP variable definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <ctype.h>
+#include <cups/cups.h>
+#include <cups/debug.h>
+#include <cups/language.h>
+#include <cups/string.h>
+#include "cgi.h"
+
+
+/*
+ * Definitions...
+ */
+
+#define TEMPLATES	ippGetTemplateDir()
+
+
+/*
+ * Prototype...
+ */
+
+extern char	*ippGetTemplateDir(void);
+extern void	ippSetServerVersion(void);
+extern void	ippSetCGIVars(ipp_t *, const char *, const char *);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/jobs.c b/cgi-bin/jobs.c
new file mode 100644
index 000000000..571f2f20a
--- /dev/null
+++ b/cgi-bin/jobs.c
@@ -0,0 +1,139 @@
+/*
+ * "$Id$"
+ *
+ *   Job status CGI for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Main entry for CGI.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ipp-var.h"
+
+
+/*
+ * 'main()' - Main entry for CGI.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  cups_lang_t	*language;	/* Language information */
+  http_t	*http;		/* Connection to the server */
+  const char	*which_jobs;	/* Which jobs to show */
+  ipp_t		*request,	/* IPP request */
+		*response;	/* IPP response */
+ 
+
+ /*
+  * Get any form variables...
+  */
+
+  cgiInitialize();
+
+ /*
+  * Get the request language...
+  */
+
+  language = cupsLangDefault();
+
+ /*
+  * Connect to the HTTP server...
+  */
+
+  http = httpConnectEncrypt("localhost", ippPort(), cupsEncryption());
+
+ /*
+  * Tell the client to expect HTML...
+  */
+
+  printf("Content-Type: text/html;charset=%s\n\n", cupsLangEncoding(language));
+
+  cgiSetVariable("TITLE", "Jobs");
+
+  ippSetServerVersion();
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "header.tmpl", getenv("LANG"));
+
+ /*
+  * Build an IPP_GET_JOBS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  request->request.op.operation_id = IPP_GET_JOBS;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL,
+               "ipp://localhost/jobs");
+
+  if ((which_jobs = cgiGetVariable("which_jobs")) != NULL)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs",
+                 NULL, which_jobs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    ippSetCGIVars(response, NULL, NULL);
+    ippDelete(response);
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "jobs.tmpl", getenv("LANG"));
+  }
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "trailer.tmpl", getenv("LANG"));
+
+ /*
+  * Close the HTTP server connection...
+  */
+
+  httpClose(http);
+  cupsLangFree(language);
+
+ /*
+  * Return with no errors...
+  */
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/printers.c b/cgi-bin/printers.c
new file mode 100644
index 000000000..91222a628
--- /dev/null
+++ b/cgi-bin/printers.c
@@ -0,0 +1,360 @@
+/*
+ * "$Id$"
+ *
+ *   Printer status CGI for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Main entry for CGI.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ipp-var.h"
+
+
+/*
+ * 'main()' - Main entry for CGI.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  cups_lang_t	*language;	/* Language information */
+  char		*printer;	/* Printer name */
+  http_t	*http;		/* Connection to the server */
+  ipp_t		*request,	/* IPP request */
+		*response;	/* IPP response */
+  ipp_attribute_t *attr;	/* IPP attribute */
+  ipp_status_t	status;		/* Operation status... */
+  char		uri[HTTP_MAX_URI];
+				/* Printer URI */
+  const char	*which_jobs;	/* Which jobs to show */
+  const char	*op;		/* Operation to perform, if any */
+ 
+
+ /*
+  * Get any form variables...
+  */
+
+  cgiInitialize();
+  op = cgiGetVariable("OP");
+
+ /*
+  * Get the request language...
+  */
+
+  language = cupsLangDefault();
+
+ /*
+  * Connect to the HTTP server...
+  */
+
+  http = httpConnectEncrypt("localhost", ippPort(), cupsEncryption());
+
+ /*
+  * Tell the client to expect HTML...
+  */
+
+  printf("Content-Type: text/html;charset=%s\n\n", cupsLangEncoding(language));
+
+ /*
+  * See if we need to show a list of printers or the status of a
+  * single printer...
+  */
+
+  ippSetServerVersion();
+
+  printer = argv[0];
+  if (strcmp(printer, "/") == 0 || strcmp(printer, "printers.cgi") == 0)
+  {
+    printer = NULL;
+    cgiSetVariable("TITLE", cupsLangString(language, CUPS_MSG_PRINTER));
+  }
+  else
+    cgiSetVariable("TITLE", printer);
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "header.tmpl", getenv("LANG"));
+
+  if (op == NULL || strcasecmp(op, "print-test-page") != 0)
+  {
+   /*
+    * Get the default destination...
+    */
+
+    request = ippNew();
+    request->request.op.operation_id = CUPS_GET_DEFAULT;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL)
+        cgiSetVariable("DEFAULT_NAME", attr->values[0].string.text);
+
+      if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
+      {
+	char	method[HTTP_MAX_URI],
+		username[HTTP_MAX_URI],
+		hostname[HTTP_MAX_URI],
+		resource[HTTP_MAX_URI],
+		uri[HTTP_MAX_URI];
+	int	port;			/* URI data */
+	const char *server;		/* Name of server */
+
+
+       /*
+	* Map localhost access to localhost...
+	*/
+
+        server = getenv("SERVER_NAME");
+
+	httpSeparate(attr->values[0].string.text, method, username,
+		     hostname, &port, resource);
+
+	if (strcasecmp(hostname, server) == 0 &&
+	    (strcmp(getenv("REMOTE_HOST"), "127.0.0.1") == 0 ||
+	     strcmp(getenv("REMOTE_HOST"), "localhost") == 0 ||
+	     strcmp(getenv("REMOTE_HOST"), server) == 0))
+	  strcpy(hostname, "localhost");
+
+       /*
+	* Rewrite URI with HTTP address...
+	*/
+
+	snprintf(uri, sizeof(uri), "http://%s:%d%s", hostname, port,
+		 resource);
+
+        cgiSetVariable("DEFAULT_URI", uri);
+      }
+
+      ippDelete(response);
+    }
+
+   /*
+    * Get the printer info...
+    */
+
+    request = ippNew();
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    if (printer == NULL)
+    {
+     /*
+      * Build a CUPS_GET_PRINTERS request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      */
+
+      request->request.op.operation_id = CUPS_GET_PRINTERS;
+      request->request.op.request_id   = 1;
+    }
+    else
+    {
+     /*
+      * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri
+      */
+
+      request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+      request->request.op.request_id   = 1;
+
+      snprintf(uri, sizeof(uri), "ipp://%s/printers/%s", getenv("SERVER_NAME"),
+               printer);
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
+                   uri);
+    }
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/")) != NULL)
+    {
+      ippSetCGIVars(response, NULL, NULL);
+      ippDelete(response);
+    }
+
+   /*
+    * Write the report...
+    */
+
+    cgiCopyTemplateLang(stdout, TEMPLATES, "printers.tmpl", getenv("LANG"));
+
+   /*
+    * Get jobs for the specified printer if a printer has been chosen...
+    */
+
+    if (printer != NULL)
+    {
+     /*
+      * Build an IPP_GET_JOBS request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri
+      */
+
+      request = ippNew();
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	   "attributes-natural-language", NULL, language->language);
+
+      request->request.op.operation_id = IPP_GET_JOBS;
+      request->request.op.request_id   = 1;
+
+      snprintf(uri, sizeof(uri), "ipp://%s/printers/%s", getenv("SERVER_NAME"),
+               printer);
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
+                   uri);
+
+      if ((which_jobs = cgiGetVariable("which_jobs")) != NULL)
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs",
+                     NULL, which_jobs);
+
+     /*
+      * Do the request and get back a response...
+      */
+
+      if ((response = cupsDoRequest(http, request, "/")) != NULL)
+      {
+	ippSetCGIVars(response, NULL, NULL);
+	ippDelete(response);
+
+	cgiCopyTemplateLang(stdout, TEMPLATES, "jobs.tmpl", getenv("LANG"));
+      }
+    }
+  }
+  else
+  {
+   /*
+    * Print a test page...
+    */
+
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+   /*
+    * Build an IPP_PRINT_JOB request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    *    requesting-user-name
+    *    document-format
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = IPP_PRINT_JOB;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+        	 NULL, uri);
+
+    if (getenv("REMOTE_USER") != NULL)
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+                   NULL, getenv("REMOTE_USER"));
+    else
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+                   NULL, "root");
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name",
+        	 NULL, "Test Page");
+
+    ippAddString(request, IPP_TAG_JOB, IPP_TAG_MIMETYPE, "document-format",
+        	 NULL, "application/postscript");
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoFileRequest(http, request, uri + 15,
+                                      CUPS_DATADIR "/data/testprint.ps")) != NULL)
+    {
+      status = response->request.status.status_code;
+      ippSetCGIVars(response, NULL, NULL);
+
+      ippDelete(response);
+    }
+    else
+      status = IPP_GONE;
+
+    cgiSetVariable("PRINTER_NAME", printer);
+
+    if (status > IPP_OK_CONFLICT)
+    {
+      cgiSetVariable("ERROR", ippErrorString(status));
+      cgiCopyTemplateLang(stdout, TEMPLATES, "error.tmpl", getenv("LANG"));
+    }
+    else
+      cgiCopyTemplateLang(stdout, TEMPLATES, "test-page.tmpl", getenv("LANG"));
+  }
+
+  cgiCopyTemplateLang(stdout, TEMPLATES, "trailer.tmpl", getenv("LANG"));
+
+ /*
+  * Close the HTTP server connection...
+  */
+
+  httpClose(http);
+  cupsLangFree(language);
+
+ /*
+  * Return with no errors...
+  */
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/template.c b/cgi-bin/template.c
new file mode 100644
index 000000000..838689c82
--- /dev/null
+++ b/cgi-bin/template.c
@@ -0,0 +1,501 @@
+/*
+ * "$Id$"
+ *
+ *   CGI template function.
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   This program is free software; you can redistribute it and/or modify it
+ *   under the terms of the GNU General Public License as published by the Free
+ *   Software Foundation; either version 2 of the License, or (at your option)
+ *   any later version.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ *   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *   for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Contents:
+ *
+ *   cgiCopyTemplateFile() - Copy a template file and replace all the
+ *                           '{variable}' strings with the variable value.
+ *   cgiCopyTemplateLang() - Copy a template file using a language...
+ *   cgi_copy()            - Copy the template file, substituting as needed...
+ *   cgi_puts()            - Put a string to the output file, quoting as
+ *                           needed...
+ */
+
+#include "cgi.h"
+
+
+/*
+ * Local functions...
+ */
+
+static void	cgi_copy(FILE *out, FILE *in, int element, char term);
+static void	cgi_puts(const char *s, FILE *out);
+
+
+/*
+ * 'cgiCopyTemplateFile()' - Copy a template file and replace all the
+ *                           '{variable}' strings with the variable value.
+ */
+
+void
+cgiCopyTemplateFile(FILE       *out,	/* I - Output file */
+                    const char *tmpl)	/* I - Template file to read */
+{
+  FILE	*in;				/* Input file */
+
+
+ /*
+  * Open the template file...
+  */
+
+  if ((in = fopen(tmpl, "r")) == NULL)
+    return;
+
+ /*
+  * Parse the file to the end...
+  */
+
+  cgi_copy(out, in, 0, 0);
+
+ /*
+  * Close the template file and return...
+  */
+
+  fclose(in);
+}
+
+
+/*
+ * 'cgiCopyTemplateLang()' - Copy a template file using a language...
+ */
+
+void
+cgiCopyTemplateLang(FILE       *out,		/* I - Output file */
+                    const char *directory,	/* I - Directory */
+                    const char *tmpl,		/* I - Base filename */
+		    const char *lang)		/* I - Language */
+{
+  int	i;					/* Looping var */
+  char	filename[1024],				/* Filename */
+	locale[16];				/* Locale name */
+  FILE	*in;					/* Input file */
+
+
+ /*
+  * Convert the language to a locale name...
+  */
+
+  if (lang != NULL)
+  {
+    for (i = 0; lang[i] && i < 15; i ++)
+      if (isalnum(lang[i]))
+        locale[i] = tolower(lang[i]);
+      else
+        locale[i] = '_';
+
+    locale[i] = '\0';
+  }
+  else
+    locale[0] = '\0';
+
+ /*
+  * See if we have a template file for this language...
+  */
+
+  snprintf(filename, sizeof(filename), "%s/%s/%s", directory, locale, tmpl);
+  if (access(filename, 0))
+  {
+    locale[2] = '\0';
+
+    snprintf(filename, sizeof(filename), "%s/%s/%s", directory, locale, tmpl);
+    if (access(filename, 0))
+      snprintf(filename, sizeof(filename), "%s/%s", directory, tmpl);
+  }
+
+ /*
+  * Open the template file...
+  */
+
+  if ((in = fopen(filename, "r")) == NULL)
+    return;
+
+ /*
+  * Parse the file to the end...
+  */
+
+  cgi_copy(out, in, 0, 0);
+
+ /*
+  * Close the template file and return...
+  */
+
+  fclose(in);
+}
+
+
+/*
+ * 'cgi_copy()' - Copy the template file, substituting as needed...
+ */
+
+static void
+cgi_copy(FILE *out,		/* I - Output file */
+         FILE *in,		/* I - Input file */
+	 int  element,		/* I - Element number (0 to N) */
+	 char term)		/* I - Terminating character */
+{
+  int		ch;		/* Character from file */
+  char		op;		/* Operation */
+  char		name[255],	/* Name of variable */
+		*nameptr,	/* Pointer into name */
+		innername[255],	/* Inner comparison name */
+		*innerptr,	/* Pointer into inner name */
+		*s;		/* String pointer */
+  const char	*value;		/* Value of variable */
+  const char	*innerval;	/* Inner value */
+  const char	*outptr;	/* Output string pointer */
+  char		outval[1024],	/* Formatted output string */
+		compare[1024];	/* Comparison string */
+  int		result;		/* Result of comparison */
+
+
+ /*
+  * Parse the file to the end...
+  */
+
+  while ((ch = getc(in)) != EOF)
+    if (ch == term)
+      break;
+    else if (ch == '{')
+    {
+     /*
+      * Get a variable name...
+      */
+
+      for (s = name; (ch = getc(in)) != EOF;)
+        if (strchr("}]<>=! \t\n", ch))
+          break;
+        else if (s > name && ch == '?')
+	  break;
+	else if (s < (name + sizeof(name) - 1))
+          *s++ = ch;
+
+      *s = '\0';
+
+      if (s == name && isspace(ch))
+      {
+        if (out)
+	{
+          putc('{', out);
+	  putc(ch, out);
+        }
+
+	continue;
+      }
+
+     /*
+      * See if it has a value...
+      */
+
+      if (name[0] == '?')
+      {
+       /*
+        * Insert value only if it exists...
+	*/
+
+	if ((nameptr = strrchr(name, '-')) != NULL && isdigit(nameptr[1]))
+	{
+	  *nameptr++ = '\0';
+
+	  if ((value = cgiGetArray(name + 1, atoi(nameptr) - 1)) != NULL)
+	    outptr = value;
+	  else
+	  {
+	    outval[0] = '\0';
+	    outptr    = outval;
+	  }
+	}
+        if ((value = cgiGetArray(name + 1, element)) != NULL)
+	  outptr = value;
+	else
+	{
+	  outval[0] = '\0';
+	  outptr    = outval;
+	}
+      }
+      else if (name[0] == '#')
+      {
+       /*
+        * Insert count...
+	*/
+
+        if (name[1])
+          sprintf(outval, "%d", cgiGetSize(name + 1));
+	else
+	  sprintf(outval, "%d", element + 1);
+
+        outptr = outval;
+      }
+      else if (name[0] == '[')
+      {
+       /*
+        * Loop for # of elements...
+	*/
+
+	int  i;		/* Looping var */
+        long pos;	/* File position */
+	int  count;	/* Number of elements */
+
+
+        if (isdigit(name[1]))
+	  count = atoi(name + 1);
+	else
+          count = cgiGetSize(name + 1);
+
+	pos = ftell(in);
+
+        if (count > 0)
+	{
+          for (i = 0; i < count; i ++)
+	  {
+	    fseek(in, pos, SEEK_SET);
+	    cgi_copy(out, in, i, '}');
+	  }
+        }
+	else
+	  cgi_copy(NULL, in, 0, '}');
+
+        continue;
+      }
+      else
+      {
+       /*
+        * Insert variable or variable name (if element is NULL)...
+	*/
+
+	if ((nameptr = strrchr(name, '-')) != NULL && isdigit(nameptr[1]))
+	{
+	  *nameptr++ = '\0';
+	  if ((value = cgiGetArray(name, atoi(nameptr) - 1)) == NULL)
+          {
+	    snprintf(outval, sizeof(outval), "{%s}", name);
+	    outptr = outval;
+	  }
+	  else
+	    outptr = value;
+	}
+	else if ((value = cgiGetArray(name, element)) == NULL)
+        {
+	  snprintf(outval, sizeof(outval), "{%s}", name);
+	  outptr = outval;
+	}
+	else
+	  outptr = value;
+      }
+
+     /*
+      * See if the terminating character requires another test...
+      */
+
+      if (ch == '}')
+      {
+       /*
+        * End of substitution...
+        */
+
+	if (out)
+	  cgi_puts(outptr, out);
+
+        continue;
+      }
+
+     /*
+      * OK, process one of the following checks:
+      *
+      *   {name?exist:not-exist}     Exists?
+      *   {name=value?true:false}    Equal
+      *   {name<value?true:false}    Less than
+      *   {name>value?true:false}    Greater than
+      *   {name!value?true:false}    Not equal
+      */
+
+      if (ch == '?')
+      {
+       /*
+        * Test for existance...
+	*/
+
+        result = cgiGetArray(name, element) != NULL && outval[0];
+      }
+      else
+      {
+       /*
+        * Compare to a string...
+	*/
+
+        op = ch;
+
+	for (s = compare; (ch = getc(in)) != EOF;)
+          if (ch == '?')
+            break;
+	  else if (s >= (compare + sizeof(compare) - 1))
+	    continue;
+	  else if (ch == '#')
+	  {
+	    sprintf(s, "%d", element + 1);
+	    s += strlen(s);
+	  }
+	  else if (ch == '{')
+	  {
+	   /*
+	    * Grab the value of a variable...
+	    */
+
+	    innerptr = innername;
+	    while ((ch = getc(in)) != EOF && ch != '}')
+	      if (innerptr < (innername + sizeof(innername) - 1))
+	        *innerptr++ = ch;
+	    *innerptr = '\0';
+
+            if (innername[0] == '#')
+	      sprintf(s, "%d", cgiGetSize(innername + 1));
+	    else if ((innerptr = strrchr(innername, '-')) != NULL &&
+	             isdigit(innerptr[1]))
+            {
+	      *innerptr++ = '\0';
+	      if ((innerval = cgiGetArray(innername, atoi(innerptr) - 1)) == NULL)
+	        *s = '\0';
+	      else
+	      {
+	        strncpy(s, innerval, sizeof(compare) - (s - compare) - 1);
+		compare[sizeof(compare) - 1] = '\0';
+	      }
+	    }
+	    else if (innername[0] == '?')
+	    {
+	      if ((innerval = cgiGetArray(innername + 1, element)) == NULL)
+		*s = '\0';
+	      else
+	      {
+	        strncpy(s, innerval, sizeof(compare) - (s - compare) - 1);
+		compare[sizeof(compare) - 1] = '\0';
+	      }
+            }
+	    else if ((innerval = cgiGetArray(innername, element)) == NULL)
+	      snprintf(s, sizeof(s), "{%s}", innername);
+	    else
+	    {
+	      strncpy(s, innerval, sizeof(compare) - (s - compare) - 1);
+	      compare[sizeof(compare) - 1] = '\0';
+	    }
+
+            s += strlen(s);
+	  }
+          else if (ch == '\\')
+	    *s++ = getc(in);
+	  else
+            *s++ = ch;
+
+        *s = '\0';
+
+        if (ch != '?')
+	  return;
+
+       /*
+        * Do the comparison...
+	*/
+
+        switch (op)
+	{
+	  case '<' :
+	      result = strcasecmp(outptr, compare) < 0;
+	      break;
+	  case '>' :
+	      result = strcasecmp(outptr, compare) > 0;
+	      break;
+	  case '=' :
+	      result = strcasecmp(outptr, compare) == 0;
+	      break;
+	  case '!' :
+	      result = strcasecmp(outptr, compare) != 0;
+	      break;
+	  default :
+	      result = 1;
+	      break;
+	}
+      }
+
+      if (result)
+      {
+       /*
+	* Comparison true; output first part and ignore second...
+	*/
+
+	cgi_copy(out, in, element, ':');
+	cgi_copy(NULL, in, element, '}');
+      }
+      else
+      {
+       /*
+	* Comparison false; ignore first part and output second...
+	*/
+
+	cgi_copy(NULL, in, element, ':');
+	cgi_copy(out, in, element, '}');
+      }
+    }
+    else if (ch == '\\')	/* Quoted char */
+    {
+      if (out)
+        putc(getc(in), out);
+      else
+        getc(in);
+    }
+    else if (out)
+      putc(ch, out);
+
+ /*
+  * Flush any pending output...
+  */
+
+  if (out)
+    fflush(out);
+}
+
+
+/*
+ * 'cgi_puts()' - Put a string to the output file, quoting as needed...
+ */
+
+static void
+cgi_puts(const char *s,
+         FILE       *out)
+{
+  while (*s)
+  {
+    if (s[0] == '<')
+      fputs("&lt;", out);
+    else if (s[0] == '>')
+      fputs("&gt;", out);
+    else if (*s == '\"')
+      fputs("&quot;", out);
+    else if (s[0] == '&')
+      fputs("&amp;", out);
+    else
+      putc(*s, out);
+
+    s ++;
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cgi-bin/var.c b/cgi-bin/var.c
new file mode 100644
index 000000000..0c291a26e
--- /dev/null
+++ b/cgi-bin/var.c
@@ -0,0 +1,672 @@
+/*
+ * "$Id$"
+ *
+ *   CGI form variable and array functions.
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   This program is free software; you can redistribute it and/or modify it
+ *   under the terms of the GNU General Public License as published by the Free
+ *   Software Foundation; either version 2 of the License, or (at your option)
+ *   any later version.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ *   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *   for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Contents:
+ *
+ *   cgiInitialize()         - Initialize the CGI variable "database"...
+ *   cgiCheckVariables()     - Check for the presence of "required" variables.
+ *   cgiGetArray()           - Get an element from a form array...
+ *   cgiGetSize()            - Get the size of a form array value.
+ *   cgiGetVariable()        - Get a CGI variable from the database...
+ *   cgiSetArray()           - Set array element N to the specified string.
+ *   cgiSetVariable()        - Set a CGI variable in the database...
+ *   cgi_add_variable()      - Add a form variable.
+ *   cgi_compare_variables() - Compare two variables.
+ *   cgi_find_variable()     - Find a variable...
+ *   cgi_initialize_get()    - Initialize form variables using the GET method.
+ *   cgi_initialize_post()   - Initialize variables using the POST method.
+ *   cgi_initialize_string() - Initialize form variables from a string.
+ *   cgi_sort_variables()    - Sort all form variables for faster lookup.
+ */
+
+/*#define DEBUG*/
+#include "cgi.h"
+#include <errno.h>
+#include <syslog.h>
+
+
+/*
+ * Data structure to hold all the CGI form variables and arrays...
+ */
+
+typedef struct
+{
+  const char	*name;		/* Name of variable */
+  int		nvalues,	/* Number of values */
+		avalues;	/* Number of values allocated */
+  const char	**values;	/* Value(s) of variable */
+} var_t;
+
+
+/*
+ * Local globals...
+ */
+
+static int	form_count = 0,		/* Form variable count */
+		form_alloc = 0;		/* Number of variables allocated */
+static var_t	*form_vars = NULL;	/* Form variables */
+
+
+/*
+ * Local functions...
+ */
+
+static void	cgi_add_variable(const char *name, int element,
+		                 const char *value);
+static int	cgi_compare_variables(const var_t *v1, const var_t *v2);
+static var_t	*cgi_find_variable(const char *name);
+static int	cgi_initialize_get(void);
+static int	cgi_initialize_post(void);
+static int	cgi_initialize_string(const char *data);
+static void	cgi_sort_variables(void);
+
+
+/*
+ * 'cgiInitialize()' - Initialize the CGI variable "database"...
+ */
+
+int			/* O - Non-zero if there was form data */
+cgiInitialize(void)
+{
+  char	*method;	/* Form posting method */
+ 
+
+#ifdef DEBUG
+  setbuf(stdout, NULL);
+  puts("Content-type: text/plain\n");
+#endif /* DEBUG */
+
+  method = getenv("REQUEST_METHOD");
+
+  if (method == NULL)
+    return (0);
+
+  if (strcasecmp(method, "GET") == 0)
+    return (cgi_initialize_get());
+  else if (strcasecmp(method, "POST") == 0)
+    return (cgi_initialize_post());
+  else
+    return (0);
+}
+
+
+/*
+ * 'cgiCheckVariables()' - Check for the presence of "required" variables.
+ *
+ * Names may be separated by spaces and/or commas.
+ */
+
+int					/* O - 1 if all variables present, 0 otherwise */
+cgiCheckVariables(const char *names)	/* I - Variables to look for */
+{
+  char		name[255],		/* Current variable name */
+		*s;			/* Pointer in string */
+  const char	*val;			/* Value of variable */
+  int		element;		/* Array element number */
+
+
+  if (names == NULL)
+    return (1);
+
+  while (*names != '\0')
+  {
+    while (*names == ' ' || *names == ',')
+      names ++;
+
+    for (s = name; *names != '\0' && *names != ' ' && *names != ','; s ++, names ++)
+      *s = *names;
+
+    *s = 0;
+    if (name[0] == '\0')
+      break;
+
+    if ((s = strrchr(name, '-')) != NULL)
+    {
+      *s      = '\0';
+      element = atoi(s + 1) - 1;
+      val     = cgiGetArray(name, element);
+    }
+    else
+      val = cgiGetVariable(name);
+
+    if (val == NULL)
+      return (0);
+
+    if (*val == '\0')
+      return (0);	/* Can't be blank, either! */
+  }
+
+  return (1);
+}
+
+
+/*
+ * 'cgiGetArray()' - Get an element from a form array...
+ */
+
+const char *			/* O - Element value or NULL */
+cgiGetArray(const char *name,	/* I - Name of array variable */
+            int        element)	/* I - Element number (0 to N) */
+{
+  var_t	*var;			/* Pointer to variable */
+
+
+  if ((var = cgi_find_variable(name)) == NULL)
+    return (NULL);
+
+  if (var->nvalues == 1)
+    return (var->values[0]);
+
+  if (element < 0 || element >= var->nvalues)
+    return (NULL);
+
+  return (var->values[element]);
+}
+
+
+/*
+ * 'cgiGetSize()' - Get the size of a form array value.
+ */
+
+int				/* O - Number of elements */
+cgiGetSize(const char *name)	/* I - Name of variable */
+{
+  var_t	*var;			/* Pointer to variable */
+
+
+  if ((var = cgi_find_variable(name)) == NULL)
+    return (0);
+
+  return (var->nvalues);
+}
+
+
+/*
+ * 'cgiGetVariable()' - Get a CGI variable from the database...
+ *
+ * Returns NULL if the variable doesn't exist...  If the variable is an
+ * array of values, returns the last element...
+ */
+
+const char *			/* O - Value of variable */
+cgiGetVariable(const char *name)/* I - Name of variable */
+{
+  const var_t	*var;		/* Returned variable */
+
+
+  var = cgi_find_variable(name);
+
+#ifdef DEBUG
+  if (var == NULL)
+    printf("cgiGetVariable(\"%s\") is returning NULL...\n", name);
+  else
+    printf("cgiGetVariable(\"%s\") is returning \"%s\"...\n", name,
+           var->values[var->nvalues - 1]);
+#endif /* DEBUG */
+
+  return ((var == NULL) ? NULL : var->values[var->nvalues - 1]);
+}
+
+
+/*
+ * 'cgiSetArray()' - Set array element N to the specified string.
+ *
+ * If the variable array is smaller than (element + 1), the intervening
+ * elements are set to NULL.
+ */
+
+void
+cgiSetArray(const char *name,	/* I - Name of variable */
+            int        element,	/* I - Element number (0 to N) */
+            const char *value)	/* I - Value of variable */
+{
+  int	i;	/* Looping var */
+  var_t	*var;	/* Returned variable */
+
+
+  if (name == NULL || value == NULL || element < 0)
+    return;
+
+  if ((var = cgi_find_variable(name)) == NULL)
+  {
+    cgi_add_variable(name, element, value);
+    cgi_sort_variables();
+  }
+  else
+  {
+    if (element >= var->avalues)
+    {
+      var->avalues = element + 16;
+      var->values  = (const char **)realloc((void *)(var->values),
+                                            sizeof(char *) * var->avalues);
+    }
+
+    if (element >= var->nvalues)
+    {
+      for (i = var->nvalues; i < element; i ++)
+	var->values[i] = NULL;
+
+      var->nvalues = element + 1;
+    }
+    else if (var->values[element])
+      free((char *)var->values[element]);
+
+    var->values[element] = strdup(value);
+  }
+}
+
+
+/*
+ * 'cgiSetSize()' - Set the array size.
+ */
+
+void
+cgiSetSize(const char *name,	/* I - Name of variable */
+           int        size)	/* I - Number of elements (0 to N) */
+{
+  int	i;	/* Looping var */
+  var_t	*var;	/* Returned variable */
+
+
+  if (name == NULL || size < 0)
+    return;
+
+  if ((var = cgi_find_variable(name)) == NULL)
+    return;
+
+  if (size >= var->avalues)
+  {
+    var->avalues = size + 16;
+    var->values  = (const char **)realloc((void *)(var->values),
+                                          sizeof(char *) * var->avalues);
+  }
+
+  if (size > var->nvalues)
+  {
+    for (i = var->nvalues; i < size; i ++)
+      var->values[i] = NULL;
+  }
+  else if (size < var->nvalues)
+  {
+    for (i = size; i < var->nvalues; i ++)
+      if (var->values[i])
+        free((void *)(var->values[i]));
+  }
+
+  var->nvalues = size;
+}
+
+
+/*
+ * 'cgiSetVariable()' - Set a CGI variable in the database...
+ *
+ * If the variable is an array, this truncates the array to a single element.
+ */
+
+void
+cgiSetVariable(const char *name,	/* I - Name of variable */
+               const char *value)	/* I - Value of variable */
+{
+  int	i;				/* Looping var */
+  var_t	*var;				/* Returned variable */
+
+
+  if (name == NULL || value == NULL)
+    return;
+
+  if ((var = cgi_find_variable(name)) == NULL)
+  {
+    cgi_add_variable(name, 0, value);
+    cgi_sort_variables();
+  }
+  else
+  {
+    for (i = 0; i < var->nvalues; i ++)
+      if (var->values[i])
+        free((char *)var->values[i]);
+
+    var->values[0] = strdup(value);
+    var->nvalues   = 1;
+  }
+}
+
+
+/*
+ * 'cgi_add_variable()' - Add a form variable.
+ */
+
+static void
+cgi_add_variable(const char *name,	/* I - Variable name */
+		 int        element,	/* I - Array element number */
+                 const char *value)	/* I - Variable value */
+{
+  var_t	*var;				/* New variable */
+
+
+  if (name == NULL || value == NULL)
+    return;
+
+#ifdef DEBUG
+  printf("Adding variable \'%s\' with value \'%s\'...\n", name, value);
+#endif /* DEBUG */
+
+  if (form_count >= form_alloc)
+  {
+    if (form_alloc == 0)
+      form_vars = malloc(sizeof(var_t) * 16);
+    else
+      form_vars = realloc(form_vars, (form_alloc + 16) * sizeof(var_t));
+
+    form_alloc += 16;
+  }
+
+  var                  = form_vars + form_count;
+  var->name            = strdup(name);
+  var->nvalues         = element + 1;
+  var->avalues         = element + 1;
+  var->values          = calloc(element + 1, sizeof(char *));
+  var->values[element] = strdup(value);
+
+  form_count ++;
+}
+
+
+/*
+ * 'cgi_compare_variables()' - Compare two variables.
+ */
+
+static int				/* O - Result of comparison */
+cgi_compare_variables(const var_t *v1,	/* I - First variable */
+                      const var_t *v2)	/* I - Second variable */
+{
+  return (strcasecmp(v1->name, v2->name));
+}
+
+
+/*
+ * 'cgi_find_variable()' - Find a variable...
+ */
+
+static var_t *				/* O - Variable pointer or NULL */
+cgi_find_variable(const char *name)	/* I - Name of variable */
+{
+  var_t	key;				/* Search key */
+
+
+  if (form_count < 1 || name == NULL)
+    return (NULL);
+
+  key.name = name;
+
+  return ((var_t *)bsearch(&key, form_vars, form_count, sizeof(var_t),
+                           (int (*)(const void *, const void *))cgi_compare_variables));
+}
+
+
+/*
+ * 'cgi_initialize_get()' - Initialize form variables using the GET method.
+ */
+
+static int		/* O - 1 if form data read */
+cgi_initialize_get(void)
+{
+  char	*data;		/* Pointer to form data string */
+
+
+#ifdef DEBUG
+  puts("Initializing variables using GET method...");
+#endif /* DEBUG */
+
+ /*
+  * Check to see if there is anything for us to read...
+  */
+
+  data = getenv("QUERY_STRING");
+  if (data == NULL || strlen(data) == 0)
+    return (0);
+
+ /*
+  * Parse it out and return...
+  */
+
+  return (cgi_initialize_string(data));
+}
+
+
+/*
+ * 'cgi_initialize_post()' - Initialize variables using the POST method.
+ */
+
+static int			/* O - 1 if form data was read */
+cgi_initialize_post(void)
+{
+  char	*content_length,	/* Length of input data (string) */
+	*data;			/* Pointer to form data string */
+  int	length,			/* Length of input data */
+	nbytes,			/* Number of bytes read this read() */
+	tbytes,			/* Total number of bytes read */
+	status;			/* Return status */
+
+
+#ifdef DEBUG
+  puts("Initializing variables using POST method...");
+#endif /* DEBUG */
+
+ /*
+  * Check to see if there is anything for us to read...
+  */
+
+  content_length = getenv("CONTENT_LENGTH");
+  if (content_length == NULL || atoi(content_length) <= 0)
+    return (0);
+
+ /*
+  * Get the length of the input stream and allocate a buffer for it...
+  */
+
+  length = atoi(content_length);
+  data   = malloc(length + 1);
+
+  if (data == NULL)
+    return (0);
+
+ /*
+  * Read the data into the buffer...
+  */
+
+  for (tbytes = 0; tbytes < length; tbytes += nbytes)
+    if ((nbytes = read(0, data + tbytes, length - tbytes)) < 0)
+      if (errno != EAGAIN)
+      {
+        free(data);
+        return (0);
+      }
+
+  data[length] = '\0';
+
+ /*
+  * Parse it out...
+  */
+
+  status = cgi_initialize_string(data);
+
+ /*
+  * Free the data and return...
+  */
+
+  free(data);
+
+  return (status);
+}
+
+
+/*
+ * 'cgi_initialize_string()' - Initialize form variables from a string.
+ */
+
+static int
+cgi_initialize_string(const char *data)	/* I - Form data string */
+{
+  int	done;		/* True if we're done reading a form variable */
+  char	*s,		/* Pointer to current form string */
+	ch,		/* Temporary character */
+	name[255],	/* Name of form variable */
+	value[65536];	/* Variable value... */
+
+
+ /*
+  * Check input...
+  */
+
+  if (data == NULL)
+    return (0);
+
+ /*
+  * Loop until we've read all the form data...
+  */
+
+  while (*data != '\0')
+  {
+   /*
+    * Get the variable name...
+    */
+
+    for (s = name; *data != '\0'; data ++)
+      if (*data == '=')
+        break;
+      else if (*data >= ' ' && s < (name + sizeof(name) - 1))
+        *s++ = *data;
+
+    *s = '\0';
+    if (*data == '=')
+      data ++;
+    else
+      return (0);
+
+   /*
+    * Read the variable value...
+    */
+
+    for (s = value, done = 0; !done && *data != '\0'; data ++)
+      switch (*data)
+      {
+	case '&' :	/* End of data... */
+            done = 1;
+            break;
+
+	case '+' :	/* Escaped space character */
+            if (s < (value + sizeof(value) - 1))
+              *s++ = ' ';
+            break;
+
+	case '%' :	/* Escaped control character */
+	   /*
+	    * Read the hex code...
+	    */
+
+            if (s < (value + sizeof(value) - 1))
+	    {
+              data ++;
+              ch = *data - '0';
+              if (ch > 9)
+        	ch -= 7;
+              *s = ch << 4;
+
+              data ++;
+              ch = *data - '0';
+              if (ch > 9)
+        	ch -= 7;
+              *s++ |= ch;
+            }
+	    else
+	      data += 2;
+            break;
+
+	default :	/* Other characters come straight through */
+	    if (*data >= ' ' && s < (value + sizeof(value) - 1))
+              *s++ = *data;
+            break;
+      }
+
+    *s = '\0';		/* nul terminate the string */
+
+   /*
+    * Remove trailing whitespace...
+    */
+
+    if (s > value)
+      s --;
+
+    while (s >= value && *s == ' ')
+      *s-- = '\0';
+
+   /*
+    * Add the string to the variable "database"...
+    */
+
+    if ((s = strrchr(name, '-')) != NULL && isdigit(s[1]))
+    {
+      *s++ = '\0';
+      if (value[0])
+        cgiSetArray(name, atoi(s) - 1, value);
+    }
+    else if (cgiGetVariable(name) != NULL)
+      cgiSetArray(name, cgiGetSize(name), value);
+    else
+      cgiSetVariable(name, value);
+  }
+
+  return (1);
+}
+
+
+/*
+ * 'cgi_sort_variables()' - Sort all form variables for faster lookup.
+ */
+
+static void
+cgi_sort_variables(void)
+{
+#ifdef DEBUG
+  int	i;
+
+
+  puts("Sorting variables...");
+#endif /* DEBUG */
+
+  if (form_count < 2)
+    return;
+
+  qsort(form_vars, form_count, sizeof(var_t),
+        (int (*)(const void *, const void *))cgi_compare_variables);
+
+#ifdef DEBUG
+  puts("Sorted variable list is:");
+  for (i = 0; i < form_count; i ++)
+    printf("%d: %s (%d) = \"%s\" ...\n", i, form_vars[i].name,
+           form_vars[i].nvalues, form_vars[i].values[0]);
+#endif /* DEBUG */
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/conf/Makefile b/conf/Makefile
new file mode 100644
index 000000000..6a4891e53
--- /dev/null
+++ b/conf/Makefile
@@ -0,0 +1,72 @@
+#
+# "$Id$"
+#
+#   Configuration file makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Config files...
+#
+
+KEEP	=	classes.conf client.conf cupsd.conf printers.conf
+REPLACE	=	mime.convs mime.types
+
+
+#
+# Make everything...
+#
+
+all:
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(SERVERROOT)
+	for file in $(KEEP); do \
+		if test -r $(SERVERROOT)/$$file ; then \
+			$(INSTALL_DATA) $$file $(SERVERROOT)/$$file.N ; \
+		else \
+			$(INSTALL_DATA) $$file $(SERVERROOT) ; \
+		fi ; \
+	done
+	for file in $(REPLACE); do \
+		if test -r $(SERVERROOT)/$$file ; then \
+			$(MV) $(SERVERROOT)/$$file $(SERVERROOT)/$$file.O ; \
+		fi ; \
+		$(INSTALL_DATA) $$file $(SERVERROOT) ; \
+	done
+
+
+#
+# End of "$Id$".
+#
diff --git a/conf/classes.conf b/conf/classes.conf
new file mode 100644
index 000000000..05526a605
--- /dev/null
+++ b/conf/classes.conf
@@ -0,0 +1,89 @@
+#
+# "$Id: classes.conf 2010 2002-01-02 17:59:21Z mike $"
+#
+#   Sample class configuration file for the Common UNIX Printing System
+#   (CUPS) scheduler.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+########################################################################
+#                                                                      #
+# This is a sample class configuration file.  This file is included    #
+# from the main configuration file (cups.conf) and lists all of the    #
+# printer classes known to the system.                                 #
+#                                                                      #
+########################################################################
+
+#
+# Each class starts with a <Class name> definition.  Class names
+# can be up to 128 characters in length and are *not* case sensitive.
+#
+# One <DefaultClass name> entry can appear in this file; if you don't
+# define a default destination, the first printer or class becomes
+# the default.
+#
+
+#<Class sample>
+#
+# Info: the description for the class.
+#
+
+#Info Acme LaserPrint 1000 Printers
+
+#
+# Location: the location of the printer.
+#
+
+#Location Room 101 in the activities building
+
+#
+# State: sets the initial state of the class.  Can be one of the
+# following:
+#
+#     Idle    - Class is available to print new jobs.
+#     Stopped - Class is disabled but accepting new jobs.
+#
+
+#State Idle
+
+#
+# StateMessage: sets the printer-state-message attribute for the class.
+#
+
+#StateMessage Class is idle.
+
+#
+# Accepting: is the class accepting jobs?
+#
+#Accepting Yes
+#Accepting No
+#
+
+#
+# Printer: adds a printer to the class.
+#
+
+#Printer sample
+#Printer sample@host2
+#</Class>
+
+#
+# End of "$Id: classes.conf 2010 2002-01-02 17:59:21Z mike $".
+#
diff --git a/conf/client.conf b/conf/client.conf
new file mode 100644
index 000000000..244b5e1fe
--- /dev/null
+++ b/conf/client.conf
@@ -0,0 +1,65 @@
+#
+# "$Id: client.conf 2010 2002-01-02 17:59:21Z mike $"
+#
+#   Sample client configuration file for the Common UNIX Printing System
+#   (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+########################################################################
+#                                                                      #
+# This is the CUPS client configuration file.  This file is used to    #
+# define client-specific parameters, such as the default server or     #
+# default encryption settings.                                         #
+#                                                                      #
+########################################################################
+
+#
+# ServerName: the hostname of your server.  By default CUPS will use the
+# hostname of the system or the value of the CUPS_SERVER environment
+# variable.
+#
+
+#ServerName myhost.domain.com
+
+#
+# Encryption: whether or not to use encryption; this depends on having
+# the OpenSSL library linked into the CUPS library.
+#
+# Possible values:
+#
+#     Always       - Always use encryption (SSL)
+#     Never        - Never use encryption
+#     Required     - Use TLS encryption upgrade
+#     IfRequested  - Use encryption if the server requests it
+#
+# The default value is "IfRequested".  This parameter can also be set
+# using the CUPS_ENCRYPTION environment variable.
+#
+
+#Encryption Always
+#Encryption Never
+#Encryption Required
+#Encryption IfRequested
+
+
+#
+# End of "$Id: client.conf 2010 2002-01-02 17:59:21Z mike $".
+#
diff --git a/conf/cupsd.conf.in b/conf/cupsd.conf.in
new file mode 100644
index 000000000..15e3fd25a
--- /dev/null
+++ b/conf/cupsd.conf.in
@@ -0,0 +1,720 @@
+#
+# "$Id$"
+#
+#   Sample configuration file for the Common UNIX Printing System (CUPS)
+#   scheduler.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+########################################################################
+#                                                                      #
+# This is the CUPS configuration file.  If you are familiar with       #
+# Apache or any of the other popular web servers, we've followed the   #
+# same format.  Any configuration variable used here has the same      #
+# semantics as the corresponding variable in Apache.  If we need       #
+# different functionality then a different name is used to avoid       #
+# confusion...                                                         #
+#                                                                      #
+########################################################################
+
+
+########
+######## Server Identity
+########
+
+#
+# ServerName: the hostname of your server, as advertised to the world.
+# By default CUPS will use the hostname of the system.
+#
+# To set the default server used by clients, see the client.conf file.
+#
+
+#ServerName myhost.domain.com
+
+#
+# ServerAdmin: the email address to send all complaints/problems to.
+# By default CUPS will use "root@hostname".
+#
+
+#ServerAdmin root@your.domain.com
+
+
+########
+######## Server Options
+########
+
+#
+# AccessLog: the access log file; if this does not start with a leading /
+# then it is assumed to be relative to ServerRoot.  By default set to
+# "@CUPS_LOGDIR@/access_log"
+#
+# You can also use the special name "syslog" to send the output to the
+# syslog file or daemon.
+#
+
+#AccessLog @CUPS_LOGDIR@/access_log
+
+#
+# Classification: the classification level of the server.  If set, this
+# classification is displayed on all pages, and raw printing is disabled.
+# The default is the empty string.
+#
+
+#Classification classified
+#Classification confidential
+#Classification secret
+#Classification topsecret
+#Classification unclassified
+
+#
+# ClassifyOverride: whether to allow users to override the classification
+# on printouts. If enabled, users can limit banner pages to before or
+# after the job, and can change the classification of a job, but cannot
+# completely eliminate the classification or banners.
+#
+# The default is off.
+#
+
+#ClassifyOverride off
+
+#
+# DataDir: the root directory for the CUPS data files.
+# By default "@CUPS_DATADIR@".
+#
+
+#DataDir @CUPS_DATADIR@
+
+#
+# DefaultCharset: the default character set to use. If not specified,
+# defaults to "utf-8".  Note that this can also be overridden in
+# HTML documents...
+#
+
+#DefaultCharset utf-8
+
+#
+# DefaultLanguage: the default language if not specified by the browser.
+# If not specified, the current locale is used.
+#
+
+#DefaultLanguage en
+
+#
+# DocumentRoot: the root directory for HTTP documents that are served.
+# By default "@CUPS_DOCROOT@".
+#
+
+#DocumentRoot @CUPS_DOCROOT@
+
+#
+# ErrorLog: the error log file; if this does not start with a leading /
+# then it is assumed to be relative to ServerRoot.  By default set to
+# "@CUPS_LOGDIR@/error_log"
+#
+# You can also use the special name "syslog" to send the output to the
+# syslog file or daemon.
+#
+
+#ErrorLog @CUPS_LOGDIR@/error_log
+
+#
+# FontPath: the path to locate all font files (currently only for pstoraster)
+# By default "@CUPS_FONTPATH@".
+#
+
+#FontPath @CUPS_FONTPATH@
+
+#
+# LogLevel: controls the number of messages logged to the ErrorLog
+# file and can be one of the following:
+#
+#     debug2	Log everything.
+#     debug	Log almost everything.
+#     info      Log all requests and state changes.
+#     warn      Log errors and warnings.
+#     error     Log only errors.
+#     none      Log nothing.
+#
+
+LogLevel info
+
+#
+# MaxLogSize: controls the maximum size of each log file before they are
+# rotated.  Defaults to 1048576 (1MB).  Set to 0 to disable log rotating.
+#
+
+#MaxLogSize 0
+
+#
+# PageLog: the page log file; if this does not start with a leading /
+# then it is assumed to be relative to ServerRoot.  By default set to
+# "@CUPS_LOGDIR@/page_log"
+#
+# You can also use the special name "syslog" to send the output to the
+# syslog file or daemon.
+#
+
+#PageLog @CUPS_LOGDIR@/page_log
+
+#
+# PreserveJobHistory: whether or not to preserve the job history after a
+# job is completed, cancelled, or stopped.  Default is Yes.
+#
+
+#PreserveJobHistory Yes
+
+#
+# PreserveJobFiles: whether or not to preserve the job files after a
+# job is completed, cancelled, or stopped.  Default is No.
+#
+
+#PreserveJobFiles No
+
+#
+# AutoPurgeJobs: automatically purge jobs when not needed for quotas.
+# Default is No.
+#
+
+#AutoPurgeJobs No
+
+#
+# MaxJobs: maximum number of jobs to keep in memory (active and completed.)
+# Default is 500; the value 0 is used for no limit.
+#
+
+#MaxJobs 500
+
+#
+# Printcap: the name of the printcap file.  Default is /etc/printcap.
+# Leave blank to disable printcap file generation.
+#
+
+#Printcap /etc/printcap
+
+#
+# PrintcapFormat: the format of the printcap file, currently either
+# BSD or Solaris.  The default is "BSD".
+#
+
+#PrintcapFormat BSD
+#PrintcapFormat Solaris
+
+#
+# PrintcapGUI: the name of the GUI options panel program to associate
+# with print queues under IRIX.  The default is "/usr/bin/glpoptions"
+# from ESP Print Pro.
+#
+# This option is only used under IRIX; the options panel program
+# must accept the "-d printer" and "-o options" options and write
+# the selected printer options back to stdout on completion.
+#
+
+#PrintcapGUI /usr/bin/glpoptions
+
+#
+# RequestRoot: the directory where request files are stored.
+# By default "@CUPS_REQUESTS@".
+#
+
+#RequestRoot @CUPS_REQUESTS@
+
+#
+# RemoteRoot: the name of the user assigned to unauthenticated accesses
+# from remote systems.  By default "remroot".
+#
+
+#RemoteRoot remroot
+
+#
+# ServerBin: the root directory for the scheduler executables.
+# By default "@CUPS_SERVERBIN@".
+#
+
+#ServerBin @CUPS_SERVERBIN@
+
+#
+# ServerRoot: the root directory for the scheduler.
+# By default "@CUPS_SERVERROOT@".
+#
+
+#ServerRoot @CUPS_SERVERROOT@
+
+
+########
+######## Encryption Support
+########
+
+#
+# ServerCertificate: the file to read containing the server's certificate.
+# Defaults to "@CUPS_SERVERROOT@/ssl/server.crt".
+#
+
+#ServerCertificate @CUPS_SERVERROOT@/ssl/server.crt
+
+#
+# ServerKey: the file to read containing the server's key.
+# Defaults to "@CUPS_SERVERROOT@/ssl/server.key".
+#
+
+#ServerKey @CUPS_SERVERROOT@/ssl/server.key
+
+
+########
+######## Filter Options
+########
+
+#
+# User/Group: the user and group the server runs under.  Normally this
+# must be lp and sys, however you can configure things for another user
+# or group as needed.
+#
+# Note: the server must be run initially as root to support the
+# default IPP port of 631.  It changes users whenever an external
+# program is run...
+#
+
+#User lp
+#Group sys
+
+#
+# RIPCache: the amount of memory that each RIP should use to cache
+# bitmaps.  The value can be any real number followed by "k" for
+# kilobytes, "m" for megabytes, "g" for gigabytes, or "t" for tiles
+# (1 tile = 256x256 pixels.)  Defaults to "8m" (8 megabytes).
+#
+
+#RIPCache 8m
+
+#
+# TempDir: the directory to put temporary files in.  This directory must be
+# writable by the user defined above!  Defaults to "@CUPS_REQUESTS@/tmp" or
+# the value of the TMPDIR environment variable.
+#
+
+#TempDir @CUPS_REQUESTS@/tmp
+
+#
+# FilterLimit: sets the maximum cost of all job filters that can be run
+# at the same time.  A limit of 0 means no limit.  A typical job may need
+# a filter limit of at least 200; limits less than the minimum required
+# by a job force a single job to be printed at any time.
+#
+# The default limit is 0 (unlimited).
+#
+
+#FilterLimit 0
+
+########
+######## Network Options
+########
+
+#
+# Ports/addresses that we listen to.  The default port 631 is reserved
+# for the Internet Printing Protocol (IPP) and is what we use here.
+#
+# You can have multiple Port/Listen lines to listen to more than one
+# port or address, or to restrict access:
+#
+#    Port 80
+#    Port 631
+#    Listen hostname
+#    Listen hostname:80
+#    Listen hostname:631
+#    Listen 1.2.3.4
+#    Listen 1.2.3.4:631
+# 
+# NOTE: Unfortunately, most web browsers don't support TLS or HTTP Upgrades
+# for encryption.  If you want to support web-based encryption you'll
+# probably need to listen on port 443 (the "https" port...)
+#
+
+#Port 80
+#Port 443
+Port 631
+
+#
+# HostNameLookups: whether or not to do lookups on IP addresses to get a
+# fully-qualified hostname.  This defaults to Off for performance reasons...
+#
+
+#HostNameLookups On
+
+#
+# KeepAlive: whether or not to support the Keep-Alive connection
+# option.  Default is on.
+#
+
+#KeepAlive On
+
+#
+# KeepAliveTimeout: the timeout before Keep-Alive connections are
+# automatically closed.  Default is 60 seconds.
+#
+
+#KeepAliveTimeout 60
+
+#
+# MaxClients: controls the maximum number of simultaneous clients that
+# will be handled.  Defaults to 100.
+#
+
+#MaxClients 100
+
+#
+# MaxRequestSize: controls the maximum size of HTTP requests and print files.
+# Set to 0 to disable this feature (defaults to 0.)
+#
+
+#MaxRequestSize 0
+
+#
+# Timeout: the timeout before requests time out.  Default is 300 seconds.
+#
+
+#Timeout 300
+
+
+########
+######## Browsing Options
+########
+
+#
+# Browsing: whether or not to broadcast and/or listen for CUPS printer
+# information on the network.  Enabled by default.
+#
+
+#Browsing On
+
+#
+# BrowseProtocols: which protocols to use for browsing.  Can be
+# any of the following separated by whitespace and/or commas:
+#
+#     all  - Use all supported protocols.
+#     cups - Use the CUPS browse protocol.
+#     slp  - Use the SLPv2 protocol.
+#
+# The default is "cups".
+#
+# NOTE: If you choose to use SLPv2, it is *strongly* recommended that
+#       you have at least one SLP Directory Agent (DA) on your
+#       network.  Otherwise, browse updates can take several seconds,
+#       during which the scheduler will not response to client
+#       requests.
+#
+
+#BrowseProtocols cups
+
+#
+# BrowseAddress: specifies a broadcast address to be used.  By
+# default browsing information is not sent!
+#
+# Note: HP-UX does not properly handle broadcast unless you have a
+# Class A, B, C, or D netmask (i.e. no CIDR support).
+#
+# Note: Using the "global" broadcast address (255.255.255.255) will
+# activate a Linux demand-dial link with the default configuration.
+# If you have a LAN as well as the dial-up link, use the LAN's
+# broadcast address.
+#
+
+#BrowseAddress x.y.z.255
+#BrowseAddress x.y.255.255
+#BrowseAddress x.255.255.255
+#BrowseAddress 255.255.255.255
+
+#
+# BrowseShortNames: whether or not to use "short" names for remote printers
+# when possible (e.g. "printer" instead of "printer@host".)  Enabled by
+# default.
+#
+
+#BrowseShortNames Yes
+
+#
+# BrowseAllow: specifies an address mask to allow for incoming browser
+# packets. The default is to allow packets from all addresses.
+#
+# BrowseDeny: specifies an address mask to deny for incoming browser
+# packets. The default is to deny packets from no addresses.
+#
+# Both "BrowseAllow" and "BrowseDeny" accept the following notations for
+# addresses:
+#
+#     All
+#     None
+#     *.domain.com
+#     .domain.com
+#     host.domain.com
+#     nnn.*
+#     nnn.nnn.*
+#     nnn.nnn.nnn.*
+#     nnn.nnn.nnn.nnn
+#     nnn.nnn.nnn.nnn/mm
+#     nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+#
+# The hostname/domainname restrictions only work if you have turned hostname
+# lookups on!
+#
+
+#BrowseAllow address
+#BrowseDeny address
+
+#
+# BrowseInterval: the time between browsing updates in seconds.  Default
+# is 30 seconds.
+#
+# Note that browsing information is sent whenever a printer's state changes
+# as well, so this represents the maximum time between updates.
+#
+# Set this to 0 to disable outgoing broadcasts so your local printers are
+# not advertised but you can still see printers on other hosts.
+#
+
+#BrowseInterval 30
+
+#
+# BrowseOrder: specifies the order of BrowseAllow/BrowseDeny comparisons.
+#
+
+#BrowseOrder allow,deny
+#BrowseOrder deny,allow
+
+#
+# BrowsePoll: poll the named server(s) for printers
+#
+
+#BrowsePoll address:port
+
+#
+# BrowsePort: the port used for UDP broadcasts.  By default this is
+# the IPP port; if you change this you need to do it on all servers.
+# Only one BrowsePort is recognized.
+#
+
+#BrowsePort 631
+
+#
+# BrowseRelay: relay browser packets from one address/network to another.
+#
+
+#BrowseRelay source-address destination-address
+
+#
+# BrowseTimeout: the timeout for network printers - if we don't
+# get an update within this time the printer will be removed
+# from the printer list.  This number definitely should not be
+# less the BrowseInterval value for obvious reasons.  Defaults
+# to 300 seconds.
+#
+
+#BrowseTimeout 300
+
+#
+# ImplicitClasses: whether or not to use implicit classes.
+#
+# Printer classes can be specified explicitly in the classes.conf
+# file, implicitly based upon the printers available on the LAN, or
+# both.
+#
+# When ImplicitClasses is On, printers on the LAN with the same name
+# (e.g. Acme-LaserPrint-1000) will be put into a class with the same
+# name. This allows you to setup multiple redundant queues on a LAN
+# without a lot of administrative difficulties.  If a user sends a
+# job to Acme-LaserPrint-1000, the job will go to the first available
+# queue.
+#
+# Enabled by default.
+#
+
+#ImplicitClasses On
+
+#
+# ImplicitAnyClasses: whether or not to create "AnyPrinter" implicit
+# classes.
+#
+# When ImplicitAnyClasses is On and a local queue of the same name
+# exists, e.g. "printer", "printer@server1", "printer@server1", then
+# an implicit class called "Anyprinter" is created instead.
+#
+# When ImplicitAnyClasses is Off, implicit classes are not created
+# when there is a local queue of the same name.
+#
+# Disabled by default.
+#
+
+#ImplicitAnyCLasses Off
+
+#
+# HideImplicitMembers: whether or not to show the members of an
+# implicit class.
+#
+# When HideImplicitMembers is On, any remote printers that are
+# part of an implicit class are hidden from the user, who will
+# then only see a single queue even though many queues will be
+# supporting the implicit class.
+#
+# Enabled by default.
+#
+
+#HideImplicitMembers On
+
+
+########
+######## Security Options
+########
+
+#
+# SystemGroup: the group name for "System" (printer administration)
+# access.  The default varies depending on the operating system, but
+# will be "sys", "system", or "root" (checked for in that order.)
+#
+
+#SystemGroup sys
+
+#
+# Access permissions for each directory served by the scheduler.
+# Locations are relative to DocumentRoot...
+#
+# AuthType: the authorization to use:
+#
+#    None   - Perform no authentication
+#    Basic  - Perform authentication using the HTTP Basic method.
+#    Digest - Perform authentication using the HTTP Digest method.
+#
+#    (Note: local certificate authentication can be substituted by
+#           the client for Basic or Digest when connecting to the
+#           localhost interface)
+#
+# AuthClass: the authorization class; currently only "Anonymous", "User",
+# "System" (valid user belonging to group SystemGroup), and "Group"
+# (valid user belonging to the specified group) are supported.
+#
+# AuthGroupName: the group name for "Group" authorization.
+#
+# Order: the order of Allow/Deny processing.
+#
+# Allow: allows access from the specified hostname, domain, IP address, or
+# network.
+#
+# Deny: denies access from the specified hostname, domain, IP address, or
+# network.
+#
+# Both "Allow" and "Deny" accept the following notations for addresses:
+#
+#     All
+#     None
+#     *.domain.com
+#     .domain.com
+#     host.domain.com
+#     nnn.*
+#     nnn.nnn.*
+#     nnn.nnn.nnn.*
+#     nnn.nnn.nnn.nnn
+#     nnn.nnn.nnn.nnn/mm
+#     nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+#
+# The host and domain address require that you enable hostname lookups
+# with "HostNameLookups On" above.
+#
+# Encryption: whether or not to use encryption; this depends on having
+# the OpenSSL library linked into the CUPS library and scheduler.
+#
+# Possible values:
+#
+#     Always       - Always use encryption (SSL)
+#     Never        - Never use encryption
+#     Required     - Use TLS encryption upgrade
+#     IfRequested  - Use encryption if the server requests it
+#
+# The default value is "IfRequested".
+#
+
+<Location />
+Order Deny,Allow
+Deny From All
+Allow From 127.0.0.1
+</Location>
+
+#<Location /classes>
+#
+# You may wish to limit access to printers and classes, either with Allow
+# and Deny lines, or by requiring a username and password.
+#
+#</Location>
+
+#<Location /classes/name>
+#
+# You may wish to limit access to printers and classes, either with Allow
+# and Deny lines, or by requiring a username and password.
+#
+#</Location>
+
+#<Location /printers>
+#
+# You may wish to limit access to printers and classes, either with Allow
+# and Deny lines, or by requiring a username and password.
+#
+#</Location>
+
+#<Location /printers/name>
+#
+# You may wish to limit access to printers and classes, either with Allow
+# and Deny lines, or by requiring a username and password.
+#
+
+## Anonymous access (default)
+#AuthType None
+
+## Require a username and password (Basic authentication)
+#AuthType Basic
+#AuthClass User
+
+## Require a username and password (Digest/MD5 authentication)
+#AuthType Digest
+#AuthClass User
+
+## Restrict access to local domain
+#Order Deny,Allow
+#Deny From All
+#Allow From .mydomain.com
+#</Location>
+
+<Location /admin>
+#
+# You definitely will want to limit access to the administration functions.
+# The default configuration requires a local connection from a user who
+# is a member of the system group to do any admin tasks.  You can change
+# the group name using the SystemGroup directive.
+#
+
+AuthType Basic
+AuthClass System
+
+## Restrict access to local domain
+Order Deny,Allow
+Deny From All
+Allow From 127.0.0.1
+
+#Encryption Required
+</Location>
+
+#
+# End of "$Id$".
+#
diff --git a/conf/mime.convs b/conf/mime.convs
new file mode 100644
index 000000000..57c537893
--- /dev/null
+++ b/conf/mime.convs
@@ -0,0 +1,87 @@
+#
+# "$Id: mime.convs 2062 2002-01-23 22:30:42Z mike $"
+#
+#   MIME converts file for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+########################################################################
+#
+# Format of Lines:
+#
+#   source/type destination/type cost filter
+#
+# General Notes:
+#
+#   The "cost" field is used to find the least costly filters to run
+#   when converting a job file to a printable format.
+#
+#   All filters *must* accept the standard command-line arguments
+#   (job-id, user, title, copies, options, [filename or stdin]) to
+#   work with CUPS.
+#
+
+########################################################################
+#
+# PostScript filters
+#
+
+application/pdf		application/postscript	33	pdftops
+application/postscript	application/vnd.cups-postscript	66	pstops
+application/vnd.hp-HPGL	application/postscript	66	hpgltops
+image/*			application/vnd.cups-postscript	66	imagetops
+application/x-cshell	application/postscript	33	texttops
+application/x-perl	application/postscript	33	texttops
+application/x-shell	application/postscript	33	texttops
+text/plain		application/postscript	33	texttops
+text/html		application/postscript	33	texttops
+
+########################################################################
+#
+# Form filter...
+#
+# This filter does not currently exist, but the file format is defined
+# in the IDD and registered with the IANA for future use...
+#
+
+#application/vnd.cups-form application/vnd.cups-postscript 33 formtops
+
+########################################################################
+#
+# Raster filters...
+#
+
+image/*			application/vnd.cups-raster	100	imagetoraster
+application/vnd.cups-postscript	application/vnd.cups-raster	100	pstoraster
+
+########################################################################
+#
+# Raw filter...
+#
+# Uncomment the following filter and the application/octet-stream type
+# in mime.types to allow printing of arbitrary files without the -oraw
+# option.
+#
+
+#application/octet-stream	application/vnd.cups-raw	0	-
+
+#
+# End of "$Id: mime.convs 2062 2002-01-23 22:30:42Z mike $".
+#
diff --git a/conf/mime.types b/conf/mime.types
new file mode 100644
index 000000000..23363b2dc
--- /dev/null
+++ b/conf/mime.types
@@ -0,0 +1,156 @@
+#
+# "$Id: mime.types 2010 2002-01-02 17:59:21Z mike $"
+#
+#   MIME types file for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+########################################################################
+#
+# Format of Lines:
+#
+#   super/type rules
+#
+# "rules" can be any combination of:
+#
+#   ( expr )				Parenthesis for expression grouping
+#   +					Logical AND
+#   , or whitespace			Logical OR
+#   !					Logical NOT
+#   match("pattern")			Pattern match on filename
+#   extension				Pattern match on "*.extension"
+#   ascii(offset,length)		True if bytes are valid printable ASCII
+#					(CR, NL, TAB, BS, 32-126)
+#   printable(offset,length)		True if bytes are printable 8-bit chars
+#					(CR, NL, TAB, BS, 32-126, 128-254)
+#   string(offset,"string")		True if bytes are identical to string
+#   char(offset,value)			True if byte is identical
+#   short(offset,value)			True if 16-bit integer is identical
+#   int(offset,value)			True if 32-bit integer is identical
+#   locale("string")                    True if current locale matches string
+#   contains(offset,range,"string")	True if the range contains the string
+#
+# General Notes:
+#
+#   MIME type names are case-insensitive.  Internally they are converted
+#   to lowercase.  Multiple occurrences of a type will cause the provided
+#   rules to be appended to the existing definition.  Type names are sorted
+#   in ascending order, so if two types use the same rules to resolve a type
+#   (e.g. doc extension for two types), the returned type will be the first
+#   type in the sorted list.
+#
+#   The "printable" rule differs from the "ascii" rule in that it also
+#   accepts 8-bit characters in the range 128-255.
+#
+#   String constants must be surrounded by "" if they contain whitespace.
+#   To insert binary data into a string, use the <hex> notation.
+#
+
+########################################################################
+#
+# Application-generated files...
+#
+
+application/msword		doc string(0,<D0CF11E0A1B11AE1>)
+application/pdf			pdf string(0,%PDF)
+application/postscript		ai eps ps string(0,%!) string(0,<04>%!)
+application/vnd.hp-HPGL		hpgl string(0,<1B>&)\
+				string(0,<1B>E<1B>%0B) string(0,<201B>)\
+				string(0,BP;) string(0,IN;) string(0,DF;) \
+				string(0,BPINPS;) \
+				(contains(0,128,<1B>%-12345X) + \
+				 (contains(9,512,"LANGUAGE=HPGL") \
+				  contains(9,512,"LANGUAGE = HPGL")))
+
+########################################################################
+#
+# Image files...
+#
+
+image/gif			gif string(0,GIF87a) string(0,GIF89a)
+image/png			png string(0,<89>PNG)
+image/jpeg			jpeg jpg jpe string(0,<FFD8FF>) &&\
+				(char(3,0xe0) char(3,0xe1) char(3,0xe2) char(3,0xe3)\
+				 char(3,0xe4) char(3,0xe5) char(3,0xe6) char(3,0xe7)\
+				 char(3,0xe8) char(3,0xe9) char(3,0xea) char(3,0xeb)\
+				 char(3,0xec) char(3,0xed) char(3,0xee) char(3,0xef))
+image/tiff			tiff tif string(0,MM) string(0,II)
+image/x-photocd			pcd string(2048,PCD_IPI)
+image/x-portable-anymap		pnm
+image/x-portable-bitmap		pbm string(0,P1) string(0,P4)
+image/x-portable-graymap	pgm string(0,P2) string(0,P5)
+image/x-portable-pixmap		ppm string(0,P3) string(0,P6)
+image/x-sgi-rgb			rgb sgi bw icon short(0,474)
+image/x-xbitmap			xbm
+image/x-xpixmap			xpm ascii(0,1024) + string(3,"XPM")
+image/x-xwindowdump		xwd
+image/x-sun-raster		ras string(0,<59a66a95>)
+
+#image/fpx			fpx
+image/x-alias			pix short(8,8) short(8,24)
+image/x-bitmap			bmp string(0,BM) && !printable(2,14)
+
+########################################################################
+#
+# Text files...
+#
+
+text/html			html htm printable(0,1024) +\
+				(string(0,"<HTML>") string(0,"<!DOCTYPE"))
+application/x-cshell		csh printable(0,1024) + string(0,#!) +\
+				(contains(2,80,/csh) contains(2,80,/tcsh))
+application/x-perl		pl printable(0,1024) + string(0,#!) +\
+				contains(2,80,/perl)
+application/x-shell		sh printable(0,1024) + string(0,#!) +\
+				(contains(2,80,/bash) contains(2,80,/ksh)\
+				 contains(2,80,/sh) contains(2,80,/zsh))
+text/plain			txt printable(0,1024)
+
+########################################################################
+#
+# CUPS-specific types...
+#
+
+application/vnd.cups-form	string(0,"<CUPSFORM>")
+application/vnd.cups-postscript	contains(0,128,<1B>%-12345X) + \
+				(contains(9,512,"LANGUAGE=POSTSCRIPT") \
+				 contains(9,512,"LANGUAGE = Postscript") \
+				 contains(9,512,"LANGUAGE = POSTSCRIPT"))
+application/vnd.cups-raster	string(0,"RaSt") string(0,"tSaR")
+application/vnd.cups-raw	(string(0,<1B>E) + !string(2,<1B>%0B)) \
+				string(0,<1B>@) \
+				(contains(0,128,<1B>%-12345X) + \
+				 (contains(9,512,"LANGUAGE=PCL") \
+				  contains(9,512,"LANGUAGE = PCL")))
+
+########################################################################
+#
+# Raw print file support...
+#
+# Uncomment the following type and the application/octet-stream
+# filter line in mime.convs to allow raw file printing without the
+# -oraw option.
+#
+
+#application/octet-stream
+
+#
+# End of "$Id: mime.types 2010 2002-01-02 17:59:21Z mike $".
+#
diff --git a/conf/printcap b/conf/printcap
new file mode 100644
index 000000000..230c3017d
--- /dev/null
+++ b/conf/printcap
@@ -0,0 +1,2 @@
+# This is a dummy printcap file that is automatically generated by the
+# CUPS software for old applications that rely on it.
diff --git a/conf/printers.conf b/conf/printers.conf
new file mode 100644
index 000000000..c69067569
--- /dev/null
+++ b/conf/printers.conf
@@ -0,0 +1,96 @@
+#
+# "$Id: printers.conf 2010 2002-01-02 17:59:21Z mike $"
+#
+#   Sample printer configuration file for the Common UNIX Printing System
+#   (CUPS) scheduler.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+########################################################################
+#                                                                      #
+# This is a sample printer configuration file.  This file is included  #
+# from the main configuration file (cups.conf) and lists all of the    #
+# printers known to the system.                                        #
+#                                                                      #
+########################################################################
+
+#
+# Each printer starts with a <Printer name> definition.  Printer names
+# can be up to 128 characters in length and are *not* case sensitive.
+#
+# One <DefaultPrinter name> entry can appear in this file; if you don't
+# define a default destination, the first printer or class becomes the
+# default.
+#
+
+#<Printer sample>
+#
+# Info: the description for the printer.
+#
+
+#Info Acme LaserPrint 1000
+
+#
+# Location: the location of the printer.
+#
+
+#Location Room 101 in the activities building
+
+#
+# DeviceURI: the device URI for this printer.
+#
+
+#DeviceURI parallel:/dev/plp
+#DeviceURI serial:/dev/ttyd1?baud=38400+size=8+parity=none+flow=soft
+#DeviceURI scsi:/dev/scsi/sc1d6l0
+#DeviceURI socket://hostname:port
+#DeviceURI tftp://hostname/path
+#DeviceURI ftp://hostname/path
+#DeviceURI http://hostname[:port]/path
+#DeviceURI ipp://hostname/path
+#DeviceURI smb://hostname/printer
+
+#
+# State: sets the initial state of the printer.  Can be one of the
+# following:
+#
+#     Idle    - Printer is available to print new jobs.
+#     Stopped - Printer is disabled but accepting new jobs.
+#
+
+#State Idle
+
+#
+# StateMessage: sets the printer-state-message attribute for the printer.
+#
+
+#StateMessage Printer is idle.
+
+#
+# Accepting: is the printer accepting jobs?
+#
+#Accepting Yes
+#Accepting No
+
+#</Printer>
+
+#
+# End of "$Id: printers.conf 2010 2002-01-02 17:59:21Z mike $".
+#
diff --git a/config-scripts/cups-common.m4 b/config-scripts/cups-common.m4
new file mode 100644
index 000000000..5c97a1d6d
--- /dev/null
+++ b/config-scripts/cups-common.m4
@@ -0,0 +1,155 @@
+dnl
+dnl "$Id: cups-common.m4 2035 2002-01-14 20:29:17Z mike $"
+dnl
+dnl   Common configuration stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+dnl We need at least autoconf 2.13...
+AC_PREREQ(2.13)
+
+dnl Set the name of the config header file...
+AC_CONFIG_HEADER(config.h)
+
+dnl Default compiler flags...
+CFLAGS="${CFLAGS:=}"
+CPPFLAGS="${CPPFLAGS:=}"
+CXXFLAGS="${CXXFLAGS:=}"
+LDFLAGS="${LDFLAGS:=}"
+
+dnl Checks for programs...
+AC_PROG_AWK
+AC_PROG_CC
+AC_PROG_CXX
+AC_PROG_CPP
+AC_PROG_INSTALL
+if test "$INSTALL" = "$ac_install_sh"; then
+	# Use full path to install-sh script...
+	INSTALL="`pwd`/install-sh -c"
+fi
+AC_PROG_RANLIB
+AC_PATH_PROG(AR,ar)
+AC_PATH_PROG(HTMLDOC,htmldoc)
+AC_PATH_PROG(MV,mv)
+AC_PATH_PROG(NROFF,nroff)
+if test "$NROFF" = ""; then
+	AC_PATH_PROG(GROFF,groff)
+	if test "$GROFF" = ""; then
+        	NROFF="echo"
+	else
+        	NROFF="$GROFF -T ascii"
+	fi
+fi
+AC_PATH_PROG(RM,rm)
+AC_PATH_PROG(SED,sed)
+
+dnl Architecture checks...
+AC_C_BIGENDIAN
+
+dnl Check for libraries...
+AC_SEARCH_LIBS(crypt, crypt)
+AC_SEARCH_LIBS(getspent, sec gen)
+
+LIBMALLOC=""
+AC_CHECK_LIB(c,mallinfo,LIBS="$LIBS"; AC_DEFINE(HAVE_MALLINFO),LIBS="$LIBS")
+if test "$ac_cv_lib_c_mallinfo" = "no"; then
+	AC_CHECK_LIB(malloc,mallinfo,
+	             LIBS="$LIBS"
+		     LIBMALLOC="-lmalloc"
+		     AC_DEFINE(HAVE_MALLINFO),
+		     LIBS="$LIBS")
+fi
+AC_SUBST(LIBMALLOC)
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_DIRENT
+AC_CHECK_HEADER(crypt.h,AC_DEFINE(HAVE_CRYPT_H))
+AC_CHECK_HEADER(malloc.h,AC_DEFINE(HAVE_MALLOC_H))
+AC_CHECK_HEADER(shadow.h,AC_DEFINE(HAVE_SHADOW_H))
+AC_CHECK_HEADER(string.h,AC_DEFINE(HAVE_STRING_H))
+AC_CHECK_HEADER(strings.h,AC_DEFINE(HAVE_STRINGS_H))
+AC_CHECK_HEADER(usersec.h,AC_DEFINE(HAVE_USERSEC_H))
+AC_CHECK_HEADER(sys/ioctl.h,AC_DEFINE(HAVE_SYS_IOCTL_H))
+
+dnl Checks for string functions.
+AC_CHECK_FUNCS(strdup strcasecmp strncasecmp)
+if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then
+	echo Forcing snprintf emulation for HP-UX.
+else
+	AC_CHECK_FUNCS(snprintf vsnprintf)
+fi
+
+dnl Check OS version and use appropriate format string for strftime...
+AC_MSG_CHECKING(for correct format string to use with strftime)
+
+case "$uname" in
+	IRIX* | SunOS*)
+		# IRIX and SunOS
+		AC_MSG_RESULT(NULL)
+		AC_DEFINE(CUPS_STRFTIME_FORMAT, NULL)
+		;;
+	*)
+		# All others
+		AC_MSG_RESULT("%c")
+		AC_DEFINE(CUPS_STRFTIME_FORMAT, "%c")
+		;;
+esac
+
+dnl Checks for mkstemp and mkstemps functions.
+AC_CHECK_FUNCS(mkstemp mkstemps)
+
+dnl Checks for vsyslog function.
+AC_CHECK_FUNCS(vsyslog)
+
+dnl Checks for signal functions.
+if test "$uname" != "Linux"; then
+	AC_CHECK_FUNCS(sigset)
+fi
+
+AC_CHECK_FUNCS(sigaction)
+
+dnl Checks for wait functions.
+AC_CHECK_FUNCS(waitpid)
+AC_CHECK_FUNCS(wait3)
+
+dnl See if the tm structure has the tm_gmtoff member...
+AC_MSG_CHECKING(for tm_gmtoff member in tm structure)
+AC_TRY_COMPILE([#include <time.h>],[struct tm t;
+	int o = t.tm_gmtoff;],
+	AC_MSG_RESULT(yes)
+	AC_DEFINE(HAVE_TM_GMTOFF),
+	AC_MSG_RESULT(no))
+
+dnl Flags for "ar" command...
+case $uname in
+        Darwin* | *BSD*)
+                ARFLAGS="-rcv"
+                ;;
+        *)
+                ARFLAGS="crvs"
+                ;;
+esac
+
+AC_SUBST(ARFLAGS)
+
+dnl
+dnl End of "$Id: cups-common.m4 2035 2002-01-14 20:29:17Z mike $".
+dnl
diff --git a/config-scripts/cups-compiler.m4 b/config-scripts/cups-compiler.m4
new file mode 100644
index 000000000..5902867c3
--- /dev/null
+++ b/config-scripts/cups-compiler.m4
@@ -0,0 +1,187 @@
+dnl
+dnl "$Id: cups-compiler.m4 2075 2002-01-26 21:35:09Z mike $"
+dnl
+dnl   Common configuration stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+dnl Clear the debugging and non-shared library options unless the user asks
+dnl for them...
+
+OPTIM=""
+AC_SUBST(OPTIM)
+
+AC_ARG_ENABLE(debug, [  --enable-debug          turn on debugging [default=no]],
+	[if test x$enable_debug = xyes; then
+		OPTIM="-g"
+	fi])
+
+AC_ARG_WITH(optim, [  --with-optim=\"flags\"    set optimization flags ])
+
+dnl Update compiler options...
+if test -n "$GCC"; then
+	# Starting with GCC 3.0, you must link C++ programs against either
+	# libstdc++ (shared by default), or libsupc++ (always static).  If
+	# you care about binary portability between Linux distributions,
+	# you need to either 1) build your own GCC with static C++ libraries
+	# or 2) link using gcc and libsupc++.  We choose the latter since
+	# CUPS doesn't (currently) use any of the stdc++ library.
+	#
+	# Also, GCC 3.0.x still has problems compiling some code.  You may
+	# or may not have success with it.  USE 3.0.x WITH EXTREME CAUTION!
+	#
+	# Previous versions of GCC do not have the reliance on the stdc++
+	# or g++ libraries, so the extra supc++ library is not needed.
+
+	AC_MSG_CHECKING(if libsupc++ is required)
+
+ 	SUPC="`$CXX -print-file-name=libsupc++.a 2>/dev/null`"
+ 	if test -n "$SUPC" -a "$SUPC" != "libsupc++.a"; then
+ 		# This is gcc 3.x, and it knows of libsupc++, so we need it
+ 		LIBS="$LIBS -lsupc++"
+		AC_MSG_RESULT(yes)
+	else
+		AC_MSG_RESULT(no)
+ 	fi
+
+	CXX="$CC"
+
+	if test -z "$OPTIM"; then
+		if test "x$with_optim" = x; then
+			if test $uname = HP-UX; then
+				# GCC under HP-UX has bugs with -O2
+				OPTIM="-O1"
+			else
+		       		OPTIM="-O2"
+			fi
+		else
+			OPTIM="$with_optim $OPTIM"
+		fi
+	fi
+
+	if test $PICFLAG = 1 -a $uname != AIX; then
+    		OPTIM="-fPIC $OPTIM"
+	fi
+
+	if test "x$with_optim" = x; then
+		OPTIM="-Wall $OPTIM"
+	fi
+else
+	case $uname in
+		AIX*)
+			if test -z "$OPTIM"; then
+				if test "x$with_optim" = x; then
+					OPTIM="-O2 -qmaxmem=6000"
+				else
+					OPTIM="$with_optim $OPTIM"
+				fi
+			fi
+			;;
+		HP-UX*)
+			if test -z "$OPTIM"; then
+				if test "x$with_optim" = x; then
+					OPTIM="+O2"
+				else
+					OPTIM="$with_optim $OPTIM"
+				fi
+			fi
+
+			CFLAGS="-Ae $CFLAGS"
+
+			if test "x$with_optim" = x; then
+				OPTIM="+DAportable $OPTIM"
+			fi
+
+			if test $PICFLAG = 1; then
+				OPTIM="+z $OPTIM"
+			fi
+			;;
+        	IRIX*)
+			if test -z "$OPTIM"; then
+				if test "x$with_optim" = x; then
+					OPTIM="-O2"
+				else
+					OPTIM="$with_optim $OPTIM"
+				fi
+			fi
+
+			if test $uversion -ge 62 -a "x$with_optim" = x; then
+				OPTIM="$OPTIM -n32 -mips3"
+			fi
+
+			if test "x$with_optim" = x; then
+				OPTIM="-fullwarn $OPTIM"
+			fi
+			;;
+		SunOS*)
+			# Solaris
+			if test -z "$OPTIM"; then
+				if test "x$with_optim" = x; then
+					OPTIM="-xO4"
+				else
+					OPTIM="$with_optim $OPTIM"
+				fi
+			fi
+
+			if test "x$with_optim" = x; then
+				OPTIM="$OPTIM -xarch=generic"
+			fi
+
+			if test $PICFLAG = 1; then
+				OPTIM="-KPIC $OPTIM"
+			fi
+			;;
+		UNIX_SVR*)
+			# UnixWare
+			if test -z "$OPTIM"; then
+				if test "x$with_optim" = x; then
+					OPTIM="-O"
+				else
+					OPTIM="$with_optim $OPTIM"
+				fi
+			fi
+
+			if test $PICFLAG = 1; then
+				OPTIM="-KPIC $OPTIM"
+			fi
+			;;
+		*)
+			# Running some other operating system; inform the user they
+			# should contribute the necessary options to
+			# cups-support@cups.org...
+			echo "Building CUPS with default compiler optimizations; contact"
+			echo "cups-bugs@cups.org with uname and compiler options needed"
+			echo "for your platform, or set the CFLAGS and CXXFLAGS"
+			echo "environment variable before running configure."
+			;;
+	esac
+fi
+
+case $uname in
+	Darwin* | *BSD)
+		ARFLAGS="-rcv"
+		;;
+	*)
+		ARFLAGS="crvs"
+		;;
+esac
+
+dnl
+dnl End of "$Id: cups-compiler.m4 2075 2002-01-26 21:35:09Z mike $".
+dnl
diff --git a/config-scripts/cups-directories.m4 b/config-scripts/cups-directories.m4
new file mode 100644
index 000000000..9f3be4810
--- /dev/null
+++ b/config-scripts/cups-directories.m4
@@ -0,0 +1,238 @@
+dnl
+dnl "$Id: cups-directories.m4 2064 2002-01-24 18:51:13Z mike $"
+dnl
+dnl   Directory stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+AC_PREFIX_DEFAULT(/)
+
+AC_ARG_WITH(fontpath, [  --with-fontpath         set font path for pstoraster],fontpath="$withval",fontpath="")
+AC_ARG_WITH(docdir, [  --with-docdir           set path for documentation],docdir="$withval",docdir="")
+AC_ARG_WITH(logdir, [  --with-logdir           set path for log files],logdir="$withval",logdir="")
+AC_ARG_WITH(rcdir, [  --with-rcdir            set path for rc scripts],rcdir="$withval",rcdir="")
+
+dnl Fix "prefix" variable if it hasn't been specified...
+if test "$prefix" = "NONE"; then
+	prefix="/"
+fi
+
+dnl Fix "exec_prefix" variable if it hasn't been specified...
+if test "$exec_prefix" = "NONE"; then
+	if test "$prefix" = "/"; then
+		exec_prefix="/usr"
+	else
+		exec_prefix="$prefix"
+	fi
+fi
+
+dnl Fix "sharedstatedir" variable if it hasn't been specified...
+if test "$sharedstatedir" = "\${prefix}/com" -a "$prefix" = "/"; then
+	sharedstatedir="/usr/com"
+fi
+
+dnl Fix "datadir" variable if it hasn't been specified...
+if test "$datadir" = "\${prefix}/share"; then
+	if test "$prefix" = "/"; then
+		datadir="/usr/share"
+	else
+		datadir="$prefix/share"
+	fi
+fi
+
+dnl Fix "includedir" variable if it hasn't been specified...
+if test "$includedir" = "\${prefix}/include" -a "$prefix" = "/"; then
+	includedir="/usr/include"
+fi
+
+dnl Fix "localstatedir" variable if it hasn't been specified...
+if test "$localstatedir" = "\${prefix}/var"; then
+	if test "$prefix" = "/"; then
+		localstatedir="/var"
+	else
+		localstatedir="$prefix/var"
+	fi
+fi
+
+dnl Fix "sysconfdir" variable if it hasn't been specified...
+if test "$sysconfdir" = "\${prefix}/etc"; then
+	if test "$prefix" = "/"; then
+		sysconfdir="/etc"
+	else
+		sysconfdir="$prefix/etc"
+	fi
+fi
+
+dnl Fix "libdir" variable for IRIX 6.x...
+if test "$uname" = "IRIX" -a $uversion -ge 62; then
+	libdir="$exec_prefix/lib32"
+fi
+
+dnl Fix "fontpath" variable...
+if test "x$fontpath" = "x"; then
+	fontpath="$datadir/cups/fonts"
+fi
+
+dnl Setup init.d locations...
+if test x$rcdir = x; then
+	case "$uname" in
+		FreeBSD* | OpenBSD*)
+			# FreeBSD and OpenBSD
+			INITDIR=""
+			INITDDIR=""
+			;;
+
+		NetBSD*)
+			# NetBSD
+			INITDIR=""
+			INITDDIR="/etc/rc.d"
+			;;
+
+		Darwin*)
+			# Darwin and MacOS X - this is just strange...
+			INITDIR=""
+			INITDDIR="/System/Library/StartupItems/CUPS"
+			;;
+
+		Linux*)
+			# Linux seems to choose an init.d directory at random...
+			if test -d /sbin/init.d; then
+				# SuSE
+				INITDIR="/sbin/init.d"
+				INITDDIR=".."
+			else
+				if test -d /etc/rc.d; then
+					# RedHat
+					INITDIR="/etc/rc.d"
+					INITDDIR="../init.d"
+				else
+					# Others
+					INITDIR="/etc"
+					INITDDIR="../init.d"
+				fi
+			fi
+			;;
+
+		OSF1* | HP-UX*)
+			INITDIR="/sbin"
+			INITDDIR="../init.d"
+			;;
+
+		AIX*)
+			INITDIR="/etc/rc.d"
+			INITDDIR=".."
+			;;
+
+		*)
+			INITDIR="/etc"
+			INITDDIR="../init.d"
+			;;
+
+	esac
+else
+	INITDIR=""
+	INITDDIR="$rcdir"
+fi
+
+AC_SUBST(INITDIR)
+AC_SUBST(INITDDIR)
+
+dnl Setup default locations...
+CUPS_SERVERROOT="$sysconfdir/cups"
+CUPS_REQUESTS="$localstatedir/spool/cups"
+
+AC_DEFINE_UNQUOTED(CUPS_SERVERROOT, "$sysconfdir/cups")
+AC_DEFINE_UNQUOTED(CUPS_REQUESTS, "$localstatedir/spool/cups")
+
+if test x$logdir = x; then
+	CUPS_LOGDIR="$localstatedir/log/cups"
+	AC_DEFINE_UNQUOTED(CUPS_LOGDIR, "$localstatedir/log/cups")
+else
+	CUPS_LOGDIR="$logdir"
+	AC_DEFINE_UNQUOTED(CUPS_LOGDIR, "$logdir")
+fi
+
+dnl See what directory to put server executables...
+case "$uname" in
+	*BSD* | Darwin*)
+		# *BSD and Darwin (MacOS X)
+		INSTALL_SYSV=""
+		CUPS_SERVERBIN="$exec_prefix/libexec/cups"
+		AC_DEFINE_UNQUOTED(CUPS_SERVERBIN, "$exec_prefix/libexec/cups")
+		;;
+	*)
+		# All others
+		INSTALL_SYSV="install-sysv"
+		CUPS_SERVERBIN="$exec_prefix/lib/cups"
+		AC_DEFINE_UNQUOTED(CUPS_SERVERBIN, "$exec_prefix/lib/cups")
+		;;
+esac
+
+AC_SUBST(INSTALL_SYSV)
+AC_SUBST(CUPS_SERVERROOT)
+AC_SUBST(CUPS_SERVERBIN)
+AC_SUBST(CUPS_LOGDIR)
+AC_SUBST(CUPS_REQUESTS)
+
+dnl Set the CUPS_LOCALE directory...
+case "$uname" in
+	Linux* | *BSD* | Darwin*)
+		CUPS_LOCALEDIR="$datadir/locale"
+		AC_DEFINE_UNQUOTED(CUPS_LOCALEDIR, "$datadir/locale")
+		;;
+
+	OSF1* | AIX*)
+		CUPS_LOCALEDIR="$exec_prefix/lib/nls/msg"
+		AC_DEFINE_UNQUOTED(CUPS_LOCALEDIR, "$exec_prefix/lib/nls/msg")
+		;;
+
+	*)
+		# This is the standard System V location...
+		CUPS_LOCALEDIR="$exec_prefix/lib/locale"
+		AC_DEFINE_UNQUOTED(CUPS_LOCALEDIR, "$exec_prefix/lib/locale")
+		;;
+esac
+
+AC_SUBST(CUPS_LOCALEDIR)
+
+dnl Set the CUPS_DATADIR directory...
+CUPS_DATADIR="$datadir/cups"
+AC_DEFINE_UNQUOTED(CUPS_DATADIR, "$datadir/cups")
+AC_SUBST(CUPS_DATADIR)
+
+dnl Set the CUPS_DOCROOT directory...
+if test x$docdir = x; then
+	CUPS_DOCROOT="$datadir/doc/cups"
+	docdir="$datadir/doc/cups"
+else
+	CUPS_DOCROOT="$docdir"
+fi
+
+AC_DEFINE_UNQUOTED(CUPS_DOCROOT, "$docdir")
+AC_SUBST(CUPS_DOCROOT)
+
+dnl Set the CUPS_FONTPATH directory...
+CUPS_FONTPATH="$fontpath"
+AC_SUBST(CUPS_FONTPATH)
+AC_DEFINE_UNQUOTED(CUPS_FONTPATH, "$fontpath")
+
+dnl
+dnl End of "$Id: cups-directories.m4 2064 2002-01-24 18:51:13Z mike $".
+dnl
diff --git a/config-scripts/cups-image.m4 b/config-scripts/cups-image.m4
new file mode 100644
index 000000000..ec232b68c
--- /dev/null
+++ b/config-scripts/cups-image.m4
@@ -0,0 +1,72 @@
+dnl
+dnl "$Id: cups-image.m4 2013 2002-01-02 18:50:43Z mike $"
+dnl
+dnl   Image library stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+dnl Save the current libraries since we don't want the image libraries
+dnl included with every program...
+SAVELIBS="$LIBS"
+
+dnl Check for image libraries...
+LIBJPEG=""
+LIBPNG=""
+LIBTIFF=""
+LIBZ=""
+
+AC_SUBST(LIBJPEG)
+AC_SUBST(LIBPNG)
+AC_SUBST(LIBTIFF)
+AC_SUBST(LIBZ)
+
+AC_CHECK_HEADER(jpeglib.h,
+    AC_CHECK_LIB(jpeg, jpeg_destroy_decompress,
+	AC_DEFINE(HAVE_LIBJPEG)
+	LIBJPEG="-ljpeg"
+	LIBS="$LIBS -ljpeg"))
+
+AC_CHECK_HEADER(zlib.h,
+    AC_CHECK_LIB(z, gzgets,
+	AC_DEFINE(HAVE_LIBZ)
+	LIBZ="-lz"
+	LIBS="$LIBS -lz"))
+
+dnl PNG library uses math library functions...
+AC_CHECK_LIB(m, pow)
+
+AC_CHECK_HEADER(png.h,
+    AC_CHECK_LIB(png, png_set_tRNS_to_alpha,
+	AC_DEFINE(HAVE_LIBPNG)
+	LIBPNG="-lpng -lm"))
+
+AC_CHECK_HEADER(tiff.h,
+    AC_CHECK_LIB(tiff, TIFFReadScanline,
+	AC_DEFINE(HAVE_LIBTIFF)
+	LIBTIFF="-ltiff"))
+
+dnl Restore original LIBS settings...
+LIBS="$SAVELIBS"
+
+AC_CHECK_HEADER(stdlib.h,AC_DEFINE(HAVE_STDLIB_H))
+
+dnl
+dnl End of "$Id: cups-image.m4 2013 2002-01-02 18:50:43Z mike $".
+dnl
diff --git a/config-scripts/cups-libtool.m4 b/config-scripts/cups-libtool.m4
new file mode 100644
index 000000000..feb6198c7
--- /dev/null
+++ b/config-scripts/cups-libtool.m4
@@ -0,0 +1,49 @@
+dnl
+dnl "$Id: cups-libtool.m4 2013 2002-01-02 18:50:43Z mike $"
+dnl
+dnl   Libtool stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+AC_ARG_ENABLE(libtool_unsupported, [  --enable-libtool-unsupported=LIBTOOL_PATH
+                          turn on building with libtool (UNSUPPORTED!) [default=no]],
+	[if test x$enable_libtool_unsupported != xno; then
+		LIBTOOL="$enable_libtool_unsupported"
+		enable_shared=no
+		echo "WARNING: libtool is not supported or endorsed by Easy Software Products."
+		echo "         WE DO NOT PROVIDE TECHNICAL SUPPORT FOR LIBTOOL PROBLEMS."
+		echo "         (even if you have a support contract)"
+	else
+		LIBTOOL=""
+	fi])
+
+AC_SUBST(LIBTOOL)
+
+if test x$LIBTOOL != x; then
+	LIBCUPS="libcups.la"
+	LIBCUPSIMAGE="libcupsimage.la"
+	LINKCUPS="../cups/\$(LIBCUPS)"
+	LINKCUPSIMAGE="../filter/\$(LIBCUPSIMAGE)"
+	DSO="\$(CC)"
+fi
+
+dnl
+dnl End of "$Id: cups-libtool.m4 2013 2002-01-02 18:50:43Z mike $".
+dnl
diff --git a/config-scripts/cups-manpages.m4 b/config-scripts/cups-manpages.m4
new file mode 100644
index 000000000..9253d1305
--- /dev/null
+++ b/config-scripts/cups-manpages.m4
@@ -0,0 +1,104 @@
+dnl
+dnl "$Id: cups-manpages.m4 2013 2002-01-02 18:50:43Z mike $"
+dnl
+dnl   Manpage stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+dnl Fix "mandir" variable...
+if test "$mandir" = "\${prefix}/man" -a "$prefix" = "/"; then
+	case "$uname" in
+        	Darwin* | Linux* | *BSD* | AIX*)
+        		# Darwin, MacOS X, Linux, *BSD, and AIX
+        		mandir="/usr/share/man"
+        		AMANDIR="/usr/share/man"
+        		PMANDIR="/usr/share/man"
+        		;;
+        	IRIX*)
+        		# SGI IRIX
+        		mandir="/usr/share/catman/u_man"
+        		AMANDIR="/usr/share/catman/a_man"
+        		PMANDIR="/usr/share/catman/p_man"
+        		;;
+        	*)
+        		# All others
+        		mandir="/usr/man"
+        		AMANDIR="/usr/man"
+        		PMANDIR="/usr/man"
+        		;;
+	esac
+else
+	AMANDIR="$mandir"
+	PMANDIR="$mandir"
+fi
+
+AC_SUBST(AMANDIR)
+AC_SUBST(PMANDIR)
+
+dnl Setup manpage extensions...
+case "$uname" in
+	*BSD* | Darwin*)
+		# *BSD
+		CAT1EXT=0
+		CAT3EXT=0
+		CAT5EXT=0
+		CAT8EXT=0
+		MAN8EXT=8
+		MAN8DIR=8
+		;;
+	IRIX*)
+		# SGI IRIX
+		CAT1EXT=z
+		CAT3EXT=z
+		CAT5EXT=z
+		CAT8EXT=z
+		MAN8EXT=1m
+		MAN8DIR=1
+		;;
+	SunOS* | HP-UX*)
+		# Solaris and HP-UX
+		CAT1EXT=1
+		CAT3EXT=3
+		CAT5EXT=5
+		CAT8EXT=1m
+		MAN8EXT=1m
+		MAN8DIR=1m
+		;;
+	*)
+		# All others
+		CAT1EXT=1
+		CAT3EXT=3
+		CAT5EXT=5
+		CAT8EXT=8
+		MAN8EXT=8
+		MAN8DIR=8
+		;;
+esac
+
+AC_SUBST(CAT1EXT)
+AC_SUBST(CAT3EXT)
+AC_SUBST(CAT5EXT)
+AC_SUBST(CAT8EXT)
+AC_SUBST(MAN8EXT)
+AC_SUBST(MAN8DIR)
+
+dnl
+dnl End of "$Id: cups-manpages.m4 2013 2002-01-02 18:50:43Z mike $".
+dnl
diff --git a/config-scripts/cups-network.m4 b/config-scripts/cups-network.m4
new file mode 100644
index 000000000..755f794c6
--- /dev/null
+++ b/config-scripts/cups-network.m4
@@ -0,0 +1,38 @@
+dnl
+dnl "$Id: cups-network.m4 2081 2002-01-27 21:16:14Z mike $"
+dnl
+dnl   Networking stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+NETLIBS=""
+
+if test "$uname" != "IRIX"; then
+	AC_CHECK_LIB(socket,socket,NETLIBS="-lsocket")
+	AC_CHECK_LIB(nsl,gethostbyaddr,NETLIBS="$NETLIBS -lnsl")
+fi
+
+AC_CHECK_FUNCS(rresvport)
+
+AC_SUBST(NETLIBS)
+
+dnl
+dnl End of "$Id: cups-network.m4 2081 2002-01-27 21:16:14Z mike $".
+dnl
diff --git a/config-scripts/cups-openslp.m4 b/config-scripts/cups-openslp.m4
new file mode 100644
index 000000000..090beafa5
--- /dev/null
+++ b/config-scripts/cups-openslp.m4
@@ -0,0 +1,47 @@
+dnl
+dnl "$Id: cups-openslp.m4 2035 2002-01-14 20:29:17Z mike $"
+dnl
+dnl   OpenSLP configuration stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+AC_ARG_ENABLE(slp, [  --enable-slp            turn on SLP support [default=yes]])
+AC_ARG_WITH(openslp-libs, [  --with-openslp-libs     set directory for OpenSLP library],
+    LDFLAGS="-L$withval $LDFLAGS"
+    DSOFLAGS="-L$withval $DSOFLAGS",)
+AC_ARG_WITH(openslp-includes, [  --with-openslp-includes set directory for OpenSLP includes],
+    CFLAGS="-I$withval $CFLAGS"
+    CXXFLAGS="-I$withval $CXXFLAGS",)
+
+LIBSLP=""
+
+if test x$enable_slp != xno; then
+    AC_CHECK_HEADER(slp.h,
+	AC_CHECK_LIB(slp, SLPOpen,
+            AC_DEFINE(HAVE_LIBSLP)
+	    LIBSLP="-lslp"))
+fi
+
+AC_SUBST(LIBSLP)
+
+
+dnl
+dnl End of "$Id: cups-openslp.m4 2035 2002-01-14 20:29:17Z mike $".
+dnl
diff --git a/config-scripts/cups-openssl.m4 b/config-scripts/cups-openssl.m4
new file mode 100644
index 000000000..7c21c1c1a
--- /dev/null
+++ b/config-scripts/cups-openssl.m4
@@ -0,0 +1,69 @@
+dnl
+dnl "$Id: cups-openssl.m4 2035 2002-01-14 20:29:17Z mike $"
+dnl
+dnl   OpenSSL stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+AC_ARG_ENABLE(ssl, [  --enable-ssl            turn on SSL/TLS support [default=yes]])
+AC_ARG_WITH(openssl-libs, [  --with-openssl-libs     set directory for OpenSSL library],
+    LDFLAGS="-L$withval $LDFLAGS"
+    DSOFLAGS="-L$withval $DSOFLAGS",)
+AC_ARG_WITH(openssl-includes, [  --with-openssl-includes set directory for OpenSSL includes],
+    CFLAGS="-I$withval $CFLAGS"
+    CXXFLAGS="-I$withval $CXXFLAGS",)
+
+SSLLIBS=""
+
+if test x$enable_ssl != xno; then
+    AC_CHECK_HEADER(openssl/ssl.h,
+	dnl Save the current libraries so the crypto stuff isn't always
+	dnl included...
+	SAVELIBS="$LIBS"
+
+	dnl Some ELF systems can't resolve all the symbols in libcrypto
+	dnl if libcrypto was linked against RSAREF, and fail to link the
+	dnl test program correctly, even though a correct installation
+	dnl of OpenSSL exists.  So we test the linking three times in
+	dnl case the RSAREF libraries are needed.
+
+	for libcrypto in \
+	    "-lcrypto" \
+	    "-lcrypto -lrsaref" \
+	    "-lcrypto -lRSAglue -lrsaref"
+	do
+	    AC_CHECK_LIB(ssl,SSL_new,
+		[SSLLIBS="-lssl $libcrypto"
+		 AC_DEFINE(HAVE_LIBSSL)],,
+		$libcrypto)
+
+	    if test "x${SSLLIBS}" != "x"; then
+		break
+	    fi
+	done
+
+	LIBS="$SAVELIBS")
+fi
+
+AC_SUBST(SSLLIBS)
+
+dnl
+dnl End of "$Id: cups-openssl.m4 2035 2002-01-14 20:29:17Z mike $".
+dnl
diff --git a/config-scripts/cups-opsys.m4 b/config-scripts/cups-opsys.m4
new file mode 100644
index 000000000..943f358e5
--- /dev/null
+++ b/config-scripts/cups-opsys.m4
@@ -0,0 +1,90 @@
+dnl
+dnl "$Id: cups-opsys.m4 2013 2002-01-02 18:50:43Z mike $"
+dnl
+dnl   Operating system stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+dnl Get the operating system and version number...
+uname=`uname`
+uversion=`uname -r | sed -e '1,$s/[[^0-9]]//g'`
+if test x$uname = xIRIX64; then
+	uname="IRIX"
+fi
+
+dnl Determine the correct username and group for this OS...
+AC_ARG_WITH(cups-user, [  --with-cups-user        set default user for CUPS],
+	CUPS_USER="$withval",
+	AC_MSG_CHECKING(for default print user)
+	if test -f /etc/passwd; then
+		CUPS_USER=""
+		for user in lp lpd guest daemon nobody; do
+			if test "`grep \^${user}: /etc/passwd`" != ""; then
+				CUPS_USER="$user"
+				AC_MSG_RESULT($user)
+				break;
+			fi
+		done
+
+		if test x$CUPS_USER = x; then
+			CUPS_USER="${USER:=nobody}"
+			AC_MSG_RESULT(not found, using "$CUPS_USER")
+		fi
+	else
+		CUPS_USER="${USER:=nobody}"
+		AC_MSG_RESULT(no password file, using "$CUPS_USER")
+	fi)
+
+AC_ARG_WITH(cups-group, [  --with-cups-group       set default group for CUPS],
+	CUPS_GROUP="$withval",
+	AC_MSG_CHECKING(for default print group)
+	if test x$uname = xDarwin; then
+		CUPS_GROUP="${GROUP:=admin}"
+		AC_MSG_RESULT(Darwin, using "$CUPS_GROUP")
+	else
+		if test -f /etc/group; then
+			CUPS_GROUP=""
+			for group in sys system root; do
+				if test "`grep \^${group}: /etc/group`" != ""; then
+					CUPS_GROUP="$group"
+					AC_MSG_RESULT($group)
+					break;
+				fi
+			done
+
+			if test x$CUPS_GROUP = x; then
+				CUPS_GROUP="${GROUP:=nobody}"
+				AC_MSG_RESULT(not found, using "$CUPS_GROUP")
+			fi
+		else
+			CUPS_GROUP="${GROUP:=nobody}"
+			AC_MSG_RESULT(no group file, using "$CUPS_GROUP")
+		fi
+	fi)
+
+AC_SUBST(CUPS_USER)
+AC_SUBST(CUPS_GROUP)
+
+AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USER, "$CUPS_USER")
+AC_DEFINE_UNQUOTED(CUPS_DEFAULT_GROUP, "$CUPS_GROUP")
+
+dnl
+dnl "$Id: cups-opsys.m4 2013 2002-01-02 18:50:43Z mike $"
+dnl
diff --git a/config-scripts/cups-pam.m4 b/config-scripts/cups-pam.m4
new file mode 100644
index 000000000..3d3f3bf5d
--- /dev/null
+++ b/config-scripts/cups-pam.m4
@@ -0,0 +1,59 @@
+dnl
+dnl "$Id: cups-pam.m4 2013 2002-01-02 18:50:43Z mike $"
+dnl
+dnl   PAM stuff for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+AC_ARG_ENABLE(pam, [  --enable-pam            turn on PAM support [default=yes]])
+
+dnl Don't use PAM with AIX...
+if test $uname = AIX; then
+	enable_pam=no
+fi
+
+PAMDIR=""
+PAMLIBS=""
+
+if test x$enable_pam != xno; then
+	SAVELIBS="$LIBS"
+	AC_CHECK_LIB(dl,dlopen)
+	AC_CHECK_LIB(pam,pam_start)
+
+	if test x$ac_cv_lib_pam_pam_start != xno; then
+		if test x$ac_cv_lib_dl_dlopen != xno; then
+			PAMLIBS="-lpam -ldl"
+		else
+			PAMLIBS="-lpam"
+		fi
+		if test -d /etc/pam.d; then
+			PAMDIR="/etc/pam.d"
+		fi
+	fi
+
+	LIBS="$SAVELIBS"
+fi
+
+AC_SUBST(PAMDIR)
+AC_SUBST(PAMLIBS)
+
+dnl
+dnl End of "$Id: cups-pam.m4 2013 2002-01-02 18:50:43Z mike $".
+dnl
diff --git a/config-scripts/cups-sharedlibs.m4 b/config-scripts/cups-sharedlibs.m4
new file mode 100644
index 000000000..9e5e630eb
--- /dev/null
+++ b/config-scripts/cups-sharedlibs.m4
@@ -0,0 +1,150 @@
+dnl
+dnl "$Id: cups-sharedlibs.m4 2064 2002-01-24 18:51:13Z mike $"
+dnl
+dnl   Shared library support for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+PICFLAG=1
+DSOFLAGS="${DSOFLAGS:=}"
+
+AC_ARG_ENABLE(shared, [  --enable-shared         turn on shared libraries [default=yes]])
+
+if test x$enable_shared != xno; then
+	case "$uname" in
+		SunOS* | UNIX_S*)
+			LIBCUPS="libcups.so.2"
+			LIBCUPSIMAGE="libcupsimage.so.2"
+			DSO="\$(CC)"
+			DSOFLAGS="$DSOFLAGS -Wl,-h,\$@ -G \$(OPTIM)"
+			;;
+		HP-UX*)
+			LIBCUPS="libcups.sl.2"
+			LIBCUPSIMAGE="libcupsimage.sl.2"
+			DSO="ld"
+			DSOFLAGS="$DSOFLAGS -b -z +h \$@"
+			;;
+		IRIX*)
+			LIBCUPS="libcups.so.2"
+			LIBCUPSIMAGE="libcupsimage.so.2"
+			DSO="\$(CC)"
+			DSOFLAGS="$DSOFLAGS -Wl,-rpath,\$(libdir),-set_version,sgi2.4,-soname,\$@ -shared \$(OPTIM)"
+			;;
+		OSF1* | Linux* | NetBSD* | OpenBSD*)
+			LIBCUPS="libcups.so.2"
+			LIBCUPSIMAGE="libcupsimage.so.2"
+			DSO="\$(CC)"
+			DSOFLAGS="$DSOFLAGS -Wl,-soname,\$@ -shared \$(OPTIM)"
+			;;
+		Darwin* | FreeBSD*)
+			LIBCUPS="libcups.2.dylib"
+			LIBCUPSIMAGE="libcupsimage.2.dylib"
+			DSO="ld"
+			DSOFLAGS="$DSOFLAGS -dylib /usr/lib/dylib1.o -lc"
+			;;
+		AIX*)
+			LIBCUPS="libcups_s.a"
+			LIBCUPSIMAGE="libcupsimage_s.a"
+			DSO="\$(CC)"
+			DSOFLAGS="$DSOFLAGS -Wl,-bexpall,-bM:SRE,-bnoentry"
+			;;
+		*)
+			echo "Warning: shared libraries may not be supported.  Trying -shared"
+			echo "         option with compiler."
+			LIBCUPS="libcups.so.2"
+			LIBCUPSIMAGE="libcupsimage.so.2"
+			DSO="\$(CC)"
+			DSOFLAGS="$DSOFLAGS -Wl,-soname,\$@ -shared \$(OPTIM)"
+			;;
+	esac
+else
+	PICFLAG=0
+	LIBCUPS="libcups.a"
+	LIBCUPSIMAGE="libcupsimage.a"
+	DSO=":"
+fi
+
+AC_SUBST(DSO)
+AC_SUBST(DSOFLAGS)
+AC_SUBST(LIBCUPS)
+AC_SUBST(LIBCUPSIMAGE)
+
+if test x$enable_shared = xno; then
+	LINKCUPS="-L../cups -lcups"
+	LINKCUPSIMAGE="-L../filter -lcupsimage"
+	LINKCUPS="$LINKCUPS \$(SSLLIBS)"
+else
+	if test $uname = AIX; then
+		LINKCUPS="-L../cups -lcups_s"
+		LINKCUPSIMAGE="-L../filter -lcupsimage_s"
+	else
+		LINKCUPS="-L../cups -lcups"
+		LINKCUPSIMAGE="-L../filter -lcupsimage"
+	fi
+fi
+
+AC_SUBST(LINKCUPS)
+AC_SUBST(LINKCUPSIMAGE)
+
+dnl Update libraries for DSOs...
+if test "$DSO" != ":"; then
+	# When using DSOs the image libraries are linked to libcupsimage.so
+	# rather than to the executables.  This makes things smaller if you
+	# are using any static libraries, and it also allows us to distribute
+	# a single DSO rather than a bunch...
+	DSOLIBS="\$(LIBPNG) \$(LIBTIFF) \$(LIBJPEG) \$(LIBZ)"
+	IMGLIBS=""
+
+	# The *BSD, HP-UX, and Solaris run-time linkers need help when
+	# deciding where to find a DSO.  Add linker options to tell them
+	# where to find the DSO (usually in /usr/lib...  duh!)
+	case $uname in
+                HP-UX*)
+			# HP-UX
+                	DSOFLAGS="+b $libdir +fb $DSOFLAGS"
+                	LDFLAGS="$LDFLAGS -Wl,+b,$libdir,+fb"
+                	;;
+                SunOS*)
+                	# Solaris
+                	DSOFLAGS="-R$libdir $DSOFLAGS"
+                	LDFLAGS="$LDFLAGS -R$libdir"
+                	;;
+                *BSD* | Darwin*)
+                        # *BSD
+                	DSOFLAGS="-Wl,-R$libdir $DSOFLAGS"
+                        LDFLAGS="$LDFLAGS -Wl,-R$libdir"
+                        ;;
+                Linux*)
+                        # Linux
+                	DSOFLAGS="-Wl,-rpath,$libdir $DSOFLAGS"
+                        LDFLAGS="$LDFLAGS -Wl,-rpath,$libdir"
+                        ;;
+	esac
+else
+	DSOLIBS=""
+	IMGLIBS="\$(LIBPNG) \$(LIBTIFF) \$(LIBJPEG) \$(LIBZ)"
+fi
+
+AC_SUBST(DSOLIBS)
+AC_SUBST(IMGLIBS)
+
+dnl
+dnl End of "$Id: cups-sharedlibs.m4 2064 2002-01-24 18:51:13Z mike $".
+dnl
diff --git a/config.h.in b/config.h.in
new file mode 100644
index 000000000..6572d39de
--- /dev/null
+++ b/config.h.in
@@ -0,0 +1,214 @@
+/*
+ * "$Id$"
+ *
+ *   Configuration file for the Common UNIX Printing System (CUPS).
+ *
+ *   @configure_input@
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9600
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Version of software...
+ */
+
+#define CUPS_SVERSION	"CUPS v1.1.13"
+
+
+/*
+ * Default user and group...
+ */
+
+#define CUPS_DEFAULT_USER	"lp"
+#define CUPS_DEFAULT_GROUP	"sys"
+
+
+/*
+ * Where are files stored?
+ */
+
+#define CUPS_LOCALEDIR	"/usr/share/locale"
+#define CUPS_SERVERROOT	"/etc/cups"
+#define CUPS_SERVERBIN	"/usr/lib/cups"
+#define CUPS_DOCROOT	"/usr/share/doc/cups"
+#define CUPS_REQUESTS	"/var/spool/cups"
+#define CUPS_LOGDIR	"/var/logs/cups"
+#define CUPS_DATADIR    "/usr/share/cups"
+#define CUPS_FONTPATH	"/usr/share/cups/fonts"
+
+
+/*
+ * What is the format string for strftime?
+ */
+
+#define CUPS_STRFTIME_FORMAT	NULL
+
+
+/*
+ * Do we have various image libraries?
+ */
+
+#undef HAVE_LIBPNG
+#undef HAVE_LIBZ
+#undef HAVE_LIBJPEG
+#undef HAVE_LIBTIFF
+
+
+/*
+ * Does this machine store words in big-endian (MSB-first) order?
+ */
+
+#undef WORDS_BIGENDIAN
+
+
+/*
+ * Which directory functions and headers do we use?
+ */
+
+#undef HAVE_DIRENT_H
+#undef HAVE_SYS_DIR_H
+#undef HAVE_SYS_NDIR_H
+#undef HAVE_NDIR_H
+
+
+/*
+ * Do we have PAM stuff?
+ */
+
+#ifndef HAVE_LIBPAM
+#define HAVE_LIBPAM 0
+#endif /* !HAVE_LIBPAM */
+
+
+/*
+ * Do we have <shadow.h>?
+ */
+
+#undef HAVE_SHADOW_H
+
+
+/*
+ * Do we have <crypt.h>?
+ */
+
+#undef HAVE_CRYPT_H
+
+
+/*
+ * Use <string.h>, <strings.h>, or both?
+ */
+
+#undef HAVE_STRING_H
+#undef HAVE_STRINGS_H
+
+
+/*
+ * Do we have the strXXX() functions?
+ */
+
+#undef HAVE_STRDUP
+#undef HAVE_STRCASECMP
+#undef HAVE_STRNCASECMP
+
+
+/*
+ * Do we have the vsyslog() function?
+ */
+
+#undef HAVE_VSYSLOG
+
+
+/*
+ * Do we have the (v)snprintf() functions?
+ */
+
+#undef HAVE_SNPRINTF
+#undef HAVE_VSNPRINTF
+
+
+/*
+ * What signal functions to use?
+ */
+
+#undef HAVE_SIGSET
+#undef HAVE_SIGACTION
+
+
+/*
+ * What wait functions to use?
+ */
+
+#undef HAVE_WAITPID
+#undef HAVE_WAIT3
+
+
+/*
+ * Do we have the mallinfo function and malloc.h?
+ */
+
+#undef HAVE_MALLINFO
+#undef HAVE_MALLOC_H
+
+
+/*
+ * Do we have the OpenSSL library?
+ */
+
+#undef HAVE_LIBSSL
+
+
+/*
+ * Do we have the OpenSLP library?
+ */
+
+#undef HAVE_LIBSLP
+
+
+/*
+ * Do we have <sys/ioctl.h>?
+ */
+
+#undef HAVE_SYS_IOCTL_H
+
+
+/*
+ * Do we have mkstemp() and/or mkstemps()?
+ */
+
+#undef HAVE_MKSTEMP
+#undef HAVE_MKSTEMPS
+
+
+/*
+ * Does the "tm" structure contain the "tm_gmtoff" member?
+ */
+
+#undef HAVE_TM_GMTOFF
+
+
+/*
+ * Do we have rresvport()?
+ */
+
+#undef HAVE_RRESVPORT
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/configure.in b/configure.in
new file mode 100644
index 000000000..2049ef4fc
--- /dev/null
+++ b/configure.in
@@ -0,0 +1,48 @@
+dnl
+dnl "$Id$"
+dnl
+dnl   Configuration script for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+dnl
+dnl   These coded instructions, statements, and computer programs are the
+dnl   property of Easy Software Products and are protected by Federal
+dnl   copyright law.  Distribution and use rights are outlined in the file
+dnl   "LICENSE.txt" which should have been included with this file.  If this
+dnl   file is missing or damaged please contact Easy Software Products
+dnl   at:
+dnl
+dnl       Attn: CUPS Licensing Information
+dnl       Easy Software Products
+dnl       44141 Airport View Drive, Suite 204
+dnl       Hollywood, Maryland 20636-3111 USA
+dnl
+dnl       Voice: (301) 373-9603
+dnl       EMail: cups-info@cups.org
+dnl         WWW: http://www.cups.org
+dnl
+
+AC_INIT(cups/cups.h)
+
+sinclude(config-scripts/cups-opsys.m4)
+sinclude(config-scripts/cups-common.m4)
+sinclude(config-scripts/cups-directories.m4)
+sinclude(config-scripts/cups-manpages.m4)
+
+sinclude(config-scripts/cups-sharedlibs.m4)
+sinclude(config-scripts/cups-libtool.m4)
+sinclude(config-scripts/cups-compiler.m4)
+
+sinclude(config-scripts/cups-image.m4)
+sinclude(config-scripts/cups-network.m4)
+sinclude(config-scripts/cups-openslp.m4)
+sinclude(config-scripts/cups-openssl.m4)
+sinclude(config-scripts/cups-pam.m4)
+
+AC_OUTPUT(Makedefs cups.list cups.sh cups-config conf/cupsd.conf)
+
+chmod +x cups-config
+
+dnl
+dnl End of "$Id$".
+dnl
diff --git a/cups-config.in b/cups-config.in
new file mode 100755
index 000000000..d52e66e77
--- /dev/null
+++ b/cups-config.in
@@ -0,0 +1,133 @@
+#! /bin/sh
+#
+# "$Id$"
+# 
+#   CUPS configuration utility.
+#
+#   Copyright 2001 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+VERSION="1.1.13"
+APIVERSION="1.1"
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+includedir=@includedir@
+libdir=@libdir@
+datadir=@datadir@
+sysconfdir=@sysconfdir@
+cups_datadir=@CUPS_DATADIR@
+cups_serverbin=@CUPS_SERVERBIN@
+cups_serverroot=@CUPS_SERVERROOT@
+
+# flags for C++ compiler:
+CFLAGS="@CFLAGS@"
+LDFLAGS="@LDFLAGS@"
+LIBS="@SSLLIBS@ @NETLIBS@ @LIBS@"
+
+if test $includedir != /usr/include; then
+    CFLAGS="$CFLAGS -I$includedir"
+fi
+
+if test $libdir != /usr/lib -a $libdir != /usr/lib32; then
+    LDFLAGS="$LDFLAGS -L$libdir"
+fi
+
+usage ()
+{
+    echo "Usage: cups-config --api-version"
+    echo "       cups-config --cflags"
+    echo "       cups-config --datadir"
+    echo "       cups-config --help"
+    echo "       cups-config --ldflags"
+    echo "       cups-config [--image] [--static] --libs"
+    echo "       cups-config --serverbin"
+    echo "       cups-config --serverroot"
+    echo "       cups-config --version"
+
+    exit $1
+}
+
+if test $# -eq 0; then
+    usage 1
+fi
+
+# Parse command line options
+static=no
+image=no
+
+while test $# -gt 0; do
+    case $1 in
+	--api-version)
+	    echo $APIVERSION
+	    ;;
+	--cflags)
+	    echo $CFLAGS
+	    ;;
+	--datadir)
+	    echo $cups_datadir
+	    ;;
+	--help)
+	    usage 0
+	    ;;
+	--image)
+	    image=yes
+	    ;;
+	--ldflags)
+	    echo $LDFLAGS
+	    ;;
+	--libs)
+	    if test $static = no; then
+	        if test $image = no; then
+	            echo -lcups $LIBS
+		else
+	            echo -lcupsimage -lcups $LIBS
+		fi
+	    else
+	        if test $image = no; then
+	            echo $libdir/libcups.a $LIBS
+		else
+	            echo $libdir/libcupsimage.a $libdir/libcups.a $LIBS
+		fi
+	    fi
+	    ;;
+	--serverbin)
+	    echo $cups_serverbin
+	    ;;
+	--serverroot)
+	    echo $cups_serverroot
+	    ;;
+	--static)
+	    static=yes
+	    ;;
+	--version)
+	    echo $VERSION
+	    ;;
+	*)
+	    usage 1
+	    ;;
+    esac
+
+    shift
+done
+
+#
+# End of "$Id$".
+#
diff --git a/cups.dsw b/cups.dsw
new file mode 100644
index 000000000..28bdbaa89
--- /dev/null
+++ b/cups.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00

+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!

+

+###############################################################################

+

+Project: "cups"=.\cups\cups.dsp - Package Owner=<4>

+

+Package=<5>

+{{{

+}}}

+

+Package=<4>

+{{{

+}}}

+

+###############################################################################

+

+Global:

+

+Package=<5>

+{{{

+}}}

+

+Package=<3>

+{{{

+}}}

+

+###############################################################################

+

diff --git a/cups.list.in b/cups.list.in
new file mode 100644
index 000000000..aee5a4389
--- /dev/null
+++ b/cups.list.in
@@ -0,0 +1,400 @@
+#
+# "$Id$"
+#
+#   ESP Package Manager (EPM) file list for the Common UNIX Printing
+#   System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+# Product information
+%product Common UNIX Printing System
+%copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+%vendor Easy Software Products
+%license LICENSE.txt
+%readme README.txt
+%version 1.1.13
+%provides cups
+%provides cupsys
+%provides cups-devel
+%provides cupsys-devel
+%provides cups-pstoraster
+%provides libcups1
+%provides libcups.so.2
+
+#
+# GNU variables...
+#
+
+$prefix=@prefix@
+$exec_prefix=@exec_prefix@
+$bindir=@bindir@
+$datadir=@datadir@
+$includedir=@includedir@
+$infodir=@infodir@
+$libdir=@libdir@
+$libexecdir=@libexecdir@
+$localstatedir=@localstatedir@
+$mandir=@mandir@
+$oldincludedir=@oldincludedir@
+$sbindir=@sbindir@
+$sharedstatedir=@sharedstatedir@
+$srcdir=@srcdir@
+$sysconfdir=@sysconfdir@
+$top_srcdir=@top_srcdir@
+
+#
+# ESP variables...
+#
+
+$AMANDIR=@AMANDIR@
+$BINDIR=@bindir@
+$DATADIR=@CUPS_DATADIR@
+$DOCDIR=@CUPS_DOCROOT@
+$INCLUDEDIR=${includedir}
+$INITDIR=@INITDIR@
+$INITDDIR=@INITDDIR@
+$LIBDIR=${libdir}
+$LOCALEDIR=@CUPS_LOCALEDIR@
+$LOGDIR=@CUPS_LOGDIR@
+$MANDIR=@mandir@
+$PAMDIR=@PAMDIR@
+$PMANDIR=@PMANDIR@
+$REQUESTS=@CUPS_REQUESTS@
+$SBINDIR=@sbindir@
+$SERVERBIN=@CUPS_SERVERBIN@
+$SERVERROOT=@CUPS_SERVERROOT@
+
+$CUPS_USER=@CUPS_USER@
+
+$CAT1EXT=@CAT1EXT@
+$CAT3EXT=@CAT3EXT@
+$CAT5EXT=@CAT5EXT@
+$CAT8EXT=@CAT8EXT@
+$MAN8EXT=@MAN8EXT@
+$MAN8DIR=@MAN8DIR@
+
+# Make sure the MD5 password file is now owned by CUPS_USER...
+%postinstall if test -f $SERVERROOT/passwd.md5; then
+%postinstall chown $CUPS_USER $SERVERROOT/passwd.md5
+%postinstall fi
+
+# Make sure the shared libraries are refreshed...
+%system linux
+%postinstall ldconfig
+%system all
+
+# Server programs
+%system all
+# Server files
+f 0555 root sys $SBINDIR/cupsd scheduler/cupsd
+
+d 0555 root sys $SERVERBIN -
+d 0555 root sys $SERVERBIN/backend -
+f 0555 root sys $SERVERBIN/backend/ipp backend/ipp
+l 0555 root sys $SERVERBIN/backend/http ipp
+f 0555 root sys $SERVERBIN/backend/lpd backend/lpd
+f 0555 root sys $SERVERBIN/backend/parallel backend/parallel
+f 0555 root sys $SERVERBIN/backend/serial backend/serial
+f 0555 root sys $SERVERBIN/backend/socket backend/socket
+f 0555 root sys $SERVERBIN/backend/usb backend/usb
+d 0555 root sys $SERVERBIN/cgi-bin -
+f 0555 root sys $SERVERBIN/cgi-bin/admin.cgi cgi-bin/admin.cgi
+f 0555 root sys $SERVERBIN/cgi-bin/classes.cgi cgi-bin/classes.cgi
+f 0555 root sys $SERVERBIN/cgi-bin/jobs.cgi cgi-bin/jobs.cgi
+f 0555 root sys $SERVERBIN/cgi-bin/printers.cgi cgi-bin/printers.cgi
+d 0555 root sys $SERVERBIN/daemon -
+f 0555 root sys $SERVERBIN/daemon/cups-lpd scheduler/cups-lpd
+f 0555 root sys $SERVERBIN/daemon/cups-polld scheduler/cups-polld
+d 0555 root sys $SERVERBIN/filter -
+f 0555 root sys $SERVERBIN/filter/pstoraster pstoraster/pstoraster
+f 0555 root sys $SERVERBIN/filter/pdftops pdftops/pdftops
+f 0555 root sys $SERVERBIN/filter/imagetops filter/imagetops
+f 0555 root sys $SERVERBIN/filter/pstops filter/pstops
+f 0555 root sys $SERVERBIN/filter/texttops filter/texttops
+f 0555 root sys $SERVERBIN/filter/rastertodymo filter/rastertodymo
+f 0555 root sys $SERVERBIN/filter/rastertoepson filter/rastertoepson
+f 0555 root sys $SERVERBIN/filter/rastertohp filter/rastertohp
+f 0555 root sys $SERVERBIN/filter/hpgltops filter/hpgltops
+f 0555 root sys $SERVERBIN/filter/imagetoraster filter/imagetoraster
+
+# Admin commands
+l 0555 root sys $BINDIR/disable $SBINDIR/accept
+l 0555 root sys $BINDIR/enable $SBINDIR/accept
+l 0555 root sys $LIBDIR/accept $SBINDIR/accept
+l 0555 root sys $LIBDIR/lpadmin $SBINDIR/lpadmin
+l 0555 root sys $LIBDIR/reject accept
+f 0555 root sys $SBINDIR/accept systemv/accept
+f 0555 root sys $SBINDIR/cupsaddsmb systemv/cupsaddsmb
+f 0555 root sys $SBINDIR/lpadmin systemv/lpadmin
+f 0555 root sys $SBINDIR/lpc berkeley/lpc
+f 0555 root sys $SBINDIR/lpinfo systemv/lpinfo
+f 0555 root sys $SBINDIR/lpmove systemv/lpmove
+l 0555 root sys $SBINDIR/reject accept
+
+%system irix
+l 0555 root sys /usr/etc/lpc $SBINDIR/lpc
+%system all
+
+# User commands
+f 0555 root sys $BINDIR/cancel systemv/cancel
+f 0555 root sys $BINDIR/lp systemv/lp
+f 0555 root sys $BINDIR/lpoptions systemv/lpoptions
+f 4555 $CUPS_USER sys $BINDIR/lppasswd systemv/lppasswd
+f 0555 root sys $BINDIR/lpq berkeley/lpq
+f 0555 root sys $BINDIR/lpr berkeley/lpr
+f 0555 root sys $BINDIR/lprm berkeley/lprm
+f 0555 root sys $BINDIR/lpstat systemv/lpstat
+
+%system irix
+l 0555 root sys /usr/bsd/lpq $BINDIR/lpq
+l 0555 root sys /usr/bsd/lpr $BINDIR/lpr
+l 0555 root sys /usr/bsd/lprm $BINDIR/lprm
+%system all
+
+# DSOs
+%system hpux
+f 0555 root sys $LIBDIR/libcups.sl.2 cups/libcups.sl.2
+l 0555 root sys $LIBDIR/libcups.sl libcups.sl.2
+f 0555 root sys $LIBDIR/libcupsimage.sl.2 filter/libcupsimage.sl.2
+l 0555 root sys $LIBDIR/libcupsimage.sl libcupsimage.sl.2
+%system aix
+f 0555 root sys $LIBDIR/libcups_s.a cups/libcups_s.a
+f 0555 root sys $LIBDIR/libcupsimage_s.a filter/libcupsimage_s.a
+%system !hpux !aix
+f 0555 root sys $LIBDIR/libcups.so.2 cups/libcups.so.2
+l 0555 root sys $LIBDIR/libcups.so libcups.so.2
+f 0555 root sys $LIBDIR/libcupsimage.so.2 filter/libcupsimage.so.2
+l 0555 root sys $LIBDIR/libcupsimage.so libcupsimage.so.2
+%system all
+
+# Directories
+d 0755 root sys $LOGDIR -
+d 0700 $CUPS_USER sys $REQUESTS -
+d 1700 $CUPS_USER sys $REQUESTS/tmp -
+
+# Data files
+f 0444 root sys $LOCALEDIR/C/cups_C locale/C/cups_C
+f 0444 root sys $LOCALEDIR/be/cups_be locale/be/cups_be
+f 0444 root sys $LOCALEDIR/cs/cups_cs locale/cs/cups_cs
+f 0444 root sys $LOCALEDIR/de/cups_de locale/de/cups_de
+f 0444 root sys $LOCALEDIR/en/cups_en locale/en/cups_en
+f 0444 root sys $LOCALEDIR/es/cups_es locale/es/cups_es
+f 0444 root sys $LOCALEDIR/fr/cups_fr locale/fr/cups_fr
+f 0444 root sys $LOCALEDIR/it/cups_it locale/it/cups_it
+f 0444 root sys $LOCALEDIR/ru_RU.cp1251/cups_ru_RU.cp1251 locale/ru_RU.cp1251/cups_ru_RU.cp1251
+f 0444 root sys $LOCALEDIR/ru_RU.koi8r/cups_ru_RU.koi8r locale/ru_RU.koi8r/cups_ru_RU.koi8r
+f 0444 root sys $LOCALEDIR/uk/cups_uk locale/uk/cups_uk
+f 0444 root sys $LOCALEDIR/uk_UA.cp1251/cups_uk_UA.cp1251 locale/uk_UA.cp1251/cups_uk_UA.cp1251
+f 0444 root sys $LOCALEDIR/zh_CN/cups_zh_CN locale/zh_CN/cups_zh_CN
+
+d 0555 root sys $DATADIR -
+
+d 0555 root sys $DATADIR/banners -
+f 0444 root sys $DATADIR/banners/classified data/classified
+f 0444 root sys $DATADIR/banners/confidential data/confidential
+f 0444 root sys $DATADIR/banners/secret data/secret
+f 0444 root sys $DATADIR/banners/standard data/standard
+f 0444 root sys $DATADIR/banners/topsecret data/topsecret
+f 0444 root sys $DATADIR/banners/unclassified data/unclassified
+
+d 0555 root sys $DATADIR/charsets -
+f 0444 root sys $DATADIR/charsets/windows-874 data/windows-874
+f 0444 root sys $DATADIR/charsets/windows-1250 data/windows-1250
+f 0444 root sys $DATADIR/charsets/windows-1251 data/windows-1251
+f 0444 root sys $DATADIR/charsets/windows-1252 data/windows-1252
+f 0444 root sys $DATADIR/charsets/windows-1253 data/windows-1253
+f 0444 root sys $DATADIR/charsets/windows-1254 data/windows-1254
+f 0444 root sys $DATADIR/charsets/windows-1255 data/windows-1255
+f 0444 root sys $DATADIR/charsets/windows-1256 data/windows-1256
+f 0444 root sys $DATADIR/charsets/windows-1257 data/windows-1257
+f 0444 root sys $DATADIR/charsets/windows-1258 data/windows-1258
+f 0444 root sys $DATADIR/charsets/iso-8859-1 data/iso-8859-1
+f 0444 root sys $DATADIR/charsets/iso-8859-2 data/iso-8859-2
+f 0444 root sys $DATADIR/charsets/iso-8859-3 data/iso-8859-3
+f 0444 root sys $DATADIR/charsets/iso-8859-4 data/iso-8859-4
+f 0444 root sys $DATADIR/charsets/iso-8859-5 data/iso-8859-5
+f 0444 root sys $DATADIR/charsets/iso-8859-6 data/iso-8859-6
+f 0444 root sys $DATADIR/charsets/iso-8859-7 data/iso-8859-7
+f 0444 root sys $DATADIR/charsets/iso-8859-8 data/iso-8859-8
+f 0444 root sys $DATADIR/charsets/iso-8859-9 data/iso-8859-9
+f 0444 root sys $DATADIR/charsets/iso-8859-10 data/iso-8859-10
+f 0444 root sys $DATADIR/charsets/iso-8859-13 data/iso-8859-13
+f 0444 root sys $DATADIR/charsets/iso-8859-14 data/iso-8859-14
+f 0444 root sys $DATADIR/charsets/iso-8859-15 data/iso-8859-15
+f 0444 root sys $DATADIR/charsets/utf-8 data/utf-8
+
+d 0555 root sys $DATADIR/data -
+f 0444 root sys $DATADIR/data/HPGLprolog data/HPGLprolog
+f 0444 root sys $DATADIR/data/psglyphs data/psglyphs
+f 0444 root sys $DATADIR/data/testprint.ps data/testprint.ps
+
+d 0555 root sys $DATADIR/fonts -
+f 0444 root sys $DATADIR/fonts fonts/AvantGarde*
+f 0444 root sys $DATADIR/fonts fonts/Bookman*
+f 0444 root sys $DATADIR/fonts fonts/Charter*
+f 0444 root sys $DATADIR/fonts fonts/Courier*
+f 0444 root sys $DATADIR/fonts fonts/Helvetica*
+f 0444 root sys $DATADIR/fonts fonts/NewCentury*
+f 0444 root sys $DATADIR/fonts fonts/Palatino*
+f 0444 root sys $DATADIR/fonts fonts/Symbol
+f 0444 root sys $DATADIR/fonts fonts/Times*
+f 0444 root sys $DATADIR/fonts fonts/Utopia*
+f 0444 root sys $DATADIR/fonts fonts/Zapf*
+
+d 0555 root sys $DATADIR/pstoraster -
+f 0444 root sys $DATADIR/pstoraster/Fontmap pstoraster/Fontmap
+f 0444 root sys $DATADIR/pstoraster pstoraster/gs*.ps
+
+d 0555 root sys $DATADIR/model -
+f 0444 root sys $DATADIR/model ppd/*.ppd
+
+d 0555 root sys $DATADIR/templates -
+c 0444 root sys $DATADIR/templates templates/*.tmpl
+
+# Config files
+d 0555 root sys $SERVERROOT -
+d 0711 $CUPS_USER $CUPS_GROUP $SERVERROOT/certs -
+d 0755 root sys $SERVERROOT/interfaces -
+d 0755 root sys $SERVERROOT/ppd -
+c 0600 root sys $SERVERROOT conf/*.conf
+c 0600 root sys $SERVERROOT/mime.convs conf/mime.convs
+c 0600 root sys $SERVERROOT/mime.types conf/mime.types
+
+%system linux
+d 0555 root sys $PAMDIR -
+c 0644 root sys $PAMDIR/cups data/cups.pam
+c 0644 root sys $PAMDIR/cups.suse data/cups.suse
+%install if test -f /lib/security/pam_unix.so; then
+%install     mv $PAMDIR/cups.suse $PAMDIR/cups
+%install fi
+
+# IRIX doesn't normally support PAM, but the freeware project
+# includes a version of PAM that can be used...
+%system irix
+d 0555 root sys $PAMDIR -
+c 0644 root sys $PAMDIR/cups data/cups.irix
+
+%system all
+
+# Developer files
+f 0555 root sys $BINDIR/cups-config cups-config
+d 0555 root sys $INCLUDEDIR/cups -
+f 0444 root sys $INCLUDEDIR/cups/cups.h cups/cups.h
+f 0444 root sys $INCLUDEDIR/cups/http.h cups/http.h
+f 0444 root sys $INCLUDEDIR/cups/image.h filter/image.h
+f 0444 root sys $INCLUDEDIR/cups/ipp.h cups/ipp.h
+f 0444 root sys $INCLUDEDIR/cups/language.h cups/language.h
+f 0444 root sys $INCLUDEDIR/cups/md5.h cups/md5.h
+f 0444 root sys $INCLUDEDIR/cups/ppd.h cups/ppd.h
+f 0444 root sys $INCLUDEDIR/cups/raster.h filter/raster.h
+
+f 0444 root sys $LIBDIR/libcups.a cups/libcups.a
+
+# Documentation files
+d 0555 root sys $DOCDIR -
+f 0444 root sys $DOCDIR doc/*.css
+f 0444 root sys $DOCDIR doc/*.html
+f 0444 root sys $DOCDIR doc/*.pdf
+d 0555 root sys $DOCDIR/images -
+f 0444 root sys $DOCDIR/images doc/images/*.gif
+
+# Man pages
+d 0555 root sys $AMANDIR -
+d 0555 root sys $AMANDIR/cat$MAN8DIR -
+d 0555 root sys $AMANDIR/man$MAN8DIR -
+d 0555 root sys $MANDIR -
+d 0555 root sys $MANDIR/cat1 -
+d 0555 root sys $PMANDIR/cat3 -
+d 0555 root sys $MANDIR/cat5 -
+d 0555 root sys $MANDIR/man1 -
+d 0555 root sys $PMANDIR/man3 -
+d 0555 root sys $MANDIR/man5 -
+
+f 0444 root sys $MANDIR/cat1/backend.$CAT1EXT man/backend.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/filter.$CAT1EXT man/filter.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lpoptions.$CAT1EXT man/lpoptions.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lppasswd.$CAT1EXT man/lppasswd.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lpq.$CAT1EXT man/lpq.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lprm.$CAT1EXT man/lprm.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lpr.$CAT1EXT man/lpr.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lpstat.$CAT1EXT man/lpstat.$CAT1EXT
+f 0444 root sys $MANDIR/cat1/lp.$CAT1EXT man/lp.$CAT1EXT
+l 0444 root sys $MANDIR/cat1/cancel.$CAT1EXT lp.$CAT1EXT
+
+f 0444 root sys $PMANDIR/cat3/cups-config.$CAT3EXT man/cups-config.$CAT3EXT
+
+f 0444 root sys $MANDIR/cat5/classes.conf.$CAT5EXT man/classes.conf.$CAT5EXT
+f 0444 root sys $MANDIR/cat5/cupsd.conf.$CAT5EXT man/cupsd.conf.$CAT5EXT
+f 0444 root sys $MANDIR/cat5/mime.convs.$CAT5EXT man/mime.convs.$CAT5EXT
+f 0444 root sys $MANDIR/cat5/mime.types.$CAT5EXT man/mime.types.$CAT5EXT
+f 0444 root sys $MANDIR/cat5/printers.conf.$CAT5EXT man/printers.conf.$CAT5EXT
+
+f 0444 root sys $AMANDIR/cat$MAN8DIR/accept.$CAT8EXT man/accept.$CAT8EXT
+l 0444 root sys $AMANDIR/cat$MAN8DIR/reject.$CAT8EXT accept.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/cupsaddsmb.$CAT8EXT man/cupsaddsmb.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/cups-lpd.$CAT8EXT man/cups-lpd.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/cups-polld.$CAT8EXT man/cups-polld.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/cupsd.$CAT8EXT man/cupsd.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/enable.$CAT8EXT man/enable.$CAT8EXT
+l 0444 root sys $AMANDIR/cat$MAN8DIR/disable.$CAT8EXT enable.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/lpadmin.$CAT8EXT man/lpadmin.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/lpc.$CAT8EXT man/lpc.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/lpinfo.$CAT8EXT man/lpinfo.$CAT8EXT
+f 0444 root sys $AMANDIR/cat$MAN8DIR/lpmove.$CAT8EXT man/lpmove.$CAT8EXT
+
+f 0444 root sys $MANDIR/man1/backend.$MAN1EXT man/backend.man
+f 0444 root sys $MANDIR/man1/filter.$MAN1EXT man/filter.man
+f 0444 root sys $MANDIR/man1/lpoptions.$MAN1EXT man/lpoptions.man
+f 0444 root sys $MANDIR/man1/lppasswd.$MAN1EXT man/lppasswd.man
+f 0444 root sys $MANDIR/man1/lpq.$MAN1EXT man/lpq.man
+f 0444 root sys $MANDIR/man1/lprm.$MAN1EXT man/lprm.man
+f 0444 root sys $MANDIR/man1/lpr.$MAN1EXT man/lpr.man
+f 0444 root sys $MANDIR/man1/lpstat.$MAN1EXT man/lpstat.man
+f 0444 root sys $MANDIR/man1/lp.$MAN1EXT man/lp.man
+l 0444 root sys $MANDIR/man1/cancel.$MAN1EXT lp.man
+
+f 0444 root sys $PMANDIR/man3/cups-config.$MAN3EXT man/cups-config.man
+
+f 0444 root sys $MANDIR/man5/classes.conf.$MAN5EXT man/classes.conf.man
+f 0444 root sys $MANDIR/man5/cupsd.conf.$MAN5EXT man/cupsd.conf.man
+f 0444 root sys $MANDIR/man5/mime.convs.$MAN5EXT man/mime.convs.man
+f 0444 root sys $MANDIR/man5/mime.types.$MAN5EXT man/mime.types.man
+f 0444 root sys $MANDIR/man5/printers.conf.$MAN5EXT man/printers.conf.man
+
+f 0444 root sys $AMANDIR/man$MAN8DIR/accept.$MAN8EXT man/accept.man
+l 0444 root sys $AMANDIR/man$MAN8DIR/reject.$MAN8EXT accept.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/cupsaddsmb.$MAN8EXT man/cupsaddsmb.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/cups-lpd.$MAN8EXT man/cups-lpd.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/cups-polld.$MAN8EXT man/cups-polld.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/cupsd.$MAN8EXT man/cupsd.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/enable.$MAN8EXT man/enable.man
+l 0444 root sys $AMANDIR/man$MAN8DIR/disable.$MAN8EXT enable.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/lpadmin.$MAN8EXT man/lpadmin.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/lpc.$MAN8EXT man/lpc.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/lpinfo.$MAN8EXT man/lpinfo.man
+f 0444 root sys $AMANDIR/man$MAN8DIR/lpmove.$MAN8EXT man/lpmove.man
+
+# Startup script
+%system all
+i 0555 root sys cups cups.sh
+
+#
+# End of "$Id$".
+#
diff --git a/cups.plist b/cups.plist
new file mode 100644
index 000000000..f7c80c61a
--- /dev/null
+++ b/cups.plist
@@ -0,0 +1,11 @@
+{
+  Description     = "CUPS Printing";
+  Provides        = ("CUPS");
+  Requires        = ("Resolver");
+  OrderPreference = "None";
+  Messages =
+  {
+    start = "Starting CUPS";
+    stop  = "Stopping CUPS";
+  };
+}
diff --git a/cups.sh.in b/cups.sh.in
new file mode 100755
index 000000000..c25233020
--- /dev/null
+++ b/cups.sh.in
@@ -0,0 +1,180 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Startup/shutdown script for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+#### OS-Dependent Information
+
+#
+#   Linux chkconfig stuff:
+#
+#   chkconfig: 235 99 00
+#   description: Startup/shutdown script for the Common UNIX \
+#                Printing System (CUPS).
+#
+
+#
+#   NetBSD 1.5+ rcorder script lines.  The format of the following two
+#   lines is very strict -- please don't add additional spaces!
+#
+# PROVIDE: cups
+# REQUIRE: DAEMON
+#
+
+
+#### OS-Dependent Configuration
+
+case "`uname`" in
+	IRIX*)
+		IS_ON=/sbin/chkconfig
+		;;
+
+	NetBSD*)
+        	IS_ON=:
+		;;
+
+	Darwin*)
+		. /etc/rc.common
+
+		if test "${CUPS:=-YES-}" = "-NO-"; then
+			exit 0
+		fi
+
+        	IS_ON=:
+		;;
+
+	Linux*)
+		# Set the timezone, if possible...
+		if test -f /etc/TIMEZONE; then
+                        . /etc/TIMEZONE
+                else
+			if test -f /etc/sysconfig/clock; then
+	                        . /etc/sysconfig/clock
+        	                TZ="$ZONE"
+                	        export TZ
+			fi
+                fi
+
+		IS_ON=/bin/true
+		;;
+
+	*)
+		IS_ON=/bin/true
+		;;
+esac
+
+#### OS-Independent Stuff
+
+#
+# The verbose flag controls the printing of the names of
+# daemons as they are started.  Currently always echos for
+# all but IRIX, which can configure verbose bootup messages.
+#
+
+if test "`uname`" = "Darwin"; then
+	ECHO=ConsoleMessage
+else
+	if $IS_ON verbose; then
+		ECHO=echo
+	else
+		ECHO=:
+	fi
+fi
+
+#
+# See if the CUPS server (cupsd) is running...
+#
+
+case "`uname`" in
+	HP-UX* | AIX* | SINIX*)
+		pid=`ps -e | awk '{if (match($4, ".*/cupsd$") || $4 == "cupsd") print $1}'`
+		;;
+	IRIX* | SunOS*)
+		pid=`ps -e | nawk '{if (match($4, ".*/cupsd$") || $4 == "cupsd") print $1}'`
+		;;
+	UnixWare*)
+		pid=`ps -e | awk '{if (match($6, ".*/cupsd$") || $6 == "cupsd") print $1}'`
+		. /etc/TIMEZONE
+		;;
+	OSF1*)
+		pid=`ps -e | awk '{if (match($5, ".*/cupsd$") || $5 == "cupsd") print $1}'`
+		;;
+	Linux* | *BSD* | Darwin*)
+		pid=`ps ax | awk '{if (match($5, ".*/cupsd$") || $5 == "cupsd") print $1}'`
+		;;
+	*)
+		pid=""
+		;;
+esac
+
+#
+# Start or stop the CUPS server based upon the first argument to the script.
+#
+
+case $1 in
+	start | restart | reload)
+		if $IS_ON cups; then
+			if test "$pid" != ""; then
+				kill -HUP $pid
+			else
+				prefix=@prefix@
+				exec_prefix=@exec_prefix@
+				@sbindir@/cupsd
+			fi
+			$ECHO "cups: scheduler ${1}ed."
+		else
+			$ECHO "cups: scheduler stopped."
+		fi
+		;;
+
+	stop)
+		if test "$pid" != ""; then
+			kill $pid
+			$ECHO "cups: scheduler stopped."
+		fi
+		;;
+
+	status)
+		if test "$pid" != ""; then
+			echo "cups: Scheduler is running."
+		else
+			echo "cups: Scheduler is not running."
+		fi
+		;;
+
+	*)
+		echo "Usage: cups {reload|restart|start|status|stop}"
+		exit 1
+		;;
+esac
+
+#
+# Exit with no errors.
+#
+
+exit 0
+
+
+#
+# End of "$Id$".
+#
diff --git a/cups.spec b/cups.spec
new file mode 100644
index 000000000..2acaa4d73
--- /dev/null
+++ b/cups.spec
@@ -0,0 +1,228 @@
+#
+# "$Id: cups.spec 2010 2002-01-02 17:59:21Z mike $"
+#
+#   RPM "spec" file for the Common UNIX Printing System (CUPS).
+#
+#   Original version by Jason McMullan <jmcc@ontv.com>.
+#
+#   Copyright 1999-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+Summary: Common Unix Printing System
+Name: cups
+Version: 1.1.13
+Release: 0
+Copyright: GPL
+Group: System Environment/Daemons
+Source: ftp://ftp.easysw.com/pub/cups/%{version}/cups-%{version}-source.tar.gz
+Url: http://www.cups.org
+Packager: Michael Sweet <mike@easysw.com>
+Vendor: Easy Software Products
+
+# Use buildroot so as not to disturb the version already installed
+BuildRoot: /var/tmp/%{name}-root
+
+# Dependencies...
+Conflicts: lpr, LPRng
+Provides: libcups.so.2
+Provides: libcupsimage.so.2
+Provides: cups
+
+%package devel
+Summary: Common Unix Printing System - development environment
+Group: Development/Libraries
+Provides: libcups1
+
+%package pstoraster
+Summary: Common Unix Printing System - PostScript RIP
+Group: System Environment/Daemons
+Provides: pstoraster
+
+%description
+The Common UNIX Printing System provides a portable printing layer for 
+UNIX® operating systems. It has been developed by Easy Software Products 
+to promote a standard printing solution for all UNIX vendors and users. 
+CUPS provides the System V and Berkeley command-line interfaces. 
+
+%description devel
+The Common UNIX Printing System provides a portable printing layer for 
+UNIX® operating systems. This is the development package for creating
+additional printer drivers and other CUPS services.
+
+%description pstoraster
+The Common UNIX Printing System provides a portable printing layer for 
+UNIX® operating systems. This is the PostScript RIP package for
+supporting non-PostScript printer drivers.
+
+%prep
+%setup
+
+%build
+CFLAGS="$RPM_OPT_FLAGS" CXXFLAGS="$RPM_OPT_FLAGS" LDFLAGS="$RPM_OPT_FLAGS" ./configure
+
+# If we got this far, all prerequisite libraries must be here.
+make
+
+%install
+# Make sure the RPM_BUILD_ROOT directory exists.
+rm -rf $RPM_BUILD_ROOT
+
+make BUILDROOT=$RPM_BUILD_ROOT install
+
+%post
+ldconfig
+
+if test -x /sbin/chkconfig; then
+	/sbin/chkconfig --add cups
+	/sbin/chkconfig cups on
+fi
+
+# these lines automatically start cupsd after installation; commented out
+# by request...
+#if test -f /sbin/init.d/cups; then
+#	/sbin/init.d/cups start
+#fi
+#if test -f /etc/rc.d/init.d/cups; then
+#	/etc/rc.d/init.d/cups start
+#fi
+#if test -f /etc/init.d/cups; then
+#	/etc/init.d/cups start
+#fi
+
+%preun
+if test -f /sbin/init.d/cups; then
+	/sbin/init.d/cups stop
+fi
+if test -f /etc/rc.d/init.d/cups; then
+	/etc/rc.d/init.d/cups stop
+fi
+if test -f /etc/init.d/cups; then
+	/etc/init.d/cups stop
+fi
+
+if test -x /sbin/chkconfig; then
+	/sbin/chkconfig --del cups
+fi
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(-,root,root)
+%dir /etc/cups
+%config(noreplace) /etc/cups/*.conf
+%dir /etc/cups/certs
+%dir /etc/cups/interfaces
+/etc/cups/mime.types
+/etc/cups/mime.convs
+%dir /etc/cups/ppd
+%dir /etc/pam.d
+/etc/pam.d/*
+
+# RC dirs are a pain under Linux...  Uncomment the appropriate ones if you
+# don't use Red Hat or Mandrake...
+
+/etc/rc.d/init.d/*
+/etc/rc.d/rc0.d/*
+/etc/rc.d/rc3.d/*
+/etc/rc.d/rc5.d/*
+
+#/etc/init.d/*
+#/etc/rc0.d/*
+#/etc/rc3.d/*
+#/etc/rc5.d/*
+
+#/sbin/rc.d/*
+#/sbin/rc.d/rc0.d/*
+#/sbin/rc.d/rc3.d/*
+#/sbin/rc.d/rc5.d/*
+
+/usr/bin/cancel
+/usr/bin/disable
+/usr/bin/enable
+/usr/bin/lp*
+/usr/lib/*.so*
+%dir /usr/lib/cups
+%dir /usr/lib/cups/backend
+/usr/lib/cups/backend/*
+%dir /usr/lib/cups/cgi-bin
+/usr/lib/cups/cgi-bin/*
+%dir /usr/lib/cups/daemon
+/usr/lib/cups/daemon/*
+%dir /usr/lib/cups/filter
+/usr/lib/cups/filter/hpgltops
+/usr/lib/cups/filter/imagetops
+/usr/lib/cups/filter/imagetoraster
+/usr/lib/cups/filter/pdftops
+/usr/lib/cups/filter/pstops
+/usr/lib/cups/filter/rastertoepson
+/usr/lib/cups/filter/rastertohp
+/usr/lib/cups/filter/texttops
+/usr/sbin/*
+%dir /usr/share/cups
+%dir /usr/share/cups/banners
+/usr/share/cups/banners/*
+%dir /usr/share/cups/charsets
+/usr/share/cups/charsets/*
+%dir /usr/share/cups/data
+/usr/share/cups/data/*
+%dir /usr/share/cups/model
+/usr/share/cups/model/*
+%dir /usr/share/cups/templates
+/usr/share/cups/templates/*
+%dir /usr/share/doc/cups
+/usr/share/doc/cups/*
+%dir /usr/share/locale
+/usr/share/locale/*
+%dir /usr/share/man/cat1
+/usr/share/man/cat1/*
+%dir /usr/share/man/cat5
+/usr/share/man/cat5/*
+%dir /usr/share/man/cat8
+/usr/share/man/cat8/*
+%dir /usr/share/man/man1
+/usr/share/man/man1/*
+%dir /usr/share/man/man5
+/usr/share/man/man5/*
+%dir /usr/share/man/man8
+/usr/share/man/man8/*
+
+%attr(0700,lp,root) %dir /var/spool/cups
+%attr(1700,lp,root) %dir /var/spool/cups/tmp
+
+%files devel
+%dir /usr/include/cups
+/usr/include/cups/*
+/usr/lib/*.a
+%dir /usr/share/man/cat3
+/usr/share/man/cat3/*
+%dir /usr/share/man/man3
+/usr/share/man/man1/*
+
+%files pstoraster
+%dir /usr/lib/cups/filter
+/usr/lib/cups/filter/pstoraster
+%dir /usr/share/cups/fonts
+/usr/share/cups/fonts/*
+%dir /usr/share/cups/pstoraster
+/usr/share/cups/pstoraster/*
+
+#
+# End of "$Id: cups.spec 2010 2002-01-02 17:59:21Z mike $".
+#
diff --git a/cups.strings b/cups.strings
new file mode 100644
index 000000000..0d7535458
--- /dev/null
+++ b/cups.strings
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
+<plist version="0.9">
+<dict>
+	<key>Starting CUPS</key>
+	<string>Starting CUPS</string>
+</dict>
+</plist>
+
diff --git a/cups/.cvsignore b/cups/.cvsignore
new file mode 100644
index 000000000..c707b044b
--- /dev/null
+++ b/cups/.cvsignore
@@ -0,0 +1,4 @@
+libcups.a
+libcups.sl.2
+libcups.so.2
+libcups_s.a
diff --git a/cups/Makefile b/cups/Makefile
new file mode 100644
index 000000000..ad3bb9ad6
--- /dev/null
+++ b/cups/Makefile
@@ -0,0 +1,208 @@
+#
+# "$Id$"
+#
+#   Support library Makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Object files...
+#
+
+LIBOBJS	=	dest.o emit.o encode.o http.o ipp.o language.o mark.o md5.o \
+		md5passwd.o options.o page.o ppd.o snprintf.o string.o \
+		tempfile.o usersys.o util.o
+OBJS	=	$(LIBOBJS) testhttp.o testppd.o ppd-debug.o
+
+
+#
+# Header files to install...
+#
+
+HEADERS	=	cups.h http.h ipp.h language.h md5.h ppd.h
+
+
+#
+# Targets in this directory...
+#
+
+TARGETS	=	$(LIBCUPS) libcups.a
+
+
+#
+# Make all targets...
+#
+
+all:	$(TARGETS)
+
+
+#
+# Remove object and target files...
+#
+
+clean:
+	$(RM) $(OBJS) $(TARGETS) `basename $(LIBCUPS) .2`
+
+
+#
+# Install object and target files...
+#
+
+install:	all
+	$(INSTALL_DIR) $(INCLUDEDIR)/cups
+	for file in $(HEADERS); do \
+		$(INSTALL_DATA) $$file $(INCLUDEDIR)/cups; \
+	done
+	$(INSTALL_DIR) $(LIBDIR)
+	$(INSTALL_LIB) $(LIBCUPS) $(LIBDIR)
+	if test $(LIBCUPS) = "libcups.so.2" -o $(LIBCUPS) = "libcups.sl.2"; then \
+		$(INSTALL_LIB) libcups.a $(LIBDIR); \
+		$(RM) $(LIBDIR)/`basename $(LIBCUPS) .2`; \
+		$(LN) $(LIBCUPS) $(LIBDIR)/`basename $(LIBCUPS) .2`; \
+	fi
+	if test $(LIBCUPS) = "libcups.2.dylib"; then \
+		$(INSTALL_LIB) libcups.a $(LIBDIR); \
+		$(RM) $(LIBDIR)/libcups.dylib; \
+		$(LN) $(LIBCUPS) $(LIBDIR)/libcups.dylib; \
+	fi
+	if test $(LIBCUPS) = "libcups_s.a"; then \
+		$(INSTALL_LIB) libcups.a $(LIBDIR); \
+	fi
+
+
+#
+# libcups.so.2, libcups.sl.2
+#
+
+libcups.so.2 libcups.sl.2:	$(LIBOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) $(DSOFLAGS) -o $@ $(LIBOBJS) $(SSLLIBS)
+	$(RM) `basename $@ .2`
+	$(LN) $@ `basename $@ .2`
+
+
+#
+# libcups.2.dylib
+#
+
+libcups.2.dylib:	$(LIBOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) $(DSOFLAGS) -o $@ \
+		-dylib_install_name $(LIBDIR)/libcups.dylib \
+		-dylib_current_version 2.0.4 \
+		-dylib_compatibility_version 2.0.0 \
+		$(LIBOBJS) $(SSLLIBS)
+	$(RM) libcups.dylib
+	$(LN) $@ libcups.dylib
+
+
+#
+# libcups_s.a
+#
+
+libcups_s.a:	$(LIBOBJS) ../Makedefs
+	echo Creating $@...
+	$(RM) libcups_s.exp
+	(echo _ipp_add_attr; echo _ipp_free_attr) >libcups_s.exp
+	$(DSO) $(DSOFLAGS) -Wl,-bexport:libcups_s.exp -o libcups_s.o $(LIBOBJS) $(SSLLIBS) -lm
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ libcups_s.o
+
+
+#
+# libcups.la
+#
+
+libcups.la:    $(LIBOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) $(DSOFLAGS) -o $@ $(LIBOBJS:.o=.lo) -rpath $(LIBDIR) \
+		-version-info 2:4 $(SSLLIBS)
+
+
+#
+# libcups.a
+#
+
+libcups.a:	$(LIBOBJS)
+	echo Archiving $@...
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ $(LIBOBJS)
+	$(RANLIB) $@
+
+
+#
+# cups_C.h - the default POSIX locale that is compiled in.
+#
+
+cups_C.h:	../locale/C/cups_C
+	echo Generating $@...
+	$(RM) cups_C.h
+	$(AWK) '{print "\"" $$0 "\","}' < ../locale/C/cups_C > cups_C.h
+
+dest.o:		cups.h http.h ipp.h language.h string.h
+emit.o:		ppd.h
+encode.o:	cups.h ipp.h string.h
+http.o:		http.h ipp.h md5.h string.h
+ipp.o:		http.h ipp.h string.h language.h
+language.o:	cups_C.h language.h string.h
+mark.o:		ppd.h
+md5.o:		md5.h
+options.o:	cups.h
+page.o:		ppd.h
+ppd.o:		language.h ppd.h
+snprintf.o:	string.h
+string.o:	string.h
+tempfile.o:	cups.h string.h
+usersys.o:	cups.h
+util.o:		cups.h http.h ipp.h
+
+
+#
+# testhttp (dependency on static CUPS library is intentional)
+#
+
+testhttp:	testhttp.o libcups.a
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ testhttp.o libcups.a $(NETLIBS) $(SSLLIBS)
+
+testhttp.o:	http.h
+
+
+#
+# testppd
+#
+
+testppd:	testppd.o ppd-debug.o language.o mark.o page.o
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ testppd.o ppd-debug.o language.o mark.o page.o
+
+testppd.o:	ppd.h
+ppd-debug.o:	ppd.c language.h ppd.h
+	echo Compiling $< with debugging...
+	$(CC) $(OPTIM) $(CFLAGS) -DDEBUG -c -o $@ $<
+
+$(OBJS):	../Makedefs ../config.h
+
+
+#
+# End of "$Id$".
+#
diff --git a/cups/cups.dsp b/cups/cups.dsp
new file mode 100644
index 000000000..8822fdbe0
--- /dev/null
+++ b/cups/cups.dsp
@@ -0,0 +1,188 @@
+# Microsoft Developer Studio Project File - Name="cups" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Static Library" 0x0104

+

+CFG=cups - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "cups.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "cups.mak" CFG="cups - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "cups - Win32 Release" (based on "Win32 (x86) Static Library")

+!MESSAGE "cups - Win32 Debug" (based on "Win32 (x86) Static Library")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "cups - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c

+# ADD CPP /nologo /MT /W3 /GX /O2 /I "..\visualc" /I ".." /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LIB32=link.exe -lib

+# ADD BASE LIB32 /nologo

+# ADD LIB32 /nologo /out:"cups.lib"

+

+!ELSEIF  "$(CFG)" == "cups - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c

+# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I "..\visualc" /I ".." /I "../visualc" /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LIB32=link.exe -lib

+# ADD BASE LIB32 /nologo

+# ADD LIB32 /nologo /out:"cupsd.lib"

+

+!ENDIF 

+

+# Begin Target

+

+# Name "cups - Win32 Release"

+# Name "cups - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=.\dest.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\emit.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\http.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\ipp.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\language.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\mark.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\md5.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\md5passwd.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\options.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\page.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\ppd.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\snprintf.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\string.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\usersys.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\util.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# Begin Source File

+

+SOURCE=.\cups.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\cups_C.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\debug.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\http.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\ipp.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\language.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\md5.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\ppd.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\string.h

+# End Source File

+# End Group

+# End Target

+# End Project

diff --git a/cups/cups.h b/cups/cups.h
new file mode 100644
index 000000000..3f18ad254
--- /dev/null
+++ b/cups/cups.h
@@ -0,0 +1,175 @@
+/*
+ * "$Id$"
+ *
+ *   API definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _CUPS_CUPS_H_
+#  define _CUPS_CUPS_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include "ipp.h"
+#  include "ppd.h"
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+
+/*
+ * Constants...
+ */
+
+#  define CUPS_VERSION		1.0113
+#  define CUPS_DATE_ANY		-1
+
+
+/*
+ * Types and structures...
+ */
+
+typedef unsigned cups_ptype_t;		/**** Printer Type/Capability Bits ****/
+enum					/* Not a typedef'd enum so we can OR */
+{
+  CUPS_PRINTER_LOCAL = 0x0000,		/* Local printer or class */
+  CUPS_PRINTER_CLASS = 0x0001,		/* Printer class */
+  CUPS_PRINTER_REMOTE = 0x0002,		/* Remote printer or class */
+  CUPS_PRINTER_BW = 0x0004,		/* Can do B&W printing */
+  CUPS_PRINTER_COLOR = 0x0008,		/* Can do color printing */
+  CUPS_PRINTER_DUPLEX = 0x0010,		/* Can do duplexing */
+  CUPS_PRINTER_STAPLE = 0x0020,		/* Can staple output */
+  CUPS_PRINTER_COPIES = 0x0040,		/* Can do copies */
+  CUPS_PRINTER_COLLATE = 0x0080,	/* Can collage copies */
+  CUPS_PRINTER_PUNCH = 0x0100,		/* Can punch output */
+  CUPS_PRINTER_COVER = 0x0200,		/* Can cover output */
+  CUPS_PRINTER_BIND = 0x0400,		/* Can bind output */
+  CUPS_PRINTER_SORT = 0x0800,		/* Can sort output */
+  CUPS_PRINTER_SMALL = 0x1000,		/* Can do Letter/Legal/A4 */
+  CUPS_PRINTER_MEDIUM = 0x2000,		/* Can do Tabloid/B/C/A3/A2 */
+  CUPS_PRINTER_LARGE = 0x4000,		/* Can do D/E/A1/A0 */
+  CUPS_PRINTER_VARIABLE = 0x8000,	/* Can do variable sizes */
+  CUPS_PRINTER_IMPLICIT = 0x10000,	/* Implicit class */
+  CUPS_PRINTER_DEFAULT = 0x20000,	/* Default printer on network */
+  CUPS_PRINTER_OPTIONS = 0xfffc		/* ~(CLASS | REMOTE | IMPLICIT) */
+};
+
+typedef struct				/**** Printer Options ****/
+{
+  char		*name;			/* Name of option */
+  char		*value;			/* Value of option */
+} cups_option_t;
+
+typedef struct				/**** Destination ****/
+{
+  char		*name,			/* Printer or class name */
+		*instance;		/* Local instance name or NULL */
+  int		is_default;		/* Is this printer the default? */
+  int		num_options;		/* Number of options */
+  cups_option_t	*options;		/* Options */
+} cups_dest_t;
+
+typedef struct				/**** Job ****/
+{
+  int		id;			/* The job ID */
+  char		*dest,			/* Printer or class name */
+		*title,			/* Title/job name */
+		*user,			/* User the submitted the job */
+		*format;		/* Document format */
+  ipp_jstate_t	state;			/* Job state */
+  int		size,			/* Size in kilobytes */
+		priority;		/* Priority (1-100) */
+  time_t	completed_time,		/* Time the job was completed */
+		creation_time,		/* Time the job was created */
+		processing_time;	/* Time the job was processed */
+} cups_job_t;
+
+
+/*
+ * Functions...
+ */
+
+extern int		cupsCancelJob(const char *printer, int job);
+#define			cupsDoRequest(http,request,resource) cupsDoFileRequest((http),(request),(resource),NULL)
+extern ipp_t		*cupsDoFileRequest(http_t *http, ipp_t *request,
+			                   const char *resource, const char *filename);
+extern http_encryption_t cupsEncryption(void);
+extern void		cupsFreeJobs(int num_jobs, cups_job_t *jobs);
+extern int		cupsGetClasses(char ***classes);
+extern const char	*cupsGetDefault(void);
+extern int		cupsGetJobs(cups_job_t **jobs, const char *dest,
+			            int myjobs, int completed);
+extern const char	*cupsGetPPD(const char *printer);
+extern int		cupsGetPrinters(char ***printers);
+extern ipp_status_t	cupsLastError(void);
+extern int		cupsPrintFile(const char *printer, const char *filename,
+			              const char *title, int num_options,
+				      cups_option_t *options);
+extern int		cupsPrintFiles(const char *printer, int num_files,
+			               const char **files, const char *title,
+				       int num_options, cups_option_t *options);
+extern char		*cupsTempFile(char *filename, int len);
+extern int		cupsTempFd(char *filename, int len);
+
+extern int		cupsAddDest(const char *name, const char *instance,
+			            int num_dests, cups_dest_t **dests);
+extern void		cupsFreeDests(int num_dests, cups_dest_t *dests);
+extern cups_dest_t	*cupsGetDest(const char *name, const char *instance,
+			             int num_dests, cups_dest_t *dests);
+extern int		cupsGetDests(cups_dest_t **dests);
+extern void		cupsSetDests(int num_dests, cups_dest_t *dests);
+
+extern int		cupsAddOption(const char *name, const char *value,
+			              int num_options, cups_option_t **options);
+extern void		cupsEncodeOptions(ipp_t *ipp, int num_options,
+					  cups_option_t *options);
+extern void		cupsFreeOptions(int num_options, cups_option_t *options);
+extern const char	*cupsGetOption(const char *name, int num_options,
+			               cups_option_t *options);
+extern int		cupsParseOptions(const char *arg, int num_options,
+			                 cups_option_t **options);
+extern int		cupsMarkOptions(ppd_file_t *ppd, int num_options,
+			                cups_option_t *options);
+
+extern const char	*cupsGetPassword(const char *prompt);
+extern const char	*cupsServer(void);
+extern void		cupsSetEncryption(http_encryption_t e);
+extern void		cupsSetPasswordCB(const char *(*cb)(const char *));
+extern void		cupsSetServer(const char *server);
+extern void		cupsSetUser(const char *user);
+extern const char	*cupsUser(void);
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+
+#endif /* !_CUPS_CUPS_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/cups_C.h b/cups/cups_C.h
new file mode 100644
index 000000000..e3586c989
--- /dev/null
+++ b/cups/cups_C.h
@@ -0,0 +1,133 @@
+"iso-8859-1",
+"OK",
+"Cancel",
+"Help",
+"Quit",
+"Close",
+"Yes",
+"No",
+"On",
+"Off",
+"Save",
+"Discard",
+"Default",
+"Options",
+"More Info",
+"Black",
+"Color",
+"Cyan",
+"Magenta",
+"Yellow",
+"Copyright 1993-2002 by Easy Software Products, All Rights Reserved.",
+"General",
+"Printer",
+"Image",
+"HP-GL/2",
+"Extra",
+"Document",
+"Other",
+"Print Pages: ",
+"Entire Document",
+"Page Range:",
+"Reverse Order: ",
+"Page Format: ",
+" 1-Up",
+" 2-Up",
+" 4-Up",
+"Image Scaling: ",
+"Use Natural Image Size",
+"Zoom by Percent",
+"Zoom by PPI",
+"Mirror Image: ",
+"Color Saturation: ",
+"Color Hue: ",
+"Fit to Page: ",
+"Shading: ",
+"Pen Width: ",
+"Gamma Correction: ",
+"Brightness: ",
+"Add",
+"Delete",
+"Modify",
+"Printer URI",
+"Printer Name",
+"Printer Location",
+"Printer Info",
+"Printer Make and Model",
+"Device URI",
+"Formatting Page",
+"Printing Page",
+"Initializing Printer",
+"Printer State",
+"Accepting Jobs",
+"Not Accepting Jobs",
+"Print Jobs",
+"Class",
+"Local",
+"Remote",
+"Duplexing",
+"Stapling",
+"Fast Copies",
+"Collated Copies",
+"Hole Punching",
+"Covering",
+"Binding",
+"Sorting",
+"Small (up to 9.5x14in)",
+"Medium (9.5x14in to 13x19in)",
+"Large (13x19in and larger)",
+"Custom Size",
+"Idle",
+"Processing",
+"Stopped",
+"All",
+"Odd",
+"Even",
+"Darker                     Lighter",
+"Media Size",
+"Media Type",
+"Media Source",
+"Orientation: ",
+"Portrait",
+"Landscape",
+"Job State",
+"Job Name",
+"User Name",
+"Priority",
+"Copies",
+"File Size",
+"Pending",
+"Output Mode",
+"Resolution",
+"Text",
+"Pretty Print",
+"Margins",
+"Left",
+"Right",
+"Bottom",
+"Top",
+"Filename(s)",
+"Print",
+"400 Your browser sent a request that this server could not understand.",
+"This server could not verify that you are authorized to access the resource.",
+"You must pay to access this server.",
+"You don't have permission to access the resource on this server.",
+"The requested resource was not found on this server.",
+"The requested method is not allowed with the resource.",
+"An appropriate representation for the resource was not found on this server.",
+"You don't have permission to use this server as a proxy host.",
+"The request has taken too long to complete and has been aborted.",
+"The requested resource has more than one value.",
+"The requested resource is gone and has not been replaced.",
+"The requested method requires a valid Content-Length.",
+"The precondition on the request evaluated to false.",
+"The request is too large for this server to process.",
+"The request URI is too large for this server to process.",
+"The request format is not understood by this server.",
+"426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.",
+"500 The server has detected an unrecoverable error and cannot process your request.",
+"The requested method is not implemented by this server.",
+"The proxy server received an invalid response from an upstream server.",
+"The requested resource is currently unavailable on this server.",
+"The proxy server has taken too long to respond to this server.",
+"This server does not support the HTTP version required by your browser.",
diff --git a/cups/debug.h b/cups/debug.h
new file mode 100644
index 000000000..1291c1ba9
--- /dev/null
+++ b/cups/debug.h
@@ -0,0 +1,57 @@
+/*
+ * "$Id$"
+ *
+ *   Debugging macros for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _CUPS_DEBUG_H_
+#  define _CUPS_DEBUG_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <stdio.h>
+
+/*
+ * The debug macros are used if you compile with DEBUG defined.
+ *
+ * Usage:
+ *
+ *   DEBUG_puts("string")
+ *   DEBUG_printf(("format string", arg, arg, ...));
+ *
+ * Note the extra parenthesis around the DEBUG_printf macro...
+ */
+
+#  ifdef DEBUG
+#    define DEBUG_puts(x) puts(x)
+#    define DEBUG_printf(x) printf x
+#  else
+#    define DEBUG_puts(x)
+#    define DEBUG_printf(x)
+#  endif /* DEBUG */
+
+#endif /* !_CUPS_DEBUG_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/dest.c b/cups/dest.c
new file mode 100644
index 000000000..5f47d5a3b
--- /dev/null
+++ b/cups/dest.c
@@ -0,0 +1,789 @@
+/*
+ * "$Id$"
+ *
+ *   User-defined destination (and option) support for the Common UNIX
+ *   Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsAddDest()     - Add a destination to the list of destinations.
+ *   cupsFreeDests()   - Free the memory used by the list of destinations.
+ *   cupsGetDest()     - Get the named destination from the list.
+ *   cupsGetDests()    - Get the list of destinations.
+ *   cupsSetDests()    - Set the list of destinations.
+ *   cups_get_dests()  - Get destinations from a file.
+ *   cups_get_sdests() - Get destinations from a server.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include "language.h"
+#include "string.h"
+#include <stdlib.h>
+#include <ctype.h>
+
+
+/*
+ * Local functions...
+ */
+
+static int	cups_get_dests(const char *filename, int num_dests,
+		               cups_dest_t **dests);
+static int	cups_get_sdests(ipp_op_t op, int num_dests,
+		                cups_dest_t **dests);
+
+
+/*
+ * 'cupsAddDest()' - Add a destination to the list of destinations.
+ */
+
+int					/* O - New number of destinations */
+cupsAddDest(const char  *name,		/* I - Name of destination */
+            const char	*instance,	/* I - Instance of destination */
+            int         num_dests,	/* I - Number of destinations */
+            cups_dest_t **dests)	/* IO - Destinations */
+{
+  int		i;			/* Looping var */
+  cups_dest_t	*dest;			/* Destination pointer */
+
+
+  if (name == NULL || dests == NULL)
+    return (0);
+
+  if ((dest = cupsGetDest(name, instance, num_dests, *dests)) != NULL)
+    return (num_dests);
+
+ /*
+  * Add new destination...
+  */
+
+  if (num_dests == 0)
+    dest = malloc(sizeof(cups_dest_t));
+  else
+    dest = realloc(*dests, sizeof(cups_dest_t) * (num_dests + 1));
+
+  if (dest == NULL)
+    return (num_dests);
+
+  *dests = dest;
+
+  for (i = num_dests; i > 0; i --, dest ++)
+    if (strcasecmp(name, dest->name) < 0)
+      break;
+    else if (strcasecmp(name, dest->name) == 0 &&
+             instance != NULL && dest->instance != NULL &&
+             strcasecmp(instance, dest->instance) < 0)
+      break;
+
+  if (i > 0)
+    memmove(dest + 1, dest, i * sizeof(cups_dest_t));
+
+  dest->name        = strdup(name);
+  dest->is_default  = 0;
+  dest->num_options = 0;
+  dest->options     = (cups_option_t *)0;
+
+  if (instance == NULL)
+    dest->instance = NULL;
+  else
+    dest->instance = strdup(instance);
+
+  return (num_dests + 1);
+}
+
+
+/*
+ * 'cupsFreeDests()' - Free the memory used by the list of destinations.
+ */
+
+void
+cupsFreeDests(int         num_dests,	/* I - Number of destinations */
+              cups_dest_t *dests)	/* I - Destinations */
+{
+  int		i;			/* Looping var */
+  cups_dest_t	*dest;			/* Current destination */
+
+
+  if (num_dests == 0 || dests == NULL)
+    return;
+
+  for (i = num_dests, dest = dests; i > 0; i --, dest ++)
+  {
+    free(dest->name);
+
+    if (dest->instance)
+      free(dest->instance);
+
+    cupsFreeOptions(dest->num_options, dest->options);
+  }
+
+  free(dests);
+}
+
+
+/*
+ * 'cupsGetDest()' - Get the named destination from the list.
+ */
+
+cups_dest_t *				/* O - Destination pointer or NULL */
+cupsGetDest(const char  *name,		/* I - Name of destination */
+            const char	*instance,	/* I - Instance of destination */
+            int         num_dests,	/* I - Number of destinations */
+            cups_dest_t *dests)		/* I - Destinations */
+{
+  int	comp;				/* Result of comparison */
+
+
+  if (num_dests == 0 || dests == NULL)
+    return (NULL);
+
+  if (name == NULL)
+  {
+   /*
+    * NULL name for default printer.
+    */
+
+    while (num_dests > 0)
+    {
+      if (dests->is_default)
+        return (dests);
+
+      num_dests --;
+      dests ++;
+    }
+  }
+  else
+  {
+   /*
+    * Lookup name and optionally the instance...
+    */
+
+    while (num_dests > 0)
+    {
+      if ((comp = strcasecmp(name, dests->name)) < 0)
+	return (NULL);
+      else if (comp == 0)
+      {
+	if ((instance == NULL && dests->instance == NULL) ||
+            (instance != NULL && dests->instance != NULL &&
+	     strcasecmp(instance, dests->instance) == 0))
+	  return (dests);
+      }
+
+      num_dests --;
+      dests ++;
+    }
+  }
+
+  return (NULL);
+}
+
+
+/*
+ * 'cupsGetDests()' - Get the list of destinations.
+ */
+
+int					/* O - Number of destinations */
+cupsGetDests(cups_dest_t **dests)	/* O - Destinations */
+{
+  int		i;			/* Looping var */
+  int		num_dests;		/* Number of destinations */
+  cups_dest_t	*dest;			/* Destination pointer */
+  const char	*home;			/* HOME environment variable */
+  char		filename[1024];		/* Local ~/.lpoptions file */
+  const char	*defprinter;		/* Default printer */
+  char		name[1024],		/* Copy of printer name */
+		*instance;		/* Pointer to instance name */
+  int		num_reals;		/* Number of real queues */
+  cups_dest_t	*reals;			/* Real queues */
+
+
+ /*
+  * Initialize destination array...
+  */
+
+  num_dests = 0;
+  *dests    = (cups_dest_t *)0;
+
+ /*
+  * Grab the printers and classes...
+  */
+
+  num_dests = cups_get_sdests(CUPS_GET_PRINTERS, num_dests, dests);
+  num_dests = cups_get_sdests(CUPS_GET_CLASSES, num_dests, dests);
+
+ /*
+  * Make a copy of the "real" queues for a later sanity check...
+  */
+
+  if (num_dests > 0)
+  {
+    num_reals = num_dests;
+    reals     = calloc(num_reals, sizeof(cups_dest_t));
+
+    if (reals)
+      memcpy(reals, *dests, num_reals * sizeof(cups_dest_t));
+    else
+      num_reals = 0;
+  }
+  else
+  {
+    num_reals = 0;
+    reals     = NULL;
+  }
+
+ /*
+  * Grab the default destination...
+  */
+
+  if ((defprinter = cupsGetDefault()) != NULL)
+  {
+   /*
+    * Grab printer and instance name...
+    */
+
+    strncpy(name, defprinter, sizeof(name) - 1);
+    name[sizeof(name) - 1] = '\0';
+
+    if ((instance = strchr(name, '/')) != NULL)
+      *instance++ = '\0';
+
+   /*
+    * Lookup the printer and instance and make it the default...
+    */
+
+    if ((dest = cupsGetDest(name, instance, num_dests, *dests)) != NULL)
+      dest->is_default = 1;
+  }
+  else
+  {
+   /*
+    * This initialization of "instance" is unnecessary, but avoids a
+    * compiler warning...
+    */
+
+    instance = NULL;
+  }
+
+ /*
+  * Load the /etc/cups/lpoptions and ~/.lpoptions files...
+  */
+
+  if ((home = getenv("CUPS_SERVERROOT")) != NULL)
+  {
+    snprintf(filename, sizeof(filename), "%s/lpoptions", home);
+    num_dests = cups_get_dests(filename, num_dests, dests);
+  }
+  else
+    num_dests = cups_get_dests(CUPS_SERVERROOT "/lpoptions", num_dests, dests);
+
+  if ((home = getenv("HOME")) != NULL)
+  {
+    snprintf(filename, sizeof(filename), "%s/.lpoptions", home);
+    num_dests = cups_get_dests(filename, num_dests, dests);
+  }
+
+ /*
+  * Validate the current default destination - this prevents old
+  * Default lines in /etc/cups/lpoptions and ~/.lpoptions from
+  * pointing to a non-existent printer or class...
+  */
+
+  if (num_reals)
+  {
+   /*
+    * See if we have a default printer...
+    */
+
+    if ((dest = cupsGetDest(NULL, NULL, num_dests, *dests)) != NULL)
+    {
+     /*
+      * Have a default; see if it is real...
+      */
+
+      dest = cupsGetDest(dest->name, NULL, num_reals, reals);
+    }
+
+   /*
+    * If dest is NULL, then no default (that exists) is set, so we
+    * need to set a default if one exists...
+    */
+
+    if (dest == NULL && defprinter != NULL)
+    {
+      for (i = 0; i < num_dests; i ++)
+        (*dests)[i].is_default = 0;
+
+      if ((dest = cupsGetDest(name, instance, num_dests, *dests)) != NULL)
+	dest->is_default = 1;
+    }
+
+   /*
+    * Free memory...
+    */
+
+    free(reals);
+  }
+
+ /*
+  * Return the number of destinations...
+  */
+
+  return (num_dests);
+}
+
+
+/*
+ * 'cupsSetDests()' - Set the list of destinations.
+ */
+
+void
+cupsSetDests(int         num_dests,	/* I - Number of destinations */
+             cups_dest_t *dests)	/* I - Destinations */
+{
+  int		i, j;			/* Looping vars */
+  int		wrote;			/* Wrote definition? */
+  cups_dest_t	*dest;			/* Current destination */
+  cups_option_t	*option;		/* Current option */
+  FILE		*fp;			/* File pointer */
+  const char	*home;			/* HOME environment variable */
+  char		filename[1024];		/* lpoptions file */
+  int		num_temps;		/* Number of temporary destinations */
+  cups_dest_t	*temps,			/* Temporary destinations */
+		*temp;			/* Current temporary dest */
+  const char	*val;			/* Value of temporary option */
+
+
+ /*
+  * Get the server destinations...
+  */
+
+  num_temps = cups_get_sdests(CUPS_GET_PRINTERS, 0, &temps);
+  num_temps = cups_get_sdests(CUPS_GET_CLASSES, num_temps, &temps);
+
+ /*
+  * Figure out which file to write to...
+  */
+
+  if ((home = getenv("CUPS_SERVERROOT")) != NULL)
+    snprintf(filename, sizeof(filename), "%s/lpoptions", home);
+  else
+    strcpy(filename, CUPS_SERVERROOT "/lpoptions");
+
+#ifndef WIN32
+  if (getuid())
+  {
+   /*
+    * Merge in server defaults...
+    */
+
+    num_temps = cups_get_dests(filename, num_temps, &temps);
+
+   /*
+    * Point to user defaults...
+    */
+
+    if ((home = getenv("HOME")) != NULL)
+      snprintf(filename, sizeof(filename), "%s/.lpoptions", home);
+  }
+#endif /* !WIN32 */
+
+ /*
+  * Try to open the file...
+  */
+
+  if ((fp = fopen(filename, "w")) == NULL)
+  {
+    cupsFreeDests(num_temps, temps);
+    return;
+  }
+
+ /*
+  * Write each printer; each line looks like:
+  *
+  *    Dest name[/instance] options
+  *    Default name[/instance] options
+  */
+
+  for (i = num_dests, dest = dests; i > 0; i --, dest ++)
+    if (dest->instance != NULL || dest->num_options != 0 || dest->is_default)
+    {
+      if (dest->is_default)
+      {
+	fprintf(fp, "Default %s", dest->name);
+	if (dest->instance)
+	  fprintf(fp, "/%s", dest->instance);
+
+        wrote = 1;
+      }
+      else
+        wrote = 0;
+
+      if ((temp = cupsGetDest(dest->name, dest->instance, num_temps, temps)) == NULL)
+        temp = cupsGetDest(dest->name, NULL, num_temps, temps);
+
+      for (j = dest->num_options, option = dest->options; j > 0; j --, option ++)
+      {
+       /*
+	* See if the server/global options match these; if so, don't
+	* write 'em.
+	*/
+
+        if (temp && (val = cupsGetOption(option->name, temp->num_options,
+	                                 temp->options)) != NULL)
+	{
+	  if (strcasecmp(val, option->value) == 0)
+	    continue;
+	}
+
+       /*
+        * Options don't match, write to the file...
+	*/
+
+        if (!wrote)
+	{
+	  fprintf(fp, "Dest %s", dest->name);
+	  if (dest->instance)
+	    fprintf(fp, "/%s", dest->instance);
+          wrote = 1;
+	}
+        
+        if (option->value[0])
+	{
+	  if (strchr(option->value, ' ') != NULL)
+	    fprintf(fp, " %s=\"%s\"", option->name, option->value);
+          else
+	    fprintf(fp, " %s=%s", option->name, option->value);
+	}
+	else
+	  fprintf(fp, " %s", option->name);
+      }
+
+      if (wrote)
+        fputs("\n", fp);
+    }
+
+ /*
+  * Free the temporary destinations...
+  */
+
+  cupsFreeDests(num_temps, temps);
+
+ /*
+  * Close the file and return...
+  */
+
+  fclose(fp);      
+}
+
+
+/*
+ * 'cups_get_dests()' - Get destinations from a file.
+ */
+
+static int				/* O - Number of destinations */
+cups_get_dests(const char  *filename,	/* I - File to read from */
+               int         num_dests,	/* I - Number of destinations */
+               cups_dest_t **dests)	/* IO - Destinations */
+{
+  int		i;			/* Looping var */
+  cups_dest_t	*dest;			/* Current destination */
+  FILE		*fp;			/* File pointer */
+  char		line[8192],		/* Line from file */
+		*lineptr,		/* Pointer into line */
+		*name,			/* Name of destination/option */
+		*instance;		/* Instance of destination */
+  const char	*printer;		/* PRINTER or LPDEST */
+
+
+ /*
+  * Check environment variables...
+  */
+
+  if ((printer = getenv("LPDEST")) == NULL)
+    if ((printer = getenv("PRINTER")) != NULL)
+      if (strcmp(printer, "lp") == 0)
+        printer = NULL;
+
+ /*
+  * Try to open the file...
+  */
+
+  if ((fp = fopen(filename, "r")) == NULL)
+    return (num_dests);
+
+ /*
+  * Read each printer; each line looks like:
+  *
+  *    Dest name[/instance] options
+  *    Default name[/instance] options
+  */
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+   /*
+    * See what type of line it is...
+    */
+
+    if (strncasecmp(line, "dest", 4) == 0 && isspace(line[4]))
+      lineptr = line + 4;
+    else if (strncasecmp(line, "default", 7) == 0 && isspace(line[7]))
+      lineptr = line + 7;
+    else
+      continue;
+
+   /*
+    * Skip leading whitespace...
+    */
+
+    while (isspace(*lineptr))
+      lineptr ++;
+
+    if (!*lineptr)
+      continue;
+
+    name = lineptr;
+
+   /*
+    * Search for an instance...
+    */
+
+    while (!isspace(*lineptr) && *lineptr && *lineptr != '/')
+      lineptr ++;
+
+    if (!*lineptr)
+      continue;
+
+    if (*lineptr == '/')
+    {
+     /*
+      * Found an instance...
+      */
+
+      *lineptr++ = '\0';
+      instance = lineptr;
+
+     /*
+      * Search for an instance...
+      */
+
+      while (!isspace(*lineptr) && *lineptr)
+	lineptr ++;
+    }
+    else
+      instance = NULL;
+
+    *lineptr++ = '\0';
+
+   /*
+    * Add the destination...
+    */
+
+    num_dests = cupsAddDest(name, instance, num_dests, dests);
+
+    if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL)
+    {
+     /*
+      * Out of memory!
+      */
+
+      fclose(fp);
+      return (num_dests);
+    }
+
+   /*
+    * Add options until we hit the end of the line...
+    */
+
+    dest->num_options = cupsParseOptions(lineptr, dest->num_options,
+                                         &(dest->options));
+
+   /*
+    * Set this as default if needed...
+    */
+
+    if (strncasecmp(line, "default", 7) == 0 && printer == NULL)
+    {
+      for (i = 0; i < num_dests; i ++)
+        (*dests)[i].is_default = 0;
+
+      dest->is_default = 1;
+    }
+  }
+
+ /*
+  * Close the file and return...
+  */
+
+  fclose(fp);      
+
+  return (num_dests);
+}
+
+
+/*
+ * 'cups_get_sdests()' - Get destinations from a server.
+ */
+
+static int				/* O - Number of destinations */
+cups_get_sdests(ipp_op_t    op,		/* I - get-printers or get-classes */
+                int         num_dests,	/* I - Number of destinations */
+                cups_dest_t **dests)	/* IO - Destinations */
+{
+  cups_dest_t	*dest;			/* Current destination */
+  http_t	*http;			/* HTTP connection */
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  ipp_attribute_t *attr;		/* Current attribute */
+  cups_lang_t	*language;		/* Default language */
+  const char	*name;			/* printer-name attribute */
+  char		job_sheets[1024];	/* job-sheets option */
+  static const char	*pattrs[] =	/* Attributes we're interested in */
+		{
+		  "printer-name",
+		  "job-sheets-default"
+		};
+
+
+ /*
+  * Connect to the CUPS server...
+  */
+
+  if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+    return (num_dests);
+
+ /*
+  * Build a CUPS_GET_PRINTERS or CUPS_GET_CLASSES request, which require
+  * the following attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = op;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
+		NULL, pattrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a printer...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      name = NULL;
+
+      strcpy(job_sheets, "");
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  name = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "job-sheets-default") == 0 &&
+	    (attr->value_tag == IPP_TAG_KEYWORD ||
+	     attr->value_tag == IPP_TAG_NAME))
+        {
+	  if (attr->num_values == 2)
+	    snprintf(job_sheets, sizeof(job_sheets), "%s,%s",
+	             attr->values[0].string.text, attr->values[1].string.text);
+	  else
+	    strcpy(job_sheets, attr->values[0].string.text);
+        }
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (!name)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+      num_dests = cupsAddDest(name, NULL, num_dests, dests);
+
+      if ((dest = cupsGetDest(name, NULL, num_dests, *dests)) != NULL)
+        if (job_sheets[0])
+          dest->num_options = cupsAddOption("job-sheets", job_sheets, 0,
+	                                    &(dest->options));
+
+      if (attr == NULL)
+	break;
+    }
+
+    ippDelete(response);
+  }
+
+ /*
+  * Close the server connection...
+  */
+
+  httpClose(http);
+
+ /*
+  * Return the count...
+  */
+
+  return (num_dests);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/emit.c b/cups/emit.c
new file mode 100644
index 000000000..add34f140
--- /dev/null
+++ b/cups/emit.c
@@ -0,0 +1,425 @@
+/*
+ * "$Id$"
+ *
+ *   PPD code emission routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   PostScript is a trademark of Adobe Systems, Inc.
+ *
+ * Contents:
+ *
+ *   ppdCollect() - Collect all marked options that reside in the specified
+ *   ppdEmit()    - Emit code for marked options to a file.
+ *   ppdEmitFd()  - Emit code for marked options to a file.
+ *   ppdEmitJCL() - Emit code for JCL options to a file.
+ *   ppd_sort()   - Sort options by ordering numbers...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ppd.h"
+#include <stdlib.h>
+#include "string.h"
+
+#if defined(WIN32) || defined(__EMX__)
+#  include <io.h>
+#else
+#  include <unistd.h>
+#endif /* WIN32 || __EMX__ */
+
+
+/*
+ * Local functions...
+ */
+
+static int	ppd_sort(ppd_choice_t **c1, ppd_choice_t **c2);
+
+
+/*
+ * 'ppdCollect()' - Collect all marked options that reside in the specified
+ *                  section.
+ */
+
+int					/* O - Number of options marked */
+ppdCollect(ppd_file_t    *ppd,		/* I - PPD file data */
+           ppd_section_t section,	/* I - Section to collect */
+           ppd_choice_t  ***choices)	/* O - Pointers to choices */
+{
+  int		i, j, k, m;		/* Looping vars */
+  ppd_group_t	*g,			/* Current group */
+		*sg;			/* Current sub-group */
+  ppd_option_t	*o;			/* Current option */
+  ppd_choice_t	*c;			/* Current choice */
+  int		count;			/* Number of choices collected */
+  ppd_choice_t	**collect;		/* Collected choices */
+
+
+  if (ppd == NULL)
+    return (0);
+
+ /*
+  * Allocate memory for up to 1000 selected choices...
+  */
+
+  count   = 0;
+  collect = calloc(sizeof(ppd_choice_t *), 1000);
+
+ /*
+  * Loop through all options and add choices as needed...
+  */
+
+  for (i = ppd->num_groups, g = ppd->groups; i > 0; i --, g ++)
+  {
+    for (j = g->num_options, o = g->options; j > 0; j --, o ++)
+      if (o->section == section)
+	for (k = o->num_choices, c = o->choices; k > 0; k --, c ++)
+	  if (c->marked && count < 1000)
+	  {
+            collect[count] = c;
+	    count ++;
+	  }
+
+    for (j = g->num_subgroups, sg = g->subgroups; j > 0; j --, sg ++)
+      for (k = sg->num_options, o = sg->options; k > 0; k --, o ++)
+	if (o->section == section)
+	  for (m = o->num_choices, c = o->choices; m > 0; m --, c ++)
+	    if (c->marked && count < 1000)
+	    {
+              collect[count] = c;
+	      count ++;
+	    }
+  }
+
+ /*
+  * If we have more than 1 marked choice, sort them...
+  */
+
+  if (count > 1)
+    qsort(collect, count, sizeof(ppd_choice_t *),
+          (int (*)(const void *, const void *))ppd_sort);
+
+ /*
+  * Return the array and number of choices; if 0, free the array since
+  * it isn't needed.
+  */
+
+  if (count > 0)
+  {
+    *choices = collect;
+    return (count);
+  }
+  else
+  {
+    *choices = NULL;
+    free(collect);
+    return (0);
+  }
+}
+
+
+/*
+ * 'ppdEmit()' - Emit code for marked options to a file.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+ppdEmit(ppd_file_t    *ppd,		/* I - PPD file record */
+        FILE          *fp,		/* I - File to write to */
+        ppd_section_t section)		/* I - Section to write */
+{
+  int		i,			/* Looping var */
+		count;			/* Number of choices */
+  ppd_choice_t	**choices;		/* Choices */
+  ppd_size_t	*size;			/* Custom page size */
+
+
+  if ((count = ppdCollect(ppd, section, &choices)) == 0)
+    return (0);
+
+  for (i = 0; i < count; i ++)
+    if (section != PPD_ORDER_EXIT && section != PPD_ORDER_JCL)
+    {
+     /*
+      * Send wrapper commands to prevent printer errors for unsupported
+      * options...
+      */
+
+      if (fputs("[{\n", fp) < 0)
+      {
+        free(choices);
+        return (-1);
+      }
+
+     /*
+      * Send DSC comments with option...
+      */
+
+      if (fprintf(fp, "%%%%BeginFeature: %s %s\n",
+                  ((ppd_option_t *)choices[i]->option)->keyword,
+		  choices[i]->choice) < 0)
+      {
+        free(choices);
+        return (-1);
+      }
+
+      if (strcasecmp(((ppd_option_t *)choices[i]->option)->keyword, "PageSize") == 0 &&
+          strcasecmp(choices[i]->choice, "Custom") == 0)
+      {
+       /*
+        * Variable size; write out standard size options (this should
+	* eventually be changed to use the parameter positions defined
+	* in the PPD file...)
+	*/
+
+        size = ppdPageSize(ppd, "Custom");
+        fprintf(fp, "%.0f %.0f 0 0 0\n", size->width, size->length);
+
+	if (choices[i]->code == NULL)
+	{
+	 /*
+	  * This can happen with certain buggy PPD files that don't include
+	  * a CustomPageSize command sequence...  We just use a generic
+	  * Level 2 command sequence...
+	  */
+
+	  fputs("pop pop pop\n", fp);
+	  fputs("<</PageSize[5 -2 roll]/ImagingBBox null>>setpagedevice\n", fp);
+	}
+      }
+
+      if (choices[i]->code != NULL && choices[i]->code[0] != '\0')
+      {
+        if (fputs(choices[i]->code, fp) < 0)
+        {
+          free(choices);
+          return (-1);
+        }
+
+        if (choices[i]->code[strlen(choices[i]->code) - 1] != '\n')
+          putc('\n', fp);
+      }
+
+      if (fputs("%%EndFeature\n", fp) < 0)
+      {
+        free(choices);
+        return (-1);
+      }
+
+      if (fputs("} stopped cleartomark\n", fp) < 0)
+      {
+        free(choices);
+        return (-1);
+      }
+    }
+    else if (fputs(choices[i]->code, fp) < 0)
+    {
+      free(choices);
+      return (-1);
+    }
+
+  free(choices);
+  return (0);
+}
+
+
+/*
+ * 'ppdEmitFd()' - Emit code for marked options to a file.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+ppdEmitFd(ppd_file_t    *ppd,		/* I - PPD file record */
+          int           fd,		/* I - File to write to */
+          ppd_section_t section)	/* I - Section to write */
+{
+  int		i,			/* Looping var */
+		count;			/* Number of choices */
+  ppd_choice_t	**choices;		/* Choices */
+  char		buf[1024];		/* Output buffer for feature */
+
+
+  if ((count = ppdCollect(ppd, section, &choices)) == 0)
+    return (0);
+
+  for (i = 0; i < count; i ++)
+    if (section != PPD_ORDER_EXIT && section != PPD_ORDER_JCL)
+    {
+     /*
+      * Send wrapper commands to prevent printer errors for unsupported
+      * options...
+      */
+
+      if (write(fd, "[{\n", 3) < 1)
+      {
+        free(choices);
+        return (-1);
+      }
+
+     /*
+      * Send DSC comments with option...
+      */
+
+      snprintf(buf, sizeof(buf), "%%%%BeginFeature: %s %s\n",
+               ((ppd_option_t *)choices[i]->option)->keyword,
+	       choices[i]->choice);
+
+      if (write(fd, buf, strlen(buf)) < 1)
+      {
+        free(choices);
+        return (-1);
+      }
+
+      if (write(fd, choices[i]->code, strlen(choices[i]->code)) < 1)
+      {
+        free(choices);
+        return (-1);
+      }
+
+      if (write(fd, "%%EndFeature\n", 13) < 1)
+      {
+        free(choices);
+        return (-1);
+      }
+
+      if (write(fd, "} stopped cleartomark\n", 22) < 1)
+      {
+        free(choices);
+        return (-1);
+      }
+    }
+    else if (write(fd, choices[i]->code, strlen(choices[i]->code)) < 1)
+    {
+      free(choices);
+      return (-1);
+    }
+
+  free(choices);
+  return (0);
+}
+
+
+/*
+ * 'ppdEmitJCL()' - Emit code for JCL options to a file.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+ppdEmitJCL(ppd_file_t *ppd,		/* I - PPD file record */
+           FILE       *fp,		/* I - File to write to */
+           int        job_id,		/* I - Job ID */
+	   const char *user,		/* I - Username */
+	   const char *title)		/* I - Title */
+{
+  const char	*ptr;			/* Pointer into JCL string */
+
+
+ /*
+  * Range check the input...
+  */
+
+  if (ppd == NULL || ppd->jcl_begin == NULL || ppd->jcl_ps == NULL)
+    return (0);
+
+ /*
+  * See if the printer supports HP PJL...
+  */
+
+  if (strncmp(ppd->jcl_begin, "\033%-12345X@", 10) == 0)
+  {
+   /*
+    * This printer uses HP PJL commands for output; filter the output
+    * so that we only have a single "@PJL JOB" command in the header...
+    */
+
+    fputs("\033%-12345X", fp);
+    for (ptr = ppd->jcl_begin + 9; *ptr;)
+      if (strncmp(ptr, "@PJL JOB", 8) == 0)
+      {
+       /*
+        * Skip job command...
+	*/
+
+        for (;*ptr; ptr ++)
+	  if (*ptr == '\n')
+	    break;
+
+	if (*ptr)
+	  ptr ++;
+      }
+      else
+      {
+       /*
+        * Copy line...
+	*/
+
+        for (;*ptr; ptr ++)
+	{
+	  putc(*ptr, fp);
+	  if (*ptr == '\n')
+	    break;
+	}
+
+	if (*ptr)
+	  ptr ++;
+      }
+
+   /*
+    * Eliminate any path info from the job title...
+    */
+
+    if ((ptr = strrchr(title, '/')) != NULL)
+      title = ptr + 1;
+
+   /*
+    * Send PJL JOB command before we enter PostScript mode...
+    */
+
+    fprintf(fp, "@PJL JOB NAME = \"%s\" DISPLAY = \"%d %s %s\"\n", title,
+            job_id, user, title);
+  }
+  else
+    fputs(ppd->jcl_begin, stdout);
+
+  ppdEmit(ppd, stdout, PPD_ORDER_JCL);
+  fputs(ppd->jcl_ps, stdout);
+
+  return (0);
+}
+
+
+/*
+ * 'ppd_sort()' - Sort options by ordering numbers...
+ */
+
+static int			/* O - -1 if c1 < c2, 0 if equal, 1 otherwise */
+ppd_sort(ppd_choice_t **c1,	/* I - First choice */
+         ppd_choice_t **c2)	/* I - Second choice */
+{
+  if (((ppd_option_t *)(*c1)->option)->order < ((ppd_option_t *)(*c2)->option)->order)
+    return (-1);
+  else if (((ppd_option_t *)(*c1)->option)->order > ((ppd_option_t *)(*c2)->option)->order)
+    return (1);
+  else
+    return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/encode.c b/cups/encode.c
new file mode 100644
index 000000000..e529aa2c3
--- /dev/null
+++ b/cups/encode.c
@@ -0,0 +1,311 @@
+/*
+ * "$Id$"
+ *
+ *   Option encoding routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsEncodeOptions() - Encode printer options into IPP attributes.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include <stdlib.h>
+#include <ctype.h>
+#include "string.h"
+#include "debug.h"
+
+
+/*
+ * 'cupsEncodeOptions()' - Encode printer options into IPP attributes.
+ */
+
+void
+cupsEncodeOptions(ipp_t         *ipp,		/* I - Request to add to */
+        	  int           num_options,	/* I - Number of options */
+		  cups_option_t *options)	/* I - Options */
+{
+  int		i, j;			/* Looping vars */
+  int		count;			/* Number of values */
+  int		n;			/* Attribute value */
+  char		*s,			/* Pointer into option value */
+		*val,			/* Pointer to option value */
+		*copy,			/* Copy of option value */
+		*sep;			/* Option separator */
+  ipp_attribute_t *attr;		/* IPP job-id attribute */
+
+
+  DEBUG_printf(("cupsEncodeOptions(%p, %d, %p)\n", ipp, num_options, options));
+
+  if (ipp == NULL || num_options < 1 || options == NULL)
+    return;
+
+ /*
+  * Handle the document format stuff first...
+  */
+
+  if ((val = (char *)cupsGetOption("document-format", num_options, options)) != NULL)
+    ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
+        	 NULL, val);
+  else if (cupsGetOption("raw", num_options, options))
+    ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
+        	 NULL, "application/vnd.cups-raw");
+  else
+    ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
+        	 NULL, "application/octet-stream");
+
+ /*
+  * Then add all other options...
+  */
+
+  for (i = 0; i < num_options; i ++)
+  {
+   /*
+    * Skip document format options - handled above...
+    */
+
+    if (strcasecmp(options[i].name, "raw") == 0 ||
+        strcasecmp(options[i].name, "document-format") == 0 ||
+	!options[i].name[0])
+      continue;
+
+   /*
+    * Count the number of values...
+    */
+
+    for (count = 1, sep = options[i].value;
+         (sep = strchr(sep + 1, ',')) != NULL;
+	 count ++);
+
+    DEBUG_printf(("cupsEncodeOptions: option = \'%s\', count = %d\n",
+                  options[i].name, count));
+
+    if ((attr = _ipp_add_attr(ipp, count)) == NULL)
+    {
+     /*
+      * Ran out of memory!
+      */
+
+      DEBUG_puts("cupsEncodeOptions: Ran out of memory for attributes!");
+      return;
+    }
+
+    attr->group_tag = IPP_TAG_JOB;
+
+    if ((attr->name = strdup(options[i].name)) == NULL)
+    {
+     /*
+      * Ran out of memory!
+      */
+
+      DEBUG_puts("cupsEncodeOptions: Ran out of memory for name!");
+      return;
+    }
+
+    if (count > 1)
+    {
+     /*
+      * Make a copy of the value we can fiddle with...
+      */
+
+      if ((copy = strdup(options[i].value)) == NULL)
+      {
+       /*
+	* Ran out of memory!
+	*/
+
+	DEBUG_puts("cupsEncodeOptions: Ran out of memory for value copy!");
+	return;
+      }
+
+      val = copy;
+    }
+    else
+    {
+     /*
+      * Since we have a single value, use the value directly...
+      */
+
+      val  = options[i].value;
+      copy = NULL;
+    }
+
+   /*
+    * See what the option value is; for compatibility with older interface
+    * scripts, we have to support single-argument options as well as
+    * option=value, option=low-high, option=MxN, and option=val1,val2,...,valN.
+    */
+
+    if (*val == '\0')
+    {
+     /*
+      * Old-style System V boolean value...
+      */
+
+      attr->value_tag = IPP_TAG_BOOLEAN;
+
+      if (strncasecmp(attr->name, "no", 2) == 0)
+      {
+        DEBUG_puts("cupsEncodeOptions: Added boolean false value...");
+        strcpy(attr->name, attr->name + 2);
+	attr->values[0].boolean = 0;
+      }
+      else
+      {
+        DEBUG_puts("cupsEncodeOptions: Added boolean true value...");
+	attr->values[0].boolean = 1;
+      }
+    }
+    else
+    {
+     /*
+      * Scan the value string for values...
+      */
+
+      for (j = 0; *val != '\0'; val = sep, j ++)
+      {
+       /*
+        * Find the end of this value and mark it if needed...
+	*/
+
+        if ((sep = strchr(val, ',')) != NULL)
+	  *sep++ = '\0';
+	else
+	  sep = val + strlen(val);
+
+       /*
+        * See what kind of value it is...
+	*/
+
+	if (strcasecmp(val, "true") == 0 ||
+            strcasecmp(val, "on") == 0 ||
+	    strcasecmp(val, "yes") == 0)
+	{
+	 /*
+	  * Boolean value - true...
+	  */
+
+          attr->value_tag         = IPP_TAG_BOOLEAN;
+	  attr->values[j].boolean = 1;
+
+          DEBUG_puts("cupsEncodeOptions: Added boolean true value...");
+	}
+	else if (strcasecmp(val, "false") == 0 ||
+        	 strcasecmp(val, "off") == 0 ||
+		 strcasecmp(val, "no") == 0)
+	{
+	 /*
+	  * Boolean value - false...
+	  */
+
+          attr->value_tag         = IPP_TAG_BOOLEAN;
+	  attr->values[j].boolean = 0;
+
+          DEBUG_puts("cupsEncodeOptions: Added boolean false value...");
+	}
+	else
+	{
+	 /*
+	  * Number, range, resolution, or string...
+	  */
+
+	  n = strtol(val, &s, 0);
+
+	  if (*s != '\0' && *s != '-' && (*s != 'x' || s == val))
+	  {
+	   /*
+	    * String value(s)...
+	    */
+
+            if ((attr->values[j].string.text = strdup(val)) == NULL)
+	    {
+	     /*
+	      * Ran out of memory!
+	      */
+
+	      DEBUG_puts("cupsEncodeOptions: Ran out of memory for string!");
+	      return;
+	    }
+
+            attr->value_tag = IPP_TAG_NAME;
+
+	    DEBUG_printf(("cupsEncodeOptions: Added string value \'%s\'...\n", val));
+	  }
+	  else if (*s == '-')
+	  {
+            attr->value_tag             = IPP_TAG_RANGE;
+	    attr->values[j].range.lower = n;
+	    attr->values[j].range.upper = strtol(s + 1, NULL, 0);
+
+	    DEBUG_printf(("cupsEncodeOptions: Added range option value %d-%d...\n",
+                	  n, attr->values[j].range.upper));
+	  }
+	  else if (*s == 'x')
+	  {
+            attr->value_tag                 = IPP_TAG_RESOLUTION;
+	    attr->values[j].resolution.xres = n;
+	    attr->values[j].resolution.yres = strtol(s + 1, &s, 0);
+
+	    if (strcasecmp(s, "dpc") == 0)
+              attr->values[j].resolution.units = IPP_RES_PER_CM;
+            else if (strcasecmp(s, "dpi") == 0)
+              attr->values[j].resolution.units = IPP_RES_PER_INCH;
+            else
+	    {
+              if ((attr->values[j].string.text = strdup(val)) == NULL)
+	      {
+	       /*
+		* Ran out of memory!
+		*/
+
+		DEBUG_puts("cupsEncodeOptions: Ran out of memory for string!");
+		return;
+	      }
+
+              attr->value_tag = IPP_TAG_NAME;
+
+	      DEBUG_printf(("cupsEncodeOptions: Added string value \'%s\'...\n", val));
+	      continue;
+            }
+
+	    DEBUG_printf(("cupsEncodeOptions: Adding resolution option value %s...\n",
+                	  val));
+	  }
+	  else
+	  {
+            attr->value_tag         = IPP_TAG_INTEGER;
+	    attr->values[j].integer = n;
+
+	    DEBUG_printf(("cupsEncodeOptions: Adding integer option value %d...\n", n));
+	  }
+        }
+      }
+    }
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/http.c b/cups/http.c
new file mode 100644
index 000000000..5bc98c8bf
--- /dev/null
+++ b/cups/http.c
@@ -0,0 +1,2215 @@
+/*
+ * "$Id$"
+ *
+ *   HTTP routines for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   httpInitialize()     - Initialize the HTTP interface library and set the
+ *                          default HTTP proxy (if any).
+ *   httpCheck()          - Check to see if there is a pending response from
+ *                          the server.
+ *   httpClose()          - Close an HTTP connection...
+ *   httpConnect()        - Connect to a HTTP server.
+ *   httpConnectEncrypt() - Connect to a HTTP server using encryption.
+ *   httpEncryption()     - Set the required encryption on the link.
+ *   httpReconnect()      - Reconnect to a HTTP server...
+ *   httpGetHostByName()  - Lookup a hostname or IP address, and return
+ *                          address records for the specified name.
+ *   httpSeparate()       - Separate a Universal Resource Identifier into its
+ *                          components.
+ *   httpGetSubField()    - Get a sub-field value.
+ *   httpSetField()       - Set the value of an HTTP header.
+ *   httpDelete()         - Send a DELETE request to the server.
+ *   httpGet()            - Send a GET request to the server.
+ *   httpHead()           - Send a HEAD request to the server.
+ *   httpOptions()        - Send an OPTIONS request to the server.
+ *   httpPost()           - Send a POST request to the server.
+ *   httpPut()            - Send a PUT request to the server.
+ *   httpTrace()          - Send an TRACE request to the server.
+ *   httpFlush()          - Flush data from a HTTP connection.
+ *   httpRead()           - Read data from a HTTP connection.
+ *   httpWrite()          - Write data to a HTTP connection.
+ *   httpGets()           - Get a line of text from a HTTP connection.
+ *   httpPrintf()         - Print a formatted string to a HTTP connection.
+ *   httpStatus()         - Return a short string describing a HTTP status code.
+ *   httpGetDateString()  - Get a formatted date/time string from a time value.
+ *   httpGetDateTime()    - Get a time value from a formatted date/time string.
+ *   httpUpdate()         - Update the current HTTP state for incoming data.
+ *   httpDecode64()       - Base64-decode a string.
+ *   httpEncode64()       - Base64-encode a string.
+ *   httpGetLength()      - Get the amount of data remaining from the
+ *                          content-length or transfer-encoding fields.
+ *   http_field()         - Return the field index for a field name.
+ *   http_send()          - Send a request with all fields and the trailing
+ *                          blank line.
+ *   http_upgrade()       - Force upgrade to TLS encryption.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include "string.h"
+#include <fcntl.h>
+#include <errno.h>
+
+#include "http.h"
+#include "ipp.h"
+#include "debug.h"
+
+#ifndef WIN32
+#  include <signal.h>
+#endif /* !WIN32 */
+
+#ifdef HAVE_LIBSSL
+#  include <openssl/err.h>
+#  include <openssl/rand.h>
+#  include <openssl/ssl.h>
+#endif /* HAVE_LIBSSL */
+
+
+/*
+ * Some operating systems have done away with the Fxxxx constants for
+ * the fcntl() call; this works around that "feature"...
+ */
+
+#ifndef FNONBLK
+#  define FNONBLK O_NONBLOCK
+#endif /* !FNONBLK */
+
+
+/*
+ * Local functions...
+ */
+
+static http_field_t	http_field(const char *name);
+static int		http_send(http_t *http, http_state_t request,
+			          const char *uri);
+#ifdef HAVE_LIBSSL
+static int		http_upgrade(http_t *http);
+#endif /* HAVE_LIBSSL */
+
+
+/*
+ * Local globals...
+ */
+
+static const char	*http_fields[] =
+			{
+			  "Accept-Language",
+			  "Accept-Ranges",
+			  "Authorization",
+			  "Connection",
+			  "Content-Encoding",
+			  "Content-Language",
+			  "Content-Length",
+			  "Content-Location",
+			  "Content-MD5",
+			  "Content-Range",
+			  "Content-Type",
+			  "Content-Version",
+			  "Date",
+			  "Host",
+			  "If-Modified-Since",
+			  "If-Unmodified-since",
+			  "Keep-Alive",
+			  "Last-Modified",
+			  "Link",
+			  "Location",
+			  "Range",
+			  "Referer",
+			  "Retry-After",
+			  "Transfer-Encoding",
+			  "Upgrade",
+			  "User-Agent",
+			  "WWW-Authenticate"
+			};
+static const char	*days[7] =
+			{
+			  "Sun",
+			  "Mon",
+			  "Tue",
+			  "Wed",
+			  "Thu",
+			  "Fri",
+			  "Sat"
+			};
+static const char	*months[12] =
+			{
+			  "Jan",
+			  "Feb",
+			  "Mar",
+			  "Apr",
+			  "May",
+			  "Jun",
+		          "Jul",
+			  "Aug",
+			  "Sep",
+			  "Oct",
+			  "Nov",
+			  "Dec"
+			};
+
+
+/*
+ * 'httpInitialize()' - Initialize the HTTP interface library and set the
+ *                      default HTTP proxy (if any).
+ */
+
+void
+httpInitialize(void)
+{
+#ifdef HAVE_LIBSSL
+  struct timeval	curtime;	/* Current time in microseconds */
+  int			i;		/* Looping var */
+  unsigned char		data[1024];	/* Seed data */
+#endif /* HAVE_LIBSSL */
+
+#ifdef WIN32
+  WSADATA	winsockdata;	/* WinSock data */
+  static int	initialized = 0;/* Has WinSock been initialized? */
+
+
+  if (!initialized)
+    WSAStartup(MAKEWORD(1,1), &winsockdata);
+#elif defined(HAVE_SIGSET)
+  sigset(SIGPIPE, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+  struct sigaction	action;	/* POSIX sigaction data */
+
+
+ /*
+  * Ignore SIGPIPE signals...
+  */
+
+  memset(&action, 0, sizeof(action));
+  action.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &action, NULL);
+#else
+  signal(SIGPIPE, SIG_IGN);
+#endif /* WIN32 */
+
+#ifdef HAVE_LIBSSL
+  SSL_load_error_strings();
+  SSL_library_init();
+
+ /*
+  * Using the current time is a dubious random seed, but on some systems
+  * it is the best we can do (on others, this seed isn't even used...)
+  */
+
+  gettimeofday(&curtime, NULL);
+  srand(curtime.tv_sec + curtime.tv_usec);
+
+  for (i = 0; i < sizeof(data); i ++)
+    data[i] = rand(); /* Yes, this is a poor source of random data... */
+
+  RAND_seed(&data, sizeof(data));
+#endif /* HAVE_LIBSSL */
+}
+
+
+/*
+ * 'httpCheck()' - Check to see if there is a pending response from the server.
+ */
+
+int				/* O - 0 = no data, 1 = data available */
+httpCheck(http_t *http)		/* I - HTTP connection */
+{
+  fd_set	input;		/* Input set for select() */
+  struct timeval timeout;	/* Timeout */
+
+
+ /*
+  * First see if there is data in the buffer...
+  */
+
+  if (http == NULL)
+    return (0);
+
+  if (http->used)
+    return (1);
+
+ /*
+  * Then try doing a select() to poll the socket...
+  */
+
+  FD_ZERO(&input);
+  FD_SET(http->fd, &input);
+
+  timeout.tv_sec  = 0;
+  timeout.tv_usec = 0;
+
+  return (select(http->fd + 1, &input, NULL, NULL, &timeout) > 0);
+}
+
+
+/*
+ * 'httpClose()' - Close an HTTP connection...
+ */
+
+void
+httpClose(http_t *http)		/* I - Connection to close */
+{
+#ifdef HAVE_LIBSSL
+  SSL_CTX	*context;	/* Context for encryption */
+  SSL		*conn;		/* Connection for encryption */
+#endif /* HAVE_LIBSSL */
+
+
+  if (!http)
+    return;
+
+#ifdef HAVE_LIBSSL
+  if (http->tls)
+  {
+    conn    = (SSL *)(http->tls);
+    context = SSL_get_SSL_CTX(conn);
+
+    SSL_shutdown(conn);
+    SSL_CTX_free(context);
+    SSL_free(conn);
+
+    http->tls = NULL;
+  }
+#endif /* HAVE_LIBSSL */
+
+#ifdef WIN32
+  closesocket(http->fd);
+#else
+  close(http->fd);
+#endif /* WIN32 */
+
+  free(http);
+}
+
+
+/*
+ * 'httpConnect()' - Connect to a HTTP server.
+ */
+
+http_t *			/* O - New HTTP connection */
+httpConnect(const char *host,	/* I - Host to connect to */
+            int        port)	/* I - Port number */
+{
+  http_encryption_t	encrypt;/* Type of encryption to use */
+
+
+ /*
+  * Set the default encryption status...
+  */
+
+  if (port == 443)
+    encrypt = HTTP_ENCRYPT_ALWAYS;
+  else
+    encrypt = HTTP_ENCRYPT_IF_REQUESTED;
+
+  return (httpConnectEncrypt(host, port, encrypt));
+}
+
+
+/*
+ * 'httpConnectEncrypt()' - Connect to a HTTP server using encryption.
+ */
+
+http_t *				/* O - New HTTP connection */
+httpConnectEncrypt(const char *host,	/* I - Host to connect to */
+                   int        port,	/* I - Port number */
+		   http_encryption_t encrypt)
+					/* I - Type of encryption to use */
+{
+  int			i;		/* Looping var */
+  http_t		*http;		/* New HTTP connection */
+  struct hostent	*hostaddr;	/* Host address data */
+
+
+  if (host == NULL)
+    return (NULL);
+
+  httpInitialize();
+
+ /*
+  * Lookup the host...
+  */
+
+  if ((hostaddr = httpGetHostByName(host)) == NULL)
+  {
+   /*
+    * This hack to make users that don't have a localhost entry in
+    * their hosts file or DNS happy...
+    */
+
+    if (strcasecmp(host, "localhost") != 0)
+      return (NULL);
+    else if ((hostaddr = httpGetHostByName("127.0.0.1")) == NULL)
+      return (NULL);
+  }
+
+ /*
+  * Verify that it is an IPv4 address (IPv6 support will come in CUPS 1.2...)
+  */
+
+  if (hostaddr->h_addrtype != AF_INET || hostaddr->h_length != 4)
+    return (NULL);
+
+ /*
+  * Allocate memory for the structure...
+  */
+
+  http = calloc(sizeof(http_t), 1);
+  if (http == NULL)
+    return (NULL);
+
+  http->version  = HTTP_1_1;
+  http->blocking = 1;
+  http->activity = time(NULL);
+  http->fd       = -1;
+
+ /*
+  * Copy the hostname and port and then "reconnect"...
+  */
+
+  strncpy(http->hostname, host, sizeof(http->hostname) - 1);
+  http->hostaddr.sin_family = hostaddr->h_addrtype;
+#ifdef WIN32
+  http->hostaddr.sin_port   = htons((u_short)port);
+#else
+  http->hostaddr.sin_port   = htons(port);
+#endif /* WIN32 */
+
+ /*
+  * Set the encryption status...
+  */
+
+  if (port == 443)	/* Always use encryption for https */
+    http->encryption = HTTP_ENCRYPT_ALWAYS;
+  else
+    http->encryption = encrypt;
+
+ /*
+  * Loop through the addresses we have until one of them connects...
+  */
+
+  strncpy(http->hostname, host, sizeof(http->hostname) - 1);
+
+  for (i = 0; hostaddr->h_addr_list[i]; i ++)
+  {
+   /*
+    * Load the address...
+    */
+
+    memcpy((char *)&(http->hostaddr.sin_addr), hostaddr->h_addr_list[i],
+           hostaddr->h_length);
+
+   /*
+    * Connect to the remote system...
+    */
+
+    if (!httpReconnect(http))
+      return (http);
+  }
+
+ /*
+  * Could not connect to any known address - bail out!
+  */
+
+  free(http);
+  return (NULL);
+}
+
+
+/*
+ * 'httpEncryption()' - Set the required encryption on the link.
+ */
+
+int					/* O - -1 on error, 0 on success */
+httpEncryption(http_t            *http,	/* I - HTTP data */
+               http_encryption_t e)	/* I - New encryption preference */
+{
+#ifdef HAVE_LIBSSL
+  if (!http)
+    return (0);
+
+  http->encryption = e;
+
+  if ((http->encryption == HTTP_ENCRYPT_ALWAYS && !http->tls) ||
+      (http->encryption == HTTP_ENCRYPT_NEVER && http->tls))
+    return (httpReconnect(http));
+  else if (http->encryption == HTTP_ENCRYPT_REQUIRED && !http->tls)
+    return (http_upgrade(http));
+  else
+    return (0);
+#else
+  if (e == HTTP_ENCRYPT_ALWAYS || e == HTTP_ENCRYPT_REQUIRED)
+    return (-1);
+  else
+    return (0);
+#endif /* HAVE_LIBSSL */
+}
+
+
+/*
+ * 'httpReconnect()' - Reconnect to a HTTP server...
+ */
+
+int				/* O - 0 on success, non-zero on failure */
+httpReconnect(http_t *http)	/* I - HTTP data */
+{
+  int		val;		/* Socket option value */
+#ifdef HAVE_LIBSSL
+  SSL_CTX	*context;	/* Context for encryption */
+  SSL		*conn;		/* Connection for encryption */
+
+
+  if (http->tls)
+  {
+    conn    = (SSL *)(http->tls);
+    context = SSL_get_SSL_CTX(conn);
+
+    SSL_shutdown(conn);
+    SSL_CTX_free(context);
+    SSL_free(conn);
+
+    http->tls = NULL;
+  }
+#endif /* HAVE_LIBSSL */
+
+ /*
+  * Close any previously open socket...
+  */
+
+  if (http->fd >= 0)
+#ifdef WIN32
+    closesocket(http->fd);
+#else
+    close(http->fd);
+#endif /* WIN32 */
+
+ /*
+  * Create the socket and set options to allow reuse.
+  */
+
+  if ((http->fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+  {
+#ifdef WIN32
+    http->error  = WSAGetLastError();
+#else
+    http->error  = errno;
+#endif /* WIN32 */
+    http->status = HTTP_ERROR;
+    return (-1);
+  }
+
+#ifdef FD_CLOEXEC
+  fcntl(http->fd, F_SETFD, FD_CLOEXEC);	/* Close this socket when starting *
+					 * other processes...              */
+#endif /* FD_CLOEXEC */
+
+  val = 1;
+  setsockopt(http->fd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
+
+#ifdef SO_REUSEPORT
+  val = 1;
+  setsockopt(http->fd, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val));
+#endif /* SO_REUSEPORT */
+
+ /*
+  * Using TCP_NODELAY improves responsiveness, especially on systems
+  * with a slow loopback interface...  Since we write large buffers
+  * when sending print files and requests, there shouldn't be any
+  * performance penalty for this...
+  */
+
+  val = 1;
+  setsockopt(http->fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); 
+
+ /*
+  * Connect to the server...
+  */
+
+  if (connect(http->fd, (struct sockaddr *)&(http->hostaddr),
+              sizeof(http->hostaddr)) < 0)
+  {
+#ifdef WIN32
+    http->error  = WSAGetLastError();
+#else
+    http->error  = errno;
+#endif /* WIN32 */
+    http->status = HTTP_ERROR;
+
+#ifdef WIN32
+    closesocket(http->fd);
+#else
+    close(http->fd);
+#endif
+
+    http->fd = -1;
+
+    return (-1);
+  }
+
+  http->error  = 0;
+  http->status = HTTP_CONTINUE;
+
+#ifdef HAVE_LIBSSL
+  if (http->encryption == HTTP_ENCRYPT_ALWAYS)
+  {
+   /*
+    * Always do encryption via SSL.
+    */
+
+    context = SSL_CTX_new(SSLv23_method());
+    conn    = SSL_new(context);
+
+    SSL_set_fd(conn, http->fd);
+    if (SSL_connect(conn) != 1)
+    {
+      SSL_CTX_free(context);
+      SSL_free(conn);
+
+#ifdef WIN32
+      http->error  = WSAGetLastError();
+#else
+      http->error  = errno;
+#endif /* WIN32 */
+      http->status = HTTP_ERROR;
+
+#ifdef WIN32
+      closesocket(http->fd);
+#else
+      close(http->fd);
+#endif
+
+      return (-1);
+    }
+
+    http->tls = conn;
+  }
+  else if (http->encryption == HTTP_ENCRYPT_REQUIRED)
+    return (http_upgrade(http));
+#endif /* HAVE_LIBSSL */
+
+  return (0);
+}
+
+
+/*
+ * 'httpGetHostByName()' - Lookup a hostname or IP address, and return
+ *                         address records for the specified name.
+ */
+
+struct hostent *			/* O - Host entry */
+httpGetHostByName(const char *name)	/* I - Hostname or IP address */
+{
+  unsigned		ip[4];		/* IP address components */
+  static unsigned	packed_ip;	/* Packed IPv4 address */
+  static char		*packed_ptr[2];	/* Pointer to packed address */
+  static struct hostent	host_ip;	/* Host entry for IP address */
+
+
+ /*
+  * This function is needed because some operating systems have a
+  * buggy implementation of httpGetHostByName() that does not support
+  * IP addresses.  If the first character of the name string is a
+  * number, then sscanf() is used to extract the IP components.
+  * We then pack the components into an IPv4 address manually,
+  * since the inet_aton() function is deprecated.  We use the
+  * htonl() macro to get the right byte order for the address.
+  */
+
+  if (isdigit(name[0]))
+  {
+   /*
+    * We have an IP address; break it up and provide the host entry
+    * to the caller.  Currently only supports IPv4 addresses, although
+    * it should be trivial to support IPv6 in CUPS 1.2.
+    */
+
+    if (sscanf(name, "%u.%u.%u.%u", ip, ip + 1, ip + 2, ip + 3) != 4)
+      return (NULL); /* Must have 4 numbers */
+
+    packed_ip = htonl(((((((ip[0] << 8) | ip[1]) << 8) | ip[2]) << 8) | ip[3]));
+
+   /*
+    * Fill in the host entry and return it...
+    */
+
+    host_ip.h_name      = (char *)name;
+    host_ip.h_aliases   = NULL;
+    host_ip.h_addrtype  = AF_INET;
+    host_ip.h_length    = 4;
+    host_ip.h_addr_list = packed_ptr;
+    packed_ptr[0]       = (char *)(&packed_ip);
+    packed_ptr[1]       = NULL;
+
+    return (&host_ip);
+  }
+  else
+  {
+   /*
+    * Use the gethostbyname() function to get the IP address for
+    * the name...
+    */
+
+    return (gethostbyname(name));
+  }
+}
+
+
+/*
+ * 'httpSeparate()' - Separate a Universal Resource Identifier into its
+ *                    components.
+ */
+
+void
+httpSeparate(const char *uri,		/* I - Universal Resource Identifier */
+             char       *method,	/* O - Method [32] (http, https, etc.) */
+	     char       *username,	/* O - Username [32] */
+	     char       *host,		/* O - Hostname [32] */
+	     int        *port,		/* O - Port number to use */
+             char       *resource)	/* O - Resource/filename [1024] */
+{
+  char		*ptr;				/* Pointer into string... */
+  const char	*atsign,			/* @ sign */
+		*slash;				/* Separator */
+  char		safeuri[HTTP_MAX_URI];		/* "Safe" local copy of URI */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (uri == NULL || method == NULL || username == NULL || host == NULL ||
+      port == NULL || resource == NULL)
+    return;
+
+ /*
+  * Copy the URL to a local string to make sure we don't have a URL
+  * longer than HTTP_MAX_URI characters long...
+  */
+
+  strncpy(safeuri, uri, sizeof(safeuri));
+  safeuri[sizeof(safeuri) - 1] = '\0';
+
+  uri = safeuri;
+
+ /*
+  * Grab the method portion of the URI...
+  */
+
+  if (strncmp(uri, "//", 2) == 0)
+  {
+   /*
+    * Workaround for HP IPP client bug...
+    */
+
+    strcpy(method, "ipp");
+  }
+  else
+  {
+   /*
+    * Standard URI with method...
+    */
+
+    for (ptr = host; *uri != ':' && *uri != '\0'; uri ++)
+      if (ptr < (host + HTTP_MAX_URI - 1))
+        *ptr++ = *uri;
+
+    *ptr = '\0';
+    if (*uri == ':')
+      uri ++;
+
+   /*
+    * If the method contains a period or slash, then it's probably
+    * hostname/filename...
+    */
+
+    if (strchr(host, '.') != NULL || strchr(host, '/') != NULL || *uri == '\0')
+    {
+      if ((ptr = strchr(host, '/')) != NULL)
+      {
+	strncpy(resource, ptr, HTTP_MAX_URI);
+	resource[HTTP_MAX_URI - 1] = '\0';
+	*ptr = '\0';
+      }
+      else
+	resource[0] = '\0';
+
+      if (isdigit(*uri))
+      {
+       /*
+	* OK, we have "hostname:port[/resource]"...
+	*/
+
+	*port = strtol(uri, (char **)&uri, 10);
+
+	if (*uri == '/')
+	{
+          strncpy(resource, uri, HTTP_MAX_URI);
+          resource[HTTP_MAX_URI - 1] = '\0';
+	}
+      }
+      else
+	*port = 631;
+
+      strcpy(method, "http");
+      username[0] = '\0';
+      return;
+    }
+    else
+    {
+      strncpy(method, host, 31);
+      method[31] = '\0';
+    }
+  }
+
+ /*
+  * If the method starts with less than 2 slashes then it is a local resource...
+  */
+
+  if (strncmp(uri, "//", 2) != 0)
+  {
+    strncpy(resource, uri, 1023);
+    resource[1023] = '\0';
+
+    username[0] = '\0';
+    host[0]     = '\0';
+    *port       = 0;
+    return;
+  }
+
+ /*
+  * Grab the username, if any...
+  */
+
+  while (*uri == '/')
+    uri ++;
+
+  if ((slash = strchr(uri, '/')) == NULL)
+    slash = uri + strlen(uri);
+
+  if ((atsign = strchr(uri, '@')) != NULL && atsign < slash)
+  {
+   /*
+    * Got a username:password combo...
+    */
+
+    for (ptr = username; uri < atsign; uri ++)
+      if (ptr < (username + HTTP_MAX_URI - 1))
+	*ptr++ = *uri;
+
+    *ptr = '\0';
+
+    uri = atsign + 1;
+  }
+  else
+    username[0] = '\0';
+
+ /*
+  * Grab the hostname...
+  */
+
+  for (ptr = host; *uri != ':' && *uri != '/' && *uri != '\0'; uri ++)
+    if (ptr < (host + HTTP_MAX_URI - 1))
+      *ptr++ = *uri;
+
+  *ptr = '\0';
+
+  if (*uri != ':')
+  {
+    if (strcasecmp(method, "http") == 0)
+      *port = 80;
+    else if (strcasecmp(method, "https") == 0)
+      *port = 443;
+    else if (strcasecmp(method, "ipp") == 0)
+      *port = ippPort();
+    else if (strcasecmp(method, "socket") == 0)	/* Not registered yet... */
+      *port = 9100;
+    else
+      *port = 0;
+  }
+  else
+  {
+   /*
+    * Parse port number...
+    */
+
+    *port = 0;
+    uri ++;
+    while (isdigit(*uri))
+    {
+      *port = (*port * 10) + *uri - '0';
+      uri ++;
+    }
+  }
+
+  if (*uri == '\0')
+  {
+   /*
+    * Hostname but no port or path...
+    */
+
+    resource[0] = '/';
+    resource[1] = '\0';
+    return;
+  }
+
+ /*
+  * The remaining portion is the resource string...
+  */
+
+  strncpy(resource, uri, HTTP_MAX_URI);
+  resource[HTTP_MAX_URI - 1] = '\0';
+}
+
+
+/*
+ * 'httpGetSubField()' - Get a sub-field value.
+ */
+
+char *					/* O - Value or NULL */
+httpGetSubField(http_t       *http,	/* I - HTTP data */
+                http_field_t field,	/* I - Field index */
+                const char   *name,	/* I - Name of sub-field */
+		char         *value)	/* O - Value string */
+{
+  const char	*fptr;			/* Pointer into field */
+  char		temp[HTTP_MAX_VALUE],	/* Temporary buffer for name */
+		*ptr;			/* Pointer into string buffer */
+
+
+  if (http == NULL ||
+      field < HTTP_FIELD_ACCEPT_LANGUAGE ||
+      field > HTTP_FIELD_WWW_AUTHENTICATE ||
+      name == NULL || value == NULL)
+    return (NULL);
+
+  DEBUG_printf(("httpGetSubField(%p, %d, \"%s\", %p)\n",
+                http, field, name, value));
+
+  for (fptr = http->fields[field]; *fptr;)
+  {
+   /*
+    * Skip leading whitespace...
+    */
+
+    while (isspace(*fptr))
+      fptr ++;
+
+    if (*fptr == ',')
+    {
+      fptr ++;
+      continue;
+    }
+
+   /*
+    * Get the sub-field name...
+    */
+
+    for (ptr = temp;
+         *fptr && *fptr != '=' && !isspace(*fptr) && ptr < (temp + sizeof(temp) - 1);
+         *ptr++ = *fptr++);
+
+    *ptr = '\0';
+
+    DEBUG_printf(("name = \"%s\"\n", temp));
+
+   /*
+    * Skip trailing chars up to the '='...
+    */
+
+    while (isspace(*fptr))
+      fptr ++;
+
+    if (!*fptr)
+      break;
+
+    if (*fptr != '=')
+      continue;
+
+   /*
+    * Skip = and leading whitespace...
+    */
+
+    fptr ++;
+
+    while (isspace(*fptr))
+      fptr ++;
+
+    if (*fptr == '\"')
+    {
+     /*
+      * Read quoted string...
+      */
+
+      for (ptr = value, fptr ++;
+           *fptr && *fptr != '\"' && ptr < (value + HTTP_MAX_VALUE - 1);
+	   *ptr++ = *fptr++);
+
+      *ptr = '\0';
+
+      while (*fptr && *fptr != '\"')
+        fptr ++;
+
+      if (*fptr)
+        fptr ++;
+    }
+    else
+    {
+     /*
+      * Read unquoted string...
+      */
+
+      for (ptr = value;
+           *fptr && !isspace(*fptr) && *fptr != ',' && ptr < (value + HTTP_MAX_VALUE - 1);
+	   *ptr++ = *fptr++);
+
+      *ptr = '\0';
+
+      while (*fptr && !isspace(*fptr) && *fptr != ',')
+        fptr ++;
+    }
+
+    DEBUG_printf(("value = \"%s\"\n", value));
+
+   /*
+    * See if this is the one...
+    */
+
+    if (strcmp(name, temp) == 0)
+      return (value);
+  }
+
+  value[0] = '\0';
+
+  return (NULL);
+}
+
+
+/*
+ * 'httpSetField()' - Set the value of an HTTP header.
+ */
+
+void
+httpSetField(http_t       *http,	/* I - HTTP data */
+             http_field_t field,	/* I - Field index */
+	     const char   *value)	/* I - Value */
+{
+  if (http == NULL ||
+      field < HTTP_FIELD_ACCEPT_LANGUAGE ||
+      field > HTTP_FIELD_WWW_AUTHENTICATE ||
+      value == NULL)
+    return;
+
+  strncpy(http->fields[field], value, HTTP_MAX_VALUE - 1);
+  http->fields[field][HTTP_MAX_VALUE - 1] = '\0';
+}
+
+
+/*
+ * 'httpDelete()' - Send a DELETE request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpDelete(http_t     *http,		/* I - HTTP data */
+           const char *uri)		/* I - URI to delete */
+{
+  return (http_send(http, HTTP_DELETE, uri));
+}
+
+
+/*
+ * 'httpGet()' - Send a GET request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpGet(http_t     *http,		/* I - HTTP data */
+        const char *uri)		/* I - URI to get */
+{
+  return (http_send(http, HTTP_GET, uri));
+}
+
+
+/*
+ * 'httpHead()' - Send a HEAD request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpHead(http_t     *http,		/* I - HTTP data */
+         const char *uri)		/* I - URI for head */
+{
+  return (http_send(http, HTTP_HEAD, uri));
+}
+
+
+/*
+ * 'httpOptions()' - Send an OPTIONS request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpOptions(http_t     *http,		/* I - HTTP data */
+            const char *uri)		/* I - URI for options */
+{
+  return (http_send(http, HTTP_OPTIONS, uri));
+}
+
+
+/*
+ * 'httpPost()' - Send a POST request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpPost(http_t     *http,		/* I - HTTP data */
+         const char *uri)		/* I - URI for post */
+{
+  httpGetLength(http);
+
+  return (http_send(http, HTTP_POST, uri));
+}
+
+
+/*
+ * 'httpPut()' - Send a PUT request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpPut(http_t     *http,		/* I - HTTP data */
+        const char *uri)		/* I - URI to put */
+{
+  httpGetLength(http);
+
+  return (http_send(http, HTTP_PUT, uri));
+}
+
+
+/*
+ * 'httpTrace()' - Send an TRACE request to the server.
+ */
+
+int					/* O - Status of call (0 = success) */
+httpTrace(http_t     *http,		/* I - HTTP data */
+          const char *uri)		/* I - URI for trace */
+{
+  return (http_send(http, HTTP_TRACE, uri));
+}
+
+
+/*
+ * 'httpFlush()' - Flush data from a HTTP connection.
+ */
+
+void
+httpFlush(http_t *http)	/* I - HTTP data */
+{
+  char	buffer[8192];	/* Junk buffer */
+
+
+  while (httpRead(http, buffer, sizeof(buffer)) > 0);
+}
+
+
+/*
+ * 'httpRead()' - Read data from a HTTP connection.
+ */
+
+int					/* O - Number of bytes read */
+httpRead(http_t *http,			/* I - HTTP data */
+         char   *buffer,		/* I - Buffer for data */
+	 int    length)			/* I - Maximum number of bytes */
+{
+  int		bytes;			/* Bytes read */
+  char		len[32];		/* Length string */
+
+
+  DEBUG_printf(("httpRead(%08x, %08x, %d)\n", http, buffer, length));
+
+  if (http == NULL || buffer == NULL)
+    return (-1);
+
+  http->activity = time(NULL);
+
+  if (length <= 0)
+    return (0);
+
+  if (http->data_encoding == HTTP_ENCODE_CHUNKED &&
+      http->data_remaining <= 0)
+  {
+    DEBUG_puts("httpRead: Getting chunk length...");
+
+    if (httpGets(len, sizeof(len), http) == NULL)
+    {
+      DEBUG_puts("httpRead: Could not get length!");
+      return (0);
+    }
+
+    http->data_remaining = strtol(len, NULL, 16);
+  }
+
+  DEBUG_printf(("httpRead: data_remaining = %d\n", http->data_remaining));
+
+  if (http->data_remaining == 0)
+  {
+   /*
+    * A zero-length chunk ends a transfer; unless we are reading POST
+    * data, go idle...
+    */
+
+    if (http->data_encoding == HTTP_ENCODE_CHUNKED)
+      httpGets(len, sizeof(len), http);
+
+    if (http->state == HTTP_POST_RECV)
+      http->state ++;
+    else
+      http->state = HTTP_WAITING;
+
+    return (0);
+  }
+  else if (length > http->data_remaining)
+    length = http->data_remaining;
+
+  if (http->used == 0 && length <= 256)
+  {
+   /*
+    * Buffer small reads for better performance...
+    */
+
+    if (http->data_remaining > sizeof(http->buffer))
+      bytes = sizeof(http->buffer);
+    else
+      bytes = http->data_remaining;
+
+#ifdef HAVE_LIBSSL
+    if (http->tls)
+      bytes = SSL_read((SSL *)(http->tls), http->buffer, bytes);
+    else
+#endif /* HAVE_LIBSSL */
+    {
+      DEBUG_printf(("httpRead: reading %d bytes from socket into buffer...\n",
+                    bytes));
+
+      bytes = recv(http->fd, http->buffer, bytes, 0);
+
+      DEBUG_printf(("httpRead: read %d bytes from socket into buffer...\n",
+                    bytes));
+    }
+
+    if (bytes > 0)
+      http->used = bytes;
+    else if (bytes < 0)
+    {
+#ifdef WIN32
+      http->error = WSAGetLastError();
+#else
+      http->error = errno;
+#endif /* WIN32 */
+      return (-1);
+    }
+    else
+      return (0);
+  }
+
+  if (http->used > 0)
+  {
+    if (length > http->used)
+      length = http->used;
+
+    bytes = length;
+
+    DEBUG_printf(("httpRead: grabbing %d bytes from input buffer...\n", bytes));
+
+    memcpy(buffer, http->buffer, length);
+    http->used -= length;
+
+    if (http->used > 0)
+      memcpy(http->buffer, http->buffer + length, http->used);
+  }
+#ifdef HAVE_LIBSSL
+  else if (http->tls)
+    bytes = SSL_read((SSL *)(http->tls), buffer, length);
+#endif /* HAVE_LIBSSL */
+  else
+  {
+    DEBUG_printf(("httpRead: reading %d bytes from socket...\n", length));
+    bytes = recv(http->fd, buffer, length, 0);
+    DEBUG_printf(("httpRead: read %d bytes from socket...\n", bytes));
+  }
+
+  if (bytes > 0)
+    http->data_remaining -= bytes;
+  else if (bytes < 0)
+#ifdef WIN32
+    http->error = WSAGetLastError();
+#else
+    http->error = errno;
+#endif /* WIN32 */
+
+  if (http->data_remaining == 0)
+  {
+    if (http->data_encoding == HTTP_ENCODE_CHUNKED)
+      httpGets(len, sizeof(len), http);
+
+    if (http->data_encoding != HTTP_ENCODE_CHUNKED)
+    {
+      if (http->state == HTTP_POST_RECV)
+	http->state ++;
+      else
+	http->state = HTTP_WAITING;
+    }
+  }
+
+  return (bytes);
+}
+
+
+/*
+ * 'httpWrite()' - Write data to a HTTP connection.
+ */
+ 
+int					/* O - Number of bytes written */
+httpWrite(http_t     *http,		/* I - HTTP data */
+          const char *buffer,		/* I - Buffer for data */
+	  int        length)		/* I - Number of bytes to write */
+{
+  int	tbytes,				/* Total bytes sent */
+	bytes;				/* Bytes sent */
+
+
+  if (http == NULL || buffer == NULL)
+    return (-1);
+
+  http->activity = time(NULL);
+
+  if (http->data_encoding == HTTP_ENCODE_CHUNKED)
+  {
+    if (httpPrintf(http, "%x\r\n", length) < 0)
+      return (-1);
+
+    if (length == 0)
+    {
+     /*
+      * A zero-length chunk ends a transfer; unless we are sending POST
+      * data, go idle...
+      */
+
+      DEBUG_puts("httpWrite: changing states...");
+
+      if (http->state == HTTP_POST_RECV)
+	http->state ++;
+      else if (http->state == HTTP_PUT_RECV)
+        http->state = HTTP_STATUS;
+      else
+	http->state = HTTP_WAITING;
+
+      if (httpPrintf(http, "\r\n") < 0)
+	return (-1);
+
+      return (0);
+    }
+  }
+
+  tbytes = 0;
+
+  while (length > 0)
+  {
+#ifdef HAVE_LIBSSL
+    if (http->tls)
+      bytes = SSL_write((SSL *)(http->tls), buffer, length);
+    else
+#endif /* HAVE_LIBSSL */
+    bytes = send(http->fd, buffer, length, 0);
+
+    if (bytes < 0)
+    {
+      DEBUG_puts("httpWrite: error writing data...\n");
+
+      return (-1);
+    }
+
+    buffer += bytes;
+    tbytes += bytes;
+    length -= bytes;
+    if (http->data_encoding == HTTP_ENCODE_LENGTH)
+      http->data_remaining -= bytes;
+  }
+
+  if (http->data_encoding == HTTP_ENCODE_CHUNKED)
+    if (httpPrintf(http, "\r\n") < 0)
+      return (-1);
+
+  if (http->data_remaining == 0 && http->data_encoding == HTTP_ENCODE_LENGTH)
+  {
+   /*
+    * Finished with the transfer; unless we are sending POST data, go idle...
+    */
+
+    DEBUG_puts("httpWrite: changing states...");
+
+    if (http->state == HTTP_POST_RECV)
+      http->state ++;
+    else
+      http->state = HTTP_WAITING;
+  }
+
+  DEBUG_printf(("httpWrite: wrote %d bytes...\n", tbytes));
+
+  return (tbytes);
+}
+
+
+/*
+ * 'httpGets()' - Get a line of text from a HTTP connection.
+ */
+
+char *					/* O - Line or NULL */
+httpGets(char   *line,			/* I - Line to read into */
+         int    length,			/* I - Max length of buffer */
+	 http_t *http)			/* I - HTTP data */
+{
+  char	*lineptr,			/* Pointer into line */
+	*bufptr,			/* Pointer into input buffer */
+	*bufend;			/* Pointer to end of buffer */
+  int	bytes;				/* Number of bytes read */
+
+
+  DEBUG_printf(("httpGets(%08x, %d, %08x)\n", line, length, http));
+
+  if (http == NULL || line == NULL)
+    return (NULL);
+
+ /*
+  * Pre-scan the buffer and see if there is a newline in there...
+  */
+
+#ifdef WIN32
+  WSASetLastError(0);
+#else
+  errno = 0;
+#endif /* WIN32 */
+
+  do
+  {
+    bufptr  = http->buffer;
+    bufend  = http->buffer + http->used;
+
+    while (bufptr < bufend)
+      if (*bufptr == 0x0a)
+	break;
+      else
+	bufptr ++;
+
+    if (bufptr >= bufend && http->used < HTTP_MAX_BUFFER)
+    {
+     /*
+      * No newline; see if there is more data to be read...
+      */
+
+#ifdef HAVE_LIBSSL
+      if (http->tls)
+        bytes = SSL_read((SSL *)(http->tls), bufend,
+	                 HTTP_MAX_BUFFER - http->used);
+      else
+#endif /* HAVE_LIBSSL */
+      bytes = recv(http->fd, bufend, HTTP_MAX_BUFFER - http->used, 0);
+
+      if (bytes < 0)
+      {
+       /*
+	* Nope, can't get a line this time...
+	*/
+
+#ifdef WIN32
+        if (WSAGetLastError() != http->error)
+	{
+	  http->error = WSAGetLastError();
+	  continue;
+	}
+
+        DEBUG_printf(("httpGets(): recv() error %d!\n", WSAGetLastError()));
+#else
+        if (errno != http->error)
+	{
+	  http->error = errno;
+	  continue;
+	}
+
+        DEBUG_printf(("httpGets(): recv() error %d!\n", errno));
+#endif /* WIN32 */
+
+        return (NULL);
+      }
+      else if (bytes == 0)
+      {
+        if (http->blocking)
+	  http->error = EPIPE;
+
+        return (NULL);
+      }
+
+     /*
+      * Yup, update the amount used and the end pointer...
+      */
+
+      http->used += bytes;
+      bufend     += bytes;
+    }
+  }
+  while (bufptr >= bufend && http->used < HTTP_MAX_BUFFER);
+
+  http->activity = time(NULL);
+
+ /*
+  * Read a line from the buffer...
+  */
+    
+  lineptr = line;
+  bufptr  = http->buffer;
+  bytes   = 0;
+  length --;
+
+  while (bufptr < bufend && bytes < length)
+  {
+    bytes ++;
+
+    if (*bufptr == 0x0a)
+    {
+      bufptr ++;
+      break;
+    }
+    else if (*bufptr == 0x0d)
+      bufptr ++;
+    else
+      *lineptr++ = *bufptr++;
+  }
+
+  if (bytes > 0)
+  {
+    *lineptr = '\0';
+
+    http->used -= bytes;
+    if (http->used > 0)
+      memcpy(http->buffer, bufptr, http->used);
+
+    DEBUG_printf(("httpGets(): Returning \"%s\"\n", line));
+    return (line);
+  }
+
+  DEBUG_puts("httpGets(): No new line available!");
+
+  return (NULL);
+}
+
+
+/*
+ * 'httpPrintf()' - Print a formatted string to a HTTP connection.
+ */
+
+int					/* O - Number of bytes written */
+httpPrintf(http_t     *http,		/* I - HTTP data */
+           const char *format,		/* I - printf-style format string */
+	   ...)				/* I - Additional args as needed */
+{
+  int		bytes,			/* Number of bytes to write */
+		nbytes,			/* Number of bytes written */
+		tbytes;			/* Number of bytes all together */
+  char		buf[HTTP_MAX_BUFFER],	/* Buffer for formatted string */
+		*bufptr;		/* Pointer into buffer */
+  va_list	ap;			/* Variable argument pointer */
+
+
+  va_start(ap, format);
+  bytes = vsnprintf(buf, sizeof(buf), format, ap);
+  va_end(ap);
+
+  DEBUG_printf(("httpPrintf: %s", buf));
+
+  for (tbytes = 0, bufptr = buf; tbytes < bytes; tbytes += nbytes, bufptr += nbytes)
+  {
+#ifdef HAVE_LIBSSL
+    if (http->tls)
+      nbytes = SSL_write((SSL *)(http->tls), bufptr, bytes - tbytes);
+    else
+#endif /* HAVE_LIBSSL */
+    nbytes = send(http->fd, bufptr, bytes - tbytes, 0);
+
+    if (nbytes < 0)
+      return (-1);
+  }
+
+  return (bytes);
+}
+
+
+/*
+ * 'httpStatus()' - Return a short string describing a HTTP status code.
+ */
+
+const char *				/* O - String or NULL */
+httpStatus(http_status_t status)	/* I - HTTP status code */
+{
+  switch (status)
+  {
+    case HTTP_CONTINUE :
+        return ("Continue");
+    case HTTP_SWITCHING_PROTOCOLS :
+        return ("Switching Protocols");
+    case HTTP_OK :
+        return ("OK");
+    case HTTP_CREATED :
+        return ("Created");
+    case HTTP_ACCEPTED :
+        return ("Accepted");
+    case HTTP_NO_CONTENT :
+        return ("No Content");
+    case HTTP_NOT_MODIFIED :
+        return ("Not Modified");
+    case HTTP_BAD_REQUEST :
+        return ("Bad Request");
+    case HTTP_UNAUTHORIZED :
+        return ("Unauthorized");
+    case HTTP_FORBIDDEN :
+        return ("Forbidden");
+    case HTTP_NOT_FOUND :
+        return ("Not Found");
+    case HTTP_REQUEST_TOO_LARGE :
+        return ("Request Entity Too Large");
+    case HTTP_URI_TOO_LONG :
+        return ("URI Too Long");
+    case HTTP_UPGRADE_REQUIRED :
+        return ("Upgrade Required");
+    case HTTP_NOT_IMPLEMENTED :
+        return ("Not Implemented");
+    case HTTP_NOT_SUPPORTED :
+        return ("Not Supported");
+    default :
+        return ("Unknown");
+  }
+}
+
+
+/*
+ * 'httpGetDateString()' - Get a formatted date/time string from a time value.
+ */
+
+const char *				/* O - Date/time string */
+httpGetDateString(time_t t)		/* I - UNIX time */
+{
+  struct tm	*tdate;
+  static char	datetime[256];
+
+
+  tdate = gmtime(&t);
+  snprintf(datetime, sizeof(datetime), "%s, %02d %s %d %02d:%02d:%02d GMT",
+           days[tdate->tm_wday], tdate->tm_mday, months[tdate->tm_mon],
+	   tdate->tm_year + 1900, tdate->tm_hour, tdate->tm_min, tdate->tm_sec);
+
+  return (datetime);
+}
+
+
+/*
+ * 'httpGetDateTime()' - Get a time value from a formatted date/time string.
+ */
+
+time_t					/* O - UNIX time */
+httpGetDateTime(const char *s)		/* I - Date/time string */
+{
+  int		i;			/* Looping var */
+  struct tm	tdate;			/* Time/date structure */
+  char		mon[16];		/* Abbreviated month name */
+  int		day, year;		/* Day of month and year */
+  int		hour, min, sec;		/* Time */
+
+
+  if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6)
+    return (0);
+
+  for (i = 0; i < 12; i ++)
+    if (strcasecmp(mon, months[i]) == 0)
+      break;
+
+  if (i >= 12)
+    return (0);
+
+  tdate.tm_mon   = i;
+  tdate.tm_mday  = day;
+  tdate.tm_year  = year - 1900;
+  tdate.tm_hour  = hour;
+  tdate.tm_min   = min;
+  tdate.tm_sec   = sec;
+  tdate.tm_isdst = 0;
+
+  return (mktime(&tdate));
+}
+
+
+/*
+ * 'httpUpdate()' - Update the current HTTP state for incoming data.
+ */
+
+http_status_t				/* O - HTTP status */
+httpUpdate(http_t *http)		/* I - HTTP data */
+{
+  char		line[1024],		/* Line from connection... */
+		*value;			/* Pointer to value on line */
+  http_field_t	field;			/* Field index */
+  int		major, minor;		/* HTTP version numbers */
+  http_status_t	status;			/* Authorization status */
+#ifdef HAVE_LIBSSL
+  SSL_CTX	*context;		/* Context for encryption */
+  SSL		*conn;			/* Connection for encryption */
+#endif /* HAVE_LIBSSL */
+
+
+  DEBUG_printf(("httpUpdate(%08x)\n", http));
+
+ /*
+  * If we haven't issued any commands, then there is nothing to "update"...
+  */
+
+  if (http->state == HTTP_WAITING)
+    return (HTTP_CONTINUE);
+
+ /*
+  * Grab all of the lines we can from the connection...
+  */
+
+  while (httpGets(line, sizeof(line), http) != NULL)
+  {
+    DEBUG_puts(line);
+
+    if (line[0] == '\0')
+    {
+     /*
+      * Blank line means the start of the data section (if any).  Return
+      * the result code, too...
+      *
+      * If we get status 100 (HTTP_CONTINUE), then we *don't* change states.
+      * Instead, we just return HTTP_CONTINUE to the caller and keep on
+      * tryin'...
+      */
+
+      if (http->status == HTTP_CONTINUE)
+        return (http->status);
+
+#ifdef HAVE_LIBSSL
+      if (http->status == HTTP_SWITCHING_PROTOCOLS && !http->tls)
+      {
+	context = SSL_CTX_new(SSLv23_method());
+	conn    = SSL_new(context);
+
+	SSL_set_fd(conn, http->fd);
+	if (SSL_connect(conn) != 1)
+	{
+	  SSL_CTX_free(context);
+	  SSL_free(conn);
+
+#ifdef WIN32
+	  http->error  = WSAGetLastError();
+#else
+	  http->error  = errno;
+#endif /* WIN32 */
+	  http->status = HTTP_ERROR;
+
+#ifdef WIN32
+	  closesocket(http->fd);
+#else
+	  close(http->fd);
+#endif
+
+	  return (HTTP_ERROR);
+	}
+
+	http->tls = conn;
+
+        return (HTTP_CONTINUE);
+      }
+#endif /* HAVE_LIBSSL */
+
+      httpGetLength(http);
+
+      switch (http->state)
+      {
+        case HTTP_GET :
+	case HTTP_POST :
+	case HTTP_POST_RECV :
+	case HTTP_PUT :
+	    http->state ++;
+	    break;
+
+	default :
+	    http->state = HTTP_WAITING;
+	    break;
+      }
+
+      return (http->status);
+    }
+    else if (strncmp(line, "HTTP/", 5) == 0)
+    {
+     /*
+      * Got the beginning of a response...
+      */
+
+      if (sscanf(line, "HTTP/%d.%d%d", &major, &minor, (int *)&status) != 3)
+        return (HTTP_ERROR);
+
+      http->version = (http_version_t)(major * 100 + minor);
+      http->status  = status;
+    }
+    else if ((value = strchr(line, ':')) != NULL)
+    {
+     /*
+      * Got a value...
+      */
+
+      *value++ = '\0';
+      while (isspace(*value))
+        value ++;
+
+     /*
+      * Be tolerants of servers that send unknown attribute fields...
+      */
+
+      if ((field = http_field(line)) == HTTP_FIELD_UNKNOWN)
+      {
+        DEBUG_printf(("httpUpdate: unknown field %s seen!\n", line));
+        continue;
+      }
+
+      httpSetField(http, field, value);
+    }
+    else
+    {
+      http->status = HTTP_ERROR;
+      return (HTTP_ERROR);
+    }
+  }
+
+ /*
+  * See if there was an error...
+  */
+
+  if (http->error)
+  {
+    http->status = HTTP_ERROR;
+    return (HTTP_ERROR);
+  }
+
+ /*
+  * If we haven't already returned, then there is nothing new...
+  */
+
+  return (HTTP_CONTINUE);
+}
+
+
+/*
+ * 'httpDecode64()' - Base64-decode a string.
+ */
+
+char *				/* O - Decoded string */
+httpDecode64(char       *out,	/* I - String to write to */
+             const char *in)	/* I - String to read from */
+{
+  int	pos,			/* Bit position */
+	base64;			/* Value of this character */
+  char	*outptr;		/* Output pointer */
+
+
+  for (outptr = out, pos = 0; *in != '\0'; in ++)
+  {
+   /*
+    * Decode this character into a number from 0 to 63...
+    */
+
+    if (*in >= 'A' && *in <= 'Z')
+      base64 = *in - 'A';
+    else if (*in >= 'a' && *in <= 'z')
+      base64 = *in - 'a' + 26;
+    else if (*in >= '0' && *in <= '9')
+      base64 = *in - '0' + 52;
+    else if (*in == '+')
+      base64 = 62;
+    else if (*in == '/')
+      base64 = 63;
+    else if (*in == '=')
+      break;
+    else
+      continue;
+
+   /*
+    * Store the result in the appropriate chars...
+    */
+
+    switch (pos)
+    {
+      case 0 :
+          *outptr = base64 << 2;
+	  pos ++;
+	  break;
+      case 1 :
+          *outptr++ |= (base64 >> 4) & 3;
+	  *outptr = (base64 << 4) & 255;
+	  pos ++;
+	  break;
+      case 2 :
+          *outptr++ |= (base64 >> 2) & 15;
+	  *outptr = (base64 << 6) & 255;
+	  pos ++;
+	  break;
+      case 3 :
+          *outptr++ |= base64;
+	  pos = 0;
+	  break;
+    }
+  }
+
+  *outptr = '\0';
+
+ /*
+  * Return the decoded string...
+  */
+
+  return (out);
+}
+
+
+/*
+ * 'httpEncode64()' - Base64-encode a string.
+ */
+
+char *				/* O - Encoded string */
+httpEncode64(char       *out,	/* I - String to write to */
+             const char *in)	/* I - String to read from */
+{
+  char		*outptr;	/* Output pointer */
+  static char	base64[] =	/* Base64 characters... */
+  		{
+		  "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		  "abcdefghijklmnopqrstuvwxyz"
+		  "0123456789"
+		  "+/"
+  		};
+
+
+  for (outptr = out; *in != '\0'; in ++)
+  {
+   /*
+    * Encode the up to 3 characters as 4 Base64 numbers...
+    */
+
+    *outptr ++ = base64[in[0] >> 2];
+    *outptr ++ = base64[((in[0] << 4) | (in[1] >> 4)) & 63];
+
+    in ++;
+    if (*in == '\0')
+    {
+      *outptr ++ = '=';
+      break;
+    }
+
+    *outptr ++ = base64[((in[0] << 2) | (in[1] >> 6)) & 63];
+
+    in ++;
+    if (*in == '\0')
+      break;
+
+    *outptr ++ = base64[in[0] & 63];
+  }
+
+  *outptr ++ = '=';
+  *outptr = '\0';
+
+ /*
+  * Return the encoded string...
+  */
+
+  return (out);
+}
+
+
+/*
+ * 'httpGetLength()' - Get the amount of data remaining from the
+ *                     content-length or transfer-encoding fields.
+ */
+
+int				/* O - Content length */
+httpGetLength(http_t *http)	/* I - HTTP data */
+{
+  DEBUG_printf(("httpGetLength(%08x)\n", http));
+
+  if (strcasecmp(http->fields[HTTP_FIELD_TRANSFER_ENCODING], "chunked") == 0)
+  {
+    DEBUG_puts("httpGetLength: chunked request!");
+
+    http->data_encoding  = HTTP_ENCODE_CHUNKED;
+    http->data_remaining = 0;
+  }
+  else
+  {
+    http->data_encoding = HTTP_ENCODE_LENGTH;
+
+   /*
+    * The following is a hack for HTTP servers that don't send a
+    * content-length or transfer-encoding field...
+    *
+    * If there is no content-length then the connection must close
+    * after the transfer is complete...
+    */
+
+    if (http->fields[HTTP_FIELD_CONTENT_LENGTH][0] == '\0')
+      http->data_remaining = 2147483647;
+    else
+      http->data_remaining = atoi(http->fields[HTTP_FIELD_CONTENT_LENGTH]);
+
+    DEBUG_printf(("httpGetLength: content_length = %d\n", http->data_remaining));
+  }
+
+  return (http->data_remaining);
+}
+
+
+/*
+ * 'http_field()' - Return the field index for a field name.
+ */
+
+static http_field_t		/* O - Field index */
+http_field(const char *name)	/* I - String name */
+{
+  int	i;			/* Looping var */
+
+
+  for (i = 0; i < HTTP_FIELD_MAX; i ++)
+    if (strcasecmp(name, http_fields[i]) == 0)
+      return ((http_field_t)i);
+
+  return (HTTP_FIELD_UNKNOWN);
+}
+
+
+/*
+ * 'http_send()' - Send a request with all fields and the trailing blank line.
+ */
+
+static int			/* O - 0 on success, non-zero on error */
+http_send(http_t       *http,	/* I - HTTP data */
+          http_state_t request,	/* I - Request code */
+	  const char   *uri)	/* I - URI */
+{
+  int		i;		/* Looping var */
+  char		*ptr,		/* Pointer in buffer */
+		buf[1024];	/* Encoded URI buffer */
+  static const char *codes[] =	/* Request code strings */
+		{
+		  NULL,
+		  "OPTIONS",
+		  "GET",
+		  NULL,
+		  "HEAD",
+		  "POST",
+		  NULL,
+		  NULL,
+		  "PUT",
+		  NULL,
+		  "DELETE",
+		  "TRACE",
+		  "CLOSE"
+		};
+  static const char *hex = "0123456789ABCDEF";
+				/* Hex digits */
+
+
+  if (http == NULL || uri == NULL)
+    return (-1);
+
+ /*
+  * Encode the URI as needed...
+  */
+
+  for (ptr = buf; *uri != '\0' && ptr < (buf + sizeof(buf) - 1); uri ++)
+    if (*uri <= ' ' || *uri >= 127)
+    {
+      if (ptr < (buf + sizeof(buf) - 1))
+        *ptr ++ = '%';
+      if (ptr < (buf + sizeof(buf) - 1))
+        *ptr ++ = hex[(*uri >> 4) & 15];
+      if (ptr < (buf + sizeof(buf) - 1))
+        *ptr ++ = hex[*uri & 15];
+    }
+    else
+      *ptr ++ = *uri;
+
+  *ptr = '\0';
+
+ /*
+  * See if we had an error the last time around; if so, reconnect...
+  */
+
+  if (http->status == HTTP_ERROR || http->status >= HTTP_BAD_REQUEST)
+    httpReconnect(http);
+
+ /*
+  * Send the request header...
+  */
+
+  http->state = request;
+  if (request == HTTP_POST || request == HTTP_PUT)
+    http->state ++;
+
+  http->status = HTTP_CONTINUE;
+
+#ifdef HAVE_LIBSSL
+  if (http->encryption == HTTP_ENCRYPT_REQUIRED && !http->tls)
+  {
+    httpSetField(http, HTTP_FIELD_CONNECTION, "Upgrade");
+    httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.0,SSL/2.0,SSL/3.0");
+  }
+#endif /* HAVE_LIBSSL */
+
+  if (httpPrintf(http, "%s %s HTTP/1.1\r\n", codes[request], buf) < 1)
+  {
+    http->status = HTTP_ERROR;
+    return (-1);
+  }
+
+  for (i = 0; i < HTTP_FIELD_MAX; i ++)
+    if (http->fields[i][0] != '\0')
+    {
+      DEBUG_printf(("%s: %s\n", http_fields[i], http->fields[i]));
+
+      if (httpPrintf(http, "%s: %s\r\n", http_fields[i], http->fields[i]) < 1)
+      {
+	http->status = HTTP_ERROR;
+	return (-1);
+      }
+    }
+
+  if (httpPrintf(http, "\r\n") < 1)
+  {
+    http->status = HTTP_ERROR;
+    return (-1);
+  }
+
+  httpClearFields(http);
+
+  return (0);
+}
+
+
+#ifdef HAVE_LIBSSL
+/*
+ * 'http_upgrade()' - Force upgrade to TLS encryption.
+ */
+
+static int			/* O - Status of connection */
+http_upgrade(http_t *http)	/* I - HTTP data */
+{
+  int		ret;		/* Return value */
+  http_t	myhttp;		/* Local copy of HTTP data */
+
+
+  DEBUG_printf(("http_upgrade(%p)\n", http));
+
+ /*
+  * Copy the HTTP data to a local variable so we can do the OPTIONS
+  * request without interfering with the existing request data...
+  */
+
+  memcpy(&myhttp, http, sizeof(myhttp));
+
+ /*
+  * Send an OPTIONS request to the server, requiring SSL or TLS
+  * encryption on the link...
+  */
+
+  httpClearFields(&myhttp);
+  httpSetField(&myhttp, HTTP_FIELD_CONNECTION, "upgrade");
+  httpSetField(&myhttp, HTTP_FIELD_UPGRADE, "TLS/1.0, SSL/2.0, SSL/3.0");
+
+  if ((ret = httpOptions(&myhttp, "*")) == 0)
+  {
+   /*
+    * Wait for the secure connection...
+    */
+
+    while (httpUpdate(&myhttp) == HTTP_CONTINUE);
+  }
+
+  httpFlush(&myhttp);
+
+ /*
+  * Copy the HTTP data back over, if any...
+  */
+
+  http->fd         = myhttp.fd;
+  http->error      = myhttp.error;
+  http->activity   = myhttp.activity;
+  http->status     = myhttp.status;
+  http->version    = myhttp.version;
+  http->keep_alive = myhttp.keep_alive;
+  http->used       = myhttp.used;
+
+  if (http->used)
+    memcpy(http->buffer, myhttp.buffer, http->used);
+
+  http->auth_type   = myhttp.auth_type;
+  http->nonce_count = myhttp.nonce_count;
+
+  memcpy(http->nonce, myhttp.nonce, sizeof(http->nonce));
+
+  http->tls        = myhttp.tls;
+  http->encryption = myhttp.encryption;
+
+ /*
+  * See if we actually went secure...
+  */
+
+  if (!http->tls)
+  {
+   /*
+    * Server does not support HTTP upgrade...
+    */
+
+    DEBUG_puts("Server does not support HTTP upgrade!");
+
+#ifdef WIN32
+    closesocket(http->fd);
+#else
+    close(http->fd);
+#endif
+
+    http->fd = -1;
+
+    return (-1);
+  }
+  else
+    return (ret);
+}
+#endif /* HAVE_LIBSSL */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/http.h b/cups/http.h
new file mode 100644
index 000000000..d922d6a43
--- /dev/null
+++ b/cups/http.h
@@ -0,0 +1,345 @@
+/*
+ * "$Id$"
+ *
+ *   Hyper-Text Transport Protocol definitions for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _CUPS_HTTP_H_
+#  define _CUPS_HTTP_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <string.h>
+#  include <time.h>
+#  ifdef WIN32
+#    include <winsock.h>
+#  else
+#    include <unistd.h>
+#    include <sys/time.h>
+#    include <sys/types.h>
+#    include <sys/socket.h>
+#    include <netdb.h>
+#    include <netinet/in.h>
+#    include <arpa/inet.h>
+#    include <netinet/in_systm.h>
+#    include <netinet/ip.h>
+#    include <netinet/tcp.h>
+#  endif /* WIN32 */
+
+#  include "md5.h"
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+
+/*
+ * Limits...
+ */
+
+#  define HTTP_MAX_URI		1024	/* Max length of URI string */
+#  define HTTP_MAX_HOST		256	/* Max length of hostname string */
+#  define HTTP_MAX_BUFFER	2048	/* Max length of data buffer */
+#  define HTTP_MAX_VALUE	256	/* Max header field value length */
+
+
+/*
+ * HTTP state values...
+ */
+
+typedef enum			/* States are server-oriented */
+{
+  HTTP_WAITING,			/* Waiting for command */
+  HTTP_OPTIONS,			/* OPTIONS command, waiting for blank line */
+  HTTP_GET,			/* GET command, waiting for blank line */
+  HTTP_GET_SEND,		/* GET command, sending data */
+  HTTP_HEAD,			/* HEAD command, waiting for blank line */
+  HTTP_POST,			/* POST command, waiting for blank line */
+  HTTP_POST_RECV,		/* POST command, receiving data */
+  HTTP_POST_SEND,		/* POST command, sending data */
+  HTTP_PUT,			/* PUT command, waiting for blank line */
+  HTTP_PUT_RECV,		/* PUT command, receiving data */
+  HTTP_DELETE,			/* DELETE command, waiting for blank line */
+  HTTP_TRACE,			/* TRACE command, waiting for blank line */
+  HTTP_CLOSE,			/* CLOSE command, waiting for blank line */
+  HTTP_STATUS			/* Command complete, sending status */
+} http_state_t;
+
+
+/*
+ * HTTP version numbers...
+ */
+
+typedef enum
+{
+  HTTP_0_9 = 9,			/* HTTP/0.9 */
+  HTTP_1_0 = 100,		/* HTTP/1.0 */
+  HTTP_1_1 = 101		/* HTTP/1.1 */
+} http_version_t;
+
+
+/*
+ * HTTP keep-alive values...
+ */
+
+typedef enum
+{
+  HTTP_KEEPALIVE_OFF = 0,
+  HTTP_KEEPALIVE_ON
+} http_keepalive_t;
+
+
+/*
+ * HTTP transfer encoding values...
+ */
+
+typedef enum
+{
+  HTTP_ENCODE_LENGTH,		/* Data is sent with Content-Length */
+  HTTP_ENCODE_CHUNKED		/* Data is chunked */
+} http_encoding_t;
+
+
+/*
+ * HTTP encryption values...
+ */
+
+typedef enum
+{
+  HTTP_ENCRYPT_IF_REQUESTED,	/* Encrypt if requested (TLS upgrade) */
+  HTTP_ENCRYPT_NEVER,		/* Never encrypt */
+  HTTP_ENCRYPT_REQUIRED,	/* Encryption is required (TLS upgrade) */
+  HTTP_ENCRYPT_ALWAYS		/* Always encrypt (SSL) */
+} http_encryption_t;
+
+
+/*
+ * HTTP authentication types...
+ */
+
+typedef enum
+{
+  HTTP_AUTH_NONE,		/* No authentication in use */
+  HTTP_AUTH_BASIC,		/* Basic authentication in use */
+  HTTP_AUTH_MD5,		/* Digest authentication in use */
+  HTTP_AUTH_MD5_SESS,		/* MD5-session authentication in use */
+  HTTP_AUTH_MD5_INT,		/* Digest authentication in use for body */
+  HTTP_AUTH_MD5_SESS_INT	/* MD5-session authentication in use for body */
+} http_auth_t;
+
+
+/*
+ * HTTP status codes...
+ */
+
+typedef enum
+{
+  HTTP_ERROR = -1,		/* An error response from httpXxxx() */
+
+  HTTP_CONTINUE = 100,		/* Everything OK, keep going... */
+  HTTP_SWITCHING_PROTOCOLS,	/* HTTP upgrade to TLS/SSL */
+
+  HTTP_OK = 200,		/* OPTIONS/GET/HEAD/POST/TRACE command was successful */
+  HTTP_CREATED,			/* PUT command was successful */
+  HTTP_ACCEPTED,		/* DELETE command was successful */
+  HTTP_NOT_AUTHORITATIVE,	/* Information isn't authoritative */
+  HTTP_NO_CONTENT,		/* Successful command, no new data */
+  HTTP_RESET_CONTENT,		/* Content was reset/recreated */
+  HTTP_PARTIAL_CONTENT,		/* Only a partial file was recieved/sent */
+
+  HTTP_MULTIPLE_CHOICES = 300,	/* Multiple files match request */
+  HTTP_MOVED_PERMANENTLY,	/* Document has moved permanently */
+  HTTP_MOVED_TEMPORARILY,	/* Document has moved temporarily */
+  HTTP_SEE_OTHER,		/* See this other link... */
+  HTTP_NOT_MODIFIED,		/* File not modified */
+  HTTP_USE_PROXY,		/* Must use a proxy to access this URI */
+
+  HTTP_BAD_REQUEST = 400,	/* Bad request */
+  HTTP_UNAUTHORIZED,		/* Unauthorized to access host */
+  HTTP_PAYMENT_REQUIRED,	/* Payment required */
+  HTTP_FORBIDDEN,		/* Forbidden to access this URI */
+  HTTP_NOT_FOUND,		/* URI was not found */
+  HTTP_METHOD_NOT_ALLOWED,	/* Method is not allowed */
+  HTTP_NOT_ACCEPTABLE,		/* Not Acceptable */
+  HTTP_PROXY_AUTHENTICATION,	/* Proxy Authentication is Required */
+  HTTP_REQUEST_TIMEOUT,		/* Request timed out */
+  HTTP_CONFLICT,		/* Request is self-conflicting */
+  HTTP_GONE,			/* Server has gone away */
+  HTTP_LENGTH_REQUIRED,		/* A content length or encoding is required */
+  HTTP_PRECONDITION,		/* Precondition failed */
+  HTTP_REQUEST_TOO_LARGE,	/* Request entity too large */
+  HTTP_URI_TOO_LONG,		/* URI too long */
+  HTTP_UNSUPPORTED_MEDIATYPE,	/* The requested media type is unsupported */
+  HTTP_UPGRADE_REQUIRED = 426,	/* Upgrade to SSL/TLS required */
+
+  HTTP_SERVER_ERROR = 500,	/* Internal server error */
+  HTTP_NOT_IMPLEMENTED,		/* Feature not implemented */
+  HTTP_BAD_GATEWAY,		/* Bad gateway */
+  HTTP_SERVICE_UNAVAILABLE,	/* Service is unavailable */
+  HTTP_GATEWAY_TIMEOUT,		/* Gateway connection timed out */
+  HTTP_NOT_SUPPORTED		/* HTTP version not supported */
+} http_status_t;
+
+
+/*
+ * HTTP field names...
+ */
+
+typedef enum
+{
+  HTTP_FIELD_UNKNOWN = -1,
+  HTTP_FIELD_ACCEPT_LANGUAGE,
+  HTTP_FIELD_ACCEPT_RANGES,
+  HTTP_FIELD_AUTHORIZATION,
+  HTTP_FIELD_CONNECTION,
+  HTTP_FIELD_CONTENT_ENCODING,
+  HTTP_FIELD_CONTENT_LANGUAGE,
+  HTTP_FIELD_CONTENT_LENGTH,
+  HTTP_FIELD_CONTENT_LOCATION,
+  HTTP_FIELD_CONTENT_MD5,
+  HTTP_FIELD_CONTENT_RANGE,
+  HTTP_FIELD_CONTENT_TYPE,
+  HTTP_FIELD_CONTENT_VERSION,
+  HTTP_FIELD_DATE,
+  HTTP_FIELD_HOST,
+  HTTP_FIELD_IF_MODIFIED_SINCE,
+  HTTP_FIELD_IF_UNMODIFIED_SINCE,
+  HTTP_FIELD_KEEP_ALIVE,
+  HTTP_FIELD_LAST_MODIFIED,
+  HTTP_FIELD_LINK,
+  HTTP_FIELD_LOCATION,
+  HTTP_FIELD_RANGE,
+  HTTP_FIELD_REFERER,
+  HTTP_FIELD_RETRY_AFTER,
+  HTTP_FIELD_TRANSFER_ENCODING,
+  HTTP_FIELD_UPGRADE,
+  HTTP_FIELD_USER_AGENT,
+  HTTP_FIELD_WWW_AUTHENTICATE,
+  HTTP_FIELD_MAX
+} http_field_t;
+  
+
+/*
+ * HTTP connection structure...
+ */
+
+typedef struct
+{
+  int			fd;		/* File descriptor for this socket */
+  int			blocking;	/* To block or not to block */
+  int			error;		/* Last error on read */
+  time_t		activity;	/* Time since last read/write */
+  http_state_t		state;		/* State of client */
+  http_status_t		status;		/* Status of last request */
+  http_version_t	version;	/* Protocol version */
+  http_keepalive_t	keep_alive;	/* Keep-alive supported? */
+  struct sockaddr_in	hostaddr;	/* Address of connected host */
+  char			hostname[HTTP_MAX_HOST],
+  					/* Name of connected host */
+			fields[HTTP_FIELD_MAX][HTTP_MAX_VALUE];
+					/* Field values */
+  char			*data;		/* Pointer to data buffer */
+  http_encoding_t	data_encoding;	/* Chunked or not */
+  int			data_remaining;	/* Number of bytes left */
+  int			used;		/* Number of bytes used in buffer */
+  char			buffer[HTTP_MAX_BUFFER];
+					/* Buffer for messages */
+  int			auth_type;	/* Authentication in use */
+  md5_state_t		md5_state;	/* MD5 state */
+  char			nonce[HTTP_MAX_VALUE];
+					/* Nonce value */
+  int			nonce_count;	/* Nonce count */
+  void			*tls;		/* TLS state information */
+  http_encryption_t	encryption;	/* Encryption requirements */
+} http_t;
+
+
+/*
+ * Prototypes...
+ */
+
+#  define		httpBlocking(http,b)	(http)->blocking = (b)
+extern int		httpCheck(http_t *http);
+#  define		httpClearFields(http)	memset((http)->fields, 0, sizeof((http)->fields)),\
+						httpSetField((http), HTTP_FIELD_HOST, (http)->hostname)
+extern void		httpClose(http_t *http);
+extern http_t		*httpConnect(const char *host, int port);
+extern http_t		*httpConnectEncrypt(const char *host, int port,
+			                    http_encryption_t encrypt);
+extern int		httpDelete(http_t *http, const char *uri);
+extern int		httpEncryption(http_t *http, http_encryption_t e);
+#  define		httpError(http) ((http)->error)
+extern void		httpFlush(http_t *http);
+extern int		httpGet(http_t *http, const char *uri);
+extern char		*httpGets(char *line, int length, http_t *http);
+extern const char	*httpGetDateString(time_t t);
+extern time_t		httpGetDateTime(const char *s);
+#  define		httpGetField(http,field)	(http)->fields[field]
+extern struct hostent	*httpGetHostByName(const char *name);
+extern char		*httpGetSubField(http_t *http, http_field_t field,
+			                 const char *name, char *value);
+extern int		httpHead(http_t *http, const char *uri);
+extern void		httpInitialize(void);
+extern int		httpOptions(http_t *http, const char *uri);
+extern int		httpPost(http_t *http, const char *uri);
+extern int		httpPrintf(http_t *http, const char *format, ...);
+extern int		httpPut(http_t *http, const char *uri);
+extern int		httpRead(http_t *http, char *buffer, int length);
+extern int		httpReconnect(http_t *http);
+extern void		httpSeparate(const char *uri, char *method,
+			             char *username, char *host, int *port,
+				     char *resource);
+extern void		httpSetField(http_t *http, http_field_t field,
+			             const char *value);
+extern const char	*httpStatus(http_status_t status);
+extern int		httpTrace(http_t *http, const char *uri);
+extern http_status_t	httpUpdate(http_t *http);
+extern int		httpWrite(http_t *http, const char *buffer, int length);
+extern char		*httpEncode64(char *out, const char *in);
+extern char		*httpDecode64(char *out, const char *in);
+extern int		httpGetLength(http_t *http);
+extern char		*httpMD5(const char *, const char *, const char *,
+			         char [33]);
+extern char		*httpMD5Final(const char *, const char *, const char *,
+			              char [33]);
+extern char		*httpMD5String(const md5_byte_t *, char [33]);
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+#endif /* !_CUPS_HTTP_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/ipp.c b/cups/ipp.c
new file mode 100644
index 000000000..73fa8df15
--- /dev/null
+++ b/cups/ipp.c
@@ -0,0 +1,2028 @@
+/*
+ * "$Id$"
+ *
+ *   Internet Printing Protocol support functions for the Common UNIX
+ *   Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ippAddBoolean()        - Add a boolean attribute to an IPP request.
+ *   ippAddBooleans()       - Add an array of boolean values.
+ *   ippAddDate()           - Add a date attribute to an IPP request.
+ *   ippAddInteger()        - Add a integer attribute to an IPP request.
+ *   ippAddIntegers()       - Add an array of integer values.
+ *   ippAddString()         - Add a language-encoded string to an IPP request.
+ *   ippAddStrings()        - Add language-encoded strings to an IPP request.
+ *   ippAddRange()          - Add a range of values to an IPP request.
+ *   ippAddRanges()         - Add ranges of values to an IPP request.
+ *   ippAddResolution()     - Add a resolution value to an IPP request.
+ *   ippAddResolutions()    - Add resolution values to an IPP request.
+ *   ippAddSeparator()      - Add a group separator to an IPP request.
+ *   ippDateToTime()        - Convert from RFC 1903 Date/Time format to UNIX
+ *                            time in seconds.
+ *   ippDelete()            - Delete an IPP request.
+ *   ippErrorString()       - Return a textual message for the given error
+ *                            message.
+ *   ippFindAttribute()     - Find a named attribute in a request...
+ *   ippFindNextAttribute() - Find the next named attribute in a request...
+ *   ippLength()            - Compute the length of an IPP request.
+ *   ippNew()               - Allocate a new IPP request.
+ *   ippPort()              - Return the default IPP port number.
+ *   ippRead()              - Read data for an IPP request.
+ *   ippSetPort()           - Set the default port number.
+ *   ippTimeToDate()        - Convert from UNIX time to RFC 1903 format.
+ *   ippWrite()             - Write data for an IPP request.
+ *   _ipp_add_attr()        - Add a new attribute to the request.
+ *   _ipp_free_attr()       - Free an attribute.
+ *   ipp_read()             - Semi-blocking read on a HTTP connection...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "string.h"
+#include "language.h"
+
+#include "ipp.h"
+#include "debug.h"
+#include <ctype.h>
+
+
+/*
+ * Local globals...
+ */
+
+static int	ipp_port = 0;
+
+
+/*
+ * Local functions...
+ */
+
+static int	ipp_read(http_t *http, unsigned char *buffer, int length);
+
+
+/*
+ * 'ippAddBoolean()' - Add a boolean attribute to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddBoolean(ipp_t      *ipp,		/* I - IPP request */
+              ipp_tag_t  group,		/* I - IPP group */
+              const char *name,		/* I - Name of attribute */
+              char       value)		/* I - Value of attribute */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  DEBUG_printf(("ippAddBoolean(%p, %02x, \'%s\', %d)\n", ipp, group, name, value));
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 1)) == NULL)
+    return (NULL);
+
+  attr->name              = strdup(name);
+  attr->group_tag         = group;
+  attr->value_tag         = IPP_TAG_BOOLEAN;
+  attr->values[0].boolean = value;
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddBooleans()' - Add an array of boolean values.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddBooleans(ipp_t      *ipp,		/* I - IPP request */
+               ipp_tag_t  group,	/* I - IPP group */
+	       const char *name,	/* I - Name of attribute */
+	       int        num_values,	/* I - Number of values */
+	       const char *values)	/* I - Values */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*attr;		/* New attribute */
+  ipp_value_t		*value;		/* Current value */
+
+
+  DEBUG_printf(("ippAddBooleans(%p, %02x, \'%s\', %d, %p)\n", ipp,
+                group, name, num_values, values));
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, num_values)) == NULL)
+    return (NULL);
+
+  attr->name      = strdup(name);
+  attr->group_tag = group;
+  attr->value_tag = IPP_TAG_BOOLEAN;
+
+  if (values != NULL)
+    for (i = 0, value = attr->values;
+	 i < num_values;
+	 i ++, value ++)
+      value->boolean = values[i];
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddDate()' - Add a date attribute to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddDate(ipp_t             *ipp,	/* I - IPP request */
+           ipp_tag_t         group,	/* I - IPP group */
+	   const char        *name,	/* I - Name of attribute */
+	   const ipp_uchar_t *value)	/* I - Value */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  DEBUG_printf(("ippAddDate(%p, %02x, \'%s\', %p)\n", ipp, group, name,
+                value));
+
+  if (ipp == NULL || name == NULL || value == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 1)) == NULL)
+    return (NULL);
+
+  attr->name      = strdup(name);
+  attr->group_tag = group;
+  attr->value_tag = IPP_TAG_DATE;
+  memcpy(attr->values[0].date, value, 11);
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddInteger()' - Add a integer attribute to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddInteger(ipp_t      *ipp,		/* I - IPP request */
+              ipp_tag_t  group,		/* I - IPP group */
+	      ipp_tag_t  type,		/* I - Type of attribute */
+              const char *name,		/* I - Name of attribute */
+              int        value)		/* I - Value of attribute */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  DEBUG_printf(("ippAddInteger(%p, %d, \'%s\', %d)\n", ipp, group, name,
+                value));
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 1)) == NULL)
+    return (NULL);
+
+  attr->name              = strdup(name);
+  attr->group_tag         = group;
+  attr->value_tag         = type;
+  attr->values[0].integer = value;
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddIntegers()' - Add an array of integer values.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddIntegers(ipp_t      *ipp,		/* I - IPP request */
+               ipp_tag_t  group,	/* I - IPP group */
+	       ipp_tag_t  type,		/* I - Type of attribute */
+	       const char *name,	/* I - Name of attribute */
+	       int        num_values,	/* I - Number of values */
+	       const int  *values)	/* I - Values */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*attr;		/* New attribute */
+  ipp_value_t		*value;		/* Current value */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, num_values)) == NULL)
+    return (NULL);
+
+  attr->name      = strdup(name);
+  attr->group_tag = group;
+  attr->value_tag = type;
+
+  if (values != NULL)
+    for (i = 0, value = attr->values;
+	 i < num_values;
+	 i ++, value ++)
+      value->integer = values[i];
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddString()' - Add a language-encoded string to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddString(ipp_t      *ipp,		/* I - IPP request */
+             ipp_tag_t  group,		/* I - IPP group */
+	     ipp_tag_t  type,		/* I - Type of attribute */
+             const char *name,		/* I - Name of attribute */
+             const char *charset,	/* I - Character set */
+             const char *value)		/* I - Value */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 1)) == NULL)
+    return (NULL);
+
+  attr->name                      = strdup(name);
+  attr->group_tag                 = group;
+  attr->value_tag                 = type;
+  attr->values[0].string.charset  = ((int)type & IPP_TAG_COPY) ? (char *)charset :
+                                    charset ? strdup(charset) : NULL;
+  attr->values[0].string.text     = ((int)type & IPP_TAG_COPY) ? (char *)value :
+                                    value ? strdup(value) : NULL;
+
+  if ((type == IPP_TAG_LANGUAGE || type == IPP_TAG_CHARSET) &&
+      attr->values[0].string.text)
+  {
+   /*
+    * Convert to lowercase and change _ to - as needed...
+    */
+
+    char *p;
+
+
+    for (p = attr->values[0].string.text; *p; p ++)
+      if (*p == '_')
+        *p = '-';
+      else
+        *p = tolower(*p);
+  }
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddStrings()' - Add language-encoded strings to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddStrings(ipp_t      *ipp,		/* I - IPP request */
+              ipp_tag_t  group,		/* I - IPP group */
+	      ipp_tag_t  type,		/* I - Type of attribute */
+	      const char *name,		/* I - Name of attribute */
+	      int        num_values,	/* I - Number of values */
+	      const char *charset,	/* I - Character set */
+	      const char **values)	/* I - Values */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*attr;		/* New attribute */
+  ipp_value_t		*value;		/* Current value */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, num_values)) == NULL)
+    return (NULL);
+
+  attr->name      = strdup(name);
+  attr->group_tag = group;
+  attr->value_tag = type;
+
+  for (i = 0, value = attr->values;
+       i < num_values;
+       i ++, value ++)
+  {
+    if (i == 0)
+      value->string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset :
+                                   charset ? strdup(charset) : NULL;
+    else
+      value->string.charset = attr->values[0].string.charset;
+
+    if (values != NULL)
+      value->string.text = ((int)type & IPP_TAG_COPY) ? (char *)values[i] :
+                                    strdup(values[i]);
+  }
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddRange()' - Add a range of values to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddRange(ipp_t      *ipp,		/* I - IPP request */
+            ipp_tag_t  group,		/* I - IPP group */
+	    const char *name,		/* I - Name of attribute */
+	    int        lower,		/* I - Lower value */
+	    int        upper)		/* I - Upper value */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 1)) == NULL)
+    return (NULL);
+
+  attr->name                  = strdup(name);
+  attr->group_tag             = group;
+  attr->value_tag             = IPP_TAG_RANGE;
+  attr->values[0].range.lower = lower;
+  attr->values[0].range.upper = upper;
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddRanges()' - Add ranges of values to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddRanges(ipp_t      *ipp,		/* I - IPP request */
+             ipp_tag_t  group,		/* I - IPP group */
+	     const char *name,		/* I - Name of attribute */
+	     int        num_values,	/* I - Number of values */
+	     const int  *lower,		/* I - Lower values */
+	     const int  *upper)		/* I - Upper values */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*attr;		/* New attribute */
+  ipp_value_t		*value;		/* Current value */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, num_values)) == NULL)
+    return (NULL);
+
+  attr->name                  = strdup(name);
+  attr->group_tag             = group;
+  attr->value_tag             = IPP_TAG_RANGE;
+
+  if (lower != NULL && upper != NULL)
+    for (i = 0, value = attr->values;
+	 i < num_values;
+	 i ++, value ++)
+    {
+      value->range.lower = lower[i];
+      value->range.upper = upper[i];
+    }
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddResolution()' - Add a resolution value to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddResolution(ipp_t      *ipp,	/* I - IPP request */
+        	 ipp_tag_t  group,	/* I - IPP group */
+		 const char *name,	/* I - Name of attribute */
+		 ipp_res_t  units,	/* I - Units for resolution */
+		 int        xres,	/* I - X resolution */
+		 int        yres)	/* I - Y resolution */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 1)) == NULL)
+    return (NULL);
+
+  attr->name                       = strdup(name);
+  attr->group_tag                  = group;
+  attr->value_tag                  = IPP_TAG_RESOLUTION;
+  attr->values[0].resolution.xres  = xres;
+  attr->values[0].resolution.yres  = yres;
+  attr->values[0].resolution.units = units;
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddResolutions()' - Add resolution values to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddResolutions(ipp_t      *ipp,	/* I - IPP request */
+        	  ipp_tag_t  group,	/* I - IPP group */
+		  const char *name,	/* I - Name of attribute */
+		  int        num_values,/* I - Number of values */
+		  ipp_res_t  units,	/* I - Units for resolution */
+		  const int  *xres,	/* I - X resolutions */
+		  const int  *yres)	/* I - Y resolutions */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*attr;		/* New attribute */
+  ipp_value_t		*value;		/* Current value */
+
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, num_values)) == NULL)
+    return (NULL);
+
+  attr->name                       = strdup(name);
+  attr->group_tag                  = group;
+  attr->value_tag                  = IPP_TAG_RESOLUTION;
+
+  if (xres != NULL && yres != NULL)
+    for (i = 0, value = attr->values;
+	 i < num_values;
+	 i ++, value ++)
+    {
+      value->resolution.xres  = xres[i];
+      value->resolution.yres  = yres[i];
+      value->resolution.units = units;
+    }
+
+  return (attr);
+}
+
+
+/*
+ * 'ippAddSeparator()' - Add a group separator to an IPP request.
+ */
+
+ipp_attribute_t *			/* O - New attribute */
+ippAddSeparator(ipp_t *ipp)		/* I - IPP request */
+{
+  ipp_attribute_t	*attr;		/* New attribute */
+
+
+  DEBUG_printf(("ippAddSeparator(%p)\n", ipp));
+
+  if (ipp == NULL)
+    return (NULL);
+
+  if ((attr = _ipp_add_attr(ipp, 0)) == NULL)
+    return (NULL);
+
+  attr->group_tag = IPP_TAG_ZERO;
+  attr->value_tag = IPP_TAG_ZERO;
+
+  return (attr);
+}
+
+
+/*
+ * 'ippDateToTime()' - Convert from RFC 1903 Date/Time format to UNIX time
+ *                     in seconds.
+ */
+
+time_t					/* O - UNIX time value */
+ippDateToTime(const ipp_uchar_t *date)	/* I - RFC 1903 date info */
+{
+  struct tm	unixdate;	/* UNIX date/time info */
+  time_t	t;		/* Computed time */
+
+
+  memset(&unixdate, 0, sizeof(unixdate));
+
+ /*
+  * RFC-1903 date/time format is:
+  *
+  *    Byte(s)  Description
+  *    -------  -----------
+  *    0-1      Year (0 to 65535)
+  *    2        Month (1 to 12)
+  *    3        Day (1 to 31)
+  *    4        Hours (0 to 23)
+  *    5        Minutes (0 to 59)
+  *    6        Seconds (0 to 60, 60 = "leap second")
+  *    7        Deciseconds (0 to 9)
+  *    8        +/- UTC
+  *    9        UTC hours (0 to 11)
+  *    10       UTC minutes (0 to 59)
+  */
+
+  unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900;
+  unixdate.tm_mon  = date[2] - 1;
+  unixdate.tm_mday = date[3];
+  unixdate.tm_hour = date[4];
+  unixdate.tm_min  = date[5];
+  unixdate.tm_sec  = date[6];
+
+  t = mktime(&unixdate);
+
+  if (date[8] == '-')
+    t += date[9] * 3600 + date[10] * 60;
+  else
+    t -= date[9] * 3600 + date[10] * 60;
+
+  return (t);
+}
+
+
+/*
+ * 'ippDelete()' - Delete an IPP request.
+ */
+
+void
+ippDelete(ipp_t *ipp)		/* I - IPP request */
+{
+  ipp_attribute_t	*attr,	/* Current attribute */
+			*next;	/* Next attribute */
+
+
+  DEBUG_printf(("ippDelete(): %p\n", ipp));
+
+  if (ipp == NULL)
+    return;
+
+  for (attr = ipp->attrs; attr != NULL; attr = next)
+  {
+    next = attr->next;
+    _ipp_free_attr(attr);
+  }
+
+  free(ipp);
+}
+
+
+/*
+ * 'ippErrorString()' - Return a textual message for the given error message.
+ */
+
+const char *				/* O - Text string */
+ippErrorString(ipp_status_t error)	/* I - Error status */
+{
+  static char	unknown[255];		/* Unknown error statuses */
+  static const char *status_oks[] =	/* "OK" status codes */
+		{
+		  "successful-ok",
+		  "successful-ok-ignored-or-substituted-attributes",
+		  "successful-ok-conflicting-attributes",
+		  "successful-ok-ignored-subscriptions",
+		  "successful-ok-ignored-notifications",
+		  "successful-ok-too-many-events",
+		  "successful-ok-but-cancel-subscription"
+		},
+		*status_400s[] =	/* Client errors */
+		{
+		  "client-error-bad-request",
+		  "client-error-forbidden",
+		  "client-error-not-authenticated",
+		  "client-error-not-authorized",
+		  "client-error-not-possible",
+		  "client-error-timeout",
+		  "client-error-not-found",
+		  "client-error-gone",
+		  "client-error-request-entity-too-large",
+		  "client-error-request-value-too-long",
+		  "client-error-document-format-not-supported",
+		  "client-error-attributes-or-values-not-supported",
+		  "client-error-uri-scheme-not-supported",
+		  "client-error-charset-not-supported",
+		  "client-error-conflicting-attributes",
+		  "client-error-compression-not-supported",
+		  "client-error-compression-error",
+		  "client-error-document-format-error",
+		  "client-error-document-access-error",
+		  "client-error-attributes-not-settable",
+		  "client-error-ignored-all-subscriptions",
+		  "client-error-too-many-subscriptions",
+		  "client-error-ignored-all-notifications",
+		  "client-error-print-support-file-not-found"
+		},
+		*status_500s[] =	/* Server errors */
+		{
+		  "server-error-internal-error",
+		  "server-error-operation-not-supported",
+		  "server-error-service-unavailable",
+		  "server-error-version-not-supported",
+		  "server-error-device-error",
+		  "server-error-temporary-error",
+		  "server-error-not-accepting-jobs",
+		  "server-error-busy",
+		  "server-error-job-canceled",
+		  "server-error-multiple-document-jobs-not-supported",
+		  "server-error-printer-is-deactivated"
+		};
+
+
+ /*
+  * See if the error code is a known value...
+  */
+
+  if (error >= IPP_OK && error <= IPP_OK_BUT_CANCEL_SUBSCRIPTION)
+    return (status_oks[error]);
+  else if (error == IPP_REDIRECTION_OTHER_SITE)
+    return ("redirection-other-site");
+  else if (error >= IPP_BAD_REQUEST && error <= IPP_PRINT_SUPPORT_FILE_NOT_FOUND)
+    return (status_400s[error - IPP_BAD_REQUEST]);
+  else if (error >= IPP_INTERNAL_ERROR && error <= IPP_PRINTER_IS_DEACTIVATED)
+    return (status_500s[error - IPP_INTERNAL_ERROR]);
+
+ /*
+  * No, build an "unknown-xxxx" error string...
+  */
+
+  sprintf(unknown, "unknown-%04x", error);
+
+  return (unknown);
+}
+
+
+/*
+ * 'ippFindAttribute()' - Find a named attribute in a request...
+ */
+
+ipp_attribute_t	*			/* O - Matching attribute */
+ippFindAttribute(ipp_t      *ipp,	/* I - IPP request */
+                 const char *name,	/* I - Name of attribute */
+		 ipp_tag_t  type)	/* I - Type of attribute */
+{
+  DEBUG_printf(("ippFindAttribute(%p, \'%s\')\n", ipp, name));
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+ /*
+  * Reset the current pointer...
+  */
+
+  ipp->current = NULL;
+
+ /*
+  * Search for the attribute...
+  */
+
+  return (ippFindNextAttribute(ipp, name, type));
+}
+
+
+/*
+ * 'ippFindNextAttribute()' - Find the next named attribute in a request...
+ */
+
+ipp_attribute_t	*			/* O - Matching attribute */
+ippFindNextAttribute(ipp_t      *ipp,	/* I - IPP request */
+                     const char *name,	/* I - Name of attribute */
+		     ipp_tag_t  type)	/* I - Type of attribute */
+{
+  ipp_attribute_t	*attr;		/* Current atttribute */
+  ipp_tag_t		value_tag;	/* Value tag */
+
+
+  DEBUG_printf(("ippFindNextAttribute(%p, \'%s\')\n", ipp, name));
+
+  if (ipp == NULL || name == NULL)
+    return (NULL);
+
+  if (ipp->current)
+    attr = ipp->current->next;
+  else
+    attr = ipp->attrs;
+
+  for (; attr != NULL; attr = attr->next)
+  {
+    DEBUG_printf(("ippFindAttribute: attr = %p, name = \'%s\'\n", attr,
+                  attr->name));
+
+    value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK);
+
+    if (attr->name != NULL && strcasecmp(attr->name, name) == 0 &&
+        (value_tag == type || type == IPP_TAG_ZERO ||
+	 (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) ||
+	 (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME)))
+    {
+      ipp->current = attr;
+
+      return (attr);
+    }
+  }
+
+  ipp->current = NULL;
+
+  return (NULL);
+}
+
+
+/*
+ * 'ippLength()' - Compute the length of an IPP request.
+ */
+
+size_t				/* O - Size of IPP request */
+ippLength(ipp_t *ipp)		/* I - IPP request */
+{
+  int			i;	/* Looping var */
+  int			bytes;	/* Number of bytes */
+  ipp_attribute_t	*attr;	/* Current attribute */
+  ipp_tag_t		group;	/* Current group */
+  ipp_value_t		*value;	/* Current value */
+
+
+  if (ipp == NULL)
+    return (0);
+
+ /*
+  * Start with 8 bytes for the IPP request or status header...
+  */
+
+  bytes = 8;
+
+ /*
+  * Then add the lengths of each attribute...
+  */
+
+  group = IPP_TAG_ZERO;
+
+  for (attr = ipp->attrs; attr != NULL; attr = attr->next)
+  {
+    if (attr->group_tag != group)
+    {
+      group = attr->group_tag;
+      if (group == IPP_TAG_ZERO)
+	continue;
+
+      bytes ++;	/* Group tag */
+    }
+
+    DEBUG_printf(("attr->name = %s, attr->num_values = %d, bytes = %d\n",
+                  attr->name, attr->num_values, bytes));
+
+    bytes += strlen(attr->name);	/* Name */
+    bytes += attr->num_values;		/* Value tag for each value */
+    bytes += 2 * attr->num_values;	/* Name lengths */
+    bytes += 2 * attr->num_values;	/* Value lengths */
+
+    switch (attr->value_tag & ~IPP_TAG_COPY)
+    {
+      case IPP_TAG_INTEGER :
+      case IPP_TAG_ENUM :
+          bytes += 4 * attr->num_values;
+	  break;
+
+      case IPP_TAG_BOOLEAN :
+          bytes += attr->num_values;
+	  break;
+
+      case IPP_TAG_TEXT :
+      case IPP_TAG_NAME :
+      case IPP_TAG_KEYWORD :
+      case IPP_TAG_STRING :
+      case IPP_TAG_URI :
+      case IPP_TAG_URISCHEME :
+      case IPP_TAG_CHARSET :
+      case IPP_TAG_LANGUAGE :
+      case IPP_TAG_MIMETYPE :
+	  for (i = 0, value = attr->values;
+	       i < attr->num_values;
+	       i ++, value ++)
+	    bytes += strlen(value->string.text);
+	  break;
+
+      case IPP_TAG_DATE :
+          bytes += 11 * attr->num_values;
+	  break;
+
+      case IPP_TAG_RESOLUTION :
+          bytes += 9 * attr->num_values;
+	  break;
+
+      case IPP_TAG_RANGE :
+          bytes += 8 * attr->num_values;
+	  break;
+
+      case IPP_TAG_TEXTLANG :
+      case IPP_TAG_NAMELANG :
+          bytes += 4 * attr->num_values;/* Charset + text length */
+	  for (i = 0, value = attr->values;
+	       i < attr->num_values;
+	       i ++, value ++)
+	    bytes += strlen(value->string.charset) +
+	             strlen(value->string.text);
+	  break;
+
+      default :
+	  for (i = 0, value = attr->values;
+	       i < attr->num_values;
+	       i ++, value ++)
+            bytes += attr->values[0].unknown.length;
+	  break;
+    }
+  }
+
+ /*
+  * Finally, add 1 byte for the "end of attributes" tag and return...
+  */
+
+  DEBUG_printf(("bytes = %d\n", bytes + 1));
+
+  return (bytes + 1);
+}
+
+
+/*
+ * 'ippNew()' - Allocate a new IPP request.
+ */
+
+ipp_t *				/* O - New IPP request */
+ippNew(void)
+{
+  ipp_t	*temp;			/* New IPP request */
+
+
+  if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL)
+  {
+   /*
+    * Default to IPP 1.1...
+    */
+
+    temp->request.any.version[0] = 1;
+    temp->request.any.version[1] = 1;
+  }
+
+  DEBUG_printf(("ippNew(): %p\n", temp));
+
+  return (temp);
+}
+
+
+/*
+ * 'ippRead()' - Read data for an IPP request.
+ */
+
+ipp_state_t			/* O - Current state */
+ippRead(http_t *http,		/* I - HTTP data */
+        ipp_t  *ipp)		/* I - IPP data */
+{
+  int			n;		/* Length of data */
+  unsigned char		buffer[8192],	/* Data buffer */
+			*bufptr;	/* Pointer into buffer */
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_tag_t		tag;		/* Current tag */
+  ipp_value_t		*value;		/* Current value */
+
+
+  DEBUG_printf(("ippRead(%p, %p)\n", http, ipp));
+
+  if (http == NULL || ipp == NULL)
+    return (IPP_ERROR);
+
+  switch (ipp->state)
+  {
+    case IPP_IDLE :
+        ipp->state ++; /* Avoid common problem... */
+
+    case IPP_HEADER :
+       /*
+        * Get the request header...
+	*/
+
+        if ((n = ipp_read(http, buffer, 8)) < 8)
+	{
+	  DEBUG_printf(("ippRead: Unable to read header (%d bytes read)!\n", n));
+	  return (n == 0 ? IPP_IDLE : IPP_ERROR);
+	}
+
+       /*
+        * Verify the major version number...
+	*/
+
+	if (buffer[0] != 1)
+	{
+	  DEBUG_printf(("ippRead: version number (%d.%d) is bad.\n", buffer[0],
+	                buffer[1]));
+	  return (IPP_ERROR);
+	}
+
+       /*
+        * Then copy the request header over...
+	*/
+
+        ipp->request.any.version[0]  = buffer[0];
+        ipp->request.any.version[1]  = buffer[1];
+        ipp->request.any.op_status   = (buffer[2] << 8) | buffer[3];
+        ipp->request.any.request_id  = (((((buffer[4] << 8) | buffer[5]) << 8) |
+	                               buffer[6]) << 8) | buffer[7];
+
+        ipp->state   = IPP_ATTRIBUTE;
+	ipp->current = NULL;
+	ipp->curtag  = IPP_TAG_ZERO;
+
+        DEBUG_printf(("ippRead: version=%d.%d\n", buffer[0], buffer[1]));
+	DEBUG_printf(("ippRead: op_status=%04x\n", ipp->request.any.op_status));
+	DEBUG_printf(("ippRead: request_id=%d\n", ipp->request.any.request_id));
+
+       /*
+        * If blocking is disabled, stop here...
+	*/
+
+        if (!http->blocking && http->used == 0)
+	  break;
+
+    case IPP_ATTRIBUTE :
+        while (ipp_read(http, buffer, 1) > 0)
+	{
+	 /*
+	  * Read this attribute...
+	  */
+
+          tag = (ipp_tag_t)buffer[0];
+
+	  if (tag == IPP_TAG_END)
+	  {
+	   /*
+	    * No more attributes left...
+	    */
+
+            DEBUG_puts("ippRead: IPP_TAG_END!");
+
+	    ipp->state = IPP_DATA;
+	    break;
+	  }
+          else if (tag < IPP_TAG_UNSUPPORTED_VALUE)
+	  {
+	   /*
+	    * Group tag...  Set the current group and continue...
+	    */
+
+            if (ipp->curtag == tag)
+	      ippAddSeparator(ipp);
+
+	    ipp->curtag  = tag;
+	    ipp->current = NULL;
+	    DEBUG_printf(("ippRead: group tag = %x\n", tag));
+	    continue;
+	  }
+
+          DEBUG_printf(("ippRead: value tag = %x\n", tag));
+
+         /*
+	  * Get the name...
+	  */
+
+          if (ipp_read(http, buffer, 2) < 2)
+	  {
+	    DEBUG_puts("ippRead: unable to read name length!");
+	    return (IPP_ERROR);
+	  }
+
+          n = (buffer[0] << 8) | buffer[1];
+
+          DEBUG_printf(("ippRead: name length = %d\n", n));
+
+          if (n == 0)
+	  {
+	   /*
+	    * More values for current attribute...
+	    */
+
+            if (ipp->current == NULL)
+	      return (IPP_ERROR);
+
+            attr = ipp->current;
+
+	   /*
+	    * Make sure we aren't adding a new value of a different
+	    * type...
+	    */
+
+	    if (attr->value_tag == IPP_TAG_STRING ||
+    		(attr->value_tag >= IPP_TAG_TEXTLANG &&
+		 attr->value_tag <= IPP_TAG_MIMETYPE))
+            {
+	     /*
+	      * String values can sometimes come across in different
+	      * forms; accept sets of differing values...
+	      */
+
+	      if (tag != IPP_TAG_STRING &&
+    		  (tag < IPP_TAG_TEXTLANG || tag > IPP_TAG_MIMETYPE))
+	        return (IPP_ERROR);
+            }
+	    else if (attr->value_tag != tag)
+	      return (IPP_ERROR);
+
+           /*
+	    * Finally, reallocate the attribute array as needed...
+	    */
+
+	    if ((attr->num_values % IPP_MAX_VALUES) == 0)
+	    {
+	      ipp_attribute_t	*temp,	/* Pointer to new buffer */
+				*ptr;	/* Pointer in attribute list */
+
+
+             /*
+	      * Reallocate memory...
+	      */
+
+              if ((temp = realloc(attr, sizeof(ipp_attribute_t) +
+	                                (attr->num_values + IPP_MAX_VALUES - 1) *
+					sizeof(ipp_value_t))) == NULL)
+	        return (IPP_ERROR);
+
+             /*
+	      * Reset pointers in the list...
+	      */
+
+	      for (ptr = ipp->attrs; ptr && ptr->next != attr; ptr = ptr->next);
+
+              if (ptr)
+	        ptr->next = temp;
+	      else
+	        ipp->attrs = temp;
+
+              attr = ipp->current = ipp->last = temp;
+	    }
+	  }
+	  else
+	  {
+	   /*
+	    * New attribute; read the name and add it...
+	    */
+
+	    if (ipp_read(http, buffer, n) < n)
+	    {
+	      DEBUG_puts("ippRead: unable to read name!");
+	      return (IPP_ERROR);
+	    }
+
+	    buffer[n] = '\0';
+	    DEBUG_printf(("ippRead: name = \'%s\'\n", buffer));
+
+	    attr = ipp->current = _ipp_add_attr(ipp, IPP_MAX_VALUES);
+
+	    attr->group_tag  = ipp->curtag;
+	    attr->value_tag  = tag;
+	    attr->name       = strdup((char *)buffer);
+	    attr->num_values = 0;
+	  }
+
+          value = attr->values + attr->num_values;
+
+	  if (ipp_read(http, buffer, 2) < 2)
+	  {
+	    DEBUG_puts("ippRead: unable to read value length!");
+	    return (IPP_ERROR);
+	  }
+
+	  n = (buffer[0] << 8) | buffer[1];
+          DEBUG_printf(("ippRead: value length = %d\n", n));
+
+	  switch (tag)
+	  {
+	    case IPP_TAG_INTEGER :
+	    case IPP_TAG_ENUM :
+	        if (ipp_read(http, buffer, 4) < 4)
+		  return (IPP_ERROR);
+
+		n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
+		    buffer[3];
+
+                value->integer = n;
+	        break;
+	    case IPP_TAG_BOOLEAN :
+	        if (ipp_read(http, buffer, 1) < 1)
+		  return (IPP_ERROR);
+
+                value->boolean = buffer[0];
+	        break;
+	    case IPP_TAG_TEXT :
+	    case IPP_TAG_NAME :
+	    case IPP_TAG_KEYWORD :
+	    case IPP_TAG_STRING :
+	    case IPP_TAG_URI :
+	    case IPP_TAG_URISCHEME :
+	    case IPP_TAG_CHARSET :
+	    case IPP_TAG_LANGUAGE :
+	    case IPP_TAG_MIMETYPE :
+                value->string.text = calloc(n + 1, 1);
+
+	        if (ipp_read(http, value->string.text, n) < n)
+		  return (IPP_ERROR);
+
+		DEBUG_printf(("ippRead: value = \'%s\'\n",
+		              value->string.text));
+	        break;
+	    case IPP_TAG_DATE :
+	        if (ipp_read(http, value->date, 11) < 11)
+		  return (IPP_ERROR);
+	        break;
+	    case IPP_TAG_RESOLUTION :
+	        if (ipp_read(http, buffer, 9) < 9)
+		  return (IPP_ERROR);
+
+                value->resolution.xres =
+		    (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
+		    buffer[3];
+                value->resolution.yres =
+		    (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) |
+		    buffer[7];
+                value->resolution.units =
+		    (ipp_res_t)buffer[8];
+	        break;
+	    case IPP_TAG_RANGE :
+	        if (ipp_read(http, buffer, 8) < 8)
+		  return (IPP_ERROR);
+
+                value->range.lower =
+		    (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
+		    buffer[3];
+                value->range.upper =
+		    (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) |
+		    buffer[7];
+	        break;
+	    case IPP_TAG_TEXTLANG :
+	    case IPP_TAG_NAMELANG :
+	        if (ipp_read(http, buffer, n) < n)
+		  return (IPP_ERROR);
+
+                bufptr = buffer;
+
+	       /*
+	        * text-with-language and name-with-language are composite
+		* values:
+		*
+		*    charset-length
+		*    charset
+		*    text-length
+		*    text
+		*/
+
+		n = (bufptr[0] << 8) | bufptr[1];
+
+                value->string.charset = calloc(n + 1, 1);
+
+		memcpy(value->string.charset,
+		       bufptr + 2, n);
+
+                bufptr += 2 + n;
+		n = (bufptr[0] << 8) | bufptr[1];
+
+                value->string.text = calloc(n + 1, 1);
+
+		memcpy(value->string.text,
+		       bufptr + 2, n);
+	        break;
+
+            default : /* Other unsupported values */
+                value->unknown.length = n;
+	        if (n > 0)
+		{
+		  value->unknown.data = malloc(n);
+	          if (ipp_read(http, value->unknown.data, n) < n)
+		    return (IPP_ERROR);
+		}
+		else
+		  value->unknown.data = NULL;
+	        break;
+	  }
+
+          attr->num_values ++;
+
+	 /*
+          * If blocking is disabled, stop here...
+	  */
+
+          if (!http->blocking && http->used == 0)
+	    break;
+	}
+        break;
+
+    case IPP_DATA :
+        break;
+
+    default :
+        break; /* anti-compiler-warning-code */
+  }
+
+  return (ipp->state);
+}
+
+
+/*
+ * 'ippTimeToDate()' - Convert from UNIX time to RFC 1903 format.
+ */
+
+const ipp_uchar_t *			/* O - RFC-1903 date/time data */
+ippTimeToDate(time_t t)			/* I - UNIX time value */
+{
+  struct tm		*unixdate;	/* UNIX unixdate/time info */
+  static ipp_uchar_t	date[11];	/* RFC-1903 date/time data */
+
+
+ /*
+  * RFC-1903 date/time format is:
+  *
+  *    Byte(s)  Description
+  *    -------  -----------
+  *    0-1      Year (0 to 65535)
+  *    2        Month (1 to 12)
+  *    3        Day (1 to 31)
+  *    4        Hours (0 to 23)
+  *    5        Minutes (0 to 59)
+  *    6        Seconds (0 to 60, 60 = "leap second")
+  *    7        Deciseconds (0 to 9)
+  *    8        +/- UTC
+  *    9        UTC hours (0 to 11)
+  *    10       UTC minutes (0 to 59)
+  */
+
+  unixdate = gmtime(&t);
+  unixdate->tm_year += 1900;
+
+  date[0]  = unixdate->tm_year >> 8;
+  date[1]  = unixdate->tm_year;
+  date[2]  = unixdate->tm_mon + 1;
+  date[3]  = unixdate->tm_mday;
+  date[4]  = unixdate->tm_hour;
+  date[5]  = unixdate->tm_min;
+  date[6]  = unixdate->tm_sec;
+  date[7]  = 0;
+  date[8]  = '+';
+  date[9]  = 0;
+  date[10] = 0;
+
+  return (date);
+}
+
+
+/*
+ * 'ippWrite()' - Write data for an IPP request.
+ */
+
+ipp_state_t			/* O - Current state */
+ippWrite(http_t *http,		/* I - HTTP data */
+         ipp_t  *ipp)		/* I - IPP data */
+{
+  int			i;		/* Looping var */
+  int			n;		/* Length of data */
+  unsigned char		buffer[8192],	/* Data buffer */
+			*bufptr;	/* Pointer into buffer */
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_value_t		*value;		/* Current value */
+
+
+  if (http == NULL || ipp == NULL)
+    return (IPP_ERROR);
+
+  switch (ipp->state)
+  {
+    case IPP_IDLE :
+        ipp->state ++; /* Avoid common problem... */
+
+    case IPP_HEADER :
+       /*
+        * Send the request header...
+	*/
+
+        bufptr = buffer;
+
+	*bufptr++ = ipp->request.any.version[0];
+	*bufptr++ = ipp->request.any.version[1];
+	*bufptr++ = ipp->request.any.op_status >> 8;
+	*bufptr++ = ipp->request.any.op_status;
+	*bufptr++ = ipp->request.any.request_id >> 24;
+	*bufptr++ = ipp->request.any.request_id >> 16;
+	*bufptr++ = ipp->request.any.request_id >> 8;
+	*bufptr++ = ipp->request.any.request_id;
+
+        if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	{
+	  DEBUG_puts("ippWrite: Could not write IPP header...");
+	  return (IPP_ERROR);
+	}
+
+        ipp->state   = IPP_ATTRIBUTE;
+	ipp->current = ipp->attrs;
+	ipp->curtag  = IPP_TAG_ZERO;
+
+        DEBUG_printf(("ippWrite: version=%d.%d\n", buffer[0], buffer[1]));
+	DEBUG_printf(("ippWrite: op_status=%04x\n", ipp->request.any.op_status));
+	DEBUG_printf(("ippWrite: request_id=%d\n", ipp->request.any.request_id));
+
+       /*
+        * If blocking is disabled, stop here...
+	*/
+
+        if (!http->blocking)
+	  break;
+
+    case IPP_ATTRIBUTE :
+        while (ipp->current != NULL)
+	{
+	 /*
+	  * Write this attribute...
+	  */
+
+	  bufptr = buffer;
+	  attr   = ipp->current;
+
+	  ipp->current = ipp->current->next;
+
+          if (ipp->curtag != attr->group_tag)
+	  {
+	   /*
+	    * Send a group operation tag...
+	    */
+
+	    ipp->curtag = attr->group_tag;
+
+            if (attr->group_tag == IPP_TAG_ZERO)
+	      continue;
+
+            DEBUG_printf(("ippWrite: wrote group tag = %x\n", attr->group_tag));
+	    *bufptr++ = attr->group_tag;
+	  }
+
+          if ((n = strlen(attr->name)) > (sizeof(buffer) - 3))
+	    return (IPP_ERROR);
+
+          DEBUG_printf(("ippWrite: writing value tag = %x\n", attr->value_tag));
+          DEBUG_printf(("ippWrite: writing name = %d, \'%s\'\n", n, attr->name));
+
+          *bufptr++ = attr->value_tag;
+	  *bufptr++ = n >> 8;
+	  *bufptr++ = n;
+	  memcpy(bufptr, attr->name, n);
+	  bufptr += n;
+
+	  switch (attr->value_tag & ~IPP_TAG_COPY)
+	  {
+	    case IPP_TAG_INTEGER :
+	    case IPP_TAG_ENUM :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 9)
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 4;
+		  *bufptr++ = value->integer >> 24;
+		  *bufptr++ = value->integer >> 16;
+		  *bufptr++ = value->integer >> 8;
+		  *bufptr++ = value->integer;
+		}
+		break;
+
+	    case IPP_TAG_BOOLEAN :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 6)
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 1;
+		  *bufptr++ = value->boolean;
+		}
+		break;
+
+	    case IPP_TAG_TEXT :
+	    case IPP_TAG_NAME :
+	    case IPP_TAG_KEYWORD :
+	    case IPP_TAG_STRING :
+	    case IPP_TAG_URI :
+	    case IPP_TAG_URISCHEME :
+	    case IPP_TAG_CHARSET :
+	    case IPP_TAG_LANGUAGE :
+	    case IPP_TAG_MIMETYPE :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+        	    DEBUG_printf(("ippWrite: writing value tag = %x\n",
+		                  attr->value_tag));
+        	    DEBUG_printf(("ippWrite: writing name = 0, \'\'\n"));
+
+                    if ((sizeof(buffer) - (bufptr - buffer)) < 3)
+		    {
+                      if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	              {
+	        	DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	        	return (IPP_ERROR);
+	              }
+
+		      bufptr = buffer;
+		    }
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+                  n = strlen(value->string.text);
+
+                  if (n > sizeof(buffer))
+		    return (IPP_ERROR);
+
+                  DEBUG_printf(("ippWrite: writing string = %d, \'%s\'\n", n,
+		                value->string.text));
+
+                  if ((sizeof(buffer) - (bufptr - buffer)) < (n + 2))
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+		  memcpy(bufptr, value->string.text, n);
+		  bufptr += n;
+		}
+		break;
+
+	    case IPP_TAG_DATE :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 16)
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 11;
+		  memcpy(bufptr, value->date, 11);
+		  bufptr += 11;
+		}
+		break;
+
+	    case IPP_TAG_RESOLUTION :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 14)
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 9;
+		  *bufptr++ = value->resolution.xres >> 24;
+		  *bufptr++ = value->resolution.xres >> 16;
+		  *bufptr++ = value->resolution.xres >> 8;
+		  *bufptr++ = value->resolution.xres;
+		  *bufptr++ = value->resolution.yres >> 24;
+		  *bufptr++ = value->resolution.yres >> 16;
+		  *bufptr++ = value->resolution.yres >> 8;
+		  *bufptr++ = value->resolution.yres;
+		  *bufptr++ = value->resolution.units;
+		}
+		break;
+
+	    case IPP_TAG_RANGE :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 13)
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 8;
+		  *bufptr++ = value->range.lower >> 24;
+		  *bufptr++ = value->range.lower >> 16;
+		  *bufptr++ = value->range.lower >> 8;
+		  *bufptr++ = value->range.lower;
+		  *bufptr++ = value->range.upper >> 24;
+		  *bufptr++ = value->range.upper >> 16;
+		  *bufptr++ = value->range.upper >> 8;
+		  *bufptr++ = value->range.upper;
+		}
+		break;
+
+	    case IPP_TAG_TEXTLANG :
+	    case IPP_TAG_NAMELANG :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    if ((sizeof(buffer) - (bufptr - buffer)) < 3)
+		    {
+                      if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	              {
+	        	DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	        	return (IPP_ERROR);
+	              }
+
+		      bufptr = buffer;
+		    }
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+                  n = strlen(value->string.charset) +
+		      strlen(value->string.text) +
+		      4;
+
+                  if (n > sizeof(buffer))
+		    return (IPP_ERROR);
+
+                  if ((sizeof(buffer) - (bufptr - buffer)) < (n + 2))
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+                 /* Length of entire value */
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Length of charset */
+                  n = strlen(value->string.charset);
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Charset */
+		  memcpy(bufptr, value->string.charset, n);
+		  bufptr += n;
+
+                 /* Length of text */
+                  n = strlen(value->string.text);
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Text */
+		  memcpy(bufptr, value->string.text, n);
+		  bufptr += n;
+		}
+		break;
+
+            default :
+	        for (i = 0, value = attr->values;
+		     i < attr->num_values;
+		     i ++, value ++)
+		{
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    if ((sizeof(buffer) - (bufptr - buffer)) < 3)
+		    {
+                      if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	              {
+	        	DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	        	return (IPP_ERROR);
+	              }
+
+		      bufptr = buffer;
+		    }
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+                  n = value->unknown.length;
+
+                  if (n > sizeof(buffer))
+		    return (IPP_ERROR);
+
+                  if ((sizeof(buffer) - (bufptr - buffer)) < (n + 2))
+		  {
+                    if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+                 /* Length of unknown value */
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Value */
+		  if (n > 0)
+		  {
+		    memcpy(bufptr, value->unknown.data, n);
+		    bufptr += n;
+		  }
+		}
+		break;
+	  }
+
+         /*
+	  * Write the data out...
+	  */
+
+          if (httpWrite(http, (char *)buffer, bufptr - buffer) < 0)
+	  {
+	    DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	    return (IPP_ERROR);
+	  }
+
+          DEBUG_printf(("ippWrite: wrote %d bytes\n", bufptr - buffer));
+
+	 /*
+          * If blocking is disabled, stop here...
+	  */
+
+          if (!http->blocking)
+	    break;
+	}
+
+	if (ipp->current == NULL)
+	{
+         /*
+	  * Done with all of the attributes; add the end-of-attributes tag...
+	  */
+
+          buffer[0] = IPP_TAG_END;
+	  if (httpWrite(http, (char *)buffer, 1) < 0)
+	  {
+	    DEBUG_puts("ippWrite: Could not write IPP end-tag...");
+	    return (IPP_ERROR);
+	  }
+
+	  ipp->state = IPP_DATA;
+	}
+        break;
+
+    case IPP_DATA :
+        break;
+
+    default :
+        break; /* anti-compiler-warning-code */
+  }
+
+  return (ipp->state);
+}
+
+
+/*
+ * 'ippPort()' - Return the default IPP port number.
+ */
+
+int				/* O - Port number */
+ippPort(void)
+{
+  const char	*server_port;	/* SERVER_PORT environment variable */
+  struct servent *port;		/* Port number info */  
+
+
+  if (ipp_port)
+    return (ipp_port);
+  else if ((server_port = getenv("IPP_PORT")) != NULL)
+    return (ipp_port = atoi(server_port));
+  else if ((port = getservbyname("ipp", NULL)) == NULL)
+    return (ipp_port = IPP_PORT);
+  else
+    return (ipp_port = ntohs(port->s_port));
+}
+
+
+/*
+ * 'ippSetPort()' - Set the default port number.
+ */
+
+void
+ippSetPort(int p)		/* I - Port number to use */
+{
+  ipp_port = p;
+}
+
+
+/*
+ * '_ipp_add_attr()' - Add a new attribute to the request.
+ */
+
+ipp_attribute_t *		/* O - New attribute */
+_ipp_add_attr(ipp_t *ipp,	/* I - IPP request */
+              int   num_values)	/* I - Number of values */
+{
+  ipp_attribute_t	*attr;	/* New attribute */
+
+
+  DEBUG_printf(("_ipp_add_attr(%p, %d)\n", ipp, num_values));
+
+  if (ipp == NULL || num_values < 0)
+    return (NULL);
+
+  attr = calloc(sizeof(ipp_attribute_t) +
+                (num_values - 1) * sizeof(ipp_value_t), 1);
+
+  attr->num_values = num_values;
+
+  if (attr == NULL)
+    return (NULL);
+
+  if (ipp->last == NULL)
+    ipp->attrs = attr;
+  else
+    ipp->last->next = attr;
+
+  ipp->last = attr;
+
+  DEBUG_printf(("_ipp_add_attr(): %p\n", attr));
+
+  return (attr);
+}
+
+
+/*
+ * '_ipp_free_attr()' - Free an attribute.
+ */
+
+void
+_ipp_free_attr(ipp_attribute_t *attr)	/* I - Attribute to free */
+{
+  int		i;			/* Looping var */
+  ipp_value_t	*value;			/* Current value */
+
+
+  DEBUG_printf(("_ipp_free_attr(): %p\n", attr));
+
+  switch (attr->value_tag)
+  {
+    case IPP_TAG_TEXT :
+    case IPP_TAG_NAME :
+    case IPP_TAG_KEYWORD :
+    case IPP_TAG_STRING :
+    case IPP_TAG_URI :
+    case IPP_TAG_URISCHEME :
+    case IPP_TAG_CHARSET :
+    case IPP_TAG_LANGUAGE :
+    case IPP_TAG_MIMETYPE :
+	for (i = 0, value = attr->values;
+	     i < attr->num_values;
+	     i ++, value ++)
+	  free(value->string.text);
+	break;
+
+    case IPP_TAG_TEXTLANG :
+    case IPP_TAG_NAMELANG :
+	for (i = 0, value = attr->values;
+	     i < attr->num_values;
+	     i ++, value ++)
+	{
+	  if (value->string.charset && i == 0)
+	    free(value->string.charset);
+	  free(value->string.text);
+	}
+	break;
+
+    default :
+        break; /* anti-compiler-warning-code */
+  }
+
+  if (attr->name != NULL)
+    free(attr->name);
+
+  free(attr);
+}
+
+
+/*
+ * 'ipp_read()' - Semi-blocking read on a HTTP connection...
+ */
+
+static int			/* O - Number of bytes read */
+ipp_read(http_t        *http,	/* I - Client connection */
+         unsigned char *buffer,	/* O - Buffer for data */
+	 int           length)	/* I - Total length */
+{
+  int	tbytes,			/* Total bytes read */
+	bytes;			/* Bytes read this pass */
+  char	len[32];		/* Length string */
+  
+
+ /*
+  * Loop until all bytes are read...
+  */
+
+  for (tbytes = 0, bytes = 0; tbytes < length; tbytes += bytes, buffer += bytes)
+  {
+    if (http->used > 0)
+    {
+     /*
+      * Do "fast read" from HTTP buffer directly...
+      */
+
+      if (http->used > (length - tbytes))
+        bytes = length - tbytes;
+      else
+        bytes = http->used;
+
+      if (bytes == 1)
+	buffer[0] = http->buffer[0];
+      else
+	memcpy(buffer, http->buffer, bytes);
+
+      http->used           -= bytes;
+      http->data_remaining -= bytes;
+
+      if (http->used > 0)
+	memcpy(http->buffer, http->buffer + bytes, http->used);
+
+      if (http->data_remaining == 0)
+      {
+	if (http->data_encoding == HTTP_ENCODE_CHUNKED)
+	  httpGets(len, sizeof(len), http);
+
+	if (http->data_encoding != HTTP_ENCODE_CHUNKED)
+	{
+	  if (http->state == HTTP_POST_RECV)
+	    http->state ++;
+	  else
+	    http->state = HTTP_WAITING;
+	}
+      }
+    }
+    else if ((bytes = httpRead(http, (char *)buffer, length - tbytes)) <= 0)
+      break;
+  }
+
+ /*
+  * Return the number of bytes read...
+  */
+
+  if (tbytes == 0 && bytes < 0)
+    return (-1);
+  else
+    return (tbytes);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/ipp.h b/cups/ipp.h
new file mode 100644
index 000000000..382c5b108
--- /dev/null
+++ b/cups/ipp.h
@@ -0,0 +1,432 @@
+/*
+ * "$Id$"
+ *
+ *   Internet Printing Protocol definitions for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _CUPS_IPP_H_
+#  define _CUPS_IPP_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include "http.h"
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+
+/*
+ * IPP version string...
+ */
+
+#  define IPP_VERSION		"\001\000"
+
+/*
+ * IPP registered port number...  This is the default value - applications
+ * should use the ippPort() function so that you can customize things in
+ * /etc/services if needed!
+ */
+
+#  define IPP_PORT		631
+
+/*
+ * Common limits...
+ */
+
+#  define IPP_MAX_NAME		256
+#  define IPP_MAX_VALUES	10	/* Now just an allocation increment */
+
+
+/*
+ * Types and structures...
+ */
+
+typedef enum			/**** Format tags for attribute formats... ****/
+{
+  IPP_TAG_ZERO = 0x00,
+  IPP_TAG_OPERATION,
+  IPP_TAG_JOB,
+  IPP_TAG_END,
+  IPP_TAG_PRINTER,
+  IPP_TAG_UNSUPPORTED_GROUP,
+  IPP_TAG_SUBSCRIPTION,
+  IPP_TAG_EVENT_NOTIFICATION,
+  IPP_TAG_UNSUPPORTED_VALUE = 0x10,
+  IPP_TAG_DEFAULT,
+  IPP_TAG_UNKNOWN,
+  IPP_TAG_NOVALUE,
+  IPP_TAG_NOTSETTABLE = 0x15,
+  IPP_TAG_DELETEATTR,
+  IPP_TAG_ADMINDEFINE,
+  IPP_TAG_INTEGER = 0x21,
+  IPP_TAG_BOOLEAN,
+  IPP_TAG_ENUM,
+  IPP_TAG_STRING = 0x30,
+  IPP_TAG_DATE,
+  IPP_TAG_RESOLUTION,
+  IPP_TAG_RANGE,
+  IPP_TAG_BEGIN_COLLECTION,
+  IPP_TAG_TEXTLANG,
+  IPP_TAG_NAMELANG,
+  IPP_TAG_END_COLLECTION,
+  IPP_TAG_TEXT = 0x41,
+  IPP_TAG_NAME,
+  IPP_TAG_KEYWORD = 0x44,
+  IPP_TAG_URI,
+  IPP_TAG_URISCHEME,
+  IPP_TAG_CHARSET,
+  IPP_TAG_LANGUAGE,
+  IPP_TAG_MIMETYPE,
+  IPP_TAG_MEMBERNAME,
+  IPP_TAG_MASK = 0x7fffffff,	/* Mask for copied attribute values */
+  IPP_TAG_COPY = -0x7fffffff-1	/* Bitflag for copied attribute values */
+} ipp_tag_t;
+
+typedef enum			/**** Resolution units... ****/
+{
+  IPP_RES_PER_INCH = 3,
+  IPP_RES_PER_CM
+} ipp_res_t;
+
+typedef enum			/**** Finishings... ****/
+{
+  IPP_FINISHINGS_NONE = 3,
+  IPP_FINISHINGS_STAPLE,
+  IPP_FINISHINGS_PUNCH,
+  IPP_FINISHINGS_COVER,
+  IPP_FINISHINGS_BIND,
+  IPP_FINISHINGS_SADDLE_STITCH,
+  IPP_FINISHINGS_EDGE_STITCH,
+  IPP_FINISHINGS_FOLD,
+  IPP_FINISHINGS_TRIM,
+  IPP_FINISHINGS_BALE,
+  IPP_FINISHINGS_BOOKLET_MAKER,
+  IPP_FINISHINGS_JOB_OFFSET,
+  IPP_FINISHINGS_STAPLE_TOP_LEFT = 20,
+  IPP_FINISHINGS_STAPLE_BOTTOM_LEFT,
+  IPP_FINISHINGS_STAPLE_TOP_RIGHT,
+  IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT,
+  IPP_FINISHINGS_EDGE_STITCH_LEFT,
+  IPP_FINISHINGS_EDGE_STITCH_TOP,
+  IPP_FINISHINGS_EDGE_STITCH_RIGHT,
+  IPP_FINISHINGS_EDGE_STITCH_BOTTOM,
+  IPP_FINISHINGS_STAPLE_DUAL_LEFT,
+  IPP_FINISHINGS_STAPLE_DUAL_TOP,
+  IPP_FINISHINGS_STAPLE_DUAL_RIGHT,
+  IPP_FINISHINGS_STAPLE_DUAL_BOTTOM,
+  IPP_FINISHINGS_BIND_LEFT = 50,
+  IPP_FINISHINGS_BIND_TOP,
+  IPP_FINISHINGS_BIND_RIGHT,
+  IPP_FINISHINGS_BIND_BOTTOM
+} ipp_finish_t;
+
+typedef enum			/**** Orientation... ****/
+{
+  IPP_PORTRAIT = 3,		/* No rotation */
+  IPP_LANDSCAPE,		/* 90 degrees counter-clockwise */
+  IPP_REVERSE_LANDSCAPE,	/* 90 degrees clockwise */
+  IPP_REVERSE_PORTRAIT		/* 180 degrees */
+} ipp_orient_t;
+
+typedef enum			/**** Qualities... ****/
+{
+  IPP_QUALITY_DRAFT = 3,
+  IPP_QUALITY_NORMAL,
+  IPP_QUALITY_HIGH
+} ipp_quality_t;
+
+typedef enum			/**** Job States.... */
+{
+  IPP_JOB_PENDING = 3,
+  IPP_JOB_HELD,
+  IPP_JOB_PROCESSING,
+  IPP_JOB_STOPPED,
+  IPP_JOB_CANCELLED,
+  IPP_JOB_ABORTED,
+  IPP_JOB_COMPLETED
+} ipp_jstate_t;
+
+typedef enum			/**** Printer States.... */
+{
+  IPP_PRINTER_IDLE = 3,
+  IPP_PRINTER_PROCESSING,
+  IPP_PRINTER_STOPPED
+} ipp_pstate_t;
+
+typedef enum			/**** IPP states... ****/
+{
+  IPP_ERROR = -1,		/* An error occurred */
+  IPP_IDLE,			/* Nothing is happening/request completed */
+  IPP_HEADER,			/* The request header needs to be sent/received */
+  IPP_ATTRIBUTE,		/* One or more attributes need to be sent/received */
+  IPP_DATA			/* IPP request data needs to be sent/received */
+} ipp_state_t;
+
+typedef enum			/**** IPP operations... ****/
+{
+  IPP_PRINT_JOB = 0x0002,
+  IPP_PRINT_URI,
+  IPP_VALIDATE_JOB,
+  IPP_CREATE_JOB,
+  IPP_SEND_DOCUMENT,
+  IPP_SEND_URI,
+  IPP_CANCEL_JOB,
+  IPP_GET_JOB_ATTRIBUTES,
+  IPP_GET_JOBS,
+  IPP_GET_PRINTER_ATTRIBUTES,
+  IPP_HOLD_JOB,
+  IPP_RELEASE_JOB,
+  IPP_RESTART_JOB,
+  IPP_PAUSE_PRINTER = 0x0010,
+  IPP_RESUME_PRINTER,
+  IPP_PURGE_JOBS,
+  IPP_SET_PRINTER_ATTRIBUTES,
+  IPP_SET_JOB_ATTRIBUTES,
+  IPP_GET_PRINTER_SUPPORTED_VALUES,
+  IPP_CREATE_PRINTER_SUBSCRIPTION,
+  IPP_CREATE_JOB_SUBSCRIPTION,
+  IPP_GET_SUBSCRIPTION_ATTRIBUTES,
+  IPP_GET_SUBSCRIPTIONS,
+  IPP_RENEW_SUBSCRIPTION,
+  IPP_CANCEL_SUBSCRIPTION,
+  IPP_GET_NOTIFICATIONS,
+  IPP_SEND_NOTIFICATIONS,
+  IPP_GET_PRINT_SUPPORT_FILES = 0x0021,
+  IPP_ENABLE_PRINTER,
+  IPP_DISABLE_PRINTER,
+  IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB,
+  IPP_HOLD_NEW_JOBS,
+  IPP_RELEASE_HELD_NEW_JOBS,
+  IPP_DEACTIVATE_PRINTER,
+  IPP_ACTIVATE_PRINTER,
+  IPP_RESTART_PRINTER,
+  IPP_SHUTDOWN_PRINTER,
+  IPP_STARTUP_PRINTER,
+  IPP_REPROCESS_JOB,
+  IPP_CANCEL_CURRENT_JOB,
+  IPP_SUSPEND_CURRENT_JOB,
+  IPP_RESUME_JOB,
+  IPP_PROMOTE_JOB,
+  IPP_SCHEDULE_JOB_AFTER,
+  IPP_PRIVATE = 0x4000,
+  CUPS_GET_DEFAULT,
+  CUPS_GET_PRINTERS,
+  CUPS_ADD_PRINTER,
+  CUPS_DELETE_PRINTER,
+  CUPS_GET_CLASSES,
+  CUPS_ADD_CLASS,
+  CUPS_DELETE_CLASS,
+  CUPS_ACCEPT_JOBS,
+  CUPS_REJECT_JOBS,
+  CUPS_SET_DEFAULT,
+  CUPS_GET_DEVICES,
+  CUPS_GET_PPDS,
+  CUPS_MOVE_JOB,
+  CUPS_ADD_DEVICE,
+  CUPS_DELETE_DEVICE
+} ipp_op_t;
+
+typedef enum			/**** IPP status codes... ****/
+{
+  IPP_OK = 0x0000,
+  IPP_OK_SUBST,
+  IPP_OK_CONFLICT,
+  IPP_OK_IGNORED_SUBSCRIPTIONS,
+  IPP_OK_IGNORED_NOTIFICATIONS,
+  IPP_OK_TOO_MANY_EVENTS,
+  IPP_OK_BUT_CANCEL_SUBSCRIPTION,
+  IPP_REDIRECTION_OTHER_SITE = 0x300,
+  IPP_BAD_REQUEST = 0x0400,
+  IPP_FORBIDDEN,
+  IPP_NOT_AUTHENTICATED,
+  IPP_NOT_AUTHORIZED,
+  IPP_NOT_POSSIBLE,
+  IPP_TIMEOUT,
+  IPP_NOT_FOUND,
+  IPP_GONE,
+  IPP_REQUEST_ENTITY,
+  IPP_REQUEST_VALUE,
+  IPP_DOCUMENT_FORMAT,
+  IPP_ATTRIBUTES,
+  IPP_URI_SCHEME,
+  IPP_CHARSET,
+  IPP_CONFLICT,
+  IPP_COMPRESSION_NOT_SUPPORTED,
+  IPP_COMPRESSION_ERROR,
+  IPP_DOCUMENT_FORMAT_ERROR,
+  IPP_DOCUMENT_ACCESS_ERROR,
+  IPP_ATTRIBUTES_NOT_SETTABLE,
+  IPP_IGNORED_ALL_SUBSCRIPTIONS,
+  IPP_TOO_MANY_SUBSCRIPTIONS,
+  IPP_IGNORED_ALL_NOTIFICATIONS,
+  IPP_PRINT_SUPPORT_FILE_NOT_FOUND,
+
+  IPP_INTERNAL_ERROR = 0x0500,
+  IPP_OPERATION_NOT_SUPPORTED,
+  IPP_SERVICE_UNAVAILABLE,
+  IPP_VERSION_NOT_SUPPORTED,
+  IPP_DEVICE_ERROR,
+  IPP_TEMPORARY_ERROR,
+  IPP_NOT_ACCEPTING,
+  IPP_PRINTER_BUSY,
+  IPP_ERROR_JOB_CANCELLED,
+  IPP_MULTIPLE_JOBS_NOT_SUPPORTED,
+  IPP_PRINTER_IS_DEACTIVATED
+} ipp_status_t;
+
+typedef unsigned char ipp_uchar_t;/**** Unsigned 8-bit integer/character ****/
+
+typedef union			/**** Request Header ****/
+{
+  struct			/* Any Header */
+  {
+    ipp_uchar_t	version[2];	/* Protocol version number */
+    int		op_status;	/* Operation ID or status code*/
+    int		request_id;	/* Request ID */
+  }		any;
+
+  struct			/* Operation Header */
+  {
+    ipp_uchar_t	version[2];	/* Protocol version number */
+    ipp_op_t	operation_id;	/* Operation ID */
+    int		request_id;	/* Request ID */
+  }		op;
+
+  struct			/* Status Header */
+  {
+    ipp_uchar_t	version[2];	/* Protocol version number */
+    ipp_status_t status_code;	/* Status code */
+    int		request_id;	/* Request ID */
+  }		status;
+} ipp_request_t;
+
+
+typedef union			/**** Attribute Value ****/
+{
+  int		integer;	/* Integer/enumerated value */
+
+  char		boolean;	/* Boolean value */
+
+  ipp_uchar_t	date[11];	/* Date/time value */
+
+  struct
+  {
+    int		xres,		/* Horizontal resolution */
+		yres;		/* Vertical resolution */
+    ipp_res_t	units;		/* Resolution units */
+  }		resolution;	/* Resolution value */
+
+  struct
+  {
+    int		lower,		/* Lower value */
+		upper;		/* Upper value */
+  }		range;		/* Range of integers value */
+
+  struct
+  {
+    char	*charset;	/* Character set */
+    char	*text;		/* String */
+  }		string;		/* String with language value */
+
+  struct
+  {
+    int		length;		/* Length of attribute */
+    void	*data;		/* Data in attribute */
+  }		unknown;	/* Unknown attribute type */
+} ipp_value_t;
+
+typedef struct ipp_attribute_s	/**** Attribute ****/
+{
+  struct ipp_attribute_s *next;	/* Next attribute in list */
+  ipp_tag_t	group_tag,	/* Job/Printer/Operation group tag */
+		value_tag;	/* What type of value is it? */
+  char		*name;		/* Name of attribute */
+  int		num_values;	/* Number of values */
+  ipp_value_t	values[1];	/* Values */
+} ipp_attribute_t;
+
+typedef struct			/**** Request State ****/
+{
+  ipp_state_t	state;		/* State of request */
+  ipp_request_t	request;	/* Request header */
+  ipp_attribute_t *attrs,	/* Attributes */
+		*last,		/* Last attribute in list */
+		*current;	/* Current attribute (for read/write) */
+  ipp_tag_t	curtag;		/* Current attribute group tag */
+} ipp_t;
+
+
+/*
+ * Prototypes...
+ */
+
+extern ipp_attribute_t	*ippAddBoolean(ipp_t *ipp, ipp_tag_t group, const char *name, char value);
+extern ipp_attribute_t	*ippAddBooleans(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, const char *values);
+extern ipp_attribute_t	*ippAddDate(ipp_t *ipp, ipp_tag_t group, const char *name, const ipp_uchar_t *value);
+extern ipp_attribute_t	*ippAddInteger(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, int value);
+extern ipp_attribute_t	*ippAddIntegers(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, int num_values, const int *values);
+extern ipp_attribute_t	*ippAddRange(ipp_t *ipp, ipp_tag_t group, const char *name, int lower, int upper);
+extern ipp_attribute_t	*ippAddRanges(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, const int *lower, const int *upper);
+extern ipp_attribute_t	*ippAddResolution(ipp_t *ipp, ipp_tag_t group, const char *name, ipp_res_t units, int xres, int yres);
+extern ipp_attribute_t	*ippAddResolutions(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, ipp_res_t units, const int *xres, const int *yres);
+extern ipp_attribute_t	*ippAddSeparator(ipp_t *ipp);
+extern ipp_attribute_t	*ippAddString(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, const char *charset, const char *value);
+extern ipp_attribute_t	*ippAddStrings(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, int num_values, const char *charset, const char **values);
+extern time_t		ippDateToTime(const ipp_uchar_t *date);
+extern void		ippDelete(ipp_t *ipp);
+extern const char	*ippErrorString(ipp_status_t error);
+extern ipp_attribute_t	*ippFindAttribute(ipp_t *ipp, const char *name,
+			                  ipp_tag_t type);
+extern ipp_attribute_t	*ippFindNextAttribute(ipp_t *ipp, const char *name,
+			                      ipp_tag_t type);
+extern size_t		ippLength(ipp_t *ipp);
+extern ipp_t		*ippNew(void);
+extern ipp_state_t	ippRead(http_t *http, ipp_t *ipp);
+extern const ipp_uchar_t *ippTimeToDate(time_t t);
+extern ipp_state_t	ippWrite(http_t *http, ipp_t *ipp);
+extern int		ippPort(void);
+extern void		ippSetPort(int p);
+
+extern ipp_attribute_t	*_ipp_add_attr(ipp_t *, int);
+extern void		_ipp_free_attr(ipp_attribute_t *);
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+#endif /* !_CUPS_IPP_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/language.c b/cups/language.c
new file mode 100644
index 000000000..ab4dec692
--- /dev/null
+++ b/cups/language.c
@@ -0,0 +1,430 @@
+/*
+ * "$Id$"
+ *
+ *   I18N/language support for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsLangEncoding() - Return the character encoding (us-ascii, etc.)
+ *                        for the given language.
+ *   cupsLangFlush()    - Flush all language data out of the cache.
+ *   cupsLangFree()     - Free language data.
+ *   cupsLangGet()      - Get a language.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "string.h"
+#include "language.h"
+
+
+/*
+ * Local globals...
+ */
+
+static cups_lang_t	*lang_cache = NULL;	/* Language string cache */
+static char		*lang_blank = "";	/* Blank constant string */
+static char		*lang_encodings[] =	/* Encoding strings */
+			{
+			  "us-ascii",
+			  "iso-8859-1",
+			  "iso-8859-2",
+			  "iso-8859-3",
+			  "iso-8859-4",
+			  "iso-8859-5",
+			  "iso-8859-6",
+			  "iso-8859-7",
+			  "iso-8859-8",
+			  "iso-8859-9",
+			  "iso-8859-10",
+			  "utf-8",
+			  "iso-8859-13",
+			  "iso-8859-14",
+			  "iso-8859-15",
+			  "windows-874",
+			  "windows-1250",
+			  "windows-1251",
+			  "windows-1252",
+			  "windows-1253",
+			  "windows-1254",
+			  "windows-1255",
+			  "windows-1256",
+			  "windows-1257",
+			  "windows-1258",
+			  "koi8-r",
+			  "koi8-u"
+			};
+static char		*lang_default[] =	/* Default POSIX locale */
+			{
+#include "cups_C.h"
+			  NULL
+			};
+
+
+/*
+ * 'cupsLangEncoding()' - Return the character encoding (us-ascii, etc.)
+ *                        for the given language.
+ */
+
+char *					/* O - Character encoding */
+cupsLangEncoding(cups_lang_t *lang)	/* I - Language data */
+{
+  if (lang == NULL)
+    return (lang_encodings[0]);
+  else
+    return (lang_encodings[lang->encoding]);
+}
+
+
+/*
+ * 'cupsLangFlush()' - Flush all language data out of the cache.
+ */
+
+void
+cupsLangFlush(void)
+{
+  int		i;	/* Looping var */
+  cups_lang_t	*lang,	/* Current language */
+		*next;	/* Next language */
+
+
+  for (lang = lang_cache; lang != NULL; lang = next)
+  {
+    for (i = 0; i < CUPS_MSG_MAX; i ++)
+      if (lang->messages[i] != NULL && lang->messages[i] != lang_blank)
+        free(lang->messages[i]);
+
+    next = lang->next;
+    free(lang);
+  }
+}
+
+
+/*
+ * 'cupsLangFree()' - Free language data.
+ *
+ * This does not actually free anything; use cupsLangFlush() for that.
+ */
+
+void
+cupsLangFree(cups_lang_t *lang)	/* I - Language to free */
+{
+  if (lang != NULL && lang->used > 0)
+    lang->used --;
+}
+
+
+/*
+ * 'cupsLangGet()' - Get a language.
+ */
+
+cups_lang_t *			/* O - Language data */
+cupsLangGet(const char *language) /* I - Language or locale */
+{
+  int		i, count;	/* Looping vars */
+  char		langname[32],	/* Requested language name */
+		real[32],	/* Real language name */
+		*realptr,	/* Pointer into real language name */
+		filename[1024],	/* Filename for language locale file */
+		*localedir;	/* Directory for locale files */
+  FILE		*fp;		/* Language locale file pointer */
+  char		line[1024];	/* Line from file */
+  cups_msg_t	msg;		/* Message number */
+  char		*text;		/* Message text */
+  cups_lang_t	*lang;		/* Current language... */
+
+
+ /*
+  * Convert the language string passed in to a locale string. "C" is the
+  * standard POSIX locale and is copied unchanged.  Otherwise the
+  * language string is converted from ll-cc (language-country) to ll_cc
+  * to match the file naming convention used by all POSIX-compliant
+  * operating systems.
+  */
+
+  if (language == NULL || language[0] == '\0' ||
+      strcmp(language, "POSIX") == 0)
+    strcpy(langname, "C");
+  else
+  {
+   /*
+    * Copy the locale string over safely...
+    */
+
+    strncpy(langname, language, sizeof(langname) - 1);
+    langname[sizeof(langname) - 1] = '\0';
+  }
+
+  if (strlen(langname) < 2)
+    strcpy(real, "C");
+  else
+  {
+   /*
+    * Convert the language name to a normalized form, e.g.:
+    *
+    *     ll[_CC[.charset]]
+    */
+
+    real[0] = tolower(langname[0]);
+    real[1] = tolower(langname[1]);
+
+    count = 2;
+
+    if (langname[count] == '_' || langname[count] == '-')
+    {
+     /*
+      * Add country code...
+      */
+
+      real[count]     = '_';
+      real[count + 1] = toupper(langname[count + 1]);
+      real[count + 2] = toupper(langname[count + 2]);
+
+      count += 3;
+    }
+
+    if (langname[count] == '.')
+    {
+     /*
+      * Add charset...
+      */
+
+      strncpy(real + count, langname + count, sizeof(real) - count - 1);
+      langname[count] = '\0';
+      count += strlen(langname + count);
+
+     /*
+      * Make sure count stays within the bounds of langname and real
+      * (both vars are the same size...)
+      */
+
+      if (count >= sizeof(real))
+        count = sizeof(real) - 1;
+    }
+
+    langname[count] = '\0';
+    real[count]     = '\0';
+  }
+
+ /*
+  * See if we already have this language loaded...
+  */
+
+  for (lang = lang_cache; lang != NULL; lang = lang->next)
+    if (strcmp(lang->language, langname) == 0)
+    {
+      lang->used ++;
+
+      return (lang);
+    }
+
+
+ /*
+  * Next try to open a locale file; we will try the charset-localized
+  * file first, then the country-localized file, and finally look for
+  * a generic language file.  If all else fails we will use the POSIX
+  * locale.
+  */
+
+  if ((localedir = getenv("LOCALEDIR")) == NULL)
+    localedir = CUPS_LOCALEDIR;
+
+  do
+  {
+    snprintf(filename, sizeof(filename), "%s/%s/cups_%s", localedir,
+             real, real);
+
+    if ((fp = fopen(filename, "r")) == NULL)
+    {
+      if ((realptr = strchr(real, '.')) != NULL)
+        *realptr = '\0';
+      else if ((realptr = strchr(real, '_')) != NULL)
+        *realptr = '\0';
+    }
+  }
+  while (fp == NULL && strchr(real, '_') != NULL && strchr(real, '.') != NULL);
+
+ /*
+  * OK, we have an open messages file; the first line will contain the
+  * language encoding (us-ascii, iso-8859-1, etc.), and the rest will
+  * be messages consisting of:
+  *
+  *    #### SP message text
+  *
+  * or:
+  *
+  *    message text
+  *
+  * If the line starts with a number, then message processing picks up
+  * where the number indicates.  Otherwise the last message number is
+  * incremented.
+  *
+  * All leading whitespace is deleted.
+  */
+
+  if (fp == NULL)
+  {
+    strncpy(line, lang_default[0], sizeof(line) - 1);
+    line[sizeof(line) - 1] = '\0';
+  }
+  else if (fgets(line, sizeof(line), fp) == NULL)
+  {
+   /*
+    * Can't read encoding!
+    */
+
+    fclose(fp);
+    return (NULL);
+  }
+
+  i = strlen(line) - 1;
+  if (line[i] == '\n')
+    line[i] = '\0';	/* Strip LF */
+
+ /*
+  * See if there is a free language available; if so, use that
+  * record...
+  */
+
+  for (lang = lang_cache; lang != NULL; lang = lang->next)
+    if (lang->used == 0)
+      break;
+
+  if (lang == NULL)
+  {
+   /*
+    * Allocate memory for the language and add it to the cache.
+    */
+
+    if ((lang = calloc(sizeof(cups_lang_t), 1)) == NULL)
+    {
+      fclose(fp);
+      return (NULL);
+    }
+
+    lang->next = lang_cache;
+    lang_cache = lang;
+  }
+
+ /*
+  * Free all old strings as needed...
+  */
+
+  for (i = 0; i < CUPS_MSG_MAX; i ++)
+  {
+    if (lang->messages[i] != NULL && lang->messages[i] != lang_blank)
+      free(lang->messages[i]);
+
+    lang->messages[i] = lang_blank;
+  }
+
+ /*
+  * Then assign the language and encoding fields...
+  */
+
+  lang->used ++;
+  strncpy(lang->language, langname, sizeof(lang->language) - 1);
+  lang->language[sizeof(lang->language) - 1] = '\0';
+
+  for (i = 0; i < (sizeof(lang_encodings) / sizeof(lang_encodings[0])); i ++)
+    if (strcmp(lang_encodings[i], line) == 0)
+    {
+      lang->encoding = (cups_encoding_t)i;
+      break;
+    }
+
+ /*
+  * Read the strings from the file...
+  */
+
+  msg   = (cups_msg_t)-1;
+  count = 1;
+
+  for (;;)
+  {
+   /*
+    * Read a line from memory or from a file...
+    */
+
+    if (fp == NULL)
+    {
+      if (lang_default[count] == NULL)
+        break;
+
+      strncpy(line, lang_default[count], sizeof(line) - 1);
+      /* Already set last byte to 0 above... */
+    }
+    else if (fgets(line, sizeof(line), fp) == NULL)
+      break;
+
+    count ++;
+
+   /*
+    * Ignore blank lines...
+    */
+
+    i = strlen(line) - 1;
+    if (line[i] == '\n')
+      line[i] = '\0';	/* Strip LF */
+
+    if (line[0] == '\0')
+      continue;
+
+   /*
+    * Grab the message number and text...
+    */
+
+    if (isdigit(line[0]))
+      msg = (cups_msg_t)atoi(line);
+    else
+      msg ++;
+
+    if (msg < 0 || msg >= CUPS_MSG_MAX)
+      continue;
+
+    text = line;
+    while (isdigit(*text))
+      text ++;
+    while (isspace(*text))
+      text ++;
+    
+    lang->messages[msg] = strdup(text);
+  }
+
+ /*
+  * Close the file and return...
+  */
+
+  if (fp != NULL)
+    fclose(fp);
+
+  return (lang);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/language.h b/cups/language.h
new file mode 100644
index 000000000..4f6714827
--- /dev/null
+++ b/cups/language.h
@@ -0,0 +1,224 @@
+/*
+ * "$Id$"
+ *
+ *   Multi-language support for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _CUPS_LANGUAGE_H_
+#  define _CUPS_LANGUAGE_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <locale.h>
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+/*
+ * Messages...
+ */
+
+typedef enum			/**** Message Indices ****/
+{
+  CUPS_MSG_OK,
+  CUPS_MSG_CANCEL,
+  CUPS_MSG_HELP,
+  CUPS_MSG_QUIT,
+  CUPS_MSG_CLOSE,
+  CUPS_MSG_YES,
+  CUPS_MSG_NO,
+  CUPS_MSG_ON,
+  CUPS_MSG_OFF,
+  CUPS_MSG_SAVE,
+  CUPS_MSG_DISCARD,
+  CUPS_MSG_DEFAULT,
+  CUPS_MSG_OPTIONS,
+  CUPS_MSG_MORE_INFO,
+  CUPS_MSG_BLACK,
+  CUPS_MSG_COLOR,
+  CUPS_MSG_CYAN,
+  CUPS_MSG_MAGENTA,
+  CUPS_MSG_YELLOW,
+  CUPS_MSG_COPYRIGHT,
+  CUPS_MSG_GENERAL,
+  CUPS_MSG_PRINTER,
+  CUPS_MSG_IMAGE,
+  CUPS_MSG_HPGL2,
+  CUPS_MSG_EXTRA,
+  CUPS_MSG_DOCUMENT,
+  CUPS_MSG_OTHER,
+  CUPS_MSG_PRINT_PAGES,
+  CUPS_MSG_ENTIRE_DOCUMENT,
+  CUPS_MSG_PAGE_RANGE,
+  CUPS_MSG_REVERSE_ORDER,
+  CUPS_MSG_PAGE_FORMAT,
+  CUPS_MSG_1_UP,
+  CUPS_MSG_2_UP,
+  CUPS_MSG_4_UP,
+  CUPS_MSG_IMAGE_SCALING,
+  CUPS_MSG_USE_NATURAL_IMAGE_SIZE,
+  CUPS_MSG_ZOOM_BY_PERCENT,
+  CUPS_MSG_ZOOM_BY_PPI,
+  CUPS_MSG_MIRROR_IMAGE,
+  CUPS_MSG_COLOR_SATURATION,
+  CUPS_MSG_COLOR_HUE,
+  CUPS_MSG_FIT_TO_PAGE,
+  CUPS_MSG_SHADING,
+  CUPS_MSG_DEFAULT_PEN_WIDTH,
+  CUPS_MSG_GAMMA_CORRECTION,
+  CUPS_MSG_BRIGHTNESS,
+  CUPS_MSG_ADD,
+  CUPS_MSG_DELETE,
+  CUPS_MSG_MODIFY,
+  CUPS_MSG_PRINTER_URI,
+  CUPS_MSG_PRINTER_NAME,
+  CUPS_MSG_PRINTER_LOCATION,
+  CUPS_MSG_PRINTER_INFO,
+  CUPS_MSG_PRINTER_MAKE_AND_MODEL,
+  CUPS_MSG_DEVICE_URI,
+  CUPS_MSG_FORMATTING_PAGE,
+  CUPS_MSG_PRINTING_PAGE,
+  CUPS_MSG_INITIALIZING_PRINTER,
+  CUPS_MSG_PRINTER_STATE,
+  CUPS_MSG_ACCEPTING_JOBS,
+  CUPS_MSG_NOT_ACCEPTING_JOBS,
+  CUPS_MSG_PRINT_JOBS,
+  CUPS_MSG_CLASS,
+  CUPS_MSG_LOCAL,
+  CUPS_MSG_REMOTE,
+  CUPS_MSG_DUPLEXING,
+  CUPS_MSG_STAPLING,
+  CUPS_MSG_FAST_COPIES,
+  CUPS_MSG_COLLATED_COPIES,
+  CUPS_MSG_PUNCHING,
+  CUPS_MSG_COVERING,
+  CUPS_MSG_BINDING,
+  CUPS_MSG_SORTING,
+  CUPS_MSG_SMALL,
+  CUPS_MSG_MEDIUM,
+  CUPS_MSG_LARGE,
+  CUPS_MSG_VARIABLE,
+  CUPS_MSG_IDLE,
+  CUPS_MSG_PROCESSING,
+  CUPS_MSG_STOPPED,
+  CUPS_MSG_ALL,
+  CUPS_MSG_ODD,
+  CUPS_MSG_EVEN_PAGES,
+  CUPS_MSG_DARKER_LIGHTER,
+  CUPS_MSG_MEDIA_SIZE,
+  CUPS_MSG_MEDIA_TYPE,
+  CUPS_MSG_MEDIA_SOURCE,
+  CUPS_MSG_ORIENTATION,
+  CUPS_MSG_PORTRAIT,
+  CUPS_MSG_LANDSCAPE,
+  CUPS_MSG_JOB_STATE,
+  CUPS_MSG_JOB_NAME,
+  CUPS_MSG_USER_NAME,
+  CUPS_MSG_PRIORITY,
+  CUPS_MSG_COPIES,
+  CUPS_MSG_FILE_SIZE,
+  CUPS_MSG_PENDING,
+  CUPS_MSG_OUTPUT_MODE,
+  CUPS_MSG_RESOLUTION,
+  CUPS_MSG_TEXT,
+  CUPS_MSG_PRETTYPRINT,
+  CUPS_MSG_MARGINS,
+  CUPS_MSG_LEFT,
+  CUPS_MSG_RIGHT,
+  CUPS_MSG_BOTTOM,
+  CUPS_MSG_TOP,
+  CUPS_MSG_FILENAME,
+  CUPS_MSG_PRINT,
+  CUPS_MSG_HTTP_BASE = 200,
+  CUPS_MSG_HTTP_END = 505,
+  CUPS_MSG_MAX
+} cups_msg_t;
+
+typedef enum			/**** Language Encodings ****/
+{
+  CUPS_US_ASCII,
+  CUPS_ISO8859_1,
+  CUPS_ISO8859_2,
+  CUPS_ISO8859_3,
+  CUPS_ISO8859_4,
+  CUPS_ISO8859_5,
+  CUPS_ISO8859_6,
+  CUPS_ISO8859_7,
+  CUPS_ISO8859_8,
+  CUPS_ISO8859_9,
+  CUPS_ISO8859_10,
+  CUPS_UTF8,
+  CUPS_ISO8859_13,
+  CUPS_ISO8859_14,
+  CUPS_ISO8859_15,
+  CUPS_WINDOWS_874,
+  CUPS_WINDOWS_1250,
+  CUPS_WINDOWS_1251,
+  CUPS_WINDOWS_1252,
+  CUPS_WINDOWS_1253,
+  CUPS_WINDOWS_1254,
+  CUPS_WINDOWS_1255,
+  CUPS_WINDOWS_1256,
+  CUPS_WINDOWS_1257,
+  CUPS_WINDOWS_1258,
+  CUPS_KOI8_R,
+  CUPS_KOI8_U
+} cups_encoding_t;
+
+typedef struct cups_lang_str	/**** Language Cache Structure ****/
+{
+  struct cups_lang_str	*next;		/* Next language in cache */
+  int			used;		/* Number of times this entry has been used. */
+  cups_encoding_t	encoding;	/* Text encoding */
+  char			language[16];	/* Language/locale name */
+  char			*messages[CUPS_MSG_MAX];
+					/* Message array */
+} cups_lang_t;
+
+
+/*
+ * Prototypes...
+ */
+
+#  if defined(WIN32) || defined(__EMX__)
+#    define		cupsLangDefault() cupsLangGet(setlocale(LC_ALL, ""))
+#  else
+#    define		cupsLangDefault() cupsLangGet(setlocale(LC_MESSAGES, ""))
+#  endif /* WIN32 || __EMX__ */
+
+extern char		*cupsLangEncoding(cups_lang_t *lang);
+extern void		cupsLangFlush(void);
+extern void		cupsLangFree(cups_lang_t *lang);
+extern cups_lang_t	*cupsLangGet(const char *language);
+#  define		cupsLangString(lang,msg) (lang)->messages[(msg)]
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+
+#endif /* !_CUPS_LANGUAGE_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/mark.c b/cups/mark.c
new file mode 100644
index 000000000..296260d26
--- /dev/null
+++ b/cups/mark.c
@@ -0,0 +1,441 @@
+/*
+ * "$Id$"
+ *
+ *   Option marking routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   PostScript is a trademark of Adobe Systems, Inc.
+ *
+ * Contents:
+ *
+ *   ppdConflicts()        - Check to see if there are any conflicts.
+ *   ppdFindChoice()       - Return a pointer to an option choice.
+ *   ppdFindMarkedChoice() - Return the marked choice for the specified option.
+ *   ppdFindOption()       - Return a pointer to the specified option.
+ *   ppdIsMarked()         - Check to see if an option is marked...
+ *   ppdMarkDefaults()     - Mark all default options in the PPD file.
+ *   ppdMarkOption()       - Mark an option in a PPD file.
+ *   ppd_defaults()        - Set the defaults for this group and all sub-groups.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ppd.h"
+#include "string.h"
+#include "debug.h"
+
+
+/*
+ * Local functions...
+ */
+
+static void	ppd_defaults(ppd_file_t *ppd, ppd_group_t *g);
+
+
+/*
+ * 'ppdConflicts()' - Check to see if there are any conflicts.
+ */
+
+int				/* O - Number of conflicts found */
+ppdConflicts(ppd_file_t *ppd)	/* I - PPD to check */
+{
+  int		i, j, k,	/* Looping variables */
+		conflicts;	/* Number of conflicts */
+  ppd_const_t	*c;		/* Current constraint */
+  ppd_group_t	*g, *sg;	/* Groups */
+  ppd_option_t	*o1, *o2;	/* Options */
+  ppd_choice_t	*c1, *c2;	/* Choices */
+
+
+  if (ppd == NULL)
+    return (0);
+
+ /*
+  * Clear all conflicts...
+  */
+
+  conflicts = 0;
+
+  for (i = ppd->num_groups, g = ppd->groups; i > 0; i --, g ++)
+  {
+    for (j = g->num_options, o1 = g->options; j > 0; j --, o1 ++)
+      o1->conflicted = 0;
+
+    for (j = g->num_subgroups, sg = g->subgroups; j > 0; j --, sg ++)
+      for (k = sg->num_options, o1 = sg->options; k > 0; k --, o1 ++)
+        o1->conflicted = 0;
+  }
+
+ /*
+  * Loop through all of the UI constraints and flag any options
+  * that conflict...
+  */
+
+  for (i = ppd->num_consts, c = ppd->consts; i > 0; i --, c ++)
+  {
+   /*
+    * Grab pointers to the first option...
+    */
+
+    o1 = ppdFindOption(ppd, c->option1);
+
+    if (o1 == NULL)
+      continue;
+    else if (c->choice1[0] != '\0')
+    {
+     /*
+      * This constraint maps to a specific choice.
+      */
+
+      c1 = ppdFindChoice(o1, c->choice1);
+    }
+    else
+    {
+     /*
+      * This constraint applies to any choice for this option.
+      */
+
+      for (j = o1->num_choices, c1 = o1->choices; j > 0; j --, c1 ++)
+        if (c1->marked)
+	  break;
+
+      if (j == 0 ||
+          strcasecmp(c1->choice, "None") == 0 ||
+          strcasecmp(c1->choice, "Off") == 0 ||
+          strcasecmp(c1->choice, "False") == 0)
+        c1 = NULL;
+    }
+
+   /*
+    * Grab pointers to the second option...
+    */
+
+    o2 = ppdFindOption(ppd, c->option2);
+
+    if (o2 == NULL)
+      continue;
+    else if (c->choice2[0] != '\0')
+    {
+     /*
+      * This constraint maps to a specific choice.
+      */
+
+      c2 = ppdFindChoice(o2, c->choice2);
+    }
+    else
+    {
+     /*
+      * This constraint applies to any choice for this option.
+      */
+
+      for (j = o2->num_choices, c2 = o2->choices; j > 0; j --, c2 ++)
+        if (c2->marked)
+	  break;
+
+      if (j == 0 ||
+          strcasecmp(c2->choice, "None") == 0 ||
+          strcasecmp(c2->choice, "Off") == 0 ||
+          strcasecmp(c2->choice, "False") == 0)
+        c2 = NULL;
+    }
+
+   /*
+    * If both options are marked then there is a conflict...
+    */
+
+    if (c1 != NULL && c1->marked &&
+        c2 != NULL && c2->marked)
+    {
+      DEBUG_printf(("%s->%s conflicts with %s->%s (%s %s %s %s)\n",
+                    o1->keyword, c1->choice, o2->keyword, c2->choice,
+		    c->option1, c->choice1, c->option2, c->choice2));
+      conflicts ++;
+      o1->conflicted = 1;
+      o2->conflicted = 1;
+    }
+  }
+
+ /*
+  * Return the number of conflicts found...
+  */
+
+  return (conflicts);
+}
+
+
+/*
+ * 'ppdFindChoice()' - Return a pointer to an option choice.
+ */
+
+ppd_choice_t *				/* O - Choice pointer or NULL */
+ppdFindChoice(ppd_option_t *o,		/* I - Pointer to option */
+              const char   *choice)	/* I - Name of choice */
+{
+  int		i;		/* Looping var */
+  ppd_choice_t	*c;		/* Current choice */
+
+
+  if (o == NULL || choice == NULL)
+    return (NULL);
+
+  for (i = o->num_choices, c = o->choices; i > 0; i --, c ++)
+    if (strcasecmp(c->choice, choice) == 0)
+      return (c);
+
+  return (NULL);
+}
+
+
+/*
+ * 'ppdFindMarkedChoice()' - Return the marked choice for the specified option.
+ */
+
+ppd_choice_t *				/* O - Pointer to choice or NULL */
+ppdFindMarkedChoice(ppd_file_t *ppd,	/* I - PPD file */
+                    const char *option)	/* I - Keyword/option name */
+{
+  int		i;		/* Looping var */
+  ppd_option_t	*o;		/* Pointer to option */
+  ppd_choice_t	*c;		/* Pointer to choice */
+
+
+  if ((o = ppdFindOption(ppd, option)) == NULL)
+    return (NULL);
+
+  for (i = o->num_choices, c = o->choices; i > 0; i --, c ++)
+    if (c->marked)
+      return (c);
+
+  return (NULL);
+}
+
+
+/*
+ * 'ppdFindOption()' - Return a pointer to the specified option.
+ */
+
+ppd_option_t *				/* O - Pointer to option or NULL */
+ppdFindOption(ppd_file_t *ppd,		/* I - PPD file data */
+              const char *option)	/* I - Option/Keyword name */
+{
+  int		i, j, k;	/* Looping vars */
+  ppd_option_t	*o;		/* Pointer to option */
+  ppd_group_t	*g,		/* Pointer to group */
+		*sg;		/* Pointer to subgroup */
+
+
+  if (ppd == NULL || option == NULL)
+    return (NULL);
+
+  for (i = ppd->num_groups, g = ppd->groups; i > 0; i --, g ++)
+  {
+    for (j = g->num_options, o = g->options; j > 0; j --, o ++)
+      if (strcasecmp(o->keyword, option) == 0)
+	return (o);
+
+    for (j = g->num_subgroups, sg = g->subgroups; j > 0; j --, sg ++)
+      for (k = sg->num_options, o = sg->options; k > 0; k --, o ++)
+	if (strcasecmp(o->keyword, option) == 0)
+	  return (o);
+  }
+
+  return (NULL);
+}
+
+
+/*
+ * 'ppdIsMarked()' - Check to see if an option is marked...
+ */
+
+int				/* O - Non-zero if option is marked */
+ppdIsMarked(ppd_file_t *ppd,	/* I - PPD file data */
+            const char *option,	/* I - Option/Keyword name */
+            const char *choice)	/* I - Choice name */
+{
+  ppd_option_t	*o;		/* Option pointer */
+  ppd_choice_t	*c;		/* Choice pointer */
+
+
+  if (ppd == NULL)
+    return (0);
+
+  if ((o = ppdFindOption(ppd, option)) == NULL)
+    return (0);
+
+  if ((c = ppdFindChoice(o, choice)) == NULL)
+    return (0);
+
+  return (c->marked);
+}
+
+
+/*
+ * 'ppdMarkDefaults()' - Mark all default options in the PPD file.
+ */
+
+void
+ppdMarkDefaults(ppd_file_t *ppd)/* I - PPD file record */
+{
+  int		i;		/* Looping variables */
+  ppd_group_t	*g;		/* Current group */
+
+
+  if (ppd == NULL)
+    return;
+
+  for (i = ppd->num_groups, g = ppd->groups; i > 0; i --, g ++)
+    ppd_defaults(ppd, g);
+}
+
+
+/*
+ * 'ppdMarkOption()' - Mark an option in a PPD file.
+ *
+ * Notes:
+ *
+ *   -1 is returned if the given option would conflict with any currently
+ *   selected option.
+ */
+
+int					/* O - Number of conflicts */
+ppdMarkOption(ppd_file_t *ppd,		/* I - PPD file record */
+              const char *option,	/* I - Keyword */
+              const char *choice)	/* I - Option name */
+{
+  int		i;		/* Looping var */
+  ppd_option_t	*o;		/* Option pointer */
+  ppd_choice_t	*c;		/* Choice pointer */
+
+
+  if (ppd == NULL)
+    return (0);
+
+  if (strcasecmp(option, "PageSize") == 0 && strncasecmp(choice, "Custom.", 7) == 0)
+  {
+   /*
+    * Handle variable page sizes...
+    */
+
+    ppdPageSize(ppd, choice);
+    choice = "Custom";
+  }
+
+  if ((o = ppdFindOption(ppd, option)) == NULL)
+    return (0);
+
+  for (i = o->num_choices, c = o->choices; i > 0; i --, c ++)
+    if (strcasecmp(c->choice, choice) == 0)
+      break;
+
+  if (i)
+  {
+   /*
+    * Option found; mark it and then handle unmarking any other options.
+    */
+
+    c->marked = 1;
+
+    if (o->ui != PPD_UI_PICKMANY)
+      for (i = o->num_choices, c = o->choices; i > 0; i --, c ++)
+	if (strcasecmp(c->choice, choice) != 0)
+          c->marked = 0;
+
+    if (strcasecmp(option, "PageSize") == 0 || strcasecmp(option, "PageRegion") == 0)
+    {
+     /*
+      * Mark current page size...
+      */
+
+      for (i = 0; i < ppd->num_sizes; i ++)
+	ppd->sizes[i].marked = strcasecmp(ppd->sizes[i].name, choice) == 0;
+
+     /*
+      * Unmark the current PageSize or PageRegion setting, as appropriate...
+      */
+
+      if (strcasecmp(option, "PageSize") == 0)
+      {
+	if ((o = ppdFindOption(ppd, "PageRegion")) != NULL)
+	  for (i = 0; i < o->num_choices; i ++)
+            o->choices[i].marked = 0;
+      }
+      else
+      {
+	if ((o = ppdFindOption(ppd, "PageSize")) != NULL)
+	  for (i = 0; i < o->num_choices; i ++)
+            o->choices[i].marked = 0;
+      }
+    }
+    else if (strcasecmp(option, "InputSlot") == 0)
+    {
+     /*
+      * Unmark ManualFeed option...
+      */
+
+      if ((o = ppdFindOption(ppd, "ManualFeed")) != NULL)
+	for (i = 0; i < o->num_choices; i ++)
+          o->choices[i].marked = 0;
+    }
+    else if (strcasecmp(option, "ManualFeed") == 0)
+    {
+     /*
+      * Unmark InputSlot option...
+      */
+
+      if ((o = ppdFindOption(ppd, "InputSlot")) != NULL)
+	for (i = 0; i < o->num_choices; i ++)
+          o->choices[i].marked = 0;
+    }
+  }
+
+  return (ppdConflicts(ppd));
+}
+
+
+/*
+ * 'ppd_defaults()' - Set the defaults for this group and all sub-groups.
+ */
+
+static void
+ppd_defaults(ppd_file_t  *ppd,	/* I - PPD file */
+             ppd_group_t *g)	/* I - Group to default */
+{
+  int		i;		/* Looping var */
+  ppd_option_t	*o;		/* Current option */
+  ppd_group_t	*sg;		/* Current sub-group */
+
+
+  if (g == NULL)
+    return;
+
+  for (i = g->num_options, o = g->options; i > 0; i --, o ++)
+    if (strcasecmp(o->keyword, "PageRegion") != 0)
+      ppdMarkOption(ppd, o->keyword, o->defchoice);
+
+  for (i = g->num_subgroups, sg = g->subgroups; i > 0; i --, sg ++)
+    ppd_defaults(ppd, sg);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/md5.c b/cups/md5.c
new file mode 100644
index 000000000..5db868858
--- /dev/null
+++ b/cups/md5.c
@@ -0,0 +1,392 @@
+/*
+  Copyright (C) 1999 Aladdin Enterprises.  All rights reserved.
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  L. Peter Deutsch
+  ghost@aladdin.com
+
+ */
+/*$Id$ */
+/*
+  Independent implementation of MD5 (RFC 1321).
+
+  This code implements the MD5 Algorithm defined in RFC 1321.
+  It is derived directly from the text of the RFC and not from the
+  reference implementation.
+
+  The original and principal author of md5.c is L. Peter Deutsch
+  <ghost@aladdin.com>.  Other authors are noted in the change history
+  that follows (in reverse chronological order):
+
+  1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
+  1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5).
+  1999-05-03 lpd Original version.
+ */
+
+#include "md5.h"
+#include "string.h"
+
+#ifdef TEST
+/*
+ * Compile with -DTEST to create a self-contained executable test program.
+ * The test program should print out the same values as given in section
+ * A.5 of RFC 1321, reproduced below.
+ */
+main()
+{
+    static const char *const test[7] = {
+	"", /*d41d8cd98f00b204e9800998ecf8427e*/
+	"a", /*0cc175b9c0f1b6a831c399e269772661*/
+	"abc", /*900150983cd24fb0d6963f7d28e17f72*/
+	"message digest", /*f96b697d7cb7938d525a2f31aaf161d0*/
+	"abcdefghijklmnopqrstuvwxyz", /*c3fcd3d76192e4007dfb496cca67e13b*/
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
+				/*d174ab98d277d9f5a5611c2c9f419d9f*/
+	"12345678901234567890123456789012345678901234567890123456789012345678901234567890" /*57edf4a22be3c955ac49da2e2107b67a*/
+    };
+    int i;
+
+    for (i = 0; i < 7; ++i) {
+	md5_state_t state;
+	md5_byte_t digest[16];
+	int di;
+
+	md5_init(&state);
+	md5_append(&state, (const md5_byte_t *)test[i], strlen(test[i]));
+	md5_finish(&state, digest);
+	printf("MD5 (\"%s\") = ", test[i]);
+	for (di = 0; di < 16; ++di)
+	    printf("%02x", digest[di]);
+	printf("\n");
+    }
+    return 0;
+}
+#endif /* TEST */
+
+
+/*
+ * For reference, here is the program that computed the T values.
+ */
+#if 0
+#include <math.h>
+main()
+{
+    int i;
+    for (i = 1; i <= 64; ++i) {
+	unsigned long v = (unsigned long)(4294967296.0 * fabs(sin((double)i)));
+	printf("#define T%d 0x%08lx\n", i, v);
+    }
+    return 0;
+}
+#endif
+/*
+ * End of T computation program.
+ */
+#define T1 0xd76aa478
+#define T2 0xe8c7b756
+#define T3 0x242070db
+#define T4 0xc1bdceee
+#define T5 0xf57c0faf
+#define T6 0x4787c62a
+#define T7 0xa8304613
+#define T8 0xfd469501
+#define T9 0x698098d8
+#define T10 0x8b44f7af
+#define T11 0xffff5bb1
+#define T12 0x895cd7be
+#define T13 0x6b901122
+#define T14 0xfd987193
+#define T15 0xa679438e
+#define T16 0x49b40821
+#define T17 0xf61e2562
+#define T18 0xc040b340
+#define T19 0x265e5a51
+#define T20 0xe9b6c7aa
+#define T21 0xd62f105d
+#define T22 0x02441453
+#define T23 0xd8a1e681
+#define T24 0xe7d3fbc8
+#define T25 0x21e1cde6
+#define T26 0xc33707d6
+#define T27 0xf4d50d87
+#define T28 0x455a14ed
+#define T29 0xa9e3e905
+#define T30 0xfcefa3f8
+#define T31 0x676f02d9
+#define T32 0x8d2a4c8a
+#define T33 0xfffa3942
+#define T34 0x8771f681
+#define T35 0x6d9d6122
+#define T36 0xfde5380c
+#define T37 0xa4beea44
+#define T38 0x4bdecfa9
+#define T39 0xf6bb4b60
+#define T40 0xbebfbc70
+#define T41 0x289b7ec6
+#define T42 0xeaa127fa
+#define T43 0xd4ef3085
+#define T44 0x04881d05
+#define T45 0xd9d4d039
+#define T46 0xe6db99e5
+#define T47 0x1fa27cf8
+#define T48 0xc4ac5665
+#define T49 0xf4292244
+#define T50 0x432aff97
+#define T51 0xab9423a7
+#define T52 0xfc93a039
+#define T53 0x655b59c3
+#define T54 0x8f0ccc92
+#define T55 0xffeff47d
+#define T56 0x85845dd1
+#define T57 0x6fa87e4f
+#define T58 0xfe2ce6e0
+#define T59 0xa3014314
+#define T60 0x4e0811a1
+#define T61 0xf7537e82
+#define T62 0xbd3af235
+#define T63 0x2ad7d2bb
+#define T64 0xeb86d391
+
+static void
+md5_process(md5_state_t *pms, const md5_byte_t *data /*[64]*/)
+{
+    md5_word_t
+	a = pms->abcd[0], b = pms->abcd[1],
+	c = pms->abcd[2], d = pms->abcd[3];
+    md5_word_t t;
+
+#ifndef ARCH_IS_BIG_ENDIAN
+# define ARCH_IS_BIG_ENDIAN 1	/* slower, default implementation */
+#endif
+#if ARCH_IS_BIG_ENDIAN
+
+    /*
+     * On big-endian machines, we must arrange the bytes in the right
+     * order.  (This also works on machines of unknown byte order.)
+     */
+    md5_word_t X[16];
+    const md5_byte_t *xp = data;
+    int i;
+
+    for (i = 0; i < 16; ++i, xp += 4)
+	X[i] = xp[0] + (xp[1] << 8) + (xp[2] << 16) + (xp[3] << 24);
+
+#else  /* !ARCH_IS_BIG_ENDIAN */
+
+    /*
+     * On little-endian machines, we can process properly aligned data
+     * without copying it.
+     */
+    md5_word_t xbuf[16];
+    const md5_word_t *X;
+
+    if (!((data - (const md5_byte_t *)0) & 3)) {
+	/* data are properly aligned */
+	X = (const md5_word_t *)data;
+    } else {
+	/* not aligned */
+	memcpy(xbuf, data, 64);
+	X = xbuf;
+    }
+#endif
+
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
+
+    /* Round 1. */
+    /* Let [abcd k s i] denote the operation
+       a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
+#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + F(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+    /* Do the following 16 operations. */
+    SET(a, b, c, d,  0,  7,  T1);
+    SET(d, a, b, c,  1, 12,  T2);
+    SET(c, d, a, b,  2, 17,  T3);
+    SET(b, c, d, a,  3, 22,  T4);
+    SET(a, b, c, d,  4,  7,  T5);
+    SET(d, a, b, c,  5, 12,  T6);
+    SET(c, d, a, b,  6, 17,  T7);
+    SET(b, c, d, a,  7, 22,  T8);
+    SET(a, b, c, d,  8,  7,  T9);
+    SET(d, a, b, c,  9, 12, T10);
+    SET(c, d, a, b, 10, 17, T11);
+    SET(b, c, d, a, 11, 22, T12);
+    SET(a, b, c, d, 12,  7, T13);
+    SET(d, a, b, c, 13, 12, T14);
+    SET(c, d, a, b, 14, 17, T15);
+    SET(b, c, d, a, 15, 22, T16);
+#undef SET
+
+     /* Round 2. */
+     /* Let [abcd k s i] denote the operation
+          a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
+#define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + G(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+    SET(a, b, c, d,  1,  5, T17);
+    SET(d, a, b, c,  6,  9, T18);
+    SET(c, d, a, b, 11, 14, T19);
+    SET(b, c, d, a,  0, 20, T20);
+    SET(a, b, c, d,  5,  5, T21);
+    SET(d, a, b, c, 10,  9, T22);
+    SET(c, d, a, b, 15, 14, T23);
+    SET(b, c, d, a,  4, 20, T24);
+    SET(a, b, c, d,  9,  5, T25);
+    SET(d, a, b, c, 14,  9, T26);
+    SET(c, d, a, b,  3, 14, T27);
+    SET(b, c, d, a,  8, 20, T28);
+    SET(a, b, c, d, 13,  5, T29);
+    SET(d, a, b, c,  2,  9, T30);
+    SET(c, d, a, b,  7, 14, T31);
+    SET(b, c, d, a, 12, 20, T32);
+#undef SET
+
+     /* Round 3. */
+     /* Let [abcd k s t] denote the operation
+          a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + H(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+    SET(a, b, c, d,  5,  4, T33);
+    SET(d, a, b, c,  8, 11, T34);
+    SET(c, d, a, b, 11, 16, T35);
+    SET(b, c, d, a, 14, 23, T36);
+    SET(a, b, c, d,  1,  4, T37);
+    SET(d, a, b, c,  4, 11, T38);
+    SET(c, d, a, b,  7, 16, T39);
+    SET(b, c, d, a, 10, 23, T40);
+    SET(a, b, c, d, 13,  4, T41);
+    SET(d, a, b, c,  0, 11, T42);
+    SET(c, d, a, b,  3, 16, T43);
+    SET(b, c, d, a,  6, 23, T44);
+    SET(a, b, c, d,  9,  4, T45);
+    SET(d, a, b, c, 12, 11, T46);
+    SET(c, d, a, b, 15, 16, T47);
+    SET(b, c, d, a,  2, 23, T48);
+#undef SET
+
+     /* Round 4. */
+     /* Let [abcd k s t] denote the operation
+          a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
+#define I(x, y, z) ((y) ^ ((x) | ~(z)))
+#define SET(a, b, c, d, k, s, Ti)\
+  t = a + I(b,c,d) + X[k] + Ti;\
+  a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+    SET(a, b, c, d,  0,  6, T49);
+    SET(d, a, b, c,  7, 10, T50);
+    SET(c, d, a, b, 14, 15, T51);
+    SET(b, c, d, a,  5, 21, T52);
+    SET(a, b, c, d, 12,  6, T53);
+    SET(d, a, b, c,  3, 10, T54);
+    SET(c, d, a, b, 10, 15, T55);
+    SET(b, c, d, a,  1, 21, T56);
+    SET(a, b, c, d,  8,  6, T57);
+    SET(d, a, b, c, 15, 10, T58);
+    SET(c, d, a, b,  6, 15, T59);
+    SET(b, c, d, a, 13, 21, T60);
+    SET(a, b, c, d,  4,  6, T61);
+    SET(d, a, b, c, 11, 10, T62);
+    SET(c, d, a, b,  2, 15, T63);
+    SET(b, c, d, a,  9, 21, T64);
+#undef SET
+
+     /* Then perform the following additions. (That is increment each
+        of the four registers by the value it had before this block
+        was started.) */
+    pms->abcd[0] += a;
+    pms->abcd[1] += b;
+    pms->abcd[2] += c;
+    pms->abcd[3] += d;
+}
+
+void
+md5_init(md5_state_t *pms)
+{
+    pms->count[0] = pms->count[1] = 0;
+    pms->abcd[0] = 0x67452301;
+    pms->abcd[1] = 0xefcdab89;
+    pms->abcd[2] = 0x98badcfe;
+    pms->abcd[3] = 0x10325476;
+}
+
+void
+md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes)
+{
+    const md5_byte_t *p = data;
+    int left = nbytes;
+    int offset = (pms->count[0] >> 3) & 63;
+    md5_word_t nbits = (md5_word_t)(nbytes << 3);
+
+    if (nbytes <= 0)
+	return;
+
+    /* Update the message length. */
+    pms->count[1] += nbytes >> 29;
+    pms->count[0] += nbits;
+    if (pms->count[0] < nbits)
+	pms->count[1]++;
+
+    /* Process an initial partial block. */
+    if (offset) {
+	int copy = (offset + nbytes > 64 ? 64 - offset : nbytes);
+
+	memcpy(pms->buf + offset, p, copy);
+	if (offset + copy < 64)
+	    return;
+	p += copy;
+	left -= copy;
+	md5_process(pms, pms->buf);
+    }
+
+    /* Process full blocks. */
+    for (; left >= 64; p += 64, left -= 64)
+	md5_process(pms, p);
+
+    /* Process a final partial block. */
+    if (left)
+	memcpy(pms->buf, p, left);
+}
+
+void
+md5_finish(md5_state_t *pms, md5_byte_t digest[16])
+{
+    static const md5_byte_t pad[64] = {
+	0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+    };
+    md5_byte_t data[8];
+    int i;
+
+    /* Save the length before padding. */
+    for (i = 0; i < 8; ++i)
+	data[i] = (md5_byte_t)(pms->count[i >> 2] >> ((i & 3) << 3));
+    /* Pad to 56 bytes mod 64. */
+    md5_append(pms, pad, ((55 - (pms->count[0] >> 3)) & 63) + 1);
+    /* Append the length. */
+    md5_append(pms, data, 8);
+    for (i = 0; i < 16; ++i)
+	digest[i] = (md5_byte_t)(pms->abcd[i >> 2] >> ((i & 3) << 3));
+}
diff --git a/cups/md5.h b/cups/md5.h
new file mode 100644
index 000000000..a2d7b3415
--- /dev/null
+++ b/cups/md5.h
@@ -0,0 +1,94 @@
+/*
+  Copyright (C) 1999 Aladdin Enterprises.  All rights reserved.
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  L. Peter Deutsch
+  ghost@aladdin.com
+
+ */
+/*$Id$ */
+/*
+  Independent implementation of MD5 (RFC 1321).
+
+  This code implements the MD5 Algorithm defined in RFC 1321.
+  It is derived directly from the text of the RFC and not from the
+  reference implementation.
+
+  The original and principal author of md5.h is L. Peter Deutsch
+  <ghost@aladdin.com>.  Other authors are noted in the change history
+  that follows (in reverse chronological order):
+
+  1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
+  1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5);
+	added conditionalization for C++ compilation from Martin
+	Purschke <purschke@bnl.gov>.
+  1999-05-03 lpd Original version.
+ */
+
+#ifndef md5_INCLUDED
+#  define md5_INCLUDED
+
+/*
+ * This code has some adaptations for the Ghostscript environment, but it
+ * will compile and run correctly in any environment with 8-bit chars and
+ * 32-bit ints.  Specifically, it assumes that if the following are
+ * defined, they have the same meaning as in Ghostscript: P1, P2, P3,
+ * ARCH_IS_BIG_ENDIAN.
+ */
+
+typedef unsigned char md5_byte_t; /* 8-bit byte */
+typedef unsigned int md5_word_t; /* 32-bit word */
+
+/* Define the state of the MD5 Algorithm. */
+typedef struct md5_state_s {
+    md5_word_t count[2];	/* message length in bits, lsw first */
+    md5_word_t abcd[4];		/* digest buffer */
+    md5_byte_t buf[64];		/* accumulate block */
+} md5_state_t;
+
+#ifdef __cplusplus
+extern "C" 
+{
+#endif
+
+/* Initialize the algorithm. */
+#ifdef P1
+void md5_init(P1(md5_state_t *pms));
+#else
+void md5_init(md5_state_t *pms);
+#endif
+
+/* Append a string to the message. */
+#ifdef P3
+void md5_append(P3(md5_state_t *pms, const md5_byte_t *data, int nbytes));
+#else
+void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes);
+#endif
+
+/* Finish the message and return the digest. */
+#ifdef P2
+void md5_finish(P2(md5_state_t *pms, md5_byte_t digest[16]));
+#else
+void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);
+#endif
+
+#ifdef __cplusplus
+}  /* end extern "C" */
+#endif
+
+#endif /* md5_INCLUDED */
diff --git a/cups/md5passwd.c b/cups/md5passwd.c
new file mode 100644
index 000000000..732eb5b6b
--- /dev/null
+++ b/cups/md5passwd.c
@@ -0,0 +1,148 @@
+/*
+ * "$Id$"
+ *
+ *   MD5 password support for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   httpMD5()       - Compute the MD5 sum of the username:group:password.
+ *   httpMD5Nonce()  - Combine the MD5 sum of the username, group, and password
+ *                     with the server-supplied nonce value.
+ *   httpMD5String() - Convert an MD5 sum to a character string.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "http.h"
+#include "string.h"
+
+
+/*
+ * 'httpMD5()' - Compute the MD5 sum of the username:group:password.
+ */
+
+char *				/* O - MD5 sum */
+httpMD5(const char *username,	/* I - User name */
+        const char *realm,	/* I - Realm name */
+        const char *passwd,	/* I - Password string */
+	char       md5[33])	/* O - MD5 string */
+{
+  md5_state_t	state;		/* MD5 state info */
+  md5_byte_t	sum[16];	/* Sum data */
+  char		line[256];	/* Line to sum */
+
+
+ /*
+  * Compute the MD5 sum of the user name, group name, and password.
+  */
+
+  snprintf(line, sizeof(line), "%s:%s:%s", username, realm, passwd);
+  md5_init(&state);
+  md5_append(&state, (md5_byte_t *)line, strlen(line));
+  md5_finish(&state, sum);
+
+ /*
+  * Return the sum...
+  */
+
+  return (httpMD5String(sum, md5));
+}
+
+
+/*
+ * 'httpMD5Final()' - Combine the MD5 sum of the username, group, and password
+ *                    with the server-supplied nonce value, method, and
+ *                    request-uri.
+ */
+
+char *					/* O - New sum */
+httpMD5Final(const char *nonce,		/* I - Server nonce value */
+             const char *method,	/* I - METHOD (GET, POST, etc.) */
+	     const char *resource,	/* I - Resource path */
+             char       md5[33])	/* IO - MD5 sum */
+{
+  md5_state_t	state;			/* MD5 state info */
+  md5_byte_t	sum[16];		/* Sum data */
+  char		line[1024];		/* Line of data */
+  char		a2[33];			/* Hash of method and resource */
+
+
+ /*
+  * First compute the MD5 sum of the method and resource...
+  */
+
+  snprintf(line, sizeof(line), "%s:%s", method, resource);
+  md5_init(&state);
+  md5_append(&state, (md5_byte_t *)line, strlen(line));
+  md5_finish(&state, sum);
+  httpMD5String(sum, a2);
+
+ /*
+  * Then combine A1 (MD5 of username, realm, and password) with the nonce
+  * and A2 (method + resource) values to get the final MD5 sum for the
+  * request...
+  */
+
+  snprintf(line, sizeof(line), "%s:%s:%s", md5, nonce, a2);
+
+  md5_init(&state);
+  md5_append(&state, (md5_byte_t *)line, strlen(line));
+  md5_finish(&state, sum);
+
+  return (httpMD5String(sum, md5));
+}
+
+
+/*
+ * 'httpMD5String()' - Convert an MD5 sum to a character string.
+ */
+
+char *					/* O - MD5 sum in hex */
+httpMD5String(const md5_byte_t *sum,	/* I - MD5 sum data */
+              char             md5[33])	/* O - MD5 sum in hex */
+{
+  int		i;			/* Looping var */
+  char		*md5ptr;		/* Pointer into MD5 string */
+  static char	*hex = "0123456789abcdef";
+					/* Hex digits */
+
+
+ /*
+  * Convert the MD5 sum to hexadecimal...
+  */
+
+  for (i = 16, md5ptr = md5; i > 0; i --, sum ++)
+  {
+    *md5ptr++ = hex[*sum >> 4];
+    *md5ptr++ = hex[*sum & 15];
+  }
+
+  *md5ptr = '\0';
+
+  return (md5);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/options.c b/cups/options.c
new file mode 100644
index 000000000..985620075
--- /dev/null
+++ b/cups/options.c
@@ -0,0 +1,430 @@
+/*
+ * "$Id$"
+ *
+ *   Option routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsAddOption()    - Add an option to an option array.
+ *   cupsFreeOptions()  - Free all memory used by options.
+ *   cupsGetOption()    - Get an option value.
+ *   cupsParseOptions() - Parse options from a command-line argument.
+ *   cupsMarkOptions()  - Mark command-line options in a PPD file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include <stdlib.h>
+#include <ctype.h>
+#include "string.h"
+#include "debug.h"
+
+
+/*
+ * 'cupsAddOption()' - Add an option to an option array.
+ */
+
+int						/* O - Number of options */
+cupsAddOption(const char    *name,		/* I - Name of option */
+              const char    *value,		/* I - Value of option */
+	      int           num_options,	/* I - Number of options */
+              cups_option_t **options)		/* IO - Pointer to options */
+{
+  int		i;				/* Looping var */
+  cups_option_t	*temp;				/* Pointer to new option */
+
+
+  if (name == NULL || !name[0] || value == NULL ||
+      options == NULL || num_options < 0)
+    return (num_options);
+
+ /*
+  * Look for an existing option with the same name...
+  */
+
+  for (i = 0, temp = *options; i < num_options; i ++, temp ++)
+    if (strcasecmp(temp->name, name) == 0)
+      break;
+
+  if (i >= num_options)
+  {
+   /*
+    * No matching option name...
+    */
+
+    if (num_options == 0)
+      temp = (cups_option_t *)malloc(sizeof(cups_option_t));
+    else
+      temp = (cups_option_t *)realloc(*options, sizeof(cups_option_t) *
+                                        	(num_options + 1));
+
+    if (temp == NULL)
+      return (0);
+
+    *options    = temp;
+    temp        += num_options;
+    temp->name  = strdup(name);
+    num_options ++;
+  }
+  else
+  {
+   /*
+    * Match found; free the old value...
+    */
+
+    free(temp->value);
+  }
+
+  temp->value = strdup(value);
+
+  return (num_options);
+}
+
+
+/*
+ * 'cupsFreeOptions()' - Free all memory used by options.
+ */
+
+void
+cupsFreeOptions(int           num_options,	/* I - Number of options */
+                cups_option_t *options)		/* I - Pointer to options */
+{
+  int	i;					/* Looping var */
+
+
+  if (num_options <= 0 || options == NULL)
+    return;
+
+  for (i = 0; i < num_options; i ++)
+  {
+    free(options[i].name);
+    free(options[i].value);
+  }
+
+  free(options);
+}
+
+
+/*
+ * 'cupsGetOption()' - Get an option value.
+ */
+
+const char *				/* O - Option value or NULL */
+cupsGetOption(const char    *name,	/* I - Name of option */
+              int           num_options,/* I - Number of options */
+              cups_option_t *options)	/* I - Options */
+{
+  int	i;				/* Looping var */
+
+
+  if (name == NULL || num_options <= 0 || options == NULL)
+    return (NULL);
+
+  for (i = 0; i < num_options; i ++)
+    if (strcasecmp(options[i].name, name) == 0)
+      return (options[i].value);
+
+  return (NULL);
+}
+
+
+/*
+ * 'cupsParseOptions()' - Parse options from a command-line argument.
+ */
+
+int						/* O - Number of options found */
+cupsParseOptions(const char    *arg,		/* I - Argument to parse */
+                 int           num_options,	/* I - Number of options */
+                 cups_option_t **options)	/* O - Options found */
+{
+  char	*copyarg,				/* Copy of input string */
+	*ptr,					/* Pointer into string */
+	*name,					/* Pointer to name */
+	*value;					/* Pointer to value */
+
+
+  if (arg == NULL || options == NULL || num_options < 0)
+    return (0);
+
+ /*
+  * Make a copy of the argument string and then divide it up...
+  */
+
+  copyarg     = strdup(arg);
+  ptr         = copyarg;
+
+ /*
+  * Skip leading spaces...
+  */
+
+  while (isspace(*ptr))
+    ptr ++;
+
+ /*
+  * Loop through the string...
+  */
+
+  while (*ptr != '\0')
+  {
+   /*
+    * Get the name up to a SPACE, =, or end-of-string...
+    */
+
+    name = ptr;
+    while (!isspace(*ptr) && *ptr != '=' && *ptr != '\0')
+      ptr ++;
+
+   /*
+    * Avoid an empty name...
+    */
+
+    if (ptr == name)
+      break;
+
+   /*
+    * Skip trailing spaces...
+    */
+
+    while (isspace(*ptr))
+      *ptr++ = '\0';
+
+    if (*ptr != '=')
+    {
+     /*
+      * Start of another option...
+      */
+
+      if (strncasecmp(name, "no", 2) == 0)
+        num_options = cupsAddOption(name + 2, "false", num_options,
+	                            options);
+      else
+        num_options = cupsAddOption(name, "true", num_options, options);
+
+      continue;
+    }
+
+   /*
+    * Remove = and parse the value...
+    */
+
+    *ptr++ = '\0';
+
+    if (*ptr == '\'')
+    {
+     /*
+      * Quoted string constant...
+      */
+
+      ptr ++;
+      value = ptr;
+
+      while (*ptr != '\'' && *ptr != '\0')
+        ptr ++;
+
+      if (*ptr != '\0')
+        *ptr++ = '\0';
+    }
+    else if (*ptr == '\"')
+    {
+     /*
+      * Double-quoted string constant...
+      */
+
+      ptr ++;
+      value = ptr;
+
+      while (*ptr != '\"' && *ptr != '\0')
+        ptr ++;
+
+      if (*ptr != '\0')
+        *ptr++ = '\0';
+    }
+    else
+    {
+     /*
+      * Normal space-delimited string...
+      */
+
+      value = ptr;
+
+      while (!isspace(*ptr) && *ptr != '\0')
+	ptr ++;
+    }
+
+   /*
+    * Skip trailing whitespace...
+    */
+
+    while (isspace(*ptr))
+      *ptr++ = '\0';
+
+   /*
+    * Add the string value...
+    */
+
+    num_options = cupsAddOption(name, value, num_options, options);
+  }
+
+ /*
+  * Free the copy of the argument we made and return the number of options
+  * found.
+  */
+
+  free(copyarg);
+
+  return (num_options);
+}
+
+
+/*
+ * 'cupsMarkOptions()' - Mark command-line options in a PPD file.
+ */
+
+int						/* O - 1 if conflicting */
+cupsMarkOptions(ppd_file_t    *ppd,		/* I - PPD file */
+                int           num_options,	/* I - Number of options */
+                cups_option_t *options)		/* I - Options */
+{
+  int	i;					/* Looping var */
+  int	conflict;				/* Option conflicts */
+  char	*val,					/* Pointer into value */
+	*ptr,					/* Pointer into string */
+	s[255];					/* Temporary string */
+
+
+ /*
+  * Check arguments...
+  */
+
+  if (ppd == NULL || num_options <= 0 || options == NULL)
+    return (0);
+
+ /*
+  * Mark options...
+  */
+
+  conflict = 0;
+
+  for (i = num_options; i > 0; i --, options ++)
+    if (strcasecmp(options->name, "media") == 0)
+    {
+     /*
+      * Loop through the option string, separating it at commas and
+      * marking each individual option.
+      */
+
+      for (val = options->value; *val;)
+      {
+       /*
+        * Extract the sub-option from the string...
+	*/
+
+        for (ptr = s; *val && *val != ',' && (ptr - s) < (sizeof(s) - 1);)
+	  *ptr++ = *val++;
+	*ptr++ = '\0';
+
+	if (*val == ',')
+	  val ++;
+
+       /*
+        * Mark it...
+	*/
+
+	if (ppdMarkOption(ppd, "PageSize", s))
+          conflict = 1;
+	if (ppdMarkOption(ppd, "InputSlot", s))
+          conflict = 1;
+	if (ppdMarkOption(ppd, "MediaType", s))
+          conflict = 1;
+	if (ppdMarkOption(ppd, "EFMediaQualityMode", s))	/* EFI */
+          conflict = 1;
+	if (strcasecmp(s, "manual") == 0)
+          if (ppdMarkOption(ppd, "ManualFeed", "True"))
+	    conflict = 1;
+      }
+    }
+    else if (strcasecmp(options->name, "sides") == 0)
+    {
+      if (strcasecmp(options->value, "one-sided") == 0)
+      {
+        if (ppdMarkOption(ppd, "Duplex", "None"))
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "JCLDuplex", "None"))	/* Samsung */
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "EFDuplex", "None"))	/* EFI */
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "KD03Duplex", "None"))	/* Kodak */
+	  conflict = 1;
+      }
+      else if (strcasecmp(options->value, "two-sided-long-edge") == 0)
+      {
+        if (ppdMarkOption(ppd, "Duplex", "DuplexNoTumble"))
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "JCLDuplex", "DuplexNoTumble"))	/* Samsung */
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "EFDuplex", "DuplexNoTumble"))	/* EFI */
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "KD03Duplex", "DuplexNoTumble"))	/* Kodak */
+	  conflict = 1;
+      }
+      else if (strcasecmp(options->value, "two-sided-short-edge") == 0)
+      {
+        if (ppdMarkOption(ppd, "Duplex", "DuplexTumble"))
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "JCLDuplex", "DuplexTumble"))	/* Samsung */
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "EFDuplex", "DuplexTumble"))	/* EFI */
+	  conflict = 1;
+        if (ppdMarkOption(ppd, "KD03Duplex", "DuplexTumble"))	/* Kodak */
+	  conflict = 1;
+      }
+    }
+    else if (strcasecmp(options->name, "resolution") == 0 ||
+             strcasecmp(options->name, "printer-resolution") == 0)
+    {
+      if (ppdMarkOption(ppd, "Resolution", options->value))
+        conflict = 1;
+      if (ppdMarkOption(ppd, "SetResolution", options->value))
+      	/* Calcomp, Linotype, QMS, Summagraphics, Tektronix, Varityper */
+        conflict = 1;
+      if (ppdMarkOption(ppd, "JCLResolution", options->value))	/* HP */
+        conflict = 1;
+      if (ppdMarkOption(ppd, "CNRes_PGP", options->value))	/* Canon */
+        conflict = 1;
+    }
+    else if (strcasecmp(options->name, "output-bin") == 0)
+    {
+      if (ppdMarkOption(ppd, "OutputBin", options->value))
+        conflict = 1;
+    }
+    else if (ppdMarkOption(ppd, options->name, options->value))
+      conflict = 1;
+
+  return (conflict);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/page.c b/cups/page.c
new file mode 100644
index 000000000..16cc03c15
--- /dev/null
+++ b/cups/page.c
@@ -0,0 +1,189 @@
+/*
+ * "$Id$"
+ *
+ *   Page size functions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   PostScript is a trademark of Adobe Systems, Inc.
+ *
+ * Contents:
+ *
+ *   ppdPageSize()   - Get the page size record for the given size.
+ *   ppdPageWidth()  - Get the page width for the given size.
+ *   ppdPageLength() - Get the page length for the given size.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "ppd.h"
+#include "string.h"
+#include <ctype.h>
+
+
+/*
+ * 'ppdPageSize()' - Get the page size record for the given size.
+ */
+
+ppd_size_t *			/* O - Size record for page or NULL */
+ppdPageSize(ppd_file_t *ppd,	/* I - PPD file record */
+            const char *name)	/* I - Size name */
+{
+  int	i;			/* Looping var */
+  float	w, l;			/* Width and length of page */
+  char	units[255];		/* Page size units... */
+
+
+  if (ppd == NULL)
+    return (NULL);
+
+  if (name != NULL)
+  {
+    if (strncmp(name, "Custom.", 7) == 0 && ppd->variable_sizes)
+    {
+     /*
+      * Find the custom page size...
+      */
+
+      for (i = 0; i < ppd->num_sizes; i ++)
+	if (strcmp("Custom", ppd->sizes[i].name) == 0)
+          break;
+
+      if (i == ppd->num_sizes)
+        return (NULL);
+
+     /*
+      * Variable size; size name can be one of the following:
+      *
+      *    Custom.WIDTHxLENGTHin    - Size in inches
+      *    Custom.WIDTHxLENGTHcm    - Size in centimeters
+      *    Custom.WIDTHxLENGTHmm    - Size in millimeters
+      *    Custom.WIDTHxLENGTH[pt]  - Size in points
+      */
+
+      units[0] = '\0';
+      if (sscanf(name + 7, "%fx%f%254s", &w, &l, units) < 2)
+        return (NULL);
+
+      if (strcasecmp(units, "in") == 0)
+      {
+        ppd->sizes[i].width  = w * 72.0f;
+	ppd->sizes[i].length = l * 72.0f;
+	ppd->sizes[i].left   = ppd->custom_margins[0];
+	ppd->sizes[i].bottom = ppd->custom_margins[1];
+	ppd->sizes[i].right  = w * 72.0f - ppd->custom_margins[2];
+	ppd->sizes[i].top    = l * 72.0f - ppd->custom_margins[3];
+      }
+      else if (strcasecmp(units, "cm") == 0)
+      {
+        ppd->sizes[i].width  = w / 2.54f * 72.0f;
+	ppd->sizes[i].length = l / 2.54f * 72.0f;
+	ppd->sizes[i].left   = ppd->custom_margins[0];
+	ppd->sizes[i].bottom = ppd->custom_margins[1];
+	ppd->sizes[i].right  = w / 2.54f * 72.0f - ppd->custom_margins[2];
+	ppd->sizes[i].top    = l / 2.54f * 72.0f - ppd->custom_margins[3];
+      }
+      else if (strcasecmp(units, "mm") == 0)
+      {
+        ppd->sizes[i].width  = w / 25.4f * 72.0f;
+	ppd->sizes[i].length = l / 25.4f * 72.0f;
+	ppd->sizes[i].left   = ppd->custom_margins[0];
+	ppd->sizes[i].bottom = ppd->custom_margins[1];
+	ppd->sizes[i].right  = w / 25.4f * 72.0f - ppd->custom_margins[2];
+	ppd->sizes[i].top    = l / 25.4f * 72.0f - ppd->custom_margins[3];
+      }
+      else
+      {
+        ppd->sizes[i].width  = w;
+	ppd->sizes[i].length = l;
+	ppd->sizes[i].left   = ppd->custom_margins[0];
+	ppd->sizes[i].bottom = ppd->custom_margins[1];
+	ppd->sizes[i].right  = w - ppd->custom_margins[2];
+	ppd->sizes[i].top    = l - ppd->custom_margins[3];
+      }
+
+      return (ppd->sizes + i);
+    }
+    else
+    {
+     /*
+      * Lookup by name...
+      */
+
+      for (i = 0; i < ppd->num_sizes; i ++)
+	if (strcmp(name, ppd->sizes[i].name) == 0)
+          return (ppd->sizes + i);
+    }
+  }
+  else
+  {
+   /*
+    * Find default...
+    */
+
+    for (i = 0; i < ppd->num_sizes; i ++)
+      if (ppd->sizes[i].marked)
+        return (ppd->sizes + i);
+  }
+
+  return (NULL);
+}
+
+
+/*
+ * 'ppdPageWidth()' - Get the page width for the given size.
+ */
+
+float				/* O - Width of page in points or 0.0 */
+ppdPageWidth(ppd_file_t *ppd,	/* I - PPD file record */
+             const char *name)	/* I - Size name */
+{
+  ppd_size_t	*size;		/* Page size */
+
+
+  if ((size = ppdPageSize(ppd, name)) == NULL)
+    return (0.0);
+  else
+    return (size->width);
+}
+
+
+/*
+ * 'ppdPageLength()' - Get the page length for the given size.
+ */
+
+float				/* O - Length of page in points or 0.0 */
+ppdPageLength(ppd_file_t *ppd,	/* I - PPD file */
+              const char *name)	/* I - Size name */
+{
+  ppd_size_t	*size;		/* Page size */
+
+
+  if ((size = ppdPageSize(ppd, name)) == NULL)
+    return (0.0);
+  else
+    return (size->length);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/ppd.c b/cups/ppd.c
new file mode 100644
index 000000000..b14c42987
--- /dev/null
+++ b/cups/ppd.c
@@ -0,0 +1,2006 @@
+/*
+ * "$Id$"
+ *
+ *   PPD file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   PostScript is a trademark of Adobe Systems, Inc.
+ *
+ *   This code and any derivative of it may be used and distributed
+ *   freely under the terms of the GNU General Public License when
+ *   used with GNU Ghostscript or its derivatives.  Use of the code
+ *   (or any derivative of it) with software other than GNU
+ *   GhostScript (or its derivatives) is governed by the CUPS license
+ *   agreement.
+ *
+ * Contents:
+ *
+ *   ppdClose()        - Free all memory used by the PPD file.
+ *   ppd_free_group()  - Free a single UI group.
+ *   ppd_free_option() - Free a single option.
+ *   ppdOpen()         - Read a PPD file into memory.
+ *   ppdOpenFd()       - Read a PPD file into memory.
+ *   ppdOpenFile()     - Read a PPD file into memory.
+ *   ppd_read()        - Read a line from a PPD file, skipping comment lines
+ *                       as necessary.
+ *   compare_strings() - Compare two strings.
+ *   compare_groups()  - Compare two groups.
+ *   compare_options() - Compare two options.
+ *   compare_choices() - Compare two choices.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include "ppd.h"
+#include <stdlib.h>
+#include <ctype.h>
+#include "string.h"
+#include "language.h"
+#include "debug.h"
+
+
+/*
+ * Definitions...
+ */
+
+#if defined(WIN32) || defined(__EMX__)
+#  define READ_BINARY	"rb"		/* Open a binary file for reading */
+#  define WRITE_BINARY	"wb"		/* Open a binary file for writing */
+#else
+#  define READ_BINARY	"r"		/* Open a binary file for reading */
+#  define WRITE_BINARY	"w"		/* Open a binary file for writing */
+#endif /* WIN32 || __EMX__ */
+
+#define safe_free(p)	if (p) free(p)	/* Safe free macro */
+
+#define PPD_KEYWORD	1		/* Line contained a keyword */
+#define PPD_OPTION	2		/* Line contained an option name */
+#define PPD_TEXT	4		/* Line contained human-readable text */
+#define PPD_STRING	8		/* Line contained a string or code */
+
+
+/*
+ * Local functions...
+ */
+
+static int		compare_strings(char *s, char *t);
+static int		compare_groups(ppd_group_t *g0, ppd_group_t *g1);
+static int		compare_options(ppd_option_t *o0, ppd_option_t *o1);
+static int		compare_choices(ppd_choice_t *c0, ppd_choice_t *c1);
+static int		ppd_read(FILE *fp, char *keyword, char *option,
+			         char *text, char **string);
+static void		ppd_decode(char *string);
+static void		ppd_fix(char *string);
+static void		ppd_free_group(ppd_group_t *group);
+static void		ppd_free_option(ppd_option_t *option);
+static ppd_group_t	*ppd_get_group(ppd_file_t *ppd, char *name);
+static ppd_option_t	*ppd_get_option(ppd_group_t *group, char *name);
+static ppd_choice_t	*ppd_add_choice(ppd_option_t *option, char *name);
+
+
+/*
+ * 'ppdClose()' - Free all memory used by the PPD file.
+ */
+
+void
+ppdClose(ppd_file_t *ppd)	/* I - PPD file record */
+{
+  int		i;		/* Looping var */
+  ppd_emul_t	*emul;		/* Current emulation */
+  ppd_group_t	*group;		/* Current group */
+  char		**font;		/* Current font */
+  char		**filter;	/* Current filter */
+
+
+ /*
+  * Range check the PPD file record...
+  */
+
+  if (ppd == NULL)
+    return;
+
+ /*
+  * Free all strings at the top level...
+  */
+
+  safe_free(ppd->patches);
+  safe_free(ppd->jcl_begin);
+  safe_free(ppd->jcl_ps);
+  safe_free(ppd->jcl_end);
+  safe_free(ppd->lang_encoding);
+  safe_free(ppd->lang_version);
+  safe_free(ppd->modelname);
+  safe_free(ppd->ttrasterizer);
+  safe_free(ppd->manufacturer);
+  safe_free(ppd->product);
+  safe_free(ppd->nickname);
+  safe_free(ppd->shortnickname);
+
+ /*
+  * Free any emulations...
+  */
+
+  if (ppd->num_emulations > 0)
+  {
+    for (i = ppd->num_emulations, emul = ppd->emulations; i > 0; i --, emul ++)
+    {
+      safe_free(emul->start);
+      safe_free(emul->stop);
+    }
+
+    safe_free(ppd->emulations);
+  }
+
+ /*
+  * Free any UI groups, subgroups, and options...
+  */
+
+  if (ppd->num_groups > 0)
+  {
+    for (i = ppd->num_groups, group = ppd->groups; i > 0; i --, group ++)
+      ppd_free_group(group);
+
+    safe_free(ppd->groups);
+  }
+
+ /*
+  * Free any page sizes...
+  */
+
+  if (ppd->num_sizes > 0)
+    safe_free(ppd->sizes);
+
+ /*
+  * Free any constraints...
+  */
+
+  if (ppd->num_consts > 0)
+    safe_free(ppd->consts);
+
+ /*
+  * Free any filters...
+  */
+
+  if (ppd->num_filters > 0)
+  {
+    for (i = ppd->num_filters, filter = ppd->filters; i > 0; i --, filter ++)
+      safe_free(*filter);
+
+    safe_free(ppd->filters);
+  }
+
+ /*
+  * Free any fonts...
+  */
+
+  if (ppd->num_fonts > 0)
+  {
+    for (i = ppd->num_fonts, font = ppd->fonts; i > 0; i --, font ++)
+      safe_free(*font);
+
+    safe_free(ppd->fonts);
+  }
+
+ /*
+  * Free any profiles...
+  */
+
+  if (ppd->num_profiles > 0)
+    safe_free(ppd->profiles);
+
+ /*
+  * Free the whole record...
+  */
+
+  safe_free(ppd);
+}
+
+
+/*
+ * 'ppd_free_group()' - Free a single UI group.
+ */
+
+static void
+ppd_free_group(ppd_group_t *group)	/* I - Group to free */
+{
+  int		i;		/* Looping var */
+  ppd_option_t	*option;	/* Current option */
+  ppd_group_t	*subgroup;	/* Current sub-group */
+
+
+  if (group->num_options > 0)
+  {
+    for (i = group->num_options, option = group->options;
+         i > 0;
+	 i --, option ++)
+      ppd_free_option(option);
+
+    safe_free(group->options);
+  }
+
+  if (group->num_subgroups > 0)
+  {
+    for (i = group->num_subgroups, subgroup = group->subgroups;
+         i > 0;
+	 i --, subgroup ++)
+      ppd_free_group(subgroup);
+
+    safe_free(group->subgroups);
+  }
+}
+
+
+/*
+ * 'ppd_free_option()' - Free a single option.
+ */
+
+static void
+ppd_free_option(ppd_option_t *option)	/* I - Option to free */
+{
+  int		i;		/* Looping var */
+  ppd_choice_t	*choice;	/* Current choice */
+
+
+  if (option->num_choices > 0)
+  {
+    for (i = option->num_choices, choice = option->choices;
+         i > 0;
+         i --, choice ++)
+      safe_free(choice->code);
+
+    safe_free(option->choices);
+  }
+}
+
+
+/*
+ * 'ppd_get_group()' - Find or create the named group as needed.
+ */
+
+static ppd_group_t *		/* O - Named group */
+ppd_get_group(ppd_file_t *ppd,	/* I - PPD file */
+              char       *name)	/* I - Name of group */
+{
+  int		i;		/* Looping var */
+  ppd_group_t	*group;		/* Group */
+
+
+  DEBUG_printf(("ppd_get_group(%p, \"%s\")\n", ppd, name));
+
+  for (i = ppd->num_groups, group = ppd->groups; i > 0; i --, group ++)
+    if (strcmp(group->text, name) == 0)
+      break;
+
+  if (i == 0)
+  {
+    DEBUG_printf(("Adding group %s...\n", name));
+
+    if (ppd->num_groups == 0)
+      group = malloc(sizeof(ppd_group_t));
+    else
+      group = realloc(ppd->groups,
+	              (ppd->num_groups + 1) * sizeof(ppd_group_t));
+
+    if (group == NULL)
+      return (NULL);
+
+    ppd->groups = group;
+    group += ppd->num_groups;
+    ppd->num_groups ++;
+
+    memset(group, 0, sizeof(ppd_group_t));
+    strncpy(group->text, name, sizeof(group->text) - 1);
+  }
+
+  return (group);
+}
+
+
+/*
+ * 'ppd_get_option()' - Find or create the named option as needed.
+ */
+
+static ppd_option_t *			/* O - Named option */
+ppd_get_option(ppd_group_t *group,	/* I - Group */
+               char        *name)	/* I - Name of option */
+{
+  int		i;			/* Looping var */
+  ppd_option_t	*option;		/* Option */
+
+
+  for (i = group->num_options, option = group->options; i > 0; i --, option ++)
+    if (strcmp(option->keyword, name) == 0)
+      break;
+
+  if (i == 0)
+  {
+    if (group->num_options == 0)
+      option = malloc(sizeof(ppd_option_t));
+    else
+      option = realloc(group->options,
+	               (group->num_options + 1) * sizeof(ppd_option_t));
+
+    if (option == NULL)
+      return (NULL);
+
+    group->options = option;
+    option += group->num_options;
+    group->num_options ++;
+
+    memset(option, 0, sizeof(ppd_option_t));
+    strncpy(option->keyword, name, sizeof(option->keyword) - 1);
+  }
+
+  return (option);
+}
+
+
+/*
+ * 'ppd_add_choice()' - Add a choice to an option.
+ */
+
+static ppd_choice_t *			/* O - Named choice */
+ppd_add_choice(ppd_option_t *option,	/* I - Option */
+               char         *name)	/* I - Name of choice */
+{
+  ppd_choice_t	*choice;		/* Choice */
+
+
+  if (option->num_choices == 0)
+    choice = malloc(sizeof(ppd_choice_t));
+  else
+    choice = realloc(option->choices,
+	             sizeof(ppd_choice_t) * (option->num_choices + 1));
+
+  if (choice == NULL)
+    return (NULL);
+
+  option->choices = choice;
+  choice += option->num_choices;
+  option->num_choices ++;
+
+  memset(choice, 0, sizeof(ppd_choice_t));
+  strncpy(choice->choice, name, sizeof(choice->choice) - 1);
+
+  return (choice);
+}
+
+
+/*
+ * 'ppd_add_size()' - Add a page size.
+ */
+
+static ppd_size_t *		/* O - Named size */
+ppd_add_size(ppd_file_t *ppd,	/* I - PPD file */
+             char       *name)	/* I - Name of size */
+{
+  ppd_size_t	*size;		/* Size */
+
+
+  if (ppd->num_sizes == 0)
+    size = malloc(sizeof(ppd_size_t));
+  else
+    size = realloc(ppd->sizes, sizeof(ppd_size_t) * (ppd->num_sizes + 1));
+
+  if (size == NULL)
+    return (NULL);
+
+  ppd->sizes = size;
+  size += ppd->num_sizes;
+  ppd->num_sizes ++;
+
+  memset(size, 0, sizeof(ppd_size_t));
+  strncpy(size->name, name, sizeof(size->name) - 1);
+
+  return (size);
+}
+
+
+/*
+ * 'ppdOpen()' - Read a PPD file into memory.
+ */
+
+ppd_file_t *			/* O - PPD file record */
+ppdOpen(FILE *fp)		/* I - File to read from */
+{
+  int		i, j, k, m;	/* Looping vars */
+  int		count;		/* Temporary count */
+  ppd_file_t	*ppd;		/* PPD file record */
+  ppd_group_t	*group,		/* Current group */
+		*subgroup;	/* Current sub-group */
+  ppd_option_t	*option;	/* Current option */
+  ppd_choice_t	*choice;	/* Current choice */
+  ppd_const_t	*constraint;	/* Current constraint */
+  ppd_size_t	*size;		/* Current page size */
+  int		mask;		/* Line data mask */
+  char		keyword[PPD_MAX_NAME],
+  				/* Keyword from file */
+		name[PPD_MAX_NAME],
+				/* Option from file */
+		text[PPD_MAX_TEXT],
+				/* Human-readable text from file */
+		*string,	/* Code/text from file */
+		*sptr,		/* Pointer into string */
+		*nameptr,	/* Pointer into name */
+		*temp,		/* Temporary string pointer */
+		**tempfonts;	/* Temporary fonts pointer */
+  float		order;		/* Order dependency number */
+  ppd_section_t	section;	/* Order dependency section */
+  ppd_profile_t	*profile;	/* Pointer to color profile */
+  char		**filter;	/* Pointer to filter */
+  cups_lang_t	*language;	/* Default language */
+
+
+ /*
+  * Get the default language for the user...
+  */
+
+  language = cupsLangDefault();
+
+ /*
+  * Range check input...
+  */
+
+  if (fp == NULL)
+    return (NULL);
+
+ /*
+  * Grab the first line and make sure it reads '*PPD-Adobe: "major.minor"'...
+  */
+
+  mask = ppd_read(fp, keyword, name, text, &string);
+
+  if (mask == 0 ||
+      strcmp(keyword, "PPD-Adobe") != 0 ||
+      string == NULL || string[0] != '4')
+  {
+   /*
+    * Either this is not a PPD file, or it is not a 4.x PPD file.
+    */
+
+    safe_free(string);
+
+    return (NULL);
+  }
+
+  DEBUG_printf(("ppdOpen: keyword = %s, string = %08x\n", keyword, string));
+
+  safe_free(string);
+
+ /*
+  * Allocate memory for the PPD file record...
+  */
+
+  if ((ppd = calloc(sizeof(ppd_file_t), 1)) == NULL)
+    return (NULL);
+
+  ppd->language_level = 1;
+  ppd->color_device   = 0;
+  ppd->colorspace     = PPD_CS_GRAY;
+  ppd->landscape      = 90;
+
+ /*
+  * Read lines from the PPD file and add them to the file record...
+  */
+
+  group    = NULL;
+  subgroup = NULL;
+  option   = NULL;
+  choice   = NULL;
+
+  while ((mask = ppd_read(fp, keyword, name, text, &string)) != 0)
+  {
+#ifdef DEBUG
+    printf("mask = %x, keyword = \"%s\"", mask, keyword);
+
+    if (name[0] != '\0')
+      printf(", name = \"%s\"", name);
+
+    if (text[0] != '\0')
+      printf(", text = \"%s\"", text);
+
+    if (string != NULL)
+    {
+      if (strlen(string) > 40)
+        printf(", string = %08x", string);
+      else
+        printf(", string = \"%s\"", string);
+    }
+
+    puts("");
+#endif /* DEBUG */
+
+    if (strcmp(keyword, "CloseUI") != 0 &&
+        strcmp(keyword, "JCLCloseUI") != 0 &&
+        strcmp(keyword, "CloseGroup") != 0 &&
+	strcmp(keyword, "CloseSubGroup") != 0 &&
+	strncmp(keyword, "Default", 7) != 0 &&
+	string == NULL)
+    {
+     /*
+      * Need a string value!
+      */
+
+      ppdClose(ppd);
+      return (NULL);
+    }
+
+    if (strcmp(keyword, "LanguageLevel") == 0)
+      ppd->language_level = atoi(string);
+    else if (strcmp(keyword, "LanguageEncoding") == 0)
+    {
+      ppd->lang_encoding = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "LanguageVersion") == 0)
+    {
+      ppd->lang_version = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "Manufacturer") == 0)
+    {
+      ppd->manufacturer = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "ModelName") == 0)
+    {
+      ppd->modelname = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "NickName") == 0)
+    {
+      ppd->nickname = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "Product") == 0)
+    {
+      ppd->product = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "ShortNickName") == 0)
+    {
+      ppd->shortnickname = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "TTRasterizer") == 0)
+    {
+      ppd->ttrasterizer = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "JCLBegin") == 0)
+    {
+      ppd_decode(string);		/* Decode quoted string */
+      ppd->jcl_begin = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "JCLEnd") == 0)
+    {
+      ppd_decode(string);		/* Decode quoted string */
+      ppd->jcl_end = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "JCLToPSInterpreter") == 0)
+    {
+      ppd_decode(string);		/* Decode quoted string */
+      ppd->jcl_ps = string;
+      string = NULL;			/* Don't free this string below */
+    }
+    else if (strcmp(keyword, "AccurateScreensSupport") == 0)
+      ppd->accurate_screens = strcmp(string, "True") == 0;
+    else if (strcmp(keyword, "ColorDevice") == 0)
+      ppd->color_device = strcmp(string, "True") == 0;
+    else if (strcmp(keyword, "ContoneOnly") == 0)
+      ppd->contone_only = strcmp(string, "True") == 0;
+    else if (strcmp(keyword, "DefaultColorSpace") == 0)
+    {
+      if (strcmp(string, "CMY") == 0)
+        ppd->colorspace = PPD_CS_CMY;
+      else if (strcmp(string, "CMYK") == 0)
+        ppd->colorspace = PPD_CS_CMYK;
+      else if (strcmp(string, "RGB") == 0)
+        ppd->colorspace = PPD_CS_RGB;
+      else if (strcmp(string, "RGBK") == 0)
+        ppd->colorspace = PPD_CS_RGBK;
+      else if (strcmp(string, "N") == 0)
+        ppd->colorspace = PPD_CS_N;
+      else
+        ppd->colorspace = PPD_CS_GRAY;
+    }
+    else if (strcmp(keyword, "cupsFlipDuplex") == 0)
+      ppd->flip_duplex = strcmp(string, "True") == 0;
+    else if (strcmp(keyword, "cupsManualCopies") == 0)
+      ppd->manual_copies = strcmp(string, "True") == 0;
+    else if (strcmp(keyword, "cupsModelNumber") == 0)
+      ppd->model_number = atoi(string);
+    else if (strcmp(keyword, "cupsColorProfile") == 0)
+    {
+      if (ppd->num_profiles == 0)
+        profile = malloc(sizeof(ppd_profile_t));
+      else
+        profile = realloc(ppd->profiles, sizeof(ppd_profile_t) *
+	                                 (ppd->num_profiles + 1));
+
+      ppd->profiles     = profile;
+      profile           += ppd->num_profiles;
+      ppd->num_profiles ++;
+
+      memset(profile, 0, sizeof(ppd_profile_t));
+      strncpy(profile->resolution, name, sizeof(profile->resolution) - 1);
+      strncpy(profile->media_type, text, sizeof(profile->media_type) - 1);
+      sscanf(string, "%f%f%f%f%f%f%f%f%f%f%f", &(profile->density),
+	     &(profile->gamma),
+	     profile->matrix[0] + 0, profile->matrix[0] + 1,
+	     profile->matrix[0] + 2, profile->matrix[1] + 0,
+	     profile->matrix[1] + 1, profile->matrix[1] + 2,
+	     profile->matrix[2] + 0, profile->matrix[2] + 1,
+	     profile->matrix[2] + 2);
+    }
+    else if (strcmp(keyword, "cupsFilter") == 0)
+    {
+      if (ppd->num_filters == 0)
+        filter = malloc(sizeof(char *));
+      else
+        filter = realloc(ppd->filters, sizeof(char *) * (ppd->num_filters + 1));
+
+      if (filter == NULL)
+      {
+        safe_free(filter);
+	ppdClose(ppd);
+	return (NULL);
+      }
+
+      ppd->filters     = filter;
+      filter           += ppd->num_filters;
+      ppd->num_filters ++;
+
+     /*
+      * Copy filter string and prevent it from being freed below...
+      */
+
+      *filter = string;
+      string  = NULL;
+    }
+    else if (strcmp(keyword, "Throughput") == 0)
+      ppd->throughput = atoi(string);
+    else if (strcmp(keyword, "Font") == 0)
+    {
+     /*
+      * Add this font to the list of available fonts...
+      */
+
+      if (ppd->num_fonts == 0)
+        tempfonts = (char **)malloc(sizeof(char *));
+      else
+        tempfonts = (char **)realloc(ppd->fonts,
+	                             sizeof(char *) * (ppd->num_fonts + 1));
+
+      if (tempfonts == NULL)
+      {
+        safe_free(string);
+        ppdClose(ppd);
+	return (NULL);
+      }
+      
+      ppd->fonts                 = tempfonts;
+      ppd->fonts[ppd->num_fonts] = strdup(name);
+      ppd->num_fonts ++;
+    }
+    else if (strcmp(keyword, "VariablePaperSize") == 0 &&
+             strcmp(string, "True") == 0 &&
+	     !ppd->variable_sizes)
+    {
+      ppd->variable_sizes = 1;
+
+     /*
+      * Add a "Custom" page size entry...
+      */
+
+      ppd_add_size(ppd, "Custom");
+
+     /*
+      * Add a "Custom" page size option...
+      */
+
+      if ((option = ppdFindOption(ppd, "PageSize")) == NULL)
+      {
+        ppd_group_t	*temp;
+
+
+	if ((temp = ppd_get_group(ppd,
+                                  cupsLangString(language,
+                                                 CUPS_MSG_GENERAL))) == NULL)
+	{
+          ppdClose(ppd);
+	  safe_free(string);
+	  return (NULL);
+	}
+
+	if ((option = ppd_get_option(temp, "PageSize")) == NULL)
+	{
+          ppdClose(ppd);
+	  safe_free(string);
+	  return (NULL);
+	}
+      }
+
+      if ((choice = ppd_add_choice(option, "Custom")) == NULL)
+      {
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      strncpy(choice->text, cupsLangString(language, CUPS_MSG_VARIABLE),
+              sizeof(choice->text) - 1);
+      option = NULL;
+    }
+    else if (strcmp(keyword, "MaxMediaWidth") == 0)
+      ppd->custom_max[0] = (float)atof(string);
+    else if (strcmp(keyword, "MaxMediaHeight") == 0)
+      ppd->custom_max[1] = (float)atof(string);
+    else if (strcmp(keyword, "ParamCustomPageSize") == 0)
+    {
+      if (strcmp(name, "Width") == 0)
+        sscanf(string, "%*s%*s%f%f", ppd->custom_min + 0,
+	       ppd->custom_max + 0);
+      else if (strcmp(name, "Height") == 0)
+        sscanf(string, "%*s%*s%f%f", ppd->custom_min + 1,
+	       ppd->custom_max + 1);
+    }
+    else if (strcmp(keyword, "HWMargins") == 0)
+      sscanf(string, "%f%f%f%f", ppd->custom_margins + 0,
+             ppd->custom_margins + 1, ppd->custom_margins + 2,
+             ppd->custom_margins + 3);
+    else if (strcmp(keyword, "CustomPageSize") == 0 &&
+             strcmp(name, "True") == 0)
+    {
+      if (!ppd->variable_sizes)
+      {
+	ppd->variable_sizes = 1;
+
+       /*
+	* Add a "Custom" page size entry...
+	*/
+
+	ppd_add_size(ppd, "Custom");
+
+       /*
+	* Add a "Custom" page size option...
+	*/
+
+        if ((option = ppdFindOption(ppd, "PageSize")) == NULL)
+	{
+	  ppd_group_t	*temp;
+
+
+	  if ((temp = ppd_get_group(ppd,
+                                    cupsLangString(language,
+                                                   CUPS_MSG_GENERAL))) == NULL)
+	  {
+	    DEBUG_puts("Unable to get general group!");
+            ppdClose(ppd);
+	    safe_free(string);
+	    return (NULL);
+	  }
+
+	  if ((option = ppd_get_option(temp, "PageSize")) == NULL)
+	  {
+	    DEBUG_puts("Unable to get PageSize option!");
+            ppdClose(ppd);
+	    safe_free(string);
+	    return (NULL);
+	  }
+        }
+
+	if ((choice = ppd_add_choice(option, "Custom")) == NULL)
+	{
+	  DEBUG_puts("Unable to add Custom choice!");
+          ppdClose(ppd);
+	  safe_free(string);
+	  return (NULL);
+	}
+
+	strncpy(choice->text, cupsLangString(language, CUPS_MSG_VARIABLE),
+        	sizeof(choice->text) - 1);
+	option = NULL;
+      }
+
+      if ((option = ppdFindOption(ppd, "PageSize")) == NULL)
+      {
+	DEBUG_puts("Unable to find PageSize option!");
+	ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      if ((choice = ppdFindChoice(option, "Custom")) == NULL)
+      {
+	DEBUG_puts("Unable to find Custom choice!");
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      choice->code = string;
+      string = NULL;
+      option = NULL;
+    }
+    else if (strcmp(keyword, "LandscapeOrientation") == 0)
+    {
+      if (strcmp(string, "Minus90") == 0)
+        ppd->landscape = -90;
+      else
+        ppd->landscape = 90;
+    }
+    else if (strcmp(keyword, "Emulators") == 0)
+    {
+      for (count = 1, sptr = string; sptr != NULL;)
+        if ((sptr = strchr(sptr, ' ')) != NULL)
+	{
+	  count ++;
+	  while (*sptr == ' ')
+	    sptr ++;
+	}
+
+      ppd->num_emulations = count;
+      ppd->emulations     = calloc(sizeof(ppd_emul_t), count);
+
+      for (i = 0, sptr = string; i < count; i ++)
+      {
+        for (nameptr = ppd->emulations[i].name;
+	     *sptr != '\0' && *sptr != ' ';
+	     sptr ++)
+	  if (nameptr < (ppd->emulations[i].name + sizeof(ppd->emulations[i].name) - 1))
+	    *nameptr++ = *sptr;
+
+	*nameptr = '\0';
+
+	while (*sptr == ' ')
+	  sptr ++;
+      }
+    }
+    else if (strncmp(keyword, "StartEmulator_", 14) == 0)
+    {
+      ppd_decode(string);
+
+      for (i = 0; i < ppd->num_emulations; i ++)
+        if (strcmp(keyword + 14, ppd->emulations[i].name) == 0)
+	{
+	  ppd->emulations[i].start = string;
+	  string = NULL;
+	}
+    }
+    else if (strncmp(keyword, "StopEmulator_", 13) == 0)
+    {
+      ppd_decode(string);
+
+      for (i = 0; i < ppd->num_emulations; i ++)
+        if (strcmp(keyword + 13, ppd->emulations[i].name) == 0)
+	{
+	  ppd->emulations[i].stop = string;
+	  string = NULL;
+	}
+    }
+    else if (strcmp(keyword, "JobPatchFile") == 0)
+    {
+      if (ppd->patches == NULL)
+      {
+        ppd->patches = string;
+	string       = NULL;
+      }
+      else
+      {
+        temp = realloc(ppd->patches, strlen(ppd->patches) +
+	                             strlen(string) + 1);
+        if (temp == NULL)
+	{
+	  safe_free(string);
+	  ppdClose(ppd);
+	  return (NULL);
+	}
+
+        ppd->patches = temp;
+
+        strcpy(ppd->patches + strlen(ppd->patches), string);
+      }
+    }
+    else if (strcmp(keyword, "OpenUI") == 0)
+    {
+     /*
+      * Add an option record to the current sub-group, group, or file...
+      */
+
+      if (name[0] == '*')
+        strcpy(name, name + 1); /* Eliminate leading asterisk */
+
+      for (i = strlen(name) - 1; i > 0 && isspace(name[i]); i --)
+        name[i] = '\0'; /* Eliminate trailing spaces */
+
+      DEBUG_printf(("OpenUI of %s in group %s...\n", name,
+                    group ? group->text : "(null)"));
+
+      if (subgroup != NULL)
+        option = ppd_get_option(subgroup, name);
+      else if (group == NULL)
+      {
+        if (strcmp(name, "Collate") != 0 &&
+            strcmp(name, "Duplex") != 0 &&
+            strcmp(name, "InputSlot") != 0 &&
+            strcmp(name, "ManualFeed") != 0 &&
+            strcmp(name, "MediaType") != 0 &&
+            strcmp(name, "MediaColor") != 0 &&
+            strcmp(name, "MediaWeight") != 0 &&
+            strcmp(name, "OutputBin") != 0 &&
+            strcmp(name, "OutputMode") != 0 &&
+            strcmp(name, "OutputOrder") != 0 &&
+	    strcmp(name, "PageSize") != 0 &&
+            strcmp(name, "PageRegion") != 0)
+	  group = ppd_get_group(ppd, cupsLangString(language, CUPS_MSG_EXTRA));
+	else
+	  group = ppd_get_group(ppd, cupsLangString(language, CUPS_MSG_GENERAL));
+
+        if (group == NULL)
+	{
+	  ppdClose(ppd);
+	  safe_free(string);
+	  return (NULL);
+	}
+
+        DEBUG_printf(("Adding to group %s...\n", group->text));
+        option = ppd_get_option(group, name);
+	group  = NULL;
+      }
+      else
+        option = ppd_get_option(group, name);
+
+      if (option == NULL)
+      {
+	ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+     /*
+      * Now fill in the initial information for the option...
+      */
+
+      if (strcmp(string, "PickMany") == 0)
+        option->ui = PPD_UI_PICKMANY;
+      else if (strcmp(string, "Boolean") == 0)
+        option->ui = PPD_UI_BOOLEAN;
+      else
+        option->ui = PPD_UI_PICKONE;
+
+      if (text[0])
+      {
+        strncpy(option->text, text, sizeof(option->text) - 1);
+	ppd_fix(option->text);
+      }
+      else
+      {
+        if (strcmp(name, "PageSize") == 0)
+	  strncpy(option->text, cupsLangString(language, CUPS_MSG_MEDIA_SIZE),
+                  sizeof(option->text) - 1);
+	else if (strcmp(name, "MediaType") == 0)
+	  strncpy(option->text, cupsLangString(language, CUPS_MSG_MEDIA_TYPE),
+                  sizeof(option->text) - 1);
+	else if (strcmp(name, "InputSlot") == 0)
+	  strncpy(option->text, cupsLangString(language, CUPS_MSG_MEDIA_SOURCE),
+                  sizeof(option->text) - 1);
+	else if (strcmp(name, "ColorModel") == 0)
+	  strncpy(option->text, cupsLangString(language, CUPS_MSG_OUTPUT_MODE),
+                  sizeof(option->text) - 1);
+	else if (strcmp(name, "Resolution") == 0)
+	  strncpy(option->text, cupsLangString(language, CUPS_MSG_RESOLUTION),
+                  sizeof(option->text) - 1);
+        else
+	  strncpy(option->text, name, sizeof(option->text) - 1);
+      }
+
+      option->section = PPD_ORDER_ANY;
+    }
+    else if (strcmp(keyword, "JCLOpenUI") == 0)
+    {
+     /*
+      * Find the JCL group, and add if needed...
+      */
+
+      group = ppd_get_group(ppd, "JCL");
+
+      if (group == NULL)
+      {
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+     /*
+      * Add an option record to the current JCLs...
+      */
+
+      if (name[0] == '*')
+        strcpy(name, name + 1);
+
+      option = ppd_get_option(group, name);
+
+      if (option == NULL)
+      {
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+     /*
+      * Now fill in the initial information for the option...
+      */
+
+      if (strcmp(string, "PickMany") == 0)
+        option->ui = PPD_UI_PICKMANY;
+      else if (strcmp(string, "Boolean") == 0)
+        option->ui = PPD_UI_BOOLEAN;
+      else
+        option->ui = PPD_UI_PICKONE;
+
+      strncpy(option->text, text, sizeof(option->text) - 1);
+
+      option->section = PPD_ORDER_JCL;
+      group = NULL;
+    }
+    else if (strcmp(keyword, "CloseUI") == 0 ||
+             strcmp(keyword, "JCLCloseUI") == 0)
+      option = NULL;
+    else if (strcmp(keyword, "OpenGroup") == 0)
+    {
+     /*
+      * Open a new group...
+      */
+
+      if (group != NULL)
+      {
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      if (strchr(string, '/') != NULL)	/* Just show human readable text */
+        strcpy(string, strchr(string, '/') + 1);
+
+      ppd_decode(string);
+      ppd_fix(string);
+      group = ppd_get_group(ppd, string);
+    }
+    else if (strcmp(keyword, "CloseGroup") == 0)
+      group = NULL;
+    else if (strcmp(keyword, "OrderDependency") == 0 ||
+             strcmp(keyword, "NonUIOrderDependency") == 0)
+    {
+      if (sscanf(string, "%f%40s%40s", &order, name, keyword) != 3)
+      {
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      if (keyword[0] == '*')
+        strcpy(keyword, keyword + 1);
+
+      if (strcmp(name, "ExitServer") == 0)
+        section = PPD_ORDER_EXIT;
+      else if (strcmp(name, "Prolog") == 0)
+        section = PPD_ORDER_PROLOG;
+      else if (strcmp(name, "DocumentSetup") == 0)
+        section = PPD_ORDER_DOCUMENT;
+      else if (strcmp(name, "PageSetup") == 0)
+        section = PPD_ORDER_PAGE;
+      else if (strcmp(name, "JCLSetup") == 0)
+        section = PPD_ORDER_JCL;
+      else
+        section = PPD_ORDER_ANY;
+
+      if (option == NULL)
+      {
+        ppd_group_t	*temp;
+
+
+       /*
+        * Only valid for Non-UI options...
+	*/
+
+        for (i = ppd->num_groups, temp = ppd->groups; i > 0; i --, temp ++)
+          if (temp->text[0] == '\0')
+	    break;
+
+        if (i > 0)
+          for (i = 0; i < temp->num_options; i ++)
+	    if (strcmp(keyword, temp->options[i].keyword) == 0)
+	    {
+	      temp->options[i].section = section;
+	      temp->options[i].order   = order;
+	      break;
+	    }
+      }
+      else
+      {
+        option->section = section;
+	option->order   = order;
+      }
+    }
+    else if (strncmp(keyword, "Default", 7) == 0)
+    {
+      if (string == NULL)
+        continue;
+
+      if (strchr(string, '/') != NULL)
+        *strchr(string, '/') = '\0';
+
+      if (option == NULL)
+      {
+        ppd_group_t	*temp;
+
+
+       /*
+        * Only valid for Non-UI options...
+	*/
+
+        for (i = ppd->num_groups, temp = ppd->groups; i > 0; i --, temp ++)
+          if (temp->text[0] == '\0')
+	    break;
+
+        if (i > 0)
+          for (i = 0; i < temp->num_options; i ++)
+	    if (strcmp(keyword, temp->options[i].keyword) == 0)
+	    {
+	      strncpy(temp->options[i].defchoice, string,
+                      sizeof(temp->options[i].defchoice) - 1);
+	      break;
+	    }
+      }
+      else
+        strncpy(option->defchoice, string, sizeof(option->defchoice) - 1);
+    }
+    else if (strcmp(keyword, "UIConstraints") == 0 ||
+             strcmp(keyword, "NonUIConstraints") == 0)
+    {
+      if (ppd->num_consts == 0)
+	constraint = calloc(sizeof(ppd_const_t), 1);
+      else
+	constraint = realloc(ppd->consts,
+	                     (ppd->num_consts + 1) * sizeof(ppd_const_t));
+
+      if (constraint == NULL)
+      {
+	ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      ppd->consts = constraint;
+      constraint += ppd->num_consts;
+      ppd->num_consts ++;
+
+      switch (sscanf(string, "%40s%40s%40s%40s", constraint->option1,
+                     constraint->choice1, constraint->option2,
+		     constraint->choice2))
+      {
+        case 0 : /* Error */
+	case 1 : /* Error */
+	    ppdClose(ppd);
+  	    safe_free(string);
+	    break;
+
+	case 2 : /* Two options... */
+	   /*
+	    * The following strcpy's are safe, as optionN and
+	    * choiceN are all the same size (size defined by PPD spec...)
+	    */
+
+	    if (constraint->option1[0] == '*')
+	      strcpy(constraint->option1, constraint->option1 + 1);
+
+	    if (constraint->choice1[0] == '*')
+	      strcpy(constraint->option2, constraint->choice1 + 1);
+	    else
+	      strcpy(constraint->option2, constraint->choice1);
+
+            constraint->choice1[0] = '\0';
+            constraint->choice2[0] = '\0';
+	    break;
+	    
+	case 3 : /* Two options, one choice... */
+	   /*
+	    * The following strcpy's are safe, as optionN and
+	    * choiceN are all the same size (size defined by PPD spec...)
+	    */
+
+	    if (constraint->option1[0] == '*')
+	      strcpy(constraint->option1, constraint->option1 + 1);
+
+	    if (constraint->choice1[0] == '*')
+	    {
+	      strcpy(constraint->choice2, constraint->option2);
+	      strcpy(constraint->option2, constraint->choice1 + 1);
+              constraint->choice1[0] = '\0';
+	    }
+	    else
+	    {
+	      if (constraint->option2[0] == '*')
+  	        strcpy(constraint->option2, constraint->option2 + 1);
+
+              constraint->choice2[0] = '\0';
+	    }
+	    break;
+	    
+	case 4 : /* Two options, two choices... */
+	    if (constraint->option1[0] == '*')
+	      strcpy(constraint->option1, constraint->option1 + 1);
+
+	    if (constraint->option2[0] == '*')
+  	      strcpy(constraint->option2, constraint->option2 + 1);
+	    break;
+      }
+    }
+    else if (strcmp(keyword, "PaperDimension") == 0)
+    {
+      if ((size = ppdPageSize(ppd, name)) == NULL)
+	size = ppd_add_size(ppd, name);
+
+      if (size == NULL)
+      {
+       /*
+        * Unable to add or find size!
+	*/
+
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      sscanf(string, "%f%f", &(size->width), &(size->length));
+    }
+    else if (strcmp(keyword, "ImageableArea") == 0)
+    {
+      if ((size = ppdPageSize(ppd, name)) == NULL)
+	size = ppd_add_size(ppd, name);
+
+      if (size == NULL)
+      {
+       /*
+        * Unable to add or find size!
+	*/
+
+        ppdClose(ppd);
+	safe_free(string);
+	return (NULL);
+      }
+
+      sscanf(string, "%f%f%f%f", &(size->left), &(size->bottom),
+	     &(size->right), &(size->top));
+    }
+    else if (option != NULL &&
+             (mask & (PPD_KEYWORD | PPD_OPTION | PPD_STRING)) ==
+	         (PPD_KEYWORD | PPD_OPTION | PPD_STRING))
+    {
+      DEBUG_printf(("group = %p, subgroup = %p\n", group, subgroup));
+
+      if (strcmp(keyword, "PageSize") == 0)
+      {
+       /*
+        * Add a page size...
+	*/
+
+        if (ppdPageSize(ppd, name) == NULL)
+	  ppd_add_size(ppd, name);
+      }
+
+     /*
+      * Add the option choice...
+      */
+
+      choice = ppd_add_choice(option, name);
+
+      if (mask & PPD_TEXT)
+      {
+        strncpy(choice->text, text, sizeof(choice->text) - 1);
+        ppd_fix(choice->text);
+      }
+      else if (strcmp(name, "True") == 0)
+        strcpy(choice->text, "Yes");
+      else if (strcmp(name, "False") == 0)
+        strcpy(choice->text, "No");
+      else
+        strncpy(choice->text, name, sizeof(choice->text) - 1);
+
+      if (strncmp(keyword, "JCL", 3) == 0)
+        ppd_decode(string);		/* Decode quoted string */
+
+      choice->code = string;
+      string = NULL;			/* Don't free this string below */
+    }
+
+    safe_free(string);
+  }
+
+#ifdef DEBUG
+  if (!feof(fp))
+    printf("Premature EOF at %d...\n", ftell(fp));
+#endif /* DEBUG */
+
+ /*
+  * Set the option back-pointer for each choice...
+  */
+
+  qsort(ppd->groups, ppd->num_groups, sizeof(ppd_group_t),
+        (int (*)(const void *, const void *))compare_groups);
+
+  for (i = ppd->num_groups, group = ppd->groups;
+       i > 0;
+       i --, group ++)
+  {
+    qsort(group->options, group->num_options, sizeof(ppd_option_t),
+          (int (*)(const void *, const void *))compare_options);
+
+    for (j = group->num_options, option = group->options;
+         j > 0;
+	 j --, option ++)
+    {
+      qsort(option->choices, option->num_choices, sizeof(ppd_choice_t),
+            (int (*)(const void *, const void *))compare_choices);
+
+      for (k = 0; k < option->num_choices; k ++)
+        option->choices[k].option = (void *)option;
+    }
+
+    qsort(group->subgroups, group->num_subgroups, sizeof(ppd_group_t),
+          (int (*)(const void *, const void *))compare_groups);
+
+    for (j = group->num_subgroups, subgroup = group->subgroups;
+         j > 0;
+	 j --, subgroup ++)
+    {
+      qsort(subgroup->options, subgroup->num_options, sizeof(ppd_option_t),
+            (int (*)(const void *, const void *))compare_options);
+
+      for (k = group->num_options, option = group->options;
+           k > 0;
+	   k --, option ++)
+      {
+	qsort(option->choices, option->num_choices, sizeof(ppd_choice_t),
+              (int (*)(const void *, const void *))compare_choices);
+
+        for (m = 0; m < option->num_choices; m ++)
+          option->choices[m].option = (void *)option;
+      }
+    }
+  }
+
+  return (ppd);
+}
+
+
+/*
+ * 'ppdOpenFd()' - Read a PPD file into memory.
+ */
+
+ppd_file_t *			/* O - PPD file record */
+ppdOpenFd(int fd)		/* I - File to read from */
+{
+  FILE		*fp;		/* File pointer */
+  ppd_file_t	*ppd;		/* PPD file record */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (fd < 0)
+    return (NULL);
+
+ /*
+  * Try to open the file and parse it...
+  */
+
+  if ((fp = fdopen(fd, "r")) != NULL)
+  {
+    setbuf(fp, NULL);
+
+    ppd = ppdOpen(fp);
+
+    safe_free(fp);
+  }
+  else
+    ppd = NULL;
+
+  return (ppd);
+}
+
+
+/*
+ * 'ppdOpenFile()' - Read a PPD file into memory.
+ */
+
+ppd_file_t *			/* O - PPD file record */
+ppdOpenFile(const char *filename) /* I - File to read from */
+{
+  FILE		*fp;		/* File pointer */
+  ppd_file_t	*ppd;		/* PPD file record */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (filename == NULL)
+    return (NULL);
+
+ /*
+  * Try to open the file and parse it...
+  */
+
+  if ((fp = fopen(filename, "r")) != NULL)
+  {
+    ppd = ppdOpen(fp);
+
+    fclose(fp);
+  }
+  else
+    ppd = NULL;
+
+  return (ppd);
+}
+
+
+/*
+ * 'compare_strings()' - Compare two strings.
+ */
+
+static int			/* O - Result of comparison */
+compare_strings(char *s,	/* I - First string */
+                char *t)	/* I - Second string */
+{
+  int	diff,			/* Difference between digits */
+	digits;			/* Number of digits */
+
+
+ /*
+  * Loop through both strings, returning only when a difference is
+  * seen.  Also, compare whole numbers rather than just characters, too!
+  */
+
+  while (*s && *t)
+  {
+    if (isdigit(*s) && isdigit(*t))
+    {
+     /*
+      * Got a number; start by skipping leading 0's...
+      */
+
+      while (*s == '0')
+        s ++;
+      while (*t == '0')
+        t ++;
+
+     /*
+      * Skip equal digits...
+      */
+
+      while (isdigit(*s) && *s == *t)
+      {
+        s ++;
+	t ++;
+      }
+
+     /*
+      * Bounce out if *s and *t aren't both digits...
+      */
+
+      if (isdigit(*s) && !isdigit(*t))
+        return (1);
+      else if (!isdigit(*s) && isdigit(*t))
+        return (-1);
+      else if (!isdigit(*s) || !isdigit(*t))
+        continue;     
+
+      if (*s < *t)
+        diff = -1;
+      else
+        diff = 1;
+
+     /*
+      * Figure out how many more digits there are...
+      */
+
+      digits = 0;
+
+      while (isdigit(*s))
+      {
+        digits ++;
+	s ++;
+      }
+
+      while (isdigit(*t))
+      {
+        digits --;
+	t ++;
+      }
+
+     /*
+      * Return if the number or value of the digits is different...
+      */
+
+      if (digits < 0)
+        return (-1);
+      else if (digits > 0)
+        return (1);
+      else
+        return (diff);
+    }
+    else if (tolower(*s) < tolower(*t))
+      return (-1);
+    else if (tolower(*s) > tolower(*t))
+      return (1);
+    else
+    {
+      s ++;
+      t ++;
+    }
+  }
+
+ /*
+  * Return the results of the final comparison...
+  */
+
+  if (*s)
+    return (1);
+  else if (*t)
+    return (-1);
+  else
+    return (0);
+}
+
+
+/*
+ * 'compare_groups()' - Compare two groups.
+ */
+
+static int			/* O - Result of comparison */
+compare_groups(ppd_group_t *g0,	/* I - First group */
+               ppd_group_t *g1)	/* I - Second group */
+{
+  return (compare_strings(g0->text, g1->text));
+}
+
+
+/*
+ * 'compare_options()' - Compare two options.
+ */
+
+static int			/* O - Result of comparison */
+compare_options(ppd_option_t *o0,/* I - First option */
+                ppd_option_t *o1)/* I - Second option */
+{
+  return (compare_strings(o0->text, o1->text));
+}
+
+
+/*
+ * 'compare_choices()' - Compare two choices.
+ */
+
+static int			/* O - Result of comparison */
+compare_choices(ppd_choice_t *c0,/* I - First choice */
+                ppd_choice_t *c1)/* I - Second choice */
+{
+  return (compare_strings(c0->text, c1->text));
+}
+
+
+/*
+ * 'ppd_read()' - Read a line from a PPD file, skipping comment lines as
+ *                necessary.
+ */
+
+static int			/* O - Bitmask of fields read */
+ppd_read(FILE *fp,		/* I - File to read from */
+         char *keyword,		/* O - Keyword from line */
+	 char *option,		/* O - Option from line */
+         char *text,		/* O - Human-readable text from line */
+	 char **string)		/* O - Code/string data */
+{
+  int		ch,		/* Character from file */
+		colon,		/* Colon seen? */
+		endquote,	/* Waiting for an end quote */
+		mask;		/* Mask to be returned */
+  char		*keyptr,	/* Keyword pointer */
+		*optptr,	/* Option pointer */
+		*textptr,	/* Text pointer */
+		*strptr,	/* Pointer into string */
+		*lineptr,	/* Current position in line buffer */
+		line[65536];	/* Line buffer (64k) */
+
+
+ /*
+  * Range check everything...
+  */
+
+  if (fp == NULL || keyword == NULL || option == NULL || text == NULL ||
+      string == NULL)
+    return (0);
+
+ /*
+  * Now loop until we have a valid line...
+  */
+
+  *string = NULL;
+
+  do
+  {
+   /*
+    * Read the line...
+    */
+
+    lineptr  = line;
+    endquote = 0;
+    colon    = 0;
+
+    while ((ch = getc(fp)) != EOF &&
+           (lineptr - line) < (sizeof(line) - 1))
+    {
+      if (ch == '\r' || ch == '\n')
+      {
+       /*
+	* Line feed or carriage return...
+	*/
+
+	if (lineptr == line)		/* Skip blank lines */
+          continue;
+
+	if (ch == '\r')
+	{
+	 /*
+          * Check for a trailing line feed...
+	  */
+
+	  if ((ch = getc(fp)) == EOF)
+	    break;
+	  if (ch != 0x0a)
+	    ungetc(ch, fp);
+	}
+
+	ch = '\n';
+
+	if (!endquote)			/* Continue for multi-line text */
+          break;
+
+	*lineptr++ = '\n';
+      }
+      else
+      {
+       /*
+	* Any other character...
+	*/
+
+	*lineptr++ = ch;
+
+	if (ch == ':')
+	  colon = 1;
+
+	if (ch == '\"' && colon)
+        {
+	  endquote = !endquote;
+
+          if (!endquote)
+	  {
+	   /*
+	    * End of quoted string; ignore trailing characters...
+	    */
+
+	    while ((ch = getc(fp)) != EOF)
+	      if (ch == '\n')
+		break;
+	      else if (ch == '\r')
+	      {
+		ch = getc(fp);
+		if (ch != '\n')
+	          ungetc(ch, fp);
+		break;
+	      }
+
+            break;
+	  }
+	}
+      }
+    }
+
+    if (endquote)
+    {
+     /*
+      * Didn't finish this quoted string...
+      */
+
+      while ((ch = getc(fp)) != EOF)
+        if (ch == '\"')
+	  break;
+    }
+
+    if (ch != '\n')
+    {
+     /*
+      * Didn't finish this line...
+      */
+
+      while ((ch = getc(fp)) != EOF)
+	if (ch == '\r' || ch == '\n')
+	{
+	 /*
+	  * Line feed or carriage return...
+	  */
+
+	  if (ch == '\r')
+	  {
+	   /*
+            * Check for a trailing line feed...
+	    */
+
+	    if ((ch = getc(fp)) == EOF)
+	      break;
+	    if (ch != 0x0a)
+	      ungetc(ch, fp);
+	  }
+
+	  break;
+	}
+    }
+
+    if (lineptr > line && lineptr[-1] == '\n')
+      lineptr --;
+
+    *lineptr = '\0';
+
+/*    DEBUG_printf(("LINE = \"%s\"\n", line));*/
+
+    if (ch == EOF && lineptr == line)
+      return (0);
+
+   /*
+    * Now parse it...
+    */
+
+    mask    = 0;
+    lineptr = line + 1;
+
+    keyword[0] = '\0';
+    option[0]  = '\0';
+    text[0]    = '\0';
+    *string    = NULL;
+
+    if (line[0] != '*')			/* All lines start with an asterisk */
+      continue;
+
+    if (strcmp(line, "*") == 0 ||	/* (Bad) comment line */
+        strncmp(line, "*%", 2) == 0 ||	/* Comment line */
+        strncmp(line, "*?", 2) == 0 ||	/* Query line */
+        strcmp(line, "*End") == 0)	/* End of multi-line string */
+      continue;
+
+   /*
+    * Get a keyword...
+    */
+
+    keyptr = keyword;
+
+    while (*lineptr != '\0' && *lineptr != ':' && !isspace(*lineptr) &&
+	   (keyptr - keyword) < (PPD_MAX_NAME - 1))
+      *keyptr++ = *lineptr++;
+
+    *keyptr = '\0';
+
+    if (strcmp(keyword, "End") == 0)
+      continue;
+
+    mask |= PPD_KEYWORD;
+
+/*    DEBUG_printf(("keyword = \"%s\", lineptr = \"%s\"\n", keyword, lineptr));*/
+
+    if (isspace(*lineptr))
+    {
+     /*
+      * Get an option name...
+      */
+
+      while (isspace(*lineptr))
+        lineptr ++;
+
+      optptr = option;
+
+      while (*lineptr != '\0' && *lineptr != '\n' && *lineptr != ':' &&
+             *lineptr != '/' && (optptr - option) < 40)
+	*optptr++ = *lineptr++;
+
+      *optptr = '\0';
+      mask |= PPD_OPTION;
+
+/*      DEBUG_printf(("option = \"%s\", lineptr = \"%s\"\n", option, lineptr));*/
+
+      if (*lineptr == '/')
+      {
+       /*
+        * Get human-readable text...
+	*/
+
+        lineptr ++;
+	
+	textptr = text;
+
+	while (*lineptr != '\0' && *lineptr != '\n' && *lineptr != ':' &&
+               (textptr - text) < (PPD_MAX_TEXT - 1))
+	  *textptr++ = *lineptr++;
+
+	*textptr = '\0';
+	ppd_decode(text);
+
+	mask |= PPD_TEXT;
+      }
+
+/*      DEBUG_printf(("text = \"%s\", lineptr = \"%s\"\n", text, lineptr));*/
+    }
+
+    if (*lineptr == ':')
+    {
+     /*
+      * Get string...
+      */
+
+      *string = malloc(strlen(lineptr) + 1);
+
+      while (*lineptr == ':' || isspace(*lineptr))
+        lineptr ++;
+
+      strptr = *string;
+
+      while (*lineptr != '\0')
+      {
+	if (*lineptr != '\"')
+	  *strptr++ = *lineptr++;
+	else
+	  lineptr ++;
+      }
+
+      *strptr = '\0';
+
+/*      DEBUG_printf(("string = \"%s\", lineptr = \"%s\"\n", *string, lineptr));*/
+
+      mask |= PPD_STRING;
+    }
+  }
+  while (mask == 0);
+
+  return (mask);
+}
+
+
+/*
+ * 'ppd_decode()' - Decode a string value...
+ */
+
+static void
+ppd_decode(char *string)	/* I - String to decode */
+{
+  char	*inptr,			/* Input pointer */
+	*outptr;		/* Output pointer */
+
+
+  inptr  = string;
+  outptr = string;
+
+  while (*inptr != '\0')
+    if (*inptr == '<' && isxdigit(inptr[1]))
+    {
+     /*
+      * Convert hex to 8-bit values...
+      */
+
+      inptr ++;
+      while (isxdigit(*inptr))
+      {
+	if (isalpha(*inptr))
+	  *outptr = (tolower(*inptr) - 'a' + 10) << 4;
+	else
+	  *outptr = (*inptr - '0') << 4;
+
+	inptr ++;
+
+	if (isalpha(*inptr))
+	  *outptr |= tolower(*inptr) - 'a' + 10;
+	else
+	  *outptr |= *inptr - '0';
+
+	inptr ++;
+	outptr ++;
+      }
+
+      while (*inptr != '>' && *inptr != '\0')
+	inptr ++;
+      while (*inptr == '>')
+	inptr ++;
+    }
+    else
+      *outptr++ = *inptr++;
+
+  *outptr = '\0';
+}
+
+
+/*
+ * 'ppd_fix()' - Fix WinANSI characters in the range 0x80 to 0x9f to be
+ *               valid ISO-8859-1 characters...
+ */
+
+static void
+ppd_fix(char *string)		/* IO - String to fix */
+{
+  unsigned char		*p;	/* Pointer into string */
+  static unsigned char	lut[32] =/* Lookup table for characters */
+			{
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  0x20,
+			  'l',
+			  '`',
+			  '\'',
+			  '^',
+			  '~',
+			  0x20, /* bar */
+			  0x20, /* circumflex */
+			  0x20, /* dot */
+			  0x20, /* double dot */
+			  0x20,
+			  0x20, /* circle */
+			  0x20, /* ??? */
+			  0x20,
+			  '\"', /* should be right quotes */
+			  0x20, /* ??? */
+			  0x20  /* accent */
+			};
+
+
+  for (p = (unsigned char *)string; *p; p ++)
+    if (*p >= 0x80 && *p < 0xa0)
+      *p = lut[*p - 0x80];
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/ppd.h b/cups/ppd.h
new file mode 100644
index 000000000..dec827878
--- /dev/null
+++ b/cups/ppd.h
@@ -0,0 +1,268 @@
+/*
+ * "$Id$"
+ *
+ *   PostScript Printer Description definitions for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   PostScript is a trademark of Adobe Systems, Inc.
+ *
+ *   This code and any derivative of it may be used and distributed
+ *   freely under the terms of the GNU General Public License when
+ *   used with GNU Ghostscript or its derivatives.  Use of the code
+ *   (or any derivative of it) with software other than GNU
+ *   GhostScript (or its derivatives) is governed by the CUPS license
+ *   agreement.
+ */
+
+#ifndef _CUPS_PPD_H_
+#  define _CUPS_PPD_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <stdio.h>
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+
+/*
+ * PPD version...
+ */
+
+#  define PPD_VERSION	4.3	/* Kept in sync with Adobe version number */
+
+
+/*
+ * PPD size limits (defined in Adobe spec)
+ */
+
+#  define PPD_MAX_NAME	41	/* Maximum size of name + 1 for nul */
+#  define PPD_MAX_TEXT	81	/* Maximum size of text + 1 for nul */
+#  define PPD_MAX_LINE	256	/* Maximum size of line + 1 for nul */
+
+
+/*
+ * Types and structures...
+ */
+
+typedef enum			/**** UI types ****/
+{
+  PPD_UI_BOOLEAN,		/* True or False option */
+  PPD_UI_PICKONE,		/* Pick one from a list */
+  PPD_UI_PICKMANY		/* Pick zero or more from a list */
+} ppd_ui_t;
+
+typedef enum			/**** Order dependency sections ****/
+{
+  PPD_ORDER_ANY,		/* Option code can be anywhere in the file */
+  PPD_ORDER_DOCUMENT,		/* ... must be in the DocumentSetup section */
+  PPD_ORDER_EXIT,		/* ... must be sent prior to the document */
+  PPD_ORDER_JCL,		/* ... must be sent as a JCL command */
+  PPD_ORDER_PAGE,		/* ... must be in the PageSetup section */
+  PPD_ORDER_PROLOG		/* ... must be in the Prolog section */
+} ppd_section_t;
+
+typedef enum			/**** Colorspaces ****/
+{
+  PPD_CS_CMYK = -4,		/* CMYK colorspace */
+  PPD_CS_CMY,			/* CMY colorspace */
+  PPD_CS_GRAY = 1,		/* Grayscale colorspace */
+  PPD_CS_RGB = 3,		/* RGB colorspace */
+  PPD_CS_RGBK,			/* RGBK (K = gray) colorspace */
+  PPD_CS_N			/* DeviceN colorspace */
+} ppd_cs_t;
+
+typedef struct			/**** Option choices ****/
+{
+  char		marked,		/* 0 if not selected, 1 otherwise */
+		choice[PPD_MAX_NAME],
+				/* Computer-readable option name */
+		text[PPD_MAX_TEXT],
+				/* Human-readable option name */
+		*code;		/* Code to send for this option */
+  void		*option;	/* Pointer to parent option structure */
+} ppd_choice_t;
+
+typedef struct			/**** Options ****/
+{
+  char		conflicted,	/* 0 if no conflicts exist, 1 otherwise */
+		keyword[PPD_MAX_NAME],
+				/* Option keyword name ("PageSize", etc.) */
+		defchoice[PPD_MAX_NAME],
+				/* Default option choice */
+		text[PPD_MAX_TEXT];
+				/* Human-readable text */
+  ppd_ui_t	ui;		/* Type of UI option */
+  ppd_section_t	section;	/* Section for command */
+  float		order;		/* Order number */
+  int		num_choices;	/* Number of option choices */
+  ppd_choice_t	*choices;	/* Option choices */
+} ppd_option_t;
+
+typedef struct ppd_group_str	/**** Groups ****/
+{
+  char		text[PPD_MAX_TEXT];
+  				/* Human-readable group name */
+  int		num_options;	/* Number of options */
+  ppd_option_t	*options;	/* Options */
+  int		num_subgroups;	/* Number of sub-groups */
+  struct ppd_group_str	*subgroups;
+				/* Sub-groups (max depth = 1) */
+} ppd_group_t;
+
+typedef struct			/**** Constraints ****/
+{
+  char		option1[PPD_MAX_NAME],
+  				/* First keyword */
+		choice1[PPD_MAX_NAME],
+				/* First option/choice (blank for all) */
+		option2[PPD_MAX_NAME],
+				/* Second keyword */
+		choice2[PPD_MAX_NAME];
+				/* Second option/choice (blank for all) */
+} ppd_const_t;
+
+typedef struct			/**** Page Sizes ****/
+{
+  int		marked;		/* Page size selected? */
+  char		name[PPD_MAX_NAME];
+  				/* Media size option */
+  float		width,		/* Width of media in points */
+		length,		/* Length of media in points */
+		left,		/* Left printable margin in points */
+		bottom,		/* Bottom printable margin in points */
+		right,		/* Right printable margin in points */
+		top;		/* Top printable margin in points */
+} ppd_size_t;
+
+typedef struct			/**** Emulators ****/
+{
+  char		name[PPD_MAX_NAME],
+  				/* Emulator name */
+		*start,		/* Code to switch to this emulation */
+		*stop;		/* Code to stop this emulation */
+} ppd_emul_t;
+
+typedef struct			/**** sRGB Color Profiles ****/
+{
+  char		resolution[PPD_MAX_NAME],
+  				/* Resolution or "-" */
+		media_type[PPD_MAX_NAME];
+				/* Media type of "-" */
+  float		density,	/* Ink density to use */
+		gamma,		/* Gamma correction to use */
+		matrix[3][3];	/* Transform matrix */
+} ppd_profile_t;
+
+typedef struct			/**** Files ****/
+{
+  int		language_level,	/* Language level of device */
+		color_device,	/* 1 = color device, 0 = grayscale */
+		variable_sizes,	/* 1 = supports variable sizes, 0 = doesn't */
+		accurate_screens,/* 1 = supports accurate screens, 0 = not */
+		contone_only,	/* 1 = continuous tone only, 0 = not */
+		landscape,	/* -90 or 90 */
+		model_number,	/* Device-specific model number */
+		manual_copies,	/* 1 = Copies done manually, 0 = hardware */
+		throughput;	/* Pages per minute */
+  ppd_cs_t	colorspace;	/* Default colorspace */
+  char		*patches;	/* Patch commands to be sent to printer */
+  int		num_emulations;	/* Number of emulations supported */
+  ppd_emul_t	*emulations;	/* Emulations and the code to invoke them */
+  char		*jcl_begin,	/* Start JCL commands */
+		*jcl_ps,	/* Enter PostScript interpreter */
+		*jcl_end,	/* End JCL commands */
+		*lang_encoding,	/* Language encoding */
+		*lang_version,	/* Language version (English, Spanish, etc.) */
+		*modelname,	/* Model name (general) */
+		*ttrasterizer,	/* Truetype rasterizer */
+		*manufacturer,	/* Manufacturer name */
+		*product,	/* Product name (from PS RIP/interpreter) */
+		*nickname,	/* Nickname (specific) */
+		*shortnickname;	/* Short version of nickname */
+  int		num_groups;	/* Number of UI groups */
+  ppd_group_t	*groups;	/* UI groups */
+  int		num_sizes;	/* Number of page sizes */
+  ppd_size_t	*sizes;		/* Page sizes */
+  float		custom_min[2],	/* Minimum variable page size */
+		custom_max[2],	/* Maximum variable page size */
+		custom_margins[4];/* Margins around page */
+  int		num_consts;	/* Number of UI/Non-UI constraints */
+  ppd_const_t	*consts;	/* UI/Non-UI constraints */
+  int		num_fonts;	/* Number of pre-loaded fonts */
+  char		**fonts;	/* Pre-loaded fonts */
+  int		num_profiles;	/* Number of sRGB color profiles */
+  ppd_profile_t	*profiles;	/* sRGB color profiles */
+  int		num_filters;	/* Number of filters */
+  char		**filters;	/* Filter strings... */
+  int		flip_duplex;	/* 1 = Flip page for back sides */
+} ppd_file_t;
+
+
+/*
+ * Prototypes...
+ */
+
+extern void		ppdClose(ppd_file_t *ppd);
+extern int		ppdCollect(ppd_file_t *ppd, ppd_section_t section,
+			           ppd_choice_t  ***choices);
+extern int		ppdConflicts(ppd_file_t *ppd);
+extern int		ppdEmit(ppd_file_t *ppd, FILE *fp,
+			        ppd_section_t section);
+extern int		ppdEmitFd(ppd_file_t *ppd, int fd,
+			          ppd_section_t section);
+extern int		ppdEmitJCL(ppd_file_t *ppd, FILE *fp, int job_id,
+			           const char *user, const char *title);
+extern int		ppdIsMarked(ppd_file_t *ppd, const char *keyword,
+			            const char *option);
+extern void		ppdMarkDefaults(ppd_file_t *ppd);
+extern int		ppdMarkOption(ppd_file_t *ppd, const char *keyword,
+			              const char *option);
+extern ppd_choice_t	*ppdFindChoice(ppd_option_t *o, const char *option);
+extern ppd_choice_t	*ppdFindMarkedChoice(ppd_file_t *ppd, const char *keyword);
+extern ppd_option_t	*ppdFindOption(ppd_file_t *ppd, const char *keyword);
+extern ppd_file_t	*ppdOpen(FILE *fp);
+extern ppd_file_t	*ppdOpenFd(int fd);
+extern ppd_file_t	*ppdOpenFile(const char *filename);
+extern float		ppdPageLength(ppd_file_t *ppd, const char *name);
+extern ppd_size_t	*ppdPageSize(ppd_file_t *ppd, const char *name);
+extern float		ppdPageWidth(ppd_file_t *ppd, const char *name);
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+#endif /* !_CUPS_PPD_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/snprintf.c b/cups/snprintf.c
new file mode 100644
index 000000000..32fb6041c
--- /dev/null
+++ b/cups/snprintf.c
@@ -0,0 +1,287 @@
+/*
+ * "$Id$"
+ *
+ *   snprintf functions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   vsnprintf() - Format a string into a fixed size buffer.
+ *   snprintf()  - Format a string into a fixed size buffer.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include "string.h"
+
+
+#ifndef HAVE_VSNPRINTF
+/*
+ * 'vsnprintf()' - Format a string into a fixed size buffer.
+ */
+
+int				/* O - Number of bytes formatted */
+vsnprintf(char       *buffer,	/* O - Output buffer */
+          size_t     bufsize,	/* O - Size of output buffer */
+	  const char *format,	/* I - printf-style format string */
+	  va_list    ap)	/* I - Pointer to additional arguments */
+{
+  char		*bufptr,	/* Pointer to position in buffer */
+		*bufend,	/* Pointer to end of buffer */
+		sign,		/* Sign of format width */
+		size,		/* Size character (h, l, L) */
+		type;		/* Format type character */
+  const char	*bufformat;	/* Start of format */
+  int		width,		/* Width of field */
+		prec;		/* Number of characters of precision */
+  char		tformat[100],	/* Temporary format string for sprintf() */
+		temp[1024];	/* Buffer for formatted numbers */
+  int		*chars;		/* Pointer to integer for %p */
+  char		*s;		/* Pointer to string */
+  int		slen;		/* Length of string */
+
+
+ /*
+  * Loop through the format string, formatting as needed...
+  */
+
+  bufptr = buffer;
+  bufend = buffer + bufsize - 1;
+
+  while (*format && bufptr < bufend)
+  {
+    if (*format == '%')
+    {
+      bufformat = format;
+      format ++;
+
+      if (*format == '%')
+      {
+        *bufptr++ = *format++;
+	continue;
+      }
+      else if (strchr(" -+#\'", *format))
+        sign = *format++;
+      else
+        sign = 0;
+
+      width = 0;
+      while (isdigit(*format))
+        width = width * 10 + *format++ - '0';
+
+      if (*format == '.')
+      {
+        format ++;
+	prec = 0;
+
+	while (isdigit(*format))
+          prec = prec * 10 + *format++ - '0';
+      }
+      else
+        prec = -1;
+
+      if (*format == 'l' && format[1] == 'l')
+      {
+        size = 'L';
+	format += 2;
+      }
+      else if (*format == 'h' || *format == 'l' || *format == 'L')
+        size = *format++;
+
+      if (!*format)
+        break;
+
+      type = *format++;
+
+      switch (type)
+      {
+	case 'E' : /* Floating point formats */
+	case 'G' :
+	case 'e' :
+	case 'f' :
+	case 'g' :
+	    if ((format - bufformat + 1) > sizeof(tformat) ||
+	        (width + 2) > sizeof(temp))
+	      break;
+
+	    strncpy(tformat, bufformat, format - bufformat);
+	    tformat[format - bufformat] = '\0';
+
+	    sprintf(temp, tformat, va_arg(ap, double));
+
+	    if ((bufptr + strlen(temp)) > bufend)
+	    {
+	      strncpy(bufptr, temp, bufend - bufptr);
+	      bufptr = bufend;
+	      break;
+	    }
+	    else
+	    {
+	      strcpy(bufptr, temp);
+	      bufptr += strlen(temp);
+	    }
+	    break;
+
+        case 'B' : /* Integer formats */
+	case 'X' :
+	case 'b' :
+        case 'd' :
+	case 'i' :
+	case 'o' :
+	case 'u' :
+	case 'x' :
+	    if ((format - bufformat + 1) > sizeof(tformat) ||
+	        (width + 2) > sizeof(temp))
+	      break;
+
+	    strncpy(tformat, bufformat, format - bufformat);
+	    tformat[format - bufformat] = '\0';
+
+	    sprintf(temp, tformat, va_arg(ap, int));
+
+	    if ((bufptr + strlen(temp)) > bufend)
+	    {
+	      strncpy(bufptr, temp, bufend - bufptr);
+	      bufptr = bufend;
+	      break;
+	    }
+	    else
+	    {
+	      strcpy(bufptr, temp);
+	      bufptr += strlen(temp);
+	    }
+	    break;
+	    
+	case 'p' : /* Pointer value */
+	    if ((chars = va_arg(ap, int *)) != NULL)
+	      *chars = bufptr - buffer;
+	    break;
+
+        case 'c' : /* Character or character array */
+	    if (width <= 1)
+	      *bufptr++ = va_arg(ap, int);
+	    else
+	    {
+	      if ((bufptr + width) > bufend)
+	        width = bufend - bufptr;
+
+	      memcpy(bufptr, va_arg(ap, char *), width);
+	      bufptr += width;
+	    }
+	    break;
+
+	case 's' : /* String */
+	    if ((s = va_arg(ap, char *)) == NULL)
+	      s = "(null)";
+
+	    slen = strlen(s);
+	    if (slen > width && prec != width)
+	      width = slen;
+
+	    if ((bufptr + width) > bufend)
+	      width = bufend - bufptr;
+
+            if (slen > width)
+	      slen = width;
+
+	    if (sign == '-')
+	    {
+	      strncpy(bufptr, s, slen);
+	      memset(bufptr + slen, ' ', width - slen);
+	    }
+	    else
+	    {
+	      memset(bufptr, ' ', width - slen);
+	      strncpy(bufptr + width - slen, s, slen);
+	    }
+
+	    bufptr += width;
+	    break;
+
+	case 'n' : /* Output number of chars so far */
+	    if ((format - bufformat + 1) > sizeof(tformat) ||
+	        (width + 2) > sizeof(temp))
+	      break;
+
+	    strncpy(tformat, bufformat, format - bufformat);
+	    tformat[format - bufformat] = '\0';
+
+	    sprintf(temp, tformat, va_arg(ap, int));
+
+	    if ((bufptr + strlen(temp)) > bufend)
+	    {
+	      strncpy(bufptr, temp, bufend - bufptr);
+	      bufptr = bufend;
+	      break;
+	    }
+	    else
+	    {
+	      strcpy(bufptr, temp);
+	      bufptr += strlen(temp);
+	    }
+	    break;
+      }
+    }
+    else
+      *bufptr++ = *format++;
+  }
+
+ /*
+  * Nul-terminate the string and return the number of characters in it.
+  */
+
+  *bufptr = '\0';
+  return (bufptr - buffer);
+}
+#endif /* !HAVE_VSNPRINT */
+
+
+#ifndef HAVE_SNPRINTF
+/*
+ * 'snprintf()' - Format a string into a fixed size buffer.
+ */
+
+int				/* O - Number of bytes formatted */
+snprintf(char       *buffer,	/* O - Output buffer */
+         size_t     bufsize,	/* O - Size of output buffer */
+         const char *format,	/* I - printf-style format string */
+	 ...)			/* I - Additional arguments as needed */
+{
+  int		bytes;		/* Number of bytes formatted */
+  va_list 	ap;		/* Pointer to additional arguments */
+
+
+  va_start(ap, format);
+  bytes = vsnprintf(buffer, bufsize, format, ap);
+  va_end(ap);
+
+  return (bytes);
+}
+#endif /* !HAVE_SNPRINTF */
+
+
+/*
+ * End of "$Id$".
+ */
+
diff --git a/cups/string.c b/cups/string.c
new file mode 100644
index 000000000..d3e0dc42f
--- /dev/null
+++ b/cups/string.c
@@ -0,0 +1,125 @@
+/*
+ * "$Id$"
+ *
+ *   String functions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   strdup()      - Duplicate a string.
+ *   strcasecmp()  - Do a case-insensitive comparison.
+ *   strncasecmp() - Do a case-insensitive comparison on up to N chars.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "string.h"
+
+
+/*
+ * 'strdup()' - Duplicate a string.
+ */
+
+#  ifndef HAVE_STRDUP
+char *			/* O - New string pointer */
+strdup(const char *s)	/* I - String to duplicate */
+{
+  char	*t;		/* New string pointer */
+
+
+  if (s == NULL)
+    return (NULL);
+
+  if ((t = malloc(strlen(s) + 1)) == NULL)
+    return (NULL);
+
+  return (strcpy(t, s));
+}
+#  endif /* !HAVE_STRDUP */
+
+
+/*
+ * 'strcasecmp()' - Do a case-insensitive comparison.
+ */
+
+#  ifndef HAVE_STRCASECMP
+int				/* O - Result of comparison (-1, 0, or 1) */
+strcasecmp(const char *s,	/* I - First string */
+           const char *t)	/* I - Second string */
+{
+  while (*s != '\0' && *t != '\0')
+  {
+    if (tolower(*s) < tolower(*t))
+      return (-1);
+    else if (tolower(*s) > tolower(*t))
+      return (1);
+
+    s ++;
+    t ++;
+  }
+
+  if (*s == '\0' && *t == '\0')
+    return (0);
+  else if (*s != '\0')
+    return (1);
+  else
+    return (-1);
+}
+#  endif /* !HAVE_STRCASECMP */
+
+/*
+ * 'strncasecmp()' - Do a case-insensitive comparison on up to N chars.
+ */
+
+#  ifndef HAVE_STRNCASECMP
+int				/* O - Result of comparison (-1, 0, or 1) */
+strncasecmp(const char *s,	/* I - First string */
+            const char *t,	/* I - Second string */
+	    size_t     n)	/* I - Maximum number of characters to compare */
+{
+  while (*s != '\0' && *t != '\0' && n > 0)
+  {
+    if (tolower(*s) < tolower(*t))
+      return (-1);
+    else if (tolower(*s) > tolower(*t))
+      return (1);
+
+    s ++;
+    t ++;
+    n --;
+  }
+
+  if (n == 0)
+    return (0);
+  else if (*s == '\0' && *t == '\0')
+    return (0);
+  else if (*s != '\0')
+    return (1);
+  else
+    return (-1);
+}
+#  endif /* !HAVE_STRNCASECMP */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/string.h b/cups/string.h
new file mode 100644
index 000000000..1f29f6874
--- /dev/null
+++ b/cups/string.h
@@ -0,0 +1,103 @@
+/*
+ * "$Id$"
+ *
+ *   String definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _CUPS_STRING_H_
+#  define _CUPS_STRING_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <config.h>
+
+#  include <stdio.h>
+#  include <stdarg.h>
+#  include <ctype.h>
+
+#  ifdef HAVE_STRING_H
+#    include <string.h>
+#  endif /* HAVE_STRING_H */
+
+#  ifdef HAVE_STRINGS_H
+#    include <strings.h>
+#  endif /* HAVE_STRINGS_H */
+
+
+/*
+ * Stuff for WIN32 and OS/2...
+ */
+
+#  if defined(WIN32) || defined(__EMX__)
+#    define strcasecmp	stricmp
+#    define strncasecmp	strnicmp
+#  endif /* WIN32 || __EMX__ */
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+
+/*
+ * Prototypes...
+ */
+
+#  ifndef HAVE_STRDUP
+extern char	*strdup(const char *);
+#  endif /* !HAVE_STRDUP */
+
+#  ifndef HAVE_STRCASECMP
+extern int	strcasecmp(const char *, const char *);
+#  endif /* !HAVE_STRCASECMP */
+
+#  ifndef HAVE_STRNCASECMP
+extern int	strncasecmp(const char *, const char *, size_t n);
+#  endif /* !HAVE_STRNCASECMP */
+
+#  ifndef HAVE_SNPRINTF
+extern int	snprintf(char *, size_t, const char *, ...);
+#  endif /* !HAVE_SNPRINTF */
+
+#  ifndef HAVE_VSNPRINTF
+extern int	vsnprintf(char *, size_t, const char *, va_list);
+#  endif /* !HAVE_VSNPRINTF */
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+
+#endif /* !_CUPS_STRING_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/tempfile.c b/cups/tempfile.c
new file mode 100644
index 000000000..ddfca917d
--- /dev/null
+++ b/cups/tempfile.c
@@ -0,0 +1,200 @@
+/*
+ * "$Id$"
+ *
+ *   Temp file utilities for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsTempFd()   - Create a temporary file.
+ *   cupsTempFile() - Generate a temporary filename.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include "string.h"
+#include "debug.h"
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#if defined(WIN32) || defined(__EMX__)
+#  include <io.h>
+#else
+#  include <unistd.h>
+#endif /* WIN32 || __EMX__ */
+
+
+/*
+ * 'cupsTempFd()' - Create a temporary file.
+ */
+
+int					/* O - New file descriptor */
+cupsTempFd(char *filename,		/* I - Pointer to buffer */
+           int  len)			/* I - Size of buffer */
+{
+  int		fd;			/* File descriptor for temp file */
+#ifdef WIN32
+  char		tmpdir[1024];		/* Windows temporary directory */
+  DWORD		curtime;		/* Current time */
+#else
+  char		*tmpdir;		/* TMPDIR environment var */
+  struct timeval curtime;		/* Current time */
+#endif /* WIN32 */
+  static char	buf[1024] = "";		/* Buffer if you pass in NULL and 0 */
+
+
+ /*
+  * See if a filename was specified...
+  */
+
+  if (filename == NULL)
+  {
+    filename = buf;
+    len      = sizeof(buf);
+  }
+
+ /*
+  * See if TMPDIR is defined...
+  */
+
+#ifdef WIN32
+  GetTempPath(sizeof(tmpdir), tmpdir);
+#else
+  if ((tmpdir = getenv("TMPDIR")) == NULL)
+  {
+   /*
+    * Put root temp files in restricted temp directory...
+    */
+
+    if (getuid() == 0)
+      tmpdir = CUPS_REQUESTS "/tmp";
+    else
+      tmpdir = "/var/tmp";
+  }
+#endif /* WIN32 */
+
+ /*
+  * Make the temporary name using the specified directory...
+  */
+
+  do
+  {
+#ifdef WIN32
+   /*
+    * Get the current time of day...
+    */
+
+    curtime = GetTickCount();
+
+   /*
+    * Format a string using the hex time values...
+    */
+
+    snprintf(filename, len - 1, "%s/%08lx", tmpdir, curtime);
+#else
+   /*
+    * Get the current time of day...
+    */
+
+    gettimeofday(&curtime, NULL);
+
+   /*
+    * Format a string using the hex time values...
+    */
+
+    snprintf(filename, len - 1, "%s/%08lx%05lx", tmpdir,
+             curtime.tv_sec, curtime.tv_usec);
+#endif /* WIN32 */
+
+   /*
+    * Open the file in "exclusive" mode, making sure that we don't
+    * stomp on an existing file or someone's symlink crack...
+    */
+
+#ifdef O_NOFOLLOW
+    fd = open(filename, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);
+#else
+    fd = open(filename, O_RDWR | O_CREAT | O_EXCL, 0600);
+#endif /* O_NOFOLLOW */
+
+    if (fd < 0 && (errno == EPERM || errno == ENOENT))
+      break; /* Stop immediately if permission denied or the dir doesn't exist! */
+  }
+  while (fd < 0);
+
+ /*
+  * Return the file descriptor...
+  */
+
+  return (fd);
+}
+
+
+/*
+ * 'cupsTempFile()' - Generate a temporary filename.
+ */
+
+char *					/* O - Filename */
+cupsTempFile(char *filename,		/* I - Pointer to buffer */
+             int  len)			/* I - Size of buffer */
+{
+  int		fd;			/* File descriptor for temp file */
+  static char	buf[1024] = "";		/* Buffer if you pass in NULL and 0 */
+
+
+ /*
+  * See if a filename was specified...
+  */
+
+  if (filename == NULL)
+  {
+    filename = buf;
+    len      = sizeof(buf);
+  }
+
+ /*
+  * Create the temporary file...
+  */
+
+  if ((fd = cupsTempFd(filename, len)) < 0)
+    return (NULL);
+
+ /*
+  * Close the temp file - it'll be reopened later as needed...
+  */
+
+  close(fd);
+
+ /*
+  * Return the temp filename...
+  */
+
+  return (filename);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/testhttp.c b/cups/testhttp.c
new file mode 100644
index 000000000..1125f43b6
--- /dev/null
+++ b/cups/testhttp.c
@@ -0,0 +1,124 @@
+/*
+ * "$Id$"
+ *
+ *   HTTP test program for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Main entry.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include "http.h"
+
+
+/*
+ * 'main()' - Main entry.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* HTTP connection */
+  http_status_t	status;		/* Status of GET command */
+  char		buffer[8192];	/* Input buffer */
+  long		bytes;		/* Number of bytes read */
+  FILE		*out;		/* Output file */
+  char		host[HTTP_MAX_URI],
+		method[HTTP_MAX_URI],
+		username[HTTP_MAX_URI],
+		resource[HTTP_MAX_URI];
+  int		port;
+  long		length, total;
+  time_t	start, current;
+
+
+
+  http = NULL;
+  out = stdout;
+
+  for (i = 1; i < argc; i ++)
+  {
+    if (strcmp(argv[i], "-o") == 0)
+    {
+      i ++;
+      out = fopen(argv[i], "wb");
+      continue;
+    }
+
+    httpSeparate(argv[i], method, username, host, &port, resource);
+
+    http = httpConnect(host, port);
+    if (http == NULL)
+    {
+      perror(host);
+      continue;
+    }
+    printf("Requesting file \"%s\"...\n", resource);
+    httpClearFields(http);
+    httpSetField(http, HTTP_FIELD_ACCEPT_LANGUAGE, "en");
+    httpGet(http, resource);
+    while ((status = httpUpdate(http)) == HTTP_CONTINUE);
+
+    if (status == HTTP_OK)
+      puts("GET OK:");
+    else
+      printf("GET failed with status %d...\n", status);
+
+
+    start = time(NULL);
+    length = atoi(httpGetField(http, HTTP_FIELD_CONTENT_LENGTH));
+    total  = 0;
+
+    while ((bytes = httpRead(http, buffer, sizeof(buffer))) > 0)
+    {
+      total += bytes;
+      fwrite(buffer, bytes, 1, out);
+      if (out != stdout)
+      {
+        current = time(NULL);
+        if (current == start) current ++;
+        printf("\r%ld/%ld bytes (%ld bytes/sec)      ", total, length,
+               total / (current - start));
+        fflush(stdout);
+      }
+    }
+  }
+
+  puts("Closing connection to server...");
+  httpClose(http);
+
+  if (out != stdout)
+    fclose(out);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/testmime.dsp b/cups/testmime.dsp
new file mode 100644
index 000000000..33fbd301a
--- /dev/null
+++ b/cups/testmime.dsp
@@ -0,0 +1,102 @@
+# Microsoft Developer Studio Project File - Name="testmime" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=testmime - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "testmime.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "testmime.mak" CFG="testmime - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "testmime - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "testmime - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "testmime - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /MT /W3 /GX /O2 /I ".." /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 cups.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 /out:"testmime.exe"

+

+!ELSEIF  "$(CFG)" == "testmime - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "testmime___Win32_Debug"

+# PROP BASE Intermediate_Dir "testmime___Win32_Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I ".." /I "../visualc" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 cupsd.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /incremental:no /debug /machine:I386 /out:"testmimed.exe" /pdbtype:sept

+

+!ENDIF 

+

+# Begin Target

+

+# Name "testmime - Win32 Release"

+# Name "testmime - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=.\testmime.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# Begin Source File

+

+SOURCE=.\mime.h

+# End Source File

+# End Group

+# End Target

+# End Project

diff --git a/cups/testppd.c b/cups/testppd.c
new file mode 100644
index 000000000..ea430a36b
--- /dev/null
+++ b/cups/testppd.c
@@ -0,0 +1,195 @@
+/*
+ * "$Id$"
+ *
+ *   PPD test program for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   PostScript is a trademark of Adobe Systems, Inc.
+ *
+ * Contents:
+ *
+ *   main() - Main entry for test program.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include "string.h"
+
+
+/*
+ * 'main()' - Main entry for test program.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i, j, k, m;	/* Looping vars */
+  ppd_file_t	*ppd;		/* PPD file record */
+  ppd_size_t	*size;		/* Size record */
+  ppd_group_t	*group;		/* UI group */
+  ppd_option_t	*option;	/* Standard UI option */
+  ppd_choice_t	*choice;	/* Standard UI option choice */
+  static char	*uis[] = { "BOOLEAN", "PICKONE", "PICKMANY" };
+  static char	*sections[] = { "ANY", "DOCUMENT", "EXIT",
+                                "JCL", "PAGE", "PROLOG" };
+
+
+  setbuf(stdout, NULL);
+
+ /*
+  * Display PPD files for each file listed on the command-line...
+  */
+
+  if (argc == 1)
+  {
+    fputs("Usage: ppdtest filename1.ppd [... filenameN.ppd]\n", stderr);
+    return (1);
+  }
+
+  for (i = 1; i < argc; i ++)
+  {
+    if ((ppd = ppdOpenFile(argv[i])) == NULL)
+    {
+      fprintf(stderr, "Unable to open \'%s\' as a PPD file!\n", argv[i]);
+      continue;
+    }
+
+    printf("FILE: %s\n", argv[i]);
+    printf("    language_level = %d\n", ppd->language_level);
+    printf("    color_device = %s\n", ppd->color_device ? "TRUE" : "FALSE");
+    printf("    variable_sizes = %s\n", ppd->variable_sizes ? "TRUE" : "FALSE");
+    printf("    landscape = %d\n", ppd->landscape);
+
+    switch (ppd->colorspace)
+    {
+      case PPD_CS_CMYK :
+          puts("    colorspace = PPD_CS_CMYK");
+	  break;
+      case PPD_CS_CMY :
+          puts("    colorspace = PPD_CS_CMY");
+	  break;
+      case PPD_CS_GRAY :
+          puts("    colorspace = PPD_CS_GRAY");
+	  break;
+      case PPD_CS_RGB :
+          puts("    colorspace = PPD_CS_RGB");
+	  break;
+      default :
+          puts("    colorspace = <unknown>");
+	  break;
+    }
+
+    printf("    num_emulations = %d\n", ppd->num_emulations);
+    for (j = 0; j < ppd->num_emulations; j ++)
+      printf("        emulations[%d] = %s\n", j, ppd->emulations[j].name);
+
+    printf("    lang_encoding = %s\n", ppd->lang_encoding);
+    printf("    lang_version = %s\n", ppd->lang_version);
+    printf("    modelname = %s\n", ppd->modelname);
+    printf("    ttrasterizer = %s\n",
+           ppd->ttrasterizer == NULL ? "None" : ppd->ttrasterizer);
+    printf("    manufacturer = %s\n", ppd->manufacturer);
+    printf("    product = %s\n", ppd->product);
+    printf("    nickname = %s\n", ppd->nickname);
+    printf("    shortnickname = %s\n", ppd->shortnickname);
+    printf("    patches = %d bytes\n",
+           ppd->patches == NULL ? 0 : (int)strlen(ppd->patches));
+
+    printf("    num_groups = %d\n", ppd->num_groups);
+    for (j = 0, group = ppd->groups; j < ppd->num_groups; j ++, group ++)
+    {
+      printf("        group[%d] = %s\n", j, group->text);
+
+      for (k = 0, option = group->options; k < group->num_options; k ++, option ++)
+      {
+	printf("            options[%d] = %s (%s) %s %s %.0f (%d choices)\n", k,
+	       option->keyword, option->text, uis[option->ui],
+	       sections[option->section], option->order,
+	       option->num_choices);
+
+        if (strcmp(option->keyword, "PageSize") == 0 ||
+            strcmp(option->keyword, "PageRegion") == 0)
+        {
+          for (m = option->num_choices, choice = option->choices;
+	       m > 0;
+	       m --, choice ++)
+	  {
+	    size = ppdPageSize(ppd, choice->choice);
+
+	    if (size == NULL)
+	      printf("                %s (%s) = ERROR", choice->choice, choice->text);
+            else
+	      printf("                %s (%s) = %.2fx%.2fin (%.1f,%.1f,%.1f,%.1f)", choice->choice,
+	             choice->text, size->width / 72.0, size->length / 72.0,
+		     size->left / 72.0, size->bottom / 72.0,
+		     size->right / 72.0, size->top / 72.0);
+
+            if (strcmp(option->defchoice, choice->choice) == 0)
+	      puts(" *");
+	    else
+	      putchar('\n');
+          }
+	}
+	else
+	{
+	  for (m = option->num_choices, choice = option->choices;
+	       m > 0;
+	       m --, choice ++)
+	  {
+	    printf("                %s (%s)", choice->choice, choice->text);
+
+            if (strcmp(option->defchoice, choice->choice) == 0)
+	      puts(" *");
+	    else
+	      putchar('\n');
+	  }
+        }
+      }
+    }
+
+    printf("    num_profiles = %d\n", ppd->num_profiles);
+    for (j = 0; j < ppd->num_profiles; j ++)
+      printf("        profiles[%d] = %s/%s %.3f %.3f [ %.3f %.3f %.3f %.3f %.3f %.3f %.3f %.3f %.3f ]\n",
+             j, ppd->profiles[j].resolution, ppd->profiles[j].media_type,
+	     ppd->profiles[j].gamma, ppd->profiles[j].density,
+	     ppd->profiles[j].matrix[0][0], ppd->profiles[j].matrix[0][1],
+	     ppd->profiles[j].matrix[0][2], ppd->profiles[j].matrix[1][0],
+	     ppd->profiles[j].matrix[1][1], ppd->profiles[j].matrix[1][2],
+	     ppd->profiles[j].matrix[2][0], ppd->profiles[j].matrix[2][1],
+	     ppd->profiles[j].matrix[2][2]);
+
+    printf("    num_fonts = %d\n", ppd->num_fonts);
+    for (j = 0; j < ppd->num_fonts; j ++)
+      printf("        fonts[%d] = %s\n", j, ppd->fonts[j]);
+
+    ppdClose(ppd);
+  }
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/testppd.dsp b/cups/testppd.dsp
new file mode 100644
index 000000000..27d4f035c
--- /dev/null
+++ b/cups/testppd.dsp
@@ -0,0 +1,102 @@
+# Microsoft Developer Studio Project File - Name="testppd" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=testppd - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "testppd.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "testppd.mak" CFG="testppd - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "testppd - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "testppd - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "testppd - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /MT /W3 /GX /O2 /I ".." /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 cups.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 /out:"testppd.exe"

+

+!ELSEIF  "$(CFG)" == "testppd - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "testppd___Win32_Debug"

+# PROP BASE Intermediate_Dir "testppd___Win32_Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I ".." /I "../visualc" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 cupsd.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /incremental:no /debug /machine:I386 /out:"testppdd.exe" /pdbtype:sept

+

+!ENDIF 

+

+# Begin Target

+

+# Name "testppd - Win32 Release"

+# Name "testppd - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=.\testppd.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# Begin Source File

+

+SOURCE=.\ppd.h

+# End Source File

+# End Group

+# End Target

+# End Project

diff --git a/cups/usersys.c b/cups/usersys.c
new file mode 100644
index 000000000..f5735f516
--- /dev/null
+++ b/cups/usersys.c
@@ -0,0 +1,447 @@
+/*
+ * "$Id$"
+ *
+ *   User, system, and password routines for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsEncryption()    - Get the default encryption settings...
+ *   cupsGetPassword()   - Get a password from the user...
+ *   cupsServer()        - Return the hostname of the default server...
+ *   cupsSetEncryption() - Set the encryption preference.
+ *   cupsSetPasswordCB() - Set the password callback for CUPS.
+ *   cupsSetServer()     - Set the default server name...
+ *   cupsSetUser()       - Set the default user name...
+ *   cupsUser()          - Return the current users name.
+ *   cups_get_password() - Get a password from the user...
+ *   cups_get_line()     - Get a line from a file...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include "string.h"
+#include <stdlib.h>
+#include <ctype.h>
+
+
+/*
+ * Local functions...
+ */
+
+static const char	*cups_get_password(const char *prompt);
+static char		*cups_get_line(char *buf, int buflen, FILE *fp);
+
+
+/*
+ * Local globals...
+ */
+
+static http_encryption_t cups_encryption = (http_encryption_t)-1;
+static char		cups_user[65] = "",
+			cups_server[256] = "";
+static const char	*(*cups_pwdcb)(const char *) = cups_get_password;
+
+
+/*
+ * 'cupsEncryption()' - Get the default encryption settings...
+ */
+
+http_encryption_t
+cupsEncryption(void)
+{
+  FILE		*fp;			/* client.conf file */
+  char		*encryption;		/* CUPS_ENCRYPTION variable */
+  const char	*home;			/* Home directory of user */
+  static char	line[1024];		/* Line from file */
+
+
+ /*
+  * First see if we have already set the encryption stuff...
+  */
+
+  if (cups_encryption == (http_encryption_t)-1)
+  {
+   /*
+    * Then see if the CUPS_ENCRYPTION environment variable is set...
+    */
+
+    if ((encryption = getenv("CUPS_ENCRYPTION")) == NULL)
+    {
+     /*
+      * Next check to see if we have a $HOME/.cupsrc or client.conf file...
+      */
+
+      if ((home = getenv("HOME")) != NULL)
+      {
+	snprintf(line, sizeof(line), "%s/.cupsrc", home);
+	fp = fopen(line, "r");
+      }
+      else
+	fp = NULL;
+
+      if (fp == NULL)
+      {
+	if ((home = getenv("CUPS_SERVERROOT")) != NULL)
+	{
+	  snprintf(line, sizeof(line), "%s/client.conf", home);
+	  fp = fopen(line, "r");
+	}
+	else
+	  fp = fopen(CUPS_SERVERROOT "/client.conf", "r");
+      }
+
+      encryption = "IfRequested";
+
+      if (fp != NULL)
+      {
+       /*
+	* Read the config file and look for a ServerName line...
+	*/
+
+	while (cups_get_line(line, sizeof(line), fp) != NULL)
+	  if (strncmp(line, "Encryption ", 11) == 0)
+	  {
+	   /*
+	    * Got it!  Drop any trailing newline and find the name...
+	    */
+
+	    encryption = line + strlen(line) - 1;
+	    if (*encryption == '\n')
+              *encryption = '\0';
+
+	    for (encryption = line + 11; isspace(*encryption); encryption ++);
+	    break;
+	  }
+
+	fclose(fp);
+      }
+    }
+
+   /*
+    * Set the encryption preference...
+    */
+
+    if (strcasecmp(encryption, "never") == 0)
+      cups_encryption = HTTP_ENCRYPT_NEVER;
+    else if (strcasecmp(encryption, "always") == 0)
+      cups_encryption = HTTP_ENCRYPT_ALWAYS;
+    else if (strcasecmp(encryption, "required") == 0)
+      cups_encryption = HTTP_ENCRYPT_REQUIRED;
+    else
+      cups_encryption = HTTP_ENCRYPT_IF_REQUESTED;
+  }
+
+  return (cups_encryption);
+}
+
+
+/*
+ * 'cupsGetPassword()' - Get a password from the user...
+ */
+
+const char *				/* O - Password */
+cupsGetPassword(const char *prompt)	/* I - Prompt string */
+{
+  return ((*cups_pwdcb)(prompt));
+}
+
+
+/*
+ * 'cupsSetEncryption()' - Set the encryption preference.
+ */
+
+void
+cupsSetEncryption(http_encryption_t e)	/* I - New encryption preference */
+{
+  cups_encryption = e;
+}
+
+
+/*
+ * 'cupsServer()' - Return the hostname of the default server...
+ */
+
+const char *				/* O - Server name */
+cupsServer(void)
+{
+  FILE		*fp;			/* client.conf file */
+  char		*server;		/* Pointer to server name */
+  const char	*home;			/* Home directory of user */
+  static char	line[1024];		/* Line from file */
+
+
+ /*
+  * First see if we have already set the server name...
+  */
+
+  if (!cups_server[0])
+  {
+   /*
+    * Then see if the CUPS_SERVER environment variable is set...
+    */
+
+    if ((server = getenv("CUPS_SERVER")) == NULL)
+    {
+     /*
+      * Next check to see if we have a $HOME/.cupsrc or client.conf file...
+      */
+
+      if ((home = getenv("HOME")) != NULL)
+      {
+	snprintf(line, sizeof(line), "%s/.cupsrc", home);
+	fp = fopen(line, "r");
+      }
+      else
+	fp = NULL;
+
+      if (fp == NULL)
+      {
+	if ((home = getenv("CUPS_SERVERROOT")) != NULL)
+	{
+	  snprintf(line, sizeof(line), "%s/client.conf", home);
+	  fp = fopen(line, "r");
+	}
+	else
+	  fp = fopen(CUPS_SERVERROOT "/client.conf", "r");
+      }
+
+      server = "localhost";
+
+      if (fp != NULL)
+      {
+       /*
+	* Read the config file and look for a ServerName line...
+	*/
+
+	while (cups_get_line(line, sizeof(line), fp) != NULL)
+	  if (strncmp(line, "ServerName ", 11) == 0)
+	  {
+	   /*
+	    * Got it!  Drop any trailing newline and find the name...
+	    */
+
+	    server = line + strlen(line) - 1;
+	    if (*server == '\n')
+              *server = '\0';
+
+	    for (server = line + 11; isspace(*server); server ++);
+	    break;
+	  }
+
+	fclose(fp);
+      }
+    }
+
+   /*
+    * Copy the server name over...
+    */
+
+    strncpy(cups_server, server, sizeof(cups_server) - 1);
+    cups_server[sizeof(cups_server) - 1] = '\0';
+  }
+
+  return (cups_server);
+}
+
+
+/*
+ * 'cupsSetPasswordCB()' - Set the password callback for CUPS.
+ */
+
+void
+cupsSetPasswordCB(const char *(*cb)(const char *))	/* I - Callback function */
+{
+  if (cb == (const char *(*)(const char *))0)
+    cups_pwdcb = cups_get_password;
+  else
+    cups_pwdcb = cb;
+}
+
+
+/*
+ * 'cupsSetServer()' - Set the default server name...
+ */
+
+void
+cupsSetServer(const char *server)	/* I - Server name */
+{
+  if (server)
+  {
+    strncpy(cups_server, server, sizeof(cups_server) - 1);
+    cups_server[sizeof(cups_server) - 1] = '\0';
+  }
+  else
+    cups_server[0] = '\0';
+}
+
+
+/*
+ * 'cupsSetUser()' - Set the default user name...
+ */
+
+void
+cupsSetUser(const char *user)		/* I - User name */
+{
+  if (user)
+  {
+    strncpy(cups_user, user, sizeof(cups_user) - 1);
+    cups_user[sizeof(cups_user) - 1] = '\0';
+  }
+  else
+    cups_user[0] = '\0';
+}
+
+
+#if defined(WIN32) || defined(__EMX__)
+/*
+ * WIN32 and OS/2 username and password stuff...
+ */
+
+/*
+ * 'cupsUser()' - Return the current user's name.
+ */
+
+const char *				/* O - User name */
+cupsUser(void)
+{
+  if (!cups_user[0])
+    strcpy(cups_user, "WindowsUser");
+
+  return (cups_user);
+}
+
+
+/*
+ * 'cups_get_password()' - Get a password from the user...
+ */
+
+static const char *			/* O - Password */
+cups_get_password(const char *prompt)	/* I - Prompt string */
+{
+  return (NULL);
+}
+#else
+/*
+ * UNIX username and password stuff...
+ */
+
+#  include <pwd.h>
+
+/*
+ * 'cupsUser()' - Return the current user's name.
+ */
+
+const char *				/* O - User name */
+cupsUser(void)
+{
+  struct passwd	*pwd;			/* User/password entry */
+
+
+  if (!cups_user[0])
+  {
+   /*
+    * Rewind the password file...
+    */
+
+    setpwent();
+
+   /*
+    * Lookup the password entry for the current user.
+    */
+
+    if ((pwd = getpwuid(getuid())) == NULL)
+      strcpy(cups_user, "unknown");	/* Unknown user! */
+    else
+    {
+     /*
+      * Copy the username...
+      */
+
+      setpwent();
+
+      strncpy(cups_user, pwd->pw_name, sizeof(cups_user) - 1);
+      cups_user[sizeof(cups_user) - 1] = '\0';
+    }
+
+   /*
+    * Rewind the password file again...
+    */
+
+    setpwent();
+  }
+
+  return (cups_user);
+}
+
+
+/*
+ * 'cups_get_password()' - Get a password from the user...
+ */
+
+static const char *			/* O - Password */
+cups_get_password(const char *prompt)	/* I - Prompt string */
+{
+  return (getpass(prompt));
+}
+#endif /* WIN32 || __EMX__ */
+
+
+/*
+ * 'cups_get_line()' - Get a line from a file.
+ */
+
+static char *			/* O - Line from file */
+cups_get_line(char *buf,	/* I - Line buffer */
+              int  buflen,	/* I - Size of line buffer */
+	      FILE *fp)		/* I - File to read from */
+{
+  char	*bufptr;		/* Pointer to end of buffer */
+
+
+ /*
+  * Get the line from a file...
+  */
+
+  if (fgets(buf, buflen, fp) == NULL)
+    return (NULL);
+
+ /*
+  * Remove all trailing whitespace...
+  */
+
+  bufptr = buf + strlen(buf) - 1;
+  if (bufptr < buf)
+    return (NULL);
+
+  while (isspace(*bufptr) && bufptr >= buf)
+    *bufptr-- = '\0';
+
+  return (buf);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/cups/util.c b/cups/util.c
new file mode 100644
index 000000000..b29ebce5b
--- /dev/null
+++ b/cups/util.c
@@ -0,0 +1,1741 @@
+/*
+ * "$Id$"
+ *
+ *   Printing utilities for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   cupsCancelJob()     - Cancel a print job.
+ *   cupsDoFileRequest() - Do an IPP request...
+ *   cupsFreeJobs()      - Free memory used by job data.
+ *   cupsGetClasses()    - Get a list of printer classes.
+ *   cupsGetDefault()    - Get the default printer or class.
+ *   cupsGetJobs()       - Get the jobs from the server.
+ *   cupsGetPPD()        - Get the PPD file for a printer.
+ *   cupsGetPrinters()   - Get a list of printers.
+ *   cupsLastError()     - Return the last IPP error that occurred.
+ *   cupsPrintFile()     - Print a file to a printer or class.
+ *   cupsPrintFiles()    - Print one or more files to a printer or class.
+ *   cups_connect()      - Connect to the specified host...
+ *   cups_local_auth()   - Get the local authorization certificate if
+ *                         available/applicable...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include "ipp.h"
+#include "language.h"
+#include "string.h"
+#include "debug.h"
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#if defined(WIN32) || defined(__EMX__)
+#  include <io.h>
+#else
+#  include <unistd.h>
+#endif /* WIN32 || __EMX__ */
+
+
+/*
+ * Local globals...
+ */
+
+static http_t		*cups_server = NULL;	/* Current server connection */
+static ipp_status_t	last_error = IPP_OK;	/* Last IPP error */
+static char		authstring[HTTP_MAX_VALUE] = "";
+						/* Authorization string */
+static char		pwdstring[33] = "";	/* Last password string */
+
+
+/*
+ * Local functions...
+ */
+
+static char	*cups_connect(const char *name, char *printer, char *hostname);
+static int	cups_local_auth(http_t *http);
+
+
+/*
+ * 'cupsCancelJob()' - Cancel a print job.
+ */
+
+int				/* O - 1 on success, 0 on failure */
+cupsCancelJob(const char *name,	/* I - Name of printer or class */
+              int        job)	/* I - Job ID */
+{
+  char		printer[HTTP_MAX_URI],	/* Printer name */
+		hostname[HTTP_MAX_URI],	/* Hostname */
+		uri[HTTP_MAX_URI];	/* Printer URI */
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  cups_lang_t	*language;		/* Language info */
+
+
+ /*
+  * See if we can connect to the server...
+  */
+
+  if (!cups_connect(name, printer, hostname))
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (0);
+  }
+
+ /*
+  * Build an IPP_CANCEL_JOB request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    job-id
+  *    [requesting-user-name]
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_CANCEL_JOB;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL,
+               language != NULL ? language->language : "C");
+
+  snprintf(uri, sizeof(uri), "ipp://%s:%d/printers/%s", hostname, ippPort(), printer);
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+               NULL, cupsUser());
+
+ /*
+  * Do the request...
+  */
+
+  if ((response = cupsDoRequest(cups_server, request, "/jobs/")) == NULL)
+  {
+    last_error = IPP_BAD_REQUEST;
+    return (0);
+  }
+  else
+  {
+    last_error = response->request.status.status_code;
+    ippDelete(response);
+
+    return (1);
+  }
+}
+
+
+/*
+ * 'cupsDoFileRequest()' - Do an IPP request...
+ */
+
+ipp_t *					/* O - Response data */
+cupsDoFileRequest(http_t     *http,	/* I - HTTP connection to server */
+                  ipp_t      *request,	/* I - IPP request */
+                  const char *resource,	/* I - HTTP resource for POST */
+		  const char *filename)	/* I - File to send or NULL */
+{
+  ipp_t		*response;		/* IPP response data */
+  char		length[255];		/* Content-Length field */
+  http_status_t	status;			/* Status of HTTP request */
+  FILE		*file;			/* File to send */
+  struct stat	fileinfo;		/* File information */
+  int		bytes;			/* Number of bytes read/written */
+  char		buffer[32768];		/* Output buffer */
+  const char	*password;		/* Password string */
+  char		realm[HTTP_MAX_VALUE],	/* realm="xyz" string */
+		nonce[HTTP_MAX_VALUE],	/* nonce="xyz" string */
+		plain[255],		/* Plaintext username:password */
+		encode[512];		/* Encoded username:password */
+  char		prompt[1024];		/* Prompt string */
+  int		digest_tries;		/* Number of tries with Digest */
+
+
+  if (http == NULL || request == NULL || resource == NULL)
+  {
+    if (request != NULL)
+      ippDelete(request);
+
+    last_error = IPP_INTERNAL_ERROR;
+    return (NULL);
+  }
+
+  DEBUG_printf(("cupsDoFileRequest(%p, %08x, \'%s\', \'%s\')\n",
+                http, request, resource, filename ? filename : "(null)"));
+
+ /*
+  * See if we have a file to send...
+  */
+
+  if (filename != NULL)
+  {
+    if (stat(filename, &fileinfo))
+    {
+     /*
+      * Can't get file information!
+      */
+
+      ippDelete(request);
+      last_error = IPP_NOT_FOUND;
+      return (NULL);
+    }
+
+    if ((file = fopen(filename, "rb")) == NULL)
+    {
+     /*
+      * Can't open file!
+      */
+
+      ippDelete(request);
+      last_error = IPP_NOT_FOUND;
+      return (NULL);
+    }
+  }
+  else
+    file = NULL;
+
+ /*
+  * Loop until we can send the request without authorization problems.
+  */
+
+  response     = NULL;
+  status       = HTTP_ERROR;
+  digest_tries = 0;
+
+  while (response == NULL)
+  {
+    DEBUG_puts("cupsDoFileRequest: setup...");
+
+   /*
+    * Setup the HTTP variables needed...
+    */
+
+    if (filename != NULL)
+      sprintf(length, "%lu", (unsigned long)(ippLength(request) +
+                                             (size_t)fileinfo.st_size));
+    else
+      sprintf(length, "%lu", (unsigned long)ippLength(request));
+
+    httpClearFields(http);
+    httpSetField(http, HTTP_FIELD_CONTENT_LENGTH, length);
+    httpSetField(http, HTTP_FIELD_CONTENT_TYPE, "application/ipp");
+    httpSetField(http, HTTP_FIELD_AUTHORIZATION, authstring);
+
+   /*
+    * Try the request...
+    */
+
+    DEBUG_puts("cupsDoFileRequest: post...");
+
+    if (httpPost(http, resource))
+    {
+      if (httpReconnect(http))
+      {
+        status = HTTP_ERROR;
+        break;
+      }
+      else
+        continue;
+    }
+
+   /*
+    * Send the IPP data and wait for the response...
+    */
+
+    DEBUG_puts("cupsDoFileRequest: ipp write...");
+
+    request->state = IPP_IDLE;
+    if (ippWrite(http, request) != IPP_ERROR)
+      if (filename != NULL)
+      {
+        DEBUG_puts("cupsDoFileRequest: file write...");
+
+       /*
+        * Send the file...
+        */
+
+        rewind(file);
+
+        while ((bytes = fread(buffer, 1, sizeof(buffer), file)) > 0)
+  	  if (httpWrite(http, buffer, bytes) < bytes)
+            break;
+      }
+
+   /*
+    * Get the server's return status...
+    */
+
+    DEBUG_puts("cupsDoFileRequest: update...");
+
+    while ((status = httpUpdate(http)) == HTTP_CONTINUE);
+
+    if (status == HTTP_UNAUTHORIZED)
+    {
+      DEBUG_puts("cupsDoFileRequest: unauthorized...");
+
+     /*
+      * Flush any error message...
+      */
+
+      httpFlush(http);
+
+     /*
+      * See if we can do local authentication...
+      */
+
+      if (cups_local_auth(http))
+        continue;
+
+     /*
+      * See if we should retry the current digest password...
+      */
+
+      if (strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Basic", 5) == 0 ||
+          digest_tries > 1 || !pwdstring[0])
+      {
+       /*
+	* Nope - get a password from the user...
+	*/
+
+	snprintf(prompt, sizeof(prompt), "Password for %s on %s? ", cupsUser(),
+        	 http->hostname);
+
+        if ((password = cupsGetPassword(prompt)) == NULL)
+	  break;
+	if (!password[0])
+	  break;
+
+        strncpy(pwdstring, password, sizeof(pwdstring) - 1);
+	pwdstring[sizeof(pwdstring) - 1] = '\0';
+
+        digest_tries = 0;
+      }
+      else
+        digest_tries ++;
+
+     /*
+      * Got a password; encode it for the server...
+      */
+
+      if (strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Basic", 5) == 0)
+      {
+       /*
+	* Basic authentication...
+	*/
+
+	snprintf(plain, sizeof(plain), "%s:%s", cupsUser(), pwdstring);
+	httpEncode64(encode, plain);
+	snprintf(authstring, sizeof(authstring), "Basic %s", encode);
+      }
+      else
+      {
+       /*
+	* Digest authentication...
+	*/
+
+        httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "realm", realm);
+        httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "nonce", nonce);
+
+	httpMD5(cupsUser(), realm, pwdstring, encode);
+	httpMD5Final(nonce, "POST", resource, encode);
+	snprintf(authstring, sizeof(authstring),
+	         "Digest username=\"%s\", realm=\"%s\", nonce=\"%s\", "
+	         "response=\"%s\"", cupsUser(), realm, nonce, encode);
+      }
+
+      continue;
+    }
+    else if (status == HTTP_ERROR)
+    {
+#ifdef WIN32
+      if (http->error != WSAENETDOWN && http->error != WSAENETUNREACH)
+#else
+      if (http->error != ENETDOWN && http->error != ENETUNREACH)
+#endif /* WIN32 */
+        continue;
+      else
+        break;
+    }
+#ifdef HAVE_LIBSSL
+    else if (status == HTTP_UPGRADE_REQUIRED)
+    {
+     /*
+      * Flush any error message...
+      */
+
+      httpFlush(http);
+
+     /*
+      * Upgrade with encryption...
+      */
+
+      httpEncryption(http, HTTP_ENCRYPT_REQUIRED);
+
+     /*
+      * Try again, this time with encryption enabled...
+      */
+
+      continue;
+    }
+#endif /* HAVE_LIBSSL */
+    else if (status != HTTP_OK)
+    {
+      DEBUG_printf(("cupsDoFileRequest: error %d...\n", status));
+
+     /*
+      * Flush any error message...
+      */
+
+      httpFlush(http);
+      break;
+    }
+    else
+    {
+     /*
+      * Read the response...
+      */
+
+      DEBUG_puts("cupsDoFileRequest: response...");
+
+      response = ippNew();
+
+      if (ippRead(http, response) == IPP_ERROR)
+      {
+       /*
+        * Delete the response...
+	*/
+
+	ippDelete(response);
+	response = NULL;
+
+        last_error = IPP_SERVICE_UNAVAILABLE;
+	break;
+      }
+    }
+  }
+
+ /*
+  * Close the file if needed...
+  */
+
+  if (filename != NULL)
+    fclose(file);
+
+ /*
+  * Flush any remaining data...
+  */
+
+  httpFlush(http);
+
+ /*
+  * Delete the original request and return the response...
+  */
+  
+  ippDelete(request);
+
+  if (response)
+    last_error = response->request.status.status_code;
+  else if (status == HTTP_NOT_FOUND)
+    last_error = IPP_NOT_FOUND;
+  else if (status == HTTP_UNAUTHORIZED)
+    last_error = IPP_NOT_AUTHORIZED;
+  else if (status != HTTP_OK)
+    last_error = IPP_SERVICE_UNAVAILABLE;
+
+  return (response);
+}
+
+
+/*
+ * 'cupsFreeJobs()' - Free memory used by job data.
+ */
+
+void
+cupsFreeJobs(int        num_jobs,/* I - Number of jobs */
+             cups_job_t *jobs)	/* I - Jobs */
+{
+  int	i;			/* Looping var */
+
+
+  if (num_jobs <= 0 || jobs == NULL)
+    return;
+
+  for (i = 0; i < num_jobs; i ++)
+  {
+    free(jobs[i].dest);
+    free(jobs[i].user);
+    free(jobs[i].format);
+    free(jobs[i].title);
+  }
+
+  free(jobs);
+}
+
+
+/*
+ * 'cupsGetClasses()' - Get a list of printer classes.
+ */
+
+int				/* O - Number of classes */
+cupsGetClasses(char ***classes)	/* O - Classes */
+{
+  int		n;		/* Number of classes */
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  char		**temp;		/* Temporary pointer */
+
+
+  if (classes == NULL)
+  {
+    last_error = IPP_INTERNAL_ERROR;
+    return (0);
+  }
+
+ /*
+  * Try to connect to the server...
+  */
+
+  if (!cups_connect("default", NULL, NULL))
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (0);
+  }
+
+ /*
+  * Build a CUPS_GET_CLASSES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_CLASSES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+               "requested-attributes", NULL, "printer-name");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  n        = 0;
+  *classes = NULL;
+
+  if ((response = cupsDoRequest(cups_server, request, "/")) != NULL)
+  {
+    last_error = response->request.status.status_code;
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+      if (attr->name != NULL &&
+          strcasecmp(attr->name, "printer-name") == 0 &&
+          attr->value_tag == IPP_TAG_NAME)
+      {
+        if (n == 0)
+	  temp = malloc(sizeof(char *));
+	else
+	  temp = realloc(*classes, sizeof(char *) * (n + 1));
+
+	if (temp == NULL)
+	{
+	 /*
+	  * Ran out of memory!
+	  */
+
+          while (n > 0)
+	  {
+	    n --;
+	    free((*classes)[n]);
+	  }
+
+	  free(*classes);
+	  ippDelete(response);
+	  return (0);
+	}
+
+        *classes = temp;
+        temp[n]  = strdup(attr->values[0].string.text);
+	n ++;
+      }
+
+    ippDelete(response);
+  }
+  else
+    last_error = IPP_BAD_REQUEST;
+
+  return (n);
+}
+
+
+/*
+ * 'cupsGetDefault()' - Get the default printer or class.
+ */
+
+const char *			/* O - Default printer or NULL */
+cupsGetDefault(void)
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*var;		/* Environment variable */
+  static char	def_printer[256];/* Default printer */
+
+
+ /*
+  * First see if the LPDEST or PRINTER environment variables are
+  * set...  However, if PRINTER is set to "lp", ignore it to work
+  * around a "feature" in most Linux distributions - the default
+  * user login scripts set PRINTER to "lp"...
+  */
+
+  if ((var = getenv("LPDEST")) != NULL)
+    return (var);
+  else if ((var = getenv("PRINTER")) != NULL && strcmp(var, "lp") != 0)
+    return (var);
+
+ /*
+  * Try to connect to the server...
+  */
+
+  if (!cups_connect("default", NULL, NULL))
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (NULL);
+  }
+
+ /*
+  * Build a CUPS_GET_DEFAULT request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_DEFAULT;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(cups_server, request, "/")) != NULL)
+  {
+    last_error = response->request.status.status_code;
+
+    if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL)
+    {
+      strncpy(def_printer, attr->values[0].string.text, sizeof(def_printer) - 1);
+      def_printer[sizeof(def_printer) - 1] = '\0';
+      ippDelete(response);
+      return (def_printer);
+    }
+
+    ippDelete(response);
+  }
+  else
+    last_error = IPP_BAD_REQUEST;
+
+  return (NULL);
+}
+
+
+/*
+ * 'cupsGetJobs()' - Get the jobs from the server.
+ */
+
+int					/* O - Number of jobs */
+cupsGetJobs(cups_job_t **jobs,		/* O - Job data */
+            const char *mydest,		/* I - Only show jobs for dest? */
+            int        myjobs,		/* I - Only show my jobs? */
+	    int        completed)	/* I - Only show completed jobs? */
+{
+  int		n;			/* Number of jobs */
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  ipp_attribute_t *attr;		/* Current attribute */
+  cups_lang_t	*language;		/* Default language */
+  cups_job_t	*temp;			/* Temporary pointer */
+  int		id,			/* job-id */
+		priority,		/* job-priority */
+		size;			/* job-k-octets */
+  ipp_jstate_t	state;			/* job-state */
+  time_t	completed_time,		/* time-at-completed */
+		creation_time,		/* time-at-creation */
+		processing_time;	/* time-at-processing */
+  const char	*dest,			/* job-printer-uri */
+		*format,		/* document-format */
+		*title,			/* job-name */
+		*user;			/* job-originating-user-name */
+  char		uri[HTTP_MAX_URI];	/* URI for jobs */
+  static const char *attrs[] =		/* Requested attributes */
+		{
+		  "job-id",
+		  "job-priority",
+		  "job-k-octets",
+		  "job-state",
+		  "time-at-completed",
+		  "time-at-creation",
+		  "time-at-processing",
+		  "job-printer-uri",
+		  "document-format",
+		  "job-name",
+		  "job-originating-user-name"
+		};
+
+
+  if (jobs == NULL)
+  {
+    last_error = IPP_INTERNAL_ERROR;
+    return (0);
+  }
+
+ /*
+  * Try to connect to the server...
+  */
+
+  if (!cups_connect("default", NULL, NULL))
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (0);
+  }
+
+ /*
+  * Build an IPP_GET_JOBS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    requesting-user-name
+  *    which-jobs
+  *    my-jobs
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_JOBS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  if (mydest)
+    snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", mydest);
+  else
+    strcpy(uri, "ipp://localhost/jobs");
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+               "requesting-user-name", NULL, cupsUser());
+
+  if (myjobs)
+    ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1);
+
+  if (completed)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                 "which-jobs", NULL, "completed");
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(attrs) / sizeof(attrs[0]),
+		NULL, attrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  n     = 0;
+  *jobs = NULL;
+
+  if ((response = cupsDoRequest(cups_server, request, "/")) != NULL)
+  {
+    last_error = response->request.status.status_code;
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      id              = 0;
+      size            = 0;
+      priority        = 50;
+      state           = IPP_JOB_PENDING;
+      user            = NULL;
+      dest            = NULL;
+      format          = NULL;
+      title           = NULL;
+      creation_time   = 0;
+      completed_time  = 0;
+      processing_time = 0;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
+      {
+        if (strcmp(attr->name, "job-id") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  id = attr->values[0].integer;
+        else if (strcmp(attr->name, "job-state") == 0 &&
+	         attr->value_tag == IPP_TAG_ENUM)
+	  state = (ipp_jstate_t)attr->values[0].integer;
+        else if (strcmp(attr->name, "job-priority") == 0 &&
+	         attr->value_tag == IPP_TAG_INTEGER)
+	  priority = attr->values[0].integer;
+        else if (strcmp(attr->name, "job-k-octets") == 0 &&
+	         attr->value_tag == IPP_TAG_INTEGER)
+	  size = attr->values[0].integer;
+        else if (strcmp(attr->name, "time-at-completed") == 0 &&
+	         attr->value_tag == IPP_TAG_INTEGER)
+	  completed_time = attr->values[0].integer;
+        else if (strcmp(attr->name, "time-at-creation") == 0 &&
+	         attr->value_tag == IPP_TAG_INTEGER)
+	  creation_time = attr->values[0].integer;
+        else if (strcmp(attr->name, "time-at-processing") == 0 &&
+	         attr->value_tag == IPP_TAG_INTEGER)
+	  processing_time = attr->values[0].integer;
+        else if (strcmp(attr->name, "job-printer-uri") == 0 &&
+	         attr->value_tag == IPP_TAG_URI)
+	{
+	  if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL)
+	    dest ++;
+        }
+        else if (strcmp(attr->name, "job-originating-user-name") == 0 &&
+	         attr->value_tag == IPP_TAG_NAME)
+	  user = attr->values[0].string.text;
+        else if (strcmp(attr->name, "document-format") == 0 &&
+	         attr->value_tag == IPP_TAG_MIMETYPE)
+	  format = attr->values[0].string.text;
+        else if (strcmp(attr->name, "job-name") == 0 &&
+	         attr->value_tag == IPP_TAG_TEXT)
+	  title = attr->values[0].string.text;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (dest == NULL || format == NULL || title == NULL || user == NULL ||
+          id == 0)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * Allocate memory for the job...
+      */
+
+      if (n == 0)
+        temp = malloc(sizeof(cups_job_t));
+      else
+	temp = realloc(*jobs, sizeof(cups_job_t) * (n + 1));
+
+      if (temp == NULL)
+      {
+       /*
+        * Ran out of memory!
+        */
+
+	cupsFreeJobs(n, *jobs);
+	*jobs = NULL;
+
+        ippDelete(response);
+	return (0);
+      }
+
+      *jobs = temp;
+      temp  += n;
+      n ++;
+
+     /*
+      * Copy the data over...
+      */
+
+      temp->dest            = strdup(dest);
+      temp->user            = strdup(user);
+      temp->format          = strdup(format);
+      temp->title           = strdup(title);
+      temp->id              = id;
+      temp->priority        = priority;
+      temp->state           = state;
+      temp->size            = size;
+      temp->completed_time  = completed_time;
+      temp->creation_time   = creation_time;
+      temp->processing_time = processing_time;
+    }
+
+    ippDelete(response);
+  }
+  else
+    last_error = IPP_BAD_REQUEST;
+
+  return (n);
+}
+
+
+/*
+ * 'cupsGetPPD()' - Get the PPD file for a printer.
+ */
+
+const char *				/* O - Filename for PPD file */
+cupsGetPPD(const char *name)		/* I - Printer name */
+{
+  int		i;			/* Looping var */
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  ipp_attribute_t *attr;		/* Current attribute */
+  cups_lang_t	*language;		/* Local language */
+  int		fd;			/* PPD file */
+  int		bytes;			/* Number of bytes read */
+  char		buffer[8192];		/* Buffer for file */
+  char		printer[HTTP_MAX_URI],	/* Printer name */
+		method[HTTP_MAX_URI],	/* Method/scheme name */
+		username[HTTP_MAX_URI],	/* Username:password */
+		hostname[HTTP_MAX_URI],	/* Hostname */
+		resource[HTTP_MAX_URI];	/* Resource name */
+  int		port;			/* Port number */
+  const char	*password;		/* Password string */
+  char		realm[HTTP_MAX_VALUE],	/* realm="xyz" string */
+		nonce[HTTP_MAX_VALUE],	/* nonce="xyz" string */
+		plain[255],		/* Plaintext username:password */
+		encode[512];		/* Encoded username:password */
+  http_status_t	status;			/* HTTP status from server */
+  char		prompt[1024];		/* Prompt string */
+  int		digest_tries;		/* Number of tries with Digest */
+  static char	filename[HTTP_MAX_URI];	/* Local filename */
+  static const char *requested_attrs[] =/* Requested attributes */
+		{
+		  "printer-uri-supported",
+		  "printer-type",
+		  "member-uris"
+		};
+
+
+  if (name == NULL)
+  {
+    last_error = IPP_INTERNAL_ERROR;
+    return (NULL);
+  }
+
+ /*
+  * See if we can connect to the server...
+  */
+
+  if (!cups_connect(name, printer, hostname))
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (NULL);
+  }
+
+ /*
+  * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  snprintf(buffer, sizeof(buffer), "ipp://localhost/printers/%s", printer);
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, buffer);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+                "requested-attributes",
+		sizeof(requested_attrs) / sizeof(requested_attrs[0]),
+		NULL, requested_attrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(cups_server, request, "/")) != NULL)
+  {
+    last_error  = response->request.status.status_code;
+    printer[0]  = '\0';
+    hostname[0] = '\0';
+
+    if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL)
+    {
+     /*
+      * Get the first actual server and printer name in the class...
+      */
+
+      for (i = 0; i < attr->num_values; i ++)
+      {
+	httpSeparate(attr->values[0].string.text, method, username, hostname,
+	             &port, resource);
+	if (strncmp(resource, "/printers/", 10) == 0)
+	{
+	 /*
+	  * Found a printer!
+	  */
+
+	  strncpy(printer, resource + 10, sizeof(printer) - 1);
+	  printer[sizeof(printer) - 1] = '\0';
+	  break;
+	}
+      }
+    }
+    else if ((attr = ippFindAttribute(response, "printer-uri-supported",
+                                      IPP_TAG_URI)) != NULL)
+    {
+     /*
+      * Get the actual server and printer names...
+      */
+
+      httpSeparate(attr->values[0].string.text, method, username, hostname,
+	           &port, resource);
+      strncpy(printer, strrchr(resource, '/') + 1, sizeof(printer) - 1);
+      printer[sizeof(printer) - 1] = '\0';
+    }
+
+    ippDelete(response);
+
+   /*
+    * Remap local hostname to localhost...
+    */
+
+    gethostname(buffer, sizeof(buffer));
+
+    if (strcasecmp(buffer, hostname) == 0)
+      strcpy(hostname, "localhost");
+  }
+
+  cupsLangFree(language);
+
+  if (!printer[0])
+    return (NULL);
+
+ /*
+  * Reconnect to the correct server as needed...
+  */
+
+  if (strcasecmp(cups_server->hostname, hostname) != 0)
+  {
+    httpClose(cups_server);
+
+    if ((cups_server = httpConnectEncrypt(hostname, ippPort(),
+                                          cupsEncryption())) == NULL)
+    {
+      last_error = IPP_SERVICE_UNAVAILABLE;
+      return (NULL);
+    }
+  }
+
+ /*
+  * Get a temp file...
+  */
+
+  if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
+  {
+   /*
+    * Can't open file; close the server connection and return NULL...
+    */
+
+    httpFlush(cups_server);
+    httpClose(cups_server);
+    cups_server = NULL;
+    return (NULL);
+  }
+
+ /*
+  * And send a request to the HTTP server...
+  */
+
+  snprintf(resource, sizeof(resource), "/printers/%s.ppd", printer);
+
+  digest_tries = 0;
+
+  do
+  {
+    httpClearFields(cups_server);
+    httpSetField(cups_server, HTTP_FIELD_HOST, hostname);
+    httpSetField(cups_server, HTTP_FIELD_AUTHORIZATION, authstring);
+
+    if (httpGet(cups_server, resource))
+    {
+      if (httpReconnect(cups_server))
+      {
+        status = HTTP_ERROR;
+	break;
+      }
+      else
+      {
+        status = HTTP_UNAUTHORIZED;
+        continue;
+      }
+    }
+
+    while ((status = httpUpdate(cups_server)) == HTTP_CONTINUE);
+
+    if (status == HTTP_UNAUTHORIZED)
+    {
+      DEBUG_puts("cupsGetPPD: unauthorized...");
+
+     /*
+      * Flush any error message...
+      */
+
+      httpFlush(cups_server);
+
+     /*
+      * See if we can do local authentication...
+      */
+
+      if (cups_local_auth(cups_server))
+        continue;
+
+     /*
+      * See if we should retry the current digest password...
+      */
+
+      if (strncmp(cups_server->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Basic", 5) == 0 ||
+          digest_tries > 1 || !pwdstring[0])
+      {
+       /*
+	* Nope - get a password from the user...
+	*/
+
+	snprintf(prompt, sizeof(prompt), "Password for %s on %s? ", cupsUser(),
+        	 cups_server->hostname);
+
+        if ((password = cupsGetPassword(prompt)) == NULL)
+	  break;
+	if (!password[0])
+	  break;
+
+        strncpy(pwdstring, password, sizeof(pwdstring) - 1);
+	pwdstring[sizeof(pwdstring) - 1] = '\0';
+
+        digest_tries = 0;
+      }
+      else
+        digest_tries ++;
+
+     /*
+      * Got a password; encode it for the server...
+      */
+
+      if (strncmp(cups_server->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Basic", 5) == 0)
+      {
+       /*
+	* Basic authentication...
+	*/
+
+	snprintf(plain, sizeof(plain), "%s:%s", cupsUser(), pwdstring);
+	httpEncode64(encode, plain);
+	snprintf(authstring, sizeof(authstring), "Basic %s", encode);
+      }
+      else
+      {
+       /*
+	* Digest authentication...
+	*/
+
+        httpGetSubField(cups_server, HTTP_FIELD_WWW_AUTHENTICATE, "realm", realm);
+        httpGetSubField(cups_server, HTTP_FIELD_WWW_AUTHENTICATE, "nonce", nonce);
+
+	httpMD5(cupsUser(), realm, pwdstring, encode);
+	httpMD5Final(nonce, "GET", resource, encode);
+	snprintf(authstring, sizeof(authstring),
+	         "Digest username=\"%s\", realm=\"%s\", nonce=\"%s\", "
+	         "response=\"%s\"", cupsUser(), realm, nonce, encode);
+      }
+
+      continue;
+    }
+#ifdef HAVE_LIBSSL
+    else if (status == HTTP_UPGRADE_REQUIRED)
+    {
+     /*
+      * Flush any error message...
+      */
+
+      httpFlush(cups_server);
+
+     /*
+      * Upgrade with encryption...
+      */
+
+      httpEncryption(cups_server, HTTP_ENCRYPT_REQUIRED);
+
+     /*
+      * Try again, this time with encryption enabled...
+      */
+
+      continue;
+    }
+#endif /* HAVE_LIBSSL */
+  }
+  while (status == HTTP_UNAUTHORIZED || status == HTTP_UPGRADE_REQUIRED);
+
+ /*
+  * See if we actually got the file or an error...
+  */
+
+  if (status != HTTP_OK)
+  {
+    unlink(filename);
+    httpFlush(cups_server);
+    httpClose(cups_server);
+    cups_server = NULL;
+    return (NULL);
+  }
+
+ /*
+  * OK, we need to copy the file...
+  */
+
+  while ((bytes = httpRead(cups_server, buffer, sizeof(buffer))) > 0)
+    write(fd, buffer, bytes);
+
+  close(fd);
+
+  return (filename);
+}
+
+
+/*
+ * 'cupsGetPrinters()' - Get a list of printers.
+ */
+
+int					/* O - Number of printers */
+cupsGetPrinters(char ***printers)	/* O - Printers */
+{
+  int		n;		/* Number of printers */
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  char		**temp;		/* Temporary pointer */
+
+
+  if (printers == NULL)
+  {
+    last_error = IPP_INTERNAL_ERROR;
+    return (0);
+  }
+
+ /*
+  * Try to connect to the server...
+  */
+
+  if (!cups_connect("default", NULL, NULL))
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (0);
+  }
+
+ /*
+  * Build a CUPS_GET_PRINTERS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_PRINTERS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+               "requested-attributes", NULL, "printer-name");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  n         = 0;
+  *printers = NULL;
+
+  if ((response = cupsDoRequest(cups_server, request, "/")) != NULL)
+  {
+    last_error = response->request.status.status_code;
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+      if (attr->name != NULL &&
+          strcasecmp(attr->name, "printer-name") == 0 &&
+          attr->value_tag == IPP_TAG_NAME)
+      {
+        if (n == 0)
+	  temp = malloc(sizeof(char *));
+	else
+	  temp = realloc(*printers, sizeof(char *) * (n + 1));
+
+	if (temp == NULL)
+	{
+	 /*
+	  * Ran out of memory!
+	  */
+
+	  while (n > 0)
+	  {
+	    n --;
+	    free((*printers)[n]);
+	  }
+
+	  free(*printers);
+	  ippDelete(response);
+	  return (0);
+	}
+
+        *printers = temp;
+        temp[n]   = strdup(attr->values[0].string.text);
+	n ++;
+      }
+
+    ippDelete(response);
+  }
+  else
+    last_error = IPP_BAD_REQUEST;
+
+  return (n);
+}
+
+
+/*
+ * 'cupsLastError()' - Return the last IPP error that occurred.
+ */
+
+ipp_status_t		/* O - IPP error code */
+cupsLastError(void)
+{
+  return (last_error);
+}
+
+
+/*
+ * 'cupsPrintFile()' - Print a file to a printer or class.
+ */
+
+int					/* O - Job ID */
+cupsPrintFile(const char    *name,	/* I - Printer or class name */
+              const char    *filename,	/* I - File to print */
+	      const char    *title,	/* I - Title of job */
+              int           num_options,/* I - Number of options */
+	      cups_option_t *options)	/* I - Options */
+{
+  DEBUG_printf(("cupsPrintFile(\'%s\', \'%s\', %d, %p)\n",
+                name, filename, num_options, options));
+
+  return (cupsPrintFiles(name, 1, &filename, title, num_options, options));
+}
+
+
+/*
+ * 'cupsPrintFiles()' - Print one or more files to a printer or class.
+ */
+
+int					/* O - Job ID */
+cupsPrintFiles(const char    *name,	/* I - Printer or class name */
+               int           num_files,	/* I - Number of files */
+               const char    **files,	/* I - File(s) to print */
+	       const char    *title,	/* I - Title of job */
+               int           num_options,/* I - Number of options */
+	       cups_option_t *options)	/* I - Options */
+{
+  int		i;			/* Looping var */
+  const char	*val;			/* Pointer to option value */
+  ipp_t		*request;		/* IPP request */
+  ipp_t		*response;		/* IPP response */
+  ipp_attribute_t *attr;		/* IPP job-id attribute */
+  char		hostname[HTTP_MAX_URI],	/* Hostname */
+		printer[HTTP_MAX_URI],	/* Printer or class name */
+		uri[HTTP_MAX_URI];	/* Printer URI */
+  cups_lang_t	*language;		/* Language to use */
+  int		jobid;			/* New job ID */
+
+
+  DEBUG_printf(("cupsPrintFiles(\'%s\', %d, %p, %d, %p)\n",
+                name, num_files, files, num_options, options));
+
+  if (name == NULL || num_files < 1 || files == NULL)
+    return (0);
+
+ /*
+  * Setup a connection and request data...
+  */
+
+  if (!cups_connect(name, printer, hostname))
+  {
+    DEBUG_printf(("cupsPrintFile: Unable to open connection - %s.\n",
+                  strerror(errno)));
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (0);
+  }
+
+  language = cupsLangDefault();
+
+ /*
+  * Build a standard CUPS URI for the printer and fill the standard IPP
+  * attributes...
+  */
+
+  if ((request = ippNew()) == NULL)
+    return (0);
+
+  request->request.op.operation_id = num_files == 1 ? IPP_PRINT_JOB :
+                                                      IPP_CREATE_JOB;
+  request->request.op.request_id   = 1;
+
+  snprintf(uri, sizeof(uri), "ipp://%s:%d/printers/%s", hostname, ippPort(), printer);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL,
+               language != NULL ? language->language : "C");
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+               NULL, cupsUser());
+
+  if (title)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, title);
+
+ /*
+  * Then add all options...
+  */
+
+  cupsEncodeOptions(request, num_options, options);
+
+ /*
+  * Do the request...
+  */
+
+  snprintf(uri, sizeof(uri), "/printers/%s", printer);
+
+  if (num_files == 1)
+    response = cupsDoFileRequest(cups_server, request, uri, *files);
+  else
+    response = cupsDoRequest(cups_server, request, uri);
+
+  if (response == NULL)
+    jobid = 0;
+  else if (response->request.status.status_code > IPP_OK_CONFLICT)
+  {
+    DEBUG_printf(("IPP response code was 0x%x!\n",
+                  response->request.status.status_code));
+    jobid = 0;
+  }
+  else if ((attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER)) == NULL)
+  {
+    DEBUG_puts("No job ID!");
+    jobid = 0;
+  }
+  else
+    jobid = attr->values[0].integer;
+
+  if (response != NULL)
+    ippDelete(response);
+
+ /*
+  * Handle multiple file jobs if the create-job operation worked...
+  */
+
+  if (jobid > 0 && num_files > 1)
+    for (i = 0; i < num_files; i ++)
+    {
+     /*
+      * Build a standard CUPS URI for the job and fill the standard IPP
+      * attributes...
+      */
+
+      if ((request = ippNew()) == NULL)
+	return (0);
+
+      request->request.op.operation_id = IPP_SEND_DOCUMENT;
+      request->request.op.request_id   = 1;
+
+      snprintf(uri, sizeof(uri), "ipp://%s:%d/jobs/%d", hostname, ippPort(),
+               jobid);
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	   "attributes-natural-language", NULL,
+        	   language != NULL ? language->language : "C");
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
+        	   NULL, uri);
+
+     /*
+      * Handle raw print files...
+      */
+
+      if (cupsGetOption("raw", num_options, options))
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
+        	     NULL, "application/vnd.cups-raw");
+      else if ((val = cupsGetOption("document-format", num_options, options)) != NULL)
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
+        	     NULL, val);
+      else
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
+        	     NULL, "application/octet-stream");
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+        	   NULL, cupsUser());
+
+     /*
+      * Is this the last document?
+      */
+
+      if (i == (num_files - 1))
+        ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", 1);
+
+     /*
+      * Send the file...
+      */
+
+      snprintf(uri, sizeof(uri), "/printers/%s", printer);
+
+      if ((response = cupsDoFileRequest(cups_server, request, uri,
+                                        files[i])) != NULL)
+	ippDelete(response);
+    }
+
+  return (jobid);
+}
+
+
+/*
+ * 'cups_connect()' - Connect to the specified host...
+ */
+
+static char *				/* I - Printer name or NULL */
+cups_connect(const char *name,		/* I - Destination (printer[@host]) */
+	     char       *printer,	/* O - Printer name [HTTP_MAX_URI] */
+             char       *hostname)	/* O - Hostname [HTTP_MAX_URI] */
+{
+  char		hostbuf[HTTP_MAX_URI];	/* Name of host */
+  static char	printerbuf[HTTP_MAX_URI];
+					/* Name of printer or class */
+
+
+  DEBUG_printf(("cups_connect(\"%s\", %p, %p)\n", name, printer, hostname));
+
+  if (name == NULL)
+  {
+    last_error = IPP_BAD_REQUEST;
+    return (NULL);
+  }
+
+  if (sscanf(name, "%1023[^@]@%1023s", printerbuf, hostbuf) == 1)
+  {
+    strncpy(hostbuf, cupsServer(), sizeof(hostbuf) - 1);
+    hostbuf[sizeof(hostbuf) - 1] = '\0';
+  }
+
+  if (hostname != NULL)
+  {
+    strncpy(hostname, hostbuf, HTTP_MAX_URI - 1);
+    hostname[HTTP_MAX_URI - 1] = '\0';
+  }
+  else
+    hostname = hostbuf;
+
+  if (printer != NULL)
+  {
+    strncpy(printer, printerbuf, HTTP_MAX_URI - 1);
+    printer[HTTP_MAX_URI - 1] = '\0';
+  }
+  else
+    printer = printerbuf;
+
+  if (cups_server != NULL)
+  {
+    if (strcasecmp(cups_server->hostname, hostname) == 0)
+      return (printer);
+
+    httpClose(cups_server);
+  }
+
+  DEBUG_printf(("connecting to %s on port %d...\n", hostname, ippPort()));
+
+  if ((cups_server = httpConnectEncrypt(hostname, ippPort(),
+                                        cupsEncryption())) == NULL)
+  {
+    last_error = IPP_SERVICE_UNAVAILABLE;
+    return (NULL);
+  }
+  else
+    return (printer);
+}
+
+
+/*
+ * 'cups_local_auth()' - Get the local authorization certificate if
+ *                       available/applicable...
+ */
+
+static int			/* O - 1 if available, 0 if not */
+cups_local_auth(http_t *http)	/* I - Connection */
+{
+#if defined(WIN32) || defined(__EMX__)
+ /*
+  * Currently WIN32 and OS-2 do not support the CUPS server...
+  */
+
+  return (0);
+#else
+  int		pid;		/* Current process ID */
+  FILE		*fp;		/* Certificate file */
+  char		filename[1024],	/* Certificate filename */
+		certificate[33];/* Certificate string */
+  const char	*root;		/* Server root directory */
+
+
+ /*
+  * See if we are accessing localhost...
+  */
+
+  if (ntohl(http->hostaddr.sin_addr.s_addr) != 0x7f000001 &&
+      strcasecmp(http->hostname, "localhost") != 0)
+    return (0);
+
+ /*
+  * Try opening a certificate file for this PID.  If that fails,
+  * try the root certificate...
+  */
+
+  if ((root = getenv("CUPS_SERVERROOT")) == NULL)
+    root = CUPS_SERVERROOT;
+
+  pid = getpid();
+  snprintf(filename, sizeof(filename), "%s/certs/%d", root, pid);
+  if ((fp = fopen(filename, "r")) == NULL && pid > 0)
+  {
+    snprintf(filename, sizeof(filename), "%s/certs/0", root);
+    fp = fopen(filename, "r");
+  }
+
+  if (fp == NULL)
+    return (0);
+
+ /*
+  * Read the certificate from the file...
+  */
+
+  fgets(certificate, sizeof(certificate), fp);
+  fclose(fp);
+
+ /*
+  * Set the authorization string and return...
+  */
+
+  snprintf(authstring, sizeof(authstring), "Local %s", certificate);
+
+  return (1);
+#endif /* WIN32 || __EMX__ */
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/data/HPGLprolog b/data/HPGLprolog
new file mode 100644
index 000000000..830458243
--- /dev/null
+++ b/data/HPGLprolog
@@ -0,0 +1,37 @@
+%%BeginResource: procset hpgltops 1.1 0
+%
+% "$Id: HPGLprolog 2010 2002-01-02 17:59:21Z mike $"
+%
+%   HP-GL/2 filter procset for the Common UNIX Printing System (CUPS).
+%
+%   This procset contains the basic drawing commands that are used to
+%   reduce output size.  Note the 'MP' (make newpath) definition - this
+%   should be called 'NP' (newpath), but GhostScript uses the 'NP' name
+%   for 'noaccess put' in some of its font files...
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/MO { moveto } bind def
+/LI { lineto } bind def
+/FI { fill } bind def
+/ST { stroke } bind def
+/CP { closepath } bind def
+/MP { newpath } bind def
+/SP { setlinewidth setrgbcolor } bind def
+%%EndResource
diff --git a/data/Makefile b/data/Makefile
new file mode 100644
index 000000000..1f44c4ba7
--- /dev/null
+++ b/data/Makefile
@@ -0,0 +1,112 @@
+#
+# "$Id$"
+#
+#   Datafile makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Data files...
+#
+
+BANNERS	=	classified \
+		confidential \
+		secret \
+		standard \
+		topsecret \
+		unclassified
+
+CHARSETS =	windows-874 \
+		windows-1250 \
+		windows-1251 \
+		windows-1252 \
+		windows-1253 \
+		windows-1254 \
+		windows-1255 \
+		windows-1256 \
+		windows-1257 \
+		windows-1258 \
+		koi8-r \
+		koi8-u \
+		iso-8859-1 \
+		iso-8859-2 \
+		iso-8859-3 \
+		iso-8859-4 \
+		iso-8859-5 \
+		iso-8859-6 \
+		iso-8859-7 \
+		iso-8859-8 \
+		iso-8859-9 \
+		iso-8859-10 \
+		iso-8859-13 \
+		iso-8859-14 \
+		iso-8859-15 \
+		koi8-r \
+		koi8-u \
+		utf-8
+DATAFILES =	HPGLprolog psglyphs testprint.ps
+
+
+#
+# Make everything...
+#
+
+all:
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(DATADIR)/banners
+	for file in $(BANNERS); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/banners; \
+	done
+	$(INSTALL_DIR) $(DATADIR)/charsets
+	for file in $(CHARSETS); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/charsets; \
+	done
+	$(INSTALL_DIR) $(DATADIR)/data
+	for file in $(DATAFILES); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/data; \
+	done
+	-if test x$(PAMDIR) != x$(BUILDROOT); then \
+		$(INSTALL_DIR) $(PAMDIR); \
+		if test -f /lib/security/pam_unix.so; then \
+			$(INSTALL_DATA) cups.suse $(PAMDIR)/cups; \
+		else \
+			$(INSTALL_DATA) cups.pam $(PAMDIR)/cups; \
+		fi \
+	fi
+
+
+#
+# End of "$Id$".
+#
diff --git a/data/classified b/data/classified
new file mode 100644
index 000000000..df921456f
--- /dev/null
+++ b/data/classified
@@ -0,0 +1,277 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset bannerprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 10, 2000
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset bannerprint 1.1 0
+%
+%   PostScript banner page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  /boxWidth				% width of text box
+  pageWidth pageHeight lt
+  { pageWidth 54 mul }
+  { pageHeight 42 mul }
+  ifelse def
+
+  newpath				% Clear bounding path
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the label at the top and bottom...
+  0 setgray				% Color
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 72 mul			% Top of page
+  pageWidth -7 mul add			% - 2 lines
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Classified) CENTER			% Show text centered
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 6 mul			% Bottom of page
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Classified) CENTER			% Show text centered
+
+  % Job information box...
+  pageWidth 36 mul 9 add		% x = pageWidth * 1/2 * 72 + 9
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul 9 sub		% y = pageHeight * 1/2 * 72 - 9
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul			% y = pageHeight * 1/4 * 72
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  % Job information text...
+  mediumFont setfont			% Medium sized font
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 5 mul add			% y += 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Job ID: ) RIGHT
+  moveto
+  ({printer-name}-{job-id}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 2 mul add			% y += 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Title: ) RIGHT
+  moveto
+  ({job-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -1 mul add			% y -= 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Requesting User: ) RIGHT
+  moveto
+  ({job-originating-user-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -4 mul add			% y -= 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Billing Info: ) RIGHT
+  moveto
+  ({?job-billing}) show
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: classified 2122 2002-01-31 14:19:37Z mike $".
+%
+%%EOF
diff --git a/data/confidential b/data/confidential
new file mode 100644
index 000000000..48744d6ef
--- /dev/null
+++ b/data/confidential
@@ -0,0 +1,277 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset bannerprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 10, 2000
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset bannerprint 1.1 0
+%
+%   PostScript banner page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  /boxWidth				% width of text box
+  pageWidth pageHeight lt
+  { pageWidth 54 mul }
+  { pageHeight 42 mul }
+  ifelse def
+
+  newpath				% Clear bounding path
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the label at the top and bottom...
+  0 setgray				% Color
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 72 mul			% Top of page
+  pageWidth -7 mul add			% - 2 lines
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Confidential) CENTER			% Show text centered
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 6 mul			% Bottom of page
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Confidential) CENTER			% Show text centered
+
+  % Job information box...
+  pageWidth 36 mul 9 add		% x = pageWidth * 1/2 * 72 + 9
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul 9 sub		% y = pageHeight * 1/2 * 72 - 9
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul			% y = pageHeight * 1/4 * 72
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  % Job information text...
+  mediumFont setfont			% Medium sized font
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 5 mul add			% y += 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Job ID: ) RIGHT
+  moveto
+  ({printer-name}-{job-id}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 2 mul add			% y += 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Title: ) RIGHT
+  moveto
+  ({job-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -1 mul add			% y -= 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Requesting User: ) RIGHT
+  moveto
+  ({job-originating-user-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -4 mul add			% y -= 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Billing Info: ) RIGHT
+  moveto
+  ({?job-billing}) show
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: confidential 2122 2002-01-31 14:19:37Z mike $".
+%
+%%EOF
diff --git a/data/cups.irix b/data/cups.irix
new file mode 100644
index 000000000..476383acb
--- /dev/null
+++ b/data/cups.irix
@@ -0,0 +1,3 @@
+#%PAM-1.0
+auth	required	pam_unix.so shadow nodelay nullok
+account	required	pam_unix.so
diff --git a/data/cups.pam b/data/cups.pam
new file mode 100644
index 000000000..f38e70184
--- /dev/null
+++ b/data/cups.pam
@@ -0,0 +1,2 @@
+auth	required	/lib/security/pam_pwdb.so nullok shadow
+account	required	/lib/security/pam_pwdb.so
diff --git a/data/cups.suse b/data/cups.suse
new file mode 100644
index 000000000..0c26fbe0d
--- /dev/null
+++ b/data/cups.suse
@@ -0,0 +1,2 @@
+auth	required	/lib/security/pam_unix.so nullok shadow
+account	required	/lib/security/pam_unix.so
diff --git a/data/iso-8859-1 b/data/iso-8859-1
new file mode 100644
index 000000000..057d8aee3
--- /dev/null
+++ b/data/iso-8859-1
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-1
+# (Latin1/West European) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
+39 0039
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
+40 0040
+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
+4C 004C
+4D 004D
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+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
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+61 0061
+62 0062
+63 0063
+64 0064
+65 0065
+66 0066
+67 0067
+68 0068
+69 0069
+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
+70 0070
+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
+A0 00A0
+A1 00A1
+A2 00A2
+A3 00A3
+A4 00A4
+A5 00A5
+A6 00A6
+A7 00A7
+A8 00A8
+A9 00A9
+AA 00AA
+AB 00AB
+AC 00AC
+AD 00AD
+AE 00AE
+AF 00AF
+B0 00B0
+B1 00B1
+B2 00B2
+B3 00B3
+B4 00B4
+B5 00B5
+B6 00B6
+B7 00B7
+B8 00B8
+B9 00B9
+BA 00BA
+BB 00BB
+BC 00BC
+BD 00BD
+BE 00BE
+BF 00BF
+C0 00C0
+C1 00C1
+C2 00C2
+C3 00C3
+C4 00C4
+C5 00C5
+C6 00C6
+C7 00C7
+C8 00C8
+C9 00C9
+CA 00CA
+CB 00CB
+CC 00CC
+CD 00CD
+CE 00CE
+CF 00CF
+D0 00D0
+D1 00D1
+D2 00D2
+D3 00D3
+D4 00D4
+D5 00D5
+D6 00D6
+D7 00D7
+D8 00D8
+D9 00D9
+DA 00DA
+DB 00DB
+DC 00DC
+DD 00DD
+DE 00DE
+DF 00DF
+E0 00E0
+E1 00E1
+E2 00E2
+E3 00E3
+E4 00E4
+E5 00E5
+E6 00E6
+E7 00E7
+E8 00E8
+E9 00E9
+EA 00EA
+EB 00EB
+EC 00EC
+ED 00ED
+EE 00EE
+EF 00EF
+F0 00F0
+F1 00F1
+F2 00F2
+F3 00F3
+F4 00F4
+F5 00F5
+F6 00F6
+F7 00F7
+F8 00F8
+F9 00F9
+FA 00FA
+FB 00FB
+FC 00FC
+FD 00FD
+FE 00FE
+FF 00FF
diff --git a/data/iso-8859-10 b/data/iso-8859-10
new file mode 100644
index 000000000..31f55552e
--- /dev/null
+++ b/data/iso-8859-10
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-10
+# (Latin6/Nordic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
+39 0039
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
+40 0040
+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
+4C 004C
+4D 004D
+4E 004E
+4F 004F
+50 0050
+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
+60 0060
+61 0061
+62 0062
+63 0063
+64 0064
+65 0065
+66 0066
+67 0067
+68 0068
+69 0069
+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
+70 0070
+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
+A0 00A0
+A1 0104
+A2 0112
+A3 0122
+A4 012A
+A5 0128
+A6 0136
+A7 00A7
+A8 013B
+A9 0110
+AA 0160
+AB 0166
+AC 017D
+AD 00AD
+AE 016A
+AF 014A
+B0 00B0
+B1 0105
+B2 0113
+B3 0123
+B4 012B
+B5 0129
+B6 0137
+B7 00B7
+B8 013C
+B9 0111
+BA 0161
+BB 0167
+BC 017E
+BD 2015
+BE 016B
+BF 014B
+C0 0100
+C1 00C1
+C2 00C2
+C3 00C3
+C4 00C4
+C5 00C5
+C6 00C6
+C7 012E
+C8 010C
+C9 00C9
+CA 0118
+CB 00CB
+CC 0116
+CD 00CD
+CE 00CE
+CF 00CF
+D0 0110
+D1 0145
+D2 014C
+D3 00D3
+D4 00D4
+D5 00D5
+D6 00D6
+D7 0168
+D8 00D8
+D9 0172
+DA 00DA
+DB 00DB
+DC 00DC
+DD 00DD
+DE 00DE
+DF 00DF
+E0 0101
+E1 00E1
+E2 00E2
+E3 00E3
+E4 00E4
+E5 00E5
+E6 00E6
+E7 012F
+E8 010D
+E9 00E9
+EA 0119
+EB 00EB
+EC 0117
+ED 00ED
+EE 00EE
+EF 00EF
+F0 00F0
+F1 0146
+F2 014D
+F3 00F3
+F4 00F4
+F5 00F5
+F6 00F6
+F7 0169
+F8 00F8
+F9 0173
+FA 00FA
+FB 00FB
+FC 00FC
+FD 00FD
+FE 00FD
+FF 0138
diff --git a/data/iso-8859-13 b/data/iso-8859-13
new file mode 100644
index 000000000..dcfacca9d
--- /dev/null
+++ b/data/iso-8859-13
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-13
+# (Latin7/Baltic Rim) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
+39 0039
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
+40 0040
+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
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+87 2021
+88 02C6
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+8A 0160
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+FF 2019
diff --git a/data/iso-8859-14 b/data/iso-8859-14
new file mode 100644
index 000000000..ca0097a47
--- /dev/null
+++ b/data/iso-8859-14
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-14
+# (Latin8/Celtic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
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+2C 002C
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+7E 007E
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+87 2021
+88 02C6
+89 2030
+8A 0160
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+92 2019
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+FF 00FF
diff --git a/data/iso-8859-15 b/data/iso-8859-15
new file mode 100644
index 000000000..334160f4f
--- /dev/null
+++ b/data/iso-8859-15
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-15
+# (Latin9/West Europe + Euro) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
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+32 0032
+33 0033
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+7E 007E
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+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
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+9B 203A
+9C 0153
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+FC 00FC
+FD 00FD
+FE 00FE
+FF 00FF
diff --git a/data/iso-8859-2 b/data/iso-8859-2
new file mode 100644
index 000000000..19b77878d
--- /dev/null
+++ b/data/iso-8859-2
@@ -0,0 +1,253 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-2
+# (Latin2/East European) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
+39 0039
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
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+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
+4C 004C
+4D 004D
+4E 004E
+4F 004F
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+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
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+61 0061
+62 0062
+63 0063
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+65 0065
+66 0066
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+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
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+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+84 201E
+85 2026
+86 2020
+87 2021
+89 2030
+8A 0160
+8B 2039
+8C 015A
+8D 0164
+8E 017D
+8F 0179
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+99 2122
+9A 0161
+9B 203A
+8C 015B
+8D 0165
+8E 017E
+8F 017A
+A0 00A0
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+A5 013D
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+A8 00A8
+A9 0160
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+AD 00AD
+AE 017D
+AF 017B
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+BA 015F
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+BC 017A
+BD 02DD
+BE 017E
+BF 017C
+C0 0154
+C1 00C1
+C2 00C2
+C3 0102
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+C5 0139
+C6 0106
+C7 00C7
+C8 010C
+C9 00C9
+CA 0118
+CB 00CB
+CC 011A
+CD 00CD
+CE 00CE
+CF 010E
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+D1 0143
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+D9 016E
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+E6 0107
+E7 00E7
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+FC 00FC
+FD 00FD
+FE 0163
+FF 02D9
diff --git a/data/iso-8859-3 b/data/iso-8859-3
new file mode 100644
index 000000000..efc4529ed
--- /dev/null
+++ b/data/iso-8859-3
@@ -0,0 +1,244 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-3
+# (Latin3/South European) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
+39 0039
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
+40 0040
+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
+4C 004C
+4D 004D
+4E 004E
+4F 004F
+50 0050
+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
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+61 0061
+62 0062
+63 0063
+64 0064
+65 0065
+66 0066
+67 0067
+68 0068
+69 0069
+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
+70 0070
+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
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+AD 00AD
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+B2 00B2
+B3 00B3
+B4 00B4
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+B6 0125
+B7 00B7
+B8 00B8
+B9 0131
+BA 015F
+BB 011F
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+BD 00BD
+BF 017C
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+C1 00C1
+C2 00C2
+C4 00C4
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+C7 00C7
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+CA 00CA
+CB 00CB
+CC 00CC
+CD 00CD
+CE 00CE
+CF 00CF
+D1 00D1
+D2 00D2
+D3 00D3
+D4 00D4
+D5 0120
+D6 00D6
+D7 00D7
+D8 011C
+D9 00D9
+DA 00DA
+DB 00DB
+DC 00DC
+DD 016C
+DE 015C
+DF 00DF
+E0 00E0
+E1 00E1
+E2 00E2
+E4 00E4
+E5 010B
+E6 0109
+E7 00E7
+E8 00E8
+E9 00E9
+EA 00EA
+EB 00EB
+EC 00EC
+ED 00ED
+EE 00EE
+EF 00EF
+F1 00F1
+F2 00F2
+F3 00F3
+F4 00F4
+F5 0121
+F6 00F6
+F7 00F7
+F8 011D
+F9 00F9
+FA 00FA
+FB 00FB
+FC 00FC
+FD 016D
+FE 015D
+FF 02D9
diff --git a/data/iso-8859-4 b/data/iso-8859-4
new file mode 100644
index 000000000..5c93156eb
--- /dev/null
+++ b/data/iso-8859-4
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-4
+# (Latin4/North European) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
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+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
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+4A 004A
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+5A 005A
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+61 0061
+62 0062
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+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
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+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
+A0 00A0
+A1 0104
+A2 0138
+A3 0156
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+A7 00A7
+A8 00A8
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+AB 0122
+AC 0166
+AD 00AD
+AE 017D
+AF 00AF
+B0 00B0
+B1 0105
+B2 02DB
+B3 0157
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+B7 02C7
+B8 00B8
+B9 0161
+BA 0113
+BB 0123
+BC 0167
+BD 014A
+BE 017E
+BF 014B
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+C2 00C2
+C3 00C3
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+C5 00C5
+C6 00C6
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+C9 00C9
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+CB 00CB
+CC 0116
+CD 00CD
+CE 00CE
+CF 012A
+D0 0110
+D1 0145
+D2 014C
+D3 0136
+D4 00D4
+D5 00D5
+D6 00D6
+D7 00D7
+D8 00D8
+D9 0172
+DA 00DA
+DB 00DB
+DC 00DC
+DD 0168
+DE 016A
+DF 00DF
+E0 0101
+E1 00E1
+E2 00E2
+E3 00E3
+E4 00E4
+E5 00E5
+E6 00E6
+E7 012F
+E8 010D
+E9 00E9
+EA 0119
+EB 00EB
+EC 0117
+ED 00ED
+EE 00EE
+EF 012B
+F0 0111
+F1 0146
+F2 014D
+F3 0137
+F4 00F4
+F5 00F5
+F6 00F6
+F7 00F7
+F8 00F8
+F9 0173
+FA 00FA
+FB 00FB
+FC 00FC
+FD 0169
+FE 016B
+FF 02D9
diff --git a/data/iso-8859-5 b/data/iso-8859-5
new file mode 100644
index 000000000..59ee84d57
--- /dev/null
+++ b/data/iso-8859-5
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-5
+# (Cyrillic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
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+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
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+40 0040
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+42 0042
+43 0043
+44 0044
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+4C 004C
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+4E 004E
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+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
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+61 0061
+62 0062
+63 0063
+64 0064
+65 0065
+66 0066
+67 0067
+68 0068
+69 0069
+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
+70 0070
+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
+A0 00A0
+A1 0401
+A2 0402
+A3 0403
+A4 0404
+A5 0405
+A6 0406
+A7 0407
+A8 0408
+A9 0409
+AA 040A
+AB 040B
+AC 040C
+AD 00AD
+AE 040E
+AF 040F
+B0 0410
+B1 0411
+B2 0412
+B3 0413
+B4 0414
+B5 0415
+B6 0416
+B7 0417
+B8 0418
+B9 0419
+BA 041A
+BB 041B
+BC 041C
+BD 041D
+BE 041E
+BF 041F
+C0 0420
+C1 0421
+C2 0422
+C3 0423
+C4 0424
+C5 0425
+C6 0426
+C7 0427
+C8 0428
+C9 0429
+CA 042A
+CB 042B
+CC 042C
+CD 042D
+CE 042E
+CF 042F
+D0 0430
+D1 0431
+D2 0432
+D3 0433
+D4 0434
+D5 0435
+D6 0436
+D7 0437
+D8 0438
+D9 0439
+DA 043A
+DB 043B
+DC 043C
+DD 043D
+DE 043E
+DF 043F
+E0 0440
+E1 0441
+E2 0442
+E3 0443
+E4 0444
+E5 0445
+E6 0446
+E7 0447
+E8 0448
+E9 0449
+EA 044A
+EB 044B
+EC 044C
+ED 044D
+EE 044E
+EF 044F
+F0 2116
+F1 0451
+F2 0452
+F3 0453
+F4 0454
+F5 0455
+F6 0456
+F7 0457
+F8 0458
+F9 0459
+FA 045A
+FB 045B
+FC 045C
+FD 00A7
+FE 045E
+FF 045F
diff --git a/data/iso-8859-6 b/data/iso-8859-6
new file mode 100644
index 000000000..356fe72e3
--- /dev/null
+++ b/data/iso-8859-6
@@ -0,0 +1,206 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-6
+# (Arabic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff rtol single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0660
+31 0661
+32 0662
+33 0663
+34 0664
+35 0665
+36 0666
+37 0667
+38 0668
+39 0669
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
+40 0040
+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
+4C 004C
+4D 004D
+4E 004E
+4F 004F
+50 0050
+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
+60 0060
+61 0061
+62 0062
+63 0063
+64 0064
+65 0065
+66 0066
+67 0067
+68 0068
+69 0069
+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
+70 0070
+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
+A0 00A0
+A4 00A4
+AC 060C
+AD 00AD
+BB 061B
+BF 061F
+C1 0621
+C2 0622
+C3 0623
+C4 0624
+C5 0625
+C6 0626
+C7 0627
+C8 0628
+C9 0629
+CA 062A
+CB 062B
+CC 062C
+CD 062D
+CE 062E
+CF 062F
+D0 0630
+D1 0631
+D2 0632
+D3 0633
+D4 0634
+D5 0635
+D6 0636
+D7 0637
+D8 0638
+D9 0639
+DA 063A
+E0 0640
+E1 0641
+E2 0642
+E3 0643
+E4 0644
+E5 0645
+E6 0646
+E7 0647
+E8 0648
+E9 0649
+EA 064A
+EB 064B
+EC 064C
+ED 064D
+EE 064E
+EF 064F
+F0 0650
+F1 0651
+F2 0652
diff --git a/data/iso-8859-7 b/data/iso-8859-7
new file mode 100644
index 000000000..57647841c
--- /dev/null
+++ b/data/iso-8859-7
@@ -0,0 +1,246 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-7
+# (Greek) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 9f ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+a0 ff ltor single Symbol
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
+34 0034
+35 0035
+36 0036
+37 0037
+38 0038
+39 0039
+3A 003A
+3B 003B
+3C 003C
+3D 003D
+3E 003E
+3F 003F
+40 0040
+41 0041
+42 0042
+43 0043
+44 0044
+45 0045
+46 0046
+47 0047
+48 0048
+49 0049
+4A 004A
+4B 004B
+4C 004C
+4D 004D
+4E 004E
+4F 004F
+50 0050
+51 0051
+52 0052
+53 0053
+54 0054
+55 0055
+56 0056
+57 0057
+58 0058
+59 0059
+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
+5F 005F
+60 0060
+61 0061
+62 0062
+63 0063
+64 0064
+65 0065
+66 0066
+67 0067
+68 0068
+69 0069
+6A 006A
+6B 006B
+6C 006C
+6D 006D
+6E 006E
+6F 006F
+70 0070
+71 0071
+72 0072
+73 0073
+74 0074
+75 0075
+76 0076
+77 0077
+78 0078
+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
+A0 00A0
+A1 02BD
+A2 02BC
+A3 00A3
+A6 00A6
+A7 00A7
+A8 00A8
+A9 00A9
+AB 00AB
+AC 00AC
+AD 00AD
+AF 2015
+B0 00B0
+B1 00B1
+B2 00B2
+B3 00B3
+B4 0384
+B5 0385
+B6 0386
+B7 00B7
+B8 0388
+B9 0389
+BA 038A
+BB 00BB
+BC 038C
+BD 00BD
+BE 038E
+BF 038F
+C0 0390
+C1 0391
+C2 0392
+C3 0393
+C4 0394
+C5 0395
+C6 0396
+C7 0397
+C8 0398
+C9 0399
+CA 039A
+CB 039B
+CC 039C
+CD 039D
+CE 039E
+CF 039F
+D0 03A0
+D1 03A1
+D3 03A3
+D4 03A4
+D5 03A5
+D6 03A6
+D7 03A7
+D8 03A8
+D9 03A9
+DA 03AA
+DB 03AB
+DC 03AC
+DD 03AD
+DE 03AE
+DF 03AF
+E0 03B0
+E1 03B1
+E2 03B2
+E3 03B3
+E4 03B4
+E5 03B5
+E6 03B6
+E7 03B7
+E8 03B8
+E9 03B9
+EA 03BA
+EB 03BB
+EC 03BC
+ED 03BD
+EE 03BE
+EF 03BF
+F0 03C0
+F1 03C1
+F2 03C2
+F3 03C3
+F4 03C4
+F5 03C5
+F6 03C6
+F7 03C7
+F8 03C8
+F9 03C9
+FA 03CA
+FB 03CB
+FC 03CC
+FD 03CD
+FE 03CE
diff --git a/data/iso-8859-8 b/data/iso-8859-8
new file mode 100644
index 000000000..660122d6a
--- /dev/null
+++ b/data/iso-8859-8
@@ -0,0 +1,214 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-8
+# (Hebrew) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 7f ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+80 ff rtol single Courier
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
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+2E 002E
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+3E 003E
+3F 003F
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+43 0043
+44 0044
+45 0045
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+4A 004A
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+4C 004C
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+4E 004E
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+51 0051
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+55 0055
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+5A 005A
+5B 005B
+5C 005C
+5D 005D
+5E 005E
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+61 0061
+62 0062
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+6E 006E
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+72 0072
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+75 0075
+76 0076
+77 0077
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+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
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+B9 00B9
+BA 00F7
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+BD 00BD
+BE 00BE
+DF 2017
+E0 05D0
+E1 05D1
+E2 05D2
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+E4 05D4
+E5 05D5
+E6 05D6
+E7 05D7
+E8 05D8
+E9 05D9
+EA 05DA
+EB 05DB
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+ED 05DD
+EE 05DE
+EF 05DF
+F0 05E0
+F1 05E1
+F2 05E2
+F3 05E3
+F4 05E4
+F5 05E5
+F6 05E6
+F7 05E7
+F8 05E8
+F9 05E9
+FA 05EA
diff --git a/data/iso-8859-9 b/data/iso-8859-9
new file mode 100644
index 000000000..83a661edc
--- /dev/null
+++ b/data/iso-8859-9
@@ -0,0 +1,251 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for ISO-8859-9
+# (Latin5/Turkish) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
+30 0030
+31 0031
+32 0032
+33 0033
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+3A 003A
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+3C 003C
+3D 003D
+3E 003E
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+72 0072
+73 0073
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+75 0075
+76 0076
+77 0077
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+79 0079
+7A 007A
+7B 007B
+7C 007C
+7D 007D
+7E 007E
+80 20AC
+82 201A
+83 0192
+84 201E
+85 2026
+86 2020
+87 2021
+88 02C6
+89 2030
+8A 0160
+8B 2039
+8C 0152
+91 2018
+92 2019
+93 201C
+94 201D
+95 2022
+96 2013
+97 2014
+98 02DC
+99 2122
+9A 0161
+9B 203A
+9C 0153
+9F 0178
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+D2 00D2
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+D6 00D6
+D7 00D7
+D8 00D8
+D9 00D9
+DA 00DA
+DB 00DB
+DC 00DC
+DD 0130
+DE 015E
+DF 00DF
+E0 00E0
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+E2 00E2
+E3 00E3
+E4 00E4
+E5 00E5
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+E7 00E7
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+E9 00E9
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+F2 00F2
+F3 00F3
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+F5 00F5
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+F7 00F7
+F8 00F8
+F9 00F9
+FA 00FA
+FB 00FB
+FC 00FC
+FD 0131
+FE 015F
+FF 00FF
diff --git a/data/koi8-r b/data/koi8-r
new file mode 100644
index 000000000..7d6816b07
--- /dev/null
+++ b/data/koi8-r
@@ -0,0 +1,261 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Russian
+# Code Page KOI8-R text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020             
+21 0021             
+22 0022             
+23 0023             
+24 0024             
+25 0025             
+26 0026             
+27 0027             
+28 0028             
+29 0029             
+2A 002A             
+2B 002B             
+2C 002C             
+2D 002D             
+2E 002E             
+2F 002F             
+30 0030             
+31 0031             
+32 0032             
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+34 0034             
+35 0035             
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+37 0037             
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+3A 003A             
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+93 2320             
+94 25A0             
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+97 2248             
+98 2264             
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+9A 00A0             
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+9C 00B0             
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+9E 00B7             
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+B9 2567             
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+BF 00A9             
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+C2 0431             
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+C7 0433             
+C8 0445             
+C9 0438             
+CA 0439             
+CB 043A             
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+D2 0440             
+D3 0441             
+D4 0442             
+D5 0443             
+D6 0436             
+D7 0432             
+D8 044C             
+D9 044B             
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+DE 0447             
+DF 044A             
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+E1 0410             
+E2 0411             
+E3 0426             
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+E5 0415             
+E6 0424             
+E7 0413             
+E8 0425             
+E9 0418             
+EA 0419             
+EB 041A             
+EC 041B             
+ED 041C             
+EE 041D             
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+F0 041F             
+F1 042F             
+F2 0420             
+F3 0421             
+F4 0422             
+F5 0423             
+F6 0416             
+F7 0412             
+F8 042C             
+F9 042B             
+FA 0417             
+FB 0428             
+FC 042D             
+FD 0429             
+FE 0427             
+FF 042A             
+
+
diff --git a/data/koi8-u b/data/koi8-u
new file mode 100644
index 000000000..c90c543d9
--- /dev/null
+++ b/data/koi8-u
@@ -0,0 +1,259 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Ukrainian
+# Code Page KOI8-U text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020             
+21 0021             
+22 0022             
+23 0023             
+24 0024             
+25 0025             
+26 0026             
+27 0027             
+28 0028             
+29 0029             
+2A 002A             
+2B 002B             
+2C 002C             
+2D 002D             
+2E 002E             
+2F 002F             
+30 0030             
+31 0031             
+32 0032             
+33 0033             
+34 0034             
+35 0035             
+36 0036             
+37 0037             
+38 0038             
+39 0039             
+3A 003A             
+3B 003B             
+3C 003C             
+3D 003D             
+3E 003E             
+3F 003F             
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+41 0041             
+42 0042             
+43 0043             
+44 0044             
+45 0045             
+46 0046             
+47 0047             
+48 0048             
+49 0049             
+4A 004A             
+4B 004B             
+4C 004C             
+4D 004D             
+4E 004E             
+4F 004F             
+50 0050             
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+52 0052             
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+54 0054             
+55 0055             
+56 0056             
+57 0057             
+58 0058             
+59 0059             
+5A 005A             
+5B 005B             
+5C 005C             
+5D 005D             
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+67 0067             
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+6A 006A             
+6B 006B             
+6C 006C             
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+79 0079             
+7A 007A             
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+7C 007C             
+7D 007D             
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+7F 007F             
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+8B 2580             
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+8E 258C             
+8F 2590             
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+9B 2321             
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+C8 0445             
+C9 0438             
+CA 0439             
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+D3 0441             
+D4 0442             
+D5 0443             
+D6 0436             
+D7 0432             
+D8 044C             
+D9 044B             
+DA 0437             
+DB 0448             
+DC 044D             
+DD 0449             
+DE 0447             
+DF 044A             
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+E1 0410             
+E2 0411             
+E3 0426             
+E4 0414             
+E5 0415             
+E6 0424             
+E7 0413             
+E8 0425             
+E9 0418             
+EA 0419             
+EB 041A             
+EC 041B             
+ED 041C             
+EE 041D             
+EF 041E             
+F0 041F             
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+F2 0420             
+F3 0421             
+F4 0422             
+F5 0423             
+F6 0416             
+F7 0412             
+F8 042C             
+F9 042B             
+FA 0417             
+FB 0428             
+FC 042D             
+FD 0429             
+FE 0427             
+FF 042A             
diff --git a/data/psglyphs b/data/psglyphs
new file mode 100644
index 000000000..c4a902c66
--- /dev/null
+++ b/data/psglyphs
@@ -0,0 +1,1051 @@
+0020 space
+0021 exclam
+0022 quotedbl
+0023 numbersign
+0024 dollar
+0025 percent
+0026 ampersand
+0027 quotesingle
+0028 parenleft
+0029 parenright
+002a asterisk
+002b plus
+002c comma
+002d minus
+002e period
+002f slash
+0030 zero
+0031 one
+0032 two
+0033 three
+0034 four
+0035 five
+0036 six
+0037 seven
+0038 eight
+0039 nine
+003a colon
+003b semicolon
+003c less
+003d equal
+003e greater
+003f question
+0040 at
+0041 A
+0042 B
+0043 C
+0044 D
+0045 E
+0046 F
+0047 G
+0048 H
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+f8e9 copyrightsans
+f8ea trademarksans
+f8eb parenlefttp
+f8ec parenleftex
+f8ed parenleftbt
+f8ee bracketlefttp
+f8ef bracketleftex
+f8f0 bracketleftbt
+f8f1 bracelefttp
+f8f2 braceleftmid
+f8f3 braceleftbt
+f8f4 braceex
+f8f5 integralex
+f8f6 parenrighttp
+f8f7 parenrightex
+f8f8 parenrightbt
+f8f9 bracketrighttp
+f8fa bracketrightex
+f8fb bracketrightbt
+f8fc bracerighttp
+f8fd bracerightmid
+f8fe bracerightbt
+fb00 ff
+fb01 fi
+fb02 fl
+fb03 ffi
+fb04 ffl
+fb1f afii57705
+fb2a afii57694
+fb2b afii57695
+fb35 afii57723
+fb4b afii57700
diff --git a/data/secret b/data/secret
new file mode 100644
index 000000000..1f8751430
--- /dev/null
+++ b/data/secret
@@ -0,0 +1,277 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset bannerprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 10, 2000
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset bannerprint 1.1 0
+%
+%   PostScript banner page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  /boxWidth				% width of text box
+  pageWidth pageHeight lt
+  { pageWidth 54 mul }
+  { pageHeight 42 mul }
+  ifelse def
+
+  newpath				% Clear bounding path
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the label at the top and bottom...
+  0 setgray				% Color
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 72 mul			% Top of page
+  pageWidth -7 mul add			% - 2 lines
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Secret) CENTER			% Show text centered
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 6 mul			% Bottom of page
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Secret) CENTER			% Show text centered
+
+  % Job information box...
+  pageWidth 36 mul 9 add		% x = pageWidth * 1/2 * 72 + 9
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul 9 sub		% y = pageHeight * 1/2 * 72 - 9
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul			% y = pageHeight * 1/4 * 72
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  % Job information text...
+  mediumFont setfont			% Medium sized font
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 5 mul add			% y += 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Job ID: ) RIGHT
+  moveto
+  ({printer-name}-{job-id}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 2 mul add			% y += 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Title: ) RIGHT
+  moveto
+  ({job-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -1 mul add			% y -= 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Requesting User: ) RIGHT
+  moveto
+  ({job-originating-user-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -4 mul add			% y -= 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Billing Info: ) RIGHT
+  moveto
+  ({?job-billing}) show
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: secret 2122 2002-01-31 14:19:37Z mike $".
+%
+%%EOF
diff --git a/data/standard b/data/standard
new file mode 100644
index 000000000..ca0edb037
--- /dev/null
+++ b/data/standard
@@ -0,0 +1,261 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset bannerprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 10, 2000
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset bannerprint 1.1 0
+%
+%   PostScript banner page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  /boxWidth				% width of text box
+  pageWidth pageHeight lt
+  { pageWidth 54 mul }
+  { pageHeight 42 mul }
+  ifelse def
+
+  newpath				% Clear bounding path
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Job information box...
+  pageWidth 36 mul 9 add		% x = pageWidth * 1/2 * 72 + 9
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul 9 sub		% y = pageHeight * 1/2 * 72 - 9
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul			% y = pageHeight * 1/4 * 72
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  % Job information text...
+  mediumFont setfont			% Medium sized font
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 5 mul add			% y += 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Job ID: ) RIGHT
+  moveto
+  ({printer-name}-{job-id}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 2 mul add			% y += 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Title: ) RIGHT
+  moveto
+  ({job-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -1 mul add			% y -= 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Requesting User: ) RIGHT
+  moveto
+  ({job-originating-user-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -4 mul add			% y -= 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Billing Info: ) RIGHT
+  moveto
+  ({?job-billing}) show
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: standard 2122 2002-01-31 14:19:37Z mike $".
+%
+%%EOF
diff --git a/data/testprint.ps b/data/testprint.ps
new file mode 100644
index 000000000..09683e614
--- /dev/null
+++ b/data/testprint.ps
@@ -0,0 +1,522 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset testprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 11, 1999
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset testprint 1.1 0
+%
+%   PostScript test page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/OCTANT {			% Draw a color wheel OCTANT...
+				% (name) radius r g b OCTANT -
+  % Loop through 100 shades...
+  0 0.010101 0.98 {
+    % Set the color...
+    3 index 1 eq		% R == 1?
+    3 index 1 eq		% G == 1?
+    3 index 1 eq		% B == 1?
+    and and {
+      0 index 4 index mul 	% R * val
+      1 index 4 index mul 	% G * val
+      2 index 4 index mul 	% B * val
+    } {
+      0 index 4 index mul 	% R * val
+      1 index neg 1 add	add	% + (1 - val)
+      1 index 4 index mul 	% G * val
+      2 index neg 1 add	add	% + (1 - val)
+      2 index 4 index mul 	% B * val
+      3 index neg 1 add	add	% + (1 - val)
+    } ifelse
+    setrgbcolor
+
+    % Draw a polygon...
+    dup 5 index mul dup 0	% x1, y1
+    moveto
+    0.707106781 mul dup lineto	% x2, y2
+
+    0.010101 add 4 index mul dup % x3
+    0.707106781 mul dup lineto	% x3, y3
+    0 lineto			% x4, y4
+    closepath
+    fill
+  } for
+
+  % Draw a line around the polygons...
+  pop pop pop dup
+  0 setgray
+  0 0 moveto
+  dup 0 lineto
+  0.707106781 mul dup lineto
+  closepath
+  stroke
+
+  % Draw the label...
+  0 exch dup -9 div exch	% text offset = 0, -radius/9
+  dup 0.923879532 mul		% x = radius * cos(22.5)
+  exch 0.382683432 mul		% y = radius * cos(22.5)
+  moveto			% position label
+  gsave
+    22.5 rotate			% rotate label
+    rmoveto			% offset label
+    show			% show label
+  grestore
+} bind def
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  4 setlinewidth			% Draw wide lines
+  0 setgray closepath stroke		% Draw a clipping rectangle
+  1 setlinewidth			% Draw normal lines
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  72 72 dtransform			% Get device resolution per inch
+  /yResolution exch abs def		% yResolution = abs(yres)
+  /xResolution exch abs def		% xResolution = abs(xres)
+
+  % Figure out the sizes of things...
+  /wheelSize				% size of wheels
+  pageWidth pageHeight lt
+  { pageWidth 9 mul }
+  { pageHeight 7 mul }
+  ifelse def
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  /smallFont /Times-Roman findfont	% smallFont = Times-Roman
+  pageHeight scalefont def		% size = pageHeight (nominally 11)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the color wheel...
+  mediumFont setfont			% Font
+  0 setgray				% Color
+
+  gsave
+    % Position the wheel on the left side...
+    pageWidth 18 mul			% x = pageWidth * 1/4 * 72
+    pageHeight 54 mul			% y = pageHeight * 3/4 * 72
+    translate
+
+    % Size the wheel...
+    wheelSize
+
+    % Draw the colors...
+    dup (C) exch 0 1 1 OCTANT 45 rotate
+    dup (M) exch 1 0 1 OCTANT 45 rotate
+    dup (Y) exch 1 1 0 OCTANT 45 rotate
+    dup (K) exch 0 0 0 OCTANT 45 rotate
+    dup (R) exch 1 0 0 OCTANT 45 rotate
+    dup (G) exch 0 1 0 OCTANT 45 rotate
+    dup (B) exch 0 0 1 OCTANT 45 rotate
+    (W) exch 1 1 1 OCTANT 45 rotate
+  grestore
+
+  % Label the color wheel...
+  pageWidth 18 mul			% x = pageWidth * 1/4 * 72
+  pageHeight 44 mul			% y = pageHeight * 19/32 * 72
+  moveto				% Position the text
+  (Color Wheel) CENTER			% Show the text centered
+
+  % Draw radial lines...
+  gsave
+    0 setlinewidth			% 1 pixel lines
+
+    % Position the lines on the left side...
+    pageWidth 54 mul			% x = pageWidth * 3/4 * 72
+    pageHeight 54 mul			% y = pageHeight * 3/4 * 72
+    translate
+
+    % Size the wheel...
+    wheelSize
+
+    % Loop at 1 degree increments
+    0 1 359 {
+      pop				% Discard angle - not used
+      0 0 moveto			% Start line at the center
+      dup 0 lineto			% Draw to the radius
+      1 rotate				% Rotate 1 degree
+    } for
+
+    pop					% Discard radius - not needed anymore
+    stroke      			% Draw lines...
+
+  grestore
+
+  % Label the lines...
+  pageWidth 54 mul			% x = pageWidth * 3/4 * 72
+  pageHeight 44 mul			% y = pageHeight * 19/32 * 72
+  moveto				% Position the text
+  (1 Degree Radial Lines) CENTER	% Show the text centered
+
+  % Imageable area...
+  pageHeight 15 mul			% Height of imageable area
+
+  pageWidth 4.5 mul			% x = pageWidth * 1/16 * 72
+  pageHeight 35.5 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 1/4 * 72
+  3 index				% height
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 4 mul			% x = pageWidth * 1/16 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 3/8 * 72
+  3 index				% height
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  pop					% Discard height
+
+  % Label the imageable area...
+  pageWidth 4 mul			% x = pageWidth * 1/16 * 72
+  pageHeight 37 mul			% y = pageHeight * 1/2 * 72
+  moveto				% Position the text
+  mediumFont setfont			% Font
+  (Imageable Area) show			% Show the text
+
+  smallFont setfont			% Font
+  pageWidth 14 mul			% x = pageWidth * 3/16 * 72
+  pageHeight 36 mul			% y = pageWidth * 1/2 * 72
+  pageHeight -2 mul add			% y -= 2 * smallFont height
+
+  % Page Size inches
+  2 copy moveto				% Move to x & y
+  (Page Size: ) RIGHT			% Label
+  100 pageWidth NUMBER			% pageWidth
+  (x) show				% "x"
+  100 pageHeight NUMBER			% pageHeight
+  (in) show				% "in"
+
+  % Page Size millimeters
+  pageHeight sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  10 pageWidth 25.4 mul NUMBER		% pageWidth
+  (x) show				% "x"
+  10 pageHeight 25.4 mul NUMBER		% pageHeight
+  (mm) show				% "mm"
+
+  % Lower-left inches
+  pageHeight 2 mul sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  (Lower-Left: ) RIGHT			% Label
+  100 pageLeft NUMBER			% pageLeft
+  (x) show				% "x"
+  100 pageBottom NUMBER			% pageBottom
+  (in) show				% "in"
+
+  % Lower-left millimeters
+  pageHeight sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  10 pageLeft 25.4 mul NUMBER		% pageLeft
+  (x) show				% "x"
+  10 pageBottom 25.4 mul NUMBER		% pageBottom
+  (mm) show				% "mm"
+
+  % Upper-right inches
+  pageHeight 2 mul sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  (Upper-Right: ) RIGHT			% Label
+  100 pageRight NUMBER			% pageRight
+  (x) show				% "x"
+  100 pageTop NUMBER			% pageTop
+  (in) show				% "in"
+
+  % Upper-right millimeters
+  pageHeight sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  10 pageRight 25.4 mul NUMBER		% pageRight
+  (x) show				% "x"
+  10 pageTop 25.4 mul NUMBER		% pageTop
+  (mm) show				% "mm"
+
+  % Resolution dots-per-inch
+  pageHeight 2 mul sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  (Resolution: ) RIGHT			% Label
+  1 xResolution NUMBER			% xResolution
+  (x) show				% "x"
+  1 yResolution NUMBER			% yResolution
+  (dpi) show				% "dpi"
+
+  % Resolution dots-per-meter
+  pageHeight sub			% Move down...
+
+  moveto				% Move to x & y
+  1 xResolution 39.27 mul NUMBER	% xResolution
+  (x) show				% "x"
+  1 yResolution 39.27 mul NUMBER	% yResolution
+  (dpm) show				% "dpm"
+
+  % Interpreter Information...
+  pageHeight 15 mul			% Height of interpreter information
+
+  pageWidth 40.5 mul			% x = pageWidth * 9/16 * 72
+  pageHeight 35.5 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 1/4 * 72
+  3 index				% height
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 40 mul			% x = pageWidth * 9/16 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 3/8 * 72
+  3 index				% height
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  pop					% Discard height
+
+  % Label the interpreter info...
+  pageWidth 40 mul			% x = pageWidth * 9/16 * 72
+  pageHeight 37 mul			% y = pageHeight * 1/2 * 72
+  moveto				% Position the text
+  mediumFont setfont			% Font
+  (Interpreter Information) show	% Show the text
+
+  smallFont setfont			% Font
+  pageWidth 49 mul			% x = pageWidth * 11/16 * 72
+  pageHeight 36 mul			% y = pageWidth * 1/2 * 72
+  pageHeight 2 mul sub			% y -= 2 * smallFont height
+
+  % Language level
+  2 copy moveto				% Move to x & y
+  (PostScript: ) RIGHT			% Label
+  (Level ) show				% "Level "
+  1 languagelevel NUMBER		% Language level
+
+  % Version
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Move to x & y
+  (Version: ) RIGHT			% Label
+  version show				% Version
+  ( \() show				% " ("
+  1 revision NUMBER			% Revision
+  (\)) show				% ")"
+
+  % Product
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Move to x & y
+  (Product: ) RIGHT			% Label
+  product show				% Product name
+
+  % Serial Number
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Move to x & y
+  (Serial #: ) RIGHT			% Label
+  1 serialnumber NUMBER			% S/N
+
+  % Draw the label at the top...
+  pageWidth 36 mul			% Center of page
+  pageHeight 68 mul			% Top of page (15/16ths)
+  2 copy moveto				% Position text
+  bigFont setfont			% Font
+  (Printer Test Page) CENTER		% Show text centered
+
+  % Draw the copyright notice at the bottom...
+  pageWidth 36 mul			% Center of page
+  pageHeight 10 mul			% Bottom of page
+  2 copy moveto				% Position text
+  (Printed Using CUPS v1.1.x) CENTER	% Show text centered
+
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Position text
+  smallFont setfont			% Font
+  (Copyright 1993-2002 Easy Software Products, All Rights Reserved.) CENTER
+  pageHeight sub			% Move down...
+  2 copy moveto				% Position text
+  (CUPS, and the CUPS logo are the trademark property of) CENTER
+  pageHeight sub			% Move down...
+  2 copy moveto				% Position text
+  (Easy Software Products, 44141 Airport View Drive, Suite 204,) CENTER
+  pageHeight sub			% Move down...
+  2 copy moveto				% Position text
+  (Hollywood, Maryland, 20636-3111, USA.) CENTER
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageHeight 4 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageHeight 4 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: testprint.ps 2010 2002-01-02 17:59:21Z mike $".
+%
+%%EOF
diff --git a/data/topsecret b/data/topsecret
new file mode 100644
index 000000000..c5c77c340
--- /dev/null
+++ b/data/topsecret
@@ -0,0 +1,277 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset bannerprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 10, 2000
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset bannerprint 1.1 0
+%
+%   PostScript banner page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  /boxWidth				% width of text box
+  pageWidth pageHeight lt
+  { pageWidth 54 mul }
+  { pageHeight 42 mul }
+  ifelse def
+
+  newpath				% Clear bounding path
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the label at the top and bottom...
+  0 setgray				% Color
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 72 mul			% Top of page
+  pageWidth -7 mul add			% - 2 lines
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Top Secret) CENTER			% Show text centered
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 6 mul			% Bottom of page
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Top Secret) CENTER			% Show text centered
+
+  % Job information box...
+  pageWidth 36 mul 9 add		% x = pageWidth * 1/2 * 72 + 9
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul 9 sub		% y = pageHeight * 1/2 * 72 - 9
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul			% y = pageHeight * 1/4 * 72
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  % Job information text...
+  mediumFont setfont			% Medium sized font
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 5 mul add			% y += 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Job ID: ) RIGHT
+  moveto
+  ({printer-name}-{job-id}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 2 mul add			% y += 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Title: ) RIGHT
+  moveto
+  ({job-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -1 mul add			% y -= 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Requesting User: ) RIGHT
+  moveto
+  ({job-originating-user-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -4 mul add			% y -= 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Billing Info: ) RIGHT
+  moveto
+  ({?job-billing}) show
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: topsecret 2122 2002-01-31 14:19:37Z mike $".
+%
+%%EOF
diff --git a/data/unclassified b/data/unclassified
new file mode 100644
index 000000000..d53190841
--- /dev/null
+++ b/data/unclassified
@@ -0,0 +1,277 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset bannerprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 10, 2000
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset bannerprint 1.1 0
+%
+%   PostScript banner page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44141 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  /boxWidth				% width of text box
+  pageWidth pageHeight lt
+  { pageWidth 54 mul }
+  { pageHeight 42 mul }
+  ifelse def
+
+  newpath				% Clear bounding path
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the label at the top and bottom...
+  0 setgray				% Color
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 72 mul			% Top of page
+  pageWidth -7 mul add			% - 2 lines
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Unclassified) CENTER			% Show text centered
+
+  pageWidth 36 mul			% Center of page
+  pageHeight 6 mul			% Bottom of page
+  moveto				% Position text
+  bigFont setfont			% Font
+  (Unclassified) CENTER			% Show text centered
+
+  % Job information box...
+  pageWidth 36 mul 9 add		% x = pageWidth * 1/2 * 72 + 9
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul 9 sub		% y = pageHeight * 1/2 * 72 - 9
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  boxWidth 0.5 mul sub			% x-= 1/2 box width
+  pageHeight 30 mul			% y = pageHeight * 1/4 * 72
+  boxWidth				% w = box width
+  pageHeight 14 mul			% h = pageHeight * 1/2 * 72
+
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  % Job information text...
+  mediumFont setfont			% Medium sized font
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 5 mul add			% y += 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Job ID: ) RIGHT
+  moveto
+  ({printer-name}-{job-id}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight 2 mul add			% y += 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Title: ) RIGHT
+  moveto
+  ({job-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -1 mul add			% y -= 1 line
+  2 copy				% Copy X & Y
+  moveto
+  (Requesting User: ) RIGHT
+  moveto
+  ({job-originating-user-name}) show
+
+  pageWidth 36 mul			% x = pageWidth * 1/2 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  pageHeight -4 mul add			% y -= 2 lines
+  2 copy				% Copy X & Y
+  moveto
+  (Billing Info: ) RIGHT
+  moveto
+  ({?job-billing}) show
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageWidth 6 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: unclassified 2122 2002-01-31 14:19:37Z mike $".
+%
+%%EOF
diff --git a/data/utf-8 b/data/utf-8
new file mode 100644
index 000000000..b73eb9667
--- /dev/null
+++ b/data/utf-8
@@ -0,0 +1,39 @@
+charset utf8
+
+#
+# This file defines the font mappings used for Unicode/UTF-8 text printing.
+#
+# Each line consists of:
+#
+#   first last direction width normal bold italic bold-italic
+#
+# First and last are the first and last glyphs in the font mapping
+# that correspond to that font; a maximum of 256 characters can be
+# mapped within each group, with a maximum of 256 mappings (this is a
+# PostScript limitation.) The glyph values are hexadecimal.
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+0000 00FF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+0100 01FF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+0200 02FF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+0300 03FF ltor single Symbol
+0400 04FF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+0500 05FF rtol single Courier
+1E00 1EFF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+2000 20FF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+2100 21FF ltor single Courier Courier-Bold Courier-Italic Courier-Bold-Italic
+2200 22FF ltor single Symbol
+2300 23FF ltor single Symbol
diff --git a/data/windows-1250 b/data/windows-1250
new file mode 100644
index 000000000..afcc62ed5
--- /dev/null
+++ b/data/windows-1250
@@ -0,0 +1,254 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1250 (WinLatin2) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
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+FC 00FC
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+FF 02D9
diff --git a/data/windows-1251 b/data/windows-1251
new file mode 100644
index 000000000..6d31dee09
--- /dev/null
+++ b/data/windows-1251
@@ -0,0 +1,258 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1251 (WinCyrillic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
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+87 2021
+88 20AC
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+8C 040A
+8D 040C
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diff --git a/data/windows-1252 b/data/windows-1252
new file mode 100644
index 000000000..a98595874
--- /dev/null
+++ b/data/windows-1252
@@ -0,0 +1,254 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1252 (WinLatin1) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
+2B 002B
+2C 002C
+2D 002D
+2E 002E
+2F 002F
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+33 0033
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diff --git a/data/windows-1253 b/data/windows-1253
new file mode 100644
index 000000000..c736ecd6c
--- /dev/null
+++ b/data/windows-1253
@@ -0,0 +1,243 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1253 (WinGreek) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 9f ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+a0 ff ltor single Symbol
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
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diff --git a/data/windows-1254 b/data/windows-1254
new file mode 100644
index 000000000..87fff2db7
--- /dev/null
+++ b/data/windows-1254
@@ -0,0 +1,252 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1254 (WinTurkish) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
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diff --git a/data/windows-1255 b/data/windows-1255
new file mode 100644
index 000000000..a8b26a85d
--- /dev/null
+++ b/data/windows-1255
@@ -0,0 +1,236 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1255 (WinHebrew) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff rtol single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
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+27 0027
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diff --git a/data/windows-1256 b/data/windows-1256
new file mode 100644
index 000000000..6908f1eb5
--- /dev/null
+++ b/data/windows-1256
@@ -0,0 +1,259 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1256 (WinArabic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff rtol single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
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diff --git a/data/windows-1257 b/data/windows-1257
new file mode 100644
index 000000000..ac5f8e0b7
--- /dev/null
+++ b/data/windows-1257
@@ -0,0 +1,247 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1257 (WinBaltic) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
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diff --git a/data/windows-1258 b/data/windows-1258
new file mode 100644
index 000000000..f7721c51b
--- /dev/null
+++ b/data/windows-1258
@@ -0,0 +1,250 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 1258 (WinVietnamese) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
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diff --git a/data/windows-874 b/data/windows-874
new file mode 100644
index 000000000..886e46a4b
--- /dev/null
+++ b/data/windows-874
@@ -0,0 +1,228 @@
+charset 8bit
+
+#
+# This file defines the font and character mappings used for Windows
+# Code Page 874 (Thai) text printing.
+#
+# The first line consists of:
+#
+#   direction width normal bold italic bold-italic
+#
+# Direction is the string "ltor" or "rtol", indicating left-to-right or
+# right-to-left text.
+#
+# Width is the string "single" or "double"; double means that the glyphs
+# are twice as wide as ASCII characters in the Courier typeface.
+#
+# "Normal", "bold", "italic", and "bold-italic" are the typefaces to use
+# for each presentation.  If characters are only available in a single
+# style then only one typeface should be listed (e.g. "Symbol")
+#
+# Each font that is listed will be used (and downloaded if needed) when
+# printing.
+#
+
+00 ff ltor single Courier Courier-Bold Courier-Italic Courier-BoldItalic
+
+#
+# The following lines define the mapping from the 8-bit character set to
+# the Unicode glyphs for each character:
+#
+#   char glyph
+#
+# "Char" and "glyph" are hexadecimal values.
+#
+
+20 0020
+21 0021
+22 0022
+23 0023
+24 0024
+25 0025
+26 0026
+27 0027
+28 0028
+29 0029
+2A 002A
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diff --git a/doc/Makefile b/doc/Makefile
new file mode 100644
index 000000000..1051ba2db
--- /dev/null
+++ b/doc/Makefile
@@ -0,0 +1,236 @@
+#
+# "$Id$"
+#
+#   Documentation makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9600
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# HTMLDOC generation rules...
+#
+
+.SUFFIXES:	.html .pdf .ps .shtml
+.shtml.html:
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --numbered -f $@ $<
+.shtml.pdf:
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--numbered --jpeg -f $@ $<
+.shtml.ps:
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --numbered \
+		--jpeg -f $@ $<
+
+
+#
+# Document files...
+#
+
+DOCUMENTS	=	cmp.shtml idd.shtml ipp.shtml sam.shtml sdd.shtml \
+			spm.shtml sps.shtml ssr.shtml stp.shtml sum.shtml \
+			svd.shtml
+DOCIMAGES	=	images/cups-block-diagram.gif images/cups-large.gif \
+			images/cups-medium.gif images/cups-small.gif
+WEBPAGES	=	cups.css cupsdoc.css index.html documentation.html
+WEBIMAGES	=	images/accept-jobs.gif \
+			images/add-class.gif \
+			images/add-printer.gif \
+			images/cancel-job.gif \
+			images/cancel-jobs.gif \
+			images/cancel.gif \
+			images/classes.gif \
+			images/config-printer.gif \
+			images/continue.gif \
+			images/delete-class.gif \
+			images/delete-printer.gif \
+			images/draft.gif \
+			images/hold-job.gif \
+			images/left.gif \
+			images/logo.gif \
+			images/manage-classes.gif \
+			images/manage-jobs.gif \
+			images/manage-printers.gif \
+			images/modify-class.gif \
+			images/modify-printer.gif \
+			images/navbar.gif \
+			images/print-test-page.gif \
+			images/printer-idle.gif \
+			images/printer-processing.gif \
+			images/printer-stopped.gif \
+			images/reject-jobs.gif \
+			images/release-job.gif \
+			images/restart-job.gif \
+			images/right.gif \
+			images/show-active.gif \
+			images/show-completed.gif \
+			images/start-class.gif \
+			images/start-printer.gif \
+			images/stop-class.gif \
+			images/stop-printer.gif
+
+
+#
+# Make all documents...
+#
+
+all:	$(DOCUMENTS:.shtml=.pdf) $(DOCUMENTS:.shtml=.html) overview.pdf
+
+
+#
+# Make PS files...
+#
+
+ps:	$(DOCUMENTS:.shtml=.ps) overview.ps
+
+
+#
+# Remove all generated files...
+#
+
+clean:
+	$(RM) $(DOCUMENTS:.shtml=.pdf)
+	$(RM) $(DOCUMENTS:.shtml=.html)
+	$(RM) overview.pdf
+
+
+#
+# Install all documentation files...
+#
+
+install:
+	$(INSTALL_DIR) $(DOCDIR)
+	for file in $(WEBPAGES); do \
+		$(INSTALL_MAN) $$file $(DOCDIR); \
+	done
+	$(INSTALL_MAN) overview.html $(DOCDIR)
+	$(INSTALL_MAN) overview.pdf $(DOCDIR)
+	for file in $(DOCUMENTS:.shtml=.html); do \
+		$(INSTALL_MAN) $$file $(DOCDIR); \
+	done
+	for file in $(DOCUMENTS:.shtml=.pdf); do \
+		$(INSTALL_MAN) $$file $(DOCDIR); \
+	done
+	$(INSTALL_DIR) $(DOCDIR)/images
+	for file in $(WEBIMAGES) $(DOCIMAGES); do \
+		$(INSTALL_MAN) $$file $(DOCDIR)/images; \
+	done
+
+
+#
+# The overview, admin manual, programmers manual, and users manual get
+# special attention...
+#
+
+overview.pdf:	overview.html
+	echo Formatting $@...
+	htmldoc --duplex --compression=9 --jpeg --webpage -f overview.pdf overview.html
+overview.ps:	overview.html
+	echo Formatting $@...
+	htmldoc --duplex --jpeg --webpage -f overview.ps overview.html
+
+sam.html:	sam.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif -f $@ $<
+sam.pdf:	sam.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--jpeg -f $@ $<
+sam.ps:		sam.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --jpeg -f $@ $<
+
+spm.html:	spm.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif -f $@ $<
+spm.pdf:	spm.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--jpeg -f $@ $<
+spm.ps:		spm.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --jpeg -f $@ $<
+
+sum.html:	sum.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif -f $@ $<
+sum.pdf:	sum.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--jpeg -f $@ $<
+sum.ps:		sum.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --jpeg -f $@ $<
+
+sam-7x8.pdf:	sam.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--pagelayout tworight --pagemode document \
+		--jpeg --size 7x8.5in --left 0.5in --right 0.25in \
+		--top 0.25in --bottom 0.25in --fontsize 10 --headfootsize 10 -f $@ sam.shtml
+sam-7x8.ps:		sam.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --jpeg \
+		--size 7x8.5in --left 0.5in --right 0.25in \
+		--top 0.25in --bottom 0.25in --fontsize 10 --headfootsize 10 -f $@ sam.shtml
+spm-7x8.pdf:	spm.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--pagelayout tworight --pagemode document \
+		--jpeg --size 7x8.5in --left 0.5in --right 0.25in \
+		--top 0.25in --bottom 0.25in --fontsize 10 --headfootsize 10 -f $@ spm.shtml
+spm-7x8.ps:		spm.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --jpeg \
+		--size 7x8.5in --left 0.5in --right 0.25in \
+		--top 0.25in --bottom 0.25in --fontsize 10 --headfootsize 10 -f $@ spm.shtml
+sum-7x8.pdf:	sum.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --compression=9 \
+		--pagelayout tworight --pagemode document \
+		--jpeg --size 7x8.5in --left 0.5in --right 0.25in \
+		--top 0.25in --bottom 0.25in --fontsize 10 --headfootsize 10 -f $@ sum.shtml
+sum-7x8.ps:		sum.shtml
+	echo Formatting $@...
+	htmldoc --titleimage images/cups-large.gif --duplex --jpeg \
+		--size 7x8.5in --left 0.5in --right 0.25in \
+		--top 0.25in --bottom 0.25in --fontsize 10 --headfootsize 10 -f $@ sum.shtml
+
+$(DOCUMENTS:.shtml=.html): \
+		glossary.shtml printing-overview.shtml \
+		references.shtml system-overview.shtml \
+		../LICENSE.html
+
+$(DOCUMENTS:.shtml=.pdf): \
+		glossary.shtml printing-overview.shtml \
+		references.shtml system-overview.shtml \
+		../LICENSE.html
+
+$(DOCUMENTS:.shtml=.ps): \
+		glossary.shtml printing-overview.shtml \
+		references.shtml system-overview.shtml \
+		../LICENSE.html
+
+
+#
+# End of Makefile.
+#
diff --git a/doc/cmp.html b/doc/cmp.html
new file mode 100644
index 000000000..e09db9fc3
--- /dev/null
+++ b/doc/cmp.html
@@ -0,0 +1,677 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Configuration Management Plan</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-CMP-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Configuration Management Plan</H1></A><BR>
+CUPS-CMP-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 File Management</A></B>
+<UL>
+<LI><A HREF="#3_1">3.1 Directory Structure</A></LI>
+<LI><A HREF="#3_2">3.2 Source Files</A></LI>
+<LI><A HREF="#3_3">3.3 Configuration Management</A></LI>
+</UL>
+<B><A HREF="#4">4 Trouble Report Processing</A></B>
+<UL>
+<LI><A HREF="#4_1">4.1 Classification</A></LI>
+<LI><A HREF="#4_2">4.2 Identification</A></LI>
+<LI><A HREF="#4_3">4.3 Correction</A></LI>
+<LI><A HREF="#4_4">4.4 Notification</A></LI>
+</UL>
+<B><A HREF="#5">5 Software Releases</A></B>
+<UL>
+<LI><A HREF="#5_1">5.1 Version Numbering</A></LI>
+<LI><A HREF="#5_2">5.2 Generation</A></LI>
+<LI><A HREF="#5_3">5.3 Testing</A></LI>
+<LI><A HREF="#5_4">5.4 Release</A></LI>
+</UL>
+<B><A HREF="#6">A Glossary</A></B>
+<UL>
+<LI><A HREF="#6_1">A.1 Terms</A></LI>
+<LI><A HREF="#6_2">A.2 Acronyms</A></LI>
+</UL>
+<B><A HREF="#7">B Coding Requirements</A></B>
+<UL>
+<LI><A HREF="#7_1">B.1 Source Files</A></LI>
+<UL>
+<LI><A HREF="#7_1_1">B.1.1 Naming</A></LI>
+<LI><A HREF="#7_1_2">B.1.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_2">B.2 Functions</A></LI>
+<UL>
+<LI><A HREF="#7_2_1">B.2.1 Naming</A></LI>
+<LI><A HREF="#7_2_2">B.2.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_3">B.3 Methods</A></LI>
+<UL>
+<LI><A HREF="#7_3_1">B.3.1 Naming</A></LI>
+<LI><A HREF="#7_3_2">B.3.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_4">B.4 Variables</A></LI>
+<UL>
+<LI><A HREF="#7_4_1">B.4.1 Naming</A></LI>
+<LI><A HREF="#7_4_2">B.4.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_5">B.5 Types</A></LI>
+<UL>
+<LI><A HREF="#7_5_1">B.5.1 Naming</A></LI>
+<LI><A HREF="#7_5_2">B.5.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_6">B.6 Structures</A></LI>
+<UL>
+<LI><A HREF="#7_6_1">B.6.1 Naming</A></LI>
+<LI><A HREF="#7_6_2">B.6.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_7">B.7 Classes</A></LI>
+<UL>
+<LI><A HREF="#7_7_1">B.7.1 Naming</A></LI>
+<LI><A HREF="#7_7_2">B.7.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_8">B.8 Constants</A></LI>
+<UL>
+<LI><A HREF="#7_8_1">B.8.1 Naming</A></LI>
+<LI><A HREF="#7_8_2">B.8.2 Documentation</A></LI>
+</UL>
+<LI><A HREF="#7_9">B.9 Code</A></LI>
+<UL>
+<LI><A HREF="#7_9_1">B.9.1 Documentation</A></LI>
+<LI><A HREF="#7_9_2">B.9.2 Style</A></LI>
+</UL>
+</UL>
+<B><A HREF="#8">C Software Trouble Report Form</A></B><HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+ This configuration management plan document provides the guidelines for
+ development and maintenance of the Common UNIX Printing System (&quot;CUPS&quot;)
+ Version 1.1 software.
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+ This configuration management document is organized into the following
+ sections:
+<UL>
+<LI>1 - Scope</LI>
+<LI>2 - References</LI>
+<LI>3 - File Management</LI>
+<LI>4 - Trouble Report Processing</LI>
+<LI>5 - Software Releases</LI>
+<LI>A - Glossary</LI>
+<LI>B - Coding Requirements</LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 File Management</A></H1>
+<H2><A NAME="3_1">3.1 Directory Structure</A></H2>
+ Each source file shall be placed a sub-directory corresponding to the
+ software sub-system it belongs to (&quot;scheduler&quot;, &quot;cups&quot;, etc.) To remain
+ compatible with older UNIX filesystems, directory names shall not
+ exceed 16 characters in length.
+<H2><A NAME="3_2">3.2 Source Files</A></H2>
+ Source files shall be documented and formatted as described in Appendix
+ B, Coding Requirements.
+<H2><A NAME="3_3">3.3 Configuration Management</A></H2>
+ Source files shall be placed under the control of the Concurrent
+ Versions System (&quot;CVS&quot;) software. Source files shall be &quot;checked in&quot;
+ with each change so that modifications can be tracked.
+<P>Documentation on the CVS software is included with the whitepaper,
+ &quot;CVS II: Parallelizing Software Development&quot;.</P>
+<H1><A NAME="4">4 Trouble Report Processing</A></H1>
+ A Software Trouble Report (&quot;STR&quot;) shall be submitted every time a user
+ or vendor experiences a problem with the CUPS software. Trouble reports
+ are maintained in a database with one of the following states:
+<OL>
+<LI>STR is closed with complete resolution</LI>
+<LI>STR is closed without resolution</LI>
+<LI>STR is active</LI>
+<LI>STR is pending (new STR or additional information available)</LI>
+</OL>
+ Trouble reports shall be processed using the following steps.
+<H2><A NAME="4_1">4.1 Classification</A></H2>
+ When a trouble report is received it must be classified at one of the
+ following levels:
+<OL>
+<LI>Request for enhancement</LI>
+<LI>Documentation error</LI>
+<LI>Unable to print a file</LI>
+<LI>Unable to print to a printer</LI>
+<LI>Unable to print at all</LI>
+</OL>
+ The scope of the problem should also be determined as:
+<OL>
+<LI>Specific to a machine</LI>
+<LI>Specific to an operating system</LI>
+<LI>Applies to all machines and operating systems</LI>
+</OL>
+<H2><A NAME="4_2">4.2 Identification</A></H2>
+ Once the level and scope of the trouble report is determined the
+ software sub-system(s) involved with the problem are determined. This
+ may involve additional communication with the user or vendor to isolate
+ the problem to a specific cause.
+<P>When the sub-system(s) involved have been identified, an engineer
+ will then determine the change(s) needed and estimate the time required
+ for the change(s).</P>
+<H2><A NAME="4_3">4.3 Correction</A></H2>
+ Corrections are scheduled based upon the severity and complexity of the
+ problem. Once all changes have been made, documented, and tested
+ successfully a new software release snapshot is generated. Additional
+ tests are added as necessary for proper testing of the changes.
+<H2><A NAME="4_4">4.4 Notification</A></H2>
+ The user or vendor is notified when the fix is available or if the
+ problem was caused by user error.
+<H1><A NAME="5">5 Software Releases</A></H1>
+<H2><A NAME="5_1">5.1 Version Numbering</A></H2>
+ CUPS uses a three-part version number separated by periods to represent
+ the major, minor, and patch release numbers:
+<UL>
+<PRE>
+major.minor.patch
+1.1.0
+</PRE>
+</UL>
+ Beta-test releases are indentified by appending the letter B followed
+ by the build number:
+<UL>
+<PRE>
+major.minor.patchbbuild
+1.1.0b1
+</PRE>
+</UL>
+ A CVS snapshot is generated for every beta and final release and uses
+ the version number preceded by the letter &quot;v&quot; and with the decimal
+ points replaced by underscores:
+<UL>
+<PRE>
+v1_0_0b1
+v1_0_0
+</PRE>
+</UL>
+ Each change that corrects a fault in a software sub-system increments
+ the patch release number. If a change affects the software design of
+ CUPS then the minor release number will be incremented and the patch
+ release number reset to 0. If CUPS is completely redesigned the major
+ release number will be incremented and the minor and patch release
+ numbers reset to 0:
+<UL>
+<PRE>
+1.1.0b1    First beta release
+1.1.0b2    Second beta release
+1.1.0      First production release
+1.1.1b1    First beta of 1.1.1
+1.1.1      Production release of 1.1.1
+1.1.1b1    First beta of 1.1.1
+1.1.1      Production release of 1.1.1
+2.0.0b1    First beta of 2.0.0
+2.0.0      Production release of 2.0.0
+</PRE>
+</UL>
+<H2><A NAME="5_2">5.2 Generation</A></H2>
+ Software releases shall be generated for each successfully completed
+ software trouble report. All object and executable files shall be
+ deleted prior to performing a full build to ensure that source files
+ are recompiled.
+<H2><A NAME="5_3">5.3 Testing</A></H2>
+ Software testing shall be conducted according to the CUPS Software Test
+ Plan, CUPS-STP-1.1. Failed tests cause STRs to be generated to correct
+ the problems found.
+<H2><A NAME="5_4">5.4 Release</A></H2>
+ When testing has been completed successfully a new distribution image
+ is created from the current CVS code &quot;snapshot&quot;. No production release
+ shall contain software that has not passed the appropriate software
+ tests.
+<H1 TYPE="A" VALUE="1"><A NAME="6">A Glossary</A></H1>
+<H2><A NAME="6_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="6_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+<H1><A NAME="7">B Coding Requirements</A></H1>
+ These coding requirements provide detailed information on source file
+ formatting and documentation content. These guidelines shall be applied
+ to all C and C++ source files provided with CUPS.
+<H2><A NAME="7_1">B.1 Source Files</A></H2>
+<H3><A NAME="7_1_1">B.1.1 Naming</A></H3>
+ All source files names shall be 16 characters or less in length to
+ ensure compatibility with older UNIX filesystems. Source files
+ containing functions shall have an extension of &quot;.c&quot; for ANSI C and
+ &quot;.cxx&quot; for C++ source files. All other &quot;include&quot; files shall have an
+ extension of &quot;.h&quot;.
+<H3><A NAME="7_1_2">B.1.2 Documentation</A></H3>
+ The top of each source file shall contain a header giving the name of
+ the file, the purpose or nature of the source file, the copyright and
+ licensing notice, and the functions contained in the file. The file
+ name and revision information is provided by the CVS &quot;$Id$&quot; tag:
+<UL>
+<PRE>
+/*
+ * &quot;$Id$&quot;
+ *
+ *   Description of file contents.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights
+ *   reserved.
+ *
+ *   These coded instructions, statements, and computer programs are
+ *   the property of Easy Software Products and are protected by
+ *   Federal copyright law.  Distribution and use rights are outlined
+ *   in the file &quot;LICENSE.txt&quot; which should have been included with
+ *   this file.  If this file is missing or damaged please contact
+ *   Easy Software Products at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9600
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   function1() - Description 1.
+ *   function2() - Description 2.
+ *   function3() - Description 3.
+ */
+</PRE>
+</UL>
+ The bottom of each source file shall contain a trailer giving the name
+ of the file using the CVS &quot;$Id$&quot; tag. The primary purpose of this is to
+ mark the end of a source file; if the trailer is missing it is possible
+ that code has been lost near the end of the file:
+<UL>
+<PRE>
+/*
+ * End of &quot;$Id$&quot;.
+ */
+</PRE>
+</UL>
+<H2><A NAME="7_2">B.2 Functions</A></H2>
+<H3><A NAME="7_2_1">B.2.1 Naming</A></H3>
+ Functions with a global scope shall be capitalized (&quot;DoThis&quot;, &quot;DoThat&quot;,
+ &quot;DoSomethingElse&quot;, etc.) The only exception to this rule shall be the
+ CUPS interface library functions which may begin with a prefix word in
+ lowercase (&quot;cupsDoThis&quot;, &quot;cupsDoThat&quot;, etc.)
+<P>Functions with a local scope shall be declared &quot;static&quot; and be
+ lowercase with underscores between words (&quot;do_this&quot;, &quot;do_that&quot;,
+ &quot;do_something_else&quot;, etc.)</P>
+<H3><A NAME="7_2_2">B.2.2 Documentation</A></H3>
+ Each function shall begin with a comment header describing what the
+ function does, the possible input limits (if any), and the possible
+ output values (if any), and any special information needed:
+<UL>
+<PRE>
+/*
+ * 'do_this()' - Compute y = this(x).
+ *
+ * Notes: none.
+ */
+
+static float     /* O - Inverse power value, 0.0 &lt;= y &lt;= 1.1 */
+do_this(float x) /* I - Power value (0.0 &lt;= x &lt;= 1.1) */
+{
+  ...
+  return (y);
+}
+</PRE>
+</UL>
+<H2><A NAME="7_3">B.3 Methods</A></H2>
+<H3><A NAME="7_3_1">B.3.1 Naming</A></H3>
+ Methods shall be in lowercase with underscores between words
+ (&quot;do_this&quot;, &quot;do_that&quot;, &quot;do_something_else&quot;, etc.)
+<H3><A NAME="7_3_2">B.3.2 Documentation</A></H3>
+ Each method shall begin with a comment header describing what the
+ method does, the possible input limits (if any), and the possible
+ output values (if any), and any special information needed:
+<UL>
+<PRE>
+/*
+ * 'class::do_this()' - Compute y = this(x).
+ *
+ * Notes: none.
+ */
+
+float                   /* O - Inverse power value, 0.0 &lt;= y &lt;= 1.0 */
+class::do_this(float x) /* I - Power value (0.0 &lt;= x &lt;= 1.0) */
+{
+  ...
+  return (y);
+}
+</PRE>
+</UL>
+<H2><A NAME="7_4">B.4 Variables</A></H2>
+<H3><A NAME="7_4_1">B.4.1 Naming</A></H3>
+ Variables with a global scope shall be capitalized (&quot;ThisVariable&quot;,
+ &quot;ThatVariable&quot;, &quot;ThisStateVariable&quot;, etc.) The only exception to this
+ rule shall be the CUPS interface library global variables which must
+ begin with the prefix &quot;cups&quot; (&quot;cupsThisVariable&quot;, &quot;cupsThatVariable&quot;,
+ etc.) Global variables shall be replaced by function arguments whenever
+ possible.
+<P>Variables with a local scope shall be lowercase with underscores
+ between words (&quot;this_variable&quot;, &quot;that_variable&quot;, etc.) Any local
+ variables shared by functions within a source file shall be declared
+ &quot;static&quot;.</P>
+<H3><A NAME="7_4_2">B.4.2 Documentation</A></H3>
+ Each variable shall be declared on a separate line and shall be
+ immediately followed by a comment block describing the variable:
+<UL>
+<PRE>
+int this_variable;   /* The current state of this */
+int that_variable;   /* The current state of that */
+</PRE>
+</UL>
+<H2><A NAME="7_5">B.5 Types</A></H2>
+<H3><A NAME="7_5_1">B.5.1 Naming</A></H3>
+ All type names shall be lowercase with underscores between words and
+ &quot;_t&quot; appended to the end of the name (&quot;this_type_t&quot;, &quot;that_type_t&quot;,
+ etc.)
+<H3><A NAME="7_5_2">B.5.2 Documentation</A></H3>
+ Each type shall have a comment block immediately before the typedef:
+<UL>
+<PRE>
+/*
+ * This type is for CUPS foobar options.
+ */
+typedef int cups_this_type_t;
+</PRE>
+</UL>
+<H2><A NAME="7_6">B.6 Structures</A></H2>
+<H3><A NAME="7_6_1">B.6.1 Naming</A></H3>
+ All structure names shall be lowercase with underscores between words
+ and &quot;_str&quot; appended to the end of the name (&quot;this_struct_str&quot;,
+ &quot;that_struct_str&quot;, etc.)
+<H3><A NAME="7_6_2">B.6.2 Documentation</A></H3>
+ Each structure shall have a comment block immediately before the struct
+ and each member shall be documented in accordance with the variable
+ naming policy above:
+<UL>
+<PRE>
+/*
+ * This structure is for CUPS foobar options.
+ */
+struct cups_this_struct_str
+{
+  int this_member;   /* Current state for this */
+  int that_member;   /* Current state for that */
+};
+</PRE>
+</UL>
+<H2><A NAME="7_7">B.7 Classes</A></H2>
+<H3><A NAME="7_7_1">B.7.1 Naming</A></H3>
+ All class names shall be lowercase with underscores between words
+ (&quot;this_class&quot;, &quot;that_class&quot;, etc.)
+<H3><A NAME="7_7_2">B.7.2 Documentation</A></H3>
+ Each class shall have a comment block immediately before the class and
+ each member shall be documented in accordance with the variable naming
+ policy above:
+<UL>
+<PRE>
+/*
+ * This class is for CUPS foobar options.
+ */
+class cups_this_class
+{
+  int this_member;   /* Current state for this */
+  int that_member;   /* Current state for that */
+};
+</PRE>
+</UL>
+<H2><A NAME="7_8">B.8 Constants</A></H2>
+<H3><A NAME="7_8_1">B.8.1 Naming</A></H3>
+ All constant names shall be uppercase with underscored between words
+ (&quot;THIS_CONSTANT&quot;, &quot;THAT_CONSTANT&quot;, etc.) Constants defined for the CUPS
+ interface library must begin with an uppercase prefix
+ (&quot;CUPS_THIS_CONSTANT&quot;, &quot;CUPS_THAT_CONSTANT&quot;, etc.)
+<P>Typed enumerations shall be used whenever possible to allow for type
+ checking by the compiler.</P>
+<H3><A NAME="7_8_2">B.8.2 Documentation</A></H3>
+ Comment blocks shall immediately follow each constant:
+<UL>
+<PRE>
+enum
+{
+  CUPS_THIS_TRAY,   /* This tray */
+  CUPS_THAT_TRAY    /* That tray */
+};
+</PRE>
+</UL>
+<H2><A NAME="7_9">B.9 Code</A></H2>
+<H3><A NAME="7_9_1">B.9.1 Documentation</A></H3>
+ All source code shall utilize block comments within functions to
+ describe the operations being performed by a group of statements:
+<UL>
+<PRE>
+/*
+ * Clear the state array before we begin...
+ */
+
+for (i = 0; i &lt; (sizeof(array) / sizeof(sizeof(array[0])); i ++)
+  array[i] = STATE_IDLE;
+
+/*
+ * Wait for state changes...
+ */
+
+do
+{
+  for (i = 0; i &lt; (sizeof(array) / sizeof(sizeof(array[0])); i ++)
+    if (array[i] != STATE_IDLE)
+      break;
+
+  if (i == (sizeof(array) / sizeof(array[0])))
+    sleep(1);
+} while (i == (sizeof(array) / sizeof(array[0])));
+</PRE>
+</UL>
+<H3><A NAME="7_9_2">B.9.2 Style</A></H3>
+<H4 TYPE="a">B.9.2.a Indentation</H4>
+ All code blocks enclosed by brackets shall begin with the opening brace
+ on a new line. The code then follows starting on a new line after the
+ brace and is indented 2 spaces. The closing brace is then placed on a
+ new line following the code at the original indentation:
+<UL>
+<PRE>
+{
+  int i; /* Looping var */
+
+ /*
+  * Process foobar values from 0 to 999...
+  */
+
+  for (i = 0; i &lt; 1000; i ++)
+  {
+    do_this(i);
+    do_that(i);
+  }
+}
+</PRE>
+</UL>
+ Single-line statements following &quot;do&quot;, &quot;else&quot;, &quot;for&quot;, &quot;if&quot;, and &quot;while&quot;
+ shall be indented 2 spaces as well. Blocks of code in a &quot;switch&quot; block
+ shall be indented 4 spaces after each &quot;case&quot; and &quot;default&quot; case:
+<UL>
+<PRE>
+switch (array[i])
+{
+  case STATE_IDLE :
+      do_this(i);
+      do_that(i);
+      break;
+  default :
+      do_nothing(i);
+      break;
+}
+</PRE>
+</UL>
+<H4>B.9.2.b Spacing</H4>
+ A space shall follow each reserved word (&quot;if&quot;, &quot;while&quot;, etc.) Spaces
+ shall not be inserted between a function name and the arguments in
+ parenthesis.
+<H4>B.9.2.c Return Values</H4>
+ Parenthesis shall surround values returned from a function using
+ &quot;return&quot;:
+<UL>
+<PRE>
+return (STATE_IDLE);
+</PRE>
+</UL>
+<H4>B.9.2.d Loops</H4>
+ Whenever convenient loops should count downward to zero to improve
+ program performance:
+<UL>
+<PRE>
+for (i = sizeof(array) / sizeof(array[0]) - 1; i &gt;= 0; i --)
+  array[i] = STATE_IDLE;
+</PRE>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="8">C Software Trouble Report Form</A></H1>
+<CENTER>
+<TABLE WIDTH="80%">
+<TR><TH ALIGN="RIGHT">Summary of Problem:</TH><TD ALIGN="LEFT">
+________________________________________</TD></TR>
+<TR><TH ALIGN="RIGHT">Problem Severity:</TH><TD ALIGN="LEFT">__1=RFE
+<BR> __2=Documentation-Error
+<BR> __3=Unable-to-Print-a-File
+<BR> __4=Unable-to-Print-to-a-Printer
+<BR> __5=Unable-to-Print-at-All</TD></TR>
+<TR><TH ALIGN="RIGHT">Problem Scope:</TH><TD ALIGN="LEFT">__1=Machine
+ __2=Operating-System __3=All</TD></TR>
+<TR><TH ALIGN="RIGHT" VALIGN="TOP">Detailed Description of Problem:</TH><TD
+ALIGN="LEFT">________________________________________
+<BR> ________________________________________
+<BR> ________________________________________
+<BR> ________________________________________
+<BR> ________________________________________
+<BR> ________________________________________</TD></TR>
+</TABLE>
+</CENTER>
+</BODY>
+</HTML>
diff --git a/doc/cmp.pdf b/doc/cmp.pdf
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--- /dev/null
+++ b/doc/cmp.pdf
diff --git a/doc/cmp.shtml b/doc/cmp.shtml
new file mode 100644
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--- /dev/null
+++ b/doc/cmp.shtml
@@ -0,0 +1,595 @@
+<HTML>
+<HEAD>
+	<META NAME="DOCNUMBER" CONTENT="CUPS-CMP-1.1">
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Configuration Management Plan</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+This configuration management plan document provides the guidelines for
+development and maintenance of the Common UNIX Printing System ("CUPS")
+Version 1.1 software.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+This configuration management document is organized into the following
+sections:
+
+<UL>
+	<LI>1 - Scope</LI>
+	<LI>2 - References</LI>
+	<LI>3 - File Management</LI>
+	<LI>4 - Trouble Report Processing</LI>
+	<LI>5 - Software Releases</LI>
+	<LI>A - Glossary</LI>
+	<LI>B - Coding Requirements</LI>
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>File Management</H1>
+
+<H2>Directory Structure</H2>
+
+Each source file shall be placed a sub-directory corresponding to the software
+sub-system it belongs to ("scheduler", "cups", etc.) To remain compatible
+with older UNIX filesystems, directory names shall not exceed 16 characters
+in length.
+
+<H2>Source Files</H2>
+
+Source files shall be documented and formatted as described in Appendix
+B, Coding Requirements.
+
+<H2>Configuration Management</H2>
+
+Source files shall be placed under the control of the Concurrent Versions
+System ("CVS") software. Source files shall be "checked in" with each change
+so that modifications can be tracked.
+
+<P>Documentation on the CVS software is included with the whitepaper, "CVS
+II: Parallelizing Software Development".
+
+<H1>Trouble Report Processing</H1>
+
+A Software Trouble Report ("STR") shall be submitted every time a user
+or vendor experiences a problem with the CUPS software. Trouble reports
+are maintained in a database with one of the following states:
+
+<OL>
+	<LI>STR is closed with complete resolution</LI>
+	<LI>STR is closed without resolution</LI>
+	<LI>STR is active</LI>
+	<LI>STR is pending (new STR or additional information available)</LI>
+</OL>
+
+Trouble reports shall be processed using the following steps.
+
+<H2>Classification</H2>
+
+When a trouble report is received it must be classified at one of the following
+levels:
+
+<OL>
+	<LI>Request for enhancement</LI>
+	<LI>Documentation error</LI>
+	<LI>Unable to print a file</LI>
+	<LI>Unable to print to a printer</LI>
+	<LI>Unable to print at all</LI>
+</OL>
+
+The scope of the problem should also be determined as:
+
+<OL>
+	<LI>Specific to a machine</LI>
+	<LI>Specific to an operating system</LI>
+	<LI>Applies to all machines and operating systems</LI>
+</OL>
+
+<H2>Identification</H2>
+
+Once the level and scope of the trouble report is determined the software
+sub-system(s) involved with the problem are determined. This may involve
+additional communication with the user or vendor to isolate the problem
+to a specific cause.
+
+<P>When the sub-system(s) involved have been identified, an engineer will
+then determine the change(s) needed and estimate the time required for
+the change(s).
+
+<H2>Correction</H2>
+
+Corrections are scheduled based upon the severity and complexity of the
+problem. Once all changes have been made, documented, and tested successfully
+a new software release snapshot is generated. Additional tests are added
+as necessary for proper testing of the changes.
+
+<H2>Notification</H2>
+
+The user or vendor is notified when the fix is available or if the problem
+was caused by user error.
+
+<H1>Software Releases</H1>
+
+<H2>Version Numbering</H2>
+
+CUPS uses a three-part version number separated by periods to represent
+the major, minor, and patch release numbers:
+
+<UL>
+<PRE>
+major.minor.patch
+1.1.0
+</PRE>
+</UL>
+
+Beta-test releases are indentified by appending the letter B followed by
+the build number:
+
+<UL>
+<PRE>
+major.minor.patchbbuild
+1.1.0b1
+</PRE>
+</UL>
+
+A CVS snapshot is generated for every beta and final release and uses
+the version number preceded by the letter "v" and with the decimal
+points replaced by underscores:
+
+<UL>
+<PRE>
+v1_0_0b1
+v1_0_0
+</PRE>
+</UL>
+
+Each change that corrects a fault in a software sub-system increments the
+patch release number. If a change affects the software design of CUPS then
+the minor release number will be incremented and the patch release number
+reset to 0. If CUPS is completely redesigned the major release number will
+be incremented and the minor and patch release numbers reset to 0:
+
+<UL>
+<PRE>
+1.1.0b1    First beta release
+1.1.0b2    Second beta release
+1.1.0      First production release
+1.1.1b1    First beta of 1.1.1
+1.1.1      Production release of 1.1.1
+1.1.1b1    First beta of 1.1.1
+1.1.1      Production release of 1.1.1
+2.0.0b1    First beta of 2.0.0
+2.0.0      Production release of 2.0.0
+</PRE>
+</UL>
+
+<H2>Generation</H2>
+
+Software releases shall be generated for each successfully completed software
+trouble report. All object and executable files shall be deleted prior
+to performing a full build to ensure that source files are recompiled.
+
+<H2>Testing</H2>
+
+Software testing shall be conducted according to the CUPS Software Test
+Plan, CUPS-STP-1.1. Failed tests cause STRs to be generated to correct
+the problems found.
+
+<H2>Release</H2>
+
+When testing has been completed successfully a new distribution image is
+created from the current CVS code "snapshot". No production release shall
+contain software that has not passed the appropriate software tests.
+
+<EMBED SRC="glossary.shtml">
+
+<H1>Coding Requirements</H1>
+
+These coding requirements provide detailed information on source file
+formatting and documentation content. These guidelines shall be applied
+to all C and C++ source files provided with CUPS.
+
+<H2>Source Files</H2>
+
+<H3>Naming</H3>
+
+All source files names shall be 16 characters or less in length to
+ensure compatibility with older UNIX filesystems. Source files
+containing functions shall have an extension of ".c" for ANSI C and
+".cxx" for C++ source files. All other "include" files shall have an
+extension of ".h".
+
+<H3>Documentation</H3>
+
+The top of each source file shall contain a header giving the name of the
+file, the purpose or nature of the source file, the copyright and licensing
+notice, and the functions contained in the file.  The file name and revision
+information is provided by the CVS "&#36;Id$" tag:
+
+<UL>
+<PRE>
+/*
+ * "&#36;Id$"
+ *
+ *   Description of file contents.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights
+ *   reserved.
+ *
+ *   These coded instructions, statements, and computer programs are
+ *   the property of Easy Software Products and are protected by
+ *   Federal copyright law.  Distribution and use rights are outlined
+ *   in the file "LICENSE.txt" which should have been included with
+ *   this file.  If this file is missing or damaged please contact
+ *   Easy Software Products at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9600
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   function1() - Description 1.
+ *   function2() - Description 2.
+ *   function3() - Description 3.
+ */
+</PRE>
+</UL>
+
+The bottom of each source file shall contain a trailer giving the name
+of the file using the CVS "&#36;Id$" tag. The primary purpose of this is to
+mark the end of a source file; if the trailer is missing it is possible
+that code has been lost near the end of the file:
+
+<UL>
+<PRE>
+/*
+ * End of "&#36;Id$".
+ */
+</PRE>
+</UL>
+
+<H2>Functions</H2>
+
+<H3>Naming</H3>
+
+Functions with a global scope shall be capitalized ("DoThis", "DoThat",
+"DoSomethingElse", etc.) The only exception to this rule shall be the
+CUPS interface library functions which may begin with a prefix word in
+lowercase ("cupsDoThis", "cupsDoThat", etc.)
+
+<P>Functions with a local scope shall be declared "static" and be lowercase
+with underscores between words ("do_this", "do_that", "do_something_else",
+etc.)
+
+<H3>Documentation</H3>
+
+Each function shall begin with a comment header describing what the function
+does, the possible input limits (if any), and the possible output values
+(if any), and any special information needed:
+
+<UL>
+<PRE>
+/*
+ * 'do_this()' - Compute y = this(x).
+ *
+ * Notes: none.
+ */
+
+static float     /* O - Inverse power value, 0.0 &lt;= y &lt;= 1.1 */
+do_this(float x) /* I - Power value (0.0 &lt;= x &lt;= 1.1) */
+{
+  ...
+  return (y);
+}
+</PRE>
+</UL>
+
+<H2>Methods</H2>
+
+<H3>Naming</H3>
+
+Methods shall be in lowercase with underscores between words ("do_this",
+"do_that", "do_something_else", etc.)
+
+<H3>Documentation</H3>
+
+Each method shall begin with a comment header describing what the method
+does, the possible input limits (if any), and the possible output values
+(if any), and any special information needed:
+
+<UL>
+<PRE>
+/*
+ * 'class::do_this()' - Compute y = this(x).
+ *
+ * Notes: none.
+ */
+
+float                   /* O - Inverse power value, 0.0 &lt;= y &lt;= 1.0 */
+class::do_this(float x) /* I - Power value (0.0 &lt;= x &lt;= 1.0) */
+{
+  ...
+  return (y);
+}
+</PRE>
+</UL>
+
+<H2>Variables</H2>
+
+<H3>Naming</H3>
+
+Variables with a global scope shall be capitalized ("ThisVariable",
+"ThatVariable", "ThisStateVariable", etc.) The only exception to this
+rule shall be the CUPS interface library global variables which must
+begin with the prefix "cups" ("cupsThisVariable", "cupsThatVariable",
+etc.) Global variables shall be replaced by function arguments whenever
+possible.
+
+<P>Variables with a local scope shall be lowercase with underscores between
+words ("this_variable", "that_variable", etc.) Any local variables shared
+by functions within a source file shall be declared "static".
+
+<H3>Documentation</H3>
+
+Each variable shall be declared on a separate line and shall be immediately
+followed by a comment block describing the variable:
+
+<UL><PRE>
+int this_variable;   /* The current state of this */
+int that_variable;   /* The current state of that */
+</PRE></UL>
+
+<H2>Types</H2>
+
+<H3>Naming</H3>
+
+All type names shall be lowercase with underscores between words and
+"_t" appended to the end of the name ("this_type_t", "that_type_t",
+etc.)
+
+<H3>Documentation</H3>
+
+Each type shall have a comment block immediately before the typedef:
+
+<UL>
+<PRE>
+/*
+ * This type is for CUPS foobar options.
+ */
+typedef int cups_this_type_t;
+</PRE>
+</UL>
+
+<H2>Structures</H2>
+
+<H3>Naming</H3>
+
+All structure names shall be lowercase with underscores between words and
+"_str" appended to the end of the name ("this_struct_str", "that_struct_str",
+etc.)
+
+<H3>Documentation</H3>
+
+Each structure shall have a comment block immediately before the struct
+and each member shall be documented in accordance with the variable naming
+policy above:
+
+<UL>
+<PRE>
+/*
+ * This structure is for CUPS foobar options.
+ */
+struct cups_this_struct_str
+{
+  int this_member;   /* Current state for this */
+  int that_member;   /* Current state for that */
+};
+</PRE>
+</UL>
+
+<H2>Classes</H2>
+
+<H3>Naming</H3>
+
+All class names shall be lowercase with underscores between words
+("this_class", "that_class", etc.)
+
+<H3>Documentation</H3>
+
+Each class shall have a comment block immediately before the class
+and each member shall be documented in accordance with the variable naming
+policy above:
+
+<UL>
+<PRE>
+/*
+ * This class is for CUPS foobar options.
+ */
+class cups_this_class
+{
+  int this_member;   /* Current state for this */
+  int that_member;   /* Current state for that */
+};
+</PRE>
+</UL>
+
+<H2>Constants</H2>
+
+<H3>Naming</H3>
+
+All constant names shall be uppercase with underscored between words
+("THIS_CONSTANT", "THAT_CONSTANT", etc.) Constants defined for the CUPS
+interface library must begin with an uppercase prefix
+("CUPS_THIS_CONSTANT", "CUPS_THAT_CONSTANT", etc.)
+
+<P>Typed enumerations shall be used whenever possible to allow for type
+checking by the compiler.
+
+<H3>Documentation</H3>
+
+Comment blocks shall immediately follow each constant:
+
+<UL>
+<PRE>
+enum
+{
+  CUPS_THIS_TRAY,   /* This tray */
+  CUPS_THAT_TRAY    /* That tray */
+};
+</PRE>
+</UL>
+
+<H2>Code</H2>
+
+<H3>Documentation</H3>
+
+All source code shall utilize block comments within functions to describe
+the operations being performed by a group of statements:
+
+<UL>
+<PRE>
+/*
+ * Clear the state array before we begin...
+ */
+
+for (i = 0; i &lt; (sizeof(array) / sizeof(sizeof(array[0])); i ++)
+  array[i] = STATE_IDLE;
+
+/*
+ * Wait for state changes...
+ */
+
+do
+{
+  for (i = 0; i &lt; (sizeof(array) / sizeof(sizeof(array[0])); i ++)
+    if (array[i] != STATE_IDLE)
+      break;
+
+  if (i == (sizeof(array) / sizeof(array[0])))
+    sleep(1);
+} while (i == (sizeof(array) / sizeof(array[0])));
+</PRE>
+</UL>
+
+<H3>Style</H3>
+
+<H4 TYPE="a">Indentation</H4>
+
+All code blocks enclosed by brackets shall begin with the opening brace
+on a new line. The code then follows starting on a new line after the brace
+and is indented 2 spaces. The closing brace is then placed on a new line
+following the code at the original indentation:
+
+<UL>
+<PRE>
+{
+  int i; /* Looping var */
+
+ /*
+  * Process foobar values from 0 to 999...
+  */
+
+  for (i = 0; i &lt; 1000; i ++)
+  {
+    do_this(i);
+    do_that(i);
+  }
+}
+</PRE>
+</UL>
+
+Single-line statements following "do", "else", "for", "if", and "while"
+shall be indented 2 spaces as well. Blocks of code in a "switch" block
+shall be indented 4 spaces after each "case" and "default" case:
+
+<UL>
+<PRE>
+switch (array[i])
+{
+  case STATE_IDLE :
+      do_this(i);
+      do_that(i);
+      break;
+  default :
+      do_nothing(i);
+      break;
+}
+</PRE>
+</UL>
+
+<H4>Spacing</H4>
+
+A space shall follow each reserved word ("if", "while", etc.) Spaces shall
+not be inserted between a function name and the arguments in parenthesis.
+
+<H4>Return Values</H4>
+
+Parenthesis shall surround values returned from a function using "return":
+
+<UL>
+<PRE>
+return (STATE_IDLE);
+</PRE>
+</UL>
+
+<H4>Loops</H4>
+
+Whenever convenient loops should count downward to zero to improve program
+performance:
+
+<UL>
+<PRE>
+for (i = sizeof(array) / sizeof(array[0]) - 1; i >= 0; i --)
+  array[i] = STATE_IDLE;
+</PRE>
+</UL>
+
+<H1 ALIGN=RIGHT>Software Trouble Report Form</H1>
+
+<CENTER><TABLE WIDTH="80%">
+<TR>
+	<TH ALIGN=RIGHT>Summary of Problem:</TH>
+	<TD ALIGN=LEFT>________________________________________</TD>
+</TR>
+
+<TR>
+	<TH ALIGN=RIGHT>Problem Severity:</TH>
+	<TD ALIGN=LEFT>__1=RFE
+	<BR>__2=Documentation-Error
+	<BR>__3=Unable-to-Print-a-File
+	<BR>__4=Unable-to-Print-to-a-Printer
+	<BR>__5=Unable-to-Print-at-All</TD>
+</TR>
+
+<TR>
+	<TH ALIGN=RIGHT>Problem Scope:</TH>
+	<TD ALIGN=LEFT>__1=Machine __2=Operating-System __3=All</TD>
+</TR>
+
+<TR>
+	<TH ALIGN=RIGHT VALIGN=TOP>Detailed Description of Problem:</TH>
+	<TD ALIGN=LEFT>________________________________________ 
+	<BR>________________________________________ 
+	<BR>________________________________________ 
+	<BR>________________________________________ 
+	<BR>________________________________________ 
+	<BR>________________________________________</TD>
+</TR>
+</TABLE></CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/cups.css b/doc/cups.css
new file mode 100644
index 000000000..9285a5b5e
--- /dev/null
+++ b/doc/cups.css
@@ -0,0 +1,4 @@
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+TH { text-align: left }
+
diff --git a/doc/cupsdoc.css b/doc/cupsdoc.css
new file mode 100644
index 000000000..333f20144
--- /dev/null
+++ b/doc/cupsdoc.css
@@ -0,0 +1,9 @@
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUP { font-family: sans-serif; font-size: 6pt }
+PRE { margin-left: 2em }
+CODE { font-weight: bold }
diff --git a/doc/documentation.html b/doc/documentation.html
new file mode 100644
index 000000000..02926cbf1
--- /dev/null
+++ b/doc/documentation.html
@@ -0,0 +1,81 @@
+<HTML>
+<HEAD>
+	<TITLE>Documentation - Common UNIX Printing System</TITLE>
+	<LINK REL=STYLESHEET TYPE="text/css" HREF="cups.css">
+	<MAP NAME="navbar">
+		<AREA SHAPE="RECT" COORDS="12,10,50,20" HREF="http://www.easysw.com" ALT="Easy Software Products Home Page">
+		<AREA SHAPE="RECT" COORDS="82,10,196,20" HREF="/admin" ALT="Do Administration Tasks">
+		<AREA SHAPE="RECT" COORDS="216,10,280,20" HREF="/classes" ALT="Manage Printer Classes Status">
+		<AREA SHAPE="RECT" COORDS="300,10,336,20" HREF="/documentation.html" ALT="On-Line Help">
+		<AREA SHAPE="RECT" COORDS="356,10,394,20" HREF="/jobs" ALT="Manage Jobs">
+		<AREA SHAPE="RECT" COORDS="414,10,476,20" HREF="/printers" ALT="Manage Printers">
+		<AREA SHAPE="RECT" COORDS="496,10,568,20" HREF="http://www.cups.org" ALT="Download the Current CUPS Software">
+        </MAP>
+</HEAD>
+
+<BODY BGCOLOR="#cccc99" TEXT="#000000" LINK="#0000FF" VLINK="#FF00FF">
+<CENTER>
+<IMG SRC="/images/navbar.gif" WIDTH="583" HEIGHT="30" USEMAP="#navbar" BORDER="0" ALT="Common UNIX Printing System">
+</CENTER>
+
+<H1>Documentation</H1>
+
+The following documentation for CUPS is available on this server:
+
+<UL>
+
+	<LI>Whitepaper - An Overview of the Common UNIX Printing System (
+	<A HREF="overview.html">HTML</A> |
+	<A HREF="overview.pdf">PDF</A> )
+
+	<LI>Software Users Manual (
+	<A HREF="sum.html">HTML</A> |
+	<A HREF="sum.pdf">PDF</A> )
+
+	<LI>Software Administrators Manual (
+	<A HREF="sam.html">HTML</A> |
+	<A HREF="sam.pdf">PDF</A> )
+
+	<LI>Software Programmers Manual (
+	<A HREF="spm.html">HTML</A> |
+	<A HREF="spm.pdf">PDF</A> )
+
+	<LI>Configuration Management Plan (
+	<A HREF="cmp.html">HTML</A> |
+	<A HREF="cmp.pdf">PDF</A> )
+
+	<LI>CUPS Implementation of IPP (
+	<A HREF="ipp.html">HTML</A> |
+	<A HREF="ipp.pdf">PDF</A> )
+
+	<LI>Interface Design Description (
+	<A HREF="idd.html">HTML</A> |
+	<A HREF="idd.pdf">PDF</A> )
+
+	<LI>Software Design Description (
+	<A HREF="sdd.html">HTML</A> |
+	<A HREF="sdd.pdf">PDF</A> )
+
+	<LI>Software Performance Specification (
+	<A HREF="sps.html">HTML</A> |
+	<A HREF="sps.pdf">PDF</A> )
+
+	<LI>Software Version Description (
+	<A HREF="svd.html">HTML</A> |
+	<A HREF="svd.pdf">PDF</A> )
+
+	<LI>Software Security Report (
+	<A HREF="ssr.html">HTML</A> |
+	<A HREF="ssr.pdf">PDF</A> )
+
+</UL>
+
+<HR>
+
+<P>The Common UNIX Printing System, CUPS, and the CUPS logo are the
+trademark property of <A HREF="http://www.easysw.com">Easy Software
+Products</A>. CUPS is copyright 1997-2002 by Easy Software Products,
+All Rights Reserved.
+
+</BODY>
+</HTML>
diff --git a/doc/figures.sc b/doc/figures.sc
new file mode 100644
index 000000000..f51e814a6
--- /dev/null
+++ b/doc/figures.sc
diff --git a/doc/glossary.shtml b/doc/glossary.shtml
new file mode 100644
index 000000000..2cc0c1c89
--- /dev/null
+++ b/doc/glossary.shtml
@@ -0,0 +1,73 @@
+<H1 TYPE="A" VALUE="1">Glossary</H1>
+
+<H2>Terms</H2>
+
+<DL>
+
+	<DT>C
+	<DD>A computer language.
+
+	<DT>parallel
+	<DD>Sending or receiving data more than 1 bit at a time.
+
+	<DT>pipe
+	<DD>A one-way communications channel between two programs.
+
+	<DT>serial
+	<DD>Sending or receiving data 1 bit at a time.
+
+	<DT>socket
+	<DD>A two-way network communications channel.
+
+</DL>
+
+<H2>Acronyms</H2>
+
+<DL>
+
+	<DT>ASCII
+	<DD>American Standard Code for Information Interchange
+
+	<DT>CUPS
+	<DD>Common UNIX Printing System
+
+	<DT>ESC/P
+	<DD>EPSON Standard Code for Printers
+
+	<DT>FTP
+	<DD>File Transfer Protocol
+
+	<DT>HP-GL
+	<DD>Hewlett-Packard Graphics Language
+
+	<DT>HP-PCL
+	<DD>Hewlett-Packard Page Control Language
+
+	<DT>HP-PJL
+	<DD>Hewlett-Packard Printer Job Language
+
+	<DT>IETF
+	<DD>Internet Engineering Task Force
+
+	<DT>IPP
+	<DD>Internet Printing Protocol
+
+	<DT>ISO
+	<DD>International Standards Organization
+
+	<DT>LPD
+	<DD>Line Printer Daemon
+
+	<DT>MIME
+	<DD>Multimedia Internet Mail Exchange
+
+	<DT>PPD
+	<DD>PostScript Printer Description
+
+	<DT>SMB
+	<DD>Server Message Block
+
+	<DT>TFTP
+	<DD>Trivial File Transfer Protocol
+
+</DL>
diff --git a/doc/idd.html b/doc/idd.html
new file mode 100644
index 000000000..12f7e46fb
--- /dev/null
+++ b/doc/idd.html
@@ -0,0 +1,1083 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Interface Design Description</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-IDD-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Interface Design Description</H1></A><BR>
+CUPS-IDD-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Internal Interfaces</A></B>
+<UL>
+<LI><A HREF="#3_1">3.1 Character Set Files</A></LI>
+<UL>
+<LI><A HREF="#3_1_1">3.1.1 8-Bit Character Set Files</A></LI>
+<LI><A HREF="#3_1_2">3.1.2 Unicode Character Set Files</A></LI>
+</UL>
+<LI><A HREF="#3_2">3.2 Language Files</A></LI>
+<LI><A HREF="#3_3">3.3 MIME Files</A></LI>
+<UL>
+<LI><A HREF="#3_3_1">3.3.1 mime.types</A></LI>
+<LI><A HREF="#3_3_2">3.3.2 mime.convs</A></LI>
+</UL>
+<LI><A HREF="#3_4">3.4 Option Files</A></LI>
+<LI><A HREF="#3_5">3.5 PostScript Printer Description Files</A></LI>
+<UL>
+<LI><A HREF="#3_5_1">3.5.1 PPD Specification</A></LI>
+<LI><A HREF="#3_5_2">3.5.2 CUPS Extensions to PPD Files</A></LI>
+</UL>
+<LI><A HREF="#3_6">3.6 Scheduler Configuration Files</A></LI>
+<UL>
+<LI><A HREF="#3_6_1">3.6.1 classes.conf</A></LI>
+<LI><A HREF="#3_6_2">3.6.2 cupsd.conf</A></LI>
+<LI><A HREF="#3_6_3">3.6.3 printers.conf</A></LI>
+</UL>
+</UL>
+<B><A HREF="#4">4 External Interfaces</A></B>
+<UL>
+<LI><A HREF="#4_1">4.1 AppSocket Protocol</A></LI>
+<LI><A HREF="#4_2">4.2 CUPS Browsing Protocol</A></LI>
+<LI><A HREF="#4_3">4.3 CUPS Form File</A></LI>
+<UL>
+<LI><A HREF="#4_3_1">4.3.1 CUPS Form DTD</A></LI>
+</UL>
+<LI><A HREF="#4_4">4.4 CUPS PostScript File</A></LI>
+<LI><A HREF="#4_5">4.5 CUPS Raster File</A></LI>
+<LI><A HREF="#4_6">4.6 CUPS Raw Files</A></LI>
+<LI><A HREF="#4_7">4.7 Internet Printing Protocol</A></LI>
+<LI><A HREF="#4_8">4.8 Line Printer Daemon Protocol</A></LI>
+<LI><A HREF="#4_9">4.9 Server Message Block Protocol</A></LI>
+</UL>
+<B><A HREF="#5">5 Directories</A></B>
+<BR>
+<BR><B><A HREF="#6">A Glossary</A></B>
+<UL>
+<LI><A HREF="#6_1">A.1 Terms</A></LI>
+<LI><A HREF="#6_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+<P>This interface design description document provides detailed file
+ formats, message formats, and program conventions for the Common UNIX
+ Printing System (&quot;CUPS&quot;) Version 1.1.</P>
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+<P>This interface design description document is organized into the
+ following sections:</P>
+<UL>
+<LI>1 - Scope</LI>
+<LI>2 - References</LI>
+<LI>3 - Internal Interfaces</LI>
+<LI>4 - External Interfaces</LI>
+<LI>5 - Directories</LI>
+<LI>A - Glossary</LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Internal Interfaces</A></H1>
+<H2><A NAME="3_1">3.1 Character Set Files</A></H2>
+<P>The character set files define a mapping between 8-bit characters and
+ the Unicode character set, or between Unicode and printer fonts. They
+ are named using the IETF charset names defined in RFCnnnn. These files
+ are ASCII text, the content of which is described below. Comments can
+ be included by using the <TT>#</TT> character in the first column of a
+ line.</P>
+<H3><A NAME="3_1_1">3.1.1 8-Bit Character Set Files</A></H3>
+<P>8-bit character set files start with a line reading:</P>
+<UL>
+<PRE>
+charset 8bit
+</PRE>
+</UL>
+<P>Following this are lines that define the font information:</P>
+<UL>
+<PRE>
+first last direction width normal bold italic bold-italic
+</PRE>
+</UL>
+<P><VAR>First</VAR> and<VAR> last</VAR> are the first and last glyphs in
+ the font mapping that correspond to that font; a maximum of 256
+ characters can be mapped within each group, with a maximum of 256
+ mappings (this is a PostScript limitation.) The glyph values are
+ hexadecimal.</P>
+<P><VAR>Direction</VAR> is the string &quot;ltor&quot;, &quot;rtol&quot;, or &quot;rtola&quot;
+ indicating left-to-right, right-to-left, or right-to-left Arabic text.</P>
+<P><VAR>Width</VAR> is the string &quot;single&quot; or &quot;double&quot;; double means
+ that the glyphs are twice as wide as ASCII characters in the Courier
+ typeface.</P>
+<P><VAR>Normal, bold, italic</VAR>, and<VAR> bold-italic</VAR> are the
+ typefaces to use for each presentation. If characters are only
+ available in a single style then only one typeface should be listed
+ (e.g. &quot;Symbol&quot;.) Each font that is listed will be used (and downloaded
+ if needed) when printing.</P>
+<P>The remaining lines define a character to Unicode glyph mapping for
+ the character set. The character and glyph values are hexadecimal:</P>
+<UL>
+<PRE>
+xx yyyy
+</PRE>
+</UL>
+<H3><A NAME="3_1_2">3.1.2 Unicode Character Set Files</A></H3>
+<P>Unicode character set files start with a line reading:</P>
+<UL>
+<PRE>
+charset encoding
+</PRE>
+</UL>
+<P><VAR>Encoding</VAR> is the encoding to use for the text; currently
+ only the string &quot;utf8&quot; is supported.</P>
+<P>Following this are lines defining the font information:</P>
+<UL>
+<PRE>
+first last direction width normal bold italic bold-italic
+</PRE>
+</UL>
+<P><VAR>First</VAR> and<VAR> last</VAR> are the first and last glyphs in
+ the font mapping that correspond to that font; a maximum of 256
+ characters can be mapped within each group, with a maximum of 256
+ mappings (this is a PostScript limitation.) The glyph values are
+ hexadecimal.</P>
+<P><VAR>Direction</VAR> is the string &quot;ltor&quot;, &quot;rtol&quot;, or &quot;rtola&quot;
+ indicating left-to-right, right-to-left, or right-to-left Arabic text.</P>
+<P><VAR>Width</VAR> is the string &quot;single&quot; or &quot;double&quot;; double means
+ that the glyphs are twice as wide as ASCII characters in the Courier
+ typeface.</P>
+<P><VAR>Normal, bold, italic</VAR>, and<VAR> bold-italic</VAR> are the
+ typefaces to use for each presentation. If characters are only
+ available in a single style then only one typeface should be listed
+ (e.g. &quot;Symbol&quot;.) Each font that is listed will be used (and downloaded
+ if needed) when printing.</P>
+<H2><A NAME="3_2">3.2 Language Files</A></H2>
+<P>The language files define the default character set and a collection
+ of text messages in that language. They are named by prefixing the
+ string &quot;cups_&quot; to the front of the language specifier (e.g. &quot;cups_en&quot;,
+ &quot;cups_fr&quot;, etc.) Each file consists of two or more lines of ASCII text.</P>
+<P>The first line identifies the character set to be used for the
+ messages. The currently recognized values are:</P>
+<UL>
+<LI>iso-8859-1</LI>
+<LI>iso-8859-2</LI>
+<LI>iso-8859-3</LI>
+<LI>iso-8859-4</LI>
+<LI>iso-8859-5</LI>
+<LI>iso-8859-6</LI>
+<LI>iso-8859-7</LI>
+<LI>iso-8859-8</LI>
+<LI>iso-8859-9</LI>
+<LI>iso-8859-10</LI>
+<LI>iso-8859-13</LI>
+<LI>iso-8859-14</LI>
+<LI>iso-8859-15</LI>
+<LI>us-ascii</LI>
+<LI>utf-8</LI>
+<LI>windows-874</LI>
+<LI>windows-1250</LI>
+<LI>windows-1251</LI>
+<LI>windows-1252</LI>
+<LI>windows-1253</LI>
+<LI>windows-1254</LI>
+<LI>windows-1255</LI>
+<LI>windows-1256</LI>
+<LI>windows-1257</LI>
+<LI>windows-1258</LI>
+<LI>koi8-r</LI>
+<LI>koi8-u</LI>
+</UL>
+<P>The second and succeeding lines define text messages. If the message
+ text is preceded by a number, then the current message number is
+ updated and the text after the number is used.</P>
+<H2><A NAME="3_3">3.3 MIME Files</A></H2>
+<P>CUPS uses two MIME files in its standard configuration.</P>
+<H3><A NAME="3_3_1">3.3.1 mime.types</A></H3>
+<P>The mime.types file defines the recognized file types and consists of
+ 1 or more lines of ASCII text. Comment lines start with the pound (&quot;#&quot;)
+ character. The backslash (&quot;\&quot;) character can be used at the end of a
+ line to continue that line to the next.</P>
+<P>Each non-blank line starts with a MIME type identifier (&quot;super/type&quot;)
+ as registered with the IANA. All text following the MIME type is
+ treated as a series of type recognition rules:</P>
+<UL>
+<PRE>
+mime-type := super &quot;/&quot; type { SP rule }*
+super := { &quot;a-z&quot; | &quot;A-Z&quot; }*
+type := { &quot;a-z&quot; | &quot;A-Z&quot; | &quot;-&quot; | &quot;.&quot; | &quot;0-9&quot; }*
+rule := { extension | match | operator | &quot;(&quot; rule &quot;)&quot; }*
+extension := { &quot;a-z&quot; | &quot;A-Z&quot; | &quot;0-9&quot; }*
+match := &quot;match(&quot; regexp &quot;)&quot; |
+         &quot;ascii(&quot; offset &quot;,&quot; length &quot;)&quot; |
+	 &quot;printable(&quot; offset &quot;,&quot; length &quot;)&quot; |
+	 &quot;string(&quot; offset &quot;,&quot; string &quot;)&quot; |
+	 &quot;contains(&quot; offset &quot;,&quot; length &quot;,&quot; string &quot;)&quot; |
+	 &quot;char(&quot; offset &quot;,&quot; value &quot;)&quot; |
+	 &quot;short(&quot; offset &quot;,&quot; value &quot;)&quot; |
+	 &quot;int(&quot; offset &quot;,&quot; value &quot;)&quot; |
+	 &quot;locale(&quot; string &quot;)&quot;
+operator := &quot;+&quot; |	[ logical AND ]
+            &quot;,&quot; | SP    [ logical OR ]
+	    &quot;!&quot;         [ unary NOT ]
+</PRE>
+</UL>
+<P>The <CODE>int</CODE> and <CODE>short</CODE> rules match look for
+ integers in network byte order (a.k.a. big-endian) with the
+ most-significant byte first.</P>
+<H3><A NAME="3_3_2">3.3.2 mime.convs</A></H3>
+<P>The mime.types file defines the recognized file filters and consists
+ of 1 or more lines of ASCII text. Comment lines start with the pound
+ (&quot;#&quot;) character.</P>
+<P>Each non-blank line starts with two MIME type identifiers
+ (&quot;super/type&quot;) representing the source and destination types. Following
+ the MIME types are a cost value (0 to 100) and the filter program to
+ use. If the filter program is not specified using the full path then it
+ must reside in the CUPS filter directory:</P>
+<UL>
+<PRE>
+super/type SP super/type2 SP cost SP program
+</PRE>
+</UL>
+<H2><A NAME="3_4">3.4 Option Files</A></H2>
+<P>CUPS maintains user-defined printer and option files for each printer
+ and user on the system. The printers and options defined in the system
+ option file (<CODE>/etc/cups/lpoptions</CODE>) are loaded first,
+ followed by the user option file (<CODE>$HOME/.lpoptions</CODE>).
+ Options in the user file replace those defined in the system file for
+ the same destination. Each line in the files can be one of the
+ following:</P>
+<UL>
+<PRE>
+Dest name option=value option=value ... option=value
+Dest name/instance option=value option=value ... option=value
+Default name option=value option=value ... option=value
+Default name/instance option=value option=value ... option=value
+</PRE>
+</UL>
+<P>The line beginning with &quot;Default&quot; indicates the default destination
+ for print jobs; a default line in the user option file overrides the
+ default defined in the system option file.</P>
+<P><VAR>Name</VAR> is the name of a printer known to the local server.</P>
+<P><VAR>Instance</VAR> can be any string of letters, numbers, and the
+ underscore up to 127 characters in length.</P>
+<P>The remainder of the line contains a list of space-separated options
+ and their values.</P>
+<H2><A NAME="3_5">3.5 PostScript Printer Description Files</A></H2>
+<P>PostScript Printer Description (&quot;PPD&quot;) files describe the
+ capabilities of each printer and are used by CUPS to support
+ printer-specific features and intelligent filtering.</P>
+<H3><A NAME="3_5_1">3.5.1 PPD Specification</A></H3>
+<P>The PPD file format is described in<A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+ Adobe TechNote #5003: PostScript Printer Description File Format
+ Specification Version 4.3</A>.</P>
+<H3><A NAME="3_5_2">3.5.2 CUPS Extensions to PPD Files</A></H3>
+<P>CUPS adds several new attributes that are described below.</P>
+<H4>3.5.2.1 cupsFilter</H4>
+<P>This string attribute provides a conversion rule of the form:</P>
+<UL>
+<PRE>
+source/type cost program
+</PRE>
+</UL>
+<P>The destination type is assumed to the printer's type. If a printer
+ supports the source type directly the special filter program &quot;-&quot; may be
+ specified.</P>
+<H4>3.5.2.2 cupsManualCopies</H4>
+<P>This boolean attribute notifies the RIP filters that the destination
+ printer does not support copy generation in hardware. The default value
+ is false.</P>
+<H4>3.5.2.3 cupsModelNumber</H4>
+<P>This integer attribute specifies a printer-specific model number.
+ This number can be used by a filter program to adjust the output for a
+ specific model of printer.</P>
+<H4>3.5.2.4 cupsProfile</H4>
+<P>This string attribute specifies a color profile of the form:</P>
+<UL>
+<PRE>
+resolution/type density gamma m00 m01 m02 m10 m11 m12 m20 m21 m22
+</PRE>
+</UL>
+<P>The<I> resolution</I> and<I> type</I> values may be &quot;-&quot; to act as a
+ wildcard. Otherwise they must match one of the <CODE>Resolution</CODE>
+ or <CODE>MediaType</CODE> attributes defined in the PPD file.</P>
+<P>The<I> density</I> and<I> gamma</I> values define gamma and density
+ adjustment function such that:</P>
+<UL>
+<PRE>
+f(x) = density * x<SUP>gamma</SUP>
+</PRE>
+</UL>
+<P>The<I> m00</I> through<I> m22</I> values define a 3x3 transformation
+ matrix for the CMY color values. The density function is applied<I>
+ after</I> the CMY transformation.</P>
+<H4>3.5.2.5 cupsVersion</H4>
+<P>This required attribute describes which version of the CUPS IDD was
+ used for the PPD file extensions. Currently it must be the string &quot;1.0&quot;
+ or &quot;1.1&quot;.</P>
+<H2><A NAME="3_6">3.6 Scheduler Configuration Files</A></H2>
+<P>The scheduler reads three configuration files that define the
+ available printers, classes, and services:</P>
+<DL>
+<DT>classes.conf</DT>
+<DD>This file defines all of the printer classes known to the system.</DD>
+<DT>cupsd.conf</DT>
+<DD>This file defines the files, directories, passwords, etc. used by
+ the scheduler.</DD>
+<DT>printers.conf</DT>
+<DD>This file defines all of the printers known to the system.</DD>
+</DL>
+<H3><A NAME="3_6_1">3.6.1 classes.conf</A></H3>
+<P>The classes.conf file consists of 1 or more lines of ASCII text.
+ Comment lines start with the pound (&quot;#&quot;) character.</P>
+<P>Each non-blank line starts with the name of a configuration directive
+ followed by its value. The following directives are understood:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH WIDTH="25%">Directive</TH><TH>Description</TH></TR>
+<TR><TD>&lt;Class name&gt;
+<BR> &lt;/Class&gt;</TD><TD>Surrounds a class definition.</TD></TR>
+<TR><TD>&lt;DefaultClass name&gt;
+<BR> &lt;/Class&gt;</TD><TD>Surrounds a class definition for the default
+ destination.</TD></TR>
+<TR><TD>Accepting</TD><TD>Specifies whether the class is accepting new
+ jobs. May be the names &quot;Yes&quot; or &quot;No&quot;.</TD></TR>
+<TR><TD>AllowUsers</TD><TD>Specifies a list of users that are allowed to
+ access the class.</TD></TR>
+<TR><TD>BannerStart</TD><TD>Specifies the banner that is printed before
+ other files in a job.</TD></TR>
+<TR><TD>BannerEnd</TD><TD>Specifies the banner that is printed after
+ other files in a job.</TD></TR>
+<TR><TD>DenyUsers</TD><TD>Specifies a list of users that are not allowed
+ to access the class.</TD></TR>
+<TR><TD>Info</TD><TD>A textual description of the class.</TD></TR>
+<TR><TD>Location</TD><TD>A textual location of the class.</TD></TR>
+<TR><TD>Printer</TD><TD>Specifies a printer that is a member of the
+ class.</TD></TR>
+<TR><TD>State</TD><TD>Specifies the initial state of the class; can be
+ &quot;Idle&quot; or &quot;Stopped&quot;.</TD></TR>
+<TR><TD>StateMessage</TD><TD>Specifies a textual message for the current
+ class state.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="3_6_2">3.6.2 cupsd.conf</A></H3>
+<P>The cupsd.conf file consists of 1 or more lines of ASCII text.
+ Comment lines start with the pound (&quot;#&quot;) character.</P>
+<P>Each non-blank line starts with the name of a configuration directive
+ followed by its value. The following directives are understood:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH WIDTH="25%">Directive</TH><TH>Default</TH><TH>Description</TH></TR>
+<TR><TD>AccessLog</TD><TD>access_log</TD><TD>Specifies the location of
+ the access log file. The special name &quot;syslog&quot; can be used to send
+ access log information to the system log.</TD></TR>
+<TR><TD>Allow</TD><TD>-</TD><TD>Allows connections from the specified
+ host, network, or domain.</TD></TR>
+<TR><TD>AuthClass</TD><TD>-</TD><TD>Specifies what level of
+ authentication is required; may be &quot;User&quot;, &quot;System&quot;, or &quot;Group&quot;.</TD></TR>
+<TR><TD>AuthType</TD><TD>None</TD><TD>Specifies the type of
+ authentication to perform; may be &quot;None&quot;, &quot;Basic&quot;, or &quot;Digest&quot;.</TD></TR>
+<TR><TD>BrowseAddress</TD><TD>255.255.255.255</TD><TD>Specifies a
+ broadcast address to send CUPS browsing packets to.</TD></TR>
+<TR><TD>BrowseAllow</TD><TD>-</TD><TD>Specifies hosts or addresses from
+ which browsing information should be used.</TD></TR>
+<TR><TD>BrowseDeny</TD><TD>-</TD><TD>Specifies hosts or addresses from
+ which browsing information should not be used.</TD></TR>
+<TR><TD>BrowseInterval</TD><TD>30</TD><TD>Specifies the number of
+ seconds between browsing updates. A browse interval of 0 seconds
+ disables outgoing packets.</TD></TR>
+<TR><TD>BrowseOrder</TD><TD>Allow,Deny</TD><TD>Specifies the order of
+ BrowseAllow and BrowseDeny directive processing; can be &quot;Deny,Allow&quot; to
+ implicitly deny hosts unless they are allowed by a BrowseAllow line, or
+ &quot;Allow,Deny&quot; to implicitly allow hosts unless they are denied by a
+ BrowseDeny line.</TD></TR>
+<TR><TD>BrowsePoll</TD><TD>-</TD><TD>Specifies a server to poll for
+ available printers and classes.</TD></TR>
+<TR><TD>BrowsePort</TD><TD>631</TD><TD>Specifies the UDP port number to
+ use for browse packets.</TD></TR>
+<TR><TD>BrowseRelay</TD><TD>-</TD><TD>Specifies a source and destination
+ address for relaying browser information from one subnet to another.</TD>
+</TR>
+<TR><TD>BrowseShortNames</TD><TD>yes</TD><TD>Specifies whether or not to
+ provide short names (without the &quot;@server&quot; part) for remote printers.</TD>
+</TR>
+<TR><TD>BrowseTimeout</TD><TD>300</TD><TD>Specifies the number of
+ seconds to wait until remote destinations are removed from the local
+ destination list.</TD></TR>
+<TR><TD>Browsing</TD><TD>On</TD><TD>Specifies whether or not printer and
+ class browsing is enabled; can be &quot;On&quot; or &quot;Off&quot;.</TD></TR>
+<TR><TD>DataDir</TD><TD>/usr/share/cups</TD><TD>Specifies the directory
+ where CUPS data files are stored.</TD></TR>
+<TR><TD>DefaultCharset</TD><TD>iso-8859-1</TD><TD>Specifies the default
+ character set.</TD></TR>
+<TR><TD>DefaultLanguage</TD><TD>current locale</TD><TD>Specifies the
+ default language.</TD></TR>
+<TR><TD>Deny</TD><TD>-</TD><TD>Refuses connections from the specified
+ host, network, or domain.</TD></TR>
+<TR><TD>DocumentRoot</TD><TD>/usr/share/doc/cups</TD><TD>Specifies the
+ document data root directory.</TD></TR>
+<TR><TD>ErrorLog</TD><TD>error_log</TD><TD>Specifies the error log file
+ location. The special name &quot;syslog&quot; can be used to send error log
+ information to the system log.</TD></TR>
+<TR><TD>Group</TD><TD>root, sys, system</TD><TD>Specifies the group name
+ or ID that is used when running external programs.</TD></TR>
+<TR><TD>HostNameLookups</TD><TD>Off</TD><TD>Specifies whether or not to
+ perform reverse IP address lookups to get the actual hostname; may be
+ &quot;On&quot; or &quot;Off&quot;. Hostname lookups can significantly degrade the
+ performance of the CUPS server if one or more DNS servers is not
+ functioning properly.</TD></TR>
+<TR><TD>ImplicitClasses</TD><TD>On</TD><TD>Specifies whether or not to
+ automatically create printer classes when more than one printer or
+ class of the same name is detected on the network; may be &quot;On&quot; or
+ &quot;Off&quot;.</TD></TR>
+<TR><TD>KeepAlive</TD><TD>On</TD><TD>Specifies whether or not to use the
+ HTTP Keep-Alive feature; may be &quot;On&quot; or &quot;Off&quot;.</TD></TR>
+<TR><TD>KeepAliveTimeout</TD><TD>30</TD><TD>Specifies the amount of time
+ to keep the HTTP connection alive before closing it.</TD></TR>
+<TR><TD>&lt;Location path&gt;
+<BR> &lt;/Location&gt;</TD><TD>-</TD><TD>Specifies a location to restrict
+ access to.</TD></TR>
+<TR><TD>LogLevel</TD><TD>info</TD><TD>Controls the amount of information
+ that is logged in the error log file. Can be one of &quot;debug&quot;, &quot;info&quot;,
+ &quot;warn&quot;, &quot;error&quot;, or &quot;none&quot;, in decreasing order or verbosity.</TD></TR>
+<TR><TD>MaxClients</TD><TD>100</TD><TD>Specifies the maximum number of
+ simultaneous active clients. This value is internally limited to 1/3 of
+ the total number of available file descriptors.</TD></TR>
+<TR><TD>MaxLogSize</TD><TD>0</TD><TD>Specifies the maximum size of the
+ access, error, and page log files in bytes. If set to 0 then no maximum
+ size is set. Log files are rotated automatically when this size is
+ exceeded.</TD></TR>
+<TR><TD>MaxRequestSize</TD><TD>0</TD><TD>Specifies the maximum size of
+ HTTP requests in bytes. If set to 0 then there is no maximum.</TD></TR>
+<TR><TD>Order</TD><TD>Allow,Deny</TD><TD>Specifies the order of Allow
+ and Deny directive processing; can be &quot;Deny,Allow&quot; to implicitly deny
+ hosts unless they are allowed by an Allow line, or &quot;Allow,Deny&quot; to
+ implicitly allow hosts unless they are denied by a Deny line.</TD></TR>
+<TR><TD>PageLog</TD><TD>page_log</TD><TD>Specifies the location of the
+ page log file. The special name &quot;syslog&quot; can be used to send page log
+ information to the system log.</TD></TR>
+<TR><TD>Port</TD><TD>631</TD><TD>Specifies a port number to listen to
+ for HTTP connections.</TD></TR>
+<TR><TD>Printcap</TD><TD>/etc/printcap</TD><TD>Specifies the location of
+ a Berkeley printcap file to update with a list of current printers and
+ classes. If no filename is supplied then this automatic generation is
+ disabled.</TD></TR>
+<TR><TD>RequestRoot</TD><TD>/var/spool/cups</TD><TD>Specifies the
+ location of request files.</TD></TR>
+<TR><TD>RIPCache</TD><TD>8m</TD><TD>Specifies the size of the memory
+ cache in bytes that is used by RIP filters.</TD></TR>
+<TR><TD>ServerAdmin</TD><TD>root@ServerName</TD><TD>Specifies the person
+ to contact with problems.</TD></TR>
+<TR><TD>ServerName</TD><TD>hostname</TD><TD>Specifies the hostname that
+ is supplied to HTTP clients. This is also used to determine the default
+ CUPS server for the CUPS IPP client applications.</TD></TR>
+<TR><TD>ServerRoot</TD><TD>/etc/cups</TD><TD>Specifies the root
+ directory for server configuration files.</TD></TR>
+<TR><TD>SystemGroup</TD><TD>root, sys, system</TD><TD>Specifies the
+ group name used for System class authentication.</TD></TR>
+<TR><TD>TempDir</TD><TD>/var/tmp</TD><TD>Specifies the temporary
+ directory to use.</TD></TR>
+<TR><TD>Timeout</TD><TD>300</TD><TD>The timeout in seconds before client
+ connections are closed in the middle of a request.</TD></TR>
+<TR><TD>User</TD><TD>lp</TD><TD>Specifies the user that is used when
+ running external programs.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="3_6_3">3.6.3 printers.conf</A></H3>
+<P>The printers.conf file consists of 1 or more lines of ASCII text.
+ Comment lines start with the pound (&quot;#&quot;) character.</P>
+<P>Each non-blank line starts with the name of a configuration directive
+ followed by its value. The following directives are understood:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH WIDTH="25%">Directive</TH><TH>Description</TH></TR>
+<TR><TD>Accepting</TD><TD>Specifies whether the printer is accepting new
+ jobs. May be the names &quot;Yes&quot; or &quot;No&quot;.</TD></TR>
+<TR><TD>&lt;DefaultPrinter name&gt;
+<BR> &lt;/Printer&gt;</TD><TD>Surrounds the printer definition for a default
+ destination.</TD></TR>
+<TR><TD>AllowUsers</TD><TD>Specifies a list of users that are allowed to
+ access the printer.</TD></TR>
+<TR><TD>BannerStart</TD><TD>Specifies the banner that is printed before
+ other files in a job.</TD></TR>
+<TR><TD>BannerEnd</TD><TD>Specifies the banner that is printed after
+ other files in a job.</TD></TR>
+<TR><TD>DenyUsers</TD><TD>Specifies a list of users that are not allowed
+ to access the printer.</TD></TR>
+<TR><TD>DeviceURI</TD><TD>Specifies the device-uri attribute for the
+ printer.</TD></TR>
+<TR><TD>Info</TD><TD>A textual description of the printer.</TD></TR>
+<TR><TD>Location</TD><TD>A textual location of the printer.</TD></TR>
+<TR><TD>&lt;Printer name&gt;
+<BR> &lt;/Printer&gt;</TD><TD>Surrounds the printer definition.</TD></TR>
+<TR><TD>State</TD><TD>Specifies the initial state of the printer; can be
+ &quot;Idle&quot; or &quot;Stopped&quot;.</TD></TR>
+<TR><TD>StateMessage</TD><TD>Specifies a textual message for the current
+ printer state.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H1><A NAME="4">4 External Interfaces</A></H1>
+<H2><A NAME="4_1">4.1 AppSocket Protocol</A></H2>
+<P>The AppSocket protocol is an 8-bit clean TCP/IP socket connection.
+ The default IP service port is 9100. The URI method name is &quot;socket&quot;.</P>
+<P>The AppSocket protocol is used by the Hewlett Packard JetDirect
+ network interfaces and print servers, as well as many other vendors'
+ products. See the CUPS Software Administrators Manual for a list of
+ supported products.</P>
+<H2><A NAME="4_2">4.2 CUPS Browsing Protocol</A></H2>
+<P>The CUPS Browsing Protocol is a UDP/IP-based broadcast service. By
+ default this service operates on IP service port 631.</P>
+<P>Each broadcast packet describes the state of a single printer or
+ class and is an ASCII text string of up to 1450 bytes ending with a
+ newline (0x0a). The string is formatted as follows:</P>
+<UL>
+<PRE>
+type SP state SP uri SP &quot;location&quot; SP &quot;info&quot; SP &quot;make-and-model&quot; NL
+</PRE>
+</UL>
+<P><VAR>State, uri, location, info</VAR>, and<VAR> make-and-model</VAR>,
+ correspond to the IPP <CODE>printer-state</CODE>, <CODE>
+printer-uri-supported</CODE>, <CODE>printer-location</CODE>, <CODE>
+printer-info</CODE>, and <CODE>printer-make-and-model</CODE> attributes.</P>
+<P><VAR>Type</VAR> is a hexadecimal number string representing
+ capability/type bits:
+<CENTER>
+<TABLE BORDER="1" WIDTH="40%">
+<TR><TH WIDTH="8%">Bit</TH><TH>Description</TH></TR>
+<TR><TD>0</TD><TD>0 = printer
+<BR> 1 = class</TD></TR>
+<TR><TD>1</TD><TD>0 = local
+<BR> 1 = remote
+<BR> (always 1)</TD></TR>
+<TR><TD>2</TD><TD>1 = can print B</TD></TR>
+<TR><TD>3</TD><TD>1 = can print color</TD></TR>
+<TR><TD>4</TD><TD>1 = can duplex</TD></TR>
+<TR><TD>5</TD><TD>1 = can staple</TD></TR>
+<TR><TD>6</TD><TD>1 = can do fast copies</TD></TR>
+<TR><TD>7</TD><TD>1 = can do fast collating</TD></TR>
+<TR><TD>8</TD><TD>1 = can punch holes</TD></TR>
+<TR><TD>9</TD><TD>1 = can cover</TD></TR>
+<TR><TD>10</TD><TD>1 = can bind</TD></TR>
+<TR><TD>11</TD><TD>1 = can sort</TD></TR>
+<TR><TD>12</TD><TD>1 = can print up to 9x14 inches</TD></TR>
+<TR><TD>13</TD><TD>1 = can print up to 18x24 inches</TD></TR>
+<TR><TD>14</TD><TD>1 = can print up to 36x48 inches</TD></TR>
+<TR><TD>15</TD><TD>1 = can print variable sizes</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="4_3">4.3 CUPS Form File</A></H2>
+<P>CUPS Form files are XML files used by the CUPS <CODE>formtops</CODE>
+ filter to produce dynamic banner pages and support preprinted forms.</P>
+<P>The MIME type for CUPS Form files is <CODE>application/vnd.cups-form</CODE>
+.</P>
+<H3><A NAME="4_3_1">4.3.1 CUPS Form DTD</A></H3>
+<P>The following DTD describes the available elements and attributes in
+ a CUPS Form file:
+<CENTER>
+<TABLE BORDER>
+<TR><TD>
+<PRE>
+&lt;!ENTITY % Angle &quot;CDATA&quot; -- angle in degrees --&gt;
+
+&lt;!ENTITY % Color &quot;CDATA&quot; -- a color using sRGB: #RRGGBB as Hex values --&gt;
+
+&lt;!ENTITY % Length &quot;CDATA&quot; -- nn for pixels or nn% for percentage length --&gt;
+
+&lt;!ENTITY % Lengths &quot;CDATA&quot; -- comma-separated Length values --&gt;
+
+&lt;!ENTITY % Text &quot;CDATA&quot;&gt;
+
+&lt;!ENTITY % heading &quot;H1|H2|H3|H4|H5|H6&quot;&gt;
+
+&lt;!ENTITY % preformatted &quot;PRE&quot;&gt;
+
+&lt;!ENTITY % i18n
+ &quot;lang        %LanguageCode; #IMPLIED  -- language code --
+  dir         (ltr|rtl)      #IMPLIED  -- direction for weak/neutral text --&quot;
+  &gt;
+
+&lt;!ENTITY % attrs &quot;%i18n;&quot;&gt;
+
+&lt;!ENTITY % fontstyle
+ &quot;B | FONT | I | TT&quot;&gt;
+
+&lt;!ENTITY % graphics
+ &quot;BOX | RECT | LINE | POLY | ARC | PIE | TEXT&quot;&gt;
+
+&lt;!ENTITY % insert
+ &quot;IMG | VAR&quot;&gt;
+
+&lt;!-- %inline; covers inline or &quot;text-level&quot; elements --&gt;
+&lt;!ENTITY % inline &quot;#PCDATA | %fontstyle; | %graphics; | %insert;&quot;&gt;
+
+&lt;!ELEMENT (%fontstyle;) - - (%inline;)*&gt;
+&lt;!ATTLIST (%fontstyle;)
+  %attrs;                              -- %i18n --
+  &gt;
+
+&lt;!ELEMENT BR - O EMPTY                 -- forced line break --&gt;
+&lt;!ATTLIST BR
+  %attrs;                              -- %i18n --
+  &gt;
+
+&lt;!ENTITY % block
+     &quot;P | %heading; | %preformatted;&quot;&gt;
+
+&lt;!ENTITY % flow &quot;%block; | %inline;&quot;&gt;
+
+&lt;!ELEMENT PAGE O O (%flow;)+           -- document body --&gt;
+&lt;!ATTLIST PAGE
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  valign      (top|middle|center|bottom) #IMPLIED -- vertical alignment --
+  &gt;
+
+&lt;!ELEMENT P - O (%inline;)*            -- paragraph --&gt;
+&lt;!ATTLIST P
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  &gt;
+
+&lt;!ELEMENT (%heading;)  - - (%inline;)* -- heading --&gt;
+&lt;!ATTLIST (%heading;)
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  &gt;
+
+&lt;!ELEMENT PRE - - (%inline;)*          -- preformatted text --&gt;
+&lt;!ATTLIST PRE
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  &gt;
+
+&lt;!ELEMENT BOX - O EMPTY                -- unfilled box --&gt;
+&lt;!ATTLIST BOX
+  color       %Color;        #IMPLIED  -- override color --
+  height      %Length;       #REQUIRED -- height of box --
+  thickness   %Length;       #IMPLIED  -- override line thickness --
+  width       %Length;       #REQUIRED -- width of box --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  &gt;
+
+&lt;!ELEMENT RECT - O EMPTY               -- filled box --&gt;
+&lt;!ATTLIST RECT
+  color       %Color;        #IMPLIED  -- override color --
+  height      %Length;       #REQUIRED -- height of box --
+  width       %Length;       #REQUIRED -- width of box --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  &gt;
+
+&lt;!ELEMENT LINE - O EMPTY               -- polyline --&gt;
+&lt;!ATTLIST LINE
+  color       %Color;        #IMPLIED  -- override color --
+  thickness   %Length;       #IMPLIED  -- override line thickness --
+  x           %Lengths;      #REQUIRED -- horizontal positions --
+  y           %Lengths;      #REQUIRED -- vertical positions --
+  &gt;
+
+&lt;!ELEMENT POLY - O EMPTY               -- polygon (filled) --&gt;
+&lt;!ATTLIST POLY
+  color       %Color;        #IMPLIED  -- override color --
+  x           %Lengths;      #REQUIRED -- horizontal positions --
+  y           %Lengths;      #REQUIRED -- vertical positions --
+  &gt;
+
+&lt;!ELEMENT ARC - O EMPTY                -- unfilled arc --&gt;
+&lt;!ATTLIST ARC
+  color       %Color;        #IMPLIED  -- override color --
+  end         %Angle;        #IMPLIED  -- override end angle --
+  height      %Length;       #REQUIRED -- height of arc --
+  start       %Angle;        #IMPLIED  -- override start angle --
+  thickness   %Length;       #IMPLIED  -- override line thickness --
+  width       %Length;       #REQUIRED -- width of arc --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  &gt;
+
+&lt;!ELEMENT PIE - O EMPTY                -- filled arc --&gt;
+&lt;!ATTLIST PIE
+  color       %Color;        #IMPLIED  -- override color --
+  end         %Angle;        #IMPLIED  -- override end angle --
+  height      %Length;       #REQUIRED -- height of arc --
+  start       %Angle;        #IMPLIED  -- override start angle --
+  width       %Length;       #REQUIRED -- width of arc --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  &gt;
+
+&lt;!ELEMENT TEXT - - (%flow;)*           -- text box --&gt;
+&lt;!ATTLIST RECT
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  height      %Length;       #REQUIRED -- height of box --
+  valign      (top|middle|center|bottom) #IMPLIED -- vertical alignment --
+  width       %Length;       #REQUIRED -- width of box --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  &gt;
+
+
+&lt;!ELEMENT IMG - O EMPTY                -- Embedded image --&gt;
+&lt;!ATTLIST IMG
+  %attrs;                              -- %coreattrs, %i18n, %events --
+  src         %URI;          #REQUIRED -- URI of image to embed --
+  height      %Length;       #IMPLIED  -- override height --
+  width       %Length;       #IMPLIED  -- override width --
+  &gt;
+
+&lt;!ELEMENT HEAD O O (DEFVAR)*           -- document head --&gt;
+&lt;!ATTLIST HEAD
+  %i18n;                               -- lang, dir --
+  &gt;
+
+&lt;!ELEMENT DEFVAR - O EMPTY             -- variable definition --&gt;
+&lt;!ATTLIST DEFVAR
+  name        CDATA          #REQUIRED -- name
+  value       CDATA          #REQUIRED -- value
+  &gt;
+
+
+&lt;!ENTITY % html.content &quot;HEAD, PAGE&quot;&gt;
+
+&lt;!ELEMENT CUPSFORM - - (HEAD) (PAGE)+  -- document root element --&gt;
+&lt;!ATTLIST CUPSFORM
+  %i18n;                               -- lang, dir --
+  &gt;
+</PRE>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="4_4">4.4 CUPS PostScript File</A></H2>
+<P>CUPS PostScript files are device-dependent Adobe PostScript program
+ files. The PostScript language is described in the<A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+ Adobe PostScript Language Reference Manual, Third Edition</A>.</P>
+<P>The MIME type for CUPS PostScript files is <CODE>
+application/vnd.cups-postscript</CODE>.</P>
+<H2><A NAME="4_5">4.5 CUPS Raster File</A></H2>
+<P>CUPS raster files are device-dependent raster image files that
+ contain a PostScript page device dictionary and device-dependent raster
+ imagery for each page in the document. These files are used to transfer
+ raster data from the PostScript and image file RIPs to device-dependent
+ filters that convert the raster data to a printable format.</P>
+<P>A raster file begins with a four byte synchronization word:
+ 0x52615374 (&quot;RaSt&quot;) for big-endian architectures and 0x74536152
+ (&quot;tSaR&quot;) for little-endian architectures. The writer of the raster file
+ will use the native word order, and the reader is responsible for
+ detecting a reversed word order file and swapping bytes as needed. The
+ CUPS Image Library raster functions perform this function
+ automatically.</P>
+<P>Following the synchronization word are a series of raster pages. Each
+ page starts with a page device dictionary header and is followed
+ immediately by the raster data for that page.
+<CENTER>
+<TABLE BORDER="1" WIDTH="80%">
+<TR><TH WIDTH="10%">Bytes</TH><TH WIDTH="20%">Description</TH><TH>Values</TH>
+</TR>
+<TR><TD>0-63</TD><TD>MediaClass</TD><TD>Nul-terminated ASCII string</TD></TR>
+<TR><TD>64-127</TD><TD>MediaColor</TD><TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR><TD>128-191</TD><TD>MediaType</TD><TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR><TD>192-255</TD><TD>OutputType</TD><TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR><TD>256-259</TD><TD>AdvanceDistance</TD><TD>0 to 2<SUP>32</SUP> - 1
+ points</TD></TR>
+<TR><TD>260-263</TD><TD>AdvanceMedia</TD><TD>0 = Never advance roll
+<BR> 1 = Advance roll after file
+<BR> 2 = Advance roll after job
+<BR> 3 = Advance roll after set
+<BR> 4 = Advance roll after page</TD></TR>
+<TR><TD>264-267</TD><TD>Collate</TD><TD>0 = do not collate copies
+<BR> 1 = collate copies</TD></TR>
+<TR><TD>268-271</TD><TD>CutMedia</TD><TD>0 = Never cut media
+<BR> 1 = Cut roll after file
+<BR> 2 = Cut roll after job
+<BR> 3 = Cut roll after set
+<BR> 4 = Cut roll after page</TD></TR>
+<TR><TD>272-275</TD><TD>Duplex</TD><TD>0 = Print single-sided
+<BR> 1 = Print double-sided</TD></TR>
+<TR><TD>276-283</TD><TD>HWResolution</TD><TD>Horizontal and vertical
+ resolution in dots-per-inch.</TD></TR>
+<TR><TD>284-299</TD><TD>ImagingBoundingBox</TD><TD>Four integers giving
+ the left, bottom, right, and top positions of the page bounding box in
+ points</TD></TR>
+<TR><TD>300-303</TD><TD>InsertSheet</TD><TD>0 = Do not insert separator
+ sheets
+<BR> 1 = Insert separator sheets</TD></TR>
+<TR><TD>304-307</TD><TD>Jog</TD><TD>0 = Do no jog pages
+<BR> 1 = Jog pages after file
+<BR> 2 = Jog pages after job
+<BR> 3 = Jog pages after set</TD></TR>
+<TR><TD>308-311</TD><TD>LeadingEdge</TD><TD>0 = Top edge is first
+<BR> 1 = Right edge is first
+<BR> 2 = Bottom edge is first
+<BR> 3 = Left edge is first</TD></TR>
+<TR><TD>312-319</TD><TD>Margins</TD><TD>Left and bottom origin of image
+ in points</TD></TR>
+<TR><TD>320-323</TD><TD>ManualFeed</TD><TD>0 = Do not manually feed
+ media
+<BR> 1 = Manually feed media</TD></TR>
+<TR><TD>324-327</TD><TD>MediaPosition</TD><TD>Input slot position from 0
+ to N</TD></TR>
+<TR><TD>328-331</TD><TD>MediaWeight</TD><TD>Media weight in grams per
+ meter squared</TD></TR>
+<TR><TD>332-335</TD><TD>MirrorPrint</TD><TD>0 = Do not mirror prints
+<BR> 1 = Mirror prints</TD></TR>
+<TR><TD>336-339</TD><TD>NegativePrint</TD><TD>0 = Do not invert prints
+<BR> 1 = Invert prints</TD></TR>
+<TR><TD>340-343</TD><TD>NumCopies</TD><TD>1 to 2<SUP>32</SUP> - 1</TD></TR>
+<TR><TD>344-347</TD><TD>Orientation</TD><TD>0 = Do not rotate page
+<BR> 1 = Rotate page counter-clockwise
+<BR> 2 = Turn page upside down
+<BR> 3 = Rotate page clockwise</TD></TR>
+<TR><TD>348-351</TD><TD>OutputFaceUp</TD><TD>0 = Output face down
+<BR> 1 = Output face up</TD></TR>
+<TR><TD>352-359</TD><TD>PageSize</TD><TD>Width and length in points</TD></TR>
+<TR><TD>360-363</TD><TD>Separations</TD><TD>0 = Print composite image
+<BR> 1 = Print color separations</TD></TR>
+<TR><TD>364-367</TD><TD>TraySwitch</TD><TD>0 = Do not change trays if
+ selected tray is empty
+<BR> 1 = Change trays if selected tray is empty</TD></TR>
+<TR><TD>368-371</TD><TD>Tumble</TD><TD>0 = Do not rotate even pages when
+ duplexing
+<BR> 1 = Rotate even pages when duplexing</TD></TR>
+<TR><TD>372-375</TD><TD>cupsWidth</TD><TD>Width of page image in pixels</TD>
+</TR>
+<TR><TD>376-379</TD><TD>cupsHeight</TD><TD>Height of page image in
+ pixels</TD></TR>
+<TR><TD>380-383</TD><TD>cupsMediaType</TD><TD>Driver-specific 0 to 2<SUP>
+32</SUP> - 1</TD></TR>
+<TR><TD>384-387</TD><TD>cupsBitsPerColor</TD><TD>1, 2, 4, 8 bits</TD></TR>
+<TR><TD>388-391</TD><TD>cupsBitsPerPixel</TD><TD>1 to 32 bits</TD></TR>
+<TR><TD>392-395</TD><TD>cupsBytesPerLine</TD><TD>1 to 2<SUP>32</SUP> - 1
+ bytes</TD></TR>
+<TR><TD>396-399</TD><TD>cupsColorOrder</TD><TD>0 = chunky pixels (CMYK
+ CMYK CMYK)
+<BR> 1 = banded pixels (CCC MMM YYY KKK)
+<BR> 2 = planar pixels (CCC... MMM... YYY... KKK...)</TD></TR>
+<TR><TD>400-403</TD><TD>cupsColorSpace</TD><TD>0 = white
+<BR> 1 = RGB
+<BR> 2 = RGBA
+<BR> 3 = black
+<BR> 4 = CMY
+<BR> 5 = YMC
+<BR> 6 = CMYK
+<BR> 7 = YMCK
+<BR> 8 = KCMY
+<BR> 9 = KCMYcm</TD></TR>
+<TR><TD>404-407</TD><TD>cupsCompression</TD><TD>Driver-specific 0 to 2<SUP>
+32</SUP> - 1</TD></TR>
+<TR><TD>408-411</TD><TD>cupsRowCount</TD><TD>Driver-specific 0 to 2<SUP>
+32</SUP> - 1</TD></TR>
+<TR><TD>412-415</TD><TD>cupsRowFeed</TD><TD>Driver-specific 0 to 2<SUP>
+32</SUP> - 1</TD></TR>
+<TR><TD>416-419</TD><TD>cupsRowStep</TD><TD>Driver-specific 0 to 2<SUP>
+32</SUP> - 1</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>The MIME type for CUPS Raster files is <CODE>
+application/vnd.cups-raster</CODE>.</P>
+<H2><A NAME="4_6">4.6 CUPS Raw Files</A></H2>
+<P>Raw files are printer-dependent print files that are in a format
+ suitable to the destination printer (e.g. HP-PCL, HP-RTL, etc.) The
+ MIME type for CUPS Raw files is <CODE>application/vnd.cups-raw</CODE>.</P>
+<H2><A NAME="4_7">4.7 Internet Printing Protocol</A></H2>
+<P>The Internet Printing Protocol and the CUPS extensions to it are
+ described in the CUPS Implementation of IPP document.</P>
+<H2><A NAME="4_8">4.8 Line Printer Daemon Protocol</A></H2>
+<P>The Line Printer Daemon (LPD) protocol is described by<A HREF="http://www.ietf.org/rfc/rfc1179.txt">
+ RFC 1179: Line Printer Daemon Protocol</A>.</P>
+<P>The URI method name for LPD is &quot;lpd&quot;.</P>
+<H2><A NAME="4_9">4.9 Server Message Block Protocol</A></H2>
+<P>The Server Message Block (SMB) and related Common Internet File
+ System (CIFS) protocols are described at<A HREF="http://anu.samba.org/cifs">
+ http://anu.samba.org/cifs</A>.</P>
+<P>The URI method name for SMB is &quot;smb&quot;. Support for this protocol is
+ provided via the SAMBA <CODE>smbspool(1)</CODE> program provided with
+ SAMBA 2.0.6 and higher.</P>
+<H1><A NAME="5">5 Directories</A></H1>
+<DL>
+<DT>/etc/cups</DT>
+<DD>The scheduler configuration and MIME files reside here.</DD>
+<DT>/etc/cups/certs</DT>
+<DD>The authentication certificates reside here.</DD>
+<DT>/etc/cups/interfaces</DT>
+<DD>System V interface scripts reside here.</DD>
+<DT>/etc/cups/ppd</DT>
+<DD>This directory contains PPD files for each printer.</DD>
+<DT>/usr/bin</DT>
+<DD>The <CODE>cancel</CODE>, <CODE>lp</CODE>, <CODE>lpq</CODE>, <CODE>
+lpr</CODE>, <CODE>lprm</CODE>, and <CODE>lpstat</CODE> commands reside
+ here.</DD>
+<DT>/usr/lib, /usr/lib32</DT>
+<DD>The shared libraries (DSOs) reside here.</DD>
+<DT>/usr/lib/cups/backend</DT>
+<DD>The backend filters reside here.</DD>
+<DT>/usr/lib/cups/cgi-bin</DT>
+<DD>The CGI programs reside here.</DD>
+<DT>/usr/lib/cups/daemon</DT>
+<DD>The polling and LPD daemons reside here.</DD>
+<DT>/usr/lib/cups/filter</DT>
+<DD>The file filters reside here.</DD>
+<DT>/usr/sbin</DT>
+<DD>The <CODE>accept</CODE>, <CODE>cupsd</CODE>, <CODE>lpadmin</CODE>, <CODE>
+lpc</CODE>, and <CODE>reject</CODE> commands reside here.</DD>
+<DT>/usr/share/cups</DT>
+<DD>This is the root directory of the CUPS static data.</DD>
+<DT>/usr/share/cups/charsets</DT>
+<DD>The character set files reside here.</DD>
+<DT>/usr/share/cups/data</DT>
+<DD>The filter data files reside here.</DD>
+<DT>/usr/share/cups/fonts</DT>
+<DD>The <CODE>pstoraster</CODE> font files reside here.</DD>
+<DT>/usr/share/cups/model</DT>
+<DD>The sample PPD files reside here.</DD>
+<DT>/usr/share/cups/pstoraster</DT>
+<DD>The <CODE>pstoraster</CODE> data files reside here.</DD>
+<DT>/usr/share/doc/cups</DT>
+<DD>The scheduler documentation files reside here.</DD>
+<DT>/var/log/cups</DT>
+<DD>The <CODE>access_log</CODE>, <CODE>error_log</CODE>, and <CODE>
+page_log</CODE> files reside here.</DD>
+<DT>/var/spool/cups</DT>
+<DD>This directory contains print job files.</DD>
+</DL>
+<H1 TYPE="A" VALUE="1"><A NAME="6">A Glossary</A></H1>
+<H2><A NAME="6_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="6_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
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+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-IDD-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Interface Design Description</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+<P>This interface design description document provides detailed file
+formats, message formats, and program conventions for the Common UNIX
+Printing System ("CUPS") Version 1.1.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This interface design description document is organized into the following
+sections:
+
+<UL>
+	<LI>1 - Scope
+	<LI>2 - References
+	<LI>3 - Internal Interfaces
+	<LI>4 - External Interfaces
+	<LI>5 - Directories
+	<LI>A - Glossary
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Internal Interfaces</H1>
+
+<H2>Character Set Files</H2>
+
+<P>The character set files define a mapping between 8-bit characters
+and the Unicode character set, or between Unicode and printer fonts.
+They are named using the IETF charset names defined in RFCnnnn.  These
+files are ASCII text, the content of which is described below. Comments
+can be included by using the <TT>#</TT> character in the first column
+of a line.
+
+<H3>8-Bit Character Set Files</H3>
+
+<P>8-bit character set files start with a line reading:
+
+<UL><PRE>
+charset 8bit
+</PRE></UL>
+
+<P>Following this are lines that define the font information:
+
+<UL><PRE>
+first last direction width normal bold italic bold-italic
+</PRE></UL>
+
+<P><VAR>First</VAR> and <VAR>last</VAR> are the first and last glyphs
+in the font mapping that correspond to that font; a maximum of 256
+characters can be mapped within each group, with a maximum of 256
+mappings (this is a PostScript limitation.) The glyph values are
+hexadecimal.
+
+<P><VAR>Direction</VAR> is the string "ltor", "rtol", or "rtola" indicating
+left-to-right, right-to-left, or right-to-left Arabic text.
+
+<P><VAR>Width</VAR> is the string "single" or "double"; double means that the
+glyphs are twice as wide as ASCII characters in the Courier typeface.
+
+<P><VAR>Normal, bold, italic</VAR>, and <VAR>bold-italic</VAR> are the
+typefaces to use for each presentation.  If characters are only available in
+a single style then only one typeface should be listed (e.g. "Symbol".)
+Each font that is listed will be used (and downloaded if needed) when
+printing.
+
+<P>The remaining lines define a character to Unicode glyph mapping for the
+character set. The character and glyph values are hexadecimal:
+
+<UL><PRE>
+xx yyyy
+</PRE></UL>
+
+<H3>Unicode Character Set Files</H3>
+
+<P>Unicode character set files start with a line reading:
+
+<UL><PRE>
+charset encoding
+</PRE></UL>
+
+<P><VAR>Encoding</VAR> is the encoding to use for the text; currently only
+the string "utf8" is supported.
+
+<P>Following this are lines defining the font information:
+
+<UL><PRE>
+first last direction width normal bold italic bold-italic
+</PRE></UL>
+
+<P><VAR>First</VAR> and <VAR>last</VAR> are the first and last glyphs
+in the font mapping that correspond to that font; a maximum of 256
+characters can be mapped within each group, with a maximum of 256
+mappings (this is a PostScript limitation.) The glyph values are
+hexadecimal.
+
+<P><VAR>Direction</VAR> is the string "ltor", "rtol", or "rtola" indicating
+left-to-right, right-to-left, or right-to-left Arabic text.
+
+<P><VAR>Width</VAR> is the string "single" or "double"; double means that the
+glyphs are twice as wide as ASCII characters in the Courier typeface.
+
+<P><VAR>Normal, bold, italic</VAR>, and <VAR>bold-italic</VAR> are the
+typefaces to use for each presentation.  If characters are only available in
+a single style then only one typeface should be listed (e.g. "Symbol".)
+Each font that is listed will be used (and downloaded if needed) when
+printing.
+
+<H2>Language Files</H2>
+
+<P>The language files define the default character set and a collection of
+text messages in that language. They are named by prefixing the string "cups_"
+to the front of the language specifier (e.g. "cups_en", "cups_fr", etc.) Each
+file consists of two or more lines of ASCII text.
+
+<P>The first line identifies the character set to be used for the messages.
+The currently recognized values are:
+
+<UL>
+	<LI>iso-8859-1
+	<LI>iso-8859-2
+	<LI>iso-8859-3
+	<LI>iso-8859-4
+	<LI>iso-8859-5
+	<LI>iso-8859-6
+	<LI>iso-8859-7
+	<LI>iso-8859-8
+	<LI>iso-8859-9
+	<LI>iso-8859-10
+	<LI>iso-8859-13
+	<LI>iso-8859-14
+	<LI>iso-8859-15
+	<LI>us-ascii
+	<LI>utf-8
+	<LI>windows-874
+	<LI>windows-1250
+	<LI>windows-1251
+	<LI>windows-1252
+	<LI>windows-1253
+	<LI>windows-1254
+	<LI>windows-1255
+	<LI>windows-1256
+	<LI>windows-1257
+	<LI>windows-1258
+	<LI>koi8-r
+	<LI>koi8-u
+</UL>
+
+<P>The second and succeeding lines define text messages. If the message text
+is preceded by a number, then the current message number is updated and the
+text after the number is used.
+
+<H2>MIME Files</H2>
+
+<P>CUPS uses two MIME files in its standard configuration.
+
+<H3>mime.types</H3>
+
+<P>The mime.types file defines the recognized file types and consists
+of 1 or more lines of ASCII text. Comment lines start with the pound
+("#") character. The backslash ("\") character can be used at the end
+of a line to continue that line to the next.
+
+<P>Each non-blank line starts with a MIME type identifier ("super/type")
+as registered with the IANA. All text following the MIME type is treated as
+a series of type recognition rules:
+
+<UL><PRE>
+mime-type := super "/" type { SP rule }*
+super := { "a-z" | "A-Z" }*
+type := { "a-z" | "A-Z" | "-" | "." | "0-9" }*
+rule := { extension | match | operator | "(" rule ")" }*
+extension := { "a-z" | "A-Z" | "0-9" }*
+match := "match(" regexp ")" |
+         "ascii(" offset "," length ")" |
+	 "printable(" offset "," length ")" |
+	 "string(" offset "," string ")" |
+	 "contains(" offset "," length "," string ")" |
+	 "char(" offset "," value ")" |
+	 "short(" offset "," value ")" |
+	 "int(" offset "," value ")" |
+	 "locale(" string ")"
+operator := "+" |	[ logical AND ]
+            "," | SP    [ logical OR ]
+	    "!"         [ unary NOT ]
+</PRE></UL>
+
+<P>The <CODE>int</CODE> and <CODE>short</CODE> rules match look for integers
+in network byte order (a.k.a. big-endian) with the most-significant byte first.
+
+<H3>mime.convs</H3>
+
+<P>The mime.types file defines the recognized file filters and consists
+of 1 or more lines of ASCII text. Comment lines start with the pound
+("#") character.
+
+<P>Each non-blank line starts with two MIME type identifiers ("super/type")
+representing the source and destination types. Following the MIME types are
+a cost value (0 to 100) and the filter program to use. If the filter program
+is not specified using the full path then it must reside in the CUPS filter
+directory:
+
+<UL><PRE>
+super/type SP super/type2 SP cost SP program
+</PRE></UL>
+
+<H2>Option Files</H2>
+
+<P>CUPS maintains user-defined printer and option files for each
+printer and user on the system. The printers and options defined in the
+system option file (<CODE>/etc/cups/lpoptions</CODE>) are loaded first,
+followed by the user option file (<CODE>$HOME/.lpoptions</CODE>).
+Options in the user file replace those defined in the system file for
+the same destination. Each line in the files can be one of the
+following:
+
+<UL><PRE>
+Dest name option=value option=value ... option=value
+Dest name/instance option=value option=value ... option=value
+Default name option=value option=value ... option=value
+Default name/instance option=value option=value ... option=value
+</PRE></UL>
+
+<P>The line beginning with "Default" indicates the default destination for
+print jobs; a default line in the user option file overrides the default
+defined in the system option file.
+
+<P><VAR>Name</VAR> is the name of a printer known to the local server.
+
+<P><VAR>Instance</VAR> can be any string of letters, numbers, and the underscore
+up to 127 characters in length.
+
+<P>The remainder of the line contains a list of space-separated options
+and their values.
+
+<H2>PostScript Printer Description Files</H2>
+
+<P>PostScript Printer Description ("PPD") files describe the capabilities
+of each printer and are used by CUPS to support printer-specific features
+and intelligent filtering.
+
+<H3>PPD Specification</H3>
+
+<P>The PPD file format is described in
+<A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe TechNote #5003: PostScript Printer Description File Format
+Specification Version 4.3</A>.
+
+<H3>CUPS Extensions to PPD Files</H3>
+
+<P>CUPS adds several new attributes that are described below.
+
+<H4>cupsFilter</H4>
+
+<P>This string attribute provides a conversion rule of the form:
+
+<UL><PRE>
+source/type cost program
+</PRE></UL>
+
+<P>The destination type is assumed to the printer's type. If a printer
+supports the source type directly the special filter program "-" may be
+specified.
+
+<H4>cupsManualCopies</H4>
+
+<P>This boolean attribute notifies the RIP filters that the destination printer
+does not support copy generation in hardware. The default value is false.
+
+<H4>cupsModelNumber</H4>
+
+<P>This integer attribute specifies a printer-specific model number. This number
+can be used by a filter program to adjust the output for a specific model of
+printer.
+
+<H4>cupsProfile</H4>
+
+<P>This string attribute specifies a color profile of the form:
+
+<UL><PRE>
+resolution/type density gamma m00 m01 m02 m10 m11 m12 m20 m21 m22
+</PRE></UL>
+
+<P>The <I>resolution</I> and <I>type</I> values may be "-" to act as a
+wildcard. Otherwise they must match one of the <CODE>Resolution</CODE> or
+<CODE>MediaType</CODE> attributes defined in the PPD file.
+
+<P>The <I>density</I> and <I>gamma</I> values define gamma and density
+adjustment function such that:
+
+<UL><PRE>
+f(x) = density * x<SUP>gamma</SUP>
+</PRE></UL>
+
+<P>The <I>m00</I> through <I>m22</I> values define a 3x3 transformation
+matrix for the CMY color values. The density function is applied <I>after</I>
+the CMY transformation.
+
+<H4>cupsVersion</H4>
+
+<P>This required attribute describes which version of the CUPS IDD was used
+for the PPD file extensions. Currently it must be the string "1.0" or "1.1".
+
+<H2>Scheduler Configuration Files</H2>
+
+<P>The scheduler reads three configuration files that define the available
+printers, classes, and services:
+
+<DL>
+
+	<DT>classes.conf
+	<DD>This file defines all of the printer classes known to the
+	system.
+
+	<DT>cupsd.conf
+	<DD>This file defines the files, directories, passwords, etc.
+	used by the scheduler.
+
+	<DT>printers.conf
+	<DD>This file defines all of the printers known to the system.
+
+</DL>
+
+<H3>classes.conf</H3>
+
+<P>The classes.conf file consists of 1 or more lines of ASCII text. 
+Comment lines start with the pound ("#") character.
+
+<P>Each non-blank line starts with the name of a configuration directive
+followed by its value. The following directives are understood:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH WIDTH="25%">Directive</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>&lt;Class name&gt;<BR>
+	&lt;/Class&gt;</TD>
+	<TD>Surrounds a class definition.</TD>
+</TR>
+<TR>
+	<TD>&lt;DefaultClass name&gt;<BR>
+	&lt;/Class&gt;</TD>
+	<TD>Surrounds a class definition for the default destination.</TD>
+</TR>
+<TR>
+	<TD>Accepting</TD>
+	<TD>Specifies whether the class is accepting new jobs. May be
+	the names "Yes" or "No".</TD>
+</TR>
+<TR>
+	<TD>AllowUsers</TD>
+	<TD>Specifies a list of users that are allowed to access the class.</TD>
+</TR>
+<TR>
+	<TD>BannerStart</TD>
+	<TD>Specifies the banner that is printed before other files in a
+	job.</TD>
+</TR>
+<TR>
+	<TD>BannerEnd</TD>
+	<TD>Specifies the banner that is printed after other files in a
+	job.</TD>
+</TR>
+<TR>
+	<TD>DenyUsers</TD>
+	<TD>Specifies a list of users that are not allowed to access the
+	class.</TD>
+</TR>
+<TR>
+	<TD>Info</TD>
+	<TD>A textual description of the class.</TD>
+</TR>
+<TR>
+	<TD>Location</TD>
+	<TD>A textual location of the class.</TD>
+</TR>
+<TR>
+	<TD>Printer</TD>
+	<TD>Specifies a printer that is a member of the class.</TD>
+</TR>
+<TR>
+	<TD>State</TD>
+	<TD>Specifies the initial state of the class; can be "Idle" or
+	"Stopped".</TD>
+</TR>
+<TR>
+	<TD>StateMessage</TD>
+	<TD>Specifies a textual message for the current class state.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>cupsd.conf</H3>
+
+<P>The cupsd.conf file consists of 1 or more lines of ASCII text. 
+Comment lines start with the pound ("#") character.
+
+<P>Each non-blank line starts with the name of a configuration directive
+followed by its value. The following directives are understood:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH WIDTH="25%">Directive</TH>
+	<TH>Default</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>AccessLog</TD>
+	<TD>access_log</TD>
+	<TD>Specifies the location of the access log file. The special name
+	"syslog" can be used to send access log information to the system
+	log.</TD>
+</TR>
+<TR>
+	<TD>Allow</TD>
+	<TD>-</TD>
+	<TD>Allows connections from the specified host, network, or
+	domain.</TD>
+</TR>
+<TR>
+	<TD>AuthClass</TD>
+	<TD>-</TD>
+	<TD>Specifies what level of authentication is required; may be
+	"User", "System", or "Group".</TD>
+</TR>
+<TR>
+	<TD>AuthType</TD>
+	<TD>None</TD>
+	<TD>Specifies the type of authentication to perform; may be
+	"None", "Basic", or "Digest".</TD>
+</TR>
+<TR>
+	<TD>BrowseAddress</TD>
+	<TD>255.255.255.255</TD>
+	<TD>Specifies a broadcast address to send CUPS browsing packets to.</TD>
+</TR>
+<TR>
+	<TD>BrowseAllow</TD>
+	<TD>-</TD>
+	<TD>Specifies hosts or addresses from which browsing information
+	should be used.</TD>
+</TR>
+<TR>
+	<TD>BrowseDeny</TD>
+	<TD>-</TD>
+	<TD>Specifies hosts or addresses from which browsing information
+	should not be used.</TD>
+</TR>
+<TR>
+	<TD>BrowseInterval</TD>
+	<TD>30</TD>
+	<TD>Specifies the number of seconds between browsing updates. A
+	browse interval of 0 seconds disables outgoing packets.</TD>
+</TR>
+<TR>
+	<TD>BrowseOrder</TD>
+	<TD>Allow,Deny</TD>
+	<TD>Specifies the order of BrowseAllow and BrowseDeny directive
+	processing; can be "Deny,Allow" to implicitly deny hosts unless
+	they are allowed by a BrowseAllow line, or "Allow,Deny" to
+	implicitly allow hosts unless they are denied by a BrowseDeny
+	line.</TD>
+</TR>
+<TR>
+	<TD>BrowsePoll</TD>
+	<TD>-</TD>
+	<TD>Specifies a server to poll for available printers and classes.</TD>
+</TR>
+<TR>
+	<TD>BrowsePort</TD>
+	<TD>631</TD>
+	<TD>Specifies the UDP port number to use for browse packets.</TD>
+</TR>
+<TR>
+	<TD>BrowseRelay</TD>
+	<TD>-</TD>
+	<TD>Specifies a source and destination address for relaying browser
+	information from one subnet to another.</TD>
+</TR>
+<TR>
+	<TD>BrowseShortNames</TD>
+	<TD>yes</TD>
+	<TD>Specifies whether or not to provide short names (without the
+	"@server" part) for remote printers.</TD>
+</TR>
+<TR>
+	<TD>BrowseTimeout</TD>
+	<TD>300</TD>
+	<TD>Specifies the number of seconds to wait until remote destinations
+	are removed from the local destination list.</TD>
+</TR>
+<TR>
+	<TD>Browsing</TD>
+	<TD>On</TD>
+	<TD>Specifies whether or not printer and class browsing is enabled; can
+	be "On" or "Off".</TD>
+</TR>
+<TR>
+	<TD>DataDir</TD>
+	<TD>/usr/share/cups</TD>
+	<TD>Specifies the directory where CUPS data files are stored.</TD>
+</TR>
+<TR>
+	<TD>DefaultCharset</TD>
+	<TD>iso-8859-1</TD>
+	<TD>Specifies the default character set.</TD>
+</TR>
+<TR>
+	<TD>DefaultLanguage</TD>
+	<TD>current locale</TD>
+	<TD>Specifies the default language.</TD>
+</TR>
+<TR>
+	<TD>Deny</TD>
+	<TD>-</TD>
+	<TD>Refuses connections from the specified host, network, or
+	domain.</TD>
+</TR>
+<TR>
+	<TD>DocumentRoot</TD>
+	<TD>/usr/share/doc/cups</TD>
+	<TD>Specifies the document data root directory.</TD>
+</TR>
+<TR>
+	<TD>ErrorLog</TD>
+	<TD>error_log</TD>
+	<TD>Specifies the error log file location. The special name
+	"syslog" can be used to send error log information to the system
+	log.</TD>
+</TR>
+<TR>
+	<TD>Group</TD>
+	<TD>root, sys, system</TD>
+	<TD>Specifies the group name or ID that is used when running
+	external programs.</TD>
+</TR>
+<TR>
+	<TD>HostNameLookups</TD>
+	<TD>Off</TD>
+	<TD>Specifies whether or not to perform reverse IP address lookups to
+	get the actual hostname; may be "On" or "Off". Hostname lookups can
+	significantly degrade the performance of the CUPS server if one or
+	more DNS servers is not functioning properly.</TD>
+</TR>
+<TR>
+	<TD>ImplicitClasses</TD>
+	<TD>On</TD>
+	<TD>Specifies whether or not to automatically create printer classes
+	when more than one printer or class of the same name is detected on
+	the network; may be "On" or "Off".</TD>
+</TR>
+<TR>
+	<TD>KeepAlive</TD>
+	<TD>On</TD>
+	<TD>Specifies whether or not to use the HTTP Keep-Alive feature; may
+	be "On" or "Off".</TD>
+</TR>
+<TR>
+	<TD>KeepAliveTimeout</TD>
+	<TD>30</TD>
+	<TD>Specifies the amount of time to keep the HTTP connection alive
+	before closing it.</TD>
+</TR>
+<TR>
+	<TD>&lt;Location path&gt;<BR>
+	&lt;/Location&gt;</TD>
+	<TD>-</TD>
+	<TD>Specifies a location to restrict access to.</TD>
+</TR>
+<TR>
+	<TD>LogLevel</TD>
+	<TD>info</TD>
+	<TD>Controls the amount of information that is logged in the
+	error log file. Can be one of "debug", "info", "warn", "error",
+	or "none", in decreasing order or verbosity.</TD>
+</TR>
+<TR>
+	<TD>MaxClients</TD>
+	<TD>100</TD>
+	<TD>Specifies the maximum number of simultaneous active clients.
+	This value is internally limited to 1/3 of the total number of
+	available file descriptors.</TD>
+</TR>
+<TR>
+	<TD>MaxLogSize</TD>
+	<TD>0</TD>
+	<TD>Specifies the maximum size of the access, error, and page
+	log files in bytes. If set to 0 then no maximum size is set.
+	Log files are rotated automatically when this size is
+	exceeded.</TD>
+</TR>
+<TR>
+	<TD>MaxRequestSize</TD>
+	<TD>0</TD>
+	<TD>Specifies the maximum size of HTTP requests in bytes. If set to 0
+	then there is no maximum.</TD>
+</TR>
+<TR>
+	<TD>Order</TD>
+	<TD>Allow,Deny</TD>
+	<TD>Specifies the order of Allow and Deny directive processing; can
+	be "Deny,Allow" to implicitly deny hosts unless they are allowed by
+	an Allow line, or "Allow,Deny" to implicitly allow hosts unless they
+	are denied by a Deny line.</TD>
+</TR>
+<TR>
+	<TD>PageLog</TD>
+	<TD>page_log</TD>
+	<TD>Specifies the location of the page log file. The special name
+	"syslog" can be used to send page log information to the system
+	log.</TD>
+</TR>
+<TR>
+	<TD>Port</TD>
+	<TD>631</TD>
+	<TD>Specifies a port number to listen to for HTTP connections.</TD>
+</TR>
+<TR>
+	<TD>Printcap</TD>
+	<TD>/etc/printcap</TD>
+	<TD>Specifies the location of a Berkeley printcap file to update
+	with a list of current printers and classes. If no filename is
+	supplied then this automatic generation is disabled.</TD>
+</TR>
+<TR>
+	<TD>RequestRoot</TD>
+	<TD>/var/spool/cups</TD>
+	<TD>Specifies the location of request files.</TD>
+</TR>
+<TR>
+	<TD>RIPCache</TD>
+	<TD>8m</TD>
+	<TD>Specifies the size of the memory cache in bytes that is used by
+	RIP filters.</TD>
+</TR>
+<TR>
+	<TD>ServerAdmin</TD>
+	<TD>root@ServerName</TD>
+	<TD>Specifies the person to contact with problems.</TD>
+</TR>
+<TR>
+	<TD>ServerName</TD>
+	<TD>hostname</TD>
+	<TD>Specifies the hostname that is supplied to HTTP clients. This
+	is also used to determine the default CUPS server for the CUPS IPP
+	client applications.</TD>
+</TR>
+<TR>
+	<TD>ServerRoot</TD>
+	<TD>/etc/cups</TD>
+	<TD>Specifies the root directory for server configuration files.</TD>
+</TR>
+<TR>
+	<TD>SystemGroup</TD>
+	<TD>root, sys, system</TD>
+	<TD>Specifies the group name used for System class authentication.</TD>
+</TR>
+<TR>
+	<TD>TempDir</TD>
+	<TD>/var/tmp</TD>
+	<TD>Specifies the temporary directory to use.</TD>
+</TR>
+<TR>
+	<TD>Timeout</TD>
+	<TD>300</TD>
+	<TD>The timeout in seconds before client connections are closed
+	in the middle of a request.</TD>
+</TR>
+<TR>
+	<TD>User</TD>
+	<TD>lp</TD>
+	<TD>Specifies the user that is used when running external programs.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>printers.conf</H3>
+
+<P>The printers.conf file consists of 1 or more lines of ASCII text. 
+Comment lines start with the pound ("#") character.
+
+<P>Each non-blank line starts with the name of a configuration directive
+followed by its value. The following directives are understood:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH WIDTH="25%">Directive</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>Accepting</TD>
+	<TD>Specifies whether the printer is accepting new jobs. May be
+	the names "Yes" or "No".</TD>
+</TR>
+<TR>
+	<TD>&lt;DefaultPrinter name&gt;<BR>
+	&lt;/Printer&gt;</TD>
+	<TD>Surrounds the printer definition for a default destination.</TD>
+</TR>
+<TR>
+	<TD>AllowUsers</TD>
+	<TD>Specifies a list of users that are allowed to access the printer.</TD>
+</TR>
+<TR>
+	<TD>BannerStart</TD>
+	<TD>Specifies the banner that is printed before other files in a
+	job.</TD>
+</TR>
+<TR>
+	<TD>BannerEnd</TD>
+	<TD>Specifies the banner that is printed after other files in a
+	job.</TD>
+</TR>
+<TR>
+	<TD>DenyUsers</TD>
+	<TD>Specifies a list of users that are not allowed to access the
+	printer.</TD>
+</TR>
+<TR>
+	<TD>DeviceURI</TD>
+	<TD>Specifies the device-uri attribute for the printer.</TD>
+</TR>
+<TR>
+	<TD>Info</TD>
+	<TD>A textual description of the printer.</TD>
+</TR>
+<TR>
+	<TD>Location</TD>
+	<TD>A textual location of the printer.</TD>
+</TR>
+<TR>
+	<TD>&lt;Printer name&gt;<BR>
+	&lt;/Printer&gt;</TD>
+	<TD>Surrounds the printer definition.</TD>
+</TR>
+<TR>
+	<TD>State</TD>
+	<TD>Specifies the initial state of the printer; can be "Idle" or
+	"Stopped".</TD>
+</TR>
+<TR>
+	<TD>StateMessage</TD>
+	<TD>Specifies a textual message for the current printer state.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H1>External Interfaces</H1>
+
+<H2>AppSocket Protocol</H2>
+
+<P>The AppSocket protocol is an 8-bit clean TCP/IP socket connection.
+The default IP service port is 9100. The URI method name is "socket".
+
+<P>The AppSocket protocol is used by the Hewlett Packard JetDirect
+network interfaces and print servers, as well as many other vendors'
+products. See the CUPS Software Administrators Manual for a list of
+supported products.
+
+<H2>CUPS Browsing Protocol</H2>
+
+<P>The CUPS Browsing Protocol is a UDP/IP-based broadcast service. By default
+this service operates on IP service port 631.
+
+<P>Each broadcast packet describes the state of a single printer or class and
+is an ASCII text string of up to 1450 bytes ending with a newline (0x0a). The
+string is formatted as follows:
+
+<UL><PRE>
+type SP state SP uri SP "location" SP "info" SP "make-and-model" NL
+</PRE></UL>
+
+<P><VAR>State, uri, location, info</VAR>, and <VAR>make-and-model</VAR>,
+correspond to the IPP <CODE>printer-state</CODE>,
+<CODE>printer-uri-supported</CODE>, <CODE>printer-location</CODE>,
+<CODE>printer-info</CODE>, and <CODE>printer-make-and-model</CODE>
+attributes.
+
+<P><VAR>Type</VAR> is a hexadecimal number string representing
+capability/type bits:
+
+<CENTER><TABLE WIDTH="40%" BORDER="1">
+<TR>
+	<TH WIDTH="8%">Bit</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>0</TD>
+	<TD>0 = printer<BR>
+	1 = class</TD>
+</TR>
+<TR>
+	<TD>1</TD>
+	<TD>0 = local<BR>
+	1 = remote<BR>
+	(always 1)</TD>
+</TR>
+<TR>
+	<TD>2</TD>
+	<TD>1 = can print B&W</TD>
+</TR>
+<TR>
+	<TD>3</TD>
+	<TD>1 = can print color</TD>
+</TR>
+<TR>
+	<TD>4</TD>
+	<TD>1 = can duplex</TD>
+</TR>
+<TR>
+	<TD>5</TD>
+	<TD>1 = can staple</TD>
+</TR>
+<TR>
+	<TD>6</TD>
+	<TD>1 = can do fast copies</TD>
+</TR>
+<TR>
+	<TD>7</TD>
+	<TD>1 = can do fast collating</TD>
+</TR>
+<TR>
+	<TD>8</TD>
+	<TD>1 = can punch holes</TD>
+</TR>
+<TR>
+	<TD>9</TD>
+	<TD>1 = can cover</TD>
+</TR>
+<TR>
+	<TD>10</TD>
+	<TD>1 = can bind</TD>
+</TR>
+<TR>
+	<TD>11</TD>
+	<TD>1 = can sort</TD>
+</TR>
+<TR>
+	<TD>12</TD>
+	<TD>1 = can print up to 9x14 inches</TD>
+</TR>
+<TR>
+	<TD>13</TD>
+	<TD>1 = can print up to 18x24 inches</TD>
+</TR>
+<TR>
+	<TD>14</TD>
+	<TD>1 = can print up to 36x48 inches</TD>
+</TR>
+<TR>
+	<TD>15</TD>
+	<TD>1 = can print variable sizes</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>CUPS Form File</H2>
+
+<P>CUPS Form files are XML files used by the CUPS <CODE>formtops</CODE>
+filter to produce dynamic banner pages and support preprinted forms.
+
+<P>The MIME type for CUPS Form files is
+<CODE>application/vnd.cups-form</CODE>.
+
+<H3>CUPS Form DTD</H3>
+
+<P>The following DTD describes the available elements and attributes in
+a CUPS Form file:
+
+<CENTER><TABLE BORDER>
+<TR>
+<TD><PRE>
+&lt;!ENTITY % Angle "CDATA" -- angle in degrees -->
+
+&lt;!ENTITY % Color "CDATA" -- a color using sRGB: #RRGGBB as Hex values -->
+
+&lt;!ENTITY % Length "CDATA" -- nn for pixels or nn% for percentage length -->
+
+&lt;!ENTITY % Lengths "CDATA" -- comma-separated Length values -->
+
+&lt;!ENTITY % Text "CDATA">
+
+&lt;!ENTITY % heading "H1|H2|H3|H4|H5|H6">
+
+&lt;!ENTITY % preformatted "PRE">
+
+&lt;!ENTITY % i18n
+ "lang        %LanguageCode; #IMPLIED  -- language code --
+  dir         (ltr|rtl)      #IMPLIED  -- direction for weak/neutral text --"
+  >
+
+&lt;!ENTITY % attrs "%i18n;">
+
+&lt;!ENTITY % fontstyle
+ "B | FONT | I | TT">
+
+&lt;!ENTITY % graphics
+ "BOX | RECT | LINE | POLY | ARC | PIE | TEXT">
+
+&lt;!ENTITY % insert
+ "IMG | VAR">
+
+&lt;!-- %inline; covers inline or "text-level" elements -->
+&lt;!ENTITY % inline "#PCDATA | %fontstyle; | %graphics; | %insert;">
+
+&lt;!ELEMENT (%fontstyle;) - - (%inline;)*>
+&lt;!ATTLIST (%fontstyle;)
+  %attrs;                              -- %i18n --
+  >
+
+&lt;!ELEMENT BR - O EMPTY                 -- forced line break -->
+&lt;!ATTLIST BR
+  %attrs;                              -- %i18n --
+  >
+
+&lt;!ENTITY % block
+     "P | %heading; | %preformatted;">
+
+&lt;!ENTITY % flow "%block; | %inline;">
+
+&lt;!ELEMENT PAGE O O (%flow;)+           -- document body -->
+&lt;!ATTLIST PAGE
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  valign      (top|middle|center|bottom) #IMPLIED -- vertical alignment --
+  >
+
+&lt;!ELEMENT P - O (%inline;)*            -- paragraph -->
+&lt;!ATTLIST P
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  >
+
+&lt;!ELEMENT (%heading;)  - - (%inline;)* -- heading -->
+&lt;!ATTLIST (%heading;)
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  >
+
+&lt;!ELEMENT PRE - - (%inline;)*          -- preformatted text -->
+&lt;!ATTLIST PRE
+  %attrs;                              -- %i18n --
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  >
+
+&lt;!ELEMENT BOX - O EMPTY                -- unfilled box -->
+&lt;!ATTLIST BOX
+  color       %Color;        #IMPLIED  -- override color --
+  height      %Length;       #REQUIRED -- height of box --
+  thickness   %Length;       #IMPLIED  -- override line thickness --
+  width       %Length;       #REQUIRED -- width of box --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  >
+
+&lt;!ELEMENT RECT - O EMPTY               -- filled box -->
+&lt;!ATTLIST RECT
+  color       %Color;        #IMPLIED  -- override color --
+  height      %Length;       #REQUIRED -- height of box --
+  width       %Length;       #REQUIRED -- width of box --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  >
+
+&lt;!ELEMENT LINE - O EMPTY               -- polyline -->
+&lt;!ATTLIST LINE
+  color       %Color;        #IMPLIED  -- override color --
+  thickness   %Length;       #IMPLIED  -- override line thickness --
+  x           %Lengths;      #REQUIRED -- horizontal positions --
+  y           %Lengths;      #REQUIRED -- vertical positions --
+  >
+
+&lt;!ELEMENT POLY - O EMPTY               -- polygon (filled) -->
+&lt;!ATTLIST POLY
+  color       %Color;        #IMPLIED  -- override color --
+  x           %Lengths;      #REQUIRED -- horizontal positions --
+  y           %Lengths;      #REQUIRED -- vertical positions --
+  >
+
+&lt;!ELEMENT ARC - O EMPTY                -- unfilled arc -->
+&lt;!ATTLIST ARC
+  color       %Color;        #IMPLIED  -- override color --
+  end         %Angle;        #IMPLIED  -- override end angle --
+  height      %Length;       #REQUIRED -- height of arc --
+  start       %Angle;        #IMPLIED  -- override start angle --
+  thickness   %Length;       #IMPLIED  -- override line thickness --
+  width       %Length;       #REQUIRED -- width of arc --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  >
+
+&lt;!ELEMENT PIE - O EMPTY                -- filled arc -->
+&lt;!ATTLIST PIE
+  color       %Color;        #IMPLIED  -- override color --
+  end         %Angle;        #IMPLIED  -- override end angle --
+  height      %Length;       #REQUIRED -- height of arc --
+  start       %Angle;        #IMPLIED  -- override start angle --
+  width       %Length;       #REQUIRED -- width of arc --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  >
+
+&lt;!ELEMENT TEXT - - (%flow;)*           -- text box -->
+&lt;!ATTLIST RECT
+  align       (left|center|right) #IMPLIED -- horizontal alignment --
+  height      %Length;       #REQUIRED -- height of box --
+  valign      (top|middle|center|bottom) #IMPLIED -- vertical alignment --
+  width       %Length;       #REQUIRED -- width of box --
+  x           %Length;       #REQUIRED -- horizontal position --
+  y           %Length;       #REQUIRED -- vertical position --
+  >
+
+
+&lt;!ELEMENT IMG - O EMPTY                -- Embedded image -->
+&lt;!ATTLIST IMG
+  %attrs;                              -- %coreattrs, %i18n, %events --
+  src         %URI;          #REQUIRED -- URI of image to embed --
+  height      %Length;       #IMPLIED  -- override height --
+  width       %Length;       #IMPLIED  -- override width --
+  >
+
+&lt;!ELEMENT HEAD O O (DEFVAR)*           -- document head -->
+&lt;!ATTLIST HEAD
+  %i18n;                               -- lang, dir --
+  >
+
+&lt;!ELEMENT DEFVAR - O EMPTY             -- variable definition -->
+&lt;!ATTLIST DEFVAR
+  name        CDATA          #REQUIRED -- name
+  value       CDATA          #REQUIRED -- value
+  >
+
+
+&lt;!ENTITY % html.content "HEAD, PAGE">
+
+&lt;!ELEMENT CUPSFORM - - (HEAD) (PAGE)+  -- document root element -->
+&lt;!ATTLIST CUPSFORM
+  %i18n;                               -- lang, dir --
+  >
+</PRE></TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>CUPS PostScript File</H2>
+
+<P>CUPS PostScript files are device-dependent Adobe PostScript program files.
+The PostScript language is described in the
+<A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference Manual, Third Edition</A>.
+
+<P>The MIME type for CUPS PostScript files is
+<CODE>application/vnd.cups-postscript</CODE>.
+
+<H2>CUPS Raster File</H2>
+
+<P>CUPS raster files are device-dependent raster image files that contain a
+PostScript page device dictionary and device-dependent raster imagery for
+each page in the document. These files are used to transfer raster data
+from the PostScript and image file RIPs to device-dependent filters that
+convert the raster data to a printable format.
+
+<P>A raster file begins with a four byte synchronization word: 0x52615374
+("RaSt") for big-endian architectures and 0x74536152 ("tSaR") for little-endian
+architectures.  The writer of the raster file will use the native word order,
+and the reader is responsible for detecting a reversed word order file and
+swapping bytes as needed. The CUPS Image Library raster functions perform
+this function automatically.
+
+<P>Following the synchronization word are a series of raster pages.  Each page
+starts with a page device dictionary header and is followed immediately by the
+raster data for that page.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1">
+<TR>
+	<TH WIDTH="10%">Bytes</TH>
+	<TH WIDTH="20%">Description</TH>
+	<TH>Values</TH>
+</TR>
+<TR>
+	<TD>0-63</TD>
+	<TD>MediaClass</TD>
+	<TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR>
+	<TD>64-127</TD>
+	<TD>MediaColor</TD>
+	<TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR>
+	<TD>128-191</TD>
+	<TD>MediaType</TD>
+	<TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR>
+	<TD>192-255</TD>
+	<TD>OutputType</TD>
+	<TD>Nul-terminated ASCII string</TD>
+</TR>
+<TR>
+	<TD>256-259</TD>
+	<TD>AdvanceDistance</TD>
+	<TD>0 to 2<SUP>32</SUP> - 1 points</TD>
+</TR>
+<TR>
+	<TD>260-263</TD>
+	<TD>AdvanceMedia</TD>
+	<TD>0 = Never advance roll<BR>
+	1 = Advance roll after file<BR>
+	2 = Advance roll after job<BR>
+	3 = Advance roll after set<BR>
+	4 = Advance roll after page</TD>
+</TR>
+<TR>
+	<TD>264-267</TD>
+	<TD>Collate</TD>
+	<TD>0 = do not collate copies<BR>
+	1 = collate copies</TD>
+</TR>
+<TR>
+	<TD>268-271</TD>
+	<TD>CutMedia</TD>
+	<TD>0 = Never cut media<BR>
+	1 = Cut roll after file<BR>
+	2 = Cut roll after job<BR>
+	3 = Cut roll after set<BR>
+	4 = Cut roll after page</TD>
+</TR>
+<TR>
+	<TD>272-275</TD>
+	<TD>Duplex</TD>
+	<TD>0 = Print single-sided<BR>
+	1 = Print double-sided</TD>
+</TR>
+<TR>
+	<TD>276-283</TD>
+	<TD>HWResolution</TD>
+	<TD>Horizontal and vertical resolution in dots-per-inch.</TD>
+</TR>
+<TR>
+	<TD>284-299</TD>
+	<TD>ImagingBoundingBox</TD>
+	<TD>Four integers giving the left, bottom, right, and top positions
+	of the page bounding box in points</TD>
+</TR>
+<TR>
+	<TD>300-303</TD>
+	<TD>InsertSheet</TD>
+	<TD>0 = Do not insert separator sheets<BR>
+	1 = Insert separator sheets</TD>
+</TR>
+<TR>
+	<TD>304-307</TD>
+	<TD>Jog</TD>
+	<TD>0 = Do no jog pages<BR>
+	1 = Jog pages after file<BR>
+	2 = Jog pages after job<BR>
+	3 = Jog pages after set</TD>
+</TR>
+<TR>
+	<TD>308-311</TD>
+	<TD>LeadingEdge</TD>
+	<TD>0 = Top edge is first<BR>
+	1 = Right edge is first<BR>
+	2 = Bottom edge is first<BR>
+	3 = Left edge is first</TD>
+</TR>
+<TR>
+	<TD>312-319</TD>
+	<TD>Margins</TD>
+	<TD>Left and bottom origin of image in points</TD>
+</TR>
+<TR>
+	<TD>320-323</TD>
+	<TD>ManualFeed</TD>
+	<TD>0 = Do not manually feed media<BR>
+	1 = Manually feed media</TD>
+</TR>
+<TR>
+	<TD>324-327</TD>
+	<TD>MediaPosition</TD>
+	<TD>Input slot position from 0 to N</TD>
+</TR>
+<TR>
+	<TD>328-331</TD>
+	<TD>MediaWeight</TD>
+	<TD>Media weight in grams per meter squared</TD>
+</TR>
+<TR>
+	<TD>332-335</TD>
+	<TD>MirrorPrint</TD>
+	<TD>0 = Do not mirror prints<BR>
+	1 = Mirror prints</TD>
+</TR>
+<TR>
+	<TD>336-339</TD>
+	<TD>NegativePrint</TD>
+	<TD>0 = Do not invert prints<BR>
+	1 = Invert prints</TD>
+</TR>
+<TR>
+	<TD>340-343</TD>
+	<TD>NumCopies</TD>
+	<TD>1 to 2<SUP>32</SUP> - 1</TD>
+</TR>
+<TR>
+	<TD>344-347</TD>
+	<TD>Orientation</TD>
+	<TD>0 = Do not rotate page<BR>
+	1 = Rotate page counter-clockwise<BR>
+	2 = Turn page upside down<BR>
+	3 = Rotate page clockwise</TD>
+</TR>
+<TR>
+	<TD>348-351</TD>
+	<TD>OutputFaceUp</TD>
+	<TD>0 = Output face down<BR>
+	1 = Output face up</TD>
+</TR>
+<TR>
+	<TD>352-359</TD>
+	<TD>PageSize</TD>
+	<TD>Width and length in points</TD>
+</TR>
+<TR>
+	<TD>360-363</TD>
+	<TD>Separations</TD>
+	<TD>0 = Print composite image<BR>
+	1 = Print color separations</TD>
+</TR>
+<TR>
+	<TD>364-367</TD>
+	<TD>TraySwitch</TD>
+	<TD>0 = Do not change trays if selected tray is empty<BR>
+	1 = Change trays if selected tray is empty</TD>
+</TR>
+<TR>
+	<TD>368-371</TD>
+	<TD>Tumble</TD>
+	<TD>0 = Do not rotate even pages when duplexing<BR>
+	1 = Rotate even pages when duplexing</TD>
+</TR>
+<TR>
+	<TD>372-375</TD>
+	<TD>cupsWidth</TD>
+	<TD>Width of page image in pixels</TD>
+</TR>
+<TR>
+	<TD>376-379</TD>
+	<TD>cupsHeight</TD>
+	<TD>Height of page image in pixels</TD>
+</TR>
+<TR>
+	<TD>380-383</TD>
+	<TD>cupsMediaType</TD>
+	<TD>Driver-specific 0 to 2<SUP>32</SUP> - 1</TD>
+</TR>
+<TR>
+	<TD>384-387</TD>
+	<TD>cupsBitsPerColor</TD>
+	<TD>1, 2, 4, 8 bits</TD>
+</TR>
+<TR>
+	<TD>388-391</TD>
+	<TD>cupsBitsPerPixel</TD>
+	<TD>1 to 32 bits</TD>
+</TR>
+<TR>
+	<TD>392-395</TD>
+	<TD>cupsBytesPerLine</TD>
+	<TD>1 to 2<SUP>32</SUP> - 1 bytes</TD>
+</TR>
+<TR>
+	<TD>396-399</TD>
+	<TD>cupsColorOrder</TD>
+	<TD>0 = chunky pixels (CMYK CMYK CMYK)<BR>
+	1 = banded pixels (CCC MMM YYY KKK)<BR>
+	2 = planar pixels (CCC... MMM... YYY... KKK...)</TD>
+</TR>
+<TR>
+	<TD>400-403</TD>
+	<TD>cupsColorSpace</TD>
+	<TD>0 = white<BR>
+	1 = RGB<BR>
+	2 = RGBA<BR>
+	3 = black<BR>
+	4 = CMY<BR>
+	5 = YMC<BR>
+	6 = CMYK<BR>
+	7 = YMCK<BR>
+	8 = KCMY<BR>
+	9 = KCMYcm</TD>
+</TR>
+<TR>
+	<TD>404-407</TD>
+	<TD>cupsCompression</TD>
+	<TD>Driver-specific 0 to 2<SUP>32</SUP> - 1</TD>
+</TR>
+<TR>
+	<TD>408-411</TD>
+	<TD>cupsRowCount</TD>
+	<TD>Driver-specific 0 to 2<SUP>32</SUP> - 1</TD>
+</TR>
+<TR>
+	<TD>412-415</TD>
+	<TD>cupsRowFeed</TD>
+	<TD>Driver-specific 0 to 2<SUP>32</SUP> - 1</TD>
+</TR>
+<TR>
+	<TD>416-419</TD>
+	<TD>cupsRowStep</TD>
+	<TD>Driver-specific 0 to 2<SUP>32</SUP> - 1</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>The MIME type for CUPS Raster files is
+<CODE>application/vnd.cups-raster</CODE>.
+
+<H2>CUPS Raw Files</H2>
+
+<P>Raw files are printer-dependent print files that are in a format suitable
+to the destination printer (e.g. HP-PCL, HP-RTL, etc.) The MIME type for CUPS
+Raw files is <CODE>application/vnd.cups-raw</CODE>.
+
+<H2>Internet Printing Protocol</H2>
+
+<P>The Internet Printing Protocol and the CUPS extensions to it are
+described in the CUPS Implementation of IPP document.
+
+<H2>Line Printer Daemon Protocol</H2>
+
+<P>The Line Printer Daemon (LPD) protocol is described by
+<A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179: Line Printer Daemon
+Protocol</A>.
+
+<P>The URI method name for LPD is "lpd".
+
+<H2>Server Message Block Protocol</H2>
+
+<P>The Server Message Block (SMB) and related Common Internet File
+System (CIFS) protocols are described at
+<A HREF="http://anu.samba.org/cifs">http://anu.samba.org/cifs</A>.
+
+<P>The URI method name for SMB is "smb". Support for this protocol is
+provided via the SAMBA <CODE>smbspool(1)</CODE> program provided with
+SAMBA 2.0.6 and higher.
+
+<H1>Directories</H1>
+
+<DL>
+
+	<DT>/etc/cups
+	<DD>The scheduler configuration and MIME files reside here.
+
+	<DT>/etc/cups/certs
+	<DD>The authentication certificates reside here.
+
+	<DT>/etc/cups/interfaces
+	<DD>System V interface scripts reside here.
+
+	<DT>/etc/cups/ppd
+	<DD>This directory contains PPD files for each printer.
+
+	<DT>/usr/bin
+	<DD>The <CODE>cancel</CODE>, <CODE>lp</CODE>, <CODE>lpq</CODE>,
+	<CODE>lpr</CODE>, <CODE>lprm</CODE>, and <CODE>lpstat</CODE> commands
+	reside here.
+
+	<DT>/usr/lib, /usr/lib32
+	<DD>The shared libraries (DSOs) reside here.
+
+	<DT>/usr/lib/cups/backend
+	<DD>The backend filters reside here.
+
+	<DT>/usr/lib/cups/cgi-bin
+	<DD>The CGI programs reside here.
+
+	<DT>/usr/lib/cups/daemon
+	<DD>The polling and LPD daemons reside here.
+
+	<DT>/usr/lib/cups/filter
+	<DD>The file filters reside here.
+
+	<DT>/usr/sbin
+	<DD>The <CODE>accept</CODE>, <CODE>cupsd</CODE>,
+	<CODE>lpadmin</CODE>, <CODE>lpc</CODE>, and <CODE>reject</CODE>
+	commands reside here.
+
+	<DT>/usr/share/cups
+	<DD>This is the root directory of the CUPS static data.
+
+	<DT>/usr/share/cups/charsets
+	<DD>The character set files reside here.
+
+	<DT>/usr/share/cups/data
+	<DD>The filter data files reside here.
+
+	<DT>/usr/share/cups/fonts
+	<DD>The <CODE>pstoraster</CODE> font files reside here.
+
+	<DT>/usr/share/cups/model
+	<DD>The sample PPD files reside here.
+
+	<DT>/usr/share/cups/pstoraster
+	<DD>The <CODE>pstoraster</CODE> data files reside here.
+
+	<DT>/usr/share/doc/cups
+	<DD>The scheduler documentation files reside here.
+
+	<DT>/var/log/cups
+	<DD>The <CODE>access_log</CODE>, <CODE>error_log</CODE>, and
+	<CODE>page_log</CODE> files reside here.
+
+	<DT>/var/spool/cups
+	<DD>This directory contains print job files.
+
+</DL>
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
diff --git a/doc/images/accept-jobs.gif b/doc/images/accept-jobs.gif
new file mode 100644
index 000000000..9da7a0dce
--- /dev/null
+++ b/doc/images/accept-jobs.gif
diff --git a/doc/images/add-class.gif b/doc/images/add-class.gif
new file mode 100644
index 000000000..0f43a6fcd
--- /dev/null
+++ b/doc/images/add-class.gif
diff --git a/doc/images/add-printer.gif b/doc/images/add-printer.gif
new file mode 100644
index 000000000..90d17eb3f
--- /dev/null
+++ b/doc/images/add-printer.gif
diff --git a/doc/images/cancel-job.gif b/doc/images/cancel-job.gif
new file mode 100644
index 000000000..3cc1e23bc
--- /dev/null
+++ b/doc/images/cancel-job.gif
diff --git a/doc/images/cancel-jobs.gif b/doc/images/cancel-jobs.gif
new file mode 100644
index 000000000..2384b903c
--- /dev/null
+++ b/doc/images/cancel-jobs.gif
diff --git a/doc/images/cancel.gif b/doc/images/cancel.gif
new file mode 100644
index 000000000..e99460678
--- /dev/null
+++ b/doc/images/cancel.gif
diff --git a/doc/images/classes.gif b/doc/images/classes.gif
new file mode 100644
index 000000000..ace15df98
--- /dev/null
+++ b/doc/images/classes.gif
diff --git a/doc/images/config-printer.gif b/doc/images/config-printer.gif
new file mode 100644
index 000000000..22849db7d
--- /dev/null
+++ b/doc/images/config-printer.gif
diff --git a/doc/images/continue.gif b/doc/images/continue.gif
new file mode 100644
index 000000000..ff774adb3
--- /dev/null
+++ b/doc/images/continue.gif
diff --git a/doc/images/cups-block-diagram.gif b/doc/images/cups-block-diagram.gif
new file mode 100644
index 000000000..2fe505e44
--- /dev/null
+++ b/doc/images/cups-block-diagram.gif
diff --git a/doc/images/cups-large.gif b/doc/images/cups-large.gif
new file mode 100644
index 000000000..fc66ef07c
--- /dev/null
+++ b/doc/images/cups-large.gif
diff --git a/doc/images/cups-medium.gif b/doc/images/cups-medium.gif
new file mode 100644
index 000000000..c45ed6ab9
--- /dev/null
+++ b/doc/images/cups-medium.gif
diff --git a/doc/images/cups-small.gif b/doc/images/cups-small.gif
new file mode 100644
index 000000000..6adb4a29f
--- /dev/null
+++ b/doc/images/cups-small.gif
diff --git a/doc/images/delete-class.gif b/doc/images/delete-class.gif
new file mode 100644
index 000000000..81b1465ac
--- /dev/null
+++ b/doc/images/delete-class.gif
diff --git a/doc/images/delete-printer.gif b/doc/images/delete-printer.gif
new file mode 100644
index 000000000..41ce85d78
--- /dev/null
+++ b/doc/images/delete-printer.gif
diff --git a/doc/images/draft.gif b/doc/images/draft.gif
new file mode 100644
index 000000000..77d9716ab
--- /dev/null
+++ b/doc/images/draft.gif
diff --git a/doc/images/hold-job.gif b/doc/images/hold-job.gif
new file mode 100644
index 000000000..ebd448ae9
--- /dev/null
+++ b/doc/images/hold-job.gif
diff --git a/doc/images/left.gif b/doc/images/left.gif
new file mode 100644
index 000000000..fd7b04104
--- /dev/null
+++ b/doc/images/left.gif
diff --git a/doc/images/logo.gif b/doc/images/logo.gif
new file mode 100644
index 000000000..9999795ca
--- /dev/null
+++ b/doc/images/logo.gif
diff --git a/doc/images/manage-classes.gif b/doc/images/manage-classes.gif
new file mode 100644
index 000000000..69d5b0147
--- /dev/null
+++ b/doc/images/manage-classes.gif
diff --git a/doc/images/manage-jobs.gif b/doc/images/manage-jobs.gif
new file mode 100644
index 000000000..adaff856f
--- /dev/null
+++ b/doc/images/manage-jobs.gif
diff --git a/doc/images/manage-printers.gif b/doc/images/manage-printers.gif
new file mode 100644
index 000000000..cd897291d
--- /dev/null
+++ b/doc/images/manage-printers.gif
diff --git a/doc/images/modify-class.gif b/doc/images/modify-class.gif
new file mode 100644
index 000000000..58a0ead82
--- /dev/null
+++ b/doc/images/modify-class.gif
diff --git a/doc/images/modify-printer.gif b/doc/images/modify-printer.gif
new file mode 100644
index 000000000..593b5f881
--- /dev/null
+++ b/doc/images/modify-printer.gif
diff --git a/doc/images/navbar.gif b/doc/images/navbar.gif
new file mode 100644
index 000000000..c19f634c0
--- /dev/null
+++ b/doc/images/navbar.gif
diff --git a/doc/images/navbar.xcf.gz b/doc/images/navbar.xcf.gz
new file mode 100644
index 000000000..28438a6bb
--- /dev/null
+++ b/doc/images/navbar.xcf.gz
diff --git a/doc/images/print-test-page.gif b/doc/images/print-test-page.gif
new file mode 100644
index 000000000..807dca10e
--- /dev/null
+++ b/doc/images/print-test-page.gif
diff --git a/doc/images/printer-idle.gif b/doc/images/printer-idle.gif
new file mode 100644
index 000000000..68d990c62
--- /dev/null
+++ b/doc/images/printer-idle.gif
diff --git a/doc/images/printer-processing.gif b/doc/images/printer-processing.gif
new file mode 100644
index 000000000..a9a23f795
--- /dev/null
+++ b/doc/images/printer-processing.gif
diff --git a/doc/images/printer-stopped.gif b/doc/images/printer-stopped.gif
new file mode 100644
index 000000000..76f45649b
--- /dev/null
+++ b/doc/images/printer-stopped.gif
diff --git a/doc/images/reject-jobs.gif b/doc/images/reject-jobs.gif
new file mode 100644
index 000000000..6d938e308
--- /dev/null
+++ b/doc/images/reject-jobs.gif
diff --git a/doc/images/release-job.gif b/doc/images/release-job.gif
new file mode 100644
index 000000000..a05cd9cc7
--- /dev/null
+++ b/doc/images/release-job.gif
diff --git a/doc/images/restart-job.gif b/doc/images/restart-job.gif
new file mode 100644
index 000000000..a007efc5b
--- /dev/null
+++ b/doc/images/restart-job.gif
diff --git a/doc/images/right.gif b/doc/images/right.gif
new file mode 100644
index 000000000..8ae8213ce
--- /dev/null
+++ b/doc/images/right.gif
diff --git a/doc/images/show-active.gif b/doc/images/show-active.gif
new file mode 100644
index 000000000..d232ef9f8
--- /dev/null
+++ b/doc/images/show-active.gif
diff --git a/doc/images/show-completed.gif b/doc/images/show-completed.gif
new file mode 100644
index 000000000..efd206cd5
--- /dev/null
+++ b/doc/images/show-completed.gif
diff --git a/doc/images/start-class.gif b/doc/images/start-class.gif
new file mode 100644
index 000000000..2b6f43fad
--- /dev/null
+++ b/doc/images/start-class.gif
diff --git a/doc/images/start-printer.gif b/doc/images/start-printer.gif
new file mode 100644
index 000000000..017bb394a
--- /dev/null
+++ b/doc/images/start-printer.gif
diff --git a/doc/images/stop-class.gif b/doc/images/stop-class.gif
new file mode 100644
index 000000000..5cb7adfd8
--- /dev/null
+++ b/doc/images/stop-class.gif
diff --git a/doc/images/stop-printer.gif b/doc/images/stop-printer.gif
new file mode 100644
index 000000000..b3accf3df
--- /dev/null
+++ b/doc/images/stop-printer.gif
diff --git a/doc/index.html b/doc/index.html
new file mode 100644
index 000000000..051abb5b8
--- /dev/null
+++ b/doc/index.html
@@ -0,0 +1,36 @@
+<HTML>
+<HEAD>
+	<TITLE>Common UNIX Printing System</TITLE>
+	<LINK REL=STYLESHEET TYPE="text/css" HREF="cups.css">
+	<MAP NAME="navbar">
+		<AREA SHAPE="RECT" COORDS="12,10,50,20" HREF="http://www.easysw.com" ALT="Easy Software Products Home Page">
+		<AREA SHAPE="RECT" COORDS="82,10,196,20" HREF="/admin" ALT="Do Administration Tasks">
+		<AREA SHAPE="RECT" COORDS="216,10,280,20" HREF="/classes" ALT="Manage Printer Classes Status">
+		<AREA SHAPE="RECT" COORDS="300,10,336,20" HREF="/documentation.html" ALT="On-Line Help">
+		<AREA SHAPE="RECT" COORDS="356,10,394,20" HREF="/jobs" ALT="Manage Jobs">
+		<AREA SHAPE="RECT" COORDS="414,10,476,20" HREF="/printers" ALT="Manage Printers">
+		<AREA SHAPE="RECT" COORDS="496,10,568,20" HREF="http://www.cups.org" ALT="Download the Current CUPS Software">
+        </MAP>
+</HEAD>
+
+<BODY BGCOLOR="#cccc99" TEXT="#000000" LINK="#0000FF" VLINK="#FF00FF">
+<CENTER>
+<IMG SRC="/images/navbar.gif" WIDTH="583" HEIGHT="30" USEMAP="#navbar" BORDER="0" ALT="Common UNIX Printing System">
+</CENTER>
+
+<H1><A HREF="admin">Do Administration Tasks</A></H1>
+<H1><A HREF="classes">Manage Printer Classes</A></H1>
+<H1><A HREF="documentation.html">On-Line Help</A></H1>
+<H1><A HREF="jobs">Manage Jobs</A></H1>
+<H1><A HREF="printers">Manage Printers</A></H1>
+<H1><A HREF="http://www.cups.org">Download the Current CUPS Software</A></H1>
+
+<HR>
+
+<P>The Common UNIX Printing System, CUPS, and the CUPS logo are the
+trademark property of <A HREF="http://www.easysw.com">Easy Software
+Products</A>. CUPS is copyright 1997-2002 by Easy Software Products,
+All Rights Reserved.
+
+</BODY>
+</HTML>
diff --git a/doc/ipp.html b/doc/ipp.html
new file mode 100644
index 000000000..f130789ee
--- /dev/null
+++ b/doc/ipp.html
@@ -0,0 +1,1442 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Implementation of IPP</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002 All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-IPP-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Implementation of IPP</H1></A><BR>
+CUPS-IPP-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002 All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Overview</A></B>
+<UL>
+<LI><A HREF="#3_1">3.1 IPP URIs</A></LI>
+<LI><A HREF="#3_2">3.2 CUPS IPP Operations</A></LI>
+</UL>
+<B><A HREF="#4">4 Operations</A></B>
+<UL>
+<LI><A HREF="#4_1">4.1 Print-Job Operation</A></LI>
+<UL>
+<LI><A HREF="#4_1_1">4.1.1 Print-Job Request</A></LI>
+<LI><A HREF="#4_1_2">4.1.2 Print-Job Response</A></LI>
+</UL>
+<LI><A HREF="#4_2">4.2 Create-Job Operation</A></LI>
+<UL>
+<LI><A HREF="#4_2_1">4.2.1 Create-Job Request</A></LI>
+<LI><A HREF="#4_2_2">4.2.2 Create-Job Response</A></LI>
+</UL>
+<LI><A HREF="#4_3">4.3 Set-Job-Attributes Operation</A></LI>
+<UL>
+<LI><A HREF="#4_3_1">4.3.1 Set-Job-Attributes Request</A></LI>
+<LI><A HREF="#4_3_2">4.3.2 Set-Job-Attributes Response</A></LI>
+</UL>
+<LI><A HREF="#4_4">4.4 CUPS-Get-Default Operation</A></LI>
+<UL>
+<LI><A HREF="#4_4_1">4.4.1 CUPS-Get-Default Request</A></LI>
+<LI><A HREF="#4_4_2">4.4.2 CUPS-Get-Default Response</A></LI>
+</UL>
+<LI><A HREF="#4_5">4.5 CUPS-Get-Printers Operation</A></LI>
+<UL>
+<LI><A HREF="#4_5_1">4.5.1 CUPS-Get-Printers Request</A></LI>
+<LI><A HREF="#4_5_2">4.5.2 CUPS-Get-Printers Response</A></LI>
+</UL>
+<LI><A HREF="#4_6">4.6 CUPS-Add-Printer Operation</A></LI>
+<UL>
+<LI><A HREF="#4_6_1">4.6.1 CUPS-Add-Printer Request</A></LI>
+<LI><A HREF="#4_6_2">4.6.2 CUPS-Add-Printer Response</A></LI>
+</UL>
+<LI><A HREF="#4_7">4.7 CUPS-Delete-Printer Operation</A></LI>
+<UL>
+<LI><A HREF="#4_7_1">4.7.1 CUPS-Delete-Printer Request</A></LI>
+<LI><A HREF="#4_7_2">4.7.2 CUPS-Delete-Printer Response</A></LI>
+</UL>
+<LI><A HREF="#4_8">4.8 CUPS-Get-Classes Operation</A></LI>
+<UL>
+<LI><A HREF="#4_8_1">4.8.1 CUPS-Get-Classes Request</A></LI>
+<LI><A HREF="#4_8_2">4.8.2 CUPS-Get-Classes Response</A></LI>
+</UL>
+<LI><A HREF="#4_9">4.9 CUPS-Add-Class Operation</A></LI>
+<UL>
+<LI><A HREF="#4_9_1">4.9.1 CUPS-Add-Class Request</A></LI>
+<LI><A HREF="#4_9_2">4.9.2 CUPS-Add-Class Response</A></LI>
+</UL>
+<LI><A HREF="#4_10">4.10 CUPS-Delete-Class Operation</A></LI>
+<UL>
+<LI><A HREF="#4_10_1">4.10.1 CUPS-Delete-Class Request</A></LI>
+<LI><A HREF="#4_10_2">4.10.2 CUPS-Delete-Class Response</A></LI>
+</UL>
+<LI><A HREF="#4_11">4.11 CUPS-Accept-Jobs Operation</A></LI>
+<UL>
+<LI><A HREF="#4_11_1">4.11.1 CUPS-Accept-Jobs Request</A></LI>
+<LI><A HREF="#4_11_2">4.11.2 CUPS-Accept-Jobs Response</A></LI>
+</UL>
+<LI><A HREF="#4_12">4.12 CUPS-Reject-Jobs Operation</A></LI>
+<UL>
+<LI><A HREF="#4_12_1">4.12.1 CUPS-Reject-Jobs Request</A></LI>
+<LI><A HREF="#4_12_2">4.12.2 CUPS-Reject-Jobs Response</A></LI>
+</UL>
+<LI><A HREF="#4_13">4.13 CUPS-Set-Default Operation</A></LI>
+<UL>
+<LI><A HREF="#4_13_1">4.13.1 CUPS-Set-Default Request</A></LI>
+<LI><A HREF="#4_13_2">4.13.2 CUPS-Set-Default Response</A></LI>
+</UL>
+<LI><A HREF="#4_14">4.14 CUPS-Get-Devices Operation</A></LI>
+<UL>
+<LI><A HREF="#4_14_1">4.14.1 CUPS-Get-Devices Request</A></LI>
+<LI><A HREF="#4_14_2">4.14.2 CUPS-Get-Devices Response</A></LI>
+</UL>
+<LI><A HREF="#4_15">4.15 CUPS-Get-PPDs Operation</A></LI>
+<UL>
+<LI><A HREF="#4_15_1">4.15.1 CUPS-Get-PPDs Request</A></LI>
+<LI><A HREF="#4_15_2">4.15.2 CUPS-Get-PPDs Response</A></LI>
+</UL>
+<LI><A HREF="#4_16">4.16 CUPS-Move-Job Operation</A></LI>
+<UL>
+<LI><A HREF="#4_16_1">4.16.1 CUPS-Move-Job Request</A></LI>
+<LI><A HREF="#4_16_2">4.16.2 CUPS-Move-Job Response</A></LI>
+</UL>
+</UL>
+<B><A HREF="#5">5 Attributes</A></B>
+<UL>
+<LI><A HREF="#5_1">5.1 Device Attributes</A></LI>
+<UL>
+<LI><A HREF="#5_1_1">5.1.1 device-class (type2 keyword)</A></LI>
+<LI><A HREF="#5_1_2">5.1.2 device-info (text(127))</A></LI>
+<LI><A HREF="#5_1_3">5.1.3 device-make-and-model (text(127))</A></LI>
+<LI><A HREF="#5_1_4">5.1.4 device-uri (uri)</A></LI>
+</UL>
+<LI><A HREF="#5_2">5.2 Job Template Attributes</A></LI>
+<UL>
+<LI><A HREF="#5_2_1">5.2.1 blackplot (boolean)</A></LI>
+<LI><A HREF="#5_2_2">5.2.2 brightness (integer(0:200))</A></LI>
+<LI><A HREF="#5_2_3">5.2.3 columns (integer(1:4))</A></LI>
+<LI><A HREF="#5_2_4">5.2.4 cpi (type2 enum)</A></LI>
+<LI><A HREF="#5_2_5">5.2.5 fitplot (boolean)</A></LI>
+<LI><A HREF="#5_2_6">5.2.6 gamma (integer(1:10000))</A></LI>
+<LI><A HREF="#5_2_7">5.2.7 hue (integer(-180:180))</A></LI>
+<LI><A HREF="#5_2_8">5.2.8 job-billing (text(MAX))</A></LI>
+<LI><A HREF="#5_2_9">5.2.9 job-hold-until (keyword | name(MAX))</A></LI>
+<LI><A HREF="#5_2_10">5.2.10 job-sheets (1setof type3 keyword |
+ name(MAX))</A></LI>
+<LI><A HREF="#5_2_11">5.2.11 job-originating-host-name (name(MAX))</A></LI>
+<LI><A HREF="#5_2_12">5.2.12 lpi (type2 enum)</A></LI>
+<LI><A HREF="#5_2_13">5.2.13 natural-scaling (integer(1:1000))</A></LI>
+<LI><A HREF="#5_2_14">5.2.14 page-bottom (integer(0:MAX))</A></LI>
+<LI><A HREF="#5_2_15">5.2.15 page-label (text(MAX))</A></LI>
+<LI><A HREF="#5_2_16">5.2.16 page-left (integer(0:MAX))</A></LI>
+<LI><A HREF="#5_2_17">5.2.17 page-right (integer(0:MAX))</A></LI>
+<LI><A HREF="#5_2_18">5.2.18 page-set (type2 keyword)</A></LI>
+<LI><A HREF="#5_2_19">5.2.19 page-top (integer(0:MAX))</A></LI>
+<LI><A HREF="#5_2_20">5.2.20 penwidth (integer(0:MAX))</A></LI>
+<LI><A HREF="#5_2_21">5.2.21 position (type2 keyword)</A></LI>
+<LI><A HREF="#5_2_22">5.2.22 ppi (integer(1:MAX))</A></LI>
+<LI><A HREF="#5_2_23">5.2.23 prettyprint (boolean)</A></LI>
+<LI><A HREF="#5_2_24">5.2.24 saturation (integer(0:200))</A></LI>
+<LI><A HREF="#5_2_25">5.2.25 scaling (integer(1:1000))</A></LI>
+<LI><A HREF="#5_2_26">5.2.26 wrap (boolean)</A></LI>
+</UL>
+<LI><A HREF="#5_3">5.3 PPD Attributes</A></LI>
+<UL>
+<LI><A HREF="#5_3_1">5.3.1 ppd-natural-language (naturalLanguage)</A></LI>
+<LI><A HREF="#5_3_2">5.3.2 ppd-make (text(127))</A></LI>
+<LI><A HREF="#5_3_3">5.3.3 ppd-make-and-model (text(127))</A></LI>
+<LI><A HREF="#5_3_4">5.3.4 ppd-name (name(255))</A></LI>
+</UL>
+<LI><A HREF="#5_4">5.4 Printer Attributes</A></LI>
+<UL>
+<LI><A HREF="#5_4_1">5.4.1 job-k-limit (integer)</A></LI>
+<LI><A HREF="#5_4_2">5.4.2 job-page-limit (integer)</A></LI>
+<LI><A HREF="#5_4_3">5.4.3 job-quota-period (integer)</A></LI>
+<LI><A HREF="#5_4_4">5.4.4 job-sheets-supported (1setof type3 keyword |
+ name(MAX))</A></LI>
+<LI><A HREF="#5_4_5">5.4.5 printer-type (type2 enum)</A></LI>
+<LI><A HREF="#5_4_6">5.4.6 printer-type-mask (type2 enum)</A></LI>
+<LI><A HREF="#5_4_7">5.4.7 requesting-user-name-allowed (1setof
+ name(127))</A></LI>
+<LI><A HREF="#5_4_8">5.4.8 requesting-user-name-denied (1setof
+ name(127))</A></LI>
+</UL>
+<LI><A HREF="#5_5">5.5 Printer Class Attributes</A></LI>
+<UL>
+<LI><A HREF="#5_5_1">5.5.1 member-names (1setof name(127))</A></LI>
+<LI><A HREF="#5_5_2">5.5.2 member-uris (1setof uri)</A></LI>
+</UL>
+</UL>
+<B><A HREF="#6">A Glossary</A></B>
+<UL>
+<LI><A HREF="#6_1">A.1 Terms</A></LI>
+<LI><A HREF="#6_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+<P>This document provides an overview of the Internet Printing Protocol
+ (&quot;IPP&quot;) version 1.1 as implemented in the Common UNIX Printing System
+ (&quot;CUPS&quot;) version 1.1.</P>
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+<P>This document is organized into the following sections:</P>
+<UL>
+<LI><A HREF="#1">1 - Scope</A></LI>
+<LI><A HREF="#2">2 - References</A></LI>
+<LI><A HREF="#3">3 - Overview</A></LI>
+<LI><A HREF="#4">4 - Operations</A></LI>
+<LI><A HREF="#5">5 - Attributes</A></LI>
+<LI><A HREF="#6">A - Glossary</A></LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Overview</A></H1>
+<P>CUPS 1.1 implements IPP/1.1 and the operations and attributes defined
+ in the &quot;IPP: Job and Printer Set Operations&quot;, &quot;IPP/1.1: Output-bin
+ Attribute Extension&quot;, and &quot;IPP/1.1: finishings 'fold',' trim', and
+ 'bale' attribute values extension&quot; specifications.</P>
+<P>CUPS also provides 13 new operations and many new attributes to
+ support multiple IPP printers and printer classes on a single host.</P>
+<H2><A NAME="3_1">3.1 IPP URIs</A></H2>
+<P>CUPS supports both the &quot;http&quot; and &quot;ipp&quot; methods. The following
+ resource names are used:</P>
+<DL>
+<DT>method://hostname:port/</DT>
+<DD>Can be used for all &quot;get&quot; operations.</DD>
+<DT>method://hostname:port/admin</DT>
+<DD>Used for all administrative operations.</DD>
+<DT>method://hostname:port/classes/name</DT>
+<DD>Specifies a printer class.</DD>
+<DT>method://hostname:port/jobs/id</DT>
+<DD>Specifies a job.</DD>
+<DT>method://hostname:port/printers/name</DT>
+<DD>Specifies a printer.</DD>
+</DL>
+<P>So a typical printer URI would be
+ &quot;ipp://foo.bar.com/printers/LaserJet&quot;.</P>
+<P>In addition, the CUPS server also supports normal browser access to
+ &quot;method://hostname:port/admin/&quot;, &quot;method://hostname:port/classes/&quot;,
+ &quot;method://hostname:port/jobs/&quot;, and &quot;method://hostname:port/printers/&quot;
+ to view and manage resources on the server dynamically.</P>
+<H2><A NAME="3_2">3.2 CUPS IPP Operations</A></H2>
+<P>CUPS provides 13 extension operations in addition to most of the
+ standard IPP and registered extension operations:
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH VALIGN="TOP">Operation Name</TH><TH VALIGN="TOP">CUPS</TH><TH VALIGN="TOP">
+Code</TH><TH VALIGN="TOP">Brief Description</TH></TR>
+<TR><TD VALIGN="TOP">Print-Job</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0002</TD><TD VALIGN="TOP">Print a file.</TD></TR>
+<TR><TD VALIGN="TOP">Validate-Job</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0004</TD><TD VALIGN="TOP">Validate job attributes.</TD></TR>
+<TR><TD VALIGN="TOP">Create-Job</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x0005</TD><TD VALIGN="TOP">Create a print job.</TD></TR>
+<TR><TD VALIGN="TOP">Send-Document</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x0006</TD><TD VALIGN="TOP">Send a file for a print job.</TD></TR>
+<TR><TD VALIGN="TOP">Cancel-Job</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0008</TD><TD VALIGN="TOP">Cancel a print job.</TD></TR>
+<TR><TD VALIGN="TOP">Get-Job-Attributes</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0009</TD><TD VALIGN="TOP">Get job attributes.</TD></TR>
+<TR><TD VALIGN="TOP">Get-Jobs</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x000A</TD><TD VALIGN="TOP">Get all jobs.</TD></TR>
+<TR><TD VALIGN="TOP">Get-Printer-Attributes</TD><TD VALIGN="TOP">1.0</TD><TD
+VALIGN="TOP">0x000B</TD><TD VALIGN="TOP">Get printer attributes.</TD></TR>
+<TR><TD VALIGN="TOP">Hold-Job</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x000C</TD><TD VALIGN="TOP">Hold a job for printing.</TD></TR>
+<TR><TD VALIGN="TOP">Release-Job</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x000D</TD><TD VALIGN="TOP">Release a job for printing.</TD></TR>
+<TR><TD VALIGN="TOP">Pause-Printer</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0010</TD><TD VALIGN="TOP">Pause printing on a printer.</TD></TR>
+<TR><TD VALIGN="TOP">Resume-Printer</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0011</TD><TD VALIGN="TOP">Resume printing on a printer.</TD></TR>
+<TR><TD VALIGN="TOP">Purge-Jobs</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x0012</TD><TD VALIGN="TOP">Purge all jobs.</TD></TR>
+<TR><TD VALIGN="TOP">Set-Job-Attributes</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x0014</TD><TD VALIGN="TOP">Set attributes for a pending or held job.</TD>
+</TR>
+<TR><TD VALIGN="TOP">CUPS-Get-Default</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4001</TD><TD VALIGN="TOP">Get the default destination.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Get-Printers</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4002</TD><TD VALIGN="TOP">Get all of the available printers.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Add-Printer</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4003</TD><TD VALIGN="TOP">Add or modify a printer.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Delete-Printer</TD><TD VALIGN="TOP">1.0</TD><TD
+VALIGN="TOP">0x4004</TD><TD VALIGN="TOP">Delete a printer.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Get-Classes</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4005</TD><TD VALIGN="TOP">Get all of the available printer classes.</TD>
+</TR>
+<TR><TD VALIGN="TOP">CUPS-Add-Class</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4006</TD><TD VALIGN="TOP">Add or modify a printer class.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Delete-Class</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4007</TD><TD VALIGN="TOP">Delete a printer class.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Accept-Jobs</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4008</TD><TD VALIGN="TOP">Accept jobs on a printer or printer class.</TD>
+</TR>
+<TR><TD VALIGN="TOP">CUPS-Reject-Jobs</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x4009</TD><TD VALIGN="TOP">Reject jobs on a printer or printer class.</TD>
+</TR>
+<TR><TD VALIGN="TOP">CUPS-Set-Default</TD><TD VALIGN="TOP">1.0</TD><TD VALIGN="TOP">
+0x400A</TD><TD VALIGN="TOP">Set the default destination.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Get-Devices</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x400B</TD><TD VALIGN="TOP">Get all of the available devices.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Get-PPDs</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x400C</TD><TD VALIGN="TOP">Get all of the available PPDs.</TD></TR>
+<TR><TD VALIGN="TOP">CUPS-Move-Job</TD><TD VALIGN="TOP">1.1</TD><TD VALIGN="TOP">
+0x400D</TD><TD VALIGN="TOP">Move a job to a different printer.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H1><A NAME="4">4 Operations</A></H1>
+<P>The following sections describe the operations supported by CUPS. In
+ the interest of brevity, operations which use only the standard IPP
+ attributes are not described.</P>
+<H2><A NAME="4_1">4.1 Print-Job Operation</A></H2>
+<P>The Print-Job operation (0x0002) prints a file.</P>
+<H3><A NAME="4_1_1">4.1.1 Print-Job Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ Print-Job request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer.</P>
+</UL>
+<P>Group 2: Job Template Attributes</P>
+<UL>
+<P>&quot;job-billing&quot; (text(MAX)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a billing string that is logged with
+ the page accounting information.</P>
+<P>&quot;job-sheets&quot; (1setof type3 keyword | name(MAX)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies one or two banner pages that are
+ printed before and after any files in the print job. The name of &quot;none&quot;
+ is reserved to indicate that no banner page should be printed. If the
+ client does not specify this attribute then the value of the
+ &quot;job-sheets-default&quot; printer object attribute is used.</P>
+<P><B>Note:</B> Standard IPP only allows specification of a single
+ job-sheets attribute value.</P>
+<P>&quot;media&quot; (1setof type3 keyword | name(MAX)):</P>
+<P>The client OPTIONALLY supplies one or more media attributes
+ specifying the size, type, source, and color of the output media. If
+ the client does not specify this attribute then the value of the
+ &quot;media-default&quot; printer object attribute is used.</P>
+<P><B>Note:</B> Standard IPP only allows specification of a single media
+ attribute value.</P>
+<P>Other Job Template Attributes</P>
+</UL>
+<P>The Print-Job request is followed by a file to be printed.</P>
+<H3><A NAME="4_1_2">4.1.2 Print-Job Response</A></H3>
+<P>The following groups of attributes are send as part of the Print-Job
+ Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: Job Attributes</P>
+<UL>
+<P>Standard Job Attributes</P>
+</UL>
+<H2><A NAME="4_2">4.2 Create-Job Operation</A></H2>
+<P>The Create-Job operation (0x0005) creates a new, empty print job.</P>
+<H3><A NAME="4_2_1">4.2.1 Create-Job Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ Create-Job request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer.</P>
+</UL>
+<P>Group 2: Job Template Attributes</P>
+<UL>
+<P>&quot;job-billing&quot; (text(MAX)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a billing string that is logged with
+ the page accounting information.</P>
+<P>&quot;job-sheets&quot; (1setof type3 keyword | name(MAX)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies one or two banner pages that are
+ printed before and after any files in the print job. The name of &quot;none&quot;
+ is reserved to indicate that no banner page should be printed. If the
+ client does not specify this attribute then the value of the
+ &quot;job-sheets-default&quot; printer object attribute is used.</P>
+<P><B>Note:</B> Standard IPP only allows specification of a single
+ job-sheets attribute value.</P>
+<P>&quot;media&quot; (1setof type3 keyword | name(MAX)):</P>
+<P>The client OPTIONALLY supplies one or more media attributes
+ specifying the size, type, source, and color of the output media. If
+ the client does not specify this attribute then the value of the
+ &quot;media-default&quot; printer object attribute is used.</P>
+<P><B>Note:</B> Standard IPP only allows specification of a single media
+ attribute value.</P>
+<P>Standard Job Template Attributes</P>
+</UL>
+<H3><A NAME="4_2_2">4.2.2 Create-Job Response</A></H3>
+<P>The following groups of attributes are send as part of the Create-Job
+ Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: Job Attributes</P>
+<UL>
+<P>Standard Job Attributes</P>
+</UL>
+<H2><A NAME="4_3">4.3 Set-Job-Attributes Operation</A></H2>
+<P>The Set-Job-Attributes operation (0x0014) changes the attributes of
+ an active (not completed) job.</P>
+<H3><A NAME="4_3_1">4.3.1 Set-Job-Attributes Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ Set-Job-Attributes request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri) and &quot;job-id&quot; (integer)</P>
+<P><I>OR</I></P>
+<P>&quot;job-uri&quot;:</P>
+<P>The client MUST supply a URI for the specified printer and a job ID
+ number, or the job URI.</P>
+</UL>
+<P>Group 2: Job Template Attributes</P>
+<UL>
+<P>&quot;job-sheets&quot; (1setof type3 keyword | name(MAX)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies one or two banner pages that are
+ printed before and after any files in the print job. The name of &quot;none&quot;
+ is reserved to indicate that no banner page should be printed. If the
+ client does not specify this attribute then the value of the
+ &quot;job-sheets-default&quot; printer object attribute is used.</P>
+<P><B>Note:</B> Standard IPP only allows specification of a single
+ job-sheets attribute value.</P>
+<P>&quot;media&quot; (1setof type3 keyword | name(MAX)):</P>
+<P>The client OPTIONALLY supplies one or more media attributes
+ specifying the size, type, source, and color of the output media. If
+ the client does not specify this attribute then the value of the
+ &quot;media-default&quot; printer object attribute is used.</P>
+<P><B>Note:</B> Standard IPP only allows specification of a single media
+ attribute value.</P>
+<P>Other Job Template Attributes</P>
+</UL>
+<H3><A NAME="4_3_2">4.3.2 Set-Job-Attributes Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ Set-Job-Attributes Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_4">4.4 CUPS-Get-Default Operation</A></H2>
+<P>The CUPS-Get-Default operation (0x4001) returns the default printer
+ URI and attributes.</P>
+<H3><A NAME="4_4_1">4.4.1 CUPS-Get-Default Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Get-Default request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;requested-attributes&quot; (1setOf keyword) :</P>
+<P>The client OPTIONALLY supplies a set of attribute names and/or
+ attribute group names in whose values the requester is interested. If
+ the client omits this attribute, the server responds as if this
+ attribute had been supplied with a value of 'all'.</P>
+</UL>
+<H3><A NAME="4_4_2">4.4.2 CUPS-Get-Default Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Get-Default Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: Printer Object Attributes</P>
+<UL>
+<P>The set of requested attributes and their current values.</P>
+</UL>
+<H2><A NAME="4_5">4.5 CUPS-Get-Printers Operation</A></H2>
+<P>The CUPS-Get-Printers operation (0x4002) returns the printer
+ attributes for every printer known to the system. This may include
+ printers that are not served directly by the server.</P>
+<H3><A NAME="4_5_1">4.5.1 CUPS-Get-Printers Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Get-Printers request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;limit&quot; (integer (1:MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute limiting the number of
+ printers that are returned.</P>
+<P>&quot;printer-info&quot; (text(127)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies this attribute to select which
+ printers are returned.</P>
+<P>&quot;printer-location&quot; (text(127)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies this attribute to select which
+ printers are returned.</P>
+<P>&quot;printer-type&quot; (type2 enum):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a printer type enumeration to select
+ which printers are returned.</P>
+<P>&quot;printer-type-mask&quot; (type2 enum):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a printer type mask enumeration to
+ select which bits are used in the &quot;printer-type&quot; attribute.</P>
+<P>&quot;requested-attributes&quot; (1setOf keyword) :</P>
+<P>The client OPTIONALLY supplies a set of attribute names and/or
+ attribute group names in whose values the requester is interested. If
+ the client omits this attribute, the server responds as if this
+ attribute had been supplied with a value of 'all'.</P>
+</UL>
+<H3><A NAME="4_5_2">4.5.2 CUPS-Get-Printers Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Get-Printers Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: Printer Object Attributes</P>
+<UL>
+<P>The set of requested attributes and their current values for each
+ printer.</P>
+</UL>
+<H2><A NAME="4_6">4.6 CUPS-Add-Printer Operation</A></H2>
+<P>The CUPS-Add-Printer operation (0x4003) adds a new printer or
+ modifies an existing printer on the system.</P>
+<H3><A NAME="4_6_1">4.6.1 CUPS-Add-Printer Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Add-Printer request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer.</P>
+</UL>
+<P>Group 2: Printer Object Attributes</P>
+<UL>
+<P>&quot;banner-end-default&quot; (name(127)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a banner page name that is printed
+ after files in a job. The reserved name &quot;none&quot; is used to specify that
+ no banner page should be printed.</P>
+<P>&quot;banner-start-default&quot; (name(127)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a banner page name that is printed
+ before files in a job. The reserved name &quot;none&quot; is used to specify that
+ no banner page should be printed.</P>
+<P>&quot;device-uri&quot; (uri):</P>
+<P>The client OPTIONALLY supplies a device URI for the specified
+ printer.</P>
+<P>&quot;ppd-name&quot; (name(127)):</P>
+<P>The client OPTIONALLY supplies a PPD name for the specified printer.</P>
+<P>&quot;printer-is-accepting-jobs&quot; (boolean):</P>
+<P>The client OPTIONALLY supplies this boolean attribute indicating
+ whether or not the printer object should accept new jobs.</P>
+<P>&quot;printer-info&quot; (text(127)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating the printer
+ information string.</P>
+<P>&quot;printer-location&quot; (text(127)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a textual
+ location of the printer.</P>
+<P>&quot;printer-more-info&quot; (uri):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a URI for
+ additional printer information.</P>
+<P>&quot;printer-state&quot; (type2 enum):</P>
+<P>The client OPTIONALLY supplies this attribute indicating the
+ initial/current state of the printer. Only the &quot;idle&quot; and &quot;stopped&quot;
+ enumerations are recognized.</P>
+<P>&quot;printer-state-message&quot; (text(MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a textual
+ reason for the current printer state.</P>
+<P>&quot;requesting-user-name-allowed&quot; (1setof name(127) | delete)</P>
+<P><I>OR</I></P>
+<P>&quot;requesting-user-name-denied&quot; (1setof name(127) | delete):</P>
+<P>The client OPTIONALLY supplies one of these attributes to specify an
+ access control list for incoming print jobs. To allow all users access
+ to a printer, use the delete tag for the attribute value.</P>
+</UL>
+<P>The CUPS-Add-Printer request can optionally be followed by a PPD file
+ or System V interface script to be used for the printer. The &quot;ppd-name&quot;
+ attribute overrides any file that is attached to the end of the request
+ with a local CUPS PPD file.</P>
+<H3><A NAME="4_6_2">4.6.2 CUPS-Add-Printer Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Add-Printer Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_7">4.7 CUPS-Delete-Printer Operation</A></H2>
+<P>The CUPS-Delete-Printer operation (0x4004) removes an existing
+ printer from the system.</P>
+<H3><A NAME="4_7_1">4.7.1 CUPS-Delete-Printer Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Delete-Printer request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer.</P>
+</UL>
+<H3><A NAME="4_7_2">4.7.2 CUPS-Delete-Printer Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Delete-Printer Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_8">4.8 CUPS-Get-Classes Operation</A></H2>
+<P>The CUPS-Get-Classes operation (0x4005) returns the printer
+ attributes for every printer class known to the system. This may
+ include printer classes that are not served directly by the server.</P>
+<H3><A NAME="4_8_1">4.8.1 CUPS-Get-Classes Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Get-Classes request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;limit&quot; (integer (1:MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute limiting the number of
+ printer classes that are returned.</P>
+<P>&quot;printer-info&quot; (text(127)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies this attribute to select which printer
+ classes are returned.</P>
+<P>&quot;printer-location&quot; (text(127)):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies this attribute to select which printer
+ classes are returned.</P>
+<P>&quot;printer-type&quot; (type2 enum):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a printer type enumeration to select
+ which printer classes are returned.</P>
+<P>&quot;printer-type-mask&quot; (type2 enum):</P>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The client OPTIONALLY supplies a printer type mask enumeration to
+ select which bits are used in the &quot;printer-type&quot; attribute.</P>
+<P>&quot;requested-attributes&quot; (1setOf keyword) :</P>
+<P>The client OPTIONALLY supplies a set of attribute names and/or
+ attribute group names in whose values the requester is interested. If
+ the client omits this attribute, the server responds as if this
+ attribute had been supplied with a value of 'all'.</P>
+</UL>
+<H3><A NAME="4_8_2">4.8.2 CUPS-Get-Classes Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Get-Classes Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: Printer Class Object Attributes</P>
+<UL>
+<P>The set of requested attributes and their current values for each
+ printer class.</P>
+</UL>
+<H2><A NAME="4_9">4.9 CUPS-Add-Class Operation</A></H2>
+<P>The CUPS-Add-Class operation (0x4006) adds a new printer class or
+ modifies and existing printer class on the system.</P>
+<H3><A NAME="4_9_1">4.9.1 CUPS-Add-Class Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Add-Class request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer class.</P>
+</UL>
+<P>Group 2: Printer Object Attributes</P>
+<UL>
+<P>&quot;member-uris&quot; (1setof uri):</P>
+<P>The client OPTIONALLY supplies the &quot;member-uris&quot; set specifying the
+ printers and printer classes that are part of the class.</P>
+<P>&quot;printer-is-accepting-jobs&quot; (boolean):</P>
+<P>The client OPTIONALLY supplies this boolean attribute indicating
+ whether or not the class object should accept new jobs.</P>
+<P>&quot;printer-info&quot; (text(127)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating the printer
+ information string.</P>
+<P>&quot;printer-location&quot; (text(127)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a textual
+ location of the class.</P>
+<P>&quot;printer-more-info&quot; (uri):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a URI for
+ additional class information.</P>
+<P>&quot;printer-state&quot; (type2 enum):</P>
+<P>The client OPTIONALLY supplies this attribute indicating the
+ initial/current state of the class. Only the &quot;idle&quot; and &quot;stopped&quot;
+ enumerations are recognized.</P>
+<P>&quot;printer-state-message&quot; (text(MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a textual
+ reason for the current class state.</P>
+<P>&quot;requesting-user-name-allowed&quot; (1setof name(127))</P>
+<P><I>OR</I></P>
+<P>&quot;requesting-user-name-denied&quot; (1setof name(127)):</P>
+<P>The client OPTIONALLY supplies one of these attributes to specify an
+ access control list for incoming print jobs. To allow all users access
+ to a class, use the delete tag for the attribute value.</P>
+</UL>
+<H3><A NAME="4_9_2">4.9.2 CUPS-Add-Class Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Add-Class Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_10">4.10 CUPS-Delete-Class Operation</A></H2>
+<P>The CUPS-Delete-Class operation (0x4007) removes an existing printer
+ class from the system.</P>
+<H3><A NAME="4_10_1">4.10.1 CUPS-Delete-Class Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Delete-Class request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer class.</P>
+</UL>
+<H3><A NAME="4_10_2">4.10.2 CUPS-Delete-Class Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Delete-Class Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_11">4.11 CUPS-Accept-Jobs Operation</A></H2>
+<P>The CUPS-Accept-Jobs operation (0x4008) sets the
+ &quot;printer-is-accepting-jobs&quot; attribute to true for the specified printer
+ or printer class.</P>
+<H3><A NAME="4_11_1">4.11.1 CUPS-Accept-Jobs Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Accept-Jobs request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer or printer
+ class.</P>
+</UL>
+<H3><A NAME="4_11_2">4.11.2 CUPS-Accept-Jobs Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Accept-Jobs Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_12">4.12 CUPS-Reject-Jobs Operation</A></H2>
+<P>The CUPS-Reject-Jobs operation (0x4009) sets
+ the&quot;printer-is-accepting-jobs&quot; attribute to false for the specified
+ printer or printer class.</P>
+<H3><A NAME="4_12_1">4.12.1 CUPS-Reject-Jobs Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Reject-Jobs request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer or printer
+ class.</P>
+</UL>
+<P>Group 2: Printer Object Attributes</P>
+<UL>
+<P>&quot;printer-state-message&quot; (text(MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute indicating a textual
+ reason for the current printer state.</P>
+</UL>
+<H3><A NAME="4_12_2">4.12.2 CUPS-Reject-Jobs Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Reject-Jobs Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_13">4.13 CUPS-Set-Default Operation</A></H2>
+<P>The CUPS-Set-Default operation (0x400A) sets the default printer
+ destination for all clients when a resource name of &quot;/printers&quot; is
+ specified.</P>
+<H3><A NAME="4_13_1">4.13.1 CUPS-Set-Default Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Set-Default request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri):</P>
+<P>The client MUST supply a URI for the specified printer or printer
+ class.</P>
+</UL>
+<H3><A NAME="4_13_2">4.13.2 CUPS-Set-Default Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Set-Default Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H2><A NAME="4_14">4.14 CUPS-Get-Devices Operation</A></H2>
+<P>The CUPS-Get-Devices operation (0x400B) returns all of the supported
+ device-uri's for the server (CUPS 1.1 and higher).</P>
+<H3><A NAME="4_14_1">4.14.1 CUPS-Get-Devices Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Get-Devices request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;device-class&quot; (type1 keyword):</P>
+<P>The client OPTIONALLY supplies a device class keyword to select which
+ devices are returned.</P>
+<P>&quot;limit&quot; (integer (1:MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute limiting the number of
+ devices that are returned.</P>
+<P>&quot;requested-attributes&quot; (1setOf keyword) :</P>
+<P>The client OPTIONALLY supplies a set of attribute names and/or
+ attribute group names in whose values the requester is interested. If
+ the client omits this attribute, the server responds as if this
+ attribute had been supplied with a value of 'all'.</P>
+</UL>
+<H3><A NAME="4_14_2">4.14.2 CUPS-Get-Devices Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Get-Devices Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: Device Object Attributes</P>
+<UL>
+<P>The set of requested attributes and their current values for each
+ device.</P>
+</UL>
+<H2><A NAME="4_15">4.15 CUPS-Get-PPDs Operation</A></H2>
+<P>The CUPS-Get-PPDs operation (0x400C) returns all of the locally
+ available PPD files on the system (CUPS 1.1 and higher).</P>
+<H3><A NAME="4_15_1">4.15.1 CUPS-Get-PPDs Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Get-PPDs request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;limit&quot; (integer (1:MAX)):</P>
+<P>The client OPTIONALLY supplies this attribute limiting the number of
+ PPDs that are returned.</P>
+<P>&quot;ppd-make&quot; (text(127)):</P>
+<P>The client OPTIONALLY supplies a printer manufacturer to select which
+ PPDs are returned.</P>
+<P>&quot;requested-attributes&quot; (1setOf keyword) :</P>
+<P>The client OPTIONALLY supplies a set of attribute names and/or
+ attribute group names in whose values the requester is interested. If
+ the client omits this attribute, the server responds as if this
+ attribute had been supplied with a value of 'all'.</P>
+</UL>
+<H3><A NAME="4_15_2">4.15.2 CUPS-Get-PPDs Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Get-PPDs Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<P>Group 2: PPD Attributes</P>
+<UL>
+<P>The set of requested attributes and their current values for each PPD
+ file.</P>
+</UL>
+<H2><A NAME="4_16">4.16 CUPS-Move-Job Operation</A></H2>
+<P>The CUPS-Move-Job operation (0x400D) moves an active print job to a
+ different printer (CUPS 1.1 and higher).</P>
+<H3><A NAME="4_16_1">4.16.1 CUPS-Move-Job Request</A></H3>
+<P>The following groups of attributes are supplied as part of the
+ CUPS-Move-Job request:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.1 of the IPP Model and Semantics
+ document.</P>
+<P>&quot;printer-uri&quot; (uri) and &quot;job-id&quot; (integer)</P>
+<P><I>OR</I></P>
+<P>&quot;job-uri&quot;:</P>
+<P>The client MUST supply a URI for the specified printer and a job ID
+ number, or the job URI.</P>
+</UL>
+<P>Group 2: Job Template Attributes</P>
+<UL>
+<P>&quot;job-printer-uri&quot; (uri)</P>
+<P>The client MUST supply a URI for a printer on the same server.</P>
+</UL>
+<H3><A NAME="4_16_2">4.16.2 CUPS-Move-Job Response</A></H3>
+<P>The following groups of attributes are send as part of the
+ CUPS-Move-Job Response:</P>
+<P>Group 1: Operation Attributes</P>
+<UL>
+<P>Status Message:</P>
+<P>The standard response status message.</P>
+<P>Natural Language and Character Set:</P>
+<P>The &quot;attributes-charset&quot; and &quot;attributes-natural-language&quot; attributes
+ as described in section 3.1.4.2 of the IPP Model and Semantics
+ document.</P>
+</UL>
+<H1><A NAME="5">5 Attributes</A></H1>
+<P>CUPS provides many extension attributes to support multiple devices,
+ PPD files, standard job filters, printers, and printer classes.</P>
+<H2><A NAME="5_1">5.1 Device Attributes</A></H2>
+<P>Device attributes are returned by the CUPS-Get-Devices operation and
+ enumerate all of the available hardware devices and network protocols
+ that are supported by the server.</P>
+<H3><A NAME="5_1_1">5.1.1 device-class (type2 keyword)</A></H3>
+<P>The device-class attribute specifies the class of device and can be
+ one of the following:</P>
+<UL>
+<LI>&quot;file&quot; - a disk file.</LI>
+<LI>&quot;direct&quot; - a parallel or fixed-rate serial data port, currently used
+ for Centronics, IEEE-1284, and USB printer ports.</LI>
+<LI>&quot;serial&quot; - a variable-rate serial port.</LI>
+<LI>&quot;network&quot; - a network connection, typically via AppSocket, HTTP,
+ IPP, LPD, or SMB/CIFS protocols.</LI>
+</UL>
+<H3><A NAME="5_1_2">5.1.2 device-info (text(127))</A></H3>
+<P>The device-info attribute specifies a human-readable string
+ describing the device, e.g. &quot;Parallel Port #1&quot;.</P>
+<H3><A NAME="5_1_3">5.1.3 device-make-and-model (text(127))</A></H3>
+<P>The device-makr-and-model attribute specifies a device identification
+ string provided by the printer connected to the device. If the device
+ or printer does not support identification then this attribute contains
+ the string &quot;unknown&quot;.</P>
+<H3><A NAME="5_1_4">5.1.4 device-uri (uri)</A></H3>
+<P>The device-uri attribute specifies a unique identifier for the
+ device. The actual format of the device-uri string depends on the value
+ of the device-class attribute:</P>
+<UL>
+<LI>&quot;file&quot; - The device-uri will be of the form
+ &quot;file:/path/to/filename&quot;.</LI>
+<LI>&quot;direct&quot; - The device-uri will be of the form
+ &quot;method:/dev/filename&quot;, where method may be &quot;parallel&quot; or &quot;usb&quot; in the
+ current implementation.</LI>
+<LI>&quot;serial&quot; - The device-uri will be of the form
+ &quot;serial:/dev/filename?baud=value+parity=value+flow=value&quot;. The baud
+ value is the data rate in bits per second; the supported values depend
+ on the underlying hardware. The parity value can be one of &quot;none&quot;,
+ &quot;even&quot;, or &quot;odd&quot;. The flow value can be one of &quot;none&quot;, &quot;soft&quot; (XON/XOFF
+ handshaking), &quot;hard&quot; or &quot;rts/cts&quot; (RTS/CTS handshaking), or &quot;dtrdsr&quot;
+ (DTR/DSR handshaking).</LI>
+<P>The URI returned by CUPS-Get-Devices will contain the maximum baud
+ rate supported by the device and the best type of flow control
+ available (&quot;soft&quot; or &quot;hard&quot;).</P>
+<LI>&quot;network&quot; - The device-uri will be of the form
+ &quot;method://[username:password@]hostname[:port]/[resource]&quot;, where method
+ may be &quot;http&quot;, &quot;ipp&quot;, &quot;lpd&quot;, &quot;smb&quot;, or &quot;socket&quot; in the current
+ implementation.</LI>
+<P>The URI returned by CUPS-Get-Devices will only contain the method
+ name followed by two slashes (&quot;method://&quot;). It is up to the client
+ application to add the appropriate host and other information when
+ adding a new printer.</P>
+<P>The URI returned by Get-Printer-Attributes and CUPS-Get-Printers has
+ any username and password information stripped; the information is
+ still stored and used by the server internally to perform any needed
+ authentication.</P>
+</UL>
+<H2><A NAME="5_2">5.2 Job Template Attributes</A></H2>
+<H3><A NAME="5_2_1">5.2.1 blackplot (boolean)</A></H3>
+<P>The blackplot attribute specifies whether HP-GL/2 plot files should
+ be rendered entirely in black ink (blackplot=true) or using the colors
+ and shades specified in the file (blackplot=false). The default value
+ is false.</P>
+<H3><A NAME="5_2_2">5.2.2 brightness (integer(0:200))</A></H3>
+<P>The brightness attribute specifies the overall brightness of the
+ printed output in percent. A brightness of 100 is normal, while 200 is
+ twice as bright and 50 is half as bright. The default value is 100.</P>
+<P>Brightness is applied to the Cyan, Magenta, Yellow, and Black values
+ using the function &quot;f(x) = brightness / 100 * x&quot;.</P>
+<H3><A NAME="5_2_3">5.2.3 columns (integer(1:4))</A></H3>
+<P>The columns attribute specifies the number of columns to generate
+ when printing text files. The default value is 1.</P>
+<H3><A NAME="5_2_4">5.2.4 cpi (type2 enum)</A></H3>
+<P>The cpi attribute specifies the number of characters per inch when
+ printing text files. Only the values 10, 12, and 17 are currently
+ supported. The default value is 10.</P>
+<H3><A NAME="5_2_5">5.2.5 fitplot (boolean)</A></H3>
+<P>The fitplot attribute specifies whether to scale HP-GL/2 plot files
+ to fit on the selected media (fitplot=true) or use the physical scale
+ specified in the plot file (fitplot=false). The default value is false.</P>
+<H3><A NAME="5_2_6">5.2.6 gamma (integer(1:10000))</A></H3>
+<P>The gamma attribute specifies the luminance correction for the
+ output. A value of 1000 specifies no correction, while values of 2000
+ and 500 will generate lighter and darker output, respectively. The
+ default value is 1000.</P>
+<P>Gamma is applied to the Red, Green, and Blue values (or luminance for
+ grayscale output) using the function &quot;f(x) = x<SUP>(1000/gamma)</SUP>&quot;.</P>
+<H3><A NAME="5_2_7">5.2.7 hue (integer(-180:180))</A></H3>
+<P>The hue attribute specifies a color hue rotation when printing image
+ files. The default value is 0.</P>
+<H3><A NAME="5_2_8">5.2.8 job-billing (text(MAX))</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-billing attribute provides a text value to associate with a
+ job for billing purposes.</P>
+<H3><A NAME="5_2_9">5.2.9 job-hold-until (keyword | name(MAX))</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-hold-until attribute specifies a hold time. In addition to
+ the standard IPP/1.1 keyword names, CUPS supports name values of the
+ form &quot;HH:MM&quot; and &quot;HH:MM:SS&quot; that specify a hold time. The hold time is
+ in Greenwich Mean Time (GMT) and<I> not</I> in the local time zone. If
+ the specified time is less than the current time, the job is held until
+ the next day.</P>
+<H3><A NAME="5_2_10">5.2.10 job-sheets (1setof type3 keyword |
+ name(MAX))</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-sheets attribute specifies one or two banner files that are
+ printed before and after a job. The reserved value of &quot;none&quot; disables
+ banner printing. The default value is stored in the job-sheets-default
+ attribute.</P>
+<P>If only one value is supplied, the banner file is printed before the
+ job. If two values are supplied, the first value is used as the
+ starting banner file and the second as the ending banner file.</P>
+<H3><A NAME="5_2_11">5.2.11 job-originating-host-name (name(MAX))</A></H3>
+<P><I>(CUPS 1.1.5 and higher)</I></P>
+<P>The job-originating-host-name attribute specifies the host from which
+ the job was queued. The value will be the hostname or IP address of the
+ client depending on whether hostname resolution is enabled. The
+ localhost address (127.0.0.1) is<B> always</B> resolved to the name
+ &quot;localhost&quot;.</P>
+<P>This attribute is read-only.</P>
+<H3><A NAME="5_2_12">5.2.12 lpi (type2 enum)</A></H3>
+<P>The lpi attribute specifies the number of lines per inch when
+ printing text files. Only the values 6 and 8 are currently supported.
+ The default value is 6.</P>
+<H3><A NAME="5_2_13">5.2.13 natural-scaling (integer(1:1000))</A></H3>
+<P><I>(CUPS 1.1.9 and higher)</I></P>
+<P>The natural-scaling attribute specifies the scaling of image files
+ with respect to the natural image size. A value of 100 specifies that
+ the image file should exactly the natural size, while 50 is half the
+ natural size and 200 is twice the natural size. The default value is
+ 100.</P>
+<P>The ppi option can be used to override the natural resolution of the
+ image, which controls the natural size.</P>
+<H3><A NAME="5_2_14">5.2.14 page-bottom (integer(0:MAX))</A></H3>
+<P>The page-bottom attribute specifies the bottom margin in points (72
+ points equals 1 inch). The default value is the device physical margin.</P>
+<H3><A NAME="5_2_15">5.2.15 page-label (text(MAX))</A></H3>
+<P><I>(CUPS 1.1.7 and higher)</I></P>
+<P>The page-label attribute provides a text value to place in the header
+ and footer on each page. If a classification level is set on the
+ server, then this classification is printed before the page label.</P>
+<H3><A NAME="5_2_16">5.2.16 page-left (integer(0:MAX))</A></H3>
+<P>The page-left attribute specifies the left margin in points (72
+ points equals 1 inch). The default value is the device physical margin.</P>
+<H3><A NAME="5_2_17">5.2.17 page-right (integer(0:MAX))</A></H3>
+<P>The page-right attribute specifies the right margin in points (72
+ points equals 1 inch). The default value is the device physical margin.</P>
+<H3><A NAME="5_2_18">5.2.18 page-set (type2 keyword)</A></H3>
+<P>The page-set attribute specifies which pages to print in a file. The
+ supported keywords are &quot;all&quot;, &quot;even&quot;, and &quot;odd&quot;. The default value is
+ &quot;all&quot;.</P>
+<H3><A NAME="5_2_19">5.2.19 page-top (integer(0:MAX))</A></H3>
+<P>The page-top attribute specifies the top margin in points (72 points
+ equals 1 inch). The default value is the device physical margin.</P>
+<H3><A NAME="5_2_20">5.2.20 penwidth (integer(0:MAX))</A></H3>
+<P>The penwidth attribute specifies the default pen width in micrometers
+ when printing HP-GL/2 plot files. The default value is 1000 (1
+ millimeter).</P>
+<H3><A NAME="5_2_21">5.2.21 position (type2 keyword)</A></H3>
+<P>The position attribute specifies the location of image files on the
+ media. The following keyword values are recognized:</P>
+<UL>
+<LI><CODE>center</CODE> - Center the image on the page (default)</LI>
+<LI><CODE>top</CODE> - Print the image centered at the top of the page</LI>
+<LI><CODE>left</CODE> - Print the image centered on the left of page</LI>
+<LI><CODE>right</CODE> - Print the image centered on the right of the
+ page</LI>
+<LI><CODE>top-left</CODE> - Print the image at the top left corner of
+ the page</LI>
+<LI><CODE>top-right</CODE> - Print the image at the top right corner of
+ the page</LI>
+<LI><CODE>bottom</CODE> - Print the image centered at the bottom of the
+ page</LI>
+<LI><CODE>bottom-left</CODE> - Print the image at the bottom left corner
+ of the page</LI>
+<LI><CODE>bottom-right</CODE> - Print the image at the bottom right
+ corner of the page</LI>
+</UL>
+<H3><A NAME="5_2_22">5.2.22 ppi (integer(1:MAX))</A></H3>
+<P>The ppi attribute specifies the resolution of an image file in pixels
+ per inch. The default value is the resolution included with the file or
+ 128 if no resolution information is available.</P>
+<H3><A NAME="5_2_23">5.2.23 prettyprint (boolean)</A></H3>
+<P>The prettyprint attribute specifies whether text files should be
+ printed with a shaded header and keyword highlighting
+ (prettyprint=true) or without additional formatting
+ (prettyprint=false). The default value is false.</P>
+<H3><A NAME="5_2_24">5.2.24 saturation (integer(0:200))</A></H3>
+<P>The saturation attribute specifies the color saturation when printing
+ image files. A saturation of 100 is normal, while values of 50 and 200
+ will be half and twice as colorful, respectively. The default value is
+ 100.</P>
+<H3><A NAME="5_2_25">5.2.25 scaling (integer(1:1000))</A></H3>
+<P>The scaling attribute specifies the scaling of image files with
+ respect to the selected media. A value of 100 specifies that the image
+ file should fit 100% of the page, or as much as possible given the
+ image dimensions. The default value is unspecified.</P>
+<P>The scaling attribute overrides the ppi attribute if specified.</P>
+<H3><A NAME="5_2_26">5.2.26 wrap (boolean)</A></H3>
+<P>The wrap attribute specifies whether long lines should be wrapped
+ (wrap=true) or not (wrap=false) when printing text files. The default
+ value is true.</P>
+<H2><A NAME="5_3">5.3 PPD Attributes</A></H2>
+<H3><A NAME="5_3_1">5.3.1 ppd-natural-language (naturalLanguage)</A></H3>
+<P>The ppd-natural-language attribute specifies the language encoding of
+ the PPD file (the LanguageVersion attribute in the PPD file). If the
+ language is unknown or undefined then &quot;en&quot; (English) is assumed.</P>
+<H3><A NAME="5_3_2">5.3.2 ppd-make (text(127))</A></H3>
+<P>The ppd-make attribute specifies the manufacturer of the printer (the
+ Manufacturer attribute in the PPD file). If the manufacturer is not
+ specified in the PPD file then an educated guess is made using the
+ NickName attribute in the PPD file.</P>
+<H3><A NAME="5_3_3">5.3.3 ppd-make-and-model (text(127))</A></H3>
+<P>The ppd-make-and-model attribute specifies the manufacturer and model
+ name of the PPD file (the NickName attribute in the PPD file). If the
+ make and model is not specified in the PPD file then the ModelName or
+ ShortNickName attributes are used instead.</P>
+<H3><A NAME="5_3_4">5.3.4 ppd-name (name(255))</A></H3>
+<P>The ppd-name attribute specifies the PPD filename on the server
+ relative to the model directory. The forward slash (/) is used to
+ delineate directories.</P>
+<H2><A NAME="5_4">5.4 Printer Attributes</A></H2>
+<H3><A NAME="5_4_1">5.4.1 job-k-limit (integer)</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-k-limit attribute specifies the maximum number of kilobytes
+ that may be printed by a user, including banner files. The default
+ value of 0 specifies that there is no limit.</P>
+<H3><A NAME="5_4_2">5.4.2 job-page-limit (integer)</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-page-limit attribute specifies the maximum number of pages
+ that may be printed by a user, including banner files. The default
+ value of 0 specifies that there is no limit.</P>
+<H3><A NAME="5_4_3">5.4.3 job-quota-period (integer)</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-quota-period attribute specifies the time period used for
+ quota calculations, in seconds. The default value of 0 specifies that
+ the limits apply to all jobs that have been printed by a user that are
+ still known to the system.</P>
+<H3><A NAME="5_4_4">5.4.4 job-sheets-supported (1setof type3 keyword |
+ name(MAX))</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The job-sheets-supported attribute specifies the available banner
+ files. There will always be at least one banner file available called
+ &quot;none&quot;.</P>
+<H3><A NAME="5_4_5">5.4.5 printer-type (type2 enum)</A></H3>
+<P>The printer-type attribute specifies printer type and capability bits
+ for the printer or class. The default value is computed from internal
+ state information and the PPD file for the printer. The following bits
+ are defined:
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Bit</TH><TH>Description</TH></TR>
+<TR><TD VALIGN="TOP">0x00000001</TD><TD VALIGN="TOP">Is a printer class.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000002</TD><TD VALIGN="TOP">Is a remote
+ destination.</TD></TR>
+<TR><TD VALIGN="TOP">0x00000004</TD><TD VALIGN="TOP">Can print in black.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000008</TD><TD VALIGN="TOP">Can print in color.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000010</TD><TD VALIGN="TOP">Can print on both
+ sides of the page in hardware.</TD></TR>
+<TR><TD VALIGN="TOP">0x00000020</TD><TD VALIGN="TOP">Can staple output.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000040</TD><TD VALIGN="TOP">Can do fast copies
+ in hardware.</TD></TR>
+<TR><TD VALIGN="TOP">0x00000080</TD><TD VALIGN="TOP">Can do fast copy
+ collation in hardware.</TD></TR>
+<TR><TD VALIGN="TOP">0x00000100</TD><TD VALIGN="TOP">Can punch output.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000200</TD><TD VALIGN="TOP">Can cover output.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000400</TD><TD VALIGN="TOP">Can bind output.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00000800</TD><TD VALIGN="TOP">Can sort output.</TD>
+</TR>
+<TR><TD VALIGN="TOP">0x00001000</TD><TD VALIGN="TOP">Can handle media up
+ to US-Legal/A4.</TD></TR>
+<TR><TD VALIGN="TOP">0x00002000</TD><TD VALIGN="TOP">Can handle media
+ from US-Legal/A4 to ISO-C/A2.</TD></TR>
+<TR><TD VALIGN="TOP">0x00004000</TD><TD VALIGN="TOP">Can handle media
+ larger than ISO-C/A2.</TD></TR>
+<TR><TD VALIGN="TOP">0x00008000</TD><TD VALIGN="TOP">Can handle
+ user-defined media sizes.</TD></TR>
+<TR><TD VALIGN="TOP">0x00010000</TD><TD VALIGN="TOP">Is an implicit
+ (server-generated) class.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="5_4_6">5.4.6 printer-type-mask (type2 enum)</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The printer-type-mask attribute is used to choose printers or classes
+ with the CUPS-Get-Printers and CUPS-Get-Classes operations. The bits
+ are defined identically to the printer-type attribute and default to
+ all 1's.</P>
+<H3><A NAME="5_4_7">5.4.7 requesting-user-name-allowed (1setof
+ name(127))</A></H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The requesting-user-name-allowed attribute lists all of the users
+ that are allowed to access a printer or class. Either this attribute or
+ the requesting-user-name-denied attribute will be defined, but not
+ both.</P>
+<H3><A NAME="5_4_8">5.4.8 requesting-user-name-denied (1setof name(127))</A>
+</H3>
+<P><I>(CUPS 1.1 and higher)</I></P>
+<P>The requesting-user-name-denied attribute lists all of the users that
+ are not allowed to access a printer or class. Either this attribute or
+ the requesting-user-name-allowed attribute will be defined, but not
+ both.</P>
+<H2><A NAME="5_5">5.5 Printer Class Attributes</A></H2>
+<H3><A NAME="5_5_1">5.5.1 member-names (1setof name(127))</A></H3>
+<P>The member-names attribute specifies each of the printer-name
+ attributes of the member printers and classes. Each name corresponds to
+ the same element of the member-uris attribute.</P>
+<H3><A NAME="5_5_2">5.5.2 member-uris (1setof uri)</A></H3>
+<P>The member-uris attribute specifies each of the printer-uri
+ attributes of the member printers and classes. Each URI corresponds to
+ the same element of the member-names attribute.</P>
+<H1 TYPE="A" VALUE="1"><A NAME="6">A Glossary</A></H1>
+<H2><A NAME="6_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="6_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
diff --git a/doc/ipp.pdf b/doc/ipp.pdf
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--- /dev/null
+++ b/doc/ipp.pdf
diff --git a/doc/ipp.shtml b/doc/ipp.shtml
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+++ b/doc/ipp.shtml
@@ -0,0 +1,1938 @@
+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002 All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-IPP-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Implementation of IPP</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+<P>This document provides an overview of the Internet Printing Protocol
+("IPP") version 1.1 as implemented in the Common UNIX Printing System
+("CUPS") version 1.1.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This document is organized into the following sections:
+
+<UL>
+	<LI><A HREF="#1">1 - Scope</A>
+	<LI><A HREF="#2">2 - References</A>
+	<LI><A HREF="#3">3 - Overview</A>
+	<LI><A HREF="#4">4 - Operations</A>
+	<LI><A HREF="#5">5 - Attributes</A>
+	<LI><A HREF="#6">A - Glossary</A>
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Overview</H1>
+
+<P>CUPS 1.1 implements IPP/1.1 and the operations and attributes
+defined in the "IPP: Job and Printer Set Operations",
+"IPP/1.1: Output-bin Attribute Extension", and "IPP/1.1: finishings
+'fold',' trim', and 'bale' attribute values extension" specifications.
+
+<P>CUPS also provides 13 new operations and many new attributes to
+support multiple IPP printers and printer classes on a single host.
+
+<H2>IPP URIs</H2>
+
+<P>CUPS supports both the "http" and "ipp" methods. The following
+resource names are used:
+
+<DL>
+
+	<DT>method://hostname:port/
+
+	<DD>Can be used for all "get" operations.
+
+	<DT>method://hostname:port/admin
+
+	<DD>Used for all administrative operations.
+
+	<DT>method://hostname:port/classes/name
+
+	<DD>Specifies a printer class.
+
+	<DT>method://hostname:port/jobs/id
+
+	<DD>Specifies a job.
+
+	<DT>method://hostname:port/printers/name
+
+	<DD>Specifies a printer.
+
+</DL>
+
+<P>So a typical printer URI would be "ipp://foo.bar.com/printers/LaserJet".
+
+<P>In addition, the CUPS server also supports normal browser access to
+"method://hostname:port/admin/", "method://hostname:port/classes/",
+"method://hostname:port/jobs/", and "method://hostname:port/printers/"
+to view and manage resources on the server dynamically.
+
+<H2>CUPS IPP Operations</H2>
+
+<P>CUPS provides 13 extension operations in addition to most of the
+standard IPP and registered extension operations:
+
+<CENTER><TABLE BORDER WIDTH="80%">
+<TR>
+	<TH VALIGN="TOP">Operation Name</TH>
+	<TH VALIGN="TOP">CUPS</TH>
+	<TH VALIGN="TOP">Code</TH>
+	<TH VALIGN="TOP">Brief Description</TH>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Print-Job</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0002</TD>
+	<TD VALIGN="TOP">Print a file.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Validate-Job</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0004</TD>
+	<TD VALIGN="TOP">Validate job attributes.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Create-Job</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x0005</TD>
+	<TD VALIGN="TOP">Create a print job.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Send-Document</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x0006</TD>
+	<TD VALIGN="TOP">Send a file for a print job.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Cancel-Job</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0008</TD>
+	<TD VALIGN="TOP">Cancel a print job.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Get-Job-Attributes</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0009</TD>
+	<TD VALIGN="TOP">Get job attributes.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Get-Jobs</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x000A</TD>
+	<TD VALIGN="TOP">Get all jobs.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Get-Printer-Attributes</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x000B</TD>
+	<TD VALIGN="TOP">Get printer attributes.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Hold-Job</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x000C</TD>
+	<TD VALIGN="TOP">Hold a job for printing.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Release-Job</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x000D</TD>
+	<TD VALIGN="TOP">Release a job for printing.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Pause-Printer</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0010</TD>
+	<TD VALIGN="TOP">Pause printing on a printer.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Resume-Printer</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0011</TD>
+	<TD VALIGN="TOP">Resume printing on a printer.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Purge-Jobs</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x0012</TD>
+	<TD VALIGN="TOP">Purge all jobs.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">Set-Job-Attributes</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x0014</TD>
+	<TD VALIGN="TOP">Set attributes for a pending or held job.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Get-Default</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4001</TD>
+	<TD VALIGN="TOP">Get the default destination.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Get-Printers</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4002</TD>
+	<TD VALIGN="TOP">Get all of the available printers.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Add-Printer</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4003</TD>
+	<TD VALIGN="TOP">Add or modify a printer.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Delete-Printer</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4004</TD>
+	<TD VALIGN="TOP">Delete a printer.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Get-Classes</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4005</TD>
+	<TD VALIGN="TOP">Get all of the available printer classes.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Add-Class</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4006</TD>
+	<TD VALIGN="TOP">Add or modify a printer class.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Delete-Class</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4007</TD>
+	<TD VALIGN="TOP">Delete a printer class.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Accept-Jobs</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4008</TD>
+	<TD VALIGN="TOP">Accept jobs on a printer or printer class.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Reject-Jobs</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x4009</TD>
+	<TD VALIGN="TOP">Reject jobs on a printer or printer class.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Set-Default</TD>
+	<TD VALIGN="TOP">1.0</TD>
+	<TD VALIGN="TOP">0x400A</TD>
+	<TD VALIGN="TOP">Set the default destination.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Get-Devices</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x400B</TD>
+	<TD VALIGN="TOP">Get all of the available devices.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Get-PPDs</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x400C</TD>
+	<TD VALIGN="TOP">Get all of the available PPDs.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">CUPS-Move-Job</TD>
+	<TD VALIGN="TOP">1.1</TD>
+	<TD VALIGN="TOP">0x400D</TD>
+	<TD VALIGN="TOP">Move a job to a different printer.</TD>
+</TR>
+</TABLE>
+</CENTER>
+
+<H1>Operations</H1>
+
+<P>The following sections describe the operations supported by CUPS.
+In the interest of brevity, operations which use only the standard
+IPP attributes are not described.
+
+<H2>Print-Job Operation</H2>
+
+<P>The Print-Job operation (0x0002) prints a file.
+
+<H3>Print-Job Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+Print-Job request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer.
+
+</UL>
+
+<P>Group 2: Job Template Attributes
+
+<UL>
+
+	<P>"job-billing" (text(MAX)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a billing string that is logged
+	with the page accounting information.
+
+	<P>"job-sheets" (1setof type3 keyword | name(MAX)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies one or two banner pages that
+	are printed before and after any files in the print job. The
+	name of "none" is reserved to indicate that no banner page
+	should be printed. If the client does not specify this
+	attribute then the value of the "job-sheets-default" printer
+	object attribute is used.
+
+	<P><B>Note:</B> Standard IPP only allows specification of a single
+	job-sheets attribute value.
+
+	<P>"media" (1setof type3 keyword | name(MAX)):
+
+	<P>The client OPTIONALLY supplies one or more media attributes
+	specifying the size, type, source, and color of the output
+	media. If the client does not specify this attribute then the
+	value of the "media-default" printer object attribute is used.
+
+	<P><B>Note:</B> Standard IPP only allows specification of a single
+	media attribute value.
+
+	<P>Other Job Template Attributes
+
+</UL>
+
+<P>The Print-Job request is followed by a file to be printed.
+
+<H3>Print-Job Response</H3>
+
+<P>The following groups of attributes are send as part of the Print-Job
+Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: Job Attributes
+
+<UL>
+
+	<P>Standard Job Attributes
+
+</UL>
+
+<H2>Create-Job Operation</H2>
+
+<P>The Create-Job operation (0x0005) creates a new, empty print job.
+
+<H3>Create-Job Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+Create-Job request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer.
+
+</UL>
+
+<P>Group 2: Job Template Attributes
+
+<UL>
+
+	<P>"job-billing" (text(MAX)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a billing string that is logged
+	with the page accounting information.
+
+	<P>"job-sheets" (1setof type3 keyword | name(MAX)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies one or two banner pages that
+	are printed before and after any files in the print job. The
+	name of "none" is reserved to indicate that no banner page
+	should be printed. If the client does not specify this
+	attribute then the value of the "job-sheets-default" printer
+	object attribute is used.
+
+	<P><B>Note:</B> Standard IPP only allows specification of a single
+	job-sheets attribute value.
+
+	<P>"media" (1setof type3 keyword | name(MAX)):
+
+	<P>The client OPTIONALLY supplies one or more media attributes
+	specifying the size, type, source, and color of the output
+	media. If the client does not specify this attribute then the
+	value of the "media-default" printer object attribute is used.
+
+	<P><B>Note:</B> Standard IPP only allows specification of a single
+	media attribute value.
+
+	<P>Standard Job Template Attributes
+
+</UL>
+
+<H3>Create-Job Response</H3>
+
+<P>The following groups of attributes are send as part of the
+Create-Job Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: Job Attributes
+
+<UL>
+
+	<P>Standard Job Attributes
+
+</UL>
+
+<H2>Set-Job-Attributes Operation</H2>
+
+<P>The Set-Job-Attributes operation (0x0014) changes the attributes of
+an active (not completed) job.
+
+<H3>Set-Job-Attributes Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+Set-Job-Attributes request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri) and "job-id" (integer)
+	<P><I>OR</I>
+	<P>"job-uri":
+
+	<P>The client MUST supply a URI for the specified printer and
+	a job ID number, or the job URI.
+
+</UL>
+
+<P>Group 2: Job Template Attributes
+
+<UL>
+
+	<P>"job-sheets" (1setof type3 keyword | name(MAX)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies one or two banner pages that
+	are printed before and after any files in the print job. The
+	name of "none" is reserved to indicate that no banner page
+	should be printed. If the client does not specify this
+	attribute then the value of the "job-sheets-default" printer
+	object attribute is used.
+
+	<P><B>Note:</B> Standard IPP only allows specification of a single
+	job-sheets attribute value.
+
+	<P>"media" (1setof type3 keyword | name(MAX)):
+
+	<P>The client OPTIONALLY supplies one or more media attributes
+	specifying the size, type, source, and color of the output
+	media. If the client does not specify this attribute then the
+	value of the "media-default" printer object attribute is used.
+
+	<P><B>Note:</B> Standard IPP only allows specification of a single
+	media attribute value.
+
+	<P>Other Job Template Attributes
+
+</UL>
+
+<H3>Set-Job-Attributes Response</H3>
+
+<P>The following groups of attributes are send as part of the Set-Job-Attributes
+Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Get-Default Operation</H2>
+
+<P>The CUPS-Get-Default operation (0x4001) returns the default printer
+URI and attributes.
+
+<H3>CUPS-Get-Default Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Get-Default request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"requested-attributes" (1setOf keyword) :
+
+	<P>The client OPTIONALLY supplies a set of attribute names
+	and/or attribute group names in whose values the requester is
+	interested. If the client omits this attribute, the server
+	responds as if this attribute had been supplied with a value of
+	'all'.
+
+</UL>
+
+<H3>CUPS-Get-Default Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Get-Default Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: Printer Object Attributes
+
+<UL>
+
+	<P>The set of requested attributes and their current values.
+
+</UL>
+
+<H2>CUPS-Get-Printers Operation</H2>
+
+<P>The CUPS-Get-Printers operation (0x4002) returns the printer
+attributes for every printer known to the system. This may include
+printers that are not served directly by the server.
+
+<H3>CUPS-Get-Printers Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Get-Printers request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"limit" (integer (1:MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute limiting the
+	number of printers that are returned.
+
+	<P>"printer-info" (text(127)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies this attribute to
+	select which printers are returned.
+
+	<P>"printer-location" (text(127)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies this attribute to
+	select which printers are returned.
+
+	<P>"printer-type" (type2 enum):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a printer type enumeration to
+	select which printers are returned.
+
+	<P>"printer-type-mask" (type2 enum):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a printer type mask
+	enumeration to select which bits are used in the "printer-type"
+	attribute.
+
+	<P>"requested-attributes" (1setOf keyword) :
+
+	<P>The client OPTIONALLY supplies a set of attribute names
+	and/or attribute group names in whose values the requester is
+	interested. If the client omits this attribute, the server
+	responds as if this attribute had been supplied with a value of
+	'all'.
+
+</UL>
+
+<H3>CUPS-Get-Printers Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Get-Printers Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: Printer Object Attributes
+
+<UL>
+
+	<P>The set of requested attributes and their current values for
+	each printer.
+
+</UL>
+
+<H2>CUPS-Add-Printer Operation</H2>
+
+<P>The CUPS-Add-Printer operation (0x4003) adds a new printer or
+modifies an existing printer on the system.
+
+<H3>CUPS-Add-Printer Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Add-Printer request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer.
+
+</UL>
+
+<P>Group 2: Printer Object Attributes
+
+<UL>
+
+	<P>"banner-end-default" (name(127)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a banner page name that is
+	printed after files in a job. The reserved name "none" is used to
+	specify that no banner page should be printed.
+
+	<P>"banner-start-default" (name(127)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a banner page name that is
+	printed before files in a job. The reserved name "none" is used to
+	specify that no banner page should be printed.
+
+	<P>"device-uri" (uri):
+
+	<P>The client OPTIONALLY supplies a device URI for the
+	specified printer.
+
+	<P>"ppd-name" (name(127)):
+
+	<P>The client OPTIONALLY supplies a PPD name for the specified
+	printer.
+
+	<P>"printer-is-accepting-jobs" (boolean):
+
+	<P>The client OPTIONALLY supplies this boolean attribute
+	indicating whether or not the printer object should accept new jobs.
+
+	<P>"printer-info" (text(127)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating the
+	printer information string.
+
+	<P>"printer-location" (text(127)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	textual location of the printer.
+
+	<P>"printer-more-info" (uri):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	URI for additional printer information.
+
+	<P>"printer-state" (type2 enum):
+
+	<P>The client OPTIONALLY supplies this attribute indicating the
+	initial/current state of the printer. Only the "idle" and "stopped"
+	enumerations are recognized.
+
+	<P>"printer-state-message" (text(MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	textual reason for the current printer state.
+
+	<P>"requesting-user-name-allowed" (1setof name(127) | delete)
+	<P><I>OR</I>
+	<P>"requesting-user-name-denied" (1setof name(127) | delete):
+
+	<P>The client OPTIONALLY supplies one of these attributes to
+	specify an access control list for incoming print jobs. To allow
+	all users access to a printer, use the delete tag for the
+	attribute value.
+
+</UL>
+
+<P>The CUPS-Add-Printer request can optionally be followed by a PPD
+file or System V interface script to be used for the printer. The
+"ppd-name" attribute overrides any file that is attached to the end of
+the request with a local CUPS PPD file.
+
+<H3>CUPS-Add-Printer Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Add-Printer Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Delete-Printer Operation</H2>
+
+<P>The CUPS-Delete-Printer operation (0x4004) removes an existing
+printer from the system.
+
+<H3>CUPS-Delete-Printer Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Delete-Printer request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer.
+
+</UL>
+
+<H3>CUPS-Delete-Printer Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Delete-Printer Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Get-Classes Operation</H2>
+
+<P>The CUPS-Get-Classes operation (0x4005) returns the printer
+attributes for every printer class known to the system. This may
+include printer classes that are not served directly by the server.
+
+<H3>CUPS-Get-Classes Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Get-Classes request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"limit" (integer (1:MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute limiting the
+	number of printer classes that are returned.
+
+	<P>"printer-info" (text(127)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies this attribute to
+	select which printer classes are returned.
+
+	<P>"printer-location" (text(127)):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies this attribute to
+	select which printer classes are returned.
+
+	<P>"printer-type" (type2 enum):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a printer type enumeration to
+	select which printer classes are returned.
+
+	<P>"printer-type-mask" (type2 enum):
+
+	<P><I>(CUPS 1.1 and higher)</I>
+
+	<P>The client OPTIONALLY supplies a printer type mask
+	enumeration to select which bits are used in the "printer-type"
+	attribute.
+
+	<P>"requested-attributes" (1setOf keyword) :
+
+	<P>The client OPTIONALLY supplies a set of attribute names
+	and/or attribute group names in whose values the requester is
+	interested. If the client omits this attribute, the server responds as
+	if this attribute had been supplied with a value of 'all'.
+
+</UL>
+
+<H3>CUPS-Get-Classes Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Get-Classes Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: Printer Class Object Attributes
+
+<UL>
+
+	<P>The set of requested attributes and their current values for
+	each printer class.
+
+</UL>
+
+<H2>CUPS-Add-Class Operation</H2>
+
+<P>The CUPS-Add-Class operation (0x4006) adds a new printer class or
+modifies and existing printer class on the system.
+
+<H3>CUPS-Add-Class Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Add-Class request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer class.
+
+</UL>
+
+<P>Group 2: Printer Object Attributes
+
+<UL>
+
+	<P>"member-uris" (1setof uri):
+
+	<P>The client OPTIONALLY supplies the "member-uris" set
+	specifying the printers and printer classes that are part of the class.
+
+	<P>"printer-is-accepting-jobs" (boolean):
+
+	<P>The client OPTIONALLY supplies this boolean attribute
+	indicating whether or not the class object should accept new jobs.
+
+	<P>"printer-info" (text(127)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating the
+	printer information string.
+
+	<P>"printer-location" (text(127)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	textual location of the class.
+
+	<P>"printer-more-info" (uri):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	URI for additional class information.
+
+	<P>"printer-state" (type2 enum):
+
+	<P>The client OPTIONALLY supplies this attribute indicating the
+	initial/current state of the class. Only the "idle" and "stopped"
+	enumerations are recognized.
+
+	<P>"printer-state-message" (text(MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	textual reason for the current class state.
+
+	<P>"requesting-user-name-allowed" (1setof name(127))
+	<P><I>OR</I>
+	<P>"requesting-user-name-denied" (1setof name(127)):
+
+	<P>The client OPTIONALLY supplies one of these attributes to
+	specify an access control list for incoming print jobs. To allow
+	all users access to a class, use the delete tag for the
+	attribute value.
+
+</UL>
+
+<H3>CUPS-Add-Class Response</H3>
+
+<P>The following groups of attributes are send as part of the CUPS-Add-Class Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Delete-Class Operation</H2>
+
+<P>The CUPS-Delete-Class operation (0x4007) removes an existing printer
+class from the system.
+
+<H3>CUPS-Delete-Class Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Delete-Class request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer class.
+
+</UL>
+
+<H3>CUPS-Delete-Class Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Delete-Class Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Accept-Jobs Operation</H2>
+
+<P>The CUPS-Accept-Jobs operation (0x4008) sets the
+"printer-is-accepting-jobs" attribute to true for the specified printer
+or printer class.
+
+<H3>CUPS-Accept-Jobs Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Accept-Jobs request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer or printer class.
+
+</UL>
+
+<H3>CUPS-Accept-Jobs Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Accept-Jobs Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Reject-Jobs Operation</H2>
+
+<P>The CUPS-Reject-Jobs operation (0x4009) sets
+the"printer-is-accepting-jobs" attribute to false for the specified
+printer or printer class.
+
+<H3>CUPS-Reject-Jobs Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Reject-Jobs request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer or printer class.
+
+</UL>
+
+<P>Group 2: Printer Object Attributes
+
+<UL>
+
+	<P>"printer-state-message" (text(MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute indicating a
+	textual reason for the current printer state.
+
+</UL>
+
+<H3>CUPS-Reject-Jobs Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Reject-Jobs Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Set-Default Operation</H2>
+
+<P>The CUPS-Set-Default operation (0x400A) sets the default printer
+destination for all clients when a resource name of "/printers" is
+specified.
+
+<H3>CUPS-Set-Default Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Set-Default request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri):
+
+	<P>The client MUST supply a URI for the specified printer or
+	printer class.
+
+</UL>
+
+<H3>CUPS-Set-Default Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Set-Default Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H2>CUPS-Get-Devices Operation</H2>
+
+<P>The CUPS-Get-Devices operation (0x400B) returns all of the supported
+device-uri's for the server (CUPS 1.1 and higher).
+
+<H3>CUPS-Get-Devices Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Get-Devices request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"device-class" (type1 keyword):
+
+	<P>The client OPTIONALLY supplies a device class keyword to select
+	which devices are returned.
+
+	<P>"limit" (integer (1:MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute limiting the number of
+	devices that are returned.
+
+	<P>"requested-attributes" (1setOf keyword) :
+
+	<P>The client OPTIONALLY supplies a set of attribute names and/or
+	attribute group names in whose values the requester is interested. If
+	the client omits this attribute, the server responds as if this
+	attribute had been supplied with a value of 'all'.
+
+</UL>
+
+<H3>CUPS-Get-Devices Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Get-Devices Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: Device Object Attributes
+
+<UL>
+
+	<P>The set of requested attributes and their current values for
+	each device.
+
+</UL>
+
+<H2>CUPS-Get-PPDs Operation</H2>
+
+<P>The CUPS-Get-PPDs operation (0x400C) returns all of the locally
+available PPD files on the system (CUPS 1.1 and higher).
+
+<H3>CUPS-Get-PPDs Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Get-PPDs request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"limit" (integer (1:MAX)):
+
+	<P>The client OPTIONALLY supplies this attribute limiting the number of
+	PPDs that are returned.
+
+	<P>"ppd-make" (text(127)):
+
+	<P>The client OPTIONALLY supplies a printer manufacturer to select
+	which PPDs are returned.
+
+	<P>"requested-attributes" (1setOf keyword) :
+
+	<P>The client OPTIONALLY supplies a set of attribute names and/or
+	attribute group names in whose values the requester is interested. If
+	the client omits this attribute, the server responds as if this
+	attribute had been supplied with a value of 'all'.
+
+</UL>
+
+<H3>CUPS-Get-PPDs Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Get-PPDs Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<P>Group 2: PPD Attributes
+
+<UL>
+
+	<P>The set of requested attributes and their current values for each
+	PPD file.
+
+</UL>
+
+<H2>CUPS-Move-Job Operation</H2>
+
+<P>The CUPS-Move-Job operation (0x400D) moves an active print job to a
+different printer (CUPS 1.1 and higher).
+
+<H3>CUPS-Move-Job Request</H3>
+
+<P>The following groups of attributes are supplied as part of the
+CUPS-Move-Job request:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.1 of the IPP Model and
+	Semantics document.
+
+	<P>"printer-uri" (uri) and "job-id" (integer)
+	<P><I>OR</I>
+	<P>"job-uri":
+
+	<P>The client MUST supply a URI for the specified printer and
+	a job ID number, or the job URI.
+
+</UL>
+
+<P>Group 2: Job Template Attributes
+
+<UL>
+
+	<P>"job-printer-uri" (uri)
+
+	<P>The client MUST supply a URI for a printer on the same server.
+
+</UL>
+
+<H3>CUPS-Move-Job Response</H3>
+
+<P>The following groups of attributes are send as part of the
+CUPS-Move-Job Response:
+
+<P>Group 1: Operation Attributes
+
+<UL>
+
+	<P>Status Message:
+
+	<P>The standard response status message.
+
+	<P>Natural Language and Character Set:
+
+	<P>The "attributes-charset" and "attributes-natural-language"
+	attributes as described in section 3.1.4.2 of the IPP Model and
+	Semantics document.
+
+</UL>
+
+<H1>Attributes</H1>
+
+<P>CUPS provides many extension attributes to support multiple devices,
+PPD files, standard job filters, printers, and printer classes.
+
+<H2>Device Attributes</H2>
+
+<P>Device attributes are returned by the CUPS-Get-Devices operation and
+enumerate all of the available hardware devices and network protocols
+that are supported by the server.
+
+<H3>device-class (type2 keyword)</H3>
+
+<P>The device-class attribute specifies the class of device and can be
+one of the following:
+
+<UL>
+
+	<LI>"file" - a disk file.
+
+	<LI>"direct" - a parallel or fixed-rate serial data port,
+	currently used for Centronics, IEEE-1284, and USB printer
+	ports.
+
+	<LI>"serial" - a variable-rate serial port.
+
+	<LI>"network" - a network connection, typically via AppSocket,
+	HTTP, IPP, LPD, or SMB/CIFS protocols.
+
+</UL>
+
+<H3>device-info (text(127))</H3>
+
+<P>The device-info attribute specifies a human-readable string describing
+the device, e.g. "Parallel Port #1".
+
+<H3>device-make-and-model (text(127))</H3>
+
+<P>The device-makr-and-model attribute specifies a device
+identification string provided by the printer connected to the device.
+If the device or printer does not support identification then this
+attribute contains the string "unknown".
+
+<H3>device-uri (uri)</H3>
+
+<P>The device-uri attribute specifies a unique identifier for the
+device. The actual format of the device-uri string depends on the value
+of the device-class attribute:
+
+<UL>
+
+	<LI>"file" - The device-uri will be of the form
+	"file:/path/to/filename".
+
+	<LI>"direct" - The device-uri will be of the form
+	"method:/dev/filename", where method may be "parallel" or "usb"
+	in the current implementation.
+
+	<LI>"serial" - The device-uri will be of the form
+	"serial:/dev/filename?baud=value+parity=value+flow=value".
+	The baud value is the data rate in bits per second; the
+	supported values depend on the underlying hardware.
+	The parity value can be one of "none", "even", or "odd".
+	The flow value can be one of "none", "soft" (XON/XOFF
+	handshaking), "hard" or "rts/cts" (RTS/CTS handshaking),
+	or "dtrdsr" (DTR/DSR handshaking).
+
+	<P>The URI returned by CUPS-Get-Devices will contain the
+	maximum baud rate supported by the device and the best
+	type of flow control available ("soft" or "hard").
+
+	<LI>"network" - The device-uri will be of the form
+	"method://[username:password@]hostname[:port]/[resource]",
+	where method may be "http", "ipp", "lpd", "smb", or
+	"socket" in the current implementation.
+
+	<P>The URI returned by CUPS-Get-Devices will only contain
+	the method name followed by two slashes ("method://").
+	It is up to the client application to add the appropriate
+	host and other information when adding a new printer.
+
+	<P>The URI returned by Get-Printer-Attributes and
+	CUPS-Get-Printers has any username and password information
+	stripped; the information is still stored and used by the
+	server internally to perform any needed authentication.
+
+</UL>
+
+<H2>Job Template Attributes</H2>
+
+<H3>blackplot (boolean)</H3>
+
+<P>The blackplot attribute specifies whether HP-GL/2 plot files should be
+rendered entirely in black ink (blackplot=true) or using the colors and shades
+specified in the file (blackplot=false). The default value is false.
+
+<H3>brightness (integer(0:200))</H3>
+
+<P>The brightness attribute specifies the overall brightness of the printed
+output in percent. A brightness of 100 is normal, while 200 is twice as
+bright and 50 is half as bright. The default value is 100.
+
+<P>Brightness is applied to the Cyan, Magenta, Yellow, and Black values using
+the function "f(x) = brightness / 100 * x".
+
+<H3>columns (integer(1:4))</H3>
+
+<P>The columns attribute specifies the number of columns to generate when
+printing text files. The default value is 1.
+
+<H3>cpi (type2 enum)</H3>
+
+<P>The cpi attribute specifies the number of characters per inch when
+printing text files. Only the values 10, 12, and 17 are currently
+supported. The default value is 10.
+
+<H3>fitplot (boolean)</H3>
+
+<P>The fitplot attribute specifies whether to scale HP-GL/2 plot files to
+fit on the selected media (fitplot=true) or use the physical scale specified
+in the plot file (fitplot=false). The default value is false.
+
+<H3>gamma (integer(1:10000))</H3>
+
+<P>The gamma attribute specifies the luminance correction for the output.
+A value of 1000 specifies no correction, while values of 2000 and 500 will
+generate lighter and darker output, respectively. The default value is
+1000.
+
+<P>Gamma is applied to the Red, Green, and Blue values (or luminance for
+grayscale output) using the function "f(x) = x<SUP>(1000/gamma)</SUP>".
+
+<H3>hue (integer(-180:180))</H3>
+
+<P>The hue attribute specifies a color hue rotation when printing image
+files. The default value is 0.
+
+<H3>job-billing (text(MAX))</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-billing attribute provides a text value to associate with a job
+for billing purposes.
+
+<H3>job-hold-until (keyword | name(MAX))</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-hold-until attribute specifies a hold time. In addition to the
+standard IPP/1.1 keyword names, CUPS supports name values of the form
+"HH:MM" and "HH:MM:SS" that specify a hold time. The hold time is in
+Greenwich Mean Time (GMT) and <I>not</I> in the local time zone. If the
+specified time is less than the current time, the job is held until the
+next day.
+
+<H3>job-sheets (1setof type3 keyword | name(MAX))</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-sheets attribute specifies one or two banner files that are printed
+before and after a job. The reserved value of "none" disables banner printing.
+The default value is stored in the job-sheets-default attribute.
+
+<P>If only one value is supplied, the banner file is printed before the job.
+If two values are supplied, the first value is used as the starting banner
+file and the second as the ending banner file.
+
+<H3>job-originating-host-name (name(MAX))</H3>
+
+<P><I>(CUPS 1.1.5 and higher)</I>
+
+<P>The job-originating-host-name attribute specifies the host
+from which the job was queued. The value will be the hostname or
+IP address of the client depending on whether hostname
+resolution is enabled.  The localhost address (127.0.0.1) is
+<B>always</B> resolved to the name "localhost".
+
+<P>This attribute is read-only.
+
+<H3>lpi (type2 enum)</H3>
+
+<P>The lpi attribute specifies the number of lines per inch when
+printing text files. Only the values 6 and 8 are currently supported.
+The default value is 6.
+
+<H3>natural-scaling (integer(1:1000))</H3>
+
+<P><I>(CUPS 1.1.9 and higher)</I>
+
+<P>The natural-scaling attribute specifies the scaling of image files with
+respect to the natural image size. A value of 100 specifies that the image
+file should exactly the natural size, while 50 is half the natural size
+and 200 is twice the natural size. The default value is 100.
+
+<P>The ppi option can be used to override the natural resolution of the
+image, which controls the natural size.
+
+<H3>page-bottom (integer(0:MAX))</H3>
+
+<P>The page-bottom attribute specifies the bottom margin in points (72 points
+equals 1 inch). The default value is the device physical margin.
+
+<H3>page-label (text(MAX))</H3>
+
+<P><I>(CUPS 1.1.7 and higher)</I>
+
+<P>The page-label attribute provides a text value to place in
+the header and footer on each page. If a classification level is
+set on the server, then this classification is printed before
+the page label.
+
+<H3>page-left (integer(0:MAX))</H3>
+
+<P>The page-left attribute specifies the left margin in points (72 points
+equals 1 inch). The default value is the device physical margin.
+
+<H3>page-right (integer(0:MAX))</H3>
+
+<P>The page-right attribute specifies the right margin in points (72 points
+equals 1 inch). The default value is the device physical margin.
+
+<H3>page-set (type2 keyword)</H3>
+
+<P>The page-set attribute specifies which pages to print in a file. The
+supported keywords are "all", "even", and "odd". The default value is
+"all".
+
+<H3>page-top (integer(0:MAX))</H3>
+
+<P>The page-top attribute specifies the top margin in points (72 points
+equals 1 inch). The default value is the device physical margin.
+
+<H3>penwidth (integer(0:MAX))</H3>
+
+<P>The penwidth attribute specifies the default pen width in micrometers
+when printing HP-GL/2 plot files. The default value is 1000 (1 millimeter).
+
+<H3>position (type2 keyword)</H3>
+
+<P>The position attribute specifies the location of image files on the
+media. The following keyword values are recognized:
+
+<UL>
+
+	<LI><CODE>center</CODE> - Center the image on the page (default)
+
+	<LI><CODE>top</CODE> - Print the image centered at the top of the page
+
+	<LI><CODE>left</CODE> - Print the image centered on the left of page
+
+	<LI><CODE>right</CODE> - Print the image centered on the right of the page
+
+	<LI><CODE>top-left</CODE> - Print the image at the top left corner of
+	the page
+
+	<LI><CODE>top-right</CODE> - Print the image at the top right corner of
+	the page
+
+	<LI><CODE>bottom</CODE> - Print the image centered at the bottom of
+	the page
+
+	<LI><CODE>bottom-left</CODE> - Print the image at the bottom left
+	corner of the page
+
+	<LI><CODE>bottom-right</CODE> - Print the image at the bottom right
+	corner of the page
+
+</UL>
+
+<H3>ppi (integer(1:MAX))</H3>
+
+<P>The ppi attribute specifies the resolution of an image file in pixels
+per inch. The default value is the resolution included with the file or
+128 if no resolution information is available.
+
+<H3>prettyprint (boolean)</H3>
+
+<P>The prettyprint attribute specifies whether text files should be printed
+with a shaded header and keyword highlighting (prettyprint=true) or without
+additional formatting (prettyprint=false). The default value is false.
+
+<H3>saturation (integer(0:200))</H3>
+
+<P>The saturation attribute specifies the color saturation when
+printing image files. A saturation of 100 is normal, while values of 50
+and 200 will be half and twice as colorful, respectively. The default
+value is 100.
+
+<H3>scaling (integer(1:1000))</H3>
+
+<P>The scaling attribute specifies the scaling of image files with
+respect to the selected media. A value of 100 specifies that the image
+file should fit 100% of the page, or as much as possible given the
+image dimensions. The default value is unspecified.
+
+<P>The scaling attribute overrides the ppi attribute if specified.
+
+<H3>wrap (boolean)</H3>
+
+<P>The wrap attribute specifies whether long lines should be wrapped
+(wrap=true) or not (wrap=false) when printing text files. The default
+value is true.
+
+<H2>PPD Attributes</H2>
+
+<H3>ppd-natural-language (naturalLanguage)</H3>
+
+<P>The ppd-natural-language attribute specifies the language encoding
+of the PPD file (the LanguageVersion attribute in the PPD file). If the
+language is unknown or undefined then "en" (English) is assumed.
+
+<H3>ppd-make (text(127))</H3>
+
+<P>The ppd-make attribute specifies the manufacturer of the printer
+(the Manufacturer attribute in the PPD file). If the manufacturer
+is not specified in the PPD file then an educated guess is made using
+the NickName attribute in the PPD file.
+
+<H3>ppd-make-and-model (text(127))</H3>
+
+<P>The ppd-make-and-model attribute specifies the manufacturer and model
+name of the PPD file (the NickName attribute in the PPD file). If the
+make and model is not specified in the PPD file then the ModelName or
+ShortNickName attributes are used instead.
+
+<H3>ppd-name (name(255))</H3>
+
+<P>The ppd-name attribute specifies the PPD filename on the server
+relative to the model directory. The forward slash (/) is used to
+delineate directories.
+
+<H2>Printer Attributes</H2>
+
+<H3>job-k-limit (integer)</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-k-limit attribute specifies the maximum number of kilobytes that
+may be printed by a user, including banner files. The default value of 0
+specifies that there is no limit.
+
+<H3>job-page-limit (integer)</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-page-limit attribute specifies the maximum number of pages that
+may be printed by a user, including banner files. The default value of 0
+specifies that there is no limit.
+
+<H3>job-quota-period (integer)</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-quota-period attribute specifies the time period used for quota
+calculations, in seconds. The default value of 0 specifies that the limits
+apply to all jobs that have been printed by a user that are still known to
+the system.
+
+<H3>job-sheets-supported (1setof type3 keyword | name(MAX))</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The job-sheets-supported attribute specifies the available banner files.
+There will always be at least one banner file available called "none".
+
+<H3>printer-type (type2 enum)</H3>
+
+<P>The printer-type attribute specifies printer type and capability bits for
+the printer or class. The default value is computed from internal state
+information and the PPD file for the printer. The following bits are defined:
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Bit</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000001</TD>
+	<TD VALIGN="TOP">Is a printer class.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000002</TD>
+	<TD VALIGN="TOP">Is a remote destination.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000004</TD>
+	<TD VALIGN="TOP">Can print in black.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000008</TD>
+	<TD VALIGN="TOP">Can print in color.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000010</TD>
+	<TD VALIGN="TOP">Can print on both sides of the page in hardware.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000020</TD>
+	<TD VALIGN="TOP">Can staple output.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000040</TD>
+	<TD VALIGN="TOP">Can do fast copies in hardware.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000080</TD>
+	<TD VALIGN="TOP">Can do fast copy collation in hardware.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000100</TD>
+	<TD VALIGN="TOP">Can punch output.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000200</TD>
+	<TD VALIGN="TOP">Can cover output.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000400</TD>
+	<TD VALIGN="TOP">Can bind output.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00000800</TD>
+	<TD VALIGN="TOP">Can sort output.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00001000</TD>
+	<TD VALIGN="TOP">Can handle media up to US-Legal/A4.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00002000</TD>
+	<TD VALIGN="TOP">Can handle media from US-Legal/A4 to ISO-C/A2.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00004000</TD>
+	<TD VALIGN="TOP">Can handle media larger than ISO-C/A2.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00008000</TD>
+	<TD VALIGN="TOP">Can handle user-defined media sizes.</TD>
+</TR>
+<TR>
+	<TD VALIGN="TOP">0x00010000</TD>
+	<TD VALIGN="TOP">Is an implicit (server-generated) class.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>printer-type-mask (type2 enum)</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The printer-type-mask attribute is used to choose printers or classes with
+the CUPS-Get-Printers and CUPS-Get-Classes operations. The bits are defined
+identically to the printer-type attribute and default to all 1's.
+
+<H3>requesting-user-name-allowed (1setof name(127))</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The requesting-user-name-allowed attribute lists all of the users that are
+allowed to access a printer or class. Either this attribute or the
+requesting-user-name-denied attribute will be defined, but not both.
+
+<H3>requesting-user-name-denied (1setof name(127))</H3>
+
+<P><I>(CUPS 1.1 and higher)</I>
+
+<P>The requesting-user-name-denied attribute lists all of the users that are
+not allowed to access a printer or class. Either this attribute or the
+requesting-user-name-allowed attribute will be defined, but not both.
+
+<H2>Printer Class Attributes</H2>
+
+<H3>member-names (1setof name(127))</H3>
+
+<P>The member-names attribute specifies each of the printer-name attributes of
+the member printers and classes. Each name corresponds to the same element of
+the member-uris attribute.
+
+<H3>member-uris (1setof uri)</H3>
+
+<P>The member-uris attribute specifies each of the printer-uri attributes of
+the member printers and classes. Each URI corresponds to the same element of
+the member-names attribute.
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
diff --git a/doc/overview.html b/doc/overview.html
new file mode 100644
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+<HTML>
+<HEAD>
+	<META NAME="Author" CONTENT="Michael Sweet">
+	<TITLE>An Overview of the Common UNIX Printing System</TITLE>
+	<LINK REL=STYLESHEET TYPE="text/css" HREF="cupsdoc.css">
+</HEAD>
+<BODY>
+<TABLE WIDTH="100%">
+<TR VALIGN=TOP>
+	<TD><IMG SRC="images/cups-large.gif" WIDTH="103" HEIGHT="120"></TD>
+	<TD><H1 ALIGN="RIGHT">An Overview of the<BR>
+	Common UNIX Printing System,<BR>
+	Version 1.1</H1>
+
+	<P ALIGN="RIGHT">July 10, 2000<BR>
+	Michael Sweet, Easy Software Products<BR>
+	Copyright 1998-2002, All Rights Reserved.</P>
+	</TD>
+</TR>
+</TABLE>
+
+<P>This whitepaper describes the Common UNIX Printing
+System<SUP>TM</SUP> ("CUPS<SUP>TM</SUP>"), a portable and extensible
+printing system for UNIX<SUP>&reg;</SUP>. CUPS is being developed by
+<A HREF="http://www.easysw.com">Easy Software Products</A>, a software
+firm located in Hollywood, Maryland that has been selling commercial
+software for UNIX since 1993 through more than 40 distributors serving
+over 80 countries worldwide.
+
+<P>Additional information on CUPS is available on the World Wide Web at
+"<A HREF="http://www.cups.org">http://www.cups.org</A>".
+
+<H2>Background</H2>
+
+<P>Printing within UNIX has historically been done using one of two
+printing systems - the Berkeley Line Printer Daemon ("LPD") [RFC1179]
+and the AT&amp;T Line Printer system. These printing systems were
+designed in the 70's for printing text to line printers; vendors have
+since added varying levels of support for other types of printers.
+
+<P>Replacements for these printing systems have emerged [LPRng,
+Palladin, PLP], however none of the replacements change the fundamental
+capabilities of these systems.
+
+<P>Over the last few years several attempts at developing a standard
+printing interface have been made, including the draft POSIX Printing
+standard developed by the Institute of Electrical and Electronics
+Engineers, Inc. ("IEEE") [IEEE-1387.4] and Internet Printing Protocol
+("IPP") developed by the Internet Engineering Task Force ("IETF")
+through the Printer Working Group ("PWG") [IETF-IPP]. The POSIX
+printing standard defines a common set of command-line tools as well as
+a C interface for printer administration and print jobs, but has been
+shelved by the IEEE.
+
+<P>The Internet Printing Protocol defines extensions to the HyperText
+Transport Protocol 1.1 [RFC2616] to provide support for remote printing
+services. IPP/1.0 was accepted by the IETF as an experimental Request
+For Comments [RFC] document in October of 1999. Since then the Printer
+Working Group has developed an updated set of specifications for
+IPP/1.1 which have been accepted by the IETF and are awaiting
+publication as proposed standards. Unlike POSIX Printing, IPP enjoys
+widespread industry support and is poised to become the standard
+network printing solution for all operating systems.
+
+<P>CUPS uses IPP/1.1 to provide a complete, modern printing system for
+UNIX that can be extended to support new printers, devices, and
+protocols while providing compatibility with existing UNIX
+applications. CUPS is free software provided under the terms of the
+GNU General Public License and GNU Library General Public License.
+
+<H2>History</H2>
+
+<P>The first production release of CUPS (based on IPP/1.0) was released
+in October of 1999. Since then, we have released several patch updates
+to the original CUPS 1.0 release that addressed security, portability,
+and bugs found, but no new functionality was added to improve the
+stability of the CUPS code.
+
+<P>CUPS 1.1 is based on IPP/1.1 and adds many of the functional
+enhancements that have been requested by our users. As with 1.0, CUPS
+1.1 will be followed by patch releases that address any problems found
+with the software but add no new features.
+
+<H2>Design Overview</H2>
+
+<P>Like most printing systems, CUPS is designed around a central print
+scheduling process that dispatches print jobs, processes administrative
+commands, provides printer status information to local and remote
+programs, and informs users as needed. Figure 1 shows the basic
+organization of CUPS.
+
+<CENTER><IMG SRC="images/cups-block-diagram.gif" WIDTH="470" HEIGHT="170"></CENTER>
+<P ALIGN="CENTER">Figure 1 - CUPS Block Diagram</P>
+
+<H3>Scheduler</H3>
+
+<P>The scheduler is a HTTP/1.1 server application that handles HTTP
+requests. Besides handling printer requests via IPP POST requests, the
+scheduler also acts as a full-featured web server for documentation,
+status monitoring, and administration.
+
+<P>The scheduler also manages a list of available printers on the LAN
+and dispatches print jobs as needed using the appropriate filters and
+backends.
+
+<H3>Configuration Files</H3>
+
+The configuration files consist of:
+
+<UL>
+
+	<LI>The HTTP server configuration file.
+
+	<LI>Printer and class definition files.
+
+	<LI>MIME type and conversion rule files.
+
+	<LI>PostScript Printer Description ("PPD") files.
+
+</UL>
+
+<P>The HTTP server configuration file is purposely similar to the
+Apache server configuration file and defines all of the access control
+properties for the server.
+
+<P>The printer and class definition files list the available printer
+queues and classes. Printer classes are collections of printers. Jobs
+sent to a class are forwarded to the first available printer in the
+class, round-robin fashion.
+
+<P>The MIME type files list the supported MIME types (text/plain,
+application/postscript, etc.) and "magic" rules for automatically
+detecting the format of a file.  These are used by the HTTP server to
+determine the <I>Content-Type</I> field for <I>GET</I> and <I>HEAD</I>
+requests and by the IPP request handler to determine the file type
+when a <I>Print-Job</I> or <I>Send-File</I> request is received with a
+<I>document-format</I> of <I>application/octet-stream</I>.
+
+<P>The MIME conversion rule files list the available filters. The
+filters are used when a job is dispatched so that an application can
+send a convenient file format to the printing system which then
+converts the document into a printable format as needed. Each filter
+has a relative cost associated with it, and the filtering algorithm
+chooses the set of filters that will convert the file to the needed
+format with the lowest total "cost".
+
+<P>The PPD files describe the capabilities of all printers, not just
+PostScript printers. There is one PPD file for each printer. PPD files
+for non-PostScript printers define additional filters through
+<I>cupsFilter</I> attributes to support printer drivers.
+
+<H3>CUPS API</H3>
+
+<P>The CUPS API contains CUPS-specific convenience functions for queuing
+print jobs, getting printer information, accessing resources via HTTP
+and IPP, and manipulating PPD files. Unlike the rest of CUPS, the CUPS
+API is provided under the terms of the GNU LGPL so it may be used by
+non-GPL applications.
+
+<H3>Berkeley and System V Commands</H3>
+
+<P>CUPS provides the System V and Berkeley command-line interfaces for
+submitting jobs and checking the printer status. The
+<CODE>lpstat</CODE> and <CODE>lpc status</CODE> commands also show
+network printers ("printer@server") when printer browsing is enabled.
+
+<P>The System V administation commands are supplied for managing
+printers and classes. The Berkeley printer administration tool
+(<CODE>lpc</CODE>) is only supported in a "read-only" mode to check the
+current status of the printer queues and scheduler.
+
+<H3>Filters</H3>
+
+<P>A filter program reads from the standard input or from a file if a
+filename is supplied. All filters must support a common set of options
+including printer name, job ID, username, job title, number of copies,
+and job options. All output is sent to the standard output.
+
+<P>Filters are provided for many file formats and include image file
+and PostScript raster filters that support non-PostScript printers. Multiple
+filters are run in parallel to produce the required output format.
+
+<P>The PostScript raster filter is based on the GNU Ghostscript 5.50
+core. Instead of using the Ghostscript printer drivers and front-end,
+the CUPS filter uses a generic raster printer driver and CUPS-compliant
+front-end to support any kind of raster printer. This allows the same
+printer driver filter to be used for printing raster data from any
+filter.
+
+<H3>CUPS Imaging</H3>
+
+<P>The CUPS Imaging library provides functions for managing large
+images, doing colorspace conversion and color management, scaling
+images for printing, and managing raster page streams. It is used by
+the CUPS image file filters, the PostScript RIP, and all raster
+printers drivers.
+
+<H3>Backends</H3>
+
+<P>A backend program is a special filter that sends print data to a
+device or network connection. Backends for parallel, serial, USB, LPD, IPP,
+and AppSocket (JetDirect) connections are provided in CUPS 1.1.
+
+<P>SAMBA version 2.0.6 and higher includes a SMB backend
+(<CODE>smbspool(1)</CODE>) that can be used with CUPS 1.0 or 1.1 for
+printing to Windows.
+
+<H2>Network Printing</H2>
+
+<P>Traditionally, network printing has been one of the hardest things to
+get working under UNIX. One reason is because each vendor added their
+own extensions to the LPD protocol (the previous standard for network
+printing), making cross-platform printing difficult if not impossible.
+
+<P>Another reason is that you have to administer every network printer
+on every client machine. In some cases you can "clone" the printer
+configuration from a "master" client to each of the others, but even
+that can be time-consuming and error-prone. Something better is needed.
+
+<P>CUPS provides "printer browsing", which allows clients to
+automatically see and use printers from any server on a LAN. This means
+that you only need to configure the server and the clients will
+automatically see the printers and classes on it.
+
+<P>In addition, CUPS can automatically merge multiple identical network
+printers into "implicit classes". This allows clients to send jobs to
+the implicit class and have them print on the first available printer
+or server. In addition, failsafe and load-balancing functions are
+enabled simply by defining the same printer on multiple servers!
+
+<H2>New Features in CUPS 1.1</H2>
+
+<P>CUPS 1.1 includes many new features and capabilities:
+
+<OL>
+
+	<LI><A HREF="#BACKENDS">Backends</A>
+
+	<LI><A HREF="#BANNERS">Banner Page Support</A>
+
+	<LI><A HREF="#DIGEST">Digest Authentication</A>
+
+	<LI><A HREF="#DIRSVC">Directory Services</A>
+
+	<LI><A HREF="#FHS2">Directory Structure Changes</A>
+
+	<LI><A HREF="#DOCOS">Documentation</A>
+
+	<LI><A HREF="#DRIVERS">Drivers</A>
+
+	<LI><A HREF="#FILTERS">Filters</A>
+
+	<LI><A HREF="#IPP">IPP Support</A>
+
+	<LI><A HREF="#PERSISTENCE">Job Persistence</A>
+
+	<LI><A HREF="#LPD">LPD Client Support</A>
+
+	<LI><A HREF="#USEROPTS">User-Defined Printers and Options</A>
+
+	<LI><A HREF="#WEB">Web Administration Interface</A>
+
+</OL>
+
+<H3><A NAME="BACKENDS">1. Backends</A></H3>
+
+<P>CUPS 1.1 implements a new backend interface for retrieving a list of
+available devices for CUPS clients. This allows administration
+interfaces to query the CUPS scheduler for a list of available devices,
+automatically configure printers if the device identification
+information is available, and present the user with a list of available
+devices rather than relying on the user to know what devices are
+configured on the system.
+
+<P>The new release also includes a backend for USB printers under
+*BSD and Linux. Support for USB under Solaris 8 will be provided in
+a subsequent patch release.
+
+<H3><A NAME="BANNERS">2. Banner Page Support</A></H3>
+
+<P>CUPS 1.1 includes support for banner pages at the beginning and end
+of a job. Banner pages may be of any file format and support variable
+substitution for job titles, usernames, etc. Default banner pages are
+associated with each printer and can be overridden with command-line
+options by the user.
+
+<H3><A NAME="DIGEST">3. Digest Authentication</A></H3>
+
+<P>Digest authentication provides a more secure method of authenticating
+access to the printing system. Unlike Basic authentication, Digest
+authentication does not send passwords "in the clear" so it is more
+difficult to gain unauthorized access to your system.
+
+<P>CUPS 1.1 implements Digest authentication using a special MD5
+password file instead of the UNIX password file. This file is managed
+using the new <CODE>lppasswd</CODE> command.
+
+<H3><A NAME="DIRSVC">4. Directory Services</A></H3>
+
+<P>CUPS 1.1 adds new directory service ("printer browsing") features to
+make using CUPS on large LANs and WANs easier. You can now poll a
+remote server for printer information and relay it to the LAN as well
+as restrict what printer information is processed (e.g. to "hide"
+servers, domains, or networks that you don't want to see.)
+
+<H3><A NAME="FHS2">5. Directory Structure Changes</A></H3>
+
+<P>CUPS 1.1 now uses a directory structure that complies with the
+Filesystem Hierarchy Standard ("FHS"), version 2.0. This should make
+integration into existing Linux and *BSD distributions a lot easier.
+
+<H3><A NAME="DOCOS">6. Documentation</A></H3>
+
+<P>The CUPS 1.1 documentation has gone through many revisions,
+including a completely rewritten administrators manual, a new
+programmers manual, and an IPP implementation reference manual.
+
+<H3><A NAME="DRIVERS">7. Drivers</A></H3>
+
+<P>CUPS 1.1 includes drivers for EPSON dot-matrix and inkjet printers.
+As with the HP PCL drivers, the EPSON drivers don't necessarily provide
+the best possible output for each printer but should provide adequate
+printing quality for general day-to-day printing.
+
+<H3><A NAME="FILTERS">8. Filters</A></H3>
+
+<P>CUPS 1.1 includes new image, PostScript, PDF, and text filters. The image
+filters have been upgraded to support Windows BMP and Alias PIX files.
+
+<P>The PostScript filter is now based off GNU Ghostscript 5.50. The new
+filter provides much better performance with higher-resolution printers
+and supports most Level 3 PostScript language features.
+
+<P>The new PDF filter is based off the excellent Xpdf software from
+Derek Noonburg and supports automatic page scaling. The new filter is a
+faster, smaller, more reliable replacement for the GNU Ghostscript PDF
+filtering that was used in CUPS 1.0.
+
+<P>The new text filter now supports bidirectional text and can embed
+fonts as needed.
+
+<H3><A NAME="IPP">9. IPP Support</A></H3>
+
+<P>Probably the least visible portion of CUPS is the IPP support. CUPS
+1.1 implements all of the required IPP/1.1 operations and attributes
+and most of the optional ones. The optional Create-Job and Send-File
+operations are now implemented, allowing for better System V printing
+system compatibility (one job ID per <CODE>lp</CODE> command) and
+support for banner pages.
+
+<H3><A NAME="PERSISTENCE">10. Job Persistence</A></H3>
+
+<P>CUPS 1.1 supports job persistence. This means that jobs are preserved
+even after a reboot, a feature that was sorely missing from CUPS 1.0.
+
+<P>In addition, CUPS 1.1 allows you to keep job information after the
+job has printed. The basic post-job persistence mode provides a job
+history (number of pages printed, time job was printed, etc.) but does
+not preserve the actual job files. This can be changed to discard all
+information after a job is printed or keep the job files after printing
+so you can reprint a job at some later time.
+
+<H3><A NAME="LPD">11. LPD Client Support</A></H3>
+
+<P>By popular request, CUPS 1.1 supports LPD-based clients using a new
+mini-daemon that handles LPD requests and passes them on to the main
+server.
+
+<H3><A NAME="USEROPTS">12. User-Defined Printers and Options</A></H3>
+
+<P>CUPS 1.1 includes support for user-defined printers and options via
+a new <CODE>lpoptions</CODE> command. User-defined printers are special
+instances of the available printers (e.g. "printer/instance" or
+"printer@server/instance") that can have their own default options such
+as media size, resolution, and so forth. The <CODE>lpoptions</CODE>
+command can also be used to set a different default printer queue.
+
+<H3><A NAME="WEB">13. Web Administration Interface</A></H3>
+
+<P>CUPS 1.0 provided a simple class, job, and printer monitoring
+interface for web browsers. CUPS 1.1 replaces this interface with an
+enhanced administration interface that allows you to add, modify,
+delete, configure, and control classes, jobs, and printers.
+
+<H2>Software Using CUPS</H2>
+
+<P>A lot has happened since CUPS 1.0 came out, and many software packages
+are supporting CUPS. We have contributed code to the SAMBA team to support
+CUPS, and parts of that are already available in SAMBA 2.0.6 and 2.0.7.
+With any luck the final pieces that provide a complete integration with
+SAMBA will be available in the next release of SAMBA.
+
+<P>Two graphical interfaces have appeared on the scene that use CUPS as
+well. The KUPS project provides a KDE-based interface for CUPS and can be
+found at:
+
+<UL><PRE>
+<A HREF="http://kups.sourceforge.net">http://kups.sourceforge.net</A>
+</PRE></UL>
+
+<P>The X Printing Panel ("XPP") project provides a graphical printing
+panel for CUPS and can be found at:
+
+<UL><PRE>
+<A HREF="http://www.phy.uni-bayreuth.de/till/xpp">http://www.phy.uni-bayreuth.de/till/xpp/</A>
+</PRE></UL>
+
+<P>Numerous other filters, drivers, tutorials, etc. have been made available
+on the CUPS bazaar, available at:
+
+<UL><PRE>
+<A HREF="http://www.cups.org/bazaar.cgi">http://www.cups.org/bazaar.cgi</A>
+</PRE></UL>
+
+<P>Finally, our own ESP Print Pro software uses CUPS to provide drivers
+for thousands of printers and can be found at:
+
+<UL><PRE>
+<A HREF="http://www.easysw.com/printpro">http://www.easysw.com/printpro</A>
+</PRE></UL>
+
+<H2>Operating Systems Using CUPS</H2>
+
+<P>One of our goals has always been to get as many UNIX/Linux
+distributions using CUPS as possible. Debian is currently providing
+CUPS as part of its stable distribution, and many other distributions
+are considering it in their next releases.
+
+<H2>Summary</H2>
+
+<P>The Common UNIX Printing System provides a modern printing interface
+for UNIX applications that is both flexible and user-friendly. The
+software provides System V and Berkeley compatible command-line
+interfaces to ensure compatibility with existing applications. CUPS 1.1
+adds many new features that make it an even better choice for printing
+under UNIX.
+
+<H2>Who to Contact</H2>
+
+<P>For more information on CUPS please contact us at:
+
+<UL><PRE>
+Attn: CUPS Information
+Easy Software Products
+44141 Airport View Drive Suite 204
+Hollywood, Maryland 20636-3111 USA
+
++1.301.373.9600
+
+<A HREF="mailto:cups-info@cups.org">cups-info@cups.org</A>
+</PRE></UL>
+
+<H2>References</H2>
+
+<DL>
+
+	<DT>IEEE-1387.4</DT>
+
+	<DD>System Administration - Part 4: Printing Interfaces (draft)</DD>
+
+	<DT><A HREF="http://www.pwg.org/ipp/index.html">IETF-IPP</A></DT>
+
+	<DD>Internet Printing Protocol/1.1</DD>
+
+	<DT><A HREF="http://www.astart.com/lprng.html">LPRng</A></DT>
+
+	<DD>An enhanced, extended, and portable implementation of the
+	Berkeley LPR print spooler functionality</DD>
+
+	<DT>Palladin</DT>
+
+	<DD>A printing system developed at the Massachussetts Institute
+	of Technology</DD>
+
+	<DT><A HREF="http://www-usa.iona.com//hyplan/jmason/plp.html">PLP</A></DT>
+
+	<DD>The Portable Line Printer spooler system</DD>
+
+	<DT><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC1179</A></DT>
+
+	<DD>Line Printer Daemon Protocol</DD>
+
+	<DT><A HREF="http://www.ietf.org/rfc/rfc2046.txt">RFC2046</A></DT>
+
+	<DD>Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types</DD>
+
+	<DT><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC2616</A></DT>
+
+	<DD>Hypertext Transfer Protocol -- HTTP/1.1</DD>
+
+</DL>
+
+<H2>Trademarks</H2>
+
+<P>The Common UNIX Printing System, CUPS, and the CUPS logo are the
+trademark property of Easy Software Products. All other trademarks are
+the property of their respective owners.
+
+</BODY>
+</HTML>
diff --git a/doc/overview.pdf b/doc/overview.pdf
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+++ b/doc/overview.pdf
diff --git a/doc/printing-overview.shtml b/doc/printing-overview.shtml
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+<H1 ALIGN="RIGHT"><A NAME="OVERVIEW">1 - Printing System Overview</A></H1>
+
+<P>This chapter provides an overview of how the Common UNIX Printing System
+works.
+
+<H2>The Printing Problem</H2>
+
+<P>For years <I>the printing problem</I> has plagued UNIX. Unlike
+Microsoft&reg; Windows&reg; or Mac OS, UNIX has no standard interface or
+system in place for supporting printers. Among the solutions currently
+available, the Berkeley and System V printing systems are the most
+prevalent.
+
+<P>These printing systems support line printers (text only) or
+PostScript printers (text and graphics), and with some coaxing they can
+be made to support a full range of printers and file formats. However,
+because each varient of the UNIX operating system uses a different
+printing system than the next developing printer drivers for a wide
+range of printers and operating systems is extremely difficult. That
+combined with the limited volume of customers for each UNIX varient has
+forced most printer vendors to give up supporting UNIX entirely.
+
+<P>CUPS is designed to eliminate <I>the printing problem</I>. One
+common printing system can be used by all UNIX varients to support the
+printing needs of users. Printer vendors can use its modular filter
+interface to develop a single driver program that supports a wide range
+of file formats with little or no effort.  Since CUPS provides both the
+System V and Berkeley printing commands, users (and applications) can
+reap the benefits of this new technology with no changes.
+
+<H2>The Technology</H2>
+
+<P>CUPS is based upon an emerging Internet standard called the Internet
+Printing Protocol. IPP has been embraced by dozens of printer and
+printer server manufacturers and is supported by Microsoft Windows
+2000.
+
+<P>IPP defines a standard protocol for printing as well as managing
+print jobs and printer options like media size, resolution, and so
+forth. Like all IP-based protocols, IPP can be used locally or over the
+Internet to printers hundreds or thousands of miles away. Unlike other
+protocols, however, IPP also supports access control, authentication,
+and encryption, making it a much more capable and secure printing
+solution than older ones.
+
+<P>IPP is layered on top of the Hyper-Text Transport Protocol ("HTTP")
+which is the basis of web servers on the Internet. This allows users
+to view documentation, check status information on a printer or server,
+and manage their printers, classes, and jobs using their web browser.
+
+<P>CUPS provides a complete IPP/1.1 based printing system that provides
+Basic, Digest, and local certificate authentication and user, domain,
+or IP-based access control. TLS encryption will be available in future
+versions of CUPS.
+
+<H2>Jobs</H2>
+
+<P>Each file or set of files that is submitted for printing is called a
+<I>job</I>. Jobs are identified by a unique number starting at 1 and
+are assigned to a particular destination, usually a printer. Jobs can
+also have options associated with them such as media size, number of
+copies, and priority.
+
+<H2>Classes</H2>
+
+<P>CUPS supports collections of printers known as <I>classes</I>. Jobs
+sent to a class are forwarded to the first available printer in the
+class.
+
+<H2>Filters</H2>
+
+<P>Filters allow a user or application to print many types of files
+without extra effort. Print jobs sent to a CUPS server are filtered
+before sending them to a printer. Some filters convert job files to
+different formats that the printer can understand. Others perform page
+selection and ordering tasks.
+
+<P>CUPS provides filters for printing many types of image files,
+HP-GL/2 files, PDF files, and text files. CUPS also supplies PostScript
+and image file Raster Image Processor ("RIP") filters that convert
+PostScript or image files into bitmaps that can be sent to a raster
+printer.
+
+<H2>Backends</H2>
+
+<P>Backends perform the most important task of all - they send the
+filtered print data to the printer.
+
+<P>CUPS provides backends for printing over parallel, serial, and USB
+ports, and over the network via the IPP, JetDirect (AppSocket), and
+Line Printer Daemon ("LPD") protocols. Additional backends are
+available in network service packages such as the SMB backend
+included with the popular SAMBA software.
+
+<P>Backends are also used to determine the available devices. On
+startup each backend is asked for a list of devices it supports,
+and any information that is available. This allows the parallel
+backend to tell CUPS that an EPSON Stylus Color 600 printer is
+attached to parallel port 1, for example.
+
+<H2>Printer Drivers</H2>
+
+<P>Printer drivers in CUPS consist of one of more filters specific to a
+printer. CUPS includes sample printer drivers for Hewlett-Packard
+LaserJet and DeskJet printers and EPSON 9-pin, 24-pin, Stylus Color,
+and Stylus Photo printers. While these drivers do not generate optimal
+output for the different printer models, they do provide basic printing
+and demonstrate how you can write your own printer drivers and
+incorporate them into CUPS.
+
+<H2>Networking</H2>
+
+<P>Printers and classes on the local system are automatically shared
+with other systems on the network. This allows you to setup one system
+to print to a printer and use this system as a printer server or spool
+host for all of the others. Users may then select a local printer by
+name or a remote printer using "name@server".
+
+<P>CUPS also provides <I>implicit classes</I>, which are collections of
+printers and/or classes with the same name. This allows you to setup
+multiple servers pointing to the same physical network printer, for
+example, so that you aren't relying on a single system for printing.
+Because this also works with printer classes, you can setup multiple
+servers and printers and never worry about a single point of failure
+unless all of the printers and servers go down!
diff --git a/doc/references.shtml b/doc/references.shtml
new file mode 100644
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+++ b/doc/references.shtml
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+<H1>References</H1>
+
+<H2>CUPS Documentation</H2>
+
+<P>The following CUPS documentation is referenced by this document:
+
+<UL>
+	<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan 
+	<LI>CUPS-IDD-1.1: CUPS System Interface Design Description 
+	<LI>CUPS-IPP-1.1: CUPS Implementation of IPP
+	<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual 
+	<LI>CUPS-SDD-1.1: CUPS Software Design Description 
+	<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual
+	<LI>CUPS-SSR-1.1: CUPS Software Security Report 
+	<LI>CUPS-STP-1.1: CUPS Software Test Plan 
+	<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual 
+	<LI>CUPS-SVD-1.1: CUPS Software Version Description 
+</UL>
+
+<H2>Other Documents</H2>
+
+<P>The following non-CUPS documents are referenced by this document:
+
+<UL>
+	<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">Adobe
+	PostScript Printer Description File Format Specification,
+	Version 4.3.</A>
+	<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">Adobe
+	PostScript Language Reference, Third Edition.</A>
+	<LI>IPP: Job and Printer Set Operations
+	<LI>IPP/1.1: Encoding and Transport 
+	<LI>IPP/1.1: Implementers Guide
+	<LI>IPP/1.1: Model and Semantics
+	<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer Daemon Protocol</A>
+	<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals for an Internet Printing Protocol</A>
+	<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale for the Structure of the Model and Protocol</A>
+	for the Internet Printing Protocol</A>
+	<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping between LPD and IPP Protocols</A>
+	<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext Transfer Protocol -- HTTP/1.1</A>
+	<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP Authentication: Basic and Digest Access</A>
+	Authentication
+</UL>
diff --git a/doc/sam.html b/doc/sam.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Administrators Manual</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SAM-1.1.13">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY BGCOLOR="#ffffff">
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Administrators Manual</H1></A><BR>
+CUPS-SAM-1.1.13<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">Preface</A></B>
+<UL>
+<LI><A HREF="#1_1">System Overview</A></LI>
+<LI><A HREF="#1_2">Document Overview</A></LI>
+<LI><A HREF="#1_3">Notation Conventions</A></LI>
+<LI><A HREF="#1_4">Abbreviations</A></LI>
+<LI><A HREF="#1_5">Other References</A></LI>
+</UL>
+<B><A HREF="#OVERVIEW">1 - Printing System Overview</A></B>
+<UL>
+<LI><A HREF="#2_1">The Printing Problem</A></LI>
+<LI><A HREF="#2_2">The Technology</A></LI>
+<LI><A HREF="#2_3">Jobs</A></LI>
+<LI><A HREF="#2_4">Classes</A></LI>
+<LI><A HREF="#2_5">Filters</A></LI>
+<LI><A HREF="#2_6">Backends</A></LI>
+<LI><A HREF="#2_7">Printer Drivers</A></LI>
+<LI><A HREF="#2_8">Networking</A></LI>
+</UL>
+<B><A HREF="#BUILDING_INSTALLING">2 - Building and Installing CUPS</A></B>
+<UL>
+<LI><A HREF="#3_1">Installing a Source Distribution</A></LI>
+<UL>
+<LI><A HREF="#REQUIREMENTS">Requirements</A></LI>
+<LI><A HREF="#COMPILING">Compiling CUPS</A></LI>
+<LI><A HREF="#INSTALLING">Installing the Software</A></LI>
+<LI><A HREF="#RUNNING">Running the Software</A></LI>
+</UL>
+<LI><A HREF="#BINARY">Installing a Binary Distribution</A></LI>
+<UL>
+<LI><A HREF="#PORTABLE-BINARY">Installing a Portable Distribution</A></LI>
+<LI><A HREF="#RPM-BINARY">Installing an RPM Distribution</A></LI>
+<LI><A HREF="#DPKG-BINARY">Installing an Debian Distribution</A></LI>
+</UL>
+</UL>
+<B><A HREF="#MANAGING_PRINTERS">3 - Managing Printers</A></B>
+<UL>
+<LI><A HREF="#4_1">The Basics</A></LI>
+<LI><A HREF="#4_2">Adding Your First Printer</A></LI>
+<UL>
+<LI><A HREF="#4_2_1">Adding Your First Printer from the Command-Line</A></LI>
+<LI><A HREF="#ADD_WEB">Adding Your First Printer from the Web</A></LI>
+</UL>
+<LI><A HREF="#4_3">Managing Printers from the Command-Line</A></LI>
+<UL>
+<LI><A HREF="#4_3_1">Adding and Modifying Printers</A></LI>
+<LI><A HREF="#4_3_2">Deleting Printers</A></LI>
+<LI><A HREF="#4_3_3">Setting the Default Printer</A></LI>
+<LI><A HREF="#4_3_4">Starting and Stopping Printers</A></LI>
+<LI><A HREF="#4_3_5">Accepting and Rejecting Print Jobs</A></LI>
+</UL>
+<LI><A HREF="#4_4">Managing Printers from the Web</A></LI>
+</UL>
+<B><A HREF="#PRINTER_CLASSES">4 - Printer Classes</A></B>
+<UL>
+<LI><A HREF="#5_1">The Basics</A></LI>
+<LI><A HREF="#5_2">Managing Printer Classes from the Command-Line</A></LI>
+<LI><A HREF="#5_3">Managing Printer Classes from the Web Interface</A></LI>
+<LI><A HREF="#5_4">Implicit Classes</A></LI>
+</UL>
+<B><A HREF="#CLIENT_SETUP">5 - Client Setup</A></B>
+<UL>
+<LI><A HREF="#6_1">The Basics</A></LI>
+<UL>
+<LI><A HREF="#CLIENT_MANUAL">Manual Configuration of Print Queues</A></LI>
+<LI><A HREF="#CLIENT_SERVER">Specifying a Single Server for Printing</A></LI>
+<LI><A HREF="#CLIENT_AUTO">Automatic Configuration of Print Queues</A></LI>
+<LI><A HREF="#CLIENT_POLL">Specifying Multiple Servers for Printing</A></LI>
+</UL>
+</UL>
+<B><A HREF="#PRINTING_MANAGEMENT">6 - Printing System Management</A></B>
+<UL>
+<LI><A HREF="#7_1">The Basics</A></LI>
+<LI><A HREF="#RESTARTING">Restarting the CUPS Server</A></LI>
+<LI><A HREF="#7_3">Changing the Server Configuration</A></LI>
+<LI><A HREF="#7_4">Server Directives</A></LI>
+<UL>
+<LI><A HREF="#AccessLog">AccessLog</A></LI>
+<LI><A HREF="#Allow">Allow</A></LI>
+<LI><A HREF="#AuthClass">AuthClass</A></LI>
+<LI><A HREF="#AuthGroupName">AuthGroupName</A></LI>
+<LI><A HREF="#AuthType">AuthType</A></LI>
+<LI><A HREF="#AutoPurgeJobs">AutoPurgeJobs</A></LI>
+<LI><A HREF="#BrowseAddress">BrowseAddress</A></LI>
+<LI><A HREF="#BrowseAllow">BrowseAllow</A></LI>
+<LI><A HREF="#BrowseDeny">BrowseDeny</A></LI>
+<LI><A HREF="#BrowseOrder">BrowseOrder</A></LI>
+<LI><A HREF="#BrowseInterval">BrowseInterval</A></LI>
+<LI><A HREF="#BrowsePoll">BrowsePoll</A></LI>
+<LI><A HREF="#BrowsePort">BrowsePort</A></LI>
+<LI><A HREF="#BrowseProtocols">BrowseProtocols</A></LI>
+<LI><A HREF="#BrowseRelay">BrowseRelay</A></LI>
+<LI><A HREF="#BrowseShortNames">BrowseShortNames</A></LI>
+<LI><A HREF="#BrowseTimeout">BrowseTimeout</A></LI>
+<LI><A HREF="#Browsing">Browsing</A></LI>
+<LI><A HREF="#Classification">Classification</A></LI>
+<LI><A HREF="#ClassifyOverride">ClassifyOverride</A></LI>
+<LI><A HREF="#DataDir">DataDir</A></LI>
+<LI><A HREF="#DefaultCharset">DefaultCharset</A></LI>
+<LI><A HREF="#DefaultLanguage">DefaultLanguage</A></LI>
+<LI><A HREF="#Deny">Deny</A></LI>
+<LI><A HREF="#DocumentRoot">DocumentRoot</A></LI>
+<LI><A HREF="#Encryption">Encryption</A></LI>
+<LI><A HREF="#ErrorLog">ErrorLog</A></LI>
+<LI><A HREF="#FilterLimit">FilterLimit</A></LI>
+<LI><A HREF="#FontPath">FontPath</A></LI>
+<LI><A HREF="#Group">Group</A></LI>
+<LI><A HREF="#HideImplicitMembers">HideImplicitMembers</A></LI>
+<LI><A HREF="#HostNameLookups">HostNameLookups</A></LI>
+<LI><A HREF="#ImplicitClasses">ImplicitClasses</A></LI>
+<LI><A HREF="#ImplicitAnyClasses">ImplicitAnyClasses</A></LI>
+<LI><A HREF="#Include">Include</A></LI>
+<LI><A HREF="#KeepAlive">KeepAlive</A></LI>
+<LI><A HREF="#KeepAliveTimeout">KeepAliveTimeout</A></LI>
+<LI><A HREF="#Limit">Limit</A></LI>
+<LI><A HREF="#LimitExcept">LimitExcept</A></LI>
+<LI><A HREF="#LimitRequestBody">LimitRequestBody</A></LI>
+<LI><A HREF="#Listen">Listen</A></LI>
+<LI><A HREF="#Location">Location</A></LI>
+<LI><A HREF="#LogLevel">LogLevel</A></LI>
+<LI><A HREF="#MaxClients">MaxClients</A></LI>
+<LI><A HREF="#MaxJobs">MaxJobs</A></LI>
+<LI><A HREF="#MaxJobsPerPrinter">MaxJobsPerPrinter</A></LI>
+<LI><A HREF="#MaxJobsPerUser">MaxJobsPerUser</A></LI>
+<LI><A HREF="#MaxLogSize">MaxLogSize</A></LI>
+<LI><A HREF="#MaxRequestSize">MaxRequestSize</A></LI>
+<LI><A HREF="#Order">Order</A></LI>
+<LI><A HREF="#PageLog">PageLog</A></LI>
+<LI><A HREF="#Port">Port</A></LI>
+<LI><A HREF="#PreserveJobHistory">PreserveJobHistory</A></LI>
+<LI><A HREF="#PreserveJobFiles">PreserveJobFiles</A></LI>
+<LI><A HREF="#Printcap">Printcap</A></LI>
+<LI><A HREF="#PrintcapFormat">PrintcapFormat</A></LI>
+<LI><A HREF="#PrintcapGUI">PrintcapGUI</A></LI>
+<LI><A HREF="#RemoteRoot">RemoteRoot</A></LI>
+<LI><A HREF="#RequestRoot">RequestRoot</A></LI>
+<LI><A HREF="#Require">Require</A></LI>
+<LI><A HREF="#RIPCache">RIPCache</A></LI>
+<LI><A HREF="#RunAsUser">RunAsUser</A></LI>
+<LI><A HREF="#Satisfy">Satisfy</A></LI>
+<LI><A HREF="#ServerAdmin">ServerAdmin</A></LI>
+<LI><A HREF="#ServerBin">ServerBin</A></LI>
+<LI><A HREF="#ServerCertificate">ServerCertificate</A></LI>
+<LI><A HREF="#ServerKey">ServerKey</A></LI>
+<LI><A HREF="#ServerName">ServerName</A></LI>
+<LI><A HREF="#ServerRoot">ServerRoot</A></LI>
+<LI><A HREF="#SSLListen">SSLListen</A></LI>
+<LI><A HREF="#SSLPort">SSLPort</A></LI>
+<LI><A HREF="#SystemGroup">SystemGroup</A></LI>
+<LI><A HREF="#TempDir">TempDir</A></LI>
+<LI><A HREF="#Timeout">Timeout</A></LI>
+<LI><A HREF="#User">User</A></LI>
+</UL>
+<LI><A HREF="#PRINTING_SECURITY">Printing System Security</A></LI>
+<UL>
+<LI><A HREF="#CERTIFICATES">Authentication Using Certificates</A></LI>
+<LI><A HREF="#7_5_2">Using Basic Authentication</A></LI>
+<LI><A HREF="#7_5_3">Using Digest Authentication</A></LI>
+<LI><A HREF="#7_5_4">System and Group Authentication</A></LI>
+</UL>
+<LI><A HREF="#PRINTER_ACCOUNTING">Printer Accounting</A></LI>
+<UL>
+<LI><A HREF="#7_6_1">The access_log File</A></LI>
+<LI><A HREF="#7_6_2">The error_log File</A></LI>
+<LI><A HREF="#7_6_3">The page_log File</A></LI>
+</UL>
+<LI><A HREF="#FILE_TYPING_FILTERING">File Typing and Filtering</A></LI>
+<UL>
+<LI><A HREF="#7_7_1">mime.types</A></LI>
+<LI><A HREF="#7_7_2">mime.convs</A></LI>
+<LI><A HREF="#7_7_3">Adding Filetypes and Filters</A></LI>
+<LI><A HREF="#7_7_4">Printer Drivers and PPD Files</A></LI>
+<LI><A HREF="#7_7_5">Writing Your Own Filter or Printer Driver</A></LI>
+</UL>
+</UL>
+<B><A HREF="#PRINTING_OTHER">7 - Printing with Other Systems</A></B>
+<UL>
+<LI><A HREF="#8_1">The Basics</A></LI>
+<LI><A HREF="#8_2">Printing from LPD Clients</A></LI>
+<LI><A HREF="#8_3">Printing to LPD Servers</A></LI>
+<LI><A HREF="#8_4">Printing from Mac OS Clients</A></LI>
+<UL>
+<LI><A HREF="#8_4_1">Columbia Appletalk Package (CAP)</A></LI>
+<LI><A HREF="#8_4_2">XINET KA/Spool</A></LI>
+<LI><A HREF="#8_4_3">NetATalk</A></LI>
+</UL>
+<LI><A HREF="#8_5">Printing to Mac OS Servers</A></LI>
+<LI><A HREF="#8_6">Printing from Windows Clients</A></LI>
+<UL>
+<LI><A HREF="#8_6_1">Exporting Printer Drivers</A></LI>
+</UL>
+<LI><A HREF="#8_7">Printing to Windows Servers</A></LI>
+</UL>
+<B><A HREF="#LICENSE">A - Software License Agreement</A></B>
+<UL>
+<LI><A HREF="#9_1">Common UNIX Printing System License Agreement</A></LI>
+<UL>
+<LI><A HREF="#9_1_1">Introduction</A></LI>
+<LI><A HREF="#9_1_2">Trademarks</A></LI>
+<LI><A HREF="#9_1_3">Binary Distribution Rights</A></LI>
+<LI><A HREF="#9_1_4">Support</A></LI>
+</UL>
+<LI><A HREF="#9_2">GNU GENERAL PUBLIC LICENSE</A></LI>
+<LI><A HREF="#9_3">GNU LIBRARY GENERAL PUBLIC LICENSE</A></LI>
+</UL>
+<B><A HREF="#COMMON_NETWORK">B - Common Network Settings</A></B>
+<UL>
+<LI><A HREF="#10_1">Configuring a Network Interface</A></LI>
+<UL>
+<LI><A HREF="#10_1_1">Configuring the IP Address Using ARP</A></LI>
+<LI><A HREF="#10_1_2">Configuring the IP Address Using RARP</A></LI>
+<LI><A HREF="#10_1_3">Configuring the IP Address Using BOOTP</A></LI>
+</UL>
+<LI><A HREF="#10_2">Verifying the Printer Connection</A></LI>
+<LI><A HREF="#10_3">Common Network Interface Settings</A></LI>
+<LI><A HREF="#AXIS">Configuring Axis Print Servers</A></LI>
+<LI><A HREF="#LINKSYS">Configuring Linksys Print Servers</A></LI>
+</UL>
+<B><A HREF="#PRINTER_DRIVERS">C - Printer Drivers</A></B>
+<UL>
+<LI><A HREF="#11_1">Printer Drivers</A></LI>
+<LI><A HREF="#EPSON9">EPSON 9-pin Dot Matrix</A></LI>
+<LI><A HREF="#EPSON24">EPSON 24-pin Dot Matrix</A></LI>
+<LI><A HREF="#STCOLOR">EPSON Stylus Color</A></LI>
+<LI><A HREF="#STPHOTO">EPSON Stylus Photo</A></LI>
+<LI><A HREF="#DESKJET">HP DeskJet</A></LI>
+<LI><A HREF="#LASERJET">HP LaserJet</A></LI>
+</UL>
+<B><A HREF="#FILES">D - List of Files</A></B>
+<BR>
+<BR><B><A HREF="#FAQ">E - Troubleshooting Common Problems</A></B>
+<UL>
+<LI><A HREF="#13_1">My Applications Don't See the Available Printers</A></LI>
+<LI><A HREF="#13_2">CUPS Doesn't Recognize My Username or Password!</A></LI>
+<LI><A HREF="#ALLOW_REMOTE">I Can't Do Administration Tasks from Another
+ Machine!</A></LI>
+<LI><A HREF="#13_4">I Can't Do Administration Tasks from My Web Browser!</A>
+</LI>
+<LI><A HREF="#13_5">Connection Refused Messages</A></LI>
+<LI><A HREF="#13_6">Write Error Messages</A></LI>
+</UL>
+<HR>
+<H1 ALIGN="RIGHT"><A NAME="1">Preface</A></H1>
+<P>This software administrators manual provides printer administration
+ information for the Common UNIX Printing System<SUP>TM</SUP> (&quot;CUPS<SUP>
+TM</SUP>&quot;), version 1.1.13.</P>
+<H2><A NAME="1_1">System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+
+<!-- NEED 3in -->
+<H2><A NAME="1_2">Document Overview</A></H2>
+<P>This software administrators manual is organized into the following
+ sections:</P>
+<UL>
+<LI><A HREF="#OVERVIEW">1 - Printing System Overview</A></LI>
+<LI><A HREF="#BUILDING_INSTALLING">2 - Building and Installing CUPS</A></LI>
+<LI><A HREF="#MANAGING_PRINTERS">3 - Managing Printers</A></LI>
+<LI><A HREF="#PRINTER_CLASSES">4 - Printer Classes</A></LI>
+<LI><A HREF="#CLIENT_SETUP">5 - Client Setup</A></LI>
+<LI><A HREF="#PRINTING_MANAGEMENT">6 - Printing System Management</A></LI>
+<LI><A HREF="#PRINTING_OTHER">7 - Printing with Other Systems</A></LI>
+<LI><A HREF="#LICENSE">A - Software License Agreement</A></LI>
+<LI><A HREF="#COMMON_NETWORK">B - Common Network Settings</A></LI>
+<LI><A HREF="#PRINTER_DRIVERS">C - Printer Drivers</A></LI>
+<LI><A HREF="#FILES">D - List of Files</A></LI>
+<LI><A HREF="#FAQ">E - Troubleshooting Common Problems</A></LI>
+</UL>
+<H2><A NAME="1_3">Notation Conventions</A></H2>
+<P>Various font and syntax conventions are used in this guide. Examples
+ and their meanings and uses are explained below:
+<CENTER>
+<TABLE WIDTH="80%">
+<TR><TH>Example</TH><TD>&nbsp;&nbsp;&nbsp;</TD><TH>Description</TH></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD><CODE>lpstat</CODE>
+<BR> <CODE>lpstat(1)</CODE></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>The names of commands;
+ the first mention of a command or function in a chapter is followed by
+ a manual page section number.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD><VAR>/var</VAR>
+<BR><VAR> /usr/share/cups/data/testprint.ps</VAR></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>
+File and directory names.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD NOWRAP><TT>Request ID is Printer-123</TT></TD><TD>
+&nbsp;&nbsp;&nbsp;</TD><TD>Screen output.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD NOWRAP><KBD>lp -d printer filename ENTER</KBD></TD><TD>
+&nbsp;&nbsp;&nbsp;</TD><TD>Literal user input; special keys like <KBD>ENTER</KBD> are
+ in ALL CAPS.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD>12.3</TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>Numbers in the text are
+ written using the period (.) to indicate the decimal point.</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 3in -->
+</P>
+<H2><A NAME="1_4">Abbreviations</A></H2>
+ The following abbreviations are used throughout this manual:
+<UL>
+<DL>
+<DT>kb</DT>
+<DD>Kilobytes, or 1024 bytes
+<BR>&nbsp;</DD>
+<DT>Mb</DT>
+<DD>Megabytes, or 1048576 bytes
+<BR>&nbsp;</DD>
+<DT>Gb</DT>
+<DD>Gigabytes, or 1073741824 bytes
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H2><A NAME="1_5">Other References</A></H2>
+<UL>
+<DL>
+<DT>CUPS Software Programmers Manual</DT>
+<DD>A programmer guide for interfacing with and/or extending the CUPS
+ software.
+<BR>&nbsp;</DD>
+<DT>CUPS Software Users Manual</DT>
+<DD>An end-user guide for using the CUPS software.
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="OVERVIEW">1 - Printing System Overview</A></H1>
+<P>This chapter provides an overview of how the Common UNIX Printing
+ System works.</P>
+<H2><A NAME="2_1">The Printing Problem</A></H2>
+<P>For years<I> the printing problem</I> has plagued UNIX. Unlike
+ Microsoft&reg; Windows&reg; or Mac OS, UNIX has no standard interface or system
+ in place for supporting printers. Among the solutions currently
+ available, the Berkeley and System V printing systems are the most
+ prevalent.</P>
+<P>These printing systems support line printers (text only) or
+ PostScript printers (text and graphics), and with some coaxing they can
+ be made to support a full range of printers and file formats. However,
+ because each varient of the UNIX operating system uses a different
+ printing system than the next developing printer drivers for a wide
+ range of printers and operating systems is extremely difficult. That
+ combined with the limited volume of customers for each UNIX varient has
+ forced most printer vendors to give up supporting UNIX entirely.</P>
+<P>CUPS is designed to eliminate<I> the printing problem</I>. One common
+ printing system can be used by all UNIX varients to support the
+ printing needs of users. Printer vendors can use its modular filter
+ interface to develop a single driver program that supports a wide range
+ of file formats with little or no effort. Since CUPS provides both the
+ System V and Berkeley printing commands, users (and applications) can
+ reap the benefits of this new technology with no changes.</P>
+<H2><A NAME="2_2">The Technology</A></H2>
+<P>CUPS is based upon an emerging Internet standard called the Internet
+ Printing Protocol. IPP has been embraced by dozens of printer and
+ printer server manufacturers and is supported by Microsoft Windows
+ 2000.</P>
+<P>IPP defines a standard protocol for printing as well as managing
+ print jobs and printer options like media size, resolution, and so
+ forth. Like all IP-based protocols, IPP can be used locally or over the
+ Internet to printers hundreds or thousands of miles away. Unlike other
+ protocols, however, IPP also supports access control, authentication,
+ and encryption, making it a much more capable and secure printing
+ solution than older ones.</P>
+<P>IPP is layered on top of the Hyper-Text Transport Protocol (&quot;HTTP&quot;)
+ which is the basis of web servers on the Internet. This allows users to
+ view documentation, check status information on a printer or server,
+ and manage their printers, classes, and jobs using their web browser.</P>
+<P>CUPS provides a complete IPP/1.1 based printing system that provides
+ Basic, Digest, and local certificate authentication and user, domain,
+ or IP-based access control. TLS encryption will be available in future
+ versions of CUPS.</P>
+<H2><A NAME="2_3">Jobs</A></H2>
+<P>Each file or set of files that is submitted for printing is called a<I>
+ job</I>. Jobs are identified by a unique number starting at 1 and are
+ assigned to a particular destination, usually a printer. Jobs can also
+ have options associated with them such as media size, number of copies,
+ and priority.</P>
+<H2><A NAME="2_4">Classes</A></H2>
+<P>CUPS supports collections of printers known as<I> classes</I>. Jobs
+ sent to a class are forwarded to the first available printer in the
+ class.</P>
+<H2><A NAME="2_5">Filters</A></H2>
+<P>Filters allow a user or application to print many types of files
+ without extra effort. Print jobs sent to a CUPS server are filtered
+ before sending them to a printer. Some filters convert job files to
+ different formats that the printer can understand. Others perform page
+ selection and ordering tasks.</P>
+<P>CUPS provides filters for printing many types of image files, HP-GL/2
+ files, PDF files, and text files. CUPS also supplies PostScript and
+ image file Raster Image Processor (&quot;RIP&quot;) filters that convert
+ PostScript or image files into bitmaps that can be sent to a raster
+ printer.</P>
+<H2><A NAME="2_6">Backends</A></H2>
+<P>Backends perform the most important task of all - they send the
+ filtered print data to the printer.</P>
+<P>CUPS provides backends for printing over parallel, serial, and USB
+ ports, and over the network via the IPP, JetDirect (AppSocket), and
+ Line Printer Daemon (&quot;LPD&quot;) protocols. Additional backends are
+ available in network service packages such as the SMB backend included
+ with the popular SAMBA software.</P>
+<P>Backends are also used to determine the available devices. On startup
+ each backend is asked for a list of devices it supports, and any
+ information that is available. This allows the parallel backend to tell
+ CUPS that an EPSON Stylus Color 600 printer is attached to parallel
+ port 1, for example.</P>
+<H2><A NAME="2_7">Printer Drivers</A></H2>
+<P>Printer drivers in CUPS consist of one of more filters specific to a
+ printer. CUPS includes sample printer drivers for Hewlett-Packard
+ LaserJet and DeskJet printers and EPSON 9-pin, 24-pin, Stylus Color,
+ and Stylus Photo printers. While these drivers do not generate optimal
+ output for the different printer models, they do provide basic printing
+ and demonstrate how you can write your own printer drivers and
+ incorporate them into CUPS.</P>
+<H2><A NAME="2_8">Networking</A></H2>
+<P>Printers and classes on the local system are automatically shared
+ with other systems on the network. This allows you to setup one system
+ to print to a printer and use this system as a printer server or spool
+ host for all of the others. Users may then select a local printer by
+ name or a remote printer using &quot;name@server&quot;.</P>
+<P>CUPS also provides<I> implicit classes</I>, which are collections of
+ printers and/or classes with the same name. This allows you to setup
+ multiple servers pointing to the same physical network printer, for
+ example, so that you aren't relying on a single system for printing.
+ Because this also works with printer classes, you can setup multiple
+ servers and printers and never worry about a single point of failure
+ unless all of the printers and servers go down!</P>
+<H1 ALIGN="RIGHT"><A NAME="BUILDING_INSTALLING">2 - Building and
+ Installing CUPS</A></H1>
+<P>This chapter shows how to build and install the Common UNIX Printing
+ System. If you are installing a binary distribution from the CUPS web
+ site, proceed to the section titled,<A HREF="#BINARY"> Installing a
+ Binary Distribution</A>.</P>
+<H2><A NAME="3_1">Installing a Source Distribution</A></H2>
+<P>This section describes how to compile and install CUPS on your system
+ from the source code.</P>
+<H3><A NAME="REQUIREMENTS">Requirements</A></H3>
+<P>You'll need ANSI-compliant C and C++ compilers to build CUPS on your
+ system. As its name implies, CUPS is designed to run on the UNIX
+ operating system, however the CUPS interface library and most of the
+ filters and backends supplied with CUPS should also compile and run
+ under Microsoft Windows.</P>
+<P>For the image file filters and PostScript RIP, you'll need the JPEG,
+ PNG, TIFF, and ZLIB libraries. CUPS will build without these, but with
+ significantly reduced functionality. Easy Software Products maintains a
+ mirror of the current versions of these libraries at:</P>
+<UL>
+<PRE>
+<A HREF="ftp://ftp.easysw.com/pub/libraries">ftp://ftp.easysw.com/pub/libraries</A>
+</PRE>
+</UL>
+<P>If you make changes to the man pages you'll need GNU groff or another
+ nroff-like package. GNU groff is available from:</P>
+<UL>
+<PRE>
+<A HREF="ftp://ftp.gnu.org/pub/groff">ftp://ftp.gnu.org/pub/groff</A>
+</PRE>
+</UL>
+<P>The documentation is formatted using the HTMLDOC software. If you
+ need to make changes you can get the HTMLDOC software from:</P>
+<UL>
+<PRE>
+<A HREF="http://www.easysw.com/htmldoc">http://www.easysw.com/htmldoc</A>
+</PRE>
+</UL>
+<P>Finally, you'll need a <CODE>make</CODE> program that understands the
+ <CODE>include</CODE> directive - FreeBSD, NetBSD, and OpenBSD
+ developers should use the <CODE>gmake</CODE> program.</P>
+<H3><A NAME="COMPILING">Compiling CUPS</A></H3>
+<P>CUPS uses GNU autoconf to configure the makefiles and source code for
+ your system. Type the following command to configure CUPS for your
+ system:</P>
+<UL>
+<PRE>
+<B>./configure ENTER</B>
+</PRE>
+</UL>
+<P>The default installation will put the CUPS software in the<VAR> /etc</VAR>
+,<VAR> /usr</VAR>, and<VAR> /var</VAR> directories on your system, which
+ will overwrite any existing printing commands on your system. Use the <CODE>
+--prefix</CODE> option to install the CUPS software in another location:</P>
+<UL>
+<PRE>
+<B>./configure --prefix=/some/directory ENTER</B>
+</PRE>
+</UL>
+<P>If the PNG, JPEG, TIFF, and ZLIB libraries are not installed in a
+ system default location (typically<VAR> /usr/include</VAR> and<VAR>
+ /usr/lib</VAR>) you'll need to set the <CODE>CFLAGS</CODE>, <CODE>
+CXXFLAGS</CODE>, and <CODE>LDFLAGS</CODE> environment variables prior to
+ running configure:</P>
+<UL>
+<PRE>
+<B>setenv CFLAGS &quot;-I/some/directory&quot; ENTER</B>
+<B>setenv CXXFLAGS &quot;-I/some/directory&quot; ENTER</B>
+<B>setenv LDFLAGS &quot;-L/some/directory&quot; ENTER</B>
+<B>setenv DSOFLAGS &quot;-L/some/directory&quot; ENTER</B>
+<B>./configure ... ENTER</B>
+</PRE>
+</UL>
+<P>or:</P>
+<UL>
+<PRE>
+<B>CFLAGS=&quot;-I/some/directory&quot;; export CFLAGS ENTER</B>
+<B>CXXFLAGS=&quot;-I/some/directory&quot;; export CXXFLAGS ENTER</B>
+<B>LDFLAGS=&quot;-L/some/directory&quot;; export LDFLAGS ENTER</B>
+<B>DSOFLAGS=&quot;-L/some/directory&quot;; export DSOFLAGS ENTER</B>
+<B>./configure ... ENTER</B>
+</PRE>
+</UL>
+<P>To enable support for encryption, you'll also want to add the
+ &quot;--enable-ssl&quot; option:</P>
+<UL>
+<PRE>
+./configure --enable-ssl
+</PRE>
+</UL>
+<P>SSL and TLS support require the OpenSSL library, available at:</P>
+<UL>
+<PRE>
+<A HREF="http://www.openssl.org">http://www.openssl.org</A>
+</PRE>
+</UL>
+<P>If the OpenSSL headers and libraries are not installed in the
+ standard directories, use the <CODE>--with-openssl-includes</CODE> and <CODE>
+--with-openssl-libs</CODE> options:</P>
+<UL>
+<PRE>
+./configure --enable-ssl \
+    --with-openssl-includes=/foo/bar/include \
+    --with-openssl-libs=/foo/bar/lib
+</PRE>
+</UL>
+<P>Once you have configured things, just type:</P>
+<UL>
+<PRE>
+<B>make ENTER</B>
+</PRE>
+</UL>
+<P>to build the software.
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="INSTALLING">Installing the Software</A></H3>
+<P>Use the &quot;install&quot; target to install the software:</P>
+<UL>
+<PRE>
+<B>make install ENTER</B>
+</PRE>
+</UL>
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> WARNING:</B>
+<P>Installing CUPS will overwrite your existing printing system. If you
+ experience difficulties with the CUPS software and need to go back to
+ your old printing system, you will need to reinstall the old printing
+ system from your operating system CDs.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="RUNNING">Running the Software</A></H3>
+<P>Once you have installed the software you can start the CUPS server by
+ typing:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/cupsd ENTER</B>
+</PRE>
+</UL>
+
+<!-- NEED 4in -->
+<H2><A NAME="BINARY">Installing a Binary Distribution</A></H2>
+<P>CUPS comes in a variety of binary distribution formats. Easy Software
+ Products provides binaries in TAR format with installation and removal
+ scripts (&quot;portable&quot; distributions), and in RPM and DPKG formats for Red
+ Hat and Debian-based distributions. Portable distributions are
+ available for all platforms, while the RPM and DPKG distributions are
+ only available for Linux.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> WARNING:</B>
+<P>Installing CUPS will overwrite your existing printing system. If you
+ experience difficulties with the CUPS software and need to go back to
+ your old printing system, you will need to remove the CUPS software
+ with the provided script and/or reinstall the old printing system from
+ your operating system CDs.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="PORTABLE-BINARY">Installing a Portable Distribution</A></H3>
+<P>To install the CUPS software from a portable distribution you will
+ need to be logged in as root; doing an <CODE>su</CODE> is good enough.
+ Once you are the root user, run the installation script with:</P>
+<UL>
+<PRE>
+<B>./cups.install ENTER</B>
+</PRE>
+</UL>
+<P>After asking you a few yes/no questions the CUPS software will be
+ installed and the scheduler will be started automatically.
+<!-- NEED 2in -->
+</P>
+<H3><A NAME="RPM-BINARY">Installing an RPM Distribution</A></H3>
+<P>To install the CUPS software from an RPM distribution you will need
+ to be logged in as root; doing an <CODE>su</CODE> is good enough. Once
+ you are the root user, run RPM with:</P>
+<UL>
+<PRE>
+<B>rpm -e lpr</B>
+<B>rpm -i cups-1.1-linux-M.m.n-intel.rpm ENTER</B>
+</PRE>
+</UL>
+<P>After a short delay the CUPS software will be installed and the
+ scheduler will be started automatically.</P>
+<H3><A NAME="DPKG-BINARY">Installing an Debian Distribution</A></H3>
+<P>To install the CUPS software from a Debian distribution you will need
+ to be logged in as root; doing an <CODE>su</CODE> is good enough. Once
+ you are the root user, run dpkg with:</P>
+<UL>
+<PRE>
+<B>dpkg -i cups-1.1-linux-M.m.n-intel.deb ENTER</B>
+</PRE>
+</UL>
+<P>After a short delay the CUPS software will be installed and the
+ scheduler will be started automatically.</P>
+<H1 ALIGN="RIGHT"><A NAME="MANAGING_PRINTERS">3 - Managing Printers</A></H1>
+<P>This chapter describes how to add your first printer and how to
+ manage your printers.</P>
+<H2><A NAME="4_1">The Basics</A></H2>
+<P>Each printer queue has a name associated with it; the printer name
+ must start with a letter and can contain up to 127 letters, numbers,
+ and the underscore (_). Case is not significant, e.g. &quot;PRINTER&quot;,
+ &quot;Printer&quot;, and &quot;printer&quot; are considered to be the same name.</P>
+<P>Printer queues also have a device associated with them. The device
+ can be a parallel port, a network interface, and so forth. Devices
+ within CUPS use Uniform Resource Identifiers (&quot;URIs&quot;) which are a more
+ general form of Uniform Resource Locators (&quot;URLs&quot;) that are used in
+ your web browser. For example, the first parallel port in Linux usually
+ uses a device URI of <CODE>parallel:/dev/lp1</CODE>.
+<!-- NEED 2.5in -->
+</P>
+<P>You can see a complete list of supported devices by running the <CODE>
+lpinfo(8)</CODE> command:</P>
+<UL>
+<PRE>
+<B>lpinfo -v ENTER</B>
+file file
+network socket
+network http
+network ipp
+network lpd
+direct parallel:/dev/lp1
+serial serial:/dev/ttyS1?baud=115200
+serial serial:/dev/ttyS2?baud=115200
+direct usb:/dev/usb/lp0
+network smb
+</PRE>
+</UL>
+<P>The <CODE>-v</CODE> option specifies that you want a list of
+ available devices. The first word in each line is the type of device
+ (direct, file, network, or serial) and is followed by the device URI or
+ method name for that device. File devices have device URIs of the form <CODE>
+file:/directory/filename</CODE> while network devices use the more
+ familiar <CODE>method://server</CODE> or <CODE>method://server/path</CODE>
+ format.</P>
+<P>Finally, printer queues usually have a PostScript Printer Description
+ (&quot;PPD&quot;) file associated with them. PPD files describe the capabilities
+ of each printer, the page sizes supported, etc., and are used for
+ PostScript and non-PostScript printers. CUPS includes PPD files for HP
+ LaserJet, HP DeskJet, EPSON 9-pin, EPSON 24-pin, and EPSON Stylus
+ printers.</P>
+<H2><A NAME="4_2">Adding Your First Printer</A></H2>
+<P>CUPS provides two methods for adding printers: a command-line program
+ called <CODE>lpadmin(8)</CODE> and a Web interface. The <CODE>lpadmin</CODE>
+ command allows you to perform most printer administration tasks from
+ the command-line and is located in<VAR> /usr/sbin</VAR>. The Web
+ interface is located at:</P>
+<UL>
+<PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE>
+</UL>
+<P>and steps you through printer configuration. If you don't like
+ command-line interfaces, try the<A HREF="#ADD_WEB"> Web interface</A>
+ instead.</P>
+<H3><A NAME="4_2_1">Adding Your First Printer from the Command-Line</A></H3>
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-p</CODE> option
+ to add a printer to CUPS:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> -E -v <I>device</I> -m <I>ppd</I> ENTER</B>
+</PRE>
+</UL>
+<P>For an HP DeskJet printer connected to the parallel port this would
+ look like:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p DeskJet -E -v parallel:/dev/lp1 -m deskjet.ppd ENTER</B>
+</PRE>
+</UL>
+<P>Similarly, an HP LaserJet printer using a JetDirect network interface
+ at IP address 11.22.33.44 would be added with the command:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p LaserJet -E -v socket://11.22.33.44 -m laserjet.ppd ENTER</B>
+</PRE>
+</UL>
+<P>As you can see, <CODE>deskjet.ppd</CODE> and <CODE>laserjet.ppd</CODE>
+ are the PPD files for the HP DeskJet and HP LaserJet drivers included
+ with CUPS. You'll find a complete list of PPD files and the printers
+ they will work with in<A HREF="#PRINTER_DRIVERS"> Appendix C, &quot;Printer
+ Drivers&quot;</A>.</P>
+<P>For a dot matrix printer connected to the serial port this would
+ might look like:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p DotMatrix -E -v serial:/dev/ttyS0?baud=9600+size=8+parity=none+flow=soft deskjet.ppd ENTER</B>
+</PRE>
+</UL>
+<P>Here you specify the serial port (e.g. S0,S1, d0, d1), baud rate
+ (e.g. 9600, 19200, 38400, 115200, etc.), number of bits, parity, and
+ flow control. If you do not need flow control, delete the &quot;+flow=soft&quot;
+ portion.</P>
+<H3><A NAME="ADD_WEB">Adding Your First Printer from the Web</A></H3>
+<P>The CUPS web server provides a user-friendly &quot;wizard&quot; interface for
+ adding your printers. Rather than figuring out which device URI and PPD
+ file to use, you can instead click on the appropriate listings and fill
+ in some simple information. Enter the following URL in your web browser
+ to begin:</P>
+<UL>
+<PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE>
+</UL>
+<P>Click on the<VAR> Add Printer</VAR> button to add a printer.</P>
+<H2><A NAME="4_3">Managing Printers from the Command-Line</A></H2>
+<P>The <CODE>lpadmin</CODE> command enables you to perform most printer
+ administration tasks from the command-line. You'll find <CODE>lpadmin</CODE>
+ in the<VAR> /usr/sbin</VAR> directory.</P>
+<H3><A NAME="4_3_1">Adding and Modifying Printers</A></H3>
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-p</CODE> option
+ to add or modify a printer:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> <I>options</I> ENTER</B>
+</PRE>
+</UL>
+<P>The<I> options</I> arguments can be any of the following:</P>
+<UL>
+<DL>
+<DT>-c<I> class</I></DT>
+<DD>Adds the named printer to printer class<VAR> class</VAR>. If the
+ class does not exist then it is created.</DD>
+<DT>-i<I> interface</I></DT>
+<DD>Copies the named<VAR> interface</VAR> script to the printer.
+ Interface scripts are used by System V printer drivers. Since all
+ filtering is disabled when using an interface script, scripts generally
+ should not be used unless there is no other driver for a printer.</DD>
+<DT>-m<I> model</I></DT>
+<DD>Specifies a standard printer driver which is usually a PPD file. A
+ list of all available models can be displayed using the <CODE>lpinfo</CODE>
+ command with the <CODE>-m</CODE> option. A list of printer drivers
+ included with CUPS can be found in<A HREF="#PRINTER_DRIVERS"> Appendix
+ C, &quot;Printer Drivers&quot;</A>.</DD>
+<DT>-r<I> class</I></DT>
+<DD>Removes the named printer from printer class<VAR> class. If the
+ resulting class becomes empty then it is removed.</VAR></DD>
+<DT>-v<I> device-uri</I></DT>
+<DD>Sets the device for communicating with the printer. If a job is
+ currently printing on the named printer then the job will be restarted
+ and sent to the new device.</DD>
+<DT>-D<I> info</I></DT>
+<DD>Provides a textual description of the printer, e.g. &quot;John's Personal
+ Printer&quot;.</DD>
+<DT>-E</DT>
+<DD>Enables the printer and accepts job. This option is equivalent to
+ running the <CODE>enable(1)</CODE> and <CODE>accept(8)</CODE> commands
+ on the printer.</DD>
+<DT>-L<I> location</I></DT>
+<DD>Provides a textual location for the printer, e.g. &quot;Computer Lab 5&quot;.</DD>
+<DT>-P<I> ppd-file</I></DT>
+<DD>Specifies a local PPD file for the printer driver.</DD>
+</DL>
+</UL>
+<H3><A NAME="4_3_2">Deleting Printers</A></H3>
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-x</CODE> option
+ to delete a printer:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -x <I>printer</I> ENTER</B>
+</PRE>
+</UL>
+<H3><A NAME="4_3_3">Setting the Default Printer</A></H3>
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-d</CODE> option
+ to set a default printer:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -d <I>printer</I> ENTER</B>
+</PRE>
+</UL>
+<P>The default printer can be overridden by the user using the <CODE>
+lpoptions(1)</CODE> command.</P>
+<H3><A NAME="4_3_4">Starting and Stopping Printers</A></H3>
+<P>The <CODE>enable</CODE> and <CODE>disable</CODE> commands start and
+ stop printer queues, respectively:</P>
+<UL>
+<PRE>
+<B>/usr/bin/enable <I>printer</I> ENTER</B>
+<B>/usr/bin/disable <I>printer</I> ENTER</B>
+</PRE>
+</UL>
+<P>Printers that are disabled may still accept jobs for printing, but
+ won't actually print any files until they are restarted. This is useful
+ if the printer malfunctions and you need time to correct the problem.
+ Any queued jobs are printed after the printer is enabled (started).</P>
+<H3><A NAME="4_3_5">Accepting and Rejecting Print Jobs</A></H3>
+<P>The <CODE>accept</CODE> and <CODE>reject</CODE> commands accept and
+ reject print jobs for the named printer, respectively:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/accept <I>printer</I> ENTER</B>
+<B>/usr/sbin/reject <I>printer</I> ENTER</B>
+</PRE>
+</UL>
+<P>As noted above, a printer can be stopped but accepting new print
+ jobs. A printer can also be rejecting new print jobs while it finishes
+ those that have been queued. This is useful for when you must perform
+ maintenance on the printer and will not have it available to users for
+ a long period of time.</P>
+<H2><A NAME="4_4">Managing Printers from the Web</A></H2>
+<P>The Web interface is located at:</P>
+<UL>
+<PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE>
+</UL>
+<P>From there you can perform all printer management tasks with a few
+ simple mouse clicks.</P>
+<H1 ALIGN="RIGHT"><A NAME="PRINTER_CLASSES">4 - Printer Classes</A></H1>
+<P>This chapter describes what printer classes are and how to manage
+ them.</P>
+<H2><A NAME="5_1">The Basics</A></H2>
+<P>CUPS provides collections of printers called<I> printer classes</I>.
+ Jobs sent to a class are forwarded to the first available printer in
+ the class. Classes can themselves be members of other classes, so it is
+ possible for you to define very large, distributed printer classes for
+ high-availability printing.</P>
+<P>CUPS also supports<I> implicit classes</I>. Implicit classes work
+ just like printer classes, but they are created automatically based
+ upon the available printers and classes on the network. This allows you
+ to setup multiple print servers with identical printer configurations
+ and have the client machines send their print jobs to the first
+ available server. If one or more servers go down, the jobs are
+ automatically redirected to the servers that are running, providing
+ fail-safe printing.</P>
+<H2><A NAME="5_2">Managing Printer Classes from the Command-Line</A></H2>
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-p</CODE> and <CODE>
+-c</CODE> options to add a printer to a class:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> -c <I>class</I> ENTER</B>
+</PRE>
+</UL>
+<P>The<I> class</I> is created automatically if it doesn't exist. To
+ remove a printer from a class use the <CODE>-r</CODE> option:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> -r <I>class</I> ENTER</B>
+</PRE>
+</UL>
+<P>To remove the entire class just use the <CODE>-x</CODE> option:</P>
+<UL>
+<PRE>
+<B>/usr/sbin/lpadmin -x <I>class</I> ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="5_3">Managing Printer Classes from the Web Interface</A></H2>
+<P>The Web interface is located at:</P>
+<UL>
+<PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE>
+</UL>
+<P>The<VAR> Add Class</VAR> and<VAR> Modify Class</VAR> interfaces
+ provide a list of available printers; click on the printers of interest
+ to add them to the class.</P>
+<H2><A NAME="5_4">Implicit Classes</A></H2>
+<P>A noted earlier, implicit classes are created automatically from the
+ available network printers and classes. To disable this functionality,
+ set the<A HREF="#ImplicitClasses"> <CODE>ImplicitClasses</CODE></A>
+ directive to <CODE>Off</CODE> in the <CODE>cupsd.conf</CODE> file. You
+ will find more information on doing this in<A HREF="#PRINTING_MANAGEMENT">
+ Chapter 6, &quot;Printing System Management&quot;</A>.</P>
+<H1 ALIGN="RIGHT"><A NAME="CLIENT_SETUP">5 - Client Setup</A></H1>
+<P>This chapter discusses several ways to configure CUPS clients for
+ printing.</P>
+<H2><A NAME="6_1">The Basics</A></H2>
+<P>A client is any machine that sends print jobs to another machine for
+ final printing. Clients can also be servers if they communicate
+ directly with any printers of their own.</P>
+<P>CUPS supports several methods of configuring client machines:</P>
+<UL>
+<LI><A HREF="#CLIENT_MANUAL">Manual configuration of print queues.</A></LI>
+<LI><A HREF="#CLIENT_SERVER">Specifying a single server for printing.</A>
+</LI>
+<LI><A HREF="#CLIENT_AUTO">Automatic configuration of print queues.</A></LI>
+<LI><A HREF="#CLIENT_POLL">Specifying multiple servers for printing.</A></LI>
+</UL>
+<H3><A NAME="CLIENT_MANUAL">Manual Configuration of Print Queues</A></H3>
+<P>The most tedious method of configuring client machines is to
+ configure each remote queue by hand using the <CODE>lpadmin</CODE>
+ command:</P>
+<UL>
+<PRE>
+<B>lpadmin -p <I>printer</I> -E -v ipp://<I>server</I>/printers/<I>printer</I> ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>printer</CODE> name is the name of the printer on the
+ server machine. The <CODE>server</CODE> name is the hostname or IP
+ address of the server machine. Repeat the <CODE>lpadmin</CODE> command
+ for each remote printer you wish to use.</P>
+<H3><A NAME="CLIENT_SERVER">Specifying a Single Server for Printing</A></H3>
+<P>CUPS can be configured to run without a local spooler and send all
+ jobs to a single server. However, if that server goes down then all
+ printing will be disabled. Use this configuration only as absolutely
+ needed.</P>
+<P>The default server is normally &quot;localhost&quot;. To override the default
+ server create a file named<VAR> /etc/cups/client.conf</VAR> and add a
+ line reading:</P>
+<UL>
+<PRE>
+ServerName <I>server</I>
+</PRE>
+</UL>
+<P>to the file. The<VAR> server</VAR> name can be the hostname or IP
+ address of the default server.</P>
+<P>The default server can also be customized on a per-user basis. To set
+ a user-specific server create a file named<VAR> ~/.cupsrc</VAR> and add
+ a line reading:</P>
+<UL>
+<PRE>
+ServerName <I>server</I>
+</PRE>
+</UL>
+<P>to the file. The<VAR> server</VAR> name can be the hostname or IP
+ address of the default server.</P>
+<H3><A NAME="CLIENT_AUTO">Automatic Configuration of Print Queues</A></H3>
+<P>CUPS supports automatic client configuration of printers on the same
+ subnet. To configure printers on the same subnet,<I> do nothing</I>.
+ Each client should see the available printers within 30 seconds
+ automatically. The printer and class lists are updated automatically as
+ printers and servers are added or removed.</P>
+<P>If you want to see printers on other subnets as well, use the<A HREF="#BrowsePoll">
+ <CODE>BrowsePoll</CODE></A> directive as described next.</P>
+<H3><A NAME="CLIENT_POLL">Specifying Multiple Servers for Printing</A></H3>
+<P>If you have CUPS servers on different subnets, then you should
+ configure CUPS to poll those servers. Polling provides the benefits of
+ automatic configuration without significant configuration on the
+ clients, and multiple clients on the same subnet can share the same
+ configuration information.</P>
+<P>Polling is enabled by specifying one or more<A HREF="#BrowsePoll"> <CODE>
+BrowsePoll</CODE></A> directives in the<VAR> /etc/cups/cupsd.conf</VAR>
+ file. For information on making these changes, see<A HREF="#PRINTING_MANAGEMENT">
+ Chapter 6, &quot;Printing System Management&quot;</A>.</P>
+<H1 ALIGN="RIGHT"><A NAME="PRINTING_MANAGEMENT">6 - Printing System
+ Management</A></H1>
+<P>This chapter shows how you can configure the CUPS server.</P>
+<H2><A NAME="7_1">The Basics</A></H2>
+<P>Several text files are used to configure CUPS. All of the server
+ configuration files are located in the<VAR> /etc/cups</VAR> directory:</P>
+<UL>
+<DL>
+<!-- NEED 1in -->
+
+<DT>classes.conf</DT>
+<DD>This file contains information on each printer class. Normally you
+ manipulate this file using the <CODE>lpadmin</CODE> command or the Web
+ interface.
+<BR>&nbsp;
+<!-- NEED 1in -->
+</DD>
+<DT>client.conf</DT>
+<DD>This file provides the default server name for client machines. See<A
+HREF="#CLIENT_SETUP"> Chapter 5, &quot;Client Setup&quot;</A> for more
+ information.
+<BR>&nbsp;
+<!-- NEED 1in -->
+</DD>
+<DT>cupsd.conf</DT>
+<DD>This file controls how the CUPS server (<VAR>/usr/sbin/cupsd</VAR>)
+ operates and is normally edited by hand.
+<BR>&nbsp;
+<!-- NEED 1in -->
+</DD>
+<DT>mime.convs</DT>
+<DD>This file contains a list of standard file conversion filters and
+ their costs. You normally do not edit this file.
+<BR>&nbsp;
+<!-- NEED 1in -->
+</DD>
+<DT>mime.types</DT>
+<DD>This file contains a list of standard file formats and how to
+ recognize them. You normally do not edit this file.
+<BR>&nbsp;
+<!-- NEED 1in -->
+</DD>
+<DT>printers.conf</DT>
+<DD>This file contains information on each printer. Normally you
+ manipulate this file using the <CODE>lpadmin</CODE> command or the Web
+ Interface.
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H2><A NAME="RESTARTING">Restarting the CUPS Server</A></H2>
+<P>Once you have made a change to a configuration file you need to
+ restart the CUPS server by sending it a <CODE>HUP</CODE> signal or
+ using the supplied initialization script. The CUPS distributions
+ install the script in the<VAR> init.d</VAR> directory with the name<VAR>
+ cups</VAR>. The location varies based upon the operating system:</P>
+<UL>
+<PRE>
+<B>/etc/rc.d/init.d/cups restart ENTER</B>
+<B>/etc/init.d/cups restart ENTER</B>
+<B>/sbin/init.d/cups restart ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="7_3">Changing the Server Configuration</A></H2>
+<P>The<VAR> /etc/cups/cupsd.conf</VAR> file contains configuration<I>
+ directives</I> that control how the server functions. Each directive is
+ listed on a line by itself followed by its value. Comments are
+ introduced using the number sign (&quot;#&quot;) character at the beginning of a
+ line. Since the server configuration file consists of plain text, you
+ can use your favorite text editor to make changes to it.
+<!-- NEED 4in -->
+</P>
+<H2><A NAME="7_4">Server Directives</A></H2>
+<P>The<VAR> cupsd.conf</VAR> file contains many directives that
+ determine how the server operates:</P>
+<UL>
+<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0">
+<TR><TD VALIGN="TOP">
+<LI><A HREF="#AccessLog"><CODE>AccessLog</CODE></A></LI>
+<LI><A HREF="#Allow"><CODE>Allow</CODE></A></LI>
+<LI><A HREF="#AuthClass"><CODE>AuthClass</CODE></A></LI>
+<LI><A HREF="#AuthGroupName"><CODE>AuthGroupName</CODE></A></LI>
+<LI><A HREF="#AuthType"><CODE>AuthType</CODE></A></LI>
+<LI><A HREF="#AutoPurgeJobs"><CODE>AutoPurgeJobs</CODE></A></LI>
+<LI><A HREF="#BrowseAddress"><CODE>BrowseAddress</CODE></A></LI>
+<LI><A HREF="#BrowseAllow"><CODE>BrowseAllow</CODE></A></LI>
+<LI><A HREF="#BrowseDeny"><CODE>BrowseDeny</CODE></A></LI>
+<LI><A HREF="#BrowseInterval"><CODE>BrowseInterval</CODE></A></LI>
+<LI><A HREF="#BrowseOrder"><CODE>BrowseOrder</CODE></A></LI>
+<LI><A HREF="#BrowsePoll"><CODE>BrowsePoll</CODE></A></LI>
+<LI><A HREF="#BrowsePort"><CODE>BrowsePort</CODE></A></LI>
+<LI><A HREF="#BrowseProtocols"><CODE>BrowseProtocols</CODE></A></LI>
+<LI><A HREF="#BrowseRelay"><CODE>BrowseRelay</CODE></A></LI>
+<LI><A HREF="#BrowseShortNames"><CODE>BrowseShortNames</CODE></A></LI>
+<LI><A HREF="#BrowseTimeout"><CODE>BrowseTimeout</CODE></A></LI>
+<LI><A HREF="#Browsing"><CODE>Browsing</CODE></A></LI>
+<LI><A HREF="#Classification"><CODE>Classification</CODE></A></LI>
+<LI><A HREF="#ClassifyOverride"><CODE>ClassifyOverride</CODE></A></LI>
+<LI><A HREF="#DataDir"><CODE>DataDir</CODE></A></LI>
+<LI><A HREF="#DefaultCharset"><CODE>DefaultCharset</CODE></A></LI>
+<LI><A HREF="#DefaultLanguage"><CODE>DefaultLanguage</CODE></A></LI>
+<LI><A HREF="#Deny"><CODE>Deny</CODE></A></LI>
+<LI><A HREF="#DocumentRoot"><CODE>DocumentRoot</CODE></A></LI>
+</TD><TD VALIGN="TOP"> &nbsp;&nbsp;&nbsp;</TD><TD VALIGN="TOP">
+<LI><A HREF="#Encryption"><CODE>Encryption</CODE></A></LI>
+<LI><A HREF="#ErrorLog"><CODE>ErrorLog</CODE></A></LI>
+<LI><A HREF="#FilterLimit"><CODE>FilterLimit</CODE></A></LI>
+<LI><A HREF="#FontPath"><CODE>FontPath</CODE></A></LI>
+<LI><A HREF="#Group"><CODE>Group</CODE></A></LI>
+<LI><A HREF="#HideImplicitMembers"><CODE>HideImplicitMembers</CODE></A></LI>
+<LI><A HREF="#HostNameLookups"><CODE>HostNameLookups</CODE></A></LI>
+<LI><A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A></LI>
+<LI><A HREF="#ImplicitAnyClasses"><CODE>ImplicitAnyClasses</CODE></A></LI>
+<LI><A HREF="#Include"><CODE>Include</CODE></A></LI>
+<LI><A HREF="#KeepAliveTimeout"><CODE>KeepAliveTimeout</CODE></A></LI>
+<LI><A HREF="#KeepAlive"><CODE>KeepAlive</CODE></A></LI>
+<LI><A HREF="#Limit"><CODE>Limit</CODE></A></LI>
+<LI><A HREF="#LimitExcept"><CODE>LimitExcept</CODE></A></LI>
+<LI><A HREF="#LimitRequestBody"><CODE>LimitRequestBody</CODE></A></LI>
+<LI><A HREF="#Listen"><CODE>Listen</CODE></A></LI>
+<LI><A HREF="#Location"><CODE>Location</CODE></A></LI>
+<LI><A HREF="#LogLevel"><CODE>LogLevel</CODE></A></LI>
+<LI><A HREF="#MaxClients"><CODE>MaxClients</CODE></A></LI>
+<LI><A HREF="#MaxJobs"><CODE>MaxJobs</CODE></A></LI>
+<LI><A HREF="#MaxJobsPerPrinter"><CODE>MaxJobsPerPrinter</CODE></A></LI>
+<LI><A HREF="#MaxJobsPerUser"><CODE>MaxJobsPerUser</CODE></A></LI>
+<LI><A HREF="#MaxLogSize"><CODE>MaxLogSize</CODE></A></LI>
+<LI><A HREF="#MaxRequestSize"><CODE>MaxRequestSize</CODE></A></LI>
+<LI><A HREF="#Order"><CODE>Order</CODE></A></LI>
+</TD><TD VALIGN="TOP"> &nbsp;&nbsp;&nbsp;</TD><TD VALIGN="TOP">
+<LI><A HREF="#PageLog"><CODE>PageLog</CODE></A></LI>
+<LI><A HREF="#Port"><CODE>Port</CODE></A></LI>
+<LI><A HREF="#PreserveJobFiles"><CODE>PreserveJobFiles</CODE></A></LI>
+<LI><A HREF="#PreserveJobHistory"><CODE>PreserveJobHistory</CODE></A></LI>
+<LI><A HREF="#Printcap"><CODE>Printcap</CODE></A></LI>
+<LI><A HREF="#PrintcapFormat"><CODE>PrintcapFormat</CODE></A></LI>
+<LI><A HREF="#PrintcapGUI"><CODE>PrintcapGUI</CODE></A></LI>
+<LI><A HREF="#RemoteRoot"><CODE>RemoteRoot</CODE></A></LI>
+<LI><A HREF="#RequestRoot"><CODE>RequestRoot</CODE></A></LI>
+<LI><A HREF="#Require"><CODE>Require</CODE></A></LI>
+<LI><A HREF="#RIPCache"><CODE>RIPCache</CODE></A></LI>
+<LI><A HREF="#RunAsUser"><CODE>RunAsUser</CODE></A></LI>
+<LI><A HREF="#Satisfy"><CODE>Satisfy</CODE></A></LI>
+<LI><A HREF="#ServerAdmin"><CODE>ServerAdmin</CODE></A></LI>
+<LI><A HREF="#ServerBin"><CODE>ServerBin</CODE></A></LI>
+<LI><A HREF="#ServerCertificate"><CODE>ServerCertificate</CODE></A></LI>
+<LI><A HREF="#ServerKey"><CODE>ServerKey</CODE></A></LI>
+<LI><A HREF="#ServerName"><CODE>ServerName</CODE></A></LI>
+<LI><A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A></LI>
+<LI><A HREF="#SSLListen"><CODE>SSLListen</CODE></A></LI>
+<LI><A HREF="#SSLPort"><CODE>SSLPort</CODE></A></LI>
+<LI><A HREF="#SystemGroup"><CODE>SystemGroup</CODE></A></LI>
+<LI><A HREF="#TempDir"><CODE>TempDir</CODE></A></LI>
+<LI><A HREF="#Timeout"><CODE>Timeout</CODE></A></LI>
+<LI><A HREF="#User"><CODE>User</CODE></A></LI>
+</TD></TR>
+</TABLE>
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="AccessLog">AccessLog</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+AccessLog /var/log/cups/access_log
+AccessLog /var/log/cups/access_log-%s
+AccessLog syslog
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>AccessLog</CODE> directive sets the name of the access log
+ file. If the filename is not absolute then it is assumed to be relative
+ to the<A HREF="#ServerRoot"> <CODE>ServerRoot</CODE></A> directory. The
+ access log file is stored in &quot;common log format&quot; and can be used by any
+ web access reporting tool to generate a report on CUPS server activity.</P>
+<P>The server name can be included in the filename by using <CODE>%s</CODE>
+ in the name.</P>
+<P>The special name &quot;syslog&quot; can be used to send the access information
+ to the system log instead of a plain file.</P>
+<P>The default access log file is<VAR> /var/log/cups/access_log</VAR>.
+<!-- NEED 6in -->
+</P>
+<H3><A NAME="Allow">Allow</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Allow from All
+Allow from None
+Allow from *.domain.com
+Allow from .domain.com
+Allow from host.domain.com
+Allow from nnn.*
+Allow from nnn.nnn.*
+Allow from nnn.nnn.nnn.*
+Allow from nnn.nnn.nnn.nnn
+Allow from nnn.nnn.nnn.nnn/mm
+Allow from nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Allow</CODE> directive specifies a hostname, IP address, or
+ network that is allowed access to the server. <CODE>Allow</CODE>
+ directives are cummulative, so multiple <CODE>Allow</CODE> directives
+ can be used to allow access for multiple hosts or networks. The <CODE>
+/mm</CODE> notation specifies a CIDR netmask:
+<CENTER>
+<TABLE BORDER="1">
+<TR><TH WIDTH="10%">mm</TH><TH WIDTH="20%">netmask</TH><TH WIDTH="10%">
+mm</TH><TH WIDTH="20%">netmask</TH></TR>
+<TR><TD ALIGN="CENTER">0</TD><TD ALIGN="CENTER">0.0.0.0</TD><TD ALIGN="CENTER">
+8</TD><TD ALIGN="CENTER">255.0.0.0</TD></TR>
+<TR><TD ALIGN="CENTER">1</TD><TD ALIGN="CENTER">128.0.0.0</TD><TD ALIGN="CENTER">
+16</TD><TD ALIGN="CENTER">255.255.0.0</TD></TR>
+<TR><TD ALIGN="CENTER">2</TD><TD ALIGN="CENTER">192.0.0.0</TD><TD ALIGN="CENTER">
+24</TD><TD ALIGN="CENTER">255.255.255.0</TD></TR>
+<TR><TD ALIGN="CENTER">...</TD><TD ALIGN="CENTER">...</TD><TD ALIGN="CENTER">
+32</TD><TD ALIGN="CENTER">255.255.255.255</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>The <CODE>Allow</CODE> directive must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="AuthClass">AuthClass</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+AuthClass Anonymous
+AuthClass User
+AuthClass System
+AuthClass Group
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>AuthClass</CODE> directive defines what level of
+ authentication is required:</P>
+<UL>
+<LI><CODE>Anonymous</CODE> - No authentication should be performed
+ (default.)</LI>
+<LI><CODE>User</CODE> - A valid username and password is required.</LI>
+<LI><CODE>System</CODE> - A valid username and password is required, and
+ the username must belong to the &quot;sys&quot; group; this can be changed using
+ the<A HREF="#SystemGroup"> <CODE>SystemGroup</CODE></A> directive.</LI>
+<LI><CODE>Group</CODE> - A valid username and password is required, and
+ the username must belong to the group named by the <CODE>AuthGroupName</CODE>
+ directive.</LI>
+</UL>
+<P>The <CODE>AuthClass</CODE> directive must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="AuthGroupName">AuthGroupName</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+AuthGroupName mygroup
+AuthGroupName lp
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>AuthGroupName</CODE> directive sets the group to use for <CODE>
+Group</CODE> authentication.</P>
+<P>The <CODE>AuthGroupName</CODE> directive must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="AuthType">AuthType</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+AuthType None
+AuthType Basic
+AuthType Digest
+AuthType BasicDigest
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>AuthType</CODE> directive defines the type of
+ authentication to perform:</P>
+<UL>
+<LI><CODE>None</CODE> - No authentication should be performed (default.)</LI>
+<LI><CODE>Basic</CODE> - Basic authentication should be performed using
+ the UNIX password and group files.</LI>
+<LI><CODE>Digest</CODE> - Digest authentication should be performed
+ using the<VAR> /etc/cups/passwd.md5</VAR> file.</LI>
+<LI><CODE>BasicDigest</CODE> - Basic authentication should be performed
+ using the<VAR> /etc/cups/passwd.md5</VAR> file.</LI>
+</UL>
+<P>When using <CODE>Basic</CODE>, <CODE>Digest</CODE>, or <CODE>
+BasicDigest</CODE> authentication, clients connecting through the <CODE>
+localhost</CODE> interface can also authenticate using<A HREF="#CERTIFICATES">
+ certificates</A>.</P>
+<P>The <CODE>AuthType</CODE> directive must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="AutoPurgeJobs">AutoPurgeJobs</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+AutoPurgeJobs Yes
+AutoPurgeJobs No
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>AutoPurgeJobs</CODE> directive specifies whether or not to
+ purge completed jobs once they are no longer required for quotas. This
+ option has no effect if quotas are not enabled. The default setting is <CODE>
+No</CODE>.
+<!-- NEED 5in -->
+</P>
+<H3><A NAME="BrowseAddress">BrowseAddress</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseAddress 255.255.255.255:631
+BrowseAddress 192.0.2.255:631
+BrowseAddress host.domain.com:631
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseAddress</CODE> directive specifies an address to send
+ browsing information to. Multiple <CODE>BrowseAddress</CODE> directives
+ can be specified to send browsing information to different networks or
+ systems.</P>
+<P>The default address is <CODE>255.255.255.255:631</CODE> which will
+ broadcast the information to all networks the server is connected to.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>If you are using HP-UX 10.20 and a subnet that is not 24, 16, or 8
+ bits, printer browsing (and in fact all broadcast reception) will not
+ work. This problem appears to be fixed in HP-UX 11.0.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="BrowseAllow">BrowseAllow</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseAllow from all
+BrowseAllow from none
+BrowseAllow from 192.0.2
+BrowseAllow from 192.0.2.0/24
+BrowseAllow from 192.0.2.0/255.255.255.0
+BrowseAllow from *.domain.com
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseAllow</CODE> directive specifies a system or network
+ to accept browse packets from. The default is to accept browse packets
+ from all hosts.</P>
+<P>Host and domain name matching require that you enable the<A HREF="#HostNameLookups">
+ <CODE>HostNameLookups</CODE></A> directive.</P>
+<P>IP address matching supports exact matches, partial addresses that
+ match networks using netmasks of 255.0.0.0, 255.255.0.0, and
+ 255.255.255.0, or network addresses using the specified netmask or bit
+ count.
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="BrowseDeny">BrowseDeny</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseDeny from all
+BrowseDeny from none
+BrowseDeny from 192.0.2
+BrowseDeny from 192.0.2.0/24
+BrowseDeny from 192.0.2.0/255.255.255.0
+BrowseDeny from *.domain.com
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseDeny</CODE> directive specifies a system or network
+ to reject browse packets from. The default is to deny browse packets
+ from no hosts.</P>
+<P>Host and domain name matching require that you enable the<A HREF="#HostNameLookups">
+ <CODE>HostNameLookups</CODE></A> directive.</P>
+<P>IP address matching supports exact matches, partial addresses that
+ match networks using netmasks of 255.0.0.0, 255.255.0.0, and
+ 255.255.255.0, or network addresses using the specified netmask or bit
+ count.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="BrowseOrder">BrowseOrder</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseOrder allow,deny
+BrowseOrder deny,allow
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseOrder</CODE> directive specifies the order of
+ allow/deny processing. The default order is <CODE>deny,allow</CODE>:</P>
+<UL>
+<LI><CODE>allow,deny</CODE> - Browse packets are accepted unless
+ specifically denied.</LI>
+<LI><CODE>deny,allow</CODE> - Browse packets are rejected unless
+ specifically allowed.</LI>
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowseInterval">BrowseInterval</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseInterval 0
+BrowseInterval 30
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseInterval</CODE> directive specifies the maximum
+ amount of time between browsing updates. Specifying a value of 0
+ seconds disables outgoing browse updates but allows a server to receive
+ printer information from other hosts.</P>
+<P>The <CODE>BrowseInterval</CODE> value should always be less than the<A
+HREF="#BrowseTimeout"> <CODE>BrowseTimeout</CODE></A> value. Otherwise
+ printers and classes will disappear from client systems between
+ updates.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="BrowsePoll">BrowsePoll</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowsePoll 192.0.2.2:631
+BrowsePoll host.domain.com:631
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowsePoll</CODE> directive polls a server for available
+ printers once every<A HREF="#BrowseInterval"> <CODE>BrowseInterval</CODE>
+</A> seconds. Multiple <CODE>BrowsePoll</CODE> directives can be
+ specified to poll multiple servers.</P>
+<P>If <CODE>BrowseInterval</CODE> is set to 0 then the server is polled
+ once every 30 seconds.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="BrowsePort">BrowsePort</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowsePort 631
+BrowsePort 9999
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowsePort</CODE> directive specifies the UDP port number
+ used for browse packets. The default port number is 631.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>You must set the <CODE>BrowsePort</CODE> to the same value on all of
+ the systems that you want to see.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="BrowseProtocols">BrowseProtocols</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseProtocols CUPS
+BrowseProtocols SLP
+BrowseProtocols CUPS SLP
+BrowseProtocols all
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseProtocols</CODE> directive specifies the protocols to
+ use when collecting and distributing shared printers on the local
+ network. The default protocol is <CODE>CUPS</CODE>, which is a
+ broadcast-based protocol.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>When using the <CODE>SLP</CODE> protocol, you must have at least one
+ Directory Agent (DA) server on your network. Otherwise the CUPS
+ scheduler (<CODE>cupsd</CODE>) will not respond to client requests for
+ several seconds while polling the network.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="BrowseRelay">BrowseRelay</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseRelay 193.0.2.1 192.0.2.255
+BrowseRelay 193.0.2.0/255.255.255.0 192.0.2.255
+BrowseRelay 193.0.2.0/24 192.0.2.255
+BrowseRelay *.domain.com 192.0.2.255
+BrowseRelay host.domain.com 192.0.2.255
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseRelay</CODE> directive specifies source and
+ destination addresses for relaying browsing information from one host
+ or network to another. Multiple <CODE>BrowseRelay</CODE> directives can
+ be specified as needed.</P>
+<P><CODE>BrowseRelay</CODE> is typically used on systems that bridge
+ multiple subnets using one or more network interfaces. It can also be
+ used to relay printer information from polled servers with the line:</P>
+<UL>
+<PRE>
+BrowseRelay 127.0.0.1 255.255.255.255
+</PRE>
+</UL>
+<P>This effectively provides access to printers on a WAN for all clients
+ on the LAN(s).
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="BrowseShortNames">BrowseShortNames</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseShortNames Yes
+BrowseShortNames No
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseShortNames</CODE> directive specifies whether or not
+ short names are used for remote printers when possible. Short names are
+ just the remote printer name, without the server (&quot;printer&quot;). If more
+ than one remote printer is detected with the same name, the printers
+ will have long names (&quot;printer@server1&quot;, &quot;printer@server2&quot;.)</P>
+<P>The default value for this option is <CODE>Yes</CODE>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="BrowseTimeout">BrowseTimeout</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+BrowseTimeout 300
+BrowseTimeout 60
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>BrowseTimeout</CODE> directive sets the timeout for printer
+ or class information that is received in browse packets. Once a printer
+ or class times out it is removed from the list of available
+ destinations.</P>
+<P>The <CODE>BrowseTimeout</CODE> value should always be greater than
+ the<A HREF="#BrowseInterval"> <CODE>BrowseInterval</CODE></A> value.
+ Otherwise printers and classes will disappear from client systems
+ between updates.
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="Browsing">Browsing</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Browsing On
+Browsing Off
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Browsing</CODE> directive controls whether or not network
+ printer browsing is enabled. The default setting is <CODE>On</CODE>.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>If you are using HP-UX 10.20 and a subnet that is not 24, 16, or 8
+ bits, printer browsing (and in fact all broadcast reception) will not
+ work. This problem appears to be fixed in HP-UX 11.0.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Classification">Classification</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Classification
+Classification classified
+Classification confidential
+Classification secret
+Classification topsecret
+Classification unclassified
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Classification</CODE> directive sets the classification
+ level on the server. When this option is set, at least one of the
+ banner pages is forced to the classification level, and the
+ classification is placed on each page of output. The default is no
+ classification level.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ClassifyOverride">ClassifyOverride</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ClassifyOverride Yes
+ClassifyOverride No
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ClassifyOverride</CODE> directive specifies whether users
+ can override the default classification level on the server. When the
+ server classification is set, users can change the classification using
+ the <CODE>job-sheets</CODE> option and can choose to only print one
+ security banner before or after the job. If the <CODE>job-sheets</CODE>
+ option is set to <CODE>none</CODE> then the server default
+ classification is used.</P>
+<P>The default is to not allow classification overrides.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="DataDir">DataDir</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+DataDir /usr/share/cups
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>DataDir</CODE> directive sets the directory to use for data
+ files.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="DefaultCharset">DefaultCharset</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+DefaultCharset utf-8
+DefaultCharset iso-8859-1
+DefaultCharset windows-1251
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>DefaultCharset</CODE> directive sets the default character
+ set to use for client connections. The default character set is <CODE>
+utf-8</CODE> but is overridden by the character set for the language
+ specified by the client or the <CODE>DefaultLanguage</CODE> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="DefaultLanguage">DefaultLanguage</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+DefaultLanguage de
+DefaultLanguage en
+DefaultLanguage es
+DefaultLanguage fr
+DefaultLanguage it
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>DefaultLanguage</CODE> directive specifies the default
+ language to use for client connections. Setting the default language
+ also sets the default character set if a language localization file
+ exists for it. The default language is &quot;en&quot; for English.
+<!-- NEED 5in -->
+</P>
+<H3><A NAME="Deny">Deny</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Deny from All
+Deny from None
+Deny from *.domain.com
+Deny from .domain.com
+Deny from host.domain.com
+Deny from nnn.*
+Deny from nnn.nnn.*
+Deny from nnn.nnn.nnn.*
+Deny from nnn.nnn.nnn.nnn
+Deny from nnn.nnn.nnn.nnn/mm
+Deny from nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Deny</CODE> directive specifies a hostname, IP address, or
+ network that is allowed access to the server. <CODE>Deny</CODE>
+ directives are cummulative, so multiple <CODE>Deny</CODE> directives
+ can be used to allow access for multiple hosts or networks. The <CODE>
+/mm</CODE> notation specifies a CIDR netmask:
+<CENTER>
+<TABLE BORDER="1">
+<TR><TH WIDTH="10%">mm</TH><TH WIDTH="20%">netmask</TH><TH WIDTH="10%">
+mm</TH><TH WIDTH="20%">netmask</TH></TR>
+<TR><TD ALIGN="CENTER">0</TD><TD ALIGN="CENTER">0.0.0.0</TD><TD ALIGN="CENTER">
+8</TD><TD ALIGN="CENTER">255.0.0.0</TD></TR>
+<TR><TD ALIGN="CENTER">1</TD><TD ALIGN="CENTER">128.0.0.0</TD><TD ALIGN="CENTER">
+16</TD><TD ALIGN="CENTER">255.255.0.0</TD></TR>
+<TR><TD ALIGN="CENTER">2</TD><TD ALIGN="CENTER">192.0.0.0</TD><TD ALIGN="CENTER">
+24</TD><TD ALIGN="CENTER">255.255.255.0</TD></TR>
+<TR><TD ALIGN="CENTER">...</TD><TD ALIGN="CENTER">...</TD><TD ALIGN="CENTER">
+32</TD><TD ALIGN="CENTER">255.255.255.255</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>The <CODE>Deny</CODE> directive must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="DocumentRoot">DocumentRoot</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+DocumentRoot /usr/share/doc/cups
+DocumentRoot /foo/bar/doc/cups
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>DocumentRoot</CODE> directive specifies the location of web
+ content for the HTTP server in CUPS. If an absolute path is not
+ specified then it is assumed to be relative to the<A HREF="#ServerRoot">
+ <CODE>ServerRoot</CODE></A> directory. The default directory is<VAR>
+ /usr/share/doc/cups</VAR>.</P>
+<P>Documents are first looked up in a sub-directory for the primary
+ language requested by the client (e.g.<VAR> /usr/share/doc/cups/fr/...</VAR>
+) and then directly under the <CODE>DocumentRoot</CODE> directory (e.g.<VAR>
+ /usr/share/doc/cups/...</VAR>), so it is possible to localize the web
+ content by providing subdirectories for each language needed.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Encryption">Encryption</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Encryption Never
+Encryption IfRequested
+Encryption Required
+Encryption Always
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Encryption</CODE> directive must appear instead a<A HREF="#Location">
+ <CODE>Location</CODE></A> section and specifies the encryption settings
+ for that location. The default setting is <CODE>IfRequested</CODE> for
+ all locations.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ErrorLog">ErrorLog</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ErrorLog /var/log/cups/error_log
+ErrorLog /var/log/cups/error_log-%s
+ErrorLog syslog
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ErrorLog</CODE> directive sets the name of the error log
+ file. If the filename is not absolute then it is assumed to be relative
+ to the<A HREF="#ServerRoot"> <CODE>ServerRoot</CODE></A> directory. The
+ default error log file is<VAR> /var/log/cups/error_log</VAR>.</P>
+<P>The server name can be included in the filename by using <CODE>%s</CODE>
+ in the name.</P>
+<P>The special name &quot;syslog&quot; can be used to send the error information
+ to the system log instead of a plain file.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="FilterLimit">FilterLimit</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+FilterLimit 0
+FilterLimit 200
+FilterLimit 1000
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>FilterLimit</CODE> directive sets the maximum cost of all
+ running job filters. It can be used to limit the number of filter
+ programs that are run on a server to minimize disk, memory, and CPU
+ resource problems. A limit of 0 disables filter limiting.</P>
+<P>An average print to a non-PostScript printer needs a filter limit of
+ about 200. A PostScript printer needs about half that (100). Setting
+ the limit below these thresholds will effectively limit the scheduler
+ to printing a single job at any time.</P>
+<P>The default limit is 0.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="FontPath">FontPath</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+FontPath /foo/bar/fonts
+FontPath /usr/share/cups/fonts:/foo/bar/fonts
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>FontPath</CODE> directive specifies the font path to use
+ when searching for fonts. The default font path is <CODE>
+/usr/share/cups/fonts</CODE>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Group">Group</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Group sys
+Group system
+Group root
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Group</CODE> directive specifies the UNIX group that filter
+ and CGI programs run as. The default group is <CODE>sys</CODE>, <CODE>
+system</CODE>, or <CODE>root</CODE> depending on the operating system.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="HideImplicitMembers">HideImplicitMembers</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+HideImplicitMembers Yes
+HideImplicitMembers No
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>HideImplicitMembers</CODE> directive controls whether the
+ individual printers in an implicit class are shown to the user. The
+ default is <CODE>No</CODE>.</P>
+<P><A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A> must be
+ enabled for this directive to have any effect.</P>
+
+<!-- NEED 3in -->
+<H3><A NAME="HostNameLookups">HostNameLookups</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+HostNameLookups On
+HostNameLookups Off
+HostNameLookups Double
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>HostNameLookups</CODE> directive controls whether or not
+ CUPS looks up the hostname for connecting clients. The <CODE>Double</CODE>
+ setting causes CUPS to verify that the hostname resolved from the
+ address matches one of the addresses returned for that hostname. <CODE>
+Double</CODE> lookups also prevent clients with unregistered addresses
+ from connecting to your server. The default is <CODE>Off</CODE> to
+ avoid the potential server performance problems with hostname lookups.
+ Set this option to <CODE>On</CODE> or <CODE>Double</CODE> only if
+ absolutely required.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ImplicitClasses">ImplicitClasses</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ImplicitClasses On
+ImplicitClasses Off
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ImplicitClasses</CODE> directive controls whether implicit
+ classes are created based upon the available network printers and
+ classes. The default setting is <CODE>On</CODE> but is automatically
+ turned <CODE>Off</CODE> if<A HREF="#Browsing"> <CODE>Browsing</CODE></A>
+ is turned <CODE>Off</CODE>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ImplicitAnyClasses">ImplicitAnyClasses</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ImplicitAnyClasses On
+ImplicitAnyClasses Off
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ImplicitAnyClasses</CODE> directive controls whether
+ implicit classes for local and remote printers are created with the
+ name <CODE>AnyPrinter</CODE>. The default setting is <CODE>Off</CODE>.</P>
+<P><A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A> must be
+ enabled for this directive to have any effect.</P>
+
+<!-- NEED 3in -->
+<H3><A NAME="Include">Include</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Include filename
+Include /foo/bar/filename
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Include</CODE> directive includes the named file in the <CODE>
+cupsd.conf</CODE> file. If no leading path is provided, the file is
+ assumed to be relative to the<A HREF="#ServerRoot"> <CODE>ServerRoot</CODE>
+</A> directory.</P>
+
+<!-- NEED 3in -->
+<H3><A NAME="KeepAlive">KeepAlive</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+KeepAlive On
+KeepAlive Off
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>KeepAlive</CODE> directive controls whether or not to
+ support persistent HTTP connections. The default is <CODE>On</CODE>.</P>
+<P>HTTP/1.1 clients automatically support persistent connections, while
+ HTTP/1.0 clients must specifically request them using the <CODE>
+Keep-Alive</CODE> attribute in the <CODE>Connection:</CODE> field of
+ each request.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="KeepAliveTimeout">KeepAliveTimeout</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+KeepAliveTimeout 60
+KeepAliveTimeout 30
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>KeepAliveTimeout</CODE> directive controls how long a
+ persistent HTTP connection will remain open after the last request. The
+ default is 60 seconds.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Limit">Limit</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+&lt;Limit GET POST&gt;
+...
+&lt;/Limit&gt;
+
+&lt;Limit ALL&gt;
+...
+&lt;/Limit&gt;
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Limit</CODE> directive groups access control directives for
+ specific types of HTTP requests and must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> section. Access can be limited for individual
+ request types (<CODE>DELETE</CODE>, <CODE>GET</CODE>, <CODE>HEAD</CODE>
+, <CODE>OPTIONS</CODE>, <CODE>POST</CODE>, <CODE>PUT</CODE>, and <CODE>
+TRACE</CODE>) or for all request types (<CODE>ALL</CODE>). The request
+ type names are case-sensitive for compatibility with Apache.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="LimitExcept">LimitExcept</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+&lt;LimitExcept GET POST&gt;
+...
+&lt;/LimitExcept&gt;
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>LimitExcept</CODE> directive groups access control
+ directives for specific types of HTTP requests and must appear inside a<A
+HREF="#Location"> <CODE>Location</CODE></A> section. Unlike the<A HREF="#Limit">
+ <CODE>Limit</CODE></A> directive, <CODE>LimitExcept</CODE> restricts
+ access for all requests<I> except</I> those listed on the <CODE>
+LimitExcept</CODE> line.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="LimitRequestBody">LimitRequestBody</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+LimitRequestBody 10485760
+LimitRequestBody 10m
+LimitRequestBody 0
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>LimitRequestBody</CODE> directive controls the maximum size
+ of print files, IPP requests, and HTML form data in HTTP POST requests.
+ The default limit is 0 which disables the limit check.</P>
+<P>Also see the identical<A HREF="#MaxRequestSize"> <CODE>MaxRequestSize</CODE>
+</A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Listen">Listen</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Listen 127.0.0.1:631
+Listen 192.0.2.1:631
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Listen</CODE> directive specifies a network address and
+ port to listen for connections. Multiple <CODE>Listen</CODE> directives
+ can be provided to listen on multiple addresses.</P>
+<P>The <CODE>Listen</CODE> directive is similar to the<A HREF="#Port"> <CODE>
+Port</CODE></A> directive but allows you to restrict access to specific
+ interfaces or networks.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Location">Location</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+&lt;Location /&gt;
+...
+&lt;/Location&gt;
+
+&lt;Location /admin&gt;
+...
+&lt;/Location&gt;
+
+&lt;Location /printers/name&gt;
+...
+&lt;/Location&gt;
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Location</CODE> directive specifies access control and
+ authentication options for the specified HTTP resource or path. More
+ information can be found later in this chapter in<A HREF="#PRINTING_SECURITY">
+ &quot;Printing System Security&quot;</A>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="LogLevel">LogLevel</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+LogLevel none
+LogLevel emerg
+LogLevel alert
+LogLevel crit
+LogLevel error
+LogLevel warn
+LogLevel notice
+LogLevel info
+LogLevel debug
+LogLevel debug2
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>LogLevel</CODE> directive specifies the level of logging
+ for the<A HREF="#ErrorLog"> <CODE>ErrorLog</CODE></A> file. The
+ following values are recognized (each level logs everything under the
+ preceding levels):</P>
+<UL>
+<LI><CODE>none</CODE> - Log nothing.</LI>
+<LI><CODE>emerg</CODE> - Log emergency conditions that prevent the
+ server from running.</LI>
+<LI><CODE>alert</CODE> - Log alerts that must be handled immediately.</LI>
+<LI><CODE>crit</CODE> - Log critical errors that don't prevent the
+ server from running.</LI>
+<LI><CODE>error</CODE> - Log general errors.</LI>
+<LI><CODE>warn</CODE> - Log errors and warnings.</LI>
+<LI><CODE>notice</CODE> - Log temporary error conditions.</LI>
+<LI><CODE>info</CODE> - Log all requests and state changes (default).</LI>
+<LI><CODE>debug</CODE> - Log basic debugging information.</LI>
+<LI><CODE>debug2</CODE> - Log all debugging information.</LI>
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxClients">MaxClients</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+MaxClients 100
+MaxClients 1024
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>MaxClients</CODE> directive controls the maximum number of
+ simultaneous clients that will be allowed by the server. The default is
+ 100 clients.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Since each print job requires a file descriptor for the status pipe,
+ the CUPS server internally limits the <CODE>MaxClients</CODE> value to
+ 1/3 of the available file descriptors to avoid possible problems when
+ printing large numbers of jobs.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="MaxJobs">MaxJobs</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+MaxJobs 100
+MaxJobs 9999
+MaxJobs 0
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>MaxJobs</CODE> directive controls the maximum number of
+ jobs that are kept in memory. Once the number of jobs reaches the
+ limit, the oldest completed job is automatically purged from the system
+ to make room for the new one. If all of the known jobs are still
+ pending or active then the new job will be rejected.</P>
+<P>Setting the maximum to 0 disables this functionality. The default
+ setting is 0.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="MaxJobsPerPrinter">MaxJobsPerPrinter</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+MaxJobsPerPrinter 100
+MaxJobsPerPrinter 9999
+MaxJobsPerPrinter 0
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>MaxJobsPerPrinter</CODE> directive controls the maximum
+ number of active jobs that are allowed for each printer or class. Once
+ a printer or class reaches the limit, new jobs will be rejected until
+ one of the active jobs is completed, stopped, aborted, or cancelled.</P>
+<P>Setting the maximum to 0 disables this functionality. The default
+ setting is 0.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="MaxJobsPerUser">MaxJobsPerUser</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+MaxJobsPerUser 100
+MaxJobsPerUser 9999
+MaxJobsPerUser 0
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>MaxJobsPerUser</CODE> directive controls the maximum number
+ of active jobs that are allowed for each user. Once a user reaches the
+ limit, new jobs will be rejected until one of the active jobs is
+ completed, stopped, aborted, or cancelled.</P>
+<P>Setting the maximum to 0 disables this functionality. The default
+ setting is 0.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="MaxLogSize">MaxLogSize</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+MaxLogSize 1048576
+MaxLogSize 1m
+MaxLogSize 0
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>MaxLogSize</CODE> directive controls the maximum size of
+ each log file. Once a log file reaches or exceeds the maximum size it
+ is closed and renamed to<VAR> filename.O</VAR>. This allows you to
+ rotate the logs automatically. The default size is 1048576 bytes (1MB).</P>
+<P>Setting the maximum size to 0 disables log rotation.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="MaxRequestSize">MaxRequestSize</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+MaxRequestSize 10485760
+MaxRequestSize 10m
+MaxRequestSize 0
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>MaxRequestSize</CODE> directive controls the maximum size
+ of print files, IPP requests, and HTML form data in HTTP POST requests.
+ The default limit is 0 which disables the limit check.</P>
+<P>Also see the identical<A HREF="#LimitRequestBody"> <CODE>
+LimitRequestBody</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Order">Order</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Order Allow,Deny
+Order Deny,Allow
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Order</CODE> directive defines the default access control.
+ The following values are supported:</P>
+<UL>
+<LI><CODE>Allow,Deny</CODE> - Allow requests from all systems<I> except</I>
+ for those listed in a <CODE>Deny</CODE> directive.</LI>
+<LI><CODE>Deny,Allow</CODE> - Allow requests only from those listed in
+ an <CODE>Allow</CODE> directive.</LI>
+</UL>
+<P>The <CODE>Order</CODE> directive must appear inside a<A HREF="#Location">
+ <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="PageLog">PageLog</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+PageLog /var/log/cups/page_log
+PageLog /var/log/cups/page_log-%s
+PageLog syslog
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>PageLog</CODE> directive sets the name of the page log
+ file. If the filename is not absolute then it is assumed to be relative
+ to the<A HREF="#ServerRoot"> <CODE>ServerRoot</CODE></A> directory. The
+ default page log file is<VAR> /var/log/cups/page_log</VAR>.</P>
+<P>The server name can be included in the filename by using <CODE>%s</CODE>
+ in the name.</P>
+<P>The special name &quot;syslog&quot; can be used to send the page information to
+ the system log instead of a plain file.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Port">Port</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Port 631
+Port 80
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Port</CODE> directive specifies a port to listen on.
+ Multiple <CODE>Port</CODE> lines can be specified to listen on multiple
+ ports. The default port is 631.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="PreserveJobHistory">PreserveJobHistory</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+PreserveJobHistory On
+PreserveJobHistory Off
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>PreserveJobHistory</CODE> directive controls whether the
+ history of completed, cancelled, or aborted print jobs is stored on
+ disk.</P>
+<P>A value of <CODE>On</CODE> (the default) preserves job information
+ until the administrator purges it with the <CODE>cancel</CODE> command.</P>
+<P>A value of <CODE>Off</CODE> removes the job information as soon as
+ each job is completed, cancelled, or aborted.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="PreserveJobFiles">PreserveJobFiles</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+PreserveJobFiles On
+PreserveJobFiles Off
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>PreserveJobFiles</CODE> directive controls whether the
+ document files of completed, cancelled, or aborted print jobs are
+ stored on disk.</P>
+<P>A value of <CODE>On</CODE> preserves job files until the
+ administrator purges them with the <CODE>cancel</CODE> command. Jobs
+ can be restarted (and reprinted) as desired until they are purged.</P>
+<P>A value of <CODE>Off</CODE> (the default) removes the job files as
+ soon as each job is completed, cancelled, or aborted.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Printcap">Printcap</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Printcap
+Printcap /etc/printcap
+Printcap /etc/printers.conf
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Printcap</CODE> directive controls whether or not a
+ printcap file is automatically generated and updated with a list of
+ available printers. If specified with no value, then no printcap file
+ will be generated. The default is to generate a file named<VAR>
+ /etc/printcap</VAR>.</P>
+<P>When a filename is specified (e.g.<VAR> /etc/printcap</VAR>), the
+ printcap file is written whenever a printer is added or removed. The
+ printcap file can then be used by applications that are hardcoded to
+ look at the printcap file for the available printers.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="PrintcapFormat">PrintcapFormat</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+PrintcapFormat BSD
+PrintcapFormat Solaris
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>PrintcapFormat</CODE> directive controls the output format
+ of the printcap file. The default is to generate a BSD printcap file.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="PrintcapGUI">PrintcapGUI</A></H3>
+<HR>
+<H4>Example</H4>
+<UL>
+<PRE>
+PrintcapGUI /usr/bin/glpoptions
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>PrintcapGUI</CODE> directive sets the program to use when
+ displaying an option panel from an IRIX application that uses the
+ Impressario print API. The default program is the ESP Print Pro
+ &quot;glpoptions&quot; GUI.</P>
+<P>The program must accept the <CODE>-d</CODE> option to specify a
+ printer and the <CODE>-o</CODE> option to specify one or more options.
+ After allowing the user to select/change options, the program must then
+ write the list of printing options without the <CODE>-o</CODE> to the
+ standard output.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="RemoteRoot">RemoteRoot</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+RemoteRoot remroot
+RemoteRoot root
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>RemoteRoot</CODE> directive sets the username for
+ unauthenticated root requests from remote hosts. The default username
+ is<VAR> remroot</VAR>. Setting <CODE>RemoteRoot</CODE> to<VAR> root</VAR>
+ effectively disables this security mechanism.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="RequestRoot">RequestRoot</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+RequestRoot /var/spool/cups
+RequestRoot /foo/bar/spool/cups
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>RequestRoot</CODE> directive sets the directory for
+ incoming IPP requests and HTML forms. If an absolute path is not
+ provided then it is assumed to be relative to the<A HREF="#ServerRoot">
+ <CODE>ServerRoot</CODE></A> directory. The default request directory is<VAR>
+ /var/spool/cups</VAR>.
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="Require">Require</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Require group foo bar
+Require user john mary
+Require valid-user
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Require</CODE> directive specifies that authentication is
+ required for the resource. The <CODE>group</CODE> keyword specifies
+ that the authenticated user must be a member of one or more of the
+ named groups that follow.</P>
+<P>The <CODE>user</CODE> keyboard specifies that the authenticated user
+ must be one of the named users that follow.</P>
+<P>The <CODE>valid-user</CODE> keyword specifies that any authenticated
+ user may access the resource.</P>
+<P>The default is to do no authentication. This directive must appear
+ inside a<A HREF="#Location"> <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="RIPCache">RIPCache</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+RIPCache 8m
+RIPCache 1g
+RIPCache 2048k
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>RIPCache</CODE> directive sets the size of the memory cache
+ used by Raster Image Processor (&quot;RIP&quot;) filters such as <CODE>
+imagetoraster</CODE> and <CODE>pstoraster</CODE>. The size can be
+ suffixed with a &quot;k&quot; for kilobytes, &quot;m&quot; for megabytes, or &quot;g&quot; for
+ gigabytes. The default cache size is &quot;8m&quot;, or 8 megabytes.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="RunAsUser">RunAsUser</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+RunAsUser Yes
+RunAsUser No
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>RunAsUser</CODE> directive controls whether the scheduler
+ runs as the unpriviledged user account (usually <CODE>lp</CODE>). The
+ default is <CODE>No</CODE> which leaves the scheduler running as the <CODE>
+root</CODE> user.</P>
+<P><B>Note:</B> Running as a non-priviledged user may prevent LPD and
+ locally connected printers from working due to permission problems. The
+ <CODE>lpd</CODE> backend will automatically use a non-priviledged mode
+ that is not 100% compliant with RFC 1179. The <CODE>parallel</CODE>, <CODE>
+serial</CODE>, and <CODE>usb</CODE> backends will need write access to
+ the corresponding device files.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="Satisfy">Satisfy</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Satisfy all
+Satisfy any
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Satisfy</CODE> directive specifies whether all conditions
+ must be satisfied to allow access to the resource. If set to <CODE>all</CODE>
+, then all authentication and access control conditions must be satified
+ to allow access.</P>
+<P>Setting <CODE>Satisfy</CODE> to <CODE>any</CODE> allows a user to
+ gain access if the authentication or access control requirements are
+ satisfied. For example, you might require authentication for remote
+ access, but allow local access without authentication.</P>
+<P>The default is <CODE>all</CODE>. This directive must appear inside a<A
+HREF="#Location"> <CODE>Location</CODE></A> directive.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ServerAdmin">ServerAdmin</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ServerAdmin user@host
+ServerAdmin root@foo.bar.com
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ServerAdmin</CODE> directive identifies the email address
+ for the administrator on the system. By default the administrator email
+ address is <CODE>root@server</CODE>, where <CODE>server</CODE> is the
+ server name.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ServerBin">ServerBin</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ServerBin /usr/lib/cups
+ServerBin /foo/bar/lib/cups
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ServerBin</CODE> directive sets the directory for
+ server-run executables. If an absolute path is not provided then it is
+ assumed to be relative to the<A HREF="#ServerRoot"> <CODE>ServerRoot</CODE>
+</A> directory. The default executable directory is<VAR> /usr/lib/cups</VAR>
+.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ServerCertificate">ServerCertificate</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ServerCertificate /etc/cups/ssl/server.crt
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ServerCertificate</CODE> directive specifies the location
+ of the SSL certificate file used by the server when negotiating
+ encrypted connections. The certificate must not be encrypted (password
+ protected) since the scheduler normally runs in the background and will
+ be unable to ask for a password. The default certificate file is<VAR>
+ /etc/cups/ssl/server.crt</VAR>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ServerKey">ServerKey</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ServerKey /etc/cups/ssl/server.key
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ServerKey</CODE> directive specifies the location of the
+ SSL private key file used by the server when negotiating encrypted
+ connections. The default key file is<VAR> /etc/cups/ssl/server.crt</VAR>
+.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ServerName"></A>ServerName</H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ServerName foo.domain.com
+ServerName myserver.domain.com
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ServerName</CODE> directive specifies the hostname that is
+ reported to clients. By default the server name is the hostname.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="ServerRoot">ServerRoot</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+ServerRoot /etc/cups
+ServerRoot /foo/bar/cups
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>ServerRoot</CODE> directive specifies the absolute path to
+ the server configuration and state files. It is also used to resolve
+ relative paths in the<VAR> cupsd.conf</VAR> file. The default server
+ directory is<VAR> /etc/cups</VAR>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="SSLListen">SSLListen</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+SSLListen 127.0.0.1:443
+SSLListen 192.0.2.1:443
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>SSLListen</CODE> directive specifies a network address and
+ port to listen for secure connections. Multiple <CODE>SSLListen</CODE>
+ directives can be provided to listen on multiple addresses.</P>
+<P>The <CODE>SSLListen</CODE> directive is similar to the<A HREF="#SSLPort">
+ <CODE>SSLPort</CODE></A> directive but allows you to restrict access to
+ specific interfaces or networks.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="SSLPort">SSLPort</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+SSLPort 443
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>SSLPort</CODE> directive specifies a port to listen on for
+ secure connections. Multiple <CODE>SSLPort</CODE> lines can be
+ specified to listen on multiple ports.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="SystemGroup">SystemGroup</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+SystemGroup sys
+SystemGroup system
+SystemGroup root
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>SystemGroup</CODE> directive specifies the system
+ administration group for <CODE>System</CODE> authentication. More
+ information can be found later in this chapter in<A HREF="#PRINTING_SECURITY">
+ &quot;Printing System Security&quot;</A>.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="TempDir">TempDir</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+TempDir /var/tmp
+TempDir /foo/bar/tmp
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>TempDir</CODE> directive specifies an absolute path for the
+ directory to use for temporary files. The default directory is<VAR>
+ /var/tmp</VAR>.</P>
+<P>Temporary directories must be world-writable and should have the
+ &quot;sticky&quot; permission bit enabled so that other users cannot delete
+ filter temporary files. The following commands will create an
+ appropriate temporary directory called<VAR> /foo/bar/tmp</VAR>:</P>
+<UL>
+<PRE>
+<B>mkdir /foo/bar/tmp ENTER</B>
+<B>chmod a+rwxt /foo/bar/tmp ENTER</B>
+</PRE>
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="Timeout">Timeout</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+Timeout 300
+Timeout 90
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>Timeout</CODE> directive controls the amount of time to
+ wait before an active HTTP or IPP request times out. The default
+ timeout is 300 seconds.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="User">User</A></H3>
+<HR>
+<H4>Examples</H4>
+<UL>
+<PRE>
+User lp
+User guest
+</PRE>
+</UL>
+<H4>Description</H4>
+<P>The <CODE>User</CODE> directive specifies the UNIX user that filter
+ and CGI programs run as. The default user is <CODE>lp</CODE>.
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="PRINTING_SECURITY">Printing System Security</A></H2>
+<P>CUPS provides support for address, certificate, and password (Basic
+ and Digest) based authentication and access control. Certificate and
+ password authentication provide ways to limit access to individual
+ people or groups.</P>
+<P>Address based access control allows you to limit access to specific
+ systems, networks, or domains. While this does not provide
+ authentication, it does allow you to limit the potential users of your
+ system efficiently.</P>
+<P>CUPS maintains a list of locations that have access control and/or
+ authentication enabled. Locations are specified using the<A HREF="#Location">
+ <CODE>Location</CODE></A> directive:</P>
+<UL>
+<PRE>
+&lt;Location /resource&gt;
+<A HREF="#AuthClass">AuthClass</A> ...
+<A HREF="#AuthGroupName">AuthGroupName</A> ...
+<A HREF="#AuthType">AuthType</A> ...
+
+<A HREF="#Order">Order</A> ...
+<A HREF="#Allow">Allow</A> from ...
+<A HREF="#Deny">Deny</A> from ...
+&lt;/Location&gt;
+</PRE>
+</UL>
+<P>Locations generally follow the directory structure of the<A HREF="#DocumentRoot">
+ <CODE>DocumentRoot</CODE></A> directory, however CUPS does have several
+ virtual locations for administration, classes, jobs, and printers:
+<CENTER>
+<TABLE BORDER="1">
+<TR><TH>Location</TH><TH>Description</TH></TR>
+<TR><TD>/admin</TD><TD>The path for all administration operations.</TD></TR>
+<TR><TD>/classes</TD><TD>The path for all classes.</TD></TR>
+<TR><TD>/classes/name</TD><TD>The resource for class <CODE>name</CODE>.</TD>
+</TR>
+<TR><TD>/jobs</TD><TD>The path for all jobs.</TD></TR>
+<TR><TD>/jobs/id</TD><TD>The resource for job <CODE>id</CODE>.</TD></TR>
+<TR><TD>/printers</TD><TD>The path for all printers.</TD></TR>
+<TR><TD>/printers/name</TD><TD>The path for printer <CODE>name</CODE>.</TD>
+</TR>
+<TR><TD>/printers/name.ppd</TD><TD>The PPD file path for printer <CODE>
+name</CODE>.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="CERTIFICATES">Authentication Using Certificates</A></H3>
+<P>CUPS supports a local certificate-based authentication scheme that
+ can be used in place of <CODE>Basic</CODE> or <CODE>Digest</CODE>
+ authentication by clients connecting through the <CODE>localhost</CODE>
+ interface. Certificate authentication is not supported or allowed from
+ clients on any other interface.</P>
+<P>Certificates are 128-bit random numbers that refer to an internal
+ authentication record in the server. A client connecting via the <CODE>
+localhost</CODE> interface sends a request with an authorization header
+ of:</P>
+<UL>
+<PRE>
+Authorization: Local 0123456789ABCDEF0123456789ABCDEF
+</PRE>
+</UL>
+<P>The server then looks up the local certificate and authenticates
+ using the username associated with it.</P>
+<P>Certificates are generated by the server automatically and stored in
+ the<VAR> /etc/cups/certs</VAR> directory using the process ID of the
+ CGI program started by the server. Certificate files are only readable
+ by the<A HREF="#User"> <CODE>User</CODE></A> and<A HREF="#Group"> <CODE>
+Group</CODE></A> defined in the<VAR> cupsd.conf</VAR> file. When the CGI
+ program ends the certificate is removed and invalidated automatically.</P>
+<P>The special file<VAR> /etc/cups/certs/0</VAR> defines the<I> root
+ certificate</I> which can be used by any client running as the
+ super-user or another user that is part of the group defined by the<A HREF="#SystemGroup">
+ <CODE>SystemGroup</CODE></A> directive. The root certificate is
+ automatically regenerated every 5 minutes.</P>
+<H3><A NAME="7_5_2">Using Basic Authentication</A></H3>
+<P>Basic authentication uses UNIX users and passwords to authenticate
+ access to resources such as printers and classes, and to limit access
+ to administrative functions.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Basic authentication sends the username and password Base64 encoded
+ from the client to the server, so it offers no protection against
+ eavesdropping. This means that a malicious user can monitor network
+ packets and discover valid users and passwords that could result in a
+ serious compromise in network security. Use Basic authentication with
+ extreme care.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>The CUPS implementation of Basic authentication does not allow access
+ through user accounts without a password. If you try to authenticate
+ using an account without a password, your access will be immediately
+ blocked.</P>
+<P>Once a valid username and password is authenticated by CUPS, any
+ additional group membership requirements are checked.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>The root user is considered by CUPS to be a member of every group.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 1in -->
+</P>
+<P>Use the <CODE>AuthType</CODE> directive to enable Basic
+ authentication:</P>
+<UL>
+<PRE>
+AuthType Basic
+</PRE>
+</UL>
+
+<!-- NEED 7in -->
+<H3><A NAME="7_5_3">Using Digest Authentication</A></H3>
+<P>Digest authentication uses users and passwords defined in the<VAR>
+ /etc/cups/passwd.md5</VAR> file to authenticate access to resources
+ such as printers and classes, and to limit access to administrative
+ functions.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Unlike Basic authentication, Digest passes the MD5 sum (basically a
+ complicated checksum) of the username and password instead of the
+ strings themselves. Also, Digest authentication does not use the UNIX
+ password file, so if an attacker does discover the original password it
+ is less likely to result in a serious security problem so long as you
+ use a different UNIX password than the corresponding Digest password.</P>
+<P>The current CUPS implementation of Digest authentication uses the
+ client's hostname or IP address for the &quot;nonce&quot; value. The nonce value
+ is an additional string added to the username and password to make
+ guessing the password more difficult. The server checks that the nonce
+ value matches the client's hostname or address and rejects the MD5 sum
+ if it doesn't. Future versions of CUPS will support Digest &quot;session&quot;
+ authentication which adds the request data to the MD5 sum, providing
+ even better authentication and security.</P>
+<P>Digest authentication does not guarantee that an attacker cannot gain
+ unauthorized access, but it is safer than Basic authentication and
+ should be used in place of Basic authentication whenever possible.<B>
+ Support for Digest authentication in web browsers is not yet
+ universally available.</B></P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 2in -->
+</P>
+<P>The <CODE>lppasswd(1)</CODE> command is used to add, change, or
+ remove accounts from the<VAR> passwd.md5</VAR> file. To add a user to
+ the default system group, type:</P>
+<UL>
+<PRE>
+<B>lppasswd -a user ENTER</B>
+Password: <B>(password) ENTER</B> [password is not echoed]
+Password again: <B>(password) ENTER</B> [password is not echoed]
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<P>Once added, a user can change his/her password by typing:</P>
+<UL>
+<PRE>
+<B>lppasswd ENTER</B>
+Old password: <B>(password) ENTER</B> [password is not echoed]
+Password: <B>(password) ENTER</B> [password is not echoed]
+Password again: <B>(password) ENTER</B> [password is not echoed]
+</PRE>
+</UL>
+
+<!-- NEED 1in -->
+<P>To remove a user from the password file, type:</P>
+<UL>
+<PRE>
+<B>lppasswd -x user ENTER</B>
+</PRE>
+</UL>
+<P>Once a valid username and password is authenticated by CUPS, any
+ additional group membership requirements are checked.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>The root user is considered by CUPS to be a member of every group.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>Use the <CODE>AuthType</CODE> directive to enable Digest
+ authentication:</P>
+<UL>
+<PRE>
+AuthType Digest
+</PRE>
+</UL>
+<H3><A NAME="7_5_4">System and Group Authentication</A></H3>
+<P>The<A HREF="#AuthClass"> <CODE>AuthClass</CODE></A> directive
+ controls the level of authentication to perform. <CODE>System</CODE>
+ and <CODE>Group</CODE> authentication extend the normal user-based
+ authentication to require membership in a UNIX group. For <CODE>System</CODE>
+ authentication each user must belong to the <CODE>sys</CODE>, <CODE>
+system</CODE>, or <CODE>root</CODE> group; the actual group depends on
+ the operating system.</P>
+<P>For <CODE>Group</CODE> authentication each user must belong to the
+ group named by the<A HREF="#AuthGroupName"> <CODE>AuthGroupName</CODE></A>
+ directive:</P>
+<UL>
+<PRE>
+&lt;Location /path&gt;
+AuthType Digest
+AuthClass Group
+AuthGroupName mygroup
+&lt;/Location&gt;
+</PRE>
+</UL>
+<P>The named group must be a valid UNIX user group, usually defined in
+ the<VAR> /etc/group</VAR> or<VAR> /etc/netgroup</VAR> files.
+ Additionally, when using Digest authentication you need to create user
+ accounts with the named group:</P>
+<UL>
+<PRE>
+<B>lppasswd -g mygroup -a user ENTER</B>
+Password: <B>(password) ENTER</B> [password is not echoed]
+Password again: <B>(password) ENTER</B> [password is not echoed]
+</PRE>
+</UL>
+
+<!-- NEW PAGE -->
+<H2><A NAME="PRINTER_ACCOUNTING">Printer Accounting</A></H2>
+<P>ESP Print Pro maintains a log of all accesses, errors, and pages that
+ are printed. The log files are normally stored in the<VAR>
+ /var/log/cups</VAR> directory. You can change this by editing the<VAR>
+ /etc/cups/cupsd.conf</VAR> configuration file.</P>
+<H3><A NAME="7_6_1">The access_log File</A></H3>
+<P>The<VAR> access_log</VAR> file lists each HTTP resource that is
+ accessed by a web browser or CUPS/IPP client. Each line is in the
+ so-called &quot;Common Log Format&quot; used by many web servers and web
+ reporting tools:</P>
+<UL>
+<PRE>
+host group user date-time \&quot;method resource version\&quot; status bytes
+
+127.0.0.1 - - [20/May/1999:19:20:29 +0000] &quot;POST /admin/ HTTP/1.1&quot; 401 0
+127.0.0.1 - mike [20/May/1999:19:20:31 +0000] &quot;POST /admin/ HTTP/1.1&quot; 200 0
+</PRE>
+</UL>
+<P>The<I> host</I> field will normally only be an IP address unless you
+ have enabled the<A HREF="#HostNameLookups"> <CODE>HostNameLookups</CODE>
+</A> directive in the<VAR> cupsd.conf</VAR> file.</P>
+<P>The<I> group</I> field always contains &quot;-&quot; in CUPS.</P>
+<P>The<I> user</I> field is the authenticated username of the requesting
+ user. If no username and password is supplied for the request then this
+ field contains &quot;-&quot;.</P>
+<P>The<I> date-time</I> field is the date and time of the request in
+ local time and is in the format:</P>
+<UL>
+<PRE>
+[DD/MON/YYYY:HH:MM:SS +ZZZZ]
+</PRE>
+</UL>
+<P>where<I> ZZZZ</I> is the timezone offset in hours and minutes from
+ Greenwich Mean Time (a.k.a. GMT a.k.a. ZULU.)</P>
+<P>The<I> method</I> field is the HTTP method used (&quot;GET&quot;, &quot;PUT&quot;,
+ &quot;POST&quot;, etc.)</P>
+<P>The<I> resource</I> field is the filename of the requested resource.</P>
+<P>The<I> version</I> field is the HTTP specification version used by
+ the client. For CUPS clients this will always be &quot;HTTP/1.1&quot;.</P>
+<P>The<I> status</I> field contains the HTTP result status of the
+ request. Usually it is &quot;200&quot;, but other HTTP status codes are possible.
+ For example, 401 is the &quot;unauthorized access&quot; status in the example
+ above.</P>
+<P>The<I> bytes</I> field contains the number of bytes in the request.
+ For POST requests the<I> bytes</I> field contains the number of bytes
+ that was received from the client.</P>
+<H3><A NAME="7_6_2">The error_log File</A></H3>
+<P>The<VAR> error_log</VAR> file lists messages from the scheduler
+ (errors, warnings, etc.):</P>
+<UL>
+<PRE>
+level date-time message
+
+I [20/May/1999:19:18:28 +0000] Job 1 queued on 'DeskJet' by 'mike'.
+I [20/May/1999:19:21:02 +0000] Job 2 queued on 'DeskJet' by 'mike'.
+I [20/May/1999:19:22:24 +0000] Job 2 was cancelled by 'mike'.
+</PRE>
+</UL>
+<P>The<I> level</I> field contains the type of message:</P>
+<UL>
+<LI><CODE>E</CODE> - An error occurred.</LI>
+<LI><CODE>W</CODE> - The server was unable to perform some action.</LI>
+<LI><CODE>I</CODE> - Informational message.</LI>
+<LI><CODE>D</CODE> - Debugging message.</LI>
+</UL>
+<P>The<I> date-time</I> field contains the date and time of when the
+ page started printing. The format of this field is identical to the<I>
+ data-time</I> field in the<VAR> access_log</VAR> file.</P>
+<P>The<I> message</I> fields contains a free-form textual message.</P>
+<H3><A NAME="7_6_3">The page_log File</A></H3>
+<P>The<VAR> page_log</VAR> file lists each page that is sent to a
+ printer. Each line contains the following information:</P>
+<UL>
+<PRE>
+printer user job-id date-time page-number num-copies job-billing
+
+DeskJet root 2 [20/May/1999:19:21:05 +0000] 1 0 acme-123
+</PRE>
+</UL>
+<P>The<I> printer</I> field contains the name of the printer that
+ printed the page. If you send a job to a printer class, this field will
+ contain the name of the printer that was assigned the job.</P>
+<P>The<I> user</I> field contains the name of the user (the IPP <CODE>
+requesting-user-name</CODE> attribute) that submitted this file for
+ printing.</P>
+<P>The<I> job-id</I> field contains the job number of the page being
+ printed. Job numbers are reset to 1 whenever the CUPS server is
+ started, so don't depend on this number being unique!</P>
+<P>The<I> date-time</I> field contains the date and time of when the
+ page started printing. The format of this field is identical to the<I>
+ data-time</I> field in the<VAR> access_log</VAR> file.</P>
+<P>The<I> page-number</I> and<I> num-pages</I> fields contain the page
+ number and number of copies being printed of that page. For printer
+ that can not produce copies on their own, the<I> num-pages</I> field
+ will always be 1.</P>
+<P>The<I> job-billing</I> field contains a copy of the <CODE>job-billing</CODE>
+ attribute provided with the IPP <CODE>create-job</CODE> or <CODE>
+print-job</CODE> requests or &quot;-&quot; if none was provided.
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="FILE_TYPING_FILTERING">File Typing and Filtering</A></H2>
+<P>CUPS provides a MIME-based file typing and filtering mechanism to
+ convert files to a printable format for each printer. On startup the
+ CUPS server reads MIME database files from the<VAR> /etc/cups</VAR>
+ directory (or a directory specified by the<A HREF="#ServerRoot"> <CODE>
+ServerRoot</CODE></A> directive) to build a file type and conversion
+ database in memory. These database files are plain ASCII text and can
+ be edited with your favorite text editor.</P>
+<P>The<VAR> mime.types</VAR> and<VAR> mime.convs</VAR> files define the
+ standard file types and filters that are available on the system.</P>
+<H3><A NAME="7_7_1">mime.types</A></H3>
+<P>The<VAR> mime.types</VAR> file defines the known file types. Each
+ line of the file starts with the MIME type and may be followed by one
+ or more file type recognition rules. For example, the <CODE>text/html</CODE>
+ file type is defined as:</P>
+<UL>
+<PRE>
+text/html       html htm \
+                printable(0,1024) + \
+                (string(0,&quot;&lt;HTML&gt;&quot;) string(0,&quot;&lt;!DOCTYPE&quot;))
+</PRE>
+</UL>
+<P>The first two rules say that any file with an extension of<VAR> .html</VAR>
+ or<VAR> .htm</VAR> is a HTML file. The third rule says that any file
+ whose first 1024 characters are printable text and starts with the
+ strings <CODE>&lt;HTML&gt;</CODE> or <CODE>&lt;!DOCTYPE</CODE> is a HTML file as
+ well.</P>
+<P>The first two rules deal solely with the name of the file being
+ typed. This is useful when the original filename is known, however for
+ print files the server doesn't have a filename to work with. The third
+ rule takes care of this possibility and automatically figures out the
+ file type based upon the contents of the file instead.</P>
+<P>The available tests are:</P>
+<UL>
+<LI><CODE>( expr )</CODE> - Parenthesis for expression grouping</LI>
+<LI><CODE>+</CODE> - Logical AND</LI>
+<LI><CODE>,</CODE> or whitespace - Logical OR</LI>
+<LI><CODE>!</CODE> - Logical NOT</LI>
+<LI><CODE>match(&quot;pattern&quot;)</CODE> - Pattern match on filename</LI>
+<LI><CODE>extension</CODE> - Pattern match on &quot;*.extension&quot;</LI>
+<LI><CODE>ascii(offset,length)</CODE> - True if bytes are valid
+ printable ASCII (CR, NL, TAB, BS, 32-126)</LI>
+<LI><CODE>printable(offset,length)</CODE> - True if bytes are printable
+ 8-bit chars (CR, NL, TAB, BS, 32-126, 160-254)</LI>
+<LI><CODE>string(offset,&quot;string&quot;)</CODE> - True if bytes are identical
+ to string</LI>
+<LI><CODE>contains(offset,range,&quot;string&quot;)</CODE> - True if the range of
+ bytes contains the string</LI>
+<LI><CODE>char(offset,value)</CODE> - True if byte is identical</LI>
+<LI><CODE>short(offset,value)</CODE> - True if 16-bit integer is
+ identical (network or &quot;big-endian&quot; byte order)</LI>
+<LI><CODE>int(offset,value)</CODE> - True if 32-bit integer is identical
+ (network or &quot;big-endian&quot; byte order)</LI>
+<LI><CODE>locale(&quot;string&quot;)</CODE> - True if current locale matches
+ string</LI>
+</UL>
+<P>All numeric values can be in decimal (123), octal (0123), or
+ hexadecimal (0x123) as desired.
+<!-- NEED 2.5in -->
+</P>
+<P>Strings can be in quotes, all by themselves, as a string of
+ hexadecimal values, or some combination:</P>
+<UL>
+<PRE>
+&quot;string&quot;
+'string'
+string
+&lt;737472696e67&gt;
+&lt;7374&gt;ring
+</PRE>
+</UL>
+<P>As shown in the <CODE>text/html</CODE> example, rules can continue on
+ multiple lines using the backslash (\) character. A more complex
+ example is the <CODE>image/jpeg</CODE> rules:</P>
+<UL>
+<PRE>
+image/jpeg      jpeg jpg jpe string(0,&lt;FFD8FF&gt;) &amp;&amp;\
+                (char(3,0xe0) char(3,0xe1) char(3,0xe2) char(3,0xe3)\
+                 char(3,0xe4) char(3,0xe5) char(3,0xe6) char(3,0xe7)\
+                 char(3,0xe8) char(3,0xe9) char(3,0xea) char(3,0xeb)\
+                 char(3,0xec) char(3,0xed) char(3,0xee) char(3,0xef))
+</PRE>
+</UL>
+<P>This rule states that any file with an extension of<VAR> .jpeg</VAR>,<VAR>
+ .jpg</VAR>, or<VAR> .jpe</VAR> is a JPEG file. In addition, any file
+ starting with the hexadecimal string <CODE>&lt;FFD8FF&gt;</CODE> (JPEG
+ Start-Of-Image) followed by a character between and including <CODE>
+0xe0</CODE> and <CODE>0xef</CODE> (JPEG APPn markers) is also a JPEG
+ file.</P>
+<H3><A NAME="7_7_2">mime.convs</A></H3>
+<P>The<VAR> mime.convs</VAR> file defines all of the filter programs
+ that are known to the system. Each line consists of:</P>
+<UL>
+<PRE>
+source destination cost program
+
+text/plain application/postscript 50 texttops
+application/vnd.cups-postscript application/vnd.cups-raster 50 pstoraster
+image/* application/vnd.cups-postscript 50 imagetops
+image/* application/vnd.cups-raster 50 imagetoraster
+</PRE>
+</UL>
+<P>The<I> source</I> field is a MIME type, optionally using a wildcard
+ for the super-type or sub-type (e.g. &quot;text/plain&quot;, &quot;image/*&quot;,
+ &quot;*/postscript&quot;).</P>
+<P>The<I> destination</I> field is a MIME type defined in the<VAR>
+ mime.types</VAR> file.</P>
+<P>The<I> cost</I> field defines a relative cost for the filtering
+ operation from 1 to 100. The cost is used to choose between two
+ different sets of filters when converting a file. For example, to
+ convert from <CODE>image/jpeg</CODE> to <CODE>
+application/vnd.cups-raster</CODE>, you could use the <CODE>imagetops</CODE>
+ and <CODE>pstoraster</CODE> filters for a total cost of 100, or the <CODE>
+imagetoraster</CODE> filter for a total cost of 50.</P>
+<P>The<I> program</I> field defines the filter program to run; the
+ special program &quot;-&quot; can be used to make two file types equivalent. The
+ program must accept the standard filter arguments and environment
+ variables described in the CUPS Interface Design Description and CUPS
+ Software Programmers Manual:</P>
+<UL>
+<PRE>
+program job user title options [filename]
+</PRE>
+</UL>
+<P>If specified, the<I> filename</I> argument defines a file to read
+ when filtering, otherwise the filter must read from the standard input.
+ All filtered output must go to the standard output.
+<!-- NEED 4in -->
+</P>
+<H3><A NAME="7_7_3">Adding Filetypes and Filters</A></H3>
+<P>Adding a new file type or filter is fairly straight-forward. Rather
+ than adding the new type and filter to the<VAR> mime.types</VAR> and<VAR>
+ mime.convs</VAR> files which are overwritten when you upgrade to a new
+ version of CUPS, you simple need to create new files with<VAR> .types</VAR>
+ and<VAR> .convs</VAR> extensions in the<VAR> /etc/cups</VAR> directory.
+ We recommend that you use the product or format name, e.g.:</P>
+<UL>
+<PRE>
+myproduct.types
+myproduct.convs
+</PRE>
+</UL>
+<P>If you are providing a filter for a common file format or printer,
+ add the company or author name:</P>
+<UL>
+<PRE>
+acme-msword.types
+acme.msword.convs
+</PRE>
+</UL>
+<P>This will help to prevent name collisions if you install many
+ different file types and filters.</P>
+<P>Once you choose the names for these files, create them using your
+ favorite text editor as described earlier in this chapter. Once you
+ have created the files, restart the <CODE>cupsd</CODE> process as
+ described earlier in<A HREF="#RESTARTING"> &quot;Restarting the CUPS Server&quot;</A>
+.</P>
+<H3><A NAME="7_7_4">Printer Drivers and PPD Files</A></H3>
+<P>Most CUPS printer drivers utilize one or more printer-specific
+ filters and a PPD file for each printer model. Printer driver filters
+ are registered via the PPD file using <CODE>cupsFilter</CODE>
+ attributes:</P>
+<UL>
+<PRE>
+*cupsFilter: &quot;application/vnd.cups-raster 0 rastertohp&quot;
+</PRE>
+</UL>
+<P>The filter is specified using the source file type only; the
+ destination file type is assumed to be <CODE>printer/name</CODE> -
+ suitable for sending to the printer.</P>
+<H3><A NAME="7_7_5">Writing Your Own Filter or Printer Driver</A></H3>
+<P>CUPS supports an unlimited number of file formats and filters, and
+ can handle any printer. If you'd like to write a filter or printer
+ driver for your favorite file format or printer, consult the CUPS
+ Software Programmers Manual for step-by-step instructions.</P>
+<H1 ALIGN="RIGHT"><A NAME="PRINTING_OTHER">7 - Printing with Other
+ Systems</A></H1>
+<P>This chapter describes how to print from client systems that use the
+ LPD, Mac OS, or Windows printing protocols.</P>
+<H2><A NAME="8_1">The Basics</A></H2>
+<P>CUPS is based on the IPP protocol, so any system that supports IPP
+ can send jobs to and receive jobs from CUPS automatically. However, not
+ all systems support IPP yet. This chapter will show you how to connect
+ these systems to your CUPS server, either to accept jobs from your
+ server for printing, or to send jobs to your server.</P>
+<H2><A NAME="8_2">Printing from LPD Clients</A></H2>
+<P>CUPS supports limited functionality for LPD-based clients. With LPD
+ you can print files to specific printers, list the queue status, and so
+ forth. However, the automatic client configuration and printer options
+ are not supported by the LPD protocol, so you must manually configure
+ each client for the printers it needs to access.</P>
+<P>The <CODE>cups-lpd(8)</CODE> program provides support for LPD
+ clients. To enable LPD support on your server, edit the<VAR>
+ /etc/inetd.conf</VAR> file and add a line reading:</P>
+<UL>
+<PRE>
+printer stream tcp nowait lp /usr/lib/cups/daemon/cups-lpd cups-lpd
+</PRE>
+</UL>
+<P>The path to the <CODE>cups-lpd</CODE> may vary depending on your
+ installation.</P>
+<P>Once you have added this line, send the <CODE>inetd(8)</CODE> process
+ a <CODE>HUP</CODE> signal or reboot the system:</P>
+<UL>
+<PRE>
+<B>killall -HUP inetd ENTER</B> [IRIX and some versions of Linux]
+<B>kill -HUP <I>pid</I> ENTER [Others]</B>
+<B>reboot ENTER [For all systems if the HUP signal fails]</B>
+</PRE>
+</UL>
+<H2><A NAME="8_3">Printing to LPD Servers</A></H2>
+<P>CUPS provides the <CODE>lpd</CODE> backend for printing to LPD-based
+ servers and printers. Use a device URI of <CODE>lpd://server/name</CODE>
+ to print to a printer on an LPD server, where <CODE>server</CODE> is
+ the hostname or IP address of the server and <CODE>name</CODE> is the
+ queue name.</P>
+<P>Microsoft Windows NT provides an LPD service under the name &quot;TCP/IP
+ Printing Services&quot;. To enable LPD printing on NT, open the &quot;Services&quot;
+ control panel, select the &quot;TCP/IP Printing Services&quot; service, and click
+ on the &quot;Start&quot; button. Any shared printer will then be available via
+ the LPD protocol.</P>
+<H2><A NAME="8_4">Printing from Mac OS Clients</A></H2>
+<P>CUPS does not provide Mac OS support directly. However, there are
+ several free and commercial software packages that do.</P>
+<H3><A NAME="8_4_1">Columbia Appletalk Package (CAP)</A></H3>
+<P>Because the CAP LaserWriter server (<CODE>lwsrv(8)</CODE>) does not
+ support specification of PPD files, we do not recommend that you use
+ CAP with CUPS. However, you can run the <CODE>lpsrv</CODE> program for
+ limited printing with the command:</P>
+<UL>
+<PRE>
+lwsrv -n &quot;<I>Name</I>&quot; -p <I>printer</I> -a /usr/lib/adicts -f /usr/lib/LW+Fonts
+</PRE>
+</UL>
+<P>where <CODE>Name</CODE> is the name you want to use when sharing the
+ printer, and <CODE>printer</CODE> is the name of the CUPS print queue.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="8_4_2">XINET KA/Spool</A></H3>
+<P>To use your system as a print server for Mac OS clients, configure
+ each printer using a <CODE>papserver(8)</CODE> in the<VAR>
+ /usr/adm/appletalk/services</VAR> file, specifying the corresponding
+ PPD file in the<VAR> /etc/cups/ppd</VAR> directory for each printer.
+ For a printer named <CODE>MyPrinter</CODE> the entry would look like:</P>
+<UL>
+<PRE>
+/usr/etc/appletalk/papserver -I -L -P /etc/cups/ppd/MyPrinter.ppd \
+&quot;Printer Description&quot; MyPrinter
+</PRE>
+</UL>
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Enter the text above on a single line without the backslash (\)
+ character.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="8_4_3">NetATalk</A></H3>
+<P>To use your system as a print server for Mac OS clients, configure
+ each printer in the<VAR> papd.conf</VAR> file, specifying the
+ corresponding PPD file in the<VAR> /etc/cups/ppd</VAR> directory for
+ each printer. For a printer named <CODE>MyPrinter</CODE> the entry
+ would look like:</P>
+<UL>
+<PRE>
+Printer Description:MyPrinter@MyServer:\
+        :pr=|/usr/bin/lp -d MyPrinter:\
+        :op=daemon:\
+        :pd=/etc/cups/ppd/MyPrinter.ppd:
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<H2><A NAME="8_5">Printing to Mac OS Servers</A></H2>
+<P>CUPS currently does not provide a backend to communicate with a Mac
+ OS server. However, you can write and install a short shell script in
+ the<VAR> /usr/lib/cups/backend</VAR> directory that sends a print file
+ using the appropriate command. The following is a short script that
+ will run the <CODE>papif</CODE> command provided with CAP.</P>
+<P>After copying this script to<VAR> /usr/lib/cups/backend/cap</VAR>,
+ specify a device URI of <CODE>cap://server/printer</CODE> to use this
+ backend with a print queue.
+<!-- NEED 8in -->
+</P>
+<UL>
+<PRE>
+<I>&quot;/usr/lib/cups/backend/cap&quot;</I>
+#!/bin/sh
+#
+# Usage: cap job user title copies options [filename]
+#
+
+# No arguments means show available devices...
+
+if test ${#argv} = 0; then
+	echo &quot;network cap \&quot;Unknown\&quot; \&quot;Mac OS Printer via CAP\&quot;&quot;
+	exit 0
+fi
+
+# Collect arguments...
+
+user=$2
+copies=$4
+
+if test ${#argv} = 5; then
+	# Get print file from stdin; copies have already been handled...
+	file=/var/tmp/$$.prn
+	copies=1
+	cat &gt; $file
+else
+	# Print file is on command-line...
+	file=$6
+fi
+
+# Create a dummy cap.printers file for this printer based
+# upon a device URI of &quot;cap://server/printer&quot;...
+
+echo $PRINTER/$DEVICE_URI | \
+	awk -F/ '{print $1 &quot;=&quot; $5 &quot;:LaserWriter@&quot; $4}' &gt; /var/tmp/$$.cap
+
+CAPPRINTERS=/var/tmp/$$.cap; export CAPPRINTERS
+
+# Send the file to the printer, once for each copy. This assumes that you
+# have properly initialized the cap.printers file...
+
+while [ $copies -gt 0 ]; do
+	papif -n $user &lt; $file
+
+        copies=`expr $copies - 1`
+done
+
+# Remove any temporary files...
+if test ${#argv} = 5; then
+	/bin/rm -f $file
+fi
+
+/bin/rm -f /var/tmp/$$.cap
+
+exit 0
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<H2><A NAME="8_6">Printing from Windows Clients</A></H2>
+<P>While CUPS does not provide Windows support directly, the free SAMBA
+ software package does. SAMBA version 2.0.6 is the first release of
+ SAMBA that supports CUPS. You can download SAMBA from:</P>
+<UL>
+<PRE>
+<A HREF="http://www.samba.org">http://www.samba.org</A>
+</PRE>
+</UL>
+<P>To configure SAMBA for CUPS, edit the<VAR> smb.conf</VAR> file and
+ replace the existing printing commands and options with the line:</P>
+<UL>
+<PRE>
+printing = cups
+printcap name = cups
+</PRE>
+</UL>
+<P>That's all there is to it! Remote users will now be able to browse
+ and print to printers on your system.</P>
+<H3><A NAME="8_6_1">Exporting Printer Drivers</A></H3>
+<P>You can optionally export printer drivers from your CUPS server using
+ the <CODE>cupsaddsmb</CODE> command and the SAMBA 2.2.0 or higher
+ software.</P>
+<P>Before you can export the printers you must download the current
+ Adobe PostScript printer drivers from the Adobe web site (<A HREF="http://www.adobe.com/">
+http://www.adobe.com/</A>). Use the free <CODE>unzip</CODE> software to
+ extract the files from the self-extracting ZIP file containing the
+ drivers; you will need the following files:</P>
+<UL>
+<PRE>
+ADFONTS.MFM
+ADOBEPS4.DRV
+ADOBEPS4.HLP
+ADOBEPS5.DLL
+ADOBEPSU.DLL
+ADOBEPSU.HLP
+DEFPRTR2.PPD
+ICONLIB.DLL
+PSMON.DLL
+</PRE>
+</UL>
+<P>Copy these files to the<VAR> /usr/share/cups/drivers</VAR> directory
+ - you may need to rename some of the files so the filenames are all
+ UPPERCASE.</P>
+<P>Next, add a <CODE>print$</CODE> share for the printer drivers to your<VAR>
+ smb.conf</VAR> file:</P>
+<UL>
+<PRE>
+[print$]
+    comment = Printer Drivers
+    path = /etc/samba/drivers
+    browseable = yes
+    guest ok = no
+    read only = yes
+    write list = root
+</PRE>
+</UL>
+<P>The directory for your printer drivers can be anywhere on the system;
+ just make sure it is writable by the users specified by the <CODE>write
+ list</CODE> directive. Also, make sure that you have SAMBA passwords
+ defined for each user in the <CODE>write list</CODE> using the <CODE>
+smbpasswd(1)</CODE> command. Otherwise you will not be able to
+ authenticate</P>
+<P>Finally, run the <CODE>cupsaddsmb</CODE> command to export the
+ printer drivers for one or more queues:</P>
+<UL>
+<PRE>
+<KBD>cupsaddsmb -U root printer1 ... printerN <I>ENTER</I></KBD>
+</PRE>
+</UL>
+<P>Running <CODE>cupsaddsmb</CODE> with the <CODE>-a</CODE> option will
+ export all printers:</P>
+<UL>
+<PRE>
+<KBD>cupsaddsmb -U root -a <I>ENTER</I></KBD>
+</PRE>
+</UL>
+<H2><A NAME="8_7">Printing to Windows Servers</A></H2>
+<P>CUPS can print to Windows servers in one of two ways. The first way
+ uses the LPD protocol on the CUPS system and the &quot;TCP/IP Printing
+ Services&quot; on the Windows system. You can find out more about this
+ configuration in the<A HREF="#LPD"> LPD</A> section earlier in this
+ chapter.</P>
+<P>The second way is through the Microsoft Server Message Block (&quot;SMB&quot;)
+ protocol. Support for this protocol is provided with the free SAMBA
+ software package. You can download SAMBA from:</P>
+<UL>
+<PRE>
+<A HREF="http://www.samba.org">http://www.samba.org</A>
+</PRE>
+</UL>
+<P>To configure CUPS for SAMBA, run the following command:</P>
+<UL>
+<PRE>
+<B>ln -s `which smbspool` /usr/lib/cups/backend/smb ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>smbspool(1)</CODE> program is provided with SAMBA starting
+ with SAMBA 2.0.6. Once you have made the link you can configure your
+ printers with one of the following device URIs:</P>
+<UL>
+<PRE>
+smb://workgroup/server/sharename
+smb://server/sharename
+smb://user:pass@workgroup/server/sharename
+smb://user:pass@server/sharename
+</PRE>
+</UL>
+<P>The <CODE>workgroup</CODE> name need only be specified if your system
+ is using a different workgroup. The <CODE>user:pass</CODE> strings are
+ required when printing to Windows NT servers or to shares with
+ passwords enabled under Windows 95 and 98.</P>
+<H1 ALIGN="RIGHT"><A NAME="LICENSE">A - Software License Agreement</A></H1>
+<H2 ALIGN="CENTER"><A NAME="9_1">Common UNIX Printing System License
+ Agreement</A></H2>
+<P ALIGN="CENTER">Copyright 1997-2002 by Easy Software Products
+<BR> 44141 AIRPORT VIEW DR STE 204
+<BR> HOLLYWOOD, MARYLAND 20636-3111 USA
+<BR>
+<BR> Voice: +1.301.373.9600
+<BR> Email:<A HREF="mailto:cups-info@cups.org"> cups-info@cups.org</A>
+<BR> WWW:<A HREF="http://www.cups.org"> http://www.cups.org</A></P>
+<H3><A NAME="9_1_1">Introduction</A></H3>
+<P>The Common UNIX Printing System<SUP>TM</SUP>, (&quot;CUPS<SUP>TM</SUP>&quot;),
+ is provided under the GNU General Public License (&quot;GPL&quot;) and GNU
+ Library General Public License (&quot;LGPL&quot;), Version 2. A copy of these
+ licenses follow this introduction.</P>
+<P>The GNU LGPL applies to the CUPS API library, located in the &quot;cups&quot;
+ subdirectory of the CUPS source distribution and in the
+ &quot;/usr/include/cups&quot; directory and &quot;libcups.a&quot;, &quot;libcups_s.a&quot;,
+ &quot;libcups.sl&quot;, or &quot;libcups.so&quot; files in the binary distributions.</P>
+<P>The GNU GPL applies to the remainder of the CUPS distribution,
+ including the &quot;pstoraster&quot; filter which is based upon GNU Ghostscript
+ 5.50 and the &quot;pdftops&quot; filter which is based upon Xpdf 0.93a.</P>
+<P>For those not familiar with the GNU GPL, the license basically allows
+ you to:</P>
+<UL>
+<LI>Use the CUPS software at no charge.</LI>
+<LI>Distribute verbatim copies of the software in source or binary form.</LI>
+<LI>Sell verbatim copies of the software for a media fee, or sell
+ support for the software.</LI>
+<LI>Distribute or sell printer drivers and filters that use CUPS so long
+ as source code is made available under the GPL.</LI>
+</UL>
+<P>What this license<B> does not</B> allow you to do is make changes or
+ add features to CUPS and then sell a binary distribution without source
+ code. You must provide source for any new drivers, changes, or
+ additions to the software, and all code must be provided under the GPL
+ or LGPL as appropriate.</P>
+<P>The GNU LGPL relaxes the &quot;link-to&quot; restriction, allowing you to
+ develop applications that use the CUPS API library under other licenses
+ and/or conditions as appropriate for your application.</P>
+<H3><A NAME="9_1_2">Trademarks</A></H3>
+<P>Easy Software Products has trademarked the Common UNIX Printing
+ System, CUPS, and CUPS logo. These names and logos may be used freely
+ in any direct port or binary distribution of CUPS. To use them in
+ derivative products, please contract Easy Software Products for written
+ permission. Our intention is to protect the value of these trademarks
+ and ensure that any derivative product meets the same high-quality
+ standards as the original.</P>
+<H3><A NAME="9_1_3">Binary Distribution Rights</A></H3>
+<P>Easy Software Products also sells rights to the CUPS source code
+ under a binary distribution license for vendors that are unable to
+ release source code for their drivers, additions, and modifications to
+ CUPS under the GNU GPL and LGPL. For information please contact us at
+ the address shown above.</P>
+<P>The Common UNIX Printing System provides a &quot;pstoraster&quot; filter that
+ utilizes the GNU GhostScript 5.50 core to convert PostScript files into
+ a stream of raster images. For binary distribution licensing of this
+ software, please contact:<BLOCKQUOTE> Miles Jones
+<BR> Director of Marketing
+<BR> Artifex Software Inc.
+<BR> 454 Las Gallinas Ave., Suite 108
+<BR> San Rafael, CA 94903 USA
+<BR> Voice: +1.415.492.9861
+<BR> Fax: +1.415.492.9862
+<BR> EMail:<A HREF="mailto:info@arsoft.com"> info@arsoft.com</A></BLOCKQUOTE>
+</P>
+<P>The &quot;pdftops&quot; filter is based on the Xpdf 0.93a software. For binary
+ distribution licensing of this software, please contact:<BLOCKQUOTE>
+ Derek B. Noonburg
+<BR> Email:<A HREF="mailto:derekn@foolabs.com"> derekn@foolabs.com</A>
+<BR> WWW:<A HREF="http://www.foolabs.com/xpdf/">
+ http://www.foolabs.com/xpdf/</A></BLOCKQUOTE></P>
+<H3><A NAME="9_1_4">Support</A></H3>
+<P>Easy Software Products sells software support for CUPS as well as a
+ commercial printing product based on CUPS called ESP Print Pro. You can
+ find out more at our web site:</P>
+<UL>
+<PRE>
+<A HREF="http://www.easysw.com">http://www.easysw.com</A>
+</PRE>
+</UL>
+
+<!-- NEW PAGE -->
+<H2><A NAME="9_2">GNU GENERAL PUBLIC LICENSE</A></H2>
+<P>Version 2, June 1991</P>
+<PRE>
+Copyright 1989, 1991 Free Software Foundation, Inc.
+59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Everyone is permitted to copy and distribute verbatim
+copies of this license document, but changing it is not allowed.
+</PRE>
+<PRE>
+
+</PRE>
+<H4>Preamble</H4>
+<P>The licenses for most software are designed to take away your freedom
+ to share and change it. By contrast, the GNU General Public License is
+ intended to guarantee your freedom to share and change free
+ software--to make sure the software is free for all its users. This
+ General Public License applies to most of the Free Software
+ Foundation's software and to any other program whose authors commit to
+ using it. (Some other Free Software Foundation software is covered by
+ the GNU Library General Public License instead.) You can apply it to
+ your programs, too.</P>
+<P>When we speak of free software, we are referring to freedom, not
+ price. Our General Public Licenses are designed to make sure that you
+ have the freedom to distribute copies of free software (and charge for
+ this service if you wish), that you receive source code or can get it
+ if you want it, that you can change the software or use pieces of it in
+ new free programs; and that you know you can do these things.</P>
+<P>To protect your rights, we need to make restrictions that forbid
+ anyone to deny you these rights or to ask you to surrender the rights.
+ These restrictions translate to certain responsibilities for you if you
+ distribute copies of the software, or if you modify it.</P>
+<P>For example, if you distribute copies of such a program, whether
+ gratis or for a fee, you must give the recipients all the rights that
+ you have. You must make sure that they, too, receive or can get the
+ source code. And you must show them these terms so they know their
+ rights.</P>
+<P>We protect your rights with two steps: (1) copyright the software,
+ and (2) offer you this license which gives you legal permission to
+ copy, distribute and/or modify the software.</P>
+<P>Also, for each author's protection and ours, we want to make certain
+ that everyone understands that there is no warranty for this free
+ software. If the software is modified by someone else and passed on, we
+ want its recipients to know that what they have is not the original, so
+ that any problems introduced by others will not reflect on the original
+ authors' reputations.</P>
+<P>Finally, any free program is threatened constantly by software
+ patents. We wish to avoid the danger that redistributors of a free
+ program will individually obtain patent licenses, in effect making the
+ program proprietary. To prevent this, we have made it clear that any
+ patent must be licensed for everyone's free use or not licensed at all.</P>
+<P>The precise terms and conditions for copying, distribution and
+ modification follow.</P>
+<H4>GNU GENERAL PUBLIC LICENSE
+<BR> TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</H4>
+<OL START="0">
+<LI>This License applies to any program or other work which contains a
+ notice placed by the copyright holder saying it may be distributed
+ under the terms of this General Public License. The &quot;Program&quot;, below,
+ refers to any such program or work, and a &quot;work based on the Program&quot;
+ means either the Program or any derivative work under copyright law:
+ that is to say, a work containing the Program or a portion of it,
+ either verbatim or with modifications and/or translated into another
+ language. (Hereinafter, translation is included without limitation in
+ the term &quot;modification&quot;.) Each licensee is addressed as &quot;you&quot;.</LI>
+<P>Activities other than copying, distribution and modification are not
+ covered by this License; they are outside its scope. The act of running
+ the Program is not restricted, and the output from the Program is
+ covered only if its contents constitute a work based on the Program
+ (independent of having been made by running the Program). Whether that
+ is true depends on what the Program does.</P>
+<LI>You may copy and distribute verbatim copies of the Program's source
+ code as you receive it, in any medium, provided that you conspicuously
+ and appropriately publish on each copy an appropriate copyright notice
+ and disclaimer of warranty; keep intact all the notices that refer to
+ this License and to the absence of any warranty; and give any other
+ recipients of the Program a copy of this License along with the
+ Program.</LI>
+<P>You may charge a fee for the physical act of transferring a copy, and
+ you may at your option offer warranty protection in exchange for a fee.</P>
+<LI>You may modify your copy or copies of the Program or any portion of
+ it, thus forming a work based on the Program, and copy and distribute
+ such modifications or work under the terms of Section 1 above, provided
+ that you also meet all of these conditions:
+<OL TYPE="a">
+<LI>You must cause the modified files to carry prominent notices stating
+ that you changed the files and the date of any change.</LI>
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+ version, but may differ in detail to address new problems or concerns.</P>
+<P>Each version is given a distinguishing version number. If the Library
+ specifies a version number of this License which applies to it and &quot;any
+ later version&quot;, you have the option of following the terms and
+ conditions either of that version or of any later version published by
+ the Free Software Foundation. If the Library does not specify a license
+ version number, you may choose any version ever published by the Free
+ Software Foundation.</P>
+<P><STRONG>14.</STRONG> If you wish to incorporate parts of the Library
+ into other free programs whose distribution conditions are incompatible
+ with these, write to the author to ask for permission. For software
+ which is copyrighted by the Free Software Foundation, write to the Free
+ Software Foundation; we sometimes make exceptions for this. Our
+ decision will be guided by the two goals of preserving the free status
+ of all derivatives of our free software and of promoting the sharing
+ and reuse of software generally.</P>
+<P><STRONG>NO WARRANTY</STRONG></P>
+<P><STRONG>15.</STRONG> BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE,
+ THERE IS NO WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY
+ APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+ HOLDERS AND/OR OTHER PARTIES PROVIDE THE LIBRARY &quot;AS IS&quot; WITHOUT
+ WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
+ OF THE LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU
+ ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.</P>
+<P><STRONG>16.</STRONG> IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR
+ AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO
+ MAY MODIFY AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE
+ LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL
+ OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
+ LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
+ RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
+ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
+ SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ DAMAGES.</P>
+<H4>END OF TERMS AND CONDITIONS</H4>
+<H1 ALIGN="RIGHT"><A NAME="COMMON_NETWORK">B - Common Network Settings</A>
+</H1>
+<P>This appendix covers many of the popular TCP/IP network interfaces
+ and printer servers available on the market today.</P>
+<H2><A NAME="10_1">Configuring a Network Interface</A></H2>
+<P>When you first install a network printer or print server on your LAN,
+ you need to set the Internet Protocol (&quot;IP&quot;) address. On most
+ higher-end &quot;workgroup&quot; printers, you can set the address through the
+ printer control panel. However, in most cases you will want to assign
+ the addresses remotely from your workstation. This makes administration
+ a bit easier and avoids assigning duplicate addresses accidentally.</P>
+<P>To setup your printer or print server for remote address assignment,
+ you'll need the Ethernet Media Access Control (&quot;MAC&quot;) address, also
+ sometimes called a node address, and the IP address you want to use for
+ the device. The Ethernet MAC address can often be found on the printer
+ test page or bottom of the print server.
+<!-- NEED 3in -->
+</P>
+<H3><A NAME="10_1_1">Configuring the IP Address Using ARP</A></H3>
+<P>The easiest way to set the IP address of a network device is to use
+ the <CODE>arp(8)</CODE> command. The <CODE>arp</CODE> sends an Address
+ Resolution Protocol (&quot;ARP&quot;) packet to the specified Ethernet MAC
+ address, setting the network device's IP address:</P>
+<UL>
+<PRE>
+<B>arp -s ip-address ethernet-address ENTER</B>
+<B>arp -s host.domain.com 08:00:69:00:12:34 ENTER</B>
+<B>arp -s 192.0.2.2 08:00:69:00:12:34 ENTER</B>
+</PRE>
+</UL>
+<H3><A NAME="10_1_2">Configuring the IP Address Using RARP</A></H3>
+<P>The most flexible way to remotely assign IP addresses under UNIX is
+ through the Reverse Address Resolution Protocol (&quot;RARP&quot;). RARP allows a
+ network device to request an IP address using its Ethernet MAC address,
+ and one or more RARP servers on the network will respond with an ARP
+ packet with the IP address the device can use.</P>
+<P>RARP should be used when you have to manage many printers or print
+ servers, or when you have a network device that does not remember its
+ IP address after a power cycle. If you just have a single printer or
+ print server, the <CODE>arp</CODE> command is the way to go.</P>
+<P>Some UNIX operating systems use a program called <CODE>rarpd(8)</CODE>
+ to manage RARP. Others, like Linux, support this protocol in the
+ kernel. For systems that provide the <CODE>rarpd</CODE> program you
+ will need to start it before RARP lookups will work:</P>
+<UL>
+<PRE>
+<B>rarpd ENTER</B>
+</PRE>
+</UL>
+<P>Under IRIX you can enable this functionality by default using:</P>
+<UL>
+<PRE>
+<B>chkconfig rarpd on ENTER</B>
+</PRE>
+</UL>
+<P>Both the <CODE>rarpd</CODE> program and kernel RARP support read a
+ list of Ethernet and IP addresses from the file<VAR> /etc/ethers</VAR>.
+ Each line contains the Ethernet address (colon delimited) followed by
+ an IP address or hostname like:</P>
+<UL>
+<PRE>
+08:00:69:00:12:34 myprinter.mydomain.com
+08:00:69:00:12:34 192.0.2.2
+</PRE>
+</UL>
+<P>Add a line to this file and cycle the power on the printer or print
+ server to set its address.
+<!-- NEED 2in -->
+</P>
+<H3><A NAME="10_1_3">Configuring the IP Address Using BOOTP</A></H3>
+<P>The BOOTP protocol is used when you need to provide additional
+ information such as the location of a configuration file to the network
+ interface. Using the standard <CODE>bootpd(8)</CODE> program supplied
+ with UNIX you simply need to add a line to the<VAR> /etc/bootptab</VAR>
+ file; for IRIX:</P>
+<UL>
+<PRE>
+myprinter 08:00:69:00:12:34 192.0.2.2 <VAR>myprinter.boot</VAR>
+</PRE>
+</UL>
+
+<!-- NEED 1in -->
+<P>Newer versions of <CODE>bootpd</CODE> use a different format:</P>
+<UL>
+<PRE>
+myprinter:ha=080069001234:ip=192.0.2.2:<VAR>t144=myprinter.boot</VAR>
+</PRE>
+</UL>
+<P>The<VAR> myprinter.boot</VAR> file resides in the<VAR>
+ /usr/local/boot</VAR> directory by default. If you do not need to
+ provide a boot file you may leave the last part of the line blank.
+<!-- NEED 2in -->
+
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Some versions of UNIX do not enable the BOOTP service by default. The<VAR>
+ /etc/inetd.conf</VAR> usually contains a line for the BOOTP service
+ that can be uncommented if needed.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="10_2">Verifying the Printer Connection</A></H2>
+<P>To test that the IP address has been successfully assigned and that
+ the printer is properly connected to your LAN, type:</P>
+<UL>
+<PRE>
+<B>ping ip-address ENTER</B>
+</PRE>
+</UL>
+<P>If the connection is working properly you will see something like:</P>
+<UL>
+<PRE>
+<B>ping myprinter ENTER</B>
+PING myprinter (192.0.2.2): 56 data bytes
+64 bytes from 192.0.2.2: icmp_seq=0 ttl=15 time=5 ms
+64 bytes from 192.0.2.2: icmp_seq=1 ttl=15 time=3 ms
+64 bytes from 192.0.2.2: icmp_seq=2 ttl=15 time=3 ms
+64 bytes from 192.0.2.2: icmp_seq=3 ttl=15 time=3 ms
+</PRE>
+</UL>
+<P>If not, verify that the printer or print server is connected to the
+ LAN, it is powered on, the LAN cabling is good, and the IP address is
+ set correctly. You can usually see the current IP address and network
+ status by printing a configuration or test page on the device.
+<!-- NEED 4in -->
+</P>
+<H2><A NAME="10_3">Common Network Interface Settings</A></H2>
+<P>Once you have set the IP address you can access the printer or print
+ server using the <CODE>ipp</CODE>, <CODE>lpd</CODE>, or <CODE>socket</CODE>
+ backends. The following is a list of common network interfaces and
+ printer servers and the settings you should use with CUPS:
+<CENTER>
+<TABLE BORDER="1">
+<TR ALIGN="LEFT" VALIGN="TOP"><TH>Model/Manufacturer</TH><TH>Device
+ URI(s)</TH></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Apple LaserWriter</TD><TD>lpd://<I>
+address</I>/PASSTHRU</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Axis w/o IPP
+<BR><A HREF="#AXIS"> (see directions)</A></TD><TD>socket://<I>address</I>
+:9100
+<BR> socket://<I>address</I>:9101
+<BR> socket://<I>address</I>:9102</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Axis w/IPP</TD><TD>ipp://<I>address</I>
+/LPT1
+<BR> ipp://<I>address</I>/LPT2
+<BR> ipp://<I>address</I>/COM1</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Castelle LANpress<SUP>TM</SUP></TD><TD>
+lpd://<I>address</I>/pr1
+<BR> lpd://<I>address</I>/pr2
+<BR> lpd://<I>address</I>/pr3</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>DPI NETPrint</TD><TD>lpd://<I>address</I>
+/pr1
+<BR> lpd://<I>address</I>/pr2
+<BR> lpd://<I>address</I>/pr3</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>EFI&reg; Fiery&reg; RIP</TD><TD>lpd://<I>
+address</I>/print</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>EPSON&reg; Multiprotocol Ethernet
+ Interface Board</TD><TD>socket://<I>address</I></TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Extended System ExtendNET</TD><TD>
+lpd://<I>address</I>/pr1
+<BR> lpd://<I>address</I>/pr2
+<BR> lpd://<I>address</I>/pr3</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Hewlett Packard JetDirect w/o IPP</TD><TD>
+socket://<I>address</I>:9100
+<BR> socket://<I>address</I>:9101
+<BR> socket://<I>address</I>:9102</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Hewlett Packard JetDirect w/IPP</TD><TD>
+ipp://<I>address</I>/ipp
+<BR> ipp://<I>address</I>/ipp/port1
+<BR> ipp://<I>address</I>/ipp/port2
+<BR> ipp://<I>address</I>/ipp/port3</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Intel&reg; NetportExpress XL, PRO/100</TD><TD>
+lpd://<I>address</I>/LPT1_PASSTHRU
+<BR> lpd://<I>address</I>/LPT2_PASSTHRU
+<BR> lpd://<I>address</I>/COM1_PASSTHRU</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Lexmark<SUP>TM</SUP> MarkNet</TD><TD>
+lpd://<I>address</I>/ps</TD></TR>
+
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Linksys EtherFast&reg;
+<BR><A HREF="#LINKSYS"> (see directions)</A></TD><TD>socket://<I>address</I>
+:4010
+<BR> socket://<I>address</I>:4020
+<BR> socket://<I>address</I>:4030</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Kodak&reg;</TD><TD>lpd://<I>address</I>/ps</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>QMS&reg; CrownNet<SUP>TM</SUP></TD><TD>
+lpd://<I>address</I>/ps</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>Tektronix&reg; PhaserShare<SUP>TM</SUP></TD><TD>
+socket://<I>address</I>:9100</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>XEROX&reg; 4512 NIC</TD><TD>lpd://<I>
+address</I>/PORT1</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>XEROX&reg; XNIC</TD><TD>lpd://<I>address</I>
+/PASSTHRU</TD></TR>
+<TR ALIGN="LEFT" VALIGN="TOP"><TD>XEROX&reg; (most others)</TD><TD>socket://<I>
+address</I>:5503</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="AXIS">Configuring Axis Print Servers</A></H2>
+<P>The Axis print servers can be configured using ARP, RARP, or BOOTP.
+ However, on models that do not provide IPP support an additional step
+ must be performed to configure the TCP/IP portion of the print server
+ for use with CUPS.
+<!-- NEED 3in -->
+</P>
+<P>Each print server contains a configuration file named<VAR> config</VAR>
+ that contains a list of network parameters used by the server. To
+ modify this file you must first download it from the print server using
+ the <CODE>ftp(1)</CODE> program:</P>
+<UL>
+<PRE>
+<B>ftp ip-address ENTER</B>
+Connected to ip-address.
+220 Axis NPS ### FTP Printer Server V#.## MON DD YEAR ready.
+ftp&gt; <B>user root ENTER</B>
+331 User name ok, need password
+Password: <B>pass ENTER</B> <I>(this is not echoed)</I>
+230 User logged in
+ftp&gt; <B>get config ENTER</B>
+local: config remote: config
+200 PORT command successful.
+150 Opening data connection for config (192,0,2,2),
+(mode ascii).
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp&gt; <B>quit ENTER</B>
+221 Goodbye.
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<P>Next, edit the file with your favorite text editor and locate the
+ lines beginning with:</P>
+<UL>
+<PRE>
+RTN_OPT.     : YES
+RTEL_PR1.    : 0
+RTEL_PR2.    : 0
+RTEL_PR3.    : 0
+RTEL_PR4.    : 0
+RTEL_PR5.    : 0
+RTEL_PR6.    : 0
+RTEL_PR7.    : 0
+RTEL_PR8.    : 0
+</PRE>
+</UL>
+
+<!-- NEED 1in -->
+ Change the <CODE>RTN_OPT</CODE> line to read:
+<UL>
+<PRE>
+RTN_OPT.     : <B>NO</B>
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<P>This disables the Reverse TELNET protocol and enables the standard
+ TELNET protocol on the print server. Next, assign a port number for
+ each parallel and serial port on the server as follows:</P>
+<UL>
+<PRE>
+RTEL_PR1.    : <B>9100</B>
+RTEL_PR2.    : <B>9101</B>
+RTEL_PR3.    : <B>9102</B>
+RTEL_PR4.    : <B>9103</B>
+RTEL_PR5.    : <B>9104</B>
+RTEL_PR6.    : <B>9105</B>
+RTEL_PR7.    : <B>9106</B>
+RTEL_PR8.    : <B>9107</B>
+</PRE>
+</UL>
+
+<!-- NEED 4in -->
+<P>This essentially makes the Axis print server look like a Hewlett
+ Packard JetDirect EX print server. Save the file and then upload the
+ new<VAR> config</VAR> file using the <CODE>ftp</CODE> command:</P>
+<UL>
+<PRE>
+<B>ftp ip-address ENTER</B>
+Connected to ip-address.
+220 Axis NPS ### FTP Printer Server V#.## MON DD YEAR ready.
+ftp&gt; <B>user root ENTER</B>
+331 User name ok, need password
+Password: <B>pass ENTER</B> <I>(this is not echoed)</I>
+230 User logged in
+ftp&gt; <B>put config CONFIG ENTER</B>
+local: config remote: CONFIG
+200 PORT command successful.
+150 Opening data connection for config (192,0,2,2), (mode ascii).
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp&gt; <B>get hardreset ENTER</B>
+local: hardreset remote: hardreset
+200 PORT command successful.
+421 Axis NPS ### hard reset, closing connection.
+ftp&gt; <B>quit ENTER</B>
+221 Goodbye.
+</PRE>
+</UL>
+<P>Your Axis print server is now ready for use!</P>
+<H2><A NAME="LINKSYS">Configuring Linksys Print Servers</A></H2>
+<P>The Linksys print servers can be configured using ARP, RARP, or
+ BOOTP. Like older Axis print servers, an additional step must be
+ performed to configure the TCP/IP portion of the print server for use
+ with CUPS.
+<!-- NEED 3in -->
+</P>
+<P>Each print server contains a configuration file named<VAR> CONFIG</VAR>
+ that contains a list of network parameters used by the server. To
+ modify this file you must first download it from the print server using
+ the <CODE>ftp(1)</CODE> program:</P>
+<UL>
+<PRE>
+<B>ftp -n ip-address ENTER</B>
+Connected to ip-address.
+220 Print Server Ready.
+Remote system type is Print.
+ftp&gt; <B>get CONFIG ENTER</B>
+local: CONFIG remote: CONFIG
+200 Command OK.
+150 Open ASCII Mode Connection.
+WARNING! 68 bare linefeeds received in ASCII mode
+File may not have transferred correctly.
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp&gt; <B>quit ENTER</B>
+221 Goodbye.
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<P>Next, edit the file with your favorite text editor and locate the
+ lines beginning with:</P>
+<UL>
+<PRE>
+0100 L1_PROUT:P1
+0120 L2_PROUT:P1
+0140 L3_PROUT:P1
+</PRE>
+</UL>
+<P>Change the port number for each parallel and serial port on the
+ server as follows:</P>
+<UL>
+<PRE>
+0100 L1_PROUT:<B>P1</B>
+0120 L2_PROUT:<B>P2</B>
+0140 L3_PROUT:<B>P3</B>
+</PRE>
+</UL>
+
+<!-- NEED 4in -->
+<P>This maps each virtual printer with a physical port. Save the file
+ and then upload the new<VAR> CONFIG</VAR> file using the <CODE>ftp</CODE>
+ command:</P>
+<UL>
+<PRE>
+<B>ftp -n ip-address ENTER</B>
+Connected to ip-address.
+220 Print Server Ready.
+Remote system type is Print.
+ftp&gt; <B>put CONFIG ENTER</B>
+local: CONFIG remote: CONFIG
+200 Command OK.
+150 Open ASCII Mode Connection.
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp&gt; <B>quit ENTER</B>
+221 Goodbye.
+</PRE>
+</UL>
+<P>Your Linksys print server is now ready for use!</P>
+<H1 ALIGN="RIGHT"><A NAME="PRINTER_DRIVERS">C - Printer Drivers</A></H1>
+<P>This appendix lists the printer drivers that are provided with CUPS.</P>
+<H2><A NAME="11_1">Printer Drivers</A></H2>
+<P>CUPS includes the following printer drivers:</P>
+<UL>
+<LI><A HREF="#EPSON9">EPSON 9-pin Dot Matrix</A>,<VAR> epson9.ppd</VAR></LI>
+<LI><A HREF="#EPSON24">EPSON 24-pin Dot Matrix</A>,<VAR> epson24.ppd</VAR>
+</LI>
+<LI><A HREF="#STCOLOR">EPSON Stylus Color</A>,<VAR> stcolor.ppd</VAR></LI>
+<LI><A HREF="#STPHOTO">EPSON Stylus Photo</A>,<VAR> stphoto.ppd</VAR></LI>
+<LI><A HREF="#DESKJET">HP DeskJet</A>,<VAR> deskjet.ppd</VAR></LI>
+<LI><A HREF="#LASERJET">HP LaserJet</A>,<VAR> laserjet.ppd</VAR></LI>
+</UL>
+<H2><A NAME="EPSON9">EPSON 9-pin Dot Matrix</A></H2>
+<P>The EPSON 9-pin Dot Matrix driver (<VAR>epson9.ppd</VAR>) supports
+ 9-pin dot matrix printers that implement the ESC/P command set. It
+ provides 60x72, 120x72, and 240x72 DPI output in black only.</P>
+<H2><A NAME="EPSON24">EPSON 24-pin Dot Matrix</A></H2>
+<P>The EPSON 24-pin Dot Matrix driver (<VAR>epson9.ppd</VAR>) supports
+ 24-pin dot matrix printers that implement the ESC/P command set. It
+ provides 120x180, 180x180, 360x180, and 360x360 DPI output in black
+ only.</P>
+<H2><A NAME="STCOLOR">EPSON Stylus Color</A></H2>
+<P>The EPSON Stylus Color driver (<VAR>stcolor.ppd</VAR>) supports EPSON
+ Stylus Color printers that implement the ESC/P2 command set. It
+ provides 180, 360, and 720 DPI output in black and color (CMYK).</P>
+<H2><A NAME="STPHOTO">EPSON Stylus Photo</A></H2>
+<P>The EPSON Stylus Photo driver (<VAR>stphoto.ppd</VAR>) supports EPSON
+ Stylus Photo printers that implement the ESC/P2 command set. It
+ provides 180, 360, and 720 DPI output in black and color (CMYKcm).</P>
+<H2><A NAME="DESKJET">HP DeskJet</A></H2>
+<P>The HP DeskJet driver (<VAR>deskjet.ppd</VAR>) supports HP DeskJet
+ printers that implement the PCL command set. It provides 150, 300, and
+ 600 DPI output in black and color (CMYK).</P>
+<P>The DeskJet printers that implement the HP-PPA command set (720C,
+ 722C, 820C, and 1100C) are<B> not</B> supported due to a complete lack
+ of documentation and support from Hewlett Packard.</P>
+<P>The duplexer provided with the HP DeskJet 900 series printers is also
+ not supported for similar reasons.</P>
+<H2><A NAME="LASERJET">HP LaserJet</A></H2>
+<P>The HP LaserJet driver (<VAR>laserjet.ppd</VAR>) supports HP LaserJet
+ printers that implement the PCL command set. It provides 150, 300, and
+ 600 DPI output in black only and supports the duplexer if installed.</P>
+<P>LaserJet printers that do not implement PCL (3100, 3150) are not
+ supported due to a complete lack of documentation and support from
+ Hewlett Packard.</P>
+<H1 ALIGN="RIGHT"><A NAME="FILES">D - List of Files</A></H1>
+<P>This appendix lists the files and directories that are installed for
+ the Common UNIX Printing System.
+<CENTER>
+<TABLE BORDER="1" WIDTH="80%">
+<TR VALIGN="TOP"><TH>Pathname</TH><TH>Description</TH></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/certs/</TD><TD>The location of
+ authentication certificate files for local HTTP clients.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/classes.conf</TD><TD>The printer classes
+ configuration file for the scheduler.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/cupsd.conf</TD><TD>The scheduler
+ configuration file.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/interfaces/</TD><TD>The location of
+ System V interface scripts for printers.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/mime.convs</TD><TD>The list of standard
+ file filters included with ESP Print Pro.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/mime.types</TD><TD>The list of recognized
+ file types for ESP Print Pro.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/ppd/</TD><TD>The location of PostScript
+ Printer Description (&quot;PPD&quot;) files for printers.</TD></TR>
+<TR VALIGN="TOP"><TD>/etc/cups/printers.conf</TD><TD>The printer
+ configuration file for the scheduler.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/cancel</TD><TD>The System V cancel job(s)
+ command.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/disable</TD><TD>The System V disable
+ printer command.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/enable</TD><TD>The System V enable printer
+ command.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lp</TD><TD>The System V print command.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lpoptions</TD><TD>Sets user-defined
+ printing options and defaults.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lppasswd</TD><TD>Adds, changes, or removes
+ Digest password accounts.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lpq</TD><TD>The Berkeley status command.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lpr</TD><TD>The Berkeley print command.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lprm</TD><TD>The Berkeley cancel job(s)
+ command.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/bin/lpstat</TD><TD>The System V status
+ command.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/include/cups/</TD><TD>CUPS API header files.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/lib32/libcups.a
+<BR> /usr/lib32/libcupsimage.a</TD><TD>Static libraries (IRIX 6.5)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/libcups.a
+<BR> /usr/lib/libcupsimage.a</TD><TD>Static libraries (all others)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/libcups.sl.2
+<BR> /usr/lib/libcupsimage.sl.2</TD><TD>Shared libraries (HP-UX)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib32/libcups.so.2
+<BR> /usr/lib32/libcupsimage.so.2</TD><TD>Shared libraries (IRIX 6.5)</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/lib/libcups.so.2
+<BR> /usr/lib/libcupsimage.so.2</TD><TD>Shared libraries (all others)</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/lib/cups/backend/</TD><TD>Backends for various
+ types of printer connections.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/cups/cgi-bin/</TD><TD>CGI programs for the
+ scheduler.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/cups/daemon/</TD><TD>Daemons for polling
+ and LPD support.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/cups/filter/</TD><TD>Filters for various
+ types of files.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/locale/</TD><TD>The location of
+ language-specific message files. (System V)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/lib/nls/msg/</TD><TD>The location of
+ language-specific message files. (Compaq Tru64 UNIX)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/locale/</TD><TD>The location of
+ language-specific message files. (Linux, *BSD)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/accept</TD><TD>The accept-jobs command.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/cupsd</TD><TD>The CUPS print scheduler.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/lpadmin</TD><TD>The System V printer
+ administration tool.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/lpc</TD><TD>The Berkeley printer
+ administration tool.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/lpinfo</TD><TD>The get-devices and
+ get-ppds command.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/lpmove</TD><TD>The move-jobs command.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/sbin/reject</TD><TD>The reject-jobs command.</TD>
+</TR>
+<TR VALIGN="TOP"><TD>/usr/share/catman/a_man/
+<BR> /usr/share/catman/u_man/</TD><TD>Man pages (IRIX)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/man/</TD><TD>Man pages (Compaq Tru64
+ UNIX, HP-UX, Solaris)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/man/</TD><TD>Man pages (all others)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/data/</TD><TD>The location of
+ filter data files.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/data/testprint.ps</TD><TD>The
+ PostScript test page file.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/fonts/</TD><TD>The location of
+ PostScript fonts for the PostScript RIP.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/model/</TD><TD>The location of
+ PostScript Printer Description (&quot;PPD&quot;) files and interface scripts that
+ may be used to setup a printer queue.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/pstoraster/</TD><TD>Other
+ PostScript RIP initialization files.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/pstoraster/Fontmap</TD><TD>The font
+ mapping file (converts filenames to fontnames)</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/cups/templates/</TD><TD>The location of
+ HTML template files for the web interfaces.</TD></TR>
+<TR VALIGN="TOP"><TD>/usr/share/doc/cups/</TD><TD>Documentation and web
+ page data for the scheduler.</TD></TR>
+<TR VALIGN="TOP"><TD>/var/log/cups/</TD><TD>The location of scheduler
+ log files.</TD></TR>
+<TR VALIGN="TOP"><TD>/var/spool/cups/</TD><TD>The location of print
+ files waiting to be printed.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H1 ALIGN="RIGHT"><A NAME="FAQ">E - Troubleshooting Common Problems</A></H1>
+<P>This appendix covers some of the common problems first-time users
+ encounter when installing and configuring CUPS.</P>
+<P>Commercial support for CUPS is available from Easy Software Products.
+ For more information please contact us at:</P>
+<UL>
+<LI>WWW:<A HREF="http://www.easysw.com"> <CODE>http://www.easysw.com</CODE>
+</A></LI>
+<LI>EMail:<A HREF="mailto:info@easysw.com"> info@easysw.com</A></LI>
+<LI>Telephone (M-F, 9-5 EST): +1.301.373.9600</LI>
+</UL>
+<H2><A NAME="13_1">My Applications Don't See the Available Printers</A></H2>
+<P>Many applications read the<VAR> /etc/printcap</VAR> file to get a
+ list of available printers.</P>
+<P>The default CUPS configuration does not create the<VAR> /etc/printcap</VAR>
+ file automatically. To enable automatic creation and updating of this
+ file, use the<A HREF="#Printcap"> <CODE>Printcap</CODE></A> directive
+ described in<A HREF="#PRINTING_MANAGEMENT"> Chapter 6, &quot;Printing System
+ Management&quot;</A>.</P>
+<H2><A NAME="13_2">CUPS Doesn't Recognize My Username or Password!</A></H2>
+<P>CUPS will ask you for a UNIX username and password when you perform
+ printer administration tasks remotely or via a web browser. The default
+ configuration requires that you use the <CODE>root</CODE> username and
+ the corresponding password to authenticate the request.</P>
+<P>CUPS does not allow you to authenticate an administration request
+ with an account that has no password for security reasons. If you do
+ not have a password on your <CODE>root</CODE> account then you won't be
+ able to add printers remotely or via the web interface!
+<!-- NEED 2in -->
+</P>
+<P>To disable password authentication you need to edit the<VAR>
+ /etc/cups/cupsd.conf</VAR> file and comment out the lines reading:</P>
+<UL>
+<PRE>
+AuthType Basic
+AuthClass System
+</PRE>
+</UL>
+ for the<VAR> /admin</VAR> location. Then restart the CUPS server as
+ described in<A HREF="#PRINTING_MANAGEMENT"> Chapter 6, &quot;Printing System
+ Management&quot;</A>.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Disabling password checks will allow any local user to change your
+ printer and class configuration, but remote administration from another
+ machine will still not be allowed.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+<H2><A NAME="ALLOW_REMOTE">I Can't Do Administration Tasks from Another
+ Machine!</A></H2>
+<P>The default CUPS configuration limits administration to the local
+ machine. To open up access, edit the<VAR> /etc/cups/cupsd.conf</VAR>
+ and comment out the lines reading:</P>
+<UL>
+<PRE>
+Order deny,allow
+Deny from all
+Allow from 127.0.0.1
+</PRE>
+</UL>
+ for the<VAR> /admin</VAR> location. Then restart the CUPS server as
+ described in<A HREF="#PRINTING_MANAGEMENT"> Chapter 6, &quot;Printing System
+ Management&quot;</A>.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>Allowing administration access from all hosts is a potential security
+ risk. Please read<A HREF="#PRINTING_SECURITY"> Chapter 6, &quot;Printing
+ System Management&quot;</A> for a description of these risks and ways to
+ minimize them.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 4in -->
+<H2><A NAME="13_4">I Can't Do Administration Tasks from My Web Browser!</A>
+</H2>
+<P>This problem is usually caused by:</P>
+<OL>
+<LI>not specifying the correct password for the root account.</LI>
+<LI>accessing the CUPS server using the hostname or IP address of the
+ server without enabling remote access for administration functions.
+ This can be corrected by following the instructions in the<A HREF="#ALLOW_REMOTE">
+ &quot;I Can't Do Administration Tasks from Another Machine!&quot;</A> section
+ earlier in this appendix.</LI>
+<LI>not setting a password on the root account. CUPS will not
+ authenticate a user account that does not have a password for security
+ reasons.</LI>
+<LI>authenticating using an account other than root, but the account you
+ are using is not a member of the system group.</LI>
+<LI>configuring CUPS to use Digest authentication, but your web browser
+ does not support Digest authentication.</LI>
+</OL>
+<H2><A NAME="13_5">Connection Refused Messages</A></H2>
+<P>Under normal circumstances, &quot;connection refused&quot; messages for a
+ networked printer should be expected from time to time. Most network
+ interfaces only allow a single connection to be made at any given time
+ (one job at a time) and will refuse access to all other systems while
+ the first connection is active. CUPS automatically retries the
+ connection once every 30 seconds.</P>
+<P>If the problem persists and you are unable to print any jobs to the
+ printer, verify that another machine is not maintaining a connection
+ with the printer, and that you have selected the proper port or printer
+ name for the printer.</P>
+<P>Also, most external print servers will refuse connections if the
+ connected printer is turned off or is off-line. Verify that the
+ affected printer is turned on and is online.</P>
+<H2><A NAME="13_6">Write Error Messages</A></H2>
+<P>If you get &quot;write error&quot; messages on a printer queue the printer
+ interface (usually a Hewlett Packard JetDirect interface) has timed out
+ and reset the network connection from your workstation.</P>
+<P>The error is caused by that startup delay between the initial setup
+ of the printer or plotter and the first page of print data that is
+ sent.
+<!-- NEED 3in -->
+</P>
+<P>To correct the problem, change the idle timeout on the interface to
+ at least 180 seconds or 3 minutes. To change the timeout on a Hewlett
+ Packard JetDirect interface, type:</P>
+<UL>
+<PRE>
+<B>telnet ip-address ENTER</B>
+
+Trying ip-address...
+Connected to ip-address.
+Escape character is `^]'.
+
+Please type [Return] two times, to initialize telnet configuration
+For HELP type &quot;?&quot;
+&gt; <B>idle-timeout: 180 ENTER</B>
+&gt; <B>quit ENTER</B>
+</PRE>
+</UL>
+</BODY>
+</HTML>
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+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SAM-1.1.13">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Administrators Manual</TITLE>
+</HEAD>
+<BODY>
+
+<H1 ALIGN="RIGHT">Preface</H1>
+
+<P>This software administrators manual provides printer administration
+information for the Common UNIX Printing System<SUP>TM</SUP>
+("CUPS<SUP>TM</SUP>"), version 1.1.13.
+
+<EMBED SRC="system-overview.shtml">
+
+<!-- NEED 3in -->
+<H2>Document Overview</H2>
+
+<P>This software administrators manual is organized into the following sections:</P>
+
+<UL>
+	<LI><A HREF="#OVERVIEW">1 - Printing System Overview</A>
+	<LI><A HREF="#BUILDING_INSTALLING">2 - Building and Installing CUPS</A>
+	<LI><A HREF="#MANAGING_PRINTERS">3 - Managing Printers</A>
+	<LI><A HREF="#PRINTER_CLASSES">4 - Printer Classes</A>
+	<LI><A HREF="#CLIENT_SETUP">5 - Client Setup</A>
+	<LI><A HREF="#PRINTING_MANAGEMENT">6 - Printing System Management</A>
+	<LI><A HREF="#PRINTING_OTHER">7 - Printing with Other Systems</A>
+	<LI><A HREF="#LICENSE">A - Software License Agreement</A>
+	<LI><A HREF="#COMMON_NETWORK">B - Common Network Settings</A>
+	<LI><A HREF="#PRINTER_DRIVERS">C - Printer Drivers</A>
+	<LI><A HREF="#FILES">D - List of Files</A>
+	<LI><A HREF="#FAQ">E - Troubleshooting Common Problems</A>
+</UL>
+
+<H2>Notation Conventions</H2>
+
+<P>Various font and syntax conventions are used in this guide. Examples and
+their meanings and uses are explained below:
+
+<CENTER><TABLE WIDTH="80%">
+<TR>
+	<TH>Example</TH>
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+	<TH>Description</TH>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD><CODE>lpstat</CODE><BR>
+	<CODE>lpstat(1)</CODE></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>The names of commands; the first mention of a command or
+	function in a chapter is followed by a manual page section
+	number.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD><VAR>/var</VAR><BR>
+	<VAR>/usr/share/cups/data/testprint.ps</VAR></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>File and directory names.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD NOWRAP><TT>Request ID is Printer-123</TT></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Screen output.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD NOWRAP><KBD>lp -d printer filename ENTER</KBD></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Literal user input; special keys like <KBD>ENTER</B></KBD> are
+	in ALL CAPS.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD>12.3</TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Numbers in the text are written using the period (.) to indicate
+	the decimal point.</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 3in -->
+<H2>Abbreviations</H2>
+
+The following abbreviations are used throughout this manual:
+
+<UL>
+<DL>
+
+	<DT>kb
+	<DD>Kilobytes, or 1024 bytes<BR>&nbsp;
+
+	<DT>Mb
+	<DD>Megabytes, or 1048576 bytes<BR>&nbsp;
+
+	<DT>Gb
+	<DD>Gigabytes, or 1073741824 bytes<BR>&nbsp;
+
+</DL>
+</UL>
+
+<H2>Other References</H2>
+
+<UL>
+<DL>
+
+	<DT>CUPS Software Programmers Manual
+
+	<DD>A programmer guide for interfacing with and/or extending the CUPS
+	software.<BR>&nbsp;
+
+	<DT>CUPS Software Users Manual
+
+	<DD>An end-user guide for using the CUPS software.<BR>&nbsp;
+
+</DL>
+</UL>
+
+
+<EMBED SRC="printing-overview.shtml">
+
+
+<H1 ALIGN="RIGHT"><A NAME="BUILDING_INSTALLING">2 - Building and Installing CUPS</A></H1>
+
+<P>This chapter shows how to build and install the Common UNIX Printing System.
+If you are installing a binary distribution from the CUPS web site, proceed to
+the section titled, <A HREF="#BINARY">Installing a Binary Distribution</A>.
+
+<H2>Installing a Source Distribution</H2>
+
+<P>This section describes how to compile and install CUPS on your system
+from the source code.
+
+<H3><A NAME="REQUIREMENTS">Requirements</A></H3>
+
+<P>You'll need ANSI-compliant C and C++ compilers to build CUPS on your
+system. As its name implies, CUPS is designed to run on the UNIX
+operating system, however the CUPS interface library and most of the
+filters and backends supplied with CUPS should also compile and run
+under Microsoft Windows.
+
+<P>For the image file filters and PostScript RIP, you'll need the JPEG,
+PNG, TIFF, and ZLIB libraries. CUPS will build without these, but with
+significantly reduced functionality. Easy Software Products maintains a
+mirror of the current versions of these libraries at:
+
+<UL><PRE>
+<A HREF="ftp://ftp.easysw.com/pub/libraries">ftp://ftp.easysw.com/pub/libraries</A>
+</PRE></UL>
+
+<P>If you make changes to the man pages you'll need GNU groff or another
+nroff-like package. GNU groff is available from:
+
+<UL><PRE>
+<A HREF="ftp://ftp.gnu.org/pub/groff">ftp://ftp.gnu.org/pub/groff</A>
+</PRE></UL>
+
+<P>The documentation is formatted using the HTMLDOC software. If you need to
+make changes you can get the HTMLDOC software from:
+
+<UL><PRE>
+<A HREF="http://www.easysw.com/htmldoc">http://www.easysw.com/htmldoc</A>
+</PRE></UL>
+
+<P>Finally, you'll need a <CODE>make</CODE> program that
+understands the <CODE>include</CODE> directive - FreeBSD,
+NetBSD, and OpenBSD developers should use the <CODE>gmake</CODE>
+program.
+
+<H3><A NAME="COMPILING">Compiling CUPS</A></H3>
+
+<P>CUPS uses GNU autoconf to configure the makefiles and source code
+for your system. Type the following command to configure CUPS for your
+system:
+
+<UL><PRE>
+<B>./configure ENTER</B>
+</PRE></UL>
+
+<P>The default installation will put the CUPS software in the
+<VAR>/etc</VAR>, <VAR>/usr</VAR>, and <VAR>/var</VAR> directories on
+your system, which will overwrite any existing printing commands on
+your system. Use the <CODE>--prefix</CODE> option to install the CUPS
+software in another location:
+
+<UL><PRE>
+<B>./configure --prefix=/some/directory ENTER</B>
+</PRE></UL>
+
+<P>If the PNG, JPEG, TIFF, and ZLIB libraries are not installed in a
+system default location (typically <VAR>/usr/include</VAR> and
+<VAR>/usr/lib</VAR>) you'll need to set the <CODE>CFLAGS</CODE>,
+<CODE>CXXFLAGS</CODE>, and <CODE>LDFLAGS</CODE> environment variables
+prior to running configure:
+
+<UL><PRE>
+<B>setenv CFLAGS "-I/some/directory" ENTER</B>
+<B>setenv CXXFLAGS "-I/some/directory" ENTER</B>
+<B>setenv LDFLAGS "-L/some/directory" ENTER</B>
+<B>setenv DSOFLAGS "-L/some/directory" ENTER</B>
+<B>./configure ... ENTER</B>
+</PRE></UL>
+
+<P>or:
+
+<UL><PRE>
+<B>CFLAGS="-I/some/directory"; export CFLAGS ENTER</B>
+<B>CXXFLAGS="-I/some/directory"; export CXXFLAGS ENTER</B>
+<B>LDFLAGS="-L/some/directory"; export LDFLAGS ENTER</B>
+<B>DSOFLAGS="-L/some/directory"; export DSOFLAGS ENTER</B>
+<B>./configure ... ENTER</B>
+</PRE></UL>
+
+<P>To enable support for encryption, you'll also want to add the
+"--enable-ssl" option:
+
+<UL><PRE>
+./configure --enable-ssl
+</PRE></UL>
+
+<P>SSL and TLS support require the OpenSSL library, available at:
+
+<UL><PRE>
+<A HREF="http://www.openssl.org">http://www.openssl.org</A>
+</PRE></UL>
+
+<P>If the OpenSSL headers and libraries are not installed in the
+standard directories, use the <CODE>--with-openssl-includes</CODE>
+and <CODE>--with-openssl-libs</CODE> options:</P>
+
+<UL><PRE>
+./configure --enable-ssl \
+    --with-openssl-includes=/foo/bar/include \
+    --with-openssl-libs=/foo/bar/lib
+</PRE></UL>
+
+<P>Once you have configured things, just type:
+
+<UL><PRE>
+<B>make ENTER</B>
+</PRE></UL>
+
+<P>to build the software.
+
+<!-- NEED 4in -->
+<H3><A NAME="INSTALLING">Installing the Software</A></H3>
+
+<P>Use the "install" target to install the software:
+
+<UL><PRE>
+<B>make install ENTER</B>
+</PRE></UL>
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" BGCOLOR="#cccccc" CELLPADDING="5">
+<TR>
+	<TD>
+	<B>WARNING:</B>
+	
+	<P>Installing CUPS will overwrite your existing printing
+	system. If you experience difficulties with the CUPS software
+	and need to go back to your old printing system, you will need
+	to reinstall the old printing system from your operating system CDs.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3><A NAME="RUNNING">Running the Software</A></A></H3>
+
+<P>Once you have installed the software you can start the CUPS server by
+typing:
+
+<UL><PRE>
+<B>/usr/sbin/cupsd ENTER</B>
+</PRE></UL>
+
+<!-- NEED 4in -->
+<H2><A NAME="BINARY">Installing a Binary Distribution</A></H2>
+
+<P>CUPS comes in a variety of binary distribution formats. Easy
+Software Products provides binaries in TAR format with installation and
+removal scripts ("portable" distributions), and in RPM and DPKG formats
+for Red Hat and Debian-based distributions.  Portable distributions are
+available for all platforms, while the RPM and DPKG distributions are
+only available for Linux.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" BGCOLOR="#cccccc" CELLPADDING="5">
+<TR>
+	<TD>
+	<B>WARNING:</B>
+	
+	<P>Installing CUPS will overwrite your existing printing
+	system. If you experience difficulties with the CUPS software
+	and need to go back to your old printing system, you will need
+	to remove the CUPS software with the provided script and/or
+	reinstall the old printing system from your operating system CDs.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+
+<H3><A NAME="PORTABLE-BINARY">Installing a Portable Distribution</A></H3>
+
+<P>To install the CUPS software from a portable distribution you will
+need to be logged in as root; doing an <CODE>su</CODE> is good enough.
+Once you are the root user, run the installation script with:
+
+<UL><PRE>
+<B>./cups.install ENTER</B>
+</PRE></UL>
+
+<P>After asking you a few yes/no questions the CUPS software will be
+installed and the scheduler will be started automatically.
+
+<!-- NEED 2in -->
+<H3><A NAME="RPM-BINARY">Installing an RPM Distribution</A></H3>
+
+<P>To install the CUPS software from an RPM distribution you will need
+to be logged in as root; doing an <CODE>su</CODE> is good enough. Once
+you are the root user, run RPM with:
+
+<UL><PRE>
+<B>rpm -e lpr</B>
+<B>rpm -i cups-1.1-linux-M.m.n-intel.rpm ENTER</B>
+</PRE></UL>
+
+<P>After a short delay the CUPS software will be
+installed and the scheduler will be started automatically.
+
+<H3><A NAME="DPKG-BINARY">Installing an Debian Distribution</A></H3>
+
+<P>To install the CUPS software from a Debian distribution you will
+need to be logged in as root; doing an <CODE>su</CODE> is good enough.
+Once you are the root user, run dpkg with:
+
+<UL><PRE>
+<B>dpkg -i cups-1.1-linux-M.m.n-intel.deb ENTER</B>
+</PRE></UL>
+
+<P>After a short delay the CUPS software will be installed and the
+scheduler will be started automatically.
+
+
+<H1 ALIGN="RIGHT"><A NAME="MANAGING_PRINTERS">3 - Managing Printers</A></H1>
+
+<P>This chapter describes how to add your first printer and how to
+manage your printers.
+
+<H2>The Basics</H2>
+
+<P>Each printer queue has a name associated with it; the printer name
+must start with a letter and can contain up to 127 letters, numbers,
+and the underscore (_). Case is not significant, e.g. "PRINTER", "Printer",
+and "printer" are considered to be the same name.
+
+<P>Printer queues also have a device associated with them. The device can be
+a parallel port, a network interface, and so forth. Devices within CUPS use
+Uniform Resource Identifiers ("URIs") which are a more general form of
+Uniform Resource Locators ("URLs") that are used in your web browser. For
+example, the first parallel port in Linux usually uses a device URI of
+<CODE>parallel:/dev/lp1</CODE>.
+
+<!-- NEED 2.5in -->
+<P>You can see a complete list of supported devices by running the
+<CODE>lpinfo(8)</CODE> command:
+
+<UL><PRE>
+<B>lpinfo -v ENTER</B>
+file file
+network socket
+network http
+network ipp
+network lpd
+direct parallel:/dev/lp1
+serial serial:/dev/ttyS1?baud=115200
+serial serial:/dev/ttyS2?baud=115200
+direct usb:/dev/usb/lp0
+network smb
+</PRE></UL>
+
+<P>The <CODE>-v</CODE> option specifies that you want a list of available
+devices. The first word in each line is the type of device (direct, file,
+network, or serial) and is followed by the device URI or method name for
+that device. File devices have device URIs of the form
+<CODE>file:/directory/filename</CODE> while network devices use the more
+familiar <CODE>method://server</CODE> or <CODE>method://server/path</CODE>
+format.
+
+<P>Finally, printer queues usually have a PostScript Printer Description
+("PPD") file associated with them. PPD files describe the capabilities of
+each printer, the page sizes supported, etc., and are used for PostScript
+and non-PostScript printers. CUPS includes PPD files for HP LaserJet, HP
+DeskJet, EPSON 9-pin, EPSON 24-pin, and EPSON Stylus printers.
+
+<H2>Adding Your First Printer</H2>
+
+<P>CUPS provides two methods for adding printers: a command-line
+program called <CODE>lpadmin(8)</CODE> and a Web interface. The
+<CODE>lpadmin</CODE> command allows you to perform most printer
+administration tasks from the command-line and is located in
+<VAR>/usr/sbin</VAR>. The Web interface is located at:
+
+<UL><PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE></UL>
+
+<P>and steps you through printer configuration. If you don't like
+command-line interfaces, try the <A HREF="#ADD_WEB">Web interface</A> instead.
+
+<H3>Adding Your First Printer from the Command-Line</H3>
+
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-p</CODE> option to add a
+printer to CUPS:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> -E -v <I>device</I> -m <I>ppd</I> ENTER</B>
+</PRE></UL>
+
+<P>For an HP DeskJet printer connected to the parallel port this would look
+like:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p DeskJet -E -v parallel:/dev/lp1 -m deskjet.ppd ENTER</B>
+</PRE></UL>
+
+<P>Similarly, an HP LaserJet printer using a JetDirect network interface at
+IP address 11.22.33.44 would be added with the command:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p LaserJet -E -v socket://11.22.33.44 -m laserjet.ppd ENTER</B>
+</PRE></UL>
+
+<P>As you can see, <CODE>deskjet.ppd</CODE> and <CODE>laserjet.ppd</CODE> are
+the PPD files for the HP DeskJet and HP LaserJet drivers included with CUPS.
+You'll find a complete list of PPD files and the printers they will work with
+in <A HREF="#PRINTER_DRIVERS">Appendix C, "Printer Drivers"</A>.
+
+
+<P>For a dot matrix printer connected to the serial port this would might look like:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p DotMatrix -E -v serial:/dev/ttyS0?baud=9600+size=8+parity=none+flow=soft deskjet.ppd ENTER</B>
+</PRE></UL>
+
+<P>Here you specify the serial port (e.g. S0,S1, d0, d1), baud rate 
+(e.g. 9600, 19200, 38400, 115200, etc.), number of bits, parity, and flow control.
+If you do not need flow control, delete the "+flow=soft" portion.
+
+
+<H3><A NAME="ADD_WEB">Adding Your First Printer from the Web</A></H3>
+
+<P>The CUPS web server provides a user-friendly "wizard" interface for
+adding your printers. Rather than figuring out which device URI and PPD file
+to use, you can instead click on the appropriate listings and fill in some
+simple information. Enter the following URL in your web browser to begin:
+
+<UL><PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE></UL>
+
+<P>Click on the <VAR>Add Printer</VAR> button to add a printer.
+
+<H2>Managing Printers from the Command-Line</H2>
+
+<P>The <CODE>lpadmin</CODE> command enables you to perform most printer
+administration tasks from the command-line. You'll find <CODE>lpadmin</CODE>
+in the <VAR>/usr/sbin</VAR> directory.
+
+<H3>Adding and Modifying Printers</H3>
+
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-p</CODE> option
+to add or modify a printer:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> <I>options</I> ENTER</B>
+</PRE></UL>
+
+<P>The <I>options</I> arguments can be any of the following:
+
+<UL>
+<DL>
+
+	<DT>-c <I>class</I>
+
+	<DD>Adds the named printer to printer class <VAR>class</VAR>.
+	If the class does not exist then it is created.
+
+	<DT>-i <I>interface</I>
+
+	<DD>Copies the named <VAR>interface</VAR> script to the printer.
+	Interface scripts are used by System V printer drivers. Since
+	all filtering is disabled when using an interface script, scripts
+	generally should not be used unless there is no other driver for
+	a printer.
+
+	<DT>-m <I>model</I>
+
+	<DD>Specifies a standard printer driver which is usually a PPD
+	file. A list of all available models can be displayed using the
+	<CODE>lpinfo</CODE> command with the <CODE>-m</CODE> option. A
+	list of printer drivers included with CUPS can be found in
+	<A HREF="#PRINTER_DRIVERS">Appendix C, "Printer Drivers"</A>.
+
+	<DT>-r <I>class</I>
+
+	<DD>Removes the named printer from printer class <VAR>class</CODE>.
+	If the resulting class becomes empty then it is removed.
+
+	<DT>-v <I>device-uri</I>
+
+	<DD>Sets the device for communicating with the printer. If a
+	job is currently printing on the named printer then the job
+	will be restarted and sent to the new device.
+
+	<DT>-D <I>info</I>
+
+	<DD>Provides a textual description of the printer, e.g.
+	"John's Personal Printer".
+
+	<DT>-E
+
+	<DD>Enables the printer and accepts job. This option is
+	equivalent to running the <CODE>enable(1)</CODE> and
+	<CODE>accept(8)</CODE> commands on the printer.
+
+	<DT>-L <I>location</I>
+
+	<DD>Provides a textual location for the printer, e.g.
+	"Computer Lab 5".
+
+	<DT>-P <I>ppd-file</I>
+
+	<DD>Specifies a local PPD file for the printer driver.
+
+</DL>
+</UL>
+
+<H3>Deleting Printers</H3>
+
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-x</CODE> option
+to delete a printer:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -x <I>printer</I> ENTER</B>
+</PRE></UL>
+
+<H3>Setting the Default Printer</H3>
+
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-d</CODE> option
+to set a default printer:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -d <I>printer</I> ENTER</B>
+</PRE></UL>
+
+<P>The default printer can be overridden by the user using the
+<CODE>lpoptions(1)</CODE> command.
+
+<H3>Starting and Stopping Printers</H3>
+
+<P>The <CODE>enable</CODE> and <CODE>disable</CODE> commands start and stop
+printer queues, respectively:
+
+<UL><PRE>
+<B>/usr/bin/enable <I>printer</I> ENTER</B>
+<B>/usr/bin/disable <I>printer</I> ENTER</B>
+</PRE></UL>
+
+<P>Printers that are disabled may still accept jobs for printing, but won't
+actually print any files until they are restarted. This is useful if the
+printer malfunctions and you need time to correct the problem. Any queued
+jobs are printed after the printer is enabled (started).
+
+<H3>Accepting and Rejecting Print Jobs</H3>
+
+<P>The <CODE>accept</CODE> and <CODE>reject</CODE> commands accept and reject
+print jobs for the named printer, respectively:
+
+<UL><PRE>
+<B>/usr/sbin/accept <I>printer</I> ENTER</B>
+<B>/usr/sbin/reject <I>printer</I> ENTER</B>
+</PRE></UL>
+
+<P>As noted above, a printer can be stopped but accepting new print
+jobs. A printer can also be rejecting new print jobs while it finishes
+those that have been queued. This is useful for when you must perform
+maintenance on the printer and will not have it available to users for
+a long period of time.
+
+<H2>Managing Printers from the Web</H2>
+
+<P>The Web interface is located at:
+
+<UL><PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE></UL>
+
+<P>From there you can perform all printer management tasks with a few
+simple mouse clicks.
+
+
+<H1 ALIGN="RIGHT"><A NAME="PRINTER_CLASSES">4 - Printer Classes</A></H1>
+
+<P>This chapter describes what printer classes are and how to manage them.
+
+<H2>The Basics</H2>
+
+<P>CUPS provides collections of printers called <I>printer classes</I>. Jobs
+sent to a class are forwarded to the first available printer in the class.
+Classes can themselves be members of other classes, so it is possible for
+you to define very large, distributed printer classes for high-availability
+printing.
+
+<P>CUPS also supports <I>implicit classes</I>. Implicit classes work just
+like printer classes, but they are created automatically based upon the
+available printers and classes on the network. This allows you to setup
+multiple print servers with identical printer configurations and have the
+client machines send their print jobs to the first available server. If
+one or more servers go down, the jobs are automatically redirected to the
+servers that are running, providing fail-safe printing.
+
+<H2>Managing Printer Classes from the Command-Line</H2>
+
+<P>Run the <CODE>lpadmin</CODE> command with the <CODE>-p</CODE> and <CODE>-c</CODE> options
+to add a printer to a class:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> -c <I>class</I> ENTER</B>
+</PRE></UL>
+
+<P>The <I>class</I> is created automatically if it doesn't exist. To remove a
+printer from a class use the <CODE>-r</CODE> option:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -p <I>printer</I> -r <I>class</I> ENTER</B>
+</PRE></UL>
+
+<P>To remove the entire class just use the <CODE>-x</CODE> option:
+
+<UL><PRE>
+<B>/usr/sbin/lpadmin -x <I>class</I> ENTER</B>
+</PRE></UL>
+
+<H2>Managing Printer Classes from the Web Interface</H2>
+
+<P>The Web interface is located at:
+
+<UL><PRE>
+<A HREF="http://localhost:631/admin">http://localhost:631/admin</A>
+</PRE></UL>
+
+<P>The <VAR>Add Class</VAR> and <VAR>Modify Class</VAR> interfaces provide a
+list of available printers; click on the printers of interest to add them to
+the class.
+
+<H2>Implicit Classes</H2>
+
+<P>A noted earlier, implicit classes are created automatically from the
+available network printers and classes. To disable this functionality,
+set the <A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A>
+directive to <CODE>Off</CODE> in the <CODE>cupsd.conf</CODE> file. You
+will find more information on doing this in
+<A HREF="#PRINTING_MANAGEMENT">Chapter 6, "Printing System
+Management"</A>.
+
+
+<H1 ALIGN="RIGHT"><A NAME="CLIENT_SETUP">5 - Client Setup</A></H1>
+
+<P>This chapter discusses several ways to configure CUPS clients for
+printing.
+
+<H2>The Basics</H2>
+
+<P>A client is any machine that sends print jobs to another machine for
+final printing. Clients can also be servers if they communicate directly with
+any printers of their own.
+
+<P>CUPS supports several methods of configuring client machines:
+
+<UL>
+
+	<LI><A HREF="#CLIENT_MANUAL">Manual configuration of print queues.</A>
+
+	<LI><A HREF="#CLIENT_SERVER">Specifying a single server for printing.</A>
+
+	<LI><A HREF="#CLIENT_AUTO">Automatic configuration of print queues.</A>
+
+	<LI><A HREF="#CLIENT_POLL">Specifying multiple servers for printing.</A>
+
+</UL>
+
+<H3><A NAME="CLIENT_MANUAL">Manual Configuration of Print Queues</A></H3>
+
+<P>The most tedious method of configuring client machines is to configure
+each remote queue by hand using the <CODE>lpadmin</CODE> command:
+
+<UL><PRE>
+<B>lpadmin -p <I>printer</I> -E -v ipp://<I>server</I>/printers/<I>printer</I> ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>printer</CODE> name is the name of the printer on the server
+machine. The <CODE>server</CODE> name is the hostname or IP address of the
+server machine. Repeat the <CODE>lpadmin</CODE> command for each remote
+printer you wish to use.
+
+<H3><A NAME="CLIENT_SERVER">Specifying a Single Server for Printing</A></H3>
+
+<P>CUPS can be configured to run without a local spooler and send all
+jobs to a single server. However, if that server goes down then all
+printing will be disabled. Use this configuration only as absolutely needed.
+
+<P>The default server is normally "localhost". To override the default
+server create a file named <VAR>/etc/cups/client.conf</VAR> and add
+a line reading:
+
+<UL><PRE>
+ServerName <I>server</I>
+</PRE></UL>
+
+<P>to the file. The <VAR>server</VAR> name can be the hostname or IP address
+of the default server.
+
+<P>The default server can also be customized on a per-user basis. To set a
+user-specific server create a file named <VAR>~/.cupsrc</VAR> and add a line
+reading:
+
+<UL><PRE>
+ServerName <I>server</I>
+</PRE></UL>
+
+<P>to the file. The <VAR>server</VAR> name can be the hostname or IP
+address of the default server.
+
+<H3><A NAME="CLIENT_AUTO">Automatic Configuration of Print Queues</A></H3>
+
+<P>CUPS supports automatic client configuration of printers on the same
+subnet. To configure printers on the same subnet, <I>do nothing</I>.
+Each client should see the available printers within 30 seconds
+automatically. The printer and class lists are updated automatically as
+printers and servers are added or removed.
+
+<P>If you want to see printers on other subnets as well, use the
+<A HREF="#BrowsePoll"><CODE>BrowsePoll</CODE></A> directive as
+described next.
+
+<H3><A NAME="CLIENT_POLL">Specifying Multiple Servers for Printing</A></H3>
+
+<P>If you have CUPS servers on different subnets, then you should configure
+CUPS to poll those servers. Polling provides the benefits of automatic
+configuration without significant configuration on the clients, and multiple
+clients on the same subnet can share the same configuration information.
+
+<P>Polling is enabled by specifying one or more
+<A HREF="#BrowsePoll"><CODE>BrowsePoll</CODE></A> directives in the
+<VAR>/etc/cups/cupsd.conf</VAR> file. For information on making these
+changes, see <A HREF="#PRINTING_MANAGEMENT">Chapter 6, "Printing System
+Management"</A>.
+
+
+<H1 ALIGN="RIGHT"><A NAME="PRINTING_MANAGEMENT">6 - Printing System Management</A></H1>
+
+<P>This chapter shows how you can configure the CUPS server.
+
+<H2>The Basics</H2>
+
+<P>Several text files are used to configure CUPS. All of the server
+configuration files are located in the <VAR>/etc/cups</VAR> directory:
+
+<UL>
+<DL>
+
+	<!-- NEED 1in -->
+	<DT>classes.conf
+
+	<DD>This file contains information on each printer class.
+	Normally you manipulate this file using the
+	<CODE>lpadmin</CODE> command or the Web interface.<BR>&nbsp;
+
+	<!-- NEED 1in -->
+	<DT>client.conf
+
+	<DD>This file provides the default server name for client
+	machines. See <A HREF="#CLIENT_SETUP">Chapter 5, "Client
+	Setup"</A> for more information.<BR>&nbsp;
+
+	<!-- NEED 1in -->
+	<DT>cupsd.conf
+
+	<DD>This file controls how the CUPS server
+	(<VAR>/usr/sbin/cupsd</VAR>) operates and is normally edited by
+	hand.<BR>&nbsp;
+
+	<!-- NEED 1in -->
+	<DT>mime.convs
+
+	<DD>This file contains a list of standard file conversion filters
+	and their costs. You normally do not edit this file.<BR>&nbsp;
+
+	<!-- NEED 1in -->
+	<DT>mime.types
+
+	<DD>This file contains a list of standard file formats and how to
+	recognize them. You normally do not edit this file.<BR>&nbsp;
+
+	<!-- NEED 1in -->
+	<DT>printers.conf
+
+	<DD>This file contains information on each printer. Normally
+	you manipulate this file using the <CODE>lpadmin</CODE> command
+	or the Web Interface.<BR>&nbsp;
+
+</DL>
+</UL>
+
+<H2><A NAME="RESTARTING">Restarting the CUPS Server</A></H2>
+
+<P>Once you have made a change to a configuration file you need to
+restart the CUPS server by sending it a <CODE>HUP</CODE> signal or using the
+supplied initialization script. The CUPS distributions install the
+script in the <VAR>init.d</VAR> directory with the name
+<VAR>cups</VAR>. The location varies based upon the operating system:
+
+<UL><PRE>
+<B>/etc/rc.d/init.d/cups restart ENTER</B>
+<B>/etc/init.d/cups restart ENTER</B>
+<B>/sbin/init.d/cups restart ENTER</B>
+</PRE></UL>
+
+<H2>Changing the Server Configuration</H2>
+
+<P>The <VAR>/etc/cups/cupsd.conf</VAR> file contains configuration
+<I>directives</I> that control how the server functions. Each directive
+is listed on a line by itself followed by its value. Comments are
+introduced using the number sign ("#") character at the beginning of a
+line. Since the server configuration file consists of plain text, you
+can use your favorite text editor to make changes to it.
+
+<!-- NEED 4in -->
+<H2>Server Directives</H2>
+
+<P>The <VAR>cupsd.conf</VAR> file contains many directives that
+determine how the server operates:
+
+<UL>
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0">
+<TR>
+<TD VALIGN="TOP">
+
+	<LI><A HREF="#AccessLog"><CODE>AccessLog</CODE></A>
+	<LI><A HREF="#Allow"><CODE>Allow</CODE></A>
+	<LI><A HREF="#AuthClass"><CODE>AuthClass</CODE></A>
+	<LI><A HREF="#AuthGroupName"><CODE>AuthGroupName</CODE></A>
+	<LI><A HREF="#AuthType"><CODE>AuthType</CODE></A>
+	<LI><A HREF="#AutoPurgeJobs"><CODE>AutoPurgeJobs</CODE></A>
+	<LI><A HREF="#BrowseAddress"><CODE>BrowseAddress</CODE></A>
+	<LI><A HREF="#BrowseAllow"><CODE>BrowseAllow</CODE></A>
+	<LI><A HREF="#BrowseDeny"><CODE>BrowseDeny</CODE></A>
+	<LI><A HREF="#BrowseInterval"><CODE>BrowseInterval</CODE></A>
+	<LI><A HREF="#BrowseOrder"><CODE>BrowseOrder</CODE></A>
+	<LI><A HREF="#BrowsePoll"><CODE>BrowsePoll</CODE></A>
+	<LI><A HREF="#BrowsePort"><CODE>BrowsePort</CODE></A>
+	<LI><A HREF="#BrowseProtocols"><CODE>BrowseProtocols</CODE></A>
+	<LI><A HREF="#BrowseRelay"><CODE>BrowseRelay</CODE></A>
+	<LI><A HREF="#BrowseShortNames"><CODE>BrowseShortNames</CODE></A>
+	<LI><A HREF="#BrowseTimeout"><CODE>BrowseTimeout</CODE></A>
+	<LI><A HREF="#Browsing"><CODE>Browsing</CODE></A>
+	<LI><A HREF="#Classification"><CODE>Classification</CODE></A>
+	<LI><A HREF="#ClassifyOverride"><CODE>ClassifyOverride</CODE></A>
+	<LI><A HREF="#DataDir"><CODE>DataDir</CODE></A>
+	<LI><A HREF="#DefaultCharset"><CODE>DefaultCharset</CODE></A>
+	<LI><A HREF="#DefaultLanguage"><CODE>DefaultLanguage</CODE></A>
+	<LI><A HREF="#Deny"><CODE>Deny</CODE></A>
+	<LI><A HREF="#DocumentRoot"><CODE>DocumentRoot</CODE></A>
+
+</TD>
+<TD VALIGN="TOP">
+&nbsp;&nbsp;&nbsp;
+</TD>
+<TD VALIGN="TOP">
+
+	<LI><A HREF="#Encryption"><CODE>Encryption</CODE></A>
+	<LI><A HREF="#ErrorLog"><CODE>ErrorLog</CODE></A>
+	<LI><A HREF="#FilterLimit"><CODE>FilterLimit</CODE></A>
+	<LI><A HREF="#FontPath"><CODE>FontPath</CODE></A>
+	<LI><A HREF="#Group"><CODE>Group</CODE></A>
+	<LI><A HREF="#HideImplicitMembers"><CODE>HideImplicitMembers</CODE></A>
+	<LI><A HREF="#HostNameLookups"><CODE>HostNameLookups</CODE></A>
+	<LI><A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A>
+	<LI><A HREF="#ImplicitAnyClasses"><CODE>ImplicitAnyClasses</CODE></A>
+	<LI><A HREF="#Include"><CODE>Include</CODE></A>
+	<LI><A HREF="#KeepAliveTimeout"><CODE>KeepAliveTimeout</CODE></A>
+	<LI><A HREF="#KeepAlive"><CODE>KeepAlive</CODE></A>
+	<LI><A HREF="#Limit"><CODE>Limit</CODE></A>
+	<LI><A HREF="#LimitExcept"><CODE>LimitExcept</CODE></A>
+	<LI><A HREF="#LimitRequestBody"><CODE>LimitRequestBody</CODE></A>
+	<LI><A HREF="#Listen"><CODE>Listen</CODE></A>
+	<LI><A HREF="#Location"><CODE>Location</CODE></A>
+	<LI><A HREF="#LogLevel"><CODE>LogLevel</CODE></A>
+	<LI><A HREF="#MaxClients"><CODE>MaxClients</CODE></A>
+	<LI><A HREF="#MaxJobs"><CODE>MaxJobs</CODE></A>
+	<LI><A HREF="#MaxJobsPerPrinter"><CODE>MaxJobsPerPrinter</CODE></A>
+	<LI><A HREF="#MaxJobsPerUser"><CODE>MaxJobsPerUser</CODE></A>
+	<LI><A HREF="#MaxLogSize"><CODE>MaxLogSize</CODE></A>
+	<LI><A HREF="#MaxRequestSize"><CODE>MaxRequestSize</CODE></A>
+	<LI><A HREF="#Order"><CODE>Order</CODE></A>
+
+</TD>
+<TD VALIGN="TOP">
+&nbsp;&nbsp;&nbsp;
+</TD>
+<TD VALIGN="TOP">
+
+	<LI><A HREF="#PageLog"><CODE>PageLog</CODE></A>
+	<LI><A HREF="#Port"><CODE>Port</CODE></A>
+	<LI><A HREF="#PreserveJobFiles"><CODE>PreserveJobFiles</CODE></A>
+	<LI><A HREF="#PreserveJobHistory"><CODE>PreserveJobHistory</CODE></A>
+	<LI><A HREF="#Printcap"><CODE>Printcap</CODE></A>
+	<LI><A HREF="#PrintcapFormat"><CODE>PrintcapFormat</CODE></A>
+	<LI><A HREF="#PrintcapGUI"><CODE>PrintcapGUI</CODE></A>
+	<LI><A HREF="#RemoteRoot"><CODE>RemoteRoot</CODE></A>
+	<LI><A HREF="#RequestRoot"><CODE>RequestRoot</CODE></A>
+	<LI><A HREF="#Require"><CODE>Require</CODE></A>
+	<LI><A HREF="#RIPCache"><CODE>RIPCache</CODE></A>
+	<LI><A HREF="#RunAsUser"><CODE>RunAsUser</CODE></A>
+	<LI><A HREF="#Satisfy"><CODE>Satisfy</CODE></A>
+	<LI><A HREF="#ServerAdmin"><CODE>ServerAdmin</CODE></A>
+	<LI><A HREF="#ServerBin"><CODE>ServerBin</CODE></A>
+	<LI><A HREF="#ServerCertificate"><CODE>ServerCertificate</CODE></A>
+	<LI><A HREF="#ServerKey"><CODE>ServerKey</CODE></A>
+	<LI><A HREF="#ServerName"><CODE>ServerName</CODE></A>
+	<LI><A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A>
+	<LI><A HREF="#SSLListen"><CODE>SSLListen</CODE></A>
+	<LI><A HREF="#SSLPort"><CODE>SSLPort</CODE></A>
+	<LI><A HREF="#SystemGroup"><CODE>SystemGroup</CODE></A>
+	<LI><A HREF="#TempDir"><CODE>TempDir</CODE></A>
+	<LI><A HREF="#Timeout"><CODE>Timeout</CODE></A>
+	<LI><A HREF="#User"><CODE>User</CODE></A>
+
+</TD>
+</TR>
+</TABLE>
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="AccessLog">AccessLog</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+AccessLog /var/log/cups/access_log
+AccessLog /var/log/cups/access_log-%s
+AccessLog syslog
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>AccessLog</CODE> directive sets the name of the access log
+file. If the filename is not absolute then it is assumed to be relative
+to the <A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory. The
+access log file is stored in "common log format" and can be used by any
+web access reporting tool to generate a report on CUPS server activity.
+
+<P>The server name can be included in the filename by using
+<CODE>%s</CODE> in the name.
+
+<P>The special name "syslog" can be used to send the access information
+to the system log instead of a plain file.
+
+<P>The default access log file is <VAR>/var/log/cups/access_log</VAR>.
+
+<!-- NEED 6in -->
+<H3><A NAME="Allow">Allow</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Allow from All
+Allow from None
+Allow from *.domain.com
+Allow from .domain.com
+Allow from host.domain.com
+Allow from nnn.*
+Allow from nnn.nnn.*
+Allow from nnn.nnn.nnn.*
+Allow from nnn.nnn.nnn.nnn
+Allow from nnn.nnn.nnn.nnn/mm
+Allow from nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Allow</CODE> directive specifies a hostname, IP address,
+or network that is allowed access to the server.  <CODE>Allow</CODE>
+directives are cummulative, so multiple <CODE>Allow</CODE> directives
+can be used to allow access for multiple hosts or networks.  The
+<CODE>/mm</CODE> notation specifies a CIDR netmask:
+
+<CENTER><TABLE BORDER="1">
+<TR>
+	<TH WIDTH="10%">mm</TH>
+	<TH WIDTH="20%">netmask</TH>
+	<TH WIDTH="10%">mm</TH>
+	<TH WIDTH="20%">netmask</TH>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">0</TD>
+	<TD ALIGN="CENTER">0.0.0.0</TD>
+	<TD ALIGN="CENTER">8</TD>
+	<TD ALIGN="CENTER">255.0.0.0</TD>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">1</TD>
+	<TD ALIGN="CENTER">128.0.0.0</TD>
+	<TD ALIGN="CENTER">16</TD>
+	<TD ALIGN="CENTER">255.255.0.0</TD>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">2</TD>
+	<TD ALIGN="CENTER">192.0.0.0</TD>
+	<TD ALIGN="CENTER">24</TD>
+	<TD ALIGN="CENTER">255.255.255.0</TD>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">...</TD>
+	<TD ALIGN="CENTER">...</TD>
+	<TD ALIGN="CENTER">32</TD>
+	<TD ALIGN="CENTER">255.255.255.255</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>The <CODE>Allow</CODE> directive must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="AuthClass">AuthClass</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+AuthClass Anonymous
+AuthClass User
+AuthClass System
+AuthClass Group
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>AuthClass</CODE> directive defines what level of authentication
+is required:
+
+<UL>
+
+	<LI><CODE>Anonymous</CODE> - No authentication should be performed
+	(default.)
+
+	<LI><CODE>User</CODE> - A valid username and password is required.
+
+	<LI><CODE>System</CODE> - A valid username and password is
+	required, and the username must belong to the "sys" group; this
+	can be changed using the
+	<A HREF="#SystemGroup"><CODE>SystemGroup</CODE></A> directive.
+
+	<LI><CODE>Group</CODE> - A valid username and password is
+	required, and the username must belong to the group named by
+	the <CODE>AuthGroupName</CODE> directive.
+
+</UL>
+
+<P>The <CODE>AuthClass</CODE> directive must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="AuthGroupName">AuthGroupName</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+AuthGroupName mygroup
+AuthGroupName lp
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>AuthGroupName</CODE> directive sets the group to use for
+<CODE>Group</CODE> authentication.
+
+<P>The <CODE>AuthGroupName</CODE> directive must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="AuthType">AuthType</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+AuthType None
+AuthType Basic
+AuthType Digest
+AuthType BasicDigest
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>AuthType</CODE> directive defines the type of authentication to
+perform:
+
+<UL>
+
+	<LI><CODE>None</CODE> - No authentication should be performed
+	(default.)
+
+	<LI><CODE>Basic</CODE> - Basic authentication should be
+	performed using the UNIX password and group files.
+
+	<LI><CODE>Digest</CODE> - Digest authentication should be
+	performed using the <VAR>/etc/cups/passwd.md5</VAR> file.
+
+	<LI><CODE>BasicDigest</CODE> - Basic authentication should be
+	performed using the <VAR>/etc/cups/passwd.md5</VAR> file.
+
+</UL>
+
+<P>When using <CODE>Basic</CODE>, <CODE>Digest</CODE>, or
+<CODE>BasicDigest</CODE> authentication, clients connecting
+through the <CODE>localhost</CODE> interface can also
+authenticate using <A HREF="#CERTIFICATES">certificates</A>.
+
+<P>The <CODE>AuthType</CODE> directive must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="AutoPurgeJobs">AutoPurgeJobs</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+AutoPurgeJobs Yes
+AutoPurgeJobs No
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>AutoPurgeJobs</CODE> directive specifies whether or not to purge
+completed jobs once they are no longer required for quotas. This option has
+no effect if quotas are not enabled. The default setting is <CODE>No</CODE>.
+
+<!-- NEED 5in -->
+<H3><A NAME="BrowseAddress">BrowseAddress</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseAddress 255.255.255.255:631
+BrowseAddress 192.0.2.255:631
+BrowseAddress host.domain.com:631
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseAddress</CODE> directive specifies an address to
+send browsing information to. Multiple <CODE>BrowseAddress</CODE>
+directives can be specified to send browsing information to different
+networks or systems.
+
+<P>The default address is <CODE>255.255.255.255:631</CODE> which will
+broadcast the information to all networks the server is connected to.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>If you are using HP-UX 10.20 and a subnet that is not 24,
+	16, or 8 bits, printer browsing (and in fact all broadcast
+	reception) will not work. This problem appears to be fixed in
+	HP-UX 11.0.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 4in -->
+<H3><A NAME="BrowseAllow">BrowseAllow</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseAllow from all
+BrowseAllow from none
+BrowseAllow from 192.0.2
+BrowseAllow from 192.0.2.0/24
+BrowseAllow from 192.0.2.0/255.255.255.0
+BrowseAllow from *.domain.com
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseAllow</CODE> directive specifies a system or network
+to accept browse packets from. The default is to accept browse packets
+from all hosts.
+
+<P>Host and domain name matching require that you enable the
+<A HREF="#HostNameLookups"><CODE>HostNameLookups</CODE></A> directive.
+
+<P>IP address matching supports exact matches, partial addresses that
+match networks using netmasks of 255.0.0.0, 255.255.0.0, and 255.255.255.0,
+or network addresses using the specified netmask or bit count.
+
+<!-- NEED 4in -->
+<H3><A NAME="BrowseDeny">BrowseDeny</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseDeny from all
+BrowseDeny from none
+BrowseDeny from 192.0.2
+BrowseDeny from 192.0.2.0/24
+BrowseDeny from 192.0.2.0/255.255.255.0
+BrowseDeny from *.domain.com
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseDeny</CODE> directive specifies a system or network
+to reject browse packets from. The default is to deny browse packets
+from no hosts.
+
+<P>Host and domain name matching require that you enable the
+<A HREF="#HostNameLookups"><CODE>HostNameLookups</CODE></A> directive.
+
+<P>IP address matching supports exact matches, partial addresses that
+match networks using netmasks of 255.0.0.0, 255.255.0.0, and 255.255.255.0,
+or network addresses using the specified netmask or bit count.
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowseOrder">BrowseOrder</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseOrder allow,deny
+BrowseOrder deny,allow
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseOrder</CODE> directive specifies the order of allow/deny
+processing. The default order is <CODE>deny,allow</CODE>:
+
+<UL>
+
+	<LI><CODE>allow,deny</CODE> - Browse packets are accepted unless
+	specifically denied.
+
+	<LI><CODE>deny,allow</CODE> - Browse packets are rejected unless
+	specifically allowed.
+
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowseInterval">BrowseInterval</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseInterval 0
+BrowseInterval 30
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseInterval</CODE> directive specifies the maximum amount of
+time between browsing updates. Specifying a value of 0 seconds disables
+outgoing browse updates but allows a server to receive printer information
+from other hosts.
+
+<P>The <CODE>BrowseInterval</CODE> value should always be less than the
+<A HREF="#BrowseTimeout"><CODE>BrowseTimeout</CODE></A> value. Otherwise
+printers and classes will disappear from client systems between updates.
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowsePoll">BrowsePoll</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowsePoll 192.0.2.2:631
+BrowsePoll host.domain.com:631
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowsePoll</CODE> directive polls a server for available
+printers once every
+<A HREF="#BrowseInterval"><CODE>BrowseInterval</CODE></A> seconds.
+Multiple <CODE>BrowsePoll</CODE> directives can be specified to poll
+multiple servers.
+
+<P>If <CODE>BrowseInterval</CODE> is set to 0 then the server is polled
+once every 30 seconds.
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowsePort">BrowsePort</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowsePort 631
+BrowsePort 9999
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowsePort</CODE> directive specifies the UDP port number
+used for browse packets. The default port number is 631.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>You must set the <CODE>BrowsePort</CODE> to the same value
+	on all of the systems that you want to see.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowseProtocols">BrowseProtocols</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseProtocols CUPS
+BrowseProtocols SLP
+BrowseProtocols CUPS SLP
+BrowseProtocols all
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseProtocols</CODE> directive specifies the protocols to
+use when collecting and distributing shared printers on the local network.
+The default protocol is <CODE>CUPS</CODE>, which is a broadcast-based
+protocol.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>When using the <CODE>SLP</CODE> protocol, you must have at least
+	one Directory Agent (DA) server on your network. Otherwise the
+	CUPS scheduler (<CODE>cupsd</CODE>) will not respond to client
+	requests for several seconds while polling the network.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 4in -->
+<H3><A NAME="BrowseRelay">BrowseRelay</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseRelay 193.0.2.1 192.0.2.255
+BrowseRelay 193.0.2.0/255.255.255.0 192.0.2.255
+BrowseRelay 193.0.2.0/24 192.0.2.255
+BrowseRelay *.domain.com 192.0.2.255
+BrowseRelay host.domain.com 192.0.2.255
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseRelay</CODE> directive specifies source and destination
+addresses for relaying browsing information from one host or network to
+another. Multiple <CODE>BrowseRelay</CODE> directives can be specified
+as needed.
+
+<P><CODE>BrowseRelay</CODE> is typically used on systems that bridge
+multiple subnets using one or more network interfaces. It can also be
+used to relay printer information from polled servers with the line:
+
+<UL><PRE>
+BrowseRelay 127.0.0.1 255.255.255.255
+</PRE></UL>
+
+<P>This effectively provides access to printers on a WAN for all clients
+on the LAN(s).
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowseShortNames">BrowseShortNames</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseShortNames Yes
+BrowseShortNames No
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseShortNames</CODE> directive specifies whether or not
+short names are used for remote printers when possible. Short names are
+just the remote printer name, without the server ("printer"). If more than
+one remote printer is detected with the same name, the printers will have
+long names ("printer@server1", "printer@server2".)
+
+<P>The default value for this option is <CODE>Yes</CODE>.
+
+<!-- NEED 3in -->
+<H3><A NAME="BrowseTimeout">BrowseTimeout</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+BrowseTimeout 300
+BrowseTimeout 60
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>BrowseTimeout</CODE> directive sets the timeout for
+printer or class information that is received in browse packets. Once a
+printer or class times out it is removed from the list of available
+destinations.
+
+<P>The <CODE>BrowseTimeout</CODE> value should always be greater than the
+<A HREF="#BrowseInterval"><CODE>BrowseInterval</CODE></A> value. Otherwise
+printers and classes will disappear from client systems between updates.
+
+<!-- NEED 4in -->
+<H3><A NAME="Browsing">Browsing</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Browsing On
+Browsing Off
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Browsing</CODE> directive controls whether or not network printer
+browsing is enabled. The default setting is <CODE>On</CODE>.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>If you are using HP-UX 10.20 and a subnet that is not 24,
+	16, or 8 bits, printer browsing (and in fact all broadcast
+	reception) will not work. This problem appears to be fixed in
+	HP-UX 11.0.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 3in -->
+<H3><A NAME="Classification">Classification</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Classification
+Classification classified
+Classification confidential
+Classification secret
+Classification topsecret
+Classification unclassified
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Classification</CODE> directive sets the classification level
+on the server. When this option is set, at least one of the banner pages
+is forced to the classification level, and the classification is placed
+on each page of output. The default is no classification level.
+
+<!-- NEED 3in -->
+<H3><A NAME="ClassifyOverride">ClassifyOverride</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ClassifyOverride Yes
+ClassifyOverride No
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ClassifyOverride</CODE> directive specifies whether users
+can override the default classification level on the server. When the
+server classification is set, users can change the classification using
+the <CODE>job-sheets</CODE> option and can choose to only print one
+security banner before or after the job. If the <CODE>job-sheets</CODE>
+option is set to <CODE>none</CODE> then the server default classification
+is used.
+
+<P>The default is to not allow classification overrides.
+
+<!-- NEED 3in -->
+<H3><A NAME="DataDir">DataDir</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+DataDir /usr/share/cups
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>DataDir</CODE> directive sets the directory to use for data
+files.
+
+<!-- NEED 3in -->
+<H3><A NAME="DefaultCharset">DefaultCharset</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+DefaultCharset utf-8
+DefaultCharset iso-8859-1
+DefaultCharset windows-1251
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>DefaultCharset</CODE> directive sets the default character set
+to use for client connections. The default character set is
+<CODE>utf-8</CODE> but is overridden by the character set for the language
+specified by the client or the <CODE>DefaultLanguage</CODE> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="DefaultLanguage">DefaultLanguage</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+DefaultLanguage de
+DefaultLanguage en
+DefaultLanguage es
+DefaultLanguage fr
+DefaultLanguage it
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>DefaultLanguage</CODE> directive specifies the default language
+to use for client connections. Setting the default language also sets the
+default character set if a language localization file exists for it.  The
+default language is "en" for English.
+
+<!-- NEED 5in -->
+<H3><A NAME="Deny">Deny</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Deny from All
+Deny from None
+Deny from *.domain.com
+Deny from .domain.com
+Deny from host.domain.com
+Deny from nnn.*
+Deny from nnn.nnn.*
+Deny from nnn.nnn.nnn.*
+Deny from nnn.nnn.nnn.nnn
+Deny from nnn.nnn.nnn.nnn/mm
+Deny from nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Deny</CODE> directive specifies a hostname, IP address, or
+network that is allowed access to the server. <CODE>Deny</CODE>
+directives are cummulative, so multiple <CODE>Deny</CODE> directives
+can be used to allow access for multiple hosts or networks. The
+<CODE>/mm</CODE> notation specifies a CIDR netmask:
+
+<CENTER><TABLE BORDER="1">
+<TR>
+	<TH WIDTH="10%">mm</TH>
+	<TH WIDTH="20%">netmask</TH>
+	<TH WIDTH="10%">mm</TH>
+	<TH WIDTH="20%">netmask</TH>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">0</TD>
+	<TD ALIGN="CENTER">0.0.0.0</TD>
+	<TD ALIGN="CENTER">8</TD>
+	<TD ALIGN="CENTER">255.0.0.0</TD>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">1</TD>
+	<TD ALIGN="CENTER">128.0.0.0</TD>
+	<TD ALIGN="CENTER">16</TD>
+	<TD ALIGN="CENTER">255.255.0.0</TD>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">2</TD>
+	<TD ALIGN="CENTER">192.0.0.0</TD>
+	<TD ALIGN="CENTER">24</TD>
+	<TD ALIGN="CENTER">255.255.255.0</TD>
+</TR>
+<TR>
+	<TD ALIGN="CENTER">...</TD>
+	<TD ALIGN="CENTER">...</TD>
+	<TD ALIGN="CENTER">32</TD>
+	<TD ALIGN="CENTER">255.255.255.255</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>The <CODE>Deny</CODE> directive must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="DocumentRoot">DocumentRoot</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+DocumentRoot /usr/share/doc/cups
+DocumentRoot /foo/bar/doc/cups
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>DocumentRoot</CODE> directive specifies the location of
+web content for the HTTP server in CUPS. If an absolute path is not
+specified then it is assumed to be relative to the
+<A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory. The
+default directory is <VAR>/usr/share/doc/cups</VAR>.
+
+<P>Documents are first looked up in a sub-directory for the primary
+language requested by the client (e.g. <VAR>/usr/share/doc/cups/fr/...</VAR>)
+and then directly under the <CODE>DocumentRoot</CODE> directory
+(e.g. <VAR>/usr/share/doc/cups/...</VAR>), so it is possible to localize
+the web content by providing subdirectories for each language needed.
+
+<!-- NEED 3in -->
+<H3><A NAME="Encryption">Encryption</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Encryption Never
+Encryption IfRequested
+Encryption Required
+Encryption Always
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Encryption</CODE> directive must appear instead a
+<A HREF="#Location"><CODE>Location</CODE></A>
+section and specifies the encryption settings for that location.
+The default setting is <CODE>IfRequested</CODE> for all locations.
+
+<!-- NEED 3in -->
+<H3><A NAME="ErrorLog">ErrorLog</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ErrorLog /var/log/cups/error_log
+ErrorLog /var/log/cups/error_log-%s
+ErrorLog syslog
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ErrorLog</CODE> directive sets the name of the error log
+file. If the filename is not absolute then it is assumed to be relative
+to the <A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory. The
+default error log file is <VAR>/var/log/cups/error_log</VAR>.
+
+<P>The server name can be included in the filename by using
+<CODE>%s</CODE> in the name.
+
+<P>The special name "syslog" can be used to send the error information
+to the system log instead of a plain file.
+
+<!-- NEED 3in -->
+<H3><A NAME="FilterLimit">FilterLimit</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+FilterLimit 0
+FilterLimit 200
+FilterLimit 1000
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>FilterLimit</CODE> directive sets the maximum cost
+of all running job filters. It can be used to limit the number
+of filter programs that are run on a server to minimize disk,
+memory, and CPU resource problems. A limit of 0 disables filter
+limiting.
+
+<P>An average print to a non-PostScript printer needs a filter
+limit of about 200. A PostScript printer needs about half that
+(100). Setting the limit below these thresholds will effectively
+limit the scheduler to printing a single job at any time.
+
+<P>The default limit is 0.
+
+<!-- NEED 3in -->
+<H3><A NAME="FontPath">FontPath</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+FontPath /foo/bar/fonts
+FontPath /usr/share/cups/fonts:/foo/bar/fonts
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>FontPath</CODE> directive specifies the font path to use when
+searching for fonts. The default font path is
+<CODE>/usr/share/cups/fonts</CODE>.
+
+<!-- NEED 3in -->
+<H3><A NAME="Group">Group</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Group sys
+Group system
+Group root
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Group</CODE> directive specifies the UNIX group that
+filter and CGI programs run as. The default group is <CODE>sys</CODE>,
+<CODE>system</CODE>, or <CODE>root</CODE> depending on the operating
+system.
+
+<!-- NEED 3in -->
+<H3><A NAME="HideImplicitMembers">HideImplicitMembers</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+HideImplicitMembers Yes
+HideImplicitMembers No
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>HideImplicitMembers</CODE> directive controls
+whether the individual printers in an implicit class are shown
+to the user. The default is <CODE>No</CODE>.</P>
+
+<P><A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A>
+must be enabled for this directive to have any effect.</P>
+
+<!-- NEED 3in -->
+<H3><A NAME="HostNameLookups">HostNameLookups</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+HostNameLookups On
+HostNameLookups Off
+HostNameLookups Double
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>HostNameLookups</CODE> directive controls whether
+or not CUPS looks up the hostname for connecting clients. The
+<CODE>Double</CODE> setting causes CUPS to verify that the
+hostname resolved from the address matches one of the addresses
+returned for that hostname. <CODE>Double</CODE> lookups also
+prevent clients with unregistered addresses from connecting
+to your server.
+
+The default is <CODE>Off</CODE> to avoid the potential server
+performance problems with hostname lookups. Set this option to
+<CODE>On</CODE> or <CODE>Double</CODE> only if absolutely
+required.
+
+<!-- NEED 3in -->
+<H3><A NAME="ImplicitClasses">ImplicitClasses</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ImplicitClasses On
+ImplicitClasses Off
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ImplicitClasses</CODE> directive controls whether implicit
+classes are created based upon the available network printers and classes.
+The default setting is <CODE>On</CODE> but is automatically turned
+<CODE>Off</CODE> if <A HREF="#Browsing"><CODE>Browsing</CODE></A> is
+turned <CODE>Off</CODE>.
+
+<!-- NEED 3in -->
+<H3><A NAME="ImplicitAnyClasses">ImplicitAnyClasses</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ImplicitAnyClasses On
+ImplicitAnyClasses Off
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ImplicitAnyClasses</CODE> directive controls
+whether implicit classes for local and remote printers are
+created with the name <CODE>AnyPrinter</CODE>. The default
+setting is <CODE>Off</CODE>.</P>
+
+<P><A HREF="#ImplicitClasses"><CODE>ImplicitClasses</CODE></A>
+must be enabled for this directive to have any effect.</P>
+
+<!-- NEED 3in -->
+<H3><A NAME="Include">Include</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Include filename
+Include /foo/bar/filename
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Include</CODE> directive includes the named file in
+the <CODE>cupsd.conf</CODE> file. If no leading path is
+provided, the file is assumed to be relative to the
+<A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory.</P>
+
+<!-- NEED 3in -->
+<H3><A NAME="KeepAlive">KeepAlive</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+KeepAlive On
+KeepAlive Off
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>KeepAlive</CODE> directive controls whether or not to support
+persistent HTTP connections. The default is <CODE>On</CODE>.
+
+<P>HTTP/1.1 clients automatically support persistent connections, while
+HTTP/1.0 clients must specifically request them using the
+<CODE>Keep-Alive</CODE> attribute in the <CODE>Connection:</CODE>
+field of each request.
+
+<!-- NEED 3in -->
+<H3><A NAME="KeepAliveTimeout">KeepAliveTimeout</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+KeepAliveTimeout 60
+KeepAliveTimeout 30
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>KeepAliveTimeout</CODE> directive controls how long a
+persistent HTTP connection will remain open after the last request. The
+default is 60 seconds.
+
+<!-- NEED 3in -->
+<H3><A NAME="Limit">Limit</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+&lt;Limit GET POST&gt;
+...
+&lt;/Limit&gt;
+
+&lt;Limit ALL&gt;
+...
+&lt;/Limit&gt;
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Limit</CODE> directive groups access control directives for
+specific types of HTTP requests and must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> section. Access can be limited
+for individual request types (<CODE>DELETE</CODE>, <CODE>GET</CODE>,
+<CODE>HEAD</CODE>, <CODE>OPTIONS</CODE>, <CODE>POST</CODE>, <CODE>PUT</CODE>,
+and <CODE>TRACE</CODE>) or for all request types (<CODE>ALL</CODE>). The
+request type names are case-sensitive for compatibility with Apache.
+
+<!-- NEED 3in -->
+<H3><A NAME="LimitExcept">LimitExcept</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+&lt;LimitExcept GET POST&gt;
+...
+&lt;/LimitExcept&gt;
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>LimitExcept</CODE> directive groups access control directives for
+specific types of HTTP requests and must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> section. Unlike the
+<A HREF="#Limit"><CODE>Limit</CODE></A> directive, <CODE>LimitExcept</CODE>
+restricts access for all requests <I>except</I> those listed on the
+<CODE>LimitExcept</CODE> line.
+
+<!-- NEED 3in -->
+<H3><A NAME="LimitRequestBody">LimitRequestBody</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+LimitRequestBody 10485760
+LimitRequestBody 10m
+LimitRequestBody 0
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>LimitRequestBody</CODE> directive controls the maximum size of
+print files, IPP requests, and HTML form data in HTTP POST requests. The
+default limit is 0 which disables the limit check.
+
+<P>Also see the identical
+<A HREF="#MaxRequestSize"><CODE>MaxRequestSize</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="Listen">Listen</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Listen 127.0.0.1:631
+Listen 192.0.2.1:631
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Listen</CODE> directive specifies a network address and port
+to listen for connections. Multiple <CODE>Listen</CODE> directives can be
+provided to listen on multiple addresses.
+
+<P>The <CODE>Listen</CODE> directive is similar to the
+<A HREF="#Port"><CODE>Port</CODE></A> directive but allows you to restrict
+access to specific interfaces or networks.
+
+<!-- NEED 3in -->
+<H3><A NAME="Location">Location</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+&lt;Location /&gt;
+...
+&lt;/Location&gt;
+
+&lt;Location /admin&gt;
+...
+&lt;/Location&gt;
+
+&lt;Location /printers/name&gt;
+...
+&lt;/Location&gt;
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Location</CODE> directive specifies access control and
+authentication options for the specified HTTP resource or path. More
+information can be found later in this chapter in
+<A HREF="#PRINTING_SECURITY">"Printing System Security"</A>.
+
+<!-- NEED 3in -->
+<H3><A NAME="LogLevel">LogLevel</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+LogLevel none
+LogLevel emerg
+LogLevel alert
+LogLevel crit
+LogLevel error
+LogLevel warn
+LogLevel notice
+LogLevel info
+LogLevel debug
+LogLevel debug2
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>LogLevel</CODE> directive specifies the level of logging
+for the <A HREF="#ErrorLog"><CODE>ErrorLog</CODE></A> file. The
+following values are recognized (each level logs everything under the
+preceding levels):
+
+<UL>
+
+	<LI><CODE>none</CODE> - Log nothing.
+
+	<LI><CODE>emerg</CODE> - Log emergency conditions that prevent the
+	server from running.
+
+	<LI><CODE>alert</CODE> - Log alerts that must be handled immediately.
+
+	<LI><CODE>crit</CODE> - Log critical errors that don't prevent
+	the server from running.
+
+	<LI><CODE>error</CODE> - Log general errors.
+
+	<LI><CODE>warn</CODE> - Log errors and warnings.
+
+	<LI><CODE>notice</CODE> - Log temporary error conditions.
+
+	<LI><CODE>info</CODE> - Log all requests and state changes (default).
+
+	<LI><CODE>debug</CODE> - Log basic debugging information.
+
+	<LI><CODE>debug2</CODE> - Log all debugging information.
+
+</UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxClients">MaxClients</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+MaxClients 100
+MaxClients 1024
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>MaxClients</CODE> directive controls the maximum number of
+simultaneous clients that will be allowed by the server. The default is
+100 clients.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Since each print job requires a file descriptor for the
+	status pipe, the CUPS server internally limits the
+	<CODE>MaxClients</CODE> value to 1/3 of the available file descriptors
+	to avoid possible problems when printing large numbers of jobs.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxJobs">MaxJobs</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+MaxJobs 100
+MaxJobs 9999
+MaxJobs 0
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>MaxJobs</CODE> directive controls the maximum number of jobs
+that are kept in memory. Once the number of jobs reaches the limit, the
+oldest completed job is automatically purged from the system to make room
+for the new one. If all of the known jobs are still pending or active then
+the new job will be rejected.
+
+<P>Setting the maximum to 0 disables this functionality. The default
+setting is 0.
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxJobsPerPrinter">MaxJobsPerPrinter</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+MaxJobsPerPrinter 100
+MaxJobsPerPrinter 9999
+MaxJobsPerPrinter 0
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>MaxJobsPerPrinter</CODE> directive controls the maximum number of active jobs
+that are allowed for each printer or class. Once a printer or class reaches the limit, new jobs will be
+rejected until one of the active jobs is completed, stopped, aborted, or cancelled.
+
+<P>Setting the maximum to 0 disables this functionality. The default
+setting is 0.
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxJobsPerUser">MaxJobsPerUser</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+MaxJobsPerUser 100
+MaxJobsPerUser 9999
+MaxJobsPerUser 0
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>MaxJobsPerUser</CODE> directive controls the maximum number of active jobs
+that are allowed for each user. Once a user reaches the limit, new jobs will be
+rejected until one of the active jobs is completed, stopped, aborted, or cancelled.
+
+<P>Setting the maximum to 0 disables this functionality. The default
+setting is 0.
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxLogSize">MaxLogSize</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+MaxLogSize 1048576
+MaxLogSize 1m
+MaxLogSize 0
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>MaxLogSize</CODE> directive controls the maximum size of each
+log file. Once a log file reaches or exceeds the maximum size it is closed
+and renamed to <VAR>filename.O</VAR>. This allows you to rotate the logs
+automatically. The default size is 1048576 bytes (1MB).
+
+<P>Setting the maximum size to 0 disables log rotation.
+
+<!-- NEED 3in -->
+<H3><A NAME="MaxRequestSize">MaxRequestSize</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+MaxRequestSize 10485760
+MaxRequestSize 10m
+MaxRequestSize 0
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>MaxRequestSize</CODE> directive controls the maximum size of
+print files, IPP requests, and HTML form data in HTTP POST requests. The
+default limit is 0 which disables the limit check.
+
+<P>Also see the identical
+<A HREF="#LimitRequestBody"><CODE>LimitRequestBody</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="Order">Order</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Order Allow,Deny
+Order Deny,Allow
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Order</CODE> directive defines the default access control.
+The following values are supported:
+
+<UL>
+
+	<LI><CODE>Allow,Deny</CODE> - Allow requests from all
+	systems <I>except</I> for those listed in a <CODE>Deny</CODE>
+	directive.
+
+	<LI><CODE>Deny,Allow</CODE> - Allow requests only from
+	those listed in an <CODE>Allow</CODE> directive.
+
+</UL>
+
+<P>The <CODE>Order</CODE> directive must appear inside a
+<A HREF="#Location"><CODE>Location</CODE></A> directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="PageLog">PageLog</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+PageLog /var/log/cups/page_log
+PageLog /var/log/cups/page_log-%s
+PageLog syslog
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>PageLog</CODE> directive sets the name of the page log
+file. If the filename is not absolute then it is assumed to be relative
+to the <A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory. The
+default page log file is <VAR>/var/log/cups/page_log</VAR>.
+
+<P>The server name can be included in the filename by using
+<CODE>%s</CODE> in the name.
+
+<P>The special name "syslog" can be used to send the page information
+to the system log instead of a plain file.
+
+<!-- NEED 3in -->
+<H3><A NAME="Port">Port</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Port 631
+Port 80
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Port</CODE> directive specifies a port to listen on.
+Multiple <CODE>Port</CODE> lines can be specified to listen on multiple
+ports. The default port is 631.
+
+<!-- NEED 3in -->
+<H3><A NAME="PreserveJobHistory">PreserveJobHistory</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+PreserveJobHistory On
+PreserveJobHistory Off
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>PreserveJobHistory</CODE> directive controls whether
+the history of completed, cancelled, or aborted print jobs is stored
+on disk.
+
+<P>A value of <CODE>On</CODE> (the default) preserves job information
+until the administrator purges it with the <CODE>cancel</CODE>
+command.
+
+<P>A value of <CODE>Off</CODE> removes the job information as soon as
+each job is completed, cancelled, or aborted.
+
+<!-- NEED 3in -->
+<H3><A NAME="PreserveJobFiles">PreserveJobFiles</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+PreserveJobFiles On
+PreserveJobFiles Off
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>PreserveJobFiles</CODE> directive controls whether the
+document files of completed, cancelled, or aborted print jobs are
+stored on disk.
+
+<P>A value of <CODE>On</CODE> preserves job files until the
+administrator purges them with the <CODE>cancel</CODE> command. Jobs
+can be restarted (and reprinted) as desired until they are purged.
+
+<P>A value of <CODE>Off</CODE> (the default) removes the job files as
+soon as each job is completed, cancelled, or aborted.
+
+<!-- NEED 3in -->
+<H3><A NAME="Printcap">Printcap</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Printcap
+Printcap /etc/printcap
+Printcap /etc/printers.conf
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Printcap</CODE> directive controls whether or not a
+printcap file is automatically generated and updated with a list
+of available printers. If specified with no value, then no
+printcap file will be generated. The default is to generate a
+file named <VAR>/etc/printcap</VAR>.
+
+<P>When a filename is specified (e.g. <VAR>/etc/printcap</VAR>), the
+printcap file is written whenever a printer is added or removed. The
+printcap file can then be used by applications that are hardcoded to
+look at the printcap file for the available printers.
+
+<!-- NEED 3in -->
+<H3><A NAME="PrintcapFormat">PrintcapFormat</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+PrintcapFormat BSD
+PrintcapFormat Solaris
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>PrintcapFormat</CODE> directive controls the output
+format of the printcap file. The default is to generate a BSD
+printcap file.
+
+<!-- NEED 3in -->
+<H3><A NAME="PrintcapGUI">PrintcapGUI</A></H3>
+<HR>
+
+<H4>Example</H4>
+
+<UL><PRE>
+PrintcapGUI /usr/bin/glpoptions
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>PrintcapGUI</CODE> directive sets the program to
+use when displaying an option panel from an IRIX application
+that uses the Impressario print API. The default program is the
+ESP Print Pro "glpoptions" GUI.
+
+<P>The program must accept the <CODE>-d</CODE> option to specify
+a printer and the <CODE>-o</CODE> option to specify one or more
+options. After allowing the user to select/change options, the
+program must then write the list of printing options without the
+<CODE>-o</CODE> to the standard output.
+
+<!-- NEED 3in -->
+<H3><A NAME="RemoteRoot">RemoteRoot</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+RemoteRoot remroot
+RemoteRoot root
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>RemoteRoot</CODE> directive sets the username for
+unauthenticated root requests from remote hosts. The default
+username is <VAR>remroot</VAR>. Setting <CODE>RemoteRoot</CODE>
+to <VAR>root</VAR> effectively disables this security mechanism.
+
+<!-- NEED 3in -->
+<H3><A NAME="RequestRoot">RequestRoot</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+RequestRoot /var/spool/cups
+RequestRoot /foo/bar/spool/cups
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>RequestRoot</CODE> directive sets the directory for
+incoming IPP requests and HTML forms. If an absolute path is not
+provided then it is assumed to be relative to the
+<A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory. The
+default request directory is <VAR>/var/spool/cups</VAR>.
+
+<!-- NEED 4in -->
+<H3><A NAME="Require">Require</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Require group foo bar
+Require user john mary
+Require valid-user
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Require</CODE> directive specifies that
+authentication is required for the resource. The
+<CODE>group</CODE> keyword specifies that the authenticated user
+must be a member of one or more of the named groups that follow.
+
+<P>The <CODE>user</CODE> keyboard specifies that the
+authenticated user must be one of the named users that follow.
+
+<P>The <CODE>valid-user</CODE> keyword specifies that any
+authenticated user may access the resource.
+
+<P>The default is to do no authentication. This directive must
+appear inside a <A HREF="#Location"><CODE>Location</CODE></A>
+directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="RIPCache">RIPCache</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+RIPCache 8m
+RIPCache 1g
+RIPCache 2048k
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>RIPCache</CODE> directive sets the size of the memory
+cache used by Raster Image Processor ("RIP") filters such as
+<CODE>imagetoraster</CODE> and <CODE>pstoraster</CODE>. The size can
+be suffixed with a "k" for kilobytes, "m" for megabytes, or
+"g" for gigabytes. The default cache size is "8m", or 8 megabytes.
+
+<!-- NEED 3in -->
+<H3><A NAME="RunAsUser">RunAsUser</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+RunAsUser Yes
+RunAsUser No
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>RunAsUser</CODE> directive controls whether the
+scheduler runs as the unpriviledged user account (usually <CODE>lp</CODE>).
+The default is <CODE>No</CODE> which leaves the scheduler running as
+the <CODE>root</CODE> user.
+
+<P><B>Note:</B> Running as a non-priviledged user may prevent
+LPD and locally connected printers from working due to
+permission problems. The <CODE>lpd</CODE> backend will
+automatically use a non-priviledged mode that is not 100%
+compliant with RFC 1179. The <CODE>parallel</CODE>,
+<CODE>serial</CODE>, and <CODE>usb</CODE> backends will need
+write access to the corresponding device files.
+
+<!-- NEED 3in -->
+<H3><A NAME="Satisfy">Satisfy</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Satisfy all
+Satisfy any
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Satisfy</CODE> directive specifies whether all
+conditions must be satisfied to allow access to the resource. If
+set to <CODE>all</CODE>, then all authentication and access
+control conditions must be satified to allow access.
+
+<P>Setting <CODE>Satisfy</CODE> to <CODE>any</CODE> allows a user to
+gain access if the authentication or access control requirements are
+satisfied. For example, you might require authentication for remote
+access, but allow local access without authentication.
+
+<P>The default is <CODE>all</CODE>. This directive must appear
+inside a <A HREF="#Location"><CODE>Location</CODE></A>
+directive.
+
+<!-- NEED 3in -->
+<H3><A NAME="ServerAdmin">ServerAdmin</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ServerAdmin user@host
+ServerAdmin root@foo.bar.com
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ServerAdmin</CODE> directive identifies the email address for the
+administrator on the system. By default the administrator email address is
+<CODE>root@server</CODE>, where <CODE>server</CODE> is the server name.
+
+<!-- NEED 3in -->
+<H3><A NAME="ServerBin">ServerBin</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ServerBin /usr/lib/cups
+ServerBin /foo/bar/lib/cups
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ServerBin</CODE> directive sets the directory for
+server-run executables. If an absolute path is not provided then it is
+assumed to be relative to the
+<A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directory. The
+default executable directory is <VAR>/usr/lib/cups</VAR>.
+
+<!-- NEED 3in -->
+<H3><A NAME="ServerCertificate">ServerCertificate</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ServerCertificate /etc/cups/ssl/server.crt
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ServerCertificate</CODE> directive specifies the
+location of the SSL certificate file used by the server when
+negotiating encrypted connections. The certificate must not be
+encrypted (password protected) since the scheduler normally runs
+in the background and will be unable to ask for a password.
+The default certificate file is <VAR>/etc/cups/ssl/server.crt</VAR>.
+
+<!-- NEED 3in -->
+<H3><A NAME="ServerKey">ServerKey</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ServerKey /etc/cups/ssl/server.key
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ServerKey</CODE> directive specifies the location
+of the SSL private key file used by the server when negotiating
+encrypted connections. The default key file is
+<VAR>/etc/cups/ssl/server.crt</VAR>.
+
+<!-- NEED 3in -->
+<H3><A NAME="ServerName"></A>ServerName</H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ServerName foo.domain.com
+ServerName myserver.domain.com
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ServerName</CODE> directive specifies the hostname that is
+reported to clients. By default the server name is the hostname.
+
+<!-- NEED 3in -->
+<H3><A NAME="ServerRoot">ServerRoot</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+ServerRoot /etc/cups
+ServerRoot /foo/bar/cups
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>ServerRoot</CODE> directive specifies the absolute path to
+the server configuration and state files. It is also used to resolve
+relative paths in the <VAR>cupsd.conf</VAR> file. The default server
+directory is <VAR>/etc/cups</VAR>.
+
+<!-- NEED 3in -->
+<H3><A NAME="SSLListen">SSLListen</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+SSLListen 127.0.0.1:443
+SSLListen 192.0.2.1:443
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>SSLListen</CODE> directive specifies a network
+address and port to listen for secure connections. Multiple
+<CODE>SSLListen</CODE> directives can be provided to listen on
+multiple addresses.
+
+<P>The <CODE>SSLListen</CODE> directive is similar to the
+<A HREF="#SSLPort"><CODE>SSLPort</CODE></A> directive but allows
+you to restrict access to specific interfaces or networks.
+
+<!-- NEED 3in -->
+<H3><A NAME="SSLPort">SSLPort</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+SSLPort 443
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>SSLPort</CODE> directive specifies a port to listen
+on for secure connections. Multiple <CODE>SSLPort</CODE> lines
+can be specified to listen on multiple ports.
+
+<!-- NEED 3in -->
+<H3><A NAME="SystemGroup">SystemGroup</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+SystemGroup sys
+SystemGroup system
+SystemGroup root
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>SystemGroup</CODE> directive specifies the system
+administration group for <CODE>System</CODE> authentication. More
+information can be found later in this chapter in
+<A HREF="#PRINTING_SECURITY">"Printing System Security"</A>.
+
+<!-- NEED 3in -->
+<H3><A NAME="TempDir">TempDir</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+TempDir /var/tmp
+TempDir /foo/bar/tmp
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>TempDir</CODE> directive specifies an absolute path for
+the directory to use for temporary files. The default directory is
+<VAR>/var/tmp</VAR>.
+
+<P>Temporary directories must be world-writable and should have the
+"sticky" permission bit enabled so that other users cannot delete
+filter temporary files. The following commands will create an
+appropriate temporary directory called <VAR>/foo/bar/tmp</VAR>:
+
+<UL><PRE>
+<B>mkdir /foo/bar/tmp ENTER</B>
+<B>chmod a+rwxt /foo/bar/tmp ENTER</B>
+</PRE></UL>
+
+<!-- NEED 3in -->
+<H3><A NAME="Timeout">Timeout</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+Timeout 300
+Timeout 90
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>Timeout</CODE> directive controls the amount of time to
+wait before an active HTTP or IPP request times out. The default
+timeout is 300 seconds.
+
+<!-- NEED 3in -->
+<H3><A NAME="User">User</A></H3>
+<HR>
+
+<H4>Examples</H4>
+
+<UL><PRE>
+User lp
+User guest
+</PRE></UL>
+
+<H4>Description</H4>
+
+<P>The <CODE>User</CODE> directive specifies the UNIX user that
+filter and CGI programs run as. The default user is <CODE>lp</CODE>.
+
+<!-- NEW PAGE -->
+<H2><A NAME="PRINTING_SECURITY">Printing System Security</A></H2>
+
+<P>CUPS provides support for address, certificate, and password (Basic
+and Digest) based authentication and access control. Certificate and
+password authentication provide ways to limit access to individual
+people or groups.
+
+<P>Address based access control allows you to limit access to specific
+systems, networks, or domains. While this does not provide authentication,
+it does allow you to limit the potential users of your system efficiently.
+
+<P>CUPS maintains a list of locations that have access control and/or
+authentication enabled. Locations are specified using the
+<A HREF="#Location"><CODE>Location</CODE></A> directive:
+
+<UL><PRE>
+&lt;Location /resource&gt;
+<A HREF="#AuthClass">AuthClass</A> ...
+<A HREF="#AuthGroupName">AuthGroupName</A> ...
+<A HREF="#AuthType">AuthType</A> ...
+
+<A HREF="#Order">Order</A> ...
+<A HREF="#Allow">Allow</A> from ...
+<A HREF="#Deny">Deny</A> from ...
+&lt;/Location&gt;
+</PRE></UL>
+
+<P>Locations generally follow the directory structure of the
+<A HREF="#DocumentRoot"><CODE>DocumentRoot</CODE></A> directory, however
+CUPS does have several virtual locations for administration, classes, jobs,
+and printers:
+
+<CENTER><TABLE BORDER="1">
+<TR>
+	<TH>Location</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>/admin</TD>
+	<TD>The path for all administration operations.</TD>
+</TR>
+<TR>
+	<TD>/classes</TD>
+	<TD>The path for all classes.</TD>
+</TR>
+<TR>
+	<TD>/classes/name</TD>
+	<TD>The resource for class <CODE>name</CODE>.</TD>
+</TR>
+<TR>
+	<TD>/jobs</TD>
+	<TD>The path for all jobs.</TD>
+</TR>
+<TR>
+	<TD>/jobs/id</TD>
+	<TD>The resource for job <CODE>id</CODE>.</TD>
+</TR>
+<TR>
+	<TD>/printers</TD>
+	<TD>The path for all printers.</TD>
+</TR>
+<TR>
+	<TD>/printers/name</TD>
+	<TD>The path for printer <CODE>name</CODE>.</TD>
+</TR>
+<TR>
+	<TD>/printers/name.ppd</TD>
+	<TD>The PPD file path for printer <CODE>name</CODE>.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3><A NAME="CERTIFICATES">Authentication Using Certificates</A></H3>
+
+<P>CUPS supports a local certificate-based authentication scheme that
+can be used in place of <CODE>Basic</CODE> or <CODE>Digest</CODE>
+authentication by clients connecting through the <CODE>localhost</CODE>
+interface. Certificate authentication is not supported or allowed from
+clients on any other interface.
+
+<P>Certificates are 128-bit random numbers that refer to an internal
+authentication record in the server. A client connecting via the
+<CODE>localhost</CODE> interface sends a request with an
+authorization header of:
+
+<UL><PRE>
+Authorization: Local 0123456789ABCDEF0123456789ABCDEF
+</PRE></UL>
+
+<P>The server then looks up the local certificate and authenticates
+using the username associated with it.
+
+<P>Certificates are generated by the server automatically and stored in
+the <VAR>/etc/cups/certs</VAR> directory using the process ID of the
+CGI program started by the server. Certificate files are only readable
+by the <A HREF="#User"><CODE>User</CODE></A> and
+<A HREF="#Group"><CODE>Group</CODE></A> defined in the
+<VAR>cupsd.conf</VAR> file. When the CGI program ends the certificate
+is removed and invalidated automatically.
+
+<P>The special file <VAR>/etc/cups/certs/0</VAR> defines the <I>root
+certificate</I> which can be used by any client running as the super-user
+or another user that is part of the group defined by the
+<A HREF="#SystemGroup"><CODE>SystemGroup</CODE></A> directive. The
+root certificate is automatically regenerated every 5 minutes.
+
+<H3>Using Basic Authentication</H3>
+
+<P>Basic authentication uses UNIX users and passwords to authenticate
+access to resources such as printers and classes, and to limit access
+to administrative functions.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Basic authentication sends the username and password Base64
+	encoded from the client to the server, so it offers no
+	protection against eavesdropping. This means that a malicious
+	user can monitor network packets and discover valid users and
+	passwords that could result in a serious compromise in network
+	security. Use Basic authentication with extreme care.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>The CUPS implementation of Basic authentication does not allow access
+through user accounts without a password. If you try to authenticate
+using an account without a password, your access will be immediately
+blocked.
+
+<P>Once a valid username and password is authenticated by CUPS, any
+additional group membership requirements are checked.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>The root user is considered by CUPS to be a member of every
+	group.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 1in -->
+<P>Use the <CODE>AuthType</CODE> directive to enable Basic authentication:
+
+<UL><PRE>
+AuthType Basic
+</PRE></UL>
+
+<!-- NEED 7in -->
+<H3>Using Digest Authentication</H3>
+
+<P>Digest authentication uses users and passwords defined in the
+<VAR>/etc/cups/passwd.md5</VAR> file to authenticate access to
+resources such as printers and classes, and to limit access to
+administrative functions.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Unlike Basic authentication, Digest passes the MD5 sum
+	(basically a complicated checksum) of the username and password
+	instead of the strings themselves. Also, Digest authentication
+	does not use the UNIX password file, so if an attacker does
+	discover the original password it is less likely to result in a
+	serious security problem so long as you use a different UNIX
+	password than the corresponding Digest password.
+
+	<P>The current CUPS implementation of Digest authentication
+	uses the client's hostname or IP address for the "nonce" value.
+	The nonce value is an additional string added to the username
+	and password to make guessing the password more difficult. The
+	server checks that the nonce value matches the client's hostname
+	or address and rejects the MD5 sum if it doesn't.  Future versions
+	of CUPS will support Digest "session" authentication which adds
+	the request data to the MD5 sum, providing even better
+	authentication and security.
+
+	<P>Digest authentication does not guarantee that an attacker
+	cannot gain unauthorized access, but it is safer than Basic
+	authentication and should be used in place of Basic
+	authentication whenever possible. <B>Support for Digest
+	authentication in web browsers is not yet universally
+	available.</B>
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 2in -->
+<P>The <CODE>lppasswd(1)</CODE> command is used to add, change, or
+remove accounts from the <VAR>passwd.md5</VAR> file. To add a
+user to the default system group, type:
+
+<UL><PRE>
+<B>lppasswd -a user ENTER</B>
+Password: <B>(password) ENTER</B> [password is not echoed]
+Password again: <B>(password) ENTER</B> [password is not echoed]
+</PRE></UL>
+
+<!-- NEED 2in -->
+<P>Once added, a user can change his/her password by typing:
+
+<UL><PRE>
+<B>lppasswd ENTER</B>
+Old password: <B>(password) ENTER</B> [password is not echoed]
+Password: <B>(password) ENTER</B> [password is not echoed]
+Password again: <B>(password) ENTER</B> [password is not echoed]
+</PRE></UL>
+
+<!-- NEED 1in -->
+<P>To remove a user from the password file, type:
+
+<UL><PRE>
+<B>lppasswd -x user ENTER</B>
+</PRE></UL>
+
+<P>Once a valid username and password is authenticated by CUPS, any
+additional group membership requirements are checked.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>The root user is considered by CUPS to be a member of every
+	group.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>Use the <CODE>AuthType</CODE> directive to enable Digest authentication:
+
+<UL><PRE>
+AuthType Digest
+</PRE></UL>
+
+<H3>System and Group Authentication</H3>
+
+<P>The <A HREF="#AuthClass"><CODE>AuthClass</CODE></A> directive controls
+the level of authentication to perform. <CODE>System</CODE> and
+<CODE>Group</CODE> authentication extend the normal user-based authentication
+to require membership in a UNIX group. For <CODE>System</CODE> authentication
+each user must belong to the <CODE>sys</CODE>, <CODE>system</CODE>, or
+<CODE>root</CODE> group; the actual group depends on the operating system.
+
+<P>For <CODE>Group</CODE> authentication each user must belong to the
+group named by the <A HREF="#AuthGroupName"><CODE>AuthGroupName</CODE></A>
+directive:
+
+<UL><PRE>
+&lt;Location /path&gt;
+AuthType Digest
+AuthClass Group
+AuthGroupName mygroup
+&lt;/Location&gt;
+</PRE></UL>
+
+<P>The named group must be a valid UNIX user group, usually defined in the
+<VAR>/etc/group</VAR> or <VAR>/etc/netgroup</VAR> files. Additionally, when
+using Digest authentication you need to create user accounts with the named
+group:
+
+<UL><PRE>
+<B>lppasswd -g mygroup -a user ENTER</B>
+Password: <B>(password) ENTER</B> [password is not echoed]
+Password again: <B>(password) ENTER</B> [password is not echoed]
+</PRE></UL>
+
+<!-- NEW PAGE -->
+<H2><A NAME="PRINTER_ACCOUNTING">Printer Accounting</A></H2>
+
+<P>ESP Print Pro maintains a log of all accesses, errors, and
+pages that are printed. The log files are normally stored in the
+<VAR>/var/log/cups</VAR> directory. You can change this by
+editing the <VAR>/etc/cups/cupsd.conf</VAR> configuration file.
+
+<H3>The access_log File</H3>
+
+<P>The <VAR>access_log</VAR> file lists each HTTP resource that is accessed
+by a web browser or CUPS/IPP client. Each line is in the so-called "Common
+Log Format" used by many web servers and web reporting tools:
+
+<UL><PRE>
+host group user date-time \"method resource version\" status bytes
+
+127.0.0.1 - - [20/May/1999:19:20:29 +0000] "POST /admin/ HTTP/1.1" 401 0
+127.0.0.1 - mike [20/May/1999:19:20:31 +0000] "POST /admin/ HTTP/1.1" 200 0
+</PRE></UL>
+
+<P>The <I>host</I> field will normally only be an IP address unless you
+have enabled the <A HREF="#HostNameLookups"><CODE>HostNameLookups</CODE></A>
+directive in the <VAR>cupsd.conf</VAR> file.
+
+<P>The <I>group</I> field always contains "-" in CUPS.
+
+<P>The <I>user</I> field is the authenticated username of the requesting user.
+If no username and password is supplied for the request then this field
+contains "-".
+
+<P>The <I>date-time</I> field is the date and time of the request in local time
+and is in the format:
+
+<UL><PRE>
+[DD/MON/YYYY:HH:MM:SS +ZZZZ]
+</PRE></UL>
+
+<P>where <I>ZZZZ</I> is the timezone offset in hours and minutes from Greenwich
+Mean Time (a.k.a. GMT a.k.a. ZULU.)
+
+<P>The <I>method</I> field is the HTTP method used ("GET", "PUT", "POST", etc.)
+
+<P>The <I>resource</I> field is the filename of the requested resource.
+
+<P>The <I>version</I> field is the HTTP specification version used by the
+client. For CUPS clients this will always be "HTTP/1.1".
+
+<P>The <I>status</I> field contains the HTTP result status of the
+request. Usually it is "200", but other HTTP status codes are possible.
+For example, 401 is the "unauthorized access" status in the example
+above.
+
+<P>The <I>bytes</I> field contains the number of bytes in the request.
+For POST requests the <I>bytes</I> field contains the number of bytes
+that was received from the client.
+
+<H3>The error_log File</H3>
+
+<P>The <VAR>error_log</VAR> file lists messages from the scheduler (errors,
+warnings, etc.):
+
+<UL><PRE>
+level date-time message
+
+I [20/May/1999:19:18:28 +0000] Job 1 queued on 'DeskJet' by 'mike'.
+I [20/May/1999:19:21:02 +0000] Job 2 queued on 'DeskJet' by 'mike'.
+I [20/May/1999:19:22:24 +0000] Job 2 was cancelled by 'mike'.
+</PRE></UL>
+
+<P>The <I>level</I> field contains the type of message:
+
+<UL>
+
+	<LI><CODE>E</CODE> - An error occurred.
+
+	<LI><CODE>W</CODE> - The server was unable to perform some action.
+
+	<LI><CODE>I</CODE> - Informational message.
+
+	<LI><CODE>D</CODE> - Debugging message.
+
+</UL>
+
+<P>The <I>date-time</I> field contains the date and time of when the page
+started printing. The format of this field is identical to the <I>data-time</I>
+field in the <VAR>access_log</VAR> file.
+
+<P>The <I>message</I> fields contains a free-form textual message.
+
+<H3>The page_log File</H3>
+
+<P>The <VAR>page_log</VAR> file lists each page that is sent to a printer.
+Each line contains the following information:
+
+<UL><PRE>
+printer user job-id date-time page-number num-copies job-billing
+
+DeskJet root 2 [20/May/1999:19:21:05 +0000] 1 0 acme-123
+</PRE></UL>
+
+<P>The <I>printer</I> field contains the name of the printer that
+printed the page. If you send a job to a printer class, this field will
+contain the name of the printer that was assigned the job.
+
+<P>The <I>user</I> field contains the name of the user (the IPP
+<CODE>requesting-user-name</CODE> attribute) that submitted this file for
+printing.
+
+<P>The <I>job-id</I> field contains the job number of the page being printed.
+Job numbers are reset to 1 whenever the CUPS server is started, so don't depend
+on this number being unique!
+
+<P>The <I>date-time</I> field contains the date and time of when the page
+started printing. The format of this field is identical to the <I>data-time</I>
+field in the <VAR>access_log</VAR> file.
+
+<P>The <I>page-number</I> and <I>num-pages</I> fields contain the page number
+and number of copies being printed of that page. For printer that can not
+produce copies on their own, the <I>num-pages</I> field will always be 1.
+
+<P>The <I>job-billing</I> field contains a copy of the
+<CODE>job-billing</CODE> attribute provided with the IPP
+<CODE>create-job</CODE> or <CODE>print-job</CODE> requests or "-" if none
+was provided.
+
+<!-- NEW PAGE -->
+<H2><A NAME="FILE_TYPING_FILTERING">File Typing and Filtering</A></H2>
+
+<P>CUPS provides a MIME-based file typing and filtering mechanism to
+convert files to a printable format for each printer. On startup the
+CUPS server reads MIME database files from the <VAR>/etc/cups</VAR>
+directory (or a directory specified by the
+<A HREF="#ServerRoot"><CODE>ServerRoot</CODE></A> directive) to build
+a file type and conversion database in memory. These database files are
+plain ASCII text and can be edited with your favorite text editor.
+
+<P>The <VAR>mime.types</VAR> and <VAR>mime.convs</VAR> files define the
+standard file types and filters that are available on the system.
+
+<H3>mime.types</H3>
+
+<P>The <VAR>mime.types</VAR> file defines the known file types. Each line
+of the file starts with the MIME type and may be followed by one or
+more file type recognition rules. For example, the
+<CODE>text/html</CODE> file type is defined as:
+
+<UL><PRE>
+text/html       html htm \
+                printable(0,1024) + \
+                (string(0,"&lt;HTML&gt;") string(0,"&lt;!DOCTYPE"))
+</PRE></UL>
+
+<P>The first two rules say that any file with an extension of
+<VAR>.html</VAR> or <VAR>.htm</VAR> is a HTML file. The third rule
+says that any file whose first 1024 characters are printable text and
+starts with the strings <CODE>&lt;HTML&gt;</CODE> or
+<CODE>&lt;!DOCTYPE</CODE> is a HTML file as well.
+
+<P>The first two rules deal solely with the name of the file being
+typed. This is useful when the original filename is known, however for
+print files the server doesn't have a filename to work with. The third
+rule takes care of this possibility and automatically figures out the
+file type based upon the contents of the file instead.
+
+<P>The available tests are:
+
+<UL>
+
+	<LI><CODE>( expr )</CODE> - Parenthesis for expression grouping
+
+	<LI><CODE>+</CODE> - Logical AND
+
+	<LI><CODE>,</CODE> or whitespace - Logical OR
+
+	<LI><CODE>!</CODE> - Logical NOT
+
+	<LI><CODE>match("pattern")</CODE> - Pattern match on filename
+
+	<LI><CODE>extension</CODE> - Pattern match on "*.extension"
+
+	<LI><CODE>ascii(offset,length)</CODE> - True if bytes are valid
+	printable ASCII (CR, NL, TAB, BS, 32-126)
+
+	<LI><CODE>printable(offset,length)</CODE> - True if bytes are
+	printable 8-bit chars (CR, NL, TAB, BS, 32-126, 160-254)
+
+	<LI><CODE>string(offset,"string")</CODE> - True if bytes are
+	identical to string
+
+	<LI><CODE>contains(offset,range,"string")</CODE> - True if the
+	range of bytes contains the string
+
+	<LI><CODE>char(offset,value)</CODE> - True if byte is identical
+
+	<LI><CODE>short(offset,value)</CODE> - True if 16-bit integer
+	is identical (network or "big-endian" byte order)
+
+	<LI><CODE>int(offset,value)</CODE> - True if 32-bit integer is
+	identical (network or "big-endian" byte order)
+
+	<LI><CODE>locale("string")</CODE> - True if current locale
+	matches string
+
+</UL>
+
+<P>All numeric values can be in decimal (123), octal (0123), or hexadecimal
+(0x123) as desired.
+
+<!-- NEED 2.5in -->
+<P>Strings can be in quotes, all by themselves, as a string
+of hexadecimal values, or some combination:
+
+<UL><PRE>
+"string"
+'string'
+string
+&lt;737472696e67&gt;
+&lt;7374&gt;ring
+</PRE></UL>
+
+<P>As shown in the <CODE>text/html</CODE> example, rules can continue on
+multiple lines using the backslash (\) character. A more complex example is
+the <CODE>image/jpeg</CODE> rules:
+
+<UL><PRE>
+image/jpeg      jpeg jpg jpe string(0,&lt;FFD8FF&gt;) &amp;&amp;\
+                (char(3,0xe0) char(3,0xe1) char(3,0xe2) char(3,0xe3)\
+                 char(3,0xe4) char(3,0xe5) char(3,0xe6) char(3,0xe7)\
+                 char(3,0xe8) char(3,0xe9) char(3,0xea) char(3,0xeb)\
+                 char(3,0xec) char(3,0xed) char(3,0xee) char(3,0xef))
+</PRE></UL>
+
+<P>This rule states that any file with an extension of
+<VAR>.jpeg</VAR>, <VAR>.jpg</VAR>, or <VAR>.jpe</VAR> is a JPEG file.
+In addition, any file starting with the hexadecimal string
+<CODE>&lt;FFD8FF&gt;</CODE> (JPEG Start-Of-Image) followed by a
+character between and including <CODE>0xe0</CODE> and <CODE>0xef</CODE>
+(JPEG APPn markers) is also a JPEG file.
+
+<H3>mime.convs</A></H3>
+
+<P>The <VAR>mime.convs</VAR> file defines all of the filter programs that
+are known to the system. Each line consists of:
+
+<UL><PRE>
+source destination cost program
+
+text/plain application/postscript 50 texttops
+application/vnd.cups-postscript application/vnd.cups-raster 50 pstoraster
+image/* application/vnd.cups-postscript 50 imagetops
+image/* application/vnd.cups-raster 50 imagetoraster
+</PRE></UL>
+
+<P>The <I>source</I> field is a MIME type, optionally using a wildcard for
+the super-type or sub-type (e.g. "text/plain", "image/*", "*/postscript").
+
+<P>The <I>destination</I> field is a MIME type defined in the
+<VAR>mime.types</VAR> file.
+
+<P>The <I>cost</I> field defines a relative cost for the filtering
+operation from 1 to 100. The cost is used to choose between two
+different sets of filters when converting a file. For example, to convert
+from <CODE>image/jpeg</CODE> to <CODE>application/vnd.cups-raster</CODE>,
+you could use the <CODE>imagetops</CODE> and <CODE>pstoraster</CODE>
+filters for a total cost of 100, or the <CODE>imagetoraster</CODE> filter
+for a total cost of 50.
+
+<P>The <I>program</I> field defines the filter program to run; the
+special program "-" can be used to make two file types equivalent. The
+program must accept the standard filter arguments and environment
+variables described in the CUPS Interface Design Description and CUPS
+Software Programmers Manual:
+
+<UL><PRE>
+program job user title options [filename]
+</PRE></UL>
+
+<P>If specified, the <I>filename</I> argument defines a file to read
+when filtering, otherwise the filter must read from the standard input.
+All filtered output must go to the standard output.
+
+<!-- NEED 4in -->
+<H3>Adding Filetypes and Filters</H3>
+
+<P>Adding a new file type or filter is fairly straight-forward. Rather
+than adding the new type and filter to the <VAR>mime.types</VAR> and
+<VAR>mime.convs</VAR> files which are overwritten when you upgrade to a
+new version of CUPS, you simple need to create new files with
+<VAR>.types</VAR> and <VAR>.convs</VAR> extensions in the
+<VAR>/etc/cups</VAR> directory. We recommend that you use the product
+or format name, e.g.:
+
+<UL><PRE>
+myproduct.types
+myproduct.convs
+</PRE></UL>
+
+<P>If you are providing a filter for a common file format or printer,
+add the company or author name:
+
+<UL><PRE>
+acme-msword.types
+acme.msword.convs
+</PRE></UL>
+
+<P>This will help to prevent name collisions if you install many
+different file types and filters.
+
+<P>Once you choose the names for these files, create them using your
+favorite text editor as described earlier in this chapter.  Once you
+have created the files, restart the <CODE>cupsd</CODE> process as
+described earlier in <A HREF="#RESTARTING">"Restarting the CUPS Server"</A>.
+
+<H3>Printer Drivers and PPD Files</H3>
+
+<P>Most CUPS printer drivers utilize one or more printer-specific filters
+and a PPD file for each printer model. Printer driver filters are registered
+via the PPD file using <CODE>cupsFilter</CODE> attributes:
+
+<UL><PRE>
+*cupsFilter: "application/vnd.cups-raster 0 rastertohp"
+</PRE></UL>
+
+<P>The filter is specified using the source file type only; the destination
+file type is assumed to be <CODE>printer/name</CODE> - suitable for sending
+to the printer.
+
+<H3>Writing Your Own Filter or Printer Driver</H3>
+
+<P>CUPS supports an unlimited number of file formats and filters, and can
+handle any printer. If you'd like to write a filter or printer driver for
+your favorite file format or printer, consult the CUPS Software Programmers
+Manual for step-by-step instructions.
+
+
+<H1 ALIGN="RIGHT"><A NAME="PRINTING_OTHER">7 - Printing with Other Systems</A></H1>
+
+<P>This chapter describes how to print from client systems that use the
+LPD, Mac OS, or Windows printing protocols.
+
+<H2>The Basics</H2>
+
+<P>CUPS is based on the IPP protocol, so any system that supports IPP
+can send jobs to and receive jobs from CUPS automatically. However, not
+all systems support IPP yet. This chapter will show you how to connect
+these systems to your CUPS server, either to accept jobs from your
+server for printing, or to send jobs to your server.
+
+<H2>Printing from LPD Clients</H2>
+
+<P>CUPS supports limited functionality for LPD-based clients. With LPD you can
+print files to specific printers, list the queue status, and so forth. However,
+the automatic client configuration and printer options are not supported by
+the LPD protocol, so you must manually configure each client for the printers
+it needs to access.
+
+<P>The <CODE>cups-lpd(8)</CODE> program provides support for LPD clients.
+To enable LPD support on your server, edit the <VAR>/etc/inetd.conf</VAR>
+file and add a line reading:
+
+<UL><PRE>
+printer stream tcp nowait lp /usr/lib/cups/daemon/cups-lpd cups-lpd
+</PRE></UL>
+
+<P>The path to the <CODE>cups-lpd</CODE> may vary depending on your
+installation.
+
+<P>Once you have added this line, send the <CODE>inetd(8)</CODE> process
+a <CODE>HUP</CODE> signal or reboot the system:
+
+<UL><PRE>
+<B>killall -HUP inetd ENTER</B> [IRIX and some versions of Linux]
+<B>kill -HUP <I>pid</I> ENTER [Others]</B>
+<B>reboot ENTER [For all systems if the HUP signal fails]</B>
+</PRE></UL>
+
+<H2>Printing to LPD Servers</H2>
+
+<P>CUPS provides the <CODE>lpd</CODE> backend for printing to LPD-based
+servers and printers. Use a device URI of <CODE>lpd://server/name</CODE>
+to print to a printer on an LPD server, where <CODE>server</CODE>
+is the hostname or IP address of the server and <CODE>name</CODE> is
+the queue name.
+
+<P>Microsoft Windows NT provides an LPD service under the name "TCP/IP
+Printing Services". To enable LPD printing on NT, open the "Services"
+control panel, select the "TCP/IP Printing Services" service, and click
+on the "Start" button. Any shared printer will then be available via
+the LPD protocol.
+
+<H2>Printing from Mac OS Clients</H2>
+
+<P>CUPS does not provide Mac OS support directly. However, there are several
+free and commercial software packages that do.
+
+<H3>Columbia Appletalk Package (CAP)</H3>
+
+<P>Because the CAP LaserWriter server (<CODE>lwsrv(8)</CODE>) does
+not support specification of PPD files, we do not recommend that you
+use CAP with CUPS. However, you can run the <CODE>lpsrv</CODE> program
+for limited printing with the command:
+
+<UL><PRE>
+lwsrv -n "<I>Name</I>" -p <I>printer</I> -a /usr/lib/adicts -f /usr/lib/LW+Fonts
+</PRE></UL>
+
+<P>where <CODE>Name</CODE> is the name you want to use when sharing the
+printer, and <CODE>printer</CODE> is the name of the CUPS print queue.
+
+<!-- NEED 3in -->
+<H3>XINET KA/Spool</H3>
+
+<P>To use your system as a print server for Mac OS clients,
+configure each printer using a <CODE>papserver(8)</CODE> in the
+<VAR>/usr/adm/appletalk/services</VAR> file, specifying the
+corresponding PPD file in the <VAR>/etc/cups/ppd</VAR> directory for
+each printer.  For a printer named <CODE>MyPrinter</CODE> the entry
+would look like:
+
+<UL><PRE>
+/usr/etc/appletalk/papserver -I -L -P /etc/cups/ppd/MyPrinter.ppd \
+"Printer Description" MyPrinter
+</PRE></UL>
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Enter the text above on a single line without the backslash (\)
+	character.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>NetATalk</H3>
+
+<P>To use your system as a print server for Mac OS clients,
+configure each printer in the <VAR>papd.conf</VAR> file, specifying the
+corresponding PPD file in the <VAR>/etc/cups/ppd</VAR> directory for
+each printer. For a printer named <CODE>MyPrinter</CODE> the entry
+would look like:
+
+<UL><PRE>
+Printer Description:MyPrinter@MyServer:\
+        :pr=|/usr/bin/lp -d MyPrinter:\
+        :op=daemon:\
+        :pd=/etc/cups/ppd/MyPrinter.ppd:
+</PRE></UL>
+
+<!-- NEED 2in -->
+
+<H2>Printing to Mac OS Servers</H2>
+
+<P>CUPS currently does not provide a backend to communicate with a Mac OS
+server. However, you can write and install a short shell script
+in the <VAR>/usr/lib/cups/backend</VAR> directory that sends a print file
+using the appropriate command. The following is a short script that will
+run the <CODE>papif</CODE> command provided with CAP.
+
+<P>After copying this script to <VAR>/usr/lib/cups/backend/cap</VAR>,
+specify a device URI of <CODE>cap://server/printer</CODE> to use this
+backend with a print queue.
+
+<!-- NEED 8in -->
+<UL>
+<PRE>
+<I>"/usr/lib/cups/backend/cap"</I>
+#!/bin/sh
+#
+# Usage: cap job user title copies options [filename]
+#
+
+# No arguments means show available devices...
+
+if test ${#argv} = 0; then
+	echo "network cap \"Unknown\" \"Mac OS Printer via CAP\""
+	exit 0
+fi
+
+# Collect arguments...
+
+user=$2
+copies=$4
+
+if test ${#argv} = 5; then
+	# Get print file from stdin; copies have already been handled...
+	file=/var/tmp/$$.prn
+	copies=1
+	cat &gt; $file
+else
+	# Print file is on command-line...
+	file=$6
+fi
+
+# Create a dummy cap.printers file for this printer based
+# upon a device URI of "cap://server/printer"...
+
+echo $PRINTER/$DEVICE_URI | \
+	awk -F/ '{print $1 "=" $5 ":LaserWriter@" $4}' &gt; /var/tmp/$$.cap
+
+CAPPRINTERS=/var/tmp/$$.cap; export CAPPRINTERS
+
+# Send the file to the printer, once for each copy. This assumes that you
+# have properly initialized the cap.printers file...
+
+while [ $copies -gt 0 ]; do
+	papif -n $user &lt; $file
+
+        copies=`expr $copies - 1`
+done
+
+# Remove any temporary files...
+if test ${#argv} = 5; then
+	/bin/rm -f $file
+fi
+
+/bin/rm -f /var/tmp/$$.cap
+
+exit 0
+</PRE></UL>
+
+<!-- NEED 2in -->
+<H2>Printing from Windows Clients</H2>
+
+<P>While CUPS does not provide Windows support directly, the free
+SAMBA software package does. SAMBA version 2.0.6 is the first release
+of SAMBA that supports CUPS. You can download SAMBA from:
+
+<UL><PRE>
+<A HREF="http://www.samba.org">http://www.samba.org</A>
+</PRE></UL>
+
+<P>To configure SAMBA for CUPS, edit the <VAR>smb.conf</VAR> file and
+replace the existing printing commands and options with the line:
+
+<UL><PRE>
+printing = cups
+printcap name = cups
+</PRE></UL>
+
+<P>That's all there is to it!  Remote users will now be able to browse and
+print to printers on your system.
+
+<H3>Exporting Printer Drivers</H3>
+
+<P>You can optionally export printer drivers from your CUPS
+server using the <CODE>cupsaddsmb</CODE> command and the SAMBA
+2.2.0 or higher software.
+
+<P>Before you can export the printers you must download the
+current Adobe PostScript printer drivers from the Adobe web
+site (<A HREF="http://www.adobe.com/">http://www.adobe.com/</A>).
+Use the free <CODE>unzip</CODE> software to extract the files
+from the self-extracting ZIP file containing the drivers; you
+will need the following files:
+
+<UL><PRE>
+ADFONTS.MFM
+ADOBEPS4.DRV
+ADOBEPS4.HLP
+ADOBEPS5.DLL
+ADOBEPSU.DLL
+ADOBEPSU.HLP
+DEFPRTR2.PPD
+ICONLIB.DLL
+PSMON.DLL
+</PRE></UL>
+
+<P>Copy these files to the <VAR>/usr/share/cups/drivers</VAR>
+directory - you may need to rename some of the files so the
+filenames are all UPPERCASE.
+
+<P>Next, add a <CODE>print$</CODE> share for the printer
+drivers to your <VAR>smb.conf</VAR> file:
+
+<UL><PRE>
+[print$]
+    comment = Printer Drivers
+    path = /etc/samba/drivers
+    browseable = yes
+    guest ok = no
+    read only = yes
+    write list = root
+</PRE></UL>
+
+<P>The directory for your printer drivers can be anywhere on the
+system; just make sure it is writable by the users specified by
+the <CODE>write list</CODE> directive. Also, make sure that you
+have SAMBA passwords defined for each user in the <CODE>write
+list</CODE> using the <CODE>smbpasswd(1)</CODE> command.
+Otherwise you will not be able to authenticate 
+
+<P>Finally, run the <CODE>cupsaddsmb</CODE> command to export
+the printer drivers for one or more queues:
+
+<UL><PRE>
+<KBD>cupsaddsmb -U root printer1 ... printerN <I>ENTER</I></KBD>
+</PRE></UL>
+
+<P>Running <CODE>cupsaddsmb</CODE> with the <CODE>-a</CODE> option
+will export all printers:
+
+<UL><PRE>
+<KBD>cupsaddsmb -U root -a <I>ENTER</I></KBD>
+</PRE></UL>
+
+<H2>Printing to Windows Servers</H2>
+
+<P>CUPS can print to Windows servers in one of two ways. The first way uses
+the LPD protocol on the CUPS system and the "TCP/IP Printing Services" on
+the Windows system. You can find out more about this configuration in the
+<A HREF="#LPD">LPD</A> section earlier in this chapter.
+
+<P>The second way is through the Microsoft Server Message Block ("SMB")
+protocol. Support for this protocol is provided with the free SAMBA
+software package. You can download SAMBA from:
+
+<UL><PRE>
+<A HREF="http://www.samba.org">http://www.samba.org</A>
+</PRE></UL>
+
+<P>To configure CUPS for SAMBA, run the following command:
+
+<UL><PRE>
+<B>ln -s `which smbspool` /usr/lib/cups/backend/smb ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>smbspool(1)</CODE> program is provided with SAMBA starting
+with SAMBA 2.0.6. Once you have made the link you can configure your
+printers with one of the following device URIs:
+
+<UL><PRE>
+smb://workgroup/server/sharename
+smb://server/sharename
+smb://user:pass@workgroup/server/sharename
+smb://user:pass@server/sharename
+</PRE></UL>
+
+<P>The <CODE>workgroup</CODE> name need only be specified if your
+system is using a different workgroup. The <CODE>user:pass</CODE>
+strings are required when printing to Windows NT servers or to shares
+with passwords enabled under Windows 95 and 98.
+
+
+<H1 ALIGN="RIGHT"><A NAME="LICENSE">A - Software License Agreement</A></H1>
+
+<EMBED SRC="../LICENSE.html">
+
+
+<H1 ALIGN="RIGHT"><A NAME="COMMON_NETWORK">B - Common Network Settings</A></H1>
+
+<P>This appendix covers many of the popular TCP/IP network interfaces
+and printer servers available on the market today.
+
+<H2>Configuring a Network Interface</H2>
+
+<P>When you first install a network printer or print server on your
+LAN, you need to set the Internet Protocol ("IP") address. On most
+higher-end "workgroup" printers, you can set the address through the
+printer control panel. However, in most cases you will want to assign
+the addresses remotely from your workstation. This makes administration
+a bit easier and avoids assigning duplicate addresses accidentally.
+
+<P>To setup your printer or print server for remote address assignment,
+you'll need the Ethernet Media Access Control ("MAC") address, also
+sometimes called a node address, and the IP address you want to use for
+the device. The Ethernet MAC address can often be found on the printer
+test page or bottom of the print server.
+
+<!-- NEED 3in -->
+<H3>Configuring the IP Address Using ARP</H3>
+
+<P>The easiest way to set the IP address of a network device is to use
+the <CODE>arp(8)</CODE> command.  The <CODE>arp</CODE> sends an Address
+Resolution Protocol ("ARP") packet to the specified Ethernet MAC address,
+setting the network device's IP address:
+
+<UL><PRE>
+<B>arp -s ip-address ethernet-address ENTER</B>
+<B>arp -s host.domain.com 08:00:69:00:12:34 ENTER</B>
+<B>arp -s 192.0.2.2 08:00:69:00:12:34 ENTER</B>
+</PRE></UL>
+
+<H3>Configuring the IP Address Using RARP</H3>
+
+<P>The most flexible way to remotely assign IP addresses under UNIX
+is through the Reverse Address Resolution Protocol ("RARP"). RARP
+allows a network device to request an IP address using its Ethernet
+MAC address, and one or more RARP servers on the network will
+respond with an ARP packet with the IP address the device can use.
+
+<P>RARP should be used when you have to manage many printers or print
+servers, or when you have a network device that does not remember its
+IP address after a power cycle. If you just have a single printer or
+print server, the <CODE>arp</CODE> command is the way to go.
+
+<P>Some UNIX operating systems use a program called
+<CODE>rarpd(8)</CODE> to manage RARP. Others, like Linux, support this
+protocol in the kernel. For systems that provide the <CODE>rarpd</CODE>
+program you will need to start it before RARP lookups will work:
+
+<UL><PRE>
+<B>rarpd ENTER</B>
+</PRE></UL>
+
+<P>Under IRIX you can enable this functionality by default using:
+
+<UL><PRE>
+<B>chkconfig rarpd on ENTER</B>
+</PRE></UL>
+
+<P>Both the <CODE>rarpd</CODE> program and kernel RARP support read a
+list of Ethernet and IP addresses from the file <VAR>/etc/ethers</VAR>.
+Each line contains the Ethernet address (colon delimited) followed by
+an IP address or hostname like:
+
+<UL><PRE>
+08:00:69:00:12:34 myprinter.mydomain.com
+08:00:69:00:12:34 192.0.2.2
+</PRE></UL>
+
+<P>Add a line to this file and cycle the power on the printer or print
+server to set its address.
+
+<!-- NEED 2in -->
+<H3>Configuring the IP Address Using BOOTP</H3>
+
+<P>The BOOTP protocol is used when you need to provide additional information
+such as the location of a configuration file to the network interface. Using
+the standard <CODE>bootpd(8)</CODE> program supplied with UNIX you simply need to
+add a line to the <VAR>/etc/bootptab</VAR> file; for IRIX:
+
+<UL><PRE>
+myprinter 08:00:69:00:12:34 192.0.2.2 <VAR>myprinter.boot</VAR>
+</PRE></UL>
+
+<!-- NEED 1in -->
+<P>Newer versions of <CODE>bootpd</CODE> use a different format:
+
+<UL><PRE>
+myprinter:ha=080069001234:ip=192.0.2.2:<VAR>t144=myprinter.boot</VAR>
+</PRE></UL>
+
+<P>The <VAR>myprinter.boot</VAR> file resides in the <VAR>/usr/local/boot</VAR>
+directory by default. If you do not need to provide a boot file you may leave
+the last part of the line blank.
+
+<!-- NEED 2in -->
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Some versions of UNIX do not enable the BOOTP service by
+	default. The <VAR>/etc/inetd.conf</VAR> usually contains a
+	line for the BOOTP service that can be uncommented if
+	needed.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>Verifying the Printer Connection</H2>
+
+<P>To test that the IP address has been successfully assigned and that the
+printer is properly connected to your LAN, type:
+
+<UL><PRE>
+<B>ping ip-address ENTER</B>
+</PRE></UL>
+
+<P>If the connection is working properly you will see something like:
+
+<UL><PRE>
+<B>ping myprinter ENTER</B>
+PING myprinter (192.0.2.2): 56 data bytes
+64 bytes from 192.0.2.2: icmp_seq=0 ttl=15 time=5 ms
+64 bytes from 192.0.2.2: icmp_seq=1 ttl=15 time=3 ms
+64 bytes from 192.0.2.2: icmp_seq=2 ttl=15 time=3 ms
+64 bytes from 192.0.2.2: icmp_seq=3 ttl=15 time=3 ms
+</PRE></UL>
+
+<P>If not, verify that the printer or print server is connected to the
+LAN, it is powered on, the LAN cabling is good, and the IP address is
+set correctly. You can usually see the current IP address and network
+status by printing a configuration or test page on the device.
+
+<!-- NEED 4in -->
+<H2>Common Network Interface Settings</H2>
+
+<P>Once you have set the IP address you can access the printer or print
+server using the <CODE>ipp</CODE>, <CODE>lpd</CODE>, or
+<CODE>socket</CODE> backends. The following is a list of common network
+interfaces and printer servers and the settings you should use with
+CUPS:
+
+<CENTER><TABLE BORDER="1">
+<TR VALIGN="TOP" ALIGN="LEFT">
+	<TH>Model/Manufacturer</TH>
+	<TH>Device URI(s)</TH>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Apple LaserWriter</TD>
+	<TD>lpd://<I>address</I>/PASSTHRU</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Axis w/o IPP<BR>
+	<A HREF="#AXIS">(see directions)</A></TD>
+	<TD>socket://<I>address</I>:9100<BR>
+	socket://<I>address</I>:9101<BR>
+	socket://<I>address</I>:9102</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Axis w/IPP</TD>
+	<TD>ipp://<I>address</I>/LPT1<BR>
+	ipp://<I>address</I>/LPT2<BR>
+	ipp://<I>address</I>/COM1</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Castelle LANpress<SUP>TM</SUP></TD>
+	<TD>lpd://<I>address</I>/pr1<BR>
+	lpd://<I>address</I>/pr2<BR>
+	lpd://<I>address</I>/pr3</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>DPI NETPrint</TD>
+	<TD>lpd://<I>address</I>/pr1<BR>
+	lpd://<I>address</I>/pr2<BR>
+	lpd://<I>address</I>/pr3</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>EFI&reg; Fiery&reg; RIP</TD>
+	<TD>lpd://<I>address</I>/print</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>EPSON&reg; Multiprotocol Ethernet Interface Board</TD>
+	<TD>socket://<I>address</I></TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Extended System ExtendNET</TD>
+	<TD>lpd://<I>address</I>/pr1<BR>
+	lpd://<I>address</I>/pr2<BR>
+	lpd://<I>address</I>/pr3</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Hewlett Packard JetDirect w/o IPP</TD>
+	<TD>socket://<I>address</I>:9100<BR>
+	socket://<I>address</I>:9101<BR>
+	socket://<I>address</I>:9102</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Hewlett Packard JetDirect w/IPP</TD>
+	<TD>ipp://<I>address</I>/ipp<BR>
+	ipp://<I>address</I>/ipp/port1<BR>
+	ipp://<I>address</I>/ipp/port2<BR>
+	ipp://<I>address</I>/ipp/port3</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Intel® NetportExpress XL, PRO/100</TD>
+	<TD>lpd://<I>address</I>/LPT1_PASSTHRU<BR>
+	lpd://<I>address</I>/LPT2_PASSTHRU<BR>
+	lpd://<I>address</I>/COM1_PASSTHRU</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Lexmark<SUP>TM</SUP> MarkNet</TD>
+	<TD>lpd://<I>address</I>/ps</TD>
+</TR>
+<!-- NEED 1in -->
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Linksys EtherFast&reg;<BR>
+	<A HREF="#LINKSYS">(see directions)</A></TD>
+	<TD>socket://<I>address</I>:4010<BR>
+	socket://<I>address</I>:4020<BR>
+	socket://<I>address</I>:4030</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Kodak&reg;</TD>
+	<TD>lpd://<I>address</I>/ps</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>QMS&reg; CrownNet<SUP>TM</SUP></TD>
+	<TD>lpd://<I>address</I>/ps</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>Tektronix&reg; PhaserShare<SUP>TM</SUP></TD>
+	<TD>socket://<I>address</I>:9100</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>XEROX&reg; 4512 NIC</TD>
+	<TD>lpd://<I>address</I>/PORT1</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>XEROX&reg; XNIC</TD>
+	<TD>lpd://<I>address</I>/PASSTHRU</TD>
+</TR>
+<TR ALIGN="LEFT" VALIGN="TOP">
+	<TD>XEROX&reg; (most others)</TD>
+	<TD>socket://<I>address</I>:5503</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2><A NAME="AXIS">Configuring Axis Print Servers</A></H2>
+
+<P>The Axis print servers can be configured using ARP, RARP, or BOOTP.
+However, on models that do not provide IPP support an additional step
+must be performed to configure the TCP/IP portion of the print server
+for use with CUPS.
+
+<!-- NEED 3in -->
+<P>Each print server contains a configuration file named
+<VAR>config</VAR> that contains a list of network parameters used by
+the server. To modify this file you must first download it from the
+print server using the <CODE>ftp(1)</CODE> program:
+
+<UL><PRE>
+<B>ftp ip-address ENTER</B>
+Connected to ip-address.
+220 Axis NPS ### FTP Printer Server V#.## MON DD YEAR ready.
+ftp> <B>user root ENTER</B>
+331 User name ok, need password
+Password: <B>pass ENTER</B> <I>(this is not echoed)</I>
+230 User logged in
+ftp> <B>get config ENTER</B>
+local: config remote: config
+200 PORT command successful.
+150 Opening data connection for config (192,0,2,2),
+(mode ascii).
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp> <B>quit ENTER</B>
+221 Goodbye.
+</PRE></UL>
+
+<!-- NEED 2in -->
+<P>Next, edit the file with your favorite text editor and locate the
+lines beginning with:
+
+<UL><PRE>
+RTN_OPT.     : YES
+RTEL_PR1.    : 0
+RTEL_PR2.    : 0
+RTEL_PR3.    : 0
+RTEL_PR4.    : 0
+RTEL_PR5.    : 0
+RTEL_PR6.    : 0
+RTEL_PR7.    : 0
+RTEL_PR8.    : 0
+</PRE></UL>
+
+<!-- NEED 1in -->
+Change the <CODE>RTN_OPT</CODE> line to read:
+
+<UL><PRE>
+RTN_OPT.     : <B>NO</B>
+</PRE></UL>
+
+<!-- NEED 2in -->
+<P>This disables the Reverse TELNET protocol and enables the standard
+TELNET protocol on the print server. Next, assign a port number for
+each parallel and serial port on the server as follows:
+
+<UL><PRE>
+RTEL_PR1.    : <B>9100</B>
+RTEL_PR2.    : <B>9101</B>
+RTEL_PR3.    : <B>9102</B>
+RTEL_PR4.    : <B>9103</B>
+RTEL_PR5.    : <B>9104</B>
+RTEL_PR6.    : <B>9105</B>
+RTEL_PR7.    : <B>9106</B>
+RTEL_PR8.    : <B>9107</B>
+</PRE></UL>
+
+<!-- NEED 4in -->
+<P>This essentially makes the Axis print server look like a Hewlett
+Packard JetDirect EX print server. Save the file and then upload the
+new <VAR>config</VAR> file using the <CODE>ftp</CODE> command:
+
+<UL><PRE>
+<B>ftp ip-address ENTER</B>
+Connected to ip-address.
+220 Axis NPS ### FTP Printer Server V#.## MON DD YEAR ready.
+ftp> <B>user root ENTER</B>
+331 User name ok, need password
+Password: <B>pass ENTER</B> <I>(this is not echoed)</I>
+230 User logged in
+ftp> <B>put config CONFIG ENTER</B>
+local: config remote: CONFIG
+200 PORT command successful.
+150 Opening data connection for config (192,0,2,2), (mode ascii).
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp> <B>get hardreset ENTER</B>
+local: hardreset remote: hardreset
+200 PORT command successful.
+421 Axis NPS ### hard reset, closing connection.
+ftp> <B>quit ENTER</B>
+221 Goodbye.
+</PRE></UL>
+
+<P>Your Axis print server is now ready for use!
+
+<H2><A NAME="LINKSYS">Configuring Linksys Print Servers</A></H2>
+
+<P>The Linksys print servers can be configured using ARP, RARP, or
+BOOTP. Like older Axis print servers, an additional step must be
+performed to configure the TCP/IP portion of the print server for use
+with CUPS.
+
+<!-- NEED 3in -->
+<P>Each print server contains a configuration file named
+<VAR>CONFIG</VAR> that contains a list of network parameters used by
+the server. To modify this file you must first download it from the
+print server using the <CODE>ftp(1)</CODE> program:
+
+<UL><PRE>
+<B>ftp -n ip-address ENTER</B>
+Connected to ip-address.
+220 Print Server Ready.
+Remote system type is Print.
+ftp> <B>get CONFIG ENTER</B>
+local: CONFIG remote: CONFIG
+200 Command OK.
+150 Open ASCII Mode Connection.
+WARNING! 68 bare linefeeds received in ASCII mode
+File may not have transferred correctly.
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp> <B>quit ENTER</B>
+221 Goodbye.
+</PRE></UL>
+
+<!-- NEED 2in -->
+<P>Next, edit the file with your favorite text editor and locate the
+lines beginning with:
+
+<UL><PRE>
+0100 L1_PROUT:P1
+0120 L2_PROUT:P1
+0140 L3_PROUT:P1
+</PRE></UL>
+
+<P>Change the port number for
+each parallel and serial port on the server as follows:
+
+<UL><PRE>
+0100 L1_PROUT:<B>P1</B>
+0120 L2_PROUT:<B>P2</B>
+0140 L3_PROUT:<B>P3</B>
+</PRE></UL>
+
+<!-- NEED 4in -->
+<P>This maps each virtual printer with a physical port. Save the file and then upload the
+new <VAR>CONFIG</VAR> file using the <CODE>ftp</CODE> command:
+
+<UL><PRE>
+<B>ftp -n ip-address ENTER</B>
+Connected to ip-address.
+220 Print Server Ready.
+Remote system type is Print.
+ftp> <B>put CONFIG ENTER</B>
+local: CONFIG remote: CONFIG
+200 Command OK.
+150 Open ASCII Mode Connection.
+226 Transfer complete.
+##### bytes received in #.## seconds (##### Kbytes/s)
+ftp> <B>quit ENTER</B>
+221 Goodbye.
+</PRE></UL>
+
+<P>Your Linksys print server is now ready for use!
+
+
+<H1 ALIGN="RIGHT"><A NAME="PRINTER_DRIVERS">C - Printer Drivers</A></H1>
+
+<P>This appendix lists the printer drivers that are provided with CUPS.
+
+<H2>Printer Drivers</H2>
+
+<P>CUPS includes the following printer drivers:
+
+<UL>
+
+	<LI><A HREF="#EPSON9">EPSON 9-pin Dot Matrix</A>, <VAR>epson9.ppd</VAR>
+
+	<LI><A HREF="#EPSON24">EPSON 24-pin Dot Matrix</A>, <VAR>epson24.ppd</VAR>
+
+	<LI><A HREF="#STCOLOR">EPSON Stylus Color</A>, <VAR>stcolor.ppd</VAR>
+
+	<LI><A HREF="#STPHOTO">EPSON Stylus Photo</A>, <VAR>stphoto.ppd</VAR>
+
+	<LI><A HREF="#DESKJET">HP DeskJet</A>, <VAR>deskjet.ppd</VAR>
+
+	<LI><A HREF="#LASERJET">HP LaserJet</A>, <VAR>laserjet.ppd</VAR>
+
+</UL>
+
+<H2><A NAME="EPSON9">EPSON 9-pin Dot Matrix</A></H2>
+
+<P>The EPSON 9-pin Dot Matrix driver (<VAR>epson9.ppd</VAR>) supports
+9-pin dot matrix printers that implement the ESC/P command set. It
+provides 60x72, 120x72, and 240x72 DPI output in black only.
+
+<H2><A NAME="EPSON24">EPSON 24-pin Dot Matrix</A></H2>
+
+<P>The EPSON 24-pin Dot Matrix driver (<VAR>epson9.ppd</VAR>) supports
+24-pin dot matrix printers that implement the ESC/P command set. It
+provides 120x180, 180x180, 360x180, and 360x360 DPI output in black
+only.
+
+<H2><A NAME="STCOLOR">EPSON Stylus Color</A></H2>
+
+<P>The EPSON Stylus Color driver (<VAR>stcolor.ppd</VAR>) supports
+EPSON Stylus Color printers that implement the ESC/P2 command set. It
+provides 180, 360, and 720 DPI output in black and color (CMYK).
+
+<H2><A NAME="STPHOTO">EPSON Stylus Photo</A></H2>
+
+<P>The EPSON Stylus Photo driver (<VAR>stphoto.ppd</VAR>) supports
+EPSON Stylus Photo printers that implement the ESC/P2 command set. It
+provides 180, 360, and 720 DPI output in black and color (CMYKcm).
+
+<H2><A NAME="DESKJET">HP DeskJet</A></H2>
+
+<P>The HP DeskJet driver (<VAR>deskjet.ppd</VAR>) supports HP DeskJet
+printers that implement the PCL command set. It provides 150, 300, and
+600 DPI output in black and color (CMYK).
+
+<P>The DeskJet printers that implement the HP-PPA command set (720C,
+722C, 820C, and 1100C) are <B>not</B> supported due to a complete lack
+of documentation and support from Hewlett Packard.
+
+<P>The duplexer provided with the HP DeskJet 900 series printers is also
+not supported for similar reasons.
+
+<H2><A NAME="LASERJET">HP LaserJet</A></H2>
+
+<P>The HP LaserJet driver (<VAR>laserjet.ppd</VAR>) supports HP
+LaserJet printers that implement the PCL command set. It provides 150,
+300, and 600 DPI output in black only and supports the duplexer if
+installed.
+
+<P>LaserJet printers that do not implement PCL (3100, 3150) are not
+supported due to a complete lack of documentation and support from
+Hewlett Packard.
+
+
+<H1 ALIGN="RIGHT"><A NAME="FILES">D - List of Files</A></H1>
+
+<P>This appendix lists the files and directories that are installed for
+the Common UNIX Printing System.
+
+<CENTER><TABLE BORDER="1" WIDTH="80%">
+<TR VALIGN="TOP">
+	<TH>Pathname</TH>
+	<TH>Description</TH>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/certs/</TD>
+	<TD>The location of authentication certificate files for local
+	HTTP clients.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/classes.conf</TD>
+	<TD>The printer classes configuration file for the scheduler.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/cupsd.conf</TD>
+	<TD>The scheduler configuration file.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/interfaces/</TD>
+	<TD>The location of System V interface scripts for printers.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/mime.convs</TD>
+	<TD>The list of standard file filters included with ESP Print Pro.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/mime.types</TD>
+	<TD>The list of recognized file types for ESP Print Pro.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/ppd/</TD>
+	<TD>The location of PostScript Printer Description ("PPD") files for
+	printers.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/etc/cups/printers.conf</TD>
+	<TD>The printer configuration file for the scheduler.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/cancel</TD>
+	<TD>The System V cancel job(s) command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/disable</TD>
+	<TD>The System V disable printer command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/enable</TD>
+	<TD>The System V enable printer command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lp</TD>
+	<TD>The System V print command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lpoptions</TD>
+	<TD>Sets user-defined printing options and defaults.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lppasswd</TD>
+	<TD>Adds, changes, or removes Digest password accounts.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lpq</TD>
+	<TD>The Berkeley status command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lpr</TD>
+	<TD>The Berkeley print command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lprm</TD>
+	<TD>The Berkeley cancel job(s) command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/bin/lpstat</TD>
+	<TD>The System V status command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/include/cups/</TD>
+	<TD>CUPS API header files.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib32/libcups.a<BR>
+	/usr/lib32/libcupsimage.a</TD>
+	<TD>Static libraries (IRIX 6.5)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/libcups.a<BR>
+	/usr/lib/libcupsimage.a</TD>
+	<TD>Static libraries (all others)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/libcups.sl.2<BR>
+	/usr/lib/libcupsimage.sl.2</TD>
+	<TD>Shared libraries (HP-UX)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib32/libcups.so.2<BR>
+	/usr/lib32/libcupsimage.so.2</TD>
+	<TD>Shared libraries (IRIX 6.5)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/libcups.so.2<BR>
+	/usr/lib/libcupsimage.so.2</TD>
+	<TD>Shared libraries (all others)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/cups/backend/</TD>
+	<TD>Backends for various types of printer connections.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/cups/cgi-bin/</TD>
+	<TD>CGI programs for the scheduler.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/cups/daemon/</TD>
+	<TD>Daemons for polling and LPD support.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/cups/filter/</TD>
+	<TD>Filters for various types of files.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/locale/</TD>
+	<TD>The location of language-specific message files. (System V)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/lib/nls/msg/</TD>
+	<TD>The location of language-specific message files. (Compaq Tru64 UNIX)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/locale/</TD>
+	<TD>The location of language-specific message files. (Linux, *BSD)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/accept</TD>
+	<TD>The accept-jobs command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/cupsd</TD>
+	<TD>The CUPS print scheduler.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/lpadmin</TD>
+	<TD>The System V printer administration tool.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/lpc</TD>
+	<TD>The Berkeley printer administration tool.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/lpinfo</TD>
+	<TD>The get-devices and get-ppds command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/lpmove</TD>
+	<TD>The move-jobs command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/sbin/reject</TD>
+	<TD>The reject-jobs command.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/catman/a_man/<BR>
+	/usr/share/catman/u_man/</TD>
+	<TD>Man pages (IRIX)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/man/</TD>
+	<TD>Man pages (Compaq Tru64 UNIX, HP-UX, Solaris)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/man/</TD>
+	<TD>Man pages (all others)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/data/</TD>
+	<TD>The location of filter data files.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/data/testprint.ps</TD>
+	<TD>The PostScript test page file.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/fonts/</TD>
+	<TD>The location of PostScript fonts for the PostScript RIP.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/model/</TD>
+	<TD>The location of PostScript Printer Description ("PPD") files and
+	interface scripts that may be used to setup a printer queue.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/pstoraster/</TD>
+	<TD>Other PostScript RIP initialization files.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/pstoraster/Fontmap</TD>
+	<TD>The font mapping file (converts filenames to fontnames)</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/cups/templates/</TD>
+	<TD>The location of HTML template files for the web interfaces.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/usr/share/doc/cups/</TD>
+	<TD>Documentation and web page data for the scheduler.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/var/log/cups/</TD>
+	<TD>The location of scheduler log files.</TD>
+</TR>
+<TR VALIGN="TOP">
+	<TD>/var/spool/cups/</TD>
+	<TD>The location of print files waiting to be printed.</TD>
+</TR>
+</TABLE></CENTER>
+
+
+<H1 ALIGN="RIGHT"><A NAME="FAQ">E - Troubleshooting Common Problems</A></H1>
+
+<P>This appendix covers some of the common problems first-time users
+encounter when installing and configuring CUPS.
+
+<P>Commercial support for CUPS is available from Easy Software Products.
+For more information please contact us at:
+
+<UL>
+
+	<LI>WWW: <A HREF="http://www.easysw.com">
+	<CODE>http://www.easysw.com</CODE></A>
+
+	<LI>EMail: <A HREF="mailto:info@easysw.com">info@easysw.com</A>
+
+	<LI>Telephone (M-F, 9-5 EST): +1.301.373.9600
+
+</UL>
+
+<H2>My Applications Don't See the Available Printers</H1>
+
+<P>Many applications read the <VAR>/etc/printcap</VAR> file to
+get a list of available printers.
+
+<P>The default CUPS configuration does not create the
+<VAR>/etc/printcap</VAR> file automatically. To enable automatic
+creation and updating of this file, use the
+<A HREF="#Printcap"><CODE>Printcap</CODE></A> directive described in
+<A HREF="#PRINTING_MANAGEMENT">Chapter 6, "Printing System Management"</A>.
+
+<H2>CUPS Doesn't Recognize My Username or Password!</H2>
+
+<P>CUPS will ask you for a UNIX username and password when you perform
+printer administration tasks remotely or via a web browser. The default
+configuration requires that you use the <CODE>root</CODE> username and
+the corresponding password to authenticate the request.
+
+<P>CUPS does not allow you to authenticate an administration request
+with an account that has no password for security reasons. If you do
+not have a password on your <CODE>root</CODE> account then you won't be
+able to add printers remotely or via the web interface!
+
+<!-- NEED 2in -->
+<P>To disable password authentication you need to edit the
+<VAR>/etc/cups/cupsd.conf</VAR> file and comment out the
+lines reading:
+
+<UL><PRE>
+AuthType Basic
+AuthClass System
+</UL></PRE>
+
+for the <VAR>/admin</VAR> location. Then restart the CUPS server as
+described in <A HREF="#PRINTING_MANAGEMENT">Chapter 6, "Printing System
+Management"</A>.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Disabling password checks will allow any local user to
+	change your printer and class configuration, but remote
+	administration from another machine will still not be allowed.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2><A NAME="ALLOW_REMOTE">I Can't Do Administration Tasks from Another Machine!</A></H2>
+
+<P>The default CUPS configuration limits administration to the local
+machine. To open up access, edit the <VAR>/etc/cups/cupsd.conf</VAR>
+and comment out the lines reading:
+
+<UL><PRE>
+Order deny,allow
+Deny from all
+Allow from 127.0.0.1
+</PRE></UL>
+
+for the <VAR>/admin</VAR> location. Then restart the CUPS server as
+described in <A HREF="#PRINTING_MANAGEMENT">Chapter 6, "Printing System
+Management"</A>.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>Allowing administration access from all hosts is a potential
+	security risk. Please read <A HREF="#PRINTING_SECURITY">Chapter
+	6, "Printing System Management"</A> for a description of these
+	risks and ways to minimize them.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 4in -->
+<H2>I Can't Do Administration Tasks from My Web Browser!</H2>
+
+<P>This problem is usually caused by:
+
+<OL>
+
+	<LI>not specifying the correct password for the
+	root account.
+
+	<LI>accessing the CUPS server using the hostname or IP
+	address of the server without enabling remote access for
+	administration functions. This can be corrected by following
+	the instructions in the <A HREF="#ALLOW_REMOTE">"I Can't Do
+	Administration Tasks from Another Machine!"</A> section earlier
+	in this appendix.
+
+	<LI>not setting a password on the root account. CUPS will not
+	authenticate a user account that does not have a password for
+	security reasons.
+
+	<LI>authenticating using an account other than root, but the
+	account you are using is not a member of the system group.
+
+	<LI>configuring CUPS to use Digest authentication, but
+	your web browser does not support Digest authentication.
+
+</OL>
+
+<H2>Connection Refused Messages</H2>
+
+<P>Under normal circumstances, "connection refused" messages for a
+networked printer should be expected from time to time. Most network
+interfaces only allow a single connection to be made at any given time
+(one job at a time) and will refuse access to all other systems while
+the first connection is active. CUPS automatically retries the
+connection once every 30 seconds.
+
+<P>If the problem persists and you are unable to print any jobs to the printer,
+verify that another machine is not maintaining a connection with the printer,
+and that you have selected the proper port or printer name for the printer.
+
+<P>Also, most external print servers will refuse connections if the connected
+printer is turned off or is off-line. Verify that the affected printer is
+turned on and is online.
+
+<H2>Write Error Messages</H2>
+
+<P>If you get "write error" messages on a printer queue the printer
+interface (usually a Hewlett Packard JetDirect interface) has timed out
+and reset the network connection from your workstation.
+
+<P>The error is caused by that startup delay between the initial setup
+of the printer or plotter and the first page of print data that is
+sent.
+
+<!-- NEED 3in -->
+<P>To correct the problem, change the idle timeout on the interface to at least
+180 seconds or 3 minutes. To change the timeout on a Hewlett Packard
+JetDirect interface, type:
+
+<UL><PRE>
+<B>telnet ip-address ENTER</B>
+
+Trying ip-address...
+Connected to ip-address.
+Escape character is `^]'.
+
+Please type [Return] two times, to initialize telnet configuration
+For HELP type "?"
+> <B>idle-timeout: 180 ENTER</B>
+> <B>quit ENTER</B>
+</PRE></UL>
+
+</BODY>
+</HTML>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Design Description</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SDD-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Design Description</H1></A><BR>
+CUPS-SDD-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Design Overview</A></B>
+<UL>
+<LI><A HREF="#3_1">3.1 Backends</A></LI>
+<UL>
+<LI><A HREF="#3_1_1">3.1.1 ipp</A></LI>
+<LI><A HREF="#3_1_2">3.1.2 lpd</A></LI>
+<LI><A HREF="#3_1_3">3.1.3 parallel</A></LI>
+<LI><A HREF="#3_1_4">3.1.4 serial</A></LI>
+<LI><A HREF="#3_1_5">3.1.5 socket</A></LI>
+<LI><A HREF="#3_1_6">3.1.6 usb</A></LI>
+</UL>
+<LI><A HREF="#3_2">3.2 Berkeley Commands</A></LI>
+<UL>
+<LI><A HREF="#3_2_1">3.2.1 lpc</A></LI>
+<LI><A HREF="#3_2_2">3.2.2 lpq</A></LI>
+<LI><A HREF="#3_2_3">3.2.3 lpr</A></LI>
+<LI><A HREF="#3_2_4">3.2.4 lprm</A></LI>
+</UL>
+<LI><A HREF="#3_3">3.3 CGI</A></LI>
+<UL>
+<LI><A HREF="#3_3_1">3.3.1 admin.cgi</A></LI>
+<LI><A HREF="#3_3_2">3.3.2 classes.cgi</A></LI>
+<LI><A HREF="#3_3_3">3.3.3 jobs.cgi</A></LI>
+<LI><A HREF="#3_3_4">3.3.4 printers.cgi</A></LI>
+</UL>
+<LI><A HREF="#3_4">3.4 CUPS Application Programmers Interface</A></LI>
+<UL>
+<LI><A HREF="#3_4_1">3.4.1 Convenience Functions</A></LI>
+<LI><A HREF="#3_4_2">3.4.2 HTTP Functions</A></LI>
+<LI><A HREF="#3_4_3">3.4.3 IPP Functions</A></LI>
+<LI><A HREF="#3_4_4">3.4.4 Language Functions</A></LI>
+<LI><A HREF="#3_4_5">3.4.5 PPD Functions</A></LI>
+</UL>
+<LI><A HREF="#3_5">3.5 CUPS Imaging Library</A></LI>
+<UL>
+<LI><A HREF="#3_5_1">3.5.1 Colorspace Conversion Functions</A></LI>
+<LI><A HREF="#3_5_2">3.5.2 Color Management Functions</A></LI>
+<LI><A HREF="#3_5_3">3.5.3 Image Management Functions</A></LI>
+<LI><A HREF="#3_5_4">3.5.4 Scaling Functions</A></LI>
+<LI><A HREF="#3_5_5">3.5.5 Image File Functions</A></LI>
+<LI><A HREF="#3_5_6">3.5.6 Raster Functions</A></LI>
+</UL>
+<LI><A HREF="#3_6">3.6 Daemons</A></LI>
+<UL>
+<LI><A HREF="#3_6_1">3.6.1 Line Printer Daemon</A></LI>
+<LI><A HREF="#3_6_2">3.6.2 Polling Daemon</A></LI>
+</UL>
+<LI><A HREF="#3_7">3.7 Filters</A></LI>
+<UL>
+<LI><A HREF="#3_7_1">3.7.1 hpgltops</A></LI>
+<LI><A HREF="#3_7_2">3.7.2 imagetops</A></LI>
+<LI><A HREF="#3_7_3">3.7.3 imagetoraster</A></LI>
+<LI><A HREF="#3_7_4">3.7.4 pdftops</A></LI>
+<LI><A HREF="#3_7_5">3.7.5 pstops</A></LI>
+<LI><A HREF="#3_7_6">3.7.6 pstoraster</A></LI>
+<LI><A HREF="#3_7_7">3.7.7 rastertoepson</A></LI>
+<LI><A HREF="#3_7_8">3.7.8 rastertohp</A></LI>
+<LI><A HREF="#3_7_9">3.7.9 texttops</A></LI>
+</UL>
+<LI><A HREF="#3_8">3.8 Scheduler</A></LI>
+<UL>
+<LI><A HREF="#3_8_1">3.8.1 Authorization</A></LI>
+<LI><A HREF="#3_8_2">3.8.2 Classes</A></LI>
+<LI><A HREF="#3_8_3">3.8.3 Client</A></LI>
+<LI><A HREF="#3_8_4">3.8.4 Configuration</A></LI>
+<LI><A HREF="#3_8_5">3.8.5 Devices</A></LI>
+<LI><A HREF="#3_8_6">3.8.6 Directory Services</A></LI>
+<LI><A HREF="#3_8_7">3.8.7 IPP</A></LI>
+<LI><A HREF="#3_8_8">3.8.8 Jobs</A></LI>
+<LI><A HREF="#3_8_9">3.8.9 Logging</A></LI>
+<LI><A HREF="#3_8_10">3.8.10 Main</A></LI>
+<LI><A HREF="#3_8_11">3.8.11 MIME</A></LI>
+<LI><A HREF="#3_8_12">3.8.12 PPDs</A></LI>
+<LI><A HREF="#3_8_13">3.8.13 Printers</A></LI>
+</UL>
+<LI><A HREF="#3_9">3.9 System V Commands</A></LI>
+<UL>
+<LI><A HREF="#3_9_1">3.9.1 accept</A></LI>
+<LI><A HREF="#3_9_2">3.9.2 cancel</A></LI>
+<LI><A HREF="#3_9_3">3.9.3 disable</A></LI>
+<LI><A HREF="#3_9_4">3.9.4 enable</A></LI>
+<LI><A HREF="#3_9_5">3.9.5 lp</A></LI>
+<LI><A HREF="#3_9_6">3.9.6 lpadmin</A></LI>
+<LI><A HREF="#3_9_7">3.9.7 lpinfo</A></LI>
+<LI><A HREF="#3_9_8">3.9.8 lpmove</A></LI>
+<LI><A HREF="#3_9_9">3.9.9 lpoptions</A></LI>
+<LI><A HREF="#3_9_10">3.9.10 lpstat</A></LI>
+<LI><A HREF="#3_9_11">3.9.11 reject</A></LI>
+</UL>
+</UL>
+<B><A HREF="#4">A Glossary</A></B>
+<UL>
+<LI><A HREF="#4_1">A.1 Terms</A></LI>
+<LI><A HREF="#4_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+ This software design description document provides general information
+ on the architecture and coding of the Common UNIX Printing System
+ (&quot;CUPS&quot;) Version 1.1.
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+ This software design description document is organized into the
+ following sections:
+<UL>
+<LI>1 - Scope</LI>
+<LI>2 - References</LI>
+<LI>3 - Design Overview</LI>
+<LI>A - Glossary</LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Design Overview</A></H1>
+ CUPS is composed of 9 software sub-systems that operate together to
+ perform common printing tasks:
+<UL>
+<LI>Backends</LI>
+<LI>Berkeley Commands</LI>
+<LI>CGI</LI>
+<LI>CUPS Application Programmers Interface</LI>
+<LI>CUPS Imaging Library</LI>
+<LI>Daemons</LI>
+<LI>Filters</LI>
+<LI>Scheduler</LI>
+<LI>System V Commands</LI>
+</UL>
+<H2><A NAME="3_1">3.1 Backends</A></H2>
+ The backends implement communications over a number of different
+ interfaces. All backends are called with a common set of arguments:
+<UL>
+<LI>Device URI - the Uniform Resource Identifier for the output device
+ (e.g. <CODE>parallel:/dev/plp</CODE>, <CODE>ipp://hostname/resource</CODE>
+).</LI>
+<LI>Job Identifier - the job identifier for this job (integer).</LI>
+<LI>User Name - the user associated with this job (name string).</LI>
+<LI>Title - the title/job-name associated with this job (name string).</LI>
+<LI>Copies - the number of copies required (integer).</LI>
+<LI>Options - the options associated with this job (space separated
+ option strings).</LI>
+<LI>Filename (optional) - the file to print; if this option is not
+ specified, the backend must read the print file from the standard
+ input.</LI>
+</UL>
+<P>Backends are named using the scheme of the URI, so a URI of
+ &quot;ipp://hostname/resource&quot; would be processed by the &quot;ipp&quot; backend.</P>
+<H3><A NAME="3_1_1">3.1.1 ipp</A></H3>
+<P>The ipp backend sends the specified job to a network printer or host
+ using the Internet Printing Protocol. The URI is as specified by the <CODE>
+printer-uri-supported</CODE> attribute from the printer or host.</P>
+<H3><A NAME="3_1_2">3.1.2 lpd</A></H3>
+<P>The lpd backend sends the specified job to a network printer or host
+ using the Line Printer Daemon protocol. The URI is of the form:</P>
+<UL>
+<PRE>lpd://hostname/queue
+</PRE>
+</UL>
+<H3><A NAME="3_1_3">3.1.3 parallel</A></H3>
+<P>The parallel backend sends the specified job to a local printer
+ connected via the specified parallel port device. The URI is of the
+ form:</P>
+<UL>
+<PRE>parallel:/dev/file
+</PRE>
+</UL>
+<H3><A NAME="3_1_4">3.1.4 serial</A></H3>
+<P>The serial backend sends the specified job to a local printer
+ connected via the specified serial port device. The URI is of the form:</P>
+<UL>
+<PRE>serial:/dev/file?option[+option+...]
+</PRE>
+</UL>
+ The options can be any combination of the following:
+<UL>
+<LI><CODE>baud=<I>rate</I></CODE> - Sets the baud rate for the device.</LI>
+<LI><CODE>bits=<I>7 or 8</I></CODE> - Sets the number of data bits.</LI>
+<LI><CODE>parity=<I>even</I></CODE> - Sets even parity checking.</LI>
+<LI><CODE>parity=<I>odd</I></CODE> - Sets odd parity checking.</LI>
+<LI><CODE>parity=<I>none</I></CODE> - Turns parity checking off.</LI>
+<LI><CODE>flow=dtrdsr<I></I></CODE> - Turns DTR/DSR (hardware) flow
+ control on.</LI>
+<LI><CODE>flow=hard<I></I></CODE> - Turns RTS/CTS (hardware) flow
+ control on.</LI>
+<LI><CODE>flow=none<I></I></CODE> - Turns flow control off.</LI>
+<LI><CODE>flow=rtscts<I></I></CODE> - Turns RTS/CTS (hardware) flow
+ control on.</LI>
+<LI><CODE>flow=xonxoff<I></I></CODE> - Turns XON/XOFF (software) flow
+ control on.</LI>
+</UL>
+<H3><A NAME="3_1_5">3.1.5 socket</A></H3>
+<P>The socket backend sends the specified job to a network host using
+ the AppSocket protocol commonly used by Hewlett-Packard and Tektronix
+ printers. The URI is of the form:</P>
+<UL>
+<PRE>socket://hostname[:port]
+</PRE>
+</UL>
+ The default port number is 9100.
+<H3><A NAME="3_1_6">3.1.6 usb</A></H3>
+<P>The usb backend sends the specified job to a local printer connected
+ via the specified usb port device. The URI is of the form:</P>
+<UL>
+<PRE>usb:/dev/file
+</PRE>
+</UL>
+<H2><A NAME="3_2">3.2 Berkeley Commands</A></H2>
+<P>The Berkeley commands provide a simple command-line interface to CUPS
+ to submit and control print jobs. It is provided for compatibility with
+ existing software that is hardcoded to use the Berkeley commands.</P>
+<H3><A NAME="3_2_1">3.2.1 lpc</A></H3>
+ The lpc command allows users and administrators to check the status and
+ control print queues. The version provided with CUPS supports the
+ following commands:
+<UL>
+<LI>quit - Quits the lpc command.</LI>
+<LI>status - Shows the status of printers and jobs in the queue.</LI>
+</UL>
+<H3><A NAME="3_2_2">3.2.2 lpq</A></H3>
+<P>The lpq command shows the current queue status.</P>
+<H3><A NAME="3_2_3">3.2.3 lpr</A></H3>
+<P>The lpr command submits a job for printing. The CUPS version of lpr
+ silently ignores the &quot;i&quot;, &quot;t&quot;, &quot;m&quot;, &quot;h&quot;, and &quot;s&quot; options.</P>
+<H3><A NAME="3_2_4">3.2.4 lprm</A></H3>
+<P>The lprm removes one or more print jobs.</P>
+<H2><A NAME="3_3">3.3 CGI</A></H2>
+<P>The Common Gateway Interface (CGI) programs provide a web-based
+ status interface to monitor the status of printers, classes, and jobs.
+ Each of the CGIs utilize HTML template files that can be customized to
+ provide alternate appearances.</P>
+<H3><A NAME="3_3_1">3.3.1 admin.cgi</A></H3>
+<P>The admin CGI provides administration interfaces for printers and
+ classes. The user can add, modify, delete, start, stop, and configure
+ printers and classes using &quot;wizard&quot; interfaces.</P>
+<H3><A NAME="3_3_2">3.3.2 classes.cgi</A></H3>
+<P>The classes CGI lists the available printer classes and any pending
+ jobs for the class. The user can click on individual classes to limit
+ the display and click on jobs to see the job status.</P>
+<H3><A NAME="3_3_3">3.3.3 jobs.cgi</A></H3>
+<P>The jobs CGI lists the queued print jobs in order of priority. The
+ list can be limited by printer or job.</P>
+<H3><A NAME="3_3_4">3.3.4 printers.cgi</A></H3>
+<P>The printers CGI lists the available printer queues and any pending
+ jobs for the printer. The user can click on individual printers to
+ limit the display and click on jobs to see the job status.</P>
+<H2><A NAME="3_4">3.4 CUPS Application Programmers Interface</A></H2>
+<P>The CUPS Application Programmers Interface (&quot;API&quot;) provides common
+ convenience, HTTP, IPP, language, and PPD functions used by the CUPS
+ software.</P>
+<H3><A NAME="3_4_1">3.4.1 Convenience Functions</A></H3>
+<P>Convenience functions are provided to submit an IPP request, send a
+ print file, cancel a job, get a list of available printers, get a list
+ of available classes, get the default printer or class, get the default
+ server name, get the local username, and get a password string.</P>
+<H3><A NAME="3_4_2">3.4.2 HTTP Functions</A></H3>
+<P>The HTTP functions provide functions to connect to HTTP servers,
+ issue requests, read data from a server, and write data to a server.</P>
+<H3><A NAME="3_4_3">3.4.3 IPP Functions</A></H3>
+<P>The IPP function provide functions to manage IPP request data and
+ attributes, read IPP responses from a server, and write IPP requests to
+ a server.</P>
+<H3><A NAME="3_4_4">3.4.4 Language Functions</A></H3>
+<P>The language functions provide a standard interface for retrieving
+ common textual messages for a particular locale and determining the
+ correct encoding (e.g. US ASCII, UTF-8, ISO-8859-1, etc.)</P>
+<H3><A NAME="3_4_5">3.4.5 PPD Functions</A></H3>
+<P>The PostScript Printer Description functions manage PPD files, select
+ options, check for option conflicts, and emit selected options in the
+ correct order.</P>
+<H2><A NAME="3_5">3.5 CUPS Imaging Library</A></H2>
+<P>The CUPS imaging library provides colorspace conversion, color
+ management, image management, scaling, image file, and raster functions
+ used by the CUPS raster filters.</P>
+<H3><A NAME="3_5_1">3.5.1 Colorspace Conversion Functions</A></H3>
+<P>The colorspace conversion functions handle conversion of grayscale
+ and RGB colors to grayscale, RGB, K, CMY, CMYK, and CMYKcm colorspaces.</P>
+<H3><A NAME="3_5_2">3.5.2 Color Management Functions</A></H3>
+<P>The color management functions handle gamut mapping and density
+ correction. These are integrated with the colorspace conversion
+ functions so that colorspace conversion and color management are
+ processed in a single step.</P>
+<H3><A NAME="3_5_3">3.5.3 Image Management Functions</A></H3>
+<P>The image management functions manage a tiled image database that is
+ swapped to/from disk as needed.</P>
+<H3><A NAME="3_5_4">3.5.4 Scaling Functions</A></H3>
+<P>The scaling functions provide image scaling services using
+ nearest-neighbor sampling and bilinear interpolation as appropriate.</P>
+<H3><A NAME="3_5_5">3.5.5 Image File Functions</A></H3>
+<P>The image file functions handle loading of all image file formats.</P>
+<H3><A NAME="3_5_6">3.5.6 Raster Functions</A></H3>
+<P>The raster functions manage streams of CUPS raster data (described in
+ the Interface Design Document) used by non-PostScript printer drivers
+ and raster filters.</P>
+<H2><A NAME="3_6">3.6 Daemons</A></H2>
+<P>The daemons provide additional network functions for the scheduler.
+ Currently only two daemons are provided with CUPS.</P>
+<H3><A NAME="3_6_1">3.6.1 Line Printer Daemon</A></H3>
+<P>The line printer daemon provides remote LPD client support and is run
+ by the <CODE>inetd(8)</CODE> daemon as needed.</P>
+<H3><A NAME="3_6_2">3.6.2 Polling Daemon</A></H3>
+<P>The polling daemon is used to poll a remote server for a list of
+ available printers and provide it to the scheduler for addition. A
+ separate polling daemon is run by the scheduler for every remote system
+ listed for polling in the scheduler configuration file.</P>
+<H2><A NAME="3_7">3.7 Filters</A></H2>
+<P>The filters implement file conversion services for CUPS. All filters
+ are called with a common set of arguments:</P>
+<UL>
+<LI>Printer name - the name of the destination printer (name string).</LI>
+<LI>Job Identifier - the job identifier for this job (integer).</LI>
+<LI>User Name - the user associated with this job (name string).</LI>
+<LI>Title - the title/job-name associated with this job (name string).</LI>
+<LI>Copies - the number of copies required (integer).</LI>
+<LI>Options - the options associated with this job (space separated
+ option strings).</LI>
+<LI>Filename (optional) - the file to print; if this option is not
+ specified, the filter must read the input file from the standard input.</LI>
+</UL>
+<P>Filters are added to the MIME conversion data file and implement all
+ necessary conversions from one file type to another.</P>
+<H3><A NAME="3_7_1">3.7.1 hpgltops</A></H3>
+<P>The hpgltops filter converts HP-GL/2 files into PostScript.</P>
+<H3><A NAME="3_7_2">3.7.2 imagetops</A></H3>
+<P>The imagetops filter converts image files into PostScript.</P>
+<H3><A NAME="3_7_3">3.7.3 imagetoraster</A></H3>
+<P>The imagetoraster filter converts image files into CUPS raster data.</P>
+<H3><A NAME="3_7_4">3.7.4 pdftops</A></H3>
+<P>The pdftops filter converts PDF files into PostScript.</P>
+<H3><A NAME="3_7_5">3.7.5 pstops</A></H3>
+<P>The pstops filter inserts printer-specific commands from PPD files
+ and performs page filtering as requested by the user.</P>
+<H3><A NAME="3_7_6">3.7.6 pstoraster</A></H3>
+<P>The pstoraster filter converts PostScript program data into CUPS
+ raster data.</P>
+<H3><A NAME="3_7_7">3.7.7 rastertoepson</A></H3>
+<P>The rastertoepson filter handles converting CUPS raster data to ESC/P
+ and supports both color and black-and-white printers.</P>
+<H3><A NAME="3_7_8">3.7.8 rastertohp</A></H3>
+<P>The rastertohp filter handles converting CUPS raster data to HP-PCL
+ and supports both color and black-and-white printers.</P>
+<H3><A NAME="3_7_9">3.7.9 texttops</A></H3>
+<P>The texttops filter converts text files into PostScript.</P>
+<H2><A NAME="3_8">3.8 Scheduler</A></H2>
+<P>The scheduler is a fully-functional HTTP/1.1 and IPP/1.1 server that
+ manages the printers, classes, and jobs in the system. It also handles
+ a simple broadcast-based directory service so that remote print queues
+ and classes can be accessed transparently from the local system.</P>
+<H3><A NAME="3_8_1">3.8.1 Authorization</A></H3>
+<P>The authorization module is responsible for performing access control
+ and authentication for all HTTP and IPP requests entering the system.</P>
+<H3><A NAME="3_8_2">3.8.2 Classes</A></H3>
+<P>The classes module is responsible for managing printer classes in the
+ system. Each class is a collection of local and/or remote printers. The
+ classes module also reads and writes the classes configuration file.</P>
+<H3><A NAME="3_8_3">3.8.3 Client</A></H3>
+<P>The client module is responsible for all HTTP client communications.
+ It handles listening on selected interfaces, accepting connections from
+ prospective clients, processing incoming HTTP requests, and sending
+ HTTP responses to those requests. The client module also is responsible
+ for executing the external CGI programs as needed to support web-based
+ printer, class, and job status monitoring and administration.</P>
+<P>Once authorized, all IPP requests are sent to the IPP module.</P>
+<H3><A NAME="3_8_4">3.8.4 Configuration</A></H3>
+<P>The configuration module is responsible for reading the CUPS
+ configuration file and initializing the appropriate data structures and
+ values. The configuration module also stops CUPS services before
+ reading the configuration file and restarts them after the
+ configuration file has been read.</P>
+<H3><A NAME="3_8_5">3.8.5 Devices</A></H3>
+<P>The devices module is responsible for managing the list of available
+ devices for the CUPS-Get-Devices operation.</P>
+<H3><A NAME="3_8_6">3.8.6 Directory Services</A></H3>
+<P>The directory services module sends and recieves printer state
+ information over a broadcast socket. Remote printers and classes are
+ automatically added to or removed from the local printer and class
+ lists as needed.</P>
+<P>The directory services module can only recieve printer state
+ information over a single UDP port, however it can broadcast to
+ multiple addresses and ports as needed.</P>
+<H3><A NAME="3_8_7">3.8.7 IPP</A></H3>
+<P>The IPP module handles IPP requests and acts accordingly. URI
+ validation is also performed here, as a client can post IPP data to any
+ URI on the server which might sidestep the access control or
+ authentication of the HTTP server.</P>
+<H3><A NAME="3_8_8">3.8.8 Jobs</A></H3>
+<P>The jobs module manages print jobs, starts filter and backend
+ processes for jobs to be printed, and monitors status messages from
+ those filters and backends.</P>
+<H3><A NAME="3_8_9">3.8.9 Logging</A></H3>
+<P>The logging module manages the access, error, and page log files that
+ are generated by the scheduler.</P>
+<H3><A NAME="3_8_10">3.8.10 Main</A></H3>
+<P>The main module is responsible for timing out and dispatching input
+ and output for client connections. It also watches for incoming <CODE>
+SIGHUP</CODE> and <CODE>SIGCHLD</CODE> signals, reloads the server
+ configuration files as needed, and handles child process errors and
+ exits.</P>
+<H3><A NAME="3_8_11">3.8.11 MIME</A></H3>
+<P>The Multimedia Internet Mail Exchange module manages a MIME type and
+ conversion database that supports file typing by extension and content
+ and least-cost file filtering from a source to a destination file type.</P>
+<H3><A NAME="3_8_12">3.8.12 PPDs</A></H3>
+<P>The PPDs module is responsible for managing the list of available PPD
+ files for the CUPS-Get-PPDs operation.</P>
+<H3><A NAME="3_8_13">3.8.13 Printers</A></H3>
+<P>The printers module is responsible for managing printers and PPD
+ files in the system. The printers module also reads and writes the
+ printers configuration file.</P>
+<H2><A NAME="3_9">3.9 System V Commands</A></H2>
+<P>The System V commands provide a robust command-line interface to CUPS
+ to submit and control printers and jobs.</P>
+<H3><A NAME="3_9_1">3.9.1 accept</A></H3>
+<P>The accept command tells the scheduler to accept new jobs for
+ specific printers.</P>
+<H3><A NAME="3_9_2">3.9.2 cancel</A></H3>
+<P>The cancel command tells the scheduler to cancel one or more jobs
+ that are queued for printing.</P>
+<H3><A NAME="3_9_3">3.9.3 disable</A></H3>
+<P>The disable command tells the scheduler to stop printing jobs on the
+ specified printers.</P>
+<H3><A NAME="3_9_4">3.9.4 enable</A></H3>
+<P>The enable command tells the scheduler to start printing jobs on the
+ specified printers.</P>
+<H3><A NAME="3_9_5">3.9.5 lp</A></H3>
+<P>The lp command submits submits files for printing. Unlike the
+ standard System V lp command, a single CUPS lp command will generate a
+ separate job ID for each file that is printed. Also, the Solaris &quot;f&quot;,
+ &quot;H&quot;, &quot;P&quot;, &quot;S&quot;, and &quot;y&quot; options are silently ignored.</P>
+<H3><A NAME="3_9_6">3.9.6 lpadmin</A></H3>
+<P>The lpadmin command manages printer queues and classes. The Solaris
+ &quot;A&quot;, &quot;F&quot;, &quot;I&quot;, &quot;M&quot;, &quot;P&quot;, &quot;Q&quot;, &quot;S&quot;, &quot;T&quot;, &quot;U&quot;, &quot;W&quot;, &quot;f&quot;, &quot;l&quot;, &quot;m&quot;, &quot;o&quot;,
+ &quot;s&quot;, &quot;t&quot;, and &quot;u&quot; options are not supported, and new options &quot;P&quot; (PPD
+ file) and &quot;E&quot; (enable and accept) are provided to configure
+ CUPS-specific features.</P>
+<H3><A NAME="3_9_7">3.9.7 lpinfo</A></H3>
+<P>The lpinfo command lists the available PPD files or devices as
+ selected by the user.</P>
+<H3><A NAME="3_9_8">3.9.8 lpmove</A></H3>
+<P>The lpmove command moves a print job to a new destination.</P>
+<H3><A NAME="3_9_9">3.9.9 lpoptions</A></H3>
+<P>The lpoptions command manages user-defined printers and options.</P>
+<H3><A NAME="3_9_10">3.9.10 lpstat</A></H3>
+<P>The lpstat command lists printers, classes, and jobs as requested by
+ the user.</P>
+<H3><A NAME="3_9_11">3.9.11 reject</A></H3>
+<P>The reject command tells the scheduler not to accept new jobs for
+ specific printers.</P>
+<H1 TYPE="A" VALUE="1"><A NAME="4">A Glossary</A></H1>
+<H2><A NAME="4_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="4_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
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+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SDD-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Design Description</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+This software design description document provides general information 
+on the architecture and coding of the Common UNIX Printing System 
+(&quot;CUPS&quot;) Version 1.1.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+This software design description document is organized into the 
+following sections:
+
+<UL>
+
+	<LI>1 - Scope
+
+	<LI>2 - References
+
+	<LI>3 - Design Overview
+
+	<LI>A - Glossary
+
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Design Overview</H1>
+
+CUPS is composed of 9 software sub-systems that operate together to 
+perform common printing tasks:
+
+<UL>
+
+	<LI>Backends
+
+	<LI>Berkeley Commands
+
+	<LI>CGI
+
+	<LI>CUPS Application Programmers Interface
+
+	<LI>CUPS Imaging Library
+
+	<LI>Daemons
+
+	<LI>Filters
+
+	<LI>Scheduler
+
+	<LI>System V Commands
+
+</UL>
+
+<H2>Backends</H2>
+
+The backends implement communications over a number of different interfaces.
+All backends are called with a common set of arguments:
+
+<UL>
+
+	<LI>Device URI - the Uniform Resource Identifier for the output device
+	(e.g. <CODE>parallel:/dev/plp</CODE>,
+	<CODE>ipp://hostname/resource</CODE>).
+
+	<LI>Job Identifier - the job identifier for this job (integer).
+
+	<LI>User Name - the user associated with this job (name string).
+
+	<LI>Title - the title/job-name associated with this job (name string).
+
+	<LI>Copies - the number of copies required (integer).
+
+	<LI>Options - the options associated with this job (space separated
+	option strings).
+
+	<LI>Filename (optional) - the file to print; if this option is not
+	specified, the backend must read the print file from the standard
+	input.
+
+</UL>
+
+<P>Backends are named using the scheme of the URI, so a URI of
+"ipp://hostname/resource" would be processed by the "ipp" backend.
+
+<H3>ipp</H3>
+
+<P>The ipp backend sends the specified job to a network printer or host using
+the Internet Printing Protocol.  The URI is as specified by the
+<CODE>printer-uri-supported</CODE> attribute from the printer or host.
+
+<H3>lpd</H3>
+
+<P>The lpd backend sends the specified job to a network printer or host using
+the Line Printer Daemon protocol.  The URI is of the form:
+
+<UL><PRE>lpd://hostname/queue
+</PRE></UL>
+
+<H3>parallel</H3>
+
+<P>The parallel backend sends the specified job to a local printer connected
+via the specified parallel port device.  The URI is of the form:
+
+<UL><PRE>parallel:/dev/file
+</PRE></UL>
+
+<H3>serial</H3>
+
+<P>The serial backend sends the specified job to a local printer connected
+via the specified serial port device.  The URI is of the form:
+
+<UL><PRE>serial:/dev/file?option[+option+...]
+</PRE></UL>
+
+The options can be any combination of the following:
+
+<UL>
+
+	<LI><CODE>baud=<I>rate</I></CODE> - Sets the baud rate for the device.
+
+	<LI><CODE>bits=<I>7 or 8</I></CODE> - Sets the number of data bits.
+
+	<LI><CODE>parity=<I>even</I></CODE> - Sets even parity checking.
+
+	<LI><CODE>parity=<I>odd</I></CODE> - Sets odd parity checking.
+
+	<LI><CODE>parity=<I>none</I></CODE> - Turns parity checking off.
+
+	<LI><CODE>flow=dtrdsr<I></I></CODE> - Turns DTR/DSR (hardware) flow
+	control on.
+
+	<LI><CODE>flow=hard<I></I></CODE> - Turns RTS/CTS
+	(hardware) flow control on.
+
+	<LI><CODE>flow=none<I></I></CODE> - Turns flow control off.
+
+	<LI><CODE>flow=rtscts<I></I></CODE> - Turns RTS/CTS
+	(hardware) flow control on.
+
+	<LI><CODE>flow=xonxoff<I></I></CODE> - Turns XON/XOFF
+	(software) flow control on.
+
+</UL>
+
+<H3>socket</H3>
+
+<P>The socket backend sends the specified job to a network host using the
+AppSocket protocol commonly used by Hewlett-Packard and Tektronix
+printers.  The URI is of the form:
+
+<UL><PRE>socket://hostname[:port]
+</PRE></UL>
+
+The default port number is 9100.
+
+<H3>usb</H3>
+
+<P>The usb backend sends the specified job to a local printer connected
+via the specified usb port device.  The URI is of the form:
+
+<UL><PRE>usb:/dev/file
+</PRE></UL>
+
+<H2>Berkeley Commands</H2>
+
+<P>The Berkeley commands provide a simple command-line interface to CUPS
+to submit and control print jobs. It is provided for compatibility with
+existing software that is hardcoded to use the Berkeley commands.
+
+<H3>lpc</H3>
+
+The lpc command allows users and administrators to check the status and
+control print queues.  The version provided with CUPS supports the following
+commands:
+
+<UL>
+
+	<LI>quit - Quits the lpc command.
+
+	<LI>status - Shows the status of printers and jobs in the queue.
+
+</UL>
+
+<H3>lpq</H3>
+
+<P>The lpq command shows the current queue status.
+
+<H3>lpr</H3>
+
+<P>The lpr command submits a job for printing.  The CUPS version of lpr silently
+ignores the "i", "t", "m", "h", and "s" options.
+
+<H3>lprm</H3>
+
+<P>The lprm removes one or more print jobs.
+
+<H2>CGI</H2>
+
+<P>The Common Gateway Interface (CGI) programs provide a web-based
+status interface to monitor the status of printers, classes, and jobs.
+Each of the CGIs utilize HTML template files that can be customized to
+provide alternate appearances.
+
+<H3>admin.cgi</H3>
+
+<P>The admin CGI provides administration interfaces for printers and
+classes. The user can add, modify, delete, start, stop, and configure
+printers and classes using "wizard" interfaces.
+
+<H3>classes.cgi</H3>
+
+<P>The classes CGI lists the available printer classes and any pending
+jobs for the class.  The user can click on individual classes to limit
+the display and click on jobs to see the job status.
+
+<H3>jobs.cgi</H3>
+
+<P>The jobs CGI lists the queued print jobs in order of priority.  The
+list can be limited by printer or job.
+
+<H3>printers.cgi</H3>
+
+<P>The printers CGI lists the available printer queues and any pending
+jobs for the printer.  The user can click on individual printers to
+limit the display and click on jobs to see the job status.
+
+<H2>CUPS Application Programmers Interface</H2>
+
+<P>The CUPS Application Programmers Interface ("API") provides common
+convenience, HTTP, IPP, language, and PPD functions used by the CUPS
+software.
+
+<H3>Convenience Functions</H3>
+
+<P>Convenience functions are provided to submit an IPP request, send a
+print file, cancel a job, get a list of available printers, get a list
+of available classes, get the default printer or class, get the default
+server name, get the local username, and get a password string.
+
+<H3>HTTP Functions</H3>
+
+<P>The HTTP functions provide functions to connect to HTTP servers,
+issue requests, read data from a server, and write data to a server.
+
+<H3>IPP Functions</H3>
+
+<P>The IPP function provide functions to manage IPP request data and
+attributes, read IPP responses from a server, and write IPP requests to
+a server.
+
+<H3>Language Functions</H3>
+
+<P>The language functions provide a standard interface for retrieving
+common textual messages for a particular locale and determining the
+correct encoding (e.g. US ASCII, UTF-8, ISO-8859-1, etc.)
+
+<H3>PPD Functions</H3>
+
+<P>The PostScript Printer Description functions manage PPD files,
+select options, check for option conflicts, and emit selected options
+in the correct order.
+
+<H2>CUPS Imaging Library</H2>
+
+<P>The CUPS imaging library provides colorspace conversion, color
+management, image management, scaling, image file, and raster functions
+used by the CUPS raster filters.
+
+<H3>Colorspace Conversion Functions</H3>
+
+<P>The colorspace conversion functions handle conversion of grayscale
+and RGB colors to grayscale, RGB, K, CMY, CMYK, and CMYKcm colorspaces.
+
+<H3>Color Management Functions</H3>
+
+<P>The color management functions handle gamut mapping and density
+correction. These are integrated with the colorspace conversion
+functions so that colorspace conversion and color management are
+processed in a single step.
+
+<H3>Image Management Functions</H3>
+
+<P>The image management functions manage a tiled image database that is
+swapped to/from disk as needed.
+
+<H3>Scaling Functions</H3>
+
+<P>The scaling functions provide image scaling services using
+nearest-neighbor sampling and bilinear interpolation as appropriate.
+
+<H3>Image File Functions</H3>
+
+<P>The image file functions handle loading of all image file formats.
+
+<H3>Raster Functions</H3>
+
+<P>The raster functions manage streams of CUPS raster data (described
+in the Interface Design Document) used by non-PostScript printer
+drivers and raster filters.
+
+<H2>Daemons</H2>
+
+<P>The daemons provide additional network functions for the scheduler.
+Currently only two daemons are provided with CUPS.
+
+<H3>Line Printer Daemon</H3>
+
+<P>The line printer daemon provides remote LPD client support and is
+run by the <CODE>inetd(8)</CODE> daemon as needed.
+
+<H3>Polling Daemon</H3>
+
+<P>The polling daemon is used to poll a remote server for a list of
+available printers and provide it to the scheduler for addition. A
+separate polling daemon is run by the scheduler for every remote
+system listed for polling in the scheduler configuration file.
+
+<H2>Filters</H2>
+
+<P>The filters implement file conversion services for CUPS. All filters
+are called with a common set of arguments:
+
+<UL>
+
+	<LI>Printer name - the name of the destination printer (name string).
+
+	<LI>Job Identifier - the job identifier for this job (integer).
+
+	<LI>User Name - the user associated with this job (name string).
+
+	<LI>Title - the title/job-name associated with this job (name string).
+
+	<LI>Copies - the number of copies required (integer).
+
+	<LI>Options - the options associated with this job (space separated
+	option strings).
+
+	<LI>Filename (optional) - the file to print; if this option is not
+	specified, the filter must read the input file from the standard
+	input.
+
+</UL>
+
+<P>Filters are added to the MIME conversion data file and implement all
+necessary conversions from one file type to another.
+
+<H3>hpgltops</H3>
+
+<P>The hpgltops filter converts HP-GL/2 files into PostScript.
+
+<H3>imagetops</H3>
+
+<P>The imagetops filter converts image files into PostScript.
+
+<H3>imagetoraster</H3>
+
+<P>The imagetoraster filter converts image files into CUPS raster data.
+
+<H3>pdftops</H3>
+
+<P>The pdftops filter converts PDF files into PostScript.
+
+<H3>pstops</H3>
+
+<P>The pstops filter inserts printer-specific commands from PPD files and
+performs page filtering as requested by the user.
+
+<H3>pstoraster</H3>
+
+<P>The pstoraster filter converts PostScript program data into CUPS
+raster data.
+
+<H3>rastertoepson</H3>
+
+<P>The rastertoepson filter handles converting CUPS raster data to
+ESC/P and supports both color and black-and-white printers.
+
+<H3>rastertohp</H3>
+
+<P>The rastertohp filter handles converting CUPS raster data to HP-PCL
+and supports both color and black-and-white printers.
+
+<H3>texttops</H3>
+
+<P>The texttops filter converts text files into PostScript.
+
+<H2>Scheduler</H2>
+
+<P>The scheduler is a fully-functional HTTP/1.1 and IPP/1.1 server that
+manages the printers, classes, and jobs in the system.  It also handles
+a simple broadcast-based directory service so that remote print queues
+and classes can be accessed transparently from the local system.
+
+<H3>Authorization</H3>
+
+<P>The authorization module is responsible for performing access
+control and authentication for all HTTP and IPP requests entering the
+system.
+
+<H3>Classes</H3>
+
+<P>The classes module is responsible for managing printer classes in
+the system. Each class is a collection of local and/or remote
+printers.  The classes module also reads and writes the classes
+configuration file.
+
+<H3>Client</H3>
+
+<P>The client module is responsible for all HTTP client
+communications.  It handles listening on selected interfaces, accepting
+connections from prospective clients, processing incoming HTTP
+requests, and sending HTTP responses to those requests.  The client
+module also is responsible for executing the external CGI programs as
+needed to support web-based printer, class, and job status monitoring
+and administration.
+
+<P>Once authorized, all IPP requests are sent to the IPP module.
+
+<H3>Configuration</H3>
+
+<P>The configuration module is responsible for reading the CUPS
+configuration file and initializing the appropriate data structures and
+values.  The configuration module also stops CUPS services before
+reading the configuration file and restarts them after the
+configuration file has been read.
+
+<H3>Devices</H3>
+
+<P>The devices module is responsible for managing the list of available
+devices for the CUPS-Get-Devices operation.
+
+<H3>Directory Services</H3>
+
+<P>The directory services module sends and recieves printer state
+information over a broadcast socket.  Remote printers and classes are
+automatically added to or removed from the local printer and class
+lists as needed.
+
+<P>The directory services module can only recieve printer state information
+over a single UDP port, however it can broadcast to multiple addresses and
+ports as needed.
+
+<H3>IPP</H3>
+
+<P>The IPP module handles IPP requests and acts accordingly.  URI
+validation is also performed here, as a client can post IPP data to any
+URI on the server which might sidestep the access control or
+authentication of the HTTP server.
+
+<H3>Jobs</H3>
+
+<P>The jobs module manages print jobs, starts filter and backend
+processes for jobs to be printed, and monitors status messages from
+those filters and backends.
+
+<H3>Logging</H3>
+
+<P>The logging module manages the access, error, and page log files
+that are generated by the scheduler.
+
+<H3>Main</H3>
+
+<P>The main module is responsible for timing out and dispatching input
+and output for client connections.  It also watches for incoming
+<CODE>SIGHUP</CODE> and <CODE>SIGCHLD</CODE> signals, reloads the
+server configuration files as needed, and handles child process errors
+and exits.
+
+<H3>MIME</H3>
+
+<P>The Multimedia Internet Mail Exchange module manages a MIME type and
+conversion database that supports file typing by extension and content
+and least-cost file filtering from a source to a destination file type.
+
+<H3>PPDs</H3>
+
+<P>The PPDs module is responsible for managing the list of available
+PPD files for the CUPS-Get-PPDs operation.
+
+<H3>Printers</H3>
+
+<P>The printers module is responsible for managing printers and PPD
+files in the system. The printers module also reads and writes the
+printers configuration file.
+
+<H2>System V Commands</H2>
+
+<P>The System V commands provide a robust command-line interface to
+CUPS to submit and control printers and jobs.
+
+<H3>accept</H3>
+
+<P>The accept command tells the scheduler to accept new jobs for specific
+printers.
+
+<H3>cancel</H3>
+
+<P>The cancel command tells the scheduler to cancel one or more jobs that are
+queued for printing.
+
+<H3>disable</H3>
+
+<P>The disable command tells the scheduler to stop printing jobs on the
+specified printers.
+
+<H3>enable</H3>
+
+<P>The enable command tells the scheduler to start printing jobs on the
+specified printers.
+
+<H3>lp</H3>
+
+<P>The lp command submits submits files for printing.  Unlike the standard
+System V lp command, a single CUPS lp command will generate a separate
+job ID for each file that is printed. Also, the Solaris "f", "H", "P", "S",
+and "y" options are silently ignored.
+
+<H3>lpadmin</H3>
+
+<P>The lpadmin command manages printer queues and classes.  The Solaris
+"A", "F", "I", "M", "P", "Q", "S", "T", "U", "W", "f", "l", "m", "o",
+"s", "t", and "u" options are not supported, and new options "P" (PPD
+file) and "E" (enable and accept) are provided to configure
+CUPS-specific features.
+
+<H3>lpinfo</H3>
+
+<P>The lpinfo command lists the available PPD files or devices as selected
+by the user.
+
+<H3>lpmove</H3>
+
+<P>The lpmove command moves a print job to a new destination.
+
+<H3>lpoptions</H3>
+
+<P>The lpoptions command manages user-defined printers and options.
+
+<H3>lpstat</H3>
+
+<P>The lpstat command lists printers, classes, and jobs as requested by the
+user.
+
+<H3>reject</H3>
+
+<P>The reject command tells the scheduler not to accept new jobs for specific
+printers.
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Programmers Manual</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SPM-1.1.13">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
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+H1 { font-family: sans-serif }
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+</HEAD>
+<BODY BGCOLOR="#ffffff">
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Programmers Manual</H1></A><BR>
+CUPS-SPM-1.1.13<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">Preface</A></B>
+<UL>
+<LI><A HREF="#1_1">System Overview</A></LI>
+<LI><A HREF="#1_2">Document Overview</A></LI>
+<LI><A HREF="#1_3">Notation Conventions</A></LI>
+<LI><A HREF="#1_4">Abbreviations</A></LI>
+<LI><A HREF="#1_5">Other References</A></LI>
+</UL>
+<B><A HREF="#OVERVIEW">1 - Printing System Overview</A></B>
+<UL>
+<LI><A HREF="#2_1">The Printing Problem</A></LI>
+<LI><A HREF="#2_2">The Technology</A></LI>
+<LI><A HREF="#2_3">Jobs</A></LI>
+<LI><A HREF="#2_4">Classes</A></LI>
+<LI><A HREF="#2_5">Filters</A></LI>
+<LI><A HREF="#2_6">Backends</A></LI>
+<LI><A HREF="#2_7">Printer Drivers</A></LI>
+<LI><A HREF="#2_8">Networking</A></LI>
+</UL>
+<B><A HREF="#CUPS_API">2 - The CUPS API</A></B>
+<UL>
+<LI><A HREF="#3_1">The CUPS API Library</A></LI>
+<UL>
+<LI><A HREF="#3_1_1">Detecting the CUPS API Library in GNU Autoconf</A></LI>
+</UL>
+<LI><A HREF="#3_2">Printing Services</A></LI>
+<UL>
+<LI><A HREF="#3_2_1">Include Files</A></LI>
+<LI><A HREF="#3_2_2">Printing a File</A></LI>
+<LI><A HREF="#3_2_3">Printing Multiple Files</A></LI>
+<LI><A HREF="#3_2_4">Cancelling Jobs</A></LI>
+<LI><A HREF="#3_2_5">Getting the Available Printers and Classes</A></LI>
+<LI><A HREF="#3_2_6">Printing with Options</A></LI>
+<LI><A HREF="#3_2_7">Setting Printer Options</A></LI>
+<LI><A HREF="#3_2_8">Getting Errors</A></LI>
+<LI><A HREF="#3_2_9">Passwords and Authentication</A></LI>
+</UL>
+<LI><A HREF="#3_3">PPD Services</A></LI>
+<UL>
+<LI><A HREF="#3_3_1">Include Files</A></LI>
+<LI><A HREF="#3_3_2">Getting a PPD File for a Printer</A></LI>
+<LI><A HREF="#3_3_3">Loading a PPD File</A></LI>
+<LI><A HREF="#3_3_4">Freeing PPD File Information</A></LI>
+<LI><A HREF="#3_3_5">The PPD File Structure</A></LI>
+<LI><A HREF="#3_3_6">Marking Options</A></LI>
+<LI><A HREF="#3_3_7">Checking for Conflicts</A></LI>
+</UL>
+</UL>
+<B><A HREF="#WRITING_FILTERS">3 - Writing Filters</A></B>
+<UL>
+<LI><A HREF="#4_1">Overview</A></LI>
+<UL>
+<LI><A HREF="#4_1_1">Security Considerations</A></LI>
+<LI><A HREF="#4_1_2">Users and Groups</A></LI>
+<LI><A HREF="#4_1_3">Temporary Files</A></LI>
+<LI><A HREF="#4_1_4">Sending Messages to the User</A></LI>
+<LI><A HREF="#4_1_5">Page Accounting</A></LI>
+<LI><A HREF="#4_1_6">Command-Line Arguments</A></LI>
+<LI><A HREF="#4_1_7">Copy Generation</A></LI>
+<LI><A HREF="#4_1_8">Environment Variables</A></LI>
+</UL>
+<LI><A HREF="#4_2">Dissecting the HP-GL/2 Filter</A></LI>
+<UL>
+<LI><A HREF="#4_2_1">Initializing the Filter</A></LI>
+</UL>
+<LI><A HREF="#4_3">PostScript Output</A></LI>
+</UL>
+<B><A HREF="#WRITING_DRIVERS">4 - Writing Printer Drivers</A></B>
+<UL>
+<LI><A HREF="#5_1">Overview</A></LI>
+<UL>
+<LI><A HREF="#5_1_1">CUPS Raster Data</A></LI>
+<LI><A HREF="#5_1_2">Page Accounting</A></LI>
+<LI><A HREF="#5_1_3">Color Management</A></LI>
+<LI><A HREF="#5_1_4">Device and Bitmap Variables</A></LI>
+</UL>
+<LI><A HREF="#5_2">Dissecting the HP-PCL Driver</A></LI>
+<UL>
+<LI><A HREF="#5_2_1">PPD Files</A></LI>
+<LI><A HREF="#5_2_2">Reading Raster Data</A></LI>
+</UL>
+</UL>
+<B><A HREF="#WRITING_BACKENDS">5 - Writing Backends</A></B>
+<UL>
+<LI><A HREF="#6_1">Overview</A></LI>
+<UL>
+<LI><A HREF="#6_1_1">Security Considerations</A></LI>
+<LI><A HREF="#6_1_2">Command-Line Arguments</A></LI>
+<LI><A HREF="#6_1_3">Copy Generation</A></LI>
+<LI><A HREF="#6_1_4">Page Accounting</A></LI>
+<LI><A HREF="#6_1_5">Exclusive Access</A></LI>
+<LI><A HREF="#6_1_6">Retries</A></LI>
+</UL>
+<LI><A HREF="#6_2">Dissecting the Serial Port Backend</A></LI>
+<UL>
+<LI><A HREF="#6_2_1">Supporting Device Discovery</A></LI>
+<LI><A HREF="#6_2_2">Opening the Serial Port</A></LI>
+<LI><A HREF="#6_2_3">Writing Data to the Port</A></LI>
+<LI><A HREF="#6_2_4">Finishing Up</A></LI>
+</UL>
+</UL>
+<B><A HREF="#LICENSE">A - Software License Agreement</A></B>
+<UL>
+<LI><A HREF="#7_1">Common UNIX Printing System License Agreement</A></LI>
+<UL>
+<LI><A HREF="#7_1_1">Introduction</A></LI>
+<LI><A HREF="#7_1_2">Trademarks</A></LI>
+<LI><A HREF="#7_1_3">Binary Distribution Rights</A></LI>
+<LI><A HREF="#7_1_4">Support</A></LI>
+</UL>
+<LI><A HREF="#7_2">GNU GENERAL PUBLIC LICENSE</A></LI>
+<LI><A HREF="#7_3">GNU LIBRARY GENERAL PUBLIC LICENSE</A></LI>
+</UL>
+<B><A HREF="#CONSTANTS">B - Constants</A></B>
+<UL>
+<LI><A HREF="#8_1">CUPS Constants</A></LI>
+<UL>
+<LI><A HREF="#8_1_1">Version Number</A></LI>
+<LI><A HREF="#8_1_2">Printer Capabilities</A></LI>
+<LI><A HREF="#8_1_3">Encodings</A></LI>
+</UL>
+<LI><A HREF="#8_2">HTTP Constants</A></LI>
+<UL>
+<LI><A HREF="#8_2_1">Limits</A></LI>
+<LI><A HREF="#8_2_2">Status Codes</A></LI>
+<LI><A HREF="#8_2_3">Fields</A></LI>
+</UL>
+<LI><A HREF="#8_3">IPP Constants</A></LI>
+<UL>
+<LI><A HREF="#8_3_1">Limits</A></LI>
+<LI><A HREF="#8_3_2">Tags</A></LI>
+<LI><A HREF="#8_3_3">Resolution Units</A></LI>
+<LI><A HREF="#8_3_4">Finishings</A></LI>
+<LI><A HREF="#8_3_5">Orientations</A></LI>
+<LI><A HREF="#8_3_6">Qualities</A></LI>
+<LI><A HREF="#8_3_7">Job States</A></LI>
+<LI><A HREF="#8_3_8">Printer States</A></LI>
+<LI><A HREF="#8_3_9">Operations</A></LI>
+<LI><A HREF="#8_3_10">Status Codes</A></LI>
+</UL>
+<LI><A HREF="#8_4">PPD Constants</A></LI>
+<UL>
+<LI><A HREF="#8_4_1">PPD Format Version</A></LI>
+<LI><A HREF="#8_4_2">PPD User-Interface Types</A></LI>
+<LI><A HREF="#8_4_3">PPD Sections</A></LI>
+<LI><A HREF="#8_4_4">PPD Colorspaces</A></LI>
+</UL>
+<LI><A HREF="#8_5">Raster Constants</A></LI>
+<UL>
+<LI><A HREF="#8_5_1">Raster Sync Words</A></LI>
+<LI><A HREF="#8_5_2">Raster Stream Modes</A></LI>
+<LI><A HREF="#8_5_3">Raster Boolean Constants</A></LI>
+<LI><A HREF="#8_5_4">Raster Jog Values</A></LI>
+<LI><A HREF="#8_5_5">Raster Orientation Values</A></LI>
+<LI><A HREF="#8_5_6">Raster CutMedia Values</A></LI>
+<LI><A HREF="#8_5_7">Raster AdvanceMedia Values</A></LI>
+<LI><A HREF="#8_5_8">Raster LeadingEdge Values</A></LI>
+<LI><A HREF="#8_5_9">Raster Color Order Values</A></LI>
+<LI><A HREF="#8_5_10">Raster Colorspace Values</A></LI>
+</UL>
+</UL>
+<B><A HREF="#STRUCTURES">C - Structures</A></B>
+<UL>
+<LI><A HREF="#9_1">CUPS Structures</A></LI>
+<UL>
+<LI><A HREF="#cups_dest_t">CUPS Destinations</A></LI>
+<LI><A HREF="#cups_job_t">CUPS Jobs</A></LI>
+<LI><A HREF="#cups_lang_t">CUPS Messages</A></LI>
+<LI><A HREF="#cups_option_t">CUPS Options</A></LI>
+</UL>
+<LI><A HREF="#9_2">Networking Structures</A></LI>
+<UL>
+<LI><A HREF="#http_t">HTTP State</A></LI>
+<LI><A HREF="#ipp_t">IPP State</A></LI>
+</UL>
+<LI><A HREF="#9_3">Raster Structures</A></LI>
+<UL>
+<LI><A HREF="#cups_raster_header_t">Raster Page Header</A></LI>
+</UL>
+</UL>
+<B><A HREF="#FUNCTIONS">D - Functions</A></B>
+<UL>
+<LI><A HREF="#cupsAddOption">cupsAddOption()</A></LI>
+<UL>
+<LI><A HREF="#10_1_1">Usage</A></LI>
+<LI><A HREF="#10_1_2">Arguments</A></LI>
+<LI><A HREF="#10_1_3">Returns</A></LI>
+<LI><A HREF="#10_1_4">Description</A></LI>
+<LI><A HREF="#10_1_5">Example</A></LI>
+<LI><A HREF="#10_1_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsCancelJob">cupsCancelJob()</A></LI>
+<UL>
+<LI><A HREF="#10_2_1">Usage</A></LI>
+<LI><A HREF="#10_2_2">Arguments</A></LI>
+<LI><A HREF="#10_2_3">Returns</A></LI>
+<LI><A HREF="#10_2_4">Description</A></LI>
+<LI><A HREF="#10_2_5">Example</A></LI>
+<LI><A HREF="#10_2_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsDoFileRequest">cupsDoFileRequest()</A></LI>
+<UL>
+<LI><A HREF="#10_3_1">Usage</A></LI>
+<LI><A HREF="#10_3_2">Arguments</A></LI>
+<LI><A HREF="#10_3_3">Returns</A></LI>
+<LI><A HREF="#10_3_4">Description</A></LI>
+<LI><A HREF="#10_3_5">Example</A></LI>
+<LI><A HREF="#10_3_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsDoRequest">cupsDoRequest()</A></LI>
+<UL>
+<LI><A HREF="#10_4_1">Usage</A></LI>
+<LI><A HREF="#10_4_2">Arguments</A></LI>
+<LI><A HREF="#10_4_3">Returns</A></LI>
+<LI><A HREF="#10_4_4">Description</A></LI>
+<LI><A HREF="#10_4_5">Example</A></LI>
+<LI><A HREF="#10_4_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsFreeOptions">cupsFreeOptions()</A></LI>
+<UL>
+<LI><A HREF="#10_5_1">Usage</A></LI>
+<LI><A HREF="#10_5_2">Arguments</A></LI>
+<LI><A HREF="#10_5_3">Description</A></LI>
+<LI><A HREF="#10_5_4">Example</A></LI>
+<LI><A HREF="#10_5_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsGetClasses">cupsGetClasses()</A></LI>
+<UL>
+<LI><A HREF="#10_6_1">Usage</A></LI>
+<LI><A HREF="#10_6_2">Arguments</A></LI>
+<LI><A HREF="#10_6_3">Returns</A></LI>
+<LI><A HREF="#10_6_4">Description</A></LI>
+<LI><A HREF="#10_6_5">Example</A></LI>
+<LI><A HREF="#10_6_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsGetDefault">cupsGetDefault()</A></LI>
+<UL>
+<LI><A HREF="#10_7_1">Usage</A></LI>
+<LI><A HREF="#10_7_2">Returns</A></LI>
+<LI><A HREF="#10_7_3">Description</A></LI>
+<LI><A HREF="#10_7_4">Example</A></LI>
+<LI><A HREF="#10_7_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsGetOption">cupsGetOption()</A></LI>
+<UL>
+<LI><A HREF="#10_8_1">Usage</A></LI>
+<LI><A HREF="#10_8_2">Arguments</A></LI>
+<LI><A HREF="#10_8_3">Returns</A></LI>
+<LI><A HREF="#10_8_4">Description</A></LI>
+<LI><A HREF="#10_8_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsGetPassword">cupsGetPassword()</A></LI>
+<UL>
+<LI><A HREF="#10_9_1">Usage</A></LI>
+<LI><A HREF="#10_9_2">Arguments</A></LI>
+<LI><A HREF="#10_9_3">Returns</A></LI>
+<LI><A HREF="#10_9_4">Description</A></LI>
+<LI><A HREF="#10_9_5">Example</A></LI>
+<LI><A HREF="#10_9_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsGetPPD">cupsGetPPD()</A></LI>
+<UL>
+<LI><A HREF="#10_10_1">Usage</A></LI>
+<LI><A HREF="#10_10_2">Arguments</A></LI>
+<LI><A HREF="#10_10_3">Returns</A></LI>
+<LI><A HREF="#10_10_4">Description</A></LI>
+<LI><A HREF="#10_10_5">Example</A></LI>
+</UL>
+<LI><A HREF="#cupsGetPrinters">cupsGetPrinters()</A></LI>
+<UL>
+<LI><A HREF="#10_11_1">Usage</A></LI>
+<LI><A HREF="#10_11_2">Arguments</A></LI>
+<LI><A HREF="#10_11_3">Returns</A></LI>
+<LI><A HREF="#10_11_4">Description</A></LI>
+<LI><A HREF="#10_11_5">Example</A></LI>
+<LI><A HREF="#10_11_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLangDefault">cupsLangDefault()</A></LI>
+<UL>
+<LI><A HREF="#10_12_1">Usage</A></LI>
+<LI><A HREF="#10_12_2">Returns</A></LI>
+<LI><A HREF="#10_12_3">Description</A></LI>
+<LI><A HREF="#10_12_4">Example</A></LI>
+<LI><A HREF="#10_12_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLangEncoding">cupsLangEncoding()</A></LI>
+<UL>
+<LI><A HREF="#10_13_1">Usage</A></LI>
+<LI><A HREF="#10_13_2">Arguments</A></LI>
+<LI><A HREF="#10_13_3">Returns</A></LI>
+<LI><A HREF="#10_13_4">Description</A></LI>
+<LI><A HREF="#10_13_5">Example</A></LI>
+<LI><A HREF="#10_13_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLangFlush">cupsLangFlush()</A></LI>
+<UL>
+<LI><A HREF="#10_14_1">Usage</A></LI>
+<LI><A HREF="#10_14_2">Description</A></LI>
+<LI><A HREF="#10_14_3">Example</A></LI>
+<LI><A HREF="#10_14_4">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLangFree">cupsLangFree()</A></LI>
+<UL>
+<LI><A HREF="#10_15_1">Usage</A></LI>
+<LI><A HREF="#10_15_2">Arguments</A></LI>
+<LI><A HREF="#10_15_3">Description</A></LI>
+<LI><A HREF="#10_15_4">Example</A></LI>
+<LI><A HREF="#10_15_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLangGet">cupsLangGet()</A></LI>
+<UL>
+<LI><A HREF="#10_16_1">Usage</A></LI>
+<LI><A HREF="#10_16_2">Arguments</A></LI>
+<LI><A HREF="#10_16_3">Returns</A></LI>
+<LI><A HREF="#10_16_4">Description</A></LI>
+<LI><A HREF="#10_16_5">Example</A></LI>
+<LI><A HREF="#10_16_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLangString">cupsLangString()</A></LI>
+<UL>
+<LI><A HREF="#10_17_1">Usage</A></LI>
+<LI><A HREF="#10_17_2">Arguments</A></LI>
+<LI><A HREF="#10_17_3">Returns</A></LI>
+<LI><A HREF="#10_17_4">Description</A></LI>
+<LI><A HREF="#10_17_5">Example</A></LI>
+<LI><A HREF="#10_17_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsLastError">cupsLastError()</A></LI>
+<UL>
+<LI><A HREF="#10_18_1">Usage</A></LI>
+<LI><A HREF="#10_18_2">Returns</A></LI>
+<LI><A HREF="#10_18_3">Description</A></LI>
+<LI><A HREF="#10_18_4">Example</A></LI>
+<LI><A HREF="#10_18_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsMarkOptions">cupsMarkOptions()</A></LI>
+<UL>
+<LI><A HREF="#10_19_1">Usage</A></LI>
+<LI><A HREF="#10_19_2">Arguments</A></LI>
+<LI><A HREF="#10_19_3">Returns</A></LI>
+<LI><A HREF="#10_19_4">Description</A></LI>
+<LI><A HREF="#10_19_5">Example</A></LI>
+<LI><A HREF="#10_19_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsParseOptions">cupsParseOptions()</A></LI>
+<UL>
+<LI><A HREF="#10_20_1">Usage</A></LI>
+<LI><A HREF="#10_20_2">Arguments</A></LI>
+<LI><A HREF="#10_20_3">Returns</A></LI>
+<LI><A HREF="#10_20_4">Description</A></LI>
+<LI><A HREF="#10_20_5">Example</A></LI>
+<LI><A HREF="#10_20_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsPrintFile">cupsPrintFile()</A></LI>
+<UL>
+<LI><A HREF="#10_21_1">Usage</A></LI>
+<LI><A HREF="#10_21_2">Arguments</A></LI>
+<LI><A HREF="#10_21_3">Returns</A></LI>
+<LI><A HREF="#10_21_4">Description</A></LI>
+<LI><A HREF="#10_21_5">Example</A></LI>
+<LI><A HREF="#10_21_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsPrintFiles">cupsPrintFiles()</A></LI>
+<UL>
+<LI><A HREF="#10_22_1">Usage</A></LI>
+<LI><A HREF="#10_22_2">Arguments</A></LI>
+<LI><A HREF="#10_22_3">Returns</A></LI>
+<LI><A HREF="#10_22_4">Description</A></LI>
+<LI><A HREF="#10_22_5">Example</A></LI>
+<LI><A HREF="#10_22_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsRasterClose">cupsRasterClose()</A></LI>
+<UL>
+<LI><A HREF="#10_23_1">Usage</A></LI>
+<LI><A HREF="#10_23_2">Arguments</A></LI>
+<LI><A HREF="#10_23_3">Description</A></LI>
+<LI><A HREF="#10_23_4">Example</A></LI>
+<LI><A HREF="#10_23_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsRasterOpen">cupsRasterOpen()</A></LI>
+<UL>
+<LI><A HREF="#10_24_1">Usage</A></LI>
+<LI><A HREF="#10_24_2">Arguments</A></LI>
+<LI><A HREF="#10_24_3">Returns</A></LI>
+<LI><A HREF="#10_24_4">Description</A></LI>
+<LI><A HREF="#10_24_5">Example</A></LI>
+<LI><A HREF="#10_24_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsRasterReadHeader">cupsRasterReadHeader()</A></LI>
+<UL>
+<LI><A HREF="#10_25_1">Usage</A></LI>
+<LI><A HREF="#10_25_2">Arguments</A></LI>
+<LI><A HREF="#10_25_3">Returns</A></LI>
+<LI><A HREF="#10_25_4">Description</A></LI>
+<LI><A HREF="#10_25_5">Example</A></LI>
+<LI><A HREF="#10_25_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsRasterReadPixels">cupsRasterReadPixels()</A></LI>
+<UL>
+<LI><A HREF="#10_26_1">Usage</A></LI>
+<LI><A HREF="#10_26_2">Arguments</A></LI>
+<LI><A HREF="#10_26_3">Returns</A></LI>
+<LI><A HREF="#10_26_4">Description</A></LI>
+<LI><A HREF="#10_26_5">Example</A></LI>
+<LI><A HREF="#10_26_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsRasterWriteHeader">cupsRasterWriteHeader()</A></LI>
+<UL>
+<LI><A HREF="#10_27_1">Usage</A></LI>
+<LI><A HREF="#10_27_2">Arguments</A></LI>
+<LI><A HREF="#10_27_3">Returns</A></LI>
+<LI><A HREF="#10_27_4">Description</A></LI>
+<LI><A HREF="#10_27_5">Example</A></LI>
+<LI><A HREF="#10_27_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsRasterWritePixels">cupsRasterWritePixels()</A></LI>
+<UL>
+<LI><A HREF="#10_28_1">Usage</A></LI>
+<LI><A HREF="#10_28_2">Arguments</A></LI>
+<LI><A HREF="#10_28_3">Returns</A></LI>
+<LI><A HREF="#10_28_4">Description</A></LI>
+<LI><A HREF="#10_28_5">Example</A></LI>
+<LI><A HREF="#10_28_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsServer">cupsServer()</A></LI>
+<UL>
+<LI><A HREF="#10_29_1">Usage</A></LI>
+<LI><A HREF="#10_29_2">Returns</A></LI>
+<LI><A HREF="#10_29_3">Description</A></LI>
+<LI><A HREF="#10_29_4">Example</A></LI>
+<LI><A HREF="#10_29_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsSetPasswordCB">cupsSetPasswordCB()</A></LI>
+<UL>
+<LI><A HREF="#10_30_1">Usage</A></LI>
+<LI><A HREF="#10_30_2">Arguments</A></LI>
+<LI><A HREF="#10_30_3">Description</A></LI>
+<LI><A HREF="#10_30_4">Example</A></LI>
+<LI><A HREF="#10_30_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsSetServer">cupsSetServer()</A></LI>
+<UL>
+<LI><A HREF="#10_31_1">Usage</A></LI>
+<LI><A HREF="#10_31_2">Arguments</A></LI>
+<LI><A HREF="#10_31_3">Description</A></LI>
+<LI><A HREF="#10_31_4">Example</A></LI>
+<LI><A HREF="#10_31_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsSetUser">cupsSetUser()</A></LI>
+<UL>
+<LI><A HREF="#10_32_1">Usage</A></LI>
+<LI><A HREF="#10_32_2">Arguments</A></LI>
+<LI><A HREF="#10_32_3">Description</A></LI>
+<LI><A HREF="#10_32_4">Example</A></LI>
+<LI><A HREF="#10_32_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#cupsTempFile">cupsTempFile()</A></LI>
+<UL>
+<LI><A HREF="#10_33_1">Usage</A></LI>
+<LI><A HREF="#10_33_2">Arguments</A></LI>
+<LI><A HREF="#10_33_3">Returns</A></LI>
+<LI><A HREF="#10_33_4">Description</A></LI>
+<LI><A HREF="#10_33_5">Example</A></LI>
+</UL>
+<LI><A HREF="#cupsUser">cupsUser()</A></LI>
+<UL>
+<LI><A HREF="#10_34_1">Usage</A></LI>
+<LI><A HREF="#10_34_2">Returns</A></LI>
+<LI><A HREF="#10_34_3">Description</A></LI>
+<LI><A HREF="#10_34_4">Example</A></LI>
+<LI><A HREF="#10_34_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpBlocking">httpBlocking()</A></LI>
+<UL>
+<LI><A HREF="#10_35_1">Usage</A></LI>
+<LI><A HREF="#10_35_2">Arguments</A></LI>
+<LI><A HREF="#10_35_3">Description</A></LI>
+<LI><A HREF="#10_35_4">Example</A></LI>
+<LI><A HREF="#10_35_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpCheck">httpCheck()</A></LI>
+<UL>
+<LI><A HREF="#10_36_1">Usage</A></LI>
+<LI><A HREF="#10_36_2">Arguments</A></LI>
+<LI><A HREF="#10_36_3">Returns</A></LI>
+<LI><A HREF="#10_36_4">Description</A></LI>
+<LI><A HREF="#10_36_5">Example</A></LI>
+<LI><A HREF="#10_36_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpClearFields">httpClearFields()</A></LI>
+<UL>
+<LI><A HREF="#10_37_1">Usage</A></LI>
+<LI><A HREF="#10_37_2">Arguments</A></LI>
+<LI><A HREF="#10_37_3">Description</A></LI>
+<LI><A HREF="#10_37_4">Example</A></LI>
+<LI><A HREF="#10_37_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpClose">httpClose()</A></LI>
+<UL>
+<LI><A HREF="#10_38_1">Usage</A></LI>
+<LI><A HREF="#10_38_2">Arguments</A></LI>
+<LI><A HREF="#10_38_3">Description</A></LI>
+<LI><A HREF="#10_38_4">Example</A></LI>
+<LI><A HREF="#10_38_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpConnect">httpConnect()</A></LI>
+<UL>
+<LI><A HREF="#10_39_1">Usage</A></LI>
+<LI><A HREF="#10_39_2">Arguments</A></LI>
+<LI><A HREF="#10_39_3">Returns</A></LI>
+<LI><A HREF="#10_39_4">Description</A></LI>
+<LI><A HREF="#10_39_5">Example</A></LI>
+<LI><A HREF="#10_39_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpDecode64">httpDecode64()</A></LI>
+<UL>
+<LI><A HREF="#10_40_1">Usage</A></LI>
+<LI><A HREF="#10_40_2">Arguments</A></LI>
+<LI><A HREF="#10_40_3">Returns</A></LI>
+<LI><A HREF="#10_40_4">Description</A></LI>
+<LI><A HREF="#10_40_5">Example</A></LI>
+<LI><A HREF="#10_40_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpDelete">httpDelete()</A></LI>
+<UL>
+<LI><A HREF="#10_41_1">Usage</A></LI>
+<LI><A HREF="#10_41_2">Arguments</A></LI>
+<LI><A HREF="#10_41_3">Returns</A></LI>
+<LI><A HREF="#10_41_4">Description</A></LI>
+<LI><A HREF="#10_41_5">Example</A></LI>
+<LI><A HREF="#10_41_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpEncode64">httpEncode64()</A></LI>
+<UL>
+<LI><A HREF="#10_42_1">Usage</A></LI>
+<LI><A HREF="#10_42_2">Arguments</A></LI>
+<LI><A HREF="#10_42_3">Returns</A></LI>
+<LI><A HREF="#10_42_4">Description</A></LI>
+<LI><A HREF="#10_42_5">Example</A></LI>
+<LI><A HREF="#10_42_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpError">httpError()</A></LI>
+<UL>
+<LI><A HREF="#10_43_1">Usage</A></LI>
+<LI><A HREF="#10_43_2">Arguments</A></LI>
+<LI><A HREF="#10_43_3">Returns</A></LI>
+<LI><A HREF="#10_43_4">Description</A></LI>
+<LI><A HREF="#10_43_5">Example</A></LI>
+<LI><A HREF="#10_43_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpFlush">httpFlush()</A></LI>
+<UL>
+<LI><A HREF="#10_44_1">Usage</A></LI>
+<LI><A HREF="#10_44_2">Arguments</A></LI>
+<LI><A HREF="#10_44_3">Description</A></LI>
+<LI><A HREF="#10_44_4">Example</A></LI>
+<LI><A HREF="#10_44_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpGet">httpGet()</A></LI>
+<UL>
+<LI><A HREF="#10_45_1">Usage</A></LI>
+<LI><A HREF="#10_45_2">Arguments</A></LI>
+<LI><A HREF="#10_45_3">Returns</A></LI>
+<LI><A HREF="#10_45_4">Description</A></LI>
+<LI><A HREF="#10_45_5">Example</A></LI>
+<LI><A HREF="#10_45_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpGets">httpGets()</A></LI>
+<UL>
+<LI><A HREF="#10_46_1">Usage</A></LI>
+<LI><A HREF="#10_46_2">Arguments</A></LI>
+<LI><A HREF="#10_46_3">Returns</A></LI>
+<LI><A HREF="#10_46_4">Description</A></LI>
+<LI><A HREF="#10_46_5">Example</A></LI>
+<LI><A HREF="#10_46_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpGetDateString">httpGetDateString()</A></LI>
+<UL>
+<LI><A HREF="#10_47_1">Usage</A></LI>
+<LI><A HREF="#10_47_2">Arguments</A></LI>
+<LI><A HREF="#10_47_3">Returns</A></LI>
+<LI><A HREF="#10_47_4">Description</A></LI>
+<LI><A HREF="#10_47_5">Example</A></LI>
+<LI><A HREF="#10_47_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpGetDateTime">httpGetDateTime()</A></LI>
+<UL>
+<LI><A HREF="#10_48_1">Usage</A></LI>
+<LI><A HREF="#10_48_2">Arguments</A></LI>
+<LI><A HREF="#10_48_3">Returns</A></LI>
+<LI><A HREF="#10_48_4">Description</A></LI>
+<LI><A HREF="#10_48_5">Example</A></LI>
+<LI><A HREF="#10_48_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpGetField">httpGetField()</A></LI>
+<UL>
+<LI><A HREF="#10_49_1">Usage</A></LI>
+<LI><A HREF="#10_49_2">Arguments</A></LI>
+<LI><A HREF="#10_49_3">Returns</A></LI>
+<LI><A HREF="#10_49_4">Description</A></LI>
+<LI><A HREF="#10_49_5">Example</A></LI>
+<LI><A HREF="#10_49_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpHead">httpHead()</A></LI>
+<UL>
+<LI><A HREF="#10_50_1">Usage</A></LI>
+<LI><A HREF="#10_50_2">Arguments</A></LI>
+<LI><A HREF="#10_50_3">Returns</A></LI>
+<LI><A HREF="#10_50_4">Description</A></LI>
+<LI><A HREF="#10_50_5">Example</A></LI>
+<LI><A HREF="#10_50_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpInitialize">httpInitialize()</A></LI>
+<UL>
+<LI><A HREF="#10_51_1">Usage</A></LI>
+<LI><A HREF="#10_51_2">Description</A></LI>
+<LI><A HREF="#10_51_3">Example</A></LI>
+<LI><A HREF="#10_51_4">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpOptions">httpOptions()</A></LI>
+<UL>
+<LI><A HREF="#10_52_1">Usage</A></LI>
+<LI><A HREF="#10_52_2">Arguments</A></LI>
+<LI><A HREF="#10_52_3">Returns</A></LI>
+<LI><A HREF="#10_52_4">Description</A></LI>
+<LI><A HREF="#10_52_5">Example</A></LI>
+<LI><A HREF="#10_52_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpPost">httpPost()</A></LI>
+<UL>
+<LI><A HREF="#10_53_1">Usage</A></LI>
+<LI><A HREF="#10_53_2">Arguments</A></LI>
+<LI><A HREF="#10_53_3">Returns</A></LI>
+<LI><A HREF="#10_53_4">Description</A></LI>
+<LI><A HREF="#10_53_5">Example</A></LI>
+<LI><A HREF="#10_53_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpPrintf">httpPrintf()</A></LI>
+<UL>
+<LI><A HREF="#10_54_1">Usage</A></LI>
+<LI><A HREF="#10_54_2">Arguments</A></LI>
+<LI><A HREF="#10_54_3">Returns</A></LI>
+<LI><A HREF="#10_54_4">Description</A></LI>
+<LI><A HREF="#10_54_5">Example</A></LI>
+<LI><A HREF="#10_54_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpPut">httpPut()</A></LI>
+<UL>
+<LI><A HREF="#10_55_1">Usage</A></LI>
+<LI><A HREF="#10_55_2">Arguments</A></LI>
+<LI><A HREF="#10_55_3">Returns</A></LI>
+<LI><A HREF="#10_55_4">Description</A></LI>
+<LI><A HREF="#10_55_5">Example</A></LI>
+<LI><A HREF="#10_55_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpRead">httpRead()</A></LI>
+<UL>
+<LI><A HREF="#10_56_1">Usage</A></LI>
+<LI><A HREF="#10_56_2">Arguments</A></LI>
+<LI><A HREF="#10_56_3">Returns</A></LI>
+<LI><A HREF="#10_56_4">Description</A></LI>
+<LI><A HREF="#10_56_5">Example</A></LI>
+<LI><A HREF="#10_56_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpReconnect">httpReconnect()</A></LI>
+<UL>
+<LI><A HREF="#10_57_1">Usage</A></LI>
+<LI><A HREF="#10_57_2">Arguments</A></LI>
+<LI><A HREF="#10_57_3">Returns</A></LI>
+<LI><A HREF="#10_57_4">Description</A></LI>
+<LI><A HREF="#10_57_5">Example</A></LI>
+<LI><A HREF="#10_57_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpSeparate">httpSeparate()</A></LI>
+<UL>
+<LI><A HREF="#10_58_1">Usage</A></LI>
+<LI><A HREF="#10_58_2">Arguments</A></LI>
+<LI><A HREF="#10_58_3">Description</A></LI>
+<LI><A HREF="#10_58_4">Example</A></LI>
+<LI><A HREF="#10_58_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpSetField">httpSetField()</A></LI>
+<UL>
+<LI><A HREF="#10_59_1">Usage</A></LI>
+<LI><A HREF="#10_59_2">Arguments</A></LI>
+<LI><A HREF="#10_59_3">Description</A></LI>
+<LI><A HREF="#10_59_4">Example</A></LI>
+<LI><A HREF="#10_59_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpTrace">httpTrace()</A></LI>
+<UL>
+<LI><A HREF="#10_60_1">Usage</A></LI>
+<LI><A HREF="#10_60_2">Arguments</A></LI>
+<LI><A HREF="#10_60_3">Returns</A></LI>
+<LI><A HREF="#10_60_4">Description</A></LI>
+<LI><A HREF="#10_60_5">Example</A></LI>
+<LI><A HREF="#10_60_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpUpdate">httpUpdate()</A></LI>
+<UL>
+<LI><A HREF="#10_61_1">Usage</A></LI>
+<LI><A HREF="#10_61_2">Arguments</A></LI>
+<LI><A HREF="#10_61_3">Returns</A></LI>
+<LI><A HREF="#10_61_4">Description</A></LI>
+<LI><A HREF="#10_61_5">Example</A></LI>
+<LI><A HREF="#10_61_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#httpWrite">httpWrite()</A></LI>
+<UL>
+<LI><A HREF="#10_62_1">Usage</A></LI>
+<LI><A HREF="#10_62_2">Arguments</A></LI>
+<LI><A HREF="#10_62_3">Returns</A></LI>
+<LI><A HREF="#10_62_4">Description</A></LI>
+<LI><A HREF="#10_62_5">Example</A></LI>
+<LI><A HREF="#10_62_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddBoolean">ippAddBoolean()</A></LI>
+<UL>
+<LI><A HREF="#10_63_1">Usage</A></LI>
+<LI><A HREF="#10_63_2">Arguments</A></LI>
+<LI><A HREF="#10_63_3">Returns</A></LI>
+<LI><A HREF="#10_63_4">Description</A></LI>
+<LI><A HREF="#10_63_5">Example</A></LI>
+<LI><A HREF="#10_63_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddBooleans">ippAddBooleans()</A></LI>
+<UL>
+<LI><A HREF="#10_64_1">Usage</A></LI>
+<LI><A HREF="#10_64_2">Arguments</A></LI>
+<LI><A HREF="#10_64_3">Returns</A></LI>
+<LI><A HREF="#10_64_4">Description</A></LI>
+<LI><A HREF="#10_64_5">Example</A></LI>
+<LI><A HREF="#10_64_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddDate">ippAddDate()</A></LI>
+<UL>
+<LI><A HREF="#10_65_1">Usage</A></LI>
+<LI><A HREF="#10_65_2">Arguments</A></LI>
+<LI><A HREF="#10_65_3">Returns</A></LI>
+<LI><A HREF="#10_65_4">Description</A></LI>
+<LI><A HREF="#10_65_5">Example</A></LI>
+<LI><A HREF="#10_65_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddInteger">ippAddInteger()</A></LI>
+<UL>
+<LI><A HREF="#10_66_1">Usage</A></LI>
+<LI><A HREF="#10_66_2">Arguments</A></LI>
+<LI><A HREF="#10_66_3">Returns</A></LI>
+<LI><A HREF="#10_66_4">Description</A></LI>
+<LI><A HREF="#10_66_5">Example</A></LI>
+<LI><A HREF="#10_66_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddIntegers">ippAddIntegers()</A></LI>
+<UL>
+<LI><A HREF="#10_67_1">Usage</A></LI>
+<LI><A HREF="#10_67_2">Arguments</A></LI>
+<LI><A HREF="#10_67_3">Returns</A></LI>
+<LI><A HREF="#10_67_4">Description</A></LI>
+<LI><A HREF="#10_67_5">Example</A></LI>
+<LI><A HREF="#10_67_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddRange">ippAddRange()</A></LI>
+<UL>
+<LI><A HREF="#10_68_1">Usage</A></LI>
+<LI><A HREF="#10_68_2">Arguments</A></LI>
+<LI><A HREF="#10_68_3">Returns</A></LI>
+<LI><A HREF="#10_68_4">Description</A></LI>
+<LI><A HREF="#10_68_5">Example</A></LI>
+<LI><A HREF="#10_68_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddRanges">ippAddRanges()</A></LI>
+<UL>
+<LI><A HREF="#10_69_1">Usage</A></LI>
+<LI><A HREF="#10_69_2">Arguments</A></LI>
+<LI><A HREF="#10_69_3">Returns</A></LI>
+<LI><A HREF="#10_69_4">Description</A></LI>
+<LI><A HREF="#10_69_5">Example</A></LI>
+<LI><A HREF="#10_69_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddResolution">ippAddResolution()</A></LI>
+<UL>
+<LI><A HREF="#10_70_1">Usage</A></LI>
+<LI><A HREF="#10_70_2">Arguments</A></LI>
+<LI><A HREF="#10_70_3">Returns</A></LI>
+<LI><A HREF="#10_70_4">Description</A></LI>
+<LI><A HREF="#10_70_5">Example</A></LI>
+<LI><A HREF="#10_70_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddResolutions">ippAddResolutions()</A></LI>
+<UL>
+<LI><A HREF="#10_71_1">Usage</A></LI>
+<LI><A HREF="#10_71_2">Arguments</A></LI>
+<LI><A HREF="#10_71_3">Returns</A></LI>
+<LI><A HREF="#10_71_4">Description</A></LI>
+<LI><A HREF="#10_71_5">Example</A></LI>
+<LI><A HREF="#10_71_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddSeparator">ippAddSeparator()</A></LI>
+<UL>
+<LI><A HREF="#10_72_1">Usage</A></LI>
+<LI><A HREF="#10_72_2">Arguments</A></LI>
+<LI><A HREF="#10_72_3">Returns</A></LI>
+<LI><A HREF="#10_72_4">Description</A></LI>
+<LI><A HREF="#10_72_5">Example</A></LI>
+<LI><A HREF="#10_72_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddString">ippAddString()</A></LI>
+<UL>
+<LI><A HREF="#10_73_1">Usage</A></LI>
+<LI><A HREF="#10_73_2">Arguments</A></LI>
+<LI><A HREF="#10_73_3">Returns</A></LI>
+<LI><A HREF="#10_73_4">Description</A></LI>
+<LI><A HREF="#10_73_5">Example</A></LI>
+<LI><A HREF="#10_73_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippAddStrings">ippAddStrings()</A></LI>
+<UL>
+<LI><A HREF="#10_74_1">Usage</A></LI>
+<LI><A HREF="#10_74_2">Arguments</A></LI>
+<LI><A HREF="#10_74_3">Returns</A></LI>
+<LI><A HREF="#10_74_4">Description</A></LI>
+<LI><A HREF="#10_74_5">Example</A></LI>
+<LI><A HREF="#10_74_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippDateToTime">ippDateToTime()</A></LI>
+<UL>
+<LI><A HREF="#10_75_1">Usage</A></LI>
+<LI><A HREF="#10_75_2">Arguments</A></LI>
+<LI><A HREF="#10_75_3">Returns</A></LI>
+<LI><A HREF="#10_75_4">Description</A></LI>
+<LI><A HREF="#10_75_5">Example</A></LI>
+<LI><A HREF="#10_75_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippDelete">ippDelete()</A></LI>
+<UL>
+<LI><A HREF="#10_76_1">Usage</A></LI>
+<LI><A HREF="#10_76_2">Arguments</A></LI>
+<LI><A HREF="#10_76_3">Description</A></LI>
+<LI><A HREF="#10_76_4">Example</A></LI>
+<LI><A HREF="#10_76_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippFindAttribute">ippFindAttribute()</A></LI>
+<UL>
+<LI><A HREF="#10_77_1">Usage</A></LI>
+<LI><A HREF="#10_77_2">Arguments</A></LI>
+<LI><A HREF="#10_77_3">Returns</A></LI>
+<LI><A HREF="#10_77_4">Description</A></LI>
+<LI><A HREF="#10_77_5">Example</A></LI>
+<LI><A HREF="#10_77_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippLength">ippLength()</A></LI>
+<UL>
+<LI><A HREF="#10_78_1">Usage</A></LI>
+<LI><A HREF="#10_78_2">Arguments</A></LI>
+<LI><A HREF="#10_78_3">Returns</A></LI>
+<LI><A HREF="#10_78_4">Description</A></LI>
+<LI><A HREF="#10_78_5">Example</A></LI>
+<LI><A HREF="#10_78_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippNew">ippNew()</A></LI>
+<UL>
+<LI><A HREF="#10_79_1">Usage</A></LI>
+<LI><A HREF="#10_79_2">Returns</A></LI>
+<LI><A HREF="#10_79_3">Description</A></LI>
+<LI><A HREF="#10_79_4">Example</A></LI>
+<LI><A HREF="#10_79_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippPort">ippPort()</A></LI>
+<UL>
+<LI><A HREF="#10_80_1">Usage</A></LI>
+<LI><A HREF="#10_80_2">Returns</A></LI>
+<LI><A HREF="#10_80_3">Description</A></LI>
+<LI><A HREF="#10_80_4">Example</A></LI>
+<LI><A HREF="#10_80_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippRead">ippRead()</A></LI>
+<UL>
+<LI><A HREF="#10_81_1">Usage</A></LI>
+<LI><A HREF="#10_81_2">Arguments</A></LI>
+<LI><A HREF="#10_81_3">Returns</A></LI>
+<LI><A HREF="#10_81_4">Description</A></LI>
+<LI><A HREF="#10_81_5">Example</A></LI>
+<LI><A HREF="#10_81_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippSetPort">ippSetPort()</A></LI>
+<UL>
+<LI><A HREF="#10_82_1">Usage</A></LI>
+<LI><A HREF="#10_82_2">Arguments</A></LI>
+<LI><A HREF="#10_82_3">Description</A></LI>
+<LI><A HREF="#10_82_4">Example</A></LI>
+<LI><A HREF="#10_82_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippTimeToDate">ippTimeToDate()</A></LI>
+<UL>
+<LI><A HREF="#10_83_1">Usage</A></LI>
+<LI><A HREF="#10_83_2">Arguments</A></LI>
+<LI><A HREF="#10_83_3">Returns</A></LI>
+<LI><A HREF="#10_83_4">Description</A></LI>
+<LI><A HREF="#10_83_5">Example</A></LI>
+<LI><A HREF="#10_83_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ippWrite">ippWrite()</A></LI>
+<UL>
+<LI><A HREF="#10_84_1">Usage</A></LI>
+<LI><A HREF="#10_84_2">Arguments</A></LI>
+<LI><A HREF="#10_84_3">Returns</A></LI>
+<LI><A HREF="#10_84_4">Description</A></LI>
+<LI><A HREF="#10_84_5">Example</A></LI>
+<LI><A HREF="#10_84_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdClose">ppdClose()</A></LI>
+<UL>
+<LI><A HREF="#10_85_1">Usage</A></LI>
+<LI><A HREF="#10_85_2">Arguments</A></LI>
+<LI><A HREF="#10_85_3">Description</A></LI>
+<LI><A HREF="#10_85_4">Example</A></LI>
+<LI><A HREF="#10_85_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdConflicts">ppdConflicts()</A></LI>
+<UL>
+<LI><A HREF="#10_86_1">Usage</A></LI>
+<LI><A HREF="#10_86_2">Arguments</A></LI>
+<LI><A HREF="#10_86_3">Returns</A></LI>
+<LI><A HREF="#10_86_4">Description</A></LI>
+<LI><A HREF="#10_86_5">Example</A></LI>
+<LI><A HREF="#10_86_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdEmit">ppdEmit()</A></LI>
+<UL>
+<LI><A HREF="#10_87_1">Usage</A></LI>
+<LI><A HREF="#10_87_2">Arguments</A></LI>
+<LI><A HREF="#10_87_3">Returns</A></LI>
+<LI><A HREF="#10_87_4">Description</A></LI>
+<LI><A HREF="#10_87_5">Example</A></LI>
+<LI><A HREF="#10_87_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdEmitFd">ppdEmitFd()</A></LI>
+<UL>
+<LI><A HREF="#10_88_1">Usage</A></LI>
+<LI><A HREF="#10_88_2">Arguments</A></LI>
+<LI><A HREF="#10_88_3">Returns</A></LI>
+<LI><A HREF="#10_88_4">Description</A></LI>
+<LI><A HREF="#10_88_5">Example</A></LI>
+<LI><A HREF="#10_88_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdFindChoice">ppdFindChoice()</A></LI>
+<UL>
+<LI><A HREF="#10_89_1">Usage</A></LI>
+<LI><A HREF="#10_89_2">Arguments</A></LI>
+<LI><A HREF="#10_89_3">Returns</A></LI>
+<LI><A HREF="#10_89_4">Description</A></LI>
+<LI><A HREF="#10_89_5">Example</A></LI>
+<LI><A HREF="#10_89_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdFindMarkedChoice">ppdFindMarkedChoice()</A></LI>
+<UL>
+<LI><A HREF="#10_90_1">Usage</A></LI>
+<LI><A HREF="#10_90_2">Arguments</A></LI>
+<LI><A HREF="#10_90_3">Returns</A></LI>
+<LI><A HREF="#10_90_4">Description</A></LI>
+<LI><A HREF="#10_90_5">Example</A></LI>
+<LI><A HREF="#10_90_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdFindOption">ppdFindOption()</A></LI>
+<UL>
+<LI><A HREF="#10_91_1">Usage</A></LI>
+<LI><A HREF="#10_91_2">Arguments</A></LI>
+<LI><A HREF="#10_91_3">Returns</A></LI>
+<LI><A HREF="#10_91_4">Description</A></LI>
+<LI><A HREF="#10_91_5">Example</A></LI>
+<LI><A HREF="#10_91_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdIsMarked">ppdIsMarked()</A></LI>
+<UL>
+<LI><A HREF="#10_92_1">Usage</A></LI>
+<LI><A HREF="#10_92_2">Arguments</A></LI>
+<LI><A HREF="#10_92_3">Returns</A></LI>
+<LI><A HREF="#10_92_4">Description</A></LI>
+<LI><A HREF="#10_92_5">Example</A></LI>
+<LI><A HREF="#10_92_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdMarkDefaults">ppdMarkDefaults()</A></LI>
+<UL>
+<LI><A HREF="#10_93_1">Usage</A></LI>
+<LI><A HREF="#10_93_2">Arguments</A></LI>
+<LI><A HREF="#10_93_3">Description</A></LI>
+<LI><A HREF="#10_93_4">Example</A></LI>
+<LI><A HREF="#10_93_5">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdMarkOption">ppdMarkOption()</A></LI>
+<UL>
+<LI><A HREF="#10_94_1">Usage</A></LI>
+<LI><A HREF="#10_94_2">Arguments</A></LI>
+<LI><A HREF="#10_94_3">Returns</A></LI>
+<LI><A HREF="#10_94_4">Description</A></LI>
+<LI><A HREF="#10_94_5">Example</A></LI>
+<LI><A HREF="#10_94_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdOpen">ppdOpen()</A></LI>
+<UL>
+<LI><A HREF="#10_95_1">Usage</A></LI>
+<LI><A HREF="#10_95_2">Arguments</A></LI>
+<LI><A HREF="#10_95_3">Returns</A></LI>
+<LI><A HREF="#10_95_4">Description</A></LI>
+<LI><A HREF="#10_95_5">Example</A></LI>
+<LI><A HREF="#10_95_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdOpenFd">ppdOpenFd()</A></LI>
+<UL>
+<LI><A HREF="#10_96_1">Usage</A></LI>
+<LI><A HREF="#10_96_2">Arguments</A></LI>
+<LI><A HREF="#10_96_3">Returns</A></LI>
+<LI><A HREF="#10_96_4">Description</A></LI>
+<LI><A HREF="#10_96_5">Example</A></LI>
+<LI><A HREF="#10_96_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdOpenFile">ppdOpenFile()</A></LI>
+<UL>
+<LI><A HREF="#10_97_1">Usage</A></LI>
+<LI><A HREF="#10_97_2">Arguments</A></LI>
+<LI><A HREF="#10_97_3">Returns</A></LI>
+<LI><A HREF="#10_97_4">Description</A></LI>
+<LI><A HREF="#10_97_5">Example</A></LI>
+<LI><A HREF="#10_97_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdPageLength">ppdPageLength()</A></LI>
+<UL>
+<LI><A HREF="#10_98_1">Usage</A></LI>
+<LI><A HREF="#10_98_2">Arguments</A></LI>
+<LI><A HREF="#10_98_3">Returns</A></LI>
+<LI><A HREF="#10_98_4">Description</A></LI>
+<LI><A HREF="#10_98_5">Example</A></LI>
+<LI><A HREF="#10_98_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdPageSize">ppdPageSize()</A></LI>
+<UL>
+<LI><A HREF="#10_99_1">Usage</A></LI>
+<LI><A HREF="#10_99_2">Arguments</A></LI>
+<LI><A HREF="#10_99_3">Returns</A></LI>
+<LI><A HREF="#10_99_4">Description</A></LI>
+<LI><A HREF="#10_99_5">Example</A></LI>
+<LI><A HREF="#10_99_6">See Also</A></LI>
+</UL>
+<LI><A HREF="#ppdPageWidth">ppdPageWidth()</A></LI>
+<UL>
+<LI><A HREF="#10_100_1">Usage</A></LI>
+<LI><A HREF="#10_100_2">Arguments</A></LI>
+<LI><A HREF="#10_100_3">Returns</A></LI>
+<LI><A HREF="#10_100_4">Description</A></LI>
+<LI><A HREF="#10_100_5">Example</A></LI>
+<LI><A HREF="#10_100_6">See Also</A></LI>
+</UL>
+</UL>
+<HR>
+<H1 ALIGN="RIGHT"><A NAME="1">Preface</A></H1>
+<P>This software programmers manual provides software programming
+ information for the Common UNIX Printing System (&quot;CUPS&quot;) Version
+ 1.1.13.</P>
+<H2><A NAME="1_1">System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+
+<!-- NEED 2in -->
+<H2><A NAME="1_2">Document Overview</A></H2>
+<P>This software programmers manual is organized into the following
+ sections:</P>
+<UL>
+<LI><A HREF="#OVERVIEW">1 - Printing System Overview</A></LI>
+<LI><A HREF="#CUPS_API">2 - The CUPS API</A></LI>
+<LI><A HREF="#WRITING_FILTERS">3 - Writing Filters</A></LI>
+<LI><A HREF="#WRITING_DRIVERS">4 - Writing Printer Drivers</A></LI>
+<LI><A HREF="#WRITING_BACKENDS">5 - Writing Backends</A></LI>
+<LI><A HREF="#LICENSE">A - Software License Agreement</A></LI>
+<LI><A HREF="#CONSTANTS">B - Constants</A></LI>
+<LI><A HREF="#STRUCTURES">C - Structures</A></LI>
+<LI><A HREF="#FUNCTIONS">D - Functions</A></LI>
+</UL>
+<H2><A NAME="1_3">Notation Conventions</A></H2>
+<P>Various font and syntax conventions are used in this guide. Examples
+ and their meanings and uses are explained below:
+<CENTER>
+<TABLE WIDTH="80%">
+<TR><TH>Example</TH><TD>&nbsp;&nbsp;&nbsp;</TD><TH>Description</TH></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD><CODE>lpstat</CODE>
+<BR> <CODE>lpstat(1)</CODE></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>The names of commands;
+ the first mention of a command or function in a chapter is followed by
+ a manual page section number.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD><VAR>/var</VAR>
+<BR><VAR> /usr/share/cups/data/testprint.ps</VAR></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>
+File and directory names.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD NOWRAP><TT>Request ID is Printer-123</TT></TD><TD>
+&nbsp;&nbsp;&nbsp;</TD><TD>Screen output.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD NOWRAP><KBD>lp -d printer filename ENTER</KBD></TD><TD>
+&nbsp;&nbsp;&nbsp;</TD><TD>Literal user input; special keys like <KBD>ENTER</KBD> are
+ in ALL CAPS.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD>12.3</TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>Numbers in the text are
+ written using the period (.) to indicate the decimal point.</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 3in -->
+</P>
+<H2><A NAME="1_4">Abbreviations</A></H2>
+ The following abbreviations are used throughout this manual:
+<UL>
+<DL>
+<DT>kb</DT>
+<DD>Kilobytes, or 1024 bytes
+<BR>&nbsp;</DD>
+<DT>Mb</DT>
+<DD>Megabytes, or 1048576 bytes
+<BR>&nbsp;</DD>
+<DT>Gb</DT>
+<DD>Gigabytes, or 1073741824 bytes
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H2><A NAME="1_5">Other References</A></H2>
+<UL>
+<DL>
+<DT>CUPS Software Administrators Manual</DT>
+<DD>An administration guide for the CUPS software.
+<BR>&nbsp;</DD>
+<DT>CUPS Software Users Manual</DT>
+<DD>An end-user guide for using the CUPS software.
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="OVERVIEW">1 - Printing System Overview</A></H1>
+<P>This chapter provides an overview of how the Common UNIX Printing
+ System works.</P>
+<H2><A NAME="2_1">The Printing Problem</A></H2>
+<P>For years<I> the printing problem</I> has plagued UNIX. Unlike
+ Microsoft&reg; Windows&reg; or Mac OS, UNIX has no standard interface or system
+ in place for supporting printers. Among the solutions currently
+ available, the Berkeley and System V printing systems are the most
+ prevalent.</P>
+<P>These printing systems support line printers (text only) or
+ PostScript printers (text and graphics), and with some coaxing they can
+ be made to support a full range of printers and file formats. However,
+ because each varient of the UNIX operating system uses a different
+ printing system than the next developing printer drivers for a wide
+ range of printers and operating systems is extremely difficult. That
+ combined with the limited volume of customers for each UNIX varient has
+ forced most printer vendors to give up supporting UNIX entirely.</P>
+<P>CUPS is designed to eliminate<I> the printing problem</I>. One common
+ printing system can be used by all UNIX varients to support the
+ printing needs of users. Printer vendors can use its modular filter
+ interface to develop a single driver program that supports a wide range
+ of file formats with little or no effort. Since CUPS provides both the
+ System V and Berkeley printing commands, users (and applications) can
+ reap the benefits of this new technology with no changes.</P>
+<H2><A NAME="2_2">The Technology</A></H2>
+<P>CUPS is based upon an emerging Internet standard called the Internet
+ Printing Protocol. IPP has been embraced by dozens of printer and
+ printer server manufacturers and is supported by Microsoft Windows
+ 2000.</P>
+<P>IPP defines a standard protocol for printing as well as managing
+ print jobs and printer options like media size, resolution, and so
+ forth. Like all IP-based protocols, IPP can be used locally or over the
+ Internet to printers hundreds or thousands of miles away. Unlike other
+ protocols, however, IPP also supports access control, authentication,
+ and encryption, making it a much more capable and secure printing
+ solution than older ones.</P>
+<P>IPP is layered on top of the Hyper-Text Transport Protocol (&quot;HTTP&quot;)
+ which is the basis of web servers on the Internet. This allows users to
+ view documentation, check status information on a printer or server,
+ and manage their printers, classes, and jobs using their web browser.</P>
+<P>CUPS provides a complete IPP/1.1 based printing system that provides
+ Basic, Digest, and local certificate authentication and user, domain,
+ or IP-based access control. TLS encryption will be available in future
+ versions of CUPS.</P>
+<H2><A NAME="2_3">Jobs</A></H2>
+<P>Each file or set of files that is submitted for printing is called a<I>
+ job</I>. Jobs are identified by a unique number starting at 1 and are
+ assigned to a particular destination, usually a printer. Jobs can also
+ have options associated with them such as media size, number of copies,
+ and priority.</P>
+<H2><A NAME="2_4">Classes</A></H2>
+<P>CUPS supports collections of printers known as<I> classes</I>. Jobs
+ sent to a class are forwarded to the first available printer in the
+ class.</P>
+<H2><A NAME="2_5">Filters</A></H2>
+<P>Filters allow a user or application to print many types of files
+ without extra effort. Print jobs sent to a CUPS server are filtered
+ before sending them to a printer. Some filters convert job files to
+ different formats that the printer can understand. Others perform page
+ selection and ordering tasks.</P>
+<P>CUPS provides filters for printing many types of image files, HP-GL/2
+ files, PDF files, and text files. CUPS also supplies PostScript and
+ image file Raster Image Processor (&quot;RIP&quot;) filters that convert
+ PostScript or image files into bitmaps that can be sent to a raster
+ printer.</P>
+<H2><A NAME="2_6">Backends</A></H2>
+<P>Backends perform the most important task of all - they send the
+ filtered print data to the printer.</P>
+<P>CUPS provides backends for printing over parallel, serial, and USB
+ ports, and over the network via the IPP, JetDirect (AppSocket), and
+ Line Printer Daemon (&quot;LPD&quot;) protocols. Additional backends are
+ available in network service packages such as the SMB backend included
+ with the popular SAMBA software.</P>
+<P>Backends are also used to determine the available devices. On startup
+ each backend is asked for a list of devices it supports, and any
+ information that is available. This allows the parallel backend to tell
+ CUPS that an EPSON Stylus Color 600 printer is attached to parallel
+ port 1, for example.</P>
+<H2><A NAME="2_7">Printer Drivers</A></H2>
+<P>Printer drivers in CUPS consist of one of more filters specific to a
+ printer. CUPS includes sample printer drivers for Hewlett-Packard
+ LaserJet and DeskJet printers and EPSON 9-pin, 24-pin, Stylus Color,
+ and Stylus Photo printers. While these drivers do not generate optimal
+ output for the different printer models, they do provide basic printing
+ and demonstrate how you can write your own printer drivers and
+ incorporate them into CUPS.</P>
+<H2><A NAME="2_8">Networking</A></H2>
+<P>Printers and classes on the local system are automatically shared
+ with other systems on the network. This allows you to setup one system
+ to print to a printer and use this system as a printer server or spool
+ host for all of the others. Users may then select a local printer by
+ name or a remote printer using &quot;name@server&quot;.</P>
+<P>CUPS also provides<I> implicit classes</I>, which are collections of
+ printers and/or classes with the same name. This allows you to setup
+ multiple servers pointing to the same physical network printer, for
+ example, so that you aren't relying on a single system for printing.
+ Because this also works with printer classes, you can setup multiple
+ servers and printers and never worry about a single point of failure
+ unless all of the printers and servers go down!</P>
+<H1 ALIGN="RIGHT"><A NAME="CUPS_API">2 - The CUPS API</A></H1>
+<P>This chapter describes the CUPS Application Programmers Interface
+ (&quot;API&quot;).</P>
+<H2><A NAME="3_1">The CUPS API Library</A></H2>
+<P>The CUPS library provides a whole collection of interfaces needed to
+ support the internal needs of the CUPS software as well as the needs of
+ applications, filters, printer drivers, and backends.</P>
+<P>Unlike the rest of CUPS, the CUPS API library is provided under the
+ GNU Library General Public License. This means that you can use the
+ CUPS API library in both proprietary and open-source programs.</P>
+<P>Programs that use the CUPS API library typically will include the <CODE>
+&lt;cups/cups.h&gt;</CODE> header file:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+jobid = cupsPrintFile(&quot;myprinter&quot;, &quot;filename.ps&quot;, &quot;title&quot;,
+                      num_options, options);
+</PRE>
+</UL>
+<P>Use the <CODE>-lcups</CODE> compiler option when linking to the CUPS
+ API library:</P>
+<UL>
+<PRE>
+<B>cc -o program program.c -lcups ENTER</B>
+</PRE>
+</UL>
+<P>Additional options and libraries may be required depending on the
+ operating system and the location of the CUPS API library.</P>
+<H3><A NAME="3_1_1">Detecting the CUPS API Library in GNU Autoconf</A></H3>
+<P>GNU autoconf is a popular configuration tool used by many programs.
+ Add the following lines to your<VAR> configure.in file to check for the
+ CUPS API library in your configuration script:</VAR></P>
+<UL>
+<PRE>
+AC_CHECK_LIB(socket,socket,
+if test &quot;$uname&quot; != &quot;IRIX&quot;; then
+	LIBS=&quot;-lsocket $LIBS&quot;
+else
+	echo &quot;Not using -lsocket since you are running IRIX.&quot;
+fi)
+AC_CHECK_LIB(nsl,gethostbyaddr,
+if test &quot;$uname&quot; != &quot;IRIX&quot;; then
+	LIBS=&quot;-lnsl $LIBS&quot;
+else
+	echo &quot;Not using -lnsl since you are running IRIX.&quot;
+fi)
+
+AC_CHECK_LIB(cups,httpConnect)
+</PRE>
+</UL>
+<H2><A NAME="3_2">Printing Services</A></H2>
+<P>The CUPS API library provides some basic printing services for
+ applications that need to print files.</P>
+<H3><A NAME="3_2_1">Include Files</A></H3>
+<P>The include file used by all of these functions is <CODE>
+&lt;cups/cups.h&gt;</CODE>:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+</PRE>
+</UL>
+<H3><A NAME="3_2_2">Printing a File</A></H3>
+<P>The CUPS API provides two functions for printing files. The first is <CODE>
+cupsPrintFile</CODE> which prints a single named file:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int jobid;
+
+...
+
+jobid = cupsPrintFile(&quot;<I>name</I>&quot;, &quot;<I>filename</I>&quot;, &quot;<I>title</I>&quot;, 0, NULL);
+</PRE>
+</UL>
+<P>The <CODE>name</CODE> string is the name of the printer or class to
+ print to. The <CODE>filename</CODE> string is the name of the file to
+ print. The <CODE>title</CODE> string is the name of the print job, e.g.
+ &quot;Acme Word Document&quot;.</P>
+<P>The return value is a unique ID number for the print job or 0 if
+ there was an error.</P>
+<H3><A NAME="3_2_3">Printing Multiple Files</A></H3>
+<P>The second printing function is <CODE>cupsPrintFiles</CODE>:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int        jobid;
+int        num_files;
+const char *files[100];
+...
+
+jobid = cupsPrintFiles(&quot;name&quot;, <I>num_files</I>, <I>files</I>, &quot;title&quot;, 0, NULL);
+</PRE>
+</UL>
+<P>Instead of passing a filename string as with <CODE>cupsPrintFile()</CODE>
+, you pass a file count (<CODE>num_files</CODE>) and filename pointer
+ array (<CODE>files</CODE>) for each file that you want to print.</P>
+<P>As with <CODE>cupsPrintFile()</CODE>, the return value is a unique ID
+ for the print job.</P>
+<H3><A NAME="3_2_4">Cancelling Jobs</A></H3>
+<P>The <CODE>cupsCancelJob()</CODE> function cancels a queued print job:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int jobid;
+int status;
+...
+
+status = cupsCancelJob(&quot;<I>name</I>&quot;, <I>jobid</I>);
+</PRE>
+</UL>
+<P>The <CODE>name</CODE> string specifies the destination and is used to
+ determine the server to send the request to. The <CODE>jobid</CODE>
+ value is the integer returned from a previous <CODE>cupsPrintFile()</CODE>
+ or <CODE>cupsPrintFiles()</CODE> call.</P>
+<P><CODE>cupsCancelJob()</CODE> returns <CODE>1</CODE> if the job was
+ successfully cancelled and <CODE>0</CODE> if there was an error.</P>
+<H3><A NAME="3_2_5">Getting the Available Printers and Classes</A></H3>
+<P>The <CODE>cupsGetDests()</CODE> function can be used to get a list of
+ the available printers, classes, and instances that a user has defined:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int         num_dests;
+cups_dest_t *dests;
+
+...
+
+num_dests = cupsGetDests(&amp;dests);
+</PRE>
+</UL>
+<P>Each destination is stored in a <CODE>cups_dest_t</CODE> structure
+ which defines the printer or class name, the instance name (if any), if
+ it is the default destination, and the default options the user has
+ defined for the destination:</P>
+<UL>
+<PRE>
+typedef struct               /**** Destination ****/
+{
+  char          *name,       /* Printer or class name */
+                *instance;   /* Local instance name or NULL */
+  int           is_default;  /* Is this printer the default? */
+  int           num_options; /* Number of options */
+  cups_option_t *options;    /* Options */
+} cups_dest_t;
+</PRE>
+</UL>
+<P>The destinations are sorted by name and instance for your
+ convenience. Once you have the list of available destinations, you can
+ lookup a specific destination using the <CODE>cupsGetDest()</CODE>
+ function:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int         num_dests;
+cups_dest_t *dests;
+cups_dest_t *mydest;
+
+...
+
+mydest = cupsGetDest(&quot;<I>name</I>&quot;, &quot;<I>instance</I>&quot;, num_dests, dests);
+</PRE>
+</UL>
+<P>The <CODE>name</CODE> string is the printer or class name. You can
+ pass a value of <CODE>NULL</CODE> to get the default destination.</P>
+<P>The <CODE>instance</CODE> string is the user-defined instance name.
+ Pass <CODE>NULL</CODE> to select the default instance, e.g. &quot;name&quot;
+ instead of &quot;name/instance&quot;.</P>
+<H3><A NAME="3_2_6">Printing with Options</A></H3>
+<P>All of the previous printing examples have passed <CODE>0</CODE> and <CODE>
+NULL</CODE> for the last two arguments to the <CODE>cupsPrintFile()</CODE>
+ and <CODE>cupsPrintFiles()</CODE> functions. These last two arguments
+ are the number of options and a pointer to the option array:</P>
+<UL>
+<PRE>
+int cupsPrintFile(const char *name, const char *filename, const char *title,
+                  int num_options, cups_option_t *options);
+int cupsPrintFiles(const char *name, int num_files, const char **files,
+                   const char *title, int num_options,
+		   cups_option_t *options);
+</PRE>
+</UL>
+<P>The <CODE>cups_option_t</CODE> structure holds each option and its
+ value. These are converted as needed and passed to the CUPS server when
+ printing a file.</P>
+<P>The simplest way of handling options is to use the <CODE>num_options</CODE>
+ and <CODE>options</CODE> members of the <CODE>cups_dest_t</CODE>
+ structure described earlier:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int         jobid;
+int         num_dests;
+cups_dest_t *dests;
+cups_dest_t *mydest;
+
+...
+
+mydest = cupsGetDest(&quot;<I>name</I>&quot;, &quot;<I>instance</I>&quot;, num_dests, dests);
+
+jobid  = cupsPrintFile(mydest-&gt;name, &quot;filename&quot;, &quot;title&quot;,
+                       mydest-&gt;num_options, mydest-&gt;options);
+</PRE>
+</UL>
+<P>This effectively uses the options a user has previous selected
+ without a lot of code.</P>
+<H3><A NAME="3_2_7">Setting Printer Options</A></H3>
+<P>Options can also be set by your program using the <CODE>
+cupsAddOption()</CODE> function:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+num_options = 0;
+options     = NULL;
+
+...
+
+num_options = cupsAddOption(&quot;<I>name</I>&quot;, &quot;<I>value</I>&quot;, num_options, &amp;options);
+num_options = cupsAddOption(&quot;<I>name</I>&quot;, &quot;<I>value</I>&quot;, num_options, &amp;options);
+num_options = cupsAddOption(&quot;<I>name</I>&quot;, &quot;<I>value</I>&quot;, num_options, &amp;options);
+num_options = cupsAddOption(&quot;<I>name</I>&quot;, &quot;<I>value</I>&quot;, num_options, &amp;options);
+</PRE>
+</UL>
+<P>The <CODE>name</CODE> string is the name of the option, and the <CODE>
+value</CODE> string is the value for that option.</P>
+<P>Each call to <CODE>cupsAddOption()</CODE> returns the new number of
+ options. Since adding two options with the same name overwrites the
+ first value with the second, do not assume that calling <CODE>
+cupsAddOptions()</CODE> 20 times will result in 20 options.</P>
+<P>Call <CODE>cupsFreeOptions</CODE> once you are done using the
+ options:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+cupsFreeOptions(num_options, options);
+</PRE>
+</UL>
+<H3><A NAME="3_2_8">Getting Errors</A></H3>
+<P>If any of the CUPS API printing functions returns an error, the
+ reason for that error can be found by calling <CODE>cupsLastError()</CODE>
+ and <CODE>cupsErrorString()</CODE>. <CODE>cupsLastError()</CODE>
+ returns the last IPP error code that was encountered. <CODE>
+cupsErrorString()</CODE> converts the error code to a localized message
+ string suitable for presentation to the user:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int jobid;
+
+...
+
+if (jobid == 0)
+  puts(cupsErrorString(cupsLastError()));
+</PRE>
+</UL>
+<H3><A NAME="3_2_9">Passwords and Authentication</A></H3>
+<P>CUPS supports authentication of any request, including submission of
+ print jobs. The default mechanism for getting the username and password
+ is to use the login user and a password from the console.</P>
+<P>To support other types of applications, in particular Graphical User
+ Interfaces (&quot;GUIs&quot;), the CUPS API provides functions to set the default
+ username and to register a callback function that returns a password
+ string.</P>
+<P>The<A HREF="#cupsSetPasswordCB"> <CODE>cupsSetPasswordCB()</CODE></A>
+ function is used to set a password callback in your program. Only one
+ function can be used at any time.</P>
+<P>The<A HREF="#cupsSetUser"> <CODE>cupsSetUser()</CODE></A> function
+ sets the current username for authentication. This function can be
+ called by your password callback function to change the current
+ username as needed.</P>
+<P>The following example shows a simple password callback that gets a
+ username and password from the user:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *
+my_password_cb(const char *prompt)
+{
+  char	user[65];
+
+
+  puts(prompt);
+
+ /* Get a username from the user */
+  printf(&quot;Username: &quot;);
+  if (fgets(user, sizeof(user), stdin) == NULL)
+    return (NULL);
+
+ /* Strip the newline from the string and set the user */
+  user[strlen(user) - 1] = '\0';
+
+  cupsSetUser(user);
+
+ /* Use getpass() to ask for the password... */
+  return (getpass(&quot;Password: &quot;));
+}
+
+...
+
+cupsSetPasswordCB(my_password_cb);
+</PRE>
+</UL>
+<P>Similarly, a GUI interface could display the prompt string in a
+ window with input fields for the username and password. The username
+ should probably default to the value of<A HREF="#cupsUser"> <CODE>
+cupsUser()</CODE></A> to make things easier on the user.</P>
+<H2><A NAME="3_3">PPD Services</A></H2>
+<P>CUPS includes functions to access and manipulate PostScript Printer
+ Description (&quot;PPD&quot;) files that are used with the printer drivers in
+ CUPS.</P>
+<P>Each PPD file enumerates the available features provided by a
+ printer, including conflict information for specific options (e.g.
+ can't duplex output on envelopes.)</P>
+<H3><A NAME="3_3_1">Include Files</A></H3>
+<P>Include the <CODE>&lt;cups/ppd.h&gt;</CODE> header file to use the PPD
+ functions:</P>
+<UL>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+</PRE>
+</UL>
+<P>This header file is also included by the <CODE>&lt;cups/cups.h&gt;</CODE>
+ header file.</P>
+<H3><A NAME="3_3_2">Getting a PPD File for a Printer</A></H3>
+<P>The <CODE>cupsGetPPD()</CODE> function retrieves the PPD file for the
+ named printer or class:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+const char *filename;
+
+filename = cupsGetPPD(&quot;<I>name</I>&quot;);
+</PRE>
+</UL>
+<P>The <CODE>name</CODE> string is the name of the printer or class,
+ including the remote server name as appropriate (e.g.
+ &quot;printer@server&quot;.)</P>
+<P>The return value is a pointer to a filename in static storage; this
+ value is overwritten with each call to <CODE>cupsGetPPD()</CODE>. If
+ the printer or class does not exist, a <CODE>NULL</CODE> pointer will
+ be returned.</P>
+<H3><A NAME="3_3_3">Loading a PPD File</A></H3>
+<P>The <CODE>ppdOpenFile()</CODE> function &quot;opens&quot; a PPD file and loads
+ it into memory:</P>
+<UL>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+
+ppd = ppdOpenFile(&quot;<I>filename</I>&quot;);
+</PRE>
+</UL>
+<P>The <CODE>filename</CODE> string is the name of the file to load,
+ such as the value returned by the <CODE>cupsGetPPD()</CODE> function.</P>
+<P>The return value is a pointer to a structure describing the contents
+ of the PPD file or NULL if the PPD file could not be read.</P>
+<H3><A NAME="3_3_4">Freeing PPD File Information</A></H3>
+<P>Once you are done using a PPD file, call the <CODE>ppdClose()</CODE>
+ function to free all memory that has been used:</P>
+<UL>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+
+...
+
+ppdClose(ppd);
+</PRE>
+</UL>
+<H3><A NAME="3_3_5">The PPD File Structure</A></H3>
+<P>Each PPD file contains a number of capability attributes, printer
+ options, and conflict definitions. The page size options also include
+ the physical margins for the printer and the minimum and maximum sizes
+ for the printer. All of this information is stored in the <CODE>
+ppd_file_t</CODE> structure.</P>
+<H4>Capabilities</H4>
+<P>Each PPD file contains a number of informational attributes that
+ describe the capabilities of the printer. These are provided in the <CODE>
+ppd_file_t</CODE> structure in the following members:
+<CENTER>
+<TABLE BORDER="1" WIDTH="80%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD><CODE>accurate_screens</CODE></TD><TD><CODE>int</CODE></TD><TD>1
+ = supports accurate screens</TD></TR>
+<TR><TD><CODE>color_device</CODE></TD><TD><CODE>int</CODE></TD><TD>1 =
+ color device</TD></TR>
+<TR><TD><CODE>colorspace</CODE></TD><TD><CODE>ppd_cs_t</CODE></TD><TD>
+Default colorspace: PPD_CS_CMYK, PPD_CS_CMY, PPD_CS_GRAY, PPD_CS_RGB,
+ PPD_CS_RGBK, PPD_CS_N</TD></TR>
+<TR><TD><CODE>contone_only</CODE></TD><TD><CODE>int</CODE></TD><TD>1 =
+ printer is continuous tone only</TD></TR>
+<TR><TD><CODE>num_emulations
+<BR> emulations</CODE></TD><TD><CODE>int
+<BR> ppd_emul_t *</CODE></TD><TD>Emulations supported by the printer</TD>
+</TR>
+<TR><TD><CODE>flip_duplex</CODE></TD><TD><CODE>int</CODE></TD><TD>1 =
+ need to flip odd pages when duplexing</TD></TR>
+<TR><TD><CODE>num_fonts
+<BR> fonts</CODE></TD><TD><CODE>int
+<BR> char **</CODE></TD><TD>The fonts available on the printer.</TD></TR>
+<TR><TD><CODE>jcl_begin
+<BR> jcl_ps
+<BR> jcl_end</CODE></TD><TD><CODE>char *</CODE></TD><TD>Job Control
+ Language commands for PostScript output</TD></TR>
+<TR><TD><CODE>landscape</CODE></TD><TD><CODE>int</CODE></TD><TD>
+Landscape orientation, -90 or 90 degrees</TD></TR>
+<TR><TD><CODE>lang_encoding</CODE></TD><TD><CODE>char *</CODE></TD><TD>
+The character used for the option strings</TD></TR>
+<TR><TD><CODE>lang_version</CODE></TD><TD><CODE>char *</CODE></TD><TD>
+The language used for the options strings (English, French, etc.)</TD></TR>
+<TR><TD><CODE>language_level</CODE></TD><TD><CODE>int</CODE></TD><TD>
+PostScript language level, 1 to 3</TD></TR>
+<TR><TD><CODE>manual_copies</CODE></TD><TD><CODE>int</CODE></TD><TD>1 =
+ Copies are done manually</TD></TR>
+<TR><TD><CODE>model_number</CODE></TD><TD><CODE>int</CODE></TD><TD>
+Driver-specific model number.</TD></TR>
+<TR><TD><CODE>patches</CODE></TD><TD><CODE>char *</CODE></TD><TD>Patch
+ commands to send to the printer</TD></TR>
+<TR><TD><CODE>manufacturer</CODE></TD><TD><CODE>char *</CODE></TD><TD>
+The Manufacturer attribute from the PPD file, if any</TD></TR>
+<TR><TD><CODE>modelname</CODE></TD><TD><CODE>char *</CODE></TD><TD>The
+ ModelName attribute from the PPD file</TD></TR>
+<TR><TD><CODE>nickname</CODE></TD><TD><CODE>char *</CODE></TD><TD>The
+ NickName attribute from the PPD file, if any</TD></TR>
+<TR><TD><CODE>product</CODE></TD><TD><CODE>char *</CODE></TD><TD>The
+ Product attribute from the PPD file, if any</TD></TR>
+<TR><TD><CODE>shortnickname</CODE></TD><TD><CODE>char *</CODE></TD><TD>
+The ShortNickName attribute from the PPD file, if any</TD></TR>
+<TR><TD><CODE>throughput</CODE></TD><TD><CODE>int</CODE></TD><TD>Number
+ of pages per minute</TD></TR>
+<TR><TD><CODE>ttrasterizer</CODE></TD><TD><CODE>char *</CODE></TD><TD>
+The TruType font rasterizer (Type42)</TD></TR>
+<TR><TD><CODE>variable_sizes</CODE></TD><TD><CODE>int</CODE></TD><TD>1 =
+ supports variable sizes</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H4>Options and Groups</H4>
+<P>PPD files support multiple options, which are stored in <CODE>
+ppd_option_t</CODE> and <CODE>ppd_choice_t</CODE> structures by the PPD
+ functions.</P>
+<P>Each option in turn is associated with a group stored in the <CODE>
+ppd_group_t</CODE> structure. Groups can be specified in the PPD file;
+ if an option is not associated with a group then it is put in a
+ &quot;General&quot; or &quot;Extra&quot; group depending on the option.</P>
+<P>Groups can also have sub-groups; CUPS currently limits the depth of
+ sub-groups to 1 level to reduce programming complexity.</P>
+<H4>Conflicts</H4>
+<P>PPD files support specification of conflict conditions between
+ different options. Conflicts are stored in <CODE>ppd_conflict_t</CODE>
+ structures which specify the options that conflict with each other.</P>
+<H4>Page Sizes</H4>
+<P>PPD files specify all of the available pages sizes and the physical
+ margins associated with them. These sizes are stored in <CODE>
+ppd_size_t</CODE> structures and are available in the <CODE>num_sizes</CODE>
+ and <CODE>sizes</CODE> members of the <CODE>ppd_file_t</CODE>
+ structure. You can lookup a particular page size with the <CODE>
+ppdPageWidth()</CODE>, <CODE>ppdPageLength()</CODE>, and <CODE>
+ppdPageSize()</CODE> functions:</P>
+<UL>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+ppd_size_t *size;
+float      width;
+float      length;
+
+...
+
+size   = ppdPageSize(ppd, &quot;<I>size</I>&quot;);
+width  = ppdPageWidth(ppd, &quot;<I>size</I>&quot;);
+length = ppdPageLength(ppd, &quot;<I>size</I>&quot;);
+</PRE>
+</UL>
+<P>The <CODE>size</CODE> string is the named page size option. The width
+ and length are in points; there are 72 points per inch. The <CODE>
+ppd_size_t</CODE> structure contains the width, length, and margin
+ information:</P>
+<UL>
+<PRE>
+typedef struct    /**** Page Sizes ****/
+{
+  int   marked;   /* Page size selected? */
+  char  name[41]; /* Media size option */
+  float width,    /* Width of media in points */
+        length,   /* Length of media in points */
+        left,     /* Left printable margin in points */
+        bottom,   /* Bottom printable margin in points */
+        right,    /* Right printable margin in points */
+        top;      /* Top printable margin in points */
+} ppd_size_t;
+</PRE>
+</UL>
+<H4>Custom Page Sizes</H4>
+<P>Besides the standard page sizes listed in a PPD file, some printers
+ support variable or custom page sizes. If <CODE>variables_sizes</CODE>
+ is non-zero, the <CODE>custom_min</CODE>, <CODE>custom_max</CODE>, and <CODE>
+custom_margins</CODE> members of the <CODE>ppd_file_t</CODE> structure
+ define the limits of the variable sizes.</P>
+<P>To get the resulting media size, use a page size string of <CODE>
+Custom.<I>width</I>x<I>length</I></CODE>, where <CODE>width</CODE> and <CODE>
+length</CODE> are integer values in points:</P>
+<UL>
+<PRE>
+Custom.612x792   [8.5 inches wide, 11 inches long]
+Custom.1224x792  [17 inches wide, 11 inches long]
+</PRE>
+</UL>
+<H3><A NAME="3_3_6">Marking Options</A></H3>
+<P>Before marking any user-defined options, call the <CODE>
+ppdMarkDefaults()</CODE> function to mark the default options from the
+ PPD file:</P>
+<UL>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+
+...
+
+ppdMarkDefaults(ppd);
+</PRE>
+</UL>
+<P>Then call the <CODE>ppdMarkOption()</CODE> function to mark
+ individual options:</P>
+<UL>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+int        conflicts;
+
+...
+
+conflicts = ppdMarkOption(ppd, &quot;<I>name</I>&quot;, &quot;<I>value</I>&quot;);
+</PRE>
+</UL>
+<P>The <CODE>name</CODE> and <CODE>value</CODE> strings choose a
+ particular option and choice, respectively. The return value is 0 if
+ there are not conflicts created by the selection.</P>
+<P>CUPS also provides a convenience function for marking all options in
+ the <CODE>cups_option_t</CODE> structure:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+ppd_file_t    *ppd;
+int           num_options;
+cups_option_t *options;
+int           conflicts;
+
+...
+
+conflicts = cupsMarkOptions(ppd, num_options, options);
+</PRE>
+</UL>
+<P>The <CODE>cupsMarkOptions()</CODE> function also handles mapping the
+ IPP job template attributes to PPD options. The return value is the
+ number of conflicts present.</P>
+<H3><A NAME="3_3_7">Checking for Conflicts</A></H3>
+<P>The <CODE>ppdMarkOption()</CODE> and <CODE>cupsMarkOptions()</CODE>
+ functions return the number of conflicts with the currently marked
+ options.</P>
+<P>Call the <CODE>ppdConflicts()</CODE> function to get the number of
+ conflicts after you have marked all of the options:</P>
+<UL>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+ppd_file_t *ppd;
+int        conflicts;
+
+...
+
+conflicts = ppdConflicts(ppd);
+</PRE>
+</UL>
+<P>The return value is the number of conflicting options, or 0 if there
+ are no conflicts.</P>
+<H1 ALIGN="RIGHT"><A NAME="WRITING_FILTERS">3 - Writing Filters</A></H1>
+<P>This chapter describes how to write a file filter for CUPS.</P>
+<H2><A NAME="4_1">Overview</A></H2>
+<P>File filters are programs that convert from one or more MIME types to
+ another type. Filters use a common command-line and environment
+ interface that allows them to be joined as needed to print files to any
+ type of printer.</P>
+<H3><A NAME="4_1_1">Security Considerations</A></H3>
+<P>Filters are normally run as a non-priviledged user, so the major
+ security consideration is resource utilization - filters should not
+ depend on unlimited amounts of memory and disk space.</P>
+<H3><A NAME="4_1_2">Users and Groups</A></H3>
+<P>The default CUPS configuration runs filters as user &quot;lp&quot; and group
+ &quot;other&quot;.</P>
+<H3><A NAME="4_1_3">Temporary Files</A></H3>
+<P>Temporary files should be created in the directory specified by the
+ &quot;TMPDIR&quot; environment variable. The<A HREF="#cupsTempFile"> <CODE>
+cupsTempFile()</CODE></A> function can be used to safely choose
+ temporary files in this directory.</P>
+<H3><A NAME="4_1_4">Sending Messages to the User</A></H3>
+<P>The CUPS scheduler collects messages sent to the standard error file
+ by the filter. These messages are relayed to the user based upon the
+ scheduler <CODE>LogLevel</CODE> directive.</P>
+<P>The type of message is determined by an initial prefix sent on each
+ line:</P>
+<UL>
+<LI><CODE>DEBUG:</CODE> - a debug message</LI>
+<LI><CODE>INFO:</CODE> - an informational message</LI>
+<LI><CODE>WARNING:</CODE> - a warning message</LI>
+<LI><CODE>ERROR:</CODE> - an error message</LI>
+<LI><CODE>PAGE:</CODE> - a page accounting message</LI>
+</UL>
+<P>If the line of text does not begin with any of the above prefixes, it
+ is treated as a debug message. Text following the prefix is copied to
+ the <CODE>printer-state-message</CODE> attribute for the printer, and
+ also added to the<VAR> error_log</VAR> unless it is an informational or
+ page accounting message.</P>
+<H3><A NAME="4_1_5">Page Accounting</A></H3>
+<P>Page accounting messages are used to inform the server when one or
+ more pages are printed. Each line has the form:</P>
+<UL>
+<PRE>
+PAGE: page-number copy-count
+</PRE>
+</UL>
+<P>The<I> page-number</I> field is the current page number, starting at
+ 1. The<I> copy-count</I> field specifies the number of copies of that
+ page that was produced.</P>
+<P>Page account messages are added to the<VAR> page_log</VAR> file and
+ cause the <CODE>job-sheets-completed</CODE> attribute to be updated for
+ the job.</P>
+<H3><A NAME="4_1_6">Command-Line Arguments</A></H3>
+<P>Every filter accepts exactly 6 or 7 command-line arguments:</P>
+<UL>
+<PRE>
+printer job user title copies options [filename]
+</PRE>
+<LI><CODE>printer</CODE> - The name of the printer queue (normally this
+ is the name of the program being run)</LI>
+<LI><CODE>job</CODE> - The numeric job ID for the job being printed</LI>
+<LI><CODE>user</CODE> - The string from the <CODE>originating-user-name</CODE>
+ attribute</LI>
+<LI><CODE>title</CODE> - The string from the <CODE>job-name</CODE>
+ attribute</LI>
+<LI><CODE>copies</CODE> - The numeric value from the <CODE>number-copies</CODE>
+ attribute</LI>
+<LI><CODE>options</CODE> - String representations of the job template
+ attributes, separated by spaces. Boolean attributes are provided as
+ &quot;name&quot; for true values and &quot;noname&quot; for false values. All other
+ attributes are provided as &quot;name=value&quot; for single-valued attributes
+ and &quot;name=value1,value2,...,valueN&quot; for set attributes</LI>
+<LI><CODE>filename</CODE> - The request file</LI>
+</UL>
+<P>The<I> filename</I> argument is only provided to the first filter in
+ the chain; all filters<B> must</B> be prepared to read the print file
+ from the standard input if the<I> filename</I> argument is omitted.</P>
+<H3><A NAME="4_1_7">Copy Generation</A></H3>
+<P>The<I> copies</I> argument specifies the number of copies to produce
+ of the input file. In general, you should only generate copies if the<I>
+ filename</I> argument is supplied. The only exception to this are
+ filters that produce device-independent PostScript output (without any
+ printer commands from the printer's PPD file), since the PostScript
+ filter <CODE>pstops</CODE> is responsible for copy generation.</P>
+<H3><A NAME="4_1_8">Environment Variables</A></H3>
+<P>Every filter receives a fixed set of environment variables that can
+ be used by the filter:</P>
+<UL>
+<LI><CODE>CHARSET</CODE> - The character set used by the client for this
+ print file</LI>
+<LI><CODE>CONTENT_TYPE</CODE> - The original document type, such as
+ &quot;application/postscript&quot;</LI>
+<LI><CODE>CUPS_DATADIR</CODE> - The location of CUPS data files</LI>
+<LI><CODE>CUPS_SERVERROOT</CODE> - The location of CUPS configuration
+ files</LI>
+<LI><CODE>DEVICE_URI</CODE> - The output device URI</LI>
+<LI><CODE>LANG</CODE> - The language used by the client for this print
+ file</LI>
+<LI><CODE>PATH</CODE> - The execution path exported to the filter</LI>
+<LI><CODE>PPD</CODE> - The full filename of the printer's PPD file</LI>
+<LI><CODE>PRINTER</CODE> - The name of the printer queue</LI>
+<LI><CODE>RIP_CACHE</CODE> - The maximum amount of memory each filter
+ should use</LI>
+<LI><CODE>SOFTWARE</CODE> - The name of the CUPS software, typically
+ &quot;CUPS/1.1&quot;</LI>
+<LI><CODE>TZ</CODE> - The local timezone</LI>
+<LI><CODE>USER</CODE> - The name of the current user</LI>
+</UL>
+<H2><A NAME="4_2">Dissecting the HP-GL/2 Filter</A></H2>
+<P>The HP-GL/2 filter (<CODE>hpgltops</CODE>) provided with CUPS is a
+ complex program that converts HP-GL/2 files into device-independent
+ PostScript output. Since it produces device-independent PostScript
+ output, it does not need to handle copy generation or writing printer
+ options from the printer's PPD file.</P>
+<H3><A NAME="4_2_1">Initializing the Filter</A></H3>
+<P>The first task of any filter is to ensure that the correct number of
+ command-line arguments are present:</P>
+<UL>
+<PRE>
+if (argc &lt; 6 || argc &gt; 7)
+{
+  fputs(&quot;ERROR: hpgltops job-id user title copies options [file]\n&quot;, stderr);
+  return (1);
+}
+</PRE>
+</UL>
+<P>After this you open the print file or read from the standard input as
+ needed:</P>
+<UL>
+<PRE>
+FILE *fp;
+
+/*
+ * If we have 7 arguments, print the file named on the command-line.
+ * Otherwise, send stdin instead...
+ */
+
+if (argc == 6)
+  fp = stdin;
+else
+{
+ /*
+  * Try to open the print file...
+  */
+
+  if ((fp = fopen(argv[6], &quot;rb&quot;)) == NULL)
+  {
+    perror(&quot;ERROR: unable to open print file - &quot;);
+    return (1);
+  }
+}
+</PRE>
+</UL>
+<P>Once the print file has been opened, options can be processed using
+ the<A HREF="#cupsParseOptions"> <CODE>cupsParseOptions()</CODE></A> and<A
+HREF="#cupsGetOption"> <CODE>cupsGetOption()</CODE></A> functions:</P>
+<UL>
+<PRE>
+int           num_options;
+cups_option_t *options;
+const char    *val;
+
+/*
+ * Process command-line options and write the prolog...
+ */
+
+options     = NULL;
+num_options = cupsParseOptions(argv[5], 0, 
+
+if ((val = cupsGetOption(&quot;blackplot&quot;, num_options, options)) != NULL)
+  shading = 0;
+
+if ((val = cupsGetOption(&quot;fitplot&quot;, num_options, options)) != NULL)
+  FitPlot = 1;
+
+if ((val = cupsGetOption(&quot;penwidth&quot;, num_options, options)) != NULL)
+  PenWidth = (float)atoi(val) * 0.001f;
+</PRE>
+</UL>
+<P>After the options have been processed, the filter writes PostScript
+ code to the standard output based on the print file, closes the print
+ file (as needed), and returns 0 to the scheduler.</P>
+<H2><A NAME="4_3">PostScript Output</A></H2>
+<P>Filters that produce PostScript output must generate output
+ conforming to the Adobe Document Structuring Conventions, 3.0. In
+ general this means the beginning of each file must begin with:</P>
+<UL>
+<PRE>
+%!PS-Adobe-3.0
+%%BoundingBox: left bottom right top
+%%Pages: (atend)
+%%EndComments
+</PRE>
+</UL>
+<P>The<I> left</I>,<I> bottom</I>,<I> right</I>, and<I> top</I> values
+ are integers in points from the lower-lefthand corner of the page.</P>
+<P>Pages must be surrounded by:</P>
+<UL>
+<PRE>
+%%Page: number number
+gsave
+...
+grestore
+showpage
+</PRE>
+</UL>
+<P>And the end of each file must contain:</P>
+<UL>
+<PRE>
+%%Trailer
+%%Pages: number-pages
+%%EOF
+</PRE>
+</UL>
+<P>These comments allow the PostScript filter to correctly perform page
+ accounting, copy generation, N-up printing, and so forth.</P>
+<H1 ALIGN="RIGHT"><A NAME="WRITING_DRIVERS">4 - Writing Printer Drivers</A>
+</H1>
+<P>This chapter discusses how to write a printer driver, which is a
+ special filter program that converts CUPS raster data into the
+ appropriate commands and data required for a printer.</P>
+<H2><A NAME="5_1">Overview</A></H2>
+<P>Raster printers utilitize PPD files that specify one or more
+ device-specific filters that handle converting print files for the
+ printer. The simplest raster printer drivers provide a single filter
+ that converts CUPS raster data to the printer's native format.</P>
+<H3><A NAME="5_1_1">CUPS Raster Data</A></H3>
+<P>CUPS raster data (<CODE>application/vnd.cups-raster</CODE>) consists
+ of a stream of raster page descriptions produced by one of the RIP
+ filters, such as <CODE>pstoraster</CODE> or <CODE>imagetoraster</CODE>.</P>
+<P>Each page of data begins with a page dictionary structure called<A HREF="#cups_raster_header_t">
+ <CODE>cups_raster_header_t</CODE></A>. This structure contains the
+ colorspace, bits per color, media size, media type, hardware
+ resolution, and so forth.</P>
+<P>After the page dictionary comes the page data which is a
+ full-resolution, uncompressed bitmap representing the page in the
+ printer's output colorspace.</P>
+<H3><A NAME="5_1_2">Page Accounting</A></H3>
+<P>Printer drivers must handle all page accounting. This means they must
+ send &quot;PAGE:&quot; messages to the standard error file for each page (and in
+ many cases, copy) sent to the printer.</P>
+<H3><A NAME="5_1_3">Color Management</A></H3>
+<P>Printer drivers can implement their color management via the <CODE>
+cupsColorProfile</CODE> attributes in the PPD file or internally in the
+ driver from a device-independent colorspace. In general, color
+ management performed by the RIP filters is more efficient than that
+ performed inside printer drivers.</P>
+<P>For example, the <CODE>pstoraster</CODE> filter often only has to
+ perform a color conversion once each time the color is used for
+ multiple output pixels, while the raster filter must convert every
+ pixel on the page.</P>
+<H3><A NAME="5_1_4">Device and Bitmap Variables</A></H3>
+<P>Besides the standard PostScript page device dictionary variables
+ defined in the Adobe PostScript Level 3 reference manual, the CUPS
+ filters support additional variables that are passed in the page device
+ dictionary header for the page and in some cases control the type of
+ raster data that is generated:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Variable</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>cupsWidth</TD><TD>read-only integer</TD><TD>Width of bitmap in
+ pixels</TD></TR>
+<TR><TD>cupsHeight</TD><TD>read-only integer</TD><TD>Height of bitmap in
+ pixels</TD></TR>
+<TR><TD>cupsMediaType</TD><TD>read-write integer</TD><TD>Device-specific
+ media type code</TD></TR>
+<TR><TD>cupsBitsPerColor</TD><TD>read-write integer</TD><TD>Number of
+ bits per color; 1, 2, 4, and 8 are currently supported</TD></TR>
+<TR><TD>cupsBitsPerPixel</TD><TD>read-only integer</TD><TD>Number of
+ bits per pixel; 1 to 32</TD></TR>
+<TR><TD>cupsBytesPerLine</TD><TD>read-only integer</TD><TD>Number of
+ bytes per line of raster graphics</TD></TR>
+<TR><TD>cupsColorOrder</TD><TD>read-write enum</TD><TD>The order of
+ color values in the bitmap:
+<UL>
+<LI><CODE>CUPS_ORDER_CHUNKED</CODE> - CMYK&nbsp;CMYK&nbsp;CMYK</LI>
+<LI><CODE>CUPS_ORDER_BANDED</CODE> - CCC&nbsp;MMM&nbsp;YYY&nbsp;KKK</LI>
+<LI><CODE>CUPS_ORDER_PLANAR</CODE> - CCC&nbsp;...&nbsp;MMM&nbsp;...&nbsp;YYY&nbsp;...&nbsp;KKK&nbsp;...</LI>
+</UL>
+</TD></TR>
+<TR><TD>cupsColorSpace</TD><TD>read-write enum</TD><TD>The colorspace of
+ the bitmap:
+<UL>
+<LI><CODE>CUPS_CSPACE_W</CODE> - White (luminance)</LI>
+<LI><CODE>CUPS_CSPACE_RGB</CODE> - Red, green, blue</LI>
+<LI><CODE>CUPS_CSPACE_RGBA</CODE> - Red, green, blue, alpha</LI>
+<LI><CODE>CUPS_CSPACE_K</CODE> - Black</LI>
+<LI><CODE>CUPS_CSPACE_CMY</CODE> - Cyan, magenta, yellow</LI>
+<LI><CODE>CUPS_CSPACE_YMC</CODE> - Yellow, magenta, cyan</LI>
+<LI><CODE>CUPS_CSPACE_CMYK</CODE> - Cyan, magenta, yellow, black</LI>
+<LI><CODE>CUPS_CSPACE_YMCK</CODE> - Yellow, magenta, cyan, black</LI>
+<LI><CODE>CUPS_CSPACE_KCMY</CODE> - Black, cyan, magenta, yellow</LI>
+<LI><CODE>CUPS_CSPACE_KCMYcm</CODE> - Black, cyan, magenta, yellow,
+ light cyan, light magenta</LI>
+<LI><CODE>CUPS_CSPACE_GMCK</CODE> - Metallic yellow (gold), metallic
+ magenta, metallic cyan, black</LI>
+<LI><CODE>CUPS_CSPACE_GMCS</CODE> - Metallic yellow (gold), metallic
+ magenta, metallic cyan, metallic grey (silver)</LI>
+<LI><CODE>CUPS_CSPACE_WHITE</CODE> - White pigment (black as white
+ pigment)</LI>
+<LI><CODE>CUPS_CSPACE_GOLD</CODE> - Gold foil (black as gold foil)</LI>
+<LI><CODE>CUPS_CSPACE_SILVER</CODE> - Silver foil (black as silver foil)</LI>
+</UL>
+</TD></TR>
+<TR><TD>cupsCompression</TD><TD>read-write integer</TD><TD>
+Device-specific compression type code</TD></TR>
+<TR><TD>cupsRowCount</TD><TD>read-write integer</TD><TD>Device-specific
+ row count value</TD></TR>
+<TR><TD>cupsRowFeed</TD><TD>read-write integer</TD><TD>Device-specific
+ row feed value</TD></TR>
+<TR><TD>cupsRowStep</TD><TD>read-write integer</TD><TD>Device-specific
+ row step value</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>Bitmaps with a colorspace of CUPS_CSPACE_KCMYcm and more than 1 bit
+ per color are transmitted to the raster driver in KCMY colorspace; the
+ driver is responsible for producing the correct separation of normal
+ and light cyan and magenta inks.</P>
+<H2><A NAME="5_2">Dissecting the HP-PCL Driver</A></H2>
+<P>The HP-PCL driver provided with CUPS (<CODE>rastertohp</CODE>)
+ converts bitmap data from the raster filters into HP-PCL commands for
+ most PCL-compatible printers. The actual format of the raster data is
+ controlled by the PPD file being used -<VAR> deskjet.ppd</VAR> or<VAR>
+ laserjet.ppd</VAR>.</P>
+<H3><A NAME="5_2_1">PPD Files</A></H3>
+<P>PPD files play an important part of all raster printer drivers.
+ Options defined in the PPD file contain PostScript commands that
+ control the raster data that is sent to the printer driver.</P>
+<P>A typical CUPS printer driver will include <CODE>ColorModel</CODE>, <CODE>
+InputSlot</CODE>, <CODE>PageSize</CODE>, <CODE>PageRegion</CODE>, and <CODE>
+Resolution</CODE> options. Each option is shown using the standard PPD
+ format:</P>
+<UL>
+<PRE>
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter: &quot;&lt;&lt;
+/PageSize [612 792]
+/ImagingBBox null
+&gt;&gt; setpagedevice&quot;
+*End
+*PageSize Legal/US Legal: &quot;&lt;&lt;
+/PageSize [612 1008]
+/ImagingBBox null
+&gt;&gt; setpagedevice&quot;
+*End
+*PageSize A4/A4: &quot;&lt;&lt;
+/PageSize [595 842]
+/ImagingBBox null
+&gt;&gt; setpagedevice&quot;
+*End
+*CloseUI: *PageSize
+</PRE>
+</UL>
+<P>The <CODE>OpenUI</CODE> keyword specifies the new option. The first
+ name is the option with an asterisk (*) in front of it. The first name
+ is usually followed by a slash (/) and a human-readable version of the
+ option name.</P>
+<P>Every option<B> must</B> have a default value, specified using the <CODE>
+Default<I>Option</I></CODE> keyword.</P>
+<P>Each option begins with the option name followed by the computer and
+ human-readable values. The PostScript commands follow these inside
+ double quotes. PostScript commands can be provided on a single line:</P>
+<UL>
+<PRE>
+*PageSize A4/A4: &quot;&lt;&lt;/PageSize[595 842]/ImagingBBox null&gt;&gt; setpagedevice&quot;
+</PRE>
+</UL>
+<P>or broken down on separate lines using the <CODE>End</CODE> keyword
+ to terminate them:</P>
+<UL>
+<PRE>
+*PageSize A4/A4: &quot;&lt;&lt;
+/PageSize [595 842]
+/ImagingBBox null
+&gt;&gt; setpagedevice&quot;
+*End
+</PRE>
+</UL>
+<P>The choice of the two formats is usually esthetic. However, each line
+ in a PPD file must not exceed 255 characters, so if your PostScript
+ commands are long you may need to break them up on separate lines.</P>
+<H3><A NAME="5_2_2">Reading Raster Data</A></H3>
+<P>As with any filter, your printer driver should handle raster data
+ from a filename specified on the command-line or from the standard
+ input. The<A HREF="#cupsRasterOpen"> <CODE>cupsRasterOpen()</CODE></A>
+ function opens a raster stream for printing:</P>
+<UL>
+<PRE>
+int           fd;   /* File descriptor */
+cups_raster_t *ras; /* Raster stream for printing */
+
+
+/*
+ * Check for valid arguments...
+ */
+
+if (argc &lt; 6 || argc &gt; 7)
+{
+ /*
+  * We don't have the correct number of arguments; write an error message
+  * and return.
+  */
+
+  fputs(&quot;ERROR: rastertopcl job-id user title copies options [file]\n&quot;, stderr);
+  return (1);
+}
+
+/*
+ * Open the page stream...
+ */
+
+if (argc == 7)
+{
+  if ((fd = open(argv[6], O_RDONLY)) == -1)
+  {
+    perror(&quot;ERROR: Unable to open raster file - &quot;);
+    sleep(1);
+    return (1);
+  }
+}
+else
+  fd = 0;
+
+ras = cupsRasterOpen(fd, CUPS_RASTER_READ);
+</PRE>
+</UL>
+<P>Once you have opened the raster stream you just need to read each
+ page and print it:</P>
+<UL>
+<PRE>
+cups_raster_header_t header;
+int                  y;
+unsigned char        data[8192];
+
+while (cupsRasterReadHeader(ras, &amp;header))
+{
+  ... initialize the printer ...
+  for (y = header.cupsHeight; y &gt; 0; y ++)
+  {
+    cupsRasterReadPixels(ras, data, header.cupsBytesPerLine);
+    ... send raster line to printer ...
+  }
+}
+</PRE>
+</UL>
+<P>After you have processed all pages, close the raster stream and
+ return:</P>
+<UL>
+<PRE>
+cupsRasterClose(ras);
+
+return (0);
+</PRE>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="WRITING_BACKENDS">5 - Writing Backends</A></H1>
+<P>This chapter describes how to write a backend for CUPS. Backends
+ communicate directly with printers and allow printer drivers and
+ filters to send data using any type of connection transparently.</P>
+<H2><A NAME="6_1">Overview</A></H2>
+<P>Backends are special filters that communicate with printers directly.
+ They are treated slightly differently than filters, however, and have
+ some unique requirements.</P>
+<H3><A NAME="6_1_1">Security Considerations</A></H3>
+<P>Backends are run as the root user, so special care must be taken to
+ avoid potential security violations. In particular, remember that a
+ backend will be able to manipulate disk files, devices, and other
+ resources that potentially could damage a system or printer.</P>
+<H3><A NAME="6_1_2">Command-Line Arguments</A></H3>
+<P>Besides the standard filter arguments, backends are also run with no
+ arguments to get a list of available devices. This discovery process is
+ described later in this chapter.</P>
+<H3><A NAME="6_1_3">Copy Generation</A></H3>
+<P>Like filters, backends should send multiple copies of the print file
+ only if a filename is supplied on the command-line. Otherwise the
+ backend should assume that the upstream filter has already added the
+ necessary commands or data to produce the multiple copies.</P>
+<H3><A NAME="6_1_4">Page Accounting</A></H3>
+<P>Backend filters generally do not do page accounting, however they
+ should at a minimum produce a single page message for each copy that is
+ produced when a filename is present on the command-line. This is
+ because the user selected &quot;raw&quot; printing and no other accounting
+ information is possible.</P>
+<H3><A NAME="6_1_5">Exclusive Access</A></H3>
+<P>Backends that talk to local character or block devices should open
+ the device file in exclusive mode (<CODE>O_EXCL</CODE>) to cooperate
+ with other printers defined for the same device.</P>
+<H3><A NAME="6_1_6">Retries</A></H3>
+<P>All backends<B> must</B> retry connections to the device. This
+ includes backends that talk to local character or block devices, as the
+ user may define more than one printer queue pointing at the same
+ physical device.</P>
+<P>To prevent excess CPU utilitization, the backend should go to sleep
+ for an amount of time between retries; the CUPS-supplied backends retry
+ once every 30 seconds.</P>
+<H2><A NAME="6_2">Dissecting the Serial Port Backend</A></H2>
+<P>The serial port backend provides support for serial printers. Since
+ it does everything a good backend needs to do, it provides an excellent
+ example of what to do.</P>
+<H3><A NAME="6_2_1">Supporting Device Discovery</A></H3>
+<P>As previously noted, backends are special filter programs that talk
+ to printer devices. Another task a backend must perform is to list the
+ available devices it supports. The backend lists the available devices
+ when no additioanl arguments are supplied on the command-line (i.e.
+ just the command name...)</P>
+<P>The serial backend lists devices by looking at serial port files in
+ the<VAR> /dev</VAR> directory, by consulting a hardware inventory
+ (IRIX), and in some cases by trying to open the ports to see if they
+ actually exist.</P>
+<P>Once it finds a serial port it writes a single line for each port to
+ the standard error file. Each line looks like this:</P>
+<UL>
+<PRE>
+serial serial:/dev/ttyS0?baud=115200 &quot;Unknown&quot; &quot;Serial Port 1&quot;
+</PRE>
+</UL>
+<P>The first word &quot;serial&quot; is the<I> device class</I>; this identifies
+ the class of device which can be used to categorize it in user
+ interfaces. CUPS currently recognizes the following classes:</P>
+<UL>
+<LI>&quot;file&quot; - a disk file.</LI>
+<LI>&quot;direct&quot; - a parallel or fixed-rate serial data port, currently used
+ for Centronics, IEEE-1284, and USB printer ports.</LI>
+<LI>&quot;serial&quot; - a variable-rate serial port.</LI>
+<LI>&quot;network&quot; - a network connection, typically via AppSocket, HTTP,
+ IPP, LPD, or SMB/CIFS protocols.</LI>
+</UL>
+<P>After the device class is the<I> device URI</I>, in this case
+ &quot;serial:/dev/ttyS0?baud=115200&quot;. This is the URI that should be used by
+ the user to select this port. For serial ports, the &quot;baud=115200&quot;
+ specifies the maximum baud rate supported by the port - the actual
+ value will vary based on the speed the user selects for the printer.</P>
+<P>The last two strings are the model and description for the port. The
+ &quot;Unknown&quot; string means that the printer model is unknown - some devices
+ are able to provide a make and model such as &quot;HP DeskJet&quot; that allows
+ users and software to choose an appropriate printer driver more easily.
+ Both the model and description must be enclosed inside double quotes.</P>
+<H3><A NAME="6_2_2">Opening the Serial Port</A></H3>
+<P>As noted previously, all backends should open device files in
+ exclusive mode, and retry as needed until the port is available. The
+ serial port does this using a <CODE>do-while</CODE> loop:</P>
+<UL>
+<PRE>
+do
+{
+  if ((fd = open(resource, O_WRONLY | O_NOCTTY | O_EXCL)) == -1)
+  {
+    if (errno == EBUSY)
+    {
+      fputs(&quot;INFO: Serial port busy; will retry in 30 seconds...\n&quot;, stderr);
+      sleep(30);
+    }
+    else
+    {
+      perror(&quot;ERROR: Unable to open serial port device file&quot;);
+      return (1);
+    }
+  }
+}
+while (fd &lt; 0);
+</PRE>
+</UL>
+<P>If the port is busy or in use by another process, the backend will go
+ to sleep for 30 seconds and try again. If another error is detected a
+ message is sent to the user and the backend aborts the print job until
+ the problem can be corrected.</P>
+<H3><A NAME="6_2_3">Writing Data to the Port</A></H3>
+<P>Network and character devices pose an interesting problem when
+ writing data to the port - they may not be able to write all of the
+ bytes in your buffer before returning. To work around this problem you
+ must loop until all bytes have been written:</P>
+<UL>
+<PRE>
+while (nbytes &gt; 0)
+{
+  if ((wbytes = write(fd, bufptr, nbytes)) &lt; 0)
+    if (errno == ENOTTY)
+      wbytes = write(fd, bufptr, nbytes);
+
+  if (wbytes &lt; 0)
+  {
+    perror(&quot;ERROR: Unable to send print file to printer&quot;);
+    break;
+  }
+
+  nbytes -= wbytes;
+  bufptr += wbytes;
+}
+</PRE>
+</UL>
+<P>The check for the <CODE>ENOTTY</CODE> error is needed on some
+ platforms to clear an error from a previous <CODE>ioctl()</CODE> call.</P>
+<H3><A NAME="6_2_4">Finishing Up</A></H3>
+<P>Once you have sent the print file, return 0 if the file printed
+ successfully or 1 if it did not. This will allow the scheduler to stop
+ the print job if there is a device error, preserving the print job for
+ later printing once the problem has been corrected.</P>
+<H1 ALIGN="RIGHT"><A NAME="LICENSE">A - Software License Agreement</A></H1>
+<H2 ALIGN="CENTER"><A NAME="7_1">Common UNIX Printing System License
+ Agreement</A></H2>
+<P ALIGN="CENTER">Copyright 1997-2002 by Easy Software Products
+<BR> 44141 AIRPORT VIEW DR STE 204
+<BR> HOLLYWOOD, MARYLAND 20636-3111 USA
+<BR>
+<BR> Voice: +1.301.373.9600
+<BR> Email:<A HREF="mailto:cups-info@cups.org"> cups-info@cups.org</A>
+<BR> WWW:<A HREF="http://www.cups.org"> http://www.cups.org</A></P>
+<H3><A NAME="7_1_1">Introduction</A></H3>
+<P>The Common UNIX Printing System<SUP>TM</SUP>, (&quot;CUPS<SUP>TM</SUP>&quot;),
+ is provided under the GNU General Public License (&quot;GPL&quot;) and GNU
+ Library General Public License (&quot;LGPL&quot;), Version 2. A copy of these
+ licenses follow this introduction.</P>
+<P>The GNU LGPL applies to the CUPS API library, located in the &quot;cups&quot;
+ subdirectory of the CUPS source distribution and in the
+ &quot;/usr/include/cups&quot; directory and &quot;libcups.a&quot;, &quot;libcups_s.a&quot;,
+ &quot;libcups.sl&quot;, or &quot;libcups.so&quot; files in the binary distributions.</P>
+<P>The GNU GPL applies to the remainder of the CUPS distribution,
+ including the &quot;pstoraster&quot; filter which is based upon GNU Ghostscript
+ 5.50 and the &quot;pdftops&quot; filter which is based upon Xpdf 0.93a.</P>
+<P>For those not familiar with the GNU GPL, the license basically allows
+ you to:</P>
+<UL>
+<LI>Use the CUPS software at no charge.</LI>
+<LI>Distribute verbatim copies of the software in source or binary form.</LI>
+<LI>Sell verbatim copies of the software for a media fee, or sell
+ support for the software.</LI>
+<LI>Distribute or sell printer drivers and filters that use CUPS so long
+ as source code is made available under the GPL.</LI>
+</UL>
+<P>What this license<B> does not</B> allow you to do is make changes or
+ add features to CUPS and then sell a binary distribution without source
+ code. You must provide source for any new drivers, changes, or
+ additions to the software, and all code must be provided under the GPL
+ or LGPL as appropriate.</P>
+<P>The GNU LGPL relaxes the &quot;link-to&quot; restriction, allowing you to
+ develop applications that use the CUPS API library under other licenses
+ and/or conditions as appropriate for your application.</P>
+<H3><A NAME="7_1_2">Trademarks</A></H3>
+<P>Easy Software Products has trademarked the Common UNIX Printing
+ System, CUPS, and CUPS logo. These names and logos may be used freely
+ in any direct port or binary distribution of CUPS. To use them in
+ derivative products, please contract Easy Software Products for written
+ permission. Our intention is to protect the value of these trademarks
+ and ensure that any derivative product meets the same high-quality
+ standards as the original.</P>
+<H3><A NAME="7_1_3">Binary Distribution Rights</A></H3>
+<P>Easy Software Products also sells rights to the CUPS source code
+ under a binary distribution license for vendors that are unable to
+ release source code for their drivers, additions, and modifications to
+ CUPS under the GNU GPL and LGPL. For information please contact us at
+ the address shown above.</P>
+<P>The Common UNIX Printing System provides a &quot;pstoraster&quot; filter that
+ utilizes the GNU GhostScript 5.50 core to convert PostScript files into
+ a stream of raster images. For binary distribution licensing of this
+ software, please contact:<BLOCKQUOTE> Miles Jones
+<BR> Director of Marketing
+<BR> Artifex Software Inc.
+<BR> 454 Las Gallinas Ave., Suite 108
+<BR> San Rafael, CA 94903 USA
+<BR> Voice: +1.415.492.9861
+<BR> Fax: +1.415.492.9862
+<BR> EMail:<A HREF="mailto:info@arsoft.com"> info@arsoft.com</A></BLOCKQUOTE>
+</P>
+<P>The &quot;pdftops&quot; filter is based on the Xpdf 0.93a software. For binary
+ distribution licensing of this software, please contact:<BLOCKQUOTE>
+ Derek B. Noonburg
+<BR> Email:<A HREF="mailto:derekn@foolabs.com"> derekn@foolabs.com</A>
+<BR> WWW:<A HREF="http://www.foolabs.com/xpdf/">
+ http://www.foolabs.com/xpdf/</A></BLOCKQUOTE></P>
+<H3><A NAME="7_1_4">Support</A></H3>
+<P>Easy Software Products sells software support for CUPS as well as a
+ commercial printing product based on CUPS called ESP Print Pro. You can
+ find out more at our web site:</P>
+<UL>
+<PRE>
+<A HREF="http://www.easysw.com">http://www.easysw.com</A>
+</PRE>
+</UL>
+
+<!-- NEW PAGE -->
+<H2><A NAME="7_2">GNU GENERAL PUBLIC LICENSE</A></H2>
+<P>Version 2, June 1991</P>
+<PRE>
+Copyright 1989, 1991 Free Software Foundation, Inc.
+59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Everyone is permitted to copy and distribute verbatim
+copies of this license document, but changing it is not allowed.
+</PRE>
+<PRE>
+
+</PRE>
+<H4>Preamble</H4>
+<P>The licenses for most software are designed to take away your freedom
+ to share and change it. By contrast, the GNU General Public License is
+ intended to guarantee your freedom to share and change free
+ software--to make sure the software is free for all its users. This
+ General Public License applies to most of the Free Software
+ Foundation's software and to any other program whose authors commit to
+ using it. (Some other Free Software Foundation software is covered by
+ the GNU Library General Public License instead.) You can apply it to
+ your programs, too.</P>
+<P>When we speak of free software, we are referring to freedom, not
+ price. Our General Public Licenses are designed to make sure that you
+ have the freedom to distribute copies of free software (and charge for
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+ These restrictions translate to certain responsibilities for you if you
+ distribute copies of the software, or if you modify it.</P>
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+<H4>GNU GENERAL PUBLIC LICENSE
+<BR> TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</H4>
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+
+<!-- NEW PAGE -->
+<H2><A NAME="7_3">GNU LIBRARY GENERAL PUBLIC LICENSE</A></H2>
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+<H4>END OF TERMS AND CONDITIONS</H4>
+<H1 ALIGN="RIGHT"><A NAME="CONSTANTS">B - Constants</A></H1>
+<P>This appendix lists all of the constants that are defined by the CUPS
+ API.</P>
+<H2><A NAME="8_1">CUPS Constants</A></H2>
+<H3><A NAME="8_1_1">Version Number</A></H3>
+<P>The <CODE>CUPS_VERSION</CODE> constant is a floating-point number
+ representing the API version number. The current version number is
+ 1.0100 which represents CUPS version 1.1.0.</P>
+<H3><A NAME="8_1_2">Printer Capabilities</A></H3>
+<P>The <CODE>CUPS_PRINTER</CODE> constants represent capability bits for
+ printers and classes:</P>
+<UL>
+<LI><CODE>CUPS_PRINTER_LOCAL</CODE> - Is a local printer or class.</LI>
+<LI><CODE>CUPS_PRINTER_REMOTE</CODE> - Is a remote printer or class.</LI>
+<LI><CODE>CUPS_PRINTER_CLASS</CODE> - Is a class.</LI>
+<LI><CODE>CUPS_PRINTER_BW</CODE> - Printer prints in black and white.</LI>
+<LI><CODE>CUPS_PRINTER_COLOR</CODE> - Printer prints in color.</LI>
+<LI><CODE>CUPS_PRINTER_DUPLEX</CODE> - Printer can print double-sided.</LI>
+<LI><CODE>CUPS_PRINTER_STAPLE</CODE> - Printer can staple output.</LI>
+<LI><CODE>CUPS_PRINTER_COPIES</CODE> - Printer can produce multiple
+ copies on its own.</LI>
+<LI><CODE>CUPS_PRINTER_COLLATE</CODE> - Printer can collate copies.</LI>
+<LI><CODE>CUPS_PRINTER_PUNCH</CODE> - Printer can punch holes in output.</LI>
+<LI><CODE>CUPS_PRINTER_COVER</CODE> - Printer can put covers on output.</LI>
+<LI><CODE>CUPS_PRINTER_BIND</CODE> - Printer can bind output.</LI>
+<LI><CODE>CUPS_PRINTER_SORT</CODE> - Printer can sort output.</LI>
+<LI><CODE>CUPS_PRINTER_SMALL</CODE> - Printer can print on media up to
+ 9x14 inches.</LI>
+<LI><CODE>CUPS_PRINTER_MEDIUM</CODE> - Printer can print on media from
+ 9x14 to 18x24 inches.</LI>
+<LI><CODE>CUPS_PRINTER_LARGE</CODE> - Printer can print on media larger
+ than 18x24 inches.</LI>
+<LI><CODE>CUPS_PRINTER_VARIABLE</CODE> - Printer can print on variable
+ or custom media sizes.</LI>
+<LI><CODE>CUPS_PRINTER_IMPLICIT</CODE> - Is an implicit class.</LI>
+<LI><CODE>CUPS_PRINTER_OPTIONS</CODE> - All of the printer capability
+ and option bits.</LI>
+</UL>
+<H3><A NAME="8_1_3">Encodings</A></H3>
+<P>CUPS defines the following character set encoding constants:</P>
+<UL>
+<LI><CODE>CUPS_US_ASCII</CODE> - US ASCII character set.</LI>
+<LI><CODE>CUPS_UTF_8</CODE> - UTF-8 encoding of Unicode.</LI>
+<LI><CODE>CUPS_ISO8859_1</CODE> - ISO-8859-1 character set.</LI>
+<LI><CODE>CUPS_ISO8859_2</CODE> - ISO-8859-2 character set.</LI>
+<LI><CODE>CUPS_ISO8859_3</CODE> - ISO-8859-3 character set.</LI>
+<LI><CODE>CUPS_ISO8859_4</CODE> - ISO-8859-4 character set.</LI>
+<LI><CODE>CUPS_ISO8859_5</CODE> - ISO-8859-5 character set.</LI>
+<LI><CODE>CUPS_ISO8859_6</CODE> - ISO-8859-6 character set.</LI>
+<LI><CODE>CUPS_ISO8859_7</CODE> - ISO-8859-7 character set.</LI>
+<LI><CODE>CUPS_ISO8859_8</CODE> - ISO-8859-8 character set.</LI>
+<LI><CODE>CUPS_ISO8859_9</CODE> - ISO-8859-9 character set.</LI>
+<LI><CODE>CUPS_ISO8859_10</CODE> - ISO-8859-10 character set.</LI>
+<LI><CODE>CUPS_ISO8859_13</CODE> - ISO-8859-13 character set.</LI>
+<LI><CODE>CUPS_ISO8859_14</CODE> - ISO-8859-14 character set.</LI>
+<LI><CODE>CUPS_ISO8859_15</CODE> - ISO-8859-15 character set.</LI>
+<LI><CODE>CUPS_WINDOWS_874</CODE> - Windows code page 874.</LI>
+<LI><CODE>CUPS_WINDOWS_1250</CODE> - Windows code page 1250.</LI>
+<LI><CODE>CUPS_WINDOWS_1251</CODE> - Windows code page 1251.</LI>
+<LI><CODE>CUPS_WINDOWS_1252</CODE> - Windows code page 1252.</LI>
+<LI><CODE>CUPS_WINDOWS_1253</CODE> - Windows code page 1253.</LI>
+<LI><CODE>CUPS_WINDOWS_1254</CODE> - Windows code page 1254.</LI>
+<LI><CODE>CUPS_WINDOWS_1255</CODE> - Windows code page 1255.</LI>
+<LI><CODE>CUPS_WINDOWS_1256</CODE> - Windows code page 1256.</LI>
+<LI><CODE>CUPS_WINDOWS_1257</CODE> - Windows code page 1257.</LI>
+<LI><CODE>CUPS_WINDOWS_1258</CODE> - Windows code page 1258.</LI>
+<LI><CODE>CUPS_KOI8_R</CODE> - Russian code page koi8-r.</LI>
+<LI><CODE>CUPS_KOI8_U</CODE> - Ukrainian code page koi8-r.</LI>
+</UL>
+<H2><A NAME="8_2">HTTP Constants</A></H2>
+<H3><A NAME="8_2_1">Limits</A></H3>
+<P>The following constants define the limits for strings:</P>
+<UL>
+<LI><CODE>HTTP_MAX_BUFFER</CODE> - Size of socket buffer.</LI>
+<LI><CODE>HTTP_MAX_HOST</CODE> - Maximum length of hostname.</LI>
+<LI><CODE>HTTP_MAX_URI</CODE> - Maximum length of URI.</LI>
+<LI><CODE>HTTP_MAX_VALUE</CODE> - Maximum length of field values.</LI>
+</UL>
+<H3><A NAME="8_2_2">Status Codes</A></H3>
+<P>The following status codes can be returned by <CODE>httpUpdate()</CODE>
+:</P>
+<UL>
+<LI><CODE>HTTP_ERROR</CODE> - A network error occurred</LI>
+<LI><CODE>HTTP_CONTINUE</CODE> - Continue response from HTTP proxy</LI>
+<LI><CODE>HTTP_OK</CODE> - OPTIONS/GET/HEAD/POST/TRACE command was
+ successful</LI>
+<LI><CODE>HTTP_CREATED</CODE> - PUT command was successful</LI>
+<LI><CODE>HTTP_ACCEPTED</CODE> - DELETE command was successful</LI>
+<LI><CODE>HTTP_NOT_AUTHORITATIVE</CODE> - Information isn't
+ authoritative</LI>
+<LI><CODE>HTTP_NO_CONTENT</CODE> - Successful command</LI>
+<LI><CODE>HTTP_RESET_CONTENT</CODE> - Content was reset/recreated</LI>
+<LI><CODE>HTTP_PARTIAL_CONTENT</CODE> - Only a partial file was
+ recieved/sent</LI>
+<LI><CODE>HTTP_MULTIPLE_CHOICES</CODE> - Multiple files match request</LI>
+<LI><CODE>HTTP_MOVED_PERMANENTLY</CODE> - Document has moved permanently</LI>
+<LI><CODE>HTTP_MOVED_TEMPORARILY</CODE> - Document has moved temporarily</LI>
+<LI><CODE>HTTP_SEE_OTHER</CODE> - See this other link...</LI>
+<LI><CODE>HTTP_NOT_MODIFIED</CODE> - File not modified</LI>
+<LI><CODE>HTTP_USE_PROXY</CODE> - Must use a proxy to access this URI</LI>
+<LI><CODE>HTTP_BAD_REQUEST</CODE> - Bad request</LI>
+<LI><CODE>HTTP_UNAUTHORIZED</CODE> - Unauthorized to access host</LI>
+<LI><CODE>HTTP_PAYMENT_REQUIRED</CODE> - Payment required</LI>
+<LI><CODE>HTTP_FORBIDDEN</CODE> - Forbidden to access this URI</LI>
+<LI><CODE>HTTP_NOT_FOUND</CODE> - URI was not found</LI>
+<LI><CODE>HTTP_METHOD_NOT_ALLOWED</CODE> - Method is not allowed</LI>
+<LI><CODE>HTTP_NOT_ACCEPTABLE</CODE> - Not Acceptable</LI>
+<LI><CODE>HTTP_PROXY_AUTHENTICATION</CODE> - Proxy Authentication is
+ Required</LI>
+<LI><CODE>HTTP_REQUEST_TIMEOUT</CODE> - Request timed out</LI>
+<LI><CODE>HTTP_CONFLICT</CODE> - Request is self-conflicting</LI>
+<LI><CODE>HTTP_GONE</CODE> - Server has gone away</LI>
+<LI><CODE>HTTP_LENGTH_REQUIRED</CODE> - A content length or encoding is
+ required</LI>
+<LI><CODE>HTTP_PRECONDITION</CODE> - Precondition failed</LI>
+<LI><CODE>HTTP_REQUEST_TOO_LARGE</CODE> - Request entity too large</LI>
+<LI><CODE>HTTP_URI_TOO_LONG</CODE> - URI too long</LI>
+<LI><CODE>HTTP_UNSUPPORTED_MEDIATYPE</CODE> - The requested media type
+ is unsupported</LI>
+<LI><CODE>HTTP_SERVER_ERROR</CODE> - Internal server error</LI>
+<LI><CODE>HTTP_NOT_IMPLEMENTED</CODE> - Feature not implemented</LI>
+<LI><CODE>HTTP_BAD_GATEWAY</CODE> - Bad gateway</LI>
+<LI><CODE>HTTP_SERVICE_UNAVAILABLE</CODE> - Service is unavailable</LI>
+<LI><CODE>HTTP_GATEWAY_TIMEOUT</CODE> - Gateway connection timed out</LI>
+<LI><CODE>HTTP_NOT_SUPPORTED</CODE> - HTTP version not supported</LI>
+</UL>
+<H3><A NAME="8_2_3">Fields</A></H3>
+<P>The following fields are indices for each of the standard HTTP fields
+ in HTTP 1/1:</P>
+<UL>
+<LI><CODE>HTTP_FIELD_ACCEPT_LANGUAGE</CODE> - Accept-Language</LI>
+<LI><CODE>HTTP_FIELD_ACCEPT_RANGES</CODE> - Accept-Ranges</LI>
+<LI><CODE>HTTP_FIELD_AUTHORIZATION</CODE> - Authorization</LI>
+<LI><CODE>HTTP_FIELD_CONNECTION</CODE> - Connection</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_ENCODING</CODE> - Content-Encoding</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_LANGUAGE</CODE> - Content-Language</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_LENGTH</CODE> - Content-Length</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_LOCATION</CODE> - Content-Location</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_MD5</CODE> - Content-MD5</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_RANGE</CODE> - Content-Range</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_TYPE</CODE> - Content-Type</LI>
+<LI><CODE>HTTP_FIELD_CONTENT_VERSION</CODE> - Content-Version</LI>
+<LI><CODE>HTTP_FIELD_DATE</CODE> - Date</LI>
+<LI><CODE>HTTP_FIELD_HOST</CODE> - Host</LI>
+<LI><CODE>HTTP_FIELD_IF_MODIFIED_SINCE</CODE> - If-Modified-Since</LI>
+<LI><CODE>HTTP_FIELD_IF_UNMODIFIED_SINCE</CODE> - If-Unmodified-Since</LI>
+<LI><CODE>HTTP_FIELD_KEEP_ALIVE</CODE> - Keep-Alive</LI>
+<LI><CODE>HTTP_FIELD_LAST_MODIFIED</CODE> - Last-Modified</LI>
+<LI><CODE>HTTP_FIELD_LINK</CODE> - Link</LI>
+<LI><CODE>HTTP_FIELD_LOCATION</CODE> - Location</LI>
+<LI><CODE>HTTP_FIELD_RANGE</CODE> - Range</LI>
+<LI><CODE>HTTP_FIELD_REFERER</CODE> - Referer</LI>
+<LI><CODE>HTTP_FIELD_RETRY_AFTER</CODE> - Retry-After</LI>
+<LI><CODE>HTTP_FIELD_TRANSFER_ENCODING</CODE> - Transfer-Encoding</LI>
+<LI><CODE>HTTP_FIELD_UPGRADE</CODE> - Upgrade</LI>
+<LI><CODE>HTTP_FIELD_USER_AGENT</CODE> - User-Agent</LI>
+<LI><CODE>HTTP_FIELD_WWW_AUTHENTICATE</CODE> - WWW-Authenticate</LI>
+</UL>
+<H2><A NAME="8_3">IPP Constants</A></H2>
+<H3><A NAME="8_3_1">Limits</A></H3>
+<P>The following constants define array limits for IPP data:</P>
+<UL>
+<LI><CODE>IPP_MAX_NAME</CODE> - Maximum length of an attribute name</LI>
+<LI><CODE>IPP_MAX_VALUES</CODE> - Maximum number of set-of values that
+ can be read in a request.</LI>
+</UL>
+<H3><A NAME="8_3_2">Tags</A></H3>
+<UL>
+<LI><CODE>IPP_TAG_ZERO</CODE> - Wildcard tag value for searches; also
+ used to separate groups of attributes</LI>
+<LI><CODE>IPP_TAG_OPERATION</CODE> - Tag for values of type operation</LI>
+<LI><CODE>IPP_TAG_JOB</CODE> - Tag for values of type job</LI>
+<LI><CODE>IPP_TAG_END</CODE> - Tag for values of type end</LI>
+<LI><CODE>IPP_TAG_PRINTER</CODE> - Tag for values of type printer</LI>
+<LI><CODE>IPP_TAG_UNSUPPORTED_GROUP</CODE> - Tag for values of type
+ unsupported_group</LI>
+<LI><CODE>IPP_TAG_UNSUPPORTED_VALUE</CODE> - Tag for values of type
+ unsupported_value</LI>
+<LI><CODE>IPP_TAG_DEFAULT</CODE> - Tag for values of type default</LI>
+<LI><CODE>IPP_TAG_UNKNOWN</CODE> - Tag for values of type unknown</LI>
+<LI><CODE>IPP_TAG_NOVALUE</CODE> - Tag for values of type novalue</LI>
+<LI><CODE>IPP_TAG_NOTSETTABLE</CODE> - Tag for values of type
+ notsettable</LI>
+<LI><CODE>IPP_TAG_DELETEATTR</CODE> - Tag for values of type deleteattr</LI>
+<LI><CODE>IPP_TAG_ANYVALUE</CODE> - Tag for values of type anyvalue</LI>
+<LI><CODE>IPP_TAG_INTEGER</CODE> - Tag for values of type integer</LI>
+<LI><CODE>IPP_TAG_BOOLEAN</CODE> - Tag for values of type boolean</LI>
+<LI><CODE>IPP_TAG_ENUM</CODE> - Tag for values of type enum</LI>
+<LI><CODE>IPP_TAG_STRING</CODE> - Tag for values of type string</LI>
+<LI><CODE>IPP_TAG_DATE</CODE> - Tag for values of type date</LI>
+<LI><CODE>IPP_TAG_RESOLUTION</CODE> - Tag for values of type resolution</LI>
+<LI><CODE>IPP_TAG_RANGE</CODE> - Tag for values of type range</LI>
+<LI><CODE>IPP_TAG_COLLECTION</CODE> - Tag for values of type collection</LI>
+<LI><CODE>IPP_TAG_TEXTLANG</CODE> - Tag for values of type textlang</LI>
+<LI><CODE>IPP_TAG_NAMELANG</CODE> - Tag for values of type namelang</LI>
+<LI><CODE>IPP_TAG_TEXT</CODE> - Tag for values of type text</LI>
+<LI><CODE>IPP_TAG_NAME</CODE> - Tag for values of type name</LI>
+<LI><CODE>IPP_TAG_KEYWORD</CODE> - Tag for values of type keyword</LI>
+<LI><CODE>IPP_TAG_URI</CODE> - Tag for values of type uri</LI>
+<LI><CODE>IPP_TAG_URISCHEME</CODE> - Tag for values of type urischeme</LI>
+<LI><CODE>IPP_TAG_CHARSET</CODE> - Tag for values of type charset</LI>
+<LI><CODE>IPP_TAG_LANGUAGE</CODE> - Tag for values of type language</LI>
+<LI><CODE>IPP_TAG_MIMETYPE</CODE> - Tag for values of type mimetype</LI>
+</UL>
+<H3><A NAME="8_3_3">Resolution Units</A></H3>
+<P>The <CODE>IPP_RES_PER_INCH</CODE> and <CODE>IPP_RES_PER_CM</CODE>
+ constants specify dots per inch and dots per centimeter, respectively.</P>
+<H3><A NAME="8_3_4">Finishings</A></H3>
+<P>The finishing values specify special finishing operations to be
+ performed on the job.</P>
+<UL>
+<LI><CODE>IPP_FINISH_NONE</CODE> - Do no finishing</LI>
+<LI><CODE>IPP_FINISH_STAPLE</CODE> - Staple the job</LI>
+<LI><CODE>IPP_FINISH_PUNCH</CODE> - Punch the job</LI>
+<LI><CODE>IPP_FINISH_COVER</CODE> - Cover the job</LI>
+<LI><CODE>IPP_FINISH_BIND</CODE> - Bind the job</LI>
+</UL>
+<H3><A NAME="8_3_5">Orientations</A></H3>
+<P>The orientation values specify the orientation of the job.</P>
+<UL>
+<LI><CODE>IPP_PORTRAIT</CODE> - No rotation</LI>
+<LI><CODE>IPP_LANDSCAPE</CODE> - 90 degrees counter-clockwise</LI>
+<LI><CODE>IPP_REVERSE_LANDSCAPE</CODE> - 90 degrees clockwise</LI>
+<LI><CODE>IPP_REVERSE_PORTRAIT</CODE> - 180 degrees</LI>
+</UL>
+<H3><A NAME="8_3_6">Qualities</A></H3>
+<P>The quality values specify the desired quality of the print.</P>
+<UL>
+<LI><CODE>IPP_QUALITY_DRAFT</CODE> - Draft quality</LI>
+<LI><CODE>IPP_QUALITY_NORMAL</CODE> - Normal quality</LI>
+<LI><CODE>IPP_QUALITY_HIGH</CODE> - High quality</LI>
+</UL>
+<H3><A NAME="8_3_7">Job States</A></H3>
+<P>The job state values are used to represent the current job state.</P>
+<UL>
+<LI><CODE>IPP_JOB_PENDING</CODE> - Job is pending</LI>
+<LI><CODE>IPP_JOB_HELD</CODE> - Job is held</LI>
+<LI><CODE>IPP_JOB_PROCESSING</CODE> - Job is processing</LI>
+<LI><CODE>IPP_JOB_STOPPED</CODE> - Job is stopped</LI>
+<LI><CODE>IPP_JOB_CANCELLED</CODE> - Job is cancelled</LI>
+<LI><CODE>IPP_JOB_ABORTED</CODE> - Job is aborted</LI>
+<LI><CODE>IPP_JOB_COMPLETED</CODE> - Job is completed</LI>
+</UL>
+<H3><A NAME="8_3_8">Printer States</A></H3>
+<P>The printer state values are used to represent the current printer
+ state.</P>
+<UL>
+<LI><CODE>IPP_PRINTER_IDLE</CODE> - Printer is idle</LI>
+<LI><CODE>IPP_PRINTER_PROCESSING</CODE> - Printer is processing</LI>
+<LI><CODE>IPP_PRINTER_STOPPED</CODE> - Printer is stopped</LI>
+</UL>
+<H3><A NAME="8_3_9">Operations</A></H3>
+<P>The operation values represent the available IPP operations.</P>
+<UL>
+<LI><CODE>IPP_PRINT_JOB</CODE> - Print a file</LI>
+<LI><CODE>IPP_PRINT_URI</CODE> - Print a URI</LI>
+<LI><CODE>IPP_VALIDATE_JOB</CODE> - Validate job attributes</LI>
+<LI><CODE>IPP_CREATE_JOB</CODE> - Create a new job</LI>
+<LI><CODE>IPP_SEND_DOCUMENT</CODE> - Send a document to a job</LI>
+<LI><CODE>IPP_SEND_URI</CODE> - Send a URI to a job</LI>
+<LI><CODE>IPP_CANCEL_JOB</CODE> - Cancel a job</LI>
+<LI><CODE>IPP_GET_JOB_ATTRIBUTES</CODE> - Get job attributes</LI>
+<LI><CODE>IPP_GET_JOBS</CODE> - Get a list of all jobs</LI>
+<LI><CODE>IPP_GET_PRINTER_ATTRIBUTES</CODE> - Get printer attributes</LI>
+<LI><CODE>IPP_HOLD_JOB</CODE> - Hold a pending job</LI>
+<LI><CODE>IPP_RELEASE_JOB</CODE> - Release a held job</LI>
+<LI><CODE>IPP_RESTART_JOB</CODE> - Restart a completed job</LI>
+<LI><CODE>IPP_PAUSE_PRINTER</CODE> - Pause a printer</LI>
+<LI><CODE>IPP_RESUME_PRINTER</CODE> - Restart a paused printer</LI>
+<LI><CODE>IPP_PURGE_JOBS</CODE> - Purge jobs from the queue</LI>
+<LI><CODE>IPP_SET_PRINTER_ATTRIBUTES</CODE> - Set printer attributes</LI>
+<LI><CODE>IPP_SET_JOB_ATTRIBUTES</CODE> - Set job attributes</LI>
+<LI><CODE>IPP_GET_PRINTER_SUPPORTED_VALUES</CODE> - Get printer
+ supported values</LI>
+<LI><CODE>CUPS_GET_DEFAULT</CODE> - Get the default destination</LI>
+<LI><CODE>CUPS_GET_PRINTERS</CODE> - Get a list of all printers</LI>
+<LI><CODE>CUPS_ADD_PRINTER</CODE> - Add or modify a printer</LI>
+<LI><CODE>CUPS_DELETE_PRINTER</CODE> - Delete a printer</LI>
+<LI><CODE>CUPS_GET_CLASSES</CODE> - Get a list of all classes</LI>
+<LI><CODE>CUPS_ADD_CLASS</CODE> - Add or modify a class</LI>
+<LI><CODE>CUPS_DELETE_CLASS</CODE> - Delete a class</LI>
+<LI><CODE>CUPS_ACCEPT_JOBS</CODE> - Accept jobs on a printer or class</LI>
+<LI><CODE>CUPS_REJECT_JOBS</CODE> - Reject jobs on a printer or class</LI>
+<LI><CODE>CUPS_SET_DEFAULT</CODE> - Set the default destination</LI>
+<LI><CODE>CUPS_GET_DEVICES</CODE> - Get a list of all devices</LI>
+<LI><CODE>CUPS_GET_PPDS</CODE> - Get a list of all PPDs</LI>
+<LI><CODE>CUPS_MOVE_JOB</CODE> - Move a job to a new destination</LI>
+</UL>
+<H3><A NAME="8_3_10">Status Codes</A></H3>
+<P>Status codes are returned by all IPP requests.</P>
+<UL>
+<LI><CODE>IPP_OK</CODE> - Request completed with no errors</LI>
+<LI><CODE>IPP_OK_SUBST</CODE> - Request completed but some attribute
+ values were substituted</LI>
+<LI><CODE>IPP_OK_CONFLICT</CODE> - Request completed but some attributes
+ conflicted</LI>
+<LI><CODE>IPP_BAD_REQUEST</CODE> - The request was bad</LI>
+<LI><CODE>IPP_FORBIDDEN</CODE> - You don't have access to the resource</LI>
+<LI><CODE>IPP_NOT_AUTHENTICATED</CODE> - You are not authenticated for
+ the resource</LI>
+<LI><CODE>IPP_NOT_AUTHORIZED</CODE> - You not authorized to access the
+ resource</LI>
+<LI><CODE>IPP_NOT_POSSIBLE</CODE> - The requested operation cannot be
+ completed</LI>
+<LI><CODE>IPP_TIMEOUT</CODE> - A timeout occurred</LI>
+<LI><CODE>IPP_NOT_FOUND</CODE> - The resource was not found</LI>
+<LI><CODE>IPP_GONE</CODE> - The resource has gone away</LI>
+<LI><CODE>IPP_REQUEST_ENTITY</CODE> - The request was too large</LI>
+<LI><CODE>IPP_REQUEST_VALUE</CODE> - The request contained a value that
+ was unknown to the server</LI>
+<LI><CODE>IPP_DOCUMENT_FORMAT</CODE> - The document format is not
+ supported by the server</LI>
+<LI><CODE>IPP_ATTRIBUTES</CODE> - Required attributes are missing</LI>
+<LI><CODE>IPP_URI_SCHEME</CODE> - The URI scheme is not supported</LI>
+<LI><CODE>IPP_CHARSET</CODE> - The charset is not supported</LI>
+<LI><CODE>IPP_CONFLICT</CODE> - One or more attributes conflict</LI>
+<LI><CODE>IPP_COMPRESSION_NOT_SUPPORTED</CODE> - The specified
+ compression is not supported</LI>
+<LI><CODE>IPP_COMPRESSION_ERROR</CODE> - The compressed data contained
+ an error</LI>
+<LI><CODE>IPP_DOCUMENT_FORMAT_ERROR</CODE> - The document data contained
+ an error in it</LI>
+<LI><CODE>IPP_DOCUMENT_ACCESS_ERROR</CODE> - The remote document could
+ not be accessed</LI>
+<LI><CODE>IPP_INTERNAL_ERROR</CODE> - The server encountered an internal
+ error</LI>
+<LI><CODE>IPP_OPERATION_NOT_SUPPORTED</CODE> - The requested operation
+ is not supported</LI>
+<LI><CODE>IPP_SERVICE_UNAVAILABLE</CODE> - The requested service is
+ unavailable</LI>
+<LI><CODE>IPP_VERSION_NOT_SUPPORTED</CODE> - The IPP request version is
+ not supported</LI>
+<LI><CODE>IPP_DEVICE_ERROR</CODE> - The output device encountered an
+ error</LI>
+<LI><CODE>IPP_TEMPORARY_ERROR</CODE> - A temporary error occurred</LI>
+<LI><CODE>IPP_NOT_ACCEPTING</CODE> - The destination is not accepting
+ jobs</LI>
+<LI><CODE>IPP_PRINTER_BUSY</CODE> - The destination is busy</LI>
+<LI><CODE>IPP_ERROR_JOB_CANCELLED</CODE> - The requested job has been
+ cancelled</LI>
+<LI><CODE>IPP_MULTIPLE_JOBS_NOT_SUPPORTED</CODE> - The server does not
+ support multiple jobs</LI>
+</UL>
+<H2><A NAME="8_4">PPD Constants</A></H2>
+<H3><A NAME="8_4_1">PPD Format Version</A></H3>
+<P>The <CODE>PPD_VERSION</CODE> constant defines a floating point number
+ representing the newest format version that is supported by CUPS,
+ currently 4.3.</P>
+<H3><A NAME="8_4_2">PPD User-Interface Types</A></H3>
+<P>Each printer option has a type associated with it:</P>
+<UL>
+<LI><CODE>PPD_UI_BOOLEAN</CODE> - The user can turn this option on or
+ off</LI>
+<LI><CODE>PPD_UI_PICKONE</CODE> - The user can choose one option value
+ to use.</LI>
+<LI><CODE>PPD_UI_PICKMANY</CODE> - The user can choose zero or more
+ option values.</LI>
+</UL>
+<H3><A NAME="8_4_3">PPD Sections</A></H3>
+<P>Some options must be output before others, or in different sections
+ of the output document. The <CODE>ppd_section_t</CODE> enumeration
+ defines which section the option must be output in:</P>
+<UL>
+<LI><CODE>PPD_ORDER_ANY</CODE> - The option can be output in any of the
+ document, page, or prolog sections of the document</LI>
+<LI><CODE>PPD_ORDER_DOCUMENT</CODE> - The option must be output in the
+ DocumentSetup section of the document</LI>
+<LI><CODE>PPD_ORDER_EXIT</CODE> - The option must be output before the
+ document</LI>
+<LI><CODE>PPD_ORDER_JCL</CODE> - The option must be output in the job
+ control section of the document</LI>
+<LI><CODE>PPD_ORDER_PAGE</CODE> - The option must be output in the
+ PageSetup section of the document</LI>
+<LI><CODE>PPD_ORDER_PROLOG</CODE> - The option must be output in the
+ Prolog section of the document</LI>
+</UL>
+<H3><A NAME="8_4_4">PPD Colorspaces</A></H3>
+<P>Each printer has a default colorspace:</P>
+<UL>
+<LI><CODE>PPD_CS_CMYK</CODE> - The printer uses CMYK colors by default</LI>
+<LI><CODE>PPD_CS_CMY</CODE> - The printer uses CMY colors by default</LI>
+<LI><CODE>PPD_CS_GRAY</CODE> - The printer uses grayscale by default</LI>
+<LI><CODE>PPD_CS_RGB</CODE> - The printer uses RGB colors by default</LI>
+<LI><CODE>PPD_CS_RGBK</CODE> - The printer uses RGBK colors by default</LI>
+<LI><CODE>PPD_CS_N</CODE> - The printer uses a DeviceN colorspace by
+ default</LI>
+</UL>
+<H2><A NAME="8_5">Raster Constants</A></H2>
+<H3><A NAME="8_5_1">Raster Sync Words</A></H3>
+<P>The <CODE>CUPS_RASTER_SYNC</CODE> and <CODE>CUPS_RASTER_REVSYNC</CODE>
+ constants define the standard sync words at the beginning of each CUPS
+ raster file.</P>
+<H3><A NAME="8_5_2">Raster Stream Modes</A></H3>
+<P>The <CODE>CUPS_RASTER_READ</CODE> and <CODE>CUPS_RASTER_WRITE</CODE>
+ constants are used with the<A HREF="#cupsRasterOpen"> <CODE>
+cupsRasterOpen()</CODE></A> function to specify a stream for reading or
+ writing.</P>
+<H3><A NAME="8_5_3">Raster Boolean Constants</A></H3>
+<P>The <CODE>CUPS_FALSE</CODE> and <CODE>CUPS_TRUE</CODE> constants
+ represent boolean values in the page header.</P>
+<H3><A NAME="8_5_4">Raster Jog Values</A></H3>
+<P>The <CODE>cups_jog_t</CODE> enumeration defines constants for the Jog
+ page device dictionary variable:</P>
+<UL>
+<LI><CODE>CUPS_JOG_NONE</CODE> - Do no jogging</LI>
+<LI><CODE>CUPS_JOG_FILE</CODE> - Jog pages after each file</LI>
+<LI><CODE>CUPS_JOG_JOB</CODE> - Jog pages after each job</LI>
+<LI><CODE>CUPS_JOG_SET</CODE> - Jog pages after each set of jobs</LI>
+</UL>
+<H3><A NAME="8_5_5">Raster Orientation Values</A></H3>
+<P>The <CODE>cups_orient_t</CODE> enumeration defines constants for the
+ Orientation page device dictionary variable:</P>
+<UL>
+<LI><CODE>CUPS_ORIENT_0</CODE> - Portrait orientation</LI>
+<LI><CODE>CUPS_ORIENT_90</CODE> - Landscape orientation</LI>
+<LI><CODE>CUPS_ORIENT_180</CODE> - Reverse-portrait orientation</LI>
+<LI><CODE>CUPS_ORIENT_270</CODE> - Reverse-landscape orientation</LI>
+</UL>
+<H3><A NAME="8_5_6">Raster CutMedia Values</A></H3>
+<P>The <CODE>cups_cut_t</CODE> enumeration defines constants for the
+ CutMedia page device dictionary variable:</P>
+<UL>
+<LI><CODE>CUPS_CUT_NONE</CODE> - Do no jogging</LI>
+<LI><CODE>CUPS_CUT_FILE</CODE> - Cut pages after each file</LI>
+<LI><CODE>CUPS_CUT_JOB</CODE> - Cut pages after each job</LI>
+<LI><CODE>CUPS_CUT_SET</CODE> - Cut pages after each set of jobs</LI>
+<LI><CODE>CUPS_CUT_PAGE</CODE> - Cut each page</LI>
+</UL>
+<H3><A NAME="8_5_7">Raster AdvanceMedia Values</A></H3>
+<P>The <CODE>cups_advance_t</CODE> enumeration defines constants for the
+ AdvanceMedia page device dictionary variable:</P>
+<UL>
+<LI><CODE>CUPS_ADVANCE_NONE</CODE> - Do no jogging</LI>
+<LI><CODE>CUPS_ADVANCE_FILE</CODE> - Advance media after each file</LI>
+<LI><CODE>CUPS_ADVANCE_JOB</CODE> - Advance media after each job</LI>
+<LI><CODE>CUPS_ADVANCE_SET</CODE> - Advance media after each set of jobs</LI>
+<LI><CODE>CUPS_ADVANCE_PAGE</CODE> - Advance media for each page</LI>
+</UL>
+<H3><A NAME="8_5_8">Raster LeadingEdge Values</A></H3>
+<P>The <CODE>cups_edge_t</CODE> enumeration defines constants for the
+ LeadingEdge page device dictionary variable:</P>
+<UL>
+<LI><CODE>CUPS_EDGE_TOP</CODE> - The top of the media is the leading
+ edge</LI>
+<LI><CODE>CUPS_EDGE_RIGHT</CODE> - The right of the media is the leading
+ edge</LI>
+<LI><CODE>CUPS_EDGE_BOTTOM</CODE> - The bottom of the media is the
+ leading edge</LI>
+<LI><CODE>CUPS_EDGE_LEFT</CODE> - The left of the media is the leading
+ edge</LI>
+</UL>
+<H3><A NAME="8_5_9">Raster Color Order Values</A></H3>
+<P>The <CODE>cups_order_t</CODE> enumeration defines the possible color
+ value orderings:</P>
+<UL>
+<LI><CODE>CUPS_ORDER_CHUNKED</CODE> - CMYK&nbsp;CMYK&nbsp;CMYK</LI>
+<LI><CODE>CUPS_ORDER_BANDED</CODE> - CCC&nbsp;MMM&nbsp;YYY&nbsp;KKK</LI>
+<LI><CODE>CUPS_ORDER_PLANAR</CODE> - CCC&nbsp;...&nbsp;MMM&nbsp;...&nbsp;YYY&nbsp;...&nbsp;KKK&nbsp;...</LI>
+</UL>
+<H3><A NAME="8_5_10">Raster Colorspace Values</A></H3>
+<P>The <CODE>cups_cspace_t</CODE> enumeration defines the possible
+ colorspaces:</P>
+<UL>
+<LI><CODE>CUPS_CSPACE_W</CODE> - White (luminance)</LI>
+<LI><CODE>CUPS_CSPACE_RGB</CODE> - Red, green, blue</LI>
+<LI><CODE>CUPS_CSPACE_RGBA</CODE> - Red, green, blue, alpha</LI>
+<LI><CODE>CUPS_CSPACE_K</CODE> - Black</LI>
+<LI><CODE>CUPS_CSPACE_CMY</CODE> - Cyan, magenta, yellow</LI>
+<LI><CODE>CUPS_CSPACE_YMC</CODE> - Yellow, magenta, cyan</LI>
+<LI><CODE>CUPS_CSPACE_CMYK</CODE> - Cyan, magenta, yellow, black</LI>
+<LI><CODE>CUPS_CSPACE_YMCK</CODE> - Yellow, magenta, cyan, black</LI>
+<LI><CODE>CUPS_CSPACE_KCMY</CODE> - Black, cyan, magenta, yellow</LI>
+<LI><CODE>CUPS_CSPACE_KCMYcm</CODE> - Black, cyan, magenta, yellow,
+ light cyan, light magenta</LI>
+<LI><CODE>CUPS_CSPACE_GMCK</CODE> - Metallic yellow (gold), metallic
+ magenta, metallic cyan, black</LI>
+<LI><CODE>CUPS_CSPACE_GMCS</CODE> - Metallic yellow (gold), metallic
+ magenta, metallic cyan, metallic grey (silver)</LI>
+<LI><CODE>CUPS_CSPACE_WHITE</CODE> - White pigment (black as white
+ pigment)</LI>
+<LI><CODE>CUPS_CSPACE_GOLD</CODE> - Gold foil (black as gold foil)</LI>
+<LI><CODE>CUPS_CSPACE_SILVER</CODE> - Silver foil (black as silver foil)</LI>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="STRUCTURES">C - Structures</A></H1>
+<P>This appendix describes all of the structures that are defined by the
+ CUPS API.</P>
+<H2><A NAME="9_1">CUPS Structures</A></H2>
+<H3><A NAME="cups_dest_t">CUPS Destinations</A></H3>
+<P>The CUPS destination structure (<CODE>cups_dest_t</CODE>) contains
+ information on a specific destination or instance:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>name</TD><TD>char *</TD><TD>The name of the printer or class.</TD>
+</TR>
+<TR><TD>instance</TD><TD>char *</TD><TD>The instance of the printer or
+ class; NULL for the primary instance.</TD></TR>
+<TR><TD>is_default</TD><TD>int</TD><TD>1 if the destination is set as
+ the default, 0 otherwise.</TD></TR>
+<TR><TD>num_options</TD><TD>int</TD><TD>The number of options associated
+ with this destination.</TD></TR>
+<TR><TD>options</TD><TD><A HREF="#cups_option_t">cups_option_t *</A></TD><TD>
+The options associated with this destination.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="cups_job_t">CUPS Jobs</A></H3>
+<P>The CUPS job structure (<CODE>cups_job_t</CODE>) contains information
+ on a specific job:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>id</TD><TD>int</TD><TD>The job ID for this job.</TD></TR>
+<TR><TD>dest</TD><TD>char *</TD><TD>The destination for this job
+ (printer or class name).</TD></TR>
+<TR><TD>title</TD><TD>char *</TD><TD>The job-name for this job (title).</TD>
+</TR>
+<TR><TD>user</TD><TD>char *</TD><TD>The job-originating-user-name for
+ this job (username).</TD></TR>
+<TR><TD>format</TD><TD>char *</TD><TD>The document-format for this job
+ (MIME type string).</TD></TR>
+<TR><TD>state</TD><TD>ipp_jstate</TD><TD>The current state of the job.</TD>
+</TR>
+<TR><TD>size</TD><TD>int</TD><TD>The size of this job in kilobytes.</TD></TR>
+<TR><TD>priority</TD><TD>int</TD><TD>The priority of this job from 1 to
+ 100 (50 is normal).</TD></TR>
+<TR><TD>completed_time</TD><TD>time_t</TD><TD>The time the job was
+ completed, or 0 if not yet completed.</TD></TR>
+<TR><TD>creation_time</TD><TD>time_t</TD><TD>The time the job was
+ queued.</TD></TR>
+<TR><TD>processing_time</TD><TD>time_t</TD><TD>The time the job started
+ printing.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="cups_lang_t">CUPS Messages</A></H3>
+<P>The CUPS messages structure (<CODE>cups_lang_t</CODE>) contains the
+ character set, locale name, and messages array:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>next</TD><TD>cups_lang_t *</TD><TD>Pointer to the next messages
+ structure in memory.</TD></TR>
+<TR><TD>used</TD><TD>int</TD><TD>The number of active users of this
+ messages structure.</TD></TR>
+<TR><TD>encoding</TD><TD>cups_encoding_t</TD><TD>The character encoding
+ of the message strings.</TD></TR>
+<TR><TD>language</TD><TD>char [16]</TD><TD>The language/locale name.</TD>
+</TR>
+<TR><TD>messages</TD><TD>char *[]</TD><TD>The array of message strings.</TD>
+</TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="cups_option_t">CUPS Options</A></H3>
+<P>The CUPS option structure (<CODE>cups_option_t</CODE>) contains the
+ option name and string value:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>name</TD><TD>char *</TD><TD>The name of the option.</TD></TR>
+<TR><TD>value</TD><TD>char *</TD><TD>The string value of the option.</TD>
+</TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="9_2">Networking Structures</A></H2>
+<H3><A NAME="http_t">HTTP State</A></H3>
+<P>The HTTP state structure (<CODE>http_t</CODE>) contains the current
+ state of a HTTP request or response:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>fd</TD><TD>int</TD><TD>The socket for the HTTP connection.</TD></TR>
+<TR><TD>blocking</TD><TD>int</TD><TD>1 if the HTTP functions should
+ block, 0 if not.</TD></TR>
+<TR><TD>error</TD><TD>int</TD><TD>The last OS error that occurred on the
+ socket.</TD></TR>
+<TR><TD>activity</TD><TD>time_t</TD><TD>The last time the HTTP
+ connection was used.</TD></TR>
+<TR><TD>state</TD><TD>http_state_t</TD><TD>The current HTTP
+ request/response state.</TD></TR>
+<TR><TD>status</TD><TD>int</TD><TD>The last HTTP status seen.</TD></TR>
+<TR><TD>version</TD><TD>http_version_t</TD><TD>The HTTP protocol version
+ in use.</TD></TR>
+<TR><TD>keep_alive</TD><TD>http_keep_alive_t</TD><TD>Whether or not to
+ use Keep-Alive</TD></TR>
+<TR><TD>hostaddr</TD><TD>struct sockaddr_in</TD><TD>The IPv4 address of
+ the HTTP server.</TD></TR>
+<TR><TD>hostname</TD><TD>char []</TD><TD>The hostname of the HTTP
+ server.</TD></TR>
+<TR><TD>fields</TD><TD>char [][]</TD><TD>The string values of all HTTP
+ request/response fields.</TD></TR>
+<TR><TD>data</TD><TD>char *</TD><TD>Current byte in data buffer.</TD></TR>
+<TR><TD>data_encoding</TD><TD>http_encoding_t</TD><TD>The transfer
+ encoding for the request/response.</TD></TR>
+<TR><TD>data_remaining</TD><TD>int</TD><TD>The number of bytes remaining
+ in the current request, response, or chunk.</TD></TR>
+<TR><TD>used</TD><TD>int</TD><TD>The number of bytes that are used in
+ the buffer.</TD></TR>
+<TR><TD>buffer</TD><TD>char []</TD><TD>The read/write buffer.</TD></TR>
+<TR><TD>auth_type</TD><TD>int</TD><TD>The type of authentication in use.</TD>
+</TR>
+<TR><TD>md5_state</TD><TD>md5_state_t</TD><TD>The current MD5 digest
+ state.</TD></TR>
+<TR><TD>nonce</TD><TD>char []</TD><TD>The nonce value for Digest
+ authentication.</TD></TR>
+<TR><TD>nonce_count</TD><TD>int</TD><TD>The nonce count value.</TD></TR>
+<TR><TD>tls</TD><TD>void *</TD><TD>A pointer to private encryption data.</TD>
+</TR>
+<TR><TD>encryption</TD><TD>http_encryption_t</TD><TD>The current
+ encryption mode.</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="ipp_t">IPP State</A></H3>
+<P>The IPP state structure (<CODE>ipp_t</CODE>) contains the current
+ state of a IPP request or response:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD></TD><TD></TD><TD></TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="9_3">Raster Structures</A></H2>
+<H3><A NAME="cups_raster_header_t">Raster Page Header</A></H3>
+<P>The raster page header (<CODE>cups_raster_header_t</CODE>) consists
+ of the PostScript page device dictionary for the page:
+<CENTER>
+<TABLE BORDER="1" WIDTH="90%">
+<TR><TH>Member</TH><TH>Type</TH><TH>Description</TH></TR>
+<TR><TD>MediaClass</TD><TD>char[64]</TD><TD>The media class name</TD></TR>
+<TR><TD>MediaColor</TD><TD>char[64]</TD><TD>The media color name</TD></TR>
+<TR><TD>MediaType</TD><TD>char[64]</TD><TD>The media type name</TD></TR>
+<TR><TD>OutputType</TD><TD>char[64]</TD><TD>The output type name</TD></TR>
+<TR><TD>AdvanceDistance</TD><TD>unsigned</TD><TD>The distance to advance
+ the media in points</TD></TR>
+<TR><TD>AdvanceMedia</TD><TD>cups_adv_t</TD><TD>When to advance the
+ media</TD></TR>
+<TR><TD>Collate</TD><TD>cups_bool_t</TD><TD>Whether or not to produce
+ collated copies</TD></TR>
+<TR><TD>CutMedia</TD><TD>cups_cut_t</TD><TD>When to cut the media</TD></TR>
+<TR><TD>Duplex</TD><TD>cups_bool_t</TD><TD>Whether or not to print on
+ both sides of the paper</TD></TR>
+<TR><TD>HWResolution</TD><TD>unsigned[2]</TD><TD>The resolution of the
+ page image in pixels per inch; the HWResolution[0] represents the
+ horizontal resolution and HWResolution[1] represents the vertical
+ resolution</TD></TR>
+<TR><TD>ImagingBoundingBox</TD><TD>unsigned[4]</TD><TD>The bounding box
+ for the page in points; the elements represent the left, bottom, right,
+ and top coordinates of the imaged area (if 0 then the whole page is
+ imaged)</TD></TR>
+<TR><TD>InsertSheet</TD><TD>cups_bool_t</TD><TD>Whether or not to insert
+ a sheet before this page</TD></TR>
+<TR><TD>Jog</TD><TD>cups_jog_t</TD><TD>When to jog copies of the page</TD>
+</TR>
+<TR><TD>LeadingEdge</TD><TD>cups_edge_t</TD><TD>The leading edge of the
+ page</TD></TR>
+<TR><TD>Margins</TD><TD>unsigned[2]</TD><TD>The lower-lefthand margin of
+ the page in points</TD></TR>
+<TR><TD>ManualFeed</TD><TD>cups_bool_t</TD><TD>Whether or not to
+ manually feed the page</TD></TR>
+<TR><TD>MediaPosition</TD><TD>unsigned</TD><TD>The input slot number to
+ use</TD></TR>
+<TR><TD>MediaWeight</TD><TD>unsigned</TD><TD>The weight of the output
+ media in grams/m<SUP>2</SUP></TD></TR>
+<TR><TD>MirrorPrint</TD><TD>cups_bool_t</TD><TD>Whether or not to mirror
+ the print</TD></TR>
+<TR><TD>NegativePrint</TD><TD>cups_bool_t</TD><TD>Whether or not to
+ invert the print</TD></TR>
+<TR><TD>NumCopies</TD><TD>unsigned</TD><TD>The number of copies to
+ produce</TD></TR>
+<TR><TD>Orientation</TD><TD>cups_orient_t</TD><TD>The orientation of the
+ page image</TD></TR>
+<TR><TD>OutputFaceUp</TD><TD>cups_bool_t</TD><TD>Whether or not to
+ output the page face up</TD></TR>
+<TR><TD>PageSize</TD><TD>unsigned[2]</TD><TD>The width and height of the
+ page in points</TD></TR>
+<TR><TD>Separations</TD><TD>cups_bool_t</TD><TD>Whether or not to output
+ separations</TD></TR>
+<TR><TD>TraySwitch</TD><TD>cups_bool_t</TD><TD>Whether or not to
+ automatically switch trays for the requested media size/type</TD></TR>
+<TR><TD>Tumble</TD><TD>cups_bool_t</TD><TD>Whether or not to rotate the
+ back side of the page</TD></TR>
+<TR><TD>cupsWidth</TD><TD>unsigned</TD><TD>The width of the page image
+ in pixels</TD></TR>
+<TR><TD>cupsHeight</TD><TD>unsigned</TD><TD>The height of the page image
+ in pixels</TD></TR>
+<TR><TD>cupsMediaType</TD><TD>unsigned</TD><TD>The device-specific media
+ type code</TD></TR>
+<TR><TD>cupsBitsPerColor</TD><TD>unsigned</TD><TD>The number of bits per
+ color</TD></TR>
+<TR><TD>cupsBitsPerPixel</TD><TD>unsigned</TD><TD>The number of bits per
+ pixel</TD></TR>
+<TR><TD>cupsBytesPerLine</TD><TD>unsigned</TD><TD>The number of bytes
+ per line of image data</TD></TR>
+<TR><TD>cupsColorOrder</TD><TD>cups_order_t</TD><TD>The order of color
+ values</TD></TR>
+<TR><TD>cupsColorSpace</TD><TD>cups_cspace_t</TD><TD>The type of color
+ values</TD></TR>
+<TR><TD>cupsCompression</TD><TD>unsigned</TD><TD>The device-specific
+ compression code</TD></TR>
+<TR><TD>cupsRowCount</TD><TD>unsigned</TD><TD>The device-specific row
+ count</TD></TR>
+<TR><TD>cupsRowFeed</TD><TD>unsigned</TD><TD>The device-specific row
+ feed</TD></TR>
+<TR><TD>cupsRowStep</TD><TD>unsigned</TD><TD>The device-specific row
+ step</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H1 ALIGN="RIGHT"><A NAME="FUNCTIONS">D - Functions</A></H1>
+<P>This appendix provides a reference for all of the CUPS API functions.
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsAddOption">cupsAddOption()</A></H2>
+<H3><A NAME="10_1_1">Usage</A></H3>
+<PRE>
+int
+cupsAddOption(const char *name,
+              const char *value,
+              int num_options,
+	      cups_option_t **options);
+</PRE>
+<H3><A NAME="10_1_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>name</TD><TD>The name of the option.</TD></TR>
+<TR><TD>value</TD><TD>The value of the option.</TD></TR>
+<TR><TD>num_options</TD><TD>Number of options currently in the array.</TD>
+</TR>
+<TR><TD>options</TD><TD>Pointer to the options array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_1_3">Returns</A></H3>
+<P>The new number of options.</P>
+<H3><A NAME="10_1_4">Description</A></H3>
+<P><CODE>cupsAddOption()</CODE> adds an option to the specified array.</P>
+<H3><A NAME="10_1_5">Example</A></H3>
+<PRE>
+#include &lt;cups.h&gt;
+
+...
+
+/* Declare the options array */
+int           num_options;
+<A HREF="#cups_option_t">cups_option_t</A> *options;
+
+/* Initialize the options array */
+num_options = 0;
+options     = (cups_option_t *)0;
+
+/* Add options using cupsAddOption() */
+num_options = cupsAddOption(&quot;media&quot;, &quot;letter&quot;, num_options, &amp;options);
+num_options = cupsAddOption(&quot;resolution&quot;, &quot;300dpi&quot;, num_options, &amp;options);
+</PRE>
+<H3><A NAME="10_1_6">See Also</A></H3>
+<A HREF="#cupsFreeOptions"> <CODE>cupsFreeOptions()</CODE></A>,<A HREF="#cupsGetOption">
+ <CODE>cupsGetOption()</CODE></A>,<A HREF="#cupsParseOptions"> <CODE>
+cupsParseOptions()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="cupsCancelJob">cupsCancelJob()</A></H2>
+<H3><A NAME="10_2_1">Usage</A></H3>
+<PRE>
+int
+cupsCancelJob(const char *dest,
+              int job);
+</PRE>
+<H3><A NAME="10_2_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>dest</TD><TD>Printer or class name</TD></TR>
+<TR><TD>job</TD><TD>Job ID</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_2_3">Returns</A></H3>
+<P>1 on success, 0 on failure. On failure the error can be found by
+ calling<A HREF="#cupsLastError"> <CODE>cupsLastError()</CODE></A>.</P>
+<H3><A NAME="10_2_4">Description</A></H3>
+<P><CODE>cupsCancelJob()</CODE> cancels the specifies job.</P>
+<H3><A NAME="10_2_5">Example</A></H3>
+<PRE>
+#include &lt;cups.h&gt;
+
+cupsCancelJob(&quot;LaserJet&quot;, 1);
+</PRE>
+<H3><A NAME="10_2_6">See Also</A></H3>
+<P><A HREF="#cupsLastError"> <CODE>cupsLastError()</CODE></A>,<A HREF="#cupsPrintFile">
+ <CODE>cupsPrintFile()</CODE></A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsDoFileRequest">cupsDoFileRequest()</A></H2>
+<H3><A NAME="10_3_1">Usage</A></H3>
+<PRE>
+ipp_t *
+cupsDoFileRequest(http_t *http,
+                  ipp_t *request,
+                  const char *resource,
+		  const char *filename);
+</PRE>
+<H3><A NAME="10_3_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>HTTP connection to server.</TD></TR>
+<TR><TD>request</TD><TD>IPP request data.</TD></TR>
+<TR><TD>resource</TD><TD>HTTP resource name for POST.</TD></TR>
+<TR><TD>filename</TD><TD>File to send with POST request (<CODE>NULL</CODE>
+ pointer if none.)</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_3_3">Returns</A></H3>
+<P>IPP response data or <CODE>NULL</CODE> if the request fails. On
+ failure the error can be found by calling<A HREF="#cupsLastError"> <CODE>
+cupsLastError()</CODE></A>.</P>
+<H3><A NAME="10_3_4">Description</A></H3>
+<P><CODE>cupsDoFileRequest()</CODE> does a HTTP POST request and
+ provides the IPP request and optionally the contents of a file to the
+ IPP server. It also handles resubmitting the request and performing
+ password authentication as needed.</P>
+<H3><A NAME="10_3_5">Example</A></H3>
+<PRE>
+#include &lt;cups.h&gt;
+
+<A HREF="#http_t">http_t</A>      *http;
+<A HREF="#cups_lang_t">cups_lang_t</A> *language;
+<A HREF="#ipp_t">ipp_t</A>       *request;
+ipp_t       *response;
+
+...
+
+/* Get the default language */
+language = <A HREF="#cupsLangDefault">cupsLangDefault()</A>;
+
+/* Create a new IPP request */
+request  = <A HREF="#ippNew">ippNew()</A>;
+
+request-&gt;request.op.operation_id = IPP_PRINT_FILE;
+request-&gt;request.op.request_id   = 1;
+
+/* Add required attributes */
+<A HREF="#ippAddString">ippAddString</A>(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+             &quot;attributes-charset&quot;, NULL, <A HREF="#cupsLangEncoding">cupsLangEncoding</A>(language));
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+             &quot;attributes-natural-language&quot;, NULL,
+             language != NULL ? language-&gt;language : &quot;C&quot;);
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, &quot;printer-uri&quot;,
+             NULL, &quot;ipp://hostname/resource&quot;);
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, &quot;requesting-user-name&quot;,
+             NULL, <A HREF="#cupsUser">cupsUser()</A>);
+
+/* Do the request... */
+response = cupsDoFileRequest(http, request, &quot;/resource&quot;, &quot;filename.txt&quot;);
+</PRE>
+<H3><A NAME="10_3_6">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> <CODE>cupsLangDefault()</CODE></A>,<A HREF="#cupsLangEncoding">
+ <CODE>cupsLangEncoding()</CODE></A>,<A HREF="#cupsUser"> <CODE>
+cupsUser()</CODE></A>,<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+,<A HREF="#ippAddString"> <CODE>ippAddString()</CODE></A>,<A HREF="#ippNew">
+ <CODE>ippNew()</CODE></A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsDoRequest">cupsDoRequest()</A></H2>
+<H3><A NAME="10_4_1">Usage</A></H3>
+<PRE>
+ipp_t *
+cupsDoRequest(http_t *http,
+              ipp_t *request,
+              const char *resource);
+</PRE>
+<H3><A NAME="10_4_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>HTTP connection to server.</TD></TR>
+<TR><TD>request</TD><TD>IPP request data.</TD></TR>
+<TR><TD>resource</TD><TD>HTTP resource name for POST.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_4_3">Returns</A></H3>
+<P>IPP response data or <CODE>NULL</CODE> if the request fails. On
+ failure the error can be found by calling<A HREF="#cupsLastError"> <CODE>
+cupsLastError()</CODE></A>.</P>
+<H3><A NAME="10_4_4">Description</A></H3>
+<P><CODE>cupsDoRequest()</CODE> does a HTTP POST request and provides
+ the IPP request to the IPP server. It also handles resubmitting the
+ request and performing password authentication as needed.</P>
+<H3><A NAME="10_4_5">Example</A></H3>
+<PRE>
+#include &lt;cups.h&gt;
+
+<A HREF="#http_t">http_t</A>      *http;
+<A HREF="#cups_lang_t">cups_lang_t</A> *language;
+<A HREF="#ipp_t">ipp_t</A>       *request;
+ipp_t       *response;
+
+...
+
+/* Get the default language */
+language = <A HREF="#cupsLangDefault">cupsLangDefault()</A>;
+
+/* Create a new IPP request */
+request  = <A HREF="#ippNew">ippNew()</A>;
+
+request-&gt;request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+request-&gt;request.op.request_id   = 1;
+
+/* Add required attributes */
+<A HREF="#ippAddString">ippAddString</A>(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+             &quot;attributes-charset&quot;, NULL, <A HREF="#cupsLangEncoding">cupsLangEncoding</A>(language));
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+             &quot;attributes-natural-language&quot;, NULL,
+             language != NULL ? language-&gt;language : &quot;C&quot;);
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, &quot;printer-uri&quot;,
+             NULL, &quot;ipp://hostname/resource&quot;);
+
+/* Do the request... */
+response = cupsDoRequest(http, request, &quot;/resource&quot;);
+</PRE>
+<H3><A NAME="10_4_6">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> <CODE>cupsLangDefault()</CODE></A>,<A HREF="#cupsLangEncoding">
+ <CODE>cupsLangEncoding()</CODE></A>,<A HREF="#cupsUser"> <CODE>
+cupsUser()</CODE></A>,<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+,<A HREF="#ippAddString"> <CODE>ippAddString()</CODE></A>,<A HREF="#ippNew">
+ <CODE>ippNew()</CODE></A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsFreeOptions">cupsFreeOptions()</A></H2>
+<H3><A NAME="10_5_1">Usage</A></H3>
+<PRE>
+void
+cupsFreeOptions(int num_options,
+                cups_option_t *options);
+
+</PRE>
+<H3><A NAME="10_5_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>num_options</TD><TD>Number of options in array.</TD></TR>
+<TR><TD>options</TD><TD>Pointer to options array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_5_3">Description</A></H3>
+<P><CODE>cupsFreeOptions()</CODE> frees all memory associated with the
+ option array specified.</P>
+<H3><A NAME="10_5_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+cupsFreeOptions(num_options, options);
+</PRE>
+<H3><A NAME="10_5_5">See Also</A></H3>
+<P><A HREF="#cupsAddOption"> cupsAddOption()</A>,<A HREF="#cupsGetOption">
+ cupsGetOption()</A>,<A HREF="#cupsMarkOptions"> cupsMarkOptions()</A>,<A
+HREF="#cupsParseOptions"> cupsParseOptions()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsGetClasses">cupsGetClasses()</A></H2>
+<H3><A NAME="10_6_1">Usage</A></H3>
+<PRE>
+int
+cupsGetClasses(char ***classes);
+</PRE>
+<H3><A NAME="10_6_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>classes</TD><TD>Pointer to character pointer array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_6_3">Returns</A></H3>
+<P>The number of printer classes available.</P>
+<H3><A NAME="10_6_4">Description</A></H3>
+<P><CODE>cupsGetClasses()</CODE> gets a list of the available printer
+ classes. The returned array should be freed using the <CODE>free()</CODE>
+ when it is no longer needed.</P>
+<H3><A NAME="10_6_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int  i;
+int  num_classes;
+char **classes;
+
+...
+
+num_classes = cupsGetClasses(
+
+...
+
+if (num_classes &gt; 0)
+{
+  for (i = 0; i &lt;num_classes; i ++)
+    free(classes[i]);
+
+  free(classes);
+}
+</PRE>
+<H3><A NAME="10_6_6">See Also</A></H3>
+<P><A HREF="#cupsGetDefault"> cupsGetDefault(),<A HREF="#cupsGetPrinters">
+ cupsGetPrinters()
+<!-- NEW PAGE -->
+</A></A></P>
+<H2><A NAME="cupsGetDefault">cupsGetDefault()</A></H2>
+<H3><A NAME="10_7_1">Usage</A></H3>
+<PRE>
+const char *
+cupsGetDefault(void);
+</PRE>
+<H3><A NAME="10_7_2">Returns</A></H3>
+<P>A pointer to the default destination.</P>
+<H3><A NAME="10_7_3">Description</A></H3>
+<P><CODE>cupsGetDefault()</CODE> gets the default destination printer or
+ class. The default destination is stored in a static string and will be
+ overwritten (usually with the same value) after each call.</P>
+<H3><A NAME="10_7_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+printf(&quot;The default destination is %s\n&quot;, cupsGetDefault());
+</PRE>
+<H3><A NAME="10_7_5">See Also</A></H3>
+<P><A HREF="#cupsGetClasses"> cupsGetClasses(),<A HREF="#cupsGetPrinters">
+ cupsGetPrinters()
+<!-- NEW PAGE -->
+</A></A></P>
+<H2><A NAME="cupsGetOption">cupsGetOption()</A></H2>
+<H3><A NAME="10_8_1">Usage</A></H3>
+<PRE>
+const char *
+cupsGetOption(const char *name,
+              int num_options,
+              cups_option_t *options);
+</PRE>
+<H3><A NAME="10_8_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>name</TD><TD>The name of the option.</TD></TR>
+<TR><TD>num_options</TD><TD>The number of options in the array.</TD></TR>
+<TR><TD>options</TD><TD>The options array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_8_3">Returns</A></H3>
+<P>A pointer to the option values or <CODE>NULL</CODE> if the option is
+ not defined.</P>
+<H3><A NAME="10_8_4">Description</A></H3>
+<P><CODE>cupsGetOption()</CODE> returns the first occurrence of the
+ named option. If the option is not included in the options array then a
+ <CODE>NULL</CODE> pointer is returned.</P>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+const char    *media;
+
+...
+
+media = cupsGetOption(&quot;media&quot;, num_options, options);
+</PRE>
+<H3><A NAME="10_8_5">See Also</A></H3>
+<P><A HREF="#cupsAddOption"> cupsAddOption()</A>,<A HREF="#cupsFreeOptions">
+ cupsFreeOptions()</A>,<A HREF="#cupsMarkOptions"> cupsMarkOptions()</A>
+,<A HREF="#cupsParseOptions"> cupsParseOptions()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsGetPassword">cupsGetPassword()</A></H2>
+<H3><A NAME="10_9_1">Usage</A></H3>
+<PRE>
+const char *
+cupsGetPassword(const char *prompt);
+</PRE>
+<H3><A NAME="10_9_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>prompt</TD><TD>The prompt to display to the user.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_9_3">Returns</A></H3>
+<P>A pointer to the password that was entered or <CODE>NULL</CODE> if no
+ password was entered.</P>
+<H3><A NAME="10_9_4">Description</A></H3>
+<P><CODE>cupsGetPassword()</CODE> displays the prompt string and asks
+ the user for a password. The password text is not echoed to the user.</P>
+<H3><A NAME="10_9_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+char *password;
+
+...
+
+password = cupsGetPassword(&quot;Please enter a password:&quot;);
+</PRE>
+<H3><A NAME="10_9_6">See Also</A></H3>
+<P><A HREF="#cupsServer"> cupsServer()</A>,<A HREF="#cupsSetPasswordCB">
+ cupsSetPasswordCB()</A>,<A HREF="#cupsSetServer"> cupsSetServer()</A>,<A
+HREF="#cupsSetUser"> cupsSetUser()</A>,<A HREF="#cupsUser"> cupsUser()</A>
+<!-- NEW PAGE -->
+
+</P>
+<H2><A NAME="cupsGetPPD">cupsGetPPD()</A></H2>
+<H3><A NAME="10_10_1">Usage</A></H3>
+<PRE>
+const char *
+cupsGetPPD(const char *printer);
+</PRE>
+<H3><A NAME="10_10_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>printer</TD><TD>The name of the printer.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_10_3">Returns</A></H3>
+<P>The name of a temporary file containing the PPD file or <CODE>NULL</CODE>
+ if the printer cannot be located or does not have a PPD file.</P>
+<H3><A NAME="10_10_4">Description</A></H3>
+<P><CODE>cupsGetPPD()</CODE> gets a copy of the PPD file for the named
+ printer. The printer name can be of the form &quot;printer&quot; or
+ &quot;printer@hostname&quot;.</P>
+<P>You should remove (unlink) the PPD file after you are done using it.
+ The filename is stored in a static buffer and will be overwritten with
+ each call to <CODE>cupsGetPPD()</CODE>.</P>
+<H3><A NAME="10_10_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+char *ppd;
+
+...
+
+ppd = cupsGetPPD(&quot;printer@hostname&quot;);
+
+...
+
+unlink(ppd);
+</PRE>
+
+<!-- NEW PAGE -->
+<H2><A NAME="cupsGetPrinters">cupsGetPrinters()</A></H2>
+<H3><A NAME="10_11_1">Usage</A></H3>
+<PRE>
+int
+cupsGetPrinters(char ***printers);
+</PRE>
+<H3><A NAME="10_11_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>printers</TD><TD>Pointer to character pointer array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_11_3">Returns</A></H3>
+<P>The number of printer printers available.</P>
+<H3><A NAME="10_11_4">Description</A></H3>
+<P><CODE>cupsGetPrinters()</CODE> gets a list of the available printers.
+ The returned array should be freed using the <CODE>free()</CODE> when
+ it is no longer needed.</P>
+<H3><A NAME="10_11_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int  i;
+int  num_printers;
+char **printers;
+
+...
+
+num_printers = cupsGetPrinters(
+
+...
+
+if (num_printers &gt; 0)
+{
+  for (i = 0; i &lt;num_printers; i ++)
+    free(printers[i]);
+
+  free(printers);
+}
+</PRE>
+<H3><A NAME="10_11_6">See Also</A></H3>
+<P><A HREF="#cupsGetClasses"> cupsGetClasses(),<A HREF="#cupsGetDefault">
+ cupsGetDefault()
+<!-- NEW PAGE -->
+</A></A></P>
+<H2><A NAME="cupsLangDefault">cupsLangDefault()</A></H2>
+<H3><A NAME="10_12_1">Usage</A></H3>
+<PRE>
+const char *
+cupsLangDefault(void);
+</PRE>
+<H3><A NAME="10_12_2">Returns</A></H3>
+<P>A pointer to the default language structure.</P>
+<H3><A NAME="10_12_3">Description</A></H3>
+<P><CODE>cupsLangDefault()</CODE> returns a language structure for the
+ default language. The default language is defined by the <CODE>LANG</CODE>
+ environment variable. If the specified language cannot be located then
+ the POSIX (English) locale is used.</P>
+<P>Call <CODE>cupsLangFree()</CODE> to free any memory associated with
+ the language structure when you are done.</P>
+<H3><A NAME="10_12_4">Example</A></H3>
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+...
+
+language = cupsLangDefault();
+
+...
+
+cupsLangFree(language);
+</PRE>
+<H3><A NAME="10_12_5">See Also</A></H3>
+<P><A HREF="#cupsLangEncoding"> cupsLangEncoding()</A>,<A HREF="#cupsLangFlush">
+ cupsLangFlush()</A>,<A HREF="#cupsLangFree"> cupsLangFree()</A>,<A HREF="#cupsLangGet">
+ cupsLangGet()</A>,<A HREF="#cupsLangString"> cupsLangString()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsLangEncoding">cupsLangEncoding()</A></H2>
+<H3><A NAME="10_13_1">Usage</A></H3>
+<PRE>
+char *
+cupsLangEncoding(cups_lang_t *language);
+</PRE>
+<H3><A NAME="10_13_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>language</TD><TD>The language structure.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_13_3">Returns</A></H3>
+<P>A pointer to the encoding string.</P>
+<H3><A NAME="10_13_4">Description</A></H3>
+<P><CODE>cupsLangEncoding()</CODE> returns the language encoding used
+ for the specified language, e.g. &quot;iso-8859-1&quot;, &quot;utf-8&quot;, etc.</P>
+<H3><A NAME="10_13_5">Example</A></H3>
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+char        *encoding;
+...
+
+language = cupsLangDefault();
+encoding = cupsLangEncoding(language);
+...
+
+cupsLangFree(language);
+</PRE>
+<H3><A NAME="10_13_6">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> cupsLangDefault()</A>,<A HREF="#cupsLangFlush">
+ cupsLangFlush()</A>,<A HREF="#cupsLangFree"> cupsLangFree()</A>,<A HREF="#cupsLangGet">
+ cupsLangGet()</A>,<A HREF="#cupsLangString"> cupsLangString()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsLangFlush">cupsLangFlush()</A></H2>
+<H3><A NAME="10_14_1">Usage</A></H3>
+<PRE>
+void
+cupsLangFlush(void);
+</PRE>
+<H3><A NAME="10_14_2">Description</A></H3>
+<P><CODE>cupsLangFlush()</CODE> frees all language structures that have
+ been allocated.</P>
+<H3><A NAME="10_14_3">Example</A></H3>
+<PRE>
+#include &lt;cups/language.h&gt;
+
+...
+
+cupsLangFlush();
+</PRE>
+<H3><A NAME="10_14_4">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> cupsLangDefault()</A>,<A HREF="#cupsLangEncoding">
+ cupsLangEncoding()</A>,<A HREF="#cupsLangFree"> cupsLangFree()</A>,<A HREF="#cupsLangGet">
+ cupsLangGet()</A>,<A HREF="#cupsLangString"> cupsLangString()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsLangFree">cupsLangFree()</A></H2>
+<H3><A NAME="10_15_1">Usage</A></H3>
+<PRE>
+void
+cupsLangFree(cups_lang_t *language);
+</PRE>
+<H3><A NAME="10_15_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>language</TD><TD>The language structure to free.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_15_3">Description</A></H3>
+<P><CODE>cupsLangFree()</CODE> frees the specified language structure.</P>
+<H3><A NAME="10_15_4">Example</A></H3>
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+...
+
+cupsLangFree(language);
+</PRE>
+<H3><A NAME="10_15_5">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> cupsLangDefault()</A>,<A HREF="#cupsLangEncoding">
+ cupsLangEncoding()</A>,<A HREF="#cupsLangFlush"> cupsLangFlush()</A>,<A HREF="#cupsLangGet">
+ cupsLangGet()</A>,<A HREF="#cupsLangString"> cupsLangString()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsLangGet">cupsLangGet()</A></H2>
+<H3><A NAME="10_16_1">Usage</A></H3>
+<PRE>
+cups_lang_t *
+cupsLangGet(const char *name);
+</PRE>
+<H3><A NAME="10_16_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>name</TD><TD>The name of the locale.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_16_3">Returns</A></H3>
+<P>A pointer to a language structure.</P>
+<H3><A NAME="10_16_4">Description</A></H3>
+<P><CODE>cupsLangGet()</CODE> returns a language structure for the
+ specified locale. If the locale is not defined then the POSIX (English)
+ locale is substituted.</P>
+<H3><A NAME="10_16_5">Example</A></H3>
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+
+...
+
+language = cupsLangGet(&quot;fr&quot;);
+
+...
+
+cupsLangFree(language);
+</PRE>
+<H3><A NAME="10_16_6">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> cupsLangDefault()</A>,<A HREF="#cupsLangEncoding">
+ cupsLangEncoding()</A>,<A HREF="#cupsLangFlush"> cupsLangFlush()</A>,<A HREF="#cupsLangFree">
+ cupsLangFree()</A>,<A HREF="#cupsLangString"> cupsLangString()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsLangString">cupsLangString()</A></H2>
+<H3><A NAME="10_17_1">Usage</A></H3>
+<PRE>
+char *
+cupsLangString(cups_lang_t *language,
+               int         message);
+</PRE>
+<H3><A NAME="10_17_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>language</TD><TD>The language to query.</TD></TR>
+<TR><TD>message</TD><TD>The message number.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_17_3">Returns</A></H3>
+<P>A pointer to the message string or <CODE>NULL</CODE> if the message
+ is not defined.</P>
+<H3><A NAME="10_17_4">Description</A></H3>
+<P><CODE>cupsLangString()</CODE> returns a pointer to the specified
+ message string in the specified language.</P>
+<H3><A NAME="10_17_5">Example</A></H3>
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+char        *s;
+...
+
+language = cupsLangGet(&quot;fr&quot;);
+
+s = cupsLangString(language, CUPS_MSG_YES);
+
+...
+
+cupsLangFree(language);
+</PRE>
+<H3><A NAME="10_17_6">See Also</A></H3>
+<P><A HREF="#cupsLangDefault"> cupsLangDefault()</A>,<A HREF="#cupsLangEncoding">
+ cupsLangEncoding()</A>,<A HREF="#cupsLangFlush"> cupsLangFlush()</A>,<A HREF="#cupsLangFree">
+ cupsLangFree()</A>,<A HREF="#cupsLangGet"> cupsLangGet()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsLastError">cupsLastError()</A></H2>
+<H3><A NAME="10_18_1">Usage</A></H3>
+<PRE>
+ipp_status_t
+cupsLastError(void);
+</PRE>
+<H3><A NAME="10_18_2">Returns</A></H3>
+<P>An enumeration containing the last IPP error.</P>
+<H3><A NAME="10_18_3">Description</A></H3>
+<P><CODE>cupsLastError()</CODE> returns the last IPP error that
+ occurred. If no error occurred then it will return <CODE>IPP_OK</CODE>
+ or <CODE>IPP_OK_CONFLICT</CODE>.</P>
+<H3><A NAME="10_18_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+ipp_status_t status;
+
+...
+
+status = cupsLastError();
+</PRE>
+<H3><A NAME="10_18_5">See Also</A></H3>
+<P><A HREF="#cupsCancelJob"> cupsCancelJob()</A>,<A HREF="#cupsPrintFile">
+ cupsPrintFile()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsMarkOptions">cupsMarkOptions()</A></H2>
+<H3><A NAME="10_19_1">Usage</A></H3>
+<PRE>
+int
+cupsMarkOptions(ppd_file_t *ppd,
+                int num_options,
+                cups_option_t *options);
+</PRE>
+<H3><A NAME="10_19_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file to mark.</TD></TR>
+<TR><TD>num_options</TD><TD>The number of options in the options array.</TD>
+</TR>
+<TR><TD>options</TD><TD>A pointer to the options array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_19_3">Returns</A></H3>
+<P>The number of conflicts found.</P>
+<H3><A NAME="10_19_4">Description</A></H3>
+<P><CODE>cupsMarkOptions()</CODE> marks options in the PPD file. It also
+ handles mapping of IPP option names and values to PPD option names.</P>
+<H3><A NAME="10_19_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+ppd_file_t    *ppd;
+
+...
+
+cupsMarkOptions(ppd, num_options, options);
+</PRE>
+<H3><A NAME="10_19_6">See Also</A></H3>
+<P><A HREF="#cupsAddOption"> cupsAddOption()</A>,<A HREF="#cupsFreeOptions">
+ cupsFreeOptions()</A>,<A HREF="#cupsGetOption"> cupsGetOption()</A>,<A HREF="#cupsParseOptions">
+ cupsParseOptions()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsParseOptions">cupsParseOptions()</A></H2>
+<H3><A NAME="10_20_1">Usage</A></H3>
+<PRE>
+int
+cupsParseOptions(const char *arg,
+                 int num_options,
+                 cups_option_t **options);
+</PRE>
+<H3><A NAME="10_20_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>arg</TD><TD>The string containing one or more options.</TD></TR>
+<TR><TD>num_options</TD><TD>The number of options in the options array.</TD>
+</TR>
+<TR><TD>options</TD><TD>A pointer to the options array pointer.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_20_3">Returns</A></H3>
+<P>The new number of options in the array.</P>
+<H3><A NAME="10_20_4">Description</A></H3>
+<P><CODE>cupsParseOptions()</CODE> parses the specifies string for one
+ or more options of the form &quot;name=value&quot;, &quot;name&quot;, or &quot;noname&quot;. It can
+ be called multiple times to combine the options from several strings.</P>
+<H3><A NAME="10_20_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+num_options = 0;
+options     = (cups_option_t *)0;
+num_options = cupsParseOptions(argv[5], num_options, &amp;options);
+</PRE>
+<H3><A NAME="10_20_6">See Also</A></H3>
+<P><A HREF="#cupsAddOption"> cupsAddOption()</A>,<A HREF="#cupsFreeOptions">
+ cupsFreeOptions()</A>,<A HREF="#cupsGetOption"> cupsGetOption()</A>,<A HREF="#cupsMarkOptions">
+ cupsMarkOptions()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsPrintFile">cupsPrintFile()</A></H2>
+<H3><A NAME="10_21_1">Usage</A></H3>
+<PRE>
+int
+cupsPrintFile(const char    *printer,
+              const char    *filename,
+              const char    *title,
+	      int           num_options,
+	      cups_option_t *options);
+</PRE>
+<H3><A NAME="10_21_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>printer</TD><TD>The printer or class to print to.</TD></TR>
+<TR><TD>filename</TD><TD>The file to print.</TD></TR>
+<TR><TD>title</TD><TD>The job title.</TD></TR>
+<TR><TD>num_options</TD><TD>The number of options in the options array.</TD>
+</TR>
+<TR><TD>options</TD><TD>A pointer to the options array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_21_3">Returns</A></H3>
+<P>The new job ID number or 0 on error.</P>
+<H3><A NAME="10_21_4">Description</A></H3>
+<P><CODE>cupsPrintFile()</CODE> sends a file to the specified printer or
+ class for printing. If the job cannot be printed the error code can be
+ found by calling <CODE>cupsLastError()</CODE>.</P>
+<H3><A NAME="10_21_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+int           jobid;
+
+...
+
+jobid = cupsPrintFile(&quot;printer@hostname&quot;, &quot;filename.ps&quot;, &quot;Job Title&quot;,
+                      num_options, options);
+</PRE>
+<H3><A NAME="10_21_6">See Also</A></H3>
+<P><A HREF="#cupsCancelJob"> cupsCancelJob()</A>,<A HREF="#cupsLastError">
+ cupsLastError()</A>,<A HREF="#cupsPrintFiles"> cupsPrintFiles()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsPrintFiles">cupsPrintFiles()</A></H2>
+<H3><A NAME="10_22_1">Usage</A></H3>
+<PRE>
+int
+cupsPrintFiles(const char    *printer,
+               int           num_files,
+               const char    **files,
+               const char    *title,
+	       int           num_options,
+	       cups_option_t *options);
+</PRE>
+<H3><A NAME="10_22_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>printer</TD><TD>The printer or class to print to.</TD></TR>
+<TR><TD>num_files</TD><TD>The number of files to print.</TD></TR>
+<TR><TD>files</TD><TD>The files to print.</TD></TR>
+<TR><TD>title</TD><TD>The job title.</TD></TR>
+<TR><TD>num_options</TD><TD>The number of options in the options array.</TD>
+</TR>
+<TR><TD>options</TD><TD>A pointer to the options array.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_22_3">Returns</A></H3>
+<P>The new job ID number or 0 on error.</P>
+<H3><A NAME="10_22_4">Description</A></H3>
+<P><CODE>cupsPrintFiles()</CODE> sends multiple files to the specified
+ printer or class for printing. If the job cannot be printed the error
+ code can be found by calling <CODE>cupsLastError()</CODE>.</P>
+<H3><A NAME="10_22_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_files;
+const char    *files[100];
+int           num_options;
+cups_option_t *options;
+int           jobid;
+
+...
+
+jobid = cupsPrintFiles(&quot;printer@hostname&quot;, num_files, files,
+                       &quot;Job Title&quot;, num_options, options);
+</PRE>
+<H3><A NAME="10_22_6">See Also</A></H3>
+<P><A HREF="#cupsCancelJob"> cupsCancelJob()</A>,<A HREF="#cupsLastError">
+ cupsLastError()</A>,<A HREF="#cupsPrintFile"> cupsPrintFile()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsRasterClose">cupsRasterClose()</A></H2>
+<H3><A NAME="10_23_1">Usage</A></H3>
+<PRE>
+void
+cupsRasterClose(cups_raster_t *ras);
+</PRE>
+<H3><A NAME="10_23_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ras</TD><TD>The raster stream to close.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_23_3">Description</A></H3>
+<P><CODE>cupsRasterClose()</CODE> closes the specified raster stream.</P>
+<H3><A NAME="10_23_4">Example</A></H3>
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+cups_raster_t *ras;
+
+...
+
+cupsRasterClose(ras);
+</PRE>
+<H3><A NAME="10_23_5">See Also</A></H3>
+<P><A HREF="#cupsRasterOpen"> cupsRasterOpen()</A>,<A HREF="#cupsRasterReadHeader">
+ cupsRasterReadHeader()</A>,<A HREF="#cupsRasterReadPixels">
+ cupsRasterReadPixels()</A>,<A HREF="#cupsRasterWriteHeader">
+ cupsRasterWriteHeader()</A>,<A HREF="#cupsRasterWritePixels">
+ cupsRasterWritePixels()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsRasterOpen">cupsRasterOpen()</A></H2>
+<H3><A NAME="10_24_1">Usage</A></H3>
+<PRE>
+cups_raster_t *
+cupsRasterOpen(int fd,
+               cups_mode_t mode);
+</PRE>
+<H3><A NAME="10_24_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>fd</TD><TD>The file descriptor to use.</TD></TR>
+<TR><TD>mode</TD><TD>The mode to use; <CODE>CUPS_RASTER_READ</CODE> or <CODE>
+CUPS_RASTER_WRITE</CODE>.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_24_3">Returns</A></H3>
+<P>A pointer to a raster stream or <CODE>NULL</CODE> if there was an
+ error.</P>
+<H3><A NAME="10_24_4">Description</A></H3>
+<P><CODE>cupsRasterOpen()</CODE> opens a raster stream for reading or
+ writing.</P>
+<H3><A NAME="10_24_5">Example</A></H3>
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+cups_raster_t *ras;
+
+...
+
+ras = cupsRasterOpen(0, CUPS_RASTER_READ);
+</PRE>
+<H3><A NAME="10_24_6">See Also</A></H3>
+<P><A HREF="#cupsRasterClose"> cupsRasterClose()</A>,<A HREF="#cupsRasterReadHeader">
+ cupsRasterReadHeader()</A>,<A HREF="#cupsRasterReadPixels">
+ cupsRasterReadPixels()</A>,<A HREF="#cupsRasterWriteHeader">
+ cupsRasterWriteHeader()</A>,<A HREF="#cupsRasterWritePixels">
+ cupsRasterWritePixels()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsRasterReadHeader">cupsRasterReadHeader()</A></H2>
+<H3><A NAME="10_25_1">Usage</A></H3>
+<PRE>
+unsigned
+cupsRasterReadHeader(cups_raster_t *ras,
+                     cups_page_header_t *header);
+</PRE>
+<H3><A NAME="10_25_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ras</TD><TD>The raster stream to read from.</TD></TR>
+<TR><TD>header</TD><TD>A pointer to a page header structure to read
+ into.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_25_3">Returns</A></H3>
+<P>1 on success, 0 on EOF or error.</P>
+<H3><A NAME="10_25_4">Description</A></H3>
+<P><CODE>cupsRasterReadHeader()</CODE> reads a page header from the
+ specified raster stream.</P>
+<H3><A NAME="10_25_5">Example</A></H3>
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+while (cupsRasterReadHeader(ras, &amp;header))
+{
+  ...
+
+  for (line = 0; line &lt; header.cupsHeight; line ++)
+  {
+    cupsRasterReadPixels(ras, pixels, header.cupsBytesPerLine);
+
+    ...
+  }
+}
+</PRE>
+<H3><A NAME="10_25_6">See Also</A></H3>
+<P><A HREF="#cupsRasterClose"> cupsRasterClose()</A>,<A HREF="#cupsRasterOpen">
+ cupsRasterOpen()</A>,<A HREF="#cupsRasterReadPixels">
+ cupsRasterReadPixels()</A>,<A HREF="#cupsRasterWriteHeader">
+ cupsRasterWriteHeader()</A>,<A HREF="#cupsRasterWritePixels">
+ cupsRasterWritePixels()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsRasterReadPixels">cupsRasterReadPixels()</A></H2>
+<H3><A NAME="10_26_1">Usage</A></H3>
+<PRE>
+unsigned
+cupsRasterReadPixels(cups_raster_t *ras,
+                     unsigned char *pixels,
+		     unsigned length);
+</PRE>
+<H3><A NAME="10_26_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ras</TD><TD>The raster stream to read from.</TD></TR>
+<TR><TD>pixels</TD><TD>The pointer to a pixel buffer.</TD></TR>
+<TR><TD>length</TD><TD>The number of bytes of pixel data to read.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_26_3">Returns</A></H3>
+<P>The number of bytes read or 0 on EOF or error.</P>
+<H3><A NAME="10_26_4">Description</A></H3>
+<P><CODE>cupsRasterReadPixels()</CODE> reads pixel data from the
+ specified raster stream.</P>
+<H3><A NAME="10_26_5">Example</A></H3>
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+while (cupsRasterReadHeader(ras, &amp;header))
+{
+  ...
+
+  for (line = 0; line &lt; header.cupsHeight; line ++)
+  {
+    cupsRasterReadPixels(ras, pixels, header.cupsBytesPerLine);
+
+    ...
+  }
+}
+</PRE>
+<H3><A NAME="10_26_6">See Also</A></H3>
+<P><A HREF="#cupsRasterClose"> cupsRasterClose()</A>,<A HREF="#cupsRasterOpen">
+ cupsRasterOpen()</A>,<A HREF="#cupsRasterReadHeader">
+ cupsRasterReadHeader()</A>,<A HREF="#cupsRasterWriteHeader">
+ cupsRasterWriteHeader()</A>,<A HREF="#cupsRasterWritePixels">
+ cupsRasterWritePixels()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsRasterWriteHeader">cupsRasterWriteHeader()</A></H2>
+<H3><A NAME="10_27_1">Usage</A></H3>
+<PRE>
+unsigned
+cupsRasterWriteHeader(cups_raster_t *ras,
+                      cups_page_header_t *header);
+</PRE>
+<H3><A NAME="10_27_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ras</TD><TD>The raster stream to write to.</TD></TR>
+<TR><TD>header</TD><TD>A pointer to the page header to write.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_27_3">Returns</A></H3>
+<P>1 on success, 0 on error.</P>
+<H3><A NAME="10_27_4">Description</A></H3>
+<P><CODE>cupsRasterWriteHeader()</CODE> writes the specified page header
+ to a raster stream.</P>
+<H3><A NAME="10_27_5">Example</A></H3>
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+cupsRasterWriteHeader(ras, &amp;header);
+
+for (line = 0; line &lt; header.cupsHeight; line ++)
+{
+  ...
+
+  cupsRasterWritePixels(ras, pixels, header.cupsBytesPerLine);
+}
+</PRE>
+<H3><A NAME="10_27_6">See Also</A></H3>
+<P><A HREF="#cupsRasterClose"> cupsRasterClose()</A>,<A HREF="#cupsRasterOpen">
+ cupsRasterOpen()</A>,<A HREF="#cupsRasterReadHeader">
+ cupsRasterReadHeader()</A>,<A HREF="#cupsRasterReadPixels">
+ cupsRasterReadPixels()</A>,<A HREF="#cupsRasterWritePixels">
+ cupsRasterWritePixels()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsRasterWritePixels">cupsRasterWritePixels()</A></H2>
+<H3><A NAME="10_28_1">Usage</A></H3>
+<PRE>
+unsigned
+cupsRasterWritePixels(cups_raster_t *ras,
+                      unsigned char *pixels,
+		      unsigned length);
+</PRE>
+<H3><A NAME="10_28_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ras</TD><TD>The raster stream to write to.</TD></TR>
+<TR><TD>pixels</TD><TD>The pixel data to write.</TD></TR>
+<TR><TD>length</TD><TD>The number of bytes to write.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_28_3">Returns</A></H3>
+<P>The number of bytes written.</P>
+<H3><A NAME="10_28_4">Description</A></H3>
+<P><CODE>cupsRasterWritePixels()</CODE> writes the specified pixel data
+ to a raster stream.</P>
+<H3><A NAME="10_28_5">Example</A></H3>
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+cupsRasterWriteHeader(ras, &amp;header);
+
+for (line = 0; line &lt; header.cupsHeight; line ++)
+{
+  ...
+
+  cupsRasterWritePixels(ras, pixels, header.cupsBytesPerLine);
+}
+</PRE>
+<H3><A NAME="10_28_6">See Also</A></H3>
+<P><A HREF="#cupsRasterClose"> cupsRasterClose()</A>,<A HREF="#cupsRasterOpen">
+ cupsRasterOpen()</A>,<A HREF="#cupsRasterReadHeader">
+ cupsRasterReadHeader()</A>,<A HREF="#cupsRasterReadPixels">
+ cupsRasterReadPixels()</A>,<A HREF="#cupsRasterWriteHeader">
+ cupsRasterWriteHeader()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsServer">cupsServer()</A></H2>
+<H3><A NAME="10_29_1">Usage</A></H3>
+<PRE>
+const char *
+cupsServer(void);
+</PRE>
+<H3><A NAME="10_29_2">Returns</A></H3>
+<P>A pointer to the default server name.</P>
+<H3><A NAME="10_29_3">Description</A></H3>
+<P><CODE>cupsServer()</CODE> returns a pointer to the default server
+ name. The server name is stored in a static location and will be
+ overwritten with every call to <CODE>cupsServer()</CODE></P>
+<P>The default server is determined from the following locations:</P>
+<OL>
+<LI>The <CODE>CUPS_SERVER</CODE> environment variable,</LI>
+<LI>The <CODE>ServerName</CODE> directive in the<VAR> client.conf</VAR>
+ file,</LI>
+<LI>The default host, &quot;localhost&quot;.</LI>
+</OL>
+<H3><A NAME="10_29_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *server;
+
+server = cupsServer();
+</PRE>
+<H3><A NAME="10_29_5">See Also</A></H3>
+<P><A HREF="#cupsGetPassword"> cupsGetPassword()</A>,<A HREF="#cupsSetPasswordCB">
+ cupsSetPasswordCB()</A>,<A HREF="#cupsSetServer"> cupsSetServer()</A>,<A
+HREF="#cupsSetUser"> cupsSetUser()</A>,<A HREF="#cupsUser"> cupsUser()</A>
+<!-- NEW PAGE -->
+
+</P>
+<H2><A NAME="cupsSetPasswordCB">cupsSetPasswordCB()</A></H2>
+<H3><A NAME="10_30_1">Usage</A></H3>
+<PRE>
+void
+cupsSetPasswordCB(const char *(*cb)(const char *prompt));
+</PRE>
+<H3><A NAME="10_30_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>cb</TD><TD>The password callback function.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_30_3">Description</A></H3>
+<P><CODE>cupsSetPasswordCB()</CODE> sets the callback function to use
+ when asking the user for a password. The callback function must accept
+ a single character string pointer (the prompt string) and return <CODE>
+NULL</CODE> if the user did not enter a password string or a pointer to
+ the password string otherwise.</P>
+<H3><A NAME="10_30_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *
+my_password_cb(const char *prompt)
+{
+  return (getpass(prompt));
+}
+
+...
+
+char *password;
+
+...
+
+cupsSetPasswordCB(my_password_cb);
+password = cupsGetPassword(&quot;Please enter a password:&quot;);
+</PRE>
+<H3><A NAME="10_30_5">See Also</A></H3>
+<P><A HREF="#cupsServer"> cupsServer()</A>,<A HREF="#cupsSetServer">
+ cupsSetServer()</A>,<A HREF="#cupsSetUser"> cupsSetUser()</A>,<A HREF="#cupsUser">
+ cupsUser()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsSetServer">cupsSetServer()</A></H2>
+<H3><A NAME="10_31_1">Usage</A></H3>
+<PRE>
+void
+cupsSetServer(const char *server);
+</PRE>
+<H3><A NAME="10_31_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>server</TD><TD>The default server to use.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_31_3">Description</A></H3>
+<P><CODE>cupsSetServer()</CODE> sets the default server to use for the
+ CUPS API. If the <CODE>server</CODE> argument is <CODE>NULL</CODE>, the
+ default server is used.</P>
+<H3><A NAME="10_31_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+cupsSetServer(&quot;foo.bar.com&quot;);
+</PRE>
+<H3><A NAME="10_31_5">See Also</A></H3>
+<P><A HREF="#cupsServer"> cupsServer()</A>,<A HREF="#cupsSetPasswordCB">
+ cupsSetPasswordCB()</A>,<A HREF="#cupsSetUser"> cupsSetUser()</A>,<A HREF="#cupsUser">
+ cupsUser()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsSetUser">cupsSetUser()</A></H2>
+<H3><A NAME="10_32_1">Usage</A></H3>
+<PRE>
+void
+cupsSetUser(const char *user);
+</PRE>
+<H3><A NAME="10_32_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>user</TD><TD>The user name string to use.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_32_3">Description</A></H3>
+<P><CODE>cupsSetUser()</CODE> sets the default user name for
+ authentication. If the <CODE>user</CODE> argument is <CODE>NULL</CODE>
+ then the current login user is used.</P>
+<H3><A NAME="10_32_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+cupsSetUser(&quot;root&quot;);
+</PRE>
+<H3><A NAME="10_32_5">See Also</A></H3>
+<P><A HREF="#cupsServer"> cupsServer()</A>,<A HREF="#cupsSetPasswordCB">
+ cupsSetPasswordCB()</A>,<A HREF="#cupsSetServer"> cupsSetServer()</A>,<A
+HREF="#cupsUser"> cupsUser()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="cupsTempFile">cupsTempFile()</A></H2>
+<H3><A NAME="10_33_1">Usage</A></H3>
+<PRE>
+char *
+cupsTempFile(char *filename,
+             int length);
+</PRE>
+<H3><A NAME="10_33_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>filename</TD><TD>The character string to hold the temporary
+ filename.</TD></TR>
+<TR><TD>length</TD><TD>The size of the filename string in bytes.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_33_3">Returns</A></H3>
+<P>A pointer to <CODE>filename</CODE>.</P>
+<H3><A NAME="10_33_4">Description</A></H3>
+<P><CODE>cupsTempFile()</CODE> generates a temporary filename for the<VAR>
+ /var/tmp</VAR> directory or the directory specified by the <CODE>TMPDIR</CODE>
+ environment variable.</P>
+<H3><A NAME="10_33_5">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+char filename[256];
+
+cupsTempFile(filename, sizeof(filename));
+</PRE>
+
+<!-- NEW PAGE -->
+<H2><A NAME="cupsUser">cupsUser()</A></H2>
+<H3><A NAME="10_34_1">Usage</A></H3>
+<PRE>
+const char *
+cupsUser(void);
+</PRE>
+<H3><A NAME="10_34_2">Returns</A></H3>
+<P>A pointer to the current username or <CODE>NULL</CODE> if the user ID
+ is undefined.</P>
+<H3><A NAME="10_34_3">Description</A></H3>
+<P><CODE>cupsUser()</CODE> returns the name associated with the current
+ user ID as reported by the <CODE>getuid()</CODE> system call.</P>
+<H3><A NAME="10_34_4">Example</A></H3>
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *user;
+
+user = cupsUser();
+</PRE>
+<H3><A NAME="10_34_5">See Also</A></H3>
+<P><A HREF="#cupsGetPassword"> cupsGetPassword()</A>,<A HREF="#cupsServer">
+ cupsServer()</A>
+<!-- NEW PAGE -->
+</P>
+<H2><A NAME="httpBlocking">httpBlocking()</A></H2>
+<H3><A NAME="10_35_1">Usage</A></H3>
+<PRE>
+void httpBlocking(http_t *http, int blocking)
+</PRE>
+<H3><A NAME="10_35_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>blocking</TD><TD>0 if the connection should be non-blocking, 1
+ if it should be blocking</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_35_3">Description</A></H3>
+<P>The <CODE>httpBlocking()</CODE> function sets the blocking mode for
+ the HTTP connection. By default HTTP connections will block (stop) the
+ client program until data is available or can be sent to the server.</P>
+<H3><A NAME="10_35_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+http = httpConnect(&quot;server&quot;, port);
+httpBlocking(http, 0);
+</PRE>
+<H3><A NAME="10_35_5">See Also</A></H3>
+<A HREF="#httpCheck"> <CODE>httpCheck()</CODE></A>,<A HREF="#httpConnect">
+ <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpCheck">httpCheck()</A></H2>
+<H3><A NAME="10_36_1">Usage</A></H3>
+<PRE>
+int httpCheck(http_t *http);
+</PRE>
+<H3><A NAME="10_36_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_36_3">Returns</A></H3>
+<P>0 if there is no data pending, 1 otherwise.</P>
+<H3><A NAME="10_36_4">Description</A></H3>
+<P>The <CODE>httpCheck()</CODE> function checks to see if there is any
+ data pending on an HTTP connection.</P>
+<H3><A NAME="10_36_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+if (httpCheck(http))
+{
+  ... do something ...
+}
+</PRE>
+<H3><A NAME="10_36_6">See Also</A></H3>
+<A HREF="#httpBlocking"> <CODE>httpBlocking()</CODE></A>,<A HREF="#httpConnect">
+ <CODE>httpConnect()</CODE></A>,<A HREF="#httpGets"> <CODE>httpGets()</CODE>
+</A>,<A HREF="#httpRead"> <CODE>httpRead()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpClearFields">httpClearFields()</A></H2>
+<H3><A NAME="10_37_1">Usage</A></H3>
+<PRE>
+void httpClearFields(http_t *http)
+</PRE>
+<H3><A NAME="10_37_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_37_3">Description</A></H3>
+<P>The <CODE>httpClearFields()</CODE> function clears all HTTP request
+ fields for the HTTP connection.</P>
+<H3><A NAME="10_37_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpClearFields(http);
+</PRE>
+<H3><A NAME="10_37_5">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpGetField">
+ <CODE>httpGetField()</CODE></A>,<A HREF="#httpSetField"> <CODE>
+httpSetField()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpClose">httpClose()</A></H2>
+<H3><A NAME="10_38_1">Usage</A></H3>
+<PRE>
+void httpClose(http_t *http);
+</PRE>
+<H3><A NAME="10_38_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_38_3">Description</A></H3>
+<P>The <CODE>httpClose()</CODE> function closes an active HTTP
+ connection.</P>
+<H3><A NAME="10_38_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpClose(http);
+</PRE>
+<H3><A NAME="10_38_5">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpConnect">httpConnect()</A></H2>
+<H3><A NAME="10_39_1">Usage</A></H3>
+<PRE>
+http_t *httpConnect(const char *hostname, int port);
+</PRE>
+<H3><A NAME="10_39_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>hostname</TD><TD>The name or IP address of the server to connect
+ to</TD></TR>
+<TR><TD>port</TD><TD>The port number to use</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_39_3">Returns</A></H3>
+<P>A pointer to a HTTP connection structure or NULL if the connection
+ could not be made.</P>
+<H3><A NAME="10_39_4">Description</A></H3>
+<P>The <CODE>httpConnect()</CODE> function opens a HTTP connection to
+ the specified server and port.</P>
+<H3><A NAME="10_39_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+http = httpConnect(cupsServer(), ippPort());
+</PRE>
+<H3><A NAME="10_39_6">See Also</A></H3>
+<A HREF="#httpClose"> <CODE>httpClose()</CODE></A>,<A HREF="#httpGet"> <CODE>
+httpGet()</CODE></A>,<A HREF="#httpGets"> <CODE>httpGets()</CODE></A>,<A HREF="#httpPost">
+ <CODE>httpPost()</CODE></A>,<A HREF="#httpRead"> <CODE>httpRead()</CODE>
+</A>,<A HREF="#httpWrite"> <CODE>httpWrite()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpDecode64">httpDecode64()</A></H2>
+<H3><A NAME="10_40_1">Usage</A></H3>
+<PRE>
+char *httpDecode64(char *out, const char *in);
+</PRE>
+<H3><A NAME="10_40_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>out</TD><TD>The output string</TD></TR>
+<TR><TD>in</TD><TD>The input string</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_40_3">Returns</A></H3>
+<P>A pointer to the decoded string.</P>
+<H3><A NAME="10_40_4">Description</A></H3>
+<P>The <CODE>httpDecode64()</CODE> function decodes a base-64 encoded
+ string to the original string.</P>
+<H3><A NAME="10_40_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+char encoded_string[255];
+char original_string[255];
+
+httpDecode64(original_string, encoded_string);
+</PRE>
+<H3><A NAME="10_40_6">See Also</A></H3>
+<A HREF="#httpEncode64"> <CODE>httpEncode64()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpDelete">httpDelete()</A></H2>
+<H3><A NAME="10_41_1">Usage</A></H3>
+<PRE>
+int httpDelete(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_41_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to delete</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_41_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_41_4">Description</A></H3>
+<P>The <CODE>httpDelete()</CODE> function sends a HTTP DELETE request to
+ the server.</P>
+<H3><A NAME="10_41_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpDelete(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_41_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpEncode64">httpEncode64()</A></H2>
+<H3><A NAME="10_42_1">Usage</A></H3>
+<PRE>
+char *httpEncode64(char *out, const char *in);
+</PRE>
+<H3><A NAME="10_42_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>out</TD><TD>The output string</TD></TR>
+<TR><TD>in</TD><TD>The input string</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_42_3">Returns</A></H3>
+<P>A pointer to the encoded string.</P>
+<H3><A NAME="10_42_4">Description</A></H3>
+<P>The <CODE>httpEncode64()</CODE> function decodes a base-64 encoded
+ string to the original string.</P>
+<H3><A NAME="10_42_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+char encoded_string[255];
+char original_string[255];
+
+httpEncode64(encoded_string, original_string);
+</PRE>
+<H3><A NAME="10_42_6">See Also</A></H3>
+<A HREF="#httpDecode64"> <CODE>httpDecode64()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpError">httpError()</A></H2>
+<H3><A NAME="10_43_1">Usage</A></H3>
+<PRE>
+int httpError(http_t *http);
+</PRE>
+<H3><A NAME="10_43_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_43_3">Returns</A></H3>
+<P>The last error that occurred or 0 if no error has occurred.</P>
+<H3><A NAME="10_43_4">Description</A></H3>
+<P>The <CODE>httpError()</CODE> function returns the last error that
+ occurred on the HTTP connection.</P>
+<H3><A NAME="10_43_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+if (httpError(http))
+{
+  ... show an error message ...
+}
+</PRE>
+<H3><A NAME="10_43_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpFlush">httpFlush()</A></H2>
+<H3><A NAME="10_44_1">Usage</A></H3>
+<PRE>
+void httpFlush(http_t *http);
+</PRE>
+<H3><A NAME="10_44_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_44_3">Description</A></H3>
+<P>The <CODE>httpFlush()</CODE> function flushes any remaining data left
+ from a GET or POST operation.</P>
+<H3><A NAME="10_44_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpFlush(http);
+</PRE>
+<H3><A NAME="10_44_5">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpGet">httpGet()</A></H2>
+<H3><A NAME="10_45_1">Usage</A></H3>
+<PRE>
+int httpGet(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_45_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to get</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_45_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_45_4">Description</A></H3>
+<P>The <CODE>httpGet()</CODE> function sends a HTTP GET request to the
+ server.</P>
+<H3><A NAME="10_45_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpGet(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_45_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpGets">httpGets()</A></H2>
+<H3><A NAME="10_46_1">Usage</A></H3>
+<PRE>
+char *httpGets(char *line, int length, http_t *http)
+</PRE>
+<H3><A NAME="10_46_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>line</TD><TD>The string to fill with a line from the HTTP
+ connection</TD></TR>
+<TR><TD>length</TD><TD>The maximum length of the string</TD></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_46_3">Returns</A></H3>
+<P>A pointer to the string or NULL if no line could be retrieved.</P>
+<H3><A NAME="10_46_4">Description</A></H3>
+<P>The <CODE>httpGets()</CODE> function is used to read a request line
+ from the HTTP connection. It is not normally used by a client program.</P>
+<H3><A NAME="10_46_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+char line[1024];
+
+if (httpGets(line, sizeof(line), http))
+{
+  ... process the line ...
+}
+</PRE>
+<H3><A NAME="10_46_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpUpdate">
+ <CODE>httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpGetDateString">httpGetDateString()</A></H2>
+<H3><A NAME="10_47_1">Usage</A></H3>
+<PRE>
+const char *httpGetDateString(time_t time)
+</PRE>
+<H3><A NAME="10_47_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>time</TD><TD>The UNIX date/time value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_47_3">Returns</A></H3>
+<P>A pointer to a static string containing the HTTP date/time string for
+ the specified UNIX time value.</P>
+<H3><A NAME="10_47_4">Description</A></H3>
+<P>The <CODE>httpGetDateString()</CODE> function generates a date/time
+ string suitable for HTTP requests from a UNIX time value.</P>
+<H3><A NAME="10_47_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+puts(httpGetDateString(time(NULL)));
+</PRE>
+<H3><A NAME="10_47_6">See Also</A></H3>
+<A HREF="#httpGetDateTime"> <CODE>httpGetDateTime()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpGetDateTime">httpGetDateTime()</A></H2>
+<H3><A NAME="10_48_1">Usage</A></H3>
+<PRE>
+time_t httpGetDateTime(const char *date)
+</PRE>
+<H3><A NAME="10_48_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>date</TD><TD>The HTTP date/time string</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_48_3">Returns</A></H3>
+<P>A UNIX time value.</P>
+<H3><A NAME="10_48_4">Description</A></H3>
+<P>The <CODE>httpGetDateTime()</CODE> function converts a HTTP date/time
+ string to a UNIX time value.</P>
+<H3><A NAME="10_48_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+printf(&quot;%d\n&quot;, httpGetDateTime(&quot;Fri, 30 June 2000 12:34:56 GMT&quot;));
+</PRE>
+<H3><A NAME="10_48_6">See Also</A></H3>
+<A HREF="#httpGetDateString"> <CODE>httpGetDateString()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpGetField">httpGetField()</A></H2>
+<H3><A NAME="10_49_1">Usage</A></H3>
+<PRE>
+const char *httpGetField(http_t *http, http_field_t field);
+</PRE>
+<H3><A NAME="10_49_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>field</TD><TD>The HTTP field</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_49_3">Returns</A></H3>
+<P>A pointer to the field value string.</P>
+<H3><A NAME="10_49_4">Description</A></H3>
+<P>The <CODE>httpGetField()</CODE> function returns the current value
+ for the specified HTTP field.</P>
+<H3><A NAME="10_49_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpGet(http, &quot;/some/uri&quot;);
+while (httpUpdate(http) == HTTP_CONTINUE);
+
+puts(httpGetField(http, HTTP_FIELD_CONTENT_TYPE));
+</PRE>
+<H3><A NAME="10_49_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpHead">httpHead()</A></H2>
+<H3><A NAME="10_50_1">Usage</A></H3>
+<PRE>
+int httpHead(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_50_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to head</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_50_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_50_4">Description</A></H3>
+<P>The <CODE>httpHead()</CODE> function sends a HTTP HEAD request to the
+ server.</P>
+<H3><A NAME="10_50_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpHead(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_50_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpInitialize">httpInitialize()</A></H2>
+<H3><A NAME="10_51_1">Usage</A></H3>
+<PRE>
+void httpInitialize(void);
+</PRE>
+<H3><A NAME="10_51_2">Description</A></H3>
+<P>The <CODE>httpInitialize()</CODE> function initializes the networking
+ code as needed by the underlying platform. It is called automatically
+ by the <CODE>httpConnect()</CODE> function.</P>
+<H3><A NAME="10_51_3">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+httpInitialize();
+</PRE>
+<H3><A NAME="10_51_4">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpOptions">httpOptions()</A></H2>
+<H3><A NAME="10_52_1">Usage</A></H3>
+<PRE>
+int httpOptions(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_52_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to check for options</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_52_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_52_4">Description</A></H3>
+<P>The <CODE>httpOptions()</CODE> function sends a HTTP OPTIONS request
+ to the server.</P>
+<H3><A NAME="10_52_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpOptions(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_52_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpPost">httpPost()</A></H2>
+<H3><A NAME="10_53_1">Usage</A></H3>
+<PRE>
+int httpPost(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_53_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to post to</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_53_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_53_4">Description</A></H3>
+<P>The <CODE>httpPost()</CODE> function sends a HTTP POST request to the
+ server.</P>
+<H3><A NAME="10_53_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpPost(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_53_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpPrintf">httpPrintf()</A></H2>
+<H3><A NAME="10_54_1">Usage</A></H3>
+<PRE>
+int httpPrintf(http_t *http, const char *format, ...);
+</PRE>
+<H3><A NAME="10_54_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>format</TD><TD>A printf-style format string</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_54_3">Returns</A></H3>
+<P>The number of bytes written.</P>
+<H3><A NAME="10_54_4">Description</A></H3>
+<P>The <CODE>httpPrintf()</CODE> function sends a formatted string to
+ the HTTP connection. It is normally only used by the CUPS API and
+ scheduler.</P>
+<H3><A NAME="10_54_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpPrintf(http, &quot;GET / HTTP/1.1 \r\n&quot;);
+</PRE>
+<H3><A NAME="10_54_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpPut">httpPut()</A></H2>
+<H3><A NAME="10_55_1">Usage</A></H3>
+<PRE>
+int httpPut(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_55_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to put</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_55_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_55_4">Description</A></H3>
+<P>The <CODE>httpPut()</CODE> function sends a HTTP PUT request to the
+ server.</P>
+<H3><A NAME="10_55_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpDelete(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_55_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpRead">httpRead()</A></H2>
+<H3><A NAME="10_56_1">Usage</A></H3>
+<PRE>
+int httpRead(http_t *http, char *buffer, int length);
+</PRE>
+<H3><A NAME="10_56_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>buffer</TD><TD>The buffer to read into</TD></TR>
+<TR><TD>length</TD><TD>The number of bytes to read</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_56_3">Returns</A></H3>
+<P>The number of bytes read or -1 on error.</P>
+<H3><A NAME="10_56_4">Description</A></H3>
+<P>The <CODE>httpRead()</CODE> function reads data from the HTTP
+ connection, possibly the result of a GET or POST request.</P>
+<H3><A NAME="10_56_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+char buffer[1024];
+int  bytes;
+
+httpGet(http, &quot;/&quot;);
+while (httpUpdate(http) != HTTP_CONTINUE);
+while ((bytes = httpRead(http, buffer, sizeof(buffer) - 1)) &gt; 0)
+{
+  buffer[bytes] = '\0';
+  fputs(buffer, stdout);
+}
+</PRE>
+<H3><A NAME="10_56_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpWrite">
+ <CODE>httpWrite()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpReconnect">httpReconnect()</A></H2>
+<H3><A NAME="10_57_1">Usage</A></H3>
+<PRE>
+int httpReconnect(http_t *http);
+</PRE>
+<H3><A NAME="10_57_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_57_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_57_4">Description</A></H3>
+<P>The <CODE>httpReconnect()</CODE> function reconnects to the HTTP
+ server. This is usually done automatically if the HTTP functions detect
+ that the server connection has terminated.</P>
+<H3><A NAME="10_57_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpReconnect(http);
+</PRE>
+<H3><A NAME="10_57_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpSeparate">httpSeparate()</A></H2>
+<H3><A NAME="10_58_1">Usage</A></H3>
+<PRE>
+void httpSeparate(const char *uri, char *method,
+                  char *username, char *host, int *port,
+                  char *resource);
+</PRE>
+<H3><A NAME="10_58_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>uri</TD><TD>The URI to separate</TD></TR>
+<TR><TD>method</TD><TD>The method (scheme) of the URI</TD></TR>
+<TR><TD>username</TD><TD>The username (and password) portion of the URI,
+ if any</TD></TR>
+<TR><TD>host</TD><TD>The hostname portion of the URI, if any</TD></TR>
+<TR><TD>port</TD><TD>The port number for the URI, either as specified or
+ as default for the method/scheme</TD></TR>
+<TR><TD>resource</TD><TD>The resource string, usually a filename on the
+ server</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_58_3">Description</A></H3>
+<P>The <CODE>httpSeparate()</CODE> function separates the specified URI
+ into its component parts. The method, username, hostname, and resource
+ strings should be at least <CODE>HTTP_MAX_URI</CODE> characters long to
+ avoid potential buffer overflow problems.</P>
+<H3><A NAME="10_58_4">Example</A></H3>
+<PRE>
+char uri[HTTP_MAX_URI];
+char method[HTTP_MAX_URI];
+char username[HTTP_MAX_URI];
+char host[HTTP_MAX_URI];
+char resource[HTTP_MAX_URI];
+int port;
+
+httpSeparate(uri, method, username, host, &amp;port, resource);
+</PRE>
+<H3><A NAME="10_58_5">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpSetField">httpSetField()</A></H2>
+<H3><A NAME="10_59_1">Usage</A></H3>
+<PRE>
+void httpSetField(http_t *http, http_field_t field, const char *value);
+</PRE>
+<H3><A NAME="10_59_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>field</TD><TD>The HTTP field</TD></TR>
+<TR><TD>value</TD><TD>The string value for the field</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_59_3">Description</A></H3>
+<P>The <CODE>httpSetField()</CODE> function sets the current value for
+ the specified HTTP field.</P>
+<H3><A NAME="10_59_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpSetField(http, HTTP_FIELD_AUTHORIZATION, &quot;Basic dfdr34453454325&quot;));
+httpGet(http, &quot;/some/uri&quot;);
+while (httpUpdate(http) == HTTP_CONTINUE);
+</PRE>
+<H3><A NAME="10_59_5">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpGetField">
+ <CODE>httpGetField()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpTrace">httpTrace()</A></H2>
+<H3><A NAME="10_60_1">Usage</A></H3>
+<PRE>
+int httpTrace(http_t *http, const char *uri);
+</PRE>
+<H3><A NAME="10_60_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>uri</TD><TD>The URI to trace</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_60_3">Returns</A></H3>
+<P>0 on success, non-zero on failure.</P>
+<H3><A NAME="10_60_4">Description</A></H3>
+<P>The <CODE>httpTrace()</CODE> function sends a HTTP TRACE request to
+ the server.</P>
+<H3><A NAME="10_60_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpTrace(http, &quot;/some/uri&quot;);
+</PRE>
+<H3><A NAME="10_60_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpSetField">
+ <CODE>httpSetField()</CODE></A>,<A HREF="#httpUpdate"> <CODE>
+httpUpdate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpUpdate">httpUpdate()</A></H2>
+<H3><A NAME="10_61_1">Usage</A></H3>
+<PRE>
+http_status_t httpUpdate(http_t *http);
+</PRE>
+<H3><A NAME="10_61_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_61_3">Returns</A></H3>
+<P>The HTTP status of the current request.</P>
+<H3><A NAME="10_61_4">Description</A></H3>
+<P>The <CODE>httpUpdate()</CODE> function updates the current request
+ status. It is used after any DELETE, GET, HEAD, OPTIONS, POST, PUT, or
+ TRACE request to finalize the HTTP request and retrieve the request
+ status.</P>
+<P>Since proxies and the current blocking mode can cause the request to
+ take longer, programs should continue calling <CODE>httpUpdate()</CODE>
+ until the return status is not the constant value <CODE>HTTP_CONTINUE</CODE>
+.</P>
+<H3><A NAME="10_61_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+http_status_t status;
+
+httpGet(http, &quot;/some/uri&quot;);
+while ((status = httpUpdate(http)) == HTTP_CONTINUE);
+printf(&quot;Request status is %d\n&quot;, status);
+</PRE>
+<H3><A NAME="10_61_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpDelete">
+ <CODE>httpDelete()</CODE></A>,<A HREF="#httpGet"> <CODE>httpGet()</CODE>
+</A>,<A HREF="#httpHead"> <CODE>httpHead()</CODE></A>,<A HREF="#httpOptions">
+ <CODE>httpOptions()</CODE></A>,<A HREF="#httpPost"> <CODE>httpPost()</CODE>
+</A>,<A HREF="#httpPut"> <CODE>httpPut()</CODE></A>,<A HREF="#httpTrace">
+ <CODE>httpTrace()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="httpWrite">httpWrite()</A></H2>
+<H3><A NAME="10_62_1">Usage</A></H3>
+<PRE>
+int httpWrite(http_t *http, char *buffer, int length);
+</PRE>
+<H3><A NAME="10_62_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>buffer</TD><TD>The buffer to read into</TD></TR>
+<TR><TD>length</TD><TD>The number of bytes to read</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_62_3">Returns</A></H3>
+<P>The number of bytes read or -1 on error.</P>
+<H3><A NAME="10_62_4">Description</A></H3>
+<P>The <CODE>httpWrite()</CODE> function reads data from the HTTP
+ connection, possibly the result of a GET or POST request.</P>
+<H3><A NAME="10_62_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+FILE *fp;
+char buffer[1024];
+int  bytes;
+
+httpPost(http, &quot;/&quot;);
+
+while ((bytes = fread(buffer, 1, sizeof(buffer), fp)) &gt; 0)
+  httpWrite(http, buffer, bytes);
+
+while (httpUpdate(http) != HTTP_CONTINUE);
+
+while ((bytes = httpRead(http, buffer, sizeof(buffer) - 1)) &gt; 0)
+{
+  buffer[bytes] = '\0';
+  fputs(buffer, stdout);
+}
+</PRE>
+<H3><A NAME="10_62_6">See Also</A></H3>
+<A HREF="#httpConnect"> <CODE>httpConnect()</CODE></A>,<A HREF="#httpRead">
+ <CODE>httpRead()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddBoolean">ippAddBoolean()</A></H2>
+<H3><A NAME="10_63_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddBoolean(ipp_t *ipp, ipp_tag_t group,
+                               const char *name, char value);
+</PRE>
+<H3><A NAME="10_63_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>value</TD><TD>The boolean value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_63_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_63_4">Description</A></H3>
+<P>The <CODE>ippAddBoolean()</CODE> function adds a single boolean
+ attribute value to the specified IPP request.</P>
+<H3><A NAME="10_63_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddBoolean(ipp, IPP_TAG_OPERATION, &quot;my-jobs&quot;, 1);
+</PRE>
+<H3><A NAME="10_63_6">See Also</A></H3>
+<A HREF="#ippAddBooleans"> <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate">
+ <CODE>ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>
+ippAddInteger()</CODE></A>,<A HREF="#ippAddIntegers"> <CODE>
+ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange"> <CODE>ippAddRange()</CODE>
+</A>,<A HREF="#ippAddRanges"> <CODE>ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution">
+ <CODE>ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddBooleans">ippAddBooleans()</A></H2>
+<H3><A NAME="10_64_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddBooleans(ipp_t *ipp, ipp_tag_t group,
+                                const char *name, int num_values,
+                                const char *values);
+</PRE>
+<H3><A NAME="10_64_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>num_values</TD><TD>The number of values</TD></TR>
+<TR><TD>values</TD><TD>The boolean values</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_64_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_64_4">Description</A></H3>
+<P>The <CODE>ippAddBooleans()</CODE> function adds one or more boolean
+ attribute values to the specified IPP request. If the <CODE>values</CODE>
+ pointer is <CODE>NULL</CODE> then an array of <CODE>num_values</CODE>
+ false values is created.</P>
+<H3><A NAME="10_64_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+char values[10];
+
+ippAddBooleans(ipp, IPP_TAG_OPERATION, &quot;some-attribute&quot;, 10, values);
+</PRE>
+<H3><A NAME="10_64_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddDate">
+ <CODE>ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>
+ippAddInteger()</CODE></A>,<A HREF="#ippAddIntegers"> <CODE>
+ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange"> <CODE>ippAddRange()</CODE>
+</A>,<A HREF="#ippAddRanges"> <CODE>ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution">
+ <CODE>ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddDate">ippAddDate()</A></H2>
+<H3><A NAME="10_65_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddDate(ipp_t *ipp, ipp_tag_t group,
+                            const char *name, ipp_uchar_t *value);
+</PRE>
+<H3><A NAME="10_65_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>value</TD><TD>The date value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_65_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_65_4">Description</A></H3>
+<P>The <CODE>ippAddDate()</CODE> function adds a single date-time
+ attribute value to the specified IPP request.</P>
+<H3><A NAME="10_65_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddDate(ipp, IPP_TAG_OPERATION, &quot;some-attribute&quot;, 
+           ippTimeToDate(time(NULL));
+</PRE>
+<H3><A NAME="10_65_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>
+ippAddInteger()</CODE></A>,<A HREF="#ippAddIntegers"> <CODE>
+ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange"> <CODE>ippAddRange()</CODE>
+</A>,<A HREF="#ippAddRanges"> <CODE>ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution">
+ <CODE>ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>,<A HREF="#ippTimeToDate"> <CODE>
+ippTimeToDate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddInteger">ippAddInteger()</A></H2>
+<H3><A NAME="10_66_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddInteger(ipp_t *ipp, ipp_tag_t group,
+                               ipp_tag_t tag, const char *name,
+                               int value);
+</PRE>
+<H3><A NAME="10_66_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>tag</TD><TD>The type of integer value (IPP_TAG_INTEGER or
+ IPP_TAG_ENUM)</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>value</TD><TD>The integer value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_66_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_66_4">Description</A></H3>
+<P>The <CODE>ippAddInteger()</CODE> function adds a single integer
+ attribute value to the specified IPP request.</P>
+<H3><A NAME="10_66_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddInteger(ipp, IPP_TAG_OPERATION, &quot;limit&quot;, 100);
+</PRE>
+<H3><A NAME="10_66_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddIntegers"> <CODE>
+ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange"> <CODE>ippAddRange()</CODE>
+</A>,<A HREF="#ippAddRanges"> <CODE>ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution">
+ <CODE>ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddIntegers">ippAddIntegers()</A></H2>
+<H3><A NAME="10_67_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddIntegers(ipp_t *ipp, ipp_tag_t group,
+                                ipp_tag_t tag, const char *name,
+                                int num_values, const int *values);
+</PRE>
+<H3><A NAME="10_67_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>tag</TD><TD>The type of integer value (IPP_TAG_INTEGER or
+ IPP_TAG_ENUM)</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>num_values</TD><TD>The number of values</TD></TR>
+<TR><TD>values</TD><TD>The integer values</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_67_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_67_4">Description</A></H3>
+<P>The <CODE>ippAddIntegers()</CODE> function adds one or more integer
+ attribute values to the specified IPP request. If the <CODE>values</CODE>
+ pointer is <CODE>NULL</CODE> then an array of <CODE>num_values</CODE> 0
+ values is created.</P>
+<H3><A NAME="10_67_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+int values[100];
+
+ippAddIntegers(ipp, IPP_TAG_OPERATION, &quot;some-attribute&quot;, 100, values);
+</PRE>
+<H3><A NAME="10_67_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddRange"> <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddRanges">
+ <CODE>ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddRange">ippAddRange()</A></H2>
+<H3><A NAME="10_68_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddRange(ipp_t *ipp, ipp_tag_t group,
+                             const char *name, int low,
+                             int high);
+</PRE>
+<H3><A NAME="10_68_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>low</TD><TD>The lower value</TD></TR>
+<TR><TD>high</TD><TD>The higher value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_68_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_68_4">Description</A></H3>
+<P>The <CODE>ippAddRange()</CODE> function adds a single range attribute
+ value to the specified IPP request.</P>
+<H3><A NAME="10_68_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddRange(ipp, IPP_TAG_OPERATION, &quot;page-ranges&quot;, 1, 10);
+</PRE>
+<H3><A NAME="10_68_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRanges">
+ <CODE>ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddRanges">ippAddRanges()</A></H2>
+<H3><A NAME="10_69_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddRanges(ipp_t *ipp, ipp_tag_t group,
+                              const char *name, int num_values,
+                              const int *lows, const int *highs);
+</PRE>
+<H3><A NAME="10_69_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>num_values</TD><TD>The number of range values</TD></TR>
+<TR><TD>lows</TD><TD>The lower values</TD></TR>
+<TR><TD>highs</TD><TD>The higher values</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_69_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_69_4">Description</A></H3>
+<P>The <CODE>ippAddRanges()</CODE> function adds one or more range
+ attribute values to the specified IPP request. If the <CODE>values</CODE>
+ pointer is <CODE>NULL</CODE> then an array of <CODE>num_values</CODE>
+ 0,0 ranges is created.</P>
+<H3><A NAME="10_69_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+int lows[2];
+int highs[2];
+
+ippAddRanges(ipp, IPP_TAG_OPERATION, &quot;page-ranges&quot;, 2, lows, highs);
+</PRE>
+<H3><A NAME="10_69_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange">
+ <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddResolution">ippAddResolution()</A></H2>
+<H3><A NAME="10_70_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddResolution(ipp_t *ipp, ipp_tag_t group,
+                                  const char *name, int xres,
+                                  int yres, ipp_res_t units);
+</PRE>
+<H3><A NAME="10_70_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>xres</TD><TD>The horizontal resolution</TD></TR>
+<TR><TD>yres</TD><TD>The vertical resolution</TD></TR>
+<TR><TD>units</TD><TD>The resolution units</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_70_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_70_4">Description</A></H3>
+<P>The <CODE>ippAddResolution()</CODE> function adds a single resolution
+ attribute value to the specified IPP request.</P>
+<H3><A NAME="10_70_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddBoolean(ipp, IPP_TAG_OPERATION, &quot;printer-resolution&quot;,
+              720, 720, IPP_RES_PER_INCH);
+</PRE>
+<H3><A NAME="10_70_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange">
+ <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddRanges"> <CODE>
+ippAddRanges()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddResolutions">ippAddResolutions()</A></H2>
+<H3><A NAME="10_71_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddResolutions(ipp_t *ipp, ipp_tag_t group,
+                                   const char *name, int num_values,
+                                   const int *xres, const int *yres,
+                                   const ipp_res_t *units);
+</PRE>
+<H3><A NAME="10_71_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>num_values</TD><TD>The number of resolution values</TD></TR>
+<TR><TD>xres</TD><TD>The horizontal resolutions</TD></TR>
+<TR><TD>yres</TD><TD>The vertical resolutions</TD></TR>
+<TR><TD>units</TD><TD>The resolution units</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_71_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_71_4">Description</A></H3>
+<P>The <CODE>ippAddResolutions()</CODE> function adds one or more
+ resolution attribute values to the specified IPP request. If the <CODE>
+values</CODE> pointer is <CODE>NULL</CODE> then an array of <CODE>
+num_values</CODE> 0,0 resolutions is created.</P>
+<H3><A NAME="10_71_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+int xres[5];
+int yres[5];
+ipp_res_t units[5];
+
+ippAddBoolean(ipp, IPP_TAG_OPERATION, &quot;printer-resolutions-supported&quot;,
+              5, xres, yres, units);
+</PRE>
+<H3><A NAME="10_71_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange">
+ <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddRanges"> <CODE>
+ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddSeparator">ippAddSeparator()</A></H2>
+<H3><A NAME="10_72_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddSeparator(ipp_t *ipp);
+</PRE>
+<H3><A NAME="10_72_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_72_3">Returns</A></H3>
+<P>A pointer to the new separator or NULL if the separator could not be
+ created.</P>
+<H3><A NAME="10_72_4">Description</A></H3>
+<P>The <CODE>ippAddSeparator()</CODE> function adds a group separator to
+ the specified IPP request.</P>
+<H3><A NAME="10_72_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddSeparator(ipp);
+</PRE>
+<H3><A NAME="10_72_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange">
+ <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddRanges"> <CODE>
+ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddString">ippAddString()</A></H2>
+<H3><A NAME="10_73_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddString(ipp_t *ipp, ipp_tag_t group,
+                              ipp_tag_t tag, const char *name,
+                              const char *charset, const char *value);
+</PRE>
+<H3><A NAME="10_73_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>tag</TD><TD>The type of string value</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>charset</TD><TD>The character set for the string</TD></TR>
+<TR><TD>value</TD><TD>The string value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_73_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_73_4">Description</A></H3>
+<P>The <CODE>ippAddString()</CODE> function adds a single string
+ attribute value to the specified IPP request. For <CODE>
+IPP_TAG_NAMELANG</CODE> and <CODE>IPP_TAG_TEXTLANG</CODE> strings, the
+ charset value is provided with the string to identify the string
+ encoding used. Otherwise the charset value is ignored.</P>
+<H3><A NAME="10_73_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_NAME, &quot;job-name&quot;,
+             NULL, &quot;abc123&quot;);
+</PRE>
+<H3><A NAME="10_73_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange">
+ <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddRanges"> <CODE>
+ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddStrings"> <CODE>
+ippAddStrings()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippAddStrings">ippAddStrings()</A></H2>
+<H3><A NAME="10_74_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippAddStrings(ipp_t *ipp, ipp_tag_t group,
+                               ipp_tag_t tag, const char *name,
+                               int num_values, const char *charset,
+                               const char **values);
+</PRE>
+<H3><A NAME="10_74_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request</TD></TR>
+<TR><TD>group</TD><TD>The IPP group</TD></TR>
+<TR><TD>tag</TD><TD>The type of string value</TD></TR>
+<TR><TD>name</TD><TD>The name of attribute</TD></TR>
+<TR><TD>num_values</TD><TD>The number of strings</TD></TR>
+<TR><TD>charset</TD><TD>The character set for the strings</TD></TR>
+<TR><TD>values</TD><TD>The string values</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_74_3">Returns</A></H3>
+<P>A pointer to the new attribute or NULL if the attribute could not be
+ created.</P>
+<H3><A NAME="10_74_4">Description</A></H3>
+<P>The <CODE>ippAddStrings()</CODE> function adds one or more string
+ attribute values to the specified IPP request. For <CODE>
+IPP_TAG_NAMELANG</CODE> and <CODE>IPP_TAG_TEXTLANG</CODE> strings, the
+ charset value is provided with the strings to identify the string
+ encoding used. Otherwise the charset value is ignored. If the <CODE>
+values</CODE> pointer is <CODE>NULL</CODE> then an array of <CODE>
+num_values</CODE> NULL strings is created.</P>
+<H3><A NAME="10_74_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+char *values[2] = { &quot;one&quot;, &quot;two&quot; };
+
+ippAddStrings(ipp, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, &quot;attr-name&quot;,
+              2, NULL, values);
+</PRE>
+<H3><A NAME="10_74_6">See Also</A></H3>
+<A HREF="#ippAddBoolean"> <CODE>ippAddBoolean()</CODE></A>,<A HREF="#ippAddBooleans">
+ <CODE>ippAddBooleans()</CODE></A>,<A HREF="#ippAddDate"> <CODE>
+ippAddDate()</CODE></A>,<A HREF="#ippAddInteger"> <CODE>ippAddInteger()</CODE>
+</A>,<A HREF="#ippAddIntegers"> <CODE>ippAddIntegers()</CODE></A>,<A HREF="#ippAddRange">
+ <CODE>ippAddRange()</CODE></A>,<A HREF="#ippAddRanges"> <CODE>
+ippAddRanges()</CODE></A>,<A HREF="#ippAddResolution"> <CODE>
+ippAddResolution()</CODE></A>,<A HREF="#ippAddResolutions"> <CODE>
+ippAddResolutions()</CODE></A>,<A HREF="#ippAddSeparator"> <CODE>
+ippAddSeparator()</CODE></A>,<A HREF="#ippAddString"> <CODE>
+ippAddString()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippDateToTime">ippDateToTime()</A></H2>
+<H3><A NAME="10_75_1">Usage</A></H3>
+<PRE>
+time_t ippDateToTime(const ipp_uchar_t date[11]);
+</PRE>
+<H3><A NAME="10_75_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>date</TD><TD>The IPP date-time value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_75_3">Returns</A></H3>
+<P>A UNIX time value.</P>
+<H3><A NAME="10_75_4">Description</A></H3>
+<P>The <CODE>ippDateToTime()</CODE> function converts an IPP date-time
+ value to a UNIX time value.</P>
+<H3><A NAME="10_75_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_uchar_t date[11];
+
+printf(&quot;UNIX time is %d\n&quot;, ippDateToTime(date));
+</PRE>
+<H3><A NAME="10_75_6">See Also</A></H3>
+<A HREF="#ippTimeToDate"> <CODE>ippTimeToDate()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippDelete">ippDelete()</A></H2>
+<H3><A NAME="10_76_1">Usage</A></H3>
+<PRE>
+void ippDelete(ipp_t *ipp);
+</PRE>
+<H3><A NAME="10_76_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request or response</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_76_3">Description</A></H3>
+<P>The <CODE>ippDelete()</CODE> function deletes all memory used by an
+ IPP request or response.</P>
+<H3><A NAME="10_76_4">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ippDelete(ipp);
+</PRE>
+<H3><A NAME="10_76_5">See Also</A></H3>
+<A HREF="#ippNew"> <CODE>ippNew()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippFindAttribute">ippFindAttribute()</A></H2>
+<H3><A NAME="10_77_1">Usage</A></H3>
+<PRE>
+ipp_attribute_t *ippFindAttribute(ipp_t *ipp, const char *name, ipp_tag_t tag);
+</PRE>
+<H3><A NAME="10_77_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request or response</TD></TR>
+<TR><TD>name</TD><TD>The name of the attribute</TD></TR>
+<TR><TD>tag</TD><TD>The required value tag for the attribute or <CODE>
+IPP_TAG_ZERO</CODE> for any type of value.</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_77_3">Returns</A></H3>
+<P>A pointer to the first occurrence of the requested attribute, or <CODE>
+NULL</CODE> if it was not found.</P>
+<H3><A NAME="10_77_4">Description</A></H3>
+<P><CODE>ippFindAttribute()</CODE> finds the first occurrence of the
+ named attribute. The <CODE>tag</CODE> parameter restricts the search to
+ a specific value type - use <CODE>IPP_TAG_ZERO</CODE> to find any value
+ with the name.</P>
+<P>The value tags <CODE>IPP_TAG_NAME</CODE> and <CODE>IPP_TAG_TEXT</CODE>
+ match the name/text values with or without the language code.</P>
+<H3><A NAME="10_77_5">Example</A></H3>
+<PRE>
+ipp_attribute_t *attr;
+
+attr = ippFindAttribute(response, &quot;printer-state-message&quot;, IPP_TAG_TEXT);
+</PRE>
+<H3><A NAME="10_77_6">See Also</A></H3>
+<A HREF="#cupsDoFileRequest"> <CODE>cupsDoFileRequest()</CODE></A>,<A HREF="#cupsDoRequest">
+ <CODE>cupsDoRequest()</CODE></A>,<A HREF="#ippDelete"> <CODE>
+ippDelete()</CODE></A>,<A HREF="#ippNew"> <CODE>ippNew()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippLength">ippLength()</A></H2>
+<H3><A NAME="10_78_1">Usage</A></H3>
+<PRE>
+int ippLength(ipp_t *ipp);
+</PRE>
+<H3><A NAME="10_78_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ipp</TD><TD>The IPP request or response</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_78_3">Returns</A></H3>
+<P>The total encoded length of the IPP request or response in bytes.</P>
+<H3><A NAME="10_78_4">Description</A></H3>
+<P><CODE>ippLength()</CODE> returns the length of the IPP request or
+ response in bytes.</P>
+<H3><A NAME="10_78_5">Example</A></H3>
+<PRE>
+printf(&quot;The length of the response is %d bytes.\n&quot;, ippLength(response));
+</PRE>
+<H3><A NAME="10_78_6">See Also</A></H3>
+<A HREF="#ippDelete"> <CODE>ippDelete()</CODE></A>,<A HREF="#ippNew"> <CODE>
+ippNew()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippNew">ippNew()</A></H2>
+<H3><A NAME="10_79_1">Usage</A></H3>
+<PRE>
+ipp_t *ippNew(void);
+</PRE>
+<H3><A NAME="10_79_2">Returns</A></H3>
+<P>A pointer to a new IPP request or response.</P>
+<H3><A NAME="10_79_3">Description</A></H3>
+<P>The <CODE>ippNew()</CODE> function creates a new IPP request or
+ response.</P>
+<H3><A NAME="10_79_4">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_t *ipp;
+
+ipp = ippNew();
+</PRE>
+<H3><A NAME="10_79_5">See Also</A></H3>
+<A HREF="#ippDelete"> <CODE>ippDelete()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippPort">ippPort()</A></H2>
+<H3><A NAME="10_80_1">Usage</A></H3>
+<PRE>
+int ippPort(void);
+</PRE>
+<H3><A NAME="10_80_2">Returns</A></H3>
+<P>The default TCP/IP port number for IPP requests.</P>
+<H3><A NAME="10_80_3">Description</A></H3>
+<P>The <CODE>ippPort()</CODE> function returns the default IPP port
+ number for requests.</P>
+<H3><A NAME="10_80_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+#include &lt;cups/ipp.h&gt;
+
+http_t *http;
+
+http = httpConnect(cupsServer(), ippPort());
+</PRE>
+<H3><A NAME="10_80_5">See Also</A></H3>
+<A HREF="#cupsServer"> <CODE>cupsServer()</CODE></A>,<A HREF="#ippSetPort">
+ <CODE>ippSetPort()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippRead">ippRead()</A></H2>
+<H3><A NAME="10_81_1">Usage</A></H3>
+<PRE>
+ipp_state_t ippRead(http_t *http, ipp_t *ipp);
+</PRE>
+<H3><A NAME="10_81_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>ipp</TD><TD>The IPP request or response</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_81_3">Returns</A></H3>
+<P>The current read state.</P>
+<H3><A NAME="10_81_4">Description</A></H3>
+<P>The <CODE>ippRead()</CODE> function reads IPP attributes from the
+ specified HTTP connection. Programs should continue calling <CODE>
+ippRead()</CODE> until <CODE>IPP_ERROR</CODE> or <CODE>IPP_DATA</CODE>
+ is returned.</P>
+<H3><A NAME="10_81_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+#include &lt;cups/ipp.h&gt;
+
+http_t *http;
+ipp_t *ipp;
+ipp_state_t status;
+
+ipp = ippNew();
+
+while ((status = ippRead(http, ipp)) != IPP_ERROR)
+  if (status == IPP_DATA)
+    break;
+
+if (status == IPP_DATA)
+{
+  ... read additional non-IPP data using httpRead() ...
+}
+</PRE>
+<H3><A NAME="10_81_6">See Also</A></H3>
+<A HREF="#ippWrite"> <CODE>ippWrite()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippSetPort">ippSetPort()</A></H2>
+<H3><A NAME="10_82_1">Usage</A></H3>
+<PRE>
+void
+ippSetPort(int port);
+</PRE>
+<H3><A NAME="10_82_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>port</TD><TD>The port number to use</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_82_3">Description</A></H3>
+<P>The <CODE>ippSetPort()</CODE> function sets the default IPP port
+ number for requests.</P>
+<H3><A NAME="10_82_4">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+#include &lt;cups/ipp.h&gt;
+
+...
+
+ippSetPort(8631);
+</PRE>
+<H3><A NAME="10_82_5">See Also</A></H3>
+<A HREF="#ippPort"> <CODE>ippPort()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippTimeToDate">ippTimeToDate()</A></H2>
+<H3><A NAME="10_83_1">Usage</A></H3>
+<PRE>
+ipp_uchar_t *ippTimeToDate(time_t time);
+</PRE>
+<H3><A NAME="10_83_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>time</TD><TD>The UNIX time value</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_83_3">Returns</A></H3>
+<P>A static pointer to an IPP date-time value.</P>
+<H3><A NAME="10_83_4">Description</A></H3>
+<P>The <CODE>ippTimeToDate()</CODE> function converts a UNIX time to an
+ IPP date-time value.</P>
+<H3><A NAME="10_83_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ipp.h&gt;
+
+ipp_uchar_t *date;
+
+date = ippTimeToDate(time(NULL));
+</PRE>
+<H3><A NAME="10_83_6">See Also</A></H3>
+<A HREF="#ippDateToTime"> <CODE>ippDateToTime()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ippWrite">ippWrite()</A></H2>
+<H3><A NAME="10_84_1">Usage</A></H3>
+<PRE>
+ipp_state_t ippWrite(http_t *http, ipp_t *ipp);
+</PRE>
+<H3><A NAME="10_84_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>http</TD><TD>The HTTP connection</TD></TR>
+<TR><TD>ipp</TD><TD>The IPP request or response</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_84_3">Returns</A></H3>
+<P>The current write state.</P>
+<H3><A NAME="10_84_4">Description</A></H3>
+<P>The <CODE>ippWrite()</CODE> function writes IPP attributes to the
+ specified HTTP connection. Programs should continue calling <CODE>
+ippWrite()</CODE> until <CODE>IPP_ERROR</CODE> or <CODE>IPP_DATA</CODE>
+ is returned.</P>
+<H3><A NAME="10_84_5">Example</A></H3>
+<PRE>
+#include &lt;cups/http.h&gt;
+#include &lt;cups/ipp.h&gt;
+
+http_t *http;
+ipp_t *ipp;
+ipp_state_t status;
+
+ipp = ippNew();
+... add attributes ...
+
+while ((status = ippWrite(http, ipp)) != IPP_ERROR)
+  if (status == IPP_DATA)
+    break;
+
+if (status == IPP_DATA)
+{
+  ... read additional non-IPP data using httpWrite() ...
+}
+</PRE>
+<H3><A NAME="10_84_6">See Also</A></H3>
+<A HREF="#ippRead"> <CODE>ippRead()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdClose">ppdClose()</A></H2>
+<H3><A NAME="10_85_1">Usage</A></H3>
+<PRE>
+void ppdClose(ppd_file_t *ppd);
+</PRE>
+<H3><A NAME="10_85_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_85_3">Description</A></H3>
+<P>The <CODE>ppdClose()</CODE> function frees all memory associated with
+ the PPD file.</P>
+<H3><A NAME="10_85_4">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+ppdClose(ppd);
+</PRE>
+<H3><A NAME="10_85_5">See Also</A></H3>
+<A HREF="#ppdOpen"> <CODE>ppdOpen()</CODE></A>,<A HREF="#ppdOpenFd"> <CODE>
+ppdOpenFd()</CODE></A>,<A HREF="#ppdOpenFile"> <CODE>ppdOpenFile()</CODE>
+</A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdConflicts">ppdConflicts()</A></H2>
+<H3><A NAME="10_86_1">Usage</A></H3>
+<PRE>
+int ppdConflicts(ppd_file_t *ppd);
+</PRE>
+<H3><A NAME="10_86_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_86_3">Returns</A></H3>
+<P>The number of option conflicts in the file.</P>
+<H3><A NAME="10_86_4">Description</A></H3>
+<P>The <CODE>ppdConflicts()</CODE> function returns the number of
+ conflicts with the currently selected options.</P>
+<H3><A NAME="10_86_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+printf(&quot;%d conflicts\n&quot;, ppdConflicts(ppd));
+</PRE>
+<H3><A NAME="10_86_6">See Also</A></H3>
+<A HREF="#cupsMarkOptions"> <CODE>cupsMarkOptions()</CODE></A>,<A HREF="#ppdIsMarked">
+ <CODE>ppdIsMarked()</CODE></A>,<A HREF="#ppdMarkDefaults"> <CODE>
+ppdMarkDefaults()</CODE></A>,<A HREF="#ppdMarkOption"> <CODE>
+ppdMarkOption()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdEmit">ppdEmit()</A></H2>
+<H3><A NAME="10_87_1">Usage</A></H3>
+<PRE>
+int ppdEmit(ppd_file_t *ppd, FILE *file, ppd_section_t section);
+</PRE>
+<H3><A NAME="10_87_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>file</TD><TD>The file to write to</TD></TR>
+<TR><TD>section</TD><TD>The option section to write</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_87_3">Returns</A></H3>
+<P>0 on success, -1 on error.</P>
+<H3><A NAME="10_87_4">Description</A></H3>
+<P>The <CODE>ppdEmit()</CODE> function sends printer-specific option
+ commands to the specified file.</P>
+<H3><A NAME="10_87_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+</PRE>
+<H3><A NAME="10_87_6">See Also</A></H3>
+<A HREF="#ppdEmitFd"> <CODE>ppdEmitFd()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdEmitFd">ppdEmitFd()</A></H2>
+<H3><A NAME="10_88_1">Usage</A></H3>
+<PRE>
+int ppdEmitFd(ppd_file_t *ppd, int fd, ppd_section_t section);
+</PRE>
+<H3><A NAME="10_88_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>fd</TD><TD>The file descriptor to write to</TD></TR>
+<TR><TD>section</TD><TD>The option section to write</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_88_3">Returns</A></H3>
+<P>0 on success, -1 on error.</P>
+<H3><A NAME="10_88_4">Description</A></H3>
+<P>The <CODE>ppdEmitFd()</CODE> function sends printer-specific option
+ commands to the specified file descriptor.</P>
+<H3><A NAME="10_88_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+ppdEmitFd(ppd, 1, PPD_ORDER_PAGE);
+</PRE>
+<H3><A NAME="10_88_6">See Also</A></H3>
+<A HREF="#ppdEmit"> <CODE>ppdEmit()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdFindChoice">ppdFindChoice()</A></H2>
+<H3><A NAME="10_89_1">Usage</A></H3>
+<PRE>
+ppd_choice_t *ppdFindChoice(ppd_option_t *option, const char *choice);
+</PRE>
+<H3><A NAME="10_89_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>option</TD><TD>A pointer to the option</TD></TR>
+<TR><TD>choice</TD><TD>The name of the choice</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_89_3">Returns</A></H3>
+<P>A pointer to the choice data or NULL if the choice does not exist.</P>
+<H3><A NAME="10_89_4">Description</A></H3>
+<P>The <CODE>ppdFindChoice()</CODE> function returns a pointer to the
+ choice data for the specified option.</P>
+<H3><A NAME="10_89_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+ppd_option_t *option;
+ppd_choice_t *choice;
+
+option = ppdFindOption(ppd, &quot;PageSize&quot;);
+choice = ppdFindChoice(option, &quot;Letter&quot;);
+</PRE>
+<H3><A NAME="10_89_6">See Also</A></H3>
+<A HREF="#ppdFindMarkedChoice"> <CODE>ppdFindMarkedChoice()</CODE></A>,<A
+HREF="#ppdFindOption"> <CODE>ppdFindOption()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdFindMarkedChoice">ppdFindMarkedChoice()</A></H2>
+<H3><A NAME="10_90_1">Usage</A></H3>
+<PRE>
+ppd_choice_t *ppdFindMarkedChoice(ppd_file_t *ppd, const char *keyword);
+</PRE>
+<H3><A NAME="10_90_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>keyword</TD><TD>The name of the option</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_90_3">Returns</A></H3>
+<P>A pointer to the choice data or NULL if the choice does not exist or
+ is not marked.</P>
+<H3><A NAME="10_90_4">Description</A></H3>
+<P>The <CODE>ppdFindMarkedChoice()</CODE> function returns a pointer to
+ the marked choice data for the specified option.</P>
+<H3><A NAME="10_90_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+ppd_choice_t *choice;
+
+choice = ppdFindMarkedChoice(ppd, &quot;PageSize&quot;);
+</PRE>
+<H3><A NAME="10_90_6">See Also</A></H3>
+<A HREF="#ppdFindChoice"> <CODE>ppdFindChoice()</CODE></A>,<A HREF="#ppdFindOption">
+ <CODE>ppdFindOption()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdFindOption">ppdFindOption()</A></H2>
+<H3><A NAME="10_91_1">Usage</A></H3>
+<PRE>
+ppd_option_t *ppdFindOption(ppd_file_t *ppd, const char *keyword);
+</PRE>
+<H3><A NAME="10_91_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>keyword</TD><TD>The name of the option</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_91_3">Returns</A></H3>
+<P>A pointer to the option data or NULL if the option does not exist.</P>
+<H3><A NAME="10_91_4">Description</A></H3>
+<P>The <CODE>ppdFindOption()</CODE> function returns a pointer to the
+ option data for the specified option.</P>
+<H3><A NAME="10_91_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+ppd_option_t *option;
+
+option = ppdFindOption(ppd, &quot;PageSize&quot;);
+</PRE>
+<H3><A NAME="10_91_6">See Also</A></H3>
+<A HREF="#ppdFindChoice"> <CODE>ppdFindChoice()</CODE></A>,<A HREF="#ppdFindMarkedChoice">
+ <CODE>ppdFindMarkedChoice()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdIsMarked">ppdIsMarked()</A></H2>
+<H3><A NAME="10_92_1">Usage</A></H3>
+<PRE>
+int ppdIsMarked(ppd_file_t *ppd, const char *keyword, char char *choice);
+</PRE>
+<H3><A NAME="10_92_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>keyword</TD><TD>The name of the option</TD></TR>
+<TR><TD>choice</TD><TD>The name of the option choice</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_92_3">Returns</A></H3>
+<P>1 if the choice is marked, 0 otherwise.</P>
+<H3><A NAME="10_92_4">Description</A></H3>
+<P>The <CODE>ppdIsMarked()</CODE> function returns whether or not the
+ specified option choice is marked.</P>
+<H3><A NAME="10_92_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+printf(&quot;Letter size %s selected.\n&quot;,
+       ppdIsMarked(ppd, &quot;PageSize&quot;, &quot;Letter&quot;) ? &quot;is&quot; : &quot;is not&quot;);
+</PRE>
+<H3><A NAME="10_92_6">See Also</A></H3>
+<A HREF="#cupsMarkOptions"> <CODE>cupsMarkOptions()</CODE></A>,<A HREF="#ppdConflicts">
+ <CODE>ppdConflicts()</CODE></A>,<A HREF="#ppdIsMarked"> <CODE>
+ppdIsMarked()</CODE></A>,<A HREF="#ppdMarkDefaults"> <CODE>
+ppdMarkDefaults()</CODE></A>,<A HREF="#ppdMarkOption"> <CODE>
+ppdMarkOption()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdMarkDefaults">ppdMarkDefaults()</A></H2>
+<H3><A NAME="10_93_1">Usage</A></H3>
+<PRE>
+void ppdMarkDefaults(ppd_file_t *ppd);
+</PRE>
+<H3><A NAME="10_93_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_93_3">Description</A></H3>
+<P>The <CODE>ppdMarkDefaults()</CODE> function marks all of the default
+ choices in the PPD file.</P>
+<H3><A NAME="10_93_4">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+ppdMarkDefaults(ppd);
+</PRE>
+<H3><A NAME="10_93_5">See Also</A></H3>
+<A HREF="#cupsMarkOptions"> <CODE>cupsMarkOptions()</CODE></A>,<A HREF="#ppdConflicts">
+ <CODE>ppdConflicts()</CODE></A>,<A HREF="#ppdIsMarked"> <CODE>
+ppdIsMarked()</CODE></A>,<A HREF="#ppdMarkDefaults"> <CODE>
+ppdMarkDefaults()</CODE></A>,<A HREF="#ppdMarkOption"> <CODE>
+ppdMarkOption()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdMarkOption">ppdMarkOption()</A></H2>
+<H3><A NAME="10_94_1">Usage</A></H3>
+<PRE>
+int ppdMarkOption(ppd_file_t *ppd, const char *keyword, const char *choice);
+</PRE>
+<H3><A NAME="10_94_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>keyword</TD><TD>The name of the option</TD></TR>
+<TR><TD>choice</TD><TD>The name of the choice</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_94_3">Returns</A></H3>
+<P>The number of conflicts in the PPD file.</P>
+<H3><A NAME="10_94_4">Description</A></H3>
+<P>The <CODE>ppdMarkOption()</CODE> function marks the specified option
+ choice.</P>
+<H3><A NAME="10_94_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+ppdMarkOption(ppd, &quot;PageSize&quot;, &quot;Letter&quot;);
+</PRE>
+<H3><A NAME="10_94_6">See Also</A></H3>
+<A HREF="#cupsMarkOptions"> <CODE>cupsMarkOptions()</CODE></A>,<A HREF="#ppdConflicts">
+ <CODE>ppdConflicts()</CODE></A>,<A HREF="#ppdIsMarked"> <CODE>
+ppdIsMarked()</CODE></A>,<A HREF="#ppdMarkDefaults"> <CODE>
+ppdMarkDefaults()</CODE></A>,<A HREF="#ppdMarkOption"> <CODE>
+ppdMarkOption()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdOpen">ppdOpen()</A></H2>
+<H3><A NAME="10_95_1">Usage</A></H3>
+<PRE>
+ppd_file_t *ppdOpen(FILE *file);
+</PRE>
+<H3><A NAME="10_95_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>file</TD><TD>The file to read from</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_95_3">Returns</A></H3>
+<P>A pointer to a PPD file structure or NULL if the PPD file could not
+ be read.</P>
+<H3><A NAME="10_95_4">Description</A></H3>
+<P>The <CODE>ppdOpen()</CODE> function reads a PPD file from the
+ specified file into memory.</P>
+<H3><A NAME="10_95_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+FILE *file;
+
+file = fopen(&quot;filename.ppd&quot;, &quot;rb&quot;);
+ppd = ppdOpen(file);
+fclose(file);
+</PRE>
+<H3><A NAME="10_95_6">See Also</A></H3>
+<A HREF="#ppdClose"> <CODE>ppdClose()</CODE></A>,<A HREF="#ppdOpenFd"> <CODE>
+ppdOpenFd()</CODE></A>,<A HREF="#ppdOpenFile"> <CODE>ppdOpenFile()</CODE>
+</A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdOpenFd">ppdOpenFd()</A></H2>
+<H3><A NAME="10_96_1">Usage</A></H3>
+<PRE>
+ppd_file_t *ppdOpenFd(int fd);
+</PRE>
+<H3><A NAME="10_96_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>fd</TD><TD>The file descriptor to read from</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_96_3">Returns</A></H3>
+<P>A pointer to a PPD file structure or NULL if the PPD file could not
+ be read.</P>
+<H3><A NAME="10_96_4">Description</A></H3>
+<P>The <CODE>ppdOpenFd()</CODE> function reads a PPD file from the
+ specified file descriptor into memory.</P>
+<H3><A NAME="10_96_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+int        fd;
+
+fd = open(&quot;filename.ppd&quot;, O_RDONLY);
+ppd = ppdOpenFd(fd);
+close(fd);
+</PRE>
+<H3><A NAME="10_96_6">See Also</A></H3>
+<A HREF="#ppdClose"> <CODE>ppdClose()</CODE></A>,<A HREF="#ppdOpen"> <CODE>
+ppdOpen()</CODE></A>,<A HREF="#ppdOpenFile"> <CODE>ppdOpenFile()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdOpenFile">ppdOpenFile()</A></H2>
+<H3><A NAME="10_97_1">Usage</A></H3>
+<PRE>
+ppd_file_t *ppdOpenFile(const char *filename);
+</PRE>
+<H3><A NAME="10_97_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>filename</TD><TD>The name of the file to read from</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_97_3">Returns</A></H3>
+<P>A pointer to a PPD file structure or NULL if the PPD file could not
+ be read.</P>
+<H3><A NAME="10_97_4">Description</A></H3>
+<P>The <CODE>ppdOpenFile()</CODE> function reads a PPD file from the
+ named file into memory.</P>
+<H3><A NAME="10_97_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+ppd = ppdOpenFile(&quot;filename.ppd&quot;);
+</PRE>
+<H3><A NAME="10_97_6">See Also</A></H3>
+<A HREF="#ppdClose"> <CODE>ppdClose()</CODE></A>,<A HREF="#ppdOpen"> <CODE>
+ppdOpen()</CODE></A>,<A HREF="#ppdOpenFd"> <CODE>ppdOpenFd()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdPageLength">ppdPageLength()</A></H2>
+<H3><A NAME="10_98_1">Usage</A></H3>
+<PRE>
+float ppdPageLength(ppd_file_t *ppd, const char *name);
+</PRE>
+<H3><A NAME="10_98_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>name</TD><TD>The name of the page size</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_98_3">Returns</A></H3>
+<P>The length of the specified page size in points or 0 if the page size
+ does not exist.</P>
+<H3><A NAME="10_98_4">Description</A></H3>
+<P>The <CODE>ppdPageLength()</CODE> function returns the page length of
+ the specified page size.</P>
+<H3><A NAME="10_98_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+printf(&quot;Length = %.0f\n&quot;, ppdPageLength(ppd, &quot;Letter&quot;));
+</PRE>
+<H3><A NAME="10_98_6">See Also</A></H3>
+<A HREF="#ppdPageLength"> <CODE>ppdPageLength()</CODE></A>,<A HREF="#ppdPageSize">
+ <CODE>ppdPageSize()</CODE></A>,<A HREF="#ppdPageWidth"> <CODE>
+ppdPageWidth()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdPageSize">ppdPageSize()</A></H2>
+<H3><A NAME="10_99_1">Usage</A></H3>
+<PRE>
+ppd_size_t *ppdPageSize(ppd_file_t *ppd, const char *name);
+</PRE>
+<H3><A NAME="10_99_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>name</TD><TD>The name of the page size</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_99_3">Returns</A></H3>
+<P>A pointer to the page size record of the specified page size in
+ points or NULL if the page size does not exist.</P>
+<H3><A NAME="10_99_4">Description</A></H3>
+<P>The <CODE>ppdPageSize()</CODE> function returns the page size record
+ for the specified page size.</P>
+<H3><A NAME="10_99_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+ppd_size_t *size;
+
+size = ppdPageSize(ppd, &quot;Letter&quot;);
+if (size != NULL)
+{
+  printf(&quot; Width = %.0f\n&quot;, size-&gt;width);
+  printf(&quot;Length = %.0f\n&quot;, size-&gt;length);
+  printf(&quot;  Left = %.0f\n&quot;, size-&gt;left);
+  printf(&quot; Right = %.0f\n&quot;, size-&gt;right);
+  printf(&quot;Bottom = %.0f\n&quot;, size-&gt;bottom);
+  printf(&quot;   Top = %.0f\n&quot;, size-&gt;top);
+}
+</PRE>
+<H3><A NAME="10_99_6">See Also</A></H3>
+<A HREF="#ppdPageLength"> <CODE>ppdPageLength()</CODE></A>,<A HREF="#ppdPageWidth">
+ <CODE>ppdPageWidth()</CODE></A>
+<!-- NEW PAGE -->
+
+<H2><A NAME="ppdPageWidth">ppdPageWidth()</A></H2>
+<H3><A NAME="10_100_1">Usage</A></H3>
+<PRE>
+float ppdPageWidth(ppd_file_t *ppd, const char *name);
+</PRE>
+<H3><A NAME="10_100_2">Arguments</A></H3>
+<CENTER>
+<TABLE BORDER WIDTH="80%">
+<TR><TH>Argument</TH><TH>Description</TH></TR>
+<TR><TD>ppd</TD><TD>The PPD file</TD></TR>
+<TR><TD>name</TD><TD>The name of the page size</TD></TR>
+</TABLE>
+</CENTER>
+<H3><A NAME="10_100_3">Returns</A></H3>
+<P>The width of the specified page size in points or 0 if the page size
+ does not exist.</P>
+<H3><A NAME="10_100_4">Description</A></H3>
+<P>The <CODE>ppdPageWidth()</CODE> function returns the page width of
+ the specified page size.</P>
+<H3><A NAME="10_100_5">Example</A></H3>
+<PRE>
+#include &lt;cups/ppd.h&gt;
+
+ppd_file_t *ppd;
+
+printf(&quot;Width = %.0f\n&quot;, ppdPageWidth(ppd, &quot;Letter&quot;));
+</PRE>
+<H3><A NAME="10_100_6">See Also</A></H3>
+<A HREF="#ppdPageLength"> <CODE>ppdPageLength()</CODE></A>,<A HREF="#ppdPageSize">
+ <CODE>ppdPageSize()</CODE></A></BODY>
+</HTML>
diff --git a/doc/spm.pdf b/doc/spm.pdf
new file mode 100644
index 000000000..733118725
--- /dev/null
+++ b/doc/spm.pdf
diff --git a/doc/spm.shtml b/doc/spm.shtml
new file mode 100644
index 000000000..0ca9c943c
--- /dev/null
+++ b/doc/spm.shtml
@@ -0,0 +1,8667 @@
+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SPM-1.1.13">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Programmers Manual</TITLE>
+</HEAD>
+<BODY>
+
+<H1 ALIGN="RIGHT">Preface</H1>
+
+<P>This software programmers manual provides software
+programming information for the Common UNIX Printing System
+("CUPS") Version 1.1.13.
+
+<EMBED SRC="system-overview.shtml">
+
+<!-- NEED 2in -->
+<H2>Document Overview</H2>
+
+<P>This software programmers manual is organized into the following sections:
+
+<UL>
+	<LI><A HREF="#OVERVIEW">1 - Printing System Overview</A>
+	<LI><A HREF="#CUPS_API">2 - The CUPS API</A>
+	<LI><A HREF="#WRITING_FILTERS">3 - Writing Filters</A>
+	<LI><A HREF="#WRITING_DRIVERS">4 - Writing Printer Drivers</A>
+	<LI><A HREF="#WRITING_BACKENDS">5 - Writing Backends</A>
+	<LI><A HREF="#LICENSE">A - Software License Agreement</A>
+	<LI><A HREF="#CONSTANTS">B - Constants</A>
+	<LI><A HREF="#STRUCTURES">C - Structures</A>
+	<LI><A HREF="#FUNCTIONS">D - Functions</A>
+</UL>
+
+<H2>Notation Conventions</H2>
+
+<P>Various font and syntax conventions are used in this guide. Examples and
+their meanings and uses are explained below:
+
+<CENTER><TABLE WIDTH="80%">
+<TR>
+	<TH>Example</TH>
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+	<TH>Description</TH>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD><CODE>lpstat</CODE><BR>
+	<CODE>lpstat(1)</CODE></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>The names of commands; the first mention of a command or
+	function in a chapter is followed by a manual page section
+	number.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD><VAR>/var</VAR><BR>
+	<VAR>/usr/share/cups/data/testprint.ps</VAR></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>File and directory names.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD NOWRAP><TT>Request ID is Printer-123</TT></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Screen output.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD NOWRAP><KBD>lp -d printer filename ENTER</KBD></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Literal user input; special keys like <KBD>ENTER</B></KBD> are
+	in ALL CAPS.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD>12.3</TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Numbers in the text are written using the period (.) to indicate
+	the decimal point.</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 3in -->
+<H2>Abbreviations</H2>
+
+The following abbreviations are used throughout this manual:
+
+<UL>
+<DL>
+
+	<DT>kb
+	<DD>Kilobytes, or 1024 bytes<BR>&nbsp;
+
+	<DT>Mb
+	<DD>Megabytes, or 1048576 bytes<BR>&nbsp;
+
+	<DT>Gb
+	<DD>Gigabytes, or 1073741824 bytes<BR>&nbsp;
+
+</DL>
+</UL>
+
+<H2>Other References</H2>
+
+<UL>
+<DL>
+
+	<DT>CUPS Software Administrators Manual
+
+	<DD>An administration guide for the CUPS software.<BR>&nbsp;
+
+	<DT>CUPS Software Users Manual
+
+	<DD>An end-user guide for using the CUPS software.<BR>&nbsp;
+
+</DL>
+</UL>
+
+
+<EMBED SRC="printing-overview.shtml">
+
+
+<H1 ALIGN="RIGHT"><A NAME="CUPS_API">2 - The CUPS API</A></H1>
+
+<P>This chapter describes the CUPS Application Programmers Interface ("API").
+
+<H2>The CUPS API Library</H2>
+
+<P>The CUPS library provides a whole collection of interfaces needed to
+support the internal needs of the CUPS software as well as the needs of
+applications, filters, printer drivers, and backends.
+
+<P>Unlike the rest of CUPS, the CUPS API library is provided under the
+GNU Library General Public License. This means that you can use the
+CUPS API library in both proprietary and open-source programs.
+
+<P>Programs that use the CUPS API library typically will include the
+<CODE>&lt;cups/cups.h&gt;</CODE> header file:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+jobid = cupsPrintFile("myprinter", "filename.ps", "title",
+                      num_options, options);
+</PRE></UL>
+
+<P>Use the <CODE>-lcups</CODE> compiler option when linking to the CUPS API
+library:
+
+<UL><PRE>
+<B>cc -o program program.c -lcups ENTER</B>
+</PRE></UL>
+
+<P>Additional options and libraries may be required depending on the
+operating system and the location of the CUPS API library.
+
+<H3>Detecting the CUPS API Library in GNU Autoconf</H3>
+
+<P>GNU autoconf is a popular configuration tool used by many programs.
+Add the following lines to your <VAR>configure.in</CODE> file to check
+for the CUPS API library in your configuration script:
+
+<UL><PRE>
+AC_CHECK_LIB(socket,socket,
+if test "$uname" != "IRIX"; then
+	LIBS="-lsocket $LIBS"
+else
+	echo "Not using -lsocket since you are running IRIX."
+fi)
+AC_CHECK_LIB(nsl,gethostbyaddr,
+if test "$uname" != "IRIX"; then
+	LIBS="-lnsl $LIBS"
+else
+	echo "Not using -lnsl since you are running IRIX."
+fi)
+
+AC_CHECK_LIB(cups,httpConnect)
+</PRE></UL>
+
+<H2>Printing Services</H2>
+
+<P>The CUPS API library provides some basic printing services for applications
+that need to print files.
+
+<H3>Include Files</H3>
+
+<P>The include file used by all of these functions is
+<CODE>&lt;cups/cups.h&gt;</CODE>:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+</PRE></UL>
+
+<H3>Printing a File</H3>
+
+<P>The CUPS API provides two functions for printing files. The first is
+<CODE>cupsPrintFile</CODE> which prints a single named file:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int jobid;
+
+...
+
+jobid = cupsPrintFile("<I>name</I>", "<I>filename</I>", "<I>title</I>", 0, NULL);
+</PRE></UL>
+
+<P>The <CODE>name</CODE> string is the name of the printer or class to
+print to. The <CODE>filename</CODE> string is the name of the file to
+print. The <CODE>title</CODE> string is the name of the print job, e.g.
+"Acme Word Document".
+
+<P>The return value is a unique ID number for the print job or 0 if there
+was an error.
+
+<H3>Printing Multiple Files</H3>
+
+<P>The second printing function is <CODE>cupsPrintFiles</CODE>:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int        jobid;
+int        num_files;
+const char *files[100];
+...
+
+jobid = cupsPrintFiles("name", <I>num_files</I>, <I>files</I>, "title", 0, NULL);
+</PRE></UL>
+
+<P>Instead of passing a filename string as with <CODE>cupsPrintFile()</CODE>,
+you pass a file count (<CODE>num_files</CODE>) and filename pointer array
+(<CODE>files</CODE>) for each file that you want to print.
+
+<P>As with <CODE>cupsPrintFile()</CODE>, the return value is a unique ID for
+the print job.
+
+<H3>Cancelling Jobs</H3>
+
+<P>The <CODE>cupsCancelJob()</CODE> function cancels a queued print job:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int jobid;
+int status;
+...
+
+status = cupsCancelJob("<I>name</I>", <I>jobid</I>);
+</PRE></UL>
+
+<P>The <CODE>name</CODE> string specifies the destination and is used
+to determine the server to send the request to. The <CODE>jobid</CODE>
+value is the integer returned from a previous <CODE>cupsPrintFile()</CODE>
+or <CODE>cupsPrintFiles()</CODE> call.
+
+<P><CODE>cupsCancelJob()</CODE> returns <CODE>1</CODE> if the job was
+successfully cancelled and <CODE>0</CODE> if there was an error.
+
+<H3>Getting the Available Printers and Classes</H3>
+
+<P>The <CODE>cupsGetDests()</CODE> function can be used to get a list
+of the available printers, classes, and instances that a user has defined:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int         num_dests;
+cups_dest_t *dests;
+
+...
+
+num_dests = cupsGetDests(&amp;dests);
+</PRE></UL>
+
+<P>Each destination is stored in a <CODE>cups_dest_t</CODE> structure which
+defines the printer or class name, the instance name (if any), if it is the
+default destination, and the default options the user has defined for the
+destination:
+
+<UL><PRE>
+typedef struct               /**** Destination ****/
+{
+  char          *name,       /* Printer or class name */
+                *instance;   /* Local instance name or NULL */
+  int           is_default;  /* Is this printer the default? */
+  int           num_options; /* Number of options */
+  cups_option_t *options;    /* Options */
+} cups_dest_t;
+</PRE></UL>
+
+<P>The destinations are sorted by name and instance for your convenience.
+Once you have the list of available destinations, you can lookup a specific
+destination using the <CODE>cupsGetDest()</CODE> function:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int         num_dests;
+cups_dest_t *dests;
+cups_dest_t *mydest;
+
+...
+
+mydest = cupsGetDest("<I>name</I>", "<I>instance</I>", num_dests, dests);
+</PRE></UL>
+
+<P>The <CODE>name</CODE> string is the printer or class name. You can pass
+a value of <CODE>NULL</CODE> to get the default destination.
+
+<P>The <CODE>instance</CODE> string is the user-defined instance name. Pass
+<CODE>NULL</CODE> to select the default instance, e.g. "name" instead of
+"name/instance".
+
+<H3>Printing with Options</H3>
+
+<P>All of the previous printing examples have passed <CODE>0</CODE> and
+<CODE>NULL</CODE> for the last two arguments to the <CODE>cupsPrintFile()</CODE>
+and <CODE>cupsPrintFiles()</CODE> functions. These last two arguments are the
+number of options and a pointer to the option array:
+
+<UL><PRE>
+int cupsPrintFile(const char *name, const char *filename, const char *title,
+                  int num_options, cups_option_t *options);
+int cupsPrintFiles(const char *name, int num_files, const char **files,
+                   const char *title, int num_options,
+		   cups_option_t *options);
+</UL></PRE>
+
+<P>The <CODE>cups_option_t</CODE> structure holds each option and its value.
+These are converted as needed and passed to the CUPS server when printing a
+file.
+
+<P>The simplest way of handling options is to use the <CODE>num_options</CODE>
+and <CODE>options</CODE> members of the <CODE>cups_dest_t</CODE>
+structure described earlier:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int         jobid;
+int         num_dests;
+cups_dest_t *dests;
+cups_dest_t *mydest;
+
+...
+
+mydest = cupsGetDest("<I>name</I>", "<I>instance</I>", num_dests, dests);
+
+jobid  = cupsPrintFile(mydest-&gt;name, "filename", "title",
+                       mydest-&gt;num_options, mydest-&gt;options);
+</PRE></UL>
+
+<P>This effectively uses the options a user has previous selected without a
+lot of code.
+
+<H3>Setting Printer Options</H3>
+
+<P>Options can also be set by your program using the <CODE>cupsAddOption()</CODE>
+function:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+num_options = 0;
+options     = NULL;
+
+...
+
+num_options = cupsAddOption("<I>name</I>", "<I>value</I>", num_options, &amp;options);
+num_options = cupsAddOption("<I>name</I>", "<I>value</I>", num_options, &amp;options);
+num_options = cupsAddOption("<I>name</I>", "<I>value</I>", num_options, &amp;options);
+num_options = cupsAddOption("<I>name</I>", "<I>value</I>", num_options, &amp;options);
+</PRE></UL>
+
+<P>The <CODE>name</CODE> string is the name of the option, and the
+<CODE>value</CODE> string is the value for that option.
+
+<P>Each call to <CODE>cupsAddOption()</CODE> returns the new number of
+options. Since adding two options with the same name overwrites the
+first value with the second, do not assume that calling
+<CODE>cupsAddOptions()</CODE> 20 times will result in 20 options.
+
+<P>Call <CODE>cupsFreeOptions</CODE> once you are done using the options:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+cupsFreeOptions(num_options, options);
+</PRE></UL>
+
+<H3>Getting Errors</H3>
+
+<P>If any of the CUPS API printing functions returns an error, the reason for
+that error can be found by calling <CODE>cupsLastError()</CODE> and
+<CODE>cupsErrorString()</CODE>. <CODE>cupsLastError()</CODE> returns the
+last IPP error code that was encountered. <CODE>cupsErrorString()</CODE>
+converts the error code to a localized message string suitable for
+presentation to the user:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+int jobid;
+
+...
+
+if (jobid == 0)
+  puts(cupsErrorString(cupsLastError()));
+</PRE></UL>
+
+<H3>Passwords and Authentication</H3>
+
+<P>CUPS supports authentication of any request, including
+submission of print jobs. The default mechanism for getting the
+username and password is to use the login user and a password
+from the console.
+
+<P>To support other types of applications, in particular
+Graphical User Interfaces ("GUIs"), the CUPS API provides
+functions to set the default username and to register a callback
+function that returns a password string.
+
+<P>The <A HREF="#cupsSetPasswordCB"><CODE>cupsSetPasswordCB()</CODE></A>
+function is used to set a password callback in your program. Only one
+function can be used at any time.
+
+<P>The <A HREF="#cupsSetUser"><CODE>cupsSetUser()</CODE></A> function sets
+the current username for authentication. This function can be called by
+your password callback function to change the current username as needed.
+
+<P>The following example shows a simple password callback that gets a
+username and password from the user:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *
+my_password_cb(const char *prompt)
+{
+  char	user[65];
+
+
+  puts(prompt);
+
+ /* Get a username from the user */
+  printf("Username: ");
+  if (fgets(user, sizeof(user), stdin) == NULL)
+    return (NULL);
+
+ /* Strip the newline from the string and set the user */
+  user[strlen(user) - 1] = '\0';
+
+  cupsSetUser(user);
+
+ /* Use getpass() to ask for the password... */
+  return (getpass("Password: "));
+}
+
+...
+
+cupsSetPasswordCB(my_password_cb);
+</PRE></UL>
+
+<P>Similarly, a GUI interface could display the prompt string in a
+window with input fields for the username and password. The username
+should probably default to the value of
+<A HREF="#cupsUser"><CODE>cupsUser()</CODE></A> to make things easier
+on the user.
+
+<H2>PPD Services</H2>
+
+<P>CUPS includes functions to access and manipulate PostScript Printer
+Description ("PPD") files that are used with the printer drivers in CUPS.
+
+<P>Each PPD file enumerates the available features provided by a
+printer, including conflict information for specific options (e.g.
+can't duplex output on envelopes.)
+
+<H3>Include Files</H3>
+
+<P>Include the <CODE>&lt;cups/ppd.h&gt;</CODE> header file to use the PPD
+functions:
+
+<UL><PRE>
+#include &lt;cups/ppd.h&gt;
+</PRE></UL>
+
+<P>This header file is also included by the
+<CODE>&lt;cups/cups.h&gt;</CODE> header file.
+
+<H3>Getting a PPD File for a Printer</H3>
+
+<P>The <CODE>cupsGetPPD()</CODE> function retrieves the PPD file for the
+named printer or class:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+const char *filename;
+
+filename = cupsGetPPD("<I>name</I>");
+</PRE></UL>
+
+<P>The <CODE>name</CODE> string is the name of the printer or class, including
+the remote server name as appropriate (e.g. "printer@server".)
+
+<P>The return value is a pointer to a filename in static storage; this value
+is overwritten with each call to <CODE>cupsGetPPD()</CODE>. If the printer
+or class does not exist, a <CODE>NULL</CODE> pointer will be returned.
+
+<H3>Loading a PPD File</H3>
+
+<P>The <CODE>ppdOpenFile()</CODE> function "opens" a PPD file and loads it
+into memory:
+
+<UL><PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+
+ppd = ppdOpenFile("<I>filename</I>");
+</PRE></UL>
+
+<P>The <CODE>filename</CODE> string is the name of the file to load, such as
+the value returned by the <CODE>cupsGetPPD()</CODE> function.
+
+<P>The return value is a pointer to a structure describing the contents of the
+PPD file or NULL if the PPD file could not be read.
+
+<H3>Freeing PPD File Information</H3>
+
+<P>Once you are done using a PPD file, call the <CODE>ppdClose()</CODE> function
+to free all memory that has been used:
+
+<UL><PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+
+...
+
+ppdClose(ppd);
+</PRE></UL>
+
+<H3>The PPD File Structure</H3>
+
+<P>Each PPD file contains a number of capability attributes, printer options,
+and conflict definitions. The page size options also include the physical
+margins for the printer and the minimum and maximum sizes for the printer.
+All of this information is stored in the <CODE>ppd_file_t</CODE> structure.
+
+<H4>Capabilities</H4>
+
+<P>Each PPD file contains a number of informational attributes that
+describe the capabilities of the printer. These are provided in the
+<CODE>ppd_file_t</CODE> structure in the following members:
+
+<CENTER><TABLE WIDTH="80%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD><CODE>accurate_screens</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>1 = supports accurate screens</TD>
+</TR>
+<TR>
+	<TD><CODE>color_device</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>1 = color device</TD>
+</TR>
+<TR>
+	<TD><CODE>colorspace</CODE></TD>
+	<TD><CODE>ppd_cs_t</CODE></TD>
+	<TD>Default colorspace: PPD_CS_CMYK, PPD_CS_CMY, PPD_CS_GRAY,
+	PPD_CS_RGB, PPD_CS_RGBK, PPD_CS_N</TD>
+</TR>
+<TR>
+	<TD><CODE>contone_only</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>1 = printer is continuous tone only</TD>
+</TR>
+<TR>
+	<TD><CODE>num_emulations<BR>
+	emulations</CODE></TD>
+	<TD><CODE>int<BR>
+	ppd_emul_t *</CODE></TD>
+	<TD>Emulations supported by the printer</TD>
+</TR>
+<TR>
+	<TD><CODE>flip_duplex</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>1 = need to flip odd pages when duplexing</TD>
+</TR>
+<TR>
+	<TD><CODE>num_fonts<BR>
+	fonts</CODE></TD>
+	<TD><CODE>int<BR>
+	char **</CODE></TD>
+	<TD>The fonts available on the printer.</TD>
+</TR>
+<TR>
+	<TD><CODE>jcl_begin<BR>
+	jcl_ps<BR>
+	jcl_end</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>Job Control Language commands for PostScript output</TD>
+</TR>
+<TR>
+	<TD><CODE>landscape</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>Landscape orientation, -90 or 90 degrees</TD>
+</TR>
+<TR>
+	<TD><CODE>lang_encoding</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The character used for the option strings</TD>
+</TR>
+<TR>
+	<TD><CODE>lang_version</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The language used for the options strings (English, French, etc.)</TD>
+</TR>
+<TR>
+	<TD><CODE>language_level</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>PostScript language level, 1 to 3</TD>
+</TR>
+<TR>
+	<TD><CODE>manual_copies</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>1 = Copies are done manually</TD>
+</TR>
+<TR>
+	<TD><CODE>model_number</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>Driver-specific model number.</TD>
+</TR>
+<TR>
+	<TD><CODE>patches</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>Patch commands to send to the printer</TD>
+</TR>
+<TR>
+	<TD><CODE>manufacturer</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The Manufacturer attribute from the PPD file, if any</TD>
+</TR>
+<TR>
+	<TD><CODE>modelname</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The ModelName attribute from the PPD file</TD>
+</TR>
+<TR>
+	<TD><CODE>nickname</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The NickName attribute from the PPD file, if any</TD>
+</TR>
+<TR>
+	<TD><CODE>product</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The Product attribute from the PPD file, if any</TD>
+</TR>
+<TR>
+	<TD><CODE>shortnickname</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The ShortNickName attribute from the PPD file, if any</TD>
+</TR>
+<TR>
+	<TD><CODE>throughput</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>Number of pages per minute</TD>
+</TR>
+<TR>
+	<TD><CODE>ttrasterizer</CODE></TD>
+	<TD><CODE>char *</CODE></TD>
+	<TD>The TruType font rasterizer (Type42)</TD>
+</TR>
+<TR>
+	<TD><CODE>variable_sizes</CODE></TD>
+	<TD><CODE>int</CODE></TD>
+	<TD>1 = supports variable sizes</TD>
+</TR>
+</TABLE></CENTER>
+
+<H4>Options and Groups</H4>
+
+<P>PPD files support multiple options, which are stored in
+<CODE>ppd_option_t</CODE> and <CODE>ppd_choice_t</CODE> structures by
+the PPD functions.
+
+<P>Each option in turn is associated with a group
+stored in the <CODE>ppd_group_t</CODE> structure. Groups can be
+specified in the PPD file; if an option is not associated with a group
+then it is put in a "General" or "Extra" group depending on the option.
+
+<P>Groups can also have sub-groups; CUPS currently limits the depth of
+sub-groups to 1 level to reduce programming complexity.
+
+<H4>Conflicts</H4>
+
+<P>PPD files support specification of conflict conditions between
+different options. Conflicts are stored in <CODE>ppd_conflict_t</CODE>
+structures which specify the options that conflict with each other.
+
+<H4>Page Sizes</H4>
+
+<P>PPD files specify all of the available pages sizes and the physical
+margins associated with them. These sizes are stored in
+<CODE>ppd_size_t</CODE> structures and are available in the
+<CODE>num_sizes</CODE> and <CODE>sizes</CODE> members of the
+<CODE>ppd_file_t</CODE> structure. You can lookup a particular page size
+with the <CODE>ppdPageWidth()</CODE>, <CODE>ppdPageLength()</CODE>, and
+<CODE>ppdPageSize()</CODE> functions:
+
+<UL><PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+ppd_size_t *size;
+float      width;
+float      length;
+
+...
+
+size   = ppdPageSize(ppd, "<I>size</I>");
+width  = ppdPageWidth(ppd, "<I>size</I>");
+length = ppdPageLength(ppd, "<I>size</I>");
+</PRE></UL>
+
+<P>The <CODE>size</CODE> string is the named page size option. The
+width and length are in points; there are 72 points per inch. The
+<CODE>ppd_size_t</CODE> structure contains the width, length, and
+margin information:
+
+<UL><PRE>
+typedef struct    /**** Page Sizes ****/
+{
+  int   marked;   /* Page size selected? */
+  char  name[41]; /* Media size option */
+  float width,    /* Width of media in points */
+        length,   /* Length of media in points */
+        left,     /* Left printable margin in points */
+        bottom,   /* Bottom printable margin in points */
+        right,    /* Right printable margin in points */
+        top;      /* Top printable margin in points */
+} ppd_size_t;
+</PRE></UL>
+
+<H4>Custom Page Sizes</H4>
+
+<P>Besides the standard page sizes listed in a PPD file, some printers
+support variable or custom page sizes. If <CODE>variables_sizes</CODE>
+is non-zero, the <CODE>custom_min</CODE>, <CODE>custom_max</CODE>, and
+<CODE>custom_margins</CODE> members of the <CODE>ppd_file_t</CODE>
+structure define the limits of the variable sizes.
+
+<P>To get the resulting media size, use a page size string of
+<CODE>Custom.<I>width</I>x<I>length</I></CODE>, where <CODE>width</CODE>
+and <CODE>length</CODE> are integer values in points:
+
+<UL><PRE>
+Custom.612x792   [8.5 inches wide, 11 inches long]
+Custom.1224x792  [17 inches wide, 11 inches long]
+</PRE></UL>
+
+<H3>Marking Options</H3>
+
+<P>Before marking any user-defined options, call the <CODE>ppdMarkDefaults()</CODE>
+function to mark the default options from the PPD file:
+
+<UL><PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+
+...
+
+ppdMarkDefaults(ppd);
+</PRE></UL>
+
+<P>Then call the <CODE>ppdMarkOption()</CODE> function to mark individual
+options:
+
+<UL><PRE>
+#include &lt;cups/ppd.h&gt;
+
+...
+
+ppd_file_t *ppd;
+int        conflicts;
+
+...
+
+conflicts = ppdMarkOption(ppd, "<I>name</I>", "<I>value</I>");
+</PRE></UL>
+
+<P>The <CODE>name</CODE> and <CODE>value</CODE> strings choose a
+particular option and choice, respectively. The return value is 0
+if there are not conflicts created by the selection.
+
+<P>CUPS also provides a convenience function for marking all options
+in the <CODE>cups_option_t</CODE> structure:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+ppd_file_t    *ppd;
+int           num_options;
+cups_option_t *options;
+int           conflicts;
+
+...
+
+conflicts = cupsMarkOptions(ppd, num_options, options);
+</PRE></UL>
+
+<P>The <CODE>cupsMarkOptions()</CODE> function also handles mapping the
+IPP job template attributes to PPD options. The return value is the number
+of conflicts present.
+
+<H3>Checking for Conflicts</H3>
+
+<P>The <CODE>ppdMarkOption()</CODE> and <CODE>cupsMarkOptions()</CODE>
+functions return the number of conflicts with the currently marked options.
+
+<P>Call the <CODE>ppdConflicts()</CODE> function to get the number of
+conflicts after you have marked all of the options:
+
+<UL><PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+ppd_file_t *ppd;
+int        conflicts;
+
+...
+
+conflicts = ppdConflicts(ppd);
+</PRE></UL>
+
+<P>The return value is the number of conflicting options, or 0 if there
+are no conflicts.
+
+
+<H1 ALIGN="RIGHT"><A NAME="WRITING_FILTERS">3 - Writing Filters</A></H1>
+
+<P>This chapter describes how to write a file filter for CUPS.
+
+<H2>Overview</H2>
+
+<P>File filters are programs that convert from one or more MIME types to
+another type. Filters use a common command-line and environment interface
+that allows them to be joined as needed to print files to any type of
+printer.
+
+<H3>Security Considerations</H3>
+
+<P>Filters are normally run as a non-priviledged user, so the major
+security consideration is resource utilization - filters should not
+depend on unlimited amounts of memory and disk space.
+
+<H3>Users and Groups</H3>
+
+<P>The default CUPS configuration runs filters as user "lp" and group "other".
+
+<H3>Temporary Files</H3>
+
+<P>Temporary files should be created in the directory specified by the
+"TMPDIR" environment variable. The
+<A HREF="#cupsTempFile"><CODE>cupsTempFile()</CODE></A> function can be
+used to safely choose temporary files in this directory.
+
+<H3>Sending Messages to the User</H3>
+
+<P>The CUPS scheduler collects messages sent to the standard error file
+by the filter. These messages are relayed to the user based upon the
+scheduler <CODE>LogLevel</CODE> directive.
+
+<P>The type of message is determined by an initial prefix sent on each
+line:
+
+<UL>
+
+	<LI><CODE>DEBUG:</CODE> - a debug message
+
+	<LI><CODE>INFO:</CODE> - an informational message
+
+	<LI><CODE>WARNING:</CODE> - a warning message
+
+	<LI><CODE>ERROR:</CODE> - an error message
+
+	<LI><CODE>PAGE:</CODE> - a page accounting message
+
+</UL>
+
+<P>If the line of text does not begin with any of the above prefixes, it
+is treated as a debug message. Text following the prefix is copied to the
+<CODE>printer-state-message</CODE> attribute for the printer, and also
+added to the <VAR>error_log</VAR> unless it is an informational or page
+accounting message.
+
+<H3>Page Accounting</H3>
+
+<P>Page accounting messages are used to inform the server when one or more
+pages are printed. Each line has the form:
+
+<UL><PRE>
+PAGE: page-number copy-count
+</PRE></UL>
+
+<P>The <I>page-number</I> field is the current page number, starting at 1.
+The <I>copy-count</I> field specifies the number of copies of that page
+that was produced.
+
+<P>Page account messages are added to the <VAR>page_log</VAR> file and
+cause the <CODE>job-sheets-completed</CODE> attribute to be updated for
+the job.
+
+<H3>Command-Line Arguments</H3>
+
+<P>Every filter accepts exactly 6 or 7 command-line arguments:
+
+<UL><PRE>
+printer job user title copies options [filename]
+</PRE>
+
+	<LI><CODE>printer</CODE> - The name of the printer queue (normally
+	this is the name of the program being run)
+
+	<LI><CODE>job</CODE> - The numeric job ID for the job being
+	printed
+
+	<LI><CODE>user</CODE> - The string from the
+	<CODE>originating-user-name</CODE> attribute
+
+	<LI><CODE>title</CODE> - The string from the
+	<CODE>job-name</CODE> attribute
+
+	<LI><CODE>copies</CODE> - The numeric value from the
+	<CODE>number-copies</CODE> attribute
+
+	<LI><CODE>options</CODE> - String representations of the
+	job template attributes, separated by spaces. Boolean attributes
+	are provided as "name" for true values and "noname" for false
+	values. All other attributes are provided as "name=value" for
+	single-valued attributes and "name=value1,value2,...,valueN" for
+	set attributes
+
+	<LI><CODE>filename</CODE> - The request file
+
+</UL>
+
+<P>The <I>filename</I> argument is only provided to the first filter in the
+chain; all filters <B>must</B> be prepared to read the print file from
+the standard input if the <I>filename</I> argument is omitted.
+
+<H3>Copy Generation</H3>
+
+<P>The <I>copies</I> argument specifies the number of copies to produce
+of the input file. In general, you should only generate copies if the
+<I>filename</I> argument is supplied. The only exception to this are
+filters that produce device-independent PostScript output (without any
+printer commands from the printer's PPD file), since the PostScript
+filter <CODE>pstops</CODE> is responsible for copy generation.
+
+<H3>Environment Variables</H3>
+
+<P>Every filter receives a fixed set of environment variables that can
+be used by the filter:
+
+<UL>
+
+	<LI><CODE>CHARSET</CODE> - The character set used by the client for
+	this print file
+
+	<LI><CODE>CONTENT_TYPE</CODE> - The original document type, such as
+	"application/postscript"
+
+	<LI><CODE>CUPS_DATADIR</CODE> - The location of CUPS data files
+
+	<LI><CODE>CUPS_SERVERROOT</CODE> - The location of CUPS configuration
+	files
+
+	<LI><CODE>DEVICE_URI</CODE> - The output device URI
+
+	<LI><CODE>LANG</CODE> - The language used by the client for
+	this print file
+
+	<LI><CODE>PATH</CODE> - The execution path exported to the filter
+
+	<LI><CODE>PPD</CODE> - The full filename of the printer's PPD file
+
+	<LI><CODE>PRINTER</CODE> - The name of the printer queue
+
+	<LI><CODE>RIP_CACHE</CODE> - The maximum amount of memory each filter
+	should use
+
+	<LI><CODE>SOFTWARE</CODE> - The name of the CUPS software, typically
+	"CUPS/1.1"
+
+	<LI><CODE>TZ</CODE> - The local timezone
+
+	<LI><CODE>USER</CODE> - The name of the current user
+
+</UL>
+
+<H2>Dissecting the HP-GL/2 Filter</H2>
+
+<P>The HP-GL/2 filter (<CODE>hpgltops</CODE>) provided with CUPS is a
+complex program that converts HP-GL/2 files into device-independent PostScript
+output. Since it produces device-independent PostScript output, it does not
+need to handle copy generation or writing printer options from the printer's
+PPD file.
+
+<H3>Initializing the Filter</H3>
+
+<P>The first task of any filter is to ensure that the correct number of
+command-line arguments are present:
+
+<UL><PRE>
+if (argc &lt; 6 || argc > 7)
+{
+  fputs("ERROR: hpgltops job-id user title copies options [file]\n", stderr);
+  return (1);
+}
+</PRE></UL>
+
+<P>After this you open the print file or read from the standard input
+as needed:
+
+<UL><PRE>
+FILE *fp;
+
+/*
+ * If we have 7 arguments, print the file named on the command-line.
+ * Otherwise, send stdin instead...
+ */
+
+if (argc == 6)
+  fp = stdin;
+else
+{
+ /*
+  * Try to open the print file...
+  */
+
+  if ((fp = fopen(argv[6], "rb")) == NULL)
+  {
+    perror("ERROR: unable to open print file - ");
+    return (1);
+  }
+}
+</PRE></UL>
+
+<P>Once the print file has been opened, options can be processed using
+the <A HREF="#cupsParseOptions"><CODE>cupsParseOptions()</CODE></A> and
+<A HREF="#cupsGetOption"><CODE>cupsGetOption()</CODE></A> functions:
+
+<UL><PRE>
+int           num_options;
+cups_option_t *options;
+const char    *val;
+
+/*
+ * Process command-line options and write the prolog...
+ */
+
+options     = NULL;
+num_options = cupsParseOptions(argv[5], 0, &options);
+
+if ((val = cupsGetOption("blackplot", num_options, options)) != NULL)
+  shading = 0;
+
+if ((val = cupsGetOption("fitplot", num_options, options)) != NULL)
+  FitPlot = 1;
+
+if ((val = cupsGetOption("penwidth", num_options, options)) != NULL)
+  PenWidth = (float)atoi(val) * 0.001f;
+</PRE></UL>
+
+<P>After the options have been processed, the filter writes PostScript code
+to the standard output based on the print file, closes the print file (as
+needed), and returns 0 to the scheduler.
+
+<H2>PostScript Output</H2>
+
+<P>Filters that produce PostScript output must generate output conforming
+to the Adobe Document Structuring Conventions, 3.0. In general this means
+the beginning of each file must begin with:
+
+<UL><PRE>
+%!PS-Adobe-3.0
+%%BoundingBox: left bottom right top
+%%Pages: (atend)
+%%EndComments
+</PRE></UL>
+
+<P>The <I>left</I>, <I>bottom</I>, <I>right</I>, and <I>top</I> values
+are integers in points from the lower-lefthand corner of the page.
+
+<P>Pages must be surrounded by:
+
+<UL><PRE>
+%%Page: number number
+gsave
+...
+grestore
+showpage
+</PRE></UL>
+
+<P>And the end of each file must contain:
+
+<UL><PRE>
+%%Trailer
+%%Pages: number-pages
+%%EOF
+</PRE></UL>
+
+<P>These comments allow the PostScript filter to correctly perform page
+accounting, copy generation, N-up printing, and so forth.
+
+<H1 ALIGN="RIGHT"><A NAME="WRITING_DRIVERS">4 - Writing Printer Drivers</A></H1>
+
+<P>This chapter discusses how to write a printer driver, which is a
+special filter program that converts CUPS raster data into the
+appropriate commands and data required for a printer.
+
+<H2>Overview</H2>
+
+<P>Raster printers utilitize PPD files that specify one or more
+device-specific filters that handle converting print files for the
+printer. The simplest raster printer drivers provide a single filter
+that converts CUPS raster data to the printer's native format.
+
+<H3>CUPS Raster Data</H3>
+
+<P>CUPS raster data (<CODE>application/vnd.cups-raster</CODE>) consists of
+a stream of raster page descriptions produced by one of the RIP filters,
+such as <CODE>pstoraster</CODE> or <CODE>imagetoraster</CODE>.
+
+<P>Each page of data begins with a page dictionary structure called
+<A HREF="#cups_raster_header_t"><CODE>cups_raster_header_t</CODE></A>. This
+structure contains the colorspace, bits per color, media size, media type,
+hardware resolution, and so forth.
+
+<P>After the page dictionary comes the page data which is a full-resolution,
+uncompressed bitmap representing the page in the printer's output colorspace.
+
+<H3>Page Accounting</H3>
+
+<P>Printer drivers must handle all page accounting. This means they must
+send "PAGE:" messages to the standard error file for each page (and in many
+cases, copy) sent to the printer.
+
+<H3>Color Management</H3>
+
+<P>Printer drivers can implement their color management via the
+<CODE>cupsColorProfile</CODE> attributes in the PPD file or internally
+in the driver from a device-independent colorspace. In general, color
+management performed by the RIP filters is more efficient than that
+performed inside printer drivers.
+
+<P>For example, the <CODE>pstoraster</CODE> filter often only has to
+perform a color conversion once each time the color is used for
+multiple output pixels, while the raster filter must convert every
+pixel on the page.
+
+<H3>Device and Bitmap Variables</H3>
+
+<P>Besides the standard PostScript page device dictionary variables defined
+in the Adobe PostScript Level 3 reference manual, the CUPS filters support
+additional variables that are passed in the page device dictionary header for
+the page and in some cases control the type of raster data that is generated:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Variable</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>cupsWidth</TD>
+	<TD>read-only integer</TD>
+	<TD>Width of bitmap in pixels</TD>
+</TR>
+<TR>
+	<TD>cupsHeight</TD>
+	<TD>read-only integer </TD>
+	<TD>Height of bitmap in pixels</TD>
+</TR>
+<TR>
+	<TD>cupsMediaType</TD>
+	<TD>read-write integer</TD>
+	<TD>Device-specific media type code</TD>
+</TR>
+<TR>
+	<TD>cupsBitsPerColor</TD>
+	<TD>read-write integer</TD>
+	<TD>Number of bits per color; 1, 2, 4, and 8 are currently
+	supported</TD>
+</TR>
+<TR>
+	<TD>cupsBitsPerPixel</TD>
+	<TD>read-only integer </TD>
+	<TD>Number of bits per pixel; 1 to 32</TD>
+</TR>
+<TR>
+	<TD>cupsBytesPerLine</TD>
+	<TD>read-only integer</TD>
+	<TD>Number of bytes per line of raster graphics</TD>
+</TR>
+<TR>
+	<TD>cupsColorOrder</TD>
+	<TD>read-write enum</TD>
+	<TD>The order of color values in the bitmap:
+	<UL>
+		<LI><CODE>CUPS_ORDER_CHUNKED</CODE> - CMYK&nbsp;CMYK&nbsp;CMYK
+		<LI><CODE>CUPS_ORDER_BANDED</CODE> - CCC&nbsp;MMM&nbsp;YYY&nbsp;KKK
+		<LI><CODE>CUPS_ORDER_PLANAR</CODE> - CCC&nbsp;...&nbsp;MMM&nbsp;...&nbsp;YYY&nbsp;...&nbsp;KKK&nbsp;...
+	</UL>
+	</TD>
+</TR>
+<TR>
+	<TD>cupsColorSpace</TD>
+	<TD>read-write enum</TD>
+	<TD>The colorspace of the bitmap:
+	<UL>
+		<LI><CODE>CUPS_CSPACE_W</CODE> - White (luminance)
+		<LI><CODE>CUPS_CSPACE_RGB</CODE> - Red, green, blue
+		<LI><CODE>CUPS_CSPACE_RGBA</CODE> - Red, green, blue, alpha
+		<LI><CODE>CUPS_CSPACE_K</CODE> - Black
+		<LI><CODE>CUPS_CSPACE_CMY</CODE> - Cyan, magenta, yellow
+		<LI><CODE>CUPS_CSPACE_YMC</CODE> - Yellow, magenta, cyan
+		<LI><CODE>CUPS_CSPACE_CMYK</CODE> - Cyan, magenta, yellow, black
+		<LI><CODE>CUPS_CSPACE_YMCK</CODE> - Yellow, magenta, cyan, black
+		<LI><CODE>CUPS_CSPACE_KCMY</CODE> - Black, cyan, magenta, yellow
+		<LI><CODE>CUPS_CSPACE_KCMYcm</CODE> - Black, cyan, magenta, yellow,
+		light cyan, light magenta
+		<LI><CODE>CUPS_CSPACE_GMCK</CODE> - Metallic yellow (gold), metallic magenta,
+		metallic cyan, black
+		<LI><CODE>CUPS_CSPACE_GMCS</CODE> - Metallic yellow (gold), metallic magenta,
+		metallic cyan, metallic grey (silver)
+		<LI><CODE>CUPS_CSPACE_WHITE</CODE> - White pigment (black as white pigment)
+		<LI><CODE>CUPS_CSPACE_GOLD</CODE> - Gold foil (black as gold foil)
+		<LI><CODE>CUPS_CSPACE_SILVER</CODE> - Silver foil (black as silver foil)
+	</UL>
+	</TD>
+</TR>
+<TR>
+	<TD>cupsCompression</TD>
+	<TD>read-write integer</TD>
+	<TD>Device-specific compression type code</TD>
+</TR>
+<TR>
+	<TD>cupsRowCount</TD>
+	<TD>read-write integer</TD>
+	<TD>Device-specific row count value</TD>
+</TR>
+<TR>
+	<TD>cupsRowFeed</TD>
+	<TD>read-write integer</TD>
+	<TD>Device-specific row feed value</TD>
+</TR>
+<TR>
+	<TD>cupsRowStep</TD>
+	<TD>read-write integer</TD>
+	<TD>Device-specific row step value</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>Bitmaps with a colorspace of CUPS_CSPACE_KCMYcm and more than 1 bit per
+color are transmitted to the raster driver in KCMY colorspace; the driver
+is responsible for producing the correct separation of normal and light
+cyan and magenta inks.
+
+<H2>Dissecting the HP-PCL Driver</H2>
+
+<P>The HP-PCL driver provided with CUPS (<CODE>rastertohp</CODE>) converts
+bitmap data from the raster filters into HP-PCL commands for most
+PCL-compatible printers. The actual format of the raster data is controlled
+by the PPD file being used - <VAR>deskjet.ppd</VAR> or <VAR>laserjet.ppd</VAR>.
+
+<H3>PPD Files</H3>
+
+<P>PPD files play an important part of all raster printer drivers. Options
+defined in the PPD file contain PostScript commands that control the raster
+data that is sent to the printer driver.
+
+<P>A typical CUPS printer driver will include <CODE>ColorModel</CODE>,
+<CODE>InputSlot</CODE>, <CODE>PageSize</CODE>, <CODE>PageRegion</CODE>,
+and <CODE>Resolution</CODE> options. Each option is shown using the
+standard PPD format:
+
+<UL><PRE>
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter: "&lt;&lt;
+/PageSize [612 792]
+/ImagingBBox null
+>> setpagedevice"
+*End
+*PageSize Legal/US Legal: "&lt;&lt;
+/PageSize [612 1008]
+/ImagingBBox null
+>> setpagedevice"
+*End
+*PageSize A4/A4: "&lt;&lt;
+/PageSize [595 842]
+/ImagingBBox null
+>> setpagedevice"
+*End
+*CloseUI: *PageSize
+</UL></PRE>
+
+<P>The <CODE>OpenUI</CODE> keyword specifies the new option. The first
+name is the option with an asterisk (*) in front of it. The first name is
+usually followed by a slash (/) and a human-readable version of the
+option name.
+
+<P>Every option <B>must</B> have a default value, specified using the
+<CODE>Default<I>Option</I></CODE> keyword.
+
+<P>Each option begins with the option name followed by the computer and
+human-readable values. The PostScript commands follow these inside double
+quotes. PostScript commands can be provided on a single line:
+
+<UL><PRE>
+*PageSize A4/A4: "&lt;&lt;/PageSize[595 842]/ImagingBBox null>> setpagedevice"
+</PRE></UL>
+
+<P>or broken down on separate lines using the <CODE>End</CODE> keyword to
+terminate them:
+
+<UL><PRE>
+*PageSize A4/A4: "&lt;&lt;
+/PageSize [595 842]
+/ImagingBBox null
+>> setpagedevice"
+*End
+</PRE></UL>
+
+<P>The choice of the two formats is usually esthetic. However, each line in
+a PPD file must not exceed 255 characters, so if your PostScript commands are
+long you may need to break them up on separate lines.
+
+<H3>Reading Raster Data</H3>
+
+<P>As with any filter, your printer driver should handle raster data from
+a filename specified on the command-line or from the standard input. The
+<A HREF="#cupsRasterOpen"><CODE>cupsRasterOpen()</CODE></A> function opens
+a raster stream for printing:
+
+<UL><PRE>
+int           fd;   /* File descriptor */
+cups_raster_t *ras; /* Raster stream for printing */
+
+
+/*
+ * Check for valid arguments...
+ */
+
+if (argc &lt; 6 || argc > 7)
+{
+ /*
+  * We don't have the correct number of arguments; write an error message
+  * and return.
+  */
+
+  fputs("ERROR: rastertopcl job-id user title copies options [file]\n", stderr);
+  return (1);
+}
+
+/*
+ * Open the page stream...
+ */
+
+if (argc == 7)
+{
+  if ((fd = open(argv[6], O_RDONLY)) == -1)
+  {
+    perror("ERROR: Unable to open raster file - ");
+    sleep(1);
+    return (1);
+  }
+}
+else
+  fd = 0;
+
+ras = cupsRasterOpen(fd, CUPS_RASTER_READ);
+</PRE></UL>
+
+<P>Once you have opened the raster stream you just need to read each
+page and print it:
+
+<UL><PRE>
+cups_raster_header_t header;
+int                  y;
+unsigned char        data[8192];
+
+while (cupsRasterReadHeader(ras, &amp;header))
+{
+  ... initialize the printer ...
+  for (y = header.cupsHeight; y > 0; y ++)
+  {
+    cupsRasterReadPixels(ras, data, header.cupsBytesPerLine);
+    ... send raster line to printer ...
+  }
+}
+</PRE></UL>
+
+<P>After you have processed all pages, close the raster stream and
+return:
+
+<UL><PRE>
+cupsRasterClose(ras);
+
+return (0);
+</PRE></UL>
+
+<H1 ALIGN="RIGHT"><A NAME="WRITING_BACKENDS">5 - Writing Backends</A></H1>
+
+<P>This chapter describes how to write a backend for CUPS.  Backends
+communicate directly with printers and allow printer drivers and
+filters to send data using any type of connection transparently.
+
+<H2>Overview</H2>
+
+<P>Backends are special filters that communicate with printers directly.
+They are treated slightly differently than filters, however, and have some
+unique requirements.
+
+<H3>Security Considerations</H3>
+
+<P>Backends are run as the root user, so special care must be taken to
+avoid potential security violations. In particular, remember that a backend
+will be able to manipulate disk files, devices, and other resources that
+potentially could damage a system or printer.
+
+<H3>Command-Line Arguments</H3>
+
+<P>Besides the standard filter arguments, backends are also run with no
+arguments to get a list of available devices. This discovery process is
+described later in this chapter.
+
+<H3>Copy Generation</H3>
+
+<P>Like filters, backends should send multiple copies of the print file only
+if a filename is supplied on the command-line.  Otherwise the backend should
+assume that the upstream filter has already added the necessary commands or
+data to produce the multiple copies.
+
+<H3>Page Accounting</H3>
+
+<P>Backend filters generally do not do page accounting, however they should
+at a minimum produce a single page message for each copy that is produced
+when a filename is present on the command-line. This is because the user
+selected "raw" printing and no other accounting information is possible.
+
+<H3>Exclusive Access</H3>
+
+<P>Backends that talk to local character or block devices should open the
+device file in exclusive mode (<CODE>O_EXCL</CODE>) to cooperate with other
+printers defined for the same device.
+
+<H3>Retries</H3>
+
+<P>All backends <B>must</B> retry connections to the device. This
+includes backends that talk to local character or block devices, as the
+user may define more than one printer queue pointing at the same
+physical device.
+
+<P>To prevent excess CPU utilitization, the backend should go to sleep
+for an amount of time between retries; the CUPS-supplied backends retry
+once every 30 seconds.
+
+<H2>Dissecting the Serial Port Backend</H2>
+
+<P>The serial port backend provides support for serial printers. Since
+it does everything a good backend needs to do, it provides an excellent
+example of what to do.
+
+<H3>Supporting Device Discovery</H3>
+
+<P>As previously noted, backends are special filter programs that talk
+to printer devices. Another task a backend must perform is to list the
+available devices it supports. The backend lists the available devices
+when no additioanl arguments are supplied on the command-line (i.e.
+just the command name...)
+
+<P>The serial backend lists devices by looking at serial port files in the
+<VAR>/dev</VAR> directory, by consulting a hardware inventory (IRIX), and
+in some cases by trying to open the ports to see if they actually exist.
+
+<P>Once it finds a serial port it writes a single line for each port to
+the standard error file. Each line looks like this:
+
+<UL><PRE>
+serial serial:/dev/ttyS0?baud=115200 "Unknown" "Serial Port 1"
+</PRE></UL>
+
+<P>The first word "serial" is the <I>device class</I>; this identifies the
+class of device which can be used to categorize it in user interfaces. CUPS
+currently recognizes the following classes:
+
+<UL>
+
+	<LI>"file" - a disk file.
+
+	<LI>"direct" - a parallel or fixed-rate serial data port,
+	currently used for Centronics, IEEE-1284, and USB printer
+	ports.
+
+	<LI>"serial" - a variable-rate serial port.
+
+	<LI>"network" - a network connection, typically via AppSocket,
+	HTTP, IPP, LPD, or SMB/CIFS protocols.
+
+</UL>
+
+<P>After the device class is the <I>device URI</I>, in this case
+"serial:/dev/ttyS0?baud=115200". This is the URI that should be used by
+the user to select this port. For serial ports, the "baud=115200"
+specifies the maximum baud rate supported by the port - the actual
+value will vary based on the speed the user selects for the printer.
+
+<P>The last two strings are the model and description for the port. The
+"Unknown" string means that the printer model is unknown - some devices
+are able to provide a make and model such as "HP DeskJet" that allows
+users and software to choose an appropriate printer driver more easily.
+Both the model and description must be enclosed inside double quotes.
+
+<H3>Opening the Serial Port</H3>
+
+<P>As noted previously, all backends should open device files in exclusive
+mode, and retry as needed until the port is available. The serial port does
+this using a <CODE>do-while</CODE> loop:
+
+<UL><PRE>
+do
+{
+  if ((fd = open(resource, O_WRONLY | O_NOCTTY | O_EXCL)) == -1)
+  {
+    if (errno == EBUSY)
+    {
+      fputs("INFO: Serial port busy; will retry in 30 seconds...\n", stderr);
+      sleep(30);
+    }
+    else
+    {
+      perror("ERROR: Unable to open serial port device file");
+      return (1);
+    }
+  }
+}
+while (fd &lt; 0);
+</PRE></UL>
+
+<P>If the port is busy or in use by another process, the backend will
+go to sleep for 30 seconds and try again. If another error is detected
+a message is sent to the user and the backend aborts the print job
+until the problem can be corrected.
+
+<H3>Writing Data to the Port</H3>
+
+<P>Network and character devices pose an interesting problem when writing
+data to the port - they may not be able to write all of the bytes in your
+buffer before returning. To work around this problem you must loop until
+all bytes have been written:
+
+<UL><PRE>
+while (nbytes > 0)
+{
+  if ((wbytes = write(fd, bufptr, nbytes)) &lt; 0)
+    if (errno == ENOTTY)
+      wbytes = write(fd, bufptr, nbytes);
+
+  if (wbytes &lt; 0)
+  {
+    perror("ERROR: Unable to send print file to printer");
+    break;
+  }
+
+  nbytes -= wbytes;
+  bufptr += wbytes;
+}
+</PRE></UL>
+
+<P>The check for the <CODE>ENOTTY</CODE> error is needed on some platforms
+to clear an error from a previous <CODE>ioctl()</CODE> call.
+
+<H3>Finishing Up</H3>
+
+<P>Once you have sent the print file, return 0 if the file printed
+successfully or 1 if it did not. This will allow the scheduler to stop
+the print job if there is a device error, preserving the print job for
+later printing once the problem has been corrected.
+
+<H1 ALIGN="RIGHT"><A NAME="LICENSE">A - Software License Agreement</A></H1>
+
+<EMBED SRC="../LICENSE.html">
+
+
+<H1 ALIGN="RIGHT"><A NAME="CONSTANTS">B - Constants</A></H1>
+
+<P>This appendix lists all of the constants that are defined by the CUPS
+API.
+
+<H2>CUPS Constants</H2>
+
+<H3>Version Number</H3>
+
+<P>The <CODE>CUPS_VERSION</CODE> constant is a floating-point number
+representing the API version number. The current version number is
+1.0100 which represents CUPS version 1.1.0.
+
+<H3>Printer Capabilities</H3>
+
+<P>The <CODE>CUPS_PRINTER</CODE> constants represent capability bits for
+printers and classes:
+
+<UL>
+
+	<LI><CODE>CUPS_PRINTER_LOCAL</CODE> - Is a local printer or class.
+
+	<LI><CODE>CUPS_PRINTER_REMOTE</CODE> - Is a remote printer or class.
+
+	<LI><CODE>CUPS_PRINTER_CLASS</CODE> - Is a class.
+
+	<LI><CODE>CUPS_PRINTER_BW</CODE> - Printer prints in black and white.
+
+	<LI><CODE>CUPS_PRINTER_COLOR</CODE> - Printer prints in color.
+
+	<LI><CODE>CUPS_PRINTER_DUPLEX</CODE> - Printer can print double-sided.
+
+	<LI><CODE>CUPS_PRINTER_STAPLE</CODE> - Printer can staple output.
+
+	<LI><CODE>CUPS_PRINTER_COPIES</CODE> - Printer can produce multiple
+	copies on its own.
+
+	<LI><CODE>CUPS_PRINTER_COLLATE</CODE> - Printer can collate copies.
+
+	<LI><CODE>CUPS_PRINTER_PUNCH</CODE> - Printer can punch holes in output.
+
+	<LI><CODE>CUPS_PRINTER_COVER</CODE> - Printer can put covers on output.
+
+	<LI><CODE>CUPS_PRINTER_BIND</CODE> - Printer can bind output.
+
+	<LI><CODE>CUPS_PRINTER_SORT</CODE> - Printer can sort output.
+
+	<LI><CODE>CUPS_PRINTER_SMALL</CODE> - Printer can print on media up
+	to 9x14 inches.
+
+	<LI><CODE>CUPS_PRINTER_MEDIUM</CODE> - Printer can print on media
+	from 9x14 to 18x24 inches.
+
+	<LI><CODE>CUPS_PRINTER_LARGE</CODE> - Printer can print on media
+	larger than 18x24 inches.
+
+	<LI><CODE>CUPS_PRINTER_VARIABLE</CODE> - Printer can print on
+	variable or custom media sizes.
+
+	<LI><CODE>CUPS_PRINTER_IMPLICIT</CODE> - Is an implicit class.
+
+	<LI><CODE>CUPS_PRINTER_OPTIONS</CODE> - All of the printer capability
+	and option bits.
+
+</UL>
+
+<H3>Encodings</H3>
+
+<P>CUPS defines the following character set encoding constants:
+
+<UL>
+
+	<LI><CODE>CUPS_US_ASCII</CODE> - US ASCII character set.
+
+	<LI><CODE>CUPS_UTF_8</CODE> - UTF-8 encoding of Unicode.
+
+	<LI><CODE>CUPS_ISO8859_1</CODE> - ISO-8859-1 character set.
+
+	<LI><CODE>CUPS_ISO8859_2</CODE> - ISO-8859-2 character set.
+
+	<LI><CODE>CUPS_ISO8859_3</CODE> - ISO-8859-3 character set.
+
+	<LI><CODE>CUPS_ISO8859_4</CODE> - ISO-8859-4 character set.
+
+	<LI><CODE>CUPS_ISO8859_5</CODE> - ISO-8859-5 character set.
+
+	<LI><CODE>CUPS_ISO8859_6</CODE> - ISO-8859-6 character set.
+
+	<LI><CODE>CUPS_ISO8859_7</CODE> - ISO-8859-7 character set.
+
+	<LI><CODE>CUPS_ISO8859_8</CODE> - ISO-8859-8 character set.
+
+	<LI><CODE>CUPS_ISO8859_9</CODE> - ISO-8859-9 character set.
+
+	<LI><CODE>CUPS_ISO8859_10</CODE> - ISO-8859-10 character set.
+
+	<LI><CODE>CUPS_ISO8859_13</CODE> - ISO-8859-13 character set.
+
+	<LI><CODE>CUPS_ISO8859_14</CODE> - ISO-8859-14 character set.
+
+	<LI><CODE>CUPS_ISO8859_15</CODE> - ISO-8859-15 character set.
+
+	<LI><CODE>CUPS_WINDOWS_874</CODE> - Windows code page 874.
+
+	<LI><CODE>CUPS_WINDOWS_1250</CODE> - Windows code page 1250.
+
+	<LI><CODE>CUPS_WINDOWS_1251</CODE> - Windows code page 1251.
+
+	<LI><CODE>CUPS_WINDOWS_1252</CODE> - Windows code page 1252.
+
+	<LI><CODE>CUPS_WINDOWS_1253</CODE> - Windows code page 1253.
+
+	<LI><CODE>CUPS_WINDOWS_1254</CODE> - Windows code page 1254.
+
+	<LI><CODE>CUPS_WINDOWS_1255</CODE> - Windows code page 1255.
+
+	<LI><CODE>CUPS_WINDOWS_1256</CODE> - Windows code page 1256.
+
+	<LI><CODE>CUPS_WINDOWS_1257</CODE> - Windows code page 1257.
+
+	<LI><CODE>CUPS_WINDOWS_1258</CODE> - Windows code page 1258.
+
+	<LI><CODE>CUPS_KOI8_R</CODE> - Russian code page koi8-r.
+
+	<LI><CODE>CUPS_KOI8_U</CODE> - Ukrainian code page koi8-r.
+
+</UL>
+
+<H2>HTTP Constants</H2>
+
+<H3>Limits</H3>
+
+<P>The following constants define the limits for strings:
+
+<UL>
+
+	<LI><CODE>HTTP_MAX_BUFFER</CODE> - Size of socket buffer.
+
+	<LI><CODE>HTTP_MAX_HOST</CODE> - Maximum length of hostname.
+
+	<LI><CODE>HTTP_MAX_URI</CODE> - Maximum length of URI.
+
+	<LI><CODE>HTTP_MAX_VALUE</CODE> - Maximum length of field values.
+
+</UL>
+
+<H3>Status Codes</H3>
+
+<P>The following status codes can be returned by <CODE>httpUpdate()</CODE>:
+
+<UL>
+
+	<LI><CODE>HTTP_ERROR</CODE> - A network error occurred
+
+	<LI><CODE>HTTP_CONTINUE</CODE> - Continue response from HTTP proxy
+
+	<LI><CODE>HTTP_OK</CODE> - OPTIONS/GET/HEAD/POST/TRACE command was successful
+
+	<LI><CODE>HTTP_CREATED</CODE> - PUT command was successful
+
+	<LI><CODE>HTTP_ACCEPTED</CODE> - DELETE command was successful
+
+	<LI><CODE>HTTP_NOT_AUTHORITATIVE</CODE> - Information isn't authoritative
+
+	<LI><CODE>HTTP_NO_CONTENT</CODE> - Successful command
+
+	<LI><CODE>HTTP_RESET_CONTENT</CODE> - Content was reset/recreated
+
+	<LI><CODE>HTTP_PARTIAL_CONTENT</CODE> - Only a partial file was recieved/sent
+
+	<LI><CODE>HTTP_MULTIPLE_CHOICES</CODE> - Multiple files match request
+
+	<LI><CODE>HTTP_MOVED_PERMANENTLY</CODE> - Document has moved permanently
+
+	<LI><CODE>HTTP_MOVED_TEMPORARILY</CODE> - Document has moved temporarily
+
+	<LI><CODE>HTTP_SEE_OTHER</CODE> - See this other link...
+
+	<LI><CODE>HTTP_NOT_MODIFIED</CODE> - File not modified
+
+	<LI><CODE>HTTP_USE_PROXY</CODE> - Must use a proxy to access this URI
+
+	<LI><CODE>HTTP_BAD_REQUEST</CODE> - Bad request
+
+	<LI><CODE>HTTP_UNAUTHORIZED</CODE> - Unauthorized to access host
+
+	<LI><CODE>HTTP_PAYMENT_REQUIRED</CODE> - Payment required
+
+	<LI><CODE>HTTP_FORBIDDEN</CODE> - Forbidden to access this URI
+
+	<LI><CODE>HTTP_NOT_FOUND</CODE> - URI was not found
+
+	<LI><CODE>HTTP_METHOD_NOT_ALLOWED</CODE> - Method is not allowed
+
+	<LI><CODE>HTTP_NOT_ACCEPTABLE</CODE> - Not Acceptable
+
+	<LI><CODE>HTTP_PROXY_AUTHENTICATION</CODE> - Proxy Authentication is Required
+
+	<LI><CODE>HTTP_REQUEST_TIMEOUT</CODE> - Request timed out
+
+	<LI><CODE>HTTP_CONFLICT</CODE> - Request is self-conflicting
+
+	<LI><CODE>HTTP_GONE</CODE> - Server has gone away
+
+	<LI><CODE>HTTP_LENGTH_REQUIRED</CODE> - A content length or encoding is required
+
+	<LI><CODE>HTTP_PRECONDITION</CODE> - Precondition failed
+
+	<LI><CODE>HTTP_REQUEST_TOO_LARGE</CODE> - Request entity too large
+
+	<LI><CODE>HTTP_URI_TOO_LONG</CODE> - URI too long
+
+	<LI><CODE>HTTP_UNSUPPORTED_MEDIATYPE</CODE> - The requested media type is unsupported
+
+	<LI><CODE>HTTP_SERVER_ERROR</CODE> - Internal server error
+
+	<LI><CODE>HTTP_NOT_IMPLEMENTED</CODE> - Feature not implemented
+
+	<LI><CODE>HTTP_BAD_GATEWAY</CODE> - Bad gateway
+
+	<LI><CODE>HTTP_SERVICE_UNAVAILABLE</CODE> - Service is unavailable
+
+	<LI><CODE>HTTP_GATEWAY_TIMEOUT</CODE> - Gateway connection timed out
+
+	<LI><CODE>HTTP_NOT_SUPPORTED</CODE> - HTTP version not supported
+
+</UL>
+
+<H3>Fields</H3>
+
+<P>The following fields are indices for each of the standard HTTP fields in
+HTTP 1/1:
+
+<UL>
+
+	<LI><CODE>HTTP_FIELD_ACCEPT_LANGUAGE</CODE> - Accept-Language
+
+	<LI><CODE>HTTP_FIELD_ACCEPT_RANGES</CODE> - Accept-Ranges
+
+	<LI><CODE>HTTP_FIELD_AUTHORIZATION</CODE> - Authorization
+
+	<LI><CODE>HTTP_FIELD_CONNECTION</CODE> - Connection
+
+	<LI><CODE>HTTP_FIELD_CONTENT_ENCODING</CODE> - Content-Encoding
+
+	<LI><CODE>HTTP_FIELD_CONTENT_LANGUAGE</CODE> - Content-Language
+
+	<LI><CODE>HTTP_FIELD_CONTENT_LENGTH</CODE> - Content-Length
+
+	<LI><CODE>HTTP_FIELD_CONTENT_LOCATION</CODE> - Content-Location
+
+	<LI><CODE>HTTP_FIELD_CONTENT_MD5</CODE> - Content-MD5
+
+	<LI><CODE>HTTP_FIELD_CONTENT_RANGE</CODE> - Content-Range
+
+	<LI><CODE>HTTP_FIELD_CONTENT_TYPE</CODE> - Content-Type
+
+	<LI><CODE>HTTP_FIELD_CONTENT_VERSION</CODE> - Content-Version
+
+	<LI><CODE>HTTP_FIELD_DATE</CODE> - Date
+
+	<LI><CODE>HTTP_FIELD_HOST</CODE> - Host
+
+	<LI><CODE>HTTP_FIELD_IF_MODIFIED_SINCE</CODE> - If-Modified-Since
+
+	<LI><CODE>HTTP_FIELD_IF_UNMODIFIED_SINCE</CODE> - If-Unmodified-Since
+
+	<LI><CODE>HTTP_FIELD_KEEP_ALIVE</CODE> - Keep-Alive
+
+	<LI><CODE>HTTP_FIELD_LAST_MODIFIED</CODE> - Last-Modified
+
+	<LI><CODE>HTTP_FIELD_LINK</CODE> - Link
+
+	<LI><CODE>HTTP_FIELD_LOCATION</CODE> - Location
+
+	<LI><CODE>HTTP_FIELD_RANGE</CODE> - Range
+
+	<LI><CODE>HTTP_FIELD_REFERER</CODE> - Referer
+
+	<LI><CODE>HTTP_FIELD_RETRY_AFTER</CODE> - Retry-After
+
+	<LI><CODE>HTTP_FIELD_TRANSFER_ENCODING</CODE> - Transfer-Encoding
+
+	<LI><CODE>HTTP_FIELD_UPGRADE</CODE> - Upgrade
+
+	<LI><CODE>HTTP_FIELD_USER_AGENT</CODE> - User-Agent
+
+	<LI><CODE>HTTP_FIELD_WWW_AUTHENTICATE</CODE> - WWW-Authenticate
+
+
+</UL>
+
+<H2>IPP Constants</H2>
+
+<H3>Limits</H3>
+
+<P>The following constants define array limits for IPP data:
+
+<UL>
+
+	<LI><CODE>IPP_MAX_NAME</CODE> - Maximum length of an attribute name
+
+	<LI><CODE>IPP_MAX_VALUES</CODE> - Maximum number of set-of values
+	that can be read in a request.
+
+</UL>
+
+<H3>Tags</H3>
+
+<UL>
+
+	<LI><CODE>IPP_TAG_ZERO</CODE> - Wildcard tag value for searches; also
+	used to separate groups of attributes
+
+	<LI><CODE>IPP_TAG_OPERATION</CODE> - Tag for values of type operation
+
+	<LI><CODE>IPP_TAG_JOB</CODE> - Tag for values of type job
+
+	<LI><CODE>IPP_TAG_END</CODE> - Tag for values of type end
+
+	<LI><CODE>IPP_TAG_PRINTER</CODE> - Tag for values of type printer
+
+	<LI><CODE>IPP_TAG_UNSUPPORTED_GROUP</CODE> - Tag for values of type unsupported_group
+
+	<LI><CODE>IPP_TAG_UNSUPPORTED_VALUE</CODE> - Tag for values of type unsupported_value
+
+	<LI><CODE>IPP_TAG_DEFAULT</CODE> - Tag for values of type default
+
+	<LI><CODE>IPP_TAG_UNKNOWN</CODE> - Tag for values of type unknown
+
+	<LI><CODE>IPP_TAG_NOVALUE</CODE> - Tag for values of type novalue
+
+	<LI><CODE>IPP_TAG_NOTSETTABLE</CODE> - Tag for values of type notsettable
+
+	<LI><CODE>IPP_TAG_DELETEATTR</CODE> - Tag for values of type deleteattr
+
+	<LI><CODE>IPP_TAG_ANYVALUE</CODE> - Tag for values of type anyvalue
+
+	<LI><CODE>IPP_TAG_INTEGER</CODE> - Tag for values of type integer
+
+	<LI><CODE>IPP_TAG_BOOLEAN</CODE> - Tag for values of type boolean
+
+	<LI><CODE>IPP_TAG_ENUM</CODE> - Tag for values of type enum
+
+	<LI><CODE>IPP_TAG_STRING</CODE> - Tag for values of type string
+
+	<LI><CODE>IPP_TAG_DATE</CODE> - Tag for values of type date
+
+	<LI><CODE>IPP_TAG_RESOLUTION</CODE> - Tag for values of type resolution
+
+	<LI><CODE>IPP_TAG_RANGE</CODE> - Tag for values of type range
+
+	<LI><CODE>IPP_TAG_COLLECTION</CODE> - Tag for values of type collection
+
+	<LI><CODE>IPP_TAG_TEXTLANG</CODE> - Tag for values of type textlang
+
+	<LI><CODE>IPP_TAG_NAMELANG</CODE> - Tag for values of type namelang
+
+	<LI><CODE>IPP_TAG_TEXT</CODE> - Tag for values of type text
+
+	<LI><CODE>IPP_TAG_NAME</CODE> - Tag for values of type name
+
+	<LI><CODE>IPP_TAG_KEYWORD</CODE> - Tag for values of type keyword
+
+	<LI><CODE>IPP_TAG_URI</CODE> - Tag for values of type uri
+
+	<LI><CODE>IPP_TAG_URISCHEME</CODE> - Tag for values of type urischeme
+
+	<LI><CODE>IPP_TAG_CHARSET</CODE> - Tag for values of type charset
+
+	<LI><CODE>IPP_TAG_LANGUAGE</CODE> - Tag for values of type language
+
+	<LI><CODE>IPP_TAG_MIMETYPE</CODE> - Tag for values of type mimetype
+
+</UL>
+
+<H3>Resolution Units</H3>
+
+<P>The <CODE>IPP_RES_PER_INCH</CODE> and <CODE>IPP_RES_PER_CM</CODE> constants
+specify dots per inch and dots per centimeter, respectively.
+
+<H3>Finishings</H3>
+
+<P>The finishing values specify special finishing operations to be
+performed on the job.
+
+<UL>
+
+	<LI><CODE>IPP_FINISH_NONE</CODE> - Do no finishing
+
+	<LI><CODE>IPP_FINISH_STAPLE</CODE> - Staple the job
+
+	<LI><CODE>IPP_FINISH_PUNCH</CODE> - Punch the job
+
+	<LI><CODE>IPP_FINISH_COVER</CODE> - Cover the job
+
+	<LI><CODE>IPP_FINISH_BIND</CODE> - Bind the job
+
+</UL>
+
+<H3>Orientations</H3>
+
+<P>The orientation values specify the orientation of the job.
+
+<UL>
+
+	<LI><CODE>IPP_PORTRAIT</CODE> - No rotation
+
+	<LI><CODE>IPP_LANDSCAPE</CODE> - 90 degrees counter-clockwise
+
+	<LI><CODE>IPP_REVERSE_LANDSCAPE</CODE> - 90 degrees clockwise
+
+	<LI><CODE>IPP_REVERSE_PORTRAIT</CODE> - 180 degrees
+
+</UL>
+
+<H3>Qualities</H3>
+
+<P>The quality values specify the desired quality of the print.
+<UL>
+
+	<LI><CODE>IPP_QUALITY_DRAFT</CODE> - Draft quality
+
+	<LI><CODE>IPP_QUALITY_NORMAL</CODE> - Normal quality
+
+	<LI><CODE>IPP_QUALITY_HIGH</CODE> - High quality
+
+</UL>
+
+<H3>Job States</H3>
+
+<P>The job state values are used to represent the current job state.
+
+<UL>
+
+	<LI><CODE>IPP_JOB_PENDING</CODE> - Job is pending
+
+	<LI><CODE>IPP_JOB_HELD</CODE> - Job is held
+
+	<LI><CODE>IPP_JOB_PROCESSING</CODE> - Job is processing
+
+	<LI><CODE>IPP_JOB_STOPPED</CODE> - Job is stopped
+
+	<LI><CODE>IPP_JOB_CANCELLED</CODE> - Job is cancelled
+
+	<LI><CODE>IPP_JOB_ABORTED</CODE> - Job is aborted
+
+	<LI><CODE>IPP_JOB_COMPLETED</CODE> - Job is completed
+
+</UL>
+
+<H3>Printer States</H3>
+
+<P>The printer state values are used to represent the current printer
+state.
+
+<UL>
+
+	<LI><CODE>IPP_PRINTER_IDLE</CODE> - Printer is idle
+
+	<LI><CODE>IPP_PRINTER_PROCESSING</CODE> - Printer is processing
+
+	<LI><CODE>IPP_PRINTER_STOPPED</CODE> - Printer is stopped
+
+</UL>
+
+<H3>Operations</H3>
+
+<P>The operation values represent the available IPP operations.
+
+<UL>
+
+	<LI><CODE>IPP_PRINT_JOB</CODE> - Print a file
+
+	<LI><CODE>IPP_PRINT_URI</CODE> - Print a URI
+
+	<LI><CODE>IPP_VALIDATE_JOB</CODE> - Validate job attributes
+
+	<LI><CODE>IPP_CREATE_JOB</CODE> - Create a new job
+
+	<LI><CODE>IPP_SEND_DOCUMENT</CODE> - Send a document to a job
+
+	<LI><CODE>IPP_SEND_URI</CODE> - Send a URI to a job
+
+	<LI><CODE>IPP_CANCEL_JOB</CODE> - Cancel a job
+
+	<LI><CODE>IPP_GET_JOB_ATTRIBUTES</CODE> - Get job attributes
+
+	<LI><CODE>IPP_GET_JOBS</CODE> - Get a list of all jobs
+
+	<LI><CODE>IPP_GET_PRINTER_ATTRIBUTES</CODE> - Get printer attributes
+
+	<LI><CODE>IPP_HOLD_JOB</CODE> - Hold a pending job
+
+	<LI><CODE>IPP_RELEASE_JOB</CODE> - Release a held job
+
+	<LI><CODE>IPP_RESTART_JOB</CODE> - Restart a completed job
+
+	<LI><CODE>IPP_PAUSE_PRINTER</CODE> - Pause a printer
+
+	<LI><CODE>IPP_RESUME_PRINTER</CODE> - Restart a paused printer
+
+	<LI><CODE>IPP_PURGE_JOBS</CODE> - Purge jobs from the queue
+
+	<LI><CODE>IPP_SET_PRINTER_ATTRIBUTES</CODE> - Set printer attributes
+
+	<LI><CODE>IPP_SET_JOB_ATTRIBUTES</CODE> - Set job attributes
+
+	<LI><CODE>IPP_GET_PRINTER_SUPPORTED_VALUES</CODE> - Get printer supported values
+
+	<LI><CODE>CUPS_GET_DEFAULT</CODE> - Get the default destination
+
+	<LI><CODE>CUPS_GET_PRINTERS</CODE> - Get a list of all printers
+
+	<LI><CODE>CUPS_ADD_PRINTER</CODE> - Add or modify a printer
+
+	<LI><CODE>CUPS_DELETE_PRINTER</CODE> - Delete a printer
+
+	<LI><CODE>CUPS_GET_CLASSES</CODE> - Get a list of all classes
+
+	<LI><CODE>CUPS_ADD_CLASS</CODE> - Add or modify a class
+
+	<LI><CODE>CUPS_DELETE_CLASS</CODE> - Delete a class
+
+	<LI><CODE>CUPS_ACCEPT_JOBS</CODE> - Accept jobs on a printer or class
+
+	<LI><CODE>CUPS_REJECT_JOBS</CODE> - Reject jobs on a printer or class
+
+	<LI><CODE>CUPS_SET_DEFAULT</CODE> - Set the default destination
+
+	<LI><CODE>CUPS_GET_DEVICES</CODE> - Get a list of all devices
+
+	<LI><CODE>CUPS_GET_PPDS</CODE> - Get a list of all PPDs
+
+	<LI><CODE>CUPS_MOVE_JOB</CODE> - Move a job to a new destination
+
+</UL>
+
+<H3>Status Codes</H3>
+
+<P>Status codes are returned by all IPP requests.
+
+<UL>
+
+	<LI><CODE>IPP_OK</CODE> - Request completed with no errors
+
+	<LI><CODE>IPP_OK_SUBST</CODE> - Request completed but some attribute
+	values were substituted
+
+	<LI><CODE>IPP_OK_CONFLICT</CODE> - Request completed but some attributes
+	conflicted
+
+	<LI><CODE>IPP_BAD_REQUEST</CODE> - The request was bad
+
+	<LI><CODE>IPP_FORBIDDEN</CODE> - You don't have access to the resource
+
+	<LI><CODE>IPP_NOT_AUTHENTICATED</CODE> - You are not authenticated for
+	the resource
+
+	<LI><CODE>IPP_NOT_AUTHORIZED</CODE> - You not authorized to access
+	the resource
+
+	<LI><CODE>IPP_NOT_POSSIBLE</CODE> - The requested operation cannot be
+	completed
+
+	<LI><CODE>IPP_TIMEOUT</CODE> - A timeout occurred
+
+	<LI><CODE>IPP_NOT_FOUND</CODE> - The resource was not found
+
+	<LI><CODE>IPP_GONE</CODE> - The resource has gone away
+
+	<LI><CODE>IPP_REQUEST_ENTITY</CODE> - The request was too large
+
+	<LI><CODE>IPP_REQUEST_VALUE</CODE> - The request contained a value
+	that was unknown to the server
+
+	<LI><CODE>IPP_DOCUMENT_FORMAT</CODE> - The document format is not
+	supported by the server
+
+	<LI><CODE>IPP_ATTRIBUTES</CODE> - Required attributes are missing
+
+	<LI><CODE>IPP_URI_SCHEME</CODE> - The URI scheme is not supported
+
+	<LI><CODE>IPP_CHARSET</CODE> - The charset is not supported
+
+	<LI><CODE>IPP_CONFLICT</CODE> - One or more attributes conflict
+
+	<LI><CODE>IPP_COMPRESSION_NOT_SUPPORTED</CODE> - The specified
+	compression is not supported
+
+	<LI><CODE>IPP_COMPRESSION_ERROR</CODE> - The compressed data
+	contained an error
+
+	<LI><CODE>IPP_DOCUMENT_FORMAT_ERROR</CODE> - The document data
+	contained an error in it
+
+	<LI><CODE>IPP_DOCUMENT_ACCESS_ERROR</CODE> - The remote document
+	could not be accessed
+
+	<LI><CODE>IPP_INTERNAL_ERROR</CODE> - The server encountered an
+	internal error
+
+	<LI><CODE>IPP_OPERATION_NOT_SUPPORTED</CODE> - The requested operation
+	is not supported
+
+	<LI><CODE>IPP_SERVICE_UNAVAILABLE</CODE> - The requested service
+	is unavailable
+
+	<LI><CODE>IPP_VERSION_NOT_SUPPORTED</CODE> - The IPP request
+	version is not supported
+
+	<LI><CODE>IPP_DEVICE_ERROR</CODE> - The output device encountered
+	an error
+
+	<LI><CODE>IPP_TEMPORARY_ERROR</CODE> - A temporary error occurred
+
+	<LI><CODE>IPP_NOT_ACCEPTING</CODE> - The destination is not accepting
+	jobs
+
+	<LI><CODE>IPP_PRINTER_BUSY</CODE> - The destination is busy
+
+	<LI><CODE>IPP_ERROR_JOB_CANCELLED</CODE> - The requested job has been
+	cancelled
+
+	<LI><CODE>IPP_MULTIPLE_JOBS_NOT_SUPPORTED</CODE> - The server
+	does not support multiple jobs
+
+</UL>
+
+<H2>PPD Constants</H2>
+
+<H3>PPD Format Version</H3>
+
+<P>The <CODE>PPD_VERSION</CODE> constant defines a floating point number
+representing the newest format version that is supported by CUPS, currently
+4.3.
+
+<H3>PPD User-Interface Types</H3>
+
+<P>Each printer option has a type associated with it:
+
+<UL>
+
+	<LI><CODE>PPD_UI_BOOLEAN</CODE> - The user can turn this option on or off
+
+	<LI><CODE>PPD_UI_PICKONE</CODE> - The user can choose one option value
+	to use.
+
+	<LI><CODE>PPD_UI_PICKMANY</CODE> - The user can choose zero or more
+	option values.
+
+</UL>
+
+<H3>PPD Sections</H3>
+
+<P>Some options must be output before others, or in different sections of
+the output document. The <CODE>ppd_section_t</CODE> enumeration defines
+which section the option must be output in:
+
+<UL>
+
+	<LI><CODE>PPD_ORDER_ANY</CODE> - The option can be output in any of
+	the document, page, or prolog sections of the document
+
+	<LI><CODE>PPD_ORDER_DOCUMENT</CODE> - The option must be output in
+	the DocumentSetup section of the document
+
+	<LI><CODE>PPD_ORDER_EXIT</CODE> - The option must be output before
+	the document
+
+	<LI><CODE>PPD_ORDER_JCL</CODE> - The option must be output in the
+	job control section of the document
+
+	<LI><CODE>PPD_ORDER_PAGE</CODE> - The option must be output in the
+	PageSetup section of the document
+
+	<LI><CODE>PPD_ORDER_PROLOG</CODE> - The option must be output in the
+	Prolog section of the document
+
+</UL>
+
+<H3>PPD Colorspaces</H3>
+
+<P>Each printer has a default colorspace:
+
+<UL>
+
+	<LI><CODE>PPD_CS_CMYK</CODE> - The printer uses CMYK colors by default
+
+	<LI><CODE>PPD_CS_CMY</CODE> - The printer uses CMY colors by default
+
+	<LI><CODE>PPD_CS_GRAY</CODE> - The printer uses grayscale by default
+
+	<LI><CODE>PPD_CS_RGB</CODE> - The printer uses RGB colors by default
+
+	<LI><CODE>PPD_CS_RGBK</CODE> - The printer uses RGBK colors by default
+
+	<LI><CODE>PPD_CS_N</CODE> - The printer uses a DeviceN colorspace
+	by default
+
+</UL>
+
+<H2>Raster Constants</H2>
+
+<H3>Raster Sync Words</H3>
+
+<P>The <CODE>CUPS_RASTER_SYNC</CODE> and <CODE>CUPS_RASTER_REVSYNC</CODE>
+constants define the standard sync words at the beginning of each CUPS
+raster file.
+
+<H3>Raster Stream Modes</H3>
+
+<P>The <CODE>CUPS_RASTER_READ</CODE> and <CODE>CUPS_RASTER_WRITE</CODE>
+constants are used with the
+<A HREF="#cupsRasterOpen"><CODE>cupsRasterOpen()</CODE></A> function to
+specify a stream for reading or writing.
+
+<H3>Raster Boolean Constants</H3>
+
+<P>The <CODE>CUPS_FALSE</CODE> and <CODE>CUPS_TRUE</CODE> constants
+represent boolean values in the page header.
+
+<H3>Raster Jog Values</H3>
+
+<P>The <CODE>cups_jog_t</CODE> enumeration defines constants for the
+Jog page device dictionary variable:
+
+<UL>
+
+	<LI><CODE>CUPS_JOG_NONE</CODE> - Do no jogging
+
+	<LI><CODE>CUPS_JOG_FILE</CODE> - Jog pages after each file
+
+	<LI><CODE>CUPS_JOG_JOB</CODE> - Jog pages after each job
+
+	<LI><CODE>CUPS_JOG_SET</CODE> - Jog pages after each set of jobs
+
+</UL>
+
+<H3>Raster Orientation Values</H3>
+
+<P>The <CODE>cups_orient_t</CODE> enumeration defines constants for the
+Orientation page device dictionary variable:
+
+<UL>
+
+	<LI><CODE>CUPS_ORIENT_0</CODE> - Portrait orientation
+
+	<LI><CODE>CUPS_ORIENT_90</CODE> - Landscape orientation
+
+	<LI><CODE>CUPS_ORIENT_180</CODE> - Reverse-portrait orientation
+
+	<LI><CODE>CUPS_ORIENT_270</CODE> - Reverse-landscape orientation
+
+</UL>
+
+<H3>Raster CutMedia Values</H3>
+
+<P>The <CODE>cups_cut_t</CODE> enumeration defines constants for the
+CutMedia page device dictionary variable:
+
+<UL>
+
+	<LI><CODE>CUPS_CUT_NONE</CODE> - Do no jogging
+
+	<LI><CODE>CUPS_CUT_FILE</CODE> - Cut pages after each file
+
+	<LI><CODE>CUPS_CUT_JOB</CODE> - Cut pages after each job
+
+	<LI><CODE>CUPS_CUT_SET</CODE> - Cut pages after each set of jobs
+
+	<LI><CODE>CUPS_CUT_PAGE</CODE> - Cut each page
+
+</UL>
+
+<H3>Raster AdvanceMedia Values</H3>
+
+<P>The <CODE>cups_advance_t</CODE> enumeration defines constants for the
+AdvanceMedia page device dictionary variable:
+
+<UL>
+
+	<LI><CODE>CUPS_ADVANCE_NONE</CODE> - Do no jogging
+
+	<LI><CODE>CUPS_ADVANCE_FILE</CODE> - Advance media after each file
+
+	<LI><CODE>CUPS_ADVANCE_JOB</CODE> - Advance media after each job
+
+	<LI><CODE>CUPS_ADVANCE_SET</CODE> - Advance media after each set of jobs
+
+	<LI><CODE>CUPS_ADVANCE_PAGE</CODE> - Advance media for each page
+
+</UL>
+
+<H3>Raster LeadingEdge Values</H3>
+
+<P>The <CODE>cups_edge_t</CODE> enumeration defines constants for the
+LeadingEdge page device dictionary variable:
+
+<UL>
+
+	<LI><CODE>CUPS_EDGE_TOP</CODE> - The top of the media is the leading
+	edge
+
+	<LI><CODE>CUPS_EDGE_RIGHT</CODE> - The right of the media is the leading
+	edge
+
+	<LI><CODE>CUPS_EDGE_BOTTOM</CODE> - The bottom of the media is the
+	leading edge
+
+	<LI><CODE>CUPS_EDGE_LEFT</CODE> - The left of the media is the leading
+	edge
+
+</UL>
+
+<H3>Raster Color Order Values</H3>
+
+<P>The <CODE>cups_order_t</CODE> enumeration defines the possible color
+value orderings:
+
+<UL>
+
+	<LI><CODE>CUPS_ORDER_CHUNKED</CODE> - CMYK&nbsp;CMYK&nbsp;CMYK
+
+	<LI><CODE>CUPS_ORDER_BANDED</CODE> - CCC&nbsp;MMM&nbsp;YYY&nbsp;KKK
+
+	<LI><CODE>CUPS_ORDER_PLANAR</CODE> - CCC&nbsp;...&nbsp;MMM&nbsp;...&nbsp;YYY&nbsp;...&nbsp;KKK&nbsp;...
+
+</UL>
+
+<H3>Raster Colorspace Values</H3>
+
+<P>The <CODE>cups_cspace_t</CODE> enumeration defines the possible colorspaces:
+
+<UL>
+
+	<LI><CODE>CUPS_CSPACE_W</CODE> - White (luminance)
+
+	<LI><CODE>CUPS_CSPACE_RGB</CODE> - Red, green, blue
+
+	<LI><CODE>CUPS_CSPACE_RGBA</CODE> - Red, green, blue, alpha
+
+	<LI><CODE>CUPS_CSPACE_K</CODE> - Black
+
+	<LI><CODE>CUPS_CSPACE_CMY</CODE> - Cyan, magenta, yellow
+
+	<LI><CODE>CUPS_CSPACE_YMC</CODE> - Yellow, magenta, cyan
+
+	<LI><CODE>CUPS_CSPACE_CMYK</CODE> - Cyan, magenta, yellow, black
+
+	<LI><CODE>CUPS_CSPACE_YMCK</CODE> - Yellow, magenta, cyan, black
+
+	<LI><CODE>CUPS_CSPACE_KCMY</CODE> - Black, cyan, magenta, yellow
+
+	<LI><CODE>CUPS_CSPACE_KCMYcm</CODE> - Black, cyan, magenta, yellow,
+	light cyan, light magenta
+
+	<LI><CODE>CUPS_CSPACE_GMCK</CODE> - Metallic yellow (gold), metallic magenta,
+	metallic cyan, black
+
+	<LI><CODE>CUPS_CSPACE_GMCS</CODE> - Metallic yellow (gold), metallic magenta,
+	metallic cyan, metallic grey (silver)
+
+	<LI><CODE>CUPS_CSPACE_WHITE</CODE> - White pigment (black as white pigment)
+
+	<LI><CODE>CUPS_CSPACE_GOLD</CODE> - Gold foil (black as gold foil)
+
+	<LI><CODE>CUPS_CSPACE_SILVER</CODE> - Silver foil (black as silver foil)
+
+</UL>
+
+<H1 ALIGN="RIGHT"><A NAME="STRUCTURES">C - Structures</A></H1>
+
+<P>This appendix describes all of the structures that are
+defined by the CUPS API.
+
+<H2>CUPS Structures</H2>
+
+<H3><A NAME="cups_dest_t">CUPS Destinations</A></H3>
+
+<P>The CUPS destination structure (<CODE>cups_dest_t</CODE>)
+contains information on a specific destination or instance:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>char *</TD>
+	<TD>The name of the printer or class.</TD>
+</TR>
+<TR>
+	<TD>instance</TD>
+	<TD>char *</TD>
+	<TD>The instance of the printer or class; NULL for the primary
+	instance.</TD>
+</TR>
+<TR>
+	<TD>is_default</TD>
+	<TD>int</TD>
+	<TD>1 if the destination is set as the default, 0 otherwise.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>int</TD>
+	<TD>The number of options associated with this destination.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD><A HREF="#cups_option_t">cups_option_t *</A></TD>
+	<TD>The options associated with this destination.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3><A NAME="cups_job_t">CUPS Jobs</A></H3>
+
+<P>The CUPS job structure (<CODE>cups_job_t</CODE>) contains
+information on a specific job:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>id</TD>
+	<TD>int</TD>
+	<TD>The job ID for this job.</TD>
+</TR>
+<TR>
+	<TD>dest</TD>
+	<TD>char *</TD>
+	<TD>The destination for this job (printer or class name).</TD>
+</TR>
+<TR>
+	<TD>title</TD>
+	<TD>char *</TD>
+	<TD>The job-name for this job (title).</TD>
+</TR>
+<TR>
+	<TD>user</TD>
+	<TD>char *</TD>
+	<TD>The job-originating-user-name for this job (username).</TD>
+</TR>
+<TR>
+	<TD>format</TD>
+	<TD>char *</TD>
+	<TD>The document-format for this job (MIME type string).</TD>
+</TR>
+<TR>
+	<TD>state</TD>
+	<TD>ipp_jstate</TD>
+	<TD>The current state of the job.</TD>
+</TR>
+<TR>
+	<TD>size</TD>
+	<TD>int</TD>
+	<TD>The size of this job in kilobytes.</TD>
+</TR>
+<TR>
+	<TD>priority</TD>
+	<TD>int</TD>
+	<TD>The priority of this job from 1 to 100 (50 is normal).</TD>
+</TR>
+<TR>
+	<TD>completed_time</TD>
+	<TD>time_t</TD>
+	<TD>The time the job was completed, or 0 if not yet completed.</TD>
+</TR>
+<TR>
+	<TD>creation_time</TD>
+	<TD>time_t</TD>
+	<TD>The time the job was queued.</TD>
+</TR>
+<TR>
+	<TD>processing_time</TD>
+	<TD>time_t</TD>
+	<TD>The time the job started printing.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3><A NAME="cups_lang_t">CUPS Messages</A></H3>
+
+<P>The CUPS messages structure (<CODE>cups_lang_t</CODE>)
+contains the character set, locale name, and messages array:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>next</TD>
+	<TD>cups_lang_t *</TD>
+	<TD>Pointer to the next messages structure in memory.</TD>
+</TR>
+<TR>
+	<TD>used</TD>
+	<TD>int</TD>
+	<TD>The number of active users of this messages structure.</TD>
+</TR>
+<TR>
+	<TD>encoding</TD>
+	<TD>cups_encoding_t</TD>
+	<TD>The character encoding of the message strings.</TD>
+</TR>
+<TR>
+	<TD>language</TD>
+	<TD>char [16]</TD>
+	<TD>The language/locale name.</TD>
+</TR>
+<TR>
+	<TD>messages</TD>
+	<TD>char *[]</TD>
+	<TD>The array of message strings.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3><A NAME="cups_option_t">CUPS Options</A></H3>
+
+<P>The CUPS option structure (<CODE>cups_option_t</CODE>)
+contains the option name and string value:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>char *</TD>
+	<TD>The name of the option.</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>char *</TD>
+	<TD>The string value of the option.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>Networking Structures</H2>
+
+<H3><A NAME="http_t">HTTP State</A></H3>
+
+<P>The HTTP state structure (<CODE>http_t</CODE>) contains the
+current state of a HTTP request or response:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>fd</TD>
+	<TD>int</TD>
+	<TD>The socket for the HTTP connection.</TD>
+</TR>
+<TR>
+	<TD>blocking</TD>
+	<TD>int</TD>
+	<TD>1 if the HTTP functions should block, 0 if not.</TD>
+</TR>
+<TR>
+	<TD>error</TD>
+	<TD>int</TD>
+	<TD>The last OS error that occurred on the socket.</TD>
+</TR>
+<TR>
+	<TD>activity</TD>
+	<TD>time_t</TD>
+	<TD>The last time the HTTP connection was used.</TD>
+</TR>
+<TR>
+	<TD>state</TD>
+	<TD>http_state_t</TD>
+	<TD>The current HTTP request/response state.</TD>
+</TR>
+<TR>
+	<TD>status</TD>
+	<TD>int</TD>
+	<TD>The last HTTP status seen.</TD>
+</TR>
+<TR>
+	<TD>version</TD>
+	<TD>http_version_t</TD>
+	<TD>The HTTP protocol version in use.</TD>
+</TR>
+<TR>
+	<TD>keep_alive</TD>
+	<TD>http_keep_alive_t</TD>
+	<TD>Whether or not to use Keep-Alive</TD>
+</TR>
+<TR>
+	<TD>hostaddr</TD>
+	<TD>struct sockaddr_in</TD>
+	<TD>The IPv4 address of the HTTP server.</TD>
+</TR>
+<TR>
+	<TD>hostname</TD>
+	<TD>char []</TD>
+	<TD>The hostname of the HTTP server.</TD>
+</TR>
+<TR>
+	<TD>fields</TD>
+	<TD>char [][]</TD>
+	<TD>The string values of all HTTP request/response
+	fields.</TD>
+</TR>
+<TR>
+	<TD>data</TD>
+	<TD>char *</TD>
+	<TD>Current byte in data buffer.</TD>
+</TR>
+<TR>
+	<TD>data_encoding</TD>
+	<TD>http_encoding_t</TD>
+	<TD>The transfer encoding for the request/response.</TD>
+</TR>
+<TR>
+	<TD>data_remaining</TD>
+	<TD>int</TD>
+	<TD>The number of bytes remaining in the current request,
+	response, or chunk.</TD>
+</TR>
+<TR>
+	<TD>used</TD>
+	<TD>int</TD>
+	<TD>The number of bytes that are used in the buffer.</TD>
+</TR>
+<TR>
+	<TD>buffer</TD>
+	<TD>char []</TD>
+	<TD>The read/write buffer.</TD>
+</TR>
+<TR>
+	<TD>auth_type</TD>
+	<TD>int</TD>
+	<TD>The type of authentication in use.</TD>
+</TR>
+<TR>
+	<TD>md5_state</TD>
+	<TD>md5_state_t</TD>
+	<TD>The current MD5 digest state.</TD>
+</TR>
+<TR>
+	<TD>nonce</TD>
+	<TD>char []</TD>
+	<TD>The nonce value for Digest authentication.</TD>
+</TR>
+<TR>
+	<TD>nonce_count</TD>
+	<TD>int</TD>
+	<TD>The nonce count value.</TD>
+</TR>
+<TR>
+	<TD>tls</TD>
+	<TD>void *</TD>
+	<TD>A pointer to private encryption data.</TD>
+</TR>
+<TR>
+	<TD>encryption</TD>
+	<TD>http_encryption_t</TD>
+	<TD>The current encryption mode.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3><A NAME="ipp_t">IPP State</A></H3>
+
+<P>The IPP state structure (<CODE>ipp_t</CODE>) contains the
+current state of a IPP request or response:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD></TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>Raster Structures</H2>
+
+<H3><A NAME="cups_raster_header_t">Raster Page Header</A></H3>
+
+<P>The raster page header (<CODE>cups_raster_header_t</CODE>)
+consists of the PostScript page device dictionary for the page:
+
+<CENTER><TABLE WIDTH="90%" BORDER="1">
+<TR>
+	<TH>Member</TH>
+	<TH>Type</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>MediaClass</TD>
+	<TD>char[64]</TD>
+	<TD>The media class name</TD>
+</TR>
+<TR>
+	<TD>MediaColor</TD>
+	<TD>char[64]</TD>
+	<TD>The media color name</TD>
+</TR>
+<TR>
+	<TD>MediaType</TD>
+	<TD>char[64]</TD>
+	<TD>The media type name</TD>
+</TR>
+<TR>
+	<TD>OutputType</TD>
+	<TD>char[64]</TD>
+	<TD>The output type name</TD>
+</TR>
+<TR>
+	<TD>AdvanceDistance</TD>
+	<TD>unsigned</TD>
+	<TD>The distance to advance the media in points</TD>
+</TR>
+<TR>
+	<TD>AdvanceMedia</TD>
+	<TD>cups_adv_t</TD>
+	<TD>When to advance the media</TD>
+</TR>
+<TR>
+	<TD>Collate</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to produce collated copies</TD>
+</TR>
+<TR>
+	<TD>CutMedia</TD>
+	<TD>cups_cut_t</TD>
+	<TD>When to cut the media</TD>
+</TR>
+<TR>
+	<TD>Duplex</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to print on both sides of the paper</TD>
+</TR>
+<TR>
+	<TD>HWResolution</TD>
+	<TD>unsigned[2]</TD>
+	<TD>The resolution of the page image in pixels per inch; the
+	HWResolution[0] represents the horizontal resolution and
+	HWResolution[1] represents the vertical resolution</TD>
+</TR>
+<TR>
+	<TD>ImagingBoundingBox</TD>
+	<TD>unsigned[4]</TD>
+	<TD>The bounding box for the page in points; the elements
+	represent the left, bottom, right, and top coordinates of the
+	imaged area (if 0 then the whole page is imaged)</TD>
+</TR>
+<TR>
+	<TD>InsertSheet</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to insert a sheet before this page</TD>
+</TR>
+<TR>
+	<TD>Jog</TD>
+	<TD>cups_jog_t</TD>
+	<TD>When to jog copies of the page</TD>
+</TR>
+<TR>
+	<TD>LeadingEdge</TD>
+	<TD>cups_edge_t</TD>
+	<TD>The leading edge of the page</TD>
+</TR>
+<TR>
+	<TD>Margins</TD>
+	<TD>unsigned[2]</TD>
+	<TD>The lower-lefthand margin of the page in points</TD>
+</TR>
+<TR>
+	<TD>ManualFeed</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to manually feed the page</TD>
+</TR>
+<TR>
+	<TD>MediaPosition</TD>
+	<TD>unsigned</TD>
+	<TD>The input slot number to use</TD>
+</TR>
+<TR>
+	<TD>MediaWeight</TD>
+	<TD>unsigned</TD>
+	<TD>The weight of the output media in grams/m<SUP>2</SUP></TD>
+</TR>
+<TR>
+	<TD>MirrorPrint</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to mirror the print</TD>
+</TR>
+<TR>
+	<TD>NegativePrint</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to invert the print</TD>
+</TR>
+<TR>
+	<TD>NumCopies</TD>
+	<TD>unsigned</TD>
+	<TD>The number of copies to produce</TD>
+</TR>
+<TR>
+	<TD>Orientation</TD>
+	<TD>cups_orient_t</TD>
+	<TD>The orientation of the page image</TD>
+</TR>
+<TR>
+	<TD>OutputFaceUp</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to output the page face up</TD>
+</TR>
+<TR>
+	<TD>PageSize</TD>
+	<TD>unsigned[2]</TD>
+	<TD>The width and height of the page in points</TD>
+</TR>
+<TR>
+	<TD>Separations</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to output separations</TD>
+</TR>
+<TR>
+	<TD>TraySwitch</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to automatically switch trays for the requested
+	media size/type</TD>
+</TR>
+<TR>
+	<TD>Tumble</TD>
+	<TD>cups_bool_t</TD>
+	<TD>Whether or not to rotate the back side of the page</TD>
+</TR>
+<TR>
+	<TD>cupsWidth</TD>
+	<TD>unsigned</TD>
+	<TD>The width of the page image in pixels</TD>
+</TR>
+<TR>
+	<TD>cupsHeight</TD>
+	<TD>unsigned</TD>
+	<TD>The height of the page image in pixels</TD>
+</TR>
+<TR>
+	<TD>cupsMediaType</TD>
+	<TD>unsigned</TD>
+	<TD>The device-specific media type code</TD>
+</TR>
+<TR>
+	<TD>cupsBitsPerColor</TD>
+	<TD>unsigned</TD>
+	<TD>The number of bits per color</TD>
+</TR>
+<TR>
+	<TD>cupsBitsPerPixel</TD>
+	<TD>unsigned</TD>
+	<TD>The number of bits per pixel</TD>
+</TR>
+<TR>
+	<TD>cupsBytesPerLine</TD>
+	<TD>unsigned</TD>
+	<TD>The number of bytes per line of image data</TD>
+</TR>
+<TR>
+	<TD>cupsColorOrder</TD>
+	<TD>cups_order_t</TD>
+	<TD>The order of color values</TD>
+</TR>
+<TR>
+	<TD>cupsColorSpace</TD>
+	<TD>cups_cspace_t</TD>
+	<TD>The type of color values</TD>
+</TR>
+<TR>
+	<TD>cupsCompression</TD>
+	<TD>unsigned</TD>
+	<TD>The device-specific compression code</TD>
+</TR>
+<TR>
+	<TD>cupsRowCount</TD>
+	<TD>unsigned</TD>
+	<TD>The device-specific row count</TD>
+</TR>
+<TR>
+	<TD>cupsRowFeed</TD>
+	<TD>unsigned</TD>
+	<TD>The device-specific row feed</TD>
+</TR>
+<TR>
+	<TD>cupsRowStep</TD>
+	<TD>unsigned</TD>
+	<TD>The device-specific row step</TD>
+</TR>
+</TABLE></CENTER>
+
+<H1 ALIGN="RIGHT"><A NAME="FUNCTIONS">D - Functions</A></H1>
+
+<P>This appendix provides a reference for all of the CUPS API functions.
+
+<!-- NEW PAGE --><H2><A NAME="cupsAddOption">cupsAddOption()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsAddOption(const char *name,
+              const char *value,
+              int num_options,
+	      cups_option_t **options);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the option.</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>The value of the option.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>Number of options currently in the array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>Pointer to the options array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The new number of options.
+
+<H3>Description</H3>
+
+<P><CODE>cupsAddOption()</CODE> adds an option to the specified array.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups.h&gt;
+
+...
+
+/* Declare the options array */
+int           num_options;
+<A HREF="#cups_option_t">cups_option_t</A> *options;
+
+/* Initialize the options array */
+num_options = 0;
+options     = (cups_option_t *)0;
+
+/* Add options using cupsAddOption() */
+num_options = cupsAddOption("media", "letter", num_options, &amp;options);
+num_options = cupsAddOption("resolution", "300dpi", num_options, &amp;options);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsFreeOptions"><CODE>cupsFreeOptions()</CODE></A>,
+<A HREF="#cupsGetOption"><CODE>cupsGetOption()</CODE></A>,
+<A HREF="#cupsParseOptions"><CODE>cupsParseOptions()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsCancelJob">cupsCancelJob()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsCancelJob(const char *dest,
+              int job);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>dest</TD>
+	<TD>Printer or class name</TD>
+</TR>
+<TR>
+	<TD>job</TD>
+	<TD>Job ID</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>1 on success, 0 on failure. On failure the error can be found by calling
+<A HREF="#cupsLastError"><CODE>cupsLastError()</CODE></A>.
+
+<H3>Description</H3>
+
+<P><CODE>cupsCancelJob()</CODE> cancels the specifies job.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups.h&gt;
+
+cupsCancelJob("LaserJet", 1);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLastError"><CODE>cupsLastError()</CODE></A>,
+<A HREF="#cupsPrintFile"><CODE>cupsPrintFile()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsDoFileRequest">cupsDoFileRequest()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_t *
+cupsDoFileRequest(http_t *http,
+                  ipp_t *request,
+                  const char *resource,
+		  const char *filename);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>HTTP connection to server.</TD>
+</TR>
+<TR>
+	<TD>request</TD>
+	<TD>IPP request data.</TD>
+</TR>
+<TR>
+	<TD>resource</TD>
+	<TD>HTTP resource name for POST.</TD>
+</TR>
+<TR>
+	<TD>filename</TD>
+	<TD>File to send with POST request (<CODE>NULL</CODE> pointer if none.)</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>IPP response data or <CODE>NULL</CODE> if the request fails. On failure
+the error can be found by calling
+<A HREF="#cupsLastError"><CODE>cupsLastError()</CODE></A>.
+
+<H3>Description</H3>
+
+<P><CODE>cupsDoFileRequest()</CODE> does a HTTP POST request and provides the
+IPP request and optionally the contents of a file to the IPP server. It also
+handles resubmitting the request and performing password authentication as
+needed.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups.h&gt;
+
+<A HREF="#http_t">http_t</A>      *http;
+<A HREF="#cups_lang_t">cups_lang_t</A> *language;
+<A HREF="#ipp_t">ipp_t</A>       *request;
+ipp_t       *response;
+
+...
+
+/* Get the default language */
+language = <A HREF="#cupsLangDefault">cupsLangDefault()</A>;
+
+/* Create a new IPP request */
+request  = <A HREF="#ippNew">ippNew()</A>;
+
+request-&gt;request.op.operation_id = IPP_PRINT_FILE;
+request-&gt;request.op.request_id   = 1;
+
+/* Add required attributes */
+<A HREF="#ippAddString">ippAddString</A>(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+             "attributes-charset", NULL, <A HREF="#cupsLangEncoding">cupsLangEncoding</A>(language));
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+             "attributes-natural-language", NULL,
+             language != NULL ? language-&gt;language : "C");
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+             NULL, "ipp://hostname/resource");
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+             NULL, <A HREF="#cupsUser">cupsUser()</A>);
+
+/* Do the request... */
+response = cupsDoFileRequest(http, request, "/resource", "filename.txt");
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault"><CODE>cupsLangDefault()</CODE></A>,
+<A HREF="#cupsLangEncoding"><CODE>cupsLangEncoding()</CODE></A>,
+<A HREF="#cupsUser"><CODE>cupsUser()</CODE></A>,
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippNew"><CODE>ippNew()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsDoRequest">cupsDoRequest()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_t *
+cupsDoRequest(http_t *http,
+              ipp_t *request,
+              const char *resource);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>HTTP connection to server.</TD>
+</TR>
+<TR>
+	<TD>request</TD>
+	<TD>IPP request data.</TD>
+</TR>
+<TR>
+	<TD>resource</TD>
+	<TD>HTTP resource name for POST.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>IPP response data or <CODE>NULL</CODE> if the request fails. On failure
+the error can be found by calling
+<A HREF="#cupsLastError"><CODE>cupsLastError()</CODE></A>.
+
+<H3>Description</H3>
+
+<P><CODE>cupsDoRequest()</CODE> does a HTTP POST request and provides
+the IPP request to the IPP server. It also handles resubmitting the
+request and performing password authentication as needed.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups.h&gt;
+
+<A HREF="#http_t">http_t</A>      *http;
+<A HREF="#cups_lang_t">cups_lang_t</A> *language;
+<A HREF="#ipp_t">ipp_t</A>       *request;
+ipp_t       *response;
+
+...
+
+/* Get the default language */
+language = <A HREF="#cupsLangDefault">cupsLangDefault()</A>;
+
+/* Create a new IPP request */
+request  = <A HREF="#ippNew">ippNew()</A>;
+
+request-&gt;request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+request-&gt;request.op.request_id   = 1;
+
+/* Add required attributes */
+<A HREF="#ippAddString">ippAddString</A>(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+             "attributes-charset", NULL, <A HREF="#cupsLangEncoding">cupsLangEncoding</A>(language));
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+             "attributes-natural-language", NULL,
+             language != NULL ? language-&gt;language : "C");
+
+ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+             NULL, "ipp://hostname/resource");
+
+/* Do the request... */
+response = cupsDoRequest(http, request, "/resource");
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault"><CODE>cupsLangDefault()</CODE></A>,
+<A HREF="#cupsLangEncoding"><CODE>cupsLangEncoding()</CODE></A>,
+<A HREF="#cupsUser"><CODE>cupsUser()</CODE></A>,
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippNew"><CODE>ippNew()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsFreeOptions">cupsFreeOptions()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsFreeOptions(int num_options,
+                cups_option_t *options);
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>Number of options in array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>Pointer to options array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P><CODE>cupsFreeOptions()</CODE> frees all memory associated with the
+option array specified.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+cupsFreeOptions(num_options, options);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsAddOption">cupsAddOption()</A>,
+<A HREF="#cupsGetOption">cupsGetOption()</A>,
+<A HREF="#cupsMarkOptions">cupsMarkOptions()</A>,
+<A HREF="#cupsParseOptions">cupsParseOptions()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsGetClasses">cupsGetClasses()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsGetClasses(char ***classes);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>classes</TD>
+	<TD>Pointer to character pointer array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of printer classes available.
+
+<H3>Description</H3>
+
+<P><CODE>cupsGetClasses()</CODE> gets a list of the available printer classes.
+The returned array should be freed using the <CODE>free()</CODE> when it is
+no longer needed.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int  i;
+int  num_classes;
+char **classes;
+
+...
+
+num_classes = cupsGetClasses(&classes);
+
+...
+
+if (num_classes > 0)
+{
+  for (i = 0; i < num_classes; i ++)
+    free(classes[i]);
+
+  free(classes);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsGetDefault">cupsGetDefault()</CODE>,
+<A HREF="#cupsGetPrinters">cupsGetPrinters()</CODE>
+
+<!-- NEW PAGE --><H2><A NAME="cupsGetDefault">cupsGetDefault()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsGetDefault(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>A pointer to the default destination.
+
+<H3>Description</H3>
+
+<P><CODE>cupsGetDefault()</CODE> gets the default destination printer or class.
+The default destination is stored in a static string and will be overwritten
+(usually with the same value) after each call.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+printf("The default destination is %s\n", cupsGetDefault());
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsGetClasses">cupsGetClasses()</CODE>,
+<A HREF="#cupsGetPrinters">cupsGetPrinters()</CODE>
+
+<!-- NEW PAGE --><H2><A NAME="cupsGetOption">cupsGetOption()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsGetOption(const char *name,
+              int num_options,
+              cups_option_t *options);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the option.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>The number of options in the array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>The options array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the option values or <CODE>NULL</CODE> if the option is
+not defined.
+
+<H3>Description</H3>
+
+<P><CODE>cupsGetOption()</CODE> returns the first occurrence of the
+named option. If the option is not included in the options array then a
+<CODE>NULL</CODE> pointer is returned.
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+const char    *media;
+
+...
+
+media = cupsGetOption("media", num_options, options);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsAddOption">cupsAddOption()</A>,
+<A HREF="#cupsFreeOptions">cupsFreeOptions()</A>,
+<A HREF="#cupsMarkOptions">cupsMarkOptions()</A>,
+<A HREF="#cupsParseOptions">cupsParseOptions()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsGetPassword">cupsGetPassword()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsGetPassword(const char *prompt);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>prompt</TD>
+	<TD>The prompt to display to the user.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the password that was entered or <CODE>NULL</CODE> if no
+password was entered.
+
+<H3>Description</H3>
+
+<P><CODE>cupsGetPassword()</CODE> displays the prompt string and asks the user
+for a password. The password text is not echoed to the user.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+char *password;
+
+...
+
+password = cupsGetPassword("Please enter a password:");
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsServer">cupsServer()</A>,
+<A HREF="#cupsSetPasswordCB">cupsSetPasswordCB()</A>,
+<A HREF="#cupsSetServer">cupsSetServer()</A>,
+<A HREF="#cupsSetUser">cupsSetUser()</A>,
+<A HREF="#cupsUser">cupsUser()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsGetPPD">cupsGetPPD()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsGetPPD(const char *printer);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>printer</TD>
+	<TD>The name of the printer.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The name of a temporary file containing the PPD file or <CODE>NULL</CODE>
+if the printer cannot be located or does not have a PPD file.
+
+<H3>Description</H3>
+
+<P><CODE>cupsGetPPD()</CODE> gets a copy of the PPD file for the named printer.
+The printer name can be of the form "printer" or "printer@hostname".
+
+<P>You should remove (unlink) the PPD file after you are done using it. The
+filename is stored in a static buffer and will be overwritten with each call
+to <CODE>cupsGetPPD()</CODE>.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+char *ppd;
+
+...
+
+ppd = cupsGetPPD("printer@hostname");
+
+...
+
+unlink(ppd);
+</PRE>
+
+<!-- NEW PAGE --><H2><A NAME="cupsGetPrinters">cupsGetPrinters()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsGetPrinters(char ***printers);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>printers</TD>
+	<TD>Pointer to character pointer array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of printer printers available.
+
+<H3>Description</H3>
+
+<P><CODE>cupsGetPrinters()</CODE> gets a list of the available printers.
+The returned array should be freed using the <CODE>free()</CODE> when it is
+no longer needed.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int  i;
+int  num_printers;
+char **printers;
+
+...
+
+num_printers = cupsGetPrinters(&printers);
+
+...
+
+if (num_printers > 0)
+{
+  for (i = 0; i < num_printers; i ++)
+    free(printers[i]);
+
+  free(printers);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsGetClasses">cupsGetClasses()</CODE>,
+<A HREF="#cupsGetDefault">cupsGetDefault()</CODE>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLangDefault">cupsLangDefault()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsLangDefault(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>A pointer to the default language structure.
+
+<H3>Description</H3>
+
+<P><CODE>cupsLangDefault()</CODE> returns a language structure for the default
+language. The default language is defined by the <CODE>LANG</CODE> environment
+variable. If the specified language cannot be located then the POSIX (English)
+locale is used.
+
+<P>Call <CODE>cupsLangFree()</CODE> to free any memory associated with the
+language structure when you are done.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+...
+
+language = cupsLangDefault();
+
+...
+
+cupsLangFree(language);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangEncoding">cupsLangEncoding()</A>,
+<A HREF="#cupsLangFlush">cupsLangFlush()</A>,
+<A HREF="#cupsLangFree">cupsLangFree()</A>,
+<A HREF="#cupsLangGet">cupsLangGet()</A>,
+<A HREF="#cupsLangString">cupsLangString()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLangEncoding">cupsLangEncoding()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+char *
+cupsLangEncoding(cups_lang_t *language);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>language</TD>
+	<TD>The language structure.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the encoding string.
+
+<H3>Description</H3>
+
+<P><CODE>cupsLangEncoding()</CODE> returns the language encoding used for the
+specified language, e.g. "iso-8859-1", "utf-8", etc.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+char        *encoding;
+...
+
+language = cupsLangDefault();
+encoding = cupsLangEncoding(language);
+...
+
+cupsLangFree(language);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault">cupsLangDefault()</A>,
+<A HREF="#cupsLangFlush">cupsLangFlush()</A>,
+<A HREF="#cupsLangFree">cupsLangFree()</A>,
+<A HREF="#cupsLangGet">cupsLangGet()</A>,
+<A HREF="#cupsLangString">cupsLangString()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLangFlush">cupsLangFlush()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsLangFlush(void);
+</PRE>
+
+<H3>Description</H3>
+
+<P><CODE>cupsLangFlush()</CODE> frees all language structures that have been
+allocated.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/language.h&gt;
+
+...
+
+cupsLangFlush();
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault">cupsLangDefault()</A>,
+<A HREF="#cupsLangEncoding">cupsLangEncoding()</A>,
+<A HREF="#cupsLangFree">cupsLangFree()</A>,
+<A HREF="#cupsLangGet">cupsLangGet()</A>,
+<A HREF="#cupsLangString">cupsLangString()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLangFree">cupsLangFree()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsLangFree(cups_lang_t *language);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>language</TD>
+	<TD>The language structure to free.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P><CODE>cupsLangFree()</CODE> frees the specified language structure.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+...
+
+cupsLangFree(language);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault">cupsLangDefault()</A>,
+<A HREF="#cupsLangEncoding">cupsLangEncoding()</A>,
+<A HREF="#cupsLangFlush">cupsLangFlush()</A>,
+<A HREF="#cupsLangGet">cupsLangGet()</A>,
+<A HREF="#cupsLangString">cupsLangString()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLangGet">cupsLangGet()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+cups_lang_t *
+cupsLangGet(const char *name);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the locale.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a language structure.
+
+<H3>Description</H3>
+
+<P><CODE>cupsLangGet()</CODE> returns a language structure for the specified
+locale. If the locale is not defined then the POSIX (English) locale is
+substituted.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+
+...
+
+language = cupsLangGet("fr");
+
+...
+
+cupsLangFree(language);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault">cupsLangDefault()</A>,
+<A HREF="#cupsLangEncoding">cupsLangEncoding()</A>,
+<A HREF="#cupsLangFlush">cupsLangFlush()</A>,
+<A HREF="#cupsLangFree">cupsLangFree()</A>,
+<A HREF="#cupsLangString">cupsLangString()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLangString">cupsLangString()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+char *
+cupsLangString(cups_lang_t *language,
+               int         message);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>language</TD>
+	<TD>The language to query.</TD>
+</TR>
+<TR>
+	<TD>message</TD>
+	<TD>The message number.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the message string or <CODE>NULL</CODE> if the message is
+not defined.
+
+<H3>Description</H3>
+
+<P><CODE>cupsLangString()</CODE> returns a pointer to the specified message
+string in the specified language.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/language.h&gt;
+
+cups_lang_t *language;
+char        *s;
+...
+
+language = cupsLangGet("fr");
+
+s = cupsLangString(language, CUPS_MSG_YES);
+
+...
+
+cupsLangFree(language);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsLangDefault">cupsLangDefault()</A>,
+<A HREF="#cupsLangEncoding">cupsLangEncoding()</A>,
+<A HREF="#cupsLangFlush">cupsLangFlush()</A>,
+<A HREF="#cupsLangFree">cupsLangFree()</A>,
+<A HREF="#cupsLangGet">cupsLangGet()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsLastError">cupsLastError()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_status_t
+cupsLastError(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>An enumeration containing the last IPP error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsLastError()</CODE> returns the last IPP error that occurred.
+If no error occurred then it will return <CODE>IPP_OK</CODE> or
+<CODE>IPP_OK_CONFLICT</CODE>.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+ipp_status_t status;
+
+...
+
+status = cupsLastError();
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsCancelJob">cupsCancelJob()</A>,
+<A HREF="#cupsPrintFile">cupsPrintFile()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsMarkOptions">cupsMarkOptions()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsMarkOptions(ppd_file_t *ppd,
+                int num_options,
+                cups_option_t *options);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file to mark.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>The number of options in the options array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>A pointer to the options array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of conflicts found.
+
+<H3>Description</H3>
+
+<P><CODE>cupsMarkOptions()</CODE> marks options in the PPD file. It also
+handles mapping of IPP option names and values to PPD option names.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+ppd_file_t    *ppd;
+
+...
+
+cupsMarkOptions(ppd, num_options, options);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsAddOption">cupsAddOption()</A>,
+<A HREF="#cupsFreeOptions">cupsFreeOptions()</A>,
+<A HREF="#cupsGetOption">cupsGetOption()</A>,
+<A HREF="#cupsParseOptions">cupsParseOptions()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsParseOptions">cupsParseOptions()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsParseOptions(const char *arg,
+                 int num_options,
+                 cups_option_t **options);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>arg</TD>
+	<TD>The string containing one or more options.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>The number of options in the options array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>A pointer to the options array pointer.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The new number of options in the array.
+
+<H3>Description</H3>
+
+<P><CODE>cupsParseOptions()</CODE> parses the specifies string for one
+or more options of the form "name=value", "name", or "noname". It can
+be called multiple times to combine the options from several strings.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+
+...
+
+num_options = 0;
+options     = (cups_option_t *)0;
+num_options = cupsParseOptions(argv[5], num_options, &amp;options);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsAddOption">cupsAddOption()</A>,
+<A HREF="#cupsFreeOptions">cupsFreeOptions()</A>,
+<A HREF="#cupsGetOption">cupsGetOption()</A>,
+<A HREF="#cupsMarkOptions">cupsMarkOptions()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsPrintFile">cupsPrintFile()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsPrintFile(const char    *printer,
+              const char    *filename,
+              const char    *title,
+	      int           num_options,
+	      cups_option_t *options);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>printer</TD>
+	<TD>The printer or class to print to.</TD>
+</TR>
+<TR>
+	<TD>filename</TD>
+	<TD>The file to print.</TD>
+</TR>
+<TR>
+	<TD>title</TD>
+	<TD>The job title.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>The number of options in the options array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>A pointer to the options array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The new job ID number or 0 on error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsPrintFile()</CODE> sends a file to the specified printer or
+class for printing. If the job cannot be printed the error code can be
+found by calling <CODE>cupsLastError()</CODE>.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_options;
+cups_option_t *options;
+int           jobid;
+
+...
+
+jobid = cupsPrintFile("printer@hostname", "filename.ps", "Job Title",
+                      num_options, options);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsCancelJob">cupsCancelJob()</A>,
+<A HREF="#cupsLastError">cupsLastError()</A>,
+<A HREF="#cupsPrintFiles">cupsPrintFiles()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsPrintFiles">cupsPrintFiles()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int
+cupsPrintFiles(const char    *printer,
+               int           num_files,
+               const char    **files,
+               const char    *title,
+	       int           num_options,
+	       cups_option_t *options);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>printer</TD>
+	<TD>The printer or class to print to.</TD>
+</TR>
+<TR>
+	<TD>num_files</TD>
+	<TD>The number of files to print.</TD>
+</TR>
+<TR>
+	<TD>files</TD>
+	<TD>The files to print.</TD>
+</TR>
+<TR>
+	<TD>title</TD>
+	<TD>The job title.</TD>
+</TR>
+<TR>
+	<TD>num_options</TD>
+	<TD>The number of options in the options array.</TD>
+</TR>
+<TR>
+	<TD>options</TD>
+	<TD>A pointer to the options array.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The new job ID number or 0 on error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsPrintFiles()</CODE> sends multiple files to the specified
+printer or class for printing. If the job cannot be printed the error
+code can be found by calling <CODE>cupsLastError()</CODE>.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+int           num_files;
+const char    *files[100];
+int           num_options;
+cups_option_t *options;
+int           jobid;
+
+...
+
+jobid = cupsPrintFiles("printer@hostname", num_files, files,
+                       "Job Title", num_options, options);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsCancelJob">cupsCancelJob()</A>,
+<A HREF="#cupsLastError">cupsLastError()</A>,
+<A HREF="#cupsPrintFile">cupsPrintFile()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsRasterClose">cupsRasterClose()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsRasterClose(cups_raster_t *ras);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ras</TD>
+	<TD>The raster stream to close.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P><CODE>cupsRasterClose()</CODE> closes the specified raster stream.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+cups_raster_t *ras;
+
+...
+
+cupsRasterClose(ras);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsRasterOpen">cupsRasterOpen()</A>,
+<A HREF="#cupsRasterReadHeader">cupsRasterReadHeader()</A>,
+<A HREF="#cupsRasterReadPixels">cupsRasterReadPixels()</A>,
+<A HREF="#cupsRasterWriteHeader">cupsRasterWriteHeader()</A>,
+<A HREF="#cupsRasterWritePixels">cupsRasterWritePixels()</A>
+
+
+<!-- NEW PAGE --><H2><A NAME="cupsRasterOpen">cupsRasterOpen()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+cups_raster_t *
+cupsRasterOpen(int fd,
+               cups_mode_t mode);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>fd</TD>
+	<TD>The file descriptor to use.</TD>
+</TR>
+<TR>
+	<TD>mode</TD>
+	<TD>The mode to use; <CODE>CUPS_RASTER_READ</CODE> or
+	<CODE>CUPS_RASTER_WRITE</CODE>.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a raster stream or <CODE>NULL</CODE> if there was an error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsRasterOpen()</CODE> opens a raster stream for reading or writing.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+cups_raster_t *ras;
+
+...
+
+ras = cupsRasterOpen(0, CUPS_RASTER_READ);
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsRasterClose">cupsRasterClose()</A>,
+<A HREF="#cupsRasterReadHeader">cupsRasterReadHeader()</A>,
+<A HREF="#cupsRasterReadPixels">cupsRasterReadPixels()</A>,
+<A HREF="#cupsRasterWriteHeader">cupsRasterWriteHeader()</A>,
+<A HREF="#cupsRasterWritePixels">cupsRasterWritePixels()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsRasterReadHeader">cupsRasterReadHeader()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+unsigned
+cupsRasterReadHeader(cups_raster_t *ras,
+                     cups_page_header_t *header);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ras</TD>
+	<TD>The raster stream to read from.</TD>
+</TR>
+<TR>
+	<TD>header</TD>
+	<TD>A pointer to a page header structure to read into.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>1 on success, 0 on EOF or error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsRasterReadHeader()</CODE> reads a page header from the specified
+raster stream.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+while (cupsRasterReadHeader(ras, &amp;header))
+{
+  ...
+
+  for (line = 0; line &lt; header.cupsHeight; line ++)
+  {
+    cupsRasterReadPixels(ras, pixels, header.cupsBytesPerLine);
+
+    ...
+  }
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsRasterClose">cupsRasterClose()</A>,
+<A HREF="#cupsRasterOpen">cupsRasterOpen()</A>,
+<A HREF="#cupsRasterReadPixels">cupsRasterReadPixels()</A>,
+<A HREF="#cupsRasterWriteHeader">cupsRasterWriteHeader()</A>,
+<A HREF="#cupsRasterWritePixels">cupsRasterWritePixels()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsRasterReadPixels">cupsRasterReadPixels()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+unsigned
+cupsRasterReadPixels(cups_raster_t *ras,
+                     unsigned char *pixels,
+		     unsigned length);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ras</TD>
+	<TD>The raster stream to read from.</TD>
+</TR>
+<TR>
+	<TD>pixels</TD>
+	<TD>The pointer to a pixel buffer.</TD>
+</TR>
+<TR>
+	<TD>length</TD>
+	<TD>The number of bytes of pixel data to read.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of bytes read or 0 on EOF or error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsRasterReadPixels()</CODE> reads pixel data from the specified
+raster stream.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+while (cupsRasterReadHeader(ras, &amp;header))
+{
+  ...
+
+  for (line = 0; line &lt; header.cupsHeight; line ++)
+  {
+    cupsRasterReadPixels(ras, pixels, header.cupsBytesPerLine);
+
+    ...
+  }
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsRasterClose">cupsRasterClose()</A>,
+<A HREF="#cupsRasterOpen">cupsRasterOpen()</A>,
+<A HREF="#cupsRasterReadHeader">cupsRasterReadHeader()</A>,
+<A HREF="#cupsRasterWriteHeader">cupsRasterWriteHeader()</A>,
+<A HREF="#cupsRasterWritePixels">cupsRasterWritePixels()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsRasterWriteHeader">cupsRasterWriteHeader()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+unsigned
+cupsRasterWriteHeader(cups_raster_t *ras,
+                      cups_page_header_t *header);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ras</TD>
+	<TD>The raster stream to write to.</TD>
+</TR>
+<TR>
+	<TD>header</TD>
+	<TD>A pointer to the page header to write.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>1 on success, 0 on error.
+
+<H3>Description</H3>
+
+<P><CODE>cupsRasterWriteHeader()</CODE> writes the specified page header to
+a raster stream.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+cupsRasterWriteHeader(ras, &amp;header);
+
+for (line = 0; line &lt; header.cupsHeight; line ++)
+{
+  ...
+
+  cupsRasterWritePixels(ras, pixels, header.cupsBytesPerLine);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsRasterClose">cupsRasterClose()</A>,
+<A HREF="#cupsRasterOpen">cupsRasterOpen()</A>,
+<A HREF="#cupsRasterReadHeader">cupsRasterReadHeader()</A>,
+<A HREF="#cupsRasterReadPixels">cupsRasterReadPixels()</A>,
+<A HREF="#cupsRasterWritePixels">cupsRasterWritePixels()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsRasterWritePixels">cupsRasterWritePixels()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+unsigned
+cupsRasterWritePixels(cups_raster_t *ras,
+                      unsigned char *pixels,
+		      unsigned length);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ras</TD>
+	<TD>The raster stream to write to.</TD>
+</TR>
+<TR>
+	<TD>pixels</TD>
+	<TD>The pixel data to write.</TD>
+</TR>
+<TR>
+	<TD>length</TD>
+	<TD>The number of bytes to write.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of bytes written.
+
+<H3>Description</H3>
+
+<P><CODE>cupsRasterWritePixels()</CODE> writes the specified pixel data to a
+raster stream.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/raster.h&gt;
+
+int                  line;
+cups_raster_t        *ras;
+cups_raster_header_t header;
+unsigned char        pixels[8192];
+...
+
+cupsRasterWriteHeader(ras, &amp;header);
+
+for (line = 0; line &lt; header.cupsHeight; line ++)
+{
+  ...
+
+  cupsRasterWritePixels(ras, pixels, header.cupsBytesPerLine);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsRasterClose">cupsRasterClose()</A>,
+<A HREF="#cupsRasterOpen">cupsRasterOpen()</A>,
+<A HREF="#cupsRasterReadHeader">cupsRasterReadHeader()</A>,
+<A HREF="#cupsRasterReadPixels">cupsRasterReadPixels()</A>,
+<A HREF="#cupsRasterWriteHeader">cupsRasterWriteHeader()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsServer">cupsServer()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsServer(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>A pointer to the default server name.
+
+<H3>Description</H3>
+
+<P><CODE>cupsServer()</CODE> returns a pointer to the default server name.
+The server name is stored in a static location and will be overwritten with
+every call to <CODE>cupsServer()</CODE>
+
+<P>The default server is determined from the following locations:
+
+<OL>
+
+	<LI>The <CODE>CUPS_SERVER</CODE> environment variable,
+
+	<LI>The <CODE>ServerName</CODE> directive in the
+	<VAR>client.conf</VAR> file,
+
+	<LI>The default host, "localhost".
+
+</OL>
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *server;
+
+server = cupsServer();
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsGetPassword">cupsGetPassword()</A>,
+<A HREF="#cupsSetPasswordCB">cupsSetPasswordCB()</A>,
+<A HREF="#cupsSetServer">cupsSetServer()</A>,
+<A HREF="#cupsSetUser">cupsSetUser()</A>,
+<A HREF="#cupsUser">cupsUser()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsSetPasswordCB">cupsSetPasswordCB()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsSetPasswordCB(const char *(*cb)(const char *prompt));
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>cb</TD>
+	<TD>The password callback function.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P><CODE>cupsSetPasswordCB()</CODE> sets the callback function to use when
+asking the user for a password. The callback function must accept a single
+character string pointer (the prompt string) and return <CODE>NULL</CODE>
+if the user did not enter a password string or a pointer to the password
+string otherwise.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *
+my_password_cb(const char *prompt)
+{
+  return (getpass(prompt));
+}
+
+...
+
+char *password;
+
+...
+
+cupsSetPasswordCB(my_password_cb);
+password = cupsGetPassword("Please enter a password:");
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsServer">cupsServer()</A>,
+<A HREF="#cupsSetServer">cupsSetServer()</A>,
+<A HREF="#cupsSetUser">cupsSetUser()</A>,
+<A HREF="#cupsUser">cupsUser()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsSetServer">cupsSetServer()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsSetServer(const char *server);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>server</TD>
+	<TD>The default server to use.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P><CODE>cupsSetServer()</CODE> sets the default server to use for
+the CUPS API. If the <CODE>server</CODE> argument is <CODE>NULL</CODE>,
+the default server is used.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+cupsSetServer("foo.bar.com");
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsServer">cupsServer()</A>,
+<A HREF="#cupsSetPasswordCB">cupsSetPasswordCB()</A>,
+<A HREF="#cupsSetUser">cupsSetUser()</A>,
+<A HREF="#cupsUser">cupsUser()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsSetUser">cupsSetUser()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+cupsSetUser(const char *user);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>user</TD>
+	<TD>The user name string to use.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P><CODE>cupsSetUser()</CODE> sets the default user name for authentication.
+If the <CODE>user</CODE> argument is <CODE>NULL</CODE> then the current
+login user is used.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+...
+
+cupsSetUser("root");
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsServer">cupsServer()</A>,
+<A HREF="#cupsSetPasswordCB">cupsSetPasswordCB()</A>,
+<A HREF="#cupsSetServer">cupsSetServer()</A>,
+<A HREF="#cupsUser">cupsUser()</A>
+
+<!-- NEW PAGE --><H2><A NAME="cupsTempFile">cupsTempFile()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+char *
+cupsTempFile(char *filename,
+             int length);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>filename</TD>
+	<TD>The character string to hold the temporary filename.</TD>
+</TR>
+<TR>
+	<TD>length</TD>
+	<TD>The size of the filename string in bytes.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to <CODE>filename</CODE>.
+
+<H3>Description</H3>
+
+<P><CODE>cupsTempFile()</CODE> generates a temporary filename for the
+<VAR>/var/tmp</VAR> directory or the directory specified by the
+<CODE>TMPDIR</CODE> environment variable.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+char filename[256];
+
+cupsTempFile(filename, sizeof(filename));
+</PRE>
+
+<!-- NEW PAGE --><H2><A NAME="cupsUser">cupsUser()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *
+cupsUser(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>A pointer to the current username or <CODE>NULL</CODE> if the user ID is
+undefined.
+
+<H3>Description</H3>
+
+<P><CODE>cupsUser()</CODE> returns the name associated with the current
+user ID as reported by the <CODE>getuid()</CODE> system call.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/cups.h&gt;
+
+const char *user;
+
+user = cupsUser();
+</PRE>
+
+<H3>See Also</H3>
+
+<P>
+<A HREF="#cupsGetPassword">cupsGetPassword()</A>,
+<A HREF="#cupsServer">cupsServer()</A>
+
+<!-- NEW PAGE --><H2><A NAME="httpBlocking">httpBlocking()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpBlocking(http_t *http, int blocking)
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>blocking</TD>
+	<TD>0 if the connection should be non-blocking, 1 if it should
+	be blocking</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpBlocking()</CODE> function sets the blocking mode for the
+HTTP connection. By default HTTP connections will block (stop) the client
+program until data is available or can be sent to the server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+http = httpConnect("server", port);
+httpBlocking(http, 0);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpCheck"><CODE>httpCheck()</CODE></A>,
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpCheck">httpCheck()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpCheck(http_t *http);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 if there is no data pending, 1 otherwise.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpCheck()</CODE> function checks to see if there is any data
+pending on an HTTP connection.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+if (httpCheck(http))
+{
+  ... do something ...
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpBlocking"><CODE>httpBlocking()</CODE></A>,
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpGets"><CODE>httpGets()</CODE></A>,
+<A HREF="#httpRead"><CODE>httpRead()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpClearFields">httpClearFields()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpClearFields(http_t *http)
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpClearFields()</CODE> function clears all HTTP request fields
+for the HTTP connection.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpClearFields(http);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpGetField"><CODE>httpGetField()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpClose">httpClose()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpClose(http_t *http);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpClose()</CODE> function closes an active HTTP connection.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpClose(http);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpConnect">httpConnect()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+http_t *httpConnect(const char *hostname, int port);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>hostname</TD>
+	<TD>The name or IP address of the server to connect to</TD>
+</TR>
+<TR>
+	<TD>port</TD>
+	<TD>The port number to use</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a HTTP connection structure or NULL if the connection could
+not be made.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpConnect()</CODE> function opens a HTTP connection to the
+specified server and port.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+http = httpConnect(cupsServer(), ippPort());
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpClose"><CODE>httpClose()</CODE></A>,
+<A HREF="#httpGet"><CODE>httpGet()</CODE></A>,
+<A HREF="#httpGets"><CODE>httpGets()</CODE></A>,
+<A HREF="#httpPost"><CODE>httpPost()</CODE></A>,
+<A HREF="#httpRead"><CODE>httpRead()</CODE></A>,
+<A HREF="#httpWrite"><CODE>httpWrite()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpDecode64">httpDecode64()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+char *httpDecode64(char *out, const char *in);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>out</TD>
+	<TD>The output string</TD>
+</TR>
+<TR>
+	<TD>in</TD>
+	<TD>The input string</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the decoded string.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpDecode64()</CODE> function decodes a base-64 encoded string
+to the original string.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+char encoded_string[255];
+char original_string[255];
+
+httpDecode64(original_string, encoded_string);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpEncode64"><CODE>httpEncode64()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpDelete">httpDelete()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpDelete(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to delete</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpDelete()</CODE> function sends a HTTP DELETE request to
+the server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpDelete(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpEncode64">httpEncode64()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+char *httpEncode64(char *out, const char *in);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>out</TD>
+	<TD>The output string</TD>
+</TR>
+<TR>
+	<TD>in</TD>
+	<TD>The input string</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the encoded string.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpEncode64()</CODE> function decodes a base-64 encoded string
+to the original string.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+char encoded_string[255];
+char original_string[255];
+
+httpEncode64(encoded_string, original_string);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpDecode64"><CODE>httpDecode64()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpError">httpError()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpError(http_t *http);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The last error that occurred or 0 if no error has occurred.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpError()</CODE> function returns the last error that occurred
+on the HTTP connection.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+if (httpError(http))
+{
+  ... show an error message ...
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpFlush">httpFlush()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpFlush(http_t *http);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpFlush()</CODE> function flushes any remaining data left from
+a GET or POST operation.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpFlush(http);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+
+<!-- NEW PAGE --><H2><A NAME="httpGet">httpGet()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpGet(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to get</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpGet()</CODE> function sends a HTTP GET request to the
+server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpGet(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpGets">httpGets()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+char *httpGets(char *line, int length, http_t *http)
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>line</TD>
+	<TD>The string to fill with a line from the HTTP connection</TD>
+</TR>
+<TR>
+	<TD>length</TD>
+	<TD>The maximum length of the string</TD>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the string or NULL if no line could be retrieved.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpGets()</CODE> function is used to read a request line from
+the HTTP connection. It is not normally used by a client program.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+char line[1024];
+
+if (httpGets(line, sizeof(line), http))
+{
+  ... process the line ...
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpGetDateString">httpGetDateString()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *httpGetDateString(time_t time)
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>time</TD>
+	<TD>The UNIX date/time value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a static string containing the HTTP date/time string for
+the specified UNIX time value.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpGetDateString()</CODE> function generates a date/time string
+suitable for HTTP requests from a UNIX time value.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+puts(httpGetDateString(time(NULL)));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpGetDateTime"><CODE>httpGetDateTime()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpGetDateTime">httpGetDateTime()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+time_t httpGetDateTime(const char *date)
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>date</TD>
+	<TD>The HTTP date/time string</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A UNIX time value.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpGetDateTime()</CODE> function converts a HTTP
+date/time string to a UNIX time value.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+printf("%d\n", httpGetDateTime("Fri, 30 June 2000 12:34:56 GMT"));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpGetDateString"><CODE>httpGetDateString()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpGetField">httpGetField()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+const char *httpGetField(http_t *http, http_field_t field);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>field</TD>
+	<TD>The HTTP field</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the field value string.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpGetField()</CODE> function returns the current value for
+the specified HTTP field.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpGet(http, "/some/uri");
+while (httpUpdate(http) == HTTP_CONTINUE);
+
+puts(httpGetField(http, HTTP_FIELD_CONTENT_TYPE));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpHead">httpHead()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpHead(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to head</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpHead()</CODE> function sends a HTTP HEAD request to the
+server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpHead(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpInitialize">httpInitialize()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpInitialize(void);
+</PRE>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpInitialize()</CODE> function initializes the networking
+code as needed by the underlying platform. It is called automatically by
+the <CODE>httpConnect()</CODE> function.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+httpInitialize();
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpOptions">httpOptions()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpOptions(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to check for options</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpOptions()</CODE> function sends a HTTP OPTIONS request to the
+server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpOptions(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpPost">httpPost()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpPost(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to post to</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpPost()</CODE> function sends a HTTP POST request to the
+server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpPost(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpPrintf">httpPrintf()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpPrintf(http_t *http, const char *format, ...);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>format</TD>
+	<TD>A printf-style format string</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of bytes written.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpPrintf()</CODE> function sends a formatted string to the
+HTTP connection. It is normally only used by the CUPS API and scheduler.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpPrintf(http, "GET / HTTP/1.1 \r\n");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpPut">httpPut()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpPut(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to put</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpPut()</CODE> function sends a HTTP PUT request to the
+server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpDelete(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpRead">httpRead()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpRead(http_t *http, char *buffer, int length);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>buffer</TD>
+	<TD>The buffer to read into</TD>
+</TR>
+<TR>
+	<TD>length</TD>
+	<TD>The number of bytes to read</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of bytes read or -1 on error.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpRead()</CODE> function reads data from the HTTP connection,
+possibly the result of a GET or POST request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+char buffer[1024];
+int  bytes;
+
+httpGet(http, "/");
+while (httpUpdate(http) != HTTP_CONTINUE);
+while ((bytes = httpRead(http, buffer, sizeof(buffer) - 1)) > 0)
+{
+  buffer[bytes] = '\0';
+  fputs(buffer, stdout);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpWrite"><CODE>httpWrite()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpReconnect">httpReconnect()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpReconnect(http_t *http);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpReconnect()</CODE> function reconnects to the HTTP server.
+This is usually done automatically if the HTTP functions detect that the
+server connection has terminated.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpReconnect(http);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpSeparate">httpSeparate()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpSeparate(const char *uri, char *method,
+                  char *username, char *host, int *port,
+                  char *resource);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to separate</TD>
+</TR>
+<TR>
+	<TD>method</TD>
+	<TD>The method (scheme) of the URI</TD>
+</TR>
+<TR>
+	<TD>username</TD>
+	<TD>The username (and password) portion of the URI, if any</TD>
+</TR>
+<TR>
+	<TD>host</TD>
+	<TD>The hostname portion of the URI, if any</TD>
+</TR>
+<TR>
+	<TD>port</TD>
+	<TD>The port number for the URI, either as specified or as
+	default for the method/scheme</TD>
+</TR>
+<TR>
+	<TD>resource</TD>
+	<TD>The resource string, usually a filename on the server</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpSeparate()</CODE> function separates the specified URI into
+its component parts. The method, username, hostname, and resource strings should
+be at least <CODE>HTTP_MAX_URI</CODE> characters long to avoid potential
+buffer overflow problems.
+
+<H3>Example</H3>
+
+<PRE>
+char uri[HTTP_MAX_URI];
+char method[HTTP_MAX_URI];
+char username[HTTP_MAX_URI];
+char host[HTTP_MAX_URI];
+char resource[HTTP_MAX_URI];
+int port;
+
+httpSeparate(uri, method, username, host, &amp;port, resource);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpSetField">httpSetField()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void httpSetField(http_t *http, http_field_t field, const char *value);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>field</TD>
+	<TD>The HTTP field</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>The string value for the field</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>httpSetField()</CODE> function sets the current value for
+the specified HTTP field.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpSetField(http, HTTP_FIELD_AUTHORIZATION, "Basic dfdr34453454325"));
+httpGet(http, "/some/uri");
+while (httpUpdate(http) == HTTP_CONTINUE);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpGetField"><CODE>httpGetField()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpTrace">httpTrace()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpTrace(http_t *http, const char *uri);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>uri</TD>
+	<TD>The URI to trace</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, non-zero on failure.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpTrace()</CODE> function sends a HTTP TRACE request to the
+server.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+
+httpTrace(http, "/some/uri");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpSetField"><CODE>httpSetField()</CODE></A>,
+<A HREF="#httpUpdate"><CODE>httpUpdate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="httpUpdate">httpUpdate()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+http_status_t httpUpdate(http_t *http);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The HTTP status of the current request.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpUpdate()</CODE> function updates the current request status.
+It is used after any DELETE, GET, HEAD, OPTIONS, POST, PUT, or TRACE
+request to finalize the HTTP request and retrieve the request status.
+
+<P>Since proxies and the current blocking mode can cause the request to
+take longer, programs should continue calling <CODE>httpUpdate()</CODE>
+until the return status is not the constant value <CODE>HTTP_CONTINUE</CODE>.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+http_status_t status;
+
+httpGet(http, "/some/uri");
+while ((status = httpUpdate(http)) == HTTP_CONTINUE);
+printf("Request status is %d\n", status);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpDelete"><CODE>httpDelete()</CODE></A>,
+<A HREF="#httpGet"><CODE>httpGet()</CODE></A>,
+<A HREF="#httpHead"><CODE>httpHead()</CODE></A>,
+<A HREF="#httpOptions"><CODE>httpOptions()</CODE></A>,
+<A HREF="#httpPost"><CODE>httpPost()</CODE></A>,
+<A HREF="#httpPut"><CODE>httpPut()</CODE></A>,
+<A HREF="#httpTrace"><CODE>httpTrace()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="httpWrite">httpWrite()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int httpWrite(http_t *http, char *buffer, int length);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>buffer</TD>
+	<TD>The buffer to read into</TD>
+</TR>
+<TR>
+	<TD>length</TD>
+	<TD>The number of bytes to read</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of bytes read or -1 on error.
+
+<H3>Description</H3>
+
+<P>The <CODE>httpWrite()</CODE> function reads data from the HTTP connection,
+possibly the result of a GET or POST request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h&gt;
+
+http_t *http;
+FILE *fp;
+char buffer[1024];
+int  bytes;
+
+httpPost(http, "/");
+
+while ((bytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+  httpWrite(http, buffer, bytes);
+
+while (httpUpdate(http) != HTTP_CONTINUE);
+
+while ((bytes = httpRead(http, buffer, sizeof(buffer) - 1)) > 0)
+{
+  buffer[bytes] = '\0';
+  fputs(buffer, stdout);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#httpConnect"><CODE>httpConnect()</CODE></A>,
+<A HREF="#httpRead"><CODE>httpRead()</CODE></A>
+
+<!-- NEW PAGE --><H2><A NAME="ippAddBoolean">ippAddBoolean()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddBoolean(ipp_t *ipp, ipp_tag_t group,
+                               const char *name, char value);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>The boolean value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddBoolean()</CODE> function adds a single boolean attribute
+value to the specified IPP request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddBoolean(ipp, IPP_TAG_OPERATION, "my-jobs", 1);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddBooleans">ippAddBooleans()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddBooleans(ipp_t *ipp, ipp_tag_t group,
+                                const char *name, int num_values,
+                                const char *values);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>num_values</TD>
+	<TD>The number of values</TD>
+</TR>
+<TR>
+	<TD>values</TD>
+	<TD>The boolean values</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddBooleans()</CODE> function adds one or more boolean
+attribute values to the specified IPP request. If the
+<CODE>values</CODE> pointer is <CODE>NULL</CODE> then an array of
+<CODE>num_values</CODE> false values is created.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+char values[10];
+
+ippAddBooleans(ipp, IPP_TAG_OPERATION, "some-attribute", 10, values);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddDate">ippAddDate()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddDate(ipp_t *ipp, ipp_tag_t group,
+                            const char *name, ipp_uchar_t *value);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>The date value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddDate()</CODE> function adds a single date-time attribute
+value to the specified IPP request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddDate(ipp, IPP_TAG_OPERATION, "some-attribute", 
+           ippTimeToDate(time(NULL));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>,
+<A HREF="#ippTimeToDate"><CODE>ippTimeToDate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddInteger">ippAddInteger()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddInteger(ipp_t *ipp, ipp_tag_t group,
+                               ipp_tag_t tag, const char *name,
+                               int value);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>tag</TD>
+	<TD>The type of integer value (IPP_TAG_INTEGER or IPP_TAG_ENUM)</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>The integer value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddInteger()</CODE> function adds a single integer attribute
+value to the specified IPP request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddInteger(ipp, IPP_TAG_OPERATION, "limit", 100);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddIntegers">ippAddIntegers()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddIntegers(ipp_t *ipp, ipp_tag_t group,
+                                ipp_tag_t tag, const char *name,
+                                int num_values, const int *values);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>tag</TD>
+	<TD>The type of integer value (IPP_TAG_INTEGER or IPP_TAG_ENUM)</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>num_values</TD>
+	<TD>The number of values</TD>
+</TR>
+<TR>
+	<TD>values</TD>
+	<TD>The integer values</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddIntegers()</CODE> function adds one or more integer
+attribute values to the specified IPP request.  If the
+<CODE>values</CODE> pointer is <CODE>NULL</CODE> then an array of
+<CODE>num_values</CODE> 0 values is created.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+int values[100];
+
+ippAddIntegers(ipp, IPP_TAG_OPERATION, "some-attribute", 100, values);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddRange">ippAddRange()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddRange(ipp_t *ipp, ipp_tag_t group,
+                             const char *name, int low,
+                             int high);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>low</TD>
+	<TD>The lower value</TD>
+</TR>
+<TR>
+	<TD>high</TD>
+	<TD>The higher value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddRange()</CODE> function adds a single range attribute
+value to the specified IPP request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddRange(ipp, IPP_TAG_OPERATION, "page-ranges", 1, 10);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddRanges">ippAddRanges()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddRanges(ipp_t *ipp, ipp_tag_t group,
+                              const char *name, int num_values,
+                              const int *lows, const int *highs);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>num_values</TD>
+	<TD>The number of range values</TD>
+</TR>
+<TR>
+	<TD>lows</TD>
+	<TD>The lower values</TD>
+</TR>
+<TR>
+	<TD>highs</TD>
+	<TD>The higher values</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddRanges()</CODE> function adds one or more range
+attribute values to the specified IPP request. If the
+<CODE>values</CODE> pointer is <CODE>NULL</CODE> then an array of
+<CODE>num_values</CODE> 0,0 ranges is created.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+int lows[2];
+int highs[2];
+
+ippAddRanges(ipp, IPP_TAG_OPERATION, "page-ranges", 2, lows, highs);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddResolution">ippAddResolution()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddResolution(ipp_t *ipp, ipp_tag_t group,
+                                  const char *name, int xres,
+                                  int yres, ipp_res_t units);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>xres</TD>
+	<TD>The horizontal resolution</TD>
+</TR>
+<TR>
+	<TD>yres</TD>
+	<TD>The vertical resolution</TD>
+</TR>
+<TR>
+	<TD>units</TD>
+	<TD>The resolution units</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddResolution()</CODE> function adds a single resolution attribute
+value to the specified IPP request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddBoolean(ipp, IPP_TAG_OPERATION, "printer-resolution",
+              720, 720, IPP_RES_PER_INCH);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddResolutions">ippAddResolutions()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddResolutions(ipp_t *ipp, ipp_tag_t group,
+                                   const char *name, int num_values,
+                                   const int *xres, const int *yres,
+                                   const ipp_res_t *units);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>num_values</TD>
+	<TD>The number of resolution values</TD>
+</TR>
+<TR>
+	<TD>xres</TD>
+	<TD>The horizontal resolutions</TD>
+</TR>
+<TR>
+	<TD>yres</TD>
+	<TD>The vertical resolutions</TD>
+</TR>
+<TR>
+	<TD>units</TD>
+	<TD>The resolution units</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddResolutions()</CODE> function adds one or more
+resolution attribute values to the specified IPP request. If the
+<CODE>values</CODE> pointer is <CODE>NULL</CODE> then an array of
+<CODE>num_values</CODE> 0,0 resolutions is created.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+int xres[5];
+int yres[5];
+ipp_res_t units[5];
+
+ippAddBoolean(ipp, IPP_TAG_OPERATION, "printer-resolutions-supported",
+              5, xres, yres, units);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddSeparator">ippAddSeparator()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddSeparator(ipp_t *ipp);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new separator or NULL if the separator could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddSeparator()</CODE> function adds a group separator
+to the specified IPP request.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddSeparator(ipp);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddString">ippAddString()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddString(ipp_t *ipp, ipp_tag_t group,
+                              ipp_tag_t tag, const char *name,
+                              const char *charset, const char *value);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>tag</TD>
+	<TD>The type of string value</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>charset</TD>
+	<TD>The character set for the string</TD>
+</TR>
+<TR>
+	<TD>value</TD>
+	<TD>The string value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddString()</CODE> function adds a single string attribute
+value to the specified IPP request. For <CODE>IPP_TAG_NAMELANG</CODE> and
+<CODE>IPP_TAG_TEXTLANG</CODE> strings, the charset value is provided with
+the string to identify the string encoding used. Otherwise the charset value
+is ignored.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name",
+             NULL, "abc123");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddStrings"><CODE>ippAddStrings()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippAddStrings">ippAddStrings()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippAddStrings(ipp_t *ipp, ipp_tag_t group,
+                               ipp_tag_t tag, const char *name,
+                               int num_values, const char *charset,
+                               const char **values);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request</TD>
+</TR>
+<TR>
+	<TD>group</TD>
+	<TD>The IPP group</TD>
+</TR>
+<TR>
+	<TD>tag</TD>
+	<TD>The type of string value</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of attribute</TD>
+</TR>
+<TR>
+	<TD>num_values</TD>
+	<TD>The number of strings</TD>
+</TR>
+<TR>
+	<TD>charset</TD>
+	<TD>The character set for the strings</TD>
+</TR>
+<TR>
+	<TD>values</TD>
+	<TD>The string values</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the new attribute or NULL if the attribute could not be
+created.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippAddStrings()</CODE> function adds one or more string
+attribute values to the specified IPP request. For
+<CODE>IPP_TAG_NAMELANG</CODE> and <CODE>IPP_TAG_TEXTLANG</CODE>
+strings, the charset value is provided with the strings to identify the
+string encoding used. Otherwise the charset value is ignored. If the
+<CODE>values</CODE> pointer is <CODE>NULL</CODE> then an array of
+<CODE>num_values</CODE> NULL strings is created.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+char *values[2] = { "one", "two" };
+
+ippAddStrings(ipp, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "attr-name",
+              2, NULL, values);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippAddBoolean"><CODE>ippAddBoolean()</CODE></A>,
+<A HREF="#ippAddBooleans"><CODE>ippAddBooleans()</CODE></A>,
+<A HREF="#ippAddDate"><CODE>ippAddDate()</CODE></A>,
+<A HREF="#ippAddInteger"><CODE>ippAddInteger()</CODE></A>,
+<A HREF="#ippAddIntegers"><CODE>ippAddIntegers()</CODE></A>,
+<A HREF="#ippAddRange"><CODE>ippAddRange()</CODE></A>,
+<A HREF="#ippAddRanges"><CODE>ippAddRanges()</CODE></A>,
+<A HREF="#ippAddResolution"><CODE>ippAddResolution()</CODE></A>,
+<A HREF="#ippAddResolutions"><CODE>ippAddResolutions()</CODE></A>,
+<A HREF="#ippAddSeparator"><CODE>ippAddSeparator()</CODE></A>,
+<A HREF="#ippAddString"><CODE>ippAddString()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippDateToTime">ippDateToTime()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+time_t ippDateToTime(const ipp_uchar_t date[11]);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>date</TD>
+	<TD>The IPP date-time value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A UNIX time value.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippDateToTime()</CODE> function converts an IPP date-time value
+to a UNIX time value.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_uchar_t date[11];
+
+printf("UNIX time is %d\n", ippDateToTime(date));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippTimeToDate"><CODE>ippTimeToDate()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippDelete">ippDelete()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void ippDelete(ipp_t *ipp);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request or response</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>ippDelete()</CODE> function deletes all memory used by an IPP
+request or response.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ippDelete(ipp);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippNew"><CODE>ippNew()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippFindAttribute">ippFindAttribute()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_attribute_t *ippFindAttribute(ipp_t *ipp, const char *name, ipp_tag_t tag);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request or response</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the attribute</TD>
+</TR>
+<TR>
+	<TD>tag</TD>
+	<TD>The required value tag for the attribute or
+	<CODE>IPP_TAG_ZERO</CODE> for any type of value.</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the first occurrence of the requested attribute, or
+<CODE>NULL</CODE> if it was not found.
+
+<H3>Description</H3>
+
+<P><CODE>ippFindAttribute()</CODE> finds the first occurrence of the named
+attribute. The <CODE>tag</CODE> parameter restricts the search to a specific
+value type - use <CODE>IPP_TAG_ZERO</CODE> to find any value with the name.
+
+<P>The value tags <CODE>IPP_TAG_NAME</CODE> and <CODE>IPP_TAG_TEXT</CODE>
+match the name/text values with or without the language code.
+
+<H3>Example</H3>
+
+<PRE>
+ipp_attribute_t *attr;
+
+attr = ippFindAttribute(response, "printer-state-message", IPP_TAG_TEXT);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsDoFileRequest"><CODE>cupsDoFileRequest()</CODE></A>,
+<A HREF="#cupsDoRequest"><CODE>cupsDoRequest()</CODE></A>,
+<A HREF="#ippDelete"><CODE>ippDelete()</CODE></A>,
+<A HREF="#ippNew"><CODE>ippNew()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippLength">ippLength()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ippLength(ipp_t *ipp);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request or response</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The total encoded length of the IPP request or response in bytes.
+
+<H3>Description</H3>
+
+<P><CODE>ippLength()</CODE> returns the length of the IPP request or
+response in bytes.
+
+<H3>Example</H3>
+
+<PRE>
+printf("The length of the response is %d bytes.\n", ippLength(response));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippDelete"><CODE>ippDelete()</CODE></A>,
+<A HREF="#ippNew"><CODE>ippNew()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippNew">ippNew()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_t *ippNew(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>A pointer to a new IPP request or response.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippNew()</CODE> function creates a new IPP request or response.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_t *ipp;
+
+ipp = ippNew();
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippDelete"><CODE>ippDelete()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippPort">ippPort()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ippPort(void);
+</PRE>
+
+<H3>Returns</H3>
+
+<P>The default TCP/IP port number for IPP requests.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippPort()</CODE> function returns the default IPP port number
+for requests.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h>
+#include &lt;cups/ipp.h>
+
+http_t *http;
+
+http = httpConnect(cupsServer(), ippPort());
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsServer"><CODE>cupsServer()</CODE></A>,
+<A HREF="#ippSetPort"><CODE>ippSetPort()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippRead">ippRead()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_state_t ippRead(http_t *http, ipp_t *ipp);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request or response</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The current read state.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippRead()</CODE> function reads IPP attributes from the specified
+HTTP connection. Programs should continue calling <CODE>ippRead()</CODE> until
+<CODE>IPP_ERROR</CODE> or <CODE>IPP_DATA</CODE> is returned.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h>
+#include &lt;cups/ipp.h>
+
+http_t *http;
+ipp_t *ipp;
+ipp_state_t status;
+
+ipp = ippNew();
+
+while ((status = ippRead(http, ipp)) != IPP_ERROR)
+  if (status == IPP_DATA)
+    break;
+
+if (status == IPP_DATA)
+{
+  ... read additional non-IPP data using httpRead() ...
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippWrite"><CODE>ippWrite()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippSetPort">ippSetPort()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void
+ippSetPort(int port);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>port</TD>
+	<TD>The port number to use</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>ippSetPort()</CODE> function sets the default IPP port number
+for requests.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h>
+#include &lt;cups/ipp.h>
+
+...
+
+ippSetPort(8631);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippPort"><CODE>ippPort()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippTimeToDate">ippTimeToDate()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_uchar_t *ippTimeToDate(time_t time);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>time</TD>
+	<TD>The UNIX time value</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A static pointer to an IPP date-time value.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippTimeToDate()</CODE> function converts a UNIX time to an IPP
+date-time value.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ipp.h>
+
+ipp_uchar_t *date;
+
+date = ippTimeToDate(time(NULL));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippDateToTime"><CODE>ippDateToTime()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ippWrite">ippWrite()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ipp_state_t ippWrite(http_t *http, ipp_t *ipp);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>http</TD>
+	<TD>The HTTP connection</TD>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>The IPP request or response</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The current write state.
+
+<H3>Description</H3>
+
+<P>The <CODE>ippWrite()</CODE> function writes IPP attributes to the specified
+HTTP connection. Programs should continue calling <CODE>ippWrite()</CODE> until
+<CODE>IPP_ERROR</CODE> or <CODE>IPP_DATA</CODE> is returned.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/http.h>
+#include &lt;cups/ipp.h>
+
+http_t *http;
+ipp_t *ipp;
+ipp_state_t status;
+
+ipp = ippNew();
+... add attributes ...
+
+while ((status = ippWrite(http, ipp)) != IPP_ERROR)
+  if (status == IPP_DATA)
+    break;
+
+if (status == IPP_DATA)
+{
+  ... read additional non-IPP data using httpWrite() ...
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ippRead"><CODE>ippRead()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdClose">ppdClose()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void ppdClose(ppd_file_t *ppd);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdClose()</CODE> function frees all memory associated with the
+PPD file.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+ppdClose(ppd);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdOpen"><CODE>ppdOpen()</CODE></A>,
+<A HREF="#ppdOpenFd"><CODE>ppdOpenFd()</CODE></A>,
+<A HREF="#ppdOpenFile"><CODE>ppdOpenFile()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdConflicts">ppdConflicts()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ppdConflicts(ppd_file_t *ppd);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of option conflicts in the file.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdConflicts()</CODE> function returns the number of conflicts
+with the currently selected options.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+printf("%d conflicts\n", ppdConflicts(ppd));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsMarkOptions"><CODE>cupsMarkOptions()</CODE></A>,
+<A HREF="#ppdIsMarked"><CODE>ppdIsMarked()</CODE></A>,
+<A HREF="#ppdMarkDefaults"><CODE>ppdMarkDefaults()</CODE></A>,
+<A HREF="#ppdMarkOption"><CODE>ppdMarkOption()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdEmit">ppdEmit()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ppdEmit(ppd_file_t *ppd, FILE *file, ppd_section_t section);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>file</TD>
+	<TD>The file to write to</TD>
+</TR>
+<TR>
+	<TD>section</TD>
+	<TD>The option section to write</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, -1 on error.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdEmit()</CODE> function sends printer-specific option
+commands to the specified file.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdEmitFd"><CODE>ppdEmitFd()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdEmitFd">ppdEmitFd()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ppdEmitFd(ppd_file_t *ppd, int fd, ppd_section_t section);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>fd</TD>
+	<TD>The file descriptor to write to</TD>
+</TR>
+<TR>
+	<TD>section</TD>
+	<TD>The option section to write</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>0 on success, -1 on error.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdEmitFd()</CODE> function sends printer-specific option
+commands to the specified file descriptor.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+ppdEmitFd(ppd, 1, PPD_ORDER_PAGE);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdEmit"><CODE>ppdEmit()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdFindChoice">ppdFindChoice()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_choice_t *ppdFindChoice(ppd_option_t *option, const char *choice);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>option</TD>
+	<TD>A pointer to the option</TD>
+</TR>
+<TR>
+	<TD>choice</TD>
+	<TD>The name of the choice</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the choice data or NULL if the choice does not exist.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdFindChoice()</CODE> function returns a pointer to the choice
+data for the specified option.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+ppd_option_t *option;
+ppd_choice_t *choice;
+
+option = ppdFindOption(ppd, "PageSize");
+choice = ppdFindChoice(option, "Letter");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdFindMarkedChoice"><CODE>ppdFindMarkedChoice()</CODE></A>,
+<A HREF="#ppdFindOption"><CODE>ppdFindOption()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdFindMarkedChoice">ppdFindMarkedChoice()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_choice_t *ppdFindMarkedChoice(ppd_file_t *ppd, const char *keyword);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>keyword</TD>
+	<TD>The name of the option</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the choice data or NULL if the choice does not exist or
+is not marked.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdFindMarkedChoice()</CODE> function returns a pointer to
+the marked choice data for the specified option.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+ppd_choice_t *choice;
+
+choice = ppdFindMarkedChoice(ppd, "PageSize");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdFindChoice"><CODE>ppdFindChoice()</CODE></A>,
+<A HREF="#ppdFindOption"><CODE>ppdFindOption()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdFindOption">ppdFindOption()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_option_t *ppdFindOption(ppd_file_t *ppd, const char *keyword);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>keyword</TD>
+	<TD>The name of the option</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the option data or NULL if the option does not exist.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdFindOption()</CODE> function returns a pointer to the option
+data for the specified option.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+ppd_option_t *option;
+
+option = ppdFindOption(ppd, "PageSize");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdFindChoice"><CODE>ppdFindChoice()</CODE></A>,
+<A HREF="#ppdFindMarkedChoice"><CODE>ppdFindMarkedChoice()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdIsMarked">ppdIsMarked()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ppdIsMarked(ppd_file_t *ppd, const char *keyword, char char *choice);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>keyword</TD>
+	<TD>The name of the option</TD>
+</TR>
+<TR>
+	<TD>choice</TD>
+	<TD>The name of the option choice</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>1 if the choice is marked, 0 otherwise.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdIsMarked()</CODE> function returns whether or not the
+specified option choice is marked.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+printf("Letter size %s selected.\n",
+       ppdIsMarked(ppd, "PageSize", "Letter") ? "is" : "is not");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsMarkOptions"><CODE>cupsMarkOptions()</CODE></A>,
+<A HREF="#ppdConflicts"><CODE>ppdConflicts()</CODE></A>,
+<A HREF="#ppdIsMarked"><CODE>ppdIsMarked()</CODE></A>,
+<A HREF="#ppdMarkDefaults"><CODE>ppdMarkDefaults()</CODE></A>,
+<A HREF="#ppdMarkOption"><CODE>ppdMarkOption()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdMarkDefaults">ppdMarkDefaults()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+void ppdMarkDefaults(ppd_file_t *ppd);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdMarkDefaults()</CODE> function marks all of the default
+choices in the PPD file.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+ppdMarkDefaults(ppd);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsMarkOptions"><CODE>cupsMarkOptions()</CODE></A>,
+<A HREF="#ppdConflicts"><CODE>ppdConflicts()</CODE></A>,
+<A HREF="#ppdIsMarked"><CODE>ppdIsMarked()</CODE></A>,
+<A HREF="#ppdMarkDefaults"><CODE>ppdMarkDefaults()</CODE></A>,
+<A HREF="#ppdMarkOption"><CODE>ppdMarkOption()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdMarkOption">ppdMarkOption()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+int ppdMarkOption(ppd_file_t *ppd, const char *keyword, const char *choice);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>keyword</TD>
+	<TD>The name of the option</TD>
+</TR>
+<TR>
+	<TD>choice</TD>
+	<TD>The name of the choice</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The number of conflicts in the PPD file.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdMarkOption()</CODE> function marks the specified option
+choice.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+ppdMarkOption(ppd, "PageSize", "Letter");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#cupsMarkOptions"><CODE>cupsMarkOptions()</CODE></A>,
+<A HREF="#ppdConflicts"><CODE>ppdConflicts()</CODE></A>,
+<A HREF="#ppdIsMarked"><CODE>ppdIsMarked()</CODE></A>,
+<A HREF="#ppdMarkDefaults"><CODE>ppdMarkDefaults()</CODE></A>,
+<A HREF="#ppdMarkOption"><CODE>ppdMarkOption()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdOpen">ppdOpen()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_file_t *ppdOpen(FILE *file);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>file</TD>
+	<TD>The file to read from</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a PPD file structure or NULL if the PPD file could not be
+read.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdOpen()</CODE> function reads a PPD file from the specified
+file into memory.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+FILE *file;
+
+file = fopen("filename.ppd", "rb");
+ppd = ppdOpen(file);
+fclose(file);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdClose"><CODE>ppdClose()</CODE></A>,
+<A HREF="#ppdOpenFd"><CODE>ppdOpenFd()</CODE></A>,
+<A HREF="#ppdOpenFile"><CODE>ppdOpenFile()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdOpenFd">ppdOpenFd()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_file_t *ppdOpenFd(int fd);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>fd</TD>
+	<TD>The file descriptor to read from</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a PPD file structure or NULL if the PPD file could not be
+read.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdOpenFd()</CODE> function reads a PPD file from the specified
+file descriptor into memory.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+int        fd;
+
+fd = open("filename.ppd", O_RDONLY);
+ppd = ppdOpenFd(fd);
+close(fd);
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdClose"><CODE>ppdClose()</CODE></A>,
+<A HREF="#ppdOpen"><CODE>ppdOpen()</CODE></A>,
+<A HREF="#ppdOpenFile"><CODE>ppdOpenFile()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdOpenFile">ppdOpenFile()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_file_t *ppdOpenFile(const char *filename);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>filename</TD>
+	<TD>The name of the file to read from</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to a PPD file structure or NULL if the PPD file could not be
+read.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdOpenFile()</CODE> function reads a PPD file from the named
+file into memory.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+ppd = ppdOpenFile("filename.ppd");
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdClose"><CODE>ppdClose()</CODE></A>,
+<A HREF="#ppdOpen"><CODE>ppdOpen()</CODE></A>,
+<A HREF="#ppdOpenFd"><CODE>ppdOpenFd()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdPageLength">ppdPageLength()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+float ppdPageLength(ppd_file_t *ppd, const char *name);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the page size</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The length of the specified page size in points or 0 if the page size
+does not exist.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdPageLength()</CODE> function returns the page length of the
+specified page size.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+printf("Length = %.0f\n", ppdPageLength(ppd, "Letter"));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdPageLength"><CODE>ppdPageLength()</CODE></A>,
+<A HREF="#ppdPageSize"><CODE>ppdPageSize()</CODE></A>,
+<A HREF="#ppdPageWidth"><CODE>ppdPageWidth()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdPageSize">ppdPageSize()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+ppd_size_t *ppdPageSize(ppd_file_t *ppd, const char *name);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the page size</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>A pointer to the page size record of the specified page size in
+points or NULL if the page size does not exist.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdPageSize()</CODE> function returns the page size record for the
+specified page size.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+ppd_size_t *size;
+
+size = ppdPageSize(ppd, "Letter");
+if (size != NULL)
+{
+  printf(" Width = %.0f\n", size->width);
+  printf("Length = %.0f\n", size->length);
+  printf("  Left = %.0f\n", size->left);
+  printf(" Right = %.0f\n", size->right);
+  printf("Bottom = %.0f\n", size->bottom);
+  printf("   Top = %.0f\n", size->top);
+}
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdPageLength"><CODE>ppdPageLength()</CODE></A>,
+<A HREF="#ppdPageWidth"><CODE>ppdPageWidth()</CODE></A>
+
+
+<!-- NEW PAGE --><H2><A NAME="ppdPageWidth">ppdPageWidth()</A></H2>
+
+<H3>Usage</H3>
+
+<PRE>
+float ppdPageWidth(ppd_file_t *ppd, const char *name);
+</PRE>
+
+<H3>Arguments</H3>
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<TR>
+	<TH>Argument</TH>
+	<TH>Description</TH>
+</TR>
+<TR>
+	<TD>ppd</TD>
+	<TD>The PPD file</TD>
+</TR>
+<TR>
+	<TD>name</TD>
+	<TD>The name of the page size</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Returns</H3>
+
+<P>The width of the specified page size in points or 0 if the page size
+does not exist.
+
+<H3>Description</H3>
+
+<P>The <CODE>ppdPageWidth()</CODE> function returns the page width of the
+specified page size.
+
+<H3>Example</H3>
+
+<PRE>
+#include &lt;cups/ppd.h>
+
+ppd_file_t *ppd;
+
+printf("Width = %.0f\n", ppdPageWidth(ppd, "Letter"));
+</PRE>
+
+<H3>See Also</H3>
+
+<A HREF="#ppdPageLength"><CODE>ppdPageLength()</CODE></A>,
+<A HREF="#ppdPageSize"><CODE>ppdPageSize()</CODE></A>
+
+
+</BODY>
+</HTML>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Performance Specification</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SPS-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Performance Specification</H1></A><BR>
+CUPS-SPS-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Programs</A></B>
+<BR>
+<BR><B><A HREF="#4">4 Scheduler Objects</A></B>
+<BR>
+<BR><B><A HREF="#5">A Glossary</A></B>
+<UL>
+<LI><A HREF="#5_1">A.1 Terms</A></LI>
+<LI><A HREF="#5_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+<P>This software performance specification provides an analysis of the
+ memory, disk, and processor utilitization of each program in the Common
+ UNIX Printing System (&quot;CUPS&quot;) Version 1.1.</P>
+<P>For the purposes of comparison, all figures are for the Linux Intel
+ platform. Memory utilization on other platforms should be similar.</P>
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+<P>This software performance specification is organized into the
+ following sections:</P>
+<UL>
+<LI>1 - Scope</LI>
+<LI>2 - References</LI>
+<LI>3 - Programs</LI>
+<LI>4 - Scheduler Objects</LI>
+<LI>A - Glossary</LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Programs</A></H1>
+<P>The following table describes the average memory, disk, and CPU usage
+ of each program in CUPS.</P>
+<P>The base memory column shows the initial memory requirements for each
+ program, including any shared libraries that are provided by CUPS.</P>
+<P>The max memory column shows the maximum amount of memory that will be
+ used by the program based upon the default configuration settings
+ supplied with CUPS.</P>
+<P>The temp files column indicates whether any temporary files are
+ created.</P>
+<P>The CPU usage column specifies a relative CPU usage by the program
+ under normal conditions, either low, medium, or high. Low usage
+ indicates that the program will never use more than 33% of the
+ available CPU time. Medium usage indicates the program will use as much
+ as 66% of the available CPU time. High usage indicates the program uses
+ 66% or more of the available CPU time.
+<CENTER>
+<TABLE BORDER="1" WIDTH="80%">
+<TR><TH COLSPAN="3">Backends</TH></TR>
+<TR><TH>Program</TH><TH>Base Memory</TH><TH>Max Memory</TH><TH>Temp
+ Files</TH><TH>CPU Usage</TH></TR>
+<TR><TD>ipp</TD><TD>91k</TD><TD>256k</TD><TD>Up to size of print file</TD><TD>
+Low</TD></TR>
+<TR><TD>lpd</TD><TD>89k</TD><TD>89k</TD><TD>Up to size of print file</TD><TD>
+Low</TD></TR>
+<TR><TD>parallel</TD><TD>85k</TD><TD>85k</TD><TD>Up to size of print
+ file</TD><TD>Low</TD></TR>
+<TR><TD>serial</TD><TD>85k</TD><TD>85k</TD><TD>Up to size of print file</TD><TD>
+Low</TD></TR>
+<TR><TD>socket</TD><TD>85k</TD><TD>85k</TD><TD>Up to size of print file</TD><TD>
+Low</TD></TR>
+<TR><TD>usb</TD><TD>85k</TD><TD>85k</TD><TD>Up to size of print file</TD><TD>
+Low</TD></TR>
+<TR><TH COLSPAN="3">CGIs</TH></TR>
+<TR><TH>Program</TH><TH>Base Memory</TH><TH>Max Memory</TH><TH>Temp
+ Files</TH><TH>CPU Usage</TH></TR>
+<TR><TD>admin.cgi</TD><TD>107k</TD><TD>256k</TD><TD>Up to size of PPD
+ file</TD><TD>Medium</TD></TR>
+<TR><TD>classes.cgi</TD><TD>95k</TD><TD>Size of class objects</TD><TD>
+None</TD><TD>Medium</TD></TR>
+<TR><TD>jobs.cgi</TD><TD>93k</TD><TD>Size of job objects</TD><TD>None</TD><TD>
+Medium</TD></TR>
+<TR><TD>printers.cgi</TD><TD>95k</TD><TD>Size of printer objects</TD><TD>
+None</TD><TD>Medium</TD></TR>
+<TR><TH COLSPAN="3">Command-Line Programs</TH></TR>
+<TR><TH>Program</TH><TH>Base Memory</TH><TH>Max Memory</TH><TH>Temp
+ Files</TH><TH>CPU Usage</TH></TR>
+<TR><TD>accept</TD><TD>88k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>cancel</TD><TD>88k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>disable</TD><TD>88k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>enable</TD><TD>88k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lp</TD><TD>90k</TD><TD>256k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lpadmin</TD><TD>148k</TD><TD>256k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lpc</TD><TD>86k</TD><TD>Size of job and printer objects</TD><TD>
+None</TD><TD>Medium</TD></TR>
+<TR><TD>lpinfo</TD><TD>89k</TD><TD>Size of device and PPD objects</TD><TD>
+None</TD><TD>Medium</TD></TR>
+<TR><TD>lpmove</TD><TD>88k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lpoptions</TD><TD>89k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lppasswd</TD><TD>90k</TD><TD>90k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lpq</TD><TD>87k</TD><TD>Size of job objects</TD><TD>None</TD><TD>
+Medium</TD></TR>
+<TR><TD>lpr</TD><TD>87k</TD><TD>256k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lprm</TD><TD>84k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>lpstat</TD><TD>119k</TD><TD>Size of job, printer, and class
+ objects</TD><TD>None</TD><TD>Medium</TD></TR>
+<TR><TD>reject</TD><TD>88k</TD><TD>128k</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TH COLSPAN="3">Daemons</TH></TR>
+<TR><TH>Program</TH><TH>Base Memory</TH><TH>Max Memory</TH><TH>Temp
+ Files</TH><TH>CPU Usage</TH></TR>
+<TR><TD>cups-lpd</TD><TD>92k</TD><TD>256k</TD><TD>One file per control
+ or data file from client</TD><TD>Low</TD></TR>
+<TR><TD>cupsd</TD><TD>308k</TD><TD>See Scheduler Requirements</TD><TD>
+See Scheduler Requirements</TD><TD>Medium</TD></TR>
+<TR><TD>cups-polld</TD><TD>84k</TD><TD>Size of printer and class objects</TD><TD>
+None</TD><TD>Low</TD></TR>
+<TR><TH COLSPAN="3">Filters</TH></TR>
+<TR><TH>Program</TH><TH>Base Memory</TH><TH>Max Memory</TH><TH>Temp
+ Files</TH><TH>CPU Usage</TH></TR>
+<TR><TD>hpgltops</TD><TD>263k</TD><TD>320k</TD><TD>None</TD><TD>Medium</TD>
+</TR>
+<TR><TD>imagetops</TD><TD>628k</TD><TD>10M</TD><TD>Swap file for
+ uncompressed image data</TD><TD>Medium</TD></TR>
+<TR><TD>imagetoraster</TD><TD>652k</TD><TD>10M</TD><TD>Swap file for
+ uncompressed image data</TD><TD>High</TD></TR>
+<TR><TD>pstops</TD><TD>775k</TD><TD>840k</TD><TD>Up to size of print
+ file</TD><TD>Medium</TD></TR>
+<TR><TD>pstoraster</TD><TD>4M</TD><TD>14M</TD><TD>Swap file for command
+ lists</TD><TD>High</TD></TR>
+<TR><TD>rastertoepson</TD><TD>693k</TD><TD>1M</TD><TD>None</TD><TD>Low</TD>
+</TR>
+<TR><TD>rastertohp</TD><TD>690k</TD><TD>1M</TD><TD>None</TD><TD>Low</TD></TR>
+<TR><TD>texttops</TD><TD>638k</TD><TD>4*cols*rows</TD><TD>None</TD><TD>
+Low</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H1><A NAME="4">4 Scheduler Objects</A></H1>
+<P>The <CODE>cupsd</CODE> program is the CUPS scheduler process. It
+ manages many interdependent server objects that are used to manage and
+ print files to printers.</P>
+<P>The following table provides the memory and disk cost associated with
+ each server object.
+<CENTER>
+<TABLE BORDER="1" WIDTH="80%">
+<TR><TH>Object</TH><TH>Memory Per</TH><TH>Disk Per</TH></TR>
+<TR><TD>Browse ACL</TD><TD>1k</TD><TD>120</TD></TR>
+<TR><TD>Browse Poll</TD><TD>24</TD><TD>80</TD></TR>
+<TR><TD>Browse Relay</TD><TD>28</TD><TD>80</TD></TR>
+<TR><TD>Certificate</TD><TD>76</TD><TD>32</TD></TR>
+<TR><TD>Class</TD><TD>9k</TD><TD>200</TD></TR>
+<TR><TD>Client</TD><TD>13k</TD><TD>-</TD></TR>
+<TR><TD>Device</TD><TD>256</TD><TD>-</TD></TR>
+<TR><TD>Job</TD><TD>2k</TD><TD>1k + size of document files</TD></TR>
+<TR><TD>Location ACL</TD><TD>1k</TD><TD>120</TD></TR>
+<TR><TD>MIME Filter</TD><TD>268</TD><TD>80</TD></TR>
+<TR><TD>MIME Type</TD><TD>340</TD><TD>80</TD></TR>
+<TR><TD>PPD</TD><TD>200</TD><TD>656</TD></TR>
+<TR><TD>Printer</TD><TD>11k</TD><TD>32k</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H1 TYPE="A" VALUE="1"><A NAME="5">A Glossary</A></H1>
+<H2><A NAME="5_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="5_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
diff --git a/doc/sps.pdf b/doc/sps.pdf
new file mode 100644
index 000000000..5860931ca
--- /dev/null
+++ b/doc/sps.pdf
diff --git a/doc/sps.shtml b/doc/sps.shtml
new file mode 100644
index 000000000..88959006e
--- /dev/null
+++ b/doc/sps.shtml
@@ -0,0 +1,457 @@
+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SPS-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Performance Specification</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+<P>This software performance specification provides an analysis of the
+memory, disk, and processor utilitization of each program in the
+Common UNIX Printing System ("CUPS") Version 1.1.</P>
+
+<P>For the purposes of comparison, all figures are for the Linux Intel
+platform. Memory utilization on other platforms should be similar.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This software performance specification is organized into the
+following sections:</P>
+
+<UL>
+	<LI>1 - Scope</LI>
+	<LI>2 - References</LI>
+	<LI>3 - Programs</LI>
+	<LI>4 - Scheduler Objects</LI>
+	<LI>A - Glossary</LI>
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Programs</H1>
+
+<P>The following table describes the average memory, disk, and CPU usage of
+each program in CUPS.
+
+<P>The base memory column shows the initial memory requirements for each
+program, including any shared libraries that are provided by CUPS.
+
+<P>The max memory column shows the maximum amount of memory that will be
+used by the program based upon the default configuration settings supplied
+with CUPS.
+
+<P>The temp files column indicates whether any temporary files are created.
+
+<P>The CPU usage column specifies a relative CPU usage by the program under
+normal conditions, either low, medium, or high.  Low usage indicates that
+the program will never use more than 33% of the available CPU time. Medium
+usage indicates the program will use as much as 66% of the available CPU
+time. High usage indicates the program uses 66% or more of the available CPU
+time.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1">
+<TR>
+	<TH COLSPAN="3">Backends</TH>
+</TR>
+<TR>
+	<TH>Program</TH>
+	<TH>Base Memory</TH>
+	<TH>Max Memory</TH>
+	<TH>Temp Files</TH>
+	<TH>CPU Usage</TH>
+</TR>
+<TR>
+	<TD>ipp</TD>
+	<TD>91k</TD>
+	<TD>256k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lpd</TD>
+	<TD>89k</TD>
+	<TD>89k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>parallel</TD>
+	<TD>85k</TD>
+	<TD>85k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>serial</TD>
+	<TD>85k</TD>
+	<TD>85k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>socket</TD>
+	<TD>85k</TD>
+	<TD>85k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>usb</TD>
+	<TD>85k</TD>
+	<TD>85k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TH COLSPAN="3">CGIs</TH>
+</TR>
+<TR>
+	<TH>Program</TH>
+	<TH>Base Memory</TH>
+	<TH>Max Memory</TH>
+	<TH>Temp Files</TH>
+	<TH>CPU Usage</TH>
+</TR>
+<TR>
+	<TD>admin.cgi</TD>
+	<TD>107k</TD>
+	<TD>256k</TD>
+	<TD>Up to size of PPD file</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>classes.cgi</TD>
+	<TD>95k</TD>
+	<TD>Size of class objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>jobs.cgi</TD>
+	<TD>93k</TD>
+	<TD>Size of job objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>printers.cgi</TD>
+	<TD>95k</TD>
+	<TD>Size of printer objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TH COLSPAN="3">Command-Line Programs</TH>
+</TR>
+<TR>
+	<TH>Program</TH>
+	<TH>Base Memory</TH>
+	<TH>Max Memory</TH>
+	<TH>Temp Files</TH>
+	<TH>CPU Usage</TH>
+</TR>
+<TR>
+	<TD>accept</TD>
+	<TD>88k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>cancel</TD>
+	<TD>88k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>disable</TD>
+	<TD>88k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>enable</TD>
+	<TD>88k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lp</TD>
+	<TD>90k</TD>
+	<TD>256k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lpadmin</TD>
+	<TD>148k</TD>
+	<TD>256k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lpc</TD>
+	<TD>86k</TD>
+	<TD>Size of job and printer objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>lpinfo</TD>
+	<TD>89k</TD>
+	<TD>Size of device and PPD objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>lpmove</TD>
+	<TD>88k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lpoptions</TD>
+	<TD>89k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lppasswd</TD>
+	<TD>90k</TD>
+	<TD>90k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lpq</TD>
+	<TD>87k</TD>
+	<TD>Size of job objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>lpr</TD>
+	<TD>87k</TD>
+	<TD>256k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lprm</TD>
+	<TD>84k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>lpstat</TD>
+	<TD>119k</TD>
+	<TD>Size of job, printer, and class objects</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>reject</TD>
+	<TD>88k</TD>
+	<TD>128k</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TH COLSPAN="3">Daemons</TH>
+</TR>
+<TR>
+	<TH>Program</TH>
+	<TH>Base Memory</TH>
+	<TH>Max Memory</TH>
+	<TH>Temp Files</TH>
+	<TH>CPU Usage</TH>
+</TR>
+<TR>
+	<TD>cups-lpd</TD>
+	<TD>92k</TD>
+	<TD>256k</TD>
+	<TD>One file per control or data file from client</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>cupsd</TD>
+	<TD>308k</TD>
+	<TD>See Scheduler Requirements</TD>
+	<TD>See Scheduler Requirements</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>cups-polld</TD>
+	<TD>84k</TD>
+	<TD>Size of printer and class objects</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TH COLSPAN="3">Filters</TH>
+</TR>
+<TR>
+	<TH>Program</TH>
+	<TH>Base Memory</TH>
+	<TH>Max Memory</TH>
+	<TH>Temp Files</TH>
+	<TH>CPU Usage</TH>
+</TR>
+<TR>
+	<TD>hpgltops</TD>
+	<TD>263k</TD>
+	<TD>320k</TD>
+	<TD>None</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>imagetops</TD>
+	<TD>628k</TD>
+	<TD>10M</TD>
+	<TD>Swap file for uncompressed image data</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>imagetoraster</TD>
+	<TD>652k</TD>
+	<TD>10M</TD>
+	<TD>Swap file for uncompressed image data</TD>
+	<TD>High</TD>
+</TR>
+<TR>
+	<TD>pstops</TD>
+	<TD>775k</TD>
+	<TD>840k</TD>
+	<TD>Up to size of print file</TD>
+	<TD>Medium</TD>
+</TR>
+<TR>
+	<TD>pstoraster</TD>
+	<TD>4M</TD>
+	<TD>14M</TD>
+	<TD>Swap file for command lists</TD>
+	<TD>High</TD>
+</TR>
+<TR>
+	<TD>rastertoepson</TD>
+	<TD>693k</TD>
+	<TD>1M</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>rastertohp</TD>
+	<TD>690k</TD>
+	<TD>1M</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+<TR>
+	<TD>texttops</TD>
+	<TD>638k</TD>
+	<TD>4*cols*rows</TD>
+	<TD>None</TD>
+	<TD>Low</TD>
+</TR>
+</TABLE></CENTER>
+
+
+<H1>Scheduler Objects</H1>
+
+<P>The <CODE>cupsd</CODE> program is the CUPS scheduler process. It manages
+many interdependent server objects that are used to manage and print files
+to printers.
+
+<P>The following table provides the memory and disk cost associated with each
+server object.
+
+<CENTER><TABLE WIDTH="80%" BORDER="1">
+<TR>
+	<TH>Object</TH>
+	<TH>Memory Per</TH>
+	<TH>Disk Per</TH>
+</TR>
+<TR>
+	<TD>Browse ACL</TD>
+	<TD>1k</TD>
+	<TD>120</TD>
+</TR>
+<TR>
+	<TD>Browse Poll</TD>
+	<TD>24</TD>
+	<TD>80</TD>
+</TR>
+<TR>
+	<TD>Browse Relay</TD>
+	<TD>28</TD>
+	<TD>80</TD>
+</TR>
+<TR>
+	<TD>Certificate</TD>
+	<TD>76</TD>
+	<TD>32</TD>
+</TR>
+<TR>
+	<TD>Class</TD>
+	<TD>9k</TD>
+	<TD>200</TD>
+</TR>
+<TR>
+	<TD>Client</TD>
+	<TD>13k</TD>
+	<TD>-</TD>
+</TR>
+<TR>
+	<TD>Device</TD>
+	<TD>256</TD>
+	<TD>-</TD>
+</TR>
+<TR>
+	<TD>Job</TD>
+	<TD>2k</TD>
+	<TD>1k + size of document files</TD>
+</TR>
+<TR>
+	<TD>Location ACL</TD>
+	<TD>1k</TD>
+	<TD>120</TD>
+</TR>
+<TR>
+	<TD>MIME Filter</TD>
+	<TD>268</TD>
+	<TD>80</TD>
+</TR>
+<TR>
+	<TD>MIME Type</TD>
+	<TD>340</TD>
+	<TD>80</TD>
+</TR>
+<TR>
+	<TD>PPD</TD>
+	<TD>200</TD>
+	<TD>656</TD>
+</TR>
+<TR>
+	<TD>Printer</TD>
+	<TD>11k</TD>
+	<TD>32k</TD>
+</TR>
+</TABLE></CENTER>
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
diff --git a/doc/ssr.html b/doc/ssr.html
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+++ b/doc/ssr.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Security Report</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SSR-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Security Report</H1></A><BR>
+CUPS-SSR-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Local Access Risks</A></B>
+<UL>
+<LI><A HREF="#3_1">3.1 Security Breaches</A></LI>
+</UL>
+<B><A HREF="#4">4 Remote Access Risks</A></B>
+<UL>
+<LI><A HREF="#4_1">4.1 Denial of Service Attacks</A></LI>
+<LI><A HREF="#4_2">4.2 Security Breaches</A></LI>
+</UL>
+<B><A HREF="#5">A Glossary</A></B>
+<UL>
+<LI><A HREF="#5_1">A.1 Terms</A></LI>
+<LI><A HREF="#5_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+<P>This software security report provides an analysis of possible
+ security concerns for the Common UNIX Printing System (&quot;CUPS&quot;) Version
+ 1.1.</P>
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+<P>This software security report is organized into the following
+ sections:</P>
+<UL>
+<LI>1 - Scope</LI>
+<LI>2 - References</LI>
+<LI>3 - Local Access Risks</LI>
+<LI>4 - Remote Access Risks</LI>
+<LI>A - Glossary</LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Local Access Risks</A></H1>
+<P>Local access risks are those that can be exploited only with a local
+ user account. This section does not address issues related to
+ dissemination of the root password or other security issues associated
+ with the UNIX operating system.</P>
+<H2><A NAME="3_1">3.1 Security Breaches</A></H2>
+<P>There is one known security vulnerability with local access:</P>
+<OL>
+<LI>Device URIs are passed to backend filters in argv[0] and in an
+ environment variable. Since device URIs can contain usernames and
+ passwords it may be possible for a local user to gain access to a
+ remote resource.</LI>
+<P>We recommend that any password-protected accounts used for remote
+ printing have limited access priviledges so that the possible damages
+ can be minimized.</P>
+<P>The device URI is &quot;sanitized&quot; (the username and password are removed)
+ when sent to an IPP client so that a remote user cannot exploit this
+ vulnerability.</P>
+</OL>
+<H1><A NAME="4">4 Remote Access Risks</A></H1>
+<P>Remote access risks are those that can be exploited without a local
+ user account and/or from a remote system. This section does not address
+ issues related to network or firewall security.</P>
+<H2><A NAME="4_1">4.1 Denial of Service Attacks</A></H2>
+<P>Like all Internet services, the CUPS server is vulnerable to denial
+ of service attacks, including:</P>
+<OL>
+<LI>Establishing multiple connections to the server until the server
+ will accept no more.</LI>
+<P>This cannot be protected against by the current software. It is
+ possible that future versions of the CUPS software could be configured
+ to limit the number of connections allowed from a single host, however
+ that still would not prevent a distributed attack.</P>
+<LI>Repeatedly opening and closing connections to the server as fast as
+ possible.</LI>
+<P>There is no easy way of protecting against this in the CUPS software.
+ If the attack is coming from outside the local network it might be
+ possible to filter such an attack, however once the connection request
+ has been received by the server it must at least accept the connection
+ to find out who is connecting.</P>
+<LI>Flooding the network with broadcast packets on port 631.</LI>
+<P>It might be possible to disable browsing if this condition is
+ detected by the CUPS software, however if there are large numbers of
+ printers available on the network such an algorithm might think that an
+ attack was occurring when instead a valid update was being received.</P>
+<LI>Sending partial IPP requests; specifically, sending part of an
+ attribute value and then stopping transmission.</LI>
+<P>The current code is structured to read and write the IPP request data
+ on-the-fly, so there is no easy way to protect against this for large
+ attribute values.</P>
+<LI>Sending large/long print jobs to printers, preventing other users
+ from printing.</LI>
+<P>There are limited facilities for protecting against large print jobs
+ (the <CODE>MaxRequestSize</CODE> attribute), however this will not
+ protect printers from malicious users and print files that generate
+ hundreds or thousands of pages. In general, we recommend restricting
+ printer access to known hosts or networks, and adding user-level access
+ control as needed for expensive printers.</P>
+</OL>
+<H2><A NAME="4_2">4.2 Security Breaches</A></H2>
+<P>The current CUPS server supports Basic, Digest, and local certificate
+ authentication:</P>
+<OL>
+<LI>Basic authentication essentially places the clear text of the
+ username and password on the network. Since CUPS uses the UNIX username
+ and password account information, the authentication information could
+ be used to gain access to accounts (possibly priviledged accounts) on
+ the server.</LI>
+<LI>Digest authentication uses an MD5 checksum of the username,
+ password, and domain (&quot;CUPS&quot;), so the original username and password is
+ not sent over the network. However, the current implementation does not
+ authenticate the entire message and uses the client's IP address for
+ the nonce value, making it possible to launch &quot;man in the middle&quot; and
+ replay attacks from the same client. The next minor release of CUPS
+ will support Digest authentication of the entire message body,
+ effectively stopping these methods of attack.</LI>
+<LI>Local certificate authentication passes 128-bit &quot;certificates&quot; that
+ identify an authenticated user. Certificates are created on-the-fly
+ from random data and stored in files under <CODE>/etc/cups/certs</CODE>
+. They have restricted read permissions: root + system for the root
+ certificate, and lp + system for CGI certificates. Because certificates
+ are only available on the local system, the CUPS server does not accept
+ local authentication unless the client is connected to the localhost
+ address (127.0.0.1.)</LI>
+</OL>
+<P>The default CUPS configuration disables remote administration. We do
+ not recommend that remote administration be enabled for all hosts.
+ However, if you have a trusted network or subnet, access can be
+ restricted accordingly. Also, we highly recommend using Digest
+ authentication when possible. Unfortunately, most web browsers do not
+ support Digest authentication at this time.</P>
+<H1 TYPE="A" VALUE="1"><A NAME="5">A Glossary</A></H1>
+<H2><A NAME="5_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="5_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
diff --git a/doc/ssr.pdf b/doc/ssr.pdf
new file mode 100644
index 000000000..afb05b63a
--- /dev/null
+++ b/doc/ssr.pdf
diff --git a/doc/ssr.shtml b/doc/ssr.shtml
new file mode 100644
index 000000000..8dc9cf590
--- /dev/null
+++ b/doc/ssr.shtml
@@ -0,0 +1,167 @@
+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SSR-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Security Report</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+<P>This software security report provides an analysis of possible security
+concerns for the Common UNIX Printing System ("CUPS") Version 1.1.</P>
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This software security report is organized into the following sections:</P>
+
+<UL>
+	<LI>1 - Scope</LI>
+	<LI>2 - References</LI>
+	<LI>3 - Local Access Risks</LI>
+	<LI>4 - Remote Access Risks</LI>
+	<LI>A - Glossary</LI>
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Local Access Risks</H1>
+
+<P>Local access risks are those that can be exploited only with a local user
+account. This section does not address issues related to dissemination of the
+root password or other security issues associated with the UNIX operating
+system.
+
+<H2>Security Breaches</H2>
+
+<P>There is one known security vulnerability with local access:
+
+<OL>
+
+	<LI>Device URIs are passed to backend filters in argv[0] and in
+	an environment variable. Since device URIs can contain
+	usernames and passwords it may be possible for a local user to
+	gain access to a remote resource.
+
+	<P>We recommend that any password-protected accounts used for
+	remote printing have limited access priviledges so that the
+	possible damages can be minimized.
+
+	<P>The device URI is "sanitized" (the username and password are
+	removed) when sent to an IPP client so that a remote user
+	cannot exploit this vulnerability.
+
+</OL>
+
+<H1>Remote Access Risks</H1>
+
+<P>Remote access risks are those that can be exploited without a local user
+account and/or from a remote system. This section does not address issues
+related to network or firewall security.
+
+<H2>Denial of Service Attacks</H2>
+
+<P>Like all Internet services, the CUPS server is vulnerable to denial of
+service attacks, including:
+
+<OL>
+
+	<LI>Establishing multiple connections to the server until the server
+	will accept no more.
+
+	<P>This cannot be protected against by the current software. It
+	is possible that future versions of the CUPS software could be
+	configured to limit the number of connections allowed from a
+	single host, however that still would not prevent a distributed
+	attack.
+
+	<LI>Repeatedly opening and closing connections to the server as fast
+	as possible.
+
+	<P>There is no easy way of protecting against this in the CUPS
+	software. If the attack is coming from outside the local
+	network it might be possible to filter such an attack, however
+	once the connection request has been received by the server it
+	must at least accept the connection to find out who is
+	connecting.
+
+	<LI>Flooding the network with broadcast packets on port 631.
+
+	<P>It might be possible to disable browsing if this condition
+	is detected by the CUPS software, however if there are large
+	numbers of printers available on the network such an algorithm
+	might think that an attack was occurring when instead a valid
+	update was being received.
+
+	<LI>Sending partial IPP requests; specifically, sending part of an
+	attribute value and then stopping transmission.
+
+	<P>The current code is structured to read and write the IPP
+	request data on-the-fly, so there is no easy way to protect
+	against this for large attribute values.
+
+	<LI>Sending large/long print jobs to printers, preventing other users
+	from printing.
+
+	<P>There are limited facilities for protecting against large print
+	jobs (the <CODE>MaxRequestSize</CODE> attribute), however this will
+	not protect printers from malicious users and print files that
+	generate hundreds or thousands of pages. In general, we recommend
+	restricting printer access to known hosts or networks, and adding
+	user-level access control as needed for expensive printers.
+
+</OL>
+
+<H2>Security Breaches</H2>
+
+<P>The current CUPS server supports Basic, Digest, and local certificate
+authentication:
+
+<OL>
+
+	<LI>Basic authentication essentially places the clear text of
+	the username and password on the network. Since CUPS uses the
+	UNIX username and password account information, the
+	authentication information could be used to gain access to
+	accounts (possibly priviledged accounts) on the server.
+
+	<LI>Digest authentication uses an MD5 checksum of the username,
+	password, and domain ("CUPS"), so the original username and
+	password is not sent over the network. However, the current
+	implementation does not authenticate the entire message and
+	uses the client's IP address for the nonce value, making it
+	possible to launch "man in the middle" and replay attacks from
+	the same client.  The next minor release of CUPS will support
+	Digest authentication of the entire message body, effectively
+	stopping these methods of attack.
+
+	<LI>Local certificate authentication passes 128-bit
+	"certificates" that identify an authenticated user.
+	Certificates are created on-the-fly from random data and stored
+	in files under <CODE>/etc/cups/certs</CODE>. They have
+	restricted read permissions: root + system for the root
+	certificate, and lp + system for CGI certificates. Because
+	certificates are only available on the local system, the CUPS
+	server does not accept local authentication unless the client
+	is connected to the localhost address (127.0.0.1.)
+
+</OL>
+
+<P>The default CUPS configuration disables remote administration. We do
+not recommend that remote administration be enabled for all hosts.
+However, if you have a trusted network or subnet, access can be
+restricted accordingly.
+
+Also, we highly recommend using Digest authentication when possible.
+Unfortunately, most web browsers do not support Digest authentication
+at this time.
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
diff --git a/doc/stp.html b/doc/stp.html
new file mode 100644
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--- /dev/null
+++ b/doc/stp.html
@@ -0,0 +1,262 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Test Plan</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-STP-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Test Plan</H1></A><BR>
+CUPS-STP-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Test Procedure</A></B>
+<BR>
+<BR><B><A HREF="#4">4 IPP Compliance Tests</A></B>
+<UL>
+<LI><A HREF="#4_1">4.1 Request Tests</A></LI>
+<LI><A HREF="#4_2">4.2 CUPS Printer Operation Tests</A></LI>
+<LI><A HREF="#4_3">4.3 Job Operation Tests</A></LI>
+</UL>
+<B><A HREF="#5">5 Command Tests</A></B>
+<UL>
+<LI><A HREF="#5_1">5.1 lpadmin</A></LI>
+<LI><A HREF="#5_2">5.2 lpc</A></LI>
+<LI><A HREF="#5_3">5.3 lpq</A></LI>
+<LI><A HREF="#5_4">5.4 lpstat</A></LI>
+<LI><A HREF="#5_5">5.5 lp</A></LI>
+<LI><A HREF="#5_6">5.6 lpr</A></LI>
+<LI><A HREF="#5_7">5.7 lprm</A></LI>
+<LI><A HREF="#5_8">5.8 cancel</A></LI>
+<LI><A HREF="#5_9">5.9 lpinfo</A></LI>
+</UL>
+<B><A HREF="#6">A Glossary</A></B>
+<UL>
+<LI><A HREF="#6_1">A.1 Terms</A></LI>
+<LI><A HREF="#6_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+<P>This software test plan provides detailed tests that are used to
+ evaluate the stability and compliance of the Common UNIX Printing
+ System (&quot;CUPS&quot;) Version 1.1.</P>
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+<P>This software test plan is organized into the following sections:</P>
+<UL>
+<LI>1 - Scope</LI>
+<LI>2 - References</LI>
+<LI>3 - Test Procedure</LI>
+<LI>4 - IPP Compliance Tests</LI>
+<LI>5 - Command Tests</LI>
+<LI>A - Glossary</LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Test Procedure</A></H1>
+<P>The test software and data files are located in the<VAR> test</VAR>
+ subdirectory of the source distribution. A script is provided to
+ compile the <CODE>ipptest</CODE> program and run all of the tests that
+ follow, producing a success/fail report.</P>
+<P>The <CODE>test</CODE> target of the top-level makefile can be used to
+ run this script:</P>
+<UL>
+<PRE>
+make test
+</PRE>
+</UL>
+<P>or you can run the test script directly:</P>
+<UL>
+<PRE>
+cd test
+./run-stp-tests
+</PRE>
+</UL>
+<P>A Software Test Report is stored in HTML and PDF files that are
+ generated using the<A HREF="http://www.easysw.com/htmldoc"> HTMLDOC</A>
+ software.</P>
+<H1><A NAME="4">4 IPP Compliance Tests</A></H1>
+<P>This section describes the tests used to validate the IPP standards
+ compliance of the CUPS server.</P>
+<H2><A NAME="4_1">4.1 Request Tests</A></H2>
+<P>These tests verify that the CUPS scheduler only accepts valid IPP
+ requests that start with the <CODE>attributes-charset</CODE> and <CODE>
+attributes-natural-language</CODE> attributes and also contain a <CODE>
+printer-uri</CODE> or <CODE>job-uri</CODE> attribute.</P>
+<P>It also verifies that the CUPS scheduler always responds with <CODE>
+attributes-charset</CODE> and <CODE>attributes-natural-language</CODE>
+ attributes, using default values if they are not provided by the
+ client.</P>
+<H2><A NAME="4_2">4.2 CUPS Printer Operation Tests</A></H2>
+<P>These tests verify that the CUPS printer operations are supported and
+ function properly. Two printers called <CODE>Test1</CODE> and <CODE>
+Test2</CODE> are created, one as a PostScript printer and one as a
+ raster printer.</P>
+<H2><A NAME="4_3">4.3 Job Operation Tests</A></H2>
+<P>These test verify that the CUPS scheduler accepts print jobs for all
+ supported file formats and that the <CODE>cancel-job</CODE>, <CODE>
+hold-job</CODE>, and <CODE>resume-job</CODE> operations work.</P>
+<H1><A NAME="5">5 Command Tests</A></H1>
+<P>This section describes the tests used to validate the Berkeley and
+ System V commands included with CUPS.</P>
+<H2><A NAME="5_1">5.1 lpadmin</A></H2>
+<P>This test verifies that printers can be added, modified, and
+ defaulted using the <CODE>lpadmin</CODE> command.</P>
+<H2><A NAME="5_2">5.2 lpc</A></H2>
+<P>This test verifies that the <CODE>lpc</CODE> command can show the
+ current status of all print queues.</P>
+<H2><A NAME="5_3">5.3 lpq</A></H2>
+<P>This test verifies that the <CODE>lpq</CODE> command lists any jobs
+ in the queue.</P>
+<H2><A NAME="5_4">5.4 lpstat</A></H2>
+<P>This test verifies that the <CODE>lpstat</CODE> command works with
+ all reports using the &quot;<CODE>-t</CODE>&quot; option.</P>
+<H2><A NAME="5_5">5.5 lp</A></H2>
+<P>This test verifies that the <CODE>lp</CODE> command works with both
+ the default destination and a specific destination.</P>
+<H2><A NAME="5_6">5.6 lpr</A></H2>
+<P>This test verifies that the <CODE>lpr</CODE> command works with both
+ the default destination and a specific destination.</P>
+<H2><A NAME="5_7">5.7 lprm</A></H2>
+<P>This test verifies that the <CODE>lprm</CODE> command can properly
+ cancel a job.</P>
+<H2><A NAME="5_8">5.8 cancel</A></H2>
+<P>This test verifies that the <CODE>cancel</CODE> command can properly
+ cancel a job or all jobs.</P>
+<H2><A NAME="5_9">5.9 lpinfo</A></H2>
+<P>This test verifies that the <CODE>lpinfo</CODE> command returns a
+ list of available printer drivers and devices.</P>
+<H1 TYPE="A" VALUE="1"><A NAME="6">A Glossary</A></H1>
+<H2><A NAME="6_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="6_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
diff --git a/doc/stp.pdf b/doc/stp.pdf
new file mode 100644
index 000000000..02ad677a3
--- /dev/null
+++ b/doc/stp.pdf
diff --git a/doc/stp.shtml b/doc/stp.shtml
new file mode 100644
index 000000000..ebd4a85fc
--- /dev/null
+++ b/doc/stp.shtml
@@ -0,0 +1,144 @@
+<HTML>
+<HEAD>
+	<META NAME="Description" CONTENT="Common UNIX Printing System Software Test Plan">
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-STP-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Test Plan</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+<P>This software test plan provides detailed tests that are used
+to evaluate the stability and compliance of the Common UNIX
+Printing System ("CUPS") Version 1.1.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This software test plan is organized into the following sections:
+
+<UL>
+	<LI>1 - Scope</LI>
+	<LI>2 - References</LI>
+	<LI>3 - Test Procedure</LI>
+	<LI>4 - IPP Compliance Tests</LI>
+	<LI>5 - Command Tests</LI>
+	<LI>A - Glossary</LI>
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Test Procedure</H1>
+
+<P>The test software and data files are located in the <VAR>test</VAR>
+subdirectory of the source distribution. A script is provided to compile
+the <CODE>ipptest</CODE> program and run all of the tests that follow,
+producing a success/fail report.
+
+<P>The <CODE>test</CODE> target of the top-level makefile can be used to
+run this script:
+
+<UL><PRE>
+make test
+</PRE></UL>
+
+<P>or you can run the test script directly:
+
+<UL><PRE>
+cd test
+./run-stp-tests
+</PRE></UL>
+
+<P>A Software Test Report is stored in HTML and PDF files that
+are generated using the
+<A HREF="http://www.easysw.com/htmldoc">HTMLDOC</A> software.
+
+<H1>IPP Compliance Tests</H1>
+
+<P>This section describes the tests used to validate the IPP
+standards compliance of the CUPS server.
+
+<H2>Request Tests</H2>
+
+<P>These tests verify that the CUPS scheduler only accepts valid
+IPP requests that start with the <CODE>attributes-charset</CODE>
+and <CODE>attributes-natural-language</CODE> attributes and also
+contain a <CODE>printer-uri</CODE> or <CODE>job-uri</CODE> attribute.
+
+<P>It also verifies that the CUPS scheduler always responds with
+<CODE>attributes-charset</CODE> and
+<CODE>attributes-natural-language</CODE> attributes, using
+default values if they are not provided by the client.
+
+<H2>CUPS Printer Operation Tests</H2>
+
+<P>These tests verify that the CUPS printer operations are supported
+and function properly. Two printers called <CODE>Test1</CODE> and
+<CODE>Test2</CODE> are created, one as a PostScript printer and one
+as a raster printer.
+
+<H2>Job Operation Tests</H2>
+
+<P>These test verify that the CUPS scheduler accepts print jobs for
+all supported file formats and that the <CODE>cancel-job</CODE>,
+<CODE>hold-job</CODE>, and <CODE>resume-job</CODE> operations work.
+
+<H1>Command Tests</H1>
+
+<P>This section describes the tests used to validate the
+Berkeley and System V commands included with CUPS.
+
+<H2>lpadmin</H2>
+
+<P>This test verifies that printers can be added, modified, and
+defaulted using the <CODE>lpadmin</CODE> command.
+
+<H2>lpc</H2>
+
+<P>This test verifies that the <CODE>lpc</CODE> command can show
+the current status of all print queues.
+
+<H2>lpq</H2>
+
+<P>This test verifies that the <CODE>lpq</CODE> command lists
+any jobs in the queue.
+
+<H2>lpstat</H2>
+
+<P>This test verifies that the <CODE>lpstat</CODE> command works
+with all reports using the "<CODE>-t</CODE>" option.
+
+<H2>lp</H2>
+
+<P>This test verifies that the <CODE>lp</CODE> command works
+with both the default destination and a specific destination.
+
+<H2>lpr</H2>
+
+<P>This test verifies that the <CODE>lpr</CODE> command works
+with both the default destination and a specific destination.
+
+<H2>lprm</H2>
+
+<P>This test verifies that the <CODE>lprm</CODE> command can
+properly cancel a job.
+
+<H2>cancel</H2>
+
+<P>This test verifies that the <CODE>cancel</CODE> command can
+properly cancel a job or all jobs.
+
+<H2>lpinfo</H2>
+
+<P>This test verifies that the <CODE>lpinfo</CODE> command
+returns a list of available printer drivers and devices.
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
diff --git a/doc/sum.html b/doc/sum.html
new file mode 100644
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--- /dev/null
+++ b/doc/sum.html
@@ -0,0 +1,1643 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Users Manual</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SUM-1.1.13">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY BGCOLOR="#ffffff">
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Users Manual</H1></A><BR>
+CUPS-SUM-1.1.13<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">Preface</A></B>
+<UL>
+<LI><A HREF="#1_1">System Overview</A></LI>
+<LI><A HREF="#1_2">Document Overview</A></LI>
+<LI><A HREF="#1_3">Notation Conventions</A></LI>
+<LI><A HREF="#1_4">Abbreviations</A></LI>
+<LI><A HREF="#1_5">Other References</A></LI>
+</UL>
+<B><A HREF="#OVERVIEW">1 - Printing System Overview</A></B>
+<UL>
+<LI><A HREF="#2_1">The Printing Problem</A></LI>
+<LI><A HREF="#2_2">The Technology</A></LI>
+<LI><A HREF="#2_3">Jobs</A></LI>
+<LI><A HREF="#2_4">Classes</A></LI>
+<LI><A HREF="#2_5">Filters</A></LI>
+<LI><A HREF="#2_6">Backends</A></LI>
+<LI><A HREF="#2_7">Printer Drivers</A></LI>
+<LI><A HREF="#2_8">Networking</A></LI>
+</UL>
+<B><A HREF="#USING_SYSTEM">2 - Using the Printing System</A></B>
+<UL>
+<LI><A HREF="#3_1">Submitting Files for Printing</A></LI>
+<LI><A HREF="#3_2">Choosing a Printer</A></LI>
+<LI><A HREF="#3_3">Setting Printer Options</A></LI>
+<LI><A HREF="#3_4">Printing Multiple Copies</A></LI>
+<LI><A HREF="#3_5">Checking the Printer Status from the Command-Line</A></LI>
+<LI><A HREF="#3_6">Checking the Printer Status from the Web</A></LI>
+<LI><A HREF="#3_7">Canceling a Print Job</A></LI>
+</UL>
+<B><A HREF="#STANDARD_OPTIONS">3 - Standard Printer Options</A></B>
+<UL>
+<LI><A HREF="#4_1">General Options</A></LI>
+<UL>
+<LI><A HREF="#4_1_1">Setting the Orientation</A></LI>
+<LI><A HREF="#4_1_2">Selecting the Media Size, Type, and Source</A></LI>
+<LI><A HREF="#4_1_3">Printing On Both Sides of the Paper</A></LI>
+</UL>
+<LI><A HREF="#4_2">Banner Options</A></LI>
+<UL>
+<LI><A HREF="#4_2_1">Selecting the Banner Page(s)</A></LI>
+</UL>
+<LI><A HREF="#4_3">Document Options</A></LI>
+<UL>
+<LI><A HREF="#4_3_1">Selecting a Range of Pages</A></LI>
+<LI><A HREF="#4_3_2">Selecting Even or Odd Pages</A></LI>
+<LI><A HREF="#4_3_3">N-Up Printing</A></LI>
+<LI><A HREF="#4_3_4">Setting the Brightness</A></LI>
+<LI><A HREF="#4_3_5">Setting the Gamma Correction</A></LI>
+</UL>
+<LI><A HREF="#4_4">Text Options</A></LI>
+<UL>
+<LI><A HREF="#4_4_1">Setting the Number of Characters Per Inch</A></LI>
+<LI><A HREF="#4_4_2">Setting the Number of Lines Per Inch</A></LI>
+<LI><A HREF="#4_4_3">Setting the Number of Columns</A></LI>
+<LI><A HREF="#4_4_4">Setting the Page Margins</A></LI>
+<LI><A HREF="#4_4_5">Pretty Printing</A></LI>
+</UL>
+<LI><A HREF="#4_5">Image Options</A></LI>
+<UL>
+<LI><A HREF="#4_5_1">Positioning the Image</A></LI>
+<LI><A HREF="#4_5_2">Scaling the Image</A></LI>
+<LI><A HREF="#4_5_3">Adjusting the Hue (Tint) of an Image</A></LI>
+<LI><A HREF="#4_5_4">Adjusting the Saturation (Color) of an Image</A></LI>
+</UL>
+<LI><A HREF="#4_6">HP-GL/2 Options</A></LI>
+<UL>
+<LI><A HREF="#4_6_1">Printing in Black</A></LI>
+<LI><A HREF="#4_6_2">Fitting the Plot on the Page</A></LI>
+<LI><A HREF="#4_6_3">Setting the Default Pen Width</A></LI>
+</UL>
+<LI><A HREF="#4_7">Raw or Unfiltered Output</A></LI>
+</UL>
+<B><A HREF="#SAVING_OPTIONS">4 - Saving Printer Options and Defaults</A></B>
+<UL>
+<LI><A HREF="#5_1">Printer Options</A></LI>
+<LI><A HREF="#5_2">Setting Options for a Specific Printer</A></LI>
+<LI><A HREF="#5_3">Viewing the Current Defaults</A></LI>
+<LI><A HREF="#5_4">Setting the Default Printer</A></LI>
+<LI><A HREF="#5_5">Printer Instances</A></LI>
+<LI><A HREF="#5_6">Removing Instances</A></LI>
+</UL>
+<B><A HREF="#LICENSE">A - Software License Agreement</A></B>
+<UL>
+<LI><A HREF="#6_1">Common UNIX Printing System License Agreement</A></LI>
+<UL>
+<LI><A HREF="#6_1_1">Introduction</A></LI>
+<LI><A HREF="#6_1_2">Trademarks</A></LI>
+<LI><A HREF="#6_1_3">Binary Distribution Rights</A></LI>
+<LI><A HREF="#6_1_4">Support</A></LI>
+</UL>
+<LI><A HREF="#6_2">GNU GENERAL PUBLIC LICENSE</A></LI>
+<LI><A HREF="#6_3">GNU LIBRARY GENERAL PUBLIC LICENSE</A></LI>
+</UL>
+<HR>
+<H1 ALIGN="RIGHT"><A NAME="1">Preface</A></H1>
+<P>This software users manual describes how to use the Common UNIX
+ Printing System<SUP>TM</SUP> (&quot;CUPS<SUP>TM</SUP>&quot;) Version 1.1.13.</P>
+<H2><A NAME="1_1">System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+
+<!-- NEED 2in -->
+<H2><A NAME="1_2">Document Overview</A></H2>
+<P>This software users manual is organized into the following sections:</P>
+<UL>
+<LI><A HREF="#OVERVIEW">1 - Printing System Overview</A></LI>
+<LI><A HREF="#USING_SYSTEM">2 - Using the Printing System</A></LI>
+<LI><A HREF="#STANDARD_OPTIONS">3 - Standard Printer Options</A></LI>
+<LI><A HREF="#SAVING_OPTIONS">4 - Saving Printer Options and Defaults</A>
+</LI>
+<LI><A HREF="#LICENSE">A - Software License Agreement</A></LI>
+</UL>
+<H2><A NAME="1_3">Notation Conventions</A></H2>
+<P>Various font and syntax conventions are used in this guide. Examples
+ and their meanings and uses are explained below:
+<CENTER>
+<TABLE WIDTH="80%">
+<TR><TH>Example</TH><TD>&nbsp;&nbsp;&nbsp;</TD><TH>Description</TH></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD><CODE>lpstat</CODE>
+<BR> <CODE>lpstat(1)</CODE></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>The names of commands;
+ the first mention of a command or function in a chapter is followed by
+ a manual page section number.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD><VAR>/var</VAR>
+<BR><VAR> /usr/share/cups/data/testprint.ps</VAR></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>
+File and directory names.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD NOWRAP><TT>Request ID is Printer-123</TT></TD><TD>
+&nbsp;&nbsp;&nbsp;</TD><TD>Screen output.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD NOWRAP><KBD>lp -d printer filename ENTER</KBD></TD><TD>
+&nbsp;&nbsp;&nbsp;</TD><TD>Literal user input; special keys like <KBD>ENTER</KBD> are
+ in ALL CAPS.</TD></TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP"><TD>12.3</TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD>Numbers in the text are
+ written using the period (.) to indicate the decimal point.</TD></TR>
+</TABLE>
+</CENTER>
+
+<!-- NEED 3in -->
+</P>
+<H2><A NAME="1_4">Abbreviations</A></H2>
+ The following abbreviations are used throughout this manual:
+<UL>
+<DL>
+<DT>kb</DT>
+<DD>Kilobytes, or 1024 bytes
+<BR>&nbsp;</DD>
+<DT>Mb</DT>
+<DD>Megabytes, or 1048576 bytes
+<BR>&nbsp;</DD>
+<DT>Gb</DT>
+<DD>Gigabytes, or 1073741824 bytes
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H2><A NAME="1_5">Other References</A></H2>
+<UL>
+<DL>
+<DT>CUPS Software Administrators Manual</DT>
+<DD>An administration guide for the CUPS software.
+<BR>&nbsp;</DD>
+<DT>CUPS Software Programmers Manual</DT>
+<DD>A programmer guide for interfacing with and/or extending the CUPS
+ software.
+<BR>&nbsp;</DD>
+</DL>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="OVERVIEW">1 - Printing System Overview</A></H1>
+<P>This chapter provides an overview of how the Common UNIX Printing
+ System works.</P>
+<H2><A NAME="2_1">The Printing Problem</A></H2>
+<P>For years<I> the printing problem</I> has plagued UNIX. Unlike
+ Microsoft&reg; Windows&reg; or Mac OS, UNIX has no standard interface or system
+ in place for supporting printers. Among the solutions currently
+ available, the Berkeley and System V printing systems are the most
+ prevalent.</P>
+<P>These printing systems support line printers (text only) or
+ PostScript printers (text and graphics), and with some coaxing they can
+ be made to support a full range of printers and file formats. However,
+ because each varient of the UNIX operating system uses a different
+ printing system than the next developing printer drivers for a wide
+ range of printers and operating systems is extremely difficult. That
+ combined with the limited volume of customers for each UNIX varient has
+ forced most printer vendors to give up supporting UNIX entirely.</P>
+<P>CUPS is designed to eliminate<I> the printing problem</I>. One common
+ printing system can be used by all UNIX varients to support the
+ printing needs of users. Printer vendors can use its modular filter
+ interface to develop a single driver program that supports a wide range
+ of file formats with little or no effort. Since CUPS provides both the
+ System V and Berkeley printing commands, users (and applications) can
+ reap the benefits of this new technology with no changes.</P>
+<H2><A NAME="2_2">The Technology</A></H2>
+<P>CUPS is based upon an emerging Internet standard called the Internet
+ Printing Protocol. IPP has been embraced by dozens of printer and
+ printer server manufacturers and is supported by Microsoft Windows
+ 2000.</P>
+<P>IPP defines a standard protocol for printing as well as managing
+ print jobs and printer options like media size, resolution, and so
+ forth. Like all IP-based protocols, IPP can be used locally or over the
+ Internet to printers hundreds or thousands of miles away. Unlike other
+ protocols, however, IPP also supports access control, authentication,
+ and encryption, making it a much more capable and secure printing
+ solution than older ones.</P>
+<P>IPP is layered on top of the Hyper-Text Transport Protocol (&quot;HTTP&quot;)
+ which is the basis of web servers on the Internet. This allows users to
+ view documentation, check status information on a printer or server,
+ and manage their printers, classes, and jobs using their web browser.</P>
+<P>CUPS provides a complete IPP/1.1 based printing system that provides
+ Basic, Digest, and local certificate authentication and user, domain,
+ or IP-based access control. TLS encryption will be available in future
+ versions of CUPS.</P>
+<H2><A NAME="2_3">Jobs</A></H2>
+<P>Each file or set of files that is submitted for printing is called a<I>
+ job</I>. Jobs are identified by a unique number starting at 1 and are
+ assigned to a particular destination, usually a printer. Jobs can also
+ have options associated with them such as media size, number of copies,
+ and priority.</P>
+<H2><A NAME="2_4">Classes</A></H2>
+<P>CUPS supports collections of printers known as<I> classes</I>. Jobs
+ sent to a class are forwarded to the first available printer in the
+ class.</P>
+<H2><A NAME="2_5">Filters</A></H2>
+<P>Filters allow a user or application to print many types of files
+ without extra effort. Print jobs sent to a CUPS server are filtered
+ before sending them to a printer. Some filters convert job files to
+ different formats that the printer can understand. Others perform page
+ selection and ordering tasks.</P>
+<P>CUPS provides filters for printing many types of image files, HP-GL/2
+ files, PDF files, and text files. CUPS also supplies PostScript and
+ image file Raster Image Processor (&quot;RIP&quot;) filters that convert
+ PostScript or image files into bitmaps that can be sent to a raster
+ printer.</P>
+<H2><A NAME="2_6">Backends</A></H2>
+<P>Backends perform the most important task of all - they send the
+ filtered print data to the printer.</P>
+<P>CUPS provides backends for printing over parallel, serial, and USB
+ ports, and over the network via the IPP, JetDirect (AppSocket), and
+ Line Printer Daemon (&quot;LPD&quot;) protocols. Additional backends are
+ available in network service packages such as the SMB backend included
+ with the popular SAMBA software.</P>
+<P>Backends are also used to determine the available devices. On startup
+ each backend is asked for a list of devices it supports, and any
+ information that is available. This allows the parallel backend to tell
+ CUPS that an EPSON Stylus Color 600 printer is attached to parallel
+ port 1, for example.</P>
+<H2><A NAME="2_7">Printer Drivers</A></H2>
+<P>Printer drivers in CUPS consist of one of more filters specific to a
+ printer. CUPS includes sample printer drivers for Hewlett-Packard
+ LaserJet and DeskJet printers and EPSON 9-pin, 24-pin, Stylus Color,
+ and Stylus Photo printers. While these drivers do not generate optimal
+ output for the different printer models, they do provide basic printing
+ and demonstrate how you can write your own printer drivers and
+ incorporate them into CUPS.</P>
+<H2><A NAME="2_8">Networking</A></H2>
+<P>Printers and classes on the local system are automatically shared
+ with other systems on the network. This allows you to setup one system
+ to print to a printer and use this system as a printer server or spool
+ host for all of the others. Users may then select a local printer by
+ name or a remote printer using &quot;name@server&quot;.</P>
+<P>CUPS also provides<I> implicit classes</I>, which are collections of
+ printers and/or classes with the same name. This allows you to setup
+ multiple servers pointing to the same physical network printer, for
+ example, so that you aren't relying on a single system for printing.
+ Because this also works with printer classes, you can setup multiple
+ servers and printers and never worry about a single point of failure
+ unless all of the printers and servers go down!</P>
+<H1 ALIGN="RIGHT"><A NAME="USING_SYSTEM">2 - Using the Printing System</A>
+</H1>
+<P>This chapter shows you how to submit, query, and cancel print jobs to
+ different printers.</P>
+<H2><A NAME="3_1">Submitting Files for Printing</A></H2>
+<P>CUPS provides both the System V (<CODE>lp(1)</CODE>) and Berkeley (<CODE>
+lpr(1)</CODE>) printing commands. Type the following command to print a
+ file to the default (or only) printer on the system:</P>
+<UL>
+<PRE>
+<B>lp filename ENTER</B>
+</PRE>
+</UL>
+<P>or:</P>
+<UL>
+<PRE>
+<B>lpr filename ENTER</B>
+</PRE>
+</UL>
+<P>CUPS understands many different types of files directly, including
+ PostScript and image files. This allows you to print from inside your
+ applications or at the command-line, whichever is most convenient!</P>
+<H2><A NAME="3_2">Choosing a Printer</A></H2>
+<P>Many systems will have more than one printer available to the user.
+ These printers can be attached to the local system via a parallel,
+ serial, or USB port, or available over the network.</P>
+<P>Use the <CODE>lpstat(1)</CODE> command to see a list of available
+ printers:</P>
+<UL>
+<PRE>
+<B>lpstat -p -d ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>-p</CODE> option specifies that you want to see a list of
+ printers, and the <CODE>-d</CODE> option reports the current system
+ default printer or class.</P>
+<P>Use the <CODE>-d</CODE> option with the <CODE>lp</CODE> command to
+ print to a specific printer:</P>
+<UL>
+<PRE>
+<B>lp -d printer filename ENTER</B>
+</PRE>
+</UL>
+<P>or the <CODE>-P</CODE> option with the <CODE>lpr</CODE> command:</P>
+<UL>
+<PRE>
+<B>lpr -P printer filename ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="3_3">Setting Printer Options</A></H2>
+<P>For many types of files, the default printer options may be
+ sufficient for your needs. However, there may be times when you need to
+ change the options for a particular file you are printing.</P>
+<P>The <CODE>lp</CODE> and <CODE>lpr</CODE> commands allow you to pass
+ printer options using the <CODE>-o</CODE> option:</P>
+<UL>
+<PRE>
+<B>lp -o landscape -o scaling=75 -o media=A4 filename.jpg
+<B>lpr -o landscape -o scaling=75 -o media=A4 filename.jpg
+</B></B></PRE>
+</UL>
+<P>The available printer options vary depending on the printer. The
+ standard options are described in<A HREF="#STANDARD_OPTIONS"> Chapter
+ 3, &quot;Standard Printing Options&quot;</A>.</P>
+<H2><A NAME="3_4">Printing Multiple Copies</A></H2>
+<P>Both the <CODE>lp</CODE> and <CODE>lpr</CODE> commands have options
+ for printing more than one copy of a file:</P>
+<UL>
+<PRE>
+<B>lp -n <I>num-copies</I> filename ENTER</B>
+<B>lpr -#<I>num-copies</I> filename ENTER</B>
+</PRE>
+</UL>
+<P>Copies are normally<I> not</I> collated for you. Use the <CODE>-o
+ Collate=True</CODE> option to get collated copies :</P>
+<UL>
+<PRE>
+<B>lp -n <I>num-copies</I> -o Collate=True filename ENTER</B>
+<B>lpr -#<I>num-copies</I> -o Collate=True filename ENTER</B>
+</PRE>
+</UL>
+
+<!-- NEED 3in -->
+<H2><A NAME="3_5">Checking the Printer Status from the Command-Line</A></H2>
+<P>The <CODE>lpstat</CODE> command can be used to check for jobs that
+ you have submitted for printing:</P>
+<UL>
+<PRE>
+<B>lpstat ENTER</B>
+Printer-1 johndoe 4427776
+Printer-2 johndoe 15786
+Printer-3 johndoe 372842
+</PRE>
+</UL>
+<P>The jobs are listed in the order they will be printed. Use the <CODE>
+-p</CODE> option to see which files and printers are active:</P>
+<UL>
+<PRE>
+<B>lpstat -p ENTER</B>
+printer DeskJet now printing DeskJet-1.
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<P>Use the <CODE>-o</CODE> and <CODE>-p</CODE> options together to show
+ the jobs and the printers:</P>
+<UL>
+<PRE>
+<B>lpstat -o -p ENTER</B>
+Printer-1 johndoe 4427776
+Printer-2 johndoe 15786
+Printer-3 johndoe 372842
+printer DeskJet now printing DeskJet-1.
+</PRE>
+</UL>
+<H2><A NAME="3_6">Checking the Printer Status from the Web</A></H2>
+<P>Since CUPS uses the Internet Printing Protocol, it is also a
+ fully-functional web server. To use your web browser to monitor the
+ printers on your system, open the URL:</P>
+<UL>
+<PRE>
+<A HREF="http://localhost:631">http://localhost:631</A>
+</PRE>
+</UL>
+<P>From there you can view the status of classes, jobs, and printers
+ with the click of a button!</P>
+<H2><A NAME="3_7">Canceling a Print Job</A></H2>
+<P>The <CODE>cancel(1)</CODE> and <CODE>lprm(1)</CODE> commands cancel a
+ print job:</P>
+<UL>
+<PRE>
+<B>cancel <I>job-id</I> ENTER</B>
+<B>lprm <I>job-id</I> ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>job-id</CODE> is the number that was reported to you by the
+ <CODE>lp</CODE> or <CODE>lpstat</CODE> commands.</P>
+<H1 ALIGN="RIGHT"><A NAME="STANDARD_OPTIONS">3 - Standard Printer
+ Options</A></H1>
+<P>This chapter describes the standard printer options that are
+ available when printing with the <CODE>lp</CODE> and <CODE>lpr</CODE>
+ commands.</P>
+<H2><A NAME="4_1">General Options</A></H2>
+<P>The following options apply when printing all types of files.</P>
+<H3><A NAME="4_1_1">Setting the Orientation</A></H3>
+<P>The <CODE>-o landscape</CODE> option will rotate the page 90 degrees
+ to print in landscape orientation:</P>
+<UL>
+<PRE>
+<B>lp -o landscape filename ENTER</B>
+<B>lpr -o landscape filename ENTER</B>
+</PRE>
+</UL>
+
+<!-- NEED 2in -->
+<H3><A NAME="4_1_2">Selecting the Media Size, Type, and Source</A></H3>
+<P>The <CODE>-o media=xyz</CODE> option sets the media size, type,
+ and/or source:</P>
+<UL>
+<PRE>
+<B>lp -o media=Letter filename ENTER</B>
+<B>lp -o media=Letter,MultiPurpose filename ENTER</B>
+<B>lpr -o media=Letter,Transparency filename ENTER</B>
+<B>lpr -o media=Letter,MultiPurpose,Transparency filename ENTER</B>
+</PRE>
+</UL>
+
+<!-- NEED 3in -->
+<P>The available media sizes, types, and sources depend on the printer,
+ but most support the following options (case is not significant):</P>
+<UL>
+<LI><CODE>Letter</CODE> - US Letter (8.5x11 inches, or 216x279mm)</LI>
+<LI><CODE>Legal</CODE> - US Legal (8.5x14 inches, or 216x356mm)</LI>
+<LI><CODE>A4</CODE> - ISO A4 (8.27x11.69 inches, or 210x297mm)</LI>
+<LI><CODE>COM10</CODE> - US #10 Envelope (9.5x4.125 inches, or
+ 241x105mm)</LI>
+<LI><CODE>DL</CODE> - ISO DL Envelope (8.66x4.33 inches, or 220x110mm)</LI>
+<LI><CODE>Transparency</CODE> - Transparency media type or source</LI>
+<LI><CODE>Upper</CODE> - Upper paper tray</LI>
+<LI><CODE>Lower</CODE> - Lower paper tray</LI>
+<LI><CODE>MultiPurpose</CODE> - Multi-purpose paper tray</LI>
+<LI><CODE>LargeCapacity</CODE> - Large capacity paper tray</LI>
+</UL>
+<P>The actual options supported are defined in the printer's PPD file in
+ the <CODE>PageSize</CODE>, <CODE>InputSlot</CODE>, and <CODE>MediaType</CODE>
+ options.</P>
+<H3><A NAME="4_1_3">Printing On Both Sides of the Paper</A></H3>
+<P>The <CODE>-o sides=two-sided-short-edge</CODE> and <CODE>-o
+ sides=two-sided-long-edge</CODE> options will enable duplexing on the
+ printer, if the printer supports it. The <CODE>-o
+ sides=two-sided-short-edge</CODE> option is suitable for landscape
+ pages, while the <CODE>-o sides=two-sided-long-edge</CODE> option is
+ suitable for portrait pages:</P>
+<UL>
+<PRE>
+<B>lp -o sides=two-sided-short-edge filename ENTER</B>
+<B>lp -o sides=two-sided-long-edge filename ENTER</B>
+<B>lpr -o sides=two-sided-long-edge filename ENTER</B>
+</PRE>
+</UL>
+<P>The default is to print single-sided:</P>
+<UL>
+<PRE>
+<B>lp -o sides=one-sided filename ENTER</B>
+<B>lpr -o sides=one-sided filename ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="4_2">Banner Options</A></H2>
+<P>The following options apply when printing all types of files.</P>
+<H3><A NAME="4_2_1">Selecting the Banner Page(s)</A></H3>
+<P>The <CODE>-o jobsheets=start,end</CODE> option sets the banner
+ page(s) to use for a job:</P>
+<UL>
+<PRE>
+<B>lp -o job-sheets=none filename ENTER</B>
+<B>lp -o job-sheets=standard filename ENTER</B>
+<B>lpr -o job-sheets=classified,classified filename ENTER</B>
+</PRE>
+</UL>
+<P>If only one banner file is specified, it will be printed before the
+ files in the job. If a second banner file is specified, it is printed
+ after the files in the job.</P>
+<P>The available banner pages depend on the local system configuration;
+ CUPS includes the following banner files:</P>
+<UL>
+<LI><CODE>none</CODE> - Do not produce a banner page.</LI>
+<LI><CODE>classified</CODE> - A banner page with a &quot;classified&quot; label at
+ the top and bottom.</LI>
+<LI><CODE>confidential</CODE> - A banner page with a &quot;confidential&quot;
+ label at the top and bottom.</LI>
+<LI><CODE>secret</CODE> - A banner page with a &quot;secret&quot; label at the top
+ and bottom.</LI>
+<LI><CODE>standard</CODE> - A banner page with no label at the top and
+ bottom.</LI>
+<LI><CODE>topsecret</CODE> - A banner page with a &quot;top secret&quot; label at
+ the top and bottom.</LI>
+<LI><CODE>unclassified</CODE> - A banner page with an &quot;unclassified&quot;
+ label at the top and bottom.</LI>
+</UL>
+<H2><A NAME="4_3">Document Options</A></H2>
+<P>The following options apply when printing all types of files.</P>
+<H3><A NAME="4_3_1">Selecting a Range of Pages</A></H3>
+<P>The <CODE>-o page-ranges=pages</CODE> option selects a range of pages
+ for printing:</P>
+<UL>
+<PRE>
+<B>lp -o page-ranges=1 filename ENTER</B>
+<B>lp -o page-ranges=1-4 filename ENTER</B>
+<B>lp -o page-ranges=1-4,7,9-12 filename ENTER</B>
+<B>lpr -o page-ranges=1-4,7,9-12 filename ENTER</B>
+</PRE>
+</UL>
+<P>As shown above, the <CODE>pages</CODE> value can be a single page, a
+ range of pages, or a collection of page numbers and ranges separated by
+ commas. The pages will always be printed in ascending order, regardless
+ of the order of the pages in the <CODE>page-ranges</CODE> option.</P>
+<P>The default is to print all pages.</P>
+<H3><A NAME="4_3_2">Selecting Even or Odd Pages</A></H3>
+<P>Use the <CODE>-o page-set=set</CODE> option to select the even or odd
+ pages:</P>
+<UL>
+<PRE>
+<B>lp -o page-set=odd filename ENTER</B>
+<B>lp -o page-set=even filename ENTER</B>
+<B>lpr -o page-set=even filename ENTER</B>
+</PRE>
+</UL>
+<P>The default is to print all pages.</P>
+<H3><A NAME="4_3_3">N-Up Printing</A></H3>
+<P>The <CODE>-o number-up=value</CODE> option selects N-Up printing.
+ N-Up printing places multiple document pages on a single printed page.
+ CUPS supports 1-Up, 2-Up, and 4-Up formats:</P>
+<UL>
+<PRE>
+<B>lp -o number-up=1 filename ENTER</B>
+<B>lp -o number-up=2 filename ENTER</B>
+<B>lp -o number-up=4 filename ENTER</B>
+<B>lpr -o number-up=4 filename ENTER</B>
+</PRE>
+</UL>
+<P>The default format is 1-Up.</P>
+<H3><A NAME="4_3_4">Setting the Brightness</A></H3>
+<P>You can control the overall brightness of the printed output using
+ the <CODE>-o brightness=percent</CODE> option:</P>
+<UL>
+<PRE>
+<B>lp -o brightness=120 filename ENTER</B>
+<B>lpr -o brightness=120 filename ENTER</B>
+</PRE>
+</UL>
+<P>Values greater than 100 will lighten the print, while values less
+ than 100 will darken it.</P>
+<H3><A NAME="4_3_5">Setting the Gamma Correction</A></H3>
+<P>You can control the overall gamma correction of the printed output
+ using the <CODE>-o gamma=value</CODE> option:</P>
+<UL>
+<PRE>
+<B>lp -o gamma=1700 filename ENTER</B>
+<B>lpr -o gamma=1700 filename ENTER</B>
+</PRE>
+</UL>
+<P>Values greater than 1000 will lighten the print, while values less
+ than 1000 will darken it. The default gamma is 1000.</P>
+<H2><A NAME="4_4">Text Options</A></H2>
+<P>The following options apply when printing text files.</P>
+<H3><A NAME="4_4_1">Setting the Number of Characters Per Inch</A></H3>
+<P>The <CODE>-o cpi=value</CODE> option sets the number of characters
+ per inch:</P>
+<UL>
+<PRE>
+<B>lp -o cpi=10 filename ENTER</B>
+<B>lp -o cpi=12 filename ENTER</B>
+<B>lpr -o cpi=17 filename ENTER</B>
+</PRE>
+</UL>
+<P>The default characters per inch is 10.</P>
+<H3><A NAME="4_4_2">Setting the Number of Lines Per Inch</A></H3>
+<P>The <CODE>-o lpi=value</CODE> option sets the number of lines per
+ inch:</P>
+<UL>
+<PRE>
+<B>lp -o lpi=6 filename ENTER</B>
+<B>lpr -o lpi=8 filename ENTER</B>
+</PRE>
+</UL>
+<P>The default lines per inch is 6.</P>
+<H3><A NAME="4_4_3">Setting the Number of Columns</A></H3>
+<P>The <CODE>-o columns=value</CODE> option sets the number of text
+ columns:</P>
+<UL>
+<PRE>
+<B>lp -o columns=2 filename ENTER</B>
+<B>lpr -o columns=3 filename ENTER</B>
+</PRE>
+</UL>
+<P>The default number of columns is 1.</P>
+<H3><A NAME="4_4_4">Setting the Page Margins</A></H3>
+<P>Normally the page margins are set to the hard limits of the printer.
+ Use the <CODE>-o page-left=value</CODE>, <CODE>-o page-right=value</CODE>
+, <CODE>-o page-top=value</CODE>, and <CODE>-o page-bottom=value</CODE>
+ options to adjust the page margins:</P>
+<UL>
+<PRE>
+<B>lp -o page-left=<I>value</I> filename ENTER</B>
+<B>lp -o page-right=<I>value</I> filename ENTER</B>
+<B>lp -o page-top=<I>value</I> filename ENTER</B>
+<B>lp -o page-bottom=<I>value</I> filename ENTER</B>
+<B>lpr -o page-bottom=<I>value</I> filename ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>value</CODE> argument is the margin in points; each point
+ is 1/72 inch or 0.35mm.</P>
+<H3><A NAME="4_4_5">Pretty Printing</A></H3>
+<P>The <CODE>-o prettyprint</CODE> option puts a header at the top of
+ each page with the page number, job title (usually the filename), and
+ the date. Also, C and C++ keywords are highlighted, and comment lines
+ are italicized:</P>
+<UL>
+<PRE>
+<B>lp -o prettyprint filename ENTER</B>
+<B>lpr -o prettyprint filename ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="4_5">Image Options</A></H2>
+<P>The following options apply when printing image files.</P>
+<H3><A NAME="4_5_1">Positioning the Image</A></H3>
+<P>The <CODE>-o position=name</CODE> option specifies the position of
+ the image on the page:</P>
+<UL>
+<LI><CODE>center</CODE> - Center the image on the page (default)</LI>
+<LI><CODE>top</CODE> - Print the image centered at the top of the page</LI>
+<LI><CODE>left</CODE> - Print the image centered on the left of page</LI>
+<LI><CODE>right</CODE> - Print the image centered on the right of the
+ page</LI>
+<LI><CODE>top-left</CODE> - Print the image at the top left corner of
+ the page</LI>
+<LI><CODE>top-right</CODE> - Print the image at the top right corner of
+ the page</LI>
+<LI><CODE>bottom</CODE> - Print the image centered at the bottom of the
+ page</LI>
+<LI><CODE>bottom-left</CODE> - Print the image at the bottom left corner
+ of the page</LI>
+<LI><CODE>bottom-right</CODE> - Print the image at the bottom right
+ corner of the page</LI>
+</UL>
+<H3><A NAME="4_5_2">Scaling the Image</A></H3>
+<P>The <CODE>-o scaling=percent</CODE>, <CODE>-o ppi=value</CODE>, and <CODE>
+-o natural-scaling=percent</CODE> options change the size of a printed
+ image:</P>
+<UL>
+<PRE>
+<B>lp -o scaling=<I>percent</I> filename ENTER</B>
+<B>lp -o ppi=<I>value</I> filename ENTER</B>
+<B>lpr -o natural-scaling=<I>percent</I> filename ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>scaling=percent</CODE> value is a number from 1 to 800
+ specifying the size in relation to the page (<I>not</I> the image.) A
+ scaling of 100 percent will fill the page as completely as the image
+ aspect ratio allows. A scaling of 200 percent will print on up to 4
+ pages.</P>
+<P>The <CODE>ppi=value</CODE> value is a number from 1 to 1200
+ specifying the resolution of the image in pixels per inch. An image
+ that is 3000x2400 pixels will print 10x8 inches at 300 pixels per inch,
+ for example. If the specified resolution makes the image larger than
+ the page, multiple pages will be printed to satisfy the request.</P>
+<P>The <CODE>natural-scaling=percent</CODE> value is a number from 1 to
+ 800 specifying the size in relation to the natural image size. A
+ scaling of 100 percent will print the image at its natural size, while
+ a scaling of 50 percent will print the image at half its natural size.
+ If the specified scaling makes the image larger than the page, multiple
+ pages will be printed to satisfy the request.</P>
+<H3><A NAME="4_5_3">Adjusting the Hue (Tint) of an Image</A></H3>
+<P>The <CODE>-o hue=value</CODE> option will adjust the hue of the
+ printed image, much like the tint control on your television:</P>
+<UL>
+<PRE>
+<B>lp -o hue=<I>value</I> filename ENTER</B>
+<B>lpr -o hue=<I>value</I> filename ENTER</B>
+</PRE>
+</UL>
+
+<!-- NEED 3in -->
+<P>The <CODE>value</CODE> argument is a number from -360 to 360 and
+ represents the color hue rotation. The following table summarizes the
+ change you'll see with different colors:
+<CENTER>
+<TABLE BORDER="1" WIDTH="50%">
+<TR><TH>Original</TH><TH>hue=-45</TH><TH>hue=45</TH></TR>
+<TR><TD>Red</TD><TD>Purple</TD><TD>Yellow-orange</TD></TR>
+<TR><TD>Green</TD><TD>Yellow-green</TD><TD>Blue-green</TD></TR>
+<TR><TD>Yellow</TD><TD>Orange</TD><TD>Green-yellow</TD></TR>
+<TR><TD>Blue</TD><TD>Sky-blue</TD><TD>Purple</TD></TR>
+<TR><TD>Magenta</TD><TD>Indigo</TD><TD>Crimson</TD></TR>
+<TR><TD>Cyan</TD><TD>Blue-green</TD><TD>Light-navy-blue</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<P>The default hue adjustment is 0.</P>
+<H3><A NAME="4_5_4">Adjusting the Saturation (Color) of an Image</A></H3>
+<P>The <CODE>-o saturation=percent</CODE> option adjusts the saturation
+ of the colors in an image, much like the color knob on your television:</P>
+<UL>
+<PRE>
+<B>lp -o saturation=<I>percent</I> filename ENTER</B>
+<B>lpr -o saturation=<I>percent</I> filename ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>percent</CODE> argument specifies the color saturation from
+ 0 to 200. A color saturation of 0 produces a black-and-white print,
+ while a value of 200 will make the colors extremely intense.</P>
+<P>The default saturation is 100.
+<!-- NEED 4in -->
+</P>
+<H2><A NAME="4_6">HP-GL/2 Options</A></H2>
+<P>The following options apply to HP-GL/2 files.</P>
+<H3><A NAME="4_6_1">Printing in Black</A></H3>
+<P>The <CODE>-o blackplot</CODE> option specifies that all pens should
+ plot in black:</P>
+<UL>
+<PRE>
+<B>lp -o blackplot filename ENTER</B>
+<B>lpr -o blackplot filename ENTER</B>
+</PRE>
+</UL>
+<P>The default is to use the colors defined in the plot file or the
+ standard pen colors defined in the HP-GL/2 reference manual from
+ Hewlett Packard.</P>
+<H3><A NAME="4_6_2">Fitting the Plot on the Page</A></H3>
+<P>The <CODE>-o fitplot</CODE> option specifies that the plot should be
+ scaled to fit on the page:</P>
+<UL>
+<PRE>
+<B>lp -o fitplot filename ENTER</B>
+<B>lpr -o fitplot filename ENTER</B>
+</PRE>
+</UL>
+<P>The default is to use the absolute distances specified in the plot
+ file.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>This feature depends upon an accurate plot size (<CODE>PS</CODE>)
+ command in the HP-GL/2 file. If no plot size is given in the file than
+ the HP-GL/2 filter assumes the plot is ANSI E size.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H3><A NAME="4_6_3">Setting the Default Pen Width</A></H3>
+<P>The <CODE>-o penwidth=value</CODE> option specifies the default pen
+ width for HP-GL/2 files:</P>
+<UL>
+<PRE>
+<B>lp -o penwidth=<I>value</I> filename ENTER</B>
+<B>lpr -o penwidth=<I>value</I> filename ENTER</B>
+</PRE>
+</UL>
+<P>The pen width <CODE>value</CODE> specifies the pen width in
+ micrometers. The default value of 1000 produces lines that are 1
+ millimeter in width. Specifying a pen width of 0 produces lines that
+ are exactly 1 pixel wide.
+<CENTER>
+<TABLE BGCOLOR="#cccccc" BORDER="1" CELLPADDING="5" WIDTH="80%">
+<TR><TD><B> NOTE:</B>
+<P>This option is ignored when the pen widths are set in the plot file.</P>
+</TD></TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="4_7">Raw or Unfiltered Output</A></H2>
+<P>The <CODE>-o raw</CODE> option allows you to send files directly to a
+ printer without filtering. This is sometimes required when printing
+ from applications that provide their own &quot;printer drivers&quot; for your
+ printer:</P>
+<UL>
+<PRE>
+<B>lp -o raw filename ENTER</B>
+<B>lpr -o raw filename ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>-l</CODE> option can also be used with the <CODE>lpr</CODE>
+ command to send files directly to a printer:</P>
+<UL>
+<PRE>
+<B>lpr -l filename ENTER</B>
+</PRE>
+</UL>
+<H1 ALIGN="RIGHT"><A NAME="SAVING_OPTIONS">4 - Saving Printer Options
+ and Defaults</A></H1>
+<P>This chapter describes how to save printer options for your printer
+ and set your own default printer.</P>
+<H2><A NAME="5_1">Printer Options</A></H2>
+<P>Each printer supports a large number of options, which you learned
+ about in<A HREF="#STANDARD_OPTIONS"> Chapter 3, &quot;Standard Printer
+ Options&quot;</A>. Rather than specifying these options each time you print
+ a file, CUPS allows you to save them as &quot;default&quot; options for the
+ printer.</P>
+<P>The <CODE>lpoptions(1)</CODE> command saves the options for your
+ printers. Like the <CODE>lp</CODE> and <CODE>lpr</CODE> commands, it
+ accepts printer options using the <CODE>-o</CODE> argument:</P>
+<UL>
+<PRE>
+<B>lpoptions -o media=A4 -o sides=two-sided-long-edge ENTER</B>
+<B>lpoptions -o media=Legal -o scaling=100 ENTER</B>
+</PRE>
+</UL>
+<P>Once saved, any <CODE>lp</CODE> or <CODE>lpr</CODE> command will use
+ them when you print.</P>
+<H2><A NAME="5_2">Setting Options for a Specific Printer</A></H2>
+<P>The previous example shows how to set the options for the default
+ printer. The <CODE>-p printer</CODE> option specifies the options are
+ for another printer:</P>
+<UL>
+<PRE>
+<B>lpoptions -p laserjet -o media=A4 -o sides=two-sided-long-edge ENTER</B>
+<B>lpoptions -p deskjet -o media=Legal -o scaling=100 ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="5_3">Viewing the Current Defaults</A></H2>
+<P>The <CODE>lpoptions</CODE> command can also be used to show the
+ current options by not specifying any new options on the command-line:</P>
+<UL>
+<PRE>
+<B>lpoptions ENTER</B>
+media=A4 sides=two-sided-long-edge
+<B>lpoptions -p deskjet ENTER</B>
+media=Legal scaling=100
+</PRE>
+</UL>
+<H2><A NAME="5_4">Setting the Default Printer</A></H2>
+<P>The administrator normally will set a system-wide default printer
+ that is normally used as the default printer by everyone. Use the <CODE>
+-d printer</CODE> option to set your own default printer:</P>
+<UL>
+<PRE>
+<B>lpoptions -d deskjet ENTER</B>
+</PRE>
+</UL>
+<P>The printer can be local (<CODE>deskjet</CODE>) or remote (<CODE>
+deskjet@server</CODE>).</P>
+<H2><A NAME="5_5">Printer Instances</A></H2>
+<P>Besides setting options for each print queue, CUPS supports<I>
+ printer instances</I> which allow you to define several different sets
+ of options for each printer. You specify a printer instance using the
+ slash (<CODE>/</CODE>) character:</P>
+<UL>
+<PRE>
+<B>lpoptions -p laserjet/duplex -o sides=two-sided-long-edge ENTER</B>
+<B>lpoptions -p laserjet/legal -o media=Legal ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>lp</CODE> and lpr commands also understand this notation:</P>
+<UL>
+<PRE>
+<B>lp -d laserjet/duplex filename ENTER</B>
+<B>lpr -P laserjet/legal filename ENTER</B>
+</PRE>
+</UL>
+<H2><A NAME="5_6">Removing Instances</A></H2>
+<P>Use the <CODE>-x printer/instance</CODE> option to remove a printer
+ instance that you no longer need:</P>
+<UL>
+<PRE>
+<B>lpoptions -x laserjet ENTER</B>
+<B>lpoptions -x laserjet/duplex ENTER</B>
+<B>lpoptions -x laserjet/legal ENTER</B>
+</PRE>
+</UL>
+<P>The <CODE>-x</CODE> option only removes the default options for that
+ printer and instance; the original print queue will remain until
+ deleted with the <CODE>lpadmin(8)</CODE> command by the administrator.</P>
+<H1 ALIGN="RIGHT"><A NAME="LICENSE">A - Software License Agreement</A></H1>
+<H2 ALIGN="CENTER"><A NAME="6_1">Common UNIX Printing System License
+ Agreement</A></H2>
+<P ALIGN="CENTER">Copyright 1997-2002 by Easy Software Products
+<BR> 44141 AIRPORT VIEW DR STE 204
+<BR> HOLLYWOOD, MARYLAND 20636-3111 USA
+<BR>
+<BR> Voice: +1.301.373.9600
+<BR> Email:<A HREF="mailto:cups-info@cups.org"> cups-info@cups.org</A>
+<BR> WWW:<A HREF="http://www.cups.org"> http://www.cups.org</A></P>
+<H3><A NAME="6_1_1">Introduction</A></H3>
+<P>The Common UNIX Printing System<SUP>TM</SUP>, (&quot;CUPS<SUP>TM</SUP>&quot;),
+ is provided under the GNU General Public License (&quot;GPL&quot;) and GNU
+ Library General Public License (&quot;LGPL&quot;), Version 2. A copy of these
+ licenses follow this introduction.</P>
+<P>The GNU LGPL applies to the CUPS API library, located in the &quot;cups&quot;
+ subdirectory of the CUPS source distribution and in the
+ &quot;/usr/include/cups&quot; directory and &quot;libcups.a&quot;, &quot;libcups_s.a&quot;,
+ &quot;libcups.sl&quot;, or &quot;libcups.so&quot; files in the binary distributions.</P>
+<P>The GNU GPL applies to the remainder of the CUPS distribution,
+ including the &quot;pstoraster&quot; filter which is based upon GNU Ghostscript
+ 5.50 and the &quot;pdftops&quot; filter which is based upon Xpdf 0.93a.</P>
+<P>For those not familiar with the GNU GPL, the license basically allows
+ you to:</P>
+<UL>
+<LI>Use the CUPS software at no charge.</LI>
+<LI>Distribute verbatim copies of the software in source or binary form.</LI>
+<LI>Sell verbatim copies of the software for a media fee, or sell
+ support for the software.</LI>
+<LI>Distribute or sell printer drivers and filters that use CUPS so long
+ as source code is made available under the GPL.</LI>
+</UL>
+<P>What this license<B> does not</B> allow you to do is make changes or
+ add features to CUPS and then sell a binary distribution without source
+ code. You must provide source for any new drivers, changes, or
+ additions to the software, and all code must be provided under the GPL
+ or LGPL as appropriate.</P>
+<P>The GNU LGPL relaxes the &quot;link-to&quot; restriction, allowing you to
+ develop applications that use the CUPS API library under other licenses
+ and/or conditions as appropriate for your application.</P>
+<H3><A NAME="6_1_2">Trademarks</A></H3>
+<P>Easy Software Products has trademarked the Common UNIX Printing
+ System, CUPS, and CUPS logo. These names and logos may be used freely
+ in any direct port or binary distribution of CUPS. To use them in
+ derivative products, please contract Easy Software Products for written
+ permission. Our intention is to protect the value of these trademarks
+ and ensure that any derivative product meets the same high-quality
+ standards as the original.</P>
+<H3><A NAME="6_1_3">Binary Distribution Rights</A></H3>
+<P>Easy Software Products also sells rights to the CUPS source code
+ under a binary distribution license for vendors that are unable to
+ release source code for their drivers, additions, and modifications to
+ CUPS under the GNU GPL and LGPL. For information please contact us at
+ the address shown above.</P>
+<P>The Common UNIX Printing System provides a &quot;pstoraster&quot; filter that
+ utilizes the GNU GhostScript 5.50 core to convert PostScript files into
+ a stream of raster images. For binary distribution licensing of this
+ software, please contact:<BLOCKQUOTE> Miles Jones
+<BR> Director of Marketing
+<BR> Artifex Software Inc.
+<BR> 454 Las Gallinas Ave., Suite 108
+<BR> San Rafael, CA 94903 USA
+<BR> Voice: +1.415.492.9861
+<BR> Fax: +1.415.492.9862
+<BR> EMail:<A HREF="mailto:info@arsoft.com"> info@arsoft.com</A></BLOCKQUOTE>
+</P>
+<P>The &quot;pdftops&quot; filter is based on the Xpdf 0.93a software. For binary
+ distribution licensing of this software, please contact:<BLOCKQUOTE>
+ Derek B. Noonburg
+<BR> Email:<A HREF="mailto:derekn@foolabs.com"> derekn@foolabs.com</A>
+<BR> WWW:<A HREF="http://www.foolabs.com/xpdf/">
+ http://www.foolabs.com/xpdf/</A></BLOCKQUOTE></P>
+<H3><A NAME="6_1_4">Support</A></H3>
+<P>Easy Software Products sells software support for CUPS as well as a
+ commercial printing product based on CUPS called ESP Print Pro. You can
+ find out more at our web site:</P>
+<UL>
+<PRE>
+<A HREF="http://www.easysw.com">http://www.easysw.com</A>
+</PRE>
+</UL>
+
+<!-- NEW PAGE -->
+<H2><A NAME="6_2">GNU GENERAL PUBLIC LICENSE</A></H2>
+<P>Version 2, June 1991</P>
+<PRE>
+Copyright 1989, 1991 Free Software Foundation, Inc.
+59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Everyone is permitted to copy and distribute verbatim
+copies of this license document, but changing it is not allowed.
+</PRE>
+<PRE>
+
+</PRE>
+<H4>Preamble</H4>
+<P>The licenses for most software are designed to take away your freedom
+ to share and change it. By contrast, the GNU General Public License is
+ intended to guarantee your freedom to share and change free
+ software--to make sure the software is free for all its users. This
+ General Public License applies to most of the Free Software
+ Foundation's software and to any other program whose authors commit to
+ using it. (Some other Free Software Foundation software is covered by
+ the GNU Library General Public License instead.) You can apply it to
+ your programs, too.</P>
+<P>When we speak of free software, we are referring to freedom, not
+ price. Our General Public Licenses are designed to make sure that you
+ have the freedom to distribute copies of free software (and charge for
+ this service if you wish), that you receive source code or can get it
+ if you want it, that you can change the software or use pieces of it in
+ new free programs; and that you know you can do these things.</P>
+<P>To protect your rights, we need to make restrictions that forbid
+ anyone to deny you these rights or to ask you to surrender the rights.
+ These restrictions translate to certain responsibilities for you if you
+ distribute copies of the software, or if you modify it.</P>
+<P>For example, if you distribute copies of such a program, whether
+ gratis or for a fee, you must give the recipients all the rights that
+ you have. You must make sure that they, too, receive or can get the
+ source code. And you must show them these terms so they know their
+ rights.</P>
+<P>We protect your rights with two steps: (1) copyright the software,
+ and (2) offer you this license which gives you legal permission to
+ copy, distribute and/or modify the software.</P>
+<P>Also, for each author's protection and ours, we want to make certain
+ that everyone understands that there is no warranty for this free
+ software. If the software is modified by someone else and passed on, we
+ want its recipients to know that what they have is not the original, so
+ that any problems introduced by others will not reflect on the original
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+<P>Finally, any free program is threatened constantly by software
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+ modification follow.</P>
+<H4>GNU GENERAL PUBLIC LICENSE
+<BR> TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</H4>
+<OL START="0">
+<LI>This License applies to any program or other work which contains a
+ notice placed by the copyright holder saying it may be distributed
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+ contributions to the wide range of software distributed through that
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+<H4>END OF TERMS AND CONDITIONS</H4>
+
+<!-- NEW PAGE -->
+<H2><A NAME="6_3">GNU LIBRARY GENERAL PUBLIC LICENSE</A></H2>
+<P>Version 2, June 1991</P>
+<PRE>
+Copyright (C) 1991 Free Software Foundation, Inc.
+59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+Everyone is permitted to copy and distribute verbatim copies
+of this license document, but changing it is not allowed.
+
+[This is the first released version of the library GPL.  It is
+ numbered 2 because it goes with version 2 of the ordinary GPL.]
+</PRE>
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+ HOLDERS AND/OR OTHER PARTIES PROVIDE THE LIBRARY &quot;AS IS&quot; WITHOUT
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+ ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.</P>
+<P><STRONG>16.</STRONG> IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR
+ AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO
+ MAY MODIFY AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE
+ LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL
+ OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
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+<H4>END OF TERMS AND CONDITIONS</H4>
+</BODY>
+</HTML>
diff --git a/doc/sum.pdf b/doc/sum.pdf
new file mode 100644
index 000000000..d8da918bd
--- /dev/null
+++ b/doc/sum.pdf
diff --git a/doc/sum.shtml b/doc/sum.shtml
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index 000000000..50578fb04
--- /dev/null
+++ b/doc/sum.shtml
@@ -0,0 +1,887 @@
+<HTML>
+<HEAD>
+	<META NAME="Description" CONTENT="Common UNIX Printing System Software Users Manual">
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SUM-1.1.13">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Users Manual</TITLE>
+</HEAD>
+<BODY>
+
+<H1 ALIGN="RIGHT">Preface</H1>
+
+<P>This software users manual describes how to use the Common UNIX Printing
+System<SUP>TM</SUP> ("CUPS<SUP>TM</SUP>") Version 1.1.13.
+
+<EMBED SRC="system-overview.shtml">
+
+<!-- NEED 2in -->
+<H2>Document Overview</H2>
+
+<P>This software users manual is organized into the following sections:</P>
+
+<UL>
+	<LI><A HREF="#OVERVIEW">1 - Printing System Overview</A>
+	<LI><A HREF="#USING_SYSTEM">2 - Using the Printing System</A>
+	<LI><A HREF="#STANDARD_OPTIONS">3 - Standard Printer Options</A>
+	<LI><A HREF="#SAVING_OPTIONS">4 - Saving Printer Options and Defaults</A>
+	<LI><A HREF="#LICENSE">A - Software License Agreement</A>
+</UL>
+
+<H2>Notation Conventions</H2>
+
+<P>Various font and syntax conventions are used in this guide. Examples and
+their meanings and uses are explained below:
+
+<CENTER><TABLE WIDTH="80%">
+<TR>
+	<TH>Example</TH>
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+	<TH>Description</TH>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD><CODE>lpstat</CODE><BR>
+	<CODE>lpstat(1)</CODE></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>The names of commands; the first mention of a command or
+	function in a chapter is followed by a manual page section
+	number.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD><VAR>/var</VAR><BR>
+	<VAR>/usr/share/cups/data/testprint.ps</VAR></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>File and directory names.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD NOWRAP><TT>Request ID is Printer-123</TT></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Screen output.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD NOWRAP><KBD>lp -d printer filename ENTER</KBD></TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Literal user input; special keys like <KBD>ENTER</B></KBD> are
+	in ALL CAPS.</TD>
+</TR>
+<TR><TD>&nbsp;</TD></TR>
+<TR VALIGN="TOP">
+	<TD>12.3</TD>
+
+	<TD>&nbsp;&nbsp;&nbsp;</TD>
+
+	<TD>Numbers in the text are written using the period (.) to indicate
+	the decimal point.</TD>
+</TR>
+</TABLE></CENTER>
+
+<!-- NEED 3in -->
+<H2>Abbreviations</H2>
+
+The following abbreviations are used throughout this manual:
+
+<UL>
+<DL>
+
+	<DT>kb
+	<DD>Kilobytes, or 1024 bytes<BR>&nbsp;
+
+	<DT>Mb
+	<DD>Megabytes, or 1048576 bytes<BR>&nbsp;
+
+	<DT>Gb
+	<DD>Gigabytes, or 1073741824 bytes<BR>&nbsp;
+
+</DL>
+</UL>
+
+<H2>Other References</H2>
+
+<UL>
+<DL>
+
+	<DT>CUPS Software Administrators Manual
+
+	<DD>An administration guide for the CUPS software.<BR>&nbsp;
+
+	<DT>CUPS Software Programmers Manual
+
+	<DD>A programmer guide for interfacing with and/or extending the CUPS
+	software.<BR>&nbsp;
+
+</DL>
+</UL>
+
+
+<EMBED SRC="printing-overview.shtml">
+
+
+<H1 ALIGN="RIGHT"><A NAME="USING_SYSTEM">2 - Using the Printing System</A></H1>
+
+<P>This chapter shows you how to submit, query, and cancel print jobs to
+different printers.
+
+<H2>Submitting Files for Printing</H2>
+
+<P>CUPS provides both the System V (<CODE>lp(1)</CODE>) and Berkeley
+(<CODE>lpr(1)</CODE>) printing commands. Type the following command to
+print a file to the default (or only) printer on the system:
+
+<UL><PRE>
+<B>lp filename ENTER</B>
+</PRE></UL>
+
+<P>or:
+
+<UL><PRE>
+<B>lpr filename ENTER</B>
+</PRE></UL>
+
+<P>CUPS understands many different types of files directly, including
+PostScript and image files. This allows you to print from inside your
+applications or at the command-line, whichever is most convenient!
+
+<H2>Choosing a Printer</H2>
+
+<P>Many systems will have more than one printer available to the user. These
+printers can be attached to the local system via a parallel, serial, or USB
+port, or available over the network.
+
+<P>Use the <CODE>lpstat(1)</CODE> command to see a list of available printers:
+
+<UL><PRE>
+<B>lpstat -p -d ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>-p</CODE> option specifies that you want to see a list of
+printers, and the <CODE>-d</CODE> option reports the current system
+default printer or class.
+
+<P>Use the <CODE>-d</CODE> option with the <CODE>lp</CODE> command to
+print to a specific printer:
+
+<UL><PRE>
+<B>lp -d printer filename ENTER</B>
+</PRE></UL>
+
+<P>or the <CODE>-P</CODE> option with the <CODE>lpr</CODE> command:
+
+<UL><PRE>
+<B>lpr -P printer filename ENTER</B>
+</PRE></UL>
+
+<H2>Setting Printer Options</H2>
+
+<P>For many types of files, the default printer options may be sufficient for
+your needs. However, there may be times when you need to change the options
+for a particular file you are printing.
+
+<P>The <CODE>lp</CODE> and <CODE>lpr</CODE> commands allow you to pass
+printer options using the <CODE>-o</CODE> option:
+
+<UL><PRE>
+<B>lp -o landscape -o scaling=75 -o media=A4 filename.jpg
+<B>lpr -o landscape -o scaling=75 -o media=A4 filename.jpg
+</PRE></UL>
+
+<P>The available printer options vary depending on the printer. The standard
+options are described in <A HREF="#STANDARD_OPTIONS">Chapter 3, "Standard
+Printing Options"</A>.
+
+<H2>Printing Multiple Copies</H2>
+
+<P>Both the <CODE>lp</CODE> and <CODE>lpr</CODE> commands have options for
+printing more than one copy of a file:
+
+<UL><PRE>
+<B>lp -n <I>num-copies</I> filename ENTER</B>
+<B>lpr -#<I>num-copies</I> filename ENTER</B>
+</PRE></UL>
+
+<P>Copies are normally <I>not</I> collated for you. Use the <CODE>-o
+Collate=True</CODE> option to get collated copies :
+
+<UL><PRE>
+<B>lp -n <I>num-copies</I> -o Collate=True filename ENTER</B>
+<B>lpr -#<I>num-copies</I> -o Collate=True filename ENTER</B>
+</PRE></UL>
+
+<!-- NEED 3in -->
+<H2>Checking the Printer Status from the Command-Line</H2>
+
+<P>The <CODE>lpstat</CODE> command can be used to check for jobs that you
+have submitted for printing:
+
+<UL><PRE>
+<B>lpstat ENTER</B>
+Printer-1 johndoe 4427776
+Printer-2 johndoe 15786
+Printer-3 johndoe 372842
+</PRE></UL>
+
+<P>The jobs are listed in the order they will be printed. Use the
+<CODE>-p</CODE> option to see which files and printers are active:
+
+<UL><PRE>
+<B>lpstat -p ENTER</B>
+printer DeskJet now printing DeskJet-1.
+</PRE></UL>
+
+<!-- NEED 2in -->
+<P>Use the <CODE>-o</CODE> and <CODE>-p</CODE> options together to show
+the jobs and the printers:
+
+<UL><PRE>
+<B>lpstat -o -p ENTER</B>
+Printer-1 johndoe 4427776
+Printer-2 johndoe 15786
+Printer-3 johndoe 372842
+printer DeskJet now printing DeskJet-1.
+</PRE></UL>
+
+<H2>Checking the Printer Status from the Web</H2>
+
+<P>Since CUPS uses the Internet Printing Protocol, it is also a
+fully-functional web server. To use your web browser to monitor the
+printers on your system, open the URL:
+
+<UL><PRE>
+<A HREF="http://localhost:631">http://localhost:631</A>
+</PRE></UL>
+
+<P>From there you can view the status of classes, jobs, and printers
+with the click of a button!
+
+<H2>Canceling a Print Job</H2>
+
+<P>The <CODE>cancel(1)</CODE> and <CODE>lprm(1)</CODE> commands cancel
+a print job:
+
+<UL><PRE>
+<B>cancel <I>job-id</I> ENTER</B>
+<B>lprm <I>job-id</I> ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>job-id</CODE> is the number that was reported to you by
+the <CODE>lp</CODE> or <CODE>lpstat</CODE> commands.
+
+
+<H1 ALIGN="RIGHT"><A NAME="STANDARD_OPTIONS">3 - Standard Printer Options</A></H1>
+
+<P>This chapter describes the standard printer options that are available
+when printing with the <CODE>lp</CODE> and <CODE>lpr</CODE> commands.
+
+<H2>General Options</H2>
+
+<P>The following options apply when printing all types of files.
+
+<H3>Setting the Orientation</H3>
+
+<P>The <CODE>-o landscape</CODE> option will rotate the page 90 degrees
+to print in landscape orientation:
+
+<UL><PRE>
+<B>lp -o landscape filename ENTER</B>
+<B>lpr -o landscape filename ENTER</B>
+</PRE></UL>
+
+<!-- NEED 2in -->
+<H3>Selecting the Media Size, Type, and Source</H3>
+
+<P>The <CODE>-o media=xyz</CODE> option sets the media size, type,
+and/or source:
+
+<UL><PRE>
+<B>lp -o media=Letter filename ENTER</B>
+<B>lp -o media=Letter,MultiPurpose filename ENTER</B>
+<B>lpr -o media=Letter,Transparency filename ENTER</B>
+<B>lpr -o media=Letter,MultiPurpose,Transparency filename ENTER</B>
+</PRE></UL>
+
+<!-- NEED 3in -->
+<P>The available media sizes, types, and sources depend on the printer, but
+most support the following options (case is not significant):
+
+<UL>
+
+	<LI><CODE>Letter</CODE> - US Letter (8.5x11 inches, or 216x279mm)
+
+	<LI><CODE>Legal</CODE> - US Legal (8.5x14 inches, or 216x356mm)
+
+	<LI><CODE>A4</CODE> - ISO A4 (8.27x11.69 inches, or 210x297mm)
+
+	<LI><CODE>COM10</CODE> - US #10 Envelope (9.5x4.125 inches, or
+	241x105mm)
+
+	<LI><CODE>DL</CODE> - ISO DL Envelope (8.66x4.33 inches, or 220x110mm)
+
+	<LI><CODE>Transparency</CODE> - Transparency media type or source
+
+	<LI><CODE>Upper</CODE> - Upper paper tray
+
+	<LI><CODE>Lower</CODE> - Lower paper tray
+
+	<LI><CODE>MultiPurpose</CODE> - Multi-purpose paper tray
+
+	<LI><CODE>LargeCapacity</CODE> - Large capacity paper tray
+
+</UL>
+
+<P>The actual options supported are defined in the printer's PPD file
+in the <CODE>PageSize</CODE>, <CODE>InputSlot</CODE>, and
+<CODE>MediaType</CODE> options.
+
+<H3>Printing On Both Sides of the Paper</H3>
+
+<P>The <CODE>-o sides=two-sided-short-edge</CODE> and <CODE>-o
+sides=two-sided-long-edge</CODE> options will enable duplexing on the
+printer, if the printer supports it. The <CODE>-o
+sides=two-sided-short-edge</CODE> option is suitable for landscape
+pages, while the <CODE>-o sides=two-sided-long-edge</CODE> option is
+suitable for portrait pages:
+
+<UL><PRE>
+<B>lp -o sides=two-sided-short-edge filename ENTER</B>
+<B>lp -o sides=two-sided-long-edge filename ENTER</B>
+<B>lpr -o sides=two-sided-long-edge filename ENTER</B>
+</PRE></UL>
+
+<P>The default is to print single-sided:
+
+<UL><PRE>
+<B>lp -o sides=one-sided filename ENTER</B>
+<B>lpr -o sides=one-sided filename ENTER</B>
+</PRE></UL>
+
+<H2>Banner Options</H2>
+
+<P>The following options apply when printing all types of files.
+
+<H3>Selecting the Banner Page(s)</H3>
+
+<P>The <CODE>-o jobsheets=start,end</CODE> option sets the banner page(s) to
+use for a job:
+
+<UL><PRE>
+<B>lp -o job-sheets=none filename ENTER</B>
+<B>lp -o job-sheets=standard filename ENTER</B>
+<B>lpr -o job-sheets=classified,classified filename ENTER</B>
+</PRE></UL>
+
+<P>If only one banner file is specified, it will be printed before the
+files in the job. If a second banner file is specified, it is printed after
+the files in the job.
+
+<P>The available banner pages depend on the local system configuration; CUPS
+includes the following banner files:
+
+<UL>
+
+	<LI><CODE>none</CODE> - Do not produce a banner page.
+
+	<LI><CODE>classified</CODE> - A banner page with a "classified"
+	label at the top and bottom.
+
+	<LI><CODE>confidential</CODE> - A banner page with a
+	"confidential" label at the top and bottom.
+
+	<LI><CODE>secret</CODE> - A banner page with a "secret" label
+	at the top and bottom.
+
+	<LI><CODE>standard</CODE> - A banner page with no label at the
+	top and bottom.
+
+	<LI><CODE>topsecret</CODE> - A banner page with a "top secret"
+	label at the top and bottom.
+
+	<LI><CODE>unclassified</CODE> - A banner page with an
+	"unclassified" label at the top and bottom.
+
+</UL>
+
+<H2>Document Options</H2>
+
+<P>The following options apply when printing all types of files.
+
+<H3>Selecting a Range of Pages</H3>
+
+<P>The <CODE>-o page-ranges=pages</CODE> option selects a range of
+pages for printing:
+
+<UL><PRE>
+<B>lp -o page-ranges=1 filename ENTER</B>
+<B>lp -o page-ranges=1-4 filename ENTER</B>
+<B>lp -o page-ranges=1-4,7,9-12 filename ENTER</B>
+<B>lpr -o page-ranges=1-4,7,9-12 filename ENTER</B>
+</PRE></UL>
+
+<P>As shown above, the <CODE>pages</CODE> value can be a single page, a
+range of pages, or a collection of page numbers and ranges separated by
+commas. The pages will always be printed in ascending order, regardless
+of the order of the pages in the <CODE>page-ranges</CODE> option.
+
+<P>The default is to print all pages.
+
+<H3>Selecting Even or Odd Pages</H3>
+
+<P>Use the <CODE>-o page-set=set</CODE> option to select the even or odd pages:
+
+<UL><PRE>
+<B>lp -o page-set=odd filename ENTER</B>
+<B>lp -o page-set=even filename ENTER</B>
+<B>lpr -o page-set=even filename ENTER</B>
+</PRE></UL>
+
+<P>The default is to print all pages.
+
+<H3>N-Up Printing</H3>
+
+<P>The <CODE>-o number-up=value</CODE> option selects N-Up printing. 
+N-Up printing places multiple document pages on a single printed page. 
+CUPS supports 1-Up, 2-Up, and 4-Up formats:
+
+<UL><PRE>
+<B>lp -o number-up=1 filename ENTER</B>
+<B>lp -o number-up=2 filename ENTER</B>
+<B>lp -o number-up=4 filename ENTER</B>
+<B>lpr -o number-up=4 filename ENTER</B>
+</PRE></UL>
+
+<P>The default format is 1-Up.
+
+<H3>Setting the Brightness</H3>
+
+<P>You can control the overall brightness of the printed output using the
+<CODE>-o brightness=percent</CODE> option:
+
+<UL><PRE>
+<B>lp -o brightness=120 filename ENTER</B>
+<B>lpr -o brightness=120 filename ENTER</B>
+</PRE></UL>
+
+<P>Values greater than 100 will lighten the print, while values less than
+100 will darken it.
+
+<H3>Setting the Gamma Correction</H3>
+
+<P>You can control the overall gamma correction of the printed output
+using the <CODE>-o gamma=value</CODE> option:
+
+<UL><PRE>
+<B>lp -o gamma=1700 filename ENTER</B>
+<B>lpr -o gamma=1700 filename ENTER</B>
+</PRE></UL>
+
+<P>Values greater than 1000 will lighten the print, while values less
+than 1000 will darken it. The default gamma is 1000.
+
+<H2>Text Options</H2>
+
+<P>The following options apply when printing text files.
+
+<H3>Setting the Number of Characters Per Inch</H3>
+
+<P>The <CODE>-o cpi=value</CODE> option sets the number of characters per inch:
+
+<UL><PRE>
+<B>lp -o cpi=10 filename ENTER</B>
+<B>lp -o cpi=12 filename ENTER</B>
+<B>lpr -o cpi=17 filename ENTER</B>
+</PRE></UL>
+
+<P>The default characters per inch is 10.
+
+<H3>Setting the Number of Lines Per Inch</H3>
+
+<P>The <CODE>-o lpi=value</CODE> option sets the number of lines per inch:
+
+<UL><PRE>
+<B>lp -o lpi=6 filename ENTER</B>
+<B>lpr -o lpi=8 filename ENTER</B>
+</PRE></UL>
+
+<P>The default lines per inch is 6.
+
+<H3>Setting the Number of Columns</H3>
+
+<P>The <CODE>-o columns=value</CODE> option sets the number of text columns:
+
+<UL><PRE>
+<B>lp -o columns=2 filename ENTER</B>
+<B>lpr -o columns=3 filename ENTER</B>
+</PRE></UL>
+
+<P>The default number of columns is 1.
+
+<H3>Setting the Page Margins</H3>
+
+<P>Normally the page margins are set to the hard limits of the printer.
+Use the <CODE>-o page-left=value</CODE>, <CODE>-o
+page-right=value</CODE>, <CODE>-o page-top=value</CODE>, and <CODE>-o
+page-bottom=value</CODE> options to adjust the page margins:
+
+<UL><PRE>
+<B>lp -o page-left=<I>value</I> filename ENTER</B>
+<B>lp -o page-right=<I>value</I> filename ENTER</B>
+<B>lp -o page-top=<I>value</I> filename ENTER</B>
+<B>lp -o page-bottom=<I>value</I> filename ENTER</B>
+<B>lpr -o page-bottom=<I>value</I> filename ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>value</CODE> argument is the margin in points; each point is 1/72 inch
+or 0.35mm.
+
+<H3>Pretty Printing</H3>
+
+<P>The <CODE>-o prettyprint</CODE> option puts a header at the top of each page with the
+page number, job title (usually the filename), and the date. Also, C and C++
+keywords are highlighted, and comment lines are italicized:
+
+<UL><PRE>
+<B>lp -o prettyprint filename ENTER</B>
+<B>lpr -o prettyprint filename ENTER</B>
+</PRE></UL>
+
+<H2>Image Options</H2>
+
+<P>The following options apply when printing image files.
+
+<H3>Positioning the Image</H3>
+
+<P>The <CODE>-o position=name</CODE> option specifies the position of the
+image on the page:
+
+<UL>
+
+	<LI><CODE>center</CODE> - Center the image on the page (default)
+
+	<LI><CODE>top</CODE> - Print the image centered at the top of the page
+
+	<LI><CODE>left</CODE> - Print the image centered on the left of page
+
+	<LI><CODE>right</CODE> - Print the image centered on the right of the page
+
+	<LI><CODE>top-left</CODE> - Print the image at the top left corner of
+	the page
+
+	<LI><CODE>top-right</CODE> - Print the image at the top right corner of
+	the page
+
+	<LI><CODE>bottom</CODE> - Print the image centered at the bottom of
+	the page
+
+	<LI><CODE>bottom-left</CODE> - Print the image at the bottom left
+	corner of the page
+
+	<LI><CODE>bottom-right</CODE> - Print the image at the bottom right
+	corner of the page
+
+</UL>
+
+<H3>Scaling the Image</H3>
+
+<P>The <CODE>-o scaling=percent</CODE>, <CODE>-o
+ppi=value</CODE>, and <CODE>-o natural-scaling=percent</CODE>
+options change the size of a printed image:
+
+<UL><PRE>
+<B>lp -o scaling=<I>percent</I> filename ENTER</B>
+<B>lp -o ppi=<I>value</I> filename ENTER</B>
+<B>lpr -o natural-scaling=<I>percent</I> filename ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>scaling=percent</CODE> value is a number from 1 to 800
+specifying the size in relation to the page (<I>not</I> the image.) A
+scaling of 100 percent will fill the page as completely as the image
+aspect ratio allows. A scaling of 200 percent will print on up to 4
+pages.
+
+<P>The <CODE>ppi=value</CODE> value is a number from 1 to 1200 specifying the
+resolution of the image in pixels per inch. An image that is 3000x2400
+pixels will print 10x8 inches at 300 pixels per inch, for example. If
+the specified resolution makes the image larger than the page, multiple
+pages will be printed to satisfy the request.
+
+<P>The <CODE>natural-scaling=percent</CODE> value is a number
+from 1 to 800 specifying the size in relation to the natural
+image size. A scaling of 100 percent will print the image at its
+natural size, while a scaling of 50 percent will print the image
+at half its natural size. If the specified scaling makes the
+image larger than the page, multiple pages will be printed to
+satisfy the request.
+
+<H3>Adjusting the Hue (Tint) of an Image</H3>
+
+<P>The <CODE>-o hue=value</CODE> option will adjust the hue of the
+printed image, much like the tint control on your television:
+
+<UL><PRE>
+<B>lp -o hue=<I>value</I> filename ENTER</B>
+<B>lpr -o hue=<I>value</I> filename ENTER</B>
+</PRE></UL>
+
+<!-- NEED 3in -->
+<P>The <CODE>value</CODE> argument is a number from -360 to 360 and represents the
+color hue rotation. The following table summarizes the change you'll see with
+different colors:
+
+<CENTER><TABLE WIDTH="50%" BORDER="1">
+<TR>
+	<TH>Original</TH>
+	<TH>hue=-45</TH>
+	<TH>hue=45</TH>
+</TR>
+<TR>
+	<TD>Red</TD>
+	<TD>Purple</TD>
+	<TD>Yellow-orange</TD>
+</TR>
+<TR>
+	<TD>Green</TD>
+	<TD>Yellow-green</TD>
+	<TD>Blue-green</TD>
+</TR>
+<TR>
+	<TD>Yellow</TD>
+	<TD>Orange</TD>
+	<TD>Green-yellow</TD>
+</TR>
+<TR>
+	<TD>Blue</TD>
+	<TD>Sky-blue</TD>
+	<TD>Purple</TD>
+</TR>
+<TR>
+	<TD>Magenta</TD>
+	<TD>Indigo</TD>
+	<TD>Crimson</TD>
+</TR>
+<TR>
+	<TD>Cyan</TD>
+	<TD>Blue-green</TD>
+	<TD>Light-navy-blue</TD>
+</TR>
+</TABLE></CENTER>
+
+<P>The default hue adjustment is 0.
+
+<H3>Adjusting the Saturation (Color) of an Image</H3>
+
+<P>The <CODE>-o saturation=percent</CODE> option adjusts the saturation
+of the colors in an image, much like the color knob on your television:
+
+<UL><PRE>
+<B>lp -o saturation=<I>percent</I> filename ENTER</B>
+<B>lpr -o saturation=<I>percent</I> filename ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>percent</CODE> argument specifies the color saturation
+from 0 to 200. A color saturation of 0 produces a black-and-white
+print, while a value of 200 will make the colors extremely intense.
+
+<P>The default saturation is 100.
+
+<!-- NEED 4in -->
+<H2>HP-GL/2 Options</H2>
+
+<P>The following options apply to HP-GL/2 files.
+
+<H3>Printing in Black</H3>
+
+<P>The <CODE>-o blackplot</CODE> option specifies that all pens should
+plot in black:
+
+<UL><PRE>
+<B>lp -o blackplot filename ENTER</B>
+<B>lpr -o blackplot filename ENTER</B>
+</PRE></UL>
+
+<P>The default is to use the colors defined in the plot file or the
+standard pen colors defined in the HP-GL/2 reference manual from
+Hewlett Packard.
+
+<H3>Fitting the Plot on the Page</H3>
+
+<P>The <CODE>-o fitplot</CODE> option specifies that the plot should be
+scaled to fit on the page:
+
+<UL><PRE>
+<B>lp -o fitplot filename ENTER</B>
+<B>lpr -o fitplot filename ENTER</B>
+</PRE></UL>
+
+<P>The default is to use the absolute distances specified in the plot
+file.
+
+<CENTER><TABLE WIDTH="80%" CELLPADDING="5" BORDER="1" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>This feature depends upon an accurate plot size (<CODE>PS</CODE>)
+	command in the HP-GL/2 file. If no plot size is given in the file
+	than the HP-GL/2 filter assumes the plot is ANSI E size.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<H3>Setting the Default Pen Width</H3>
+
+<P>The <CODE>-o penwidth=value</CODE> option specifies the default pen
+width for HP-GL/2 files:
+
+<UL><PRE>
+<B>lp -o penwidth=<I>value</I> filename ENTER</B>
+<B>lpr -o penwidth=<I>value</I> filename ENTER</B>
+</PRE></UL>
+
+<P>The pen width <CODE>value</CODE> specifies the pen width in micrometers.
+The default value of 1000 produces lines that are 1 millimeter in width.
+Specifying a pen width of 0 produces lines that are exactly 1 pixel wide.
+
+<CENTER><TABLE WIDTH="80%" CELLPADDING="5" BORDER="1" BGCOLOR="#cccccc">
+<TR>
+	<TD>
+	<B>NOTE:</B>
+
+	<P>This option is ignored when the pen widths are set in the
+	plot file.
+	</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>Raw or Unfiltered Output</H2>
+
+<P>The <CODE>-o raw</CODE> option allows you to send files directly to
+a printer without filtering. This is sometimes required when printing
+from applications that provide their own "printer drivers" for your
+printer:
+
+<UL><PRE>
+<B>lp -o raw filename ENTER</B>
+<B>lpr -o raw filename ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>-l</CODE> option can also be used with the
+<CODE>lpr</CODE> command to send files directly to a printer:
+
+<UL><PRE>
+<B>lpr -l filename ENTER</B>
+</PRE></UL>
+
+
+<H1 ALIGN="RIGHT"><A NAME="SAVING_OPTIONS">4 - Saving Printer Options and Defaults</A></H1>
+
+<P>This chapter describes how to save printer options for your printer and
+set your own default printer.
+
+<H2>Printer Options</H2>
+
+<P>Each printer supports a large number of options, which you learned about
+in <A HREF="#STANDARD_OPTIONS">Chapter 3, "Standard Printer Options"</A>.
+Rather than specifying these options each time you print a file, CUPS allows
+you to save them as "default" options for the printer.
+
+<P>The <CODE>lpoptions(1)</CODE> command saves the options for your printers.
+Like the <CODE>lp</CODE> and <CODE>lpr</CODE> commands, it accepts printer
+options using the <CODE>-o</CODE> argument:
+
+<UL><PRE>
+<B>lpoptions -o media=A4 -o sides=two-sided-long-edge ENTER</B>
+<B>lpoptions -o media=Legal -o scaling=100 ENTER</B>
+</PRE></UL>
+
+<P>Once saved, any <CODE>lp</CODE> or <CODE>lpr</CODE> command will
+use them when you print.
+
+<H2>Setting Options for a Specific Printer</H2>
+
+<P>The previous example shows how to set the options for the default
+printer. The <CODE>-p printer</CODE> option specifies the options are
+for another printer:
+
+<UL><PRE>
+<B>lpoptions -p laserjet -o media=A4 -o sides=two-sided-long-edge ENTER</B>
+<B>lpoptions -p deskjet -o media=Legal -o scaling=100 ENTER</B>
+</PRE></UL>
+
+<H2>Viewing the Current Defaults</H2>
+
+<P>The <CODE>lpoptions</CODE> command can also be used to show the current
+options by not specifying any new options on the command-line:
+
+<UL><PRE>
+<B>lpoptions ENTER</B>
+media=A4 sides=two-sided-long-edge
+<B>lpoptions -p deskjet ENTER</B>
+media=Legal scaling=100
+</PRE></UL>
+
+<H2>Setting the Default Printer</H2>
+
+<P>The administrator normally will set a system-wide default printer
+that is normally used as the default printer by everyone. Use the
+<CODE>-d printer</CODE> option to set your own default printer:
+
+<UL><PRE>
+<B>lpoptions -d deskjet ENTER</B>
+</PRE></UL>
+
+<P>The printer can be local (<CODE>deskjet</CODE>) or remote
+(<CODE>deskjet@server</CODE>).
+
+<H2>Printer Instances</H2>
+
+<P>Besides setting options for each print queue, CUPS supports
+<I>printer instances</I> which allow you to define several different
+sets of options for each printer. You specify a printer instance using
+the slash (<CODE>/</CODE>) character:
+
+<UL><PRE>
+<B>lpoptions -p laserjet/duplex -o sides=two-sided-long-edge ENTER</B>
+<B>lpoptions -p laserjet/legal -o media=Legal ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>lp</CODE> and </CODE>lpr</CODE> commands also understand
+this notation:
+
+<UL><PRE>
+<B>lp -d laserjet/duplex filename ENTER</B>
+<B>lpr -P laserjet/legal filename ENTER</B>
+</PRE></UL>
+
+<H2>Removing Instances</H2>
+
+<P>Use the <CODE>-x printer/instance</CODE> option to remove a printer
+instance that you no longer need:
+
+<UL><PRE>
+<B>lpoptions -x laserjet ENTER</B>
+<B>lpoptions -x laserjet/duplex ENTER</B>
+<B>lpoptions -x laserjet/legal ENTER</B>
+</PRE></UL>
+
+<P>The <CODE>-x</CODE> option only removes the default options for that
+printer and instance; the original print queue will remain until deleted
+with the <CODE>lpadmin(8)</CODE> command by the administrator.
+
+
+<H1 ALIGN="RIGHT"><A NAME="LICENSE">A - Software License
+Agreement</A></H1>
+
+<EMBED SRC="../LICENSE.html">
+
+</BODY>
+</HTML>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<HTML>
+<HEAD>
+<TITLE>CUPS Software Version Description</TITLE>
+<META NAME="author" CONTENT="Easy Software Products">
+<META NAME="copyright" CONTENT="Copyright 1997-2002, All Rights Reserved">
+<META NAME="docnumber" CONTENT="CUPS-SVD-1.1">
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
+<STYLE TYPE="text/css"><!--
+BODY { font-family: serif }
+H1 { font-family: sans-serif }
+H2 { font-family: sans-serif }
+H3 { font-family: sans-serif }
+H4 { font-family: sans-serif }
+H5 { font-family: sans-serif }
+H6 { font-family: sans-serif }
+SUB { font-size: smaller }
+SUP { font-size: smaller }
+PRE { font-family: monospace }
+--></STYLE>
+</HEAD>
+<BODY>
+<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
+<H1>CUPS Software Version Description</H1></A><BR>
+CUPS-SVD-1.1<BR>
+Easy Software Products<BR>
+Copyright 1997-2002, All Rights Reserved<BR>
+</CENTER>
+<HR>
+<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
+<BR>
+<BR><B><A HREF="#1">1 Scope</A></B>
+<UL>
+<LI><A HREF="#1_1">1.1 Identification</A></LI>
+<LI><A HREF="#1_2">1.2 System Overview</A></LI>
+<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
+</UL>
+<B><A HREF="#2">2 References</A></B>
+<UL>
+<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
+<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
+</UL>
+<B><A HREF="#3">3 Additions</A></B>
+<UL>
+<LI><A HREF="#3_1">3.1 Filters</A></LI>
+<UL>
+<LI><A HREF="#3_1_1">3.1.1 imagetoraster, imagetops</A></LI>
+<LI><A HREF="#3_1_2">3.1.2 pdftops</A></LI>
+<LI><A HREF="#3_1_3">3.1.3 pstoraster</A></LI>
+<LI><A HREF="#3_1_4">3.1.4 rastertoepson</A></LI>
+</UL>
+<LI><A HREF="#3_2">3.2 User-Defined Printers and Options</A></LI>
+<LI><A HREF="#3_3">3.3 Daemons</A></LI>
+<UL>
+<LI><A HREF="#3_3_1">3.3.1 cups-lpd</A></LI>
+<LI><A HREF="#3_3_2">3.3.2 cups-polld</A></LI>
+</UL>
+<LI><A HREF="#3_4">3.4 Commands</A></LI>
+<UL>
+<LI><A HREF="#3_4_1">3.4.1 lpoptions</A></LI>
+<LI><A HREF="#3_4_2">3.4.2 lpmove</A></LI>
+<LI><A HREF="#3_4_3">3.4.3 lpinfo</A></LI>
+</UL>
+<LI><A HREF="#3_5">3.5 IPP Implementation</A></LI>
+</UL>
+<B><A HREF="#4">4 Changes</A></B>
+<UL>
+<LI><A HREF="#4_1">4.1 Directory Structure</A></LI>
+<LI><A HREF="#4_2">4.2 IPP Implementation</A></LI>
+</UL>
+<B><A HREF="#5">A Glossary</A></B>
+<UL>
+<LI><A HREF="#5_1">A.1 Terms</A></LI>
+<LI><A HREF="#5_2">A.2 Acronyms</A></LI>
+</UL>
+<HR>
+<H1><A NAME="1">1 Scope</A></H1>
+<H2><A NAME="1_1">1.1 Identification</A></H2>
+ This software version description document provides release information
+ for the Common UNIX Printing System (&quot;CUPS&quot;) Version 1.1.
+<H2><A NAME="1_2">1.2 System Overview</A></H2>
+<P>CUPS provides a portable printing layer for UNIX&reg;-based operating
+ systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
+ Software Products</A> to promote a standard printing solution for all
+ UNIX vendors and users. CUPS provides the System V and Berkeley
+ command-line interfaces.</P>
+<P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
+ managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
+ Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
+ also supported with reduced functionality. CUPS adds network printer
+ browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
+ options to support real-world printing under UNIX.</P>
+<P>CUPS also includes a customized version of GNU Ghostscript (currently
+ based off GNU Ghostscript 5.50) and an image file RIP that are used to
+ support non-PostScript printers. Sample drivers for HP and EPSON
+ printers are included that use these filters.</P>
+<H2><A NAME="1_3">1.3 Document Overview</A></H2>
+<P>This software version description document is organized into the
+ following sections:</P>
+<UL>
+<LI><A HREF="#1">1 - Scope</A></LI>
+<LI><A HREF="#2">2 - References</A></LI>
+<LI><A HREF="#3">3 - Additions</A></LI>
+<LI><A HREF="#4">4 - Changes</A></LI>
+<LI><A HREF="#5">A - Glossary</A></LI>
+</UL>
+<H1><A NAME="2">2 References</A></H1>
+<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
+<P>The following CUPS documentation is referenced by this document:</P>
+<UL>
+<LI>CUPS-CMP-1.1: CUPS Configuration Management Plan</LI>
+<LI>CUPS-IDD-1.1: CUPS System Interface Design Description</LI>
+<LI>CUPS-IPP-1.1: CUPS Implementation of IPP</LI>
+<LI>CUPS-SAM-1.1.x: CUPS Software Administrators Manual</LI>
+<LI>CUPS-SDD-1.1: CUPS Software Design Description</LI>
+<LI>CUPS-SPM-1.1.x: CUPS Software Programming Manual</LI>
+<LI>CUPS-SSR-1.1: CUPS Software Security Report</LI>
+<LI>CUPS-STP-1.1: CUPS Software Test Plan</LI>
+<LI>CUPS-SUM-1.1.x: CUPS Software Users Manual</LI>
+<LI>CUPS-SVD-1.1: CUPS Software Version Description</LI>
+</UL>
+<H2><A NAME="2_2">2.2 Other Documents</A></H2>
+<P>The following non-CUPS documents are referenced by this document:</P>
+<UL>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
+Adobe PostScript Printer Description File Format Specification, Version
+ 4.3.</A></LI>
+<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
+Adobe PostScript Language Reference, Third Edition.</A></LI>
+<LI>IPP: Job and Printer Set Operations</LI>
+<LI>IPP/1.1: Encoding and Transport</LI>
+<LI>IPP/1.1: Implementers Guide</LI>
+<LI>IPP/1.1: Model and Semantics</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
+ Daemon Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
+ for an Internet Printing Protocol</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
+ for the Structure of the Model and Protocol</A> for the Internet
+ Printing Protocol</LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
+ between LPD and IPP Protocols</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
+ Transfer Protocol -- HTTP/1.1</A></LI>
+<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
+ Authentication: Basic and Digest Access</A> Authentication</LI>
+</UL>
+<H1><A NAME="3">3 Additions</A></H1>
+<P>CUPS 1.1 includes many new features from the 1.0.x releases.</P>
+<H2><A NAME="3_1">3.1 Filters</A></H2>
+<H3><A NAME="3_1_1">3.1.1 <CODE>imagetoraster</CODE>, <CODE>imagetops</CODE>
+</A></H3>
+<P>The image file filters have been upgraded to support conversion of
+ Microsoft Bitmap (&quot;BMP&quot;) and Alias PIX files.</P>
+<H3><A NAME="3_1_2">3.1.2 pdftops</A></H3>
+<P>A new pdftops filter has been developed that is based on the
+ excellent Xpdf 0.90 software from Derek B. Noonburg. The new filter is
+ faster, smaller, and considerably more reliable than the
+ Ghostscript-based filter in CUPS 1.0.</P>
+<H3><A NAME="3_1_3">3.1.3 pstoraster</A></H3>
+<P>The <CODE>pstoraster</CODE> filter has been integrated with GNU
+ GhostScript 5.50. The new RIP supports most Level 3 PostScript language
+ features.</P>
+<H3><A NAME="3_1_4">3.1.4 rastertoepson</A></H3>
+<P>The new <CODE>rastertoepson</CODE> filter supports EPSON printers
+ using the ESC/P or ESC/P2 command sets. PPDs are supplied for 9-pin,
+ 24-pin, Stylus Color, and Stylus Photo printers.</P>
+<H2><A NAME="3_2">3.2 User-Defined Printers and Options</A></H2>
+<P>The new <CODE>lpoptions</CODE> command allows users to configure
+ default document options and create additional &quot;instances&quot; of existing
+ printers, each with unique options.</P>
+<P>The <CODE>lp</CODE>, <CODE>lpr</CODE>, and <CODE>lpstat</CODE>
+ commands have been upgraded to use this option and printer instance
+ information automatically.</P>
+<H2><A NAME="3_3">3.3 Daemons</A></H2>
+<P>CUPS 1.1 includes two new daemons that provide enhanced network
+ printing support.</P>
+<H3><A NAME="3_3_1">3.3.1 cups-lpd</A></H3>
+<P>The <CODE>cups-lpd</CODE> daemon provides support for clients using
+ the Line Printer Daemon protocol.</P>
+<H3><A NAME="3_3_2">3.3.2 cups-polld</A></H3>
+<P>The <CODE>cups-polld</CODE> daemon provides remote polling services
+ for the scheduler.</P>
+<H2><A NAME="3_4">3.4 Commands</A></H2>
+<P>CUPS 1.1 includes several new printing commands.</P>
+<H3><A NAME="3_4_1">3.4.1 lpoptions</A></H3>
+<P>The <CODE>lpoptions</CODE> command provides user-defined printers and
+ options.</P>
+<H3><A NAME="3_4_2">3.4.2 lpmove</A></H3>
+<P>The <CODE>lpmove</CODE> command moves a print job to a new
+ destination.</P>
+<H3><A NAME="3_4_3">3.4.3 lpinfo</A></H3>
+<P>The <CODE>lpinfo</CODE> command lists the available PPD files or
+ devices.</P>
+<H2><A NAME="3_5">3.5 IPP Implementation</A></H2>
+<P>CUPS 1.1 adds support for the <CODE>set-job-attributes</CODE>
+ extension operation as well as two new CUPS-specific extension
+ operations to determine which devices and printer drivers are available
+ on the system.</P>
+<P>Further information on the CUPS implementation of IPP can be found in
+ CUPS-IPP-1.1.</P>
+<H1><A NAME="4">4 Changes</A></H1>
+<P>CUPS 1.1 includes many changes from the 1.0.x releases.</P>
+<H2><A NAME="4_1">4.1 Directory Structure</A></H2>
+<P>The directory structure in CUPS 1.1 has been modified to conform to
+ the Filesystem Hierarchy Standard, 2.0. The following table describes
+ the new file locations.
+<CENTER>
+<TABLE BORDER WIDTH="80%"><CAPTION> Table 1: Directory structure changes
+ from CUPS 1.0.x to 1.1.x.</CAPTION>
+<TR><TH>Description</TH><TH>CUPS 1.0.x</TH><TH>CUPS 1.1.x</TH></TR>
+<TR><TD>Backends</TD><TD>/var/cups/backend</TD><TD>/usr/lib/cups/backend</TD>
+</TR>
+<TR><TD>CGI programs</TD><TD>/var/cups/cgi-bin</TD><TD>
+/usr/lib/cups/cgi-bin</TD></TR>
+<TR><TD>Configuration files</TD><TD>/var/cups/conf</TD><TD>/etc/cups</TD>
+</TR>
+<TR><TD>Documentation</TD><TD>/usr/share/cups/doc</TD><TD>
+/usr/share/doc/cups</TD></TR>
+<TR><TD>Filter programs</TD><TD>/var/cups/filter</TD><TD>
+/usr/lib/cups/filter</TD></TR>
+<TR><TD>Interface scripts</TD><TD>/var/cups/interfaces</TD><TD>
+/etc/cups/interfaces</TD></TR>
+<TR><TD>Locale data</TD><TD>/usr/lib/locale</TD><TD>/usr/share/locale</TD>
+</TR>
+<TR><TD>Log files</TD><TD>/var/cups/logs</TD><TD>/var/log/cups</TD></TR>
+<TR><TD>PPD files</TD><TD>/var/cups/ppd</TD><TD>/etc/cups/ppd</TD></TR>
+<TR><TD>Request files</TD><TD>/var/cups/requests</TD><TD>/var/spool/cups</TD>
+</TR>
+</TABLE>
+</CENTER>
+</P>
+<H2><A NAME="4_2">4.2 IPP Implementation</A></H2>
+<P>CUPS 1.1 is based on version 1.1 of the Internet Printing Protocol.</P>
+<P>The new scheduler supports the <CODE>create-job</CODE> and <CODE>
+send-document</CODE> operations. In addition, the <CODE>job-sheets</CODE>
+, <CODE>job-sheets-default</CODE>, and <CODE>job-sheets-supported</CODE>
+ attributes are now supported for banner pages.</P>
+<P>The <CODE>CUPS-get-printers</CODE> and <CODE>CUPS-get-classes</CODE>
+ operations have been upgraded to support limited filtering based upon
+ the <CODE>printer-type</CODE>, <CODE>printer-location</CODE>, <CODE>
+printer-info</CODE>, and <CODE>printer-make-and-model</CODE> attributes.</P>
+<P>The <CODE>CUPS-add-printer</CODE> operation now supports the <CODE>
+ppd-name</CODE> attribute to specify a locally-available PPD file rather
+ than sending the PPD file from the client with the request.</P>
+<P>Further information on the CUPS implementation of IPP can be found in
+ CUPS-IPP-1.1.</P>
+<H1 TYPE="A" VALUE="1"><A NAME="5">A Glossary</A></H1>
+<H2><A NAME="5_1">A.1 Terms</A></H2>
+<DL>
+<DT>C</DT>
+<DD>A computer language.</DD>
+<DT>parallel</DT>
+<DD>Sending or receiving data more than 1 bit at a time.</DD>
+<DT>pipe</DT>
+<DD>A one-way communications channel between two programs.</DD>
+<DT>serial</DT>
+<DD>Sending or receiving data 1 bit at a time.</DD>
+<DT>socket</DT>
+<DD>A two-way network communications channel.</DD>
+</DL>
+<H2><A NAME="5_2">A.2 Acronyms</A></H2>
+<DL>
+<DT>ASCII</DT>
+<DD>American Standard Code for Information Interchange</DD>
+<DT>CUPS</DT>
+<DD>Common UNIX Printing System</DD>
+<DT>ESC/P</DT>
+<DD>EPSON Standard Code for Printers</DD>
+<DT>FTP</DT>
+<DD>File Transfer Protocol</DD>
+<DT>HP-GL</DT>
+<DD>Hewlett-Packard Graphics Language</DD>
+<DT>HP-PCL</DT>
+<DD>Hewlett-Packard Page Control Language</DD>
+<DT>HP-PJL</DT>
+<DD>Hewlett-Packard Printer Job Language</DD>
+<DT>IETF</DT>
+<DD>Internet Engineering Task Force</DD>
+<DT>IPP</DT>
+<DD>Internet Printing Protocol</DD>
+<DT>ISO</DT>
+<DD>International Standards Organization</DD>
+<DT>LPD</DT>
+<DD>Line Printer Daemon</DD>
+<DT>MIME</DT>
+<DD>Multimedia Internet Mail Exchange</DD>
+<DT>PPD</DT>
+<DD>PostScript Printer Description</DD>
+<DT>SMB</DT>
+<DD>Server Message Block</DD>
+<DT>TFTP</DT>
+<DD>Trivial File Transfer Protocol</DD>
+</DL>
+</BODY>
+</HTML>
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+<HTML>
+<HEAD>
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2002, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-SVD-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Version Description</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+This software version description document provides release information for the
+Common UNIX Printing System ("CUPS") Version 1.1.
+
+<EMBED SRC="system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This software version description document is organized into the following
+sections:</P>
+
+<UL>
+	<LI><A HREF="#1">1 - Scope</A></LI>
+	<LI><A HREF="#2">2 - References</A></LI>
+	<LI><A HREF="#3">3 - Additions</A></LI>
+	<LI><A HREF="#4">4 - Changes</A></LI>
+	<LI><A HREF="#5">A - Glossary</A></LI>
+</UL>
+
+<EMBED SRC="references.shtml">
+
+<H1>Additions</H1>
+
+<P>CUPS 1.1 includes many new features from the 1.0.x releases.
+
+<H2>Filters</H2>
+
+<H3><CODE>imagetoraster</CODE>, <CODE>imagetops</CODE></H3>
+
+<P>The image file filters have been upgraded to support conversion of
+Microsoft Bitmap ("BMP") and Alias PIX files.
+
+<H3>pdftops</H3>
+
+<P>A new pdftops filter has been developed that is based on the
+excellent Xpdf 0.90 software from Derek B. Noonburg. The new filter is
+faster, smaller, and considerably more reliable than the
+Ghostscript-based filter in CUPS 1.0.
+
+<H3>pstoraster</H3>
+
+<P>The <CODE>pstoraster</CODE> filter has been integrated with GNU
+GhostScript 5.50. The new RIP supports most Level 3 PostScript language
+features.
+
+<H3>rastertoepson</H3>
+
+<P>The new <CODE>rastertoepson</CODE> filter supports EPSON printers
+using the ESC/P or ESC/P2 command sets. PPDs are supplied for 9-pin,
+24-pin, Stylus Color, and Stylus Photo printers.
+
+<H2>User-Defined Printers and Options</H2>
+
+<P>The new <CODE>lpoptions</CODE> command allows users to configure default
+document options and create additional "instances" of existing printers,
+each with unique options.
+
+<P>The <CODE>lp</CODE>, <CODE>lpr</CODE>, and <CODE>lpstat</CODE> commands
+have been upgraded to use this option and printer instance information
+automatically.
+
+<H2>Daemons</H2>
+
+<P>CUPS 1.1 includes two new daemons that provide enhanced network printing
+support.
+
+<H3>cups-lpd</H3>
+
+<P>The <CODE>cups-lpd</CODE> daemon provides support for clients using the
+Line Printer Daemon protocol.
+
+<H3>cups-polld</H3>
+
+<P>The <CODE>cups-polld</CODE> daemon provides remote polling services for
+the scheduler.
+
+<H2>Commands</H2>
+
+<P>CUPS 1.1 includes several new printing commands.
+
+<H3>lpoptions</H3>
+
+<P>The <CODE>lpoptions</CODE> command provides user-defined printers and
+options.
+
+<H3>lpmove</H3>
+
+<P>The <CODE>lpmove</CODE> command moves a print job to a new destination.
+
+<H3>lpinfo</H3>
+
+<P>The <CODE>lpinfo</CODE> command lists the available PPD files or devices.
+
+<H2>IPP Implementation</H2>
+
+<P>CUPS 1.1 adds support for the <CODE>set-job-attributes</CODE>
+extension operation as well as two new CUPS-specific extension
+operations to determine which devices and printer drivers are available
+on the system.
+
+<P>Further information on the CUPS implementation of IPP can be found
+in CUPS-IPP-1.1.
+
+
+<H1>Changes</H1>
+
+<P>CUPS 1.1 includes many changes from the 1.0.x releases.
+
+<H2>Directory Structure</H2>
+
+<P>The directory structure in CUPS 1.1 has been modified to conform to the
+Filesystem Hierarchy Standard, 2.0. The following table describes the
+new file locations.
+
+<CENTER><TABLE WIDTH="80%" BORDER>
+<CAPTION>Table 1: Directory structure changes from CUPS 1.0.x to 1.1.x.</CAPTION>
+<TR>
+	<TH>Description</TH>
+	<TH>CUPS 1.0.x</TH>
+	<TH>CUPS 1.1.x</TH>
+</TR>
+<TR>
+	<TD>Backends</TD>
+	<TD>/var/cups/backend</TD>
+	<TD>/usr/lib/cups/backend</TD>
+</TR>
+<TR>
+	<TD>CGI programs</TD>
+	<TD>/var/cups/cgi-bin</TD>
+	<TD>/usr/lib/cups/cgi-bin</TD>
+</TR>
+<TR>
+	<TD>Configuration files</TD>
+	<TD>/var/cups/conf</TD>
+	<TD>/etc/cups</TD>
+</TR>
+<TR>
+	<TD>Documentation</TD>
+	<TD>/usr/share/cups/doc</TD>
+	<TD>/usr/share/doc/cups</TD>
+</TR>
+<TR>
+	<TD>Filter programs</TD>
+	<TD>/var/cups/filter</TD>
+	<TD>/usr/lib/cups/filter</TD>
+</TR>
+<TR>
+	<TD>Interface scripts</TD>
+	<TD>/var/cups/interfaces</TD>
+	<TD>/etc/cups/interfaces</TD>
+</TR>
+<TR>
+	<TD>Locale data</TD>
+	<TD>/usr/lib/locale</TD>
+	<TD>/usr/share/locale</TD>
+</TR>
+<TR>
+	<TD>Log files</TD>
+	<TD>/var/cups/logs</TD>
+	<TD>/var/log/cups</TD>
+</TR>
+<TR>
+	<TD>PPD files</TD>
+	<TD>/var/cups/ppd</TD>
+	<TD>/etc/cups/ppd</TD>
+</TR>
+<TR>
+	<TD>Request files</TD>
+	<TD>/var/cups/requests</TD>
+	<TD>/var/spool/cups</TD>
+</TR>
+</TABLE></CENTER>
+
+<H2>IPP Implementation</H2>
+
+<P>CUPS 1.1 is based on version 1.1 of the Internet Printing Protocol.
+
+<P>The new scheduler supports the <CODE>create-job</CODE> and
+<CODE>send-document</CODE> operations. In addition, the
+<CODE>job-sheets</CODE>, <CODE>job-sheets-default</CODE>, and
+<CODE>job-sheets-supported</CODE> attributes are now supported for
+banner pages.
+
+<P>The <CODE>CUPS-get-printers</CODE> and <CODE>CUPS-get-classes</CODE>
+operations have been upgraded to support limited filtering based upon
+the <CODE>printer-type</CODE>, <CODE>printer-location</CODE>,
+<CODE>printer-info</CODE>, and <CODE>printer-make-and-model</CODE>
+attributes.
+
+<P>The <CODE>CUPS-add-printer</CODE> operation now supports the
+<CODE>ppd-name</CODE> attribute to specify a locally-available PPD file
+rather than sending the PPD file from the client with the request.
+
+<P>Further information on the CUPS implementation of IPP can be found
+in CUPS-IPP-1.1.
+
+<EMBED SRC="glossary.shtml">
+
+</BODY>
+</HTML>
diff --git a/doc/system-overview.shtml b/doc/system-overview.shtml
new file mode 100644
index 000000000..54b7df5e9
--- /dev/null
+++ b/doc/system-overview.shtml
@@ -0,0 +1,19 @@
+<H2>System Overview</H2>
+
+<P>CUPS provides a portable printing layer for UNIX&reg;-based
+operating systems. It has been developed by
+<A HREF="http://www.easysw.com">Easy Software Products</A> to promote a
+standard printing solution for all UNIX vendors and users. CUPS
+provides the System V and Berkeley command-line interfaces.
+
+<P>CUPS uses the Internet Printing Protocol ("IPP") as the basis for
+managing print jobs and queues. The Line Printer Daemon ("LPD") Server
+Message Block ("SMB"), and AppSocket (a.k.a. JetDirect) protocols are
+also supported with reduced functionality. CUPS adds network printer
+browsing and PostScript Printer Description ("PPD") based
+printing options to support real-world printing under UNIX.
+
+<P>CUPS also includes a customized version of GNU Ghostscript
+(currently based off GNU Ghostscript 5.50) and an image file RIP that
+are used to support non-PostScript printers. Sample drivers for HP and
+EPSON printers are included that use these filters.
diff --git a/filter/.cvsignore b/filter/.cvsignore
new file mode 100644
index 000000000..28ffe6753
--- /dev/null
+++ b/filter/.cvsignore
@@ -0,0 +1,13 @@
+hpgltops
+imagetops
+imagetoraster
+libcupsimage.a
+libcupsimage.dylib.2
+libcupsimage.sl.2
+libcupsimage.so.2
+libcupsimage_s.a
+pstops
+rastertodymo
+rastertoepson
+rastertohp
+texttops
diff --git a/filter/Makefile b/filter/Makefile
new file mode 100644
index 000000000..c3f0cbc05
--- /dev/null
+++ b/filter/Makefile
@@ -0,0 +1,246 @@
+#
+# "$Id$"
+#
+#   Filter makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+TARGETS	=	hpgltops texttops pstops imagetops imagetoraster \
+		rastertodymo rastertoepson rastertohp
+
+HPGLOBJS =	hpgl-attr.o hpgl-config.o hpgl-main.o hpgl-prolog.o \
+		hpgl-char.o hpgl-input.o hpgl-polygon.o hpgl-vector.o
+IMAGEOBJS =	image-bmp.o image-colorspace.o image-gif.o image-jpeg.o \
+		image-photocd.o image-pix.o image-png.o image-pnm.o \
+		image-sgi.o image-sgilib.o image-sun.o image-tiff.o \
+		image-zoom.o image.o raster.o
+FORMOBJS =	form-attr.o form-main.o form-ps.o form-text.o form-tree.o
+OBJS	=	$(HPGLOBJS) $(IMAGEOBJS) $(FORMOBJS) \
+		imagetops.o imagetoraster.o common.o pstops.o raster.o \
+		rastertodymo.o rastertoepson.o rastertohp.o texttops.o \
+		textcommon.o 
+
+#
+# Make all targets...
+#
+
+all:	$(TARGETS)
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS) $(TARGETS) $(LIBCUPSIMAGE) `basename $(LIBCUPSIMAGE) .2`
+
+
+#
+# Install all targets...
+#
+
+install:
+	$(INSTALL_DIR) $(SERVERBIN)/filter
+	for file in $(TARGETS); do \
+		$(INSTALL_BIN) $$file $(SERVERBIN)/filter; \
+	done
+	$(INSTALL_DIR) $(LIBDIR)
+	$(INSTALL_LIB) $(LIBCUPSIMAGE) $(LIBDIR)
+	-if test $(LIBCUPSIMAGE) = "libcupsimage.so.2" -o $(LIBCUPSIMAGE) = "libcupsimage.sl.2"; then \
+		$(RM) $(LIBDIR)/`basename $(LIBCUPSIMAGE) .2`; \
+		$(LN) $(LIBCUPSIMAGE) $(LIBDIR)/`basename $(LIBCUPSIMAGE) .2`; \
+	fi
+	-if test $(LIBCUPSIMAGE) = "libcupsimage.2.dylib"; then \
+		$(RM) $(LIBDIR)/libcupsimage.dylib; \
+		$(LN) $(LIBCUPSIMAGE) $(LIBDIR)/libcupsimage.dylib; \
+	fi
+	$(INSTALL_DIR) $(INCLUDEDIR)/cups
+	$(INSTALL_DATA) image.h $(INCLUDEDIR)/cups
+	$(INSTALL_DATA) raster.h $(INCLUDEDIR)/cups
+
+
+#
+# formtops
+#
+
+formtops:	$(FORMOBJS) common.o ../Makedefs ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ $(FORMOBJS) common.o $(LIBS) -lm
+$(FORMOBJS):	form.h
+
+
+#
+# hpgltops
+#
+
+hpgltops:	$(HPGLOBJS) common.o ../Makedefs ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ $(HPGLOBJS) common.o $(LIBS) -lm
+$(HPGLOBJS):	hpgltops.h
+
+
+#
+# libcupsimage.so.2, libcupsimage.sl.2
+#
+
+libcupsimage.so.2 libcupsimage.sl.2:	$(IMAGEOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) $(DSOFLAGS) -o $@ $(IMAGEOBJS) $(DSOLIBS) -lm
+	$(RM) `basename $@ .2`
+	$(LN) $@ `basename $@ .2`
+
+
+#
+# libcupsimage.2.dylib
+#
+
+libcupsimage.2.dylib:	$(IMAGEOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) $(DSOFLAGS) -o $@  \
+		-dylib_install_name $(LIBDIR)/libcupsimage.dylib \
+		-dylib_current_version 2.0.0 \
+		-dylib_compatibility_version 2.0.0 \
+		$(IMAGEOBJS) $(DSOLIBS) $(LINKCUPS) -lm -lcc_dynamic
+	$(RM) libcupsimage.dylib
+	$(LN) $@ libcupsimage.dylib
+
+
+#
+# libcupsimage_s.a
+#
+
+libcupsimage_s.a:	$(IMAGEOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) $(DSOFLAGS) -o libcupsimage_s.o $(IMAGEOBJS) $(DSOLIBS) \
+		$(LINKCUPS) -lm
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ libcupsimage_s.o
+
+
+#
+# libcupsimage.la
+#
+
+libcupsimage.la:       $(IMAGEOBJS) ../Makedefs
+	echo Linking $@...
+	$(DSO) -o $(DSOFLAGS) $@ $(IMAGEOBJS:.o=.lo) $(DSOLIBS) \
+		-rpath $(LIBDIR) -version-info 2:0
+
+
+#
+# libcupsimage.a
+#
+
+libcupsimage.a:	$(IMAGEOBJS) ../Makedefs
+	echo Archiving $@...
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ $(IMAGEOBJS)
+	$(RANLIB) $@
+
+$(IMAGEOBJS):	image.h
+raster.o:	raster.h
+
+
+#
+# imagetops
+#
+
+imagetops:	imagetops.o common.o $(LIBCUPSIMAGE) ../Makedefs \
+		../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ imagetops.o common.o $(LINKCUPSIMAGE) \
+		$(IMGLIBS) $(LIBS)
+imagetops.o:	common.h image.h
+
+
+#
+# imagetoraster
+#
+
+imagetoraster:	imagetoraster.o common.o $(LIBCUPSIMAGE) ../Makedefs \
+		../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ imagetoraster.o common.o $(LINKCUPSIMAGE) \
+		$(IMGLIBS) $(LIBS)
+imagetoraster.o:	common.h image.h raster.h
+
+
+#
+# pstops
+#
+
+pstops:	pstops.o common.o ../Makedefs ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ pstops.o common.o $(LIBS)
+pstops.o:	common.h
+
+
+#
+# rastertodymo
+#
+
+rastertodymo:	rastertodymo.o ../Makedefs ../cups/$(LIBCUPS) $(LIBCUPSIMAGE)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ rastertodymo.o $(LINKCUPSIMAGE) $(IMGLIBS) $(LIBS)
+rastertodymo.o:	raster.h
+
+
+#
+# rastertoepson
+#
+
+rastertoepson:	rastertoepson.o ../Makedefs ../cups/$(LIBCUPS) $(LIBCUPSIMAGE)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ rastertoepson.o $(LINKCUPSIMAGE) $(IMGLIBS) $(LIBS)
+rastertoepson.o:	raster.h
+
+
+#
+# rastertohp
+#
+
+rastertohp:	rastertohp.o ../Makedefs ../cups/$(LIBCUPS) $(LIBCUPSIMAGE)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ rastertohp.o $(LINKCUPSIMAGE) $(IMGLIBS) $(LIBS)
+rastertohp.o:	raster.h
+
+
+#
+# texttops
+#
+
+texttops:	texttops.o textcommon.o common.o ../Makedefs \
+		../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ texttops.o textcommon.o common.o $(LIBS)
+texttops.o:	common.h textcommon.h
+
+common.o:	common.h
+textcommon.o:	textcommon.h common.h
+
+
+$(OBJS):	../Makedefs ../cups/cups.h ../cups/ppd.h ../cups/language.h
+
+
+#
+# End of "$Id$".
+#
diff --git a/filter/common.c b/filter/common.c
new file mode 100644
index 000000000..e80f3b059
--- /dev/null
+++ b/filter/common.c
@@ -0,0 +1,400 @@
+/*
+ * "$Id$"
+ *
+ *   Common filter routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   SetCommonOptions() - Set common filter options for media size,
+ *                        etc.
+ *   UpdatePageVars()   - Update the page variables for the orientation.
+ *   WriteLabelProlog() - Write the prolog with the classification
+ *                        and page label.
+ *   WriteLabels()      - Write the actual page labels.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+
+
+/*
+ * Globals...
+ */
+
+int	Orientation = 0,	/* 0 = portrait, 1 = landscape, etc. */
+	Duplex = 0,		/* Duplexed? */
+	LanguageLevel = 1,	/* Language level of printer */
+	ColorDevice = 1;	/* Do color text? */
+float	PageLeft = 18.0f,	/* Left margin */
+	PageRight = 594.0f,	/* Right margin */
+	PageBottom = 36.0f,	/* Bottom margin */
+	PageTop = 756.0f,	/* Top margin */
+	PageWidth = 612.0f,	/* Total page width */
+	PageLength = 792.0f;	/* Total page length */
+
+
+/*
+ * 'SetCommonOptions()' - Set common filter options for media size, etc.
+ */
+
+ppd_file_t *					/* O - PPD file */
+SetCommonOptions(int           num_options,	/* I - Number of options */
+                 cups_option_t *options,	/* I - Options */
+		 int           change_size)	/* I - Change page size? */
+{
+  ppd_file_t	*ppd;		/* PPD file */
+  ppd_size_t	*pagesize;	/* Current page size */
+  const char	*val;		/* Option value */
+
+
+  ppd = ppdOpenFile(getenv("PPD"));
+
+  ppdMarkDefaults(ppd);
+  cupsMarkOptions(ppd, num_options, options);
+
+  if ((pagesize = ppdPageSize(ppd, NULL)) != NULL)
+  {
+    PageWidth  = pagesize->width;
+    PageLength = pagesize->length;
+    PageTop    = pagesize->top;
+    PageBottom = pagesize->bottom;
+    PageLeft   = pagesize->left;
+    PageRight  = pagesize->right;
+
+    fprintf(stderr, "DEBUG: Page = %.0fx%.0f; %.0f,%.0f to %.0f,%.0f\n",
+            PageWidth, PageLength, PageLeft, PageBottom, PageRight, PageTop);
+  }
+
+  if (ppd != NULL)
+  {
+    ColorDevice   = ppd->color_device;
+    LanguageLevel = ppd->language_level;
+  }
+
+  if ((val = cupsGetOption("landscape", num_options, options)) != NULL)
+    Orientation = 1;
+
+  if ((val = cupsGetOption("orientation-requested", num_options, options)) != NULL)
+  {
+   /*
+    * Map IPP orientation values to 0 to 3:
+    *
+    *   3 = 0 degrees   = 0
+    *   4 = 90 degrees  = 1
+    *   5 = -90 degrees = 3
+    *   6 = 180 degrees = 2
+    */
+
+    Orientation = atoi(val) - 3;
+    if (Orientation >= 2)
+      Orientation ^= 1;
+  }
+
+  if ((val = cupsGetOption("page-left", num_options, options)) != NULL)
+  {
+    switch (Orientation & 3)
+    {
+      case 0 :
+          PageLeft = (float)atof(val);
+	  break;
+      case 1 :
+          PageBottom = (float)atof(val);
+	  break;
+      case 2 :
+          PageRight = PageWidth - (float)atof(val);
+	  break;
+      case 3 :
+          PageTop = PageLength - (float)atof(val);
+	  break;
+    }
+  }
+
+  if ((val = cupsGetOption("page-right", num_options, options)) != NULL)
+  {
+    switch (Orientation & 3)
+    {
+      case 0 :
+          PageRight = PageWidth - (float)atof(val);
+	  break;
+      case 1 :
+          PageTop = PageLength - (float)atof(val);
+	  break;
+      case 2 :
+          PageLeft = (float)atof(val);
+	  break;
+      case 3 :
+          PageBottom = (float)atof(val);
+	  break;
+    }
+  }
+
+  if ((val = cupsGetOption("page-bottom", num_options, options)) != NULL)
+  {
+    switch (Orientation & 3)
+    {
+      case 0 :
+          PageBottom = (float)atof(val);
+	  break;
+      case 1 :
+          PageLeft = (float)atof(val);
+	  break;
+      case 2 :
+          PageTop = PageLength - (float)atof(val);
+	  break;
+      case 3 :
+          PageRight = PageWidth - (float)atof(val);
+	  break;
+    }
+  }
+
+  if ((val = cupsGetOption("page-top", num_options, options)) != NULL)
+  {
+    switch (Orientation & 3)
+    {
+      case 0 :
+          PageTop = PageLength - (float)atof(val);
+	  break;
+      case 1 :
+          PageRight = PageWidth - (float)atof(val);
+	  break;
+      case 2 :
+          PageBottom = (float)atof(val);
+	  break;
+      case 3 :
+          PageLeft = (float)atof(val);
+	  break;
+    }
+  }
+
+  if (change_size)
+    UpdatePageVars();
+
+  if ((val = cupsGetOption("sides", num_options, options)) != NULL &&
+      strncasecmp(val, "two-", 4) == 0)
+    Duplex = 1;
+  else if ((val = cupsGetOption("Duplex", num_options, options)) != NULL &&
+           strncasecmp(val, "Duplex", 6) == 0)
+    Duplex = 1;
+  else if (ppdIsMarked(ppd, "Duplex", "DuplexNoTumble") ||
+           ppdIsMarked(ppd, "Duplex", "DuplexTumble"))
+    Duplex = 1;
+
+  return (ppd);
+}
+
+
+/*
+ * 'UpdatePageVars()' - Update the page variables for the orientation.
+ */
+
+void
+UpdatePageVars(void)
+{
+  float		temp;		/* Swapping variable */
+
+
+  switch (Orientation & 3)
+  {
+    case 0 : /* Portait */
+        break;
+
+    case 1 : /* Landscape */
+	temp       = PageLeft;
+	PageLeft   = PageBottom;
+	PageBottom = temp;
+
+	temp       = PageRight;
+	PageRight  = PageTop;
+	PageTop    = temp;
+
+	temp       = PageWidth;
+	PageWidth  = PageLength;
+	PageLength = temp;
+	break;
+
+    case 2 : /* Reverse Portrait */
+	temp       = PageWidth - PageLeft;
+	PageLeft   = PageWidth - PageRight;
+	PageRight  = temp;
+
+	temp       = PageLength - PageBottom;
+	PageBottom = PageLength - PageTop;
+	PageTop    = temp;
+        break;
+
+    case 3 : /* Reverse Landscape */
+	temp       = PageWidth - PageLeft;
+	PageLeft   = PageWidth - PageRight;
+	PageRight  = temp;
+
+	temp       = PageLength - PageBottom;
+	PageBottom = PageLength - PageTop;
+	PageTop    = temp;
+
+	temp       = PageLeft;
+	PageLeft   = PageBottom;
+	PageBottom = temp;
+
+	temp       = PageRight;
+	PageRight  = PageTop;
+	PageTop    = temp;
+
+	temp       = PageWidth;
+	PageWidth  = PageLength;
+	PageLength = temp;
+	break;
+  }
+}
+
+
+/*
+ * 'WriteLabelProlog()' - Write the prolog with the classification
+ *                        and page label.
+ */
+
+void
+WriteLabelProlog(const char *label,	/* I - Page label */
+		 float      bottom,	/* I - Bottom position in points */
+		 float      top,	/* I - Top position in points */
+		 float      width)	/* I - Width in points */
+{
+  const char	*classification;	/* CLASSIFICATION environment variable */
+
+
+ /*
+  * First get the current classification...
+  */
+
+  if ((classification = getenv("CLASSIFICATION")) == NULL)
+    classification = "";
+  if (strcmp(classification, "none") == 0)
+    classification = "";
+
+ /*
+  * If there is nothing to show, bind an empty 'write labels' procedure
+  * and return...
+  */
+
+  if (!classification[0] && (label == NULL || !label[0]))
+  {
+    puts("/espWL{}bind def");
+    return;
+  }
+
+ /*
+  * Set the classification + page label string...
+  */
+
+  if (strcmp(classification, "confidential") == 0)
+    printf("/espPL(CONFIDENTIAL");
+  else if (strcmp(classification, "classified") == 0)
+    printf("/espPL(CLASSIFIED");
+  else if (strcmp(classification, "secret") == 0)
+    printf("/espPL(SECRET");
+  else if (strcmp(classification, "topsecret") == 0)
+    printf("/espPL(TOP SECRET");
+  else if (strcmp(classification, "unclassified") == 0)
+    printf("/espPL(UNCLASSIFIED");
+  else
+    printf("/espPL(");
+
+  if (classification[0] && label)
+    printf(" - %s)def\n", label);
+  else if (label)
+    printf("%s)def\n", label);
+  else
+    puts(")def");
+
+ /*
+  * Then get a 14 point Helvetica-Bold font...
+  */
+
+  puts("/espPF /Helvetica-Bold findfont 14 scalefont def");
+
+ /*
+  * Finally, the procedure to write the labels on the page...
+  */
+
+  puts("/espWL{");
+  puts("  espPF setfont");
+  printf("  espPL stringwidth pop dup 12 add exch  -0.5 mul %.0f add\n",
+         width * 0.5f);
+  puts("  1 setgray");
+  printf("  dup 6 sub %.0f 3 index 20 rectfill\n", bottom - 2.0);
+  printf("  dup 6 sub %.0f 3 index 20 rectfill\n", top - 18.0);
+  puts("  0 setgray");
+  printf("  dup 6 sub %.0f 3 index 20 rectstroke\n", bottom - 2.0);
+  printf("  dup 6 sub %.0f 3 index 20 rectstroke\n", top - 18.0);
+  printf("  dup %.0f moveto espPL show\n", bottom + 2.0);
+  printf("  %.0f moveto espPL show\n", top - 14.0);
+  puts("pop");
+  puts("}bind def");
+}
+
+
+/*
+ * 'WriteLabels()' - Write the actual page labels.
+ */
+
+void
+WriteLabels(int orient)	/* I - Orientation of the page */
+{
+  float	width,		/* Width of page */
+	length;		/* Length of page */
+
+
+  puts("gsave");
+
+  if ((orient ^ Orientation) & 1)
+  {
+    width  = PageLength;
+    length = PageWidth;
+  }
+  else
+  {
+    width  = PageWidth;
+    length = PageLength;
+  }
+
+  switch (orient & 3)
+  {
+    case 1 : /* Landscape */
+        printf("%.1f 0.0 translate 90 rotate\n", length);
+        break;
+    case 2 : /* Reverse Portrait */
+        printf("%.1f %.1f translate 180 rotate\n", width, length);
+        break;
+    case 3 : /* Reverse Landscape */
+        printf("0.0 %.1f translate -90 rotate\n", width);
+        break;
+  }
+
+  puts("espWL");
+  puts("grestore");
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/common.h b/filter/common.h
new file mode 100644
index 000000000..552fefea9
--- /dev/null
+++ b/filter/common.h
@@ -0,0 +1,71 @@
+/*
+ * "$Id$"
+ *
+ *   Common filter definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <time.h>
+
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/string.h>
+
+
+/*
+ * Globals...
+ */
+
+extern int	Orientation,	/* 0 = portrait, 1 = landscape, etc. */
+		Duplex,		/* Duplexed? */
+		LanguageLevel,	/* Language level of printer */
+		ColorDevice;	/* Do color text? */
+extern float	PageLeft,	/* Left margin */
+		PageRight,	/* Right margin */
+		PageBottom,	/* Bottom margin */
+		PageTop,	/* Top margin */
+		PageWidth,	/* Total page width */
+		PageLength;	/* Total page length */
+
+
+/*
+ * Prototypes...
+ */
+
+extern ppd_file_t *SetCommonOptions(int num_options, cups_option_t *options,
+		                    int change_size);
+extern void	UpdatePageVars(void);
+extern void	WriteLabelProlog(const char *label, float bottom,
+		                 float top, float width);
+extern void	WriteLabels(int orient);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/form-main.c b/filter/form-main.c
new file mode 100644
index 000000000..f0db7733e
--- /dev/null
+++ b/filter/form-main.c
@@ -0,0 +1,60 @@
+/*
+ * "$Id$"
+ *
+ *   CUPS form main entry for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Load the specified form file and output PostScript.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "form.h"
+
+
+/*
+ * Globals...
+ */
+
+int		NumOptions;	/* Number of command-line options */
+cups_option_t	*Options;	/* Command-line options */
+ppd_file_t	*PPD;		/* PPD file */
+
+
+/*
+ * 'main()' - Load the specified form file and output PostScript.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/form-ps.c b/filter/form-ps.c
new file mode 100644
index 000000000..770582e2b
--- /dev/null
+++ b/filter/form-ps.c
@@ -0,0 +1,47 @@
+/*
+ * "$Id$"
+ *
+ *   CUPS form PostScript routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "form.h"
+
+
+/*
+ * 'formWrite()' - Write PostScript output for the given form document.
+ */
+
+void
+formWrite(tree_t *t)			/* I - Document tree to write */
+{
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/form-tree.c b/filter/form-tree.c
new file mode 100644
index 000000000..86ba9c068
--- /dev/null
+++ b/filter/form-tree.c
@@ -0,0 +1,622 @@
+/*
+ * "$Id$"
+ *
+ *   CUPS form document tree routines for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "form.h"
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare_attr(attr_t *a0, attr_t *a1);
+static int	compare_elements(char **e0, char **e1);
+static int	parse_attr(tree_t *t, FILE *fp);
+static int	parse_element(tree_t *t, FILE *fp);
+
+
+/*
+ * Local globals...
+ */
+
+static char	*elements[] =
+		{
+		  "",
+		  "!--",
+		  "ARC",
+		  "BOX",
+		  "BR",
+		  "B",
+		  "CUPSFORM",
+		  "DEFVAR",
+		  "FONT",
+		  "H1",
+		  "H2",
+		  "H3",
+		  "H4",
+		  "H5",
+		  "H6",
+		  "HEAD",
+		  "IMG",
+		  "I",
+		  "LINE",
+		  "PAGE",
+		  "PIE",
+		  "POLY",
+		  "PRE",
+		  "P",
+		  "RECT",
+		  "TEXT",
+		  "TT",
+		  "VAR"
+		};
+
+
+/*
+ * 'formDelete()' - Delete a node and its children.
+ */
+
+void
+formDelete(tree_t *t)			/* I - Tree node */
+{
+}
+
+
+/*
+ * 'formGetAttr()' - Get a node attribute value.
+ */
+
+char *					/* O - Value or NULL */
+formGetAttr(tree_t     *t,		/* I - Tree node */
+            const char *name)		/* I - Name of attribute */
+{
+}
+
+
+/*
+ * 'formNew()' - Create a new form node.
+ */
+
+tree_t *				/* O - New tree node */
+formNew(tree_t    *p)			/* I - Parent node */
+{
+  tree_t	*t;			/* New tree node */
+
+
+ /*
+  * Allocate the new node...
+  */
+
+  if ((t = (tree_t *)calloc(sizeof(tree_t), 1)) == NULL)
+    return (NULL);
+
+ /*
+  * Set/copy attributes...
+  */
+
+  if (p == NULL)
+  {
+    t->bg[0]    = 1.0;
+    t->bg[1]    = 1.0;
+    t->bg[2]    = 1.0;
+    t->halign   = HALIGN_LEFT;
+    t->valign   = VALIGN_MIDDLE;
+    t->typeface = "Courier";
+    t->size     = 12.0;
+  }
+  else
+  {
+    memcpy(t, p, sizeof(tree_t));
+
+    t->prev       = NULL;
+    t->next       = NULL;
+    t->child      = NULL;
+    t->last_child = NULL;
+    t->parent     = NULL;
+    t->num_attrs  = 0;
+    t->attrs      = NULL;
+    t->data       = NULL;
+  }
+
+ /*
+  * Return the new node...
+  */
+
+  return (t);
+}
+
+
+/*
+ * 'formRead()' - Read a form tree from a file.
+ */
+
+tree_t *				/* O - New form tree */
+formRead(FILE   *fp,			/* I - File to read from */
+         tree_t *p)			/* I - Parent node */
+{
+  int		ch,			/* Character from file */
+		closech,		/* Closing character */
+		have_whitespace;	/* Leading whitespace? */
+  static char	s[10240];		/* String from file */
+  uchar		*ptr,			/* Pointer in string */
+		glyph[16],		/* Glyph name (&#nnn;) */
+		*glyphptr;		/* Pointer in glyph string */
+  tree_t	*tree,			/* "top" of this tree */
+		*t,			/* New tree node */
+		*prev,			/* Previous tree node */
+		*temp;			/* Temporary looping var */
+  uchar		*face,			/* Typeface for FONT tag */
+		*color,			/* Color for FONT tag */
+		*size;			/* Size for FONT tag */
+
+
+ /*
+  * Start off with no previous tree node...
+  */
+
+  prev = NULL;
+  tree = NULL;
+
+ /*
+  * Parse data until we hit end-of-file...
+  */
+
+  while ((ch = getc(fp)) != EOF)
+  {
+   /*
+    * Ignore leading whitespace...
+    */
+
+    have_whitespace = 0;
+    closech         = '/';
+
+    if (p == NULL || !p->preformatted)
+    {
+      while (isspace(ch))
+      {
+        have_whitespace = 1;
+        ch              = getc(fp);
+      }
+
+      if (ch == EOF)
+        break;
+    }
+
+   /*
+    * Allocate a new tree node - use calloc() to get zeroed data...
+    */
+
+    t = formNew(p);
+
+   /*
+    * See what the character was...
+    */
+
+    if (ch == '<')
+    {
+     /*
+      * Markup char; grab the next char to see if this is a /...
+      */
+
+      ch = getc(fp);
+      if (ch == ' ')
+      {
+       /*
+        * Illegal lone "<"!  Ignore it...
+	*/
+
+	free(t);
+	continue;
+      }
+      
+      if (ch != '/')
+        ungetc(ch, fp);
+
+      if (parse_element(t, fp) < 0)
+      {
+        free(t);
+        break;
+      }
+
+      if ((closech = getc(fp)) == '/')
+        getc(fp);
+
+     /*
+      * If this is the matching close mark, or if we are starting the same
+      * element, or if we've completed a list, we're done!
+      */
+
+      if (ch == '/')
+      {
+       /*
+        * Close element; find matching element...
+        */
+
+        for (temp = p; temp != NULL; temp = temp->p)
+          if (temp->element == t->element)
+            break;
+
+        free(t);
+
+	if (temp != NULL)
+          break;
+	else
+	  continue;
+      }
+    }
+    else if (t->preformatted)
+    {
+     /*
+      * Read a pre-formatted string into the current tree node...
+      */
+
+      ptr = s;
+      while (ch != '<' && ch != EOF && ptr < (s + sizeof(s) - 1))
+      {
+        if (ch == '&')
+        {
+          for (glyphptr = glyph;
+               (ch = getc(fp)) != EOF && (glyphptr - glyph) < 15;
+               glyphptr ++)
+            if (!isalnum(ch))
+              break;
+            else
+              *glyphptr = ch;
+
+          *glyphptr = '\0';
+	  if (atoi(glyph) > 0)
+	    ch = atoi(glyph);
+	  else if (strcmp(glyph, "lt") == 0)
+	    ch = '<';
+	  else if (strcmp(glyph, "gt") == 0)
+	    ch = '>';
+	  else if (strcmp(glyph, "quot") == 0)
+	    ch = '\'';
+	  else if (strcmp(glyph, "nbsp") == 0)
+	    ch = ' ';
+	  else
+	    ch = '&';
+        }
+
+        if (ch != 0)
+          *ptr++ = ch;
+
+        if (ch == '\n')
+          break;
+
+        ch = getc(fp);
+      }
+
+      *ptr = '\0';
+
+      if (ch == '<')
+        ungetc(ch, fp);
+
+      t->element = ELEMENT_FRAGMENT;
+      t->data    = strdup(s);
+    }
+    else
+    {
+     /*
+      * Read the next string fragment...
+      */
+
+      ptr = s;
+      if (have_whitespace)
+        *ptr++ = ' ';
+
+      while (!isspace(ch) && ch != '<' && ch != EOF && ptr < (s + sizeof(s) - 1))
+      {
+        if (ch == '&')
+        {
+          for (glyphptr = glyph;
+               (ch = getc(fp)) != EOF && (glyphptr - glyph) < 15;
+               glyphptr ++)
+            if (!isalnum(ch))
+              break;
+            else
+              *glyphptr = ch;
+
+          *glyphptr = '\0';
+	  if (atoi(glyph) > 0)
+	    ch = atoi(glyph);
+	  else if (strcmp(glyph, "lt") == 0)
+	    ch = '<';
+	  else if (strcmp(glyph, "gt") == 0)
+	    ch = '>';
+	  else if (strcmp(glyph, "quot") == 0)
+	    ch = '\'';
+	  else if (strcmp(glyph, "nbsp") == 0)
+	    ch = ' ';
+	  else
+	    ch = '&';
+        }
+
+        if (ch != 0)
+          *ptr++ = ch;
+
+        ch = getc(fp);
+      }
+
+      if (isspace(ch))
+        *ptr++ = ' ';
+
+      *ptr = '\0';
+
+      if (ch == '<')
+        ungetc(ch, fp);
+
+      t->element = ELEMENT_FRAGMENT;
+      t->data    = strdup(s);
+    }
+
+   /*
+    * If the p tree pointer is not NULL and this is the first
+    * entry we've read, set the child pointer...
+    */
+
+    if (p != NULL && prev == NULL)
+      p->child = t;
+
+    if (p != NULL)
+      p->last_child = t;
+
+   /*
+    * Do the prev/next links...
+    */
+
+    t->parent = p;
+    t->prev   = prev;
+    if (prev != NULL)
+      prev->next = t;
+    else
+      tree = t;
+
+    prev = t;
+
+   /*
+    * Do child stuff as needed...
+    */
+
+    if (closech == '>')
+      t->child = formRead(t, fp);
+  }  
+
+  return (tree);
+}
+
+
+/*
+ * 'formSetAttr()' - Set a node attribute.
+ */
+
+void
+formSetAttr(tree_t     *t,		/* I - Tree node */
+            const char *name,		/* I - Attribute name */
+	    const char *value)		/* I - Attribute value */
+{
+}
+
+
+/*
+ * 'compare_attr()' - Compare two attributes.
+ */
+
+static int				/* O - -1 if a0 < a1, etc. */
+compare_attr(attr_t *a0,		/* I - First attribute */
+             attr_t *a1)		/* I - Second attribute */
+{
+  return (strcasecmp(a0->name, a1->name));
+}
+
+
+/*
+ * 'compare_elements()' - Compare two elements.
+ */
+
+static int				/* O - -1 if e0 < e1, etc. */
+compare_elements(char **e0,		/* I - First element */
+                 char **e1)		/* I - Second element */
+{
+  return (strcasecmp(*e0, *e1));
+}
+
+
+/*
+ * 'parse_attr()' - Parse an element attribute string.
+ */
+
+static int				/* O - -1 on error, 0 on success */
+parse_attr(tree_t *t,			/* I - Current tree node */
+           FILE   *fp)			/* I - Input file */
+{
+  char	name[1024],			/* Name of attr */
+	value[10240],			/* Value of attr */
+	*ptr;				/* Temporary pointer */
+  int	ch;				/* Character from file */
+
+
+  ptr = name;
+  while ((ch = getc(fp)) != EOF)
+    if (isalnum(ch))
+    {
+      if (ptr < (name + sizeof(name) - 1))
+        *ptr++ = ch;
+    }
+    else
+      break;
+
+  *ptr = '\0';
+
+  while (isspace(ch) || ch == '\r')
+    ch = getc(fp);
+
+  switch (ch)
+  {
+    default :
+        ungetc(ch, fp);
+        return (formSetAttr(t, name, NULL));
+    case EOF :
+        return (-1);
+    case '=' :
+        ptr = value;
+        ch  = getc(fp);
+
+        while (isspace(ch) || ch == '\r')
+          ch = getc(fp);
+
+        if (ch == EOF)
+          return (-1);
+
+        if (ch == '\'')
+        {
+          while ((ch = getc(fp)) != EOF)
+            if (ch == '\'')
+              break;
+            else if (ptr < (value + sizeof(value) - 1))
+              *ptr++ = ch;
+
+          *ptr = '\0';
+        }
+        else if (ch == '\"')
+        {
+          while ((ch = getc(fp)) != EOF)
+            if (ch == '\"')
+              break;
+            else if (ptr < (value + sizeof(value) - 1))
+              *ptr++ = ch;
+
+          *ptr = '\0';
+        }
+        else
+        {
+          *ptr++ = ch;
+          while ((ch = getc(fp)) != EOF)
+            if (isspace(ch) || ch == '>' || ch == '/' || ch == '\r')
+              break;
+            else if (ptr < (value + sizeof(value) - 1))
+              *ptr++ = ch;
+
+          *ptr = '\0';
+          if (ch == '>' || ch == '/')
+            ungetc(ch, fp);
+        }
+
+        return (formSetAttr(t, name, value));
+  }
+}
+
+
+/*
+ * 'parse_element()' - Parse an element.
+ */
+
+static int				/* O - -1 on error or ELEMENT_nnnn */
+parse_element(tree_t *t,		/* I - Current tree node */
+              FILE   *fp)		/* I - Input file */
+{
+  int	ch;				/* Character from file */
+  char	element[255],			/* Element string... */
+	*eptr,				/* Current character... */
+	comment[10240],			/* Comment string */
+	*cptr,				/* Current char... */
+	**temp;				/* Element variable entry */
+
+
+  eptr = element;
+
+  while ((ch = getc(fp)) != EOF && eptr < (element + sizeof(element) - 1))
+    if (ch == '>' || ch == '/' || isspace(ch))
+      break;
+    else
+      *eptr++ = ch;
+
+  *eptr = '\0';
+
+  if (ch == EOF)
+    return (ELEMENT_ERROR);
+
+  eptr = element;
+  temp = bsearch(&mptr, elements, sizeof(elements) / sizeof(elements[0]),
+                 sizeof(elements[0]),
+                 (int (*)(const void *, const void *))compare_elements);
+
+  if (temp == NULL)
+  {
+   /*
+    * Unrecognized element stuff...
+    */
+
+    t->element = ELEMENT_COMMENT;
+    strcpy(comment, element);
+    cptr = comment + strlen(comment);
+  }
+  else
+  {
+    t->element = (element_t)((char **)temp - elements);
+    cptr       = comment;
+  }
+
+  if (t->element == ELEMENT_COMMENT)
+  {
+    while (ch != EOF && ch != '>' && cptr < (comment + sizeof(comment) - 1))
+    {
+      *cptr++ = ch;
+      ch = getc(fp);
+    }
+
+    *cptr   = '\0';
+    t->data = strdup(comment);
+  }
+  else
+  {
+    while (ch != EOF && ch != '>' && ch != '/')
+    {
+      if (!isspace(ch))
+      {
+        ungetc(ch, fp);
+        parse_variable(t, fp);
+      }
+
+      ch = getc(fp);
+    }
+
+    if (ch != EOF)
+      ungetc(ch, fp);
+  }
+
+  return (t->element);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/form.h b/filter/form.h
new file mode 100644
index 000000000..c9207159a
--- /dev/null
+++ b/filter/form.h
@@ -0,0 +1,175 @@
+/*
+ * "$Id$"
+ *
+ *   CUPS form header file for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+
+
+/*
+ * Form elements...
+ */
+
+typedef enum
+{
+  ELEMENT_FILE = -1,		/* Pseudo element, not in file, but above */
+  ELEMENT_FRAGMENT,	/* Text fragment */
+  ELEMENT_COMMENT,	/* <!-- .... --> */
+  ELEMENT_ARC,
+  ELEMENT_BOX,
+  ELEMENT_BR,
+  ELEMENT_B,
+  ELEMENT_CUPSFORM,
+  ELEMENT_DEFVAR,
+  ELEMENT_FONT,
+  ELEMENT_H1,
+  ELEMENT_H2,
+  ELEMENT_H3,
+  ELEMENT_H4,
+  ELEMENT_H5,
+  ELEMENT_H6,
+  ELEMENT_HEAD,
+  ELEMENT_IMG,
+  ELEMENT_I,
+  ELEMENT_LINE,
+  ELEMENT_PAGE,
+  ELEMENT_PIE,
+  ELEMENT_POLY,
+  ELEMENT_PRE,
+  ELEMENT_P,
+  ELEMENT_RECT,
+  ELEMENT_TEXT,
+  ELEMENT_TT,
+  ELEMENT_VAR
+} element_t;
+
+
+/*
+ * Font styles...
+ */
+
+typedef enum
+{
+  STYLE_NORMAL,
+  STYLE_BOLD,
+  STYLE_ITALIC,
+  STYLE_BOLD_ITALIC
+} style_t;
+
+
+/*
+ * Text alignments...
+ */
+
+typedef enum
+{
+  HALIGN_LEFT,
+  HALIGN_CENTER,
+  HALIGN_RIGHT
+} halign_t;
+
+typedef enum
+{
+  VALIGN_BOTTOM,
+  VALIGN_CENTER,
+  VALIGN_TOP
+} valign_t;
+
+
+/*
+ * Text directions...
+ */
+
+typedef enun
+{
+  DIR_LEFT_TO_RIGHT,
+  DIR_RIGHT_TO_LEFT
+} dir_t;
+
+
+/*
+ * Attribute structure...
+ */
+
+typedef struct
+{
+  char			*name,		/* Name of attribute */
+			*value;		/* Value of attribute */
+} attr_t;
+
+
+/*
+ * Form document tree structure...
+ */
+
+typedef struct tree_str
+{
+  struct tree_str	*prev,		/* Previous tree node */
+			*next,		/* Next tree node */
+			*parent,	/* Parent tree node */
+			*child,		/* First child node */
+			*last_child;	/* Last child node */
+  element_t		element;	/* Element type */
+  float			x, y, w, h;	/* Position and size in points */
+  float			bg[3], fg[3];	/* Colors of element */
+  float			thickness;	/* Thickness of lines */
+  int			preformatted;	/* Preformatted text? */
+  float			size;		/* Height of text in points */
+  char			*typeface;	/* Typeface of text */
+  style_t		style;		/* Style of text */
+  halign_t		halign;		/* Horizontal alignment */
+  valign_t		valign;		/* Vertical alignment */
+  dir_t			dir;		/* Direction of text */
+  int			num_attrs;	/* Number of attributes */
+  attr_t		*attrs;		/* Attributes */
+  void			*data;		/* Text fragment data */
+} tree_t;
+
+
+/*
+ * Globals...
+ */
+
+extern int		NumOptions;	/* Number of command-line options */
+extern cups_option_t	*Options;	/* Command-line options */
+extern ppd_file_t	*PPD;		/* PPD file */
+
+
+/*
+ * Prototypes...
+ */
+
+extern void	formDelete(tree_t *t);
+extern char	*formGetAttr(tree_t *t, const char *name);
+extern tree_t	*formNew(tree_t *p);
+extern tree_t	*formRead(FILE *fp, tree_t *p);
+extern void	formSetAttr(tree_t *t, const char *name, const char *value);
+extern void	formWrite(tree_t *p);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-attr.c b/filter/hpgl-attr.c
new file mode 100644
index 000000000..0653ba6cb
--- /dev/null
+++ b/filter/hpgl-attr.c
@@ -0,0 +1,452 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 attribute processing for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   CR_color_range()     - Set the range for color values.
+ *   AC_anchor_corner()   - Set the anchor corner.
+ *   FT_fill_type()       - Set the fill type or pattern.
+ *   LA_line_attributes() - Set the line drawing attributes.
+ *   LT_line_type()       - Set the line type (style)...
+ *   NP_number_pens()     - Set the number of pens to be used.
+ *   PC_pen_color()       - Set the pen color...
+ *   PW_pen_width()       - Set the pen width.
+ *   RF_raster_fill()     - Set the raster fill pattern.
+ *   SM_symbol_mode()     - Set where symbols are drawn.
+ *   SP_select_pen()      - Select a pen for drawing.
+ *   UL_user_line_type()  - Set a user-defined line type.
+ *   WU_width_units()     - Set the units used for pen widths.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+
+
+/*
+ * 'CR_color_range()' - Set the range for color values.
+ */
+
+void
+CR_color_range(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+  {
+   /*
+    * Default to 0 to 255 for all color values.
+    */
+
+    ColorRange[0][0] = 0.0;
+    ColorRange[0][1] = 255.0;
+    ColorRange[1][0] = 0.0;
+    ColorRange[1][1] = 255.0;
+    ColorRange[2][0] = 0.0;
+    ColorRange[2][1] = 255.0;
+  }
+  else if (num_params == 6)
+  {
+   /*
+    * Set the range based on the parameters...
+    */
+
+    ColorRange[0][0] = params[0].value.number;
+    ColorRange[0][1] = params[1].value.number - params[0].value.number;
+    ColorRange[1][0] = params[2].value.number;
+    ColorRange[1][1] = params[3].value.number - params[2].value.number;
+    ColorRange[2][0] = params[4].value.number;
+    ColorRange[2][1] = params[5].value.number - params[4].value.number;
+  }
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'CR\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * 'AC_anchor_corner()' - Set the anchor corner.
+ */
+
+void
+AC_anchor_corner(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'FT_fill_type()' - Set the fill type or pattern.
+ *
+ * Note:
+ *
+ *   This needs to be updated to support non-solid fill.
+ */
+
+void
+FT_fill_type(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0 ||
+      params[0].value.number == 1 ||
+      params[0].value.number == 2)
+  {
+    /**** SOLID PATTERN ****/
+  }
+}
+
+
+/*
+ * 'LA_line_attributes()' - Set the line drawing attributes.
+ */
+
+void
+LA_line_attributes(int     num_params,	/* I - Number of parameters */
+                   param_t *params)	/* I - Parameters */
+{
+  int	i;				/* Looping var */
+
+
+  if (num_params == 0)
+  {
+    MiterLimit = 3.0f;
+    LineCap    = 0;
+    LineJoin   = 0;
+  }
+  else for (i = 0; i < (num_params - 1); i += 2)
+    switch ((int)params[i].value.number)
+    {
+      case 1 :
+          LineCap = params[i + 1].value.number == 1 ? 0 :
+                    params[i + 1].value.number == 4 ? 1 : 2;
+          break;
+      case 2 :
+          switch ((int)params[i + 1].value.number)
+          {
+            case 1 :
+            case 2 :
+            case 3 :
+                LineJoin = 0;
+                break;
+            case 5 :
+                LineJoin = 2;
+                break;
+            default :
+                LineJoin = 1;
+                break;
+          }
+          break;
+      case 3 :
+          MiterLimit = 1.0 + 0.5 * (params[i + 1].value.number - 1.0);
+          break;
+    }
+
+  if (PageDirty)
+  {
+    printf("%.1f setmiterlimit\n", MiterLimit);
+    printf("%d setlinecap\n", LineCap);
+    printf("%d setlinejoin\n", LineJoin);
+  }
+}
+
+
+/*
+ * 'LT_line_type()' - Set the line type (style)...
+ *
+ * Note:
+ *
+ *   This needs to be updated to support line types.
+ */
+
+void
+LT_line_type(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'NP_number_pens()' - Set the number of pens to be used.
+ */
+
+void
+NP_number_pens(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  int	i;				/* Looping var */
+
+
+  if (num_params == 0)
+    PenCount = 8;
+  else if (num_params == 1 && params[0].value.number <= 1024)
+    PenCount = (int)params[0].value.number;
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'NP\' command with invalid number of parameters (%d)!\n",
+            num_params);
+
+  for (i = 0; i <= PenCount; i ++)
+    Pens[i].width = PenWidth;
+
+  PC_pen_color(0, NULL);
+}
+
+
+/*
+ * 'PC_pen_color()' - Set the pen color...
+ */
+
+void
+PC_pen_color(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  int		i;			/* Looping var */
+  static float	standard_colors[8][3] =	/* Standard colors for first 8 pens */
+		{
+		  { 1.0, 1.0, 1.0 },	/* White */
+		  { 0.0, 0.0, 0.0 },	/* Black */
+		  { 1.0, 0.0, 0.0 },	/* Red */
+		  { 0.0, 1.0, 0.0 },	/* Green */
+		  { 1.0, 1.0, 0.0 },	/* Yellow */
+		  { 0.0, 0.0, 1.0 },	/* Blue */
+		  { 1.0, 0.0, 1.0 },	/* Magenta */
+		  { 0.0, 1.0, 1.0 }	/* Cyan */
+		};
+
+
+  if (num_params == 0)
+  {
+    for (i = 0; i <= PenCount; i ++)
+      if (i < 8)
+      {
+        Pens[i].rgb[0] = standard_colors[i][0];
+        Pens[i].rgb[1] = standard_colors[i][1];
+        Pens[i].rgb[2] = standard_colors[i][2];
+      }
+      else
+      {
+        Pens[i].rgb[0] = 0.0f;
+        Pens[i].rgb[1] = 0.0f;
+        Pens[i].rgb[2] = 0.0f;
+      }
+
+    if (PageDirty)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else if (num_params == 1 || num_params == 4)
+  {
+    i = (int)params[0].value.number;
+
+    if (num_params == 1)
+    {
+      Pens[i].rgb[0] = standard_colors[i & 7][0];
+      Pens[i].rgb[1] = standard_colors[i & 7][1];
+      Pens[i].rgb[2] = standard_colors[i & 7][2];
+    }
+    else
+    {
+      Pens[i].rgb[0] = (params[1].value.number - ColorRange[0][0]) /
+                       (ColorRange[0][1] - ColorRange[0][0]);
+      Pens[i].rgb[1] = (params[2].value.number - ColorRange[1][0]) /
+                       (ColorRange[1][1] - ColorRange[1][0]);
+      Pens[i].rgb[2] = (params[3].value.number - ColorRange[2][0]) /
+                       (ColorRange[2][1] - ColorRange[2][0]);
+
+      fprintf(stderr, "DEBUG: Pen %d %.0f %.0f %.0f = %.3f %.3f %.3f\n",
+	      i, params[1].value.number, params[2].value.number,
+	      params[3].value.number, Pens[i].rgb[0], Pens[i].rgb[1],
+	      Pens[i].rgb[2]);
+    }
+
+    if (PageDirty && i == PenNumber)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'PC\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * 'PW_pen_width()' - Set the pen width.
+ */
+
+void
+PW_pen_width(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  int	pen;				/* Pen number */
+  float	w;				/* Width value */
+
+
+  if (WidthUnits == 0)
+  {
+   /*
+    * Metric...
+    */
+
+    if (num_params == 0)
+      w = 0.35f / 25.4f * 72.0f;
+    else
+      w = params[0].value.number / 25.4f * 72.0f;
+  }
+  else
+  {
+   /*
+    * Relative...
+    */
+
+    w = (float)hypot(PlotSize[0], PlotSize[1]) / 1016.0f * 72.0f;
+
+    if (num_params == 0)
+      w *= 0.01f;
+    else
+      w *= params[0].value.number;
+  }
+
+  if (num_params == 2)
+  {
+    pen = (int)params[1].value.number;
+
+    Pens[pen].width = w;
+
+    if (PageDirty && pen == PenNumber)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else if (num_params < 2)
+  {
+   /*
+    * Set width for all pens...
+    */
+
+    for (pen = 0; pen <= PenCount; pen ++)
+      Pens[pen].width = w;
+
+    if (PageDirty)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'PW\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * 'RF_raster_fill()' - Set the raster fill pattern.
+ *
+ * Note:
+ *
+ *   This needs to be implemented.
+ */
+
+void
+RF_raster_fill(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SM_symbol_mode()' - Set where symbols are drawn.
+ */
+
+void
+SM_symbol_mode(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SP_select_pen()' - Select a pen for drawing.
+ */
+
+void
+SP_select_pen(int     num_params,	/* I - Number of parameters */
+              param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+    PenNumber = 1;
+  else if (params[0].value.number <= PenCount)
+    PenNumber = (int)params[0].value.number;
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'SP\' command with invalid number or value of parameters (%d, %d)!\n",
+            num_params, (int)params[0].value.number);
+
+  if (PageDirty)
+    printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	   Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	   Pens[PenNumber].width * PenScaling);
+}
+
+
+/*
+ * 'UL_user_line_type()' - Set a user-defined line type.
+ */
+
+void
+UL_user_line_type(int     num_params,	/* I - Number of parameters */
+                  param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'WU_width_units()' - Set the units used for pen widths.
+ */
+
+void
+WU_width_units(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+    WidthUnits = 0;
+  else if (num_params == 1)
+    WidthUnits = (int)params[0].value.number;
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'WU\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-char.c b/filter/hpgl-char.c
new file mode 100644
index 000000000..5227f7bf1
--- /dev/null
+++ b/filter/hpgl-char.c
@@ -0,0 +1,500 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 character processing for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AD_define_alternate()     - Define the alternate font.
+ *   CF_character_fill()       - Set whether or not to fill or outline
+ *                               characters.
+ *   CP_character_plot()       - Move the current pen position for the given
+ *                               number of columns and rows.
+ *   DI_absolute_direction()   - Set the direction vector for text.
+ *   DR_relative_direction()   - Set the relative direction vector for text.
+ *   DT_define_label_term()    - Set the label string terminator.
+ *   DV_define_variable_path() - Define a path for text.
+ *   ES_extra_space()          - Set extra spacing (kerning) between characters.
+ *   LB_label()                - Display a label string.
+ *   LO_label_origin()         - Set the label origin.
+ *   SA_select_alternate()     - Select the alternate font.
+ *   SD_define_standard()      - Define the standard font...
+ *   SI_absolute_size()        - Set the absolute size of text.
+ *   SL_character_slant()      - Set the slant of text.
+ *   SR_relative_size()        - Set the relative size of text.
+ *   SS_select_standard()      - Select the standard font for text.
+ *   TD_transparent_data()     - Send transparent print data.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+
+
+/*
+ * 'AD_define_alternate()' - Define the alternate font.
+ */
+
+void
+AD_define_alternate(int     num_params,	/* I - Number of parameters */
+                    param_t *params)	/* I - Parameters */
+{
+  int	i;				/* Looping var */
+
+
+ /*
+  * Set default font attributes...
+  */
+
+  AlternateFont.typeface = 48;
+  AlternateFont.posture  = 0;
+  AlternateFont.weight   = 0;
+  AlternateFont.height   = 11.5;
+
+ /*
+  * Loop through parameter value pairs...
+  */
+
+  for (i = 0; i < (num_params - 1); i += 2)
+    switch ((int)params[i].value.number)
+    {
+      case 4 :
+          AlternateFont.height = params[i + 1].value.number;
+          break;
+      case 5 :
+          AlternateFont.posture = (int)params[i + 1].value.number;
+          break;
+      case 6 :
+          AlternateFont.weight = (int)params[i + 1].value.number;
+          break;
+      case 7 :
+          AlternateFont.typeface = (int)params[i + 1].value.number;
+          break;
+    }
+
+ /*
+  * Define the font...
+  */
+
+  if (PageDirty)
+    printf("/SA {\n"
+           "	/%s%s%s%s findfont\n"
+	   "	[ %f %f %f %f 0.0 0.0 ] makefont\n"
+	   "	setfont\n"
+	   "} bind def\n",
+           AlternateFont.typeface == 48 ? "Courier" : "Helvetica",
+           (AlternateFont.weight != 0 || AlternateFont.posture != 0) ? "-" : "",
+           AlternateFont.weight != 0 ? "Bold" : "",
+           AlternateFont.posture != 0 ? "Oblique" : "",
+           AlternateFont.x * AlternateFont.height,
+	   -AlternateFont.y * AlternateFont.height,
+	   AlternateFont.y * AlternateFont.height,
+	   AlternateFont.x * AlternateFont.height);
+
+  CharHeight[1] = AlternateFont.height;
+}
+
+
+/*
+ * 'CF_character_fill()' - Set whether or not to fill or outline characters.
+ */
+
+void
+CF_character_fill(int     num_params,	/* I - Number of parameters */
+                  param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0)
+    CharFillMode = 0;
+  else
+    CharFillMode = (int)params[0].value.number;
+
+  if (num_params == 2)
+    CharPen = (int)params[1].value.number;
+}
+
+
+/*
+ * 'CP_character_plot()' - Move the current pen position for the given number
+ *                         of columns and rows.
+ */
+
+void
+CP_character_plot(int     num_params,
+                  param_t *params)
+{
+  if (num_params < 2)
+    return;
+
+  switch (Rotation)
+  {
+    case 0:
+	PenPosition[0] += params[0].value.number * 1.2f / CharHeight[CharFont];
+	PenPosition[1] += params[1].value.number * CharHeight[CharFont];
+	break;
+    case 90:
+	PenPosition[0] -= params[1].value.number * 1.2f / CharHeight[CharFont];
+	PenPosition[1] += params[0].value.number * CharHeight[CharFont];
+	break;
+    case 180:
+	PenPosition[0] -= params[0].value.number * 1.2f / CharHeight[CharFont];
+	PenPosition[1] -= params[1].value.number * CharHeight[CharFont];
+	break;
+    case 270:
+	PenPosition[0] += params[1].value.number * 1.2f / CharHeight[CharFont];
+	PenPosition[1] -= params[0].value.number * CharHeight[CharFont];
+	break;
+  }
+}
+
+
+/*
+ * 'DI_absolute_direction()' - Set the direction vector for text.
+ */
+
+void
+DI_absolute_direction(int     num_params,	/* I - Number of parameters */
+                      param_t *params)		/* I - Parameters */
+{
+  if (CharFont)
+  {
+    if (num_params == 2)
+    {
+      AlternateFont.x = params[0].value.number;
+      AlternateFont.y = params[1].value.number;
+    }
+
+    if (PageDirty)
+    {
+      printf("/SA {\n"
+             "	/%s%s%s%s findfont\n"
+	     "	[ %f %f %f %f 0.0 0.0 ] makefont\n"
+	     "	setfont\n"
+	     "} bind def\n",
+             AlternateFont.typeface == 48 ? "Courier" : "Helvetica",
+             (AlternateFont.weight != 0 || AlternateFont.posture != 0) ? "-" : "",
+             AlternateFont.weight != 0 ? "Bold" : "",
+             AlternateFont.posture != 0 ? "Oblique" : "",
+             AlternateFont.x * AlternateFont.height,
+	     -AlternateFont.y * AlternateFont.height,
+	     AlternateFont.y * AlternateFont.height,
+	     AlternateFont.x * AlternateFont.height);
+      puts("SA");
+    }
+  }
+  else
+  {
+    if (num_params == 2)
+    {
+      StandardFont.x = params[0].value.number;
+      StandardFont.y = params[1].value.number;
+    }
+
+    if (PageDirty)
+    {
+      printf("/SS {\n"
+             "	/%s%s%s%s findfont\n"
+	     "	[ %f %f %f %f 0.0 0.0 ] makefont\n"
+	     "	setfont\n"
+	     "} bind def\n",
+             StandardFont.typeface == 48 ? "Courier" : "Helvetica",
+             (StandardFont.weight != 0 || StandardFont.posture != 0) ? "-" : "",
+             StandardFont.weight != 0 ? "Bold" : "",
+             StandardFont.posture != 0 ? "Oblique" : "",
+             StandardFont.x * StandardFont.height,
+	     -StandardFont.y * StandardFont.height,
+	     StandardFont.y * StandardFont.height,
+	     StandardFont.x * StandardFont.height);
+      puts("SS");
+    }
+  }
+}
+
+
+/*
+ * 'DR_relative_direction()' - Set the relative direction vector for text.
+ */
+
+void
+DR_relative_direction(int     num_params,	/* I - Number of parameters */
+                      param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'DT_define_label_term()' - Set the label string terminator.
+ */
+
+void
+DT_define_label_term(int     num_params,	/* I - Number of parameters */
+                     param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+    StringTerminator = '\003';
+  else
+    StringTerminator = params[0].value.string[0];
+}
+
+
+/*
+ * 'DV_define_variable_path()' - Define a path for text.
+ */
+
+void
+DV_define_variable_path(int     num_params,	/* I - Number of parameters */
+                        param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'ES_extra_space()' - Set extra spacing (kerning) between characters.
+ */
+
+void
+ES_extra_space(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'LB_label()' - Display a label string.
+ */
+
+void
+LB_label(int     num_params,		/* I - Number of parameters */
+         param_t *params)		/* I - Parameters */
+{
+  char	*s;				/* Pointer into string */
+
+
+  if (num_params == 0)
+    return;
+
+  Outputf("gsave\n");
+  Outputf("currentmiterlimit 1.0 \n");
+  Outputf("MP\n");
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+  Outputf("(");
+  for (s = params[0].value.string; *s != '\0'; s ++)
+    if (strchr("()\\", *s) != NULL)
+      Outputf("\\%c", *s);
+    else
+      Outputf("%c", *s);
+  Outputf(") true charpath\n");
+
+  if (CharFillMode != 1)
+    Outputf("FI\n");
+  if (CharFillMode == 1 || CharFillMode == 3)
+  {
+    Outputf("%.3f %.3f %.3f %.2f SP ST\n", Pens[CharPen].rgb[0],
+	    Pens[CharPen].rgb[CharPen], Pens[CharPen].rgb[2],
+	    Pens[CharPen].width * PenScaling);
+    Outputf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	    Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	    Pens[PenNumber].width * PenScaling);
+  }
+
+  Outputf("setmiterlimit\n");
+  Outputf("grestore\n");
+}
+
+
+/*
+ * 'LO_label_origin()' - Set the label origin.
+ */
+
+void
+LO_label_origin(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SA_select_alternate()' - Select the alternate font.
+ */
+
+void
+SA_select_alternate(int     num_params,	/* I - Number of parameters */
+                    param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  if (PageDirty)
+    puts("SA");
+
+  CharFont = 1;
+}
+
+
+/*
+ * 'SD_define_standard()' - Define the standard font...
+ */
+ 
+void
+SD_define_standard(int     num_params,	/* I - Number of parameters */
+                   param_t *params)	/* I - Parameters */
+{
+  int	i;				/* Looping var */
+
+
+ /*
+  * Set default font attributes...
+  */
+
+  StandardFont.typeface = 48;
+  StandardFont.posture  = 0;
+  StandardFont.weight   = 0;
+  StandardFont.height   = 11.5;
+  StandardFont.x        = 1.0;
+  StandardFont.y        = 0.0;
+
+ /*
+  * Loop through parameter value pairs...
+  */
+
+  for (i = 0; i < (num_params - 1); i += 2)
+    switch ((int)params[i].value.number)
+    {
+      case 4 :
+          StandardFont.height = params[i + 1].value.number;
+          break;
+      case 5 :
+          StandardFont.posture = (int)params[i + 1].value.number;
+          break;
+      case 6 :
+          StandardFont.weight = (int)params[i + 1].value.number;
+          break;
+      case 7 :
+          StandardFont.typeface = (int)params[i + 1].value.number;
+          break;
+    }
+
+ /*
+  * Define the font...
+  */
+
+  if (PageDirty)
+    printf("/SS {\n"
+           "	/%s%s%s%s findfont\n"
+	   "	[ %f %f %f %f 0.0 0.0 ] makefont\n"
+	   "	setfont\n"
+	   "} bind def\n",
+           StandardFont.typeface == 48 ? "Courier" : "Helvetica",
+           (StandardFont.weight != 0 || StandardFont.posture != 0) ? "-" : "",
+           StandardFont.weight != 0 ? "Bold" : "",
+           StandardFont.posture != 0 ? "Oblique" : "",
+           StandardFont.x * StandardFont.height,
+	   -StandardFont.y * StandardFont.height,
+	   StandardFont.y * StandardFont.height,
+	   StandardFont.x * StandardFont.height);
+
+  CharHeight[0] = StandardFont.height;
+}
+
+
+/*
+ * 'SI_absolute_size()' - Set the absolute size of text.
+ */
+
+void
+SI_absolute_size(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SL_character_slant()' - Set the slant of text.
+ */
+
+void
+SL_character_slant(int     num_params,	/* I - Number of parameters */
+                   param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SR_relative_size()' - Set the relative size of text.
+ */
+
+void
+SR_relative_size(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SS_select_standard()' - Select the standard font for text.
+ */
+
+void
+SS_select_standard(int     num_params,	/* I - Number of parameters */
+                   param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  if (PageDirty)
+    puts("SS");
+
+  CharFont = 0;
+}
+
+
+/*
+ * 'TD_transparent_data()' - Send transparent print data.
+ */
+
+void
+TD_transparent_data(int     num_params,	/* I - Number of parameters */
+                    param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-config.c b/filter/hpgl-config.c
new file mode 100644
index 000000000..bdb1c1082
--- /dev/null
+++ b/filter/hpgl-config.c
@@ -0,0 +1,641 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 configuration routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   update_transform()  - Update the page transformation matrix as needed.
+ *   BP_begin_plot()     - Start a plot...
+ *   DF_default_values() - Set all state info to the default values.
+ *   IN_initialize()     - Initialize the plotter.
+ *   IP_input_absolute() - Set P1 and P2 values for the plot.
+ *   IR_input_relative() - Update P1 and P2.
+ *   IW_input_window()   - Setup an input window.
+ *   PG_advance_page()   - Eject the current page.
+ *   PS_plot_size()      - Set the plot size.
+ *   RO_rotate()         - Rotate the plot.
+ *   RP_replot()         - Replot the current page.
+ *   SC_scale()          - Set user-defined scaling.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+
+#define max(a,b) ((a) < (b) ? (b) : (a))
+
+
+/*
+ * 'update_transform()' - Update the page transformation matrix as needed.
+ */
+
+void
+update_transform(void)
+{
+  float	page_width,	/* Actual page width */
+	page_height;	/* Actual page height */
+  float	scaling;	/* Scaling factor */
+  float	left, right,	/* Scaling window */
+	bottom, top;
+  float	width, height;	/* Scaling width and height */
+  float	iw1[2], iw2[2];	/* Clipping window */
+
+
+ /*
+  * Get the page and input window sizes...
+  */
+
+  if (FitPlot)
+  {
+    page_width  = PageRight - PageLeft;
+    page_height = PageTop - PageBottom;
+  }
+  else
+  {
+    page_width  = (P2[0] - P1[0]) * 72.0f / 1016.0f;
+    page_height = (P2[1] - P1[1]) * 72.0f / 1016.0f;
+  }
+
+  fprintf(stderr, "DEBUG: page_width = %.0f, page_height = %.0f\n",
+          page_width, page_height);
+
+  if (page_width == 0 || page_height == 0)
+    return;
+
+ /*
+  * Set the scaling window...
+  */
+
+  switch (ScalingType)
+  {
+    default : /* No user scaling */
+        left   = P1[0];
+	bottom = P1[1];
+	right  = P2[0];
+	top    = P2[1];
+        break;
+
+    case 0 : /* Anisotropic (non-uniform) scaling */
+        left   = Scaling1[0];
+	bottom = Scaling1[1];
+	right  = Scaling2[0];
+	top    = Scaling2[1];
+        break;
+
+    case 1 : /* Isotropic (uniform) scaling */
+        left   = Scaling1[0];
+	bottom = Scaling1[1];
+	right  = Scaling2[0];
+	top    = Scaling2[1];
+
+	width  = right - left;
+	height = top - bottom;
+        
+	if (width == 0 || height == 0)
+	  return;
+
+        if ((width * page_height) != (height * page_width))
+	{
+	  scaling = height * page_width / page_height;
+	  if (width < scaling)
+	  {
+	    width = scaling;
+	    left  = 0.5f * (left + right - width);
+	    right = left + width;
+	  }
+	  else
+	  {
+	    height = width * page_height / page_width;
+	    bottom = 0.5f * (bottom + top - height);
+	    top    = bottom + height;
+	  }
+	}
+        break;
+
+    case 2 :
+        left   = Scaling1[0];
+	bottom = Scaling1[1];
+	right  = left + page_width * Scaling2[0] * 1016.0f / 72.0f;
+	top    = bottom + page_height * Scaling2[1] * 1016.0f / 72.0f;
+        break;
+  }
+
+  width  = right - left;
+  height = top - bottom;
+
+  if (width == 0 || height == 0)
+    return;
+
+ /*
+  * Scale the plot as needed...
+  */
+
+  if (Rotation == 0 || Rotation == 180)
+    scaling = page_width / width;
+  else
+    scaling = page_width / height;
+
+  if (FitPlot)
+    scaling *= max(page_width, page_height) / max(PlotSize[1], PlotSize[0]);
+
+ /*
+  * Offset for the current P1 location...
+  */
+
+  if (FitPlot)
+  {
+    left   = 0;
+    bottom = 0;
+  }
+  else
+  {
+    left   = P1[0] * 72.0f / 1016.0f;
+    bottom = P1[1] * 72.0f / 1016.0f;
+  }
+
+ /*
+  * Generate a new transformation matrix...
+  */
+
+  switch (Rotation)
+  {
+    case 0 :
+	Transform[0][0] = scaling;
+	Transform[0][1] = 0.0;
+	Transform[0][2] = -left;
+	Transform[1][0] = 0.0;
+	Transform[1][1] = scaling;
+	Transform[1][2] = -bottom;
+	break;
+
+    case 90 :
+	Transform[0][0] = 0.0;
+	Transform[0][1] = -scaling;
+	Transform[0][2] = PageLength - left;
+	Transform[1][0] = scaling;
+	Transform[1][1] = 0.0;
+	Transform[1][2] = -bottom;
+	break;
+
+    case 180 :
+	Transform[0][0] = -scaling;
+	Transform[0][1] = 0.0;
+	Transform[0][2] = PageLength - left;
+	Transform[1][0] = 0.0;
+	Transform[1][1] = -scaling;
+	Transform[1][2] = PageWidth - bottom;
+	break;
+
+    case 270 :
+	Transform[0][0] = 0.0;
+	Transform[0][1] = scaling;
+	Transform[0][2] = -left;
+	Transform[1][0] = -scaling;
+	Transform[1][1] = 0.0;
+	Transform[1][2] = PageWidth - bottom;
+	break;
+  }
+
+  fprintf(stderr, "DEBUG: Transform = [ %.3f %.3f\n"
+                  "DEBUG:               %.3f %.3f\n"
+                  "DEBUG:               %.3f %.3f ]\n",
+          Transform[0][0], Transform[1][0], Transform[0][1],
+	  Transform[1][1], Transform[0][2], Transform[1][2]);
+
+  if (FitPlot)
+  {
+    if (Rotation == 0 || Rotation == 180)
+      PenScaling = page_width / PlotSize[1];
+    else
+      PenScaling = page_width / PlotSize[0];
+  }
+  else
+    PenScaling = 1.0;
+
+  if (PenScaling < 0.0)
+    PenScaling = -PenScaling;
+
+  if (PageDirty)
+  {
+    printf("%.2f setlinewidth\n", Pens[PenNumber].width * PenScaling);
+
+    if (IW1[0] != IW2[0] && IW1[1] != IW2[1])
+    {
+      iw1[0] = IW1[0] * 72.0f / 1016.0f;
+      iw1[1] = IW1[1] * 72.0f / 1016.0f;
+      iw2[0] = IW2[0] * 72.0f / 1016.0f;
+      iw2[1] = IW2[1] * 72.0f / 1016.0f;
+
+      printf("initclip MP %.3f %.3f MO %.3f %.3f LI %.3f %.3f LI %.3f %.3f LI CP clip\n",
+	     iw1[0], iw1[1], iw1[0], iw2[1], iw2[0], iw2[1], iw2[0], iw1[1]);
+    }
+  }
+}
+
+
+/*
+ * 'BP_begin_plot()' - Start a plot...
+ */
+
+void
+BP_begin_plot(int     num_params,	/* I - Number of parameters */
+              param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'DF_default_values()' - Set all state info to the default values.
+ */
+
+void
+DF_default_values(int     num_params,	/* I - Number of parameters */
+                  param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  AC_anchor_corner(0, NULL);
+  AD_define_alternate(0, NULL);
+  SD_define_standard(0, NULL);
+  CF_character_fill(0, NULL);
+  DI_absolute_direction(0, NULL);
+  DT_define_label_term(0, NULL);
+  DV_define_variable_path(0, NULL);
+  ES_extra_space(0, NULL);
+  FT_fill_type(0, NULL);
+  IW_input_window(0, NULL);
+  LA_line_attributes(0, NULL);
+  LO_label_origin(0, NULL);
+  LT_line_type(0, NULL);
+  PA_plot_absolute(0, NULL);
+  PolygonMode = 0;
+  RF_raster_fill(0, NULL);
+  SC_scale(0, NULL);
+  SM_symbol_mode(0, NULL);
+  SS_select_standard(0, NULL);
+  TD_transparent_data(0, NULL);
+  UL_user_line_type(0, NULL);
+}
+
+
+/*
+ * 'IN_initialize()' - Initialize the plotter.
+ */
+
+void
+IN_initialize(int     num_params,	/* I - Number of parameters */
+              param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  DF_default_values(0, NULL);
+  PU_pen_up(0, NULL);
+  RO_rotate(0, NULL);
+  PS_plot_size(0, NULL);
+  WU_width_units(0, NULL);
+  PW_pen_width(0, NULL);
+
+  PenWidth = 1;
+
+  PenPosition[0] = PenPosition[1] = 0.0;
+}
+
+
+/*
+ * 'IP_input_absolute()' - Set P1 and P2 values for the plot.
+ */
+
+void
+IP_input_absolute(int     num_params,	/* I - Number of parameters */
+                  param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0)
+  {
+    P1[0] = PageLeft / 72.0f * 1016.0f;
+    P1[1] = PageBottom / 72.0f * 1016.0f;
+    P2[0] = PageRight / 72.0f * 1016.0f;
+    P2[1] = PageTop / 72.0f * 1016.0f;
+  }
+  else if (num_params == 2)
+  {
+    P2[0] -= P1[0];
+    P2[1] -= P1[1];
+    P1[0] = params[0].value.number;
+    P1[1] = params[1].value.number;
+    P2[0] += P1[0];
+    P2[1] += P1[1];
+  }
+  else if (num_params == 4)
+  {
+    P1[0] = params[0].value.number;
+    P1[1] = params[1].value.number;
+    P2[0] = params[2].value.number;
+    P2[1] = params[3].value.number;
+  }
+
+  IW1[0] = 0.0;
+  IW1[1] = 0.0;
+  IW2[0] = 0.0;
+  IW2[1] = 0.0;
+
+  if (ScalingType < 0)
+  {
+    Scaling1[0] = P1[0];
+    Scaling1[0] = P1[1];
+    Scaling2[0] = P2[0];
+    Scaling2[1] = P2[1];
+  }
+
+  update_transform();
+}
+
+
+/*
+ * 'IR_input_relative()' - Update P1 and P2.
+ */
+
+void
+IR_input_relative(int     num_params,	/* I - Number of parameters */
+                  param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0)
+  {
+    P1[0] = PageLeft / 72.0f * 1016.0f;
+    P1[1] = PageBottom / 72.0f * 1016.0f;
+    P2[0] = PageRight / 72.0f * 1016.0f;
+    P2[1] = PageTop / 72.0f * 1016.0f;
+  }
+  else if (num_params == 2)
+  {
+    P2[0] -= P1[0];
+    P2[1] -= P1[1];
+    P1[0] = params[0].value.number * PlotSize[0] / 72.0f * 1016.0f / 100.0f;
+    P1[1] = params[1].value.number * PlotSize[1] / 72.0f * 1016.0f / 100.0f;
+    P2[0] += P1[0];
+    P2[1] += P1[1];
+  }
+  else if (num_params == 4)
+  {
+    P1[0] = params[0].value.number * PlotSize[0] / 72.0f * 1016.0f / 100.0f;
+    P1[1] = params[1].value.number * PlotSize[1] / 72.0f * 1016.0f / 100.0f;
+    P2[0] = params[2].value.number * PlotSize[0] / 72.0f * 1016.0f / 100.0f;
+    P2[1] = params[3].value.number * PlotSize[1] / 72.0f * 1016.0f / 100.0f;
+  }
+
+  IW1[0] = 0.0;
+  IW1[1] = 0.0;
+  IW2[0] = 0.0;
+  IW2[1] = 0.0;
+
+  if (ScalingType < 0)
+  {
+    Scaling1[0] = P1[0];
+    Scaling1[0] = P1[1];
+    Scaling2[0] = P2[0];
+    Scaling2[1] = P2[1];
+  }
+
+  update_transform();
+}
+
+
+/*
+ * 'IW_input_window()' - Setup an input window.
+ */
+
+void
+IW_input_window(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0)
+  {
+    IW1[0] = PageLeft / 72.0f * 1016.0f;
+    IW1[1] = PageBottom / 72.0f * 1016.0f;
+    IW2[0] = PageRight / 72.0f * 1016.0f;
+    IW2[1] = PageTop / 72.0f * 1016.0f;
+  }
+  else if (num_params == 4)
+  {
+
+    if (ScalingType < 0)
+    {
+      IW1[0] = params[0].value.number;
+      IW1[1] = params[1].value.number;
+      IW2[0] = params[2].value.number;
+      IW2[1] = params[3].value.number;
+    }
+    else
+    {
+      IW1[0] = (Transform[0][0] * params[0].value.number +
+                Transform[0][1] * params[1].value.number +
+                Transform[0][2]) / 72.0f * 1016.0f;
+      IW1[1] = (Transform[1][0] * params[0].value.number +
+                Transform[1][1] * params[1].value.number +
+                Transform[1][2]) / 72.0f * 1016.0f;
+      IW2[0] = (Transform[0][0] * params[2].value.number +
+                Transform[0][1] * params[3].value.number +
+                Transform[0][2]) / 72.0f * 1016.0f;
+      IW2[1] = (Transform[1][0] * params[2].value.number +
+                Transform[1][1] * params[3].value.number +
+                Transform[1][2]) / 72.0f * 1016.0f;
+    }
+
+    fprintf(stderr, "DEBUG: IW%.0f,%.0f,%.0f,%.0f = [ %.0f %.0f %.0f %.0f ]\n",
+	    params[0].value.number, params[1].value.number,
+	    params[2].value.number, params[3].value.number,
+	    IW1[0], IW1[1], IW2[0], IW2[1]);
+  }
+
+
+  update_transform();
+}
+
+
+/*
+ * 'PG_advance_page()' - Eject the current page.
+ */
+
+void
+PG_advance_page(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  if (PageDirty)
+  {
+    puts("grestore");
+    puts("showpage");
+
+    PageDirty = 0;
+  }
+}
+
+
+/*
+ * 'PS_plot_size()' - Set the plot size.
+ */
+
+void
+PS_plot_size(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  switch (num_params)
+  {
+    case 0 : /* PS ; */
+        if (Rotation == 0 || Rotation == 180)
+        {
+          PlotSize[0] = PageWidth;
+          PlotSize[1] = PageLength;
+	}
+	else
+	{
+          PlotSize[0] = PageLength;
+          PlotSize[1] = PageWidth;
+	}
+
+	PlotSizeSet = 0;
+        break;
+    case 1 : /* PS length ; */
+        if (Rotation == 0 || Rotation == 180)
+        {
+          PlotSize[1] = 72.0f * params[0].value.number / 1016.0f;
+          PlotSize[0] = 0.75f * PlotSize[1];
+        }
+        else
+        {
+          PlotSize[0] = 72.0f * params[0].value.number / 1016.0f;
+          PlotSize[1] = 0.75f * PlotSize[0];
+        }
+
+	PlotSizeSet = 1;
+        break;
+    case 2 : /* PS length, width ; */
+       /*
+        * Unfortunately, it appears that NO application correctly
+	* sends a two-argument PS command as documented in the
+	* HP-GL/2 Reference Manual from HP.  Instead, applications
+	* send the width before the length, which causes all sorts
+	* of problems when scaling.
+	*
+	* Rather than fight it, we now look for them as width,length
+	* instead of length,width.
+	*
+	* Don't like it?  Send mail to the folks that make Ideas, Pro/E,
+	* AutoCAD, etc.
+	*/
+
+        if (Rotation == 0 || Rotation == 180)
+        {
+          PlotSize[0] = 72.0f * params[0].value.number / 1016.0f;
+          PlotSize[1] = 72.0f * params[1].value.number / 1016.0f;
+        }
+        else
+        {
+          PlotSize[0] = 72.0f * params[1].value.number / 1016.0f;
+          PlotSize[1] = 72.0f * params[0].value.number / 1016.0f;
+        }
+
+	PlotSizeSet = 1;
+        break;
+  }
+
+ /*
+  * This is required for buggy files that don't set the input window.
+  */
+
+  IP_input_absolute(0, NULL);
+}
+
+
+/*
+ * 'RO_rotate()' - Rotate the plot.
+ */
+
+void
+RO_rotate(int     num_params,	/* I - Number of parameters */
+          param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0)
+    Rotation = 0;
+  else
+    Rotation = (int)params[0].value.number;
+
+  update_transform();
+}
+
+
+/*
+ * 'RP_replot()' - Replot the current page.
+ */
+
+void
+RP_replot(int     num_params,	/* I - Number of parameters */
+          param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SC_scale()' - Set user-defined scaling.
+ */
+
+void
+SC_scale(int     num_params,	/* I - Number of parameters */
+         param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0)
+  {
+    ScalingType = -1;
+    Scaling1[0] = P1[0];
+    Scaling1[0] = P1[1];
+    Scaling2[0] = P2[0];
+    Scaling2[1] = P2[1];
+  }
+  else if (num_params > 3)
+  {
+    Scaling1[0] = params[0].value.number;
+    Scaling2[0] = params[1].value.number;
+    Scaling1[1] = params[2].value.number;
+    Scaling2[1] = params[3].value.number;
+
+    if (num_params > 4)
+      ScalingType = (int)params[4].value.number;
+    else
+      ScalingType = 1;
+  }
+
+  update_transform();
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-input.c b/filter/hpgl-input.c
new file mode 100644
index 000000000..1feb3038b
--- /dev/null
+++ b/filter/hpgl-input.c
@@ -0,0 +1,232 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 input processing for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ParseCommand()   - Parse an HPGL/2 command.
+ *   FreeParameters() - Free all string parameter values.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+#include <ctype.h>
+
+#define MAX_PARAMS 16384
+
+
+/*
+ * 'ParseCommand()' - Parse an HPGL/2 command.
+ *
+ * Returns the number of parameters seen or -1 on EOF.
+ */
+
+int				/* O - -1 on EOF, # params otherwise */
+ParseCommand(FILE    *fp,	/* I - File to read from */
+             char    *name,	/* O - Name of command */
+             param_t **params)	/* O - Parameter list */
+{
+  int		num_params,	/* Number of parameters seen */
+		ch,		/* Current char */
+		done,		/* Non-zero when the current command is read */
+		i;		/* Looping var */
+  char		buf[262144];	/* String buffer */
+  static param_t p[MAX_PARAMS];	/* Parameter buffer */
+
+
+  num_params = 0;
+  done       = 0;
+
+  do
+  {
+    while ((ch = getc(fp)) != EOF)
+      if (strchr(" \t\r\n,;", ch) == NULL)
+        break;
+
+    if (ch == EOF)
+      return (-1);
+
+    if (ch == 0x1b)
+      switch (getc(fp))
+      {
+        case '.' : /* HP-GL/2 job control */
+            i = getc(fp);
+
+            if (strchr(")Z", i) != NULL)
+            {
+             /*
+              * 'Printer Off' command - look for next 'Printer On' command...
+              */
+
+              for (;;)
+              {
+                while ((i = getc(fp)) != EOF && i != 0x1b);
+
+                if (i == EOF)
+                  return (-1);
+
+                if (getc(fp) != '.')
+                  continue;
+
+                if ((i = getc(fp)) == '(' ||
+                    i == 'Y')
+                  break;
+              }
+            }
+            else if (strchr("@HIMNTI\003", i) != NULL)
+            {
+              while ((i = getc(fp)) != EOF && i != ':');
+            }
+            break;
+
+        default : /* HP RTL/PCL control */
+            while ((i = getc(fp)) != EOF && !isupper(i));
+            break;
+      }
+  } while (ch == 0x1b);
+
+  name[0] = ch;
+  name[1] = getc(fp);
+  name[2] = '\0';
+
+  if (strcasecmp(name, "LB") == 0)
+  {
+    for (i = 0; (ch = getc(fp)) != StringTerminator; i ++)
+      buf[i] = ch;
+    buf[i] = '\0';
+    p[num_params].type         = PARAM_STRING;
+    p[num_params].value.string = strdup(buf);
+    num_params ++;
+  }
+  else if (strcasecmp(name, "SM") == 0)
+  {
+    buf[0] = getc(fp);
+    buf[1] = '\0';
+    p[num_params].type         = PARAM_STRING;
+    p[num_params].value.string = strdup(buf);
+    num_params ++;
+  }
+  else if (strcasecmp(name, "DT") == 0)
+  {
+    if ((buf[0] = getc(fp)) != ';')
+    {
+      buf[1] = '\0';
+      p[num_params].type         = PARAM_STRING;
+      p[num_params].value.string = strdup(buf);
+      num_params ++;
+    }
+  }
+  else if (strcasecmp(name, "PE") == 0)
+  {
+    for (i = 0; i < (sizeof(buf) - 1); i ++)
+      if ((buf[i] = getc(fp)) == ';')
+        break;
+
+    buf[i] = '\0';
+    p[num_params].type         = PARAM_STRING;
+    p[num_params].value.string = strdup(buf);
+    num_params ++;
+  }
+
+  while (!done)
+    switch (ch = getc(fp))
+    {
+      case ',' :
+      case ' ' :
+      case '\n' :
+      case '\r' :
+      case '\t' :
+          break;
+
+      case '\"' :
+          fscanf(fp, "%262143[^\"]\"", buf);
+          if (num_params < MAX_PARAMS)
+          {
+            p[num_params].type         = PARAM_STRING;
+            p[num_params].value.string = strdup(buf);
+            num_params ++;
+          };
+          break;
+
+      case '-' :
+      case '+' :
+          ungetc(ch, fp);
+          fscanf(fp, "%f", &(p[num_params].value.number));
+          if (num_params < MAX_PARAMS)
+          {
+            p[num_params].type = PARAM_RELATIVE;
+            num_params ++;
+          }
+          break;
+      case '0' :
+      case '1' :
+      case '2' :
+      case '3' :
+      case '4' :
+      case '5' :
+      case '6' :
+      case '7' :
+      case '8' :
+      case '9' :
+      case '.' :
+          ungetc(ch, fp);
+          fscanf(fp, "%f", &(p[num_params].value.number));
+          if (num_params < MAX_PARAMS)
+          {
+            p[num_params].type = PARAM_ABSOLUTE;
+            num_params ++;
+          }
+          break;
+      default :
+          ungetc(ch, fp);
+          done = 1;
+          break;
+    }
+
+  *params = p;
+  return (num_params);
+}
+
+
+/*
+ * 'FreeParameters()' - Free all string parameter values.
+ */
+
+void
+FreeParameters(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameter values */
+{
+  int	i;				/* Looping var */
+
+
+  for (i = 0; i < num_params; i ++)
+    if (params[i].type == PARAM_STRING)
+      free(params[i].value.string);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-main.c b/filter/hpgl-main.c
new file mode 100644
index 000000000..fb78576e7
--- /dev/null
+++ b/filter/hpgl-main.c
@@ -0,0 +1,265 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 filter main entry for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()          - Main entry for HP-GL/2 filter.
+ *   compare_names() - Compare two command names.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+/*#define DEBUG*/
+#define _HPGL_MAIN_C_
+#include "hpgltops.h"
+
+
+/*
+ * HP-GL/2 command table...
+ */
+
+typedef struct
+{
+  char	name[4];			/* Name of command */
+  void	(*func)(int, param_t *);	/* Function to call */
+} name_t;
+
+static name_t commands[] =
+{
+  { "BP", BP_begin_plot },
+  { "DF", DF_default_values },
+  { "IN", IN_initialize },
+  { "IP", IP_input_absolute },
+  { "IR", IR_input_relative },
+  { "IW", IW_input_window },
+  { "PG", PG_advance_page },
+  { "RO", RO_rotate },
+  { "RP", RP_replot },
+  { "SC", SC_scale },
+  { "AA", AA_arc_absolute },
+  { "AR", AR_arc_relative },
+  { "AT", AT_arc_absolute3 },
+  { "CI", CI_circle },
+  { "PA", PA_plot_absolute },
+  { "PD", PD_pen_down },
+  { "PE", PE_polyline_encoded },
+  { "PR", PR_plot_relative },
+  { "PS", PS_plot_size },
+  { "PU", PU_pen_up },
+  { "RT", RT_arc_relative3 },
+  { "EA", EA_edge_rect_absolute },
+  { "EP", EP_edge_polygon },
+  { "ER", ER_edge_rect_relative },
+  { "EW", EW_edge_wedge },
+  { "FP", FP_fill_polygon },
+  { "PM", PM_polygon_mode },
+  { "RA", RA_fill_rect_absolute },
+  { "RR", RR_fill_rect_relative },
+  { "WG", WG_fill_wedge },
+  { "AD", AD_define_alternate },
+  { "CF", CF_character_fill },
+  { "CP", CP_character_plot },
+  { "DI", DI_absolute_direction },
+  { "DR", DR_relative_direction },
+  { "DT", DT_define_label_term },
+  { "DV", DV_define_variable_path },
+  { "ES", ES_extra_space },
+  { "LB", LB_label },
+  { "LO", LO_label_origin },
+  { "SA", SA_select_alternate },
+  { "SD", SD_define_standard },
+  { "SI", SI_absolute_size },
+  { "SL", SL_character_slant },
+  { "SR", SR_relative_size },
+  { "SS", SS_select_standard },
+  { "TD", TD_transparent_data },
+  { "AC", AC_anchor_corner },
+  { "FT", FT_fill_type },
+  { "LA", LA_line_attributes },
+  { "LT", LT_line_type },
+  { "NP", NP_number_pens },
+  { "PC", PC_pen_color },
+  { "CR", CR_color_range },
+  { "PW", PW_pen_width },
+  { "RF", RF_raster_fill },
+  { "SM", SM_symbol_mode },
+  { "SP", SP_select_pen },
+  { "UL", UL_user_line_type },
+  { "WU", WU_width_units }
+};
+#define NUM_COMMANDS (sizeof(commands) / sizeof(name_t))
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare_names(const void *p1, const void *p2);
+
+
+/*
+ * 'main()' - Main entry for HP-GL/2 filter.
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  FILE		*fp;		/* Input file */
+  int		num_params;	/* Number of parameters */
+  param_t	*params;	/* Command parameters */
+  name_t	*command,	/* Command */
+		name;		/* Name of command */
+  int		num_options;	/* Number of print options */
+  cups_option_t	*options;	/* Print options */
+  const char	*val;		/* Option value */
+  int		shading;	/* -1 = black, 0 = grey, 1 = color */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+    fputs("ERROR: hpgltops job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+    fp = stdin;
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      perror("ERROR: unable to open print file - ");
+      return (1);
+    }
+  }
+
+ /*
+  * Process command-line options and write the prolog...
+  */
+
+  options     = NULL;
+  num_options = cupsParseOptions(argv[5], 0, &options);
+
+  PPD = SetCommonOptions(num_options, options, 1);
+
+  PlotSize[0] = PageWidth;
+  PlotSize[1] = PageLength;
+
+  shading  = 1;
+  PenWidth = 1.0;
+
+  if ((val = cupsGetOption("blackplot", num_options, options)) != NULL)
+    shading = 0;
+
+  if ((val = cupsGetOption("fitplot", num_options, options)) != NULL)
+    FitPlot = 1;
+
+  if ((val = cupsGetOption("penwidth", num_options, options)) != NULL)
+    PenWidth = (float)atoi(val) * 0.001f;
+
+ /*
+  * Write the PostScript prolog and initialize the plotting "engine"...
+  */
+
+  OutputProlog(argv[3], argv[2], shading);
+
+  IP_input_absolute(0, NULL);
+
+ /*
+  * Sort the command array...
+  */
+
+  qsort(commands, NUM_COMMANDS, sizeof(name_t),
+        (int (*)(const void *, const void *))compare_names);
+
+ /*
+  * Read commands until we reach the end of file.
+  */
+
+  while ((num_params = ParseCommand(fp, name.name, &params)) >= 0)
+  {
+#ifdef DEBUG
+    {
+      int i;
+      fprintf(stderr, "DEBUG: %s(%d)", name.name, num_params);
+      for (i = 0; i < num_params; i ++)
+	if (params[i].type == PARAM_STRING)
+          fprintf(stderr, " \'%s\'", params[i].value.string);
+	else
+          fprintf(stderr, " %f", params[i].value.number);
+      fputs("\n", stderr);
+    }
+#endif /* DEBUG */
+
+    if ((command = bsearch(&name, commands, NUM_COMMANDS, sizeof(name_t),
+                           (int (*)(const void *, const void *))compare_names)) != NULL)
+      (*command->func)(num_params, params);
+
+    FreeParameters(num_params, params);
+  }
+
+  OutputTrailer();
+
+  if (fp != stdin)
+    fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * 'compare_names()' - Compare two command names.
+ */
+
+static int			/* O - Result of strcasecmp() on names */
+compare_names(const void *p1,	/* I - First name */
+              const void *p2)	/* I - Second name */
+{
+  return (strcasecmp(((name_t *)p1)->name, ((name_t *)p2)->name));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-polygon.c b/filter/hpgl-polygon.c
new file mode 100644
index 000000000..bcde250db
--- /dev/null
+++ b/filter/hpgl-polygon.c
@@ -0,0 +1,380 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 polygon routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   EA_edge_rect_absolute() - Draw a rectangle.
+ *   EP_edge_polygon()       - Stroke the edges of a polygon.
+ *   ER_edge_rect_relative() - Draw a rectangle relative to the current
+ *   EW_edge_wedge()         - Draw a pie wedge.
+ *   FP_fill_polygon()       - Fill a polygon.
+ *   PM_polygon_mode()       - Set the polygon drawing mode.
+ *   RA_fill_rect_absolute() - Fill a rectangle.
+ *   RR_fill_rect_relative() - Fill a rectangle relative to the current
+ *   WG_fill_wedge()         - Fill a pie wedge.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+
+
+/*
+ * 'EA_edge_rect_absolute()' - Draw a rectangle.
+ */
+
+void
+EA_edge_rect_absolute(int     num_params,	/* I - Number of parameters */
+                      param_t *params)		/* I - Parameters */
+{
+  float	x, y;		/* Transformed coordinates */
+
+
+  if (num_params < 2)
+    return;
+
+  x = Transform[0][0] * params[0].value.number +
+      Transform[0][1] * params[1].value.number +
+      Transform[0][2];
+  y = Transform[1][0] * params[0].value.number +
+      Transform[1][1] * params[1].value.number +
+      Transform[1][2];
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+  Outputf("%.3f %.3f LI\n", PenPosition[0], y);
+  Outputf("%.3f %.3f LI\n", x, y);
+  Outputf("%.3f %.3f LI\n", x, PenPosition[1]);
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("ST\n");
+}
+
+
+/*
+ * 'EP_edge_polygon()' - Stroke the edges of a polygon.
+ */
+
+void
+EP_edge_polygon(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  Outputf("ST\n");
+}
+
+
+/*
+ * 'ER_edge_rect_relative()' - Draw a rectangle relative to the current
+ *                             pen position.
+ */
+
+void
+ER_edge_rect_relative(int     num_params,	/* I - Number of parameters */
+                      param_t *params)		/* I - Parameters */
+{
+  float x, y;		/* Transformed coordinates */
+
+
+  if (num_params < 2)
+    return;
+
+  x = Transform[0][0] * params[0].value.number +
+      Transform[0][1] * params[1].value.number +
+      PenPosition[0];
+  y = Transform[1][0] * params[0].value.number +
+      Transform[1][1] * params[1].value.number +
+      PenPosition[1];
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+  Outputf("%.3f %.3f LI\n", PenPosition[0], y);
+  Outputf("%.3f %.3f LI\n", x, y);
+  Outputf("%.3f %.3f LI\n", x, PenPosition[1]);
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("ST\n");
+}
+
+
+/*
+ * 'EW_edge_wedge()' - Draw a pie wedge.
+ */
+
+void
+EW_edge_wedge(int     num_params,	/* I - Number of parameters */
+              param_t *params)		/* I - Parameters */
+{
+  float x, y;				/* Transformed coordinates */
+  float start, end,			/* Start and end of arc */
+	theta,				/* Current angle */
+	dt,				/* Step between points */
+	radius;				/* Radius of arc */
+
+
+  if (num_params < 3)
+    return;
+
+  radius = params[0].value.number;
+  start  = params[1].value.number;
+  end    = start + params[2].value.number;
+
+  if (num_params > 3)
+    dt = (float)fabs(params[3].value.number);
+  else
+    dt = 5.0f;
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+  if (start < end)
+    for (theta = start + dt; theta < end; theta += dt)
+    {
+      x = (float)(PenPosition[0] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[0][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[0][1]);
+      y = (float)(PenPosition[1] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[1][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[1][1]);
+
+      Outputf("%.3f %.3f LI\n", x, y);
+    }
+  else
+    for (theta = start - dt; theta > end; theta -= dt)
+    {
+      x = (float)(PenPosition[0] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[0][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[0][1]);
+      y = (float)(PenPosition[1] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[1][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[1][1]);
+
+      Outputf("%.3f %.3f LI\n", x, y);
+    }
+
+  x = (float)(PenPosition[0] +
+              radius * cos(M_PI * end / 180.0) * Transform[0][0] +
+              radius * sin(M_PI * end / 180.0) * Transform[0][1]);
+  y = (float)(PenPosition[1] +
+              radius * cos(M_PI * end / 180.0) * Transform[1][0] +
+              radius * sin(M_PI * end / 180.0) * Transform[1][1]);
+  Outputf("%.3f %.3f LI\n", x, y);
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("ST\n");
+}
+
+
+/*
+ * 'FP_fill_polygon()' - Fill a polygon.
+ */
+
+void
+FP_fill_polygon(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+
+  Outputf("FI\n");
+}
+
+
+/*
+ * 'PM_polygon_mode()' - Set the polygon drawing mode.
+ */
+
+void
+PM_polygon_mode(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  if (num_params == 0 ||
+      params[0].value.number == 0)
+  {
+    Outputf("MP\n");
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+    PolygonMode = 1;
+  }
+  else if (params[0].value.number == 2)
+    PolygonMode = 0;
+}
+
+
+/*
+ * 'RA_fill_rect_absolute()' - Fill a rectangle.
+ */
+
+void
+RA_fill_rect_absolute(int     num_params,	/* I - Number of parameters */
+                      param_t *params)		/* I - Parameters */
+{
+  float x, y;			/* Transformed coordinates */
+
+
+  if (num_params < 2)
+    return;
+
+  x = Transform[0][0] * params[0].value.number +
+      Transform[0][1] * params[1].value.number +
+      Transform[0][2];
+  y = Transform[1][0] * params[0].value.number +
+      Transform[1][1] * params[1].value.number +
+      Transform[1][2];
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+  Outputf("%.3f %.3f LI\n", PenPosition[0], y);
+  Outputf("%.3f %.3f LI\n", x, y);
+  Outputf("%.3f %.3f LI\n", x, PenPosition[1]);
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("FI\n");
+}
+
+
+/*
+ * 'RR_fill_rect_relative()' - Fill a rectangle relative to the current
+ *                             pen position.
+ */
+
+void
+RR_fill_rect_relative(int     num_params,	/* I - Number of parameters */
+                      param_t *params)		/* I - Parameters */
+{
+  float x, y;			/* Transformed coordinates */
+
+
+  if (num_params < 2)
+    return;
+
+  x = Transform[0][0] * params[0].value.number +
+      Transform[0][1] * params[1].value.number +
+      PenPosition[0];
+  y = Transform[1][0] * params[0].value.number +
+      Transform[1][1] * params[1].value.number +
+      PenPosition[1];
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+  Outputf("%.3f %.3f LI\n", PenPosition[0], y);
+  Outputf("%.3f %.3f LI\n", x, y);
+  Outputf("%.3f %.3f LI\n", x, PenPosition[1]);
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("FI\n");
+}
+
+
+/*
+ * 'WG_fill_wedge()' - Fill a pie wedge.
+ */
+
+void
+WG_fill_wedge(int     num_params,	/* I - Number of parameters */
+              param_t *params)		/* I - Parameters */
+{
+  float x, y;				/* Transformed coordinates */
+  float start, end,			/* Start and end angles */
+	theta,				/* Current angle */
+	dt,				/* Step between points */
+	radius;				/* Radius of arc */
+
+
+  if (num_params < 3)
+    return;
+
+  radius = params[0].value.number;
+  start  = params[1].value.number;
+  end    = start + params[2].value.number;
+
+  if (num_params > 3)
+    dt = (float)fabs(params[3].value.number);
+  else
+    dt = 5.0;
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+  if (start < end)
+    for (theta = start + dt; theta < end; theta += dt)
+    {
+      x = (float)(PenPosition[0] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[0][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[0][1]);
+      y = (float)(PenPosition[1] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[1][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[1][1]);
+
+      Outputf("%.3f %.3f LI\n", x, y);
+    }
+  else
+    for (theta = start - dt; theta > end; theta -= dt)
+    {
+      x = (float)(PenPosition[0] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[0][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[0][1]);
+      y = (float)(PenPosition[1] +
+                  radius * cos(M_PI * theta / 180.0) * Transform[1][0] +
+                  radius * sin(M_PI * theta / 180.0) * Transform[1][1]);
+
+      Outputf("%.3f %.3f LI\n", x, y);
+    }
+
+  x = (float)(PenPosition[0] +
+              radius * cos(M_PI * end / 180.0) * Transform[0][0] +
+              radius * sin(M_PI * end / 180.0) * Transform[0][1]);
+  y = (float)(PenPosition[1] +
+              radius * cos(M_PI * end / 180.0) * Transform[1][0] +
+              radius * sin(M_PI * end / 180.0) * Transform[1][1]);
+  Outputf("%.3f %.3f LI\n", x, y);
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("FI\n");
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-prolog.c b/filter/hpgl-prolog.c
new file mode 100644
index 000000000..47dd95d32
--- /dev/null
+++ b/filter/hpgl-prolog.c
@@ -0,0 +1,407 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 prolog routines for for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *  OutputProlog()  - Output the PostScript prolog...
+ *  OutputTrailer() - Output the PostScript trailer...
+ *  Outputf()       - Write a formatted string to the output file, creating the
+ *                    page header as needed...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+#include <stdarg.h>
+
+
+/*
+ * 'OutputProlog()' - Output the PostScript prolog...
+ */
+
+void
+OutputProlog(char  *title,	/* I - Job title */
+             char  *user,	/* I - Username */
+             int   shading)	/* I - Type of shading */
+{
+  FILE		*prolog;	/* Prolog file */
+  char		line[255];	/* Line from prolog file */
+  const char	*datadir;	/* CUPS_DATADIR environment variable */
+  char		filename[1024];	/* Name of prolog file */
+  time_t	curtime;	/* Current time */
+  struct tm	*curtm;		/* Current date */
+
+
+  curtime = time(NULL);
+  curtm   = localtime(&curtime);
+
+  puts("%!PS-Adobe-3.0");
+  printf("%%%%BoundingBox: %.0f %.0f %.0f %.0f\n",
+         PageLeft, PageBottom, PageRight, PageTop);
+  puts("%%Pages: (atend)");
+  printf("%%%%LanguageLevel: %d\n", LanguageLevel);
+  puts("%%DocumentData: Clean7Bit");
+  puts("%%DocumentSuppliedResources: procset hpgltops 1.1 0");
+  puts("%%DocumentNeededResources: font Courier Helvetica");
+  puts("%%Creator: hpgltops/" CUPS_SVERSION);
+  strftime(line, sizeof(line), CUPS_STRFTIME_FORMAT, curtm);
+  printf("%%%%CreationDate: %s\n", line);
+  printf("%%%%Title: %s\n", title);
+  printf("%%%%For: %s\n", user);
+  if (Orientation & 1)
+    puts("%%Orientation: Landscape");
+  puts("%%EndComments");
+  puts("%%BeginProlog");
+  printf("/DefaultPenWidth %.2f def\n", PenWidth * 72.0 / 25.4);
+  puts("3.0 setmiterlimit");
+  if (!shading)			/* Black only */
+    puts("/setrgbcolor { pop pop pop } bind def");
+  else if (!ColorDevice)	/* Greyscale */
+    puts("/setrgbcolor { 0.08 mul exch 0.61 mul add exch 0.31 mul add setgray } bind def\n");
+
+  if ((datadir = getenv("CUPS_DATADIR")) == NULL)
+    datadir = CUPS_DATADIR;
+
+  snprintf(filename, sizeof(filename), "%s/data/HPGLprolog", datadir);
+
+  if ((prolog = fopen(filename, "r")) == NULL)
+  {
+    fprintf(stderr, "ERROR: Unable to open HPGL prolog \"%s\" for reading - %s\n",
+            filename, strerror(errno));
+    exit(1);
+  }
+
+  while (fgets(line, sizeof(line), prolog) != NULL)
+    fputs(line, stdout);
+
+  fclose(prolog);
+
+  puts("%%EndProlog");
+
+  IN_initialize(0, NULL);
+}
+
+
+/*
+ * 'OutputTrailer()' - Output the PostScript trailer...
+ */
+
+void
+OutputTrailer(void)
+{
+  if (PageDirty)
+    PG_advance_page(0, NULL);
+
+  puts("%%Trailer");
+  printf("%%%%Pages: %d\n", PageCount);
+  puts("%%EOF");
+}
+
+
+/*
+ * 'Outputf()' - Write a formatted string to the output file, creating the
+ *               page header as needed...
+ */
+
+int				/* O - Number of bytes written */
+Outputf(const char *format,	/* I - Printf-style string */
+        ...)			/* I - Additional args as needed */
+{
+  va_list	ap;		/* Argument pointer */
+  int		bytes;		/* Number of bytes written */
+  float		iw1[2], iw2[2];	/* Clipping window */
+  int		i;		/* Looping var */
+  ppd_size_t	*size;		/* Page size */
+  ppd_option_t	*option;	/* Page size option */
+  ppd_choice_t	*choice;	/* Page size choice */
+  float		width, length;	/* Page dimensions */
+  int		landscape;	/* Rotate for landscape orientation? */
+
+
+ /*
+  * Write the page header as needed...
+  */
+
+  if (!PageDirty)
+  {
+    PageDirty = 1;
+    PageCount ++;
+
+    printf("%%%%Page: %d %d\n", PageCount, PageCount);
+
+    landscape = 0;
+
+    if (!FitPlot && PlotSizeSet)
+    {
+     /*
+      * Set the page size for this page...
+      */
+
+      if (PageRotation == 0 || PageRotation == 180)
+      {
+	width  = PlotSize[0];
+	length = PlotSize[1];
+      }
+      else
+      {
+	width  = PlotSize[1];
+	length = PlotSize[0];
+      }
+
+      fprintf(stderr, "DEBUG: hpgltops setting page size (%.0f x %.0f)\n",
+              width, length);
+
+      if (PPD != NULL)
+      {
+        fputs("DEBUG: hpgltops has a PPD file!\n", stderr);
+
+       /*
+	* Lookup the closest PageSize and set it...
+	*/
+
+	for (i = PPD->num_sizes, size = PPD->sizes; i > 0; i --, size ++)
+	  if ((fabs(length - size->length) < 36.0 && size->width >= width) ||
+              (fabs(length - size->width) < 36.0 && size->length >= width))
+	    break;
+
+	if (i == 0 && PPD->variable_sizes)
+	{
+          for (i = PPD->num_sizes, size = PPD->sizes; i > 0; i --, size ++)
+	    if (strcasecmp(size->name, "custom") == 0)
+	      break;
+	} 
+
+	if (i > 0)
+	{
+	 /*
+	  * Found a matching size...
+	  */
+
+	  option = ppdFindOption(PPD, "PageSize");
+	  choice = ppdFindChoice(option, size->name);
+
+          puts("%%BeginPageSetup");
+          printf("%%%%BeginFeature: PageSize %s\n", size->name);
+
+          if (strcasecmp(size->name, "custom") == 0)
+	  {
+	    PageLeft   = PPD->custom_margins[0];
+	    PageRight  = width - PPD->custom_margins[2];
+	    PageWidth  = width;
+	    PageBottom = PPD->custom_margins[1];
+	    PageTop    = length - PPD->custom_margins[3];
+	    PageLength = length;
+
+            printf("%.0f %.0f 0 0 0\n", width, length);
+
+	    if (choice->code == NULL)
+	    {
+	     /*
+	      * This can happen with certain buggy PPD files that don't include
+	      * a CustomPageSize command sequence...  We just use a generic
+	      * Level 2 command sequence...
+	      */
+
+	      puts("pop pop pop");
+	      puts("<</PageSize[5 -2 roll]/ImagingBBox null>>setpagedevice\n");
+	    }
+            else
+	    {
+	     /*
+	      * Use the vendor-supplied command...
+	      */
+
+	      printf("%s\n", choice->code);
+	    }
+	  }
+	  else
+	  {
+	    if (choice->code)
+              printf("%s\n", choice->code);
+
+	    if (fabs(length - size->width) < 36.0)
+	    {
+	     /*
+              * Do landscape orientation...
+	      */
+
+	      PageLeft   = size->bottom;
+	      PageRight  = size->top;
+	      PageWidth  = size->length;
+	      PageBottom = size->left;
+	      PageTop    = size->right;
+	      PageLength = size->width;
+
+              landscape = 1;
+	    }
+	    else
+	    {
+	     /*
+              * Do portrait orientation...
+	      */
+
+	      PageLeft   = size->left;
+	      PageRight  = size->right;
+	      PageWidth  = size->width;
+	      PageBottom = size->bottom;
+	      PageTop    = size->top;
+	      PageLength = size->length;
+	    }
+	  }
+
+	  puts("%%EndFeature");
+	  puts("%%EndPageSetup");
+	}
+      }
+      else
+      {
+        fputs("DEBUG: hpgltops does not have a PPD file!\n", stderr);
+
+        puts("%%BeginPageSetup");
+        printf("%%%%BeginFeature: PageSize w%.0fh%.0f\n", width, length);
+	printf("<</PageSize[%.0f %.0f]/ImageBBox null>>setpagedevice\n",
+	       width, length);
+	puts("%%EndFeature");
+	puts("%%EndPageSetup");
+
+	PageLeft   = 0.0;
+	PageRight  = width;
+	PageWidth  = width;
+	PageBottom = 0.0;
+	PageTop    = length;
+	PageLength = length;
+      }
+    }
+
+    printf("/SA {\n"
+           "	/%s%s%s%s findfont\n"
+	   "	[ %f %f %f %f 0.0 0.0 ] makefont\n"
+	   "	setfont\n"
+	   "} bind def\n",
+           AlternateFont.typeface == 48 ? "Courier" : "Helvetica",
+           (AlternateFont.weight != 0 || AlternateFont.posture != 0) ? "-" : "",
+           AlternateFont.weight != 0 ? "Bold" : "",
+           AlternateFont.posture != 0 ? "Oblique" : "",
+           AlternateFont.x * AlternateFont.height,
+	   -AlternateFont.y * AlternateFont.height,
+	   AlternateFont.y * AlternateFont.height,
+	   AlternateFont.x * AlternateFont.height);
+
+    printf("/SS {\n"
+           "	/%s%s%s%s findfont\n"
+	   "	[ %f %f %f %f 0.0 0.0 ] makefont\n"
+	   "	setfont\n"
+	   "} bind def\n",
+           StandardFont.typeface == 48 ? "Courier" : "Helvetica",
+           (StandardFont.weight != 0 || StandardFont.posture != 0) ? "-" : "",
+           StandardFont.weight != 0 ? "Bold" : "",
+           StandardFont.posture != 0 ? "Oblique" : "",
+           StandardFont.x * StandardFont.height,
+	   -StandardFont.y * StandardFont.height,
+	   StandardFont.y * StandardFont.height,
+	   StandardFont.x * StandardFont.height);
+
+    if (CharFont)
+      puts("SA");
+    else
+      puts("SS");
+
+    printf("%.1f setmiterlimit\n", MiterLimit);
+    printf("%d setlinecap\n", LineCap);
+    printf("%d setlinejoin\n", LineJoin);
+
+    printf("%.3f %.3f %.3f %.2f SP\n", Pens[1].rgb[0], Pens[1].rgb[1],
+           Pens[1].rgb[2], Pens[1].width * PenScaling);
+
+    puts("gsave");
+
+    if (Duplex && (PageCount & 1) == 0)
+      switch ((PageRotation / 90 + landscape) & 3)
+      {
+	case 0 :
+            printf("%.1f %.1f translate\n", PageWidth - PageRight, PageBottom);
+	    break;
+	case 1 :
+            printf("%.0f 0 translate 90 rotate\n", PageLength);
+            printf("%.1f %.1f translate\n", PageLength - PageTop,
+	           PageWidth - PageRight);
+	    break;
+	case 2 :
+            printf("%.0f %.0f translate 180 rotate\n", PageWidth, PageLength);
+            printf("%.1f %.1f translate\n", PageLeft, PageLength - PageTop);
+	    break;
+	case 3 :
+            printf("0 %.0f translate -90 rotate\n", PageWidth);
+            printf("%.1f %.1f translate\n", PageBottom, PageLeft);
+	    break;
+      }
+    else
+      switch ((PageRotation / 90 + landscape) & 3)
+      {
+	case 0 :
+            printf("%.1f %.1f translate\n", PageLeft, PageBottom);
+	    break;
+	case 1 :
+            printf("%.0f 0 translate 90 rotate\n", PageLength);
+            printf("%.1f %.1f translate\n", PageBottom, PageWidth - PageRight);
+	    break;
+	case 2 :
+            printf("%.0f %.0f translate 180 rotate\n", PageWidth, PageLength);
+            printf("%.1f %.1f translate\n", PageWidth - PageRight,
+	            PageLength - PageTop);
+	    break;
+	case 3 :
+            printf("0 %.0f translate -90 rotate\n", PageWidth);
+            printf("%.1f %.1f translate\n", PageLength - PageTop, PageLeft);
+	    break;
+      }
+
+    if (IW1[0] != IW2[0] && IW1[1] != IW2[1])
+    {
+      iw1[0] = IW1[0] * 72.0f / 1016.0f;
+      iw1[1] = IW1[1] * 72.0f / 1016.0f;
+      iw2[0] = IW2[0] * 72.0f / 1016.0f;
+      iw2[1] = IW2[1] * 72.0f / 1016.0f;
+
+      printf("initclip MP %.3f %.3f MO %.3f %.3f LI %.3f %.3f LI %.3f %.3f LI CP clip\n",
+	     iw1[0], iw1[1], iw1[0], iw2[1], iw2[0], iw2[1], iw2[0], iw1[1]);
+    }
+  }
+
+ /*
+  * Write the string to the output file...
+  */
+
+  va_start(ap, format);
+  bytes = vprintf(format, ap);
+  va_end(ap);
+
+  return (bytes);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgl-vector.c b/filter/hpgl-vector.c
new file mode 100644
index 000000000..b594947b2
--- /dev/null
+++ b/filter/hpgl-vector.c
@@ -0,0 +1,731 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 vector routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AA_arc_absolute()    - Draw an arc.
+ *   AR_arc_relative()    - Draw an arc relative to the current pen
+ *   AT_arc_absolute3()   - Draw an arc using 3 points.
+ *   CI_circle()          - Draw a circle.
+ *   PA_plot_absolute()   - Plot a line using absolute coordinates.
+ *   PD_pen_down()        - Start drawing.
+ *   PE_polygon_encoded() - Draw an encoded polyline.
+ *   PR_plot_relative()   - Plot a line using relative coordinates.
+ *   PU_pen_up()          - Stop drawing.
+ *   RT_arc_relative3()   - Draw an arc through 3 points relative to the
+ *   decode_number()      - Decode an encoded number.
+ *   plot_points()        - Plot the specified points.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+
+
+/*
+ * Local functions...
+ */
+
+static double	decode_number(unsigned char **, int, double);
+static void	plot_points(int, param_t *);
+
+
+/*
+ * 'AA_arc_absolute()' - Draw an arc.
+ */
+
+void
+AA_arc_absolute(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  float x, y,				/* Transformed coordinates */
+	dx, dy;				/* Distance from current pen */
+  float start, end,			/* Start and end angles */
+	theta,				/* Current angle */
+	dt,				/* Step between points */
+	radius;				/* Radius of arc */
+
+
+  if (num_params < 3)
+    return;
+
+  x = Transform[0][0] * params[0].value.number +
+      Transform[0][1] * params[1].value.number +
+      Transform[0][2];
+  y = Transform[1][0] * params[0].value.number +
+      Transform[1][1] * params[1].value.number +
+      Transform[1][2];
+
+  dx = PenPosition[0] - x;
+  dy = PenPosition[1] - y;
+
+  start = (float)(180.0 * atan2(dy, dx) / M_PI);
+  if (start < 0.0)
+    start += 360.0f;
+
+  end    = start + params[2].value.number;
+  radius = (float)hypot(dx, dy);
+
+  if (PenDown)
+  {
+    if (num_params > 3 && params[3].value.number > 0.0)
+      dt = (float)fabs(params[3].value.number);
+    else
+      dt = 5.0;
+
+    if (!PolygonMode)
+      Outputf("MP\n");
+
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+    if (start < end)
+      for (theta = start + dt; theta < end; theta += dt)
+      {
+	PenPosition[0] = (float)(x + radius * cos(M_PI * theta / 180.0));
+	PenPosition[1] = (float)(y + radius * sin(M_PI * theta / 180.0));
+
+	Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+      }
+    else
+      for (theta = start - dt; theta > end; theta -= dt)
+      {
+	PenPosition[0] = (float)(x + radius * cos(M_PI * theta / 180.0));
+	PenPosition[1] = (float)(y + radius * sin(M_PI * theta / 180.0));
+
+	Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+      }
+  }
+
+  PenPosition[0] = (float)(x + radius * cos(M_PI * end / 180.0));
+  PenPosition[1] = (float)(y + radius * sin(M_PI * end / 180.0));
+
+  if (PenDown)
+  {
+    Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+
+    if (!PolygonMode)
+      Outputf("ST\n");
+  }
+}
+
+
+/*
+ * 'AR_arc_relative()' - Draw an arc relative to the current pen
+ *                       position.
+ */
+
+void
+AR_arc_relative(int     num_params,	/* I - Number of parameters */
+                param_t *params)	/* I - Parameters */
+{
+  float x, y,				/* Transformed coordinates */
+	dx, dy;				/* Distance from current pen */
+  float start, end,			/* Start and end angles */
+	theta,				/* Current angle */
+	dt,				/* Step between points */
+	radius;				/* Radius of arc */
+
+
+  if (num_params < 3)
+    return;
+
+  x = Transform[0][0] * params[0].value.number +
+      Transform[0][1] * params[1].value.number +
+      PenPosition[0];
+  y = Transform[1][0] * params[0].value.number +
+      Transform[1][1] * params[1].value.number +
+      PenPosition[1];
+
+  dx = PenPosition[0] - x;
+  dy = PenPosition[1] - y;
+
+  start = (float)(180.0 * atan2(dy, dx) / M_PI);
+  if (start < 0.0)
+    start += 360.0f;
+
+  end    = start + params[2].value.number;
+  radius = (float)hypot(dx, dy);
+
+  if (PenDown)
+  {
+    if (num_params > 3 && params[3].value.number > 0.0)
+      dt = (float)fabs(params[3].value.number);
+    else
+      dt = 5.0;
+
+    if (!PolygonMode)
+      Outputf("MP\n");
+
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+    if (start < end)
+      for (theta = start + dt; theta < end; theta += dt)
+      {
+	PenPosition[0] = (float)(x + radius * cos(M_PI * theta / 180.0));
+	PenPosition[1] = (float)(y + radius * sin(M_PI * theta / 180.0));
+
+	Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+      }
+    else
+      for (theta = start - dt; theta > end; theta -= dt)
+      {
+	PenPosition[0] = (float)(x + radius * cos(M_PI * theta / 180.0));
+	PenPosition[1] = (float)(y + radius * sin(M_PI * theta / 180.0));
+
+	Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+      }
+  }
+
+  PenPosition[0] = (float)(x + radius * cos(M_PI * end / 180.0));
+  PenPosition[1] = (float)(y + radius * sin(M_PI * end / 180.0));
+
+  if (PenDown)
+  {
+    Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+
+    if (!PolygonMode)
+      Outputf("ST\n");
+  }
+}
+
+
+/*
+ * 'AT_arc_absolute3()' - Draw an arc using 3 points.
+ *
+ * Note:
+ *
+ *   Currently this only draws two line segments through the
+ *   specified points.
+ */
+
+void
+AT_arc_absolute3(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  if (num_params < 4)
+    return;
+
+  if (PenDown)
+  {
+    if (!PolygonMode)
+      Outputf("MP\n");
+
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+    PenPosition[0] = Transform[0][0] * params[0].value.number +
+                     Transform[0][1] * params[1].value.number +
+                     Transform[0][2];
+    PenPosition[1] = Transform[1][0] * params[0].value.number +
+                     Transform[1][1] * params[1].value.number +
+                     Transform[1][2];
+
+    Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+  }
+
+  PenPosition[0] = Transform[0][0] * params[2].value.number +
+                   Transform[0][1] * params[3].value.number +
+                   Transform[0][2];
+  PenPosition[1] = Transform[1][0] * params[2].value.number +
+                   Transform[1][1] * params[3].value.number +
+                   Transform[1][2];
+
+  if (PenDown)
+  {
+    Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+
+    if (!PolygonMode)
+      Outputf("ST\n");
+  }
+}
+
+
+/*
+ * 'CI_circle()' - Draw a circle.
+ */
+
+void
+CI_circle(int     num_params,	/* I - Number of parameters */
+          param_t *params)	/* I - Parameters */
+{
+  float x, y;			/* Transformed coordinates */
+  float theta,			/* Current angle */
+	dt,			/* Step between points */
+	radius;			/* Radius of circle */
+
+
+  if (num_params < 1)
+    return;
+
+  if (!PenDown)
+    return;
+
+  radius = params[0].value.number;
+
+  if (num_params > 1)
+    dt = (float)fabs(params[1].value.number);
+  else
+    dt = 5.0;
+
+  if (!PolygonMode)
+    Outputf("MP\n");
+
+  for (theta = 0.0; theta < 360.0; theta += dt)
+  {
+    x = (float)(PenPosition[0] +
+                radius * cos(M_PI * theta / 180.0) * Transform[0][0] +
+                radius * sin(M_PI * theta / 180.0) * Transform[0][1]);
+    y = (float)(PenPosition[1] +
+                radius * cos(M_PI * theta / 180.0) * Transform[1][0] +
+                radius * sin(M_PI * theta / 180.0) * Transform[1][1]);
+
+    Outputf("%.3f %.3f %s\n", x, y, theta == 0.0 ? "MO" : "LI");
+  }
+
+  Outputf("CP\n");
+  if (!PolygonMode)
+    Outputf("ST\n");
+}
+
+
+/*
+ * 'PA_plot_absolute()' - Plot a line using absolute coordinates.
+ */
+
+void
+PA_plot_absolute(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  PenMotion = 0;
+
+  if (num_params > 1)
+    plot_points(num_params, params);
+}
+
+
+/*
+ * 'PD_pen_down()' - Start drawing.
+ */
+
+void
+PD_pen_down(int     num_params,		/* I - Number of parameters */
+            param_t *params)		/* I - Parameters */
+{
+  PenDown = 1;
+
+  if (num_params > 1)
+    plot_points(num_params, params);
+}
+
+
+/*
+ * 'PE_polygon_encoded()' - Draw an encoded polyline.
+ */
+
+void
+PE_polyline_encoded(int     num_params,	/* I - Number of parameters */
+                    param_t *params)	/* I - Parameters */
+{
+  unsigned char	*s;			/* Pointer into string */
+  int		temp,			/* Temporary value */
+		base_bits,		/* Data bits per byte */
+		draw,			/* Draw or move */
+		abscoords;		/* Use absolute coordinates */
+  double	tx, ty,			/* Transformed coordinates */
+		x, y,			/* Raw coordinates */
+		frac_bits;		/* Multiplier for encoded number */
+
+
+  base_bits = 6;
+  frac_bits = 1.0;
+  draw      = 1;
+  abscoords = 0;
+
+  if (num_params == 0)
+    return;
+
+  if (!PolygonMode)
+  {
+    Outputf("MP\n");
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+  }
+
+  for (s = (unsigned char *)params[0].value.string; *s != '\0';)
+    switch (*s)
+    {
+      case '7' :
+          s ++;
+          base_bits = 5;
+
+#ifdef DEBUG
+          fputs("DEBUG:     7-bit\n", stderr);
+#endif /* DEBUG */
+          break;
+      case ':' :	/* Select pen */
+          s ++;
+          PenNumber = (int)decode_number(&s, base_bits, 1.0);
+	  if (PageDirty)
+	    printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+		   Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+		   Pens[PenNumber].width * PenScaling);
+
+#ifdef DEBUG
+          fprintf(stderr, "DEBUG:     set pen #%d\n", PenNumber);
+#endif /* DEBUG */
+          break;
+      case '<' :	/* Next coords are a move-to */
+          draw = 0;
+          s ++;
+
+#ifdef DEBUG
+          fputs("DEBUG:     moveto\n", stderr);
+#endif /* DEBUG */
+          break;
+      case '>' :	/* Set fractional bits */
+          s ++;
+          temp      = (int)decode_number(&s, base_bits, 1.0);
+          frac_bits = 1.0 / (1 << temp);
+
+#ifdef DEBUG
+          fprintf(stderr, "DEBUG:     set fractional bits %d\n", temp);
+#endif /* DEBUG */
+          break;
+      case '=' :	/* Next coords are absolute */
+          s ++;
+          abscoords = 1;
+
+#ifdef DEBUG
+          fputs("DEBUG:     absolute\n", stderr);
+#endif /* DEBUG */
+          break;
+      default :
+          if (*s >= 63)
+          {
+           /*
+            * Coordinate...
+            */
+
+            x = decode_number(&s, base_bits, frac_bits);
+            y = decode_number(&s, base_bits, frac_bits);
+
+#ifdef DEBUG
+            fprintf(stderr, "DEBUG:     coords %.3f %.3f\n", x, y);
+#endif /* DEBUG */
+
+            if (abscoords)
+            {
+	      tx = Transform[0][0] * x + Transform[0][1] * y +
+        	   Transform[0][2];
+	      ty = Transform[1][0] * x + Transform[1][1] * y +
+        	   Transform[1][2];
+	    }
+	    else if (x == 0.0 && y == 0.0)
+	    {
+	      draw = 1;
+	      continue;
+	    }
+	    else
+	    {
+	      tx = Transform[0][0] * x + Transform[0][1] * y +
+        	   PenPosition[0];
+	      ty = Transform[1][0] * x + Transform[1][1] * y +
+        	   PenPosition[1];
+	    }
+
+            if (draw)
+              Outputf("%.3f %.3f LI\n", tx, ty);
+            else
+              Outputf("%.3f %.3f MO\n", tx, ty);
+
+	    PenPosition[0] = (float)tx;
+	    PenPosition[1] = (float)ty;
+
+	    draw           = 1;
+	    abscoords      = 0;
+          }
+          else
+          {
+           /*
+            * Junk - ignore...
+            */
+
+            if (*s != '\n' && *s != '\r')
+              fprintf(stderr, "WARNING: ignoring illegal PE char \'%c\'...\n", *s);
+            s ++;
+          }
+          break;
+    }
+
+  if (!PolygonMode)
+    Outputf("ST\n");
+}
+
+
+/*
+ * 'PR_plot_relative()' - Plot a line using relative coordinates.
+ */
+
+void
+PR_plot_relative(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  PenMotion = 1;
+
+  if (num_params > 1)
+    plot_points(num_params, params);
+}
+
+
+/*
+ * 'PU_pen_up()' - Stop drawing.
+ */
+
+void
+PU_pen_up(int     num_params,	/* I - Number of parameters */
+          param_t *params)	/* I - Parameters */
+{
+  PenDown = 0;
+
+  if (num_params > 1)
+    plot_points(num_params, params);
+}
+
+
+/*
+ * 'RT_arc_relative3()' - Draw an arc through 3 points relative to the
+ *                        current pen position.
+ *
+ * Note:
+ *
+ *   This currently only draws two line segments through the specified
+ *   points.
+ */
+
+void
+RT_arc_relative3(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  if (num_params < 4)
+    return;
+
+  if (PenDown)
+  {
+    if (!PolygonMode)
+      Outputf("MP\n");
+
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+
+    PenPosition[0] = Transform[0][0] * params[0].value.number +
+                     Transform[0][1] * params[1].value.number +
+                     PenPosition[0];
+    PenPosition[1] = Transform[1][0] * params[0].value.number +
+                     Transform[1][1] * params[1].value.number +
+                     PenPosition[1];
+
+    Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+  }
+
+  PenPosition[0] = Transform[0][0] * params[2].value.number +
+                   Transform[0][1] * params[3].value.number +
+                   PenPosition[0];
+  PenPosition[1] = Transform[1][0] * params[2].value.number +
+                   Transform[1][1] * params[3].value.number +
+                   PenPosition[1];
+
+  if (PenDown)
+  {
+    Outputf("%.3f %.3f LI\n", PenPosition[0], PenPosition[1]);
+
+    if (!PolygonMode)
+      Outputf("ST\n");
+  }
+}
+
+
+/*
+ * 'decode_number()' - Decode an encoded number.
+ */
+
+static double				/* O - Value */
+decode_number(unsigned char **s,	/* IO - String to decode */
+              int           base_bits,	/* I - Number of data bits per byte */
+	      double        frac_bits)	/* I - Multiplier for fractional data */
+{
+  double	temp,		/* Current value */
+		shift;		/* Multiplier */
+  int		sign;		/* Sign of result */
+
+
+  sign = 0;
+
+  if (base_bits == 5)
+  {
+    for (temp = 0.0, shift = frac_bits * 0.5; **s != '\0'; (*s) ++)
+      if (**s >= 95 && **s < 127)
+      {
+        if (sign == 0)
+        {
+          if ((**s - 95) & 1)
+            sign = -1;
+          else
+            sign = 1;
+
+          temp += ((**s - 95) & ~1) * shift;
+        }
+        else
+          temp += (**s - 95) * shift;
+        break;
+      }
+      else if (**s < 63)
+      {
+        if (**s != '\r' && **s != '\n')
+          fprintf(stderr, "hpgl2ps: Bad PE character \'%c\'!\n", **s);
+
+        continue;
+      }
+      else
+      {
+        if (sign == 0)
+        {
+          if ((**s - 63) & 1)
+            sign = -1;
+          else
+            sign = 1;
+
+          temp += ((**s - 63) & ~1) * shift;
+        }
+        else
+          temp += (**s - 63) * shift;
+
+	shift *= 32.0;
+      }
+  }
+  else
+  {
+    for (temp = 0.0, shift = frac_bits * 0.5; **s != '\0'; (*s) ++)
+      if (**s >= 191 && **s < 255)
+      {
+        if (sign == 0)
+        {
+          if ((**s - 191) & 1)
+            sign = -1;
+          else
+            sign = 1;
+
+          temp += ((**s - 191) & ~1) * shift;
+        }
+        else
+          temp += (**s - 191) * shift;
+        break;
+      }
+      else if (**s < 63)
+      {
+        if (**s != '\r' && **s != '\n')
+          fprintf(stderr, "hpgl2ps: Bad PE character \'%c\'!\n", **s);
+
+        continue;
+      }
+      else
+      {
+        if (sign == 0)
+        {
+          if ((**s - 63) & 1)
+            sign = -1;
+          else
+            sign = 1;
+
+          temp += ((**s - 63) & ~1) * shift;
+        }
+        else
+          temp += (**s - 63) * shift;
+
+        shift *= 64.0;
+      }
+  }
+
+  (*s) ++;
+
+  return (temp * sign);
+}
+
+
+/*
+ * 'plot_points()' - Plot the specified points.
+ */
+
+static void
+plot_points(int     num_params,	/* I - Number of parameters */
+            param_t *params)	/* I - Parameters */
+{
+  int	i;			/* Looping var */
+  float	x, y;			/* Transformed coordinates */
+
+
+  if (PenDown)
+  {
+    if (!PolygonMode)
+      Outputf("MP\n");
+
+    Outputf("%.3f %.3f MO\n", PenPosition[0], PenPosition[1]);
+  }
+
+  for (i = 0; i < num_params; i += 2)
+  {
+    if (PenMotion == 0)
+    {
+      x = Transform[0][0] * params[i + 0].value.number +
+          Transform[0][1] * params[i + 1].value.number +
+          Transform[0][2];
+      y = Transform[1][0] * params[i + 0].value.number +
+          Transform[1][1] * params[i + 1].value.number +
+          Transform[1][2];
+    }
+    else
+    {
+      x = Transform[0][0] * params[i + 0].value.number +
+          Transform[0][1] * params[i + 1].value.number +
+          PenPosition[0];
+      y = Transform[1][0] * params[i + 0].value.number +
+          Transform[1][1] * params[i + 1].value.number +
+          PenPosition[1];
+    }
+
+    if (PenDown)
+      Outputf("%.3f %.3f LI\n", x, y);
+
+    PenPosition[0] = x;
+    PenPosition[1] = y;
+  }
+
+  if (PenDown)
+  {
+    if (!PolygonMode)
+      Outputf("ST\n");
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/hpgltops.h b/filter/hpgltops.h
new file mode 100644
index 000000000..36de1ac77
--- /dev/null
+++ b/filter/hpgltops.h
@@ -0,0 +1,233 @@
+/*
+ * "$Id$"
+ *
+ *   HP-GL/2 to PostScript filter for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+#include <math.h>
+
+#ifndef M_PI
+#  define M_PI	3.14159265358979323846
+#endif /* M_PI */
+
+/*
+ * Parameter value structure...
+ */
+
+typedef struct
+{
+  int	type;
+  union
+  {
+    float	number;
+    char	*string;
+  }	value;
+} param_t;
+
+#define PARAM_ABSOLUTE	0
+#define PARAM_RELATIVE	1
+#define PARAM_STRING	2
+
+
+/*
+ * Font information...
+ */
+
+typedef struct
+{
+  int	typeface,	/* Typeface number */
+	posture,	/* Posture number */
+	weight;		/* Weight number */
+  float	height;		/* Height/size of font */
+  float	x, y;		/* X and Y direction/scaling */
+} font_t;
+
+
+/*
+ * Pen information...
+ */
+
+typedef struct
+{
+  float	rgb[3];		/* Pen color */
+  float	width;		/* Pen width */
+} pen_t;
+
+
+/*
+ * Globals...
+ */
+
+#ifdef _HPGL_MAIN_C_
+#  define VAR
+#  define VALUE(x) =x
+#  define VALUE2(x,y) ={x,y}
+#else
+#  define VAR extern
+#  define VALUE(x)
+#  define VALUE2(x,y)
+#endif /* _HPGL_MAIN_C_ */
+
+VAR ppd_file_t	*PPD VALUE(NULL);		/* PPD file */
+
+VAR float	P1[2],				/* Lower-lefthand physical limit */
+		P2[2],				/* Upper-righthand physical limit */
+		IW1[2],				/* Window lower-lefthand limit */
+		IW2[2];				/* Window upper-righthand limit */
+VAR int		Rotation	VALUE(0);	/* Page rotation */
+VAR int		ScalingType	VALUE(-1);	/* Type of scaling (-1 for none) */
+VAR float	Scaling1[2],			/* Lower-lefthand user limit */
+		Scaling2[2];			/* Upper-righthand user limit */
+VAR float	Transform[2][3];		/* Transform matrix */
+VAR int		PageRotation	VALUE(0);	/* Page/plot rotation */
+
+VAR char	StringTerminator VALUE('\003');	/* Terminator for labels */
+VAR font_t	StandardFont,			/* Standard font */
+		AlternateFont;			/* Alternate font */
+VAR float	PenPosition[2]	VALUE2(0.0f, 0.0f),
+						/* Current pen position */
+		PenScaling	VALUE(1.0f),	/* Pen width scaling factor */
+		PenWidth	VALUE(1.0f);	/* Default pen width */
+VAR pen_t	Pens[1024];			/* State of each pen */
+VAR int		PenMotion	VALUE(0), 	/* 0 = absolute, 1 = relative */
+		PenNumber	VALUE(1),	/* Current pen number */
+		PenCount	VALUE(8),	/* Number of pens */
+		PenDown		VALUE(0),	/* 0 = pen up, 1 = pen down */
+		PolygonMode	VALUE(0),	/* Drawing polygons? */
+		PageCount	VALUE(0),	/* Number of pages in plot */
+		PageDirty	VALUE(0),	/* Current page written on? */
+		WidthUnits	VALUE(0);	/* 0 = mm, 1 = proportionate */
+VAR float	PlotSize[2]	VALUE2(2592.0f, 3456.0f);
+						/* Plot size */
+VAR int		PlotSizeSet	VALUE(0);	/* Plot size set? */
+VAR int		CharFillMode	VALUE(0),	/* Where to draw labels */
+		CharPen		VALUE(0),	/* Pen to use for labels */
+		CharFont	VALUE(0);	/* Font to use for labels */
+VAR float	CharHeight[2]	VALUE2(11.5f,11.5f);
+						/* Size of font for labels */
+VAR int		FitPlot		VALUE(0);	/* 1 = fit to page */
+VAR float	ColorRange[3][2]		/* Range of color values */
+#ifdef _HPGL_MAIN_C_
+		= {
+		  { 0.0, 255.0 },
+		  { 0.0, 255.0 },
+		  { 0.0, 255.0 }
+		}
+#endif /* _HPGL_MAIN_C_ */
+;
+
+VAR int		LineCap		VALUE(0);	/* Line capping */
+VAR int		LineJoin	VALUE(0);	/* Line joining */
+VAR float	MiterLimit	VALUE(3.0f);	/* Miter limit at joints */
+
+
+/*
+ * Prototypes...
+ */
+
+/* hpgl-input.c */
+extern int	ParseCommand(FILE *fp, char *name, param_t **params);
+extern void	FreeParameters(int num_params, param_t *params);
+
+/* hpgl-config.c */
+extern void	update_transform(void);
+extern void	BP_begin_plot(int num_params, param_t *params);
+extern void	DF_default_values(int num_params, param_t *params);
+extern void	IN_initialize(int num_params, param_t *params);
+extern void	IP_input_absolute(int num_params, param_t *params);
+extern void	IR_input_relative(int num_params, param_t *params);
+extern void	IW_input_window(int num_params, param_t *params);
+extern void	PG_advance_page(int num_params, param_t *params);
+extern void	PS_plot_size(int num_params, param_t *params);
+extern void	RO_rotate(int num_params, param_t *params);
+extern void	RP_replot(int num_params, param_t *params);
+extern void	SC_scale(int num_params, param_t *params);
+
+/* hpgl-vector.c */
+extern void	AA_arc_absolute(int num_params, param_t *params);
+extern void	AR_arc_relative(int num_params, param_t *params);
+extern void	AT_arc_absolute3(int num_params, param_t *params);
+extern void	CI_circle(int num_params, param_t *params);
+extern void	PA_plot_absolute(int num_params, param_t *params);
+extern void	PD_pen_down(int num_params, param_t *params);
+extern void	PE_polyline_encoded(int num_params, param_t *params);
+extern void	PR_plot_relative(int num_params, param_t *params);
+extern void	PU_pen_up(int num_params, param_t *params);
+extern void	RT_arc_relative3(int num_params, param_t *params);
+
+/* hpgl-polygon.c */
+extern void	EA_edge_rect_absolute(int num_params, param_t *params);
+extern void	EP_edge_polygon(int num_params, param_t *params);
+extern void	ER_edge_rect_relative(int num_params, param_t *params);
+extern void	EW_edge_wedge(int num_params, param_t *params);
+extern void	FP_fill_polygon(int num_params, param_t *params);
+extern void	PM_polygon_mode(int num_params, param_t *params);
+extern void	RA_fill_rect_absolute(int num_params, param_t *params);
+extern void	RR_fill_rect_relative(int num_params, param_t *params);
+extern void	WG_fill_wedge(int num_params, param_t *params);
+
+/* hpgl-char.c */
+extern void	AD_define_alternate(int num_params, param_t *params);
+extern void	CF_character_fill(int num_params, param_t *params);
+extern void	CP_character_plot(int num_params, param_t *params);
+extern void	DI_absolute_direction(int num_params, param_t *params);
+extern void	DR_relative_direction(int num_params, param_t *params);
+extern void	DT_define_label_term(int num_params, param_t *params);
+extern void	DV_define_variable_path(int num_params, param_t *params);
+extern void	ES_extra_space(int num_params, param_t *params);
+extern void	LB_label(int num_params, param_t *params);
+extern void	LO_label_origin(int num_params, param_t *params);
+extern void	SA_select_alternate(int num_params, param_t *params);
+extern void	SD_define_standard(int num_params, param_t *params);
+extern void	SI_absolute_size(int num_params, param_t *params);
+extern void	SL_character_slant(int num_params, param_t *params);
+extern void	SR_relative_size(int num_params, param_t *params);
+extern void	SS_select_standard(int num_params, param_t *params);
+extern void	TD_transparent_data(int num_params, param_t *params);
+
+/* hpgl-attr.c */
+extern void	AC_anchor_corner(int num_params, param_t *params);
+extern void	CR_color_range(int num_params, param_t *params);
+extern void	FT_fill_type(int num_params, param_t *params);
+extern void	LA_line_attributes(int num_params, param_t *params);
+extern void	LT_line_type(int num_params, param_t *params);
+extern void	NP_number_pens(int num_params, param_t *params);
+extern void	PC_pen_color(int num_params, param_t *params);
+extern void	PW_pen_width(int num_params, param_t *params);
+extern void	RF_raster_fill(int num_params, param_t *params);
+extern void	SM_symbol_mode(int num_params, param_t *params);
+extern void	SP_select_pen(int num_params, param_t *params);
+extern void	UL_user_line_type(int num_params, param_t *params);
+extern void	WU_width_units(int num_params, param_t *params);
+
+/* hpgl-prolog.c */
+extern void	OutputProlog(char *title, char *user, int shading);
+extern void	OutputTrailer(void);
+extern int	Outputf(const char *format, ...);
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-bmp.c b/filter/image-bmp.c
new file mode 100644
index 000000000..663460597
--- /dev/null
+++ b/filter/image-bmp.c
@@ -0,0 +1,510 @@
+/*
+ * "$Id$"
+ *
+ *   BMP image routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadBMP() - Read a BMP image file.
+ *   read_word()    - Read a 16-bit unsigned integer.
+ *   read_dword()   - Read a 32-bit unsigned integer.
+ *   read_long()    - Read a 32-bit signed integer.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+
+/*
+ * Constants for the bitmap compression...
+ */
+
+#  define BI_RGB       0             /* No compression - straight BGR data */
+#  define BI_RLE8      1             /* 8-bit run-length compression */
+#  define BI_RLE4      2             /* 4-bit run-length compression */
+#  define BI_BITFIELDS 3             /* RGB bitmap with RGB masks */
+
+
+/*
+ * Local functions...
+ */
+
+static unsigned short read_word(FILE *fp);
+static unsigned int   read_dword(FILE *fp);
+static int            read_long(FILE *fp);
+
+
+/*
+ * 'ImageReadBMP()' - Read a BMP image file.
+ */
+
+int					/* O - Read status */
+ImageReadBMP(image_t    *img,		/* IO - Image */
+             FILE       *fp,		/* I - Image file */
+             int        primary,	/* I - Primary choice for colorspace */
+             int        secondary,	/* I - Secondary choice for colorspace */
+             int        saturation,	/* I - Color saturation (%) */
+             int        hue,		/* I - Color hue (degrees) */
+	     const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  int		offset,			/* Offset to bitmap data */
+		info_size,		/* Size of info header */
+		planes,			/* Number of planes (always 1) */
+		depth,			/* Depth of image (bits) */
+		compression,		/* Type of compression */
+		image_size,		/* Size of image in bytes */
+		colors_used,		/* Number of colors used */
+		colors_important,	/* Number of important colors */
+		bpp,			/* Bytes per pixel */
+		x, y,			/* Looping vars */
+		color,			/* Color of RLE pixel */
+		count,			/* Number of times to repeat */
+		temp,			/* Temporary color */
+		align;			/* Alignment bytes */
+  ib_t		bit,			/* Bit in image */
+		byte;			/* Byte in image */
+  ib_t		*in,			/* Input pixels */
+		*out,			/* Output pixels */
+		*ptr;			/* Pointer into pixels */
+  ib_t		colormap[256][4];	/* Colormap */
+
+
+  (void)secondary;
+
+ /*
+  * Get the header...
+  */
+
+  getc(fp);		/* Skip "BM" sync chars */
+  getc(fp);
+  read_dword(fp);	/* Skip size */
+  read_word(fp);	/* Skip reserved stuff */
+  read_word(fp);
+  offset = read_dword(fp);
+
+  fprintf(stderr, "offset = %d\n", offset);
+
+ /*
+  * Then the bitmap information...
+  */
+
+  info_size        = read_dword(fp);
+  img->xsize       = read_long(fp);
+  img->ysize       = read_long(fp);
+  planes           = read_word(fp);
+  depth            = read_word(fp);
+  compression      = read_dword(fp);
+  image_size       = read_dword(fp);
+  img->xppi        = read_long(fp) * 0.0254 + 0.5;
+  img->yppi        = read_long(fp) * 0.0254 + 0.5;
+  colors_used      = read_dword(fp);
+  colors_important = read_dword(fp);
+
+ /*
+  * Make sure the resolution info is valid...
+  */
+
+  if (img->xppi == 0)
+    img->xppi = 128;
+  if (img->yppi == 0)
+    img->yppi = 128;
+
+  fprintf(stderr, "info_size = %d, xsize = %d, ysize = %d, planes = %d, depth = %d\n",
+          info_size, img->xsize, img->ysize, planes, depth);
+  fprintf(stderr, "compression = %d, image_size = %d, xppi = %d, yppi = %d\n",
+          compression, image_size, img->xppi, img->yppi);
+  fprintf(stderr, "colors_used = %d, colors_important = %d\n", colors_used,
+          colors_important);
+
+  if (info_size > 40)
+    for (info_size -= 40; info_size > 0; info_size --)
+      getc(fp);
+
+ /*
+  * Get colormap...
+  */
+
+  if (colors_used == 0 && depth <= 8)
+    colors_used = 1 << depth;
+
+  fread(colormap, colors_used, 4, fp);
+
+ /*
+  * Setup image and buffers...
+  */
+
+  img->colorspace = primary;
+
+  ImageSetMaxTiles(img, 0);
+
+  in  = malloc(img->xsize * 3);
+  bpp = ImageGetDepth(img);
+  out = malloc(img->xsize * bpp);
+
+ /*
+  * Read the image data...
+  */
+
+  color = 0;
+  count = 0;
+  align = 0;
+
+  for (y = img->ysize - 1; y >= 0; y --)
+  {
+    if (img->colorspace == IMAGE_RGB)
+      ptr = out;
+    else
+      ptr = in;
+
+    switch (depth)
+    {
+      case 1 : /* Bitmap */
+          for (x = img->xsize, bit = 128, byte = 0; x > 0; x --)
+	  {
+	    if (bit == 128)
+	      byte = getc(fp);
+
+	    if (byte & bit)
+	    {
+	      *ptr++ = colormap[1][2];
+	      *ptr++ = colormap[1][1];
+	      *ptr++ = colormap[1][0];
+	    }
+	    else
+	    {
+	      *ptr++ = colormap[0][2];
+	      *ptr++ = colormap[0][1];
+	      *ptr++ = colormap[0][0];
+	    }
+
+	    if (bit > 1)
+	      bit >>= 1;
+	    else
+	      bit = 128;
+	  }
+
+         /*
+	  * Read remaining bytes to align to 32 bits...
+	  */
+
+	  for (temp = (img->xsize + 7) / 8; temp & 3; temp ++)
+	    getc(fp);
+          break;
+
+      case 4 : /* 16-color */
+          for (x = img->xsize, bit = 0xf0, temp = 0; x > 0; x --)
+	  {
+	   /*
+	    * Get a new count as needed...
+	    */
+
+            if (compression != BI_RLE4 && count == 0)
+	    {
+	      count = 2;
+	      color = -1;
+            }
+
+	    if (count == 0)
+	    {
+	      while (align > 0)
+	      {
+	        align --;
+		getc(fp);
+              }
+
+	      if ((count = getc(fp)) == 0)
+	      {
+		if ((count = getc(fp)) == 0)
+		{
+		 /*
+		  * End of line...
+		  */
+
+                  x ++;
+		  continue;
+		}
+		else if (count == 1)
+		{
+		 /*
+		  * End of image...
+		  */
+
+		  break;
+		}
+		else if (count == 2)
+		{
+		 /*
+		  * Delta...
+		  */
+
+		  count = getc(fp) * getc(fp) * img->xsize;
+		  color = 0;
+		}
+		else
+		{
+		 /*
+		  * Absolute...
+		  */
+
+		  color = -1;
+		  align = ((4 - (count & 3)) / 2) & 1;
+		}
+	      }
+	      else
+	        color = getc(fp);
+            }
+
+           /*
+	    * Get a new color as needed...
+	    */
+
+	    count --;
+
+            if (bit == 0xf0)
+	    {
+              if (color < 0)
+		temp = getc(fp);
+	      else
+		temp = color;
+
+             /*
+	      * Copy the color value...
+	      */
+
+	      *ptr++ = colormap[temp >> 4][2];
+	      *ptr++ = colormap[temp >> 4][1];
+	      *ptr++ = colormap[temp >> 4][0];
+	      bit    = 0x0f;
+            }
+	    else
+	    {
+             /*
+	      * Copy the color value...
+	      */
+
+	      *ptr++ = colormap[temp & 15][2];
+	      *ptr++ = colormap[temp & 15][1];
+	      *ptr++ = colormap[temp & 15][0];
+	      bit    = 0xf0;
+	    }
+	  }
+          break;
+
+      case 8 : /* 256-color */
+          for (x = img->xsize; x > 0; x --)
+	  {
+	   /*
+	    * Get a new count as needed...
+	    */
+
+            if (compression != BI_RLE8)
+	    {
+	      count = 1;
+	      color = -1;
+            }
+
+	    if (count == 0)
+	    {
+	      while (align > 0)
+	      {
+	        align --;
+		getc(fp);
+              }
+
+	      if ((count = getc(fp)) == 0)
+	      {
+		if ((count = getc(fp)) == 0)
+		{
+		 /*
+		  * End of line...
+		  */
+
+                  x ++;
+		  continue;
+		}
+		else if (count == 1)
+		{
+		 /*
+		  * End of image...
+		  */
+
+		  break;
+		}
+		else if (count == 2)
+		{
+		 /*
+		  * Delta...
+		  */
+
+		  count = getc(fp) * getc(fp) * img->xsize;
+		  color = 0;
+		}
+		else
+		{
+		 /*
+		  * Absolute...
+		  */
+
+		  color = -1;
+		  align = (2 - (count & 1)) & 1;
+		}
+	      }
+	      else
+	        color = getc(fp);
+            }
+
+           /*
+	    * Get a new color as needed...
+	    */
+
+            if (color < 0)
+	      temp = getc(fp);
+	    else
+	      temp = color;
+
+            count --;
+
+           /*
+	    * Copy the color value...
+	    */
+
+	    *ptr++ = colormap[temp][2];
+	    *ptr++ = colormap[temp][1];
+	    *ptr++ = colormap[temp][0];
+	  }
+          break;
+
+      case 24 : /* 24-bit RGB */
+          for (x = img->xsize; x > 0; x --, ptr += 3)
+	  {
+	    ptr[2] = getc(fp);
+	    ptr[1] = getc(fp);
+	    ptr[0] = getc(fp);
+	  }
+
+         /*
+	  * Read remaining bytes to align to 32 bits...
+	  */
+
+	  for (temp = img->xsize * 3; temp & 3; temp ++)
+	    getc(fp);
+          break;
+    }
+
+    if (img->colorspace == IMAGE_RGB)
+    {
+      if (saturation != 100 || hue != 0)
+	ImageRGBAdjust(out, img->xsize, saturation, hue);
+    }
+    else
+    {
+      if (saturation != 100 || hue != 0)
+	ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+      switch (img->colorspace)
+      {
+	case IMAGE_WHITE :
+	    ImageRGBToWhite(in, out, img->xsize);
+	    break;
+	case IMAGE_BLACK :
+	    ImageRGBToBlack(in, out, img->xsize);
+	    break;
+	case IMAGE_CMY :
+	    ImageRGBToCMY(in, out, img->xsize);
+	    break;
+	case IMAGE_CMYK :
+	    ImageRGBToCMYK(in, out, img->xsize);
+	    break;
+      }
+    }
+
+    if (lut)
+      ImageLut(out, img->xsize * bpp, lut);
+
+    ImagePutRow(img, 0, y, img->xsize, out);
+  }
+
+  fclose(fp);
+  free(in);
+  free(out);
+
+  return (0);
+}
+
+
+/*
+ * 'read_word()' - Read a 16-bit unsigned integer.
+ */
+
+static unsigned short     /* O - 16-bit unsigned integer */
+read_word(FILE *fp)       /* I - File to read from */
+{
+  unsigned char b0, b1; /* Bytes from file */
+
+  b0 = getc(fp);
+  b1 = getc(fp);
+
+  return ((b1 << 8) | b0);
+}
+
+
+/*
+ * 'read_dword()' - Read a 32-bit unsigned integer.
+ */
+
+static unsigned int               /* O - 32-bit unsigned integer */
+read_dword(FILE *fp)              /* I - File to read from */
+{
+  unsigned char b0, b1, b2, b3; /* Bytes from file */
+
+  b0 = getc(fp);
+  b1 = getc(fp);
+  b2 = getc(fp);
+  b3 = getc(fp);
+
+  return ((((((b3 << 8) | b2) << 8) | b1) << 8) | b0);
+}
+
+
+/*
+ * 'read_long()' - Read a 32-bit signed integer.
+ */
+
+static int                        /* O - 32-bit signed integer */
+read_long(FILE *fp)               /* I - File to read from */
+{
+  unsigned char b0, b1, b2, b3; /* Bytes from file */
+
+  b0 = getc(fp);
+  b1 = getc(fp);
+  b2 = getc(fp);
+  b3 = getc(fp);
+
+  return ((int)(((((b3 << 8) | b2) << 8) | b1) << 8) | b0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-colorspace.c b/filter/image-colorspace.c
new file mode 100644
index 000000000..1c0a53748
--- /dev/null
+++ b/filter/image-colorspace.c
@@ -0,0 +1,926 @@
+/*
+ * "$Id$"
+ *
+ *   Colorspace conversions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageSetProfile()   - Set the device color profile.
+ *   ImageWhiteToWhite() - Convert luminance colors to device-dependent
+ *   ImageWhiteToRGB()   - Convert luminance data to RGB.
+ *   ImageWhiteToBlack() - Convert luminance colors to black.
+ *   ImageWhiteToCMY()   - Convert luminance colors to CMY.
+ *   ImageWhiteToCMYK()  - Convert luminance colors to CMYK.
+ *   ImageRGBToBlack()   - Convert RGB data to black.
+ *   ImageRGBToCMY()     - Convert RGB colors to CMY.
+ *   ImageRGBToCMYK()    - Convert RGB colors to CMYK.
+ *   ImageRGBToWhite()   - Convert RGB colors to luminance.
+ *   ImageRGBToRGB()     - Convert RGB colors to device-dependent RGB.
+ *   ImageLut()          - Adjust all pixel values with the given LUT.
+ *   ImageRGBAdjust()    - Adjust the hue and saturation of the given RGB
+ *                         colors.
+ *   huerotate()         - Rotate the hue, maintaining luminance.
+ *   ident()             - Make an identity matrix.
+ *   mult()              - Multiply two matrices.
+ *   saturate()          - Make a saturation matrix.
+ *   xform()             - Transform a 3D point using a matrix...
+ *   xrotate()           - Rotate about the x (red) axis...
+ *   yrotate()           - Rotate about the y (green) axis...
+ *   zrotate()           - Rotate about the z (blue) axis...
+ *   zshear()            - Shear z using x and y...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+#include <math.h>
+
+
+/*
+ * Define some math constants that are required...
+ */
+
+#ifndef M_PI
+#  define M_PI		3.14159265358979323846
+#endif /* !M_PI */
+
+#ifndef M_SQRT2
+#  define M_SQRT2	1.41421356237309504880
+#endif /* !M_SQRT2 */
+
+#ifndef M_SQRT1_2
+#  define M_SQRT1_2	0.70710678118654752440
+#endif /* !M_SQRT1_2 */
+
+
+/*
+ * Local globals...
+ */
+
+static int	ImageHaveProfile = 0;	/* Do we have a color profile? */
+static int	ImageDensity[256];	/* Ink/marker density LUT */
+static int	ImageMatrix[3][3][256];	/* Color transform matrix LUT */
+
+
+/*
+ * Local functions...
+ */
+
+static void	huerotate(float [3][3], float);
+static void	ident(float [3][3]);
+static void	mult(float [3][3], float [3][3], float [3][3]);
+static void	saturate(float [3][3], float);
+static void	xform(float [3][3], float, float, float, float *, float *, float *);
+static void	xrotate(float [3][3], float, float);
+static void	yrotate(float [3][3], float, float);
+static void	zrotate(float [3][3], float, float);
+static void	zshear(float [3][3], float, float);
+
+
+/*
+ * 'ImageSetProfile()' - Set the device color profile.
+ */
+
+void
+ImageSetProfile(float d,		/* I - Ink/marker density */
+                float g,		/* I - Ink/marker gamma */
+                float matrix[3][3])	/* I - Color transform matrix */
+{
+  int		i, j, k;		/* Looping vars */
+  float		m;			/* Current matrix value */
+  int		*im;			/* Pointer into ImageMatrix */
+
+  ImageHaveProfile  = 1;
+
+  for (i = 0, im = ImageMatrix[0][0]; i < 3; i ++)
+    for (j = 0; j < 3; j ++)
+      for (k = 0, m = matrix[i][j]; k < 256; k ++)
+        *im++ = (int)(k * m + 0.5);
+
+  for (k = 0, im = ImageDensity; k < 256; k ++)
+    *im++ = 255.0 * d * pow((float)k / 255.0, g) + 0.5;
+}
+
+
+/*
+ * 'ImageWhiteToWhite()' - Convert luminance colors to device-dependent
+ *                         luminance.
+ */
+
+void
+ImageWhiteToWhite(const ib_t *in,	/* I - Input pixels */
+                  ib_t       *out,	/* I - Output pixels */
+                  int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      *out++ = 255 - ImageDensity[255 - *in++];
+      count --;
+    }
+  else if (in != out)
+    memcpy(out, in, count);
+}
+
+
+/*
+ * 'ImageWhiteToRGB()' - Convert luminance data to RGB.
+ */
+
+void
+ImageWhiteToRGB(const ib_t *in,		/* I - Input pixels */
+                ib_t       *out,	/* I - Output pixels */
+                int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      out[0] = 255 - ImageDensity[255 - *in++];
+      out[1] = out[0];
+      out[2] = out[0];
+      out += 3;
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      *out++ = *in;
+      *out++ = *in;
+      *out++ = *in++;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageWhiteToBlack()' - Convert luminance colors to black.
+ */
+
+void
+ImageWhiteToBlack(const ib_t *in,	/* I - Input pixels */
+                  ib_t       *out,	/* I - Output pixels */
+                  int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      *out++ = ImageDensity[255 - *in++];
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      *out++ = 255 - *in++;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageWhiteToCMY()' - Convert luminance colors to CMY.
+ */
+
+void
+ImageWhiteToCMY(const ib_t *in,		/* I - Input pixels */
+                ib_t       *out,	/* I - Output pixels */
+                int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      out[0] = ImageDensity[255 - *in++];
+      out[1] = out[0];
+      out[2] = out[0];
+      out += 3;
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      *out++ = 255 - *in;
+      *out++ = 255 - *in;
+      *out++ = 255 - *in++;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageWhiteToCMYK()' - Convert luminance colors to CMYK.
+ */
+
+void
+ImageWhiteToCMYK(const ib_t *in,	/* I - Input pixels */
+                 ib_t       *out,	/* I - Output pixels */
+                 int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      *out++ = 0;
+      *out++ = 0;
+      *out++ = 0;
+      *out++ = ImageDensity[255 - *in++];
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      *out++ = 0;
+      *out++ = 0;
+      *out++ = 0;
+      *out++ = 255 - *in++;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageRGBToBlack()' - Convert RGB data to black.
+ */
+
+void
+ImageRGBToBlack(const ib_t *in,		/* I - Input pixels */
+                ib_t       *out,	/* I - Output pixels */
+                int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      *out++ = ImageDensity[255 - (31 * in[0] + 61 * in[1] + 8 * in[2]) / 100];
+      in += 3;
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      *out++ = 255 - (31 * in[0] + 61 * in[1] + 8 * in[2]) / 100;
+      in += 3;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageRGBToCMY()' - Convert RGB colors to CMY.
+ */
+
+void
+ImageRGBToCMY(const ib_t *in,	/* I - Input pixels */
+              ib_t       *out,	/* I - Output pixels */
+              int        count)	/* I - Number of pixels */
+{
+  int	c, m, y, k;		/* CMYK values */
+  int	cc, cm, cy;		/* Calibrated CMY values */
+
+
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      c = 255 - *in++;
+      m = 255 - *in++;
+      y = 255 - *in++;
+      k = min(c, min(m, y));
+      c -= k;
+      m -= k;
+      y -= k;
+
+      cc = ImageMatrix[0][0][c] +
+           ImageMatrix[0][1][m] +
+	   ImageMatrix[0][2][y] + k;
+      cm = ImageMatrix[1][0][c] +
+           ImageMatrix[1][1][m] +
+	   ImageMatrix[1][2][y] + k;
+      cy = ImageMatrix[2][0][c] +
+           ImageMatrix[2][1][m] +
+	   ImageMatrix[2][2][y] + k;
+
+      if (cc < 0)
+        *out++ = 0;
+      else if (cc > 255)
+        *out++ = ImageDensity[255];
+      else
+        *out++ = ImageDensity[cc];
+
+      if (cm < 0)
+        *out++ = 0;
+      else if (cm > 255)
+        *out++ = ImageDensity[255];
+      else
+        *out++ = ImageDensity[cm];
+
+      if (cy < 0)
+        *out++ = 0;
+      else if (cy > 255)
+        *out++ = ImageDensity[255];
+      else
+        *out++ = ImageDensity[cy];
+
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      c    = 255 - in[0];
+      m    = 255 - in[1];
+      y    = 255 - in[2];
+      k    = min(c, min(m, y));
+
+      *out++ = (255 - in[1] / 4) * (c - k) / 255 + k;
+      *out++ = (255 - in[2] / 4) * (m - k) / 255 + k;
+      *out++ = (255 - in[0] / 4) * (y - k) / 255 + k;
+      in += 3;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageRGBToCMYK()' - Convert RGB colors to CMYK.
+ */
+
+void
+ImageRGBToCMYK(const ib_t *in,	/* I - Input pixels */
+               ib_t       *out,	/* I - Output pixels */
+               int        count)/* I - Number of pixels */
+{
+  int	c, m, y, k,		/* CMYK values */
+	km;			/* Maximum K value */
+  int	cc, cm, cy;		/* Calibrated CMY values */
+
+
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      c = 255 - *in++;
+      m = 255 - *in++;
+      y = 255 - *in++;
+      k = min(c, min(m, y));
+
+      if ((km = max(c, max(m, y))) > k)
+        k = k * k * k / (km * km);
+
+      c -= k;
+      m -= k;
+      y -= k;
+
+      cc = (ImageMatrix[0][0][c] +
+            ImageMatrix[0][1][m] +
+	    ImageMatrix[0][2][y]);
+      cm = (ImageMatrix[1][0][c] +
+            ImageMatrix[1][1][m] +
+	    ImageMatrix[1][2][y]);
+      cy = (ImageMatrix[2][0][c] +
+            ImageMatrix[2][1][m] +
+	    ImageMatrix[2][2][y]);
+
+      if (cc < 0)
+        *out++ = 0;
+      else if (cc > 255)
+        *out++ = ImageDensity[255];
+      else
+        *out++ = ImageDensity[cc];
+
+      if (cm < 0)
+        *out++ = 0;
+      else if (cm > 255)
+        *out++ = ImageDensity[255];
+      else
+        *out++ = ImageDensity[cm];
+
+      if (cy < 0)
+        *out++ = 0;
+      else if (cy > 255)
+        *out++ = ImageDensity[255];
+      else
+        *out++ = ImageDensity[cy];
+
+      *out++ = ImageDensity[k];
+
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      c = 255 - *in++;
+      m = 255 - *in++;
+      y = 255 - *in++;
+      k = min(c, min(m, y));
+
+      if ((km = max(c, max(m, y))) > k)
+        k = k * k * k / (km * km);
+
+      c -= k;
+      m -= k;
+      y -= k;
+
+      *out++ = c;
+      *out++ = m;
+      *out++ = y;
+      *out++ = k;
+
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageRGBToWhite()' - Convert RGB colors to luminance.
+ */
+
+void
+ImageRGBToWhite(const ib_t *in,		/* I - Input pixels */
+                ib_t       *out,	/* I - Output pixels */
+                int        count)	/* I - Number of pixels */
+{
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      *out++ = 255 - ImageDensity[255 - (31 * in[0] + 61 * in[1] + 8 * in[2]) / 100];
+      in += 3;
+      count --;
+    }
+  else
+    while (count > 0)
+    {
+      *out++ = (31 * in[0] + 61 * in[1] + 8 * in[2]) / 100;
+      in += 3;
+      count --;
+    }
+}
+
+
+/*
+ * 'ImageRGBToRGB()' - Convert RGB colors to device-dependent RGB.
+ */
+
+void
+ImageRGBToRGB(const ib_t *in,	/* I - Input pixels */
+              ib_t       *out,	/* I - Output pixels */
+              int        count)	/* I - Number of pixels */
+{
+  int	c, m, y, k;		/* CMYK values */
+  int	cr, cg, cb;		/* Calibrated RGB values */
+
+
+  if (ImageHaveProfile)
+    while (count > 0)
+    {
+      c = 255 - *in++;
+      m = 255 - *in++;
+      y = 255 - *in++;
+      k = min(c, min(m, y));
+      c -= k;
+      m -= k;
+      y -= k;
+
+      cr = ImageMatrix[0][0][c] +
+           ImageMatrix[0][1][m] +
+           ImageMatrix[0][2][y] + k;
+      cg = ImageMatrix[1][0][c] +
+           ImageMatrix[1][1][m] +
+	   ImageMatrix[1][2][y] + k;
+      cb = ImageMatrix[2][0][c] +
+           ImageMatrix[2][1][m] +
+	   ImageMatrix[2][2][y] + k;
+
+      if (cr < 0)
+        *out++ = 255;
+      else if (cr > 255)
+        *out++ = 255 - ImageDensity[255];
+      else
+        *out++ = 255 - ImageDensity[cr];
+
+      if (cg < 0)
+        *out++ = 255;
+      else if (cg > 255)
+        *out++ = 255 - ImageDensity[255];
+      else
+        *out++ = 255 - ImageDensity[cg];
+
+      if (cb < 0)
+        *out++ = 255;
+      else if (cb > 255)
+        *out++ = 255 - ImageDensity[255];
+      else
+        *out++ = 255 - ImageDensity[cb];
+
+      count --;
+    }
+  else if (in != out)
+    memcpy(out, in, count * 3);
+}
+
+
+/*
+ * 'ImageLut()' - Adjust all pixel values with the given LUT.
+ */
+
+void
+ImageLut(ib_t       *pixels,	/* IO - Input/output pixels */
+         int        count,	/* I - Number of pixels/bytes to adjust */
+         const ib_t *lut)	/* I - Lookup table */
+{
+  while (count > 0)
+  {
+    *pixels = lut[*pixels];
+    pixels ++;
+    count --;
+  }
+}
+
+
+/*
+ * 'ImageRGBAdjust()' - Adjust the hue and saturation of the given RGB colors.
+ */
+
+void
+ImageRGBAdjust(ib_t *pixels,	/* IO - Input/output pixels */
+               int  count,	/* I - Number of pixels to adjust */
+               int  saturation,	/* I - Color saturation (%) */
+               int  hue)	/* I - Color hue (degrees) */
+{
+  int		i, j, k;	/* Looping vars */
+  float		mat[3][3];	/* Color adjustment matrix */
+  static int	last_sat = 100,	/* Last saturation used */
+		last_hue = 0;	/* Last hue used */
+  static int	lut[3][3][256];	/* Lookup table for matrix */
+
+
+  if (saturation != last_sat ||
+      hue != last_hue)
+  {
+   /*
+    * Build the color adjustment matrix...
+    */
+
+    ident(mat);
+    saturate(mat, saturation * 0.01);
+    huerotate(mat, (float)hue);
+
+   /*
+    * Convert the matrix into a 3x3 array of lookup tables...
+    */
+
+    for (i = 0; i < 3; i ++)
+      for (j = 0; j < 3; j ++)
+        for (k = 0; k < 256; k ++)
+          lut[i][j][k] = mat[i][j] * k + 0.5;
+
+   /*
+    * Save the saturation and hue to compare later...
+    */
+
+    last_sat = saturation;
+    last_hue = hue;
+  }
+
+ /*
+  * Adjust each pixel in the given buffer.
+  */
+
+  while (count > 0)
+  {
+    i = lut[0][0][pixels[0]] +
+        lut[1][0][pixels[1]] +
+        lut[2][0][pixels[2]];
+    if (i < 0)
+      pixels[0] = 0;
+    else if (i > 255)
+      pixels[0] = 255;
+    else
+      pixels[0] = i;
+
+    i = lut[0][1][pixels[0]] +
+        lut[1][1][pixels[1]] +
+        lut[2][1][pixels[2]];
+    if (i < 0)
+      pixels[1] = 0;
+    else if (i > 255)
+      pixels[1] = 255;
+    else
+      pixels[1] = i;
+
+    i = lut[0][2][pixels[0]] +
+        lut[1][2][pixels[1]] +
+        lut[2][2][pixels[2]];
+    if (i < 0)
+      pixels[2] = 0;
+    else if (i > 255)
+      pixels[2] = 255;
+    else
+      pixels[2] = i;
+
+    count --;
+    pixels += 3;
+  }
+}
+
+
+/*
+ * The color saturation/hue matrix stuff is provided thanks to Mr. Paul
+ * Haeberli at "http://www.sgi.com/grafica/matrix/index.html".
+ */
+
+/* 
+ * 'huerotate()' - Rotate the hue, maintaining luminance.
+ */
+
+static void
+huerotate(float mat[3][3],	/* I - Matrix to append to */
+          float rot)		/* I - Hue rotation in degrees */
+{
+  float hmat[3][3];		/* Hue matrix */
+  float lx, ly, lz;		/* Luminance vector */
+  float xrs, xrc;		/* X rotation sine/cosine */
+  float yrs, yrc;		/* Y rotation sine/cosine */
+  float zrs, zrc;		/* Z rotation sine/cosine */
+  float zsx, zsy;		/* Z shear x/y */
+
+
+ /*
+  * Load the identity matrix...
+  */
+
+  ident(hmat);
+
+ /*
+  * Rotate the grey vector into positive Z...
+  */
+
+  xrs = M_SQRT1_2;
+  xrc = M_SQRT1_2;
+  xrotate(hmat,xrs,xrc);
+
+  yrs = -1.0 / sqrt(3.0);
+  yrc = -M_SQRT2 * yrs;
+  yrotate(hmat,yrs,yrc);
+
+ /*
+  * Shear the space to make the luminance plane horizontal...
+  */
+
+  xform(hmat, 0.3086, 0.6094, 0.0820, &lx, &ly, &lz);
+  zsx = lx / lz;
+  zsy = ly / lz;
+  zshear(hmat, zsx, zsy);
+
+ /*
+  * Rotate the hue...
+  */
+
+  zrs = sin(rot * M_PI / 180.0);
+  zrc = cos(rot * M_PI / 180.0);
+
+  zrotate(hmat, zrs, zrc);
+
+ /*
+  * Unshear the space to put the luminance plane back...
+  */
+
+  zshear(hmat, -zsx, -zsy);
+
+ /*
+  * Rotate the grey vector back into place...
+  */
+
+  yrotate(hmat, -yrs, yrc);
+  xrotate(hmat, -xrs, xrc);
+
+ /*
+  * Append it to the current matrix...
+  */
+
+  mult(hmat, mat, mat);
+}
+
+
+/* 
+ * 'ident()' - Make an identity matrix.
+ */
+
+static void
+ident(float mat[3][3])	/* I - Matrix to identify */
+{
+  mat[0][0] = 1.0;
+  mat[0][1] = 0.0;
+  mat[0][2] = 0.0;
+  mat[1][0] = 0.0;
+  mat[1][1] = 1.0;
+  mat[1][2] = 0.0;
+  mat[2][0] = 0.0;
+  mat[2][1] = 0.0;
+  mat[2][2] = 1.0;
+}
+
+
+/* 
+ * 'mult()' - Multiply two matrices.
+ */
+
+static void
+mult(float a[3][3],	/* I - First matrix */
+     float b[3][3],	/* I - Second matrix */
+     float c[3][3])	/* I - Destination matrix */
+{
+  int	x, y;		/* Looping vars */
+  float	temp[3][3];	/* Temporary matrix */
+
+
+ /*
+  * Multiply a and b, putting the result in temp...
+  */
+
+  for (y = 0; y < 3; y ++)
+    for (x = 0; x < 3; x ++)
+      temp[y][x] = b[y][0] * a[0][x] +
+                   b[y][1] * a[1][x] +
+                   b[y][2] * a[2][x];
+
+ /*
+  * Copy temp to c (that way c can be a pointer to a or b).
+  */
+
+  memcpy(c, temp, sizeof(temp));
+}
+
+
+/* 
+ * 'saturate()' - Make a saturation matrix.
+ */
+
+static void
+saturate(float mat[3][3],	/* I - Matrix to append to */
+         float sat)		/* I - Desired color saturation */
+{
+  float	smat[3][3];		/* Saturation matrix */
+
+
+  smat[0][0] = (1.0 - sat) * 0.3086 + sat;
+  smat[0][1] = (1.0 - sat) * 0.3086;
+  smat[0][2] = (1.0 - sat) * 0.3086;
+  smat[1][0] = (1.0 - sat) * 0.6094;
+  smat[1][1] = (1.0 - sat) * 0.6094 + sat;
+  smat[1][2] = (1.0 - sat) * 0.6094;
+  smat[2][0] = (1.0 - sat) * 0.0820;
+  smat[2][1] = (1.0 - sat) * 0.0820;
+  smat[2][2] = (1.0 - sat) * 0.0820 + sat;
+
+  mult(smat, mat, mat);
+}
+
+
+/* 
+ * 'xform()' - Transform a 3D point using a matrix...
+ */
+
+static void
+xform(float mat[3][3],	/* I - Matrix */
+      float x,		/* I - Input X coordinate */
+      float y,		/* I - Input Y coordinate */
+      float z,		/* I - Input Z coordinate */
+      float *tx,	/* O - Output X coordinate */
+      float *ty,	/* O - Output Y coordinate */
+      float *tz)	/* O - Output Z coordinate */
+{
+  *tx = x * mat[0][0] + y * mat[1][0] + z * mat[2][0];
+  *ty = x * mat[0][1] + y * mat[1][1] + z * mat[2][1];
+  *tz = x * mat[0][2] + y * mat[1][2] + z * mat[2][2];
+}
+
+
+/* 
+ * 'xrotate()' - Rotate about the x (red) axis...
+ */
+
+static void
+xrotate(float mat[3][3],	/* I - Matrix */
+        float rs,		/* I - Rotation angle sine */
+        float rc)		/* I - Rotation angle cosine */
+{
+  float rmat[3][3];		/* I - Rotation matrix */
+
+
+  rmat[0][0] = 1.0;
+  rmat[0][1] = 0.0;
+  rmat[0][2] = 0.0;
+
+  rmat[1][0] = 0.0;
+  rmat[1][1] = rc;
+  rmat[1][2] = rs;
+
+  rmat[2][0] = 0.0;
+  rmat[2][1] = -rs;
+  rmat[2][2] = rc;
+
+  mult(rmat, mat, mat);
+}
+
+
+/* 
+ * 'yrotate()' - Rotate about the y (green) axis...
+ */
+
+static void
+yrotate(float mat[3][3],	/* I - Matrix */
+        float rs,		/* I - Rotation angle sine */
+        float rc)		/* I - Rotation angle cosine */
+{
+  float rmat[3][3];		/* I - Rotation matrix */
+
+
+  rmat[0][0] = rc;
+  rmat[0][1] = 0.0;
+  rmat[0][2] = -rs;
+
+  rmat[1][0] = 0.0;
+  rmat[1][1] = 1.0;
+  rmat[1][2] = 0.0;
+
+  rmat[2][0] = rs;
+  rmat[2][1] = 0.0;
+  rmat[2][2] = rc;
+
+  mult(rmat,mat,mat);
+}
+
+
+/* 
+ * 'zrotate()' - Rotate about the z (blue) axis...
+ */
+
+static void
+zrotate(float mat[3][3],	/* I - Matrix */
+        float rs,		/* I - Rotation angle sine */
+        float rc)		/* I - Rotation angle cosine */
+{
+  float rmat[3][3];		/* I - Rotation matrix */
+
+
+  rmat[0][0] = rc;
+  rmat[0][1] = rs;
+  rmat[0][2] = 0.0;
+
+  rmat[1][0] = -rs;
+  rmat[1][1] = rc;
+  rmat[1][2] = 0.0;
+
+  rmat[2][0] = 0.0;
+  rmat[2][1] = 0.0;
+  rmat[2][2] = 1.0;
+
+  mult(rmat,mat,mat);
+}
+
+
+/* 
+ * 'zshear()' - Shear z using x and y...
+ */
+
+static void
+zshear(float mat[3][3],	/* I - Matrix */
+       float dx,	/* I - X shear */
+       float dy)	/* I - Y shear */
+{
+  float smat[3][3];	/* Shear matrix */
+
+
+  smat[0][0] = 1.0;
+  smat[0][1] = 0.0;
+  smat[0][2] = dx;
+
+  smat[1][0] = 0.0;
+  smat[1][1] = 1.0;
+  smat[1][2] = dy;
+
+  smat[2][0] = 0.0;
+  smat[2][1] = 0.0;
+  smat[2][2] = 1.0;
+
+  mult(smat, mat, mat);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-gif.c b/filter/image-gif.c
new file mode 100644
index 000000000..f177ac69e
--- /dev/null
+++ b/filter/image-gif.c
@@ -0,0 +1,644 @@
+/*
+ * "$Id$"
+ *
+ *   GIF image routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadGIF()   - Read a GIF image file.
+ *   gif_read_cmap()  - Read the colormap from a GIF file...
+ *   gif_get_block()  - Read a GIF data block...
+ *   gif_get_code()   - Get a LZW code from the file...
+ *   gif_read_lzw()   - Read a byte from the LZW stream...
+ *   gif_read_image() - Read a GIF image stream...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+
+/*
+ * GIF definitions...
+ */
+
+#define GIF_INTERLACE	0x40
+#define GIF_COLORMAP	0x80
+
+typedef ib_t	gif_cmap_t[256][4];
+
+
+/*
+ * Local globals...
+ */
+
+static int	gif_eof = 0;		/* Did we hit EOF? */
+
+
+/*
+ * Local functions...
+ */
+
+static int	gif_read_cmap(FILE *fp, int ncolors, gif_cmap_t cmap,
+		              int *gray);
+static int	gif_get_block(FILE *fp, unsigned char *buffer);
+static int	gif_get_code (FILE *fp, int code_size, int first_time);
+static int	gif_read_lzw(FILE *fp, int first_time, int input_code_size);
+static int	gif_read_image(FILE *fp, image_t *img, gif_cmap_t cmap,
+		               int interlace);
+
+
+/*
+ * 'ImageReadGIF()' - Read a GIF image file.
+ */
+
+int					/* O - Read status */
+ImageReadGIF(image_t    *img,		/* IO - Image */
+             FILE       *fp,		/* I - Image file */
+             int        primary,	/* I - Primary choice for colorspace */
+             int        secondary,	/* I - Secondary choice for colorspace */
+             int        saturation,	/* I - Color saturation (%) */
+             int        hue,		/* I - Color hue (degrees) */
+	     const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  unsigned char	buf[1024];	/* Input buffer */
+  gif_cmap_t	cmap;		/* Colormap */
+  int		i,		/* Looping var */
+		bpp,		/* Bytes per pixel */
+		gray,		/* Grayscale image? */
+		ncolors,	/* Bits per pixel */
+		transparent;	/* Transparent color index */
+
+
+ /*
+  * Read the header; we already know it is a GIF file...
+  */
+
+  fread(buf, 13, 1, fp);
+
+  img->xsize = (buf[7] << 8) | buf[6];
+  img->ysize = (buf[9] << 8) | buf[8];
+  ncolors    = 2 << (buf[10] & 0x07);
+  gray       = primary == IMAGE_BLACK || primary == IMAGE_WHITE;
+
+  if (buf[10] & GIF_COLORMAP)
+    if (gif_read_cmap(fp, ncolors, cmap, &gray))
+    {
+      fclose(fp);
+      return (-1);
+    }
+
+  transparent = -1;
+
+  for (;;)
+  {
+    switch (getc(fp))
+    {
+      case ';' :	/* End of image */
+          fclose(fp);
+          return (-1);		/* Early end of file */
+
+      case '!' :	/* Extension record */
+          buf[0] = getc(fp);
+          if (buf[0] == 0xf9)	/* Graphic Control Extension */
+          {
+            gif_get_block(fp, buf);
+            if (buf[0] & 1)	/* Get transparent color index */
+              transparent = buf[3];
+          }
+
+          while (gif_get_block(fp, buf) != 0);
+          break;
+
+      case ',' :	/* Image data */
+          fread(buf, 9, 1, fp);
+
+          if (buf[8] & GIF_COLORMAP)
+          {
+            ncolors = 2 << (buf[8] & 0x07);
+            gray = primary == IMAGE_BLACK || primary == IMAGE_WHITE;
+
+	    if (gif_read_cmap(fp, ncolors, cmap, &gray))
+	    {
+              fclose(fp);
+	      return (-1);
+	    }
+	  }
+
+          if (transparent >= 0)
+          {
+           /*
+            * Make transparent color white...
+            */
+
+            cmap[transparent][0] = 255;
+            cmap[transparent][1] = 255;
+            cmap[transparent][2] = 255;
+          }
+
+	  if (gray)
+	  {
+	    switch (secondary)
+	    {
+              case IMAGE_CMYK :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageWhiteToCMYK(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_CMY :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageWhiteToCMY(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_BLACK :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageWhiteToBlack(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_WHITE :
+        	  break;
+              case IMAGE_RGB :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageWhiteToRGB(cmap[i], cmap[i], 1);
+        	  break;
+	    }
+
+            img->colorspace = secondary;
+	  }
+	  else
+	  {
+	    if (hue != 0 || saturation != 100)
+              for (i = ncolors - 1; i >= 0; i --)
+        	ImageRGBAdjust(cmap[i], 1, saturation, hue);
+
+	    switch (primary)
+	    {
+              case IMAGE_CMYK :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageRGBToCMYK(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_CMY :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageRGBToCMY(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_BLACK :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageRGBToBlack(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_WHITE :
+        	  for (i = ncolors - 1; i >= 0; i --)
+        	    ImageRGBToWhite(cmap[i], cmap[i], 1);
+        	  break;
+              case IMAGE_RGB :
+        	  break;
+	    }
+
+            img->colorspace = primary;
+	  }
+
+          if (lut)
+	  {
+	    bpp = ImageGetDepth(img);
+
+            for (i = ncolors - 1; i >= 0; i --)
+              ImageLut(cmap[i], bpp, lut);
+	  }
+
+          img->xsize = (buf[5] << 8) | buf[4];
+          img->ysize = (buf[7] << 8) | buf[6];
+
+	  i = gif_read_image(fp, img, cmap, buf[8] & GIF_INTERLACE);
+          fclose(fp);
+          return (i);
+    }
+  }
+}
+
+
+/*
+ * 'gif_read_cmap()' - Read the colormap from a GIF file...
+ */
+
+static int				/* O - -1 on error, 0 on success */
+gif_read_cmap(FILE       *fp,		/* I - File to read from */
+  	      int        ncolors,	/* I - Number of colors in file */
+	      gif_cmap_t cmap,		/* O - Colormap information */
+	      int        *gray)		/* IO - Is the image grayscale? */
+{
+  int	i;				/* Looping var */
+
+
+ /*
+  * Read the colormap...
+  */
+
+  for (i = 0; i < ncolors; i ++)
+    if (fread(cmap[i], 3, 1, fp) < 1)
+      return (-1);
+
+ /*
+  * Check to see if the colormap is a grayscale ramp...
+  */
+
+  for (i = 0; i < ncolors; i ++)
+    if (cmap[i][0] != cmap[i][1] || cmap[i][1] != cmap[i][2])
+      break;
+
+  if (i == ncolors)
+  {
+    *gray = 1;
+    return (0);
+  }
+
+ /*
+  * If this needs to be a grayscale image, convert the RGB values to
+  * luminance values...
+  */
+
+  if (*gray)
+    for (i = 0; i < ncolors; i ++)
+      cmap[i][0] = (cmap[i][0] * 31 + cmap[i][1] * 61 + cmap[i][2] * 8) / 100;
+
+  return (0);
+}
+
+
+/*
+ * 'gif_get_block()' - Read a GIF data block...
+ */
+
+static int				/* O - Number characters read */
+gif_get_block(FILE          *fp,	/* I - File to read from */
+	      unsigned char *buf)	/* I - Input buffer */
+{
+  int	count;				/* Number of character to read */
+
+
+ /*
+  * Read the count byte followed by the data from the file...
+  */
+
+  if ((count = getc(fp)) == EOF)
+  {
+    gif_eof = 1;
+    return (-1);
+  }
+  else if (count == 0)
+    gif_eof = 1;
+  else if (fread(buf, 1, count, fp) < count)
+  {
+    gif_eof = 1;
+    return (-1);
+  }
+  else
+    gif_eof = 0;
+
+  return (count);
+}
+
+
+/*
+ * 'gif_get_code()' - Get a LZW code from the file...
+ */
+
+static int			/* O - LZW code */
+gif_get_code(FILE *fp,		/* I - File to read from */
+	     int  code_size,	/* I - Size of code in bits */
+	     int  first_time)	/* I - 1 = first time, 0 = not first time */
+{
+  unsigned		i, j,		/* Looping vars */
+			ret;		/* Return value */
+  int			count;		/* Number of bytes read */
+  static unsigned char	buf[280];	/* Input buffer */
+  static unsigned	curbit,		/* Current bit */
+			lastbit,	/* Last bit in buffer */
+			done,		/* Done with this buffer? */
+			last_byte;	/* Last byte in buffer */
+  static unsigned char	bits[8] =	/* Bit masks for codes */
+			{
+			  0x01, 0x02, 0x04, 0x08,
+			  0x10, 0x20, 0x40, 0x80
+			};
+
+
+  if (first_time)
+  {
+   /*
+    * Just initialize the input buffer...
+    */
+
+    curbit  = 0;
+    lastbit = 0;
+    done    = 0;
+
+    return (0);
+  }
+
+
+  if ((curbit + code_size) >= lastbit)
+  {
+   /*
+    * Don't have enough bits to hold the code...
+    */
+
+    if (done)
+      return (-1);	/* Sorry, no more... */
+
+   /*
+    * Move last two bytes to front of buffer...
+    */
+
+    buf[0] = buf[last_byte - 2];
+    buf[1] = buf[last_byte - 1];
+
+   /*
+    * Read in another buffer...
+    */
+
+    if ((count = gif_get_block (fp, buf + 2)) <= 0)
+    {
+     /*
+      * Whoops, no more data!
+      */
+
+      done = 1;
+      return (-1);
+    }
+
+   /*
+    * Update buffer state...
+    */
+
+    last_byte = 2 + count;
+    curbit    = (curbit - lastbit) + 16;
+    lastbit   = last_byte * 8;
+  }
+
+  ret = 0;
+  for (ret = 0, i = curbit + code_size - 1, j = code_size;
+       j > 0;
+       i --, j --)
+    ret = (ret << 1) | ((buf[i / 8] & bits[i & 7]) != 0);
+
+  curbit += code_size;
+
+  return ret;
+}
+
+
+/*
+ * 'gif_read_lzw()' - Read a byte from the LZW stream...
+ */
+
+static int				/* I - Byte from stream */
+gif_read_lzw(FILE *fp,			/* I - File to read from */
+	     int  first_time,		/* I - 1 = first time, 0 = not first time */
+ 	     int  input_code_size)	/* I - Code size in bits */
+{
+  int		i,			/* Looping var */
+		code,			/* Current code */
+		incode;			/* Input code */
+  static short	fresh = 0,		/* 1 = empty buffers */
+		code_size,		/* Current code size */
+		set_code_size,		/* Initial code size set */
+		max_code,		/* Maximum code used */
+		max_code_size,		/* Maximum code size */
+		firstcode,		/* First code read */
+		oldcode,		/* Last code read */
+		clear_code,		/* Clear code for LZW input */
+		end_code,		/* End code for LZW input */
+		table[2][4096],		/* String table */
+		stack[8192],		/* Output stack */
+		*sp;			/* Current stack pointer */
+
+
+  if (first_time)
+  {
+   /*
+    * Setup LZW state...
+    */
+
+    set_code_size = input_code_size;
+    code_size     = set_code_size + 1;
+    clear_code    = 1 << set_code_size;
+    end_code      = clear_code + 1;
+    max_code_size = 2 * clear_code;
+    max_code      = clear_code + 2;
+
+   /*
+    * Initialize input buffers...
+    */
+
+    gif_get_code(fp, 0, 1);
+
+   /*
+    * Wipe the decompressor table...
+    */
+
+    fresh = 1;
+
+    for (i = 0; i < clear_code; i ++)
+    {
+      table[0][i] = 0;
+      table[1][i] = i;
+    }
+
+    for (; i < 4096; i ++)
+      table[0][i] = table[1][0] = 0;
+
+    sp = stack;
+
+    return (0);
+  }
+  else if (fresh)
+  {
+    fresh = 0;
+
+    do
+      firstcode = oldcode = gif_get_code(fp, code_size, 0);
+    while (firstcode == clear_code);
+
+    return (firstcode);
+  }
+
+  if (sp > stack)
+    return (*--sp);
+
+  while ((code = gif_get_code (fp, code_size, 0)) >= 0)
+  {
+    if (code == clear_code)
+    {
+      for (i = 0; i < clear_code; i ++)
+      {
+	table[0][i] = 0;
+	table[1][i] = i;
+      }
+
+      for (; i < 4096; i ++)
+	table[0][i] = table[1][i] = 0;
+
+      code_size     = set_code_size + 1;
+      max_code_size = 2 * clear_code;
+      max_code      = clear_code + 2;
+
+      sp = stack;
+
+      firstcode = oldcode = gif_get_code(fp, code_size, 0);
+
+      return (firstcode);
+    }
+    else if (code == end_code)
+    {
+      unsigned char	buf[260];
+
+
+      if (!gif_eof)
+        while (gif_get_block(fp, buf) > 0);
+
+      return (-2);
+    }
+
+    incode = code;
+
+    if (code >= max_code)
+    {
+      *sp++ = firstcode;
+      code  = oldcode;
+    }
+
+    while (code >= clear_code)
+    {
+      *sp++ = table[1][code];
+      if (code == table[0][code])
+	return (255);
+
+      code = table[0][code];
+    }
+
+    *sp++ = firstcode = table[1][code];
+    code  = max_code;
+
+    if (code < 4096)
+    {
+      table[0][code] = oldcode;
+      table[1][code] = firstcode;
+      max_code ++;
+
+      if (max_code >= max_code_size && max_code_size < 4096)
+      {
+	max_code_size *= 2;
+	code_size ++;
+      }
+    }
+
+    oldcode = incode;
+
+    if (sp > stack)
+      return (*--sp);
+  }
+
+  return (code);
+}
+
+
+/*
+ * 'gif_read_image()' - Read a GIF image stream...
+ */
+
+static int				/* I - 0 = success, -1 = failure */
+gif_read_image(FILE       *fp,		/* I - Input file */
+	       image_t    *img,		/* I - Image pointer */
+	       gif_cmap_t cmap,		/* I - Colormap */
+	       int        interlace)	/* I - Non-zero = interlaced image */
+{
+  unsigned char	code_size;		/* Code size */
+  ib_t		*pixels,		/* Pixel buffer */
+		*temp;			/* Current pixel */
+  int		xpos,			/* Current X position */
+		ypos,			/* Current Y position */
+		pass;			/* Current pass */
+  int		pixel;			/* Current pixel */
+  int		bpp;			/* Bytes per pixel */
+  static int	xpasses[4] = { 8, 8, 4, 2 },
+		ypasses[5] = { 0, 4, 2, 1, 999999 };
+
+
+  bpp       = ImageGetDepth(img);
+  pixels    = calloc(bpp, img->xsize);
+  xpos      = 0;
+  ypos      = 0;
+  pass      = 0;
+  code_size = getc(fp);
+
+  if (gif_read_lzw(fp, 1, code_size) < 0)
+    return (-1);
+
+  temp = pixels;
+  while ((pixel = gif_read_lzw(fp, 0, code_size)) >= 0)
+  {
+    switch (bpp)
+    {
+      case 4 :
+          temp[3] = cmap[pixel][3];
+      case 3 :
+          temp[2] = cmap[pixel][2];
+      case 2 :
+          temp[1] = cmap[pixel][1];
+      default :
+          temp[0] = cmap[pixel][0];
+    }
+
+    xpos ++;
+    temp += bpp;
+    if (xpos == img->xsize)
+    {
+      ImagePutRow(img, 0, ypos, img->xsize, pixels);
+
+      xpos = 0;
+      temp = pixels;
+
+      if (interlace)
+      {
+        ypos += xpasses[pass];
+
+        if (ypos >= img->ysize)
+	{
+	  pass ++;
+
+          ypos = ypasses[pass];
+	}
+      }
+      else
+	ypos ++;
+    }
+
+    if (ypos >= img->ysize)
+      break;
+  }
+
+  free(pixels);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-jpeg.c b/filter/image-jpeg.c
new file mode 100644
index 000000000..96547b2c1
--- /dev/null
+++ b/filter/image-jpeg.c
@@ -0,0 +1,194 @@
+/*
+ * "$Id$"
+ *
+ *   JPEG image routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadJPEG() - Read a JPEG image file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+#ifdef HAVE_LIBJPEG
+#  include <jpeglib.h>	/* JPEG/JFIF image definitions */
+
+
+/*
+ * 'ImageReadJPEG()' - Read a JPEG image file.
+ */
+
+int					/* O - Read status */
+ImageReadJPEG(image_t    *img,		/* IO - Image */
+              FILE       *fp,		/* I - Image file */
+              int        primary,	/* I - Primary choice for colorspace */
+              int        secondary,	/* I - Secondary choice for colorspace */
+              int        saturation,	/* I - Color saturation (%) */
+              int        hue,		/* I - Color hue (degrees) */
+	      const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  struct jpeg_decompress_struct	cinfo;	/* Decompressor info */
+  struct jpeg_error_mgr		jerr;	/* Error handler info */
+  ib_t				*in,	/* Input pixels */
+				*out;	/* Output pixels */
+
+
+  (void)secondary;
+
+  cinfo.err = jpeg_std_error(&jerr);
+  jpeg_create_decompress(&cinfo);
+  jpeg_stdio_src(&cinfo, fp);
+  jpeg_read_header(&cinfo, 1);
+
+  cinfo.quantize_colors = 0;
+
+  if (cinfo.num_components == 1)
+  {
+    cinfo.out_color_space      = JCS_GRAYSCALE;
+    cinfo.out_color_components = 1;
+    cinfo.output_components    = 1;
+  }
+  else
+  {
+    cinfo.out_color_space      = JCS_RGB;
+    cinfo.out_color_components = 3;
+    cinfo.output_components    = 3;
+  }
+
+  jpeg_calc_output_dimensions(&cinfo);
+
+  img->xsize      = cinfo.output_width;
+  img->ysize      = cinfo.output_height;
+  img->colorspace = primary;
+
+  if (cinfo.X_density > 0 && cinfo.Y_density > 0 && cinfo.density_unit > 0)
+  {
+    if (cinfo.density_unit == 1)
+    {
+      img->xppi = cinfo.X_density;
+      img->yppi = cinfo.Y_density;
+    }
+    else
+    {
+      img->xppi = (int)((float)cinfo.X_density * 2.54);
+      img->yppi = (int)((float)cinfo.Y_density * 2.54);
+    }
+  }
+
+  fprintf(stderr, "DEBUG: JPEG image %dx%dx%d, %dx%d PPI\n",
+          img->xsize, img->ysize, cinfo.output_components,
+	  img->xppi, img->yppi);
+
+  ImageSetMaxTiles(img, 0);
+
+  in = malloc(img->xsize * cinfo.output_components);
+  if (primary < 0)
+    out = malloc(-img->xsize * primary);
+  else
+    out = malloc(img->xsize * primary);
+
+  jpeg_start_decompress(&cinfo);
+
+  while (cinfo.output_scanline < cinfo.output_height)
+  {
+    jpeg_read_scanlines(&cinfo, (JSAMPROW *)&in, (JDIMENSION)1);
+
+    if ((saturation != 100 || hue != 0) && cinfo.output_components > 1)
+      ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+    if ((primary == IMAGE_WHITE && cinfo.out_color_space == JCS_GRAYSCALE) ||
+        (primary == IMAGE_RGB && cinfo.out_color_space == JCS_RGB))
+    {
+      if (lut)
+        ImageLut(in, img->xsize * ImageGetDepth(img), lut);
+
+      ImagePutRow(img, 0, cinfo.output_scanline - 1, img->xsize, in);
+    }
+    else if (cinfo.out_color_space == JCS_GRAYSCALE)
+    {
+      switch (primary)
+      {
+        case IMAGE_BLACK :
+            ImageWhiteToBlack(in, out, img->xsize);
+            break;
+        case IMAGE_RGB :
+            ImageWhiteToRGB(in, out, img->xsize);
+            break;
+        case IMAGE_CMY :
+            ImageWhiteToCMY(in, out, img->xsize);
+            break;
+        case IMAGE_CMYK :
+            ImageWhiteToCMYK(in, out, img->xsize);
+            break;
+      }
+
+      if (lut)
+        ImageLut(out, img->xsize * ImageGetDepth(img), lut);
+
+      ImagePutRow(img, 0, cinfo.output_scanline - 1, img->xsize, out);
+    }
+    else
+    {
+      switch (primary)
+      {
+        case IMAGE_WHITE :
+            ImageRGBToWhite(in, out, img->xsize);
+            break;
+        case IMAGE_BLACK :
+            ImageRGBToBlack(in, out, img->xsize);
+            break;
+        case IMAGE_CMY :
+            ImageRGBToCMY(in, out, img->xsize);
+            break;
+        case IMAGE_CMYK :
+            ImageRGBToCMYK(in, out, img->xsize);
+            break;
+      }
+
+      if (lut)
+        ImageLut(out, img->xsize * ImageGetDepth(img), lut);
+
+      ImagePutRow(img, 0, cinfo.output_scanline - 1, img->xsize, out);
+    }
+  }
+
+  free(in);
+  free(out);
+
+  jpeg_finish_decompress(&cinfo);
+  jpeg_destroy_decompress(&cinfo);
+
+  fclose(fp);
+
+  return (0);
+}
+
+
+#endif /* HAVE_LIBJPEG */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-photocd.c b/filter/image-photocd.c
new file mode 100644
index 000000000..88ecd5719
--- /dev/null
+++ b/filter/image-photocd.c
@@ -0,0 +1,323 @@
+/*
+ * "$Id$"
+ *
+ *   PhotoCD routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadPhotoCD() - Read a PhotoCD image file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+
+/*
+ * PhotoCD support is currently limited to the 768x512 base image, which
+ * is only YCC encoded.  Support for the higher resolution images will
+ * require a lot of extra code...
+ */
+
+/*
+ * 'ImageReadPhotoCD()' - Read a PhotoCD image file.
+ */
+
+int					/* O - Read status */
+ImageReadPhotoCD(image_t    *img,	/* IO - Image */
+        	 FILE       *fp,	/* I - Image file */
+        	 int        primary,	/* I - Primary choice for colorspace */
+        	 int        secondary,	/* I - Secondary choice for colorspace */
+        	 int        saturation,	/* I - Color saturation (%) */
+        	 int        hue,	/* I - Color hue (degrees) */
+		 const ib_t *lut)	/* I - Lookup table for gamma/brightness */
+{
+  int		x, y;		/* Looping vars */
+  int		xdir,		/* X direction */
+		xstart;		/* X starting point */
+  int		bpp;		/* Bytes per pixel */
+  int		pass;		/* Pass number */
+  int		rotation;	/* 0 for 768x512, 1 for 512x768 */
+  int		temp,		/* Adjusted luminance */
+		temp2,		/* Red, green, and blue values */
+		cb, cr;		/* Adjusted chroma values */
+  ib_t		*in,		/* Input (YCC) pixels */
+		*iy,		/* Luminance */
+		*icb,		/* Blue chroma */
+		*icr,		/* Red chroma */
+		*rgb,		/* RGB */
+		*rgbptr,	/* Pointer into RGB data */
+		*out;		/* Output pixels */
+
+
+  (void)secondary;
+
+ /*
+  * Get the image orientation...
+  */
+
+  fseek(fp, 72, SEEK_SET);
+  rotation = (getc(fp) & 63) != 8;
+
+ /*
+  * Seek to the start of the base image...
+  */
+
+  fseek(fp, 0x30000, SEEK_SET);
+
+ /*
+  * Allocate and initialize...
+  */
+
+  img->colorspace = primary;
+  img->xppi       = 128;
+  img->yppi       = 128;
+
+  if (rotation)
+  {
+    img->xsize = 512;
+    img->ysize = 768;
+  }
+  else
+  {
+    img->xsize = 768;
+    img->ysize = 512;
+  }
+
+  ImageSetMaxTiles(img, 0);
+
+  bpp = ImageGetDepth(img);
+  in  = malloc(768 * 3);
+  out = malloc(768 * bpp);
+
+  if (bpp > 1)
+    rgb = malloc(768 * 3);
+  else
+    rgb = NULL;
+
+  if (rotation)
+  {
+    xstart = 767 * bpp;
+    xdir   = -2 * bpp;
+  }
+  else
+  {
+    xstart = 0;
+    xdir   = 0;
+  }
+
+ /*
+  * Read the image file...
+  */
+
+  for (y = 0; y < 512; y += 2)
+  {
+   /*
+    * Grab the next two scanlines:
+    *
+    *     YYYYYYYYYYYYYYY...
+    *     YYYYYYYYYYYYYYY...
+    *     CbCbCb...CrCrCr...
+    */
+
+    if (fread(in, 1, 768 * 3, fp) < (768 * 3))
+    {
+     /*
+      * Couldn't read a row of data - return an error!
+      */
+
+      free(in);
+      free(out);
+
+      return (-1);
+    }
+
+   /*
+    * Process the two scanlines...
+    */
+
+    for (pass = 0, iy = in; pass < 2; pass ++)
+    {
+      if (bpp == 1)
+      {
+       /*
+	* Just extract the luminance channel from the line and put it
+	* in the image...
+	*/
+
+        if (primary == IMAGE_BLACK)
+	{
+	  if (rotation)
+	  {
+	    for (rgbptr = out + xstart, x = 0; x < 768; x ++)
+	      *rgbptr-- = 255 - *iy++;
+
+	    if (lut)
+	      ImageLut(out, 768, lut);
+
+            ImagePutCol(img, 511 - y - pass, 0, 768, out);
+	  }
+	  else
+	  {
+            ImageWhiteToBlack(iy, out, 768);
+
+	    if (lut)
+	      ImageLut(out, 768, lut);
+
+            ImagePutRow(img, 0, y + pass, 768, out);
+            iy += 768;
+	  }
+	}
+	else if (rotation)
+	{
+	  for (rgbptr = out + xstart, x = 0; x < 768; x ++)
+	    *rgbptr-- = 255 - *iy++;
+
+	  if (lut)
+	    ImageLut(out, 768, lut);
+
+          ImagePutCol(img, 511 - y - pass, 0, 768, out);
+	}
+	else
+	{
+	  if (lut)
+	    ImageLut(iy, 768, lut);
+
+          ImagePutRow(img, 0, y + pass, 768, iy);
+          iy += 768;
+	}
+      }
+      else
+      {
+       /*
+        * Convert YCbCr to RGB...  While every pixel gets a luminance
+	* value, adjacent pixels share chroma information.
+	*/
+
+        cb = cr = 0.0f;
+
+        for (x = 0, rgbptr = rgb + xstart, icb = in + 1536, icr = in + 1920;
+	     x < 768;
+	     x ++, iy ++, rgbptr += xdir)
+	{
+	  if (!(x & 1))
+	  {
+	    cb = (float)(*icb - 156);
+	    cr = (float)(*icr - 137);
+	  }
+
+          temp = 92241 * (*iy);
+
+	  temp2 = (temp + 86706 * cr) / 65536;
+	  if (temp2 < 0)
+	    *rgbptr++ = 0;
+	  else if (temp2 > 255)
+	    *rgbptr++ = 255;
+	  else
+	    *rgbptr++ = temp2;
+
+          temp2 = (temp - 25914 * cb - 44166 * cr) / 65536;
+	  if (temp2 < 0)
+	    *rgbptr++ = 0;
+	  else if (temp2 > 255)
+	    *rgbptr++ = 255;
+	  else
+	    *rgbptr++ = temp2;
+
+          temp2 = (temp + 133434 * cb) / 65536;
+	  if (temp2 < 0)
+	    *rgbptr++ = 0;
+	  else if (temp2 > 255)
+	    *rgbptr++ = 255;
+	  else
+	    *rgbptr++ = temp2;
+
+	  if (x & 1)
+	  {
+	    icb ++;
+	    icr ++;
+	  }
+	}
+
+       /*
+        * Adjust the hue and saturation if needed...
+	*/
+
+	if (saturation != 100 || hue != 0)
+	  ImageRGBAdjust(rgb, 768, saturation, hue);
+
+       /*
+        * Then convert the RGB data to the appropriate colorspace and
+	* put it in the image...
+	*/
+
+        if (img->colorspace == IMAGE_RGB)
+	{
+	  if (lut)
+	    ImageLut(rgb, 768 * 3, lut);
+
+	  if (rotation)
+            ImagePutCol(img, 511 - y - pass, 0, 768, rgb);
+	  else
+            ImagePutRow(img, 0, y + pass, 768, rgb);
+	}
+	else
+	{
+	  switch (img->colorspace)
+	  {
+	    case IMAGE_CMY :
+		ImageRGBToCMY(rgb, out, 768);
+		break;
+	    case IMAGE_CMYK :
+		ImageRGBToCMYK(rgb, out, 768);
+		break;
+	  }
+
+	  if (lut)
+	    ImageLut(out, 768 * bpp, lut);
+
+	  if (rotation)
+            ImagePutCol(img, 511 - y - pass, 0, 768, out);
+	  else
+            ImagePutRow(img, 0, y + pass, 768, out);
+	}
+      }
+    }
+  }
+
+ /*
+  * Free memory and return...
+  */
+
+  free(in);
+  free(out);
+  if (bpp > 1)
+    free(rgb);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-pix.c b/filter/image-pix.c
new file mode 100644
index 000000000..0e391fd16
--- /dev/null
+++ b/filter/image-pix.c
@@ -0,0 +1,223 @@
+/*
+ * "$Id$"
+ *
+ *   Alias PIX image routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadPIX() - Read a PIX image file.
+ *   read_short()   - Read a 16-bit integer.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+
+/*
+ * Local functions...
+ */
+
+static short	read_short(FILE *fp);
+
+
+/*
+ * 'ImageReadPIX()' - Read a PIX image file.
+ */
+
+int					/* O - Read status */
+ImageReadPIX(image_t    *img,		/* IO - Image */
+             FILE       *fp,		/* I - Image file */
+             int        primary,	/* I - Primary choice for colorspace */
+             int        secondary,	/* I - Secondary choice for colorspace */
+             int        saturation,	/* I - Color saturation (%) */
+             int        hue,		/* I - Color hue (degrees) */
+	     const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  short		width,			/* Width of image */
+		height,			/* Height of image */
+		depth;			/* Depth of image (bits) */
+  int		count,			/* Repetition count */
+		bpp,			/* Bytes per pixel */
+		x, y;			/* Looping vars */
+  ib_t		r, g, b;		/* Red, green/gray, blue values */
+  ib_t		*in,			/* Input pixels */
+		*out,			/* Output pixels */
+		*ptr;			/* Pointer into pixels */
+
+
+ /*
+  * Get the image dimensions and setup the image...
+  */
+
+  width  = read_short(fp);
+  height = read_short(fp);
+  read_short(fp);
+  read_short(fp);
+  depth  = read_short(fp);
+
+  if (depth == 8)
+    img->colorspace = secondary;
+  else
+    img->colorspace = primary;
+
+  img->xsize = width;
+  img->ysize = height;
+
+  ImageSetMaxTiles(img, 0);
+
+  in  = malloc(img->xsize * (depth / 8));
+  bpp = ImageGetDepth(img);
+  out = malloc(img->xsize * bpp);
+
+ /*
+  * Read the image data...
+  */
+
+  if (depth == 8)
+  {
+    for (count = 0, y = 0, g = 0; y < img->ysize; y ++)
+    {
+      if (img->colorspace == IMAGE_WHITE)
+        ptr = out;
+      else
+        ptr = in;
+
+      for (x = img->xsize; x > 0; x --, count --)
+      {
+        if (count == 0)
+	{
+          count = getc(fp);
+	  g     = getc(fp);
+	}
+
+        *ptr++ = g;
+      }
+
+      if (img->colorspace != IMAGE_WHITE)
+	switch (img->colorspace)
+	{
+	  case IMAGE_RGB :
+	      ImageWhiteToRGB(in, out, img->xsize);
+	      break;
+	  case IMAGE_BLACK :
+	      ImageWhiteToBlack(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMY :
+	      ImageWhiteToCMY(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMYK :
+	      ImageWhiteToCMYK(in, out, img->xsize);
+	      break;
+	}
+
+      if (lut)
+	ImageLut(out, img->xsize * bpp, lut);
+
+      ImagePutRow(img, 0, y, img->xsize, out);
+    }
+  }
+  else
+  {
+    for (count = 0, y = 0, r = 0, g = 0, b = 0; y < img->ysize; y ++)
+    {
+      if (img->colorspace == IMAGE_RGB)
+        ptr = out;
+      else
+        ptr = in;
+
+      for (x = img->xsize; x > 0; x --, count --)
+      {
+        if (count == 0)
+	{
+          count = getc(fp);
+	  b     = getc(fp);
+	  g     = getc(fp);
+	  r     = getc(fp);
+	}
+
+        *ptr++ = r;
+        *ptr++ = g;
+        *ptr++ = b;
+      }
+
+      if (img->colorspace == IMAGE_RGB)
+      {
+	if (saturation != 100 || hue != 0)
+	  ImageRGBAdjust(out, img->xsize, saturation, hue);
+      }
+      else
+      {
+	if (saturation != 100 || hue != 0)
+	  ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+	switch (img->colorspace)
+	{
+	  case IMAGE_WHITE :
+	      ImageRGBToWhite(in, out, img->xsize);
+	      break;
+	  case IMAGE_BLACK :
+	      ImageRGBToBlack(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMY :
+	      ImageRGBToCMY(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMYK :
+	      ImageRGBToCMYK(in, out, img->xsize);
+	      break;
+	}
+      }
+
+      if (lut)
+	ImageLut(out, img->xsize * bpp, lut);
+
+      ImagePutRow(img, 0, y, img->xsize, out);
+    }
+  }
+
+  fclose(fp);
+  free(in);
+  free(out);
+
+  return (0);
+}
+
+
+/*
+ * 'read_short()' - Read a 16-bit integer.
+ */
+
+static short			/* O - Value from file */
+read_short(FILE *fp)		/* I - File to read from */
+{
+  int	ch;			/* Character from file */
+
+
+  ch = getc(fp);
+  return ((ch << 8) | getc(fp));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-png.c b/filter/image-png.c
new file mode 100644
index 000000000..a28da3d83
--- /dev/null
+++ b/filter/image-png.c
@@ -0,0 +1,250 @@
+/*
+ * "$Id$"
+ *
+ *   PNG image routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadPNG() - Read a PNG image file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+#if defined(HAVE_LIBPNG) && defined(HAVE_LIBZ)
+#include <png.h>	/* Portable Network Graphics (PNG) definitions */
+
+
+/*
+ * 'ImageReadPNG()' - Read a PNG image file.
+ */
+
+int					/* O - Read status */
+ImageReadPNG(image_t    *img,		/* IO - Image */
+             FILE       *fp,		/* I - Image file */
+             int        primary,	/* I - Primary choice for colorspace */
+             int        secondary,	/* I - Secondary choice for colorspace */
+             int        saturation,	/* I - Color saturation (%) */
+             int        hue,		/* I - Color hue (degrees) */
+	     const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  int		y;			/* Looping var */
+  png_structp	pp;			/* PNG read pointer */
+  png_infop	info;			/* PNG info pointers */
+  int		bpp;			/* Bytes per pixel */
+  int		pass,			/* Current pass */
+		passes;			/* Number of passes required */
+  ib_t		*in,			/* Input pixels */
+		*inptr,			/* Pointer into pixels */
+		*out;			/* Output pixels */
+  png_color_16	bg;			/* Background color */
+
+ /*
+  * Setup the PNG data structures...
+  */
+
+  pp   = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+  info = png_create_info_struct(pp);
+
+ /*
+  * Initialize the PNG read "engine"...
+  */
+
+  png_init_io(pp, fp);
+
+ /*
+  * Get the image dimensions and load the output image...
+  */
+
+  png_read_info(pp, info);
+
+  if (info->color_type == PNG_COLOR_TYPE_PALETTE)
+    png_set_expand(pp);
+
+  if (info->color_type == PNG_COLOR_TYPE_GRAY ||
+      info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+    img->colorspace = secondary;
+  else
+    img->colorspace = primary;
+
+  img->xsize = info->width;
+  img->ysize = info->height;
+
+  if (info->valid & PNG_INFO_pHYs &&
+      info->phys_unit_type == PNG_RESOLUTION_METER)
+  {
+    img->xppi = (int)((float)info->x_pixels_per_unit * 0.0254);
+    img->yppi = (int)((float)info->y_pixels_per_unit * 0.0254);
+  }
+
+  ImageSetMaxTiles(img, 0);
+
+  if (info->bit_depth < 8)
+  {
+    png_set_packing(pp);
+
+    if (info->valid & PNG_INFO_sBIT)
+      png_set_shift(pp, &(info->sig_bit));
+  }
+  else if (info->bit_depth == 16)
+    png_set_strip_16(pp);
+
+  passes = png_set_interlace_handling(pp);
+
+ /*
+  * Handle transparency...
+  */
+
+  if (png_get_valid(pp, info, PNG_INFO_tRNS))
+    png_set_tRNS_to_alpha(pp);
+
+  bg.red   = 65535;
+  bg.green = 65535;
+  bg.blue  = 65535;
+
+  png_set_background(pp, &bg, PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
+
+  if (passes == 1)
+  {
+   /*
+    * Load one row at a time...
+    */
+
+    if (info->color_type == PNG_COLOR_TYPE_GRAY ||
+	info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+      in = malloc(img->xsize);
+    else
+      in = malloc(img->xsize * 3);
+  }
+  else
+  {
+   /*
+    * Interlaced images must be loaded all at once...
+    */
+
+    if (info->color_type == PNG_COLOR_TYPE_GRAY ||
+	info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+      in = malloc(img->xsize * img->ysize);
+    else
+      in = malloc(img->xsize * img->ysize * 3);
+  }
+
+  bpp = ImageGetDepth(img);
+  out = malloc(img->xsize * bpp);
+
+ /*
+  * Read the image, interlacing as needed...
+  */
+
+  for (pass = 1; pass <= passes; pass ++)
+    for (inptr = in, y = 0; y < img->ysize; y ++)
+    {
+      png_read_row(pp, (png_bytep)inptr, NULL);
+
+      if (pass == passes)
+      {
+       /*
+        * Output this row...
+	*/
+
+	if (info->color_type == PNG_COLOR_TYPE_GRAY ||
+	     info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+	{
+	  switch (img->colorspace)
+	  {
+	    case IMAGE_WHITE :
+		memcpy(out, inptr, img->xsize);
+		break;
+	    case IMAGE_RGB :
+		ImageWhiteToRGB(inptr, out, img->xsize);
+		break;
+	    case IMAGE_BLACK :
+		ImageWhiteToBlack(inptr, out, img->xsize);
+		break;
+	    case IMAGE_CMY :
+		ImageWhiteToCMY(inptr, out, img->xsize);
+		break;
+	    case IMAGE_CMYK :
+		ImageWhiteToCMYK(inptr, out, img->xsize);
+		break;
+	  }
+	}
+	else
+	{
+	  if ((saturation != 100 || hue != 0) && bpp > 1)
+	    ImageRGBAdjust(inptr, img->xsize, saturation, hue);
+
+	  switch (img->colorspace)
+	  {
+	    case IMAGE_WHITE :
+		ImageRGBToWhite(inptr, out, img->xsize);
+		break;
+	    case IMAGE_RGB :
+		memcpy(out, inptr, img->xsize * 3);
+		break;
+	    case IMAGE_BLACK :
+		ImageRGBToBlack(inptr, out, img->xsize);
+		break;
+	    case IMAGE_CMY :
+		ImageRGBToCMY(inptr, out, img->xsize);
+		break;
+	    case IMAGE_CMYK :
+		ImageRGBToCMYK(inptr, out, img->xsize);
+		break;
+	  }
+	}
+
+	if (lut)
+	  ImageLut(out, img->xsize * bpp, lut);
+
+	ImagePutRow(img, 0, y, img->xsize, out);
+      }
+
+      if (passes > 1)
+      {
+	if (info->color_type == PNG_COLOR_TYPE_GRAY ||
+		 info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+          inptr += img->xsize;
+	else
+          inptr += img->xsize * 3;
+      }
+    }
+
+  png_read_end(pp, info);
+  png_read_destroy(pp, info, NULL);
+
+  fclose(fp);
+  free(in);
+  free(out);
+
+  return (0);
+}
+
+
+#endif /* HAVE_LIBPNG && HAVE_LIBZ */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-pnm.c b/filter/image-pnm.c
new file mode 100644
index 000000000..c681d4e69
--- /dev/null
+++ b/filter/image-pnm.c
@@ -0,0 +1,288 @@
+/*
+ * "$Id$"
+ *
+ *   Portable Any Map file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadPNM() - Read a PNM image file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+#include <ctype.h>
+
+
+/*
+ * 'ImageReadPNM()' - Read a PNM image file.
+ */
+
+int					/* O - Read status */
+ImageReadPNM(image_t    *img,		/* IO - Image */
+             FILE       *fp,		/* I - Image file */
+             int        primary,	/* I - Primary choice for colorspace */
+             int        secondary,	/* I - Secondary choice for colorspace */
+             int        saturation,	/* I - Color saturation (%) */
+             int        hue,		/* I - Color hue (degrees) */
+	     const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  int		x, y;		/* Looping vars */
+  int		bpp;		/* Bytes per pixel */
+  ib_t		*in,		/* Input pixels */
+		*inptr,		/* Current input pixel */
+		*out,		/* Output pixels */
+		*outptr,	/* Current output pixel */
+		bit;		/* Bit in input line */
+  char		line[255],	/* Input line */
+		*lineptr;	/* Pointer in line */
+  int		format,		/* Format of PNM file */
+		val,		/* Pixel value */
+		maxval;		/* Maximum pixel value */
+
+
+ /*
+  * Read the file header in the format:
+  *
+  *   Pformat
+  *   # comment1
+  *   # comment2
+  *   ...
+  *   # commentN
+  *   width
+  *   height
+  *   max sample
+  */
+
+  lineptr = fgets(line, sizeof(line), fp);
+  lineptr ++;
+
+  format = atoi(lineptr);
+  while (isdigit(*lineptr))
+    lineptr ++;
+
+  while (lineptr != NULL && img->xsize == 0)
+  {
+    if (*lineptr == '\0' || *lineptr == '#')
+      lineptr = fgets(line, sizeof(line), fp);
+    else if (isdigit(*lineptr))
+    {
+      img->xsize = atoi(lineptr);
+      while (isdigit(*lineptr))
+	lineptr ++;
+    }
+    else
+      lineptr ++;
+  }
+
+  while (lineptr != NULL && img->ysize == 0)
+  {
+    if (*lineptr == '\0' || *lineptr == '#')
+      lineptr = fgets(line, sizeof(line), fp);
+    else if (isdigit(*lineptr))
+    {
+      img->ysize = atoi(lineptr);
+      while (isdigit(*lineptr))
+	lineptr ++;
+    }
+    else
+      lineptr ++;
+  }
+
+  if (format != 1 && format != 4)
+  {
+    maxval = 0;
+
+    while (lineptr != NULL && maxval == 0)
+    {
+      if (*lineptr == '\0' || *lineptr == '#')
+	lineptr = fgets(line, sizeof(line), fp);
+      else if (isdigit(*lineptr))
+      {
+	maxval = atoi(lineptr);
+	while (isdigit(*lineptr))
+	  lineptr ++;
+      }
+      else
+	lineptr ++;
+    }
+  }
+  else
+    maxval = 1;
+
+  if (format == 1 || format == 2 || format == 4 || format == 5)
+    img->colorspace = secondary;
+  else
+    img->colorspace = primary;
+
+  ImageSetMaxTiles(img, 0);
+
+  bpp = ImageGetDepth(img);
+  in  = malloc(img->xsize * 3);
+  out = malloc(img->xsize * bpp);
+
+ /*
+  * Read the image file...
+  */
+
+  for (y = 0; y < img->ysize; y ++)
+  {
+    switch (format)
+    {
+      case 1 :
+      case 2 :
+          for (x = img->xsize, inptr = in; x > 0; x --, inptr ++)
+            if (fscanf(fp, "%d", &val) == 1)
+              *inptr = 255 * val / maxval;
+          break;
+
+      case 3 :
+          for (x = img->xsize, inptr = in; x > 0; x --, inptr += 3)
+          {
+            if (fscanf(fp, "%d", &val) == 1)
+              inptr[0] = 255 * val / maxval;
+            if (fscanf(fp, "%d", &val) == 1)
+              inptr[1] = 255 * val / maxval;
+            if (fscanf(fp, "%d", &val) == 1)
+              inptr[2] = 255 * val / maxval;
+          }
+          break;
+
+      case 4 :
+          fread(out, (img->xsize + 7) / 8, 1, fp);
+          for (x = img->xsize, inptr = in, outptr = out, bit = 128;
+               x > 0;
+               x --, inptr ++)
+          {
+            if (*outptr & bit)
+              *inptr = 255;
+            else
+              *inptr = 0;
+
+            if (bit > 1)
+              bit >>= 1;
+            else
+            {
+              bit = 128;
+              inptr ++;
+            }
+          }
+          break;
+
+      case 5 :
+          fread(in, img->xsize, 1, fp);
+          break;
+
+      case 6 :
+          fread(in, img->xsize, 3, fp);
+          break;
+    }
+
+    switch (format)
+    {
+      case 1 :
+      case 2 :
+      case 4 :
+      case 5 :
+          if (img->colorspace == IMAGE_WHITE)
+	  {
+	    if (lut)
+	      ImageLut(in, img->xsize, lut);
+
+            ImagePutRow(img, 0, y, img->xsize, in);
+	  }
+	  else
+	  {
+	    switch (img->colorspace)
+	    {
+	      case IMAGE_RGB :
+		  ImageWhiteToRGB(in, out, img->xsize);
+		  break;
+	      case IMAGE_BLACK :
+		  ImageWhiteToBlack(in, out, img->xsize);
+		  break;
+	      case IMAGE_CMY :
+		  ImageWhiteToCMY(in, out, img->xsize);
+		  break;
+	      case IMAGE_CMYK :
+		  ImageWhiteToCMYK(in, out, img->xsize);
+		  break;
+	    }
+
+	    if (lut)
+	      ImageLut(out, img->xsize * bpp, lut);
+
+            ImagePutRow(img, 0, y, img->xsize, out);
+	  }
+	  break;
+
+      default :
+	  if ((saturation != 100 || hue != 0) && bpp > 1)
+	    ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+	  if (img->colorspace == IMAGE_RGB)
+	  {
+	    if (lut)
+	      ImageLut(in, img->xsize * 3, lut);
+
+            ImagePutRow(img, 0, y, img->xsize, in);
+	  }
+	  else
+	  {
+	    switch (img->colorspace)
+	    {
+	      case IMAGE_WHITE :
+		  ImageRGBToWhite(in, out, img->xsize);
+		  break;
+	      case IMAGE_BLACK :
+		  ImageRGBToBlack(in, out, img->xsize);
+		  break;
+	      case IMAGE_CMY :
+		  ImageRGBToCMY(in, out, img->xsize);
+		  break;
+	      case IMAGE_CMYK :
+		  ImageRGBToCMYK(in, out, img->xsize);
+		  break;
+	    }
+
+	    if (lut)
+	      ImageLut(out, img->xsize * bpp, lut);
+
+            ImagePutRow(img, 0, y, img->xsize, out);
+	  }
+  	  break;
+    }
+  }
+
+  free(in);
+  free(out);
+
+  fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-sgi.c b/filter/image-sgi.c
new file mode 100644
index 000000000..ea27aa03d
--- /dev/null
+++ b/filter/image-sgi.c
@@ -0,0 +1,267 @@
+/*
+ * "$Id$"
+ *
+ *   SGI image file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadSGI() - Read a SGI image file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+#include "image-sgi.h"
+
+
+/*
+ * 'ImageReadSGI()' - Read a SGI image file.
+ */
+
+int					/* O - Read status */
+ImageReadSGI(image_t    *img,		/* IO - Image */
+             FILE       *fp,		/* I - Image file */
+             int        primary,	/* I - Primary choice for colorspace */
+             int        secondary,	/* I - Secondary choice for colorspace */
+             int        saturation,	/* I - Color saturation (%) */
+             int        hue,		/* I - Color hue (degrees) */
+	     const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  int		i, y;		/* Looping vars */
+  int		bpp;		/* Bytes per pixel */
+  sgi_t		*sgip;		/* SGI image file */
+  ib_t		*in,		/* Input pixels */
+		*inptr,		/* Current input pixel */
+		*out;		/* Output pixels */
+  unsigned short *rows[4],	/* Row pointers for image data */
+		*red,
+		*green,
+		*blue,
+		*gray,
+		*alpha;
+
+
+ /*
+  * Setup the SGI file...
+  */
+
+  sgip = sgiOpenFile(fp, SGI_READ, 0, 0, 0, 0, 0);
+
+ /*
+  * Get the image dimensions and load the output image...
+  */
+
+  if (sgip->zsize < 3)
+    img->colorspace = secondary;
+  else
+    img->colorspace = primary;
+
+  img->xsize = sgip->xsize;
+  img->ysize = sgip->ysize;
+
+  ImageSetMaxTiles(img, 0);
+
+  bpp = ImageGetDepth(img);
+  in  = malloc(img->xsize * sgip->zsize);
+  out = malloc(img->xsize * bpp);
+
+  rows[0] = calloc(img->xsize * sgip->zsize, sizeof(unsigned short));
+  for (i = 1; i < sgip->zsize; i ++)
+    rows[i] = rows[0] + i * img->xsize;
+
+ /*
+  * Read the SGI image file...
+  */
+
+  for (y = 0; y < img->ysize; y ++)
+  {
+    for (i = 0; i < sgip->zsize; i ++)
+      sgiGetRow(sgip, rows[i], img->ysize - 1 - y, i);
+
+    switch (sgip->zsize)
+    {
+      case 1 :
+          if (sgip->bpp == 1)
+	    for (i = img->xsize - 1, gray = rows[0], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = *gray++;
+            }
+          else
+	    for (i = img->xsize - 1, gray = rows[0], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = (*gray++) / 256 + 128;
+            }
+          break;
+      case 2 :
+          if (sgip->bpp == 1)
+	    for (i = img->xsize - 1, gray = rows[0], alpha = rows[1], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = (*gray++) * (*alpha++) / 255;
+            }
+          else
+	    for (i = img->xsize - 1, gray = rows[0], alpha = rows[1], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = ((*gray++) / 256 + 128) * (*alpha++) / 32767;
+            }
+          break;
+      case 3 :
+          if (sgip->bpp == 1)
+	    for (i = img->xsize - 1, red = rows[0], green = rows[1],
+	             blue = rows[2], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = *red++;
+              *inptr++ = *green++;
+              *inptr++ = *blue++;
+            }
+          else
+	    for (i = img->xsize - 1, red = rows[0], green = rows[1],
+	             blue = rows[2], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = (*red++) / 256 + 128;
+              *inptr++ = (*green++) / 256 + 128;
+              *inptr++ = (*blue++) / 256 + 128;
+            }
+          break;
+      case 4 :
+          if (sgip->bpp == 1)
+	    for (i = img->xsize - 1, red = rows[0], green = rows[1],
+	             blue = rows[2], alpha = rows[3], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = (*red++) * (*alpha) / 255;
+              *inptr++ = (*green++) * (*alpha) / 255;
+              *inptr++ = (*blue++) * (*alpha++) / 255;
+            }
+          else
+	    for (i = img->xsize - 1, red = rows[0], green = rows[1],
+	             blue = rows[2], alpha = rows[3], inptr = in;
+		 i >= 0;
+		 i --)
+            {
+              *inptr++ = ((*red++) / 256 + 128) * (*alpha) / 32767;
+              *inptr++ = ((*green++) / 256 + 128) * (*alpha) / 32767;
+              *inptr++ = ((*blue++) / 256 + 128) * (*alpha++) / 32767;
+            }
+          break;
+    }
+
+    if (sgip->zsize < 3)
+    {
+      if (img->colorspace == IMAGE_WHITE)
+      {
+        if (lut)
+	  ImageLut(in, img->xsize, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, in);
+      }
+      else
+      {
+	switch (img->colorspace)
+	{
+	  case IMAGE_RGB :
+	      ImageWhiteToRGB(in, out, img->xsize);
+	      break;
+	  case IMAGE_BLACK :
+	      ImageWhiteToBlack(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMY :
+	      ImageWhiteToCMY(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMYK :
+	      ImageWhiteToCMYK(in, out, img->xsize);
+	      break;
+	}
+
+        if (lut)
+	  ImageLut(out, img->xsize * bpp, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, out);
+      }
+    }
+    else
+    {
+      if (img->colorspace == IMAGE_RGB)
+      {
+	if (saturation != 100 || hue != 0)
+	  ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+        if (lut)
+	  ImageLut(in, img->xsize * 3, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, in);
+      }
+      else
+      {
+	if ((saturation != 100 || hue != 0) && bpp > 1)
+	  ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+	switch (img->colorspace)
+	{
+	  case IMAGE_WHITE :
+	      ImageRGBToWhite(in, out, img->xsize);
+	      break;
+	  case IMAGE_BLACK :
+	      ImageRGBToBlack(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMY :
+	      ImageRGBToCMY(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMYK :
+	      ImageRGBToCMYK(in, out, img->xsize);
+	      break;
+	}
+
+        if (lut)
+	  ImageLut(out, img->xsize * bpp, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, out);
+      }
+    }
+  }
+
+  free(in);
+  free(out);
+  free(rows[0]);
+
+  sgiClose(sgip);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-sgi.h b/filter/image-sgi.h
new file mode 100644
index 000000000..519038c6c
--- /dev/null
+++ b/filter/image-sgi.h
@@ -0,0 +1,94 @@
+/*
+ * "$Id$"
+ *
+ *   SGI image file format library definitions for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _SGI_H_
+#  define _SGI_H_
+
+#  include <stdio.h>
+#  include <stdlib.h>
+#  include <string.h>
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
+
+/*
+ * Constants...
+ */
+
+#  define SGI_MAGIC	474	/* Magic number in image file */
+
+#  define SGI_READ	0	/* Read from an SGI image file */
+#  define SGI_WRITE	1	/* Write to an SGI image file */
+
+#  define SGI_COMP_NONE	0	/* No compression */
+#  define SGI_COMP_RLE	1	/* Run-length encoding */
+#  define SGI_COMP_ARLE	2	/* Agressive run-length encoding */
+
+
+/*
+ * Image structure...
+ */
+
+typedef struct
+{
+  FILE			*file;		/* Image file */
+  int			mode,		/* File open mode */
+			bpp,		/* Bytes per pixel/channel */
+			comp;		/* Compression */
+  unsigned short	xsize,		/* Width in pixels */
+			ysize,		/* Height in pixels */
+			zsize;		/* Number of channels */
+  long			firstrow,	/* File offset for first row */
+			nextrow,	/* File offset for next row */
+			**table,	/* Offset table for compression */
+			**length;	/* Length table for compression */
+  unsigned short	*arle_row;	/* Advanced RLE compression buffer */
+  long			arle_offset,	/* Advanced RLE buffer offset */
+			arle_length;	/* Advanced RLE buffer length */
+} sgi_t;
+
+
+/*
+ * Prototypes...
+ */
+
+extern int	sgiClose(sgi_t *sgip);
+extern int	sgiGetRow(sgi_t *sgip, unsigned short *row, int y, int z);
+extern sgi_t	*sgiOpen(char *filename, int mode, int comp, int bpp,
+		         int xsize, int ysize, int zsize);
+extern sgi_t	*sgiOpenFile(FILE *file, int mode, int comp, int bpp,
+		             int xsize, int ysize, int zsize);
+extern int	sgiPutRow(sgi_t *sgip, unsigned short *row, int y, int z);
+
+#  ifdef __cplusplus
+}
+#  endif
+#endif /* !_SGI_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-sgilib.c b/filter/image-sgilib.c
new file mode 100644
index 000000000..598c41ca6
--- /dev/null
+++ b/filter/image-sgilib.c
@@ -0,0 +1,857 @@
+/*
+ * "$Id$"
+ *
+ *   SGI image file format library routines for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   sgiClose()    - Close an SGI image file.
+ *   sgiGetRow()   - Get a row of image data from a file.
+ *   sgiOpen()     - Open an SGI image file for reading or writing.
+ *   sgiOpenFile() - Open an SGI image file for reading or writing.
+ *   sgiPutRow()   - Put a row of image data to a file.
+ *   getlong()     - Get a 32-bit big-endian integer.
+ *   getshort()    - Get a 16-bit big-endian integer.
+ *   putlong()     - Put a 32-bit big-endian integer.
+ *   putshort()    - Put a 16-bit big-endian integer.
+ *   read_rle8()   - Read 8-bit RLE data.
+ *   read_rle16()  - Read 16-bit RLE data.
+ *   write_rle8()  - Write 8-bit RLE data.
+ *   write_rle16() - Write 16-bit RLE data.
+ */
+
+#include "image-sgi.h"
+
+
+/*
+ * Local functions...
+ */
+
+static int	getlong(FILE *);
+static int	getshort(FILE *);
+static int	putlong(long, FILE *);
+static int	putshort(unsigned short, FILE *);
+static int	read_rle8(FILE *, unsigned short *, int);
+static int	read_rle16(FILE *, unsigned short *, int);
+static int	write_rle8(FILE *, unsigned short *, int);
+static int	write_rle16(FILE *, unsigned short *, int);
+
+
+/*
+ * 'sgiClose()' - Close an SGI image file.
+ */
+
+int
+sgiClose(sgi_t *sgip)	/* I - SGI image */
+{
+  int	i;		/* Return status */
+  long	*offset;	/* Looping var for offset table */
+
+
+  if (sgip == NULL)
+    return (-1);
+
+  if (sgip->mode == SGI_WRITE && sgip->comp != SGI_COMP_NONE)
+  {
+   /*
+    * Write the scanline offset table to the file...
+    */
+
+    fseek(sgip->file, 512, SEEK_SET);
+
+    for (i = sgip->ysize * sgip->zsize, offset = sgip->table[0];
+         i > 0;
+         i --, offset ++)
+      if (putlong(offset[0], sgip->file) < 0)
+        return (-1);
+
+    for (i = sgip->ysize * sgip->zsize, offset = sgip->length[0];
+         i > 0;
+         i --, offset ++)
+      if (putlong(offset[0], sgip->file) < 0)
+        return (-1);
+  }
+
+  if (sgip->table != NULL)
+  {
+    free(sgip->table[0]);
+    free(sgip->table);
+  }
+
+  if (sgip->length != NULL)
+  {
+    free(sgip->length[0]);
+    free(sgip->length);
+  }
+
+  if (sgip->comp == SGI_COMP_ARLE)
+    free(sgip->arle_row);
+
+  i = fclose(sgip->file);
+  free(sgip);
+
+  return (i);
+}
+
+
+/*
+ * 'sgiGetRow()' - Get a row of image data from a file.
+ */
+
+int
+sgiGetRow(sgi_t          *sgip,	/* I - SGI image */
+          unsigned short *row,	/* O - Row to read */
+          int            y,	/* I - Line to read */
+          int            z)	/* I - Channel to read */
+{
+  int	x;			/* X coordinate */
+  long	offset;			/* File offset */
+
+
+  if (sgip == NULL ||
+      row == NULL ||
+      y < 0 || y >= sgip->ysize ||
+      z < 0 || z >= sgip->zsize)
+    return (-1);
+
+  switch (sgip->comp)
+  {
+    case SGI_COMP_NONE :
+       /*
+        * Seek to the image row - optimize buffering by only seeking if
+        * necessary...
+        */
+
+        offset = 512 + (y + z * sgip->ysize) * sgip->xsize * sgip->bpp;
+        if (offset != ftell(sgip->file))
+          fseek(sgip->file, offset, SEEK_SET);
+
+        if (sgip->bpp == 1)
+        {
+          for (x = sgip->xsize; x > 0; x --, row ++)
+            *row = getc(sgip->file);
+        }
+        else
+        {
+          for (x = sgip->xsize; x > 0; x --, row ++)
+            *row = getshort(sgip->file);
+        }
+        break;
+
+    case SGI_COMP_RLE :
+        offset = sgip->table[z][y];
+        if (offset != ftell(sgip->file))
+          fseek(sgip->file, offset, SEEK_SET);
+
+        if (sgip->bpp == 1)
+          return (read_rle8(sgip->file, row, sgip->xsize));
+        else
+          return (read_rle16(sgip->file, row, sgip->xsize));
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'sgiOpen()' - Open an SGI image file for reading or writing.
+ */
+
+sgi_t *
+sgiOpen(char *filename,	/* I - File to open */
+        int  mode,	/* I - Open mode (SGI_READ or SGI_WRITE) */
+        int  comp,	/* I - Type of compression */
+        int  bpp,	/* I - Bytes per pixel */
+        int  xsize,	/* I - Width of image in pixels */
+        int  ysize,	/* I - Height of image in pixels */
+        int  zsize)	/* I - Number of channels */
+{
+  sgi_t	*sgip;		/* New SGI image file */
+  FILE	*file;		/* Image file pointer */
+
+
+  if (mode == SGI_READ)
+    file = fopen(filename, "rb");
+  else
+    file = fopen(filename, "wb+");
+
+  if (file == NULL)
+    return (NULL);
+
+  if ((sgip = sgiOpenFile(file, mode, comp, bpp, xsize, ysize, zsize)) == NULL)
+    fclose(file);
+
+  return (sgip);
+}
+
+
+/*
+ * 'sgiOpenFile()' - Open an SGI image file for reading or writing.
+ */
+
+sgi_t *
+sgiOpenFile(FILE *file,	/* I - File to open */
+            int  mode,	/* I - Open mode (SGI_READ or SGI_WRITE) */
+            int  comp,	/* I - Type of compression */
+            int  bpp,	/* I - Bytes per pixel */
+            int  xsize,	/* I - Width of image in pixels */
+            int  ysize,	/* I - Height of image in pixels */
+            int  zsize)	/* I - Number of channels */
+{
+  int	i, j;		/* Looping var */
+  char	name[80];	/* Name of file in image header */
+  short	magic;		/* Magic number */
+  sgi_t	*sgip;		/* New image pointer */
+
+
+  if ((sgip = calloc(sizeof(sgi_t), 1)) == NULL)
+    return (NULL);
+
+  sgip->file = file;
+
+  switch (mode)
+  {
+    case SGI_READ :
+        sgip->mode = SGI_READ;
+
+        magic = getshort(sgip->file);
+        if (magic != SGI_MAGIC)
+        {
+          free(sgip);
+          return (NULL);
+        }
+
+        sgip->comp  = getc(sgip->file);
+        sgip->bpp   = getc(sgip->file);
+        getshort(sgip->file);		/* Dimensions */
+        sgip->xsize = getshort(sgip->file);
+        sgip->ysize = getshort(sgip->file);
+        sgip->zsize = getshort(sgip->file);
+        getlong(sgip->file);		/* Minimum pixel */
+        getlong(sgip->file);		/* Maximum pixel */
+
+        if (sgip->comp)
+        {
+         /*
+          * This file is compressed; read the scanline tables...
+          */
+
+          fseek(sgip->file, 512, SEEK_SET);
+
+          sgip->table    = calloc(sgip->zsize, sizeof(long *));
+          sgip->table[0] = calloc(sgip->ysize * sgip->zsize, sizeof(long));
+          for (i = 1; i < sgip->zsize; i ++)
+            sgip->table[i] = sgip->table[0] + i * sgip->ysize;
+
+          for (i = 0; i < sgip->zsize; i ++)
+            for (j = 0; j < sgip->ysize; j ++)
+              sgip->table[i][j] = getlong(sgip->file);
+        }
+        break;
+
+    case SGI_WRITE :
+	if (xsize < 1 ||
+	    ysize < 1 ||
+	    zsize < 1 ||
+	    bpp < 1 || bpp > 2 ||
+	    comp < SGI_COMP_NONE || comp > SGI_COMP_ARLE)
+        {
+          free(sgip);
+          return (NULL);
+        }
+
+        sgip->mode = SGI_WRITE;
+
+        putshort(SGI_MAGIC, sgip->file);
+        putc((sgip->comp = comp) != 0, sgip->file);
+        putc(sgip->bpp = bpp, sgip->file);
+        putshort(3, sgip->file);		/* Dimensions */
+        putshort(sgip->xsize = xsize, sgip->file);
+        putshort(sgip->ysize = ysize, sgip->file);
+        putshort(sgip->zsize = zsize, sgip->file);
+        if (bpp == 1)
+        {
+          putlong(0, sgip->file);	/* Minimum pixel */
+          putlong(255, sgip->file);	/* Maximum pixel */
+        }
+        else
+        {
+          putlong(-32768, sgip->file);	/* Minimum pixel */
+          putlong(32767, sgip->file);	/* Maximum pixel */
+        }
+        putlong(0, sgip->file);		/* Reserved */
+
+        memset(name, 0, sizeof(name));
+        fwrite(name, sizeof(name), 1, sgip->file);
+
+        for (i = 0; i < 102; i ++)
+          putlong(0, sgip->file);
+
+        switch (comp)
+        {
+          case SGI_COMP_NONE : /* No compression */
+             /*
+              * This file is uncompressed.  To avoid problems with sparse files,
+              * we need to write blank pixels for the entire image...
+              */
+
+              if (bpp == 1)
+              {
+        	for (i = xsize * ysize * zsize; i > 0; i --)
+        	  putc(0, sgip->file);
+              }
+              else
+              {
+        	for (i = xsize * ysize * zsize; i > 0; i --)
+        	  putshort(0, sgip->file);
+              }
+              break;
+
+          case SGI_COMP_ARLE : /* Aggressive RLE */
+              sgip->arle_row    = calloc(xsize, sizeof(unsigned short));
+              sgip->arle_offset = 0;
+
+          case SGI_COMP_RLE : /* Run-Length Encoding */
+             /*
+              * This file is compressed; write the (blank) scanline tables...
+              */
+
+              for (i = 2 * ysize * zsize; i > 0; i --)
+        	putlong(0, sgip->file);
+
+              sgip->firstrow = ftell(sgip->file);
+              sgip->nextrow  = ftell(sgip->file);
+              sgip->table    = calloc(sgip->zsize, sizeof(long *));
+              sgip->table[0] = calloc(sgip->ysize * sgip->zsize, sizeof(long));
+              for (i = 1; i < sgip->zsize; i ++)
+        	sgip->table[i] = sgip->table[0] + i * sgip->ysize;
+              sgip->length    = calloc(sgip->zsize, sizeof(long *));
+              sgip->length[0] = calloc(sgip->ysize * sgip->zsize, sizeof(long));
+              for (i = 1; i < sgip->zsize; i ++)
+        	sgip->length[i] = sgip->length[0] + i * sgip->ysize;
+              break;
+        }
+        break;
+
+    default :
+        free(sgip);
+        return (NULL);
+  }
+
+  return (sgip);
+}
+
+
+/*
+ * 'sgiPutRow()' - Put a row of image data to a file.
+ */
+
+int
+sgiPutRow(sgi_t          *sgip,	/* I - SGI image */
+          unsigned short *row,	/* I - Row to write */
+          int            y,	/* I - Line to write */
+          int            z)	/* I - Channel to write */
+{
+  int	x;		/* X coordinate */
+  long	offset;		/* File offset */
+
+
+  if (sgip == NULL ||
+      row == NULL ||
+      y < 0 || y >= sgip->ysize ||
+      z < 0 || z >= sgip->zsize)
+    return (-1);
+
+  switch (sgip->comp)
+  {
+    case SGI_COMP_NONE :
+       /*
+        * Seek to the image row - optimize buffering by only seeking if
+        * necessary...
+        */
+
+        offset = 512 + (y + z * sgip->ysize) * sgip->xsize * sgip->bpp;
+        if (offset != ftell(sgip->file))
+          fseek(sgip->file, offset, SEEK_SET);
+
+        if (sgip->bpp == 1)
+        {
+          for (x = sgip->xsize; x > 0; x --, row ++)
+            putc(*row, sgip->file);
+        }
+        else
+        {
+          for (x = sgip->xsize; x > 0; x --, row ++)
+            putshort(*row, sgip->file);
+        }
+        break;
+
+    case SGI_COMP_ARLE :
+        if (sgip->table[z][y] != 0)
+          return (-1);
+
+       /*
+        * First check the last row written...
+        */
+
+        if (sgip->arle_offset > 0)
+        {
+          for (x = 0; x < sgip->xsize; x ++)
+            if (row[x] != sgip->arle_row[x])
+              break;
+
+          if (x == sgip->xsize)
+          {
+            sgip->table[z][y]  = sgip->arle_offset;
+            sgip->length[z][y] = sgip->arle_length;
+            return (0);
+          }
+        }
+
+       /*
+        * If that didn't match, search all the previous rows...
+        */
+
+        fseek(sgip->file, sgip->firstrow, SEEK_SET);
+
+        if (sgip->bpp == 1)
+        {
+          for (;;)
+          {
+            sgip->arle_offset = ftell(sgip->file);
+            if ((sgip->arle_length = read_rle8(sgip->file, sgip->arle_row, sgip->xsize)) < 0)
+            {
+              x = 0;
+              break;
+            }
+
+            if (memcmp(row, sgip->arle_row, sgip->xsize * sizeof(unsigned short)) == 0)
+	    {
+	      x = sgip->xsize;
+	      break;
+	    }
+          }
+        }
+        else
+        {
+          for (;;)
+          {
+            sgip->arle_offset = ftell(sgip->file);
+            if ((sgip->arle_length = read_rle16(sgip->file, sgip->arle_row, sgip->xsize)) < 0)
+            {
+              x = 0;
+              break;
+            }
+
+            if (memcmp(row, sgip->arle_row, sgip->xsize * sizeof(unsigned short)) == 0)
+	    {
+	      x = sgip->xsize;
+	      break;
+	    }
+          }
+        }
+
+	if (x == sgip->xsize)
+	{
+          sgip->table[z][y]  = sgip->arle_offset;
+          sgip->length[z][y] = sgip->arle_length;
+          return (0);
+	}
+	else
+	  fseek(sgip->file, 0, SEEK_END);	/* Clear EOF */
+
+    case SGI_COMP_RLE :
+        if (sgip->table[z][y] != 0)
+          return (-1);
+
+        offset = sgip->table[z][y] = sgip->nextrow;
+
+        if (offset != ftell(sgip->file))
+          fseek(sgip->file, offset, SEEK_SET);
+
+        if (sgip->bpp == 1)
+          x = write_rle8(sgip->file, row, sgip->xsize);
+        else
+          x = write_rle16(sgip->file, row, sgip->xsize);
+
+        if (sgip->comp == SGI_COMP_ARLE)
+        {
+          sgip->arle_offset = offset;
+          sgip->arle_length = x;
+          memcpy(sgip->arle_row, row, sgip->xsize * sizeof(unsigned short));
+        }
+
+        sgip->nextrow      = ftell(sgip->file);
+        sgip->length[z][y] = x;
+
+        return (x);
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'getlong()' - Get a 32-bit big-endian integer.
+ */
+
+static int
+getlong(FILE *fp)	/* I - File to read from */
+{
+  unsigned char	b[4];
+
+
+  fread(b, 4, 1, fp);
+  return ((b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]);
+}
+
+
+/*
+ * 'getshort()' - Get a 16-bit big-endian integer.
+ */
+
+static int
+getshort(FILE *fp)	/* I - File to read from */
+{
+  unsigned char	b[2];
+
+
+  fread(b, 2, 1, fp);
+  return ((b[0] << 8) | b[1]);
+}
+
+
+/*
+ * 'putlong()' - Put a 32-bit big-endian integer.
+ */
+
+static int
+putlong(long n,		/* I - Long to write */
+        FILE *fp)	/* I - File to write to */
+{
+  if (putc(n >> 24, fp) == EOF)
+    return (EOF);
+  if (putc(n >> 16, fp) == EOF)
+    return (EOF);
+  if (putc(n >> 8, fp) == EOF)
+    return (EOF);
+  if (putc(n, fp) == EOF)
+    return (EOF);
+  else
+    return (0);
+}
+
+
+/*
+ * 'putshort()' - Put a 16-bit big-endian integer.
+ */
+
+static int
+putshort(unsigned short n,	/* I - Short to write */
+         FILE           *fp)	/* I - File to write to */
+{
+  if (putc(n >> 8, fp) == EOF)
+    return (EOF);
+  if (putc(n, fp) == EOF)
+    return (EOF);
+  else
+    return (0);
+}
+
+
+/*
+ * 'read_rle8()' - Read 8-bit RLE data.
+ */
+
+static int
+read_rle8(FILE           *fp,	/* I - File to read from */
+          unsigned short *row,	/* O - Data */
+          int            xsize)	/* I - Width of data in pixels */
+{
+  int	i,		/* Looping var */
+	ch,		/* Current character */
+	count,		/* RLE count */
+	length;		/* Number of bytes read... */
+
+
+  length = 0;
+
+  while (xsize > 0)
+  {
+    if ((ch = getc(fp)) == EOF)
+      return (-1);
+    length ++;
+
+    count = ch & 127;
+    if (count == 0)
+      break;
+
+    if (ch & 128)
+    {
+      for (i = 0; i < count; i ++, row ++, xsize --, length ++)
+        *row = getc(fp);
+    }
+    else
+    {
+      ch = getc(fp);
+      length ++;
+      for (i = 0; i < count; i ++, row ++, xsize --)
+        *row = ch;
+    }
+  }
+
+  return (xsize > 0 ? -1 : length);
+}
+
+
+/*
+ * 'read_rle16()' - Read 16-bit RLE data.
+ */
+
+static int
+read_rle16(FILE           *fp,	/* I - File to read from */
+           unsigned short *row,	/* O - Data */
+           int            xsize)/* I - Width of data in pixels */
+{
+  int	i,		/* Looping var */
+	ch,		/* Current character */
+	count,		/* RLE count */
+	length;		/* Number of bytes read... */
+
+
+  length = 0;
+
+  while (xsize > 0)
+  {
+    if ((ch = getshort(fp)) == EOF)
+      return (-1);
+    length ++;
+
+    count = ch & 127;
+    if (count == 0)
+      break;
+
+    if (ch & 128)
+    {
+      for (i = 0; i < count; i ++, row ++, xsize --, length ++)
+        *row = getshort(fp);
+    }
+    else
+    {
+      ch = getshort(fp);
+      length ++;
+      for (i = 0; i < count; i ++, row ++, xsize --)
+        *row = ch;
+    }
+  }
+
+  return (xsize > 0 ? -1 : length * 2);
+}
+
+
+/*
+ * 'write_rle8()' - Write 8-bit RLE data.
+ */
+
+static int
+write_rle8(FILE           *fp,	/* I - File to write to */
+           unsigned short *row,	/* I - Data */
+           int            xsize)/* I - Width of data in pixels */
+{
+  int		length,
+		count,
+		i,
+		x;
+  unsigned short *start,
+		repeat;
+
+
+  for (x = xsize, length = 0; x > 0;)
+  {
+    start = row;
+    row   += 2;
+    x     -= 2;
+
+    while (x > 0 && (row[-2] != row[-1] || row[-1] != row[0]))
+    {
+      row ++;
+      x --;
+    }
+
+    row -= 2;
+    x   += 2;
+
+    count = row - start;
+    while (count > 0)
+    {
+      i     = count > 126 ? 126 : count;
+      count -= i;
+
+      if (putc(128 | i, fp) == EOF)
+        return (-1);
+      length ++;
+
+      while (i > 0)
+      {
+	if (putc(*start, fp) == EOF)
+          return (-1);
+        start ++;
+        i --;
+        length ++;
+      }
+    }
+
+    if (x <= 0)
+      break;
+
+    start  = row;
+    repeat = row[0];
+
+    row ++;
+    x --;
+
+    while (x > 0 && *row == repeat)
+    {
+      row ++;
+      x --;
+    }
+
+    count = row - start;
+    while (count > 0)
+    {
+      i     = count > 126 ? 126 : count;
+      count -= i;
+
+      if (putc(i, fp) == EOF)
+        return (-1);
+      length ++;
+
+      if (putc(repeat, fp) == EOF)
+        return (-1);
+      length ++;
+    }
+  }
+
+  length ++;
+
+  if (putc(0, fp) == EOF)
+    return (-1);
+  else
+    return (length);
+}
+
+
+/*
+ * 'write_rle16()' - Write 16-bit RLE data.
+ */
+
+static int
+write_rle16(FILE           *fp,  /* I - File to write to */
+            unsigned short *row, /* I - Data */
+            int            xsize)/* I - Width of data in pixels */
+{
+  int		length,
+		count,
+		i,
+		x;
+  unsigned short *start,
+		repeat;
+
+
+  for (x = xsize, length = 0; x > 0;)
+  {
+    start = row;
+    row   += 2;
+    x     -= 2;
+
+    while (x > 0 && (row[-2] != row[-1] || row[-1] != row[0]))
+    {
+      row ++;
+      x --;
+    }
+
+    row -= 2;
+    x   += 2;
+
+    count = row - start;
+    while (count > 0)
+    {
+      i     = count > 126 ? 126 : count;
+      count -= i;
+
+      if (putshort(128 | i, fp) == EOF)
+        return (-1);
+      length ++;
+
+      while (i > 0)
+      {
+	if (putshort(*start, fp) == EOF)
+          return (-1);
+        start ++;
+        i --;
+        length ++;
+      }
+    }
+
+    if (x <= 0)
+      break;
+
+    start  = row;
+    repeat = row[0];
+
+    row ++;
+    x --;
+
+    while (x > 0 && *row == repeat)
+    {
+      row ++;
+      x --;
+    }
+
+    count = row - start;
+    while (count > 0)
+    {
+      i     = count > 126 ? 126 : count;
+      count -= i;
+
+      if (putshort(i, fp) == EOF)
+        return (-1);
+      length ++;
+
+      if (putshort(repeat, fp) == EOF)
+        return (-1);
+      length ++;
+    }
+  }
+
+  length ++;
+
+  if (putshort(0, fp) == EOF)
+    return (-1);
+  else
+    return (2 * length);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-sun.c b/filter/image-sun.c
new file mode 100644
index 000000000..418ca4643
--- /dev/null
+++ b/filter/image-sun.c
@@ -0,0 +1,377 @@
+/*
+ * "$Id$"
+ *
+ *   Sun Raster image file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadSunRaster() - Read a SunRaster image file.
+ *   read_unsigned()      - Read a 32-bit unsigned integer.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+
+#define	RAS_MAGIC	0x59a66a95
+
+	/* Sun supported ras_type's */
+#define RT_OLD		0	/* Raw pixrect image in 68000 byte order */
+#define RT_STANDARD	1	/* Raw pixrect image in 68000 byte order */
+#define RT_BYTE_ENCODED	2	/* Run-length compression of bytes */
+#define RT_FORMAT_RGB   3       /* XRGB or RGB instead of XBGR or BGR */
+#define RT_EXPERIMENTAL 0xffff	/* Reserved for testing */
+
+	/* Sun registered ras_maptype's */
+#define RMT_RAW		2
+	/* Sun supported ras_maptype's */
+#define RMT_NONE	0	/* ras_maplength is expected to be 0 */
+#define RMT_EQUAL_RGB	1	/* red[ras_maplength/3],green[],blue[] */
+
+#define RAS_RLE 0x80
+
+/*
+ * NOTES:
+ * 	Each line of the image is rounded out to a multiple of 16 bits.
+ *   This corresponds to the rounding convention used by the memory pixrect
+ *   package (/usr/include/pixrect/memvar.h) of the SunWindows system.
+ *	The ras_encoding field (always set to 0 by Sun's supported software)
+ *   was renamed to ras_length in release 2.0.  As a result, rasterfiles
+ *   of type 0 generated by the old software claim to have 0 length; for
+ *   compatibility, code reading rasterfiles must be prepared to compute the
+ *   true length from the width, height, and depth fields.
+ */
+
+/*
+ * Local functions...
+ */
+
+static unsigned	read_unsigned(FILE *fp);
+
+
+/*
+ * 'ImageReadSunRaster()' - Read a SunRaster image file.
+ */
+
+int					/* O - Read status */
+ImageReadSunRaster(image_t    *img,	/* IO - Image */
+        	   FILE       *fp,	/* I - Image file */
+        	   int        primary,	/* I - Primary choice for colorspace */
+        	   int        secondary,/* I - Secondary choice for colorspace */
+        	   int        saturation,/* I - Color saturation (%) */
+        	   int        hue,	/* I - Color hue (degrees) */
+		   const ib_t *lut)	/* I - Lookup table for gamma/brightness */
+{
+  int		i, x, y,
+		bpp,			/* Bytes per pixel */
+		scanwidth,
+		run_count,
+		run_value;
+  ib_t		*in,
+		*out,
+		*scanline,
+		*scanptr,
+		*p,
+		bit;
+  unsigned	ras_depth,		/* depth (1, 8, or 24 bits) of pixel */
+		ras_type,		/* type of file; see RT_* below */
+		ras_maplength;		/* length (bytes) of following map */
+  unsigned char	cmap[3][256];		/* colormap */
+
+
+ /*
+  * Read the header; we already know that this is a raster file (ImageOpen
+  * checks this) so we don't need to check the magic number again.
+  */
+
+  read_unsigned(fp); /* Skip magic */
+  img->xsize    = read_unsigned(fp);
+  img->ysize    = read_unsigned(fp);
+  ras_depth     = read_unsigned(fp);
+  /* ras_length */read_unsigned(fp);
+  ras_type      = read_unsigned(fp);
+  /* ras_maptype*/read_unsigned(fp);
+  ras_maplength = read_unsigned(fp);
+
+  if (ras_maplength > 0)
+  {
+    fread(cmap[0], 1, ras_maplength / 3, fp);
+    fread(cmap[1], 1, ras_maplength / 3, fp);
+    fread(cmap[2], 1, ras_maplength / 3, fp);
+  }
+
+ /*
+  * Compute the width of each line and allocate memory as needed...
+  */
+
+  scanwidth = (img->xsize * ras_depth + 7) / 8;
+  if (scanwidth & 1)
+    scanwidth ++;
+
+  if (ras_depth < 24 && ras_maplength == 0)
+  {
+    img->colorspace = secondary;
+    in = malloc(img->xsize + 1);
+  }
+  else
+  {
+    img->colorspace = primary;
+    in = malloc(img->xsize * 3 + 1);
+  }
+
+  bpp       = ImageGetDepth(img);
+  out       = malloc(img->xsize * bpp);
+  scanline  = malloc(scanwidth);
+  run_count = 0;
+  run_value = 0;
+
+  for (y = 0; y < img->ysize; y ++)
+  {
+    if (ras_depth != 8 || ras_maplength > 0)
+      p = scanline;
+    else
+      p = in;
+
+    if (ras_type != RT_BYTE_ENCODED)
+      fread(p, scanwidth, 1, fp);
+    else
+    {
+      for (i = scanwidth; i > 0; i --, p ++)
+      {
+        if (run_count > 0)
+        {
+          *p = run_value;
+          run_count --;
+        }
+        else
+        {
+          run_value = getc(fp);
+
+          if (run_value == RAS_RLE)
+          {
+            run_count = getc(fp);
+            if (run_count == 0)
+              *p = RAS_RLE;
+            else
+              run_value = *p = getc(fp);
+          }
+          else
+            *p = run_value;
+        }
+      }
+    }
+
+    if (ras_depth == 1 && ras_maplength == 0)
+    {
+     /*
+      * 1-bit B&W image...
+      */
+
+      for (x = img->xsize, bit = 128, scanptr = scanline, p = in;
+           x > 0;
+           x --, p ++)
+      {
+	if (*scanptr & bit)
+          *p = 255;
+        else
+          *p = 0;
+
+	if (bit > 1)
+	{
+          bit = 128;
+          scanptr ++;
+	}
+	else
+          bit >>= 1;
+      }
+    }
+    else if (ras_depth == 1)
+    {
+     /*
+      * 1-bit colormapped image...
+      */
+
+      for (x = img->xsize, bit = 128, scanptr = scanline, p = in;
+           x > 0;
+           x --)
+      {
+	if (*scanptr & bit)
+	{
+          *p++ = cmap[0][1];
+          *p++ = cmap[1][1];
+          *p++ = cmap[2][1];
+	}
+        else
+	{
+          *p++ = cmap[0][0];
+          *p++ = cmap[1][0];
+          *p++ = cmap[2][0];
+	}
+
+	if (bit > 1)
+	{
+          bit = 128;
+          scanptr ++;
+	}
+	else
+          bit >>= 1;
+      }
+    }
+    else if (ras_depth == 8 && ras_maplength > 0)
+    {
+     /*
+      * 8-bit colormapped image.
+      */
+
+      for (x = img->xsize, scanptr = scanline, p = in;
+           x > 0;
+           x --)
+      {
+        *p++ = cmap[0][*scanptr];
+        *p++ = cmap[1][*scanptr];
+        *p++ = cmap[2][*scanptr++];
+      }
+    }
+    else if (ras_depth == 24 && ras_type != RT_FORMAT_RGB)
+    {
+     /*
+      * Convert BGR to RGB...
+      */
+
+      for (x = img->xsize, scanptr = scanline, p = in;
+           x > 0;
+           x --, scanptr += 3)
+      {
+        *p++ = scanptr[2];
+        *p++ = scanptr[1];
+        *p++ = scanptr[0];
+      }
+    }
+
+    if (bpp == 1)
+    {
+      if (img->colorspace == IMAGE_WHITE)
+      {
+        if (lut)
+	  ImageLut(in, img->xsize, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, in);
+      }
+      else
+      {
+	switch (img->colorspace)
+	{
+	  case IMAGE_RGB :
+	      ImageWhiteToRGB(in, out, img->xsize);
+	      break;
+	  case IMAGE_BLACK :
+	      ImageWhiteToBlack(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMY :
+	      ImageWhiteToCMY(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMYK :
+	      ImageWhiteToCMYK(in, out, img->xsize);
+	      break;
+	}
+
+        if (lut)
+	  ImageLut(out, img->xsize * bpp, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, out);
+      }
+    }
+    else
+    {
+      if (img->colorspace == IMAGE_RGB)
+      {
+	if (saturation != 100 || hue != 0)
+	  ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+        if (lut)
+	  ImageLut(in, img->xsize * 3, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, in);
+      }
+      else
+      {
+	if ((saturation != 100 || hue != 0) && bpp > 1)
+	  ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+	switch (img->colorspace)
+	{
+	  case IMAGE_WHITE :
+	      ImageRGBToWhite(in, out, img->xsize);
+	      break;
+	  case IMAGE_BLACK :
+	      ImageRGBToBlack(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMY :
+	      ImageRGBToCMY(in, out, img->xsize);
+	      break;
+	  case IMAGE_CMYK :
+	      ImageRGBToCMYK(in, out, img->xsize);
+	      break;
+	}
+
+        if (lut)
+	  ImageLut(out, img->xsize * bpp, lut);
+
+        ImagePutRow(img, 0, y, img->xsize, out);
+      }
+    }
+  }
+
+  free(scanline);
+  free(in);
+  free(out);
+
+  fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * 'read_unsigned()' - Read a 32-bit unsigned integer.
+ */
+
+static unsigned		/* O - Integer from file */
+read_unsigned(FILE *fp)	/* I - File to read from */
+{
+  unsigned	v;	/* Integer from file */
+
+
+  v = getc(fp);
+  v = (v << 8) | getc(fp);
+  v = (v << 8) | getc(fp);
+  v = (v << 8) | getc(fp);
+
+  return (v);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-tiff.c b/filter/image-tiff.c
new file mode 100644
index 000000000..5e2237d4f
--- /dev/null
+++ b/filter/image-tiff.c
@@ -0,0 +1,1707 @@
+/*
+ * "$Id$"
+ *
+ *   TIFF file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageReadTIFF() - Read a TIFF image file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+#ifdef HAVE_LIBTIFF
+#  include <tiff.h>	/* TIFF image definitions */
+#  include <tiffio.h>
+#  include <unistd.h>
+
+
+/*
+ * 'ImageReadTIFF()' - Read a TIFF image file.
+ */
+
+int					/* O - Read status */
+ImageReadTIFF(image_t    *img,		/* IO - Image */
+              FILE       *fp,		/* I - Image file */
+              int        primary,	/* I - Primary choice for colorspace */
+              int        secondary,	/* I - Secondary choice for colorspace */
+              int        saturation,	/* I - Color saturation (%) */
+              int        hue,		/* I - Color hue (degrees) */
+	      const ib_t *lut)		/* I - Lookup table for gamma/brightness */
+{
+  TIFF		*tif;			/* TIFF file */
+  uint32	width, height;		/* Size of image */
+  uint16	photometric,		/* Colorspace */
+		compression,		/* Type of compression */
+		orientation,		/* Orientation */
+		resunit,		/* Units for resolution */
+		samples,		/* Number of samples/pixel */
+		bits,			/* Number of bits/pixel */
+		inkset,			/* Ink set for color separations */
+		numinks;		/* Number of inks in set */
+  float		xres,			/* Horizontal resolution */
+		yres;			/* Vertical resolution */
+  uint16	*redcmap,		/* Red colormap information */
+		*greencmap,		/* Green colormap information */
+		*bluecmap;		/* Blue colormap information */
+  int		c,			/* Color index */
+		num_colors,		/* Number of colors */
+		bpp,			/* Bytes per pixel */
+		x, y,			/* Current x & y */
+		row,			/* Current row in image */
+		xstart, ystart,		/* Starting x & y */
+		xdir, ydir,		/* X & y direction */
+		xcount, ycount,		/* X & Y counters */
+		pstep,			/* Pixel step (= bpp or -2 * bpp) */
+		scanwidth,		/* Width of scanline */
+		r, g, b, k,		/* Red, green, blue, and black values */
+		alpha;			/* Image includes alpha? */
+  ib_t		*in,			/* Input buffer */
+		*out,			/* Output buffer */
+		*p,			/* Pointer into buffer */
+		*scanline,		/* Scanline buffer */
+		*scanptr,		/* Pointer into scanline buffer */
+		bit,			/* Current bit */
+		pixel,			/* Current pixel */
+		zero,			/* Zero value (bitmaps) */
+		one;			/* One value (bitmaps) */
+
+
+ /*
+  * Open the TIFF file and get the required parameters...
+  */
+
+  lseek(fileno(fp), 0, SEEK_SET); /* Work around "feature" in some stdio's */
+
+  if ((tif = TIFFFdOpen(fileno(fp), "", "r")) == NULL)
+  {
+    fputs("ERROR: TIFFFdOpen() failed!\n", stderr);
+    fclose(fp);
+    return (-1);
+  }
+
+  if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &width))
+  {
+    fputs("ERROR: No image width tag in the file!\n", stderr);
+    TIFFClose(tif);
+    fclose(fp);
+    return (-1);
+  }
+
+  if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &height))
+  {
+    fputs("ERROR: No image height tag in the file!\n", stderr);
+    TIFFClose(tif);
+    fclose(fp);
+    return (-1);
+  }
+
+  if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &photometric))
+  {
+    fputs("ERROR: No photometric tag in the file!\n", stderr);
+    TIFFClose(tif);
+    fclose(fp);
+    return (-1);
+  }
+
+  if (!TIFFGetField(tif, TIFFTAG_COMPRESSION, &compression))
+  {
+    fputs("ERROR: No compression tag in the file!\n", stderr);
+    TIFFClose(tif);
+    fclose(fp);
+    return (-1);
+  }
+
+  if (!TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samples))
+    samples = 1;
+
+  if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &bits))
+    bits = 1;
+
+ /*
+  * Get the image orientation...
+  */
+
+  if (!TIFFGetField(tif, TIFFTAG_ORIENTATION, &orientation))
+    orientation = 0;
+
+ /*
+  * Get the image resolution...
+  */
+
+  if (TIFFGetField(tif, TIFFTAG_XRESOLUTION, &xres) &&
+      TIFFGetField(tif, TIFFTAG_YRESOLUTION, &yres) &&
+      TIFFGetField(tif, TIFFTAG_RESOLUTIONUNIT, &resunit))
+  {
+    if (resunit == RESUNIT_INCH)
+    {
+      img->xppi = xres;
+      img->yppi = yres;
+    }
+    else if (resunit == RESUNIT_CENTIMETER)
+    {
+      img->xppi = xres * 2.54;
+      img->yppi = yres * 2.54;
+    }
+    else
+    {
+      img->xppi = 128;
+      img->yppi = 128;
+    }
+
+    fprintf(stderr, "DEBUG: TIFF resolution = %fx%f, units=%d\n",
+            xres, yres, resunit);
+    fprintf(stderr, "DEBUG: Stored resolution = %dx%d PPI\n",
+            img->xppi, img->yppi);
+  }
+
+ /*
+  * See if the image has an alpha channel...
+  */
+
+  if (samples == 2 || (samples == 4 && photometric == PHOTOMETRIC_RGB))
+    alpha = 1;
+  else
+    alpha = 0;
+
+ /*
+  * Setup the image size and colorspace...
+  */
+
+  img->xsize = width;
+  img->ysize = height;
+  if (photometric == PHOTOMETRIC_MINISBLACK ||
+      photometric == PHOTOMETRIC_MINISWHITE)
+    img->colorspace = secondary;
+  else
+    img->colorspace = primary;
+
+  bpp = ImageGetDepth(img);
+
+  ImageSetMaxTiles(img, 0);
+
+ /*
+  * Set the X & Y start and direction according to the image orientation...
+  */
+
+  switch (orientation)
+  {
+    case ORIENTATION_TOPRIGHT :
+        fputs("DEBUG: orientation = top-right\n", stderr);
+        break;
+    case ORIENTATION_RIGHTTOP :
+        fputs("DEBUG: orientation = right-top\n", stderr);
+        break;
+    default :
+    case ORIENTATION_TOPLEFT :
+        fputs("DEBUG: orientation = top-left\n", stderr);
+        break;
+    case ORIENTATION_LEFTTOP :
+        fputs("DEBUG: orientation = left-top\n", stderr);
+        break;
+    case ORIENTATION_BOTLEFT :
+        fputs("DEBUG: orientation = bottom-left\n", stderr);
+        break;
+    case ORIENTATION_LEFTBOT :
+        fputs("DEBUG: orientation = left-bottom\n", stderr);
+        break;
+    case ORIENTATION_BOTRIGHT :
+        fputs("DEBUG: orientation = bottom-right\n", stderr);
+        break;
+    case ORIENTATION_RIGHTBOT :
+        fputs("DEBUG: orientation = right-bottom\n", stderr);
+        break;
+  }
+
+  switch (orientation)
+  {
+    case ORIENTATION_TOPRIGHT :
+    case ORIENTATION_RIGHTTOP :
+        xstart = img->xsize - 1;
+        xdir   = -1;
+        ystart = 0;
+        ydir   = 1;
+        break;
+    default :
+    case ORIENTATION_TOPLEFT :
+    case ORIENTATION_LEFTTOP :
+        xstart = 0;
+        xdir   = 1;
+        ystart = 0;
+        ydir   = 1;
+        break;
+    case ORIENTATION_BOTLEFT :
+    case ORIENTATION_LEFTBOT :
+        xstart = 0;
+        xdir   = 1;
+        ystart = img->ysize - 1;
+        ydir   = -1;
+        break;
+    case ORIENTATION_BOTRIGHT :
+    case ORIENTATION_RIGHTBOT :
+        xstart = img->xsize - 1;
+        xdir   = -1;
+        ystart = img->ysize - 1;
+        ydir   = -1;
+        break;
+  }
+
+ /*
+  * Allocate a scanline buffer...
+  */
+
+  scanwidth = TIFFScanlineSize(tif);
+  scanline  = _TIFFmalloc(scanwidth);
+
+ /*
+  * Allocate input and output buffers...
+  */
+
+  if (orientation < ORIENTATION_LEFTTOP)
+  {
+    if (samples > 1 || photometric == PHOTOMETRIC_PALETTE)
+      pstep = xdir * 3;
+    else
+      pstep = xdir;
+
+    in  = malloc(img->xsize * 3 + 3);
+    out = malloc(img->xsize * bpp);
+  }
+  else
+  {
+    if (samples > 1 || photometric == PHOTOMETRIC_PALETTE)
+      pstep = ydir * 3;
+    else
+      pstep = ydir;
+
+    in  = malloc(img->ysize * 3 + 3);
+    out = malloc(img->ysize * bpp);
+  }
+
+ /*
+  * Read the image.  This is greatly complicated by the fact that TIFF
+  * supports literally hundreds of different colorspaces and orientations,
+  * each which must be handled separately...
+  */
+
+  fprintf(stderr, "DEBUG: photometric = %d\n", photometric);
+  fprintf(stderr, "DEBUG: compression = %d\n", compression);
+
+  switch (photometric)
+  {
+    case PHOTOMETRIC_MINISWHITE :
+    case PHOTOMETRIC_MINISBLACK :
+        if (photometric == PHOTOMETRIC_MINISWHITE)
+        {
+          zero = 255;
+          one  = 0;
+        }
+        else
+        {
+          zero = 0;
+          one  = 255;
+        }
+
+        if (orientation < ORIENTATION_LEFTTOP)
+        {
+         /*
+          * Row major order...
+          */
+
+          for (y = ystart, ycount = img->ysize, row = 0;
+               ycount > 0;
+               ycount --, y += ydir, row ++)
+          {
+            if (bits == 1)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline, p = in + xstart, bit = 128;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+        	if (*scanptr & bit)
+                  *p = one;
+                else
+                  *p = zero;
+
+        	if (bit > 1)
+                  bit >>= 1;
+        	else
+        	{
+                  bit = 128;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 2)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline, p = in + xstart, bit = 0xc0;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+                pixel = *scanptr & bit;
+                while (pixel > 3)
+                  pixel >>= 2;
+                *p = (255 * pixel / 3) ^ zero;
+
+        	if (bit > 3)
+                  bit >>= 2;
+        	else
+        	{
+                  bit = 0xc0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 4)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline, p = in + xstart, bit = 0xf0;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+                if (bit == 0xf0)
+                {
+                  *p = (255 * ((*scanptr & 0xf0) >> 4) / 15) ^ zero;
+                  bit = 0x0f;
+                }
+                else
+        	{
+                  *p = (255 * (*scanptr & 0x0f) / 15) ^ zero;
+                  bit = 0xf0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (xdir < 0 || zero || alpha)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+
+              if (alpha)
+	      {
+        	if (zero)
+        	{
+                  for (xcount = img->xsize, p = in + xstart, scanptr = scanline;
+                       xcount > 0;
+                       xcount --, p += pstep, scanptr += 2)
+                    *p = (scanptr[1] * (255 - scanptr[0]) +
+		          (255 - scanptr[1]) * 255) / 255;
+        	}
+        	else
+        	{
+                  for (xcount = img->xsize, p = in + xstart, scanptr = scanline;
+                       xcount > 0;
+                       xcount --, p += pstep, scanptr += 2)
+                    *p = (scanptr[1] * scanptr[0] +
+		          (255 - scanptr[1]) * 255) / 255;
+        	}
+	      }
+	      else
+	      {
+        	if (zero)
+        	{
+                  for (xcount = img->xsize, p = in + xstart, scanptr = scanline;
+                       xcount > 0;
+                       xcount --, p += pstep, scanptr ++)
+                    *p = 255 - *scanptr;
+        	}
+        	else
+        	{
+                  for (xcount = img->xsize, p = in + xstart, scanptr = scanline;
+                       xcount > 0;
+                       xcount --, p += pstep, scanptr ++)
+                    *p = *scanptr;
+        	}
+              }
+            }
+            else
+              TIFFReadScanline(tif, in, row, 0);
+
+            if (img->colorspace == IMAGE_WHITE)
+	    {
+	      if (lut)
+	        ImageLut(in, img->xsize, lut);
+
+              ImagePutRow(img, 0, y, img->xsize, in);
+	    }
+            else
+            {
+	      switch (img->colorspace)
+	      {
+		case IMAGE_RGB :
+		    ImageWhiteToRGB(in, out, img->xsize);
+		    break;
+		case IMAGE_BLACK :
+		    ImageWhiteToBlack(in, out, img->xsize);
+		    break;
+		case IMAGE_CMY :
+		    ImageWhiteToCMY(in, out, img->xsize);
+		    break;
+		case IMAGE_CMYK :
+		    ImageWhiteToCMYK(in, out, img->xsize);
+		    break;
+	      }
+
+	      if (lut)
+	        ImageLut(out, img->xsize * bpp, lut);
+
+              ImagePutRow(img, 0, y, img->xsize, out);
+	    }
+          }
+        }
+        else
+        {
+         /*
+          * Column major order...
+          */
+
+          for (x = xstart, xcount = img->xsize, row = 0;
+               xcount > 0;
+               xcount --, x += xdir, row ++)
+          {
+            if (bits == 1)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline, p = in + ystart, bit = 128;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+        	if (*scanptr & bit)
+                  *p = one;
+                else
+                  *p = zero;
+
+        	if (bit > 1)
+                  bit >>= 1;
+        	else
+        	{
+                  bit = 128;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 2)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline, p = in + ystart, bit = 0xc0;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+                pixel = *scanptr & 0xc0;
+                while (pixel > 3)
+                  pixel >>= 2;
+
+                *p = (255 * pixel / 3) ^ zero;
+
+        	if (bit > 3)
+                  bit >>= 2;
+        	else
+        	{
+                  bit = 0xc0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 4)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline, p = in + ystart, bit = 0xf0;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+        	if (bit == 0xf0)
+        	{
+                  *p = (255 * ((*scanptr & 0xf0) >> 4) / 15) ^ zero;
+                  bit = 0x0f;
+                }
+        	else
+        	{
+                  *p = (255 * (*scanptr & 0x0f) / 15) ^ zero;
+                  bit = 0xf0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (ydir < 0 || zero || alpha)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+
+              if (alpha)
+	      {
+		if (zero)
+        	{
+                  for (ycount = img->ysize, p = in + ystart, scanptr = scanline;
+                       ycount > 0;
+                       ycount --, p += ydir, scanptr += 2)
+                    *p = (scanptr[1] * (255 - scanptr[0]) +
+		          (255 - scanptr[1]) * 255) / 255;
+        	}
+        	else
+        	{
+                  for (ycount = img->ysize, p = in + ystart, scanptr = scanline;
+                       ycount > 0;
+                       ycount --, p += ydir, scanptr += 2)
+                    *p = (scanptr[1] * scanptr[0] +
+		          (255 - scanptr[1]) * 255) / 255;
+        	}
+              }
+	      else
+	      {
+		if (zero)
+        	{
+                  for (ycount = img->ysize, p = in + ystart, scanptr = scanline;
+                       ycount > 0;
+                       ycount --, p += ydir, scanptr ++)
+                    *p = 255 - *scanptr;
+        	}
+        	else
+        	{
+                  for (ycount = img->ysize, p = in + ystart, scanptr = scanline;
+                       ycount > 0;
+                       ycount --, p += ydir, scanptr ++)
+                    *p = *scanptr;
+        	}
+	      }
+            }
+            else
+              TIFFReadScanline(tif, in, row, 0);
+
+            if (img->colorspace == IMAGE_WHITE)
+	    {
+	      if (lut)
+	        ImageLut(in, img->ysize, lut);
+
+              ImagePutCol(img, x, 0, img->ysize, in);
+	    }
+            else
+            {
+	      switch (img->colorspace)
+	      {
+		case IMAGE_RGB :
+		    ImageWhiteToRGB(in, out, img->ysize);
+		    break;
+		case IMAGE_BLACK :
+		    ImageWhiteToBlack(in, out, img->ysize);
+		    break;
+		case IMAGE_CMY :
+		    ImageWhiteToCMY(in, out, img->ysize);
+		    break;
+		case IMAGE_CMYK :
+		    ImageWhiteToCMYK(in, out, img->ysize);
+		    break;
+	      }
+
+	      if (lut)
+	        ImageLut(out, img->ysize * bpp, lut);
+
+              ImagePutCol(img, x, 0, img->ysize, out);
+	    }
+          }
+        }
+        break;
+
+    case PHOTOMETRIC_PALETTE :
+	if (!TIFFGetField(tif, TIFFTAG_COLORMAP, &redcmap, &greencmap, &bluecmap))
+	{
+          fputs("ERROR: No colormap tag in the file!\n", stderr);
+	  fclose(fp);
+	  return (-1);
+	}
+
+        num_colors = 1 << bits;
+
+        for (c = 0; c < num_colors; c ++)
+	{
+	  redcmap[c]   >>= 8;
+	  greencmap[c] >>= 8;
+	  bluecmap[c]  >>= 8;
+	}
+
+        if (orientation < ORIENTATION_LEFTTOP)
+        {
+         /*
+          * Row major order...
+          */
+
+          for (y = ystart, ycount = img->ysize, row = 0;
+               ycount > 0;
+               ycount --, y += ydir, row ++)
+          {
+            if (bits == 1)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline,
+	               p = in + xstart * 3, bit = 128;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+        	if (*scanptr & bit)
+		{
+                  p[0] = redcmap[1];
+                  p[1] = greencmap[1];
+                  p[2] = bluecmap[1];
+		}
+                else
+		{
+                  p[0] = redcmap[0];
+                  p[1] = greencmap[0];
+                  p[2] = bluecmap[0];
+		}
+
+        	if (bit > 1)
+                  bit >>= 1;
+        	else
+        	{
+                  bit = 128;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 2)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline,
+	               p = in + xstart * 3, bit = 0xc0;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+                pixel = *scanptr & bit;
+                while (pixel > 3)
+                  pixel >>= 2;
+
+                p[0] = redcmap[pixel];
+                p[1] = greencmap[pixel];
+                p[2] = bluecmap[pixel];
+
+        	if (bit > 3)
+                  bit >>= 2;
+        	else
+        	{
+                  bit = 0xc0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 4)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline,
+	               p = in + 3 * xstart, bit = 0xf0;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+                if (bit == 0xf0)
+                {
+		  pixel = (*scanptr & 0xf0) >> 4;
+                  p[0]  = redcmap[pixel];
+                  p[1]  = greencmap[pixel];
+                  p[2]  = bluecmap[pixel];
+                  bit   = 0x0f;
+                }
+                else
+        	{
+		  pixel = *scanptr++ & 0x0f;
+                  p[0]  = redcmap[pixel];
+                  p[1]  = greencmap[pixel];
+                  p[2]  = bluecmap[pixel];
+                  bit   = 0xf0;
+        	}
+              }
+            }
+            else
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+
+              for (xcount = img->xsize, p = in + 3 * xstart, scanptr = scanline;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+	        p[0] = redcmap[*scanptr];
+	        p[1] = greencmap[*scanptr];
+	        p[2] = bluecmap[*scanptr++];
+	      }
+            }
+
+            if (img->colorspace == IMAGE_RGB)
+	    {
+	      if (lut)
+	        ImageLut(in, img->xsize * 3, lut);
+
+              ImagePutRow(img, 0, y, img->xsize, in);
+	    }
+            else
+            {
+	      switch (img->colorspace)
+	      {
+		case IMAGE_WHITE :
+		    ImageRGBToWhite(in, out, img->xsize);
+		    break;
+		case IMAGE_BLACK :
+		    ImageRGBToBlack(in, out, img->xsize);
+		    break;
+		case IMAGE_CMY :
+		    ImageRGBToCMY(in, out, img->xsize);
+		    break;
+		case IMAGE_CMYK :
+		    ImageRGBToCMYK(in, out, img->xsize);
+		    break;
+	      }
+
+	      if (lut)
+	        ImageLut(out, img->xsize * bpp, lut);
+
+              ImagePutRow(img, 0, y, img->xsize, out);
+	    }
+          }
+        }
+        else
+        {
+         /*
+          * Column major order...
+          */
+
+          for (x = xstart, xcount = img->xsize, row = 0;
+               xcount > 0;
+               xcount --, x += xdir, row ++)
+          {
+            if (bits == 1)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline,
+	               p = in + 3 * ystart, bit = 128;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+        	if (*scanptr & bit)
+		{
+                  p[0] = redcmap[1];
+                  p[1] = greencmap[1];
+                  p[2] = bluecmap[1];
+		}
+                else
+		{
+                  p[0] = redcmap[0];
+                  p[1] = greencmap[0];
+                  p[2] = bluecmap[0];
+		}
+
+        	if (bit > 1)
+                  bit >>= 1;
+        	else
+        	{
+                  bit = 128;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 2)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline,
+	               p = in + 3 * ystart, bit = 0xc0;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+                pixel = *scanptr & 0xc0;
+                while (pixel > 3)
+                  pixel >>= 2;
+
+                p[0] = redcmap[pixel];
+                p[1] = greencmap[pixel];
+                p[2] = bluecmap[pixel];
+
+        	if (bit > 3)
+                  bit >>= 2;
+        	else
+        	{
+                  bit = 0xc0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 4)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline,
+	               p = in + 3 * ystart, bit = 0xf0;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+                if (bit == 0xf0)
+                {
+		  pixel = (*scanptr & 0xf0) >> 4;
+                  p[0]  = redcmap[pixel];
+                  p[1]  = greencmap[pixel];
+                  p[2]  = bluecmap[pixel];
+                  bit   = 0x0f;
+                }
+                else
+        	{
+		  pixel = *scanptr++ & 0x0f;
+                  p[0]  = redcmap[pixel];
+                  p[1]  = greencmap[pixel];
+                  p[2]  = bluecmap[pixel];
+                  bit   = 0xf0;
+        	}
+              }
+            }
+            else
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+
+              for (ycount = img->ysize, p = in + 3 * ystart, scanptr = scanline;
+                   ycount > 0;
+                   ycount --, p += ydir)
+              {
+	        p[0] = redcmap[*scanptr];
+	        p[1] = greencmap[*scanptr];
+	        p[2] = bluecmap[*scanptr++];
+	      }
+            }
+
+            if (img->colorspace == IMAGE_RGB)
+	    {
+	      if (lut)
+	        ImageLut(in, img->ysize * 3, lut);
+
+              ImagePutCol(img, x, 0, img->ysize, in);
+	    }
+            else
+            {
+	      switch (img->colorspace)
+	      {
+		case IMAGE_WHITE :
+		    ImageRGBToWhite(in, out, img->ysize);
+		    break;
+		case IMAGE_BLACK :
+		    ImageRGBToBlack(in, out, img->ysize);
+		    break;
+		case IMAGE_CMY :
+		    ImageRGBToCMY(in, out, img->ysize);
+		    break;
+		case IMAGE_CMYK :
+		    ImageRGBToCMYK(in, out, img->ysize);
+		    break;
+	      }
+
+	      if (lut)
+	        ImageLut(out, img->ysize * bpp, lut);
+
+              ImagePutCol(img, x, 0, img->ysize, out);
+	    }
+          }
+        }
+        break;
+
+    case PHOTOMETRIC_RGB :
+        if (orientation < ORIENTATION_LEFTTOP)
+        {
+         /*
+          * Row major order...
+          */
+
+          for (y = ystart, ycount = img->ysize, row = 0;
+               ycount > 0;
+               ycount --, y += ydir, row ++)
+          {
+            if (bits == 1)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline, p = in + xstart * 3, bit = 0xf0;
+                   xcount > 0;
+                   xcount --, p += pstep)
+              {
+        	if (*scanptr & bit & 0x88)
+                  p[0] = 255;
+                else
+                  p[0] = 0;
+
+        	if (*scanptr & bit & 0x44)
+                  p[1] = 255;
+                else
+                  p[1] = 0;
+
+        	if (*scanptr & bit & 0x22)
+                  p[2] = 255;
+                else
+                  p[2] = 0;
+
+        	if (bit == 0xf0)
+                  bit = 0x0f;
+        	else
+        	{
+                  bit = 0xf0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 2)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline, p = in + xstart * 3;
+                   xcount > 0;
+                   xcount --, p += pstep, scanptr ++)
+              {
+                pixel = *scanptr >> 2;
+                p[0] = 255 * (pixel & 3) / 3;
+                pixel >>= 2;
+                p[1] = 255 * (pixel & 3) / 3;
+                pixel >>= 2;
+                p[2] = 255 * (pixel & 3) / 3;
+              }
+            }
+            else if (bits == 4)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (xcount = img->xsize, scanptr = scanline, p = in + xstart * 3;
+                   xcount > 0;
+                   xcount -= 2, p += 2 * pstep, scanptr += 3)
+              {
+                pixel = scanptr[0];
+                p[1] = 255 * (pixel & 15) / 15;
+                pixel >>= 4;
+                p[0] = 255 * (pixel & 15) / 15;
+                pixel = scanptr[1];
+                p[2] = 255 * ((pixel >> 4) & 15) / 15;
+
+                if (xcount > 1)
+                {
+                  p[pstep + 0] = 255 * (pixel & 15) / 15;
+                  pixel = scanptr[2];
+                  p[pstep + 2] = 255 * (pixel & 15) / 15;
+                  pixel >>= 4;
+                  p[pstep + 1] = 255 * (pixel & 15) / 15;
+                }
+              }
+            }
+            else if (xdir < 0 || alpha)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+
+              if (alpha)
+	      {
+        	for (xcount = img->xsize, p = in + xstart * 3, scanptr = scanline;
+                     xcount > 0;
+                     xcount --, p += pstep, scanptr += 4)
+        	{
+                  p[0] = (scanptr[0] * scanptr[3] + 255 * (255 - scanptr[3])) / 255;
+                  p[1] = (scanptr[1] * scanptr[3] + 255 * (255 - scanptr[3])) / 255;
+                  p[2] = (scanptr[2] * scanptr[3] + 255 * (255 - scanptr[3])) / 255;
+        	}
+              }
+	      else
+              {
+	      	for (xcount = img->xsize, p = in + xstart * 3, scanptr = scanline;
+                     xcount > 0;
+                     xcount --, p += pstep, scanptr += 3)
+        	{
+                  p[0] = scanptr[0];
+                  p[1] = scanptr[1];
+                  p[2] = scanptr[2];
+        	}
+	      }
+            }
+            else
+              TIFFReadScanline(tif, in, row, 0);
+
+            if ((saturation != 100 || hue != 0) && bpp > 1)
+              ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+            if (img->colorspace == IMAGE_RGB)
+	    {
+	      if (lut)
+	        ImageLut(in, img->xsize * 3, lut);
+
+              ImagePutRow(img, 0, y, img->xsize, in);
+	    }
+            else
+            {
+	      switch (img->colorspace)
+	      {
+		case IMAGE_WHITE :
+		    ImageRGBToWhite(in, out, img->xsize);
+		    break;
+		case IMAGE_BLACK :
+		    ImageRGBToBlack(in, out, img->xsize);
+		    break;
+		case IMAGE_CMY :
+		    ImageRGBToCMY(in, out, img->xsize);
+		    break;
+		case IMAGE_CMYK :
+		    ImageRGBToCMYK(in, out, img->xsize);
+		    break;
+	      }
+
+	      if (lut)
+	        ImageLut(out, img->xsize * bpp, lut);
+
+              ImagePutRow(img, 0, y, img->xsize, out);
+	    }
+          }
+        }
+        else
+        {
+         /*
+          * Column major order...
+          */
+
+          for (x = xstart, xcount = img->xsize, row = 0;
+               xcount > 0;
+               xcount --, x += xdir, row ++)
+          {
+            if (bits == 1)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline, p = in + ystart * 3, bit = 0xf0;
+                   ycount > 0;
+                   ycount --, p += pstep)
+              {
+        	if (*scanptr & bit & 0x88)
+                  p[0] = 255;
+                else
+                  p[0] = 0;
+
+        	if (*scanptr & bit & 0x44)
+                  p[1] = 255;
+                else
+                  p[1] = 0;
+
+        	if (*scanptr & bit & 0x22)
+                  p[2] = 255;
+                else
+                  p[2] = 0;
+
+        	if (bit == 0xf0)
+                  bit = 0x0f;
+        	else
+        	{
+                  bit = 0xf0;
+                  scanptr ++;
+        	}
+              }
+            }
+            else if (bits == 2)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline, p = in + ystart * 3;
+                   ycount > 0;
+                   ycount --, p += pstep, scanptr ++)
+              {
+                pixel = *scanptr >> 2;
+                p[0] = 255 * (pixel & 3) / 3;
+                pixel >>= 2;
+                p[1] = 255 * (pixel & 3) / 3;
+                pixel >>= 2;
+                p[2] = 255 * (pixel & 3) / 3;
+              }
+            }
+            else if (bits == 4)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+              for (ycount = img->ysize, scanptr = scanline, p = in + ystart * 3;
+                   ycount > 0;
+                   ycount -= 2, p += 2 * pstep, scanptr += 3)
+              {
+                pixel = scanptr[0];
+                p[1] = 255 * (pixel & 15) / 15;
+                pixel >>= 4;
+                p[0] = 255 * (pixel & 15) / 15;
+                pixel = scanptr[1];
+                p[2] = 255 * ((pixel >> 4) & 15) / 15;
+
+                if (ycount > 1)
+                {
+                  p[pstep + 0] = 255 * (pixel & 15) / 15;
+                  pixel = scanptr[2];
+                  p[pstep + 2] = 255 * (pixel & 15) / 15;
+                  pixel >>= 4;
+                  p[pstep + 1] = 255 * (pixel & 15) / 15;
+                }
+              }
+            }
+            else if (ydir < 0 || alpha)
+            {
+              TIFFReadScanline(tif, scanline, row, 0);
+
+              if (alpha)
+	      {
+		for (ycount = img->ysize, p = in + ystart * 3, scanptr = scanline;
+                     ycount > 0;
+                     ycount --, p += pstep, scanptr += 4)
+        	{
+                  p[0] = (scanptr[0] * scanptr[3] + 255 * (255 - scanptr[3])) / 255;
+                  p[1] = (scanptr[1] * scanptr[3] + 255 * (255 - scanptr[3])) / 255;
+                  p[2] = (scanptr[2] * scanptr[3] + 255 * (255 - scanptr[3])) / 255;
+        	}
+              }
+	      else
+	      {
+		for (ycount = img->ysize, p = in + ystart * 3, scanptr = scanline;
+                     ycount > 0;
+                     ycount --, p += pstep, scanptr += 3)
+        	{
+                  p[0] = scanptr[0];
+                  p[1] = scanptr[1];
+                  p[2] = scanptr[2];
+        	}
+	      }
+            }
+            else
+              TIFFReadScanline(tif, in, row, 0);
+
+            if ((saturation != 100 || hue != 0) && bpp > 1)
+              ImageRGBAdjust(in, img->ysize, saturation, hue);
+
+            if (img->colorspace == IMAGE_RGB)
+	    {
+	      if (lut)
+	        ImageLut(in, img->ysize * 3, lut);
+
+              ImagePutCol(img, x, 0, img->ysize, in);
+            }
+	    else
+            {
+	      switch (img->colorspace)
+	      {
+		case IMAGE_WHITE :
+		    ImageRGBToWhite(in, out, img->ysize);
+		    break;
+		case IMAGE_BLACK :
+		    ImageRGBToBlack(in, out, img->ysize);
+		    break;
+		case IMAGE_CMY :
+		    ImageRGBToCMY(in, out, img->ysize);
+		    break;
+		case IMAGE_CMYK :
+		    ImageRGBToCMYK(in, out, img->ysize);
+		    break;
+	      }
+
+	      if (lut)
+	        ImageLut(out, img->ysize * bpp, lut);
+
+              ImagePutCol(img, x, 0, img->ysize, out);
+	    }
+          }
+        }
+        break;
+
+    case PHOTOMETRIC_SEPARATED :
+        if (!TIFFGetField(tif, TIFFTAG_INKSET, &inkset) &&
+	    !TIFFGetField(tif, TIFFTAG_NUMBEROFINKS, &numinks))
+	{
+          fputs("ERROR: No inkset or number-of-inks tag in the file!\n", stderr);
+	  fclose(fp);
+	  return (-1);
+	}
+
+	if (inkset == INKSET_CMYK || numinks == 4)
+	{
+          if (orientation < ORIENTATION_LEFTTOP)
+          {
+           /*
+            * Row major order...
+            */
+
+            for (y = ystart, ycount = img->ysize, row = 0;
+        	 ycount > 0;
+        	 ycount --, y += ydir, row ++)
+            {
+              if (bits == 1)
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+        	for (xcount = img->xsize, scanptr = scanline, p = in + xstart * 3, bit = 0xf0;
+                     xcount > 0;
+                     xcount --, p += pstep)
+        	{
+        	  if (*scanptr & bit & 0x11)
+        	  {
+                    p[0] = 0;
+                    p[1] = 0;
+                    p[2] = 0;
+                  }
+                  else
+                  {
+        	    if (*scanptr & bit & 0x88)
+                      p[0] = 0;
+                    else
+                      p[0] = 255;
+
+        	    if (*scanptr & bit & 0x44)
+                      p[1] = 0;
+                    else
+                      p[1] = 255;
+
+        	    if (*scanptr & bit & 0x22)
+                      p[2] = 0;
+                    else
+                      p[2] = 255;
+                  }
+
+        	  if (bit == 0xf0)
+                    bit = 0x0f;
+        	  else
+        	  {
+                    bit = 0xf0;
+                    scanptr ++;
+        	  }
+        	}
+              }
+              else if (bits == 2)
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+        	for (xcount = img->xsize, scanptr = scanline, p = in + xstart * 3;
+                     xcount > 0;
+                     xcount --, p += pstep, scanptr ++)
+        	{
+        	  pixel = *scanptr;
+        	  k     = 255 * (pixel & 3) / 3;
+        	  if (k == 255)
+        	  {
+        	    p[0] = 0;
+        	    p[1] = 0;
+        	    p[2] = 0;
+        	  }
+        	  else
+        	  {
+                    pixel >>= 2;
+                    b = 255 - 255 * (pixel & 3) / 3 - k;
+                    if (b < 0)
+                      p[2] = 0;
+                    else if (b < 256)
+                      p[2] = b;
+                    else
+                      p[2] = 255;
+
+                    pixel >>= 2;
+                    g = 255 - 255 * (pixel & 3) / 3 - k;
+                    if (g < 0)
+                      p[1] = 0;
+                    else if (g < 256)
+                      p[1] = g;
+                    else
+                      p[1] = 255;
+
+                    pixel >>= 2;
+                    r = 255 - 255 * (pixel & 3) / 3 - k;
+                    if (r < 0)
+                      p[0] = 0;
+                    else if (r < 256)
+                      p[0] = r;
+                    else
+                      p[0] = 255;
+                  }
+        	}
+              }
+              else if (bits == 4)
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+        	for (xcount = img->xsize, scanptr = scanline, p = in + xstart * 3;
+                     xcount > 0;
+                     xcount --, p += pstep, scanptr += 2)
+        	{
+        	  pixel = scanptr[1];
+        	  k     = 255 * (pixel & 15) / 15;
+        	  if (k == 255)
+        	  {
+        	    p[0] = 0;
+        	    p[1] = 0;
+        	    p[2] = 0;
+        	  }
+        	  else
+        	  {
+                    pixel >>= 4;
+                    b = 255 - 255 * (pixel & 15) / 15 - k;
+                    if (b < 0)
+                      p[2] = 0;
+                    else if (b < 256)
+                      p[2] = b;
+                    else
+                      p[2] = 255;
+
+                    pixel = scanptr[0];
+                    g = 255 - 255 * (pixel & 15) / 15 - k;
+                    if (g < 0)
+                      p[1] = 0;
+                    else if (g < 256)
+                      p[1] = g;
+                    else
+                      p[1] = 255;
+
+                    pixel >>= 4;
+                    r = 255 - 255 * (pixel & 15) / 15 - k;
+                    if (r < 0)
+                      p[0] = 0;
+                    else if (r < 256)
+                      p[0] = r;
+                    else
+                      p[0] = 255;
+                  }
+        	}
+              }
+              else if (img->colorspace == IMAGE_CMYK)
+	      {
+	        TIFFReadScanline(tif, scanline, row, 0);
+		ImagePutRow(img, 0, y, img->xsize, scanline);
+	      }
+	      else
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+
+        	for (xcount = img->xsize, p = in + xstart * 3, scanptr = scanline;
+                     xcount > 0;
+                     xcount --, p += pstep, scanptr += 4)
+        	{
+        	  k = scanptr[3];
+        	  if (k == 255)
+        	  {
+        	    p[0] = 0;
+        	    p[1] = 0;
+        	    p[2] = 0;
+        	  }
+        	  else
+        	  {
+                    r = 255 - scanptr[0] - k;
+                    if (r < 0)
+                      p[0] = 0;
+                    else if (r < 256)
+                      p[0] = r;
+                    else
+                      p[0] = 255;
+
+                    g = 255 - scanptr[1] - k;
+                    if (g < 0)
+                      p[1] = 0;
+                    else if (g < 256)
+                      p[1] = g;
+                    else
+                      p[1] = 255;
+
+                    b = 255 - scanptr[2] - k;
+                    if (b < 0)
+                      p[2] = 0;
+                    else if (b < 256)
+                      p[2] = b;
+                    else
+                      p[2] = 255;
+        	  }
+        	}
+              }
+
+              if ((saturation != 100 || hue != 0) && bpp > 1)
+        	ImageRGBAdjust(in, img->xsize, saturation, hue);
+
+              if (img->colorspace == IMAGE_RGB)
+	      {
+	        if (lut)
+	          ImageLut(in, img->xsize * 3, lut);
+
+        	ImagePutRow(img, 0, y, img->xsize, in);
+	      }
+              else
+              {
+		switch (img->colorspace)
+		{
+		  case IMAGE_WHITE :
+		      ImageRGBToWhite(in, out, img->xsize);
+		      break;
+		  case IMAGE_BLACK :
+		      ImageRGBToBlack(in, out, img->xsize);
+		      break;
+		  case IMAGE_CMY :
+		      ImageRGBToCMY(in, out, img->xsize);
+		      break;
+		  case IMAGE_CMYK :
+		      ImageRGBToCMYK(in, out, img->xsize);
+		      break;
+		}
+
+		if (lut)
+	          ImageLut(out, img->xsize * 3, lut);
+
+        	ImagePutRow(img, 0, y, img->xsize, out);
+	      }
+            }
+          }
+          else
+          {
+           /*
+            * Column major order...
+            */
+
+            for (x = xstart, xcount = img->xsize, row = 0;
+        	 xcount > 0;
+        	 xcount --, x += xdir, row ++)
+            {
+              if (bits == 1)
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+        	for (ycount = img->ysize, scanptr = scanline, p = in + xstart * 3, bit = 0xf0;
+                     ycount > 0;
+                     ycount --, p += pstep)
+        	{
+        	  if (*scanptr & bit & 0x11)
+        	  {
+                    p[0] = 0;
+                    p[1] = 0;
+                    p[2] = 0;
+                  }
+                  else
+                  {
+        	    if (*scanptr & bit & 0x88)
+                      p[0] = 0;
+                    else
+                      p[0] = 255;
+
+        	    if (*scanptr & bit & 0x44)
+                      p[1] = 0;
+                    else
+                      p[1] = 255;
+
+        	    if (*scanptr & bit & 0x22)
+                      p[2] = 0;
+                    else
+                      p[2] = 255;
+                  }
+
+        	  if (bit == 0xf0)
+                    bit = 0x0f;
+        	  else
+        	  {
+                    bit = 0xf0;
+                    scanptr ++;
+        	  }
+        	}
+              }
+              else if (bits == 2)
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+        	for (ycount = img->ysize, scanptr = scanline, p = in + xstart * 3;
+                     ycount > 0;
+                     ycount --, p += pstep, scanptr ++)
+        	{
+        	  pixel = *scanptr;
+        	  k     = 255 * (pixel & 3) / 3;
+        	  if (k == 255)
+        	  {
+        	    p[0] = 0;
+        	    p[1] = 0;
+        	    p[2] = 0;
+        	  }
+        	  else
+        	  {
+                    pixel >>= 2;
+                    b = 255 - 255 * (pixel & 3) / 3 - k;
+                    if (b < 0)
+                      p[2] = 0;
+                    else if (b < 256)
+                      p[2] = b;
+                    else
+                      p[2] = 255;
+
+                    pixel >>= 2;
+                    g = 255 - 255 * (pixel & 3) / 3 - k;
+                    if (g < 0)
+                      p[1] = 0;
+                    else if (g < 256)
+                      p[1] = g;
+                    else
+                      p[1] = 255;
+
+                    pixel >>= 2;
+                    r = 255 - 255 * (pixel & 3) / 3 - k;
+                    if (r < 0)
+                      p[0] = 0;
+                    else if (r < 256)
+                      p[0] = r;
+                    else
+                      p[0] = 255;
+                  }
+        	}
+              }
+              else if (bits == 4)
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+        	for (ycount = img->ysize, scanptr = scanline, p = in + xstart * 3;
+                     ycount > 0;
+                     ycount --, p += pstep, scanptr += 2)
+        	{
+        	  pixel = scanptr[1];
+        	  k     = 255 * (pixel & 15) / 15;
+        	  if (k == 255)
+        	  {
+        	    p[0] = 0;
+        	    p[1] = 0;
+        	    p[2] = 0;
+        	  }
+        	  else
+        	  {
+                    pixel >>= 4;
+                    b = 255 - 255 * (pixel & 15) / 15 - k;
+                    if (b < 0)
+                      p[2] = 0;
+                    else if (b < 256)
+                      p[2] = b;
+                    else
+                      p[2] = 255;
+
+                    pixel = scanptr[0];
+                    g = 255 - 255 * (pixel & 15) / 15 - k;
+                    if (g < 0)
+                      p[1] = 0;
+                    else if (g < 256)
+                      p[1] = g;
+                    else
+                      p[1] = 255;
+
+                    pixel >>= 4;
+                    r = 255 - 255 * (pixel & 15) / 15 - k;
+                    if (r < 0)
+                      p[0] = 0;
+                    else if (r < 256)
+                      p[0] = r;
+                    else
+                      p[0] = 255;
+                  }
+        	}
+              }
+              else if (img->colorspace == IMAGE_CMYK)
+	      {
+	        TIFFReadScanline(tif, scanline, row, 0);
+		ImagePutCol(img, x, 0, img->ysize, scanline);
+	      }
+              else
+              {
+        	TIFFReadScanline(tif, scanline, row, 0);
+
+        	for (ycount = img->ysize, p = in + xstart * 3, scanptr = scanline;
+                     ycount > 0;
+                     ycount --, p += pstep, scanptr += 4)
+        	{
+        	  k = scanptr[3];
+        	  if (k == 255)
+        	  {
+        	    p[0] = 0;
+        	    p[1] = 0;
+        	    p[2] = 0;
+        	  }
+        	  else
+        	  {
+                    r = 255 - scanptr[0] - k;
+                    if (r < 0)
+                      p[0] = 0;
+                    else if (r < 256)
+                      p[0] = r;
+                    else
+                      p[0] = 255;
+
+                    g = 255 - scanptr[1] - k;
+                    if (g < 0)
+                      p[1] = 0;
+                    else if (g < 256)
+                      p[1] = g;
+                    else
+                      p[1] = 255;
+
+                    b = 255 - scanptr[2] - k;
+                    if (b < 0)
+                      p[2] = 0;
+                    else if (b < 256)
+                      p[2] = b;
+                    else
+                      p[2] = 255;
+        	  }
+        	}
+              }
+
+              if ((saturation != 100 || hue != 0) && bpp > 1)
+        	ImageRGBAdjust(in, img->ysize, saturation, hue);
+
+              if (img->colorspace == IMAGE_RGB)
+	      {
+		if (lut)
+	          ImageLut(in, img->ysize * 3, lut);
+
+        	ImagePutCol(img, x, 0, img->ysize, in);
+              }
+	      else
+              {
+		switch (img->colorspace)
+		{
+		  case IMAGE_WHITE :
+		      ImageRGBToWhite(in, out, img->ysize);
+		      break;
+		  case IMAGE_BLACK :
+		      ImageRGBToBlack(in, out, img->ysize);
+		      break;
+		  case IMAGE_CMY :
+		      ImageRGBToCMY(in, out, img->ysize);
+		      break;
+		  case IMAGE_CMYK :
+		      ImageRGBToCMYK(in, out, img->ysize);
+		      break;
+		}
+
+		if (lut)
+	          ImageLut(out, img->ysize * bpp, lut);
+
+        	ImagePutCol(img, x, 0, img->ysize, out);
+	      }
+            }
+          }
+
+          break;
+	}
+
+    default :
+	_TIFFfree(scanline);
+	free(in);
+	free(out);
+
+	TIFFClose(tif);
+	fputs("ERROR: Unknown TIFF photometric value!\n", stderr);
+	return (-1);
+  }
+
+ /*
+  * Free temporary buffers, close the TIFF file, and return.
+  */
+
+  _TIFFfree(scanline);
+  free(in);
+  free(out);
+
+  TIFFClose(tif);
+  return (0);
+}
+
+
+#endif /* HAVE_LIBTIFF */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image-zoom.c b/filter/image-zoom.c
new file mode 100644
index 000000000..a9af072b5
--- /dev/null
+++ b/filter/image-zoom.c
@@ -0,0 +1,310 @@
+/*
+ * "$Id$"
+ *
+ *   Image zoom routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageZoomAlloc() - Allocate a pixel zoom record...
+ *   ImageZoomFill()  - Fill a zoom record with image data utilizing bilinear
+ *                      interpolation.
+ *   ImageZoomQFill() - Fill a zoom record quickly using nearest-neighbor
+ *                      sampling.
+ *   ImageZoomFree()  - Free a zoom record...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+
+
+/*
+ * 'ZoomAlloc()' - Allocate a pixel zoom record...
+ */
+
+izoom_t *
+ImageZoomAlloc(image_t *img,	/* I - Image to zoom */
+               int     x0,	/* I - Upper-lefthand corner */
+               int     y0,	/* I - ... */
+               int     x1,	/* I - Lower-righthand corner */
+               int     y1,	/* I - ... */
+               int     xsize,	/* I - Final width of image */
+               int     ysize,	/* I - Final height of image */
+               int     rotated)	/* I - Non-zero if image is rotated 90 degs */
+{
+  izoom_t	*z;		/* New zoom record */
+
+
+  if ((z = (izoom_t *)calloc(1, sizeof(izoom_t))) == NULL)
+    return (NULL);
+
+  z->img     = img;
+  z->row     = 0;
+  z->depth   = ImageGetDepth(img);
+  z->rotated = rotated;
+
+  if (rotated)
+  {
+    z->xorig   = x1;
+    z->yorig   = y0;
+    z->width   = y1 - y0 + 1;
+    z->height  = x1 - x0 + 1;
+    z->xsize   = xsize;
+    z->ysize   = ysize;
+    z->xmod    = z->width % z->xsize;
+    z->xstep   = z->width / z->xsize;
+    z->xincr   = 1;
+    z->ymod    = z->height % z->ysize;
+    z->ystep   = z->height / z->ysize;
+    z->yincr   = 1;
+    z->instep  = z->xstep * z->depth;
+    z->inincr  = z->xincr * z->depth;
+
+    if (z->width < img->ysize)
+      z->xmax = z->width;
+    else
+      z->xmax = z->width - 1;
+
+    if (z->height < img->xsize)
+      z->ymax = z->height;
+    else
+      z->ymax = z->height - 1;
+  }
+  else
+  {
+    z->xorig   = x0;
+    z->yorig   = y0;
+    z->width   = x1 - x0 + 1;
+    z->height  = y1 - y0 + 1;
+    z->xsize   = xsize;
+    z->ysize   = ysize;
+    z->xmod    = z->width % z->xsize;
+    z->xstep   = z->width / z->xsize;
+    z->xincr   = 1;
+    z->ymod    = z->height % z->ysize;
+    z->ystep   = z->height / z->ysize;
+    z->yincr   = 1;
+    z->instep  = z->xstep * z->depth;
+    z->inincr  = z->xincr * z->depth;
+
+    if (z->width < img->xsize)
+      z->xmax = z->width;
+    else
+      z->xmax = z->width - 1;
+
+    if (z->height < img->ysize)
+      z->ymax = z->height;
+    else
+      z->ymax = z->height - 1;
+  }
+
+  if ((z->rows[0] = (ib_t *)malloc(z->xsize * z->depth)) == NULL)
+  {
+    free(z);
+    return (NULL);
+  }
+
+  if ((z->rows[1] = (ib_t *)malloc(z->xsize * z->depth)) == NULL)
+  {
+    free(z->rows[0]);
+    free(z);
+    return (NULL);
+  }
+
+  if ((z->in = (ib_t *)malloc(z->width * z->depth)) == NULL)
+  {
+    free(z->rows[0]);
+    free(z->rows[1]);
+    free(z);
+    return (NULL);
+  }
+
+  return (z);
+}
+
+
+/*
+ * 'ImageZoomFill()' - Fill a zoom record with image data utilizing bilinear
+ *                     interpolation.
+ */
+
+void
+ImageZoomFill(izoom_t *z,	/* I - Zoom record to fill */
+              int     iy)	/* I - Zoom image row */
+{
+  ib_t	*r,			/* Row pointer */
+	*inptr;			/* Pixel pointer */
+  int	xerr0,			/* X error counter */
+	xerr1;			/* ... */
+  int	ix,
+	x,
+	count,
+	z_depth,
+	z_xstep,
+	z_xincr,
+	z_instep,
+	z_inincr,
+	z_xmax,
+	z_xmod,
+	z_xsize;
+
+
+  if (iy > z->ymax)
+    iy = z->ymax;
+
+  z->row ^= 1;
+
+  z_depth  = z->depth;
+  z_xsize  = z->xsize;
+  z_xmax   = z->xmax;
+  z_xmod   = z->xmod;
+  z_xstep  = z->xstep;
+  z_xincr  = z->xincr;
+  z_instep = z->instep;
+  z_inincr = z->inincr;
+
+  if (z->rotated)
+    ImageGetCol(z->img, z->xorig - iy, z->yorig, z->width, z->in);
+  else
+    ImageGetRow(z->img, z->xorig, z->yorig + iy, z->width, z->in);
+
+  if (z_inincr < 0)
+    inptr = z->in + (z->width - 1) * z_depth;
+  else
+    inptr = z->in;
+
+  for (x = z_xsize, xerr0 = z_xsize, xerr1 = 0, ix = 0, r = z->rows[z->row];
+       x > 0;
+       x --)
+  {
+    if (ix < z_xmax)
+    {
+      for (count = 0; count < z_depth; count ++)
+        *r++ = (inptr[count] * xerr0 + inptr[z_depth + count] * xerr1) / z_xsize;
+    }
+    else
+    {
+      for (count = 0; count < z_depth; count ++)
+        *r++ = inptr[count];
+    }
+
+    ix    += z_xstep;
+    inptr += z_instep;
+    xerr0 -= z_xmod;
+    xerr1 += z_xmod;
+
+    if (xerr0 <= 0)
+    {
+      xerr0 += z_xsize;
+      xerr1 -= z_xsize;
+      ix    += z_xincr;
+      inptr += z_inincr;
+    }
+  }
+}
+
+
+/*
+ * 'ImageZoomQFill()' - Fill a zoom record quickly using nearest-neighbor sampling.
+ */
+
+void
+ImageZoomQFill(izoom_t *z,	/* I - Zoom record to fill */
+               int     iy)	/* I - Zoom image row */
+{
+  ib_t	*r,			/* Row pointer */
+	*inptr;			/* Pixel pointer */
+  int	xerr0;			/* X error counter */
+  int	ix,
+	x,
+	count,
+	z_depth,
+	z_xstep,
+	z_xincr,
+	z_instep,
+	z_inincr,
+	z_xmod,
+	z_xsize;
+
+
+  if (iy > z->ymax)
+    iy = z->ymax;
+
+  z->row ^= 1;
+
+  z_depth  = z->depth;
+  z_xsize  = z->xsize;
+  z_xmod   = z->xmod;
+  z_xstep  = z->xstep;
+  z_xincr  = z->xincr;
+  z_instep = z->instep;
+  z_inincr = z->inincr;
+
+  if (z->rotated)
+    ImageGetCol(z->img, z->xorig - iy, z->yorig, z->width, z->in);
+  else
+    ImageGetRow(z->img, z->xorig, z->yorig + iy, z->width, z->in);
+
+  if (z_inincr < 0)
+    inptr = z->in + (z->width - 1) * z_depth;
+  else
+    inptr = z->in;
+
+  for (x = z_xsize, xerr0 = z_xsize, ix = 0, r = z->rows[z->row];
+       x > 0;
+       x --)
+  {
+    for (count = 0; count < z_depth; count ++)
+      *r++ = inptr[count];
+
+    ix    += z_xstep;
+    inptr += z_instep;
+    xerr0 -= z_xmod;
+
+    if (xerr0 <= 0)
+    {
+      xerr0 += z_xsize;
+      ix    += z_xincr;
+      inptr += z_inincr;
+    }
+  }
+}
+
+
+/*
+ * 'ImageZoomFree()' - Free a zoom record...
+ */
+
+void
+ImageZoomFree(izoom_t *z)	/* I - Zoom record to free */
+{
+  free(z->rows[0]);
+  free(z->rows[1]);
+  free(z->in);
+  free(z);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image.c b/filter/image.c
new file mode 100644
index 000000000..c2065bf82
--- /dev/null
+++ b/filter/image.c
@@ -0,0 +1,773 @@
+/*
+ * "$Id$"
+ *
+ *   Base image support for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ImageOpen()        - Open an image file and read it into memory.
+ *   ImageClose()       - Close an image file.
+ *   ImageSetMaxTiles() - Set the maximum number of tiles to cache.
+ *   ImageGetCol()      - Get a column of pixels from an image.
+ *   ImageGetRow()      - Get a row of pixels from an image.
+ *   ImagePutCol()      - Put a column of pixels to an image.
+ *   ImagePutRow()      - Put a row of pixels to an image.
+ *   get_tile()         - Get a cached tile.
+ *   flush_tile()       - Flush the least-recently-used tile in the cache.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "image.h"
+#include <unistd.h>
+#include <ctype.h>
+#include <math.h>
+#include <cups/cups.h>
+
+
+/*
+ * Local functions...
+ */
+
+static ib_t	*get_tile(image_t *img, int x, int y);
+static void	flush_tile(image_t *img);
+
+
+/*
+ * 'ImageOpen()' - Open an image file and read it into memory.
+ */
+
+image_t *			/* O - New image */
+ImageOpen(char       *filename,	/* I - Filename of image */
+          int        primary,	/* I - Primary colorspace needed */
+          int        secondary,	/* I - Secondary colorspace if primary no good */
+          int        saturation,/* I - Color saturation level */
+          int        hue,	/* I - Color hue adjustment */
+          const ib_t *lut)	/* I - RGB gamma/brightness LUT */
+{
+  FILE		*fp;		/* File pointer */
+  unsigned char	header[16],	/* First 16 bytes of file */
+		header2[16];	/* Bytes 2048-2064 (PhotoCD) */
+  image_t	*img;		/* New image buffer */
+  int		status;		/* Status of load... */
+
+
+  fprintf(stderr, "DEBUG: ImageOpen(\"%s\", %d, %d, %d, %d, %p)\n",
+          filename ? filename : "(null)", primary, secondary,
+	  saturation, hue, lut);
+
+ /*
+  * Range check...
+  */
+
+  if (filename == NULL)
+  {
+    fputs("ERROR: Image filename == NULL!\n", stderr);
+    return (NULL);
+  }
+
+ /*
+  * Figure out the file type...
+  */
+
+  if ((fp = fopen(filename, "r")) == NULL)
+  {
+    perror("ERROR: Unable to open image file");
+    return (NULL);
+  }
+
+  if (fread(header, 1, sizeof(header), fp) == 0)
+  {
+    perror("ERROR: Unable to read image file header");
+
+    fclose(fp);
+    return (NULL);
+  }
+
+  fseek(fp, 2048, SEEK_SET);
+  memset(header2, 0, sizeof(header2));
+  fread(header2, 1, sizeof(header2), fp);
+  fseek(fp, 0, SEEK_SET);
+
+ /*
+  * Allocate memory...
+  */
+
+  img = calloc(sizeof(image_t), 1);
+
+  if (img == NULL)
+  {
+    perror("ERROR: Unable to allocate memory for image file");
+    fclose(fp);
+    return (NULL);
+  }
+
+ /*
+  * Load the image as appropriate...
+  */
+
+  img->max_ics = TILE_MINIMUM;
+  img->xppi    = 128;
+  img->yppi    = 128;
+
+  if (memcmp(header, "GIF87a", 6) == 0 ||
+           memcmp(header, "GIF89a", 6) == 0)
+    status = ImageReadGIF(img, fp, primary, secondary, saturation, hue, lut);
+  else if (memcmp(header, "BM", 2) == 0)
+    status = ImageReadBMP(img, fp, primary, secondary, saturation, hue, lut);
+  else if (header[0] == 0x01 && header[1] == 0xda)
+    status = ImageReadSGI(img, fp, primary, secondary, saturation, hue, lut);
+  else if (header[0] == 0x59 && header[1] == 0xa6 &&
+           header[2] == 0x6a && header[3] == 0x95)
+    status = ImageReadSunRaster(img, fp, primary, secondary, saturation, hue, lut);
+  else if (header[0] == 'P' && header[1] >= '1' && header[1] <= '6')
+    status = ImageReadPNM(img, fp, primary, secondary, saturation, hue, lut);
+  else if (memcmp(header2, "PCD_IPI", 7) == 0)
+    status = ImageReadPhotoCD(img, fp, primary, secondary, saturation, hue, lut);
+  else if (memcmp(header + 8, "\000\010", 2) == 0 ||
+           memcmp(header + 8, "\000\030", 2) == 0)
+    status = ImageReadPIX(img, fp, primary, secondary, saturation, hue, lut);
+#if defined(HAVE_LIBPNG) && defined(HAVE_LIBZ)
+  else if (memcmp(header, "\211PNG", 4) == 0)
+    status = ImageReadPNG(img, fp, primary, secondary, saturation, hue, lut);
+#endif /* HAVE_LIBPNG && HAVE_LIBZ */
+#ifdef HAVE_LIBJPEG
+  else if (memcmp(header, "\377\330\377", 3) == 0 &&	/* Start-of-Image */
+	   header[3] >= 0xe0 && header[3] <= 0xef)	/* APPn */
+    status = ImageReadJPEG(img, fp, primary, secondary, saturation, hue, lut);
+#endif /* HAVE_LIBJPEG */
+#ifdef HAVE_LIBTIFF
+  else if (memcmp(header, "MM", 2) == 0 ||
+           memcmp(header, "II", 2) == 0)
+    status = ImageReadTIFF(img, fp, primary, secondary, saturation, hue, lut);
+#endif /* HAVE_LIBTIFF */
+  else
+  {
+    fputs("ERROR: Unknown image file format!\n", stderr);
+    fclose(fp);
+    status = -1;
+  }
+
+  if (status)
+  {
+    free(img);
+    return (NULL);
+  }
+  else
+    return (img);
+}
+
+
+/*
+ * 'ImageClose()' - Close an image file.
+ */
+
+void
+ImageClose(image_t *img)	/* I - Image to close */
+{
+  ic_t	*current,		/* Current cached tile */
+	*next;			/* Next cached tile */
+
+
+ /*
+  * Wipe the tile cache file (if any)...
+  */
+
+  if (img->cachefile != NULL)
+  {
+    fprintf(stderr, "DEBUG: Closing and removing swap file \"%s\"...\n",
+            img->cachename);
+
+    fclose(img->cachefile);
+    unlink(img->cachename);
+  }
+
+ /*
+  * Free the image cache...
+  */
+
+  fputs("DEBUG: Freeing memory...\n", stderr);
+
+  for (current = img->first, next = NULL; current != NULL; current = next)
+  {
+    fprintf(stderr, "DEBUG: Freeing cache (%p, next = %p)...\n",
+            current, next);
+
+    next = current->next;
+    free(current);
+  }
+
+ /*
+  * Free the rest of memory...
+  */
+
+  if (img->tiles != NULL)
+  {
+    fprintf(stderr, "DEBUG: Freeing tiles (%p)...\n", img->tiles[0]);
+
+    free(img->tiles[0]);
+
+    fprintf(stderr, "DEBUG: Freeing tile pointers (%p)...\n", img->tiles);
+
+    free(img->tiles);
+  }
+
+  free(img);
+}
+
+
+/*
+ * 'ImageSetMaxTiles()' - Set the maximum number of tiles to cache.
+ *
+ * If the "max_tiles" argument is 0 then the maximum number of tiles is
+ * computed from the image size or the RIP_CACHE environment variable.
+ */
+
+void
+ImageSetMaxTiles(image_t *img,		/* I - Image to set */
+                 int     max_tiles)	/* I - Number of tiles to cache */
+{
+  int	cache_size,			/* Size of tile cache in bytes */
+	min_tiles,			/* Minimum number of tiles to cache */
+	max_size;			/* Maximum cache size in bytes */
+  char	*cache_env,			/* Cache size environment variable */
+	cache_units[255];		/* Cache size units */
+
+
+  min_tiles = max(TILE_MINIMUM,
+                  1 + max((img->xsize + TILE_SIZE - 1) / TILE_SIZE,
+                          (img->ysize + TILE_SIZE - 1) / TILE_SIZE));
+
+  if (max_tiles == 0)
+    max_tiles = ((img->xsize + TILE_SIZE - 1) / TILE_SIZE) *
+                ((img->ysize + TILE_SIZE - 1) / TILE_SIZE);
+
+  cache_size = max_tiles * TILE_SIZE * TILE_SIZE * ImageGetDepth(img);
+
+  if ((cache_env = getenv("RIP_MAX_CACHE")) != NULL)
+  {
+    switch (sscanf(cache_env, "%d%254s", &max_size, cache_units))
+    {
+      case 0 :
+          max_size = 32 * 1024 * 1024;
+	  break;
+      case 1 :
+          max_size *= 4 * TILE_SIZE * TILE_SIZE;
+	  break;
+      case 2 :
+          if (tolower(cache_units[0]) == 'g')
+	    max_size *= 1024 * 1024 * 1024;
+          else if (tolower(cache_units[0]) == 'm')
+	    max_size *= 1024 * 1024;
+	  else if (tolower(cache_units[0]) == 'k')
+	    max_size *= 1024;
+	  else if (tolower(cache_units[0]) == 't')
+	    max_size *= 4 * TILE_SIZE * TILE_SIZE;
+	  break;
+    }
+  }
+  else
+    max_size = 32 * 1024 * 1024;
+
+  if (cache_size > max_size)
+    max_tiles = max_size / TILE_SIZE / TILE_SIZE / ImageGetDepth(img);
+
+  if (max_tiles < min_tiles)
+    max_tiles = min_tiles;
+
+  img->max_ics = max_tiles;
+
+  fprintf(stderr, "DEBUG: max_ics=%d...\n", img->max_ics);
+}
+
+
+/*
+ * 'ImageGetCol()' - Get a column of pixels from an image.
+ */
+
+int				/* O - -1 on error, 0 on success */
+ImageGetCol(image_t *img,	/* I - Image */
+            int     x,		/* I - Column */
+            int     y,		/* I - Start row */
+            int     height,	/* I - Column height */
+            ib_t    *pixels)	/* O - Pixel data */
+{
+  int		bpp,		/* Bytes per pixel */
+		twidth,		/* Tile width */
+		count;		/* Number of pixels to get */
+  const ib_t	*ib;		/* Pointer into tile */
+
+
+  if (img == NULL || x < 0 || x >= img->xsize || y >= img->ysize)
+    return (-1);
+
+  if (y < 0)
+  {
+    height += y;
+    y = 0;
+  }
+
+  if ((y + height) > img->ysize)
+    height = img->ysize - y;
+
+  if (height < 1)
+    return (-1);
+
+  bpp    = ImageGetDepth(img);
+  twidth = bpp * (TILE_SIZE - 1);
+
+  while (height > 0)
+  {
+    ib = get_tile(img, x, y);
+
+    if (ib == NULL)
+      return (-1);
+
+    count = TILE_SIZE - (y & (TILE_SIZE - 1));
+    if (count > height)
+      count = height;
+
+    y      += count;
+    height -= count;
+
+    for (; count > 0; count --, ib += twidth)
+      switch (bpp)
+      {
+        case 4 :
+            *pixels++ = *ib++;
+        case 3 :
+            *pixels++ = *ib++;
+            *pixels++ = *ib++;
+        case 1 :
+            *pixels++ = *ib++;
+            break;
+      }
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'ImageGetRow()' - Get a row of pixels from an image.
+ */
+
+int				/* O - -1 on error, 0 on success */
+ImageGetRow(image_t *img,	/* I - Image */
+            int     x,		/* I - Start column */
+            int     y,		/* I - Row */
+            int     width,	/* I - Width of row */
+            ib_t    *pixels)	/* O - Pixel data */
+{
+  int		bpp,		/* Bytes per pixel */
+		count;		/* Number of pixels to get */
+  const ib_t	*ib;		/* Pointer to pixels */
+
+
+  if (img == NULL || y < 0 || y >= img->ysize || x >= img->xsize)
+    return (-1);
+
+  if (x < 0)
+  {
+    width += x;
+    x = 0;
+  }
+
+  if ((x + width) > img->xsize)
+    width = img->xsize - x;
+
+  if (width < 1)
+    return (-1);
+
+  bpp = img->colorspace < 0 ? -img->colorspace : img->colorspace;
+
+  while (width > 0)
+  {
+    ib = get_tile(img, x, y);
+
+    if (ib == NULL)
+      return (-1);
+
+    count = TILE_SIZE - (x & (TILE_SIZE - 1));
+    if (count > width)
+      count = width;
+    memcpy(pixels, ib, count * bpp);
+    pixels += count * bpp;
+    x      += count;
+    width  -= count;
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'ImagePutCol()' - Put a column of pixels to an image.
+ */
+
+int				/* O - -1 on error, 0 on success */
+ImagePutCol(image_t    *img,	/* I - Image */
+            int        x,	/* I - Column */
+            int        y,	/* I - Start row */
+            int        height,	/* I - Column height */
+            const ib_t *pixels)	/* I - Pixels to put */
+{
+  int	bpp,			/* Bytes per pixel */
+	twidth,			/* Width of tile */
+	count;			/* Number of pixels to put */
+  int	tilex,			/* Column within tile */
+	tiley;			/* Row within tile */
+  ib_t	*ib;			/* Pointer to pixels in tile */
+
+
+  if (img == NULL || x < 0 || x >= img->xsize || y >= img->ysize)
+    return (-1);
+
+  if (y < 0)
+  {
+    height += y;
+    y = 0;
+  }
+
+  if ((y + height) > img->ysize)
+    height = img->ysize - y;
+
+  if (height < 1)
+    return (-1);
+
+  bpp    = ImageGetDepth(img);
+  twidth = bpp * (TILE_SIZE - 1);
+  tilex  = x / TILE_SIZE;
+  tiley  = y / TILE_SIZE;
+
+  while (height > 0)
+  {
+    ib = get_tile(img, x, y);
+
+    if (ib == NULL)
+      return (-1);
+
+    img->tiles[tiley][tilex].dirty = 1;
+    tiley ++;
+
+    count = TILE_SIZE - (y & (TILE_SIZE - 1));
+    if (count > height)
+      count = height;
+
+    y      += count;
+    height -= count;
+
+    for (; count > 0; count --, ib += twidth)
+      switch (bpp)
+      {
+        case 4 :
+            *ib++ = *pixels++;
+        case 3 :
+            *ib++ = *pixels++;
+            *ib++ = *pixels++;
+        case 1 :
+            *ib++ = *pixels++;
+            break;
+      }
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'ImagePutRow()' - Put a row of pixels to an image.
+ */
+
+int				/* O - -1 on error, 0 on success */
+ImagePutRow(image_t    *img,	/* I - Image */
+            int        x,	/* I - Start column */
+            int        y,	/* I - Row */
+            int        width,	/* I - Row width */
+            const ib_t *pixels)	/* I - Pixel data */
+{
+  int	bpp,			/* Bytes per pixel */
+	count;			/* Number of pixels to put */
+  int	tilex,			/* Column within tile */
+	tiley;			/* Row within tile */
+  ib_t	*ib;			/* Pointer to pixels in tile */
+
+
+  if (img == NULL || y < 0 || y >= img->ysize || x >= img->xsize)
+    return (-1);
+
+  if (x < 0)
+  {
+    width += x;
+    x = 0;
+  }
+
+  if ((x + width) > img->xsize)
+    width = img->xsize - x;
+
+  if (width < 1)
+    return (-1);
+
+  bpp   = img->colorspace < 0 ? -img->colorspace : img->colorspace;
+  tilex = x / TILE_SIZE;
+  tiley = y / TILE_SIZE;
+
+  while (width > 0)
+  {
+    ib = get_tile(img, x, y);
+
+    if (ib == NULL)
+      return (-1);
+
+    img->tiles[tiley][tilex].dirty = 1;
+
+    count = TILE_SIZE - (x & (TILE_SIZE - 1));
+    if (count > width)
+      count = width;
+    memcpy(ib, pixels, count * bpp);
+    pixels += count * bpp;
+    x      += count;
+    width  -= count;
+    tilex  ++;
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'get_tile()' - Get a cached tile.
+ */
+
+static ib_t *		/* O - Pointer to tile or NULL */
+get_tile(image_t *img,	/* I - Image */
+         int     x,	/* I - Column in image */
+         int     y)	/* I - Row in image */
+{
+  int		bpp,	/* Bytes per pixel */
+		tilex,	/* Column within tile */
+		tiley,	/* Row within tile */
+		xtiles,	/* Number of tiles horizontally */
+		ytiles;	/* Number of tiles vertically */
+  ic_t		*ic;	/* Cache pointer */
+  itile_t	*tile;	/* Tile pointer */
+
+
+  if (x >= img->xsize || y >= img->ysize)
+  {
+    fprintf(stderr, "ERROR: Internal image RIP error - %d,%d is outside of %dx%d\n",
+            x, y, img->xsize, img->ysize);
+    return (NULL);
+  }
+
+  if (img->tiles == NULL)
+  {
+    xtiles = (img->xsize + TILE_SIZE - 1) / TILE_SIZE;
+    ytiles = (img->ysize + TILE_SIZE - 1) / TILE_SIZE;
+
+    fprintf(stderr, "DEBUG: Creating tile array (%dx%d)\n", xtiles, ytiles);
+
+    img->tiles = calloc(sizeof(itile_t *), ytiles);
+    tile       = calloc(sizeof(itile_t), xtiles * ytiles);
+
+    for (tiley = 0; tiley < ytiles; tiley ++)
+    {
+      img->tiles[tiley] = tile;
+      for (tilex = xtiles; tilex > 0; tilex --, tile ++)
+        tile->pos = -1;
+    }
+  }
+
+  bpp   = ImageGetDepth(img);
+  tilex = x / TILE_SIZE;
+  tiley = y / TILE_SIZE;
+  x     &= (TILE_SIZE - 1);
+  y     &= (TILE_SIZE - 1);
+
+  tile = img->tiles[tiley] + tilex;
+
+  if ((ic = tile->ic) == NULL)
+  {
+    if (img->num_ics < img->max_ics)
+    {
+      ic         = calloc(sizeof(ic_t) + bpp * TILE_SIZE * TILE_SIZE, 1);
+      ic->pixels = ((ib_t *)ic) + sizeof(ic_t);
+
+      img->num_ics ++;
+
+      fprintf(stderr, "DEBUG: Allocated cache tile %d (%p)...\n",
+              img->num_ics, ic);
+    }
+    else
+    {
+      fprintf(stderr, "DEBUG: Flushing old cache tile (%p)...\n",
+              img->first);
+
+      flush_tile(img);
+      ic = img->first;
+    }
+
+    ic->tile = tile;
+    tile->ic = ic;
+
+    if (tile->pos >= 0)
+    {
+      fprintf(stderr, "DEBUG: Loading cache tile from file position %ld...\n",
+              tile->pos);
+
+      if (ftell(img->cachefile) != tile->pos)
+        if (fseek(img->cachefile, tile->pos, SEEK_SET))
+	  perror("get_tile:");
+
+      fread(ic->pixels, bpp, TILE_SIZE * TILE_SIZE, img->cachefile);
+    }
+    else
+    {
+      fputs("DEBUG: Clearing cache tile...\n", stderr);
+
+      memset(ic->pixels, 0, bpp * TILE_SIZE * TILE_SIZE);
+    }
+  }
+
+  if (ic == img->first)
+  {
+    if (ic->next != NULL)
+      ic->next->prev = NULL;
+
+    img->first = ic->next;
+    ic->next   = NULL;
+    ic->prev   = NULL;
+  }
+  else if (img->first == NULL)
+    img->first = ic;
+
+  if (ic != img->last)
+  {
+   /*
+    * Remove the cache entry from the list...
+    */
+
+    if (ic->prev != NULL)
+      ic->prev->next = ic->next;
+    if (ic->next != NULL)
+      ic->next->prev = ic->prev;
+
+   /*
+    * And add it to the end...
+    */
+
+    if (img->last != NULL)
+      img->last->next = ic;
+
+    ic->prev  = img->last;
+    img->last = ic;
+  }
+
+  ic->next = NULL;
+
+  return (ic->pixels + bpp * (y * TILE_SIZE + x));
+}
+
+
+/*
+ * 'flush_tile()' - Flush the least-recently-used tile in the cache.
+ */
+
+static void
+flush_tile(image_t *img)	/* I - Image */
+{
+  int		fd;		/* Cache file descriptor */
+  int		bpp;		/* Bytes per pixel */
+  itile_t	*tile;		/* Pointer to tile */
+
+
+  bpp  = ImageGetDepth(img);
+  tile = img->first->tile;
+
+  if (!tile->dirty)
+  {
+    tile->ic = NULL;
+    return;
+  }
+
+  if (img->cachefile == NULL)
+  {
+    if ((fd = cupsTempFd(img->cachename, sizeof(img->cachename))) < 0)
+    {
+      perror("ERROR: Unable to create image swap file");
+      tile->ic    = NULL;
+      tile->dirty = 0;
+      return;
+    }
+
+    fprintf(stderr, "DEBUG: Created swap file \"%s\"...\n", img->cachename);
+
+    if ((img->cachefile = fdopen(fd, "wb+")) == NULL)
+    {
+      perror("ERROR: Unable to create image swap file");
+      close(fd);
+      unlink(img->cachename);
+      tile->ic    = NULL;
+      tile->dirty = 0;
+      return;
+    }
+  }
+
+  if (tile->pos >= 0)
+  {
+    if (ftell(img->cachefile) != tile->pos)
+      if (fseek(img->cachefile, tile->pos, SEEK_SET))
+      {
+        perror("ERROR: Unable to seek in swap file");
+	tile->ic    = NULL;
+	tile->dirty = 0;
+	return;
+      }
+  }
+  else
+  {
+    if (fseek(img->cachefile, 0, SEEK_END))
+    {
+      perror("ERROR: Unable to append to swap file");
+      tile->ic    = NULL;
+      tile->dirty = 0;
+      return;
+    }
+
+    tile->pos = ftell(img->cachefile);
+  }
+
+
+  if (fwrite(tile->ic->pixels, bpp, TILE_SIZE * TILE_SIZE, img->cachefile) < 1)
+    perror("ERROR: Unable to write tile to swap file");
+  else
+    fprintf(stderr, "DEBUG: Wrote tile at position %ld...\n", tile->pos);
+
+  tile->ic    = NULL;
+  tile->dirty = 0;
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/image.h b/filter/image.h
new file mode 100644
index 000000000..c33c49d84
--- /dev/null
+++ b/filter/image.h
@@ -0,0 +1,231 @@
+/*
+ * "$Id$"
+ *
+ *   Image library definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _IMAGE_H_
+#  define _IMAGE_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <stdio.h>
+#  include <stdlib.h>
+#  include <string.h>
+#  include <errno.h>
+#  include <config.h>
+
+
+/*
+ * Colorspaces...
+ */
+
+#  define IMAGE_CMYK	-4		/* Cyan, magenta, yellow, and black */
+#  define IMAGE_CMY	-3		/* Cyan, magenta, and yellow */
+#  define IMAGE_BLACK	-1		/* Black */
+#  define IMAGE_WHITE	1		/* White (luminance) */
+#  define IMAGE_RGB	3		/* Red, green, and blue */
+
+/*
+ * Tile definitions...
+ */
+
+#  define TILE_SIZE	256		/* 256x256 pixel tiles */
+#  define TILE_MINIMUM	10		/* Minimum number of tiles */
+
+/*
+ * min/max/abs macros...
+ */
+
+#ifndef max
+#  define 	max(a,b)	((a) > (b) ? (a) : (b))
+#endif /* !max */
+#ifndef min
+#  define 	min(a,b)	((a) < (b) ? (a) : (b))
+#endif /* !min */
+#ifndef abs
+#  define	abs(a)		((a) < 0 ? -(a) : (a))
+#endif /* !abs */
+
+
+/*
+ * Image byte type...
+ */
+
+typedef unsigned char ib_t;
+
+/*
+ * Tile cache structure...
+ */
+
+typedef struct ic_str
+{
+  struct ic_str	*prev,		/* Previous tile in cache */
+		*next;		/* Next tile in cache */
+  void		*tile;		/* Tile this is attached to */
+  ib_t		*pixels;	/* Pixel data */
+} ic_t;
+
+/*
+ * Tile structure...
+ */
+
+typedef struct
+{
+  int		dirty;		/* True if tile is dirty */
+  long		pos;		/* Position of tile on disk (-1 if not written) */
+  ic_t		*ic;		/* Pixel data */
+} itile_t;
+
+/*
+ * Image structure...
+ */
+
+typedef struct
+{
+  int		colorspace;	/* Colorspace of image */
+  unsigned	xsize,		/* Width of image in pixels */
+		ysize,		/* Height of image in pixels */
+		xppi,		/* X resolution in pixels-per-inch */
+		yppi,		/* Y resolution in pixels-per-inch */
+		num_ics,	/* Number of cached tiles */
+		max_ics;	/* Maximum number of cached tiles */
+  itile_t	**tiles;	/* Tiles in image */
+  ic_t		*first,		/* First cached tile in image */
+		*last;		/* Last cached tile in image */
+  FILE		*cachefile;	/* Tile cache file */
+  char		cachename[256];	/* Tile cache filename */
+} image_t;
+
+/*
+ * Image row zooming structure...
+ */
+
+typedef struct
+{
+  image_t	*img;		/* Image to zoom */
+  unsigned	xorig,
+		yorig,
+		width,		/* Width of input area */
+		height,		/* Height of input area */
+		depth,		/* Number of bytes per pixel */
+		rotated,	/* Non-zero if image needs to be rotated */
+		xsize,		/* Width of output image */
+		ysize,		/* Height of output image */
+		xmax,		/* Maximum input image X position */
+		ymax,		/* Maximum input image Y position */
+		xmod,		/* Threshold for Bresenheim rounding */
+		ymod;		/* ... */
+  int		xstep,		/* Amount to step for each pixel along X */
+		xincr,
+		instep,		/* Amount to step pixel pointer along X */
+		inincr,
+		ystep,		/* Amount to step for each pixel along Y */
+		yincr,
+		row;		/* Current row */
+  ib_t		*rows[2],	/* Horizontally scaled pixel data */
+		*in;		/* Unscaled input pixel data */
+} izoom_t;
+
+
+/*
+ * Basic image functions...
+ */
+
+extern image_t	*ImageOpen(char *filename, int primary, int secondary,
+		           int saturation, int hue, const ib_t *lut);
+extern void	ImageClose(image_t *img);
+extern void	ImageSetMaxTiles(image_t *img, int max_tiles);
+extern void	ImageSetProfile(float d, float g, float matrix[3][3]);
+
+#define 	ImageGetDepth(img)	((img)->colorspace < 0 ? -(img)->colorspace : (img)->colorspace)
+extern int	ImageGetCol(image_t *img, int x, int y, int height, ib_t *pixels);
+extern int	ImageGetRow(image_t *img, int x, int y, int width, ib_t *pixels);
+extern int	ImagePutCol(image_t *img, int x, int y, int height, const ib_t *pixels);
+extern int	ImagePutRow(image_t *img, int x, int y, int width, const ib_t *pixels);
+
+/*
+ * File formats...
+ */
+
+extern int	ImageReadBMP(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadFPX(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadGIF(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadJPEG(image_t *img, FILE *fp, int primary, int secondary,
+		              int saturation, int hue, const ib_t *lut);
+extern int	ImageReadPIX(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadPNG(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadPNM(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadPhotoCD(image_t *img, FILE *fp, int primary,
+		                 int secondary, int saturation, int hue,
+				 const ib_t *lut);
+extern int	ImageReadSGI(image_t *img, FILE *fp, int primary, int secondary,
+		             int saturation, int hue, const ib_t *lut);
+extern int	ImageReadSunRaster(image_t *img, FILE *fp, int primary,
+		                   int secondary, int saturation, int hue,
+				   const ib_t *lut);
+extern int	ImageReadTIFF(image_t *img, FILE *fp, int primary, int secondary,
+		              int saturation, int hue, const ib_t *lut);
+
+/*
+ * Colorspace conversions...
+ */
+
+extern void	ImageWhiteToWhite(const ib_t *in, ib_t *out, int count);
+extern void	ImageWhiteToRGB(const ib_t *in, ib_t *out, int count);
+extern void	ImageWhiteToBlack(const ib_t *in, ib_t *out, int count);
+extern void	ImageWhiteToCMY(const ib_t *in, ib_t *out, int count);
+extern void	ImageWhiteToCMYK(const ib_t *in, ib_t *out, int count);
+
+extern void	ImageRGBToWhite(const ib_t *in, ib_t *out, int count);
+extern void	ImageRGBToRGB(const ib_t *in, ib_t *out, int count);
+extern void	ImageRGBToBlack(const ib_t *in, ib_t *out, int count);
+extern void	ImageRGBToCMY(const ib_t *in, ib_t *out, int count);
+extern void	ImageRGBToCMYK(const ib_t *in, ib_t *out, int count);
+
+extern void	ImageRGBAdjust(ib_t *pixels, int count, int saturation, int hue);
+
+extern void	ImageLut(ib_t *pixels, int count, const ib_t *lut);
+
+/*
+ * Image scaling operations...
+ */
+
+extern izoom_t	*ImageZoomAlloc(image_t *img, int x0, int y0, int x1, int y1,
+		                int xsize, int ysize, int rotated);
+extern void	ImageZoomFill(izoom_t *z, int iy);
+extern void	ImageZoomQFill(izoom_t *z, int iy);
+extern void	ImageZoomFree(izoom_t *z);
+
+
+#endif /* !_IMAGE_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/imagetops.c b/filter/imagetops.c
new file mode 100644
index 000000000..e87d97a06
--- /dev/null
+++ b/filter/imagetops.c
@@ -0,0 +1,870 @@
+/*
+ * "$Id$"
+ *
+ *   Image file to PostScript filter for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()       - Main entry...
+ *   ps_hex()     - Print binary data as a series of hexadecimal numbers.
+ *   ps_ascii85() - Print binary data as a series of base-85 numbers.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+#include "image.h"
+#include <math.h>
+
+
+/*
+ * Globals...
+ */
+
+int	Flip = 0,		/* Flip/mirror pages */
+	XPosition = 0,		/* Horizontal position on page */
+	YPosition = 0,		/* Vertical position on page */
+	Collate = 0,		/* Collate copies? */
+	Copies = 1;		/* Number of copies */
+
+
+/*
+ * Local functions...
+ */
+
+static void	ps_hex(ib_t *, int, int);
+static void	ps_ascii85(ib_t *, int, int);
+
+
+/*
+ * 'main()' - Main entry...
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  image_t	*img;		/* Image to print */
+  float		xprint,		/* Printable area */
+		yprint,
+		xinches,	/* Total size in inches */
+		yinches;
+  float		xsize,		/* Total size in points */
+		ysize,
+		xsize2,
+		ysize2;
+  float		aspect;		/* Aspect ratio */
+  int		xpages,		/* # x pages */
+		ypages,		/* # y pages */
+		xpage,		/* Current x page */
+		ypage,		/* Current y page */
+		page;		/* Current page number */
+  int		x0, y0,		/* Corners of the page in image coords */
+		x1, y1;
+  ib_t		*row;		/* Current row */
+  int		y;		/* Current Y coordinate in image */
+  int		colorspace;	/* Output colorspace */
+  int		out_offset,	/* Offset into output buffer */
+		out_length;	/* Length of output buffer */
+  ppd_file_t	*ppd;		/* PPD file */
+  ppd_choice_t	*choice;	/* PPD option choice */
+  int		num_options;	/* Number of print options */
+  cups_option_t	*options;	/* Print options */
+  const char	*val;		/* Option value */
+  int		slowcollate;	/* Collate copies the slow way */
+  float		g;		/* Gamma correction value */
+  float		b;		/* Brightness factor */
+  float		zoom;		/* Zoom facter */
+  int		xppi, yppi;	/* Pixels-per-inch */
+  int		hue, sat;	/* Hue and saturation adjustment */
+  int		realcopies;	/* Real copies being printed */
+  float		left, top;	/* Left and top of image */
+  char		filename[1024];	/* Name of file to print */
+  time_t	curtime;	/* Current time */
+  struct tm	*curtm;		/* Current date */
+  char		curdate[255];	/* Current date string */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+    fputs("ERROR: imagetops job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+  fprintf(stderr, "INFO: %s %s %s %s %s %s %s\n", argv[0], argv[1], argv[2],
+          argv[3], argv[4], argv[5], argv[6] ? argv[6] : "(null)");
+
+ /*
+  * Copy stdin as needed...
+  */
+
+  if (argc == 6)
+  {
+    int		fd;		/* File to write to */
+    char	buffer[8192];	/* Buffer to read into */
+    int		bytes;		/* # of bytes to read */
+
+
+    if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
+    {
+      perror("ERROR: Unable to copy image file");
+      return (1);
+    }
+
+    fprintf(stderr, "DEBUG: imagetoraster - copying to temp print file \"%s\"\n",
+            filename);
+
+    while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
+      write(fd, buffer, bytes);
+
+    close(fd);
+  }
+  else
+  {
+    strncpy(filename, argv[6], sizeof(filename) - 1);
+    filename[sizeof(filename) - 1] = '\0';
+  }
+
+ /*
+  * Process command-line options and write the prolog...
+  */
+
+  zoom = 0.0;
+  xppi = 0;
+  yppi = 0;
+  hue  = 0;
+  sat  = 100;
+  g    = 1.0;
+  b    = 1.0;
+
+  Copies = atoi(argv[4]);
+
+  options     = NULL;
+  num_options = cupsParseOptions(argv[5], 0, &options);
+
+  ppd = SetCommonOptions(num_options, options, 1);
+
+  if ((val = cupsGetOption("multiple-document-handling", num_options, options)) != NULL)
+  {
+   /*
+    * This IPP attribute is unnecessarily complicated...
+    *
+    *   single-document, separate-documents-collated-copies, and
+    *   single-document-new-sheet all require collated copies.
+    *
+    *   separate-documents-uncollated-copies allows for uncollated copies.
+    */
+
+    Collate = strcasecmp(val, "separate-documents-uncollated-copies") != 0;
+  }
+
+  if ((val = cupsGetOption("Collate", num_options, options)) != NULL &&
+      strcasecmp(val, "True") == 0)
+    Collate = 1;
+
+  if ((val = cupsGetOption("gamma", num_options, options)) != NULL)
+    g = atoi(val) * 0.001f;
+
+  if ((val = cupsGetOption("brightness", num_options, options)) != NULL)
+    b = atoi(val) * 0.01f;
+
+  if ((val = cupsGetOption("scaling", num_options, options)) != NULL)
+    zoom = atoi(val) * 0.01;
+
+  if ((val = cupsGetOption("ppi", num_options, options)) != NULL)
+    if (sscanf(val, "%dx%d", &xppi, &yppi) < 2)
+      yppi = xppi;
+
+  if ((val = cupsGetOption("position", num_options, options)) != NULL)
+  {
+    if (strcasecmp(val, "center") == 0)
+    {
+      XPosition = 0;
+      YPosition = 0;
+    }
+    else if (strcasecmp(val, "top") == 0)
+    {
+      XPosition = 0;
+      YPosition = 1;
+    }
+    else if (strcasecmp(val, "left") == 0)
+    {
+      XPosition = -1;
+      YPosition = 0;
+    }
+    else if (strcasecmp(val, "right") == 0)
+    {
+      XPosition = 1;
+      YPosition = 0;
+    }
+    else if (strcasecmp(val, "top-left") == 0)
+    {
+      XPosition = -1;
+      YPosition = 1;
+    }
+    else if (strcasecmp(val, "top-right") == 0)
+    {
+      XPosition = 1;
+      YPosition = 1;
+    }
+    else if (strcasecmp(val, "bottom") == 0)
+    {
+      XPosition = 0;
+      YPosition = -1;
+    }
+    else if (strcasecmp(val, "bottom-left") == 0)
+    {
+      XPosition = -1;
+      YPosition = -1;
+    }
+    else if (strcasecmp(val, "bottom-right") == 0)
+    {
+      XPosition = 1;
+      YPosition = -1;
+    }
+  }
+
+  if ((val = cupsGetOption("saturation", num_options, options)) != NULL)
+    sat = atoi(val);
+
+  if ((val = cupsGetOption("hue", num_options, options)) != NULL)
+    hue = atoi(val);
+
+ /*
+  * Open the input image to print...
+  */
+
+  colorspace = ColorDevice ? IMAGE_RGB : IMAGE_WHITE;
+
+  img = ImageOpen(filename, colorspace, IMAGE_WHITE, sat, hue, NULL);
+
+  if (argc == 6)
+    unlink(filename);
+
+  if (img == NULL)
+  {
+    fputs("ERROR: Unable to open image file for printing!\n", stderr);
+    ppdClose(ppd);
+    return (1);
+  }
+
+  colorspace = img->colorspace;
+
+ /*
+  * Scale as necessary...
+  */
+
+  xprint = (PageRight - PageLeft) / 72.0;
+  yprint = (PageTop - PageBottom) / 72.0;
+
+  if (zoom == 0.0 && xppi == 0)
+  {
+    xppi = img->xppi;
+    yppi = img->yppi;
+  }
+
+  if (yppi == 0)
+    yppi = xppi;
+
+  if (xppi > 0)
+  {
+   /*
+    * Scale the image as neccesary to match the desired pixels-per-inch.
+    */
+    
+    xinches = (float)img->xsize / (float)xppi;
+    yinches = (float)img->ysize / (float)yppi;
+
+    if ((val = cupsGetOption("natural-scaling", num_options, options)) != NULL)
+    {
+      xinches = xinches * atoi(val) / 100;
+      yinches = yinches * atoi(val) / 100;
+    }
+
+    if (cupsGetOption("orientation", num_options, options) == NULL &&
+        cupsGetOption("landscape", num_options, options) == NULL)
+    {
+     /*
+      * Rotate the image if it will fit landscape but not portrait...
+      */
+
+      if ((xinches > xprint || yinches > yprint) &&
+          xinches <= yprint && yinches <= xprint)
+      {
+       /*
+	* Rotate the image as needed...
+	*/
+
+	Orientation = (Orientation + 1) & 3;
+	xsize       = yprint;
+	yprint      = xprint;
+	xprint      = xsize;
+
+	xsize       = PageLeft;
+	PageLeft    = PageBottom;
+	PageBottom  = PageWidth - PageRight;
+	PageRight   = PageTop;
+	PageTop     = PageLength - xsize;
+
+	xsize       = PageWidth;
+	PageWidth   = PageLength;
+	PageLength  = xsize;
+      }
+    }
+  }
+  else
+  {
+   /*
+    * Scale percentage of page size...
+    */
+
+    aspect = (float)img->yppi / (float)img->xppi;
+
+    fprintf(stderr, "DEBUG: img->xppi = %d, img->yppi = %d, aspect = %f\n",
+            img->xppi, img->yppi, aspect);
+
+    xsize = xprint * zoom;
+    ysize = xsize * img->ysize / img->xsize / aspect;
+
+    if (ysize > (yprint * zoom))
+    {
+      ysize = yprint * zoom;
+      xsize = ysize * img->xsize * aspect / img->ysize;
+    }
+
+    xsize2 = yprint * zoom;
+    ysize2 = xsize2 * img->ysize / img->xsize / aspect;
+
+    if (ysize2 > (xprint * zoom))
+    {
+      ysize2 = xprint * zoom;
+      xsize2 = ysize2 * img->xsize * aspect / img->ysize;
+    }
+
+    fprintf(stderr, "DEBUG: xsize = %.0f, ysize = %.0f\n", xsize, ysize);
+    fprintf(stderr, "DEBUG: xsize2 = %.0f, ysize2 = %.0f\n", xsize2, ysize2);
+
+    if (cupsGetOption("orientation", num_options, options) == NULL &&
+        cupsGetOption("landscape", num_options, options) == NULL)
+    {
+     /*
+      * Choose the rotation with the largest area, but prefer
+      * portrait if they are equal...
+      */
+
+      if ((xsize * ysize) < (xsize2 * xsize2))
+      {
+       /*
+	* Do landscape orientation...
+	*/
+
+	Orientation = 1;
+	xinches     = xsize2;
+	yinches     = ysize2;
+	xprint      = (PageTop - PageBottom) / 72.0;
+	yprint      = (PageRight - PageLeft) / 72.0;
+
+	xsize       = PageLeft;
+	PageLeft    = PageBottom;
+	PageBottom  = PageWidth - PageRight;
+	PageRight   = PageTop;
+	PageTop     = PageLength - xsize;
+
+	xsize       = PageWidth;
+	PageWidth   = PageLength;
+	PageLength  = xsize;
+      }
+      else
+      {
+       /*
+	* Do portrait orientation...
+	*/
+
+	Orientation = 0;
+	xinches     = xsize;
+	yinches     = ysize;
+      }
+    }
+    else if (Orientation & 1)
+    {
+      xinches     = xsize2;
+      yinches     = ysize2;
+      xprint      = (PageTop - PageBottom) / 72.0;
+      yprint      = (PageRight - PageLeft) / 72.0;
+
+      xsize       = PageLeft;
+      PageLeft    = PageBottom;
+      PageBottom  = PageWidth - PageRight;
+      PageRight   = PageTop;
+      PageTop     = PageLength - xsize;
+
+      xsize       = PageWidth;
+      PageWidth   = PageLength;
+      PageLength  = xsize;
+    }
+    else
+    {
+      xinches     = xsize;
+      yinches     = ysize;
+      xprint      = (PageRight - PageLeft) / 72.0;
+      yprint      = (PageTop - PageBottom) / 72.0;
+    }
+  }
+
+ /*
+  * Compute the number of pages to print and the size of the image on each
+  * page...
+  */
+
+  xpages = ceil(xinches / xprint);
+  ypages = ceil(yinches / yprint);
+
+  xprint = xinches / xpages;
+  yprint = yinches / ypages;
+
+ /*
+  * Update the page size for custom sizes...
+  */
+
+  if ((choice = ppdFindMarkedChoice(ppd, "PageSize")) != NULL &&
+      strcasecmp(choice->choice, "Custom") == 0)
+  {
+    float	width,		/* New width in points */
+		length;		/* New length in points */
+    char	s[255];		/* New custom page size... */
+
+
+    if (Orientation & 1)
+    {
+      width  = yprint * 72.0;
+      length = xprint * 72.0;
+    }
+    else
+    {
+      width  = xprint * 72.0;
+      length = yprint * 72.0;
+    }
+
+   /*
+    * Add margins to page size...
+    */
+
+    width  += ppd->custom_margins[0] + ppd->custom_margins[2];
+    length += ppd->custom_margins[1] + ppd->custom_margins[3];
+
+   /*
+    * Enforce minimums...
+    */
+
+    if (width < ppd->custom_min[0])
+      width = ppd->custom_min[0];
+
+    if (length < ppd->custom_min[1])
+      length = ppd->custom_min[1];
+
+   /*
+    * Set the new custom size...
+    */
+
+    sprintf(s, "Custom.%.0fx%.0f", width, length);
+    ppdMarkOption(ppd, "PageSize", s);
+
+   /*
+    * Update page variables...
+    */
+
+    PageWidth  = width;
+    PageLength = length;
+    PageLeft   = ppd->custom_margins[0];
+    PageRight  = width - ppd->custom_margins[2];
+    PageBottom = ppd->custom_margins[1];
+    PageTop    = length - ppd->custom_margins[3];
+
+    UpdatePageVars();
+  }
+
+ /*
+  * See if we need to collate, and if so how we need to do it...
+  */
+
+  if (xpages == 1 && ypages == 1)
+    Collate = 0;
+
+  slowcollate = Collate && ppdFindOption(ppd, "Collate") == NULL;
+
+  if (Copies > 1 && !slowcollate)
+  {
+    realcopies = Copies;
+    Copies     = 1;
+  }
+  else
+    realcopies = 1;
+
+ /*
+  * Write any "exit server" options that have been selected...
+  */
+
+  ppdEmit(ppd, stdout, PPD_ORDER_EXIT);
+
+ /*
+  * Write any JCL commands that are needed to print PostScript code...
+  */
+
+  ppdEmitJCL(ppd, stdout, atoi(argv[1]), argv[2], argv[3]);
+
+ /*
+  * Start sending the document with any commands needed...
+  */
+
+  curtime = time(NULL);
+  curtm   = localtime(&curtime);
+
+  puts("%!PS-Adobe-3.0");
+  printf("%%%%BoundingBox: %.0f %.0f %.0f %.0f\n", PageLeft, PageBottom,
+         PageRight, PageTop);
+  printf("%%%%LanguageLevel: %d\n", LanguageLevel);
+  printf("%%%%Pages: %d\n", xpages * ypages * Copies);
+  puts("%%DocumentData: Clean7Bit");
+  puts("%%DocumentNeededResources: font Helvetica-Bold");
+  puts("%%Creator: imagetops/" CUPS_SVERSION);
+  strftime(curdate, sizeof(curdate), CUPS_STRFTIME_FORMAT, curtm);
+  printf("%%%%CreationDate: %s\n", curdate);
+  printf("%%%%Title: %s\n", argv[3]);
+  printf("%%%%For: %s\n", argv[2]);
+  if (Orientation & 1)
+    puts("%%Orientation: Landscape");
+  puts("%%EndComments");
+  puts("%%BeginProlog");
+
+  if (ppd != NULL && ppd->patches != NULL)
+    puts(ppd->patches);
+
+  ppdEmit(ppd, stdout, PPD_ORDER_DOCUMENT);
+  ppdEmit(ppd, stdout, PPD_ORDER_ANY);
+  ppdEmit(ppd, stdout, PPD_ORDER_PROLOG);
+
+  if (g != 1.0 || b != 1.0)
+    printf("{ neg 1 add dup 0 lt { pop 1 } { %.3f exp neg 1 add } "
+           "ifelse %.3f mul } bind settransfer\n", g, b);
+
+  WriteLabelProlog(cupsGetOption("page-label", num_options, options),
+                   PageBottom, PageTop, PageWidth);
+
+  if (realcopies > 1)
+  {
+    if (ppd == NULL || ppd->language_level == 1)
+      printf("/#copies %d def\n", realcopies);
+    else
+      printf("<</NumCopies %d>>setpagedevice\n", realcopies);
+  }
+
+  puts("%%EndProlog");
+
+ /*
+  * Output the pages...
+  */
+
+  row = malloc(img->xsize * abs(colorspace) + 3);
+
+  for (page = 1; Copies > 0; Copies --)
+    for (xpage = 0; xpage < xpages; xpage ++)
+      for (ypage = 0; ypage < ypages; ypage ++, page ++)
+      {
+        if (ppd && ppd->num_filters == 0)
+          fprintf(stderr, "PAGE: %d %d\n", page, realcopies);
+
+	fprintf(stderr, "INFO: Printing page %d...\n", page);
+
+        printf("%%%%Page: %d %d\n", page, page);
+
+        ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+	puts("gsave");
+
+	if (Flip)
+	  printf("%.0f 0 translate -1 1 scale\n", PageWidth);
+
+	switch (Orientation)
+	{
+	  case 1 : /* Landscape */
+              printf("%.0f 0 translate 90 rotate\n", PageLength);
+              break;
+	  case 2 : /* Reverse Portrait */
+              printf("%.0f %.0f translate 180 rotate\n", PageWidth, PageLength);
+              break;
+	  case 3 : /* Reverse Landscape */
+              printf("0 %.0f translate -90 rotate\n", PageWidth);
+              break;
+	}
+
+	x0 = img->xsize * xpage / xpages;
+	x1 = img->xsize * (xpage + 1) / xpages - 1;
+	y0 = img->ysize * ypage / ypages;
+	y1 = img->ysize * (ypage + 1) / ypages - 1;
+
+        switch (XPosition)
+	{
+	  case -1 :
+	      left = PageLeft;
+	      break;
+	  default :
+	      left = (PageWidth - xprint * 72.0) * 0.5;
+	      break;
+	  case 1 :
+	      left = PageRight - xprint * 72.0;
+	      break;
+	}
+
+        switch (YPosition)
+	{
+	  case -1 :
+	      top = PageBottom + 72.0 * yprint;
+	      break;
+	  default :
+	      top = (PageLength + yprint * 72.0) * 0.5;
+	      break;
+	  case 1 :
+	      top = PageTop;
+	      break;
+	}
+
+        printf("%.1f %.1f translate\n", left, top);
+
+	printf("%.3f %.3f scale\n\n",
+	       xprint * 72.0 / (x1 - x0 + 1),
+	       yprint * 72.0 / (y1 - y0 + 1));
+
+	if (LanguageLevel == 1)
+	{
+	  printf("/picture %d string def\n", (x1 - x0 + 1) * abs(colorspace));
+	  printf("%d %d 8[1 0 0 -1 0 1]", (x1 - x0 + 1), (y1 - y0 + 1));
+
+          if (colorspace == IMAGE_WHITE)
+            puts("{currentfile picture readhexstring pop} image");
+          else
+            puts("{currentfile picture readhexstring pop} false 3 colorimage");
+
+          for (y = y0; y <= y1; y ++)
+          {
+            ImageGetRow(img, x0, y, x1 - x0 + 1, row);
+            ps_hex(row, (x1 - x0 + 1) * abs(colorspace), y == y1);
+          }
+	}
+	else
+	{
+          if (colorspace == IMAGE_WHITE)
+            puts("/DeviceGray setcolorspace");
+          else
+            puts("/DeviceRGB setcolorspace");
+
+          printf("<<"
+                 "/ImageType 1"
+		 "/Width %d"
+		 "/Height %d"
+		 "/BitsPerComponent 8",
+		 x1 - x0 + 1, y1 - y0 + 1);
+
+          if (colorspace == IMAGE_WHITE)
+            fputs("/Decode[0 1]", stdout);
+          else
+            fputs("/Decode[0 1 0 1 0 1]", stdout);
+
+          fputs("/DataSource currentfile /ASCII85Decode filter", stdout);
+
+          if (((x1 - x0 + 1) / xprint) < 100.0)
+            fputs("/Interpolate true", stdout);
+
+          puts("/ImageMatrix[1 0 0 -1 0 1]>>image");
+
+          for (y = y0, out_offset = 0; y <= y1; y ++)
+          {
+            ImageGetRow(img, x0, y, x1 - x0 + 1, row + out_offset);
+
+            out_length = (x1 - x0 + 1) * abs(colorspace) + out_offset;
+            out_offset = out_length & 3;
+
+            ps_ascii85(row, out_length, y == y1);
+
+            if (out_offset > 0)
+              memcpy(row, row + out_length - out_offset, out_offset);
+          }
+	}
+
+	puts("grestore");
+	WriteLabels(Orientation);
+	puts("showpage");
+      }
+
+  puts("%%EOF");
+
+ /*
+  * End the job with the appropriate JCL command or CTRL-D otherwise.
+  */
+
+  if (ppd != NULL && ppd->jcl_end)
+    fputs(ppd->jcl_end, stdout);
+  else
+    putchar(0x04);
+
+ /*
+  * Close files...
+  */
+
+  ImageClose(img);
+  ppdClose(ppd);
+
+  return (0);
+}
+
+
+/*
+ * 'ps_hex()' - Print binary data as a series of hexadecimal numbers.
+ */
+
+static void
+ps_hex(ib_t *data,		/* I - Data to print */
+       int  length,		/* I - Number of bytes to print */
+       int  last_line)		/* I - Last line of raster data? */
+{
+  static int	col = 0;	/* Current column */
+  static char	*hex = "0123456789ABCDEF";
+				/* Hex digits */
+
+
+  while (length > 0)
+  {
+   /*
+    * Put the hex chars out to the file; note that we don't use printf()
+    * for speed reasons...
+    */
+
+    putchar(hex[*data >> 4]);
+    putchar(hex[*data & 15]);
+
+    data ++;
+    length --;
+
+    col += 2;
+    if (col > 78)
+    {
+      putchar('\n');
+      col = 0;
+    }
+  }
+
+  if (last_line && col)
+  {
+    putchar('\n');
+    col = 0;
+  }
+}
+
+
+/*
+ * 'ps_ascii85()' - Print binary data as a series of base-85 numbers.
+ */
+
+static void
+ps_ascii85(ib_t *data,		/* I - Data to print */
+	   int  length,		/* I - Number of bytes to print */
+	   int  last_line)	/* I - Last line of raster data? */
+{
+  unsigned	b;		/* Binary data word */
+  unsigned char	c[5];		/* ASCII85 encoded chars */
+  static int	col = 0;	/* Current column */
+
+
+  while (length > 3)
+  {
+    b = (((((data[0] << 8) | data[1]) << 8) | data[2]) << 8) | data[3];
+
+    if (b == 0)
+    {
+      putchar('z');
+      col ++;
+    }
+    else
+    {
+      c[4] = (b % 85) + '!';
+      b /= 85;
+      c[3] = (b % 85) + '!';
+      b /= 85;
+      c[2] = (b % 85) + '!';
+      b /= 85;
+      c[1] = (b % 85) + '!';
+      b /= 85;
+      c[0] = b + '!';
+
+      fwrite(c, 5, 1, stdout);
+      col += 5;
+    }
+
+    data += 4;
+    length -= 4;
+
+    if (col >= 75)
+    {
+      putchar('\n');
+      col = 0;
+    }
+  }
+
+  if (last_line)
+  {
+    if (length > 0)
+    {
+      memset(data + length, 0, 4 - length);
+      b = (((((data[0] << 8) | data[1]) << 8) | data[2]) << 8) | data[3];
+
+      c[4] = (b % 85) + '!';
+      b /= 85;
+      c[3] = (b % 85) + '!';
+      b /= 85;
+      c[2] = (b % 85) + '!';
+      b /= 85;
+      c[1] = (b % 85) + '!';
+      b /= 85;
+      c[0] = b + '!';
+
+      fwrite(c, length + 1, 1, stdout);
+    }
+
+    puts("~>");
+    col = 0;
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/imagetoraster.c b/filter/imagetoraster.c
new file mode 100644
index 000000000..6fef67201
--- /dev/null
+++ b/filter/imagetoraster.c
@@ -0,0 +1,4452 @@
+/*
+ * "$Id$"
+ *
+ *   Image file to raster filter for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()          - Main entry...
+ *   exec_code()     - Execute PostScript setpagedevice commands as
+ *                     appropriate.
+ *   format_CMY()    - Convert image data to CMY.
+ *   format_CMYK()   - Convert image data to CMYK.
+ *   format_K()      - Convert image data to black.
+ *   format_KCMY()   - Convert image data to KCMY.
+ *   format_KCMYcm() - Convert image data to KCMYcm.
+ *   format_RGBA()   - Convert image data to RGBA.
+ *   format_W()      - Convert image data to luminance.
+ *   format_YMC()    - Convert image data to YMC.
+ *   format_YMCK()   - Convert image data to YMCK.
+ *   make_lut()      - Make a lookup table given gamma and brightness values.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+#include "image.h"
+#include "raster.h"
+#include <unistd.h>
+#include <math.h>
+
+
+/*
+ * Globals...
+ */
+
+int	Flip = 0,		/* Flip/mirror pages */
+	XPosition = 0,		/* Horizontal position on page */
+	YPosition = 0,		/* Vertical position on page */
+	Collate = 0,		/* Collate copies? */
+	Copies = 1;		/* Number of copies */
+int	Floyd16x16[16][16] =	/* Traditional Floyd ordered dither */
+	{
+	  { 0,   128, 32,  160, 8,   136, 40,  168,
+	    2,   130, 34,  162, 10,  138, 42,  170 },
+	  { 192, 64,  224, 96,  200, 72,  232, 104,
+	    194, 66,  226, 98,  202, 74,  234, 106 },
+	  { 48,  176, 16,  144, 56,  184, 24,  152,
+	    50,  178, 18,  146, 58,  186, 26,  154 },
+	  { 240, 112, 208, 80,  248, 120, 216, 88,
+	    242, 114, 210, 82,  250, 122, 218, 90 },
+	  { 12,  140, 44,  172, 4,   132, 36,  164,
+	    14,  142, 46,  174, 6,   134, 38,  166 },
+	  { 204, 76,  236, 108, 196, 68,  228, 100,
+	    206, 78,  238, 110, 198, 70,  230, 102 },
+	  { 60,  188, 28,  156, 52,  180, 20,  148,
+	    62,  190, 30,  158, 54,  182, 22,  150 },
+	  { 252, 124, 220, 92,  244, 116, 212, 84,
+	    254, 126, 222, 94,  246, 118, 214, 86 },
+	  { 3,   131, 35,  163, 11,  139, 43,  171,
+	    1,   129, 33,  161, 9,   137, 41,  169 },
+	  { 195, 67,  227, 99,  203, 75,  235, 107,
+	    193, 65,  225, 97,  201, 73,  233, 105 },
+	  { 51,  179, 19,  147, 59,  187, 27,  155,
+	    49,  177, 17,  145, 57,  185, 25,  153 },
+	  { 243, 115, 211, 83,  251, 123, 219, 91,
+	    241, 113, 209, 81,  249, 121, 217, 89 },
+	  { 15,  143, 47,  175, 7,   135, 39,  167,
+	    13,  141, 45,  173, 5,   133, 37,  165 },
+	  { 207, 79,  239, 111, 199, 71,  231, 103,
+	    205, 77,  237, 109, 197, 69,  229, 101 },
+	  { 63,  191, 31,  159, 55,  183, 23,  151,
+	    61,  189, 29,  157, 53,  181, 21,  149 },
+	  { 254, 127, 223, 95,  247, 119, 215, 87,
+	    253, 125, 221, 93,  245, 117, 213, 85 }
+	};
+int	Floyd8x8[8][8] =
+	{
+	  {  0, 32,  8, 40,  2, 34, 10, 42 },
+	  { 48, 16, 56, 24, 50, 18, 58, 26 },
+	  { 12, 44,  4, 36, 14, 46,  6, 38 },
+	  { 60, 28, 52, 20, 62, 30, 54, 22 },
+	  {  3, 35, 11, 43,  1, 33,  9, 41 },
+	  { 51, 19, 59, 27, 49, 17, 57, 25 },
+	  { 15, 47,  7, 39, 13, 45,  5, 37 },
+	  { 63, 31, 55, 23, 61, 29, 53, 21 }
+	};
+int	Floyd4x4[4][4] =
+	{
+	  {  0,  8,  2, 10 },
+	  { 12,  4, 14,  6 },
+	  {  3, 11,  1,  9 },
+	  { 15,  7, 13,  5 }
+	};
+
+ib_t	OnPixels[256],	/* On-pixel LUT */
+	OffPixels[256];	/* Off-pixel LUT */
+int	Planes[] =	/* Number of planes for each colorspace */
+	{ 1, 3, 4, 1, 3, 3, 4, 4, 4, 6, 4, 4, 1, 1, 1 };
+
+
+/*
+ * Local functions...
+ */
+ 
+static void	exec_code(cups_page_header_t *header, const char *code);
+static void	format_CMY(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_CMYK(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_K(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_KCMYcm(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_KCMY(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+#define		format_RGB format_CMY
+static void	format_RGBA(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_W(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_YMC(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	format_YMCK(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1);
+static void	make_lut(ib_t *, int, float, float);
+
+
+/*
+ * 'main()' - Main entry...
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  image_t	*img;		/* Image to print */
+  float		xprint,		/* Printable area */
+		yprint,
+		xinches,	/* Total size in inches */
+		yinches;
+  float		xsize,		/* Total size in points */
+		ysize,
+		xsize2,
+		ysize2;
+  float		aspect;		/* Aspect ratio */
+  int		xpages,		/* # x pages */
+		ypages,		/* # y pages */
+		xpage,		/* Current x page */
+		ypage,		/* Current y page */
+		xtemp,		/* Bitmap width in pixels */
+		ytemp,		/* Bitmap height in pixels */
+		page;		/* Current page number */
+  int		x0, y0,		/* Corners of the page in image coords */
+		x1, y1;
+  ppd_file_t	*ppd;		/* PPD file */
+  ppd_choice_t	*choice,	/* PPD option choice */
+		**choices;	/* List of marked choices */
+  int		count;		/* Number of marked choices */
+  char		*resolution,	/* Output resolution */
+		*media_type;	/* Media type */
+  ppd_profile_t	*profile;	/* Color profile */
+  ppd_profile_t	userprofile;	/* User-specified profile */
+  cups_raster_t	*ras;		/* Raster stream */
+  cups_page_header_t header;	/* Page header */
+  int		num_options;	/* Number of print options */
+  cups_option_t	*options;	/* Print options */
+  const char	*val;		/* Option value */
+  int		slowcollate,	/* Collate copies the slow way */
+		slowcopies;	/* Make copies the "slow" way? */
+  float		g;		/* Gamma correction value */
+  float		b;		/* Brightness factor */
+  float		zoom;		/* Zoom facter */
+  int		xppi, yppi;	/* Pixels-per-inch */
+  int		hue, sat;	/* Hue and saturation adjustment */
+  izoom_t	*z;		/* ImageZoom buffer */
+  int		primary,	/* Primary image colorspace */
+		secondary;	/* Secondary image colorspace */
+  ib_t		*row,		/* Current row */
+		*r0,		/* Top row */
+		*r1;		/* Bottom row */
+  int		y,		/* Current Y coordinate on page */
+		iy,		/* Current Y coordinate in image */
+		last_iy,	/* Previous Y coordinate in image */
+		yerr0,		/* Top Y error value */
+		yerr1,		/* Bottom Y error value */
+		blank;		/* Blank value */
+  ib_t		lut[256];	/* Gamma/brightness LUT */
+  int		plane,		/* Current color plane */
+		num_planes;	/* Number of color planes */
+  char		filename[1024];	/* Name of file to print */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+    fputs("ERROR: imagetoraster job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+  fprintf(stderr, "INFO: %s %s %s %s %s %s %s\n", argv[0], argv[1], argv[2],
+          argv[3], argv[4], argv[5], argv[6] ? argv[6] : "(null)");
+
+ /*
+  * See if we need to use the imagetops and pstoraster filters instead...
+  */
+
+  options     = NULL;
+  num_options = cupsParseOptions(argv[5], 0, &options);
+
+  if (getenv("CLASSIFICATION") ||
+      cupsGetOption("page-label", num_options, options))
+  {
+   /*
+    * Yes, fork a copy of pstoraster and then transfer control to imagetops...
+    */
+
+    int	mypipes[2];		/* New pipes for imagetops | pstoraster */
+    int	pid;			/* PID of pstoraster */
+
+
+    cupsFreeOptions(num_options, options);
+
+    if (pipe(mypipes))
+    {
+      perror("ERROR: Unable to create pipes for imagetops | pstoraster");
+      return (errno);
+    }
+
+    if ((pid = fork()) == 0)
+    {
+     /*
+      * Child process for pstoraster...  Assign new pipe input to pstoraster...
+      */
+
+      close(0);
+      dup(mypipes[0]);
+      close(mypipes[0]);
+      close(mypipes[1]);
+
+      execlp("pstoraster", argv[0], argv[1], argv[2], argv[3], argv[4], argv[5],
+             NULL);
+      perror("ERROR: Unable to exec pstoraster");
+      return (errno);
+    }
+    else if (pid < 0)
+    {
+     /*
+      * Error!
+      */
+
+      perror("ERROR: Unable to fork pstoraster");
+      return (errno);
+    }
+
+   /*
+    * Update stdout so it points at the new pstoraster...
+    */
+
+    close(1);
+    dup(mypipes[1]);
+    close(mypipes[0]);
+    close(mypipes[1]);
+
+   /*
+    * Run imagetops to get the classification or page labelling that was
+    * requested...
+    */
+
+    execlp("imagetops", argv[0], argv[1], argv[2], argv[3], argv[4], argv[5],
+           argv[6], NULL);
+    perror("ERROR: Unable to exec imagetops");
+    return (errno);
+  }
+
+ /*
+  * Copy stdin as needed...
+  */
+
+  if (argc == 6)
+  {
+    int		fd;		/* File to write to */
+    char	buffer[8192];	/* Buffer to read into */
+    int		bytes;		/* # of bytes to read */
+
+
+    if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
+    {
+      perror("ERROR: Unable to copy image file");
+      return (1);
+    }
+
+    fprintf(stderr, "DEBUG: imagetoraster - copying to temp print file \"%s\"\n",
+            filename);
+
+    while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
+      write(fd, buffer, bytes);
+
+    close(fd);
+  }
+  else
+  {
+    strncpy(filename, argv[6], sizeof(filename) - 1);
+    filename[sizeof(filename) - 1] = '\0';
+  }
+
+ /*
+  * Process command-line options and write the prolog...
+  */
+
+  zoom = 0.0;
+  xppi = 0;
+  yppi = 0;
+  hue  = 0;
+  sat  = 100;
+  g    = 1.0;
+  b    = 1.0;
+
+  Copies = atoi(argv[4]);
+
+  ppd = SetCommonOptions(num_options, options, 0);
+
+  if ((val = cupsGetOption("multiple-document-handling", num_options, options)) != NULL)
+  {
+   /*
+    * This IPP attribute is unnecessarily complicated...
+    *
+    *   single-document, separate-documents-collated-copies, and
+    *   single-document-new-sheet all require collated copies.
+    *
+    *   separate-documents-collated-copies allows for uncollated copies.
+    */
+
+    Collate = strcasecmp(val, "separate-documents-collated-copies") != 0;
+  }
+
+  if ((val = cupsGetOption("Collate", num_options, options)) != NULL &&
+      strcasecmp(val, "True") == 0)
+    Collate = 1;
+
+  if ((val = cupsGetOption("gamma", num_options, options)) != NULL)
+    g = atoi(val) * 0.001f;
+
+  if ((val = cupsGetOption("brightness", num_options, options)) != NULL)
+    b = atoi(val) * 0.01f;
+
+  if ((val = cupsGetOption("scaling", num_options, options)) != NULL)
+    zoom = atoi(val) * 0.01;
+
+  if ((val = cupsGetOption("ppi", num_options, options)) != NULL)
+    if (sscanf(val, "%dx%d", &xppi, &yppi) < 2)
+      yppi = xppi;
+
+  if ((val = cupsGetOption("position", num_options, options)) != NULL)
+  {
+    if (strcasecmp(val, "center") == 0)
+    {
+      XPosition = 0;
+      YPosition = 0;
+    }
+    else if (strcasecmp(val, "top") == 0)
+    {
+      XPosition = 0;
+      YPosition = 1;
+    }
+    else if (strcasecmp(val, "left") == 0)
+    {
+      XPosition = -1;
+      YPosition = 0;
+    }
+    else if (strcasecmp(val, "right") == 0)
+    {
+      XPosition = 1;
+      YPosition = 0;
+    }
+    else if (strcasecmp(val, "top-left") == 0)
+    {
+      XPosition = -1;
+      YPosition = 1;
+    }
+    else if (strcasecmp(val, "top-right") == 0)
+    {
+      XPosition = 1;
+      YPosition = 1;
+    }
+    else if (strcasecmp(val, "bottom") == 0)
+    {
+      XPosition = 0;
+      YPosition = -1;
+    }
+    else if (strcasecmp(val, "bottom-left") == 0)
+    {
+      XPosition = -1;
+      YPosition = -1;
+    }
+    else if (strcasecmp(val, "bottom-right") == 0)
+    {
+      XPosition = 1;
+      YPosition = -1;
+    }
+  }
+
+  if ((val = cupsGetOption("saturation", num_options, options)) != NULL)
+    sat = atoi(val);
+
+  if ((val = cupsGetOption("hue", num_options, options)) != NULL)
+    hue = atoi(val);
+
+ /*
+  * Set the needed options in the page header...
+  */
+
+  memset(&header, 0, sizeof(header));
+  header.HWResolution[0]  = 100;
+  header.HWResolution[1]  = 100;
+  header.cupsBitsPerColor = 1;
+  header.cupsColorOrder   = CUPS_ORDER_CHUNKED;
+  header.cupsColorSpace   = CUPS_CSPACE_K;
+
+  if (ppd && ppd->patches)
+    exec_code(&header, ppd->patches);
+
+  if ((count = ppdCollect(ppd, PPD_ORDER_DOCUMENT, &choices)) > 0)
+    for (i = 0; i < count; i ++)
+      exec_code(&header, choices[i]->code);
+
+  if ((count = ppdCollect(ppd, PPD_ORDER_ANY, &choices)) > 0)
+    for (i = 0; i < count; i ++)
+      exec_code(&header, choices[i]->code);
+
+  if ((count = ppdCollect(ppd, PPD_ORDER_PROLOG, &choices)) > 0)
+    for (i = 0; i < count; i ++)
+      exec_code(&header, choices[i]->code);
+
+  if ((count = ppdCollect(ppd, PPD_ORDER_PAGE, &choices)) > 0)
+    for (i = 0; i < count; i ++)
+      exec_code(&header, choices[i]->code);
+
+ /*
+  * Get the media type and resolution that have been chosen...
+  */
+
+  if ((choice = ppdFindMarkedChoice(ppd, "MediaType")) != NULL)
+    media_type = choice->choice;
+  else
+    media_type = "";
+
+  if ((choice = ppdFindMarkedChoice(ppd, "Resolution")) != NULL)
+    resolution = choice->choice;
+  else
+    resolution = "";
+
+ /*
+  * Choose the appropriate colorspace...
+  */
+
+  switch (header.cupsColorSpace)
+  {
+    case CUPS_CSPACE_W :
+        primary   = IMAGE_WHITE;
+	secondary = IMAGE_WHITE;
+        header.cupsBitsPerPixel = header.cupsBitsPerColor;
+	break;
+
+    case CUPS_CSPACE_RGB :
+    case CUPS_CSPACE_RGBA :
+        primary   = IMAGE_RGB;
+	secondary = IMAGE_RGB;
+
+	if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
+	{
+	  if (header.cupsBitsPerColor >= 8)
+            header.cupsBitsPerPixel = header.cupsBitsPerColor * 3;
+	  else
+            header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
+	}
+	else
+	  header.cupsBitsPerPixel = header.cupsBitsPerColor;
+	break;
+
+    case CUPS_CSPACE_K :
+    case CUPS_CSPACE_WHITE :
+    case CUPS_CSPACE_GOLD :
+    case CUPS_CSPACE_SILVER :
+        primary   = IMAGE_BLACK;
+	secondary = IMAGE_BLACK;
+        header.cupsBitsPerPixel = header.cupsBitsPerColor;
+	break;
+
+    default :
+        primary   = IMAGE_CMYK;
+	secondary = IMAGE_CMYK;
+
+	if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
+          header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
+	else
+	  header.cupsBitsPerPixel = header.cupsBitsPerColor;
+	break;
+
+    case CUPS_CSPACE_CMY :
+    case CUPS_CSPACE_YMC :
+        primary   = IMAGE_CMY;
+	secondary = IMAGE_CMY;
+
+	if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
+	{
+	  if (header.cupsBitsPerColor >= 8)
+            header.cupsBitsPerPixel = 24;
+	  else
+            header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
+	}
+	else
+	  header.cupsBitsPerPixel = header.cupsBitsPerColor;
+	break;
+
+    case CUPS_CSPACE_KCMYcm :
+	if (header.cupsBitsPerPixel == 1)
+	{
+          primary   = IMAGE_CMY;
+	  secondary = IMAGE_CMY;
+
+	  if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
+	    header.cupsBitsPerPixel = 8;
+	  else
+	    header.cupsBitsPerPixel = 1;
+	}
+	else
+	{
+          primary   = IMAGE_CMYK;
+	  secondary = IMAGE_CMYK;
+
+	  if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
+	    header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
+	  else
+	    header.cupsBitsPerPixel = header.cupsBitsPerColor;
+	}
+	break;
+  }
+
+ /*
+  * Find a color profile matching the current options...
+  */
+
+  if ((val = cupsGetOption("profile", num_options, options)) != NULL)
+  {
+    profile = &userprofile;
+    sscanf(val, "%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f",
+           &(userprofile.density), &(userprofile.gamma),
+	   userprofile.matrix[0] + 0, userprofile.matrix[0] + 1,
+	   userprofile.matrix[0] + 2,
+	   userprofile.matrix[1] + 0, userprofile.matrix[1] + 1,
+	   userprofile.matrix[1] + 2,
+	   userprofile.matrix[2] + 0, userprofile.matrix[2] + 1,
+	   userprofile.matrix[2] + 2);
+
+    userprofile.density      *= 0.001f;
+    userprofile.gamma        *= 0.001f;
+    userprofile.matrix[0][0] *= 0.001f;
+    userprofile.matrix[0][1] *= 0.001f;
+    userprofile.matrix[0][2] *= 0.001f;
+    userprofile.matrix[1][0] *= 0.001f;
+    userprofile.matrix[1][1] *= 0.001f;
+    userprofile.matrix[1][2] *= 0.001f;
+    userprofile.matrix[2][0] *= 0.001f;
+    userprofile.matrix[2][1] *= 0.001f;
+    userprofile.matrix[2][2] *= 0.001f;
+  }
+  else if (ppd != NULL)
+  {
+    fprintf(stderr, "DEBUG: Searching for profile \"%s/%s\"...\n",
+            resolution, media_type);
+
+    for (i = 0, profile = ppd->profiles; i < ppd->num_profiles; i ++, profile ++)
+    {
+      fprintf(stderr, "DEBUG: \"%s/%s\" = ", profile->resolution,
+              profile->media_type);
+
+      if ((strcmp(profile->resolution, resolution) == 0 ||
+           profile->resolution[0] == '-') &&
+          (strcmp(profile->media_type, media_type) == 0 ||
+           profile->media_type[0] == '-'))
+      {
+        fputs("MATCH!\n", stderr);
+	break;
+      }
+      else
+        fputs("no.\n", stderr);
+    }
+
+   /*
+    * If we found a color profile, use it!
+    */
+
+    if (i >= ppd->num_profiles)
+      profile = NULL;
+  }
+  else
+    profile = NULL;
+
+  if (profile)
+    ImageSetProfile(profile->density, profile->gamma, profile->matrix);
+
+ /*
+  * Create a gamma/brightness LUT...
+  */
+
+  make_lut(lut, primary, g, b);
+
+ /*
+  * Open the input image to print...
+  */
+
+  fputs("INFO: Loading image file...\n", stderr);
+
+  img = ImageOpen(filename, primary, secondary, sat, hue, lut);
+
+  if (argc == 6)
+    unlink(filename);
+
+  if (img == NULL)
+  {
+    fputs("ERROR: Unable to open image file for printing!\n", stderr);
+    ppdClose(ppd);
+    return (1);
+  }
+
+ /*
+  * Scale as necessary...
+  */
+
+  if (zoom == 0.0 && xppi == 0)
+  {
+    xppi = img->xppi;
+    yppi = img->yppi;
+  }
+
+  if (yppi == 0)
+    yppi = xppi;
+
+  if (xppi > 0)
+  {
+   /*
+    * Scale the image as neccesary to match the desired pixels-per-inch.
+    */
+    
+    if (Orientation & 1)
+    {
+      xprint = (PageTop - PageBottom) / 72.0;
+      yprint = (PageRight - PageLeft) / 72.0;
+    }
+    else
+    {
+      xprint = (PageRight - PageLeft) / 72.0;
+      yprint = (PageTop - PageBottom) / 72.0;
+    }
+
+    xinches = (float)img->xsize / (float)xppi;
+    yinches = (float)img->ysize / (float)yppi;
+
+    if ((val = cupsGetOption("natural-scaling", num_options, options)) != NULL)
+    {
+      xinches = xinches * atoi(val) / 100;
+      yinches = yinches * atoi(val) / 100;
+    }
+
+    if (cupsGetOption("orientation", num_options, options) == NULL &&
+        cupsGetOption("landscape", num_options, options) == NULL)
+    {
+     /*
+      * Rotate the image if it will fit landscape but not portrait...
+      */
+
+      if ((xinches > xprint || yinches > yprint) &&
+          xinches <= yprint && yinches <= xprint)
+      {
+       /*
+	* Rotate the image as needed...
+	*/
+
+	Orientation = (Orientation + 1) & 3;
+	xsize       = yprint;
+	yprint      = xprint;
+	xprint      = xsize;
+      }
+    }
+  }
+  else
+  {
+   /*
+    * Scale percentage of page size...
+    */
+
+    xprint = (PageRight - PageLeft) / 72.0;
+    yprint = (PageTop - PageBottom) / 72.0;
+    aspect = (float)img->yppi / (float)img->xppi;
+
+    fprintf(stderr, "DEBUG: img->xppi = %d, img->yppi = %d, aspect = %f\n",
+            img->xppi, img->yppi, aspect);
+
+    xsize = xprint * zoom;
+    ysize = xsize * img->ysize / img->xsize / aspect;
+
+    if (ysize > (yprint * zoom))
+    {
+      ysize = yprint * zoom;
+      xsize = ysize * img->xsize * aspect / img->ysize;
+    }
+
+    xsize2 = yprint * zoom;
+    ysize2 = xsize2 * img->ysize / img->xsize / aspect;
+
+    if (ysize2 > (xprint * zoom))
+    {
+      ysize2 = xprint * zoom;
+      xsize2 = ysize2 * img->xsize * aspect / img->ysize;
+    }
+
+    fprintf(stderr, "DEBUG: xsize = %.0f, ysize = %.0f\n", xsize, ysize);
+    fprintf(stderr, "DEBUG: xsize2 = %.0f, ysize2 = %.0f\n", xsize2, ysize2);
+
+    if (cupsGetOption("orientation", num_options, options) == NULL &&
+        cupsGetOption("landscape", num_options, options) == NULL)
+    {
+     /*
+      * Choose the rotation with the largest area, but prefer
+      * portrait if they are equal...
+      */
+
+      if ((xsize * ysize) < (xsize2 * xsize2))
+      {
+       /*
+	* Do landscape orientation...
+	*/
+
+	Orientation = 1;
+	xinches     = xsize2;
+	yinches     = ysize2;
+	xprint      = (PageTop - PageBottom) / 72.0;
+	yprint      = (PageRight - PageLeft) / 72.0;
+      }
+      else
+      {
+       /*
+	* Do portrait orientation...
+	*/
+
+	Orientation = 0;
+	xinches     = xsize;
+	yinches     = ysize;
+      }
+    }
+    else if (Orientation & 1)
+    {
+      xinches     = xsize2;
+      yinches     = ysize2;
+      xprint      = (PageTop - PageBottom) / 72.0;
+      yprint      = (PageRight - PageLeft) / 72.0;
+
+      xsize       = PageLeft;
+      PageLeft    = PageBottom;
+      PageBottom  = PageWidth - PageRight;
+      PageRight   = PageTop;
+      PageTop     = PageLength - xsize;
+
+      xsize       = PageWidth;
+      PageWidth   = PageLength;
+      PageLength  = xsize;
+    }
+    else
+    {
+      xinches     = xsize;
+      yinches     = ysize;
+      xprint      = (PageRight - PageLeft) / 72.0;
+      yprint      = (PageTop - PageBottom) / 72.0;
+    }
+  }
+
+  xpages = ceil(xinches / xprint);
+  ypages = ceil(yinches / yprint);
+
+  fprintf(stderr, "DEBUG: xpages = %d, ypages = %d\n", xpages, ypages);
+
+ /*
+  * Compute the bitmap size...
+  */
+
+  xprint = xinches / xpages;
+  yprint = yinches / ypages;
+
+  if ((choice = ppdFindMarkedChoice(ppd, "PageSize")) != NULL &&
+      strcasecmp(choice->choice, "Custom") == 0)
+  {
+    float	width,		/* New width in points */
+		length;		/* New length in points */
+
+
+    if (Orientation & 1)
+    {
+      width  = yprint * 72.0;
+      length = xprint * 72.0;
+    }
+    else
+    {
+      width  = xprint * 72.0;
+      length = yprint * 72.0;
+    }
+
+   /*
+    * Add margins to page size...
+    */
+
+    width  += ppd->custom_margins[0] + ppd->custom_margins[2];
+    length += ppd->custom_margins[1] + ppd->custom_margins[3];
+
+   /*
+    * Enforce minimums...
+    */
+
+    if (width < ppd->custom_min[0])
+      width = ppd->custom_min[0];
+
+    if (length < ppd->custom_min[1])
+      length = ppd->custom_min[1];
+
+   /*
+    * Set the new custom size...
+    */
+
+    header.PageSize[0] = width + 0.5;
+    header.PageSize[1] = length + 0.5;
+
+   /*
+    * Update page variables...
+    */
+
+    PageWidth  = width;
+    PageLength = length;
+    PageLeft   = ppd->custom_margins[0];
+    PageRight  = width - ppd->custom_margins[2];
+    PageBottom = ppd->custom_margins[1];
+    PageTop    = length - ppd->custom_margins[3];
+
+   /*
+    * Remove margins from page size...
+    */
+
+    width  -= ppd->custom_margins[0] + ppd->custom_margins[2];
+    length -= ppd->custom_margins[1] + ppd->custom_margins[3];
+
+   /*
+    * Set the bitmap size...
+    */
+
+    header.cupsWidth  = width * header.HWResolution[0] / 72.0;
+    header.cupsHeight = length * header.HWResolution[1] / 72.0;
+  }
+  else
+  {
+    header.cupsWidth   = (PageRight - PageLeft) * header.HWResolution[0] / 72.0;
+    header.cupsHeight  = (PageTop - PageBottom) * header.HWResolution[1] / 72.0;
+    header.PageSize[0] = PageWidth;
+    header.PageSize[1] = PageLength;
+  }
+
+  header.Margins[0] = PageLeft;
+  header.Margins[1] = PageBottom;
+
+  fprintf(stderr, "DEBUG: PageSize = [%d %d]\n", header.PageSize[0],
+          header.PageSize[1]);
+
+  switch (Orientation)
+  {
+    case 0 :
+	switch (XPosition)
+	{
+	  case -1 :
+              header.ImagingBoundingBox[0] = PageLeft;
+	      header.ImagingBoundingBox[2] = PageLeft + xprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[0] = (PageRight + PageLeft - xprint * 72) / 2;
+	      header.ImagingBoundingBox[2] = (PageRight + PageLeft + xprint * 72) / 2;
+	      break;
+	  case 1 :
+              header.ImagingBoundingBox[0] = PageRight - xprint * 72;
+	      header.ImagingBoundingBox[2] = PageRight;
+	      break;
+	}
+
+	switch (YPosition)
+	{
+	  case -1 :
+              header.ImagingBoundingBox[1] = PageBottom;
+	      header.ImagingBoundingBox[3] = PageBottom + yprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[1] = (PageTop + PageBottom - yprint * 72) / 2;
+	      header.ImagingBoundingBox[3] = (PageTop + PageBottom + yprint * 72) / 2;
+	      break;
+	  case 1 :
+              header.ImagingBoundingBox[1] = PageTop - yprint * 72;
+	      header.ImagingBoundingBox[3] = PageTop;
+	      break;
+	}
+	break;
+
+    case 1 :
+	switch (XPosition)
+	{
+	  case -1 :
+              header.ImagingBoundingBox[0] = PageBottom;
+	      header.ImagingBoundingBox[2] = PageBottom + yprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[0] = (PageTop + PageBottom - yprint * 72) / 2;
+	      header.ImagingBoundingBox[2] = (PageTop + PageBottom + yprint * 72) / 2;
+	      break;
+	  case 1 :
+              header.ImagingBoundingBox[0] = PageTop - yprint * 72;
+	      header.ImagingBoundingBox[2] = PageTop;
+	      break;
+	}
+
+	switch (YPosition)
+	{
+	  case -1 :
+              header.ImagingBoundingBox[1] = PageLeft;
+	      header.ImagingBoundingBox[3] = PageLeft + xprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[1] = (PageRight + PageLeft - xprint * 72) / 2;
+	      header.ImagingBoundingBox[3] = (PageRight + PageLeft + xprint * 72) / 2;
+	      break;
+	  case 1 :
+              header.ImagingBoundingBox[1] = PageRight - xprint * 72;
+	      header.ImagingBoundingBox[3] = PageRight;
+	      break;
+	}
+	break;
+
+    case 2 :
+	switch (XPosition)
+	{
+	  case 1 :
+              header.ImagingBoundingBox[0] = PageLeft;
+	      header.ImagingBoundingBox[2] = PageLeft + xprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[0] = (PageRight + PageLeft - xprint * 72) / 2;
+	      header.ImagingBoundingBox[2] = (PageRight + PageLeft + xprint * 72) / 2;
+	      break;
+	  case -1 :
+              header.ImagingBoundingBox[0] = PageRight - xprint * 72;
+	      header.ImagingBoundingBox[2] = PageRight;
+	      break;
+	}
+
+	switch (YPosition)
+	{
+	  case 1 :
+              header.ImagingBoundingBox[1] = PageBottom;
+	      header.ImagingBoundingBox[3] = PageBottom + yprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[1] = (PageTop + PageBottom - yprint * 72) / 2;
+	      header.ImagingBoundingBox[3] = (PageTop + PageBottom + yprint * 72) / 2;
+	      break;
+	  case -1 :
+              header.ImagingBoundingBox[1] = PageTop - yprint * 72;
+	      header.ImagingBoundingBox[3] = PageTop;
+	      break;
+	}
+	break;
+
+    case 3 :
+	switch (XPosition)
+	{
+	  case 1 :
+              header.ImagingBoundingBox[0] = PageBottom;
+	      header.ImagingBoundingBox[2] = PageBottom + yprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[0] = (PageTop + PageBottom - yprint * 72) / 2;
+	      header.ImagingBoundingBox[2] = (PageTop + PageBottom + yprint * 72) / 2;
+	      break;
+	  case -1 :
+              header.ImagingBoundingBox[0] = PageTop - yprint * 72;
+	      header.ImagingBoundingBox[2] = PageTop;
+	      break;
+	}
+
+	switch (YPosition)
+	{
+	  case 1 :
+              header.ImagingBoundingBox[1] = PageLeft;
+	      header.ImagingBoundingBox[3] = PageLeft + xprint * 72;
+	      break;
+	  default :
+              header.ImagingBoundingBox[1] = (PageRight + PageLeft - xprint * 72) / 2;
+	      header.ImagingBoundingBox[3] = (PageRight + PageLeft + xprint * 72) / 2;
+	      break;
+	  case -1 :
+              header.ImagingBoundingBox[1] = PageRight - xprint * 72;
+	      header.ImagingBoundingBox[3] = PageRight;
+	      break;
+	}
+	break;
+  }
+
+  switch (header.cupsColorOrder)
+  {
+    default :
+        header.cupsBytesPerLine = (header.cupsBitsPerPixel *
+	                           header.cupsWidth + 7) / 8;
+        num_planes = 1;
+        break;
+
+    case CUPS_ORDER_BANDED :
+        if (header.cupsColorSpace == CUPS_CSPACE_KCMYcm &&
+	    header.cupsBitsPerColor > 1)
+          header.cupsBytesPerLine = (header.cupsBitsPerPixel *
+	                             header.cupsWidth + 7) / 8 * 4;
+        else
+          header.cupsBytesPerLine = (header.cupsBitsPerPixel *
+	                             header.cupsWidth + 7) / 8 *
+				    Planes[header.cupsColorSpace];
+        num_planes = 1;
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        header.cupsBytesPerLine = (header.cupsBitsPerPixel *
+	                           header.cupsWidth + 7) / 8;
+        num_planes = Planes[header.cupsColorSpace];
+        break;
+  }
+
+ /*
+  * See if we need to collate, and if so how we need to do it...
+  */
+
+  if (xpages == 1 && ypages == 1)
+    Collate = 0;
+
+  slowcollate = Collate && ppdFindOption(ppd, "Collate") == NULL;
+  if (ppd != NULL)
+    slowcopies = ppd->manual_copies;
+  else
+    slowcopies = 1;
+
+  if (Copies > 1 && !slowcollate && !slowcopies)
+  {
+    header.Collate   = (cups_bool_t)Collate;
+    header.NumCopies = Copies;
+
+    Copies = 1;
+  }
+  else
+    header.NumCopies = 1;
+
+ /*
+  * Create the dithering lookup tables...
+  */
+
+  OnPixels[0]    = 0x00;
+  OnPixels[255]  = 0xff;
+  OffPixels[0]   = 0x00;
+  OffPixels[255] = 0xff;
+
+  switch (header.cupsBitsPerColor)
+  {
+    case 2 :
+        for (i = 1; i < 255; i ++)
+        {
+          OnPixels[i]  = 0x55 * (i / 85 + 1);
+          OffPixels[i] = 0x55 * (i / 64);
+        }
+        break;
+    case 4 :
+        for (i = 1; i < 255; i ++)
+        {
+          OnPixels[i]  = 17 * (i / 17 + 1);
+          OffPixels[i] = 17 * (i / 16);
+        }
+
+	OnPixels[255] = OffPixels[255] = 0xff;
+        break;
+  }
+
+ /*
+  * Output the pages...
+  */
+
+  fprintf(stderr, "DEBUG: cupsWidth = %d\n", header.cupsWidth);
+  fprintf(stderr, "DEBUG: cupsHeight = %d\n", header.cupsHeight);
+  fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", header.cupsBitsPerColor);
+  fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", header.cupsBitsPerPixel);
+  fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", header.cupsBytesPerLine);
+  fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", header.cupsColorOrder);
+  fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header.cupsColorSpace);
+  fprintf(stderr, "DEBUG: img->colorspace = %d\n", img->colorspace);
+
+  row   = malloc(2 * header.cupsBytesPerLine);
+  ras   = cupsRasterOpen(1, CUPS_RASTER_WRITE);
+  blank = img->colorspace < 0 ? 0 : ~0;
+
+  for (i = 0, page = 1; i < Copies; i ++)
+    for (xpage = 0; xpage < xpages; xpage ++)
+      for (ypage = 0; ypage < ypages; ypage ++, page ++)
+      {
+        fprintf(stderr, "INFO: Formatting page %d...\n", page);
+
+	if (Orientation & 1)
+	{
+	  x0    = img->xsize * ypage / ypages;
+	  x1    = img->xsize * (ypage + 1) / ypages - 1;
+	  y0    = img->ysize * xpage / xpages;
+	  y1    = img->ysize * (xpage + 1) / xpages - 1;
+
+	  xtemp = header.HWResolution[0] * yprint;
+	  ytemp = header.HWResolution[1] * xprint;
+	}
+	else
+	{
+	  x0    = img->xsize * xpage / xpages;
+	  x1    = img->xsize * (xpage + 1) / xpages - 1;
+	  y0    = img->ysize * ypage / ypages;
+	  y1    = img->ysize * (ypage + 1) / ypages - 1;
+
+	  xtemp = header.HWResolution[0] * xprint;
+	  ytemp = header.HWResolution[1] * yprint;
+        }
+
+        cupsRasterWriteHeader(ras, &header);
+
+        for (plane = 0; plane < num_planes; plane ++)
+	{
+	 /*
+	  * Initialize the image "zoom" engine...
+	  */
+
+	  z = ImageZoomAlloc(img, x0, y0, x1, y1, xtemp, ytemp, Orientation & 1);
+
+         /*
+	  * Write leading blank space as needed...
+	  */
+
+          if (header.cupsHeight > z->ysize && YPosition <= 0)
+	  {
+	    memset(row, blank, header.cupsBytesPerLine);
+
+            y = header.cupsHeight - z->ysize;
+	    if (YPosition == 0)
+	      y /= 2;
+
+	    for (; y > 0; y --)
+	    {
+	      if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) <
+	              header.cupsBytesPerLine)
+	      {
+		fputs("ERROR: Unable to write raster data to driver!\n", stderr);
+		ImageClose(img);
+		exit(1);
+	      }
+            }
+	  }
+
+         /*
+	  * Then write image data...
+	  */
+
+	  for (y = z->ysize, yerr0 = 0, yerr1 = z->ysize, iy = 0, last_iy = -2;
+               y > 0;
+               y --)
+	  {
+	    if (iy != last_iy)
+	    {
+	      if (header.cupsBitsPerColor >= 8)
+	      {
+	       /*
+	        * Do bilinear interpolation for 8+ bpp images...
+		*/
+
+        	if ((iy - last_iy) > 1)
+        	  ImageZoomFill(z, iy);
+
+        	ImageZoomFill(z, iy + z->yincr);
+              }
+              else
+	      {
+	       /*
+	        * Just do nearest-neighbor sampling for < 8 bpp images...
+		*/
+
+        	ImageZoomQFill(z, iy);
+	      }
+
+              last_iy = iy;
+	    }
+
+           /*
+	    * Format this line of raster data for the printer...
+	    */
+
+    	    memset(row, blank, header.cupsBytesPerLine);
+
+            r0 = z->rows[z->row];
+            r1 = z->rows[1 - z->row];
+
+            switch (header.cupsColorSpace)
+	    {
+	      case CUPS_CSPACE_W :
+	          format_W(&header, row, y, plane, z->xsize, z->ysize,
+		           yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_RGB :
+	          format_RGB(&header, row, y, plane, z->xsize, z->ysize,
+		             yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_RGBA :
+	          format_RGBA(&header, row, y, plane, z->xsize, z->ysize,
+		              yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_K :
+	      case CUPS_CSPACE_WHITE :
+	      case CUPS_CSPACE_GOLD :
+	      case CUPS_CSPACE_SILVER :
+	          format_K(&header, row, y, plane, z->xsize, z->ysize,
+		           yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_CMY :
+	          format_CMY(&header, row, y, plane, z->xsize, z->ysize,
+		             yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_YMC :
+	          format_YMC(&header, row, y, plane, z->xsize, z->ysize,
+		             yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_CMYK :
+	          format_CMYK(&header, row, y, plane, z->xsize, z->ysize,
+		              yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_YMCK :
+	      case CUPS_CSPACE_GMCK :
+	      case CUPS_CSPACE_GMCS :
+	          format_YMCK(&header, row, y, plane, z->xsize, z->ysize,
+		              yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_KCMY :
+	          format_KCMY(&header, row, y, plane, z->xsize, z->ysize,
+		              yerr0, yerr1, r0, r1);
+		  break;
+	      case CUPS_CSPACE_KCMYcm :
+	          format_KCMYcm(&header, row, y, plane, z->xsize, z->ysize,
+		                yerr0, yerr1, r0, r1);
+		  break;
+	    }
+
+           /*
+	    * Write the raster data to the driver...
+	    */
+
+	    if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) <
+	                              header.cupsBytesPerLine)
+	    {
+              fputs("ERROR: Unable to write raster data to driver!\n", stderr);
+	      ImageClose(img);
+	      exit(1);
+	    }
+
+           /*
+	    * Compute the next scanline in the image...
+	    */
+
+	    iy    += z->ystep;
+	    yerr0 += z->ymod;
+	    yerr1 -= z->ymod;
+	    if (yerr1 <= 0)
+	    {
+              yerr0 -= z->ysize;
+              yerr1 += z->ysize;
+              iy    += z->yincr;
+	    }
+	  }
+
+         /*
+	  * Write trailing blank space as needed...
+	  */
+
+          if (header.cupsHeight > z->ysize && YPosition >= 0)
+	  {
+	    memset(row, blank, header.cupsBytesPerLine);
+
+            y = header.cupsHeight - z->ysize;
+	    if (YPosition == 0)
+	      y = y - y / 2;
+
+	    for (; y > 0; y --)
+	    {
+	      if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) <
+	              header.cupsBytesPerLine)
+	      {
+		fputs("ERROR: Unable to write raster data to driver!\n", stderr);
+		ImageClose(img);
+		exit(1);
+	      }
+            }
+	  }
+
+         /*
+	  * Free memory used for the "zoom" engine...
+	  */
+
+          ImageZoomFree(z);
+        }
+      }
+
+ /*
+  * Close files...
+  */
+
+  free(row);
+  cupsRasterClose(ras);
+  ImageClose(img);
+  ppdClose(ppd);
+
+  return (0);
+}
+
+
+/*
+ * 'exec_code()' - Execute PostScript setpagedevice commands as appropriate.
+ */
+
+static void
+exec_code(cups_page_header_t *header,	/* I - Page header */
+          const char         *code)	/* I - Option choice to execute */
+{
+  char	*ptr,				/* Pointer into name/value string */
+	name[255],			/* Name of pagedevice entry */
+	value[1024];			/* Value of pagedevice entry */
+
+
+  for (; *code != '\0';)
+  {
+   /*
+    * Search for the start of a dictionary name...
+    */
+
+    while (*code != '/' && *code != '\0')
+      code ++;
+
+    if (*code == '\0')
+      break;
+
+   /*
+    * Get the name...
+    */
+
+    code ++;
+    for (ptr = name; isalnum(*code) && (ptr - name) < (sizeof(name) - 1);)
+      *ptr++ = *code++;
+    *ptr = '\0';
+
+   /*
+    * The parse the value as needed...
+    */
+
+    while (isspace(*code))
+      code ++;
+
+    if (*code == '\0')
+      break;
+
+    if (*code == '[')
+    {
+     /*
+      * Read array of values...
+      */
+
+      code ++;
+      for (ptr = value;
+           *code != ']' && *code != '\0' &&
+	       (ptr - value) < (sizeof(value) - 1);)
+	*ptr++ = *code++;
+      *ptr = '\0';
+    }
+    else if (*code == '(')
+    {
+     /*
+      * Read string value...
+      */
+
+      code ++;
+      for (ptr = value;
+           *code != ')' && *code != '\0' &&
+	       (ptr - value) < (sizeof(value) - 1);)
+        if (*code == '\\')
+	{
+	  code ++;
+	  if (isdigit(*code))
+	    *ptr++ = (char)strtol(code, (char **)&code, 8);
+          else
+	    *ptr++ = *code++;
+	}
+	else
+          *ptr++ = *code++;
+
+      *ptr = '\0';
+    }
+    else if (isdigit(*code) || *code == '-')
+    {
+     /*
+      * Read single number...
+      */
+
+      for (ptr = value;
+           (isdigit(*code) || *code == '-') &&
+	       (ptr - value) < (sizeof(value) - 1);)
+	*ptr++ = *code++;
+      *ptr = '\0';
+    }
+    else
+      continue;
+
+   /*
+    * Assign the value as needed...
+    */
+
+    if (strcmp(name, "cupsMediaType") == 0)
+      header->cupsMediaType = atoi(value);
+    else if (strcmp(name, "cupsBitsPerColor") == 0)
+      header->cupsBitsPerColor = atoi(value);
+    else if (strcmp(name, "cupsColorOrder") == 0)
+      header->cupsColorOrder = (cups_order_t)atoi(value);
+    else if (strcmp(name, "cupsColorSpace") == 0)
+      header->cupsColorSpace = (cups_cspace_t)atoi(value);
+    else if (strcmp(name, "cupsCompression") == 0)
+      header->cupsCompression = atoi(value);
+    else if (strcmp(name, "cupsRowCount") == 0)
+      header->cupsRowCount = atoi(value);
+    else if (strcmp(name, "cupsRowFeed") == 0)
+      header->cupsRowFeed = atoi(value);
+    else if (strcmp(name, "cupsRowStep") == 0)
+      header->cupsRowStep = atoi(value);
+    else if (strcmp(name, "CutMedia") == 0)
+      header->CutMedia = (cups_cut_t)atoi(value);
+    else if (strcmp(name, "HWResolution") == 0)
+      sscanf(value, "%d%d", header->HWResolution + 0, header->HWResolution + 1);
+    else if (strcmp(name, "cupsMediaPosition") == 0 || /* Compatibility */
+             strcmp(name, "MediaPosition") == 0)
+      header->MediaPosition = atoi(value);
+    else if (strcmp(name, "MediaClass") == 0)
+      strncpy(header->MediaClass, value, sizeof(header->MediaClass) - 1);
+    else if (strcmp(name, "MediaColor") == 0)
+      strncpy(header->MediaColor, value, sizeof(header->MediaColor) - 1);
+    else if (strcmp(name, "MediaType") == 0)
+      strncpy(header->MediaType, value, sizeof(header->MediaType) - 1);
+    else if (strcmp(name, "OutputType") == 0)
+      strncpy(header->OutputType, value, sizeof(header->OutputType) - 1);
+  }
+}
+
+
+/*
+ * 'format_CMY()' - Convert image data to CMY.
+ */
+
+static void
+format_CMY(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 3;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 64 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --)
+              {
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 2;
+		else
+        	{
+        	  bitmask = 64;
+        	  ptr ++;
+        	}
+              }
+              break;
+
+          case 2 :
+	      dither = Floyd8x8[y & 7];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+	       	if ((r0[0] & 63) > dither[x & 7])
+        	  *ptr ^= (0x30 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0x30 & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 63) > dither[x & 7])
+        	  *ptr ^= (0x0c & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0x0c & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 63) > dither[x & 7])
+        	  *ptr++ ^= (0x03 & OnPixels[r0[2]]);
+        	else
+        	  *ptr++ ^= (0x03 & OffPixels[r0[2]]);
+              }
+              break;
+
+          case 4 :
+	      dither = Floyd4x4[y & 3];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+        	if ((r0[0] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[0]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[2]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[2]]);
+              }
+              break;
+
+          case 8 :
+              for (x = xsize  * 3; x > 0; x --, r0 ++, r1 ++)
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	cptr = ptr;
+	mptr = ptr + bandwidth;
+	yptr = ptr + 2 * bandwidth;
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if (*r0++ > dither[x & 15])
+        	  *cptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *mptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *yptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              switch (z)
+	      {
+	        case 0 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[0] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 1 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[1] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 2 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[2] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+              r0 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+              r0 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              r0 += z;
+	      r1 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_CMYK()' - Convert image data to CMYK.
+ */
+
+static void
+format_CMYK(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		*kptr,		/* Pointer into black */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 4;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 128 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --)
+              {
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+        	{
+        	  bitmask = 128;
+        	  ptr ++;
+        	}
+              }
+              break;
+
+          case 2 :
+	      dither = Floyd8x8[y & 7];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+	       	if ((r0[0] & 63) > dither[x & 7])
+        	  *ptr ^= (0xc0 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0xc0 & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 63) > dither[x & 7])
+        	  *ptr ^= (0x30 & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0x30 & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 63) > dither[x & 7])
+        	  *ptr ^= (0x0c & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0x0c & OffPixels[r0[2]]);
+
+        	if ((r0[3] & 63) > dither[x & 7])
+        	  *ptr++ ^= (0x03 & OnPixels[r0[3]]);
+        	else
+        	  *ptr++ ^= (0x03 & OffPixels[r0[3]]);
+              }
+              break;
+
+          case 4 :
+	      dither = Floyd4x4[y & 3];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+        	if ((r0[0] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[1]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[2]]);
+
+        	if ((r0[3] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[3]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[3]]);
+              }
+              break;
+
+          case 8 :
+              for (x = xsize  * 4; x > 0; x --, r0 ++, r1 ++)
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	cptr = ptr;
+	mptr = ptr + bandwidth;
+	yptr = ptr + 2 * bandwidth;
+	kptr = ptr + 3 * bandwidth;
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if (*r0++ > dither[x & 15])
+        	  *cptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *mptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *yptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *kptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *kptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *kptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *kptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *kptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+        	if (r0[3] == r1[3])
+                  *kptr++ = r0[3];
+        	else
+                  *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+              r0      += z;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if (*r0 > dither[x & 15])
+        	  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  ptr ++;
+        	}
+	      }
+	      break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+              r0      += z;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+              r0 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              r0 += z;
+	      r1 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_K()' - Convert image data to black.
+ */
+
+static void
+format_K(cups_page_header_t *header,	/* I - Page header */
+         unsigned char      *row,	/* IO - Bitmap data for device */
+	 int                y,		/* I - Current row */
+	 int                z,		/* I - Current plane */
+	 int                xsize,	/* I - Width of image data */
+	 int	            ysize,	/* I - Height of image data */
+	 int                yerr0,	/* I - Top Y error */
+	 int                yerr1,	/* I - Bottom Y error */
+	 ib_t               *r0,	/* I - Primary image data */
+	 ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  (void)z;
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr = row + bitoffset / 8;
+
+  switch (header->cupsBitsPerColor)
+  {
+    case 1 :
+        bitmask = 0x80 >> (bitoffset & 7);
+        dither  = Floyd16x16[y & 15];
+
+        for (x = xsize; x > 0; x --)
+        {
+          if (*r0++ > dither[x & 15])
+            *ptr ^= bitmask;
+
+          if (bitmask > 1)
+	    bitmask >>= 1;
+	  else
+	  {
+	    bitmask = 0x80;
+	    ptr ++;
+          }
+	}
+        break;
+
+    case 2 :
+        bitmask = 0xc0 >> (bitoffset & 7);
+        dither  = Floyd8x8[y & 7];
+
+        for (x = xsize; x > 0; x --)
+        {
+          if ((*r0 & 63) > dither[x & 7])
+            *ptr ^= (bitmask & OnPixels[*r0++]);
+          else
+            *ptr ^= (bitmask & OffPixels[*r0++]);
+
+          if (bitmask > 3)
+	    bitmask >>= 2;
+	  else
+	  {
+	    bitmask = 0xc0;
+
+	    ptr ++;
+          }
+	}
+        break;
+
+    case 4 :
+        bitmask = 0xf0 >> (bitoffset & 7);
+        dither  = Floyd4x4[y & 3];
+
+        for (x = xsize; x > 0; x --)
+        {
+          if ((*r0 & 15) > dither[x & 3])
+            *ptr ^= (bitmask & OnPixels[*r0++]);
+          else
+            *ptr ^= (bitmask & OffPixels[*r0++]);
+
+          if (bitmask == 0xf0)
+	    bitmask = 0x0f;
+	  else
+	  {
+	    bitmask = 0xf0;
+
+	    ptr ++;
+          }
+	}
+        break;
+
+    case 8 :
+        for (x = xsize; x > 0; x --, r0 ++, r1 ++)
+	{
+          if (*r0 == *r1)
+            *ptr++ = *r0;
+          else
+            *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_KCMY()' - Convert image data to KCMY.
+ */
+
+static void
+format_KCMY(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		*kptr,		/* Pointer into black */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 4;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 128 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+	        if (r0[3] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[0] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[1] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[2] > dither[x & 15])
+		  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+        	{
+        	  bitmask = 128;
+        	  ptr ++;
+        	}
+              }
+              break;
+
+          case 2 :
+              dither = Floyd8x8[y & 7];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+	       	if ((r0[3] & 63) > dither[x & 7])
+        	  *ptr ^= (0xc0 & OnPixels[r0[3]]);
+        	else
+        	  *ptr ^= (0xc0 & OffPixels[r0[3]]);
+
+        	if ((r0[0] & 63) > dither[x & 7])
+        	  *ptr ^= (0x30 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0x30 & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 63) > dither[x & 7])
+        	  *ptr ^= (0x0c & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0x0c & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 63) > dither[x & 7])
+        	  *ptr++ ^= (0x03 & OnPixels[r0[2]]);
+        	else
+        	  *ptr++ ^= (0x03 & OffPixels[r0[2]]);
+              }
+              break;
+
+          case 4 :
+              dither = Floyd4x4[y & 3];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+        	if ((r0[3] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[3]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[3]]);
+
+        	if ((r0[0] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[0]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[2]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[2]]);
+              }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[3] == r1[3])
+                  *ptr++ = r0[3];
+        	else
+                  *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+
+        	if (r0[0] == r1[0])
+                  *ptr++ = r0[0];
+        	else
+                  *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *ptr++ = r0[1];
+        	else
+                  *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *ptr++ = r0[2];
+        	else
+                  *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	kptr = ptr;
+	cptr = ptr + bandwidth;
+	mptr = ptr + 2 * bandwidth;
+	yptr = ptr + 3 * bandwidth;
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if (*r0++ > dither[x & 15])
+        	  *cptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *mptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *yptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *kptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+              dither  = Floyd8x8[y & 7];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *kptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *kptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+              dither  = Floyd4x4[y & 3];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *kptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *kptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+        	if (r0[3] == r1[3])
+                  *kptr++ = r0[3];
+        	else
+                  *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+	      if (z == 0)
+	        r0 += 3;
+	      else
+	        r0 += z - 1;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if (*r0 > dither[x & 15])
+        	  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  ptr ++;
+        	}
+	      }
+	      break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+              dither  = Floyd8x8[y & 7];
+              if (z == 0)
+	        r0 += 3;
+	      else
+	        r0 += z - 1;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+              dither  = Floyd4x4[y & 3];
+              if (z == 0)
+	        r0 += 3;
+	      else
+	        r0 += z - 1;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              if (z == 0)
+	      {
+	        r0 += 3;
+	        r1 += 3;
+	      }
+	      else
+	      {
+	        r0 += z - 1;
+	        r1 += z - 1;
+	      }
+
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_KCMYcm()' - Convert image data to KCMYcm.
+ */
+
+static void
+format_KCMYcm(cups_page_header_t *header,/* I - Page header */
+              unsigned char      *row,	/* IO - Bitmap data for device */
+	      int                y,	/* I - Current row */
+	      int                z,	/* I - Current plane */
+	      int                xsize,	/* I - Width of image data */
+	      int	         ysize,	/* I - Height of image data */
+	      int                yerr0,	/* I - Top Y error */
+	      int                yerr1,	/* I - Bottom Y error */
+	      ib_t               *r0,	/* I - Primary image data */
+	      ib_t               *r1)	/* I - Image data for interpolation */
+{
+  int		pc, pm, py, pk;	/* Cyan, magenta, yellow, and black values */
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		*kptr,		/* Pointer into black */
+		*lcptr,		/* Pointer into light cyan */
+		*lmptr,		/* Pointer into light magenta */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr = row + bitoffset / 8;
+  if (header->cupsBitsPerColor == 1)
+    bandwidth = header->cupsBytesPerLine / 6;
+  else
+    bandwidth = header->cupsBytesPerLine / 4;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --)
+              {
+	        pc = *r0++ > dither[x & 15];
+		pm = *r0++ > dither[x & 15];
+		py = *r0++ > dither[x & 15];
+		pk = *r0++ > dither[x & 15];
+
+	        if (pk)
+		  *ptr++ ^= 32;	/* Black */
+		else if (pc && pm)
+		  *ptr++ ^= 17;	/* Blue (cyan + light magenta) */
+		else if (pc && py)
+		  *ptr++ ^= 6;	/* Green (light cyan + yellow) */
+		else if (pm && py)
+		  *ptr++ ^= 12;	/* Red (magenta + yellow) */
+		else if (pc)
+		  *ptr++ ^= 16;
+		else if (pm)
+		  *ptr++ ^= 8;
+		else if (py)
+		  *ptr++ ^= 4;
+              }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[3] == r1[3])
+                  *ptr++ = r0[3];
+        	else
+                  *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+
+        	if (r0[0] == r1[0])
+                  *ptr++ = r0[0];
+        	else
+                  *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *ptr++ = r0[1];
+        	else
+                  *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *ptr++ = r0[2];
+        	else
+                  *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	kptr  = ptr;
+	cptr  = ptr + bandwidth;
+	mptr  = ptr + 2 * bandwidth;
+	yptr  = ptr + 3 * bandwidth;
+	lcptr = ptr + 4 * bandwidth;
+	lmptr = ptr + 5 * bandwidth;
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+	        pc = *r0++ > dither[x & 15];
+		pm = *r0++ > dither[x & 15];
+		py = *r0++ > dither[x & 15];
+		pk = *r0++ > dither[x & 15];
+
+	        if (pk)
+		  *kptr ^= bitmask;	/* Black */
+		else if (pc && pm)
+		{
+		  *cptr ^= bitmask;	/* Blue (cyan + light magenta) */
+		  *lmptr ^= bitmask;
+		}
+		else if (pc && py)
+		{
+		  *lcptr ^= bitmask;	/* Green (light cyan + yellow) */
+		  *yptr  ^= bitmask;
+		}
+		else if (pm && py)
+		{
+		  *mptr ^= bitmask;	/* Red (magenta + yellow) */
+		  *yptr ^= bitmask;
+		}
+		else if (pc)
+		  *cptr ^= bitmask;
+		else if (pm)
+		  *mptr ^= bitmask;
+		else if (py)
+		  *yptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+		  lcptr ++;
+		  lmptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+        	if (r0[3] == r1[3])
+                  *kptr++ = r0[3];
+        	else
+                  *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              switch (z)
+	      {
+	        case 0 :
+        	    for (x = xsize; x > 0; x --, r0 += 4)
+        	    {
+        	      if (r0[3] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 1 :
+        	    for (x = xsize; x > 0; x --, r0 += 4)
+        	    {
+        	      if (r0[0] > dither[x & 15] &&
+			  r0[2] < dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 2 :
+        	    for (x = xsize; x > 0; x --, r0 += 4)
+        	    {
+        	      if (r0[1] > dither[x & 15] &&
+			  (r0[0] < dither[x & 15] ||
+			   r0[2] > dither[x & 15]))
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 3 :
+        	    for (x = xsize; x > 0; x --, r0 += 4)
+        	    {
+        	      if (r0[2] > dither[x & 15] &&
+			  (r0[0] < dither[x & 15] ||
+			   r0[1] < dither[x & 15]))
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 4 :
+        	    for (x = xsize; x > 0; x --, r0 += 4)
+        	    {
+        	      if (r0[0] > dither[x & 15] &&
+			  r0[2] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 5 :
+        	    for (x = xsize; x > 0; x --, r0 += 4)
+        	    {
+        	      if (r0[0] > dither[x & 15] &&
+			  r0[1] > dither[x & 15] &&
+			  r0[2] < dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+	      }
+              break;
+
+          case 8 :
+              if (z == 0)
+	      {
+	        r0 += 3;
+	        r1 += 3;
+	      }
+	      else
+	      {
+	        r0 += z - 1;
+	        r1 += z - 1;
+	      }
+
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_RGBA()' - Convert image data to RGBA.
+ */
+
+static void
+format_RGBA(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 4;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 128 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --)
+              {
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (*r0++ > dither[x & 15])
+		  *ptr ^= bitmask;
+
+                if (bitmask > 2)
+		{
+		  *ptr ^= 16;
+		  bitmask >>= 2;
+		}
+		else
+        	{
+        	  bitmask = 128;
+        	  *ptr++ ^= 1;
+        	}
+              }
+              break;
+
+          case 2 :
+	      dither = Floyd8x8[y & 7];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+	       	if ((r0[0] & 63) > dither[x & 7])
+        	  *ptr ^= (0xc0 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0xc0 & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 63) > dither[x & 7])
+        	  *ptr ^= (0x30 & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0x30 & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 63) > dither[x & 7])
+        	  *ptr ^= (0x0c & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0x0c & OffPixels[r0[2]]);
+
+                *ptr++ ^= 0x03;
+              }
+              break;
+
+          case 4 :
+	      dither = Floyd4x4[y & 3];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+        	if ((r0[0] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[0]]);
+
+        	if ((r0[1] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[1]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[1]]);
+
+        	if ((r0[2] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[2]]);
+
+                *ptr++ ^= 0x0f;
+              }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (r0[0] == r1[0])
+                  *ptr++ = r0[0];
+        	else
+                  *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *ptr++ = r0[1];
+        	else
+                  *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *ptr++ = r0[2];
+        	else
+                  *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+                *ptr++ = 255;
+              }
+	      break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	cptr = ptr;
+	mptr = ptr + bandwidth;
+	yptr = ptr + 2 * bandwidth;
+
+        memset(ptr + 3 * bandwidth, 255, bandwidth);
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if (*r0++ > dither[x & 15])
+        	  *cptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *mptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *yptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        if (z == 3)
+	{
+          memset(row, 255, header->cupsBytesPerLine);
+	  break;
+        }
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              switch (z)
+	      {
+	        case 0 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[0] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 1 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[1] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 2 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[2] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+              r0 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+              r0 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              r0 += z;
+	      r1 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_W()' - Convert image data to luminance.
+ */
+
+static void
+format_W(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  (void)z;
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr = row + bitoffset / 8;
+
+  switch (header->cupsBitsPerColor)
+  {
+    case 1 :
+        bitmask = 0x80 >> (bitoffset & 7);
+        dither  = Floyd16x16[y & 15];
+
+        for (x = xsize; x > 0; x --)
+        {
+          if (*r0++ > dither[x & 15])
+            *ptr ^= bitmask;
+
+          if (bitmask > 1)
+	    bitmask >>= 1;
+	  else
+	  {
+	    bitmask = 0x80;
+	    ptr ++;
+          }
+	}
+        break;
+
+    case 2 :
+        bitmask = 0xc0 >> (bitoffset & 7);
+        dither  = Floyd8x8[y & 7];
+
+        for (x = xsize; x > 0; x --)
+        {
+          if ((*r0 & 63) > dither[x & 7])
+            *ptr ^= (bitmask & OnPixels[*r0++]);
+          else
+            *ptr ^= (bitmask & OffPixels[*r0++]);
+
+          if (bitmask > 3)
+	    bitmask >>= 2;
+	  else
+	  {
+	    bitmask = 0xc0;
+
+	    ptr ++;
+          }
+	}
+        break;
+
+    case 4 :
+        bitmask = 0xf0 >> (bitoffset & 7);
+        dither  = Floyd4x4[y & 3];
+
+        for (x = xsize; x > 0; x --)
+        {
+          if ((*r0 & 15) > dither[x & 3])
+            *ptr ^= (bitmask & OnPixels[*r0++]);
+          else
+            *ptr ^= (bitmask & OffPixels[*r0++]);
+
+          if (bitmask == 0xf0)
+	    bitmask = 0x0f;
+	  else
+	  {
+	    bitmask = 0xf0;
+
+	    ptr ++;
+          }
+	}
+        break;
+
+    case 8 :
+        for (x = xsize; x > 0; x --, r0 ++, r1 ++)
+	{
+          if (*r0 == *r1)
+            *ptr++ = *r0;
+          else
+            *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_YMC()' - Convert image data to YMC.
+ */
+
+static void
+format_YMC(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 3;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 64 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+	        if (r0[2] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[1] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[0] > dither[x & 15])
+		  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 2;
+		else
+        	{
+        	  bitmask = 64;
+        	  ptr ++;
+        	}
+              }
+              break;
+
+          case 2 :
+	      dither = Floyd8x8[y & 7];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+	       	if ((r0[2] & 63) > dither[x & 7])
+        	  *ptr ^= (0x30 & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0x30 & OffPixels[r0[2]]);
+
+        	if ((r0[1] & 63) > dither[x & 7])
+        	  *ptr ^= (0x0c & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0x0c & OffPixels[r0[1]]);
+
+        	if ((r0[0] & 63) > dither[x & 7])
+        	  *ptr++ ^= (0x03 & OnPixels[r0[0]]);
+        	else
+        	  *ptr++ ^= (0x03 & OffPixels[r0[0]]);
+              }
+              break;
+
+          case 4 :
+	      dither = Floyd4x4[y & 3];
+
+              for (x = xsize ; x > 0; x --, r0 += 3)
+              {
+        	if ((r0[2] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[2]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[2]]);
+
+        	if ((r0[1] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[1]]);
+
+        	if ((r0[0] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[0]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[0]]);
+              }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (r0[2] == r1[2])
+                  *ptr++ = r0[2];
+        	else
+                  *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *ptr++ = r0[1];
+        	else
+                  *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[0] == r1[0])
+                  *ptr++ = r0[0];
+        	else
+                  *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+              }
+	      break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	yptr = ptr;
+	mptr = ptr + bandwidth;
+	cptr = ptr + 2 * bandwidth;
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if (*r0++ > dither[x & 15])
+        	  *cptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *mptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *yptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+	      dither  = Floyd16x16[y & 15];
+
+              switch (z)
+	      {
+	        case 2 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[0] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 1 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[1] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+
+	        case 0 :
+        	    for (x = xsize; x > 0; x --, r0 += 3)
+        	    {
+        	      if (r0[2] > dither[x & 15])
+        		*ptr ^= bitmask;
+
+                      if (bitmask > 1)
+			bitmask >>= 1;
+		      else
+		      {
+			bitmask = 0x80;
+			ptr ++;
+        	      }
+	            }
+		    break;
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+	      dither  = Floyd8x8[y & 7];
+              z       = 2 - z;
+              r0      += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+	      dither  = Floyd4x4[y & 3];
+              z       = 2 - z;
+              r0      += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              z  = 2 - z;
+              r0 += z;
+	      r1 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 3, r1 += 3)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'format_YMCK()' - Convert image data to YMCK.
+ */
+
+static void
+format_YMCK(cups_page_header_t *header,	/* I - Page header */
+            unsigned char      *row,	/* IO - Bitmap data for device */
+	    int                y,	/* I - Current row */
+	    int                z,	/* I - Current plane */
+	    int                xsize,	/* I - Width of image data */
+	    int	               ysize,	/* I - Height of image data */
+	    int                yerr0,	/* I - Top Y error */
+	    int                yerr1,	/* I - Bottom Y error */
+	    ib_t               *r0,	/* I - Primary image data */
+	    ib_t               *r1)	/* I - Image data for interpolation */
+{
+  ib_t		*ptr,		/* Pointer into row */
+		*cptr,		/* Pointer into cyan */
+		*mptr,		/* Pointer into magenta */
+		*yptr,		/* Pointer into yellow */
+		*kptr,		/* Pointer into black */
+		bitmask;	/* Current mask for pixel */
+  int		bitoffset;	/* Current offset in line */
+  int		bandwidth;	/* Width of a color band */
+  int		x,		/* Current X coordinate on page */
+		*dither;	/* Pointer into dither array */
+
+
+  switch (XPosition)
+  {
+    case -1 :
+        bitoffset = 0;
+	break;
+    default :
+        bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2);
+	break;
+    case 1 :
+        bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize);
+	break;
+  }
+
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 4;
+
+  switch (header->cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 128 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+	        if (r0[2] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[1] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[0] > dither[x & 15])
+		  *ptr ^= bitmask;
+		bitmask >>= 1;
+
+	        if (r0[3] > dither[x & 15])
+		  *ptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+        	{
+        	  bitmask = 128;
+
+        	  ptr ++;
+        	}
+              }
+              break;
+
+          case 2 :
+              dither = Floyd8x8[y & 7];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+	       	if ((r0[2] & 63) > dither[x & 7])
+        	  *ptr ^= (0xc0 & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0xc0 & OffPixels[r0[2]]);
+
+        	if ((r0[1] & 63) > dither[x & 7])
+        	  *ptr ^= (0x30 & OnPixels[r0[1]]);
+        	else
+        	  *ptr ^= (0x30 & OffPixels[r0[1]]);
+
+        	if ((r0[0] & 63) > dither[x & 7])
+        	  *ptr ^= (0x0c & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0x0c & OffPixels[r0[0]]);
+
+        	if ((r0[3] & 63) > dither[x & 7])
+        	  *ptr++ ^= (0x03 & OnPixels[r0[3]]);
+        	else
+        	  *ptr++ ^= (0x03 & OffPixels[r0[3]]);
+              }
+              break;
+
+          case 4 :
+              dither = Floyd4x4[y & 3];
+
+              for (x = xsize ; x > 0; x --, r0 += 4)
+              {
+        	if ((r0[2] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[2]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[2]]);
+
+        	if ((r0[1] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[1]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[1]]);
+
+        	if ((r0[0] & 15) > dither[x & 3])
+        	  *ptr ^= (0xf0 & OnPixels[r0[0]]);
+        	else
+        	  *ptr ^= (0xf0 & OffPixels[r0[0]]);
+
+        	if ((r0[3] & 15) > dither[x & 3])
+        	  *ptr++ ^= (0x0f & OnPixels[r0[3]]);
+        	else
+        	  *ptr++ ^= (0x0f & OffPixels[r0[3]]);
+              }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[2] == r1[2])
+                  *ptr++ = r0[2];
+        	else
+                  *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *ptr++ = r0[1];
+        	else
+                  *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[0] == r1[0])
+                  *ptr++ = r0[0];
+        	else
+                  *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[3] == r1[3])
+                  *ptr++ = r0[3];
+        	else
+                  *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_BANDED :
+	yptr = ptr;
+	mptr = ptr + bandwidth;
+	cptr = ptr + 2 * bandwidth;
+	kptr = ptr + 3 * bandwidth;
+
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if (*r0++ > dither[x & 15])
+        	  *cptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *mptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *yptr ^= bitmask;
+        	if (*r0++ > dither[x & 15])
+        	  *kptr ^= bitmask;
+
+                if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+              dither  = Floyd8x8[y & 7];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *kptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *kptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+              dither  = Floyd4x4[y & 3];
+
+              for (x = xsize; x > 0; x --)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *cptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *cptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *mptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *mptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *yptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *yptr ^= (bitmask & OffPixels[*r0++]);
+
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *kptr ^= (bitmask & OnPixels[*r0++]);
+        	else
+        	  *kptr ^= (bitmask & OffPixels[*r0++]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  cptr ++;
+		  mptr ++;
+		  yptr ++;
+		  kptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (r0[0] == r1[0])
+                  *cptr++ = r0[0];
+        	else
+                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
+
+        	if (r0[1] == r1[1])
+                  *mptr++ = r0[1];
+        	else
+                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+
+        	if (r0[2] == r1[2])
+                  *yptr++ = r0[2];
+        	else
+                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+
+        	if (r0[3] == r1[3])
+                  *kptr++ = r0[3];
+        	else
+                  *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        switch (header->cupsBitsPerColor)
+        {
+          case 1 :
+              bitmask = 0x80 >> (bitoffset & 7);
+              dither  = Floyd16x16[y & 15];
+
+              if (z < 3)
+	        r0 += 2 - z;
+	      else
+	        r0 += z;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if (*r0 > dither[x & 15])
+        	  *ptr ^= bitmask;
+
+        	if (bitmask > 1)
+		  bitmask >>= 1;
+		else
+		{
+		  bitmask = 0x80;
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 2 :
+              bitmask = 0xc0 >> (bitoffset & 7);
+              dither  = Floyd8x8[y & 7];
+              if (z == 3)
+	        r0 += 3;
+	      else
+	        r0 += 2 - z;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if ((*r0 & 63) > dither[x & 7])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask > 3)
+		  bitmask >>= 2;
+		else
+		{
+		  bitmask = 0xc0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 4 :
+              bitmask = 0xf0 >> (bitoffset & 7);
+              dither  = Floyd4x4[y & 3];
+              if (z == 3)
+	        r0 += 3;
+	      else
+	        r0 += 2 - z;
+
+              for (x = xsize; x > 0; x --, r0 += 4)
+              {
+        	if ((*r0 & 15) > dither[x & 3])
+        	  *ptr ^= (bitmask & OnPixels[*r0]);
+        	else
+        	  *ptr ^= (bitmask & OffPixels[*r0]);
+
+                if (bitmask == 0xf0)
+		  bitmask = 0x0f;
+		else
+		{
+		  bitmask = 0xf0;
+
+		  ptr ++;
+        	}
+	      }
+              break;
+
+          case 8 :
+              if (z == 3)
+	      {
+	        r0 += 3;
+	        r1 += 3;
+	      }
+	      else
+	      {
+	        r0 += 2 - z;
+	        r1 += 2 - z;
+	      }
+
+              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
+	      {
+        	if (*r0 == *r1)
+                  *ptr++ = *r0;
+        	else
+                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
+              }
+              break;
+        }
+        break;
+  }
+}
+
+
+/*
+ * 'make_lut()' - Make a lookup table given gamma and brightness values.
+ */
+
+static void
+make_lut(ib_t  *lut,		/* I - Lookup table */
+	 int   colorspace,	/* I - Colorspace */
+         float g,		/* I - Image gamma */
+         float b)		/* I - Image brightness */
+{
+  int	i;			/* Looping var */
+  int	v;			/* Current value */
+
+
+  g = 1.0 / g;
+  b = 1.0 / b;
+
+  for (i = 0; i < 256; i ++)
+  {
+    if (colorspace < 0)
+      v = 255.0 * b * (1.0 - pow(1.0 - (float)i / 255.0, g)) + 0.5;
+    else
+      v = 255.0 * (1.0 - b * (1.0 - pow((float)i / 255.0, g))) + 0.5;
+
+    if (v < 0)
+      *lut++ = 0;
+    else if (v > 255)
+      *lut++ = 255;
+    else
+      *lut++ = v;
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/pstops.c b/filter/pstops.c
new file mode 100644
index 000000000..be58e93aa
--- /dev/null
+++ b/filter/pstops.c
@@ -0,0 +1,1147 @@
+/*
+ * "$Id$"
+ *
+ *   PostScript filter for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()        - Main entry...
+ *   check_range() - Check to see if the current page is selected for
+ *   copy_bytes()  - Copy bytes from the input file to stdout...
+ *   end_nup()     - End processing for N-up printing...
+ *   psgets()      - Get a line from a file.
+ *   start_nup()   - Start processing for N-up printing...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+
+
+/*
+ * Constants...
+ */
+
+#define MAX_PAGES	10000
+
+
+/*
+ * Globals...
+ */
+
+int		NumPages = 0;		/* Number of pages in file */
+long		Pages[MAX_PAGES];	/* Offsets to each page */
+char		PageLabels[MAX_PAGES][64];
+					/* Page labels */
+const char	*PageRanges = NULL;	/* Range of pages selected */
+const char	*PageSet = NULL;	/* All, Even, Odd pages */
+int		Order = 0,		/* 0 = normal, 1 = reverse pages */
+		Flip = 0,		/* Flip/mirror pages */
+		NUp = 1,		/* Number of pages on each sheet (1, 2, 4) */
+		Collate = 0,		/* Collate copies? */
+		Copies = 1,		/* Number of copies */
+		UseESPsp = 0;		/* Use ESPshowpage? */
+
+
+/*
+ * Local functions...
+ */
+
+static int	check_range(int page);
+static void	copy_bytes(FILE *fp, size_t length);
+static void	end_nup(int number);
+static char	*psgets(char *buf, size_t len, FILE *fp);
+static void	start_nup(int number);
+
+
+/*
+ * 'main()' - Main entry...
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  FILE		*fp;		/* Print file */
+  ppd_file_t	*ppd;		/* PPD file */
+  int		num_options;	/* Number of print options */
+  cups_option_t	*options;	/* Print options */
+  const char	*val;		/* Option value */
+  char		tempfile[255];	/* Temporary file name */
+  FILE		*temp;		/* Temporary file */
+  int		tempfd;		/* Temporary file descriptor */
+  int		number;		/* Page number */
+  int		slowcollate;	/* 1 if we need to collate manually */
+  int		sloworder;	/* 1 if we need to order manually */
+  int		slowduplex;	/* 1 if we need an even number of pages */
+  char		line[8192];	/* Line buffer */
+  float		g;		/* Gamma correction value */
+  float		b;		/* Brightness factor */
+  int		level;		/* Nesting level for embedded files */
+  int		nbytes,		/* Number of bytes read */
+		tbytes;		/* Total bytes to read for binary data */
+  int		page;		/* Current page sequence number */
+  int		real_page;	/* "Real" page number in document */
+  int		page_count;	/* Page count for NUp */
+  int		basepage;	/* Base page number */
+  int		subpage;	/* Sub-page number */
+  int		copy;		/* Current copy */
+  int		saweof;		/* Did we see a %%EOF tag? */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+    fputs("ERROR: pstops job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+    fp = stdin;
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      fprintf(stderr, "ERROR: unable to open print file \"%s\" - %s\n",
+              argv[6], strerror(errno));
+      return (1);
+    }
+  }
+
+ /*
+  * Process command-line options and write the prolog...
+  */
+
+  g = 1.0;
+  b = 1.0;
+
+  Copies = atoi(argv[4]);
+
+  options     = NULL;
+  num_options = cupsParseOptions(argv[5], 0, &options);
+
+  ppd = SetCommonOptions(num_options, options, 1);
+
+  if ((val = cupsGetOption("page-ranges", num_options, options)) != NULL)
+    PageRanges = val;
+
+  if ((val = cupsGetOption("page-set", num_options, options)) != NULL)
+    PageSet = val;
+
+  if ((val = cupsGetOption("multiple-document-handling", num_options, options)) != NULL)
+  {
+   /*
+    * This IPP attribute is unnecessarily complicated...
+    *
+    *   single-document, separate-documents-collated-copies, and
+    *   single-document-new-sheet all require collated copies.
+    *
+    *   separate-documents-uncollated-copies allows for uncollated copies.
+    */
+
+    Collate = strcasecmp(val, "separate-documents-uncollated-copies") != 0;
+  }
+
+  if ((val = cupsGetOption("Collate", num_options, options)) != NULL &&
+      strcasecmp(val, "True") == 0)
+    Collate = 1;
+
+  if ((val = cupsGetOption("OutputOrder", num_options, options)) != NULL &&
+      strcasecmp(val, "Reverse") == 0)
+    Order = 1;
+
+  if ((val = cupsGetOption("number-up", num_options, options)) != NULL)
+    NUp = atoi(val);
+
+  if ((val = cupsGetOption("gamma", num_options, options)) != NULL)
+    g = atoi(val) * 0.001f;
+
+  if ((val = cupsGetOption("brightness", num_options, options)) != NULL)
+    b = atoi(val) * 0.01f;
+
+ /*
+  * See if we have to filter the fast or slow way...
+  */
+
+  if (ppd && ppd->manual_copies && Duplex && Copies > 1)
+  {
+   /*
+    * Force collated copies when printing a duplexed document to
+    * a non-PS printer that doesn't do hardware copy generation.
+    * Otherwise the copies will end up on the front/back side of
+    * each page.  Also, set the "slowduplex" option to make sure
+    * that we output an even number of pages...
+    */
+
+    Collate    = 1;
+    slowduplex = 1;
+  }
+  else
+    slowduplex = 0;
+
+  if (ppdFindOption(ppd, "Collate") == NULL && Collate && Copies > 1)
+    slowcollate = 1;
+  else
+    slowcollate = 0;
+
+  if (ppdFindOption(ppd, "OutputOrder") == NULL && Order)
+    sloworder = 1;
+  else
+    sloworder = 0;
+
+ /*
+  * If we need to filter slowly, then create a temporary file for page data...
+  *
+  * If the temp file can't be created, then we'll ignore the collating/output
+  * order options...
+  */
+
+  if (sloworder || slowcollate)
+  {
+    tempfd = cupsTempFd(tempfile, sizeof(tempfile));
+    temp   = fdopen(tempfd, "wb+");
+
+    if (temp == NULL)
+      slowcollate = sloworder = 0;
+  }
+  else
+    temp = NULL;
+
+ /*
+  * Write any "exit server" options that have been selected...
+  */
+
+  ppdEmit(ppd, stdout, PPD_ORDER_EXIT);
+
+ /*
+  * Write any JCL commands that are needed to print PostScript code...
+  */
+
+  ppdEmitJCL(ppd, stdout, atoi(argv[1]), argv[2], argv[3]);
+
+ /*
+  * Read the first line to see if we have DSC comments...
+  */
+
+  if (psgets(line, sizeof(line), fp) == NULL)
+  {
+    fputs("ERROR: Empty print file!\n", stderr);
+    ppdClose(ppd);
+    return (1);
+  }
+
+ /*
+  * See if this is an EPS file...
+  */
+
+  UseESPsp = strstr(line, "EPS") != NULL;
+
+ /*
+  * Start sending the document with any commands needed...
+  */
+
+  puts(line);
+
+  saweof = 0;
+
+  if (ppd != NULL && ppd->patches != NULL)
+    puts(ppd->patches);
+
+  ppdEmit(ppd, stdout, PPD_ORDER_DOCUMENT);
+  ppdEmit(ppd, stdout, PPD_ORDER_ANY);
+  ppdEmit(ppd, stdout, PPD_ORDER_PROLOG);
+
+  if (g != 1.0 || b != 1.0)
+    printf("{ neg 1 add dup 0 lt { pop 1 } { %.3f exp neg 1 add } "
+           "ifelse %.3f mul } bind settransfer\n", g, b);
+
+ /*
+  * Figure out if we should use ESPshowpage or not...
+  */
+
+  val = cupsGetOption("page-label", num_options, options);
+
+  if (val != NULL || getenv("CLASSIFICATION") != NULL || NUp > 1)
+  {
+   /*
+    * Yes, use ESPshowpage...
+    */
+
+    UseESPsp = 1;
+  }
+
+  if (NUp == 2)
+  {
+   /*
+    * For 2-up output, rotate the labels to match the orientation
+    * of the pages...
+    */
+
+    if (Orientation & 1)
+      WriteLabelProlog(val, PageBottom, PageWidth - PageLength + PageTop,
+                       PageLength);
+    else
+      WriteLabelProlog(val, PageLeft, PageRight, PageLength);
+  }
+  else
+    WriteLabelProlog(val, PageBottom, PageTop, PageWidth);
+
+  if (UseESPsp)
+    puts("userdict begin\n"
+	 "/ESPshowpage /showpage load def\n"
+	 "/showpage { } def\n"
+	 "end");
+
+  if (Copies > 1 && (!Collate || !slowcollate))
+  {
+    if (Collate)
+      printf("%%%%Requirements: numcopies(%d) collate\n", Copies);
+    else
+      printf("%%%%Requirements: numcopies(%d)\n", Copies);
+
+    if (LanguageLevel == 1)
+      printf("/#copies %d def\n", Copies);
+    else
+      printf("<</NumCopies %d>>setpagedevice\n", Copies);
+  }
+
+  if (strncmp(line, "%!PS-Adobe-", 11) == 0)
+  {
+   /*
+    * OK, we have DSC comments; read until we find a %%Page comment...
+    */
+
+    level = 0;
+
+    while (psgets(line, sizeof(line), fp) != NULL)
+    {
+      if (strncmp(line, "%%", 2) == 0)
+        fprintf(stderr, "DEBUG: %d %s", level, line);
+
+      if (strncmp(line, "%%BeginDocument:", 16) == 0 ||
+          strncmp(line, "%%BeginDocument ", 16) == 0)	/* Adobe Acrobat BUG */
+        level ++;
+      else if (strncmp(line, "%%EndDocument", 13) == 0 && level > 0)
+        level --;
+      else if (strncmp(line, "%%Page:", 7) == 0 && level == 0)
+        break;
+      else if (strncmp(line, "%%BeginBinary:", 14) == 0 ||
+               (strncmp(line, "%%BeginData:", 12) == 0 &&
+	        strstr(line, "ASCII") == NULL && strstr(line, "Hex") == NULL))
+      {
+       /*
+        * Copy binary data...
+	*/
+
+        tbytes = atoi(strchr(line, ':') + 1);
+	fputs(line, stdout);
+
+	while (tbytes > 0)
+	{
+	  if (tbytes > sizeof(line))
+	    nbytes = fread(line, 1, sizeof(line), fp);
+	  else
+	    nbytes = fread(line, 1, tbytes, fp);
+
+          if (nbytes < 1)
+	  {
+	    perror("ERROR: Early end-of-file while reading binary data");
+	    return (1);
+	  }
+
+	  fwrite(line, 1, nbytes, stdout);
+	  tbytes -= nbytes;
+	}
+      }
+      else
+        fputs(line, stdout);
+    }
+
+   /*
+    * Then read all of the pages, filtering as needed...
+    */
+
+    for (page = 1, real_page = 1;;)
+    {
+      if (strncmp(line, "%%", 2) == 0)
+        fprintf(stderr, "DEBUG: %d %s", level, line);
+
+      if (strncmp(line, "%%BeginDocument:", 16) == 0 ||
+          strncmp(line, "%%BeginDocument ", 16) == 0)	/* Adobe Acrobat BUG */
+        level ++;
+      else if (strncmp(line, "%%EndDocument", 13) == 0 && level > 0)
+        level --;
+      else if (strcmp(line, "\004") == 0)
+        break;
+      else if (strncmp(line, "%%EOF", 5) == 0 && level == 0)
+      {
+        fputs("DEBUG: Saw EOF!\n", stderr);
+        saweof = 1;
+	break;
+      }
+      else if (strncmp(line, "%%Page:", 7) == 0 && level == 0)
+      {
+	if (!check_range(real_page))
+	{
+	  while (psgets(line, sizeof(line), fp) != NULL)
+	    if (strncmp(line, "%%BeginDocument:", 16) == 0 ||
+        	strncmp(line, "%%BeginDocument ", 16) == 0)	/* Adobe Acrobat BUG */
+              level ++;
+	    else if (strcmp(line, "%%EndDocument") == 0 && level > 0)
+              level --;
+	    else if (strncmp(line, "%%Page:", 7) == 0 && level == 0)
+	    {
+	      real_page ++;
+	      break;
+	    }
+
+          continue;
+        }
+
+        if (!sloworder && NumPages > 0)
+	  end_nup(NumPages - 1);
+
+	if (slowcollate || sloworder)
+	  Pages[NumPages] = ftell(temp);
+
+        if (!sloworder)
+	{
+	  if ((NumPages & (NUp - 1)) == 0)
+	  {
+	    if (ppd == NULL || ppd->num_filters == 0)
+	      fprintf(stderr, "PAGE: %d %d\n", page, Copies);
+
+            printf("%%%%Page: %d %d\n", page, page);
+	    page ++;
+	    ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+	  }
+
+	  start_nup(NumPages);
+	}
+
+	NumPages ++;
+	real_page ++;
+      }
+      else if (strncmp(line, "%%BeginBinary:", 14) == 0 ||
+               (strncmp(line, "%%BeginData:", 12) == 0 &&
+	        strstr(line, "ASCII") == NULL && strstr(line, "Hex") == NULL))
+      {
+       /*
+        * Copy binary data...
+	*/
+
+        tbytes = atoi(strchr(line, ':') + 1);
+
+	if (!sloworder)
+	  fputs(line, stdout);
+	if (slowcollate || sloworder)
+	  fputs(line, temp);
+
+	while (tbytes > 0)
+	{
+	  if (tbytes > sizeof(line))
+	    nbytes = fread(line, 1, sizeof(line), fp);
+	  else
+	    nbytes = fread(line, 1, tbytes, fp);
+
+          if (nbytes < 1)
+	  {
+	    perror("ERROR: Early end-of-file while reading binary data");
+	    return (1);
+	  }
+
+          if (!sloworder)
+	    fwrite(line, 1, nbytes, stdout);
+
+          if (slowcollate || sloworder)
+	    fwrite(line, 1, nbytes, temp);
+
+	  tbytes -= nbytes;
+	}
+      }
+      else if (strncmp(line, "%%Trailer", 9) == 0 && level == 0)
+      {
+        fputs("DEBUG: Saw Trailer!\n", stderr);
+        break;
+      }
+      else
+      {
+        if (!sloworder)
+          fputs(line, stdout);
+
+	if (slowcollate || sloworder)
+	  fputs(line, temp);
+      }
+
+      if (psgets(line, sizeof(line), fp) == NULL)
+        break;
+    }
+
+    if (!sloworder)
+    {
+      end_nup(NumPages - 1);
+
+      if (NumPages & (NUp - 1))
+      {
+	start_nup(NUp - 1);
+        end_nup(NUp - 1);
+      }
+
+      if (slowduplex && !(page & 1))
+      {
+       /*
+        * Make sure we have an even number of pages...
+	*/
+
+	if (ppd == NULL || ppd->num_filters == 0)
+	  fprintf(stderr, "PAGE: %d %d\n", page, Copies);
+
+        printf("%%%%Page: %d %d\n", page, page);
+	page ++;
+	ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+	start_nup(NUp - 1);
+	puts("showpage");
+        end_nup(NUp - 1);
+      }
+    }
+
+    if (slowcollate || sloworder)
+    {
+      Pages[NumPages] = ftell(temp);
+
+      if (!sloworder)
+      {
+        while (Copies > 1)
+	{
+	  rewind(temp);
+
+	  for (number = 0; number < NumPages; number ++)
+	  {
+	    if ((number & (NUp - 1)) == 0)
+	    {
+	      if (ppd == NULL || ppd->num_filters == 0)
+		fprintf(stderr, "PAGE: %d 1\n", page);
+
+              printf("%%%%Page: %d %d\n", page, page);
+	      page ++;
+	      ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+	    }
+
+	    start_nup(number);
+	    copy_bytes(temp, Pages[number + 1] - Pages[number]);
+	    end_nup(number);
+	  }
+
+          if (NumPages & (NUp - 1))
+	  {
+	    start_nup(NUp - 1);
+            end_nup(NUp - 1);
+	  }
+
+	  if (slowduplex && !(page & 1))
+	  {
+	   /*
+            * Make sure we have an even number of pages...
+	    */
+
+	    if (ppd == NULL || ppd->num_filters == 0)
+	      fprintf(stderr, "PAGE: %d 1\n", page);
+
+            printf("%%%%Page: %d %d\n", page, page);
+	    page ++;
+	    ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+	    start_nup(NUp - 1);
+	    puts("showpage");
+            end_nup(NUp - 1);
+	  }
+
+	  Copies --;
+	}
+      }
+      else
+      {
+        page_count = (NumPages + NUp - 1) / NUp;
+	copy       = 0;
+
+        do
+	{
+	  if (slowduplex && (page_count & 1))
+	  {
+            basepage = page_count - 1;
+	  }
+	  else
+	    basepage = page_count - 1 - slowduplex;
+
+	  for (; basepage >= 0; basepage -= 1 + slowduplex)
+	  {
+	    if (ppd == NULL || ppd->num_filters == 0)
+	      fprintf(stderr, "PAGE: %d %d\n", page,
+	              slowcollate ? 1 : Copies);
+
+            printf("%%%%Page: %d %d\n", page, page);
+	    page ++;
+
+	    ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+	    for (subpage = 0, number = basepage * NUp;
+	         subpage < NUp && number < NumPages;
+		 subpage ++, number ++)
+	    {
+	      start_nup(number);
+	      fseek(temp, Pages[number], SEEK_SET);
+	      copy_bytes(temp, Pages[number + 1] - Pages[number]);
+	      end_nup(number);
+	    }
+
+            if (number & (NUp - 1))
+	    {
+	      start_nup(NUp - 1);
+              end_nup(NUp - 1);
+	    }
+
+            if (slowduplex)
+	    {
+              if (number < NumPages)
+	      {
+		if (ppd == NULL || ppd->num_filters == 0)
+		  fprintf(stderr, "PAGE: %d %d\n", page,
+	        	  slowcollate ? 1 : Copies);
+
+        	printf("%%%%Page: %d %d\n", page, page);
+		page ++;
+
+		ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+		for (subpage = 0, number = (basepage + 1) * NUp;
+	             subpage < NUp && number < NumPages;
+		     subpage ++, number ++)
+		{
+		  start_nup(number);
+		  fseek(temp, Pages[number], SEEK_SET);
+		  copy_bytes(temp, Pages[number + 1] - Pages[number]);
+		  end_nup(number);
+		}
+
+        	if (number & (NUp - 1))
+		{
+		  start_nup(NUp - 1);
+        	  end_nup(NUp - 1);
+		}
+              }
+	      else
+	      {
+	       /*
+        	* Make sure we have an even number of pages...
+		*/
+
+		if (ppd == NULL || ppd->num_filters == 0)
+		  fprintf(stderr, "PAGE: %d %d\n", page, slowcollate ? 1 : Copies);
+
+        	printf("%%%%Page: %d %d\n", page, page);
+		page ++;
+		ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+		start_nup(NUp - 1);
+		puts("showpage");
+        	end_nup(NUp - 1);
+
+        	basepage = page_count - 1;
+	      }
+	    }
+	  }
+
+	  copy ++;
+	}
+	while (copy < Copies && slowcollate);
+      }
+    }
+
+   /*
+    * Copy the trailer, if any...
+    */
+
+    while (psgets(line, sizeof(line), fp) != NULL)
+    {
+      if (strcmp(line, "\004") != 0)
+        fputs(line, stdout);
+
+      if (strncmp(line, "%%EOF", 5) == 0)
+      {
+        fputs("DEBUG: Saw EOF!\n", stderr);
+        saweof = 1;
+	break;
+      }
+    }
+  }
+  else
+  {
+   /*
+    * No DSC comments - write any page commands and then the rest of the file...
+    */
+
+    if (ppd == NULL || ppd->num_filters == 0)
+      fprintf(stderr, "PAGE: 1 %d\n", slowcollate ? 1 : Copies);
+
+    ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+
+    saweof = 1;
+
+    while ((nbytes = fread(line, 1, sizeof(line), fp)) > 0)
+    {
+      fwrite(line, 1, nbytes, stdout);
+
+      if (slowcollate)
+	fwrite(line, 1, nbytes, temp);
+    }
+
+    if (UseESPsp)
+      puts("ESPshowpage");
+
+    if (slowcollate)
+    {
+      while (Copies > 1)
+      {
+	if (ppd == NULL || ppd->num_filters == 0)
+	  fputs("PAGE: 1 1\n", stderr);
+
+        ppdEmit(ppd, stdout, PPD_ORDER_PAGE);
+	rewind(temp);
+	copy_bytes(temp, 0);
+	Copies --;
+
+        if (UseESPsp)
+          puts("ESPshowpage");
+      }
+    }
+  }
+
+ /*
+  * Send %%EOF if needed...
+  */
+
+  if (!saweof)
+    puts("%%EOF");
+
+ /*
+  * End the job with the appropriate JCL command or CTRL-D otherwise.
+  */
+
+  if (ppd != NULL && ppd->jcl_end)
+    fputs(ppd->jcl_end, stdout);
+  else if (ppd != NULL && ppd->num_filters == 0)
+    putchar(0x04);
+
+ /*
+  * Close files and remove the temporary file if needed...
+  */
+
+  if (slowcollate || sloworder)
+  {
+    fclose(temp);
+    unlink(tempfile);
+  }
+
+  ppdClose(ppd);
+
+  if (fp != stdin)
+    fclose(fp);
+
+  return (0);
+}
+
+
+/*
+ * 'check_range()' - Check to see if the current page is selected for
+ *                   printing.
+ */
+
+static int		/* O - 1 if selected, 0 otherwise */
+check_range(int page)	/* I - Page number */
+{
+  const char	*range;		/* Pointer into range string */
+  int		lower, upper;	/* Lower and upper page numbers */
+
+
+  if (PageSet != NULL)
+  {
+   /*
+    * See if we only print even or odd pages...
+    */
+
+    if (strcasecmp(PageSet, "even") == 0 && ((page - 1) % (NUp << 1)) <  NUp)
+      return (0);
+    if (strcasecmp(PageSet, "odd")  == 0 && ((page - 1) % (NUp << 1)) >= NUp)
+      return (0);
+  }
+
+  if (PageRanges == NULL)
+    return (1);		/* No range, print all pages... */
+
+  for (range = PageRanges; *range != '\0';)
+  {
+    if (*range == '-')
+    {
+      lower = 1;
+      range ++;
+      upper = strtol(range, (char **)&range, 10);
+    }
+    else
+    {
+      lower = strtol(range, (char **)&range, 10);
+
+      if (*range == '-')
+      {
+        range ++;
+	if (!isdigit(*range))
+	  upper = 65535;
+	else
+	  upper = strtol(range, (char **)&range, 10);
+      }
+      else
+        upper = lower;
+    }
+
+    if (page >= lower && page <= upper)
+      return (1);
+
+    if (*range == ',')
+      range ++;
+    else
+      break;
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'copy_bytes()' - Copy bytes from the input file to stdout...
+ */
+
+static void
+copy_bytes(FILE   *fp,		/* I - File to read from */
+           size_t length)	/* I - Length of page data */
+{
+  char		buffer[8192];	/* Data buffer */
+  size_t	nbytes,		/* Number of bytes read */
+		nleft;		/* Number of bytes left/remaining */
+
+
+  nleft = length;
+
+  while (nleft > 0 || length == 0)
+  {
+    if (nleft > sizeof(buffer) || length == 0)
+      nbytes = sizeof(buffer);
+    else
+      nbytes = nleft;
+
+    if ((nbytes = fread(buffer, 1, nbytes, fp)) < 1)
+      return;
+
+    nleft -= nbytes;
+
+    fwrite(buffer, 1, nbytes, stdout);
+  }
+}
+
+
+/*
+ * 'end_nup()' - End processing for N-up printing...
+ */
+
+static void
+end_nup(int number)	/* I - Page number */
+{
+  if (Flip || Orientation || NUp > 1)
+    puts("userdict /ESPsave get restore");
+
+  switch (NUp)
+  {
+    case 1 :
+	if (UseESPsp)
+	{
+	  WriteLabels(Orientation);
+          puts("ESPshowpage");
+	}
+	break;
+
+    case 2 :
+	if ((number & 1) == 1 && UseESPsp)
+	{
+	  if (Orientation & 1)
+	  {
+	   /*
+	    * Rotate the labels back to portrait...
+	    */
+
+	    WriteLabels(Orientation - 1);
+	  }
+	  else
+	  {
+	   /*
+	    * Rotate the labels to landscape...
+	    */
+
+	    WriteLabels(Orientation + 1);
+	  }
+
+          puts("ESPshowpage");
+	}
+        break;
+
+    case 4 :
+	if ((number & 3) == 3 && UseESPsp)
+	{
+	  WriteLabels(Orientation);
+          puts("ESPshowpage");
+	}
+        break;
+  }
+}
+
+
+/*
+ * 'psgets()' - Get a line from a file.
+ *
+ * Note:
+ *
+ *   This function differs from the gets() function in that it
+ *   handles any combination of CR, LF, or CR LF to end input
+ *   lines.
+ */
+
+static char *		/* O - String or NULL if EOF */
+psgets(char   *buf,	/* I - Buffer to read into */
+       size_t len,	/* I - Length of buffer */
+       FILE   *fp)	/* I - File to read from */
+{
+  char	*bufptr;	/* Pointer into buffer */
+  int	ch;		/* Character from file */
+
+
+  len --;
+  bufptr = buf;
+  ch     = EOF;
+
+  while ((bufptr - buf) < len)
+  {
+    if ((ch = getc(fp)) == EOF)
+      break;
+
+    if (ch == 0x0d)
+    {
+     /*
+      * Got a CR; see if there is a LF as well...
+      */
+
+      ch = getc(fp);
+      if (ch != EOF && ch != 0x0a)
+        ungetc(ch, fp);	/* Nope, save it for later... */
+
+      ch = 0x0a;
+      break;
+    }
+    else if (ch == 0x0a)
+      break;
+    else
+      *bufptr++ = ch;
+  }
+
+ /*
+  * Add a trailing newline if it is there...
+  */
+
+  if (ch == '\n')
+    *bufptr++ = '\n';
+
+ /*
+  * Nul-terminate the string and return it (or NULL for EOF).
+  */
+
+  *bufptr = '\0';
+
+  if (ch == EOF && bufptr == buf)
+    return (NULL);
+  else
+    return (buf);
+}
+
+
+/*
+ * 'start_nup()' - Start processing for N-up printing...
+ */
+
+static void
+start_nup(int number)	/* I - Page number */
+{
+  int	x, y;		/* Relative position of subpage */
+  float	w, l,		/* Width and length of subpage */
+	tx, ty;		/* Translation values for subpage */
+  float	pw, pl;		/* Printable width and length of full page */
+
+
+  if (Flip || Orientation || NUp > 1)
+    puts("userdict /ESPsave save put");
+
+  if (Flip)
+    printf("%.1f 0.0 translate -1 1 scale\n", PageWidth);
+
+  pw = PageRight - PageLeft;
+  pl = PageTop - PageBottom;
+
+  fprintf(stderr, "DEBUG: pw = %.1f, pl = %.1f\n", pw, pl);
+  fprintf(stderr, "DEBUG: PageLeft = %.1f, PageRight = %.1f\n", PageLeft, PageRight);
+  fprintf(stderr, "DEBUG: PageTop = %.1f, PageBottom = %.1f\n", PageTop, PageBottom);
+  fprintf(stderr, "DEBUG: PageWidth = %.1f, PageLength = %.1f\n", PageWidth, PageLength);
+
+  switch (Orientation)
+  {
+    case 1 : /* Landscape */
+        printf("%.1f 0.0 translate 90 rotate\n", PageLength);
+        break;
+    case 2 : /* Reverse Portrait */
+        printf("%.1f %.1f translate 180 rotate\n", PageWidth, PageLength);
+        break;
+    case 3 : /* Reverse Landscape */
+        printf("0.0 %.1f translate -90 rotate\n", PageWidth);
+        break;
+  }
+
+  switch (NUp)
+  {
+    case 2 :
+        x = number & 1;
+
+        if (Orientation & 1)
+	{
+	  x = 1 - x;
+          w = pl;
+          l = w * PageLength / PageWidth;
+
+          if (l > (pw * 0.5))
+          {
+            l = pw * 0.5;
+            w = l * PageWidth / PageLength;
+          }
+
+          tx = pw * 0.5 - l;
+          ty = (pl - w) * 0.5;
+        }
+	else
+	{
+          l = pw;
+          w = l * PageWidth / PageLength;
+
+          if (w > (pl * 0.5))
+          {
+            w = pl * 0.5;
+            l = w * PageLength / PageWidth;
+          }
+
+          tx = pl * 0.5 - w;
+          ty = (pw - l) * 0.5;
+        }
+
+        if (Duplex && (number & 2))
+	  printf("%.1f %.1f translate\n", PageWidth - PageRight, PageBottom);
+	else
+	  printf("%.1f %.1f translate\n", PageLeft, PageBottom);
+
+        if (Orientation & 1)
+	{
+          printf("0.0 %.1f translate -90 rotate\n", pl);
+          printf("%.1f %.1f translate %.3f %.3f scale\n",
+                 ty, tx + l * x, w / PageWidth, l / PageLength);
+        }
+        else
+	{
+          printf("%.1f 0.0 translate 90 rotate\n", pw);
+          printf("%.1f %.1f translate %.3f %.3f scale\n",
+                 tx + w * x, ty, w / PageWidth, l / PageLength);
+        }
+
+	printf("newpath\n"
+               "0.0 0.0 moveto\n"
+               "%.1f 0.0 lineto\n"
+               "%.1f %.1f lineto\n"
+               "0.0 %.1f lineto\n"
+               "closepath clip newpath\n",
+               PageWidth, PageWidth, PageLength, PageLength);
+        break;
+
+    case 4 :
+        x = number & 1;
+	y = 1 - ((number & 2) != 0);
+
+        w = pw * 0.5;
+	l = w * PageLength / PageWidth;
+
+	if (l > (pl * 0.5))
+	{
+	  l = pl * 0.5;
+	  w = l * PageWidth / PageLength;
+	}
+
+        if (Duplex && (number & 4))
+	  printf("%.1f %.1f translate\n", PageWidth - PageRight, PageBottom);
+	else
+	  printf("%.1f %.1f translate\n", PageLeft, PageBottom);
+
+	printf("%.1f %.1f translate %.3f %.3f scale\n", x * w, y * l,
+	       w / PageWidth, l / PageLength);
+        printf("newpath\n"
+               "0.0 0.0 moveto\n"
+               "%.1f 0.0 lineto\n"
+               "%.1f %.1f lineto\n"
+               "0.0 %.1f lineto\n"
+               "closepath clip newpath\n",
+               PageWidth, PageWidth, PageLength, PageLength);
+        break;
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/raster.c b/filter/raster.c
new file mode 100644
index 000000000..316b07777
--- /dev/null
+++ b/filter/raster.c
@@ -0,0 +1,252 @@
+/*
+ * "$Id$"
+ *
+ *   Raster file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights for the CUPS Raster source
+ *   files are outlined in the GNU Library General Public License, located
+ *   in the "pstoraster" directory.  If this file is missing or damaged
+ *   please contact Easy Software Products at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   This code and any derivative of it may be used and distributed
+ *   freely under the terms of the GNU General Public License when
+ *   used with GNU Ghostscript or its derivatives.  Use of the code
+ *   (or any derivative of it) with software other than GNU
+ *   GhostScript (or its derivatives) is governed by the CUPS license
+ *   agreement.
+ *
+ * Contents:
+ *
+ *   cupsRasterClose()       - Close a raster stream.
+ *   cupsRasterOpen()        - Open a raster stream.
+ *   cupsRasterReadHeader()  - Read a raster page header.
+ *   cupsRasterReadPixels()  - Read raster pixels.
+ *   cupsRasterWriteHeader() - Write a raster page header.
+ *   cupsRasterWritePixels() - Write raster pixels.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "raster.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#if defined(WIN32) || defined(__EMX__)
+#  include <io.h>
+#else
+#  include <unistd.h>
+#endif /* WIN32 || __EMX__ */
+
+
+/*
+ * 'cupsRasterClose()' - Close a raster stream.
+ */
+
+void
+cupsRasterClose(cups_raster_t *r)	/* I - Stream to close */
+{
+  if (r != NULL)
+    free(r);
+}
+
+
+/*
+ * 'cupsRasterOpen()' - Open a raster stream.
+ */
+
+cups_raster_t *				/* O - New stream */
+cupsRasterOpen(int         fd,		/* I - File descriptor */
+               cups_mode_t mode)	/* I - Mode */
+{
+  cups_raster_t	*r;			/* New stream */
+
+
+  if ((r = calloc(sizeof(cups_raster_t), 1)) == NULL)
+    return (NULL);
+
+  r->fd   = fd;
+  r->mode = mode;
+
+  if (mode == CUPS_RASTER_READ)
+  {
+   /*
+    * Open for read - get sync word...
+    */
+
+    if (read(fd, &(r->sync), sizeof(r->sync)) < sizeof(r->sync))
+    {
+      free(r);
+      return (NULL);
+    }
+
+    if (r->sync != CUPS_RASTER_SYNC &&
+        r->sync != CUPS_RASTER_REVSYNC)
+    {
+      free(r);
+      return (NULL);
+    }
+  }
+  else
+  {
+   /*
+    * Open for write - put sync word...
+    */
+
+    r->sync = CUPS_RASTER_SYNC;
+    if (write(fd, &(r->sync), sizeof(r->sync)) < sizeof(r->sync))
+    {
+      free(r);
+      return (NULL);
+    }
+  }
+
+  return (r);
+}
+
+
+/*
+ * 'cupsRasterReadHeader()' - Read a raster page header.
+ */
+
+unsigned					/* O - 1 on success, 0 on fail */
+cupsRasterReadHeader(cups_raster_t      *r,	/* I - Raster stream */
+                     cups_page_header_t *h)	/* I - Pointer to header data */
+{
+  int		len;				/* Number of words to swap */
+  union swap_s					/* Swapping structure */
+  {
+    unsigned char	b[4];
+    unsigned		v;
+  }		*s;
+
+
+  if (r == NULL || r->mode != CUPS_RASTER_READ)
+    return (0);
+
+  if (cupsRasterReadPixels(r, (unsigned char *)h, sizeof(cups_page_header_t)) <
+          sizeof(cups_page_header_t))
+    return (0);
+
+  if (r->sync == CUPS_RASTER_REVSYNC)
+    for (len = (sizeof(cups_page_header_t) - 256) / 4,
+             s = (union swap_s *)&(h->AdvanceDistance);
+	 len > 0;
+	 len --, s ++)
+      s->v = (((((s->b[3] << 8) | s->b[2]) << 8) | s->b[1]) << 8) | s->b[0];
+
+  return (1);
+}
+
+
+/*
+ * 'cupsRasterReadPixels()' - Read raster pixels.
+ */
+
+unsigned				/* O - Number of bytes read */
+cupsRasterReadPixels(cups_raster_t *r,	/* I - Raster stream */
+                     unsigned char *p,	/* I - Pointer to pixel buffer */
+		     unsigned      len)	/* I - Number of bytes to read */
+{
+  int		bytes;			/* Bytes read */
+  unsigned	remaining;		/* Bytes remaining */
+
+
+  if (r == NULL || r->mode != CUPS_RASTER_READ)
+    return (0);
+
+  remaining = len;
+
+  while (remaining > 0)
+  {
+    bytes = read(r->fd, p, remaining);
+
+    if (bytes <= 0)
+    {
+      if (errno != EAGAIN && errno != EINTR)
+        return (0);
+      else
+        continue;
+    }
+
+    remaining -= bytes;
+    p += bytes;
+  }
+
+  return (len);
+}
+
+
+/*
+ * 'cupsRasterWriteHeader()' - Write a raster page header.
+ */
+ 
+unsigned
+cupsRasterWriteHeader(cups_raster_t *r,
+                      cups_page_header_t *h)
+{
+  if (r == NULL || r->mode != CUPS_RASTER_WRITE)
+    return (0);
+
+  return (cupsRasterWritePixels(r, (unsigned char *)h,
+                                sizeof(cups_page_header_t)) ==
+              sizeof(cups_page_header_t));
+}
+
+
+/*
+ * 'cupsRasterWritePixels()' - Write raster pixels.
+ */
+
+unsigned				/* O - Number of bytes written */
+cupsRasterWritePixels(cups_raster_t *r,	/* I - Raster stream */
+                      unsigned char *p,	/* I - Bytes to write */
+		      unsigned      len)/* I - Number of bytes to write */
+{
+  int		bytes;			/* Bytes read */
+  unsigned	remaining;		/* Bytes remaining */
+
+
+  if (r == NULL || r->mode != CUPS_RASTER_WRITE)
+    return (0);
+
+  remaining = len;
+
+  while (remaining > 0)
+  {
+    bytes = write(r->fd, p, remaining);
+
+    if (bytes <= 0)
+    {
+      if (errno != EAGAIN && errno != EINTR)
+        return (0);
+      else
+        continue;
+    }
+
+    remaining -= bytes;
+    p += bytes;
+  }
+
+  return (len);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/raster.h b/filter/raster.h
new file mode 100644
index 000000000..00cefe2bc
--- /dev/null
+++ b/filter/raster.h
@@ -0,0 +1,233 @@
+/*
+ * "$Id$"
+ *
+ *   Raster file definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights for the CUPS Raster source
+ *   files are outlined in the GNU Library General Public License, located
+ *   in the "pstoraster" directory.  If this file is missing or damaged
+ *   please contact Easy Software Products at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   This code and any derivative of it may be used and distributed
+ *   freely under the terms of the GNU General Public License when
+ *   used with GNU Ghostscript or its derivatives.  Use of the code
+ *   (or any derivative of it) with software other than GNU
+ *   GhostScript (or its derivatives) is governed by the CUPS license
+ *   agreement.
+ */
+
+#ifndef _CUPS_RASTER_H_
+#  define _CUPS_RASTER_H_
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+/*
+ * Every non-PostScript printer driver that supports raster images should
+ * use the application/vnd.cups-raster image file format.  Since both the
+ * PostScript RIP (pstoraster, based on GNU Ghostscript 4.03) and Image RIP
+ * (imagetoraster, located in the filter directory) use it, using this format
+ * saves you a lot of work.  Also, the PostScript RIP passes any printer
+ * options that are in a PS file to your driver this way as well...
+ */
+
+/*
+ * Constants...
+ */
+
+#  define CUPS_RASTER_SYNC	0x52615374	/* RaSt */
+#  define CUPS_RASTER_REVSYNC	0x74536152	/* tSaR */
+
+
+/*
+ * Types...
+ */
+
+typedef enum
+{
+  CUPS_RASTER_READ,			/* Open stream for reading */
+  CUPS_RASTER_WRITE			/* Open stream for writing */
+} cups_mode_t;
+
+typedef enum
+{
+  CUPS_FALSE,				/* Logical false */
+  CUPS_TRUE				/* Logical true */
+} cups_bool_t;
+
+typedef enum
+{
+  CUPS_JOG_NONE,			/* Never move pages */
+  CUPS_JOG_FILE,			/* Move pages after this file */
+  CUPS_JOG_JOB,				/* Move pages after this job */
+  CUPS_JOG_SET				/* Move pages after this set */
+} cups_jog_t;
+
+typedef enum
+{
+  CUPS_ORIENT_0,			/* Don't rotate the page */
+  CUPS_ORIENT_90,			/* Rotate the page counter-clockwise */
+  CUPS_ORIENT_180,			/* Turn the page upside down */
+  CUPS_ORIENT_270			/* Rotate the page clockwise */
+} cups_orient_t;
+
+typedef enum
+{
+  CUPS_CUT_NONE,			/* Never cut the roll */
+  CUPS_CUT_FILE,			/* Cut the roll after this file */
+  CUPS_CUT_JOB,				/* Cut the roll after this job */
+  CUPS_CUT_SET,				/* Cut the roll after this set */
+  CUPS_CUT_PAGE				/* Cut the roll after this page */
+} cups_cut_t;
+
+typedef enum
+{
+  CUPS_ADVANCE_NONE,			/* Never advance the roll */
+  CUPS_ADVANCE_FILE,			/* Advance the roll after this file */
+  CUPS_ADVANCE_JOB,			/* Advance the roll after this job */
+  CUPS_ADVANCE_SET,			/* Advance the roll after this set */
+  CUPS_ADVANCE_PAGE			/* Advance the roll after this page */
+} cups_adv_t;
+
+typedef enum
+{
+  CUPS_EDGE_TOP,			/* Leading edge is the top of the page */
+  CUPS_EDGE_RIGHT,			/* Leading edge is the right of the page */
+  CUPS_EDGE_BOTTOM,			/* Leading edge is the bottom of the page */
+  CUPS_EDGE_LEFT			/* Leading edge is the left of the page */
+} cups_edge_t;
+
+typedef enum
+{
+  CUPS_ORDER_CHUNKED,			/* CMYK CMYK CMYK ... */
+  CUPS_ORDER_BANDED,			/* CCC MMM YYY KKK ... */
+  CUPS_ORDER_PLANAR			/* CCC ... MMM ... YYY ... KKK ... */
+} cups_order_t;
+
+typedef enum
+{
+  CUPS_CSPACE_W,			/* Luminance */
+  CUPS_CSPACE_RGB,			/* Red, green, blue */
+  CUPS_CSPACE_RGBA,			/* Red, green, blue, alpha */
+  CUPS_CSPACE_K,			/* Black */
+  CUPS_CSPACE_CMY,			/* Cyan, magenta, yellow */
+  CUPS_CSPACE_YMC,			/* Yellow, magenta, cyan */
+  CUPS_CSPACE_CMYK,			/* Cyan, magenta, yellow, black */
+  CUPS_CSPACE_YMCK,			/* Yellow, magenta, cyan, black */
+  CUPS_CSPACE_KCMY,			/* Black, cyan, magenta, yellow */
+  CUPS_CSPACE_KCMYcm,			/* Black, cyan, magenta, yellow, *
+					 * light-cyan, light-magenta     */
+  CUPS_CSPACE_GMCK,			/* Gold, magenta, yellow, black */
+  CUPS_CSPACE_GMCS,			/* Gold, magenta, yellow, silver */
+  CUPS_CSPACE_WHITE,			/* White ink (as black) */
+  CUPS_CSPACE_GOLD,			/* Gold foil */
+  CUPS_CSPACE_SILVER			/* Silver foil */
+} cups_cspace_t;
+
+
+/*
+ * The page header structure contains the standard PostScript page device
+ * dictionary, along with some CUPS-specific parameters that are provided
+ * by the RIPs...
+ */
+
+typedef struct
+{
+  /**** Standard Page Device Dictionary String Values ****/
+  char		MediaClass[64];		/* MediaClass string */
+  char		MediaColor[64];		/* MediaColor string */
+  char		MediaType[64];		/* MediaType string */
+  char		OutputType[64];		/* OutputType string */
+
+  /**** Standard Page Device Dictionary Integer Values ****/
+  unsigned	AdvanceDistance;	/* AdvanceDistance value in points */
+  cups_adv_t	AdvanceMedia;		/* AdvanceMedia value (see above) */
+  cups_bool_t	Collate;		/* Collated copies value */
+  cups_cut_t	CutMedia;		/* CutMedia value (see above) */
+  cups_bool_t	Duplex;			/* Duplexed (double-sided) value */
+  unsigned	HWResolution[2];	/* Resolution in dots-per-inch */
+  unsigned	ImagingBoundingBox[4];	/* Pixel region that is painted (points) */
+  cups_bool_t	InsertSheet;		/* InsertSheet value */
+  cups_jog_t	Jog;			/* Jog value (see above) */
+  cups_edge_t	LeadingEdge;		/* LeadingEdge value (see above) */
+  unsigned	Margins[2];		/* Lower-lefthand margins in points */
+  cups_bool_t	ManualFeed;		/* ManualFeed value */
+  unsigned	MediaPosition;		/* MediaPosition value */
+  unsigned	MediaWeight;		/* MediaWeight value in grams/m^2 */
+  cups_bool_t	MirrorPrint;		/* MirrorPrint value */
+  cups_bool_t	NegativePrint;		/* NegativePrint value */
+  unsigned	NumCopies;		/* Number of copies to produce */
+  cups_orient_t	Orientation;		/* Orientation value (see above) */
+  cups_bool_t	OutputFaceUp;		/* OutputFaceUp value */
+  unsigned	PageSize[2];		/* Width and length of page in points */
+  cups_bool_t	Separations;		/* Separations value */
+  cups_bool_t	TraySwitch;		/* TraySwitch value */
+  cups_bool_t	Tumble;			/* Tumble value */
+
+  /**** CUPS Page Device Dictionary Values ****/
+  unsigned	cupsWidth;		/* Width of page image in pixels */
+  unsigned	cupsHeight;		/* Height of page image in pixels */
+  unsigned	cupsMediaType;		/* Media type code */
+  unsigned	cupsBitsPerColor;	/* Number of bits for each color */
+  unsigned	cupsBitsPerPixel;	/* Number of bits for each pixel */
+  unsigned	cupsBytesPerLine;	/* Number of bytes per line */
+  cups_order_t	cupsColorOrder;		/* Order of colors */
+  cups_cspace_t	cupsColorSpace;		/* True colorspace */
+  unsigned	cupsCompression;	/* Device compression to use */
+  unsigned	cupsRowCount;		/* Rows per band */
+  unsigned	cupsRowFeed;		/* Feed between bands */
+  unsigned	cupsRowStep;		/* Spacing between lines */
+} cups_page_header_t;
+
+
+/*
+ * The raster structure maintains information about a raster data
+ * stream...
+ */
+
+typedef struct
+{
+  unsigned	sync;			/* Sync word from start of stream */
+  int		fd;			/* File descriptor */
+  cups_mode_t	mode;			/* Read/write mode */
+} cups_raster_t;
+
+
+/*
+ * Prototypes...
+ */
+
+extern void		cupsRasterClose(cups_raster_t *r);
+extern cups_raster_t	*cupsRasterOpen(int fd, cups_mode_t mode);
+extern unsigned		cupsRasterReadHeader(cups_raster_t *r,
+			                     cups_page_header_t *h);
+extern unsigned		cupsRasterReadPixels(cups_raster_t *r,
+			                     unsigned char *p, unsigned len);
+extern unsigned		cupsRasterWriteHeader(cups_raster_t *r,
+			                      cups_page_header_t *h);
+extern unsigned		cupsRasterWritePixels(cups_raster_t *r,
+			                      unsigned char *p, unsigned len);
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+
+#endif /* !_CUPS_RASTER_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/rastertodymo.c b/filter/rastertodymo.c
new file mode 100644
index 000000000..aef71745d
--- /dev/null
+++ b/filter/rastertodymo.c
@@ -0,0 +1,361 @@
+/*
+ * "$Id$"
+ *
+ *   DYMO label printer filter for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 2001 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   Setup()        - Prepare the printer for printing.
+ *   StartPage()    - Start a page of graphics.
+ *   EndPage()      - Finish a page of graphics.
+ *   Shutdown()     - Shutdown the printer.
+ *   CancelJob()    - Cancel the current job...
+ *   CompressData() - Compress a line of graphics.
+ *   OutputLine()   - Output a line of graphics.
+ *   main()         - Main entry and processing of driver.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <cups/string.h>
+#include "raster.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+
+
+/*
+ * Globals...
+ */
+
+unsigned char	*Buffer;		/* Output buffer */
+int		Page,			/* Current page */
+		Feed;			/* Number of lines to skip */
+
+
+/*
+ * Prototypes...
+ */
+
+void	Setup(void);
+void	StartPage(cups_page_header_t *header);
+void	EndPage(void);
+
+void	CancelJob(int sig);
+
+/**** MRS - supported resolutions = 136, 203, 300 ****/
+
+
+/*
+ * 'Setup()' - Prepare the printer for printing.
+ */
+
+void
+Setup(void)
+{
+  int	i;		/* Looping var */
+
+
+ /*
+  * Clear any remaining data...
+  */
+
+  for (i = 0; i < 100; i ++)
+    putchar(0x1b);
+}
+
+
+/*
+ * 'StartPage()' - Start a page of graphics.
+ */
+
+void
+StartPage(cups_page_header_t *header)	/* I - Page header */
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;		/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Register a signal handler to eject the current page if the
+  * job is cancelled.
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGTERM, CancelJob);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = CancelJob;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  signal(SIGTERM, CancelJob);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Setup printer/job attributes...
+  */
+
+  printf("\033L%c%c", header->cupsHeight, header->cupsHeight >> 8);
+  printf("\033D%c", header->cupsBytesPerLine);
+
+  printf("\033%c", header->cupsCompression + 'c'); /* Darkness */
+
+ /*
+  * Allocate memory for a line of graphics...
+  */
+
+  Buffer = malloc(header->cupsBytesPerLine);
+  Feed   = 0;
+}
+
+
+/*
+ * 'EndPage()' - Finish a page of graphics.
+ */
+
+void
+EndPage(void)
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Eject the current page...
+  */
+
+  printf("\033E");
+
+  fflush(stdout);
+
+ /*
+  * Unregister the signal handler...
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = SIG_IGN;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Free memory...
+  */
+
+  free(Buffer);
+}
+
+
+/*
+ * 'CancelJob()' - Cancel the current job...
+ */
+
+void
+CancelJob(int sig)			/* I - Signal */
+{
+  int	i;				/* Looping var */
+
+
+  (void)sig;
+
+ /*
+  * Send out lots of ESC bytes to clear out any pending raster data...
+  */
+
+  for (i = 0; i < 100; i ++)
+    putchar(0x1b);
+
+ /*
+  * End the current page and exit...
+  */
+
+  EndPage();
+
+  exit(0);
+}
+
+
+/*
+ * 'main()' - Main entry and processing of driver.
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int			fd;	/* File descriptor */
+  cups_raster_t		*ras;	/* Raster stream for printing */
+  cups_page_header_t	header;	/* Page header from file */
+  int			y;	/* Current line */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+   /*
+    * We don't have the correct number of arguments; write an error message
+    * and return.
+    */
+
+    fputs("ERROR: rastertodymo job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Open the page stream...
+  */
+
+  if (argc == 7)
+  {
+    if ((fd = open(argv[6], O_RDONLY)) == -1)
+    {
+      perror("ERROR: Unable to open raster file - ");
+      sleep(1);
+      return (1);
+    }
+  }
+  else
+    fd = 0;
+
+  ras = cupsRasterOpen(fd, CUPS_RASTER_READ);
+
+ /*
+  * Initialize the print device...
+  */
+
+  Setup();
+
+ /*
+  * Process pages as needed...
+  */
+
+  Page = 0;
+
+  while (cupsRasterReadHeader(ras, &header))
+  {
+   /*
+    * Write a status message with the page number and number of copies.
+    */
+
+    Page ++;
+
+    fprintf(stderr, "PAGE: %d 1\n", Page);
+
+   /*
+    * Start the page...
+    */
+
+    StartPage(&header);
+
+   /*
+    * Loop for each line on the page...
+    */
+
+    for (y = 0; y < header.cupsHeight; y ++)
+    {
+     /*
+      * Let the user know how far we have progressed...
+      */
+
+      if ((y & 15) == 0)
+        fprintf(stderr, "INFO: Printing page %d, %d%% complete...\n", Page,
+	        100 * y / header.cupsHeight);
+
+     /*
+      * Read a line of graphics...
+      */
+
+      if (cupsRasterReadPixels(ras, Buffer, header.cupsBytesPerLine) < 1)
+        break;
+
+     /*
+      * See if the line is blank; if not, write it to the printer...
+      */
+
+      if (Buffer[0] ||
+          memcmp(Buffer, Buffer + 1, header.cupsBytesPerLine - 1))
+      {
+        if (Feed)
+	{
+	  printf("\033f\001%c", Feed);
+	  Feed = 0;
+        }
+        putchar(0x16);
+	fwrite(Buffer, header.cupsBytesPerLine, 1, stdout);
+      }
+      else
+        Feed ++;
+    }
+
+   /*
+    * Eject the page...
+    */
+
+    EndPage();
+  }
+
+ /*
+  * Close the raster stream...
+  */
+
+  cupsRasterClose(ras);
+  if (fd != 0)
+    close(fd);
+
+ /*
+  * If no pages were printed, send an error message...
+  */
+
+  if (Page == 0)
+    fputs("ERROR: No pages found!\n", stderr);
+  else
+    fputs("INFO: " CUPS_SVERSION " is ready to print.\n", stderr);
+
+  return (Page == 0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/rastertoepson.c b/filter/rastertoepson.c
new file mode 100644
index 000000000..7615adf5e
--- /dev/null
+++ b/filter/rastertoepson.c
@@ -0,0 +1,1131 @@
+/*
+ * "$Id$"
+ *
+ *   EPSON ESC/P and ESC/P2 filter for the Common UNIX Printing System
+ *   (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   Setup()        - Prepare the printer for printing.
+ *   StartPage()    - Start a page of graphics.
+ *   EndPage()      - Finish a page of graphics.
+ *   Shutdown()     - Shutdown the printer.
+ *   CompressData() - Compress a line of graphics.
+ *   OutputLine()   - Output a line of graphics.
+ *   main()         - Main entry and processing of driver.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <cups/ppd.h>
+#include <cups/string.h>
+#include "raster.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+
+
+/*
+ * Model numbers...
+ */
+
+#define EPSON_9PIN	0
+#define EPSON_24PIN	1
+#define EPSON_COLOR	2
+#define EPSON_PHOTO	3
+#define EPSON_ICOLOR	4
+#define EPSON_IPHOTO	5
+
+
+/*
+ * Macros...
+ */
+
+#define pwrite(s,n) fwrite((s), 1, (n), stdout)
+
+
+/*
+ * Globals...
+ */
+
+unsigned char	*Planes[6],		/* Output buffers */
+		*CompBuffer,		/* Compression buffer */
+		*LineBuffers[2];	/* Line bitmap buffers */
+int		Model,			/* Model number */
+		NumPlanes,		/* Number of color planes */
+		Feed;			/* Number of lines to skip */
+int		DotBit,			/* Bit in buffers */
+		DotBytes,		/* # bytes in a dot column */
+		DotColumns,		/* # columns in 1/60 inch */
+		LineCount,		/* # of lines processed */
+		EvenOffset,		/* Offset into 'even' buffers */
+		OddOffset,		/* Offset into 'odd' buffers */
+		Shingling;		/* Shingle output? */
+
+
+/*
+ * Prototypes...
+ */
+
+void	Setup(void);
+void	StartPage(const ppd_file_t *ppd, const cups_page_header_t *header);
+void	EndPage(const cups_page_header_t *header);
+void	Shutdown(void);
+
+void	CancelJob(int sig);
+void	CompressData(const unsigned char *line, int length, int plane,
+	             int type, int xstep, int ystep);
+void	OutputLine(const cups_page_header_t *header);
+void	OutputRows(const cups_page_header_t *header, int row);
+
+
+/*
+ * 'Setup()' - Prepare the printer for printing.
+ */
+
+void
+Setup(void)
+{
+  const char	*device_uri;	/* The device for the printer... */
+
+
+ /*
+  * EPSON USB printers need an additional command issued at the
+  * beginning of each job to exit from "packet" mode...
+  */
+
+  if ((device_uri = getenv("DEVICE_URI")) != NULL &&
+      strncmp(device_uri, "usb:", 4) == 0)
+    pwrite("\000\000\000\033\001@EJL 1284.4\n@EJL     \n\033@", 29);
+}
+
+
+/*
+ * 'StartPage()' - Start a page of graphics.
+ */
+
+void
+StartPage(const ppd_file_t         *ppd,	/* I - PPD file */
+          const cups_page_header_t *header)	/* I - Page header */
+{
+  int	n, t;					/* Numbers */
+  int	plane;					/* Looping var */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;			/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Register a signal handler to eject the current page if the
+  * job is cancelled.
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGTERM, CancelJob);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = CancelJob;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  signal(SIGTERM, CancelJob);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Send a reset sequence.
+  */
+
+  if (ppd->nickname && strstr(ppd->nickname, "OKIDATA") != NULL)
+    printf("\033{A");	/* Set EPSON emulation mode */
+
+  printf("\033@");
+
+ /*
+  * See which type of printer we are using...
+  */
+
+  Model = ppd->model_number;
+
+  switch (ppd->model_number)
+  {
+    case EPSON_9PIN :
+    case EPSON_24PIN :
+        printf("\033P");		/* Set 10 CPI */
+
+	if (header->HWResolution[0] == 360 || header->HWResolution[0] == 240)
+	{
+	  printf("\033x1");		/* LQ printing */
+	  printf("\033U1");		/* Unidirectional */
+	}
+	else
+	{
+	  printf("\033x0");		/* Draft printing */
+	  printf("\033U0");		/* Bidirectional */
+	}
+
+	printf("\033l%c\033Q%c", 0,	/* Side margins */
+                      (int)(10.0 * header->PageSize[0] / 72.0 + 0.5));
+	printf("\033C%c%c", 0,		/* Page length */
+                      (int)(header->PageSize[1] / 72.0 + 0.5));
+	printf("\033N%c", 0);		/* Bottom margin */
+
+       /*
+	* Setup various buffer limits...
+	*/
+
+        DotBytes   = header->cupsRowCount / 8;
+	DotColumns = header->HWResolution[0] / 60;
+        Shingling  = 0;
+
+        if (ppd->model_number == EPSON_9PIN)
+	  printf("\033\063\030");	/* Set line feed */
+	else
+	  switch (header->HWResolution[0])
+	  {
+	    case 60:
+	    case 120 :
+        	printf("\033\063\030");	/* Set line feed */
+		break;
+
+	    case 180 :
+	    case 360 :
+        	Shingling = 1;
+
+        	if (header->HWResolution[1] == 180)
+        	  printf("\033\063\010");/* Set line feed */
+		else
+        	  printf("\033+\010");	/* Set line feed */
+        	break;
+	  }
+        break;
+
+    default :
+       /*
+	* Set graphics mode...
+	*/
+
+	pwrite("\033(G\001\000\001", 6);	/* Graphics mode */
+
+       /*
+	* Set the media size...
+	*/
+
+        if (Model < EPSON_ICOLOR)
+	{
+	  pwrite("\033(U\001\000", 5);		/* Resolution/units */
+	  putchar(3600 / header->HWResolution[1]);
+        }
+	else
+	{
+	  pwrite("\033(U\005\000", 5);
+	  putchar(1440 / header->HWResolution[1]);
+	  putchar(1440 / header->HWResolution[1]);
+	  putchar(1440 / header->HWResolution[0]);
+	  putchar(0xa0);	/* n/1440ths... */
+	  putchar(0x05);
+	}
+
+	n = header->PageSize[1] * header->HWResolution[1] / 72.0;
+
+	pwrite("\033(C\002\000", 5);		/* Page length */
+	putchar(n);
+	putchar(n >> 8);
+
+	t = (ppd->sizes[1].length - ppd->sizes[1].top) *
+	    header->HWResolution[1] / 72.0;
+
+	pwrite("\033(c\004\000", 5);		/* Top & bottom margins */
+	putchar(t);
+	putchar(t >> 8);
+	putchar(n);
+	putchar(n >> 8);
+
+	if (header->HWResolution[1] == 720)
+	{
+	  pwrite("\033(i\001\000\001", 6);	/* Microweave */
+	  pwrite("\033(e\002\000\000\001", 7);	/* Small dots */
+	}
+
+	pwrite("\033(V\002\000\000\000", 7);	/* Set absolute position 0 */
+
+        DotBytes   = 0;
+	DotColumns = 0;
+        Shingling  = 0;
+        break;
+  }
+
+ /*
+  * Set other stuff...
+  */
+
+  if (header->cupsColorSpace == CUPS_CSPACE_CMY)
+    NumPlanes = 3;
+  else if (header->cupsColorSpace == CUPS_CSPACE_KCMY)
+    NumPlanes = 4;
+  else if (header->cupsColorSpace == CUPS_CSPACE_KCMYcm)
+    NumPlanes = 6;
+  else
+    NumPlanes = 1;
+
+  Feed = 0;				/* No blank lines yet */
+
+ /*
+  * Allocate memory for a line/row of graphics...
+  */
+
+  Planes[0] = malloc(header->cupsBytesPerLine);
+  for (plane = 1; plane < NumPlanes; plane ++)
+    Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes;
+
+  if (header->cupsCompression || DotBytes)
+    CompBuffer = calloc(2, header->cupsWidth);
+  else
+    CompBuffer = NULL;
+
+  if (DotBytes)
+  {
+    LineBuffers[0] = calloc(DotBytes, header->cupsWidth * (Shingling + 1));
+    LineBuffers[1] = LineBuffers[0] + DotBytes * header->cupsWidth;
+    DotBit         = 128;
+    LineCount      = 0;
+    EvenOffset     = 0;
+    OddOffset      = 0;
+  }
+}
+
+
+/*
+ * 'EndPage()' - Finish a page of graphics.
+ */
+
+void
+EndPage(const cups_page_header_t *header)	/* I - Page header */
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;			/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+  if (DotBytes && header)
+  {
+   /*
+    * Flush remaining graphics as needed...
+    */
+
+    if (!Shingling)
+      OutputRows(header, 0);
+    else if (OddOffset > EvenOffset)
+    {
+      OutputRows(header, 1);
+      OutputRows(header, 0);
+    }
+    else
+    {
+      OutputRows(header, 0);
+      OutputRows(header, 1);
+    }
+  }
+
+ /*
+  * Eject the current page...
+  */
+
+  putchar(12);		/* Form feed */
+  fflush(stdout);
+
+ /*
+  * Unregister the signal handler...
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = SIG_IGN;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Free memory...
+  */
+
+  free(Planes[0]);
+
+  if (CompBuffer)
+    free(CompBuffer);
+
+  if (DotBytes)
+    free(LineBuffers[0]);
+}
+
+
+/*
+ * 'Shutdown()' - Shutdown the printer.
+ */
+
+void
+Shutdown(void)
+{
+ /*
+  * Send a reset sequence.
+  */
+
+  printf("\033@");
+}
+
+
+/*
+ * 'CancelJob()' - Cancel the current job...
+ */
+
+void
+CancelJob(int sig)			/* I - Signal */
+{
+  int	i;				/* Looping var */
+
+
+  (void)sig;
+
+ /*
+  * Send out lots of NUL bytes to clear out any pending raster data...
+  */
+
+  if (DotBytes)
+    i = DotBytes * 360 * 8;
+  else
+    i = 720;
+
+  for (; i > 0; i --)
+    putchar(0);
+
+ /*
+  * End the current page and exit...
+  */
+
+  EndPage(NULL);
+  Shutdown();
+
+  exit(0);
+}
+
+
+/*
+ * 'CompressData()' - Compress a line of graphics.
+ */
+
+void
+CompressData(const unsigned char *line,	/* I - Data to compress */
+             int                 length,/* I - Number of bytes */
+	     int                 plane,	/* I - Color plane */
+	     int                 type,	/* I - Type of compression */
+	     int                 xstep,	/* I - X resolution */
+	     int                 ystep)	/* I - Y resolution */
+{
+  const unsigned char	*line_ptr,	/* Current byte pointer */
+        		*line_end,	/* End-of-line byte pointer */
+        		*start;		/* Start of compression sequence */
+  unsigned char      	*comp_ptr,	/* Pointer into compression buffer */
+			temp;		/* Current byte */
+  int   	        count;		/* Count of bytes for output */
+  static int		ctable[6] = { 0, 2, 1, 4, 18, 17 };
+					/* KCMYcm color values */
+
+
+ /*
+  * Setup pointers...
+  */
+
+  line_ptr = line;
+  line_end = line + length;
+
+ /*
+  * Do depletion for 720 DPI printing...
+  */
+
+  if (ystep == 5)
+  {
+    for (comp_ptr = (unsigned char *)line; comp_ptr < line_end;)
+    {
+     /*
+      * Grab the current byte...
+      */
+
+      temp = *comp_ptr;
+
+     /*
+      * Check adjacent bits...
+      */
+
+      if ((temp & 0xc0) == 0xc0)
+        temp &= 0xbf;
+      if ((temp & 0x60) == 0x60)
+        temp &= 0xdf;
+      if ((temp & 0x30) == 0x30)
+        temp &= 0xef;
+      if ((temp & 0x18) == 0x18)
+        temp &= 0xf7;
+      if ((temp & 0x0c) == 0x0c)
+        temp &= 0xfb;
+      if ((temp & 0x06) == 0x06)
+        temp &= 0xfd;
+      if ((temp & 0x03) == 0x03)
+        temp &= 0xfe;
+
+      *comp_ptr++ = temp;
+
+     /*
+      * Check the last bit in the current byte and the first bit in the
+      * next byte...
+      */
+
+      if ((temp & 0x01) && comp_ptr < line_end && *comp_ptr & 0x80)
+        *comp_ptr &= 0x7f;
+    }
+  }
+
+  switch (type)
+  {
+    case 0 :
+       /*
+	* Do no compression...
+	*/
+	break;
+
+    case 1 :
+       /*
+        * Do TIFF pack-bits encoding...
+        */
+
+	comp_ptr = CompBuffer;
+
+	while (line_ptr < line_end)
+	{
+	  if ((line_ptr + 1) >= line_end)
+	  {
+	   /*
+	    * Single byte on the end...
+	    */
+
+	    *comp_ptr++ = 0x00;
+	    *comp_ptr++ = *line_ptr++;
+	  }
+	  else if (line_ptr[0] == line_ptr[1])
+	  {
+	   /*
+	    * Repeated sequence...
+	    */
+
+	    line_ptr ++;
+	    count = 2;
+
+	    while (line_ptr < (line_end - 1) &&
+        	   line_ptr[0] == line_ptr[1] &&
+        	   count < 127)
+	    {
+              line_ptr ++;
+              count ++;
+	    }
+
+	    *comp_ptr++ = 257 - count;
+	    *comp_ptr++ = *line_ptr++;
+	  }
+	  else
+	  {
+	   /*
+	    * Non-repeated sequence...
+	    */
+
+	    start    = line_ptr;
+	    line_ptr ++;
+	    count    = 1;
+
+	    while (line_ptr < (line_end - 1) &&
+        	   line_ptr[0] != line_ptr[1] &&
+        	   count < 127)
+	    {
+              line_ptr ++;
+              count ++;
+	    }
+
+	    *comp_ptr++ = count - 1;
+
+	    memcpy(comp_ptr, start, count);
+	    comp_ptr += count;
+	  }
+	}
+
+        line_ptr = CompBuffer;
+        line_end = comp_ptr;
+	break;
+  }
+
+  putchar(0x0d);			/* Move print head to left margin */
+
+  if (Model < EPSON_ICOLOR)
+  {
+   /*
+    * Do graphics the "old" way...
+    */
+
+    if (NumPlanes > 1)
+    {
+     /*
+      * Set the color...
+      */
+
+      if (plane > 3)
+	printf("\033(r%c%c%c%c", 2, 0, 1, ctable[plane] & 15);
+					  /* Set extended color */
+      else if (NumPlanes == 3)
+	printf("\033r%c", ctable[plane + 1]);
+					  /* Set color */
+      else
+	printf("\033r%c", ctable[plane]);	/* Set color */
+    }
+
+   /*
+    * Send a raster plane...
+    */
+
+    length *= 8;
+    printf("\033.");			/* Raster graphics */
+    putchar(type);
+    putchar(ystep);
+    putchar(xstep);
+    putchar(1);
+    putchar(length);
+    putchar(length >> 8);
+  }
+  else
+  {
+   /*
+    * Do graphics the "new" way...
+    */
+
+    printf("\033i");
+    putchar(ctable[plane]);
+    putchar(type);
+    putchar(1);
+    putchar(length & 255);
+    putchar(length >> 8);
+    putchar(1);
+    putchar(0);
+  }
+
+  pwrite(line_ptr, line_end - line_ptr);
+  fflush(stdout);
+}
+
+
+/*
+ * 'OutputLine()' - Output a line of graphics.
+ */
+
+void
+OutputLine(const cups_page_header_t *header)	/* I - Page header */
+{
+  if (header->cupsRowCount)
+  {
+    int			width;
+    unsigned char	*tempptr,
+			*evenptr,
+			*oddptr;
+    register int	x;
+    unsigned char	bit;
+    const unsigned char	*pixel;
+    unsigned char 	*temp;
+
+
+   /*
+    * Collect bitmap data in the line buffers and write after each buffer.
+    */
+
+    for (x = header->cupsWidth, bit = 128, pixel = Planes[0],
+             temp = CompBuffer;
+	 x > 0;
+	 x --, temp ++)
+    {
+      if (*pixel & bit)
+        *temp |= DotBit;
+
+      if (bit > 1)
+	bit >>= 1;
+      else
+      {
+	bit = 128;
+	pixel ++;
+      }
+    }
+
+    if (DotBit > 1)
+      DotBit >>= 1;
+    else
+    {
+     /*
+      * Copy the holding buffer to the output buffer, shingling as necessary...
+      */
+
+      if (Shingling && LineCount != 0)
+      {
+       /*
+        * Shingle the output...
+        */
+
+        if (LineCount & 1)
+        {
+          evenptr = LineBuffers[1] + OddOffset;
+          oddptr  = LineBuffers[0] + EvenOffset + DotBytes;
+        }
+        else
+        {
+          evenptr = LineBuffers[0] + EvenOffset;
+          oddptr  = LineBuffers[1] + OddOffset + DotBytes;
+        }
+
+        for (width = header->cupsWidth, tempptr = CompBuffer;
+             width > 0;
+             width -= 2, tempptr += 2, oddptr += DotBytes * 2,
+	         evenptr += DotBytes * 2)
+        {
+          evenptr[0] = tempptr[0];
+          oddptr[0]  = tempptr[1];
+        }
+      }
+      else
+      {
+       /*
+        * Don't shingle the output...
+        */
+
+        for (width = header->cupsWidth, tempptr = CompBuffer,
+                 evenptr = LineBuffers[0] + EvenOffset;
+             width >= 0;
+             width --, tempptr ++, evenptr += DotBytes)
+          *evenptr = tempptr[0];
+      }
+
+      if (Shingling && LineCount != 0)
+      {
+	EvenOffset ++;
+	OddOffset ++;
+
+	if (EvenOffset == DotBytes)
+	{
+	  EvenOffset = 0;
+	  OutputRows(header, 0);
+	}
+
+	if (OddOffset == DotBytes)
+	{
+          OddOffset = 0;
+	  OutputRows(header, 1);
+	}
+      }
+      else
+      {
+	EvenOffset ++;
+
+	if (EvenOffset == DotBytes)
+	{
+          EvenOffset = 0;
+	  OutputRows(header, 0);
+	}
+      }
+
+      DotBit = 128;
+      LineCount ++;
+
+      memset(CompBuffer, 0, header->cupsWidth);
+    }
+  }
+  else
+  {
+    int	plane;		/* Current plane */
+    int	bytes;		/* Bytes per plane */
+    int	xstep, ystep;	/* X & Y resolutions */
+
+
+   /*
+    * Write a single line of bitmap data as needed...
+    */
+
+    xstep = 3600 / header->HWResolution[0];
+    ystep = 3600 / header->HWResolution[1];
+    bytes = header->cupsBytesPerLine / NumPlanes;
+
+    for (plane = 0; plane < NumPlanes; plane ++)
+    {
+     /*
+      * Skip blank data...
+      */
+
+      if (!Planes[plane][0] &&
+          memcmp(Planes[plane], Planes[plane] + 1, bytes - 1) == 0)
+	continue;
+
+     /*
+      * Output whitespace as needed...
+      */
+
+      if (Feed > 0)
+      {
+	pwrite("\033(v\002\000", 5);	/* Relative vertical position */
+	putchar(Feed);
+	putchar(Feed >> 8);
+
+	Feed = 0;
+      }
+
+      CompressData(Planes[plane], bytes, plane, header->cupsCompression, xstep,
+                   ystep);
+    }
+
+    Feed ++;
+  }
+}
+
+
+/*
+ * 'OutputRows()' - Output 8, 24, or 48 rows.
+ */
+
+void
+OutputRows(const cups_page_header_t *header,	/* I - Page image header */
+           int                      row)	/* I - Row number (0 or 1) */
+{
+  unsigned	i, n;				/* Looping vars */
+  int		dot_count,			/* Number of bytes to print */
+                dot_min;			/* Minimum number of bytes */
+  unsigned char *dot_ptr,			/* Pointer to print data */
+		*ptr;				/* Current data */
+
+
+  dot_min = DotBytes * DotColumns;
+
+  if (LineBuffers[row][0] != 0 ||
+      memcmp(LineBuffers[row], LineBuffers[row] + 1,
+             header->cupsWidth * DotBytes - 1))
+  {
+   /*
+    * Skip leading space...
+    */
+
+    i         = 0;
+    dot_count = header->cupsWidth * DotBytes;
+    dot_ptr   = LineBuffers[row];
+
+    while (dot_count >= dot_min && dot_ptr[0] == 0 &&
+           memcmp(dot_ptr, dot_ptr + 1, dot_min - 1) == 0)
+    {
+      i         ++;
+      dot_ptr   += dot_min;
+      dot_count -= dot_min;
+    }
+
+   /*
+    * Skip trailing space...
+    */
+
+    while (dot_count >= dot_min && dot_ptr[dot_count - dot_min] == 0 &&
+           memcmp(dot_ptr + dot_count - dot_min,
+	          dot_ptr + dot_count - dot_min + 1, dot_min - 1) == 0)
+      dot_count -= dot_min;
+
+   /*
+    * Position print head for printing...
+    */
+
+    putchar(0x1b);
+    putchar('$');
+    putchar(i & 255);
+    putchar(i >> 8);
+
+   /*
+    * Start bitmap graphics for this line...
+    */
+
+    printf("\033*");			/* Select bit image */
+    switch (header->HWResolution[0])
+    {
+      case 60 : /* 60x60/72 DPI gfx */
+          putchar(0);
+          break;
+      case 120 : /* 120x60/72 DPI gfx */
+          putchar(1);
+          break;
+      case 180 : /* 180 DPI gfx */
+          putchar(39);
+          break;
+      case 240 : /* 240x72 DPI gfx */
+          putchar(3);
+          break;
+      case 360 : /* 360x180/360 DPI gfx */
+	  if (header->HWResolution[1] == 180)
+	  {
+            if (Shingling && LineCount != 0)
+              putchar(40);		/* 360x180 fast */
+            else
+              putchar(41);		/* 360x180 slow */
+	  }
+	  else
+          {
+	    if (Shingling && LineCount != 0)
+              putchar(72);		/* 360x360 fast */
+            else
+              putchar(73);		/* 360x360 slow */
+          }
+          break;
+    }
+
+    n = (unsigned)dot_count / DotBytes;
+    putchar(n & 255);
+    putchar(n / 256);
+
+   /*
+    * Write the graphics data...
+    */
+
+    if (header->HWResolution[0] == 120 ||
+        header->HWResolution[0] == 240)
+    {
+     /*
+      * Need to interleave the dots to avoid hosing the print head...
+      */
+
+      for (n = dot_count / 2, ptr = dot_ptr; n > 0; n --, ptr += 2)
+      {
+        putchar(*ptr);
+	putchar(0);
+      }
+
+     /*
+      * Move the head back and print the odd bytes...
+      */
+
+      putchar(0x1b);
+      putchar('$');
+      putchar(i & 255);
+      putchar(i >> 8);
+
+      if (header->HWResolution[0] == 120)
+      	printf("\033*\001");		/* Select bit image */
+      else
+      	printf("\033*\003");		/* Select bit image */
+
+      n = (unsigned)dot_count / DotBytes;
+      putchar(n & 255);
+      putchar(n / 256);
+
+      for (n = dot_count / 2, ptr = dot_ptr + 1; n > 0; n --, ptr += 2)
+      {
+	putchar(0);
+        putchar(*ptr);
+      }
+    }
+    else
+      pwrite(dot_ptr, dot_count);
+  }
+
+ /*
+  * Feed the paper...
+  */
+
+  putchar('\n');
+
+  if (Shingling && row == 1)
+  {
+    if (header->HWResolution[1] == 360)
+      printf("\n\n\n\n");
+    else
+      printf("\n");
+  }
+
+  fflush(stdout);
+
+ /*
+  * Clear the buffer...
+  */
+
+  memset(LineBuffers[row], 0, header->cupsWidth * DotBytes);
+}
+
+
+/*
+ * 'main()' - Main entry and processing of driver.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int			fd;	/* File descriptor */
+  cups_raster_t		*ras;	/* Raster stream for printing */
+  cups_page_header_t	header;	/* Page header from file */
+  ppd_file_t		*ppd;	/* PPD file */
+  int			page;	/* Current page */
+  int			y;	/* Current line */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+   /*
+    * We don't have the correct number of arguments; write an error message
+    * and return.
+    */
+
+    fputs("ERROR: rastertoepson job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Open the page stream...
+  */
+
+  if (argc == 7)
+  {
+    if ((fd = open(argv[6], O_RDONLY)) == -1)
+    {
+      perror("ERROR: Unable to open raster file - ");
+      sleep(1);
+      return (1);
+    }
+  }
+  else
+    fd = 0;
+
+  ras = cupsRasterOpen(fd, CUPS_RASTER_READ);
+
+ /*
+  * Initialize the print device...
+  */
+
+  ppd = ppdOpenFile(getenv("PPD"));
+
+  Setup();
+
+ /*
+  * Process pages as needed...
+  */
+
+  page = 0;
+
+  while (cupsRasterReadHeader(ras, &header))
+  {
+   /*
+    * Write a status message with the page number and number of copies.
+    */
+
+    page ++;
+
+    fprintf(stderr, "PAGE: %d %d\n", page, header.NumCopies);
+
+   /*
+    * Start the page...
+    */
+
+    StartPage(ppd, &header);
+
+   /*
+    * Loop for each line on the page...
+    */
+
+    for (y = 0; y < header.cupsHeight; y ++)
+    {
+     /*
+      * Let the user know how far we have progressed...
+      */
+
+      if ((y & 127) == 0)
+        fprintf(stderr, "INFO: Printing page %d, %d%% complete...\n", page,
+	        100 * y / header.cupsHeight);
+
+     /*
+      * Read a line of graphics...
+      */
+
+      if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1)
+        break;
+
+     /*
+      * Write it to the printer...
+      */
+
+      OutputLine(&header);
+    }
+
+   /*
+    * Eject the page...
+    */
+
+    EndPage(&header);
+  }
+
+ /*
+  * Shutdown the printer...
+  */
+
+  Shutdown();
+
+  ppdClose(ppd);
+
+ /*
+  * Close the raster stream...
+  */
+
+  cupsRasterClose(ras);
+  if (fd != 0)
+    close(fd);
+
+ /*
+  * If no pages were printed, send an error message...
+  */
+
+  if (page == 0)
+    fputs("ERROR: No pages found!\n", stderr);
+  else
+    fputs("INFO: " CUPS_SVERSION " is ready to print.\n", stderr);
+
+  return (page == 0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/rastertohp.c b/filter/rastertohp.c
new file mode 100644
index 000000000..ba13b03e5
--- /dev/null
+++ b/filter/rastertohp.c
@@ -0,0 +1,806 @@
+/*
+ * "$Id$"
+ *
+ *   Hewlett-Packard Page Control Language filter for the Common UNIX
+ *   Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   Setup()        - Prepare the printer for printing.
+ *   StartPage()    - Start a page of graphics.
+ *   EndPage()      - Finish a page of graphics.
+ *   Shutdown()     - Shutdown the printer.
+ *   CancelJob()    - Cancel the current job...
+ *   CompressData() - Compress a line of graphics.
+ *   OutputLine()   - Output a line of graphics.
+ *   main()         - Main entry and processing of driver.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <cups/string.h>
+#include "raster.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+
+
+/*
+ * Globals...
+ */
+
+unsigned char	*Planes[4],		/* Output buffers */
+		*CompBuffer,		/* Compression buffer */
+		*BitBuffer;		/* Buffer for output bits */
+int		NumPlanes,		/* Number of color planes */
+		ColorBits,		/* Number of bits per color */
+		Feed,			/* Number of lines to skip */
+		Duplex,			/* Current duplex mode */
+		Page;			/* Current page number */
+
+
+/*
+ * Prototypes...
+ */
+
+void	Setup(void);
+void	StartPage(ppd_file_t *ppd, cups_page_header_t *header);
+void	EndPage(void);
+void	Shutdown(void);
+
+void	CancelJob(int sig);
+void	CompressData(unsigned char *line, int length, int plane, int type);
+void	OutputLine(cups_page_header_t *header);
+
+
+/*
+ * 'Setup()' - Prepare the printer for printing.
+ */
+
+void
+Setup(void)
+{
+ /*
+  * Send a PCL reset sequence.
+  */
+
+  putchar(0x1b);
+  putchar('E');
+}
+
+
+/*
+ * 'StartPage()' - Start a page of graphics.
+ */
+
+void
+StartPage(ppd_file_t         *ppd,	/* I - PPD file */
+          cups_page_header_t *header)	/* I - Page header */
+{
+  int	plane;				/* Looping var */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;		/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Register a signal handler to eject the current page if the
+  * job is cancelled.
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGTERM, CancelJob);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = CancelJob;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  signal(SIGTERM, CancelJob);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Setup printer/job attributes...
+  */
+
+  Duplex    = header->Duplex;
+  ColorBits = header->cupsBitsPerColor;
+
+  if (!Duplex || (Page & 1))
+  {
+   /*
+    * Set the media type, position, and size...
+    */
+
+    printf("\033&l6D\033&k12H");		/* Set 6 LPI, 10 CPI */
+    printf("\033&l0O");				/* Set portrait orientation */
+
+    switch (header->PageSize[1])
+    {
+      case 540 : /* Monarch Envelope */
+          printf("\033&l80A");			/* Set page size */
+	  break;
+
+      case 624 : /* DL Envelope */
+          printf("\033&l90A");			/* Set page size */
+	  break;
+
+      case 649 : /* C5 Envelope */
+          printf("\033&l91A");			/* Set page size */
+	  break;
+
+      case 684 : /* COM-10 Envelope */
+          printf("\033&l81A");			/* Set page size */
+	  break;
+
+      case 709 : /* B5 Envelope */
+          printf("\033&l100A");			/* Set page size */
+	  break;
+
+      case 756 : /* Executive */
+          printf("\033&l1A");			/* Set page size */
+	  break;
+
+      case 792 : /* Letter */
+          printf("\033&l2A");			/* Set page size */
+	  break;
+
+      case 842 : /* A4 */
+          printf("\033&l26A");			/* Set page size */
+	  break;
+
+      case 1008 : /* Legal */
+          printf("\033&l3A");			/* Set page size */
+	  break;
+
+      case 1191 : /* A3 */
+          printf("\033&l27A");			/* Set page size */
+	  break;
+
+      case 1224 : /* Tabloid */
+          printf("\033&l6A");			/* Set page size */
+	  break;
+    }
+
+    printf("\033&l%dP",				/* Set page length */
+           header->PageSize[1] / 12);
+    printf("\033&l0E");				/* Set top margin to 0 */
+
+    printf("\033&l%dX", header->NumCopies);	/* Set number copies */
+
+    if (header->MediaPosition)
+      printf("\033&l%dH",			/* Set media position */
+             header->MediaPosition);
+
+    if (header->cupsMediaType)
+      printf("\033&l%dM",			/* Set media type */
+             header->cupsMediaType);
+
+    if (header->Duplex)
+      printf("\033&l%dS",			/* Set duplex mode */
+             header->Duplex + header->Tumble);
+
+    printf("\033&l0L");				/* Turn off perforation skip */
+
+    if (ppd && ppd->model_number == 2)
+      printf("\033&l-2H");			/* Load media */
+  }
+  else
+    printf("\033&a2G");				/* Set back side */
+
+ /*
+  * Set graphics mode...
+  */
+
+  printf("\033*t%dR", header->HWResolution[0]);	/* Set resolution */
+
+  if (ppd->model_number == 2)
+  {
+   /*
+    * Figure out the number of color planes...
+    */
+
+    if (header->cupsColorSpace == CUPS_CSPACE_KCMY)
+      NumPlanes = 4;
+    else
+      NumPlanes = 1;
+
+   /*
+    * Send 26-byte configure image data command with horizontal and
+    * vertical resolutions as well as a color count...
+    */
+
+    printf("\033*g26W");
+    putchar(2);					/* Format 2 */
+    putchar(NumPlanes);				/* Output planes */
+
+    putchar(header->HWResolution[0] >> 8);	/* Black resolution */
+    putchar(header->HWResolution[0]);
+    putchar(header->HWResolution[1] >> 8);
+    putchar(header->HWResolution[1]);
+    putchar(0);
+    putchar(1 << ColorBits);			/* # of black levels */
+
+    putchar(header->HWResolution[0] >> 8);	/* Cyan resolution */
+    putchar(header->HWResolution[0]);
+    putchar(header->HWResolution[1] >> 8);
+    putchar(header->HWResolution[1]);
+    putchar(0);
+    putchar(1 << ColorBits);			/* # of cyan levels */
+
+    putchar(header->HWResolution[0] >> 8);	/* Magenta resolution */
+    putchar(header->HWResolution[0]);
+    putchar(header->HWResolution[1] >> 8);
+    putchar(header->HWResolution[1]);
+    putchar(0);
+    putchar(1 << ColorBits);			/* # of magenta levels */
+
+    putchar(header->HWResolution[0] >> 8);	/* Yellow resolution */
+    putchar(header->HWResolution[0]);
+    putchar(header->HWResolution[1] >> 8);
+    putchar(header->HWResolution[1]);
+    putchar(0);
+    putchar(1 << ColorBits);			/* # of yellow levels */
+  }
+  else
+  {
+    if (header->cupsColorSpace == CUPS_CSPACE_KCMY)
+    {
+      NumPlanes = 4;
+      printf("\033*r-4U");			/* Set KCMY graphics */
+    }
+    else if (header->cupsColorSpace == CUPS_CSPACE_CMY)
+    {
+      NumPlanes = 3;
+      printf("\033*r-3U");			/* Set CMY graphics */
+    }
+    else
+      NumPlanes = 1;				/* Black&white graphics */
+  }
+
+ /*
+  * Set size and position of graphics...
+  */
+
+  printf("\033*r%dS", header->cupsWidth);	/* Set width */
+  printf("\033*r%dT", header->cupsHeight);	/* Set height */
+
+  printf("\033&a0H");				/* Set horizontal position */
+
+  if (ppd)
+    printf("\033&a%.0fV", 			/* Set vertical position */
+           10.0 * (ppd->sizes[0].length - ppd->sizes[0].top));
+  else
+    printf("\033&a0V");				/* Set top-of-page */
+
+  printf("\033*r1A");				/* Start graphics */
+
+  if (header->cupsCompression)
+    printf("\033*b%dM",				/* Set compression */
+           header->cupsCompression);
+
+  Feed = 0;					/* No blank lines yet */
+
+ /*
+  * Allocate memory for a line of graphics...
+  */
+
+  Planes[0] = malloc(header->cupsBytesPerLine);
+  for (plane = 1; plane < NumPlanes; plane ++)
+    Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes;
+
+  if (ColorBits > 1)
+    BitBuffer = malloc(ColorBits * ((header->cupsWidth + 7) / 8));
+  else
+    BitBuffer = NULL;
+
+  if (header->cupsCompression)
+    CompBuffer = malloc(header->cupsBytesPerLine * 2);
+  else
+    CompBuffer = NULL;
+}
+
+
+/*
+ * 'EndPage()' - Finish a page of graphics.
+ */
+
+void
+EndPage(void)
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Eject the current page...
+  */
+
+  if (NumPlanes > 1)
+  {
+     printf("\033*rC");			/* End color GFX */
+
+     if (!(Duplex && (Page & 1)))
+       printf("\033&l0H");		/* Eject current page */
+  }
+  else
+  {
+     printf("\033*r0B");		/* End GFX */
+
+     if (!(Duplex && (Page & 1)))
+       printf("\014");			/* Eject current page */
+  }
+
+  fflush(stdout);
+
+ /*
+  * Unregister the signal handler...
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = SIG_IGN;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Free memory...
+  */
+
+  free(Planes[0]);
+
+  if (BitBuffer)
+    free(BitBuffer);
+
+  if (CompBuffer)
+    free(CompBuffer);
+}
+
+
+/*
+ * 'Shutdown()' - Shutdown the printer.
+ */
+
+void
+Shutdown(void)
+{
+ /*
+  * Send a PCL reset sequence.
+  */
+
+  putchar(0x1b);
+  putchar('E');
+}
+
+
+/*
+ * 'CancelJob()' - Cancel the current job...
+ */
+
+void
+CancelJob(int sig)			/* I - Signal */
+{
+  int	i;				/* Looping var */
+
+
+  (void)sig;
+
+ /*
+  * Send out lots of NUL bytes to clear out any pending raster data...
+  */
+
+  for (i = 0; i < 600; i ++)
+    putchar(0);
+
+ /*
+  * End the current page and exit...
+  */
+
+  EndPage();
+  Shutdown();
+
+  exit(0);
+}
+
+
+/*
+ * 'CompressData()' - Compress a line of graphics.
+ */
+
+void
+CompressData(unsigned char *line,	/* I - Data to compress */
+             int           length,	/* I - Number of bytes */
+	     int           plane,	/* I - Color plane */
+	     int           type)	/* I - Type of compression */
+{
+  unsigned char	*line_ptr,		/* Current byte pointer */
+        	*line_end,		/* End-of-line byte pointer */
+        	*comp_ptr,		/* Pointer into compression buffer */
+        	*start;			/* Start of compression sequence */
+  int           count;			/* Count of bytes for output */
+
+
+  switch (type)
+  {
+    default :
+       /*
+	* Do no compression...
+	*/
+
+	line_ptr = line;
+	line_end = line + length;
+	break;
+
+    case 1 :
+       /*
+        * Do run-length encoding...
+        */
+
+	line_end = line + length;
+	for (line_ptr = line, comp_ptr = CompBuffer;
+	     line_ptr < line_end;
+	     comp_ptr += 2, line_ptr += count)
+	{
+	  for (count = 1;
+               (line_ptr + count) < line_end &&
+	           line_ptr[0] == line_ptr[count] &&
+        	   count < 256;
+               count ++);
+
+	  comp_ptr[0] = count - 1;
+	  comp_ptr[1] = line_ptr[0];
+	}
+
+        line_ptr = CompBuffer;
+        line_end = comp_ptr;
+	break;
+
+    case 2 :
+       /*
+        * Do TIFF pack-bits encoding...
+        */
+
+	line_ptr = line;
+	line_end = line + length;
+	comp_ptr = CompBuffer;
+
+	while (line_ptr < line_end)
+	{
+	  if ((line_ptr + 1) >= line_end)
+	  {
+	   /*
+	    * Single byte on the end...
+	    */
+
+	    *comp_ptr++ = 0x00;
+	    *comp_ptr++ = *line_ptr++;
+	  }
+	  else if (line_ptr[0] == line_ptr[1])
+	  {
+	   /*
+	    * Repeated sequence...
+	    */
+
+	    line_ptr ++;
+	    count = 2;
+
+	    while (line_ptr < (line_end - 1) &&
+        	   line_ptr[0] == line_ptr[1] &&
+        	   count < 127)
+	    {
+              line_ptr ++;
+              count ++;
+	    }
+
+	    *comp_ptr++ = 257 - count;
+	    *comp_ptr++ = *line_ptr++;
+	  }
+	  else
+	  {
+	   /*
+	    * Non-repeated sequence...
+	    */
+
+	    start    = line_ptr;
+	    line_ptr ++;
+	    count    = 1;
+
+	    while (line_ptr < (line_end - 1) &&
+        	   line_ptr[0] != line_ptr[1] &&
+        	   count < 127)
+	    {
+              line_ptr ++;
+              count ++;
+	    }
+
+	    *comp_ptr++ = count - 1;
+
+	    memcpy(comp_ptr, start, count);
+	    comp_ptr += count;
+	  }
+	}
+
+        line_ptr = CompBuffer;
+        line_end = comp_ptr;
+	break;
+  }
+
+ /*
+  * Set the length of the data and write a raster plane...
+  */
+
+  printf("\033*b%d%c", line_end - line_ptr, plane);
+  fwrite(line_ptr, line_end - line_ptr, 1, stdout);
+}
+
+
+/*
+ * 'OutputLine()' - Output a line of graphics.
+ */
+
+void
+OutputLine(cups_page_header_t *header)	/* I - Page header */
+{
+  int		plane,			/* Current plane */
+		bytes,			/* Bytes to write */
+		count;			/* Bytes to convert */
+  unsigned char	bit,			/* Current plane data */
+		bit0,			/* Current low bit data */
+		bit1,			/* Current high bit data */
+		*plane_ptr,		/* Pointer into Planes */
+		*bit_ptr;		/* Pointer into BitBuffer */
+
+
+ /*
+  * Output whitespace as needed...
+  */
+
+  if (Feed > 0)
+  {
+    printf("\033*b%dY", Feed);
+    Feed = 0;
+  }
+
+ /*
+  * Write bitmap data as needed...
+  */
+
+  bytes = (header->cupsWidth + 7) / 8;
+
+  for (plane = 0; plane < NumPlanes; plane ++)
+    if (ColorBits == 1)
+    {
+     /*
+      * Send bits as-is...
+      */
+
+      CompressData(Planes[plane], bytes, plane < (NumPlanes - 1) ? 'V' : 'W',
+		   header->cupsCompression);
+    }
+    else
+    {
+     /*
+      * Separate low and high bit data into separate buffers.
+      */
+
+      for (count = header->cupsBytesPerLine / NumPlanes,
+               plane_ptr = Planes[plane], bit_ptr = BitBuffer;
+	   count > 0;
+	   count -= 2, plane_ptr += 2, bit_ptr ++)
+      {
+        bit = plane_ptr[0];
+
+        bit0 = ((bit & 64) << 1) | ((bit & 16) << 2) | ((bit & 4) << 3) | ((bit & 1) << 4);
+        bit1 = (bit & 128) | ((bit & 32) << 1) | ((bit & 8) << 2) | ((bit & 2) << 3);
+
+        if (count > 1)
+	{
+	  bit = plane_ptr[1];
+
+          bit0 |= (bit & 1) | ((bit & 4) >> 1) | ((bit & 16) >> 2) | ((bit & 64) >> 3);
+          bit1 |= ((bit & 2) >> 1) | ((bit & 8) >> 2) | ((bit & 32) >> 3) | ((bit & 128) >> 4);
+	}
+
+        bit_ptr[0]     = bit0;
+	bit_ptr[bytes] = bit1;
+      }
+
+     /*
+      * Send low and high bits...
+      */
+
+      CompressData(BitBuffer, bytes, 'V', header->cupsCompression);
+      CompressData(BitBuffer + bytes, bytes, plane < (NumPlanes - 1) ? 'V' : 'W',
+		   header->cupsCompression);
+    }
+
+  fflush(stdout);
+}
+
+
+/*
+ * 'main()' - Main entry and processing of driver.
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int			fd;	/* File descriptor */
+  cups_raster_t		*ras;	/* Raster stream for printing */
+  cups_page_header_t	header;	/* Page header from file */
+  int			y;	/* Current line */
+  ppd_file_t		*ppd;	/* PPD file */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+   /*
+    * We don't have the correct number of arguments; write an error message
+    * and return.
+    */
+
+    fputs("ERROR: rastertopcl job-id user title copies options [file]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Open the page stream...
+  */
+
+  if (argc == 7)
+  {
+    if ((fd = open(argv[6], O_RDONLY)) == -1)
+    {
+      perror("ERROR: Unable to open raster file - ");
+      sleep(1);
+      return (1);
+    }
+  }
+  else
+    fd = 0;
+
+  ras = cupsRasterOpen(fd, CUPS_RASTER_READ);
+
+ /*
+  * Initialize the print device...
+  */
+
+  ppd = ppdOpenFile(getenv("PPD"));
+
+  Setup();
+
+ /*
+  * Process pages as needed...
+  */
+
+  Page = 0;
+
+  while (cupsRasterReadHeader(ras, &header))
+  {
+   /*
+    * Write a status message with the page number and number of copies.
+    */
+
+    Page ++;
+
+    fprintf(stderr, "PAGE: %d %d\n", Page, header.NumCopies);
+
+   /*
+    * Start the page...
+    */
+
+    StartPage(ppd, &header);
+
+   /*
+    * Loop for each line on the page...
+    */
+
+    for (y = 0; y < header.cupsHeight; y ++)
+    {
+     /*
+      * Let the user know how far we have progressed...
+      */
+
+      if ((y & 127) == 0)
+        fprintf(stderr, "INFO: Printing page %d, %d%% complete...\n", Page,
+	        100 * y / header.cupsHeight);
+
+     /*
+      * Read a line of graphics...
+      */
+
+      if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1)
+        break;
+
+     /*
+      * See if the line is blank; if not, write it to the printer...
+      */
+
+      if (Planes[0][0] ||
+          memcmp(Planes[0], Planes[0] + 1, header.cupsBytesPerLine - 1))
+        OutputLine(&header);
+      else
+        Feed ++;
+    }
+
+   /*
+    * Eject the page...
+    */
+
+    EndPage();
+  }
+
+ /*
+  * Shutdown the printer...
+  */
+
+  Shutdown();
+
+  if (ppd)
+    ppdClose(ppd);
+
+ /*
+  * Close the raster stream...
+  */
+
+  cupsRasterClose(ras);
+  if (fd != 0)
+    close(fd);
+
+ /*
+  * If no pages were printed, send an error message...
+  */
+
+  if (Page == 0)
+    fputs("ERROR: No pages found!\n", stderr);
+  else
+    fputs("INFO: " CUPS_SVERSION " is ready to print.\n", stderr);
+
+  return (Page == 0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/textcommon.c b/filter/textcommon.c
new file mode 100644
index 000000000..87e26134a
--- /dev/null
+++ b/filter/textcommon.c
@@ -0,0 +1,1155 @@
+/*
+ * "$Id$"
+ *
+ *   Common text filter routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   TextMain()         - Standard main entry for text filters.
+ *   compare_keywords() - Compare two C/C++ keywords.
+ *   getutf8()          - Get a UTF-8 encoded wide character...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "textcommon.h"
+
+
+/*
+ * Globals...
+ */
+
+int	WrapLines = 1,		/* Wrap text in lines */
+	SizeLines = 60,		/* Number of lines on a page */
+	SizeColumns = 80,	/* Number of columns on a line */
+	PageColumns = 1,	/* Number of columns on a page */
+	ColumnGutter = 0,	/* Number of characters between text columns */
+	ColumnWidth = 80,	/* Width of each column */
+	PrettyPrint = 0,	/* Do pretty code formatting */
+	Copies = 1;		/* Number of copies */
+lchar_t	**Page = NULL;		/* Page characters */
+int	NumPages = 0;		/* Number of pages in document */
+float	CharsPerInch = 10;	/* Number of character columns per inch */
+float	LinesPerInch = 6;	/* Number of lines per inch */
+int	UTF8 = 0;		/* Use UTF-8 encoding? */
+int	NumKeywords = 0;	/* Number of known keywords */
+char	**Keywords = NULL;	/* List of known keywords */
+
+
+/*
+ * Local globals...
+ */
+
+static char *code_keywords[] =	/* List of known C/C++ keywords... */
+	{
+	  "and",
+	  "and_eq",
+	  "asm",
+	  "auto",
+	  "bitand",
+	  "bitor",
+	  "bool",
+	  "break",
+	  "case",
+	  "catch",
+	  "char",
+	  "class",
+	  "compl",
+	  "const",
+	  "continue",
+	  "default",
+	  "delete",
+	  "do",
+	  "double",
+	  "else",
+	  "enum",
+	  "explicit",
+	  "extern",
+	  "false",
+	  "float",
+	  "for",
+	  "friend",
+	  "goto",
+	  "if",
+	  "inline",
+	  "int",
+	  "long",
+	  "mutable",
+	  "namespace",
+	  "new",
+	  "not",
+	  "not_eq",
+	  "operator",
+	  "or",
+	  "or_eq",
+	  "private",
+	  "protected",
+	  "public",
+	  "register",
+	  "return",
+	  "short",
+	  "signed",
+	  "sizeof",
+	  "static",
+	  "struct",
+	  "switch",
+	  "template",
+	  "this",
+	  "throw",
+	  "true",
+	  "try",
+	  "typedef",
+	  "typename",
+	  "union",
+	  "unsigned",
+	  "virtual",
+	  "void",
+	  "volatile",
+	  "while",
+	  "xor",
+	  "xor_eq"
+	},
+	*sh_keywords[] =	/* List of known Boure/Korn/zsh/bash keywords... */
+	{
+	  "alias",
+	  "bg",
+	  "break",
+	  "case",
+	  "cd",
+	  "command",
+	  "continue",
+	  "do",
+	  "done",
+	  "echo",
+	  "elif",
+	  "else",
+	  "esac",
+	  "eval",
+	  "exec",
+	  "exit",
+	  "export",
+	  "fc",
+	  "fg",
+	  "fi",
+	  "for",
+	  "function",
+	  "getopts",
+	  "if",
+	  "in",
+	  "jobs",
+	  "kill",
+	  "let",
+	  "limit",
+	  "newgrp",
+	  "print",
+	  "pwd",
+	  "read",
+	  "readonly",
+	  "return",
+	  "select",
+	  "set",
+	  "shift",
+	  "test",
+	  "then",
+	  "time",
+	  "times",
+	  "trap",
+	  "typeset",
+	  "ulimit",
+	  "umask",
+	  "unalias",
+	  "unlimit",
+	  "unset",
+	  "until",
+	  "wait",
+	  "whence"
+	  "while",
+	},
+	*csh_keywords[] =	/* List of known csh/tcsh keywords... */
+	{
+	  "alias",
+	  "aliases",
+	  "bg",
+	  "bindkey",
+	  "break",
+	  "breaksw",
+	  "builtins",
+	  "case",
+	  "cd",
+	  "chdir",
+	  "complete",
+	  "continue",
+	  "default",
+	  "dirs",
+	  "echo",
+	  "echotc",
+	  "else",
+	  "end",
+	  "endif",
+	  "eval",
+	  "exec",
+	  "exit",
+	  "fg",
+	  "foreach",
+	  "glob",
+	  "goto",
+	  "history",
+	  "if",
+	  "jobs",
+	  "kill",
+	  "limit",
+	  "login",
+	  "logout",
+	  "ls",
+	  "nice",
+	  "nohup",
+	  "notify",
+	  "onintr",
+	  "popd",
+	  "pushd",
+	  "pwd",
+	  "rehash",
+	  "repeat",
+	  "set",
+	  "setenv",
+	  "settc",
+	  "shift",
+	  "source",
+	  "stop",
+	  "suspend",
+	  "switch",
+	  "telltc",
+	  "then",
+	  "time",
+	  "umask",
+	  "unalias",
+	  "unbindkey",
+	  "unhash",
+	  "unlimit",
+	  "unset",
+	  "unsetenv",
+	  "wait",
+	  "where",
+	  "which",
+	  "while"
+	},
+	*perl_keywords[] =	/* List of known perl keywords... */
+	{
+	  "abs",
+	  "accept",
+	  "alarm",
+	  "and",
+	  "atan2",
+	  "bind",
+	  "binmode",
+	  "bless",
+	  "caller",
+	  "chdir",
+	  "chmod",
+	  "chomp",
+	  "chop",
+	  "chown",
+	  "chr",
+	  "chroot",
+	  "closdir",
+	  "close",
+	  "connect",
+	  "continue",
+	  "cos",
+	  "crypt",
+	  "dbmclose",
+	  "dbmopen",
+	  "defined",
+	  "delete",
+	  "die",
+	  "do",
+	  "dump",
+	  "each",
+	  "else",
+	  "elsif",
+	  "endgrent",
+	  "endhostent",
+	  "endnetent",
+	  "endprotoent",
+	  "endpwent",
+	  "endservent",
+	  "eof",
+	  "eval",
+	  "exec",
+	  "exists",
+	  "exit",
+	  "exp",
+	  "fcntl",
+	  "fileno",
+	  "flock",
+	  "for",
+	  "foreach",
+	  "fork",
+	  "format",
+	  "formline",
+	  "getc",
+	  "getgrent",
+	  "getgrgid",
+	  "getgrnam",
+	  "gethostbyaddr",
+	  "gethostbyname",
+	  "gethostent",
+	  "getlogin",
+	  "getnetbyaddr",
+	  "getnetbyname",
+	  "getnetent",
+	  "getpeername",
+	  "getpgrp",
+	  "getppid",
+	  "getpriority",
+	  "getprotobyname",
+	  "getprotobynumber",
+	  "getprotoent",
+	  "getpwent",
+	  "getpwnam",
+	  "getpwuid",
+	  "getservbyname",
+	  "getservbyport",
+	  "getservent",
+	  "getsockname",
+	  "getsockopt",
+	  "glob",
+	  "gmtime",
+	  "goto",
+	  "grep",
+	  "hex",
+	  "if",
+	  "import",
+	  "index",
+	  "int",
+	  "ioctl",
+	  "join",
+	  "keys",
+	  "kill",
+	  "last",
+	  "lc",
+	  "lcfirst",
+	  "length",
+	  "link",
+	  "listen",
+	  "local",
+	  "localtime",
+	  "log",
+	  "lstat",
+	  "map",
+	  "mkdir",
+	  "msgctl",
+	  "msgget",
+	  "msgrcv",
+	  "msgsend",
+	  "my",
+	  "next",
+	  "no",
+	  "not",
+	  "oct",
+	  "open",
+	  "opendir",
+	  "or",
+	  "ord",
+	  "pack",
+	  "package",
+	  "pipe",
+	  "pop",
+	  "pos",
+	  "print",
+	  "printf",
+	  "push",
+	  "quotemeta",
+	  "rand",
+	  "read",
+	  "readdir",
+	  "readlink",
+	  "recv",
+	  "redo",
+	  "ref",
+	  "rename",
+	  "require",
+	  "reset",
+	  "return",
+	  "reverse",
+	  "rewinddir",
+	  "rindex",
+	  "rmdir",
+	  "scalar",
+	  "seek",
+	  "seekdir",
+	  "select",
+	  "semctl",
+	  "semget",
+	  "semop",
+	  "send",
+	  "setgrent",
+	  "sethostent",
+	  "setnetent",
+	  "setpgrp",
+	  "setpriority",
+	  "setprotoent",
+	  "setpwent",
+	  "setservent",
+	  "setsockopt",
+	  "shift",
+	  "shmctl",
+	  "shmget",
+	  "shmread",
+	  "shmwrite",
+	  "shutdown",
+	  "sin",
+	  "sleep",
+	  "socket",
+	  "socketpair",
+	  "sort",
+	  "splice",
+	  "split",
+	  "sprintf",
+	  "sqrt",
+	  "srand",
+	  "stat",
+	  "study",
+	  "sub",
+	  "substr",
+	  "symlink",
+	  "syscall",
+	  "sysread",
+	  "sysseek",
+	  "system",
+	  "syswrite",
+	  "tell",
+	  "telldir",
+	  "tie",
+	  "tied",
+	  "time",
+	  "times"
+	  "times",
+	  "truncate",
+	  "uc",
+	  "ucfirst",
+	  "umask",
+	  "undef",
+	  "unless",
+	  "unlink",
+	  "unpack",
+	  "unshift",
+	  "untie",
+	  "until",
+	  "use",
+	  "utime",
+	  "values",
+	  "vec",
+	  "wait",
+	  "waitpid",
+	  "wantarray",
+	  "warn",
+	  "while",
+	  "write"
+	};
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare_keywords(const void *, const void *);
+static int	getutf8(FILE *fp);
+
+
+/*
+ * 'TextMain()' - Standard main entry for text filters.
+ */
+
+int				/* O - Exit status */
+TextMain(const char *name,	/* I - Name of filter */
+         int        argc,	/* I - Number of command-line arguments */
+         char       *argv[])	/* I - Command-line arguments */
+{
+  FILE		*fp;		/* Print file */
+  ppd_file_t	*ppd;		/* PPD file */
+  int		i,		/* Looping var */
+		ch,		/* Current char from file */
+		lastch,		/* Previous char from file */
+		attr,		/* Current attribute */
+		line,		/* Current line */
+  		column,		/* Current column */
+  		page_column;	/* Current page column */
+  int		num_options;	/* Number of print options */
+  cups_option_t	*options;	/* Print options */
+  const char	*val;		/* Option value */
+  char		keyword[64],	/* Keyword string */
+		*keyptr;	/* Pointer into string */
+  int		keycol;		/* Column where keyword starts */
+  int		ccomment;	/* Inside a C-style comment? */
+  int		cstring;	/* Inside a C string */
+
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * Check command-line...
+  */
+
+  if (argc < 6 || argc > 7)
+  {
+    fprintf(stderr, "ERROR: %s job-id user title copies options [file]\n",
+            name);
+    return (1);
+  }
+
+ /*
+  * If we have 7 arguments, print the file named on the command-line.
+  * Otherwise, send stdin instead...
+  */
+
+  if (argc == 6)
+    fp = stdin;
+  else
+  {
+   /*
+    * Try to open the print file...
+    */
+
+    if ((fp = fopen(argv[6], "rb")) == NULL)
+    {
+      perror("ERROR: unable to open print file - ");
+      return (1);
+    }
+  }
+
+ /*
+  * Process command-line options and write the prolog...
+  */
+
+  options     = NULL;
+  num_options = cupsParseOptions(argv[5], 0, &options);
+
+  if ((val = cupsGetOption("prettyprint", num_options, options)) != NULL)
+  {
+    PageLeft     = 72.0f;
+    PageRight    = PageWidth - 36.0f;
+    PageBottom   = PageBottom > 36.0f ? PageBottom : 36.0f;
+    PageTop      = PageLength - 36.0f;
+    CharsPerInch = 12;
+    LinesPerInch = 8;
+
+    if ((val = getenv("CONTENT_TYPE")) == NULL)
+    {
+      PrettyPrint = PRETTY_CODE;
+      NumKeywords = sizeof(code_keywords) / sizeof(code_keywords[0]);
+      Keywords    = code_keywords;
+    }
+    else if (strcasecmp(val, "application/x-cshell") == 0)
+    {
+      PrettyPrint = PRETTY_SHELL;
+      NumKeywords = sizeof(csh_keywords) / sizeof(csh_keywords[0]);
+      Keywords    = csh_keywords;
+    }
+    else if (strcasecmp(val, "application/x-perl") == 0)
+    {
+      PrettyPrint = PRETTY_PERL;
+      NumKeywords = sizeof(perl_keywords) / sizeof(perl_keywords[0]);
+      Keywords    = perl_keywords;
+    }
+    else if (strcasecmp(val, "application/x-shell") == 0)
+    {
+      PrettyPrint = PRETTY_SHELL;
+      NumKeywords = sizeof(sh_keywords) / sizeof(sh_keywords[0]);
+      Keywords    = sh_keywords;
+    }
+    else
+    {
+      PrettyPrint = PRETTY_CODE;
+      NumKeywords = sizeof(code_keywords) / sizeof(code_keywords[0]);
+      Keywords    = code_keywords;
+    }
+  }
+
+  ppd = SetCommonOptions(num_options, options, 1);
+
+  WrapLines = cupsGetOption("nowrap", num_options, options) == NULL;
+
+  if ((val = cupsGetOption("columns", num_options, options)) != NULL)
+    PageColumns = atoi(val);
+
+  if ((val = cupsGetOption("cpi", num_options, options)) != NULL)
+    CharsPerInch = atof(val);
+
+  if ((val = cupsGetOption("lpi", num_options, options)) != NULL)
+    LinesPerInch = atof(val);
+
+  if ((val = cupsGetOption("prettyprint", num_options, options)) != NULL)
+    PageTop -= 216.0f / LinesPerInch;
+
+  Copies = atoi(argv[4]);
+
+  WriteProlog(argv[3], argv[2], getenv("CLASSIFICATION"),
+              cupsGetOption("page-label", num_options, options), ppd);
+
+ /*
+  * Read text from the specified source and print it...
+  */
+
+  lastch       = 0;
+  column       = 0;
+  line         = 0;
+  page_column  = 0;
+  attr         = 0;
+  keyptr       = keyword;
+  keycol       = 0;
+  ccomment     = 0;
+  cstring      = 0;
+
+  while ((ch = getutf8(fp)) >= 0)
+  {
+   /*
+    * Control codes:
+    *
+    *   BS	Backspace (0x08)
+    *   HT	Horizontal tab; next 8th column (0x09)
+    *   LF	Line feed; forward full line (0x0a)
+    *   VT	Vertical tab; reverse full line (0x0b)
+    *   FF	Form feed (0x0c)
+    *   CR	Carriage return (0x0d)
+    *   ESC 7	Reverse full line (0x1b 0x37)
+    *   ESC 8	Reverse half line (0x1b 0x38)
+    *   ESC 9	Forward half line (0x1b 0x39)
+    */
+
+    switch (ch)
+    {
+      case 0x08 :		/* BS - backspace for boldface & underline */
+          if (column > 0)
+            column --;
+
+          keyptr = keyword;
+	  keycol = column;
+          break;
+
+      case 0x09 :		/* HT - tab to next 8th column */
+          if (PrettyPrint && keyptr > keyword)
+	  {
+	    *keyptr = '\0';
+	    keyptr  = keyword;
+
+	    if (bsearch(&keyptr, Keywords, NumKeywords, sizeof(char *),
+	                compare_keywords))
+            {
+	     /*
+	      * Put keywords in boldface...
+	      */
+
+	      i = page_column * (ColumnWidth + ColumnGutter);
+
+	      while (keycol < column)
+	      {
+	        Page[line][keycol + i].attr |= ATTR_BOLD;
+		keycol ++;
+	      }
+	    }
+	  }
+
+          column = (column + 8) & ~7;
+
+          if (column >= ColumnWidth && WrapLines)
+          {			/* Wrap text to margins */
+            line ++;
+            column = 0;
+
+            if (line >= SizeLines)
+            {
+              page_column ++;
+              line = 0;
+
+              if (page_column >= PageColumns)
+              {
+                WritePage();
+		page_column = 0;
+              }
+            }
+          }
+
+	  keycol = column;
+          break;
+
+      case 0x0a :		/* LF - output current line */
+          if (PrettyPrint && keyptr > keyword)
+	  {
+	    *keyptr = '\0';
+	    keyptr  = keyword;
+
+	    if (bsearch(&keyptr, Keywords, NumKeywords, sizeof(char *),
+	                compare_keywords))
+            {
+	     /*
+	      * Put keywords in boldface...
+	      */
+
+	      i = page_column * (ColumnWidth + ColumnGutter);
+
+	      while (keycol < column)
+	      {
+	        Page[line][keycol + i].attr |= ATTR_BOLD;
+		keycol ++;
+	      }
+	    }
+	  }
+
+          line ++;
+          column = 0;
+	  keycol = 0;
+
+          if (!ccomment && !cstring)
+	    attr &= ~(ATTR_ITALIC | ATTR_BOLD | ATTR_RED | ATTR_GREEN | ATTR_BLUE);
+
+          if (line >= SizeLines)
+          {
+            page_column ++;
+            line = 0;
+
+            if (page_column >= PageColumns)
+            {
+              WritePage();
+	      page_column = 0;
+            }
+          }
+          break;
+
+      case 0x0b :		/* VT - move up 1 line */
+          if (line > 0)
+	    line --;
+
+          keyptr = keyword;
+	  keycol = column;
+
+          if (!ccomment && !cstring)
+	    attr &= ~(ATTR_ITALIC | ATTR_BOLD | ATTR_RED | ATTR_GREEN | ATTR_BLUE);
+          break;
+
+      case 0x0c :		/* FF - eject current page... */
+          if (PrettyPrint && keyptr > keyword)
+	  {
+	    *keyptr = '\0';
+	    keyptr  = keyword;
+
+	    if (bsearch(&keyptr, Keywords, NumKeywords, sizeof(char *),
+	                compare_keywords))
+            {
+	     /*
+	      * Put keywords in boldface...
+	      */
+
+	      i = page_column * (ColumnWidth + ColumnGutter);
+
+	      while (keycol < column)
+	      {
+	        Page[line][keycol + i].attr |= ATTR_BOLD;
+		keycol ++;
+	      }
+	    }
+	  }
+
+          page_column ++;
+	  column = 0;
+	  keycol = 0;
+          line   = 0;
+
+          if (!ccomment && !cstring)
+	    attr &= ~(ATTR_ITALIC | ATTR_BOLD | ATTR_RED | ATTR_GREEN | ATTR_BLUE);
+
+          if (page_column >= PageColumns)
+          {
+            WritePage();
+            page_column = 0;
+          }
+          break;
+
+      case 0x0d :		/* CR */
+          column = 0;
+          break;
+
+      case 0x1b :		/* Escape sequence */
+          ch = getutf8(fp);
+	  if (ch == '7')
+	  {
+	   /*
+	    * ESC 7	Reverse full line (0x1b 0x37)
+	    */
+
+            if (line > 0)
+	      line --;
+	  }
+	  else if (ch == '8')
+	  {
+           /*
+	    *   ESC 8	Reverse half line (0x1b 0x38)
+	    */
+
+            if ((attr & ATTR_RAISED) && line > 0)
+	    {
+	      attr &= ~ATTR_RAISED;
+              line --;
+	    }
+	    else if (attr & ATTR_LOWERED)
+	      attr &= ~ATTR_LOWERED;
+	    else
+	      attr |= ATTR_RAISED;
+	  }
+	  else if (ch == '9')
+	  {
+           /*
+	    *   ESC 9	Forward half line (0x1b 0x39)
+	    */
+
+            if ((attr & ATTR_LOWERED) && line < (SizeLines - 1))
+	    {
+	      attr &= ~ATTR_LOWERED;
+              line ++;
+	    }
+	    else if (attr & ATTR_RAISED)
+	      attr &= ~ATTR_RAISED;
+	    else
+	      attr |= ATTR_LOWERED;
+	  }
+	  break;
+
+      default :			/* All others... */
+          if (ch < ' ')
+            break;		/* Ignore other control chars */
+
+          if (PrettyPrint)
+	  {
+	   /*
+	    * Do highlighting of C/C++ keywords, preprocessor commands,
+	    * and comments...
+	    */
+
+	    if ((ch == ' ' || ch == '\t') && (attr & ATTR_BOLD))
+	    {
+	     /*
+	      * Stop bolding preprocessor command...
+	      */
+
+	      attr &= ~ATTR_BOLD;
+	    }
+	    else if (!(isalnum(ch) || ch == '_') && keyptr > keyword)
+	    {
+	     /*
+	      * Look for a keyword...
+	      */
+
+	      *keyptr = '\0';
+	      keyptr  = keyword;
+
+	      if (!(attr & ATTR_ITALIC) &&
+	          bsearch(&keyptr, Keywords, NumKeywords, sizeof(char *),
+	                  compare_keywords))
+              {
+	       /*
+	        * Put keywords in boldface...
+		*/
+
+	        i = page_column * (ColumnWidth + ColumnGutter);
+
+		while (keycol < column)
+		{
+	          Page[line][keycol + i].attr |= ATTR_BOLD;
+		  keycol ++;
+		}
+	      }
+	    }
+	    else if ((isalnum(ch) || ch == '_') && !ccomment && !cstring)
+	    {
+	     /*
+	      * Add characters to the current keyword (if they'll fit).
+	      */
+
+              if (keyptr == keyword)
+	        keycol = column;
+
+	      if (keyptr < (keyword + sizeof(keyword) - 1))
+	        *keyptr++ = ch;
+            }
+	    else if (ch == '\"' && lastch != '\\' && !ccomment && !cstring)
+	    {
+	     /*
+	      * Start a C string constant...
+	      */
+
+	      cstring = -1;
+              attr    |= ATTR_BLUE;
+	    }
+            else if (ch == '*' && lastch == '/' && !cstring &&
+	             PrettyPrint != PRETTY_SHELL)
+	    {
+	     /*
+	      * Start a C-style comment...
+	      */
+
+	      ccomment = 1;
+	      attr     |= ATTR_ITALIC | ATTR_GREEN;
+	    }
+	    else if (ch == '/' && lastch == '/' && !cstring &&
+	             PrettyPrint == PRETTY_CODE)
+	    {
+	     /*
+	      * Start a C++-style comment...
+	      */
+
+	      attr |= ATTR_ITALIC | ATTR_GREEN;
+	    }
+	    else if (ch == '#' && !cstring && PrettyPrint != PRETTY_CODE)
+	    {
+	     /*
+	      * Start a shell-style comment...
+	      */
+
+	      attr |= ATTR_ITALIC | ATTR_GREEN;
+	    }
+	    else if (ch == '#' && column == 0 && !ccomment && !cstring &&
+	             PrettyPrint == PRETTY_CODE)
+	    {
+	     /*
+	      * Start a preprocessor command...
+	      */
+
+	      attr |= ATTR_BOLD | ATTR_RED;
+	    }
+          }
+
+          if (column >= ColumnWidth && WrapLines)
+          {			/* Wrap text to margins */
+            column = 0;
+	    line ++;
+
+            if (line >= SizeLines)
+            {
+              page_column ++;
+              line = 0;
+
+              if (page_column >= PageColumns)
+              {
+        	WritePage();
+        	page_column = 0;
+              }
+            }
+          }
+
+         /*
+	  * Add text to the current column & line...
+	  */
+
+          if (column < ColumnWidth)
+	  {
+	    i = column + page_column * (ColumnWidth + ColumnGutter);
+
+            if (PrettyPrint)
+              Page[line][i].attr = attr;
+	    else if (ch == ' ' && Page[line][i].ch)
+	      ch = Page[line][i].ch;
+            else if (ch == Page[line][i].ch)
+              Page[line][i].attr |= ATTR_BOLD;
+            else if (Page[line][i].ch == '_')
+              Page[line][i].attr |= ATTR_UNDERLINE;
+            else if (ch == '_')
+	    {
+              Page[line][i].attr |= ATTR_UNDERLINE;
+
+              if (Page[line][i].ch)
+	        ch = Page[line][i].ch;
+	    }
+	    else
+              Page[line][i].attr = attr;
+
+            Page[line][i].ch = ch;
+	  }
+
+          if (PrettyPrint)
+	  {
+	    if ((ch == '{' || ch == '}') && !ccomment && !cstring &&
+	        column < ColumnWidth)
+	    {
+	     /*
+	      * Highlight curley braces...
+	      */
+
+	      Page[line][column].attr |= ATTR_BOLD;
+	    }
+	    else if ((ch == '/' || ch == '*') && lastch == '/' &&
+	             column < ColumnWidth && PrettyPrint != PRETTY_SHELL)
+	    {
+	     /*
+	      * Highlight first comment character...
+	      */
+
+	      Page[line][column - 1].attr = attr;
+	    }
+	    else if (ch == '\"' && lastch != '\\' && !ccomment && cstring > 0)
+	    {
+	     /*
+	      * End a C string constant...
+	      */
+
+	      cstring = 0;
+	      attr    &= ~ATTR_BLUE;
+            }
+	    else if (ch == '/' && lastch == '*' && ccomment)
+	    {
+	     /*
+	      * End a C-style comment...
+	      */
+
+	      ccomment = 0;
+	      attr     &= ~(ATTR_ITALIC | ATTR_GREEN);
+	    }
+
+            if (cstring < 0)
+	      cstring = 1;
+	  }
+
+          column ++;
+          break;          
+    }
+
+   /*
+    * Save this character for the next cycle.
+    */
+
+    lastch = ch;
+  }
+
+ /*
+  * Write any remaining page data...
+  */
+
+  if (line > 0 || page_column > 0 || column > 0)
+    WritePage();
+
+ /*
+  * Write the epilog and return...
+  */
+
+  WriteEpilogue();
+
+  if (ppd != NULL)
+    ppdClose(ppd);
+
+  return (0);
+}
+
+
+/*
+ * 'compare_keywords()' - Compare two C/C++ keywords.
+ */
+
+static int				/* O - Result of strcmp */
+compare_keywords(const void *k1,	/* I - First keyword */
+                 const void *k2)	/* I - Second keyword */
+{
+  return (strcmp(*((const char **)k1), *((const char **)k2)));
+}
+
+
+/*
+ * 'getutf8()' - Get a UTF-8 encoded wide character...
+ */
+
+static int		/* O - Character or -1 on error */
+getutf8(FILE *fp)	/* I - File to read from */
+{
+  int	ch;		/* Current character value */
+  int	next;		/* Next character from file */
+
+
+ /*
+  * Read the first character and process things accordingly...
+  *
+  * UTF-8 maps 16-bit characters to:
+  *
+  *        0 to 127 = 0xxxxxxx
+  *     128 to 2047 = 110xxxxx 10yyyyyy (xxxxxyyyyyy)
+  *   2048 to 65535 = 1110xxxx 10yyyyyy 10zzzzzz (xxxxyyyyyyzzzzzz)
+  *
+  * We also accept:
+  *
+  *      128 to 191 = 10xxxxxx
+  *
+  * since this range of values is otherwise undefined unless you are
+  * in the middle of a multi-byte character...
+  *
+  * This code currently does not support anything beyond 16-bit
+  * characters, in part because PostScript doesn't support more than
+  * 16-bit characters...
+  */
+
+  if ((ch = getc(fp)) == EOF)
+    return (EOF);
+
+  if (ch < 0xc0 || !UTF8)	/* One byte character? */
+    return (ch);
+  else if ((ch & 0xe0) == 0xc0)
+  {
+   /*
+    * Two byte character...
+    */
+
+    if ((next = getc(fp)) == EOF)
+      return (EOF);
+    else
+      return (((ch & 0x1f) << 6) | (next & 0x3f));
+  }
+  else if ((ch & 0xf0) == 0xe0)
+  {
+   /*
+    * Three byte character...
+    */
+
+    if ((next = getc(fp)) == EOF)
+      return (EOF);
+
+    ch = ((ch & 0x0f) << 6) | (next & 0x3f);
+
+    if ((next = getc(fp)) == EOF)
+      return (EOF);
+    else
+      return ((ch << 6) | (next & 0x3f));
+  }
+  else
+  {
+   /*
+    * More than three bytes...  We don't support that...
+    */
+
+    return (EOF);
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/textcommon.h b/filter/textcommon.h
new file mode 100644
index 000000000..025afc137
--- /dev/null
+++ b/filter/textcommon.h
@@ -0,0 +1,102 @@
+/*
+ * "$Id$"
+ *
+ *   Common text filter definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "common.h"
+
+
+/*
+ * Constants...
+ */
+
+#define ATTR_NORMAL	0x00
+#define ATTR_BOLD	0x01
+#define ATTR_ITALIC	0x02
+#define ATTR_BOLDITALIC	0x03
+#define ATTR_FONT	0x03
+
+#define ATTR_UNDERLINE	0x04
+#define ATTR_RAISED	0x08
+#define ATTR_LOWERED	0x10
+#define ATTR_RED	0x20
+#define ATTR_GREEN	0x40
+#define ATTR_BLUE	0x80
+
+#define PRETTY_OFF	0
+#define PRETTY_CODE	1
+#define PRETTY_SHELL	2
+#define PRETTY_PERL	3
+#define PRETTY_HTML	4
+
+
+/*
+ * Structures...
+ */
+
+typedef struct			/**** Character/attribute structure... ****/
+{
+  unsigned short ch,		/* Character */
+		attr;		/* Any attributes */
+} lchar_t;
+
+
+/*
+ * Globals...
+ */
+
+extern int	WrapLines,	/* Wrap text in lines */
+		SizeLines,	/* Number of lines on a page */
+		SizeColumns,	/* Number of columns on a line */
+		PageColumns,	/* Number of columns on a page */
+		ColumnGutter,	/* Number of characters between text columns */
+		ColumnWidth,	/* Width of each column */
+		PrettyPrint,	/* Do pretty code formatting? */
+		Copies;		/* Number of copies to produce */
+extern lchar_t	**Page;		/* Page characters */
+extern int	NumPages;	/* Number of pages in document */
+extern float	CharsPerInch,	/* Number of character columns per inch */
+		LinesPerInch;	/* Number of lines per inch */
+extern int	UTF8,		/* Use UTF-8 encoding? */
+		NumKeywords;	/* Number of known keywords */
+extern char	**Keywords;	/* List of known keywords... */
+
+
+/*
+ * Required functions...
+ */
+
+extern int	TextMain(const char *name, int argc, char *argv[]);
+extern void	WriteEpilogue(void);
+extern void	WritePage(void);
+extern void	WriteProlog(const char *title, const char *user,
+		            const char *classification, const char *label,
+			    ppd_file_t *ppd);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/filter/texttops.c b/filter/texttops.c
new file mode 100644
index 000000000..d202bd40c
--- /dev/null
+++ b/filter/texttops.c
@@ -0,0 +1,1316 @@
+/*
+ * "$Id$"
+ *
+ *   Text to PostScript filter for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()          - Main entry for text to PostScript filter.
+ *   WriteEpilogue() - Write the PostScript file epilogue.
+ *   WritePage()     - Write a page of text.
+ *   WriteProlog()   - Write the PostScript file prolog with options.
+ *   write_line()    - Write a row of text.
+ *   write_string()  - Write a string of text.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "textcommon.h"
+
+
+/*
+ * Globals...
+ */
+
+char		*Glyphs[65536];	/* PostScript glyphs for Unicode */
+int		NumFonts;	/* Number of fonts to use */
+char		*Fonts[256][4];	/* Fonts to use */
+unsigned short	Chars[65536];	/* 0xffcc (ff = font, cc = char) */
+unsigned short	Codes[65536];	/* Unicode glyph mapping to fonts */
+int		Widths[256];	/* Widths of each font */
+int		Directions[256];/* Text directions for each font */
+
+
+/*
+ * Local functions...
+ */
+
+static void	write_line(int row, lchar_t *line);
+static void	write_string(int col, int row, int len, lchar_t *s);
+static void	write_text(const char *s);
+
+
+/*
+ * 'main()' - Main entry for text to PostScript filter.
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  return (TextMain("texttops", argc, argv));
+}
+
+
+/*
+ * 'WriteEpilogue()' - Write the PostScript file epilogue.
+ */
+
+void
+WriteEpilogue(void)
+{
+  puts("%%BeginTrailer");
+  printf("%%%%Pages: %d\n", NumPages);
+  puts("%%EOF");
+
+  free(Page[0]);
+  free(Page);
+}
+
+
+/*
+ * 'WritePage()' - Write a page of text.
+ */
+
+void
+WritePage(void)
+{
+  int	line;			/* Current line */
+
+
+  NumPages ++;
+  printf("%%%%Page: %d %d\n", NumPages, NumPages);
+
+  puts("gsave");
+
+  if (getenv("PPD") == NULL)
+  {
+    switch (Orientation)
+    {
+      case 1 : /* Landscape */
+          printf("%.3f 0.0 translate 90 rotate\n", PageLength);
+          break;
+      case 2 : /* Reverse Portrait */
+          printf("%.3f %.3f translate 180 rotate\n", PageWidth, PageLength);
+          break;
+      case 3 : /* Reverse Landscape */
+          printf("0.0 %.3f translate -90 rotate\n", PageWidth);
+          break;
+    }
+  }
+
+  if (PrettyPrint)
+    printf("%d H\n", NumPages);
+
+  for (line = 0; line < SizeLines; line ++)
+    write_line(line, Page[line]);
+
+  puts("grestore");
+  puts("showpage");
+
+  memset(Page[0], 0, sizeof(lchar_t) * SizeColumns * SizeLines);
+}
+
+
+/*
+ * 'WriteProlog()' - Write the PostScript file prolog with options.
+ */
+
+void
+WriteProlog(const char *title,		/* I - Title of job */
+	    const char *user,		/* I - Username */
+            const char *classification,	/* I - Classification */
+	    const char *label,		/* I - Page label */
+            ppd_file_t *ppd)		/* I - PPD file info */
+{
+  int		i, j, k;	/* Looping vars */
+  char		*charset;	/* Character set string */
+  char		filename[1024];	/* Glyph filenames */
+  FILE		*fp;		/* Glyph files */
+  const char	*datadir;	/* CUPS_DATADIR environment variable */
+  char		line[1024],	/* Line from file */
+		*lineptr,	/* Pointer into line */
+		*valptr;	/* Pointer to value in line */
+  int		ch, unicode;	/* Character values */
+  int		start, end;	/* Start and end values for range */
+  char		glyph[64];	/* Glyph name */
+  time_t	curtime;	/* Current time */
+  struct tm	*curtm;		/* Current date */
+  char		curdate[255];	/* Current date (text format) */
+  int		num_fonts;	/* Number of unique fonts */
+  char		*fonts[1024];	/* Unique fonts */
+  static char	*names[] =	/* Font names */
+		{
+		  "cupsNormal",
+		  "cupsBold",
+		  "cupsItalic"
+		};
+
+
+ /*
+  * Get the data directory...
+  */
+
+  if ((datadir = getenv("CUPS_DATADIR")) == NULL)
+    datadir = CUPS_DATADIR;
+
+ /*
+  * Adjust margins as necessary...
+  */
+
+  if (classification || label)
+  {
+   /*
+    * Leave room for labels...
+    */
+
+    PageBottom += 36;
+    PageTop    -= 36;
+  }
+
+ /*
+  * Allocate memory for the page...
+  */
+
+  SizeColumns = (PageRight - PageLeft) / 72.0 * CharsPerInch;
+  SizeLines   = (PageTop - PageBottom) / 72.0 * LinesPerInch;
+
+  Page    = calloc(sizeof(lchar_t *), SizeLines);
+  Page[0] = calloc(sizeof(lchar_t), SizeColumns * SizeLines);
+  for (i = 1; i < SizeLines; i ++)
+    Page[i] = Page[0] + i * SizeColumns;
+
+  if (PageColumns > 1)
+  {
+    ColumnGutter = CharsPerInch / 2;
+    ColumnWidth  = (SizeColumns - ColumnGutter * (PageColumns - 1)) /
+                   PageColumns;
+  }
+  else
+    ColumnWidth = SizeColumns;
+
+ /*
+  * Output the DSC header...
+  */
+
+  curtime = time(NULL);
+  curtm   = localtime(&curtime);
+  strftime(curdate, sizeof(curdate), CUPS_STRFTIME_FORMAT, curtm);
+
+  puts("%!PS-Adobe-3.0");
+  printf("%%%%BoundingBox: %.0f %.0f %.0f %.0f\n", PageLeft, PageBottom,
+         PageRight, PageTop);
+  if (Orientation & 1)
+    puts("%%Orientation: Landscape");
+  puts("%%Creator: texttops/" CUPS_SVERSION);
+  printf("%%%%CreationDate: %s\n", curdate);
+  printf("%%%%Title: %s\n", title);
+  printf("%%%%For: %s\n", user);
+  puts("%%Pages: (atend)");
+
+ /*
+  * Initialize globals...
+  */
+
+  NumFonts = 0;
+  memset(Fonts, 0, sizeof(Fonts));
+  memset(Glyphs, 0, sizeof(Glyphs));
+  memset(Chars, 0, sizeof(Chars));
+  memset(Codes, 0, sizeof(Codes));
+
+ /*
+  * Load the PostScript glyph names and the corresponding character
+  * set definition...
+  */
+
+  snprintf(filename, sizeof(filename), "%s/data/psglyphs", datadir);
+
+  if ((fp = fopen(filename, "r")) != NULL)
+  {
+    while (fscanf(fp, "%x%63s", &unicode, glyph) == 2)
+      Glyphs[unicode] = strdup(glyph);
+
+    fclose(fp);
+  }
+  else
+  {
+    fprintf(stderr, "ERROR: Unable to open \"%s\" - %s\n", filename,
+            strerror(errno));
+    exit(1);
+  }
+
+ /*
+  * Get the output character set...
+  */
+
+  charset = getenv("CHARSET");
+  if (charset != NULL && strcmp(charset, "us-ascii") != 0)
+  {
+    snprintf(filename, sizeof(filename), "%s/charsets/%s", datadir, charset);
+
+    if ((fp = fopen(filename, "r")) == NULL)
+    {
+     /*
+      * Can't open charset file!
+      */
+
+      fprintf(stderr, "ERROR: Unable to open %s: %s\n", filename,
+              strerror(errno));
+      exit(1);
+    }
+
+   /*
+    * Opened charset file; now see if this is really a charset file...
+    */
+
+    if (fgets(line, sizeof(line), fp) == NULL)
+    {
+     /*
+      * Bad/empty charset file!
+      */
+
+      fclose(fp);
+      fprintf(stderr, "ERROR: Bad/empty charset file %s\n", filename);
+      exit(1);
+    }
+
+    if (strncmp(line, "charset", 7) != 0)
+    {
+     /*
+      * Bad format/not a charset file!
+      */
+
+      fclose(fp);
+      fprintf(stderr, "ERROR: Bad charset file %s\n", filename);
+      exit(1);
+    }
+
+   /*
+    * See if this is an 8-bit or UTF-8 character set file...
+    */
+
+    line[strlen(line) - 1] = '\0'; /* Drop \n */
+    for (lineptr = line + 7; isspace(*lineptr); lineptr ++); /* Skip whitespace */
+
+    if (strcmp(lineptr, "8bit") == 0)
+    {
+     /*
+      * 8-bit text...
+      */
+
+      UTF8     = 0;
+      NumFonts = 0;
+
+     /*
+      * Read the font description(s)...
+      */
+
+      while (fgets(line, sizeof(line), fp) != NULL)
+      {
+       /*
+        * Skip comment and blank lines...
+	*/
+
+        if (line[0] == '#' || line[0] == '\n')
+	  continue;
+
+       /*
+	* Read the font descriptions that should look like:
+	*
+	*   first last direction width normal [bold italic bold-italic]
+	*/
+
+	lineptr = line;
+
+        start = strtol(lineptr, &lineptr, 16);
+	end   = strtol(lineptr, &lineptr, 16);
+
+	while (isspace(*lineptr))
+	  lineptr ++;
+
+        if (!*lineptr)
+	  break;	/* Must be a font mapping */
+
+	valptr = lineptr;
+
+	while (!isspace(*lineptr) && *lineptr)
+	  lineptr ++;
+
+	if (!*lineptr)
+	{
+	 /*
+	  * Can't have a font without all required values...
+	  */
+
+	  fprintf(stderr, "ERROR: bad font description line: %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+	*lineptr++ = '\0';
+
+	if (strcmp(valptr, "ltor") == 0)
+	  Directions[NumFonts] = 1;
+	else if (strcmp(valptr, "rtol") == 0)
+	  Directions[NumFonts] = -1;
+	else
+	{
+	  fprintf(stderr, "ERROR: Bad text direction %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+       /*
+	* Got the direction, now get the width...
+	*/
+
+	while (isspace(*lineptr))
+	  lineptr ++;
+
+	valptr = lineptr;
+
+	while (!isspace(*lineptr) && *lineptr)
+	  lineptr ++;
+
+	if (!*lineptr)
+	{
+	 /*
+	  * Can't have a font without all required values...
+	  */
+
+	  fprintf(stderr, "ERROR: bad font description line: %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+	*lineptr++ = '\0';
+
+	if (strcmp(valptr, "single") == 0)
+          Widths[NumFonts] = 1;
+	else if (strcmp(valptr, "double") == 0)
+          Widths[NumFonts] = 2;
+	else 
+	{
+	  fprintf(stderr, "ERROR: Bad text width %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+       /*
+	* Get the fonts...
+	*/
+
+	for (i = 0; *lineptr && i < 4; i ++)
+	{
+	  while (isspace(*lineptr))
+	    lineptr ++;
+
+	  valptr = lineptr;
+
+	  while (!isspace(*lineptr) && *lineptr)
+	    lineptr ++;
+
+          if (*lineptr)
+	    *lineptr++ = '\0';
+
+          if (lineptr > valptr)
+	    Fonts[NumFonts][i] = strdup(valptr);
+	}
+
+       /*
+	* Fill in remaining fonts as needed...
+	*/
+
+	for (j = i; j < 4; j ++)
+	  Fonts[NumFonts][j] = strdup(Fonts[NumFonts][0]);
+
+       /*
+        * Define the character mappings...
+	*/
+
+	for (i = start, j = NumFonts * 256; i <= end; i ++, j ++)
+	  Chars[i] = j;
+
+        NumFonts ++;
+      }
+
+     /*
+      * Read encoding lines...
+      */
+
+      do
+      {
+       /*
+        * Skip comment and blank lines...
+	*/
+
+        if (line[0] == '#' || line[0] == '\n')
+	  continue;
+
+       /*
+        * Grab the character and unicode glyph number.
+	*/
+
+	if (sscanf(line, "%x%x", &ch, &unicode) == 2 && ch < 256)
+          Codes[Chars[ch]] = unicode;
+      }
+      while (fgets(line, sizeof(line), fp) != NULL);
+
+      fclose(fp);
+    }
+    else if (strcmp(lineptr, "utf8") == 0)
+    {
+     /*
+      * UTF-8 (Unicode) text...
+      */
+
+      UTF8 = 1;
+
+     /*
+      * Read the font descriptions...
+      */
+
+      NumFonts = 0;
+
+      while (fgets(line, sizeof(line), fp) != NULL)
+      {
+       /*
+        * Skip comment and blank lines...
+	*/
+
+        if (line[0] == '#' || line[0] == '\n')
+	  continue;
+
+       /*
+	* Read the font descriptions that should look like:
+	*
+	*   start end direction width normal [bold italic bold-italic]
+	*/
+
+	lineptr = line;
+
+        start = strtol(lineptr, &lineptr, 16);
+	end   = strtol(lineptr, &lineptr, 16);
+
+	while (isspace(*lineptr))
+	  lineptr ++;
+
+	valptr = lineptr;
+
+	while (!isspace(*lineptr) && *lineptr)
+	  lineptr ++;
+
+	if (!*lineptr)
+	{
+	 /*
+	  * Can't have a font without all required values...
+	  */
+
+	  fprintf(stderr, "ERROR: bad font description line: %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+	*lineptr++ = '\0';
+
+	if (strcmp(valptr, "ltor") == 0)
+	  Directions[NumFonts] = 1;
+	else if (strcmp(valptr, "rtol") == 0)
+	  Directions[NumFonts] = -1;
+	else
+	{
+	  fprintf(stderr, "ERROR: Bad text direction %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+       /*
+	* Got the direction, now get the width...
+	*/
+
+	while (isspace(*lineptr))
+	  lineptr ++;
+
+	valptr = lineptr;
+
+	while (!isspace(*lineptr) && *lineptr)
+	  lineptr ++;
+
+	if (!*lineptr)
+	{
+	 /*
+	  * Can't have a font without all required values...
+	  */
+
+	  fprintf(stderr, "ERROR: bad font description line: %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+	*lineptr++ = '\0';
+
+	if (strcmp(valptr, "single") == 0)
+          Widths[NumFonts] = 1;
+	else if (strcmp(valptr, "double") == 0)
+          Widths[NumFonts] = 2;
+	else 
+	{
+	  fprintf(stderr, "ERROR: Bad text width %s\n", valptr);
+	  fclose(fp);
+	  exit(1);
+	}
+
+       /*
+	* Get the fonts...
+	*/
+
+	for (i = 0; *lineptr && i < 4; i ++)
+	{
+	  while (isspace(*lineptr))
+	    lineptr ++;
+
+	  valptr = lineptr;
+
+	  while (!isspace(*lineptr) && *lineptr)
+	    lineptr ++;
+
+          if (*lineptr)
+	    *lineptr++ = '\0';
+
+          if (lineptr > valptr)
+	    Fonts[NumFonts][i] = strdup(valptr);
+	}
+
+       /*
+	* Fill in remaining fonts as needed...
+	*/
+
+	for (j = i; j < 4; j ++)
+	  Fonts[NumFonts][j] = strdup(Fonts[NumFonts][0]);
+
+       /*
+        * Define the character mappings...
+	*/
+
+	for (i = start, j = NumFonts * 256; i <= end; i ++, j ++)
+	{
+	  Chars[i] = j;
+          Codes[j] = i;
+	}
+
+       /*
+        * Move to the next font, stopping if needed...
+	*/
+
+        NumFonts ++;
+	if (NumFonts >= 256)
+	  break;
+      }
+
+      fclose(fp);
+    }
+    else
+    {
+      fprintf(stderr, "ERROR: Bad charset type %s\n", lineptr);
+      fclose(fp);
+      exit(1);
+    }
+  }
+  else
+  {
+   /*
+    * Standard ASCII output just uses Courier, Courier-Bold, and
+    * possibly Courier-Oblique.
+    */
+
+    NumFonts = 1;
+
+    Fonts[0][ATTR_NORMAL]     = strdup("Courier");
+    Fonts[0][ATTR_BOLD]       = strdup("Courier-Bold");
+    Fonts[0][ATTR_ITALIC]     = strdup("Courier-Oblique");
+    Fonts[0][ATTR_BOLDITALIC] = strdup("Courier-BoldOblique");
+
+    Widths[0]     = 1;
+    Directions[0] = 1;
+
+   /*
+    * Define US-ASCII characters...
+    */
+
+    for (i = 32; i < 127; i ++)
+    {
+      Chars[i] = i;
+      Codes[i] = i;
+    }
+  }
+
+ /*
+  * Generate a list of unique fonts to use...
+  */
+
+  for (i = 0, num_fonts = 0; i < NumFonts; i ++)
+    for (j = PrettyPrint ? 2 : 1; j >= 0; j --)
+    {
+      for (k = 0; k < num_fonts; k ++)
+        if (strcmp(Fonts[i][j], fonts[k]) == 0)
+	  break;
+
+      if (k >= num_fonts)
+      {
+       /*
+        * Add new font...
+	*/
+
+        fonts[num_fonts] = Fonts[i][j];
+	num_fonts ++;
+      }
+    }
+
+ /*
+  * List the fonts that will be used...
+  */
+
+  for (i = 0; i < num_fonts; i ++)
+    if (i == 0)
+      printf("%%%%DocumentNeededResources: font %s\n", fonts[i]);
+    else
+      printf("%%%%+ font %s\n", fonts[i]);
+
+  puts("%%DocumentSuppliedResources: procset texttops 1.1 0");
+
+  for (i = 0; i < num_fonts; i ++)
+  {
+    if (ppd != NULL)
+    {
+      fprintf(stderr, "DEBUG: ppd->num_fonts = %d\n", ppd->num_fonts);
+
+      for (j = 0; j < ppd->num_fonts; j ++)
+      {
+        fprintf(stderr, "DEBUG: ppd->fonts[%d] = %s\n", j, ppd->fonts[j]);
+
+	if (strcmp(fonts[i], ppd->fonts[j]) == 0)
+          break;
+      }
+    }
+    else
+      j = 0;
+
+    if (ppd != NULL && j >= ppd->num_fonts)
+    {
+     /*
+      * Need to embed this font...
+      */
+
+      printf("%%%%+ font %s\n", fonts[i]);
+    }
+  }
+
+  puts("%%EndComments");
+
+  puts("%%BeginProlog");
+
+ /*
+  * Download any missing fonts...
+  */
+
+  for (i = 0; i < num_fonts; i ++)
+  {
+    if (ppd != NULL)
+    {
+      for (j = 0; j < ppd->num_fonts; j ++)
+	if (strcmp(fonts[i], ppd->fonts[j]) == 0)
+          break;
+    }
+    else
+      j = 0;
+
+    if (ppd != NULL && j >= ppd->num_fonts)
+    {
+     /*
+      * Need to embed this font...
+      */
+
+      printf("%%%%BeginResource: font %s\n", fonts[i]);
+
+      /**** MRS: Need to use CUPS_FONTPATH env var! ****/
+      /**** Also look for Fontmap file or name.pfa, name.pfb... ****/
+      snprintf(filename, sizeof(filename), "%s/fonts/%s", datadir, fonts[i]);
+      if ((fp = fopen(filename, "rb")) != NULL)
+      {
+        while ((j = fread(line, 1, sizeof(line), fp)) > 0)
+	  fwrite(line, 1, j, stdout);
+
+	fclose(fp);
+      }
+
+      puts("\n%%EndResource");
+    }
+  }
+
+ /*
+  * Write the encoding array(s)...
+  */
+
+  puts("% character encoding(s)");
+
+  for (i = 0; i < NumFonts; i ++)
+  {
+    printf("/cupsEncoding%02x [\n", i);
+
+    for (ch = 0; ch < 256; ch ++)
+    {
+      if (Glyphs[Codes[i * 256 + ch]])
+	printf("/%s", Glyphs[Codes[i * 256 + ch]]);
+      else if (Codes[i * 256 + ch] > 255)
+        printf("/uni%04X", Codes[i * 256 + ch]);
+      else
+	printf("/.notdef");
+
+      if ((ch & 7) == 7)
+	putchar('\n');
+    }
+
+    puts("] def");
+  }
+
+ /*
+  * Create the fonts...
+  */
+
+  if (NumFonts == 1)
+  {
+   /*
+    * Just reencode the named fonts...
+    */
+
+    puts("% Reencode fonts");
+
+    for (i = PrettyPrint ? 2 : 1; i >= 0; i --)
+    {
+      printf("/%s findfont\n", Fonts[0][i]);
+      puts("dup length 1 add dict begin\n"
+	   "	{ 1 index /FID ne { def } { pop pop } ifelse } forall\n"
+	   "	/Encoding cupsEncoding00 def\n"
+	   "	currentdict\n"
+	   "end");
+      printf("/%s exch definefont pop\n", names[i]);
+    }
+  }
+  else
+  {
+   /*
+    * Construct composite fonts...  Start by reencoding the base fonts...
+    */
+
+    puts("% Reencode base fonts");
+
+    for (i = 1 + PrettyPrint; i >= 0; i --)
+      for (j = 0; j < NumFonts; j ++)
+      {
+	printf("/%s findfont\n", Fonts[j][i]);
+	printf("dup length 1 add dict begin\n"
+	       "	{ 1 index /FID ne { def } { pop pop } ifelse } forall\n"
+	       "	/Encoding cupsEncoding%02x def\n"
+	       "	currentdict\n"
+	       "end\n", j);
+	printf("/%s%02x exch definefont /%s%02x exch def\n", names[i], j,
+	       names[i], j);
+      }
+
+   /*
+    * Then merge them into composite fonts...
+    */
+
+    puts("% Create composite fonts...");
+
+    for (i = 1 + PrettyPrint; i >= 0; i --)
+    {
+      puts("8 dict begin");
+      puts("/FontType 0 def/FontMatrix[1.0 0 0 1.0 0 0]def/FMapType 2 def/Encoding[");
+      for (j = 0; j < NumFonts; j ++)
+        if (j == (NumFonts - 1))
+	  printf("%d", j);
+	else if ((j & 15) == 15)
+          printf("%d\n", j);
+	else
+	  printf("%d ", j);
+      puts("]def/FDepVector[");
+      for (j = 0; j < NumFonts; j ++)
+        if (j == (NumFonts - 1))
+          printf("%s%02x", names[i], j);
+	else if ((j & 3) == 3)
+          printf("%s%02x\n", names[i], j);
+	else
+	  printf("%s%02x ", names[i], j);
+      puts("]def currentdict end");
+      printf("/%s exch definefont pop\n", names[i]);
+    }
+  }
+
+ /*
+  * Output the texttops procset...
+  */
+
+  puts("%%BeginResource: procset texttops 1.1 0");
+
+  puts("% Define fonts");
+
+  printf("/FN /cupsNormal findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
+         120.0 / CharsPerInch, 68.0 / LinesPerInch);
+  printf("/FB /cupsBold findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
+         120.0 / CharsPerInch, 68.0 / LinesPerInch);
+  if (PrettyPrint)
+    printf("/FI /cupsItalic findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
+           120.0 / CharsPerInch, 68.0 / LinesPerInch);
+
+  puts("% Common procedures");
+
+  puts("/N { FN setfont moveto } bind def");
+  puts("/B { FB setfont moveto } bind def");
+  printf("/U { gsave 0.5 setlinewidth 0 %.3f rmoveto "
+         "0 rlineto stroke grestore } bind def\n", -6.8 / LinesPerInch);
+
+  if (PrettyPrint)
+  {
+    if (ColorDevice)
+    {
+      puts("/S { 0.0 setgray show } bind def");
+      puts("/r { 0.5 0.0 0.0 setrgbcolor show } bind def");
+      puts("/g { 0.0 0.5 0.0 setrgbcolor show } bind def");
+      puts("/b { 0.0 0.0 0.5 setrgbcolor show } bind def");
+    }
+    else
+    {
+      puts("/S { 0.0 setgray show } bind def");
+      puts("/r { 0.2 setgray show } bind def");
+      puts("/g { 0.2 setgray show } bind def");
+      puts("/b { 0.2 setgray show } bind def");
+    }
+
+    puts("/I { FI setfont moveto } bind def");
+
+    puts("/n {");
+    puts("\t20 string cvs % convert page number to string");
+    puts("\tdup length % get length");
+    puts("\tdup 2 mul string /P exch def % P = string twice as long");
+    puts("\t0 1 2 index 1 sub { % loop through each character in the page number");
+    puts("\t\tdup 3 index exch get % get character N from the page number");
+    puts("\t\texch 2 mul dup % compute offset in P");
+    puts("\t\tP exch 0 put % font 0");
+    puts("\t\t1 add P exch 2 index put % character");
+    puts("\t\tpop % discard character");
+    puts("\t} for % do for loop");
+    puts("\tpop pop % discard string and length");
+    puts("\tP % put string on stack");
+    puts("} bind def");
+
+    printf("/T");
+    write_text(title);
+    puts("def");
+
+    printf("/D");
+    write_text(curdate);
+    puts("def");
+
+    puts("/H {");
+    puts("gsave");
+    puts("\t0.9 setgray");
+
+    if (Duplex)
+    {
+      puts("\tdup 2 mod 0 eq {");
+      printf("\t\t%.3f %.3f translate } {\n",
+             PageWidth - PageRight, PageTop + 72.0f / LinesPerInch);
+      printf("\t\t%.3f %.3f translate } ifelse\n",
+             PageLeft, PageTop + 72.0f / LinesPerInch);
+    }
+    else
+      printf("\t%.3f %.3f translate\n",
+             PageLeft, PageTop + 72.0f / LinesPerInch);
+
+    printf("\t0 0 %.3f %.3f rectfill\n", PageRight - PageLeft,
+	   144.0f / LinesPerInch);
+
+    puts("\tFB setfont");
+    puts("\t0 setgray");
+
+    if (Duplex)
+    {
+      puts("\tdup 2 mod 0 eq {");
+      printf("\t\tT stringwidth pop neg %.3f add %.3f } {\n",
+             PageRight - PageLeft - 36.0f / LinesPerInch,
+	     (0.5f + 0.157f) * 72.0f / LinesPerInch);
+      printf("\t\t%.3f %.3f } ifelse\n", 36.0f / LinesPerInch,
+	     (0.5f + 0.157f) * 72.0f / LinesPerInch);
+    }
+    else
+      printf("\t%.3f %.3f\n", 36.0f / LinesPerInch,
+	     (0.5f + 0.157f) * 72.0f / LinesPerInch);
+
+    puts("\tmoveto T show");
+
+    printf("\tD dup stringwidth pop neg 2 div %.3f add %.3f\n",
+           (PageRight - PageLeft) * 0.5,
+           (0.5f + 0.157f) * 72.0f / LinesPerInch);
+    puts("\tmoveto show");
+
+    if (Duplex)
+    {
+      puts("\tdup n exch 2 mod 0 eq {");
+      printf("\t\t%.3f %.3f } {\n", 36.0f / LinesPerInch,
+	     (0.5f + 0.157f) * 72.0f / LinesPerInch);
+      printf("\t\tdup stringwidth pop neg %.3f add %.3f } ifelse\n",
+             PageRight - PageLeft - 36.0f / LinesPerInch,
+	     (0.5f + 0.157f) * 72.0f / LinesPerInch);
+    }
+    else
+      printf("\tn dup stringwidth pop neg %.3f add %.3f\n",
+             PageRight - PageLeft - 36.0f / LinesPerInch,
+	     (0.5f + 0.157f) * 72.0f / LinesPerInch);
+
+    puts("\tmoveto show");
+    puts("\tgrestore");
+    puts("} bind def");
+  }
+  else
+    puts("/S { show } bind def");
+
+  puts("%%EndResource");
+
+  puts("%%EndProlog");
+}
+
+
+/*
+ * 'write_line()' - Write a row of text.
+ */
+
+static void
+write_line(int     row,		/* I - Row number (0 to N) */
+           lchar_t *line)	/* I - Line to print */
+{
+  int		i;		/* Looping var */
+  int		col;		/* Current column */
+  int		attr;		/* Current attribute */
+  int		font,		/* Font to use */
+		lastfont,	/* Last font */
+		mono;		/* Monospaced? */
+  lchar_t	*start;		/* First character in sequence */
+
+
+  for (col = 0, start = line; col < SizeColumns;)
+  {
+    while (col < SizeColumns && (line->ch == ' ' || line->ch == 0))
+    {
+      col ++;
+      line ++;
+    }
+
+    if (col >= SizeColumns)
+      break;
+
+    if (NumFonts == 1)
+    {
+     /*
+      * All characters in a single font - assume monospaced...
+      */
+
+      attr  = line->attr;
+      start = line;
+
+      while (col < SizeColumns && line->ch != 0 && attr == line->attr)
+      {
+	col ++;
+	line ++;
+      }
+
+      write_string(col - (line - start), row, line - start, start);
+    }
+    else
+    {
+     /*
+      * Multiple fonts; break up based on the font...
+      */
+
+      attr     = line->attr;
+      start    = line;
+      lastfont = Chars[line->ch] / 256;
+      mono     = strncmp(Fonts[lastfont][0], "Courier", 7) == 0;
+      col ++;
+      line ++;
+
+      if (mono)
+      {
+	while (col < SizeColumns && line->ch != 0 && attr == line->attr)
+	{
+          font = Chars[line->ch] / 256;
+          if (strncmp(Fonts[font][0], "Courier", 7) != 0 ||
+	      font != lastfont)
+	    break;
+
+	  col ++;
+	  line ++;
+	}
+      }
+
+      if (Directions[lastfont] > 0)
+        write_string(col - (line - start), row, line - start, start);
+      else
+      {
+       /*
+        * Do right-to-left text...
+	*/
+
+	while (col < SizeColumns && line->ch != 0 && attr == line->attr)
+	{
+          if (Directions[Chars[line->ch] / 256] > 0 &&
+	      !ispunct(line->ch) && !isspace(line->ch))
+	    break;
+
+	  col ++;
+	  line ++;
+	}
+
+        for (i = 1; start < line; i ++, start ++)
+	  if (!isspace(start->ch))
+	    write_string(col - i, row, 1, start);
+      }
+    }
+  }
+}
+
+
+/*
+ * 'write_string()' - Write a string of text.
+ */
+
+static void
+write_string(int     col,	/* I - Start column */
+             int     row,	/* I - Row */
+             int     len,	/* I - Number of characters */
+             lchar_t *s)	/* I - String to print */
+{
+  int		ch;		/* Current character */
+  float		x, y;		/* Position of text */
+  unsigned	attr;		/* Character attributes */
+
+
+ /*
+  * Position the text and set the font...
+  */
+
+  if (Duplex && (NumPages & 1) == 0)
+  {
+    x = PageWidth - PageRight;
+    y = PageTop;
+  }
+  else
+  {
+    x = PageLeft;
+    y = PageTop;
+  }
+
+  x += (float)col * 72.0f / (float)CharsPerInch;
+  y -= (float)(row + 0.843) * 72.0f / (float)LinesPerInch;
+
+  attr = s->attr;
+
+  if (attr & ATTR_RAISED)
+    y += 36.0 / (float)LinesPerInch;
+  else if (attr & ATTR_LOWERED)
+    y -= 36.0 / (float)LinesPerInch;
+
+  if (x == (int)x)
+    printf("%.0f ", x);
+  else
+    printf("%.3f ", x);
+
+  if (y == (int)y)
+    printf("%.0f ", y);
+  else
+    printf("%.3f ", y);
+
+  if (attr & ATTR_BOLD)
+    putchar('B');
+  else if (attr & ATTR_ITALIC)
+    putchar('I');
+  else
+    putchar('N');
+
+  if (attr & ATTR_UNDERLINE)
+    printf(" %.3f U", (float)len * 72.0 / (float)CharsPerInch);
+
+  if (NumFonts > 1)
+  {
+   /*
+    * Write a hex string...
+    */
+
+    putchar('<');
+
+    while (len > 0)
+    {
+      printf("%04x", Chars[s->ch]);
+
+      len --;
+      s ++;
+    }
+
+    putchar('>');
+  }
+  else
+  {
+   /*
+    * Write a quoted string...
+    */
+
+    putchar('(');
+
+    while (len > 0)
+    {
+      ch = Chars[s->ch];
+
+      if (ch < 32 || ch > 126)
+      {
+       /*
+	* Quote 8-bit and control characters...
+	*/
+
+	printf("\\%03o", ch);
+      }
+      else
+      {
+       /*
+	* Quote the parenthesis and backslash as needed...
+	*/
+
+	if (ch == '(' || ch == ')' || ch == '\\')
+	  putchar('\\');
+
+	putchar(ch);
+      }
+
+      len --;
+      s ++;
+    }
+
+    putchar(')');
+  }
+
+  if (PrettyPrint)
+  {
+    if (attr & ATTR_RED)
+      puts("r");
+    else if (attr & ATTR_GREEN)
+      puts("g");
+    else if (attr & ATTR_BLUE)
+      puts("b");
+    else
+      puts("S");
+  }
+  else
+    puts("S");
+}
+
+
+/*
+ * 'write_text()' - Write a text string, quoting/encoding as needed.
+ */
+
+static void
+write_text(const char *s)	/* I - String to write */
+{
+  int			ch;	/* Actual character value (UTF8) */
+  const unsigned char	*utf8;	/* UTF8 text */
+
+
+  if (NumFonts > 1)
+  {
+   /*
+    * 8/8 encoding...
+    */
+
+    putchar('<');
+
+    utf8 = (const unsigned char *)s;
+
+    while (*utf8)
+    {
+      if (*utf8 < 0xc0 || !UTF8)
+        ch = *utf8 ++;
+      else if ((*utf8 & 0xe0) == 0xc0)
+      {
+       /*
+        * Two byte character...
+	*/
+
+        ch = ((utf8[0] & 0x1f) << 6) | (utf8[1] & 0x3f);
+	utf8 += 2;
+      }
+      else
+      {
+       /*
+        * Three byte character...
+	*/
+
+        ch = ((((utf8[0] & 0x1f) << 6) | (utf8[1] & 0x3f)) << 6) |
+	     (utf8[2] & 0x3f);
+	utf8 += 3;
+      }
+
+      printf("%04x", Chars[ch]);
+    }
+
+    putchar('>');
+  }
+  else
+  {
+   /*
+    * Standard 8-bit encoding...
+    */
+
+    putchar('(');
+
+    while (*s)
+    {
+      if (*s < 32 || *s > 126)
+        printf("\\%03o", *s);
+      else
+      {
+	if (*s == '(' || *s == ')' || *s == '\\')
+	  putchar('\\');
+
+	putchar(*s);
+      }
+
+      s ++;
+    }
+
+    putchar(')');
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/fonts/AvantGarde-Book b/fonts/AvantGarde-Book
new file mode 100644
index 000000000..4d3a8b2ba
--- /dev/null
+++ b/fonts/AvantGarde-Book
diff --git a/fonts/AvantGarde-BookOblique b/fonts/AvantGarde-BookOblique
new file mode 100644
index 000000000..c25c6ee4c
--- /dev/null
+++ b/fonts/AvantGarde-BookOblique
diff --git a/fonts/AvantGarde-Demi b/fonts/AvantGarde-Demi
new file mode 100644
index 000000000..67046dbe6
--- /dev/null
+++ b/fonts/AvantGarde-Demi
diff --git a/fonts/AvantGarde-DemiOblique b/fonts/AvantGarde-DemiOblique
new file mode 100644
index 000000000..e0f6559e9
--- /dev/null
+++ b/fonts/AvantGarde-DemiOblique
diff --git a/fonts/Bookman-Demi b/fonts/Bookman-Demi
new file mode 100644
index 000000000..4e26c1cf5
--- /dev/null
+++ b/fonts/Bookman-Demi
diff --git a/fonts/Bookman-DemiItalic b/fonts/Bookman-DemiItalic
new file mode 100644
index 000000000..6520e718d
--- /dev/null
+++ b/fonts/Bookman-DemiItalic
diff --git a/fonts/Bookman-Light b/fonts/Bookman-Light
new file mode 100644
index 000000000..7cbac2c45
--- /dev/null
+++ b/fonts/Bookman-Light
diff --git a/fonts/Bookman-LightItalic b/fonts/Bookman-LightItalic
new file mode 100644
index 000000000..3ef45dcbe
--- /dev/null
+++ b/fonts/Bookman-LightItalic
diff --git a/fonts/Charter-Bold b/fonts/Charter-Bold
new file mode 100644
index 000000000..0d82077ec
--- /dev/null
+++ b/fonts/Charter-Bold
diff --git a/fonts/Charter-BoldItalic b/fonts/Charter-BoldItalic
new file mode 100644
index 000000000..c7a5f8798
--- /dev/null
+++ b/fonts/Charter-BoldItalic
diff --git a/fonts/Charter-Italic b/fonts/Charter-Italic
new file mode 100644
index 000000000..6abe1cdfd
--- /dev/null
+++ b/fonts/Charter-Italic
diff --git a/fonts/Charter-Roman b/fonts/Charter-Roman
new file mode 100644
index 000000000..b25133d51
--- /dev/null
+++ b/fonts/Charter-Roman
diff --git a/fonts/Courier b/fonts/Courier
new file mode 100644
index 000000000..0cadce7d1
--- /dev/null
+++ b/fonts/Courier
diff --git a/fonts/Courier-Bold b/fonts/Courier-Bold
new file mode 100644
index 000000000..f1da6121b
--- /dev/null
+++ b/fonts/Courier-Bold
diff --git a/fonts/Courier-BoldOblique b/fonts/Courier-BoldOblique
new file mode 100644
index 000000000..8b7c24ff3
--- /dev/null
+++ b/fonts/Courier-BoldOblique
diff --git a/fonts/Courier-Oblique b/fonts/Courier-Oblique
new file mode 100644
index 000000000..107a51337
--- /dev/null
+++ b/fonts/Courier-Oblique
diff --git a/fonts/Helvetica b/fonts/Helvetica
new file mode 100644
index 000000000..ff605552c
--- /dev/null
+++ b/fonts/Helvetica
diff --git a/fonts/Helvetica-Bold b/fonts/Helvetica-Bold
new file mode 100644
index 000000000..aec380a33
--- /dev/null
+++ b/fonts/Helvetica-Bold
diff --git a/fonts/Helvetica-BoldOblique b/fonts/Helvetica-BoldOblique
new file mode 100644
index 000000000..479904083
--- /dev/null
+++ b/fonts/Helvetica-BoldOblique
diff --git a/fonts/Helvetica-Narrow b/fonts/Helvetica-Narrow
new file mode 100644
index 000000000..f2387225d
--- /dev/null
+++ b/fonts/Helvetica-Narrow
diff --git a/fonts/Helvetica-Narrow-Bold b/fonts/Helvetica-Narrow-Bold
new file mode 100644
index 000000000..7ee6a2c81
--- /dev/null
+++ b/fonts/Helvetica-Narrow-Bold
diff --git a/fonts/Helvetica-Narrow-BoldOblique b/fonts/Helvetica-Narrow-BoldOblique
new file mode 100644
index 000000000..d2e96f3b7
--- /dev/null
+++ b/fonts/Helvetica-Narrow-BoldOblique
diff --git a/fonts/Helvetica-Narrow-Oblique b/fonts/Helvetica-Narrow-Oblique
new file mode 100644
index 000000000..4ff13e5f6
--- /dev/null
+++ b/fonts/Helvetica-Narrow-Oblique
diff --git a/fonts/Helvetica-Oblique b/fonts/Helvetica-Oblique
new file mode 100644
index 000000000..876cda876
--- /dev/null
+++ b/fonts/Helvetica-Oblique
diff --git a/fonts/Makefile b/fonts/Makefile
new file mode 100644
index 000000000..b6cdbb34b
--- /dev/null
+++ b/fonts/Makefile
@@ -0,0 +1,75 @@
+#
+# "$Id$"
+#
+#   Fonts makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Font files...
+#
+
+FONTS	=	AvantGarde-Book AvantGarde-BookOblique AvantGarde-Demi \
+		AvantGarde-DemiOblique Bookman-Demi Bookman-DemiItalic \
+		Bookman-Light Bookman-LightItalic Charter-Bold \
+		Charter-BoldItalic Charter-Italic Charter-Roman Courier \
+		Courier-Bold Courier-BoldOblique Courier-Oblique \
+		Helvetica Helvetica-Bold Helvetica-BoldOblique \
+		Helvetica-Narrow Helvetica-Narrow-Bold \
+		Helvetica-Narrow-BoldOblique Helvetica-Narrow-Oblique \
+		Helvetica-Oblique NewCenturySchlbk-Bold \
+		NewCenturySchlbk-BoldItalic NewCenturySchlbk-Italic \
+		NewCenturySchlbk-Roman Palatino-Bold \
+		Palatino-BoldItalic Palatino-Italic Palatino-Roman \
+		Symbol Times-Bold Times-BoldItalic Times-Italic \
+		Times-Roman Utopia-Bold Utopia-BoldItalic Utopia-Italic \
+		Utopia-Regular ZapfChancery-MediumItalic ZapfDingbats
+
+
+#
+# Make everything...
+#
+
+all:
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(DATADIR)/fonts
+	for file in $(FONTS); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/fonts; \
+	done
+
+
+#
+# End of "$Id$".
+#
diff --git a/fonts/NewCenturySchlbk-Bold b/fonts/NewCenturySchlbk-Bold
new file mode 100644
index 000000000..321a282f4
--- /dev/null
+++ b/fonts/NewCenturySchlbk-Bold
diff --git a/fonts/NewCenturySchlbk-BoldItalic b/fonts/NewCenturySchlbk-BoldItalic
new file mode 100644
index 000000000..31e589003
--- /dev/null
+++ b/fonts/NewCenturySchlbk-BoldItalic
diff --git a/fonts/NewCenturySchlbk-Italic b/fonts/NewCenturySchlbk-Italic
new file mode 100644
index 000000000..2fbd61647
--- /dev/null
+++ b/fonts/NewCenturySchlbk-Italic
diff --git a/fonts/NewCenturySchlbk-Roman b/fonts/NewCenturySchlbk-Roman
new file mode 100644
index 000000000..6cbded3c7
--- /dev/null
+++ b/fonts/NewCenturySchlbk-Roman
diff --git a/fonts/Palatino-Bold b/fonts/Palatino-Bold
new file mode 100644
index 000000000..7f5df43f3
--- /dev/null
+++ b/fonts/Palatino-Bold
diff --git a/fonts/Palatino-BoldItalic b/fonts/Palatino-BoldItalic
new file mode 100644
index 000000000..1c812b839
--- /dev/null
+++ b/fonts/Palatino-BoldItalic
diff --git a/fonts/Palatino-Italic b/fonts/Palatino-Italic
new file mode 100644
index 000000000..8d0f820de
--- /dev/null
+++ b/fonts/Palatino-Italic
diff --git a/fonts/Palatino-Roman b/fonts/Palatino-Roman
new file mode 100644
index 000000000..4101b7335
--- /dev/null
+++ b/fonts/Palatino-Roman
diff --git a/fonts/Symbol b/fonts/Symbol
new file mode 100644
index 000000000..d0505e46c
--- /dev/null
+++ b/fonts/Symbol
diff --git a/fonts/Times-Bold b/fonts/Times-Bold
new file mode 100644
index 000000000..47f8fd57d
--- /dev/null
+++ b/fonts/Times-Bold
diff --git a/fonts/Times-BoldItalic b/fonts/Times-BoldItalic
new file mode 100644
index 000000000..2d19d942e
--- /dev/null
+++ b/fonts/Times-BoldItalic
diff --git a/fonts/Times-Italic b/fonts/Times-Italic
new file mode 100644
index 000000000..aa9ff5f8a
--- /dev/null
+++ b/fonts/Times-Italic
diff --git a/fonts/Times-Roman b/fonts/Times-Roman
new file mode 100644
index 000000000..cbae7ed15
--- /dev/null
+++ b/fonts/Times-Roman
diff --git a/fonts/Utopia-Bold b/fonts/Utopia-Bold
new file mode 100644
index 000000000..06b91085a
--- /dev/null
+++ b/fonts/Utopia-Bold
diff --git a/fonts/Utopia-BoldItalic b/fonts/Utopia-BoldItalic
new file mode 100644
index 000000000..c36689694
--- /dev/null
+++ b/fonts/Utopia-BoldItalic
diff --git a/fonts/Utopia-Italic b/fonts/Utopia-Italic
new file mode 100644
index 000000000..e33f16af9
--- /dev/null
+++ b/fonts/Utopia-Italic
diff --git a/fonts/Utopia-Regular b/fonts/Utopia-Regular
new file mode 100644
index 000000000..1772a3a0b
--- /dev/null
+++ b/fonts/Utopia-Regular
diff --git a/fonts/ZapfChancery-MediumItalic b/fonts/ZapfChancery-MediumItalic
new file mode 100644
index 000000000..28443517d
--- /dev/null
+++ b/fonts/ZapfChancery-MediumItalic
diff --git a/fonts/ZapfDingbats b/fonts/ZapfDingbats
new file mode 100644
index 000000000..4a3c386d2
--- /dev/null
+++ b/fonts/ZapfDingbats
diff --git a/install-sh b/install-sh
new file mode 100755
index 000000000..398a88e14
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,251 @@
+#!/bin/sh
+#
+# install - install a program, script, or datafile
+# This comes from X11R5 (mit/util/scripts/install.sh).
+#
+# Copyright 1991 by the Massachusetts Institute of Technology
+#
+# Permission to use, copy, modify, distribute, and sell this software and its
+# documentation for any purpose is hereby granted without fee, provided that
+# the above copyright notice appear in all copies and that both that
+# copyright notice and this permission notice appear in supporting
+# documentation, and that the name of M.I.T. not be used in advertising or
+# publicity pertaining to distribution of the software without specific,
+# written prior permission.  M.I.T. makes no representations about the
+# suitability of this software for any purpose.  It is provided "as is"
+# without express or implied warranty.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.  It can only install one file at a time, a restriction
+# shared with many OS's install programs.
+
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+transformbasename=""
+transform_arg=""
+instcmd="$mvprog"
+chmodcmd="$chmodprog 0755"
+chowncmd=""
+chgrpcmd=""
+stripcmd=""
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=""
+dst=""
+dir_arg=""
+
+while [ x"$1" != x ]; do
+    case $1 in
+	-c) instcmd="$cpprog"
+	    shift
+	    continue;;
+
+	-d) dir_arg=true
+	    shift
+	    continue;;
+
+	-m) chmodcmd="$chmodprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-o) chowncmd="$chownprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-g) chgrpcmd="$chgrpprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-s) stripcmd="$stripprog"
+	    shift
+	    continue;;
+
+	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
+	    shift
+	    continue;;
+
+	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
+	    shift
+	    continue;;
+
+	*)  if [ x"$src" = x ]
+	    then
+		src=$1
+	    else
+		# this colon is to work around a 386BSD /bin/sh bug
+		:
+		dst=$1
+	    fi
+	    shift
+	    continue;;
+    esac
+done
+
+if [ x"$src" = x ]
+then
+	echo "install:	no input file specified"
+	exit 1
+else
+	:
+fi
+
+if [ x"$dir_arg" != x ]; then
+	dst=$src
+	src=""
+	
+	if [ -d $dst ]; then
+		instcmd=:
+		chmodcmd=""
+	else
+		instcmd=$mkdirprog
+	fi
+else
+
+# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
+# might cause directories to be created, which would be especially bad 
+# if $src (and thus $dsttmp) contains '*'.
+
+	if [ -f $src -o -d $src ]
+	then
+		:
+	else
+		echo "install:  $src does not exist"
+		exit 1
+	fi
+	
+	if [ x"$dst" = x ]
+	then
+		echo "install:	no destination specified"
+		exit 1
+	else
+		:
+	fi
+
+# If destination is a directory, append the input filename; if your system
+# does not like double slashes in filenames, you may need to add some logic
+
+	if [ -d $dst ]
+	then
+		dst="$dst"/`basename $src`
+	else
+		:
+	fi
+fi
+
+## this sed command emulates the dirname command
+dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+
+# Make sure that the destination directory exists.
+#  this part is taken from Noah Friedman's mkinstalldirs script
+
+# Skip lots of stat calls in the usual case.
+if [ ! -d "$dstdir" ]; then
+defaultIFS='
+	'
+IFS="${IFS-${defaultIFS}}"
+
+oIFS="${IFS}"
+# Some sh's can't handle IFS=/ for some reason.
+IFS='%'
+set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
+IFS="${oIFS}"
+
+pathcomp=''
+
+while [ $# -ne 0 ] ; do
+	pathcomp="${pathcomp}${1}"
+	shift
+
+	if [ ! -d "${pathcomp}" ] ;
+        then
+		$mkdirprog "${pathcomp}"
+	else
+		:
+	fi
+
+	pathcomp="${pathcomp}/"
+done
+fi
+
+if [ x"$dir_arg" != x ]
+then
+	$doit $instcmd $dst &&
+
+	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else : ; fi &&
+	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else : ; fi &&
+	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else : ; fi &&
+	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else : ; fi
+else
+
+# If we're going to rename the final executable, determine the name now.
+
+	if [ x"$transformarg" = x ] 
+	then
+		dstfile=`basename $dst`
+	else
+		dstfile=`basename $dst $transformbasename | 
+			sed $transformarg`$transformbasename
+	fi
+
+# don't allow the sed command to completely eliminate the filename
+
+	if [ x"$dstfile" = x ] 
+	then
+		dstfile=`basename $dst`
+	else
+		:
+	fi
+
+# Make a temp file name in the proper directory.
+
+	dsttmp=$dstdir/#inst.$$#
+
+# Move or copy the file name to the temp name
+
+	$doit $instcmd $src $dsttmp &&
+
+	trap "rm -f ${dsttmp}" 0 &&
+
+# and set any options; do chmod last to preserve setuid bits
+
+# If any of these fail, we abort the whole thing.  If we want to
+# ignore errors from any of these, just make sure not to ignore
+# errors from the above "$doit $instcmd $src $dsttmp" command.
+
+	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else :;fi &&
+	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else :;fi &&
+	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else :;fi &&
+	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else :;fi &&
+
+# Now rename the file to the real destination.
+
+	$doit $rmcmd -f $dstdir/$dstfile &&
+	$doit $mvcmd $dsttmp $dstdir/$dstfile 
+
+fi &&
+
+
+exit 0
diff --git a/locale/C/cups_C b/locale/C/cups_C
new file mode 100644
index 000000000..a151b3823
--- /dev/null
+++ b/locale/C/cups_C
@@ -0,0 +1,133 @@
+iso-8859-1
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Color
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Color Saturation: 
+Color Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/Makefile b/locale/Makefile
new file mode 100644
index 000000000..6f59773b0
--- /dev/null
+++ b/locale/Makefile
@@ -0,0 +1,77 @@
+#
+# "$Id$"
+#
+#   Locale file makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Locales...
+#
+
+LOCALES	=	C be cs de en es fr he it ru_RU.koi8r ru_RU.cp1251 \
+		uk uk_UA.cp1251 zh_CN
+
+
+#
+# Make everything...
+#
+
+all:	translate
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(LOCALEDIR)
+	for dir in $(LOCALES) ; do \
+		$(INSTALL_DIR) $(LOCALEDIR)/$$dir ; \
+		$(INSTALL_DATA) $$dir/cups_$$dir $(LOCALEDIR)/$$dir ; \
+	done
+
+
+#
+# translate - a simple utility to use Bablefish to translate the POSIX message
+#             file to one of several languages.
+#
+# translate outfile language
+#
+
+translate:	translate.o ../cups/$(LIBCUPS)
+	echo Linking $<...
+	$(CC) $(LDFLAGS) -o translate translate.o $(LIBS)
+
+translate.o:	../cups/http.h
+
+
+#
+# End of "$Id$".
+#
diff --git a/locale/be/cups_be b/locale/be/cups_be
new file mode 100644
index 000000000..c7883d6b2
--- /dev/null
+++ b/locale/be/cups_be
@@ -0,0 +1,132 @@
+windows-1251
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/cs/cups_cs b/locale/cs/cups_cs
new file mode 100644
index 000000000..98a1a89ec
--- /dev/null
+++ b/locale/cs/cups_cs
@@ -0,0 +1,133 @@
+iso-8859-2
+OK
+Zru¹it
+Nápovìda
+Ukonèit
+Zavøít
+Ano
+Ne
+Zap
+Vyp
+UloŸit
+Zahodit
+Výchozí
+MoŸnosti
+Více informací
+Èerná
+Barva
+Azurová
+Purpurová
+®lutá
+Copyright 1993-2002 Easy Software Products, v¹echna práva vyhrazena.
+Obecné
+Tiskárna
+Obrázek
+HP-GL/2
+Extra
+Dokument
+Ostatní
+Vytisknout stránky: 
+Celý dokument
+Rozsah stránek: 
+Obrácené poøadí: 
+Formát stránky: 
+ 1-Up
+ 2-Up
+ 4-Up
+Zvìt¹ení obrázku: 
+PouŸít pøirozenou velikost
+Zvìt¹it podle procent
+Zvìt¹it podle PPI
+Zrcadlit obrázek: 
+Barevné nasycení: 
+Svìtlost: 
+Pøizpùsobit stránce: 
+Stínování: 
+©íøka pera: 
+Gamma korekce: 
+Jas: 
+Pøidat
+Smazat
+Zmìnit
+URI tiskárny
+Název tiskárny
+Umístìní tiskárny
+Info o tiskárnì
+Model tiskárny
+URI zaøízení
+Formátuji stránku
+Tisknu stránku
+Inicializuji tiskárnu
+Stav tiskárny
+Pøijímá úlohy
+Nepøijímá úlohy
+Vytisknout úlohy
+Tøída
+Lokální
+Vzdálená
+Duplexní
+Se¹ití
+Rychlé kopie
+Srovnané kopie
+Dìrování
+Obal
+Vazba
+Tøídìní
+Malé (aŸ do 9.5x14in)
+Støední (od 9.5x14in do 13x19in)
+Velké (13x19in a vìt¹í)
+Vlastní velikost
+Neèinná
+Probíhá zpracování
+Zastaveno
+V¹e
+Liché
+Sudé
+Svìtlej¹í		     Tmavìj¹í
+Velikost média
+Typ média
+Zdroj média
+Orientace: 
+Portrét
+Krajina
+Stav úlohy
+Název úlohy
+UŸivatelské jméno
+Priorita
+Kopie
+Velikost souboru
+Nevyøízená
+Výstupní reŸim
+Rozli¹ení
+Text
+Hezký tisk
+Okraje
+Vlevo
+Vpravo
+Dole
+Nahoøe
+Soubor(y)
+Tisk
+400 Vá¹ prohlíŸeè odeslal poŸadavek, kterému tento server nerozumí.
+Server nemohl ovìøit, zda máte oprávnìní pøistupovat k tomuto zdroji.
+Pøístup k tomuto serveru je placený.
+Nemáte oprávnìní pøistupovat k tomuto zdroji.
+PoŸadovaný zdroj nebyl nalezen na tomto serveru.
+PoŸadovaná metoda není pøípustná.
+Odpovídající reprezentace zdroje nebyla nalezena.
+Nemáte oprávnìní pouŸívat tento server jako proxy hostitele.
+PoŸadavek zabral pøíli¹ mnoho èasu a byl pøeru¹en.
+PoŸadovaný zdroj má více neŸ jednu hodnotu.
+PoŸadovaný zdroj byl zru¹en bez náhrady.
+PoŸadovaná metoda vyŸaduje platné pole Content-Length.
+Podmínka tohoto poŸadavku byla vyhodnocena zápornì.
+PoŸadavek je pro tento server pøíli¹ velký ke zpracování.
+URI poŸadavku je pro tento server pøíli¹ velké ke zpracování.
+Formát poŸadavku nebyl serverem pochopen.
+426 Je vyŸadována aktualizace na zabezpeèený protokol. Vidíte-li tuto zprávu ve WWW prohlíŸeèi, znamená to, Ÿe není podporován.
+500 Server narazil na kritickou chybu a nemùŸe pokraèovat ve zpracování poŸadavku.
+PoŸadovaná metoda není implementována.
+Proxy server obdrŸel neplatnou odpovìï od nadøazeného serveru.
+PoŸadovaný zdroj je momentálnì nedostupný.
+Proxy server zabral pøíli¹ mnoho èasu na odpovìï tomuto serveru.
+Tento server nepodporuje HTTP ve verzi, kterou poŸaduje vá¹ prohlíŸeè.
diff --git a/locale/de/cups_de b/locale/de/cups_de
new file mode 100644
index 000000000..652d10f93
--- /dev/null
+++ b/locale/de/cups_de
@@ -0,0 +1,134 @@
+iso-8859-1
+Okay
+Abbrechen
+Hilfe
+Beenden
+Schließen
+Ja
+Nein
+An
+Aus
+Speichern
+Verwerfen
+Default
+Optionen
+Mehr Info
+Schwarz
+Farbe
+Cyan
+Magenta
+Gelb
+Copyright 1993-2002 durch Easy Software Products, alle Rechte vorbehalten. 
+Allgemein
+Drucker
+Bild
+HP-GL/2
+Speziell
+Dokument
+Andere
+Druckbereich:
+Gesamtes Dokument 
+Seitenbereich: 
+Umgedrehte Reihenfolge: 
+Seitenformat:
+ normal
+ 2 auf 1
+ 4 auf 1
+Bild-Skalierung: 
+Natürliche Bildgröße 
+Zoom in Prozent 
+Zoom in PPI 
+Gespiegelte Ausgabe: 
+Farbsättigung: 
+Farbton: 
+Auf Seite anpassen: 
+Schattiert: 
+Strichstärke: 
+Gamma-Korrektur: 
+Helligkeit: 
+Hinzufügen
+Löschen 
+Ändern
+Drucker-URI 
+Drucker-Name 
+Drucker-Standort 
+Drucker-Info 
+Drucker-Modell
+Device-URI 
+Formatiere Seite 
+Drucke Seite 
+Initialisiere Drucker 
+Drucker-Zustand 
+Bereit
+Nicht bereit
+Druckaufträge
+Klasse
+Lokal 
+Remote
+Duplex
+Hefter 
+Schnellkopien
+Sortieren/Gruppieren
+Locher
+Deckblatt
+Bindung
+Sortieren
+Klein (bis 14x35cm) 
+Medium (14x35cm bis 33x48cm) 
+Groß (33x48cm und größer) 
+Benutzerspezifische Größe 
+Leerlauf 
+In Arbeit 
+Gestoppt 
+Alles 
+Ungerade 
+Gerade
+Dunkler                    Heller
+Medien-Größe 
+Medium 
+Medien-Quelle 
+Ausrichtung: 
+Hochformat 
+Querformat 
+Job-Status
+Job-Name
+Benutzername
+Priorität
+Kopien
+Dateigröße
+In Warteposition
+Ausgabe-Modus
+Auflösung
+Text
+Spezieller Druck
+Seitenränder
+Links
+Recht
+Unterseite
+Oberseite
+Dateiname(s)
+Druker
+400 Der Server versteht die Anfrage Ihres Browsers nicht. 
+Der Server konnte nicht Ihre Berechtigung überprüfen, diese Ressource zu benutzen. 
+Sie müssen bezahlen, um auf diesen Server zuzugreifen. 
+Sie sind nicht berechtigt, auf diese Ressource des Servers zuzugreifen. 
+Die gewünschte Ressource wurde auf diesem Server nicht gefunden. 
+Die gewünschte Methode ist mit dieser Ressource nicht erlaubt. 
+Eine passende Art der Ressource wurde auf diesem Server nicht gefunden. 
+Sie können diesen Server nicht als Proxy-Server verwenden. 
+Der Auftrag brauchte zu lang zur Beendigung und wurde abgebrochen. 
+Die gewünschte Ressource besitzt mehr als einen Wert. 
+Die gewünschte Ressource existiert nicht mehr und wurde nicht ersetzt. 
+Die gewünschte Methode benötigt eine gültige Länge des Inhalts. 
+Die Voraussetzungen für den Auftrag sind nicht erfüllt. 
+Der Auftrag ist zu groß, um auf diesem Server verarbeitet zu werden. 
+Die URI des Auftrags ist zu groß, um auf diesem Server verarbeitet zu werden. 
+Das Format des Auftrags wird von diesem Server nicht verstanden. 
+426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.
+500 Der Server hat einen nicht behebbaren Fehler entdeckt und kann Ihren Auftrag nicht verarbeiten. 
+Die gewünschte Methode ist auf diesen Server nicht implementiert. 
+Der Proxy-Server empfing eine unzulässige Antwort von einem höheren Server. 
+Die gewünschte Ressource ist aktuell auf diesem Server nicht verfügbarr. 
+Der Proxy-Server braucht zu lang, um auf diesen Server zu reagieren. 
+Dieser Server unterstützt nicht die HTTP-Version, die Ihr Browser benötigt.
+
diff --git a/locale/en/cups_en b/locale/en/cups_en
new file mode 100644
index 000000000..e0730f7fa
--- /dev/null
+++ b/locale/en/cups_en
@@ -0,0 +1,133 @@
+iso-8859-1
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/es/cups_es b/locale/es/cups_es
new file mode 100644
index 000000000..980d49225
--- /dev/null
+++ b/locale/es/cups_es
@@ -0,0 +1,133 @@
+iso-8859-1
+OK
+Cancel
+Ayuda
+Salido
+Cercano
+Sí
+No
+En
+De
+Excepto
+Descarte
+Valor por defecto
+Opciones
+Más Info
+Negro
+Color 
+Ciánico 
+Magenta 
+Amarillo 
+El copyright 1993-2002 por Easy Software Products, todos endereza reservado. 
+General 
+Impresora 
+Imagen
+HP-GL/2
+Suplemento 
+Documento 
+Otro 
+Paginaciones De la Impresión: 
+Entero Documento 
+Rango De Paginación: 
+Orden Reversa: 
+Formato De la Paginación: 
+ 1-Up 
+ 2-Up 
+ 4-Up 
+Escalamiento De la Imagen: 
+Talla Natural De la Imagen Del Uso 
+Zoom de Percent 
+Zoom de PPI 
+Imagen Del Espejo: 
+Saturación Del Color: 
+Tonalidad Del Color: 
+Quepa para paginar: 
+Sombreando: 
+Anchura De la Pluma: 
+Corrección Gamma: 
+Brillo: 
+Agregue 
+Cancelación 
+Modifiqúese 
+URI De la Impresora 
+Nombre De la Impresora 
+Localización De la Impresora 
+Impresora Info 
+La impresora hace y modela 
+URI Del Dispositivo 
+Paginación Del Formato 
+Imprimiendo La Paginación 
+De Incialización Impresora 
+Estado De la Impresora 
+Validando Trabajos 
+No validando Trabajos 
+Trabajos De Impresión 
+Clase 
+Local 
+Telecontrol 
+Duplexing 
+Sujetando con grapa 
+Rápidas Copias 
+Clasificadas Copias 
+Perforación Del Agujero 
+Cubierta 
+Atando 
+Clasificando 
+Pequeño (los hasta 9.5x14in) 
+Media (los 9.5x14in a el 13x19in) 
+Grande (el 13x19in y más grande) 
+De encargo Talla 
+Marcha lenta 
+Procesando 
+Parado 
+Todo 
+Impar 
+Par
+Más Oscuro       Más Brillante
+Talla De Media 
+Tipo De Media 
+Fuente De los Media 
+Orientación: 
+Retrato 
+Paisaje 
+Estatus del trabajo
+Nombre del trabajo
+Nombre del utilizador
+Prioridad
+Copias
+Tamaño
+Pendiente
+Modo de impresión
+Resolución
+Texto
+Especial impresión
+Márgenes
+Izquierda
+La derecha
+Fondo
+Tapa
+Nombre(s)
+Impresión 
+400 Su browser envió una petición que este servidor no podría entender. 
+Este servidor no podría verificar que le autoricen a tener acceso al recurso. 
+Usted debe pagar tener acceso a este servidor. 
+Usted no tiene permiso de tener acceso al recurso en este servidor. 
+El recurso solicitado no fue encontrado en este servidor. 
+El método solicitado no se permite con el recurso. 
+Una representación apropiada para el recurso no fue encontrada en este servidor. 
+Usted no tiene permiso de utilizar este servidor como ordenador principal del poder. 
+La petición ha durado demasiado para terminar y se ha abortado. 
+El recurso solicitado tiene más de un valor. 
+Se va y no se ha substituido el recurso solicitado. 
+El método solicitado requiere un Content-Length válido. 
+La condición previa en la petición evaluó a falso. 
+La petición es demasiado grande para que este servidor procese. 
+El URI de la petición es demasiado grande para que este servidor procese. 
+El formato de la petición no es entendido por este servidor. 
+426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.
+500 El servidor ha detectado un error irrecuperable y no puede procesar su petición. 
+El método solicitado no es puesto en ejecución por este servidor. 
+El proxy server recibió una respuesta inválida de un servidor por aguas arriba. 
+El recurso solicitado es actualmente inasequible en este servidor. 
+El proxy server ha durado demasiado para responder a este servidor. 
+Este servidor no utiliza la versión del HTTP requerida por su browser. 
diff --git a/locale/fr/cups_fr b/locale/fr/cups_fr
new file mode 100644
index 000000000..189697f2d
--- /dev/null
+++ b/locale/fr/cups_fr
@@ -0,0 +1,133 @@
+iso-8859-1
+OK
+Annulation
+Aide
+Quitté
+Fermer
+Oui
+Non
+Oui
+Non
+Sauver
+Quitté
+Défaut
+Options
+Plus d'information
+Noir
+Couleur
+Cyan
+Magenta
+Jaune
+Copyright 1993-2002 par Easy Software Products, tous droits réservés.
+Général
+Imprimante
+Image
+HP-GL/2
+Options supplémentaires
+Document
+Autre
+Pages d'impression: 
+Entier document
+Chaîne de page
+Commande d'Inversion: 
+Pages par feuilles: 
+ 1
+ 2
+ 4
+Graduation d'image: 
+Emploi taille normale d'image
+Zoom par pourcent
+Zoom par PPI
+Image de miroir: 
+Saturation de couleur: 
+Teinture de couleur: 
+Correspondre au page: 
+Ombrageant: 
+Largeur de crayon lecteur: 
+Correction de Gamma: 
+Éclat: 
+Ajoutez
+Éffacer
+Modifiez
+URI de l'imprimante
+Nom de l'imprimante
+Emplacement de l'imprimante
+Information de l'imprimante
+Font et modèlent de l'imprimante
+Dispositif de l'URI
+Formatage du page
+Imprimant la page
+Initialisation de l'imprimante
+État de l'Imprimante
+Recevant les travaux
+Ne recevant pas Les Travaux
+Tirages
+Classe
+Local
+Distant
+Duplexage
+Agrafant
+Copie Rapides
+Copies Assemblées
+Poinçon de trou
+Bâche
+Liant
+Triant
+Petit (jusqu'à 9.5x1pouce)
+Moyen (9.5x1pouce à 13x19pouce)
+Grand (13x19pouce et plus grand)
+Taille faite sur commande
+Arrêter
+Traitant
+Arrêté
+Tout
+Impair
+Même
+Plus foncé    Plus Lumineux
+Dimension du medias
+Sorte de medias
+Source du medias
+Orientation: 
+Verticale
+Horizontal
+État du travail
+Nom du travail
+Nom de l'utilisateur
+Priorité
+Copies
+Grandeur du fichier
+Imminent
+Method de sortie
+Resolution
+Texte
+Empreinte Spéciale
+Marge
+Gauche
+Droite
+Bas
+Haut
+Nom du ficher(s)
+Imprimer
+400 Votre browser a envoyé une demande que ce serveur ne pouvait pas comprendre. 
+Ce serveur ne pouvait pas vérifier que vous êtes autoriséz à accéder à la ressource. 
+Vous devez payer pour accéder à ce serveur. 
+Vous n'avez pas la permission d'accéder à la ressource sur ce serveur. 
+La ressource demandée n'a pas été trouvée sur ce serveur. 
+On ne permet pas la méthode demandée avec la ressource. 
+Une représentation appropriée pour la ressource n'a pas été trouvée sur ce serveur. 
+Vous n'avez pas la permission d'utiliser ce serveur comme centre serveur de procuration. 
+La demande a pris trop longtemps pour se terminer et a été interrompue. 
+La ressource demandée a plus d'une valeur. 
+La ressource demandée est allée et n'a pas été substituée. 
+La méthode demandée exige un Content-Length valide. 
+La condition préalable sur la demande a évalué à faux. 
+La demande est trop grande pour ce serveur. 
+L'Uri de demande est trop grand pour ce serveur. 
+Le format de demande n'est pas compris par ce serveur. 
+426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.
+500 Le serveur a détecté une erreur irrémédiable et ne peut pas traiter votre demande. 
+La méthode demandée n'est pas appliquée par ce serveur. 
+Le proxy server a reçu une réponse incorrecte d'un serveur ascendant. 
+La ressource demandée est actuellement indisponible sur ce serveur. 
+Le proxy server a pris trop longtemps pour répondre à ce serveur. 
+Ce serveur ne supporte pas la version de HTTP exigée par votre browser. 
diff --git a/locale/he/cups_he b/locale/he/cups_he
new file mode 100644
index 000000000..06ae4f322
--- /dev/null
+++ b/locale/he/cups_he
@@ -0,0 +1,133 @@
+iso-8859-8
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2001 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+426 An upgrade to a secure connection is required. If you are seeing this message in a web browser then it does not support HTTP encryption upgrades.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/it/cups_it b/locale/it/cups_it
new file mode 100644
index 000000000..e1c7586ff
--- /dev/null
+++ b/locale/it/cups_it
@@ -0,0 +1,133 @@
+iso-8859-1
+Continua
+Annulla
+Aiuto
+Esci
+Chiudi
+Sì
+No
+Attivo
+Inattivo
+Salva
+Abbandona
+Predefinito
+Opzioni
+Maggiori informazioni
+Nero
+Colore
+Ciano
+Fucsia
+Giallo
+Copyright 1993-2002 Easy Software Products, tutti i diritti riservati.
+Generale
+Stampante
+Immagini
+HP-GL/2
+Extra
+Documento
+Altro
+Stampa delle pagine:
+Intero Documento
+Stampa intervallo:
+Ordine inverso:
+Formato della pagina:
+ 1-Up
+ 2-Up
+ 4-Up
+Dimensione dell'immagine:
+Usa dimensione originale dell'immagine
+Zoom in percentuale
+Zoom in PPI
+Immagine riflessa:
+Saturazione del colore:
+Tonalità del colore:
+Adatta alla pagina:
+Ombreggiatura:
+Larghezza della penna:
+Correzione gamma:
+Luminosità:
+Aggiungi
+Cancella
+Modifica
+URI della stampante
+Nome della stampante
+Collocazione della stampante
+Informazioni sulla stampante
+Produttore e modello della stampante
+URI del dispositivo
+Preparazione della pagina
+Stampa della pagina
+Inizializzazione della stampante
+Stato della stampante
+Accettazione dei lavori di stampa abilitata
+Accettazione dei lavori di stampa disabilitata
+Richieste di stampa
+Categoria
+Locale
+Remoto
+Fronte-retro
+Spillatura in corso
+Copie veloci
+Copie fascicolate
+Perforazione delle pagine (per fascicolatura)
+Inserimento copertina in corso
+Fascicolatura in corso
+Ordinamento in corso
+Piccolo (fino a 9.5x14")
+Medio (da 9.5x14" a 13x19")
+Grande (13x19" o maggiore)
+Formato personalizzato
+In attesa
+In elaborazione
+Fermo
+Tutto
+Dispari
+Pari
+Più scuro       Più chiaro
+Formato del supporto
+Tipo del supporto
+Sorgente del supporto
+Orientamento:
+Verticale
+Orizzontale
+Stato del processo
+Nome del processo
+Nome dell'utente
+Priorità
+Copie
+Dimensioni del file
+In attesa
+Modo stampa
+Risoluzione
+Testo
+Stampa di qualità
+Margini
+Sinistro
+Destro
+Inferiore
+Superiore
+Nome/i file
+Stampa
+400 Il vostro browser ha inviato una richiesta che non può essere eseguita su questo server.
+Questo server non ha potuto verificare la vostra autorizzazione ad accedere alla risorsa.
+L'accesso a questo servizio è a pagamento.
+Non avete il permesso di accedere alla risorsa richiesta su questo server.
+La risorsa richiesta non è disponibile su questo server.
+Il metodo richiesto non è consentito con la risorsa selezionata.
+Una rappresentazione adatta per la risorsa non è disponibile su questo server.
+Non avete il permesso utilizzare questo server come proxy.
+La richiesta ha impiegato troppo tempo per essere completata ed è stata annullata.
+La risorsa richiesta ha più di un valore.
+La risorsa richiesta non è più disponibile e non è stata ancora sostituita.
+Il metodo chiesto richiede un campo "Content-Length" valido.
+I prerequisiti per la richiesta non possono essere soddisfatti.
+La richiesta è troppo grande per essere eseguita da questo server.
+L'URI richiesta è troppo grande per essere eseguita da questo server.
+Il formato della richiesta non è valido su questo server.
+426 È richiesto il passaggio ad una connessione sicura. Se state leggendo questo messaggio nella finestra del vostro browser web vuol dire che non è in grado di supportare il funzionamento con HTTP crittografato.
+500 Il server ha rilevato un errore non recuperabile e non può eseguire la vostra richiesta.
+Il metodo richiesto non è implementato da questo server.
+Il proxy server ha ricevuto una risposta non valida da un server di livello superiore.
+La risorsa richiesta non è attualmente disponibile su questo server.
+Il proxy server ha impiegato troppo tempo per rispondere a questo server.
+Questo server non supporta la versione HTTP richiesta dal vostro browser.
diff --git a/locale/locale.txt b/locale/locale.txt
new file mode 100644
index 000000000..f9abe72d6
--- /dev/null
+++ b/locale/locale.txt
@@ -0,0 +1,32 @@
+This directory contains the message strings used by CUPS for various
+languages.  Each subdirectory corresponds to a different locale, and
+the cups_xx and cups_xx_YY files contain the messages for the locales
+named "xx" or "xx_YY".
+
+Each message file starts with a character set identifier, which can be
+one of the following:
+
+    us-ascii
+    iso-8859-1
+    iso-8859-2
+    iso-8859-3
+    iso-8859-4
+    iso-8859-5
+    iso-8859-6
+    iso-8859-7
+    iso-8859-8
+    iso-8859-9
+    utf-8
+
+After that, all non-blank lines are treated as messages, with any
+leading whitespace removed.  If a line starts with a number then the
+message index is updated to the number.  Otherwise, the next message
+number is used.
+
+The message indices are defined in the include file <cups/language.h>.
+The HTTP status messages use the status codes defined in <cups/http.h>.
+
+If you would like to contribute a new message file for your locale, or
+have corrections to the current ones, please send them to:
+
+    cups-support@cups.org
diff --git a/locale/ru_RU.cp1251/cups_ru_RU.cp1251 b/locale/ru_RU.cp1251/cups_ru_RU.cp1251
new file mode 100644
index 000000000..c7883d6b2
--- /dev/null
+++ b/locale/ru_RU.cp1251/cups_ru_RU.cp1251
@@ -0,0 +1,132 @@
+windows-1251
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/ru_RU.koi8r/cups_ru_RU.koi8r b/locale/ru_RU.koi8r/cups_ru_RU.koi8r
new file mode 100644
index 000000000..b12c9fe8d
--- /dev/null
+++ b/locale/ru_RU.koi8r/cups_ru_RU.koi8r
@@ -0,0 +1,132 @@
+koi8-r
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/translate.c b/locale/translate.c
new file mode 100644
index 000000000..e56690be6
--- /dev/null
+++ b/locale/translate.c
@@ -0,0 +1,259 @@
+/*
+ * "$Id$"
+ *
+ *   HTTP-based translation program for the Common UNIX Printing System (CUPS).
+ *
+ *   This program uses AltaVista's "babelfish" page to translate the POSIX
+ *   message file (C/cups_C) to several different languages.  The translation
+ *   isn't perfect, but it's a good start (better than working from scratch.)
+ *
+ *   Copyright 1997-1999 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44145 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Main entry.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <cups/http.h>
+
+
+/*
+ * 'main()' - Main entry.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  http_t	*http;		/* HTTP connection */
+  http_status_t	status;		/* Status of GET command */
+  char		line[1024],	/* Line from file */
+		*lineptr,	/* Pointer into line */
+		buffer[2048],	/* Input/output buffer */
+		*bufptr,	/* Pointer into buffer */
+		length[16];	/* Content length */
+  int		bytes;		/* Number of bytes read */
+  FILE		*in,		/* Input file */
+		*out;		/* Output file */
+
+
+  if (argc != 3)
+  {
+    fputs("Usage: translate outfile language\n", stderr);
+    return (1);
+  }
+
+  if ((in = fopen("C/cups_C", "r")) == NULL)
+  {
+    perror("translate: Unable to open input file");
+    return (1);
+  }
+
+  if ((out = fopen(argv[1], "w")) == NULL)
+  {
+    perror("translate: Unable to create output file");
+    fclose(in);
+    return (1);
+  }
+
+ /*
+  * Do character set...
+  */
+
+  fgets(line, sizeof(line), in);
+  fputs("iso-8859-1\n", out);	/* Right now that's all that Babelfish does */
+
+ /*
+  * Then strings...
+  */
+
+  while (fgets(line, sizeof(line), in) != NULL)
+  {
+   /*
+    * Strip trailing newline if necessary...
+    */
+
+    lineptr = line + strlen(line) - 1;
+    if (*lineptr == '\n')
+      *lineptr = '\0';
+
+   /*
+    * Skip leading numbers and whitespace...
+    */
+
+    lineptr = line;
+    while (isdigit(*lineptr))
+      putc(*lineptr++, out);
+
+    while (isspace(*lineptr))
+      putc(*lineptr++, out);
+
+    if (*lineptr == '\0')
+    {
+      putc('\n', out);
+      continue;
+    }
+
+   /*
+    * Encode the line into the buffer...
+    */
+
+    sprintf(buffer, "doit=done&lp=en_%s&urltext=[", argv[2]);
+    bufptr = buffer + strlen(buffer);
+
+    while (*lineptr)
+    {
+      if (*lineptr == ' ')
+        *bufptr++ = '+';
+      else if (*lineptr < ' ' || *lineptr == '%')
+      {
+        sprintf(bufptr, "%%%02X", *lineptr & 255);
+	bufptr += 3;
+      }
+      else
+        *bufptr++ = *lineptr;
+
+      lineptr ++;
+    }
+
+    *bufptr++ = '&';
+    *bufptr = '\0';
+
+    sprintf(length, "%d", bufptr - buffer);
+
+   /*
+    * Send the request...
+    */
+
+    if ((http = httpConnect("dns.easysw.com", 80)) == NULL)
+    {
+      perror("translate: Unable to contact proxy server");
+      fclose(in);
+      fclose(out);
+      return (1);
+    }
+
+    lineptr = line;
+    while (isdigit(*lineptr))
+      lineptr ++;
+    while (isspace(*lineptr))
+      lineptr ++;
+
+    printf("%s = ", lineptr);
+    fflush(stdout);
+
+    http->version = HTTP_1_0;
+    httpClearFields(http);
+    httpSetField(http, HTTP_FIELD_CONTENT_TYPE,
+                 "application/x-www-form-urlencoded");
+    httpSetField(http, HTTP_FIELD_CONTENT_LENGTH, length);
+    if (httpPost(http, "http://babelfish.altavista.digital.com/cgi-bin/translate?"))
+      httpPost(http, "http://babelfish.altavista.digital.com/cgi-bin/translate?");
+
+    httpWrite(http, buffer, bufptr - buffer);
+
+    while ((status = httpUpdate(http)) == HTTP_CONTINUE);
+
+    if (status == HTTP_OK)
+    {
+      int sawparen = 0;
+      int skipws = 1;
+      int sawbracket = 0;
+
+      while ((bytes = httpRead(http, buffer, sizeof(buffer))) > 0)
+      {
+        buffer[bytes] = '\0';
+
+        for (bufptr = buffer; *bufptr; bufptr ++)
+	{
+	  if (*bufptr == '>')
+	    sawbracket = 0;
+	  else if (*bufptr == '<')
+	  {
+	    sawbracket = 1;
+	    if (sawparen)
+	      break;
+	  }
+	  else if (*bufptr == '[' && !sawbracket)
+	    sawparen = 1;
+	  else if (sawparen)
+	  {
+	    if (skipws)
+	    {
+	      if (!isspace(*bufptr))
+              {
+	        skipws = 0;
+		*bufptr = toupper(*bufptr);
+	      }
+	    }
+
+            if (!skipws)
+	    {
+              if (*bufptr == '\n')
+	      {
+		putc(' ', out);
+		putchar(' ');
+	      }
+	      else
+	      {
+        	putc(*bufptr, out);
+        	putchar(*bufptr);
+              }
+            }
+	  }
+        }
+
+        if (sawparen && sawbracket)
+	  break;
+      }
+
+      httpFlush(http);
+      putc('\n', out);
+      putchar('\n');
+    }
+    else
+    {
+      printf("HTTP error %d\n", status);
+
+      fprintf(out, "%s\n", lineptr);
+      httpFlush(http);
+    }
+
+    httpClose(http);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/locale/uk/cups_uk b/locale/uk/cups_uk
new file mode 100644
index 000000000..19fea95db
--- /dev/null
+++ b/locale/uk/cups_uk
@@ -0,0 +1,132 @@
+koi8-u
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/uk_UA.cp1251/cups_uk_UA.cp1251 b/locale/uk_UA.cp1251/cups_uk_UA.cp1251
new file mode 100644
index 000000000..c7883d6b2
--- /dev/null
+++ b/locale/uk_UA.cp1251/cups_uk_UA.cp1251
@@ -0,0 +1,132 @@
+windows-1251
+OK
+Cancel
+Help
+Quit
+Close
+Yes
+No
+On
+Off
+Save
+Discard
+Default
+Options
+More Info
+Black
+Colour
+Cyan
+Magenta
+Yellow
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+General
+Printer
+Image
+HP-GL/2
+Extra
+Document
+Other
+Print Pages: 
+Entire Document
+Page Range:
+Reverse Order: 
+Page Format: 
+ 1-Up
+ 2-Up
+ 4-Up
+Image Scaling: 
+Use Natural Image Size
+Zoom by Percent
+Zoom by PPI
+Mirror Image: 
+Colour Saturation: 
+Colour Hue: 
+Fit to Page: 
+Shading: 
+Pen Width: 
+Gamma Correction: 
+Brightness: 
+Add
+Delete
+Modify
+Printer URI
+Printer Name
+Printer Location
+Printer Info
+Printer Make and Model
+Device URI
+Formatting Page
+Printing Page
+Initializing Printer
+Printer State
+Accepting Jobs
+Not Accepting Jobs
+Print Jobs
+Class
+Local
+Remote
+Duplexing
+Stapling
+Fast Copies
+Collated Copies
+Hole Punching
+Covering
+Binding
+Sorting
+Small (up to 9.5x14in)
+Medium (9.5x14in to 13x19in)
+Large (13x19in and larger)
+Custom Size
+Idle
+Processing
+Stopped
+All
+Odd
+Even
+Darker                     Lighter
+Media Size
+Media Type
+Media Source
+Orientation: 
+Portrait
+Landscape
+Job State
+Job Name
+User Name
+Priority
+Copies
+File Size
+Pending
+Output Mode
+Resolution
+Text
+Pretty Print
+Margins
+Left
+Right
+Bottom
+Top
+Filename(s)
+Print
+400 Your browser sent a request that this server could not understand.
+This server could not verify that you are authorized to access the resource.
+You must pay to access this server.
+You don't have permission to access the resource on this server.
+The requested resource was not found on this server.
+The requested method is not allowed with the resource.
+An appropriate representation for the resource was not found on this server.
+You don't have permission to use this server as a proxy host.
+The request has taken too long to complete and has been aborted.
+The requested resource has more than one value.
+The requested resource is gone and has not been replaced.
+The requested method requires a valid Content-Length.
+The precondition on the request evaluated to false.
+The request is too large for this server to process.
+The request URI is too large for this server to process.
+The request format is not understood by this server.
+500 The server has detected an unrecoverable error and cannot process your request.
+The requested method is not implemented by this server.
+The proxy server received an invalid response from an upstream server.
+The requested resource is currently unavailable on this server.
+The proxy server has taken too long to respond to this server.
+This server does not support the HTTP version required by your browser.
diff --git a/locale/zh_CN/cups_zh_CN b/locale/zh_CN/cups_zh_CN
new file mode 100644
index 000000000..26c56ceb5
--- /dev/null
+++ b/locale/zh_CN/cups_zh_CN
@@ -0,0 +1,133 @@
+utf-8
+确认
+�消
+帮助
+退出
+关闭
+是
+�
+打开
+关闭
+�存
+放弃
+默认
+选项
+更多信�
+黑色
+颜色
+�色
+洋红
+黄色
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+常规
+打�机
+图�
+HP-GL/2
+Extra
+文档
+其它
+打�页�：
+整个文档
+页�范围：
+��：
+页�格�：
+ 1-Up
+ 2-Up
+ 4-Up
+图�缩放：
+使用图�本身的大�
+按百分比缩放
+按 PPI 缩放
+镜�图�：
+颜色饱和度：
+色度：
+适�页�：
+阴影：
+笔宽：
+Gamma 校正：
+亮度：
+添加
+删除
+修改
+打�机 URI
+打�机�称
+打�机�置
+打�机信�
+打�机制造和型�
+设备 URI
+正在格�化页�
+正在打�页�
+正在�始化打�机
+打�机状�
+正在接�任务
+没有接�任务
+打�任务
+类别
+本地
+远程
+�工
+正在分类
+快速�制
+核对�制
+正在打孔
+正在打���
+正在装订
+正在整�
+�(24.1x35.6厘米)
+中(24.1x35.6厘米至33.0x48.3厘米)
+大(33.0x48.3厘米或更大)
+定制尺寸
+空闲
+正在处�
+�止
+全部
+奇数页
+�数页
+æ›´æ·±                      æ›´æµ…
+媒质大�
+媒质类型
+媒质��
+方�：
+纵�
+横�
+任务状�
+任务�
+用户�
+优先级
+�数
+文件大�
+等待
+输出模�
+分辨率
+文字
+良好质�
+边�
+å·¦
+�
+下
+上
+文件�
+打�
+400 您的�览器��了一个本�务器��解的请求。
+本�务器无法确认您有�访问该资�。
+您必须付费�访问本�务器。
+您没有��访问本�务器上的该资�。
+本�务器上没有�求的资�。
+请求的方法在该资�上��许。
+本�务器上没有该资�的正确表示。
+您没有��将本�务器作为代��务器。
+请求过长时间没有完�，已�被中止。
+请求的资�有多于一个值。
+请求的资�已�用完，且没有被更�。
+请求的方法需�有效的 Content-Length 标识。
+请求的��为�。
+请求过长，本�务器无法处�。
+请求的 URI 过长，本�务器无法处�。
+本�务器无法识别该请求的格�。
+426 需�安全的连接。如果您在�览器中看到本信�，您的�览器�支� HTTP 加密。
+500 �务器检测到一个无法��的错误，无法处�您的请求。
+本�务器没有实现所请求的方法。
+代��务器收到�自上游�务器的无效应答。
+请求的资�在本�务器上��用。
+代��务器长时间没有应答本�务器。
+本�务器�支�您的�览器所需�的 HTTP 版本。
diff --git a/man/.cvsignore b/man/.cvsignore
new file mode 100644
index 000000000..8c6b76a2b
--- /dev/null
+++ b/man/.cvsignore
@@ -0,0 +1,6 @@
+*.0
+*.1
+*.3
+*.5
+*.8
+*.z
diff --git a/man/Makefile b/man/Makefile
new file mode 100644
index 000000000..9d52de9c1
--- /dev/null
+++ b/man/Makefile
@@ -0,0 +1,114 @@
+#
+# "$Id$"
+#
+#   Man page makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-1999 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Man pages...
+#
+
+MAN1	=	backend.man filter.man lp.man lpoptions.man lppasswd.man \
+		lpq.man lprm.man lpr.man lpstat.man
+MAN3	=	cups-config.man
+MAN5	=	classes.conf.man cupsd.conf.man mime.convs.man mime.types.man \
+		printers.conf.man
+MAN8	=	accept.man cupsaddsmb.man cups-lpd.man cups-polld.man \
+		cupsd.man enable.man lpadmin.man lpinfo.man lpmove.man \
+		lpc.man
+
+CAT1	=	$(MAN1:.man=.$(CAT1EXT))
+CAT3	=	$(MAN3:.man=.$(CAT3EXT))
+CAT5	=	$(MAN5:.man=.$(CAT5EXT))
+CAT8	=	$(MAN8:.man=.$(CAT8EXT))
+
+
+#
+# Make everything...
+#
+
+all:	$(CAT1) $(CAT3) $(CAT5) $(CAT8)
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+	$(RM) $(CAT1) $(CAT3) $(CAT5) $(CAT8)
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(MANDIR)/man1
+	for file in $(MAN1); do \
+		$(INSTALL_MAN) $$file $(MANDIR)/man1/`basename $$file man`1; \
+	done
+	$(RM) $(MANDIR)/man1/cancel.1
+	$(LN) lp.1 $(MANDIR)/man1/cancel.1
+	$(INSTALL_DIR) $(PMANDIR)/man3
+	for file in $(MAN3); do \
+		$(INSTALL_MAN) $$file $(PMANDIR)/man3/`basename $$file man`3; \
+	done
+	$(INSTALL_DIR) $(MANDIR)/man5
+	for file in $(MAN5); do \
+		$(INSTALL_MAN) $$file $(MANDIR)/man5/`basename $$file man`5; \
+	done
+	$(INSTALL_DIR) $(AMANDIR)/man$(MAN8EXT)
+	for file in $(MAN8); do \
+		$(INSTALL_MAN) $$file $(AMANDIR)/man$(MAN8EXT)/`basename $$file man`$(MAN8EXT); \
+	done
+	$(RM) $(AMANDIR)/man$(MAN8EXT)/reject.$(MAN8EXT)
+	$(LN) accept.$(MAN8EXT) $(AMANDIR)/man$(MAN8EXT)/reject.$(MAN8EXT)
+	$(RM) $(AMANDIR)/man$(MAN8EXT)/disable.$(MAN8EXT)
+	$(LN) enable.$(MAN8EXT) $(AMANDIR)/man$(MAN8EXT)/disable.$(MAN8EXT)
+	$(INSTALL_DIR) $(MANDIR)/cat1
+	for file in $(CAT1); do \
+		$(INSTALL_MAN) $$file $(MANDIR)/cat1; \
+	done
+	$(RM) $(MANDIR)/cat1/cancel.$(CAT1EXT)
+	$(LN) lp.$(CAT1EXT) $(MANDIR)/cat1/cancel.$(CAT1EXT)
+	$(INSTALL_DIR) $(PMANDIR)/cat3
+	for file in $(CAT3); do \
+		$(INSTALL_MAN) $$file $(PMANDIR)/cat3; \
+	done
+	$(INSTALL_DIR) $(MANDIR)/cat5
+	for file in $(CAT5); do \
+		$(INSTALL_MAN) $$file $(MANDIR)/cat5; \
+	done
+	$(INSTALL_DIR) $(AMANDIR)/cat$(MAN8EXT)
+	for file in $(CAT8); do \
+		$(INSTALL_MAN) $$file $(AMANDIR)/cat$(MAN8EXT); \
+	done
+	$(RM) $(AMANDIR)/cat$(MAN8EXT)/reject.$(CAT8EXT)
+	$(LN) accept.$(CAT8EXT) $(AMANDIR)/cat$(MAN8EXT)/reject.$(CAT8EXT)
+	$(RM) $(AMANDIR)/cat$(MAN8EXT)/disable.$(CAT8EXT)
+	$(LN) enable.$(CAT8EXT) $(AMANDIR)/cat$(MAN8EXT)/disable.$(CAT8EXT)
+
+
+#
+# End of "$Id$".
+#
diff --git a/man/accept.man b/man/accept.man
new file mode 100644
index 000000000..b09637d3f
--- /dev/null
+++ b/man/accept.man
@@ -0,0 +1,60 @@
+.\"
+.\" "$Id: accept.man 2060 2002-01-23 17:25:41Z mike $"
+.\"
+.\"   accept/reject man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH accept 8 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+accept/reject \- accept/reject jobs sent to a destination
+.SH SYNOPSIS
+.B accept
+destination(s)
+.br
+.B reject
+[ -E ] [ -h
+.I server
+] [ -r
+.I reason
+]
+destination(s)
+.SH DESCRIPTION
+\fIaccept\fR instructs the printing system to accept print jobs to the
+specified destinations.
+.LP
+\fIreject\fR instructs the printing system to reject print jobs to the
+specified destinations. The \fI-r\fR option sets the reason for rejecting
+print jobs. If not specified the reason defaults to "Reason Unknown".
+.LP
+The \fI-E\fR option forces encryption when connecting to the server.
+.SH COMPATIBILITY
+The CUPS versions of \fIaccept\fR and \fIreject\fR may ask the user for an
+access password depending on the printing system configuration.  This differs
+from the System V versions which require the root user to execute these
+commands.
+.SH SEE ALSO
+cancel(1), disable(8), enable(8), lp(1), lpadmin(8), lpstat(1),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: accept.man 2060 2002-01-23 17:25:41Z mike $".
+.\"
diff --git a/man/backend.man b/man/backend.man
new file mode 100644
index 000000000..45c1a0758
--- /dev/null
+++ b/man/backend.man
@@ -0,0 +1,109 @@
+.\"
+.\" "$Id: backend.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   backend man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH backend 1 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+backend \- cups backend transmission interfaces
+.SH SYNOPSIS
+.B backend
+job user title num-copies options [
+.I filename
+]
+.SH DESCRIPTION
+The CUPS backend interface provides a standard method for sending document
+files to different physical interfaces.
+.LP
+Backends must be capable of reading from a filename on the command-line
+or from the standard input, copying the standard input to a temporary file
+if required by the physical interface.
+.LP
+The command name (argv[0]) is set to the device URI of the destination printer.
+.SH ENVIRONMENT VARIABLES
+The following environment variables are defined by the CUPS server when
+executing the backend:
+.TP 5
+CHARSET
+.br
+The default text character set (typically us-ascii or iso-8859-1).
+.TP 5
+CONTENT_TYPE
+.br
+The MIME type associated with the file (e.g. application/postscript).
+.TP 5
+CUPS_DATADIR
+.br
+The directory where data files can be found.
+.TP 5
+CUPS_SERVERROOT
+.br
+The root directory of the server.
+.TP 5
+DEVICE_URI
+.br
+The device-uri associated with the printer; this is provided for shell
+scripts which may not be able to get the passed argv[0] string.
+.TP 5
+LANG
+.br
+The default language locale (typically C or en).
+.TP 5
+PATH
+.br
+The standard execution path for external programs that may be run by
+the backend.
+.TP 5
+PPD
+.br
+The full pathname of the PostScript Printer Description (PPD) file for
+this printer.
+.TP 5
+PRINTER
+.br
+The name of the printer.
+.TP 5
+RIP_CACHE
+.br
+The recommended amount of memory to use for Raster Image Processors (RIPs).
+.TP 5
+SOFTWARE
+.br
+The name and version number of the server (typically CUPS/1.1).
+.TP 5
+TZ
+.br
+The timezone of the server.
+.TP 5
+USER
+.br
+The user executing the backend (typically lp).
+.SH SEE ALSO
+cupsd(8), filter(1)
+CUPS Interface Design Description,
+CUPS Software Administrators Manual,
+CUPS Software Programmers Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: backend.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/classes.conf.man b/man/classes.conf.man
new file mode 100644
index 000000000..22eff311e
--- /dev/null
+++ b/man/classes.conf.man
@@ -0,0 +1,72 @@
+.\"
+.\" "$Id: classes.conf.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   classes.conf man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH classes.conf 5 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+classes.conf \- class configuration file for cups
+.SH DESCRIPTION
+The \fIclasses.conf\fR file defines the local printer classes that are
+available. It is normally located in the \fI/etc/cups\fR directory and
+is generated automatically by the \fIcupsd(8)\fR program when printer
+classes are added or deleted.
+.LP
+Each line in the file can be a configuration directive, a blank line,
+or a comment. Comment lines start with the # character.
+.SH DIRECTIVES
+.TP 5
+<Class name> ... </Class>
+.br
+Defines a specific printer class.
+.TP 5
+Accepting
+.br
+Specifies whether or not the printer class is accepting new jobs.
+.TP 5
+Info
+.br
+Specifies human-readable text describing the printer class.
+.TP 5
+Location
+.br
+Specifies human-readable text describing the location of the printer class.
+.TP 5
+Printer
+.br
+Specifies a printer that is a member of the printer class.
+.TP 5
+State
+.br
+Specifies the initial state of the printer class (Idle or Stopped)
+.TP 5
+StateMessage
+.br
+Specifies the message associated with the state.
+.SH SEE ALSO
+cupsd(8), cupsd.conf(5), mime.convs(5), mime.types(5), printers.conf(5),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: classes.conf.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/cups-config.man b/man/cups-config.man
new file mode 100644
index 000000000..4e4b8bb28
--- /dev/null
+++ b/man/cups-config.man
@@ -0,0 +1,95 @@
+.\"
+.\" "$Id: cups-config.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   cups-config man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH cups-config 3 "Common UNIX Printing System" "25 October 2001" "Easy Software Products"
+.SH NAME
+cups-config \- get cups api, compiler, directory, and link information.
+.SH SYNOPSIS
+.B cups-config
+--api-version
+.br
+.B cups-config
+--cflags
+.br
+.B cups-config
+--datadir
+.br
+.B cups-config
+--help
+.br
+.B cups-config
+--ldflags
+.br
+.B cups-config
+[
+.I --image
+] [
+.I --static
+] --libs
+.br
+.B cups-config
+--serverbin
+.br
+.B cups-config
+--serverroot
+.br
+.B cups-config
+--version
+.br
+.SH DESCRIPTION
+\fBcups-config\fR is the CUPS program configuration utility. It should be
+used by application developers to determine the necessary command-line
+options for the compiler and linker, as well as determining installation
+directories for filters, configuration files, and drivers.
+.LP
+The \fI--api-version\fR command displays the current API version (major.minor).
+.LP
+The \fI--cflags\fR command displays the necessary compiler options.
+.LP
+The \fI--datadir\fR command displays the default CUPS data directory.
+.LP
+The \fI--help\fR command displays the program usage message.
+.LP
+The \fI--ldflags\fR command displays the necessary linker options.
+.LP
+The \fI--libs\fR command displays the necessary librarys to link to.
+The \fI--image\fR option adds the CUPS imaging library to the list.
+The \fI--static\fR option shows the static libraries instead of the
+default (shared) libraries.
+.LP
+The \fI--serverbin\fR command displays the default CUPS binary directory,
+where filters and backends are stored.
+.LP
+The \fI--serverroot\fR command displays the default CUPS configuration
+file directory.
+.LP
+The \fI--version\fR command displays the full version number of the
+CUPS installation (major.minor.patch).
+.SH SEE ALSO
+CUPS Software Programmers Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: cups-config.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/cups-lpd.man b/man/cups-lpd.man
new file mode 100644
index 000000000..731754e89
--- /dev/null
+++ b/man/cups-lpd.man
@@ -0,0 +1,92 @@
+.\"
+.\" "$Id: cups-lpd.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   cups-lpd man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH cups-lpd 8 "Common UNIX Printing System" "13 February 2001" "Easy Software Products"
+.SH NAME
+cups-lpd \- receive print jobs and report printer status to lpd clients
+.SH SYNOPSIS
+.B cups-lpd
+[ -o
+.I option=value
+]
+.SH DESCRIPTION
+\fBcups-lpd\fR is the CUPS Line Printer Daemon ("LPD") mini-server that
+supports legacy client systems that use the LPD protocol.
+\fBcups-lpd\fR does not act as a standalone network daemon but instead
+operates using the Internet "super-server" \fBinetd(8)\fR. Add the
+following line to the \fBinetd.conf\fR file to enable the
+\fBcups-lpd\fR daemon:
+.br
+.nf
+
+    printer stream tcp nowait lp /usr/lib/cups/daemon/cups-lpd cups-lpd
+.fi
+.LP
+If you are using the newer \fIxinetd(8)\fR daemon, add the following
+lines to the \fBxinetd.conf\fR file:
+.br
+.nf
+
+    service printer
+    {
+        socket_type = stream
+        protocol = tcp
+        wait = no
+        user = lp
+        server = /usr/lib/cups/daemon/cups-lpd
+    }
+.fi
+.SH OPTIONS
+The \fI-o\fR option to \fBcups-lpd\fR inserts options for all print queues.
+Most often this is used to disable the "l" filter so that remote print jobs
+are filtered as needed for printing:
+.br
+.nf
+
+    printer stream tcp nowait lp /usr/lib/cups/daemon/cups-lpd cups-lpd \
+        -o document-format=application/octet-stream
+.fi
+.LP
+The example shown resets the document format to be
+\fIapplication/octet-stream\fR, which forces auto-detection of the print
+file type.
+.SH COMPATIBILITY
+\fBcups-lpd\fR does not enforce the restricted source port
+number specified in RFC 1179, as using restricted ports does not
+prevent determined users from submitting print jobs. While this
+behavior is different than standard Berkeley LPD
+implementations, it should not affect normal client operations.
+.LP
+The output of the status requests follows RFC 2569, Mapping
+between LPD and IPP Protocols. Since many LPD implementations
+stray from this definition, remote status reporting to LPD
+clients may be unreliable.
+.SH SEE ALSO
+inetd(8), xinetd(8),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: cups-lpd.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/cups-polld.man b/man/cups-polld.man
new file mode 100644
index 000000000..0ee6ed8e3
--- /dev/null
+++ b/man/cups-polld.man
@@ -0,0 +1,46 @@
+.\"
+.\" "$Id: cups-polld.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   cups-polld man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH cups-polld 8 "Common UNIX Printing System" "10 May 2000" "Easy Software Products"
+.SH NAME
+cups-polld \- cups printer polling daemon
+.SH SYNOPSIS
+.B cups-polld
+.I address ipp-port interval browse-port
+.SH DESCRIPTION
+\fBcups-polld\fR polls remote servers for a list of available printers
+and printer classes every \fIinterval\fR seconds. Printer and class
+information is then broadcast to the localhost interface (127.0.0.1)
+for reception by \fBcupsd(8)\fR.
+.PP
+This program is started automatically by \fBcupsd\fR for each
+BrowsePoll directive found in the \fBcupsd.conf\fR file.
+.SH SEE ALSO
+cupsd.conf(5),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: cups-polld.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/cupsaddsmb.man b/man/cupsaddsmb.man
new file mode 100644
index 000000000..b916665bf
--- /dev/null
+++ b/man/cupsaddsmb.man
@@ -0,0 +1,114 @@
+.\"
+.\" "$Id: cupsaddsmb.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   cupsaddsmb man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH cupsaddsmb 8 "Common UNIX Printing System" "9 November 2001" "Easy Software Products"
+.SH NAME
+cupsaddsmb \- export printers to samba for windows clients
+.SH SYNOPSIS
+.B cupsaddsmb
+[ -a ] [ -U
+.I user
+] [ -v ]
+.br
+.B cupsaddsmb
+[ -u
+.I user
+] [ -v ] [ printer1 ... printerN ]
+.SH DESCRIPTION
+\fIcupsaddsmb\fR exports printers to the SAMBA software (version
+2.2.0 or higher) for use with Windows clients. Depending on the
+SAMBA configuration, you may need to provide a password to
+export the printers. This program requires the Adobe PostScript
+printer driver files described below.
+.LP
+The \fI-a\fR option exports all known printers. Otherwise, only
+the named printers are exported.
+.LP
+The \fI-U\fR option specifies the print admin username which defaults
+to your current username.
+.LP
+The \fI-v\fR option specifies that verbose information should be
+shown and is useful for debugging SAMBA configuration problems.
+.SH SAMBA CONFIGURATION
+\fIcupsaddsmb\fR uses the new RPC-based printing support in
+SAMBA 2.2.x to provide printer drivers and PPD files to Windows
+client machines. In order to use this functionality, you must
+first configure SAMBA (via the smb.conf file) to support
+printing through CUPS and provide a printer driver download
+share, as follows:
+.nf
+
+    [global]
+	load printers = yes
+	printing = cups
+	printcap name = cups
+
+    [printers]
+	comment = All Printers
+	path = /var/spool/samba
+	browseable = no
+	public = yes
+	guest ok = yes
+	writable = no
+	printable = yes
+	printer admin = root
+
+    [print$]
+	comment = Printer Drivers
+	path = /etc/samba/drivers
+	browseable = yes
+	guest ok = no
+	read only = yes
+	write list = root
+.fi
+.LP
+This configuration assumes a FHS-compliant installation of
+SAMBA; adjust the [printers] and [print$] share paths
+accordingly on your system as needed.
+.SH ADOBE POSTSCRIPT DRIVERS FOR WINDOWS
+\fIcupsaddsmb\fR uses the Adobe PostScript printer drivers for
+Windows, which are available for download from the Adobe web
+site (http://www.adobe.com). Once you have extracted the driver
+files, create a "drivers" directory in the CUPS data directory
+(usually /usr/share/cups) and copy the Adobe files using
+UPPERCASE filenames, as follows:
+.nf
+
+    ADFONTS.MFM
+    ADOBEPS4.DRV
+    ADOBEPS4.HLP
+    ADOBEPS5.DLL
+    ADOBEPSU.DLL
+    ADOBEPSU.HLP
+    DEFPRTR2.PPD
+    ICONLIB.DLL
+    PSMON.DLL
+.fi
+.SH SEE ALSO
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: cupsaddsmb.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/cupsd.conf.man b/man/cupsd.conf.man
new file mode 100644
index 000000000..a91a4582e
--- /dev/null
+++ b/man/cupsd.conf.man
@@ -0,0 +1,246 @@
+.\"
+.\" "$Id: cupsd.conf.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   cupsd.conf man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH cupsd.conf 5 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+cupsd.conf \- server configuration file for cups
+.SH DESCRIPTION
+The \fIcupsd.conf\fR file configures the CUPS scheduler, \fIcupsd(8)\fR.  It
+is normally located in the \fI/etc/cups\fR directory.
+.LP
+Each line in the file can be a configuration directive, a blank line,
+or a comment. Comment lines start with the # character. The
+configuration directives are intentionally similar to those used by the
+popular Apache web server software and are described below.
+.SH DIRECTIVES
+The following directives are understood by \fIcupsd\fR. Consult the CUPS
+Software Administrators Manual for a detailed description:
+.TP 5
+AccessLog
+.br
+Defines the access log filename.
+.TP 5
+Allow
+.br
+Allows access from the named hosts or addresses.
+.TP 5
+AuthClass
+.br
+Specifies the authentication class (User, Group, System)
+.TP 5
+AuthType
+.br
+Specifies the authentication type (None, Basic, Digest)
+.TP 5
+BrowseAddress
+.br
+Specifies a broadcast address for outgoing printer information packets.
+.TP 5
+BrowseAllow
+.br
+Allows incoming printer information packets from the named host or address.
+.TP 5
+BrowseDeny
+.br
+Denies incoming printer information packets from the named host or address.
+.TP 5
+BrowseInterval
+.br
+Specifies the maximum interval between printer information broadcasts.
+.TP 5
+BrowseOrder
+.br
+Specifies the order of printer information access control (allow,deny or deny,allow)
+.TP 5
+BrowsePoll
+.br
+Specifies a server to poll for printer information.
+.TP 5
+BrowsePort
+.br
+Specifies the port to listen to for printer information packets.
+.TP 5
+BrowseRelay
+.br
+Specifies that printer information packets should be relayed from one host or
+network to another.
+.TP 5
+BrowseShortNames
+.br
+Specifies whether remote printers will use short names ("printer") or not
+("printer@server"). This option is ignored if more than one remote printer
+exists with the same name.
+.TP 5
+BrowseTimeout
+.br
+Specifies the maximum interval between printer information updates before
+remote printers will be removed from the list of available printers.
+.TP 5
+Browsing
+.br
+Specifies whether or not remote printer browsing should be enabled.
+.TP 5
+DataDir
+.br
+Specified the directory where data files can be found.
+.TP 5
+DefaultCharset
+.br
+Specifies the default character set to use for text.
+.TP 5
+DefaultLanguage
+.br
+Specifies the default language to use for text and web content.
+.TP 5
+Deny
+.br
+Denies access to the named host or address.
+.TP 5
+DocumentRoot
+.br
+Specifies the root directory for the internal web server documents.
+.TP 5
+ErrorLog
+.br
+Specifies the error log filename.
+.TP 5
+Group
+.br
+Specifies the group name or ID that will be used when executing
+external programs.
+.TP 5
+HostNameLookups
+.br
+Specifies whether or not to do reverse lookups on client addresses.
+.TP 5
+ImplicitClasses
+.br
+Specifies whether or not to create implicit classes from identical
+remote printers.
+.TP 5
+KeepAlive
+.br
+Specifies whether or not to support HTTP Keep-Alive.
+.TP 5
+KeepAliveTimeout
+.br
+Specifies the connection timeout for HTTP Keep-Alive.
+.TP 5
+<Location /path> ... </Location>
+.br
+Specifies access control for the named location.
+.TP 5
+LogLevel
+.br
+Specifies the logging level (none, warn, error, info, or debug)
+.TP 5
+MaxClients
+.br
+Specifies the maximum number of simultaneous clients to support.
+.TP 5
+MaxLogSize
+.br
+Specifies the maximum size of the log files before they are
+rotated (0 to disable rotation)
+.TP 5
+MaxRequestSize
+.br
+Specifies the maximum request/file size in bytes (0 for no limit)
+.TP 5
+Order
+.br
+Specifies the order of HTTP access control (allow,deny or deny,allow)
+.TP 5
+PageLog
+.br
+Specifies the page log filename.
+.TP 5
+Port
+.br
+Specifies a port number to listen to for HTTP requests.
+.TP 5
+PreserveJobFiles
+.br
+Specifies whether or not to preserve job files after they are printed.
+.TP 5
+PreserveJobHistory
+.br
+Specifies whether or not to preserve the job history after they are
+printed.
+.TP 5
+Printcap
+.br
+Specifies the filename for a printcap file that is updated automatically
+with a list of available printers (needed for legacy applications)
+.TP 5
+RIPCache
+.br
+Specifies the maximum amount of memory to use when converting images
+and PostScript files to bitmaps for a printer.
+.TP 5
+RequestRoot
+.br
+Specifies the directory to store print jobs and other HTTP request
+data.
+.TP 5
+ServerAdmin
+.br
+Specifies the email address of the server administrator.
+.TP 5
+ServerBin
+.br
+Specifies the directory where backends, CGIs, daemons, and filters may
+be found.
+.TP 5
+ServerName
+.br
+Specifies the fully-qualified hostname of the server.
+.TP 5
+ServerRoot
+.br
+Specifies the directory where the server configuration files can be found.
+.TP 5
+SystemGroup
+.br
+Specifies the group to use for System class authentication.
+.TP 5
+TempDir
+.br
+Specifies the directory where temporary files are stored.
+.TP 5
+Timeout
+.br
+Specifies the HTTP request timeout in seconds.
+.TP 5
+User
+.br
+Specifies the user name or ID that is used when running external programs.
+.SH SEE ALSO
+classes.conf(5), cupsd(8), mime.convs(5), mime.types(5), printers.conf(5),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: cupsd.conf.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/cupsd.man b/man/cupsd.man
new file mode 100644
index 000000000..835237125
--- /dev/null
+++ b/man/cupsd.man
@@ -0,0 +1,56 @@
+.\"
+.\" "$Id: cupsd.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   cupsd man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH cupsd 8 "Common UNIX Printing System" "19 October 2000" "Easy Software Products"
+.SH NAME
+cupsd \- common unix printing system daemon
+.SH SYNOPSIS
+.B cupsd
+[ \-c
+.I config-file
+] [ \-f ]
+.SH DESCRIPTION
+\fIcupsd\fR is the scheduler for the Common UNIX Printing System. It
+implements a printing system based upon the Internet Printing Protocol,
+version 1.1.  If no options are specified on the command-line then the
+default configuration file (usually \fI/etc/cups/cupsd.conf\fR) will be
+used.
+.PP
+The \fI-f\fR option forces \fIcupsd\fR to run in the foreground; the
+default is to run in the background as a "daemon".
+.SH COMPATIBILITY
+\fIcupsd\fR implements all of the required IPP/1.1 attributes and
+operations. It also implements several CUPS-specific administation
+operations.
+.SH SEE ALSO
+backend(1), classes.conf(5), cupsd.conf(5), filter(1), mime.convs(5),
+mime.types(5), printers.conf(5),
+CUPS Implementation of IPP,
+CUPS Interface Design Description,
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: cupsd.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/enable.man b/man/enable.man
new file mode 100644
index 000000000..68ce9fb6b
--- /dev/null
+++ b/man/enable.man
@@ -0,0 +1,67 @@
+.\"
+.\" "$Id: enable.man 2060 2002-01-23 17:25:41Z mike $"
+.\"
+.\"   enable/disable man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH enable 8 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+disable, enable \- stop/start printers and classes
+.SH SYNOPSIS
+.B disable
+[ -E ] [ \-c ] [ -h
+.I server
+] [ \-r
+.I reason
+] destination(s)
+.br
+.B enable
+[ -E ] destination(s)
+.SH DESCRIPTION
+\fIenable\fR starts the named printers or classes.
+.LP
+\fIdisable\fR stops the named printers or classes.  The following options may
+be used:
+.TP 5
+\-c
+.br
+Cancels all jobs on the named destination.
+.TP 5
+\-r [ \fIreason\fR ]
+.br
+Sets the message associated with the stopped state. If no reason is specified
+then the message is set to "Reason Unknown".
+.LP
+The \fI-E\fR option forces encryption when connecting to the server.
+.SH COMPATIBILITY
+The CUPS versions of \fIdisable\fR and \fIenable\fR may ask the user for an
+access password depending on the printing system configuration.  This differs
+from the System V versions which require the root user to execute these
+commands.
+.SH SEE ALSO
+accept(8), cancel(1), lp(1), lpadmin(8), lpstat(1), reject(8),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+
+.\"
+.\" End of "$Id: enable.man 2060 2002-01-23 17:25:41Z mike $".
+.\"
diff --git a/man/filter.man b/man/filter.man
new file mode 100644
index 000000000..56d11214f
--- /dev/null
+++ b/man/filter.man
@@ -0,0 +1,116 @@
+.\"
+.\" "$Id: filter.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   filter man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH filter 1 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+filter \- cups file conversion filter interfaces
+.SH SYNOPSIS
+.B filter
+job user title num-copies options [
+.I filename
+]
+.SH DESCRIPTION
+The CUPS filter interface provides a standard method for adding support for
+new document types to CUPS. Each filter is capable of converting from one
+or more input formats to another format that can either be printed directly
+or piped into another filter to get it to a printable format.
+.LP
+Filters must be capable of reading from a filename on the command-line
+or from the standard input, copying the standard input to a temporary
+file as required by the file format. All output must be sent to the
+standard output.
+.LP
+The command name (argv[0]) is set to the name of the destination printer.
+.SH ENVIRONMENT VARIABLES
+The following environment variables are defined by the CUPS server when
+executing each filter:
+.TP 5
+CHARSET
+.br
+The default text character set (typically us-ascii or iso-8859-1).
+.TP 5
+CONTENT_TYPE
+.br
+The MIME type associated with the file (e.g. application/postscript).
+.TP 5
+CUPS_DATADIR
+.br
+The directory where data files can be found.
+.TP 5
+CUPS_SERVERROOT
+.br
+The root directory of the server.
+.TP 5
+DEVICE_URI
+.br
+The device-uri associated with the printer.
+.TP 5
+LANG
+.br
+The default language locale (typically C or en).
+.TP 5
+PATH
+.br
+The standard execution path for external programs that may be run by the filter.
+.TP 5
+PPD
+.br
+The full pathname of the PostScript Printer Description (PPD) file for
+this printer.
+.TP 5
+PRINTER
+.br
+The name of the printer; this is provided for shell scripts which may not be
+able to get the passed argv[0] string.
+.TP 5
+RIP_CACHE
+.br
+The recommended amount of memory to use for Raster Image Processors (RIPs).
+.TP 5
+SOFTWARE
+.br
+The name and version number of the server (typically CUPS/1.1).
+.TP 5
+TZ
+.br
+The timezone of the server.
+.TP 5
+USER
+.br
+The user executing the filter (typically lp).
+.SH COMPATIBILITY
+While the filter interface is compatible with System V interface
+scripts, it will only work with the System V interface script as the
+only filter.  Typically the interface script will be provided via the
+\fBlpadmin(8)\fR command using the \fI-i\fR option.
+.SH SEE ALSO
+backend(1), cupsd(8),
+CUPS Interface Design Description,
+CUPS Software Administrators Manual,
+CUPS Software Programmers Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: filter.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lp.man b/man/lp.man
new file mode 100644
index 000000000..9567e4524
--- /dev/null
+++ b/man/lp.man
@@ -0,0 +1,160 @@
+.\"
+.\" "$Id: lp.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lp/cancel man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lp 1 "Common UNIX Printing System" "25 September 2001" "Easy Software Products"
+.SH NAME
+lp \- print files
+.br
+cancel \- cancel jobs
+.SH SYNOPSIS
+.B lp
+[ -E ] [ \-c ] [ \-d
+.I destination
+] [ \-h
+.I server
+] [ \-m ] [ \-n
+.I num-copies
+[ \-o
+.I option
+] [ \-q
+.I priority
+] [ \-s ] [ \-t
+.I title
+] [ \-H
+.I handling
+] [ \-P
+.I page-list
+] [
+.I file(s)
+]
+.br
+.B lp
+[ -E ] [ \-c ] [ \-h
+.I server
+] [ \-i
+.I job-id
+] [ \-n
+.I num-copies
+[ \-o
+.I option
+] [ \-q
+.I priority
+] [ \-t
+.I title
+] [ \-H
+.I handling
+] [ \-P
+.I page-list
+]
+.br
+.B cancel
+[ \-a ] [ -h
+.I server
+] [
+.I id
+] [
+.I destination
+] [
+.I destination-id
+]
+.SH DESCRIPTION
+\fBlp\fR submits files for printing or alters a pending job.
+.LP
+\fBcancel\fR cancels existing print jobs. The \fI-a\fR option will remove
+all jobs from the specified destination.
+.SH OPTIONS
+The following options are recognized by \fBlp\fR:
+.TP 5
+\-E
+.br
+Forces encryption when connecting to the server.
+.TP 5
+\-d \fIdestination\fR
+.br
+Prints files to the named printer.
+.TP 5
+\-h \fIhostname\fR
+.br
+Specifies the print server hostname. The default is "localhost" or the value
+of the CUPS_SERVER environment variable.
+.TP 5
+\-i \fIjob-id\fR
+.br
+Specifies an existing job to modify.
+.TP 5
+\-m
+.br
+Send email when the job is completed (not supported CUPS 1.1.)
+.TP 5
+\-n \fIcopies\fR
+.br
+Sets the number of copies to print from 1 to 100.
+.TP 5
+\-o \fIoption\fR
+.br
+Sets a job option.
+.TP 5
+\-q \fIpriority\fR
+.br
+Sets the job priority from 1 (lowest) to 100 (highest). The
+default priority is 50.
+.TP 5
+\-s
+.br
+Do not report the resulting job IDs (silent mode.)
+.TP 5
+\-t \fIname\fR
+.br
+Sets the job name.
+.TP 5
+\-H \fIhandling\fR
+.br
+Specifies when the job should be printed. A value of
+\fIimmediate\fR will print the file immediately, a value of
+\fIhold\fR will hold the job indefinitely, and a time value
+(HH:MM) will hold the job until the specified time. Use a value
+of \fIresume\fR with the \fI-i\fR option to resume a held job.
+.TP 5
+\-P \fIpage-list\fR
+.br
+Specifies which pages to print in the document. The list can contain a
+list of numbers and ranges (#-#) separated by commas (e.g. 1,3-5,16).
+.SH COMPATIBILITY
+Unlike the System V printing system, CUPS allows printer names to contain
+any printable character except SPACE and TAB. Also, printer and class names are
+\fBnot\fR case-sensitive. 
+.LP
+The "m" option is not functional in CUPS 1.1.
+.LP
+The "q" option accepts a different range of values than the
+Solaris lp command, matching the IPP job priority values (1-100)
+instead of the Solaris values (0-39).
+.SH SEE ALSO
+lpstat(1),
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lp.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpadmin.man b/man/lpadmin.man
new file mode 100644
index 000000000..befc1cb07
--- /dev/null
+++ b/man/lpadmin.man
@@ -0,0 +1,155 @@
+.\"
+.\" "$Id: lpadmin.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpadmin man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpadmin 8 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+lpadmin \- configure cups printers and classes
+.SH SYNOPSIS
+.B lpadmin
+[ -E ] [ -h
+.I server
+] \-d
+.I destination
+.br
+.B lpadmin
+[ -E ] [ -h
+.I server
+] \-p
+.I printer
+.I option(s)
+.br
+.B lpadmin
+[ -E ] [ -h
+.I server
+] \-x
+.I destination
+.SH DESCRIPTION
+\fIlpadmin\fR configures printer and class queues provided by CUPS. It can also
+be used to set the system default printer or class.
+.LP
+The \fI-E\fR option forces encryption when connecting to the server.
+.LP
+The first form of the command sets the default printer or class to
+\fIdestination\fR.  Subsequent print jobs submitted via the \fIlp(1)\fR or
+\fIlpr(1)\fR commands will use this destination unless the user specifies
+otherwise.
+.LP
+The second form of the command configures the named printer.  The additional
+options are described below.
+.LP
+The third form of the command deletes the printer or class \fIdestination\fR.
+Any jobs that are pending for the destination will be removed and any job that
+is currently printed will be aborted.
+.SH CONFIGURATION OPTIONS
+The following options are recognized when configuring a printer queue:
+.TP 5
+\-c \fIclass\fR
+.br
+Adds the named \fIprinter\fR to \fIclass\fR.  If \fIclass\fR does not
+exist it is created automatically.
+.TP 5
+\-i \fIinterface\fR
+.br
+Sets a System V style interface script for the printer.  This option cannot
+be specified with the \fI\-P\fR option (PPD file) and is intended for
+providing support for legacy printer drivers.
+.TP 5
+\-m \fImodel\fR
+.br
+Sets a standard System V interface script or PPD file from the model
+directory.
+.TP 5
+\-o \fIname=value\fR
+.br
+Sets a PPD or server option for the printer. PPD options can be listed
+using the \fI-l\fR option with the \fIlpoptions(1)\fR command.
+.TP 5
+\-o \fIjob-k-limit=value\fR
+.br
+Sets the kilobyte limit for per-user quotas. The value is an integer number
+of kilobytes; one kilobyte is 1024 bytes.
+.TP 5
+\-o \fIjob-page-limit=value\fR
+.br
+Sets the page limit for per-user quotas. The value is the integer number of
+pages that can be printed; double-sided pages are counted as two pages.
+.TP 5
+\-o \fIjob-quota-period=value\fR
+.br
+Sets the accounting period for per-user quotas. The value is an integer number
+of seconds; 86,400 seconds are in one day.
+.TP 5
+\-r \fIclass\fR
+.br
+Removes the named \fIprinter\fR from \fIclass\fR.  If the resulting class
+becomes empty it is removed.
+.TP 5
+\-u \fIallow:user,user\fR
+\-u \fIdeny:user,user\fR
+\-u \fIallow:all\fR
+\-u \fIdeny:none\fR
+.br
+Sets user-level access control on a printer. The latter two forms turn
+user-level access control off.
+.TP 5
+\-v \fIdevice-uri\fR
+.br
+Sets the \fIdevice-uri\fR attribute of the printer queue.  If \fIdevice-uri\fR
+is a filename it is automatically converted to the form \fBfile:/file/name\fR.
+.TP 5
+\-D \fIinfo\fR
+.br
+Provides a textual description of the printer.
+.TP 5
+\-E
+.br
+Enables the printer and accepts jobs; this is the same as running the
+\fIaccept(8)\fR and \fIenable(8)\fR programs on the printer.
+.TP 5
+\-L \fIlocation\fR
+.br
+Provides a textual location of the printer.
+.TP 5
+\-P \fIppd-file\fR
+.br
+Specifies a PostScript Printer Description file to use with the printer. If
+specified, this option overrides the \fI-i\fR option (interface script).
+.SH COMPATIBILITY
+Unlike the System V printing system, CUPS allows printer names to contain
+any printable character except SPACE and TAB. Also, printer and class names are
+\fBnot\fR case-sensitive. Finally, the CUPS version of \fIlpadmin\fR may ask the
+user for an access password depending on the printing system configuration.
+This differs from the System V version which requires the root user to execute
+this command.
+.SH LIMITATIONS
+The CUPS version of \fIlpadmin\fR does not support all of the System V or
+Solaris printing system configuration options.
+.SH SEE ALSO
+accept(8), cancel(1), disable(8), enable(8), lp(1), lpstat(1), reject(8),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpadmin.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpc.man b/man/lpc.man
new file mode 100644
index 000000000..e3e5c6ebe
--- /dev/null
+++ b/man/lpc.man
@@ -0,0 +1,80 @@
+.\"
+.\" "$Id: lpc.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpc man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpc 8 "Common UNIX Printing System" "22 September 1999" "Easy Software Products"
+.SH NAME
+lpc \- line printer control program
+.SH SYNOPSIS
+.B lpc
+[
+.I command
+[
+.I parameter(s)
+] ]
+.SH DESCRIPTION
+\fIlpc\fR provides limited control over printer and class queues provided by
+CUPS. It can also be used to query the state of queues.
+.LP
+If no command is specified on the command-line, \fRlpc\fR will display a
+prompt and accept commands from the standard input.
+.SH COMMANDS
+The \fIlpc\fR program accepts a subset of commands accepted by the Berkeley
+\fIlpc\fR program of the same name:
+.TP 5
+\fIexit
+.br
+Exits the command interpreter.
+.TP 5
+help \fI[command]\fR
+.br
+Displays a short help message.
+.TP 5
+quit
+.br
+Exits the command interpreter.
+.TP 5
+status \fI[queue]\fR
+.br
+Displays the status of one or more printer or class queues.
+.TP 5
+? \fI[command]\fR
+.br
+Display a short help message.
+.SH LIMITATIONS
+Since \fIlpc\fR is geared towards the Berkeley printing system, it is impossible
+to use \fIlpc\fR to configure printer or class queues provided by CUPS.  To
+configure printer or class queues you must use the \fIlpadmin(8)\fR command
+or another CUPS-compatible client with that functionality.
+.SH COMPATIBILITY
+The CUPS version of \fIlpc\fR does not implement all of the standard Berkeley
+commands.
+.SH SEE ALSO
+accept(8), cancel(1), disable(8), enable(8), lp(1), lpr(1), lprm(1),
+lpstat(1), reject(8),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpc.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpinfo.man b/man/lpinfo.man
new file mode 100644
index 000000000..99ed6b3a9
--- /dev/null
+++ b/man/lpinfo.man
@@ -0,0 +1,60 @@
+.\"
+.\" "$Id: lpinfo.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpinfo man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpinfo 8 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+lpinfo \- show available devices or drivers
+.SH SYNOPSIS
+.B lpinfo
+[ -E ] [ -l ] [ -m ] [ -v ]
+.SH DESCRIPTION
+\fBlpinfo\fR lists the available devices or drivers known to the CUPS
+server. One of the \fI-m\fR or \fI-v\fR options must be specified to
+get any output:
+.TP 5
+\-E
+.br
+Forces encryption when connecting to the server.
+.TP 5
+\-l
+.br
+Shows a "long" listing of devices or drivers.
+.TP 5
+\-m
+.br
+Shows the available printer drivers on the system.
+.TP 5
+\-v
+.br
+Shows the available printer devices on the system.
+.SH COMPATIBILITY
+The \fBlpinfo\fR command is unique to CUPS.
+.SH SEE ALSO
+lpadmin(8),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpinfo.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpmove.man b/man/lpmove.man
new file mode 100644
index 000000000..bcbe13dfd
--- /dev/null
+++ b/man/lpmove.man
@@ -0,0 +1,53 @@
+.\"
+.\" "$Id: lpmove.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpmove man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpmove 8 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+lpmove \- move a job to a new destination
+.SH SYNOPSIS
+.B lpmove
+[ -E ]
+.I job destination
+.SH DESCRIPTION
+\fBlpmove\fR moves the specified \fIjob\fR to \fIdestination\fR. \fIjob\fR
+can be the job ID number or the old destination and job ID:
+.br
+.nf
+
+     lpmove 123 newprinter
+     lpmove oldprinter-123 newprinter
+.fi
+.LP
+The \fI-E\fR option forces encryption when connecting to the server.
+.SH COMPATIBILITY
+The System V version of this command also allows moving of all jobs from one
+queue to another. This functionality is currently not supported by CUPS.
+.SH SEE ALSO
+cancel(1), lp(1),
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpmove.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpoptions.man b/man/lpoptions.man
new file mode 100644
index 000000000..118e50893
--- /dev/null
+++ b/man/lpoptions.man
@@ -0,0 +1,116 @@
+.\"
+.\" "$Id: lpoptions.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpoptions man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpoptions 1 "Common UNIX Printing System" "5 September 2000" "Easy Software Products"
+.SH NAME
+lpoptions \- display or set printer options and defaults
+.SH SYNOPSIS
+.B lpoptions
+[ -h
+.I server
+] -d
+.I dest[/instance]
+[ -o
+.I option=value
+] ... [ -o
+.I option=value
+]
+.br
+.B lpoptions
+[ -h
+.I server
+] [ -p
+.I dest[/instance]
+] -l
+.br
+.B lpoptions
+[ -h
+.I server
+] [ -o
+.I option=value
+] ... [ -o
+.I option=value
+] -p
+.I dest[/instance]
+] -r
+.I option
+]
+.br
+.B lpoptions
+[ -h
+.I server
+] -x
+.I dest[/instance]
+.SH DESCRIPTION
+\fBlpoptions\fR displays or sets printer options and defaults.
+\fBlpoptions\fR shows the default printer options when run with no
+arguments. Other options include:
+.TP 5
+\-d \fIdest[/instance]\fR
+.br
+Sets the default printer to \fIdest\fR. If \fIinstance\fR is supplied then
+that particular instance is used. This option overrides the system default
+printer for the current user.
+.TP 5
+\-h \fIserver\fR
+.br
+Specifies the CUPS server to communicate with.
+.TP 5
+\-l
+.br
+Lists the printer specific options and their current settings.
+.TP 5
+\-o \fIoption=value\fR
+.br
+Specifies a new option for the named destination.
+.TP 5
+\-p \fIdest[/instance]\fR
+.br
+Sets the destination and instance, if specified, for any options that follow.
+If the named instance does not exist then it is created.
+.TP 5
+\-r \fIoption\fR
+.br
+Removes the specified option for the named destination.
+.TP 5
+\-x \fIdest[/instance]\fR
+.br
+Removes the options for the named destination and instance, if specified.
+If the named instance does not exist then this does nothing.
+.LP
+If no options are specified using the \fI-o\fR option then the current
+options for the named printer are reported on the standard output.
+.LP
+Options set with the \fBlpoptions\fR command are used by the \fBlp(1)\fR
+and \fBlpr(1)\fR commands when submitting jobs.
+.SH COMPATIBILITY
+The \fBlpoptions\fR command is unique to CUPS.
+.SH SEE ALSO
+cancel(1), lp(1),
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpoptions.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lppasswd.man b/man/lppasswd.man
new file mode 100644
index 000000000..be90f764f
--- /dev/null
+++ b/man/lppasswd.man
@@ -0,0 +1,61 @@
+.\"
+.\" "$Id: lppasswd.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpadmin man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lppasswd 1 "Common UNIX Printing System" "7 June 2001" "Easy Software Products"
+.SH NAME
+lppasswd \- add, change, or delete digest passwords.
+.SH SYNOPSIS
+.B lppasswd
+[ -a ] [ -g
+.I groupname
+] [ -x ] [
+.I username
+]
+.SH DESCRIPTION
+\fIlppasswd\fR adds, changes, or deletes passwords in the CUPS digest
+password file, \fIpasswd.md5\fR. When run by a normal user, \fIlppasswd\fR
+will prompt for the old and new passwords. When run by the super-user,
+\fIlppasswd\fR can add new accounts (\fI-a username\fR), change existing
+accounts (\fIusername\fR), or delete accounts (\fI-x username\fR) in the
+digest password file. Digest usernames do not have to match local UNIX
+usernames, but only UNIX usernames are supported by the CUPS client programs
+(\fIlp(1)\fR, \fIlpr(1)\fR, etc.)
+.LP
+The \fI-g\fR option specifies a group other than the system group - "sys",
+"system", or "root", depending on the operating system.
+.SH SECURITY ISSUES
+The \fIlppasswd\fR command is installed setuid to root. While every attempt
+has been made to make it secure against exploits that could grant super-user
+priviledges to unpriviledged users, paranoid system administrators may wish
+to disable or change the ownership of the program to an unpriviledged
+account.
+.SH SEE ALSO
+lp(1), lpr(1),
+CUPS Software Administrators Manual,
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lppasswd.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpq.man b/man/lpq.man
new file mode 100644
index 000000000..b3155a67a
--- /dev/null
+++ b/man/lpq.man
@@ -0,0 +1,57 @@
+.\"
+.\" "$Id: lpq.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpq man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpq 1 "Common UNIX Printing System" "13 February 2001" "Easy Software Products"
+.SH NAME
+lpq \- show printer queue status
+.SH SYNOPSIS
+.B lpq
+[ -E ] [ \-P
+.I dest
+] [ \-a ] [ \-l ] [
+.I +interval
+]
+.SH DESCRIPTION
+\fIlpq\fR shows the current print queue status on the named printer.
+Jobs queued on the default destination will be shown if no printer or
+class is specified on the command-line.
+.LP
+The \fIinterval\fR option allows you to continuously report the jobs
+in the queue until the queue is empty; the list of jobs is show one
+every \fIinterval\fR seconds.
+.LP
+The \fI-E\fR option forces encryption when connecting to the server.
+.LP
+The \fI-a\fR option reports jobs on all printers.
+.LP
+The \fI-l\fR option requests a more verbose (long) reporting format.
+.SH SEE ALSO
+cancel(1), lp(1), lpr(1), lprm(1), lpstat(1)
+.br
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpq.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpr.man b/man/lpr.man
new file mode 100644
index 000000000..d86103fae
--- /dev/null
+++ b/man/lpr.man
@@ -0,0 +1,101 @@
+.\"
+.\" "$Id: lpr.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpr man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpr 1 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+lpr \- print files
+.SH SYNOPSIS
+.B lpr
+[ -E ] [ \-P
+.I destination
+] [ \-#
+.I num-copies
+[ \-l ] [ \-o
+.I option
+] [ \-p] [ \-r ] [ \-C/J/T
+.I title
+] [
+.I file(s)
+]
+.SH DESCRIPTION
+\fBlpr\fR submits files for printing. Files named on the command line are sent
+to the named printer (or the system default destination if no destination is
+specified). If no files are listed on the command-line \fBlpr\fR reads the
+print file from the standard input.
+.SH OPTIONS
+The following options are recognized by \fBlpr\fR:
+.TP 5
+\-E
+.br
+Forces encryption when connecting to the server.
+.TP 5
+\-P \fIdestination\fR
+.br
+Prints files to the named printer.
+.TP 5
+\-# \fIcopies\fR
+.br
+Sets the number of copies to print from 1 to 100.
+.TP 5
+\-C \fIname\fR
+.br
+Sets the job name.
+.TP 5
+\-J \fIname\fR
+.br
+Sets the job name.
+.TP 5
+\-T \fIname\fR
+.br
+Sets the job name.
+.TP 5
+\-l
+.br
+Specifies that the print file is already formatted for the destination and
+should be sent without filtering. This option is equivalent to "-oraw".
+.TP 5
+\-o \fIoption\fR
+.br
+Sets a job option.
+.TP 5
+\-p
+.br
+Specifies that the print file should be formatted with a shaded header with
+the date, time, job name, and page number. This option is equivalent to
+"-oprettyprint" and is only useful when printing text files.
+.TP 5
+\-r
+.br
+Specifies that the named print files should be deleted after printing them.
+.SH COMPATIBILITY
+The "c", "d", "f", "g", "i", "m", "n", "t", "v", and "w" options are not
+supported by CUPS and will produce a warning message if used.
+.SH SEE ALSO
+cancel(1), lp(1), lpstat(1),
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpr.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lprm.man b/man/lprm.man
new file mode 100644
index 000000000..4497ded45
--- /dev/null
+++ b/man/lprm.man
@@ -0,0 +1,54 @@
+.\"
+.\" "$Id: lprm.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lprm man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lprm 1 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+lprm \- cancel print jobs
+.SH SYNOPSIS
+.B lprm
+[ -E ] [ - ] [ -P
+.I destination
+] [
+.I job ID(s)
+]
+.SH DESCRIPTION
+\fBlprm\fR cancels print jobs that have been queued for printing. The \fI-P\fR
+option specifies the destination printer or class.
+.LP
+If no arguments are supplied, the current job on the default destination is
+cancelled. You can specify one or more job ID numbers to cancel those jobs,
+or use the \fI\-\fR option to cancel all jobs.
+.LP
+The \fI-E\fR option forces encryption when connecting to the server.
+.SH COMPATIBILITY
+The CUPS version of \fIlprm\fR is compatible with the standard Berkeley
+\fIlprm\fR command.
+.SH SEE ALSO
+cancel(1), lp(1), lpstat(1), lpr(1),
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lprm.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/lpstat.man b/man/lpstat.man
new file mode 100644
index 000000000..ed5771a0a
--- /dev/null
+++ b/man/lpstat.man
@@ -0,0 +1,130 @@
+.\"
+.\" "$Id: lpstat.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   lpstat man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH lpstat 1 "Common UNIX Printing System" "23 January 2001" "Easy Software Products"
+.SH NAME
+lpstat \- print cups status information
+.SH SYNOPSIS
+.B lpstat
+[ -E ] [ -a [
+.I destination(s)
+] ] [ -c [
+.I class(es)
+] [ -d ] [ -h
+.I server
+] [ -l ] [ -o [
+.I destination(s)
+] ] [ -p [
+.I printer(s)
+] ] [ -r ] [ -R ] [ -s ] [ -t ] [ -u [
+.I user(s)
+] ] [ -v [
+.I printer(s)
+] ]
+.SH DESCRIPTION
+\fBlpstat\fR displays status information about the current classes, jobs, and
+printers. When run with no arguments, \fBlpstat\fR will list jobs queued by
+the user. Other options include:
+.TP 5
+\-E
+.br
+Forces encryption when connecting to the server.
+.TP 5
+\-a [\fIprinter(s)\fR]
+.br
+Shows the accepting state of printer queues. If no printers are
+specified then all printers are listed.
+.TP 5
+\-c [\fIclass(es)\fR]
+.br
+Shows the printer classes and the printers that belong to them. If no
+classes are specified then all classes are listed.
+.TP 5
+\-d
+.br
+Shows the current default destination.
+.TP 5
+\-h \fIserver\fR
+.br
+Specifies the CUPS server to communicate with.
+.TP 5
+\-l
+.br
+Shows a long listing of printers, classes, or jobs.
+.TP 5
+\-o [\fIdestination(s)\fR]
+.br
+Shows the jobs queue on the specified destinations. If no destinations are
+specified all jobs are shown.
+.TP 5
+\-p [\fIprinter(s)\fR]
+.br
+Shows the printers and whether or not they are enabled for printing. If
+no printers are specified then all printers are listed.
+.TP 5
+\-r
+.br
+Shows whether or not the CUPS server is running.
+.TP 5
+\-R
+.br
+Shows the ranking of print jobs.
+.TP 5
+\-s
+.br
+Shows a status summary, including the system default destination, a
+list of classes and their member printers, and a list of printers and
+their associated devices. This is equivalent to using the "-d", "-c",
+and "-p" options.
+.TP 5
+\-t
+.br
+Shows all status information. This is equivalent to using the "-r",
+"-d", "-c", "-d", "-v", "-a", "-p", and "-o" options.
+.TP 5
+\-u [\fIuser(s)\fR]
+.br
+Shows a list of print jobs queued by the specified users. If no users
+are specified, lists the jobs queued by the current user.
+.TP 5
+\-v [\fIprinter(s)\fR]
+.br
+Shows the printers and what device they are attached to. If no printers
+are specified then all printers are listed.
+.SH COMPATIBILITY
+Unlike the System V printing system, CUPS allows printer names to contain
+any printable character except SPACE and TAB. Also, printer and class names are
+\fBnot\fR case-sensitive.
+.LP
+The "-h" option is not a standard System V option.
+.LP
+The Solaris "-f", "-P", and "-S" options are silently ignored.
+.SH SEE ALSO
+cancel(1), lp(1),
+CUPS Software Users Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: lpstat.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/mime.convs.man b/man/mime.convs.man
new file mode 100644
index 000000000..c144596ed
--- /dev/null
+++ b/man/mime.convs.man
@@ -0,0 +1,54 @@
+.\"
+.\" "$Id: mime.convs.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   mime.convs man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH mime.convs 5 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+mime.convs \- mime type conversion file for cups
+.SH DESCRIPTION
+The \fImime.convs\fR file defines the filters that are available for
+converting files from one format to another. The standard filters
+support text, PDF, PostScript, HP-GL/2, and many types of image files.
+.LP
+Additional filters can be added to the \fImime.convs\fR file or to
+other files in the configuration directory (\fB/etc/cups\fR) with
+the extension ".convs".
+.LP
+Each line in the \fImime.types\fR file is a comment, blank, or filter
+line. Comment lines start with the # character. Filter lines specify
+the source and destination MIME types along with a relative cost
+associated with the filter and the filter to run:
+.br
+.nf
+
+super/type super/type cost filter
+application/postscript application/vnd.cups-raster 50 pstoraster
+.fi
+.SH SEE ALSO
+classes.conf(5), cupsd(8), cupsd.conf(5), mime.types(5), printers.conf(5),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: mime.convs.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/mime.types.man b/man/mime.types.man
new file mode 100644
index 000000000..f9621444f
--- /dev/null
+++ b/man/mime.types.man
@@ -0,0 +1,98 @@
+.\"
+.\" "$Id: mime.types.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   mime.types man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH mime.types 5 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+mime.types \- mime type description file for cups
+.SH DESCRIPTION
+The \fImime.types\fR file defines the recognized file types.
+.LP
+Additional file types can be added to \fImime.types\fR or in additional
+files in the configuration directory \fB/etc/cups\fR with the extension
+".types".
+.LP
+Each line in the \fImime.types\fR file is a comment, blank, or rule
+line. Comment lines start with the # character. Rule lines start with
+the MIME type name and are optionally followed by a series of file
+recognition rules that are used to automatically identify print and web
+files:
+.br
+.nf
+
+    super/type rule [ ... ruleN]
+.fi
+The rules may be grouped using parenthesis, joined using "+" for a
+logical AND and "," or whitespace for a logical OR, and negated using
+"!".
+.SH RULES
+Rules take two forms - a filename extension by itself and functions with test
+values inside parenthesis. The following functions are available:
+.TP 5
+match("pattern")
+.br
+Pattern match on filename
+.TP 5
+ascii(offset,length)
+.br
+True if bytes are valid printable ASCII (CR, NL, TAB, BS, 32-126)
+.TP 5
+printable(offset,length)
+.br
+True if bytes are printable 8-bit chars (CR, NL, TAB, BS, 32-126, 128-254)
+.TP 5
+string(offset,"string")
+.br
+True if bytes are identical to string
+.TP 5
+char(offset,value)
+.br
+True if byte is identical
+.TP 5
+short(offset,value)
+.br
+True if 16-bit integer is identical
+.TP 5
+int(offset,value)
+.br
+True if 32-bit integer is identical
+.TP 5
+locale("string")
+.br
+True if current locale matches string
+.TP 5
+contains(offset,range,"string")
+.br
+True if the range contains the string
+.SH STRING CONSTANTS
+String constants can be specified inside quotes ("") for strings
+containing whitespace and angle brackets (<>) for hexadecimal
+strings.
+.SH SEE ALSO
+classes.conf(5), cupsd(8), cupsd.conf(5), mime.convs(5), printers.conf(5),
+CUPS Software Administrators Manual,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: mime.types.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/man/printers.conf.man b/man/printers.conf.man
new file mode 100644
index 000000000..fa24d3e9c
--- /dev/null
+++ b/man/printers.conf.man
@@ -0,0 +1,73 @@
+.\"
+.\" "$Id: printers.conf.man 2010 2002-01-02 17:59:21Z mike $"
+.\"
+.\"   printers.conf man page for the Common UNIX Printing System (CUPS).
+.\"
+.\"   Copyright 1997-2002 by Easy Software Products.
+.\"
+.\"   These coded instructions, statements, and computer programs are the
+.\"   property of Easy Software Products and are protected by Federal
+.\"   copyright law.  Distribution and use rights are outlined in the file
+.\"   "LICENSE.txt" which should have been included with this file.  If this
+.\"   file is missing or damaged please contact Easy Software Products
+.\"   at:
+.\"
+.\"       Attn: CUPS Licensing Information
+.\"       Easy Software Products
+.\"       44141 Airport View Drive, Suite 204
+.\"       Hollywood, Maryland 20636-3111 USA
+.\"
+.\"       Voice: (301) 373-9603
+.\"       EMail: cups-info@cups.org
+.\"         WWW: http://www.cups.org
+.\"
+.TH printers.conf 5 "Common UNIX Printing System" "22 June 2000" "Easy Software Products"
+.SH NAME
+printers.conf \- printer configuration file for cups
+.SH DESCRIPTION
+The \fIprinters.conf\fR file defines the local printers that are
+available. It is normally located in the \fI/etc/cups\fR directory and
+is generated automatically by the \fIcupsd(8)\fR program when printers
+are added or deleted.
+.LP
+Each line in the file can be a configuration directive, a blank line,
+or a comment. Comment lines start with the # character.
+.SH DIRECTIVES
+.TP 5
+Accepting
+.br
+Specifies whether or not the printer is accepting new jobs.
+.TP 5
+Info
+.br
+Specifies human-readable text describing the printer.
+.TP 5
+Location
+.br
+Specifies human-readable text describing the location of the printer.
+.TP 5
+DeviceURI
+.br
+Specifies the device URI for a printer.
+.TP 5
+<Printer name> ... </Printer>
+.br
+Defines a specific printer.
+.TP 5
+State
+.br
+Specifies the initial state of the printer (Idle or Stopped)
+.TP 5
+StateMessage
+.br
+Specifies the message associated with the state.
+.SH SEE ALSO
+classes.conf(5), cupsd(8), cupsd.conf(5), mime.convs(5), mime.types(5),
+CUPS Software Administrators Manual,
+CUPS Interface Design Description,
+http://localhost:631/documentation.html
+.SH COPYRIGHT
+Copyright 1993-2002 by Easy Software Products, All Rights Reserved.
+.\"
+.\" End of "$Id: printers.conf.man 2010 2002-01-02 17:59:21Z mike $".
+.\"
diff --git a/pdftops/.cvsignore b/pdftops/.cvsignore
new file mode 100644
index 000000000..3c3f724b2
--- /dev/null
+++ b/pdftops/.cvsignore
@@ -0,0 +1 @@
+pdftops
diff --git a/pdftops/Array.cxx b/pdftops/Array.cxx
new file mode 100644
index 000000000..141afc8ca
--- /dev/null
+++ b/pdftops/Array.cxx
@@ -0,0 +1,52 @@
+//========================================================================
+//
+// Array.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include "gmem.h"
+#include "Object.h"
+#include "Array.h"
+
+//------------------------------------------------------------------------
+// Array
+//------------------------------------------------------------------------
+
+Array::Array(XRef *xrefA) {
+  xref = xrefA;
+  elems = NULL;
+  size = length = 0;
+  ref = 1;
+}
+
+Array::~Array() {
+  int i;
+
+  for (i = 0; i < length; ++i)
+    elems[i].free();
+  gfree(elems);
+}
+
+void Array::add(Object *elem) {
+  if (length + 1 > size) {
+    size += 8;
+    elems = (Object *)grealloc(elems, size * sizeof(Object));
+  }
+  elems[length] = *elem;
+  ++length;
+}
+
+Object *Array::get(int i, Object *obj) {
+  return elems[i].fetch(xref, obj);
+}
+
+Object *Array::getNF(int i, Object *obj) {
+  return elems[i].copy(obj);
+}
diff --git a/pdftops/Array.h b/pdftops/Array.h
new file mode 100644
index 000000000..1616fc33f
--- /dev/null
+++ b/pdftops/Array.h
@@ -0,0 +1,56 @@
+//========================================================================
+//
+// Array.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef ARRAY_H
+#define ARRAY_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "Object.h"
+
+class XRef;
+
+//------------------------------------------------------------------------
+// Array
+//------------------------------------------------------------------------
+
+class Array {
+public:
+
+  // Constructor.
+  Array(XRef *xrefA);
+
+  // Destructor.
+  ~Array();
+
+  // Reference counting.
+  int incRef() { return ++ref; }
+  int decRef() { return --ref; }
+
+  // Get number of elements.
+  int getLength() { return length; }
+
+  // Add an element.
+  void add(Object *elem);
+
+  // Accessors.
+  Object *get(int i, Object *obj);
+  Object *getNF(int i, Object *obj);
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  Object *elems;		// array of elements
+  int size;			// size of <elems> array
+  int length;			// number of elements in array
+  int ref;			// reference count
+};
+
+#endif
diff --git a/pdftops/CNS13CMapInfo.h b/pdftops/CNS13CMapInfo.h
new file mode 100644
index 000000000..284e6036d
--- /dev/null
+++ b/pdftops/CNS13CMapInfo.h
@@ -0,0 +1,47771 @@
+//========================================================================
+//
+// CNS13CMapInfo.h
+//
+// This file was automatically generated by makeCMapInfo.
+//
+// Copyright 1998 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef CNS13CMAPINFO_H
+#define CNS13CMAPINFO_H
+
+static Gushort cns13AdobeCNS10Map2[116] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13AdobeCNS10Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13AdobeCNS10Map2, 58
+};
+
+static Gushort cns13AdobeCNS11Map2[140] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0x3800, 0x3800,
+  0x3900, 0x3900,
+  0x3a00, 0x3a00,
+  0x3b00, 0x3b00,
+  0x3c00, 0x3c00,
+  0x3d00, 0x3d00,
+  0x3e00, 0x3e00,
+  0x3f00, 0x3f00,
+  0x4000, 0x4000,
+  0x4100, 0x4100,
+  0x4200, 0x4200,
+  0x4300, 0x4300,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13AdobeCNS11Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13AdobeCNS11Map2, 70
+};
+
+static Gushort cns13AdobeCNS12Map2[142] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0x3800, 0x3800,
+  0x3900, 0x3900,
+  0x3a00, 0x3a00,
+  0x3b00, 0x3b00,
+  0x3c00, 0x3c00,
+  0x3d00, 0x3d00,
+  0x3e00, 0x3e00,
+  0x3f00, 0x3f00,
+  0x4000, 0x4000,
+  0x4100, 0x4100,
+  0x4200, 0x4200,
+  0x4300, 0x4300,
+  0x4400, 0x4400,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13AdobeCNS12Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13AdobeCNS12Map2, 71
+};
+
+static Gushort cns13AdobeCNS13Map2[152] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0x3800, 0x3800,
+  0x3900, 0x3900,
+  0x3a00, 0x3a00,
+  0x3b00, 0x3b00,
+  0x3c00, 0x3c00,
+  0x3d00, 0x3d00,
+  0x3e00, 0x3e00,
+  0x3f00, 0x3f00,
+  0x4000, 0x4000,
+  0x4100, 0x4100,
+  0x4200, 0x4200,
+  0x4300, 0x4300,
+  0x4400, 0x4400,
+  0x4500, 0x4500,
+  0x4600, 0x4600,
+  0x4700, 0x4700,
+  0x4800, 0x4800,
+  0x4900, 0x4900,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13AdobeCNS13Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13AdobeCNS13Map2, 76
+};
+
+static Gushort cns13B5HMap2[490] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13B5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x3550, 0x3551, 0x3552, 0x3553, 0x3554, 0x3555, 0x3556, 0x3557,
+    0x3558, 0x3559, 0x355a, 0x355b, 0x355c, 0x355d, 0x355e, 0x355f,
+    0x3560, 0x3561, 0x3562, 0x3563, 0x3564, 0x3565, 0x3566, 0x3567,
+    0x3568, 0x3569, 0x356a, 0x356b, 0x356c, 0x356d, 0x356e, 0x356f,
+    0x3570, 0x3571, 0x3572, 0x3573, 0x3574, 0x3575, 0x3576, 0x3577,
+    0x3578, 0x3579, 0x357a, 0x357b, 0x357c, 0x357d, 0x357e, 0x357f,
+    0x3580, 0x3581, 0x3582, 0x3583, 0x3584, 0x3585, 0x3586, 0x3587,
+    0x3588, 0x3589, 0x358a, 0x358b, 0x358c, 0x358d, 0x358e, 0x358f,
+    0x3590, 0x3591, 0x3592, 0x3593, 0x3594, 0x3595, 0x3596, 0x3597,
+    0x3598, 0x3599, 0x359a, 0x359b, 0x359c, 0x359d, 0x359e, 0x359f,
+    0x35a0, 0x35a1, 0x35a2, 0x35a3, 0x35a4, 0x35a5, 0x35a6, 0x35a7,
+    0x35a8, 0x35a9, 0x35aa, 0x35ab, 0x35ac, 0x35ad, 0x35ae, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13B5HMap2, 245
+};
+
+static Gushort cns13B5VMap2[514] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13B5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x3550, 0x3551, 0x3552, 0x3553, 0x3554, 0x3555, 0x3556, 0x3557,
+    0x3558, 0x3559, 0x355a, 0x355b, 0x355c, 0x355d, 0x355e, 0x355f,
+    0x3560, 0x3561, 0x3562, 0x3563, 0x3564, 0x3565, 0x3566, 0x3567,
+    0x3568, 0x3569, 0x356a, 0x356b, 0x356c, 0x356d, 0x356e, 0x356f,
+    0x3570, 0x3571, 0x3572, 0x3573, 0x3574, 0x3575, 0x3576, 0x3577,
+    0x3578, 0x3579, 0x357a, 0x357b, 0x357c, 0x357d, 0x357e, 0x357f,
+    0x3580, 0x3581, 0x3582, 0x3583, 0x3584, 0x3585, 0x3586, 0x3587,
+    0x3588, 0x3589, 0x358a, 0x358b, 0x358c, 0x358d, 0x358e, 0x358f,
+    0x3590, 0x3591, 0x3592, 0x3593, 0x3594, 0x3595, 0x3596, 0x3597,
+    0x3598, 0x3599, 0x359a, 0x359b, 0x359c, 0x359d, 0x359e, 0x359f,
+    0x35a0, 0x35a1, 0x35a2, 0x35a3, 0x35a4, 0x35a5, 0x35a6, 0x35a7,
+    0x35a8, 0x35a9, 0x35aa, 0x35ab, 0x35ac, 0x35ad, 0x35ae, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13B5VMap2, 257
+};
+
+static Gushort cns13B5pcHMap2[492] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa3c0, 0x0232,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13B5pcHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x003d, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0060, 0x0061, 0x0062 },
+  cns13B5pcHMap2, 246
+};
+
+static Gushort cns13B5pcVMap2[516] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa3c0, 0x0232,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13B5pcVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x003d, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0060, 0x0061, 0x0062 },
+  cns13B5pcVMap2, 258
+};
+
+static Gushort cns13CNS1HMap2[316] = {
+  0x0000, 0x0000,
+  0x2121, 0x0063,
+  0x2221, 0x00c1,
+  0x2321, 0x011f,
+  0x2421, 0x014d,
+  0x2521, 0x01ab,
+  0x256e, 0x01f7,
+  0x2621, 0x01fa,
+  0x2721, 0x0253,
+  0x2722, 0x0218,
+  0x2725, 0x0254,
+  0x2726, 0x021b,
+  0x2727, 0x025a,
+  0x2728, 0x021c,
+  0x2729, 0x025b,
+  0x272d, 0x021d,
+  0x2730, 0x025f,
+  0x2731, 0x176e,
+  0x2732, 0x0260,
+  0x2733, 0x0262,
+  0x2734, 0x0220,
+  0x2735, 0x0263,
+  0x2736, 0x176f,
+  0x2737, 0x0221,
+  0x2738, 0x0264,
+  0x273a, 0x0222,
+  0x273b, 0x1770,
+  0x273c, 0x0223,
+  0x273d, 0x0266,
+  0x273e, 0x0279,
+  0x273f, 0x1775,
+  0x2740, 0x027a,
+  0x2742, 0x0224,
+  0x2743, 0x027c,
+  0x2747, 0x0225,
+  0x2748, 0x0282,
+  0x274c, 0x1776,
+  0x274d, 0x0286,
+  0x274e, 0x0226,
+  0x274f, 0x0288,
+  0x2751, 0x028c,
+  0x2753, 0x0227,
+  0x2756, 0x028e,
+  0x2759, 0x022a,
+  0x275b, 0x1777,
+  0x275c, 0x02d0,
+  0x2760, 0x02d5,
+  0x2761, 0x022c,
+  0x2762, 0x02d6,
+  0x2766, 0x022d,
+  0x2767, 0x02da,
+  0x276e, 0x178a,
+  0x276f, 0x02e1,
+  0x2773, 0x178c,
+  0x2774, 0x02e5,
+  0x2779, 0x178d,
+  0x277a, 0x02ea,
+  0x277e, 0x0356,
+  0x2821, 0x0357,
+  0x2827, 0x035e,
+  0x2828, 0x0362,
+  0x2829, 0x022e,
+  0x282b, 0x0363,
+  0x2833, 0x17b2,
+  0x2834, 0x036b,
+  0x2837, 0x03f6,
+  0x283b, 0x1812,
+  0x283c, 0x03fa,
+  0x283f, 0x03fe,
+  0x2844, 0x0405,
+  0x284d, 0x1813,
+  0x284e, 0x1818,
+  0x284f, 0x040f,
+  0x2853, 0x1819,
+  0x2854, 0x0508,
+  0x285a, 0x18e7,
+  0x285b, 0x050e,
+  0x2863, 0x0230,
+  0x2864, 0x051b,
+  0x2865, 0x0520,
+  0x2868, 0x0696,
+  0x286c, 0x0231,
+  0x286d, 0x069f,
+  0x2871, 0x0826,
+  0x287c, 0x09f5,
+  0x2921, 0x1e33,
+  0x2922, 0x09f8,
+  0x2923, 0x1e34,
+  0x2924, 0x09f9,
+  0x2926, 0x0be1,
+  0x292c, 0x0dbb,
+  0x292f, 0x2360,
+  0x2930, 0x2612,
+  0x2931, 0x0f7b,
+  0x2934, 0x1100,
+  0x2936, 0x1289,
+  0x2937, 0x13b2,
+  0x2939, 0x2f0d,
+  0x4221, 0x0232,
+  0x4421, 0x0253,
+  0x4521, 0x02b1,
+  0x4621, 0x030f,
+  0x4721, 0x036d,
+  0x4821, 0x03cb,
+  0x4921, 0x0429,
+  0x4a21, 0x0487,
+  0x4b21, 0x04e5,
+  0x4c21, 0x0543,
+  0x4d21, 0x05a1,
+  0x4e21, 0x05ff,
+  0x4f21, 0x065d,
+  0x5021, 0x06bb,
+  0x5121, 0x0719,
+  0x5221, 0x0777,
+  0x5321, 0x07d5,
+  0x5421, 0x0833,
+  0x5521, 0x0891,
+  0x5621, 0x08ef,
+  0x5721, 0x094d,
+  0x5821, 0x09ab,
+  0x5921, 0x0a09,
+  0x5a21, 0x0a67,
+  0x5b21, 0x0ac5,
+  0x5c21, 0x0b23,
+  0x5d21, 0x0b81,
+  0x5e21, 0x0bdf,
+  0x5f21, 0x0c3d,
+  0x6021, 0x0c9b,
+  0x6121, 0x0cf9,
+  0x6221, 0x0d57,
+  0x6321, 0x0db5,
+  0x6421, 0x0e13,
+  0x6521, 0x0e71,
+  0x6621, 0x0ecf,
+  0x6721, 0x0f2d,
+  0x6821, 0x0f8b,
+  0x6921, 0x0fe9,
+  0x6a21, 0x1047,
+  0x6b21, 0x10a5,
+  0x6c21, 0x1103,
+  0x6d21, 0x1161,
+  0x6e21, 0x11bf,
+  0x6f21, 0x121d,
+  0x7021, 0x127b,
+  0x7121, 0x12d9,
+  0x7221, 0x1337,
+  0x7321, 0x1395,
+  0x7421, 0x13f3,
+  0x7521, 0x1451,
+  0x7621, 0x14af,
+  0x7721, 0x150d,
+  0x7821, 0x156b,
+  0x7921, 0x15c9,
+  0x7a21, 0x1627,
+  0x7b21, 0x1685,
+  0x7c21, 0x16e3,
+  0x7d21, 0x1741,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13CNS1HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13CNS1HMap2, 158
+};
+
+static Gushort cns13CNS1VMap2[340] = {
+  0x0000, 0x0000,
+  0x2121, 0x0063,
+  0x2221, 0x00c1,
+  0x2321, 0x011f,
+  0x2421, 0x014d,
+  0x2521, 0x01ab,
+  0x256e, 0x01f7,
+  0x2621, 0x01fa,
+  0x2721, 0x0253,
+  0x2722, 0x0218,
+  0x2725, 0x0254,
+  0x2726, 0x021b,
+  0x2727, 0x025a,
+  0x2728, 0x021c,
+  0x2729, 0x025b,
+  0x272d, 0x021d,
+  0x2730, 0x025f,
+  0x2731, 0x176e,
+  0x2732, 0x0260,
+  0x2733, 0x0262,
+  0x2734, 0x0220,
+  0x2735, 0x0263,
+  0x2736, 0x176f,
+  0x2737, 0x0221,
+  0x2738, 0x0264,
+  0x273a, 0x0222,
+  0x273b, 0x1770,
+  0x273c, 0x0223,
+  0x273d, 0x0266,
+  0x273e, 0x0279,
+  0x273f, 0x1775,
+  0x2740, 0x027a,
+  0x2742, 0x0224,
+  0x2743, 0x027c,
+  0x2747, 0x0225,
+  0x2748, 0x0282,
+  0x274c, 0x1776,
+  0x274d, 0x0286,
+  0x274e, 0x0226,
+  0x274f, 0x0288,
+  0x2751, 0x028c,
+  0x2753, 0x0227,
+  0x2756, 0x028e,
+  0x2759, 0x022a,
+  0x275b, 0x1777,
+  0x275c, 0x02d0,
+  0x2760, 0x02d5,
+  0x2761, 0x022c,
+  0x2762, 0x02d6,
+  0x2766, 0x022d,
+  0x2767, 0x02da,
+  0x276e, 0x178a,
+  0x276f, 0x02e1,
+  0x2773, 0x178c,
+  0x2774, 0x02e5,
+  0x2779, 0x178d,
+  0x277a, 0x02ea,
+  0x277e, 0x0356,
+  0x2821, 0x0357,
+  0x2827, 0x035e,
+  0x2828, 0x0362,
+  0x2829, 0x022e,
+  0x282b, 0x0363,
+  0x2833, 0x17b2,
+  0x2834, 0x036b,
+  0x2837, 0x03f6,
+  0x283b, 0x1812,
+  0x283c, 0x03fa,
+  0x283f, 0x03fe,
+  0x2844, 0x0405,
+  0x284d, 0x1813,
+  0x284e, 0x1818,
+  0x284f, 0x040f,
+  0x2853, 0x1819,
+  0x2854, 0x0508,
+  0x285a, 0x18e7,
+  0x285b, 0x050e,
+  0x2863, 0x0230,
+  0x2864, 0x051b,
+  0x2865, 0x0520,
+  0x2868, 0x0696,
+  0x286c, 0x0231,
+  0x286d, 0x069f,
+  0x2871, 0x0826,
+  0x287c, 0x09f5,
+  0x2921, 0x1e33,
+  0x2922, 0x09f8,
+  0x2923, 0x1e34,
+  0x2924, 0x09f9,
+  0x2926, 0x0be1,
+  0x292c, 0x0dbb,
+  0x292f, 0x2360,
+  0x2930, 0x2612,
+  0x2931, 0x0f7b,
+  0x2934, 0x1100,
+  0x2936, 0x1289,
+  0x2937, 0x13b2,
+  0x2939, 0x2f0d,
+  0x4221, 0x0232,
+  0x4421, 0x0253,
+  0x4521, 0x02b1,
+  0x4621, 0x030f,
+  0x4721, 0x036d,
+  0x4821, 0x03cb,
+  0x4921, 0x0429,
+  0x4a21, 0x0487,
+  0x4b21, 0x04e5,
+  0x4c21, 0x0543,
+  0x4d21, 0x05a1,
+  0x4e21, 0x05ff,
+  0x4f21, 0x065d,
+  0x5021, 0x06bb,
+  0x5121, 0x0719,
+  0x5221, 0x0777,
+  0x5321, 0x07d5,
+  0x5421, 0x0833,
+  0x5521, 0x0891,
+  0x5621, 0x08ef,
+  0x5721, 0x094d,
+  0x5821, 0x09ab,
+  0x5921, 0x0a09,
+  0x5a21, 0x0a67,
+  0x5b21, 0x0ac5,
+  0x5c21, 0x0b23,
+  0x5d21, 0x0b81,
+  0x5e21, 0x0bdf,
+  0x5f21, 0x0c3d,
+  0x6021, 0x0c9b,
+  0x6121, 0x0cf9,
+  0x6221, 0x0d57,
+  0x6321, 0x0db5,
+  0x6421, 0x0e13,
+  0x6521, 0x0e71,
+  0x6621, 0x0ecf,
+  0x6721, 0x0f2d,
+  0x6821, 0x0f8b,
+  0x6921, 0x0fe9,
+  0x6a21, 0x1047,
+  0x6b21, 0x10a5,
+  0x6c21, 0x1103,
+  0x6d21, 0x1161,
+  0x6e21, 0x11bf,
+  0x6f21, 0x121d,
+  0x7021, 0x127b,
+  0x7121, 0x12d9,
+  0x7221, 0x1337,
+  0x7321, 0x1395,
+  0x7421, 0x13f3,
+  0x7521, 0x1451,
+  0x7621, 0x14af,
+  0x7721, 0x150d,
+  0x7821, 0x156b,
+  0x7921, 0x15c9,
+  0x7a21, 0x1627,
+  0x7b21, 0x1685,
+  0x7c21, 0x16e3,
+  0x7d21, 0x1741,
+  0x212c, 0x354e,
+  0x213b, 0x007c,
+  0x213d, 0x007e,
+  0x213e, 0x0082,
+  0x2142, 0x0086,
+  0x2146, 0x008a,
+  0x214a, 0x008e,
+  0x214e, 0x0092,
+  0x2152, 0x0096,
+  0x2156, 0x009a,
+  0x215a, 0x009e,
+  0x2244, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13CNS1VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13CNS1VMap2, 170
+};
+
+static Gushort cns13CNS2HMap2[168] = {
+  0x0000, 0x0000,
+  0x2121, 0x176c,
+  0x2221, 0x17ca,
+  0x2321, 0x1828,
+  0x2421, 0x1886,
+  0x2521, 0x18e4,
+  0x2621, 0x1942,
+  0x2721, 0x19a0,
+  0x2821, 0x19fe,
+  0x2921, 0x1a5c,
+  0x2a21, 0x1aba,
+  0x2b21, 0x1b18,
+  0x2c21, 0x1b76,
+  0x2d21, 0x1bd4,
+  0x2e21, 0x1c32,
+  0x2f21, 0x1c90,
+  0x3021, 0x1cee,
+  0x3121, 0x1d4c,
+  0x3221, 0x1daa,
+  0x3321, 0x1e08,
+  0x3421, 0x1e66,
+  0x3521, 0x1ec4,
+  0x3621, 0x1f22,
+  0x3721, 0x1f80,
+  0x3821, 0x1fde,
+  0x3921, 0x203c,
+  0x3a21, 0x209a,
+  0x3b21, 0x20f8,
+  0x3c21, 0x2156,
+  0x3d21, 0x21b4,
+  0x3e21, 0x2212,
+  0x3f21, 0x2270,
+  0x4021, 0x22ce,
+  0x4121, 0x232c,
+  0x4221, 0x238a,
+  0x4321, 0x23e8,
+  0x4421, 0x2446,
+  0x4521, 0x24a4,
+  0x4621, 0x2502,
+  0x4721, 0x2560,
+  0x4821, 0x25be,
+  0x4921, 0x261c,
+  0x4a21, 0x267a,
+  0x4b21, 0x26d8,
+  0x4c21, 0x2736,
+  0x4d21, 0x2794,
+  0x4e21, 0x27f2,
+  0x4f21, 0x2850,
+  0x5021, 0x28ae,
+  0x5121, 0x290c,
+  0x5221, 0x296a,
+  0x5321, 0x29c8,
+  0x5421, 0x2a26,
+  0x5521, 0x2a84,
+  0x5621, 0x2ae2,
+  0x5721, 0x2b40,
+  0x5821, 0x2b9e,
+  0x5921, 0x2bfc,
+  0x5a21, 0x2c5a,
+  0x5b21, 0x2cb8,
+  0x5c21, 0x2d16,
+  0x5d21, 0x2d74,
+  0x5e21, 0x2dd2,
+  0x5f21, 0x2e30,
+  0x6021, 0x2e8e,
+  0x6121, 0x2eec,
+  0x6221, 0x2f4a,
+  0x6321, 0x2fa8,
+  0x6421, 0x3006,
+  0x6521, 0x3064,
+  0x6621, 0x30c2,
+  0x6721, 0x3120,
+  0x6821, 0x317e,
+  0x6921, 0x31dc,
+  0x6a21, 0x323a,
+  0x6b21, 0x3298,
+  0x6c21, 0x32f6,
+  0x6d21, 0x3354,
+  0x6e21, 0x33b2,
+  0x6f21, 0x3410,
+  0x7021, 0x346e,
+  0x7121, 0x34cc,
+  0x7221, 0x352a,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13CNS2HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13CNS2HMap2, 84
+};
+
+static Gushort cns13CNS2VMap2[168] = {
+  0x0000, 0x0000,
+  0x2121, 0x176c,
+  0x2221, 0x17ca,
+  0x2321, 0x1828,
+  0x2421, 0x1886,
+  0x2521, 0x18e4,
+  0x2621, 0x1942,
+  0x2721, 0x19a0,
+  0x2821, 0x19fe,
+  0x2921, 0x1a5c,
+  0x2a21, 0x1aba,
+  0x2b21, 0x1b18,
+  0x2c21, 0x1b76,
+  0x2d21, 0x1bd4,
+  0x2e21, 0x1c32,
+  0x2f21, 0x1c90,
+  0x3021, 0x1cee,
+  0x3121, 0x1d4c,
+  0x3221, 0x1daa,
+  0x3321, 0x1e08,
+  0x3421, 0x1e66,
+  0x3521, 0x1ec4,
+  0x3621, 0x1f22,
+  0x3721, 0x1f80,
+  0x3821, 0x1fde,
+  0x3921, 0x203c,
+  0x3a21, 0x209a,
+  0x3b21, 0x20f8,
+  0x3c21, 0x2156,
+  0x3d21, 0x21b4,
+  0x3e21, 0x2212,
+  0x3f21, 0x2270,
+  0x4021, 0x22ce,
+  0x4121, 0x232c,
+  0x4221, 0x238a,
+  0x4321, 0x23e8,
+  0x4421, 0x2446,
+  0x4521, 0x24a4,
+  0x4621, 0x2502,
+  0x4721, 0x2560,
+  0x4821, 0x25be,
+  0x4921, 0x261c,
+  0x4a21, 0x267a,
+  0x4b21, 0x26d8,
+  0x4c21, 0x2736,
+  0x4d21, 0x2794,
+  0x4e21, 0x27f2,
+  0x4f21, 0x2850,
+  0x5021, 0x28ae,
+  0x5121, 0x290c,
+  0x5221, 0x296a,
+  0x5321, 0x29c8,
+  0x5421, 0x2a26,
+  0x5521, 0x2a84,
+  0x5621, 0x2ae2,
+  0x5721, 0x2b40,
+  0x5821, 0x2b9e,
+  0x5921, 0x2bfc,
+  0x5a21, 0x2c5a,
+  0x5b21, 0x2cb8,
+  0x5c21, 0x2d16,
+  0x5d21, 0x2d74,
+  0x5e21, 0x2dd2,
+  0x5f21, 0x2e30,
+  0x6021, 0x2e8e,
+  0x6121, 0x2eec,
+  0x6221, 0x2f4a,
+  0x6321, 0x2fa8,
+  0x6421, 0x3006,
+  0x6521, 0x3064,
+  0x6621, 0x30c2,
+  0x6721, 0x3120,
+  0x6821, 0x317e,
+  0x6921, 0x31dc,
+  0x6a21, 0x323a,
+  0x6b21, 0x3298,
+  0x6c21, 0x32f6,
+  0x6d21, 0x3354,
+  0x6e21, 0x33b2,
+  0x6f21, 0x3410,
+  0x7021, 0x346e,
+  0x7121, 0x34cc,
+  0x7221, 0x352a,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13CNS2VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13CNS2VMap2, 84
+};
+
+static Gushort cns13ETHKB5HMap2[2252] = {
+  0x0000, 0x0000,
+  0x8840, 0x44c9,
+  0x8856, 0x4961,
+  0x88a1, 0x498a,
+  0x88a9, 0x499c,
+  0x8940, 0x4534,
+  0x8943, 0x4536,
+  0x8946, 0x4537,
+  0x894c, 0x453b,
+  0x894d, 0x43c3,
+  0x894e, 0x453c,
+  0x8951, 0x439a,
+  0x8952, 0x453f,
+  0x89a1, 0x456c,
+  0x89a6, 0x43a2,
+  0x89ab, 0x43ec,
+  0x89ac, 0x4571,
+  0x89ad, 0x43eb,
+  0x89ae, 0x4572,
+  0x89b0, 0x4573,
+  0x89b5, 0x4576,
+  0x89c1, 0x4581,
+  0x89c5, 0x4584,
+  0x89cf, 0x43bc,
+  0x89d0, 0x458e,
+  0x89d9, 0x439c,
+  0x89da, 0x4597,
+  0x89db, 0x439e,
+  0x89dc, 0x4598,
+  0x89dd, 0x439f,
+  0x89de, 0x4599,
+  0x89e1, 0x43a1,
+  0x89e2, 0x459c,
+  0x89e3, 0x43a3,
+  0x89e4, 0x459d,
+  0x89ea, 0x43a5,
+  0x89ec, 0x45a3,
+  0x89fa, 0x43a9,
+  0x89fb, 0x45b1,
+  0x8a40, 0x45b5,
+  0x8a41, 0x4309,
+  0x8a43, 0x430b,
+  0x8a4d, 0x45b6,
+  0x8a4e, 0x4316,
+  0x8a5a, 0x45b7,
+  0x8a5b, 0x4323,
+  0x8a5e, 0x45b8,
+  0x8a5f, 0x4327,
+  0x8a64, 0x432c,
+  0x8a71, 0x45b9,
+  0x8a72, 0x433a,
+  0x8a76, 0x433e,
+  0x8a77, 0x45ba,
+  0x8a78, 0x4340,
+  0x8a7a, 0x45bb,
+  0x8a7b, 0x4343,
+  0x8a7c, 0x45bc,
+  0x8a7d, 0x4345,
+  0x8a7e, 0x45bd,
+  0x8aa1, 0x4347,
+  0x8aa8, 0x45be,
+  0x8aa9, 0x434f,
+  0x8aac, 0x4352,
+  0x8ab2, 0x4358,
+  0x8ab6, 0x45bf,
+  0x8ab7, 0x435d,
+  0x8ab8, 0x45c0,
+  0x8ab9, 0x435f,
+  0x8abb, 0x4361,
+  0x8ac9, 0x436f,
+  0x8acc, 0x45c1,
+  0x8ace, 0x4374,
+  0x8ad6, 0x45c2,
+  0x8ad8, 0x437e,
+  0x8adf, 0x4385,
+  0x8ae6, 0x45c4,
+  0x8ae7, 0x43db,
+  0x8ae8, 0x45c5,
+  0x8af6, 0x45d2,
+  0x8b40, 0x45db,
+  0x8b41, 0x438c,
+  0x8b43, 0x45dc,
+  0x8b45, 0x438e,
+  0x8b46, 0x45de,
+  0x8b47, 0x438f,
+  0x8b48, 0x45df,
+  0x8b49, 0x4390,
+  0x8b4a, 0x45e0,
+  0x8b4b, 0x4391,
+  0x8b4c, 0x45e1,
+  0x8b4d, 0x4392,
+  0x8b51, 0x45e2,
+  0x8b55, 0x45e5,
+  0x8b58, 0x4397,
+  0x8b59, 0x45e8,
+  0x8b5a, 0x4398,
+  0x8b5b, 0x43c4,
+  0x8b5c, 0x45e9,
+  0x8b61, 0x43a7,
+  0x8b62, 0x45ee,
+  0x8b68, 0x43ac,
+  0x8b69, 0x45f4,
+  0x8ba1, 0x460a,
+  0x8bc0, 0x44df,
+  0x8bde, 0x44fc,
+  0x8d60, 0x4629,
+  0x8d62, 0x43ba,
+  0x8d63, 0x462b,
+  0x8d68, 0x43bb,
+  0x8d69, 0x43a0,
+  0x8d6a, 0x43bd,
+  0x8d6b, 0x4630,
+  0x8d6e, 0x43be,
+  0x8d6f, 0x4633,
+  0x8d76, 0x43bf,
+  0x8d77, 0x463a,
+  0x8d7a, 0x43c0,
+  0x8d7b, 0x463d,
+  0x8d7c, 0x43c1,
+  0x8d7d, 0x463e,
+  0x8da1, 0x4640,
+  0x8da5, 0x43c2,
+  0x8da6, 0x4644,
+  0x8da8, 0x43b9,
+  0x8da9, 0x43ad,
+  0x8daa, 0x4646,
+  0x8db6, 0x43c7,
+  0x8db7, 0x4652,
+  0x8dc3, 0x43c8,
+  0x8dc4, 0x465e,
+  0x8dfa, 0x43f9,
+  0x8dfb, 0x4694,
+  0x8e40, 0x372b,
+  0x8e45, 0x4698,
+  0x8e46, 0x3730,
+  0x8e6a, 0x3754,
+  0x8e6b, 0x4699,
+  0x8e6d, 0x3756,
+  0x8e70, 0x3759,
+  0x8e76, 0x469b,
+  0x8e77, 0x375f,
+  0x8e7b, 0x469c,
+  0x8e7c, 0x3764,
+  0x8ea1, 0x3766,
+  0x8ea6, 0x469d,
+  0x8ea7, 0x376b,
+  0x8eac, 0x3770,
+  0x8eb5, 0x3779,
+  0x8eb8, 0x469e,
+  0x8eb9, 0x377d,
+  0x8ec9, 0x469f,
+  0x8eca, 0x378d,
+  0x8ece, 0x3791,
+  0x8ed1, 0x3794,
+  0x8ee5, 0x46a0,
+  0x8ee6, 0x37a8,
+  0x8eef, 0x46a1,
+  0x8ef0, 0x37b1,
+  0x8ef6, 0x46a2,
+  0x8ef7, 0x37b8,
+  0x8f40, 0x37c0,
+  0x8f58, 0x37d8,
+  0x8f59, 0x46a3,
+  0x8f5a, 0x37d9,
+  0x8f5f, 0x46a4,
+  0x8f60, 0x37de,
+  0x8f67, 0x46a5,
+  0x8f68, 0x37e5,
+  0x8f6a, 0x37e7,
+  0x8f6f, 0x37ec,
+  0x8f79, 0x46a6,
+  0x8f7a, 0x37f7,
+  0x8fa1, 0x37fc,
+  0x8fb0, 0x46a7,
+  0x8fb1, 0x380c,
+  0x8fc5, 0x46a8,
+  0x8fc6, 0x3820,
+  0x8fc7, 0x46a9,
+  0x8fc8, 0x3821,
+  0x8fca, 0x46aa,
+  0x8fcd, 0x3826,
+  0x8fda, 0x46ab,
+  0x8fdb, 0x3833,
+  0x8fe3, 0x46ac,
+  0x8fe4, 0x383c,
+  0x8ffc, 0x46ad,
+  0x8ffd, 0x3854,
+  0x9040, 0x3856,
+  0x9055, 0x46ae,
+  0x9056, 0x386c,
+  0x905c, 0x46af,
+  0x905f, 0x3873,
+  0x906e, 0x3882,
+  0x906f, 0x46b2,
+  0x9070, 0x3883,
+  0x907b, 0x388d,
+  0x90a1, 0x3891,
+  0x90a6, 0x46b3,
+  0x90a7, 0x3896,
+  0x90b8, 0x46b4,
+  0x90b9, 0x38a7,
+  0x90dd, 0x38cb,
+  0x90f2, 0x38e0,
+  0x9140, 0x38ed,
+  0x9165, 0x46b5,
+  0x9166, 0x3912,
+  0x916e, 0x46b6,
+  0x916f, 0x391a,
+  0x917e, 0x46b7,
+  0x91a1, 0x3929,
+  0x91a2, 0x46b8,
+  0x91a3, 0x392a,
+  0x91c0, 0x3947,
+  0x91c8, 0x46b9,
+  0x91c9, 0x3950,
+  0x9240, 0x3986,
+  0x9245, 0x398b,
+  0x9264, 0x46ba,
+  0x9265, 0x39ab,
+  0x926d, 0x46bb,
+  0x926e, 0x39b4,
+  0x92a1, 0x39c5,
+  0x92b3, 0x39d3,
+  0x92c9, 0x39e9,
+  0x92d2, 0x39f2,
+  0x92e5, 0x46bc,
+  0x92e6, 0x3a05,
+  0x92f2, 0x46bd,
+  0x92f3, 0x3a11,
+  0x9340, 0x3a1d,
+  0x9368, 0x46be,
+  0x9369, 0x3a45,
+  0x93a1, 0x3a5b,
+  0x93aa, 0x46bf,
+  0x93ab, 0x3a64,
+  0x93c2, 0x46c0,
+  0x93c3, 0x3a7b,
+  0x93e5, 0x46c1,
+  0x93e6, 0x3a9d,
+  0x93e8, 0x46c2,
+  0x93e9, 0x3aa0,
+  0x93eb, 0x46c3,
+  0x93ec, 0x3aa2,
+  0x9440, 0x3ab5,
+  0x9446, 0x46c4,
+  0x9448, 0x3abc,
+  0x9479, 0x46c5,
+  0x947a, 0x3aee,
+  0x94a1, 0x3af3,
+  0x94cb, 0x46c6,
+  0x94cc, 0x3b1e,
+  0x9540, 0x3b51,
+  0x954d, 0x46c7,
+  0x954e, 0x3b5e,
+  0x955a, 0x46c8,
+  0x955b, 0x3b6a,
+  0x955f, 0x46c9,
+  0x9560, 0x3b6f,
+  0x95a1, 0x3b8e,
+  0x95c6, 0x46ca,
+  0x95c7, 0x3bb3,
+  0x95da, 0x3bc6,
+  0x9640, 0x3beb,
+  0x9645, 0x3bf0,
+  0x9651, 0x46cb,
+  0x9652, 0x3bfd,
+  0x966a, 0x46cc,
+  0x966b, 0x3c16,
+  0x96a1, 0x3c2a,
+  0x96d4, 0x46cd,
+  0x96d5, 0x3c5d,
+  0x96ee, 0x3c76,
+  0x96fd, 0x3c85,
+  0x9740, 0x3c87,
+  0x97a1, 0x3cc6,
+  0x9840, 0x3d24,
+  0x9844, 0x46ce,
+  0x9846, 0x3d2a,
+  0x986f, 0x46d0,
+  0x9870, 0x3d54,
+  0x9875, 0x46d1,
+  0x9877, 0x3d59,
+  0x9878, 0x46d3,
+  0x987a, 0x3d5a,
+  0x987b, 0x46d5,
+  0x98a1, 0x46d9,
+  0x98a3, 0x3d5b,
+  0x98a4, 0x46db,
+  0x98af, 0x3d5c,
+  0x98b0, 0x46e6,
+  0x98b4, 0x43ca,
+  0x98b5, 0x46ea,
+  0x98b6, 0x3d5d,
+  0x98b7, 0x46eb,
+  0x98b8, 0x43cc,
+  0x98b9, 0x3d5e,
+  0x98ba, 0x46ec,
+  0x98bb, 0x43fa,
+  0x98bc, 0x46ed,
+  0x98bd, 0x3d5f,
+  0x98bf, 0x46ee,
+  0x98c2, 0x3d61,
+  0x98c3, 0x46f1,
+  0x98c4, 0x3d62,
+  0x98c5, 0x46f2,
+  0x98c6, 0x3d63,
+  0x98c8, 0x46f3,
+  0x98d2, 0x43cd,
+  0x98d3, 0x46fd,
+  0x98d8, 0x43ce,
+  0x98da, 0x4702,
+  0x98db, 0x43d1,
+  0x98dc, 0x4703,
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+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc6a1, 0x01fa,
+  0xc6bf, 0x0219,
+  0xc6d8, 0x35b3,
+  0xc6df, 0x1794,
+  0xc6e0, 0x35ba,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc8d4, 0x44c6,
+  0xc8d7, 0x451c,
+  0xc8e0, 0x02dc,
+  0xc8e1, 0x4525,
+  0xc8e9, 0x0509,
+  0xc8ea, 0x452d,
+  0xc8f1, 0x09f6,
+  0xc8f5, 0x4992,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xfa40, 0x400b,
+  0xfa60, 0x402b,
+  0xfa67, 0x4032,
+  0xfaa1, 0x404a,
+  0xfaa9, 0x4946,
+  0xfaab, 0x4054,
+  0xfabe, 0x4067,
+  0xfac6, 0x406f,
+  0xfad6, 0x407f,
+  0xfb40, 0x40a8,
+  0xfb49, 0x40b1,
+  0xfb53, 0x4948,
+  0xfb54, 0x40bc,
+  0xfb6e, 0x4949,
+  0xfb6f, 0x40d7,
+  0xfba1, 0x40e7,
+  0xfba3, 0x494a,
+  0xfba4, 0x40ea,
+  0xfbb9, 0x40ff,
+  0xfbbf, 0x494b,
+  0xfbc0, 0x4105,
+  0xfbcd, 0x494c,
+  0xfbce, 0x4112,
+  0xfbf4, 0x4138,
+  0xfbfa, 0x413e,
+  0xfc40, 0x4143,
+  0xfc4a, 0x494d,
+  0xfc4b, 0x414d,
+  0xfc50, 0x4151,
+  0xfc52, 0x494e,
+  0xfc53, 0x4153,
+  0xfc63, 0x494f,
+  0xfc64, 0x4163,
+  0xfc6d, 0x4950,
+  0xfc6e, 0x416d,
+  0xfc75, 0x4951,
+  0xfc76, 0x4174,
+  0xfca1, 0x417d,
+  0xfcba, 0x4195,
+  0xfcbc, 0x4952,
+  0xfcbe, 0x4198,
+  0xfccc, 0x4954,
+  0xfccd, 0x41a7,
+  0xfce3, 0x4955,
+  0xfce4, 0x41bd,
+  0xfcee, 0x4956,
+  0xfcef, 0x41c7,
+  0xfcf2, 0x41ca,
+  0xfd40, 0x41d7,
+  0xfd49, 0x4957,
+  0xfd4a, 0x41e0,
+  0xfd6a, 0x4958,
+  0xfd6b, 0x4201,
+  0xfda1, 0x4215,
+  0xfdb9, 0x422d,
+  0xfdbc, 0x4230,
+  0xfde3, 0x4959,
+  0xfde4, 0x4258,
+  0xfdf2, 0x495a,
+  0xfdf3, 0x4266,
+  0xfe40, 0x4272,
+  0xfe53, 0x4285,
+  0xfe6d, 0x495b,
+  0xfe6e, 0x429f,
+  0xfe70, 0x42a1,
+  0xfe78, 0x495c,
+  0xfe79, 0x42a9,
+  0xfea1, 0x42af,
+  0xfeab, 0x42b8,
+  0xfede, 0x495d,
+  0xfee0, 0x42eb,
+  0xfeed, 0x495f,
+  0xfeef, 0x42f8,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13ETHKB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13ETHKB5HMap2, 1126
+};
+
+static Gushort cns13ETHKB5VMap2[2278] = {
+  0x0000, 0x0000,
+  0x8840, 0x44c9,
+  0x8856, 0x4961,
+  0x88a1, 0x498a,
+  0x88a9, 0x499c,
+  0x8940, 0x4534,
+  0x8943, 0x4536,
+  0x8946, 0x4537,
+  0x894c, 0x453b,
+  0x894d, 0x43c3,
+  0x894e, 0x453c,
+  0x8951, 0x439a,
+  0x8952, 0x453f,
+  0x89a1, 0x456c,
+  0x89a6, 0x43a2,
+  0x89ab, 0x43ec,
+  0x89ac, 0x4571,
+  0x89ad, 0x43eb,
+  0x89ae, 0x4572,
+  0x89b0, 0x4573,
+  0x89b5, 0x4576,
+  0x89c1, 0x4581,
+  0x89c5, 0x4584,
+  0x89cf, 0x43bc,
+  0x89d0, 0x458e,
+  0x89d9, 0x439c,
+  0x89da, 0x4597,
+  0x89db, 0x439e,
+  0x89dc, 0x4598,
+  0x89dd, 0x439f,
+  0x89de, 0x4599,
+  0x89e1, 0x43a1,
+  0x89e2, 0x459c,
+  0x89e3, 0x43a3,
+  0x89e4, 0x459d,
+  0x89ea, 0x43a5,
+  0x89ec, 0x45a3,
+  0x89fa, 0x43a9,
+  0x89fb, 0x45b1,
+  0x8a40, 0x45b5,
+  0x8a41, 0x4309,
+  0x8a43, 0x430b,
+  0x8a4d, 0x45b6,
+  0x8a4e, 0x4316,
+  0x8a5a, 0x45b7,
+  0x8a5b, 0x4323,
+  0x8a5e, 0x45b8,
+  0x8a5f, 0x4327,
+  0x8a64, 0x432c,
+  0x8a71, 0x45b9,
+  0x8a72, 0x433a,
+  0x8a76, 0x433e,
+  0x8a77, 0x45ba,
+  0x8a78, 0x4340,
+  0x8a7a, 0x45bb,
+  0x8a7b, 0x4343,
+  0x8a7c, 0x45bc,
+  0x8a7d, 0x4345,
+  0x8a7e, 0x45bd,
+  0x8aa1, 0x4347,
+  0x8aa8, 0x45be,
+  0x8aa9, 0x434f,
+  0x8aac, 0x4352,
+  0x8ab2, 0x4358,
+  0x8ab6, 0x45bf,
+  0x8ab7, 0x435d,
+  0x8ab8, 0x45c0,
+  0x8ab9, 0x435f,
+  0x8abb, 0x4361,
+  0x8ac9, 0x436f,
+  0x8acc, 0x45c1,
+  0x8ace, 0x4374,
+  0x8ad6, 0x45c2,
+  0x8ad8, 0x437e,
+  0x8adf, 0x4385,
+  0x8ae6, 0x45c4,
+  0x8ae7, 0x43db,
+  0x8ae8, 0x45c5,
+  0x8af6, 0x45d2,
+  0x8b40, 0x45db,
+  0x8b41, 0x438c,
+  0x8b43, 0x45dc,
+  0x8b45, 0x438e,
+  0x8b46, 0x45de,
+  0x8b47, 0x438f,
+  0x8b48, 0x45df,
+  0x8b49, 0x4390,
+  0x8b4a, 0x45e0,
+  0x8b4b, 0x4391,
+  0x8b4c, 0x45e1,
+  0x8b4d, 0x4392,
+  0x8b51, 0x45e2,
+  0x8b55, 0x45e5,
+  0x8b58, 0x4397,
+  0x8b59, 0x45e8,
+  0x8b5a, 0x4398,
+  0x8b5b, 0x43c4,
+  0x8b5c, 0x45e9,
+  0x8b61, 0x43a7,
+  0x8b62, 0x45ee,
+  0x8b68, 0x43ac,
+  0x8b69, 0x45f4,
+  0x8ba1, 0x460a,
+  0x8bc0, 0x44df,
+  0x8bde, 0x44fc,
+  0x8d60, 0x4629,
+  0x8d62, 0x43ba,
+  0x8d63, 0x462b,
+  0x8d68, 0x43bb,
+  0x8d69, 0x43a0,
+  0x8d6a, 0x43bd,
+  0x8d6b, 0x4630,
+  0x8d6e, 0x43be,
+  0x8d6f, 0x4633,
+  0x8d76, 0x43bf,
+  0x8d77, 0x463a,
+  0x8d7a, 0x43c0,
+  0x8d7b, 0x463d,
+  0x8d7c, 0x43c1,
+  0x8d7d, 0x463e,
+  0x8da1, 0x4640,
+  0x8da5, 0x43c2,
+  0x8da6, 0x4644,
+  0x8da8, 0x43b9,
+  0x8da9, 0x43ad,
+  0x8daa, 0x4646,
+  0x8db6, 0x43c7,
+  0x8db7, 0x4652,
+  0x8dc3, 0x43c8,
+  0x8dc4, 0x465e,
+  0x8dfa, 0x43f9,
+  0x8dfb, 0x4694,
+  0x8e40, 0x372b,
+  0x8e45, 0x4698,
+  0x8e46, 0x3730,
+  0x8e6a, 0x3754,
+  0x8e6b, 0x4699,
+  0x8e6d, 0x3756,
+  0x8e70, 0x3759,
+  0x8e76, 0x469b,
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+  0x9e71, 0x3eb8,
+  0x9e72, 0x48f1,
+  0x9e73, 0x3eb9,
+  0x9e74, 0x48f2,
+  0x9e77, 0x3eba,
+  0x9e79, 0x48f5,
+  0x9e7a, 0x3ebc,
+  0x9e7b, 0x48f6,
+  0x9e7c, 0x3ebd,
+  0x9e7d, 0x48f7,
+  0x9e7e, 0x3ebe,
+  0x9ea1, 0x3ebf,
+  0x9ea3, 0x48f8,
+  0x9ea4, 0x3ec1,
+  0x9ea7, 0x48f9,
+  0x9eaa, 0x3ec5,
+  0x9eab, 0x48fb,
+  0x9ead, 0x3ec7,
+  0x9eae, 0x48fc,
+  0x9eaf, 0x3ec8,
+  0x9eb2, 0x48fd,
+  0x9eb4, 0x3ecb,
+  0x9eb5, 0x48ff,
+  0x9eb6, 0x3ecc,
+  0x9eb8, 0x4900,
+  0x9eb9, 0x3ece,
+  0x9eba, 0x4901,
+  0x9ebc, 0x3ecf,
+  0x9ebd, 0x4903,
+  0x9ebf, 0x3ed0,
+  0x9ec1, 0x4905,
+  0x9ec5, 0x3ed3,
+  0x9ec6, 0x4908,
+  0x9ec7, 0x3ed4,
+  0x9ecb, 0x4909,
+  0x9ecd, 0x3ed9,
+  0x9ece, 0x490b,
+  0x9ed0, 0x3eda,
+  0x9ed2, 0x490d,
+  0x9ed3, 0x3edc,
+  0x9ed4, 0x490e,
+  0x9ed6, 0x3edd,
+  0x9ed8, 0x4910,
+  0x9eda, 0x3edf,
+  0x9ef0, 0x3ef5,
+  0x9ef2, 0x4912,
+  0x9ef3, 0x3ef7,
+  0x9ef5, 0x3ef9,
+  0x9ef6, 0x4913,
+  0x9ef9, 0x3efa,
+  0x9efb, 0x4916,
+  0x9efc, 0x3efc,
+  0x9efe, 0x3efe,
+  0x9f40, 0x3eff,
+  0x9f43, 0x4917,
+  0x9f44, 0x3f02,
+  0x9f48, 0x4918,
+  0x9f49, 0x3f06,
+  0x9f4b, 0x4919,
+  0x9f4d, 0x3f08,
+  0x9f4f, 0x3f0a,
+  0x9f61, 0x3f1c,
+  0x9f67, 0x491b,
+  0x9f69, 0x3f23,
+  0x9f70, 0x491d,
+  0x9f71, 0x3f2a,
+  0x9fa1, 0x3f38,
+  0x9fae, 0x3f45,
+  0x9fb2, 0x3f49,
+  0x9fb5, 0x491e,
+  0x9fb6, 0x3f4c,
+  0x9fbb, 0x491f,
+  0x9fbc, 0x3f51,
+  0x9fbf, 0x4920,
+  0x9fc1, 0x4921,
+  0x9fc2, 0x3f55,
+  0x9fc9, 0x3f5c,
+  0x9fcc, 0x4922,
+  0x9fcd, 0x3f60,
+  0x9fd4, 0x4923,
+  0x9fd5, 0x3f68,
+  0x9fd9, 0x3f6c,
+  0x9fdb, 0x3f6e,
+  0x9fe4, 0x4924,
+  0x9fe5, 0x3f77,
+  0x9fe7, 0x3f79,
+  0x9feb, 0x3f7d,
+  0x9ff0, 0x3f82,
+  0x9ff9, 0x4925,
+  0x9ffa, 0x3f8b,
+  0xa040, 0x4926,
+  0xa041, 0x3f90,
+  0xa047, 0x4927,
+  0xa048, 0x3f96,
+  0xa055, 0x4928,
+  0xa056, 0x3fa3,
+  0xa058, 0x3fa5,
+  0xa05b, 0x3fa8,
+  0xa064, 0x3fb1,
+  0xa06d, 0x4929,
+  0xa06e, 0x3fba,
+  0xa073, 0x3fbf,
+  0xa078, 0x3fc4,
+  0xa07b, 0x492a,
+  0xa07c, 0x3fc7,
+  0xa0a1, 0x3fca,
+  0xa0a2, 0x492b,
+  0xa0a3, 0x3fcb,
+  0xa0a6, 0x3fce,
+  0xa0a7, 0x492c,
+  0xa0a8, 0x3fcf,
+  0xa0ae, 0x3fd5,
+  0xa0b0, 0x3fd7,
+  0xa0c5, 0x492d,
+  0xa0c6, 0x3fec,
+  0xa0d0, 0x492e,
+  0xa0d1, 0x3ff6,
+  0xa0d4, 0x3ff9,
+  0xa0d6, 0x3ffb,
+  0xa0e0, 0x4005,
+  0xa0e2, 0x4007,
+  0xa0e3, 0x492f,
+  0xa0e5, 0x4009,
+  0xa0e7, 0x4930,
+  0xa0ee, 0x43b4,
+  0xa0ef, 0x4937,
+  0xa0f2, 0x43b8,
+  0xa0f3, 0x493a,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc6a1, 0x01fa,
+  0xc6bf, 0x0219,
+  0xc6d8, 0x35b3,
+  0xc6df, 0x1794,
+  0xc6e0, 0x35ba,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc8d4, 0x44c6,
+  0xc8d7, 0x451c,
+  0xc8e0, 0x02dc,
+  0xc8e1, 0x4525,
+  0xc8e9, 0x0509,
+  0xc8ea, 0x452d,
+  0xc8f1, 0x09f6,
+  0xc8f5, 0x4992,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xfa40, 0x400b,
+  0xfa60, 0x402b,
+  0xfa67, 0x4032,
+  0xfaa1, 0x404a,
+  0xfaa9, 0x4946,
+  0xfaab, 0x4054,
+  0xfabe, 0x4067,
+  0xfac6, 0x406f,
+  0xfad6, 0x407f,
+  0xfb40, 0x40a8,
+  0xfb49, 0x40b1,
+  0xfb53, 0x4948,
+  0xfb54, 0x40bc,
+  0xfb6e, 0x4949,
+  0xfb6f, 0x40d7,
+  0xfba1, 0x40e7,
+  0xfba3, 0x494a,
+  0xfba4, 0x40ea,
+  0xfbb9, 0x40ff,
+  0xfbbf, 0x494b,
+  0xfbc0, 0x4105,
+  0xfbcd, 0x494c,
+  0xfbce, 0x4112,
+  0xfbf4, 0x4138,
+  0xfbfa, 0x413e,
+  0xfc40, 0x4143,
+  0xfc4a, 0x494d,
+  0xfc4b, 0x414d,
+  0xfc50, 0x4151,
+  0xfc52, 0x494e,
+  0xfc53, 0x4153,
+  0xfc63, 0x494f,
+  0xfc64, 0x4163,
+  0xfc6d, 0x4950,
+  0xfc6e, 0x416d,
+  0xfc75, 0x4951,
+  0xfc76, 0x4174,
+  0xfca1, 0x417d,
+  0xfcba, 0x4195,
+  0xfcbc, 0x4952,
+  0xfcbe, 0x4198,
+  0xfccc, 0x4954,
+  0xfccd, 0x41a7,
+  0xfce3, 0x4955,
+  0xfce4, 0x41bd,
+  0xfcee, 0x4956,
+  0xfcef, 0x41c7,
+  0xfcf2, 0x41ca,
+  0xfd40, 0x41d7,
+  0xfd49, 0x4957,
+  0xfd4a, 0x41e0,
+  0xfd6a, 0x4958,
+  0xfd6b, 0x4201,
+  0xfda1, 0x4215,
+  0xfdb9, 0x422d,
+  0xfdbc, 0x4230,
+  0xfde3, 0x4959,
+  0xfde4, 0x4258,
+  0xfdf2, 0x495a,
+  0xfdf3, 0x4266,
+  0xfe40, 0x4272,
+  0xfe53, 0x4285,
+  0xfe6d, 0x495b,
+  0xfe6e, 0x429f,
+  0xfe70, 0x42a1,
+  0xfe78, 0x495c,
+  0xfe79, 0x42a9,
+  0xfea1, 0x42af,
+  0xfeab, 0x42b8,
+  0xfede, 0x495d,
+  0xfee0, 0x42eb,
+  0xfeed, 0x495f,
+  0xfeef, 0x42f8,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xc6e4, 0x3711,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13ETHKB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13ETHKB5VMap2, 1139
+};
+
+static Gushort cns13ETenB5HMap2[510] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc6a1, 0x01fa,
+  0xc6bf, 0x0219,
+  0xc6d8, 0x35b3,
+  0xc6df, 0x1794,
+  0xc6e0, 0x35ba,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13ETenB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x3550, 0x3551, 0x3552, 0x3553, 0x3554, 0x3555, 0x3556, 0x3557,
+    0x3558, 0x3559, 0x355a, 0x355b, 0x355c, 0x355d, 0x355e, 0x355f,
+    0x3560, 0x3561, 0x3562, 0x3563, 0x3564, 0x3565, 0x3566, 0x3567,
+    0x3568, 0x3569, 0x356a, 0x356b, 0x356c, 0x356d, 0x356e, 0x356f,
+    0x3570, 0x3571, 0x3572, 0x3573, 0x3574, 0x3575, 0x3576, 0x3577,
+    0x3578, 0x3579, 0x357a, 0x357b, 0x357c, 0x357d, 0x357e, 0x357f,
+    0x3580, 0x3581, 0x3582, 0x3583, 0x3584, 0x3585, 0x3586, 0x3587,
+    0x3588, 0x3589, 0x358a, 0x358b, 0x358c, 0x358d, 0x358e, 0x358f,
+    0x3590, 0x3591, 0x3592, 0x3593, 0x3594, 0x3595, 0x3596, 0x3597,
+    0x3598, 0x3599, 0x359a, 0x359b, 0x359c, 0x359d, 0x359e, 0x359f,
+    0x35a0, 0x35a1, 0x35a2, 0x35a3, 0x35a4, 0x35a5, 0x35a6, 0x35a7,
+    0x35a8, 0x35a9, 0x35aa, 0x35ab, 0x35ac, 0x35ad, 0x35ae, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13ETenB5HMap2, 255
+};
+
+static Gushort cns13ETenB5VMap2[536] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc6a1, 0x01fa,
+  0xc6bf, 0x0219,
+  0xc6d8, 0x35b3,
+  0xc6df, 0x1794,
+  0xc6e0, 0x35ba,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xc6e4, 0x3711,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13ETenB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x3550, 0x3551, 0x3552, 0x3553, 0x3554, 0x3555, 0x3556, 0x3557,
+    0x3558, 0x3559, 0x355a, 0x355b, 0x355c, 0x355d, 0x355e, 0x355f,
+    0x3560, 0x3561, 0x3562, 0x3563, 0x3564, 0x3565, 0x3566, 0x3567,
+    0x3568, 0x3569, 0x356a, 0x356b, 0x356c, 0x356d, 0x356e, 0x356f,
+    0x3570, 0x3571, 0x3572, 0x3573, 0x3574, 0x3575, 0x3576, 0x3577,
+    0x3578, 0x3579, 0x357a, 0x357b, 0x357c, 0x357d, 0x357e, 0x357f,
+    0x3580, 0x3581, 0x3582, 0x3583, 0x3584, 0x3585, 0x3586, 0x3587,
+    0x3588, 0x3589, 0x358a, 0x358b, 0x358c, 0x358d, 0x358e, 0x358f,
+    0x3590, 0x3591, 0x3592, 0x3593, 0x3594, 0x3595, 0x3596, 0x3597,
+    0x3598, 0x3599, 0x359a, 0x359b, 0x359c, 0x359d, 0x359e, 0x359f,
+    0x35a0, 0x35a1, 0x35a2, 0x35a3, 0x35a4, 0x35a5, 0x35a6, 0x35a7,
+    0x35a8, 0x35a9, 0x35aa, 0x35ab, 0x35ac, 0x35ad, 0x35ae, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13ETenB5VMap2, 268
+};
+
+static Gushort cns13ETenmsB5HMap2[510] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc6a1, 0x01fa,
+  0xc6bf, 0x0219,
+  0xc6d8, 0x35b3,
+  0xc6df, 0x1794,
+  0xc6e0, 0x35ba,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13ETenmsB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13ETenmsB5HMap2, 255
+};
+
+static Gushort cns13ETenmsB5VMap2[568] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa14b, 0x354e,
+  0xa14c, 0x006d,
+  0xa14d, 0x0070,
+  0xa156, 0x0138,
+  0xa157, 0x007a,
+  0xa158, 0x007a,
+  0xa159, 0x35af,
+  0xa15a, 0x35af,
+  0xa15b, 0x35b1,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa15f, 0x0082,
+  0xa161, 0x0086,
+  0xa163, 0x0086,
+  0xa165, 0x008a,
+  0xa167, 0x008a,
+  0xa169, 0x008e,
+  0xa16b, 0x008e,
+  0xa16d, 0x0092,
+  0xa16f, 0x0092,
+  0xa171, 0x0096,
+  0xa173, 0x0096,
+  0xa175, 0x009a,
+  0xa177, 0x009a,
+  0xa179, 0x009e,
+  0xa17b, 0x009e,
+  0xa17d, 0x0082,
+  0xa1a1, 0x0086,
+  0xa1a3, 0x008a,
+  0xa1a5, 0x00a6,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc6a1, 0x01fa,
+  0xc6bf, 0x0219,
+  0xc6d8, 0x35b3,
+  0xc6df, 0x1794,
+  0xc6e0, 0x35ba,
+  0xc6e4, 0x3711,
+  0xc6e6, 0x35c0,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13ETenmsB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13ETenmsB5VMap2, 284
+};
+
+static Gushort cns13HKdlaB5HMap2[2046] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
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+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
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+  0xcc40, 0x1942,
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+  0xcea1, 0x1abb,
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+  0xcfa1, 0x1b58,
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+  0xd240, 0x1cf0,
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+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
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+  0xd540, 0x1ec7,
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+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
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+  0xd840, 0x209d,
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+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
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+  0xe540, 0x2896,
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+  0xe640, 0x2933,
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+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
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+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
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+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
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+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
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+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
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+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
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+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
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+  0xf663, 0x3264,
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+  0xf740, 0x33a0,
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+  0xf840, 0x343d,
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+  0xf940, 0x34da,
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+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
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+  0xf9d2, 0x354a,
+  0xfa41, 0x4149,
+  0xfa42, 0x3ea3,
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+  0xfa44, 0x3e87,
+  0xfa45, 0x3e05,
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+  0xfa48, 0x3d6d,
+  0xfa49, 0x3e7f,
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+  0xfa4d, 0x3ea7,
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+  0xfa61, 0x3e91,
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+  0xfa63, 0x3dc3,
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+  0xfa66, 0x3871,
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+  0xfa6b, 0x4123,
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+  0xfa6e, 0x3b2e,
+  0xfa6f, 0x3dbd,
+  0xfa70, 0x3864,
+  0xfa71, 0x3c7d,
+  0xfa72, 0x3ea9,
+  0xfa73, 0x420d,
+  0xfa74, 0x3f58,
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+  0xfa7e, 0x3e9f,
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+  0xfaa2, 0x3e8b,
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+  0xfaaa, 0x42c8,
+  0xfaab, 0x3e90,
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+  0xfad2, 0x381b,
+  0xfad3, 0x3e9a,
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+  0xfae3, 0x3e8c,
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+  0xfae5, 0x3ea1,
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+  0xfaf2, 0x407b,
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+  0xfaf7, 0x385e,
+  0xfaf8, 0x376c,
+  0xfaf9, 0x3dbe,
+  0xfafa, 0x3813,
+  0xfafb, 0x3fff,
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+  0xfafd, 0x3786,
+  0xfafe, 0x3b4a,
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+  0xfb42, 0x3c7a,
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+  0xfb44, 0x3c26,
+  0xfb45, 0x38af,
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+  0xfb47, 0x37a8,
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+  0xfb55, 0x3ccd,
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+  0xfb58, 0x374c,
+  0xfb59, 0x3769,
+  0xfb5a, 0x3b4f,
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+  0xfb5c, 0x2e45,
+  0xfb5d, 0x380d,
+  0xfb5e, 0x3fa2,
+  0xfb5f, 0x381c,
+  0xfb60, 0x3f7c,
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+  0xfb65, 0x388b,
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+  0xfb69, 0x3f34,
+  0xfb6a, 0x3c12,
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+  0xfb6c, 0x3faa,
+  0xfb6d, 0x390b,
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+  0xfb6f, 0x3f27,
+  0xfb70, 0x3f90,
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+  0xfb74, 0x3d76,
+  0xfb75, 0x39c8,
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+  0xfb78, 0x393d,
+  0xfb79, 0x3c66,
+  0xfb7a, 0x39d0,
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+  0xfb7c, 0x3f2c,
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+  0xfb7e, 0x39cc,
+  0xfba1, 0x3f26,
+  0xfba2, 0x39cd,
+  0xfba3, 0x3f3f,
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+  0xfba5, 0x3fce,
+  0xfba6, 0x4034,
+  0xfba7, 0x3f5e,
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+  0xfbaa, 0x4178,
+  0xfbab, 0x3f60,
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+  0xfbad, 0x405d,
+  0xfbae, 0x3f43,
+  0xfbaf, 0x3f68,
+  0xfbb0, 0x4060,
+  0xfbb1, 0x3f2a,
+  0xfbb2, 0x4063,
+  0xfbb3, 0x39e7,
+  0xfbb4, 0x38b6,
+  0xfbb5, 0x4090,
+  0xfbb6, 0x4048,
+  0xfbb7, 0x4012,
+  0xfbb8, 0x3d7c,
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+  0xfbba, 0x404d,
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+  0xfbbd, 0x3d79,
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+  0xfbc2, 0x406d,
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+  0xfbca, 0x40a1,
+  0xfbcb, 0x3f32,
+  0xfbcc, 0x4203,
+  0xfbcd, 0x3f66,
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+  0xfbd1, 0x0570,
+  0xfbd2, 0x3f39,
+  0xfbd3, 0x0871,
+  0xfbd4, 0x3f24,
+  0xfbd5, 0x40ae,
+  0xfbd6, 0x3f44,
+  0xfbd7, 0x38f5,
+  0xfbd8, 0x3fc9,
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+  0xfbda, 0x3fb5,
+  0xfbdb, 0x3e7c,
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+  0xfbdd, 0x3f4d,
+  0xfbde, 0x40bc,
+  0xfbdf, 0x40b7,
+  0xfbe0, 0x3858,
+  0xfbe1, 0x43af,
+  0xfbe2, 0x3f6c,
+  0xfbe3, 0x3d85,
+  0xfbe4, 0x4396,
+  0xfbe5, 0x39a6,
+  0xfbe6, 0x3f7d,
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+  0xfbe8, 0x40c8,
+  0xfbe9, 0x3f5f,
+  0xfbea, 0x3f2b,
+  0xfbeb, 0x3d72,
+  0xfbec, 0x40cf,
+  0xfbed, 0x3a05,
+  0xfbee, 0x3d82,
+  0xfbef, 0x40dc,
+  0xfbf0, 0x3d65,
+  0xfbf1, 0x40d4,
+  0xfbf2, 0x40da,
+  0xfbf3, 0x3f2d,
+  0xfbf4, 0x0595,
+  0xfbf5, 0x3d81,
+  0xfbf6, 0x40f1,
+  0xfbf7, 0x06f5,
+  0xfbf8, 0x40f8,
+  0xfbf9, 0x40fb,
+  0xfbfa, 0x3f41,
+  0xfbfb, 0x4118,
+  0xfbfc, 0x3d89,
+  0xfbfd, 0x3f5c,
+  0xfbfe, 0x3d67,
+  0xfc40, 0x3f0e,
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+  0xfc42, 0x4122,
+  0xfc43, 0x3fca,
+  0xfc44, 0x4129,
+  0xfc45, 0x3f0c,
+  0xfc46, 0x3f0b,
+  0xfc47, 0x3f61,
+  0xfc48, 0x3d8a,
+  0xfc49, 0x3f2e,
+  0xfc4a, 0x1971,
+  0xfc4b, 0x4135,
+  0xfc4c, 0x3a2b,
+  0xfc4d, 0x3f6b,
+  0xfc4e, 0x3ba5,
+  0xfc4f, 0x4044,
+  0xfc50, 0x4255,
+  0xfc51, 0x3737,
+  0xfc52, 0x3f25,
+  0xfc53, 0x3739,
+  0xfc54, 0x3a30,
+  0xfc55, 0x4143,
+  0xfc56, 0x40c4,
+  0xfc57, 0x3d64,
+  0xfc58, 0x3fbe,
+  0xfc59, 0x3fa6,
+  0xfc5a, 0x402c,
+  0xfc5b, 0x4157,
+  0xfc5c, 0x3f9f,
+  0xfc5d, 0x2b40,
+  0xfc5e, 0x3fa7,
+  0xfc5f, 0x4005,
+  0xfc60, 0x4001,
+  0xfc61, 0x1c9b,
+  0xfc62, 0x3d84,
+  0xfc63, 0x0a95,
+  0xfc64, 0x416c,
+  0xfc65, 0x4009,
+  0xfc66, 0x3d75,
+  0xfc67, 0x3adc,
+  0xfc68, 0x3fa8,
+  0xfc69, 0x3f37,
+  0xfc6a, 0x4174,
+  0xfc6b, 0x4006,
+  0xfc6c, 0x4002,
+  0xfc6d, 0x3fba,
+  0xfc6e, 0x3fc0,
+  0xfc6f, 0x12b0,
+  0xfc70, 0x3fbd,
+  0xfc71, 0x4173,
+  0xfc72, 0x4186,
+  0xfc73, 0x3a54,
+  0xfc74, 0x3fc5,
+  0xfc75, 0x4259,
+  0xfc76, 0x3fc2,
+  0xfc77, 0x3f15,
+  0xfc78, 0x3f50,
+  0xfc79, 0x3f86,
+  0xfc7a, 0x3fc1,
+  0xfc7b, 0x418c,
+  0xfc7c, 0x3fc7,
+  0xfc7d, 0x3f16,
+  0xfc7e, 0x418e,
+  0xfca1, 0x3f4b,
+  0xfca2, 0x419d,
+  0xfca3, 0x115f,
+  0xfca4, 0x3fc4,
+  0xfca5, 0x3384,
+  0xfca6, 0x3d99,
+  0xfca7, 0x41b9,
+  0xfca8, 0x3a89,
+  0xfca9, 0x41b7,
+  0xfcaa, 0x3d8b,
+  0xfcab, 0x3d66,
+  0xfcac, 0x03e2,
+  0xfcad, 0x3d6a,
+  0xfcae, 0x3d7a,
+  0xfcaf, 0x41e3,
+  0xfcb0, 0x0619,
+  0xfcb1, 0x3996,
+  0xfcb2, 0x3fc8,
+  0xfcb3, 0x3a9e,
+  0xfcb4, 0x3f38,
+  0xfcb5, 0x3d80,
+  0xfcb6, 0x41de,
+  0xfcb8, 0x42eb,
+  0xfcb9, 0x3d86,
+  0xfcba, 0x41db,
+  0xfcbb, 0x3f3e,
+  0xfcbc, 0x4056,
+  0xfcbd, 0x41d9,
+  0xfcbe, 0x3ff6,
+  0xfcbf, 0x3f5d,
+  0xfcc0, 0x3d74,
+  0xfcc1, 0x41e8,
+  0xfcc2, 0x41c7,
+  0xfcc3, 0x3d91,
+  0xfcc4, 0x3b4b,
+  0xfcc5, 0x3d42,
+  0xfcc6, 0x3aad,
+  0xfcc7, 0x3aa5,
+  0xfcc8, 0x41f2,
+  0xfcc9, 0x3f4c,
+  0xfcca, 0x41f8,
+  0xfccb, 0x3f6e,
+  0xfccc, 0x3f79,
+  0xfccd, 0x3f8d,
+  0xfcce, 0x4003,
+  0xfccf, 0x3f91,
+  0xfcd0, 0x3ac3,
+  0xfcd1, 0x091a,
+  0xfcd2, 0x4234,
+  0xfcd3, 0x3ffb,
+  0xfcd4, 0x4240,
+  0xfcd6, 0x3ffd,
+  0xfcd7, 0x3f78,
+  0xfcd8, 0x3c75,
+  0xfcd9, 0x3c73,
+  0xfcda, 0x38a5,
+  0xfcdb, 0x43f9,
+  0xfcdc, 0x3cfe,
+  0xfcdd, 0x4257,
+  0xfcde, 0x4233,
+  0xfcdf, 0x3d69,
+  0xfce0, 0x3c7e,
+  0xfce1, 0x3d6f,
+  0xfce2, 0x4000,
+  0xfce3, 0x3dc0,
+  0xfce4, 0x4004,
+  0xfce5, 0x0e72,
+  0xfce6, 0x3938,
+  0xfce7, 0x3fa4,
+  0xfce8, 0x295a,
+  0xfce9, 0x4273,
+  0xfcea, 0x3ac9,
+  0xfceb, 0x427d,
+  0xfcec, 0x3aca,
+  0xfced, 0x3fb2,
+  0xfcee, 0x3fb6,
+  0xfcef, 0x3f97,
+  0xfcf0, 0x3f9a,
+  0xfcf1, 0x428b,
+  0xfcf2, 0x43fa,
+  0xfcf3, 0x428a,
+  0xfcf4, 0x3f51,
+  0xfcf5, 0x3f98,
+  0xfcf6, 0x41a3,
+  0xfcf7, 0x3d5c,
+  0xfcf8, 0x3f63,
+  0xfcf9, 0x4290,
+  0xfcfa, 0x1f94,
+  0xfcfb, 0x42c6,
+  0xfcfc, 0x42a2,
+  0xfcfd, 0x3ffa,
+  0xfcfe, 0x3f9d,
+  0xfd40, 0x3ffe,
+  0xfd41, 0x3f9b,
+  0xfd42, 0x3fdf,
+  0xfd43, 0x3fe6,
+  0xfd44, 0x3fde,
+  0xfd45, 0x42b7,
+  0xfd46, 0x3ff4,
+  0xfd47, 0x42b8,
+  0xfd48, 0x3feb,
+  0xfd49, 0x42bf,
+  0xfd4a, 0x3d71,
+  0xfd4b, 0x3f4f,
+  0xfd4c, 0x42c5,
+  0xfd4d, 0x42d5,
+  0xfd4e, 0x42d0,
+  0xfd4f, 0x42d8,
+  0xfd50, 0x3f55,
+  0xfd51, 0x3fe8,
+  0xfd52, 0x3ff3,
+  0xfd53, 0x42df,
+  0xfd54, 0x3fd3,
+  0xfd55, 0x3e73,
+  0xfd56, 0x3f95,
+  0xfd57, 0x42ee,
+  0xfd58, 0x42f4,
+  0xfd59, 0x3f8c,
+  0xfd5a, 0x3fcf,
+  0xfd5b, 0x42ec,
+  0xfd5c, 0x3fd4,
+  0xfd5d, 0x42f0,
+  0xfd5e, 0x07c2,
+  0xfd5f, 0x0955,
+  0xfd60, 0x42fe,
+  0xfd61, 0x4301,
+  0xfd62, 0x3ccd,
+  0xfd63, 0x4307,
+  0xfd64, 0x43fb,
+  0xfd65, 0x3fda,
+  0xfd66, 0x3f8b,
+  0xfd67, 0x3733,
+  0xfd68, 0x3f8a,
+  0xfd69, 0x3741,
+  0xfd6a, 0x3740,
+  0xfd6b, 0x3742,
+  0xfd6c, 0x3f93,
+  0xfd6d, 0x3f8f,
+  0xfd6e, 0x3e70,
+  0xfd6f, 0x42c9,
+  0xfd70, 0x3e72,
+  0xfd71, 0x3fa9,
+  0xfd72, 0x42cd,
+  0xfd73, 0x43d2,
+  0xfd74, 0x3f8e,
+  0xfd75, 0x3f77,
+  0xfd76, 0x3d6e,
+  0xfd77, 0x0d0a,
+  0xfd78, 0x3f11,
+  0xfd79, 0x3752,
+  0xfd7a, 0x3f14,
+  0xfd7b, 0x3f18,
+  0xfd7c, 0x3f53,
+  0xfd7d, 0x3f1f,
+  0xfd7e, 0x3f1c,
+  0xfda1, 0x3fb8,
+  0xfda2, 0x339d,
+  0xfda3, 0x3b3f,
+  0xfda4, 0x3f52,
+  0xfda5, 0x3f1a,
+  0xfda6, 0x3f1d,
+  0xfda7, 0x375c,
+  0xfda8, 0x3885,
+  0xfda9, 0x3761,
+  0xfdaa, 0x3fd7,
+  0xfdab, 0x3fd6,
+  0xfdac, 0x3fd9,
+  0xfdad, 0x3fd8,
+  0xfdae, 0x3fdd,
+  0xfdaf, 0x3e93,
+  0xfdb0, 0x3769,
+  0xfdb1, 0x376e,
+  0xfdb2, 0x3b4c,
+  0xfdb3, 0x3774,
+  0xfdb4, 0x377f,
+  0xfdb5, 0x377b,
+  0xfdb6, 0x3782,
+  0xfdb7, 0x3b4f,
+  0xfdb8, 0x3792,
+  0xfdb9, 0x3fe3,
+  0xfdba, 0x3fdc,
+  0xfdbb, 0x3fdb,
+  0xfdbc, 0x3fe5,
+  0xfdbd, 0x3b75,
+  0xfdbe, 0x37a2,
+  0xfdbf, 0x3fe2,
+  0xfdc0, 0x3fe7,
+  0xfdc1, 0x3e6d,
+  0xfdc2, 0x0d2a,
+  0xfdc3, 0x3e79,
+  0xfdc4, 0x3e76,
+  0xfdc5, 0x379f,
+  0xfdc6, 0x3fee,
+  0xfdc7, 0x42d4,
+  0xfdc8, 0x3d94,
+  0xfdc9, 0x3d61,
+  0xfdca, 0x3fe1,
+  0xfdcb, 0x375e,
+  0xfdcc, 0x3b7a,
+  0xfdcd, 0x380b,
+  0xfdce, 0x3fec,
+  0xfdcf, 0x3fef,
+  0xfdd0, 0x2e45,
+  0xfdd1, 0x3ffc,
+  0xfdd2, 0x3fed,
+  0xfdd3, 0x380d,
+  0xfdd4, 0x3fe4,
+  0xfdd5, 0x3f92,
+  0xfdd6, 0x3fae,
+  0xfdd7, 0x3811,
+  0xfdd8, 0x3f7a,
+  0xfdd9, 0x3b8b,
+  0xfdda, 0x3f5a,
+  0xfddb, 0x3816,
+  0xfddc, 0x3fa2,
+  0xfddd, 0x3b8e,
+  0xfdde, 0x381c,
+  0xfddf, 0x2054,
+  0xfde0, 0x381f,
+  0xfde1, 0x3fa0,
+  0xfde2, 0x43fc,
+  0xfde3, 0x3e16,
+  0xfde4, 0x3b94,
+  0xfde5, 0x3f7c,
+  0xfde6, 0x4007,
+  0xfde7, 0x3f7b,
+  0xfde8, 0x3d73,
+  0xfde9, 0x3e77,
+  0xfdea, 0x3d92,
+  0xfdeb, 0x3fa1,
+  0xfdec, 0x37c1,
+  0xfded, 0x37d3,
+  0xfdee, 0x3e7a,
+  0xfdef, 0x3f59,
+  0xfdf0, 0x3c55,
+  0xfdf1, 0x3ff8,
+  0xfdf2, 0x3ff5,
+  0xfdf3, 0x3c4c,
+  0xfdf4, 0x3d8c,
+  0xfdf5, 0x3fa3,
+  0xfdf6, 0x37c0,
+  0xfdf7, 0x3f54,
+  0xfdf8, 0x3800,
+  0xfdf9, 0x3b7f,
+  0xfdfa, 0x3f9e,
+  0xfdfb, 0x3822,
+  0xfdfc, 0x3fe9,
+  0xfdfd, 0x3823,
+  0xfdfe, 0x3fe0,
+  0xfe40, 0x3d93,
+  0xfe41, 0x3ff9,
+  0xfe42, 0x3827,
+  0xfe43, 0x3fa5,
+  0xfe44, 0x3ff0,
+  0xfe45, 0x3836,
+  0xfe46, 0x3f99,
+  0xfe47, 0x3ff2,
+  0xfe48, 0x3d8d,
+  0xfe49, 0x43e6,
+  0xfe4a, 0x3522,
+  0xfe4b, 0x3ff1,
+  0xfe4c, 0x3f9c,
+  0xfe4d, 0x3fb1,
+  0xfe4e, 0x3f96,
+  0xfe4f, 0x3e6f,
+  0xfe50, 0x3f69,
+  0xfe51, 0x3ff7,
+  0xfe52, 0x3f82,
+  0xfe53, 0x3f88,
+  0xfe54, 0x3f85,
+  0xfe55, 0x3f83,
+  0xfe56, 0x3f7f,
+  0xfe57, 0x3f89,
+  0xfe58, 0x3bb5,
+  0xfe59, 0x3862,
+  0xfe5a, 0x3f87,
+  0xfe5b, 0x3f31,
+  0xfe5c, 0x3815,
+  0xfe5d, 0x387e,
+  0xfe5e, 0x3f49,
+  0xfe5f, 0x3f48,
+  0xfe60, 0x3f47,
+  0xfe61, 0x3f45,
+  0xfe62, 0x43eb,
+  0xfe63, 0x3882,
+  0xfe64, 0x3f6f,
+  0xfe65, 0x3f4e,
+  0xfe66, 0x3bc8,
+  0xfe67, 0x43fd,
+  0xfe68, 0x3d6b,
+  0xfe6a, 0x43fe,
+  0xfe6b, 0x3fcb,
+  0xfe6c, 0x3dd2,
+  0xfe6d, 0x3879,
+  0xfe6e, 0x3f10,
+  0xfe6f, 0x382e,
+  0xfe70, 0x388b,
+  0xfe71, 0x3c60,
+  0xfe72, 0x2a9f,
+  0xfe73, 0x3c61,
+  0xfe74, 0x3893,
+  0xfe75, 0x3e74,
+  0xfe76, 0x3fac,
+  0xfe77, 0x3f81,
+  0xfe78, 0x3bcd,
+  0xfe79, 0x3bd4,
+  0xfe7a, 0x3bd3,
+  0xfe7b, 0x3fcc,
+  0xfe7c, 0x3fd1,
+  0xfe7d, 0x3f3d,
+  0xfe7e, 0x3f4a,
+  0xfea1, 0x2352,
+  0xfea2, 0x38ad,
+  0xfea3, 0x3f46,
+  0xfea4, 0x38b5,
+  0xfea5, 0x3f0d,
+  0xfea6, 0x3fb3,
+  0xfea7, 0x38c0,
+  0xfea8, 0x3e2f,
+  0xfea9, 0x38cf,
+  0xfeaa, 0x38d5,
+  0xfeab, 0x3f33,
+  0xfeac, 0x3d95,
+  0xfead, 0x3f35,
+  0xfeae, 0x38d7,
+  0xfeaf, 0x3f2f,
+  0xfeb0, 0x38e0,
+  0xfeb1, 0x3c02,
+  0xfeb2, 0x3f72,
+  0xfeb3, 0x3f70,
+  0xfeb4, 0x3d96,
+  0xfeb5, 0x38e6,
+  0xfeb7, 0x4035,
+  0xfeb8, 0x3f73,
+  0xfeb9, 0x38f0,
+  0xfeba, 0x3c0b,
+  0xfebb, 0x38f7,
+  0xfebc, 0x37aa,
+  0xfebd, 0x43ff,
+  0xfebe, 0x38fa,
+  0xfebf, 0x3c11,
+  0xfec0, 0x3f34,
+  0xfec1, 0x3fb9,
+  0xfec2, 0x3c12,
+  0xfec3, 0x400a,
+  0xfec4, 0x3d77,
+  0xfec5, 0x3f42,
+  0xfec6, 0x3900,
+  0xfec7, 0x3902,
+  0xfec8, 0x3f74,
+  0xfec9, 0x3d97,
+  0xfeca, 0x3faa,
+  0xfecb, 0x3f19,
+  0xfecc, 0x3f1b,
+  0xfecd, 0x390e,
+  0xfece, 0x3909,
+  0xfecf, 0x390b,
+  0xfed0, 0x3f12,
+  0xfed1, 0x3f17,
+  0xfed2, 0x3fb7,
+  0xfed3, 0x3f20,
+  0xfed4, 0x3fbb,
+  0xfed5, 0x3f3c,
+  0xfed6, 0x3fad,
+  0xfed7, 0x3919,
+  0xfed8, 0x3f56,
+  0xfed9, 0x3f71,
+  0xfeda, 0x3fb4,
+  0xfedb, 0x391c,
+  0xfedc, 0x3f1e,
+  0xfedd, 0x3f3a,
+  0xfede, 0x391b,
+  0xfedf, 0x3d87,
+  0xfee0, 0x3c3a,
+  0xfee1, 0x3f22,
+  0xfee2, 0x3e71,
+  0xfee3, 0x3c39,
+  0xfee4, 0x3d7e,
+  0xfee5, 0x4124,
+  0xfee6, 0x3f3b,
+  0xfee7, 0x3e6e,
+  0xfee8, 0x3fab,
+  0xfee9, 0x3925,
+  0xfeea, 0x3f30,
+  0xfeeb, 0x3929,
+  0xfeec, 0x3f84,
+  0xfeed, 0x3f0f,
+  0xfeee, 0x3f76,
+  0xfeef, 0x3f94,
+  0xfef0, 0x3932,
+  0xfef1, 0x3f27,
+  0xfef2, 0x3933,
+  0xfef3, 0x3f75,
+  0xfef4, 0x3937,
+  0xfef5, 0x3d78,
+  0xfef6, 0x3f21,
+  0xfef7, 0x3f90,
+  0xfef8, 0x3940,
+  0xfef9, 0x3d7f,
+  0xfefa, 0x394a,
+  0xfefb, 0x3f80,
+  0xfefc, 0x3f23,
+  0xfefd, 0x3950,
+  0xfefe, 0x3f7e,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKdlaB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKdlaB5HMap2, 1023
+};
+
+static Gushort cns13HKdlaB5VMap2[2070] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xfa41, 0x4149,
+  0xfa42, 0x3ea3,
+  0xfa43, 0x3e84,
+  0xfa44, 0x3e87,
+  0xfa45, 0x3e05,
+  0xfa46, 0x4096,
+  0xfa47, 0x39c4,
+  0xfa48, 0x3d6d,
+  0xfa49, 0x3e7f,
+  0xfa4a, 0x3c77,
+  0xfa4b, 0x3e86,
+  0xfa4c, 0x387c,
+  0xfa4d, 0x3ea7,
+  0xfa4e, 0x420e,
+  0xfa4f, 0x3ea4,
+  0xfa50, 0x418a,
+  0xfa51, 0x405f,
+  0xfa52, 0x4116,
+  0xfa53, 0x408b,
+  0xfa54, 0x3e66,
+  0xfa55, 0x3e65,
+  0xfa56, 0x3d8f,
+  0xfa57, 0x419e,
+  0xfa58, 0x3a66,
+  0xfa59, 0x4161,
+  0xfa5a, 0x3e8a,
+  0xfa5b, 0x3d8e,
+  0xfa5c, 0x3e8d,
+  0xfa5d, 0x3dbc,
+  0xfa5e, 0x3e95,
+  0xfa5f, 0x39a3,
+  0xfa60, 0x41f4,
+  0xfa61, 0x3e91,
+  0xfa62, 0x3bc6,
+  0xfa63, 0x3dc3,
+  0xfa64, 0x3eae,
+  0xfa65, 0x3746,
+  0xfa66, 0x3871,
+  0xfa67, 0x3a00,
+  0xfa68, 0x428c,
+  0xfa69, 0x425b,
+  0xfa6a, 0x3ead,
+  0xfa6b, 0x4123,
+  0xfa6c, 0x3ea6,
+  0xfa6d, 0x3ea0,
+  0xfa6e, 0x3b2e,
+  0xfa6f, 0x3dbd,
+  0xfa70, 0x3864,
+  0xfa71, 0x3c7d,
+  0xfa72, 0x3ea9,
+  0xfa73, 0x420d,
+  0xfa74, 0x3f58,
+  0xfa75, 0x3e98,
+  0xfa76, 0x3d70,
+  0xfa77, 0x3ea8,
+  0xfa78, 0x3e94,
+  0xfa79, 0x3e9d,
+  0xfa7a, 0x3aaa,
+  0xfa7b, 0x3ea5,
+  0xfa7c, 0x3ccc,
+  0xfa7d, 0x4098,
+  0xfa7e, 0x3e9f,
+  0xfaa1, 0x41f5,
+  0xfaa2, 0x3e8b,
+  0xfaa3, 0x3b72,
+  0xfaa4, 0x37e0,
+  0xfaa5, 0x3adf,
+  0xfaa6, 0x42e0,
+  0xfaa7, 0x3e97,
+  0xfaa8, 0x4192,
+  0xfaa9, 0x3888,
+  0xfaaa, 0x42c8,
+  0xfaab, 0x3e90,
+  0xfaac, 0x386f,
+  0xfaad, 0x3e9c,
+  0xfaae, 0x4144,
+  0xfaaf, 0x4146,
+  0xfab0, 0x3e9e,
+  0xfab1, 0x3e89,
+  0xfab2, 0x4093,
+  0xfab3, 0x3e81,
+  0xfab5, 0x3c0e,
+  0xfab6, 0x3e85,
+  0xfab7, 0x38dc,
+  0xfab8, 0x4069,
+  0xfab9, 0x37d8,
+  0xfaba, 0x3e99,
+  0xfabb, 0x3e83,
+  0xfabc, 0x3e88,
+  0xfabd, 0x3e80,
+  0xfabe, 0x3eb1,
+  0xfabf, 0x416a,
+  0xfac0, 0x376b,
+  0xfac1, 0x3e67,
+  0xfac2, 0x3e78,
+  0xfac3, 0x4262,
+  0xfac4, 0x37f5,
+  0xfac5, 0x37f4,
+  0xfac6, 0x3b45,
+  0xfac7, 0x3e59,
+  0xfac8, 0x2abc,
+  0xfac9, 0x3dbf,
+  0xfaca, 0x40bd,
+  0xfacb, 0x3e7e,
+  0xfacc, 0x382d,
+  0xfacd, 0x3eb0,
+  0xface, 0x3eab,
+  0xfacf, 0x3eb2,
+  0xfad0, 0x4221,
+  0xfad1, 0x3f6a,
+  0xfad2, 0x381b,
+  0xfad3, 0x3e9a,
+  0xfad4, 0x4223,
+  0xfad5, 0x3e8e,
+  0xfad6, 0x3bfd,
+  0xfad7, 0x405a,
+  0xfad8, 0x3eaf,
+  0xfad9, 0x3cc8,
+  0xfada, 0x3948,
+  0xfadb, 0x42bd,
+  0xfadc, 0x40cc,
+  0xfadd, 0x3e5c,
+  0xfade, 0x3eac,
+  0xfadf, 0x391a,
+  0xfae0, 0x3eaa,
+  0xfae1, 0x4399,
+  0xfae2, 0x389a,
+  0xfae3, 0x3e8c,
+  0xfae4, 0x389f,
+  0xfae5, 0x3ea1,
+  0xfae6, 0x4187,
+  0xfae7, 0x3e8f,
+  0xfae8, 0x3fc3,
+  0xfae9, 0x3ea2,
+  0xfaea, 0x3e9b,
+  0xfaeb, 0x3e7d,
+  0xfaec, 0x4051,
+  0xfaed, 0x3fbc,
+  0xfaee, 0x3fd5,
+  0xfaef, 0x3b14,
+  0xfaf0, 0x4222,
+  0xfaf1, 0x379b,
+  0xfaf2, 0x407b,
+  0xfaf3, 0x3788,
+  0xfaf4, 0x3bb4,
+  0xfaf5, 0x41d0,
+  0xfaf6, 0x4264,
+  0xfaf7, 0x385e,
+  0xfaf8, 0x376c,
+  0xfaf9, 0x3dbe,
+  0xfafa, 0x3813,
+  0xfafb, 0x3fff,
+  0xfafc, 0x3d63,
+  0xfafd, 0x3786,
+  0xfafe, 0x3b4a,
+  0xfb40, 0x373a,
+  0xfb41, 0x427a,
+  0xfb42, 0x3c7a,
+  0xfb43, 0x4205,
+  0xfb44, 0x3c26,
+  0xfb45, 0x38af,
+  0xfb46, 0x3936,
+  0xfb47, 0x37a8,
+  0xfb48, 0x3b74,
+  0xfb49, 0x3f6d,
+  0xfb4a, 0x3e96,
+  0xfb4b, 0x37bc,
+  0xfb4c, 0x3e7b,
+  0xfb4d, 0x3fea,
+  0xfb4e, 0x41ca,
+  0xfb4f, 0x39d7,
+  0xfb50, 0x40d1,
+  0xfb51, 0x3b71,
+  0xfb52, 0x3fcf,
+  0xfb53, 0x07c2,
+  0xfb54, 0x42fe,
+  0xfb55, 0x3ccd,
+  0xfb56, 0x3e70,
+  0xfb57, 0x3e72,
+  0xfb58, 0x374c,
+  0xfb59, 0x3769,
+  0xfb5a, 0x3b4f,
+  0xfb5b, 0x379f,
+  0xfb5c, 0x2e45,
+  0xfb5d, 0x380d,
+  0xfb5e, 0x3fa2,
+  0xfb5f, 0x381c,
+  0xfb60, 0x3f7c,
+  0xfb61, 0x3f59,
+  0xfb62, 0x3f9e,
+  0xfb63, 0x3d93,
+  0xfb64, 0x3815,
+  0xfb65, 0x388b,
+  0xfb66, 0x3c60,
+  0xfb67, 0x38f0,
+  0xfb68, 0x37aa,
+  0xfb69, 0x3f34,
+  0xfb6a, 0x3c12,
+  0xfb6b, 0x3900,
+  0xfb6c, 0x3faa,
+  0xfb6d, 0x390b,
+  0xfb6e, 0x3929,
+  0xfb6f, 0x3f27,
+  0xfb70, 0x3f90,
+  0xfb71, 0x3f57,
+  0xfb72, 0x3f5b,
+  0xfb73, 0x3f62,
+  0xfb74, 0x3d76,
+  0xfb75, 0x39c8,
+  0xfb76, 0x3f64,
+  0xfb78, 0x393d,
+  0xfb79, 0x3c66,
+  0xfb7a, 0x39d0,
+  0xfb7b, 0x4022,
+  0xfb7c, 0x3f2c,
+  0xfb7d, 0x3f28,
+  0xfb7e, 0x39cc,
+  0xfba1, 0x3f26,
+  0xfba2, 0x39cd,
+  0xfba3, 0x3f3f,
+  0xfba4, 0x39c5,
+  0xfba5, 0x3fce,
+  0xfba6, 0x4034,
+  0xfba7, 0x3f5e,
+  0xfba8, 0x4032,
+  0xfba9, 0x4054,
+  0xfbaa, 0x4178,
+  0xfbab, 0x3f60,
+  0xfbac, 0x3f29,
+  0xfbad, 0x405d,
+  0xfbae, 0x3f43,
+  0xfbaf, 0x3f68,
+  0xfbb0, 0x4060,
+  0xfbb1, 0x3f2a,
+  0xfbb2, 0x4063,
+  0xfbb3, 0x39e7,
+  0xfbb4, 0x38b6,
+  0xfbb5, 0x4090,
+  0xfbb6, 0x4048,
+  0xfbb7, 0x4012,
+  0xfbb8, 0x3d7c,
+  0xfbb9, 0x404b,
+  0xfbba, 0x404d,
+  0xfbbb, 0x404f,
+  0xfbbc, 0x424f,
+  0xfbbd, 0x3d79,
+  0xfbbe, 0x3f40,
+  0xfbbf, 0x3f0a,
+  0xfbc0, 0x3fd0,
+  0xfbc1, 0x3f36,
+  0xfbc2, 0x406d,
+  0xfbc3, 0x4085,
+  0xfbc4, 0x4084,
+  0xfbc5, 0x413e,
+  0xfbc6, 0x413b,
+  0xfbc7, 0x3fc6,
+  0xfbc8, 0x4086,
+  0xfbc9, 0x3952,
+  0xfbca, 0x40a1,
+  0xfbcb, 0x3f32,
+  0xfbcc, 0x4203,
+  0xfbcd, 0x3f66,
+  0xfbce, 0x3d83,
+  0xfbcf, 0x3e75,
+  0xfbd0, 0x40a2,
+  0xfbd1, 0x0570,
+  0xfbd2, 0x3f39,
+  0xfbd3, 0x0871,
+  0xfbd4, 0x3f24,
+  0xfbd5, 0x40ae,
+  0xfbd6, 0x3f44,
+  0xfbd7, 0x38f5,
+  0xfbd8, 0x3fc9,
+  0xfbd9, 0x3fcd,
+  0xfbda, 0x3fb5,
+  0xfbdb, 0x3e7c,
+  0xfbdc, 0x3fd2,
+  0xfbdd, 0x3f4d,
+  0xfbde, 0x40bc,
+  0xfbdf, 0x40b7,
+  0xfbe0, 0x3858,
+  0xfbe1, 0x43af,
+  0xfbe2, 0x3f6c,
+  0xfbe3, 0x3d85,
+  0xfbe4, 0x4396,
+  0xfbe5, 0x39a6,
+  0xfbe6, 0x3f7d,
+  0xfbe7, 0x3fbf,
+  0xfbe8, 0x40c8,
+  0xfbe9, 0x3f5f,
+  0xfbea, 0x3f2b,
+  0xfbeb, 0x3d72,
+  0xfbec, 0x40cf,
+  0xfbed, 0x3a05,
+  0xfbee, 0x3d82,
+  0xfbef, 0x40dc,
+  0xfbf0, 0x3d65,
+  0xfbf1, 0x40d4,
+  0xfbf2, 0x40da,
+  0xfbf3, 0x3f2d,
+  0xfbf4, 0x0595,
+  0xfbf5, 0x3d81,
+  0xfbf6, 0x40f1,
+  0xfbf7, 0x06f5,
+  0xfbf8, 0x40f8,
+  0xfbf9, 0x40fb,
+  0xfbfa, 0x3f41,
+  0xfbfb, 0x4118,
+  0xfbfc, 0x3d89,
+  0xfbfd, 0x3f5c,
+  0xfbfe, 0x3d67,
+  0xfc40, 0x3f0e,
+  0xfc41, 0x3f13,
+  0xfc42, 0x4122,
+  0xfc43, 0x3fca,
+  0xfc44, 0x4129,
+  0xfc45, 0x3f0c,
+  0xfc46, 0x3f0b,
+  0xfc47, 0x3f61,
+  0xfc48, 0x3d8a,
+  0xfc49, 0x3f2e,
+  0xfc4a, 0x1971,
+  0xfc4b, 0x4135,
+  0xfc4c, 0x3a2b,
+  0xfc4d, 0x3f6b,
+  0xfc4e, 0x3ba5,
+  0xfc4f, 0x4044,
+  0xfc50, 0x4255,
+  0xfc51, 0x3737,
+  0xfc52, 0x3f25,
+  0xfc53, 0x3739,
+  0xfc54, 0x3a30,
+  0xfc55, 0x4143,
+  0xfc56, 0x40c4,
+  0xfc57, 0x3d64,
+  0xfc58, 0x3fbe,
+  0xfc59, 0x3fa6,
+  0xfc5a, 0x402c,
+  0xfc5b, 0x4157,
+  0xfc5c, 0x3f9f,
+  0xfc5d, 0x2b40,
+  0xfc5e, 0x3fa7,
+  0xfc5f, 0x4005,
+  0xfc60, 0x4001,
+  0xfc61, 0x1c9b,
+  0xfc62, 0x3d84,
+  0xfc63, 0x0a95,
+  0xfc64, 0x416c,
+  0xfc65, 0x4009,
+  0xfc66, 0x3d75,
+  0xfc67, 0x3adc,
+  0xfc68, 0x3fa8,
+  0xfc69, 0x3f37,
+  0xfc6a, 0x4174,
+  0xfc6b, 0x4006,
+  0xfc6c, 0x4002,
+  0xfc6d, 0x3fba,
+  0xfc6e, 0x3fc0,
+  0xfc6f, 0x12b0,
+  0xfc70, 0x3fbd,
+  0xfc71, 0x4173,
+  0xfc72, 0x4186,
+  0xfc73, 0x3a54,
+  0xfc74, 0x3fc5,
+  0xfc75, 0x4259,
+  0xfc76, 0x3fc2,
+  0xfc77, 0x3f15,
+  0xfc78, 0x3f50,
+  0xfc79, 0x3f86,
+  0xfc7a, 0x3fc1,
+  0xfc7b, 0x418c,
+  0xfc7c, 0x3fc7,
+  0xfc7d, 0x3f16,
+  0xfc7e, 0x418e,
+  0xfca1, 0x3f4b,
+  0xfca2, 0x419d,
+  0xfca3, 0x115f,
+  0xfca4, 0x3fc4,
+  0xfca5, 0x3384,
+  0xfca6, 0x3d99,
+  0xfca7, 0x41b9,
+  0xfca8, 0x3a89,
+  0xfca9, 0x41b7,
+  0xfcaa, 0x3d8b,
+  0xfcab, 0x3d66,
+  0xfcac, 0x03e2,
+  0xfcad, 0x3d6a,
+  0xfcae, 0x3d7a,
+  0xfcaf, 0x41e3,
+  0xfcb0, 0x0619,
+  0xfcb1, 0x3996,
+  0xfcb2, 0x3fc8,
+  0xfcb3, 0x3a9e,
+  0xfcb4, 0x3f38,
+  0xfcb5, 0x3d80,
+  0xfcb6, 0x41de,
+  0xfcb8, 0x42eb,
+  0xfcb9, 0x3d86,
+  0xfcba, 0x41db,
+  0xfcbb, 0x3f3e,
+  0xfcbc, 0x4056,
+  0xfcbd, 0x41d9,
+  0xfcbe, 0x3ff6,
+  0xfcbf, 0x3f5d,
+  0xfcc0, 0x3d74,
+  0xfcc1, 0x41e8,
+  0xfcc2, 0x41c7,
+  0xfcc3, 0x3d91,
+  0xfcc4, 0x3b4b,
+  0xfcc5, 0x3d42,
+  0xfcc6, 0x3aad,
+  0xfcc7, 0x3aa5,
+  0xfcc8, 0x41f2,
+  0xfcc9, 0x3f4c,
+  0xfcca, 0x41f8,
+  0xfccb, 0x3f6e,
+  0xfccc, 0x3f79,
+  0xfccd, 0x3f8d,
+  0xfcce, 0x4003,
+  0xfccf, 0x3f91,
+  0xfcd0, 0x3ac3,
+  0xfcd1, 0x091a,
+  0xfcd2, 0x4234,
+  0xfcd3, 0x3ffb,
+  0xfcd4, 0x4240,
+  0xfcd6, 0x3ffd,
+  0xfcd7, 0x3f78,
+  0xfcd8, 0x3c75,
+  0xfcd9, 0x3c73,
+  0xfcda, 0x38a5,
+  0xfcdb, 0x43f9,
+  0xfcdc, 0x3cfe,
+  0xfcdd, 0x4257,
+  0xfcde, 0x4233,
+  0xfcdf, 0x3d69,
+  0xfce0, 0x3c7e,
+  0xfce1, 0x3d6f,
+  0xfce2, 0x4000,
+  0xfce3, 0x3dc0,
+  0xfce4, 0x4004,
+  0xfce5, 0x0e72,
+  0xfce6, 0x3938,
+  0xfce7, 0x3fa4,
+  0xfce8, 0x295a,
+  0xfce9, 0x4273,
+  0xfcea, 0x3ac9,
+  0xfceb, 0x427d,
+  0xfcec, 0x3aca,
+  0xfced, 0x3fb2,
+  0xfcee, 0x3fb6,
+  0xfcef, 0x3f97,
+  0xfcf0, 0x3f9a,
+  0xfcf1, 0x428b,
+  0xfcf2, 0x43fa,
+  0xfcf3, 0x428a,
+  0xfcf4, 0x3f51,
+  0xfcf5, 0x3f98,
+  0xfcf6, 0x41a3,
+  0xfcf7, 0x3d5c,
+  0xfcf8, 0x3f63,
+  0xfcf9, 0x4290,
+  0xfcfa, 0x1f94,
+  0xfcfb, 0x42c6,
+  0xfcfc, 0x42a2,
+  0xfcfd, 0x3ffa,
+  0xfcfe, 0x3f9d,
+  0xfd40, 0x3ffe,
+  0xfd41, 0x3f9b,
+  0xfd42, 0x3fdf,
+  0xfd43, 0x3fe6,
+  0xfd44, 0x3fde,
+  0xfd45, 0x42b7,
+  0xfd46, 0x3ff4,
+  0xfd47, 0x42b8,
+  0xfd48, 0x3feb,
+  0xfd49, 0x42bf,
+  0xfd4a, 0x3d71,
+  0xfd4b, 0x3f4f,
+  0xfd4c, 0x42c5,
+  0xfd4d, 0x42d5,
+  0xfd4e, 0x42d0,
+  0xfd4f, 0x42d8,
+  0xfd50, 0x3f55,
+  0xfd51, 0x3fe8,
+  0xfd52, 0x3ff3,
+  0xfd53, 0x42df,
+  0xfd54, 0x3fd3,
+  0xfd55, 0x3e73,
+  0xfd56, 0x3f95,
+  0xfd57, 0x42ee,
+  0xfd58, 0x42f4,
+  0xfd59, 0x3f8c,
+  0xfd5a, 0x3fcf,
+  0xfd5b, 0x42ec,
+  0xfd5c, 0x3fd4,
+  0xfd5d, 0x42f0,
+  0xfd5e, 0x07c2,
+  0xfd5f, 0x0955,
+  0xfd60, 0x42fe,
+  0xfd61, 0x4301,
+  0xfd62, 0x3ccd,
+  0xfd63, 0x4307,
+  0xfd64, 0x43fb,
+  0xfd65, 0x3fda,
+  0xfd66, 0x3f8b,
+  0xfd67, 0x3733,
+  0xfd68, 0x3f8a,
+  0xfd69, 0x3741,
+  0xfd6a, 0x3740,
+  0xfd6b, 0x3742,
+  0xfd6c, 0x3f93,
+  0xfd6d, 0x3f8f,
+  0xfd6e, 0x3e70,
+  0xfd6f, 0x42c9,
+  0xfd70, 0x3e72,
+  0xfd71, 0x3fa9,
+  0xfd72, 0x42cd,
+  0xfd73, 0x43d2,
+  0xfd74, 0x3f8e,
+  0xfd75, 0x3f77,
+  0xfd76, 0x3d6e,
+  0xfd77, 0x0d0a,
+  0xfd78, 0x3f11,
+  0xfd79, 0x3752,
+  0xfd7a, 0x3f14,
+  0xfd7b, 0x3f18,
+  0xfd7c, 0x3f53,
+  0xfd7d, 0x3f1f,
+  0xfd7e, 0x3f1c,
+  0xfda1, 0x3fb8,
+  0xfda2, 0x339d,
+  0xfda3, 0x3b3f,
+  0xfda4, 0x3f52,
+  0xfda5, 0x3f1a,
+  0xfda6, 0x3f1d,
+  0xfda7, 0x375c,
+  0xfda8, 0x3885,
+  0xfda9, 0x3761,
+  0xfdaa, 0x3fd7,
+  0xfdab, 0x3fd6,
+  0xfdac, 0x3fd9,
+  0xfdad, 0x3fd8,
+  0xfdae, 0x3fdd,
+  0xfdaf, 0x3e93,
+  0xfdb0, 0x3769,
+  0xfdb1, 0x376e,
+  0xfdb2, 0x3b4c,
+  0xfdb3, 0x3774,
+  0xfdb4, 0x377f,
+  0xfdb5, 0x377b,
+  0xfdb6, 0x3782,
+  0xfdb7, 0x3b4f,
+  0xfdb8, 0x3792,
+  0xfdb9, 0x3fe3,
+  0xfdba, 0x3fdc,
+  0xfdbb, 0x3fdb,
+  0xfdbc, 0x3fe5,
+  0xfdbd, 0x3b75,
+  0xfdbe, 0x37a2,
+  0xfdbf, 0x3fe2,
+  0xfdc0, 0x3fe7,
+  0xfdc1, 0x3e6d,
+  0xfdc2, 0x0d2a,
+  0xfdc3, 0x3e79,
+  0xfdc4, 0x3e76,
+  0xfdc5, 0x379f,
+  0xfdc6, 0x3fee,
+  0xfdc7, 0x42d4,
+  0xfdc8, 0x3d94,
+  0xfdc9, 0x3d61,
+  0xfdca, 0x3fe1,
+  0xfdcb, 0x375e,
+  0xfdcc, 0x3b7a,
+  0xfdcd, 0x380b,
+  0xfdce, 0x3fec,
+  0xfdcf, 0x3fef,
+  0xfdd0, 0x2e45,
+  0xfdd1, 0x3ffc,
+  0xfdd2, 0x3fed,
+  0xfdd3, 0x380d,
+  0xfdd4, 0x3fe4,
+  0xfdd5, 0x3f92,
+  0xfdd6, 0x3fae,
+  0xfdd7, 0x3811,
+  0xfdd8, 0x3f7a,
+  0xfdd9, 0x3b8b,
+  0xfdda, 0x3f5a,
+  0xfddb, 0x3816,
+  0xfddc, 0x3fa2,
+  0xfddd, 0x3b8e,
+  0xfdde, 0x381c,
+  0xfddf, 0x2054,
+  0xfde0, 0x381f,
+  0xfde1, 0x3fa0,
+  0xfde2, 0x43fc,
+  0xfde3, 0x3e16,
+  0xfde4, 0x3b94,
+  0xfde5, 0x3f7c,
+  0xfde6, 0x4007,
+  0xfde7, 0x3f7b,
+  0xfde8, 0x3d73,
+  0xfde9, 0x3e77,
+  0xfdea, 0x3d92,
+  0xfdeb, 0x3fa1,
+  0xfdec, 0x37c1,
+  0xfded, 0x37d3,
+  0xfdee, 0x3e7a,
+  0xfdef, 0x3f59,
+  0xfdf0, 0x3c55,
+  0xfdf1, 0x3ff8,
+  0xfdf2, 0x3ff5,
+  0xfdf3, 0x3c4c,
+  0xfdf4, 0x3d8c,
+  0xfdf5, 0x3fa3,
+  0xfdf6, 0x37c0,
+  0xfdf7, 0x3f54,
+  0xfdf8, 0x3800,
+  0xfdf9, 0x3b7f,
+  0xfdfa, 0x3f9e,
+  0xfdfb, 0x3822,
+  0xfdfc, 0x3fe9,
+  0xfdfd, 0x3823,
+  0xfdfe, 0x3fe0,
+  0xfe40, 0x3d93,
+  0xfe41, 0x3ff9,
+  0xfe42, 0x3827,
+  0xfe43, 0x3fa5,
+  0xfe44, 0x3ff0,
+  0xfe45, 0x3836,
+  0xfe46, 0x3f99,
+  0xfe47, 0x3ff2,
+  0xfe48, 0x3d8d,
+  0xfe49, 0x43e6,
+  0xfe4a, 0x3522,
+  0xfe4b, 0x3ff1,
+  0xfe4c, 0x3f9c,
+  0xfe4d, 0x3fb1,
+  0xfe4e, 0x3f96,
+  0xfe4f, 0x3e6f,
+  0xfe50, 0x3f69,
+  0xfe51, 0x3ff7,
+  0xfe52, 0x3f82,
+  0xfe53, 0x3f88,
+  0xfe54, 0x3f85,
+  0xfe55, 0x3f83,
+  0xfe56, 0x3f7f,
+  0xfe57, 0x3f89,
+  0xfe58, 0x3bb5,
+  0xfe59, 0x3862,
+  0xfe5a, 0x3f87,
+  0xfe5b, 0x3f31,
+  0xfe5c, 0x3815,
+  0xfe5d, 0x387e,
+  0xfe5e, 0x3f49,
+  0xfe5f, 0x3f48,
+  0xfe60, 0x3f47,
+  0xfe61, 0x3f45,
+  0xfe62, 0x43eb,
+  0xfe63, 0x3882,
+  0xfe64, 0x3f6f,
+  0xfe65, 0x3f4e,
+  0xfe66, 0x3bc8,
+  0xfe67, 0x43fd,
+  0xfe68, 0x3d6b,
+  0xfe6a, 0x43fe,
+  0xfe6b, 0x3fcb,
+  0xfe6c, 0x3dd2,
+  0xfe6d, 0x3879,
+  0xfe6e, 0x3f10,
+  0xfe6f, 0x382e,
+  0xfe70, 0x388b,
+  0xfe71, 0x3c60,
+  0xfe72, 0x2a9f,
+  0xfe73, 0x3c61,
+  0xfe74, 0x3893,
+  0xfe75, 0x3e74,
+  0xfe76, 0x3fac,
+  0xfe77, 0x3f81,
+  0xfe78, 0x3bcd,
+  0xfe79, 0x3bd4,
+  0xfe7a, 0x3bd3,
+  0xfe7b, 0x3fcc,
+  0xfe7c, 0x3fd1,
+  0xfe7d, 0x3f3d,
+  0xfe7e, 0x3f4a,
+  0xfea1, 0x2352,
+  0xfea2, 0x38ad,
+  0xfea3, 0x3f46,
+  0xfea4, 0x38b5,
+  0xfea5, 0x3f0d,
+  0xfea6, 0x3fb3,
+  0xfea7, 0x38c0,
+  0xfea8, 0x3e2f,
+  0xfea9, 0x38cf,
+  0xfeaa, 0x38d5,
+  0xfeab, 0x3f33,
+  0xfeac, 0x3d95,
+  0xfead, 0x3f35,
+  0xfeae, 0x38d7,
+  0xfeaf, 0x3f2f,
+  0xfeb0, 0x38e0,
+  0xfeb1, 0x3c02,
+  0xfeb2, 0x3f72,
+  0xfeb3, 0x3f70,
+  0xfeb4, 0x3d96,
+  0xfeb5, 0x38e6,
+  0xfeb7, 0x4035,
+  0xfeb8, 0x3f73,
+  0xfeb9, 0x38f0,
+  0xfeba, 0x3c0b,
+  0xfebb, 0x38f7,
+  0xfebc, 0x37aa,
+  0xfebd, 0x43ff,
+  0xfebe, 0x38fa,
+  0xfebf, 0x3c11,
+  0xfec0, 0x3f34,
+  0xfec1, 0x3fb9,
+  0xfec2, 0x3c12,
+  0xfec3, 0x400a,
+  0xfec4, 0x3d77,
+  0xfec5, 0x3f42,
+  0xfec6, 0x3900,
+  0xfec7, 0x3902,
+  0xfec8, 0x3f74,
+  0xfec9, 0x3d97,
+  0xfeca, 0x3faa,
+  0xfecb, 0x3f19,
+  0xfecc, 0x3f1b,
+  0xfecd, 0x390e,
+  0xfece, 0x3909,
+  0xfecf, 0x390b,
+  0xfed0, 0x3f12,
+  0xfed1, 0x3f17,
+  0xfed2, 0x3fb7,
+  0xfed3, 0x3f20,
+  0xfed4, 0x3fbb,
+  0xfed5, 0x3f3c,
+  0xfed6, 0x3fad,
+  0xfed7, 0x3919,
+  0xfed8, 0x3f56,
+  0xfed9, 0x3f71,
+  0xfeda, 0x3fb4,
+  0xfedb, 0x391c,
+  0xfedc, 0x3f1e,
+  0xfedd, 0x3f3a,
+  0xfede, 0x391b,
+  0xfedf, 0x3d87,
+  0xfee0, 0x3c3a,
+  0xfee1, 0x3f22,
+  0xfee2, 0x3e71,
+  0xfee3, 0x3c39,
+  0xfee4, 0x3d7e,
+  0xfee5, 0x4124,
+  0xfee6, 0x3f3b,
+  0xfee7, 0x3e6e,
+  0xfee8, 0x3fab,
+  0xfee9, 0x3925,
+  0xfeea, 0x3f30,
+  0xfeeb, 0x3929,
+  0xfeec, 0x3f84,
+  0xfeed, 0x3f0f,
+  0xfeee, 0x3f76,
+  0xfeef, 0x3f94,
+  0xfef0, 0x3932,
+  0xfef1, 0x3f27,
+  0xfef2, 0x3933,
+  0xfef3, 0x3f75,
+  0xfef4, 0x3937,
+  0xfef5, 0x3d78,
+  0xfef6, 0x3f21,
+  0xfef7, 0x3f90,
+  0xfef8, 0x3940,
+  0xfef9, 0x3d7f,
+  0xfefa, 0x394a,
+  0xfefb, 0x3f80,
+  0xfefc, 0x3f23,
+  0xfefd, 0x3950,
+  0xfefe, 0x3f7e,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKdlaB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKdlaB5VMap2, 1035
+};
+
+static Gushort cns13HKdlbB5HMap2[1816] = {
+  0x0000, 0x0000,
+  0x8e40, 0x3d77,
+  0x8e41, 0x3d6c,
+  0x8e42, 0x3f59,
+  0x8e43, 0x3919,
+  0x8e44, 0x3e70,
+  0x8e45, 0x3752,
+  0x8e46, 0x38af,
+  0x8e47, 0x3786,
+  0x8e48, 0x3f1b,
+  0x8e49, 0x3d5c,
+  0x8e4a, 0x3f99,
+  0x8e4b, 0x3fe8,
+  0x8e4c, 0x388b,
+  0x8e4d, 0x38dc,
+  0x8e4e, 0x3faa,
+  0x8e4f, 0x42c8,
+  0x8e50, 0x3741,
+  0x8e51, 0x3d7f,
+  0x8e52, 0x42ec,
+  0x8e53, 0x3f93,
+  0x8e54, 0x389a,
+  0x8e55, 0x3879,
+  0x8e56, 0x373a,
+  0x8e57, 0x42d0,
+  0x8e58, 0x3e6f,
+  0x8e59, 0x3f18,
+  0x8e5a, 0x36e8,
+  0x8e5b, 0x3739,
+  0x8e5c, 0x3e99,
+  0x8e5d, 0x3b4c,
+  0x8e5e, 0x3dd2,
+  0x8e5f, 0x3fa9,
+  0x8e60, 0x3fac,
+  0x8e61, 0x3fcb,
+  0x8e62, 0x3733,
+  0x8e63, 0x3f9f,
+  0x8e64, 0x40da,
+  0x8e65, 0x3f29,
+  0x8e66, 0x3c66,
+  0x8e67, 0x4222,
+  0x8e68, 0x40ae,
+  0x8e69, 0x3d7a,
+  0x8e6a, 0x3f8d,
+  0x8e6b, 0x39d0,
+  0x8e6c, 0x4264,
+  0x8e6d, 0x3d82,
+  0x8e6e, 0x4203,
+  0x8e6f, 0x41db,
+  0x8e70, 0x3fde,
+  0x8e71, 0x3ff4,
+  0x8e72, 0x4004,
+  0x8e73, 0x3f66,
+  0x8e74, 0x3f9b,
+  0x8e75, 0x3d66,
+  0x8e76, 0x404b,
+  0x8e77, 0x3fdf,
+  0x8e78, 0x40fb,
+  0x8e79, 0x4012,
+  0x8e7a, 0x3fe6,
+  0x8e7b, 0x42eb,
+  0x8e7c, 0x4124,
+  0x8e7d, 0x3d7c,
+  0x8e7e, 0x3d69,
+  0x8ea1, 0x3ffe,
+  0x8ea2, 0x3d72,
+  0x8ea3, 0x3fc6,
+  0x8ea4, 0x3cfe,
+  0x8ea5, 0x43f9,
+  0x8ea6, 0x3d42,
+  0x8ea7, 0x3f15,
+  0x8ea8, 0x3fce,
+  0x8ea9, 0x428b,
+  0x8eaa, 0x40cf,
+  0x8eab, 0x43f6,
+  0x8eac, 0x4005,
+  0x8ead, 0x3f2d,
+  0x8eae, 0x4161,
+  0x8eaf, 0x3f2c,
+  0x8eb0, 0x3aca,
+  0x8eb1, 0x3d6a,
+  0x8eb2, 0x4063,
+  0x8eb3, 0x3fc5,
+  0x8eb4, 0x39e7,
+  0x8eb5, 0x3f2a,
+  0x8eb6, 0x4060,
+  0x8eb7, 0x4273,
+  0x8eb8, 0x4221,
+  0x8eb9, 0x40a2,
+  0x8eba, 0x3f68,
+  0x8ebb, 0x40a1,
+  0x8ebc, 0x3f57,
+  0x8ebd, 0x3f70,
+  0x8ebe, 0x3fb7,
+  0x8ebf, 0x3746,
+  0x8ec0, 0x3fab,
+  0x8ec1, 0x3ff2,
+  0x8ec2, 0x3f8c,
+  0x8ec3, 0x3f88,
+  0x8ec4, 0x37d3,
+  0x8ec5, 0x3b74,
+  0x8ec7, 0x42f4,
+  0x8ec8, 0x3c4c,
+  0x8ec9, 0x3b7a,
+  0x8eca, 0x3885,
+  0x8ecb, 0x3737,
+  0x8ecc, 0x3fdb,
+  0x8ecd, 0x3f1d,
+  0x8ece, 0x3fec,
+  0x8ecf, 0x3fe5,
+  0x8ed0, 0x375e,
+  0x8ed1, 0x3ff7,
+  0x8ed2, 0x3813,
+  0x8ed3, 0x3fe3,
+  0x8ed4, 0x3f1a,
+  0x8ed5, 0x38e6,
+  0x8ed6, 0x3fdc,
+  0x8ed7, 0x377f,
+  0x8ed8, 0x3d87,
+  0x8ed9, 0x3bd3,
+  0x8eda, 0x3d78,
+  0x8edb, 0x3bd4,
+  0x8edc, 0x3f96,
+  0x8edd, 0x3f95,
+  0x8ede, 0x3d8c,
+  0x8edf, 0x3937,
+  0x8ee0, 0x3f1c,
+  0x8ee1, 0x3932,
+  0x8ee2, 0x3d6b,
+  0x8ee3, 0x3800,
+  0x8ee4, 0x3ff8,
+  0x8ee5, 0x3c3a,
+  0x8ee6, 0x3f42,
+  0x8ee7, 0x43fd,
+  0x8ee8, 0x3fb1,
+  0x8ee9, 0x3792,
+  0x8eea, 0x3f94,
+  0x8eeb, 0x3f1e,
+  0x8eec, 0x400a,
+  0x8eed, 0x3882,
+  0x8eee, 0x3f9c,
+  0x8eef, 0x3d61,
+  0x8ef0, 0x3f22,
+  0x8ef1, 0x3fe9,
+  0x8ef2, 0x3d92,
+  0x8ef3, 0x377f,
+  0x8ef4, 0x3b94,
+  0x8ef5, 0x376e,
+  0x8ef6, 0x4301,
+  0x8ef7, 0x3f3a,
+  0x8ef8, 0x3863,
+  0x8ef9, 0x3ff1,
+  0x8efa, 0x42fe,
+  0x8efb, 0x3bfc,
+  0x8efc, 0x3f45,
+  0x8efd, 0x379f,
+  0x8efe, 0x376b,
+  0x8f40, 0x3f14,
+  0x8f41, 0x3f47,
+  0x8f42, 0x3862,
+  0x8f43, 0x3769,
+  0x8f44, 0x3c12,
+  0x8f45, 0x3f49,
+  0x8f46, 0x381f,
+  0x8f47, 0x3929,
+  0x8f48, 0x3f56,
+  0x8f49, 0x3f34,
+  0x8f4a, 0x3fdd,
+  0x8f4b, 0x38fa,
+  0x8f4c, 0x3f7b,
+  0x8f4d, 0x3c11,
+  0x8f4e, 0x3f7c,
+  0x8f4f, 0x43ff,
+  0x8f50, 0x3e73,
+  0x8f51, 0x3f71,
+  0x8f52, 0x3925,
+  0x8f53, 0x3c55,
+  0x8f54, 0x38b5,
+  0x8f55, 0x3f5a,
+  0x8f56, 0x3816,
+  0x8f57, 0x3e6d,
+  0x8f58, 0x3782,
+  0x8f59, 0x3f11,
+  0x8f5a, 0x3b8b,
+  0x8f5b, 0x37c0,
+  0x8f5c, 0x3815,
+  0x8f5d, 0x383b,
+  0x8f5e, 0x3d73,
+  0x8f5f, 0x3d6e,
+  0x8f60, 0x3f8a,
+  0x8f61, 0x3f3e,
+  0x8f62, 0x4234,
+  0x8f63, 0x41e3,
+  0x8f64, 0x3fc7,
+  0x8f65, 0x3ff3,
+  0x8f66, 0x4003,
+  0x8f67, 0x4032,
+  0x8f68, 0x3f6e,
+  0x8f69, 0x41a3,
+  0x8f6a, 0x4006,
+  0x8f6b, 0x3f2b,
+  0x8f6c, 0x3f7d,
+  0x8f6d, 0x3c73,
+  0x8f6e, 0x3f16,
+  0x8f6f, 0x4002,
+  0x8f70, 0x4056,
+  0x8f71, 0x3fba,
+  0x8f72, 0x3f6b,
+  0x8f73, 0x3f91,
+  0x8f74, 0x3fbe,
+  0x8f75, 0x405a,
+  0x8f76, 0x3adf,
+  0x8f77, 0x3e41,
+  0x8f78, 0x3d67,
+  0x8f79, 0x3f60,
+  0x8f7a, 0x41e8,
+  0x8f7b, 0x3fc0,
+  0x8f7c, 0x3d83,
+  0x8f7d, 0x4173,
+  0x8f7e, 0x3f5c,
+  0x8fa1, 0x3f32,
+  0x8fa2, 0x3f3f,
+  0x8fa3, 0x3d63,
+  0x8fa4, 0x4146,
+  0x8fa5, 0x3fcd,
+  0x8fa6, 0x3d79,
+  0x8fa7, 0x3f28,
+  0x8fa8, 0x3fc1,
+  0x8fa9, 0x40bc,
+  0x8faa, 0x3d71,
+  0x8fab, 0x3f37,
+  0x8fac, 0x42d8,
+  0x8fad, 0x3feb,
+  0x8fae, 0x4241,
+  0x8faf, 0x3a30,
+  0x8fb0, 0x39cd,
+  0x8fb1, 0x42bf,
+  0x8fb2, 0x420e,
+  0x8fb3, 0x3f0a,
+  0x8fb4, 0x39cc,
+  0x8fb5, 0x4044,
+  0x8fb6, 0x4098,
+  0x8fb7, 0x418c,
+  0x8fb8, 0x3d64,
+  0x8fb9, 0x3f44,
+  0x8fba, 0x404f,
+  0x8fbb, 0x42d5,
+  0x8fbc, 0x4290,
+  0x8fbd, 0x4000,
+  0x8fbe, 0x3a89,
+  0x8fbf, 0x416c,
+  0x8fc0, 0x40c4,
+  0x8fc1, 0x404d,
+  0x8fc2, 0x3dc0,
+  0x8fc3, 0x3f50,
+  0x8fc4, 0x4009,
+  0x8fc5, 0x3faf,
+  0x8fc6, 0x3f86,
+  0x8fc7, 0x4093,
+  0x8fc8, 0x3aad,
+  0x8fc9, 0x3f38,
+  0x8fca, 0x3d75,
+  0x8fcb, 0x3f39,
+  0x8fcc, 0x42cd,
+  0x8fcd, 0x3f78,
+  0x8fce, 0x3f9d,
+  0x8fcf, 0x4090,
+  0x8fd0, 0x3d80,
+  0x8fd1, 0x3f2e,
+  0x8fd2, 0x38b6,
+  0x8fd3, 0x41b9,
+  0x8fd4, 0x3d8a,
+  0x8fd5, 0x3f24,
+  0x8fd6, 0x3a9e,
+  0x8fd7, 0x3adc,
+  0x8fd8, 0x3d65,
+  0x8fd9, 0x4085,
+  0x8fda, 0x3f51,
+  0x8fdb, 0x43fa,
+  0x8fdc, 0x3f63,
+  0x8fdd, 0x4178,
+  0x8fde, 0x41b7,
+  0x8fdf, 0x3e72,
+  0x8fe0, 0x41d9,
+  0x8fe1, 0x418e,
+  0x8fe2, 0x3d76,
+  0x8fe3, 0x42d4,
+  0x8fe4, 0x42a2,
+  0x8fe5, 0x4257,
+  0x8fe6, 0x3f0c,
+  0x8fe7, 0x3996,
+  0x8fe8, 0x4255,
+  0x8fe9, 0x40b7,
+  0x8fea, 0x3f9a,
+  0x8feb, 0x3fca,
+  0x8fec, 0x3f5e,
+  0x8fed, 0x3d85,
+  0x8fee, 0x3ffa,
+  0x8fef, 0x3fb6,
+  0x8ff0, 0x3ac3,
+  0x8ff1, 0x3fc8,
+  0x8ff2, 0x3f4b,
+  0x8ff3, 0x40f1,
+  0x8ff4, 0x4034,
+  0x8ff5, 0x3f5b,
+  0x8ff6, 0x42c9,
+  0x8ff7, 0x3c75,
+  0x8ff8, 0x3f79,
+  0x8ff9, 0x42c6,
+  0x8ffa, 0x38cf,
+  0x8ffb, 0x41f4,
+  0x8ffc, 0x3f41,
+  0x8ffd, 0x390b,
+  0x8ffe, 0x38e0,
+  0x9040, 0x427d,
+  0x9041, 0x42f0,
+  0x9042, 0x3f27,
+  0x9043, 0x3822,
+  0x9044, 0x37d8,
+  0x9045, 0x37a2,
+  0x9046, 0x3f73,
+  0x9047, 0x42b8,
+  0x9048, 0x3f19,
+  0x9049, 0x42b7,
+  0x904a, 0x3d8b,
+  0x904b, 0x4129,
+  0x904c, 0x40d4,
+  0x904d, 0x38f5,
+  0x904e, 0x4143,
+  0x904f, 0x4022,
+  0x9050, 0x41d0,
+  0x9051, 0x41f5,
+  0x9052, 0x3f43,
+  0x9053, 0x40c8,
+  0x9054, 0x4096,
+  0x9055, 0x405d,
+  0x9056, 0x4174,
+  0x9057, 0x413e,
+  0x9058, 0x413b,
+  0x9059, 0x39c4,
+  0x905a, 0x3d89,
+  0x905b, 0x4205,
+  0x905c, 0x36eb,
+  0x905d, 0x39c5,
+  0x905e, 0x3d84,
+  0x905f, 0x4054,
+  0x9060, 0x193f,
+  0x9061, 0x0619,
+  0x9062, 0x0871,
+  0x9063, 0x115f,
+  0x9064, 0x3f53,
+  0x9065, 0x3f1f,
+  0x9066, 0x339d,
+  0x9067, 0x3fb8,
+  0x9068, 0x3b3f,
+  0x9069, 0x3f52,
+  0x906a, 0x3761,
+  0x906b, 0x375c,
+  0x906c, 0x3fd9,
+  0x906d, 0x3fd7,
+  0x906e, 0x3fd6,
+  0x906f, 0x3e93,
+  0x9070, 0x3774,
+  0x9071, 0x377b,
+  0x9072, 0x3b4f,
+  0x9073, 0x4007,
+  0x9074, 0x3fe2,
+  0x9075, 0x3e79,
+  0x9076, 0x3e76,
+  0x9077, 0x3fe7,
+  0x9078, 0x0d2a,
+  0x9079, 0x3fee,
+  0x907a, 0x3fe1,
+  0x907b, 0x3e77,
+  0x907c, 0x3fa3,
+  0x907d, 0x3f54,
+  0x907e, 0x37bc,
+  0x90a1, 0x3e7a,
+  0x90a2, 0x3fa1,
+  0x90a3, 0x37c1,
+  0x90a4, 0x3ff5,
+  0x90a5, 0x3f9e,
+  0x90a6, 0x3b7f,
+  0x90a7, 0x380b,
+  0x90a8, 0x3fef,
+  0x90a9, 0x3ffc,
+  0x90aa, 0x380d,
+  0x90ab, 0x3fed,
+  0x90ac, 0x3fe4,
+  0x90ad, 0x3811,
+  0x90ae, 0x3f7a,
+  0x90af, 0x3fa2,
+  0x90b0, 0x3b8e,
+  0x90b1, 0x381c,
+  0x90b2, 0x3fa0,
+  0x90b3, 0x3fe0,
+  0x90b4, 0x3d93,
+  0x90b5, 0x3827,
+  0x90b6, 0x3ff0,
+  0x90b7, 0x3fa5,
+  0x90b8, 0x3836,
+  0x90b9, 0x3d8d,
+  0x90ba, 0x3f69,
+  0x90bb, 0x3f82,
+  0x90bc, 0x3f85,
+  0x90bd, 0x3f83,
+  0x90be, 0x3f89,
+  0x90bf, 0x3f7f,
+  0x90c0, 0x3bb5,
+  0x90c1, 0x3f87,
+  0x90c2, 0x3f31,
+  0x90c3, 0x3d94,
+  0x90c4, 0x0230,
+  0x90c5, 0x43fe,
+  0x90c6, 0x3f10,
+  0x90c7, 0x387e,
+  0x90c8, 0x43eb,
+  0x90c9, 0x3f6f,
+  0x90ca, 0x3e9b,
+  0x90cb, 0x3f4e,
+  0x90cc, 0x3bc8,
+  0x90cd, 0x1e29,
+  0x90ce, 0x3f48,
+  0x90cf, 0x382e,
+  0x90d0, 0x3c60,
+  0x90d1, 0x2a9f,
+  0x90d2, 0x3893,
+  0x90d3, 0x43f7,
+  0x90d4, 0x3e74,
+  0x90d5, 0x3bcd,
+  0x90d6, 0x3ac9,
+  0x90d7, 0x3fcc,
+  0x90d8, 0x3fd1,
+  0x90d9, 0x3f3d,
+  0x90da, 0x3f4a,
+  0x90db, 0x38ad,
+  0x90dc, 0x2352,
+  0x90dd, 0x3f46,
+  0x90de, 0x38b2,
+  0x90df, 0x3fb3,
+  0x90e0, 0x3f0d,
+  0x90e1, 0x38c0,
+  0x90e2, 0x3e2f,
+  0x90e3, 0x38d5,
+  0x90e4, 0x3f35,
+  0x90e5, 0x38d7,
+  0x90e6, 0x3f2f,
+  0x90e7, 0x3f33,
+  0x90e8, 0x3d95,
+  0x90e9, 0x3c02,
+  0x90ea, 0x3f72,
+  0x90eb, 0x3d96,
+  0x90ec, 0x38e7,
+  0x90ed, 0x4035,
+  0x90ee, 0x3c0b,
+  0x90ef, 0x38f0,
+  0x90f0, 0x38f7,
+  0x90f1, 0x3fb9,
+  0x90f2, 0x3900,
+  0x90f3, 0x3f74,
+  0x90f4, 0x3909,
+  0x90f5, 0x3f12,
+  0x90f6, 0x3f17,
+  0x90f7, 0x3f20,
+  0x90f8, 0x3fbb,
+  0x90f9, 0x3f3c,
+  0x90fa, 0x3fb4,
+  0x90fb, 0x3fad,
+  0x90fc, 0x391a,
+  0x90fd, 0x391c,
+  0x90fe, 0x391b,
+  0x9140, 0x3c39,
+  0x9141, 0x3e71,
+  0x9142, 0x3d7e,
+  0x9143, 0x3f3b,
+  0x9144, 0x3f30,
+  0x9145, 0x3f84,
+  0x9146, 0x43f8,
+  0x9147, 0x3f0f,
+  0x9148, 0x3f76,
+  0x9149, 0x3933,
+  0x914a, 0x3f75,
+  0x914b, 0x3940,
+  0x914c, 0x3f21,
+  0x914d, 0x3f90,
+  0x914e, 0x394a,
+  0x914f, 0x3f80,
+  0x9150, 0x3f23,
+  0x9151, 0x3950,
+  0x9152, 0x3d97,
+  0x9153, 0x2e45,
+  0x9154, 0x0570,
+  0x9155, 0x3ead,
+  0x9156, 0x3522,
+  0x9157, 0x0be3,
+  0x9158, 0x0595,
+  0x9159, 0x0228,
+  0x915a, 0x0a95,
+  0x915b, 0x12b0,
+  0x915c, 0x091a,
+  0x915d, 0x43fc,
+  0x915e, 0x3f92,
+  0x915f, 0x3fae,
+  0x9160, 0x07c2,
+  0x9161, 0x0955,
+  0x9162, 0x3785,
+  0x9163, 0x3e6e,
+  0x9164, 0x3d6d,
+  0x9165, 0x3f62,
+  0x9166, 0x39c8,
+  0x9167, 0x3f65,
+  0x9168, 0x393d,
+  0x9169, 0x3f26,
+  0x916a, 0x406d,
+  0x916b, 0x3fd0,
+  0x916c, 0x3f36,
+  0x916d, 0x4086,
+  0x916e, 0x3952,
+  0x916f, 0x3fd2,
+  0x9170, 0x3858,
+  0x9171, 0x3ffb,
+  0x9172, 0x3f67,
+  0x9173, 0x3e81,
+  0x9174, 0x3fc9,
+  0x9175, 0x3fb5,
+  0x9176, 0x3e7c,
+  0x9177, 0x3e75,
+  0x9178, 0x3c77,
+  0x9179, 0x3b2e,
+  0x917a, 0x3f4d,
+  0x917b, 0x43af,
+  0x917c, 0x3e67,
+  0x917d, 0x40bd,
+  0x917e, 0x3f6c,
+  0x91a1, 0x39a6,
+  0x91a2, 0x3948,
+  0x91a3, 0x3fbf,
+  0x91a4, 0x3f5f,
+  0x91a5, 0x3a05,
+  0x91a6, 0x06f5,
+  0x91a7, 0x40f8,
+  0x91a8, 0x41ad,
+  0x91a9, 0x3f0e,
+  0x91aa, 0x4122,
+  0x91ab, 0x3f13,
+  0x91ac, 0x3f0b,
+  0x91ad, 0x4135,
+  0x91ae, 0x3a2b,
+  0x91af, 0x4138,
+  0x91b0, 0x0226,
+  0x91b1, 0x4149,
+  0x91b2, 0x3ba5,
+  0x91b3, 0x4001,
+  0x91b4, 0x3fbd,
+  0x91b5, 0x3fa8,
+  0x91b6, 0x4186,
+  0x91b7, 0x3a54,
+  0x91b8, 0x3fc2,
+  0x91b9, 0x4192,
+  0x91ba, 0x4187,
+  0x91bb, 0x3384,
+  0x91bc, 0x3fc4,
+  0x91bd, 0x3d99,
+  0x91be, 0x3aaa,
+  0x91bf, 0x41de,
+  0x91c1, 0x3ff6,
+  0x91c2, 0x3f5d,
+  0x91c3, 0x41c7,
+  0x91c4, 0x3d91,
+  0x91c5, 0x3d74,
+  0x91c6, 0x3f4c,
+  0x91c7, 0x41f2,
+  0x91c8, 0x3aa5,
+  0x91c9, 0x3b4b,
+  0x91ca, 0x3d86,
+  0x91cb, 0x41f8,
+  0x91cc, 0x4240,
+  0x91cd, 0x3ffd,
+  0x91ce, 0x3fa7,
+  0x91cf, 0x4259,
+  0x91d0, 0x0e72,
+  0x91d1, 0x4262,
+  0x91d2, 0x3c7e,
+  0x91d3, 0x3938,
+  0x91d4, 0x4233,
+  0x91d5, 0x295a,
+  0x91d7, 0x3f97,
+  0x91d8, 0x3fb2,
+  0x91d9, 0x428a,
+  0x91da, 0x3f98,
+  0x91db, 0x1f94,
+  0x91dc, 0x3f40,
+  0x91dd, 0x3f4f,
+  0x91de, 0x3f8f,
+  0x91df, 0x3d6f,
+  0x91e0, 0x42df,
+  0x91e1, 0x3f55,
+  0x91e2, 0x3fd3,
+  0x91e3, 0x42ee,
+  0x91e4, 0x3fcf,
+  0x91e5, 0x3fd4,
+  0x91e6, 0x3e7d,
+  0x91e7, 0x4307,
+  0x91e8, 0x43fb,
+  0x91e9, 0x3fda,
+  0x91ea, 0x0d0a,
+  0x91eb, 0x3f77,
+  0x91ec, 0x3dbf,
+  0x91ed, 0x402c,
+  0x91ee, 0x3fa4,
+  0x91ef, 0x3d6f,
+  0x91f0, 0x3ccd,
+  0x91f1, 0x3f64,
+  0x91f2, 0x3f8b,
+  0x91f3, 0x386f,
+  0x91f4, 0x1971,
+  0x91f5, 0x1c9b,
+  0x91f6, 0x0745,
+  0x91f7, 0x1d75,
+  0x91f8, 0x3888,
+  0x91f9, 0x3742,
+  0x91fa, 0x2b40,
+  0x91fb, 0x36e9,
+  0x91fc, 0x37e0,
+  0x91fd, 0x3e16,
+  0x91fe, 0x387c,
+  0x9240, 0x37aa,
+  0x9241, 0x3f8e,
+  0x9242, 0x40dc,
+  0x9243, 0x3c7a,
+  0x9244, 0x3fa6,
+  0x9245, 0x405f,
+  0x9246, 0x3c26,
+  0x9247, 0x385e,
+  0x9248, 0x3f25,
+  0x9249, 0x4048,
+  0x924a, 0x3d81,
+  0x924b, 0x390e,
+  0x924c, 0x4084,
+  0x924d, 0x4118,
+  0x924e, 0x4157,
+  0x924f, 0x3902,
+  0x9250, 0x389f,
+  0x9251, 0x3ff9,
+  0x9252, 0x3823,
+  0x9253, 0x3871,
+  0x9254, 0x36ea,
+  0x9255, 0x376c,
+  0x9256, 0x3740,
+  0x9257, 0x37f4,
+  0x9258, 0x42e0,
+  0x9259, 0x425b,
+  0x925a, 0x36ed,
+  0x925b, 0x3b14,
+  0x925c, 0x42c5,
+  0x925d, 0x408b,
+  0x925e, 0x38a5,
+  0x925f, 0x416a,
+  0x9260, 0x419d,
+  0x9261, 0x4144,
+  0x9262, 0x424f,
+  0x9263, 0x3f61,
+  0x9264, 0x3fd8,
+  0x9265, 0x061c,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKdlbB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKdlbB5HMap2, 908
+};
+
+static Gushort cns13HKdlbB5VMap2[1840] = {
+  0x0000, 0x0000,
+  0x8e40, 0x3d77,
+  0x8e41, 0x3d6c,
+  0x8e42, 0x3f59,
+  0x8e43, 0x3919,
+  0x8e44, 0x3e70,
+  0x8e45, 0x3752,
+  0x8e46, 0x38af,
+  0x8e47, 0x3786,
+  0x8e48, 0x3f1b,
+  0x8e49, 0x3d5c,
+  0x8e4a, 0x3f99,
+  0x8e4b, 0x3fe8,
+  0x8e4c, 0x388b,
+  0x8e4d, 0x38dc,
+  0x8e4e, 0x3faa,
+  0x8e4f, 0x42c8,
+  0x8e50, 0x3741,
+  0x8e51, 0x3d7f,
+  0x8e52, 0x42ec,
+  0x8e53, 0x3f93,
+  0x8e54, 0x389a,
+  0x8e55, 0x3879,
+  0x8e56, 0x373a,
+  0x8e57, 0x42d0,
+  0x8e58, 0x3e6f,
+  0x8e59, 0x3f18,
+  0x8e5a, 0x36e8,
+  0x8e5b, 0x3739,
+  0x8e5c, 0x3e99,
+  0x8e5d, 0x3b4c,
+  0x8e5e, 0x3dd2,
+  0x8e5f, 0x3fa9,
+  0x8e60, 0x3fac,
+  0x8e61, 0x3fcb,
+  0x8e62, 0x3733,
+  0x8e63, 0x3f9f,
+  0x8e64, 0x40da,
+  0x8e65, 0x3f29,
+  0x8e66, 0x3c66,
+  0x8e67, 0x4222,
+  0x8e68, 0x40ae,
+  0x8e69, 0x3d7a,
+  0x8e6a, 0x3f8d,
+  0x8e6b, 0x39d0,
+  0x8e6c, 0x4264,
+  0x8e6d, 0x3d82,
+  0x8e6e, 0x4203,
+  0x8e6f, 0x41db,
+  0x8e70, 0x3fde,
+  0x8e71, 0x3ff4,
+  0x8e72, 0x4004,
+  0x8e73, 0x3f66,
+  0x8e74, 0x3f9b,
+  0x8e75, 0x3d66,
+  0x8e76, 0x404b,
+  0x8e77, 0x3fdf,
+  0x8e78, 0x40fb,
+  0x8e79, 0x4012,
+  0x8e7a, 0x3fe6,
+  0x8e7b, 0x42eb,
+  0x8e7c, 0x4124,
+  0x8e7d, 0x3d7c,
+  0x8e7e, 0x3d69,
+  0x8ea1, 0x3ffe,
+  0x8ea2, 0x3d72,
+  0x8ea3, 0x3fc6,
+  0x8ea4, 0x3cfe,
+  0x8ea5, 0x43f9,
+  0x8ea6, 0x3d42,
+  0x8ea7, 0x3f15,
+  0x8ea8, 0x3fce,
+  0x8ea9, 0x428b,
+  0x8eaa, 0x40cf,
+  0x8eab, 0x43f6,
+  0x8eac, 0x4005,
+  0x8ead, 0x3f2d,
+  0x8eae, 0x4161,
+  0x8eaf, 0x3f2c,
+  0x8eb0, 0x3aca,
+  0x8eb1, 0x3d6a,
+  0x8eb2, 0x4063,
+  0x8eb3, 0x3fc5,
+  0x8eb4, 0x39e7,
+  0x8eb5, 0x3f2a,
+  0x8eb6, 0x4060,
+  0x8eb7, 0x4273,
+  0x8eb8, 0x4221,
+  0x8eb9, 0x40a2,
+  0x8eba, 0x3f68,
+  0x8ebb, 0x40a1,
+  0x8ebc, 0x3f57,
+  0x8ebd, 0x3f70,
+  0x8ebe, 0x3fb7,
+  0x8ebf, 0x3746,
+  0x8ec0, 0x3fab,
+  0x8ec1, 0x3ff2,
+  0x8ec2, 0x3f8c,
+  0x8ec3, 0x3f88,
+  0x8ec4, 0x37d3,
+  0x8ec5, 0x3b74,
+  0x8ec7, 0x42f4,
+  0x8ec8, 0x3c4c,
+  0x8ec9, 0x3b7a,
+  0x8eca, 0x3885,
+  0x8ecb, 0x3737,
+  0x8ecc, 0x3fdb,
+  0x8ecd, 0x3f1d,
+  0x8ece, 0x3fec,
+  0x8ecf, 0x3fe5,
+  0x8ed0, 0x375e,
+  0x8ed1, 0x3ff7,
+  0x8ed2, 0x3813,
+  0x8ed3, 0x3fe3,
+  0x8ed4, 0x3f1a,
+  0x8ed5, 0x38e6,
+  0x8ed6, 0x3fdc,
+  0x8ed7, 0x377f,
+  0x8ed8, 0x3d87,
+  0x8ed9, 0x3bd3,
+  0x8eda, 0x3d78,
+  0x8edb, 0x3bd4,
+  0x8edc, 0x3f96,
+  0x8edd, 0x3f95,
+  0x8ede, 0x3d8c,
+  0x8edf, 0x3937,
+  0x8ee0, 0x3f1c,
+  0x8ee1, 0x3932,
+  0x8ee2, 0x3d6b,
+  0x8ee3, 0x3800,
+  0x8ee4, 0x3ff8,
+  0x8ee5, 0x3c3a,
+  0x8ee6, 0x3f42,
+  0x8ee7, 0x43fd,
+  0x8ee8, 0x3fb1,
+  0x8ee9, 0x3792,
+  0x8eea, 0x3f94,
+  0x8eeb, 0x3f1e,
+  0x8eec, 0x400a,
+  0x8eed, 0x3882,
+  0x8eee, 0x3f9c,
+  0x8eef, 0x3d61,
+  0x8ef0, 0x3f22,
+  0x8ef1, 0x3fe9,
+  0x8ef2, 0x3d92,
+  0x8ef3, 0x377f,
+  0x8ef4, 0x3b94,
+  0x8ef5, 0x376e,
+  0x8ef6, 0x4301,
+  0x8ef7, 0x3f3a,
+  0x8ef8, 0x3863,
+  0x8ef9, 0x3ff1,
+  0x8efa, 0x42fe,
+  0x8efb, 0x3bfc,
+  0x8efc, 0x3f45,
+  0x8efd, 0x379f,
+  0x8efe, 0x376b,
+  0x8f40, 0x3f14,
+  0x8f41, 0x3f47,
+  0x8f42, 0x3862,
+  0x8f43, 0x3769,
+  0x8f44, 0x3c12,
+  0x8f45, 0x3f49,
+  0x8f46, 0x381f,
+  0x8f47, 0x3929,
+  0x8f48, 0x3f56,
+  0x8f49, 0x3f34,
+  0x8f4a, 0x3fdd,
+  0x8f4b, 0x38fa,
+  0x8f4c, 0x3f7b,
+  0x8f4d, 0x3c11,
+  0x8f4e, 0x3f7c,
+  0x8f4f, 0x43ff,
+  0x8f50, 0x3e73,
+  0x8f51, 0x3f71,
+  0x8f52, 0x3925,
+  0x8f53, 0x3c55,
+  0x8f54, 0x38b5,
+  0x8f55, 0x3f5a,
+  0x8f56, 0x3816,
+  0x8f57, 0x3e6d,
+  0x8f58, 0x3782,
+  0x8f59, 0x3f11,
+  0x8f5a, 0x3b8b,
+  0x8f5b, 0x37c0,
+  0x8f5c, 0x3815,
+  0x8f5d, 0x383b,
+  0x8f5e, 0x3d73,
+  0x8f5f, 0x3d6e,
+  0x8f60, 0x3f8a,
+  0x8f61, 0x3f3e,
+  0x8f62, 0x4234,
+  0x8f63, 0x41e3,
+  0x8f64, 0x3fc7,
+  0x8f65, 0x3ff3,
+  0x8f66, 0x4003,
+  0x8f67, 0x4032,
+  0x8f68, 0x3f6e,
+  0x8f69, 0x41a3,
+  0x8f6a, 0x4006,
+  0x8f6b, 0x3f2b,
+  0x8f6c, 0x3f7d,
+  0x8f6d, 0x3c73,
+  0x8f6e, 0x3f16,
+  0x8f6f, 0x4002,
+  0x8f70, 0x4056,
+  0x8f71, 0x3fba,
+  0x8f72, 0x3f6b,
+  0x8f73, 0x3f91,
+  0x8f74, 0x3fbe,
+  0x8f75, 0x405a,
+  0x8f76, 0x3adf,
+  0x8f77, 0x3e41,
+  0x8f78, 0x3d67,
+  0x8f79, 0x3f60,
+  0x8f7a, 0x41e8,
+  0x8f7b, 0x3fc0,
+  0x8f7c, 0x3d83,
+  0x8f7d, 0x4173,
+  0x8f7e, 0x3f5c,
+  0x8fa1, 0x3f32,
+  0x8fa2, 0x3f3f,
+  0x8fa3, 0x3d63,
+  0x8fa4, 0x4146,
+  0x8fa5, 0x3fcd,
+  0x8fa6, 0x3d79,
+  0x8fa7, 0x3f28,
+  0x8fa8, 0x3fc1,
+  0x8fa9, 0x40bc,
+  0x8faa, 0x3d71,
+  0x8fab, 0x3f37,
+  0x8fac, 0x42d8,
+  0x8fad, 0x3feb,
+  0x8fae, 0x4241,
+  0x8faf, 0x3a30,
+  0x8fb0, 0x39cd,
+  0x8fb1, 0x42bf,
+  0x8fb2, 0x420e,
+  0x8fb3, 0x3f0a,
+  0x8fb4, 0x39cc,
+  0x8fb5, 0x4044,
+  0x8fb6, 0x4098,
+  0x8fb7, 0x418c,
+  0x8fb8, 0x3d64,
+  0x8fb9, 0x3f44,
+  0x8fba, 0x404f,
+  0x8fbb, 0x42d5,
+  0x8fbc, 0x4290,
+  0x8fbd, 0x4000,
+  0x8fbe, 0x3a89,
+  0x8fbf, 0x416c,
+  0x8fc0, 0x40c4,
+  0x8fc1, 0x404d,
+  0x8fc2, 0x3dc0,
+  0x8fc3, 0x3f50,
+  0x8fc4, 0x4009,
+  0x8fc5, 0x3faf,
+  0x8fc6, 0x3f86,
+  0x8fc7, 0x4093,
+  0x8fc8, 0x3aad,
+  0x8fc9, 0x3f38,
+  0x8fca, 0x3d75,
+  0x8fcb, 0x3f39,
+  0x8fcc, 0x42cd,
+  0x8fcd, 0x3f78,
+  0x8fce, 0x3f9d,
+  0x8fcf, 0x4090,
+  0x8fd0, 0x3d80,
+  0x8fd1, 0x3f2e,
+  0x8fd2, 0x38b6,
+  0x8fd3, 0x41b9,
+  0x8fd4, 0x3d8a,
+  0x8fd5, 0x3f24,
+  0x8fd6, 0x3a9e,
+  0x8fd7, 0x3adc,
+  0x8fd8, 0x3d65,
+  0x8fd9, 0x4085,
+  0x8fda, 0x3f51,
+  0x8fdb, 0x43fa,
+  0x8fdc, 0x3f63,
+  0x8fdd, 0x4178,
+  0x8fde, 0x41b7,
+  0x8fdf, 0x3e72,
+  0x8fe0, 0x41d9,
+  0x8fe1, 0x418e,
+  0x8fe2, 0x3d76,
+  0x8fe3, 0x42d4,
+  0x8fe4, 0x42a2,
+  0x8fe5, 0x4257,
+  0x8fe6, 0x3f0c,
+  0x8fe7, 0x3996,
+  0x8fe8, 0x4255,
+  0x8fe9, 0x40b7,
+  0x8fea, 0x3f9a,
+  0x8feb, 0x3fca,
+  0x8fec, 0x3f5e,
+  0x8fed, 0x3d85,
+  0x8fee, 0x3ffa,
+  0x8fef, 0x3fb6,
+  0x8ff0, 0x3ac3,
+  0x8ff1, 0x3fc8,
+  0x8ff2, 0x3f4b,
+  0x8ff3, 0x40f1,
+  0x8ff4, 0x4034,
+  0x8ff5, 0x3f5b,
+  0x8ff6, 0x42c9,
+  0x8ff7, 0x3c75,
+  0x8ff8, 0x3f79,
+  0x8ff9, 0x42c6,
+  0x8ffa, 0x38cf,
+  0x8ffb, 0x41f4,
+  0x8ffc, 0x3f41,
+  0x8ffd, 0x390b,
+  0x8ffe, 0x38e0,
+  0x9040, 0x427d,
+  0x9041, 0x42f0,
+  0x9042, 0x3f27,
+  0x9043, 0x3822,
+  0x9044, 0x37d8,
+  0x9045, 0x37a2,
+  0x9046, 0x3f73,
+  0x9047, 0x42b8,
+  0x9048, 0x3f19,
+  0x9049, 0x42b7,
+  0x904a, 0x3d8b,
+  0x904b, 0x4129,
+  0x904c, 0x40d4,
+  0x904d, 0x38f5,
+  0x904e, 0x4143,
+  0x904f, 0x4022,
+  0x9050, 0x41d0,
+  0x9051, 0x41f5,
+  0x9052, 0x3f43,
+  0x9053, 0x40c8,
+  0x9054, 0x4096,
+  0x9055, 0x405d,
+  0x9056, 0x4174,
+  0x9057, 0x413e,
+  0x9058, 0x413b,
+  0x9059, 0x39c4,
+  0x905a, 0x3d89,
+  0x905b, 0x4205,
+  0x905c, 0x36eb,
+  0x905d, 0x39c5,
+  0x905e, 0x3d84,
+  0x905f, 0x4054,
+  0x9060, 0x193f,
+  0x9061, 0x0619,
+  0x9062, 0x0871,
+  0x9063, 0x115f,
+  0x9064, 0x3f53,
+  0x9065, 0x3f1f,
+  0x9066, 0x339d,
+  0x9067, 0x3fb8,
+  0x9068, 0x3b3f,
+  0x9069, 0x3f52,
+  0x906a, 0x3761,
+  0x906b, 0x375c,
+  0x906c, 0x3fd9,
+  0x906d, 0x3fd7,
+  0x906e, 0x3fd6,
+  0x906f, 0x3e93,
+  0x9070, 0x3774,
+  0x9071, 0x377b,
+  0x9072, 0x3b4f,
+  0x9073, 0x4007,
+  0x9074, 0x3fe2,
+  0x9075, 0x3e79,
+  0x9076, 0x3e76,
+  0x9077, 0x3fe7,
+  0x9078, 0x0d2a,
+  0x9079, 0x3fee,
+  0x907a, 0x3fe1,
+  0x907b, 0x3e77,
+  0x907c, 0x3fa3,
+  0x907d, 0x3f54,
+  0x907e, 0x37bc,
+  0x90a1, 0x3e7a,
+  0x90a2, 0x3fa1,
+  0x90a3, 0x37c1,
+  0x90a4, 0x3ff5,
+  0x90a5, 0x3f9e,
+  0x90a6, 0x3b7f,
+  0x90a7, 0x380b,
+  0x90a8, 0x3fef,
+  0x90a9, 0x3ffc,
+  0x90aa, 0x380d,
+  0x90ab, 0x3fed,
+  0x90ac, 0x3fe4,
+  0x90ad, 0x3811,
+  0x90ae, 0x3f7a,
+  0x90af, 0x3fa2,
+  0x90b0, 0x3b8e,
+  0x90b1, 0x381c,
+  0x90b2, 0x3fa0,
+  0x90b3, 0x3fe0,
+  0x90b4, 0x3d93,
+  0x90b5, 0x3827,
+  0x90b6, 0x3ff0,
+  0x90b7, 0x3fa5,
+  0x90b8, 0x3836,
+  0x90b9, 0x3d8d,
+  0x90ba, 0x3f69,
+  0x90bb, 0x3f82,
+  0x90bc, 0x3f85,
+  0x90bd, 0x3f83,
+  0x90be, 0x3f89,
+  0x90bf, 0x3f7f,
+  0x90c0, 0x3bb5,
+  0x90c1, 0x3f87,
+  0x90c2, 0x3f31,
+  0x90c3, 0x3d94,
+  0x90c4, 0x0230,
+  0x90c5, 0x43fe,
+  0x90c6, 0x3f10,
+  0x90c7, 0x387e,
+  0x90c8, 0x43eb,
+  0x90c9, 0x3f6f,
+  0x90ca, 0x3e9b,
+  0x90cb, 0x3f4e,
+  0x90cc, 0x3bc8,
+  0x90cd, 0x1e29,
+  0x90ce, 0x3f48,
+  0x90cf, 0x382e,
+  0x90d0, 0x3c60,
+  0x90d1, 0x2a9f,
+  0x90d2, 0x3893,
+  0x90d3, 0x43f7,
+  0x90d4, 0x3e74,
+  0x90d5, 0x3bcd,
+  0x90d6, 0x3ac9,
+  0x90d7, 0x3fcc,
+  0x90d8, 0x3fd1,
+  0x90d9, 0x3f3d,
+  0x90da, 0x3f4a,
+  0x90db, 0x38ad,
+  0x90dc, 0x2352,
+  0x90dd, 0x3f46,
+  0x90de, 0x38b2,
+  0x90df, 0x3fb3,
+  0x90e0, 0x3f0d,
+  0x90e1, 0x38c0,
+  0x90e2, 0x3e2f,
+  0x90e3, 0x38d5,
+  0x90e4, 0x3f35,
+  0x90e5, 0x38d7,
+  0x90e6, 0x3f2f,
+  0x90e7, 0x3f33,
+  0x90e8, 0x3d95,
+  0x90e9, 0x3c02,
+  0x90ea, 0x3f72,
+  0x90eb, 0x3d96,
+  0x90ec, 0x38e7,
+  0x90ed, 0x4035,
+  0x90ee, 0x3c0b,
+  0x90ef, 0x38f0,
+  0x90f0, 0x38f7,
+  0x90f1, 0x3fb9,
+  0x90f2, 0x3900,
+  0x90f3, 0x3f74,
+  0x90f4, 0x3909,
+  0x90f5, 0x3f12,
+  0x90f6, 0x3f17,
+  0x90f7, 0x3f20,
+  0x90f8, 0x3fbb,
+  0x90f9, 0x3f3c,
+  0x90fa, 0x3fb4,
+  0x90fb, 0x3fad,
+  0x90fc, 0x391a,
+  0x90fd, 0x391c,
+  0x90fe, 0x391b,
+  0x9140, 0x3c39,
+  0x9141, 0x3e71,
+  0x9142, 0x3d7e,
+  0x9143, 0x3f3b,
+  0x9144, 0x3f30,
+  0x9145, 0x3f84,
+  0x9146, 0x43f8,
+  0x9147, 0x3f0f,
+  0x9148, 0x3f76,
+  0x9149, 0x3933,
+  0x914a, 0x3f75,
+  0x914b, 0x3940,
+  0x914c, 0x3f21,
+  0x914d, 0x3f90,
+  0x914e, 0x394a,
+  0x914f, 0x3f80,
+  0x9150, 0x3f23,
+  0x9151, 0x3950,
+  0x9152, 0x3d97,
+  0x9153, 0x2e45,
+  0x9154, 0x0570,
+  0x9155, 0x3ead,
+  0x9156, 0x3522,
+  0x9157, 0x0be3,
+  0x9158, 0x0595,
+  0x9159, 0x0228,
+  0x915a, 0x0a95,
+  0x915b, 0x12b0,
+  0x915c, 0x091a,
+  0x915d, 0x43fc,
+  0x915e, 0x3f92,
+  0x915f, 0x3fae,
+  0x9160, 0x07c2,
+  0x9161, 0x0955,
+  0x9162, 0x3785,
+  0x9163, 0x3e6e,
+  0x9164, 0x3d6d,
+  0x9165, 0x3f62,
+  0x9166, 0x39c8,
+  0x9167, 0x3f65,
+  0x9168, 0x393d,
+  0x9169, 0x3f26,
+  0x916a, 0x406d,
+  0x916b, 0x3fd0,
+  0x916c, 0x3f36,
+  0x916d, 0x4086,
+  0x916e, 0x3952,
+  0x916f, 0x3fd2,
+  0x9170, 0x3858,
+  0x9171, 0x3ffb,
+  0x9172, 0x3f67,
+  0x9173, 0x3e81,
+  0x9174, 0x3fc9,
+  0x9175, 0x3fb5,
+  0x9176, 0x3e7c,
+  0x9177, 0x3e75,
+  0x9178, 0x3c77,
+  0x9179, 0x3b2e,
+  0x917a, 0x3f4d,
+  0x917b, 0x43af,
+  0x917c, 0x3e67,
+  0x917d, 0x40bd,
+  0x917e, 0x3f6c,
+  0x91a1, 0x39a6,
+  0x91a2, 0x3948,
+  0x91a3, 0x3fbf,
+  0x91a4, 0x3f5f,
+  0x91a5, 0x3a05,
+  0x91a6, 0x06f5,
+  0x91a7, 0x40f8,
+  0x91a8, 0x41ad,
+  0x91a9, 0x3f0e,
+  0x91aa, 0x4122,
+  0x91ab, 0x3f13,
+  0x91ac, 0x3f0b,
+  0x91ad, 0x4135,
+  0x91ae, 0x3a2b,
+  0x91af, 0x4138,
+  0x91b0, 0x0226,
+  0x91b1, 0x4149,
+  0x91b2, 0x3ba5,
+  0x91b3, 0x4001,
+  0x91b4, 0x3fbd,
+  0x91b5, 0x3fa8,
+  0x91b6, 0x4186,
+  0x91b7, 0x3a54,
+  0x91b8, 0x3fc2,
+  0x91b9, 0x4192,
+  0x91ba, 0x4187,
+  0x91bb, 0x3384,
+  0x91bc, 0x3fc4,
+  0x91bd, 0x3d99,
+  0x91be, 0x3aaa,
+  0x91bf, 0x41de,
+  0x91c1, 0x3ff6,
+  0x91c2, 0x3f5d,
+  0x91c3, 0x41c7,
+  0x91c4, 0x3d91,
+  0x91c5, 0x3d74,
+  0x91c6, 0x3f4c,
+  0x91c7, 0x41f2,
+  0x91c8, 0x3aa5,
+  0x91c9, 0x3b4b,
+  0x91ca, 0x3d86,
+  0x91cb, 0x41f8,
+  0x91cc, 0x4240,
+  0x91cd, 0x3ffd,
+  0x91ce, 0x3fa7,
+  0x91cf, 0x4259,
+  0x91d0, 0x0e72,
+  0x91d1, 0x4262,
+  0x91d2, 0x3c7e,
+  0x91d3, 0x3938,
+  0x91d4, 0x4233,
+  0x91d5, 0x295a,
+  0x91d7, 0x3f97,
+  0x91d8, 0x3fb2,
+  0x91d9, 0x428a,
+  0x91da, 0x3f98,
+  0x91db, 0x1f94,
+  0x91dc, 0x3f40,
+  0x91dd, 0x3f4f,
+  0x91de, 0x3f8f,
+  0x91df, 0x3d6f,
+  0x91e0, 0x42df,
+  0x91e1, 0x3f55,
+  0x91e2, 0x3fd3,
+  0x91e3, 0x42ee,
+  0x91e4, 0x3fcf,
+  0x91e5, 0x3fd4,
+  0x91e6, 0x3e7d,
+  0x91e7, 0x4307,
+  0x91e8, 0x43fb,
+  0x91e9, 0x3fda,
+  0x91ea, 0x0d0a,
+  0x91eb, 0x3f77,
+  0x91ec, 0x3dbf,
+  0x91ed, 0x402c,
+  0x91ee, 0x3fa4,
+  0x91ef, 0x3d6f,
+  0x91f0, 0x3ccd,
+  0x91f1, 0x3f64,
+  0x91f2, 0x3f8b,
+  0x91f3, 0x386f,
+  0x91f4, 0x1971,
+  0x91f5, 0x1c9b,
+  0x91f6, 0x0745,
+  0x91f7, 0x1d75,
+  0x91f8, 0x3888,
+  0x91f9, 0x3742,
+  0x91fa, 0x2b40,
+  0x91fb, 0x36e9,
+  0x91fc, 0x37e0,
+  0x91fd, 0x3e16,
+  0x91fe, 0x387c,
+  0x9240, 0x37aa,
+  0x9241, 0x3f8e,
+  0x9242, 0x40dc,
+  0x9243, 0x3c7a,
+  0x9244, 0x3fa6,
+  0x9245, 0x405f,
+  0x9246, 0x3c26,
+  0x9247, 0x385e,
+  0x9248, 0x3f25,
+  0x9249, 0x4048,
+  0x924a, 0x3d81,
+  0x924b, 0x390e,
+  0x924c, 0x4084,
+  0x924d, 0x4118,
+  0x924e, 0x4157,
+  0x924f, 0x3902,
+  0x9250, 0x389f,
+  0x9251, 0x3ff9,
+  0x9252, 0x3823,
+  0x9253, 0x3871,
+  0x9254, 0x36ea,
+  0x9255, 0x376c,
+  0x9256, 0x3740,
+  0x9257, 0x37f4,
+  0x9258, 0x42e0,
+  0x9259, 0x425b,
+  0x925a, 0x36ed,
+  0x925b, 0x3b14,
+  0x925c, 0x42c5,
+  0x925d, 0x408b,
+  0x925e, 0x38a5,
+  0x925f, 0x416a,
+  0x9260, 0x419d,
+  0x9261, 0x4144,
+  0x9262, 0x424f,
+  0x9263, 0x3f61,
+  0x9264, 0x3fd8,
+  0x9265, 0x061c,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKdlbB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKdlbB5VMap2, 920
+};
+
+static Gushort cns13HKgccsB5HMap2[1106] = {
+  0x0000, 0x0000,
+  0x8a40, 0x4308,
+  0x8aa1, 0x4347,
+  0x8b41, 0x438c,
+  0x8b45, 0x438e,
+  0x8b47, 0x438f,
+  0x8b49, 0x4390,
+  0x8b4b, 0x4391,
+  0x8b4d, 0x4392,
+  0x8b54, 0x4396,
+  0x8b58, 0x4397,
+  0x8b5a, 0x4398,
+  0x8e40, 0x372b,
+  0x8e46, 0x3730,
+  0x8e6c, 0x3755,
+  0x8e77, 0x375f,
+  0x8e7e, 0x0121,
+  0x8ea1, 0x3766,
+  0x8ea7, 0x376b,
+  0x8eca, 0x378d,
+  0x8ee6, 0x37a8,
+  0x8ef0, 0x37b1,
+  0x8f40, 0x37c0,
+  0x8f5a, 0x37d9,
+  0x8f60, 0x37de,
+  0x8f68, 0x37e5,
+  0x8fa1, 0x37fc,
+  0x8fc6, 0x3820,
+  0x8fc8, 0x3821,
+  0x8fdb, 0x3833,
+  0x8ffd, 0x3854,
+  0x9040, 0x3856,
+  0x905e, 0x3872,
+  0x9070, 0x3883,
+  0x907a, 0x36e9,
+  0x907b, 0x388d,
+  0x90a1, 0x3891,
+  0x90a7, 0x3896,
+  0x90b9, 0x38a7,
+  0x9140, 0x38ed,
+  0x9166, 0x3912,
+  0x916f, 0x391a,
+  0x91a1, 0x3929,
+  0x91a3, 0x392a,
+  0x9240, 0x3986,
+  0x92a1, 0x39c5,
+  0x92af, 0x0119,
+  0x92b1, 0x011c,
+  0x92b2, 0x011b,
+  0x92b3, 0x39d3,
+  0x92e6, 0x3a05,
+  0x92f3, 0x3a11,
+  0x9340, 0x3a1d,
+  0x9369, 0x3a45,
+  0x93a1, 0x3a5b,
+  0x93ab, 0x3a64,
+  0x93c3, 0x3a7b,
+  0x93e6, 0x3a9d,
+  0x93ec, 0x3aa2,
+  0x9440, 0x3ab5,
+  0x9447, 0x3abb,
+  0x94a1, 0x3af3,
+  0x9540, 0x3b51,
+  0x954e, 0x3b5e,
+  0x955b, 0x3b6a,
+  0x95a1, 0x3b8e,
+  0x95c7, 0x3bb3,
+  0x9640, 0x3beb,
+  0x96a1, 0x3c2a,
+  0x96d5, 0x3c5d,
+  0x9740, 0x3c87,
+  0x97a1, 0x3cc6,
+  0x9840, 0x3d24,
+  0x9877, 0x3d59,
+  0x987a, 0x3d5a,
+  0x98a3, 0x3d5b,
+  0x98af, 0x3d5c,
+  0x98b6, 0x3d5d,
+  0x98b9, 0x3d5e,
+  0x98bd, 0x3d5f,
+  0x98c2, 0x3d61,
+  0x98c4, 0x3d62,
+  0x98c6, 0x3d63,
+  0x98e3, 0x3d65,
+  0x98e7, 0x3d66,
+  0x98ed, 0x3d67,
+  0x98f0, 0x3d68,
+  0x98f2, 0x3d69,
+  0x98fc, 0x3d6a,
+  0x9943, 0x3d6b,
+  0x9945, 0x3d6c,
+  0x994f, 0x3d6d,
+  0x996a, 0x3d6e,
+  0x996e, 0x3d6f,
+  0x9975, 0x3d70,
+  0x9978, 0x3d71,
+  0x99a2, 0x3d72,
+  0x99ae, 0x3d73,
+  0x99b6, 0x3d74,
+  0x99ba, 0x3d75,
+  0x99e2, 0x3d76,
+  0x99f4, 0x3d77,
+  0x9a4a, 0x3d78,
+  0x9a4c, 0x3d79,
+  0x9a59, 0x3d7a,
+  0x9a61, 0x3d7b,
+  0x9a68, 0x3d7c,
+  0x9a73, 0x3d7d,
+  0x9a7e, 0x3d7e,
+  0x9ab2, 0x3d7f,
+  0x9ab7, 0x3d80,
+  0x9ab9, 0x3d81,
+  0x9abb, 0x3d82,
+  0x9ac7, 0x3d83,
+  0x9ad0, 0x3d84,
+  0x9ad2, 0x3d85,
+  0x9ad9, 0x3d86,
+  0x9ae2, 0x3d89,
+  0x9ae4, 0x3d8a,
+  0x9ae8, 0x3d8b,
+  0x9af2, 0x3d8c,
+  0x9af6, 0x3d8d,
+  0x9afb, 0x3d8e,
+  0x9b46, 0x3d8f,
+  0x9b4a, 0x3d90,
+  0x9b4c, 0x3d91,
+  0x9b54, 0x3d92,
+  0x9b58, 0x3d93,
+  0x9b5a, 0x3d94,
+  0x9b5c, 0x3d95,
+  0x9b5e, 0x3d96,
+  0x9b70, 0x3d98,
+  0x9b76, 0x3d9c,
+  0x9b7b, 0x3d9f,
+  0x9b7e, 0x3da1,
+  0x9ba1, 0x3da2,
+  0x9ba3, 0x3da3,
+  0x9ba7, 0x3da5,
+  0x9bac, 0x3da9,
+  0x9baf, 0x3daa,
+  0x9bb2, 0x3dab,
+  0x9bbe, 0x3db3,
+  0x9bc0, 0x3db4,
+  0x9bca, 0x3dbb,
+  0x9bcc, 0x3dbc,
+  0x9bd0, 0x3dbd,
+  0x9bd3, 0x3dbf,
+  0x9bd5, 0x3dc0,
+  0x9bd8, 0x3dc1,
+  0x9bdd, 0x3dc4,
+  0x9bde, 0x1c14,
+  0x9bdf, 0x3dc5,
+  0x9be1, 0x3dc6,
+  0x9be3, 0x3dc7,
+  0x9be7, 0x3dc8,
+  0x9be9, 0x3dc9,
+  0x9bee, 0x3dcd,
+  0x9bf3, 0x3dcf,
+  0x9bf6, 0x3dd0,
+  0x9bf8, 0x3dd1,
+  0x9bfb, 0x3dd3,
+  0x9c40, 0x3dd5,
+  0x9c44, 0x3dd8,
+  0x9c48, 0x3ddb,
+  0x9c4a, 0x3ddc,
+  0x9c4d, 0x3ddd,
+  0x9c55, 0x3de4,
+  0x9c57, 0x3de5,
+  0x9c5d, 0x3dea,
+  0x9c60, 0x3deb,
+  0x9c62, 0x3dec,
+  0x9c64, 0x3ded,
+  0x9c68, 0x3df0,
+  0x9c6a, 0x3df1,
+  0x9c6b, 0x346a,
+  0x9c6d, 0x3df2,
+  0x9c6f, 0x3df3,
+  0x9c75, 0x3df7,
+  0x9c79, 0x3dfa,
+  0x9c7b, 0x3dfb,
+  0x9c7e, 0x3dfd,
+  0x9ca1, 0x3dfe,
+  0x9ca5, 0x3e00,
+  0x9ca8, 0x3e01,
+  0x9cab, 0x3e03,
+  0x9cad, 0x3e04,
+  0x9cb1, 0x3e06,
+  0x9cbc, 0x3e10,
+  0x9cc6, 0x3e17,
+  0x9ccf, 0x3e1f,
+  0x9cd8, 0x3e24,
+  0x9cdc, 0x3e27,
+  0x9ce7, 0x3e31,
+  0x9ceb, 0x3e34,
+  0x9cee, 0x3e36,
+  0x9cfd, 0x3e42,
+  0x9d46, 0x3e43,
+  0x9d49, 0x3e44,
+  0x9d4c, 0x3e46,
+  0x9d4f, 0x3e48,
+  0x9d51, 0x3e49,
+  0x9d55, 0x3e4a,
+  0x9d57, 0x25c1,
+  0x9d5a, 0x3e4b,
+  0x9d62, 0x3e4c,
+  0x9d64, 0x3e4d,
+  0x9d79, 0x3e4e,
+  0x9d7e, 0x3e4f,
+  0x9da5, 0x3e50,
+  0x9daa, 0x3e54,
+  0x9dac, 0x3e55,
+  0x9db0, 0x3e58,
+  0x9db3, 0x3e59,
+  0x9db5, 0x3e5a,
+  0x9db7, 0x3e5b,
+  0x9dbc, 0x3e5c,
+  0x9dbf, 0x3e5e,
+  0x9dc3, 0x3e60,
+  0x9dc7, 0x3e62,
+  0x9dca, 0x3e64,
+  0x9dcd, 0x3e65,
+  0x9dd3, 0x3e6a,
+  0x9dda, 0x3e6d,
+  0x9dfd, 0x3e8f,
+  0x9e40, 0x3e91,
+  0x9e64, 0x3eb4,
+  0x9e68, 0x3eb6,
+  0x9e6a, 0x3eb7,
+  0x9e71, 0x3eb8,
+  0x9e73, 0x3eb9,
+  0x9e77, 0x3eba,
+  0x9e7a, 0x3ebc,
+  0x9e7c, 0x3ebd,
+  0x9e7e, 0x3ebe,
+  0x9ea1, 0x3ebf,
+  0x9ea4, 0x3ec1,
+  0x9ea9, 0x3ec4,
+  0x9eac, 0x3ec6,
+  0x9eaf, 0x3ec8,
+  0x9eb4, 0x3ecb,
+  0x9eb6, 0x3ecc,
+  0x9eb9, 0x3ece,
+  0x9ebc, 0x3ecf,
+  0x9ebf, 0x3ed0,
+  0x9ec4, 0x3ed2,
+  0x9ec7, 0x3ed4,
+  0x9ecc, 0x3ed8,
+  0x9ed0, 0x3eda,
+  0x9ed3, 0x3edc,
+  0x9ed6, 0x3edd,
+  0x9eda, 0x3edf,
+  0x9ef3, 0x3ef7,
+  0x9ef9, 0x3efa,
+  0x9efc, 0x3efc,
+  0x9f40, 0x3eff,
+  0x9f44, 0x3f02,
+  0x9f49, 0x3f06,
+  0x9f4d, 0x3f08,
+  0x9f69, 0x3f23,
+  0x9f71, 0x3f2a,
+  0x9fa1, 0x3f38,
+  0x9fb6, 0x3f4c,
+  0x9fbc, 0x3f51,
+  0x9fc0, 0x3f54,
+  0x9fc2, 0x3f55,
+  0x9fe5, 0x3f77,
+  0x9ffa, 0x3f8b,
+  0xa041, 0x3f90,
+  0xa048, 0x3f96,
+  0xa056, 0x3fa3,
+  0xa06e, 0x3fba,
+  0xa07c, 0x3fc7,
+  0xa0a1, 0x3fca,
+  0xa0a3, 0x3fcb,
+  0xa0a8, 0x3fcf,
+  0xa0c6, 0x3fec,
+  0xa0d1, 0x3ff6,
+  0xa0e4, 0x4008,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xfa40, 0x400b,
+  0xfaa1, 0x404a,
+  0xfb40, 0x40a8,
+  0xfba1, 0x40e7,
+  0xfbc0, 0x4105,
+  0xfbce, 0x4112,
+  0xfc40, 0x4143,
+  0xfc4b, 0x414d,
+  0xfc4f, 0x212f,
+  0xfc50, 0x4151,
+  0xfc53, 0x4153,
+  0xfc64, 0x4163,
+  0xfc76, 0x4174,
+  0xfca1, 0x417d,
+  0xfcb9, 0x115f,
+  0xfcba, 0x4195,
+  0xfcbd, 0x4197,
+  0xfce4, 0x41bd,
+  0xfcef, 0x41c7,
+  0xfd40, 0x41d7,
+  0xfd4a, 0x41e0,
+  0xfda1, 0x4215,
+  0xfdf3, 0x4266,
+  0xfe40, 0x4272,
+  0xfe6e, 0x429f,
+  0xfe79, 0x42a9,
+  0xfea1, 0x42af,
+  0xfeaa, 0x0120,
+  0xfeab, 0x42b8,
+  0xfee0, 0x42eb,
+  0xfeef, 0x42f8,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKgccsB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKgccsB5HMap2, 553
+};
+
+static Gushort cns13HKgccsB5VMap2[1130] = {
+  0x0000, 0x0000,
+  0x8a40, 0x4308,
+  0x8aa1, 0x4347,
+  0x8b41, 0x438c,
+  0x8b45, 0x438e,
+  0x8b47, 0x438f,
+  0x8b49, 0x4390,
+  0x8b4b, 0x4391,
+  0x8b4d, 0x4392,
+  0x8b54, 0x4396,
+  0x8b58, 0x4397,
+  0x8b5a, 0x4398,
+  0x8e40, 0x372b,
+  0x8e46, 0x3730,
+  0x8e6c, 0x3755,
+  0x8e77, 0x375f,
+  0x8e7e, 0x0121,
+  0x8ea1, 0x3766,
+  0x8ea7, 0x376b,
+  0x8eca, 0x378d,
+  0x8ee6, 0x37a8,
+  0x8ef0, 0x37b1,
+  0x8f40, 0x37c0,
+  0x8f5a, 0x37d9,
+  0x8f60, 0x37de,
+  0x8f68, 0x37e5,
+  0x8fa1, 0x37fc,
+  0x8fc6, 0x3820,
+  0x8fc8, 0x3821,
+  0x8fdb, 0x3833,
+  0x8ffd, 0x3854,
+  0x9040, 0x3856,
+  0x905e, 0x3872,
+  0x9070, 0x3883,
+  0x907a, 0x36e9,
+  0x907b, 0x388d,
+  0x90a1, 0x3891,
+  0x90a7, 0x3896,
+  0x90b9, 0x38a7,
+  0x9140, 0x38ed,
+  0x9166, 0x3912,
+  0x916f, 0x391a,
+  0x91a1, 0x3929,
+  0x91a3, 0x392a,
+  0x9240, 0x3986,
+  0x92a1, 0x39c5,
+  0x92af, 0x0119,
+  0x92b1, 0x011c,
+  0x92b2, 0x011b,
+  0x92b3, 0x39d3,
+  0x92e6, 0x3a05,
+  0x92f3, 0x3a11,
+  0x9340, 0x3a1d,
+  0x9369, 0x3a45,
+  0x93a1, 0x3a5b,
+  0x93ab, 0x3a64,
+  0x93c3, 0x3a7b,
+  0x93e6, 0x3a9d,
+  0x93ec, 0x3aa2,
+  0x9440, 0x3ab5,
+  0x9447, 0x3abb,
+  0x94a1, 0x3af3,
+  0x9540, 0x3b51,
+  0x954e, 0x3b5e,
+  0x955b, 0x3b6a,
+  0x95a1, 0x3b8e,
+  0x95c7, 0x3bb3,
+  0x9640, 0x3beb,
+  0x96a1, 0x3c2a,
+  0x96d5, 0x3c5d,
+  0x9740, 0x3c87,
+  0x97a1, 0x3cc6,
+  0x9840, 0x3d24,
+  0x9877, 0x3d59,
+  0x987a, 0x3d5a,
+  0x98a3, 0x3d5b,
+  0x98af, 0x3d5c,
+  0x98b6, 0x3d5d,
+  0x98b9, 0x3d5e,
+  0x98bd, 0x3d5f,
+  0x98c2, 0x3d61,
+  0x98c4, 0x3d62,
+  0x98c6, 0x3d63,
+  0x98e3, 0x3d65,
+  0x98e7, 0x3d66,
+  0x98ed, 0x3d67,
+  0x98f0, 0x3d68,
+  0x98f2, 0x3d69,
+  0x98fc, 0x3d6a,
+  0x9943, 0x3d6b,
+  0x9945, 0x3d6c,
+  0x994f, 0x3d6d,
+  0x996a, 0x3d6e,
+  0x996e, 0x3d6f,
+  0x9975, 0x3d70,
+  0x9978, 0x3d71,
+  0x99a2, 0x3d72,
+  0x99ae, 0x3d73,
+  0x99b6, 0x3d74,
+  0x99ba, 0x3d75,
+  0x99e2, 0x3d76,
+  0x99f4, 0x3d77,
+  0x9a4a, 0x3d78,
+  0x9a4c, 0x3d79,
+  0x9a59, 0x3d7a,
+  0x9a61, 0x3d7b,
+  0x9a68, 0x3d7c,
+  0x9a73, 0x3d7d,
+  0x9a7e, 0x3d7e,
+  0x9ab2, 0x3d7f,
+  0x9ab7, 0x3d80,
+  0x9ab9, 0x3d81,
+  0x9abb, 0x3d82,
+  0x9ac7, 0x3d83,
+  0x9ad0, 0x3d84,
+  0x9ad2, 0x3d85,
+  0x9ad9, 0x3d86,
+  0x9ae2, 0x3d89,
+  0x9ae4, 0x3d8a,
+  0x9ae8, 0x3d8b,
+  0x9af2, 0x3d8c,
+  0x9af6, 0x3d8d,
+  0x9afb, 0x3d8e,
+  0x9b46, 0x3d8f,
+  0x9b4a, 0x3d90,
+  0x9b4c, 0x3d91,
+  0x9b54, 0x3d92,
+  0x9b58, 0x3d93,
+  0x9b5a, 0x3d94,
+  0x9b5c, 0x3d95,
+  0x9b5e, 0x3d96,
+  0x9b70, 0x3d98,
+  0x9b76, 0x3d9c,
+  0x9b7b, 0x3d9f,
+  0x9b7e, 0x3da1,
+  0x9ba1, 0x3da2,
+  0x9ba3, 0x3da3,
+  0x9ba7, 0x3da5,
+  0x9bac, 0x3da9,
+  0x9baf, 0x3daa,
+  0x9bb2, 0x3dab,
+  0x9bbe, 0x3db3,
+  0x9bc0, 0x3db4,
+  0x9bca, 0x3dbb,
+  0x9bcc, 0x3dbc,
+  0x9bd0, 0x3dbd,
+  0x9bd3, 0x3dbf,
+  0x9bd5, 0x3dc0,
+  0x9bd8, 0x3dc1,
+  0x9bdd, 0x3dc4,
+  0x9bde, 0x1c14,
+  0x9bdf, 0x3dc5,
+  0x9be1, 0x3dc6,
+  0x9be3, 0x3dc7,
+  0x9be7, 0x3dc8,
+  0x9be9, 0x3dc9,
+  0x9bee, 0x3dcd,
+  0x9bf3, 0x3dcf,
+  0x9bf6, 0x3dd0,
+  0x9bf8, 0x3dd1,
+  0x9bfb, 0x3dd3,
+  0x9c40, 0x3dd5,
+  0x9c44, 0x3dd8,
+  0x9c48, 0x3ddb,
+  0x9c4a, 0x3ddc,
+  0x9c4d, 0x3ddd,
+  0x9c55, 0x3de4,
+  0x9c57, 0x3de5,
+  0x9c5d, 0x3dea,
+  0x9c60, 0x3deb,
+  0x9c62, 0x3dec,
+  0x9c64, 0x3ded,
+  0x9c68, 0x3df0,
+  0x9c6a, 0x3df1,
+  0x9c6b, 0x346a,
+  0x9c6d, 0x3df2,
+  0x9c6f, 0x3df3,
+  0x9c75, 0x3df7,
+  0x9c79, 0x3dfa,
+  0x9c7b, 0x3dfb,
+  0x9c7e, 0x3dfd,
+  0x9ca1, 0x3dfe,
+  0x9ca5, 0x3e00,
+  0x9ca8, 0x3e01,
+  0x9cab, 0x3e03,
+  0x9cad, 0x3e04,
+  0x9cb1, 0x3e06,
+  0x9cbc, 0x3e10,
+  0x9cc6, 0x3e17,
+  0x9ccf, 0x3e1f,
+  0x9cd8, 0x3e24,
+  0x9cdc, 0x3e27,
+  0x9ce7, 0x3e31,
+  0x9ceb, 0x3e34,
+  0x9cee, 0x3e36,
+  0x9cfd, 0x3e42,
+  0x9d46, 0x3e43,
+  0x9d49, 0x3e44,
+  0x9d4c, 0x3e46,
+  0x9d4f, 0x3e48,
+  0x9d51, 0x3e49,
+  0x9d55, 0x3e4a,
+  0x9d57, 0x25c1,
+  0x9d5a, 0x3e4b,
+  0x9d62, 0x3e4c,
+  0x9d64, 0x3e4d,
+  0x9d79, 0x3e4e,
+  0x9d7e, 0x3e4f,
+  0x9da5, 0x3e50,
+  0x9daa, 0x3e54,
+  0x9dac, 0x3e55,
+  0x9db0, 0x3e58,
+  0x9db3, 0x3e59,
+  0x9db5, 0x3e5a,
+  0x9db7, 0x3e5b,
+  0x9dbc, 0x3e5c,
+  0x9dbf, 0x3e5e,
+  0x9dc3, 0x3e60,
+  0x9dc7, 0x3e62,
+  0x9dca, 0x3e64,
+  0x9dcd, 0x3e65,
+  0x9dd3, 0x3e6a,
+  0x9dda, 0x3e6d,
+  0x9dfd, 0x3e8f,
+  0x9e40, 0x3e91,
+  0x9e64, 0x3eb4,
+  0x9e68, 0x3eb6,
+  0x9e6a, 0x3eb7,
+  0x9e71, 0x3eb8,
+  0x9e73, 0x3eb9,
+  0x9e77, 0x3eba,
+  0x9e7a, 0x3ebc,
+  0x9e7c, 0x3ebd,
+  0x9e7e, 0x3ebe,
+  0x9ea1, 0x3ebf,
+  0x9ea4, 0x3ec1,
+  0x9ea9, 0x3ec4,
+  0x9eac, 0x3ec6,
+  0x9eaf, 0x3ec8,
+  0x9eb4, 0x3ecb,
+  0x9eb6, 0x3ecc,
+  0x9eb9, 0x3ece,
+  0x9ebc, 0x3ecf,
+  0x9ebf, 0x3ed0,
+  0x9ec4, 0x3ed2,
+  0x9ec7, 0x3ed4,
+  0x9ecc, 0x3ed8,
+  0x9ed0, 0x3eda,
+  0x9ed3, 0x3edc,
+  0x9ed6, 0x3edd,
+  0x9eda, 0x3edf,
+  0x9ef3, 0x3ef7,
+  0x9ef9, 0x3efa,
+  0x9efc, 0x3efc,
+  0x9f40, 0x3eff,
+  0x9f44, 0x3f02,
+  0x9f49, 0x3f06,
+  0x9f4d, 0x3f08,
+  0x9f69, 0x3f23,
+  0x9f71, 0x3f2a,
+  0x9fa1, 0x3f38,
+  0x9fb6, 0x3f4c,
+  0x9fbc, 0x3f51,
+  0x9fc0, 0x3f54,
+  0x9fc2, 0x3f55,
+  0x9fe5, 0x3f77,
+  0x9ffa, 0x3f8b,
+  0xa041, 0x3f90,
+  0xa048, 0x3f96,
+  0xa056, 0x3fa3,
+  0xa06e, 0x3fba,
+  0xa07c, 0x3fc7,
+  0xa0a1, 0x3fca,
+  0xa0a3, 0x3fcb,
+  0xa0a8, 0x3fcf,
+  0xa0c6, 0x3fec,
+  0xa0d1, 0x3ff6,
+  0xa0e4, 0x4008,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xfa40, 0x400b,
+  0xfaa1, 0x404a,
+  0xfb40, 0x40a8,
+  0xfba1, 0x40e7,
+  0xfbc0, 0x4105,
+  0xfbce, 0x4112,
+  0xfc40, 0x4143,
+  0xfc4b, 0x414d,
+  0xfc4f, 0x212f,
+  0xfc50, 0x4151,
+  0xfc53, 0x4153,
+  0xfc64, 0x4163,
+  0xfc76, 0x4174,
+  0xfca1, 0x417d,
+  0xfcb9, 0x115f,
+  0xfcba, 0x4195,
+  0xfcbd, 0x4197,
+  0xfce4, 0x41bd,
+  0xfcef, 0x41c7,
+  0xfd40, 0x41d7,
+  0xfd4a, 0x41e0,
+  0xfda1, 0x4215,
+  0xfdf3, 0x4266,
+  0xfe40, 0x4272,
+  0xfe6e, 0x429f,
+  0xfe79, 0x42a9,
+  0xfea1, 0x42af,
+  0xfeaa, 0x0120,
+  0xfeab, 0x42b8,
+  0xfee0, 0x42eb,
+  0xfeef, 0x42f8,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKgccsB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKgccsB5VMap2, 565
+};
+
+static Gushort cns13HKm314B5HMap2[1086] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc740, 0x3d6d,
+  0xc741, 0x39c4,
+  0xc742, 0x4399,
+  0xc743, 0x3e05,
+  0xc744, 0x36ea,
+  0xc745, 0x39c8,
+  0xc746, 0x393d,
+  0xc747, 0x439b,
+  0xc748, 0x4022,
+  0xc749, 0x439d,
+  0xc74a, 0x4034,
+  0xc74b, 0x439f,
+  0xc74c, 0x3ea3,
+  0xc74d, 0x3ea6,
+  0xc74e, 0x4051,
+  0xc74f, 0x4048,
+  0xc751, 0x404b,
+  0xc752, 0x404f,
+  0xc753, 0x43a2,
+  0xc754, 0x405a,
+  0xc755, 0x3ea4,
+  0xc756, 0x3dbd,
+  0xc757, 0x3dbf,
+  0xc758, 0x405c,
+  0xc759, 0x405f,
+  0xc75a, 0x43a4,
+  0xc75b, 0x407b,
+  0xc75c, 0x4082,
+  0xc75d, 0x3f6d,
+  0xc75e, 0x408b,
+  0xc75f, 0x43a6,
+  0xc760, 0x4093,
+  0xc761, 0x4096,
+  0xc762, 0x43a7,
+  0xc763, 0x4098,
+  0xc764, 0x3e7f,
+  0xc765, 0x3c77,
+  0xc766, 0x3ea7,
+  0xc767, 0x3e8a,
+  0xc768, 0x3e98,
+  0xc769, 0x3e8c,
+  0xc76a, 0x40a1,
+  0xc76b, 0x3a00,
+  0xc76c, 0x39a3,
+  0xc76d, 0x3e8d,
+  0xc76e, 0x43a8,
+  0xc76f, 0x3f58,
+  0xc770, 0x3dbc,
+  0xc771, 0x3ccc,
+  0xc772, 0x3ea8,
+  0xc774, 0x3b2e,
+  0xc775, 0x3bc6,
+  0xc776, 0x3e8b,
+  0xc777, 0x3e9f,
+  0xc778, 0x432c,
+  0xc779, 0x43a9,
+  0xc77a, 0x3f08,
+  0xc77b, 0x3ea5,
+  0xc77c, 0x3e89,
+  0xc77d, 0x3dc3,
+  0xc77e, 0x3e82,
+  0xc7a1, 0x3e81,
+  0xc7a2, 0x3e94,
+  0xc7a3, 0x3e83,
+  0xc7a4, 0x3e88,
+  0xc7a5, 0x43ab,
+  0xc7a6, 0x3e91,
+  0xc7a7, 0x43ac,
+  0xc7a8, 0x3e7c,
+  0xc7a9, 0x3e80,
+  0xc7aa, 0x3e8f,
+  0xc7ab, 0x3e67,
+  0xc7ac, 0x3e78,
+  0xc7ad, 0x3e68,
+  0xc7ae, 0x43ad,
+  0xc7af, 0x37d2,
+  0xc7b0, 0x3f4d,
+  0xc7b1, 0x43ae,
+  0xc7b2, 0x3e7e,
+  0xc7b3, 0x40bc,
+  0xc7b4, 0x3e63,
+  0xc7b5, 0x40bd,
+  0xc7b6, 0x43af,
+  0xc7b7, 0x40b7,
+  0xc7b8, 0x3eb7,
+  0xc7b9, 0x3eed,
+  0xc7ba, 0x3f6a,
+  0xc7bb, 0x3e95,
+  0xc7bc, 0x3948,
+  0xc7bd, 0x3cc8,
+  0xc7be, 0x43b1,
+  0xc7c0, 0x40cc,
+  0xc7c1, 0x3e86,
+  0xc7c2, 0x3c7a,
+  0xc7c3, 0x3c7d,
+  0xc7c4, 0x43b4,
+  0xc7c5, 0x40d1,
+  0xc7c6, 0x3d72,
+  0xc7c7, 0x3c26,
+  0xc7c8, 0x36eb,
+  0xc7c9, 0x40bf,
+  0xc7ca, 0x4100,
+  0xc7cb, 0x3c85,
+  0xc7cc, 0x43b5,
+  0xc7cd, 0x3a1d,
+  0xc7ce, 0x37f5,
+  0xc7cf, 0x36ee,
+  0xc7d0, 0x3e5f,
+  0xc7d1, 0x4116,
+  0xc7d2, 0x411f,
+  0xc7d3, 0x4118,
+  0xc7d4, 0x4123,
+  0xc7d5, 0x4127,
+  0xc7d6, 0x4129,
+  0xc7d7, 0x43bc,
+  0xc7d9, 0x3e8e,
+  0xc7da, 0x386f,
+  0xc7db, 0x4143,
+  0xc7dc, 0x4146,
+  0xc7dd, 0x4144,
+  0xc7de, 0x4149,
+  0xc7df, 0x3ba5,
+  0xc7e0, 0x4157,
+  0xc7e1, 0x4161,
+  0xc7e2, 0x36ec,
+  0xc7e3, 0x416a,
+  0xc7e4, 0x4002,
+  0xc7e5, 0x4186,
+  0xc7e6, 0x3fba,
+  0xc7e7, 0x3f50,
+  0xc7e8, 0x3e96,
+  0xc7e9, 0x418a,
+  0xc7ea, 0x3fc1,
+  0xc7eb, 0x3d8f,
+  0xc7ec, 0x43c1,
+  0xc7ed, 0x3ea0,
+  0xc7ee, 0x3f16,
+  0xc7ef, 0x3e9d,
+  0xc7f0, 0x4192,
+  0xc7f1, 0x3a66,
+  0xc7f2, 0x3e9c,
+  0xc7f3, 0x3e90,
+  0xc7f4, 0x419d,
+  0xc7f5, 0x43c2,
+  0xc7f7, 0x37a8,
+  0xc7f8, 0x419e,
+  0xc7f9, 0x4187,
+  0xc7fa, 0x3ea2,
+  0xc7fb, 0x3e87,
+  0xc7fc, 0x3e84,
+  0xc7fd, 0x3eae,
+  0xc7fe, 0x3b74,
+  0xc840, 0x3b75,
+  0xc841, 0x3b72,
+  0xc842, 0x3eb2,
+  0xc843, 0x3eac,
+  0xc844, 0x41ca,
+  0xc845, 0x41f4,
+  0xc846, 0x41d0,
+  0xc847, 0x3aaa,
+  0xc848, 0x41f5,
+  0xc849, 0x41f8,
+  0xc84a, 0x41fb,
+  0xc84b, 0x4205,
+  0xc84c, 0x3d8e,
+  0xc84d, 0x420e,
+  0xc84e, 0x3d63,
+  0xc84f, 0x4222,
+  0xc850, 0x4221,
+  0xc851, 0x4223,
+  0xc852, 0x4069,
+  0xc853, 0x402f,
+  0xc854, 0x38a5,
+  0xc855, 0x3cf5,
+  0xc856, 0x3d69,
+  0xc857, 0x425b,
+  0xc858, 0x3ac8,
+  0xc859, 0x3dc0,
+  0xc85a, 0x39ea,
+  0xc85b, 0x4000,
+  0xc85c, 0x4264,
+  0xc85d, 0x4262,
+  0xc85e, 0x3fff,
+  0xc85f, 0x3e9a,
+  0xc860, 0x4273,
+  0xc861, 0x3969,
+  0xc862, 0x427a,
+  0xc863, 0x43ca,
+  0xc864, 0x3f9a,
+  0xc865, 0x3eb5,
+  0xc866, 0x43cb,
+  0xc868, 0x3fb2,
+  0xc869, 0x428a,
+  0xc86c, 0x3adf,
+  0xc86d, 0x42c8,
+  0xc86e, 0x3ead,
+  0xc86f, 0x43ce,
+  0xc870, 0x3f8f,
+  0xc871, 0x43cf,
+  0xc872, 0x3e72,
+  0xc873, 0x3eaa,
+  0xc874, 0x43d3,
+  0xc875, 0x42e0,
+  0xc876, 0x382d,
+  0xc877, 0x3fd5,
+  0xc878, 0x3b14,
+  0xc879, 0x36e8,
+  0xc87a, 0x42f0,
+  0xc87b, 0x3e7d,
+  0xc87c, 0x42fe,
+  0xc87d, 0x4305,
+  0xc87e, 0x373a,
+  0xc8a1, 0x3746,
+  0xc8a2, 0x3752,
+  0xc8a3, 0x36ed,
+  0xc8a4, 0x3b4a,
+  0xc8a5, 0x3b45,
+  0xc8a6, 0x43da,
+  0xc8a7, 0x3ede,
+  0xc8a8, 0x376c,
+  0xc8a9, 0x376b,
+  0xc8aa, 0x3782,
+  0xc8ab, 0x3e69,
+  0xc8ac, 0x3b4f,
+  0xc8ad, 0x3786,
+  0xc8ae, 0x43db,
+  0xc8af, 0x3788,
+  0xc8b0, 0x43dc,
+  0xc8b1, 0x3ecd,
+  0xc8b2, 0x3797,
+  0xc8b3, 0x420d,
+  0xc8b4, 0x37d8,
+  0xc8b5, 0x3b71,
+  0xc8b6, 0x38dc,
+  0xc8b7, 0x37e0,
+  0xc8b8, 0x37f4,
+  0xc8b9, 0x3813,
+  0xc8ba, 0x3eb0,
+  0xc8bb, 0x380d,
+  0xc8bc, 0x3eaf,
+  0xc8bd, 0x381b,
+  0xc8bf, 0x381e,
+  0xc8c1, 0x3eb1,
+  0xc8c2, 0x3fe9,
+  0xc8c3, 0x43e4,
+  0xc8c4, 0x3ff9,
+  0xc8c5, 0x3e59,
+  0xc8c6, 0x3e99,
+  0xc8c7, 0x3e5e,
+  0xc8c8, 0x3bb4,
+  0xc8c9, 0x3eab,
+  0xc8ca, 0x43e7,
+  0xc8cc, 0x385e,
+  0xc8cd, 0x43e9,
+  0xc8ce, 0x3dbe,
+  0xc8cf, 0x3e85,
+  0xc8d0, 0x3863,
+  0xc8d2, 0x3d6c,
+  0xc8d3, 0x3871,
+  0xc8d4, 0x387c,
+  0xc8d5, 0x3882,
+  0xc8d6, 0x3e9b,
+  0xc8d7, 0x3888,
+  0xc8d8, 0x3c0e,
+  0xc8d9, 0x382e,
+  0xc8da, 0x389a,
+  0xc8db, 0x388b,
+  0xc8dc, 0x3c04,
+  0xc8dd, 0x36e9,
+  0xc8de, 0x42bd,
+  0xc8df, 0x3bcd,
+  0xc8e0, 0x389f,
+  0xc8e1, 0x379b,
+  0xc8e2, 0x38af,
+  0xc8e3, 0x3e97,
+  0xc8e4, 0x38f0,
+  0xc8e5, 0x3bfd,
+  0xc8e6, 0x3c11,
+  0xc8e8, 0x43ef,
+  0xc8e9, 0x3785,
+  0xc8ea, 0x3902,
+  0xc8eb, 0x3faa,
+  0xc8ec, 0x3f19,
+  0xc8ed, 0x3919,
+  0xc8ee, 0x43f1,
+  0xc8ef, 0x391a,
+  0xc8f1, 0x3e66,
+  0xc8f2, 0x3f22,
+  0xc8f3, 0x3d7e,
+  0xc8f4, 0x3c39,
+  0xc8f5, 0x3ea1,
+  0xc8f6, 0x43f2,
+  0xc8f8, 0x3f30,
+  0xc8f9, 0x3929,
+  0xc8fa, 0x3fbc,
+  0xc8fb, 0x3936,
+  0xc8fd, 0x3f90,
+  0xc8fe, 0x0aba,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKm314B5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKm314B5HMap2, 543
+};
+
+static Gushort cns13HKm314B5VMap2[1110] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc740, 0x3d6d,
+  0xc741, 0x39c4,
+  0xc742, 0x4399,
+  0xc743, 0x3e05,
+  0xc744, 0x36ea,
+  0xc745, 0x39c8,
+  0xc746, 0x393d,
+  0xc747, 0x439b,
+  0xc748, 0x4022,
+  0xc749, 0x439d,
+  0xc74a, 0x4034,
+  0xc74b, 0x439f,
+  0xc74c, 0x3ea3,
+  0xc74d, 0x3ea6,
+  0xc74e, 0x4051,
+  0xc74f, 0x4048,
+  0xc751, 0x404b,
+  0xc752, 0x404f,
+  0xc753, 0x43a2,
+  0xc754, 0x405a,
+  0xc755, 0x3ea4,
+  0xc756, 0x3dbd,
+  0xc757, 0x3dbf,
+  0xc758, 0x405c,
+  0xc759, 0x405f,
+  0xc75a, 0x43a4,
+  0xc75b, 0x407b,
+  0xc75c, 0x4082,
+  0xc75d, 0x3f6d,
+  0xc75e, 0x408b,
+  0xc75f, 0x43a6,
+  0xc760, 0x4093,
+  0xc761, 0x4096,
+  0xc762, 0x43a7,
+  0xc763, 0x4098,
+  0xc764, 0x3e7f,
+  0xc765, 0x3c77,
+  0xc766, 0x3ea7,
+  0xc767, 0x3e8a,
+  0xc768, 0x3e98,
+  0xc769, 0x3e8c,
+  0xc76a, 0x40a1,
+  0xc76b, 0x3a00,
+  0xc76c, 0x39a3,
+  0xc76d, 0x3e8d,
+  0xc76e, 0x43a8,
+  0xc76f, 0x3f58,
+  0xc770, 0x3dbc,
+  0xc771, 0x3ccc,
+  0xc772, 0x3ea8,
+  0xc774, 0x3b2e,
+  0xc775, 0x3bc6,
+  0xc776, 0x3e8b,
+  0xc777, 0x3e9f,
+  0xc778, 0x432c,
+  0xc779, 0x43a9,
+  0xc77a, 0x3f08,
+  0xc77b, 0x3ea5,
+  0xc77c, 0x3e89,
+  0xc77d, 0x3dc3,
+  0xc77e, 0x3e82,
+  0xc7a1, 0x3e81,
+  0xc7a2, 0x3e94,
+  0xc7a3, 0x3e83,
+  0xc7a4, 0x3e88,
+  0xc7a5, 0x43ab,
+  0xc7a6, 0x3e91,
+  0xc7a7, 0x43ac,
+  0xc7a8, 0x3e7c,
+  0xc7a9, 0x3e80,
+  0xc7aa, 0x3e8f,
+  0xc7ab, 0x3e67,
+  0xc7ac, 0x3e78,
+  0xc7ad, 0x3e68,
+  0xc7ae, 0x43ad,
+  0xc7af, 0x37d2,
+  0xc7b0, 0x3f4d,
+  0xc7b1, 0x43ae,
+  0xc7b2, 0x3e7e,
+  0xc7b3, 0x40bc,
+  0xc7b4, 0x3e63,
+  0xc7b5, 0x40bd,
+  0xc7b6, 0x43af,
+  0xc7b7, 0x40b7,
+  0xc7b8, 0x3eb7,
+  0xc7b9, 0x3eed,
+  0xc7ba, 0x3f6a,
+  0xc7bb, 0x3e95,
+  0xc7bc, 0x3948,
+  0xc7bd, 0x3cc8,
+  0xc7be, 0x43b1,
+  0xc7c0, 0x40cc,
+  0xc7c1, 0x3e86,
+  0xc7c2, 0x3c7a,
+  0xc7c3, 0x3c7d,
+  0xc7c4, 0x43b4,
+  0xc7c5, 0x40d1,
+  0xc7c6, 0x3d72,
+  0xc7c7, 0x3c26,
+  0xc7c8, 0x36eb,
+  0xc7c9, 0x40bf,
+  0xc7ca, 0x4100,
+  0xc7cb, 0x3c85,
+  0xc7cc, 0x43b5,
+  0xc7cd, 0x3a1d,
+  0xc7ce, 0x37f5,
+  0xc7cf, 0x36ee,
+  0xc7d0, 0x3e5f,
+  0xc7d1, 0x4116,
+  0xc7d2, 0x411f,
+  0xc7d3, 0x4118,
+  0xc7d4, 0x4123,
+  0xc7d5, 0x4127,
+  0xc7d6, 0x4129,
+  0xc7d7, 0x43bc,
+  0xc7d9, 0x3e8e,
+  0xc7da, 0x386f,
+  0xc7db, 0x4143,
+  0xc7dc, 0x4146,
+  0xc7dd, 0x4144,
+  0xc7de, 0x4149,
+  0xc7df, 0x3ba5,
+  0xc7e0, 0x4157,
+  0xc7e1, 0x4161,
+  0xc7e2, 0x36ec,
+  0xc7e3, 0x416a,
+  0xc7e4, 0x4002,
+  0xc7e5, 0x4186,
+  0xc7e6, 0x3fba,
+  0xc7e7, 0x3f50,
+  0xc7e8, 0x3e96,
+  0xc7e9, 0x418a,
+  0xc7ea, 0x3fc1,
+  0xc7eb, 0x3d8f,
+  0xc7ec, 0x43c1,
+  0xc7ed, 0x3ea0,
+  0xc7ee, 0x3f16,
+  0xc7ef, 0x3e9d,
+  0xc7f0, 0x4192,
+  0xc7f1, 0x3a66,
+  0xc7f2, 0x3e9c,
+  0xc7f3, 0x3e90,
+  0xc7f4, 0x419d,
+  0xc7f5, 0x43c2,
+  0xc7f7, 0x37a8,
+  0xc7f8, 0x419e,
+  0xc7f9, 0x4187,
+  0xc7fa, 0x3ea2,
+  0xc7fb, 0x3e87,
+  0xc7fc, 0x3e84,
+  0xc7fd, 0x3eae,
+  0xc7fe, 0x3b74,
+  0xc840, 0x3b75,
+  0xc841, 0x3b72,
+  0xc842, 0x3eb2,
+  0xc843, 0x3eac,
+  0xc844, 0x41ca,
+  0xc845, 0x41f4,
+  0xc846, 0x41d0,
+  0xc847, 0x3aaa,
+  0xc848, 0x41f5,
+  0xc849, 0x41f8,
+  0xc84a, 0x41fb,
+  0xc84b, 0x4205,
+  0xc84c, 0x3d8e,
+  0xc84d, 0x420e,
+  0xc84e, 0x3d63,
+  0xc84f, 0x4222,
+  0xc850, 0x4221,
+  0xc851, 0x4223,
+  0xc852, 0x4069,
+  0xc853, 0x402f,
+  0xc854, 0x38a5,
+  0xc855, 0x3cf5,
+  0xc856, 0x3d69,
+  0xc857, 0x425b,
+  0xc858, 0x3ac8,
+  0xc859, 0x3dc0,
+  0xc85a, 0x39ea,
+  0xc85b, 0x4000,
+  0xc85c, 0x4264,
+  0xc85d, 0x4262,
+  0xc85e, 0x3fff,
+  0xc85f, 0x3e9a,
+  0xc860, 0x4273,
+  0xc861, 0x3969,
+  0xc862, 0x427a,
+  0xc863, 0x43ca,
+  0xc864, 0x3f9a,
+  0xc865, 0x3eb5,
+  0xc866, 0x43cb,
+  0xc868, 0x3fb2,
+  0xc869, 0x428a,
+  0xc86c, 0x3adf,
+  0xc86d, 0x42c8,
+  0xc86e, 0x3ead,
+  0xc86f, 0x43ce,
+  0xc870, 0x3f8f,
+  0xc871, 0x43cf,
+  0xc872, 0x3e72,
+  0xc873, 0x3eaa,
+  0xc874, 0x43d3,
+  0xc875, 0x42e0,
+  0xc876, 0x382d,
+  0xc877, 0x3fd5,
+  0xc878, 0x3b14,
+  0xc879, 0x36e8,
+  0xc87a, 0x42f0,
+  0xc87b, 0x3e7d,
+  0xc87c, 0x42fe,
+  0xc87d, 0x4305,
+  0xc87e, 0x373a,
+  0xc8a1, 0x3746,
+  0xc8a2, 0x3752,
+  0xc8a3, 0x36ed,
+  0xc8a4, 0x3b4a,
+  0xc8a5, 0x3b45,
+  0xc8a6, 0x43da,
+  0xc8a7, 0x3ede,
+  0xc8a8, 0x376c,
+  0xc8a9, 0x376b,
+  0xc8aa, 0x3782,
+  0xc8ab, 0x3e69,
+  0xc8ac, 0x3b4f,
+  0xc8ad, 0x3786,
+  0xc8ae, 0x43db,
+  0xc8af, 0x3788,
+  0xc8b0, 0x43dc,
+  0xc8b1, 0x3ecd,
+  0xc8b2, 0x3797,
+  0xc8b3, 0x420d,
+  0xc8b4, 0x37d8,
+  0xc8b5, 0x3b71,
+  0xc8b6, 0x38dc,
+  0xc8b7, 0x37e0,
+  0xc8b8, 0x37f4,
+  0xc8b9, 0x3813,
+  0xc8ba, 0x3eb0,
+  0xc8bb, 0x380d,
+  0xc8bc, 0x3eaf,
+  0xc8bd, 0x381b,
+  0xc8bf, 0x381e,
+  0xc8c1, 0x3eb1,
+  0xc8c2, 0x3fe9,
+  0xc8c3, 0x43e4,
+  0xc8c4, 0x3ff9,
+  0xc8c5, 0x3e59,
+  0xc8c6, 0x3e99,
+  0xc8c7, 0x3e5e,
+  0xc8c8, 0x3bb4,
+  0xc8c9, 0x3eab,
+  0xc8ca, 0x43e7,
+  0xc8cc, 0x385e,
+  0xc8cd, 0x43e9,
+  0xc8ce, 0x3dbe,
+  0xc8cf, 0x3e85,
+  0xc8d0, 0x3863,
+  0xc8d2, 0x3d6c,
+  0xc8d3, 0x3871,
+  0xc8d4, 0x387c,
+  0xc8d5, 0x3882,
+  0xc8d6, 0x3e9b,
+  0xc8d7, 0x3888,
+  0xc8d8, 0x3c0e,
+  0xc8d9, 0x382e,
+  0xc8da, 0x389a,
+  0xc8db, 0x388b,
+  0xc8dc, 0x3c04,
+  0xc8dd, 0x36e9,
+  0xc8de, 0x42bd,
+  0xc8df, 0x3bcd,
+  0xc8e0, 0x389f,
+  0xc8e1, 0x379b,
+  0xc8e2, 0x38af,
+  0xc8e3, 0x3e97,
+  0xc8e4, 0x38f0,
+  0xc8e5, 0x3bfd,
+  0xc8e6, 0x3c11,
+  0xc8e8, 0x43ef,
+  0xc8e9, 0x3785,
+  0xc8ea, 0x3902,
+  0xc8eb, 0x3faa,
+  0xc8ec, 0x3f19,
+  0xc8ed, 0x3919,
+  0xc8ee, 0x43f1,
+  0xc8ef, 0x391a,
+  0xc8f1, 0x3e66,
+  0xc8f2, 0x3f22,
+  0xc8f3, 0x3d7e,
+  0xc8f4, 0x3c39,
+  0xc8f5, 0x3ea1,
+  0xc8f6, 0x43f2,
+  0xc8f8, 0x3f30,
+  0xc8f9, 0x3929,
+  0xc8fa, 0x3fbc,
+  0xc8fb, 0x3936,
+  0xc8fd, 0x3f90,
+  0xc8fe, 0x0aba,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKm314B5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKm314B5VMap2, 555
+};
+
+static Gushort cns13HKm471B5HMap2[1380] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xfa40, 0x3d6d,
+  0xfa41, 0x39c4,
+  0xfa42, 0x4399,
+  0xfa43, 0x3f4f,
+  0xfa44, 0x3e05,
+  0xfa45, 0x439a,
+  0xfa46, 0x3b8e,
+  0xfa47, 0x36ea,
+  0xfa48, 0x39c8,
+  0xfa49, 0x393d,
+  0xfa4a, 0x439b,
+  0xfa4b, 0x4022,
+  0xfa4c, 0x39cc,
+  0xfa4e, 0x439c,
+  0xfa4f, 0x39c5,
+  0xfa50, 0x439d,
+  0xfa51, 0x4034,
+  0xfa52, 0x439e,
+  0xfa54, 0x3ea3,
+  0xfa55, 0x3ea6,
+  0xfa56, 0x43a0,
+  0xfa57, 0x4051,
+  0xfa58, 0x4048,
+  0xfa5a, 0x404b,
+  0xfa5b, 0x404f,
+  0xfa5c, 0x4054,
+  0xfa5d, 0x4178,
+  0xfa5e, 0x3f0a,
+  0xfa5f, 0x43a1,
+  0xfa61, 0x405a,
+  0xfa62, 0x3ea4,
+  0xfa63, 0x3dbd,
+  0xfa64, 0x43a3,
+  0xfa65, 0x3dbf,
+  0xfa66, 0x405c,
+  0xfa67, 0x405f,
+  0xfa69, 0x4063,
+  0xfa6a, 0x43a4,
+  0xfa6b, 0x407a,
+  0xfa6d, 0x407d,
+  0xfa6e, 0x4082,
+  0xfa6f, 0x3f6d,
+  0xfa70, 0x43a5,
+  0xfa71, 0x408b,
+  0xfa72, 0x43a6,
+  0xfa73, 0x3f39,
+  0xfa74, 0x4093,
+  0xfa75, 0x4096,
+  0xfa76, 0x43a7,
+  0xfa77, 0x4098,
+  0xfa78, 0x3e7f,
+  0xfa79, 0x3c77,
+  0xfa7a, 0x3ea7,
+  0xfa7b, 0x4203,
+  0xfa7c, 0x3ed1,
+  0xfa7d, 0x3e8a,
+  0xfa7e, 0x3e98,
+  0xfaa1, 0x3e8c,
+  0xfaa2, 0x40a1,
+  0xfaa3, 0x3d83,
+  0xfaa4, 0x3a00,
+  0xfaa5, 0x39a3,
+  0xfaa6, 0x3e8d,
+  0xfaa7, 0x43a8,
+  0xfaa8, 0x3f58,
+  0xfaa9, 0x3dbc,
+  0xfaaa, 0x40a2,
+  0xfaab, 0x3ccc,
+  0xfaac, 0x3ea8,
+  0xfaae, 0x3b2e,
+  0xfaaf, 0x3bc6,
+  0xfab0, 0x3e8b,
+  0xfab1, 0x3e9f,
+  0xfab2, 0x432c,
+  0xfab3, 0x43a9,
+  0xfab4, 0x3f08,
+  0xfab5, 0x3ea5,
+  0xfab6, 0x3e89,
+  0xfab7, 0x3dc3,
+  0xfab8, 0x3e82,
+  0xfab9, 0x3e81,
+  0xfaba, 0x3e94,
+  0xfabb, 0x43aa,
+  0xfabc, 0x3e83,
+  0xfabd, 0x3e88,
+  0xfabe, 0x43ab,
+  0xfabf, 0x3e91,
+  0xfac0, 0x43ac,
+  0xfac1, 0x3e7c,
+  0xfac2, 0x3e80,
+  0xfac3, 0x3e8f,
+  0xfac4, 0x4325,
+  0xfac5, 0x3e67,
+  0xfac6, 0x3e78,
+  0xfac7, 0x3e68,
+  0xfac8, 0x43ad,
+  0xfac9, 0x37d2,
+  0xfaca, 0x3f4d,
+  0xfacb, 0x43ae,
+  0xfacc, 0x3e7e,
+  0xfacd, 0x40bc,
+  0xface, 0x3e63,
+  0xfacf, 0x40bd,
+  0xfad0, 0x43af,
+  0xfad1, 0x3f6c,
+  0xfad2, 0x3ef9,
+  0xfad3, 0x40b7,
+  0xfad4, 0x3eb7,
+  0xfad5, 0x3eed,
+  0xfad6, 0x3f6a,
+  0xfad7, 0x39a6,
+  0xfad8, 0x43b0,
+  0xfad9, 0x3e95,
+  0xfada, 0x3948,
+  0xfadb, 0x3cc8,
+  0xfadc, 0x43b1,
+  0xfadf, 0x40cc,
+  0xfae0, 0x3e86,
+  0xfae1, 0x40c8,
+  0xfae2, 0x3c7a,
+  0xfae3, 0x3c7d,
+  0xfae4, 0x43b4,
+  0xfae5, 0x40d1,
+  0xfae6, 0x3d72,
+  0xfae7, 0x40d4,
+  0xfae8, 0x3c26,
+  0xfae9, 0x36eb,
+  0xfaea, 0x40da,
+  0xfaeb, 0x40d9,
+  0xfaec, 0x40bf,
+  0xfaed, 0x3d81,
+  0xfaee, 0x40f1,
+  0xfaef, 0x4100,
+  0xfaf0, 0x3c85,
+  0xfaf1, 0x43b5,
+  0xfaf2, 0x3a1d,
+  0xfaf3, 0x37f5,
+  0xfaf4, 0x36ee,
+  0xfaf5, 0x3e5f,
+  0xfaf6, 0x4116,
+  0xfaf7, 0x42bb,
+  0xfaf8, 0x411f,
+  0xfaf9, 0x43b6,
+  0xfafa, 0x4118,
+  0xfafb, 0x43b7,
+  0xfafd, 0x4123,
+  0xfafe, 0x4122,
+  0xfb40, 0x4127,
+  0xfb41, 0x43b9,
+  0xfb42, 0x4129,
+  0xfb43, 0x43ba,
+  0xfb44, 0x3dd5,
+  0xfb45, 0x3eef,
+  0xfb46, 0x3d8a,
+  0xfb47, 0x43bb,
+  0xfb48, 0x3a2b,
+  0xfb49, 0x43bc,
+  0xfb4a, 0x4138,
+  0xfb4b, 0x43bd,
+  0xfb4c, 0x3e8e,
+  0xfb4d, 0x3a30,
+  0xfb4e, 0x386f,
+  0xfb4f, 0x4143,
+  0xfb50, 0x4146,
+  0xfb51, 0x4144,
+  0xfb52, 0x4149,
+  0xfb53, 0x3ba5,
+  0xfb54, 0x4157,
+  0xfb55, 0x43be,
+  0xfb56, 0x4161,
+  0xfb57, 0x36ec,
+  0xfb58, 0x416a,
+  0xfb59, 0x3d84,
+  0xfb5a, 0x4002,
+  0xfb5b, 0x4186,
+  0xfb5c, 0x3fba,
+  0xfb5d, 0x43bf,
+  0xfb5e, 0x3fc5,
+  0xfb5f, 0x3f50,
+  0xfb60, 0x3e96,
+  0xfb61, 0x43c0,
+  0xfb62, 0x418a,
+  0xfb63, 0x3fc1,
+  0xfb64, 0x3d8f,
+  0xfb65, 0x43c1,
+  0xfb66, 0x3ea0,
+  0xfb67, 0x3f16,
+  0xfb68, 0x3e9d,
+  0xfb69, 0x418e,
+  0xfb6a, 0x4192,
+  0xfb6b, 0x3a66,
+  0xfb6c, 0x3e9c,
+  0xfb6d, 0x438f,
+  0xfb6e, 0x3e90,
+  0xfb6f, 0x419d,
+  0xfb70, 0x43c2,
+  0xfb72, 0x4356,
+  0xfb73, 0x37a8,
+  0xfb74, 0x419e,
+  0xfb75, 0x4199,
+  0xfb76, 0x4187,
+  0xfb77, 0x3ea2,
+  0xfb78, 0x419f,
+  0xfb79, 0x3e87,
+  0xfb7a, 0x3e84,
+  0xfb7b, 0x3eae,
+  0xfb7c, 0x3b74,
+  0xfb7e, 0x37a2,
+  0xfba1, 0x3b72,
+  0xfba2, 0x3e79,
+  0xfba3, 0x3e6d,
+  0xfba4, 0x43c4,
+  0xfba6, 0x3eb2,
+  0xfba7, 0x43c6,
+  0xfba8, 0x3eac,
+  0xfba9, 0x41ca,
+  0xfbaa, 0x41f4,
+  0xfbab, 0x43c7,
+  0xfbac, 0x41d0,
+  0xfbad, 0x3aaa,
+  0xfbae, 0x41de,
+  0xfbaf, 0x41db,
+  0xfbb0, 0x41e8,
+  0xfbb1, 0x43c8,
+  0xfbb2, 0x3ff6,
+  0xfbb3, 0x41d9,
+  0xfbb4, 0x3d42,
+  0xfbb5, 0x41f5,
+  0xfbb6, 0x41f8,
+  0xfbb7, 0x41fb,
+  0xfbb8, 0x4205,
+  0xfbb9, 0x3d8e,
+  0xfbba, 0x420e,
+  0xfbbb, 0x3d63,
+  0xfbbc, 0x4222,
+  0xfbbd, 0x4221,
+  0xfbbe, 0x4223,
+  0xfbbf, 0x4069,
+  0xfbc0, 0x402f,
+  0xfbc1, 0x4242,
+  0xfbc2, 0x38a5,
+  0xfbc3, 0x4246,
+  0xfbc4, 0x3cf5,
+  0xfbc5, 0x3d69,
+  0xfbc6, 0x3cfe,
+  0xfbc7, 0x425b,
+  0xfbc8, 0x3ac8,
+  0xfbc9, 0x3dc0,
+  0xfbca, 0x39ea,
+  0xfbcb, 0x4000,
+  0xfbcc, 0x4264,
+  0xfbcd, 0x4262,
+  0xfbce, 0x3fff,
+  0xfbcf, 0x3e9a,
+  0xfbd0, 0x4273,
+  0xfbd1, 0x3969,
+  0xfbd2, 0x427a,
+  0xfbd3, 0x4283,
+  0xfbd4, 0x43c9,
+  0xfbd6, 0x3f9a,
+  0xfbd7, 0x3eb5,
+  0xfbd8, 0x43cb,
+  0xfbda, 0x3fb2,
+  0xfbdb, 0x428a,
+  0xfbdd, 0x3b17,
+  0xfbde, 0x428c,
+  0xfbdf, 0x4290,
+  0xfbe0, 0x3adf,
+  0xfbe1, 0x43cd,
+  0xfbe2, 0x42c5,
+  0xfbe3, 0x42c8,
+  0xfbe4, 0x3ead,
+  0xfbe5, 0x43ce,
+  0xfbe6, 0x3f8f,
+  0xfbe7, 0x43cf,
+  0xfbe8, 0x3e72,
+  0xfbe9, 0x3e70,
+  0xfbea, 0x43d0,
+  0xfbeb, 0x3eaa,
+  0xfbec, 0x43d1,
+  0xfbed, 0x3fa9,
+  0xfbee, 0x43d2,
+  0xfbf1, 0x42d8,
+  0xfbf2, 0x3ff3,
+  0xfbf3, 0x42e0,
+  0xfbf4, 0x3b00,
+  0xfbf5, 0x4317,
+  0xfbf6, 0x382d,
+  0xfbf7, 0x3e73,
+  0xfbf8, 0x3fd5,
+  0xfbf9, 0x43d5,
+  0xfbfb, 0x3b14,
+  0xfbfc, 0x36e8,
+  0xfbfd, 0x42f4,
+  0xfbfe, 0x3b0e,
+  0xfc40, 0x42ec,
+  0xfc41, 0x42f0,
+  0xfc42, 0x3e7d,
+  0xfc43, 0x43d7,
+  0xfc44, 0x42fe,
+  0xfc45, 0x4305,
+  0xfc46, 0x3fda,
+  0xfc47, 0x3df1,
+  0xfc48, 0x3733,
+  0xfc49, 0x3d7d,
+  0xfc4a, 0x43d8,
+  0xfc4b, 0x373a,
+  0xfc4c, 0x3740,
+  0xfc4d, 0x3742,
+  0xfc4e, 0x3746,
+  0xfc4f, 0x3752,
+  0xfc50, 0x3f1f,
+  0xfc51, 0x43d9,
+  0xfc52, 0x36ed,
+  0xfc53, 0x3b4a,
+  0xfc54, 0x375e,
+  0xfc55, 0x3b45,
+  0xfc56, 0x43da,
+  0xfc57, 0x3ede,
+  0xfc58, 0x3769,
+  0xfc59, 0x376c,
+  0xfc5a, 0x376b,
+  0xfc5b, 0x376e,
+  0xfc5c, 0x377f,
+  0xfc5d, 0x377b,
+  0xfc5e, 0x3782,
+  0xfc5f, 0x3e69,
+  0xfc60, 0x3b4f,
+  0xfc61, 0x3786,
+  0xfc62, 0x43db,
+  0xfc63, 0x3788,
+  0xfc64, 0x43dc,
+  0xfc65, 0x3ecd,
+  0xfc66, 0x3797,
+  0xfc67, 0x420d,
+  0xfc68, 0x43dd,
+  0xfc69, 0x37bc,
+  0xfc6a, 0x43de,
+  0xfc6b, 0x37d8,
+  0xfc6c, 0x3b71,
+  0xfc6d, 0x3e7a,
+  0xfc6e, 0x43df,
+  0xfc6f, 0x38dc,
+  0xfc70, 0x37e0,
+  0xfc71, 0x37ee,
+  0xfc72, 0x37f4,
+  0xfc73, 0x3813,
+  0xfc74, 0x43e0,
+  0xfc76, 0x3eb0,
+  0xfc77, 0x43e2,
+  0xfc78, 0x3fed,
+  0xfc79, 0x380d,
+  0xfc7a, 0x3eaf,
+  0xfc7b, 0x3f92,
+  0xfc7c, 0x3816,
+  0xfc7d, 0x381b,
+  0xfc7e, 0x3fa2,
+  0xfca1, 0x381c,
+  0xfca2, 0x381e,
+  0xfca4, 0x3eb1,
+  0xfca5, 0x134a,
+  0xfca6, 0x43e3,
+  0xfca7, 0x3fe9,
+  0xfca8, 0x43e4,
+  0xfca9, 0x3ff9,
+  0xfcaa, 0x3d93,
+  0xfcab, 0x43e5,
+  0xfcac, 0x3e59,
+  0xfcad, 0x43e6,
+  0xfcae, 0x3837,
+  0xfcaf, 0x3f99,
+  0xfcb0, 0x3e99,
+  0xfcb1, 0x3e5e,
+  0xfcb2, 0x3bb4,
+  0xfcb3, 0x3eab,
+  0xfcb4, 0x43e7,
+  0xfcb6, 0x385e,
+  0xfcb7, 0x43e9,
+  0xfcb8, 0x3dbe,
+  0xfcb9, 0x3e85,
+  0xfcba, 0x3863,
+  0xfcbc, 0x3d6c,
+  0xfcbd, 0x3871,
+  0xfcbe, 0x3ee0,
+  0xfcbf, 0x43ea,
+  0xfcc0, 0x387c,
+  0xfcc1, 0x43eb,
+  0xfcc2, 0x3eb8,
+  0xfcc3, 0x3882,
+  0xfcc4, 0x3e9b,
+  0xfcc5, 0x43ec,
+  0xfcc6, 0x3888,
+  0xfcc7, 0x3c0e,
+  0xfcc8, 0x382e,
+  0xfcc9, 0x389a,
+  0xfcca, 0x388b,
+  0xfccb, 0x3c04,
+  0xfccc, 0x36e9,
+  0xfccd, 0x42bd,
+  0xfcce, 0x3bcd,
+  0xfccf, 0x389f,
+  0xfcd0, 0x3dde,
+  0xfcd1, 0x379b,
+  0xfcd2, 0x3bd3,
+  0xfcd3, 0x38af,
+  0xfcd4, 0x3e97,
+  0xfcd5, 0x38d6,
+  0xfcd6, 0x3f35,
+  0xfcd7, 0x38e0,
+  0xfcd8, 0x4035,
+  0xfcd9, 0x38f0,
+  0xfcda, 0x43ed,
+  0xfcdc, 0x3bfd,
+  0xfcdd, 0x3c11,
+  0xfcdf, 0x43ef,
+  0xfce0, 0x3785,
+  0xfce1, 0x3902,
+  0xfce2, 0x3ddc,
+  0xfce3, 0x43f0,
+  0xfce4, 0x3faa,
+  0xfce5, 0x390b,
+  0xfce6, 0x3f19,
+  0xfce7, 0x390e,
+  0xfce8, 0x3919,
+  0xfce9, 0x43f1,
+  0xfcea, 0x3c3c,
+  0xfceb, 0x391a,
+  0xfcec, 0x3c3a,
+  0xfced, 0x391b,
+  0xfcee, 0x3e66,
+  0xfcef, 0x3f22,
+  0xfcf0, 0x3d7e,
+  0xfcf1, 0x3e71,
+  0xfcf2, 0x3c39,
+  0xfcf3, 0x3ea1,
+  0xfcf4, 0x43f2,
+  0xfcf6, 0x3f30,
+  0xfcf7, 0x3929,
+  0xfcf8, 0x3fbc,
+  0xfcf9, 0x3936,
+  0xfcfa, 0x43f4,
+  0xfcfb, 0x3937,
+  0xfcfc, 0x3f90,
+  0xfcfd, 0x43f5,
+  0xfcfe, 0x0aba,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKm471B5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKm471B5HMap2, 690
+};
+
+static Gushort cns13HKm471B5VMap2[1404] = {
+  0x0000, 0x0000,
+  0xa140, 0x0063,
+  0xa159, 0x35af,
+  0xa15d, 0x0080,
+  0xa1a1, 0x00a2,
+  0xa1f6, 0x00f8,
+  0xa1f7, 0x00f7,
+  0xa1f8, 0x00f9,
+  0xa240, 0x0100,
+  0xa2a1, 0x013f,
+  0xa340, 0x019d,
+  0xa3a1, 0x01dc,
+  0xa3bd, 0x01f7,
+  0xa440, 0x0253,
+  0xa4a1, 0x0292,
+  0xa540, 0x02f0,
+  0xa5a1, 0x032f,
+  0xa640, 0x038d,
+  0xa6a1, 0x03cc,
+  0xa740, 0x042a,
+  0xa7a1, 0x0469,
+  0xa840, 0x04c7,
+  0xa8a1, 0x0506,
+  0xa940, 0x0564,
+  0xa9a1, 0x05a3,
+  0xaa40, 0x0601,
+  0xaaa1, 0x0640,
+  0xab40, 0x069e,
+  0xaba1, 0x06dd,
+  0xac40, 0x073b,
+  0xaca1, 0x077a,
+  0xacfe, 0x097f,
+  0xad40, 0x07d7,
+  0xada1, 0x0816,
+  0xae40, 0x0874,
+  0xaea1, 0x08b3,
+  0xaf40, 0x0911,
+  0xafa1, 0x0950,
+  0xafd0, 0x0980,
+  0xb040, 0x09af,
+  0xb0a1, 0x09ee,
+  0xb140, 0x0a4c,
+  0xb1a1, 0x0a8b,
+  0xb240, 0x0ae9,
+  0xb2a1, 0x0b28,
+  0xb340, 0x0b86,
+  0xb3a1, 0x0bc5,
+  0xb440, 0x0c23,
+  0xb4a1, 0x0c62,
+  0xb540, 0x0cc0,
+  0xb5a1, 0x0cff,
+  0xb640, 0x0d5d,
+  0xb6a1, 0x0d9c,
+  0xb740, 0x0dfa,
+  0xb7a1, 0x0e39,
+  0xb840, 0x0e97,
+  0xb8a1, 0x0ed6,
+  0xb940, 0x0f34,
+  0xb9a1, 0x0f73,
+  0xba40, 0x0fd1,
+  0xbaa1, 0x1010,
+  0xbb40, 0x106e,
+  0xbba1, 0x10ad,
+  0xbbc8, 0x10d5,
+  0xbc40, 0x110c,
+  0xbca1, 0x114b,
+  0xbd40, 0x11a9,
+  0xbda1, 0x11e8,
+  0xbe40, 0x1246,
+  0xbe52, 0x10d4,
+  0xbe53, 0x1258,
+  0xbea1, 0x1284,
+  0xbf40, 0x12e2,
+  0xbfa1, 0x1321,
+  0xc040, 0x137f,
+  0xc0a1, 0x13be,
+  0xc140, 0x141c,
+  0xc1a1, 0x145b,
+  0xc1ab, 0x1466,
+  0xc240, 0x14ba,
+  0xc2a1, 0x14f9,
+  0xc2cb, 0x1465,
+  0xc2cc, 0x1523,
+  0xc340, 0x1556,
+  0xc361, 0x1578,
+  0xc3a1, 0x1596,
+  0xc3b9, 0x15af,
+  0xc3ba, 0x15ae,
+  0xc3bb, 0x15b0,
+  0xc440, 0x15f4,
+  0xc456, 0x1577,
+  0xc457, 0x160a,
+  0xc4a1, 0x1632,
+  0xc540, 0x1690,
+  0xc5a1, 0x16cf,
+  0xc640, 0x172d,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xfa40, 0x3d6d,
+  0xfa41, 0x39c4,
+  0xfa42, 0x4399,
+  0xfa43, 0x3f4f,
+  0xfa44, 0x3e05,
+  0xfa45, 0x439a,
+  0xfa46, 0x3b8e,
+  0xfa47, 0x36ea,
+  0xfa48, 0x39c8,
+  0xfa49, 0x393d,
+  0xfa4a, 0x439b,
+  0xfa4b, 0x4022,
+  0xfa4c, 0x39cc,
+  0xfa4e, 0x439c,
+  0xfa4f, 0x39c5,
+  0xfa50, 0x439d,
+  0xfa51, 0x4034,
+  0xfa52, 0x439e,
+  0xfa54, 0x3ea3,
+  0xfa55, 0x3ea6,
+  0xfa56, 0x43a0,
+  0xfa57, 0x4051,
+  0xfa58, 0x4048,
+  0xfa5a, 0x404b,
+  0xfa5b, 0x404f,
+  0xfa5c, 0x4054,
+  0xfa5d, 0x4178,
+  0xfa5e, 0x3f0a,
+  0xfa5f, 0x43a1,
+  0xfa61, 0x405a,
+  0xfa62, 0x3ea4,
+  0xfa63, 0x3dbd,
+  0xfa64, 0x43a3,
+  0xfa65, 0x3dbf,
+  0xfa66, 0x405c,
+  0xfa67, 0x405f,
+  0xfa69, 0x4063,
+  0xfa6a, 0x43a4,
+  0xfa6b, 0x407a,
+  0xfa6d, 0x407d,
+  0xfa6e, 0x4082,
+  0xfa6f, 0x3f6d,
+  0xfa70, 0x43a5,
+  0xfa71, 0x408b,
+  0xfa72, 0x43a6,
+  0xfa73, 0x3f39,
+  0xfa74, 0x4093,
+  0xfa75, 0x4096,
+  0xfa76, 0x43a7,
+  0xfa77, 0x4098,
+  0xfa78, 0x3e7f,
+  0xfa79, 0x3c77,
+  0xfa7a, 0x3ea7,
+  0xfa7b, 0x4203,
+  0xfa7c, 0x3ed1,
+  0xfa7d, 0x3e8a,
+  0xfa7e, 0x3e98,
+  0xfaa1, 0x3e8c,
+  0xfaa2, 0x40a1,
+  0xfaa3, 0x3d83,
+  0xfaa4, 0x3a00,
+  0xfaa5, 0x39a3,
+  0xfaa6, 0x3e8d,
+  0xfaa7, 0x43a8,
+  0xfaa8, 0x3f58,
+  0xfaa9, 0x3dbc,
+  0xfaaa, 0x40a2,
+  0xfaab, 0x3ccc,
+  0xfaac, 0x3ea8,
+  0xfaae, 0x3b2e,
+  0xfaaf, 0x3bc6,
+  0xfab0, 0x3e8b,
+  0xfab1, 0x3e9f,
+  0xfab2, 0x432c,
+  0xfab3, 0x43a9,
+  0xfab4, 0x3f08,
+  0xfab5, 0x3ea5,
+  0xfab6, 0x3e89,
+  0xfab7, 0x3dc3,
+  0xfab8, 0x3e82,
+  0xfab9, 0x3e81,
+  0xfaba, 0x3e94,
+  0xfabb, 0x43aa,
+  0xfabc, 0x3e83,
+  0xfabd, 0x3e88,
+  0xfabe, 0x43ab,
+  0xfabf, 0x3e91,
+  0xfac0, 0x43ac,
+  0xfac1, 0x3e7c,
+  0xfac2, 0x3e80,
+  0xfac3, 0x3e8f,
+  0xfac4, 0x4325,
+  0xfac5, 0x3e67,
+  0xfac6, 0x3e78,
+  0xfac7, 0x3e68,
+  0xfac8, 0x43ad,
+  0xfac9, 0x37d2,
+  0xfaca, 0x3f4d,
+  0xfacb, 0x43ae,
+  0xfacc, 0x3e7e,
+  0xfacd, 0x40bc,
+  0xface, 0x3e63,
+  0xfacf, 0x40bd,
+  0xfad0, 0x43af,
+  0xfad1, 0x3f6c,
+  0xfad2, 0x3ef9,
+  0xfad3, 0x40b7,
+  0xfad4, 0x3eb7,
+  0xfad5, 0x3eed,
+  0xfad6, 0x3f6a,
+  0xfad7, 0x39a6,
+  0xfad8, 0x43b0,
+  0xfad9, 0x3e95,
+  0xfada, 0x3948,
+  0xfadb, 0x3cc8,
+  0xfadc, 0x43b1,
+  0xfadf, 0x40cc,
+  0xfae0, 0x3e86,
+  0xfae1, 0x40c8,
+  0xfae2, 0x3c7a,
+  0xfae3, 0x3c7d,
+  0xfae4, 0x43b4,
+  0xfae5, 0x40d1,
+  0xfae6, 0x3d72,
+  0xfae7, 0x40d4,
+  0xfae8, 0x3c26,
+  0xfae9, 0x36eb,
+  0xfaea, 0x40da,
+  0xfaeb, 0x40d9,
+  0xfaec, 0x40bf,
+  0xfaed, 0x3d81,
+  0xfaee, 0x40f1,
+  0xfaef, 0x4100,
+  0xfaf0, 0x3c85,
+  0xfaf1, 0x43b5,
+  0xfaf2, 0x3a1d,
+  0xfaf3, 0x37f5,
+  0xfaf4, 0x36ee,
+  0xfaf5, 0x3e5f,
+  0xfaf6, 0x4116,
+  0xfaf7, 0x42bb,
+  0xfaf8, 0x411f,
+  0xfaf9, 0x43b6,
+  0xfafa, 0x4118,
+  0xfafb, 0x43b7,
+  0xfafd, 0x4123,
+  0xfafe, 0x4122,
+  0xfb40, 0x4127,
+  0xfb41, 0x43b9,
+  0xfb42, 0x4129,
+  0xfb43, 0x43ba,
+  0xfb44, 0x3dd5,
+  0xfb45, 0x3eef,
+  0xfb46, 0x3d8a,
+  0xfb47, 0x43bb,
+  0xfb48, 0x3a2b,
+  0xfb49, 0x43bc,
+  0xfb4a, 0x4138,
+  0xfb4b, 0x43bd,
+  0xfb4c, 0x3e8e,
+  0xfb4d, 0x3a30,
+  0xfb4e, 0x386f,
+  0xfb4f, 0x4143,
+  0xfb50, 0x4146,
+  0xfb51, 0x4144,
+  0xfb52, 0x4149,
+  0xfb53, 0x3ba5,
+  0xfb54, 0x4157,
+  0xfb55, 0x43be,
+  0xfb56, 0x4161,
+  0xfb57, 0x36ec,
+  0xfb58, 0x416a,
+  0xfb59, 0x3d84,
+  0xfb5a, 0x4002,
+  0xfb5b, 0x4186,
+  0xfb5c, 0x3fba,
+  0xfb5d, 0x43bf,
+  0xfb5e, 0x3fc5,
+  0xfb5f, 0x3f50,
+  0xfb60, 0x3e96,
+  0xfb61, 0x43c0,
+  0xfb62, 0x418a,
+  0xfb63, 0x3fc1,
+  0xfb64, 0x3d8f,
+  0xfb65, 0x43c1,
+  0xfb66, 0x3ea0,
+  0xfb67, 0x3f16,
+  0xfb68, 0x3e9d,
+  0xfb69, 0x418e,
+  0xfb6a, 0x4192,
+  0xfb6b, 0x3a66,
+  0xfb6c, 0x3e9c,
+  0xfb6d, 0x438f,
+  0xfb6e, 0x3e90,
+  0xfb6f, 0x419d,
+  0xfb70, 0x43c2,
+  0xfb72, 0x4356,
+  0xfb73, 0x37a8,
+  0xfb74, 0x419e,
+  0xfb75, 0x4199,
+  0xfb76, 0x4187,
+  0xfb77, 0x3ea2,
+  0xfb78, 0x419f,
+  0xfb79, 0x3e87,
+  0xfb7a, 0x3e84,
+  0xfb7b, 0x3eae,
+  0xfb7c, 0x3b74,
+  0xfb7e, 0x37a2,
+  0xfba1, 0x3b72,
+  0xfba2, 0x3e79,
+  0xfba3, 0x3e6d,
+  0xfba4, 0x43c4,
+  0xfba6, 0x3eb2,
+  0xfba7, 0x43c6,
+  0xfba8, 0x3eac,
+  0xfba9, 0x41ca,
+  0xfbaa, 0x41f4,
+  0xfbab, 0x43c7,
+  0xfbac, 0x41d0,
+  0xfbad, 0x3aaa,
+  0xfbae, 0x41de,
+  0xfbaf, 0x41db,
+  0xfbb0, 0x41e8,
+  0xfbb1, 0x43c8,
+  0xfbb2, 0x3ff6,
+  0xfbb3, 0x41d9,
+  0xfbb4, 0x3d42,
+  0xfbb5, 0x41f5,
+  0xfbb6, 0x41f8,
+  0xfbb7, 0x41fb,
+  0xfbb8, 0x4205,
+  0xfbb9, 0x3d8e,
+  0xfbba, 0x420e,
+  0xfbbb, 0x3d63,
+  0xfbbc, 0x4222,
+  0xfbbd, 0x4221,
+  0xfbbe, 0x4223,
+  0xfbbf, 0x4069,
+  0xfbc0, 0x402f,
+  0xfbc1, 0x4242,
+  0xfbc2, 0x38a5,
+  0xfbc3, 0x4246,
+  0xfbc4, 0x3cf5,
+  0xfbc5, 0x3d69,
+  0xfbc6, 0x3cfe,
+  0xfbc7, 0x425b,
+  0xfbc8, 0x3ac8,
+  0xfbc9, 0x3dc0,
+  0xfbca, 0x39ea,
+  0xfbcb, 0x4000,
+  0xfbcc, 0x4264,
+  0xfbcd, 0x4262,
+  0xfbce, 0x3fff,
+  0xfbcf, 0x3e9a,
+  0xfbd0, 0x4273,
+  0xfbd1, 0x3969,
+  0xfbd2, 0x427a,
+  0xfbd3, 0x4283,
+  0xfbd4, 0x43c9,
+  0xfbd6, 0x3f9a,
+  0xfbd7, 0x3eb5,
+  0xfbd8, 0x43cb,
+  0xfbda, 0x3fb2,
+  0xfbdb, 0x428a,
+  0xfbdd, 0x3b17,
+  0xfbde, 0x428c,
+  0xfbdf, 0x4290,
+  0xfbe0, 0x3adf,
+  0xfbe1, 0x43cd,
+  0xfbe2, 0x42c5,
+  0xfbe3, 0x42c8,
+  0xfbe4, 0x3ead,
+  0xfbe5, 0x43ce,
+  0xfbe6, 0x3f8f,
+  0xfbe7, 0x43cf,
+  0xfbe8, 0x3e72,
+  0xfbe9, 0x3e70,
+  0xfbea, 0x43d0,
+  0xfbeb, 0x3eaa,
+  0xfbec, 0x43d1,
+  0xfbed, 0x3fa9,
+  0xfbee, 0x43d2,
+  0xfbf1, 0x42d8,
+  0xfbf2, 0x3ff3,
+  0xfbf3, 0x42e0,
+  0xfbf4, 0x3b00,
+  0xfbf5, 0x4317,
+  0xfbf6, 0x382d,
+  0xfbf7, 0x3e73,
+  0xfbf8, 0x3fd5,
+  0xfbf9, 0x43d5,
+  0xfbfb, 0x3b14,
+  0xfbfc, 0x36e8,
+  0xfbfd, 0x42f4,
+  0xfbfe, 0x3b0e,
+  0xfc40, 0x42ec,
+  0xfc41, 0x42f0,
+  0xfc42, 0x3e7d,
+  0xfc43, 0x43d7,
+  0xfc44, 0x42fe,
+  0xfc45, 0x4305,
+  0xfc46, 0x3fda,
+  0xfc47, 0x3df1,
+  0xfc48, 0x3733,
+  0xfc49, 0x3d7d,
+  0xfc4a, 0x43d8,
+  0xfc4b, 0x373a,
+  0xfc4c, 0x3740,
+  0xfc4d, 0x3742,
+  0xfc4e, 0x3746,
+  0xfc4f, 0x3752,
+  0xfc50, 0x3f1f,
+  0xfc51, 0x43d9,
+  0xfc52, 0x36ed,
+  0xfc53, 0x3b4a,
+  0xfc54, 0x375e,
+  0xfc55, 0x3b45,
+  0xfc56, 0x43da,
+  0xfc57, 0x3ede,
+  0xfc58, 0x3769,
+  0xfc59, 0x376c,
+  0xfc5a, 0x376b,
+  0xfc5b, 0x376e,
+  0xfc5c, 0x377f,
+  0xfc5d, 0x377b,
+  0xfc5e, 0x3782,
+  0xfc5f, 0x3e69,
+  0xfc60, 0x3b4f,
+  0xfc61, 0x3786,
+  0xfc62, 0x43db,
+  0xfc63, 0x3788,
+  0xfc64, 0x43dc,
+  0xfc65, 0x3ecd,
+  0xfc66, 0x3797,
+  0xfc67, 0x420d,
+  0xfc68, 0x43dd,
+  0xfc69, 0x37bc,
+  0xfc6a, 0x43de,
+  0xfc6b, 0x37d8,
+  0xfc6c, 0x3b71,
+  0xfc6d, 0x3e7a,
+  0xfc6e, 0x43df,
+  0xfc6f, 0x38dc,
+  0xfc70, 0x37e0,
+  0xfc71, 0x37ee,
+  0xfc72, 0x37f4,
+  0xfc73, 0x3813,
+  0xfc74, 0x43e0,
+  0xfc76, 0x3eb0,
+  0xfc77, 0x43e2,
+  0xfc78, 0x3fed,
+  0xfc79, 0x380d,
+  0xfc7a, 0x3eaf,
+  0xfc7b, 0x3f92,
+  0xfc7c, 0x3816,
+  0xfc7d, 0x381b,
+  0xfc7e, 0x3fa2,
+  0xfca1, 0x381c,
+  0xfca2, 0x381e,
+  0xfca4, 0x3eb1,
+  0xfca5, 0x134a,
+  0xfca6, 0x43e3,
+  0xfca7, 0x3fe9,
+  0xfca8, 0x43e4,
+  0xfca9, 0x3ff9,
+  0xfcaa, 0x3d93,
+  0xfcab, 0x43e5,
+  0xfcac, 0x3e59,
+  0xfcad, 0x43e6,
+  0xfcae, 0x3837,
+  0xfcaf, 0x3f99,
+  0xfcb0, 0x3e99,
+  0xfcb1, 0x3e5e,
+  0xfcb2, 0x3bb4,
+  0xfcb3, 0x3eab,
+  0xfcb4, 0x43e7,
+  0xfcb6, 0x385e,
+  0xfcb7, 0x43e9,
+  0xfcb8, 0x3dbe,
+  0xfcb9, 0x3e85,
+  0xfcba, 0x3863,
+  0xfcbc, 0x3d6c,
+  0xfcbd, 0x3871,
+  0xfcbe, 0x3ee0,
+  0xfcbf, 0x43ea,
+  0xfcc0, 0x387c,
+  0xfcc1, 0x43eb,
+  0xfcc2, 0x3eb8,
+  0xfcc3, 0x3882,
+  0xfcc4, 0x3e9b,
+  0xfcc5, 0x43ec,
+  0xfcc6, 0x3888,
+  0xfcc7, 0x3c0e,
+  0xfcc8, 0x382e,
+  0xfcc9, 0x389a,
+  0xfcca, 0x388b,
+  0xfccb, 0x3c04,
+  0xfccc, 0x36e9,
+  0xfccd, 0x42bd,
+  0xfcce, 0x3bcd,
+  0xfccf, 0x389f,
+  0xfcd0, 0x3dde,
+  0xfcd1, 0x379b,
+  0xfcd2, 0x3bd3,
+  0xfcd3, 0x38af,
+  0xfcd4, 0x3e97,
+  0xfcd5, 0x38d6,
+  0xfcd6, 0x3f35,
+  0xfcd7, 0x38e0,
+  0xfcd8, 0x4035,
+  0xfcd9, 0x38f0,
+  0xfcda, 0x43ed,
+  0xfcdc, 0x3bfd,
+  0xfcdd, 0x3c11,
+  0xfcdf, 0x43ef,
+  0xfce0, 0x3785,
+  0xfce1, 0x3902,
+  0xfce2, 0x3ddc,
+  0xfce3, 0x43f0,
+  0xfce4, 0x3faa,
+  0xfce5, 0x390b,
+  0xfce6, 0x3f19,
+  0xfce7, 0x390e,
+  0xfce8, 0x3919,
+  0xfce9, 0x43f1,
+  0xfcea, 0x3c3c,
+  0xfceb, 0x391a,
+  0xfcec, 0x3c3a,
+  0xfced, 0x391b,
+  0xfcee, 0x3e66,
+  0xfcef, 0x3f22,
+  0xfcf0, 0x3d7e,
+  0xfcf1, 0x3e71,
+  0xfcf2, 0x3c39,
+  0xfcf3, 0x3ea1,
+  0xfcf4, 0x43f2,
+  0xfcf6, 0x3f30,
+  0xfcf7, 0x3929,
+  0xfcf8, 0x3fbc,
+  0xfcf9, 0x3936,
+  0xfcfa, 0x43f4,
+  0xfcfb, 0x3937,
+  0xfcfc, 0x3f90,
+  0xfcfd, 0x43f5,
+  0xfcfe, 0x0aba,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKm471B5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKm471B5VMap2, 702
+};
+
+static Gushort cns13HKscsB5HMap2[2258] = {
+  0x0000, 0x0000,
+  0x8840, 0x44c9,
+  0x8856, 0x4961,
+  0x88a1, 0x498a,
+  0x88a9, 0x499c,
+  0x8940, 0x4534,
+  0x8943, 0x4536,
+  0x8946, 0x4537,
+  0x894c, 0x453b,
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+  0xfbce, 0x4112,
+  0xfbf4, 0x4138,
+  0xfbfa, 0x413e,
+  0xfc40, 0x4143,
+  0xfc4a, 0x494d,
+  0xfc4b, 0x414d,
+  0xfc50, 0x4151,
+  0xfc52, 0x494e,
+  0xfc53, 0x4153,
+  0xfc63, 0x494f,
+  0xfc64, 0x4163,
+  0xfc6d, 0x4950,
+  0xfc6e, 0x416d,
+  0xfc75, 0x4951,
+  0xfc76, 0x4174,
+  0xfca1, 0x417d,
+  0xfcba, 0x4195,
+  0xfcbc, 0x4952,
+  0xfcbe, 0x4198,
+  0xfccc, 0x4954,
+  0xfccd, 0x41a7,
+  0xfce3, 0x4955,
+  0xfce4, 0x41bd,
+  0xfcee, 0x4956,
+  0xfcef, 0x41c7,
+  0xfcf2, 0x41ca,
+  0xfd40, 0x41d7,
+  0xfd49, 0x4957,
+  0xfd4a, 0x41e0,
+  0xfd6a, 0x4958,
+  0xfd6b, 0x4201,
+  0xfda1, 0x4215,
+  0xfdb9, 0x422d,
+  0xfdbc, 0x4230,
+  0xfde3, 0x4959,
+  0xfde4, 0x4258,
+  0xfdf2, 0x495a,
+  0xfdf3, 0x4266,
+  0xfe40, 0x4272,
+  0xfe53, 0x4285,
+  0xfe6d, 0x495b,
+  0xfe6e, 0x429f,
+  0xfe70, 0x42a1,
+  0xfe78, 0x495c,
+  0xfe79, 0x42a9,
+  0xfea1, 0x42af,
+  0xfeab, 0x42b8,
+  0xfede, 0x495d,
+  0xfee0, 0x42eb,
+  0xfeed, 0x495f,
+  0xfeef, 0x42f8,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKscsB5HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKscsB5HMap2, 1129
+};
+
+static Gushort cns13HKscsB5VMap2[2284] = {
+  0x0000, 0x0000,
+  0x8840, 0x44c9,
+  0x8856, 0x4961,
+  0x88a1, 0x498a,
+  0x88a9, 0x499c,
+  0x8940, 0x4534,
+  0x8943, 0x4536,
+  0x8946, 0x4537,
+  0x894c, 0x453b,
+  0x894d, 0x43c3,
+  0x894e, 0x453c,
+  0x8951, 0x439a,
+  0x8952, 0x453f,
+  0x89a1, 0x456c,
+  0x89a6, 0x43a2,
+  0x89ab, 0x43ec,
+  0x89ac, 0x4571,
+  0x89ad, 0x43eb,
+  0x89ae, 0x4572,
+  0x89b0, 0x4573,
+  0x89b5, 0x4576,
+  0x89c1, 0x4581,
+  0x89c5, 0x4584,
+  0x89cf, 0x43bc,
+  0x89d0, 0x458e,
+  0x89d9, 0x439c,
+  0x89da, 0x4597,
+  0x89db, 0x439e,
+  0x89dc, 0x4598,
+  0x89dd, 0x439f,
+  0x89de, 0x4599,
+  0x89e1, 0x43a1,
+  0x89e2, 0x459c,
+  0x89e3, 0x43a3,
+  0x89e4, 0x459d,
+  0x89ea, 0x43a5,
+  0x89ec, 0x45a3,
+  0x89fa, 0x43a9,
+  0x89fb, 0x45b1,
+  0x8a40, 0x45b5,
+  0x8a41, 0x4309,
+  0x8a43, 0x430b,
+  0x8a4d, 0x45b6,
+  0x8a4e, 0x4316,
+  0x8a5a, 0x45b7,
+  0x8a5b, 0x4323,
+  0x8a5e, 0x45b8,
+  0x8a5f, 0x4327,
+  0x8a64, 0x432c,
+  0x8a71, 0x45b9,
+  0x8a72, 0x433a,
+  0x8a76, 0x433e,
+  0x8a77, 0x45ba,
+  0x8a78, 0x4340,
+  0x8a7a, 0x45bb,
+  0x8a7b, 0x4343,
+  0x8a7c, 0x45bc,
+  0x8a7d, 0x4345,
+  0x8a7e, 0x45bd,
+  0x8aa1, 0x4347,
+  0x8aa8, 0x45be,
+  0x8aa9, 0x434f,
+  0x8aac, 0x4352,
+  0x8ab2, 0x4358,
+  0x8ab6, 0x45bf,
+  0x8ab7, 0x435d,
+  0x8ab8, 0x45c0,
+  0x8ab9, 0x435f,
+  0x8abb, 0x4361,
+  0x8ac9, 0x436f,
+  0x8acc, 0x45c1,
+  0x8ace, 0x4374,
+  0x8ad6, 0x45c2,
+  0x8ad8, 0x437e,
+  0x8adf, 0x4385,
+  0x8ae6, 0x45c4,
+  0x8ae7, 0x43db,
+  0x8ae8, 0x45c5,
+  0x8af6, 0x45d2,
+  0x8b40, 0x45db,
+  0x8b41, 0x438c,
+  0x8b43, 0x45dc,
+  0x8b45, 0x438e,
+  0x8b46, 0x45de,
+  0x8b47, 0x438f,
+  0x8b48, 0x45df,
+  0x8b49, 0x4390,
+  0x8b4a, 0x45e0,
+  0x8b4b, 0x4391,
+  0x8b4c, 0x45e1,
+  0x8b4d, 0x4392,
+  0x8b51, 0x45e2,
+  0x8b55, 0x45e5,
+  0x8b58, 0x4397,
+  0x8b59, 0x45e8,
+  0x8b5a, 0x4398,
+  0x8b5b, 0x43c4,
+  0x8b5c, 0x45e9,
+  0x8b61, 0x43a7,
+  0x8b62, 0x45ee,
+  0x8b68, 0x43ac,
+  0x8b69, 0x45f4,
+  0x8ba1, 0x460a,
+  0x8bc0, 0x44df,
+  0x8bde, 0x44fc,
+  0x8d60, 0x4629,
+  0x8d62, 0x43ba,
+  0x8d63, 0x462b,
+  0x8d68, 0x43bb,
+  0x8d69, 0x43a0,
+  0x8d6a, 0x43bd,
+  0x8d6b, 0x4630,
+  0x8d6e, 0x43be,
+  0x8d6f, 0x4633,
+  0x8d76, 0x43bf,
+  0x8d77, 0x463a,
+  0x8d7a, 0x43c0,
+  0x8d7b, 0x463d,
+  0x8d7c, 0x43c1,
+  0x8d7d, 0x463e,
+  0x8da1, 0x4640,
+  0x8da5, 0x43c2,
+  0x8da6, 0x4644,
+  0x8da8, 0x43b9,
+  0x8da9, 0x43ad,
+  0x8daa, 0x4646,
+  0x8db6, 0x43c7,
+  0x8db7, 0x4652,
+  0x8dc3, 0x43c8,
+  0x8dc4, 0x465e,
+  0x8dfa, 0x43f9,
+  0x8dfb, 0x4694,
+  0x8e40, 0x372b,
+  0x8e45, 0x4698,
+  0x8e46, 0x3730,
+  0x8e6a, 0x3754,
+  0x8e6b, 0x4699,
+  0x8e6d, 0x3756,
+  0x8e70, 0x3759,
+  0x8e76, 0x469b,
+  0x8e77, 0x375f,
+  0x8e7b, 0x469c,
+  0x8e7c, 0x3764,
+  0x8ea1, 0x3766,
+  0x8ea6, 0x469d,
+  0x8ea7, 0x376b,
+  0x8eac, 0x3770,
+  0x8eb5, 0x3779,
+  0x8eb8, 0x469e,
+  0x8eb9, 0x377d,
+  0x8ec9, 0x469f,
+  0x8eca, 0x378d,
+  0x8ece, 0x3791,
+  0x8ed1, 0x3794,
+  0x8ee5, 0x46a0,
+  0x8ee6, 0x37a8,
+  0x8eef, 0x46a1,
+  0x8ef0, 0x37b1,
+  0x8ef6, 0x46a2,
+  0x8ef7, 0x37b8,
+  0x8f40, 0x37c0,
+  0x8f58, 0x37d8,
+  0x8f59, 0x46a3,
+  0x8f5a, 0x37d9,
+  0x8f5f, 0x46a4,
+  0x8f60, 0x37de,
+  0x8f67, 0x46a5,
+  0x8f68, 0x37e5,
+  0x8f6a, 0x37e7,
+  0x8f6f, 0x37ec,
+  0x8f79, 0x46a6,
+  0x8f7a, 0x37f7,
+  0x8fa1, 0x37fc,
+  0x8fb0, 0x46a7,
+  0x8fb1, 0x380c,
+  0x8fc5, 0x46a8,
+  0x8fc6, 0x3820,
+  0x8fc7, 0x46a9,
+  0x8fc8, 0x3821,
+  0x8fca, 0x46aa,
+  0x8fcd, 0x3826,
+  0x8fda, 0x46ab,
+  0x8fdb, 0x3833,
+  0x8fe3, 0x46ac,
+  0x8fe4, 0x383c,
+  0x8ffc, 0x46ad,
+  0x8ffd, 0x3854,
+  0x9040, 0x3856,
+  0x9055, 0x46ae,
+  0x9056, 0x386c,
+  0x905c, 0x46af,
+  0x905f, 0x3873,
+  0x906e, 0x3882,
+  0x906f, 0x46b2,
+  0x9070, 0x3883,
+  0x907b, 0x388d,
+  0x90a1, 0x3891,
+  0x90a6, 0x46b3,
+  0x90a7, 0x3896,
+  0x90b8, 0x46b4,
+  0x90b9, 0x38a7,
+  0x90dd, 0x38cb,
+  0x90f2, 0x38e0,
+  0x9140, 0x38ed,
+  0x9165, 0x46b5,
+  0x9166, 0x3912,
+  0x916e, 0x46b6,
+  0x916f, 0x391a,
+  0x917e, 0x46b7,
+  0x91a1, 0x3929,
+  0x91a2, 0x46b8,
+  0x91a3, 0x392a,
+  0x91c0, 0x3947,
+  0x91c8, 0x46b9,
+  0x91c9, 0x3950,
+  0x9240, 0x3986,
+  0x9245, 0x398b,
+  0x9264, 0x46ba,
+  0x9265, 0x39ab,
+  0x926d, 0x46bb,
+  0x926e, 0x39b4,
+  0x92a1, 0x39c5,
+  0x92b3, 0x39d3,
+  0x92c9, 0x39e9,
+  0x92d2, 0x39f2,
+  0x92e5, 0x46bc,
+  0x92e6, 0x3a05,
+  0x92f2, 0x46bd,
+  0x92f3, 0x3a11,
+  0x9340, 0x3a1d,
+  0x9368, 0x46be,
+  0x9369, 0x3a45,
+  0x93a1, 0x3a5b,
+  0x93aa, 0x46bf,
+  0x93ab, 0x3a64,
+  0x93c2, 0x46c0,
+  0x93c3, 0x3a7b,
+  0x93e5, 0x46c1,
+  0x93e6, 0x3a9d,
+  0x93e8, 0x46c2,
+  0x93e9, 0x3aa0,
+  0x93eb, 0x46c3,
+  0x93ec, 0x3aa2,
+  0x9440, 0x3ab5,
+  0x9446, 0x46c4,
+  0x9448, 0x3abc,
+  0x9479, 0x46c5,
+  0x947a, 0x3aee,
+  0x94a1, 0x3af3,
+  0x94cb, 0x46c6,
+  0x94cc, 0x3b1e,
+  0x9540, 0x3b51,
+  0x954d, 0x46c7,
+  0x954e, 0x3b5e,
+  0x955a, 0x46c8,
+  0x955b, 0x3b6a,
+  0x955f, 0x46c9,
+  0x9560, 0x3b6f,
+  0x95a1, 0x3b8e,
+  0x95c6, 0x46ca,
+  0x95c7, 0x3bb3,
+  0x95da, 0x3bc6,
+  0x9640, 0x3beb,
+  0x9645, 0x3bf0,
+  0x9651, 0x46cb,
+  0x9652, 0x3bfd,
+  0x966a, 0x46cc,
+  0x966b, 0x3c16,
+  0x96a1, 0x3c2a,
+  0x96d4, 0x46cd,
+  0x96d5, 0x3c5d,
+  0x96ee, 0x3c76,
+  0x96fd, 0x3c85,
+  0x9740, 0x3c87,
+  0x97a1, 0x3cc6,
+  0x9840, 0x3d24,
+  0x9844, 0x46ce,
+  0x9846, 0x3d2a,
+  0x986f, 0x46d0,
+  0x9870, 0x3d54,
+  0x9875, 0x46d1,
+  0x9877, 0x3d59,
+  0x9878, 0x46d3,
+  0x987a, 0x3d5a,
+  0x987b, 0x46d5,
+  0x98a1, 0x46d9,
+  0x98a3, 0x3d5b,
+  0x98a4, 0x46db,
+  0x98af, 0x3d5c,
+  0x98b0, 0x46e6,
+  0x98b4, 0x43ca,
+  0x98b5, 0x46ea,
+  0x98b6, 0x3d5d,
+  0x98b7, 0x46eb,
+  0x98b8, 0x43cc,
+  0x98b9, 0x3d5e,
+  0x98ba, 0x46ec,
+  0x98bb, 0x43fa,
+  0x98bc, 0x46ed,
+  0x98bd, 0x3d5f,
+  0x98bf, 0x46ee,
+  0x98c2, 0x3d61,
+  0x98c3, 0x46f1,
+  0x98c4, 0x3d62,
+  0x98c5, 0x46f2,
+  0x98c6, 0x3d63,
+  0x98c8, 0x46f3,
+  0x98d2, 0x43cd,
+  0x98d3, 0x46fd,
+  0x98d8, 0x43ce,
+  0x98da, 0x4702,
+  0x98db, 0x43d1,
+  0x98dc, 0x4703,
+  0x98df, 0x43d4,
+  0x98e0, 0x4706,
+  0x98e3, 0x3d65,
+  0x98e4, 0x4709,
+  0x98e7, 0x3d66,
+  0x98e8, 0x470c,
+  0x98ed, 0x3d67,
+  0x98ee, 0x4711,
+  0x98f0, 0x3d68,
+  0x98f1, 0x4713,
+  0x98f2, 0x3d69,
+  0x98f3, 0x4714,
+  0x98f4, 0x43d5,
+  0x98f6, 0x4715,
+  0x98fc, 0x3d6a,
+  0x98fd, 0x471b,
+  0x98fe, 0x43d7,
+  0x9940, 0x471c,
+  0x9942, 0x43fc,
+  0x9943, 0x3d6b,
+  0x9944, 0x471e,
+  0x9945, 0x3d6c,
+  0x9946, 0x471f,
+  0x9947, 0x43d8,
+  0x9948, 0x4720,
+  0x994f, 0x3d6d,
+  0x9950, 0x4727,
+  0x9954, 0x43d9,
+  0x9955, 0x472b,
+  0x995c, 0x43da,
+  0x995d, 0x4732,
+  0x9964, 0x43dc,
+  0x9965, 0x4739,
+  0x996a, 0x3d6e,
+  0x996b, 0x473e,
+  0x996e, 0x3d6f,
+  0x996f, 0x4741,
+  0x9975, 0x3d70,
+  0x9976, 0x4747,
+  0x9978, 0x3d71,
+  0x9979, 0x4749,
+  0x99a1, 0x474f,
+  0x99a2, 0x3d72,
+  0x99a3, 0x4750,
+  0x99a4, 0x43c5,
+  0x99a5, 0x4751,
+  0x99a6, 0x43c6,
+  0x99a7, 0x4752,
+  0x99ae, 0x3d73,
+  0x99af, 0x4759,
+  0x99b2, 0x43de,
+  0x99b3, 0x475c,
+  0x99b6, 0x3d74,
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+  0xc6e0, 0x35ba,
+  0xc740, 0x35d9,
+  0xc7a1, 0x3618,
+  0xc840, 0x3676,
+  0xc8a1, 0x36b5,
+  0xc8cd, 0x36e1,
+  0xc8d4, 0x44c6,
+  0xc8d7, 0x451c,
+  0xc8e0, 0x02dc,
+  0xc8e1, 0x4525,
+  0xc8e9, 0x0509,
+  0xc8ea, 0x452d,
+  0xc8f1, 0x09f6,
+  0xc8f5, 0x4992,
+  0xc940, 0x176c,
+  0xc94a, 0x0274,
+  0xc94b, 0x1776,
+  0xc96c, 0x1798,
+  0xc9a1, 0x17ab,
+  0xc9be, 0x1797,
+  0xc9bf, 0x17c8,
+  0xc9ed, 0x17f7,
+  0xca40, 0x1809,
+  0xcaa1, 0x1848,
+  0xcaf7, 0x17f6,
+  0xcaf8, 0x189e,
+  0xcb40, 0x18a5,
+  0xcba1, 0x18e4,
+  0xcc40, 0x1942,
+  0xcca1, 0x1981,
+  0xcd40, 0x19df,
+  0xcda1, 0x1a1e,
+  0xce40, 0x1a7c,
+  0xcea1, 0x1abb,
+  0xcf40, 0x1b19,
+  0xcfa1, 0x1b58,
+  0xd040, 0x1bb6,
+  0xd0a1, 0x1bf5,
+  0xd140, 0x1c53,
+  0xd1a1, 0x1c92,
+  0xd240, 0x1cf0,
+  0xd2a1, 0x1d2f,
+  0xd340, 0x1d8d,
+  0xd3a1, 0x1dcc,
+  0xd440, 0x1e2a,
+  0xd4a1, 0x1e69,
+  0xd540, 0x1ec7,
+  0xd5a1, 0x1f06,
+  0xd640, 0x1f64,
+  0xd6a1, 0x1fa3,
+  0xd6cc, 0x2254,
+  0xd6cd, 0x1fcf,
+  0xd740, 0x2001,
+  0xd77a, 0x22b9,
+  0xd77b, 0x203b,
+  0xd7a1, 0x203f,
+  0xd840, 0x209d,
+  0xd8a1, 0x20dc,
+  0xd940, 0x213a,
+  0xd9a1, 0x2179,
+  0xda40, 0x21d7,
+  0xdaa1, 0x2216,
+  0xdadf, 0x1fce,
+  0xdae0, 0x2255,
+  0xdb40, 0x2274,
+  0xdba1, 0x22b3,
+  0xdba7, 0x22ba,
+  0xdc40, 0x2312,
+  0xdca1, 0x2351,
+  0xdd40, 0x23af,
+  0xdda1, 0x23ee,
+  0xddfc, 0x2381,
+  0xddfd, 0x2449,
+  0xde40, 0x244b,
+  0xdea1, 0x248a,
+  0xdf40, 0x24e8,
+  0xdfa1, 0x2527,
+  0xe040, 0x2585,
+  0xe0a1, 0x25c4,
+  0xe140, 0x2622,
+  0xe1a1, 0x2661,
+  0xe240, 0x26bf,
+  0xe2a1, 0x26fe,
+  0xe340, 0x275c,
+  0xe3a1, 0x279b,
+  0xe440, 0x27f9,
+  0xe4a1, 0x2838,
+  0xe540, 0x2896,
+  0xe5a1, 0x28d5,
+  0xe640, 0x2933,
+  0xe6a1, 0x2972,
+  0xe740, 0x29d0,
+  0xe7a1, 0x2a0f,
+  0xe840, 0x2a6d,
+  0xe8a1, 0x2aac,
+  0xe8a3, 0x2aaf,
+  0xe940, 0x2b0b,
+  0xe976, 0x2b42,
+  0xe9a1, 0x2b4b,
+  0xea40, 0x2ba9,
+  0xeaa1, 0x2be8,
+  0xeb40, 0x2c46,
+  0xeb5b, 0x2c62,
+  0xeba1, 0x2c86,
+  0xebf1, 0x2aae,
+  0xebf2, 0x2cd6,
+  0xec40, 0x2ce3,
+  0xeca1, 0x2d22,
+  0xecde, 0x2b41,
+  0xecdf, 0x2d5f,
+  0xed40, 0x2d7f,
+  0xeda1, 0x2dbe,
+  0xedaa, 0x2dc8,
+  0xee40, 0x2e1d,
+  0xeea1, 0x2e5c,
+  0xeeeb, 0x3014,
+  0xeeec, 0x2ea6,
+  0xef40, 0x2eb9,
+  0xefa1, 0x2ef8,
+  0xf040, 0x2f56,
+  0xf056, 0x2dc7,
+  0xf057, 0x2f6c,
+  0xf0a1, 0x2f94,
+  0xf0cb, 0x2c61,
+  0xf0cc, 0x2fbe,
+  0xf140, 0x2ff1,
+  0xf163, 0x3015,
+  0xf16b, 0x3160,
+  0xf16c, 0x301d,
+  0xf1a1, 0x3030,
+  0xf240, 0x308e,
+  0xf268, 0x31ef,
+  0xf269, 0x30b6,
+  0xf2a1, 0x30cc,
+  0xf2c3, 0x30ef,
+  0xf340, 0x312b,
+  0xf375, 0x3161,
+  0xf3a1, 0x316b,
+  0xf440, 0x31c9,
+  0xf466, 0x31f0,
+  0xf4a1, 0x3209,
+  0xf4b5, 0x30ee,
+  0xf4b6, 0x321d,
+  0xf4fd, 0x3265,
+  0xf540, 0x3267,
+  0xf5a1, 0x32a6,
+  0xf640, 0x3304,
+  0xf663, 0x3264,
+  0xf664, 0x3327,
+  0xf6a1, 0x3342,
+  0xf740, 0x33a0,
+  0xf7a1, 0x33df,
+  0xf840, 0x343d,
+  0xf8a1, 0x347c,
+  0xf940, 0x34da,
+  0xf977, 0x3512,
+  0xf9a1, 0x351a,
+  0xf9c4, 0x3511,
+  0xf9c5, 0x353d,
+  0xf9c6, 0x3549,
+  0xf9c7, 0x353e,
+  0xf9d2, 0x354a,
+  0xf9d6, 0x36e8,
+  0xfa40, 0x400b,
+  0xfa60, 0x402b,
+  0xfa67, 0x4032,
+  0xfaa1, 0x404a,
+  0xfaa9, 0x4946,
+  0xfaab, 0x4054,
+  0xfabe, 0x4067,
+  0xfac6, 0x406f,
+  0xfad6, 0x407f,
+  0xfb40, 0x40a8,
+  0xfb49, 0x40b1,
+  0xfb53, 0x4948,
+  0xfb54, 0x40bc,
+  0xfb6e, 0x4949,
+  0xfb6f, 0x40d7,
+  0xfba1, 0x40e7,
+  0xfba3, 0x494a,
+  0xfba4, 0x40ea,
+  0xfbb9, 0x40ff,
+  0xfbbf, 0x494b,
+  0xfbc0, 0x4105,
+  0xfbcd, 0x494c,
+  0xfbce, 0x4112,
+  0xfbf4, 0x4138,
+  0xfbfa, 0x413e,
+  0xfc40, 0x4143,
+  0xfc4a, 0x494d,
+  0xfc4b, 0x414d,
+  0xfc50, 0x4151,
+  0xfc52, 0x494e,
+  0xfc53, 0x4153,
+  0xfc63, 0x494f,
+  0xfc64, 0x4163,
+  0xfc6d, 0x4950,
+  0xfc6e, 0x416d,
+  0xfc75, 0x4951,
+  0xfc76, 0x4174,
+  0xfca1, 0x417d,
+  0xfcba, 0x4195,
+  0xfcbc, 0x4952,
+  0xfcbe, 0x4198,
+  0xfccc, 0x4954,
+  0xfccd, 0x41a7,
+  0xfce3, 0x4955,
+  0xfce4, 0x41bd,
+  0xfcee, 0x4956,
+  0xfcef, 0x41c7,
+  0xfcf2, 0x41ca,
+  0xfd40, 0x41d7,
+  0xfd49, 0x4957,
+  0xfd4a, 0x41e0,
+  0xfd6a, 0x4958,
+  0xfd6b, 0x4201,
+  0xfda1, 0x4215,
+  0xfdb9, 0x422d,
+  0xfdbc, 0x4230,
+  0xfde3, 0x4959,
+  0xfde4, 0x4258,
+  0xfdf2, 0x495a,
+  0xfdf3, 0x4266,
+  0xfe40, 0x4272,
+  0xfe53, 0x4285,
+  0xfe6d, 0x495b,
+  0xfe6e, 0x429f,
+  0xfe70, 0x42a1,
+  0xfe78, 0x495c,
+  0xfe79, 0x42a9,
+  0xfea1, 0x42af,
+  0xfeab, 0x42b8,
+  0xfede, 0x495d,
+  0xfee0, 0x42eb,
+  0xfeed, 0x495f,
+  0xfeef, 0x42f8,
+  0xa14b, 0x354e,
+  0xa15a, 0x35af,
+  0xa15c, 0x35b1,
+  0xa15d, 0x0082,
+  0xa161, 0x0086,
+  0xa165, 0x008a,
+  0xa169, 0x008e,
+  0xa16d, 0x0092,
+  0xa171, 0x0096,
+  0xa175, 0x009a,
+  0xa179, 0x009e,
+  0xa1e3, 0x354f,
+  0xc6e4, 0x3711,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13HKscsB5VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13HKscsB5VMap2, 1142
+};
+
+static Gushort cns13UniCNSUCS2HMap2[30910] = {
+  0x0000, 0x0000,
+  0x0020, 0x0001,
+  0x00a2, 0x0106,
+  0x00a5, 0x0104,
+  0x00a7, 0x00b2,
+  0x00a8, 0x35b3,
+  0x00ac, 0x36e1,
+  0x00b0, 0x0118,
+  0x00b1, 0x00d4,
+  0x00b7, 0x0073,
+  0x00c0, 0x4964,
+  0x00c1, 0x4962,
+  0x00c8, 0x4968,
+  0x00c9, 0x4966,
+  0x00ca, 0x4971,
+  0x00d2, 0x496c,
+  0x00d3, 0x496a,
+  0x00d7, 0x00d2,
+  0x00e0, 0x4975,
+  0x00e1, 0x4973,
+  0x00e8, 0x497a,
+  0x00e9, 0x4978,
+  0x00ea, 0x4990,
+  0x00ec, 0x497e,
+  0x00ed, 0x497c,
+  0x00f2, 0x4982,
+  0x00f3, 0x4980,
+  0x00f7, 0x00d3,
+  0x00f8, 0x4998,
+  0x00f9, 0x4986,
+  0x00fa, 0x4984,
+  0x00fc, 0x498b,
+  0x0100, 0x4961,
+  0x0101, 0x4972,
+  0x0112, 0x4965,
+  0x0113, 0x4977,
+  0x011a, 0x4967,
+  0x011b, 0x4979,
+  0x012b, 0x497b,
+  0x014b, 0x4999,
+  0x014c, 0x4969,
+  0x014d, 0x497f,
+  0x0153, 0x4997,
+  0x016b, 0x4983,
+  0x01cd, 0x4963,
+  0x01ce, 0x4974,
+  0x01d0, 0x497d,
+  0x01d1, 0x496b,
+  0x01d2, 0x4981,
+  0x01d4, 0x4985,
+  0x01d6, 0x4987,
+  0x01d8, 0x4988,
+  0x01da, 0x4989,
+  0x01dc, 0x498a,
+  0x0250, 0x4993,
+  0x0251, 0x4976,
+  0x0254, 0x4995,
+  0x025b, 0x4994,
+  0x0261, 0x4991,
+  0x026a, 0x499b,
+  0x0275, 0x4996,
+  0x0283, 0x4992,
+  0x028a, 0x499a,
+  0x02c6, 0x35b4,
+  0x02c7, 0x01f8,
+  0x02ca, 0x01f7,
+  0x02cb, 0x01f9,
+  0x02d9, 0x01f6,
+  0x0308, 0x35b3,
+  0x0391, 0x01a1,
+  0x03a3, 0x01b2,
+  0x03b1, 0x01b9,
+  0x03c3, 0x01ca,
+  0x0401, 0x3670,
+  0x0410, 0x366a,
+  0x0416, 0x3671,
+  0x0436, 0x3692,
+  0x0451, 0x3691,
+  0x1ebe, 0x496e,
+  0x1ebf, 0x498d,
+  0x1ec0, 0x4970,
+  0x1ec1, 0x498f,
+  0x2013, 0x0079,
+  0x2014, 0x007b,
+  0x2018, 0x00a6,
+  0x201c, 0x00a8,
+  0x2022, 0x0068,
+  0x2025, 0x006f,
+  0x2026, 0x006e,
+  0x2032, 0x00ad,
+  0x2035, 0x00ac,
+  0x203b, 0x00b1,
+  0x203e, 0x00c3,
+  0x20ac, 0x44c1,
+  0x2103, 0x010a,
+  0x2105, 0x00c2,
+  0x2109, 0x010b,
+  0x2116, 0x36e6,
+  0x2121, 0x36e7,
+  0x2160, 0x0157,
+  0x2170, 0x020e,
+  0x2190, 0x00f8,
+  0x2191, 0x00f5,
+  0x2192, 0x00f7,
+  0x2193, 0x00f6,
+  0x2196, 0x00f9,
+  0x2198, 0x00fc,
+  0x2199, 0x00fb,
+  0x21b8, 0x36ad,
+  0x21e7, 0x36ac,
+  0x221a, 0x00d5,
+  0x221e, 0x00dc,
+  0x221f, 0x00e9,
+  0x2220, 0x00e8,
+  0x2223, 0x00fe,
+  0x2225, 0x00fd,
+  0x2229, 0x00e5,
+  0x222b, 0x00ed,
+  0x222e, 0x00ee,
+  0x2234, 0x00f0,
+  0x2235, 0x00ef,
+  0x223c, 0x00e4,
+  0x2252, 0x00dd,
+  0x2260, 0x00db,
+  0x2261, 0x00de,
+  0x2266, 0x00d9,
+  0x22a5, 0x00e7,
+  0x22bf, 0x00ea,
+  0x2400, 0x0232,
+  0x2421, 0x0252,
+  0x2460, 0x01fa,
+  0x2474, 0x0204,
+  0x2500, 0x0137,
+  0x2502, 0x0138,
+  0x250c, 0x013a,
+  0x2510, 0x013b,
+  0x2514, 0x013c,
+  0x2518, 0x013d,
+  0x251c, 0x0135,
+  0x2524, 0x0134,
+  0x252c, 0x0133,
+  0x2534, 0x0132,
+  0x253c, 0x0131,
+  0x2550, 0x0142,
+  0x2551, 0x370a,
+  0x2552, 0x36f8,
+  0x2553, 0x3701,
+  0x2554, 0x36ef,
+  0x2555, 0x36fa,
+  0x2556, 0x3703,
+  0x2557, 0x36f1,
+  0x2558, 0x36fe,
+  0x2559, 0x3707,
+  0x255a, 0x36f5,
+  0x255b, 0x3700,
+  0x255c, 0x3709,
+  0x255d, 0x36f7,
+  0x255e, 0x0143,
+  0x255f, 0x3704,
+  0x2560, 0x36f2,
+  0x2561, 0x0145,
+  0x2562, 0x3706,
+  0x2563, 0x36f4,
+  0x2564, 0x36f9,
+  0x2565, 0x3702,
+  0x2566, 0x36f0,
+  0x2567, 0x36ff,
+  0x2568, 0x3708,
+  0x2569, 0x36f6,
+  0x256a, 0x0144,
+  0x256b, 0x3705,
+  0x256c, 0x36f3,
+  0x256d, 0x013e,
+  0x256f, 0x0141,
+  0x2570, 0x0140,
+  0x2571, 0x014a,
+  0x2581, 0x0122,
+  0x2589, 0x0130,
+  0x258a, 0x012f,
+  0x258b, 0x012e,
+  0x258c, 0x012d,
+  0x258d, 0x012c,
+  0x258e, 0x012b,
+  0x258f, 0x012a,
+  0x2593, 0x3710,
+  0x2594, 0x0136,
+  0x2595, 0x0139,
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+  0x81fa, 0x107d,
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+  0x81fc, 0x0408,
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+  0x81ff, 0x1bde,
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+  0x8201, 0x1dbd,
+  0x8202, 0x0b71,
+  0x8204, 0x228b,
+  0x8205, 0x0ed9,
+  0x8207, 0x107e,
+  0x8208, 0x1333,
+  0x8209, 0x1458,
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+  0x820b, 0x30ee,
+  0x820c, 0x0409,
+  0x820d, 0x0678,
+  0x8210, 0x0997,
+  0x8211, 0x2013,
+  0x8212, 0x0d2c,
+  0x8214, 0x107f,
+  0x8215, 0x27a5,
+  0x8216, 0x29d5,
+  0x8218, 0x37aa,
+  0x821a, 0x3fe1,
+  0x821b, 0x040a,
+  0x821c, 0x0d2d,
+  0x821d, 0x2529,
+  0x821e, 0x1080,
+  0x821f, 0x040b,
+  0x8220, 0x1a2e,
+  0x8221, 0x1bdf,
+  0x8222, 0x07e8,
+  0x8225, 0x1dbf,
+  0x8226, 0x420d,
+  0x8228, 0x099a,
+  0x8229, 0x37b0,
+  0x822a, 0x0998,
+  0x822c, 0x099b,
+  0x822d, 0x3ed0,
+  0x822f, 0x1dbe,
+  0x8232, 0x2018,
+  0x8233, 0x2015,
+  0x8234, 0x2017,
+  0x8235, 0x0b72,
+  0x8236, 0x0b74,
+  0x8237, 0x0b73,
+  0x8238, 0x2014,
+  0x8239, 0x0b75,
+  0x823a, 0x2016,
+  0x823c, 0x228c,
+  0x823e, 0x4582,
+  0x823f, 0x228e,
+  0x8240, 0x252c,
+  0x8242, 0x252d,
+  0x8244, 0x252b,
+  0x8245, 0x252e,
+  0x8247, 0x0eda,
+  0x8249, 0x252a,
+  0x824b, 0x1081,
+  0x824e, 0x29da,
+  0x824f, 0x29d6,
+  0x8250, 0x29d9,
+  0x8251, 0x29db,
+  0x8252, 0x29d8,
+  0x8253, 0x29d7,
+  0x8254, 0x4757,
+  0x8255, 0x2c3c,
+  0x8258, 0x1334,
+  0x825a, 0x2e0f,
+  0x825b, 0x2e0e,
+  0x825c, 0x2e10,
+  0x825e, 0x2f96,
+  0x825f, 0x2f95,
+  0x8261, 0x30f0,
+  0x8262, 0x3b7a,
+  0x8263, 0x30f1,
+  0x8264, 0x30ef,
+  0x8265, 0x3b7b,
+  0x8266, 0x1636,
+  0x8268, 0x321d,
+  0x826b, 0x33a6,
+  0x826c, 0x342d,
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+  0x9ea1, 0x34fd,
+  0x9ea2, 0x3934,
+  0x9ea4, 0x354a,
+  0x9ea5, 0x0be5,
+  0x9ea6, 0x4944,
+  0x9ea7, 0x287c,
+  0x9ea8, 0x3f75,
+  0x9ea9, 0x1285,
+  0x9eaa, 0x3936,
+  0x9eab, 0x3e92,
+  0x9eac, 0x43f4,
+  0x9ead, 0x2d34,
+  0x9eae, 0x2d33,
+  0x9eaf, 0x3937,
+  0x9eb0, 0x2f04,
+  0x9eb1, 0x47d4,
+  0x9eb4, 0x1608,
+  0x9eb5, 0x1662,
+  0x9eb6, 0x3405,
+  0x9eb7, 0x3542,
+  0x9ebb, 0x0be6,
+  0x9ebc, 0x10ff,
+  0x9ebd, 0x47d5,
+  0x9ebe, 0x1286,
+  0x9ebf, 0x3d78,
+  0x9ec0, 0x31be,
+  0x9ec1, 0x3939,
+  0x9ec2, 0x3471,
+  0x9ec3, 0x0dbb,
+  0x9ec4, 0x4514,
+  0x9ec6, 0x47d6,
+  0x9ec7, 0x4577,
+  0x9ec8, 0x2f05,
+  0x9ecc, 0x1751,
+  0x9ecd, 0x0dbc,
+  0x9ece, 0x1287,
+  0x9ecf, 0x14c2,
+  0x9ed0, 0x3472,
+  0x9ed1, 0x0dbd,
+  0x9ed3, 0x2afd,
+  0x9ed4, 0x13b1,
+  0x9ed5, 0x2d35,
+  0x9ed8, 0x13b0,
+  0x9eda, 0x2f06,
+  0x9edb, 0x14c6,
+  0x9edc, 0x14c4,
+  0x9ede, 0x14c3,
+  0x9edf, 0x306f,
+  0x9ee0, 0x1572,
+  0x9ee2, 0x47d8,
+  0x9ee4, 0x32ba,
+  0x9ee5, 0x32b9,
+  0x9ee6, 0x32bc,
+  0x9ee7, 0x32bb,
+  0x9ee8, 0x1663,
+  0x9eeb, 0x336c,
+  0x9eed, 0x336e,
+  0x9eee, 0x336d,
+  0x9eef, 0x16b6,
+  0x9ef0, 0x3406,
+  0x9ef1, 0x47d9,
+  0x9ef2, 0x3473,
+  0x9ef4, 0x171e,
+  0x9ef5, 0x34fe,
+  0x9ef6, 0x3518,
+  0x9ef7, 0x1762,
+  0x9ef8, 0x47da,
+  0x9ef9, 0x2360,
+  0x9efa, 0x2d37,
+  0x9efb, 0x2f07,
+  0x9efc, 0x31bf,
+  0x9efd, 0x2612,
+  0x9efe, 0x47ce,
+  0x9eff, 0x2f08,
+  0x9f00, 0x3071,
+  0x9f01, 0x3070,
+  0x9f02, 0x3940,
+  0x9f06, 0x3475,
+  0x9f07, 0x173f,
+  0x9f08, 0x3941,
+  0x9f09, 0x34ff,
+  0x9f0a, 0x3519,
+  0x9f0e, 0x0f7b,
+  0x9f0f, 0x2afe,
+  0x9f12, 0x2d38,
+  0x9f13, 0x0f7c,
+  0x9f15, 0x1573,
+  0x9f16, 0x3072,
+  0x9f17, 0x3945,
+  0x9f18, 0x3370,
+  0x9f19, 0x16b7,
+  0x9f1a, 0x3371,
+  0x9f1b, 0x336f,
+  0x9f1c, 0x3476,
+  0x9f1e, 0x34c4,
+  0x9f20, 0x0f7d,
+  0x9f22, 0x2f0b,
+  0x9f23, 0x2f0a,
+  0x9f24, 0x2f09,
+  0x9f25, 0x3073,
+  0x9f26, 0x3f90,
+  0x9f27, 0x4620,
+  0x9f28, 0x3077,
+  0x9f29, 0x3076,
+  0x9f2a, 0x3075,
+  0x9f2b, 0x3074,
+  0x9f2c, 0x1574,
+  0x9f2d, 0x31c0,
+  0x9f2e, 0x32be,
+  0x9f2f, 0x1664,
+  0x9f30, 0x32bd,
+  0x9f31, 0x3372,
+  0x9f32, 0x3409,
+  0x9f33, 0x3408,
+  0x9f34, 0x16f2,
+  0x9f35, 0x3407,
+  0x9f36, 0x3479,
+  0x9f37, 0x3478,
+  0x9f38, 0x3477,
+  0x9f39, 0x3947,
+  0x9f3b, 0x1100,
+  0x9f3d, 0x2d39,
+  0x9f3e, 0x14c7,
+  0x9f40, 0x31c1,
+  0x9f42, 0x340a,
+  0x9f43, 0x347a,
+  0x9f44, 0x47db,
+  0x9f45, 0x394a,
+  0x9f46, 0x34c5,
+  0x9f47, 0x3500,
+  0x9f48, 0x3532,
+  0x9f49, 0x354c,
+  0x9f4a, 0x1101,
+  0x9f4b, 0x14c8,
+  0x9f4c, 0x3078,
+  0x9f4d, 0x31c3,
+  0x9f4e, 0x3373,
+  0x9f4f, 0x347b,
+  0x9f50, 0x4943,
+  0x9f52, 0x1289,
+  0x9f53, 0x3f80,
+  0x9f54, 0x2f0c,
+  0x9f55, 0x3079,
+  0x9f56, 0x31c4,
+  0x9f59, 0x32c3,
+  0x9f5a, 0x3f23,
+  0x9f5b, 0x32bf,
+  0x9f5c, 0x16b8,
+  0x9f5d, 0x32c2,
+  0x9f5e, 0x32c1,
+  0x9f5f, 0x1665,
+  0x9f60, 0x32c0,
+  0x9f61, 0x1667,
+  0x9f62, 0x394f,
+  0x9f63, 0x1666,
+  0x9f64, 0x3375,
+  0x9f65, 0x3374,
+  0x9f66, 0x16b9,
+  0x9f69, 0x3950,
+  0x9f6a, 0x16f4,
+  0x9f6b, 0x340b,
+  0x9f6c, 0x16f3,
+  0x9f6e, 0x347e,
+  0x9f70, 0x347d,
+  0x9f71, 0x347c,
+  0x9f72, 0x1741,
+  0x9f74, 0x34c6,
+  0x9f77, 0x1740,
+  0x9f78, 0x3501,
+  0x9f79, 0x3504,
+  0x9f7a, 0x3503,
+  0x9f7b, 0x3502,
+  0x9f7e, 0x354b,
+  0x9f7f, 0x4680,
+  0x9f8d, 0x13b2,
+  0x9f8e, 0x3952,
+  0x9f90, 0x157c,
+  0x9f91, 0x32c4,
+  0x9f92, 0x3376,
+  0x9f94, 0x16f5,
+  0x9f95, 0x340c,
+  0x9f98, 0x354d,
+  0x9f99, 0x4587,
+  0x9f9c, 0x13b3,
+  0x9f9f, 0x4646,
+  0x9fa0, 0x2f0d,
+  0x9fa2, 0x340d,
+  0x9fa4, 0x351a,
+  0x9fa5, 0x3f70,
+  0xfa0c, 0x0274,
+  0xfa0d, 0x2381,
+  0xfe30, 0x006d,
+  0xfe31, 0x007a,
+  0xfe33, 0x35af,
+  0xfe34, 0x35b1,
+  0xfe35, 0x0082,
+  0xfe37, 0x0086,
+  0xfe39, 0x008a,
+  0xfe3b, 0x008e,
+  0xfe3d, 0x0092,
+  0xfe3f, 0x0096,
+  0xfe41, 0x009a,
+  0xfe43, 0x009e,
+  0xfe49, 0x00c7,
+  0xfe4b, 0x00cb,
+  0xfe4d, 0x00c9,
+  0xfe4f, 0x35b2,
+  0xfe50, 0x0070,
+  0xfe52, 0x0072,
+  0xfe54, 0x0074,
+  0xfe59, 0x00a0,
+  0xfe5f, 0x00cd,
+  0xfe62, 0x00df,
+  0xfe69, 0x010c,
+  0xff01, 0x006c,
+  0xff02, 0x36e4,
+  0xff03, 0x00ae,
+  0xff04, 0x0103,
+  0xff05, 0x0108,
+  0xff06, 0x00af,
+  0xff07, 0x36e3,
+  0xff08, 0x0080,
+  0xff0a, 0x00b0,
+  0xff0b, 0x00d0,
+  0xff0c, 0x0064,
+  0xff0d, 0x00d1,
+  0xff0e, 0x0067,
+  0xff0f, 0x0101,
+  0xff10, 0x014d,
+  0xff1a, 0x006a,
+  0xff1b, 0x0069,
+  0xff1c, 0x00d6,
+  0xff1d, 0x00d8,
+  0xff1e, 0x00d7,
+  0xff1f, 0x006b,
+  0xff20, 0x0109,
+  0xff21, 0x016d,
+  0xff3b, 0x35be,
+  0xff3c, 0x0102,
+  0xff3d, 0x35bf,
+  0xff3e, 0x35b4,
+  0xff3f, 0x00c5,
+  0xff41, 0x0187,
+  0xff5b, 0x0084,
+  0xff5c, 0x0078,
+  0xff5d, 0x0085,
+  0xff64, 0x0071,
+  0xffe2, 0x36e1,
+  0xffe4, 0x36e2,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13UniCNSUCS2HEnc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13UniCNSUCS2HMap2, 15455
+};
+
+static Gushort cns13UniCNSUCS2VMap2[30936] = {
+  0x0000, 0x0000,
+  0x0020, 0x0001,
+  0x00a2, 0x0106,
+  0x00a5, 0x0104,
+  0x00a7, 0x00b2,
+  0x00a8, 0x35b3,
+  0x00ac, 0x36e1,
+  0x00b0, 0x0118,
+  0x00b1, 0x00d4,
+  0x00b7, 0x0073,
+  0x00c0, 0x4964,
+  0x00c1, 0x4962,
+  0x00c8, 0x4968,
+  0x00c9, 0x4966,
+  0x00ca, 0x4971,
+  0x00d2, 0x496c,
+  0x00d3, 0x496a,
+  0x00d7, 0x00d2,
+  0x00e0, 0x4975,
+  0x00e1, 0x4973,
+  0x00e8, 0x497a,
+  0x00e9, 0x4978,
+  0x00ea, 0x4990,
+  0x00ec, 0x497e,
+  0x00ed, 0x497c,
+  0x00f2, 0x4982,
+  0x00f3, 0x4980,
+  0x00f7, 0x00d3,
+  0x00f8, 0x4998,
+  0x00f9, 0x4986,
+  0x00fa, 0x4984,
+  0x00fc, 0x498b,
+  0x0100, 0x4961,
+  0x0101, 0x4972,
+  0x0112, 0x4965,
+  0x0113, 0x4977,
+  0x011a, 0x4967,
+  0x011b, 0x4979,
+  0x012b, 0x497b,
+  0x014b, 0x4999,
+  0x014c, 0x4969,
+  0x014d, 0x497f,
+  0x0153, 0x4997,
+  0x016b, 0x4983,
+  0x01cd, 0x4963,
+  0x01ce, 0x4974,
+  0x01d0, 0x497d,
+  0x01d1, 0x496b,
+  0x01d2, 0x4981,
+  0x01d4, 0x4985,
+  0x01d6, 0x4987,
+  0x01d8, 0x4988,
+  0x01da, 0x4989,
+  0x01dc, 0x498a,
+  0x0250, 0x4993,
+  0x0251, 0x4976,
+  0x0254, 0x4995,
+  0x025b, 0x4994,
+  0x0261, 0x4991,
+  0x026a, 0x499b,
+  0x0275, 0x4996,
+  0x0283, 0x4992,
+  0x028a, 0x499a,
+  0x02c6, 0x35b4,
+  0x02c7, 0x01f8,
+  0x02ca, 0x01f7,
+  0x02cb, 0x01f9,
+  0x02d9, 0x01f6,
+  0x0308, 0x35b3,
+  0x0391, 0x01a1,
+  0x03a3, 0x01b2,
+  0x03b1, 0x01b9,
+  0x03c3, 0x01ca,
+  0x0401, 0x3670,
+  0x0410, 0x366a,
+  0x0416, 0x3671,
+  0x0436, 0x3692,
+  0x0451, 0x3691,
+  0x1ebe, 0x496e,
+  0x1ebf, 0x498d,
+  0x1ec0, 0x4970,
+  0x1ec1, 0x498f,
+  0x2013, 0x0079,
+  0x2014, 0x007b,
+  0x2018, 0x00a6,
+  0x201c, 0x00a8,
+  0x2022, 0x0068,
+  0x2025, 0x006f,
+  0x2026, 0x006e,
+  0x2032, 0x00ad,
+  0x2035, 0x00ac,
+  0x203b, 0x00b1,
+  0x203e, 0x00c3,
+  0x20ac, 0x44c1,
+  0x2103, 0x010a,
+  0x2105, 0x00c2,
+  0x2109, 0x010b,
+  0x2116, 0x36e6,
+  0x2121, 0x36e7,
+  0x2160, 0x0157,
+  0x2170, 0x020e,
+  0x2190, 0x00f8,
+  0x2191, 0x00f5,
+  0x2192, 0x00f7,
+  0x2193, 0x00f6,
+  0x2196, 0x00f9,
+  0x2198, 0x00fc,
+  0x2199, 0x00fb,
+  0x21b8, 0x36ad,
+  0x21e7, 0x36ac,
+  0x221a, 0x00d5,
+  0x221e, 0x00dc,
+  0x221f, 0x00e9,
+  0x2220, 0x00e8,
+  0x2223, 0x00fe,
+  0x2225, 0x00fd,
+  0x2229, 0x00e5,
+  0x222b, 0x00ed,
+  0x222e, 0x00ee,
+  0x2234, 0x00f0,
+  0x2235, 0x00ef,
+  0x223c, 0x00e4,
+  0x2252, 0x00dd,
+  0x2260, 0x00db,
+  0x2261, 0x00de,
+  0x2266, 0x00d9,
+  0x22a5, 0x00e7,
+  0x22bf, 0x00ea,
+  0x2400, 0x0232,
+  0x2421, 0x0252,
+  0x2460, 0x01fa,
+  0x2474, 0x0204,
+  0x2500, 0x0137,
+  0x2502, 0x0138,
+  0x250c, 0x013a,
+  0x2510, 0x013b,
+  0x2514, 0x013c,
+  0x2518, 0x013d,
+  0x251c, 0x0135,
+  0x2524, 0x0134,
+  0x252c, 0x0133,
+  0x2534, 0x0132,
+  0x253c, 0x0131,
+  0x2550, 0x0142,
+  0x2551, 0x370a,
+  0x2552, 0x36f8,
+  0x2553, 0x3701,
+  0x2554, 0x36ef,
+  0x2555, 0x36fa,
+  0x2556, 0x3703,
+  0x2557, 0x36f1,
+  0x2558, 0x36fe,
+  0x2559, 0x3707,
+  0x255a, 0x36f5,
+  0x255b, 0x3700,
+  0x255c, 0x3709,
+  0x255d, 0x36f7,
+  0x255e, 0x0143,
+  0x255f, 0x3704,
+  0x2560, 0x36f2,
+  0x2561, 0x0145,
+  0x2562, 0x3706,
+  0x2563, 0x36f4,
+  0x2564, 0x36f9,
+  0x2565, 0x3702,
+  0x2566, 0x36f0,
+  0x2567, 0x36ff,
+  0x2568, 0x3708,
+  0x2569, 0x36f6,
+  0x256a, 0x0144,
+  0x256b, 0x3705,
+  0x256c, 0x36f3,
+  0x256d, 0x013e,
+  0x256f, 0x0141,
+  0x2570, 0x0140,
+  0x2571, 0x014a,
+  0x2581, 0x0122,
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+  0x81ff, 0x1bde,
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+  0x8201, 0x1dbd,
+  0x8202, 0x0b71,
+  0x8204, 0x228b,
+  0x8205, 0x0ed9,
+  0x8207, 0x107e,
+  0x8208, 0x1333,
+  0x8209, 0x1458,
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+  0x820b, 0x30ee,
+  0x820c, 0x0409,
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+  0x8210, 0x0997,
+  0x8211, 0x2013,
+  0x8212, 0x0d2c,
+  0x8214, 0x107f,
+  0x8215, 0x27a5,
+  0x8216, 0x29d5,
+  0x8218, 0x37aa,
+  0x821a, 0x3fe1,
+  0x821b, 0x040a,
+  0x821c, 0x0d2d,
+  0x821d, 0x2529,
+  0x821e, 0x1080,
+  0x821f, 0x040b,
+  0x8220, 0x1a2e,
+  0x8221, 0x1bdf,
+  0x8222, 0x07e8,
+  0x8225, 0x1dbf,
+  0x8226, 0x420d,
+  0x8228, 0x099a,
+  0x8229, 0x37b0,
+  0x822a, 0x0998,
+  0x822c, 0x099b,
+  0x822d, 0x3ed0,
+  0x822f, 0x1dbe,
+  0x8232, 0x2018,
+  0x8233, 0x2015,
+  0x8234, 0x2017,
+  0x8235, 0x0b72,
+  0x8236, 0x0b74,
+  0x8237, 0x0b73,
+  0x8238, 0x2014,
+  0x8239, 0x0b75,
+  0x823a, 0x2016,
+  0x823c, 0x228c,
+  0x823e, 0x4582,
+  0x823f, 0x228e,
+  0x8240, 0x252c,
+  0x8242, 0x252d,
+  0x8244, 0x252b,
+  0x8245, 0x252e,
+  0x8247, 0x0eda,
+  0x8249, 0x252a,
+  0x824b, 0x1081,
+  0x824e, 0x29da,
+  0x824f, 0x29d6,
+  0x8250, 0x29d9,
+  0x8251, 0x29db,
+  0x8252, 0x29d8,
+  0x8253, 0x29d7,
+  0x8254, 0x4757,
+  0x8255, 0x2c3c,
+  0x8258, 0x1334,
+  0x825a, 0x2e0f,
+  0x825b, 0x2e0e,
+  0x825c, 0x2e10,
+  0x825e, 0x2f96,
+  0x825f, 0x2f95,
+  0x8261, 0x30f0,
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+  0x9e98, 0x3f27,
+  0x9e99, 0x32b6,
+  0x9e9a, 0x32b8,
+  0x9e9b, 0x32b7,
+  0x9e9c, 0x336b,
+  0x9e9d, 0x16b5,
+  0x9e9e, 0x3933,
+  0x9e9f, 0x171d,
+  0x9ea0, 0x34c3,
+  0x9ea1, 0x34fd,
+  0x9ea2, 0x3934,
+  0x9ea4, 0x354a,
+  0x9ea5, 0x0be5,
+  0x9ea6, 0x4944,
+  0x9ea7, 0x287c,
+  0x9ea8, 0x3f75,
+  0x9ea9, 0x1285,
+  0x9eaa, 0x3936,
+  0x9eab, 0x3e92,
+  0x9eac, 0x43f4,
+  0x9ead, 0x2d34,
+  0x9eae, 0x2d33,
+  0x9eaf, 0x3937,
+  0x9eb0, 0x2f04,
+  0x9eb1, 0x47d4,
+  0x9eb4, 0x1608,
+  0x9eb5, 0x1662,
+  0x9eb6, 0x3405,
+  0x9eb7, 0x3542,
+  0x9ebb, 0x0be6,
+  0x9ebc, 0x10ff,
+  0x9ebd, 0x47d5,
+  0x9ebe, 0x1286,
+  0x9ebf, 0x3d78,
+  0x9ec0, 0x31be,
+  0x9ec1, 0x3939,
+  0x9ec2, 0x3471,
+  0x9ec3, 0x0dbb,
+  0x9ec4, 0x4514,
+  0x9ec6, 0x47d6,
+  0x9ec7, 0x4577,
+  0x9ec8, 0x2f05,
+  0x9ecc, 0x1751,
+  0x9ecd, 0x0dbc,
+  0x9ece, 0x1287,
+  0x9ecf, 0x14c2,
+  0x9ed0, 0x3472,
+  0x9ed1, 0x0dbd,
+  0x9ed3, 0x2afd,
+  0x9ed4, 0x13b1,
+  0x9ed5, 0x2d35,
+  0x9ed8, 0x13b0,
+  0x9eda, 0x2f06,
+  0x9edb, 0x14c6,
+  0x9edc, 0x14c4,
+  0x9ede, 0x14c3,
+  0x9edf, 0x306f,
+  0x9ee0, 0x1572,
+  0x9ee2, 0x47d8,
+  0x9ee4, 0x32ba,
+  0x9ee5, 0x32b9,
+  0x9ee6, 0x32bc,
+  0x9ee7, 0x32bb,
+  0x9ee8, 0x1663,
+  0x9eeb, 0x336c,
+  0x9eed, 0x336e,
+  0x9eee, 0x336d,
+  0x9eef, 0x16b6,
+  0x9ef0, 0x3406,
+  0x9ef1, 0x47d9,
+  0x9ef2, 0x3473,
+  0x9ef4, 0x171e,
+  0x9ef5, 0x34fe,
+  0x9ef6, 0x3518,
+  0x9ef7, 0x1762,
+  0x9ef8, 0x47da,
+  0x9ef9, 0x2360,
+  0x9efa, 0x2d37,
+  0x9efb, 0x2f07,
+  0x9efc, 0x31bf,
+  0x9efd, 0x2612,
+  0x9efe, 0x47ce,
+  0x9eff, 0x2f08,
+  0x9f00, 0x3071,
+  0x9f01, 0x3070,
+  0x9f02, 0x3940,
+  0x9f06, 0x3475,
+  0x9f07, 0x173f,
+  0x9f08, 0x3941,
+  0x9f09, 0x34ff,
+  0x9f0a, 0x3519,
+  0x9f0e, 0x0f7b,
+  0x9f0f, 0x2afe,
+  0x9f12, 0x2d38,
+  0x9f13, 0x0f7c,
+  0x9f15, 0x1573,
+  0x9f16, 0x3072,
+  0x9f17, 0x3945,
+  0x9f18, 0x3370,
+  0x9f19, 0x16b7,
+  0x9f1a, 0x3371,
+  0x9f1b, 0x336f,
+  0x9f1c, 0x3476,
+  0x9f1e, 0x34c4,
+  0x9f20, 0x0f7d,
+  0x9f22, 0x2f0b,
+  0x9f23, 0x2f0a,
+  0x9f24, 0x2f09,
+  0x9f25, 0x3073,
+  0x9f26, 0x3f90,
+  0x9f27, 0x4620,
+  0x9f28, 0x3077,
+  0x9f29, 0x3076,
+  0x9f2a, 0x3075,
+  0x9f2b, 0x3074,
+  0x9f2c, 0x1574,
+  0x9f2d, 0x31c0,
+  0x9f2e, 0x32be,
+  0x9f2f, 0x1664,
+  0x9f30, 0x32bd,
+  0x9f31, 0x3372,
+  0x9f32, 0x3409,
+  0x9f33, 0x3408,
+  0x9f34, 0x16f2,
+  0x9f35, 0x3407,
+  0x9f36, 0x3479,
+  0x9f37, 0x3478,
+  0x9f38, 0x3477,
+  0x9f39, 0x3947,
+  0x9f3b, 0x1100,
+  0x9f3d, 0x2d39,
+  0x9f3e, 0x14c7,
+  0x9f40, 0x31c1,
+  0x9f42, 0x340a,
+  0x9f43, 0x347a,
+  0x9f44, 0x47db,
+  0x9f45, 0x394a,
+  0x9f46, 0x34c5,
+  0x9f47, 0x3500,
+  0x9f48, 0x3532,
+  0x9f49, 0x354c,
+  0x9f4a, 0x1101,
+  0x9f4b, 0x14c8,
+  0x9f4c, 0x3078,
+  0x9f4d, 0x31c3,
+  0x9f4e, 0x3373,
+  0x9f4f, 0x347b,
+  0x9f50, 0x4943,
+  0x9f52, 0x1289,
+  0x9f53, 0x3f80,
+  0x9f54, 0x2f0c,
+  0x9f55, 0x3079,
+  0x9f56, 0x31c4,
+  0x9f59, 0x32c3,
+  0x9f5a, 0x3f23,
+  0x9f5b, 0x32bf,
+  0x9f5c, 0x16b8,
+  0x9f5d, 0x32c2,
+  0x9f5e, 0x32c1,
+  0x9f5f, 0x1665,
+  0x9f60, 0x32c0,
+  0x9f61, 0x1667,
+  0x9f62, 0x394f,
+  0x9f63, 0x1666,
+  0x9f64, 0x3375,
+  0x9f65, 0x3374,
+  0x9f66, 0x16b9,
+  0x9f69, 0x3950,
+  0x9f6a, 0x16f4,
+  0x9f6b, 0x340b,
+  0x9f6c, 0x16f3,
+  0x9f6e, 0x347e,
+  0x9f70, 0x347d,
+  0x9f71, 0x347c,
+  0x9f72, 0x1741,
+  0x9f74, 0x34c6,
+  0x9f77, 0x1740,
+  0x9f78, 0x3501,
+  0x9f79, 0x3504,
+  0x9f7a, 0x3503,
+  0x9f7b, 0x3502,
+  0x9f7e, 0x354b,
+  0x9f7f, 0x4680,
+  0x9f8d, 0x13b2,
+  0x9f8e, 0x3952,
+  0x9f90, 0x157c,
+  0x9f91, 0x32c4,
+  0x9f92, 0x3376,
+  0x9f94, 0x16f5,
+  0x9f95, 0x340c,
+  0x9f98, 0x354d,
+  0x9f99, 0x4587,
+  0x9f9c, 0x13b3,
+  0x9f9f, 0x4646,
+  0x9fa0, 0x2f0d,
+  0x9fa2, 0x340d,
+  0x9fa4, 0x351a,
+  0x9fa5, 0x3f70,
+  0xfa0c, 0x0274,
+  0xfa0d, 0x2381,
+  0xfe30, 0x006d,
+  0xfe31, 0x007a,
+  0xfe33, 0x35af,
+  0xfe34, 0x35b1,
+  0xfe35, 0x0082,
+  0xfe37, 0x0086,
+  0xfe39, 0x008a,
+  0xfe3b, 0x008e,
+  0xfe3d, 0x0092,
+  0xfe3f, 0x0096,
+  0xfe41, 0x009a,
+  0xfe43, 0x009e,
+  0xfe49, 0x00c7,
+  0xfe4b, 0x00cb,
+  0xfe4d, 0x00c9,
+  0xfe4f, 0x35b2,
+  0xfe50, 0x0070,
+  0xfe52, 0x0072,
+  0xfe54, 0x0074,
+  0xfe59, 0x00a0,
+  0xfe5f, 0x00cd,
+  0xfe62, 0x00df,
+  0xfe69, 0x010c,
+  0xff01, 0x006c,
+  0xff02, 0x36e4,
+  0xff03, 0x00ae,
+  0xff04, 0x0103,
+  0xff05, 0x0108,
+  0xff06, 0x00af,
+  0xff07, 0x36e3,
+  0xff08, 0x0080,
+  0xff0a, 0x00b0,
+  0xff0b, 0x00d0,
+  0xff0c, 0x0064,
+  0xff0d, 0x00d1,
+  0xff0e, 0x0067,
+  0xff0f, 0x0101,
+  0xff10, 0x014d,
+  0xff1a, 0x006a,
+  0xff1b, 0x0069,
+  0xff1c, 0x00d6,
+  0xff1d, 0x00d8,
+  0xff1e, 0x00d7,
+  0xff1f, 0x006b,
+  0xff20, 0x0109,
+  0xff21, 0x016d,
+  0xff3b, 0x35be,
+  0xff3c, 0x0102,
+  0xff3d, 0x35bf,
+  0xff3e, 0x35b4,
+  0xff3f, 0x00c5,
+  0xff41, 0x0187,
+  0xff5b, 0x0084,
+  0xff5c, 0x0078,
+  0xff5d, 0x0085,
+  0xff64, 0x0071,
+  0xffe2, 0x36e1,
+  0xffe4, 0x36e2,
+  0x2013, 0x0078,
+  0x2014, 0x007a,
+  0x2025, 0x006d,
+  0x300a, 0x0092,
+  0x3008, 0x0096,
+  0x300c, 0x009a,
+  0x300e, 0x009e,
+  0x3010, 0x008e,
+  0x3014, 0x008a,
+  0xfe4f, 0x35b1,
+  0xff08, 0x0082,
+  0xff5b, 0x0086,
+  0xff5d, 0x0087,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13UniCNSUCS2VEnc16 = {
+  1,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13UniCNSUCS2VMap2, 15468
+};
+
+static Gushort cns13AdobeCNS13VMap2[152] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0x3800, 0x3800,
+  0x3900, 0x3900,
+  0x3a00, 0x3a00,
+  0x3b00, 0x3b00,
+  0x3c00, 0x3c00,
+  0x3d00, 0x3d00,
+  0x3e00, 0x3e00,
+  0x3f00, 0x3f00,
+  0x4000, 0x4000,
+  0x4100, 0x4100,
+  0x4200, 0x4200,
+  0x4300, 0x4300,
+  0x4400, 0x4400,
+  0x4500, 0x4500,
+  0x4600, 0x4600,
+  0x4700, 0x4700,
+  0x4800, 0x4800,
+  0x4900, 0x4900,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 cns13AdobeCNS13VEnc16 = {
+  1,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  cns13AdobeCNS13VMap2, 76
+};
+
+static struct {
+  char *name;
+  GfxFontEncoding16 *enc;
+} gfxCNS13Tab[] = {
+  { "Adobe-CNS1-0",                     &cns13AdobeCNS10Enc16 },
+  { "Adobe-CNS1-1",                     &cns13AdobeCNS11Enc16 },
+  { "Adobe-CNS1-2",                     &cns13AdobeCNS12Enc16 },
+  { "Adobe-CNS1-3",                     &cns13AdobeCNS13Enc16 },
+  { "B5-H",                             &cns13B5HEnc16 },
+  { "B5-V",                             &cns13B5VEnc16 },
+  { "B5pc-H",                           &cns13B5pcHEnc16 },
+  { "B5pc-V",                           &cns13B5pcVEnc16 },
+  { "CNS1-H",                           &cns13CNS1HEnc16 },
+  { "CNS1-V",                           &cns13CNS1VEnc16 },
+  { "CNS2-H",                           &cns13CNS2HEnc16 },
+  { "CNS2-V",                           &cns13CNS2VEnc16 },
+  { "ETHK-B5-H",                        &cns13ETHKB5HEnc16 },
+  { "ETHK-B5-V",                        &cns13ETHKB5VEnc16 },
+  { "ETen-B5-H",                        &cns13ETenB5HEnc16 },
+  { "ETen-B5-V",                        &cns13ETenB5VEnc16 },
+  { "ETenms-B5-H",                      &cns13ETenmsB5HEnc16 },
+  { "ETenms-B5-V",                      &cns13ETenmsB5VEnc16 },
+  { "HKdla-B5-H",                       &cns13HKdlaB5HEnc16 },
+  { "HKdla-B5-V",                       &cns13HKdlaB5VEnc16 },
+  { "HKdlb-B5-H",                       &cns13HKdlbB5HEnc16 },
+  { "HKdlb-B5-V",                       &cns13HKdlbB5VEnc16 },
+  { "HKgccs-B5-H",                      &cns13HKgccsB5HEnc16 },
+  { "HKgccs-B5-V",                      &cns13HKgccsB5VEnc16 },
+  { "HKm314-B5-H",                      &cns13HKm314B5HEnc16 },
+  { "HKm314-B5-V",                      &cns13HKm314B5VEnc16 },
+  { "HKm471-B5-H",                      &cns13HKm471B5HEnc16 },
+  { "HKm471-B5-V",                      &cns13HKm471B5VEnc16 },
+  { "HKscs-B5-H",                       &cns13HKscsB5HEnc16 },
+  { "HKscs-B5-V",                       &cns13HKscsB5VEnc16 },
+  { "UniCNS-UCS2-H",                    &cns13UniCNSUCS2HEnc16 },
+  { "UniCNS-UCS2-V",                    &cns13UniCNSUCS2VEnc16 },
+  { "Identity-H",                       &cns13AdobeCNS13Enc16 },
+  { "Identity-V",                       &cns13AdobeCNS13VEnc16 },
+  { NULL,                               NULL }
+};
+
+#endif
diff --git a/pdftops/COPYING b/pdftops/COPYING
new file mode 100644
index 000000000..a43ea2126
--- /dev/null
+++ b/pdftops/COPYING
@@ -0,0 +1,339 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                          675 Mass Ave, Cambridge, MA 02139, USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable.  However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	Appendix: How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 19yy  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) 19yy name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/pdftops/Catalog.cxx b/pdftops/Catalog.cxx
new file mode 100644
index 000000000..fadb4763b
--- /dev/null
+++ b/pdftops/Catalog.cxx
@@ -0,0 +1,308 @@
+//========================================================================
+//
+// Catalog.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include "gmem.h"
+#include "Object.h"
+#include "XRef.h"
+#include "Array.h"
+#include "Dict.h"
+#include "Page.h"
+#include "Error.h"
+#include "Link.h"
+#include "Catalog.h"
+
+//------------------------------------------------------------------------
+// Catalog
+//------------------------------------------------------------------------
+
+Catalog::Catalog(XRef *xrefA, GBool printCommands) {
+  Object catDict, pagesDict;
+  Object obj, obj2;
+  int numPages0;
+  int i;
+
+  ok = gTrue;
+  xref = xrefA;
+  pages = NULL;
+  pageRefs = NULL;
+  numPages = pagesSize = 0;
+  baseURI = NULL;
+
+  xref->getCatalog(&catDict);
+  if (!catDict.isDict()) {
+    error(-1, "Catalog object is wrong type (%s)", catDict.getTypeName());
+    goto err1;
+  }
+
+  // read page tree
+  catDict.dictLookup("Pages", &pagesDict);
+  // This should really be isDict("Pages"), but I've seen at least one
+  // PDF file where the /Type entry is missing.
+  if (!pagesDict.isDict()) {
+    error(-1, "Top-level pages object is wrong type (%s)",
+	  pagesDict.getTypeName());
+    goto err2;
+  }
+  pagesDict.dictLookup("Count", &obj);
+  if (!obj.isInt()) {
+    error(-1, "Page count in top-level pages object is wrong type (%s)",
+	  obj.getTypeName());
+    goto err3;
+  }
+  pagesSize = numPages0 = obj.getInt();
+  obj.free();
+  pages = (Page **)gmalloc(pagesSize * sizeof(Page *));
+  pageRefs = (Ref *)gmalloc(pagesSize * sizeof(Ref));
+  for (i = 0; i < pagesSize; ++i) {
+    pages[i] = NULL;
+    pageRefs[i].num = -1;
+    pageRefs[i].gen = -1;
+  }
+  numPages = readPageTree(pagesDict.getDict(), NULL, 0, printCommands);
+  if (numPages != numPages0) {
+    error(-1, "Page count in top-level pages object is incorrect");
+  }
+  pagesDict.free();
+
+  // read named destination dictionary
+  catDict.dictLookup("Dests", &dests);
+
+  // read root of named destination tree
+  if (catDict.dictLookup("Names", &obj)->isDict())
+    obj.dictLookup("Dests", &nameTree);
+  else
+    nameTree.initNull();
+  obj.free();
+
+  // read base URI
+  if (catDict.dictLookup("URI", &obj)->isDict()) {
+    if (obj.dictLookup("Base", &obj2)->isString()) {
+      baseURI = obj2.getString()->copy();
+    }
+    obj2.free();
+  }
+  obj.free();
+
+  catDict.free();
+  return;
+
+ err3:
+  obj.free();
+ err2:
+  pagesDict.free();
+ err1:
+  catDict.free();
+  dests.initNull();
+  nameTree.initNull();
+  ok = gFalse;
+}
+
+Catalog::~Catalog() {
+  int i;
+
+  if (pages) {
+    for (i = 0; i < pagesSize; ++i) {
+      if (pages[i]) {
+	delete pages[i];
+      }
+    }
+    gfree(pages);
+    gfree(pageRefs);
+  }
+  dests.free();
+  nameTree.free();
+  if (baseURI) {
+    delete baseURI;
+  }
+}
+
+int Catalog::readPageTree(Dict *pagesDict, PageAttrs *attrs, int start,
+			  GBool printCommands) {
+  Object kids;
+  Object kid;
+  Object kidRef;
+  PageAttrs *attrs1, *attrs2;
+  Page *page;
+  int i, j;
+
+  attrs1 = new PageAttrs(attrs, pagesDict);
+  pagesDict->lookup("Kids", &kids);
+  if (!kids.isArray()) {
+    error(-1, "Kids object (page %d) is wrong type (%s)",
+	  start+1, kids.getTypeName());
+    goto err1;
+  }
+  for (i = 0; i < kids.arrayGetLength(); ++i) {
+    kids.arrayGet(i, &kid);
+    if (kid.isDict("Page")) {
+      attrs2 = new PageAttrs(attrs1, kid.getDict());
+      page = new Page(xref, start+1, kid.getDict(), attrs2, printCommands);
+      if (!page->isOk()) {
+	++start;
+	goto err3;
+      }
+      if (start >= pagesSize) {
+	pagesSize += 32;
+	pages = (Page **)grealloc(pages, pagesSize * sizeof(Page *));
+	pageRefs = (Ref *)grealloc(pageRefs, pagesSize * sizeof(Ref));
+	for (j = pagesSize - 32; j < pagesSize; ++j) {
+	  pages[j] = NULL;
+	  pageRefs[j].num = -1;
+	  pageRefs[j].gen = -1;
+	}
+      }
+      pages[start] = page;
+      kids.arrayGetNF(i, &kidRef);
+      if (kidRef.isRef()) {
+	pageRefs[start].num = kidRef.getRefNum();
+	pageRefs[start].gen = kidRef.getRefGen();
+      }
+      kidRef.free();
+      ++start;
+    // This should really be isDict("Pages"), but I've seen at least one
+    // PDF file where the /Type entry is missing.
+    } else if (kid.isDict()) {
+      if ((start = readPageTree(kid.getDict(), attrs1, start, printCommands))
+	  < 0)
+	goto err2;
+    } else {
+      error(-1, "Kid object (page %d) is wrong type (%s)",
+	    start+1, kid.getTypeName());
+      goto err2;
+    }
+    kid.free();
+  }
+  delete attrs1;
+  kids.free();
+  return start;
+
+ err3:
+  delete page;
+ err2:
+  kid.free();
+ err1:
+  kids.free();
+  delete attrs1;
+  ok = gFalse;
+  return -1;
+}
+
+int Catalog::findPage(int num, int gen) {
+  int i;
+
+  for (i = 0; i < numPages; ++i) {
+    if (pageRefs[i].num == num && pageRefs[i].gen == gen)
+      return i + 1;
+  }
+  return 0;
+}
+
+LinkDest *Catalog::findDest(GString *name) {
+  LinkDest *dest;
+  Object obj1, obj2;
+  GBool found;
+
+  // try named destination dictionary then name tree
+  found = gFalse;
+  if (dests.isDict()) {
+    if (!dests.dictLookup(name->getCString(), &obj1)->isNull())
+      found = gTrue;
+    else
+      obj1.free();
+  }
+  if (!found && nameTree.isDict()) {
+    if (!findDestInTree(&nameTree, name, &obj1)->isNull())
+      found = gTrue;
+    else
+      obj1.free();
+  }
+  if (!found)
+    return NULL;
+
+  // construct LinkDest
+  dest = NULL;
+  if (obj1.isArray()) {
+    dest = new LinkDest(obj1.getArray(), gTrue);
+  } else if (obj1.isDict()) {
+    if (obj1.dictLookup("D", &obj2)->isArray())
+      dest = new LinkDest(obj2.getArray(), gTrue);
+    else
+      error(-1, "Bad named destination value");
+    obj2.free();
+  } else {
+    error(-1, "Bad named destination value");
+  }
+  obj1.free();
+
+  return dest;
+}
+
+Object *Catalog::findDestInTree(Object *tree, GString *name, Object *obj) {
+  Object names, name1;
+  Object kids, kid, limits, low, high;
+  GBool done, found;
+  int cmp, i;
+
+  // leaf node
+  if (tree->dictLookup("Names", &names)->isArray()) {
+    done = found = gFalse;
+    for (i = 0; !done && i < names.arrayGetLength(); i += 2) {
+      if (names.arrayGet(i, &name1)->isString()) {
+	cmp = name->cmp(name1.getString());
+	if (cmp == 0) {
+	  names.arrayGet(i+1, obj);
+	  found = gTrue;
+	  done = gTrue;
+	} else if (cmp < 0) {
+	  done = gTrue;
+	}
+	name1.free();
+      }
+    }
+    names.free();
+    if (!found)
+      obj->initNull();
+    return obj;
+  }
+  names.free();
+
+  // root or intermediate node
+  done = gFalse;
+  if (tree->dictLookup("Kids", &kids)->isArray()) {
+    for (i = 0; !done && i < kids.arrayGetLength(); ++i) {
+      if (kids.arrayGet(i, &kid)->isDict()) {
+	if (kid.dictLookup("Limits", &limits)->isArray()) {
+	  if (limits.arrayGet(0, &low)->isString() &&
+	      name->cmp(low.getString()) >= 0) {
+	    if (limits.arrayGet(1, &high)->isString() &&
+		name->cmp(high.getString()) <= 0) {
+	      findDestInTree(&kid, name, obj);
+	      done = gTrue;
+	    }
+	    high.free();
+	  }
+	  low.free();
+	}
+	limits.free();
+      }
+      kid.free();
+    }
+  }
+  kids.free();
+
+  // name was outside of ranges of all kids
+  if (!done)
+    obj->initNull();
+
+  return obj;
+}
diff --git a/pdftops/Catalog.h b/pdftops/Catalog.h
new file mode 100644
index 000000000..5bf0c74a7
--- /dev/null
+++ b/pdftops/Catalog.h
@@ -0,0 +1,76 @@
+//========================================================================
+//
+// Catalog.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef CATALOG_H
+#define CATALOG_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+class XRef;
+class Object;
+class Page;
+class PageAttrs;
+struct Ref;
+class LinkDest;
+
+//------------------------------------------------------------------------
+// Catalog
+//------------------------------------------------------------------------
+
+class Catalog {
+public:
+
+  // Constructor.
+  Catalog(XRef *xrefA, GBool printCommands = gFalse);
+
+  // Destructor.
+  ~Catalog();
+
+  // Is catalog valid?
+  GBool isOk() { return ok; }
+
+  // Get number of pages.
+  int getNumPages() { return numPages; }
+
+  // Get a page.
+  Page *getPage(int i) { return pages[i-1]; }
+
+  // Get the reference for a page object.
+  Ref *getPageRef(int i) { return &pageRefs[i-1]; }
+
+  // Return base URI, or NULL if none.
+  GString *getBaseURI() { return baseURI; }
+
+  // Find a page, given its object ID.  Returns page number, or 0 if
+  // not found.
+  int findPage(int num, int gen);
+
+  // Find a named destination.  Returns the link destination, or
+  // NULL if <name> is not a destination.
+  LinkDest *findDest(GString *name);
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  Page **pages;			// array of pages
+  Ref *pageRefs;		// object ID for each page
+  int numPages;			// number of pages
+  int pagesSize;		// size of pages array
+  Object dests;			// named destination dictionary
+  Object nameTree;		// name tree
+  GString *baseURI;		// base URI for URI-type links
+  GBool ok;			// true if catalog is valid
+
+  int readPageTree(Dict *pages, PageAttrs *attrs, int start,
+		   GBool printCommands);
+  Object *findDestInTree(Object *tree, GString *name, Object *obj);
+};
+
+#endif
diff --git a/pdftops/CompactFontInfo.h b/pdftops/CompactFontInfo.h
new file mode 100644
index 000000000..c64266029
--- /dev/null
+++ b/pdftops/CompactFontInfo.h
@@ -0,0 +1,464 @@
+//========================================================================
+//
+// CompactFontInfo.h
+//
+// Copyright 1999 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef COMPACTFONTINFO_H
+#define COMPACTFONTINFO_H
+
+static char *type1CStdStrings[391] = {
+  ".notdef",
+  "space",
+  "exclam",
+  "quotedbl",
+  "numbersign",
+  "dollar",
+  "percent",
+  "ampersand",
+  "quoteright",
+  "parenleft",
+  "parenright",
+  "asterisk",
+  "plus",
+  "comma",
+  "hyphen",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "at",
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+  "bracketleft",
+  "backslash",
+  "bracketright",
+  "asciicircum",
+  "underscore",
+  "quoteleft",
+  "a",
+  "b",
+  "c",
+  "d",
+  "e",
+  "f",
+  "g",
+  "h",
+  "i",
+  "j",
+  "k",
+  "l",
+  "m",
+  "n",
+  "o",
+  "p",
+  "q",
+  "r",
+  "s",
+  "t",
+  "u",
+  "v",
+  "w",
+  "x",
+  "y",
+  "z",
+  "braceleft",
+  "bar",
+  "braceright",
+  "asciitilde",
+  "exclamdown",
+  "cent",
+  "sterling",
+  "fraction",
+  "yen",
+  "florin",
+  "section",
+  "currency",
+  "quotesingle",
+  "quotedblleft",
+  "guillemotleft",
+  "guilsinglleft",
+  "guilsinglright",
+  "fi",
+  "fl",
+  "endash",
+  "dagger",
+  "daggerdbl",
+  "periodcentered",
+  "paragraph",
+  "bullet",
+  "quotesinglbase",
+  "quotedblbase",
+  "quotedblright",
+  "guillemotright",
+  "ellipsis",
+  "perthousand",
+  "questiondown",
+  "grave",
+  "acute",
+  "circumflex",
+  "tilde",
+  "macron",
+  "breve",
+  "dotaccent",
+  "dieresis",
+  "ring",
+  "cedilla",
+  "hungarumlaut",
+  "ogonek",
+  "caron",
+  "emdash",
+  "AE",
+  "ordfeminine",
+  "Lslash",
+  "Oslash",
+  "OE",
+  "ordmasculine",
+  "ae",
+  "dotlessi",
+  "lslash",
+  "oslash",
+  "oe",
+  "germandbls",
+  "onesuperior",
+  "logicalnot",
+  "mu",
+  "trademark",
+  "Eth",
+  "onehalf",
+  "plusminus",
+  "Thorn",
+  "onequarter",
+  "divide",
+  "brokenbar",
+  "degree",
+  "thorn",
+  "threequarters",
+  "twosuperior",
+  "registered",
+  "minus",
+  "eth",
+  "multiply",
+  "threesuperior",
+  "copyright",
+  "Aacute",
+  "Acircumflex",
+  "Adieresis",
+  "Agrave",
+  "Aring",
+  "Atilde",
+  "Ccedilla",
+  "Eacute",
+  "Ecircumflex",
+  "Edieresis",
+  "Egrave",
+  "Iacute",
+  "Icircumflex",
+  "Idieresis",
+  "Igrave",
+  "Ntilde",
+  "Oacute",
+  "Ocircumflex",
+  "Odieresis",
+  "Ograve",
+  "Otilde",
+  "Scaron",
+  "Uacute",
+  "Ucircumflex",
+  "Udieresis",
+  "Ugrave",
+  "Yacute",
+  "Ydieresis",
+  "Zcaron",
+  "aacute",
+  "acircumflex",
+  "adieresis",
+  "agrave",
+  "aring",
+  "atilde",
+  "ccedilla",
+  "eacute",
+  "ecircumflex",
+  "edieresis",
+  "egrave",
+  "iacute",
+  "icircumflex",
+  "idieresis",
+  "igrave",
+  "ntilde",
+  "oacute",
+  "ocircumflex",
+  "odieresis",
+  "ograve",
+  "otilde",
+  "scaron",
+  "uacute",
+  "ucircumflex",
+  "udieresis",
+  "ugrave",
+  "yacute",
+  "ydieresis",
+  "zcaron",
+  "exclamsmall",
+  "Hungarumlautsmall",
+  "dollaroldstyle",
+  "dollarsuperior",
+  "ampersandsmall",
+  "Acutesmall",
+  "parenleftsuperior",
+  "parenrightsuperior",
+  "twodotenleader",
+  "onedotenleader",
+  "zerooldstyle",
+  "oneoldstyle",
+  "twooldstyle",
+  "threeoldstyle",
+  "fouroldstyle",
+  "fiveoldstyle",
+  "sixoldstyle",
+  "sevenoldstyle",
+  "eightoldstyle",
+  "nineoldstyle",
+  "commasuperior",
+  "threequartersemdash",
+  "periodsuperior",
+  "questionsmall",
+  "asuperior",
+  "bsuperior",
+  "centsuperior",
+  "dsuperior",
+  "esuperior",
+  "isuperior",
+  "lsuperior",
+  "msuperior",
+  "nsuperior",
+  "osuperior",
+  "rsuperior",
+  "ssuperior",
+  "tsuperior",
+  "ff",
+  "ffi",
+  "ffl",
+  "parenleftinferior",
+  "parenrightinferior",
+  "Circumflexsmall",
+  "hyphensuperior",
+  "Gravesmall",
+  "Asmall",
+  "Bsmall",
+  "Csmall",
+  "Dsmall",
+  "Esmall",
+  "Fsmall",
+  "Gsmall",
+  "Hsmall",
+  "Ismall",
+  "Jsmall",
+  "Ksmall",
+  "Lsmall",
+  "Msmall",
+  "Nsmall",
+  "Osmall",
+  "Psmall",
+  "Qsmall",
+  "Rsmall",
+  "Ssmall",
+  "Tsmall",
+  "Usmall",
+  "Vsmall",
+  "Wsmall",
+  "Xsmall",
+  "Ysmall",
+  "Zsmall",
+  "colonmonetary",
+  "onefitted",
+  "rupiah",
+  "Tildesmall",
+  "exclamdownsmall",
+  "centoldstyle",
+  "Lslashsmall",
+  "Scaronsmall",
+  "Zcaronsmall",
+  "Dieresissmall",
+  "Brevesmall",
+  "Caronsmall",
+  "Dotaccentsmall",
+  "Macronsmall",
+  "figuredash",
+  "hypheninferior",
+  "Ogoneksmall",
+  "Ringsmall",
+  "Cedillasmall",
+  "questiondownsmall",
+  "oneeighth",
+  "threeeighths",
+  "fiveeighths",
+  "seveneighths",
+  "onethird",
+  "twothirds",
+  "zerosuperior",
+  "foursuperior",
+  "fivesuperior",
+  "sixsuperior",
+  "sevensuperior",
+  "eightsuperior",
+  "ninesuperior",
+  "zeroinferior",
+  "oneinferior",
+  "twoinferior",
+  "threeinferior",
+  "fourinferior",
+  "fiveinferior",
+  "sixinferior",
+  "seveninferior",
+  "eightinferior",
+  "nineinferior",
+  "centinferior",
+  "dollarinferior",
+  "periodinferior",
+  "commainferior",
+  "Agravesmall",
+  "Aacutesmall",
+  "Acircumflexsmall",
+  "Atildesmall",
+  "Adieresissmall",
+  "Aringsmall",
+  "AEsmall",
+  "Ccedillasmall",
+  "Egravesmall",
+  "Eacutesmall",
+  "Ecircumflexsmall",
+  "Edieresissmall",
+  "Igravesmall",
+  "Iacutesmall",
+  "Icircumflexsmall",
+  "Idieresissmall",
+  "Ethsmall",
+  "Ntildesmall",
+  "Ogravesmall",
+  "Oacutesmall",
+  "Ocircumflexsmall",
+  "Otildesmall",
+  "Odieresissmall",
+  "OEsmall",
+  "Oslashsmall",
+  "Ugravesmall",
+  "Uacutesmall",
+  "Ucircumflexsmall",
+  "Udieresissmall",
+  "Yacutesmall",
+  "Thornsmall",
+  "Ydieresissmall",
+  "001.000",
+  "001.001",
+  "001.002",
+  "001.003",
+  "Black",
+  "Bold",
+  "Book",
+  "Light",
+  "Medium",
+  "Regular",
+  "Roman",
+  "Semibold"
+};
+
+static Gushort type1CISOAdobeCharset[229] = {
+    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,
+   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,
+   20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
+   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,
+   40,  41,  42,  43,  44,  45,  46,  47,  48,  49,
+   50,  51,  52,  53,  54,  55,  56,  57,  58,  59,
+   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,
+   70,  71,  72,  73,  74,  75,  76,  77,  78,  79,
+   80,  81,  82,  83,  84,  85,  86,  87,  88,  89,
+   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,
+  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+  110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+  120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+  130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+  140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+  150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+  160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+  170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+  180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+  190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
+  200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
+  210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
+  220, 221, 222, 223, 224, 225, 226, 227, 228
+};
+
+static Gushort type1CExpertCharset[166] = {
+    0,   1, 229, 230, 231, 232, 233, 234, 235, 236,
+  237, 238,  13,  14,  15,  99, 239, 240, 241, 242,
+  243, 244, 245, 246, 247, 248,  27,  28, 249, 250,
+  251, 252, 253, 254, 255, 256, 257, 258, 259, 260,
+  261, 262, 263, 264, 265, 266, 109, 110, 267, 268,
+  269, 270, 271, 272, 273, 274, 275, 276, 277, 278,
+  279, 280, 281, 282, 283, 284, 285, 286, 287, 288,
+  289, 290, 291, 292, 293, 294, 295, 296, 297, 298,
+  299, 300, 301, 302, 303, 304, 305, 306, 307, 308,
+  309, 310, 311, 312, 313, 314, 315, 316, 317, 318,
+  158, 155, 163, 319, 320, 321, 322, 323, 324, 325,
+  326, 150, 164, 169, 327, 328, 329, 330, 331, 332,
+  333, 334, 335, 336, 337, 338, 339, 340, 341, 342,
+  343, 344, 345, 346, 347, 348, 349, 350, 351, 352,
+  353, 354, 355, 356, 357, 358, 359, 360, 361, 362,
+  363, 364, 365, 366, 367, 368, 369, 370, 371, 372,
+  373, 374, 375, 376, 377, 378
+};
+
+static Gushort type1CExpertSubsetCharset[87] = {
+    0,   1, 231, 232, 235, 236, 237, 238,  13,  14,
+   15,  99, 239, 240, 241, 242, 243, 244, 245, 246,
+  247, 248,  27,  28, 249, 250, 251, 253, 254, 255,
+  256, 257, 258, 259, 260, 261, 262, 263, 264, 265,
+  266, 109, 110, 267, 268, 269, 270, 272, 300, 301,
+  302, 305, 314, 315, 158, 155, 163, 320, 321, 322,
+  323, 324, 325, 326, 150, 164, 169, 327, 328, 329,
+  330, 331, 332, 333, 334, 335, 336, 337, 338, 339,
+  340, 341, 342, 343, 344, 345, 346
+};
+
+#endif
diff --git a/pdftops/Decrypt.cxx b/pdftops/Decrypt.cxx
new file mode 100644
index 000000000..623f59417
--- /dev/null
+++ b/pdftops/Decrypt.cxx
@@ -0,0 +1,384 @@
+//========================================================================
+//
+// Decrypt.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include "gmem.h"
+#include "Decrypt.h"
+
+static void rc4InitKey(Guchar *key, int keyLen, Guchar *state);
+static Guchar rc4DecryptByte(Guchar *state, Guchar *x, Guchar *y, Guchar c);
+static void md5(Guchar *msg, int msgLen, Guchar *digest);
+
+static Guchar passwordPad[32] = {
+  0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41,
+  0x64, 0x00, 0x4e, 0x56, 0xff, 0xfa, 0x01, 0x08, 
+  0x2e, 0x2e, 0x00, 0xb6, 0xd0, 0x68, 0x3e, 0x80, 
+  0x2f, 0x0c, 0xa9, 0xfe, 0x64, 0x53, 0x69, 0x7a
+};
+
+//------------------------------------------------------------------------
+// Decrypt
+//------------------------------------------------------------------------
+
+Decrypt::Decrypt(Guchar *fileKey, int keyLength, int objNum, int objGen) {
+  int i;
+
+  // construct object key
+  for (i = 0; i < keyLength; ++i) {
+    objKey[i] = fileKey[i];
+  }
+  objKey[keyLength] = objNum & 0xff;
+  objKey[keyLength + 1] = (objNum >> 8) & 0xff;
+  objKey[keyLength + 2] = (objNum >> 16) & 0xff;
+  objKey[keyLength + 3] = objGen & 0xff;
+  objKey[keyLength + 4] = (objGen >> 8) & 0xff;
+  md5(objKey, keyLength + 5, objKey);
+
+  // set up for decryption
+  x = y = 0;
+  if ((objKeyLength = keyLength + 5) > 16) {
+    objKeyLength = 16;
+  }
+  rc4InitKey(objKey, objKeyLength, state);
+}
+
+void Decrypt::reset() {
+  x = y = 0;
+  rc4InitKey(objKey, objKeyLength, state);
+}
+
+Guchar Decrypt::decryptByte(Guchar c) {
+  return rc4DecryptByte(state, &x, &y, c);
+}
+
+GBool Decrypt::makeFileKey(int encVersion, int encRevision, int keyLength,
+			   GString *ownerKey, GString *userKey,
+			   int permissions, GString *fileID,
+			   GString *ownerPassword, GString *userPassword,
+			   Guchar *fileKey, GBool *ownerPasswordOk) {
+  Guchar test[32];
+  GString *userPassword2;
+  Guchar fState[256];
+  Guchar fx, fy;
+  int len, i;
+
+  // try using the supplied owner password to generate the user password
+  if (ownerPassword) {
+    len = ownerPassword->getLength();
+    if (len < 32) {
+      memcpy(test, ownerPassword->getCString(), len);
+      memcpy(test + len, passwordPad, 32 - len);
+    } else {
+      memcpy(test, ownerPassword->getCString(), 32);
+    }
+  } else {
+    memcpy(test, passwordPad, 32);
+  }
+  md5(test, 32, test);
+  if (encRevision == 3) {
+    for (i = 0; i < 50; ++i) {
+      md5(test, 16, test);
+    }
+  }
+  rc4InitKey(test, keyLength, fState);
+  fx = fy = 0;
+  for (i = 0; i < 32; ++i) {
+    test[i] = rc4DecryptByte(fState, &fx, &fy, ownerKey->getChar(i));
+  }
+  userPassword2 = new GString((char *)test, 32);
+  if (makeFileKey2(encVersion, encRevision, keyLength, ownerKey, userKey,
+		   permissions, fileID, userPassword2, fileKey)) {
+    *ownerPasswordOk = gTrue;
+    delete userPassword2;
+    return gTrue;
+  }
+  *ownerPasswordOk = gFalse;
+  delete userPassword2;
+
+  // try using the supplied user password
+  return makeFileKey2(encVersion, encRevision, keyLength, ownerKey, userKey,
+		      permissions, fileID, userPassword, fileKey);
+}
+
+GBool Decrypt::makeFileKey2(int encVersion, int encRevision, int keyLength,
+			    GString *ownerKey, GString *userKey,
+			    int permissions, GString *fileID,
+			    GString *userPassword, Guchar *fileKey) {
+  Guchar *buf;
+  Guchar test[32];
+  Guchar fState[256];
+  Guchar tmpKey[16];
+  Guchar fx, fy;
+  int len, i, j;
+  GBool ok;
+
+  // generate file key
+  buf = (Guchar *)gmalloc(68 + fileID->getLength());
+  if (userPassword) {
+    len = userPassword->getLength();
+    if (len < 32) {
+      memcpy(buf, userPassword->getCString(), len);
+      memcpy(buf + len, passwordPad, 32 - len);
+    } else {
+      memcpy(buf, userPassword->getCString(), 32);
+    }
+  } else {
+    memcpy(buf, passwordPad, 32);
+  }
+  memcpy(buf + 32, ownerKey->getCString(), 32);
+  buf[64] = permissions & 0xff;
+  buf[65] = (permissions >> 8) & 0xff;
+  buf[66] = (permissions >> 16) & 0xff;
+  buf[67] = (permissions >> 24) & 0xff;
+  memcpy(buf + 68, fileID->getCString(), fileID->getLength());
+  md5(buf, 68 + fileID->getLength(), fileKey);
+  if (encRevision == 3) {
+    for (i = 0; i < 50; ++i) {
+      md5(fileKey, 16, fileKey);
+    }
+  }
+
+  // test user password
+  if (encRevision == 2) {
+    rc4InitKey(fileKey, keyLength, fState);
+    fx = fy = 0;
+    for (i = 0; i < 32; ++i) {
+      test[i] = rc4DecryptByte(fState, &fx, &fy, userKey->getChar(i));
+    }
+    ok = memcmp(test, passwordPad, 32) == 0;
+  } else if (encRevision == 3) {
+    memcpy(test, userKey->getCString(), 32);
+    for (i = 19; i >= 0; --i) {
+      for (j = 0; j < keyLength; ++j) {
+	tmpKey[j] = fileKey[j] ^ i;
+      }
+      rc4InitKey(tmpKey, keyLength, fState);
+      fx = fy = 0;
+      for (j = 0; j < 32; ++j) {
+	test[j] = rc4DecryptByte(fState, &fx, &fy, test[j]);
+      }
+    }
+    memcpy(buf, passwordPad, 32);
+    memcpy(buf + 32, fileID->getCString(), fileID->getLength());
+    md5(buf, 32 + fileID->getLength(), buf);
+    ok = memcmp(test, buf, 16) == 0;
+  } else {
+    ok = gFalse;
+  }
+
+  gfree(buf);
+  return ok;
+}
+
+//------------------------------------------------------------------------
+// RC4-compatible decryption
+//------------------------------------------------------------------------
+
+static void rc4InitKey(Guchar *key, int keyLen, Guchar *state) {
+  Guchar index1, index2;
+  Guchar t;
+  int i;
+
+  for (i = 0; i < 256; ++i)
+    state[i] = i;
+  index1 = index2 = 0;
+  for (i = 0; i < 256; ++i) {
+    index2 = (key[index1] + state[i] + index2) % 256;
+    t = state[i];
+    state[i] = state[index2];
+    state[index2] = t;
+    index1 = (index1 + 1) % keyLen;
+  }
+}
+
+static Guchar rc4DecryptByte(Guchar *state, Guchar *x, Guchar *y, Guchar c) {
+  Guchar x1, y1, tx, ty;
+
+  x1 = *x = (*x + 1) % 256;
+  y1 = *y = (state[*x] + *y) % 256;
+  tx = state[x1];
+  ty = state[y1];
+  state[x1] = ty;
+  state[y1] = tx;
+  return c ^ state[(tx + ty) % 256];
+}
+
+//------------------------------------------------------------------------
+// MD5 message digest
+//------------------------------------------------------------------------
+
+// this works around a bug in older Sun compilers
+static inline Gulong rotateLeft(Gulong x, int r) {
+  x &= 0xffffffff;
+  return ((x << r) | (x >> (32 - r))) & 0xffffffff;
+}
+
+static inline Gulong md5Round1(Gulong a, Gulong b, Gulong c, Gulong d,
+			       Gulong Xk,  Gulong s, Gulong Ti) {
+  return b + rotateLeft((a + ((b & c) | (~b & d)) + Xk + Ti), s);
+}
+
+static inline Gulong md5Round2(Gulong a, Gulong b, Gulong c, Gulong d,
+			       Gulong Xk,  Gulong s, Gulong Ti) {
+  return b + rotateLeft((a + ((b & d) | (c & ~d)) + Xk + Ti), s);
+}
+
+static inline Gulong md5Round3(Gulong a, Gulong b, Gulong c, Gulong d,
+			       Gulong Xk,  Gulong s, Gulong Ti) {
+  return b + rotateLeft((a + (b ^ c ^ d) + Xk + Ti), s);
+}
+
+static inline Gulong md5Round4(Gulong a, Gulong b, Gulong c, Gulong d,
+			       Gulong Xk,  Gulong s, Gulong Ti) {
+  return b + rotateLeft((a + (c ^ (b | ~d)) + Xk + Ti), s);
+}
+
+static void md5(Guchar *msg, int msgLen, Guchar *digest) {
+  Gulong x[16];
+  Gulong a, b, c, d, aa, bb, cc, dd;
+  int n64;
+  int i, j, k;
+
+  // compute number of 64-byte blocks
+  // (length + pad byte (0x80) + 8 bytes for length)
+  n64 = (msgLen + 1 + 8 + 63) / 64;
+
+  // initialize a, b, c, d
+  a = 0x67452301;
+  b = 0xefcdab89;
+  c = 0x98badcfe;
+  d = 0x10325476;
+
+  // loop through blocks
+  k = 0;
+  for (i = 0; i < n64; ++i) {
+
+    // grab a 64-byte block
+    for (j = 0; j < 16 && k < msgLen - 3; ++j, k += 4)
+      x[j] = (((((msg[k+3] << 8) + msg[k+2]) << 8) + msg[k+1]) << 8) + msg[k];
+    if (i == n64 - 1) {
+      if (k == msgLen - 3)
+	x[j] = 0x80000000 + (((msg[k+2] << 8) + msg[k+1]) << 8) + msg[k];
+      else if (k == msgLen - 2)
+	x[j] = 0x800000 + (msg[k+1] << 8) + msg[k];
+      else if (k == msgLen - 1)
+	x[j] = 0x8000 + msg[k];
+      else
+	x[j] = 0x80;
+      ++j;
+      while (j < 16)
+	x[j++] = 0;
+      x[14] = msgLen << 3;
+    }
+
+    // save a, b, c, d
+    aa = a;
+    bb = b;
+    cc = c;
+    dd = d;
+
+    // round 1
+    a = md5Round1(a, b, c, d, x[0],   7, 0xd76aa478);
+    d = md5Round1(d, a, b, c, x[1],  12, 0xe8c7b756);
+    c = md5Round1(c, d, a, b, x[2],  17, 0x242070db);
+    b = md5Round1(b, c, d, a, x[3],  22, 0xc1bdceee);
+    a = md5Round1(a, b, c, d, x[4],   7, 0xf57c0faf);
+    d = md5Round1(d, a, b, c, x[5],  12, 0x4787c62a);
+    c = md5Round1(c, d, a, b, x[6],  17, 0xa8304613);
+    b = md5Round1(b, c, d, a, x[7],  22, 0xfd469501);
+    a = md5Round1(a, b, c, d, x[8],   7, 0x698098d8);
+    d = md5Round1(d, a, b, c, x[9],  12, 0x8b44f7af);
+    c = md5Round1(c, d, a, b, x[10], 17, 0xffff5bb1);
+    b = md5Round1(b, c, d, a, x[11], 22, 0x895cd7be);
+    a = md5Round1(a, b, c, d, x[12],  7, 0x6b901122);
+    d = md5Round1(d, a, b, c, x[13], 12, 0xfd987193);
+    c = md5Round1(c, d, a, b, x[14], 17, 0xa679438e);
+    b = md5Round1(b, c, d, a, x[15], 22, 0x49b40821);
+
+    // round 2
+    a = md5Round2(a, b, c, d, x[1],   5, 0xf61e2562);
+    d = md5Round2(d, a, b, c, x[6],   9, 0xc040b340);
+    c = md5Round2(c, d, a, b, x[11], 14, 0x265e5a51);
+    b = md5Round2(b, c, d, a, x[0],  20, 0xe9b6c7aa);
+    a = md5Round2(a, b, c, d, x[5],   5, 0xd62f105d);
+    d = md5Round2(d, a, b, c, x[10],  9, 0x02441453);
+    c = md5Round2(c, d, a, b, x[15], 14, 0xd8a1e681);
+    b = md5Round2(b, c, d, a, x[4],  20, 0xe7d3fbc8);
+    a = md5Round2(a, b, c, d, x[9],   5, 0x21e1cde6);
+    d = md5Round2(d, a, b, c, x[14],  9, 0xc33707d6);
+    c = md5Round2(c, d, a, b, x[3],  14, 0xf4d50d87);
+    b = md5Round2(b, c, d, a, x[8],  20, 0x455a14ed);
+    a = md5Round2(a, b, c, d, x[13],  5, 0xa9e3e905);
+    d = md5Round2(d, a, b, c, x[2],   9, 0xfcefa3f8);
+    c = md5Round2(c, d, a, b, x[7],  14, 0x676f02d9);
+    b = md5Round2(b, c, d, a, x[12], 20, 0x8d2a4c8a);
+
+    // round 3
+    a = md5Round3(a, b, c, d, x[5],   4, 0xfffa3942);
+    d = md5Round3(d, a, b, c, x[8],  11, 0x8771f681);
+    c = md5Round3(c, d, a, b, x[11], 16, 0x6d9d6122);
+    b = md5Round3(b, c, d, a, x[14], 23, 0xfde5380c);
+    a = md5Round3(a, b, c, d, x[1],   4, 0xa4beea44);
+    d = md5Round3(d, a, b, c, x[4],  11, 0x4bdecfa9);
+    c = md5Round3(c, d, a, b, x[7],  16, 0xf6bb4b60);
+    b = md5Round3(b, c, d, a, x[10], 23, 0xbebfbc70);
+    a = md5Round3(a, b, c, d, x[13],  4, 0x289b7ec6);
+    d = md5Round3(d, a, b, c, x[0],  11, 0xeaa127fa);
+    c = md5Round3(c, d, a, b, x[3],  16, 0xd4ef3085);
+    b = md5Round3(b, c, d, a, x[6],  23, 0x04881d05);
+    a = md5Round3(a, b, c, d, x[9],   4, 0xd9d4d039);
+    d = md5Round3(d, a, b, c, x[12], 11, 0xe6db99e5);
+    c = md5Round3(c, d, a, b, x[15], 16, 0x1fa27cf8);
+    b = md5Round3(b, c, d, a, x[2],  23, 0xc4ac5665);
+
+    // round 4
+    a = md5Round4(a, b, c, d, x[0],   6, 0xf4292244);
+    d = md5Round4(d, a, b, c, x[7],  10, 0x432aff97);
+    c = md5Round4(c, d, a, b, x[14], 15, 0xab9423a7);
+    b = md5Round4(b, c, d, a, x[5],  21, 0xfc93a039);
+    a = md5Round4(a, b, c, d, x[12],  6, 0x655b59c3);
+    d = md5Round4(d, a, b, c, x[3],  10, 0x8f0ccc92);
+    c = md5Round4(c, d, a, b, x[10], 15, 0xffeff47d);
+    b = md5Round4(b, c, d, a, x[1],  21, 0x85845dd1);
+    a = md5Round4(a, b, c, d, x[8],   6, 0x6fa87e4f);
+    d = md5Round4(d, a, b, c, x[15], 10, 0xfe2ce6e0);
+    c = md5Round4(c, d, a, b, x[6],  15, 0xa3014314);
+    b = md5Round4(b, c, d, a, x[13], 21, 0x4e0811a1);
+    a = md5Round4(a, b, c, d, x[4],   6, 0xf7537e82);
+    d = md5Round4(d, a, b, c, x[11], 10, 0xbd3af235);
+    c = md5Round4(c, d, a, b, x[2],  15, 0x2ad7d2bb);
+    b = md5Round4(b, c, d, a, x[9],  21, 0xeb86d391);
+
+    // increment a, b, c, d
+    a += aa;
+    b += bb;
+    c += cc;
+    d += dd;
+  }
+
+  // break digest into bytes
+  digest[0] = a & 0xff;
+  digest[1] = (a >>= 8) & 0xff;
+  digest[2] = (a >>= 8) & 0xff;
+  digest[3] = (a >>= 8) & 0xff;
+  digest[4] = b & 0xff;
+  digest[5] = (b >>= 8) & 0xff;
+  digest[6] = (b >>= 8) & 0xff;
+  digest[7] = (b >>= 8) & 0xff;
+  digest[8] = c & 0xff;
+  digest[9] = (c >>= 8) & 0xff;
+  digest[10] = (c >>= 8) & 0xff;
+  digest[11] = (c >>= 8) & 0xff;
+  digest[12] = d & 0xff;
+  digest[13] = (d >>= 8) & 0xff;
+  digest[14] = (d >>= 8) & 0xff;
+  digest[15] = (d >>= 8) & 0xff;
+}
diff --git a/pdftops/Decrypt.h b/pdftops/Decrypt.h
new file mode 100644
index 000000000..1bdb2b7ec
--- /dev/null
+++ b/pdftops/Decrypt.h
@@ -0,0 +1,59 @@
+//========================================================================
+//
+// Decrypt.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef DECRYPT_H
+#define DECRYPT_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "GString.h"
+
+//------------------------------------------------------------------------
+// Decrypt
+//------------------------------------------------------------------------
+
+class Decrypt {
+public:
+
+  // Initialize the decryptor object.
+  Decrypt(Guchar *fileKey, int keyLength, int objNum, int objGen);
+
+  // Reset decryption.
+  void reset();
+
+  // Decrypt one byte.
+  Guchar decryptByte(Guchar c);
+
+  // Generate a file key.  The <fileKey> buffer must have space for at
+  // least 16 bytes.  Checks <ownerPassword> and then <userPassword>
+  // and returns true if either is correct.  Sets <ownerPasswordOk> if
+  // the owner password was correct.  Either or both of the passwords
+  // may be NULL, which is treated as an empty string.
+  static GBool makeFileKey(int encVersion, int encRevision, int keyLength,
+			   GString *ownerKey, GString *userKey,
+			   int permissions, GString *fileID,
+			   GString *ownerPassword, GString *userPassword,
+			   Guchar *fileKey, GBool *ownerPasswordOk);
+
+private:
+
+  static GBool makeFileKey2(int encVersion, int encRevision, int keyLength,
+			    GString *ownerKey, GString *userKey,
+			    int permissions, GString *fileID,
+			    GString *userPassword, Guchar *fileKey);
+
+  int objKeyLength;
+  Guchar objKey[21];
+  Guchar state[256];
+  Guchar x, y;
+};
+
+#endif
diff --git a/pdftops/Dict.cxx b/pdftops/Dict.cxx
new file mode 100644
index 000000000..1ebadfce0
--- /dev/null
+++ b/pdftops/Dict.cxx
@@ -0,0 +1,89 @@
+//========================================================================
+//
+// Dict.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include <string.h>
+#include "gmem.h"
+#include "Object.h"
+#include "XRef.h"
+#include "Dict.h"
+
+//------------------------------------------------------------------------
+// Dict
+//------------------------------------------------------------------------
+
+Dict::Dict(XRef *xrefA) {
+  xref = xrefA;
+  entries = NULL;
+  size = length = 0;
+  ref = 1;
+}
+
+Dict::~Dict() {
+  int i;
+
+  for (i = 0; i < length; ++i) {
+    gfree(entries[i].key);
+    entries[i].val.free();
+  }
+  gfree(entries);
+}
+
+void Dict::add(char *key, Object *val) {
+  if (length + 1 > size) {
+    size += 8;
+    entries = (DictEntry *)grealloc(entries, size * sizeof(DictEntry));
+  }
+  entries[length].key = key;
+  entries[length].val = *val;
+  ++length;
+}
+
+inline DictEntry *Dict::find(char *key) {
+  int i;
+
+  for (i = 0; i < length; ++i) {
+    if (!strcmp(key, entries[i].key))
+      return &entries[i];
+  }
+  return NULL;
+}
+
+GBool Dict::is(char *type) {
+  DictEntry *e;
+
+  return (e = find("Type")) && e->val.isName(type);
+}
+
+Object *Dict::lookup(char *key, Object *obj) {
+  DictEntry *e;
+
+  return (e = find(key)) ? e->val.fetch(xref, obj) : obj->initNull();
+}
+
+Object *Dict::lookupNF(char *key, Object *obj) {
+  DictEntry *e;
+
+  return (e = find(key)) ? e->val.copy(obj) : obj->initNull();
+}
+
+char *Dict::getKey(int i) {
+  return entries[i].key;
+}
+
+Object *Dict::getVal(int i, Object *obj) {
+  return entries[i].val.fetch(xref, obj);
+}
+
+Object *Dict::getValNF(int i, Object *obj) {
+  return entries[i].val.copy(obj);
+}
diff --git a/pdftops/Dict.h b/pdftops/Dict.h
new file mode 100644
index 000000000..c4f1ea58d
--- /dev/null
+++ b/pdftops/Dict.h
@@ -0,0 +1,75 @@
+//========================================================================
+//
+// Dict.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef DICT_H
+#define DICT_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "Object.h"
+
+//------------------------------------------------------------------------
+// Dict
+//------------------------------------------------------------------------
+
+struct DictEntry {
+  char *key;
+  Object val;
+};
+
+class Dict {
+public:
+
+  // Constructor.
+  Dict(XRef *xrefA);
+
+  // Destructor.
+  ~Dict();
+
+  // Reference counting.
+  int incRef() { return ++ref; }
+  int decRef() { return --ref; }
+
+  // Get number of entries.
+  int getLength() { return length; }
+
+  // Add an entry.  NB: does not copy key.
+  void add(char *key, Object *val);
+
+  // Check if dictionary is of specified type.
+  GBool is(char *type);
+
+  // Look up an entry and return the value.  Returns a null object
+  // if <key> is not in the dictionary.
+  Object *lookup(char *key, Object *obj);
+  Object *lookupNF(char *key, Object *obj);
+
+  // Iterative accessors.
+  char *getKey(int i);
+  Object *getVal(int i, Object *obj);
+  Object *getValNF(int i, Object *obj);
+
+  // Set the xref pointer.  This is only used in one special case: the
+  // trailer dictionary, which is read before the xref table is
+  // parsed.
+  void setXRef(XRef *xrefA) { xref = xrefA; }
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  DictEntry *entries;		// array of entries
+  int size;			// size of <entries> array
+  int length;			// number of entries in dictionary
+  int ref;			// reference count
+
+  DictEntry *find(char *key);
+};
+
+#endif
diff --git a/pdftops/Error.cxx b/pdftops/Error.cxx
new file mode 100644
index 000000000..81010e019
--- /dev/null
+++ b/pdftops/Error.cxx
@@ -0,0 +1,47 @@
+//========================================================================
+//
+// Error.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include "gtypes.h"
+#include "Params.h"
+#include "Error.h"
+
+FILE *errFile;
+GBool errQuiet;
+
+void errorInit() {
+  if (errQuiet) {
+    errFile = NULL;
+  } else {
+    errFile = stderr;
+  }
+}
+
+void CDECL error(int pos, const char *msg, ...) {
+  va_list args;
+
+  if (errQuiet) {
+    return;
+  }
+  if (pos >= 0) {
+    fprintf(errFile, "Error (%d): ", pos);
+  } else {
+    fprintf(errFile, "Error: ");
+  }
+  va_start(args, msg);
+  vfprintf(errFile, msg, args);
+  va_end(args);
+  fprintf(errFile, "\n");
+  fflush(errFile);
+}
diff --git a/pdftops/Error.h b/pdftops/Error.h
new file mode 100644
index 000000000..926abcd5a
--- /dev/null
+++ b/pdftops/Error.h
@@ -0,0 +1,26 @@
+//========================================================================
+//
+// Error.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef ERROR_H
+#define ERROR_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stdio.h>
+#include "config.h"
+
+// File to send error (and other) messages to.
+extern FILE *errFile;
+
+extern void errorInit();
+
+extern void CDECL error(int pos, const char *msg, ...);
+
+#endif
diff --git a/pdftops/FontEncoding.cxx b/pdftops/FontEncoding.cxx
new file mode 100644
index 000000000..3d084cc9d
--- /dev/null
+++ b/pdftops/FontEncoding.cxx
@@ -0,0 +1,143 @@
+//========================================================================
+//
+// FontEncoding.cc
+//
+// Copyright 1999 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include "gmem.h"
+#include "FontEncoding.h"
+
+//------------------------------------------------------------------------
+// FontEncoding
+//------------------------------------------------------------------------
+
+inline int FontEncoding::hash(char *name) {
+  Guint h;
+
+  h = (Guint)name[0] & 0xff;
+  if (h && name[1])
+    h = h * 61 + ((Guint)name[1] & 0xff);
+  return (int)(h % (Guint)fontEncHashSize);
+}
+
+FontEncoding::FontEncoding() {
+  int i;
+
+  encoding = (char **)gmalloc(256 * sizeof(char *));
+  size = 256;
+  freeEnc = gTrue;
+  for (i = 0; i < 256; ++i)
+    encoding[i] = NULL;
+  for (i = 0; i < fontEncHashSize; ++i)
+    hashTab[i] = -1;
+}
+
+FontEncoding::FontEncoding(char **encodingA, int sizeA) {
+  int i;
+
+  encoding = encodingA;
+  size = sizeA;
+  freeEnc = gFalse;
+  for (i = 0; i < fontEncHashSize; ++i)
+    hashTab[i] = -1;
+  for (i = 0; i < size; ++i) {
+    if (encoding[i])
+      addChar1(i, encoding[i]);
+  }
+}
+
+FontEncoding::FontEncoding(FontEncoding *fontEnc) {
+  int i;
+
+  encoding = (char **)gmalloc(fontEnc->size * sizeof(char *));
+  size = fontEnc->size;
+  freeEnc = gTrue;
+  for (i = 0; i < size; ++i) {
+    encoding[i] =
+      fontEnc->encoding[i] ? copyString(fontEnc->encoding[i]) : (char *)NULL;
+  }
+  memcpy(hashTab, fontEnc->hashTab, fontEncHashSize * sizeof(short));
+}
+
+void FontEncoding::addChar(int code, char *name) {
+  int h, i;
+
+  // replace character associated with code
+  if (encoding[code]) {
+    h = hash(encoding[code]);
+    for (i = 0; i < fontEncHashSize; ++i) {
+      if (hashTab[h] == code) {
+	hashTab[h] = -2;
+	break;
+      }
+      if (++h == fontEncHashSize)
+	h = 0;
+    }
+    gfree(encoding[code]);
+  }
+
+  // associate name with code
+  encoding[code] = name;
+
+  // insert name in hash table
+  addChar1(code, name);
+}
+
+void FontEncoding::addChar1(int code, char *name) {
+  int h, i, code2;
+
+  // insert name in hash table
+  h = hash(name); 
+  for (i = 0; i < fontEncHashSize; ++i) {
+    code2 = hashTab[h];
+    if (code2 < 0) {
+      hashTab[h] = code;
+      break;
+    } else if (encoding[code2] && !strcmp(encoding[code2], name)) {
+      // keep the highest code for each char -- this is needed because
+      // X won't display chars with codes < 32
+      if (code > code2)
+	hashTab[h] = code;
+      break;
+    }
+    if (++h == fontEncHashSize)
+      h = 0;
+  }
+}
+
+FontEncoding::~FontEncoding() {
+  int i;
+
+  if (freeEnc) {
+    for (i = 0; i < size; ++i) {
+      if (encoding[i])
+	gfree(encoding[i]);
+    }
+    gfree(encoding);
+  }
+}
+
+int FontEncoding::getCharCode(char *name) {
+  int h, i, code;
+
+  h = hash(name);
+  for (i = 0; i < fontEncHashSize; ++i) {
+    code = hashTab[h];
+    if (code == -1 ||
+	(code >= 0 && encoding[code] && !strcmp(encoding[code], name)))
+      return code;
+    if (++h >= fontEncHashSize)
+      h = 0;
+  }
+  return -1;
+}
diff --git a/pdftops/FontEncoding.h b/pdftops/FontEncoding.h
new file mode 100644
index 000000000..9a5695dbe
--- /dev/null
+++ b/pdftops/FontEncoding.h
@@ -0,0 +1,64 @@
+//========================================================================
+//
+// FontEncoding.h
+//
+// Copyright 1999 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef FONTENCODING_H
+#define FONTENCODING_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+
+//------------------------------------------------------------------------
+// FontEncoding
+//------------------------------------------------------------------------
+
+#define fontEncHashSize 419
+
+class FontEncoding {
+public:
+
+  // Construct an empty encoding.
+  FontEncoding();
+
+  // Construct an encoding from an array of char names.
+  FontEncoding(char **encodingA, int sizeA);
+
+  // Destructor.
+  ~FontEncoding();
+
+  // Create a copy of the encoding.
+  FontEncoding *copy() { return new FontEncoding(this); }
+
+  // Return number of codes in encoding, i.e., max code + 1.
+  int getSize() { return size; }
+
+  // Add a char to the encoding.
+  void addChar(int code, char *name);
+
+  // Return the character name associated with <code>.
+  char *getCharName(int code) { return encoding[code]; }
+
+  // Return the code associated with <name>.
+  int getCharCode(char *name);
+
+private:
+
+  FontEncoding(FontEncoding *fontEnc);
+  int hash(char *name);
+  void addChar1(int code, char *name);
+
+  char **encoding;		// code --> name mapping
+  int size;			// number of codes
+  GBool freeEnc;		// should we free the encoding array?
+  short				// name --> code hash table
+    hashTab[fontEncHashSize];
+};
+
+#endif
diff --git a/pdftops/FontFile.cxx b/pdftops/FontFile.cxx
new file mode 100644
index 000000000..4054db7cd
--- /dev/null
+++ b/pdftops/FontFile.cxx
@@ -0,0 +1,2530 @@
+//========================================================================
+//
+// FontFile.cc
+//
+// Copyright 1999 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <math.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <ctype.h>
+#include "gmem.h"
+#include "Error.h"
+#include "FontFile.h"
+
+#include "StdFontInfo.h"
+#include "CompactFontInfo.h"
+
+//------------------------------------------------------------------------
+
+static Guint getWord(Guchar *ptr, int size);
+static double getNum(Guchar **ptr, GBool *fp);
+static char *getString(int sid, Guchar *stringIdxPtr,
+		       Guchar *stringStartPtr, int stringOffSize,
+		       char *buf);
+
+//------------------------------------------------------------------------
+
+static inline char *nextLine(char *line, char *end) {
+  while (line < end && *line != '\n' && *line != '\r')
+    ++line;
+  while (line < end && *line == '\n' || *line == '\r')
+    ++line;
+  return line;
+}
+
+static char hexChars[17] = "0123456789ABCDEF";
+
+//------------------------------------------------------------------------
+// FontFile
+//------------------------------------------------------------------------
+
+FontFile::FontFile() {
+}
+
+FontFile::~FontFile() {
+}
+
+//------------------------------------------------------------------------
+// Type1FontFile
+//------------------------------------------------------------------------
+
+Type1FontFile::Type1FontFile(char *file, int len) {
+  char *line, *line1, *p, *p2;
+  char buf[256];
+  char c;
+  int n, code, i;
+
+  name = NULL;
+  encoding = NULL;
+  freeEnc = gTrue;
+
+  for (i = 1, line = file; i <= 100 && line < file + len && !encoding; ++i) {
+
+    // get font name
+    if (!strncmp(line, "/FontName", 9)) {
+      strncpy(buf, line, 255);
+      buf[255] = '\0';
+      if ((p = strchr(buf+9, '/')) &&
+	  (p = strtok(p+1, " \t\n\r")))
+	name = copyString(p);
+      line = nextLine(line, file + len);
+
+    // get encoding
+    } else if (!strncmp(line, "/Encoding StandardEncoding def", 30)) {
+      encoding = type1StdEncoding.copy();
+    } else if (!strncmp(line, "/Encoding 256 array", 19)) {
+      encoding = new FontEncoding();
+      for (i = 0; i < 300; ++i) {
+	line1 = nextLine(line, file + len);
+	if ((n = line1 - line) > 255)
+	  n = 255;
+	strncpy(buf, line, n);
+	buf[n] = '\0';
+	for (p = buf; *p == ' ' || *p == '\t'; ++p) ;
+	if (!strncmp(p, "dup", 3)) {
+	  for (p += 3; *p == ' ' || *p == '\t'; ++p) ;
+	  for (p2 = p; *p2 >= '0' && *p2 <= '9'; ++p2) ;
+	  if (*p2) {
+	    c = *p2;
+	    *p2 = '\0';
+	    if ((code = atoi(p)) < 256) {
+	      *p2 = c;
+	      for (p = p2; *p == ' ' || *p == '\t'; ++p) ;
+	      if (*p == '/') {
+		++p;
+		for (p2 = p; *p2 && *p2 != ' ' && *p2 != '\t'; ++p2) ;
+		*p2 = '\0';
+		encoding->addChar(code, copyString(p));
+	      }
+	    }
+	  }
+	} else {
+	  if (strtok(buf, " \t") &&
+	      (p = strtok(NULL, " \t\n\r")) && !strcmp(p, "def")) {
+	    break;
+	  }
+	}
+	line = line1;
+      }
+      //~ check for getinterval/putinterval junk
+
+    } else {
+      line = nextLine(line, file + len);
+    }
+  }
+}
+
+Type1FontFile::~Type1FontFile() {
+  if (name)
+    gfree(name);
+  if (encoding && freeEnc)
+    delete encoding;
+}
+
+FontEncoding *Type1FontFile::getEncoding(GBool taken) {
+  if (taken)
+    freeEnc = gFalse;
+  return encoding;
+}
+
+//------------------------------------------------------------------------
+// Type1CFontFile
+//------------------------------------------------------------------------
+
+Type1CFontFile::Type1CFontFile(char *file, int len) {
+  char buf[256];
+  Guchar *topPtr, *idxStartPtr, *idxPtr0, *idxPtr1;
+  Guchar *stringIdxPtr, *stringStartPtr;
+  int topOffSize, idxOffSize, stringOffSize;
+  int nFonts, nStrings, nGlyphs;
+  int nCodes, nRanges, nLeft, nSups;
+  Gushort *glyphNames;
+  int charset, enc, charstrings;
+  int charsetFormat, encFormat;
+  int c, sid;
+  double op[48];
+  double x;
+  GBool isFP;
+  int key;
+  int i, j, n;
+
+  name = NULL;
+  encoding = NULL;
+  freeEnc = gTrue;
+
+  // read header
+  topPtr = (Guchar *)file + (file[2] & 0xff);
+  topOffSize = file[3] & 0xff;
+
+  // read name index (first font only)
+  nFonts = getWord(topPtr, 2);
+  idxOffSize = topPtr[2];
+  topPtr += 3;
+  idxStartPtr = topPtr + (nFonts + 1) * idxOffSize - 1;
+  idxPtr0 = idxStartPtr + getWord(topPtr, idxOffSize);
+  idxPtr1 = idxStartPtr + getWord(topPtr + idxOffSize, idxOffSize);
+  if ((n = idxPtr1 - idxPtr0) > 255)
+    n = 255;
+  strncpy(buf, (char *)idxPtr0, n);
+  buf[n] = '\0';
+  name = copyString(buf);
+  topPtr = idxStartPtr + getWord(topPtr + nFonts * idxOffSize, idxOffSize);
+
+  // read top dict index (first font only)
+  nFonts = getWord(topPtr, 2);
+  idxOffSize = topPtr[2];
+  topPtr += 3;
+  idxStartPtr = topPtr + (nFonts + 1) * idxOffSize - 1;
+  idxPtr0 = idxStartPtr + getWord(topPtr, idxOffSize);
+  idxPtr1 = idxStartPtr + getWord(topPtr + idxOffSize, idxOffSize);
+  charset = 0;
+  enc = 0;
+  charstrings = 0;
+  i = 0;
+  while (idxPtr0 < idxPtr1) {
+    if (*idxPtr0 <= 27 || *idxPtr0 == 31) {
+      key = *idxPtr0++;
+      if (key == 0x0c)
+	key = (key << 8) | *idxPtr0++;
+      if (key == 0x0f) { // charset
+	charset = (int)op[0];
+      } else if (key == 0x10) { // encoding
+	enc = (int)op[0];
+      } else if (key == 0x11) { // charstrings
+	charstrings = (int)op[0];
+      }
+      i = 0;
+    } else {
+      x = getNum(&idxPtr0, &isFP);
+      if (i < 48)
+	op[i++] = x;
+    }
+  }
+  topPtr = idxStartPtr + getWord(topPtr + nFonts * idxOffSize, idxOffSize);
+
+  // read string index
+  nStrings = getWord(topPtr, 2);
+  stringOffSize = topPtr[2];
+  topPtr += 3;
+  stringIdxPtr = topPtr;
+  stringStartPtr = topPtr + (nStrings + 1) * stringOffSize - 1;
+  topPtr = stringStartPtr + getWord(topPtr + nStrings * stringOffSize,
+				    stringOffSize);
+
+  // get number of glyphs from charstrings index
+  topPtr = (Guchar *)file + charstrings;
+  nGlyphs = getWord(topPtr, 2);
+
+  // read charset
+  if (charset == 0) {
+    glyphNames = type1CISOAdobeCharset;
+  } else if (charset == 1) {
+    glyphNames = type1CExpertCharset;
+  } else if (charset == 2) {
+    glyphNames = type1CExpertSubsetCharset;
+  } else {
+    glyphNames = (Gushort *)gmalloc(nGlyphs * sizeof(Gushort));
+    glyphNames[0] = 0;
+    topPtr = (Guchar *)file + charset;
+    charsetFormat = *topPtr++;
+    if (charsetFormat == 0) {
+      for (i = 1; i < nGlyphs; ++i) {
+	glyphNames[i] = getWord(topPtr, 2);
+	topPtr += 2;
+      }
+    } else if (charsetFormat == 1) {
+      i = 1;
+      while (i < nGlyphs) {
+	c = getWord(topPtr, 2);
+	topPtr += 2;
+	nLeft = *topPtr++;
+	for (j = 0; j <= nLeft; ++j)
+	  glyphNames[i++] = c++;
+      }
+    } else if (charsetFormat == 2) {
+      i = 1;
+      while (i < nGlyphs) {
+	c = getWord(topPtr, 2);
+	topPtr += 2;
+	nLeft = getWord(topPtr, 2);
+	topPtr += 2;
+	for (j = 0; j <= nLeft; ++j)
+	  glyphNames[i++] = c++;
+      }
+    }
+  }
+
+  // read encoding (glyph -> code mapping)
+  if (enc == 0) {
+    encoding = type1StdEncoding.copy();
+  } else if (enc == 1) {
+    encoding = type1ExpertEncoding.copy();
+  } else {
+    encoding = new FontEncoding();
+    topPtr = (Guchar *)file + enc;
+    encFormat = *topPtr++;
+    if ((encFormat & 0x7f) == 0) {
+      nCodes = 1 + *topPtr++;
+      if (nCodes > nGlyphs) {
+	nCodes = nGlyphs;
+      }
+      for (i = 1; i < nCodes; ++i) {
+	c = *topPtr++;
+	getString(glyphNames[i], stringIdxPtr, stringStartPtr,
+		  stringOffSize, buf);
+	encoding->addChar(c, copyString(buf));
+      }
+    } else if ((encFormat & 0x7f) == 1) {
+      nRanges = *topPtr++;
+      nCodes = 1;
+      for (i = 0; i < nRanges; ++i) {
+	c = *topPtr++;
+	nLeft = *topPtr++;
+	for (j = 0; j <= nLeft && nCodes < nGlyphs; ++j) {
+	  getString(glyphNames[nCodes], stringIdxPtr, stringStartPtr,
+		    stringOffSize, buf);
+	  encoding->addChar(c, copyString(buf));
+	  ++nCodes;
+	  ++c;
+	}
+      }
+    }
+    if (encFormat & 0x80) {
+      nSups = *topPtr++;
+      for (i = 0; i < nSups; ++i) {
+	c = *topPtr++;
+	sid = getWord(topPtr, 2);
+	topPtr += 2;
+	getString(sid, stringIdxPtr, stringStartPtr,
+		  stringOffSize, buf);
+	encoding->addChar(c, copyString(buf));
+      }
+    }
+  }
+
+  if (charset > 2)
+    gfree(glyphNames);
+}
+
+Type1CFontFile::~Type1CFontFile() {
+  if (name)
+    gfree(name);
+  if (encoding && freeEnc)
+    delete encoding;
+}
+
+FontEncoding *Type1CFontFile::getEncoding(GBool taken) {
+  if (taken)
+    freeEnc = gFalse;
+  return encoding;
+}
+
+static Guint getWord(Guchar *ptr, int size) {
+  Guint x;
+  int i;
+
+  x = 0;
+  for (i = 0; i < size; ++i)
+    x = (x << 8) + *ptr++;
+  return x;
+}
+
+static double getNum(Guchar **ptr, GBool *fp) {
+  static char nybChars[16] = "0123456789.ee -";
+  int b0, b, nyb0, nyb1;
+  double x;
+  char buf[65];
+  int i;
+
+  x = 0;
+  *fp = gFalse;
+  b0 = (*ptr)[0];
+  if (b0 < 28) {
+    x = 0;
+  } else if (b0 == 28) {
+    x = ((*ptr)[1] << 8) + (*ptr)[2];
+    *ptr += 3;
+  } else if (b0 == 29) {
+    x = ((*ptr)[1] << 24) + ((*ptr)[2] << 16) + ((*ptr)[3] << 8) + (*ptr)[4];
+    *ptr += 5;
+  } else if (b0 == 30) {
+    *ptr += 1;
+    i = 0;
+    do {
+      b = *(*ptr)++;
+      nyb0 = b >> 4;
+      nyb1 = b & 0x0f;
+      if (nyb0 == 0xf)
+	break;
+      buf[i++] = nybChars[nyb0];
+      if (i == 64)
+	break;
+      if (nyb0 == 0xc)
+	buf[i++] = '-';
+      if (i == 64)
+	break;
+      if (nyb1 == 0xf)
+	break;
+      buf[i++] = nybChars[nyb1];
+      if (i == 64)
+	break;
+      if (nyb1 == 0xc)
+	buf[i++] = '-';
+    } while (i < 64);
+    buf[i] = '\0';
+    x = atof(buf);
+    *fp = gTrue;
+  } else if (b0 == 31) {
+    x = 0;
+  } else if (b0 < 247) {
+    x = b0 - 139;
+    *ptr += 1;
+  } else if (b0 < 251) {
+    x = ((b0 - 247) << 8) + (*ptr)[1] + 108;
+    *ptr += 2;
+  } else {
+    x = -((b0 - 251) << 8) - (*ptr)[1] - 108;
+    *ptr += 2;
+  }
+  return x;
+}
+
+static char *getString(int sid, Guchar *stringIdxPtr,
+		       Guchar *stringStartPtr, int stringOffSize,
+		       char *buf) {
+  Guchar *idxPtr0, *idxPtr1;
+  int len;
+
+  if (sid < 391) {
+    strcpy(buf, type1CStdStrings[sid]);
+  } else {
+    sid -= 391;
+    idxPtr0 = stringStartPtr + getWord(stringIdxPtr + sid * stringOffSize,
+				       stringOffSize);
+    idxPtr1 = stringStartPtr + getWord(stringIdxPtr + (sid+1) * stringOffSize,
+				       stringOffSize);
+    if ((len = idxPtr1 - idxPtr0) > 255)
+      len = 255;
+    strncpy(buf, (char *)idxPtr0, len);
+    buf[len] = '\0';
+  }
+  return buf;
+}
+
+//------------------------------------------------------------------------
+// Type1CFontConverter
+//------------------------------------------------------------------------
+
+Type1CFontConverter::Type1CFontConverter(char *fileA, int lenA, FILE *outA) {
+  file = fileA;
+  len = lenA;
+  out = outA;
+  r1 = 55665;
+  line = 0;
+}
+
+Type1CFontConverter::~Type1CFontConverter() {
+}
+
+void Type1CFontConverter::convert() {
+  char *fontName;
+  struct {
+    int version;
+    int notice;
+    int copyright;
+    int fullName;
+    int familyName;
+    int weight;
+    int isFixedPitch;
+    double italicAngle;
+    double underlinePosition;
+    double underlineThickness;
+    int paintType;
+    int charstringType;		//~ ???
+    double fontMatrix[6];
+    int uniqueID;
+    double fontBBox[4];
+    double strokeWidth;		//~ ???
+    int charset;
+    int encoding;
+    int charStrings;
+    int privateSize;
+    int privateOffset;
+  } dict;
+  char buf[256], eBuf[256];
+  Guchar *topPtr, *idxStartPtr, *idxPtr0, *idxPtr1;
+  Guchar *stringIdxPtr, *stringStartPtr;
+  int topOffSize, idxOffSize, stringOffSize;
+  int nFonts, nStrings, nGlyphs;
+  int nCodes, nRanges, nLeft, nSups;
+  Gushort *glyphNames;
+  int charsetFormat, encFormat;
+  int subrsOffset, nSubrs;
+  int nCharStrings;
+  int c, sid;
+  double x;
+  GBool isFP;
+  int key;
+  int i, j, n;
+
+  // read header
+  topPtr = (Guchar *)file + (file[2] & 0xff);
+  topOffSize = file[3] & 0xff;
+
+  // read name (first font only)
+  nFonts = getWord(topPtr, 2);
+  idxOffSize = topPtr[2];
+  topPtr += 3;
+  idxStartPtr = topPtr + (nFonts + 1) * idxOffSize - 1;
+  idxPtr0 = idxStartPtr + getWord(topPtr, idxOffSize);
+  idxPtr1 = idxStartPtr + getWord(topPtr + idxOffSize, idxOffSize);
+  if ((n = idxPtr1 - idxPtr0) > 255)
+    n = 255;
+  strncpy(buf, (char *)idxPtr0, n);
+  buf[n] = '\0';
+  fontName = copyString(buf);
+  topPtr = idxStartPtr + getWord(topPtr + nFonts * idxOffSize, idxOffSize);
+
+  // read top dict (first font only)
+  nFonts = getWord(topPtr, 2);
+  idxOffSize = topPtr[2];
+  topPtr += 3;
+  idxStartPtr = topPtr + (nFonts + 1) * idxOffSize - 1;
+  idxPtr0 = idxStartPtr + getWord(topPtr, idxOffSize);
+  idxPtr1 = idxStartPtr + getWord(topPtr + idxOffSize, idxOffSize);
+  dict.version = 0;
+  dict.notice = 0;
+  dict.copyright = 0;
+  dict.fullName = 0;
+  dict.familyName = 0;
+  dict.weight = 0;
+  dict.isFixedPitch = 0;
+  dict.italicAngle = 0;
+  dict.underlinePosition = -100;
+  dict.underlineThickness = 50;
+  dict.paintType = 0;
+  dict.charstringType = 2;
+  dict.fontMatrix[0] = 0.001;
+  dict.fontMatrix[1] = 0;
+  dict.fontMatrix[2] = 0;
+  dict.fontMatrix[3] = 0.001;
+  dict.fontMatrix[4] = 0;
+  dict.fontMatrix[5] = 0;
+  dict.uniqueID = 0;
+  dict.fontBBox[0] = 0;
+  dict.fontBBox[1] = 0;
+  dict.fontBBox[2] = 0;
+  dict.fontBBox[3] = 0;
+  dict.strokeWidth = 0;
+  dict.charset = 0;
+  dict.encoding = 0;
+  dict.charStrings = 0;
+  dict.privateSize = 0;
+  dict.privateOffset = 0;
+  i = 0;
+  while (idxPtr0 < idxPtr1) {
+    if (*idxPtr0 <= 27 || *idxPtr0 == 31) {
+      key = *idxPtr0++;
+      if (key == 0x0c)
+	key = (key << 8) | *idxPtr0++;
+      switch (key) {
+      case 0x0000: dict.version = (int)op[0]; break;
+      case 0x0001: dict.notice = (int)op[0]; break;
+      case 0x0c00: dict.copyright = (int)op[0]; break;
+      case 0x0002: dict.fullName = (int)op[0]; break;
+      case 0x0003: dict.familyName = (int)op[0]; break;
+      case 0x0004: dict.weight = (int)op[0]; break;
+      case 0x0c01: dict.isFixedPitch = (int)op[0]; break;
+      case 0x0c02: dict.italicAngle = op[0]; break;
+      case 0x0c03: dict.underlinePosition = op[0]; break;
+      case 0x0c04: dict.underlineThickness = op[0]; break;
+      case 0x0c05: dict.paintType = (int)op[0]; break;
+      case 0x0c06: dict.charstringType = (int)op[0]; break;
+      case 0x0c07: dict.fontMatrix[0] = op[0];
+	           dict.fontMatrix[1] = op[1];
+	           dict.fontMatrix[2] = op[2];
+	           dict.fontMatrix[3] = op[3];
+	           dict.fontMatrix[4] = op[4];
+	           dict.fontMatrix[5] = op[5]; break;
+      case 0x000d: dict.uniqueID = (int)op[0]; break;
+      case 0x0005: dict.fontBBox[0] = op[0];
+	           dict.fontBBox[1] = op[1];
+	           dict.fontBBox[2] = op[2];
+	           dict.fontBBox[3] = op[3]; break;
+      case 0x0c08: dict.strokeWidth = op[0]; break;
+      case 0x000f: dict.charset = (int)op[0]; break;
+      case 0x0010: dict.encoding = (int)op[0]; break;
+      case 0x0011: dict.charStrings = (int)op[0]; break;
+      case 0x0012: dict.privateSize = (int)op[0];
+	           dict.privateOffset = (int)op[1]; break;
+      }
+      i = 0;
+    } else {
+      x = getNum(&idxPtr0, &isFP);
+      if (i < 48) {
+	op[i] = x;
+	fp[i++] = isFP;
+      }
+    }
+  }
+  topPtr = idxStartPtr + getWord(topPtr + nFonts * idxOffSize, idxOffSize);
+
+  // read string index
+  nStrings = getWord(topPtr, 2);
+  stringOffSize = topPtr[2];
+  topPtr += 3;
+  stringIdxPtr = topPtr;
+  stringStartPtr = topPtr + (nStrings + 1) * stringOffSize - 1;
+  topPtr = stringStartPtr + getWord(topPtr + nStrings * stringOffSize,
+				    stringOffSize);
+
+#if 1 //~
+  // get global subrs
+  int nGSubrs;
+  int gSubrOffSize;
+
+  nGSubrs = getWord(topPtr, 2);
+  gSubrOffSize = topPtr[2];
+  topPtr += 3;
+#endif
+
+  // write header and font dictionary, up to encoding
+  fprintf(out, "%%!FontType1-1.0: %s", fontName);
+  if (dict.version != 0) {
+    fprintf(out, "%s",
+	    getString(dict.version, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  fprintf(out, "\n");
+  fprintf(out, "11 dict begin\n");
+  fprintf(out, "/FontInfo 10 dict dup begin\n");
+  if (dict.version != 0) {
+    fprintf(out, "/version (%s) readonly def\n",
+	    getString(dict.version, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  if (dict.notice != 0) {
+    fprintf(out, "/Notice (%s) readonly def\n",
+	    getString(dict.notice, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  if (dict.copyright != 0) {
+    fprintf(out, "/Copyright (%s) readonly def\n",
+	    getString(dict.copyright, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  if (dict.fullName != 0) {
+    fprintf(out, "/FullName (%s) readonly def\n",
+	    getString(dict.fullName, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  if (dict.familyName != 0) {
+    fprintf(out, "/FamilyName (%s) readonly def\n",
+	    getString(dict.familyName, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  if (dict.weight != 0) {
+    fprintf(out, "/Weight (%s) readonly def\n",
+	    getString(dict.weight, stringIdxPtr, stringStartPtr,
+		      stringOffSize, buf));
+  }
+  fprintf(out, "/isFixedPitch %s def\n", dict.isFixedPitch ? "true" : "false");
+  fprintf(out, "/ItalicAngle %g def\n", dict.italicAngle);
+  fprintf(out, "/UnderlinePosition %g def\n", dict.underlinePosition);
+  fprintf(out, "/UnderlineThickness %g def\n", dict.underlineThickness);
+  fprintf(out, "end readonly def\n");
+  fprintf(out, "/FontName /%s def\n", fontName);
+  fprintf(out, "/PaintType %d def\n", dict.paintType);
+  fprintf(out, "/FontType 1 def\n");
+  fprintf(out, "/FontMatrix [%g %g %g %g %g %g] readonly def\n",
+	  dict.fontMatrix[0], dict.fontMatrix[1], dict.fontMatrix[2],
+	  dict.fontMatrix[3], dict.fontMatrix[4], dict.fontMatrix[5]);
+  fprintf(out, "/FontBBox [%g %g %g %g] readonly def\n",
+	  dict.fontBBox[0], dict.fontBBox[1],
+	  dict.fontBBox[2], dict.fontBBox[3]);
+  if (dict.uniqueID != 0) {
+    fprintf(out, "/UniqueID %d def\n", dict.uniqueID);
+  }
+
+  // get number of glyphs from charstrings index
+  topPtr = (Guchar *)file + dict.charStrings;
+  nGlyphs = getWord(topPtr, 2);
+
+  // read charset
+  if (dict.charset == 0) {
+    glyphNames = type1CISOAdobeCharset;
+  } else if (dict.charset == 1) {
+    glyphNames = type1CExpertCharset;
+  } else if (dict.charset == 2) {
+    glyphNames = type1CExpertSubsetCharset;
+  } else {
+    glyphNames = (Gushort *)gmalloc(nGlyphs * sizeof(Gushort));
+    glyphNames[0] = 0;
+    topPtr = (Guchar *)file + dict.charset;
+    charsetFormat = *topPtr++;
+    if (charsetFormat == 0) {
+      for (i = 1; i < nGlyphs; ++i) {
+	glyphNames[i] = getWord(topPtr, 2);
+	topPtr += 2;
+      }
+    } else if (charsetFormat == 1) {
+      i = 1;
+      while (i < nGlyphs) {
+	c = getWord(topPtr, 2);
+	topPtr += 2;
+	nLeft = *topPtr++;
+	for (j = 0; j <= nLeft; ++j)
+	  glyphNames[i++] = c++;
+      }
+    } else if (charsetFormat == 2) {
+      i = 1;
+      while (i < nGlyphs) {
+	c = getWord(topPtr, 2);
+	topPtr += 2;
+	nLeft = getWord(topPtr, 2);
+	topPtr += 2;
+	for (j = 0; j <= nLeft; ++j)
+	  glyphNames[i++] = c++;
+      }
+    }
+  }
+
+  // read encoding (glyph -> code mapping), write Type 1 encoding
+  fprintf(out, "/Encoding ");
+  if (dict.encoding == 0) {
+    fprintf(out, "StandardEncoding def\n");
+  } else {
+    fprintf(out, "256 array\n");
+    fprintf(out, "0 1 255 {1 index exch /.notdef put} for\n");
+    if (dict.encoding == 1) {
+      for (i = 0; i < 256; ++i) {
+	if (type1ExpertEncodingNames[i])
+	  fprintf(out, "dup %d /%s put\n", i, type1ExpertEncodingNames[i]);
+      }
+    } else {
+      topPtr = (Guchar *)file + dict.encoding;
+      encFormat = *topPtr++;
+      if ((encFormat & 0x7f) == 0) {
+	nCodes = 1 + *topPtr++;
+	if (nCodes > nGlyphs) {
+	  nCodes = nGlyphs;
+	}
+	for (i = 1; i < nCodes; ++i) {
+	  c = *topPtr++;
+	  fprintf(out, "dup %d /%s put\n", c,
+		  getString(glyphNames[i], stringIdxPtr, stringStartPtr,
+			    stringOffSize, buf));
+	}
+      } else if ((encFormat & 0x7f) == 1) {
+	nRanges = *topPtr++;
+	nCodes = 1;
+	for (i = 0; i < nRanges; ++i) {
+	  c = *topPtr++;
+	  nLeft = *topPtr++;
+	  for (j = 0; j <= nLeft && nCodes < nGlyphs; ++j) {
+	    fprintf(out, "dup %d /%s put\n", c,
+		    getString(glyphNames[nCodes], stringIdxPtr, stringStartPtr,
+			      stringOffSize, buf));
+	    ++nCodes;
+	    ++c;
+	  }
+	}
+      }
+      if (encFormat & 0x80) {
+	nSups = *topPtr++;
+	for (i = 0; i < nSups; ++i) {
+	  c = *topPtr++;
+	  sid = getWord(topPtr, 2);
+	  topPtr += 2;
+	  fprintf(out, "dup %d /%s put\n", c,
+		  getString(sid, stringIdxPtr, stringStartPtr,
+			    stringOffSize, buf));
+	}
+      }
+    }
+    fprintf(out, "readonly def\n");
+  }
+  fprintf(out, "currentdict end\n");
+  fprintf(out, "currentfile eexec\n");
+
+  // get private dictionary
+  eexecWrite("\x83\xca\x73\xd5");
+  eexecWrite("dup /Private 32 dict dup begin\n");
+  eexecWrite("/RD {string currentfile exch readstring pop} executeonly def\n");
+  eexecWrite("/ND {noaccess def} executeonly def\n");
+  eexecWrite("/NP {noaccess put} executeonly def\n");
+  eexecWrite("/MinFeature {16 16} ND\n");
+  eexecWrite("/password 5839 def\n");
+  subrsOffset = 0;
+  defaultWidthX = 0;
+  nominalWidthX = 0;
+  topPtr = (Guchar *)file + dict.privateOffset;
+  idxPtr0 = topPtr;
+  idxPtr1 = idxPtr0 + dict.privateSize;
+  i = 0;
+  while (idxPtr0 < idxPtr1) {
+    if (*idxPtr0 <= 27 || *idxPtr0 == 31) {
+      key = *idxPtr0++;
+      if (key == 0x0c)
+	key = (key << 8) | *idxPtr0++;
+      switch (key) {
+      case 0x0006:
+	getDeltaInt(eBuf, "BlueValues", op, i);
+	eexecWrite(eBuf);
+	break;
+      case 0x0007:
+	getDeltaInt(eBuf, "OtherBlues", op, i);
+	eexecWrite(eBuf);
+	break;
+      case 0x0008:
+	getDeltaInt(eBuf, "FamilyBlues", op, i);
+	eexecWrite(eBuf);
+	break;
+      case 0x0009:
+	getDeltaInt(eBuf, "FamilyOtherBlues", op, i);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c09:
+	sprintf(eBuf, "/BlueScale %g def\n", op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c0a:
+	sprintf(eBuf, "/BlueShift %d def\n", (int)op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c0b:
+	sprintf(eBuf, "/BlueFuzz %d def\n", (int)op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x000a:
+	sprintf(eBuf, "/StdHW [%g] def\n", op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x000b:
+	sprintf(eBuf, "/StdVW [%g] def\n", op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c0c:
+	getDeltaReal(eBuf, "StemSnapH", op, i);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c0d:
+	getDeltaReal(eBuf, "StemSnapV", op, i);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c0e:
+	sprintf(eBuf, "/ForceBold %s def\n", op[0] ? "true" : "false");
+	eexecWrite(eBuf);
+	break;
+      case 0x0c0f:
+	sprintf(eBuf, "/ForceBoldThreshold %g def\n", op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c11:
+	sprintf(eBuf, "/LanguageGroup %d def\n", (int)op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c12:
+	sprintf(eBuf, "/ExpansionFactor %g def\n", op[0]);
+	eexecWrite(eBuf);
+	break;
+      case 0x0c13:
+	error(-1, "Got Type 1C InitialRandomSeed");
+	break;
+      case 0x0013:
+	subrsOffset = (int)op[0];
+	break;
+      case 0x0014:
+	defaultWidthX = op[0];
+	defaultWidthXFP = fp[0];
+	break;
+      case 0x0015:
+	nominalWidthX = op[0];
+	nominalWidthXFP = fp[0];
+	break;
+      default:
+	error(-1, "Unknown Type 1C private dict entry %04x", key);
+	break;
+      }
+      i = 0;
+    } else {
+      x = getNum(&idxPtr0, &isFP);
+      if (i < 48) {
+	op[i] = x;
+	fp[i++] = isFP;
+      }
+    }
+  }
+
+  // get subrs
+  if (subrsOffset != 0) {
+    topPtr += subrsOffset;
+    nSubrs = getWord(topPtr, 2);
+    idxOffSize = topPtr[2];
+    topPtr += 3;
+    sprintf(eBuf, "/Subrs %d array\n", nSubrs);
+    eexecWrite(eBuf);
+    idxStartPtr = topPtr + (nSubrs + 1) * idxOffSize - 1;
+    idxPtr1 = idxStartPtr + getWord(topPtr, idxOffSize);
+    for (i = 0; i < nSubrs; ++i) {
+      idxPtr0 = idxPtr1;
+      idxPtr1 = idxStartPtr + getWord(topPtr + (i+1)*idxOffSize, idxOffSize);
+      n = idxPtr1 - idxPtr0;
+#if 1 //~
+      error(-1, "Unimplemented Type 2 subrs");
+#else
+      sprintf(eBuf, "dup %d %d RD ", i, n);
+      eexecWrite(eBuf);
+      cvtGlyph(idxPtr0, n);
+      eexecWrite(" NP\n");
+#endif
+    }
+    eexecWrite("ND\n");
+  }
+
+  // get CharStrings
+  topPtr = (Guchar *)file + dict.charStrings;
+  nCharStrings = getWord(topPtr, 2);
+  idxOffSize = topPtr[2];
+  topPtr += 3;
+  sprintf(eBuf, "2 index /CharStrings %d dict dup begin\n", nCharStrings);
+  eexecWrite(eBuf);
+  idxStartPtr = topPtr + (nCharStrings + 1) * idxOffSize - 1;
+  idxPtr1 = idxStartPtr + getWord(topPtr, idxOffSize);
+  for (i = 0; i < nCharStrings; ++i) {
+    idxPtr0 = idxPtr1;
+    idxPtr1 = idxStartPtr + getWord(topPtr + (i+1)*idxOffSize, idxOffSize);
+    n = idxPtr1 - idxPtr0;
+    cvtGlyph(getString(glyphNames[i], stringIdxPtr, stringStartPtr,
+		       stringOffSize, buf),
+	     idxPtr0, n);
+  }
+  eexecWrite("end\n");
+  eexecWrite("end\n");
+  eexecWrite("readonly put\n");
+  eexecWrite("noaccess put\n");
+  eexecWrite("dup /FontName get exch definefont pop\n");
+  eexecWrite("mark currentfile closefile\n");
+
+  // trailer
+  if (line > 0)
+    fputc('\n', out);
+  for (i = 0; i < 8; ++i) {
+    fprintf(out, "0000000000000000000000000000000000000000000000000000000000000000\n");
+  }
+  fprintf(out, "cleartomark\n");
+
+  // clean up
+  if (dict.charset > 2)
+    gfree(glyphNames);
+  gfree(fontName);
+}
+
+void Type1CFontConverter::eexecWrite(char *s) {
+  Guchar *p;
+  Guchar x;
+
+  for (p = (Guchar *)s; *p; ++p) {
+    x = *p ^ (r1 >> 8);
+    r1 = (x + r1) * 52845 + 22719;
+    fputc(hexChars[x >> 4], out);
+    fputc(hexChars[x & 0x0f], out);
+    line += 2;
+    if (line == 64) {
+      fputc('\n', out);
+      line = 0;
+    }
+  }
+}
+
+void Type1CFontConverter::cvtGlyph(char *name, Guchar *s, int n) {
+  int nHints;
+  int x;
+  GBool first = gTrue;
+  char eBuf[256];
+  double d, dx, dy;
+  GBool dFP;
+  int i, k;
+
+  charBuf = new GString();
+  charBuf->append((char)73);
+  charBuf->append((char)58);
+  charBuf->append((char)147);
+  charBuf->append((char)134);
+
+  i = 0;
+  nOps = 0;
+  nHints = 0;
+  while (i < n) {
+    if (s[i] == 12) {
+      switch (s[i+1]) {
+      case 0:			// dotsection (should be Type 1 only?)
+	//~ ignored
+	break;
+      case 34:			// hflex
+	if (nOps != 7) {
+	  error(-1, "Wrong number of args (%d) to Type 2 hflex", nOps);
+	}
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpNum(0, gFalse);
+	eexecDumpNum(op[1], fp[1]);
+	eexecDumpNum(op[2], fp[2]);
+	eexecDumpNum(op[3], fp[3]);
+	eexecDumpNum(0, gFalse);
+	eexecDumpOp1(8);
+	eexecDumpNum(op[4], fp[4]);
+	eexecDumpNum(0, gFalse);
+	eexecDumpNum(op[5], fp[5]);
+	eexecDumpNum(-op[2], fp[2]);
+	eexecDumpNum(op[6], fp[6]);
+	eexecDumpNum(0, gFalse);
+	eexecDumpOp1(8);
+	break;
+      case 35:			// flex
+	if (nOps != 13) {
+	  error(-1, "Wrong number of args (%d) to Type 2 flex", nOps);
+	}
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpNum(op[1], fp[1]);
+	eexecDumpNum(op[2], fp[2]);
+	eexecDumpNum(op[3], fp[3]);
+	eexecDumpNum(op[4], fp[4]);
+	eexecDumpNum(op[5], fp[5]);
+	eexecDumpOp1(8);
+	eexecDumpNum(op[6], fp[6]);
+	eexecDumpNum(op[7], fp[7]);
+	eexecDumpNum(op[8], fp[8]);
+	eexecDumpNum(op[9], fp[9]);
+	eexecDumpNum(op[10], fp[10]);
+	eexecDumpNum(op[11], fp[11]);
+	eexecDumpOp1(8);
+	break;
+      case 36:			// hflex1
+	if (nOps != 9) {
+	  error(-1, "Wrong number of args (%d) to Type 2 hflex1", nOps);
+	}
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpNum(op[1], fp[1]);
+	eexecDumpNum(op[2], fp[2]);
+	eexecDumpNum(op[3], fp[3]);
+	eexecDumpNum(op[4], fp[4]);
+	eexecDumpNum(0, gFalse);
+	eexecDumpOp1(8);
+	eexecDumpNum(op[5], fp[5]);
+	eexecDumpNum(0, gFalse);
+	eexecDumpNum(op[6], fp[6]);
+	eexecDumpNum(op[7], fp[7]);
+	eexecDumpNum(op[8], fp[8]);
+	eexecDumpNum(-(op[1] + op[3] + op[7]), fp[1] | fp[3] | fp[7]);
+	eexecDumpOp1(8);
+	break;
+      case 37:			// flex1
+	if (nOps != 11) {
+	  error(-1, "Wrong number of args (%d) to Type 2 flex1", nOps);
+	}
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpNum(op[1], fp[1]);
+	eexecDumpNum(op[2], fp[2]);
+	eexecDumpNum(op[3], fp[3]);
+	eexecDumpNum(op[4], fp[4]);
+	eexecDumpNum(op[5], fp[5]);
+	eexecDumpOp1(8);
+	eexecDumpNum(op[6], fp[6]);
+	eexecDumpNum(op[7], fp[7]);
+	eexecDumpNum(op[8], fp[8]);
+	eexecDumpNum(op[9], fp[9]);
+	dx = op[0] + op[2] + op[4] + op[6] + op[8];
+	dy = op[1] + op[3] + op[5] + op[7] + op[9];
+	if (fabs(dx) > fabs(dy)) {
+	  eexecDumpNum(op[10], fp[10]);
+	  eexecDumpNum(-dy, fp[1] | fp[3] | fp[5] | fp[7] | fp[9]);
+	} else {
+	  eexecDumpNum(-dx, fp[0] | fp[2] | fp[4] | fp[6] | fp[8]);
+	  eexecDumpNum(op[10], fp[10]);
+	}
+	eexecDumpOp1(8);
+	break;
+      case 3:			// and
+      case 4:			// or
+      case 5:			// not
+      case 8:			// store
+      case 9:			// abs
+      case 10:			// add
+      case 11:			// sub
+      case 12:			// div
+      case 13:			// load
+      case 14:			// neg
+      case 15:			// eq
+      case 18:			// drop
+      case 20:			// put
+      case 21:			// get
+      case 22:			// ifelse
+      case 23:			// random
+      case 24:			// mul
+      case 26:			// sqrt
+      case 27:			// dup
+      case 28:			// exch
+      case 29:			// index
+      case 30:			// roll
+	error(-1, "Unimplemented Type 2 charstring op: 12.%d", s[i+1]);
+	break;
+      default:
+	error(-1, "Illegal Type 2 charstring op: 12.%d", s[i+1]);
+	break;
+      }
+      i += 2;
+      nOps = 0;
+    } else if (s[i] == 19) {	// hintmask
+      //~ ignored
+      if (first) {
+	cvtGlyphWidth(nOps == 1);
+	first = gFalse;
+      }
+      if (nOps > 0) {
+	if (nOps & 1) {
+	  error(-1, "Wrong number of args (%d) to Type 2 hintmask/vstemhm",
+		nOps);
+	}
+	nHints += nOps / 2;
+      }
+      i += 1 + ((nHints + 7) >> 3);
+      nOps = 0;
+    } else if (s[i] == 20) {	// cntrmask
+      //~ ignored
+      if (first) {
+	cvtGlyphWidth(nOps == 1);
+	first = gFalse;
+      }
+      if (nOps > 0) {
+	if (nOps & 1) {
+	  error(-1, "Wrong number of args (%d) to Type 2 cntrmask/vstemhm",
+		nOps);
+	}
+	nHints += nOps / 2;
+      }
+      i += 1 + ((nHints + 7) >> 3);
+      nOps = 0;
+    } else if (s[i] == 28) {
+      x = (s[i+1] << 8) + s[i+2];
+      if (x & 0x8000)
+	x |= -1 << 15;
+      if (nOps < 48) {
+	fp[nOps] = gFalse;
+	op[nOps++] = x;
+      }
+      i += 3;
+    } else if (s[i] <= 31) {
+      switch (s[i]) {
+      case 4:			// vmoveto
+	if (first) {
+	  cvtGlyphWidth(nOps == 2);
+	  first = gFalse;
+	}
+	if (nOps != 1)
+	  error(-1, "Wrong number of args (%d) to Type 2 vmoveto", nOps);
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpOp1(4);
+	break;
+      case 5:			// rlineto
+	if (nOps < 2 || nOps % 2 != 0)
+	  error(-1, "Wrong number of args (%d) to Type 2 rlineto", nOps);
+	for (k = 0; k < nOps; k += 2) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpNum(op[k+1], fp[k+1]);
+	  eexecDumpOp1(5);
+	}
+	break;
+      case 6:			// hlineto
+	if (nOps < 1)
+	  error(-1, "Wrong number of args (%d) to Type 2 hlineto", nOps);
+	for (k = 0; k < nOps; ++k) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpOp1((k & 1) ? 7 : 6);
+	}
+	break;
+      case 7:			// vlineto
+	if (nOps < 1)
+	  error(-1, "Wrong number of args (%d) to Type 2 vlineto", nOps);
+	for (k = 0; k < nOps; ++k) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpOp1((k & 1) ? 6 : 7);
+	}
+	break;
+      case 8:			// rrcurveto
+	if (nOps < 6 || nOps % 6 != 0)
+	  error(-1, "Wrong number of args (%d) to Type 2 rrcurveto", nOps);
+	for (k = 0; k < nOps; k += 6) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpNum(op[k+1], fp[k+1]);
+	  eexecDumpNum(op[k+2], fp[k+2]);
+	  eexecDumpNum(op[k+3], fp[k+3]);
+	  eexecDumpNum(op[k+4], fp[k+4]);
+	  eexecDumpNum(op[k+5], fp[k+5]);
+	  eexecDumpOp1(8);
+	}
+	break;
+      case 14:			// endchar / seac
+	if (first) {
+	  cvtGlyphWidth(nOps == 1 || nOps == 5);
+	  first = gFalse;
+	}
+	if (nOps == 4) {
+	  eexecDumpNum(0, 0);
+	  eexecDumpNum(op[0], fp[0]);
+	  eexecDumpNum(op[1], fp[1]);
+	  eexecDumpNum(op[2], fp[2]);
+	  eexecDumpNum(op[3], fp[3]);
+	  eexecDumpOp2(6);
+	} else if (nOps == 0) {
+	  eexecDumpOp1(14);
+	} else {
+	  error(-1, "Wrong number of args (%d) to Type 2 endchar", nOps);
+	}
+	break;
+      case 21:			// rmoveto
+	if (first) {
+	  cvtGlyphWidth(nOps == 3);
+	  first = gFalse;
+	}
+	if (nOps != 2)
+	  error(-1, "Wrong number of args (%d) to Type 2 rmoveto", nOps);
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpNum(op[1], fp[1]);
+	eexecDumpOp1(21);
+	break;
+      case 22:			// hmoveto
+	if (first) {
+	  cvtGlyphWidth(nOps == 2);
+	  first = gFalse;
+	}
+	if (nOps != 1)
+	  error(-1, "Wrong number of args (%d) to Type 2 hmoveto", nOps);
+	eexecDumpNum(op[0], fp[0]);
+	eexecDumpOp1(22);
+	break;
+      case 24:			// rcurveline
+	if (nOps < 8 || (nOps - 2) % 6 != 0)
+	  error(-1, "Wrong number of args (%d) to Type 2 rcurveline", nOps);
+	for (k = 0; k < nOps - 2; k += 6) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpNum(op[k+1], fp[k+1]);
+	  eexecDumpNum(op[k+2], fp[k+2]);
+	  eexecDumpNum(op[k+3], fp[k+3]);
+	  eexecDumpNum(op[k+4], fp[k+4]);
+	  eexecDumpNum(op[k+5], fp[k+5]);
+	  eexecDumpOp1(8);
+	}
+	eexecDumpNum(op[k], fp[k]);
+	eexecDumpNum(op[k+1], fp[k]);
+	eexecDumpOp1(5);
+	break;
+      case 25:			// rlinecurve
+	if (nOps < 8 || (nOps - 6) % 2 != 0)
+	  error(-1, "Wrong number of args (%d) to Type 2 rlinecurve", nOps);
+	for (k = 0; k < nOps - 6; k += 2) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpNum(op[k+1], fp[k]);
+	  eexecDumpOp1(5);
+	}
+	eexecDumpNum(op[k], fp[k]);
+	eexecDumpNum(op[k+1], fp[k+1]);
+	eexecDumpNum(op[k+2], fp[k+2]);
+	eexecDumpNum(op[k+3], fp[k+3]);
+	eexecDumpNum(op[k+4], fp[k+4]);
+	eexecDumpNum(op[k+5], fp[k+5]);
+	eexecDumpOp1(8);
+	break;
+      case 26:			// vvcurveto
+	if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0))
+	  error(-1, "Wrong number of args (%d) to Type 2 vvcurveto", nOps);
+	if (nOps % 2 == 1) {
+	  eexecDumpNum(op[0], fp[0]);
+	  eexecDumpNum(op[1], fp[1]);
+	  eexecDumpNum(op[2], fp[2]);
+	  eexecDumpNum(op[3], fp[3]);
+	  eexecDumpNum(0, gFalse);
+	  eexecDumpNum(op[4], fp[4]);
+	  eexecDumpOp1(8);
+	  k = 5;
+	} else {
+	  k = 0;
+	}
+	for (; k < nOps; k += 4) {
+	  eexecDumpNum(0, gFalse);
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpNum(op[k+1], fp[k+1]);
+	  eexecDumpNum(op[k+2], fp[k+2]);
+	  eexecDumpNum(0, gFalse);
+	  eexecDumpNum(op[k+3], fp[k+3]);
+	  eexecDumpOp1(8);
+	}
+	break;
+      case 27:			// hhcurveto
+	if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0))
+	  error(-1, "Wrong number of args (%d) to Type 2 hhcurveto", nOps);
+	if (nOps % 2 == 1) {
+	  eexecDumpNum(op[1], fp[1]);
+	  eexecDumpNum(op[0], fp[0]);
+	  eexecDumpNum(op[2], fp[2]);
+	  eexecDumpNum(op[3], fp[3]);
+	  eexecDumpNum(op[4], fp[4]);
+	  eexecDumpNum(0, gFalse);
+	  eexecDumpOp1(8);
+	  k = 5;
+	} else {
+	  k = 0;
+	}
+	for (; k < nOps; k += 4) {
+	  eexecDumpNum(op[k], fp[k]);
+	  eexecDumpNum(0, gFalse);
+	  eexecDumpNum(op[k+1], fp[k+1]);
+	  eexecDumpNum(op[k+2], fp[k+2]);
+	  eexecDumpNum(op[k+3], fp[k+3]);
+	  eexecDumpNum(0, gFalse);
+	  eexecDumpOp1(8);
+	}
+	break;
+      case 30:			// vhcurveto
+	if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0))
+	  error(-1, "Wrong number of args (%d) to Type 2 vhcurveto", nOps);
+	for (k = 0; k < nOps && k != nOps-5; k += 4) {
+	  if (k % 8 == 0) {
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	    eexecDumpOp1(30);
+	  } else {
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	    eexecDumpOp1(31);
+	  }
+	}
+	if (k == nOps-5) {
+	  if (k % 8 == 0) {
+	    eexecDumpNum(0, gFalse);
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	    eexecDumpNum(op[k+4], fp[k+4]);
+	  } else {
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(0, gFalse);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+4], fp[k+4]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	  }
+	  eexecDumpOp1(8);
+	}
+	break;
+      case 31:			// hvcurveto
+	if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0))
+	  error(-1, "Wrong number of args (%d) to Type 2 hvcurveto", nOps);
+	for (k = 0; k < nOps && k != nOps-5; k += 4) {
+	  if (k % 8 == 0) {
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	    eexecDumpOp1(31);
+	  } else {
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	    eexecDumpOp1(30);
+	  }
+	}
+	if (k == nOps-5) {
+	  if (k % 8 == 0) {
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(0, gFalse);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+4], fp[k+4]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	  } else {
+	    eexecDumpNum(0, gFalse);
+	    eexecDumpNum(op[k], fp[k]);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    eexecDumpNum(op[k+2], fp[k+2]);
+	    eexecDumpNum(op[k+3], fp[k+3]);
+	    eexecDumpNum(op[k+4], fp[k+4]);
+	  }
+	  eexecDumpOp1(8);
+	}
+	break;
+      case 1:			// hstem
+	if (first) {
+	  cvtGlyphWidth(nOps & 1);
+	  first = gFalse;
+	}
+	if (nOps & 1) {
+	  error(-1, "Wrong number of args (%d) to Type 2 hstem", nOps);
+	}
+	d = 0;
+	dFP = gFalse;
+	for (k = 0; k < nOps; k += 2) {
+	  if (op[k+1] < 0) {
+	    d += op[k] + op[k+1];
+	    dFP |= fp[k] | fp[k+1];
+	    eexecDumpNum(d, dFP);
+	    eexecDumpNum(-op[k+1], fp[k+1]);
+	  } else {
+	    d += op[k];
+	    dFP |= fp[k];
+	    eexecDumpNum(d, dFP);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    d += op[k+1];
+	    dFP |= fp[k+1];
+	  }
+	  eexecDumpOp1(1);
+	}
+	nHints += nOps / 2;
+	break;
+      case 3:			// vstem
+	if (first) {
+	  cvtGlyphWidth(nOps & 1);
+	  first = gFalse;
+	}
+	if (nOps & 1) {
+	  error(-1, "Wrong number of args (%d) to Type 2 vstem", nOps);
+	}
+	d = 0;
+	dFP = gFalse;
+	for (k = 0; k < nOps; k += 2) {
+	  if (op[k+1] < 0) {
+	    d += op[k] + op[k+1];
+	    dFP |= fp[k] | fp[k+1];
+	    eexecDumpNum(d, dFP);
+	    eexecDumpNum(-op[k+1], fp[k+1]);
+	  } else {
+	    d += op[k];
+	    dFP |= fp[k];
+	    eexecDumpNum(d, dFP);
+	    eexecDumpNum(op[k+1], fp[k+1]);
+	    d += op[k+1];
+	    dFP |= fp[k+1];
+	  }
+	  eexecDumpOp1(3);
+	}
+	nHints += nOps / 2;
+	break;
+      case 18:			// hstemhm
+	//~ ignored
+	if (first) {
+	  cvtGlyphWidth(nOps & 1);
+	  first = gFalse;
+	}
+	if (nOps & 1) {
+	  error(-1, "Wrong number of args (%d) to Type 2 hstemhm", nOps);
+	}
+	nHints += nOps / 2;
+	break;
+      case 23:			// vstemhm
+	//~ ignored
+	if (first) {
+	  cvtGlyphWidth(nOps & 1);
+	  first = gFalse;
+	}
+	if (nOps & 1) {
+	  error(-1, "Wrong number of args (%d) to Type 2 vstemhm", nOps);
+	}
+	nHints += nOps / 2;
+	break;
+      case 10:			// callsubr
+      case 11:			// return
+      case 16:			// blend
+      case 29:			// callgsubr
+	error(-1, "Unimplemented Type 2 charstring op: %d", s[i]);
+	break;
+      default:
+	error(-1, "Illegal Type 2 charstring op: %d", s[i]);
+	break;
+      }
+      ++i;
+      nOps = 0;
+    } else if (s[i] <= 246) {
+      if (nOps < 48) {
+	fp[nOps] = gFalse;
+	op[nOps++] = (int)s[i] - 139;
+      }
+      ++i;
+    } else if (s[i] <= 250) {
+      if (nOps < 48) {
+	fp[nOps] = gFalse;
+	op[nOps++] = (((int)s[i] - 247) << 8) + (int)s[i+1] + 108;
+      }
+      i += 2;
+    } else if (s[i] <= 254) {
+      if (nOps < 48) {
+	fp[nOps] = gFalse;
+	op[nOps++] = -(((int)s[i] - 251) << 8) - (int)s[i+1] - 108;
+      }
+      i += 2;
+    } else {
+      x = (s[i+1] << 24) | (s[i+2] << 16) | (s[i+3] << 8) | s[i+4];
+      if (x & 0x80000000)
+	x |= -1 << 31;
+      if (nOps < 48) {
+	fp[nOps] = gTrue;
+	op[nOps++] = (double)x / 65536.0;
+      }
+      i += 5;
+    }
+  }
+
+  sprintf(eBuf, "/%s %d RD ", name, charBuf->getLength());
+  eexecWrite(eBuf);
+  eexecWriteCharstring((Guchar *)charBuf->getCString(), charBuf->getLength());
+  eexecWrite(" ND\n");
+  delete charBuf;
+}
+
+void Type1CFontConverter::cvtGlyphWidth(GBool useOp) {
+  double w;
+  GBool wFP;
+  int i;
+
+  if (useOp) {
+    w = nominalWidthX + op[0];
+    wFP = nominalWidthXFP | fp[0];
+    for (i = 1; i < nOps; ++i) {
+      op[i-1] = op[i];
+      fp[i-1] = fp[i];
+    }
+    --nOps;
+  } else {
+    w = defaultWidthX;
+    wFP = defaultWidthXFP;
+  }
+  eexecDumpNum(0, gFalse);
+  eexecDumpNum(w, wFP);
+  eexecDumpOp1(13);
+}
+
+void Type1CFontConverter::eexecDumpNum(double x, GBool fpA) {
+  Guchar buf[12];
+  int y, n;
+
+  n = 0;
+  if (fpA) {
+    if (x >= -32768 && x < 32768) {
+      y = (int)(x * 256.0);
+      buf[0] = 255;
+      buf[1] = (Guchar)(y >> 24);
+      buf[2] = (Guchar)(y >> 16);
+      buf[3] = (Guchar)(y >> 8);
+      buf[4] = (Guchar)y;
+      buf[5] = 255;
+      buf[6] = 0;
+      buf[7] = 0;
+      buf[8] = 1;
+      buf[9] = 0;
+      buf[10] = 12;
+      buf[11] = 12;
+      n = 12;
+    } else {
+      error(-1, "Type 2 fixed point constant out of range");
+    }
+  } else {
+    y = (int)x;
+    if (y >= -107 && y <= 107) {
+      buf[0] = (Guchar)(y + 139);
+      n = 1;
+    } else if (y > 107 && y <= 1131) {
+      y -= 108;
+      buf[0] = (Guchar)((y >> 8) + 247);
+      buf[1] = (Guchar)(y & 0xff);
+      n = 2;
+    } else if (y < -107 && y >= -1131) {
+      y = -y - 108;
+      buf[0] = (Guchar)((y >> 8) + 251);
+      buf[1] = (Guchar)(y & 0xff);
+      n = 2;
+    } else {
+      buf[0] = 255;
+      buf[1] = (Guchar)(y >> 24);
+      buf[2] = (Guchar)(y >> 16);
+      buf[3] = (Guchar)(y >> 8);
+      buf[4] = (Guchar)y;
+      n = 5;
+    }
+  }
+  charBuf->append((char *)buf, n);
+}
+
+void Type1CFontConverter::eexecDumpOp1(int opA) {
+  charBuf->append((char)opA);
+}
+
+void Type1CFontConverter::eexecDumpOp2(int opA) {
+  charBuf->append((char)12);
+  charBuf->append((char)opA);
+}
+
+void Type1CFontConverter::eexecWriteCharstring(Guchar *s, int n) {
+  Gushort r2;
+  Guchar x;
+  int i;
+
+  r2 = 4330;
+
+  for (i = 0; i < n; ++i) {
+    // charstring encryption
+    x = s[i];
+    x ^= (r2 >> 8);
+    r2 = (x + r2) * 52845 + 22719;
+
+    // eexec encryption
+    x ^= (r1 >> 8);
+    r1 = (x + r1) * 52845 + 22719;
+    fputc(hexChars[x >> 4], out);
+    fputc(hexChars[x & 0x0f], out);
+    line += 2;
+    if (line == 64) {
+      fputc('\n', out);
+      line = 0;
+    }
+  }
+}
+
+void Type1CFontConverter::getDeltaInt(char *buf, char *name, double *opA,
+				      int n) {
+  int x, i;
+
+  sprintf(buf, "/%s [", name);
+  buf += strlen(buf);
+  x = 0;
+  for (i = 0; i < n; ++i) {
+    x += (int)opA[i];
+    sprintf(buf, "%s%d", i > 0 ? " " : "", x);
+    buf += strlen(buf);
+  }
+  sprintf(buf, "] def\n");
+}
+
+void Type1CFontConverter::getDeltaReal(char *buf, char *name, double *opA,
+				       int n) {
+  double x;
+  int i;
+
+  sprintf(buf, "/%s [", name);
+  buf += strlen(buf);
+  x = 0;
+  for (i = 0; i < n; ++i) {
+    x += opA[i];
+    sprintf(buf, "%s%g", i > 0 ? " " : "", x);
+    buf += strlen(buf);
+  }
+  sprintf(buf, "] def\n");
+}
+
+//------------------------------------------------------------------------
+// TrueTypeFontFile
+//------------------------------------------------------------------------
+
+//
+// Terminology
+// -----------
+//
+// character code = number used as an element of a text string
+//
+// character name = glyph name = name for a particular glyph within a
+//                  font
+//
+// glyph index = position (within some internal table in the font)
+//               where the instructions to draw a particular glyph are
+//               stored
+//
+// Type 1 fonts
+// ------------
+//
+// Type 1 fonts contain:
+//
+// Encoding: array of glyph names, maps char codes to glyph names
+//
+//           Encoding[charCode] = charName
+//
+// CharStrings: dictionary of instructions, keyed by character names,
+//              maps character name to glyph data
+//
+//              CharStrings[charName] = glyphData
+//
+// TrueType fonts
+// --------------
+//
+// TrueType fonts contain:
+//
+// 'cmap' table: mapping from character code to glyph index; there may
+//               be multiple cmaps in a TrueType font
+//
+//               cmap[charCode] = glyphIdx
+//
+// 'post' table: mapping from glyph index to glyph name
+//
+//               post[glyphIdx] = glyphName
+//
+// Type 42 fonts
+// -------------
+//
+// Type 42 fonts contain:
+//
+// Encoding: array of glyph names, maps char codes to glyph names
+//
+//           Encoding[charCode] = charName
+//
+// CharStrings: dictionary of glyph indexes, keyed by character names,
+//              maps character name to glyph index
+//
+//              CharStrings[charName] = glyphIdx
+//
+
+struct TTFontTableHdr {
+  char tag[4];
+  Guint checksum;
+  Guint offset;
+  Guint length;
+};
+
+// TrueType tables required by the Type 42 spec.
+static char *t42ReqTables[9] = {
+  "head",
+  "hhea",
+  "loca",
+  "maxp",
+  "cvt ",
+  "prep",
+  "glyf",
+  "hmtx",
+  "fpgm"
+};
+
+// Glyph names in some arbitrary standard that Apple uses for their
+// TrueType fonts.
+static char *macGlyphNames[258] = {
+  ".notdef",
+  "null",
+  "CR",
+  "space",
+  "exclam",
+  "quotedbl",
+  "numbersign",
+  "dollar",
+  "percent",
+  "ampersand",
+  "quotesingle",
+  "parenleft",
+  "parenright",
+  "asterisk",
+  "plus",
+  "comma",
+  "hyphen",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "at",
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+  "bracketleft",
+  "backslash",
+  "bracketright",
+  "asciicircum",
+  "underscore",
+  "grave",
+  "a",
+  "b",
+  "c",
+  "d",
+  "e",
+  "f",
+  "g",
+  "h",
+  "i",
+  "j",
+  "k",
+  "l",
+  "m",
+  "n",
+  "o",
+  "p",
+  "q",
+  "r",
+  "s",
+  "t",
+  "u",
+  "v",
+  "w",
+  "x",
+  "y",
+  "z",
+  "braceleft",
+  "bar",
+  "braceright",
+  "asciitilde",
+  "Adieresis",
+  "Aring",
+  "Ccedilla",
+  "Eacute",
+  "Ntilde",
+  "Odieresis",
+  "Udieresis",
+  "aacute",
+  "agrave",
+  "acircumflex",
+  "adieresis",
+  "atilde",
+  "aring",
+  "ccedilla",
+  "eacute",
+  "egrave",
+  "ecircumflex",
+  "edieresis",
+  "iacute",
+  "igrave",
+  "icircumflex",
+  "idieresis",
+  "ntilde",
+  "oacute",
+  "ograve",
+  "ocircumflex",
+  "odieresis",
+  "otilde",
+  "uacute",
+  "ugrave",
+  "ucircumflex",
+  "udieresis",
+  "dagger",
+  "degree",
+  "cent",
+  "sterling",
+  "section",
+  "bullet",
+  "paragraph",
+  "germandbls",
+  "registered",
+  "copyright",
+  "trademark",
+  "acute",
+  "dieresis",
+  "notequal",
+  "AE",
+  "Oslash",
+  "infinity",
+  "plusminus",
+  "lessequal",
+  "greaterequal",
+  "yen",
+  "mu1",
+  "partialdiff",
+  "summation",
+  "product",
+  "pi",
+  "integral",
+  "ordfeminine",
+  "ordmasculine",
+  "Ohm",
+  "ae",
+  "oslash",
+  "questiondown",
+  "exclamdown",
+  "logicalnot",
+  "radical",
+  "florin",
+  "approxequal",
+  "increment",
+  "guillemotleft",
+  "guillemotright",
+  "ellipsis",
+  "nbspace",
+  "Agrave",
+  "Atilde",
+  "Otilde",
+  "OE",
+  "oe",
+  "endash",
+  "emdash",
+  "quotedblleft",
+  "quotedblright",
+  "quoteleft",
+  "quoteright",
+  "divide",
+  "lozenge",
+  "ydieresis",
+  "Ydieresis",
+  "fraction",
+  "currency",
+  "guilsinglleft",
+  "guilsinglright",
+  "fi",
+  "fl",
+  "daggerdbl",
+  "periodcentered",
+  "quotesinglbase",
+  "quotedblbase",
+  "perthousand",
+  "Acircumflex",
+  "Ecircumflex",
+  "Aacute",
+  "Edieresis",
+  "Egrave",
+  "Iacute",
+  "Icircumflex",
+  "Idieresis",
+  "Igrave",
+  "Oacute",
+  "Ocircumflex",
+  "applelogo",
+  "Ograve",
+  "Uacute",
+  "Ucircumflex",
+  "Ugrave",
+  "dotlessi",
+  "circumflex",
+  "tilde",
+  "overscore",
+  "breve",
+  "dotaccent",
+  "ring",
+  "cedilla",
+  "hungarumlaut",
+  "ogonek",
+  "caron",
+  "Lslash",
+  "lslash",
+  "Scaron",
+  "scaron",
+  "Zcaron",
+  "zcaron",
+  "brokenbar",
+  "Eth",
+  "eth",
+  "Yacute",
+  "yacute",
+  "Thorn",
+  "thorn",
+  "minus",
+  "multiply",
+  "onesuperior",
+  "twosuperior",
+  "threesuperior",
+  "onehalf",
+  "onequarter",
+  "threequarters",
+  "franc",
+  "Gbreve",
+  "gbreve",
+  "Idot",
+  "Scedilla",
+  "scedilla",
+  "Cacute",
+  "cacute",
+  "Ccaron",
+  "ccaron",
+  "dmacron"
+};
+
+TrueTypeFontFile::TrueTypeFontFile(char *fileA, int lenA) {
+  int pos, i;
+
+  file = fileA;
+  len = lenA;
+
+  encoding = NULL;
+  freeEnc = gTrue;
+
+  // read table directory
+  nTables = getUShort(4);
+  tableHdrs = (TTFontTableHdr *)gmalloc(nTables * sizeof(TTFontTableHdr));
+  pos = 12;
+  for (i = 0; i < nTables; ++i) {
+    tableHdrs[i].tag[0] = getByte(pos+0);
+    tableHdrs[i].tag[1] = getByte(pos+1);
+    tableHdrs[i].tag[2] = getByte(pos+2);
+    tableHdrs[i].tag[3] = getByte(pos+3);
+    tableHdrs[i].checksum = getULong(pos+4);
+    tableHdrs[i].offset = getULong(pos+8);
+    tableHdrs[i].length = getULong(pos+12);
+    pos += 16;
+  }
+
+  // check for tables that are required by both the TrueType spec
+  // and the Type 42 spec
+  if (seekTable("head") < 0 ||
+      seekTable("hhea") < 0 ||
+      seekTable("loca") < 0 ||
+      seekTable("maxp") < 0 ||
+      seekTable("glyf") < 0 ||
+      seekTable("hmtx") < 0) {
+    error(-1, "TrueType font file is missing a required table");
+    return;
+  }
+
+  // read the 'head' table
+  pos = seekTable("head");
+  bbox[0] = getShort(pos + 36);
+  bbox[1] = getShort(pos + 38);
+  bbox[2] = getShort(pos + 40);
+  bbox[3] = getShort(pos + 42);
+  locaFmt = getShort(pos + 50);
+
+  // read the 'maxp' table
+  pos = seekTable("maxp");
+  nGlyphs = getUShort(pos + 4);
+}
+
+TrueTypeFontFile::~TrueTypeFontFile() {
+  if (encoding && freeEnc) {
+    delete encoding;
+  }
+  gfree(tableHdrs);
+}
+
+char *TrueTypeFontFile::getName() {
+  return NULL;
+}
+
+FontEncoding *TrueTypeFontFile::getEncoding(GBool taken) {
+  int cmap[256];
+  int nCmaps, cmapPlatform, cmapEncoding, cmapFmt, cmapLen, cmapOffset;
+  int segCnt, segStart, segEnd, segDelta, segOffset;
+  int pos, i, j, k;
+  Guint fmt;
+  GString *s;
+  int stringIdx, stringPos, n;
+
+  //----- construct the (char code) -> (glyph idx) mapping
+
+  // map everything to the missing glyph
+  for (i = 0; i < 256; ++i) {
+    cmap[i] = 0;
+  }
+
+  // look for the 'cmap' table
+  if ((pos = seekTable("cmap")) >= 0) {
+    nCmaps = getUShort(pos+2);
+
+    // if the font has a Windows-symbol cmap, use it;
+    // otherwise, use the first cmap in the table
+    for (i = 0; i < nCmaps; ++i) {
+      cmapPlatform = getUShort(pos + 4 + 8*i);
+      cmapEncoding = getUShort(pos + 4 + 8*i + 2);
+      if (cmapPlatform == 3 && cmapEncoding == 0) {
+	break;
+      }
+    }
+    if (i >= nCmaps) {
+      i = 0;
+      cmapPlatform = getUShort(pos + 4);
+      cmapEncoding = getUShort(pos + 4 + 2);
+    }
+    pos += getULong(pos + 4 + 8*i + 4);
+
+    // read the cmap
+    cmapFmt = getUShort(pos);
+    switch (cmapFmt) {
+    case 0: // byte encoding table (Apple standard)
+      cmapLen = getUShort(pos + 2);
+      for (i = 0; i < cmapLen && i < 256; ++i) {
+	cmap[i] = getByte(pos + 6 + i);
+      }
+      break;
+    case 4: // segment mapping to delta values (Microsoft standard)
+      if (cmapPlatform == 3 && cmapEncoding == 0) {
+	// Windows-symbol uses char codes 0xf000 - 0xf0ff
+	cmapOffset = 0xf000;
+      } else {
+	cmapOffset = 0;
+      }
+      segCnt = getUShort(pos + 6) / 2;
+      for (i = 0; i < segCnt; ++i) {
+	segEnd = getUShort(pos + 14 + 2*i);
+	segStart = getUShort(pos + 16 + 2*segCnt + 2*i);
+	segDelta = getUShort(pos + 16 + 4*segCnt + 2*i);
+	segOffset = getUShort(pos + 16 + 6*segCnt + 2*i);
+	if (segStart - cmapOffset <= 0xff &&
+	    segEnd - cmapOffset >= 0) {
+	  for (j = (segStart - cmapOffset >= 0) ? segStart : cmapOffset;
+	       j <= segEnd && j - cmapOffset <= 0xff;
+	       ++j) {
+	    if (segOffset == 0) {
+	      k = (j + segDelta) & 0xffff;
+	    } else {
+	      k = getUShort(pos + 16 + 6*segCnt + 2*i +
+			    segOffset + 2 * (j - segStart));
+	      if (k != 0) {
+		k = (k + segDelta) & 0xffff;
+	      }
+	    }
+	    cmap[j - cmapOffset] = k;
+	  }
+	}
+      }
+      break;
+    default:
+      error(-1, "Unimplemented cmap type (%d) in TrueType font file",
+	    cmapFmt);
+      break;
+    }
+  }
+
+  //----- construct the (glyph idx) -> (glyph name) mapping
+  //----- and compute the (char code) -> (glyph name) mapping
+
+  encoding = new FontEncoding();
+
+  if ((pos = seekTable("post")) >= 0) {
+    fmt = getULong(pos);
+
+    // Apple font
+    if (fmt == 0x00010000) {
+      for (i = 0; i < 256; ++i) {
+	j = (cmap[i] < 258) ? cmap[i] : 0;
+	encoding->addChar(i, copyString(macGlyphNames[j]));
+      }
+
+    // Microsoft font
+    } else if (fmt == 0x00020000) {
+      stringIdx = 0;
+      stringPos = pos + 34 + 2*nGlyphs;
+      for (i = 0; i < 256; ++i) {
+	if (cmap[i] < nGlyphs) {
+	  j = getUShort(pos + 34 + 2 * cmap[i]);
+	  if (j < 258) {
+	    encoding->addChar(i, copyString(macGlyphNames[j]));
+	  } else {
+	    j -= 258;
+	    if (j != stringIdx) {
+	      for (stringIdx = 0, stringPos = pos + 34 + 2*nGlyphs;
+		   stringIdx < j;
+		   ++stringIdx, stringPos += 1 + getByte(stringPos)) ;
+	    }
+	    n = getByte(stringPos);
+	    s = new GString(file + stringPos + 1, n);
+	    encoding->addChar(i, copyString(s->getCString()));
+	    delete s;
+	    ++stringIdx;
+	    stringPos += 1 + n;
+	  }
+	} else {
+	  encoding->addChar(i, copyString(macGlyphNames[0]));
+	}
+      }
+
+    // Apple subset
+    } else if (fmt == 0x000280000) {
+      for (i = 0; i < 256; ++i) {
+	if (cmap[i] < nGlyphs) {
+	  j = i + getChar(pos + 32 + cmap[i]);
+	} else {
+	  j = 0;
+	}
+	encoding->addChar(i, copyString(macGlyphNames[j]));
+      }
+
+    // Ugh, just assume the Apple glyph set
+    } else {
+      for (i = 0; i < 256; ++i) {
+	j = (cmap[i] < 258) ? cmap[i] : 0;
+	encoding->addChar(i, copyString(macGlyphNames[j]));
+      }
+    }
+
+  // no "post" table: assume the Apple glyph set
+  } else {
+    for (i = 0; i < 256; ++i) {
+      j = (cmap[i] < 258) ? cmap[i] : 0;
+      encoding->addChar(i, copyString(macGlyphNames[j]));
+    }
+  }
+
+  if (taken) {
+    freeEnc = gFalse;
+  }
+  return encoding;
+}
+
+void TrueTypeFontFile::convertToType42(char *name, FontEncoding *encodingA,
+				       FILE *out) {
+  // write the header
+  fprintf(out, "%%!PS-TrueTypeFont-%g\n", getFixed(0));
+
+  // begin the font dictionary
+  fprintf(out, "10 dict begin\n");
+  fprintf(out, "/FontName /%s def\n", name);
+  fprintf(out, "/FontType 42 def\n");
+  fprintf(out, "/FontMatrix [1 0 0 1 0 0] def\n");
+  fprintf(out, "/FontBBox [%d %d %d %d] def\n",
+	  bbox[0], bbox[1], bbox[2], bbox[3]);
+  fprintf(out, "/PaintType 0 def\n");
+
+  // write the guts of the dictionary
+  cvtEncoding(encodingA, out);
+  cvtCharStrings(encodingA, out);
+  cvtSfnts(out);
+
+  // end the dictionary and define the font
+  fprintf(out, "FontName currentdict end definefont pop\n");
+}
+
+int TrueTypeFontFile::getByte(int pos) {
+  return file[pos] & 0xff;
+}
+
+int TrueTypeFontFile::getChar(int pos) {
+  int x;
+
+  x = file[pos] & 0xff;
+  if (x & 0x80)
+    x |= 0xffffff00;
+  return x;
+}
+
+int TrueTypeFontFile::getUShort(int pos) {
+  int x;
+
+  x = file[pos] & 0xff;
+  x = (x << 8) + (file[pos+1] & 0xff);
+  return x;
+}
+
+int TrueTypeFontFile::getShort(int pos) {
+  int x;
+
+  x = file[pos] & 0xff;
+  x = (x << 8) + (file[pos+1] & 0xff);
+  if (x & 0x8000)
+    x |= 0xffff0000;
+  return x;
+}
+
+Guint TrueTypeFontFile::getULong(int pos) {
+  int x;
+
+  x = file[pos] & 0xff;
+  x = (x << 8) + (file[pos+1] & 0xff);
+  x = (x << 8) + (file[pos+2] & 0xff);
+  x = (x << 8) + (file[pos+3] & 0xff);
+  return x;
+}
+
+double TrueTypeFontFile::getFixed(int pos) {
+  int x, y;
+
+  x = getShort(pos);
+  y = getUShort(pos+2);
+  return (double)x + (double)y / 65536;
+}
+
+int TrueTypeFontFile::seekTable(char *tag) {
+  int i;
+
+  for (i = 0; i < nTables; ++i) {
+    if (!strncmp(tableHdrs[i].tag, tag, 4))
+      return tableHdrs[i].offset;
+  }
+  return -1;
+}
+
+void TrueTypeFontFile::cvtEncoding(FontEncoding *encodingA, FILE *out) {
+  char *name;
+  int i;
+
+  fprintf(out, "/Encoding 256 array\n");
+  for (i = 0; i < 256; ++i) {
+    if (!(name = encodingA->getCharName(i))) {
+      name = ".notdef";
+    }
+    fprintf(out, "dup %d /%s put\n", i, name);
+  }
+  fprintf(out, "readonly def\n");
+}
+
+void TrueTypeFontFile::cvtCharStrings(FontEncoding *encodingA, FILE *out) {
+  int cmap[256];
+  int nCmaps, cmapPlatform, cmapEncoding, cmapFmt, cmapLen, cmapOffset;
+  int segCnt, segStart, segEnd, segDelta, segOffset;
+  char *name;
+  int pos, i, j, k;
+
+  //----- read the cmap: construct the (char code) -> (glyph idx) mapping
+
+  // map everything to the missing glyph
+  for (i = 0; i < 256; ++i) {
+    cmap[i] = 0;
+  }
+
+  // look for the 'cmap' table
+  if ((pos = seekTable("cmap")) >= 0) {
+    nCmaps = getUShort(pos+2);
+
+    // if the font has a Windows-symbol cmap, use it;
+    // otherwise, use the first cmap in the table
+    for (i = 0; i < nCmaps; ++i) {
+      cmapPlatform = getUShort(pos + 4 + 8*i);
+      cmapEncoding = getUShort(pos + 4 + 8*i + 2);
+      if (cmapPlatform == 3 && cmapEncoding == 0) {
+	break;
+      }
+    }
+    if (i >= nCmaps) {
+      i = 0;
+      cmapPlatform = getUShort(pos + 4);
+      cmapEncoding = getUShort(pos + 4 + 2);
+    }
+    pos += getULong(pos + 4 + 8*i + 4);
+
+    // read the cmap
+    cmapFmt = getUShort(pos);
+    switch (cmapFmt) {
+    case 0: // byte encoding table (Apple standard)
+      cmapLen = getUShort(pos + 2);
+      for (i = 0; i < cmapLen && i < 256; ++i) {
+	cmap[i] = getByte(pos + 6 + i);
+      }
+      break;
+    case 4: // segment mapping to delta values (Microsoft standard)
+      if (cmapPlatform == 3 && cmapEncoding == 0) {
+	// Windows-symbol uses char codes 0xf000 - 0xf0ff
+	cmapOffset = 0xf000;
+      } else {
+	cmapOffset = 0;
+      }
+      segCnt = getUShort(pos + 6) / 2;
+      for (i = 0; i < segCnt; ++i) {
+	segEnd = getUShort(pos + 14 + 2*i);
+	segStart = getUShort(pos + 16 + 2*segCnt + 2*i);
+	segDelta = getUShort(pos + 16 + 4*segCnt + 2*i);
+	segOffset = getUShort(pos + 16 + 6*segCnt + 2*i);
+	if (segStart - cmapOffset <= 0xff &&
+	    segEnd - cmapOffset >= 0) {
+	  for (j = (segStart - cmapOffset >= 0) ? segStart : cmapOffset;
+	       j <= segEnd && j - cmapOffset <= 0xff;
+	       ++j) {
+	    if (segOffset == 0) {
+	      k = (j + segDelta) & 0xffff;
+	    } else {
+	      k = getUShort(pos + 16 + 6*segCnt + 2*i +
+			    segOffset + 2 * (j - segStart));
+	      if (k != 0) {
+		k = (k + segDelta) & 0xffff;
+	      }
+	    }
+	    cmap[j - cmapOffset] = k;
+	  }
+	}
+      }
+      break;
+    default:
+      error(-1, "Unimplemented cmap type (%d) in TrueType font file",
+	    cmapFmt);
+      break;
+    }
+  }
+
+  //----- map char code to glyph index
+
+  // 1. use encoding to map name to char code
+  // 2. use cmap to map char code to glyph index
+
+  fprintf(out, "/CharStrings 256 dict dup begin\n");
+  fprintf(out, "/.notdef 0 def\n");
+
+  // kludge: this loop goes backward because the WinAnsi and MacRoman
+  // encodings define certain chars multiple times (space, hyphen,
+  // etc.), and we want the lowest-numbered definition to "stick"
+  // (because the higher-numbered defn(s) may not have valid cmap
+  // entries)
+  i = encodingA->getSize();
+  if (i > 255) {
+    i = 255;
+  }
+  for (; i >= 0; --i) {
+    name = encodingA->getCharName(i);
+    if (name && strcmp(name, ".notdef")) {
+      fprintf(out, "/%s %d def\n", name, cmap[i]);
+    }
+  }
+
+  fprintf(out, "end readonly def\n");
+}
+
+void TrueTypeFontFile::cvtSfnts(FILE *out) {
+  char tableDir[12 + 9*16];
+  int *list;
+  int nTablesOut, pos, destPos, i, j, k1, k2;
+
+  fprintf(out, "/sfnts [\n");
+
+  // count tables
+  nTablesOut = 0;
+  for (i = 0; i < 9; ++i) {
+    for (j = 0; j < nTables; ++j) {
+      if (!strncmp(t42ReqTables[i], tableHdrs[j].tag, 4)) {
+	++nTablesOut;
+	break;
+      }
+    }
+  }
+
+  // header
+  tableDir[0] = 0x00;		// sfnt version
+  tableDir[1] = 0x01;
+  tableDir[2] = 0x00;
+  tableDir[3] = 0x00;
+  tableDir[4] = (nTablesOut >> 8) & 0xff;   // numTables
+  tableDir[5] = nTablesOut & 0xff;
+  tableDir[6] = 0;		// searchRange
+  tableDir[7] = (char)128;
+  tableDir[8] = 0;		// entrySelector
+  tableDir[9] = 3;
+  tableDir[10] = 0;		// rangeShift
+  tableDir[11] = 16;
+
+  // table directory
+  pos = 12;
+  destPos = 12 + 16 * nTablesOut;
+  for (i = 0; i < 9; ++i) {
+    for (j = 0; j < nTables; ++j) {
+      if (!strncmp(t42ReqTables[i], tableHdrs[j].tag, 4)) {
+	break;
+      }
+    }
+    if (j < nTables) {
+      memcpy(&tableDir[pos], t42ReqTables[i], 4);
+      tableDir[pos+4] = (tableHdrs[j].checksum >> 24) & 0xff;
+      tableDir[pos+5] = (tableHdrs[j].checksum >> 16) & 0xff;
+      tableDir[pos+6] = (tableHdrs[j].checksum >> 8) & 0xff;
+      tableDir[pos+7] = tableHdrs[j].checksum & 0xff;
+      tableDir[pos+8] = (destPos >> 24) & 0xff;
+      tableDir[pos+9] = (destPos >> 16) & 0xff;
+      tableDir[pos+10] = (destPos >> 8) & 0xff;
+      tableDir[pos+11] = destPos & 0xff;
+      tableDir[pos+12] = (tableHdrs[j].length >> 24) & 0xff;
+      tableDir[pos+13] = (tableHdrs[j].length >> 16) & 0xff;
+      tableDir[pos+14] = (tableHdrs[j].length >> 8) & 0xff;
+      tableDir[pos+15] = tableHdrs[j].length & 0xff;
+      pos += 16;
+      destPos += tableHdrs[j].length;
+      if (tableHdrs[j].length & 3) {
+	destPos += 4 - (tableHdrs[j].length & 3);
+      }
+    }
+  }
+
+  dumpString(tableDir, 12 + 16 * nTablesOut, out);
+
+  for (i = 0; i < 9; ++i) {
+    for (j = 0; j < nTables; ++j) {
+      if (!strncmp(t42ReqTables[i], tableHdrs[j].tag, 4)) {
+	break;
+      }
+    }
+    if (j < nTables) {
+      if (!strcmp(t42ReqTables[i], "glyf") && tableHdrs[j].length > 65532) {
+	// the 'glyf' table won't fit in a single string, and we're only
+	// allowed to break at glyph boundaries
+	list = (int *)gmalloc((nGlyphs + 1) * sizeof(int));
+	pos = seekTable("loca");
+	for (k1 = 0; k1 <= nGlyphs; ++k1) {
+	  if (locaFmt) {
+	    list[k1] = getULong(pos + 4*k1);
+	  } else {
+	    list[k1] = 2 * getUShort(pos + 2*k1);
+	  }
+	}
+	k1 = 0;
+	while (k1 < nGlyphs) {
+	  for (k2 = k1 + 1;
+	       k2 < nGlyphs && list[k2+1] - list[k1] <= 65532;
+	       ++k2) ;
+	  // ghostscript is unhappy if we break at anything other
+	  // than a multiple of four bytes
+	  while (((list[k2] - list[k1]) & 3) && k2 > k1 + 1) {
+	    --k2;
+	  }
+	  dumpString(file + tableHdrs[j].offset + list[k1],
+		     list[k2] - list[k1], out);
+	  k1 = k2;
+	}
+	gfree(list);
+      } else {
+	dumpString(file + tableHdrs[j].offset, tableHdrs[j].length, out);
+      }
+    }
+  }
+
+  fprintf(out, "] def\n");
+}
+
+void TrueTypeFontFile::dumpString(char *s, int n, FILE *out) {
+  int i, j;
+
+  fprintf(out, "<");
+  for (i = 0; i < n; i += 32) {
+    for (j = 0; j < 32 && i+j < n; ++j) {
+      fprintf(out, "%02X", s[i+j] & 0xff);
+    }
+    if (i+32 < n) {
+      fprintf(out, "\n");
+    }
+  }
+  if (n & 3) {
+    for (i = 0; i < 4 - (n & 3); ++i) {
+      fprintf(out, "00");
+    }
+  }
+  // append an extra mystery zero byte because the Type 42 spec says so
+  fprintf(out, "00>\n");
+}
diff --git a/pdftops/FontFile.h b/pdftops/FontFile.h
new file mode 100644
index 000000000..b64d827eb
--- /dev/null
+++ b/pdftops/FontFile.h
@@ -0,0 +1,170 @@
+//========================================================================
+//
+// FontFile.h
+//
+// Copyright 1999 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef FONTFILE_H
+#define FONTFILE_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stdio.h>
+#include "gtypes.h"
+#include "GString.h"
+#include "FontEncoding.h"
+
+//------------------------------------------------------------------------
+// FontFile
+//------------------------------------------------------------------------
+
+class FontFile {
+public:
+
+  FontFile();
+  virtual ~FontFile();
+
+  // Returns the font name, as specified internally by the font file.
+  // Returns NULL if no name is available.
+  virtual char *getName() = 0;
+
+  // Returns the custom font encoding, or NULL if the encoding is
+  // not available.  If <taken> is set, the caller of this function
+  // will be responsible for freeing the encoding object.
+  virtual FontEncoding *getEncoding(GBool taken) = 0;
+};
+
+//------------------------------------------------------------------------
+// Type1FontFile
+//------------------------------------------------------------------------
+
+class Type1FontFile: public FontFile {
+public:
+
+  Type1FontFile(char *file, int len);
+  virtual ~Type1FontFile();
+  virtual char *getName() { return name; }
+  virtual FontEncoding *getEncoding(GBool taken);
+
+private:
+
+  char *name;
+  FontEncoding *encoding;
+  GBool freeEnc;
+};
+
+//------------------------------------------------------------------------
+// Type1CFontFile
+//------------------------------------------------------------------------
+
+class Type1CFontFile: public FontFile {
+public:
+
+  Type1CFontFile(char *file, int len);
+  virtual ~Type1CFontFile();
+  virtual char *getName() { return name; }
+  virtual FontEncoding *getEncoding(GBool taken);
+
+private:
+
+  char *name;
+  FontEncoding *encoding;
+  GBool freeEnc;
+};
+
+//------------------------------------------------------------------------
+// Type1CFontConverter
+//------------------------------------------------------------------------
+
+class Type1CFontConverter {
+public:
+
+  Type1CFontConverter(char *fileA, int lenA, FILE *outA);
+  ~Type1CFontConverter();
+  void convert();
+
+private:
+
+  void eexecWrite(char *s);
+  void cvtGlyph(char *name, Guchar *s, int n);
+  void cvtGlyphWidth(GBool useOp);
+  void eexecDumpNum(double x, GBool fpA);
+  void eexecDumpOp1(int opA);
+  void eexecDumpOp2(int opA);
+  void eexecWriteCharstring(Guchar *s, int n);
+  void getDeltaInt(char *buf, char *name, double *opA, int n);
+  void getDeltaReal(char *buf, char *name, double *opA, int n);
+
+  char *file;
+  int len;
+  FILE *out;
+  double op[48];		// operands
+  GBool fp[48];			// true if operand is fixed point
+  int nOps;			// number of operands
+  double defaultWidthX;		// default glyph width
+  double nominalWidthX;		// nominal glyph width
+  GBool defaultWidthXFP;	// true if defaultWidthX is fixed point
+  GBool nominalWidthXFP;	// true if nominalWidthX is fixed point
+  Gushort r1;			// eexec encryption key
+  GString *charBuf;		// charstring output buffer
+  int line;			// number of eexec chars on current line
+};
+
+//------------------------------------------------------------------------
+// TrueTypeFontFile
+//------------------------------------------------------------------------
+
+struct TTFontTableHdr;
+
+class TrueTypeFontFile: public FontFile {
+public:
+
+  TrueTypeFontFile(char *fileA, int lenA);
+  ~TrueTypeFontFile();
+
+  // This always returns NULL, since it's probably better to trust the
+  // font name in the PDF file rather than the one in the TrueType
+  // font file.
+  virtual char *getName();
+
+  virtual FontEncoding *getEncoding(GBool taken);
+
+  // Convert to a Type 42 font, suitable for embedding in a PostScript
+  // file.  The name will be used as the PostScript font name (so we
+  // don't need to depend on the 'name' table in the font).  The
+  // encoding is needed because the PDF Font object can modify the
+  // encoding.
+  void convertToType42(char *name, FontEncoding *encodingA, FILE *out);
+
+private:
+
+  char *file;
+  int len;
+
+  FontEncoding *encoding;
+  GBool freeEnc;
+
+  TTFontTableHdr *tableHdrs;
+  int nTables;
+  int bbox[4];
+  int locaFmt;
+  int nGlyphs;
+
+  int getByte(int pos);
+  int getChar(int pos);
+  int getUShort(int pos);
+  int getShort(int pos);
+  Guint getULong(int pos);
+  double getFixed(int pos);
+  int seekTable(char *tag);
+  void cvtEncoding(FontEncoding *encodingA, FILE *out);
+  void cvtCharStrings(FontEncoding *encodingA, FILE *out);
+  void cvtSfnts(FILE *out);
+  void dumpString(char *s, int n, FILE *out);
+};
+
+#endif
diff --git a/pdftops/FontInfo.h b/pdftops/FontInfo.h
new file mode 100644
index 000000000..a5b4cced3
--- /dev/null
+++ b/pdftops/FontInfo.h
@@ -0,0 +1,2070 @@
+//========================================================================
+//
+// FontInfo.h
+//
+// This file was automatically generated by makeFontInfo.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef FONTINFO_H
+#define FONTINFO_H
+
+//------------------------------------------------------------------------
+// Character encodings.
+//------------------------------------------------------------------------
+
+#define standardEncodingSize 335
+static char *standardEncodingNames[standardEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "exclam",
+  "quotedbl",
+  "numbersign",
+  "dollar",
+  "percent",
+  "ampersand",
+  "quoteright",
+  "parenleft",
+  "parenright",
+  "asterisk",
+  "plus",
+  "comma",
+  "hyphen",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "at",
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+  "bracketleft",
+  "backslash",
+  "bracketright",
+  "asciicircum",
+  "underscore",
+  "quoteleft",
+  "a",
+  "b",
+  "c",
+  "d",
+  "e",
+  "f",
+  "g",
+  "h",
+  "i",
+  "j",
+  "k",
+  "l",
+  "m",
+  "n",
+  "o",
+  "p",
+  "q",
+  "r",
+  "s",
+  "t",
+  "u",
+  "v",
+  "w",
+  "x",
+  "y",
+  "z",
+  "braceleft",
+  "bar",
+  "braceright",
+  "asciitilde",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "exclamdown",
+  "cent",
+  "sterling",
+  "fraction",
+  "yen",
+  "florin",
+  "section",
+  "currency",
+  "quotesingle",
+  "quotedblleft",
+  "guillemotleft",
+  "guilsinglleft",
+  "guilsinglright",
+  "fi",
+  "fl",
+  NULL,
+  "endash",
+  "dagger",
+  "daggerdbl",
+  "periodcentered",
+  NULL,
+  "paragraph",
+  "bullet",
+  "quotesinglbase",
+  "quotedblbase",
+  "quotedblright",
+  "guillemotright",
+  "ellipsis",
+  "perthousand",
+  NULL,
+  "questiondown",
+  NULL,
+  "grave",
+  "acute",
+  "circumflex",
+  "tilde",
+  "macron",
+  "breve",
+  "dotaccent",
+  "dieresis",
+  NULL,
+  "ring",
+  "cedilla",
+  NULL,
+  "hungarumlaut",
+  "ogonek",
+  "caron",
+  "emdash",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "AE",
+  NULL,
+  "ordfeminine",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "Lslash",
+  "Oslash",
+  "OE",
+  "ordmasculine",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "ae",
+  NULL,
+  NULL,
+  NULL,
+  "dotlessi",
+  NULL,
+  NULL,
+  "lslash",
+  "oslash",
+  "oe",
+  "germandbls",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "Aacute",
+  "Acircumflex",
+  "Adieresis",
+  "Agrave",
+  "Aring",
+  "Atilde",
+  "Ccedilla",
+  "Eacute",
+  "Ecircumflex",
+  "Edieresis",
+  "Egrave",
+  "Eth",
+  "Iacute",
+  "Icircumflex",
+  "Idieresis",
+  "Igrave",
+  "Ntilde",
+  "Oacute",
+  "Ocircumflex",
+  "Odieresis",
+  "Ograve",
+  "Otilde",
+  "Scaron",
+  "Thorn",
+  "Uacute",
+  "Ucircumflex",
+  "Udieresis",
+  "Ugrave",
+  "Yacute",
+  "Ydieresis",
+  "Zcaron",
+  "aacute",
+  "acircumflex",
+  "adieresis",
+  "agrave",
+  "aring",
+  "atilde",
+  "brokenbar",
+  "ccedilla",
+  "copyright",
+  "degree",
+  "divide",
+  "eacute",
+  "ecircumflex",
+  "edieresis",
+  "egrave",
+  "eth",
+  "iacute",
+  "icircumflex",
+  "idieresis",
+  "igrave",
+  "logicalnot",
+  "minus",
+  "mu",
+  "multiply",
+  "ntilde",
+  "oacute",
+  "ocircumflex",
+  "odieresis",
+  "ograve",
+  "onehalf",
+  "onequarter",
+  "onesuperior",
+  "otilde",
+  "plusminus",
+  "registered",
+  "scaron",
+  "thorn",
+  "threequarters",
+  "threesuperior",
+  "trademark",
+  "twosuperior",
+  "uacute",
+  "ucircumflex",
+  "udieresis",
+  "ugrave",
+  "yacute",
+  "ydieresis",
+  "zcaron"
+};
+static FontEncoding standardEncoding(standardEncodingNames,
+                                     standardEncodingSize);
+
+#define symbolEncodingSize 257
+static char *symbolEncodingNames[symbolEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "exclam",
+  "universal",
+  "numbersign",
+  "existential",
+  "percent",
+  "ampersand",
+  "suchthat",
+  "parenleft",
+  "parenright",
+  "asteriskmath",
+  "plus",
+  "comma",
+  "minus",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "congruent",
+  "Alpha",
+  "Beta",
+  "Chi",
+  "Delta",
+  "Epsilon",
+  "Phi",
+  "Gamma",
+  "Eta",
+  "Iota",
+  "theta1",
+  "Kappa",
+  "Lambda",
+  "Mu",
+  "Nu",
+  "Omicron",
+  "Pi",
+  "Theta",
+  "Rho",
+  "Sigma",
+  "Tau",
+  "Upsilon",
+  "sigma1",
+  "Omega",
+  "Xi",
+  "Psi",
+  "Zeta",
+  "bracketleft",
+  "therefore",
+  "bracketright",
+  "perpendicular",
+  "underscore",
+  "radicalex",
+  "alpha",
+  "beta",
+  "chi",
+  "delta",
+  "epsilon",
+  "phi",
+  "gamma",
+  "eta",
+  "iota",
+  "phi1",
+  "kappa",
+  "lambda",
+  "mu",
+  "nu",
+  "omicron",
+  "pi",
+  "theta",
+  "rho",
+  "sigma",
+  "tau",
+  "upsilon",
+  "omega1",
+  "omega",
+  "xi",
+  "psi",
+  "zeta",
+  "braceleft",
+  "bar",
+  "braceright",
+  "similar",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "Upsilon1",
+  "minute",
+  "lessequal",
+  "fraction",
+  "infinity",
+  "florin",
+  "club",
+  "diamond",
+  "heart",
+  "spade",
+  "arrowboth",
+  "arrowleft",
+  "arrowup",
+  "arrowright",
+  "arrowdown",
+  "degree",
+  "plusminus",
+  "second",
+  "greaterequal",
+  "multiply",
+  "proportional",
+  "partialdiff",
+  "bullet",
+  "divide",
+  "notequal",
+  "equivalence",
+  "approxequal",
+  "ellipsis",
+  "arrowvertex",
+  "arrowhorizex",
+  "carriagereturn",
+  "aleph",
+  "Ifraktur",
+  "Rfraktur",
+  "weierstrass",
+  "circlemultiply",
+  "circleplus",
+  "emptyset",
+  "intersection",
+  "union",
+  "propersuperset",
+  "reflexsuperset",
+  "notsubset",
+  "propersubset",
+  "reflexsubset",
+  "element",
+  "notelement",
+  "angle",
+  "gradient",
+  "registerserif",
+  "copyrightserif",
+  "trademarkserif",
+  "product",
+  "radical",
+  "dotmath",
+  "logicalnot",
+  "logicaland",
+  "logicalor",
+  "arrowdblboth",
+  "arrowdblleft",
+  "arrowdblup",
+  "arrowdblright",
+  "arrowdbldown",
+  "lozenge",
+  "angleleft",
+  "registersans",
+  "copyrightsans",
+  "trademarksans",
+  "summation",
+  "parenlefttp",
+  "parenleftex",
+  "parenleftbt",
+  "bracketlefttp",
+  "bracketleftex",
+  "bracketleftbt",
+  "bracelefttp",
+  "braceleftmid",
+  "braceleftbt",
+  "braceex",
+  NULL,
+  "angleright",
+  "integral",
+  "integraltp",
+  "integralex",
+  "integralbt",
+  "parenrighttp",
+  "parenrightex",
+  "parenrightbt",
+  "bracketrighttp",
+  "bracketrightex",
+  "bracketrightbt",
+  "bracerighttp",
+  "bracerightmid",
+  "bracerightbt",
+  NULL,
+  "apple"
+};
+static FontEncoding symbolEncoding(symbolEncodingNames,
+                                   symbolEncodingSize);
+
+#define zapfDingbatsEncodingSize 270
+static char *zapfDingbatsEncodingNames[zapfDingbatsEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "a1",
+  "a2",
+  "a202",
+  "a3",
+  "a4",
+  "a5",
+  "a119",
+  "a118",
+  "a117",
+  "a11",
+  "a12",
+  "a13",
+  "a14",
+  "a15",
+  "a16",
+  "a105",
+  "a17",
+  "a18",
+  "a19",
+  "a20",
+  "a21",
+  "a22",
+  "a23",
+  "a24",
+  "a25",
+  "a26",
+  "a27",
+  "a28",
+  "a6",
+  "a7",
+  "a8",
+  "a9",
+  "a10",
+  "a29",
+  "a30",
+  "a31",
+  "a32",
+  "a33",
+  "a34",
+  "a35",
+  "a36",
+  "a37",
+  "a38",
+  "a39",
+  "a40",
+  "a41",
+  "a42",
+  "a43",
+  "a44",
+  "a45",
+  "a46",
+  "a47",
+  "a48",
+  "a49",
+  "a50",
+  "a51",
+  "a52",
+  "a53",
+  "a54",
+  "a55",
+  "a56",
+  "a57",
+  "a58",
+  "a59",
+  "a60",
+  "a61",
+  "a62",
+  "a63",
+  "a64",
+  "a65",
+  "a66",
+  "a67",
+  "a68",
+  "a69",
+  "a70",
+  "a71",
+  "a72",
+  "a73",
+  "a74",
+  "a203",
+  "a75",
+  "a204",
+  "a76",
+  "a77",
+  "a78",
+  "a79",
+  "a81",
+  "a82",
+  "a83",
+  "a84",
+  "a97",
+  "a98",
+  "a99",
+  "a100",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "a101",
+  "a102",
+  "a103",
+  "a104",
+  "a106",
+  "a107",
+  "a108",
+  "a112",
+  "a111",
+  "a110",
+  "a109",
+  "a120",
+  "a121",
+  "a122",
+  "a123",
+  "a124",
+  "a125",
+  "a126",
+  "a127",
+  "a128",
+  "a129",
+  "a130",
+  "a131",
+  "a132",
+  "a133",
+  "a134",
+  "a135",
+  "a136",
+  "a137",
+  "a138",
+  "a139",
+  "a140",
+  "a141",
+  "a142",
+  "a143",
+  "a144",
+  "a145",
+  "a146",
+  "a147",
+  "a148",
+  "a149",
+  "a150",
+  "a151",
+  "a152",
+  "a153",
+  "a154",
+  "a155",
+  "a156",
+  "a157",
+  "a158",
+  "a159",
+  "a160",
+  "a161",
+  "a163",
+  "a164",
+  "a196",
+  "a165",
+  "a192",
+  "a166",
+  "a167",
+  "a168",
+  "a169",
+  "a170",
+  "a171",
+  "a172",
+  "a173",
+  "a162",
+  "a174",
+  "a175",
+  "a176",
+  "a177",
+  "a178",
+  "a179",
+  "a193",
+  "a180",
+  "a199",
+  "a181",
+  "a200",
+  "a182",
+  NULL,
+  "a201",
+  "a183",
+  "a184",
+  "a197",
+  "a185",
+  "a194",
+  "a198",
+  "a186",
+  "a195",
+  "a187",
+  "a188",
+  "a189",
+  "a190",
+  "a191",
+  NULL,
+  "a205",
+  "a206",
+  "a85",
+  "a86",
+  "a87",
+  "a88",
+  "a89",
+  "a90",
+  "a91",
+  "a92",
+  "a93",
+  "a94",
+  "a95",
+  "a96"
+};
+static FontEncoding zapfDingbatsEncoding(zapfDingbatsEncodingNames,
+                                         zapfDingbatsEncodingSize);
+
+#define macRomanEncodingSize 256
+static char *macRomanEncodingNames[macRomanEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "exclam",
+  "quotedbl",
+  "numbersign",
+  "dollar",
+  "percent",
+  "ampersand",
+  "quotesingle",
+  "parenleft",
+  "parenright",
+  "asterisk",
+  "plus",
+  "comma",
+  "hyphen",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "at",
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+  "bracketleft",
+  "backslash",
+  "bracketright",
+  "asciicircum",
+  "underscore",
+  "grave",
+  "a",
+  "b",
+  "c",
+  "d",
+  "e",
+  "f",
+  "g",
+  "h",
+  "i",
+  "j",
+  "k",
+  "l",
+  "m",
+  "n",
+  "o",
+  "p",
+  "q",
+  "r",
+  "s",
+  "t",
+  "u",
+  "v",
+  "w",
+  "x",
+  "y",
+  "z",
+  "braceleft",
+  "bar",
+  "braceright",
+  "asciitilde",
+  NULL,
+  "Adieresis",
+  "Aring",
+  "Ccedilla",
+  "Eacute",
+  "Ntilde",
+  "Odieresis",
+  "Udieresis",
+  "aacute",
+  "agrave",
+  "acircumflex",
+  "adieresis",
+  "atilde",
+  "aring",
+  "ccedilla",
+  "eacute",
+  "egrave",
+  "ecircumflex",
+  "edieresis",
+  "iacute",
+  "igrave",
+  "icircumflex",
+  "idieresis",
+  "ntilde",
+  "oacute",
+  "ograve",
+  "ocircumflex",
+  "odieresis",
+  "otilde",
+  "uacute",
+  "ugrave",
+  "ucircumflex",
+  "udieresis",
+  "dagger",
+  "degree",
+  "cent",
+  "sterling",
+  "section",
+  "bullet",
+  "paragraph",
+  "germandbls",
+  "registered",
+  "copyright",
+  "trademark",
+  "acute",
+  "dieresis",
+  NULL,
+  "AE",
+  "Oslash",
+  NULL,
+  "plusminus",
+  NULL,
+  NULL,
+  "yen",
+  "mu",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "ordfeminine",
+  "ordmasculine",
+  NULL,
+  "ae",
+  "oslash",
+  "questiondown",
+  "exclamdown",
+  "logicalnot",
+  NULL,
+  "florin",
+  NULL,
+  NULL,
+  "guillemotleft",
+  "guillemotright",
+  "ellipsis",
+  "space",
+  "Agrave",
+  "Atilde",
+  "Otilde",
+  "OE",
+  "oe",
+  "endash",
+  "emdash",
+  "quotedblleft",
+  "quotedblright",
+  "quoteleft",
+  "quoteright",
+  "divide",
+  NULL,
+  "ydieresis",
+  "Ydieresis",
+  "fraction",
+  "currency",
+  "guilsinglleft",
+  "guilsinglright",
+  "fi",
+  "fl",
+  "daggerdbl",
+  "periodcentered",
+  "quotesinglbase",
+  "quotedblbase",
+  "perthousand",
+  "Acircumflex",
+  "Ecircumflex",
+  "Aacute",
+  "Edieresis",
+  "Egrave",
+  "Iacute",
+  "Icircumflex",
+  "Idieresis",
+  "Igrave",
+  "Oacute",
+  "Ocircumflex",
+  NULL,
+  "Ograve",
+  "Uacute",
+  "Ucircumflex",
+  "Ugrave",
+  "dotlessi",
+  "circumflex",
+  "tilde",
+  "macron",
+  "breve",
+  "dotaccent",
+  "ring",
+  "cedilla",
+  "hungarumlaut",
+  "ogonek",
+  "caron"
+};
+static FontEncoding macRomanEncoding(macRomanEncodingNames,
+                                     macRomanEncodingSize);
+
+#define winAnsiEncodingSize 256
+static char *winAnsiEncodingNames[winAnsiEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "exclam",
+  "quotedbl",
+  "numbersign",
+  "dollar",
+  "percent",
+  "ampersand",
+  "quotesingle",
+  "parenleft",
+  "parenright",
+  "asterisk",
+  "plus",
+  "comma",
+  "hyphen",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "at",
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+  "bracketleft",
+  "backslash",
+  "bracketright",
+  "asciicircum",
+  "underscore",
+  "grave",
+  "a",
+  "b",
+  "c",
+  "d",
+  "e",
+  "f",
+  "g",
+  "h",
+  "i",
+  "j",
+  "k",
+  "l",
+  "m",
+  "n",
+  "o",
+  "p",
+  "q",
+  "r",
+  "s",
+  "t",
+  "u",
+  "v",
+  "w",
+  "x",
+  "y",
+  "z",
+  "braceleft",
+  "bar",
+  "braceright",
+  "asciitilde",
+  "bullet",
+  "Euro",
+  "bullet",
+  "quotesinglbase",
+  "florin",
+  "quotedblbase",
+  "ellipsis",
+  "dagger",
+  "daggerdbl",
+  "circumflex",
+  "perthousand",
+  "Scaron",
+  "guilsinglleft",
+  "OE",
+  "bullet",
+  "bullet",
+  "bullet",
+  "bullet",
+  "quoteleft",
+  "quoteright",
+  "quotedblleft",
+  "quotedblright",
+  "bullet",
+  "endash",
+  "emdash",
+  "tilde",
+  "trademark",
+  "scaron",
+  "guilsinglright",
+  "oe",
+  "bullet",
+  "bullet",
+  "Ydieresis",
+  "space",
+  "exclamdown",
+  "cent",
+  "sterling",
+  "currency",
+  "yen",
+  "brokenbar",
+  "section",
+  "dieresis",
+  "copyright",
+  "ordfeminine",
+  "guillemotleft",
+  "logicalnot",
+  "hyphen",
+  "registered",
+  "macron",
+  "degree",
+  "plusminus",
+  "twosuperior",
+  "threesuperior",
+  "acute",
+  "mu",
+  "paragraph",
+  "periodcentered",
+  "cedilla",
+  "onesuperior",
+  "ordmasculine",
+  "guillemotright",
+  "onequarter",
+  "onehalf",
+  "threequarters",
+  "questiondown",
+  "Agrave",
+  "Aacute",
+  "Acircumflex",
+  "Atilde",
+  "Adieresis",
+  "Aring",
+  "AE",
+  "Ccedilla",
+  "Egrave",
+  "Eacute",
+  "Ecircumflex",
+  "Edieresis",
+  "Igrave",
+  "Iacute",
+  "Icircumflex",
+  "Idieresis",
+  "Eth",
+  "Ntilde",
+  "Ograve",
+  "Oacute",
+  "Ocircumflex",
+  "Otilde",
+  "Odieresis",
+  "multiply",
+  "Oslash",
+  "Ugrave",
+  "Uacute",
+  "Ucircumflex",
+  "Udieresis",
+  "Yacute",
+  "Thorn",
+  "germandbls",
+  "agrave",
+  "aacute",
+  "acircumflex",
+  "atilde",
+  "adieresis",
+  "aring",
+  "ae",
+  "ccedilla",
+  "egrave",
+  "eacute",
+  "ecircumflex",
+  "edieresis",
+  "igrave",
+  "iacute",
+  "icircumflex",
+  "idieresis",
+  "eth",
+  "ntilde",
+  "ograve",
+  "oacute",
+  "ocircumflex",
+  "otilde",
+  "odieresis",
+  "divide",
+  "oslash",
+  "ugrave",
+  "uacute",
+  "ucircumflex",
+  "udieresis",
+  "yacute",
+  "thorn",
+  "ydieresis"
+};
+static FontEncoding winAnsiEncoding(winAnsiEncodingNames,
+                                    winAnsiEncodingSize);
+
+//------------------------------------------------------------------------
+// Character widths for built-in fonts.
+//------------------------------------------------------------------------
+
+static Gushort courierWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+     0,  600,  600,  600,  600,    0,  600,  600,
+   600,  600,  600,  600,  600,  600,    0,  600,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,    0,  600,  600,    0,  600,  600,  600,
+   600,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,    0,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+     0,  600,    0,    0,    0,  600,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600
+};
+
+static Gushort courierBoldWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+     0,  600,  600,  600,  600,    0,  600,  600,
+   600,  600,  600,  600,  600,  600,    0,  600,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,    0,  600,  600,    0,  600,  600,  600,
+   600,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,    0,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+     0,  600,    0,    0,    0,  600,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600
+};
+
+static Gushort courierBoldObliqueWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+     0,  600,  600,  600,  600,    0,  600,  600,
+   600,  600,  600,  600,  600,  600,    0,  600,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,    0,  600,  600,    0,  600,  600,  600,
+   600,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,    0,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+     0,  600,    0,    0,    0,  600,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600
+};
+
+static Gushort courierObliqueWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+     0,  600,  600,  600,  600,    0,  600,  600,
+   600,  600,  600,  600,  600,  600,    0,  600,
+     0,  600,  600,  600,  600,  600,  600,  600,
+   600,    0,  600,  600,    0,  600,  600,  600,
+   600,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  600,    0,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+     0,  600,    0,    0,    0,  600,    0,    0,
+   600,  600,  600,  600,    0,    0,    0,    0,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600,  600,
+   600,  600,  600,  600,  600,  600,  600
+};
+
+static Gushort helveticaWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   278,  278,  355,  556,  556,  889,  667,  222,
+   333,  333,  389,  584,  278,  333,  278,  278,
+   556,  556,  556,  556,  556,  556,  556,  556,
+   556,  556,  278,  278,  584,  584,  584,  556,
+  1015,  667,  667,  722,  722,  667,  611,  778,
+   722,  278,  500,  667,  556,  833,  722,  778,
+   667,  778,  722,  667,  611,  722,  667,  944,
+   667,  667,  611,  278,  278,  278,  469,  556,
+   222,  556,  556,  500,  556,  556,  278,  556,
+   556,  222,  222,  500,  222,  833,  556,  556,
+   556,  556,  333,  500,  278,  556,  500,  722,
+   500,  500,  500,  334,  260,  334,  584,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  333,  556,  556,  167,  556,  556,  556,
+   556,  191,  333,  556,  333,  333,  500,  500,
+     0,  556,  556,  556,  278,    0,  537,  350,
+   222,  333,  333,  556, 1000, 1000,    0,  611,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0, 1000,    0,  370,    0,    0,    0,    0,
+   556,  778, 1000,  365,    0,    0,    0,    0,
+     0,  889,    0,    0,    0,  278,    0,    0,
+   222,  611,  944,  611,    0,    0,    0,    0,
+   667,  667,  667,  667,  667,  667,  722,  667,
+   667,  667,  667,  722,  278,  278,  278,  278,
+   722,  778,  778,  778,  778,  778,  667,  667,
+   722,  722,  722,  722,  667,  667,  611,  556,
+   556,  556,  556,  556,  556,  260,  500,  737,
+   400,  584,  556,  556,  556,  556,  556,  278,
+   278,  278,  278,  584,  584,  556,  584,  556,
+   556,  556,  556,  556,  834,  834,  333,  556,
+   584,  737,  500,  556,  834,  333, 1000,  333,
+   556,  556,  556,  556,  500,  500,  500
+};
+
+static Gushort helveticaBoldWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   278,  333,  474,  556,  556,  889,  722,  278,
+   333,  333,  389,  584,  278,  333,  278,  278,
+   556,  556,  556,  556,  556,  556,  556,  556,
+   556,  556,  333,  333,  584,  584,  584,  611,
+   975,  722,  722,  722,  722,  667,  611,  778,
+   722,  278,  556,  722,  611,  833,  722,  778,
+   667,  778,  722,  667,  611,  722,  667,  944,
+   667,  667,  611,  333,  278,  333,  584,  556,
+   278,  556,  611,  556,  611,  556,  333,  611,
+   611,  278,  278,  556,  278,  889,  611,  611,
+   611,  611,  389,  556,  333,  611,  556,  778,
+   556,  556,  500,  389,  280,  389,  584,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  333,  556,  556,  167,  556,  556,  556,
+   556,  238,  500,  556,  333,  333,  611,  611,
+     0,  556,  556,  556,  278,    0,  556,  350,
+   278,  500,  500,  556, 1000, 1000,    0,  611,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0, 1000,    0,  370,    0,    0,    0,    0,
+   611,  778, 1000,  365,    0,    0,    0,    0,
+     0,  889,    0,    0,    0,  278,    0,    0,
+   278,  611,  944,  611,    0,    0,    0,    0,
+   722,  722,  722,  722,  722,  722,  722,  667,
+   667,  667,  667,  722,  278,  278,  278,  278,
+   722,  778,  778,  778,  778,  778,  667,  667,
+   722,  722,  722,  722,  667,  667,  611,  556,
+   556,  556,  556,  556,  556,  280,  556,  737,
+   400,  584,  556,  556,  556,  556,  611,  278,
+   278,  278,  278,  584,  584,  611,  584,  611,
+   611,  611,  611,  611,  834,  834,  333,  611,
+   584,  737,  556,  611,  834,  333, 1000,  333,
+   611,  611,  611,  611,  556,  556,  500
+};
+
+static Gushort helveticaBoldObliqueWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   278,  333,  474,  556,  556,  889,  722,  278,
+   333,  333,  389,  584,  278,  333,  278,  278,
+   556,  556,  556,  556,  556,  556,  556,  556,
+   556,  556,  333,  333,  584,  584,  584,  611,
+   975,  722,  722,  722,  722,  667,  611,  778,
+   722,  278,  556,  722,  611,  833,  722,  778,
+   667,  778,  722,  667,  611,  722,  667,  944,
+   667,  667,  611,  333,  278,  333,  584,  556,
+   278,  556,  611,  556,  611,  556,  333,  611,
+   611,  278,  278,  556,  278,  889,  611,  611,
+   611,  611,  389,  556,  333,  611,  556,  778,
+   556,  556,  500,  389,  280,  389,  584,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  333,  556,  556,  167,  556,  556,  556,
+   556,  238,  500,  556,  333,  333,  611,  611,
+     0,  556,  556,  556,  278,    0,  556,  350,
+   278,  500,  500,  556, 1000, 1000,    0,  611,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0, 1000,    0,  370,    0,    0,    0,    0,
+   611,  778, 1000,  365,    0,    0,    0,    0,
+     0,  889,    0,    0,    0,  278,    0,    0,
+   278,  611,  944,  611,    0,    0,    0,    0,
+   722,  722,  722,  722,  722,  722,  722,  667,
+   667,  667,  667,  722,  278,  278,  278,  278,
+   722,  778,  778,  778,  778,  778,  667,  667,
+   722,  722,  722,  722,  667,  667,  611,  556,
+   556,  556,  556,  556,  556,  280,  556,  737,
+   400,  584,  556,  556,  556,  556,  611,  278,
+   278,  278,  278,  584,  584,  611,  584,  611,
+   611,  611,  611,  611,  834,  834,  333,  611,
+   584,  737,  556,  611,  834,  333, 1000,  333,
+   611,  611,  611,  611,  556,  556,  500
+};
+
+static Gushort helveticaObliqueWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   278,  278,  355,  556,  556,  889,  667,  222,
+   333,  333,  389,  584,  278,  333,  278,  278,
+   556,  556,  556,  556,  556,  556,  556,  556,
+   556,  556,  278,  278,  584,  584,  584,  556,
+  1015,  667,  667,  722,  722,  667,  611,  778,
+   722,  278,  500,  667,  556,  833,  722,  778,
+   667,  778,  722,  667,  611,  722,  667,  944,
+   667,  667,  611,  278,  278,  278,  469,  556,
+   222,  556,  556,  500,  556,  556,  278,  556,
+   556,  222,  222,  500,  222,  833,  556,  556,
+   556,  556,  333,  500,  278,  556,  500,  722,
+   500,  500,  500,  334,  260,  334,  584,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  333,  556,  556,  167,  556,  556,  556,
+   556,  191,  333,  556,  333,  333,  500,  500,
+     0,  556,  556,  556,  278,    0,  537,  350,
+   222,  333,  333,  556, 1000, 1000,    0,  611,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0, 1000,    0,  370,    0,    0,    0,    0,
+   556,  778, 1000,  365,    0,    0,    0,    0,
+     0,  889,    0,    0,    0,  278,    0,    0,
+   222,  611,  944,  611,    0,    0,    0,    0,
+   667,  667,  667,  667,  667,  667,  722,  667,
+   667,  667,  667,  722,  278,  278,  278,  278,
+   722,  778,  778,  778,  778,  778,  667,  667,
+   722,  722,  722,  722,  667,  667,  611,  556,
+   556,  556,  556,  556,  556,  260,  500,  737,
+   400,  584,  556,  556,  556,  556,  556,  278,
+   278,  278,  278,  584,  584,  556,  584,  556,
+   556,  556,  556,  556,  834,  834,  333,  556,
+   584,  737,  500,  556,  834,  333, 1000,  333,
+   556,  556,  556,  556,  500,  500,  500
+};
+
+static Gushort symbolWidths[257] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   250,  333,  713,  500,  549,  833,  778,  439,
+   333,  333,  500,  549,  250,  549,  250,  278,
+   500,  500,  500,  500,  500,  500,  500,  500,
+   500,  500,  278,  278,  549,  549,  549,  444,
+   549,  722,  667,  722,  612,  611,  763,  603,
+   722,  333,  631,  722,  686,  889,  722,  722,
+   768,  741,  556,  592,  611,  690,  439,  768,
+   645,  795,  611,  333,  863,  333,  658,  500,
+   500,  631,  549,  549,  494,  439,  521,  411,
+   603,  329,  603,  549,  549,  576,  521,  549,
+   549,  521,  549,  603,  439,  576,  713,  686,
+   493,  686,  494,  480,  200,  480,  549,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  620,  247,  549,  167,  713,  500,  753,
+   753,  753,  753, 1042,  987,  603,  987,  603,
+   400,  549,  411,  549,  549,  713,  494,  460,
+   549,  549,  549,  549, 1000,  603, 1000,  658,
+   823,  686,  795,  987,  768,  768,  823,  768,
+   768,  713,  713,  713,  713,  713,  713,  713,
+   768,  713,  790,  790,  890,  823,  549,  250,
+   713,  603,  603, 1042,  987,  603,  987,  603,
+   494,  329,  790,  790,  786,  713,  384,  384,
+   384,  384,  384,  384,  494,  494,  494,  494,
+     0,  329,  274,  686,  686,  686,  384,  384,
+   384,  384,  384,  384,  494,  494,  494,    0,
+   790
+};
+
+static Gushort timesBoldWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   250,  333,  555,  500,  500, 1000,  833,  333,
+   333,  333,  500,  570,  250,  333,  250,  278,
+   500,  500,  500,  500,  500,  500,  500,  500,
+   500,  500,  333,  333,  570,  570,  570,  500,
+   930,  722,  667,  722,  722,  667,  611,  778,
+   778,  389,  500,  778,  667,  944,  722,  778,
+   611,  778,  722,  556,  667,  722,  722, 1000,
+   722,  722,  667,  333,  278,  333,  581,  500,
+   333,  500,  556,  444,  556,  444,  333,  500,
+   556,  278,  333,  556,  278,  833,  556,  500,
+   556,  556,  444,  389,  333,  556,  500,  722,
+   500,  500,  444,  394,  220,  394,  520,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  333,  500,  500,  167,  500,  500,  500,
+   500,  278,  500,  500,  333,  333,  556,  556,
+     0,  500,  500,  500,  250,    0,  540,  350,
+   333,  500,  500,  500, 1000, 1000,    0,  500,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0, 1000,    0,  300,    0,    0,    0,    0,
+   667,  778, 1000,  330,    0,    0,    0,    0,
+     0,  722,    0,    0,    0,  278,    0,    0,
+   278,  500,  722,  556,    0,    0,    0,    0,
+   722,  722,  722,  722,  722,  722,  722,  667,
+   667,  667,  667,  722,  389,  389,  389,  389,
+   722,  778,  778,  778,  778,  778,  556,  611,
+   722,  722,  722,  722,  722,  722,  667,  500,
+   500,  500,  500,  500,  500,  220,  444,  747,
+   400,  570,  444,  444,  444,  444,  500,  278,
+   278,  278,  278,  570,  570,  556,  570,  556,
+   500,  500,  500,  500,  750,  750,  300,  500,
+   570,  747,  389,  556,  750,  300, 1000,  300,
+   556,  556,  556,  556,  500,  500,  444
+};
+
+static Gushort timesBoldItalicWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   250,  389,  555,  500,  500,  833,  778,  333,
+   333,  333,  500,  570,  250,  333,  250,  278,
+   500,  500,  500,  500,  500,  500,  500,  500,
+   500,  500,  333,  333,  570,  570,  570,  500,
+   832,  667,  667,  667,  722,  667,  667,  722,
+   778,  389,  500,  667,  611,  889,  722,  722,
+   611,  722,  667,  556,  611,  722,  667,  889,
+   667,  611,  611,  333,  278,  333,  570,  500,
+   333,  500,  500,  444,  500,  444,  333,  500,
+   556,  278,  278,  500,  278,  778,  556,  500,
+   500,  500,  389,  389,  278,  556,  444,  667,
+   500,  444,  389,  348,  220,  348,  570,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  389,  500,  500,  167,  500,  500,  500,
+   500,  278,  500,  500,  333,  333,  556,  556,
+     0,  500,  500,  500,  250,    0,  500,  350,
+   333,  500,  500,  500, 1000, 1000,    0,  500,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  944,    0,  266,    0,    0,    0,    0,
+   611,  722,  944,  300,    0,    0,    0,    0,
+     0,  722,    0,    0,    0,  278,    0,    0,
+   278,  500,  722,  500,    0,    0,    0,    0,
+   667,  667,  667,  667,  667,  667,  667,  667,
+   667,  667,  667,  722,  389,  389,  389,  389,
+   722,  722,  722,  722,  722,  722,  556,  611,
+   722,  722,  722,  722,  611,  611,  611,  500,
+   500,  500,  500,  500,  500,  220,  444,  747,
+   400,  570,  444,  444,  444,  444,  500,  278,
+   278,  278,  278,  606,  606,  576,  570,  556,
+   500,  500,  500,  500,  750,  750,  300,  500,
+   570,  747,  389,  500,  750,  300, 1000,  300,
+   556,  556,  556,  556,  444,  444,  389
+};
+
+static Gushort timesItalicWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   250,  333,  420,  500,  500,  833,  778,  333,
+   333,  333,  500,  675,  250,  333,  250,  278,
+   500,  500,  500,  500,  500,  500,  500,  500,
+   500,  500,  333,  333,  675,  675,  675,  500,
+   920,  611,  611,  667,  722,  611,  611,  722,
+   722,  333,  444,  667,  556,  833,  667,  722,
+   611,  722,  611,  500,  556,  722,  611,  833,
+   611,  556,  556,  389,  278,  389,  422,  500,
+   333,  500,  500,  444,  500,  444,  278,  500,
+   500,  278,  278,  444,  278,  722,  500,  500,
+   500,  500,  389,  389,  278,  500,  444,  667,
+   444,  444,  389,  400,  275,  400,  541,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  389,  500,  500,  167,  500,  500,  500,
+   500,  214,  556,  500,  333,  333,  500,  500,
+     0,  500,  500,  500,  250,    0,  523,  350,
+   333,  556,  556,  500,  889, 1000,    0,  500,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+   889,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  889,    0,  276,    0,    0,    0,    0,
+   556,  722,  944,  310,    0,    0,    0,    0,
+     0,  667,    0,    0,    0,  278,    0,    0,
+   278,  500,  667,  500,    0,    0,    0,    0,
+   611,  611,  611,  611,  611,  611,  667,  611,
+   611,  611,  611,  722,  333,  333,  333,  333,
+   667,  722,  722,  722,  722,  722,  500,  611,
+   722,  722,  722,  722,  556,  556,  556,  500,
+   500,  500,  500,  500,  500,  275,  444,  760,
+   400,  675,  444,  444,  444,  444,  500,  278,
+   278,  278,  278,  675,  675,  500,  675,  500,
+   500,  500,  500,  500,  750,  750,  300,  500,
+   675,  760,  389,  500,  750,  300,  980,  300,
+   500,  500,  500,  500,  444,  444,  389
+};
+
+static Gushort timesRomanWidths[335] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   250,  333,  408,  500,  500,  833,  778,  333,
+   333,  333,  500,  564,  250,  333,  250,  278,
+   500,  500,  500,  500,  500,  500,  500,  500,
+   500,  500,  278,  278,  564,  564,  564,  444,
+   921,  722,  667,  667,  722,  611,  556,  722,
+   722,  333,  389,  722,  611,  889,  722,  722,
+   556,  722,  667,  556,  611,  722,  722,  944,
+   722,  722,  611,  333,  278,  333,  469,  500,
+   333,  444,  500,  444,  500,  444,  333,  500,
+   500,  278,  278,  500,  278,  778,  500,  500,
+   500,  500,  333,  389,  278,  500,  500,  722,
+   500,  500,  444,  480,  200,  480,  541,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  333,  500,  500,  167,  500,  500,  500,
+   500,  180,  444,  500,  333,  333,  556,  556,
+     0,  500,  500,  500,  250,    0,  453,  350,
+   333,  444,  444,  500, 1000, 1000,    0,  444,
+     0,  333,  333,  333,  333,  333,  333,  333,
+   333,    0,  333,  333,    0,  333,  333,  333,
+  1000,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  889,    0,  276,    0,    0,    0,    0,
+   611,  722,  889,  310,    0,    0,    0,    0,
+     0,  667,    0,    0,    0,  278,    0,    0,
+   278,  500,  722,  500,    0,    0,    0,    0,
+   722,  722,  722,  722,  722,  722,  667,  611,
+   611,  611,  611,  722,  333,  333,  333,  333,
+   722,  722,  722,  722,  722,  722,  556,  556,
+   722,  722,  722,  722,  722,  722,  611,  444,
+   444,  444,  444,  444,  444,  200,  444,  760,
+   400,  564,  444,  444,  444,  444,  500,  278,
+   278,  278,  278,  564,  564,  500,  564,  500,
+   500,  500,  500,  500,  750,  750,  300,  500,
+   564,  760,  389,  500,  750,  300,  980,  300,
+   500,  500,  500,  500,  500,  500,  444
+};
+
+static Gushort zapfDingbatsWidths[270] = {
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+   278,  974,  961,  974,  980,  719,  789,  790,
+   791,  690,  960,  939,  549,  855,  911,  933,
+   911,  945,  974,  755,  846,  762,  761,  571,
+   677,  763,  760,  759,  754,  494,  552,  537,
+   577,  692,  786,  788,  788,  790,  793,  794,
+   816,  823,  789,  841,  823,  833,  816,  831,
+   923,  744,  723,  749,  790,  792,  695,  776,
+   768,  792,  759,  707,  708,  682,  701,  826,
+   815,  789,  789,  707,  687,  696,  689,  786,
+   787,  713,  791,  785,  791,  873,  761,  762,
+   762,  759,  759,  892,  892,  788,  784,  438,
+   138,  277,  415,  392,  392,  668,  668,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,    0,    0,    0,    0,    0,    0,    0,
+     0,  732,  544,  544,  910,  667,  760,  760,
+   776,  595,  694,  626,  788,  788,  788,  788,
+   788,  788,  788,  788,  788,  788,  788,  788,
+   788,  788,  788,  788,  788,  788,  788,  788,
+   788,  788,  788,  788,  788,  788,  788,  788,
+   788,  788,  788,  788,  788,  788,  788,  788,
+   788,  788,  788,  788,  894,  838, 1016,  458,
+   748,  924,  748,  918,  927,  928,  928,  834,
+   873,  828,  924,  924,  917,  930,  931,  463,
+   883,  836,  836,  867,  867,  696,  696,  874,
+     0,  874,  760,  946,  771,  865,  771,  888,
+   967,  888,  831,  873,  927,  970,  918,    0,
+   509,  410,  509,  410,  234,  234,  390,  390,
+   276,  276,  317,  317,  334,  334
+};
+
+//------------------------------------------------------------------------
+// Built-in font table.
+//------------------------------------------------------------------------
+
+struct BuiltinFont {
+  char *name;
+  Gushort *widths;
+  FontEncoding *encoding;
+  short ascent;
+  short descent;
+};
+
+#define numBuiltinFonts ((int)(sizeof(builtinFonts)/sizeof(BuiltinFont)))
+
+static BuiltinFont builtinFonts[] = {
+  {"Courier",               courierWidths,              &standardEncoding,       624,  -207},
+  {"Courier-Bold",          courierBoldWidths,          &standardEncoding,       674,  -257},
+  {"Courier-BoldOblique",   courierBoldObliqueWidths,   &standardEncoding,       674,  -257},
+  {"Courier-Oblique",       courierObliqueWidths,       &standardEncoding,       624,  -207},
+  {"Helvetica",             helveticaWidths,            &standardEncoding,       729,  -219},
+  {"Helvetica-Bold",        helveticaBoldWidths,        &standardEncoding,       729,  -219},
+  {"Helvetica-BoldOblique", helveticaBoldObliqueWidths, &standardEncoding,       729,  -219},
+  {"Helvetica-Oblique",     helveticaObliqueWidths,     &standardEncoding,       729,  -219},
+  {"Symbol",                symbolWidths,               &symbolEncoding,        1010,  -293},
+  {"Times-Bold",            timesBoldWidths,            &standardEncoding,       670,  -210},
+  {"Times-BoldItalic",      timesBoldItalicWidths,      &standardEncoding,       682,  -203},
+  {"Times-Italic",          timesItalicWidths,          &standardEncoding,       684,  -206},
+  {"Times-Roman",           timesRomanWidths,           &standardEncoding,       682,  -217},
+  {"ZapfDingbats",          zapfDingbatsWidths,         &zapfDingbatsEncoding,   820,  -143}
+};
+
+#endif
diff --git a/pdftops/FormWidget.cxx b/pdftops/FormWidget.cxx
new file mode 100644
index 000000000..a9f8c0693
--- /dev/null
+++ b/pdftops/FormWidget.cxx
@@ -0,0 +1,130 @@
+//========================================================================
+//
+// FormWidget.cc
+//
+// Copyright 2000 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include "gmem.h"
+#include "Object.h"
+#include "Gfx.h"
+#include "FormWidget.h"
+
+//------------------------------------------------------------------------
+// FormWidget
+//------------------------------------------------------------------------
+
+FormWidget::FormWidget(XRef *xrefA, Dict *dict) {
+  Object obj1, obj2;
+  double t;
+
+  ok = gFalse;
+  xref = xrefA;
+
+  if (dict->lookup("AP", &obj1)->isDict()) {
+    obj1.dictLookupNF("N", &obj2);
+    //~ this doesn't handle appearances with multiple states --
+    //~ need to look at AS key to get state and then get the
+    //~ corresponding entry from the N dict
+    if (obj2.isRef()) {
+      obj2.copy(&appearance);
+      ok = gTrue;
+    }
+    obj2.free();
+  }
+  obj1.free();
+
+  if (dict->lookup("Rect", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 4) {
+    //~ should check object types here
+    obj1.arrayGet(0, &obj2);
+    xMin = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    yMin = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    xMax = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    yMax = obj2.getNum();
+    obj2.free();
+    if (xMin > xMax) {
+      t = xMin; xMin = xMax; xMax = t;
+    }
+    if (yMin > yMax) {
+      t = yMin; yMin = yMax; yMax = t;
+    }
+  } else {
+    //~ this should return an error
+    xMin = yMin = 0;
+    xMax = yMax = 1;
+  }
+  obj1.free();
+}
+
+FormWidget::~FormWidget() {
+  appearance.free();
+}
+
+void FormWidget::draw(Gfx *gfx) {
+  Object obj;
+
+  if (appearance.fetch(xref, &obj)->isStream()) {
+    gfx->doWidgetForm(&obj, xMin, yMin, xMax, yMax);
+  }
+  obj.free();
+}
+
+//------------------------------------------------------------------------
+// FormWidgets
+//------------------------------------------------------------------------
+
+FormWidgets::FormWidgets(XRef *xref, Object *annots) {
+  FormWidget *widget;
+  Object obj1, obj2;
+  int size;
+  int i;
+
+  widgets = NULL;
+  size = 0;
+  nWidgets = 0;
+
+  if (annots->isArray()) {
+    for (i = 0; i < annots->arrayGetLength(); ++i) {
+      if (annots->arrayGet(i, &obj1)->isDict()) {
+	obj1.dictLookup("Subtype", &obj2);
+	if (obj2.isName("Widget") ||
+	    obj2.isName("Stamp")) {
+	  widget = new FormWidget(xref, obj1.getDict());
+	  if (widget->isOk()) {
+	    if (nWidgets >= size) {
+	      size += 16;
+	      widgets = (FormWidget **)grealloc(widgets,
+						size * sizeof(FormWidget *));
+	    }
+	    widgets[nWidgets++] = widget;
+	  } else {
+	    delete widget;
+	  }
+	}
+	obj2.free();
+      }
+      obj1.free();
+    }
+  }
+}
+
+FormWidgets::~FormWidgets() {
+  int i;
+
+  for (i = 0; i < nWidgets; ++i) {
+    delete widgets[i];
+  }
+  gfree(widgets);
+}
diff --git a/pdftops/FormWidget.h b/pdftops/FormWidget.h
new file mode 100644
index 000000000..c14421e81
--- /dev/null
+++ b/pdftops/FormWidget.h
@@ -0,0 +1,67 @@
+//========================================================================
+//
+// FormWidget.h
+//
+// Copyright 2000 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef FORMWIDGET_H
+#define FORMWIDGET_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+class XRef;
+class Gfx;
+
+//------------------------------------------------------------------------
+// FormWidget
+//------------------------------------------------------------------------
+
+class FormWidget {
+public:
+
+  FormWidget(XRef *xrefA, Dict *dict);
+  ~FormWidget();
+  GBool isOk() { return ok; }
+
+  void draw(Gfx *gfx);
+
+  // Get appearance object.
+  Object *getAppearance(Object *obj) { return appearance.fetch(xref, obj); }
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  Object appearance;		// a reference to the Form XObject stream
+				//   for the normal appearance
+  double xMin, yMin,		// widget rectangle
+         xMax, yMax;
+  GBool ok;
+};
+
+//------------------------------------------------------------------------
+// FormWidgets
+//------------------------------------------------------------------------
+
+class FormWidgets {
+public:
+
+  // Extract widgets from array of annotations.
+  FormWidgets(XRef *xref, Object *annots);
+
+  ~FormWidgets();
+
+  // Iterate through list of widgets.
+  int getNumWidgets() { return nWidgets; }
+  FormWidget *getWidget(int i) { return widgets[i]; }
+
+private:
+
+  FormWidget **widgets;
+  int nWidgets;
+};
+
+#endif
diff --git a/pdftops/Function.cxx b/pdftops/Function.cxx
new file mode 100644
index 000000000..d52088808
--- /dev/null
+++ b/pdftops/Function.cxx
@@ -0,0 +1,1373 @@
+//========================================================================
+//
+// Function.cc
+//
+// Copyright 2001 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+#include "gmem.h"
+#include "Object.h"
+#include "Dict.h"
+#include "Stream.h"
+#include "Error.h"
+#include "Function.h"
+
+//------------------------------------------------------------------------
+// Function
+//------------------------------------------------------------------------
+
+Function::Function() {
+}
+
+Function::~Function() {
+}
+
+Function *Function::parse(Object *funcObj) {
+  Function *func;
+  Dict *dict;
+  int funcType;
+  Object obj1;
+
+  if (funcObj->isStream()) {
+    dict = funcObj->streamGetDict();
+  } else if (funcObj->isDict()) {
+    dict = funcObj->getDict();
+  } else if (funcObj->isName("Identity")) {
+    return new IdentityFunction();
+  } else {
+    error(-1, "Expected function dictionary or stream");
+    return NULL;
+  }
+
+  if (!dict->lookup("FunctionType", &obj1)->isInt()) {
+    error(-1, "Function type is missing or wrong type");
+    obj1.free();
+    return NULL;
+  }
+  funcType = obj1.getInt();
+  obj1.free();
+
+  if (funcType == 0) {
+    func = new SampledFunction(funcObj, dict);
+  } else if (funcType == 2) {
+    func = new ExponentialFunction(funcObj, dict);
+  } else if (funcType == 4) {
+    func = new PostScriptFunction(funcObj, dict);
+  } else {
+    error(-1, "Unimplemented function type (%d)", funcType);
+    return NULL;
+  }
+  if (!func->isOk()) {
+    delete func;
+    return NULL;
+  }
+
+  return func;
+}
+
+GBool Function::init(Dict *dict) {
+  Object obj1, obj2;
+  int i;
+
+  //----- Domain
+  if (!dict->lookup("Domain", &obj1)->isArray()) {
+    error(-1, "Function is missing domain");
+    goto err2;
+  }
+  m = obj1.arrayGetLength() / 2;
+  if (m > funcMaxInputs) {
+    error(-1, "Functions with more than %d inputs are unsupported",
+	  funcMaxInputs);
+    goto err2;
+  }
+  for (i = 0; i < m; ++i) {
+    obj1.arrayGet(2*i, &obj2);
+    if (!obj2.isNum()) {
+      error(-1, "Illegal value in function domain array");
+      goto err1;
+    }
+    domain[i][0] = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(2*i+1, &obj2);
+    if (!obj2.isNum()) {
+      error(-1, "Illegal value in function domain array");
+      goto err1;
+    }
+    domain[i][1] = obj2.getNum();
+    obj2.free();
+  }
+  obj1.free();
+
+  //----- Range
+  hasRange = gFalse;
+  n = 0;
+  if (dict->lookup("Range", &obj1)->isArray()) {
+    hasRange = gTrue;
+    n = obj1.arrayGetLength() / 2;
+    if (n > funcMaxOutputs) {
+      error(-1, "Functions with more than %d outputs are unsupported",
+	    funcMaxOutputs);
+      goto err2;
+    }
+    for (i = 0; i < n; ++i) {
+      obj1.arrayGet(2*i, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function range array");
+	goto err1;
+      }
+      range[i][0] = obj2.getNum();
+      obj2.free();
+      obj1.arrayGet(2*i+1, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function range array");
+	goto err1;
+      }
+      range[i][1] = obj2.getNum();
+      obj2.free();
+    }
+  }
+  obj1.free();
+
+  return gTrue;
+
+ err1:
+  obj2.free();
+ err2:
+  obj1.free();
+  return gFalse;
+}
+
+//------------------------------------------------------------------------
+// IdentityFunction
+//------------------------------------------------------------------------
+
+IdentityFunction::IdentityFunction() {
+  int i;
+
+  // fill these in with arbitrary values just in case they get used
+  // somewhere
+  m = funcMaxInputs;
+  n = funcMaxOutputs;
+  for (i = 0; i < funcMaxInputs; ++i) {
+    domain[i][0] = 0;
+    domain[i][1] = 1;
+  }
+  hasRange = gFalse;
+}
+
+IdentityFunction::~IdentityFunction() {
+}
+
+void IdentityFunction::transform(double *in, double *out) {
+  int i;
+
+  for (i = 0; i < funcMaxOutputs; ++i) {
+    out[i] = in[i];
+  }
+}
+
+//------------------------------------------------------------------------
+// SampledFunction
+//------------------------------------------------------------------------
+
+SampledFunction::SampledFunction(Object *funcObj, Dict *dict) {
+  Stream *str;
+  int nSamples, sampleBits;
+  double sampleMul;
+  Object obj1, obj2;
+  Guint buf, bitMask;
+  int bits;
+  int s;
+  int i;
+
+  samples = NULL;
+  ok = gFalse;
+
+  //----- initialize the generic stuff
+  if (!init(dict)) {
+    goto err1;
+  }
+  if (!hasRange) {
+    error(-1, "Type 0 function is missing range");
+    goto err1;
+  }
+
+  //----- get the stream
+  if (!funcObj->isStream()) {
+    error(-1, "Type 0 function isn't a stream");
+    goto err1;
+  }
+  str = funcObj->getStream();
+
+  //----- Size
+  if (!dict->lookup("Size", &obj1)->isArray() ||
+      obj1.arrayGetLength() != m) {
+    error(-1, "Function has missing or invalid size array");
+    goto err2;
+  }
+  for (i = 0; i < m; ++i) {
+    obj1.arrayGet(i, &obj2);
+    if (!obj2.isInt()) {
+      error(-1, "Illegal value in function size array");
+      goto err3;
+    }
+    sampleSize[i] = obj2.getInt();
+    obj2.free();
+  }
+  obj1.free();
+
+  //----- BitsPerSample
+  if (!dict->lookup("BitsPerSample", &obj1)->isInt()) {
+    error(-1, "Function has missing or invalid BitsPerSample");
+    goto err2;
+  }
+  sampleBits = obj1.getInt();
+  sampleMul = 1.0 / (double)((1 << sampleBits) - 1);
+  obj1.free();
+
+  //----- Encode
+  if (dict->lookup("Encode", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 2*m) {
+    for (i = 0; i < m; ++i) {
+      obj1.arrayGet(2*i, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function encode array");
+	goto err3;
+      }
+      encode[i][0] = obj2.getNum();
+      obj2.free();
+      obj1.arrayGet(2*i+1, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function encode array");
+	goto err3;
+      }
+      encode[i][1] = obj2.getNum();
+      obj2.free();
+    }
+  } else {
+    for (i = 0; i < m; ++i) {
+      encode[i][0] = 0;
+      encode[i][1] = sampleSize[i] - 1;
+    }
+  }
+  obj1.free();
+
+  //----- Decode
+  if (dict->lookup("Decode", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 2*n) {
+    for (i = 0; i < n; ++i) {
+      obj1.arrayGet(2*i, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function decode array");
+	goto err3;
+      }
+      decode[i][0] = obj2.getNum();
+      obj2.free();
+      obj1.arrayGet(2*i+1, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function decode array");
+	goto err3;
+      }
+      decode[i][1] = obj2.getNum();
+      obj2.free();
+    }
+  } else {
+    for (i = 0; i < n; ++i) {
+      decode[i][0] = range[i][0];
+      decode[i][1] = range[i][1];
+    }
+  }
+  obj1.free();
+
+  //----- samples
+  nSamples = n;
+  for (i = 0; i < m; ++i)
+    nSamples *= sampleSize[i];
+  samples = (double *)gmalloc(nSamples * sizeof(double));
+  buf = 0;
+  bits = 0;
+  bitMask = (1 << sampleBits) - 1;
+  str->reset();
+  for (i = 0; i < nSamples; ++i) {
+    if (sampleBits == 8) {
+      s = str->getChar();
+    } else if (sampleBits == 16) {
+      s = str->getChar();
+      s = (s << 8) + str->getChar();
+    } else if (sampleBits == 32) {
+      s = str->getChar();
+      s = (s << 8) + str->getChar();
+      s = (s << 8) + str->getChar();
+      s = (s << 8) + str->getChar();
+    } else {
+      while (bits < sampleBits) {
+	buf = (buf << 8) | (str->getChar() & 0xff);
+	bits += 8;
+      }
+      s = (buf >> (bits - sampleBits)) & bitMask;
+      bits -= sampleBits;
+    }
+    samples[i] = (double)s * sampleMul;
+  }
+  str->close();
+
+  ok = gTrue;
+  return;
+
+ err3:
+  obj2.free();
+ err2:
+  obj1.free();
+ err1:
+  return;
+}
+
+SampledFunction::~SampledFunction() {
+  if (samples) {
+    gfree(samples);
+  }
+}
+
+SampledFunction::SampledFunction(SampledFunction *func) {
+  int nSamples, i;
+
+  memcpy(this, func, sizeof(SampledFunction));
+
+  nSamples = n;
+  for (i = 0; i < m; ++i) {
+    nSamples *= sampleSize[i];
+  }
+  samples = (double *)gmalloc(nSamples * sizeof(double));
+  memcpy(samples, func->samples, nSamples * sizeof(double));
+}
+
+void SampledFunction::transform(double *in, double *out) {
+  double x;
+  int e[2][funcMaxInputs];
+  double efrac[funcMaxInputs];
+  double s0[1 << funcMaxInputs], s1[1 << funcMaxInputs];
+  int i, j, k, idx;
+
+  // map input values into sample array
+  for (i = 0; i < m; ++i) {
+    x = ((in[i] - domain[i][0]) / (domain[i][1] - domain[i][0])) *
+        (encode[i][1] - encode[i][0]) + encode[i][0];
+    if (x < 0) {
+      x = 0;
+    } else if (x > sampleSize[i] - 1) {
+      x = sampleSize[i] - 1;
+    }
+    e[0][i] = (int)floor(x);
+    e[1][i] = (int)ceil(x);
+    efrac[i] = x - e[0][i];
+  }
+
+  // for each output, do m-linear interpolation
+  for (i = 0; i < n; ++i) {
+
+    // pull 2^m values out of the sample array
+    for (j = 0; j < (1<<m); ++j) {
+      idx = e[j & 1][m - 1];
+      for (k = m - 2; k >= 0; --k) {
+	idx = idx * sampleSize[k] + e[(j >> k) & 1][k];
+      }
+      idx = idx * n + i;
+      s0[j] = samples[idx];
+    }
+
+    // do m sets of interpolations
+    for (j = 0; j < m; ++j) {
+      for (k = 0; k < (1 << (m - j)); k += 2) {
+	s1[k >> 1] = (1 - efrac[j]) * s0[k] + efrac[j] * s0[k+1];
+      }
+      memcpy(s0, s1, (1 << (m - j - 1)) * sizeof(double));
+    }
+
+    // map output value to range
+    out[i] = s0[0] * (decode[i][1] - decode[i][0]) + decode[i][0];
+    if (out[i] < range[i][0]) {
+      out[i] = range[i][0];
+    } else if (out[i] > range[i][1]) {
+      out[i] = range[i][1];
+    }
+  }
+}
+
+//------------------------------------------------------------------------
+// ExponentialFunction
+//------------------------------------------------------------------------
+
+ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) {
+  Object obj1, obj2;
+  GBool hasN;
+  int i;
+
+  ok = gFalse;
+  hasN = gFalse;
+
+  //----- initialize the generic stuff
+  if (!init(dict)) {
+    goto err1;
+  }
+  if (m != 1) {
+    error(-1, "Exponential function with more than one input");
+    goto err1;
+  }
+
+  //----- default values
+  for (i = 0; i < funcMaxOutputs; ++i) {
+    c0[i] = 0;
+    c1[i] = 1;
+  }
+
+  //----- C0
+  if (dict->lookup("C0", &obj1)->isArray()) {
+    if (!hasN) {
+      n = obj1.arrayGetLength();
+    } else if (obj1.arrayGetLength() != n) {
+      error(-1, "Function's C0 array is wrong length");
+      goto err2;
+    }
+    for (i = 0; i < n; ++i) {
+      obj1.arrayGet(i, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function C0 array");
+	goto err3;
+      }
+      c0[i] = obj2.getNum();
+      obj2.free();
+    }
+  }
+  obj1.free();
+
+  //----- C1
+  if (dict->lookup("C1", &obj1)->isArray()) {
+    if (!hasN) {
+      n = obj1.arrayGetLength();
+    } else if (obj1.arrayGetLength() != n) {
+      error(-1, "Function's C1 array is wrong length");
+      goto err2;
+    }
+    for (i = 0; i < n; ++i) {
+      obj1.arrayGet(i, &obj2);
+      if (!obj2.isNum()) {
+	error(-1, "Illegal value in function C1 array");
+	goto err3;
+      }
+      c1[i] = obj2.getNum();
+      obj2.free();
+    }
+  }
+  obj1.free();
+
+  //----- N (exponent)
+  if (!dict->lookup("N", &obj1)->isNum()) {
+    error(-1, "Function has missing or invalid N");
+    goto err2;
+  }
+  e = obj1.getNum();
+  obj1.free();
+
+  ok = gTrue;
+  return;
+
+ err3:
+  obj2.free();
+ err2:
+  obj1.free();
+ err1:
+  return;
+}
+
+ExponentialFunction::~ExponentialFunction() {
+}
+
+ExponentialFunction::ExponentialFunction(ExponentialFunction *func) {
+  memcpy(this, func, sizeof(ExponentialFunction));
+}
+
+void ExponentialFunction::transform(double *in, double *out) {
+  double x;
+  int i;
+
+  if (in[0] < domain[0][0]) {
+    x = domain[0][0];
+  } else if (in[0] > domain[0][1]) {
+    x = domain[0][1];
+  } else {
+    x = in[0];
+  }
+  for (i = 0; i < n; ++i) {
+    out[i] = c0[i] + pow(x, e) * (c1[i] - c0[i]);
+    if (hasRange) {
+      if (out[i] < range[i][0]) {
+	out[i] = range[i][0];
+      } else if (out[i] > range[i][1]) {
+	out[i] = range[i][1];
+      }
+    }
+  }
+  return;
+}
+
+//------------------------------------------------------------------------
+// PostScriptFunction
+//------------------------------------------------------------------------
+
+enum PSOp {
+  psOpAbs,
+  psOpAdd,
+  psOpAnd,
+  psOpAtan,
+  psOpBitshift,
+  psOpCeiling,
+  psOpCopy,
+  psOpCos,
+  psOpCvi,
+  psOpCvr,
+  psOpDiv,
+  psOpDup,
+  psOpEq,
+  psOpExch,
+  psOpExp,
+  psOpFalse,
+  psOpFloor,
+  psOpGe,
+  psOpGt,
+  psOpIdiv,
+  psOpIndex,
+  psOpLe,
+  psOpLn,
+  psOpLog,
+  psOpLt,
+  psOpMod,
+  psOpMul,
+  psOpNe,
+  psOpNeg,
+  psOpNot,
+  psOpOr,
+  psOpPop,
+  psOpRoll,
+  psOpRound,
+  psOpSin,
+  psOpSqrt,
+  psOpSub,
+  psOpTrue,
+  psOpTruncate,
+  psOpXor,
+  psOpIf,
+  psOpIfelse,
+  psOpReturn
+};
+
+// Note: 'if' and 'ifelse' are parsed separately.
+// The rest are listed here in alphabetical order.
+// The index in this table is equivalent to the entry in PSOp.
+char *psOpNames[] = {
+  "abs",
+  "add",
+  "and",
+  "atan",
+  "bitshift",
+  "ceiling",
+  "copy",
+  "cos",
+  "cvi",
+  "cvr",
+  "div",
+  "dup",
+  "eq",
+  "exch",
+  "exp",
+  "false",
+  "floor",
+  "ge",
+  "gt",
+  "idiv",
+  "index",
+  "le",
+  "ln",
+  "log",
+  "lt",
+  "mod",
+  "mul",
+  "ne",
+  "neg",
+  "not",
+  "or",
+  "pop",
+  "roll",
+  "round",
+  "sin",
+  "sqrt",
+  "sub",
+  "true",
+  "truncate",
+  "xor"
+};
+
+#define nPSOps (sizeof(psOpNames) / sizeof(char *))
+
+enum PSObjectType {
+  psBool,
+  psInt,
+  psReal,
+  psOperator,
+  psBlock
+};
+
+// In the code array, 'if'/'ifelse' operators take up three slots
+// plus space for the code in the subclause(s).
+//
+//         +---------------------------------+
+//         | psOperator: psOpIf / psOpIfelse |
+//         +---------------------------------+
+//         | psBlock: ptr=<A>                |
+//         +---------------------------------+
+//         | psBlock: ptr=<B>                |
+//         +---------------------------------+
+//         | if clause                       |
+//         | ...                             |
+//         | psOperator: psOpReturn          |
+//         +---------------------------------+
+//     <A> | else clause                     |
+//         | ...                             |
+//         | psOperator: psOpReturn          |
+//         +---------------------------------+
+//     <B> | ...                             |
+//
+// For 'if', pointer <A> is present in the code stream but unused.
+
+struct PSObject {
+  PSObjectType type;
+  union {
+    GBool booln;		// boolean (stack only)
+    int intg;			// integer (stack and code)
+    double real;		// real (stack and code)
+    PSOp op;			// operator (code only)
+    int blk;			// if/ifelse block pointer (code only)
+  };
+};
+
+#define psStackSize 100
+
+class PSStack {
+public:
+
+  PSStack() { sp = psStackSize; }
+  void pushBool(GBool booln);
+  void pushInt(int intg);
+  void pushReal(double real);
+  GBool popBool();
+  int popInt();
+  double popNum();
+  GBool empty() { return sp == psStackSize; }
+  GBool topIsInt() { return sp < psStackSize && stack[sp].type == psInt; }
+  GBool topTwoAreInts()
+    { return sp < psStackSize - 1 &&
+	     stack[sp].type == psInt &&
+             stack[sp+1].type == psInt; }
+  GBool topIsReal() { return sp < psStackSize && stack[sp].type == psReal; }
+  GBool topTwoAreNums()
+    { return sp < psStackSize - 1 &&
+	     (stack[sp].type == psInt || stack[sp].type == psReal) &&
+	     (stack[sp+1].type == psInt || stack[sp+1].type == psReal); }
+  void copy(int n);
+  void roll(int n, int j);
+  void index(int i);
+  void pop();
+
+private:
+
+  GBool checkOverflow(int n = 1);
+  GBool checkUnderflow();
+  GBool checkType(PSObjectType t1, PSObjectType t2);
+
+  PSObject stack[psStackSize];
+  int sp;
+};
+
+GBool PSStack::checkOverflow(int n) {
+  if (sp - n < 0) {
+    error(-1, "Stack overflow in PostScript function");
+    return gFalse;
+  }
+  return gTrue;
+}
+
+GBool PSStack::checkUnderflow() {
+  if (sp == psStackSize) {
+    error(-1, "Stack underflow in PostScript function");
+    return gFalse;
+  }
+  return gTrue;
+}
+
+GBool PSStack::checkType(PSObjectType t1, PSObjectType t2) {
+  if (stack[sp].type != t1 && stack[sp].type != t2) {
+    error(-1, "Type mismatch in PostScript function");
+    return gFalse;
+  }
+  return gTrue;
+}
+
+void PSStack::pushBool(GBool booln) {
+  if (checkOverflow()) {
+    stack[--sp].type = psBool;
+    stack[sp].booln = booln;
+  }
+}
+
+void PSStack::pushInt(int intg) {
+  if (checkOverflow()) {
+    stack[--sp].type = psInt;
+    stack[sp].intg = intg;
+  }
+}
+
+void PSStack::pushReal(double real) {
+  if (checkOverflow()) {
+    stack[--sp].type = psReal;
+    stack[sp].real = real;
+  }
+}
+
+GBool PSStack::popBool() {
+  if (checkUnderflow() && checkType(psBool, psBool)) {
+    return stack[sp++].booln;
+  }
+  return gFalse;
+}
+
+int PSStack::popInt() {
+  if (checkUnderflow() && checkType(psInt, psInt)) {
+    return stack[sp++].intg;
+  }
+  return 0;
+}
+
+double PSStack::popNum() {
+  double ret;
+
+  if (checkUnderflow() && checkType(psInt, psReal)) {
+    ret = (stack[sp].type == psInt) ? (double)stack[sp].intg : stack[sp].real;
+    ++sp;
+    return ret;
+  }
+  return 0;
+}
+
+void PSStack::copy(int n) {
+  int i;
+
+  if (!checkOverflow(n)) {
+    return;
+  }
+  for (i = sp + n - 1; i <= sp; ++i) {
+    stack[i - n] = stack[i];
+  }
+  sp -= n;
+}
+
+void PSStack::roll(int n, int j) {
+  PSObject obj;
+  int i, k;
+
+  if (j >= 0) {
+    j %= n;
+  } else {
+    j = -j % n;
+    if (j != 0) {
+      j = n - j;
+    }
+  }
+  if (n <= 0 || j == 0) {
+    return;
+  }
+  for (i = 0; i < j; ++i) {
+    obj = stack[sp];
+    for (k = sp; k < sp + n - 1; ++k) {
+      stack[k] = stack[k+1];
+    }
+    stack[sp + n - 1] = obj;
+  }
+}
+
+void PSStack::index(int i) {
+  if (!checkOverflow()) {
+    return;
+  }
+  --sp;
+  stack[sp] = stack[sp + 1 + i];
+}
+
+void PSStack::pop() {
+  if (!checkUnderflow()) {
+    return;
+  }
+  ++sp;
+}
+
+PostScriptFunction::PostScriptFunction(Object *funcObj, Dict *dict) {
+  Stream *str;
+  int codePtr;
+  GString *tok;
+
+  code = NULL;
+  codeSize = 0;
+  ok = gFalse;
+
+  //----- initialize the generic stuff
+  if (!init(dict)) {
+    goto err1;
+  }
+  if (!hasRange) {
+    error(-1, "Type 4 function is missing range");
+    goto err1;
+  }
+
+  //----- get the stream
+  if (!funcObj->isStream()) {
+    error(-1, "Type 4 function isn't a stream");
+    goto err1;
+  }
+  str = funcObj->getStream();
+
+  //----- parse the function
+  str->reset();
+  if (!(tok = getToken(str)) || tok->cmp("{")) {
+    error(-1, "Expected '{' at start of PostScript function");
+    if (tok) {
+      delete tok;
+    }
+    goto err1;
+  }
+  delete tok;
+  codePtr = 0;
+  if (!parseCode(str, &codePtr)) {
+    goto err2;
+  }
+  str->close();
+
+  ok = gTrue;
+
+ err2:
+  str->close();
+ err1:
+  return;
+}
+
+PostScriptFunction::PostScriptFunction(PostScriptFunction *func) {
+  memcpy(this, func, sizeof(PostScriptFunction));
+  code = (PSObject *)gmalloc(codeSize * sizeof(PSObject));
+  memcpy(code, func->code, codeSize * sizeof(PSObject));
+}
+
+PostScriptFunction::~PostScriptFunction() {
+  gfree(code);
+}
+
+void PostScriptFunction::transform(double *in, double *out) {
+  PSStack *stack;
+  int i;
+
+  stack = new PSStack();
+  for (i = 0; i < m; ++i) {
+    //~ may need to check for integers here
+    stack->pushReal(in[i]);
+  }
+  exec(stack, 0);
+  for (i = n - 1; i >= 0; --i) {
+    out[i] = stack->popNum();
+    if (out[i] < range[i][0]) {
+      out[i] = range[i][0];
+    } else if (out[i] > range[i][1]) {
+      out[i] = range[i][1];
+    }
+  }
+  // if (!stack->empty()) {
+  //   error(-1, "Extra values on stack at end of PostScript function");
+  // }
+  delete stack;
+}
+
+GBool PostScriptFunction::parseCode(Stream *str, int *codePtr) {
+  GString *tok;
+  char *p;
+  GBool isReal;
+  int opPtr, elsePtr;
+  int a, b, mid, cmp;
+
+  while (1) {
+    if (!(tok = getToken(str))) {
+      error(-1, "Unexpected end of PostScript function stream");
+      return gFalse;
+    }
+    p = tok->getCString();
+    if (isdigit(*p) || *p == '.' || *p == '-') {
+      isReal = gFalse;
+      for (++p; *p; ++p) {
+	if (*p == '.') {
+	  isReal = gTrue;
+	  break;
+	}
+      }
+      resizeCode(*codePtr);
+      if (isReal) {
+	code[*codePtr].type = psReal;
+	code[*codePtr].real = atof(tok->getCString());
+      } else {
+	code[*codePtr].type = psInt;
+	code[*codePtr].intg = atoi(tok->getCString());
+      }
+      ++*codePtr;
+      delete tok;
+    } else if (!tok->cmp("{")) {
+      delete tok;
+      opPtr = *codePtr;
+      *codePtr += 3;
+      resizeCode(opPtr + 2);
+      if (!parseCode(str, codePtr)) {
+	return gFalse;
+      }
+      if (!(tok = getToken(str))) {
+	error(-1, "Unexpected end of PostScript function stream");
+	return gFalse;
+      }
+      if (!tok->cmp("{")) {
+	elsePtr = *codePtr;
+	if (!parseCode(str, codePtr)) {
+	  return gFalse;
+	}
+      } else {
+	elsePtr = -1;
+      }
+      delete tok;
+      if (!(tok = getToken(str))) {
+	error(-1, "Unexpected end of PostScript function stream");
+	return gFalse;
+      }
+      if (!tok->cmp("if")) {
+	if (elsePtr >= 0) {
+	  error(-1, "Got 'if' operator with two blocks in PostScript function");
+	  return gFalse;
+	}
+	code[opPtr].type = psOperator;
+	code[opPtr].op = psOpIf;
+	code[opPtr+2].type = psBlock;
+	code[opPtr+2].blk = *codePtr;
+      } else if (!tok->cmp("ifelse")) {
+	if (elsePtr < 0) {
+	  error(-1, "Got 'ifelse' operator with one blocks in PostScript function");
+	  return gFalse;
+	}
+	code[opPtr].type = psOperator;
+	code[opPtr].op = psOpIfelse;
+	code[opPtr+1].type = psBlock;
+	code[opPtr+1].blk = elsePtr;
+	code[opPtr+2].type = psBlock;
+	code[opPtr+2].blk = *codePtr;
+      } else {
+	error(-1, "Expected if/ifelse operator in PostScript function");
+	delete tok;
+	return gFalse;
+      }
+      delete tok;
+    } else if (!tok->cmp("}")) {
+      delete tok;
+      resizeCode(*codePtr);
+      code[*codePtr].type = psOperator;
+      code[*codePtr].op = psOpReturn;
+      ++*codePtr;
+      break;
+    } else {
+      a = -1;
+      b = nPSOps;
+      // invariant: psOpNames[a] < tok < psOpNames[b]
+      while (b - a > 1) {
+	mid = (a + b) / 2;
+	cmp = tok->cmp(psOpNames[mid]);
+	if (cmp > 0) {
+	  a = mid;
+	} else if (cmp < 0) {
+	  b = mid;
+	} else {
+	  a = b = mid;
+	}
+      }
+      if (cmp != 0) {
+	error(-1, "Unknown operator '%s' in PostScript function",
+	      tok->getCString());
+	delete tok;
+	return gFalse;
+      }
+      delete tok;
+      resizeCode(*codePtr);
+      code[*codePtr].type = psOperator;
+      code[*codePtr].op = (PSOp)a;
+      ++*codePtr;
+    }
+  }
+  return gTrue;
+}
+
+GString *PostScriptFunction::getToken(Stream *str) {
+  GString *s;
+  int c;
+
+  s = new GString();
+  do {
+    c = str->getChar();
+  } while (c != EOF && isspace(c));
+  if (c == '{' || c == '}') {
+    s->append((char)c);
+  } else if (isdigit(c) || c == '.' || c == '-') {
+    while (1) {
+      s->append((char)c);
+      c = str->lookChar();
+      if (c == EOF || !(isdigit(c) || c == '.' || c == '-')) {
+	break;
+      }
+      str->getChar();
+    }
+  } else {
+    while (1) {
+      s->append((char)c);
+      c = str->lookChar();
+      if (c == EOF || !isalnum(c)) {
+	break;
+      }
+      str->getChar();
+    }
+  }
+  return s;
+}
+
+void PostScriptFunction::resizeCode(int newSize) {
+  if (newSize >= codeSize) {
+    codeSize += 64;
+    code = (PSObject *)grealloc(code, codeSize * sizeof(PSObject));
+  }
+}
+
+void PostScriptFunction::exec(PSStack *stack, int codePtr) {
+  int i1, i2;
+  double r1, r2;
+  GBool b1, b2;
+
+  while (1) {
+    switch (code[codePtr].type) {
+    case psInt:
+      stack->pushInt(code[codePtr++].intg);
+      break;
+    case psReal:
+      stack->pushReal(code[codePtr++].real);
+      break;
+    case psOperator:
+      switch (code[codePtr++].op) {
+      case psOpAbs:
+	if (stack->topIsInt()) {
+	  stack->pushInt(abs(stack->popInt()));
+	} else {
+	  stack->pushReal(fabs(stack->popNum()));
+	}
+	break;
+      case psOpAdd:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushInt(i1 + i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushReal(r1 + r2);
+	}
+	break;
+      case psOpAnd:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushInt(i1 & i2);
+	} else {
+	  b2 = stack->popBool();
+	  b1 = stack->popBool();
+	  stack->pushReal(b1 && b2);
+	}
+	break;
+      case psOpAtan:
+	r2 = stack->popNum();
+	r1 = stack->popNum();
+	stack->pushReal(atan2(r1, r2));
+	break;
+      case psOpBitshift:
+	i2 = stack->popInt();
+	i1 = stack->popInt();
+	if (i2 > 0) {
+	  stack->pushInt(i1 << i2);
+	} else if (i2 < 0) {
+	  stack->pushInt((int)((Guint)i1 >> i2));
+	} else {
+	  stack->pushInt(i1);
+	}
+	break;
+      case psOpCeiling:
+	if (!stack->topIsInt()) {
+	  stack->pushReal(ceil(stack->popNum()));
+	}
+	break;
+      case psOpCopy:
+	stack->copy(stack->popInt());
+	break;
+      case psOpCos:
+	stack->pushReal(cos(stack->popNum()));
+	break;
+      case psOpCvi:
+	if (!stack->topIsInt()) {
+	  stack->pushInt((int)stack->popNum());
+	}
+	break;
+      case psOpCvr:
+	if (!stack->topIsReal()) {
+	  stack->pushReal(stack->popNum());
+	}
+	break;
+      case psOpDiv:
+	r2 = stack->popNum();
+	r1 = stack->popNum();
+	stack->pushReal(r1 / r2);
+	break;
+      case psOpDup:
+	stack->copy(1);
+	break;
+      case psOpEq:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushBool(i1 == i2);
+	} else if (stack->topTwoAreNums()) {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushBool(r1 == r2);
+	} else {
+	  b2 = stack->popBool();
+	  b1 = stack->popBool();
+	  stack->pushBool(b1 == b2);
+	}
+	break;
+      case psOpExch:
+	stack->roll(2, 1);
+	break;
+      case psOpExp:
+	r2 = stack->popInt();
+	r1 = stack->popInt();
+	stack->pushReal(pow(r1, r2));
+	break;
+      case psOpFalse:
+	stack->pushBool(gFalse);
+	break;
+      case psOpFloor:
+	if (!stack->topIsInt()) {
+	  stack->pushReal(floor(stack->popNum()));
+	}
+	break;
+      case psOpGe:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushBool(i1 >= i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushBool(r1 >= r2);
+	}
+	break;
+      case psOpGt:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushBool(i1 > i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushBool(r1 > r2);
+	}
+	break;
+      case psOpIdiv:
+	i2 = stack->popInt();
+	i1 = stack->popInt();
+	stack->pushInt(i1 / i2);
+	break;
+      case psOpIndex:
+	stack->index(stack->popInt());
+	break;
+      case psOpLe:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushBool(i1 <= i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushBool(r1 <= r2);
+	}
+	break;
+      case psOpLn:
+	stack->pushReal(log(stack->popNum()));
+	break;
+      case psOpLog:
+	stack->pushReal(log10(stack->popNum()));
+	break;
+      case psOpLt:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushBool(i1 < i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushBool(r1 < r2);
+	}
+	break;
+      case psOpMod:
+	i2 = stack->popInt();
+	i1 = stack->popInt();
+	stack->pushInt(i1 % i2);
+	break;
+      case psOpMul:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  //~ should check for out-of-range, and push a real instead
+	  stack->pushInt(i1 * i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushReal(r1 * r2);
+	}
+	break;
+      case psOpNe:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushBool(i1 != i2);
+	} else if (stack->topTwoAreNums()) {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushBool(r1 != r2);
+	} else {
+	  b2 = stack->popBool();
+	  b1 = stack->popBool();
+	  stack->pushBool(b1 != b2);
+	}
+	break;
+      case psOpNeg:
+	if (stack->topIsInt()) {
+	  stack->pushInt(-stack->popInt());
+	} else {
+	  stack->pushReal(-stack->popNum());
+	}
+	break;
+      case psOpNot:
+	if (stack->topIsInt()) {
+	  stack->pushInt(~stack->popInt());
+	} else {
+	  stack->pushReal(!stack->popBool());
+	}
+	break;
+      case psOpOr:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushInt(i1 | i2);
+	} else {
+	  b2 = stack->popBool();
+	  b1 = stack->popBool();
+	  stack->pushReal(b1 || b2);
+	}
+	break;
+      case psOpPop:
+	stack->pop();
+	break;
+      case psOpRoll:
+	i2 = stack->popInt();
+	i1 = stack->popInt();
+	stack->roll(i1, i2);
+	break;
+      case psOpRound:
+	if (!stack->topIsInt()) {
+	  r1 = stack->popNum();
+	  stack->pushReal((r1 >= 0) ? floor(r1 + 0.5) : ceil(r1 - 0.5));
+	}
+	break;
+      case psOpSin:
+	stack->pushReal(cos(stack->popNum()));
+	break;
+      case psOpSqrt:
+	stack->pushReal(sqrt(stack->popNum()));
+	break;
+      case psOpSub:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushInt(i1 - i2);
+	} else {
+	  r2 = stack->popNum();
+	  r1 = stack->popNum();
+	  stack->pushReal(r1 - r2);
+	}
+	break;
+      case psOpTrue:
+	stack->pushBool(gTrue);
+	break;
+      case psOpTruncate:
+	if (!stack->topIsInt()) {
+	  r1 = stack->popNum();
+	  stack->pushReal((r1 >= 0) ? floor(r1) : ceil(r1));
+	}
+	break;
+      case psOpXor:
+	if (stack->topTwoAreInts()) {
+	  i2 = stack->popInt();
+	  i1 = stack->popInt();
+	  stack->pushInt(i1 ^ i2);
+	} else {
+	  b2 = stack->popBool();
+	  b1 = stack->popBool();
+	  stack->pushReal(b1 ^ b2);
+	}
+	break;
+      case psOpIf:
+	b1 = stack->popBool();
+	if (b1) {
+	  exec(stack, codePtr + 2);
+	}
+	codePtr = code[codePtr + 1].blk;
+	break;
+      case psOpIfelse:
+	b1 = stack->popBool();
+	if (b1) {
+	  exec(stack, codePtr + 2);
+	} else {
+	  exec(stack, code[codePtr].blk);
+	}
+	codePtr = code[codePtr + 1].blk;
+	break;
+      case psOpReturn:
+	return;
+      }
+      break;
+    default:
+      error(-1, "Internal: bad object in PostScript function code");
+      break;
+    }
+  }
+}
diff --git a/pdftops/Function.h b/pdftops/Function.h
new file mode 100644
index 000000000..76903488d
--- /dev/null
+++ b/pdftops/Function.h
@@ -0,0 +1,157 @@
+//========================================================================
+//
+// Function.h
+//
+// Copyright 2001 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef FUNCTION_H
+#define FUNCTION_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "Object.h"
+
+class Dict;
+class Stream;
+struct PSObject;
+class PSStack;
+
+//------------------------------------------------------------------------
+// Function
+//------------------------------------------------------------------------
+
+#define funcMaxInputs  8
+#define funcMaxOutputs 8
+
+class Function {
+public:
+
+  Function();
+
+  virtual ~Function();
+
+  // Construct a function.  Returns NULL if unsuccessful.
+  static Function *parse(Object *funcObj);
+
+  // Initialize the entries common to all function types.
+  GBool init(Dict *dict);
+
+  virtual Function *copy() = 0;
+
+  // Return size of input and output tuples.
+  int getInputSize() { return m; }
+  int getOutputSize() { return n; }
+
+  // Transform an input tuple into an output tuple.
+  virtual void transform(double *in, double *out) = 0;
+
+  virtual GBool isOk() = 0;
+
+protected:
+
+  int m, n;			// size of input and output tuples
+  double			// min and max values for function domain
+    domain[funcMaxInputs][2];
+  double			// min and max values for function range
+    range[funcMaxOutputs][2];
+  GBool hasRange;		// set if range is defined
+};
+
+//------------------------------------------------------------------------
+// IdentityFunction
+//------------------------------------------------------------------------
+
+class IdentityFunction: public Function {
+public:
+
+  IdentityFunction();
+  virtual ~IdentityFunction();
+  virtual Function *copy() { return new IdentityFunction(); }
+  virtual void transform(double *in, double *out);
+  virtual GBool isOk() { return gTrue; }
+
+private:
+};
+
+//------------------------------------------------------------------------
+// SampledFunction
+//------------------------------------------------------------------------
+
+class SampledFunction: public Function {
+public:
+
+  SampledFunction(Object *funcObj, Dict *dict);
+  virtual ~SampledFunction();
+  virtual Function *copy() { return new SampledFunction(this); }
+  virtual void transform(double *in, double *out);
+  virtual GBool isOk() { return ok; }
+
+private:
+
+  SampledFunction(SampledFunction *func);
+
+  int				// number of samples for each domain element
+    sampleSize[funcMaxInputs];
+  double			// min and max values for domain encoder
+    encode[funcMaxInputs][2];
+  double			// min and max values for range decoder
+    decode[funcMaxOutputs][2];
+  double *samples;		// the samples
+  GBool ok;
+};
+
+//------------------------------------------------------------------------
+// ExponentialFunction
+//------------------------------------------------------------------------
+
+class ExponentialFunction: public Function {
+public:
+
+  ExponentialFunction(Object *funcObj, Dict *dict);
+  virtual ~ExponentialFunction();
+  virtual Function *copy() { return new ExponentialFunction(this); }
+  virtual void transform(double *in, double *out);
+  virtual GBool isOk() { return ok; }
+
+private:
+
+  ExponentialFunction(ExponentialFunction *func);
+
+  double c0[funcMaxOutputs];
+  double c1[funcMaxOutputs];
+  double e;
+  GBool ok;
+};
+
+//------------------------------------------------------------------------
+// PostScriptFunction
+//------------------------------------------------------------------------
+
+class PostScriptFunction: public Function {
+public:
+
+  PostScriptFunction(Object *funcObj, Dict *dict);
+  virtual ~PostScriptFunction();
+  virtual Function *copy() { return new PostScriptFunction(this); }
+  virtual void transform(double *in, double *out);
+  virtual GBool isOk() { return ok; }
+
+private:
+
+  PostScriptFunction(PostScriptFunction *func);
+  GBool parseCode(Stream *str, int *codePtr);
+  GString *getToken(Stream *str);
+  void resizeCode(int newSize);
+  void exec(PSStack *stack, int codePtr);
+
+  PSObject *code;
+  int codeSize;
+  GBool ok;
+};
+
+#endif
diff --git a/pdftops/GB12CMapInfo.h b/pdftops/GB12CMapInfo.h
new file mode 100644
index 000000000..880375737
--- /dev/null
+++ b/pdftops/GB12CMapInfo.h
@@ -0,0 +1,50880 @@
+//========================================================================
+//
+// GB12CMapInfo.h
+//
+// This file was automatically generated by makeCMapInfo.
+//
+// Copyright 1998 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef GB12CMAPINFO_H
+#define GB12CMAPINFO_H
+
+static Gushort gb12AdobeGB10Map2[66] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12AdobeGB10Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12AdobeGB10Map2, 33
+};
+
+static Gushort gb12AdobeGB11Map2[82] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12AdobeGB11Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12AdobeGB11Map2, 41
+};
+
+static Gushort gb12AdobeGB12Map2[178] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0x3800, 0x3800,
+  0x3900, 0x3900,
+  0x3a00, 0x3a00,
+  0x3b00, 0x3b00,
+  0x3c00, 0x3c00,
+  0x3d00, 0x3d00,
+  0x3e00, 0x3e00,
+  0x3f00, 0x3f00,
+  0x4000, 0x4000,
+  0x4100, 0x4100,
+  0x4200, 0x4200,
+  0x4300, 0x4300,
+  0x4400, 0x4400,
+  0x4500, 0x4500,
+  0x4600, 0x4600,
+  0x4700, 0x4700,
+  0x4800, 0x4800,
+  0x4900, 0x4900,
+  0x4a00, 0x4a00,
+  0x4b00, 0x4b00,
+  0x4c00, 0x4c00,
+  0x4d00, 0x4d00,
+  0x4e00, 0x4e00,
+  0x4f00, 0x4f00,
+  0x5000, 0x5000,
+  0x5100, 0x5100,
+  0x5200, 0x5200,
+  0x5300, 0x5300,
+  0x5400, 0x5400,
+  0x5500, 0x5500,
+  0x5600, 0x5600,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12AdobeGB12Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12AdobeGB12Map2, 89
+};
+
+static Gushort gb12GBEUCHMap2[180] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb1a1, 0x040a,
+  0xb2a1, 0x0468,
+  0xb3a1, 0x04c6,
+  0xb4a1, 0x0524,
+  0xb5a1, 0x0582,
+  0xb6a1, 0x05e0,
+  0xb7a1, 0x063e,
+  0xb8a1, 0x069c,
+  0xb9a1, 0x06fa,
+  0xbaa1, 0x0758,
+  0xbba1, 0x07b6,
+  0xbca1, 0x0814,
+  0xbda1, 0x0872,
+  0xbea1, 0x08d0,
+  0xbfa1, 0x092e,
+  0xc0a1, 0x098c,
+  0xc1a1, 0x09ea,
+  0xc2a1, 0x0a48,
+  0xc3a1, 0x0aa6,
+  0xc4a1, 0x0b04,
+  0xc5a1, 0x0b62,
+  0xc6a1, 0x0bc0,
+  0xc7a1, 0x0c1e,
+  0xc8a1, 0x0c7c,
+  0xc9a1, 0x0cda,
+  0xcaa1, 0x0d38,
+  0xcba1, 0x0d96,
+  0xcca1, 0x0df4,
+  0xcda1, 0x0e52,
+  0xcea1, 0x0eb0,
+  0xcfa1, 0x0f0e,
+  0xd0a1, 0x0f6c,
+  0xd1a1, 0x0fca,
+  0xd2a1, 0x1028,
+  0xd3a1, 0x1086,
+  0xd4a1, 0x10e4,
+  0xd5a1, 0x1142,
+  0xd6a1, 0x11a0,
+  0xd7a1, 0x11fe,
+  0xd8a1, 0x1257,
+  0xd9a1, 0x12b5,
+  0xdaa1, 0x1313,
+  0xdba1, 0x1371,
+  0xdca1, 0x13cf,
+  0xdda1, 0x142d,
+  0xdea1, 0x148b,
+  0xdfa1, 0x14e9,
+  0xe0a1, 0x1547,
+  0xe1a1, 0x15a5,
+  0xe2a1, 0x1603,
+  0xe3a1, 0x1661,
+  0xe4a1, 0x16bf,
+  0xe5a1, 0x171d,
+  0xe6a1, 0x177b,
+  0xe7a1, 0x17d9,
+  0xe8a1, 0x1837,
+  0xe9a1, 0x1895,
+  0xeaa1, 0x18f3,
+  0xeba1, 0x1951,
+  0xeca1, 0x19af,
+  0xeda1, 0x1a0d,
+  0xeea1, 0x1a6b,
+  0xefa1, 0x1ac9,
+  0xf0a1, 0x1b27,
+  0xf1a1, 0x1b85,
+  0xf2a1, 0x1be3,
+  0xf3a1, 0x1c41,
+  0xf4a1, 0x1c9f,
+  0xf5a1, 0x1cfd,
+  0xf6a1, 0x1d5b,
+  0xf7a1, 0x1db9,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBEUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1e24, 0x032e, 0x032f, 0x0330, 0x0331, 0x0332, 0x0333, 0x0334,
+    0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033a, 0x033b, 0x033c,
+    0x033d, 0x033e, 0x033f, 0x0340, 0x0341, 0x0342, 0x0343, 0x0344,
+    0x0345, 0x0346, 0x0347, 0x0348, 0x0349, 0x034a, 0x034b, 0x034c,
+    0x034d, 0x034e, 0x034f, 0x0350, 0x0351, 0x0352, 0x0353, 0x0354,
+    0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035c,
+    0x035d, 0x035e, 0x035f, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364,
+    0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036a, 0x036b, 0x036c,
+    0x036d, 0x036e, 0x036f, 0x0370, 0x0371, 0x0372, 0x0373, 0x0374,
+    0x0375, 0x0376, 0x0377, 0x0378, 0x0379, 0x037a, 0x037b, 0x037c,
+    0x037d, 0x037e, 0x037f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384,
+    0x0385, 0x0386, 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBEUCHMap2, 90
+};
+
+static Gushort gb12GBEUCVMap2[220] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb1a1, 0x040a,
+  0xb2a1, 0x0468,
+  0xb3a1, 0x04c6,
+  0xb4a1, 0x0524,
+  0xb5a1, 0x0582,
+  0xb6a1, 0x05e0,
+  0xb7a1, 0x063e,
+  0xb8a1, 0x069c,
+  0xb9a1, 0x06fa,
+  0xbaa1, 0x0758,
+  0xbba1, 0x07b6,
+  0xbca1, 0x0814,
+  0xbda1, 0x0872,
+  0xbea1, 0x08d0,
+  0xbfa1, 0x092e,
+  0xc0a1, 0x098c,
+  0xc1a1, 0x09ea,
+  0xc2a1, 0x0a48,
+  0xc3a1, 0x0aa6,
+  0xc4a1, 0x0b04,
+  0xc5a1, 0x0b62,
+  0xc6a1, 0x0bc0,
+  0xc7a1, 0x0c1e,
+  0xc8a1, 0x0c7c,
+  0xc9a1, 0x0cda,
+  0xcaa1, 0x0d38,
+  0xcba1, 0x0d96,
+  0xcca1, 0x0df4,
+  0xcda1, 0x0e52,
+  0xcea1, 0x0eb0,
+  0xcfa1, 0x0f0e,
+  0xd0a1, 0x0f6c,
+  0xd1a1, 0x0fca,
+  0xd2a1, 0x1028,
+  0xd3a1, 0x1086,
+  0xd4a1, 0x10e4,
+  0xd5a1, 0x1142,
+  0xd6a1, 0x11a0,
+  0xd7a1, 0x11fe,
+  0xd8a1, 0x1257,
+  0xd9a1, 0x12b5,
+  0xdaa1, 0x1313,
+  0xdba1, 0x1371,
+  0xdca1, 0x13cf,
+  0xdda1, 0x142d,
+  0xdea1, 0x148b,
+  0xdfa1, 0x14e9,
+  0xe0a1, 0x1547,
+  0xe1a1, 0x15a5,
+  0xe2a1, 0x1603,
+  0xe3a1, 0x1661,
+  0xe4a1, 0x16bf,
+  0xe5a1, 0x171d,
+  0xe6a1, 0x177b,
+  0xe7a1, 0x17d9,
+  0xe8a1, 0x1837,
+  0xe9a1, 0x1895,
+  0xeaa1, 0x18f3,
+  0xeba1, 0x1951,
+  0xeca1, 0x19af,
+  0xeda1, 0x1a0d,
+  0xeea1, 0x1a6b,
+  0xefa1, 0x1ac9,
+  0xf0a1, 0x1b27,
+  0xf1a1, 0x1b85,
+  0xf2a1, 0x1be3,
+  0xf3a1, 0x1c41,
+  0xf4a1, 0x1c9f,
+  0xf5a1, 0x1cfd,
+  0xf6a1, 0x1d5b,
+  0xf7a1, 0x1db9,
+  0xa1a2, 0x023f,
+  0xa1a3, 0x023e,
+  0xa1aa, 0x0256,
+  0xa1ab, 0x1e18,
+  0xa1ad, 0x0257,
+  0xa1b2, 0x0246,
+  0xa1fe, 0x1e1a,
+  0xa3a1, 0x0242,
+  0xa3a8, 0x0244,
+  0xa3ac, 0x023d,
+  0xa3ae, 0x1e1b,
+  0xa3ba, 0x0240,
+  0xa3bd, 0x1e1c,
+  0xa3bf, 0x0243,
+  0xa3db, 0x1e1d,
+  0xa3dd, 0x1e1e,
+  0xa3df, 0x0258,
+  0xa3fb, 0x0254,
+  0xa3fd, 0x0255,
+  0xa3fe, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBEUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1e24, 0x032e, 0x032f, 0x0330, 0x0331, 0x0332, 0x0333, 0x0334,
+    0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033a, 0x033b, 0x033c,
+    0x033d, 0x033e, 0x033f, 0x0340, 0x0341, 0x0342, 0x0343, 0x0344,
+    0x0345, 0x0346, 0x0347, 0x0348, 0x0349, 0x034a, 0x034b, 0x034c,
+    0x034d, 0x034e, 0x034f, 0x0350, 0x0351, 0x0352, 0x0353, 0x0354,
+    0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035c,
+    0x035d, 0x035e, 0x035f, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364,
+    0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036a, 0x036b, 0x036c,
+    0x036d, 0x036e, 0x036f, 0x0370, 0x0371, 0x0372, 0x0373, 0x0374,
+    0x0375, 0x0376, 0x0377, 0x0378, 0x0379, 0x037a, 0x037b, 0x037c,
+    0x037d, 0x037e, 0x037f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384,
+    0x0385, 0x0386, 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBEUCVMap2, 110
+};
+
+static Gushort gb12GBHMap2[180] = {
+  0x0000, 0x0000,
+  0x2121, 0x0060,
+  0x2231, 0x00be,
+  0x2265, 0x00f0,
+  0x2271, 0x00fa,
+  0x2321, 0x0106,
+  0x2421, 0x0164,
+  0x2521, 0x01b7,
+  0x2621, 0x020d,
+  0x2641, 0x0225,
+  0x2721, 0x025a,
+  0x2751, 0x027b,
+  0x2821, 0x029c,
+  0x2845, 0x02bc,
+  0x2924, 0x02e2,
+  0x2a21, 0x032e,
+  0x2b21, 0x038c,
+  0x3021, 0x03ac,
+  0x3121, 0x040a,
+  0x3221, 0x0468,
+  0x3321, 0x04c6,
+  0x3421, 0x0524,
+  0x3521, 0x0582,
+  0x3621, 0x05e0,
+  0x3721, 0x063e,
+  0x3821, 0x069c,
+  0x3921, 0x06fa,
+  0x3a21, 0x0758,
+  0x3b21, 0x07b6,
+  0x3c21, 0x0814,
+  0x3d21, 0x0872,
+  0x3e21, 0x08d0,
+  0x3f21, 0x092e,
+  0x4021, 0x098c,
+  0x4121, 0x09ea,
+  0x4221, 0x0a48,
+  0x4321, 0x0aa6,
+  0x4421, 0x0b04,
+  0x4521, 0x0b62,
+  0x4621, 0x0bc0,
+  0x4721, 0x0c1e,
+  0x4821, 0x0c7c,
+  0x4921, 0x0cda,
+  0x4a21, 0x0d38,
+  0x4b21, 0x0d96,
+  0x4c21, 0x0df4,
+  0x4d21, 0x0e52,
+  0x4e21, 0x0eb0,
+  0x4f21, 0x0f0e,
+  0x5021, 0x0f6c,
+  0x5121, 0x0fca,
+  0x5221, 0x1028,
+  0x5321, 0x1086,
+  0x5421, 0x10e4,
+  0x5521, 0x1142,
+  0x5621, 0x11a0,
+  0x5721, 0x11fe,
+  0x5821, 0x1257,
+  0x5921, 0x12b5,
+  0x5a21, 0x1313,
+  0x5b21, 0x1371,
+  0x5c21, 0x13cf,
+  0x5d21, 0x142d,
+  0x5e21, 0x148b,
+  0x5f21, 0x14e9,
+  0x6021, 0x1547,
+  0x6121, 0x15a5,
+  0x6221, 0x1603,
+  0x6321, 0x1661,
+  0x6421, 0x16bf,
+  0x6521, 0x171d,
+  0x6621, 0x177b,
+  0x6721, 0x17d9,
+  0x6821, 0x1837,
+  0x6921, 0x1895,
+  0x6a21, 0x18f3,
+  0x6b21, 0x1951,
+  0x6c21, 0x19af,
+  0x6d21, 0x1a0d,
+  0x6e21, 0x1a6b,
+  0x6f21, 0x1ac9,
+  0x7021, 0x1b27,
+  0x7121, 0x1b85,
+  0x7221, 0x1be3,
+  0x7321, 0x1c41,
+  0x7421, 0x1c9f,
+  0x7521, 0x1cfd,
+  0x7621, 0x1d5b,
+  0x7721, 0x1db9,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBHMap2, 90
+};
+
+static Gushort gb12GBVMap2[220] = {
+  0x0000, 0x0000,
+  0x2121, 0x0060,
+  0x2231, 0x00be,
+  0x2265, 0x00f0,
+  0x2271, 0x00fa,
+  0x2321, 0x0106,
+  0x2421, 0x0164,
+  0x2521, 0x01b7,
+  0x2621, 0x020d,
+  0x2641, 0x0225,
+  0x2721, 0x025a,
+  0x2751, 0x027b,
+  0x2821, 0x029c,
+  0x2845, 0x02bc,
+  0x2924, 0x02e2,
+  0x2a21, 0x032e,
+  0x2b21, 0x038c,
+  0x3021, 0x03ac,
+  0x3121, 0x040a,
+  0x3221, 0x0468,
+  0x3321, 0x04c6,
+  0x3421, 0x0524,
+  0x3521, 0x0582,
+  0x3621, 0x05e0,
+  0x3721, 0x063e,
+  0x3821, 0x069c,
+  0x3921, 0x06fa,
+  0x3a21, 0x0758,
+  0x3b21, 0x07b6,
+  0x3c21, 0x0814,
+  0x3d21, 0x0872,
+  0x3e21, 0x08d0,
+  0x3f21, 0x092e,
+  0x4021, 0x098c,
+  0x4121, 0x09ea,
+  0x4221, 0x0a48,
+  0x4321, 0x0aa6,
+  0x4421, 0x0b04,
+  0x4521, 0x0b62,
+  0x4621, 0x0bc0,
+  0x4721, 0x0c1e,
+  0x4821, 0x0c7c,
+  0x4921, 0x0cda,
+  0x4a21, 0x0d38,
+  0x4b21, 0x0d96,
+  0x4c21, 0x0df4,
+  0x4d21, 0x0e52,
+  0x4e21, 0x0eb0,
+  0x4f21, 0x0f0e,
+  0x5021, 0x0f6c,
+  0x5121, 0x0fca,
+  0x5221, 0x1028,
+  0x5321, 0x1086,
+  0x5421, 0x10e4,
+  0x5521, 0x1142,
+  0x5621, 0x11a0,
+  0x5721, 0x11fe,
+  0x5821, 0x1257,
+  0x5921, 0x12b5,
+  0x5a21, 0x1313,
+  0x5b21, 0x1371,
+  0x5c21, 0x13cf,
+  0x5d21, 0x142d,
+  0x5e21, 0x148b,
+  0x5f21, 0x14e9,
+  0x6021, 0x1547,
+  0x6121, 0x15a5,
+  0x6221, 0x1603,
+  0x6321, 0x1661,
+  0x6421, 0x16bf,
+  0x6521, 0x171d,
+  0x6621, 0x177b,
+  0x6721, 0x17d9,
+  0x6821, 0x1837,
+  0x6921, 0x1895,
+  0x6a21, 0x18f3,
+  0x6b21, 0x1951,
+  0x6c21, 0x19af,
+  0x6d21, 0x1a0d,
+  0x6e21, 0x1a6b,
+  0x6f21, 0x1ac9,
+  0x7021, 0x1b27,
+  0x7121, 0x1b85,
+  0x7221, 0x1be3,
+  0x7321, 0x1c41,
+  0x7421, 0x1c9f,
+  0x7521, 0x1cfd,
+  0x7621, 0x1d5b,
+  0x7721, 0x1db9,
+  0x2122, 0x023f,
+  0x2123, 0x023e,
+  0x212a, 0x0256,
+  0x212b, 0x1e18,
+  0x212d, 0x0257,
+  0x2132, 0x0246,
+  0x217e, 0x1e1a,
+  0x2321, 0x0242,
+  0x2328, 0x0244,
+  0x232c, 0x023d,
+  0x232e, 0x1e1b,
+  0x233a, 0x0240,
+  0x233d, 0x1e1c,
+  0x233f, 0x0243,
+  0x235b, 0x1e1d,
+  0x235d, 0x1e1e,
+  0x235f, 0x0258,
+  0x237b, 0x0254,
+  0x237d, 0x0255,
+  0x237e, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBVMap2, 110
+};
+
+static Gushort gb12GBKEUCHMap2[8142] = {
+  0x0000, 0x0000,
+  0x8140, 0x2758,
+  0x8179, 0x2059,
+  0x817a, 0x2791,
+  0x8180, 0x2796,
+  0x8186, 0x21f1,
+  0x8187, 0x279c,
+  0x81ed, 0x1ff2,
+  0x81ee, 0x2802,
+  0x81f6, 0x205d,
+  0x81f7, 0x280a,
+  0x8240, 0x2812,
+  0x8253, 0x269c,
+  0x8254, 0x2825,
+  0x8262, 0x21b5,
+  0x8263, 0x2833,
+  0x8274, 0x22cc,
+  0x8275, 0x2844,
+  0x827a, 0x2016,
+  0x827b, 0x2849,
+  0x827d, 0x1e62,
+  0x827e, 0x284b,
+  0x8280, 0x1f20,
+  0x8281, 0x284c,
+  0x8283, 0x207f,
+  0x8284, 0x284e,
+  0x8290, 0x205c,
+  0x8291, 0x285a,
+  0x82a5, 0x2194,
+  0x82a6, 0x286e,
+  0x82c8, 0x1e65,
+  0x82c9, 0x2281,
+  0x82ca, 0x2890,
+  0x82e1, 0x22cd,
+  0x82e2, 0x28a7,
+  0x82e3, 0x210a,
+  0x82e4, 0x1e3e,
+  0x82e5, 0x28a8,
+  0x82ed, 0x267f,
+  0x82ee, 0x28b0,
+  0x82f2, 0x222e,
+  0x82f3, 0x28b4,
+  0x82f7, 0x1e96,
+  0x82f8, 0x22cb,
+  0x82f9, 0x226c,
+  0x82fa, 0x28b8,
+  0x82fb, 0x2117,
+  0x82fc, 0x28b9,
+  0x8340, 0x28bc,
+  0x8341, 0x20e8,
+  0x8342, 0x28bd,
+  0x8345, 0x22d4,
+  0x8346, 0x28c0,
+  0x8348, 0x1fb9,
+  0x8349, 0x28c2,
+  0x834c, 0x22d8,
+  0x834d, 0x28c5,
+  0x8353, 0x20df,
+  0x8354, 0x28cb,
+  0x8357, 0x20c2,
+  0x8358, 0x28ce,
+  0x835e, 0x2195,
+  0x835f, 0x28d4,
+  0x8365, 0x1fac,
+  0x8366, 0x22d3,
+  0x8367, 0x28da,
+  0x8372, 0x1f81,
+  0x8373, 0x28e5,
+  0x8378, 0x2210,
+  0x8379, 0x28ea,
+  0x837a, 0x22cf,
+  0x837b, 0x28eb,
+  0x837c, 0x2213,
+  0x837d, 0x28ec,
+  0x837e, 0x1fe4,
+  0x8380, 0x1f90,
+  0x8381, 0x28ed,
+  0x8386, 0x22d6,
+  0x8387, 0x28f2,
+  0x8389, 0x22d0,
+  0x838a, 0x22ce,
+  0x838b, 0x28f4,
+  0x838d, 0x2681,
+  0x838e, 0x28f6,
+  0x8394, 0x1e76,
+  0x8395, 0x28fc,
+  0x839e, 0x2231,
+  0x839f, 0x2905,
+  0x83a6, 0x1e93,
+  0x83a7, 0x290c,
+  0x83ab, 0x22d2,
+  0x83ac, 0x2910,
+  0x83ae, 0x22d7,
+  0x83af, 0x22d5,
+  0x83b0, 0x22d1,
+  0x83b1, 0x2912,
+  0x83ba, 0x1ee5,
+  0x83bb, 0x291b,
+  0x83c9, 0x2025,
+  0x83ca, 0x2929,
+  0x83f6, 0x1ecf,
+  0x83f7, 0x2955,
+  0x8440, 0x295d,
+  0x8450, 0x1fd9,
+  0x8451, 0x296d,
+  0x8471, 0x22c8,
+  0x8472, 0x298d,
+  0x8474, 0x2263,
+  0x8475, 0x298f,
+  0x8477, 0x2683,
+  0x8478, 0x2991,
+  0x8480, 0x2998,
+  0x8482, 0x1f17,
+  0x8483, 0x299a,
+  0x848e, 0x1f2b,
+  0x848f, 0x29a5,
+  0x8492, 0x22ca,
+  0x8493, 0x1e99,
+  0x8494, 0x29a8,
+  0x849d, 0x1f4f,
+  0x849e, 0x29b1,
+  0x84a1, 0x1fcf,
+  0x84a2, 0x2036,
+  0x84a3, 0x1f3a,
+  0x84a4, 0x29b4,
+  0x84a5, 0x22c9,
+  0x84a6, 0x1f99,
+  0x84a7, 0x29b5,
+  0x84a9, 0x1f75,
+  0x84aa, 0x29b7,
+  0x84c5, 0x1fbe,
+  0x84c6, 0x29d2,
+  0x84d3, 0x1ecd,
+  0x84d4, 0x29df,
+  0x84d5, 0x21a9,
+  0x84d6, 0x29e0,
+  0x84d7, 0x21e6,
+  0x84d8, 0x29e1,
+  0x84d9, 0x2127,
+  0x84da, 0x2003,
+  0x84db, 0x29e2,
+  0x84dd, 0x2132,
+  0x84de, 0x29e4,
+  0x84ea, 0x2323,
+  0x84eb, 0x29f0,
+  0x84ee, 0x2011,
+  0x84ef, 0x29f3,
+  0x84f1, 0x20f5,
+  0x84f2, 0x29f5,
+  0x8540, 0x2a02,
+  0x8551, 0x22c5,
+  0x8552, 0x1f5e,
+  0x8553, 0x2a13,
+  0x8554, 0x22c6,
+  0x8555, 0x2a14,
+  0x855e, 0x20ef,
+  0x855f, 0x2a1d,
+  0x8566, 0x21d0,
+  0x8567, 0x2a24,
+  0x8580, 0x2a3c,
+  0x8587, 0x22c1,
+  0x8588, 0x2a43,
+  0x858b, 0x1e64,
+  0x858c, 0x2a46,
+  0x8592, 0x21f9,
+  0x8593, 0x2a4c,
+  0x8596, 0x2010,
+  0x8597, 0x2a4f,
+  0x8598, 0x22c2,
+  0x8599, 0x2a50,
+  0x85a2, 0x1e5a,
+  0x85a3, 0x2a59,
+  0x85b2, 0x1ea2,
+  0x85b3, 0x2a68,
+  0x8640, 0x2ab4,
+  0x864a, 0x236d,
+  0x864b, 0x2abe,
+  0x8654, 0x2247,
+  0x8655, 0x2ac7,
+  0x8668, 0x236c,
+  0x8669, 0x2ada,
+  0x8680, 0x2af0,
+  0x8696, 0x219c,
+  0x8697, 0x2b06,
+  0x8699, 0x20c9,
+  0x869a, 0x2b08,
+  0x86a1, 0x21f0,
+  0x86a2, 0x2b0f,
+  0x86ca, 0x210b,
+  0x86cb, 0x2b37,
+  0x86cc, 0x20de,
+  0x86cd, 0x2b38,
+  0x86ce, 0x1eaa,
+  0x86cf, 0x2b39,
+  0x86d1, 0x222c,
+  0x86d2, 0x2b3b,
+  0x86dc, 0x20d8,
+  0x86dd, 0x22c0,
+  0x86de, 0x2b45,
+  0x86e1, 0x206f,
+  0x86e2, 0x2b48,
+  0x86e8, 0x21a1,
+  0x86e9, 0x2b4e,
+  0x86ee, 0x2379,
+  0x86ef, 0x2b53,
+  0x86f4, 0x2372,
+  0x86f5, 0x2b58,
+  0x8740, 0x216a,
+  0x8741, 0x2b62,
+  0x8744, 0x237c,
+  0x8745, 0x2b65,
+  0x8749, 0x20b0,
+  0x874a, 0x2b69,
+  0x874b, 0x237a,
+  0x874c, 0x1e74,
+  0x874d, 0x2b6a,
+  0x874f, 0x2377,
+  0x8750, 0x2b6c,
+  0x8757, 0x1f4c,
+  0x8758, 0x2b73,
+  0x875a, 0x2378,
+  0x875b, 0x21cf,
+  0x875c, 0x2368,
+  0x875d, 0x2b75,
+  0x875e, 0x2371,
+  0x875f, 0x2b76,
+  0x8760, 0x2369,
+  0x8761, 0x2b77,
+  0x8766, 0x2674,
+  0x8767, 0x2b7c,
+  0x877a, 0x236f,
+  0x877b, 0x2b8f,
+  0x877d, 0x2370,
+  0x877e, 0x2b91,
+  0x8780, 0x2b92,
+  0x8781, 0x2376,
+  0x8782, 0x2373,
+  0x8783, 0x2b93,
+  0x8786, 0x237f,
+  0x8787, 0x2b96,
+  0x8788, 0x2374,
+  0x8789, 0x2b97,
+  0x878a, 0x20b5,
+  0x878b, 0x2b98,
+  0x878d, 0x1edb,
+  0x878e, 0x2672,
+  0x878f, 0x2b9a,
+  0x8793, 0x236e,
+  0x8794, 0x2b9e,
+  0x8798, 0x21b7,
+  0x8799, 0x2ba2,
+  0x879d, 0x2375,
+  0x879e, 0x2ba6,
+  0x87a3, 0x2382,
+  0x87a4, 0x2bab,
+  0x87a7, 0x209e,
+  0x87a8, 0x2bae,
+  0x87b3, 0x236b,
+  0x87b4, 0x2bb9,
+  0x87b5, 0x2039,
+  0x87b6, 0x2bba,
+  0x87bb, 0x269f,
+  0x87bc, 0x2bbf,
+  0x87bf, 0x237d,
+  0x87c0, 0x21f5,
+  0x87c1, 0x2bc2,
+  0x87c2, 0x2381,
+  0x87c3, 0x2bc3,
+  0x87ca, 0x237b,
+  0x87cb, 0x237e,
+  0x87cc, 0x21cc,
+  0x87cd, 0x2bca,
+  0x87cf, 0x22db,
+  0x87d0, 0x2bcc,
+  0x87d2, 0x236a,
+  0x87d3, 0x2689,
+  0x87d4, 0x2bce,
+  0x87d5, 0x2697,
+  0x87d6, 0x2bcf,
+  0x87da, 0x22a1,
+  0x87db, 0x2bd3,
+  0x87f7, 0x2383,
+  0x87f8, 0x1f3d,
+  0x87f9, 0x2bef,
+  0x87fa, 0x218f,
+  0x87fb, 0x2bf0,
+  0x8840, 0x2246,
+  0x8841, 0x2248,
+  0x8842, 0x2bf4,
+  0x8844, 0x217e,
+  0x8845, 0x2bf6,
+  0x8846, 0x2180,
+  0x8847, 0x2bf7,
+  0x8880, 0x2c2f,
+  0x88ba, 0x232a,
+  0x88bb, 0x2c69,
+  0x88cc, 0x228b,
+  0x88cd, 0x2c7a,
+  0x88d4, 0x1f85,
+  0x88d5, 0x2c81,
+  0x88d7, 0x2325,
+  0x88d8, 0x2c83,
+  0x88df, 0x232c,
+  0x88e0, 0x2c8a,
+  0x88e5, 0x232e,
+  0x88e6, 0x2c8f,
+  0x88f2, 0x2205,
+  0x88f3, 0x1e38,
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+  0xf254, 0x20c7,
+  0xf255, 0x240d,
+  0xf256, 0x5288,
+  0xf25c, 0x2412,
+  0xf25d, 0x528e,
+  0xf25f, 0x20b7,
+  0xf260, 0x5290,
+  0xf271, 0x23f0,
+  0xf272, 0x52a1,
+  0xf273, 0x2411,
+  0xf274, 0x2414,
+  0xf275, 0x52a2,
+  0xf276, 0x2170,
+  0xf277, 0x52a3,
+  0xf27c, 0x2405,
+  0xf27d, 0x210c,
+  0xf27e, 0x2415,
+  0xf280, 0x52a8,
+  0xf285, 0x2066,
+  0xf286, 0x52ad,
+  0xf287, 0x2352,
+  0xf288, 0x2413,
+  0xf289, 0x2410,
+  0xf28a, 0x2416,
+  0xf28c, 0x20f1,
+  0xf28d, 0x52ae,
+  0xf291, 0x240a,
+  0xf292, 0x52b2,
+  0xf294, 0x2409,
+  0xf295, 0x52b4,
+  0xf296, 0x2418,
+  0xf297, 0x52b5,
+  0xf29c, 0x1fa7,
+  0xf29d, 0x52ba,
+  0xf29e, 0x21fc,
+  0xf29f, 0x52bb,
+  0xf2a1, 0x1be3,
+  0xf340, 0x1fc1,
+  0xf341, 0x2406,
+  0xf342, 0x52bd,
+  0xf345, 0x229c,
+  0xf346, 0x52c0,
+  0xf348, 0x204e,
+  0xf349, 0x52c2,
+  0xf34a, 0x241a,
+  0xf34b, 0x2419,
+  0xf34c, 0x52c3,
+  0xf350, 0x240c,
+  0xf351, 0x52c7,
+  0xf361, 0x1e29,
+  0xf362, 0x52d7,
+  0xf374, 0x2661,
+  0xf375, 0x52e9,
+  0xf376, 0x26a4,
+  0xf377, 0x2174,
+  0xf378, 0x2663,
+  0xf379, 0x2662,
+  0xf37a, 0x52ea,
+  0xf380, 0x52ef,
+  0xf38c, 0x2675,
+  0xf38d, 0x52fb,
+  0xf3a0, 0x214c,
+  0xf3a1, 0x1c41,
+  0xf440, 0x530e,
+  0xf445, 0x267a,
+  0xf446, 0x5313,
+  0xf450, 0x26a0,
+  0xf451, 0x531d,
+  0xf457, 0x2668,
+  0xf458, 0x5323,
+  0xf459, 0x1ed0,
+  0xf45a, 0x5324,
+  0xf45b, 0x2096,
+  0xf45c, 0x5325,
+  0xf45d, 0x23cc,
+  0xf45e, 0x5326,
+  0xf462, 0x23c8,
+  0xf463, 0x532a,
+  0xf464, 0x223e,
+  0xf465, 0x532b,
+  0xf475, 0x2665,
+  0xf476, 0x533b,
+  0xf47c, 0x2664,
+  0xf47d, 0x5341,
+  0xf47e, 0x2239,
+  0xf480, 0x5342,
+  0xf494, 0x204a,
+  0xf495, 0x5356,
+  0xf499, 0x261f,
+  0xf49a, 0x535a,
+  0xf49c, 0x261e,
+  0xf49d, 0x535c,
+  0xf4a1, 0x1c9f,
+  0xf540, 0x5360,
+  0xf545, 0x2620,
+  0xf546, 0x5365,
+  0xf547, 0x2621,
+  0xf548, 0x5366,
+  0xf552, 0x2622,
+  0xf553, 0x5370,
+  0xf554, 0x2627,
+  0xf555, 0x1e39,
+  0xf556, 0x2625,
+  0xf557, 0x5371,
+  0xf55e, 0x2629,
+  0xf55f, 0x5378,
+  0xf561, 0x262e,
+  0xf562, 0x262b,
+  0xf563, 0x537a,
+  0xf56e, 0x262a,
+  0xf56f, 0x262d,
+  0xf570, 0x5385,
+  0xf571, 0x2628,
+  0xf572, 0x21b9,
+  0xf573, 0x5386,
+  0xf580, 0x5392,
+  0xf585, 0x2636,
+  0xf586, 0x2630,
+  0xf587, 0x5397,
+  0xf58c, 0x2638,
+  0xf58d, 0x539c,
+  0xf58e, 0x200d,
+  0xf58f, 0x2637,
+  0xf590, 0x539d,
+  0xf599, 0x2645,
+  0xf59a, 0x53a6,
+  0xf59b, 0x263a,
+  0xf59c, 0x53a7,
+  0xf5a0, 0x2643,
+  0xf5a1, 0x1cfd,
+  0xf640, 0x53ab,
+  0xf641, 0x2640,
+  0xf642, 0x53ac,
+  0xf645, 0x263d,
+  0xf646, 0x2641,
+  0xf647, 0x53af,
+  0xf648, 0x263e,
+  0xf649, 0x53b0,
+  0xf64b, 0x263f,
+  0xf64c, 0x1fc0,
+  0xf64d, 0x53b2,
+  0xf64e, 0x263b,
+  0xf650, 0x53b3,
+  0xf654, 0x2642,
+  0xf655, 0x53b7,
+  0xf658, 0x2644,
+  0xf659, 0x53ba,
+  0xf661, 0x2639,
+  0xf662, 0x53c2,
+  0xf663, 0x264c,
+  0xf664, 0x53c3,
+  0xf66c, 0x2647,
+  0xf66d, 0x264b,
+  0xf66e, 0x53cb,
+  0xf671, 0x2649,
+  0xf672, 0x53ce,
+  0xf674, 0x2648,
+  0xf675, 0x53d0,
+  0xf676, 0x264a,
+  0xf677, 0x2108,
+  0xf678, 0x53d1,
+  0xf680, 0x53d8,
+  0xf685, 0x264d,
+  0xf686, 0x53dd,
+  0xf688, 0x2634,
+  0xf689, 0x53df,
+  0xf68a, 0x2651,
+  0xf68b, 0x53e0,
+  0xf68d, 0x2650,
+  0xf68e, 0x2652,
+  0xf68f, 0x53e2,
+  0xf692, 0x264f,
+  0xf693, 0x53e5,
+  0xf696, 0x2632,
+  0xf697, 0x264e,
+  0xf698, 0x2653,
+  0xf699, 0x53e8,
+  0xf69a, 0x2657,
+  0xf69b, 0x53e9,
+  0xf69c, 0x2635,
+  0xf69d, 0x53ea,
+  0xf69e, 0x2633,
+  0xf69f, 0x53eb,
+  0xf6a0, 0x2656,
+  0xf6a1, 0x1d5b,
+  0xf740, 0x53ec,
+  0xf742, 0x2654,
+  0xf743, 0x53ee,
+  0xf749, 0x2658,
+  0xf74a, 0x53f4,
+  0xf74c, 0x2655,
+  0xf74d, 0x1e4d,
+  0xf74e, 0x53f6,
+  0xf756, 0x265b,
+  0xf757, 0x53fe,
+  0xf758, 0x265a,
+  0xf759, 0x53ff,
+  0xf75a, 0x2659,
+  0xf75b, 0x202e,
+  0xf75c, 0x262f,
+  0xf75d, 0x5400,
+  0xf761, 0x2646,
+  0xf762, 0x5404,
+  0xf763, 0x2626,
+  0xf764, 0x5405,
+  0xf76b, 0x265c,
+  0xf76c, 0x540c,
+  0xf771, 0x262c,
+  0xf772, 0x5411,
+  0xf77c, 0x2623,
+  0xf77d, 0x541b,
+  0xf77e, 0x2631,
+  0xf780, 0x541c,
+  0xf7a1, 0x1db9,
+  0xf840, 0x543d,
+  0xf842, 0x209c,
+  0xf843, 0x543f,
+  0xf846, 0x2580,
+  0xf847, 0x5442,
+  0xf849, 0x22dc,
+  0xf84a, 0x5444,
+  0xf850, 0x1f05,
+  0xf851, 0x208b,
+  0xf852, 0x544a,
+  0xf853, 0x2581,
+  0xf854, 0x544b,
+  0xf863, 0x2583,
+  0xf864, 0x2582,
+  0xf865, 0x545a,
+  0xf866, 0x21ee,
+  0xf867, 0x545b,
+  0xf872, 0x2182,
+  0xf873, 0x5466,
+  0xf878, 0x2243,
+  0xf879, 0x546b,
+  0xf87a, 0x2587,
+  0xf87b, 0x546c,
+  0xf87c, 0x2588,
+  0xf87d, 0x546d,
+  0xf880, 0x546f,
+  0xf881, 0x2584,
+  0xf882, 0x5470,
+  0xf884, 0x21fd,
+  0xf885, 0x5472,
+  0xf886, 0x21ef,
+  0xf887, 0x5473,
+  0xf88d, 0x258a,
+  0xf88e, 0x258c,
+  0xf88f, 0x5479,
+  0xf899, 0x1f47,
+  0xf89a, 0x5483,
+  0xf89d, 0x1f1d,
+  0xf89e, 0x5486,
+  0xf8a0, 0x258d,
+  0xf940, 0x5488,
+  0xf94e, 0x1fd0,
+  0xf94f, 0x2592,
+  0xf950, 0x258f,
+  0xf951, 0x5496,
+  0xf959, 0x2594,
+  0xf95a, 0x1ee0,
+  0xf95b, 0x549e,
+  0xf95d, 0x2591,
+  0xf95e, 0x2595,
+  0xf95f, 0x54a0,
+  0xf967, 0x2597,
+  0xf968, 0x54a8,
+  0xf969, 0x20b6,
+  0xf96a, 0x54a9,
+  0xf96c, 0x2598,
+  0xf96d, 0x54ab,
+  0xf96f, 0x20f6,
+  0xf970, 0x54ad,
+  0xf980, 0x54bc,
+  0xf985, 0x2585,
+  0xf986, 0x54c1,
+  0xf987, 0x2599,
+  0xf988, 0x54c2,
+  0xf991, 0x2596,
+  0xf992, 0x54cb,
+  0xf996, 0x259a,
+  0xf997, 0x54cf,
+  0xf998, 0x259b,
+  0xf999, 0x54d0,
+  0xfa40, 0x54d8,
+  0xfa42, 0x259d,
+  0xfa43, 0x54da,
+  0xfa46, 0x259e,
+  0xfa47, 0x54dd,
+  0xfa4c, 0x234c,
+  0xfa4d, 0x54e2,
+  0xfa51, 0x1f44,
+  0xfa52, 0x54e6,
+  0xfa58, 0x2660,
+  0xfa59, 0x25a0,
+  0xfa5a, 0x54ec,
+  0xfa5d, 0x259c,
+  0xfa5e, 0x54ef,
+  0xfa5f, 0x259f,
+  0xfa60, 0x54f0,
+  0xfa61, 0x1f6c,
+  0xfa62, 0x54f1,
+  0xfa70, 0x25a2,
+  0xfa71, 0x54ff,
+  0xfa74, 0x20ae,
+  0xfa75, 0x5502,
+  0xfa76, 0x258b,
+  0xfa77, 0x25a3,
+  0xfa78, 0x5503,
+  0xfa80, 0x550a,
+  0xfa83, 0x2589,
+  0xfa84, 0x25a5,
+  0xfa85, 0x550d,
+  0xfa8d, 0x25a4,
+  0xfa8e, 0x5515,
+  0xfa90, 0x25a6,
+  0xfa91, 0x2593,
+  0xfa92, 0x5517,
+  0xfa96, 0x25a7,
+  0xfa97, 0x2222,
+  0xfa98, 0x25a9,
+  0xfa99, 0x551b,
+  0xfb40, 0x5523,
+  0xfb49, 0x25a8,
+  0xfb4a, 0x552c,
+  0xfb52, 0x2586,
+  0xfb53, 0x5534,
+  0xfb57, 0x25a1,
+  0xfb58, 0x25aa,
+  0xfb59, 0x5538,
+  0xfb5a, 0x2590,
+  0xfb5b, 0x258e,
+  0xfb5c, 0x5539,
+  0xfb75, 0x2688,
+  0xfb76, 0x5552,
+  0xfb79, 0x269e,
+  0xfb7a, 0x25fb,
+  0xfb7b, 0x5555,
+  0xfb7c, 0x1f8c,
+  0xfb7d, 0x21f4,
+  0xfb7e, 0x5556,
+  0xfb80, 0x5557,
+  0xfb90, 0x200f,
+  0xfb91, 0x5567,
+  0xfb9c, 0x2071,
+  0xfb9d, 0x5572,
+  0xfb9f, 0x25f7,
+  0xfba0, 0x5574,
+  0xfc40, 0x5575,
+  0xfc44, 0x2696,
+  0xfc45, 0x5579,
+  0xfc49, 0x268f,
+  0xfc4a, 0x557d,
+  0xfc5a, 0x22da,
+  0xfc5b, 0x558d,
+  0xfc63, 0x1ec1,
+  0xfc64, 0x5595,
+  0xfc68, 0x1eb3,
+  0xfc69, 0x5599,
+  0xfc6f, 0x266a,
+  0xfc70, 0x559f,
+  0xfc71, 0x268a,
+  0xfc72, 0x55a0,
+  0xfc74, 0x2669,
+  0xfc75, 0x55a2,
+  0xfc77, 0x2618,
+  0xfc79, 0x55a4,
+  0xfc80, 0x55aa,
+  0xfc83, 0x261a,
+  0xfc84, 0x55ad,
+  0xfc8a, 0x2673,
+  0xfc8b, 0x55b3,
+  0xfd40, 0x55c9,
+  0xfd52, 0x20c6,
+  0xfd53, 0x226b,
+  0xfd54, 0x55db,
+  0xfd57, 0x24d3,
+  0xfd58, 0x1e86,
+  0xfd59, 0x55de,
+  0xfd5a, 0x260f,
+  0xfd5b, 0x55df,
+  0xfd5f, 0x2611,
+  0xfd60, 0x55e3,
+  0xfd62, 0x2613,
+  0xfd63, 0x55e5,
+  0xfd65, 0x2610,
+  0xfd66, 0x2612,
+  0xfd67, 0x2030,
+  0xfd68, 0x55e7,
+  0xfd69, 0x2671,
+  0xfd6a, 0x55e8,
+  0xfd6c, 0x2614,
+  0xfd6d, 0x55ea,
+  0xfd70, 0x2616,
+  0xfd71, 0x55ed,
+  0xfd72, 0x2615,
+  0xfd73, 0x55ee,
+  0xfd78, 0x20f2,
+  0xfd79, 0x55f3,
+  0xfd7d, 0x2617,
+  0xfd7e, 0x55f7,
+  0xfd80, 0x55f8,
+  0xfd88, 0x2037,
+  0xfd89, 0x5600,
+  0xfd8b, 0x20b3,
+  0xfd8c, 0x5602,
+  0xfd8f, 0x1f22,
+  0xfd90, 0x24ed,
+  0xfd91, 0x5605,
+  0xfd94, 0x1f34,
+  0xfd95, 0x5608,
+  0xfd9d, 0x0a02,
+  0xfd9e, 0x40d3,
+  0xfd9f, 0x200c,
+  0xfda0, 0x5083,
+  0xfe40, 0x1259,
+  0xfe41, 0x5610,
+  0xfe80, 0x564e,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBKEUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1e24, 0x032e, 0x032f, 0x0330, 0x0331, 0x0332, 0x0333, 0x0334,
+    0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033a, 0x033b, 0x033c,
+    0x033d, 0x033e, 0x033f, 0x0340, 0x0341, 0x0342, 0x0343, 0x0344,
+    0x0345, 0x0346, 0x0347, 0x0348, 0x0349, 0x034a, 0x034b, 0x034c,
+    0x034d, 0x034e, 0x034f, 0x0350, 0x0351, 0x0352, 0x0353, 0x0354,
+    0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035c,
+    0x035d, 0x035e, 0x035f, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364,
+    0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036a, 0x036b, 0x036c,
+    0x036d, 0x036e, 0x036f, 0x0370, 0x0371, 0x0372, 0x0373, 0x0374,
+    0x0375, 0x0376, 0x0377, 0x0378, 0x0379, 0x037a, 0x037b, 0x037c,
+    0x037d, 0x037e, 0x037f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384,
+    0x0385, 0x0386, 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBKEUCHMap2, 4071
+};
+
+static Gushort gb12GBKEUCVMap2[8182] = {
+  0x0000, 0x0000,
+  0x8140, 0x2758,
+  0x8179, 0x2059,
+  0x817a, 0x2791,
+  0x8180, 0x2796,
+  0x8186, 0x21f1,
+  0x8187, 0x279c,
+  0x81ed, 0x1ff2,
+  0x81ee, 0x2802,
+  0x81f6, 0x205d,
+  0x81f7, 0x280a,
+  0x8240, 0x2812,
+  0x8253, 0x269c,
+  0x8254, 0x2825,
+  0x8262, 0x21b5,
+  0x8263, 0x2833,
+  0x8274, 0x22cc,
+  0x8275, 0x2844,
+  0x827a, 0x2016,
+  0x827b, 0x2849,
+  0x827d, 0x1e62,
+  0x827e, 0x284b,
+  0x8280, 0x1f20,
+  0x8281, 0x284c,
+  0x8283, 0x207f,
+  0x8284, 0x284e,
+  0x8290, 0x205c,
+  0x8291, 0x285a,
+  0x82a5, 0x2194,
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+  0xfa4c, 0x234c,
+  0xfa4d, 0x54e2,
+  0xfa51, 0x1f44,
+  0xfa52, 0x54e6,
+  0xfa58, 0x2660,
+  0xfa59, 0x25a0,
+  0xfa5a, 0x54ec,
+  0xfa5d, 0x259c,
+  0xfa5e, 0x54ef,
+  0xfa5f, 0x259f,
+  0xfa60, 0x54f0,
+  0xfa61, 0x1f6c,
+  0xfa62, 0x54f1,
+  0xfa70, 0x25a2,
+  0xfa71, 0x54ff,
+  0xfa74, 0x20ae,
+  0xfa75, 0x5502,
+  0xfa76, 0x258b,
+  0xfa77, 0x25a3,
+  0xfa78, 0x5503,
+  0xfa80, 0x550a,
+  0xfa83, 0x2589,
+  0xfa84, 0x25a5,
+  0xfa85, 0x550d,
+  0xfa8d, 0x25a4,
+  0xfa8e, 0x5515,
+  0xfa90, 0x25a6,
+  0xfa91, 0x2593,
+  0xfa92, 0x5517,
+  0xfa96, 0x25a7,
+  0xfa97, 0x2222,
+  0xfa98, 0x25a9,
+  0xfa99, 0x551b,
+  0xfb40, 0x5523,
+  0xfb49, 0x25a8,
+  0xfb4a, 0x552c,
+  0xfb52, 0x2586,
+  0xfb53, 0x5534,
+  0xfb57, 0x25a1,
+  0xfb58, 0x25aa,
+  0xfb59, 0x5538,
+  0xfb5a, 0x2590,
+  0xfb5b, 0x258e,
+  0xfb5c, 0x5539,
+  0xfb75, 0x2688,
+  0xfb76, 0x5552,
+  0xfb79, 0x269e,
+  0xfb7a, 0x25fb,
+  0xfb7b, 0x5555,
+  0xfb7c, 0x1f8c,
+  0xfb7d, 0x21f4,
+  0xfb7e, 0x5556,
+  0xfb80, 0x5557,
+  0xfb90, 0x200f,
+  0xfb91, 0x5567,
+  0xfb9c, 0x2071,
+  0xfb9d, 0x5572,
+  0xfb9f, 0x25f7,
+  0xfba0, 0x5574,
+  0xfc40, 0x5575,
+  0xfc44, 0x2696,
+  0xfc45, 0x5579,
+  0xfc49, 0x268f,
+  0xfc4a, 0x557d,
+  0xfc5a, 0x22da,
+  0xfc5b, 0x558d,
+  0xfc63, 0x1ec1,
+  0xfc64, 0x5595,
+  0xfc68, 0x1eb3,
+  0xfc69, 0x5599,
+  0xfc6f, 0x266a,
+  0xfc70, 0x559f,
+  0xfc71, 0x268a,
+  0xfc72, 0x55a0,
+  0xfc74, 0x2669,
+  0xfc75, 0x55a2,
+  0xfc77, 0x2618,
+  0xfc79, 0x55a4,
+  0xfc80, 0x55aa,
+  0xfc83, 0x261a,
+  0xfc84, 0x55ad,
+  0xfc8a, 0x2673,
+  0xfc8b, 0x55b3,
+  0xfd40, 0x55c9,
+  0xfd52, 0x20c6,
+  0xfd53, 0x226b,
+  0xfd54, 0x55db,
+  0xfd57, 0x24d3,
+  0xfd58, 0x1e86,
+  0xfd59, 0x55de,
+  0xfd5a, 0x260f,
+  0xfd5b, 0x55df,
+  0xfd5f, 0x2611,
+  0xfd60, 0x55e3,
+  0xfd62, 0x2613,
+  0xfd63, 0x55e5,
+  0xfd65, 0x2610,
+  0xfd66, 0x2612,
+  0xfd67, 0x2030,
+  0xfd68, 0x55e7,
+  0xfd69, 0x2671,
+  0xfd6a, 0x55e8,
+  0xfd6c, 0x2614,
+  0xfd6d, 0x55ea,
+  0xfd70, 0x2616,
+  0xfd71, 0x55ed,
+  0xfd72, 0x2615,
+  0xfd73, 0x55ee,
+  0xfd78, 0x20f2,
+  0xfd79, 0x55f3,
+  0xfd7d, 0x2617,
+  0xfd7e, 0x55f7,
+  0xfd80, 0x55f8,
+  0xfd88, 0x2037,
+  0xfd89, 0x5600,
+  0xfd8b, 0x20b3,
+  0xfd8c, 0x5602,
+  0xfd8f, 0x1f22,
+  0xfd90, 0x24ed,
+  0xfd91, 0x5605,
+  0xfd94, 0x1f34,
+  0xfd95, 0x5608,
+  0xfd9d, 0x0a02,
+  0xfd9e, 0x40d3,
+  0xfd9f, 0x200c,
+  0xfda0, 0x5083,
+  0xfe40, 0x1259,
+  0xfe41, 0x5610,
+  0xfe80, 0x564e,
+  0xa1a2, 0x023f,
+  0xa1a3, 0x023e,
+  0xa1aa, 0x0256,
+  0xa1ab, 0x1e18,
+  0xa1ad, 0x0257,
+  0xa1b2, 0x0246,
+  0xa1fe, 0x1e1a,
+  0xa3a1, 0x0242,
+  0xa3a8, 0x0244,
+  0xa3ac, 0x023d,
+  0xa3ae, 0x1e1b,
+  0xa3ba, 0x0240,
+  0xa3bd, 0x1e1c,
+  0xa3bf, 0x0243,
+  0xa3db, 0x1e1d,
+  0xa3dd, 0x1e1e,
+  0xa3df, 0x0258,
+  0xa3fb, 0x0254,
+  0xa3fd, 0x0255,
+  0xa3fe, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBKEUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1e24, 0x032e, 0x032f, 0x0330, 0x0331, 0x0332, 0x0333, 0x0334,
+    0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033a, 0x033b, 0x033c,
+    0x033d, 0x033e, 0x033f, 0x0340, 0x0341, 0x0342, 0x0343, 0x0344,
+    0x0345, 0x0346, 0x0347, 0x0348, 0x0349, 0x034a, 0x034b, 0x034c,
+    0x034d, 0x034e, 0x034f, 0x0350, 0x0351, 0x0352, 0x0353, 0x0354,
+    0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035c,
+    0x035d, 0x035e, 0x035f, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364,
+    0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036a, 0x036b, 0x036c,
+    0x036d, 0x036e, 0x036f, 0x0370, 0x0371, 0x0372, 0x0373, 0x0374,
+    0x0375, 0x0376, 0x0377, 0x0378, 0x0379, 0x037a, 0x037b, 0x037c,
+    0x037d, 0x037e, 0x037f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384,
+    0x0385, 0x0386, 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBKEUCVMap2, 4091
+};
+
+static Gushort gb12GBTEUCHMap2[4566] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb0a8, 0x1e25,
+  0xb0a9, 0x03b4,
+  0xb0aa, 0x1e26,
+  0xb0ab, 0x03b6,
+  0xb0ad, 0x1e27,
+  0xb0af, 0x03ba,
+  0xb0b9, 0x1e29,
+  0xb0ba, 0x03c5,
+  0xb0c0, 0x1e2a,
+  0xb0c1, 0x03cc,
+  0xb0d3, 0x1e2b,
+  0xb0d4, 0x03df,
+  0xb0d5, 0x1e2c,
+  0xb0d6, 0x03e1,
+  0xb0da, 0x1e2d,
+  0xb0db, 0x03e6,
+  0xb0dc, 0x1e2e,
+  0xb0dd, 0x03e8,
+  0xb0e4, 0x1e2f,
+  0xb0e5, 0x03f0,
+  0xb0ec, 0x1e30,
+  0xb0ee, 0x03f9,
+  0xb0ef, 0x1e32,
+  0xb0f0, 0x03fb,
+  0xb0f3, 0x1e33,
+  0xb0f4, 0x03ff,
+  0xb0f7, 0x1e34,
+  0xb0f8, 0x0403,
+  0xb0f9, 0x1e35,
+  0xb0fa, 0x0405,
+  0xb1a1, 0x040a,
+  0xb1a5, 0x1e36,
+  0xb1a7, 0x0410,
+  0xb1a8, 0x1e38,
+  0xb1a9, 0x0412,
+  0xb1ab, 0x1e39,
+  0xb1ac, 0x0415,
+  0xb1b2, 0x1e3a,
+  0xb1b3, 0x041c,
+  0xb1b4, 0x1e3b,
+  0xb1b6, 0x041f,
+  0xb1b7, 0x1e3d,
+  0xb1ba, 0x0423,
+  0xb1c1, 0x1e40,
+  0xb1c2, 0x042b,
+  0xb1ca, 0x1e41,
+  0xb1cb, 0x0434,
+  0xb1cf, 0x1e42,
+  0xb1d1, 0x043a,
+  0xb1d2, 0x1e44,
+  0xb1d3, 0x043c,
+  0xb1d5, 0x1e45,
+  0xb1d6, 0x043f,
+  0xb1df, 0x1e46,
+  0xb1e2, 0x044b,
+  0xb1e4, 0x1e49,
+  0xb1e5, 0x044e,
+  0xb1e7, 0x1e4a,
+  0xb1e9, 0x0452,
+  0xb1ea, 0x1e4c,
+  0xb1eb, 0x0454,
+  0xb1ee, 0x1e4d,
+  0xb1ef, 0x0458,
+  0xb1f1, 0x1e4e,
+  0xb1f2, 0x045b,
+  0xb1f4, 0x1e4f,
+  0xb1f8, 0x0461,
+  0xb1fd, 0x1e53,
+  0xb1fe, 0x0467,
+  0xb2a1, 0x0468,
+  0xb2a6, 0x1e54,
+  0xb2a8, 0x046f,
+  0xb2ac, 0x1e56,
+  0xb2ad, 0x0474,
+  0xb2b5, 0x1e57,
+  0xb2b6, 0x047d,
+  0xb2b9, 0x1e58,
+  0xb2ba, 0x0481,
+  0xb2c6, 0x1e59,
+  0xb2c7, 0x048e,
+  0xb2ce, 0x1e5a,
+  0xb2d8, 0x049f,
+  0xb2de, 0x1e64,
+  0xb2df, 0x04a6,
+  0xb2e0, 0x1e65,
+  0xb2e1, 0x04a8,
+  0xb2e2, 0x1e66,
+  0xb2e4, 0x04ab,
+  0xb2ef, 0x1e68,
+  0xb2f0, 0x04b7,
+  0xb2f3, 0x1e69,
+  0xb2fd, 0x04c4,
+  0xb3a1, 0x1e73,
+  0xb3a3, 0x04c8,
+  0xb3a4, 0x1e75,
+  0xb3a8, 0x04cd,
+  0xb3a9, 0x1e79,
+  0xb3aa, 0x04cf,
+  0xb3ae, 0x1e7a,
+  0xb3af, 0x04d4,
+  0xb3b5, 0x1e7b,
+  0xb3b6, 0x04db,
+  0xb3b9, 0x1e7c,
+  0xb3ba, 0x04df,
+  0xb3be, 0x1e7d,
+  0xb3bf, 0x04e4,
+  0xb3c2, 0x1e7e,
+  0xb3c3, 0x04e8,
+  0xb3c4, 0x1e7f,
+  0xb3c5, 0x04ea,
+  0xb3c6, 0x1e80,
+  0xb3c7, 0x04ec,
+  0xb3cd, 0x1e81,
+  0xb3ce, 0x04f3,
+  0xb3cf, 0x1e82,
+  0xb3d0, 0x04f5,
+  0xb3d2, 0x1e83,
+  0xb3d3, 0x04f8,
+  0xb3d9, 0x1e84,
+  0xb3da, 0x04ff,
+  0xb3db, 0x1e85,
+  0xb3dc, 0x0501,
+  0xb3dd, 0x1e86,
+  0xb3de, 0x0503,
+  0xb3e3, 0x1e87,
+  0xb3e4, 0x0509,
+  0xb3e5, 0x1e88,
+  0xb3e7, 0x050c,
+  0xb3e8, 0x1e8a,
+  0xb3e9, 0x050e,
+  0xb3eb, 0x1e8b,
+  0xb3ed, 0x0512,
+  0xb3ef, 0x1e8d,
+  0xb3f0, 0x0515,
+  0xb3f1, 0x1e8e,
+  0xb3f2, 0x0517,
+  0xb3f3, 0x1e8f,
+  0xb3f4, 0x0519,
+  0xb3fa, 0x1e90,
+  0xb3fc, 0x0521,
+  0xb4a1, 0x1e92,
+  0xb4a3, 0x0526,
+  0xb4a5, 0x1e94,
+  0xb4a7, 0x052a,
+  0xb4ab, 0x1e96,
+  0xb4ac, 0x052f,
+  0xb4af, 0x1e97,
+  0xb4b0, 0x0533,
+  0xb4b3, 0x1e98,
+  0xb4b5, 0x0538,
+  0xb4b8, 0x1e9a,
+  0xb4b9, 0x053c,
+  0xb4bf, 0x1e9b,
+  0xb4c0, 0x0543,
+  0xb4c2, 0x1e9c,
+  0xb4c3, 0x0546,
+  0xb4c7, 0x1e9d,
+  0xb4c8, 0x054b,
+  0xb4ca, 0x1e9e,
+  0xb4cb, 0x054e,
+  0xb4cd, 0x1e9f,
+  0xb4ce, 0x0551,
+  0xb4cf, 0x1ea0,
+  0xb4d0, 0x0553,
+  0xb4d3, 0x1ea1,
+  0xb4d5, 0x0558,
+  0xb4da, 0x1ea3,
+  0xb4db, 0x055e,
+  0xb4dc, 0x1ea4,
+  0xb4dd, 0x0560,
+  0xb4ed, 0x1ea5,
+  0xb4ee, 0x0571,
+  0xb4ef, 0x1ea6,
+  0xb4f0, 0x0573,
+  0xb4f8, 0x1ea7,
+  0xb4f9, 0x057c,
+  0xb4fb, 0x1ea8,
+  0xb4fc, 0x057f,
+  0xb5a1, 0x0582,
+  0xb5a3, 0x1ea9,
+  0xb5a4, 0x0585,
+  0xb5a5, 0x1eaa,
+  0xb5a9, 0x058a,
+  0xb5ac, 0x1eae,
+  0xb5ad, 0x058e,
+  0xb5ae, 0x1eaf,
+  0xb5b0, 0x0591,
+  0xb5b1, 0x1eb1,
+  0xb5b6, 0x0597,
+  0xb5b7, 0x1eb6,
+  0xb5b8, 0x0599,
+  0xb5ba, 0x1eb7,
+  0xb5bd, 0x059e,
+  0xb5c6, 0x1eba,
+  0xb5c7, 0x05a8,
+  0xb5cb, 0x1ebb,
+  0xb5cc, 0x05ad,
+  0xb5d0, 0x1ebc,
+  0xb5d1, 0x05b2,
+  0xb5d3, 0x1ebd,
+  0xb5d4, 0x05b5,
+  0xb5dd, 0x1ebe,
+  0xb5e0, 0x05c1,
+  0xb5e3, 0x1ec1,
+  0xb5e4, 0x05c5,
+  0xb5e6, 0x1ec2,
+  0xb5e8, 0x05c9,
+  0xb5ed, 0x1ec4,
+  0xb5ee, 0x05cf,
+  0xb5f6, 0x1ec5,
+  0xb5f8, 0x05d9,
+  0xb5fd, 0x1ec7,
+  0xb5fe, 0x05df,
+  0xb6a1, 0x05e0,
+  0xb6a4, 0x1ec8,
+  0xb6a6, 0x05e5,
+  0xb6a7, 0x1eca,
+  0xb6a8, 0x05e7,
+  0xb6a9, 0x1ecb,
+  0xb6aa, 0x05e9,
+  0xb6ab, 0x1ecc,
+  0xb6ac, 0x05eb,
+  0xb6af, 0x1ecd,
+  0xb6b1, 0x05f0,
+  0xb6b3, 0x1ecf,
+  0xb6b4, 0x05f3,
+  0xb6b7, 0x1ed0,
+  0xb6b8, 0x05f7,
+  0xb6bf, 0x1ed1,
+  0xb6c2, 0x0601,
+  0xb6c4, 0x1ed4,
+  0xb6c5, 0x0604,
+  0xb6c6, 0x1ed5,
+  0xb6c7, 0x0606,
+  0xb6cd, 0x1ed6,
+  0xb6ce, 0x060d,
+  0xb6cf, 0x1ed7,
+  0xb6d1, 0x0610,
+  0xb6d3, 0x1ed9,
+  0xb6d5, 0x0614,
+  0xb6d6, 0x1edb,
+  0xb6d7, 0x0616,
+  0xb6d9, 0x1edc,
+  0xb6da, 0x0619,
+  0xb6db, 0x1edd,
+  0xb6dc, 0x061b,
+  0xb6e1, 0x1ede,
+  0xb6e2, 0x0621,
+  0xb6e9, 0x1edf,
+  0xb6ea, 0x0629,
+  0xb6ec, 0x1ee0,
+  0xb6ed, 0x062c,
+  0xb6ee, 0x1ee1,
+  0xb6f0, 0x062f,
+  0xb6f1, 0x1ee3,
+  0xb6f2, 0x0631,
+  0xb6f6, 0x1ee4,
+  0xb6f7, 0x0636,
+  0xb6f9, 0x1ee5,
+  0xb6fa, 0x0639,
+  0xb6fb, 0x1ee6,
+  0xb6fd, 0x063c,
+  0xb7a1, 0x1ee8,
+  0xb7a4, 0x0641,
+  0xb7a7, 0x1eeb,
+  0xb7a8, 0x0645,
+  0xb7af, 0x1eec,
+  0xb7b1, 0x064e,
+  0xb7b3, 0x1eee,
+  0xb7b4, 0x0651,
+  0xb7b6, 0x1eef,
+  0xb7b8, 0x0655,
+  0xb7b9, 0x1ef1,
+  0xb7ba, 0x0657,
+  0xb7c3, 0x1ef2,
+  0xb7c5, 0x0662,
+  0xb7c9, 0x1ef4,
+  0xb7ca, 0x0667,
+  0xb7cc, 0x1ef5,
+  0xb7cd, 0x066a,
+  0xb7cf, 0x1ef6,
+  0xb7d0, 0x066d,
+  0xb7d1, 0x1ef7,
+  0xb7d2, 0x066f,
+  0xb7d7, 0x1ef8,
+  0xb7d9, 0x0676,
+  0xb7dc, 0x1efa,
+  0xb7dd, 0x067a,
+  0xb7df, 0x1efb,
+  0xb7e2, 0x067f,
+  0xb7e3, 0x1efe,
+  0xb7e4, 0x0681,
+  0xb7e6, 0x1eff,
+  0xb7e9, 0x0686,
+  0xb7eb, 0x1f02,
+  0xb7ee, 0x068b,
+  0xb7ef, 0x1f05,
+  0xb7f0, 0x068d,
+  0xb7f4, 0x1f06,
+  0xb7f5, 0x0692,
+  0xb7f8, 0x1f07,
+  0xb7f9, 0x0696,
+  0xb8a1, 0x069c,
+  0xb8a7, 0x1f08,
+  0xb8a9, 0x06a4,
+  0xb8b3, 0x1f0a,
+  0xb8b5, 0x06b0,
+  0xb8ba, 0x1f0c,
+  0xb8bb, 0x06b6,
+  0xb8bc, 0x1f0d,
+  0xb8bd, 0x06b8,
+  0xb8be, 0x1f0e,
+  0xb8c0, 0x06bb,
+  0xb8c3, 0x1f10,
+  0xb8c4, 0x06bf,
+  0xb8c6, 0x1f11,
+  0xb8c8, 0x06c3,
+  0xb8c9, 0x1f13,
+  0xb8ca, 0x06c5,
+  0xb8cf, 0x1f14,
+  0xb8d0, 0x06cb,
+  0xb8d3, 0x1f15,
+  0xb8d7, 0x06d2,
+  0xb8d9, 0x1f19,
+  0xb8db, 0x06d6,
+  0xb8e4, 0x1f1b,
+  0xb8e5, 0x06e0,
+  0xb8e9, 0x1f1c,
+  0xb8ea, 0x06e5,
+  0xb8eb, 0x1f1d,
+  0xb8ec, 0x06e7,
+  0xb8f3, 0x1f1e,
+  0xb8f4, 0x06ef,
+  0xb8f5, 0x1f1f,
+  0xb8f7, 0x06f2,
+  0xb8f8, 0x1f21,
+  0xb8f9, 0x06f4,
+  0xb9a1, 0x06fa,
+  0xb9a8, 0x1f22,
+  0xb9a9, 0x0702,
+  0xb9ae, 0x1f23,
+  0xb9af, 0x0708,
+  0xb9b1, 0x1f24,
+  0xb9b2, 0x070b,
+  0xb9b3, 0x1f25,
+  0xb9b4, 0x070d,
+  0xb9b5, 0x1f26,
+  0xb9b6, 0x070f,
+  0xb9b9, 0x1f27,
+  0xb9bb, 0x0714,
+  0xb9c6, 0x1f29,
+  0xb9c7, 0x0720,
+  0xb9cb, 0x1f2a,
+  0xb9cc, 0x0725,
+  0xb9d0, 0x1f2b,
+  0xb9d1, 0x072a,
+  0xb9d8, 0x1f2c,
+  0xb9d9, 0x0732,
+  0xb9db, 0x1f2d,
+  0xb9dc, 0x0735,
+  0xb9dd, 0x1f2e,
+  0xb9de, 0x0737,
+  0xb9df, 0x1f2f,
+  0xb9e0, 0x0739,
+  0xb9e1, 0x1f30,
+  0xb9e2, 0x073b,
+  0xb9e3, 0x1f31,
+  0xb9e4, 0x073d,
+  0xb9e6, 0x1f32,
+  0xb9e7, 0x0740,
+  0xb9e9, 0x1f33,
+  0xb9ed, 0x0746,
+  0xb9ee, 0x1f37,
+  0xb9ef, 0x0748,
+  0xb9f1, 0x1f38,
+  0xb9f2, 0x074b,
+  0xb9f3, 0x1f39,
+  0xb9f6, 0x074f,
+  0xb9f8, 0x1f3c,
+  0xb9f9, 0x0752,
+  0xb9fa, 0x1f3d,
+  0xb9fb, 0x0754,
+  0xb9fd, 0x1f3e,
+  0xb9fe, 0x0757,
+  0xbaa1, 0x0758,
+  0xbaa7, 0x1f3f,
+  0xbaa8, 0x075f,
+  0xbaab, 0x1f40,
+  0xbaac, 0x0763,
+  0xbaba, 0x1f41,
+  0xbabb, 0x0772,
+  0xbac5, 0x1f42,
+  0xbac6, 0x077d,
+  0xbad2, 0x1f43,
+  0xbad3, 0x078a,
+  0xbad7, 0x1f44,
+  0xbad9, 0x0790,
+  0xbae4, 0x1f46,
+  0xbae5, 0x079c,
+  0xbae8, 0x1f47,
+  0xbae9, 0x07a0,
+  0xbaec, 0x1f48,
+  0xbaed, 0x07a4,
+  0xbaf3, 0x15e5,
+  0xbaf4, 0x07ab,
+  0xbaf8, 0x1f49,
+  0xbaf9, 0x07b0,
+  0xbba1, 0x07b6,
+  0xbba4, 0x1f4a,
+  0xbba5, 0x07ba,
+  0xbba6, 0x1f4b,
+  0xbba7, 0x07bc,
+  0xbba9, 0x1f4c,
+  0xbbab, 0x07c0,
+  0xbbad, 0x1f4e,
+  0xbbaf, 0x07c4,
+  0xbbb0, 0x1f50,
+  0xbbb1, 0x07c6,
+  0xbbb3, 0x1f51,
+  0xbbb4, 0x07c9,
+  0xbbb5, 0x1f52,
+  0xbbb8, 0x07cd,
+  0xbbb9, 0x1f55,
+  0xbbbb, 0x07d0,
+  0xbbd1, 0x1f57,
+  0xbbd2, 0x07e7,
+  0xbbd3, 0x1f58,
+  0xbbd5, 0x07ea,
+  0xbbdf, 0x1f5a,
+  0xbbe8, 0x07fd,
+  0xbbeb, 0x1f63,
+  0xbbec, 0x0801,
+  0xbbf1, 0x1f64,
+  0xbbf2, 0x0807,
+  0xbbf5, 0x1f65,
+  0xbbf8, 0x080d,
+  0xbbfa, 0x1f68,
+  0xbbfb, 0x0810,
+  0xbbfd, 0x1f69,
+  0xbbfe, 0x0813,
+  0xbca1, 0x0814,
+  0xbca2, 0x1f6a,
+  0xbca3, 0x0816,
+  0xbca5, 0x1f6b,
+  0xbca7, 0x081a,
+  0xbca8, 0x1f6d,
+  0xbcaa, 0x081d,
+  0xbcab, 0x1f6f,
+  0xbcac, 0x081f,
+  0xbcad, 0x1f70,
+  0xbcae, 0x0821,
+  0xbcb6, 0x1f71,
+  0xbcb9, 0x082c,
+  0xbcbb, 0x1f74,
+  0xbcbc, 0x082f,
+  0xbcc1, 0x1f75,
+  0xbcc2, 0x0835,
+  0xbcc3, 0x1f76,
+  0xbcc4, 0x0837,
+  0xbcc6, 0x1f77,
+  0xbcc8, 0x083b,
+  0xbcca, 0x1f79,
+  0xbccb, 0x083e,
+  0xbccc, 0x1f7a,
+  0xbcce, 0x0841,
+  0xbcd0, 0x1f7c,
+  0xbcd1, 0x0844,
+  0xbcd4, 0x1f7d,
+  0xbcd7, 0x084a,
+  0xbcd8, 0x1f80,
+  0xbcd9, 0x084c,
+  0xbcdb, 0x1f81,
+  0xbcdc, 0x084f,
+  0xbcdd, 0x1f82,
+  0xbcde, 0x0851,
+  0xbcdf, 0x1f83,
+  0xbce2, 0x0855,
+  0xbce3, 0x1f86,
+  0xbce5, 0x0858,
+  0xbce8, 0x1f88,
+  0xbce9, 0x085c,
+  0xbcea, 0x1f89,
+  0xbced, 0x0860,
+  0xbcef, 0x1f8c,
+  0xbcf4, 0x0867,
+  0xbcf6, 0x1f91,
+  0xbcfd, 0x0870,
+  0xbda1, 0x0872,
+  0xbda2, 0x1f98,
+  0xbda8, 0x0879,
+  0xbdab, 0x1f9e,
+  0xbdad, 0x087e,
+  0xbdaf, 0x1fa0,
+  0xbdb3, 0x0884,
+  0xbdb4, 0x1fa4,
+  0xbdb5, 0x0886,
+  0xbdba, 0x1fa5,
+  0xbdbb, 0x088c,
+  0xbdbd, 0x1fa6,
+  0xbdc0, 0x0891,
+  0xbdc1, 0x1fa9,
+  0xbdc5, 0x0896,
+  0xbdc8, 0x1fad,
+  0xbdcb, 0x089c,
+  0xbdce, 0x1fb0,
+  0xbdd0, 0x08a1,
+  0xbdd7, 0x1fb2,
+  0xbdd8, 0x08a9,
+  0xbdda, 0x1fb3,
+  0xbddb, 0x08ac,
+  0xbde0, 0x1fb4,
+  0xbde2, 0x08b3,
+  0xbdeb, 0x1fb6,
+  0xbdec, 0x08bd,
+  0xbdf4, 0x1fb7,
+  0xbdf9, 0x08ca,
+  0xbdfd, 0x1fbc,
+  0xbdfe, 0x08cf,
+  0xbea1, 0x1fbd,
+  0xbea3, 0x08d2,
+  0xbea5, 0x1fbf,
+  0xbea6, 0x08d5,
+  0xbea8, 0x1fc0,
+  0xbea9, 0x08d8,
+  0xbeaa, 0x1fc1,
+  0xbeab, 0x08da,
+  0xbead, 0x1fc2,
+  0xbeae, 0x08dd,
+  0xbeb1, 0x1fc3,
+  0xbeb2, 0x08e1,
+  0xbeb5, 0x1fc4,
+  0xbeb8, 0x08e7,
+  0xbeba, 0x1fc7,
+  0xbebb, 0x08ea,
+  0xbec0, 0x1fc8,
+  0xbec1, 0x08f0,
+  0xbec9, 0x1fc9,
+  0xbeca, 0x08f9,
+  0xbed4, 0x1fca,
+  0xbed5, 0x0904,
+  0xbed9, 0x1fcb,
+  0xbeda, 0x0909,
+  0xbedd, 0x1fcc,
+  0xbede, 0x090d,
+  0xbee2, 0x1fcd,
+  0xbee3, 0x0912,
+  0xbee5, 0x1fce,
+  0xbee6, 0x0915,
+  0xbee7, 0x1fcf,
+  0xbee8, 0x0917,
+  0xbee9, 0x1fd0,
+  0xbeea, 0x0919,
+  0xbeee, 0x1fd1,
+  0xbeef, 0x091e,
+  0xbef5, 0x1fd2,
+  0xbef6, 0x0925,
+  0xbef7, 0x1fd3,
+  0xbef9, 0x0928,
+  0xbefb, 0x1fd5,
+  0xbefd, 0x092c,
+  0xbfa1, 0x092e,
+  0xbfa5, 0x1fd7,
+  0xbfa6, 0x0933,
+  0xbfaa, 0x1fd8,
+  0xbfab, 0x0938,
+  0xbfad, 0x1fd9,
+  0xbfae, 0x093b,
+  0xbfc5, 0x1fda,
+  0xbfc6, 0x0953,
+  0xbfc7, 0x1fdb,
+  0xbfc8, 0x0955,
+  0xbfce, 0x1fdc,
+  0xbfcf, 0x095c,
+  0xbfd1, 0x1fdd,
+  0xbfd3, 0x0960,
+  0xbfd9, 0x1fdf,
+  0xbfda, 0x0967,
+  0xbfe2, 0x1fe0,
+  0xbfe5, 0x0972,
+  0xbfe9, 0x1fe3,
+  0xbfea, 0x0977,
+  0xbfeb, 0x1fe4,
+  0xbfec, 0x0979,
+  0xbfed, 0x1fe5,
+  0xbfee, 0x097b,
+  0xbff3, 0x1fe6,
+  0xbff4, 0x0981,
+  0xbff5, 0x1fe7,
+  0xbff6, 0x0983,
+  0xbff7, 0x1fe8,
+  0xbff8, 0x0985,
+  0xbff9, 0x1fe9,
+  0xbffb, 0x0988,
+  0xc0a1, 0x1feb,
+  0xc0a2, 0x098d,
+  0xc0a3, 0x1fec,
+  0xc0a4, 0x098f,
+  0xc0a9, 0x1fed,
+  0xc0aa, 0x0995,
+  0xc0ab, 0x1fee,
+  0xc0ac, 0x0997,
+  0xc0af, 0x1fef,
+  0xc0b1, 0x099c,
+  0xc0b3, 0x1ff1,
+  0xc0b7, 0x09a2,
+  0xc0b8, 0x1ff5,
+  0xc0c5, 0x09b0,
+  0xc0cc, 0x2002,
+  0xc0ce, 0x09b9,
+  0xc0d4, 0x2004,
+  0xc0d5, 0x09c0,
+  0xc0d6, 0x2005,
+  0xc0d7, 0x09c2,
+  0xc0d8, 0x2006,
+  0xc0d9, 0x09c4,
+  0xc0dd, 0x2007,
+  0xc0de, 0x09c9,
+  0xc0e0, 0x2008,
+  0xc0e1, 0x09cc,
+  0xc0e9, 0x2009,
+  0xc0ea, 0x09d5,
+  0xc0eb, 0x200a,
+  0xc0ed, 0x09d8,
+  0xc0ef, 0x200c,
+  0xc0f2, 0x09dd,
+  0xc0f6, 0x200f,
+  0xc0fb, 0x09e6,
+  0xc1a1, 0x09ea,
+  0xc1a4, 0x2014,
+  0xc1a6, 0x09ef,
+  0xc1a9, 0x2016,
+  0xc1ae, 0x09f7,
+  0xc1af, 0x201b,
+  0xc1b9, 0x0a02,
+  0xc1bd, 0x2025,
+  0xc1bf, 0x0a08,
+  0xc1c2, 0x2027,
+  0xc1c3, 0x0a0c,
+  0xc1c6, 0x2028,
+  0xc1c7, 0x0a10,
+  0xc1c9, 0x2029,
+  0xc1ca, 0x0a13,
+  0xc1cd, 0x202a,
+  0xc1ce, 0x0a17,
+  0xc1d4, 0x202b,
+  0xc1d5, 0x0a1e,
+  0xc1d9, 0x202c,
+  0xc1dc, 0x0a25,
+  0xc1de, 0x202f,
+  0xc1df, 0x0a28,
+  0xc1e4, 0x2030,
+  0xc1e6, 0x0a2f,
+  0xc1e9, 0x2032,
+  0xc1ea, 0x0a33,
+  0xc1eb, 0x2033,
+  0xc1ed, 0x0a36,
+  0xc1f3, 0x2035,
+  0xc1f4, 0x0a3d,
+  0xc1f5, 0x2036,
+  0xc1f6, 0x0a3f,
+  0xc1fa, 0x2037,
+  0xc1fe, 0x0a47,
+  0xc2a1, 0x0a48,
+  0xc2a2, 0x203b,
+  0xc2a9, 0x0a50,
+  0xc2ab, 0x2042,
+  0xc2b4, 0x0a5b,
+  0xc2b8, 0x204b,
+  0xc2b9, 0x0a60,
+  0xc2bc, 0x204c,
+  0xc2be, 0x0a65,
+  0xc2bf, 0x204e,
+  0xc2c0, 0x0a67,
+  0xc2c1, 0x204f,
+  0xc2c2, 0x0a69,
+  0xc2c5, 0x2050,
+  0xc2c8, 0x0a6f,
+  0xc2cb, 0x2053,
+  0xc2d1, 0x0a78,
+  0xc2d2, 0x2059,
+  0xc2d3, 0x0a7a,
+  0xc2d5, 0x205a,
+  0xc2dd, 0x0a84,
+  0xc2de, 0x2062,
+  0xc2e3, 0x0a8a,
+  0xc2e6, 0x2067,
+  0xc2e9, 0x0a90,
+  0xc2ea, 0x206a,
+  0xc2ef, 0x0a96,
+  0xc2f0, 0x206f,
+  0xc2f1, 0x0a98,
+  0xc2f2, 0x2070,
+  0xc2f6, 0x0a9d,
+  0xc2f7, 0x2074,
+  0xc2fb, 0x0aa2,
+  0xc3a1, 0x2078,
+  0xc3a2, 0x0aa7,
+  0xc3aa, 0x2079,
+  0xc3ab, 0x0ab0,
+  0xc3ad, 0x207a,
+  0xc3ae, 0x0ab3,
+  0xc3b3, 0x207b,
+  0xc3b4, 0x1df9,
+  0xc3b5, 0x0aba,
+  0xc3be, 0x207c,
+  0xc3bf, 0x0ac4,
+  0xc3c5, 0x207d,
+  0xc3c8, 0x0acd,
+  0xc3cc, 0x2080,
+  0xc3cd, 0x0ad2,
+  0xc3ce, 0x2081,
+  0xc3cf, 0x0ad4,
+  0xc3d5, 0x2082,
+  0xc3d7, 0x0adc,
+  0xc3d9, 0x2084,
+  0xc3da, 0x0adf,
+  0xc3e0, 0x2085,
+  0xc3e1, 0x0ae6,
+  0xc3e5, 0x2086,
+  0xc3e6, 0x0aeb,
+  0xc3ed, 0x2087,
+  0xc3ee, 0x0af3,
+  0xc3f0, 0x2088,
+  0xc3f1, 0x0af6,
+  0xc3f5, 0x2089,
+  0xc3f7, 0x0afc,
+  0xc3f9, 0x208b,
+  0xc3fb, 0x0b00,
+  0xc3fd, 0x208d,
+  0xc3fe, 0x0b03,
+  0xc4a1, 0x0b04,
+  0xc4b1, 0x208e,
+  0xc4b2, 0x0b15,
+  0xc4b6, 0x208f,
+  0xc4b7, 0x0b1a,
+  0xc4c6, 0x2090,
+  0xc4c7, 0x0b2a,
+  0xc4c9, 0x2091,
+  0xc4ca, 0x0b2d,
+  0xc4d1, 0x2092,
+  0xc4d2, 0x0b35,
+  0xc4d3, 0x2093,
+  0xc4d7, 0x0b3a,
+  0xc4d9, 0x2097,
+  0xc4da, 0x0b3d,
+  0xc4e2, 0x2098,
+  0xc4e3, 0x0b46,
+  0xc4e5, 0x2099,
+  0xc4e6, 0x0b49,
+  0xc4ec, 0x209a,
+  0xc4ed, 0x0b50,
+  0xc4f0, 0x209b,
+  0xc4f2, 0x0b55,
+  0xc4f4, 0x209d,
+  0xc4f5, 0x0b58,
+  0xc4f6, 0x209e,
+  0xc4f9, 0x0b5c,
+  0xc4fb, 0x20a1,
+  0xc4fd, 0x0b60,
+  0xc4fe, 0x20a3,
+  0xc5a1, 0x20a4,
+  0xc5a3, 0x0b64,
+  0xc5a5, 0x20a6,
+  0xc5aa, 0x0b6b,
+  0xc5b1, 0x20ab,
+  0xc5b2, 0x0b73,
+  0xc5b5, 0x20ac,
+  0xc5b6, 0x0b77,
+  0xc5b7, 0x20ad,
+  0xc5ba, 0x0b7b,
+  0xc5bb, 0x20b0,
+  0xc5bc, 0x0b7d,
+  0xc5bd, 0x20b1,
+  0xc5be, 0x0b7f,
+  0xc5cc, 0x20b2,
+  0xc5cd, 0x0b8e,
+  0xc5d3, 0x20b3,
+  0xc5d4, 0x0b95,
+  0xc5e2, 0x20b4,
+  0xc5e3, 0x0ba4,
+  0xc5e7, 0x20b5,
+  0xc5e8, 0x0ba9,
+  0xc5f4, 0x20b6,
+  0xc5f5, 0x0bb6,
+  0xc6a1, 0x0bc0,
+  0xc6ad, 0x20b7,
+  0xc6af, 0x0bce,
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+  0xd4a9, 0x10ec,
+  0xd4af, 0x2245,
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+  0xe9a2, 0x1896,
+  0xe9ad, 0x247e,
+  0xe9ae, 0x18a2,
+  0xe9b4, 0x247f,
+  0xe9b6, 0x18aa,
+  0xe9b7, 0x2481,
+  0xe9b8, 0x18ac,
+  0xe9c4, 0x2482,
+  0xe9c5, 0x18b9,
+  0xe9c6, 0x2483,
+  0xe9c7, 0x18bb,
+  0xe9c9, 0x2484,
+  0xe9ca, 0x18be,
+  0xe9d6, 0x2485,
+  0xe9d7, 0x18cb,
+  0xe9da, 0x2486,
+  0xe9db, 0x18cf,
+  0xe9e4, 0x2487,
+  0xe9e5, 0x18d9,
+  0xe9e6, 0x2488,
+  0xe9e8, 0x18dc,
+  0xe9e9, 0x248a,
+  0xe9ea, 0x18de,
+  0xe9eb, 0x248b,
+  0xe9ec, 0x18e0,
+  0xe9ed, 0x248c,
+  0xeaa1, 0x249e,
+  0xeaa6, 0x18f8,
+  0xeaa7, 0x24a3,
+  0xeaa9, 0x18fb,
+  0xeab1, 0x24a5,
+  0xeab2, 0x1904,
+  0xeabc, 0x24a6,
+  0xeabd, 0x190f,
+  0xeaca, 0x24a7,
+  0xeacb, 0x191d,
+  0xeacd, 0x24a8,
+  0xeace, 0x1920,
+  0xead3, 0x24a9,
+  0xead4, 0x1926,
+  0xeada, 0x24aa,
+  0xeaf0, 0x1942,
+  0xeba1, 0x1951,
+  0xeba7, 0x24c0,
+  0xeba8, 0x1958,
+  0xebaa, 0x24c1,
+  0xebab, 0x195b,
+  0xebb2, 0x24c2,
+  0xebb3, 0x1963,
+  0xebb9, 0x24c3,
+  0xebba, 0x196a,
+  0xebca, 0x24c4,
+  0xebcc, 0x197c,
+  0xebcd, 0x24c6,
+  0xebce, 0x197e,
+  0xebd6, 0x24c7,
+  0xebd7, 0x1987,
+  0xebda, 0x24c8,
+  0xebdb, 0x198b,
+  0xebe1, 0x24c9,
+  0xebe2, 0x1992,
+  0xebf7, 0x24ca,
+  0xebf8, 0x19a8,
+  0xeca1, 0x19af,
+  0xeca3, 0x24cb,
+  0xeca4, 0x19b2,
+  0xeca9, 0x24cc,
+  0xecaf, 0x19bd,
+  0xecb1, 0x24d2,
+  0xecb2, 0x19c0,
+  0xecb4, 0x24d3,
+  0xecb6, 0x19c4,
+  0xecbe, 0x24d5,
+  0xecc0, 0x19ce,
+  0xecc1, 0x24d7,
+  0xecc2, 0x19d0,
+  0xecc7, 0x24d8,
+  0xecc8, 0x19d6,
+  0xeccb, 0x24d9,
+  0xeccc, 0x19da,
+  0xece2, 0x24da,
+  0xece3, 0x19f1,
+  0xecf2, 0x24db,
+  0xecf3, 0x1a01,
+  0xecf5, 0x24dc,
+  0xecf6, 0x1a04,
+  0xecf8, 0x24dd,
+  0xecf9, 0x1a07,
+  0xeda1, 0x24de,
+  0xeda2, 0x1a0e,
+  0xeda8, 0x24df,
+  0xeda9, 0x1a15,
+  0xedaf, 0x24e0,
+  0xedb1, 0x1a1d,
+  0xedb4, 0x24e2,
+  0xedb5, 0x1a21,
+  0xedb6, 0x24e3,
+  0xedb7, 0x1a23,
+  0xedb8, 0x24e4,
+  0xedb9, 0x1a25,
+  0xedba, 0x24e5,
+  0xedbb, 0x1a27,
+  0xedbf, 0x24e6,
+  0xedc0, 0x1a2c,
+  0xedc2, 0x24e7,
+  0xedc4, 0x1a30,
+  0xedcc, 0x24e9,
+  0xedce, 0x1a3a,
+  0xedd3, 0x24eb,
+  0xedd4, 0x1a40,
+  0xedd7, 0x24ec,
+  0xedd8, 0x1a44,
+  0xede8, 0x24ed,
+  0xede9, 0x1a55,
+  0xedee, 0x24ee,
+  0xedef, 0x1a5b,
+  0xedf9, 0x24ef,
+  0xedfb, 0x1a67,
+  0xeea1, 0x1a6b,
+  0xeebc, 0x24f1,
+  0xeebd, 0x1a87,
+  0xeebf, 0x24f2,
+  0xeec0, 0x1a8a,
+  0xeec4, 0x24f3,
+  0xefa1, 0x252e,
+  0xeff2, 0x1b1a,
+  0xf0a1, 0x1b27,
+  0xf0a3, 0x257f,
+  0xf0a4, 0x1b2a,
+  0xf0af, 0x2580,
+  0xf0da, 0x1b60,
+  0xf0dc, 0x25ab,
+  0xf0de, 0x1b64,
+  0xf0df, 0x25ad,
+  0xf0e0, 0x1b66,
+  0xf0e9, 0x25ae,
+  0xf0ea, 0x1b70,
+  0xf0ec, 0x25af,
+  0xf0ed, 0x1b73,
+  0xf0ef, 0x25b0,
+  0xf0f0, 0x1b76,
+  0xf0f7, 0x25b1,
+  0xf0f8, 0x1b7e,
+  0xf0f9, 0x25b2,
+  0xf0fa, 0x1b80,
+  0xf0fc, 0x25b3,
+  0xf0fd, 0x1b83,
+  0xf1a1, 0x1b85,
+  0xf1a8, 0x25b4,
+  0xf1a9, 0x1b8d,
+  0xf1ab, 0x25b5,
+  0xf1ac, 0x1b90,
+  0xf1ae, 0x25b6,
+  0xf1af, 0x1b93,
+  0xf1b2, 0x25b7,
+  0xf1b3, 0x1b97,
+  0xf1bc, 0x25b8,
+  0xf1bd, 0x1ba1,
+  0xf1c0, 0x25b9,
+  0xf1c1, 0x1ba5,
+  0xf1c9, 0x25ba,
+  0xf1ca, 0x1bae,
+  0xf1cd, 0x25bb,
+  0xf1ce, 0x1bb2,
+  0xf1cf, 0x25bc,
+  0xf1d1, 0x1bb5,
+  0xf1da, 0x25be,
+  0xf1db, 0x1bbf,
+  0xf1dc, 0x25bf,
+  0xf1dd, 0x1bc1,
+  0xf1e4, 0x25c0,
+  0xf1e5, 0x1bc9,
+  0xf1ec, 0x25c1,
+  0xf1ed, 0x1bd1,
+  0xf1ef, 0x25c2,
+  0xf1f0, 0x1bd4,
+  0xf1f7, 0x25c3,
+  0xf1f8, 0x1bdc,
+  0xf1f9, 0x25c4,
+  0xf1fa, 0x1bde,
+  0xf1fc, 0x25c5,
+  0xf2a1, 0x25c8,
+  0xf2ae, 0x1bf0,
+  0xf2b1, 0x25d5,
+  0xf2b3, 0x1bf5,
+  0xf2b9, 0x25d7,
+  0xf2ba, 0x1bfc,
+  0xf2c3, 0x25d8,
+  0xf2c4, 0x1c06,
+  0xf2c9, 0x25d9,
+  0xf2ca, 0x1c0c,
+  0xf2cc, 0x25da,
+  0xf2ce, 0x1c10,
+  0xf2cf, 0x25dc,
+  0xf2d0, 0x1c12,
+  0xf2d3, 0x25dd,
+  0xf2d4, 0x1c16,
+  0xf2e5, 0x25de,
+  0xf2e6, 0x1c28,
+  0xf2ee, 0x25df,
+  0xf2ef, 0x1c31,
+  0xf2f7, 0x25e0,
+  0xf2f8, 0x1c3a,
+  0xf2fd, 0x25e1,
+  0xf2fe, 0x1c40,
+  0xf3a1, 0x1c41,
+  0xf3bf, 0x25e2,
+  0xf3c0, 0x1c60,
+  0xf3c6, 0x25e3,
+  0xf3c7, 0x1c67,
+  0xf3c8, 0x25e4,
+  0xf3c9, 0x1c69,
+  0xf3d6, 0x25e5,
+  0xf3d7, 0x1c77,
+  0xf3d9, 0x25e6,
+  0xf3da, 0x1c7a,
+  0xf3e5, 0x25e7,
+  0xf3e7, 0x1c87,
+  0xf3ea, 0x25e9,
+  0xf3eb, 0x1c8b,
+  0xf3ec, 0x25ea,
+  0xf3ed, 0x1c8d,
+  0xf3ef, 0x25eb,
+  0xf3f0, 0x1c90,
+  0xf3f1, 0x25ec,
+  0xf3f2, 0x1c92,
+  0xf3fd, 0x25ed,
+  0xf3fe, 0x1c9e,
+  0xf4a1, 0x1c9f,
+  0xf4a5, 0x25ee,
+  0xf4a6, 0x1ca4,
+  0xf4af, 0x25ef,
+  0xf4b0, 0x1cae,
+  0xf4b5, 0x25f0,
+  0xf4b6, 0x1cb4,
+  0xf4c1, 0x25f1,
+  0xf4c2, 0x1cc0,
+  0xf4c7, 0x25f2,
+  0xf4c8, 0x1cc6,
+  0xf4cf, 0x25f3,
+  0xf4d1, 0x1ccf,
+  0xf4d6, 0x25f5,
+  0xf4d7, 0x1cd5,
+  0xf4ea, 0x25f6,
+  0xf4eb, 0x1ce9,
+  0xf4ef, 0x25f7,
+  0xf4f0, 0x1cee,
+  0xf4f5, 0x25f8,
+  0xf4f6, 0x1cf4,
+  0xf5a1, 0x1cfd,
+  0xf5a6, 0x25f9,
+  0xf5a8, 0x1d04,
+  0xf5ba, 0x25fb,
+  0xf5bc, 0x1d18,
+  0xf5c4, 0x25fd,
+  0xf5c5, 0x1d21,
+  0xf5c8, 0x25fe,
+  0xf5c9, 0x1d25,
+  0xf5ce, 0x25ff,
+  0xf5d0, 0x1d2c,
+  0xf5d1, 0x2601,
+  0xf5d3, 0x1d2f,
+  0xf5d9, 0x2603,
+  0xf5da, 0x1d36,
+  0xf5dc, 0x2604,
+  0xf5dd, 0x1d39,
+  0xf5e6, 0x2605,
+  0xf5e8, 0x1d44,
+  0xf5ef, 0x2607,
+  0xf5f0, 0x1d4c,
+  0xf5f2, 0x2608,
+  0xf5f3, 0x1d4f,
+  0xf5fc, 0x2609,
+  0xf5fd, 0x1d59,
+  0xf6a1, 0x1d5b,
+  0xf6a3, 0x260a,
+  0xf6a4, 0x1d5e,
+  0xf6a6, 0x260b,
+  0xf6a7, 0x1d61,
+  0xf6a8, 0x260c,
+  0xf6a9, 0x1d63,
+  0xf6ab, 0x260d,
+  0xf6ac, 0x1d66,
+  0xf6b0, 0x260e,
+  0xf6b1, 0x1d6b,
+  0xf6b3, 0x260f,
+  0xf6bf, 0x1d79,
+  0xf6c5, 0x261b,
+  0xf6c6, 0x1d80,
+  0xf6c7, 0x261c,
+  0xf6c8, 0x1d82,
+  0xf6c9, 0x261d,
+  0xf6ca, 0x1d84,
+  0xf6cf, 0x261e,
+  0xf7a1, 0x264e,
+  0xf7b0, 0x1dc8,
+  0xf7b2, 0x265d,
+  0xf7b4, 0x1dcc,
+  0xf7b5, 0x265f,
+  0xf7b6, 0x1dce,
+  0xf7bd, 0x2660,
+  0xf7be, 0x1dd6,
+  0xf7c3, 0x2661,
+  0xf7c4, 0x1ddc,
+  0xf7c5, 0x2662,
+  0xf7c7, 0x1ddf,
+  0xf7ca, 0x2664,
+  0xf7cc, 0x1de4,
+  0xf7cf, 0x2666,
+  0xf7d1, 0x1de9,
+  0xf7de, 0x2668,
+  0xf7df, 0x1df7,
+  0xf7e1, 0x0ab9,
+  0xf7e2, 0x1dfa,
+  0xf7f2, 0x2669,
+  0xf7f3, 0x1e0b,
+  0xf7f5, 0x266a,
+  0xf7f6, 0x1e0e,
+  0xf8a1, 0x266b,
+  0xf8a7, 0x04cc,
+  0xf8a8, 0x050a,
+  0xf8a9, 0x0518,
+  0xf8aa, 0x2671,
+  0xf8ac, 0x0594,
+  0xf8ad, 0x05ce,
+  0xf8ae, 0x2673,
+  0xf8af, 0x05f6,
+  0xf8b0, 0x2674,
+  0xf8b2, 0x0653,
+  0xf8b3, 0x067e,
+  0xf8b4, 0x2676,
+  0xf8b5, 0x06c4,
+  0xf8b6, 0x2677,
+  0xf8b8, 0x073c,
+  0xf8b9, 0x2679,
+  0xf8bb, 0x07c3,
+  0xf8bc, 0x267b,
+  0xf8c0, 0x082b,
+  0xf8c1, 0x267f,
+  0xf8c2, 0x084e,
+  0xf8c3, 0x0869,
+  0xf8c4, 0x2680,
+  0xf8c6, 0x090c,
+  0xf8c7, 0x2682,
+  0xf8c9, 0x0971,
+  0xf8ca, 0x2684,
+  0xf8cb, 0x099a,
+  0xf8cd, 0x2685,
+  0xf8ce, 0x09da,
+  0xf8cf, 0x2686,
+  0xf8d0, 0x09fa,
+  0xf8d1, 0x2687,
+  0xf8dc, 0x0bda,
+  0xf8dd, 0x0bdd,
+  0xf8de, 0x0bea,
+  0xf8df, 0x0bec,
+  0xf8e0, 0x0bf2,
+  0xf8e1, 0x2692,
+  0xf8e6, 0x0c92,
+  0xf8e7, 0x0d1a,
+  0xf8e8, 0x0d8c,
+  0xf8e9, 0x0dbe,
+  0xf8ea, 0x2697,
+  0xf8eb, 0x0dfb,
+  0xf8ec, 0x2698,
+  0xf8ef, 0x0e70,
+  0xf8f0, 0x269b,
+  0xf8f1, 0x0ea3,
+  0xf8f2, 0x269c,
+  0xf8f8, 0x103d,
+  0xf8f9, 0x10d9,
+  0xf8fa, 0x26a2,
+  0xf8fc, 0x10fb,
+  0xf8fd, 0x1109,
+  0xf8fe, 0x26a4,
+  0xf9a1, 0x11a1,
+  0xf9a2, 0x26a5,
+  0xf9a3, 0x11ba,
+  0xf9a4, 0x26a6,
+  0xf9a6, 0x11d5,
+  0xf9a7, 0x26a8,
+  0xf9a8, 0x11fd,
+  0xf9a9, 0x1219,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBTEUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1e24, 0x032e, 0x032f, 0x0330, 0x0331, 0x0332, 0x0333, 0x0334,
+    0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033a, 0x033b, 0x033c,
+    0x033d, 0x033e, 0x033f, 0x0340, 0x0341, 0x0342, 0x0343, 0x0344,
+    0x0345, 0x0346, 0x0347, 0x0348, 0x0349, 0x034a, 0x034b, 0x034c,
+    0x034d, 0x034e, 0x034f, 0x0350, 0x0351, 0x0352, 0x0353, 0x0354,
+    0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035c,
+    0x035d, 0x035e, 0x035f, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364,
+    0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036a, 0x036b, 0x036c,
+    0x036d, 0x036e, 0x036f, 0x0370, 0x0371, 0x0372, 0x0373, 0x0374,
+    0x0375, 0x0376, 0x0377, 0x0378, 0x0379, 0x037a, 0x037b, 0x037c,
+    0x037d, 0x037e, 0x037f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384,
+    0x0385, 0x0386, 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBTEUCHMap2, 2283
+};
+
+static Gushort gb12GBTEUCVMap2[4606] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb0a8, 0x1e25,
+  0xb0a9, 0x03b4,
+  0xb0aa, 0x1e26,
+  0xb0ab, 0x03b6,
+  0xb0ad, 0x1e27,
+  0xb0af, 0x03ba,
+  0xb0b9, 0x1e29,
+  0xb0ba, 0x03c5,
+  0xb0c0, 0x1e2a,
+  0xb0c1, 0x03cc,
+  0xb0d3, 0x1e2b,
+  0xb0d4, 0x03df,
+  0xb0d5, 0x1e2c,
+  0xb0d6, 0x03e1,
+  0xb0da, 0x1e2d,
+  0xb0db, 0x03e6,
+  0xb0dc, 0x1e2e,
+  0xb0dd, 0x03e8,
+  0xb0e4, 0x1e2f,
+  0xb0e5, 0x03f0,
+  0xb0ec, 0x1e30,
+  0xb0ee, 0x03f9,
+  0xb0ef, 0x1e32,
+  0xb0f0, 0x03fb,
+  0xb0f3, 0x1e33,
+  0xb0f4, 0x03ff,
+  0xb0f7, 0x1e34,
+  0xb0f8, 0x0403,
+  0xb0f9, 0x1e35,
+  0xb0fa, 0x0405,
+  0xb1a1, 0x040a,
+  0xb1a5, 0x1e36,
+  0xb1a7, 0x0410,
+  0xb1a8, 0x1e38,
+  0xb1a9, 0x0412,
+  0xb1ab, 0x1e39,
+  0xb1ac, 0x0415,
+  0xb1b2, 0x1e3a,
+  0xb1b3, 0x041c,
+  0xb1b4, 0x1e3b,
+  0xb1b6, 0x041f,
+  0xb1b7, 0x1e3d,
+  0xb1ba, 0x0423,
+  0xb1c1, 0x1e40,
+  0xb1c2, 0x042b,
+  0xb1ca, 0x1e41,
+  0xb1cb, 0x0434,
+  0xb1cf, 0x1e42,
+  0xb1d1, 0x043a,
+  0xb1d2, 0x1e44,
+  0xb1d3, 0x043c,
+  0xb1d5, 0x1e45,
+  0xb1d6, 0x043f,
+  0xb1df, 0x1e46,
+  0xb1e2, 0x044b,
+  0xb1e4, 0x1e49,
+  0xb1e5, 0x044e,
+  0xb1e7, 0x1e4a,
+  0xb1e9, 0x0452,
+  0xb1ea, 0x1e4c,
+  0xb1eb, 0x0454,
+  0xb1ee, 0x1e4d,
+  0xb1ef, 0x0458,
+  0xb1f1, 0x1e4e,
+  0xb1f2, 0x045b,
+  0xb1f4, 0x1e4f,
+  0xb1f8, 0x0461,
+  0xb1fd, 0x1e53,
+  0xb1fe, 0x0467,
+  0xb2a1, 0x0468,
+  0xb2a6, 0x1e54,
+  0xb2a8, 0x046f,
+  0xb2ac, 0x1e56,
+  0xb2ad, 0x0474,
+  0xb2b5, 0x1e57,
+  0xb2b6, 0x047d,
+  0xb2b9, 0x1e58,
+  0xb2ba, 0x0481,
+  0xb2c6, 0x1e59,
+  0xb2c7, 0x048e,
+  0xb2ce, 0x1e5a,
+  0xb2d8, 0x049f,
+  0xb2de, 0x1e64,
+  0xb2df, 0x04a6,
+  0xb2e0, 0x1e65,
+  0xb2e1, 0x04a8,
+  0xb2e2, 0x1e66,
+  0xb2e4, 0x04ab,
+  0xb2ef, 0x1e68,
+  0xb2f0, 0x04b7,
+  0xb2f3, 0x1e69,
+  0xb2fd, 0x04c4,
+  0xb3a1, 0x1e73,
+  0xb3a3, 0x04c8,
+  0xb3a4, 0x1e75,
+  0xb3a8, 0x04cd,
+  0xb3a9, 0x1e79,
+  0xb3aa, 0x04cf,
+  0xb3ae, 0x1e7a,
+  0xb3af, 0x04d4,
+  0xb3b5, 0x1e7b,
+  0xb3b6, 0x04db,
+  0xb3b9, 0x1e7c,
+  0xb3ba, 0x04df,
+  0xb3be, 0x1e7d,
+  0xb3bf, 0x04e4,
+  0xb3c2, 0x1e7e,
+  0xb3c3, 0x04e8,
+  0xb3c4, 0x1e7f,
+  0xb3c5, 0x04ea,
+  0xb3c6, 0x1e80,
+  0xb3c7, 0x04ec,
+  0xb3cd, 0x1e81,
+  0xb3ce, 0x04f3,
+  0xb3cf, 0x1e82,
+  0xb3d0, 0x04f5,
+  0xb3d2, 0x1e83,
+  0xb3d3, 0x04f8,
+  0xb3d9, 0x1e84,
+  0xb3da, 0x04ff,
+  0xb3db, 0x1e85,
+  0xb3dc, 0x0501,
+  0xb3dd, 0x1e86,
+  0xb3de, 0x0503,
+  0xb3e3, 0x1e87,
+  0xb3e4, 0x0509,
+  0xb3e5, 0x1e88,
+  0xb3e7, 0x050c,
+  0xb3e8, 0x1e8a,
+  0xb3e9, 0x050e,
+  0xb3eb, 0x1e8b,
+  0xb3ed, 0x0512,
+  0xb3ef, 0x1e8d,
+  0xb3f0, 0x0515,
+  0xb3f1, 0x1e8e,
+  0xb3f2, 0x0517,
+  0xb3f3, 0x1e8f,
+  0xb3f4, 0x0519,
+  0xb3fa, 0x1e90,
+  0xb3fc, 0x0521,
+  0xb4a1, 0x1e92,
+  0xb4a3, 0x0526,
+  0xb4a5, 0x1e94,
+  0xb4a7, 0x052a,
+  0xb4ab, 0x1e96,
+  0xb4ac, 0x052f,
+  0xb4af, 0x1e97,
+  0xb4b0, 0x0533,
+  0xb4b3, 0x1e98,
+  0xb4b5, 0x0538,
+  0xb4b8, 0x1e9a,
+  0xb4b9, 0x053c,
+  0xb4bf, 0x1e9b,
+  0xb4c0, 0x0543,
+  0xb4c2, 0x1e9c,
+  0xb4c3, 0x0546,
+  0xb4c7, 0x1e9d,
+  0xb4c8, 0x054b,
+  0xb4ca, 0x1e9e,
+  0xb4cb, 0x054e,
+  0xb4cd, 0x1e9f,
+  0xb4ce, 0x0551,
+  0xb4cf, 0x1ea0,
+  0xb4d0, 0x0553,
+  0xb4d3, 0x1ea1,
+  0xb4d5, 0x0558,
+  0xb4da, 0x1ea3,
+  0xb4db, 0x055e,
+  0xb4dc, 0x1ea4,
+  0xb4dd, 0x0560,
+  0xb4ed, 0x1ea5,
+  0xb4ee, 0x0571,
+  0xb4ef, 0x1ea6,
+  0xb4f0, 0x0573,
+  0xb4f8, 0x1ea7,
+  0xb4f9, 0x057c,
+  0xb4fb, 0x1ea8,
+  0xb4fc, 0x057f,
+  0xb5a1, 0x0582,
+  0xb5a3, 0x1ea9,
+  0xb5a4, 0x0585,
+  0xb5a5, 0x1eaa,
+  0xb5a9, 0x058a,
+  0xb5ac, 0x1eae,
+  0xb5ad, 0x058e,
+  0xb5ae, 0x1eaf,
+  0xb5b0, 0x0591,
+  0xb5b1, 0x1eb1,
+  0xb5b6, 0x0597,
+  0xb5b7, 0x1eb6,
+  0xb5b8, 0x0599,
+  0xb5ba, 0x1eb7,
+  0xb5bd, 0x059e,
+  0xb5c6, 0x1eba,
+  0xb5c7, 0x05a8,
+  0xb5cb, 0x1ebb,
+  0xb5cc, 0x05ad,
+  0xb5d0, 0x1ebc,
+  0xb5d1, 0x05b2,
+  0xb5d3, 0x1ebd,
+  0xb5d4, 0x05b5,
+  0xb5dd, 0x1ebe,
+  0xb5e0, 0x05c1,
+  0xb5e3, 0x1ec1,
+  0xb5e4, 0x05c5,
+  0xb5e6, 0x1ec2,
+  0xb5e8, 0x05c9,
+  0xb5ed, 0x1ec4,
+  0xb5ee, 0x05cf,
+  0xb5f6, 0x1ec5,
+  0xb5f8, 0x05d9,
+  0xb5fd, 0x1ec7,
+  0xb5fe, 0x05df,
+  0xb6a1, 0x05e0,
+  0xb6a4, 0x1ec8,
+  0xb6a6, 0x05e5,
+  0xb6a7, 0x1eca,
+  0xb6a8, 0x05e7,
+  0xb6a9, 0x1ecb,
+  0xb6aa, 0x05e9,
+  0xb6ab, 0x1ecc,
+  0xb6ac, 0x05eb,
+  0xb6af, 0x1ecd,
+  0xb6b1, 0x05f0,
+  0xb6b3, 0x1ecf,
+  0xb6b4, 0x05f3,
+  0xb6b7, 0x1ed0,
+  0xb6b8, 0x05f7,
+  0xb6bf, 0x1ed1,
+  0xb6c2, 0x0601,
+  0xb6c4, 0x1ed4,
+  0xb6c5, 0x0604,
+  0xb6c6, 0x1ed5,
+  0xb6c7, 0x0606,
+  0xb6cd, 0x1ed6,
+  0xb6ce, 0x060d,
+  0xb6cf, 0x1ed7,
+  0xb6d1, 0x0610,
+  0xb6d3, 0x1ed9,
+  0xb6d5, 0x0614,
+  0xb6d6, 0x1edb,
+  0xb6d7, 0x0616,
+  0xb6d9, 0x1edc,
+  0xb6da, 0x0619,
+  0xb6db, 0x1edd,
+  0xb6dc, 0x061b,
+  0xb6e1, 0x1ede,
+  0xb6e2, 0x0621,
+  0xb6e9, 0x1edf,
+  0xb6ea, 0x0629,
+  0xb6ec, 0x1ee0,
+  0xb6ed, 0x062c,
+  0xb6ee, 0x1ee1,
+  0xb6f0, 0x062f,
+  0xb6f1, 0x1ee3,
+  0xb6f2, 0x0631,
+  0xb6f6, 0x1ee4,
+  0xb6f7, 0x0636,
+  0xb6f9, 0x1ee5,
+  0xb6fa, 0x0639,
+  0xb6fb, 0x1ee6,
+  0xb6fd, 0x063c,
+  0xb7a1, 0x1ee8,
+  0xb7a4, 0x0641,
+  0xb7a7, 0x1eeb,
+  0xb7a8, 0x0645,
+  0xb7af, 0x1eec,
+  0xb7b1, 0x064e,
+  0xb7b3, 0x1eee,
+  0xb7b4, 0x0651,
+  0xb7b6, 0x1eef,
+  0xb7b8, 0x0655,
+  0xb7b9, 0x1ef1,
+  0xb7ba, 0x0657,
+  0xb7c3, 0x1ef2,
+  0xb7c5, 0x0662,
+  0xb7c9, 0x1ef4,
+  0xb7ca, 0x0667,
+  0xb7cc, 0x1ef5,
+  0xb7cd, 0x066a,
+  0xb7cf, 0x1ef6,
+  0xb7d0, 0x066d,
+  0xb7d1, 0x1ef7,
+  0xb7d2, 0x066f,
+  0xb7d7, 0x1ef8,
+  0xb7d9, 0x0676,
+  0xb7dc, 0x1efa,
+  0xb7dd, 0x067a,
+  0xb7df, 0x1efb,
+  0xb7e2, 0x067f,
+  0xb7e3, 0x1efe,
+  0xb7e4, 0x0681,
+  0xb7e6, 0x1eff,
+  0xb7e9, 0x0686,
+  0xb7eb, 0x1f02,
+  0xb7ee, 0x068b,
+  0xb7ef, 0x1f05,
+  0xb7f0, 0x068d,
+  0xb7f4, 0x1f06,
+  0xb7f5, 0x0692,
+  0xb7f8, 0x1f07,
+  0xb7f9, 0x0696,
+  0xb8a1, 0x069c,
+  0xb8a7, 0x1f08,
+  0xb8a9, 0x06a4,
+  0xb8b3, 0x1f0a,
+  0xb8b5, 0x06b0,
+  0xb8ba, 0x1f0c,
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+  0xb8bc, 0x1f0d,
+  0xb8bd, 0x06b8,
+  0xb8be, 0x1f0e,
+  0xb8c0, 0x06bb,
+  0xb8c3, 0x1f10,
+  0xb8c4, 0x06bf,
+  0xb8c6, 0x1f11,
+  0xb8c8, 0x06c3,
+  0xb8c9, 0x1f13,
+  0xb8ca, 0x06c5,
+  0xb8cf, 0x1f14,
+  0xb8d0, 0x06cb,
+  0xb8d3, 0x1f15,
+  0xb8d7, 0x06d2,
+  0xb8d9, 0x1f19,
+  0xb8db, 0x06d6,
+  0xb8e4, 0x1f1b,
+  0xb8e5, 0x06e0,
+  0xb8e9, 0x1f1c,
+  0xb8ea, 0x06e5,
+  0xb8eb, 0x1f1d,
+  0xb8ec, 0x06e7,
+  0xb8f3, 0x1f1e,
+  0xb8f4, 0x06ef,
+  0xb8f5, 0x1f1f,
+  0xb8f7, 0x06f2,
+  0xb8f8, 0x1f21,
+  0xb8f9, 0x06f4,
+  0xb9a1, 0x06fa,
+  0xb9a8, 0x1f22,
+  0xb9a9, 0x0702,
+  0xb9ae, 0x1f23,
+  0xb9af, 0x0708,
+  0xb9b1, 0x1f24,
+  0xb9b2, 0x070b,
+  0xb9b3, 0x1f25,
+  0xb9b4, 0x070d,
+  0xb9b5, 0x1f26,
+  0xb9b6, 0x070f,
+  0xb9b9, 0x1f27,
+  0xb9bb, 0x0714,
+  0xb9c6, 0x1f29,
+  0xb9c7, 0x0720,
+  0xb9cb, 0x1f2a,
+  0xb9cc, 0x0725,
+  0xb9d0, 0x1f2b,
+  0xb9d1, 0x072a,
+  0xb9d8, 0x1f2c,
+  0xb9d9, 0x0732,
+  0xb9db, 0x1f2d,
+  0xb9dc, 0x0735,
+  0xb9dd, 0x1f2e,
+  0xb9de, 0x0737,
+  0xb9df, 0x1f2f,
+  0xb9e0, 0x0739,
+  0xb9e1, 0x1f30,
+  0xb9e2, 0x073b,
+  0xb9e3, 0x1f31,
+  0xb9e4, 0x073d,
+  0xb9e6, 0x1f32,
+  0xb9e7, 0x0740,
+  0xb9e9, 0x1f33,
+  0xb9ed, 0x0746,
+  0xb9ee, 0x1f37,
+  0xb9ef, 0x0748,
+  0xb9f1, 0x1f38,
+  0xb9f2, 0x074b,
+  0xb9f3, 0x1f39,
+  0xb9f6, 0x074f,
+  0xb9f8, 0x1f3c,
+  0xb9f9, 0x0752,
+  0xb9fa, 0x1f3d,
+  0xb9fb, 0x0754,
+  0xb9fd, 0x1f3e,
+  0xb9fe, 0x0757,
+  0xbaa1, 0x0758,
+  0xbaa7, 0x1f3f,
+  0xbaa8, 0x075f,
+  0xbaab, 0x1f40,
+  0xbaac, 0x0763,
+  0xbaba, 0x1f41,
+  0xbabb, 0x0772,
+  0xbac5, 0x1f42,
+  0xbac6, 0x077d,
+  0xbad2, 0x1f43,
+  0xbad3, 0x078a,
+  0xbad7, 0x1f44,
+  0xbad9, 0x0790,
+  0xbae4, 0x1f46,
+  0xbae5, 0x079c,
+  0xbae8, 0x1f47,
+  0xbae9, 0x07a0,
+  0xbaec, 0x1f48,
+  0xbaed, 0x07a4,
+  0xbaf3, 0x15e5,
+  0xbaf4, 0x07ab,
+  0xbaf8, 0x1f49,
+  0xbaf9, 0x07b0,
+  0xbba1, 0x07b6,
+  0xbba4, 0x1f4a,
+  0xbba5, 0x07ba,
+  0xbba6, 0x1f4b,
+  0xbba7, 0x07bc,
+  0xbba9, 0x1f4c,
+  0xbbab, 0x07c0,
+  0xbbad, 0x1f4e,
+  0xbbaf, 0x07c4,
+  0xbbb0, 0x1f50,
+  0xbbb1, 0x07c6,
+  0xbbb3, 0x1f51,
+  0xbbb4, 0x07c9,
+  0xbbb5, 0x1f52,
+  0xbbb8, 0x07cd,
+  0xbbb9, 0x1f55,
+  0xbbbb, 0x07d0,
+  0xbbd1, 0x1f57,
+  0xbbd2, 0x07e7,
+  0xbbd3, 0x1f58,
+  0xbbd5, 0x07ea,
+  0xbbdf, 0x1f5a,
+  0xbbe8, 0x07fd,
+  0xbbeb, 0x1f63,
+  0xbbec, 0x0801,
+  0xbbf1, 0x1f64,
+  0xbbf2, 0x0807,
+  0xbbf5, 0x1f65,
+  0xbbf8, 0x080d,
+  0xbbfa, 0x1f68,
+  0xbbfb, 0x0810,
+  0xbbfd, 0x1f69,
+  0xbbfe, 0x0813,
+  0xbca1, 0x0814,
+  0xbca2, 0x1f6a,
+  0xbca3, 0x0816,
+  0xbca5, 0x1f6b,
+  0xbca7, 0x081a,
+  0xbca8, 0x1f6d,
+  0xbcaa, 0x081d,
+  0xbcab, 0x1f6f,
+  0xbcac, 0x081f,
+  0xbcad, 0x1f70,
+  0xbcae, 0x0821,
+  0xbcb6, 0x1f71,
+  0xbcb9, 0x082c,
+  0xbcbb, 0x1f74,
+  0xbcbc, 0x082f,
+  0xbcc1, 0x1f75,
+  0xbcc2, 0x0835,
+  0xbcc3, 0x1f76,
+  0xbcc4, 0x0837,
+  0xbcc6, 0x1f77,
+  0xbcc8, 0x083b,
+  0xbcca, 0x1f79,
+  0xbccb, 0x083e,
+  0xbccc, 0x1f7a,
+  0xbcce, 0x0841,
+  0xbcd0, 0x1f7c,
+  0xbcd1, 0x0844,
+  0xbcd4, 0x1f7d,
+  0xbcd7, 0x084a,
+  0xbcd8, 0x1f80,
+  0xbcd9, 0x084c,
+  0xbcdb, 0x1f81,
+  0xbcdc, 0x084f,
+  0xbcdd, 0x1f82,
+  0xbcde, 0x0851,
+  0xbcdf, 0x1f83,
+  0xbce2, 0x0855,
+  0xbce3, 0x1f86,
+  0xbce5, 0x0858,
+  0xbce8, 0x1f88,
+  0xbce9, 0x085c,
+  0xbcea, 0x1f89,
+  0xbced, 0x0860,
+  0xbcef, 0x1f8c,
+  0xbcf4, 0x0867,
+  0xbcf6, 0x1f91,
+  0xbcfd, 0x0870,
+  0xbda1, 0x0872,
+  0xbda2, 0x1f98,
+  0xbda8, 0x0879,
+  0xbdab, 0x1f9e,
+  0xbdad, 0x087e,
+  0xbdaf, 0x1fa0,
+  0xbdb3, 0x0884,
+  0xbdb4, 0x1fa4,
+  0xbdb5, 0x0886,
+  0xbdba, 0x1fa5,
+  0xbdbb, 0x088c,
+  0xbdbd, 0x1fa6,
+  0xbdc0, 0x0891,
+  0xbdc1, 0x1fa9,
+  0xbdc5, 0x0896,
+  0xbdc8, 0x1fad,
+  0xbdcb, 0x089c,
+  0xbdce, 0x1fb0,
+  0xbdd0, 0x08a1,
+  0xbdd7, 0x1fb2,
+  0xbdd8, 0x08a9,
+  0xbdda, 0x1fb3,
+  0xbddb, 0x08ac,
+  0xbde0, 0x1fb4,
+  0xbde2, 0x08b3,
+  0xbdeb, 0x1fb6,
+  0xbdec, 0x08bd,
+  0xbdf4, 0x1fb7,
+  0xbdf9, 0x08ca,
+  0xbdfd, 0x1fbc,
+  0xbdfe, 0x08cf,
+  0xbea1, 0x1fbd,
+  0xbea3, 0x08d2,
+  0xbea5, 0x1fbf,
+  0xbea6, 0x08d5,
+  0xbea8, 0x1fc0,
+  0xbea9, 0x08d8,
+  0xbeaa, 0x1fc1,
+  0xbeab, 0x08da,
+  0xbead, 0x1fc2,
+  0xbeae, 0x08dd,
+  0xbeb1, 0x1fc3,
+  0xbeb2, 0x08e1,
+  0xbeb5, 0x1fc4,
+  0xbeb8, 0x08e7,
+  0xbeba, 0x1fc7,
+  0xbebb, 0x08ea,
+  0xbec0, 0x1fc8,
+  0xbec1, 0x08f0,
+  0xbec9, 0x1fc9,
+  0xbeca, 0x08f9,
+  0xbed4, 0x1fca,
+  0xbed5, 0x0904,
+  0xbed9, 0x1fcb,
+  0xbeda, 0x0909,
+  0xbedd, 0x1fcc,
+  0xbede, 0x090d,
+  0xbee2, 0x1fcd,
+  0xbee3, 0x0912,
+  0xbee5, 0x1fce,
+  0xbee6, 0x0915,
+  0xbee7, 0x1fcf,
+  0xbee8, 0x0917,
+  0xbee9, 0x1fd0,
+  0xbeea, 0x0919,
+  0xbeee, 0x1fd1,
+  0xbeef, 0x091e,
+  0xbef5, 0x1fd2,
+  0xbef6, 0x0925,
+  0xbef7, 0x1fd3,
+  0xbef9, 0x0928,
+  0xbefb, 0x1fd5,
+  0xbefd, 0x092c,
+  0xbfa1, 0x092e,
+  0xbfa5, 0x1fd7,
+  0xbfa6, 0x0933,
+  0xbfaa, 0x1fd8,
+  0xbfab, 0x0938,
+  0xbfad, 0x1fd9,
+  0xbfae, 0x093b,
+  0xbfc5, 0x1fda,
+  0xbfc6, 0x0953,
+  0xbfc7, 0x1fdb,
+  0xbfc8, 0x0955,
+  0xbfce, 0x1fdc,
+  0xbfcf, 0x095c,
+  0xbfd1, 0x1fdd,
+  0xbfd3, 0x0960,
+  0xbfd9, 0x1fdf,
+  0xbfda, 0x0967,
+  0xbfe2, 0x1fe0,
+  0xbfe5, 0x0972,
+  0xbfe9, 0x1fe3,
+  0xbfea, 0x0977,
+  0xbfeb, 0x1fe4,
+  0xbfec, 0x0979,
+  0xbfed, 0x1fe5,
+  0xbfee, 0x097b,
+  0xbff3, 0x1fe6,
+  0xbff4, 0x0981,
+  0xbff5, 0x1fe7,
+  0xbff6, 0x0983,
+  0xbff7, 0x1fe8,
+  0xbff8, 0x0985,
+  0xbff9, 0x1fe9,
+  0xbffb, 0x0988,
+  0xc0a1, 0x1feb,
+  0xc0a2, 0x098d,
+  0xc0a3, 0x1fec,
+  0xc0a4, 0x098f,
+  0xc0a9, 0x1fed,
+  0xc0aa, 0x0995,
+  0xc0ab, 0x1fee,
+  0xc0ac, 0x0997,
+  0xc0af, 0x1fef,
+  0xc0b1, 0x099c,
+  0xc0b3, 0x1ff1,
+  0xc0b7, 0x09a2,
+  0xc0b8, 0x1ff5,
+  0xc0c5, 0x09b0,
+  0xc0cc, 0x2002,
+  0xc0ce, 0x09b9,
+  0xc0d4, 0x2004,
+  0xc0d5, 0x09c0,
+  0xc0d6, 0x2005,
+  0xc0d7, 0x09c2,
+  0xc0d8, 0x2006,
+  0xc0d9, 0x09c4,
+  0xc0dd, 0x2007,
+  0xc0de, 0x09c9,
+  0xc0e0, 0x2008,
+  0xc0e1, 0x09cc,
+  0xc0e9, 0x2009,
+  0xc0ea, 0x09d5,
+  0xc0eb, 0x200a,
+  0xc0ed, 0x09d8,
+  0xc0ef, 0x200c,
+  0xc0f2, 0x09dd,
+  0xc0f6, 0x200f,
+  0xc0fb, 0x09e6,
+  0xc1a1, 0x09ea,
+  0xc1a4, 0x2014,
+  0xc1a6, 0x09ef,
+  0xc1a9, 0x2016,
+  0xc1ae, 0x09f7,
+  0xc1af, 0x201b,
+  0xc1b9, 0x0a02,
+  0xc1bd, 0x2025,
+  0xc1bf, 0x0a08,
+  0xc1c2, 0x2027,
+  0xc1c3, 0x0a0c,
+  0xc1c6, 0x2028,
+  0xc1c7, 0x0a10,
+  0xc1c9, 0x2029,
+  0xc1ca, 0x0a13,
+  0xc1cd, 0x202a,
+  0xc1ce, 0x0a17,
+  0xc1d4, 0x202b,
+  0xc1d5, 0x0a1e,
+  0xc1d9, 0x202c,
+  0xc1dc, 0x0a25,
+  0xc1de, 0x202f,
+  0xc1df, 0x0a28,
+  0xc1e4, 0x2030,
+  0xc1e6, 0x0a2f,
+  0xc1e9, 0x2032,
+  0xc1ea, 0x0a33,
+  0xc1eb, 0x2033,
+  0xc1ed, 0x0a36,
+  0xc1f3, 0x2035,
+  0xc1f4, 0x0a3d,
+  0xc1f5, 0x2036,
+  0xc1f6, 0x0a3f,
+  0xc1fa, 0x2037,
+  0xc1fe, 0x0a47,
+  0xc2a1, 0x0a48,
+  0xc2a2, 0x203b,
+  0xc2a9, 0x0a50,
+  0xc2ab, 0x2042,
+  0xc2b4, 0x0a5b,
+  0xc2b8, 0x204b,
+  0xc2b9, 0x0a60,
+  0xc2bc, 0x204c,
+  0xc2be, 0x0a65,
+  0xc2bf, 0x204e,
+  0xc2c0, 0x0a67,
+  0xc2c1, 0x204f,
+  0xc2c2, 0x0a69,
+  0xc2c5, 0x2050,
+  0xc2c8, 0x0a6f,
+  0xc2cb, 0x2053,
+  0xc2d1, 0x0a78,
+  0xc2d2, 0x2059,
+  0xc2d3, 0x0a7a,
+  0xc2d5, 0x205a,
+  0xc2dd, 0x0a84,
+  0xc2de, 0x2062,
+  0xc2e3, 0x0a8a,
+  0xc2e6, 0x2067,
+  0xc2e9, 0x0a90,
+  0xc2ea, 0x206a,
+  0xc2ef, 0x0a96,
+  0xc2f0, 0x206f,
+  0xc2f1, 0x0a98,
+  0xc2f2, 0x2070,
+  0xc2f6, 0x0a9d,
+  0xc2f7, 0x2074,
+  0xc2fb, 0x0aa2,
+  0xc3a1, 0x2078,
+  0xc3a2, 0x0aa7,
+  0xc3aa, 0x2079,
+  0xc3ab, 0x0ab0,
+  0xc3ad, 0x207a,
+  0xc3ae, 0x0ab3,
+  0xc3b3, 0x207b,
+  0xc3b4, 0x1df9,
+  0xc3b5, 0x0aba,
+  0xc3be, 0x207c,
+  0xc3bf, 0x0ac4,
+  0xc3c5, 0x207d,
+  0xc3c8, 0x0acd,
+  0xc3cc, 0x2080,
+  0xc3cd, 0x0ad2,
+  0xc3ce, 0x2081,
+  0xc3cf, 0x0ad4,
+  0xc3d5, 0x2082,
+  0xc3d7, 0x0adc,
+  0xc3d9, 0x2084,
+  0xc3da, 0x0adf,
+  0xc3e0, 0x2085,
+  0xc3e1, 0x0ae6,
+  0xc3e5, 0x2086,
+  0xc3e6, 0x0aeb,
+  0xc3ed, 0x2087,
+  0xc3ee, 0x0af3,
+  0xc3f0, 0x2088,
+  0xc3f1, 0x0af6,
+  0xc3f5, 0x2089,
+  0xc3f7, 0x0afc,
+  0xc3f9, 0x208b,
+  0xc3fb, 0x0b00,
+  0xc3fd, 0x208d,
+  0xc3fe, 0x0b03,
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+  0xc4b1, 0x208e,
+  0xc4b2, 0x0b15,
+  0xc4b6, 0x208f,
+  0xc4b7, 0x0b1a,
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+  0xc4c7, 0x0b2a,
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+  0xc4d1, 0x2092,
+  0xc4d2, 0x0b35,
+  0xc4d3, 0x2093,
+  0xc4d7, 0x0b3a,
+  0xc4d9, 0x2097,
+  0xc4da, 0x0b3d,
+  0xc4e2, 0x2098,
+  0xc4e3, 0x0b46,
+  0xc4e5, 0x2099,
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+  0xc4ed, 0x0b50,
+  0xc4f0, 0x209b,
+  0xc4f2, 0x0b55,
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+  0xc4f5, 0x0b58,
+  0xc4f6, 0x209e,
+  0xc4f9, 0x0b5c,
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+  0xc4fe, 0x20a3,
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+  0xc5a3, 0x0b64,
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+  0xc5aa, 0x0b6b,
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+  0xc5b2, 0x0b73,
+  0xc5b5, 0x20ac,
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+  0xc5bc, 0x0b7d,
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+  0xc5be, 0x0b7f,
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+  0xc5cd, 0x0b8e,
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+  0xc5d4, 0x0b95,
+  0xc5e2, 0x20b4,
+  0xc5e3, 0x0ba4,
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+  0xc6af, 0x0bce,
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+  0xc6bc, 0x0bdb,
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+  0xc6bf, 0x0bde,
+  0xc6c0, 0x20bd,
+  0xc6c1, 0x0be0,
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+  0xc7a4, 0x0c21,
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+  0xc8d3, 0x0cae,
+  0xc8d9, 0x2100,
+  0xc8da, 0x0cb5,
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+  0xc8ed, 0x2102,
+  0xc8ee, 0x0cc9,
+  0xc8f1, 0x2103,
+  0xc8f4, 0x0ccf,
+  0xc8f7, 0x2106,
+  0xc8f9, 0x0cd4,
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+  0xc8fb, 0x0cd6,
+  0xc8fc, 0x2109,
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+  0xc9a5, 0x210b,
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+  0xc9c5, 0x0cfe,
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+  0xc9cc, 0x0d05,
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+  0xc9ce, 0x0d07,
+  0xc9d5, 0x2119,
+  0xc9d6, 0x0d0f,
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+  0xc9de, 0x211b,
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+  0xc9e6, 0x0d1f,
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+  0xc9f1, 0x0d2a,
+  0xc9f3, 0x2121,
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+  0xc9f6, 0x2123,
+  0xc9f7, 0x0d30,
+  0xc9f8, 0x2124,
+  0xc9fa, 0x0d33,
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+  0xcaa1, 0x0d38,
+  0xcaa4, 0x2127,
+  0xcaa7, 0x0d3e,
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+  0xcaa9, 0x0d40,
+  0xcaaa, 0x212b,
+  0xcaac, 0x0d43,
+  0xcab1, 0x212d,
+  0xcab2, 0x0d49,
+  0xcab4, 0x212e,
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+  0xcabb, 0x2131,
+  0xcabc, 0x0d53,
+  0xcac6, 0x2132,
+  0xcac7, 0x0d5e,
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+  0xcacb, 0x0d62,
+  0xcacd, 0x2134,
+  0xcacf, 0x0d66,
+  0xcad3, 0x2136,
+  0xcad5, 0x0d6c,
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+  0xcada, 0x0d71,
+  0xcade, 0x2139,
+  0xcadf, 0x0d76,
+  0xcae0, 0x213a,
+  0xcae1, 0x0d78,
+  0xcae4, 0x213b,
+  0xcae5, 0x0d7c,
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+  0xcaeb, 0x0d82,
+  0xcaf4, 0x213e,
+  0xcaf6, 0x0d8d,
+  0xcaf7, 0x2140,
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+  0xcafb, 0x0d92,
+  0xcafd, 0x2142,
+  0xcafe, 0x0d95,
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+  0xcbbf, 0x214a,
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+  0xcbcd, 0x0dc2,
+  0xcbcf, 0x2150,
+  0xcbd1, 0x0dc6,
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+  0xcbe5, 0x0dda,
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+  0xcbeb, 0x0de0,
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+  0xccbf, 0x0e12,
+  0xccc0, 0x216b,
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+  0xccdb, 0x0e2e,
+  0xccdc, 0x2171,
+  0xccdd, 0x0e30,
+  0xcce0, 0x2172,
+  0xcce1, 0x0e34,
+  0xcce2, 0x2173,
+  0xcce3, 0x0e36,
+  0xcce5, 0x2174,
+  0xcce6, 0x0e39,
+  0xccf5, 0x2175,
+  0xccf6, 0x0e49,
+  0xccf9, 0x2176,
+  0xccfb, 0x0e4e,
+  0xccfc, 0x2178,
+  0xcda1, 0x0e52,
+  0xcdad, 0x217b,
+  0xcdae, 0x0e5f,
+  0xcdb3, 0x217c,
+  0xcdb4, 0x0e65,
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+  0xcdb8, 0x0e69,
+  0xcdbc, 0x217e,
+  0xcdbd, 0x0e6e,
+  0xcdbf, 0x217f,
+  0xcdc0, 0x0e71,
+  0xcdc5, 0x2180,
+  0xcdc6, 0x0e77,
+  0xcdc7, 0x2181,
+  0xcdc8, 0x0e79,
+  0xcdd2, 0x2182,
+  0xcdd3, 0x0e84,
+  0xcdd4, 0x2183,
+  0xcdd7, 0x0e88,
+  0xcddd, 0x2186,
+  0xcdde, 0x0e8f,
+  0xcde0, 0x2187,
+  0xcde1, 0x0e92,
+  0xcde4, 0x2188,
+  0xcde6, 0x0e97,
+  0xcde7, 0x218a,
+  0xcde8, 0x0e99,
+  0xcdf2, 0x218b,
+  0xcdf3, 0x0ea4,
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+  0xf7b5, 0x265f,
+  0xf7b6, 0x1dce,
+  0xf7bd, 0x2660,
+  0xf7be, 0x1dd6,
+  0xf7c3, 0x2661,
+  0xf7c4, 0x1ddc,
+  0xf7c5, 0x2662,
+  0xf7c7, 0x1ddf,
+  0xf7ca, 0x2664,
+  0xf7cc, 0x1de4,
+  0xf7cf, 0x2666,
+  0xf7d1, 0x1de9,
+  0xf7de, 0x2668,
+  0xf7df, 0x1df7,
+  0xf7e1, 0x0ab9,
+  0xf7e2, 0x1dfa,
+  0xf7f2, 0x2669,
+  0xf7f3, 0x1e0b,
+  0xf7f5, 0x266a,
+  0xf7f6, 0x1e0e,
+  0xf8a1, 0x266b,
+  0xf8a7, 0x04cc,
+  0xf8a8, 0x050a,
+  0xf8a9, 0x0518,
+  0xf8aa, 0x2671,
+  0xf8ac, 0x0594,
+  0xf8ad, 0x05ce,
+  0xf8ae, 0x2673,
+  0xf8af, 0x05f6,
+  0xf8b0, 0x2674,
+  0xf8b2, 0x0653,
+  0xf8b3, 0x067e,
+  0xf8b4, 0x2676,
+  0xf8b5, 0x06c4,
+  0xf8b6, 0x2677,
+  0xf8b8, 0x073c,
+  0xf8b9, 0x2679,
+  0xf8bb, 0x07c3,
+  0xf8bc, 0x267b,
+  0xf8c0, 0x082b,
+  0xf8c1, 0x267f,
+  0xf8c2, 0x084e,
+  0xf8c3, 0x0869,
+  0xf8c4, 0x2680,
+  0xf8c6, 0x090c,
+  0xf8c7, 0x2682,
+  0xf8c9, 0x0971,
+  0xf8ca, 0x2684,
+  0xf8cb, 0x099a,
+  0xf8cd, 0x2685,
+  0xf8ce, 0x09da,
+  0xf8cf, 0x2686,
+  0xf8d0, 0x09fa,
+  0xf8d1, 0x2687,
+  0xf8dc, 0x0bda,
+  0xf8dd, 0x0bdd,
+  0xf8de, 0x0bea,
+  0xf8df, 0x0bec,
+  0xf8e0, 0x0bf2,
+  0xf8e1, 0x2692,
+  0xf8e6, 0x0c92,
+  0xf8e7, 0x0d1a,
+  0xf8e8, 0x0d8c,
+  0xf8e9, 0x0dbe,
+  0xf8ea, 0x2697,
+  0xf8eb, 0x0dfb,
+  0xf8ec, 0x2698,
+  0xf8ef, 0x0e70,
+  0xf8f0, 0x269b,
+  0xf8f1, 0x0ea3,
+  0xf8f2, 0x269c,
+  0xf8f8, 0x103d,
+  0xf8f9, 0x10d9,
+  0xf8fa, 0x26a2,
+  0xf8fc, 0x10fb,
+  0xf8fd, 0x1109,
+  0xf8fe, 0x26a4,
+  0xf9a1, 0x11a1,
+  0xf9a2, 0x26a5,
+  0xf9a3, 0x11ba,
+  0xf9a4, 0x26a6,
+  0xf9a6, 0x11d5,
+  0xf9a7, 0x26a8,
+  0xf9a8, 0x11fd,
+  0xf9a9, 0x1219,
+  0xa1a2, 0x023f,
+  0xa1a3, 0x023e,
+  0xa1aa, 0x0256,
+  0xa1ab, 0x1e18,
+  0xa1ad, 0x0257,
+  0xa1b2, 0x0246,
+  0xa1fe, 0x1e1a,
+  0xa3a1, 0x0242,
+  0xa3a8, 0x0244,
+  0xa3ac, 0x023d,
+  0xa3ae, 0x1e1b,
+  0xa3ba, 0x0240,
+  0xa3bd, 0x1e1c,
+  0xa3bf, 0x0243,
+  0xa3db, 0x1e1d,
+  0xa3dd, 0x1e1e,
+  0xa3df, 0x0258,
+  0xa3fb, 0x0254,
+  0xa3fd, 0x0255,
+  0xa3fe, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBTEUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1e24, 0x032e, 0x032f, 0x0330, 0x0331, 0x0332, 0x0333, 0x0334,
+    0x0335, 0x0336, 0x0337, 0x0338, 0x0339, 0x033a, 0x033b, 0x033c,
+    0x033d, 0x033e, 0x033f, 0x0340, 0x0341, 0x0342, 0x0343, 0x0344,
+    0x0345, 0x0346, 0x0347, 0x0348, 0x0349, 0x034a, 0x034b, 0x034c,
+    0x034d, 0x034e, 0x034f, 0x0350, 0x0351, 0x0352, 0x0353, 0x0354,
+    0x0355, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035c,
+    0x035d, 0x035e, 0x035f, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364,
+    0x0365, 0x0366, 0x0367, 0x0368, 0x0369, 0x036a, 0x036b, 0x036c,
+    0x036d, 0x036e, 0x036f, 0x0370, 0x0371, 0x0372, 0x0373, 0x0374,
+    0x0375, 0x0376, 0x0377, 0x0378, 0x0379, 0x037a, 0x037b, 0x037c,
+    0x037d, 0x037e, 0x037f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384,
+    0x0385, 0x0386, 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBTEUCVMap2, 2303
+};
+
+static Gushort gb12GBTHMap2[4566] = {
+  0x0000, 0x0000,
+  0x2121, 0x0060,
+  0x2231, 0x00be,
+  0x2265, 0x00f0,
+  0x2271, 0x00fa,
+  0x2321, 0x0106,
+  0x2421, 0x0164,
+  0x2521, 0x01b7,
+  0x2621, 0x020d,
+  0x2641, 0x0225,
+  0x2721, 0x025a,
+  0x2751, 0x027b,
+  0x2821, 0x029c,
+  0x2845, 0x02bc,
+  0x2924, 0x02e2,
+  0x2a21, 0x032e,
+  0x2b21, 0x038c,
+  0x3021, 0x03ac,
+  0x3028, 0x1e25,
+  0x3029, 0x03b4,
+  0x302a, 0x1e26,
+  0x302b, 0x03b6,
+  0x302d, 0x1e27,
+  0x302f, 0x03ba,
+  0x3039, 0x1e29,
+  0x303a, 0x03c5,
+  0x3040, 0x1e2a,
+  0x3041, 0x03cc,
+  0x3053, 0x1e2b,
+  0x3054, 0x03df,
+  0x3055, 0x1e2c,
+  0x3056, 0x03e1,
+  0x305a, 0x1e2d,
+  0x305b, 0x03e6,
+  0x305c, 0x1e2e,
+  0x305d, 0x03e8,
+  0x3064, 0x1e2f,
+  0x3065, 0x03f0,
+  0x306c, 0x1e30,
+  0x306e, 0x03f9,
+  0x306f, 0x1e32,
+  0x3070, 0x03fb,
+  0x3073, 0x1e33,
+  0x3074, 0x03ff,
+  0x3077, 0x1e34,
+  0x3078, 0x0403,
+  0x3079, 0x1e35,
+  0x307a, 0x0405,
+  0x3121, 0x040a,
+  0x3125, 0x1e36,
+  0x3127, 0x0410,
+  0x3128, 0x1e38,
+  0x3129, 0x0412,
+  0x312b, 0x1e39,
+  0x312c, 0x0415,
+  0x3132, 0x1e3a,
+  0x3133, 0x041c,
+  0x3134, 0x1e3b,
+  0x3136, 0x041f,
+  0x3137, 0x1e3d,
+  0x313a, 0x0423,
+  0x3141, 0x1e40,
+  0x3142, 0x042b,
+  0x314a, 0x1e41,
+  0x314b, 0x0434,
+  0x314f, 0x1e42,
+  0x3151, 0x043a,
+  0x3152, 0x1e44,
+  0x3153, 0x043c,
+  0x3155, 0x1e45,
+  0x3156, 0x043f,
+  0x315f, 0x1e46,
+  0x3162, 0x044b,
+  0x3164, 0x1e49,
+  0x3165, 0x044e,
+  0x3167, 0x1e4a,
+  0x3169, 0x0452,
+  0x316a, 0x1e4c,
+  0x316b, 0x0454,
+  0x316e, 0x1e4d,
+  0x316f, 0x0458,
+  0x3171, 0x1e4e,
+  0x3172, 0x045b,
+  0x3174, 0x1e4f,
+  0x3178, 0x0461,
+  0x317d, 0x1e53,
+  0x317e, 0x0467,
+  0x3221, 0x0468,
+  0x3226, 0x1e54,
+  0x3228, 0x046f,
+  0x322c, 0x1e56,
+  0x322d, 0x0474,
+  0x3235, 0x1e57,
+  0x3236, 0x047d,
+  0x3239, 0x1e58,
+  0x323a, 0x0481,
+  0x3246, 0x1e59,
+  0x3247, 0x048e,
+  0x324e, 0x1e5a,
+  0x3258, 0x049f,
+  0x325e, 0x1e64,
+  0x325f, 0x04a6,
+  0x3260, 0x1e65,
+  0x3261, 0x04a8,
+  0x3262, 0x1e66,
+  0x3264, 0x04ab,
+  0x326f, 0x1e68,
+  0x3270, 0x04b7,
+  0x3273, 0x1e69,
+  0x327d, 0x04c4,
+  0x3321, 0x1e73,
+  0x3323, 0x04c8,
+  0x3324, 0x1e75,
+  0x3328, 0x04cd,
+  0x3329, 0x1e79,
+  0x332a, 0x04cf,
+  0x332e, 0x1e7a,
+  0x332f, 0x04d4,
+  0x3335, 0x1e7b,
+  0x3336, 0x04db,
+  0x3339, 0x1e7c,
+  0x333a, 0x04df,
+  0x333e, 0x1e7d,
+  0x333f, 0x04e4,
+  0x3342, 0x1e7e,
+  0x3343, 0x04e8,
+  0x3344, 0x1e7f,
+  0x3345, 0x04ea,
+  0x3346, 0x1e80,
+  0x3347, 0x04ec,
+  0x334d, 0x1e81,
+  0x334e, 0x04f3,
+  0x334f, 0x1e82,
+  0x3350, 0x04f5,
+  0x3352, 0x1e83,
+  0x3353, 0x04f8,
+  0x3359, 0x1e84,
+  0x335a, 0x04ff,
+  0x335b, 0x1e85,
+  0x335c, 0x0501,
+  0x335d, 0x1e86,
+  0x335e, 0x0503,
+  0x3363, 0x1e87,
+  0x3364, 0x0509,
+  0x3365, 0x1e88,
+  0x3367, 0x050c,
+  0x3368, 0x1e8a,
+  0x3369, 0x050e,
+  0x336b, 0x1e8b,
+  0x336d, 0x0512,
+  0x336f, 0x1e8d,
+  0x3370, 0x0515,
+  0x3371, 0x1e8e,
+  0x3372, 0x0517,
+  0x3373, 0x1e8f,
+  0x3374, 0x0519,
+  0x337a, 0x1e90,
+  0x337c, 0x0521,
+  0x3421, 0x1e92,
+  0x3423, 0x0526,
+  0x3425, 0x1e94,
+  0x3427, 0x052a,
+  0x342b, 0x1e96,
+  0x342c, 0x052f,
+  0x342f, 0x1e97,
+  0x3430, 0x0533,
+  0x3433, 0x1e98,
+  0x3435, 0x0538,
+  0x3438, 0x1e9a,
+  0x3439, 0x053c,
+  0x343f, 0x1e9b,
+  0x3440, 0x0543,
+  0x3442, 0x1e9c,
+  0x3443, 0x0546,
+  0x3447, 0x1e9d,
+  0x3448, 0x054b,
+  0x344a, 0x1e9e,
+  0x344b, 0x054e,
+  0x344d, 0x1e9f,
+  0x344e, 0x0551,
+  0x344f, 0x1ea0,
+  0x3450, 0x0553,
+  0x3453, 0x1ea1,
+  0x3455, 0x0558,
+  0x345a, 0x1ea3,
+  0x345b, 0x055e,
+  0x345c, 0x1ea4,
+  0x345d, 0x0560,
+  0x346d, 0x1ea5,
+  0x346e, 0x0571,
+  0x346f, 0x1ea6,
+  0x3470, 0x0573,
+  0x3478, 0x1ea7,
+  0x3479, 0x057c,
+  0x347b, 0x1ea8,
+  0x347c, 0x057f,
+  0x3521, 0x0582,
+  0x3523, 0x1ea9,
+  0x3524, 0x0585,
+  0x3525, 0x1eaa,
+  0x3529, 0x058a,
+  0x352c, 0x1eae,
+  0x352d, 0x058e,
+  0x352e, 0x1eaf,
+  0x3530, 0x0591,
+  0x3531, 0x1eb1,
+  0x3536, 0x0597,
+  0x3537, 0x1eb6,
+  0x3538, 0x0599,
+  0x353a, 0x1eb7,
+  0x353d, 0x059e,
+  0x3546, 0x1eba,
+  0x3547, 0x05a8,
+  0x354b, 0x1ebb,
+  0x354c, 0x05ad,
+  0x3550, 0x1ebc,
+  0x3551, 0x05b2,
+  0x3553, 0x1ebd,
+  0x3554, 0x05b5,
+  0x355d, 0x1ebe,
+  0x3560, 0x05c1,
+  0x3563, 0x1ec1,
+  0x3564, 0x05c5,
+  0x3566, 0x1ec2,
+  0x3568, 0x05c9,
+  0x356d, 0x1ec4,
+  0x356e, 0x05cf,
+  0x3576, 0x1ec5,
+  0x3578, 0x05d9,
+  0x357d, 0x1ec7,
+  0x357e, 0x05df,
+  0x3621, 0x05e0,
+  0x3624, 0x1ec8,
+  0x3626, 0x05e5,
+  0x3627, 0x1eca,
+  0x3628, 0x05e7,
+  0x3629, 0x1ecb,
+  0x362a, 0x05e9,
+  0x362b, 0x1ecc,
+  0x362c, 0x05eb,
+  0x362f, 0x1ecd,
+  0x3631, 0x05f0,
+  0x3633, 0x1ecf,
+  0x3634, 0x05f3,
+  0x3637, 0x1ed0,
+  0x3638, 0x05f7,
+  0x363f, 0x1ed1,
+  0x3642, 0x0601,
+  0x3644, 0x1ed4,
+  0x3645, 0x0604,
+  0x3646, 0x1ed5,
+  0x3647, 0x0606,
+  0x364d, 0x1ed6,
+  0x364e, 0x060d,
+  0x364f, 0x1ed7,
+  0x3651, 0x0610,
+  0x3653, 0x1ed9,
+  0x3655, 0x0614,
+  0x3656, 0x1edb,
+  0x3657, 0x0616,
+  0x3659, 0x1edc,
+  0x365a, 0x0619,
+  0x365b, 0x1edd,
+  0x365c, 0x061b,
+  0x3661, 0x1ede,
+  0x3662, 0x0621,
+  0x3669, 0x1edf,
+  0x366a, 0x0629,
+  0x366c, 0x1ee0,
+  0x366d, 0x062c,
+  0x366e, 0x1ee1,
+  0x3670, 0x062f,
+  0x3671, 0x1ee3,
+  0x3672, 0x0631,
+  0x3676, 0x1ee4,
+  0x3677, 0x0636,
+  0x3679, 0x1ee5,
+  0x367a, 0x0639,
+  0x367b, 0x1ee6,
+  0x367d, 0x063c,
+  0x3721, 0x1ee8,
+  0x3724, 0x0641,
+  0x3727, 0x1eeb,
+  0x3728, 0x0645,
+  0x372f, 0x1eec,
+  0x3731, 0x064e,
+  0x3733, 0x1eee,
+  0x3734, 0x0651,
+  0x3736, 0x1eef,
+  0x3738, 0x0655,
+  0x3739, 0x1ef1,
+  0x373a, 0x0657,
+  0x3743, 0x1ef2,
+  0x3745, 0x0662,
+  0x3749, 0x1ef4,
+  0x374a, 0x0667,
+  0x374c, 0x1ef5,
+  0x374d, 0x066a,
+  0x374f, 0x1ef6,
+  0x3750, 0x066d,
+  0x3751, 0x1ef7,
+  0x3752, 0x066f,
+  0x3757, 0x1ef8,
+  0x3759, 0x0676,
+  0x375c, 0x1efa,
+  0x375d, 0x067a,
+  0x375f, 0x1efb,
+  0x3762, 0x067f,
+  0x3763, 0x1efe,
+  0x3764, 0x0681,
+  0x3766, 0x1eff,
+  0x3769, 0x0686,
+  0x376b, 0x1f02,
+  0x376e, 0x068b,
+  0x376f, 0x1f05,
+  0x3770, 0x068d,
+  0x3774, 0x1f06,
+  0x3775, 0x0692,
+  0x3778, 0x1f07,
+  0x3779, 0x0696,
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+  0x6b33, 0x1963,
+  0x6b39, 0x24c3,
+  0x6b3a, 0x196a,
+  0x6b4a, 0x24c4,
+  0x6b4c, 0x197c,
+  0x6b4d, 0x24c6,
+  0x6b4e, 0x197e,
+  0x6b56, 0x24c7,
+  0x6b57, 0x1987,
+  0x6b5a, 0x24c8,
+  0x6b5b, 0x198b,
+  0x6b61, 0x24c9,
+  0x6b62, 0x1992,
+  0x6b77, 0x24ca,
+  0x6b78, 0x19a8,
+  0x6c21, 0x19af,
+  0x6c23, 0x24cb,
+  0x6c24, 0x19b2,
+  0x6c29, 0x24cc,
+  0x6c2f, 0x19bd,
+  0x6c31, 0x24d2,
+  0x6c32, 0x19c0,
+  0x6c34, 0x24d3,
+  0x6c36, 0x19c4,
+  0x6c3e, 0x24d5,
+  0x6c40, 0x19ce,
+  0x6c41, 0x24d7,
+  0x6c42, 0x19d0,
+  0x6c47, 0x24d8,
+  0x6c48, 0x19d6,
+  0x6c4b, 0x24d9,
+  0x6c4c, 0x19da,
+  0x6c62, 0x24da,
+  0x6c63, 0x19f1,
+  0x6c72, 0x24db,
+  0x6c73, 0x1a01,
+  0x6c75, 0x24dc,
+  0x6c76, 0x1a04,
+  0x6c78, 0x24dd,
+  0x6c79, 0x1a07,
+  0x6d21, 0x24de,
+  0x6d22, 0x1a0e,
+  0x6d28, 0x24df,
+  0x6d29, 0x1a15,
+  0x6d2f, 0x24e0,
+  0x6d31, 0x1a1d,
+  0x6d34, 0x24e2,
+  0x6d35, 0x1a21,
+  0x6d36, 0x24e3,
+  0x6d37, 0x1a23,
+  0x6d38, 0x24e4,
+  0x6d39, 0x1a25,
+  0x6d3a, 0x24e5,
+  0x6d3b, 0x1a27,
+  0x6d3f, 0x24e6,
+  0x6d40, 0x1a2c,
+  0x6d42, 0x24e7,
+  0x6d44, 0x1a30,
+  0x6d4c, 0x24e9,
+  0x6d4e, 0x1a3a,
+  0x6d53, 0x24eb,
+  0x6d54, 0x1a40,
+  0x6d57, 0x24ec,
+  0x6d58, 0x1a44,
+  0x6d68, 0x24ed,
+  0x6d69, 0x1a55,
+  0x6d6e, 0x24ee,
+  0x6d6f, 0x1a5b,
+  0x6d79, 0x24ef,
+  0x6d7b, 0x1a67,
+  0x6e21, 0x1a6b,
+  0x6e3c, 0x24f1,
+  0x6e3d, 0x1a87,
+  0x6e3f, 0x24f2,
+  0x6e40, 0x1a8a,
+  0x6e44, 0x24f3,
+  0x6f21, 0x252e,
+  0x6f72, 0x1b1a,
+  0x7021, 0x1b27,
+  0x7023, 0x257f,
+  0x7024, 0x1b2a,
+  0x702f, 0x2580,
+  0x705a, 0x1b60,
+  0x705c, 0x25ab,
+  0x705e, 0x1b64,
+  0x705f, 0x25ad,
+  0x7060, 0x1b66,
+  0x7069, 0x25ae,
+  0x706a, 0x1b70,
+  0x706c, 0x25af,
+  0x706d, 0x1b73,
+  0x706f, 0x25b0,
+  0x7070, 0x1b76,
+  0x7077, 0x25b1,
+  0x7078, 0x1b7e,
+  0x7079, 0x25b2,
+  0x707a, 0x1b80,
+  0x707c, 0x25b3,
+  0x707d, 0x1b83,
+  0x7121, 0x1b85,
+  0x7128, 0x25b4,
+  0x7129, 0x1b8d,
+  0x712b, 0x25b5,
+  0x712c, 0x1b90,
+  0x712e, 0x25b6,
+  0x712f, 0x1b93,
+  0x7132, 0x25b7,
+  0x7133, 0x1b97,
+  0x713c, 0x25b8,
+  0x713d, 0x1ba1,
+  0x7140, 0x25b9,
+  0x7141, 0x1ba5,
+  0x7149, 0x25ba,
+  0x714a, 0x1bae,
+  0x714d, 0x25bb,
+  0x714e, 0x1bb2,
+  0x714f, 0x25bc,
+  0x7151, 0x1bb5,
+  0x715a, 0x25be,
+  0x715b, 0x1bbf,
+  0x715c, 0x25bf,
+  0x715d, 0x1bc1,
+  0x7164, 0x25c0,
+  0x7165, 0x1bc9,
+  0x716c, 0x25c1,
+  0x716d, 0x1bd1,
+  0x716f, 0x25c2,
+  0x7170, 0x1bd4,
+  0x7177, 0x25c3,
+  0x7178, 0x1bdc,
+  0x7179, 0x25c4,
+  0x717a, 0x1bde,
+  0x717c, 0x25c5,
+  0x7221, 0x25c8,
+  0x722e, 0x1bf0,
+  0x7231, 0x25d5,
+  0x7233, 0x1bf5,
+  0x7239, 0x25d7,
+  0x723a, 0x1bfc,
+  0x7243, 0x25d8,
+  0x7244, 0x1c06,
+  0x7249, 0x25d9,
+  0x724a, 0x1c0c,
+  0x724c, 0x25da,
+  0x724e, 0x1c10,
+  0x724f, 0x25dc,
+  0x7250, 0x1c12,
+  0x7253, 0x25dd,
+  0x7254, 0x1c16,
+  0x7265, 0x25de,
+  0x7266, 0x1c28,
+  0x726e, 0x25df,
+  0x726f, 0x1c31,
+  0x7277, 0x25e0,
+  0x7278, 0x1c3a,
+  0x727d, 0x25e1,
+  0x727e, 0x1c40,
+  0x7321, 0x1c41,
+  0x733f, 0x25e2,
+  0x7340, 0x1c60,
+  0x7346, 0x25e3,
+  0x7347, 0x1c67,
+  0x7348, 0x25e4,
+  0x7349, 0x1c69,
+  0x7356, 0x25e5,
+  0x7357, 0x1c77,
+  0x7359, 0x25e6,
+  0x735a, 0x1c7a,
+  0x7365, 0x25e7,
+  0x7367, 0x1c87,
+  0x736a, 0x25e9,
+  0x736b, 0x1c8b,
+  0x736c, 0x25ea,
+  0x736d, 0x1c8d,
+  0x736f, 0x25eb,
+  0x7370, 0x1c90,
+  0x7371, 0x25ec,
+  0x7372, 0x1c92,
+  0x737d, 0x25ed,
+  0x737e, 0x1c9e,
+  0x7421, 0x1c9f,
+  0x7425, 0x25ee,
+  0x7426, 0x1ca4,
+  0x742f, 0x25ef,
+  0x7430, 0x1cae,
+  0x7435, 0x25f0,
+  0x7436, 0x1cb4,
+  0x7441, 0x25f1,
+  0x7442, 0x1cc0,
+  0x7447, 0x25f2,
+  0x7448, 0x1cc6,
+  0x744f, 0x25f3,
+  0x7451, 0x1ccf,
+  0x7456, 0x25f5,
+  0x7457, 0x1cd5,
+  0x746a, 0x25f6,
+  0x746b, 0x1ce9,
+  0x746f, 0x25f7,
+  0x7470, 0x1cee,
+  0x7475, 0x25f8,
+  0x7476, 0x1cf4,
+  0x7521, 0x1cfd,
+  0x7526, 0x25f9,
+  0x7528, 0x1d04,
+  0x753a, 0x25fb,
+  0x753c, 0x1d18,
+  0x7544, 0x25fd,
+  0x7545, 0x1d21,
+  0x7548, 0x25fe,
+  0x7549, 0x1d25,
+  0x754e, 0x25ff,
+  0x7550, 0x1d2c,
+  0x7551, 0x2601,
+  0x7553, 0x1d2f,
+  0x7559, 0x2603,
+  0x755a, 0x1d36,
+  0x755c, 0x2604,
+  0x755d, 0x1d39,
+  0x7566, 0x2605,
+  0x7568, 0x1d44,
+  0x756f, 0x2607,
+  0x7570, 0x1d4c,
+  0x7572, 0x2608,
+  0x7573, 0x1d4f,
+  0x757c, 0x2609,
+  0x757d, 0x1d59,
+  0x7621, 0x1d5b,
+  0x7623, 0x260a,
+  0x7624, 0x1d5e,
+  0x7626, 0x260b,
+  0x7627, 0x1d61,
+  0x7628, 0x260c,
+  0x7629, 0x1d63,
+  0x762b, 0x260d,
+  0x762c, 0x1d66,
+  0x7630, 0x260e,
+  0x7631, 0x1d6b,
+  0x7633, 0x260f,
+  0x763f, 0x1d79,
+  0x7645, 0x261b,
+  0x7646, 0x1d80,
+  0x7647, 0x261c,
+  0x7648, 0x1d82,
+  0x7649, 0x261d,
+  0x764a, 0x1d84,
+  0x764f, 0x261e,
+  0x7721, 0x264e,
+  0x7730, 0x1dc8,
+  0x7732, 0x265d,
+  0x7734, 0x1dcc,
+  0x7735, 0x265f,
+  0x7736, 0x1dce,
+  0x773d, 0x2660,
+  0x773e, 0x1dd6,
+  0x7743, 0x2661,
+  0x7744, 0x1ddc,
+  0x7745, 0x2662,
+  0x7747, 0x1ddf,
+  0x774a, 0x2664,
+  0x774c, 0x1de4,
+  0x774f, 0x2666,
+  0x7751, 0x1de9,
+  0x775e, 0x2668,
+  0x775f, 0x1df7,
+  0x7761, 0x0ab9,
+  0x7762, 0x1dfa,
+  0x7772, 0x2669,
+  0x7773, 0x1e0b,
+  0x7775, 0x266a,
+  0x7776, 0x1e0e,
+  0x7821, 0x266b,
+  0x7827, 0x04cc,
+  0x7828, 0x050a,
+  0x7829, 0x0518,
+  0x782a, 0x2671,
+  0x782c, 0x0594,
+  0x782d, 0x05ce,
+  0x782e, 0x2673,
+  0x782f, 0x05f6,
+  0x7830, 0x2674,
+  0x7832, 0x0653,
+  0x7833, 0x067e,
+  0x7834, 0x2676,
+  0x7835, 0x06c4,
+  0x7836, 0x2677,
+  0x7838, 0x073c,
+  0x7839, 0x2679,
+  0x783b, 0x07c3,
+  0x783c, 0x267b,
+  0x7840, 0x082b,
+  0x7841, 0x267f,
+  0x7842, 0x084e,
+  0x7843, 0x0869,
+  0x7844, 0x2680,
+  0x7846, 0x090c,
+  0x7847, 0x2682,
+  0x7849, 0x0971,
+  0x784a, 0x2684,
+  0x784b, 0x099a,
+  0x784d, 0x2685,
+  0x784e, 0x09da,
+  0x784f, 0x2686,
+  0x7850, 0x09fa,
+  0x7851, 0x2687,
+  0x785c, 0x0bda,
+  0x785d, 0x0bdd,
+  0x785e, 0x0bea,
+  0x785f, 0x0bec,
+  0x7860, 0x0bf2,
+  0x7861, 0x2692,
+  0x7866, 0x0c92,
+  0x7867, 0x0d1a,
+  0x7868, 0x0d8c,
+  0x7869, 0x0dbe,
+  0x786a, 0x2697,
+  0x786b, 0x0dfb,
+  0x786c, 0x2698,
+  0x786f, 0x0e70,
+  0x7870, 0x269b,
+  0x7871, 0x0ea3,
+  0x7872, 0x269c,
+  0x7878, 0x103d,
+  0x7879, 0x10d9,
+  0x787a, 0x26a2,
+  0x787c, 0x10fb,
+  0x787d, 0x1109,
+  0x787e, 0x26a4,
+  0x7921, 0x11a1,
+  0x7922, 0x26a5,
+  0x7923, 0x11ba,
+  0x7924, 0x26a6,
+  0x7926, 0x11d5,
+  0x7927, 0x26a8,
+  0x7928, 0x11fd,
+  0x7929, 0x1219,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBTHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBTHMap2, 2283
+};
+
+static Gushort gb12GBTVMap2[4606] = {
+  0x0000, 0x0000,
+  0x2121, 0x0060,
+  0x2231, 0x00be,
+  0x2265, 0x00f0,
+  0x2271, 0x00fa,
+  0x2321, 0x0106,
+  0x2421, 0x0164,
+  0x2521, 0x01b7,
+  0x2621, 0x020d,
+  0x2641, 0x0225,
+  0x2721, 0x025a,
+  0x2751, 0x027b,
+  0x2821, 0x029c,
+  0x2845, 0x02bc,
+  0x2924, 0x02e2,
+  0x2a21, 0x032e,
+  0x2b21, 0x038c,
+  0x3021, 0x03ac,
+  0x3028, 0x1e25,
+  0x3029, 0x03b4,
+  0x302a, 0x1e26,
+  0x302b, 0x03b6,
+  0x302d, 0x1e27,
+  0x302f, 0x03ba,
+  0x3039, 0x1e29,
+  0x303a, 0x03c5,
+  0x3040, 0x1e2a,
+  0x3041, 0x03cc,
+  0x3053, 0x1e2b,
+  0x3054, 0x03df,
+  0x3055, 0x1e2c,
+  0x3056, 0x03e1,
+  0x305a, 0x1e2d,
+  0x305b, 0x03e6,
+  0x305c, 0x1e2e,
+  0x305d, 0x03e8,
+  0x3064, 0x1e2f,
+  0x3065, 0x03f0,
+  0x306c, 0x1e30,
+  0x306e, 0x03f9,
+  0x306f, 0x1e32,
+  0x3070, 0x03fb,
+  0x3073, 0x1e33,
+  0x3074, 0x03ff,
+  0x3077, 0x1e34,
+  0x3078, 0x0403,
+  0x3079, 0x1e35,
+  0x307a, 0x0405,
+  0x3121, 0x040a,
+  0x3125, 0x1e36,
+  0x3127, 0x0410,
+  0x3128, 0x1e38,
+  0x3129, 0x0412,
+  0x312b, 0x1e39,
+  0x312c, 0x0415,
+  0x3132, 0x1e3a,
+  0x3133, 0x041c,
+  0x3134, 0x1e3b,
+  0x3136, 0x041f,
+  0x3137, 0x1e3d,
+  0x313a, 0x0423,
+  0x3141, 0x1e40,
+  0x3142, 0x042b,
+  0x314a, 0x1e41,
+  0x314b, 0x0434,
+  0x314f, 0x1e42,
+  0x3151, 0x043a,
+  0x3152, 0x1e44,
+  0x3153, 0x043c,
+  0x3155, 0x1e45,
+  0x3156, 0x043f,
+  0x315f, 0x1e46,
+  0x3162, 0x044b,
+  0x3164, 0x1e49,
+  0x3165, 0x044e,
+  0x3167, 0x1e4a,
+  0x3169, 0x0452,
+  0x316a, 0x1e4c,
+  0x316b, 0x0454,
+  0x316e, 0x1e4d,
+  0x316f, 0x0458,
+  0x3171, 0x1e4e,
+  0x3172, 0x045b,
+  0x3174, 0x1e4f,
+  0x3178, 0x0461,
+  0x317d, 0x1e53,
+  0x317e, 0x0467,
+  0x3221, 0x0468,
+  0x3226, 0x1e54,
+  0x3228, 0x046f,
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+  0x786f, 0x0e70,
+  0x7870, 0x269b,
+  0x7871, 0x0ea3,
+  0x7872, 0x269c,
+  0x7878, 0x103d,
+  0x7879, 0x10d9,
+  0x787a, 0x26a2,
+  0x787c, 0x10fb,
+  0x787d, 0x1109,
+  0x787e, 0x26a4,
+  0x7921, 0x11a1,
+  0x7922, 0x26a5,
+  0x7923, 0x11ba,
+  0x7924, 0x26a6,
+  0x7926, 0x11d5,
+  0x7927, 0x26a8,
+  0x7928, 0x11fd,
+  0x7929, 0x1219,
+  0x2122, 0x023f,
+  0x2123, 0x023e,
+  0x212a, 0x0256,
+  0x212b, 0x1e18,
+  0x212d, 0x0257,
+  0x2132, 0x0246,
+  0x217e, 0x1e1a,
+  0x2321, 0x0242,
+  0x2328, 0x0244,
+  0x232c, 0x023d,
+  0x232e, 0x1e1b,
+  0x233a, 0x0240,
+  0x233d, 0x1e1c,
+  0x233f, 0x0243,
+  0x235b, 0x1e1d,
+  0x235d, 0x1e1e,
+  0x235f, 0x0258,
+  0x237b, 0x0254,
+  0x237d, 0x0255,
+  0x237e, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBTVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12GBTVMap2, 2303
+};
+
+static Gushort gb12GBTpcEUCHMap2[4566] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb0a8, 0x1e25,
+  0xb0a9, 0x03b4,
+  0xb0aa, 0x1e26,
+  0xb0ab, 0x03b6,
+  0xb0ad, 0x1e27,
+  0xb0af, 0x03ba,
+  0xb0b9, 0x1e29,
+  0xb0ba, 0x03c5,
+  0xb0c0, 0x1e2a,
+  0xb0c1, 0x03cc,
+  0xb0d3, 0x1e2b,
+  0xb0d4, 0x03df,
+  0xb0d5, 0x1e2c,
+  0xb0d6, 0x03e1,
+  0xb0da, 0x1e2d,
+  0xb0db, 0x03e6,
+  0xb0dc, 0x1e2e,
+  0xb0dd, 0x03e8,
+  0xb0e4, 0x1e2f,
+  0xb0e5, 0x03f0,
+  0xb0ec, 0x1e30,
+  0xb0ee, 0x03f9,
+  0xb0ef, 0x1e32,
+  0xb0f0, 0x03fb,
+  0xb0f3, 0x1e33,
+  0xb0f4, 0x03ff,
+  0xb0f7, 0x1e34,
+  0xb0f8, 0x0403,
+  0xb0f9, 0x1e35,
+  0xb0fa, 0x0405,
+  0xb1a1, 0x040a,
+  0xb1a5, 0x1e36,
+  0xb1a7, 0x0410,
+  0xb1a8, 0x1e38,
+  0xb1a9, 0x0412,
+  0xb1ab, 0x1e39,
+  0xb1ac, 0x0415,
+  0xb1b2, 0x1e3a,
+  0xb1b3, 0x041c,
+  0xb1b4, 0x1e3b,
+  0xb1b6, 0x041f,
+  0xb1b7, 0x1e3d,
+  0xb1ba, 0x0423,
+  0xb1c1, 0x1e40,
+  0xb1c2, 0x042b,
+  0xb1ca, 0x1e41,
+  0xb1cb, 0x0434,
+  0xb1cf, 0x1e42,
+  0xb1d1, 0x043a,
+  0xb1d2, 0x1e44,
+  0xb1d3, 0x043c,
+  0xb1d5, 0x1e45,
+  0xb1d6, 0x043f,
+  0xb1df, 0x1e46,
+  0xb1e2, 0x044b,
+  0xb1e4, 0x1e49,
+  0xb1e5, 0x044e,
+  0xb1e7, 0x1e4a,
+  0xb1e9, 0x0452,
+  0xb1ea, 0x1e4c,
+  0xb1eb, 0x0454,
+  0xb1ee, 0x1e4d,
+  0xb1ef, 0x0458,
+  0xb1f1, 0x1e4e,
+  0xb1f2, 0x045b,
+  0xb1f4, 0x1e4f,
+  0xb1f8, 0x0461,
+  0xb1fd, 0x1e53,
+  0xb1fe, 0x0467,
+  0xb2a1, 0x0468,
+  0xb2a6, 0x1e54,
+  0xb2a8, 0x046f,
+  0xb2ac, 0x1e56,
+  0xb2ad, 0x0474,
+  0xb2b5, 0x1e57,
+  0xb2b6, 0x047d,
+  0xb2b9, 0x1e58,
+  0xb2ba, 0x0481,
+  0xb2c6, 0x1e59,
+  0xb2c7, 0x048e,
+  0xb2ce, 0x1e5a,
+  0xb2d8, 0x049f,
+  0xb2de, 0x1e64,
+  0xb2df, 0x04a6,
+  0xb2e0, 0x1e65,
+  0xb2e1, 0x04a8,
+  0xb2e2, 0x1e66,
+  0xb2e4, 0x04ab,
+  0xb2ef, 0x1e68,
+  0xb2f0, 0x04b7,
+  0xb2f3, 0x1e69,
+  0xb2fd, 0x04c4,
+  0xb3a1, 0x1e73,
+  0xb3a3, 0x04c8,
+  0xb3a4, 0x1e75,
+  0xb3a8, 0x04cd,
+  0xb3a9, 0x1e79,
+  0xb3aa, 0x04cf,
+  0xb3ae, 0x1e7a,
+  0xb3af, 0x04d4,
+  0xb3b5, 0x1e7b,
+  0xb3b6, 0x04db,
+  0xb3b9, 0x1e7c,
+  0xb3ba, 0x04df,
+  0xb3be, 0x1e7d,
+  0xb3bf, 0x04e4,
+  0xb3c2, 0x1e7e,
+  0xb3c3, 0x04e8,
+  0xb3c4, 0x1e7f,
+  0xb3c5, 0x04ea,
+  0xb3c6, 0x1e80,
+  0xb3c7, 0x04ec,
+  0xb3cd, 0x1e81,
+  0xb3ce, 0x04f3,
+  0xb3cf, 0x1e82,
+  0xb3d0, 0x04f5,
+  0xb3d2, 0x1e83,
+  0xb3d3, 0x04f8,
+  0xb3d9, 0x1e84,
+  0xb3da, 0x04ff,
+  0xb3db, 0x1e85,
+  0xb3dc, 0x0501,
+  0xb3dd, 0x1e86,
+  0xb3de, 0x0503,
+  0xb3e3, 0x1e87,
+  0xb3e4, 0x0509,
+  0xb3e5, 0x1e88,
+  0xb3e7, 0x050c,
+  0xb3e8, 0x1e8a,
+  0xb3e9, 0x050e,
+  0xb3eb, 0x1e8b,
+  0xb3ed, 0x0512,
+  0xb3ef, 0x1e8d,
+  0xb3f0, 0x0515,
+  0xb3f1, 0x1e8e,
+  0xb3f2, 0x0517,
+  0xb3f3, 0x1e8f,
+  0xb3f4, 0x0519,
+  0xb3fa, 0x1e90,
+  0xb3fc, 0x0521,
+  0xb4a1, 0x1e92,
+  0xb4a3, 0x0526,
+  0xb4a5, 0x1e94,
+  0xb4a7, 0x052a,
+  0xb4ab, 0x1e96,
+  0xb4ac, 0x052f,
+  0xb4af, 0x1e97,
+  0xb4b0, 0x0533,
+  0xb4b3, 0x1e98,
+  0xb4b5, 0x0538,
+  0xb4b8, 0x1e9a,
+  0xb4b9, 0x053c,
+  0xb4bf, 0x1e9b,
+  0xb4c0, 0x0543,
+  0xb4c2, 0x1e9c,
+  0xb4c3, 0x0546,
+  0xb4c7, 0x1e9d,
+  0xb4c8, 0x054b,
+  0xb4ca, 0x1e9e,
+  0xb4cb, 0x054e,
+  0xb4cd, 0x1e9f,
+  0xb4ce, 0x0551,
+  0xb4cf, 0x1ea0,
+  0xb4d0, 0x0553,
+  0xb4d3, 0x1ea1,
+  0xb4d5, 0x0558,
+  0xb4da, 0x1ea3,
+  0xb4db, 0x055e,
+  0xb4dc, 0x1ea4,
+  0xb4dd, 0x0560,
+  0xb4ed, 0x1ea5,
+  0xb4ee, 0x0571,
+  0xb4ef, 0x1ea6,
+  0xb4f0, 0x0573,
+  0xb4f8, 0x1ea7,
+  0xb4f9, 0x057c,
+  0xb4fb, 0x1ea8,
+  0xb4fc, 0x057f,
+  0xb5a1, 0x0582,
+  0xb5a3, 0x1ea9,
+  0xb5a4, 0x0585,
+  0xb5a5, 0x1eaa,
+  0xb5a9, 0x058a,
+  0xb5ac, 0x1eae,
+  0xb5ad, 0x058e,
+  0xb5ae, 0x1eaf,
+  0xb5b0, 0x0591,
+  0xb5b1, 0x1eb1,
+  0xb5b6, 0x0597,
+  0xb5b7, 0x1eb6,
+  0xb5b8, 0x0599,
+  0xb5ba, 0x1eb7,
+  0xb5bd, 0x059e,
+  0xb5c6, 0x1eba,
+  0xb5c7, 0x05a8,
+  0xb5cb, 0x1ebb,
+  0xb5cc, 0x05ad,
+  0xb5d0, 0x1ebc,
+  0xb5d1, 0x05b2,
+  0xb5d3, 0x1ebd,
+  0xb5d4, 0x05b5,
+  0xb5dd, 0x1ebe,
+  0xb5e0, 0x05c1,
+  0xb5e3, 0x1ec1,
+  0xb5e4, 0x05c5,
+  0xb5e6, 0x1ec2,
+  0xb5e8, 0x05c9,
+  0xb5ed, 0x1ec4,
+  0xb5ee, 0x05cf,
+  0xb5f6, 0x1ec5,
+  0xb5f8, 0x05d9,
+  0xb5fd, 0x1ec7,
+  0xb5fe, 0x05df,
+  0xb6a1, 0x05e0,
+  0xb6a4, 0x1ec8,
+  0xb6a6, 0x05e5,
+  0xb6a7, 0x1eca,
+  0xb6a8, 0x05e7,
+  0xb6a9, 0x1ecb,
+  0xb6aa, 0x05e9,
+  0xb6ab, 0x1ecc,
+  0xb6ac, 0x05eb,
+  0xb6af, 0x1ecd,
+  0xb6b1, 0x05f0,
+  0xb6b3, 0x1ecf,
+  0xb6b4, 0x05f3,
+  0xb6b7, 0x1ed0,
+  0xb6b8, 0x05f7,
+  0xb6bf, 0x1ed1,
+  0xb6c2, 0x0601,
+  0xb6c4, 0x1ed4,
+  0xb6c5, 0x0604,
+  0xb6c6, 0x1ed5,
+  0xb6c7, 0x0606,
+  0xb6cd, 0x1ed6,
+  0xb6ce, 0x060d,
+  0xb6cf, 0x1ed7,
+  0xb6d1, 0x0610,
+  0xb6d3, 0x1ed9,
+  0xb6d5, 0x0614,
+  0xb6d6, 0x1edb,
+  0xb6d7, 0x0616,
+  0xb6d9, 0x1edc,
+  0xb6da, 0x0619,
+  0xb6db, 0x1edd,
+  0xb6dc, 0x061b,
+  0xb6e1, 0x1ede,
+  0xb6e2, 0x0621,
+  0xb6e9, 0x1edf,
+  0xb6ea, 0x0629,
+  0xb6ec, 0x1ee0,
+  0xb6ed, 0x062c,
+  0xb6ee, 0x1ee1,
+  0xb6f0, 0x062f,
+  0xb6f1, 0x1ee3,
+  0xb6f2, 0x0631,
+  0xb6f6, 0x1ee4,
+  0xb6f7, 0x0636,
+  0xb6f9, 0x1ee5,
+  0xb6fa, 0x0639,
+  0xb6fb, 0x1ee6,
+  0xb6fd, 0x063c,
+  0xb7a1, 0x1ee8,
+  0xb7a4, 0x0641,
+  0xb7a7, 0x1eeb,
+  0xb7a8, 0x0645,
+  0xb7af, 0x1eec,
+  0xb7b1, 0x064e,
+  0xb7b3, 0x1eee,
+  0xb7b4, 0x0651,
+  0xb7b6, 0x1eef,
+  0xb7b8, 0x0655,
+  0xb7b9, 0x1ef1,
+  0xb7ba, 0x0657,
+  0xb7c3, 0x1ef2,
+  0xb7c5, 0x0662,
+  0xb7c9, 0x1ef4,
+  0xb7ca, 0x0667,
+  0xb7cc, 0x1ef5,
+  0xb7cd, 0x066a,
+  0xb7cf, 0x1ef6,
+  0xb7d0, 0x066d,
+  0xb7d1, 0x1ef7,
+  0xb7d2, 0x066f,
+  0xb7d7, 0x1ef8,
+  0xb7d9, 0x0676,
+  0xb7dc, 0x1efa,
+  0xb7dd, 0x067a,
+  0xb7df, 0x1efb,
+  0xb7e2, 0x067f,
+  0xb7e3, 0x1efe,
+  0xb7e4, 0x0681,
+  0xb7e6, 0x1eff,
+  0xb7e9, 0x0686,
+  0xb7eb, 0x1f02,
+  0xb7ee, 0x068b,
+  0xb7ef, 0x1f05,
+  0xb7f0, 0x068d,
+  0xb7f4, 0x1f06,
+  0xb7f5, 0x0692,
+  0xb7f8, 0x1f07,
+  0xb7f9, 0x0696,
+  0xb8a1, 0x069c,
+  0xb8a7, 0x1f08,
+  0xb8a9, 0x06a4,
+  0xb8b3, 0x1f0a,
+  0xb8b5, 0x06b0,
+  0xb8ba, 0x1f0c,
+  0xb8bb, 0x06b6,
+  0xb8bc, 0x1f0d,
+  0xb8bd, 0x06b8,
+  0xb8be, 0x1f0e,
+  0xb8c0, 0x06bb,
+  0xb8c3, 0x1f10,
+  0xb8c4, 0x06bf,
+  0xb8c6, 0x1f11,
+  0xb8c8, 0x06c3,
+  0xb8c9, 0x1f13,
+  0xb8ca, 0x06c5,
+  0xb8cf, 0x1f14,
+  0xb8d0, 0x06cb,
+  0xb8d3, 0x1f15,
+  0xb8d7, 0x06d2,
+  0xb8d9, 0x1f19,
+  0xb8db, 0x06d6,
+  0xb8e4, 0x1f1b,
+  0xb8e5, 0x06e0,
+  0xb8e9, 0x1f1c,
+  0xb8ea, 0x06e5,
+  0xb8eb, 0x1f1d,
+  0xb8ec, 0x06e7,
+  0xb8f3, 0x1f1e,
+  0xb8f4, 0x06ef,
+  0xb8f5, 0x1f1f,
+  0xb8f7, 0x06f2,
+  0xb8f8, 0x1f21,
+  0xb8f9, 0x06f4,
+  0xb9a1, 0x06fa,
+  0xb9a8, 0x1f22,
+  0xb9a9, 0x0702,
+  0xb9ae, 0x1f23,
+  0xb9af, 0x0708,
+  0xb9b1, 0x1f24,
+  0xb9b2, 0x070b,
+  0xb9b3, 0x1f25,
+  0xb9b4, 0x070d,
+  0xb9b5, 0x1f26,
+  0xb9b6, 0x070f,
+  0xb9b9, 0x1f27,
+  0xb9bb, 0x0714,
+  0xb9c6, 0x1f29,
+  0xb9c7, 0x0720,
+  0xb9cb, 0x1f2a,
+  0xb9cc, 0x0725,
+  0xb9d0, 0x1f2b,
+  0xb9d1, 0x072a,
+  0xb9d8, 0x1f2c,
+  0xb9d9, 0x0732,
+  0xb9db, 0x1f2d,
+  0xb9dc, 0x0735,
+  0xb9dd, 0x1f2e,
+  0xb9de, 0x0737,
+  0xb9df, 0x1f2f,
+  0xb9e0, 0x0739,
+  0xb9e1, 0x1f30,
+  0xb9e2, 0x073b,
+  0xb9e3, 0x1f31,
+  0xb9e4, 0x073d,
+  0xb9e6, 0x1f32,
+  0xb9e7, 0x0740,
+  0xb9e9, 0x1f33,
+  0xb9ed, 0x0746,
+  0xb9ee, 0x1f37,
+  0xb9ef, 0x0748,
+  0xb9f1, 0x1f38,
+  0xb9f2, 0x074b,
+  0xb9f3, 0x1f39,
+  0xb9f6, 0x074f,
+  0xb9f8, 0x1f3c,
+  0xb9f9, 0x0752,
+  0xb9fa, 0x1f3d,
+  0xb9fb, 0x0754,
+  0xb9fd, 0x1f3e,
+  0xb9fe, 0x0757,
+  0xbaa1, 0x0758,
+  0xbaa7, 0x1f3f,
+  0xbaa8, 0x075f,
+  0xbaab, 0x1f40,
+  0xbaac, 0x0763,
+  0xbaba, 0x1f41,
+  0xbabb, 0x0772,
+  0xbac5, 0x1f42,
+  0xbac6, 0x077d,
+  0xbad2, 0x1f43,
+  0xbad3, 0x078a,
+  0xbad7, 0x1f44,
+  0xbad9, 0x0790,
+  0xbae4, 0x1f46,
+  0xbae5, 0x079c,
+  0xbae8, 0x1f47,
+  0xbae9, 0x07a0,
+  0xbaec, 0x1f48,
+  0xbaed, 0x07a4,
+  0xbaf3, 0x15e5,
+  0xbaf4, 0x07ab,
+  0xbaf8, 0x1f49,
+  0xbaf9, 0x07b0,
+  0xbba1, 0x07b6,
+  0xbba4, 0x1f4a,
+  0xbba5, 0x07ba,
+  0xbba6, 0x1f4b,
+  0xbba7, 0x07bc,
+  0xbba9, 0x1f4c,
+  0xbbab, 0x07c0,
+  0xbbad, 0x1f4e,
+  0xbbaf, 0x07c4,
+  0xbbb0, 0x1f50,
+  0xbbb1, 0x07c6,
+  0xbbb3, 0x1f51,
+  0xbbb4, 0x07c9,
+  0xbbb5, 0x1f52,
+  0xbbb8, 0x07cd,
+  0xbbb9, 0x1f55,
+  0xbbbb, 0x07d0,
+  0xbbd1, 0x1f57,
+  0xbbd2, 0x07e7,
+  0xbbd3, 0x1f58,
+  0xbbd5, 0x07ea,
+  0xbbdf, 0x1f5a,
+  0xbbe8, 0x07fd,
+  0xbbeb, 0x1f63,
+  0xbbec, 0x0801,
+  0xbbf1, 0x1f64,
+  0xbbf2, 0x0807,
+  0xbbf5, 0x1f65,
+  0xbbf8, 0x080d,
+  0xbbfa, 0x1f68,
+  0xbbfb, 0x0810,
+  0xbbfd, 0x1f69,
+  0xbbfe, 0x0813,
+  0xbca1, 0x0814,
+  0xbca2, 0x1f6a,
+  0xbca3, 0x0816,
+  0xbca5, 0x1f6b,
+  0xbca7, 0x081a,
+  0xbca8, 0x1f6d,
+  0xbcaa, 0x081d,
+  0xbcab, 0x1f6f,
+  0xbcac, 0x081f,
+  0xbcad, 0x1f70,
+  0xbcae, 0x0821,
+  0xbcb6, 0x1f71,
+  0xbcb9, 0x082c,
+  0xbcbb, 0x1f74,
+  0xbcbc, 0x082f,
+  0xbcc1, 0x1f75,
+  0xbcc2, 0x0835,
+  0xbcc3, 0x1f76,
+  0xbcc4, 0x0837,
+  0xbcc6, 0x1f77,
+  0xbcc8, 0x083b,
+  0xbcca, 0x1f79,
+  0xbccb, 0x083e,
+  0xbccc, 0x1f7a,
+  0xbcce, 0x0841,
+  0xbcd0, 0x1f7c,
+  0xbcd1, 0x0844,
+  0xbcd4, 0x1f7d,
+  0xbcd7, 0x084a,
+  0xbcd8, 0x1f80,
+  0xbcd9, 0x084c,
+  0xbcdb, 0x1f81,
+  0xbcdc, 0x084f,
+  0xbcdd, 0x1f82,
+  0xbcde, 0x0851,
+  0xbcdf, 0x1f83,
+  0xbce2, 0x0855,
+  0xbce3, 0x1f86,
+  0xbce5, 0x0858,
+  0xbce8, 0x1f88,
+  0xbce9, 0x085c,
+  0xbcea, 0x1f89,
+  0xbced, 0x0860,
+  0xbcef, 0x1f8c,
+  0xbcf4, 0x0867,
+  0xbcf6, 0x1f91,
+  0xbcfd, 0x0870,
+  0xbda1, 0x0872,
+  0xbda2, 0x1f98,
+  0xbda8, 0x0879,
+  0xbdab, 0x1f9e,
+  0xbdad, 0x087e,
+  0xbdaf, 0x1fa0,
+  0xbdb3, 0x0884,
+  0xbdb4, 0x1fa4,
+  0xbdb5, 0x0886,
+  0xbdba, 0x1fa5,
+  0xbdbb, 0x088c,
+  0xbdbd, 0x1fa6,
+  0xbdc0, 0x0891,
+  0xbdc1, 0x1fa9,
+  0xbdc5, 0x0896,
+  0xbdc8, 0x1fad,
+  0xbdcb, 0x089c,
+  0xbdce, 0x1fb0,
+  0xbdd0, 0x08a1,
+  0xbdd7, 0x1fb2,
+  0xbdd8, 0x08a9,
+  0xbdda, 0x1fb3,
+  0xbddb, 0x08ac,
+  0xbde0, 0x1fb4,
+  0xbde2, 0x08b3,
+  0xbdeb, 0x1fb6,
+  0xbdec, 0x08bd,
+  0xbdf4, 0x1fb7,
+  0xbdf9, 0x08ca,
+  0xbdfd, 0x1fbc,
+  0xbdfe, 0x08cf,
+  0xbea1, 0x1fbd,
+  0xbea3, 0x08d2,
+  0xbea5, 0x1fbf,
+  0xbea6, 0x08d5,
+  0xbea8, 0x1fc0,
+  0xbea9, 0x08d8,
+  0xbeaa, 0x1fc1,
+  0xbeab, 0x08da,
+  0xbead, 0x1fc2,
+  0xbeae, 0x08dd,
+  0xbeb1, 0x1fc3,
+  0xbeb2, 0x08e1,
+  0xbeb5, 0x1fc4,
+  0xbeb8, 0x08e7,
+  0xbeba, 0x1fc7,
+  0xbebb, 0x08ea,
+  0xbec0, 0x1fc8,
+  0xbec1, 0x08f0,
+  0xbec9, 0x1fc9,
+  0xbeca, 0x08f9,
+  0xbed4, 0x1fca,
+  0xbed5, 0x0904,
+  0xbed9, 0x1fcb,
+  0xbeda, 0x0909,
+  0xbedd, 0x1fcc,
+  0xbede, 0x090d,
+  0xbee2, 0x1fcd,
+  0xbee3, 0x0912,
+  0xbee5, 0x1fce,
+  0xbee6, 0x0915,
+  0xbee7, 0x1fcf,
+  0xbee8, 0x0917,
+  0xbee9, 0x1fd0,
+  0xbeea, 0x0919,
+  0xbeee, 0x1fd1,
+  0xbeef, 0x091e,
+  0xbef5, 0x1fd2,
+  0xbef6, 0x0925,
+  0xbef7, 0x1fd3,
+  0xbef9, 0x0928,
+  0xbefb, 0x1fd5,
+  0xbefd, 0x092c,
+  0xbfa1, 0x092e,
+  0xbfa5, 0x1fd7,
+  0xbfa6, 0x0933,
+  0xbfaa, 0x1fd8,
+  0xbfab, 0x0938,
+  0xbfad, 0x1fd9,
+  0xbfae, 0x093b,
+  0xbfc5, 0x1fda,
+  0xbfc6, 0x0953,
+  0xbfc7, 0x1fdb,
+  0xbfc8, 0x0955,
+  0xbfce, 0x1fdc,
+  0xbfcf, 0x095c,
+  0xbfd1, 0x1fdd,
+  0xbfd3, 0x0960,
+  0xbfd9, 0x1fdf,
+  0xbfda, 0x0967,
+  0xbfe2, 0x1fe0,
+  0xbfe5, 0x0972,
+  0xbfe9, 0x1fe3,
+  0xbfea, 0x0977,
+  0xbfeb, 0x1fe4,
+  0xbfec, 0x0979,
+  0xbfed, 0x1fe5,
+  0xbfee, 0x097b,
+  0xbff3, 0x1fe6,
+  0xbff4, 0x0981,
+  0xbff5, 0x1fe7,
+  0xbff6, 0x0983,
+  0xbff7, 0x1fe8,
+  0xbff8, 0x0985,
+  0xbff9, 0x1fe9,
+  0xbffb, 0x0988,
+  0xc0a1, 0x1feb,
+  0xc0a2, 0x098d,
+  0xc0a3, 0x1fec,
+  0xc0a4, 0x098f,
+  0xc0a9, 0x1fed,
+  0xc0aa, 0x0995,
+  0xc0ab, 0x1fee,
+  0xc0ac, 0x0997,
+  0xc0af, 0x1fef,
+  0xc0b1, 0x099c,
+  0xc0b3, 0x1ff1,
+  0xc0b7, 0x09a2,
+  0xc0b8, 0x1ff5,
+  0xc0c5, 0x09b0,
+  0xc0cc, 0x2002,
+  0xc0ce, 0x09b9,
+  0xc0d4, 0x2004,
+  0xc0d5, 0x09c0,
+  0xc0d6, 0x2005,
+  0xc0d7, 0x09c2,
+  0xc0d8, 0x2006,
+  0xc0d9, 0x09c4,
+  0xc0dd, 0x2007,
+  0xc0de, 0x09c9,
+  0xc0e0, 0x2008,
+  0xc0e1, 0x09cc,
+  0xc0e9, 0x2009,
+  0xc0ea, 0x09d5,
+  0xc0eb, 0x200a,
+  0xc0ed, 0x09d8,
+  0xc0ef, 0x200c,
+  0xc0f2, 0x09dd,
+  0xc0f6, 0x200f,
+  0xc0fb, 0x09e6,
+  0xc1a1, 0x09ea,
+  0xc1a4, 0x2014,
+  0xc1a6, 0x09ef,
+  0xc1a9, 0x2016,
+  0xc1ae, 0x09f7,
+  0xc1af, 0x201b,
+  0xc1b9, 0x0a02,
+  0xc1bd, 0x2025,
+  0xc1bf, 0x0a08,
+  0xc1c2, 0x2027,
+  0xc1c3, 0x0a0c,
+  0xc1c6, 0x2028,
+  0xc1c7, 0x0a10,
+  0xc1c9, 0x2029,
+  0xc1ca, 0x0a13,
+  0xc1cd, 0x202a,
+  0xc1ce, 0x0a17,
+  0xc1d4, 0x202b,
+  0xc1d5, 0x0a1e,
+  0xc1d9, 0x202c,
+  0xc1dc, 0x0a25,
+  0xc1de, 0x202f,
+  0xc1df, 0x0a28,
+  0xc1e4, 0x2030,
+  0xc1e6, 0x0a2f,
+  0xc1e9, 0x2032,
+  0xc1ea, 0x0a33,
+  0xc1eb, 0x2033,
+  0xc1ed, 0x0a36,
+  0xc1f3, 0x2035,
+  0xc1f4, 0x0a3d,
+  0xc1f5, 0x2036,
+  0xc1f6, 0x0a3f,
+  0xc1fa, 0x2037,
+  0xc1fe, 0x0a47,
+  0xc2a1, 0x0a48,
+  0xc2a2, 0x203b,
+  0xc2a9, 0x0a50,
+  0xc2ab, 0x2042,
+  0xc2b4, 0x0a5b,
+  0xc2b8, 0x204b,
+  0xc2b9, 0x0a60,
+  0xc2bc, 0x204c,
+  0xc2be, 0x0a65,
+  0xc2bf, 0x204e,
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+  0xc2c1, 0x204f,
+  0xc2c2, 0x0a69,
+  0xc2c5, 0x2050,
+  0xc2c8, 0x0a6f,
+  0xc2cb, 0x2053,
+  0xc2d1, 0x0a78,
+  0xc2d2, 0x2059,
+  0xc2d3, 0x0a7a,
+  0xc2d5, 0x205a,
+  0xc2dd, 0x0a84,
+  0xc2de, 0x2062,
+  0xc2e3, 0x0a8a,
+  0xc2e6, 0x2067,
+  0xc2e9, 0x0a90,
+  0xc2ea, 0x206a,
+  0xc2ef, 0x0a96,
+  0xc2f0, 0x206f,
+  0xc2f1, 0x0a98,
+  0xc2f2, 0x2070,
+  0xc2f6, 0x0a9d,
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+  0xc2fb, 0x0aa2,
+  0xc3a1, 0x2078,
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+  0xc3aa, 0x2079,
+  0xc3ab, 0x0ab0,
+  0xc3ad, 0x207a,
+  0xc3ae, 0x0ab3,
+  0xc3b3, 0x207b,
+  0xc3b4, 0x1df9,
+  0xc3b5, 0x0aba,
+  0xc3be, 0x207c,
+  0xc3bf, 0x0ac4,
+  0xc3c5, 0x207d,
+  0xc3c8, 0x0acd,
+  0xc3cc, 0x2080,
+  0xc3cd, 0x0ad2,
+  0xc3ce, 0x2081,
+  0xc3cf, 0x0ad4,
+  0xc3d5, 0x2082,
+  0xc3d7, 0x0adc,
+  0xc3d9, 0x2084,
+  0xc3da, 0x0adf,
+  0xc3e0, 0x2085,
+  0xc3e1, 0x0ae6,
+  0xc3e5, 0x2086,
+  0xc3e6, 0x0aeb,
+  0xc3ed, 0x2087,
+  0xc3ee, 0x0af3,
+  0xc3f0, 0x2088,
+  0xc3f1, 0x0af6,
+  0xc3f5, 0x2089,
+  0xc3f7, 0x0afc,
+  0xc3f9, 0x208b,
+  0xc3fb, 0x0b00,
+  0xc3fd, 0x208d,
+  0xc3fe, 0x0b03,
+  0xc4a1, 0x0b04,
+  0xc4b1, 0x208e,
+  0xc4b2, 0x0b15,
+  0xc4b6, 0x208f,
+  0xc4b7, 0x0b1a,
+  0xc4c6, 0x2090,
+  0xc4c7, 0x0b2a,
+  0xc4c9, 0x2091,
+  0xc4ca, 0x0b2d,
+  0xc4d1, 0x2092,
+  0xc4d2, 0x0b35,
+  0xc4d3, 0x2093,
+  0xc4d7, 0x0b3a,
+  0xc4d9, 0x2097,
+  0xc4da, 0x0b3d,
+  0xc4e2, 0x2098,
+  0xc4e3, 0x0b46,
+  0xc4e5, 0x2099,
+  0xc4e6, 0x0b49,
+  0xc4ec, 0x209a,
+  0xc4ed, 0x0b50,
+  0xc4f0, 0x209b,
+  0xc4f2, 0x0b55,
+  0xc4f4, 0x209d,
+  0xc4f5, 0x0b58,
+  0xc4f6, 0x209e,
+  0xc4f9, 0x0b5c,
+  0xc4fb, 0x20a1,
+  0xc4fd, 0x0b60,
+  0xc4fe, 0x20a3,
+  0xc5a1, 0x20a4,
+  0xc5a3, 0x0b64,
+  0xc5a5, 0x20a6,
+  0xc5aa, 0x0b6b,
+  0xc5b1, 0x20ab,
+  0xc5b2, 0x0b73,
+  0xc5b5, 0x20ac,
+  0xc5b6, 0x0b77,
+  0xc5b7, 0x20ad,
+  0xc5ba, 0x0b7b,
+  0xc5bb, 0x20b0,
+  0xc5bc, 0x0b7d,
+  0xc5bd, 0x20b1,
+  0xc5be, 0x0b7f,
+  0xc5cc, 0x20b2,
+  0xc5cd, 0x0b8e,
+  0xc5d3, 0x20b3,
+  0xc5d4, 0x0b95,
+  0xc5e2, 0x20b4,
+  0xc5e3, 0x0ba4,
+  0xc5e7, 0x20b5,
+  0xc5e8, 0x0ba9,
+  0xc5f4, 0x20b6,
+  0xc5f5, 0x0bb6,
+  0xc6a1, 0x0bc0,
+  0xc6ad, 0x20b7,
+  0xc6af, 0x0bce,
+  0xc6b5, 0x20b9,
+  0xc6b7, 0x0bd6,
+  0xc6bb, 0x20bb,
+  0xc6bc, 0x0bdb,
+  0xc6be, 0x20bc,
+  0xc6bf, 0x0bde,
+  0xc6c0, 0x20bd,
+  0xc6c1, 0x0be0,
+  0xc6c3, 0x20be,
+  0xc6c5, 0x0be4,
+  0xc6cb, 0x20c0,
+  0xc6ce, 0x0bed,
+  0xc6d3, 0x20c3,
+  0xc6d4, 0x0bf3,
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+  0xc6ec, 0x0c0b,
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+  0xc6f0, 0x0c0f,
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+  0xc6f2, 0x0c11,
+  0xc6f4, 0x20c9,
+  0xc6f5, 0x0c14,
+  0xc6f8, 0x20ca,
+  0xc6f9, 0x0c18,
+  0xc6fd, 0x20cb,
+  0xc6fe, 0x0c1d,
+  0xc7a1, 0x0c1e,
+  0xc7a3, 0x20cc,
+  0xc7a4, 0x0c21,
+  0xc7a5, 0x20cd,
+  0xc7a7, 0x0c24,
+  0xc7a8, 0x20cf,
+  0xc7aa, 0x0c27,
+  0xc7ab, 0x20d1,
+  0xc7ac, 0x0c29,
+  0xc7ae, 0x20d2,
+  0xc7b0, 0x0c2d,
+  0xc7b3, 0x20d4,
+  0xc7b6, 0x0c33,
+  0xc7b9, 0x20d7,
+  0xc7bb, 0x0c38,
+  0xc7bd, 0x20d9,
+  0xc7bf, 0x0c3c,
+  0xc7c0, 0x20db,
+  0xc7c1, 0x0c3e,
+  0xc7c2, 0x20dc,
+  0xc7c3, 0x0c40,
+  0xc7c5, 0x20dd,
+  0xc7c6, 0x0c43,
+  0xc7c7, 0x20de,
+  0xc7c9, 0x0c46,
+  0xc7cc, 0x20e0,
+  0xc7cd, 0x0c4a,
+  0xc7cf, 0x20e1,
+  0xc7d0, 0x0c4d,
+  0xc7d4, 0x20e2,
+  0xc7d6, 0x0c53,
+  0xc7d7, 0x20e4,
+  0xc7d8, 0x0c55,
+  0xc7de, 0x20e5,
+  0xc7df, 0x0c5c,
+  0xc7e1, 0x20e6,
+  0xc7e4, 0x0c61,
+  0xc7ea, 0x20e9,
+  0xc7ef, 0x0c6c,
+  0xc7f7, 0x20ee,
+  0xc7f9, 0x0c76,
+  0xc7fb, 0x20f0,
+  0xc7fc, 0x0c79,
+  0xc7fd, 0x20f1,
+  0xc7fe, 0x0c7b,
+  0xc8a1, 0x0c7c,
+  0xc8a3, 0x20f2,
+  0xc8a4, 0x0c7f,
+  0xc8a7, 0x20f3,
+  0xc8a9, 0x0c84,
+  0xc8b0, 0x20f5,
+  0xc8b1, 0x0c8c,
+  0xc8b5, 0x20f6,
+  0xc8b6, 0x0c91,
+  0xc8b7, 0x20f7,
+  0xc8b8, 0x0c93,
+  0xc8c3, 0x20f8,
+  0xc8c7, 0x0ca2,
+  0xc8c8, 0x20fc,
+  0xc8c9, 0x0ca4,
+  0xc8cd, 0x20fd,
+  0xc8ce, 0x0ca9,
+  0xc8cf, 0x20fe,
+  0xc8d0, 0x0cab,
+  0xc8d2, 0x20ff,
+  0xc8d3, 0x0cae,
+  0xc8d9, 0x2100,
+  0xc8da, 0x0cb5,
+  0xc8de, 0x2101,
+  0xc8df, 0x0cba,
+  0xc8ed, 0x2102,
+  0xc8ee, 0x0cc9,
+  0xc8f1, 0x2103,
+  0xc8f4, 0x0ccf,
+  0xc8f7, 0x2106,
+  0xc8f9, 0x0cd4,
+  0xc8fa, 0x2108,
+  0xc8fb, 0x0cd6,
+  0xc8fc, 0x2109,
+  0xc8fd, 0x0cd8,
+  0xc9a1, 0x210a,
+  0xc9a2, 0x0cdb,
+  0xc9a5, 0x210b,
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+  0xd7a4, 0x22a5,
+  0xd7a5, 0x1202,
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+  0xedfb, 0x1a67,
+  0xeea1, 0x1a6b,
+  0xeebc, 0x24f1,
+  0xeebd, 0x1a87,
+  0xeebf, 0x24f2,
+  0xeec0, 0x1a8a,
+  0xeec4, 0x24f3,
+  0xefa1, 0x252e,
+  0xeff2, 0x1b1a,
+  0xf0a1, 0x1b27,
+  0xf0a3, 0x257f,
+  0xf0a4, 0x1b2a,
+  0xf0af, 0x2580,
+  0xf0da, 0x1b60,
+  0xf0dc, 0x25ab,
+  0xf0de, 0x1b64,
+  0xf0df, 0x25ad,
+  0xf0e0, 0x1b66,
+  0xf0e9, 0x25ae,
+  0xf0ea, 0x1b70,
+  0xf0ec, 0x25af,
+  0xf0ed, 0x1b73,
+  0xf0ef, 0x25b0,
+  0xf0f0, 0x1b76,
+  0xf0f7, 0x25b1,
+  0xf0f8, 0x1b7e,
+  0xf0f9, 0x25b2,
+  0xf0fa, 0x1b80,
+  0xf0fc, 0x25b3,
+  0xf0fd, 0x1b83,
+  0xf1a1, 0x1b85,
+  0xf1a8, 0x25b4,
+  0xf1a9, 0x1b8d,
+  0xf1ab, 0x25b5,
+  0xf1ac, 0x1b90,
+  0xf1ae, 0x25b6,
+  0xf1af, 0x1b93,
+  0xf1b2, 0x25b7,
+  0xf1b3, 0x1b97,
+  0xf1bc, 0x25b8,
+  0xf1bd, 0x1ba1,
+  0xf1c0, 0x25b9,
+  0xf1c1, 0x1ba5,
+  0xf1c9, 0x25ba,
+  0xf1ca, 0x1bae,
+  0xf1cd, 0x25bb,
+  0xf1ce, 0x1bb2,
+  0xf1cf, 0x25bc,
+  0xf1d1, 0x1bb5,
+  0xf1da, 0x25be,
+  0xf1db, 0x1bbf,
+  0xf1dc, 0x25bf,
+  0xf1dd, 0x1bc1,
+  0xf1e4, 0x25c0,
+  0xf1e5, 0x1bc9,
+  0xf1ec, 0x25c1,
+  0xf1ed, 0x1bd1,
+  0xf1ef, 0x25c2,
+  0xf1f0, 0x1bd4,
+  0xf1f7, 0x25c3,
+  0xf1f8, 0x1bdc,
+  0xf1f9, 0x25c4,
+  0xf1fa, 0x1bde,
+  0xf1fc, 0x25c5,
+  0xf2a1, 0x25c8,
+  0xf2ae, 0x1bf0,
+  0xf2b1, 0x25d5,
+  0xf2b3, 0x1bf5,
+  0xf2b9, 0x25d7,
+  0xf2ba, 0x1bfc,
+  0xf2c3, 0x25d8,
+  0xf2c4, 0x1c06,
+  0xf2c9, 0x25d9,
+  0xf2ca, 0x1c0c,
+  0xf2cc, 0x25da,
+  0xf2ce, 0x1c10,
+  0xf2cf, 0x25dc,
+  0xf2d0, 0x1c12,
+  0xf2d3, 0x25dd,
+  0xf2d4, 0x1c16,
+  0xf2e5, 0x25de,
+  0xf2e6, 0x1c28,
+  0xf2ee, 0x25df,
+  0xf2ef, 0x1c31,
+  0xf2f7, 0x25e0,
+  0xf2f8, 0x1c3a,
+  0xf2fd, 0x25e1,
+  0xf2fe, 0x1c40,
+  0xf3a1, 0x1c41,
+  0xf3bf, 0x25e2,
+  0xf3c0, 0x1c60,
+  0xf3c6, 0x25e3,
+  0xf3c7, 0x1c67,
+  0xf3c8, 0x25e4,
+  0xf3c9, 0x1c69,
+  0xf3d6, 0x25e5,
+  0xf3d7, 0x1c77,
+  0xf3d9, 0x25e6,
+  0xf3da, 0x1c7a,
+  0xf3e5, 0x25e7,
+  0xf3e7, 0x1c87,
+  0xf3ea, 0x25e9,
+  0xf3eb, 0x1c8b,
+  0xf3ec, 0x25ea,
+  0xf3ed, 0x1c8d,
+  0xf3ef, 0x25eb,
+  0xf3f0, 0x1c90,
+  0xf3f1, 0x25ec,
+  0xf3f2, 0x1c92,
+  0xf3fd, 0x25ed,
+  0xf3fe, 0x1c9e,
+  0xf4a1, 0x1c9f,
+  0xf4a5, 0x25ee,
+  0xf4a6, 0x1ca4,
+  0xf4af, 0x25ef,
+  0xf4b0, 0x1cae,
+  0xf4b5, 0x25f0,
+  0xf4b6, 0x1cb4,
+  0xf4c1, 0x25f1,
+  0xf4c2, 0x1cc0,
+  0xf4c7, 0x25f2,
+  0xf4c8, 0x1cc6,
+  0xf4cf, 0x25f3,
+  0xf4d1, 0x1ccf,
+  0xf4d6, 0x25f5,
+  0xf4d7, 0x1cd5,
+  0xf4ea, 0x25f6,
+  0xf4eb, 0x1ce9,
+  0xf4ef, 0x25f7,
+  0xf4f0, 0x1cee,
+  0xf4f5, 0x25f8,
+  0xf4f6, 0x1cf4,
+  0xf5a1, 0x1cfd,
+  0xf5a6, 0x25f9,
+  0xf5a8, 0x1d04,
+  0xf5ba, 0x25fb,
+  0xf5bc, 0x1d18,
+  0xf5c4, 0x25fd,
+  0xf5c5, 0x1d21,
+  0xf5c8, 0x25fe,
+  0xf5c9, 0x1d25,
+  0xf5ce, 0x25ff,
+  0xf5d0, 0x1d2c,
+  0xf5d1, 0x2601,
+  0xf5d3, 0x1d2f,
+  0xf5d9, 0x2603,
+  0xf5da, 0x1d36,
+  0xf5dc, 0x2604,
+  0xf5dd, 0x1d39,
+  0xf5e6, 0x2605,
+  0xf5e8, 0x1d44,
+  0xf5ef, 0x2607,
+  0xf5f0, 0x1d4c,
+  0xf5f2, 0x2608,
+  0xf5f3, 0x1d4f,
+  0xf5fc, 0x2609,
+  0xf5fd, 0x1d59,
+  0xf6a1, 0x1d5b,
+  0xf6a3, 0x260a,
+  0xf6a4, 0x1d5e,
+  0xf6a6, 0x260b,
+  0xf6a7, 0x1d61,
+  0xf6a8, 0x260c,
+  0xf6a9, 0x1d63,
+  0xf6ab, 0x260d,
+  0xf6ac, 0x1d66,
+  0xf6b0, 0x260e,
+  0xf6b1, 0x1d6b,
+  0xf6b3, 0x260f,
+  0xf6bf, 0x1d79,
+  0xf6c5, 0x261b,
+  0xf6c6, 0x1d80,
+  0xf6c7, 0x261c,
+  0xf6c8, 0x1d82,
+  0xf6c9, 0x261d,
+  0xf6ca, 0x1d84,
+  0xf6cf, 0x261e,
+  0xf7a1, 0x264e,
+  0xf7b0, 0x1dc8,
+  0xf7b2, 0x265d,
+  0xf7b4, 0x1dcc,
+  0xf7b5, 0x265f,
+  0xf7b6, 0x1dce,
+  0xf7bd, 0x2660,
+  0xf7be, 0x1dd6,
+  0xf7c3, 0x2661,
+  0xf7c4, 0x1ddc,
+  0xf7c5, 0x2662,
+  0xf7c7, 0x1ddf,
+  0xf7ca, 0x2664,
+  0xf7cc, 0x1de4,
+  0xf7cf, 0x2666,
+  0xf7d1, 0x1de9,
+  0xf7de, 0x2668,
+  0xf7df, 0x1df7,
+  0xf7e1, 0x0ab9,
+  0xf7e2, 0x1dfa,
+  0xf7f2, 0x2669,
+  0xf7f3, 0x1e0b,
+  0xf7f5, 0x266a,
+  0xf7f6, 0x1e0e,
+  0xf8a1, 0x266b,
+  0xf8a7, 0x04cc,
+  0xf8a8, 0x050a,
+  0xf8a9, 0x0518,
+  0xf8aa, 0x2671,
+  0xf8ac, 0x0594,
+  0xf8ad, 0x05ce,
+  0xf8ae, 0x2673,
+  0xf8af, 0x05f6,
+  0xf8b0, 0x2674,
+  0xf8b2, 0x0653,
+  0xf8b3, 0x067e,
+  0xf8b4, 0x2676,
+  0xf8b5, 0x06c4,
+  0xf8b6, 0x2677,
+  0xf8b8, 0x073c,
+  0xf8b9, 0x2679,
+  0xf8bb, 0x07c3,
+  0xf8bc, 0x267b,
+  0xf8c0, 0x082b,
+  0xf8c1, 0x267f,
+  0xf8c2, 0x084e,
+  0xf8c3, 0x0869,
+  0xf8c4, 0x2680,
+  0xf8c6, 0x090c,
+  0xf8c7, 0x2682,
+  0xf8c9, 0x0971,
+  0xf8ca, 0x2684,
+  0xf8cb, 0x099a,
+  0xf8cd, 0x2685,
+  0xf8ce, 0x09da,
+  0xf8cf, 0x2686,
+  0xf8d0, 0x09fa,
+  0xf8d1, 0x2687,
+  0xf8dc, 0x0bda,
+  0xf8dd, 0x0bdd,
+  0xf8de, 0x0bea,
+  0xf8df, 0x0bec,
+  0xf8e0, 0x0bf2,
+  0xf8e1, 0x2692,
+  0xf8e6, 0x0c92,
+  0xf8e7, 0x0d1a,
+  0xf8e8, 0x0d8c,
+  0xf8e9, 0x0dbe,
+  0xf8ea, 0x2697,
+  0xf8eb, 0x0dfb,
+  0xf8ec, 0x2698,
+  0xf8ef, 0x0e70,
+  0xf8f0, 0x269b,
+  0xf8f1, 0x0ea3,
+  0xf8f2, 0x269c,
+  0xf8f8, 0x103d,
+  0xf8f9, 0x10d9,
+  0xf8fa, 0x26a2,
+  0xf8fc, 0x10fb,
+  0xf8fd, 0x1109,
+  0xf8fe, 0x26a4,
+  0xf9a1, 0x11a1,
+  0xf9a2, 0x26a5,
+  0xf9a3, 0x11ba,
+  0xf9a4, 0x26a6,
+  0xf9a6, 0x11d5,
+  0xf9a7, 0x26a8,
+  0xf9a8, 0x11fd,
+  0xf9a9, 0x1219,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBTpcEUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x1e20, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1e21, 0x1e22, 0x1e23 },
+  gb12GBTpcEUCHMap2, 2283
+};
+
+static Gushort gb12GBTpcEUCVMap2[4606] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb0a8, 0x1e25,
+  0xb0a9, 0x03b4,
+  0xb0aa, 0x1e26,
+  0xb0ab, 0x03b6,
+  0xb0ad, 0x1e27,
+  0xb0af, 0x03ba,
+  0xb0b9, 0x1e29,
+  0xb0ba, 0x03c5,
+  0xb0c0, 0x1e2a,
+  0xb0c1, 0x03cc,
+  0xb0d3, 0x1e2b,
+  0xb0d4, 0x03df,
+  0xb0d5, 0x1e2c,
+  0xb0d6, 0x03e1,
+  0xb0da, 0x1e2d,
+  0xb0db, 0x03e6,
+  0xb0dc, 0x1e2e,
+  0xb0dd, 0x03e8,
+  0xb0e4, 0x1e2f,
+  0xb0e5, 0x03f0,
+  0xb0ec, 0x1e30,
+  0xb0ee, 0x03f9,
+  0xb0ef, 0x1e32,
+  0xb0f0, 0x03fb,
+  0xb0f3, 0x1e33,
+  0xb0f4, 0x03ff,
+  0xb0f7, 0x1e34,
+  0xb0f8, 0x0403,
+  0xb0f9, 0x1e35,
+  0xb0fa, 0x0405,
+  0xb1a1, 0x040a,
+  0xb1a5, 0x1e36,
+  0xb1a7, 0x0410,
+  0xb1a8, 0x1e38,
+  0xb1a9, 0x0412,
+  0xb1ab, 0x1e39,
+  0xb1ac, 0x0415,
+  0xb1b2, 0x1e3a,
+  0xb1b3, 0x041c,
+  0xb1b4, 0x1e3b,
+  0xb1b6, 0x041f,
+  0xb1b7, 0x1e3d,
+  0xb1ba, 0x0423,
+  0xb1c1, 0x1e40,
+  0xb1c2, 0x042b,
+  0xb1ca, 0x1e41,
+  0xb1cb, 0x0434,
+  0xb1cf, 0x1e42,
+  0xb1d1, 0x043a,
+  0xb1d2, 0x1e44,
+  0xb1d3, 0x043c,
+  0xb1d5, 0x1e45,
+  0xb1d6, 0x043f,
+  0xb1df, 0x1e46,
+  0xb1e2, 0x044b,
+  0xb1e4, 0x1e49,
+  0xb1e5, 0x044e,
+  0xb1e7, 0x1e4a,
+  0xb1e9, 0x0452,
+  0xb1ea, 0x1e4c,
+  0xb1eb, 0x0454,
+  0xb1ee, 0x1e4d,
+  0xb1ef, 0x0458,
+  0xb1f1, 0x1e4e,
+  0xb1f2, 0x045b,
+  0xb1f4, 0x1e4f,
+  0xb1f8, 0x0461,
+  0xb1fd, 0x1e53,
+  0xb1fe, 0x0467,
+  0xb2a1, 0x0468,
+  0xb2a6, 0x1e54,
+  0xb2a8, 0x046f,
+  0xb2ac, 0x1e56,
+  0xb2ad, 0x0474,
+  0xb2b5, 0x1e57,
+  0xb2b6, 0x047d,
+  0xb2b9, 0x1e58,
+  0xb2ba, 0x0481,
+  0xb2c6, 0x1e59,
+  0xb2c7, 0x048e,
+  0xb2ce, 0x1e5a,
+  0xb2d8, 0x049f,
+  0xb2de, 0x1e64,
+  0xb2df, 0x04a6,
+  0xb2e0, 0x1e65,
+  0xb2e1, 0x04a8,
+  0xb2e2, 0x1e66,
+  0xb2e4, 0x04ab,
+  0xb2ef, 0x1e68,
+  0xb2f0, 0x04b7,
+  0xb2f3, 0x1e69,
+  0xb2fd, 0x04c4,
+  0xb3a1, 0x1e73,
+  0xb3a3, 0x04c8,
+  0xb3a4, 0x1e75,
+  0xb3a8, 0x04cd,
+  0xb3a9, 0x1e79,
+  0xb3aa, 0x04cf,
+  0xb3ae, 0x1e7a,
+  0xb3af, 0x04d4,
+  0xb3b5, 0x1e7b,
+  0xb3b6, 0x04db,
+  0xb3b9, 0x1e7c,
+  0xb3ba, 0x04df,
+  0xb3be, 0x1e7d,
+  0xb3bf, 0x04e4,
+  0xb3c2, 0x1e7e,
+  0xb3c3, 0x04e8,
+  0xb3c4, 0x1e7f,
+  0xb3c5, 0x04ea,
+  0xb3c6, 0x1e80,
+  0xb3c7, 0x04ec,
+  0xb3cd, 0x1e81,
+  0xb3ce, 0x04f3,
+  0xb3cf, 0x1e82,
+  0xb3d0, 0x04f5,
+  0xb3d2, 0x1e83,
+  0xb3d3, 0x04f8,
+  0xb3d9, 0x1e84,
+  0xb3da, 0x04ff,
+  0xb3db, 0x1e85,
+  0xb3dc, 0x0501,
+  0xb3dd, 0x1e86,
+  0xb3de, 0x0503,
+  0xb3e3, 0x1e87,
+  0xb3e4, 0x0509,
+  0xb3e5, 0x1e88,
+  0xb3e7, 0x050c,
+  0xb3e8, 0x1e8a,
+  0xb3e9, 0x050e,
+  0xb3eb, 0x1e8b,
+  0xb3ed, 0x0512,
+  0xb3ef, 0x1e8d,
+  0xb3f0, 0x0515,
+  0xb3f1, 0x1e8e,
+  0xb3f2, 0x0517,
+  0xb3f3, 0x1e8f,
+  0xb3f4, 0x0519,
+  0xb3fa, 0x1e90,
+  0xb3fc, 0x0521,
+  0xb4a1, 0x1e92,
+  0xb4a3, 0x0526,
+  0xb4a5, 0x1e94,
+  0xb4a7, 0x052a,
+  0xb4ab, 0x1e96,
+  0xb4ac, 0x052f,
+  0xb4af, 0x1e97,
+  0xb4b0, 0x0533,
+  0xb4b3, 0x1e98,
+  0xb4b5, 0x0538,
+  0xb4b8, 0x1e9a,
+  0xb4b9, 0x053c,
+  0xb4bf, 0x1e9b,
+  0xb4c0, 0x0543,
+  0xb4c2, 0x1e9c,
+  0xb4c3, 0x0546,
+  0xb4c7, 0x1e9d,
+  0xb4c8, 0x054b,
+  0xb4ca, 0x1e9e,
+  0xb4cb, 0x054e,
+  0xb4cd, 0x1e9f,
+  0xb4ce, 0x0551,
+  0xb4cf, 0x1ea0,
+  0xb4d0, 0x0553,
+  0xb4d3, 0x1ea1,
+  0xb4d5, 0x0558,
+  0xb4da, 0x1ea3,
+  0xb4db, 0x055e,
+  0xb4dc, 0x1ea4,
+  0xb4dd, 0x0560,
+  0xb4ed, 0x1ea5,
+  0xb4ee, 0x0571,
+  0xb4ef, 0x1ea6,
+  0xb4f0, 0x0573,
+  0xb4f8, 0x1ea7,
+  0xb4f9, 0x057c,
+  0xb4fb, 0x1ea8,
+  0xb4fc, 0x057f,
+  0xb5a1, 0x0582,
+  0xb5a3, 0x1ea9,
+  0xb5a4, 0x0585,
+  0xb5a5, 0x1eaa,
+  0xb5a9, 0x058a,
+  0xb5ac, 0x1eae,
+  0xb5ad, 0x058e,
+  0xb5ae, 0x1eaf,
+  0xb5b0, 0x0591,
+  0xb5b1, 0x1eb1,
+  0xb5b6, 0x0597,
+  0xb5b7, 0x1eb6,
+  0xb5b8, 0x0599,
+  0xb5ba, 0x1eb7,
+  0xb5bd, 0x059e,
+  0xb5c6, 0x1eba,
+  0xb5c7, 0x05a8,
+  0xb5cb, 0x1ebb,
+  0xb5cc, 0x05ad,
+  0xb5d0, 0x1ebc,
+  0xb5d1, 0x05b2,
+  0xb5d3, 0x1ebd,
+  0xb5d4, 0x05b5,
+  0xb5dd, 0x1ebe,
+  0xb5e0, 0x05c1,
+  0xb5e3, 0x1ec1,
+  0xb5e4, 0x05c5,
+  0xb5e6, 0x1ec2,
+  0xb5e8, 0x05c9,
+  0xb5ed, 0x1ec4,
+  0xb5ee, 0x05cf,
+  0xb5f6, 0x1ec5,
+  0xb5f8, 0x05d9,
+  0xb5fd, 0x1ec7,
+  0xb5fe, 0x05df,
+  0xb6a1, 0x05e0,
+  0xb6a4, 0x1ec8,
+  0xb6a6, 0x05e5,
+  0xb6a7, 0x1eca,
+  0xb6a8, 0x05e7,
+  0xb6a9, 0x1ecb,
+  0xb6aa, 0x05e9,
+  0xb6ab, 0x1ecc,
+  0xb6ac, 0x05eb,
+  0xb6af, 0x1ecd,
+  0xb6b1, 0x05f0,
+  0xb6b3, 0x1ecf,
+  0xb6b4, 0x05f3,
+  0xb6b7, 0x1ed0,
+  0xb6b8, 0x05f7,
+  0xb6bf, 0x1ed1,
+  0xb6c2, 0x0601,
+  0xb6c4, 0x1ed4,
+  0xb6c5, 0x0604,
+  0xb6c6, 0x1ed5,
+  0xb6c7, 0x0606,
+  0xb6cd, 0x1ed6,
+  0xb6ce, 0x060d,
+  0xb6cf, 0x1ed7,
+  0xb6d1, 0x0610,
+  0xb6d3, 0x1ed9,
+  0xb6d5, 0x0614,
+  0xb6d6, 0x1edb,
+  0xb6d7, 0x0616,
+  0xb6d9, 0x1edc,
+  0xb6da, 0x0619,
+  0xb6db, 0x1edd,
+  0xb6dc, 0x061b,
+  0xb6e1, 0x1ede,
+  0xb6e2, 0x0621,
+  0xb6e9, 0x1edf,
+  0xb6ea, 0x0629,
+  0xb6ec, 0x1ee0,
+  0xb6ed, 0x062c,
+  0xb6ee, 0x1ee1,
+  0xb6f0, 0x062f,
+  0xb6f1, 0x1ee3,
+  0xb6f2, 0x0631,
+  0xb6f6, 0x1ee4,
+  0xb6f7, 0x0636,
+  0xb6f9, 0x1ee5,
+  0xb6fa, 0x0639,
+  0xb6fb, 0x1ee6,
+  0xb6fd, 0x063c,
+  0xb7a1, 0x1ee8,
+  0xb7a4, 0x0641,
+  0xb7a7, 0x1eeb,
+  0xb7a8, 0x0645,
+  0xb7af, 0x1eec,
+  0xb7b1, 0x064e,
+  0xb7b3, 0x1eee,
+  0xb7b4, 0x0651,
+  0xb7b6, 0x1eef,
+  0xb7b8, 0x0655,
+  0xb7b9, 0x1ef1,
+  0xb7ba, 0x0657,
+  0xb7c3, 0x1ef2,
+  0xb7c5, 0x0662,
+  0xb7c9, 0x1ef4,
+  0xb7ca, 0x0667,
+  0xb7cc, 0x1ef5,
+  0xb7cd, 0x066a,
+  0xb7cf, 0x1ef6,
+  0xb7d0, 0x066d,
+  0xb7d1, 0x1ef7,
+  0xb7d2, 0x066f,
+  0xb7d7, 0x1ef8,
+  0xb7d9, 0x0676,
+  0xb7dc, 0x1efa,
+  0xb7dd, 0x067a,
+  0xb7df, 0x1efb,
+  0xb7e2, 0x067f,
+  0xb7e3, 0x1efe,
+  0xb7e4, 0x0681,
+  0xb7e6, 0x1eff,
+  0xb7e9, 0x0686,
+  0xb7eb, 0x1f02,
+  0xb7ee, 0x068b,
+  0xb7ef, 0x1f05,
+  0xb7f0, 0x068d,
+  0xb7f4, 0x1f06,
+  0xb7f5, 0x0692,
+  0xb7f8, 0x1f07,
+  0xb7f9, 0x0696,
+  0xb8a1, 0x069c,
+  0xb8a7, 0x1f08,
+  0xb8a9, 0x06a4,
+  0xb8b3, 0x1f0a,
+  0xb8b5, 0x06b0,
+  0xb8ba, 0x1f0c,
+  0xb8bb, 0x06b6,
+  0xb8bc, 0x1f0d,
+  0xb8bd, 0x06b8,
+  0xb8be, 0x1f0e,
+  0xb8c0, 0x06bb,
+  0xb8c3, 0x1f10,
+  0xb8c4, 0x06bf,
+  0xb8c6, 0x1f11,
+  0xb8c8, 0x06c3,
+  0xb8c9, 0x1f13,
+  0xb8ca, 0x06c5,
+  0xb8cf, 0x1f14,
+  0xb8d0, 0x06cb,
+  0xb8d3, 0x1f15,
+  0xb8d7, 0x06d2,
+  0xb8d9, 0x1f19,
+  0xb8db, 0x06d6,
+  0xb8e4, 0x1f1b,
+  0xb8e5, 0x06e0,
+  0xb8e9, 0x1f1c,
+  0xb8ea, 0x06e5,
+  0xb8eb, 0x1f1d,
+  0xb8ec, 0x06e7,
+  0xb8f3, 0x1f1e,
+  0xb8f4, 0x06ef,
+  0xb8f5, 0x1f1f,
+  0xb8f7, 0x06f2,
+  0xb8f8, 0x1f21,
+  0xb8f9, 0x06f4,
+  0xb9a1, 0x06fa,
+  0xb9a8, 0x1f22,
+  0xb9a9, 0x0702,
+  0xb9ae, 0x1f23,
+  0xb9af, 0x0708,
+  0xb9b1, 0x1f24,
+  0xb9b2, 0x070b,
+  0xb9b3, 0x1f25,
+  0xb9b4, 0x070d,
+  0xb9b5, 0x1f26,
+  0xb9b6, 0x070f,
+  0xb9b9, 0x1f27,
+  0xb9bb, 0x0714,
+  0xb9c6, 0x1f29,
+  0xb9c7, 0x0720,
+  0xb9cb, 0x1f2a,
+  0xb9cc, 0x0725,
+  0xb9d0, 0x1f2b,
+  0xb9d1, 0x072a,
+  0xb9d8, 0x1f2c,
+  0xb9d9, 0x0732,
+  0xb9db, 0x1f2d,
+  0xb9dc, 0x0735,
+  0xb9dd, 0x1f2e,
+  0xb9de, 0x0737,
+  0xb9df, 0x1f2f,
+  0xb9e0, 0x0739,
+  0xb9e1, 0x1f30,
+  0xb9e2, 0x073b,
+  0xb9e3, 0x1f31,
+  0xb9e4, 0x073d,
+  0xb9e6, 0x1f32,
+  0xb9e7, 0x0740,
+  0xb9e9, 0x1f33,
+  0xb9ed, 0x0746,
+  0xb9ee, 0x1f37,
+  0xb9ef, 0x0748,
+  0xb9f1, 0x1f38,
+  0xb9f2, 0x074b,
+  0xb9f3, 0x1f39,
+  0xb9f6, 0x074f,
+  0xb9f8, 0x1f3c,
+  0xb9f9, 0x0752,
+  0xb9fa, 0x1f3d,
+  0xb9fb, 0x0754,
+  0xb9fd, 0x1f3e,
+  0xb9fe, 0x0757,
+  0xbaa1, 0x0758,
+  0xbaa7, 0x1f3f,
+  0xbaa8, 0x075f,
+  0xbaab, 0x1f40,
+  0xbaac, 0x0763,
+  0xbaba, 0x1f41,
+  0xbabb, 0x0772,
+  0xbac5, 0x1f42,
+  0xbac6, 0x077d,
+  0xbad2, 0x1f43,
+  0xbad3, 0x078a,
+  0xbad7, 0x1f44,
+  0xbad9, 0x0790,
+  0xbae4, 0x1f46,
+  0xbae5, 0x079c,
+  0xbae8, 0x1f47,
+  0xbae9, 0x07a0,
+  0xbaec, 0x1f48,
+  0xbaed, 0x07a4,
+  0xbaf3, 0x15e5,
+  0xbaf4, 0x07ab,
+  0xbaf8, 0x1f49,
+  0xbaf9, 0x07b0,
+  0xbba1, 0x07b6,
+  0xbba4, 0x1f4a,
+  0xbba5, 0x07ba,
+  0xbba6, 0x1f4b,
+  0xbba7, 0x07bc,
+  0xbba9, 0x1f4c,
+  0xbbab, 0x07c0,
+  0xbbad, 0x1f4e,
+  0xbbaf, 0x07c4,
+  0xbbb0, 0x1f50,
+  0xbbb1, 0x07c6,
+  0xbbb3, 0x1f51,
+  0xbbb4, 0x07c9,
+  0xbbb5, 0x1f52,
+  0xbbb8, 0x07cd,
+  0xbbb9, 0x1f55,
+  0xbbbb, 0x07d0,
+  0xbbd1, 0x1f57,
+  0xbbd2, 0x07e7,
+  0xbbd3, 0x1f58,
+  0xbbd5, 0x07ea,
+  0xbbdf, 0x1f5a,
+  0xbbe8, 0x07fd,
+  0xbbeb, 0x1f63,
+  0xbbec, 0x0801,
+  0xbbf1, 0x1f64,
+  0xbbf2, 0x0807,
+  0xbbf5, 0x1f65,
+  0xbbf8, 0x080d,
+  0xbbfa, 0x1f68,
+  0xbbfb, 0x0810,
+  0xbbfd, 0x1f69,
+  0xbbfe, 0x0813,
+  0xbca1, 0x0814,
+  0xbca2, 0x1f6a,
+  0xbca3, 0x0816,
+  0xbca5, 0x1f6b,
+  0xbca7, 0x081a,
+  0xbca8, 0x1f6d,
+  0xbcaa, 0x081d,
+  0xbcab, 0x1f6f,
+  0xbcac, 0x081f,
+  0xbcad, 0x1f70,
+  0xbcae, 0x0821,
+  0xbcb6, 0x1f71,
+  0xbcb9, 0x082c,
+  0xbcbb, 0x1f74,
+  0xbcbc, 0x082f,
+  0xbcc1, 0x1f75,
+  0xbcc2, 0x0835,
+  0xbcc3, 0x1f76,
+  0xbcc4, 0x0837,
+  0xbcc6, 0x1f77,
+  0xbcc8, 0x083b,
+  0xbcca, 0x1f79,
+  0xbccb, 0x083e,
+  0xbccc, 0x1f7a,
+  0xbcce, 0x0841,
+  0xbcd0, 0x1f7c,
+  0xbcd1, 0x0844,
+  0xbcd4, 0x1f7d,
+  0xbcd7, 0x084a,
+  0xbcd8, 0x1f80,
+  0xbcd9, 0x084c,
+  0xbcdb, 0x1f81,
+  0xbcdc, 0x084f,
+  0xbcdd, 0x1f82,
+  0xbcde, 0x0851,
+  0xbcdf, 0x1f83,
+  0xbce2, 0x0855,
+  0xbce3, 0x1f86,
+  0xbce5, 0x0858,
+  0xbce8, 0x1f88,
+  0xbce9, 0x085c,
+  0xbcea, 0x1f89,
+  0xbced, 0x0860,
+  0xbcef, 0x1f8c,
+  0xbcf4, 0x0867,
+  0xbcf6, 0x1f91,
+  0xbcfd, 0x0870,
+  0xbda1, 0x0872,
+  0xbda2, 0x1f98,
+  0xbda8, 0x0879,
+  0xbdab, 0x1f9e,
+  0xbdad, 0x087e,
+  0xbdaf, 0x1fa0,
+  0xbdb3, 0x0884,
+  0xbdb4, 0x1fa4,
+  0xbdb5, 0x0886,
+  0xbdba, 0x1fa5,
+  0xbdbb, 0x088c,
+  0xbdbd, 0x1fa6,
+  0xbdc0, 0x0891,
+  0xbdc1, 0x1fa9,
+  0xbdc5, 0x0896,
+  0xbdc8, 0x1fad,
+  0xbdcb, 0x089c,
+  0xbdce, 0x1fb0,
+  0xbdd0, 0x08a1,
+  0xbdd7, 0x1fb2,
+  0xbdd8, 0x08a9,
+  0xbdda, 0x1fb3,
+  0xbddb, 0x08ac,
+  0xbde0, 0x1fb4,
+  0xbde2, 0x08b3,
+  0xbdeb, 0x1fb6,
+  0xbdec, 0x08bd,
+  0xbdf4, 0x1fb7,
+  0xbdf9, 0x08ca,
+  0xbdfd, 0x1fbc,
+  0xbdfe, 0x08cf,
+  0xbea1, 0x1fbd,
+  0xbea3, 0x08d2,
+  0xbea5, 0x1fbf,
+  0xbea6, 0x08d5,
+  0xbea8, 0x1fc0,
+  0xbea9, 0x08d8,
+  0xbeaa, 0x1fc1,
+  0xbeab, 0x08da,
+  0xbead, 0x1fc2,
+  0xbeae, 0x08dd,
+  0xbeb1, 0x1fc3,
+  0xbeb2, 0x08e1,
+  0xbeb5, 0x1fc4,
+  0xbeb8, 0x08e7,
+  0xbeba, 0x1fc7,
+  0xbebb, 0x08ea,
+  0xbec0, 0x1fc8,
+  0xbec1, 0x08f0,
+  0xbec9, 0x1fc9,
+  0xbeca, 0x08f9,
+  0xbed4, 0x1fca,
+  0xbed5, 0x0904,
+  0xbed9, 0x1fcb,
+  0xbeda, 0x0909,
+  0xbedd, 0x1fcc,
+  0xbede, 0x090d,
+  0xbee2, 0x1fcd,
+  0xbee3, 0x0912,
+  0xbee5, 0x1fce,
+  0xbee6, 0x0915,
+  0xbee7, 0x1fcf,
+  0xbee8, 0x0917,
+  0xbee9, 0x1fd0,
+  0xbeea, 0x0919,
+  0xbeee, 0x1fd1,
+  0xbeef, 0x091e,
+  0xbef5, 0x1fd2,
+  0xbef6, 0x0925,
+  0xbef7, 0x1fd3,
+  0xbef9, 0x0928,
+  0xbefb, 0x1fd5,
+  0xbefd, 0x092c,
+  0xbfa1, 0x092e,
+  0xbfa5, 0x1fd7,
+  0xbfa6, 0x0933,
+  0xbfaa, 0x1fd8,
+  0xbfab, 0x0938,
+  0xbfad, 0x1fd9,
+  0xbfae, 0x093b,
+  0xbfc5, 0x1fda,
+  0xbfc6, 0x0953,
+  0xbfc7, 0x1fdb,
+  0xbfc8, 0x0955,
+  0xbfce, 0x1fdc,
+  0xbfcf, 0x095c,
+  0xbfd1, 0x1fdd,
+  0xbfd3, 0x0960,
+  0xbfd9, 0x1fdf,
+  0xbfda, 0x0967,
+  0xbfe2, 0x1fe0,
+  0xbfe5, 0x0972,
+  0xbfe9, 0x1fe3,
+  0xbfea, 0x0977,
+  0xbfeb, 0x1fe4,
+  0xbfec, 0x0979,
+  0xbfed, 0x1fe5,
+  0xbfee, 0x097b,
+  0xbff3, 0x1fe6,
+  0xbff4, 0x0981,
+  0xbff5, 0x1fe7,
+  0xbff6, 0x0983,
+  0xbff7, 0x1fe8,
+  0xbff8, 0x0985,
+  0xbff9, 0x1fe9,
+  0xbffb, 0x0988,
+  0xc0a1, 0x1feb,
+  0xc0a2, 0x098d,
+  0xc0a3, 0x1fec,
+  0xc0a4, 0x098f,
+  0xc0a9, 0x1fed,
+  0xc0aa, 0x0995,
+  0xc0ab, 0x1fee,
+  0xc0ac, 0x0997,
+  0xc0af, 0x1fef,
+  0xc0b1, 0x099c,
+  0xc0b3, 0x1ff1,
+  0xc0b7, 0x09a2,
+  0xc0b8, 0x1ff5,
+  0xc0c5, 0x09b0,
+  0xc0cc, 0x2002,
+  0xc0ce, 0x09b9,
+  0xc0d4, 0x2004,
+  0xc0d5, 0x09c0,
+  0xc0d6, 0x2005,
+  0xc0d7, 0x09c2,
+  0xc0d8, 0x2006,
+  0xc0d9, 0x09c4,
+  0xc0dd, 0x2007,
+  0xc0de, 0x09c9,
+  0xc0e0, 0x2008,
+  0xc0e1, 0x09cc,
+  0xc0e9, 0x2009,
+  0xc0ea, 0x09d5,
+  0xc0eb, 0x200a,
+  0xc0ed, 0x09d8,
+  0xc0ef, 0x200c,
+  0xc0f2, 0x09dd,
+  0xc0f6, 0x200f,
+  0xc0fb, 0x09e6,
+  0xc1a1, 0x09ea,
+  0xc1a4, 0x2014,
+  0xc1a6, 0x09ef,
+  0xc1a9, 0x2016,
+  0xc1ae, 0x09f7,
+  0xc1af, 0x201b,
+  0xc1b9, 0x0a02,
+  0xc1bd, 0x2025,
+  0xc1bf, 0x0a08,
+  0xc1c2, 0x2027,
+  0xc1c3, 0x0a0c,
+  0xc1c6, 0x2028,
+  0xc1c7, 0x0a10,
+  0xc1c9, 0x2029,
+  0xc1ca, 0x0a13,
+  0xc1cd, 0x202a,
+  0xc1ce, 0x0a17,
+  0xc1d4, 0x202b,
+  0xc1d5, 0x0a1e,
+  0xc1d9, 0x202c,
+  0xc1dc, 0x0a25,
+  0xc1de, 0x202f,
+  0xc1df, 0x0a28,
+  0xc1e4, 0x2030,
+  0xc1e6, 0x0a2f,
+  0xc1e9, 0x2032,
+  0xc1ea, 0x0a33,
+  0xc1eb, 0x2033,
+  0xc1ed, 0x0a36,
+  0xc1f3, 0x2035,
+  0xc1f4, 0x0a3d,
+  0xc1f5, 0x2036,
+  0xc1f6, 0x0a3f,
+  0xc1fa, 0x2037,
+  0xc1fe, 0x0a47,
+  0xc2a1, 0x0a48,
+  0xc2a2, 0x203b,
+  0xc2a9, 0x0a50,
+  0xc2ab, 0x2042,
+  0xc2b4, 0x0a5b,
+  0xc2b8, 0x204b,
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+  0xd1a1, 0x21e2,
+  0xd1a3, 0x0fcc,
+  0xd1a4, 0x21e4,
+  0xd1a5, 0x0fce,
+  0xd1a7, 0x21e5,
+  0xd1a8, 0x0fd1,
+  0xd1ab, 0x21e6,
+  0xd1ac, 0x0fd5,
+  0xd1af, 0x21e7,
+  0xd1b2, 0x0fdb,
+  0xd1b5, 0x21ea,
+  0xd1b8, 0x0fe1,
+  0xd1b9, 0x21ed,
+  0xd1ba, 0x0fe3,
+  0xd1bb, 0x21ee,
+  0xd1bd, 0x0fe6,
+  0xd1c6, 0x21f0,
+  0xd1c9, 0x0ff2,
+  0xd1cb, 0x21f3,
+  0xd1cc, 0x0ff5,
+  0xd1ce, 0x21f4,
+  0xd1d0, 0x0ff9,
+  0xd1d5, 0x21f6,
+  0xd1d7, 0x1000,
+  0xd1de, 0x21f8,
+  0xd1df, 0x1008,
+  0xd1e1, 0x21f9,
+  0xd1e3, 0x100c,
+  0xd1e8, 0x21fb,
+  0xd1ea, 0x1013,
+  0xd1ec, 0x21fd,
+  0xd1ed, 0x1016,
+  0xd1ee, 0x21fe,
+  0xd1f0, 0x1019,
+  0xd1f1, 0x2200,
+  0xd1f2, 0x101b,
+  0xd1f4, 0x2201,
+  0xd1f5, 0x101e,
+  0xd1f7, 0x2202,
+  0xd1fa, 0x1023,
+  0xd2a1, 0x1028,
+  0xd2a2, 0x2205,
+  0xd2a3, 0x102a,
+  0xd2a5, 0x2206,
+  0xd2a6, 0x102d,
+  0xd2a9, 0x2207,
+  0xd2aa, 0x1031,
+  0xd2af, 0x2208,
+  0xd2b0, 0x1037,
+  0xd2b3, 0x2209,
+  0xd2b4, 0x103b,
+  0xd2b5, 0x220a,
+  0xd2b7, 0x103e,
+  0xd2bd, 0x220c,
+  0xd2be, 0x1045,
+  0xd2bf, 0x220d,
+  0xd2c0, 0x1047,
+  0xd2c3, 0x220e,
+  0xd2c4, 0x104b,
+  0xd2c5, 0x220f,
+  0xd2c6, 0x104d,
+  0xd2c7, 0x2210,
+  0xd2c8, 0x104f,
+  0xd2cf, 0x2211,
+  0xd2d0, 0x1057,
+  0xd2d5, 0x2212,
+  0xd2d6, 0x105d,
+  0xd2da, 0x2213,
+  0xd2db, 0x1062,
+  0xd2e4, 0x2214,
+  0xd2e6, 0x106d,
+  0xd2e8, 0x2216,
+  0xd2ec, 0x1073,
+  0xd2ef, 0x221a,
+  0xd2f0, 0x1077,
+  0xd2f1, 0x221b,
+  0xd2f2, 0x1079,
+  0xd2f5, 0x221c,
+  0xd2f6, 0x107d,
+  0xd2f8, 0x221d,
+  0xd2f9, 0x1080,
+  0xd2fb, 0x221e,
+  0xd2fc, 0x1083,
+  0xd2fe, 0x221f,
+  0xd3a1, 0x1086,
+  0xd3a3, 0x2220,
+  0xd3ad, 0x1092,
+  0xd3ae, 0x222a,
+  0xd3af, 0x1094,
+  0xd3b1, 0x222b,
+  0xd3b2, 0x1097,
+  0xd3b4, 0x222c,
+  0xd3b7, 0x109c,
+  0xd3b8, 0x222f,
+  0xd3b9, 0x109e,
+  0xd3bb, 0x2230,
+  0xd3bc, 0x10a1,
+  0xd3c5, 0x2231,
+  0xd3c6, 0x10ab,
+  0xd3c7, 0x2232,
+  0xd3c8, 0x10ad,
+  0xd3ca, 0x2233,
+  0xd3cd, 0x10b2,
+  0xd3d5, 0x2236,
+  0xd3d6, 0x10bb,
+  0xd3df, 0x2237,
+  0xd3e1, 0x10c6,
+  0xd3e3, 0x2239,
+  0xd3e4, 0x10c9,
+  0xd3e6, 0x223a,
+  0xd3e7, 0x10cc,
+  0xd3eb, 0x223b,
+  0xd3ed, 0x10d2,
+  0xd3ef, 0x223d,
+  0xd3f0, 0x10d5,
+  0xd3f4, 0x223e,
+  0xd3f5, 0x10da,
+  0xd3fc, 0x223f,
+  0xd3fd, 0x10e2,
+  0xd3fe, 0x2240,
+  0xd4a1, 0x10e4,
+  0xd4a4, 0x2241,
+  0xd4a5, 0x10e8,
+  0xd4a6, 0x2242,
+  0xd4a9, 0x10ec,
+  0xd4af, 0x2245,
+  0xd4b3, 0x10f6,
+  0xd4b5, 0x2249,
+  0xd4b7, 0x10fa,
+  0xd4b8, 0x224b,
+  0xd4b9, 0x10fc,
+  0xd4bc, 0x224c,
+  0xd4bd, 0x1100,
+  0xd4be, 0x224d,
+  0xd4c0, 0x1103,
+  0xd4c4, 0x224f,
+  0xd4c5, 0x1108,
+  0xd4c6, 0x2250,
+  0xd4c8, 0x110b,
+  0xd4c9, 0x2252,
+  0xd4ca, 0x110d,
+  0xd4cb, 0x2253,
+  0xd4cf, 0x1112,
+  0xd4d3, 0x2257,
+  0xd4d4, 0x1117,
+  0xd4d8, 0x2258,
+  0xd4d9, 0x111c,
+  0xd4dc, 0x2259,
+  0xd4e1, 0x1124,
+  0xd4e4, 0x225e,
+  0xd4e5, 0x1128,
+  0xd4e6, 0x225f,
+  0xd4e7, 0x112a,
+  0xd4ee, 0x2260,
+  0xd4ef, 0x1132,
+  0xd4f0, 0x2261,
+  0xd4f5, 0x1138,
+  0xd4f9, 0x2266,
+  0xd4fa, 0x113d,
+  0xd4fe, 0x2267,
+  0xd5a1, 0x2268,
+  0xd5a3, 0x1144,
+  0xd5a9, 0x226a,
+  0xd5aa, 0x114b,
+  0xd5ab, 0x226b,
+  0xd5ac, 0x114d,
+  0xd5ae, 0x226c,
+  0xd5af, 0x1150,
+  0xd5b1, 0x226d,
+  0xd5b2, 0x1153,
+  0xd5b5, 0x226e,
+  0xd5b9, 0x115a,
+  0xd5bb, 0x2272,
+  0xd5bc, 0x115d,
+  0xd5bd, 0x2273,
+  0xd5be, 0x115f,
+  0xd5c0, 0x2274,
+  0xd5c1, 0x1162,
+  0xd5c5, 0x2275,
+  0xd5c6, 0x1167,
+  0xd5c7, 0x2276,
+  0xd5c8, 0x1169,
+  0xd5ca, 0x2277,
+  0xd5cc, 0x116d,
+  0xd5cd, 0x2279,
+  0xd5ce, 0x116f,
+  0xd5d4, 0x227a,
+  0xd5d5, 0x1176,
+  0xd5dd, 0x227b,
+  0xd5df, 0x1180,
+  0xd5e0, 0x227d,
+  0xd5e1, 0x1182,
+  0xd5e2, 0x227e,
+  0xd5e3, 0x1184,
+  0xd5ea, 0x227f,
+  0xd5ed, 0x118e,
+  0xd5ef, 0x2282,
+  0xd5f0, 0x1191,
+  0xd5f2, 0x2283,
+  0xd5f4, 0x1195,
+  0xd5f7, 0x15eb,
+  0xd5f8, 0x1199,
+  0xd6a1, 0x2285,
+  0xd6a5, 0x11a4,
+  0xd6af, 0x2289,
+  0xd6b1, 0x11b0,
+  0xd6b4, 0x228b,
+  0xd6b5, 0x11b4,
+  0xd6bb, 0x228c,
+  0xd6bc, 0x11bb,
+  0xd6bd, 0x228d,
+  0xd6be, 0x11bd,
+  0xd6bf, 0x228e,
+  0xd6c1, 0x11c0,
+  0xd6c4, 0x2290,
+  0xd6c5, 0x11c4,
+  0xd6ca, 0x2291,
+  0xd6cb, 0x11ca,
+  0xd6cd, 0x2292,
+  0xd6ce, 0x11cd,
+  0xd6d3, 0x2293,
+  0xd6d4, 0x11d3,
+  0xd6d5, 0x2294,
+  0xd6d8, 0x11d7,
+  0xd6da, 0x2297,
+  0xd6db, 0x11da,
+  0xd6df, 0x2298,
+  0xd6e0, 0x11df,
+  0xd6e1, 0x2299,
+  0xd6e2, 0x11e1,
+  0xd6e5, 0x229a,
+  0xd6e6, 0x11e5,
+  0xd6e7, 0x229b,
+  0xd6e9, 0x11e8,
+  0xd6ee, 0x229d,
+  0xd6f0, 0x11ef,
+  0xd6f2, 0x229f,
+  0xd6f3, 0x11f2,
+  0xd6f5, 0x22a0,
+  0xd6f7, 0x11f6,
+  0xd6fc, 0x22a2,
+  0xd7a1, 0x11fe,
+  0xd7a4, 0x22a5,
+  0xd7a5, 0x1202,
+  0xd7a8, 0x22a6,
+  0xd7ab, 0x1208,
+  0xd7ac, 0x22a9,
+  0xd7ad, 0x120a,
+  0xd7ae, 0x22aa,
+  0xd7b2, 0x120f,
+  0xd7b3, 0x22ae,
+  0xd7b5, 0x1212,
+  0xd7b6, 0x22b0,
+  0xd7b7, 0x1214,
+  0xd7b8, 0x22b1,
+  0xd7bd, 0x121a,
+  0xd7c7, 0x22b6,
+  0xd7c8, 0x1225,
+  0xd7ca, 0x22b7,
+  0xd7cb, 0x1228,
+  0xd7d5, 0x22b8,
+  0xd7d6, 0x1233,
+  0xd7db, 0x22b9,
+  0xd7df, 0x123c,
+  0xd7e7, 0x22bd,
+  0xd7e8, 0x1245,
+  0xd7e9, 0x22be,
+  0xd7eb, 0x1248,
+  0xd8a1, 0x1257,
+  0xd8c4, 0x22c0,
+  0xd8c5, 0x127b,
+  0xd8c7, 0x22c1,
+  0xd8c8, 0x127e,
+  0xd8c9, 0x22c2,
+  0xd8ca, 0x1280,
+  0xd8cc, 0x22c3,
+  0xd8ce, 0x1284,
+  0xd8d0, 0x22c5,
+  0xd8d2, 0x1288,
+  0xd8d3, 0x22c7,
+  0xd8d4, 0x128a,
+  0xd8d9, 0x22c8,
+  0xd8da, 0x1290,
+  0xd8db, 0x22c9,
+  0xd8dd, 0x1293,
+  0xd8f1, 0x22cb,
+  0xd8f2, 0x12a8,
+  0xd8f6, 0x22cc,
+  0xd8f8, 0x12ae,
+  0xd9a1, 0x12b5,
+  0xd9ad, 0x22ce,
+  0xd9ae, 0x12c2,
+  0xd9af, 0x22cf,
+  0xd9b0, 0x12c4,
+  0xd9b1, 0x22d0,
+  0xd9b4, 0x12c8,
+  0xd9c7, 0x22d3,
+  0xd9c8, 0x12dc,
+  0xd9cd, 0x22d4,
+  0xd9d1, 0x12e5,
+  0xd9dd, 0x22d8,
+  0xd9de, 0x12f2,
+  0xd9e1, 0x22d9,
+  0xd9e2, 0x12f6,
+  0xd9e4, 0x22da,
+  0xd9e5, 0x12f9,
+  0xd9e6, 0x22db,
+  0xd9e7, 0x12fb,
+  0xd9ec, 0x22dc,
+  0xd9ed, 0x1301,
+  0xd9f4, 0x22dd,
+  0xd9f6, 0x130a,
+  0xdaa1, 0x1313,
+  0xdaa5, 0x22df,
+  0xdae0, 0x1352,
+  0xdaea, 0x231a,
+  0xdaeb, 0x135d,
+  0xdaf7, 0x231b,
+  0xdaf8, 0x136a,
+  0xdaf9, 0x231c,
+  0xdafa, 0x136c,
+  0xdafe, 0x231d,
+  0xdba1, 0x1371,
+  0xdba3, 0x231e,
+  0xdba4, 0x1374,
+  0xdba6, 0x231f,
+  0xdba7, 0x1377,
+  0xdba9, 0x2320,
+  0xdbab, 0x137b,
+  0xdbbb, 0x2322,
+  0xdbbc, 0x138c,
+  0xdbbd, 0x2323,
+  0xdbbe, 0x138e,
+  0xdbcf, 0x2324,
+  0xdbd0, 0x13a0,
+  0xdbd1, 0x2325,
+  0xdbd2, 0x13a2,
+  0xdbdb, 0x2326,
+  0xdbdc, 0x13ac,
+  0xdbde, 0x2327,
+  0xdbdf, 0x13af,
+  0xdbe2, 0x2328,
+  0xdbe3, 0x13b3,
+  0xdbe4, 0x2329,
+  0xdbe5, 0x13b5,
+  0xdbeb, 0x232a,
+  0xdbec, 0x13bc,
+  0xdbee, 0x232b,
+  0xdbef, 0x13bf,
+  0xdbf1, 0x232c,
+  0xdbf2, 0x13c2,
+  0xdbf5, 0x232d,
+  0xdbf8, 0x13c8,
+  0xdca1, 0x13cf,
+  0xdcbc, 0x2330,
+  0xdcbd, 0x13eb,
+  0xdcbf, 0x2331,
+  0xdcc0, 0x13ee,
+  0xdcc2, 0x2332,
+  0xdcc3, 0x13f1,
+  0xdcc8, 0x2333,
+  0xdccb, 0x13f9,
+  0xdcd1, 0x2336,
+  0xdcd2, 0x1400,
+  0xdcd7, 0x2337,
+  0xdcd8, 0x1406,
+  0xdce0, 0x2338,
+  0xdce1, 0x140f,
+  0xdce3, 0x2339,
+  0xdce5, 0x1413,
+  0xdce9, 0x233b,
+  0xdceb, 0x1419,
+  0xdcf1, 0x233d,
+  0xdcf2, 0x1420,
+  0xdcf6, 0x233e,
+  0xdcf7, 0x1425,
+  0xdcf9, 0x233f,
+  0xdcfa, 0x1428,
+  0xdcfd, 0x2340,
+  0xdda1, 0x2342,
+  0xdda2, 0x142e,
+  0xdda3, 0x2343,
+  0xdda8, 0x1434,
+  0xddaa, 0x2348,
+  0xddac, 0x1438,
+  0xddb2, 0x234a,
+  0xddb3, 0x143f,
+  0xddb5, 0x234b,
+  0xddb6, 0x1442,
+  0xddba, 0x234c,
+  0xddbc, 0x1448,
+  0xddd3, 0x234e,
+  0xddd4, 0x1460,
+  0xdddb, 0x234f,
+  0xdddc, 0x1468,
+  0xddde, 0x2350,
+  0xdddf, 0x146b,
+  0xdde4, 0x2351,
+  0xdde5, 0x1471,
+  0xddeb, 0x2352,
+  0xddec, 0x1478,
+  0xddf1, 0x2353,
+  0xddf2, 0x147e,
+  0xddf6, 0x2354,
+  0xddf8, 0x1484,
+  0xddfc, 0x2356,
+  0xddfd, 0x1489,
+  0xddfe, 0x2357,
+  0xdea1, 0x148b,
+  0xdead, 0x2358,
+  0xdeae, 0x1498,
+  0xdeb4, 0x2359,
+  0xdeb5, 0x149f,
+  0xdeba, 0x235a,
+  0xdebb, 0x14a5,
+  0xdec6, 0x235b,
+  0xdec7, 0x14b1,
+  0xdecf, 0x235c,
+  0xded0, 0x14ba,
+  0xded1, 0x235d,
+  0xded3, 0x14bd,
+  0xded8, 0x235f,
+  0xded9, 0x14c3,
+  0xdee2, 0x2360,
+  0xdee3, 0x14cd,
+  0xdee8, 0x2361,
+  0xdee9, 0x14d3,
+  0xdeec, 0x2362,
+  0xdeed, 0x14d7,
+  0xdef3, 0x2363,
+  0xdef4, 0x14de,
+  0xdefc, 0x2364,
+  0xdefd, 0x14e7,
+  0xdfa1, 0x14e9,
+  0xdfa2, 0x2365,
+  0xdfa4, 0x14ec,
+  0xdfa5, 0x2367,
+  0xdfa6, 0x14ee,
+  0xdfb4, 0x2368,
+  0xdfb5, 0x14fd,
+  0xdfbc, 0x2369,
+  0xdfbe, 0x1506,
+  0xdfbf, 0x236b,
+  0xdfc0, 0x1508,
+  0xdfc2, 0x236c,
+  0xdfc4, 0x150c,
+  0xdfcc, 0x236e,
+  0xdfcd, 0x1515,
+  0xdfd0, 0x236f,
+  0xdfd1, 0x1519,
+  0xdfd5, 0x2370,
+  0xdfd6, 0x151e,
+  0xdfd8, 0x2371,
+  0xdfda, 0x1522,
+  0xdfdc, 0x2373,
+  0xdfdd, 0x1525,
+  0xdfe0, 0x2374,
+  0xdfe1, 0x1529,
+  0xdfe2, 0x2375,
+  0xdfe3, 0x152b,
+  0xdfe6, 0x2376,
+  0xdfe7, 0x152f,
+  0xdfe9, 0x2377,
+  0xdfea, 0x1532,
+  0xdfeb, 0x2378,
+  0xdfec, 0x1534,
+  0xdfef, 0x2379,
+  0xdff0, 0x1538,
+  0xdff5, 0x237a,
+  0xdff6, 0x153e,
+  0xdff9, 0x237b,
+  0xdffa, 0x1542,
+  0xe0a1, 0x1547,
+  0xe0b6, 0x237c,
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+  0xe0bf, 0x237e,
+  0xe0c0, 0x1566,
+  0xe0c8, 0x237f,
+  0xe0c9, 0x156f,
+  0xe0ce, 0x2380,
+  0xe0cf, 0x1575,
+  0xe0d3, 0x2381,
+  0xe0d4, 0x157a,
+  0xe0e0, 0x2382,
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+  0xe0f0, 0x2383,
+  0xe0f1, 0x1597,
+  0xe0f8, 0x2384,
+  0xe0f9, 0x159f,
+  0xe0fc, 0x2385,
+  0xe1a1, 0x15a5,
+  0xe1ab, 0x2388,
+  0xe1ac, 0x15b0,
+  0xe1ad, 0x2389,
+  0xe1ae, 0x15b2,
+  0xe1b0, 0x238a,
+  0xe1b1, 0x15b5,
+  0xe1b4, 0x238b,
+  0xe1b5, 0x15b9,
+  0xe1bb, 0x238c,
+  0xe1bc, 0x15c0,
+  0xe1bd, 0x238d,
+  0xe1be, 0x15c2,
+  0xe1c0, 0x238e,
+  0xe1c2, 0x15c6,
+  0xe1c9, 0x2390,
+  0xe1ca, 0x15ce,
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+  0xe1d1, 0x15d5,
+  0xe1db, 0x2392,
+  0xe1dc, 0x15e0,
+  0xe1e1, 0x07aa,
+  0xe1e2, 0x2393,
+  0xe1e3, 0x15e7,
+  0xe1e7, 0x1198,
+  0xe1e8, 0x15ec,
+  0xe1ee, 0x2394,
+  0xe1f0, 0x15f4,
+  0xe1f6, 0x2396,
+  0xe1f7, 0x15fb,
+  0xe1f8, 0x2397,
+  0xe1f9, 0x15fd,
+  0xe1fd, 0x2398,
+  0xe1fe, 0x1602,
+  0xe2a1, 0x1603,
+  0xe2a4, 0x2399,
+  0xe2a5, 0x1607,
+  0xe2a8, 0x239a,
+  0xe2a9, 0x160b,
+  0xe2bb, 0x239b,
+  0xe2c5, 0x10c5,
+  0xe2c6, 0x23a5,
+  0xe2cf, 0x1631,
+  0xe2d0, 0x23ae,
+  0xe2d1, 0x1633,
+  0xe2d9, 0x23af,
+  0xe2da, 0x163c,
+  0xe2e3, 0x23b0,
+  0xe2e5, 0x1647,
+  0xe2e6, 0x23b2,
+  0xe2e7, 0x1649,
+  0xe2e9, 0x23b3,
+  0xe2ec, 0x164e,
+  0xe2f8, 0x23b6,
+  0xe2f9, 0x165b,
+  0xe2fa, 0x23b7,
+  0xe2fe, 0x1660,
+  0xe3a1, 0x1661,
+  0xe3a2, 0x23bb,
+  0xe3a3, 0x1663,
+  0xe3a5, 0x23bc,
+  0xe3a6, 0x1666,
+  0xe3ab, 0x23bd,
+  0xe3ac, 0x166c,
+  0xe3b4, 0x23be,
+  0xe3b5, 0x1675,
+  0xe3c5, 0x23bf,
+  0xe3dc, 0x169c,
+  0xe3e3, 0x23d6,
+  0xe3e4, 0x16a4,
+  0xe3ed, 0x23d7,
+  0xe3ee, 0x16ae,
+  0xe3f1, 0x23d8,
+  0xe3f3, 0x16b3,
+  0xe3f8, 0x23da,
+  0xe3f9, 0x16b9,
+  0xe3fe, 0x23db,
+  0xe4a1, 0x16bf,
+  0xe4a4, 0x23dc,
+  0xe4a6, 0x16c4,
+  0xe4ab, 0x23de,
+  0xe4ac, 0x16ca,
+  0xe4af, 0x23df,
+  0xe4b2, 0x16d0,
+  0xe4b5, 0x23e2,
+  0xe4b7, 0x16d5,
+  0xe4c2, 0x23e4,
+  0xe4c3, 0x16e1,
+  0xe4c5, 0x23e5,
+  0xe4c6, 0x16e4,
+  0xe4c9, 0x23e6,
+  0xe4ca, 0x16e8,
+  0xe4d9, 0x23e7,
+  0xe4da, 0x16f8,
+  0xe4dc, 0x23e8,
+  0xe4dd, 0x16fb,
+  0xe4de, 0x23e9,
+  0xe4df, 0x16fd,
+  0xe4e4, 0x23ea,
+  0xe4e5, 0x1703,
+  0xe4eb, 0x23eb,
+  0xe4ed, 0x170b,
+  0xe4f2, 0x23ed,
+  0xe4f3, 0x1711,
+  0xe4fe, 0x23ee,
+  0xe5a1, 0x171d,
+  0xe5b0, 0x23ef,
+  0xe5b1, 0x172d,
+  0xe5b9, 0x23f0,
+  0xe5ba, 0x1736,
+  0xe5c7, 0x23f1,
+  0xe5c8, 0x1744,
+  0xe5c9, 0x23f2,
+  0xe5ca, 0x1746,
+  0xe5ce, 0x23f3,
+  0xe5cf, 0x174b,
+  0xe5f0, 0x23f4,
+  0xe5f1, 0x176d,
+  0xe5f2, 0x23f5,
+  0xe5f3, 0x176f,
+  0xe5fc, 0x23f6,
+  0xe5fe, 0x177a,
+  0xe6a1, 0x177b,
+  0xe6a3, 0x23f8,
+  0xe6a4, 0x177e,
+  0xe6ab, 0x23f9,
+  0xe6ad, 0x1787,
+  0xe6ae, 0x23fb,
+  0xe6af, 0x1789,
+  0xe6b4, 0x23fc,
+  0xe6b6, 0x1790,
+  0xe6bf, 0x23fe,
+  0xe6c0, 0x179a,
+  0xe6c8, 0x23ff,
+  0xe6ca, 0x17a4,
+  0xe6cd, 0x2401,
+  0xe6ce, 0x17a8,
+  0xe6e0, 0x2402,
+  0xe7a1, 0x2421,
+  0xe7db, 0x1813,
+  0xe7e1, 0x245b,
+  0xe7e3, 0x181b,
+  0xe7e7, 0x245d,
+  0xe7e8, 0x1820,
+  0xe7ef, 0x245e,
+  0xe7f0, 0x1828,
+  0xe7f4, 0x245f,
+  0xe7f7, 0x182f,
+  0xe8a1, 0x1837,
+  0xe8a8, 0x2462,
+  0xe8a9, 0x183f,
+  0xe8ac, 0x2463,
+  0xe8ad, 0x1843,
+  0xe8b6, 0x2464,
+  0xe8b7, 0x184d,
+  0xe8b8, 0x2465,
+  0xe8bb, 0x1851,
+  0xe8bf, 0x2468,
+  0xe8c1, 0x1857,
+  0xe8c5, 0x246a,
+  0xe8c6, 0x185c,
+  0xe8c7, 0x246b,
+  0xe8ca, 0x1860,
+  0xe8ce, 0x246e,
+  0xe8cf, 0x1865,
+  0xe8d0, 0x246f,
+  0xe8d1, 0x1867,
+  0xe8d3, 0x2470,
+  0xe8d4, 0x186a,
+  0xe8dd, 0x2471,
+  0xe8de, 0x1874,
+  0xe8df, 0x2472,
+  0xe8e0, 0x1876,
+  0xe8e2, 0x2473,
+  0xe8e4, 0x187a,
+  0xe8e5, 0x2475,
+  0xe8e6, 0x187c,
+  0xe8e7, 0x2476,
+  0xe8e8, 0x187e,
+  0xe8eb, 0x2477,
+  0xe8ec, 0x1882,
+  0xe8ed, 0x2478,
+  0xe8ee, 0x1884,
+  0xe8ef, 0x2479,
+  0xe8f0, 0x1886,
+  0xe8f9, 0x247a,
+  0xe8fa, 0x1890,
+  0xe8fc, 0x247b,
+  0xe8fe, 0x1894,
+  0xe9a1, 0x247d,
+  0xe9a2, 0x1896,
+  0xe9ad, 0x247e,
+  0xe9ae, 0x18a2,
+  0xe9b4, 0x247f,
+  0xe9b6, 0x18aa,
+  0xe9b7, 0x2481,
+  0xe9b8, 0x18ac,
+  0xe9c4, 0x2482,
+  0xe9c5, 0x18b9,
+  0xe9c6, 0x2483,
+  0xe9c7, 0x18bb,
+  0xe9c9, 0x2484,
+  0xe9ca, 0x18be,
+  0xe9d6, 0x2485,
+  0xe9d7, 0x18cb,
+  0xe9da, 0x2486,
+  0xe9db, 0x18cf,
+  0xe9e4, 0x2487,
+  0xe9e5, 0x18d9,
+  0xe9e6, 0x2488,
+  0xe9e8, 0x18dc,
+  0xe9e9, 0x248a,
+  0xe9ea, 0x18de,
+  0xe9eb, 0x248b,
+  0xe9ec, 0x18e0,
+  0xe9ed, 0x248c,
+  0xeaa1, 0x249e,
+  0xeaa6, 0x18f8,
+  0xeaa7, 0x24a3,
+  0xeaa9, 0x18fb,
+  0xeab1, 0x24a5,
+  0xeab2, 0x1904,
+  0xeabc, 0x24a6,
+  0xeabd, 0x190f,
+  0xeaca, 0x24a7,
+  0xeacb, 0x191d,
+  0xeacd, 0x24a8,
+  0xeace, 0x1920,
+  0xead3, 0x24a9,
+  0xead4, 0x1926,
+  0xeada, 0x24aa,
+  0xeaf0, 0x1942,
+  0xeba1, 0x1951,
+  0xeba7, 0x24c0,
+  0xeba8, 0x1958,
+  0xebaa, 0x24c1,
+  0xebab, 0x195b,
+  0xebb2, 0x24c2,
+  0xebb3, 0x1963,
+  0xebb9, 0x24c3,
+  0xebba, 0x196a,
+  0xebca, 0x24c4,
+  0xebcc, 0x197c,
+  0xebcd, 0x24c6,
+  0xebce, 0x197e,
+  0xebd6, 0x24c7,
+  0xebd7, 0x1987,
+  0xebda, 0x24c8,
+  0xebdb, 0x198b,
+  0xebe1, 0x24c9,
+  0xebe2, 0x1992,
+  0xebf7, 0x24ca,
+  0xebf8, 0x19a8,
+  0xeca1, 0x19af,
+  0xeca3, 0x24cb,
+  0xeca4, 0x19b2,
+  0xeca9, 0x24cc,
+  0xecaf, 0x19bd,
+  0xecb1, 0x24d2,
+  0xecb2, 0x19c0,
+  0xecb4, 0x24d3,
+  0xecb6, 0x19c4,
+  0xecbe, 0x24d5,
+  0xecc0, 0x19ce,
+  0xecc1, 0x24d7,
+  0xecc2, 0x19d0,
+  0xecc7, 0x24d8,
+  0xecc8, 0x19d6,
+  0xeccb, 0x24d9,
+  0xeccc, 0x19da,
+  0xece2, 0x24da,
+  0xece3, 0x19f1,
+  0xecf2, 0x24db,
+  0xecf3, 0x1a01,
+  0xecf5, 0x24dc,
+  0xecf6, 0x1a04,
+  0xecf8, 0x24dd,
+  0xecf9, 0x1a07,
+  0xeda1, 0x24de,
+  0xeda2, 0x1a0e,
+  0xeda8, 0x24df,
+  0xeda9, 0x1a15,
+  0xedaf, 0x24e0,
+  0xedb1, 0x1a1d,
+  0xedb4, 0x24e2,
+  0xedb5, 0x1a21,
+  0xedb6, 0x24e3,
+  0xedb7, 0x1a23,
+  0xedb8, 0x24e4,
+  0xedb9, 0x1a25,
+  0xedba, 0x24e5,
+  0xedbb, 0x1a27,
+  0xedbf, 0x24e6,
+  0xedc0, 0x1a2c,
+  0xedc2, 0x24e7,
+  0xedc4, 0x1a30,
+  0xedcc, 0x24e9,
+  0xedce, 0x1a3a,
+  0xedd3, 0x24eb,
+  0xedd4, 0x1a40,
+  0xedd7, 0x24ec,
+  0xedd8, 0x1a44,
+  0xede8, 0x24ed,
+  0xede9, 0x1a55,
+  0xedee, 0x24ee,
+  0xedef, 0x1a5b,
+  0xedf9, 0x24ef,
+  0xedfb, 0x1a67,
+  0xeea1, 0x1a6b,
+  0xeebc, 0x24f1,
+  0xeebd, 0x1a87,
+  0xeebf, 0x24f2,
+  0xeec0, 0x1a8a,
+  0xeec4, 0x24f3,
+  0xefa1, 0x252e,
+  0xeff2, 0x1b1a,
+  0xf0a1, 0x1b27,
+  0xf0a3, 0x257f,
+  0xf0a4, 0x1b2a,
+  0xf0af, 0x2580,
+  0xf0da, 0x1b60,
+  0xf0dc, 0x25ab,
+  0xf0de, 0x1b64,
+  0xf0df, 0x25ad,
+  0xf0e0, 0x1b66,
+  0xf0e9, 0x25ae,
+  0xf0ea, 0x1b70,
+  0xf0ec, 0x25af,
+  0xf0ed, 0x1b73,
+  0xf0ef, 0x25b0,
+  0xf0f0, 0x1b76,
+  0xf0f7, 0x25b1,
+  0xf0f8, 0x1b7e,
+  0xf0f9, 0x25b2,
+  0xf0fa, 0x1b80,
+  0xf0fc, 0x25b3,
+  0xf0fd, 0x1b83,
+  0xf1a1, 0x1b85,
+  0xf1a8, 0x25b4,
+  0xf1a9, 0x1b8d,
+  0xf1ab, 0x25b5,
+  0xf1ac, 0x1b90,
+  0xf1ae, 0x25b6,
+  0xf1af, 0x1b93,
+  0xf1b2, 0x25b7,
+  0xf1b3, 0x1b97,
+  0xf1bc, 0x25b8,
+  0xf1bd, 0x1ba1,
+  0xf1c0, 0x25b9,
+  0xf1c1, 0x1ba5,
+  0xf1c9, 0x25ba,
+  0xf1ca, 0x1bae,
+  0xf1cd, 0x25bb,
+  0xf1ce, 0x1bb2,
+  0xf1cf, 0x25bc,
+  0xf1d1, 0x1bb5,
+  0xf1da, 0x25be,
+  0xf1db, 0x1bbf,
+  0xf1dc, 0x25bf,
+  0xf1dd, 0x1bc1,
+  0xf1e4, 0x25c0,
+  0xf1e5, 0x1bc9,
+  0xf1ec, 0x25c1,
+  0xf1ed, 0x1bd1,
+  0xf1ef, 0x25c2,
+  0xf1f0, 0x1bd4,
+  0xf1f7, 0x25c3,
+  0xf1f8, 0x1bdc,
+  0xf1f9, 0x25c4,
+  0xf1fa, 0x1bde,
+  0xf1fc, 0x25c5,
+  0xf2a1, 0x25c8,
+  0xf2ae, 0x1bf0,
+  0xf2b1, 0x25d5,
+  0xf2b3, 0x1bf5,
+  0xf2b9, 0x25d7,
+  0xf2ba, 0x1bfc,
+  0xf2c3, 0x25d8,
+  0xf2c4, 0x1c06,
+  0xf2c9, 0x25d9,
+  0xf2ca, 0x1c0c,
+  0xf2cc, 0x25da,
+  0xf2ce, 0x1c10,
+  0xf2cf, 0x25dc,
+  0xf2d0, 0x1c12,
+  0xf2d3, 0x25dd,
+  0xf2d4, 0x1c16,
+  0xf2e5, 0x25de,
+  0xf2e6, 0x1c28,
+  0xf2ee, 0x25df,
+  0xf2ef, 0x1c31,
+  0xf2f7, 0x25e0,
+  0xf2f8, 0x1c3a,
+  0xf2fd, 0x25e1,
+  0xf2fe, 0x1c40,
+  0xf3a1, 0x1c41,
+  0xf3bf, 0x25e2,
+  0xf3c0, 0x1c60,
+  0xf3c6, 0x25e3,
+  0xf3c7, 0x1c67,
+  0xf3c8, 0x25e4,
+  0xf3c9, 0x1c69,
+  0xf3d6, 0x25e5,
+  0xf3d7, 0x1c77,
+  0xf3d9, 0x25e6,
+  0xf3da, 0x1c7a,
+  0xf3e5, 0x25e7,
+  0xf3e7, 0x1c87,
+  0xf3ea, 0x25e9,
+  0xf3eb, 0x1c8b,
+  0xf3ec, 0x25ea,
+  0xf3ed, 0x1c8d,
+  0xf3ef, 0x25eb,
+  0xf3f0, 0x1c90,
+  0xf3f1, 0x25ec,
+  0xf3f2, 0x1c92,
+  0xf3fd, 0x25ed,
+  0xf3fe, 0x1c9e,
+  0xf4a1, 0x1c9f,
+  0xf4a5, 0x25ee,
+  0xf4a6, 0x1ca4,
+  0xf4af, 0x25ef,
+  0xf4b0, 0x1cae,
+  0xf4b5, 0x25f0,
+  0xf4b6, 0x1cb4,
+  0xf4c1, 0x25f1,
+  0xf4c2, 0x1cc0,
+  0xf4c7, 0x25f2,
+  0xf4c8, 0x1cc6,
+  0xf4cf, 0x25f3,
+  0xf4d1, 0x1ccf,
+  0xf4d6, 0x25f5,
+  0xf4d7, 0x1cd5,
+  0xf4ea, 0x25f6,
+  0xf4eb, 0x1ce9,
+  0xf4ef, 0x25f7,
+  0xf4f0, 0x1cee,
+  0xf4f5, 0x25f8,
+  0xf4f6, 0x1cf4,
+  0xf5a1, 0x1cfd,
+  0xf5a6, 0x25f9,
+  0xf5a8, 0x1d04,
+  0xf5ba, 0x25fb,
+  0xf5bc, 0x1d18,
+  0xf5c4, 0x25fd,
+  0xf5c5, 0x1d21,
+  0xf5c8, 0x25fe,
+  0xf5c9, 0x1d25,
+  0xf5ce, 0x25ff,
+  0xf5d0, 0x1d2c,
+  0xf5d1, 0x2601,
+  0xf5d3, 0x1d2f,
+  0xf5d9, 0x2603,
+  0xf5da, 0x1d36,
+  0xf5dc, 0x2604,
+  0xf5dd, 0x1d39,
+  0xf5e6, 0x2605,
+  0xf5e8, 0x1d44,
+  0xf5ef, 0x2607,
+  0xf5f0, 0x1d4c,
+  0xf5f2, 0x2608,
+  0xf5f3, 0x1d4f,
+  0xf5fc, 0x2609,
+  0xf5fd, 0x1d59,
+  0xf6a1, 0x1d5b,
+  0xf6a3, 0x260a,
+  0xf6a4, 0x1d5e,
+  0xf6a6, 0x260b,
+  0xf6a7, 0x1d61,
+  0xf6a8, 0x260c,
+  0xf6a9, 0x1d63,
+  0xf6ab, 0x260d,
+  0xf6ac, 0x1d66,
+  0xf6b0, 0x260e,
+  0xf6b1, 0x1d6b,
+  0xf6b3, 0x260f,
+  0xf6bf, 0x1d79,
+  0xf6c5, 0x261b,
+  0xf6c6, 0x1d80,
+  0xf6c7, 0x261c,
+  0xf6c8, 0x1d82,
+  0xf6c9, 0x261d,
+  0xf6ca, 0x1d84,
+  0xf6cf, 0x261e,
+  0xf7a1, 0x264e,
+  0xf7b0, 0x1dc8,
+  0xf7b2, 0x265d,
+  0xf7b4, 0x1dcc,
+  0xf7b5, 0x265f,
+  0xf7b6, 0x1dce,
+  0xf7bd, 0x2660,
+  0xf7be, 0x1dd6,
+  0xf7c3, 0x2661,
+  0xf7c4, 0x1ddc,
+  0xf7c5, 0x2662,
+  0xf7c7, 0x1ddf,
+  0xf7ca, 0x2664,
+  0xf7cc, 0x1de4,
+  0xf7cf, 0x2666,
+  0xf7d1, 0x1de9,
+  0xf7de, 0x2668,
+  0xf7df, 0x1df7,
+  0xf7e1, 0x0ab9,
+  0xf7e2, 0x1dfa,
+  0xf7f2, 0x2669,
+  0xf7f3, 0x1e0b,
+  0xf7f5, 0x266a,
+  0xf7f6, 0x1e0e,
+  0xf8a1, 0x266b,
+  0xf8a7, 0x04cc,
+  0xf8a8, 0x050a,
+  0xf8a9, 0x0518,
+  0xf8aa, 0x2671,
+  0xf8ac, 0x0594,
+  0xf8ad, 0x05ce,
+  0xf8ae, 0x2673,
+  0xf8af, 0x05f6,
+  0xf8b0, 0x2674,
+  0xf8b2, 0x0653,
+  0xf8b3, 0x067e,
+  0xf8b4, 0x2676,
+  0xf8b5, 0x06c4,
+  0xf8b6, 0x2677,
+  0xf8b8, 0x073c,
+  0xf8b9, 0x2679,
+  0xf8bb, 0x07c3,
+  0xf8bc, 0x267b,
+  0xf8c0, 0x082b,
+  0xf8c1, 0x267f,
+  0xf8c2, 0x084e,
+  0xf8c3, 0x0869,
+  0xf8c4, 0x2680,
+  0xf8c6, 0x090c,
+  0xf8c7, 0x2682,
+  0xf8c9, 0x0971,
+  0xf8ca, 0x2684,
+  0xf8cb, 0x099a,
+  0xf8cd, 0x2685,
+  0xf8ce, 0x09da,
+  0xf8cf, 0x2686,
+  0xf8d0, 0x09fa,
+  0xf8d1, 0x2687,
+  0xf8dc, 0x0bda,
+  0xf8dd, 0x0bdd,
+  0xf8de, 0x0bea,
+  0xf8df, 0x0bec,
+  0xf8e0, 0x0bf2,
+  0xf8e1, 0x2692,
+  0xf8e6, 0x0c92,
+  0xf8e7, 0x0d1a,
+  0xf8e8, 0x0d8c,
+  0xf8e9, 0x0dbe,
+  0xf8ea, 0x2697,
+  0xf8eb, 0x0dfb,
+  0xf8ec, 0x2698,
+  0xf8ef, 0x0e70,
+  0xf8f0, 0x269b,
+  0xf8f1, 0x0ea3,
+  0xf8f2, 0x269c,
+  0xf8f8, 0x103d,
+  0xf8f9, 0x10d9,
+  0xf8fa, 0x26a2,
+  0xf8fc, 0x10fb,
+  0xf8fd, 0x1109,
+  0xf8fe, 0x26a4,
+  0xf9a1, 0x11a1,
+  0xf9a2, 0x26a5,
+  0xf9a3, 0x11ba,
+  0xf9a4, 0x26a6,
+  0xf9a6, 0x11d5,
+  0xf9a7, 0x26a8,
+  0xf9a8, 0x11fd,
+  0xf9a9, 0x1219,
+  0xa1a2, 0x023f,
+  0xa1a3, 0x023e,
+  0xa1aa, 0x0256,
+  0xa1ab, 0x1e18,
+  0xa1ad, 0x0257,
+  0xa1b2, 0x0246,
+  0xa1fe, 0x1e1a,
+  0xa3a1, 0x0242,
+  0xa3a8, 0x0244,
+  0xa3ac, 0x023d,
+  0xa3ae, 0x1e1b,
+  0xa3ba, 0x0240,
+  0xa3bd, 0x1e1c,
+  0xa3bf, 0x0243,
+  0xa3db, 0x1e1d,
+  0xa3dd, 0x1e1e,
+  0xa3df, 0x0258,
+  0xa3fb, 0x0254,
+  0xa3fd, 0x0255,
+  0xa3fe, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBTpcEUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x1e20, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1e21, 0x1e22, 0x1e23 },
+  gb12GBTpcEUCVMap2, 2303
+};
+
+static Gushort gb12GBpcEUCHMap2[180] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb1a1, 0x040a,
+  0xb2a1, 0x0468,
+  0xb3a1, 0x04c6,
+  0xb4a1, 0x0524,
+  0xb5a1, 0x0582,
+  0xb6a1, 0x05e0,
+  0xb7a1, 0x063e,
+  0xb8a1, 0x069c,
+  0xb9a1, 0x06fa,
+  0xbaa1, 0x0758,
+  0xbba1, 0x07b6,
+  0xbca1, 0x0814,
+  0xbda1, 0x0872,
+  0xbea1, 0x08d0,
+  0xbfa1, 0x092e,
+  0xc0a1, 0x098c,
+  0xc1a1, 0x09ea,
+  0xc2a1, 0x0a48,
+  0xc3a1, 0x0aa6,
+  0xc4a1, 0x0b04,
+  0xc5a1, 0x0b62,
+  0xc6a1, 0x0bc0,
+  0xc7a1, 0x0c1e,
+  0xc8a1, 0x0c7c,
+  0xc9a1, 0x0cda,
+  0xcaa1, 0x0d38,
+  0xcba1, 0x0d96,
+  0xcca1, 0x0df4,
+  0xcda1, 0x0e52,
+  0xcea1, 0x0eb0,
+  0xcfa1, 0x0f0e,
+  0xd0a1, 0x0f6c,
+  0xd1a1, 0x0fca,
+  0xd2a1, 0x1028,
+  0xd3a1, 0x1086,
+  0xd4a1, 0x10e4,
+  0xd5a1, 0x1142,
+  0xd6a1, 0x11a0,
+  0xd7a1, 0x11fe,
+  0xd8a1, 0x1257,
+  0xd9a1, 0x12b5,
+  0xdaa1, 0x1313,
+  0xdba1, 0x1371,
+  0xdca1, 0x13cf,
+  0xdda1, 0x142d,
+  0xdea1, 0x148b,
+  0xdfa1, 0x14e9,
+  0xe0a1, 0x1547,
+  0xe1a1, 0x15a5,
+  0xe2a1, 0x1603,
+  0xe3a1, 0x1661,
+  0xe4a1, 0x16bf,
+  0xe5a1, 0x171d,
+  0xe6a1, 0x177b,
+  0xe7a1, 0x17d9,
+  0xe8a1, 0x1837,
+  0xe9a1, 0x1895,
+  0xeaa1, 0x18f3,
+  0xeba1, 0x1951,
+  0xeca1, 0x19af,
+  0xeda1, 0x1a0d,
+  0xeea1, 0x1a6b,
+  0xefa1, 0x1ac9,
+  0xf0a1, 0x1b27,
+  0xf1a1, 0x1b85,
+  0xf2a1, 0x1be3,
+  0xf3a1, 0x1c41,
+  0xf4a1, 0x1c9f,
+  0xf5a1, 0x1cfd,
+  0xf6a1, 0x1d5b,
+  0xf7a1, 0x1db9,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBpcEUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x1e20, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1e21, 0x1e22, 0x1e23 },
+  gb12GBpcEUCHMap2, 90
+};
+
+static Gushort gb12GBpcEUCVMap2[220] = {
+  0x0000, 0x0000,
+  0xa1a1, 0x0060,
+  0xa2b1, 0x00be,
+  0xa2e5, 0x00f0,
+  0xa2f1, 0x00fa,
+  0xa3a1, 0x0106,
+  0xa4a1, 0x0164,
+  0xa5a1, 0x01b7,
+  0xa6a1, 0x020d,
+  0xa6c1, 0x0225,
+  0xa7a1, 0x025a,
+  0xa7d1, 0x027b,
+  0xa8a1, 0x029c,
+  0xa8c5, 0x02bc,
+  0xa9a4, 0x02e2,
+  0xaaa1, 0x032e,
+  0xaba1, 0x038c,
+  0xb0a1, 0x03ac,
+  0xb1a1, 0x040a,
+  0xb2a1, 0x0468,
+  0xb3a1, 0x04c6,
+  0xb4a1, 0x0524,
+  0xb5a1, 0x0582,
+  0xb6a1, 0x05e0,
+  0xb7a1, 0x063e,
+  0xb8a1, 0x069c,
+  0xb9a1, 0x06fa,
+  0xbaa1, 0x0758,
+  0xbba1, 0x07b6,
+  0xbca1, 0x0814,
+  0xbda1, 0x0872,
+  0xbea1, 0x08d0,
+  0xbfa1, 0x092e,
+  0xc0a1, 0x098c,
+  0xc1a1, 0x09ea,
+  0xc2a1, 0x0a48,
+  0xc3a1, 0x0aa6,
+  0xc4a1, 0x0b04,
+  0xc5a1, 0x0b62,
+  0xc6a1, 0x0bc0,
+  0xc7a1, 0x0c1e,
+  0xc8a1, 0x0c7c,
+  0xc9a1, 0x0cda,
+  0xcaa1, 0x0d38,
+  0xcba1, 0x0d96,
+  0xcca1, 0x0df4,
+  0xcda1, 0x0e52,
+  0xcea1, 0x0eb0,
+  0xcfa1, 0x0f0e,
+  0xd0a1, 0x0f6c,
+  0xd1a1, 0x0fca,
+  0xd2a1, 0x1028,
+  0xd3a1, 0x1086,
+  0xd4a1, 0x10e4,
+  0xd5a1, 0x1142,
+  0xd6a1, 0x11a0,
+  0xd7a1, 0x11fe,
+  0xd8a1, 0x1257,
+  0xd9a1, 0x12b5,
+  0xdaa1, 0x1313,
+  0xdba1, 0x1371,
+  0xdca1, 0x13cf,
+  0xdda1, 0x142d,
+  0xdea1, 0x148b,
+  0xdfa1, 0x14e9,
+  0xe0a1, 0x1547,
+  0xe1a1, 0x15a5,
+  0xe2a1, 0x1603,
+  0xe3a1, 0x1661,
+  0xe4a1, 0x16bf,
+  0xe5a1, 0x171d,
+  0xe6a1, 0x177b,
+  0xe7a1, 0x17d9,
+  0xe8a1, 0x1837,
+  0xe9a1, 0x1895,
+  0xeaa1, 0x18f3,
+  0xeba1, 0x1951,
+  0xeca1, 0x19af,
+  0xeda1, 0x1a0d,
+  0xeea1, 0x1a6b,
+  0xefa1, 0x1ac9,
+  0xf0a1, 0x1b27,
+  0xf1a1, 0x1b85,
+  0xf2a1, 0x1be3,
+  0xf3a1, 0x1c41,
+  0xf4a1, 0x1c9f,
+  0xf5a1, 0x1cfd,
+  0xf6a1, 0x1d5b,
+  0xf7a1, 0x1db9,
+  0xa1a2, 0x023f,
+  0xa1a3, 0x023e,
+  0xa1aa, 0x0256,
+  0xa1ab, 0x1e18,
+  0xa1ad, 0x0257,
+  0xa1b2, 0x0246,
+  0xa1fe, 0x1e1a,
+  0xa3a1, 0x0242,
+  0xa3a8, 0x0244,
+  0xa3ac, 0x023d,
+  0xa3ae, 0x1e1b,
+  0xa3ba, 0x0240,
+  0xa3bd, 0x1e1c,
+  0xa3bf, 0x0243,
+  0xa3db, 0x1e1d,
+  0xa3dd, 0x1e1e,
+  0xa3df, 0x0258,
+  0xa3fb, 0x0254,
+  0xa3fd, 0x0255,
+  0xa3fe, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12GBpcEUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x1e20, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1e21, 0x1e22, 0x1e23 },
+  gb12GBpcEUCVMap2, 110
+};
+
+static Gushort gb12UniGBUCS2HMap2[26922] = {
+  0x0000, 0x0000,
+  0x0020, 0x0001,
+  0x00a4, 0x00a7,
+  0x00a7, 0x00ab,
+  0x00a8, 0x0066,
+  0x00b0, 0x00a2,
+  0x00b1, 0x007f,
+  0x00d7, 0x0080,
+  0x00e0, 0x029f,
+  0x00e1, 0x029d,
+  0x00e8, 0x02a3,
+  0x00e9, 0x02a1,
+  0x00ea, 0x02b5,
+  0x00ec, 0x02a7,
+  0x00ed, 0x02a5,
+  0x00f2, 0x02ab,
+  0x00f3, 0x02a9,
+  0x00f7, 0x0081,
+  0x00f9, 0x02af,
+  0x00fa, 0x02ad,
+  0x00fc, 0x02b4,
+  0x0101, 0x029c,
+  0x0113, 0x02a0,
+  0x011b, 0x02a2,
+  0x012b, 0x02a4,
+  0x014d, 0x02a8,
+  0x016b, 0x02ac,
+  0x01ce, 0x029e,
+  0x01d0, 0x02a6,
+  0x01d2, 0x02aa,
+  0x01d4, 0x02ae,
+  0x01d6, 0x02b0,
+  0x01d8, 0x02b1,
+  0x01da, 0x02b2,
+  0x01dc, 0x02b3,
+  0x02c7, 0x0065,
+  0x02c9, 0x0064,
+  0x02ca, 0x26b3,
+  0x02d9, 0x26b5,
+  0x0391, 0x020d,
+  0x03a3, 0x021e,
+  0x03b1, 0x0225,
+  0x03c3, 0x0236,
+  0x0401, 0x0260,
+  0x0410, 0x025a,
+  0x0416, 0x0261,
+  0x0436, 0x0282,
+  0x0451, 0x0281,
+  0x1e3f, 0x02b7,
+  0x2010, 0x2722,
+  0x2013, 0x26b6,
+  0x2014, 0x0069,
+  0x2015, 0x26b7,
+  0x2016, 0x006b,
+  0x2018, 0x006d,
+  0x201c, 0x006f,
+  0x2025, 0x26b8,
+  0x2026, 0x006c,
+  0x2030, 0x00aa,
+  0x2032, 0x00a3,
+  0x2035, 0x26b9,
+  0x203b, 0x00b8,
+  0x2103, 0x00a5,
+  0x2105, 0x26ba,
+  0x2109, 0x26bb,
+  0x2116, 0x00ac,
+  0x2121, 0x2720,
+  0x2160, 0x00fa,
+  0x2170, 0x26a9,
+  0x2190, 0x00ba,
+  0x2192, 0x00b9,
+  0x2193, 0x00bc,
+  0x2196, 0x26bc,
+  0x2208, 0x0089,
+  0x220f, 0x0086,
+  0x2211, 0x0085,
+  0x2215, 0x26c0,
+  0x221a, 0x008b,
+  0x221d, 0x0097,
+  0x221e, 0x009d,
+  0x221f, 0x26c1,
+  0x2220, 0x008e,
+  0x2223, 0x26c2,
+  0x2225, 0x008d,
+  0x2227, 0x0083,
+  0x2229, 0x0088,
+  0x222a, 0x0087,
+  0x222b, 0x0091,
+  0x222e, 0x0092,
+  0x2234, 0x009f,
+  0x2235, 0x009e,
+  0x2236, 0x0082,
+  0x2237, 0x008a,
+  0x223d, 0x0096,
+  0x2248, 0x0095,
+  0x224c, 0x0094,
+  0x2252, 0x26c3,
+  0x2260, 0x0098,
+  0x2261, 0x0093,
+  0x2264, 0x009b,
+  0x2266, 0x26c4,
+  0x226e, 0x0099,
+  0x2295, 0x2704,
+  0x2299, 0x0090,
+  0x22a5, 0x008c,
+  0x22bf, 0x26c6,
+  0x22ef, 0x006c,
+  0x2312, 0x008f,
+  0x2460, 0x00e6,
+  0x2474, 0x00d2,
+  0x2488, 0x00be,
+  0x2500, 0x02e2,
+  0x2550, 0x26c7,
+  0x2581, 0x26eb,
+  0x2593, 0x26fa,
+  0x25a0, 0x00b5,
+  0x25a1, 0x00b4,
+  0x25b2, 0x00b7,
+  0x25b3, 0x00b6,
+  0x25bc, 0x26fd,
+  0x25c6, 0x00b3,
+  0x25c7, 0x00b2,
+  0x25cb, 0x00af,
+  0x25ce, 0x00b1,
+  0x25cf, 0x00b0,
+  0x25e2, 0x26ff,
+  0x2605, 0x00ae,
+  0x2606, 0x00ad,
+  0x2609, 0x2703,
+  0x2640, 0x00a1,
+  0x2642, 0x00a0,
+  0x3000, 0x0060,
+  0x3003, 0x0067,
+  0x3005, 0x0068,
+  0x3006, 0x2728,
+  0x3007, 0x1e17,
+  0x3008, 0x0073,
+  0x3010, 0x007d,
+  0x3012, 0x2705,
+  0x3013, 0x00bd,
+  0x3014, 0x0071,
+  0x3016, 0x007b,
+  0x301d, 0x2706,
+  0x3021, 0x2708,
+  0x3041, 0x0164,
+  0x309b, 0x2724,
+  0x309d, 0x2729,
+  0x30a1, 0x01b7,
+  0x30fb, 0x0063,
+  0x30fc, 0x2723,
+  0x30fd, 0x2726,
+  0x3105, 0x02bc,
+  0x3220, 0x00f0,
+  0x3231, 0x2721,
+  0x32a3, 0x2711,
+  0x338e, 0x2712,
+  0x339c, 0x2714,
+  0x33a1, 0x2717,
+  0x33c4, 0x2718,
+  0x33ce, 0x2719,
+  0x33d1, 0x271a,
+  0x33d5, 0x271c,
+  0x4e00, 0x1042,
+  0x4e01, 0x05e0,
+  0x4e02, 0x2758,
+  0x4e03, 0x0bfe,
+  0x4e04, 0x2759,
+  0x4e07, 0x0ea3,
+  0x4e08, 0x116a,
+  0x4e09, 0x0cd8,
+  0x4e0a, 0x0d08,
+  0x4e0b, 0x0f2f,
+  0x4e0c, 0x1258,
+  0x4e0d, 0x0482,
+  0x4e0e, 0x10d0,
+  0x4e0f, 0x275c,
+  0x4e10, 0x125a,
+  0x4e11, 0x0518,
+  0x4e12, 0x275d,
+  0x4e13, 0x1205,
+  0x4e14, 0x0c4f,
+  0x4e15, 0x125d,
+  0x4e16, 0x0d57,
+  0x4e17, 0x275e,
+  0x4e18, 0x0c6d,
+  0x4e19, 0x0464,
+  0x4e1a, 0x103c,
+  0x4e1b, 0x0557,
+  0x4e1c, 0x05ea,
+  0x4e1d, 0x0db4,
+  0x4e1e, 0x125f,
+  0x4e1f, 0x275f,
+  0x4e22, 0x05e9,
+  0x4e23, 0x2762,
+  0x4e24, 0x0a06,
+  0x4e25, 0x0ff8,
+  0x4e26, 0x2763,
+  0x4e27, 0x0cde,
+  0x4e28, 0x1263,
+  0x4e29, 0x2764,
+  0x4e2a, 0x06f1,
+  0x4e2b, 0x0fe7,
+  0x4e2c, 0x169c,
+  0x4e2d, 0x11cf,
+  0x4e2e, 0x2765,
+  0x4e30, 0x067e,
+  0x4e31, 0x2767,
+  0x4e32, 0x0531,
+  0x4e33, 0x2768,
+  0x4e34, 0x0a22,
+  0x4e35, 0x2769,
+  0x4e36, 0x1272,
+  0x4e37, 0x276a,
+  0x4e38, 0x0e99,
+  0x4e39, 0x0585,
+  0x4e3a, 0x0eb9,
+  0x4e3b, 0x11f6,
+  0x4e3c, 0x276b,
+  0x4e3d, 0x09e1,
+  0x4e3e, 0x0908,
+  0x4e3f, 0x1265,
+  0x4e40, 0x276c,
+  0x4e43, 0x0b2e,
+  0x4e44, 0x276f,
+  0x4e45, 0x08f2,
+  0x4e46, 0x2770,
+  0x4e47, 0x1267,
+  0x4e48, 0x0ab9,
+  0x4e49, 0x106c,
+  0x4e4a, 0x2771,
+  0x4e4b, 0x11ad,
+  0x4e4c, 0x0ee9,
+  0x4e4d, 0x1148,
+  0x4e4e, 0x07ac,
+  0x4e4f, 0x0643,
+  0x4e50, 0x09c1,
+  0x4e51, 0x2772,
+  0x4e52, 0x0bd8,
+  0x4e53, 0x0b93,
+  0x4e54, 0x0c44,
+  0x4e55, 0x2773,
+  0x4e56, 0x072d,
+  0x4e57, 0x2774,
+  0x4e58, 0x04f0,
+  0x4e59, 0x1059,
+  0x4e5a, 0x2775,
+  0x4e5c, 0x1275,
+  0x4e5d, 0x08f4,
+  0x4e5e, 0x0c11,
+  0x4e5f, 0x1039,
+  0x4e60, 0x0f1d,
+  0x4e61, 0x0f54,
+  0x4e62, 0x2777,
+  0x4e66, 0x0d80,
+  0x4e67, 0x277b,
+  0x4e69, 0x1276,
+  0x4e6a, 0x277d,
+  0x4e70, 0x0a99,
+  0x4e71, 0x0a79,
+  0x4e72, 0x2783,
+  0x4e73, 0x0cc4,
+  0x4e74, 0x2784,
+  0x4e7e, 0x0c29,
+  0x4e7f, 0x278e,
+  0x4e82, 0x2059,
+  0x4e83, 0x2791,
+  0x4e86, 0x0a14,
+  0x4e87, 0x2794,
+  0x4e88, 0x10cd,
+  0x4e89, 0x119a,
+  0x4e8a, 0x2795,
+  0x4e8b, 0x0d59,
+  0x4e8c, 0x063d,
+  0x4e8d, 0x1257,
+  0x4e8e, 0x10bf,
+  0x4e8f, 0x0984,
+  0x4e90, 0x2796,
+  0x4e91, 0x1109,
+  0x4e92, 0x07ba,
+  0x4e93, 0x1277,
+  0x4e94, 0x0ef4,
+  0x4e95, 0x08dd,
+  0x4e96, 0x2797,
+  0x4e98, 0x125e,
+  0x4e99, 0x2799,
+  0x4e9a, 0x0ff0,
+  0x4e9b, 0x0f74,
+  0x4e9c, 0x279a,
+  0x4e9e, 0x21f1,
+  0x4e9f, 0x1273,
+  0x4ea0, 0x1303,
+  0x4ea1, 0x0ea7,
+  0x4ea2, 0x0947,
+  0x4ea3, 0x279c,
+  0x4ea4, 0x088c,
+  0x4ea5, 0x075c,
+  0x4ea6, 0x1067,
+  0x4ea7, 0x04c1,
+  0x4ea8, 0x0797,
+  0x4ea9, 0x0b19,
+  0x4eaa, 0x279d,
+  0x4eab, 0x0f5a,
+  0x4eac, 0x08d8,
+  0x4ead, 0x0e55,
+  0x4eae, 0x0a0a,
+  0x4eaf, 0x279e,
+  0x4eb2, 0x0c54,
+  0x4eb3, 0x1305,
+  0x4eb4, 0x27a1,
+  0x4eb5, 0x1308,
+  0x4eb6, 0x27a2,
+  0x4eba, 0x0ca6,
+  0x4ebb, 0x129f,
+  0x4ebc, 0x27a6,
+  0x4ebf, 0x1061,
+  0x4ec0, 0x0d49,
+  0x4ec1, 0x0ca5,
+  0x4ec2, 0x12a2,
+  0x4ec3, 0x12a0,
+  0x4ec4, 0x127c,
+  0x4ec5, 0x08c7,
+  0x4ec6, 0x0bec,
+  0x4ec7, 0x0515,
+  0x4ec8, 0x27a9,
+  0x4ec9, 0x12a1,
+  0x4eca, 0x08c2,
+  0x4ecb, 0x08ba,
+  0x4ecc, 0x27aa,
+  0x4ecd, 0x0caf,
+  0x4ece, 0x0556,
+  0x4ecf, 0x27ab,
+  0x4ed1, 0x0a7f,
+  0x4ed2, 0x27ad,
+  0x4ed3, 0x049d,
+  0x4ed4, 0x122d,
+  0x4ed5, 0x0d62,
+  0x4ed6, 0x0df0,
+  0x4ed7, 0x116d,
+  0x4ed8, 0x06b1,
+  0x4ed9, 0x0f36,
+  0x4eda, 0x27ae,
+  0x4edd, 0x12ee,
+  0x4ede, 0x12a6,
+  0x4edf, 0x0c27,
+  0x4ee0, 0x27b1,
+  0x4ee1, 0x12a4,
+  0x4ee2, 0x27b2,
+  0x4ee3, 0x057d,
+  0x4ee4, 0x0a37,
+  0x4ee5, 0x105b,
+  0x4ee6, 0x27b3,
+  0x4ee8, 0x12a3,
+  0x4ee9, 0x27b5,
+  0x4eea, 0x104e,
+  0x4eeb, 0x12a5,
+  0x4eec, 0x0acc,
+  0x4eed, 0x27b6,
+  0x4ef0, 0x101f,
+  0x4ef1, 0x27b9,
+  0x4ef2, 0x11d8,
+  0x4ef3, 0x12a8,
+  0x4ef4, 0x27ba,
+  0x4ef5, 0x12ab,
+  0x4ef6, 0x0871,
+  0x4ef7, 0x084e,
+  0x4ef8, 0x27bb,
+  0x4efb, 0x0ca9,
+  0x4efc, 0x27be,
+  0x4efd, 0x067a,
+  0x4efe, 0x27bf,
+  0x4eff, 0x065f,
+  0x4f00, 0x27c0,
+  0x4f01, 0x0c12,
+  0x4f02, 0x27c1,
+  0x4f09, 0x12ae,
+  0x4f0a, 0x1048,
+  0x4f0b, 0x27c8,
+  0x4f0d, 0x0ef8,
+  0x4f0e, 0x0832,
+  0x4f0f, 0x0699,
+  0x4f10, 0x0642,
+  0x4f11, 0x0fa8,
+  0x4f12, 0x27ca,
+  0x4f17, 0x11d9,
+  0x4f18, 0x10aa,
+  0x4f19, 0x0804,
+  0x4f1a, 0x07f6,
+  0x4f1b, 0x12a7,
+  0x4f1c, 0x27cf,
+  0x4f1e, 0x0cda,
+  0x4f1f, 0x0ebf,
+  0x4f20, 0x052e,
+  0x4f21, 0x27d1,
+  0x4f22, 0x12a9,
+  0x4f23, 0x27d2,
+  0x4f24, 0x0d04,
+  0x4f25, 0x12ac,
+  0x4f26, 0x0a7e,
+  0x4f27, 0x12ad,
+  0x4f28, 0x27d3,
+  0x4f2a, 0x0ec0,
+  0x4f2b, 0x12af,
+  0x4f2c, 0x27d5,
+  0x4f2f, 0x0475,
+  0x4f30, 0x0719,
+  0x4f31, 0x27d8,
+  0x4f32, 0x12b7,
+  0x4f33, 0x27d9,
+  0x4f34, 0x03f4,
+  0x4f35, 0x27da,
+  0x4f36, 0x0a2f,
+  0x4f37, 0x27db,
+  0x4f38, 0x0d25,
+  0x4f39, 0x27dc,
+  0x4f3a, 0x0dba,
+  0x4f3b, 0x27dd,
+  0x4f3c, 0x0dbb,
+  0x4f3d, 0x12b8,
+  0x4f3e, 0x27de,
+  0x4f43, 0x05c9,
+  0x4f44, 0x27e3,
+  0x4f46, 0x058c,
+  0x4f47, 0x27e5,
+  0x4f4d, 0x0eca,
+  0x4f4e, 0x05ae,
+  0x4f4f, 0x11fe,
+  0x4f50, 0x1251,
+  0x4f51, 0x10b8,
+  0x4f52, 0x27eb,
+  0x4f53, 0x0e38,
+  0x4f54, 0x27ec,
+  0x4f55, 0x0785,
+  0x4f56, 0x27ed,
+  0x4f57, 0x12b6,
+  0x4f58, 0x12f0,
+  0x4f59, 0x10c5,
+  0x4f5a, 0x12b3,
+  0x4f5b, 0x068d,
+  0x4f5c, 0x1254,
+  0x4f5d, 0x12b4,
+  0x4f5e, 0x12b0,
+  0x4f5f, 0x12b5,
+  0x4f60, 0x0b46,
+  0x4f61, 0x27ee,
+  0x4f63, 0x109b,
+  0x4f64, 0x12aa,
+  0x4f65, 0x12f1,
+  0x4f66, 0x27f0,
+  0x4f67, 0x12b1,
+  0x4f68, 0x27f1,
+  0x4f69, 0x0ba6,
+  0x4f6a, 0x27f2,
+  0x4f6c, 0x09bb,
+  0x4f6d, 0x27f4,
+  0x4f6f, 0x1019,
+  0x4f70, 0x03e6,
+  0x4f71, 0x27f6,
+  0x4f73, 0x0844,
+  0x4f74, 0x12ba,
+  0x4f75, 0x27f8,
+  0x4f76, 0x12b9,
+  0x4f77, 0x27f9,
+  0x4f7b, 0x12c0,
+  0x4f7c, 0x12c2,
+  0x4f7d, 0x27fd,
+  0x4f7e, 0x12bf,
+  0x4f7f, 0x0d50,
+  0x4f80, 0x27fe,
+  0x4f83, 0x12bd,
+  0x4f84, 0x11b5,
+  0x4f85, 0x2801,
+  0x4f86, 0x1ff2,
+  0x4f87, 0x2802,
+  0x4f88, 0x0503,
+  0x4f89, 0x12bc,
+  0x4f8a, 0x2803,
+  0x4f8b, 0x09e8,
+  0x4f8c, 0x2804,
+  0x4f8d, 0x0d63,
+  0x4f8e, 0x2805,
+  0x4f8f, 0x12be,
+  0x4f90, 0x2806,
+  0x4f91, 0x12bb,
+  0x4f92, 0x2807,
+  0x4f94, 0x12c4,
+  0x4f95, 0x2809,
+  0x4f96, 0x205d,
+  0x4f97, 0x05f0,
+  0x4f98, 0x280a,
+  0x4f9b, 0x0702,
+  0x4f9c, 0x280d,
+  0x4f9d, 0x1047,
+  0x4f9e, 0x280e,
+  0x4fa0, 0x0f2d,
+  0x4fa1, 0x2810,
+  0x4fa3, 0x0a69,
+  0x4fa4, 0x2812,
+  0x4fa5, 0x0895,
+  0x4fa6, 0x118d,
+  0x4fa7, 0x04a7,
+  0x4fa8, 0x0c45,
+  0x4fa9, 0x0978,
+  0x4faa, 0x12c1,
+  0x4fab, 0x2813,
+  0x4fac, 0x12c3,
+  0x4fad, 0x2814,
+  0x4fae, 0x0ef9,
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+  0x80a9, 0x085a,
+  0x80aa, 0x065b,
+  0x80ab, 0x1976,
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+  0x80ad, 0x1977,
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+  0x80af, 0x095c,
+  0x80b0, 0x44b2,
+  0x80b1, 0x1975,
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+  0x80b3, 0x44b3,
+  0x80b4, 0x1978,
+  0x80b5, 0x44b4,
+  0x80b7, 0x1979,
+  0x80b8, 0x44b6,
+  0x80ba, 0x066b,
+  0x80bb, 0x44b8,
+  0x80bc, 0x1972,
+  0x80bd, 0x1974,
+  0x80be, 0x0d2f,
+  0x80bf, 0x11d6,
+  0x80c0, 0x116e,
+  0x80c1, 0x0f7d,
+  0x80c2, 0x197f,
+  0x80c3, 0x0ec7,
+  0x80c4, 0x1980,
+  0x80c5, 0x44b9,
+  0x80c6, 0x0589,
+  0x80c7, 0x44ba,
+  0x80cc, 0x041c,
+  0x80cd, 0x1982,
+  0x80ce, 0x0df8,
+  0x80cf, 0x44bf,
+  0x80d6, 0x0b97,
+  0x80d7, 0x1983,
+  0x80d8, 0x44c6,
+  0x80d9, 0x1981,
+  0x80da, 0x0ba0,
+  0x80db, 0x197e,
+  0x80dc, 0x0d3b,
+  0x80dd, 0x1985,
+  0x80de, 0x0406,
+  0x80df, 0x44c7,
+  0x80e1, 0x07b1,
+  0x80e2, 0x44c9,
+  0x80e4, 0x126d,
+  0x80e5, 0x1bc7,
+  0x80e6, 0x44cb,
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+  0x9f4c, 0x55db,
+  0x9f4f, 0x24d3,
+  0x9f50, 0x0c0a,
+  0x9f51, 0x19c2,
+  0x9f52, 0x1e86,
+  0x9f53, 0x55de,
+  0x9f54, 0x260f,
+  0x9f55, 0x55df,
+  0x9f59, 0x2611,
+  0x9f5a, 0x55e3,
+  0x9f5c, 0x2613,
+  0x9f5d, 0x55e5,
+  0x9f5f, 0x2610,
+  0x9f60, 0x2612,
+  0x9f61, 0x2030,
+  0x9f62, 0x55e7,
+  0x9f63, 0x2671,
+  0x9f64, 0x55e8,
+  0x9f66, 0x2614,
+  0x9f67, 0x55ea,
+  0x9f6a, 0x2616,
+  0x9f6b, 0x55ed,
+  0x9f6c, 0x2615,
+  0x9f6d, 0x55ee,
+  0x9f72, 0x20f2,
+  0x9f73, 0x55f3,
+  0x9f77, 0x2617,
+  0x9f78, 0x55f7,
+  0x9f7f, 0x0502,
+  0x9f80, 0x1d6d,
+  0x9f81, 0x55fe,
+  0x9f83, 0x1d6e,
+  0x9f84, 0x0a2d,
+  0x9f85, 0x1d6f,
+  0x9f8b, 0x0c7e,
+  0x9f8c, 0x1d75,
+  0x9f8d, 0x2037,
+  0x9f8e, 0x5600,
+  0x9f90, 0x20b3,
+  0x9f91, 0x5602,
+  0x9f94, 0x1f22,
+  0x9f95, 0x24ed,
+  0x9f96, 0x5605,
+  0x9f99, 0x0a43,
+  0x9f9a, 0x0701,
+  0x9f9b, 0x1a54,
+  0x9f9c, 0x1f34,
+  0x9f9d, 0x5608,
+  0x9f9f, 0x0743,
+  0x9fa0, 0x12f3,
+  0x9fa1, 0x560a,
+  0xe7e7, 0x274b,
+  0xe815, 0x561f,
+  0xf92c, 0x560f,
+  0xfa0d, 0x5610,
+  0xfa11, 0x5613,
+  0xfa13, 0x5614,
+  0xfa18, 0x5616,
+  0xfa1f, 0x5617,
+  0xfa23, 0x561a,
+  0xfa27, 0x561c,
+  0xfe30, 0x271d,
+  0xfe49, 0x272b,
+  0xfe54, 0x2735,
+  0xfe59, 0x2739,
+  0xfe68, 0x2747,
+  0xff01, 0x0106,
+  0xff04, 0x00a6,
+  0xff05, 0x010a,
+  0xff5e, 0x006a,
+  0xffe0, 0x00a8,
+  0xffe2, 0x271e,
+  0xffe3, 0x0163,
+  0xffe4, 0x271f,
+  0xffe5, 0x0109,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12UniGBUCS2HEnc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12UniGBUCS2HMap2, 13461
+};
+
+static Gushort gb12UniGBUCS2VMap2[26970] = {
+  0x0000, 0x0000,
+  0x0020, 0x0001,
+  0x00a4, 0x00a7,
+  0x00a7, 0x00ab,
+  0x00a8, 0x0066,
+  0x00b0, 0x00a2,
+  0x00b1, 0x007f,
+  0x00d7, 0x0080,
+  0x00e0, 0x029f,
+  0x00e1, 0x029d,
+  0x00e8, 0x02a3,
+  0x00e9, 0x02a1,
+  0x00ea, 0x02b5,
+  0x00ec, 0x02a7,
+  0x00ed, 0x02a5,
+  0x00f2, 0x02ab,
+  0x00f3, 0x02a9,
+  0x00f7, 0x0081,
+  0x00f9, 0x02af,
+  0x00fa, 0x02ad,
+  0x00fc, 0x02b4,
+  0x0101, 0x029c,
+  0x0113, 0x02a0,
+  0x011b, 0x02a2,
+  0x012b, 0x02a4,
+  0x014d, 0x02a8,
+  0x016b, 0x02ac,
+  0x01ce, 0x029e,
+  0x01d0, 0x02a6,
+  0x01d2, 0x02aa,
+  0x01d4, 0x02ae,
+  0x01d6, 0x02b0,
+  0x01d8, 0x02b1,
+  0x01da, 0x02b2,
+  0x01dc, 0x02b3,
+  0x02c7, 0x0065,
+  0x02c9, 0x0064,
+  0x02ca, 0x26b3,
+  0x02d9, 0x26b5,
+  0x0391, 0x020d,
+  0x03a3, 0x021e,
+  0x03b1, 0x0225,
+  0x03c3, 0x0236,
+  0x0401, 0x0260,
+  0x0410, 0x025a,
+  0x0416, 0x0261,
+  0x0436, 0x0282,
+  0x0451, 0x0281,
+  0x1e3f, 0x02b7,
+  0x2010, 0x2722,
+  0x2013, 0x26b6,
+  0x2014, 0x0069,
+  0x2015, 0x26b7,
+  0x2016, 0x006b,
+  0x2018, 0x006d,
+  0x201c, 0x006f,
+  0x2025, 0x26b8,
+  0x2026, 0x006c,
+  0x2030, 0x00aa,
+  0x2032, 0x00a3,
+  0x2035, 0x26b9,
+  0x203b, 0x00b8,
+  0x2103, 0x00a5,
+  0x2105, 0x26ba,
+  0x2109, 0x26bb,
+  0x2116, 0x00ac,
+  0x2121, 0x2720,
+  0x2160, 0x00fa,
+  0x2170, 0x26a9,
+  0x2190, 0x00ba,
+  0x2192, 0x00b9,
+  0x2193, 0x00bc,
+  0x2196, 0x26bc,
+  0x2208, 0x0089,
+  0x220f, 0x0086,
+  0x2211, 0x0085,
+  0x2215, 0x26c0,
+  0x221a, 0x008b,
+  0x221d, 0x0097,
+  0x221e, 0x009d,
+  0x221f, 0x26c1,
+  0x2220, 0x008e,
+  0x2223, 0x26c2,
+  0x2225, 0x008d,
+  0x2227, 0x0083,
+  0x2229, 0x0088,
+  0x222a, 0x0087,
+  0x222b, 0x0091,
+  0x222e, 0x0092,
+  0x2234, 0x009f,
+  0x2235, 0x009e,
+  0x2236, 0x0082,
+  0x2237, 0x008a,
+  0x223d, 0x0096,
+  0x2248, 0x0095,
+  0x224c, 0x0094,
+  0x2252, 0x26c3,
+  0x2260, 0x0098,
+  0x2261, 0x0093,
+  0x2264, 0x009b,
+  0x2266, 0x26c4,
+  0x226e, 0x0099,
+  0x2295, 0x2704,
+  0x2299, 0x0090,
+  0x22a5, 0x008c,
+  0x22bf, 0x26c6,
+  0x22ef, 0x006c,
+  0x2312, 0x008f,
+  0x2460, 0x00e6,
+  0x2474, 0x00d2,
+  0x2488, 0x00be,
+  0x2500, 0x02e2,
+  0x2550, 0x26c7,
+  0x2581, 0x26eb,
+  0x2593, 0x26fa,
+  0x25a0, 0x00b5,
+  0x25a1, 0x00b4,
+  0x25b2, 0x00b7,
+  0x25b3, 0x00b6,
+  0x25bc, 0x26fd,
+  0x25c6, 0x00b3,
+  0x25c7, 0x00b2,
+  0x25cb, 0x00af,
+  0x25ce, 0x00b1,
+  0x25cf, 0x00b0,
+  0x25e2, 0x26ff,
+  0x2605, 0x00ae,
+  0x2606, 0x00ad,
+  0x2609, 0x2703,
+  0x2640, 0x00a1,
+  0x2642, 0x00a0,
+  0x3000, 0x0060,
+  0x3003, 0x0067,
+  0x3005, 0x0068,
+  0x3006, 0x2728,
+  0x3007, 0x1e17,
+  0x3008, 0x0073,
+  0x3010, 0x007d,
+  0x3012, 0x2705,
+  0x3013, 0x00bd,
+  0x3014, 0x0071,
+  0x3016, 0x007b,
+  0x301d, 0x2706,
+  0x3021, 0x2708,
+  0x3041, 0x0164,
+  0x309b, 0x2724,
+  0x309d, 0x2729,
+  0x30a1, 0x01b7,
+  0x30fb, 0x0063,
+  0x30fc, 0x2723,
+  0x30fd, 0x2726,
+  0x3105, 0x02bc,
+  0x3220, 0x00f0,
+  0x3231, 0x2721,
+  0x32a3, 0x2711,
+  0x338e, 0x2712,
+  0x339c, 0x2714,
+  0x33a1, 0x2717,
+  0x33c4, 0x2718,
+  0x33ce, 0x2719,
+  0x33d1, 0x271a,
+  0x33d5, 0x271c,
+  0x4e00, 0x1042,
+  0x4e01, 0x05e0,
+  0x4e02, 0x2758,
+  0x4e03, 0x0bfe,
+  0x4e04, 0x2759,
+  0x4e07, 0x0ea3,
+  0x4e08, 0x116a,
+  0x4e09, 0x0cd8,
+  0x4e0a, 0x0d08,
+  0x4e0b, 0x0f2f,
+  0x4e0c, 0x1258,
+  0x4e0d, 0x0482,
+  0x4e0e, 0x10d0,
+  0x4e0f, 0x275c,
+  0x4e10, 0x125a,
+  0x4e11, 0x0518,
+  0x4e12, 0x275d,
+  0x4e13, 0x1205,
+  0x4e14, 0x0c4f,
+  0x4e15, 0x125d,
+  0x4e16, 0x0d57,
+  0x4e17, 0x275e,
+  0x4e18, 0x0c6d,
+  0x4e19, 0x0464,
+  0x4e1a, 0x103c,
+  0x4e1b, 0x0557,
+  0x4e1c, 0x05ea,
+  0x4e1d, 0x0db4,
+  0x4e1e, 0x125f,
+  0x4e1f, 0x275f,
+  0x4e22, 0x05e9,
+  0x4e23, 0x2762,
+  0x4e24, 0x0a06,
+  0x4e25, 0x0ff8,
+  0x4e26, 0x2763,
+  0x4e27, 0x0cde,
+  0x4e28, 0x1263,
+  0x4e29, 0x2764,
+  0x4e2a, 0x06f1,
+  0x4e2b, 0x0fe7,
+  0x4e2c, 0x169c,
+  0x4e2d, 0x11cf,
+  0x4e2e, 0x2765,
+  0x4e30, 0x067e,
+  0x4e31, 0x2767,
+  0x4e32, 0x0531,
+  0x4e33, 0x2768,
+  0x4e34, 0x0a22,
+  0x4e35, 0x2769,
+  0x4e36, 0x1272,
+  0x4e37, 0x276a,
+  0x4e38, 0x0e99,
+  0x4e39, 0x0585,
+  0x4e3a, 0x0eb9,
+  0x4e3b, 0x11f6,
+  0x4e3c, 0x276b,
+  0x4e3d, 0x09e1,
+  0x4e3e, 0x0908,
+  0x4e3f, 0x1265,
+  0x4e40, 0x276c,
+  0x4e43, 0x0b2e,
+  0x4e44, 0x276f,
+  0x4e45, 0x08f2,
+  0x4e46, 0x2770,
+  0x4e47, 0x1267,
+  0x4e48, 0x0ab9,
+  0x4e49, 0x106c,
+  0x4e4a, 0x2771,
+  0x4e4b, 0x11ad,
+  0x4e4c, 0x0ee9,
+  0x4e4d, 0x1148,
+  0x4e4e, 0x07ac,
+  0x4e4f, 0x0643,
+  0x4e50, 0x09c1,
+  0x4e51, 0x2772,
+  0x4e52, 0x0bd8,
+  0x4e53, 0x0b93,
+  0x4e54, 0x0c44,
+  0x4e55, 0x2773,
+  0x4e56, 0x072d,
+  0x4e57, 0x2774,
+  0x4e58, 0x04f0,
+  0x4e59, 0x1059,
+  0x4e5a, 0x2775,
+  0x4e5c, 0x1275,
+  0x4e5d, 0x08f4,
+  0x4e5e, 0x0c11,
+  0x4e5f, 0x1039,
+  0x4e60, 0x0f1d,
+  0x4e61, 0x0f54,
+  0x4e62, 0x2777,
+  0x4e66, 0x0d80,
+  0x4e67, 0x277b,
+  0x4e69, 0x1276,
+  0x4e6a, 0x277d,
+  0x4e70, 0x0a99,
+  0x4e71, 0x0a79,
+  0x4e72, 0x2783,
+  0x4e73, 0x0cc4,
+  0x4e74, 0x2784,
+  0x4e7e, 0x0c29,
+  0x4e7f, 0x278e,
+  0x4e82, 0x2059,
+  0x4e83, 0x2791,
+  0x4e86, 0x0a14,
+  0x4e87, 0x2794,
+  0x4e88, 0x10cd,
+  0x4e89, 0x119a,
+  0x4e8a, 0x2795,
+  0x4e8b, 0x0d59,
+  0x4e8c, 0x063d,
+  0x4e8d, 0x1257,
+  0x4e8e, 0x10bf,
+  0x4e8f, 0x0984,
+  0x4e90, 0x2796,
+  0x4e91, 0x1109,
+  0x4e92, 0x07ba,
+  0x4e93, 0x1277,
+  0x4e94, 0x0ef4,
+  0x4e95, 0x08dd,
+  0x4e96, 0x2797,
+  0x4e98, 0x125e,
+  0x4e99, 0x2799,
+  0x4e9a, 0x0ff0,
+  0x4e9b, 0x0f74,
+  0x4e9c, 0x279a,
+  0x4e9e, 0x21f1,
+  0x4e9f, 0x1273,
+  0x4ea0, 0x1303,
+  0x4ea1, 0x0ea7,
+  0x4ea2, 0x0947,
+  0x4ea3, 0x279c,
+  0x4ea4, 0x088c,
+  0x4ea5, 0x075c,
+  0x4ea6, 0x1067,
+  0x4ea7, 0x04c1,
+  0x4ea8, 0x0797,
+  0x4ea9, 0x0b19,
+  0x4eaa, 0x279d,
+  0x4eab, 0x0f5a,
+  0x4eac, 0x08d8,
+  0x4ead, 0x0e55,
+  0x4eae, 0x0a0a,
+  0x4eaf, 0x279e,
+  0x4eb2, 0x0c54,
+  0x4eb3, 0x1305,
+  0x4eb4, 0x27a1,
+  0x4eb5, 0x1308,
+  0x4eb6, 0x27a2,
+  0x4eba, 0x0ca6,
+  0x4ebb, 0x129f,
+  0x4ebc, 0x27a6,
+  0x4ebf, 0x1061,
+  0x4ec0, 0x0d49,
+  0x4ec1, 0x0ca5,
+  0x4ec2, 0x12a2,
+  0x4ec3, 0x12a0,
+  0x4ec4, 0x127c,
+  0x4ec5, 0x08c7,
+  0x4ec6, 0x0bec,
+  0x4ec7, 0x0515,
+  0x4ec8, 0x27a9,
+  0x4ec9, 0x12a1,
+  0x4eca, 0x08c2,
+  0x4ecb, 0x08ba,
+  0x4ecc, 0x27aa,
+  0x4ecd, 0x0caf,
+  0x4ece, 0x0556,
+  0x4ecf, 0x27ab,
+  0x4ed1, 0x0a7f,
+  0x4ed2, 0x27ad,
+  0x4ed3, 0x049d,
+  0x4ed4, 0x122d,
+  0x4ed5, 0x0d62,
+  0x4ed6, 0x0df0,
+  0x4ed7, 0x116d,
+  0x4ed8, 0x06b1,
+  0x4ed9, 0x0f36,
+  0x4eda, 0x27ae,
+  0x4edd, 0x12ee,
+  0x4ede, 0x12a6,
+  0x4edf, 0x0c27,
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+  0x9e36, 0x1b3e,
+  0x9e37, 0x1b40,
+  0x9e38, 0x1b3f,
+  0x9e39, 0x1b41,
+  0x9e3b, 0x553e,
+  0x9e3d, 0x06e6,
+  0x9e3e, 0x1b43,
+  0x9e3f, 0x079f,
+  0x9e40, 0x5540,
+  0x9e41, 0x1b44,
+  0x9e43, 0x0918,
+  0x9e44, 0x1b46,
+  0x9e45, 0x062b,
+  0x9e46, 0x1b47,
+  0x9e4a, 0x0c90,
+  0x9e4b, 0x1b4b,
+  0x9e4d, 0x5541,
+  0x9e4e, 0x1b4d,
+  0x9e4f, 0x0bb5,
+  0x9e50, 0x5542,
+  0x9e51, 0x1b4e,
+  0x9e52, 0x5543,
+  0x9e55, 0x1b4f,
+  0x9e56, 0x5546,
+  0x9e57, 0x1b50,
+  0x9e58, 0x1dd5,
+  0x9e59, 0x5547,
+  0x9e5a, 0x1b51,
+  0x9e5d, 0x5548,
+  0x9e5e, 0x1b54,
+  0x9e5f, 0x5549,
+  0x9e63, 0x1b55,
+  0x9e64, 0x078e,
+  0x9e65, 0x554d,
+  0x9e66, 0x1b56,
+  0x9e6d, 0x1b5e,
+  0x9e6e, 0x554e,
+  0x9e70, 0x108a,
+  0x9e71, 0x1b5d,
+  0x9e72, 0x5550,
+  0x9e73, 0x1b5f,
+  0x9e74, 0x5551,
+  0x9e75, 0x2688,
+  0x9e76, 0x5552,
+  0x9e79, 0x269e,
+  0x9e7a, 0x25fb,
+  0x9e7b, 0x5555,
+  0x9e7c, 0x1f8c,
+  0x9e7d, 0x21f4,
+  0x9e7e, 0x1d16,
+  0x9e7f, 0x0a60,
+  0x9e80, 0x5556,
+  0x9e82, 0x1dfc,
+  0x9e83, 0x5558,
+  0x9e87, 0x1dfd,
+  0x9e89, 0x555c,
+  0x9e8b, 0x1dff,
+  0x9e8c, 0x555e,
+  0x9e92, 0x1e00,
+  0x9e93, 0x0a5b,
+  0x9e94, 0x5564,
+  0x9e97, 0x200f,
+  0x9e98, 0x5567,
+  0x9e9d, 0x1e02,
+  0x9e9e, 0x556c,
+  0x9e9f, 0x1e03,
+  0x9ea0, 0x556d,
+  0x9ea5, 0x2071,
+  0x9ea6, 0x0a9a,
+  0x9ea7, 0x5572,
+  0x9ea9, 0x25f7,
+  0x9eaa, 0x5574,
+  0x9eaf, 0x2696,
+  0x9eb0, 0x5579,
+  0x9eb4, 0x1cee,
+  0x9eb5, 0x268f,
+  0x9eb6, 0x557d,
+  0x9eb8, 0x1ced,
+  0x9eb9, 0x557f,
+  0x9ebb, 0x0a90,
+  0x9ebc, 0x5581,
+  0x9ebd, 0x1df9,
+  0x9ebf, 0x5582,
+  0x9ec4, 0x07db,
+  0x9ec5, 0x5587,
+  0x9ec9, 0x12f8,
+  0x9eca, 0x558b,
+  0x9ecc, 0x22da,
+  0x9ecd, 0x0d89,
+  0x9ece, 0x09d3,
+  0x9ecf, 0x1b2a,
+  0x9ed0, 0x558d,
+  0x9ed1, 0x0791,
+  0x9ed2, 0x558e,
+  0x9ed4, 0x0c2a,
+  0x9ed5, 0x5590,
+  0x9ed8, 0x0b0f,
+  0x9ed9, 0x5593,
+  0x9edb, 0x1e04,
+  0x9ede, 0x1ec1,
+  0x9edf, 0x1e08,
+  0x9ee0, 0x1e07,
+  0x9ee1, 0x5595,
+  0x9ee2, 0x1e09,
+  0x9ee3, 0x5596,
+  0x9ee5, 0x1e0c,
+  0x9ee6, 0x5598,
+  0x9ee7, 0x1e0b,
+  0x9ee8, 0x1eb3,
+  0x9ee9, 0x1e0a,
+  0x9eea, 0x1e0d,
+  0x9eeb, 0x5599,
+  0x9eef, 0x1e0e,
+  0x9ef0, 0x559d,
+  0x9ef2, 0x266a,
+  0x9ef3, 0x559f,
+  0x9ef4, 0x268a,
+  0x9ef5, 0x55a0,
+  0x9ef7, 0x2669,
+  0x9ef8, 0x55a2,
+  0x9ef9, 0x1a55,
+  0x9efa, 0x55a3,
+  0x9efb, 0x1a56,
+  0x9efd, 0x2618,
+  0x9efe, 0x1d76,
+  0x9eff, 0x2619,
+  0x9f00, 0x55a4,
+  0x9f09, 0x261a,
+  0x9f0a, 0x55ad,
+  0x9f0b, 0x1d77,
+  0x9f0c, 0x55ae,
+  0x9f0d, 0x1d78,
+  0x9f0e, 0x05e5,
+  0x9f0f, 0x55af,
+  0x9f10, 0x1274,
+  0x9f11, 0x55b0,
+  0x9f13, 0x071d,
+  0x9f14, 0x55b2,
+  0x9f15, 0x2673,
+  0x9f16, 0x55b3,
+  0x9f17, 0x1271,
+  0x9f18, 0x55b4,
+  0x9f19, 0x13df,
+  0x9f1a, 0x55b5,
+  0x9f20, 0x0d8a,
+  0x9f21, 0x55bb,
+  0x9f22, 0x1e0f,
+  0x9f23, 0x55bc,
+  0x9f2c, 0x1e10,
+  0x9f2d, 0x55c5,
+  0x9f2f, 0x1e11,
+  0x9f30, 0x55c7,
+  0x9f37, 0x1e13,
+  0x9f38, 0x55ce,
+  0x9f39, 0x1e12,
+  0x9f3a, 0x55cf,
+  0x9f3b, 0x0430,
+  0x9f3c, 0x55d0,
+  0x9f3d, 0x1e14,
+  0x9f3f, 0x55d1,
+  0x9f44, 0x1e16,
+  0x9f45, 0x55d6,
+  0x9f4a, 0x20c6,
+  0x9f4b, 0x226b,
+  0x9f4c, 0x55db,
+  0x9f4f, 0x24d3,
+  0x9f50, 0x0c0a,
+  0x9f51, 0x19c2,
+  0x9f52, 0x1e86,
+  0x9f53, 0x55de,
+  0x9f54, 0x260f,
+  0x9f55, 0x55df,
+  0x9f59, 0x2611,
+  0x9f5a, 0x55e3,
+  0x9f5c, 0x2613,
+  0x9f5d, 0x55e5,
+  0x9f5f, 0x2610,
+  0x9f60, 0x2612,
+  0x9f61, 0x2030,
+  0x9f62, 0x55e7,
+  0x9f63, 0x2671,
+  0x9f64, 0x55e8,
+  0x9f66, 0x2614,
+  0x9f67, 0x55ea,
+  0x9f6a, 0x2616,
+  0x9f6b, 0x55ed,
+  0x9f6c, 0x2615,
+  0x9f6d, 0x55ee,
+  0x9f72, 0x20f2,
+  0x9f73, 0x55f3,
+  0x9f77, 0x2617,
+  0x9f78, 0x55f7,
+  0x9f7f, 0x0502,
+  0x9f80, 0x1d6d,
+  0x9f81, 0x55fe,
+  0x9f83, 0x1d6e,
+  0x9f84, 0x0a2d,
+  0x9f85, 0x1d6f,
+  0x9f8b, 0x0c7e,
+  0x9f8c, 0x1d75,
+  0x9f8d, 0x2037,
+  0x9f8e, 0x5600,
+  0x9f90, 0x20b3,
+  0x9f91, 0x5602,
+  0x9f94, 0x1f22,
+  0x9f95, 0x24ed,
+  0x9f96, 0x5605,
+  0x9f99, 0x0a43,
+  0x9f9a, 0x0701,
+  0x9f9b, 0x1a54,
+  0x9f9c, 0x1f34,
+  0x9f9d, 0x5608,
+  0x9f9f, 0x0743,
+  0x9fa0, 0x12f3,
+  0x9fa1, 0x560a,
+  0xe7e7, 0x274b,
+  0xe815, 0x561f,
+  0xf92c, 0x560f,
+  0xfa0d, 0x5610,
+  0xfa11, 0x5613,
+  0xfa13, 0x5614,
+  0xfa18, 0x5616,
+  0xfa1f, 0x5617,
+  0xfa23, 0x561a,
+  0xfa27, 0x561c,
+  0xfe30, 0x271d,
+  0xfe49, 0x272b,
+  0xfe54, 0x2735,
+  0xfe59, 0x2739,
+  0xfe68, 0x2747,
+  0xff01, 0x0106,
+  0xff04, 0x00a6,
+  0xff05, 0x010a,
+  0xff5e, 0x006a,
+  0xffe0, 0x00a8,
+  0xffe2, 0x271e,
+  0xffe3, 0x0163,
+  0xffe4, 0x271f,
+  0xffe5, 0x0109,
+  0x2014, 0x0256,
+  0x2026, 0x0257,
+  0x2225, 0x1e1c,
+  0x3001, 0x023f,
+  0x3002, 0x023e,
+  0x3008, 0x0248,
+  0x3010, 0x0252,
+  0x3013, 0x1e1a,
+  0x3014, 0x0246,
+  0x3016, 0x0250,
+  0xff01, 0x0242,
+  0xff08, 0x0244,
+  0xff0c, 0x023d,
+  0xff0e, 0x1e1b,
+  0xff1a, 0x0240,
+  0xff1d, 0x1e1c,
+  0xff1f, 0x0243,
+  0xff3b, 0x1e1d,
+  0xff3d, 0x1e1e,
+  0xff3f, 0x0258,
+  0xff5b, 0x0254,
+  0xff5d, 0x0255,
+  0xff5e, 0x1e18,
+  0xffe3, 0x1e1f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12UniGBUCS2VEnc16 = {
+  1,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12UniGBUCS2VMap2, 13485
+};
+
+static Gushort gb12AdobeGB12VMap2[178] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0x2300, 0x2300,
+  0x2400, 0x2400,
+  0x2500, 0x2500,
+  0x2600, 0x2600,
+  0x2700, 0x2700,
+  0x2800, 0x2800,
+  0x2900, 0x2900,
+  0x2a00, 0x2a00,
+  0x2b00, 0x2b00,
+  0x2c00, 0x2c00,
+  0x2d00, 0x2d00,
+  0x2e00, 0x2e00,
+  0x2f00, 0x2f00,
+  0x3000, 0x3000,
+  0x3100, 0x3100,
+  0x3200, 0x3200,
+  0x3300, 0x3300,
+  0x3400, 0x3400,
+  0x3500, 0x3500,
+  0x3600, 0x3600,
+  0x3700, 0x3700,
+  0x3800, 0x3800,
+  0x3900, 0x3900,
+  0x3a00, 0x3a00,
+  0x3b00, 0x3b00,
+  0x3c00, 0x3c00,
+  0x3d00, 0x3d00,
+  0x3e00, 0x3e00,
+  0x3f00, 0x3f00,
+  0x4000, 0x4000,
+  0x4100, 0x4100,
+  0x4200, 0x4200,
+  0x4300, 0x4300,
+  0x4400, 0x4400,
+  0x4500, 0x4500,
+  0x4600, 0x4600,
+  0x4700, 0x4700,
+  0x4800, 0x4800,
+  0x4900, 0x4900,
+  0x4a00, 0x4a00,
+  0x4b00, 0x4b00,
+  0x4c00, 0x4c00,
+  0x4d00, 0x4d00,
+  0x4e00, 0x4e00,
+  0x4f00, 0x4f00,
+  0x5000, 0x5000,
+  0x5100, 0x5100,
+  0x5200, 0x5200,
+  0x5300, 0x5300,
+  0x5400, 0x5400,
+  0x5500, 0x5500,
+  0x5600, 0x5600,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 gb12AdobeGB12VEnc16 = {
+  1,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  gb12AdobeGB12VMap2, 89
+};
+
+static struct {
+  char *name;
+  GfxFontEncoding16 *enc;
+} gfxGB12Tab[] = {
+  { "Adobe-GB1-0",                      &gb12AdobeGB10Enc16 },
+  { "Adobe-GB1-1",                      &gb12AdobeGB11Enc16 },
+  { "Adobe-GB1-2",                      &gb12AdobeGB12Enc16 },
+  { "GB-EUC-H",                         &gb12GBEUCHEnc16 },
+  { "GB-EUC-V",                         &gb12GBEUCVEnc16 },
+  { "GB-H",                             &gb12GBHEnc16 },
+  { "GB-V",                             &gb12GBVEnc16 },
+  { "GBK-EUC-H",                        &gb12GBKEUCHEnc16 },
+  { "GBK-EUC-V",                        &gb12GBKEUCVEnc16 },
+  { "GBT-EUC-H",                        &gb12GBTEUCHEnc16 },
+  { "GBT-EUC-V",                        &gb12GBTEUCVEnc16 },
+  { "GBT-H",                            &gb12GBTHEnc16 },
+  { "GBT-V",                            &gb12GBTVEnc16 },
+  { "GBTpc-EUC-H",                      &gb12GBTpcEUCHEnc16 },
+  { "GBTpc-EUC-V",                      &gb12GBTpcEUCVEnc16 },
+  { "GBpc-EUC-H",                       &gb12GBpcEUCHEnc16 },
+  { "GBpc-EUC-V",                       &gb12GBpcEUCVEnc16 },
+  { "UniGB-UCS2-H",                     &gb12UniGBUCS2HEnc16 },
+  { "UniGB-UCS2-V",                     &gb12UniGBUCS2VEnc16 },
+  { "Identity-H",                       &gb12AdobeGB12Enc16 },
+  { "Identity-V",                       &gb12AdobeGB12VEnc16 },
+  { NULL,                               NULL }
+};
+
+#endif
diff --git a/pdftops/GString.cxx b/pdftops/GString.cxx
new file mode 100644
index 000000000..7b8f27184
--- /dev/null
+++ b/pdftops/GString.cxx
@@ -0,0 +1,223 @@
+//========================================================================
+//
+// GString.cc
+//
+// Simple variable-length string type.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <ctype.h>
+#include "gtypes.h"
+#include "GString.h"
+
+static inline int size(int len) {
+  int delta;
+
+  delta = len < 256 ? 7 : 255;
+  return ((len + 1) + delta) & ~delta;
+}
+
+inline void GString::resize(int length1) {
+  char *s1;
+
+  if (!s) {
+    s = new char[size(length1)];
+  } else if (size(length1) != size(length)) {
+    s1 = new char[size(length1)];
+    memcpy(s1, s, length + 1);
+    delete[] s;
+    s = s1;
+  }
+}
+
+GString::GString() {
+  s = NULL;
+  resize(length = 0);
+  s[0] = '\0';
+}
+
+GString::GString(const char *s1) {
+  int n = strlen(s1);
+
+  s = NULL;
+  resize(length = n);
+  memcpy(s, s1, n + 1);
+}
+
+GString::GString(const char *s1, int length1) {
+  s = NULL;
+  resize(length = length1);
+  memcpy(s, s1, length * sizeof(char));
+  s[length] = '\0';
+}
+
+GString::GString(GString *str) {
+  s = NULL;
+  resize(length = str->getLength());
+  memcpy(s, str->getCString(), length + 1);
+}
+
+GString::GString(GString *str1, GString *str2) {
+  int n1 = str1->getLength();
+  int n2 = str2->getLength();
+
+  s = NULL;
+  resize(length = n1 + n2);
+  memcpy(s, str1->getCString(), n1);
+  memcpy(s + n1, str2->getCString(), n2 + 1);
+}
+
+GString *GString::fromInt(int x) {
+  char buf[24]; // enough space for 64-bit ints plus a little extra
+  GBool neg;
+  Guint y;
+  int i;
+
+  i = 24;
+  if (x == 0) {
+    buf[--i] = '0';
+  } else {
+    if ((neg = x < 0)) {
+      y = (Guint)-x;
+    } else {
+      y = (Guint)x;
+    }
+    while (i > 0 && y > 0) {
+      buf[--i] = '0' + y % 10;
+      y /= 10;
+    }
+    if (neg && i > 0) {
+      buf[--i] = '-';
+    }
+  }
+  return new GString(buf + i, 24 - i);
+}
+
+GString::~GString() {
+  delete[] s;
+}
+
+GString *GString::clear() {
+  s[length = 0] = '\0';
+  resize(0);
+  return this;
+}
+
+GString *GString::append(char c) {
+  resize(length + 1);
+  s[length++] = c;
+  s[length] = '\0';
+  return this;
+}
+
+GString *GString::append(GString *str) {
+  int n = str->getLength();
+
+  resize(length + n);
+  memcpy(s + length, str->getCString(), n + 1);
+  length += n;
+  return this;
+}
+
+GString *GString::append(const char *str) {
+  int n = strlen(str);
+
+  resize(length + n);
+  memcpy(s + length, str, n + 1);
+  length += n;
+  return this;
+}
+
+GString *GString::append(const char *str, int length1) {
+  resize(length + length1);
+  memcpy(s + length, str, length1);
+  length += length1;
+  s[length] = '\0';
+  return this;
+}
+
+GString *GString::insert(int i, char c) {
+  int j;
+
+  resize(length + 1);
+  for (j = length + 1; j > i; --j)
+    s[j] = s[j-1];
+  s[i] = c;
+  ++length;
+  return this;
+}
+
+GString *GString::insert(int i, GString *str) {
+  int n = str->getLength();
+  int j;
+
+  resize(length + n);
+  for (j = length; j >= i; --j)
+    s[j+n] = s[j];
+  memcpy(s+i, str->getCString(), n);
+  length += n;
+  return this;
+}
+
+GString *GString::insert(int i, const char *str) {
+  int n = strlen(str);
+  int j;
+
+  resize(length + n);
+  for (j = length; j >= i; --j)
+    s[j+n] = s[j];
+  memcpy(s+i, str, n);
+  length += n;
+  return this;
+}
+
+GString *GString::insert(int i, const char *str, int length1) {
+  int j;
+
+  resize(length + length1);
+  for (j = length; j >= i; --j)
+    s[j+length1] = s[j];
+  memcpy(s+i, str, length1);
+  length += length1;
+  return this;
+}
+
+GString *GString::del(int i, int n) {
+  int j;
+
+  if (n > 0) {
+    for (j = i; j <= length - n; ++j)
+      s[j] = s[j + n];
+    resize(length -= n);
+  }
+  return this;
+}
+
+GString *GString::upperCase() {
+  int i;
+
+  for (i = 0; i < length; ++i) {
+    if (islower(s[i]))
+      s[i] = toupper(s[i]);
+  }
+  return this;
+}
+
+GString *GString::lowerCase() {
+  int i;
+
+  for (i = 0; i < length; ++i) {
+    if (isupper(s[i]))
+      s[i] = tolower(s[i]);
+  }
+  return this;
+}
diff --git a/pdftops/GString.h b/pdftops/GString.h
new file mode 100644
index 000000000..4c3b95f34
--- /dev/null
+++ b/pdftops/GString.h
@@ -0,0 +1,95 @@
+//========================================================================
+//
+// GString.h
+//
+// Simple variable-length string type.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef GSTRING_H
+#define GSTRING_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <string.h>
+
+class GString {
+public:
+
+  // Create an empty string.
+  GString();
+
+  // Create a string from a C string.
+  GString(const char *s1);
+
+  // Create a string from <length1> chars at <s1>.  This string
+  // can contain null characters.
+  GString (const char *s1, int length1);
+
+  // Copy a string.
+  GString(GString *str);
+  GString *copy() { return new GString(this); }
+
+  // Concatenate two strings.
+  GString(GString *str1, GString *str2);
+
+  // Convert an integer to a string.
+  static GString *fromInt(int x);
+
+  // Destructor.
+  ~GString();
+
+  // Get length.
+  int getLength() { return length; }
+
+  // Get C string.
+  char *getCString() { return s; }
+
+  // Get <i>th character.
+  char getChar(int i) { return s[i]; }
+
+  // Change <i>th character.
+  void setChar(int i, char c) { s[i] = c; }
+
+  // Clear string to zero length.
+  GString *clear();
+
+  // Append a character or string.
+  GString *append(char c);
+  GString *append(GString *str);
+  GString *append(const char *str);
+  GString *append(const char *str, int length1);
+
+  // Insert a character or string.
+  GString *insert(int i, char c);
+  GString *insert(int i, GString *str);
+  GString *insert(int i, const char *str);
+  GString *insert(int i, const char *str, int length1);
+
+  // Delete a character or range of characters.
+  GString *del(int i, int n = 1);
+
+  // Convert string to all-upper/all-lower case.
+  GString *upperCase();
+  GString *lowerCase();
+
+  // Compare two strings:  -1:<  0:=  +1:>
+  // These functions assume the strings do not contain null characters.
+  int cmp(GString *str) { return strcmp(s, str->getCString()); }
+  int cmpN(GString *str, int n) { return strncmp(s, str->getCString(), n); }
+  int cmp(const char *s1) { return strcmp(s, s1); }
+  int cmpN(const char *s1, int n) { return strncmp(s, s1, n); }
+
+private:
+
+  int length;
+  char *s;
+
+  void resize(int length1);
+};
+
+#endif
diff --git a/pdftops/Gfx.cxx b/pdftops/Gfx.cxx
new file mode 100644
index 000000000..a55efde82
--- /dev/null
+++ b/pdftops/Gfx.cxx
@@ -0,0 +1,2508 @@
+//========================================================================
+//
+// Gfx.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stddef.h>
+#include <string.h>
+#include <math.h>
+#include "gmem.h"
+#include "Object.h"
+#include "Array.h"
+#include "Dict.h"
+#include "Stream.h"
+#include "Lexer.h"
+#include "Parser.h"
+#include "GfxFont.h"
+#include "GfxState.h"
+#include "OutputDev.h"
+#include "Params.h"
+#include "Page.h"
+#include "Error.h"
+#include "Gfx.h"
+
+//------------------------------------------------------------------------
+// constants
+//------------------------------------------------------------------------
+
+// Max number of splits along the t axis for an axial shading fill.
+#define axialMaxSplits 256
+
+// Max delta allowed in any color component for an axial shading fill.
+#define axialColorDelta (1 / 256.0)
+
+//------------------------------------------------------------------------
+// Operator table
+//------------------------------------------------------------------------
+
+Operator Gfx::opTab[] = {
+  {"\"",  3, {tchkNum,    tchkNum,    tchkString},
+          &Gfx::opMoveSetShowText},
+  {"'",   1, {tchkString},
+          &Gfx::opMoveShowText},
+  {"B",   0, {tchkNone},
+          &Gfx::opFillStroke},
+  {"B*",  0, {tchkNone},
+          &Gfx::opEOFillStroke},
+  {"BDC", 2, {tchkName,   tchkProps},
+          &Gfx::opBeginMarkedContent},
+  {"BI",  0, {tchkNone},
+          &Gfx::opBeginImage},
+  {"BMC", 1, {tchkName},
+          &Gfx::opBeginMarkedContent},
+  {"BT",  0, {tchkNone},
+          &Gfx::opBeginText},
+  {"BX",  0, {tchkNone},
+          &Gfx::opBeginIgnoreUndef},
+  {"CS",  1, {tchkName},
+          &Gfx::opSetStrokeColorSpace},
+  {"DP",  2, {tchkName,   tchkProps},
+          &Gfx::opMarkPoint},
+  {"Do",  1, {tchkName},
+          &Gfx::opXObject},
+  {"EI",  0, {tchkNone},
+          &Gfx::opEndImage},
+  {"EMC", 0, {tchkNone},
+          &Gfx::opEndMarkedContent},
+  {"ET",  0, {tchkNone},
+          &Gfx::opEndText},
+  {"EX",  0, {tchkNone},
+          &Gfx::opEndIgnoreUndef},
+  {"F",   0, {tchkNone},
+          &Gfx::opFill},
+  {"G",   1, {tchkNum},
+          &Gfx::opSetStrokeGray},
+  {"ID",  0, {tchkNone},
+          &Gfx::opImageData},
+  {"J",   1, {tchkInt},
+          &Gfx::opSetLineCap},
+  {"K",   4, {tchkNum,    tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opSetStrokeCMYKColor},
+  {"M",   1, {tchkNum},
+          &Gfx::opSetMiterLimit},
+  {"MP",  1, {tchkName},
+          &Gfx::opMarkPoint},
+  {"Q",   0, {tchkNone},
+          &Gfx::opRestore},
+  {"RG",  3, {tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opSetStrokeRGBColor},
+  {"S",   0, {tchkNone},
+          &Gfx::opStroke},
+  {"SC",  -4, {tchkNum,   tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opSetStrokeColor},
+  {"SCN", -5, {tchkSCN,   tchkSCN,    tchkSCN,    tchkSCN,
+	       tchkSCN},
+          &Gfx::opSetStrokeColorN},
+  {"T*",  0, {tchkNone},
+          &Gfx::opTextNextLine},
+  {"TD",  2, {tchkNum,    tchkNum},
+          &Gfx::opTextMoveSet},
+  {"TJ",  1, {tchkArray},
+          &Gfx::opShowSpaceText},
+  {"TL",  1, {tchkNum},
+          &Gfx::opSetTextLeading},
+  {"Tc",  1, {tchkNum},
+          &Gfx::opSetCharSpacing},
+  {"Td",  2, {tchkNum,    tchkNum},
+          &Gfx::opTextMove},
+  {"Tf",  2, {tchkName,   tchkNum},
+          &Gfx::opSetFont},
+  {"Tj",  1, {tchkString},
+          &Gfx::opShowText},
+  {"Tm",  6, {tchkNum,    tchkNum,    tchkNum,    tchkNum,
+	      tchkNum,    tchkNum},
+          &Gfx::opSetTextMatrix},
+  {"Tr",  1, {tchkInt},
+          &Gfx::opSetTextRender},
+  {"Ts",  1, {tchkNum},
+          &Gfx::opSetTextRise},
+  {"Tw",  1, {tchkNum},
+          &Gfx::opSetWordSpacing},
+  {"Tz",  1, {tchkNum},
+          &Gfx::opSetHorizScaling},
+  {"W",   0, {tchkNone},
+          &Gfx::opClip},
+  {"W*",  0, {tchkNone},
+          &Gfx::opEOClip},
+  {"b",   0, {tchkNone},
+          &Gfx::opCloseFillStroke},
+  {"b*",  0, {tchkNone},
+          &Gfx::opCloseEOFillStroke},
+  {"c",   6, {tchkNum,    tchkNum,    tchkNum,    tchkNum,
+	      tchkNum,    tchkNum},
+          &Gfx::opCurveTo},
+  {"cm",  6, {tchkNum,    tchkNum,    tchkNum,    tchkNum,
+	      tchkNum,    tchkNum},
+          &Gfx::opConcat},
+  {"cs",  1, {tchkName},
+          &Gfx::opSetFillColorSpace},
+  {"d",   2, {tchkArray,  tchkNum},
+          &Gfx::opSetDash},
+  {"d0",  2, {tchkNum,    tchkNum},
+          &Gfx::opSetCharWidth},
+  {"d1",  6, {tchkNum,    tchkNum,    tchkNum,    tchkNum,
+	      tchkNum,    tchkNum},
+          &Gfx::opSetCacheDevice},
+  {"f",   0, {tchkNone},
+          &Gfx::opFill},
+  {"f*",  0, {tchkNone},
+          &Gfx::opEOFill},
+  {"g",   1, {tchkNum},
+          &Gfx::opSetFillGray},
+  {"gs",  1, {tchkName},
+          &Gfx::opSetExtGState},
+  {"h",   0, {tchkNone},
+          &Gfx::opClosePath},
+  {"i",   1, {tchkNum},
+          &Gfx::opSetFlat},
+  {"j",   1, {tchkInt},
+          &Gfx::opSetLineJoin},
+  {"k",   4, {tchkNum,    tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opSetFillCMYKColor},
+  {"l",   2, {tchkNum,    tchkNum},
+          &Gfx::opLineTo},
+  {"m",   2, {tchkNum,    tchkNum},
+          &Gfx::opMoveTo},
+  {"n",   0, {tchkNone},
+          &Gfx::opEndPath},
+  {"q",   0, {tchkNone},
+          &Gfx::opSave},
+  {"re",  4, {tchkNum,    tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opRectangle},
+  {"rg",  3, {tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opSetFillRGBColor},
+  {"ri",  1, {tchkName},
+          &Gfx::opSetRenderingIntent},
+  {"s",   0, {tchkNone},
+          &Gfx::opCloseStroke},
+  {"sc",  -4, {tchkNum,   tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opSetFillColor},
+  {"scn", -5, {tchkSCN,   tchkSCN,    tchkSCN,    tchkSCN,
+	       tchkSCN},
+          &Gfx::opSetFillColorN},
+  {"sh",  1, {tchkName},
+          &Gfx::opShFill},
+  {"v",   4, {tchkNum,    tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opCurveTo1},
+  {"w",   1, {tchkNum},
+          &Gfx::opSetLineWidth},
+  {"y",   4, {tchkNum,    tchkNum,    tchkNum,    tchkNum},
+          &Gfx::opCurveTo2},
+};
+
+#define numOps (sizeof(opTab) / sizeof(Operator))
+
+//------------------------------------------------------------------------
+// GfxResources
+//------------------------------------------------------------------------
+
+GfxResources::GfxResources(XRef *xref, Dict *resDict, GfxResources *nextA) {
+  Object obj1;
+
+  if (resDict) {
+
+    // build font dictionary
+    fonts = NULL;
+    resDict->lookup("Font", &obj1);
+    if (obj1.isDict()) {
+      fonts = new GfxFontDict(xref, obj1.getDict());
+    }
+    obj1.free();
+
+    // get XObject dictionary
+    resDict->lookup("XObject", &xObjDict);
+
+    // get color space dictionary
+    resDict->lookup("ColorSpace", &colorSpaceDict);
+
+    // get pattern dictionary
+    resDict->lookup("Pattern", &patternDict);
+
+    // get shading dictionary
+    resDict->lookup("Shading", &shadingDict);
+
+    // get graphics state parameter dictionary
+    resDict->lookup("ExtGState", &gStateDict);
+
+  } else {
+    fonts = NULL;
+    xObjDict.initNull();
+    colorSpaceDict.initNull();
+    patternDict.initNull();
+    gStateDict.initNull();
+  }
+
+  next = nextA;
+}
+
+GfxResources::~GfxResources() {
+  if (fonts) {
+    delete fonts;
+  }
+  xObjDict.free();
+  colorSpaceDict.free();
+  patternDict.free();
+  shadingDict.free();
+  gStateDict.free();
+}
+
+GfxFont *GfxResources::lookupFont(char *name) {
+  GfxFont *font;
+  GfxResources *resPtr;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->fonts) {
+      if ((font = resPtr->fonts->lookup(name)))
+	return font;
+    }
+  }
+  error(-1, "Unknown font tag '%s'", name);
+  return NULL;
+}
+
+GBool GfxResources::lookupXObject(char *name, Object *obj) {
+  GfxResources *resPtr;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->xObjDict.isDict()) {
+      if (!resPtr->xObjDict.dictLookup(name, obj)->isNull())
+	return gTrue;
+      obj->free();
+    }
+  }
+  error(-1, "XObject '%s' is unknown", name);
+  return gFalse;
+}
+
+GBool GfxResources::lookupXObjectNF(char *name, Object *obj) {
+  GfxResources *resPtr;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->xObjDict.isDict()) {
+      if (!resPtr->xObjDict.dictLookupNF(name, obj)->isNull())
+	return gTrue;
+      obj->free();
+    }
+  }
+  error(-1, "XObject '%s' is unknown", name);
+  return gFalse;
+}
+
+void GfxResources::lookupColorSpace(char *name, Object *obj) {
+  GfxResources *resPtr;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->colorSpaceDict.isDict()) {
+      if (!resPtr->colorSpaceDict.dictLookup(name, obj)->isNull()) {
+	return;
+      }
+      obj->free();
+    }
+  }
+  obj->initNull();
+}
+
+GfxPattern *GfxResources::lookupPattern(char *name) {
+  GfxResources *resPtr;
+  GfxPattern *pattern;
+  Object obj;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->patternDict.isDict()) {
+      if (!resPtr->patternDict.dictLookup(name, &obj)->isNull()) {
+	pattern = GfxPattern::parse(&obj);
+	obj.free();
+	return pattern;
+      }
+      obj.free();
+    }
+  }
+  error(-1, "Unknown pattern '%s'", name);
+  return NULL;
+}
+
+GfxShading *GfxResources::lookupShading(char *name) {
+  GfxResources *resPtr;
+  GfxShading *shading;
+  Object obj;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->shadingDict.isDict()) {
+      if (!resPtr->shadingDict.dictLookup(name, &obj)->isNull()) {
+	shading = GfxShading::parse(&obj);
+	obj.free();
+	return shading;
+      }
+      obj.free();
+    }
+  }
+  error(-1, "Unknown shading '%s'", name);
+  return NULL;
+}
+
+GBool GfxResources::lookupGState(char *name, Object *obj) {
+  GfxResources *resPtr;
+
+  for (resPtr = this; resPtr; resPtr = resPtr->next) {
+    if (resPtr->gStateDict.isDict()) {
+      if (!resPtr->gStateDict.dictLookup(name, obj)->isNull()) {
+	return gTrue;
+      }
+      obj->free();
+    }
+  }
+  error(-1, "ExtGState '%s' is unknown", name);
+  return gFalse;
+}
+
+//------------------------------------------------------------------------
+// Gfx
+//------------------------------------------------------------------------
+
+Gfx::Gfx(XRef *xrefA, OutputDev *outA, int pageNum, Dict *resDict, double dpi,
+	 PDFRectangle *box, GBool crop, PDFRectangle *cropBox, int rotate,
+	 GBool printCommandsA) {
+  int i;
+
+  xref = xrefA;
+  printCommands = printCommandsA;
+
+  // start the resource stack
+  res = new GfxResources(xref, resDict, NULL);
+
+  // initialize
+  out = outA;
+  state = new GfxState(dpi, box, rotate, out->upsideDown());
+  fontChanged = gFalse;
+  clip = clipNone;
+  ignoreUndef = 0;
+  out->startPage(pageNum, state);
+  out->setDefaultCTM(state->getCTM());
+  out->updateAll(state);
+  for (i = 0; i < 6; ++i) {
+    baseMatrix[i] = state->getCTM()[i];
+  }
+
+  // set crop box
+  if (crop) {
+    state->moveTo(cropBox->x1, cropBox->y1);
+    state->lineTo(cropBox->x2, cropBox->y1);
+    state->lineTo(cropBox->x2, cropBox->y2);
+    state->lineTo(cropBox->x1, cropBox->y2);
+    state->closePath();
+    state->clip();
+    out->clip(state);
+    state->clearPath();
+  }
+}
+
+Gfx::~Gfx() {
+  GfxResources *resPtr;
+
+  while (state->hasSaves()) {
+    state = state->restore();
+    out->restoreState(state);
+  }
+  out->endPage();
+  while (res) {
+    resPtr = res->getNext();
+    delete res;
+    res = resPtr;
+  }
+  if (state)
+    delete state;
+}
+
+void Gfx::display(Object *obj, GBool topLevel) {
+  Object obj2;
+  int i;
+
+  if (obj->isArray()) {
+    for (i = 0; i < obj->arrayGetLength(); ++i) {
+      obj->arrayGet(i, &obj2);
+      if (!obj2.isStream()) {
+	error(-1, "Weird page contents");
+	obj2.free();
+	return;
+      }
+      obj2.free();
+    }
+  } else if (!obj->isStream()) {
+    error(-1, "Weird page contents");
+    return;
+  }
+  parser = new Parser(xref, new Lexer(xref, obj));
+  go(topLevel);
+  delete parser;
+  parser = NULL;
+}
+
+void Gfx::go(GBool topLevel) {
+  Object obj;
+  Object args[maxArgs];
+  int numCmds, numArgs;
+  int i;
+
+  // scan a sequence of objects
+  numCmds = 0;
+  numArgs = 0;
+  parser->getObj(&obj);
+  while (!obj.isEOF()) {
+
+    // got a command - execute it
+    if (obj.isCmd()) {
+      if (printCommands) {
+	obj.print(stdout);
+	for (i = 0; i < numArgs; ++i) {
+	  printf(" ");
+	  args[i].print(stdout);
+	}
+	printf("\n");
+	fflush(stdout);
+      }
+      execOp(&obj, args, numArgs);
+      obj.free();
+      for (i = 0; i < numArgs; ++i)
+	args[i].free();
+      numArgs = 0;
+
+      // periodically update display
+      if (++numCmds == 200) {
+	out->dump();
+	numCmds = 0;
+      }
+
+    // got an argument - save it
+    } else if (numArgs < maxArgs) {
+      args[numArgs++] = obj;
+
+    // too many arguments - something is wrong
+    } else {
+      error(getPos(), "Too many args in content stream");
+      if (printCommands) {
+	printf("throwing away arg: ");
+	obj.print(stdout);
+	printf("\n");
+	fflush(stdout);
+      }
+      obj.free();
+    }
+
+    // grab the next object
+    parser->getObj(&obj);
+  }
+  obj.free();
+
+  // args at end with no command
+  if (numArgs > 0) {
+    error(getPos(), "Leftover args in content stream");
+    if (printCommands) {
+      printf("%d leftovers:", numArgs);
+      for (i = 0; i < numArgs; ++i) {
+	printf(" ");
+	args[i].print(stdout);
+      }
+      printf("\n");
+      fflush(stdout);
+    }
+    for (i = 0; i < numArgs; ++i)
+      args[i].free();
+  }
+
+  // update display
+  if (topLevel && numCmds > 0) {
+    out->dump();
+  }
+}
+
+void Gfx::execOp(Object *cmd, Object args[], int numArgs) {
+  Operator *op;
+  char *name;
+  int i;
+
+  // find operator
+  name = cmd->getName();
+  if (!(op = findOp(name))) {
+    if (ignoreUndef == 0)
+      error(getPos(), "Unknown operator '%s'", name);
+    return;
+  }
+
+  // type check args
+  if (op->numArgs >= 0) {
+    if (numArgs != op->numArgs) {
+      error(getPos(), "Wrong number (%d) of args to '%s' operator",
+	    numArgs, name);
+      return;
+    }
+  } else {
+    if (numArgs > -op->numArgs) {
+      error(getPos(), "Too many (%d) args to '%s' operator",
+	    numArgs, name);
+      return;
+    }
+  }
+  for (i = 0; i < numArgs; ++i) {
+    if (!checkArg(&args[i], op->tchk[i])) {
+      error(getPos(), "Arg #%d to '%s' operator is wrong type (%s)",
+	    i, name, args[i].getTypeName());
+      return;
+    }
+  }
+
+  // do it
+  (this->*op->func)(args, numArgs);
+}
+
+Operator *Gfx::findOp(char *name) {
+  int a, b, m, cmp;
+
+  a = -1;
+  b = numOps;
+  // invariant: opTab[a] < name < opTab[b]
+  while (b - a > 1) {
+    m = (a + b) / 2;
+    cmp = strcmp(opTab[m].name, name);
+    if (cmp < 0)
+      a = m;
+    else if (cmp > 0)
+      b = m;
+    else
+      a = b = m;
+  }
+  if (cmp != 0)
+    return NULL;
+  return &opTab[a];
+}
+
+GBool Gfx::checkArg(Object *arg, TchkType type) {
+  switch (type) {
+  case tchkBool:   return arg->isBool();
+  case tchkInt:    return arg->isInt();
+  case tchkNum:    return arg->isNum();
+  case tchkString: return arg->isString();
+  case tchkName:   return arg->isName();
+  case tchkArray:  return arg->isArray();
+  case tchkProps:  return arg->isDict() || arg->isName();
+  case tchkSCN:    return arg->isNum() || arg->isName();
+  case tchkNone:   return gFalse;
+  }
+  return gFalse;
+}
+
+int Gfx::getPos() {
+  return parser ? parser->getPos() : -1;
+}
+
+//------------------------------------------------------------------------
+// graphics state operators
+//------------------------------------------------------------------------
+
+void Gfx::opSave(Object args[], int numArgs) {
+  out->saveState(state);
+  state = state->save();
+}
+
+void Gfx::opRestore(Object args[], int numArgs) {
+  state = state->restore();
+  out->restoreState(state);
+
+  // Some PDF producers (Macromedia FreeHand) generate a save (q) and
+  // restore (Q) inside a path sequence.  The PDF spec seems to imply
+  // that this is illegal.  Calling clearPath() here implements the
+  // behavior apparently expected by this software.
+  state->clearPath();
+}
+
+void Gfx::opConcat(Object args[], int numArgs) {
+  state->concatCTM(args[0].getNum(), args[1].getNum(),
+		   args[2].getNum(), args[3].getNum(),
+		   args[4].getNum(), args[5].getNum());
+  out->updateCTM(state, args[0].getNum(), args[1].getNum(),
+		 args[2].getNum(), args[3].getNum(),
+		 args[4].getNum(), args[5].getNum());
+  fontChanged = gTrue;
+}
+
+void Gfx::opSetDash(Object args[], int numArgs) {
+  Array *a;
+  int length;
+  Object obj;
+  double *dash;
+  int i;
+
+  a = args[0].getArray();
+  length = a->getLength();
+  if (length == 0) {
+    dash = NULL;
+  } else {
+    dash = (double *)gmalloc(length * sizeof(double));
+    for (i = 0; i < length; ++i) {
+      dash[i] = a->get(i, &obj)->getNum();
+      obj.free();
+    }
+  }
+  state->setLineDash(dash, length, args[1].getNum());
+  out->updateLineDash(state);
+}
+
+void Gfx::opSetFlat(Object args[], int numArgs) {
+  state->setFlatness((int)args[0].getNum());
+  out->updateFlatness(state);
+}
+
+void Gfx::opSetLineJoin(Object args[], int numArgs) {
+  state->setLineJoin(args[0].getInt());
+  out->updateLineJoin(state);
+}
+
+void Gfx::opSetLineCap(Object args[], int numArgs) {
+  state->setLineCap(args[0].getInt());
+  out->updateLineCap(state);
+}
+
+void Gfx::opSetMiterLimit(Object args[], int numArgs) {
+  state->setMiterLimit(args[0].getNum());
+  out->updateMiterLimit(state);
+}
+
+void Gfx::opSetLineWidth(Object args[], int numArgs) {
+  state->setLineWidth(args[0].getNum());
+  out->updateLineWidth(state);
+}
+
+void Gfx::opSetExtGState(Object args[], int numArgs) {
+  Object obj1, obj2;
+
+  if (!res->lookupGState(args[0].getName(), &obj1)) {
+    return;
+  }
+  if (!obj1.isDict()) {
+    error(getPos(), "ExtGState '%s' is wrong type", args[0].getName());
+    obj1.free();
+    return;
+  }
+  if (obj1.dictLookup("ca", &obj2)->isNum()) {
+    state->setFillOpacity(obj2.getNum());
+    out->updateFillOpacity(state);
+  }
+  obj2.free();
+  if (obj1.dictLookup("CA", &obj2)->isNum()) {
+    state->setStrokeOpacity(obj2.getNum());
+    out->updateStrokeOpacity(state);
+  }
+  obj2.free();
+  obj1.free();
+}
+
+void Gfx::opSetRenderingIntent(Object args[], int numArgs) {
+}
+
+//------------------------------------------------------------------------
+// color operators
+//------------------------------------------------------------------------
+
+void Gfx::opSetFillGray(Object args[], int numArgs) {
+  GfxColor color;
+
+  state->setFillPattern(NULL);
+  state->setFillColorSpace(new GfxDeviceGrayColorSpace());
+  color.c[0] = args[0].getNum();
+  state->setFillColor(&color);
+  out->updateFillColor(state);
+}
+
+void Gfx::opSetStrokeGray(Object args[], int numArgs) {
+  GfxColor color;
+
+  state->setStrokePattern(NULL);
+  state->setStrokeColorSpace(new GfxDeviceGrayColorSpace());
+  color.c[0] = args[0].getNum();
+  state->setStrokeColor(&color);
+  out->updateStrokeColor(state);
+}
+
+void Gfx::opSetFillCMYKColor(Object args[], int numArgs) {
+  GfxColor color;
+  int i;
+
+  state->setFillPattern(NULL);
+  state->setFillColorSpace(new GfxDeviceCMYKColorSpace());
+  for (i = 0; i < 4; ++i) {
+    color.c[i] = args[i].getNum();
+  }
+  state->setFillColor(&color);
+  out->updateFillColor(state);
+}
+
+void Gfx::opSetStrokeCMYKColor(Object args[], int numArgs) {
+  GfxColor color;
+  int i;
+
+  state->setStrokePattern(NULL);
+  state->setStrokeColorSpace(new GfxDeviceCMYKColorSpace());
+  for (i = 0; i < 4; ++i) {
+    color.c[i] = args[i].getNum();
+  }
+  state->setStrokeColor(&color);
+  out->updateStrokeColor(state);
+}
+
+void Gfx::opSetFillRGBColor(Object args[], int numArgs) {
+  GfxColor color;
+  int i;
+
+  state->setFillPattern(NULL);
+  state->setFillColorSpace(new GfxDeviceRGBColorSpace());
+  for (i = 0; i < 3; ++i) {
+    color.c[i] = args[i].getNum();
+  }
+  state->setFillColor(&color);
+  out->updateFillColor(state);
+}
+
+void Gfx::opSetStrokeRGBColor(Object args[], int numArgs) {
+  GfxColor color;
+  int i;
+
+  state->setStrokePattern(NULL);
+  state->setStrokeColorSpace(new GfxDeviceRGBColorSpace());
+  for (i = 0; i < 3; ++i) {
+    color.c[i] = args[i].getNum();
+  }
+  state->setStrokeColor(&color);
+  out->updateStrokeColor(state);
+}
+
+void Gfx::opSetFillColorSpace(Object args[], int numArgs) {
+  Object obj;
+  GfxColorSpace *colorSpace;
+  GfxColor color;
+  int i;
+
+  state->setFillPattern(NULL);
+  res->lookupColorSpace(args[0].getName(), &obj);
+  if (obj.isNull()) {
+    colorSpace = GfxColorSpace::parse(&args[0]);
+  } else {
+    colorSpace = GfxColorSpace::parse(&obj);
+  }
+  obj.free();
+  if (colorSpace) {
+    state->setFillColorSpace(colorSpace);
+  } else {
+    error(getPos(), "Bad color space (fill)");
+  }
+  for (i = 0; i < gfxColorMaxComps; ++i) {
+    color.c[i] = 0;
+  }
+  state->setFillColor(&color);
+  out->updateFillColor(state);
+}
+
+void Gfx::opSetStrokeColorSpace(Object args[], int numArgs) {
+  Object obj;
+  GfxColorSpace *colorSpace;
+  GfxColor color;
+  int i;
+
+  state->setStrokePattern(NULL);
+  res->lookupColorSpace(args[0].getName(), &obj);
+  if (obj.isNull()) {
+    colorSpace = GfxColorSpace::parse(&args[0]);
+  } else {
+    colorSpace = GfxColorSpace::parse(&obj);
+  }
+  obj.free();
+  if (colorSpace) {
+    state->setStrokeColorSpace(colorSpace);
+  } else {
+    error(getPos(), "Bad color space (stroke)");
+  }
+  for (i = 0; i < gfxColorMaxComps; ++i) {
+    color.c[i] = 0;
+  }
+  state->setStrokeColor(&color);
+  out->updateStrokeColor(state);
+}
+
+void Gfx::opSetFillColor(Object args[], int numArgs) {
+  GfxColor color;
+  int i;
+
+  state->setFillPattern(NULL);
+  for (i = 0; i < numArgs; ++i) {
+    color.c[i] = args[i].getNum();
+  }
+  state->setFillColor(&color);
+  out->updateFillColor(state);
+}
+
+void Gfx::opSetStrokeColor(Object args[], int numArgs) {
+  GfxColor color;
+  int i;
+
+  state->setStrokePattern(NULL);
+  for (i = 0; i < numArgs; ++i) {
+    color.c[i] = args[i].getNum();
+  }
+  state->setStrokeColor(&color);
+  out->updateStrokeColor(state);
+}
+
+void Gfx::opSetFillColorN(Object args[], int numArgs) {
+  GfxColor color;
+  GfxPattern *pattern;
+  int i;
+
+  if (state->getFillColorSpace()->getMode() == csPattern) {
+    if (numArgs > 1) {
+      for (i = 0; i < numArgs && i < 4; ++i) {
+	if (args[i].isNum()) {
+	  color.c[i] = args[i].getNum();
+	}
+      }
+      state->setFillColor(&color);
+      out->updateFillColor(state);
+    }
+    if (args[numArgs-1].isName() &&
+	(pattern = res->lookupPattern(args[numArgs-1].getName()))) {
+      state->setFillPattern(pattern);
+    }
+
+  } else {
+    state->setFillPattern(NULL);
+    for (i = 0; i < numArgs && i < 4; ++i) {
+      if (args[i].isNum()) {
+	color.c[i] = args[i].getNum();
+      }
+    }
+    state->setFillColor(&color);
+    out->updateFillColor(state);
+  }
+}
+
+void Gfx::opSetStrokeColorN(Object args[], int numArgs) {
+  GfxColor color;
+  GfxPattern *pattern;
+  int i;
+
+  if (state->getStrokeColorSpace()->getMode() == csPattern) {
+    if (numArgs > 1) {
+      for (i = 0; i < numArgs && i < 4; ++i) {
+	if (args[i].isNum()) {
+	  color.c[i] = args[i].getNum();
+	}
+      }
+      state->setStrokeColor(&color);
+      out->updateStrokeColor(state);
+    }
+    if (args[numArgs-1].isName() &&
+	(pattern = res->lookupPattern(args[numArgs-1].getName()))) {
+      state->setStrokePattern(pattern);
+    }
+
+  } else {
+    state->setStrokePattern(NULL);
+    for (i = 0; i < numArgs && i < 4; ++i) {
+      if (args[i].isNum()) {
+	color.c[i] = args[i].getNum();
+      }
+    }
+    state->setStrokeColor(&color);
+    out->updateStrokeColor(state);
+  }
+}
+
+//------------------------------------------------------------------------
+// path segment operators
+//------------------------------------------------------------------------
+
+void Gfx::opMoveTo(Object args[], int numArgs) {
+  state->moveTo(args[0].getNum(), args[1].getNum());
+}
+
+void Gfx::opLineTo(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    error(getPos(), "No current point in lineto");
+    return;
+  }
+  state->lineTo(args[0].getNum(), args[1].getNum());
+}
+
+void Gfx::opCurveTo(Object args[], int numArgs) {
+  double x1, y1, x2, y2, x3, y3;
+
+  if (!state->isCurPt()) {
+    error(getPos(), "No current point in curveto");
+    return;
+  }
+  x1 = args[0].getNum();
+  y1 = args[1].getNum();
+  x2 = args[2].getNum();
+  y2 = args[3].getNum();
+  x3 = args[4].getNum();
+  y3 = args[5].getNum();
+  state->curveTo(x1, y1, x2, y2, x3, y3);
+}
+
+void Gfx::opCurveTo1(Object args[], int numArgs) {
+  double x1, y1, x2, y2, x3, y3;
+
+  if (!state->isCurPt()) {
+    error(getPos(), "No current point in curveto1");
+    return;
+  }
+  x1 = state->getCurX();
+  y1 = state->getCurY();
+  x2 = args[0].getNum();
+  y2 = args[1].getNum();
+  x3 = args[2].getNum();
+  y3 = args[3].getNum();
+  state->curveTo(x1, y1, x2, y2, x3, y3);
+}
+
+void Gfx::opCurveTo2(Object args[], int numArgs) {
+  double x1, y1, x2, y2, x3, y3;
+
+  if (!state->isCurPt()) {
+    error(getPos(), "No current point in curveto2");
+    return;
+  }
+  x1 = args[0].getNum();
+  y1 = args[1].getNum();
+  x2 = args[2].getNum();
+  y2 = args[3].getNum();
+  x3 = x2;
+  y3 = y2;
+  state->curveTo(x1, y1, x2, y2, x3, y3);
+}
+
+void Gfx::opRectangle(Object args[], int numArgs) {
+  double x, y, w, h;
+
+  x = args[0].getNum();
+  y = args[1].getNum();
+  w = args[2].getNum();
+  h = args[3].getNum();
+  state->moveTo(x, y);
+  state->lineTo(x + w, y);
+  state->lineTo(x + w, y + h);
+  state->lineTo(x, y + h);
+  state->closePath();
+}
+
+void Gfx::opClosePath(Object args[], int numArgs) {
+  if (!state->isPath()) {
+    error(getPos(), "No current point in closepath");
+    return;
+  }
+  state->closePath();
+}
+
+//------------------------------------------------------------------------
+// path painting operators
+//------------------------------------------------------------------------
+
+void Gfx::opEndPath(Object args[], int numArgs) {
+  doEndPath();
+}
+
+void Gfx::opStroke(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in stroke");
+    return;
+  }
+  if (state->isPath())
+    out->stroke(state);
+  doEndPath();
+}
+
+void Gfx::opCloseStroke(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in closepath/stroke");
+    return;
+  }
+  if (state->isPath()) {
+    state->closePath();
+    out->stroke(state);
+  }
+  doEndPath();
+}
+
+void Gfx::opFill(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in fill");
+    return;
+  }
+  if (state->isPath()) {
+    if (state->getFillColorSpace()->getMode() == csPattern) {
+      doPatternFill(gFalse);
+    } else {
+      out->fill(state);
+    }
+  }
+  doEndPath();
+}
+
+void Gfx::opEOFill(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in eofill");
+    return;
+  }
+  if (state->isPath()) {
+    if (state->getFillColorSpace()->getMode() == csPattern) {
+      doPatternFill(gTrue);
+    } else {
+      out->eoFill(state);
+    }
+  }
+  doEndPath();
+}
+
+void Gfx::opFillStroke(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in fill/stroke");
+    return;
+  }
+  if (state->isPath()) {
+    if (state->getFillColorSpace()->getMode() == csPattern) {
+      doPatternFill(gFalse);
+    } else {
+      out->fill(state);
+    }
+    out->stroke(state);
+  }
+  doEndPath();
+}
+
+void Gfx::opCloseFillStroke(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in closepath/fill/stroke");
+    return;
+  }
+  if (state->isPath()) {
+    state->closePath();
+    if (state->getFillColorSpace()->getMode() == csPattern) {
+      doPatternFill(gFalse);
+    } else {
+      out->fill(state);
+    }
+    out->stroke(state);
+  }
+  doEndPath();
+}
+
+void Gfx::opEOFillStroke(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in eofill/stroke");
+    return;
+  }
+  if (state->isPath()) {
+    if (state->getFillColorSpace()->getMode() == csPattern) {
+      doPatternFill(gTrue);
+    } else {
+      out->eoFill(state);
+    }
+    out->stroke(state);
+  }
+  doEndPath();
+}
+
+void Gfx::opCloseEOFillStroke(Object args[], int numArgs) {
+  if (!state->isCurPt()) {
+    //error(getPos(), "No path in closepath/eofill/stroke");
+    return;
+  }
+  if (state->isPath()) {
+    state->closePath();
+    if (state->getFillColorSpace()->getMode() == csPattern) {
+      doPatternFill(gTrue);
+    } else {
+      out->eoFill(state);
+    }
+    out->stroke(state);
+  }
+  doEndPath();
+}
+
+void Gfx::doPatternFill(GBool eoFill) {
+  GfxPatternColorSpace *patCS;
+  GfxPattern *pattern;
+  GfxTilingPattern *tPat;
+  GfxColorSpace *cs;
+  double xMin, yMin, xMax, yMax, x, y, x1, y1;
+  double cxMin, cyMin, cxMax, cyMax;
+  int xi0, yi0, xi1, yi1, xi, yi;
+  double *ctm, *btm, *ptm;
+  double m[6], ictm[6], m1[6], im[6], imb[6];
+  double det;
+  double xstep, ystep;
+  int i;
+
+  // get color space
+  patCS = (GfxPatternColorSpace *)state->getFillColorSpace();
+
+  // get pattern
+  if (!(pattern = state->getFillPattern())) {
+    return;
+  }
+  if (pattern->getType() != 1) {
+    return;
+  }
+  tPat = (GfxTilingPattern *)pattern;
+
+  // construct a (pattern space) -> (current space) transform matrix
+  ctm = state->getCTM();
+  btm = baseMatrix;
+  ptm = tPat->getMatrix();
+  // iCTM = invert CTM
+  det = 1 / (ctm[0] * ctm[3] - ctm[1] * ctm[2]);
+  ictm[0] = ctm[3] * det;
+  ictm[1] = -ctm[1] * det;
+  ictm[2] = -ctm[2] * det;
+  ictm[3] = ctm[0] * det;
+  ictm[4] = (ctm[2] * ctm[5] - ctm[3] * ctm[4]) * det;
+  ictm[5] = (ctm[1] * ctm[4] - ctm[0] * ctm[5]) * det;
+  // m1 = PTM * BTM = PTM * base transform matrix
+  m1[0] = ptm[0] * btm[0] + ptm[1] * btm[2];
+  m1[1] = ptm[0] * btm[1] + ptm[1] * btm[3];
+  m1[2] = ptm[2] * btm[0] + ptm[3] * btm[2];
+  m1[3] = ptm[2] * btm[1] + ptm[3] * btm[3];
+  m1[4] = ptm[4] * btm[0] + ptm[5] * btm[2] + btm[4];
+  m1[5] = ptm[4] * btm[1] + ptm[5] * btm[3] + btm[5];
+  // m = m1 * iCTM = (PTM * BTM) * (iCTM)
+  m[0] = m1[0] * ictm[0] + m1[1] * ictm[2];
+  m[1] = m1[0] * ictm[1] + m1[1] * ictm[3];
+  m[2] = m1[2] * ictm[0] + m1[3] * ictm[2];
+  m[3] = m1[2] * ictm[1] + m1[3] * ictm[3];
+  m[4] = m1[4] * ictm[0] + m1[5] * ictm[2] + ictm[4];
+  m[5] = m1[4] * ictm[1] + m1[5] * ictm[3] + ictm[5];
+
+  // construct a (current space) -> (pattern space) transform matrix
+  det = 1 / (m[0] * m[3] - m[1] * m[2]);
+  im[0] = m[3] * det;
+  im[1] = -m[1] * det;
+  im[2] = -m[2] * det;
+  im[3] = m[0] * det;
+  im[4] = (m[2] * m[5] - m[3] * m[4]) * det;
+  im[5] = (m[1] * m[4] - m[0] * m[5]) * det;
+
+  // construct a (base space) -> (pattern space) transform matrix
+  det = 1 / (m1[0] * m1[3] - m1[1] * m1[2]);
+  imb[0] = m1[3] * det;
+  imb[1] = -m1[1] * det;
+  imb[2] = -m1[2] * det;
+  imb[3] = m1[0] * det;
+  imb[4] = (m1[2] * m1[5] - m1[3] * m1[4]) * det;
+  imb[5] = (m1[1] * m1[4] - m1[0] * m1[5]) * det;
+
+  // save current graphics state
+  out->saveState(state);
+  state = state->save();
+
+  // set underlying color space (for uncolored tiling patterns)
+  if (tPat->getPaintType() == 2 && (cs = patCS->getUnder())) {
+    state->setFillColorSpace(cs->copy());
+  } else {
+    state->setFillColorSpace(new GfxDeviceGrayColorSpace());
+  }
+  state->setFillPattern(NULL);
+  out->updateFillColor(state);
+
+  // clip to current path
+  state->clip();
+  if (eoFill) {
+    out->eoClip(state);
+  } else {
+    out->clip(state);
+  }
+  state->clearPath();
+
+  // transform clip region bbox to pattern space
+  state->getClipBBox(&cxMin, &cyMin, &cxMax, &cyMax);
+  xMin = xMax = cxMin * imb[0] + cyMin * imb[2] + imb[4];
+  yMin = yMax = cxMin * imb[1] + cyMin * imb[3] + imb[5];
+  x1 = cxMin * imb[0] + cyMax * imb[2] + imb[4];
+  y1 = cxMin * imb[1] + cyMax * imb[3] + imb[5];
+  if (x1 < xMin) {
+    xMin = x1;
+  } else if (x1 > xMax) {
+    xMax = x1;
+  }
+  if (y1 < yMin) {
+    yMin = y1;
+  } else if (y1 > yMax) {
+    yMax = y1;
+  }
+  x1 = cxMax * imb[0] + cyMin * imb[2] + imb[4];
+  y1 = cxMax * imb[1] + cyMin * imb[3] + imb[5];
+  if (x1 < xMin) {
+    xMin = x1;
+  } else if (x1 > xMax) {
+    xMax = x1;
+  }
+  if (y1 < yMin) {
+    yMin = y1;
+  } else if (y1 > yMax) {
+    yMax = y1;
+  }
+  x1 = cxMax * imb[0] + cyMax * imb[2] + imb[4];
+  y1 = cxMax * imb[1] + cyMax * imb[3] + imb[5];
+  if (x1 < xMin) {
+    xMin = x1;
+  } else if (x1 > xMax) {
+    xMax = x1;
+  }
+  if (y1 < yMin) {
+    yMin = y1;
+  } else if (y1 > yMax) {
+    yMax = y1;
+  }
+
+  // draw the pattern
+  //~ this should treat negative steps differently -- start at right/top
+  //~ edge instead of left/bottom (?)
+  xstep = fabs(tPat->getXStep());
+  ystep = fabs(tPat->getYStep());
+  xi0 = (int)floor(xMin / xstep);
+  xi1 = (int)ceil(xMax / xstep);
+  yi0 = (int)floor(yMin / ystep);
+  yi1 = (int)ceil(yMax / ystep);
+  for (i = 0; i < 4; ++i) {
+    m1[i] = m[i];
+  }
+  for (yi = yi0; yi < yi1; ++yi) {
+    for (xi = xi0; xi < xi1; ++xi) {
+      x = xi * xstep;
+      y = yi * ystep;
+      m1[4] = x * m[0] + y * m[2] + m[4];
+      m1[5] = x * m[1] + y * m[3] + m[5];
+      doForm1(tPat->getContentStream(), tPat->getResDict(),
+	      m1, tPat->getBBox());
+    }
+  }
+
+  // restore graphics state
+  state = state->restore();
+  out->restoreState(state);
+}
+
+void Gfx::opShFill(Object args[], int numArgs) {
+  GfxShading *shading;
+  double xMin, yMin, xMax, yMax;
+
+  if (!(shading = res->lookupShading(args[0].getName()))) {
+    return;
+  }
+
+  // save current graphics state
+  out->saveState(state);
+  state = state->save();
+
+  // clip to bbox
+  if (shading->getHasBBox()) {
+    shading->getBBox(&xMin, &yMin, &xMax, &yMax);
+    state->moveTo(xMin, yMin);
+    state->lineTo(xMax, yMin);
+    state->lineTo(xMax, yMax);
+    state->lineTo(xMin, yMax);
+    state->closePath();
+    state->clip();
+    out->clip(state);
+    state->clearPath();
+  }
+
+  // set the color space
+  state->setFillColorSpace(shading->getColorSpace()->copy());
+
+  // do shading type-specific operations
+  switch (shading->getType()) {
+  case 2:
+    doAxialShFill((GfxAxialShading *)shading);
+    break;
+  }
+
+  // restore graphics state
+  state = state->restore();
+  out->restoreState(state);
+
+  delete shading;
+}
+
+void Gfx::doAxialShFill(GfxAxialShading *shading) {
+  double xMin, yMin, xMax, yMax;
+  double x0, y0, x1, y1;
+  double det;
+  double *ctm;
+  double ictm[6];
+  double dx, dy, mul;
+  double tMin, tMax, t, tx, ty;
+  double s[4], sMin, sMax, tmp;
+  double ux0, uy0, ux1, uy1, vx0, vy0, vx1, vy1;
+  double t0, t1, tt;
+  double ta[axialMaxSplits + 1];
+  int next[axialMaxSplits + 1];
+  GfxColor color0, color1;
+  int nComps;
+  int i, j, k, kk;
+
+  // get clip region bbox and transform to current user space
+  state->getClipBBox(&x0, &y0, &x1, &y1);
+  ctm = state->getCTM();
+  det = 1 / (ctm[0] * ctm[3] - ctm[1] * ctm[2]);
+  ictm[0] = ctm[3] * det;
+  ictm[1] = -ctm[1] * det;
+  ictm[2] = -ctm[2] * det;
+  ictm[3] = ctm[0] * det;
+  ictm[4] = (ctm[2] * ctm[5] - ctm[3] * ctm[4]) * det;
+  ictm[5] = (ctm[1] * ctm[4] - ctm[0] * ctm[5]) * det;
+  xMin = xMax = x0 * ictm[0] + y0 * ictm[2] + ictm[4];
+  yMin = yMax = x0 * ictm[1] + y0 * ictm[3] + ictm[5];
+  tx = x0 * ictm[0] + y1 * ictm[2] + ictm[4];
+  ty = x0 * ictm[1] + y1 * ictm[3] + ictm[5];
+  if (tx < xMin) {
+    xMin = tx;
+  } else if (tx > xMax) {
+    xMax = tx;
+  }
+  if (ty < yMin) {
+    yMin = ty;
+  } else if (ty > yMax) {
+    yMax = ty;
+  }
+  tx = x1 * ictm[0] + y0 * ictm[2] + ictm[4];
+  ty = x1 * ictm[1] + y0 * ictm[3] + ictm[5];
+  if (tx < xMin) {
+    xMin = tx;
+  } else if (tx > xMax) {
+    xMax = tx;
+  }
+  if (ty < yMin) {
+    yMin = ty;
+  } else if (ty > yMax) {
+    yMax = ty;
+  }
+  tx = x1 * ictm[0] + y1 * ictm[2] + ictm[4];
+  ty = x1 * ictm[1] + y1 * ictm[3] + ictm[5];
+  if (tx < xMin) {
+    xMin = tx;
+  } else if (tx > xMax) {
+    xMax = tx;
+  }
+  if (ty < yMin) {
+    yMin = ty;
+  } else if (ty > yMax) {
+    yMax = ty;
+  }
+
+  // compute min and max t values, based on the four corners of the
+  // clip region bbox
+  shading->getCoords(&x0, &y0, &x1, &y1);
+  dx = x1 - x0;
+  dy = y1 - y0;
+  mul = 1 / (dx * dx + dy * dy);
+  tMin = tMax = ((xMin - x0) * dx + (yMin - y0) * dy) * mul;
+  t = ((xMin - x0) * dx + (yMax - y0) * dy) * mul;
+  if (t < tMin) {
+    tMin = t;
+  } else if (t > tMax) {
+    tMax = t;
+  }
+  t = ((xMax - x0) * dx + (yMin - y0) * dy) * mul;
+  if (t < tMin) {
+    tMin = t;
+  } else if (t > tMax) {
+    tMax = t;
+  }
+  t = ((xMax - x0) * dx + (yMax - y0) * dy) * mul;
+  if (t < tMin) {
+    tMin = t;
+  } else if (t > tMax) {
+    tMax = t;
+  }
+  if (tMin < 0 && !shading->getExtend0()) {
+    tMin = 0;
+  }
+  if (tMax > 1 && !shading->getExtend1()) {
+    tMax = 1;
+  }
+
+  // get the function domain
+  t0 = shading->getDomain0();
+  t1 = shading->getDomain1();
+
+  // Traverse the t axis and do the shading.
+  //
+  // For each point (tx, ty) on the t axis, consider a line through
+  // that point perpendicular to the t axis:
+  //
+  //     x(s) = tx + s * -dy   -->   s = (x - tx) / -dy
+  //     y(s) = ty + s * dx    -->   s = (y - ty) / dx
+  //
+  // Then look at the intersection of this line with the bounding box
+  // (xMin, yMin, xMax, yMax).  In the general case, there are four
+  // intersection points:
+  //
+  //     s0 = (xMin - tx) / -dy
+  //     s1 = (xMax - tx) / -dy
+  //     s2 = (yMin - ty) / dx
+  //     s3 = (yMax - ty) / dx
+  //
+  // and we want the middle two s values.
+  //
+  // In the case where dx = 0, take s0 and s1; in the case where dy =
+  // 0, take s2 and s3.
+  //
+  // Each filled polygon is bounded by two of these line segments
+  // perpdendicular to the t axis.
+  //
+  // The t axis is bisected into smaller regions until the color
+  // difference across a region is small enough, and then the region
+  // is painted with a single color.
+
+  // set up
+  nComps = shading->getColorSpace()->getNComps();
+  ta[0] = tMin;
+  ta[axialMaxSplits] = tMax;
+  next[0] = axialMaxSplits;
+
+  // compute the color at t = tMin
+  if (tMin < 0) {
+    tt = t0;
+  } else if (tMin > 1) {
+    tt = t1;
+  } else {
+    tt = t0 + (t1 - t0) * tMin;
+  }
+  shading->getColor(tt, &color0);
+
+  // compute the coordinates of the point on the t axis at t = tMin;
+  // then compute the intersection of the perpendicular line with the
+  // bounding box
+  tx = x0 + tMin * dx;
+  ty = y0 + tMin * dy;
+  if (dx == 0 && dy == 0) {
+    sMin = sMax = 0;
+  } if (dx == 0) {
+    sMin = (xMin - tx) / -dy;
+    sMax = (xMax - tx) / -dy;
+    if (sMin > sMax) { tmp = sMin; sMin = sMax; sMax = tmp; }
+  } else if (dy == 0) {
+    sMin = (yMin - ty) / dx;
+    sMax = (yMax - ty) / dx;
+    if (sMin > sMax) { tmp = sMin; sMin = sMax; sMax = tmp; }
+  } else {
+    s[0] = (yMin - ty) / dx;
+    s[1] = (yMax - ty) / dx;
+    s[2] = (xMin - tx) / -dy;
+    s[3] = (xMax - tx) / -dy;
+    for (j = 0; j < 3; ++j) {
+      kk = j;
+      for (k = j + 1; k < 4; ++k) {
+	if (s[k] < s[kk]) {
+	  kk = k;
+	}
+      }
+      tmp = s[j]; s[j] = s[kk]; s[kk] = tmp;
+    }
+    sMin = s[1];
+    sMax = s[2];
+  }
+  ux0 = tx - sMin * dy;
+  uy0 = ty + sMin * dx;
+  vx0 = tx - sMax * dy;
+  vy0 = ty + sMax * dx;
+
+  i = 0;
+  while (i < axialMaxSplits) {
+
+    // bisect until color difference is small enough or we hit the
+    // bisection limit
+    j = next[i];
+    while (j > i + 1) {
+      if (ta[j] < 0) {
+	tt = t0;
+      } else if (ta[j] > 1) {
+	tt = t1;
+      } else {
+	tt = t0 + (t1 - t0) * ta[j];
+      }
+      shading->getColor(tt, &color1);
+      for (k = 0; k < nComps; ++k) {
+	if (fabs(color1.c[k] - color0.c[k]) > axialColorDelta) {
+	  break;
+	}
+      }
+      if (k == nComps) {
+	break;
+      }
+      k = (i + j) / 2;
+      ta[k] = 0.5 * (ta[i] + ta[j]);
+      next[i] = k;
+      next[k] = j;
+      j = k;
+    }
+
+    // use the average of the colors of the two sides of the region
+    for (k = 0; k < nComps; ++k) {
+      color0.c[k] = 0.5 * (color0.c[k] + color1.c[k]);
+    }
+
+    // compute the coordinates of the point on the t axis; then
+    // compute the intersection of the perpendicular line with the
+    // bounding box
+    tx = x0 + ta[j] * dx;
+    ty = y0 + ta[j] * dy;
+    if (dx == 0 && dy == 0) {
+      sMin = sMax = 0;
+    } if (dx == 0) {
+      sMin = (xMin - tx) / -dy;
+      sMax = (xMax - tx) / -dy;
+      if (sMin > sMax) { tmp = sMin; sMin = sMax; sMax = tmp; }
+    } else if (dy == 0) {
+      sMin = (yMin - ty) / dx;
+      sMax = (yMax - ty) / dx;
+      if (sMin > sMax) { tmp = sMin; sMin = sMax; sMax = tmp; }
+    } else {
+      s[0] = (yMin - ty) / dx;
+      s[1] = (yMax - ty) / dx;
+      s[2] = (xMin - tx) / -dy;
+      s[3] = (xMax - tx) / -dy;
+      for (j = 0; j < 3; ++j) {
+	kk = j;
+	for (k = j + 1; k < 4; ++k) {
+	  if (s[k] < s[kk]) {
+	    kk = k;
+	  }
+	}
+	tmp = s[j]; s[j] = s[kk]; s[kk] = tmp;
+      }
+      sMin = s[1];
+      sMax = s[2];
+    }
+    ux1 = tx - sMin * dy;
+    uy1 = ty + sMin * dx;
+    vx1 = tx - sMax * dy;
+    vy1 = ty + sMax * dx;
+
+    // set the color
+    state->setFillColor(&color0);
+    out->updateFillColor(state);
+
+    // fill the region
+    state->moveTo(ux0, uy0);
+    state->lineTo(vx0, vy0);
+    state->lineTo(vx1, vy1);
+    state->lineTo(ux1, uy1);
+    state->closePath();
+    out->fill(state);
+    state->clearPath();
+
+    // set up for next region
+    ux0 = ux1;
+    uy0 = uy1;
+    vx0 = vx1;
+    vy0 = vy1;
+    color0 = color1;
+    i = next[i];
+  }
+}
+
+void Gfx::doEndPath() {
+  if (state->isPath() && clip != clipNone) {
+    state->clip();
+    if (clip == clipNormal) {
+      out->clip(state);
+    } else {
+      out->eoClip(state);
+    }
+  }
+  clip = clipNone;
+  state->clearPath();
+}
+
+//------------------------------------------------------------------------
+// path clipping operators
+//------------------------------------------------------------------------
+
+void Gfx::opClip(Object args[], int numArgs) {
+  clip = clipNormal;
+}
+
+void Gfx::opEOClip(Object args[], int numArgs) {
+  clip = clipEO;
+}
+
+//------------------------------------------------------------------------
+// text object operators
+//------------------------------------------------------------------------
+
+void Gfx::opBeginText(Object args[], int numArgs) {
+  state->setTextMat(1, 0, 0, 1, 0, 0);
+  state->textMoveTo(0, 0);
+  out->updateTextMat(state);
+  out->updateTextPos(state);
+  fontChanged = gTrue;
+}
+
+void Gfx::opEndText(Object args[], int numArgs) {
+}
+
+//------------------------------------------------------------------------
+// text state operators
+//------------------------------------------------------------------------
+
+void Gfx::opSetCharSpacing(Object args[], int numArgs) {
+  state->setCharSpace(args[0].getNum());
+  out->updateCharSpace(state);
+}
+
+void Gfx::opSetFont(Object args[], int numArgs) {
+  GfxFont *font;
+
+  if (!(font = res->lookupFont(args[0].getName()))) {
+    return;
+  }
+  if (printCommands) {
+    printf("  font: '%s' %g\n",
+	   font->getName() ? font->getName()->getCString() : "???",
+	   args[1].getNum());
+    fflush(stdout);
+  }
+  state->setFont(font, args[1].getNum());
+  fontChanged = gTrue;
+}
+
+void Gfx::opSetTextLeading(Object args[], int numArgs) {
+  state->setLeading(args[0].getNum());
+}
+
+void Gfx::opSetTextRender(Object args[], int numArgs) {
+  state->setRender(args[0].getInt());
+  out->updateRender(state);
+}
+
+void Gfx::opSetTextRise(Object args[], int numArgs) {
+  state->setRise(args[0].getNum());
+  out->updateRise(state);
+}
+
+void Gfx::opSetWordSpacing(Object args[], int numArgs) {
+  state->setWordSpace(args[0].getNum());
+  out->updateWordSpace(state);
+}
+
+void Gfx::opSetHorizScaling(Object args[], int numArgs) {
+  state->setHorizScaling(args[0].getNum());
+  out->updateHorizScaling(state);
+  fontChanged = gTrue;
+}
+
+//------------------------------------------------------------------------
+// text positioning operators
+//------------------------------------------------------------------------
+
+void Gfx::opTextMove(Object args[], int numArgs) {
+  double tx, ty;
+
+  tx = state->getLineX() + args[0].getNum();
+  ty = state->getLineY() + args[1].getNum();
+  state->textMoveTo(tx, ty);
+  out->updateTextPos(state);
+}
+
+void Gfx::opTextMoveSet(Object args[], int numArgs) {
+  double tx, ty;
+
+  tx = state->getLineX() + args[0].getNum();
+  ty = args[1].getNum();
+  state->setLeading(-ty);
+  ty += state->getLineY();
+  state->textMoveTo(tx, ty);
+  out->updateTextPos(state);
+}
+
+void Gfx::opSetTextMatrix(Object args[], int numArgs) {
+  state->setTextMat(args[0].getNum(), args[1].getNum(),
+		    args[2].getNum(), args[3].getNum(),
+		    args[4].getNum(), args[5].getNum());
+  state->textMoveTo(0, 0);
+  out->updateTextMat(state);
+  out->updateTextPos(state);
+  fontChanged = gTrue;
+}
+
+void Gfx::opTextNextLine(Object args[], int numArgs) {
+  double tx, ty;
+
+  tx = state->getLineX();
+  ty = state->getLineY() - state->getLeading();
+  state->textMoveTo(tx, ty);
+  out->updateTextPos(state);
+}
+
+//------------------------------------------------------------------------
+// text string operators
+//------------------------------------------------------------------------
+
+void Gfx::opShowText(Object args[], int numArgs) {
+  if (!state->getFont()) {
+    error(getPos(), "No font in show");
+    return;
+  }
+  doShowText(args[0].getString());
+}
+
+void Gfx::opMoveShowText(Object args[], int numArgs) {
+  double tx, ty;
+
+  if (!state->getFont()) {
+    error(getPos(), "No font in move/show");
+    return;
+  }
+  tx = state->getLineX();
+  ty = state->getLineY() - state->getLeading();
+  state->textMoveTo(tx, ty);
+  out->updateTextPos(state);
+  doShowText(args[0].getString());
+}
+
+void Gfx::opMoveSetShowText(Object args[], int numArgs) {
+  double tx, ty;
+
+  if (!state->getFont()) {
+    error(getPos(), "No font in move/set/show");
+    return;
+  }
+  state->setWordSpace(args[0].getNum());
+  state->setCharSpace(args[1].getNum());
+  tx = state->getLineX();
+  ty = state->getLineY() - state->getLeading();
+  state->textMoveTo(tx, ty);
+  out->updateWordSpace(state);
+  out->updateCharSpace(state);
+  out->updateTextPos(state);
+  doShowText(args[2].getString());
+}
+
+void Gfx::opShowSpaceText(Object args[], int numArgs) {
+  Array *a;
+  Object obj;
+  int i;
+
+  if (!state->getFont()) {
+    error(getPos(), "No font in show/space");
+    return;
+  }
+  a = args[0].getArray();
+  for (i = 0; i < a->getLength(); ++i) {
+    a->get(i, &obj);
+    if (obj.isNum()) {
+      state->textShift(-obj.getNum() * 0.001 * state->getFontSize());
+      out->updateTextShift(state, obj.getNum());
+    } else if (obj.isString()) {
+      doShowText(obj.getString());
+    } else {
+      error(getPos(), "Element of show/space array must be number or string");
+    }
+    obj.free();
+  }
+}
+
+void Gfx::doShowText(GString *s) {
+  GfxFont *font;
+  GfxFontEncoding16 *enc;
+  Guchar *p;
+  Guchar c8;
+  int c16;
+  GString *s16;
+  char s16a[2];
+  int m, n;
+#if 1 //~type3
+  double dx, dy, width, height, w, h, x, y;
+  double oldCTM[6], newCTM[6];
+  double *mat;
+  Object charProc;
+  Parser *oldParser;
+  int i;
+#else
+  double dx, dy, width, height, w, h;
+#endif
+  double sWidth, sHeight;
+
+  if (fontChanged) {
+    out->updateFont(state);
+    fontChanged = gFalse;
+  }
+  font = state->getFont();
+
+  //----- 16-bit font
+  if (font->is16Bit()) {
+    enc = font->getEncoding16();
+    if (out->useDrawChar()) {
+      out->beginString(state, s);
+      s16 = NULL;
+    } else {
+      s16 = new GString();
+    }
+    sWidth = sHeight = 0;
+    state->textTransformDelta(0, state->getRise(), &dx, &dy);
+    p = (Guchar *)s->getCString();
+    n = s->getLength();
+    while (n > 0) {
+      m = getNextChar16(enc, p, &c16);
+      if (enc->wMode == 0) {
+	width = state->getFontSize() * font->getWidth16(c16) +
+	        state->getCharSpace();
+	if (m == 1 && c16 == ' ') {
+	  width += state->getWordSpace();
+	}
+	width *= state->getHorizScaling();
+	height = 0;
+      } else {
+	width = 0;
+	height = state->getFontSize() * font->getHeight16(c16);
+      }
+      state->textTransformDelta(width, height, &w, &h);
+      if (out->useDrawChar()) {
+	out->drawChar16(state, state->getCurX() + dx, state->getCurY() + dy,
+			w, h, c16);
+	state->textShift(width, height);
+      } else {
+	s16a[0] = (char)(c16 >> 8);
+	s16a[1] = (char)c16;
+	s16->append(s16a, 2);
+	sWidth += w;
+	sHeight += h;
+      }
+      n -= m;
+      p += m;
+    }
+    if (out->useDrawChar()) {
+      out->endString(state);
+    } else {
+      out->drawString16(state, s16);
+      delete s16;
+      state->textShift(sWidth, sHeight);
+    }
+
+  //----- 8-bit font
+  } else {
+#if 1 //~type3
+    //~ also check out->renderType3()
+    if (font->getType() == fontType3) {
+      out->beginString(state, s);
+      mat = state->getCTM();
+      for (i = 0; i < 6; ++i) {
+	oldCTM[i] = mat[i];
+      }
+      mat = state->getTextMat();
+      newCTM[0] = mat[0] * oldCTM[0] + mat[1] * oldCTM[2];
+      newCTM[1] = mat[0] * oldCTM[1] + mat[1] * oldCTM[3];
+      newCTM[2] = mat[2] * oldCTM[0] + mat[3] * oldCTM[2];
+      newCTM[3] = mat[2] * oldCTM[1] + mat[3] * oldCTM[3];
+      mat = font->getFontMatrix();
+      newCTM[0] = mat[0] * newCTM[0] + mat[1] * newCTM[2];
+      newCTM[1] = mat[0] * newCTM[1] + mat[1] * newCTM[3];
+      newCTM[2] = mat[2] * newCTM[0] + mat[3] * newCTM[2];
+      newCTM[3] = mat[2] * newCTM[1] + mat[3] * newCTM[3];
+      newCTM[0] *= state->getFontSize();
+      newCTM[3] *= state->getFontSize();
+      newCTM[0] *= state->getHorizScaling();
+      newCTM[2] *= state->getHorizScaling();
+      state->textTransformDelta(0, state->getRise(), &dx, &dy);
+      oldParser = parser;
+      for (p = (Guchar *)s->getCString(), n = s->getLength(); n; ++p, --n) {
+	c8 = *p;
+	font->getCharProc(c8, &charProc);
+	state->transform(state->getCurX() + dx, state->getCurY() + dy, &x, &y);
+	out->saveState(state);
+	state = state->save();
+	state->setCTM(newCTM[0], newCTM[1], newCTM[2], newCTM[3], x, y);
+	//~ out->updateCTM(???)
+	if (charProc.isStream()) {
+	  display(&charProc, gFalse);
+	} else {
+	  error(getPos(), "Missing or bad Type3 CharProc entry");
+	}
+	state = state->restore();
+	out->restoreState(state);
+	charProc.free();
+	width = state->getFontSize() * font->getWidth(c8) +
+	        state->getCharSpace();
+	if (c8 == ' ') {
+	  width += state->getWordSpace();
+	}
+	width *= state->getHorizScaling();
+	state->textShift(width);
+      }
+      parser = oldParser;
+      out->endString(state);
+    } else
+#endif
+    if (out->useDrawChar()) {
+      out->beginString(state, s);
+      state->textTransformDelta(0, state->getRise(), &dx, &dy);
+      for (p = (Guchar *)s->getCString(), n = s->getLength(); n; ++p, --n) {
+	c8 = *p;
+	width = state->getFontSize() * font->getWidth(c8) +
+	        state->getCharSpace();
+	if (c8 == ' ') {
+	  width += state->getWordSpace();
+	}
+	width *= state->getHorizScaling();
+	state->textTransformDelta(width, 0, &w, &h);
+	out->drawChar(state, state->getCurX() + dx, state->getCurY() + dy,
+		      w, h, c8);
+	state->textShift(width);
+      }
+      out->endString(state);
+    } else {
+      out->drawString(state, s);
+      width = state->getFontSize() * font->getWidth(s) +
+	      s->getLength() * state->getCharSpace();
+      for (p = (Guchar *)s->getCString(), n = s->getLength(); n; ++p, --n) {
+	if (*p == ' ') {
+	  width += state->getWordSpace();
+	}
+      }
+      width *= state->getHorizScaling();
+      state->textShift(width);
+    }
+  }
+}
+
+int Gfx::getNextChar16(GfxFontEncoding16 *enc, Guchar *p, int *c16) {
+  int n;
+  int code;
+  int a, b, m;
+
+  n = enc->codeLen[*p];
+  if (n == 1) {
+    *c16 = enc->map1[*p];
+  } else {
+    code = (p[0] << 8) + p[1];
+    a = 0;
+    b = enc->map2Len;
+    // invariant: map2[2*a] <= code < map2[2*b]
+    while (b - a > 1) {
+      m = (a + b) / 2;
+      if (enc->map2[2*m] <= code)
+	a = m;
+      else if (enc->map2[2*m] > code)
+	b = m;
+      else
+	break;
+    }
+    *c16 = enc->map2[2*a+1] + (code - enc->map2[2*a]);
+  }
+  return n;
+}
+
+//------------------------------------------------------------------------
+// XObject operators
+//------------------------------------------------------------------------
+
+void Gfx::opXObject(Object args[], int numArgs) {
+  Object obj1, obj2, refObj;
+#if OPI_SUPPORT
+  Object opiDict;
+#endif
+
+  if (!res->lookupXObject(args[0].getName(), &obj1)) {
+    return;
+  }
+  if (!obj1.isStream()) {
+    error(getPos(), "XObject '%s' is wrong type", args[0].getName());
+    obj1.free();
+    return;
+  }
+#if OPI_SUPPORT
+  obj1.streamGetDict()->lookup("OPI", &opiDict);
+  if (opiDict.isDict()) {
+    out->opiBegin(state, opiDict.getDict());
+  }
+#endif
+  obj1.streamGetDict()->lookup("Subtype", &obj2);
+  if (obj2.isName("Image")) {
+    res->lookupXObjectNF(args[0].getName(), &refObj);
+    doImage(&refObj, obj1.getStream(), gFalse);
+    refObj.free();
+  } else if (obj2.isName("Form")) {
+    doForm(&obj1);
+  } else if (obj2.isName()) {
+    error(getPos(), "Unknown XObject subtype '%s'", obj2.getName());
+  } else {
+    error(getPos(), "XObject subtype is missing or wrong type");
+  }
+  obj2.free();
+#if OPI_SUPPORT
+  if (opiDict.isDict()) {
+    out->opiEnd(state, opiDict.getDict());
+  }
+  opiDict.free();
+#endif
+  obj1.free();
+}
+
+void Gfx::doImage(Object *ref, Stream *str, GBool inlineImg) {
+  Dict *dict;
+  int width, height;
+  int bits;
+  GBool mask;
+  GBool invert;
+  GfxColorSpace *colorSpace;
+  GfxImageColorMap *colorMap;
+  Object maskObj;
+  GBool haveMask;
+  int maskColors[2*gfxColorMaxComps];
+  Object obj1, obj2;
+  int i;
+
+  // get stream dict
+  dict = str->getDict();
+
+  // get size
+  dict->lookup("Width", &obj1);
+  if (obj1.isNull()) {
+    obj1.free();
+    dict->lookup("W", &obj1);
+  }
+  if (!obj1.isInt())
+    goto err2;
+  width = obj1.getInt();
+  obj1.free();
+  dict->lookup("Height", &obj1);
+  if (obj1.isNull()) {
+    obj1.free();
+    dict->lookup("H", &obj1);
+  }
+  if (!obj1.isInt())
+    goto err2;
+  height = obj1.getInt();
+  obj1.free();
+
+  // image or mask?
+  dict->lookup("ImageMask", &obj1);
+  if (obj1.isNull()) {
+    obj1.free();
+    dict->lookup("IM", &obj1);
+  }
+  mask = gFalse;
+  if (obj1.isBool())
+    mask = obj1.getBool();
+  else if (!obj1.isNull())
+    goto err2;
+  obj1.free();
+
+  // bit depth
+  dict->lookup("BitsPerComponent", &obj1);
+  if (obj1.isNull()) {
+    obj1.free();
+    dict->lookup("BPC", &obj1);
+  }
+  if (!obj1.isInt())
+    goto err2;
+  bits = obj1.getInt();
+  obj1.free();
+
+  // display a mask
+  if (mask) {
+
+    // check for inverted mask
+    if (bits != 1)
+      goto err1;
+    invert = gFalse;
+    dict->lookup("Decode", &obj1);
+    if (obj1.isNull()) {
+      obj1.free();
+      dict->lookup("D", &obj1);
+    }
+    if (obj1.isArray()) {
+      obj1.arrayGet(0, &obj2);
+      if (obj2.isInt() && obj2.getInt() == 1)
+	invert = gTrue;
+      obj2.free();
+    } else if (!obj1.isNull()) {
+      goto err2;
+    }
+    obj1.free();
+
+    // draw it
+    out->drawImageMask(state, ref, str, width, height, invert, inlineImg);
+
+  } else {
+
+    // get color space and color map
+    dict->lookup("ColorSpace", &obj1);
+    if (obj1.isNull()) {
+      obj1.free();
+      dict->lookup("CS", &obj1);
+    }
+    if (obj1.isName()) {
+      res->lookupColorSpace(obj1.getName(), &obj2);
+      if (!obj2.isNull()) {
+	obj1.free();
+	obj1 = obj2;
+      } else {
+	obj2.free();
+      }
+    }
+    colorSpace = GfxColorSpace::parse(&obj1);
+    obj1.free();
+    if (!colorSpace) {
+      goto err1;
+    }
+    dict->lookup("Decode", &obj1);
+    if (obj1.isNull()) {
+      obj1.free();
+      dict->lookup("D", &obj1);
+    }
+    colorMap = new GfxImageColorMap(bits, &obj1, colorSpace);
+    obj1.free();
+    if (!colorMap->isOk()) {
+      delete colorMap;
+      goto err1;
+    }
+
+    // get the mask
+    haveMask = gFalse;
+    dict->lookup("Mask", &maskObj);
+    if (maskObj.isArray()) {
+      for (i = 0; i < maskObj.arrayGetLength(); ++i) {
+	maskObj.arrayGet(i, &obj1);
+	maskColors[i] = obj1.getInt();
+	obj1.free();
+      }
+      haveMask = gTrue;
+    }
+
+    // draw it
+    out->drawImage(state, ref, str, width, height, colorMap,
+		   haveMask ? maskColors : (int *)NULL,  inlineImg);
+    delete colorMap;
+    str->close();
+
+    maskObj.free();
+  }
+
+  return;
+
+ err2:
+  obj1.free();
+ err1:
+  error(getPos(), "Bad image parameters");
+}
+
+void Gfx::doForm(Object *str) {
+  Dict *dict;
+  Object matrixObj, bboxObj;
+  double m[6], bbox[6];
+  Object resObj;
+  Dict *resDict;
+  Object obj1;
+  int i;
+
+  // get stream dict
+  dict = str->streamGetDict();
+
+  // check form type
+  dict->lookup("FormType", &obj1);
+  if (!(obj1.isInt() && obj1.getInt() == 1)) {
+    error(getPos(), "Unknown form type");
+  }
+  obj1.free();
+
+  // get bounding box
+  dict->lookup("BBox", &bboxObj);
+  if (!bboxObj.isArray()) {
+    matrixObj.free();
+    bboxObj.free();
+    error(getPos(), "Bad form bounding box");
+    return;
+  }
+  for (i = 0; i < 4; ++i) {
+    bboxObj.arrayGet(i, &obj1);
+    bbox[i] = obj1.getNum();
+    obj1.free();
+  }
+  bboxObj.free();
+
+  // get matrix
+  dict->lookup("Matrix", &matrixObj);
+  if (matrixObj.isArray()) {
+    for (i = 0; i < 6; ++i) {
+      matrixObj.arrayGet(i, &obj1);
+      m[i] = obj1.getNum();
+      obj1.free();
+    }
+  } else {
+    m[0] = 1; m[1] = 0;
+    m[2] = 0; m[3] = 1;
+    m[4] = 0; m[5] = 0;
+  }
+  matrixObj.free();
+
+  // get resources
+  dict->lookup("Resources", &resObj);
+  resDict = resObj.isDict() ? resObj.getDict() : (Dict *)NULL;
+
+  // draw it
+  doForm1(str, resDict, m, bbox);
+
+  resObj.free();
+}
+
+void Gfx::doWidgetForm(Object *str, double xMin, double yMin,
+		       double xMax, double yMax) {
+  Dict *dict, *resDict;
+  Object matrixObj, bboxObj, resObj;
+  Object obj1;
+  double m[6], bbox[6];
+  double sx, sy;
+  int i;
+
+  // get stream dict
+  dict = str->streamGetDict();
+
+  // get bounding box
+  dict->lookup("BBox", &bboxObj);
+  if (!bboxObj.isArray()) {
+    bboxObj.free();
+    error(getPos(), "Bad form bounding box");
+    return;
+  }
+  for (i = 0; i < 4; ++i) {
+    bboxObj.arrayGet(i, &obj1);
+    bbox[i] = obj1.getNum();
+    obj1.free();
+  }
+  bboxObj.free();
+
+  // get matrix
+  dict->lookup("Matrix", &matrixObj);
+  if (matrixObj.isArray()) {
+    for (i = 0; i < 6; ++i) {
+      matrixObj.arrayGet(i, &obj1);
+      m[i] = obj1.getNum();
+      obj1.free();
+    }
+  } else {
+    m[0] = 1; m[1] = 0;
+    m[2] = 0; m[3] = 1;
+    m[4] = 0; m[5] = 0;
+  }
+  matrixObj.free();
+
+  // scale form bbox to widget rectangle
+  sx = fabs((xMax - xMin) / (bbox[2] - bbox[0]));
+  sy = fabs((yMax - yMin) / (bbox[3] - bbox[1]));
+  m[0] *= sx;  m[1] *= sy;
+  m[2] *= sx;  m[3] *= sy;
+  m[4] *= sx;  m[5] *= sy;
+
+  // translate to widget rectangle
+  m[4] += xMin;
+  m[5] += yMin;
+
+  // get resources
+  dict->lookup("Resources", &resObj);
+  resDict = resObj.isDict() ? resObj.getDict() : (Dict *)NULL;
+
+  // draw it
+  doForm1(str, resDict, m, bbox);
+
+  resObj.free();
+  bboxObj.free();
+}
+
+void Gfx::doForm1(Object *str, Dict *resDict, double *matrix, double *bbox) {
+  Parser *oldParser;
+  double oldBaseMatrix[6];
+  GfxResources *resPtr;
+  int i;
+
+  // push new resources on stack
+  res = new GfxResources(xref, resDict, res);
+
+  // save current graphics state
+  out->saveState(state);
+  state = state->save();
+
+  // save current parser
+  oldParser = parser;
+
+  // set form transformation matrix
+  state->concatCTM(matrix[0], matrix[1], matrix[2],
+		   matrix[3], matrix[4], matrix[5]);
+  out->updateCTM(state, matrix[0], matrix[1], matrix[2],
+		 matrix[3], matrix[4], matrix[5]);
+
+  // set new base matrix
+  for (i = 0; i < 6; ++i) {
+    oldBaseMatrix[i] = baseMatrix[i];
+    baseMatrix[i] = state->getCTM()[i];
+  }
+
+  // set form bounding box
+  state->moveTo(bbox[0], bbox[1]);
+  state->lineTo(bbox[2], bbox[1]);
+  state->lineTo(bbox[2], bbox[3]);
+  state->lineTo(bbox[0], bbox[3]);
+  state->closePath();
+  state->clip();
+  out->clip(state);
+  state->clearPath();
+
+  // draw the form
+  display(str, gFalse);
+
+  // restore base matrix
+  for (i = 0; i < 6; ++i) {
+    baseMatrix[i] = oldBaseMatrix[i];
+  }
+
+  // restore parser
+  parser = oldParser;
+
+  // restore graphics state
+  state = state->restore();
+  out->restoreState(state);
+
+  // pop resource stack
+  resPtr = res->getNext();
+  delete res;
+  res = resPtr;
+
+  return;
+}
+
+//------------------------------------------------------------------------
+// in-line image operators
+//------------------------------------------------------------------------
+
+void Gfx::opBeginImage(Object args[], int numArgs) {
+  Stream *str;
+  int c1, c2;
+
+  // build dict/stream
+  str = buildImageStream();
+
+  // display the image
+  if (str) {
+    doImage(NULL, str, gTrue);
+  
+    // skip 'EI' tag
+    c1 = str->getBaseStream()->getChar();
+    c2 = str->getBaseStream()->getChar();
+    while (!(c1 == 'E' && c2 == 'I') && c2 != EOF) {
+      c1 = c2;
+      c2 = str->getBaseStream()->getChar();
+    }
+    delete str;
+  }
+}
+
+Stream *Gfx::buildImageStream() {
+  Object dict;
+  Object obj;
+  char *key;
+  Stream *str;
+
+  // build dictionary
+  dict.initDict(xref);
+  parser->getObj(&obj);
+  while (!obj.isCmd("ID") && !obj.isEOF()) {
+    if (!obj.isName()) {
+      error(getPos(), "Inline image dictionary key must be a name object");
+      obj.free();
+      parser->getObj(&obj);
+    } else {
+      key = copyString(obj.getName());
+      obj.free();
+      parser->getObj(&obj);
+      if (obj.isEOF() || obj.isError())
+	break;
+      dict.dictAdd(key, &obj);
+    }
+    parser->getObj(&obj);
+  }
+  if (obj.isEOF())
+    error(getPos(), "End of file in inline image");
+  obj.free();
+
+  // make stream
+  str = new EmbedStream(parser->getStream(), &dict);
+  str = str->addFilters(&dict);
+
+  return str;
+}
+
+void Gfx::opImageData(Object args[], int numArgs) {
+  error(getPos(), "Internal: got 'ID' operator");
+}
+
+void Gfx::opEndImage(Object args[], int numArgs) {
+  error(getPos(), "Internal: got 'EI' operator");
+}
+
+//------------------------------------------------------------------------
+// type 3 font operators
+//------------------------------------------------------------------------
+
+void Gfx::opSetCharWidth(Object args[], int numArgs) {
+//  error(getPos(), "Encountered 'd0' operator in content stream");
+}
+
+void Gfx::opSetCacheDevice(Object args[], int numArgs) {
+//  error(getPos(), "Encountered 'd1' operator in content stream");
+}
+
+//------------------------------------------------------------------------
+// compatibility operators
+//------------------------------------------------------------------------
+
+void Gfx::opBeginIgnoreUndef(Object args[], int numArgs) {
+  ++ignoreUndef;
+}
+
+void Gfx::opEndIgnoreUndef(Object args[], int numArgs) {
+  if (ignoreUndef > 0)
+    --ignoreUndef;
+}
+
+//------------------------------------------------------------------------
+// marked content operators
+//------------------------------------------------------------------------
+
+void Gfx::opBeginMarkedContent(Object args[], int numArgs) {
+  if (printCommands) {
+    printf("  marked content: %s ", args[0].getName());
+    if (numArgs == 2)
+      args[2].print(stdout);
+    printf("\n");
+    fflush(stdout);
+  }
+}
+
+void Gfx::opEndMarkedContent(Object args[], int numArgs) {
+}
+
+void Gfx::opMarkPoint(Object args[], int numArgs) {
+  if (printCommands) {
+    printf("  mark point: %s ", args[0].getName());
+    if (numArgs == 2)
+      args[2].print(stdout);
+    printf("\n");
+    fflush(stdout);
+  }
+}
diff --git a/pdftops/Gfx.h b/pdftops/Gfx.h
new file mode 100644
index 000000000..24e124697
--- /dev/null
+++ b/pdftops/Gfx.h
@@ -0,0 +1,242 @@
+//========================================================================
+//
+// Gfx.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef GFX_H
+#define GFX_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+
+class GString;
+class XRef;
+class Array;
+class Stream;
+class Parser;
+class Dict;
+class OutputDev;
+class GfxFontDict;
+class GfxFont;
+struct GfxFontEncoding16;
+class GfxPattern;
+class GfxShading;
+class GfxAxialShading;
+class GfxState;
+class Gfx;
+struct PDFRectangle;
+
+//------------------------------------------------------------------------
+// Gfx
+//------------------------------------------------------------------------
+
+enum GfxClipType {
+  clipNone,
+  clipNormal,
+  clipEO
+};
+
+enum TchkType {
+  tchkBool,			// boolean
+  tchkInt,			// integer
+  tchkNum,			// number (integer or real)
+  tchkString,			// string
+  tchkName,			// name
+  tchkArray,			// array
+  tchkProps,			// properties (dictionary or name)
+  tchkSCN,			// scn/SCN args (number of name)
+  tchkNone			// used to avoid empty initializer lists
+};
+
+#define maxArgs 8
+
+struct Operator {
+  char name[4];
+  int numArgs;
+  TchkType tchk[maxArgs];
+  void (Gfx::*func)(Object args[], int numArgs);
+};
+
+class GfxResources {
+public:
+
+  GfxResources(XRef *xref, Dict *resDict, GfxResources *nextA);
+  ~GfxResources();
+
+  GfxFont *lookupFont(char *name);
+  GBool lookupXObject(char *name, Object *obj);
+  GBool lookupXObjectNF(char *name, Object *obj);
+  void lookupColorSpace(char *name, Object *obj);
+  GfxPattern *lookupPattern(char *name);
+  GfxShading *lookupShading(char *name);
+  GBool lookupGState(char *name, Object *obj);
+
+  GfxResources *getNext() { return next; }
+
+private:
+
+  GfxFontDict *fonts;
+  Object xObjDict;
+  Object colorSpaceDict;
+  Object patternDict;
+  Object shadingDict;
+  Object gStateDict;
+  GfxResources *next;
+};
+
+class Gfx {
+public:
+
+  // Constructor for regular output.
+  Gfx(XRef *xrefA, OutputDev *outA, int pageNum, Dict *resDict, double dpi,
+      PDFRectangle *box, GBool crop, PDFRectangle *cropBox, int rotate,
+      GBool printCommandsA);
+
+  // Destructor.
+  ~Gfx();
+
+  // Interpret a stream or array of streams.
+  void display(Object *obj, GBool topLevel = gTrue);
+
+  void doWidgetForm(Object *str, double xMin, double yMin,
+		    double xMax, double yMax);
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  OutputDev *out;		// output device
+  GBool printCommands;		// print the drawing commands (for debugging)
+  GfxResources *res;		// resource stack
+
+  GfxState *state;		// current graphics state
+  GBool fontChanged;		// set if font or text matrix has changed
+  GfxClipType clip;		// do a clip?
+  int ignoreUndef;		// current BX/EX nesting level
+  double baseMatrix[6];		// default matrix for most recent
+				//   page/form/pattern
+
+  Parser *parser;		// parser for page content stream(s)
+
+  static Operator opTab[];	// table of operators
+
+  void go(GBool topLevel);
+  void execOp(Object *cmd, Object args[], int numArgs);
+  Operator *findOp(char *name);
+  GBool checkArg(Object *arg, TchkType type);
+  int getPos();
+
+  // graphics state operators
+  void opSave(Object args[], int numArgs);
+  void opRestore(Object args[], int numArgs);
+  void opConcat(Object args[], int numArgs);
+  void opSetDash(Object args[], int numArgs);
+  void opSetFlat(Object args[], int numArgs);
+  void opSetLineJoin(Object args[], int numArgs);
+  void opSetLineCap(Object args[], int numArgs);
+  void opSetMiterLimit(Object args[], int numArgs);
+  void opSetLineWidth(Object args[], int numArgs);
+  void opSetExtGState(Object args[], int numArgs);
+  void opSetRenderingIntent(Object args[], int numArgs);
+
+  // color operators
+  void opSetFillGray(Object args[], int numArgs);
+  void opSetStrokeGray(Object args[], int numArgs);
+  void opSetFillCMYKColor(Object args[], int numArgs);
+  void opSetStrokeCMYKColor(Object args[], int numArgs);
+  void opSetFillRGBColor(Object args[], int numArgs);
+  void opSetStrokeRGBColor(Object args[], int numArgs);
+  void opSetFillColorSpace(Object args[], int numArgs);
+  void opSetStrokeColorSpace(Object args[], int numArgs);
+  void opSetFillColor(Object args[], int numArgs);
+  void opSetStrokeColor(Object args[], int numArgs);
+  void opSetFillColorN(Object args[], int numArgs);
+  void opSetStrokeColorN(Object args[], int numArgs);
+
+  // path segment operators
+  void opMoveTo(Object args[], int numArgs);
+  void opLineTo(Object args[], int numArgs);
+  void opCurveTo(Object args[], int numArgs);
+  void opCurveTo1(Object args[], int numArgs);
+  void opCurveTo2(Object args[], int numArgs);
+  void opRectangle(Object args[], int numArgs);
+  void opClosePath(Object args[], int numArgs);
+
+  // path painting operators
+  void opEndPath(Object args[], int numArgs);
+  void opStroke(Object args[], int numArgs);
+  void opCloseStroke(Object args[], int numArgs);
+  void opFill(Object args[], int numArgs);
+  void opEOFill(Object args[], int numArgs);
+  void opFillStroke(Object args[], int numArgs);
+  void opCloseFillStroke(Object args[], int numArgs);
+  void opEOFillStroke(Object args[], int numArgs);
+  void opCloseEOFillStroke(Object args[], int numArgs);
+  void doPatternFill(GBool eoFill);
+  void opShFill(Object args[], int numArgs);
+  void doAxialShFill(GfxAxialShading *shading);
+  void doEndPath();
+
+  // path clipping operators
+  void opClip(Object args[], int numArgs);
+  void opEOClip(Object args[], int numArgs);
+
+  // text object operators
+  void opBeginText(Object args[], int numArgs);
+  void opEndText(Object args[], int numArgs);
+
+  // text state operators
+  void opSetCharSpacing(Object args[], int numArgs);
+  void opSetFont(Object args[], int numArgs);
+  void opSetTextLeading(Object args[], int numArgs);
+  void opSetTextRender(Object args[], int numArgs);
+  void opSetTextRise(Object args[], int numArgs);
+  void opSetWordSpacing(Object args[], int numArgs);
+  void opSetHorizScaling(Object args[], int numArgs);
+
+  // text positioning operators
+  void opTextMove(Object args[], int numArgs);
+  void opTextMoveSet(Object args[], int numArgs);
+  void opSetTextMatrix(Object args[], int numArgs);
+  void opTextNextLine(Object args[], int numArgs);
+
+  // text string operators
+  void opShowText(Object args[], int numArgs);
+  void opMoveShowText(Object args[], int numArgs);
+  void opMoveSetShowText(Object args[], int numArgs);
+  void opShowSpaceText(Object args[], int numArgs);
+  void doShowText(GString *s);
+  int getNextChar16(GfxFontEncoding16 *enc, Guchar *p, int *c16);
+
+  // XObject operators
+  void opXObject(Object args[], int numArgs);
+  void doImage(Object *ref, Stream *str, GBool inlineImg);
+  void doForm(Object *str);
+  void doForm1(Object *str, Dict *resDict, double *matrix, double *bbox);
+
+  // in-line image operators
+  void opBeginImage(Object args[], int numArgs);
+  Stream *buildImageStream();
+  void opImageData(Object args[], int numArgs);
+  void opEndImage(Object args[], int numArgs);
+
+  // type 3 font operators
+  void opSetCharWidth(Object args[], int numArgs);
+  void opSetCacheDevice(Object args[], int numArgs);
+
+  // compatibility operators
+  void opBeginIgnoreUndef(Object args[], int numArgs);
+  void opEndIgnoreUndef(Object args[], int numArgs);
+
+  // marked content operators
+  void opBeginMarkedContent(Object args[], int numArgs);
+  void opEndMarkedContent(Object args[], int numArgs);
+  void opMarkPoint(Object args[], int numArgs);
+};
+
+#endif
diff --git a/pdftops/GfxFont.cxx b/pdftops/GfxFont.cxx
new file mode 100644
index 000000000..96b802e14
--- /dev/null
+++ b/pdftops/GfxFont.cxx
@@ -0,0 +1,1081 @@
+//========================================================================
+//
+// GfxFont.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "GString.h"
+#include "gmem.h"
+#include "gfile.h"
+#include "config.h"
+#include "Object.h"
+#include "Array.h"
+#include "Dict.h"
+#include "Error.h"
+#include "Params.h"
+#include "FontFile.h"
+#include "GfxFont.h"
+
+#include "FontInfo.h"
+#if JAPANESE_SUPPORT
+#include "Japan12CMapInfo.h"
+#endif
+#if CHINESE_GB_SUPPORT
+#include "GB12CMapInfo.h"
+#endif
+#if CHINESE_CNS_SUPPORT
+#include "CNS13CMapInfo.h"
+#endif
+
+//------------------------------------------------------------------------
+
+extern "C" {
+static int CDECL cmpWidthExcep(const void *w1, const void *w2);
+static int CDECL cmpWidthExcepV(const void *w1, const void *w2);
+}
+
+//------------------------------------------------------------------------
+
+static Gushort *defCharWidths[12] = {
+  courierWidths,
+  courierObliqueWidths,
+  courierBoldWidths,
+  courierBoldObliqueWidths,
+  helveticaWidths,
+  helveticaObliqueWidths,
+  helveticaBoldWidths,
+  helveticaBoldObliqueWidths,
+  timesRomanWidths,
+  timesItalicWidths,
+  timesBoldWidths,
+  timesBoldItalicWidths
+};
+
+//------------------------------------------------------------------------
+// GfxFont
+//------------------------------------------------------------------------
+
+GfxFont::GfxFont(XRef *xref, char *tagA, Ref idA, Dict *fontDict) {
+  BuiltinFont *builtinFont;
+  Object obj1, obj2, obj3, obj4;
+  int missingWidth;
+  char *name2, *p;
+  int i;
+
+  // get font tag and ID
+  tag = new GString(tagA);
+  id = idA;
+
+  // get font type
+  type = fontUnknownType;
+  fontDict->lookup("Subtype", &obj1);
+  if (obj1.isName("Type1"))
+    type = fontType1;
+  else if (obj1.isName("Type1C"))
+    type = fontType1C;
+  else if (obj1.isName("Type3"))
+    type = fontType3;
+  else if (obj1.isName("TrueType"))
+    type = fontTrueType;
+  else if (obj1.isName("Type0"))
+    type = fontType0;
+  obj1.free();
+  is16 = gFalse;
+
+  // get base font name
+  name = NULL;
+  fontDict->lookup("BaseFont", &obj1);
+  if (obj1.isName())
+    name = new GString(obj1.getName());
+  obj1.free();
+
+  // Newer Adobe tools are using Base14-compatible TrueType fonts
+  // without embedding them, so munge the names into the equivalent
+  // PostScript names.  This is a kludge -- it would be nice if Adobe
+  // followed their own spec.
+  if (type == fontTrueType && name) {
+    p = name->getCString();
+    name2 = NULL;
+    if (!strncmp(p, "Arial", 5)) {
+      if (!strcmp(p+5, ",Bold")) {
+	name2 = "Helvetica-Bold";
+      } else if (!strcmp(p+5, ",Italic")) {
+	name2 = "Helvetica-Oblique";
+      } else if (!strcmp(p+5, ",BoldItalic")) {
+	name2 = "Helvetica-BoldOblique";
+      } else {
+	name2 = "Helvetica";
+      }
+    } else if (!strncmp(p, "TimesNewRoman", 13)) {
+      if (!strcmp(p+13, ",Bold")) {
+	name2 = "Times-Bold";
+      } else if (!strcmp(p+13, ",Italic")) {
+	name2 = "Times-Italic";
+      } else if (!strcmp(p+13, ",BoldItalic")) {
+	name2 = "Times-BoldItalic";
+      } else {
+	name2 = "Times-Roman";
+      }
+    } else if (!strncmp(p, "CourierNew", 10)) {
+      if (!strcmp(p+10, ",Bold")) {
+	name2 = "Courier-Bold";
+      } else if (!strcmp(p+10, ",Italic")) {
+	name2 = "Courier-Oblique";
+      } else if (!strcmp(p+10, ",BoldItalic")) {
+	name2 = "Courier-BoldOblique";
+      } else {
+	name2 = "Courier";
+      }
+    }
+    if (name2) {
+      delete name;
+      name = new GString(name2);
+    }
+  }
+
+  // is it a built-in font?
+  builtinFont = NULL;
+  if (name) {
+    for (i = 0; i < numBuiltinFonts; ++i) {
+      if (!strcmp(builtinFonts[i].name, name->getCString())) {
+	builtinFont = &builtinFonts[i];
+	break;
+      }
+    }
+  }
+
+  // assume Times-Roman by default (for substitution purposes)
+  flags = fontSerif;
+
+  // default ascent/descent values
+  if (builtinFont) {
+    ascent = 0.001 * builtinFont->ascent;
+    descent = 0.001 * builtinFont->descent;
+  } else {
+    ascent = 0.95;
+    descent = -0.35;
+  }
+
+  // get info from font descriptor
+  embFontName = NULL;
+  embFontID.num = -1;
+  embFontID.gen = -1;
+  missingWidth = 0;
+  if (type == fontType0) {
+    fontDict->lookup("DescendantFonts", &obj2);
+    if (obj2.isArray()) {
+      obj2.arrayGet(0, &obj3);
+      if (obj3.isDict()) {
+	obj3.dictLookup("FontDescriptor", &obj1);
+      } else {
+	error(-1, "Bad descendant font in Type 0 font");
+	obj1.initNull();
+      }
+      obj3.free();
+    } else {
+      error(-1, "Missing DescendantFonts entry in Type 0 font");
+      obj1.initNull();
+    }
+    obj2.free();
+  } else {
+    fontDict->lookup("FontDescriptor", &obj1);
+  }
+  if (obj1.isDict()) {
+
+    // get flags
+    obj1.dictLookup("Flags", &obj2);
+    if (obj2.isInt())
+      flags = obj2.getInt();
+    obj2.free();
+
+    // get name
+    obj1.dictLookup("FontName", &obj2);
+    if (obj2.isName())
+      embFontName = new GString(obj2.getName());
+    obj2.free();
+
+    // look for embedded font file
+    if (type == fontType1) {
+      obj1.dictLookupNF("FontFile", &obj2);
+      if (obj2.isRef())
+	embFontID = obj2.getRef();
+      obj2.free();
+    }
+    if (embFontID.num == -1 && type == fontTrueType) {
+      obj1.dictLookupNF("FontFile2", &obj2);
+      if (obj2.isRef())
+	embFontID = obj2.getRef();
+      obj2.free();
+    }
+    if (embFontID.num == -1) {
+      obj1.dictLookupNF("FontFile3", &obj2);
+      if (obj2.isRef()) {
+	embFontID = obj2.getRef();
+	obj2.fetch(xref, &obj3);
+	if (obj3.isStream()) {
+	  obj3.streamGetDict()->lookup("Subtype", &obj4);
+	  if (obj4.isName("Type1"))
+	    type = fontType1;
+	  else if (obj4.isName("Type1C"))
+	    type = fontType1C;
+	  else if (obj4.isName("Type3"))
+	    type = fontType3;
+	  else if (obj4.isName("TrueType"))
+	    type = fontTrueType;
+	  else if (obj4.isName("Type0"))
+	    type = fontType0;
+	  obj4.free();
+	}
+	obj3.free();
+      }
+      obj2.free();
+    }
+
+    // look for MissingWidth
+    obj1.dictLookup("MissingWidth", &obj2);
+    if (obj2.isInt()) {
+      missingWidth = obj2.getInt();
+    }
+    obj2.free();
+
+    // get Ascent and Descent
+    obj1.dictLookup("Ascent", &obj2);
+    if (obj2.isNum()) {
+      ascent = 0.001 * obj2.getNum();
+    }
+    obj2.free();
+    obj1.dictLookup("Descent", &obj2);
+    if (obj2.isNum()) {
+      descent = 0.001 * obj2.getNum();
+    }
+    obj2.free();
+
+    // font FontBBox
+    fontBBox[0] = fontBBox[1] = fontBBox[2] = fontBBox[3] = 0;
+    if (obj1.dictLookup("FontBBox", &obj2)->isArray()) {
+      for (i = 0; i < 4 && i < obj2.arrayGetLength(); ++i) {
+	if (obj2.arrayGet(i, &obj3)->isNum()) {
+	  fontBBox[i] = obj3.getNum();
+	}
+	obj3.free();
+      }
+    }
+    obj2.free();
+  }
+  obj1.free();
+
+  // get Type3 font definition
+  if (type == fontType3) {
+    fontDict->lookup("CharProcs", &charProcs);
+    if (!charProcs.isDict()) {
+      error(-1, "Missing or invalid CharProcs dictionary in Type 3 font");
+      charProcs.free();
+    }
+  }
+
+  // look for an external font file
+  extFontFile = NULL;
+  if (type == fontType1 && name)
+    findExtFontFile();
+
+  // get font matrix
+  fontMat[0] = fontMat[3] = 1;
+  fontMat[1] = fontMat[2] = fontMat[4] = fontMat[5] = 0;
+  if (fontDict->lookup("FontMatrix", &obj1)->isArray()) {
+    for (i = 0; i < 6 && i < obj1.arrayGetLength(); ++i) {
+      if (obj1.arrayGet(i, &obj2)->isNum())
+	fontMat[i] = obj2.getNum();
+      obj2.free();
+    }
+  }
+  obj1.free();
+
+  // get encoding and character widths
+  if (type == fontType0) {
+    getType0EncAndWidths(fontDict);
+  } else {
+    getEncAndWidths(xref, fontDict, builtinFont, missingWidth);
+  }
+}
+
+GfxFont::~GfxFont() {
+  delete tag;
+  if (name) {
+    delete name;
+  }
+  if (!is16 && encoding) {
+    delete encoding;
+  }
+  if (embFontName) {
+    delete embFontName;
+  }
+  if (extFontFile) {
+    delete extFontFile;
+  }
+  if (charProcs.isDict()) {
+    charProcs.free();
+  }
+  if (is16) {
+    gfree(widths16.exceps);
+    gfree(widths16.excepsV);
+  }
+}
+
+double GfxFont::getWidth(GString *s) {
+  double w;
+  int i;
+
+  w = 0;
+  for (i = 0; i < s->getLength(); ++i)
+    w += widths[s->getChar(i) & 0xff];
+  return w;
+}
+
+double GfxFont::getWidth16(int c) {
+  double w;
+  int a, b, m;
+
+  w = widths16.defWidth;
+  a = -1;
+  b = widths16.numExceps;
+  // invariant: widths16.exceps[a].last < c < widths16.exceps[b].first
+  while (b - a > 1) {
+    m = (a + b) / 2;
+    if (widths16.exceps[m].last < c) {
+      a = m;
+    } else if (c < widths16.exceps[m].first) {
+      b = m;
+    } else {
+      w = widths16.exceps[m].width;
+      break;
+    }
+  }
+  return w;
+}
+
+double GfxFont::getHeight16(int c) {
+  double h;
+  int a, b, m;
+
+  h = widths16.defHeight;
+  a = -1;
+  b = widths16.numExcepsV;
+  // invariant: widths16.excepsV[a].last < c < widths16.excepsV[b].first
+  while (b - a > 1) {
+    m = (a + b) / 2;
+    if (widths16.excepsV[m].last < c) {
+      a = m;
+    } else if (c < widths16.excepsV[m].first) {
+      b = m;
+    } else {
+      h = widths16.excepsV[m].height;
+      break;
+    }
+  }
+  return h;
+}
+
+double GfxFont::getOriginX16(int c) {
+  double vx;
+  int a, b, m;
+
+  vx = widths16.defWidth / 2;
+  a = -1;
+  b = widths16.numExcepsV;
+  // invariant: widths16.excepsV[a].last < c < widths16.excepsV[b].first
+  while (b - a > 1) {
+    m = (a + b) / 2;
+    if (widths16.excepsV[m].last < c) {
+      a = m;
+    } else if (c < widths16.excepsV[m].first) {
+      b = m;
+    } else {
+      vx = widths16.excepsV[m].vx;
+      break;
+    }
+  }
+  return vx;
+}
+
+double GfxFont::getOriginY16(int c) {
+  double vy;
+  int a, b, m;
+
+  vy = widths16.defVY;
+  a = -1;
+  b = widths16.numExcepsV;
+  // invariant: widths16.excepsV[a].last < c < widths16.excepsV[b].first
+  while (b - a > 1) {
+    m = (a + b) / 2;
+    if (widths16.excepsV[m].last < c) {
+      a = m;
+    } else if (c < widths16.excepsV[m].first) {
+      b = m;
+    } else {
+      vy = widths16.excepsV[m].vy;
+      break;
+    }
+  }
+  return vy;
+}
+
+Object *GfxFont::getCharProc(int code, Object *proc) {
+  if (charProcs.isDict()) {
+    charProcs.dictLookup(encoding->getCharName(code), proc);
+  } else {
+    proc->initNull();
+  }
+  return proc;
+}
+
+void GfxFont::getEncAndWidths(XRef *xref, Dict *fontDict,
+			      BuiltinFont *builtinFont, int missingWidth) {
+  Object obj1, obj2, obj3;
+  char *buf;
+  int len;
+  FontFile *fontFile;
+  int code, i;
+
+  // Encodings start with a base encoding, which can come from
+  // (in order of priority):
+  //   1. FontDict.Encoding or FontDict.Encoding.BaseEncoding
+  //        - MacRoman / WinAnsi / Standard
+  //   2. embedded font file
+  //   3. default:
+  //        - builtin --> builtin encoding
+  //        - TrueType --> MacRomanEncoding
+  //        - others --> StandardEncoding
+  // and then add a list of differences from
+  // FontDict.Encoding.Differences.
+
+  // check FontDict for base encoding
+  encoding = NULL;
+  fontDict->lookup("Encoding", &obj1);
+  if (obj1.isDict()) {
+    obj1.dictLookup("BaseEncoding", &obj2);
+    if (obj2.isName("MacRomanEncoding")) {
+      encoding = macRomanEncoding.copy();
+    } else if (obj2.isName("WinAnsiEncoding")) {
+      encoding = winAnsiEncoding.copy();
+    } else if (obj2.isName("StandardEncoding")) {
+      encoding = standardEncoding.copy();
+    }
+    obj2.free();
+  } else if (obj1.isName("MacRomanEncoding")) {
+    encoding = macRomanEncoding.copy();
+  } else if (obj1.isName("WinAnsiEncoding")) {
+    encoding = winAnsiEncoding.copy();
+  } else if (obj1.isName("StandardEncoding")) {
+    encoding = standardEncoding.copy();
+  }
+  obj1.free();
+
+  // check embedded or external font file for base encoding
+  if ((type == fontType1 || type == fontType1C || type == fontTrueType) &&
+      (extFontFile || embFontID.num >= 0)) {
+    if (extFontFile) {
+      buf = readExtFontFile(&len);
+    } else {
+      buf = readEmbFontFile(xref, &len);
+    }
+    if (buf) {
+      if (type == fontType1) {
+	fontFile = new Type1FontFile(buf, len);
+      } else if (type == fontType1C) {
+	fontFile = new Type1CFontFile(buf, len);
+      } else {
+	fontFile = new TrueTypeFontFile(buf, len);
+      }
+      if (fontFile->getName()) {
+	if (embFontName)
+	  delete embFontName;
+	embFontName = new GString(fontFile->getName());
+      }
+      if (!encoding) {
+	encoding = fontFile->getEncoding(gTrue);
+      }
+      delete fontFile;
+      gfree(buf);
+    }
+  }
+
+  // get default base encoding
+  if (!encoding) {
+    if (builtinFont)
+      encoding = builtinFont->encoding->copy();
+    else if (type == fontTrueType)
+      encoding = macRomanEncoding.copy();
+    else
+      encoding = standardEncoding.copy();
+  }
+
+  // merge differences into encoding
+  fontDict->lookup("Encoding", &obj1);
+  if (obj1.isDict()) {
+    obj1.dictLookup("Differences", &obj2);
+    if (obj2.isArray()) {
+      code = 0;
+      for (i = 0; i < obj2.arrayGetLength(); ++i) {
+	obj2.arrayGet(i, &obj3);
+	if (obj3.isInt()) {
+	  code = obj3.getInt();
+	} else if (obj3.isName()) {
+	  if (code < 256)
+	    encoding->addChar(code, copyString(obj3.getName()));
+	  ++code;
+	} else {
+	  error(-1, "Wrong type in font encoding resource differences (%s)",
+		obj3.getTypeName());
+	}
+	obj3.free();
+      }
+    }
+    obj2.free();
+  }
+  obj1.free();
+
+  // get character widths
+  if (builtinFont)
+    makeWidths(fontDict, builtinFont->encoding, builtinFont->widths,
+	       missingWidth);
+  else
+    makeWidths(fontDict, NULL, NULL, missingWidth);
+}
+
+void GfxFont::findExtFontFile() {
+  char **path;
+  FILE *f;
+
+  for (path = fontPath; *path; ++path) {
+    extFontFile = appendToPath(new GString(*path), name->getCString());
+    f = fopen(extFontFile->getCString(), "rb");
+    if (!f) {
+      extFontFile->append(".pfb");
+      f = fopen(extFontFile->getCString(), "rb");
+    }
+    if (!f) {
+      extFontFile->del(extFontFile->getLength() - 4, 4);
+      extFontFile->append(".pfa");
+      f = fopen(extFontFile->getCString(), "rb");
+    }
+    if (f) {
+      fclose(f);
+      break;
+    }
+    delete extFontFile;
+    extFontFile = NULL;
+  }
+}
+
+char *GfxFont::readExtFontFile(int *len) {
+  FILE *f;
+  char *buf;
+
+  if (!(f = fopen(extFontFile->getCString(), "rb"))) {
+    error(-1, "Internal: external font file '%s' vanished", extFontFile);
+    return NULL;
+  }
+  fseek(f, 0, SEEK_END);
+  *len = (int)ftell(f);
+  fseek(f, 0, SEEK_SET);
+  buf = (char *)gmalloc(*len);
+  if ((int)fread(buf, 1, *len, f) != *len)
+    error(-1, "Error reading external font file '%s'", extFontFile);
+  fclose(f);
+  return buf;
+}
+
+char *GfxFont::readEmbFontFile(XRef *xref, int *len) {
+  char *buf;
+  Object obj1, obj2;
+  Stream *str;
+  int c;
+  int size, i;
+
+  obj1.initRef(embFontID.num, embFontID.gen);
+  obj1.fetch(xref, &obj2);
+  if (!obj2.isStream()) {
+    error(-1, "Embedded font file is not a stream");
+    obj2.free();
+    obj1.free();
+    embFontID.num = -1;
+    return NULL;
+  }
+  str = obj2.getStream();
+
+  buf = NULL;
+  i = size = 0;
+  str->reset();
+  while ((c = str->getChar()) != EOF) {
+    if (i == size) {
+      size += 4096;
+      buf = (char *)grealloc(buf, size);
+    }
+    buf[i++] = c;
+  }
+  *len = i;
+  str->close();
+
+  obj2.free();
+  obj1.free();
+
+  return buf;
+}
+
+void GfxFont::makeWidths(Dict *fontDict, FontEncoding *builtinEncoding,
+			 Gushort *builtinWidths, int missingWidth) {
+  Object obj1, obj2;
+  int firstChar, lastChar;
+  int code, code2;
+  char *charName;
+  Gushort *defWidths;
+  int index;
+  double mult;
+
+  // initialize all widths
+  for (code = 0; code < 256; ++code) {
+    widths[code] = missingWidth * 0.001;
+  }
+
+  // use widths from font dict, if present
+  fontDict->lookup("FirstChar", &obj1);
+  firstChar = obj1.isInt() ? obj1.getInt() : 0;
+  obj1.free();
+  fontDict->lookup("LastChar", &obj1);
+  lastChar = obj1.isInt() ? obj1.getInt() : 255;
+  obj1.free();
+  if (type == fontType3)
+    mult = fontMat[0];
+  else
+    mult = 0.001;
+  fontDict->lookup("Widths", &obj1);
+  if (obj1.isArray()) {
+    for (code = firstChar; code <= lastChar; ++code) {
+      obj1.arrayGet(code - firstChar, &obj2);
+      if (obj2.isNum())
+	widths[code] = obj2.getNum() * mult;
+      obj2.free();
+    }
+
+  // use widths from built-in font
+  } else if (builtinEncoding) {
+    code2 = 0; // to make gcc happy
+    for (code = 0; code < 256; ++code) {
+      if ((charName = encoding->getCharName(code)) &&
+	  (code2 = builtinEncoding->getCharCode(charName)) >= 0) {
+	widths[code] = builtinWidths[code2] * 0.001;
+      } else if (code == 32) {
+	// this is a kludge for broken PDF files that encode char 32
+	// as .notdef
+	widths[code] = builtinWidths[' '] * 0.001;
+      }
+    }
+
+  // couldn't find widths -- use defaults 
+  } else {
+#if 0 //~
+    //~ certain PDF generators apparently don't include widths
+    //~ for Arial and TimesNewRoman -- and this error message
+    //~ is a nuisance
+    error(-1, "No character widths resource for non-builtin font");
+#endif
+    if (isFixedWidth())
+      index = 0;
+    else if (isSerif())
+      index = 8;
+    else
+      index = 4;
+    if (isBold())
+      index += 2;
+    if (isItalic())
+      index += 1;
+    defWidths = defCharWidths[index];
+    code2 = 0; // to make gcc happy
+    for (code = 0; code < 256; ++code) {
+      if ((charName = encoding->getCharName(code)) &&
+	  (code2 = standardEncoding.getCharCode(charName)) >= 0)
+	widths[code] = defWidths[code2] * 0.001;
+    }
+  }
+  obj1.free();
+}
+
+void GfxFont::getType0EncAndWidths(Dict *fontDict) {
+  Object obj1, obj2, obj3, obj4, obj5, obj6, obj7, obj8;
+  int excepsSize;
+  int i, j, k, n;
+
+  widths16.exceps = NULL;
+  widths16.excepsV = NULL;
+
+  // get the CIDFont
+  fontDict->lookup("DescendantFonts", &obj1);
+  if (!obj1.isArray() || obj1.arrayGetLength() != 1) {
+    error(-1, "Bad DescendantFonts entry for Type 0 font");
+    goto err1;
+  }
+  obj1.arrayGet(0, &obj2);
+  if (!obj2.isDict()) {
+    error(-1, "Bad descendant font of Type 0 font");
+    goto err2;
+  }
+
+  // get font info
+  obj2.dictLookup("CIDSystemInfo", &obj3);
+  if (!obj3.isDict()) {
+    error(-1, "Bad CIDSystemInfo in Type 0 font descendant");
+    goto err3;
+  }
+  obj3.dictLookup("Registry", &obj4);
+  obj3.dictLookup("Ordering", &obj5);
+  if (obj4.isString() && obj5.isString()) {
+    if (obj4.getString()->cmp("Adobe") == 0 &&
+	obj5.getString()->cmp("Japan1") == 0) {
+#if JAPANESE_SUPPORT
+      is16 = gTrue;
+      enc16.charSet = font16AdobeJapan12;
+#else
+      error(-1, "Xpdf was compiled without Japanese font support");
+      goto err4;
+#endif
+    } else if (obj4.getString()->cmp("Adobe") == 0 &&
+	       obj5.getString()->cmp("GB1") == 0) {
+#if CHINESE_GB_SUPPORT
+      is16 = gTrue;
+      enc16.charSet = font16AdobeGB12;
+#else
+      error(-1, "Xpdf was compiled without Chinese GB font support");
+      goto err4;
+#endif
+    } else if (obj4.getString()->cmp("Adobe") == 0 &&
+	       obj5.getString()->cmp("CNS1") == 0) {
+#if CHINESE_CNS_SUPPORT
+      is16 = gTrue;
+      enc16.charSet = font16AdobeCNS13;
+#else
+      error(-1, "Xpdf was compiled without Chinese CNS font support");
+      goto err4;
+#endif
+    } else {
+      error(-1, "Unknown Type 0 character set: %s-%s",
+	    obj4.getString()->getCString(), obj5.getString()->getCString());
+      goto err4;
+    }
+  } else {
+    error(-1, "Unknown Type 0 character set");
+    goto err4;
+  }
+  obj5.free();
+  obj4.free();
+  obj3.free();
+
+  // get default char width
+  obj2.dictLookup("DW", &obj3);
+  if (obj3.isInt())
+    widths16.defWidth = obj3.getInt() * 0.001;
+  else
+    widths16.defWidth = 1.0;
+  obj3.free();
+
+  // get default char metrics for vertical font
+  obj2.dictLookup("DW2", &obj3);
+  widths16.defVY = 0.880;
+  widths16.defHeight = -1;
+  if (obj3.isArray() && obj3.arrayGetLength() == 2) {
+    obj3.arrayGet(0, &obj4);
+    if (obj4.isInt()) {
+      widths16.defVY = obj4.getInt() * 0.001;
+    }
+    obj4.free();
+    obj3.arrayGet(1, &obj4);
+    if (obj4.isInt()) {
+      widths16.defHeight = obj4.getInt() * 0.001;
+    }
+    obj4.free();
+  }
+  obj3.free();
+
+  // get char width exceptions
+  widths16.exceps = NULL;
+  widths16.numExceps = 0;
+  obj2.dictLookup("W", &obj3);
+  if (obj3.isArray()) {
+    excepsSize = 0;
+    k = 0;
+    i = 0;
+    while (i+1 < obj3.arrayGetLength()) {
+      obj3.arrayGet(i, &obj4);
+      obj3.arrayGet(i+1, &obj5);
+      if (obj4.isInt() && obj5.isInt()) {
+	obj3.arrayGet(i+2, &obj6);
+	if (!obj6.isNum()) {
+	  error(-1, "Bad widths array in Type 0 font");
+	  obj6.free();
+	  obj5.free();
+	  obj4.free();
+	  break;
+	}
+	if (k == excepsSize) {
+	  excepsSize += 16;
+	  widths16.exceps = (GfxFontWidthExcep *)
+	                grealloc(widths16.exceps,
+				 excepsSize * sizeof(GfxFontWidthExcep));
+	}
+	widths16.exceps[k].first = obj4.getInt();
+	widths16.exceps[k].last = obj5.getInt();
+	widths16.exceps[k].width = obj6.getNum() * 0.001;
+	obj6.free();
+	++k;
+	i += 3;
+      } else if (obj4.isInt() && obj5.isArray()) {
+	if (k + obj5.arrayGetLength() >= excepsSize) {
+	  excepsSize = (k + obj5.arrayGetLength() + 15) & ~15;
+	  widths16.exceps = (GfxFontWidthExcep *)
+	                grealloc(widths16.exceps,
+				 excepsSize * sizeof(GfxFontWidthExcep));
+	}
+	n = obj4.getInt();
+	for (j = 0; j < obj5.arrayGetLength(); ++j) {
+	  obj5.arrayGet(j, &obj6);
+	  if (!obj6.isNum()) {
+	    error(-1, "Bad widths array in Type 0 font");
+	    obj6.free();
+	    break;
+	  }
+	  widths16.exceps[k].first = widths16.exceps[k].last = n++;
+	  widths16.exceps[k].width = obj6.getNum() * 0.001;
+	  obj6.free();
+	  ++k;
+	}
+	i += 2;
+      } else {
+	error(-1, "Bad widths array in Type 0 font");
+	obj6.free();
+	obj5.free();
+	obj4.free();
+	break;
+      }
+      obj5.free();
+      obj4.free();
+    }
+    widths16.numExceps = k;
+    if (k > 0)
+      qsort(widths16.exceps, k, sizeof(GfxFontWidthExcep), &cmpWidthExcep);
+  }
+  obj3.free();
+
+  // get char metric exceptions for vertical font
+  widths16.excepsV = NULL;
+  widths16.numExcepsV = 0;
+  obj2.dictLookup("W2", &obj3);
+  if (obj3.isArray()) {
+    excepsSize = 0;
+    k = 0;
+    i = 0;
+    while (i+1 < obj3.arrayGetLength()) {
+      obj3.arrayGet(i, &obj4);
+      obj3.arrayGet(i+1, &obj5);
+      if (obj4.isInt() && obj5.isInt()) {
+	obj3.arrayGet(i+2, &obj6);
+	obj3.arrayGet(i+3, &obj7);
+	obj3.arrayGet(i+4, &obj8);
+	if (!obj6.isNum() || !obj7.isNum() || !obj8.isNum()) {
+	  error(-1, "Bad widths (W2) array in Type 0 font");
+	  obj8.free();
+	  obj7.free();
+	  obj6.free();
+	  obj5.free();
+	  obj4.free();
+	  break;
+	}
+	if (k == excepsSize) {
+	  excepsSize += 16;
+	  widths16.excepsV = (GfxFontWidthExcepV *)
+	                grealloc(widths16.excepsV,
+				 excepsSize * sizeof(GfxFontWidthExcepV));
+	}
+	widths16.excepsV[k].first = obj4.getInt();
+	widths16.excepsV[k].last = obj5.getInt();
+	widths16.excepsV[k].height = obj6.getNum() * 0.001;
+	widths16.excepsV[k].vx = obj7.getNum() * 0.001;
+	widths16.excepsV[k].vy = obj8.getNum() * 0.001;
+	obj8.free();
+	obj7.free();
+	obj6.free();
+	++k;
+	i += 5;
+      } else if (obj4.isInt() && obj5.isArray()) {
+	if (k + obj5.arrayGetLength() / 3 >= excepsSize) {
+	  excepsSize = (k + obj5.arrayGetLength() / 3 + 15) & ~15;
+	  widths16.excepsV = (GfxFontWidthExcepV *)
+	                grealloc(widths16.excepsV,
+				 excepsSize * sizeof(GfxFontWidthExcepV));
+	}
+	n = obj4.getInt();
+	for (j = 0; j < obj5.arrayGetLength(); j += 3) {
+	  obj5.arrayGet(j, &obj6);
+	  obj5.arrayGet(j+1, &obj7);
+	  obj5.arrayGet(j+1, &obj8);
+	  if (!obj6.isNum() || !obj7.isNum() || !obj8.isNum()) {
+	    error(-1, "Bad widths (W2) array in Type 0 font");
+	    obj6.free();
+	    break;
+	  }
+	  widths16.excepsV[k].first = widths16.exceps[k].last = n++;
+	  widths16.excepsV[k].height = obj6.getNum() * 0.001;
+	  widths16.excepsV[k].vx = obj7.getNum() * 0.001;
+	  widths16.excepsV[k].vy = obj8.getNum() * 0.001;
+	  obj8.free();
+	  obj7.free();
+	  obj6.free();
+	  ++k;
+	}
+	i += 2;
+      } else {
+	error(-1, "Bad widths array in Type 0 font");
+	obj5.free();
+	obj4.free();
+	break;
+      }
+      obj5.free();
+      obj4.free();
+    }
+    widths16.numExcepsV = k;
+    if (k > 0) {
+      qsort(widths16.excepsV, k, sizeof(GfxFontWidthExcepV), &cmpWidthExcepV);
+    }
+  }
+  obj3.free();
+
+  obj2.free();
+  obj1.free();
+
+  // get encoding (CMap)
+  fontDict->lookup("Encoding", &obj1);
+  if (!obj1.isName()) {
+    error(-1, "Bad encoding for Type 0 font");
+    goto err1;
+  }
+#if JAPANESE_SUPPORT
+  if (enc16.charSet == font16AdobeJapan12) {
+    for (i = 0; gfxJapan12Tab[i].name; ++i) {
+      if (!strcmp(obj1.getName(), gfxJapan12Tab[i].name))
+	break;
+    }
+    if (!gfxJapan12Tab[i].name) {
+      error(-1, "Unknown encoding '%s' for Adobe-Japan1-2 font",
+	    obj1.getName());
+      goto err1;
+    }
+    enc16.enc = gfxJapan12Tab[i].enc;
+  }
+#endif
+#if CHINESE_GB_SUPPORT
+  if (enc16.charSet == font16AdobeGB12) {
+    for (i = 0; gfxGB12Tab[i].name; ++i) {
+      if (!strcmp(obj1.getName(), gfxGB12Tab[i].name))
+	break;
+    }
+    if (!gfxGB12Tab[i].name) {
+      error(-1, "Unknown encoding '%s' for Adobe-GB1-2 font",
+	    obj1.getName());
+      goto err1;
+    }
+    enc16.enc = gfxGB12Tab[i].enc;
+  }
+#endif
+#if CHINESE_CNS_SUPPORT
+  if (enc16.charSet == font16AdobeCNS13) {
+    for (i = 0; gfxCNS13Tab[i].name; ++i) {
+      if (!strcmp(obj1.getName(), gfxCNS13Tab[i].name))
+	break;
+    }
+    if (!gfxCNS13Tab[i].name) {
+      error(-1, "Unknown encoding '%s' for Adobe-CNS1-3 font",
+	    obj1.getName());
+      goto err1;
+    }
+    enc16.enc = gfxCNS13Tab[i].enc;
+  }
+#endif
+  obj1.free();
+
+  return;
+
+ err4:
+  obj5.free();
+  obj4.free();
+ err3:
+  obj3.free();
+ err2:
+  obj2.free();
+ err1:
+  obj1.free();
+  //~ fix this --> add 16-bit font support to FontFile
+  encoding = new FontEncoding();
+  makeWidths(fontDict, NULL, NULL, 0);
+}
+
+extern "C" {
+static int CDECL cmpWidthExcep(const void *w1, const void *w2) {
+  return ((GfxFontWidthExcep *)w1)->first - ((GfxFontWidthExcep *)w2)->first;
+}
+
+static int CDECL cmpWidthExcepV(const void *w1, const void *w2) {
+  return ((GfxFontWidthExcepV *)w1)->first - ((GfxFontWidthExcepV *)w2)->first;
+}
+}
+
+//------------------------------------------------------------------------
+// GfxFontDict
+//------------------------------------------------------------------------
+
+GfxFontDict::GfxFontDict(XRef *xref, Dict *fontDict) {
+  int i;
+  Object obj1, obj2;
+
+  numFonts = fontDict->getLength();
+  fonts = (GfxFont **)gmalloc(numFonts * sizeof(GfxFont *));
+  for (i = 0; i < numFonts; ++i) {
+    fontDict->getValNF(i, &obj1);
+    obj1.fetch(xref, &obj2);
+    if (obj1.isRef() && obj2.isDict()) {
+      fonts[i] = new GfxFont(xref, fontDict->getKey(i),
+			     obj1.getRef(), obj2.getDict());
+    } else {
+      error(-1, "font resource is not a dictionary");
+      fonts[i] = NULL;
+    }
+    obj1.free();
+    obj2.free();
+  }
+}
+
+GfxFontDict::~GfxFontDict() {
+  int i;
+
+  for (i = 0; i < numFonts; ++i)
+    delete fonts[i];
+  gfree(fonts);
+}
+
+GfxFont *GfxFontDict::lookup(char *tag) {
+  int i;
+
+  for (i = 0; i < numFonts; ++i) {
+    if (fonts[i]->matches(tag))
+      return fonts[i];
+  }
+  return NULL;
+}
diff --git a/pdftops/GfxFont.h b/pdftops/GfxFont.h
new file mode 100644
index 000000000..e51635632
--- /dev/null
+++ b/pdftops/GfxFont.h
@@ -0,0 +1,250 @@
+//========================================================================
+//
+// GfxFont.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef GFXFONT_H
+#define GFXFONT_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "GString.h"
+#include "Object.h"
+#include "FontEncoding.h"
+
+class Dict;
+struct BuiltinFont;
+
+//------------------------------------------------------------------------
+// GfxFontCharSet16
+//------------------------------------------------------------------------
+
+enum GfxFontCharSet16 {
+  font16AdobeJapan12,		// Adobe-Japan1-2
+  font16AdobeGB12,		// Adobe-GB1-2 (Chinese)
+  font16AdobeCNS13		// Adobe-CNS1-3 (Chinese)
+};
+
+//------------------------------------------------------------------------
+// GfxFontEncoding16
+//------------------------------------------------------------------------
+
+struct GfxFontEncoding16 {
+  int wMode;			// writing mode (0=horizontal, 1=vertical)
+  Guchar codeLen[256];		// length of codes, in bytes, indexed by
+				//   first byte of code
+  Gushort map1[256];		// one-byte code mapping:
+				//   map1[code] --> 16-bit char selector
+  Gushort *map2;		// two-byte code mapping
+				//   map2[2*i]   --> first code in range
+				//   map2[2*i+1] --> 16-bit char selector
+				//                   for map2[2*i]
+  int map2Len;			// length of map2 array (divided by 2)
+};
+
+//------------------------------------------------------------------------
+// GfxFontWidths16
+//------------------------------------------------------------------------
+
+struct GfxFontWidthExcep {
+  int first;			// this record applies to
+  int last;			//   chars <first>..<last>
+  double width;			// char width
+};
+
+struct GfxFontWidthExcepV {
+  int first;			// this record applies to
+  int last;			//   chars <first>..<last>
+  double height;		// char height
+  double vx, vy;		// origin position
+};
+
+struct GfxFontWidths16 {
+  double defWidth;		// default char width
+  double defHeight;		// default char height
+  double defVY;			// default origin position
+  GfxFontWidthExcep *exceps;	// exceptions
+  int numExceps;		// number of valid entries in exceps
+  GfxFontWidthExcepV *excepsV;	// exceptions for vertical font
+  int numExcepsV;		// number of valid entries in excepsV
+};
+
+//------------------------------------------------------------------------
+// GfxFont
+//------------------------------------------------------------------------
+
+#define fontFixedWidth (1 << 0)
+#define fontSerif      (1 << 1)
+#define fontSymbolic   (1 << 2)
+#define fontItalic     (1 << 6)
+#define fontBold       (1 << 18)
+
+enum GfxFontType {
+  fontUnknownType,
+  fontType1,
+  fontType1C,
+  fontType3,
+  fontTrueType,
+  fontType0
+};
+
+class GfxFont {
+public:
+
+  // Constructor.
+  GfxFont(XRef *xref, char *tagA, Ref idA, Dict *fontDict);
+
+  // Destructor.
+  ~GfxFont();
+
+  // Get font tag.
+  GString *getTag() { return tag; }
+
+  // Get font dictionary ID.
+  Ref getID() { return id; }
+
+  // Does this font match the tag?
+  GBool matches(char *tagA) { return !tag->cmp(tagA); }
+
+  // Get base font name.
+  GString *getName() { return name; }
+
+  // Get font type.
+  GfxFontType getType() { return type; }
+
+  // Does this font use 16-bit characters?
+  GBool is16Bit() { return is16; }
+
+  // Get embedded font ID, i.e., a ref for the font file stream.
+  // Returns false if there is no embedded font.
+  GBool getEmbeddedFontID(Ref *embID)
+    { *embID = embFontID; return embFontID.num >= 0; }
+
+  // Get the PostScript font name for the embedded font.  Returns
+  // NULL if there is no embedded font.
+  char *getEmbeddedFontName()
+    { return embFontName ? embFontName->getCString() : (char *)NULL; }
+
+  // Get the name of the external font file.  Returns NULL if there
+  // is no external font file.
+  GString *getExtFontFile() { return extFontFile; }
+
+  // Get font descriptor flags.
+  GBool isFixedWidth() { return flags & fontFixedWidth; }
+  GBool isSerif() { return flags & fontSerif; }
+  GBool isSymbolic() { return flags & fontSymbolic; }
+  GBool isItalic() { return flags & fontItalic; }
+  GBool isBold() { return flags & fontBold; }
+
+  // Get width of a character or string.
+  double getWidth(Guchar c) { return widths[c]; }
+  double getWidth(GString *s);
+
+  // Get character metrics for 16-bit font.
+  double getWidth16(int c);
+  double getHeight16(int c);
+  double getOriginX16(int c);
+  double getOriginY16(int c);
+
+  // Return the encoding.
+  FontEncoding *getEncoding() { return encoding; }
+
+  // Return the character name associated with <code>.
+  char *getCharName(int code) { return encoding->getCharName(code); }
+
+  // Return the code associated with <name>.
+  int getCharCode(char *charName) { return encoding->getCharCode(charName); }
+
+  // Return the Type 3 CharProc for the character associated with <code>.
+  Object *getCharProc(int code, Object *proc);
+
+  // Return the 16-bit character set and encoding.
+  GfxFontCharSet16 getCharSet16() { return enc16.charSet; }
+  GfxFontEncoding16 *getEncoding16() { return enc16.enc; }
+
+  // Get the writing mode (0=horizontal, 1=vertical).
+  int getWMode16() { return enc16.enc->wMode; }
+
+  // Return the font matrix.
+  double *getFontMatrix() { return fontMat; }
+
+  // Return the font bounding box.
+  double *getFontBBox() { return fontBBox; }
+
+  // Return the ascent and descent values.
+  double getAscent() { return ascent; }
+  double getDescent() { return descent; }
+
+  // Read an external or embedded font file into a buffer.
+  char *readExtFontFile(int *len);
+  char *readEmbFontFile(XRef *xref, int *len);
+
+private:
+
+  void getEncAndWidths(XRef *xref, Dict *fontDict,
+		       BuiltinFont *builtinFont, int missingWidth);
+  void findExtFontFile();
+  void makeWidths(Dict *fontDict, FontEncoding *builtinEncoding,
+		  Gushort *builtinWidths, int missingWidth);
+  void getType0EncAndWidths(Dict *fontDict);
+
+  GString *tag;			// PDF font tag
+  Ref id;			// reference (used as unique ID)
+  GString *name;		// font name
+  int flags;			// font descriptor flags
+  GfxFontType type;		// type of font
+  GBool is16;			// set if font uses 16-bit chars
+  GString *embFontName;		// name of embedded font
+  Ref embFontID;		// ref to embedded font file stream
+  GString *extFontFile;		// external font file name
+  Object charProcs;		// Type3 CharProcs dictionary
+  double fontMat[6];		// font matrix
+  double fontBBox[4];		// font bounding box
+  double ascent;		// max height above baseline
+  double descent;		// max depth below baseline
+  union {
+    FontEncoding *encoding;	// 8-bit font encoding
+    struct {
+      GfxFontCharSet16 charSet;	// 16-bit character set
+      GfxFontEncoding16 *enc;	// 16-bit encoding (CMap)
+    } enc16;
+  };
+  union {
+    double widths[256];		// width of each char for 8-bit font
+    GfxFontWidths16 widths16;	// char widths for 16-bit font
+  };
+};
+
+//------------------------------------------------------------------------
+// GfxFontDict
+//------------------------------------------------------------------------
+
+class GfxFontDict {
+public:
+
+  // Build the font dictionary, given the PDF font dictionary.
+  GfxFontDict(XRef *xref, Dict *fontDict);
+
+  // Destructor.
+  ~GfxFontDict();
+
+  // Get the specified font.
+  GfxFont *lookup(char *tag);
+
+  // Iterative access.
+  int getNumFonts() { return numFonts; }
+  GfxFont *getFont(int i) { return fonts[i]; }
+
+private:
+
+  GfxFont **fonts;		// list of fonts
+  int numFonts;			// number of fonts
+};
+
+#endif
diff --git a/pdftops/GfxState.cxx b/pdftops/GfxState.cxx
new file mode 100644
index 000000000..140741570
--- /dev/null
+++ b/pdftops/GfxState.cxx
@@ -0,0 +1,2100 @@
+//========================================================================
+//
+// GfxState.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include <math.h>
+#include <string.h> // for memcpy()
+#include "gmem.h"
+#include "Error.h"
+#include "Object.h"
+#include "Array.h"
+#include "Page.h"
+#include "GfxState.h"
+
+//------------------------------------------------------------------------
+
+static inline double clip01(double x) {
+  return (x < 0) ? 0 : ((x > 1) ? 1 : x);
+}
+
+//------------------------------------------------------------------------
+// GfxColorSpace
+//------------------------------------------------------------------------
+
+GfxColorSpace::GfxColorSpace() {
+}
+
+GfxColorSpace::~GfxColorSpace() {
+}
+
+GfxColorSpace *GfxColorSpace::parse(Object *csObj) {
+  GfxColorSpace *cs;
+  Object obj1;
+
+  cs = NULL;
+  if (csObj->isName()) {
+    if (csObj->isName("DeviceGray") || csObj->isName("G")) {
+      cs = new GfxDeviceGrayColorSpace();
+    } else if (csObj->isName("DeviceRGB") || csObj->isName("RGB")) {
+      cs = new GfxDeviceRGBColorSpace();
+    } else if (csObj->isName("DeviceCMYK") || csObj->isName("CMYK")) {
+      cs = new GfxDeviceCMYKColorSpace();
+    } else if (csObj->isName("Pattern")) {
+      cs = new GfxPatternColorSpace(NULL);
+    } else {
+      error(-1, "Bad color space '%s'", csObj->getName());
+    }
+  } else if (csObj->isArray()) {
+    csObj->arrayGet(0, &obj1);
+    if (obj1.isName("DeviceGray") || obj1.isName("G")) {
+      cs = new GfxDeviceGrayColorSpace();
+    } else if (obj1.isName("DeviceRGB") || obj1.isName("RGB")) {
+      cs = new GfxDeviceRGBColorSpace();
+    } else if (obj1.isName("DeviceCMYK") || obj1.isName("CMYK")) {
+      cs = new GfxDeviceCMYKColorSpace();
+    } else if (obj1.isName("CalGray")) {
+      cs = GfxCalGrayColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("CalRGB")) {
+      cs = GfxCalRGBColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("Lab")) {
+      cs = GfxLabColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("ICCBased")) {
+      cs = GfxICCBasedColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("Indexed") || obj1.isName("I")) {
+      cs = GfxIndexedColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("Separation")) {
+      cs = GfxSeparationColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("DeviceN")) {
+      cs = GfxDeviceNColorSpace::parse(csObj->getArray());
+    } else if (obj1.isName("Pattern")) {
+      cs = GfxPatternColorSpace::parse(csObj->getArray());
+    } else {
+      error(-1, "Bad color space '%s'", csObj->getName());
+    }
+    obj1.free();
+  } else {
+    error(-1, "Bad color space - expected name or array");
+  }
+  return cs;
+}
+
+void GfxColorSpace::getDefaultRanges(double *decodeLow, double *decodeRange,
+				     int maxImgPixel) {
+  int i;
+
+  for (i = 0; i < getNComps(); ++i) {
+    decodeLow[i] = 0;
+    decodeRange[i] = 1;
+  }
+}
+
+//------------------------------------------------------------------------
+// GfxDeviceGrayColorSpace
+//------------------------------------------------------------------------
+
+GfxDeviceGrayColorSpace::GfxDeviceGrayColorSpace() {
+}
+
+GfxDeviceGrayColorSpace::~GfxDeviceGrayColorSpace() {
+}
+
+GfxColorSpace *GfxDeviceGrayColorSpace::copy() {
+  return new GfxDeviceGrayColorSpace();
+}
+
+void GfxDeviceGrayColorSpace::getGray(GfxColor *color, double *gray) {
+  *gray = clip01(color->c[0]);
+}
+
+void GfxDeviceGrayColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  rgb->r = rgb->g = rgb->b = clip01(color->c[0]);
+}
+
+void GfxDeviceGrayColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  cmyk->c = cmyk->m = cmyk->y = 0;
+  cmyk->k = clip01(1 - color->c[0]);
+}
+
+//------------------------------------------------------------------------
+// GfxCalGrayColorSpace
+//------------------------------------------------------------------------
+
+GfxCalGrayColorSpace::GfxCalGrayColorSpace() {
+  whiteX = whiteY = whiteZ = 1;
+  blackX = blackY = blackZ = 0;
+  gamma = 1;
+}
+
+GfxCalGrayColorSpace::~GfxCalGrayColorSpace() {
+}
+
+GfxColorSpace *GfxCalGrayColorSpace::copy() {
+  GfxCalGrayColorSpace *cs;
+
+  cs = new GfxCalGrayColorSpace();
+  cs->whiteX = whiteX;
+  cs->whiteY = whiteY;
+  cs->whiteZ = whiteZ;
+  cs->blackX = blackX;
+  cs->blackY = blackY;
+  cs->blackZ = blackZ;
+  cs->gamma = gamma;
+  return cs;
+}
+
+GfxColorSpace *GfxCalGrayColorSpace::parse(Array *arr) {
+  GfxCalGrayColorSpace *cs;
+  Object obj1, obj2, obj3;
+
+  arr->get(1, &obj1);
+  if (!obj1.isDict()) {
+    error(-1, "Bad CalGray color space");
+    obj1.free();
+    return NULL;
+  }
+  cs = new GfxCalGrayColorSpace();
+  if (obj1.dictLookup("WhitePoint", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->whiteX = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->whiteY = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->whiteZ = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("BlackPoint", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->blackX = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->blackY = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->blackZ = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("Gamma", &obj2)->isNum()) {
+    cs->gamma = obj2.getNum();
+  }
+  obj2.free();
+  obj1.free();
+  return cs;
+}
+
+void GfxCalGrayColorSpace::getGray(GfxColor *color, double *gray) {
+  *gray = clip01(color->c[0]);
+}
+
+void GfxCalGrayColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  rgb->r = rgb->g = rgb->b = clip01(color->c[0]);
+}
+
+void GfxCalGrayColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  cmyk->c = cmyk->m = cmyk->y = 0;
+  cmyk->k = clip01(1 - color->c[0]);
+}
+
+//------------------------------------------------------------------------
+// GfxDeviceRGBColorSpace
+//------------------------------------------------------------------------
+
+GfxDeviceRGBColorSpace::GfxDeviceRGBColorSpace() {
+}
+
+GfxDeviceRGBColorSpace::~GfxDeviceRGBColorSpace() {
+}
+
+GfxColorSpace *GfxDeviceRGBColorSpace::copy() {
+  return new GfxDeviceRGBColorSpace();
+}
+
+void GfxDeviceRGBColorSpace::getGray(GfxColor *color, double *gray) {
+  *gray = clip01(0.299 * color->c[0] +
+		 0.587 * color->c[1] +
+		 0.114 * color->c[2]);
+}
+
+void GfxDeviceRGBColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  rgb->r = clip01(color->c[0]);
+  rgb->g = clip01(color->c[1]);
+  rgb->b = clip01(color->c[2]);
+}
+
+void GfxDeviceRGBColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  double c, m, y, k;
+
+  c = clip01(1 - color->c[0]);
+  m = clip01(1 - color->c[1]);
+  y = clip01(1 - color->c[2]);
+  k = c;
+  if (m < k) {
+    k = m;
+  }
+  if (y < k) {
+    k = y;
+  }
+  cmyk->c = c - k;
+  cmyk->m = m - k;
+  cmyk->y = y - k;
+  cmyk->k = k;
+}
+
+//------------------------------------------------------------------------
+// GfxCalRGBColorSpace
+//------------------------------------------------------------------------
+
+GfxCalRGBColorSpace::GfxCalRGBColorSpace() {
+  whiteX = whiteY = whiteZ = 1;
+  blackX = blackY = blackZ = 0;
+  gammaR = gammaG = gammaB = 1;
+  mat[0] = 1; mat[1] = 0; mat[2] = 0;
+  mat[3] = 0; mat[4] = 1; mat[5] = 0;
+  mat[6] = 0; mat[7] = 0; mat[8] = 1;
+}
+
+GfxCalRGBColorSpace::~GfxCalRGBColorSpace() {
+}
+
+GfxColorSpace *GfxCalRGBColorSpace::copy() {
+  GfxCalRGBColorSpace *cs;
+  int i;
+
+  cs = new GfxCalRGBColorSpace();
+  cs->whiteX = whiteX;
+  cs->whiteY = whiteY;
+  cs->whiteZ = whiteZ;
+  cs->blackX = blackX;
+  cs->blackY = blackY;
+  cs->blackZ = blackZ;
+  cs->gammaR = gammaR;
+  cs->gammaG = gammaG;
+  cs->gammaB = gammaB;
+  for (i = 0; i < 9; ++i) {
+    cs->mat[i] = mat[i];
+  }
+  return cs;
+}
+
+GfxColorSpace *GfxCalRGBColorSpace::parse(Array *arr) {
+  GfxCalRGBColorSpace *cs;
+  Object obj1, obj2, obj3;
+  int i;
+
+  arr->get(1, &obj1);
+  if (!obj1.isDict()) {
+    error(-1, "Bad CalRGB color space");
+    obj1.free();
+    return NULL;
+  }
+  cs = new GfxCalRGBColorSpace();
+  if (obj1.dictLookup("WhitePoint", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->whiteX = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->whiteY = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->whiteZ = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("BlackPoint", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->blackX = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->blackY = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->blackZ = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("Gamma", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->gammaR = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->gammaG = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->gammaB = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("Matrix", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 9) {
+    for (i = 0; i < 9; ++i) {
+      obj2.arrayGet(i, &obj3);
+      cs->mat[i] = obj3.getNum();
+      obj3.free();
+    }
+  }
+  obj2.free();
+  obj1.free();
+  return cs;
+}
+
+void GfxCalRGBColorSpace::getGray(GfxColor *color, double *gray) {
+  *gray = clip01(0.299 * color->c[0] +
+		 0.587 * color->c[1] +
+		 0.114 * color->c[2]);
+}
+
+void GfxCalRGBColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  rgb->r = clip01(color->c[0]);
+  rgb->g = clip01(color->c[1]);
+  rgb->b = clip01(color->c[2]);
+}
+
+void GfxCalRGBColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  double c, m, y, k;
+
+  c = clip01(1 - color->c[0]);
+  m = clip01(1 - color->c[1]);
+  y = clip01(1 - color->c[2]);
+  k = c;
+  if (m < k) {
+    k = m;
+  }
+  if (y < k) {
+    k = y;
+  }
+  cmyk->c = c - k;
+  cmyk->m = m - k;
+  cmyk->y = y - k;
+  cmyk->k = k;
+}
+
+//------------------------------------------------------------------------
+// GfxDeviceCMYKColorSpace
+//------------------------------------------------------------------------
+
+GfxDeviceCMYKColorSpace::GfxDeviceCMYKColorSpace() {
+}
+
+GfxDeviceCMYKColorSpace::~GfxDeviceCMYKColorSpace() {
+}
+
+GfxColorSpace *GfxDeviceCMYKColorSpace::copy() {
+  return new GfxDeviceCMYKColorSpace();
+}
+
+void GfxDeviceCMYKColorSpace::getGray(GfxColor *color, double *gray) {
+  *gray = clip01(1 - color->c[3]
+		 - 0.299 * color->c[0]
+		 - 0.587 * color->c[1]
+		 - 0.114 * color->c[2]);
+}
+
+void GfxDeviceCMYKColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  rgb->r = clip01(1 - (color->c[0] + color->c[3]));
+  rgb->g = clip01(1 - (color->c[1] + color->c[3]));
+  rgb->b = clip01(1 - (color->c[2] + color->c[3]));
+}
+
+void GfxDeviceCMYKColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  cmyk->c = clip01(color->c[0]);
+  cmyk->m = clip01(color->c[1]);
+  cmyk->y = clip01(color->c[2]);
+  cmyk->k = clip01(color->c[3]);
+}
+
+//------------------------------------------------------------------------
+// GfxLabColorSpace
+//------------------------------------------------------------------------
+
+// This is the inverse of MatrixLMN in Example 4.10 from the PostScript
+// Language Reference, Third Edition.
+static double xyzrgb[3][3] = {
+  {  3.240449, -1.537136, -0.498531 },
+  { -0.969265,  1.876011,  0.041556 },
+  {  0.055643, -0.204026,  1.057229 }
+};
+
+GfxLabColorSpace::GfxLabColorSpace() {
+  whiteX = whiteY = whiteZ = 1;
+  blackX = blackY = blackZ = 0;
+  aMin = bMin = -100;
+  aMax = bMax = 100;
+}
+
+GfxLabColorSpace::~GfxLabColorSpace() {
+}
+
+GfxColorSpace *GfxLabColorSpace::copy() {
+  GfxLabColorSpace *cs;
+
+  cs = new GfxLabColorSpace();
+  cs->whiteX = whiteX;
+  cs->whiteY = whiteY;
+  cs->whiteZ = whiteZ;
+  cs->blackX = blackX;
+  cs->blackY = blackY;
+  cs->blackZ = blackZ;
+  cs->aMin = aMin;
+  cs->aMax = aMax;
+  cs->bMin = bMin;
+  cs->bMax = bMax;
+  cs->kr = kr;
+  cs->kg = kg;
+  cs->kb = kb;
+  return cs;
+}
+
+GfxColorSpace *GfxLabColorSpace::parse(Array *arr) {
+  GfxLabColorSpace *cs;
+  Object obj1, obj2, obj3;
+
+  arr->get(1, &obj1);
+  if (!obj1.isDict()) {
+    error(-1, "Bad Lab color space");
+    obj1.free();
+    return NULL;
+  }
+  cs = new GfxLabColorSpace();
+  if (obj1.dictLookup("WhitePoint", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->whiteX = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->whiteY = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->whiteZ = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("BlackPoint", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 3) {
+    obj2.arrayGet(0, &obj3);
+    cs->blackX = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->blackY = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->blackZ = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  if (obj1.dictLookup("Range", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 4) {
+    obj2.arrayGet(0, &obj3);
+    cs->aMin = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(1, &obj3);
+    cs->aMax = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(2, &obj3);
+    cs->bMin = obj3.getNum();
+    obj3.free();
+    obj2.arrayGet(3, &obj3);
+    cs->bMax = obj3.getNum();
+    obj3.free();
+  }
+  obj2.free();
+  obj1.free();
+
+  cs->kr = 1 / (xyzrgb[0][0] * cs->whiteX +
+		xyzrgb[0][1] * cs->whiteY +
+		xyzrgb[0][2] * cs->whiteZ);
+  cs->kg = 1 / (xyzrgb[1][0] * cs->whiteX +
+		xyzrgb[1][1] * cs->whiteY +
+		xyzrgb[1][2] * cs->whiteZ);
+  cs->kb = 1 / (xyzrgb[2][0] * cs->whiteX +
+		xyzrgb[2][1] * cs->whiteY +
+		xyzrgb[2][2] * cs->whiteZ);
+
+  return cs;
+}
+
+void GfxLabColorSpace::getGray(GfxColor *color, double *gray) {
+  GfxRGB rgb;
+
+  getRGB(color, &rgb);
+  *gray = clip01(0.299 * rgb.r +
+		 0.587 * rgb.g +
+		 0.114 * rgb.b);
+}
+
+void GfxLabColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  double X, Y, Z;
+  double t1, t2;
+  double r, g, b;
+
+  // convert L*a*b* to CIE 1931 XYZ color space
+  t1 = (color->c[0] + 16) / 116;
+  t2 = t1 + color->c[1] / 500;
+  if (t2 >= (6.0 / 29.0)) {
+    X = t2 * t2 * t2;
+  } else {
+    X = (108.0 / 841.0) * (t2 - (4.0 / 29.0));
+  }
+  X *= whiteX;
+  if (t1 >= (6.0 / 29.0)) {
+    Y = t1 * t1 * t1;
+  } else {
+    Y = (108.0 / 841.0) * (t1 - (4.0 / 29.0));
+  }
+  Y *= whiteY;
+  t2 = t1 - color->c[2] / 200;
+  if (t2 >= (6.0 / 29.0)) {
+    Z = t2 * t2 * t2;
+  } else {
+    Z = (108.0 / 841.0) * (t2 - (4.0 / 29.0));
+  }
+  Z *= whiteZ;
+
+  // convert XYZ to RGB, including gamut mapping and gamma correction
+  r = xyzrgb[0][0] * X + xyzrgb[0][1] * Y + xyzrgb[0][2] * Z;
+  g = xyzrgb[1][0] * X + xyzrgb[1][1] * Y + xyzrgb[1][2] * Z;
+  b = xyzrgb[2][0] * X + xyzrgb[2][1] * Y + xyzrgb[2][2] * Z;
+  rgb->r = pow(clip01(r * kr), 0.5);
+  rgb->g = pow(clip01(g * kg), 0.5);
+  rgb->b = pow(clip01(b * kb), 0.5);
+}
+
+void GfxLabColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  GfxRGB rgb;
+  double c, m, y, k;
+
+  getRGB(color, &rgb);
+  c = clip01(1 - rgb.r);
+  m = clip01(1 - rgb.g);
+  y = clip01(1 - rgb.b);
+  k = c;
+  if (m < k) {
+    k = m;
+  }
+  if (y < k) {
+    k = y;
+  }
+  cmyk->c = c - k;
+  cmyk->m = m - k;
+  cmyk->y = y - k;
+  cmyk->k = k;
+}
+
+void GfxLabColorSpace::getDefaultRanges(double *decodeLow, double *decodeRange,
+					int maxImgPixel) {
+  decodeLow[0] = 0;
+  decodeRange[0] = 100;
+  decodeLow[1] = aMin;
+  decodeRange[1] = aMax - aMin;
+  decodeLow[2] = bMin;
+  decodeRange[2] = bMax - bMin;
+}
+
+//------------------------------------------------------------------------
+// GfxICCBasedColorSpace
+//------------------------------------------------------------------------
+
+GfxICCBasedColorSpace::GfxICCBasedColorSpace(int nCompsA, GfxColorSpace *altA,
+					     Ref *iccProfileStreamA) {
+  nComps = nCompsA;
+  alt = altA;
+  iccProfileStream = *iccProfileStreamA;
+  rangeMin[0] = rangeMin[1] = rangeMin[2] = rangeMin[3] = 0;
+  rangeMax[0] = rangeMax[1] = rangeMax[2] = rangeMax[3] = 1;
+}
+
+GfxICCBasedColorSpace::~GfxICCBasedColorSpace() {
+  delete alt;
+}
+
+GfxColorSpace *GfxICCBasedColorSpace::copy() {
+  GfxICCBasedColorSpace *cs;
+  int i;
+
+  cs = new GfxICCBasedColorSpace(nComps, alt->copy(), &iccProfileStream);
+  for (i = 0; i < 4; ++i) {
+    cs->rangeMin[i] = rangeMin[i];
+    cs->rangeMax[i] = rangeMax[i];
+  }
+  return cs;
+}
+
+GfxColorSpace *GfxICCBasedColorSpace::parse(Array *arr) {
+  GfxICCBasedColorSpace *cs;
+  Ref iccProfileStreamA;
+  int nCompsA;
+  GfxColorSpace *altA;
+  Dict *dict;
+  Object obj1, obj2, obj3;
+  int i;
+
+  arr->getNF(1, &obj1);
+  if (obj1.isRef()) {
+    iccProfileStreamA = obj1.getRef();
+  } else {
+    iccProfileStreamA.num = 0;
+    iccProfileStreamA.gen = 0;
+  }
+  obj1.free();
+  arr->get(1, &obj1);
+  if (!obj1.isStream()) {
+    error(-1, "Bad ICCBased color space (stream)");
+    obj1.free();
+    return NULL;
+  }
+  dict = obj1.streamGetDict();
+  if (!dict->lookup("N", &obj2)->isInt()) {
+    error(-1, "Bad ICCBased color space (N)");
+    obj2.free();
+    obj1.free();
+    return NULL;
+  }
+  nCompsA = obj2.getInt();
+  obj2.free();
+  if (dict->lookup("Alternate", &obj2)->isNull() ||
+      !(altA = GfxColorSpace::parse(&obj2))) {
+    switch (nCompsA) {
+    case 1:
+      altA = new GfxDeviceGrayColorSpace();
+      break;
+    case 3:
+      altA = new GfxDeviceRGBColorSpace();
+      break;
+    case 4:
+      altA = new GfxDeviceCMYKColorSpace();
+      break;
+    default:
+      error(-1, "Bad ICCBased color space - invalid N");
+      obj2.free();
+      obj1.free();
+      return NULL;
+    }
+  }
+  obj2.free();
+  cs = new GfxICCBasedColorSpace(nCompsA, altA, &iccProfileStreamA);
+  if (dict->lookup("Range", &obj2)->isArray() &&
+      obj2.arrayGetLength() == 2 * nCompsA) {
+    for (i = 0; i < nCompsA; ++i) {
+      obj2.arrayGet(2*i, &obj3);
+      cs->rangeMin[i] = obj3.getNum();
+      obj3.free();
+      obj2.arrayGet(2*i+1, &obj3);
+      cs->rangeMax[i] = obj3.getNum();
+      obj3.free();
+    }
+  }
+  obj2.free();
+  obj1.free();
+  return cs;
+}
+
+void GfxICCBasedColorSpace::getGray(GfxColor *color, double *gray) {
+  alt->getGray(color, gray);
+}
+
+void GfxICCBasedColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  alt->getRGB(color, rgb);
+}
+
+void GfxICCBasedColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  alt->getCMYK(color, cmyk);
+}
+
+void GfxICCBasedColorSpace::getDefaultRanges(double *decodeLow,
+					     double *decodeRange,
+					     int maxImgPixel) {
+  int i;
+
+  for (i = 0; i < nComps; ++i) {
+    decodeLow[i] = rangeMin[i];
+    decodeRange[i] = rangeMax[i] - rangeMin[i];
+  }
+}
+
+//------------------------------------------------------------------------
+// GfxIndexedColorSpace
+//------------------------------------------------------------------------
+
+GfxIndexedColorSpace::GfxIndexedColorSpace(GfxColorSpace *baseA,
+					   int indexHighA) {
+  base = baseA;
+  indexHigh = indexHighA;
+  lookup = (Guchar *)gmalloc((indexHigh + 1) * base->getNComps() *
+			     sizeof(Guchar));
+}
+
+GfxIndexedColorSpace::~GfxIndexedColorSpace() {
+  delete base;
+  gfree(lookup);
+}
+
+GfxColorSpace *GfxIndexedColorSpace::copy() {
+  GfxIndexedColorSpace *cs;
+
+  cs = new GfxIndexedColorSpace(base->copy(), indexHigh);
+  memcpy(cs->lookup, lookup,
+	 (indexHigh + 1) * base->getNComps() * sizeof(Guchar));
+  return cs;
+}
+
+GfxColorSpace *GfxIndexedColorSpace::parse(Array *arr) {
+  GfxIndexedColorSpace *cs;
+  GfxColorSpace *baseA;
+  int indexHighA;
+  Object obj1;
+  int x;
+  char *s;
+  int n, i, j;
+
+  if (arr->getLength() != 4) {
+    error(-1, "Bad Indexed color space");
+    goto err1;
+  }
+  arr->get(1, &obj1);
+  if (!(baseA = GfxColorSpace::parse(&obj1))) {
+    error(-1, "Bad Indexed color space (base color space)");
+    goto err2;
+  }
+  obj1.free();
+  if (!arr->get(2, &obj1)->isInt()) {
+    error(-1, "Bad Indexed color space (hival)");
+    goto err2;
+  }
+  indexHighA = obj1.getInt();
+  obj1.free();
+  cs = new GfxIndexedColorSpace(baseA, indexHighA);
+  arr->get(3, &obj1);
+  n = baseA->getNComps();
+  if (obj1.isStream()) {
+    obj1.streamReset();
+    for (i = 0; i <= indexHighA; ++i) {
+      for (j = 0; j < n; ++j) {
+	if ((x = obj1.streamGetChar()) == EOF) {
+	  error(-1, "Bad Indexed color space (lookup table stream too short)");
+	  goto err3;
+	}
+	cs->lookup[i*n + j] = (Guchar)x;
+      }
+    }
+    obj1.streamClose();
+  } else if (obj1.isString()) {
+    if (obj1.getString()->getLength() < (indexHighA + 1) * n) {
+      error(-1, "Bad Indexed color space (lookup table string too short)");
+      goto err3;
+    }
+    s = obj1.getString()->getCString();
+    for (i = 0; i <= indexHighA; ++i) {
+      for (j = 0; j < n; ++j) {
+	cs->lookup[i*n + j] = (Guchar)*s++;
+      }
+    }
+  } else {
+    error(-1, "Bad Indexed color space (lookup table)");
+    goto err3;
+  }
+  obj1.free();
+  return cs;
+
+ err3:
+  delete cs;
+ err2:
+  obj1.free();
+ err1:
+  return NULL;
+}
+
+void GfxIndexedColorSpace::getGray(GfxColor *color, double *gray) {
+  Guchar *p;
+  GfxColor color2;
+  int n, i;
+
+  n = base->getNComps();
+  p = &lookup[(int)(color->c[0] + 0.5) * n];
+  for (i = 0; i < n; ++i) {
+    color2.c[i] = p[i] / 255.0;
+  }
+  base->getGray(&color2, gray);
+}
+
+void GfxIndexedColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  Guchar *p;
+  GfxColor color2;
+  int n, i;
+
+  n = base->getNComps();
+  p = &lookup[(int)(color->c[0] + 0.5) * n];
+  for (i = 0; i < n; ++i) {
+    color2.c[i] = p[i] / 255.0;
+  }
+  base->getRGB(&color2, rgb);
+}
+
+void GfxIndexedColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  Guchar *p;
+  GfxColor color2;
+  int n, i;
+
+  n = base->getNComps();
+  p = &lookup[(int)(color->c[0] + 0.5) * n];
+  for (i = 0; i < n; ++i) {
+    color2.c[i] = p[i] / 255.0;
+  }
+  base->getCMYK(&color2, cmyk);
+}
+
+void GfxIndexedColorSpace::getDefaultRanges(double *decodeLow,
+					    double *decodeRange,
+					    int maxImgPixel) {
+  decodeLow[0] = 0;
+  decodeRange[0] = maxImgPixel;
+}
+
+//------------------------------------------------------------------------
+// GfxSeparationColorSpace
+//------------------------------------------------------------------------
+
+GfxSeparationColorSpace::GfxSeparationColorSpace(GString *nameA,
+						 GfxColorSpace *altA,
+						 Function *funcA) {
+  name = nameA;
+  alt = altA;
+  func = funcA;
+}
+
+GfxSeparationColorSpace::~GfxSeparationColorSpace() {
+  delete name;
+  delete alt;
+  delete func;
+}
+
+GfxColorSpace *GfxSeparationColorSpace::copy() {
+  return new GfxSeparationColorSpace(name->copy(), alt->copy(), func->copy());
+}
+
+//~ handle the 'All' and 'None' colorants
+GfxColorSpace *GfxSeparationColorSpace::parse(Array *arr) {
+  GfxSeparationColorSpace *cs;
+  GString *nameA;
+  GfxColorSpace *altA;
+  Function *funcA;
+  Object obj1;
+
+  if (arr->getLength() != 4) {
+    error(-1, "Bad Separation color space");
+    goto err1;
+  }
+  if (!arr->get(1, &obj1)->isName()) {
+    error(-1, "Bad Separation color space (name)");
+    goto err2;
+  }
+  nameA = new GString(obj1.getName());
+  obj1.free();
+  arr->get(2, &obj1);
+  if (!(altA = GfxColorSpace::parse(&obj1))) {
+    error(-1, "Bad Separation color space (alternate color space)");
+    goto err3;
+  }
+  obj1.free();
+  arr->get(3, &obj1);
+  if (!(funcA = Function::parse(&obj1))) {
+    goto err4;
+  }
+  if (!funcA->isOk()) {
+    goto err5;
+  }
+  obj1.free();
+  cs = new GfxSeparationColorSpace(nameA, altA, funcA);
+  return cs;
+
+ err5:
+  delete funcA;
+ err4:
+  delete altA;
+ err3:
+  delete nameA;
+ err2:
+  obj1.free();
+ err1:
+  return NULL;
+}
+
+void GfxSeparationColorSpace::getGray(GfxColor *color, double *gray) {
+  GfxColor color2;
+
+  func->transform(color->c, color2.c);
+  alt->getGray(&color2, gray);
+}
+
+void GfxSeparationColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  GfxColor color2;
+
+  func->transform(color->c, color2.c);
+  alt->getRGB(&color2, rgb);
+}
+
+void GfxSeparationColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  GfxColor color2;
+
+  func->transform(color->c, color2.c);
+  alt->getCMYK(&color2, cmyk);
+}
+
+//------------------------------------------------------------------------
+// GfxDeviceNColorSpace
+//------------------------------------------------------------------------
+
+GfxDeviceNColorSpace::GfxDeviceNColorSpace(int nCompsA,
+					   GfxColorSpace *altA,
+					   Function *funcA) {
+  nComps = nCompsA;
+  alt = altA;
+  func = funcA;
+}
+
+GfxDeviceNColorSpace::~GfxDeviceNColorSpace() {
+  int i;
+
+  for (i = 0; i < nComps; ++i) {
+    delete names[i];
+  }
+  delete alt;
+  delete func;
+}
+
+GfxColorSpace *GfxDeviceNColorSpace::copy() {
+  GfxDeviceNColorSpace *cs;
+  int i;
+
+  cs = new GfxDeviceNColorSpace(nComps, alt->copy(), func->copy());
+  for (i = 0; i < nComps; ++i) {
+    cs->names[i] = names[i]->copy();
+  }
+  return cs;
+}
+
+//~ handle the 'None' colorant
+GfxColorSpace *GfxDeviceNColorSpace::parse(Array *arr) {
+  GfxDeviceNColorSpace *cs;
+  int nCompsA;
+  GString *namesA[gfxColorMaxComps];
+  GfxColorSpace *altA;
+  Function *funcA;
+  Object obj1, obj2;
+  int i;
+
+  if (arr->getLength() != 4 && arr->getLength() != 5) {
+    error(-1, "Bad DeviceN color space");
+    goto err1;
+  }
+  if (!arr->get(1, &obj1)->isArray()) {
+    error(-1, "Bad DeviceN color space (names)");
+    goto err2;
+  }
+  nCompsA = obj1.arrayGetLength();
+  for (i = 0; i < nCompsA; ++i) {
+    if (!obj1.arrayGet(i, &obj2)->isName()) {
+      error(-1, "Bad DeviceN color space (names)");
+      obj2.free();
+      goto err2;
+    }
+    namesA[i] = new GString(obj2.getName());
+    obj2.free();
+  }
+  obj1.free();
+  arr->get(2, &obj1);
+  if (!(altA = GfxColorSpace::parse(&obj1))) {
+    error(-1, "Bad DeviceN color space (alternate color space)");
+    goto err3;
+  }
+  obj1.free();
+  arr->get(3, &obj1);
+  if (!(funcA = Function::parse(&obj1))) {
+    goto err4;
+  }
+  if (!funcA->isOk()) {
+    goto err5;
+  }
+  obj1.free();
+  cs = new GfxDeviceNColorSpace(nCompsA, altA, funcA);
+  for (i = 0; i < nCompsA; ++i) {
+    cs->names[i] = namesA[i];
+  }
+  return cs;
+
+ err5:
+  delete funcA;
+ err4:
+  delete altA;
+ err3:
+  for (i = 0; i < nCompsA; ++i) {
+    delete namesA[i];
+  }
+ err2:
+  obj1.free();
+ err1:
+  return NULL;
+}
+
+void GfxDeviceNColorSpace::getGray(GfxColor *color, double *gray) {
+  GfxColor color2;
+
+  func->transform(color->c, color2.c);
+  alt->getGray(&color2, gray);
+}
+
+void GfxDeviceNColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  GfxColor color2;
+
+  func->transform(color->c, color2.c);
+  alt->getRGB(&color2, rgb);
+}
+
+void GfxDeviceNColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  GfxColor color2;
+
+  func->transform(color->c, color2.c);
+  alt->getCMYK(&color2, cmyk);
+}
+
+//------------------------------------------------------------------------
+// GfxPatternColorSpace
+//------------------------------------------------------------------------
+
+GfxPatternColorSpace::GfxPatternColorSpace(GfxColorSpace *underA) {
+  under = underA;
+}
+
+GfxPatternColorSpace::~GfxPatternColorSpace() {
+  if (under) {
+    delete under;
+  }
+}
+
+GfxColorSpace *GfxPatternColorSpace::copy() {
+  return new GfxPatternColorSpace(under ? under->copy() :
+				          (GfxColorSpace *)NULL);
+}
+
+GfxColorSpace *GfxPatternColorSpace::parse(Array *arr) {
+  GfxPatternColorSpace *cs;
+  GfxColorSpace *underA;
+  Object obj1;
+
+  if (arr->getLength() != 1 && arr->getLength() != 2) {
+    error(-1, "Bad Pattern color space");
+    return NULL;
+  }
+  underA = NULL;
+  if (arr->getLength() == 2) {
+    arr->get(1, &obj1);
+    if (!(underA = GfxColorSpace::parse(&obj1))) {
+      error(-1, "Bad Pattern color space (underlying color space)");
+      obj1.free();
+      return NULL;
+    }
+    obj1.free();
+  }
+  cs = new GfxPatternColorSpace(underA);
+  return cs;
+}
+
+void GfxPatternColorSpace::getGray(GfxColor *color, double *gray) {
+  *gray = 0;
+}
+
+void GfxPatternColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
+  rgb->r = rgb->g = rgb->b = 0;
+}
+
+void GfxPatternColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
+  cmyk->c = cmyk->m = cmyk->y = 0;
+  cmyk->k = 1;
+}
+
+//------------------------------------------------------------------------
+// Pattern
+//------------------------------------------------------------------------
+
+GfxPattern::GfxPattern(int typeA) {
+  type = typeA;
+}
+
+GfxPattern::~GfxPattern() {
+}
+
+GfxPattern *GfxPattern::parse(Object *obj) {
+  GfxPattern *pattern;
+  Dict *dict;
+  Object obj1;
+
+  pattern = NULL;
+  if (obj->isStream()) {
+    dict = obj->streamGetDict();
+    dict->lookup("PatternType", &obj1);
+    if (obj1.isInt() && obj1.getInt() == 1) {
+      pattern = new GfxTilingPattern(dict, obj);
+    }
+    obj1.free();
+  }
+  return pattern;
+}
+
+//------------------------------------------------------------------------
+// GfxTilingPattern
+//------------------------------------------------------------------------
+
+GfxTilingPattern::GfxTilingPattern(Dict *streamDict, Object *stream):
+  GfxPattern(1)
+{
+  Object obj1, obj2;
+  int i;
+
+  if (streamDict->lookup("PaintType", &obj1)->isInt()) {
+    paintType = obj1.getInt();
+  } else {
+    paintType = 1;
+    error(-1, "Invalid or missing PaintType in pattern");
+  }
+  obj1.free();
+  if (streamDict->lookup("TilingType", &obj1)->isInt()) {
+    tilingType = obj1.getInt();
+  } else {
+    tilingType = 1;
+    error(-1, "Invalid or missing TilingType in pattern");
+  }
+  obj1.free();
+  bbox[0] = bbox[1] = 0;
+  bbox[2] = bbox[3] = 1;
+  if (streamDict->lookup("BBox", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 4) {
+    for (i = 0; i < 4; ++i) {
+      if (obj1.arrayGet(i, &obj2)->isNum()) {
+	bbox[i] = obj2.getNum();
+      }
+      obj2.free();
+    }
+  } else {
+    error(-1, "Invalid or missing BBox in pattern");
+  }
+  obj1.free();
+  if (streamDict->lookup("XStep", &obj1)->isNum()) {
+    xStep = obj1.getNum();
+  } else {
+    xStep = 1;
+    error(-1, "Invalid or missing XStep in pattern");
+  }
+  obj1.free();
+  if (streamDict->lookup("YStep", &obj1)->isNum()) {
+    yStep = obj1.getNum();
+  } else {
+    yStep = 1;
+    error(-1, "Invalid or missing YStep in pattern");
+  }
+  obj1.free();
+  if (!streamDict->lookup("Resources", &resDict)->isDict()) {
+    resDict.free();
+    resDict.initNull();
+    error(-1, "Invalid or missing Resources in pattern");
+  }
+  matrix[0] = 1; matrix[1] = 0;
+  matrix[2] = 0; matrix[3] = 1;
+  matrix[4] = 0; matrix[5] = 0;
+  if (streamDict->lookup("Matrix", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 6) {
+    for (i = 0; i < 6; ++i) {
+      if (obj1.arrayGet(i, &obj2)->isNum()) {
+	matrix[i] = obj2.getNum();
+      }
+      obj2.free();
+    }
+  }
+  obj1.free();
+  stream->copy(&contentStream);
+}
+
+GfxTilingPattern::~GfxTilingPattern() {
+  resDict.free();
+  contentStream.free();
+}
+
+GfxPattern *GfxTilingPattern::copy() {
+  return new GfxTilingPattern(this);
+}
+
+GfxTilingPattern::GfxTilingPattern(GfxTilingPattern *pat):
+  GfxPattern(1)
+{
+  memcpy(this, pat, sizeof(GfxTilingPattern));
+  pat->resDict.copy(&resDict);
+  pat->contentStream.copy(&contentStream);
+}
+
+//------------------------------------------------------------------------
+// GfxShading
+//------------------------------------------------------------------------
+
+GfxShading::GfxShading() {
+}
+
+GfxShading::~GfxShading() {
+  delete colorSpace;
+}
+
+GfxShading *GfxShading::parse(Object *obj) {
+  GfxShading *shading;
+  int typeA;
+  GfxColorSpace *colorSpaceA;
+  GfxColor backgroundA;
+  GBool hasBackgroundA;
+  double xMinA, yMinA, xMaxA, yMaxA;
+  GBool hasBBoxA;
+  Object obj1, obj2;
+  int i;
+
+  shading = NULL;
+  if (obj->isDict()) {
+
+    if (!obj->dictLookup("ShadingType", &obj1)->isInt()) {
+      error(-1, "Invalid ShadingType in shading dictionary");
+      obj1.free();
+      goto err1;
+    }
+    typeA = obj1.getInt();
+    obj1.free();
+    if (typeA != 2) {
+      error(-1, "Unimplemented shading type %d", typeA);
+      goto err1;
+    }
+
+    obj->dictLookup("ColorSpace", &obj1);
+    if (!(colorSpaceA = GfxColorSpace::parse(&obj1))) {
+      error(-1, "Bad color space in shading dictionary");
+      obj1.free();
+      goto err1;
+    }
+    obj1.free();
+
+    for (i = 0; i < gfxColorMaxComps; ++i) {
+      backgroundA.c[i] = 0;
+    }
+    hasBackgroundA = gFalse;
+    if (obj->dictLookup("Background", &obj1)->isArray()) {
+      if (obj1.arrayGetLength() == colorSpaceA->getNComps()) {
+	hasBackgroundA = gTrue;
+	for (i = 0; i < colorSpaceA->getNComps(); ++i) {
+	  backgroundA.c[i] = obj1.arrayGet(i, &obj2)->getNum();
+	  obj2.free();
+	}
+      } else {
+	error(-1, "Bad Background in shading dictionary");
+      }
+    }
+    obj1.free();
+
+    xMinA = yMinA = xMaxA = yMaxA = 0;
+    hasBBoxA = gFalse;
+    if (obj->dictLookup("BBox", &obj1)->isArray()) {
+      if (obj1.arrayGetLength() == 4) {
+	hasBBoxA = gTrue;
+	xMinA = obj1.arrayGet(0, &obj2)->getNum();
+	obj2.free();
+	yMinA = obj1.arrayGet(1, &obj2)->getNum();
+	obj2.free();
+	xMaxA = obj1.arrayGet(2, &obj2)->getNum();
+	obj2.free();
+	yMaxA = obj1.arrayGet(3, &obj2)->getNum();
+	obj2.free();
+      } else {
+	error(-1, "Bad BBox in shading dictionary");
+      }
+    }
+    obj1.free();
+
+    shading = GfxAxialShading::parse(obj->getDict());
+
+    if (shading) {
+      shading->type = typeA;
+      shading->colorSpace = colorSpaceA;
+      shading->background = backgroundA;
+      shading->hasBackground = hasBackgroundA;
+      shading->xMin = xMinA;
+      shading->yMin = yMinA;
+      shading->xMax = xMaxA;
+      shading->yMax = yMaxA;
+      shading->hasBBox = hasBBoxA;
+    }
+  }
+
+  return shading;
+
+ err1:
+  return NULL;
+}
+
+//------------------------------------------------------------------------
+// GfxAxialShading
+//------------------------------------------------------------------------
+
+GfxAxialShading::GfxAxialShading(double x0A, double y0A,
+				 double x1A, double y1A,
+				 double t0A, double t1A,
+				 Function **funcsA, int nFuncsA,
+				 GBool extend0A, GBool extend1A) {
+  int i;
+
+  x0 = x0A;
+  y0 = y0A;
+  x1 = x1A;
+  y1 = y1A;
+  t0 = t0A;
+  t1 = t1A;
+  nFuncs = nFuncsA;
+  for (i = 0; i < nFuncs; ++i) {
+    funcs[i] = funcsA[i];
+  }
+  extend0 = extend0A;
+  extend1 = extend1A;
+}
+
+GfxAxialShading::~GfxAxialShading() {
+  int i;
+
+  for (i = 0; i < nFuncs; ++i) {
+    delete funcs[i];
+  }
+}
+
+GfxAxialShading *GfxAxialShading::parse(Dict *dict) {
+  double x0A, y0A, x1A, y1A;
+  double t0A, t1A;
+  Function *funcsA[gfxColorMaxComps];
+  int nFuncsA;
+  GBool extend0A, extend1A;
+  Object obj1, obj2;
+  int i;
+
+  x0A = y0A = x1A = y1A = 0;
+  if (dict->lookup("Coords", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 4) {
+    x0A = obj1.arrayGet(0, &obj2)->getNum();
+    obj2.free();
+    y0A = obj1.arrayGet(1, &obj2)->getNum();
+    obj2.free();
+    x1A = obj1.arrayGet(2, &obj2)->getNum();
+    obj2.free();
+    y1A = obj1.arrayGet(3, &obj2)->getNum();
+    obj2.free();
+  } else {
+    error(-1, "Missing or invalid Coords in shading dictionary");
+    goto err1;
+  }
+  obj1.free();
+
+  t0A = 0;
+  t1A = 1;
+  if (dict->lookup("Domain", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 2) {
+    t0A = obj1.arrayGet(0, &obj2)->getNum();
+    obj2.free();
+    t1A = obj1.arrayGet(1, &obj2)->getNum();
+    obj2.free();
+  }
+  obj1.free();
+
+  dict->lookup("Function", &obj1);
+  if (obj1.isArray()) {
+    nFuncsA = obj1.arrayGetLength();
+    for (i = 0; i < nFuncsA; ++i) {
+      obj1.arrayGet(i, &obj2);
+      if (!(funcsA[i] = Function::parse(&obj2))) {
+	obj1.free();
+	obj2.free();
+	goto err1;
+      }
+      obj2.free();
+    }
+  } else {
+    nFuncsA = 1;
+    if (!(funcsA[0] = Function::parse(&obj1))) {
+      obj1.free();
+      goto err1;
+    }
+  }
+  obj1.free();
+  for (i = 0; i < nFuncsA; ++i) {
+    if (!funcsA[i]->isOk()) {
+      goto err2;
+    }
+  }
+
+  extend0A = extend1A = gFalse;
+  if (dict->lookup("Extend", &obj1)->isArray() &&
+      obj1.arrayGetLength() == 2) {
+    extend0A = obj1.arrayGet(0, &obj2)->getBool();
+    obj2.free();
+    extend1A = obj1.arrayGet(1, &obj2)->getBool();
+    obj2.free();
+  }
+  obj1.free();
+
+  return new GfxAxialShading(x0A, y0A, x1A, y1A, t0A, t1A,
+			     funcsA, nFuncsA, extend0A, extend1A);
+
+ err2:
+  for (i = 0; i < nFuncsA; ++i) {
+    delete funcsA[i];
+  }
+ err1:
+  return NULL;
+}
+
+void GfxAxialShading::getColor(double t, GfxColor *color) {
+  int i;
+
+  for (i = 0; i < nFuncs; ++i) {
+    funcs[i]->transform(&t, &color->c[i]);
+  }
+}
+
+//------------------------------------------------------------------------
+// GfxImageColorMap
+//------------------------------------------------------------------------
+
+GfxImageColorMap::GfxImageColorMap(int bitsA, Object *decode,
+				   GfxColorSpace *colorSpaceA) {
+  GfxIndexedColorSpace *indexedCS;
+  GfxSeparationColorSpace *sepCS;
+  int maxPixel, indexHigh;
+  Guchar *lookup2;
+  Function *sepFunc;
+  Object obj;
+  double x[gfxColorMaxComps];
+  double y[gfxColorMaxComps];
+  int i, j, k;
+
+  ok = gTrue;
+
+  // bits per component and color space
+  bits = bitsA;
+  maxPixel = (1 << bits) - 1;
+  colorSpace = colorSpaceA;
+
+  // get decode map
+  if (decode->isNull()) {
+    nComps = colorSpace->getNComps();
+    colorSpace->getDefaultRanges(decodeLow, decodeRange, maxPixel);
+  } else if (decode->isArray()) {
+    nComps = decode->arrayGetLength() / 2;
+    if (nComps != colorSpace->getNComps()) {
+      goto err1;
+    }
+    for (i = 0; i < nComps; ++i) {
+      decode->arrayGet(2*i, &obj);
+      if (!obj.isNum()) {
+	goto err2;
+      }
+      decodeLow[i] = obj.getNum();
+      obj.free();
+      decode->arrayGet(2*i+1, &obj);
+      if (!obj.isNum()) {
+	goto err2;
+      }
+      decodeRange[i] = obj.getNum() - decodeLow[i];
+      obj.free();
+    }
+  } else {
+    goto err1;
+  }
+
+#if 0 //~
+  // handle the case where fewer than 2^n palette entries of an n-bit
+  // indexed color space are populated (this happens, e.g., in files
+  // optimized by Distiller)
+  if (colorSpace->getMode() == csIndexed) {
+    i = ((GfxIndexedColorSpace *)colorSpace)->getIndexHigh();
+    if (i < maxPixel) {
+      maxPixel = i;
+    }
+  }
+#endif
+
+  // Construct a lookup table -- this stores pre-computed decoded
+  // values for each component, i.e., the result of applying the
+  // decode mapping to each possible image pixel component value.
+  //
+  // Optimization: for Indexed and Separation color spaces (which have
+  // only one component), we store color values in the lookup table
+  // rather than component values.
+  colorSpace2 = NULL;
+  nComps2 = 0;
+  if (colorSpace->getMode() == csIndexed) {
+    // Note that indexHigh may not be the same as maxPixel --
+    // Distiller will remove unused palette entries, resulting in
+    // indexHigh < maxPixel.
+    indexedCS = (GfxIndexedColorSpace *)colorSpace;
+    colorSpace2 = indexedCS->getBase();
+    indexHigh = indexedCS->getIndexHigh();
+    nComps2 = colorSpace2->getNComps();
+    lookup = (double *)gmalloc((indexHigh + 1) * nComps2 * sizeof(double));
+    lookup2 = indexedCS->getLookup();
+    for (i = 0; i <= indexHigh; ++i) {
+      j = (int)(decodeLow[0] +(i * decodeRange[0]) / maxPixel + 0.5);
+      for (k = 0; k < nComps2; ++k) {
+	lookup[i*nComps2 + k] = lookup2[i*nComps2 + k] / 255.0;
+      }
+    }
+  } else if (colorSpace->getMode() == csSeparation) {
+    sepCS = (GfxSeparationColorSpace *)colorSpace;
+    colorSpace2 = sepCS->getAlt();
+    nComps2 = colorSpace2->getNComps();
+    lookup = (double *)gmalloc((maxPixel + 1) * nComps2 * sizeof(double));
+    sepFunc = sepCS->getFunc();
+    for (i = 0; i <= maxPixel; ++i) {
+      x[0] = decodeLow[0] + (i * decodeRange[0]) / maxPixel;
+      sepFunc->transform(x, y);
+      for (k = 0; k < nComps2; ++k) {
+	lookup[i*nComps2 + k] = y[k];
+      }
+    }
+  } else {
+    lookup = (double *)gmalloc((maxPixel + 1) * nComps * sizeof(double));
+    for (i = 0; i <= maxPixel; ++i) {
+      for (k = 0; k < nComps; ++k) {
+	lookup[i*nComps + k] = decodeLow[k] +
+	                         (i * decodeRange[k]) / maxPixel;
+      }
+    }
+  }
+
+  return;
+
+ err2:
+  obj.free();
+ err1:
+  ok = gFalse;
+}
+
+GfxImageColorMap::~GfxImageColorMap() {
+  delete colorSpace;
+  gfree(lookup);
+}
+
+void GfxImageColorMap::getGray(Guchar *x, double *gray) {
+  GfxColor color;
+  double *p;
+  int i;
+
+  if (colorSpace2) {
+    p = &lookup[x[0] * nComps2];
+    for (i = 0; i < nComps2; ++i) {
+      color.c[i] = *p++;
+    }
+    colorSpace2->getGray(&color, gray);
+  } else {
+    for (i = 0; i < nComps; ++i) {
+      color.c[i] = lookup[x[i] * nComps + i];
+    }
+    colorSpace->getGray(&color, gray);
+  }
+}
+
+void GfxImageColorMap::getRGB(Guchar *x, GfxRGB *rgb) {
+  GfxColor color;
+  double *p;
+  int i;
+
+  if (colorSpace2) {
+    p = &lookup[x[0] * nComps2];
+    for (i = 0; i < nComps2; ++i) {
+      color.c[i] = *p++;
+    }
+    colorSpace2->getRGB(&color, rgb);
+  } else {
+    for (i = 0; i < nComps; ++i) {
+      color.c[i] = lookup[x[i] * nComps + i];
+    }
+    colorSpace->getRGB(&color, rgb);
+  }
+}
+
+void GfxImageColorMap::getCMYK(Guchar *x, GfxCMYK *cmyk) {
+  GfxColor color;
+  double *p;
+  int i;
+
+  if (colorSpace2) {
+    p = &lookup[x[0] * nComps2];
+    for (i = 0; i < nComps2; ++i) {
+      color.c[i] = *p++;
+    }
+    colorSpace2->getCMYK(&color, cmyk);
+  } else {
+    for (i = 0; i < nComps; ++i) {
+      color.c[i] = lookup[x[i] * nComps + i];
+    }
+    colorSpace->getCMYK(&color, cmyk);
+  }
+}
+
+//------------------------------------------------------------------------
+// GfxSubpath and GfxPath
+//------------------------------------------------------------------------
+
+GfxSubpath::GfxSubpath(double x1, double y1) {
+  size = 16;
+  x = (double *)gmalloc(size * sizeof(double));
+  y = (double *)gmalloc(size * sizeof(double));
+  curve = (GBool *)gmalloc(size * sizeof(GBool));
+  n = 1;
+  x[0] = x1;
+  y[0] = y1;
+  curve[0] = gFalse;
+  closed = gFalse;
+}
+
+GfxSubpath::~GfxSubpath() {
+  gfree(x);
+  gfree(y);
+  gfree(curve);
+}
+
+// Used for copy().
+GfxSubpath::GfxSubpath(GfxSubpath *subpath) {
+  size = subpath->size;
+  n = subpath->n;
+  x = (double *)gmalloc(size * sizeof(double));
+  y = (double *)gmalloc(size * sizeof(double));
+  curve = (GBool *)gmalloc(size * sizeof(GBool));
+  memcpy(x, subpath->x, n * sizeof(double));
+  memcpy(y, subpath->y, n * sizeof(double));
+  memcpy(curve, subpath->curve, n * sizeof(GBool));
+  closed = subpath->closed;
+}
+
+void GfxSubpath::lineTo(double x1, double y1) {
+  if (n >= size) {
+    size += 16;
+    x = (double *)grealloc(x, size * sizeof(double));
+    y = (double *)grealloc(y, size * sizeof(double));
+    curve = (GBool *)grealloc(curve, size * sizeof(GBool));
+  }
+  x[n] = x1;
+  y[n] = y1;
+  curve[n] = gFalse;
+  ++n;
+}
+
+void GfxSubpath::curveTo(double x1, double y1, double x2, double y2,
+			 double x3, double y3) {
+  if (n+3 > size) {
+    size += 16;
+    x = (double *)grealloc(x, size * sizeof(double));
+    y = (double *)grealloc(y, size * sizeof(double));
+    curve = (GBool *)grealloc(curve, size * sizeof(GBool));
+  }
+  x[n] = x1;
+  y[n] = y1;
+  x[n+1] = x2;
+  y[n+1] = y2;
+  x[n+2] = x3;
+  y[n+2] = y3;
+  curve[n] = curve[n+1] = gTrue;
+  curve[n+2] = gFalse;
+  n += 3;
+}
+
+void GfxSubpath::close() {
+  if (x[n-1] != x[0] || y[n-1] != y[0]) {
+    lineTo(x[0], y[0]);
+  }
+  closed = gTrue;
+}
+
+GfxPath::GfxPath() {
+  justMoved = gFalse;
+  size = 16;
+  n = 0;
+  firstX = firstY = 0;
+  subpaths = (GfxSubpath **)gmalloc(size * sizeof(GfxSubpath *));
+}
+
+GfxPath::~GfxPath() {
+  int i;
+
+  for (i = 0; i < n; ++i)
+    delete subpaths[i];
+  gfree(subpaths);
+}
+
+// Used for copy().
+GfxPath::GfxPath(GBool justMoved1, double firstX1, double firstY1,
+		 GfxSubpath **subpaths1, int n1, int size1) {
+  int i;
+
+  justMoved = justMoved1;
+  firstX = firstX1;
+  firstY = firstY1;
+  size = size1;
+  n = n1;
+  subpaths = (GfxSubpath **)gmalloc(size * sizeof(GfxSubpath *));
+  for (i = 0; i < n; ++i)
+    subpaths[i] = subpaths1[i]->copy();
+}
+
+void GfxPath::moveTo(double x, double y) {
+  justMoved = gTrue;
+  firstX = x;
+  firstY = y;
+}
+
+void GfxPath::lineTo(double x, double y) {
+  if (justMoved) {
+    if (n >= size) {
+      size += 16;
+      subpaths = (GfxSubpath **)
+	           grealloc(subpaths, size * sizeof(GfxSubpath *));
+    }
+    subpaths[n] = new GfxSubpath(firstX, firstY);
+    ++n;
+    justMoved = gFalse;
+  }
+  subpaths[n-1]->lineTo(x, y);
+}
+
+void GfxPath::curveTo(double x1, double y1, double x2, double y2,
+	     double x3, double y3) {
+  if (justMoved) {
+    if (n >= size) {
+      size += 16;
+      subpaths = (GfxSubpath **)
+	           grealloc(subpaths, size * sizeof(GfxSubpath *));
+    }
+    subpaths[n] = new GfxSubpath(firstX, firstY);
+    ++n;
+    justMoved = gFalse;
+  }
+  subpaths[n-1]->curveTo(x1, y1, x2, y2, x3, y3);
+}
+
+
+//------------------------------------------------------------------------
+// GfxState
+//------------------------------------------------------------------------
+
+GfxState::GfxState(double dpi, PDFRectangle *pageBox, int rotate,
+		   GBool upsideDown) {
+  double k;
+
+  px1 = pageBox->x1;
+  py1 = pageBox->y1;
+  px2 = pageBox->x2;
+  py2 = pageBox->y2;
+  k = dpi / 72.0;
+  if (rotate == 90) {
+    ctm[0] = 0;
+    ctm[1] = upsideDown ? k : -k;
+    ctm[2] = k;
+    ctm[3] = 0;
+    ctm[4] = -k * py1;
+    ctm[5] = k * (upsideDown ? -px1 : px2);
+    pageWidth = k * (py2 - py1);
+    pageHeight = k * (px2 - px1);
+  } else if (rotate == 180) {
+    ctm[0] = -k;
+    ctm[1] = 0;
+    ctm[2] = 0;
+    ctm[3] = upsideDown ? k : -k;
+    ctm[4] = k * px2;
+    ctm[5] = k * (upsideDown ? -py1 : py2);
+    pageWidth = k * (px2 - px1);
+    pageHeight = k * (py2 - py1);
+  } else if (rotate == 270) {
+    ctm[0] = 0;
+    ctm[1] = upsideDown ? -k : k;
+    ctm[2] = -k;
+    ctm[3] = 0;
+    ctm[4] = k * py2;
+    ctm[5] = k * (upsideDown ? px2 : -px1);
+    pageWidth = k * (py2 - py1);
+    pageHeight = k * (px2 - px1);
+  } else {
+    ctm[0] = k;
+    ctm[1] = 0;
+    ctm[2] = 0;
+    ctm[3] = upsideDown ? -k : k;
+    ctm[4] = -k * px1;
+    ctm[5] = k * (upsideDown ? py2 : -py1);
+    pageWidth = k * (px2 - px1);
+    pageHeight = k * (py2 - py1);
+  }
+
+  fillColorSpace = new GfxDeviceGrayColorSpace();
+  strokeColorSpace = new GfxDeviceGrayColorSpace();
+  fillColor.c[0] = 0;
+  strokeColor.c[0] = 0;
+  fillPattern = NULL;
+  strokePattern = NULL;
+  fillOpacity = 1;
+  strokeOpacity = 1;
+
+  lineWidth = 1;
+  lineDash = NULL;
+  lineDashLength = 0;
+  lineDashStart = 0;
+  flatness = 0;
+  lineJoin = 0;
+  lineCap = 0;
+  miterLimit = 10;
+
+  font = NULL;
+  fontSize = 0;
+  textMat[0] = 1; textMat[1] = 0;
+  textMat[2] = 0; textMat[3] = 1;
+  textMat[4] = 0; textMat[5] = 0;
+  charSpace = 0;
+  wordSpace = 0;
+  horizScaling = 1;
+  leading = 0;
+  rise = 0;
+  render = 0;
+
+  path = new GfxPath();
+  curX = curY = 0;
+  lineX = lineY = 0;
+
+  clipXMin = 0;
+  clipYMin = 0;
+  clipXMax = pageWidth;
+  clipYMax = pageHeight;
+
+  saved = NULL;
+}
+
+GfxState::~GfxState() {
+  if (fillColorSpace) {
+    delete fillColorSpace;
+  }
+  if (strokeColorSpace) {
+    delete strokeColorSpace;
+  }
+  if (fillPattern) {
+    delete fillPattern;
+  }
+  if (strokePattern) {
+    delete strokePattern;
+  }
+  gfree(lineDash);
+  delete path;
+  if (saved) {
+    delete saved;
+  }
+}
+
+// Used for copy();
+GfxState::GfxState(GfxState *state) {
+  memcpy(this, state, sizeof(GfxState));
+  if (fillColorSpace) {
+    fillColorSpace = state->fillColorSpace->copy();
+  }
+  if (strokeColorSpace) {
+    strokeColorSpace = state->strokeColorSpace->copy();
+  }
+  if (fillPattern) {
+    fillPattern = state->fillPattern->copy();
+  }
+  if (strokePattern) {
+    strokePattern = state->strokePattern->copy();
+  }
+  if (lineDashLength > 0) {
+    lineDash = (double *)gmalloc(lineDashLength * sizeof(double));
+    memcpy(lineDash, state->lineDash, lineDashLength * sizeof(double));
+  }
+  path = state->path->copy();
+  saved = NULL;
+}
+
+double GfxState::transformWidth(double w) {
+  double x, y;
+
+  x = ctm[0] + ctm[2];
+  y = ctm[1] + ctm[3];
+  return w * sqrt(0.5 * (x * x + y * y));
+}
+
+double GfxState::getTransformedFontSize() {
+  double x1, y1, x2, y2;
+
+  x1 = textMat[2] * fontSize;
+  y1 = textMat[3] * fontSize;
+  x2 = ctm[0] * x1 + ctm[2] * y1;
+  y2 = ctm[1] * x1 + ctm[3] * y1;
+  return sqrt(x2 * x2 + y2 * y2);
+}
+
+void GfxState::getFontTransMat(double *m11, double *m12,
+			       double *m21, double *m22) {
+  *m11 = (textMat[0] * ctm[0] + textMat[1] * ctm[2]) * fontSize;
+  *m12 = (textMat[0] * ctm[1] + textMat[1] * ctm[3]) * fontSize;
+  *m21 = (textMat[2] * ctm[0] + textMat[3] * ctm[2]) * fontSize;
+  *m22 = (textMat[2] * ctm[1] + textMat[3] * ctm[3]) * fontSize;
+}
+
+void GfxState::setCTM(double a, double b, double c,
+		      double d, double e, double f) {
+  ctm[0] = a;
+  ctm[1] = b;
+  ctm[2] = c;
+  ctm[3] = d;
+  ctm[4] = e;
+  ctm[5] = f;
+}
+
+void GfxState::concatCTM(double a, double b, double c,
+			 double d, double e, double f) {
+  double a1 = ctm[0];
+  double b1 = ctm[1];
+  double c1 = ctm[2];
+  double d1 = ctm[3];
+
+  ctm[0] = a * a1 + b * c1;
+  ctm[1] = a * b1 + b * d1;
+  ctm[2] = c * a1 + d * c1;
+  ctm[3] = c * b1 + d * d1;
+  ctm[4] = e * a1 + f * c1 + ctm[4];
+  ctm[5] = e * b1 + f * d1 + ctm[5];
+}
+
+void GfxState::setFillColorSpace(GfxColorSpace *colorSpace) {
+  if (fillColorSpace) {
+    delete fillColorSpace;
+  }
+  fillColorSpace = colorSpace;
+}
+
+void GfxState::setStrokeColorSpace(GfxColorSpace *colorSpace) {
+  if (strokeColorSpace) {
+    delete strokeColorSpace;
+  }
+  strokeColorSpace = colorSpace;
+}
+
+void GfxState::setFillPattern(GfxPattern *pattern) {
+  if (fillPattern) {
+    delete fillPattern;
+  }
+  fillPattern = pattern;
+}
+
+void GfxState::setStrokePattern(GfxPattern *pattern) {
+  if (strokePattern) {
+    delete strokePattern;
+  }
+  strokePattern = pattern;
+}
+
+void GfxState::setLineDash(double *dash, int length, double start) {
+  if (lineDash)
+    gfree(lineDash);
+  lineDash = dash;
+  lineDashLength = length;
+  lineDashStart = start;
+}
+
+void GfxState::clearPath() {
+  delete path;
+  path = new GfxPath();
+}
+
+void GfxState::clip() {
+  double xMin, yMin, xMax, yMax, x, y;
+  GfxSubpath *subpath;
+  int i, j;
+
+  xMin = xMax = yMin = yMax = 0; // make gcc happy
+  for (i = 0; i < path->getNumSubpaths(); ++i) {
+    subpath = path->getSubpath(i);
+    for (j = 0; j < subpath->getNumPoints(); ++j) {
+      transform(subpath->getX(j), subpath->getY(j), &x, &y);
+      if (i == 0 && j == 0) {
+	xMin = xMax = x;
+	yMin = yMax = y;
+      } else {
+	if (x < xMin) {
+	  xMin = x;
+	} else if (x > xMax) {
+	  xMax = x;
+	}
+	if (y < yMin) {
+	  yMin = y;
+	} else if (y > yMax) {
+	  yMax = y;
+	}
+      }
+    }
+  }
+  if (xMin > clipXMin) {
+    clipXMin = xMin;
+  }
+  if (yMin > clipYMin) {
+    clipYMin = yMin;
+  }
+  if (xMax < clipXMax) {
+    clipXMax = xMax;
+  }
+  if (yMax < clipYMax) {
+    clipYMax = yMax;
+  }
+}
+
+void GfxState::textShift(double tx) {
+  double dx, dy;
+
+  textTransformDelta(tx, 0, &dx, &dy);
+  curX += dx;
+  curY += dy;
+}
+
+void GfxState::textShift(double tx, double ty) {
+  double dx, dy;
+
+  textTransformDelta(tx, ty, &dx, &dy);
+  curX += dx;
+  curY += dy;
+}
+
+GfxState *GfxState::save() {
+  GfxState *newState;
+
+  newState = copy();
+  newState->saved = this;
+  return newState;
+}
+
+GfxState *GfxState::restore() {
+  GfxState *oldState;
+
+  if (saved) {
+    oldState = saved;
+    saved = NULL;
+    delete this;
+  } else {
+    oldState = this;
+  }
+  return oldState;
+}
diff --git a/pdftops/GfxState.h b/pdftops/GfxState.h
new file mode 100644
index 000000000..a628f6bf1
--- /dev/null
+++ b/pdftops/GfxState.h
@@ -0,0 +1,922 @@
+//========================================================================
+//
+// GfxState.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef GFXSTATE_H
+#define GFXSTATE_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "Object.h"
+#include "Function.h"
+
+class Array;
+class GfxFont;
+struct PDFRectangle;
+
+//------------------------------------------------------------------------
+// GfxColor
+//------------------------------------------------------------------------
+
+#define gfxColorMaxComps funcMaxOutputs
+
+struct GfxColor {
+  double c[gfxColorMaxComps];
+};
+
+//------------------------------------------------------------------------
+// GfxRGB
+//------------------------------------------------------------------------
+
+struct GfxRGB {
+  double r, g, b;
+};
+
+//------------------------------------------------------------------------
+// GfxCMYK
+//------------------------------------------------------------------------
+
+struct GfxCMYK {
+  double c, m, y, k;
+};
+
+//------------------------------------------------------------------------
+// GfxColorSpace
+//------------------------------------------------------------------------
+
+enum GfxColorSpaceMode {
+  csDeviceGray,
+  csCalGray,
+  csDeviceRGB,
+  csCalRGB,
+  csDeviceCMYK,
+  csLab,
+  csICCBased,
+  csIndexed,
+  csSeparation,
+  csDeviceN,
+  csPattern
+};
+
+class GfxColorSpace {
+public:
+
+  GfxColorSpace();
+  virtual ~GfxColorSpace();
+  virtual GfxColorSpace *copy() = 0;
+  virtual GfxColorSpaceMode getMode() = 0;
+
+  // Construct a color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Object *csObj);
+
+  // Convert to gray, RGB, or CMYK.
+  virtual void getGray(GfxColor *color, double *gray) = 0;
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb) = 0;
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk) = 0;
+
+  // Return the number of color components.
+  virtual int getNComps() = 0;
+
+  // Return the default ranges for each component, assuming an image
+  // with a max pixel value of <maxImgPixel>.
+  virtual void getDefaultRanges(double *decodeLow, double *decodeRange,
+				int maxImgPixel);
+
+private:
+};
+
+//------------------------------------------------------------------------
+// GfxDeviceGrayColorSpace
+//------------------------------------------------------------------------
+
+class GfxDeviceGrayColorSpace: public GfxColorSpace {
+public:
+
+  GfxDeviceGrayColorSpace();
+  virtual ~GfxDeviceGrayColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csDeviceGray; }
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 1; }
+
+private:
+};
+
+//------------------------------------------------------------------------
+// GfxCalGrayColorSpace
+//------------------------------------------------------------------------
+
+class GfxCalGrayColorSpace: public GfxColorSpace {
+public:
+
+  GfxCalGrayColorSpace();
+  virtual ~GfxCalGrayColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csCalGray; }
+
+  // Construct a CalGray color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 1; }
+
+  // CalGray-specific access.
+  double getWhiteX() { return whiteX; }
+  double getWhiteY() { return whiteY; }
+  double getWhiteZ() { return whiteZ; }
+  double getBlackX() { return blackX; }
+  double getBlackY() { return blackY; }
+  double getBlackZ() { return blackZ; }
+  double getGamma() { return gamma; }
+
+private:
+
+  double whiteX, whiteY, whiteZ;    // white point
+  double blackX, blackY, blackZ;    // black point
+  double gamma;			    // gamma value
+};
+
+//------------------------------------------------------------------------
+// GfxDeviceRGBColorSpace
+//------------------------------------------------------------------------
+
+class GfxDeviceRGBColorSpace: public GfxColorSpace {
+public:
+
+  GfxDeviceRGBColorSpace();
+  virtual ~GfxDeviceRGBColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csDeviceRGB; }
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 3; }
+
+private:
+};
+
+//------------------------------------------------------------------------
+// GfxCalRGBColorSpace
+//------------------------------------------------------------------------
+
+class GfxCalRGBColorSpace: public GfxColorSpace {
+public:
+
+  GfxCalRGBColorSpace();
+  virtual ~GfxCalRGBColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csCalRGB; }
+
+  // Construct a CalRGB color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 3; }
+
+  // CalRGB-specific access.
+  double getWhiteX() { return whiteX; }
+  double getWhiteY() { return whiteY; }
+  double getWhiteZ() { return whiteZ; }
+  double getBlackX() { return blackX; }
+  double getBlackY() { return blackY; }
+  double getBlackZ() { return blackZ; }
+  double getGammaR() { return gammaR; }
+  double getGammaG() { return gammaG; }
+  double getGammaB() { return gammaB; }
+  double *getMatrix() { return mat; }
+
+private:
+
+  double whiteX, whiteY, whiteZ;    // white point
+  double blackX, blackY, blackZ;    // black point
+  double gammaR, gammaG, gammaB;    // gamma values
+  double mat[9];		// ABC -> XYZ transform matrix
+};
+
+//------------------------------------------------------------------------
+// GfxDeviceCMYKColorSpace
+//------------------------------------------------------------------------
+
+class GfxDeviceCMYKColorSpace: public GfxColorSpace {
+public:
+
+  GfxDeviceCMYKColorSpace();
+  virtual ~GfxDeviceCMYKColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csDeviceCMYK; }
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 4; }
+
+private:
+};
+
+//------------------------------------------------------------------------
+// GfxLabColorSpace
+//------------------------------------------------------------------------
+
+class GfxLabColorSpace: public GfxColorSpace {
+public:
+
+  GfxLabColorSpace();
+  virtual ~GfxLabColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csLab; }
+
+  // Construct a Lab color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 3; }
+
+  virtual void getDefaultRanges(double *decodeLow, double *decodeRange,
+				int maxImgPixel);
+
+  // Lab-specific access.
+  double getWhiteX() { return whiteX; }
+  double getWhiteY() { return whiteY; }
+  double getWhiteZ() { return whiteZ; }
+  double getBlackX() { return blackX; }
+  double getBlackY() { return blackY; }
+  double getBlackZ() { return blackZ; }
+  double getAMin() { return aMin; }
+  double getAMax() { return aMax; }
+  double getBMin() { return bMin; }
+  double getBMax() { return bMax; }
+
+private:
+
+  double whiteX, whiteY, whiteZ;    // white point
+  double blackX, blackY, blackZ;    // black point
+  double aMin, aMax, bMin, bMax;    // range for the a and b components
+  double kr, kg, kb;		    // gamut mapping mulitpliers
+};
+
+//------------------------------------------------------------------------
+// GfxICCBasedColorSpace
+//------------------------------------------------------------------------
+
+class GfxICCBasedColorSpace: public GfxColorSpace {
+public:
+
+  GfxICCBasedColorSpace(int nCompsA, GfxColorSpace *altA,
+			Ref *iccProfileStreamA);
+  virtual ~GfxICCBasedColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csICCBased; }
+
+  // Construct an ICCBased color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return nComps; }
+
+  virtual void getDefaultRanges(double *decodeLow, double *decodeRange,
+				int maxImgPixel);
+
+  // ICCBased-specific access.
+  GfxColorSpace *getAlt() { return alt; }
+
+private:
+
+  int nComps;			// number of color components (1, 3, or 4)
+  GfxColorSpace *alt;		// alternate color space
+  double rangeMin[4];		// min values for each component
+  double rangeMax[4];		// max values for each component
+  Ref iccProfileStream;		// the ICC profile
+};
+
+//------------------------------------------------------------------------
+// GfxIndexedColorSpace
+//------------------------------------------------------------------------
+
+class GfxIndexedColorSpace: public GfxColorSpace {
+public:
+
+  GfxIndexedColorSpace(GfxColorSpace *baseA, int indexHighA);
+  virtual ~GfxIndexedColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csIndexed; }
+
+  // Construct a Lab color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 1; }
+
+  virtual void getDefaultRanges(double *decodeLow, double *decodeRange,
+				int maxImgPixel);
+
+  // Indexed-specific access.
+  GfxColorSpace *getBase() { return base; }
+  int getIndexHigh() { return indexHigh; }
+  Guchar *getLookup() { return lookup; }
+
+private:
+
+  GfxColorSpace *base;		// base color space
+  int indexHigh;		// max pixel value
+  Guchar *lookup;		// lookup table
+};
+
+//------------------------------------------------------------------------
+// GfxSeparationColorSpace
+//------------------------------------------------------------------------
+
+class GfxSeparationColorSpace: public GfxColorSpace {
+public:
+
+  GfxSeparationColorSpace(GString *nameA, GfxColorSpace *altA,
+			  Function *funcA);
+  virtual ~GfxSeparationColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csSeparation; }
+
+  // Construct a Separation color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 1; }
+
+  // Separation-specific access.
+  GString *getName() { return name; }
+  GfxColorSpace *getAlt() { return alt; }
+  Function *getFunc() { return func; }
+
+private:
+
+  GString *name;		// colorant name
+  GfxColorSpace *alt;		// alternate color space
+  Function *func;		// tint transform (into alternate color space)
+};
+
+//------------------------------------------------------------------------
+// GfxDeviceNColorSpace
+//------------------------------------------------------------------------
+
+class GfxDeviceNColorSpace: public GfxColorSpace {
+public:
+
+  GfxDeviceNColorSpace(int nComps, GfxColorSpace *alt, Function *func);
+  virtual ~GfxDeviceNColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csDeviceN; }
+
+  // Construct a DeviceN color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return nComps; }
+
+  // DeviceN-specific access.
+  GfxColorSpace *getAlt() { return alt; }
+
+private:
+
+  int nComps;			// number of components
+  GString			// colorant names
+    *names[gfxColorMaxComps];
+  GfxColorSpace *alt;		// alternate color space
+  Function *func;		// tint transform (into alternate color space)
+  
+};
+
+//------------------------------------------------------------------------
+// GfxPatternColorSpace
+//------------------------------------------------------------------------
+
+class GfxPatternColorSpace: public GfxColorSpace {
+public:
+
+  GfxPatternColorSpace(GfxColorSpace *underA);
+  virtual ~GfxPatternColorSpace();
+  virtual GfxColorSpace *copy();
+  virtual GfxColorSpaceMode getMode() { return csPattern; }
+
+  // Construct a Pattern color space.  Returns NULL if unsuccessful.
+  static GfxColorSpace *parse(Array *arr);
+
+  virtual void getGray(GfxColor *color, double *gray);
+  virtual void getRGB(GfxColor *color, GfxRGB *rgb);
+  virtual void getCMYK(GfxColor *color, GfxCMYK *cmyk);
+
+  virtual int getNComps() { return 0; }
+
+  // Pattern-specific access.
+  GfxColorSpace *getUnder() { return under; }
+
+private:
+
+  GfxColorSpace *under;		// underlying color space (for uncolored
+				//   patterns)
+};
+
+//------------------------------------------------------------------------
+// GfxPattern
+//------------------------------------------------------------------------
+
+class GfxPattern {
+public:
+
+  GfxPattern(int typeA);
+  virtual ~GfxPattern();
+
+  static GfxPattern *parse(Object *obj);
+
+  virtual GfxPattern *copy() = 0;
+
+  int getType() { return type; }
+
+private:
+
+  int type;
+};
+
+//------------------------------------------------------------------------
+// GfxTilingPattern
+//------------------------------------------------------------------------
+
+class GfxTilingPattern: public GfxPattern {
+public:
+
+  GfxTilingPattern(Dict *streamDict, Object *stream);
+  virtual ~GfxTilingPattern();
+
+  virtual GfxPattern *copy();
+
+  int getPaintType() { return paintType; }
+  int getTilingType() { return tilingType; }
+  double *getBBox() { return bbox; }
+  double getXStep() { return xStep; }
+  double getYStep() { return yStep; }
+  Dict *getResDict()
+    { return resDict.isDict() ? resDict.getDict() : (Dict *)NULL; }
+  double *getMatrix() { return matrix; }
+  Object *getContentStream() { return &contentStream; }
+
+private:
+
+  GfxTilingPattern(GfxTilingPattern *pat);
+
+  int paintType;
+  int tilingType;
+  double bbox[4];
+  double xStep, yStep;
+  Object resDict;
+  double matrix[6];
+  Object contentStream;
+};
+
+//------------------------------------------------------------------------
+// GfxShading
+//------------------------------------------------------------------------
+
+class GfxShading {
+public:
+
+  GfxShading();
+  virtual ~GfxShading();
+
+  static GfxShading *parse(Object *obj);
+
+  int getType() { return type; }
+  GfxColorSpace *getColorSpace() { return colorSpace; }
+  GfxColor *getBackground() { return &background; }
+  GBool getHasBackground() { return hasBackground; }
+  void getBBox(double *xMinA, double *yMinA, double *xMaxA, double *yMaxA)
+    { *xMinA = xMin; *yMinA = yMin; *xMaxA = xMax; *yMaxA = yMax; }
+  GBool getHasBBox() { return hasBBox; }
+
+private:
+
+  int type;
+  GfxColorSpace *colorSpace;
+  GfxColor background;
+  GBool hasBackground;
+  double xMin, yMin, xMax, yMax;
+  GBool hasBBox;
+};
+
+//------------------------------------------------------------------------
+// GfxAxialShading
+//------------------------------------------------------------------------
+
+class GfxAxialShading: public GfxShading {
+public:
+
+  GfxAxialShading(double x0A, double y0A,
+		  double x1A, double y1A,
+		  double t0A, double t1A,
+		  Function **funcsA, int nFuncsA,
+		  GBool extend0A, GBool extend1A);
+  virtual ~GfxAxialShading();
+
+  static GfxAxialShading *parse(Dict *dict);
+
+  void getCoords(double *x0A, double *y0A, double *x1A, double *y1A)
+    { *x0A = x0; *y0A = y0; *x1A = x1; *y1A = y1; }
+  double getDomain0() { return t0; }
+  double getDomain1() { return t1; }
+  void getColor(double t, GfxColor *color);
+  GBool getExtend0() { return extend0; }
+  GBool getExtend1() { return extend1; }
+
+private:
+
+  double x0, y0, x1, y1;
+  double t0, t1;
+  Function *funcs[gfxColorMaxComps];
+  int nFuncs;
+  GBool extend0, extend1;
+};
+
+//------------------------------------------------------------------------
+// GfxImageColorMap
+//------------------------------------------------------------------------
+
+class GfxImageColorMap {
+public:
+
+  // Constructor.
+  GfxImageColorMap(int bitsA, Object *decode, GfxColorSpace *colorSpaceA);
+
+  // Destructor.
+  ~GfxImageColorMap();
+
+  // Is color map valid?
+  GBool isOk() { return ok; }
+
+  // Get the color space.
+  GfxColorSpace *getColorSpace() { return colorSpace; }
+
+  // Get stream decoding info.
+  int getNumPixelComps() { return nComps; }
+  int getBits() { return bits; }
+
+  // Get decode table.
+  double getDecodeLow(int i) { return decodeLow[i]; }
+  double getDecodeHigh(int i) { return decodeLow[i] + decodeRange[i]; }
+
+  // Convert an image pixel to a color.
+  void getGray(Guchar *x, double *gray);
+  void getRGB(Guchar *x, GfxRGB *rgb);
+  void getCMYK(Guchar *x, GfxCMYK *cmyk);
+
+private:
+
+  GfxColorSpace *colorSpace;	// the image color space
+  int bits;			// bits per component
+  int nComps;			// number of components in a pixel
+  GfxColorSpace *colorSpace2;	// secondary color space
+  int nComps2;			// number of components in colorSpace2
+  double *lookup;		// lookup table
+  double			// minimum values for each component
+    decodeLow[gfxColorMaxComps];
+  double			// max - min value for each component
+    decodeRange[gfxColorMaxComps];
+  GBool ok;
+};
+
+//------------------------------------------------------------------------
+// GfxSubpath and GfxPath
+//------------------------------------------------------------------------
+
+class GfxSubpath {
+public:
+
+  // Constructor.
+  GfxSubpath(double x1, double y1);
+
+  // Destructor.
+  ~GfxSubpath();
+
+  // Copy.
+  GfxSubpath *copy() { return new GfxSubpath(this); }
+
+  // Get points.
+  int getNumPoints() { return n; }
+  double getX(int i) { return x[i]; }
+  double getY(int i) { return y[i]; }
+  GBool getCurve(int i) { return curve[i]; }
+
+  // Get last point.
+  double getLastX() { return x[n-1]; }
+  double getLastY() { return y[n-1]; }
+
+  // Add a line segment.
+  void lineTo(double x1, double y1);
+
+  // Add a Bezier curve.
+  void curveTo(double x1, double y1, double x2, double y2,
+	       double x3, double y3);
+
+  // Close the subpath.
+  void close();
+  GBool isClosed() { return closed; }
+
+private:
+
+  double *x, *y;		// points
+  GBool *curve;			// curve[i] => point i is a control point
+				//   for a Bezier curve
+  int n;			// number of points
+  int size;			// size of x/y arrays
+  GBool closed;			// set if path is closed
+
+  GfxSubpath(GfxSubpath *subpath);
+};
+
+class GfxPath {
+public:
+
+  // Constructor.
+  GfxPath();
+
+  // Destructor.
+  ~GfxPath();
+
+  // Copy.
+  GfxPath *copy()
+    { return new GfxPath(justMoved, firstX, firstY, subpaths, n, size); }
+
+  // Is there a current point?
+  GBool isCurPt() { return n > 0 || justMoved; }
+
+  // Is the path non-empty, i.e., is there at least one segment?
+  GBool isPath() { return n > 0; }
+
+  // Get subpaths.
+  int getNumSubpaths() { return n; }
+  GfxSubpath *getSubpath(int i) { return subpaths[i]; }
+
+  // Get last point on last subpath.
+  double getLastX() { return subpaths[n-1]->getLastX(); }
+  double getLastY() { return subpaths[n-1]->getLastY(); }
+
+  // Move the current point.
+  void moveTo(double x, double y);
+
+  // Add a segment to the last subpath.
+  void lineTo(double x, double y);
+
+  // Add a Bezier curve to the last subpath
+  void curveTo(double x1, double y1, double x2, double y2,
+	       double x3, double y3);
+
+  // Close the last subpath.
+  void close() { subpaths[n-1]->close(); }
+
+private:
+
+  GBool justMoved;		// set if a new subpath was just started
+  double firstX, firstY;	// first point in new subpath
+  GfxSubpath **subpaths;	// subpaths
+  int n;			// number of subpaths
+  int size;			// size of subpaths array
+
+  GfxPath(GBool justMoved1, double firstX1, double firstY1,
+	  GfxSubpath **subpaths1, int n1, int size1);
+};
+
+//------------------------------------------------------------------------
+// GfxState
+//------------------------------------------------------------------------
+
+class GfxState {
+public:
+
+  // Construct a default GfxState, for a device with resolution <dpi>,
+  // page box <pageBox>, page rotation <rotate>, and coordinate system
+  // specified by <upsideDown>.
+  GfxState(double dpi, PDFRectangle *pageBox, int rotate,
+	   GBool upsideDown);
+
+  // Destructor.
+  ~GfxState();
+
+  // Copy.
+  GfxState *copy() { return new GfxState(this); }
+
+  // Accessors.
+  double *getCTM() { return ctm; }
+  double getX1() { return px1; }
+  double getY1() { return py1; }
+  double getX2() { return px2; }
+  double getY2() { return py2; }
+  double getPageWidth() { return pageWidth; }
+  double getPageHeight() { return pageHeight; }
+  GfxColor *getFillColor() { return &fillColor; }
+  GfxColor *getStrokeColor() { return &strokeColor; }
+  void getFillGray(double *gray)
+    { fillColorSpace->getGray(&fillColor, gray); }
+  void getStrokeGray(double *gray)
+    { strokeColorSpace->getGray(&fillColor, gray); }
+  void getFillRGB(GfxRGB *rgb)
+    { fillColorSpace->getRGB(&fillColor, rgb); }
+  void getStrokeRGB(GfxRGB *rgb)
+    { strokeColorSpace->getRGB(&strokeColor, rgb); }
+  void getFillCMYK(GfxCMYK *cmyk)
+    { fillColorSpace->getCMYK(&fillColor, cmyk); }
+  void getStrokeCMYK(GfxCMYK *cmyk)
+    { strokeColorSpace->getCMYK(&strokeColor, cmyk); }
+  GfxColorSpace *getFillColorSpace() { return fillColorSpace; }
+  GfxColorSpace *getStrokeColorSpace() { return strokeColorSpace; }
+  GfxPattern *getFillPattern() { return fillPattern; }
+  GfxPattern *getStrokePattern() { return strokePattern; }
+  double getFillOpacity() { return fillOpacity; }
+  double getStrokeOpacity() { return strokeOpacity; }
+  double getLineWidth() { return lineWidth; }
+  void getLineDash(double **dash, int *length, double *start)
+    { *dash = lineDash; *length = lineDashLength; *start = lineDashStart; }
+  int getFlatness() { return flatness; }
+  int getLineJoin() { return lineJoin; }
+  int getLineCap() { return lineCap; }
+  double getMiterLimit() { return miterLimit; }
+  GfxFont *getFont() { return font; }
+  double getFontSize() { return fontSize; }
+  double *getTextMat() { return textMat; }
+  double getCharSpace() { return charSpace; }
+  double getWordSpace() { return wordSpace; }
+  double getHorizScaling() { return horizScaling; }
+  double getLeading() { return leading; }
+  double getRise() { return rise; }
+  int getRender() { return render; }
+  GfxPath *getPath() { return path; }
+  double getCurX() { return curX; }
+  double getCurY() { return curY; }
+  void getClipBBox(double *xMin, double *yMin, double *xMax, double *yMax)
+    { *xMin = clipXMin; *yMin = clipYMin; *xMax = clipXMax; *yMax = clipYMax; }
+  double getLineX() { return lineX; }
+  double getLineY() { return lineY; }
+
+  // Is there a current point/path?
+  GBool isCurPt() { return path->isCurPt(); }
+  GBool isPath() { return path->isPath(); }
+
+  // Transforms.
+  void transform(double x1, double y1, double *x2, double *y2)
+    { *x2 = ctm[0] * x1 + ctm[2] * y1 + ctm[4];
+      *y2 = ctm[1] * x1 + ctm[3] * y1 + ctm[5]; }
+  void transformDelta(double x1, double y1, double *x2, double *y2)
+    { *x2 = ctm[0] * x1 + ctm[2] * y1;
+      *y2 = ctm[1] * x1 + ctm[3] * y1; }
+  void textTransform(double x1, double y1, double *x2, double *y2)
+    { *x2 = textMat[0] * x1 + textMat[2] * y1 + textMat[4];
+      *y2 = textMat[1] * x1 + textMat[3] * y1 + textMat[5]; }
+  void textTransformDelta(double x1, double y1, double *x2, double *y2)
+    { *x2 = textMat[0] * x1 + textMat[2] * y1;
+      *y2 = textMat[1] * x1 + textMat[3] * y1; }
+  double transformWidth(double w);
+  double getTransformedLineWidth()
+    { return transformWidth(lineWidth); }
+  double getTransformedFontSize();
+  void getFontTransMat(double *m11, double *m12, double *m21, double *m22);
+
+  // Change state parameters.
+  void setCTM(double a, double b, double c,
+	      double d, double e, double f);
+  void concatCTM(double a, double b, double c,
+		 double d, double e, double f);
+  void setFillColorSpace(GfxColorSpace *colorSpace);
+  void setStrokeColorSpace(GfxColorSpace *colorSpace);
+  void setFillColor(GfxColor *color) { fillColor = *color; }
+  void setStrokeColor(GfxColor *color) { strokeColor = *color; }
+  void setFillPattern(GfxPattern *pattern);
+  void setStrokePattern(GfxPattern *pattern);
+  void setFillOpacity(double opac) { fillOpacity = opac; }
+  void setStrokeOpacity(double opac) { strokeOpacity = opac; }
+  void setLineWidth(double width) { lineWidth = width; }
+  void setLineDash(double *dash, int length, double start);
+  void setFlatness(int flatness1) { flatness = flatness1; }
+  void setLineJoin(int lineJoin1) { lineJoin = lineJoin1; }
+  void setLineCap(int lineCap1) { lineCap = lineCap1; }
+  void setMiterLimit(double limit) { miterLimit = limit; }
+  void setFont(GfxFont *fontA, double fontSizeA)
+    { font = fontA; fontSize = fontSizeA; }
+  void setTextMat(double a, double b, double c,
+		  double d, double e, double f)
+    { textMat[0] = a; textMat[1] = b; textMat[2] = c;
+      textMat[3] = d; textMat[4] = e; textMat[5] = f; }
+  void setCharSpace(double space)
+    { charSpace = space; }
+  void setWordSpace(double space)
+    { wordSpace = space; }
+  void setHorizScaling(double scale)
+    { horizScaling = 0.01 * scale; }
+  void setLeading(double leadingA)
+    { leading = leadingA; }
+  void setRise(double riseA)
+    { rise = riseA; }
+  void setRender(int renderA)
+    { render = renderA; }
+
+  // Add to path.
+  void moveTo(double x, double y)
+    { path->moveTo(curX = x, curY = y); }
+  void lineTo(double x, double y)
+    { path->lineTo(curX = x, curY = y); }
+  void curveTo(double x1, double y1, double x2, double y2,
+	       double x3, double y3)
+    { path->curveTo(x1, y1, x2, y2, curX = x3, curY = y3); }
+  void closePath()
+    { path->close(); curX = path->getLastX(); curY = path->getLastY(); }
+  void clearPath();
+
+  // Update clip region.
+  void clip();
+
+  // Text position.
+  void textMoveTo(double tx, double ty)
+    { lineX = tx; lineY = ty; textTransform(tx, ty, &curX, &curY); }
+  void textShift(double tx);
+  void textShift(double tx, double ty);
+
+  // Push/pop GfxState on/off stack.
+  GfxState *save();
+  GfxState *restore();
+  GBool hasSaves() { return saved != NULL; }
+
+private:
+
+  double ctm[6];		// coord transform matrix
+  double px1, py1, px2, py2;	// page corners (user coords)
+  double pageWidth, pageHeight;	// page size (pixels)
+
+  GfxColorSpace *fillColorSpace;   // fill color space
+  GfxColorSpace *strokeColorSpace; // stroke color space
+  GfxColor fillColor;		// fill color
+  GfxColor strokeColor;		// stroke color
+  GfxPattern *fillPattern;	// fill pattern
+  GfxPattern *strokePattern;	// stroke pattern
+  double fillOpacity;		// fill opacity
+  double strokeOpacity;		// stroke opacity
+
+  double lineWidth;		// line width
+  double *lineDash;		// line dash
+  int lineDashLength;
+  double lineDashStart;
+  int flatness;			// curve flatness
+  int lineJoin;			// line join style
+  int lineCap;			// line cap style
+  double miterLimit;		// line miter limit
+
+  GfxFont *font;		// font
+  double fontSize;		// font size
+  double textMat[6];		// text matrix
+  double charSpace;		// character spacing
+  double wordSpace;		// word spacing
+  double horizScaling;		// horizontal scaling
+  double leading;		// text leading
+  double rise;			// text rise
+  int render;			// text rendering mode
+
+  GfxPath *path;		// array of path elements
+  double curX, curY;		// current point (user coords)
+  double lineX, lineY;		// start of current text line (text coords)
+
+  double clipXMin, clipYMin,	// bounding box for clip region
+         clipXMax, clipYMax;
+
+  GfxState *saved;		// next GfxState on stack
+
+  GfxState(GfxState *state);
+};
+
+#endif
diff --git a/pdftops/Japan12CMapInfo.h b/pdftops/Japan12CMapInfo.h
new file mode 100644
index 000000000..ae4ef9c9d
--- /dev/null
+++ b/pdftops/Japan12CMapInfo.h
@@ -0,0 +1,31362 @@
+//========================================================================
+//
+// Japan12CMapInfo.h
+//
+// This file was automatically generated by makeCMapInfo.
+//
+// Copyright 1998 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef JAPAN12CMAPINFO_H
+#define JAPAN12CMAPINFO_H
+
+static Gushort japan1278EUCHMap2[1252] = {
+  0x0000, 0x0000,
+  0x8ea0, 0x0146,
+  0xa1a1, 0x0279,
+  0xa2a1, 0x02d7,
+  0xa3b0, 0x030c,
+  0xa3c1, 0x0316,
+  0xa3e1, 0x0330,
+  0xa4a1, 0x034a,
+  0xa5a1, 0x039d,
+  0xa6a1, 0x03f3,
+  0xa6c1, 0x040b,
+  0xa7a1, 0x0423,
+  0xa7d1, 0x0444,
+  0xb0a1, 0x0465,
+  0xb0a2, 0x1dd1,
+  0xb0a3, 0x0467,
+  0xb0a9, 0x204a,
+  0xb0aa, 0x046e,
+  0xb0b2, 0x1f19,
+  0xb0b3, 0x1ca2,
+  0xb0b4, 0x0478,
+  0xb0bb, 0x1dd2,
+  0xb0bc, 0x0480,
+  0xb0ee, 0x1dd3,
+  0xb0ef, 0x04b3,
+  0xb0f3, 0x1dd4,
+  0xb0f4, 0x04b8,
+  0xb0fc, 0x1dd5,
+  0xb0fd, 0x04c1,
+  0xb1a1, 0x04c3,
+  0xb1aa, 0x1dd6,
+  0xb1ab, 0x04cd,
+  0xb1b5, 0x1dd7,
+  0xb1b6, 0x04d8,
+  0xb1b9, 0x1dd8,
+  0xb1ba, 0x04dc,
+  0xb1bd, 0x1dda,
+  0xb1be, 0x04e0,
+  0xb1c2, 0x1ddb,
+  0xb1c3, 0x04e5,
+  0xb1eb, 0x1ddc,
+  0xb1ec, 0x050e,
+  0xb2a1, 0x0521,
+  0xb2a8, 0x1ddd,
+  0xb2a9, 0x1cc9,
+  0xb2aa, 0x1dde,
+  0xb2ab, 0x052b,
+  0xb2e0, 0x1ddf,
+  0xb2e1, 0x0561,
+  0xb2fa, 0x1de0,
+  0xb2fb, 0x057b,
+  0xb2fd, 0x1de1,
+  0xb2fe, 0x057e,
+  0xb3a1, 0x057f,
+  0xb3a2, 0x1de2,
+  0xb3a3, 0x0581,
+  0xb3c2, 0x1961,
+  0xb3c3, 0x05a1,
+  0xb3c9, 0x139f,
+  0xb3ca, 0x05a8,
+  0xb3e5, 0x1de3,
+  0xb3e6, 0x05c4,
+  0xb3eb, 0x1de4,
+  0xb3ec, 0x05ca,
+  0xb3f3, 0x1de5,
+  0xb3f4, 0x05d2,
+  0xb3f6, 0x1731,
+  0xb3f7, 0x05d5,
+  0xb3fa, 0x1de6,
+  0xb3fb, 0x05d9,
+  0xb4a1, 0x05dd,
+  0xb4c2, 0x1de7,
+  0xb4c3, 0x1572,
+  0xb4c4, 0x0600,
+  0xb4cd, 0x1de8,
+  0xb4ce, 0x060a,
+  0xb4d2, 0x1a20,
+  0xb4d3, 0x060f,
+  0xb4e5, 0x1de9,
+  0xb4e6, 0x0622,
+  0xb5a1, 0x063b,
+  0xb5ab, 0x1dea,
+  0xb5ac, 0x0646,
+  0xb5c0, 0x1deb,
+  0xb5c1, 0x065b,
+  0xb6a1, 0x0699,
+  0xb6a2, 0x1dec,
+  0xb6a3, 0x069b,
+  0xb6aa, 0x1ded,
+  0xb6ab, 0x06a3,
+  0xb6c6, 0x1d32,
+  0xb6c7, 0x06bf,
+  0xb6cf, 0x1dee,
+  0xb6d0, 0x06c8,
+  0xb6ed, 0x1def,
+  0xb6ee, 0x06e6,
+  0xb6f4, 0x1df0,
+  0xb6f5, 0x06ed,
+  0xb6fb, 0x1df1,
+  0xb6fc, 0x06f4,
+  0xb6fd, 0x1df2,
+  0xb6fe, 0x06f6,
+  0xb7a1, 0x06f7,
+  0xb7a4, 0x1df3,
+  0xb7a5, 0x06fb,
+  0xb7b7, 0x1df4,
+  0xb7b8, 0x070e,
+  0xb7c5, 0x1df5,
+  0xb7c6, 0x071c,
+  0xb7ce, 0x1df6,
+  0xb7cf, 0x0725,
+  0xb7d2, 0x1df7,
+  0xb7d3, 0x0729,
+  0xb7d5, 0x1df8,
+  0xb7d6, 0x072c,
+  0xb7db, 0x1c0d,
+  0xb7dc, 0x0732,
+  0xb7e4, 0x1df9,
+  0xb7e5, 0x073b,
+  0xb7f1, 0x1dfa,
+  0xb7f2, 0x0748,
+  0xb7f9, 0x1dfb,
+  0xb7fa, 0x0750,
+  0xb7fe, 0x1dfc,
+  0xb8a1, 0x0755,
+  0xb8b4, 0x1dfd,
+  0xb8b5, 0x0769,
+  0xb8c1, 0x1dfe,
+  0xb8c2, 0x0776,
+  0xb9a1, 0x07b3,
+  0xb9ab, 0x1dff,
+  0xb9ac, 0x07be,
+  0xb9b7, 0x1e00,
+  0xb9b8, 0x07ca,
+  0xb9c2, 0x1e01,
+  0xb9c3, 0x07d5,
+  0xb9dc, 0x16dd,
+  0xb9dd, 0x07ef,
+  0xb9ed, 0x1e02,
+  0xb9ee, 0x0800,
+  0xb9f4, 0x1e03,
+  0xb9f5, 0x0807,
+  0xb9f9, 0x1e04,
+  0xb9fa, 0x080c,
+  0xbaa1, 0x0811,
+  0xbad3, 0x1e05,
+  0xbad4, 0x0844,
+  0xbae7, 0x1e06,
+  0xbae8, 0x0858,
+  0xbaf4, 0x1e07,
+  0xbaf5, 0x0865,
+  0xbba1, 0x086f,
+  0xbba7, 0x1e08,
+  0xbba8, 0x0876,
+  0xbbaa, 0x1e09,
+  0xbbab, 0x0879,
+  0xbbac, 0x1e0a,
+  0xbbad, 0x087b,
+  0xbbb9, 0x1e0b,
+  0xbbba, 0x0888,
+  0xbca1, 0x08cd,
+  0xbcc8, 0x1e0d,
+  0xbcc9, 0x1929,
+  0xbcca, 0x08f6,
+  0xbcd7, 0x1e0e,
+  0xbcd8, 0x0904,
+  0xbcdd, 0x1e0f,
+  0xbcdf, 0x090b,
+  0xbda1, 0x092b,
+  0xbdab, 0x1e11,
+  0xbdac, 0x0936,
+  0xbdb6, 0x1e12,
+  0xbdb7, 0x0941,
+  0xbdec, 0x1e13,
+  0xbdee, 0x0978,
+  0xbdf2, 0x1e15,
+  0xbdf4, 0x097e,
+  0xbea1, 0x0989,
+  0xbea5, 0x1e17,
+  0xbea6, 0x098e,
+  0xbeb3, 0x1e18,
+  0xbeb4, 0x099c,
+  0xbebf, 0x1e19,
+  0xbec0, 0x09a8,
+  0xbed5, 0x1e1a,
+  0xbed6, 0x09be,
+  0xbedf, 0x1e1b,
+  0xbee0, 0x09c8,
+  0xbee4, 0x1e1c,
+  0xbee5, 0x09cd,
+  0xbfa1, 0x09e7,
+  0xbfaa, 0x1e1d,
+  0xbfab, 0x09f1,
+  0xbfd9, 0x1e1e,
+  0xbfda, 0x0a20,
+  0xbfe0, 0x1e1f,
+  0xbfe1, 0x0a27,
+  0xbfe9, 0x1e20,
+  0xbfea, 0x0a30,
+  0xc0a1, 0x0a45,
+  0xc0a2, 0x1e21,
+  0xc0a3, 0x0a47,
+  0xc0c2, 0x1e22,
+  0xc0c3, 0x0a67,
+  0xc0e6, 0x1e23,
+  0xc0e7, 0x0a8b,
+  0xc0f1, 0x1e24,
+  0xc0f3, 0x0a97,
+  0xc0f9, 0x1e26,
+  0xc0fb, 0x0a9f,
+  0xc1a1, 0x0aa3,
+  0xc1a7, 0x1e28,
+  0xc1a8, 0x1a6e,
+  0xc1a9, 0x0aab,
+  0xc1b9, 0x1e29,
+  0xc1ba, 0x0abc,
+  0xc1cc, 0x1e2a,
+  0xc1cd, 0x0acf,
+  0xc1cf, 0x1e2b,
+  0xc1d0, 0x0ad2,
+  0xc1df, 0x1e2c,
+  0xc1e0, 0x0ae2,
+  0xc1e9, 0x1e2d,
+  0xc1ea, 0x0aec,
+  0xc2a1, 0x0b01,
+  0xc2bd, 0x1e2e,
+  0xc2be, 0x0b1e,
+  0xc2cd, 0x1e2f,
+  0xc2ce, 0x0b2e,
+  0xc2dc, 0x1e30,
+  0xc2dd, 0x0b3d,
+  0xc2e3, 0x1e31,
+  0xc2e4, 0x0b44,
+  0xc2ef, 0x1e32,
+  0xc2f0, 0x0b50,
+  0xc2f5, 0x1e33,
+  0xc2f7, 0x0b57,
+  0xc2fd, 0x1e35,
+  0xc2fe, 0x0b5e,
+  0xc3a1, 0x0b5f,
+  0xc3a7, 0x1e36,
+  0xc3a8, 0x0b66,
+  0xc3a9, 0x1e37,
+  0xc3ab, 0x0b69,
+  0xc3ad, 0x1e39,
+  0xc3af, 0x0b6d,
+  0xc3bd, 0x1e3b,
+  0xc3be, 0x0b7c,
+  0xc3f0, 0x1e3c,
+  0xc3f1, 0x0baf,
+  0xc3f5, 0x1e3d,
+  0xc3f6, 0x0bb4,
+  0xc3fc, 0x1e3e,
+  0xc3fd, 0x0bbb,
+  0xc4a1, 0x0bbd,
+  0xc4bd, 0x1e3f,
+  0xc4be, 0x0bda,
+  0xc4c8, 0x1e40,
+  0xc4c9, 0x0be5,
+  0xc4ca, 0x1e41,
+  0xc4cb, 0x0be7,
+  0xc4cd, 0x1e42,
+  0xc4ce, 0x0bea,
+  0xc4cf, 0x1e43,
+  0xc4d0, 0x0bec,
+  0xc4d4, 0x204b,
+  0xc4d5, 0x0bf1,
+  0xc4db, 0x11b5,
+  0xc4dc, 0x0bf8,
+  0xc5a1, 0x0c1b,
+  0xc5a2, 0x1e44,
+  0xc5a3, 0x0c1d,
+  0xc5a7, 0x1e45,
+  0xc5a8, 0x0c22,
+  0xc5ae, 0x1e46,
+  0xc5af, 0x0c29,
+  0xc5b6, 0x1e47,
+  0xc5b7, 0x0c31,
+  0xc5bf, 0x1e48,
+  0xc5c0, 0x0c3a,
+  0xc5c8, 0x1e49,
+  0xc5c9, 0x0c43,
+  0xc5cb, 0x1e4a,
+  0xc5cc, 0x0c46,
+  0xc5d1, 0x1e4b,
+  0xc5d3, 0x0c4d,
+  0xc5d7, 0x16df,
+  0xc5d8, 0x0c52,
+  0xc5e4, 0x1e4d,
+  0xc5e5, 0x0c5f,
+  0xc5ee, 0x1450,
+  0xc5ef, 0x0c69,
+  0xc5f3, 0x1536,
+  0xc5f4, 0x0c6e,
+  0xc5f8, 0x1e4e,
+  0xc5f9, 0x0c73,
+  0xc6a1, 0x0c79,
+  0xc6be, 0x1e4f,
+  0xc6bf, 0x0c97,
+  0xc6c2, 0x1e50,
+  0xc6c3, 0x0c9b,
+  0xc6d4, 0x1e51,
+  0xc6d6, 0x0cae,
+  0xc6db, 0x1e53,
+  0xc6dd, 0x0cb5,
+  0xc6e1, 0x1e55,
+  0xc6e2, 0x0cba,
+  0xc6e6, 0x1e56,
+  0xc6e8, 0x0cc0,
+  0xc6ea, 0x1e58,
+  0xc6eb, 0x0cc3,
+  0xc6f6, 0x1aed,
+  0xc6f7, 0x0ccf,
+  0xc7a1, 0x0cd7,
+  0xc7a9, 0x1e59,
+  0xc7aa, 0x0ce0,
+  0xc7b9, 0x1e5a,
+  0xc7ba, 0x0cf0,
+  0xc7d7, 0x1e5b,
+  0xc7d8, 0x0d0e,
+  0xc7e7, 0x1e5c,
+  0xc7e8, 0x1989,
+  0xc7e9, 0x1e5d,
+  0xc7ea, 0x0d20,
+  0xc7ed, 0x1e5e,
+  0xc7ee, 0x0d24,
+  0xc8a1, 0x0d35,
+  0xc8a4, 0x1e5f,
+  0xc8a5, 0x0d39,
+  0xc8ae, 0x1e60,
+  0xc8af, 0x0d43,
+  0xc8b0, 0x1e61,
+  0xc8b1, 0x0d45,
+  0xc8d4, 0x1e62,
+  0xc8d5, 0x0d69,
+  0xc8e2, 0x1e63,
+  0xc8e3, 0x0d77,
+  0xc8f5, 0x1e64,
+  0xc8f6, 0x0d8a,
+  0xc9a1, 0x0d93,
+  0xc9a2, 0x1e65,
+  0xc9a4, 0x0d96,
+  0xc9af, 0x1e67,
+  0xc9b0, 0x143b,
+  0xc9b1, 0x0da3,
+  0xc9b2, 0x1e68,
+  0xc9b3, 0x0da5,
+  0xc9b5, 0x1e69,
+  0xc9b6, 0x0da8,
+  0xc9c0, 0x1e6a,
+  0xc9c1, 0x0db3,
+  0xc9ce, 0x1e6b,
+  0xc9cf, 0x0dc1,
+  0xc9d1, 0x1e6c,
+  0xc9d2, 0x0dc4,
+  0xcaa1, 0x0df1,
+  0xcac3, 0x1e6d,
+  0xcac4, 0x0e14,
+  0xcacd, 0x1e6e,
+  0xcace, 0x0e1e,
+  0xcada, 0x1e6f,
+  0xcadb, 0x0e2b,
+  0xcaf9, 0x1e70,
+  0xcafa, 0x0e4a,
+  0xcba1, 0x0e4f,
+  0xcba2, 0x1e71,
+  0xcba3, 0x0e51,
+  0xcba9, 0x1e72,
+  0xcbaa, 0x0e58,
+  0xcbcb, 0x1e73,
+  0xcbcc, 0x0e7a,
+  0xcbea, 0x1d33,
+  0xcbeb, 0x0e99,
+  0xcbf0, 0x1e74,
+  0xcbf1, 0x0e9f,
+  0xcbf8, 0x1f2c,
+  0xcbf9, 0x102f,
+  0xcbfa, 0x0ea8,
+  0xcca1, 0x0ead,
+  0xcccd, 0x1e75,
+  0xccce, 0x0eda,
+  0xccd9, 0x1e76,
+  0xccda, 0x0ee6,
+  0xccdf, 0x1e77,
+  0xcce0, 0x0eec,
+  0xcce2, 0x1e78,
+  0xcce3, 0x0eef,
+  0xccf9, 0x1935,
+  0xccfa, 0x1e79,
+  0xccfb, 0x0f07,
+  0xccfc, 0x1e7a,
+  0xccfd, 0x0f09,
+  0xccfe, 0x1e7b,
+  0xcda1, 0x0f0b,
+  0xcdb2, 0x1e7c,
+  0xcdb3, 0x0f1d,
+  0xcdd0, 0x1e7d,
+  0xcdd1, 0x0f3b,
+  0xcdd4, 0x1e7e,
+  0xcdd5, 0x0f3f,
+  0xcdda, 0x1d34,
+  0xcddb, 0x0f45,
+  0xcde9, 0x1e7f,
+  0xcdea, 0x0f54,
+  0xcea1, 0x0f69,
+  0xcecb, 0x1e80,
+  0xcecc, 0x0f94,
+  0xcefa, 0x1e81,
+  0xcefc, 0x0fc4,
+  0xcfa1, 0x1e83,
+  0xcfa2, 0x0fc8,
+  0xcfb1, 0x1e84,
+  0xcfb2, 0x0fd8,
+  0xcfb6, 0x1777,
+  0xcfb7, 0x0fdd,
+  0xcfb9, 0x1e85,
+  0xcfba, 0x0fe0,
+  0xd0a1, 0x0ffa,
+  0xd0d6, 0x0ea7,
+  0xd0d7, 0x1030,
+  0xd1a1, 0x1058,
+  0xd1bd, 0x1e86,
+  0xd1be, 0x1075,
+  0xd1c7, 0x1e87,
+  0xd1c8, 0x107f,
+  0xd1cb, 0x1e88,
+  0xd1cc, 0x1083,
+  0xd1cd, 0x1e89,
+  0xd1ce, 0x1085,
+  0xd2a1, 0x10b6,
+  0xd3a1, 0x1114,
+  0xd3b0, 0x1e8a,
+  0xd3b1, 0x1124,
+  0xd3ba, 0x1e8b,
+  0xd3bb, 0x112e,
+  0xd3de, 0x1e8d,
+  0xd3df, 0x1152,
+  0xd3eb, 0x1e8e,
+  0xd3ec, 0x115f,
+  0xd4a1, 0x1172,
+  0xd4c4, 0x1e8f,
+  0xd4c5, 0x1196,
+  0xd4e4, 0x0bf7,
+  0xd4e5, 0x11b6,
+  0xd5a1, 0x11d0,
+  0xd5bd, 0x1e90,
+  0xd5be, 0x11ed,
+  0xd5e3, 0x1e91,
+  0xd5e4, 0x1213,
+  0xd6a1, 0x122e,
+  0xd6a2, 0x1e92,
+  0xd6a3, 0x1230,
+  0xd7a1, 0x128c,
+  0xd8a1, 0x12ea,
+  0xd8a4, 0x1e94,
+  0xd8a5, 0x12ee,
+  0xd9a1, 0x1348,
+  0xd9e0, 0x1e95,
+  0xd9e1, 0x1388,
+  0xd9ec, 0x1e96,
+  0xd9ed, 0x1394,
+  0xd9f8, 0x05a7,
+  0xd9f9, 0x13a0,
+  0xdaa1, 0x13a6,
+  0xdab9, 0x1e97,
+  0xdaba, 0x13bf,
+  0xdacd, 0x1e98,
+  0xdace, 0x13d3,
+  0xdba1, 0x1404,
+  0xdbc5, 0x1e99,
+  0xdbc6, 0x1429,
+  0xdbca, 0x1e9a,
+  0xdbcb, 0x142e,
+  0xdbd8, 0x0da2,
+  0xdbd9, 0x143c,
+  0xdbeb, 0x1e9b,
+  0xdbec, 0x144f,
+  0xdbed, 0x0c68,
+  0xdbee, 0x1451,
+  0xdbf4, 0x1e9c,
+  0xdbf5, 0x1458,
+  0xdca1, 0x1462,
+  0xdda1, 0x14c0,
+  0xdea1, 0x151e,
+  0xdeb9, 0x0c6d,
+  0xdeba, 0x1537,
+  0xded0, 0x1e9d,
+  0xded1, 0x154e,
+  0xdef5, 0x05ff,
+  0xdef6, 0x1573,
+  0xdfa1, 0x157c,
+  0xe0a1, 0x15da,
+  0xe0a6, 0x1e9f,
+  0xe0a7, 0x15e0,
+  0xe0df, 0x1ea0,
+  0xe0e0, 0x1619,
+  0xe0f6, 0x1d35,
+  0xe0f7, 0x1630,
+  0xe1a1, 0x1638,
+  0xe1ab, 0x1ea1,
+  0xe1ac, 0x1643,
+  0xe1b0, 0x1ea2,
+  0xe1b2, 0x1649,
+  0xe2a1, 0x1696,
+  0xe2ab, 0x1ea4,
+  0xe2ac, 0x16a1,
+  0xe2e8, 0x07ee,
+  0xe2e9, 0x16de,
+  0xe2ea, 0x0c51,
+  0xe2eb, 0x16e0,
+  0xe2ef, 0x1ea5,
+  0xe2f0, 0x16e5,
+  0xe3a1, 0x16f4,
+  0xe3ca, 0x1ea6,
+  0xe3cb, 0x171e,
+  0xe3d4, 0x1ea7,
+  0xe3d5, 0x1728,
+  0xe3de, 0x05d4,
+  0xe3df, 0x1732,
+  0xe4a1, 0x1752,
+  0xe4b9, 0x1ea8,
+  0xe4ba, 0x176b,
+  0xe4c6, 0x0fdc,
+  0xe4c7, 0x1778,
+  0xe4e4, 0x1ea9,
+  0xe4e5, 0x1796,
+  0xe4ee, 0x1eaa,
+  0xe4ef, 0x17a0,
+  0xe5a1, 0x17b0,
+  0xe5b9, 0x1eab,
+  0xe5ba, 0x17c9,
+  0xe5bb, 0x1eac,
+  0xe5bc, 0x17cb,
+  0xe5c6, 0x1ead,
+  0xe5c7, 0x17d6,
+  0xe6a1, 0x180e,
+  0xe6c6, 0x1eae,
+  0xe6c7, 0x1834,
+  0xe7a1, 0x186c,
+  0xe7e4, 0x1eaf,
+  0xe7e5, 0x18b0,
+  0xe7e9, 0x1eb0,
+  0xe7ea, 0x18b5,
+  0xe7f2, 0x1eb1,
+  0xe7f3, 0x18be,
+  0xe8a1, 0x18ca,
+  0xe8b4, 0x1eb2,
+  0xe8b5, 0x18de,
+  0xe8bb, 0x1eb3,
+  0xe8bc, 0x18e5,
+  0xe8f4, 0x1eb4,
+  0xe8f5, 0x191e,
+  0xe9a1, 0x1928,
+  0xe9a2, 0x08f5,
+  0xe9a3, 0x192a,
+  0xe9ae, 0x0f05,
+  0xe9af, 0x1936,
+  0xe9da, 0x05a0,
+  0xe9db, 0x1962,
+  0xeaa1, 0x1986,
+  0xeaa4, 0x0d1e,
+  0xeaa5, 0x198a,
+  0xeaa7, 0x1eb6,
+  0xeaa8, 0x198d,
+  0xeabd, 0x1eb7,
+  0xeabe, 0x19a3,
+  0xeaef, 0x1eb8,
+  0xeaf0, 0x19d5,
+  0xeba1, 0x19e4,
+  0xebb2, 0x1eb9,
+  0xebb3, 0x19f6,
+  0xebdd, 0x060e,
+  0xebde, 0x1a21,
+  0xebe6, 0x1eba,
+  0xebe7, 0x1a2a,
+  0xebf6, 0x1ebb,
+  0xebf7, 0x1a3a,
+  0xeca1, 0x1a42,
+  0xeccd, 0x0aaa,
+  0xecce, 0x1a6f,
+  0xece9, 0x1ebc,
+  0xecea, 0x1a8b,
+  0xecf4, 0x1ebd,
+  0xecf5, 0x1a96,
+  0xeda1, 0x1aa0,
+  0xedce, 0x1ebe,
+  0xedcf, 0x1ace,
+  0xedec, 0x1ebf,
+  0xeded, 0x1aec,
+  0xedee, 0x1ec0,
+  0xedef, 0x1aee,
+  0xeea1, 0x1afe,
+  0xeea9, 0x1ec1,
+  0xeeaa, 0x1b07,
+  0xeebd, 0x1ec2,
+  0xeebe, 0x1b1b,
+  0xeed7, 0x1ec3,
+  0xeed8, 0x1b35,
+  0xefa1, 0x1b5c,
+  0xf0a1, 0x1bba,
+  0xf0c5, 0x1ec6,
+  0xf0c6, 0x1bdf,
+  0xf0d1, 0x1ec7,
+  0xf0d2, 0x1beb,
+  0xf0d7, 0x1ec8,
+  0xf0d8, 0x1bf1,
+  0xf0f4, 0x0731,
+  0xf0f5, 0x1ec9,
+  0xf0f6, 0x1c0f,
+  0xf1a1, 0x1c18,
+  0xf2a1, 0x1c76,
+  0xf2ad, 0x1eca,
+  0xf2ae, 0x1c83,
+  0xf2bc, 0x1ecb,
+  0xf2bd, 0x1c92,
+  0xf2cd, 0x0477,
+  0xf2ce, 0x1ecc,
+  0xf2cf, 0x1ca4,
+  0xf2f4, 0x0529,
+  0xf2f5, 0x1cca,
+  0xf3a1, 0x1cd4,
+  0xf3d1, 0x1ecd,
+  0xf3d2, 0x1d05,
+  0xf3fd, 0x1ece,
+  0xf3fe, 0x1d31,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278EUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278EUCHMap2, 626
+};
+
+static Gushort japan1278EUCVMap2[1306] = {
+  0x0000, 0x0000,
+  0x8ea0, 0x0146,
+  0xa1a1, 0x0279,
+  0xa2a1, 0x02d7,
+  0xa3b0, 0x030c,
+  0xa3c1, 0x0316,
+  0xa3e1, 0x0330,
+  0xa4a1, 0x034a,
+  0xa5a1, 0x039d,
+  0xa6a1, 0x03f3,
+  0xa6c1, 0x040b,
+  0xa7a1, 0x0423,
+  0xa7d1, 0x0444,
+  0xb0a1, 0x0465,
+  0xb0a2, 0x1dd1,
+  0xb0a3, 0x0467,
+  0xb0a9, 0x204a,
+  0xb0aa, 0x046e,
+  0xb0b2, 0x1f19,
+  0xb0b3, 0x1ca2,
+  0xb0b4, 0x0478,
+  0xb0bb, 0x1dd2,
+  0xb0bc, 0x0480,
+  0xb0ee, 0x1dd3,
+  0xb0ef, 0x04b3,
+  0xb0f3, 0x1dd4,
+  0xb0f4, 0x04b8,
+  0xb0fc, 0x1dd5,
+  0xb0fd, 0x04c1,
+  0xb1a1, 0x04c3,
+  0xb1aa, 0x1dd6,
+  0xb1ab, 0x04cd,
+  0xb1b5, 0x1dd7,
+  0xb1b6, 0x04d8,
+  0xb1b9, 0x1dd8,
+  0xb1ba, 0x04dc,
+  0xb1bd, 0x1dda,
+  0xb1be, 0x04e0,
+  0xb1c2, 0x1ddb,
+  0xb1c3, 0x04e5,
+  0xb1eb, 0x1ddc,
+  0xb1ec, 0x050e,
+  0xb2a1, 0x0521,
+  0xb2a8, 0x1ddd,
+  0xb2a9, 0x1cc9,
+  0xb2aa, 0x1dde,
+  0xb2ab, 0x052b,
+  0xb2e0, 0x1ddf,
+  0xb2e1, 0x0561,
+  0xb2fa, 0x1de0,
+  0xb2fb, 0x057b,
+  0xb2fd, 0x1de1,
+  0xb2fe, 0x057e,
+  0xb3a1, 0x057f,
+  0xb3a2, 0x1de2,
+  0xb3a3, 0x0581,
+  0xb3c2, 0x1961,
+  0xb3c3, 0x05a1,
+  0xb3c9, 0x139f,
+  0xb3ca, 0x05a8,
+  0xb3e5, 0x1de3,
+  0xb3e6, 0x05c4,
+  0xb3eb, 0x1de4,
+  0xb3ec, 0x05ca,
+  0xb3f3, 0x1de5,
+  0xb3f4, 0x05d2,
+  0xb3f6, 0x1731,
+  0xb3f7, 0x05d5,
+  0xb3fa, 0x1de6,
+  0xb3fb, 0x05d9,
+  0xb4a1, 0x05dd,
+  0xb4c2, 0x1de7,
+  0xb4c3, 0x1572,
+  0xb4c4, 0x0600,
+  0xb4cd, 0x1de8,
+  0xb4ce, 0x060a,
+  0xb4d2, 0x1a20,
+  0xb4d3, 0x060f,
+  0xb4e5, 0x1de9,
+  0xb4e6, 0x0622,
+  0xb5a1, 0x063b,
+  0xb5ab, 0x1dea,
+  0xb5ac, 0x0646,
+  0xb5c0, 0x1deb,
+  0xb5c1, 0x065b,
+  0xb6a1, 0x0699,
+  0xb6a2, 0x1dec,
+  0xb6a3, 0x069b,
+  0xb6aa, 0x1ded,
+  0xb6ab, 0x06a3,
+  0xb6c6, 0x1d32,
+  0xb6c7, 0x06bf,
+  0xb6cf, 0x1dee,
+  0xb6d0, 0x06c8,
+  0xb6ed, 0x1def,
+  0xb6ee, 0x06e6,
+  0xb6f4, 0x1df0,
+  0xb6f5, 0x06ed,
+  0xb6fb, 0x1df1,
+  0xb6fc, 0x06f4,
+  0xb6fd, 0x1df2,
+  0xb6fe, 0x06f6,
+  0xb7a1, 0x06f7,
+  0xb7a4, 0x1df3,
+  0xb7a5, 0x06fb,
+  0xb7b7, 0x1df4,
+  0xb7b8, 0x070e,
+  0xb7c5, 0x1df5,
+  0xb7c6, 0x071c,
+  0xb7ce, 0x1df6,
+  0xb7cf, 0x0725,
+  0xb7d2, 0x1df7,
+  0xb7d3, 0x0729,
+  0xb7d5, 0x1df8,
+  0xb7d6, 0x072c,
+  0xb7db, 0x1c0d,
+  0xb7dc, 0x0732,
+  0xb7e4, 0x1df9,
+  0xb7e5, 0x073b,
+  0xb7f1, 0x1dfa,
+  0xb7f2, 0x0748,
+  0xb7f9, 0x1dfb,
+  0xb7fa, 0x0750,
+  0xb7fe, 0x1dfc,
+  0xb8a1, 0x0755,
+  0xb8b4, 0x1dfd,
+  0xb8b5, 0x0769,
+  0xb8c1, 0x1dfe,
+  0xb8c2, 0x0776,
+  0xb9a1, 0x07b3,
+  0xb9ab, 0x1dff,
+  0xb9ac, 0x07be,
+  0xb9b7, 0x1e00,
+  0xb9b8, 0x07ca,
+  0xb9c2, 0x1e01,
+  0xb9c3, 0x07d5,
+  0xb9dc, 0x16dd,
+  0xb9dd, 0x07ef,
+  0xb9ed, 0x1e02,
+  0xb9ee, 0x0800,
+  0xb9f4, 0x1e03,
+  0xb9f5, 0x0807,
+  0xb9f9, 0x1e04,
+  0xb9fa, 0x080c,
+  0xbaa1, 0x0811,
+  0xbad3, 0x1e05,
+  0xbad4, 0x0844,
+  0xbae7, 0x1e06,
+  0xbae8, 0x0858,
+  0xbaf4, 0x1e07,
+  0xbaf5, 0x0865,
+  0xbba1, 0x086f,
+  0xbba7, 0x1e08,
+  0xbba8, 0x0876,
+  0xbbaa, 0x1e09,
+  0xbbab, 0x0879,
+  0xbbac, 0x1e0a,
+  0xbbad, 0x087b,
+  0xbbb9, 0x1e0b,
+  0xbbba, 0x0888,
+  0xbca1, 0x08cd,
+  0xbcc8, 0x1e0d,
+  0xbcc9, 0x1929,
+  0xbcca, 0x08f6,
+  0xbcd7, 0x1e0e,
+  0xbcd8, 0x0904,
+  0xbcdd, 0x1e0f,
+  0xbcdf, 0x090b,
+  0xbda1, 0x092b,
+  0xbdab, 0x1e11,
+  0xbdac, 0x0936,
+  0xbdb6, 0x1e12,
+  0xbdb7, 0x0941,
+  0xbdec, 0x1e13,
+  0xbdee, 0x0978,
+  0xbdf2, 0x1e15,
+  0xbdf4, 0x097e,
+  0xbea1, 0x0989,
+  0xbea5, 0x1e17,
+  0xbea6, 0x098e,
+  0xbeb3, 0x1e18,
+  0xbeb4, 0x099c,
+  0xbebf, 0x1e19,
+  0xbec0, 0x09a8,
+  0xbed5, 0x1e1a,
+  0xbed6, 0x09be,
+  0xbedf, 0x1e1b,
+  0xbee0, 0x09c8,
+  0xbee4, 0x1e1c,
+  0xbee5, 0x09cd,
+  0xbfa1, 0x09e7,
+  0xbfaa, 0x1e1d,
+  0xbfab, 0x09f1,
+  0xbfd9, 0x1e1e,
+  0xbfda, 0x0a20,
+  0xbfe0, 0x1e1f,
+  0xbfe1, 0x0a27,
+  0xbfe9, 0x1e20,
+  0xbfea, 0x0a30,
+  0xc0a1, 0x0a45,
+  0xc0a2, 0x1e21,
+  0xc0a3, 0x0a47,
+  0xc0c2, 0x1e22,
+  0xc0c3, 0x0a67,
+  0xc0e6, 0x1e23,
+  0xc0e7, 0x0a8b,
+  0xc0f1, 0x1e24,
+  0xc0f3, 0x0a97,
+  0xc0f9, 0x1e26,
+  0xc0fb, 0x0a9f,
+  0xc1a1, 0x0aa3,
+  0xc1a7, 0x1e28,
+  0xc1a8, 0x1a6e,
+  0xc1a9, 0x0aab,
+  0xc1b9, 0x1e29,
+  0xc1ba, 0x0abc,
+  0xc1cc, 0x1e2a,
+  0xc1cd, 0x0acf,
+  0xc1cf, 0x1e2b,
+  0xc1d0, 0x0ad2,
+  0xc1df, 0x1e2c,
+  0xc1e0, 0x0ae2,
+  0xc1e9, 0x1e2d,
+  0xc1ea, 0x0aec,
+  0xc2a1, 0x0b01,
+  0xc2bd, 0x1e2e,
+  0xc2be, 0x0b1e,
+  0xc2cd, 0x1e2f,
+  0xc2ce, 0x0b2e,
+  0xc2dc, 0x1e30,
+  0xc2dd, 0x0b3d,
+  0xc2e3, 0x1e31,
+  0xc2e4, 0x0b44,
+  0xc2ef, 0x1e32,
+  0xc2f0, 0x0b50,
+  0xc2f5, 0x1e33,
+  0xc2f7, 0x0b57,
+  0xc2fd, 0x1e35,
+  0xc2fe, 0x0b5e,
+  0xc3a1, 0x0b5f,
+  0xc3a7, 0x1e36,
+  0xc3a8, 0x0b66,
+  0xc3a9, 0x1e37,
+  0xc3ab, 0x0b69,
+  0xc3ad, 0x1e39,
+  0xc3af, 0x0b6d,
+  0xc3bd, 0x1e3b,
+  0xc3be, 0x0b7c,
+  0xc3f0, 0x1e3c,
+  0xc3f1, 0x0baf,
+  0xc3f5, 0x1e3d,
+  0xc3f6, 0x0bb4,
+  0xc3fc, 0x1e3e,
+  0xc3fd, 0x0bbb,
+  0xc4a1, 0x0bbd,
+  0xc4bd, 0x1e3f,
+  0xc4be, 0x0bda,
+  0xc4c8, 0x1e40,
+  0xc4c9, 0x0be5,
+  0xc4ca, 0x1e41,
+  0xc4cb, 0x0be7,
+  0xc4cd, 0x1e42,
+  0xc4ce, 0x0bea,
+  0xc4cf, 0x1e43,
+  0xc4d0, 0x0bec,
+  0xc4d4, 0x204b,
+  0xc4d5, 0x0bf1,
+  0xc4db, 0x11b5,
+  0xc4dc, 0x0bf8,
+  0xc5a1, 0x0c1b,
+  0xc5a2, 0x1e44,
+  0xc5a3, 0x0c1d,
+  0xc5a7, 0x1e45,
+  0xc5a8, 0x0c22,
+  0xc5ae, 0x1e46,
+  0xc5af, 0x0c29,
+  0xc5b6, 0x1e47,
+  0xc5b7, 0x0c31,
+  0xc5bf, 0x1e48,
+  0xc5c0, 0x0c3a,
+  0xc5c8, 0x1e49,
+  0xc5c9, 0x0c43,
+  0xc5cb, 0x1e4a,
+  0xc5cc, 0x0c46,
+  0xc5d1, 0x1e4b,
+  0xc5d3, 0x0c4d,
+  0xc5d7, 0x16df,
+  0xc5d8, 0x0c52,
+  0xc5e4, 0x1e4d,
+  0xc5e5, 0x0c5f,
+  0xc5ee, 0x1450,
+  0xc5ef, 0x0c69,
+  0xc5f3, 0x1536,
+  0xc5f4, 0x0c6e,
+  0xc5f8, 0x1e4e,
+  0xc5f9, 0x0c73,
+  0xc6a1, 0x0c79,
+  0xc6be, 0x1e4f,
+  0xc6bf, 0x0c97,
+  0xc6c2, 0x1e50,
+  0xc6c3, 0x0c9b,
+  0xc6d4, 0x1e51,
+  0xc6d6, 0x0cae,
+  0xc6db, 0x1e53,
+  0xc6dd, 0x0cb5,
+  0xc6e1, 0x1e55,
+  0xc6e2, 0x0cba,
+  0xc6e6, 0x1e56,
+  0xc6e8, 0x0cc0,
+  0xc6ea, 0x1e58,
+  0xc6eb, 0x0cc3,
+  0xc6f6, 0x1aed,
+  0xc6f7, 0x0ccf,
+  0xc7a1, 0x0cd7,
+  0xc7a9, 0x1e59,
+  0xc7aa, 0x0ce0,
+  0xc7b9, 0x1e5a,
+  0xc7ba, 0x0cf0,
+  0xc7d7, 0x1e5b,
+  0xc7d8, 0x0d0e,
+  0xc7e7, 0x1e5c,
+  0xc7e8, 0x1989,
+  0xc7e9, 0x1e5d,
+  0xc7ea, 0x0d20,
+  0xc7ed, 0x1e5e,
+  0xc7ee, 0x0d24,
+  0xc8a1, 0x0d35,
+  0xc8a4, 0x1e5f,
+  0xc8a5, 0x0d39,
+  0xc8ae, 0x1e60,
+  0xc8af, 0x0d43,
+  0xc8b0, 0x1e61,
+  0xc8b1, 0x0d45,
+  0xc8d4, 0x1e62,
+  0xc8d5, 0x0d69,
+  0xc8e2, 0x1e63,
+  0xc8e3, 0x0d77,
+  0xc8f5, 0x1e64,
+  0xc8f6, 0x0d8a,
+  0xc9a1, 0x0d93,
+  0xc9a2, 0x1e65,
+  0xc9a4, 0x0d96,
+  0xc9af, 0x1e67,
+  0xc9b0, 0x143b,
+  0xc9b1, 0x0da3,
+  0xc9b2, 0x1e68,
+  0xc9b3, 0x0da5,
+  0xc9b5, 0x1e69,
+  0xc9b6, 0x0da8,
+  0xc9c0, 0x1e6a,
+  0xc9c1, 0x0db3,
+  0xc9ce, 0x1e6b,
+  0xc9cf, 0x0dc1,
+  0xc9d1, 0x1e6c,
+  0xc9d2, 0x0dc4,
+  0xcaa1, 0x0df1,
+  0xcac3, 0x1e6d,
+  0xcac4, 0x0e14,
+  0xcacd, 0x1e6e,
+  0xcace, 0x0e1e,
+  0xcada, 0x1e6f,
+  0xcadb, 0x0e2b,
+  0xcaf9, 0x1e70,
+  0xcafa, 0x0e4a,
+  0xcba1, 0x0e4f,
+  0xcba2, 0x1e71,
+  0xcba3, 0x0e51,
+  0xcba9, 0x1e72,
+  0xcbaa, 0x0e58,
+  0xcbcb, 0x1e73,
+  0xcbcc, 0x0e7a,
+  0xcbea, 0x1d33,
+  0xcbeb, 0x0e99,
+  0xcbf0, 0x1e74,
+  0xcbf1, 0x0e9f,
+  0xcbf8, 0x1f2c,
+  0xcbf9, 0x102f,
+  0xcbfa, 0x0ea8,
+  0xcca1, 0x0ead,
+  0xcccd, 0x1e75,
+  0xccce, 0x0eda,
+  0xccd9, 0x1e76,
+  0xccda, 0x0ee6,
+  0xccdf, 0x1e77,
+  0xcce0, 0x0eec,
+  0xcce2, 0x1e78,
+  0xcce3, 0x0eef,
+  0xccf9, 0x1935,
+  0xccfa, 0x1e79,
+  0xccfb, 0x0f07,
+  0xccfc, 0x1e7a,
+  0xccfd, 0x0f09,
+  0xccfe, 0x1e7b,
+  0xcda1, 0x0f0b,
+  0xcdb2, 0x1e7c,
+  0xcdb3, 0x0f1d,
+  0xcdd0, 0x1e7d,
+  0xcdd1, 0x0f3b,
+  0xcdd4, 0x1e7e,
+  0xcdd5, 0x0f3f,
+  0xcdda, 0x1d34,
+  0xcddb, 0x0f45,
+  0xcde9, 0x1e7f,
+  0xcdea, 0x0f54,
+  0xcea1, 0x0f69,
+  0xcecb, 0x1e80,
+  0xcecc, 0x0f94,
+  0xcefa, 0x1e81,
+  0xcefc, 0x0fc4,
+  0xcfa1, 0x1e83,
+  0xcfa2, 0x0fc8,
+  0xcfb1, 0x1e84,
+  0xcfb2, 0x0fd8,
+  0xcfb6, 0x1777,
+  0xcfb7, 0x0fdd,
+  0xcfb9, 0x1e85,
+  0xcfba, 0x0fe0,
+  0xd0a1, 0x0ffa,
+  0xd0d6, 0x0ea7,
+  0xd0d7, 0x1030,
+  0xd1a1, 0x1058,
+  0xd1bd, 0x1e86,
+  0xd1be, 0x1075,
+  0xd1c7, 0x1e87,
+  0xd1c8, 0x107f,
+  0xd1cb, 0x1e88,
+  0xd1cc, 0x1083,
+  0xd1cd, 0x1e89,
+  0xd1ce, 0x1085,
+  0xd2a1, 0x10b6,
+  0xd3a1, 0x1114,
+  0xd3b0, 0x1e8a,
+  0xd3b1, 0x1124,
+  0xd3ba, 0x1e8b,
+  0xd3bb, 0x112e,
+  0xd3de, 0x1e8d,
+  0xd3df, 0x1152,
+  0xd3eb, 0x1e8e,
+  0xd3ec, 0x115f,
+  0xd4a1, 0x1172,
+  0xd4c4, 0x1e8f,
+  0xd4c5, 0x1196,
+  0xd4e4, 0x0bf7,
+  0xd4e5, 0x11b6,
+  0xd5a1, 0x11d0,
+  0xd5bd, 0x1e90,
+  0xd5be, 0x11ed,
+  0xd5e3, 0x1e91,
+  0xd5e4, 0x1213,
+  0xd6a1, 0x122e,
+  0xd6a2, 0x1e92,
+  0xd6a3, 0x1230,
+  0xd7a1, 0x128c,
+  0xd8a1, 0x12ea,
+  0xd8a4, 0x1e94,
+  0xd8a5, 0x12ee,
+  0xd9a1, 0x1348,
+  0xd9e0, 0x1e95,
+  0xd9e1, 0x1388,
+  0xd9ec, 0x1e96,
+  0xd9ed, 0x1394,
+  0xd9f8, 0x05a7,
+  0xd9f9, 0x13a0,
+  0xdaa1, 0x13a6,
+  0xdab9, 0x1e97,
+  0xdaba, 0x13bf,
+  0xdacd, 0x1e98,
+  0xdace, 0x13d3,
+  0xdba1, 0x1404,
+  0xdbc5, 0x1e99,
+  0xdbc6, 0x1429,
+  0xdbca, 0x1e9a,
+  0xdbcb, 0x142e,
+  0xdbd8, 0x0da2,
+  0xdbd9, 0x143c,
+  0xdbeb, 0x1e9b,
+  0xdbec, 0x144f,
+  0xdbed, 0x0c68,
+  0xdbee, 0x1451,
+  0xdbf4, 0x1e9c,
+  0xdbf5, 0x1458,
+  0xdca1, 0x1462,
+  0xdda1, 0x14c0,
+  0xdea1, 0x151e,
+  0xdeb9, 0x0c6d,
+  0xdeba, 0x1537,
+  0xded0, 0x1e9d,
+  0xded1, 0x154e,
+  0xdef5, 0x05ff,
+  0xdef6, 0x1573,
+  0xdfa1, 0x157c,
+  0xe0a1, 0x15da,
+  0xe0a6, 0x1e9f,
+  0xe0a7, 0x15e0,
+  0xe0df, 0x1ea0,
+  0xe0e0, 0x1619,
+  0xe0f6, 0x1d35,
+  0xe0f7, 0x1630,
+  0xe1a1, 0x1638,
+  0xe1ab, 0x1ea1,
+  0xe1ac, 0x1643,
+  0xe1b0, 0x1ea2,
+  0xe1b2, 0x1649,
+  0xe2a1, 0x1696,
+  0xe2ab, 0x1ea4,
+  0xe2ac, 0x16a1,
+  0xe2e8, 0x07ee,
+  0xe2e9, 0x16de,
+  0xe2ea, 0x0c51,
+  0xe2eb, 0x16e0,
+  0xe2ef, 0x1ea5,
+  0xe2f0, 0x16e5,
+  0xe3a1, 0x16f4,
+  0xe3ca, 0x1ea6,
+  0xe3cb, 0x171e,
+  0xe3d4, 0x1ea7,
+  0xe3d5, 0x1728,
+  0xe3de, 0x05d4,
+  0xe3df, 0x1732,
+  0xe4a1, 0x1752,
+  0xe4b9, 0x1ea8,
+  0xe4ba, 0x176b,
+  0xe4c6, 0x0fdc,
+  0xe4c7, 0x1778,
+  0xe4e4, 0x1ea9,
+  0xe4e5, 0x1796,
+  0xe4ee, 0x1eaa,
+  0xe4ef, 0x17a0,
+  0xe5a1, 0x17b0,
+  0xe5b9, 0x1eab,
+  0xe5ba, 0x17c9,
+  0xe5bb, 0x1eac,
+  0xe5bc, 0x17cb,
+  0xe5c6, 0x1ead,
+  0xe5c7, 0x17d6,
+  0xe6a1, 0x180e,
+  0xe6c6, 0x1eae,
+  0xe6c7, 0x1834,
+  0xe7a1, 0x186c,
+  0xe7e4, 0x1eaf,
+  0xe7e5, 0x18b0,
+  0xe7e9, 0x1eb0,
+  0xe7ea, 0x18b5,
+  0xe7f2, 0x1eb1,
+  0xe7f3, 0x18be,
+  0xe8a1, 0x18ca,
+  0xe8b4, 0x1eb2,
+  0xe8b5, 0x18de,
+  0xe8bb, 0x1eb3,
+  0xe8bc, 0x18e5,
+  0xe8f4, 0x1eb4,
+  0xe8f5, 0x191e,
+  0xe9a1, 0x1928,
+  0xe9a2, 0x08f5,
+  0xe9a3, 0x192a,
+  0xe9ae, 0x0f05,
+  0xe9af, 0x1936,
+  0xe9da, 0x05a0,
+  0xe9db, 0x1962,
+  0xeaa1, 0x1986,
+  0xeaa4, 0x0d1e,
+  0xeaa5, 0x198a,
+  0xeaa7, 0x1eb6,
+  0xeaa8, 0x198d,
+  0xeabd, 0x1eb7,
+  0xeabe, 0x19a3,
+  0xeaef, 0x1eb8,
+  0xeaf0, 0x19d5,
+  0xeba1, 0x19e4,
+  0xebb2, 0x1eb9,
+  0xebb3, 0x19f6,
+  0xebdd, 0x060e,
+  0xebde, 0x1a21,
+  0xebe6, 0x1eba,
+  0xebe7, 0x1a2a,
+  0xebf6, 0x1ebb,
+  0xebf7, 0x1a3a,
+  0xeca1, 0x1a42,
+  0xeccd, 0x0aaa,
+  0xecce, 0x1a6f,
+  0xece9, 0x1ebc,
+  0xecea, 0x1a8b,
+  0xecf4, 0x1ebd,
+  0xecf5, 0x1a96,
+  0xeda1, 0x1aa0,
+  0xedce, 0x1ebe,
+  0xedcf, 0x1ace,
+  0xedec, 0x1ebf,
+  0xeded, 0x1aec,
+  0xedee, 0x1ec0,
+  0xedef, 0x1aee,
+  0xeea1, 0x1afe,
+  0xeea9, 0x1ec1,
+  0xeeaa, 0x1b07,
+  0xeebd, 0x1ec2,
+  0xeebe, 0x1b1b,
+  0xeed7, 0x1ec3,
+  0xeed8, 0x1b35,
+  0xefa1, 0x1b5c,
+  0xf0a1, 0x1bba,
+  0xf0c5, 0x1ec6,
+  0xf0c6, 0x1bdf,
+  0xf0d1, 0x1ec7,
+  0xf0d2, 0x1beb,
+  0xf0d7, 0x1ec8,
+  0xf0d8, 0x1bf1,
+  0xf0f4, 0x0731,
+  0xf0f5, 0x1ec9,
+  0xf0f6, 0x1c0f,
+  0xf1a1, 0x1c18,
+  0xf2a1, 0x1c76,
+  0xf2ad, 0x1eca,
+  0xf2ae, 0x1c83,
+  0xf2bc, 0x1ecb,
+  0xf2bd, 0x1c92,
+  0xf2cd, 0x0477,
+  0xf2ce, 0x1ecc,
+  0xf2cf, 0x1ca4,
+  0xf2f4, 0x0529,
+  0xf2f5, 0x1cca,
+  0xf3a1, 0x1cd4,
+  0xf3d1, 0x1ecd,
+  0xf3d2, 0x1d05,
+  0xf3fd, 0x1ece,
+  0xf3fe, 0x1d31,
+  0xa1a2, 0x1ecf,
+  0xa1b1, 0x1ed1,
+  0xa1bc, 0x1ed3,
+  0xa1c1, 0x1ed6,
+  0xa1ca, 0x1edb,
+  0xa1e1, 0x1eed,
+  0xa4a1, 0x1eee,
+  0xa4a3, 0x1eef,
+  0xa4a5, 0x1ef0,
+  0xa4a7, 0x1ef1,
+  0xa4a9, 0x1ef2,
+  0xa4c3, 0x1ef3,
+  0xa4e3, 0x1ef4,
+  0xa4e5, 0x1ef5,
+  0xa4e7, 0x1ef6,
+  0xa4ee, 0x1ef7,
+  0xa5a1, 0x1ef8,
+  0xa5a3, 0x1ef9,
+  0xa5a5, 0x1efa,
+  0xa5a7, 0x1efb,
+  0xa5a9, 0x1efc,
+  0xa5c3, 0x1efd,
+  0xa5e3, 0x1efe,
+  0xa5e5, 0x1eff,
+  0xa5e7, 0x1f00,
+  0xa5ee, 0x1f01,
+  0xa5f5, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278EUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278EUCVMap2, 653
+};
+
+static Gushort japan1278HMap2[1250] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2221, 0x02d7,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3029, 0x204a,
+  0x302a, 0x046e,
+  0x3032, 0x1f19,
+  0x3033, 0x1ca2,
+  0x3034, 0x0478,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1dd8,
+  0x313a, 0x04dc,
+  0x313d, 0x1dda,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x1cc9,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x327d, 0x1de1,
+  0x327e, 0x057e,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x3342, 0x1961,
+  0x3343, 0x05a1,
+  0x3349, 0x139f,
+  0x334a, 0x05a8,
+  0x3365, 0x1de3,
+  0x3366, 0x05c4,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x3376, 0x1731,
+  0x3377, 0x05d5,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x1572,
+  0x3444, 0x0600,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3452, 0x1a20,
+  0x3453, 0x060f,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3646, 0x1d32,
+  0x3647, 0x06bf,
+  0x364f, 0x1dee,
+  0x3650, 0x06c8,
+  0x366d, 0x1def,
+  0x366e, 0x06e6,
+  0x3674, 0x1df0,
+  0x3675, 0x06ed,
+  0x367b, 0x1df1,
+  0x367c, 0x06f4,
+  0x367d, 0x1df2,
+  0x367e, 0x06f6,
+  0x3721, 0x06f7,
+  0x3724, 0x1df3,
+  0x3725, 0x06fb,
+  0x3737, 0x1df4,
+  0x3738, 0x070e,
+  0x3745, 0x1df5,
+  0x3746, 0x071c,
+  0x374e, 0x1df6,
+  0x374f, 0x0725,
+  0x3752, 0x1df7,
+  0x3753, 0x0729,
+  0x3755, 0x1df8,
+  0x3756, 0x072c,
+  0x375b, 0x1c0d,
+  0x375c, 0x0732,
+  0x3764, 0x1df9,
+  0x3765, 0x073b,
+  0x3771, 0x1dfa,
+  0x3772, 0x0748,
+  0x3779, 0x1dfb,
+  0x377a, 0x0750,
+  0x377e, 0x1dfc,
+  0x3821, 0x0755,
+  0x3834, 0x1dfd,
+  0x3835, 0x0769,
+  0x3841, 0x1dfe,
+  0x3842, 0x0776,
+  0x3921, 0x07b3,
+  0x392b, 0x1dff,
+  0x392c, 0x07be,
+  0x3937, 0x1e00,
+  0x3938, 0x07ca,
+  0x3942, 0x1e01,
+  0x3943, 0x07d5,
+  0x395c, 0x16dd,
+  0x395d, 0x07ef,
+  0x396d, 0x1e02,
+  0x396e, 0x0800,
+  0x3974, 0x1e03,
+  0x3975, 0x0807,
+  0x3979, 0x1e04,
+  0x397a, 0x080c,
+  0x3a21, 0x0811,
+  0x3a53, 0x1e05,
+  0x3a54, 0x0844,
+  0x3a67, 0x1e06,
+  0x3a68, 0x0858,
+  0x3a74, 0x1e07,
+  0x3a75, 0x0865,
+  0x3b21, 0x086f,
+  0x3b27, 0x1e08,
+  0x3b28, 0x0876,
+  0x3b2a, 0x1e09,
+  0x3b2b, 0x0879,
+  0x3b2c, 0x1e0a,
+  0x3b2d, 0x087b,
+  0x3b39, 0x1e0b,
+  0x3b3a, 0x0888,
+  0x3c21, 0x08cd,
+  0x3c48, 0x1e0d,
+  0x3c49, 0x1929,
+  0x3c4a, 0x08f6,
+  0x3c57, 0x1e0e,
+  0x3c58, 0x0904,
+  0x3c5d, 0x1e0f,
+  0x3c5f, 0x090b,
+  0x3d21, 0x092b,
+  0x3d2b, 0x1e11,
+  0x3d2c, 0x0936,
+  0x3d36, 0x1e12,
+  0x3d37, 0x0941,
+  0x3d6c, 0x1e13,
+  0x3d6e, 0x0978,
+  0x3d72, 0x1e15,
+  0x3d74, 0x097e,
+  0x3e21, 0x0989,
+  0x3e25, 0x1e17,
+  0x3e26, 0x098e,
+  0x3e33, 0x1e18,
+  0x3e34, 0x099c,
+  0x3e3f, 0x1e19,
+  0x3e40, 0x09a8,
+  0x3e55, 0x1e1a,
+  0x3e56, 0x09be,
+  0x3e5f, 0x1e1b,
+  0x3e60, 0x09c8,
+  0x3e64, 0x1e1c,
+  0x3e65, 0x09cd,
+  0x3f21, 0x09e7,
+  0x3f2a, 0x1e1d,
+  0x3f2b, 0x09f1,
+  0x3f59, 0x1e1e,
+  0x3f5a, 0x0a20,
+  0x3f60, 0x1e1f,
+  0x3f61, 0x0a27,
+  0x3f69, 0x1e20,
+  0x3f6a, 0x0a30,
+  0x4021, 0x0a45,
+  0x4022, 0x1e21,
+  0x4023, 0x0a47,
+  0x4042, 0x1e22,
+  0x4043, 0x0a67,
+  0x4066, 0x1e23,
+  0x4067, 0x0a8b,
+  0x4071, 0x1e24,
+  0x4073, 0x0a97,
+  0x4079, 0x1e26,
+  0x407b, 0x0a9f,
+  0x4121, 0x0aa3,
+  0x4127, 0x1e28,
+  0x4128, 0x1a6e,
+  0x4129, 0x0aab,
+  0x4139, 0x1e29,
+  0x413a, 0x0abc,
+  0x414c, 0x1e2a,
+  0x414d, 0x0acf,
+  0x414f, 0x1e2b,
+  0x4150, 0x0ad2,
+  0x415f, 0x1e2c,
+  0x4160, 0x0ae2,
+  0x4169, 0x1e2d,
+  0x416a, 0x0aec,
+  0x4221, 0x0b01,
+  0x423d, 0x1e2e,
+  0x423e, 0x0b1e,
+  0x424d, 0x1e2f,
+  0x424e, 0x0b2e,
+  0x425c, 0x1e30,
+  0x425d, 0x0b3d,
+  0x4263, 0x1e31,
+  0x4264, 0x0b44,
+  0x426f, 0x1e32,
+  0x4270, 0x0b50,
+  0x4275, 0x1e33,
+  0x4277, 0x0b57,
+  0x427d, 0x1e35,
+  0x427e, 0x0b5e,
+  0x4321, 0x0b5f,
+  0x4327, 0x1e36,
+  0x4328, 0x0b66,
+  0x4329, 0x1e37,
+  0x432b, 0x0b69,
+  0x432d, 0x1e39,
+  0x432f, 0x0b6d,
+  0x433d, 0x1e3b,
+  0x433e, 0x0b7c,
+  0x4370, 0x1e3c,
+  0x4371, 0x0baf,
+  0x4375, 0x1e3d,
+  0x4376, 0x0bb4,
+  0x437c, 0x1e3e,
+  0x437d, 0x0bbb,
+  0x4421, 0x0bbd,
+  0x443d, 0x1e3f,
+  0x443e, 0x0bda,
+  0x4448, 0x1e40,
+  0x4449, 0x0be5,
+  0x444a, 0x1e41,
+  0x444b, 0x0be7,
+  0x444d, 0x1e42,
+  0x444e, 0x0bea,
+  0x444f, 0x1e43,
+  0x4450, 0x0bec,
+  0x4454, 0x204b,
+  0x4455, 0x0bf1,
+  0x445b, 0x11b5,
+  0x445c, 0x0bf8,
+  0x4521, 0x0c1b,
+  0x4522, 0x1e44,
+  0x4523, 0x0c1d,
+  0x4527, 0x1e45,
+  0x4528, 0x0c22,
+  0x452e, 0x1e46,
+  0x452f, 0x0c29,
+  0x4536, 0x1e47,
+  0x4537, 0x0c31,
+  0x453f, 0x1e48,
+  0x4540, 0x0c3a,
+  0x4548, 0x1e49,
+  0x4549, 0x0c43,
+  0x454b, 0x1e4a,
+  0x454c, 0x0c46,
+  0x4551, 0x1e4b,
+  0x4553, 0x0c4d,
+  0x4557, 0x16df,
+  0x4558, 0x0c52,
+  0x4564, 0x1e4d,
+  0x4565, 0x0c5f,
+  0x456e, 0x1450,
+  0x456f, 0x0c69,
+  0x4573, 0x1536,
+  0x4574, 0x0c6e,
+  0x4578, 0x1e4e,
+  0x4579, 0x0c73,
+  0x4621, 0x0c79,
+  0x463e, 0x1e4f,
+  0x463f, 0x0c97,
+  0x4642, 0x1e50,
+  0x4643, 0x0c9b,
+  0x4654, 0x1e51,
+  0x4656, 0x0cae,
+  0x465b, 0x1e53,
+  0x465d, 0x0cb5,
+  0x4661, 0x1e55,
+  0x4662, 0x0cba,
+  0x4666, 0x1e56,
+  0x4668, 0x0cc0,
+  0x466a, 0x1e58,
+  0x466b, 0x0cc3,
+  0x4676, 0x1aed,
+  0x4677, 0x0ccf,
+  0x4721, 0x0cd7,
+  0x4729, 0x1e59,
+  0x472a, 0x0ce0,
+  0x4739, 0x1e5a,
+  0x473a, 0x0cf0,
+  0x4757, 0x1e5b,
+  0x4758, 0x0d0e,
+  0x4767, 0x1e5c,
+  0x4768, 0x1989,
+  0x4769, 0x1e5d,
+  0x476a, 0x0d20,
+  0x476d, 0x1e5e,
+  0x476e, 0x0d24,
+  0x4821, 0x0d35,
+  0x4824, 0x1e5f,
+  0x4825, 0x0d39,
+  0x482e, 0x1e60,
+  0x482f, 0x0d43,
+  0x4830, 0x1e61,
+  0x4831, 0x0d45,
+  0x4854, 0x1e62,
+  0x4855, 0x0d69,
+  0x4862, 0x1e63,
+  0x4863, 0x0d77,
+  0x4875, 0x1e64,
+  0x4876, 0x0d8a,
+  0x4921, 0x0d93,
+  0x4922, 0x1e65,
+  0x4924, 0x0d96,
+  0x492f, 0x1e67,
+  0x4930, 0x143b,
+  0x4931, 0x0da3,
+  0x4932, 0x1e68,
+  0x4933, 0x0da5,
+  0x4935, 0x1e69,
+  0x4936, 0x0da8,
+  0x4940, 0x1e6a,
+  0x4941, 0x0db3,
+  0x494e, 0x1e6b,
+  0x494f, 0x0dc1,
+  0x4951, 0x1e6c,
+  0x4952, 0x0dc4,
+  0x4a21, 0x0df1,
+  0x4a43, 0x1e6d,
+  0x4a44, 0x0e14,
+  0x4a4d, 0x1e6e,
+  0x4a4e, 0x0e1e,
+  0x4a5a, 0x1e6f,
+  0x4a5b, 0x0e2b,
+  0x4a79, 0x1e70,
+  0x4a7a, 0x0e4a,
+  0x4b21, 0x0e4f,
+  0x4b22, 0x1e71,
+  0x4b23, 0x0e51,
+  0x4b29, 0x1e72,
+  0x4b2a, 0x0e58,
+  0x4b4b, 0x1e73,
+  0x4b4c, 0x0e7a,
+  0x4b6a, 0x1d33,
+  0x4b6b, 0x0e99,
+  0x4b70, 0x1e74,
+  0x4b71, 0x0e9f,
+  0x4b78, 0x1f2c,
+  0x4b79, 0x102f,
+  0x4b7a, 0x0ea8,
+  0x4c21, 0x0ead,
+  0x4c4d, 0x1e75,
+  0x4c4e, 0x0eda,
+  0x4c59, 0x1e76,
+  0x4c5a, 0x0ee6,
+  0x4c5f, 0x1e77,
+  0x4c60, 0x0eec,
+  0x4c62, 0x1e78,
+  0x4c63, 0x0eef,
+  0x4c79, 0x1935,
+  0x4c7a, 0x1e79,
+  0x4c7b, 0x0f07,
+  0x4c7c, 0x1e7a,
+  0x4c7d, 0x0f09,
+  0x4c7e, 0x1e7b,
+  0x4d21, 0x0f0b,
+  0x4d32, 0x1e7c,
+  0x4d33, 0x0f1d,
+  0x4d50, 0x1e7d,
+  0x4d51, 0x0f3b,
+  0x4d54, 0x1e7e,
+  0x4d55, 0x0f3f,
+  0x4d5a, 0x1d34,
+  0x4d5b, 0x0f45,
+  0x4d69, 0x1e7f,
+  0x4d6a, 0x0f54,
+  0x4e21, 0x0f69,
+  0x4e4b, 0x1e80,
+  0x4e4c, 0x0f94,
+  0x4e7a, 0x1e81,
+  0x4e7c, 0x0fc4,
+  0x4f21, 0x1e83,
+  0x4f22, 0x0fc8,
+  0x4f31, 0x1e84,
+  0x4f32, 0x0fd8,
+  0x4f36, 0x1777,
+  0x4f37, 0x0fdd,
+  0x4f39, 0x1e85,
+  0x4f3a, 0x0fe0,
+  0x5021, 0x0ffa,
+  0x5056, 0x0ea7,
+  0x5057, 0x1030,
+  0x5121, 0x1058,
+  0x513d, 0x1e86,
+  0x513e, 0x1075,
+  0x5147, 0x1e87,
+  0x5148, 0x107f,
+  0x514b, 0x1e88,
+  0x514c, 0x1083,
+  0x514d, 0x1e89,
+  0x514e, 0x1085,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5330, 0x1e8a,
+  0x5331, 0x1124,
+  0x533a, 0x1e8b,
+  0x533b, 0x112e,
+  0x535e, 0x1e8d,
+  0x535f, 0x1152,
+  0x536b, 0x1e8e,
+  0x536c, 0x115f,
+  0x5421, 0x1172,
+  0x5444, 0x1e8f,
+  0x5445, 0x1196,
+  0x5464, 0x0bf7,
+  0x5465, 0x11b6,
+  0x5521, 0x11d0,
+  0x553d, 0x1e90,
+  0x553e, 0x11ed,
+  0x5563, 0x1e91,
+  0x5564, 0x1213,
+  0x5621, 0x122e,
+  0x5622, 0x1e92,
+  0x5623, 0x1230,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5824, 0x1e94,
+  0x5825, 0x12ee,
+  0x5921, 0x1348,
+  0x5960, 0x1e95,
+  0x5961, 0x1388,
+  0x596c, 0x1e96,
+  0x596d, 0x1394,
+  0x5978, 0x05a7,
+  0x5979, 0x13a0,
+  0x5a21, 0x13a6,
+  0x5a39, 0x1e97,
+  0x5a3a, 0x13bf,
+  0x5a4d, 0x1e98,
+  0x5a4e, 0x13d3,
+  0x5b21, 0x1404,
+  0x5b45, 0x1e99,
+  0x5b46, 0x1429,
+  0x5b4a, 0x1e9a,
+  0x5b4b, 0x142e,
+  0x5b58, 0x0da2,
+  0x5b59, 0x143c,
+  0x5b6b, 0x1e9b,
+  0x5b6c, 0x144f,
+  0x5b6d, 0x0c68,
+  0x5b6e, 0x1451,
+  0x5b74, 0x1e9c,
+  0x5b75, 0x1458,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5e39, 0x0c6d,
+  0x5e3a, 0x1537,
+  0x5e50, 0x1e9d,
+  0x5e51, 0x154e,
+  0x5e75, 0x05ff,
+  0x5e76, 0x1573,
+  0x5f21, 0x157c,
+  0x6021, 0x15da,
+  0x6026, 0x1e9f,
+  0x6027, 0x15e0,
+  0x605f, 0x1ea0,
+  0x6060, 0x1619,
+  0x6076, 0x1d35,
+  0x6077, 0x1630,
+  0x6121, 0x1638,
+  0x612b, 0x1ea1,
+  0x612c, 0x1643,
+  0x6130, 0x1ea2,
+  0x6132, 0x1649,
+  0x6221, 0x1696,
+  0x622b, 0x1ea4,
+  0x622c, 0x16a1,
+  0x6268, 0x07ee,
+  0x6269, 0x16de,
+  0x626a, 0x0c51,
+  0x626b, 0x16e0,
+  0x626f, 0x1ea5,
+  0x6270, 0x16e5,
+  0x6321, 0x16f4,
+  0x634a, 0x1ea6,
+  0x634b, 0x171e,
+  0x6354, 0x1ea7,
+  0x6355, 0x1728,
+  0x635e, 0x05d4,
+  0x635f, 0x1732,
+  0x6421, 0x1752,
+  0x6439, 0x1ea8,
+  0x643a, 0x176b,
+  0x6446, 0x0fdc,
+  0x6447, 0x1778,
+  0x6464, 0x1ea9,
+  0x6465, 0x1796,
+  0x646e, 0x1eaa,
+  0x646f, 0x17a0,
+  0x6521, 0x17b0,
+  0x6539, 0x1eab,
+  0x653a, 0x17c9,
+  0x653b, 0x1eac,
+  0x653c, 0x17cb,
+  0x6546, 0x1ead,
+  0x6547, 0x17d6,
+  0x6621, 0x180e,
+  0x6646, 0x1eae,
+  0x6647, 0x1834,
+  0x6721, 0x186c,
+  0x6764, 0x1eaf,
+  0x6765, 0x18b0,
+  0x6769, 0x1eb0,
+  0x676a, 0x18b5,
+  0x6772, 0x1eb1,
+  0x6773, 0x18be,
+  0x6821, 0x18ca,
+  0x6834, 0x1eb2,
+  0x6835, 0x18de,
+  0x683b, 0x1eb3,
+  0x683c, 0x18e5,
+  0x6874, 0x1eb4,
+  0x6875, 0x191e,
+  0x6921, 0x1928,
+  0x6922, 0x08f5,
+  0x6923, 0x192a,
+  0x692e, 0x0f05,
+  0x692f, 0x1936,
+  0x695a, 0x05a0,
+  0x695b, 0x1962,
+  0x6a21, 0x1986,
+  0x6a24, 0x0d1e,
+  0x6a25, 0x198a,
+  0x6a27, 0x1eb6,
+  0x6a28, 0x198d,
+  0x6a3d, 0x1eb7,
+  0x6a3e, 0x19a3,
+  0x6a6f, 0x1eb8,
+  0x6a70, 0x19d5,
+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b5d, 0x060e,
+  0x6b5e, 0x1a21,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6b76, 0x1ebb,
+  0x6b77, 0x1a3a,
+  0x6c21, 0x1a42,
+  0x6c4d, 0x0aaa,
+  0x6c4e, 0x1a6f,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6c74, 0x1ebd,
+  0x6c75, 0x1a96,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6d6c, 0x1ebf,
+  0x6d6d, 0x1aec,
+  0x6d6e, 0x1ec0,
+  0x6d6f, 0x1aee,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6e57, 0x1ec3,
+  0x6e58, 0x1b35,
+  0x6f21, 0x1b5c,
+  0x7021, 0x1bba,
+  0x7045, 0x1ec6,
+  0x7046, 0x1bdf,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7057, 0x1ec8,
+  0x7058, 0x1bf1,
+  0x7074, 0x0731,
+  0x7075, 0x1ec9,
+  0x7076, 0x1c0f,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724d, 0x0477,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7274, 0x0529,
+  0x7275, 0x1cca,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1d05,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278HMap2, 625
+};
+
+static Gushort japan1278RKSJHMap2[1252] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88a7, 0x204a,
+  0x88a8, 0x046e,
+  0x88b0, 0x1f19,
+  0x88b1, 0x1ca2,
+  0x88b2, 0x0478,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1dd8,
+  0x8959, 0x04dc,
+  0x895c, 0x1dda,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x1cc9,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x89fb, 0x1de1,
+  0x89fc, 0x057e,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a61, 0x1961,
+  0x8a62, 0x05a1,
+  0x8a68, 0x139f,
+  0x8a69, 0x05a8,
+  0x8a80, 0x05be,
+  0x8a85, 0x1de3,
+  0x8a86, 0x05c4,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a96, 0x1731,
+  0x8a97, 0x05d5,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x1572,
+  0x8ac2, 0x0600,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ad0, 0x1a20,
+  0x8ad1, 0x060f,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc4, 0x1d32,
+  0x8bc5, 0x06bf,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c43, 0x1df3,
+  0x8c44, 0x06fb,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c64, 0x1df5,
+  0x8c65, 0x071c,
+  0x8c6d, 0x1df6,
+  0x8c6e, 0x0725,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c74, 0x1df8,
+  0x8c75, 0x072c,
+  0x8c7a, 0x1c0d,
+  0x8c7b, 0x0732,
+  0x8c80, 0x0736,
+  0x8c84, 0x1df9,
+  0x8c85, 0x073b,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c99, 0x1dfb,
+  0x8c9a, 0x0750,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d56, 0x1e00,
+  0x8d57, 0x07ca,
+  0x8d61, 0x1e01,
+  0x8d62, 0x07d5,
+  0x8d7b, 0x16dd,
+  0x8d7c, 0x07ef,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e80, 0x08ae,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x1929,
+  0x8ec8, 0x08f6,
+  0x8ed5, 0x1e0e,
+  0x8ed6, 0x0904,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8e, 0x0978,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fbd, 0x1e19,
+  0x8fbe, 0x09a8,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1e1e,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x9089, 0x1e20,
+  0x908a, 0x0a30,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90c0, 0x1e22,
+  0x90c1, 0x0a67,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f1, 0x0a97,
+  0x90f7, 0x1e26,
+  0x90f9, 0x0a9f,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x1a6e,
+  0x9148, 0x0aab,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91f3, 0x1e33,
+  0x91f5, 0x0b57,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x924a, 0x0b69,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cb, 0x1e42,
+  0x92cc, 0x0bea,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x92d2, 0x204b,
+  0x92d3, 0x0bf1,
+  0x92d9, 0x11b5,
+  0x92da, 0x0bf8,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1e4b,
+  0x9372, 0x0c4d,
+  0x9376, 0x16df,
+  0x9377, 0x0c52,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x938e, 0x1450,
+  0x938f, 0x0c69,
+  0x9393, 0x1536,
+  0x9394, 0x0c6e,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93bc, 0x1e4f,
+  0x93bd, 0x0c97,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d4, 0x0cae,
+  0x93d9, 0x1e53,
+  0x93db, 0x0cb5,
+  0x93df, 0x1e55,
+  0x93e0, 0x0cba,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1aed,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x0ce0,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x1989,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94e0, 0x1e63,
+  0x94e1, 0x0d77,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x143b,
+  0x9550, 0x0da3,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9570, 0x1e6c,
+  0x9571, 0x0dc4,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9641, 0x1e71,
+  0x9642, 0x0e51,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x968a, 0x1d33,
+  0x968b, 0x0e99,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9698, 0x1f2c,
+  0x9699, 0x102f,
+  0x969a, 0x0ea8,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f7, 0x1935,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x96fc, 0x1e7b,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9779, 0x1d34,
+  0x977a, 0x0f45,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97c9, 0x1e80,
+  0x97ca, 0x0f94,
+  0x97f8, 0x1e81,
+  0x97fa, 0x0fc4,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9855, 0x1777,
+  0x9856, 0x0fdd,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x98d4, 0x0ea7,
+  0x98d5, 0x1030,
+  0x9940, 0x1058,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x9966, 0x1e87,
+  0x9967, 0x107f,
+  0x996a, 0x1e88,
+  0x996b, 0x1083,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x115f,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1196,
+  0x9ae2, 0x0bf7,
+  0x9ae3, 0x11b6,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9d98, 0x05a7,
+  0x9d99, 0x13a0,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9dcb, 0x1e98,
+  0x9dcc, 0x13d3,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e69, 0x1e9a,
+  0x9e6a, 0x142e,
+  0x9e77, 0x0da2,
+  0x9e78, 0x143c,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9e8d, 0x0c68,
+  0x9e8e, 0x1451,
+  0x9e94, 0x1e9c,
+  0x9e95, 0x1458,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9fb7, 0x0c6d,
+  0x9fb8, 0x1537,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9ff3, 0x05ff,
+  0x9ff4, 0x1573,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe0f4, 0x1d35,
+  0xe0f5, 0x1630,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe14f, 0x1ea2,
+  0xe151, 0x1649,
+  0xe180, 0x1677,
+  0xe1a9, 0x1ea4,
+  0xe1aa, 0x16a1,
+  0xe1e6, 0x07ee,
+  0xe1e7, 0x16de,
+  0xe1e8, 0x0c51,
+  0xe1e9, 0x16e0,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe27d, 0x05d4,
+  0xe27e, 0x1732,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2c4, 0x0fdc,
+  0xe2c5, 0x1778,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c4, 0x1eae,
+  0xe3c5, 0x1834,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b2, 0x1eb2,
+  0xe4b3, 0x18de,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4f2, 0x1eb4,
+  0xe4f3, 0x191e,
+  0xe540, 0x1928,
+  0xe541, 0x08f5,
+  0xe542, 0x192a,
+  0xe54d, 0x0f05,
+  0xe54e, 0x1936,
+  0xe579, 0x05a0,
+  0xe57a, 0x1962,
+  0xe580, 0x1967,
+  0xe5a2, 0x0d1e,
+  0xe5a3, 0x198a,
+  0xe5a5, 0x1eb6,
+  0xe5a6, 0x198d,
+  0xe5bb, 0x1eb7,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe67c, 0x060e,
+  0xe67d, 0x1a21,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe696, 0x1ebb,
+  0xe697, 0x1a3a,
+  0xe6cb, 0x0aaa,
+  0xe6cc, 0x1a6f,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe6f2, 0x1ebd,
+  0xe6f3, 0x1a96,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe78c, 0x1ebf,
+  0xe78d, 0x1aec,
+  0xe78e, 0x1ec0,
+  0xe78f, 0x1aee,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe7d5, 0x1ec3,
+  0xe7d6, 0x1b35,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe8c3, 0x1ec6,
+  0xe8c4, 0x1bdf,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe8d5, 0x1ec8,
+  0xe8d6, 0x1bf1,
+  0xe8f2, 0x0731,
+  0xe8f3, 0x1ec9,
+  0xe8f4, 0x1c0f,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cb, 0x0477,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xe9f2, 0x0529,
+  0xe9f3, 0x1cca,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1d05,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278RKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278RKSJHMap2, 626
+};
+
+static Gushort japan1278RKSJVMap2[1306] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88a7, 0x204a,
+  0x88a8, 0x046e,
+  0x88b0, 0x1f19,
+  0x88b1, 0x1ca2,
+  0x88b2, 0x0478,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1dd8,
+  0x8959, 0x04dc,
+  0x895c, 0x1dda,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x1cc9,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x89fb, 0x1de1,
+  0x89fc, 0x057e,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a61, 0x1961,
+  0x8a62, 0x05a1,
+  0x8a68, 0x139f,
+  0x8a69, 0x05a8,
+  0x8a80, 0x05be,
+  0x8a85, 0x1de3,
+  0x8a86, 0x05c4,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a96, 0x1731,
+  0x8a97, 0x05d5,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x1572,
+  0x8ac2, 0x0600,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ad0, 0x1a20,
+  0x8ad1, 0x060f,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc4, 0x1d32,
+  0x8bc5, 0x06bf,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c43, 0x1df3,
+  0x8c44, 0x06fb,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c64, 0x1df5,
+  0x8c65, 0x071c,
+  0x8c6d, 0x1df6,
+  0x8c6e, 0x0725,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c74, 0x1df8,
+  0x8c75, 0x072c,
+  0x8c7a, 0x1c0d,
+  0x8c7b, 0x0732,
+  0x8c80, 0x0736,
+  0x8c84, 0x1df9,
+  0x8c85, 0x073b,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c99, 0x1dfb,
+  0x8c9a, 0x0750,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d56, 0x1e00,
+  0x8d57, 0x07ca,
+  0x8d61, 0x1e01,
+  0x8d62, 0x07d5,
+  0x8d7b, 0x16dd,
+  0x8d7c, 0x07ef,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e80, 0x08ae,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x1929,
+  0x8ec8, 0x08f6,
+  0x8ed5, 0x1e0e,
+  0x8ed6, 0x0904,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8e, 0x0978,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fbd, 0x1e19,
+  0x8fbe, 0x09a8,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1e1e,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x9089, 0x1e20,
+  0x908a, 0x0a30,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90c0, 0x1e22,
+  0x90c1, 0x0a67,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f1, 0x0a97,
+  0x90f7, 0x1e26,
+  0x90f9, 0x0a9f,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x1a6e,
+  0x9148, 0x0aab,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91f3, 0x1e33,
+  0x91f5, 0x0b57,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x924a, 0x0b69,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cb, 0x1e42,
+  0x92cc, 0x0bea,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x92d2, 0x204b,
+  0x92d3, 0x0bf1,
+  0x92d9, 0x11b5,
+  0x92da, 0x0bf8,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1e4b,
+  0x9372, 0x0c4d,
+  0x9376, 0x16df,
+  0x9377, 0x0c52,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x938e, 0x1450,
+  0x938f, 0x0c69,
+  0x9393, 0x1536,
+  0x9394, 0x0c6e,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93bc, 0x1e4f,
+  0x93bd, 0x0c97,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d4, 0x0cae,
+  0x93d9, 0x1e53,
+  0x93db, 0x0cb5,
+  0x93df, 0x1e55,
+  0x93e0, 0x0cba,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1aed,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x0ce0,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x1989,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94e0, 0x1e63,
+  0x94e1, 0x0d77,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x143b,
+  0x9550, 0x0da3,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9570, 0x1e6c,
+  0x9571, 0x0dc4,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9641, 0x1e71,
+  0x9642, 0x0e51,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x968a, 0x1d33,
+  0x968b, 0x0e99,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9698, 0x1f2c,
+  0x9699, 0x102f,
+  0x969a, 0x0ea8,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f7, 0x1935,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x96fc, 0x1e7b,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9779, 0x1d34,
+  0x977a, 0x0f45,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97c9, 0x1e80,
+  0x97ca, 0x0f94,
+  0x97f8, 0x1e81,
+  0x97fa, 0x0fc4,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9855, 0x1777,
+  0x9856, 0x0fdd,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x98d4, 0x0ea7,
+  0x98d5, 0x1030,
+  0x9940, 0x1058,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x9966, 0x1e87,
+  0x9967, 0x107f,
+  0x996a, 0x1e88,
+  0x996b, 0x1083,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x115f,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1196,
+  0x9ae2, 0x0bf7,
+  0x9ae3, 0x11b6,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9d98, 0x05a7,
+  0x9d99, 0x13a0,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9dcb, 0x1e98,
+  0x9dcc, 0x13d3,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e69, 0x1e9a,
+  0x9e6a, 0x142e,
+  0x9e77, 0x0da2,
+  0x9e78, 0x143c,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9e8d, 0x0c68,
+  0x9e8e, 0x1451,
+  0x9e94, 0x1e9c,
+  0x9e95, 0x1458,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9fb7, 0x0c6d,
+  0x9fb8, 0x1537,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9ff3, 0x05ff,
+  0x9ff4, 0x1573,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe0f4, 0x1d35,
+  0xe0f5, 0x1630,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe14f, 0x1ea2,
+  0xe151, 0x1649,
+  0xe180, 0x1677,
+  0xe1a9, 0x1ea4,
+  0xe1aa, 0x16a1,
+  0xe1e6, 0x07ee,
+  0xe1e7, 0x16de,
+  0xe1e8, 0x0c51,
+  0xe1e9, 0x16e0,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe27d, 0x05d4,
+  0xe27e, 0x1732,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2c4, 0x0fdc,
+  0xe2c5, 0x1778,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c4, 0x1eae,
+  0xe3c5, 0x1834,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b2, 0x1eb2,
+  0xe4b3, 0x18de,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4f2, 0x1eb4,
+  0xe4f3, 0x191e,
+  0xe540, 0x1928,
+  0xe541, 0x08f5,
+  0xe542, 0x192a,
+  0xe54d, 0x0f05,
+  0xe54e, 0x1936,
+  0xe579, 0x05a0,
+  0xe57a, 0x1962,
+  0xe580, 0x1967,
+  0xe5a2, 0x0d1e,
+  0xe5a3, 0x198a,
+  0xe5a5, 0x1eb6,
+  0xe5a6, 0x198d,
+  0xe5bb, 0x1eb7,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe67c, 0x060e,
+  0xe67d, 0x1a21,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe696, 0x1ebb,
+  0xe697, 0x1a3a,
+  0xe6cb, 0x0aaa,
+  0xe6cc, 0x1a6f,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe6f2, 0x1ebd,
+  0xe6f3, 0x1a96,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe78c, 0x1ebf,
+  0xe78d, 0x1aec,
+  0xe78e, 0x1ec0,
+  0xe78f, 0x1aee,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe7d5, 0x1ec3,
+  0xe7d6, 0x1b35,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe8c3, 0x1ec6,
+  0xe8c4, 0x1bdf,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe8d5, 0x1ec8,
+  0xe8d6, 0x1bf1,
+  0xe8f2, 0x0731,
+  0xe8f3, 0x1ec9,
+  0xe8f4, 0x1c0f,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cb, 0x0477,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xe9f2, 0x0529,
+  0xe9f3, 0x1cca,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1d05,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0x8141, 0x1ecf,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8169, 0x1edb,
+  0x8181, 0x1eed,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278RKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278RKSJVMap2, 653
+};
+
+static Gushort japan1278VMap2[1304] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2221, 0x02d7,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3029, 0x204a,
+  0x302a, 0x046e,
+  0x3032, 0x1f19,
+  0x3033, 0x1ca2,
+  0x3034, 0x0478,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1dd8,
+  0x313a, 0x04dc,
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+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b5d, 0x060e,
+  0x6b5e, 0x1a21,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6b76, 0x1ebb,
+  0x6b77, 0x1a3a,
+  0x6c21, 0x1a42,
+  0x6c4d, 0x0aaa,
+  0x6c4e, 0x1a6f,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6c74, 0x1ebd,
+  0x6c75, 0x1a96,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6d6c, 0x1ebf,
+  0x6d6d, 0x1aec,
+  0x6d6e, 0x1ec0,
+  0x6d6f, 0x1aee,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6e57, 0x1ec3,
+  0x6e58, 0x1b35,
+  0x6f21, 0x1b5c,
+  0x7021, 0x1bba,
+  0x7045, 0x1ec6,
+  0x7046, 0x1bdf,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7057, 0x1ec8,
+  0x7058, 0x1bf1,
+  0x7074, 0x0731,
+  0x7075, 0x1ec9,
+  0x7076, 0x1c0f,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724d, 0x0477,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7274, 0x0529,
+  0x7275, 0x1cca,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1d05,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0x2122, 0x1ecf,
+  0x2131, 0x1ed1,
+  0x213c, 0x1ed3,
+  0x2141, 0x1ed6,
+  0x214a, 0x1edb,
+  0x2161, 0x1eed,
+  0x2421, 0x1eee,
+  0x2423, 0x1eef,
+  0x2425, 0x1ef0,
+  0x2427, 0x1ef1,
+  0x2429, 0x1ef2,
+  0x2443, 0x1ef3,
+  0x2463, 0x1ef4,
+  0x2465, 0x1ef5,
+  0x2467, 0x1ef6,
+  0x246e, 0x1ef7,
+  0x2521, 0x1ef8,
+  0x2523, 0x1ef9,
+  0x2525, 0x1efa,
+  0x2527, 0x1efb,
+  0x2529, 0x1efc,
+  0x2543, 0x1efd,
+  0x2563, 0x1efe,
+  0x2565, 0x1eff,
+  0x2567, 0x1f00,
+  0x256e, 0x1f01,
+  0x2575, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278VMap2, 652
+};
+
+static Gushort japan1278msRKSJHMap2[1424] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x8761, 0x1f66,
+  0x8762, 0x1da4,
+  0x8763, 0x1f68,
+  0x8764, 0x1da6,
+  0x8765, 0x1f6a,
+  0x8766, 0x1da8,
+  0x8768, 0x1f6c,
+  0x8769, 0x1dab,
+  0x876b, 0x1f6b,
+  0x876c, 0x1dae,
+  0x876e, 0x1f6f,
+  0x876f, 0x1db1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8784, 0x1f77,
+  0x8785, 0x1dbd,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88a7, 0x204a,
+  0x88a8, 0x046e,
+  0x88b0, 0x1f19,
+  0x88b1, 0x1ca2,
+  0x88b2, 0x0478,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1dd8,
+  0x8959, 0x04dc,
+  0x895c, 0x1dda,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x1cc9,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x89fb, 0x1de1,
+  0x89fc, 0x057e,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a61, 0x1961,
+  0x8a62, 0x05a1,
+  0x8a68, 0x139f,
+  0x8a69, 0x05a8,
+  0x8a80, 0x05be,
+  0x8a85, 0x1de3,
+  0x8a86, 0x05c4,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a96, 0x1731,
+  0x8a97, 0x05d5,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x1572,
+  0x8ac2, 0x0600,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ad0, 0x1a20,
+  0x8ad1, 0x060f,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc4, 0x1d32,
+  0x8bc5, 0x06bf,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c43, 0x1df3,
+  0x8c44, 0x06fb,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c64, 0x1df5,
+  0x8c65, 0x071c,
+  0x8c6d, 0x1df6,
+  0x8c6e, 0x0725,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c74, 0x1df8,
+  0x8c75, 0x072c,
+  0x8c7a, 0x1c0d,
+  0x8c7b, 0x0732,
+  0x8c80, 0x0736,
+  0x8c84, 0x1df9,
+  0x8c85, 0x073b,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c99, 0x1dfb,
+  0x8c9a, 0x0750,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d56, 0x1e00,
+  0x8d57, 0x07ca,
+  0x8d61, 0x1e01,
+  0x8d62, 0x07d5,
+  0x8d7b, 0x16dd,
+  0x8d7c, 0x07ef,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e80, 0x08ae,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x1929,
+  0x8ec8, 0x08f6,
+  0x8ed5, 0x1e0e,
+  0x8ed6, 0x0904,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8e, 0x0978,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fbd, 0x1e19,
+  0x8fbe, 0x09a8,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1e1e,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x9089, 0x1e20,
+  0x908a, 0x0a30,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90c0, 0x1e22,
+  0x90c1, 0x0a67,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f1, 0x0a97,
+  0x90f7, 0x1e26,
+  0x90f9, 0x0a9f,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x1a6e,
+  0x9148, 0x0aab,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91f3, 0x1e33,
+  0x91f5, 0x0b57,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x924a, 0x0b69,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cb, 0x1e42,
+  0x92cc, 0x0bea,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x92d2, 0x204b,
+  0x92d3, 0x0bf1,
+  0x92d9, 0x11b5,
+  0x92da, 0x0bf8,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1e4b,
+  0x9372, 0x0c4d,
+  0x9376, 0x16df,
+  0x9377, 0x0c52,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x938e, 0x1450,
+  0x938f, 0x0c69,
+  0x9393, 0x1536,
+  0x9394, 0x0c6e,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93bc, 0x1e4f,
+  0x93bd, 0x0c97,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d4, 0x0cae,
+  0x93d9, 0x1e53,
+  0x93db, 0x0cb5,
+  0x93df, 0x1e55,
+  0x93e0, 0x0cba,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1aed,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x0ce0,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x1989,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94e0, 0x1e63,
+  0x94e1, 0x0d77,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x143b,
+  0x9550, 0x0da3,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9570, 0x1e6c,
+  0x9571, 0x0dc4,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9641, 0x1e71,
+  0x9642, 0x0e51,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x968a, 0x1d33,
+  0x968b, 0x0e99,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9698, 0x1f2c,
+  0x9699, 0x102f,
+  0x969a, 0x0ea8,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f7, 0x1935,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x96fc, 0x1e7b,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9779, 0x1d34,
+  0x977a, 0x0f45,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97c9, 0x1e80,
+  0x97ca, 0x0f94,
+  0x97f8, 0x1e81,
+  0x97fa, 0x0fc4,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9855, 0x1777,
+  0x9856, 0x0fdd,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x98d4, 0x0ea7,
+  0x98d5, 0x1030,
+  0x9940, 0x1058,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x9966, 0x1e87,
+  0x9967, 0x107f,
+  0x996a, 0x1e88,
+  0x996b, 0x1083,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x115f,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1196,
+  0x9ae2, 0x0bf7,
+  0x9ae3, 0x11b6,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9d98, 0x05a7,
+  0x9d99, 0x13a0,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9dcb, 0x1e98,
+  0x9dcc, 0x13d3,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e69, 0x1e9a,
+  0x9e6a, 0x142e,
+  0x9e77, 0x0da2,
+  0x9e78, 0x143c,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9e8d, 0x0c68,
+  0x9e8e, 0x1451,
+  0x9e94, 0x1e9c,
+  0x9e95, 0x1458,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9fb7, 0x0c6d,
+  0x9fb8, 0x1537,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9ff3, 0x05ff,
+  0x9ff4, 0x1573,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe0f4, 0x1d35,
+  0xe0f5, 0x1630,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe14f, 0x1ea2,
+  0xe151, 0x1649,
+  0xe180, 0x1677,
+  0xe1a9, 0x1ea4,
+  0xe1aa, 0x16a1,
+  0xe1e6, 0x07ee,
+  0xe1e7, 0x16de,
+  0xe1e8, 0x0c51,
+  0xe1e9, 0x16e0,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe27d, 0x05d4,
+  0xe27e, 0x1732,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2c4, 0x0fdc,
+  0xe2c5, 0x1778,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c4, 0x1eae,
+  0xe3c5, 0x1834,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b2, 0x1eb2,
+  0xe4b3, 0x18de,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4f2, 0x1eb4,
+  0xe4f3, 0x191e,
+  0xe540, 0x1928,
+  0xe541, 0x08f5,
+  0xe542, 0x192a,
+  0xe54d, 0x0f05,
+  0xe54e, 0x1936,
+  0xe579, 0x05a0,
+  0xe57a, 0x1962,
+  0xe580, 0x1967,
+  0xe5a2, 0x0d1e,
+  0xe5a3, 0x198a,
+  0xe5a5, 0x1eb6,
+  0xe5a6, 0x198d,
+  0xe5bb, 0x1eb7,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe67c, 0x060e,
+  0xe67d, 0x1a21,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe696, 0x1ebb,
+  0xe697, 0x1a3a,
+  0xe6cb, 0x0aaa,
+  0xe6cc, 0x1a6f,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe6f2, 0x1ebd,
+  0xe6f3, 0x1a96,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe78c, 0x1ebf,
+  0xe78d, 0x1aec,
+  0xe78e, 0x1ec0,
+  0xe78f, 0x1aee,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe7d5, 0x1ec3,
+  0xe7d6, 0x1b35,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe8c3, 0x1ec6,
+  0xe8c4, 0x1bdf,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe8d5, 0x1ec8,
+  0xe8d6, 0x1bf1,
+  0xe8f2, 0x0731,
+  0xe8f3, 0x1ec9,
+  0xe8f4, 0x1c0f,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cb, 0x0477,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xe9f2, 0x0529,
+  0xe9f3, 0x1cca,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1d05,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xeaa3, 0x205c,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xfa40, 0x1f9c,
+  0xfa4a, 0x1d97,
+  0xfa54, 0x02ef,
+  0xfa55, 0x1f45,
+  0xfa58, 0x1dc2,
+  0xfa59, 0x1dba,
+  0xfa5a, 0x1f77,
+  0xfa5b, 0x0300,
+  0xfa5c, 0x20a7,
+  0xfa80, 0x20ca,
+  0xfad0, 0x07c9,
+  0xfad1, 0x211a,
+  0xfb40, 0x2146,
+  0xfb80, 0x2185,
+  0xfc40, 0x2202,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278msRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0277, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278msRKSJHMap2, 712
+};
+
+static Gushort japan1278msRKSJVMap2[1580] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
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+  0x9e8e, 0x1451,
+  0x9e94, 0x1e9c,
+  0x9e95, 0x1458,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9fb7, 0x0c6d,
+  0x9fb8, 0x1537,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9ff3, 0x05ff,
+  0x9ff4, 0x1573,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe0f4, 0x1d35,
+  0xe0f5, 0x1630,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe14f, 0x1ea2,
+  0xe151, 0x1649,
+  0xe180, 0x1677,
+  0xe1a9, 0x1ea4,
+  0xe1aa, 0x16a1,
+  0xe1e6, 0x07ee,
+  0xe1e7, 0x16de,
+  0xe1e8, 0x0c51,
+  0xe1e9, 0x16e0,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe27d, 0x05d4,
+  0xe27e, 0x1732,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2c4, 0x0fdc,
+  0xe2c5, 0x1778,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c4, 0x1eae,
+  0xe3c5, 0x1834,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b2, 0x1eb2,
+  0xe4b3, 0x18de,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4f2, 0x1eb4,
+  0xe4f3, 0x191e,
+  0xe540, 0x1928,
+  0xe541, 0x08f5,
+  0xe542, 0x192a,
+  0xe54d, 0x0f05,
+  0xe54e, 0x1936,
+  0xe579, 0x05a0,
+  0xe57a, 0x1962,
+  0xe580, 0x1967,
+  0xe5a2, 0x0d1e,
+  0xe5a3, 0x198a,
+  0xe5a5, 0x1eb6,
+  0xe5a6, 0x198d,
+  0xe5bb, 0x1eb7,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe67c, 0x060e,
+  0xe67d, 0x1a21,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe696, 0x1ebb,
+  0xe697, 0x1a3a,
+  0xe6cb, 0x0aaa,
+  0xe6cc, 0x1a6f,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe6f2, 0x1ebd,
+  0xe6f3, 0x1a96,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe78c, 0x1ebf,
+  0xe78d, 0x1aec,
+  0xe78e, 0x1ec0,
+  0xe78f, 0x1aee,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe7d5, 0x1ec3,
+  0xe7d6, 0x1b35,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe8c3, 0x1ec6,
+  0xe8c4, 0x1bdf,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe8d5, 0x1ec8,
+  0xe8d6, 0x1bf1,
+  0xe8f2, 0x0731,
+  0xe8f3, 0x1ec9,
+  0xe8f4, 0x1c0f,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cb, 0x0477,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xe9f2, 0x0529,
+  0xe9f3, 0x1cca,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1d05,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xeaa3, 0x205c,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xfa40, 0x1f9c,
+  0xfa4a, 0x1d97,
+  0xfa54, 0x02ef,
+  0xfa55, 0x1f45,
+  0xfa58, 0x1dc2,
+  0xfa59, 0x1dba,
+  0xfa5a, 0x1f77,
+  0xfa5b, 0x0300,
+  0xfa5c, 0x20a7,
+  0xfa80, 0x20ca,
+  0xfad0, 0x07c9,
+  0xfad1, 0x211a,
+  0xfb40, 0x2146,
+  0xfb80, 0x2185,
+  0xfc40, 0x2202,
+  0x8141, 0x1ecf,
+  0x8143, 0x204c,
+  0x8144, 0x2052,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8169, 0x1edb,
+  0x8181, 0x1eed,
+  0x81a8, 0x02e3,
+  0x81a9, 0x02e2,
+  0x81aa, 0x02e0,
+  0x81ac, 0x204e,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0x849f, 0x1d39,
+  0x84a0, 0x1d37,
+  0x84a1, 0x1d47,
+  0x84a2, 0x1d4f,
+  0x84a3, 0x1d4b,
+  0x84a4, 0x1d43,
+  0x84a5, 0x1d63,
+  0x84a6, 0x1d5b,
+  0x84a7, 0x1d6b,
+  0x84a8, 0x1d53,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d3a,
+  0x84ab, 0x1d38,
+  0x84ac, 0x1d4a,
+  0x84ad, 0x1d52,
+  0x84ae, 0x1d4e,
+  0x84af, 0x1d46,
+  0x84b0, 0x1d6a,
+  0x84b1, 0x1d62,
+  0x84b2, 0x1d72,
+  0x84b3, 0x1d5a,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d66,
+  0x84b6, 0x1d5f,
+  0x84b7, 0x1d6e,
+  0x84b8, 0x1d57,
+  0x84b9, 0x1d79,
+  0x84ba, 0x1d67,
+  0x84bb, 0x1d5c,
+  0x84bc, 0x1d6f,
+  0x84bd, 0x1d54,
+  0x84be, 0x1d76,
+  0x875f, 0x1f04,
+  0x8761, 0x2089,
+  0x8762, 0x1f07,
+  0x8763, 0x2093,
+  0x8764, 0x1f09,
+  0x8765, 0x2092,
+  0x8766, 0x1f0b,
+  0x8768, 0x2098,
+  0x8769, 0x1f0e,
+  0x876b, 0x209c,
+  0x876c, 0x1f11,
+  0x876e, 0x209d,
+  0x8780, 0x1f14,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1278msRKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0277, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1278msRKSJVMap2, 790
+};
+
+static Gushort japan1283pvRKSJHMap2[436] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8540, 0x00e8,
+  0x8580, 0x0186,
+  0x8581, 0x0128,
+  0x859f, 0x0147,
+  0x85de, 0x0187,
+  0x8640, 0x01a6,
+  0x8680, 0x01e5,
+  0x8692, 0x0127,
+  0x8693, 0x01f7,
+  0x86a2, 0x1d37,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x8780, 0x1db8,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xeb40, 0x0279,
+  0xeb41, 0x1ecf,
+  0xeb43, 0x027c,
+  0xeb50, 0x1ed1,
+  0xeb52, 0x028b,
+  0xeb5b, 0x1ed3,
+  0xeb5e, 0x0297,
+  0xeb60, 0x1ed6,
+  0xeb65, 0x029e,
+  0xeb69, 0x1edb,
+  0xeb7b, 0x02b4,
+  0xeb80, 0x02b8,
+  0xeb81, 0x1eed,
+  0xeb82, 0x02ba,
+  0xebb8, 0x02e5,
+  0xebc8, 0x02ed,
+  0xebda, 0x02f4,
+  0xebf0, 0x0303,
+  0xebfc, 0x030b,
+  0xec4f, 0x030c,
+  0xec60, 0x0316,
+  0xec81, 0x0330,
+  0xec9f, 0x1eee,
+  0xeca0, 0x034b,
+  0xeca1, 0x1eef,
+  0xeca2, 0x034d,
+  0xeca3, 0x1ef0,
+  0xeca4, 0x034f,
+  0xeca5, 0x1ef1,
+  0xeca6, 0x0351,
+  0xeca7, 0x1ef2,
+  0xeca8, 0x0353,
+  0xecc1, 0x1ef3,
+  0xecc2, 0x036d,
+  0xece1, 0x1ef4,
+  0xece2, 0x038d,
+  0xece3, 0x1ef5,
+  0xece4, 0x038f,
+  0xece5, 0x1ef6,
+  0xece6, 0x0391,
+  0xecec, 0x1ef7,
+  0xeced, 0x0398,
+  0xed40, 0x1ef8,
+  0xed41, 0x039e,
+  0xed42, 0x1ef9,
+  0xed43, 0x03a0,
+  0xed44, 0x1efa,
+  0xed45, 0x03a2,
+  0xed46, 0x1efb,
+  0xed47, 0x03a4,
+  0xed48, 0x1efc,
+  0xed49, 0x03a6,
+  0xed62, 0x1efd,
+  0xed63, 0x03c0,
+  0xed80, 0x03dc,
+  0xed83, 0x1efe,
+  0xed84, 0x03e0,
+  0xed85, 0x1eff,
+  0xed86, 0x03e2,
+  0xed87, 0x1f00,
+  0xed88, 0x03e4,
+  0xed8e, 0x1f01,
+  0xed8f, 0x03eb,
+  0xed95, 0x1f02,
+  0xed9f, 0x03f3,
+  0xedbf, 0x040b,
+  0xee40, 0x1d83,
+  0xee5f, 0x1f04,
+  0xee6f, 0x1db1,
+  0xee80, 0x1f14,
+  0xee82, 0x1dba,
+  0xee90, 0x02fa,
+  0xee91, 0x02f9,
+  0xee92, 0x0301,
+  0xee93, 0x1dc8,
+  0xee9a, 0x0300,
+  0xee9b, 0x1dcf,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1283pvRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0061, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0098, 0x00e4, 0x007c },
+  japan1283pvRKSJHMap2, 218
+};
+
+static Gushort japan1290msRKSJHMap2[340] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x8761, 0x1f66,
+  0x8762, 0x1da4,
+  0x8763, 0x1f68,
+  0x8764, 0x1da6,
+  0x8765, 0x1f6a,
+  0x8766, 0x1da8,
+  0x8768, 0x1f6c,
+  0x8769, 0x1dab,
+  0x876b, 0x1f6b,
+  0x876c, 0x1dae,
+  0x876e, 0x1f6f,
+  0x876f, 0x1db1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8784, 0x1f77,
+  0x8785, 0x1dbd,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xfa40, 0x1f9c,
+  0xfa4a, 0x1d97,
+  0xfa54, 0x02ef,
+  0xfa55, 0x1f45,
+  0xfa58, 0x1dc2,
+  0xfa59, 0x1dba,
+  0xfa5a, 0x1f77,
+  0xfa5b, 0x0300,
+  0xfa5c, 0x20a7,
+  0xfa80, 0x20ca,
+  0xfad0, 0x07c9,
+  0xfad1, 0x211a,
+  0xfb40, 0x2146,
+  0xfb80, 0x2185,
+  0xfc40, 0x2202,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1290msRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0277, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1290msRKSJHMap2, 170
+};
+
+static Gushort japan1290msRKSJVMap2[496] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x8761, 0x1f66,
+  0x8762, 0x1da4,
+  0x8763, 0x1f68,
+  0x8764, 0x1da6,
+  0x8765, 0x1f6a,
+  0x8766, 0x1da8,
+  0x8768, 0x1f6c,
+  0x8769, 0x1dab,
+  0x876b, 0x1f6b,
+  0x876c, 0x1dae,
+  0x876e, 0x1f6f,
+  0x876f, 0x1db1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8784, 0x1f77,
+  0x8785, 0x1dbd,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xfa40, 0x1f9c,
+  0xfa4a, 0x1d97,
+  0xfa54, 0x02ef,
+  0xfa55, 0x1f45,
+  0xfa58, 0x1dc2,
+  0xfa59, 0x1dba,
+  0xfa5a, 0x1f77,
+  0xfa5b, 0x0300,
+  0xfa5c, 0x20a7,
+  0xfa80, 0x20ca,
+  0xfad0, 0x07c9,
+  0xfad1, 0x211a,
+  0xfb40, 0x2146,
+  0xfb80, 0x2185,
+  0xfc40, 0x2202,
+  0x8141, 0x1ecf,
+  0x8143, 0x204c,
+  0x8144, 0x2052,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8169, 0x1edb,
+  0x8181, 0x1eed,
+  0x81a8, 0x02e3,
+  0x81a9, 0x02e2,
+  0x81aa, 0x02e0,
+  0x81ac, 0x204e,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0x849f, 0x1d39,
+  0x84a0, 0x1d37,
+  0x84a1, 0x1d47,
+  0x84a2, 0x1d4f,
+  0x84a3, 0x1d4b,
+  0x84a4, 0x1d43,
+  0x84a5, 0x1d63,
+  0x84a6, 0x1d5b,
+  0x84a7, 0x1d6b,
+  0x84a8, 0x1d53,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d3a,
+  0x84ab, 0x1d38,
+  0x84ac, 0x1d4a,
+  0x84ad, 0x1d52,
+  0x84ae, 0x1d4e,
+  0x84af, 0x1d46,
+  0x84b0, 0x1d6a,
+  0x84b1, 0x1d62,
+  0x84b2, 0x1d72,
+  0x84b3, 0x1d5a,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d66,
+  0x84b6, 0x1d5f,
+  0x84b7, 0x1d6e,
+  0x84b8, 0x1d57,
+  0x84b9, 0x1d79,
+  0x84ba, 0x1d67,
+  0x84bb, 0x1d5c,
+  0x84bc, 0x1d6f,
+  0x84bd, 0x1d54,
+  0x84be, 0x1d76,
+  0x875f, 0x1f04,
+  0x8761, 0x2089,
+  0x8762, 0x1f07,
+  0x8763, 0x2093,
+  0x8764, 0x1f09,
+  0x8765, 0x2092,
+  0x8766, 0x1f0b,
+  0x8768, 0x2098,
+  0x8769, 0x1f0e,
+  0x876b, 0x209c,
+  0x876c, 0x1f11,
+  0x876e, 0x209d,
+  0x8780, 0x1f14,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1290msRKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0277, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1290msRKSJVMap2, 248
+};
+
+static Gushort japan1290mspRKSJHMap2[340] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x8761, 0x1f66,
+  0x8762, 0x1da4,
+  0x8763, 0x1f68,
+  0x8764, 0x1da6,
+  0x8765, 0x1f6a,
+  0x8766, 0x1da8,
+  0x8768, 0x1f6c,
+  0x8769, 0x1dab,
+  0x876b, 0x1f6b,
+  0x876c, 0x1dae,
+  0x876e, 0x1f6f,
+  0x876f, 0x1db1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8784, 0x1f77,
+  0x8785, 0x1dbd,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xfa40, 0x1f9c,
+  0xfa4a, 0x1d97,
+  0xfa54, 0x02ef,
+  0xfa55, 0x1f45,
+  0xfa58, 0x1dc2,
+  0xfa59, 0x1dba,
+  0xfa5a, 0x1f77,
+  0xfa5b, 0x0300,
+  0xfa5c, 0x20a7,
+  0xfa80, 0x20ca,
+  0xfad0, 0x07c9,
+  0xfad1, 0x211a,
+  0xfb40, 0x2146,
+  0xfb80, 0x2185,
+  0xfc40, 0x2202,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1290mspRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1290mspRKSJHMap2, 170
+};
+
+static Gushort japan1290mspRKSJVMap2[496] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x8761, 0x1f66,
+  0x8762, 0x1da4,
+  0x8763, 0x1f68,
+  0x8764, 0x1da6,
+  0x8765, 0x1f6a,
+  0x8766, 0x1da8,
+  0x8768, 0x1f6c,
+  0x8769, 0x1dab,
+  0x876b, 0x1f6b,
+  0x876c, 0x1dae,
+  0x876e, 0x1f6f,
+  0x876f, 0x1db1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8784, 0x1f77,
+  0x8785, 0x1dbd,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xfa40, 0x1f9c,
+  0xfa4a, 0x1d97,
+  0xfa54, 0x02ef,
+  0xfa55, 0x1f45,
+  0xfa58, 0x1dc2,
+  0xfa59, 0x1dba,
+  0xfa5a, 0x1f77,
+  0xfa5b, 0x0300,
+  0xfa5c, 0x20a7,
+  0xfa80, 0x20ca,
+  0xfad0, 0x07c9,
+  0xfad1, 0x211a,
+  0xfb40, 0x2146,
+  0xfb80, 0x2185,
+  0xfc40, 0x2202,
+  0x8141, 0x1ecf,
+  0x8143, 0x204c,
+  0x8144, 0x2052,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8169, 0x1edb,
+  0x8181, 0x1eed,
+  0x81a8, 0x02e3,
+  0x81a9, 0x02e2,
+  0x81aa, 0x02e0,
+  0x81ac, 0x204e,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0x849f, 0x1d39,
+  0x84a0, 0x1d37,
+  0x84a1, 0x1d47,
+  0x84a2, 0x1d4f,
+  0x84a3, 0x1d4b,
+  0x84a4, 0x1d43,
+  0x84a5, 0x1d63,
+  0x84a6, 0x1d5b,
+  0x84a7, 0x1d6b,
+  0x84a8, 0x1d53,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d3a,
+  0x84ab, 0x1d38,
+  0x84ac, 0x1d4a,
+  0x84ad, 0x1d52,
+  0x84ae, 0x1d4e,
+  0x84af, 0x1d46,
+  0x84b0, 0x1d6a,
+  0x84b1, 0x1d62,
+  0x84b2, 0x1d72,
+  0x84b3, 0x1d5a,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d66,
+  0x84b6, 0x1d5f,
+  0x84b7, 0x1d6e,
+  0x84b8, 0x1d57,
+  0x84b9, 0x1d79,
+  0x84ba, 0x1d67,
+  0x84bb, 0x1d5c,
+  0x84bc, 0x1d6f,
+  0x84bd, 0x1d54,
+  0x84be, 0x1d76,
+  0x875f, 0x1f04,
+  0x8761, 0x2089,
+  0x8762, 0x1f07,
+  0x8763, 0x2093,
+  0x8764, 0x1f09,
+  0x8765, 0x2092,
+  0x8766, 0x1f0b,
+  0x8768, 0x2098,
+  0x8769, 0x1f0e,
+  0x876b, 0x209c,
+  0x876c, 0x1f11,
+  0x876e, 0x209d,
+  0x8780, 0x1f14,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1290mspRKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan1290mspRKSJVMap2, 248
+};
+
+static Gushort japan1290pvRKSJHMap2[518] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8540, 0x1d83,
+  0x855e, 0x1f87,
+  0x857c, 0x205e,
+  0x8580, 0x2061,
+  0x8591, 0x1f7d,
+  0x859f, 0x1d97,
+  0x85a9, 0x2021,
+  0x85ab, 0x2067,
+  0x85b3, 0x1f9c,
+  0x85bd, 0x206a,
+  0x85db, 0x1fb0,
+  0x8640, 0x1db1,
+  0x8641, 0x1ffa,
+  0x8642, 0x1db2,
+  0x8643, 0x1f54,
+  0x8644, 0x1f56,
+  0x8645, 0x206f,
+  0x8646, 0x1db7,
+  0x8647, 0x1f57,
+  0x8648, 0x1db3,
+  0x8649, 0x1f55,
+  0x864a, 0x1db4,
+  0x864b, 0x2070,
+  0x864c, 0x1db5,
+  0x864e, 0x1f65,
+  0x864f, 0x1f58,
+  0x8656, 0x2071,
+  0x8657, 0x1f64,
+  0x8658, 0x1f62,
+  0x865a, 0x1f5f,
+  0x865d, 0x2072,
+  0x869b, 0x1dba,
+  0x869e, 0x2073,
+  0x869f, 0x1f52,
+  0x86a0, 0x1f50,
+  0x86a2, 0x1f53,
+  0x86a3, 0x2013,
+  0x86a4, 0x2015,
+  0x86a5, 0x2014,
+  0x86a6, 0x2016,
+  0x86b3, 0x1f7a,
+  0x86b4, 0x1f78,
+  0x86b5, 0x2074,
+  0x86c7, 0x201b,
+  0x86cb, 0x2075,
+  0x86cf, 0x1f4e,
+  0x86d0, 0x1f4d,
+  0x86d1, 0x1f4c,
+  0x86d2, 0x1f4b,
+  0x86d3, 0x200e,
+  0x8740, 0x2005,
+  0x8747, 0x1fd6,
+  0x8748, 0x200c,
+  0x8749, 0x1fd1,
+  0x874a, 0x1fca,
+  0x874b, 0x1dc4,
+  0x874c, 0x1fd7,
+  0x874d, 0x1dc2,
+  0x874e, 0x1fd2,
+  0x874f, 0x1fcd,
+  0x8750, 0x1dc3,
+  0x8751, 0x1fd5,
+  0x8752, 0x1fd3,
+  0x8753, 0x1fcf,
+  0x8754, 0x1fd4,
+  0x8755, 0x1fd0,
+  0x8756, 0x1fcb,
+  0x8758, 0x1fce,
+  0x8791, 0x207d,
+  0x8793, 0x1dbd,
+  0x8798, 0x1fda,
+  0x8799, 0x1fe5,
+  0x879a, 0x207f,
+  0x879b, 0x1fde,
+  0x879c, 0x1fff,
+  0x879d, 0x2080,
+  0x879e, 0x201f,
+  0x879f, 0x1da1,
+  0x87a0, 0x1f66,
+  0x87a1, 0x1da4,
+  0x87a2, 0x1da2,
+  0x87a3, 0x1f67,
+  0x87a4, 0x1ff7,
+  0x87a5, 0x2087,
+  0x87a7, 0x1f6a,
+  0x87a8, 0x1da8,
+  0x87a9, 0x1f68,
+  0x87ab, 0x1da6,
+  0x87ac, 0x1da9,
+  0x87ad, 0x1daf,
+  0x87ae, 0x1f6e,
+  0x87af, 0x1f6c,
+  0x87b0, 0x1dab,
+  0x87b1, 0x1f6d,
+  0x87b2, 0x1f6b,
+  0x87b3, 0x1dac,
+  0x87b4, 0x1f6f,
+  0x87b5, 0x1dae,
+  0x87bd, 0x1f70,
+  0x87be, 0x1f73,
+  0x87c0, 0x1f71,
+  0x87e5, 0x1dc5,
+  0x87e8, 0x2083,
+  0x87fa, 0x1f76,
+  0x87fb, 0x2081,
+  0x8840, 0x1dc8,
+  0x8841, 0x1dcd,
+  0x8854, 0x1db8,
+  0x8868, 0x1f16,
+  0x886a, 0x2079,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xeb41, 0x1ecf,
+  0xeb50, 0x1ed1,
+  0xeb5b, 0x1ed3,
+  0xeb60, 0x1ed6,
+  0xeb69, 0x1edb,
+  0xeb81, 0x1eed,
+  0xec9f, 0x1eee,
+  0xeca1, 0x1eef,
+  0xeca3, 0x1ef0,
+  0xeca5, 0x1ef1,
+  0xeca7, 0x1ef2,
+  0xecc1, 0x1ef3,
+  0xece1, 0x1ef4,
+  0xece3, 0x1ef5,
+  0xece5, 0x1ef6,
+  0xecec, 0x1ef7,
+  0xed40, 0x1ef8,
+  0xed42, 0x1ef9,
+  0xed44, 0x1efa,
+  0xed46, 0x1efb,
+  0xed48, 0x1efc,
+  0xed62, 0x1efd,
+  0xed83, 0x1efe,
+  0xed85, 0x1eff,
+  0xed87, 0x1f00,
+  0xed8e, 0x1f01,
+  0xed95, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1290pvRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0061, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0098, 0x00e4, 0x007c },
+  japan1290pvRKSJHMap2, 259
+};
+
+static Gushort japan1290pvRKSJVMap2[620] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x8540, 0x1d83,
+  0x855e, 0x1f87,
+  0x857c, 0x205e,
+  0x8580, 0x2061,
+  0x8591, 0x1f7d,
+  0x859f, 0x1d97,
+  0x85a9, 0x2021,
+  0x85ab, 0x2067,
+  0x85b3, 0x1f9c,
+  0x85bd, 0x206a,
+  0x85db, 0x1fb0,
+  0x8640, 0x1db1,
+  0x8641, 0x1ffa,
+  0x8642, 0x1db2,
+  0x8643, 0x1f54,
+  0x8644, 0x1f56,
+  0x8645, 0x206f,
+  0x8646, 0x1db7,
+  0x8647, 0x1f57,
+  0x8648, 0x1db3,
+  0x8649, 0x1f55,
+  0x864a, 0x1db4,
+  0x864b, 0x2070,
+  0x864c, 0x1db5,
+  0x864e, 0x1f65,
+  0x864f, 0x1f58,
+  0x8656, 0x2071,
+  0x8657, 0x1f64,
+  0x8658, 0x1f62,
+  0x865a, 0x1f5f,
+  0x865d, 0x2072,
+  0x869b, 0x1dba,
+  0x869e, 0x2073,
+  0x869f, 0x1f52,
+  0x86a0, 0x1f50,
+  0x86a2, 0x1f53,
+  0x86a3, 0x2013,
+  0x86a4, 0x2015,
+  0x86a5, 0x2014,
+  0x86a6, 0x2016,
+  0x86b3, 0x1f7a,
+  0x86b4, 0x1f78,
+  0x86b5, 0x2074,
+  0x86c7, 0x201b,
+  0x86cb, 0x2075,
+  0x86cf, 0x1f4e,
+  0x86d0, 0x1f4d,
+  0x86d1, 0x1f4c,
+  0x86d2, 0x1f4b,
+  0x86d3, 0x200e,
+  0x8740, 0x2005,
+  0x8747, 0x1fd6,
+  0x8748, 0x200c,
+  0x8749, 0x1fd1,
+  0x874a, 0x1fca,
+  0x874b, 0x1dc4,
+  0x874c, 0x1fd7,
+  0x874d, 0x1dc2,
+  0x874e, 0x1fd2,
+  0x874f, 0x1fcd,
+  0x8750, 0x1dc3,
+  0x8751, 0x1fd5,
+  0x8752, 0x1fd3,
+  0x8753, 0x1fcf,
+  0x8754, 0x1fd4,
+  0x8755, 0x1fd0,
+  0x8756, 0x1fcb,
+  0x8758, 0x1fce,
+  0x8791, 0x207d,
+  0x8793, 0x1dbd,
+  0x8798, 0x1fda,
+  0x8799, 0x1fe5,
+  0x879a, 0x207f,
+  0x879b, 0x1fde,
+  0x879c, 0x1fff,
+  0x879d, 0x2080,
+  0x879e, 0x201f,
+  0x879f, 0x1da1,
+  0x87a0, 0x1f66,
+  0x87a1, 0x1da4,
+  0x87a2, 0x1da2,
+  0x87a3, 0x1f67,
+  0x87a4, 0x1ff7,
+  0x87a5, 0x2087,
+  0x87a7, 0x1f6a,
+  0x87a8, 0x1da8,
+  0x87a9, 0x1f68,
+  0x87ab, 0x1da6,
+  0x87ac, 0x1da9,
+  0x87ad, 0x1daf,
+  0x87ae, 0x1f6e,
+  0x87af, 0x1f6c,
+  0x87b0, 0x1dab,
+  0x87b1, 0x1f6d,
+  0x87b2, 0x1f6b,
+  0x87b3, 0x1dac,
+  0x87b4, 0x1f6f,
+  0x87b5, 0x1dae,
+  0x87bd, 0x1f70,
+  0x87be, 0x1f73,
+  0x87c0, 0x1f71,
+  0x87e5, 0x1dc5,
+  0x87e8, 0x2083,
+  0x87fa, 0x1f76,
+  0x87fb, 0x2081,
+  0x8840, 0x1dc8,
+  0x8841, 0x1dcd,
+  0x8854, 0x1db8,
+  0x8868, 0x1f16,
+  0x886a, 0x2079,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xeb41, 0x1ecf,
+  0xeb50, 0x1ed1,
+  0xeb5b, 0x1ed3,
+  0xeb60, 0x1ed6,
+  0xeb69, 0x1edb,
+  0xeb81, 0x1eed,
+  0xec9f, 0x1eee,
+  0xeca1, 0x1eef,
+  0xeca3, 0x1ef0,
+  0xeca5, 0x1ef1,
+  0xeca7, 0x1ef2,
+  0xecc1, 0x1ef3,
+  0xece1, 0x1ef4,
+  0xece3, 0x1ef5,
+  0xece5, 0x1ef6,
+  0xecec, 0x1ef7,
+  0xed40, 0x1ef8,
+  0xed42, 0x1ef9,
+  0xed44, 0x1efa,
+  0xed46, 0x1efb,
+  0xed48, 0x1efc,
+  0xed62, 0x1efd,
+  0xed83, 0x1efe,
+  0xed85, 0x1eff,
+  0xed87, 0x1f00,
+  0xed8e, 0x1f01,
+  0xed95, 0x1f02,
+  0x8141, 0x1ecf,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8169, 0x1edb,
+  0x8181, 0x1eed,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0x879f, 0x1f04,
+  0x87a0, 0x2089,
+  0x87a1, 0x1f07,
+  0x87a2, 0x1f05,
+  0x87a3, 0x208a,
+  0x87a4, 0x208d,
+  0x87a6, 0x2091,
+  0x87a8, 0x1f0b,
+  0x87a9, 0x2093,
+  0x87ab, 0x1f09,
+  0x87ac, 0x1f0c,
+  0x87ad, 0x1f12,
+  0x87ae, 0x2097,
+  0x87b0, 0x1f0e,
+  0x87b1, 0x209b,
+  0x87b3, 0x1f0f,
+  0x87b4, 0x209d,
+  0x87b5, 0x1f11,
+  0x87bd, 0x209e,
+  0x87be, 0x20a1,
+  0x87bf, 0x20a4,
+  0x87c0, 0x20a6,
+  0x87c1, 0x20a5,
+  0x87fa, 0x2084,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan1290pvRKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
+    0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010,
+    0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018,
+    0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020,
+    0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+    0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+    0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+    0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+    0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+    0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+    0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0000,
+    0x0061, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0098, 0x00e4, 0x007c },
+  japan1290pvRKSJVMap2, 310
+};
+
+static Gushort japan12AddHMap2[1266] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2221, 0x02d7,
+  0x223a, 0x02e5,
+  0x224a, 0x02ed,
+  0x225c, 0x02f4,
+  0x2272, 0x0303,
+  0x227e, 0x030b,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2474, 0x1f16,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2821, 0x1d37,
+  0x2822, 0x1d39,
+  0x2823, 0x1d43,
+  0x2824, 0x1d47,
+  0x2825, 0x1d4f,
+  0x2826, 0x1d4b,
+  0x2827, 0x1d53,
+  0x2828, 0x1d63,
+  0x2829, 0x1d5b,
+  0x282a, 0x1d6b,
+  0x282b, 0x1d73,
+  0x282c, 0x1d38,
+  0x282d, 0x1d3a,
+  0x282e, 0x1d46,
+  0x282f, 0x1d4a,
+  0x2830, 0x1d52,
+  0x2831, 0x1d4e,
+  0x2832, 0x1d5a,
+  0x2833, 0x1d6a,
+  0x2834, 0x1d62,
+  0x2835, 0x1d72,
+  0x2836, 0x1d82,
+  0x2837, 0x1d57,
+  0x2838, 0x1d66,
+  0x2839, 0x1d5f,
+  0x283a, 0x1d6e,
+  0x283b, 0x1d76,
+  0x283c, 0x1d54,
+  0x283d, 0x1d67,
+  0x283e, 0x1d5c,
+  0x283f, 0x1d6f,
+  0x2840, 0x1d79,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3032, 0x1f19,
+  0x3033, 0x0477,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3071, 0x1f1a,
+  0x3072, 0x04b6,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3133, 0x1f1b,
+  0x3134, 0x04d6,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1f1c,
+  0x313a, 0x04dc,
+  0x313d, 0x1dda,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x0529,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x3267, 0x1f1d,
+  0x3268, 0x0568,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x05ff,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3562, 0x1f1e,
+  0x3563, 0x067d,
+  0x3568, 0x1f1f,
+  0x3569, 0x0683,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3642, 0x1f20,
+  0x3643, 0x06bb,
+  0x364f, 0x1dee,
+  0x3650, 0x06c8,
+  0x366d, 0x1def,
+  0x366e, 0x06e6,
+  0x3674, 0x1df0,
+  0x3675, 0x06ed,
+  0x367b, 0x1df1,
+  0x367c, 0x06f4,
+  0x367d, 0x1df2,
+  0x367e, 0x06f6,
+  0x3721, 0x06f7,
+  0x3737, 0x1df4,
+  0x3738, 0x070e,
+  0x3752, 0x1df7,
+  0x3753, 0x0729,
+  0x3771, 0x1dfa,
+  0x3772, 0x0748,
+  0x377d, 0x1f21,
+  0x377e, 0x1dfc,
+  0x3821, 0x0755,
+  0x3834, 0x1dfd,
+  0x3835, 0x0769,
+  0x3841, 0x1dfe,
+  0x3842, 0x0776,
+  0x3921, 0x07b3,
+  0x392b, 0x1dff,
+  0x392c, 0x07be,
+  0x396d, 0x1e02,
+  0x396e, 0x0800,
+  0x3974, 0x1e03,
+  0x3975, 0x0807,
+  0x3979, 0x1e04,
+  0x397a, 0x080c,
+  0x3a21, 0x0811,
+  0x3a53, 0x1e05,
+  0x3a54, 0x0844,
+  0x3a67, 0x1e06,
+  0x3a68, 0x0858,
+  0x3a74, 0x1e07,
+  0x3a75, 0x0865,
+  0x3b21, 0x086f,
+  0x3b27, 0x1e08,
+  0x3b28, 0x0876,
+  0x3b2a, 0x1e09,
+  0x3b2b, 0x0879,
+  0x3b2c, 0x1e0a,
+  0x3b2d, 0x087b,
+  0x3b39, 0x1e0b,
+  0x3b3a, 0x0888,
+  0x3b41, 0x1f22,
+  0x3b42, 0x0890,
+  0x3c21, 0x08cd,
+  0x3c48, 0x1e0d,
+  0x3c49, 0x08f5,
+  0x3c5d, 0x1e0f,
+  0x3c5f, 0x090b,
+  0x3d21, 0x092b,
+  0x3d2b, 0x1e11,
+  0x3d2c, 0x0936,
+  0x3d36, 0x1e12,
+  0x3d37, 0x0941,
+  0x3d6c, 0x1e13,
+  0x3d6d, 0x0977,
+  0x3d72, 0x1e15,
+  0x3d74, 0x097e,
+  0x3e21, 0x0989,
+  0x3e25, 0x1e17,
+  0x3e26, 0x098e,
+  0x3e33, 0x1e18,
+  0x3e34, 0x099c,
+  0x3e55, 0x1e1a,
+  0x3e56, 0x09be,
+  0x3e5f, 0x1e1b,
+  0x3e60, 0x09c8,
+  0x3e64, 0x1e1c,
+  0x3e65, 0x09cd,
+  0x3f21, 0x09e7,
+  0x3f2a, 0x1e1d,
+  0x3f2b, 0x09f1,
+  0x3f59, 0x1f23,
+  0x3f5a, 0x0a20,
+  0x3f60, 0x1e1f,
+  0x3f61, 0x0a27,
+  0x4021, 0x0a45,
+  0x4022, 0x1e21,
+  0x4023, 0x0a47,
+  0x4066, 0x1e23,
+  0x4067, 0x0a8b,
+  0x4071, 0x1e24,
+  0x4072, 0x0a96,
+  0x4079, 0x1e26,
+  0x407a, 0x1f24,
+  0x407b, 0x0a9f,
+  0x407c, 0x1f25,
+  0x407e, 0x0aa2,
+  0x4121, 0x0aa3,
+  0x4127, 0x1e28,
+  0x4128, 0x0aaa,
+  0x4139, 0x1e29,
+  0x413a, 0x0abc,
+  0x414c, 0x1e2a,
+  0x414d, 0x0acf,
+  0x414f, 0x1e2b,
+  0x4150, 0x0ad2,
+  0x415f, 0x1e2c,
+  0x4160, 0x0ae2,
+  0x4169, 0x1e2d,
+  0x416a, 0x0aec,
+  0x4221, 0x0b01,
+  0x4237, 0x1f27,
+  0x4238, 0x0b18,
+  0x423d, 0x1e2e,
+  0x423e, 0x0b1e,
+  0x424d, 0x1e2f,
+  0x424e, 0x0b2e,
+  0x425c, 0x1e30,
+  0x425d, 0x0b3d,
+  0x4263, 0x1e31,
+  0x4264, 0x0b44,
+  0x426f, 0x1e32,
+  0x4270, 0x0b50,
+  0x427d, 0x1e35,
+  0x427e, 0x0b5e,
+  0x4321, 0x0b5f,
+  0x4327, 0x1e36,
+  0x4328, 0x0b66,
+  0x4329, 0x1e37,
+  0x432a, 0x0b68,
+  0x432d, 0x1e39,
+  0x432f, 0x0b6d,
+  0x433d, 0x1e3b,
+  0x433e, 0x0b7c,
+  0x4370, 0x1e3c,
+  0x4371, 0x0baf,
+  0x4375, 0x1e3d,
+  0x4376, 0x0bb4,
+  0x437c, 0x1e3e,
+  0x437d, 0x0bbb,
+  0x4421, 0x0bbd,
+  0x443d, 0x1e3f,
+  0x443e, 0x0bda,
+  0x4448, 0x1e40,
+  0x4449, 0x0be5,
+  0x444a, 0x1e41,
+  0x444b, 0x0be7,
+  0x444f, 0x1e43,
+  0x4450, 0x0bec,
+  0x4521, 0x0c1b,
+  0x4522, 0x1e44,
+  0x4523, 0x0c1d,
+  0x4527, 0x1e45,
+  0x4528, 0x0c22,
+  0x452e, 0x1e46,
+  0x452f, 0x0c29,
+  0x4536, 0x1e47,
+  0x4537, 0x0c31,
+  0x453f, 0x1e48,
+  0x4540, 0x0c3a,
+  0x4548, 0x1e49,
+  0x4549, 0x0c43,
+  0x454b, 0x1e4a,
+  0x454c, 0x0c46,
+  0x4551, 0x1f28,
+  0x4552, 0x1e4c,
+  0x4553, 0x0c4d,
+  0x4564, 0x1e4d,
+  0x4565, 0x0c5f,
+  0x4578, 0x1e4e,
+  0x4579, 0x0c73,
+  0x4621, 0x0c79,
+  0x4642, 0x1e50,
+  0x4643, 0x0c9b,
+  0x4654, 0x1e51,
+  0x4655, 0x0cad,
+  0x465b, 0x1e53,
+  0x465c, 0x0cb4,
+  0x4666, 0x1e56,
+  0x4668, 0x0cc0,
+  0x466a, 0x1e58,
+  0x466b, 0x0cc3,
+  0x4676, 0x1ec0,
+  0x4677, 0x0ccf,
+  0x4721, 0x0cd7,
+  0x4729, 0x1e59,
+  0x472a, 0x1f29,
+  0x472b, 0x0ce1,
+  0x4739, 0x1e5a,
+  0x473a, 0x0cf0,
+  0x4757, 0x1e5b,
+  0x4758, 0x0d0e,
+  0x4767, 0x1e5c,
+  0x4768, 0x0d1e,
+  0x4769, 0x1e5d,
+  0x476a, 0x0d20,
+  0x476d, 0x1e5e,
+  0x476e, 0x0d24,
+  0x4821, 0x0d35,
+  0x4824, 0x1e5f,
+  0x4825, 0x0d39,
+  0x482e, 0x1e60,
+  0x482f, 0x0d43,
+  0x4830, 0x1e61,
+  0x4831, 0x0d45,
+  0x4840, 0x1f2a,
+  0x4841, 0x0d55,
+  0x4854, 0x1e62,
+  0x4855, 0x0d69,
+  0x4875, 0x1e64,
+  0x4876, 0x0d8a,
+  0x4921, 0x0d93,
+  0x4922, 0x1e65,
+  0x4924, 0x0d96,
+  0x492f, 0x1e67,
+  0x4930, 0x0da2,
+  0x4932, 0x1e68,
+  0x4933, 0x0da5,
+  0x4935, 0x1e69,
+  0x4936, 0x0da8,
+  0x4940, 0x1e6a,
+  0x4941, 0x0db3,
+  0x494e, 0x1e6b,
+  0x494f, 0x0dc1,
+  0x4a21, 0x0df1,
+  0x4a43, 0x1e6d,
+  0x4a44, 0x0e14,
+  0x4a4d, 0x1e6e,
+  0x4a4e, 0x0e1e,
+  0x4a53, 0x1f2b,
+  0x4a54, 0x0e24,
+  0x4a5a, 0x1e6f,
+  0x4a5b, 0x0e2b,
+  0x4a79, 0x1e70,
+  0x4a7a, 0x0e4a,
+  0x4b21, 0x0e4f,
+  0x4b29, 0x1e72,
+  0x4b2a, 0x0e58,
+  0x4b4b, 0x1e73,
+  0x4b4c, 0x0e7a,
+  0x4b70, 0x1e74,
+  0x4b71, 0x0e9f,
+  0x4b78, 0x1f2c,
+  0x4b79, 0x0ea7,
+  0x4c21, 0x0ead,
+  0x4c4d, 0x1e75,
+  0x4c4e, 0x0eda,
+  0x4c59, 0x1e76,
+  0x4c5a, 0x0ee6,
+  0x4c5f, 0x1e77,
+  0x4c60, 0x0eec,
+  0x4c62, 0x1e78,
+  0x4c63, 0x0eef,
+  0x4c7a, 0x1e79,
+  0x4c7b, 0x0f07,
+  0x4c7c, 0x1e7a,
+  0x4c7d, 0x0f09,
+  0x4d21, 0x0f0b,
+  0x4d32, 0x1e7c,
+  0x4d33, 0x0f1d,
+  0x4d50, 0x1e7d,
+  0x4d51, 0x0f3b,
+  0x4d54, 0x1e7e,
+  0x4d55, 0x0f3f,
+  0x4d69, 0x1e7f,
+  0x4d6a, 0x0f54,
+  0x4e21, 0x0f69,
+  0x4e7a, 0x1e81,
+  0x4e7c, 0x1f2d,
+  0x4e7d, 0x0fc5,
+  0x4f21, 0x1e83,
+  0x4f22, 0x0fc8,
+  0x4f31, 0x1e84,
+  0x4f32, 0x0fd8,
+  0x4f39, 0x1e85,
+  0x4f3a, 0x0fe0,
+  0x5021, 0x0ffa,
+  0x5121, 0x1058,
+  0x5122, 0x1f2e,
+  0x5123, 0x105a,
+  0x513d, 0x1e86,
+  0x513e, 0x1075,
+  0x514d, 0x1e89,
+  0x514e, 0x1085,
+  0x5221, 0x10b6,
+  0x5238, 0x1f2f,
+  0x5239, 0x10ce,
+  0x5321, 0x1114,
+  0x5330, 0x1e8a,
+  0x5331, 0x1124,
+  0x533a, 0x1e8b,
+  0x533b, 0x112e,
+  0x5348, 0x1f30,
+  0x5349, 0x113c,
+  0x535e, 0x1e8d,
+  0x535f, 0x1152,
+  0x536b, 0x1e8e,
+  0x536c, 0x1f31,
+  0x536d, 0x1160,
+  0x5421, 0x1172,
+  0x5444, 0x1e8f,
+  0x5445, 0x1f32,
+  0x5446, 0x1197,
+  0x546c, 0x1f33,
+  0x546d, 0x11be,
+  0x5521, 0x11d0,
+  0x553d, 0x1e90,
+  0x553e, 0x11ed,
+  0x5563, 0x1e91,
+  0x5564, 0x1213,
+  0x5578, 0x1f34,
+  0x5579, 0x1228,
+  0x5621, 0x122e,
+  0x5622, 0x1e92,
+  0x5623, 0x1230,
+  0x567d, 0x1f35,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5824, 0x1e94,
+  0x5825, 0x12ee,
+  0x5921, 0x1348,
+  0x5928, 0x1f37,
+  0x5929, 0x1350,
+  0x5960, 0x1e95,
+  0x5961, 0x1388,
+  0x596c, 0x1e96,
+  0x596d, 0x1394,
+  0x5a21, 0x13a6,
+  0x5a39, 0x1e97,
+  0x5a3a, 0x13bf,
+  0x5a7a, 0x1f38,
+  0x5a7b, 0x1400,
+  0x5b21, 0x1404,
+  0x5b45, 0x1e99,
+  0x5b46, 0x1429,
+  0x5b6b, 0x1e9b,
+  0x5b6c, 0x144f,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5d61, 0x1f39,
+  0x5d62, 0x1501,
+  0x5e21, 0x151e,
+  0x5e50, 0x1e9d,
+  0x5e51, 0x154e,
+  0x5e56, 0x1f3a,
+  0x5e57, 0x1554,
+  0x5e76, 0x1f3b,
+  0x5e77, 0x1574,
+  0x5f21, 0x157c,
+  0x5f73, 0x1e9e,
+  0x5f74, 0x15cf,
+  0x6021, 0x15da,
+  0x6026, 0x1e9f,
+  0x6027, 0x15e0,
+  0x605f, 0x1ea0,
+  0x6060, 0x1619,
+  0x6121, 0x1638,
+  0x612b, 0x1ea1,
+  0x612c, 0x1643,
+  0x6221, 0x1696,
+  0x626f, 0x1ea5,
+  0x6270, 0x16e5,
+  0x6321, 0x16f4,
+  0x634a, 0x1ea6,
+  0x634b, 0x171e,
+  0x6354, 0x1ea7,
+  0x6355, 0x1728,
+  0x6359, 0x1f3c,
+  0x635a, 0x172d,
+  0x6421, 0x1752,
+  0x6439, 0x1ea8,
+  0x643a, 0x176b,
+  0x6440, 0x1f3d,
+  0x6441, 0x1772,
+  0x6464, 0x1ea9,
+  0x6465, 0x1796,
+  0x646e, 0x1eaa,
+  0x646f, 0x17a0,
+  0x6521, 0x17b0,
+  0x6539, 0x1eab,
+  0x653a, 0x17c9,
+  0x653b, 0x1eac,
+  0x653c, 0x17cb,
+  0x6546, 0x1ead,
+  0x6547, 0x17d6,
+  0x6621, 0x180e,
+  0x6649, 0x1f3e,
+  0x664a, 0x1837,
+  0x6721, 0x186c,
+  0x6764, 0x1eaf,
+  0x6765, 0x18b0,
+  0x6769, 0x1eb0,
+  0x676a, 0x18b5,
+  0x6772, 0x1eb1,
+  0x6773, 0x18be,
+  0x6821, 0x18ca,
+  0x683b, 0x1eb3,
+  0x683c, 0x18e5,
+  0x684d, 0x1f3f,
+  0x684e, 0x18f7,
+  0x6921, 0x1928,
+  0x697e, 0x1f40,
+  0x6a21, 0x1986,
+  0x6a3c, 0x1f41,
+  0x6a3e, 0x19a3,
+  0x6a6f, 0x1eb8,
+  0x6a70, 0x19d5,
+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6c21, 0x1a42,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6f21, 0x1b5c,
+  0x7021, 0x1bba,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7121, 0x1c18,
+  0x7159, 0x1f43,
+  0x715a, 0x1c51,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1f44,
+  0x7353, 0x1d06,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0x7421, 0x1d32,
+  0x7425, 0x205c,
+  0x7721, 0x1f45,
+  0x7727, 0x1f48,
+  0x7728, 0x0300,
+  0x7729, 0x02fa,
+  0x772a, 0x02f9,
+  0x772e, 0x1f49,
+  0x773c, 0x1db1,
+  0x773f, 0x1f54,
+  0x7740, 0x1db7,
+  0x7741, 0x1f55,
+  0x7744, 0x1db4,
+  0x7747, 0x1f58,
+  0x7751, 0x0303,
+  0x7752, 0x1f62,
+  0x7753, 0x0304,
+  0x7754, 0x1f63,
+  0x7757, 0x1f65,
+  0x7759, 0x1da4,
+  0x775a, 0x1da1,
+  0x775b, 0x1f66,
+  0x775c, 0x1da2,
+  0x775d, 0x1f67,
+  0x7760, 0x1da6,
+  0x7761, 0x1f6a,
+  0x7762, 0x1da8,
+  0x7763, 0x1dac,
+  0x7764, 0x1f6b,
+  0x7765, 0x1dae,
+  0x7766, 0x1dab,
+  0x7767, 0x1f6c,
+  0x7769, 0x1daf,
+  0x776a, 0x1f6e,
+  0x7774, 0x1f75,
+  0x777a, 0x1dba,
+  0x777b, 0x1f7b,
+  0x777e, 0x1f7c,
+  0x7829, 0x1f7d,
+  0x7834, 0x1f87,
+  0x7849, 0x1d83,
+  0x785d, 0x1f9b,
+  0x785e, 0x1d97,
+  0x786b, 0x1f9c,
+  0x7921, 0x1fb0,
+  0x7945, 0x1f16,
+  0x7949, 0x1fca,
+  0x794b, 0x1dc4,
+  0x794c, 0x1fcc,
+  0x794f, 0x1dc3,
+  0x7950, 0x1fcf,
+  0x7955, 0x1dc2,
+  0x7956, 0x1fd4,
+  0x795d, 0x1fd8,
+  0x796f, 0x1fe6,
+  0x7d21, 0x1ecf,
+  0x7d23, 0x204c,
+  0x7d24, 0x2052,
+  0x7d25, 0x1ed1,
+  0x7d2f, 0x205a,
+  0x7d30, 0x2053,
+  0x7d31, 0x2058,
+  0x7d32, 0x2055,
+  0x7d33, 0x1edb,
+  0x7d45, 0x1eee,
+  0x7d5b, 0x2048,
+  0x7d6d, 0x02e0,
+  0x7d71, 0x1ff6,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AddHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AddHMap2, 633
+};
+
+static Gushort japan12AddRKSJHMap2[1270] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x82f2, 0x1f16,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88b0, 0x1f19,
+  0x88b1, 0x0477,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88ef, 0x1f1a,
+  0x88f0, 0x04b6,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8952, 0x1f1b,
+  0x8953, 0x04d6,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1f1c,
+  0x8959, 0x04dc,
+  0x895c, 0x1dda,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x0529,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89e5, 0x1f1d,
+  0x89e6, 0x0568,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a80, 0x05be,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x05ff,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8b82, 0x1f1e,
+  0x8b83, 0x067d,
+  0x8b88, 0x1f1f,
+  0x8b89, 0x0683,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc0, 0x1f20,
+  0x8bc1, 0x06bb,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c80, 0x0736,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c9d, 0x1f21,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e60, 0x1f22,
+  0x8e61, 0x0890,
+  0x8e80, 0x08ae,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x08f5,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8d, 0x0977,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1f23,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f0, 0x0a96,
+  0x90f7, 0x1e26,
+  0x90f8, 0x1f24,
+  0x90f9, 0x0a9f,
+  0x90fa, 0x1f25,
+  0x90fc, 0x0aa2,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x0aaa,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91b5, 0x1f27,
+  0x91b6, 0x0b18,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x9249, 0x0b68,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1f28,
+  0x9371, 0x1e4c,
+  0x9372, 0x0c4d,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d3, 0x0cad,
+  0x93d9, 0x1e53,
+  0x93da, 0x0cb4,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1ec0,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x1f29,
+  0x944a, 0x0ce1,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x0d1e,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94be, 0x1f2a,
+  0x94bf, 0x0d55,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x0da2,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d1, 0x1f2b,
+  0x95d2, 0x0e24,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9698, 0x1f2c,
+  0x9699, 0x0ea7,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97f8, 0x1e81,
+  0x97fa, 0x1f2d,
+  0x97fb, 0x0fc5,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9941, 0x1f2e,
+  0x9942, 0x105a,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x99b6, 0x1f2f,
+  0x99b7, 0x10ce,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a67, 0x1f30,
+  0x9a68, 0x113c,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x1f31,
+  0x9a8d, 0x1160,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1f32,
+  0x9ac4, 0x1197,
+  0x9aea, 0x1f33,
+  0x9aeb, 0x11be,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9b98, 0x1f34,
+  0x9b99, 0x1228,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9bfb, 0x1f35,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d47, 0x1f37,
+  0x9d48, 0x1350,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9df8, 0x1f38,
+  0x9df9, 0x1400,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9f81, 0x1f39,
+  0x9f82, 0x1501,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9fd4, 0x1f3a,
+  0x9fd5, 0x1554,
+  0x9ff4, 0x1f3b,
+  0x9ff5, 0x1574,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe093, 0x1e9e,
+  0xe094, 0x15cf,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe180, 0x1677,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe278, 0x1f3c,
+  0xe279, 0x172d,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2be, 0x1f3d,
+  0xe2bf, 0x1772,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c7, 0x1f3e,
+  0xe3c8, 0x1837,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4cb, 0x1f3f,
+  0xe4cc, 0x18f7,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe59e, 0x1f40,
+  0xe59f, 0x1986,
+  0xe5ba, 0x1f41,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe940, 0x1c18,
+  0xe978, 0x1f43,
+  0xe979, 0x1c51,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1f44,
+  0xea72, 0x1d06,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xeaa3, 0x205c,
+  0xec40, 0x1f45,
+  0xec46, 0x1f48,
+  0xec47, 0x0300,
+  0xec48, 0x02fa,
+  0xec49, 0x02f9,
+  0xec4d, 0x1f49,
+  0xec5b, 0x1db1,
+  0xec5e, 0x1f54,
+  0xec5f, 0x1db7,
+  0xec60, 0x1f55,
+  0xec63, 0x1db4,
+  0xec66, 0x1f58,
+  0xec70, 0x0303,
+  0xec71, 0x1f62,
+  0xec72, 0x0304,
+  0xec73, 0x1f63,
+  0xec76, 0x1f65,
+  0xec78, 0x1da4,
+  0xec79, 0x1da1,
+  0xec7a, 0x1f66,
+  0xec7b, 0x1da2,
+  0xec7c, 0x1f67,
+  0xec80, 0x1da6,
+  0xec81, 0x1f6a,
+  0xec82, 0x1da8,
+  0xec83, 0x1dac,
+  0xec84, 0x1f6b,
+  0xec85, 0x1dae,
+  0xec86, 0x1dab,
+  0xec87, 0x1f6c,
+  0xec89, 0x1daf,
+  0xec8a, 0x1f6e,
+  0xec94, 0x1f75,
+  0xec9a, 0x1dba,
+  0xec9b, 0x1f7b,
+  0xec9e, 0x1f7c,
+  0xeca7, 0x1f7d,
+  0xecb2, 0x1f87,
+  0xecc7, 0x1d83,
+  0xecdb, 0x1f9b,
+  0xecdc, 0x1d97,
+  0xece9, 0x1f9c,
+  0xed40, 0x1fb0,
+  0xed64, 0x1f16,
+  0xed68, 0x1fca,
+  0xed6a, 0x1dc4,
+  0xed6b, 0x1fcc,
+  0xed6e, 0x1dc3,
+  0xed6f, 0x1fcf,
+  0xed74, 0x1dc2,
+  0xed75, 0x1fd4,
+  0xed7c, 0x1fd8,
+  0xed80, 0x1fdb,
+  0xed8f, 0x1fe6,
+  0xef40, 0x1ecf,
+  0xef42, 0x204c,
+  0xef43, 0x2052,
+  0xef44, 0x1ed1,
+  0xef4e, 0x205a,
+  0xef4f, 0x2053,
+  0xef50, 0x2058,
+  0xef51, 0x2055,
+  0xef52, 0x1edb,
+  0xef64, 0x1eee,
+  0xef7a, 0x2048,
+  0xef8d, 0x02e0,
+  0xef91, 0x1ff6,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AddRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AddRKSJHMap2, 635
+};
+
+static Gushort japan12AddRKSJVMap2[1384] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x82f2, 0x1f16,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88b0, 0x1f19,
+  0x88b1, 0x0477,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88ef, 0x1f1a,
+  0x88f0, 0x04b6,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8952, 0x1f1b,
+  0x8953, 0x04d6,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1f1c,
+  0x8959, 0x04dc,
+  0x895c, 0x1dda,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x0529,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89e5, 0x1f1d,
+  0x89e6, 0x0568,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a80, 0x05be,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x05ff,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8b82, 0x1f1e,
+  0x8b83, 0x067d,
+  0x8b88, 0x1f1f,
+  0x8b89, 0x0683,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc0, 0x1f20,
+  0x8bc1, 0x06bb,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c80, 0x0736,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c9d, 0x1f21,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e60, 0x1f22,
+  0x8e61, 0x0890,
+  0x8e80, 0x08ae,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x08f5,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8d, 0x0977,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1f23,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f0, 0x0a96,
+  0x90f7, 0x1e26,
+  0x90f8, 0x1f24,
+  0x90f9, 0x0a9f,
+  0x90fa, 0x1f25,
+  0x90fc, 0x0aa2,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x0aaa,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91b5, 0x1f27,
+  0x91b6, 0x0b18,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x9249, 0x0b68,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1f28,
+  0x9371, 0x1e4c,
+  0x9372, 0x0c4d,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d3, 0x0cad,
+  0x93d9, 0x1e53,
+  0x93da, 0x0cb4,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1ec0,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x1f29,
+  0x944a, 0x0ce1,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x0d1e,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94be, 0x1f2a,
+  0x94bf, 0x0d55,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x0da2,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d1, 0x1f2b,
+  0x95d2, 0x0e24,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9698, 0x1f2c,
+  0x9699, 0x0ea7,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97f8, 0x1e81,
+  0x97fa, 0x1f2d,
+  0x97fb, 0x0fc5,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9941, 0x1f2e,
+  0x9942, 0x105a,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x99b6, 0x1f2f,
+  0x99b7, 0x10ce,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a67, 0x1f30,
+  0x9a68, 0x113c,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x1f31,
+  0x9a8d, 0x1160,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1f32,
+  0x9ac4, 0x1197,
+  0x9aea, 0x1f33,
+  0x9aeb, 0x11be,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9b98, 0x1f34,
+  0x9b99, 0x1228,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9bfb, 0x1f35,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d47, 0x1f37,
+  0x9d48, 0x1350,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9df8, 0x1f38,
+  0x9df9, 0x1400,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9f81, 0x1f39,
+  0x9f82, 0x1501,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9fd4, 0x1f3a,
+  0x9fd5, 0x1554,
+  0x9ff4, 0x1f3b,
+  0x9ff5, 0x1574,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe093, 0x1e9e,
+  0xe094, 0x15cf,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe180, 0x1677,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe278, 0x1f3c,
+  0xe279, 0x172d,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2be, 0x1f3d,
+  0xe2bf, 0x1772,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c7, 0x1f3e,
+  0xe3c8, 0x1837,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4cb, 0x1f3f,
+  0xe4cc, 0x18f7,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe59e, 0x1f40,
+  0xe59f, 0x1986,
+  0xe5ba, 0x1f41,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe940, 0x1c18,
+  0xe978, 0x1f43,
+  0xe979, 0x1c51,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1f44,
+  0xea72, 0x1d06,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xeaa3, 0x205c,
+  0xec40, 0x1f45,
+  0xec46, 0x1f48,
+  0xec47, 0x0300,
+  0xec48, 0x02fa,
+  0xec49, 0x02f9,
+  0xec4d, 0x1f49,
+  0xec5b, 0x1db1,
+  0xec5e, 0x1f54,
+  0xec5f, 0x1db7,
+  0xec60, 0x1f55,
+  0xec63, 0x1db4,
+  0xec66, 0x1f58,
+  0xec70, 0x0303,
+  0xec71, 0x1f62,
+  0xec72, 0x0304,
+  0xec73, 0x1f63,
+  0xec76, 0x1f65,
+  0xec78, 0x1da4,
+  0xec79, 0x1da1,
+  0xec7a, 0x1f66,
+  0xec7b, 0x1da2,
+  0xec7c, 0x1f67,
+  0xec80, 0x1da6,
+  0xec81, 0x1f6a,
+  0xec82, 0x1da8,
+  0xec83, 0x1dac,
+  0xec84, 0x1f6b,
+  0xec85, 0x1dae,
+  0xec86, 0x1dab,
+  0xec87, 0x1f6c,
+  0xec89, 0x1daf,
+  0xec8a, 0x1f6e,
+  0xec94, 0x1f75,
+  0xec9a, 0x1dba,
+  0xec9b, 0x1f7b,
+  0xec9e, 0x1f7c,
+  0xeca7, 0x1f7d,
+  0xecb2, 0x1f87,
+  0xecc7, 0x1d83,
+  0xecdb, 0x1f9b,
+  0xecdc, 0x1d97,
+  0xece9, 0x1f9c,
+  0xed40, 0x1fb0,
+  0xed64, 0x1f16,
+  0xed68, 0x1fca,
+  0xed6a, 0x1dc4,
+  0xed6b, 0x1fcc,
+  0xed6e, 0x1dc3,
+  0xed6f, 0x1fcf,
+  0xed74, 0x1dc2,
+  0xed75, 0x1fd4,
+  0xed7c, 0x1fd8,
+  0xed80, 0x1fdb,
+  0xed8f, 0x1fe6,
+  0xef40, 0x1ecf,
+  0xef42, 0x204c,
+  0xef43, 0x2052,
+  0xef44, 0x1ed1,
+  0xef4e, 0x205a,
+  0xef4f, 0x2053,
+  0xef50, 0x2058,
+  0xef51, 0x2055,
+  0xef52, 0x1edb,
+  0xef64, 0x1eee,
+  0xef7a, 0x2048,
+  0xef8d, 0x02e0,
+  0xef91, 0x1ff6,
+  0x8141, 0x1ecf,
+  0x8143, 0x204c,
+  0x8144, 0x2052,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8165, 0x205a,
+  0x8166, 0x2053,
+  0x8167, 0x2058,
+  0x8168, 0x2055,
+  0x8169, 0x1edb,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x82f3, 0x2048,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0xec78, 0x1f07,
+  0xec79, 0x1f04,
+  0xec7a, 0x2089,
+  0xec7b, 0x1f05,
+  0xec7c, 0x208a,
+  0xec7d, 0x2093,
+  0xec80, 0x1f09,
+  0xec81, 0x2092,
+  0xec82, 0x1f0b,
+  0xec83, 0x1f0f,
+  0xec84, 0x209c,
+  0xec85, 0x1f11,
+  0xec86, 0x1f0e,
+  0xec87, 0x2098,
+  0xec88, 0x209b,
+  0xec89, 0x1f12,
+  0xec8a, 0x2097,
+  0xec8b, 0x209d,
+  0xec8d, 0x20a6,
+  0xec8e, 0x20a5,
+  0xec8f, 0x20a1,
+  0xec90, 0x20a4,
+  0xec95, 0x2084,
+  0xef92, 0x208d,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AddRKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AddRKSJVMap2, 692
+};
+
+static Gushort japan12AddVMap2[1380] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2221, 0x02d7,
+  0x223a, 0x02e5,
+  0x224a, 0x02ed,
+  0x225c, 0x02f4,
+  0x2272, 0x0303,
+  0x227e, 0x030b,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2474, 0x1f16,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2821, 0x1d37,
+  0x2822, 0x1d39,
+  0x2823, 0x1d43,
+  0x2824, 0x1d47,
+  0x2825, 0x1d4f,
+  0x2826, 0x1d4b,
+  0x2827, 0x1d53,
+  0x2828, 0x1d63,
+  0x2829, 0x1d5b,
+  0x282a, 0x1d6b,
+  0x282b, 0x1d73,
+  0x282c, 0x1d38,
+  0x282d, 0x1d3a,
+  0x282e, 0x1d46,
+  0x282f, 0x1d4a,
+  0x2830, 0x1d52,
+  0x2831, 0x1d4e,
+  0x2832, 0x1d5a,
+  0x2833, 0x1d6a,
+  0x2834, 0x1d62,
+  0x2835, 0x1d72,
+  0x2836, 0x1d82,
+  0x2837, 0x1d57,
+  0x2838, 0x1d66,
+  0x2839, 0x1d5f,
+  0x283a, 0x1d6e,
+  0x283b, 0x1d76,
+  0x283c, 0x1d54,
+  0x283d, 0x1d67,
+  0x283e, 0x1d5c,
+  0x283f, 0x1d6f,
+  0x2840, 0x1d79,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3032, 0x1f19,
+  0x3033, 0x0477,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3071, 0x1f1a,
+  0x3072, 0x04b6,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3133, 0x1f1b,
+  0x3134, 0x04d6,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1f1c,
+  0x313a, 0x04dc,
+  0x313d, 0x1dda,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x0529,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x3267, 0x1f1d,
+  0x3268, 0x0568,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x05ff,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3562, 0x1f1e,
+  0x3563, 0x067d,
+  0x3568, 0x1f1f,
+  0x3569, 0x0683,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3642, 0x1f20,
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+  0x2465, 0x1ef5,
+  0x2467, 0x1ef6,
+  0x246e, 0x1ef7,
+  0x2475, 0x2048,
+  0x2521, 0x1ef8,
+  0x2523, 0x1ef9,
+  0x2525, 0x1efa,
+  0x2527, 0x1efb,
+  0x2529, 0x1efc,
+  0x2543, 0x1efd,
+  0x2563, 0x1efe,
+  0x2565, 0x1eff,
+  0x2567, 0x1f00,
+  0x256e, 0x1f01,
+  0x2575, 0x1f02,
+  0x7759, 0x1f07,
+  0x775a, 0x1f04,
+  0x775b, 0x2089,
+  0x775c, 0x1f05,
+  0x775d, 0x208a,
+  0x775e, 0x2093,
+  0x7760, 0x1f09,
+  0x7761, 0x2092,
+  0x7762, 0x1f0b,
+  0x7763, 0x1f0f,
+  0x7764, 0x209c,
+  0x7765, 0x1f11,
+  0x7766, 0x1f0e,
+  0x7767, 0x2098,
+  0x7768, 0x209b,
+  0x7769, 0x1f12,
+  0x776a, 0x2097,
+  0x776b, 0x209d,
+  0x776d, 0x20a6,
+  0x776e, 0x20a5,
+  0x776f, 0x20a1,
+  0x7770, 0x20a4,
+  0x7775, 0x2084,
+  0x7d72, 0x208d,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AddVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AddVMap2, 690
+};
+
+static Gushort japan12AdobeJapan10Map2[70] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AdobeJapan10Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AdobeJapan10Map2, 35
+};
+
+static Gushort japan12AdobeJapan11Map2[70] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AdobeJapan11Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AdobeJapan11Map2, 35
+};
+
+static Gushort japan12AdobeJapan12Map2[74] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AdobeJapan12Enc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AdobeJapan12Map2, 37
+};
+
+static Gushort japan12EUCHMap2[242] = {
+  0x0000, 0x0000,
+  0x8ea0, 0x0146,
+  0xa1a1, 0x0279,
+  0xa2a1, 0x02d7,
+  0xa2ba, 0x02e5,
+  0xa2ca, 0x02ed,
+  0xa2dc, 0x02f4,
+  0xa2f2, 0x0303,
+  0xa2fe, 0x030b,
+  0xa3b0, 0x030c,
+  0xa3c1, 0x0316,
+  0xa3e1, 0x0330,
+  0xa4a1, 0x034a,
+  0xa5a1, 0x039d,
+  0xa6a1, 0x03f3,
+  0xa6c1, 0x040b,
+  0xa7a1, 0x0423,
+  0xa7d1, 0x0444,
+  0xa8a1, 0x1d37,
+  0xa8a2, 0x1d39,
+  0xa8a3, 0x1d43,
+  0xa8a4, 0x1d47,
+  0xa8a5, 0x1d4f,
+  0xa8a6, 0x1d4b,
+  0xa8a7, 0x1d53,
+  0xa8a8, 0x1d63,
+  0xa8a9, 0x1d5b,
+  0xa8aa, 0x1d6b,
+  0xa8ab, 0x1d73,
+  0xa8ac, 0x1d38,
+  0xa8ad, 0x1d3a,
+  0xa8ae, 0x1d46,
+  0xa8af, 0x1d4a,
+  0xa8b0, 0x1d52,
+  0xa8b1, 0x1d4e,
+  0xa8b2, 0x1d5a,
+  0xa8b3, 0x1d6a,
+  0xa8b4, 0x1d62,
+  0xa8b5, 0x1d72,
+  0xa8b6, 0x1d82,
+  0xa8b7, 0x1d57,
+  0xa8b8, 0x1d66,
+  0xa8b9, 0x1d5f,
+  0xa8ba, 0x1d6e,
+  0xa8bb, 0x1d76,
+  0xa8bc, 0x1d54,
+  0xa8bd, 0x1d67,
+  0xa8be, 0x1d5c,
+  0xa8bf, 0x1d6f,
+  0xa8c0, 0x1d79,
+  0xb0a1, 0x0465,
+  0xb1a1, 0x04c3,
+  0xb2a1, 0x0521,
+  0xb3a1, 0x057f,
+  0xb4a1, 0x05dd,
+  0xb5a1, 0x063b,
+  0xb6a1, 0x0699,
+  0xb7a1, 0x06f7,
+  0xb8a1, 0x0755,
+  0xb9a1, 0x07b3,
+  0xbaa1, 0x0811,
+  0xbba1, 0x086f,
+  0xbca1, 0x08cd,
+  0xbda1, 0x092b,
+  0xbea1, 0x0989,
+  0xbfa1, 0x09e7,
+  0xc0a1, 0x0a45,
+  0xc1a1, 0x0aa3,
+  0xc2a1, 0x0b01,
+  0xc3a1, 0x0b5f,
+  0xc4a1, 0x0bbd,
+  0xc5a1, 0x0c1b,
+  0xc6a1, 0x0c79,
+  0xc7a1, 0x0cd7,
+  0xc8a1, 0x0d35,
+  0xc9a1, 0x0d93,
+  0xcaa1, 0x0df1,
+  0xcba1, 0x0e4f,
+  0xcca1, 0x0ead,
+  0xcda1, 0x0f0b,
+  0xcea1, 0x0f69,
+  0xcfa1, 0x0fc7,
+  0xd0a1, 0x0ffa,
+  0xd1a1, 0x1058,
+  0xd2a1, 0x10b6,
+  0xd3a1, 0x1114,
+  0xd4a1, 0x1172,
+  0xd5a1, 0x11d0,
+  0xd6a1, 0x122e,
+  0xd7a1, 0x128c,
+  0xd8a1, 0x12ea,
+  0xd9a1, 0x1348,
+  0xdaa1, 0x13a6,
+  0xdba1, 0x1404,
+  0xdca1, 0x1462,
+  0xdda1, 0x14c0,
+  0xdea1, 0x151e,
+  0xdfa1, 0x157c,
+  0xe0a1, 0x15da,
+  0xe1a1, 0x1638,
+  0xe2a1, 0x1696,
+  0xe3a1, 0x16f4,
+  0xe4a1, 0x1752,
+  0xe5a1, 0x17b0,
+  0xe6a1, 0x180e,
+  0xe7a1, 0x186c,
+  0xe8a1, 0x18ca,
+  0xe9a1, 0x1928,
+  0xeaa1, 0x1986,
+  0xeba1, 0x19e4,
+  0xeca1, 0x1a42,
+  0xeda1, 0x1aa0,
+  0xeea1, 0x1afe,
+  0xefa1, 0x1b5c,
+  0xf0a1, 0x1bba,
+  0xf1a1, 0x1c18,
+  0xf2a1, 0x1c76,
+  0xf3a1, 0x1cd4,
+  0xf4a1, 0x1d32,
+  0xf4a5, 0x205c,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12EUCHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12EUCHMap2, 121
+};
+
+static Gushort japan12EUCVMap2[296] = {
+  0x0000, 0x0000,
+  0x8ea0, 0x0146,
+  0xa1a1, 0x0279,
+  0xa2a1, 0x02d7,
+  0xa2ba, 0x02e5,
+  0xa2ca, 0x02ed,
+  0xa2dc, 0x02f4,
+  0xa2f2, 0x0303,
+  0xa2fe, 0x030b,
+  0xa3b0, 0x030c,
+  0xa3c1, 0x0316,
+  0xa3e1, 0x0330,
+  0xa4a1, 0x034a,
+  0xa5a1, 0x039d,
+  0xa6a1, 0x03f3,
+  0xa6c1, 0x040b,
+  0xa7a1, 0x0423,
+  0xa7d1, 0x0444,
+  0xa8a1, 0x1d37,
+  0xa8a2, 0x1d39,
+  0xa8a3, 0x1d43,
+  0xa8a4, 0x1d47,
+  0xa8a5, 0x1d4f,
+  0xa8a6, 0x1d4b,
+  0xa8a7, 0x1d53,
+  0xa8a8, 0x1d63,
+  0xa8a9, 0x1d5b,
+  0xa8aa, 0x1d6b,
+  0xa8ab, 0x1d73,
+  0xa8ac, 0x1d38,
+  0xa8ad, 0x1d3a,
+  0xa8ae, 0x1d46,
+  0xa8af, 0x1d4a,
+  0xa8b0, 0x1d52,
+  0xa8b1, 0x1d4e,
+  0xa8b2, 0x1d5a,
+  0xa8b3, 0x1d6a,
+  0xa8b4, 0x1d62,
+  0xa8b5, 0x1d72,
+  0xa8b6, 0x1d82,
+  0xa8b7, 0x1d57,
+  0xa8b8, 0x1d66,
+  0xa8b9, 0x1d5f,
+  0xa8ba, 0x1d6e,
+  0xa8bb, 0x1d76,
+  0xa8bc, 0x1d54,
+  0xa8bd, 0x1d67,
+  0xa8be, 0x1d5c,
+  0xa8bf, 0x1d6f,
+  0xa8c0, 0x1d79,
+  0xb0a1, 0x0465,
+  0xb1a1, 0x04c3,
+  0xb2a1, 0x0521,
+  0xb3a1, 0x057f,
+  0xb4a1, 0x05dd,
+  0xb5a1, 0x063b,
+  0xb6a1, 0x0699,
+  0xb7a1, 0x06f7,
+  0xb8a1, 0x0755,
+  0xb9a1, 0x07b3,
+  0xbaa1, 0x0811,
+  0xbba1, 0x086f,
+  0xbca1, 0x08cd,
+  0xbda1, 0x092b,
+  0xbea1, 0x0989,
+  0xbfa1, 0x09e7,
+  0xc0a1, 0x0a45,
+  0xc1a1, 0x0aa3,
+  0xc2a1, 0x0b01,
+  0xc3a1, 0x0b5f,
+  0xc4a1, 0x0bbd,
+  0xc5a1, 0x0c1b,
+  0xc6a1, 0x0c79,
+  0xc7a1, 0x0cd7,
+  0xc8a1, 0x0d35,
+  0xc9a1, 0x0d93,
+  0xcaa1, 0x0df1,
+  0xcba1, 0x0e4f,
+  0xcca1, 0x0ead,
+  0xcda1, 0x0f0b,
+  0xcea1, 0x0f69,
+  0xcfa1, 0x0fc7,
+  0xd0a1, 0x0ffa,
+  0xd1a1, 0x1058,
+  0xd2a1, 0x10b6,
+  0xd3a1, 0x1114,
+  0xd4a1, 0x1172,
+  0xd5a1, 0x11d0,
+  0xd6a1, 0x122e,
+  0xd7a1, 0x128c,
+  0xd8a1, 0x12ea,
+  0xd9a1, 0x1348,
+  0xdaa1, 0x13a6,
+  0xdba1, 0x1404,
+  0xdca1, 0x1462,
+  0xdda1, 0x14c0,
+  0xdea1, 0x151e,
+  0xdfa1, 0x157c,
+  0xe0a1, 0x15da,
+  0xe1a1, 0x1638,
+  0xe2a1, 0x1696,
+  0xe3a1, 0x16f4,
+  0xe4a1, 0x1752,
+  0xe5a1, 0x17b0,
+  0xe6a1, 0x180e,
+  0xe7a1, 0x186c,
+  0xe8a1, 0x18ca,
+  0xe9a1, 0x1928,
+  0xeaa1, 0x1986,
+  0xeba1, 0x19e4,
+  0xeca1, 0x1a42,
+  0xeda1, 0x1aa0,
+  0xeea1, 0x1afe,
+  0xefa1, 0x1b5c,
+  0xf0a1, 0x1bba,
+  0xf1a1, 0x1c18,
+  0xf2a1, 0x1c76,
+  0xf3a1, 0x1cd4,
+  0xf4a1, 0x1d32,
+  0xf4a5, 0x205c,
+  0xa1a2, 0x1ecf,
+  0xa1b1, 0x1ed1,
+  0xa1bc, 0x1ed3,
+  0xa1c1, 0x1ed6,
+  0xa1ca, 0x1edb,
+  0xa1e1, 0x1eed,
+  0xa4a1, 0x1eee,
+  0xa4a3, 0x1eef,
+  0xa4a5, 0x1ef0,
+  0xa4a7, 0x1ef1,
+  0xa4a9, 0x1ef2,
+  0xa4c3, 0x1ef3,
+  0xa4e3, 0x1ef4,
+  0xa4e5, 0x1ef5,
+  0xa4e7, 0x1ef6,
+  0xa4ee, 0x1ef7,
+  0xa5a1, 0x1ef8,
+  0xa5a3, 0x1ef9,
+  0xa5a5, 0x1efa,
+  0xa5a7, 0x1efb,
+  0xa5a9, 0x1efc,
+  0xa5c3, 0x1efd,
+  0xa5e3, 0x1efe,
+  0xa5e5, 0x1eff,
+  0xa5e7, 0x1f00,
+  0xa5ee, 0x1f01,
+  0xa5f5, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12EUCVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12EUCVMap2, 148
+};
+
+static Gushort japan12ExtHMap2[1326] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2169, 0x1d36,
+  0x216a, 0x02c2,
+  0x2221, 0x02d7,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2921, 0x00e8,
+  0x2960, 0x0186,
+  0x2961, 0x0128,
+  0x2a21, 0x0147,
+  0x2a60, 0x0187,
+  0x2b21, 0x01a6,
+  0x2b72, 0x0127,
+  0x2b73, 0x01f7,
+  0x2c24, 0x1d37,
+  0x2d21, 0x1d83,
+  0x2d40, 0x1da1,
+  0x2d5f, 0x2083,
+  0x2d60, 0x1db8,
+  0x2d70, 0x02fa,
+  0x2d71, 0x02f9,
+  0x2d72, 0x0301,
+  0x2d73, 0x1dc8,
+  0x2d7a, 0x0300,
+  0x2d7b, 0x1dcf,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3033, 0x1ca2,
+  0x3034, 0x0478,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1dd8,
+  0x313a, 0x04dc,
+  0x313c, 0x1dd9,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x1cc9,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x327d, 0x1de1,
+  0x327e, 0x057e,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x3342, 0x1961,
+  0x3343, 0x05a1,
+  0x3349, 0x139f,
+  0x334a, 0x05a8,
+  0x3365, 0x1de3,
+  0x3366, 0x05c4,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x3376, 0x1731,
+  0x3377, 0x05d5,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x1572,
+  0x3444, 0x0600,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3452, 0x1a20,
+  0x3453, 0x060f,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3646, 0x1d32,
+  0x3647, 0x06bf,
+  0x364f, 0x1dee,
+  0x3650, 0x06c8,
+  0x366d, 0x1def,
+  0x366e, 0x06e6,
+  0x3674, 0x1df0,
+  0x3675, 0x06ed,
+  0x367b, 0x1df1,
+  0x367c, 0x06f4,
+  0x367d, 0x1df2,
+  0x367e, 0x06f6,
+  0x3721, 0x06f7,
+  0x3724, 0x1df3,
+  0x3725, 0x06fb,
+  0x3737, 0x1df4,
+  0x3738, 0x070e,
+  0x3745, 0x1df5,
+  0x3746, 0x071c,
+  0x374e, 0x1df6,
+  0x374f, 0x0725,
+  0x3752, 0x1df7,
+  0x3753, 0x0729,
+  0x3755, 0x1df8,
+  0x3756, 0x072c,
+  0x375b, 0x1c0d,
+  0x375c, 0x0732,
+  0x3764, 0x1df9,
+  0x3765, 0x073b,
+  0x3771, 0x1dfa,
+  0x3772, 0x0748,
+  0x3779, 0x1dfb,
+  0x377a, 0x0750,
+  0x377e, 0x1dfc,
+  0x3821, 0x0755,
+  0x3834, 0x1dfd,
+  0x3835, 0x0769,
+  0x3841, 0x1dfe,
+  0x3842, 0x0776,
+  0x3921, 0x07b3,
+  0x392b, 0x1dff,
+  0x392c, 0x07be,
+  0x3937, 0x1e00,
+  0x3938, 0x07ca,
+  0x3942, 0x1e01,
+  0x3943, 0x07d5,
+  0x395c, 0x16dd,
+  0x395d, 0x07ef,
+  0x396d, 0x1e02,
+  0x396e, 0x0800,
+  0x3974, 0x1e03,
+  0x3975, 0x0807,
+  0x3979, 0x1e04,
+  0x397a, 0x080c,
+  0x3a21, 0x0811,
+  0x3a53, 0x1e05,
+  0x3a54, 0x0844,
+  0x3a67, 0x1e06,
+  0x3a68, 0x0858,
+  0x3a74, 0x1e07,
+  0x3a75, 0x0865,
+  0x3b21, 0x086f,
+  0x3b27, 0x1e08,
+  0x3b28, 0x0876,
+  0x3b2a, 0x1e09,
+  0x3b2b, 0x0879,
+  0x3b2c, 0x1e0a,
+  0x3b2d, 0x087b,
+  0x3b39, 0x1e0b,
+  0x3b3a, 0x0888,
+  0x3c21, 0x08cd,
+  0x3c38, 0x1e0c,
+  0x3c39, 0x08e5,
+  0x3c48, 0x1e0d,
+  0x3c49, 0x1929,
+  0x3c4a, 0x08f6,
+  0x3c57, 0x1e0e,
+  0x3c58, 0x0904,
+  0x3c5d, 0x1e0f,
+  0x3c5f, 0x090b,
+  0x3d21, 0x092b,
+  0x3d2b, 0x1e11,
+  0x3d2c, 0x0936,
+  0x3d36, 0x1e12,
+  0x3d37, 0x0941,
+  0x3d6c, 0x1e13,
+  0x3d6e, 0x0978,
+  0x3d72, 0x1e15,
+  0x3d74, 0x097e,
+  0x3e21, 0x0989,
+  0x3e25, 0x1e17,
+  0x3e26, 0x098e,
+  0x3e33, 0x1e18,
+  0x3e34, 0x099c,
+  0x3e3f, 0x1e19,
+  0x3e40, 0x09a8,
+  0x3e55, 0x1e1a,
+  0x3e56, 0x09be,
+  0x3e5f, 0x1e1b,
+  0x3e60, 0x09c8,
+  0x3e64, 0x1e1c,
+  0x3e65, 0x09cd,
+  0x3f21, 0x09e7,
+  0x3f2a, 0x1e1d,
+  0x3f2b, 0x09f1,
+  0x3f59, 0x1e1e,
+  0x3f5a, 0x0a20,
+  0x3f60, 0x1e1f,
+  0x3f61, 0x0a27,
+  0x3f69, 0x1e20,
+  0x3f6a, 0x0a30,
+  0x4021, 0x0a45,
+  0x4022, 0x1e21,
+  0x4023, 0x0a47,
+  0x4042, 0x1e22,
+  0x4043, 0x0a67,
+  0x4066, 0x1e23,
+  0x4067, 0x0a8b,
+  0x4071, 0x1e24,
+  0x4073, 0x0a97,
+  0x4079, 0x1e26,
+  0x407b, 0x0a9f,
+  0x4121, 0x0aa3,
+  0x4127, 0x1e28,
+  0x4128, 0x1a6e,
+  0x4129, 0x0aab,
+  0x4139, 0x1e29,
+  0x413a, 0x0abc,
+  0x414c, 0x1e2a,
+  0x414d, 0x0acf,
+  0x414f, 0x1e2b,
+  0x4150, 0x0ad2,
+  0x415f, 0x1e2c,
+  0x4160, 0x0ae2,
+  0x4169, 0x1e2d,
+  0x416a, 0x0aec,
+  0x4221, 0x0b01,
+  0x423d, 0x1e2e,
+  0x423e, 0x0b1e,
+  0x424d, 0x1e2f,
+  0x424e, 0x0b2e,
+  0x425c, 0x1e30,
+  0x425d, 0x0b3d,
+  0x4263, 0x1e31,
+  0x4264, 0x0b44,
+  0x426f, 0x1e32,
+  0x4270, 0x0b50,
+  0x4275, 0x1e33,
+  0x4277, 0x0b57,
+  0x427d, 0x1e35,
+  0x427e, 0x0b5e,
+  0x4321, 0x0b5f,
+  0x4327, 0x1e36,
+  0x4328, 0x0b66,
+  0x4329, 0x1e37,
+  0x432b, 0x0b69,
+  0x432d, 0x1e39,
+  0x432f, 0x0b6d,
+  0x433d, 0x1e3b,
+  0x433e, 0x0b7c,
+  0x4370, 0x1e3c,
+  0x4371, 0x0baf,
+  0x4375, 0x1e3d,
+  0x4376, 0x0bb4,
+  0x437c, 0x1e3e,
+  0x437d, 0x0bbb,
+  0x4421, 0x0bbd,
+  0x443d, 0x1e3f,
+  0x443e, 0x0bda,
+  0x4448, 0x1e40,
+  0x4449, 0x0be5,
+  0x444a, 0x1e41,
+  0x444b, 0x0be7,
+  0x444d, 0x1e42,
+  0x444e, 0x0bea,
+  0x444f, 0x1e43,
+  0x4450, 0x0bec,
+  0x445b, 0x11b5,
+  0x445c, 0x0bf8,
+  0x4521, 0x0c1b,
+  0x4522, 0x1e44,
+  0x4523, 0x0c1d,
+  0x4527, 0x1e45,
+  0x4528, 0x0c22,
+  0x452e, 0x1e46,
+  0x452f, 0x0c29,
+  0x4536, 0x1e47,
+  0x4537, 0x0c31,
+  0x453f, 0x1e48,
+  0x4540, 0x0c3a,
+  0x4548, 0x1e49,
+  0x4549, 0x0c43,
+  0x454b, 0x1e4a,
+  0x454c, 0x0c46,
+  0x4551, 0x1e4b,
+  0x4553, 0x0c4d,
+  0x4557, 0x16df,
+  0x4558, 0x0c52,
+  0x4564, 0x1e4d,
+  0x4565, 0x0c5f,
+  0x456e, 0x1450,
+  0x456f, 0x0c69,
+  0x4573, 0x1536,
+  0x4574, 0x0c6e,
+  0x4578, 0x1e4e,
+  0x4579, 0x0c73,
+  0x4621, 0x0c79,
+  0x463e, 0x1e4f,
+  0x463f, 0x0c97,
+  0x4642, 0x1e50,
+  0x4643, 0x0c9b,
+  0x4654, 0x1e51,
+  0x4656, 0x0cae,
+  0x465b, 0x1e53,
+  0x465d, 0x0cb5,
+  0x4661, 0x1e55,
+  0x4662, 0x0cba,
+  0x4666, 0x1e56,
+  0x4668, 0x0cc0,
+  0x466a, 0x1e58,
+  0x466b, 0x0cc3,
+  0x4676, 0x1aed,
+  0x4677, 0x0ccf,
+  0x4721, 0x0cd7,
+  0x4729, 0x1e59,
+  0x472a, 0x0ce0,
+  0x4739, 0x1e5a,
+  0x473a, 0x0cf0,
+  0x4757, 0x1e5b,
+  0x4758, 0x0d0e,
+  0x4767, 0x1e5c,
+  0x4768, 0x1989,
+  0x4769, 0x1e5d,
+  0x476a, 0x0d20,
+  0x476d, 0x1e5e,
+  0x476e, 0x0d24,
+  0x4821, 0x0d35,
+  0x4824, 0x1e5f,
+  0x4825, 0x0d39,
+  0x482e, 0x1e60,
+  0x482f, 0x0d43,
+  0x4830, 0x1e61,
+  0x4831, 0x0d45,
+  0x4854, 0x1e62,
+  0x4855, 0x0d69,
+  0x4862, 0x1e63,
+  0x4863, 0x0d77,
+  0x4875, 0x1e64,
+  0x4876, 0x0d8a,
+  0x4921, 0x0d93,
+  0x4922, 0x1e65,
+  0x4924, 0x0d96,
+  0x492f, 0x1e67,
+  0x4930, 0x143b,
+  0x4931, 0x0da3,
+  0x4932, 0x1e68,
+  0x4933, 0x0da5,
+  0x4935, 0x1e69,
+  0x4936, 0x0da8,
+  0x4940, 0x1e6a,
+  0x4941, 0x0db3,
+  0x494e, 0x1e6b,
+  0x494f, 0x0dc1,
+  0x4951, 0x1e6c,
+  0x4952, 0x0dc4,
+  0x4a21, 0x0df1,
+  0x4a43, 0x1e6d,
+  0x4a44, 0x0e14,
+  0x4a4d, 0x1e6e,
+  0x4a4e, 0x0e1e,
+  0x4a5a, 0x1e6f,
+  0x4a5b, 0x0e2b,
+  0x4a79, 0x1e70,
+  0x4a7a, 0x0e4a,
+  0x4b21, 0x0e4f,
+  0x4b22, 0x1e71,
+  0x4b23, 0x0e51,
+  0x4b29, 0x1e72,
+  0x4b2a, 0x0e58,
+  0x4b4b, 0x1e73,
+  0x4b4c, 0x0e7a,
+  0x4b6a, 0x1d33,
+  0x4b6b, 0x0e99,
+  0x4b70, 0x1e74,
+  0x4b71, 0x0e9f,
+  0x4b79, 0x102f,
+  0x4b7a, 0x0ea8,
+  0x4c21, 0x0ead,
+  0x4c4d, 0x1e75,
+  0x4c4e, 0x0eda,
+  0x4c59, 0x1e76,
+  0x4c5a, 0x0ee6,
+  0x4c5f, 0x1e77,
+  0x4c60, 0x0eec,
+  0x4c62, 0x1e78,
+  0x4c63, 0x0eef,
+  0x4c79, 0x1935,
+  0x4c7a, 0x1e79,
+  0x4c7b, 0x0f07,
+  0x4c7c, 0x1e7a,
+  0x4c7d, 0x0f09,
+  0x4c7e, 0x1e7b,
+  0x4d21, 0x0f0b,
+  0x4d32, 0x1e7c,
+  0x4d33, 0x0f1d,
+  0x4d50, 0x1e7d,
+  0x4d51, 0x0f3b,
+  0x4d54, 0x1e7e,
+  0x4d55, 0x0f3f,
+  0x4d5a, 0x1d34,
+  0x4d5b, 0x0f45,
+  0x4d69, 0x1e7f,
+  0x4d6a, 0x0f54,
+  0x4e21, 0x0f69,
+  0x4e4b, 0x1e80,
+  0x4e4c, 0x0f94,
+  0x4e7a, 0x1e81,
+  0x4e7c, 0x0fc4,
+  0x4f21, 0x1e83,
+  0x4f22, 0x0fc8,
+  0x4f31, 0x1e84,
+  0x4f32, 0x0fd8,
+  0x4f36, 0x1777,
+  0x4f37, 0x0fdd,
+  0x4f39, 0x1e85,
+  0x4f3a, 0x0fe0,
+  0x5021, 0x0ffa,
+  0x5056, 0x0ea7,
+  0x5057, 0x1030,
+  0x5121, 0x1058,
+  0x513d, 0x1e86,
+  0x513e, 0x1075,
+  0x5147, 0x1e87,
+  0x5148, 0x107f,
+  0x514b, 0x1e88,
+  0x514c, 0x1083,
+  0x514d, 0x1e89,
+  0x514e, 0x1085,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5330, 0x1e8a,
+  0x5331, 0x1124,
+  0x533a, 0x1e8b,
+  0x533b, 0x112e,
+  0x5350, 0x1e8c,
+  0x5351, 0x1144,
+  0x535e, 0x1e8d,
+  0x535f, 0x1152,
+  0x536b, 0x1e8e,
+  0x536c, 0x115f,
+  0x5421, 0x1172,
+  0x5444, 0x1e8f,
+  0x5445, 0x1196,
+  0x5464, 0x0bf7,
+  0x5465, 0x11b6,
+  0x5521, 0x11d0,
+  0x553d, 0x1e90,
+  0x553e, 0x11ed,
+  0x5563, 0x1e91,
+  0x5564, 0x1213,
+  0x5621, 0x122e,
+  0x5622, 0x1e92,
+  0x5623, 0x1230,
+  0x5672, 0x1e93,
+  0x5673, 0x1280,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5824, 0x1e94,
+  0x5825, 0x12ee,
+  0x5921, 0x1348,
+  0x5960, 0x1e95,
+  0x5961, 0x1388,
+  0x596c, 0x1e96,
+  0x596d, 0x1394,
+  0x5978, 0x05a7,
+  0x5979, 0x13a0,
+  0x5a21, 0x13a6,
+  0x5a39, 0x1e97,
+  0x5a3a, 0x13bf,
+  0x5a4d, 0x1e98,
+  0x5a4e, 0x13d3,
+  0x5b21, 0x1404,
+  0x5b45, 0x1e99,
+  0x5b46, 0x1429,
+  0x5b4a, 0x1e9a,
+  0x5b4b, 0x142e,
+  0x5b58, 0x0da2,
+  0x5b59, 0x143c,
+  0x5b6b, 0x1e9b,
+  0x5b6c, 0x144f,
+  0x5b6d, 0x0c68,
+  0x5b6e, 0x1451,
+  0x5b74, 0x1e9c,
+  0x5b75, 0x1458,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5e39, 0x0c6d,
+  0x5e3a, 0x1537,
+  0x5e50, 0x1e9d,
+  0x5e51, 0x154e,
+  0x5e75, 0x05ff,
+  0x5e76, 0x1573,
+  0x5f21, 0x157c,
+  0x5f73, 0x1e9e,
+  0x5f74, 0x15cf,
+  0x6021, 0x15da,
+  0x6026, 0x1e9f,
+  0x6027, 0x15e0,
+  0x605f, 0x1ea0,
+  0x6060, 0x1619,
+  0x6076, 0x1d35,
+  0x6077, 0x1630,
+  0x6121, 0x1638,
+  0x612b, 0x1ea1,
+  0x612c, 0x1643,
+  0x6130, 0x1ea2,
+  0x6132, 0x1649,
+  0x6221, 0x1696,
+  0x622b, 0x1ea4,
+  0x622c, 0x16a1,
+  0x6268, 0x07ee,
+  0x6269, 0x16de,
+  0x626a, 0x0c51,
+  0x626b, 0x16e0,
+  0x626f, 0x1ea5,
+  0x6270, 0x16e5,
+  0x6321, 0x16f4,
+  0x634a, 0x1ea6,
+  0x634b, 0x171e,
+  0x6354, 0x1ea7,
+  0x6355, 0x1728,
+  0x635e, 0x05d4,
+  0x635f, 0x1732,
+  0x6421, 0x1752,
+  0x6439, 0x1ea8,
+  0x643a, 0x176b,
+  0x6446, 0x0fdc,
+  0x6447, 0x1778,
+  0x6464, 0x1ea9,
+  0x6465, 0x1796,
+  0x646e, 0x1eaa,
+  0x646f, 0x17a0,
+  0x6521, 0x17b0,
+  0x6539, 0x1eab,
+  0x653a, 0x17c9,
+  0x653b, 0x1eac,
+  0x653c, 0x17cb,
+  0x6546, 0x1ead,
+  0x6547, 0x17d6,
+  0x6621, 0x180e,
+  0x6646, 0x1eae,
+  0x6647, 0x1834,
+  0x6721, 0x186c,
+  0x6764, 0x1eaf,
+  0x6765, 0x18b0,
+  0x6769, 0x1eb0,
+  0x676a, 0x18b5,
+  0x6772, 0x1eb1,
+  0x6773, 0x18be,
+  0x6821, 0x18ca,
+  0x6834, 0x1eb2,
+  0x6835, 0x18de,
+  0x683b, 0x1eb3,
+  0x683c, 0x18e5,
+  0x6874, 0x1eb4,
+  0x6875, 0x191e,
+  0x6921, 0x1928,
+  0x6922, 0x08f5,
+  0x6923, 0x192a,
+  0x692e, 0x0f05,
+  0x692f, 0x1936,
+  0x693c, 0x1eb5,
+  0x693d, 0x1944,
+  0x695a, 0x05a0,
+  0x695b, 0x1962,
+  0x6a21, 0x1986,
+  0x6a24, 0x0d1e,
+  0x6a25, 0x198a,
+  0x6a27, 0x1eb6,
+  0x6a28, 0x198d,
+  0x6a3d, 0x1eb7,
+  0x6a3e, 0x19a3,
+  0x6a6f, 0x1eb8,
+  0x6a70, 0x19d5,
+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b5d, 0x060e,
+  0x6b5e, 0x1a21,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6b76, 0x1ebb,
+  0x6b77, 0x1a3a,
+  0x6c21, 0x1a42,
+  0x6c4d, 0x0aaa,
+  0x6c4e, 0x1a6f,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6c74, 0x1ebd,
+  0x6c75, 0x1a96,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6d6c, 0x1ebf,
+  0x6d6d, 0x1aec,
+  0x6d6e, 0x1ec0,
+  0x6d6f, 0x1aee,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6e57, 0x1ec3,
+  0x6e58, 0x1b35,
+  0x6f21, 0x1b5c,
+  0x6f65, 0x1ec4,
+  0x6f66, 0x1ba1,
+  0x7021, 0x1bba,
+  0x7033, 0x1ec5,
+  0x7034, 0x1bcd,
+  0x7045, 0x1ec6,
+  0x7046, 0x1bdf,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7057, 0x1ec8,
+  0x7058, 0x1bf1,
+  0x7074, 0x0731,
+  0x7075, 0x1ec9,
+  0x7076, 0x1c0f,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724d, 0x0477,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7274, 0x0529,
+  0x7275, 0x1cca,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1d05,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0x7921, 0x20a7,
+  0x7a21, 0x2105,
+  0x7a36, 0x07c9,
+  0x7a37, 0x211a,
+  0x7b21, 0x2162,
+  0x7c21, 0x21c0,
+  0x7c71, 0x1f9c,
+  0x7c7b, 0x02ef,
+  0x7c7c, 0x1f45,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12ExtHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12ExtHMap2, 663
+};
+
+static Gushort japan12ExtRKSJHMap2[1330] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x8189, 0x1d36,
+  0x818a, 0x02c2,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x8540, 0x00e8,
+  0x8580, 0x0186,
+  0x8581, 0x0128,
+  0x859f, 0x0147,
+  0x85de, 0x0187,
+  0x8640, 0x01a6,
+  0x8680, 0x01e5,
+  0x8692, 0x0127,
+  0x8693, 0x01f7,
+  0x86a2, 0x1d37,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88b1, 0x1ca2,
+  0x88b2, 0x0478,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1dd8,
+  0x8959, 0x04dc,
+  0x895b, 0x1dd9,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x1cc9,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x89fb, 0x1de1,
+  0x89fc, 0x057e,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a61, 0x1961,
+  0x8a62, 0x05a1,
+  0x8a68, 0x139f,
+  0x8a69, 0x05a8,
+  0x8a80, 0x05be,
+  0x8a85, 0x1de3,
+  0x8a86, 0x05c4,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a96, 0x1731,
+  0x8a97, 0x05d5,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x1572,
+  0x8ac2, 0x0600,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ad0, 0x1a20,
+  0x8ad1, 0x060f,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc4, 0x1d32,
+  0x8bc5, 0x06bf,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c43, 0x1df3,
+  0x8c44, 0x06fb,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c64, 0x1df5,
+  0x8c65, 0x071c,
+  0x8c6d, 0x1df6,
+  0x8c6e, 0x0725,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c74, 0x1df8,
+  0x8c75, 0x072c,
+  0x8c7a, 0x1c0d,
+  0x8c7b, 0x0732,
+  0x8c80, 0x0736,
+  0x8c84, 0x1df9,
+  0x8c85, 0x073b,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c99, 0x1dfb,
+  0x8c9a, 0x0750,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d56, 0x1e00,
+  0x8d57, 0x07ca,
+  0x8d61, 0x1e01,
+  0x8d62, 0x07d5,
+  0x8d7b, 0x16dd,
+  0x8d7c, 0x07ef,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e80, 0x08ae,
+  0x8eb6, 0x1e0c,
+  0x8eb7, 0x08e5,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x1929,
+  0x8ec8, 0x08f6,
+  0x8ed5, 0x1e0e,
+  0x8ed6, 0x0904,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8e, 0x0978,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fbd, 0x1e19,
+  0x8fbe, 0x09a8,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1e1e,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x9089, 0x1e20,
+  0x908a, 0x0a30,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90c0, 0x1e22,
+  0x90c1, 0x0a67,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f1, 0x0a97,
+  0x90f7, 0x1e26,
+  0x90f9, 0x0a9f,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x1a6e,
+  0x9148, 0x0aab,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91f3, 0x1e33,
+  0x91f5, 0x0b57,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x924a, 0x0b69,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cb, 0x1e42,
+  0x92cc, 0x0bea,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x92d9, 0x11b5,
+  0x92da, 0x0bf8,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1e4b,
+  0x9372, 0x0c4d,
+  0x9376, 0x16df,
+  0x9377, 0x0c52,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x938e, 0x1450,
+  0x938f, 0x0c69,
+  0x9393, 0x1536,
+  0x9394, 0x0c6e,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93bc, 0x1e4f,
+  0x93bd, 0x0c97,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d4, 0x0cae,
+  0x93d9, 0x1e53,
+  0x93db, 0x0cb5,
+  0x93df, 0x1e55,
+  0x93e0, 0x0cba,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1aed,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x0ce0,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x1989,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94e0, 0x1e63,
+  0x94e1, 0x0d77,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x143b,
+  0x9550, 0x0da3,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9570, 0x1e6c,
+  0x9571, 0x0dc4,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9641, 0x1e71,
+  0x9642, 0x0e51,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x968a, 0x1d33,
+  0x968b, 0x0e99,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9699, 0x102f,
+  0x969a, 0x0ea8,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f7, 0x1935,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x96fc, 0x1e7b,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9779, 0x1d34,
+  0x977a, 0x0f45,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97c9, 0x1e80,
+  0x97ca, 0x0f94,
+  0x97f8, 0x1e81,
+  0x97fa, 0x0fc4,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9855, 0x1777,
+  0x9856, 0x0fdd,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x98d4, 0x0ea7,
+  0x98d5, 0x1030,
+  0x9940, 0x1058,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x9966, 0x1e87,
+  0x9967, 0x107f,
+  0x996a, 0x1e88,
+  0x996b, 0x1083,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a6f, 0x1e8c,
+  0x9a70, 0x1144,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x115f,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1196,
+  0x9ae2, 0x0bf7,
+  0x9ae3, 0x11b6,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9bf0, 0x1e93,
+  0x9bf1, 0x1280,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9d98, 0x05a7,
+  0x9d99, 0x13a0,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9dcb, 0x1e98,
+  0x9dcc, 0x13d3,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e69, 0x1e9a,
+  0x9e6a, 0x142e,
+  0x9e77, 0x0da2,
+  0x9e78, 0x143c,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9e8d, 0x0c68,
+  0x9e8e, 0x1451,
+  0x9e94, 0x1e9c,
+  0x9e95, 0x1458,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9fb7, 0x0c6d,
+  0x9fb8, 0x1537,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9ff3, 0x05ff,
+  0x9ff4, 0x1573,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe093, 0x1e9e,
+  0xe094, 0x15cf,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe0f4, 0x1d35,
+  0xe0f5, 0x1630,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe14f, 0x1ea2,
+  0xe151, 0x1649,
+  0xe180, 0x1677,
+  0xe1a9, 0x1ea4,
+  0xe1aa, 0x16a1,
+  0xe1e6, 0x07ee,
+  0xe1e7, 0x16de,
+  0xe1e8, 0x0c51,
+  0xe1e9, 0x16e0,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe27d, 0x05d4,
+  0xe27e, 0x1732,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2c4, 0x0fdc,
+  0xe2c5, 0x1778,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c4, 0x1eae,
+  0xe3c5, 0x1834,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b2, 0x1eb2,
+  0xe4b3, 0x18de,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4f2, 0x1eb4,
+  0xe4f3, 0x191e,
+  0xe540, 0x1928,
+  0xe541, 0x08f5,
+  0xe542, 0x192a,
+  0xe54d, 0x0f05,
+  0xe54e, 0x1936,
+  0xe55b, 0x1eb5,
+  0xe55c, 0x1944,
+  0xe579, 0x05a0,
+  0xe57a, 0x1962,
+  0xe580, 0x1967,
+  0xe5a2, 0x0d1e,
+  0xe5a3, 0x198a,
+  0xe5a5, 0x1eb6,
+  0xe5a6, 0x198d,
+  0xe5bb, 0x1eb7,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe67c, 0x060e,
+  0xe67d, 0x1a21,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe696, 0x1ebb,
+  0xe697, 0x1a3a,
+  0xe6cb, 0x0aaa,
+  0xe6cc, 0x1a6f,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe6f2, 0x1ebd,
+  0xe6f3, 0x1a96,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe78c, 0x1ebf,
+  0xe78d, 0x1aec,
+  0xe78e, 0x1ec0,
+  0xe78f, 0x1aee,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe7d5, 0x1ec3,
+  0xe7d6, 0x1b35,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe885, 0x1ec4,
+  0xe886, 0x1ba1,
+  0xe8b1, 0x1ec5,
+  0xe8b2, 0x1bcd,
+  0xe8c3, 0x1ec6,
+  0xe8c4, 0x1bdf,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe8d5, 0x1ec8,
+  0xe8d6, 0x1bf1,
+  0xe8f2, 0x0731,
+  0xe8f3, 0x1ec9,
+  0xe8f4, 0x1c0f,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cb, 0x0477,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xe9f2, 0x0529,
+  0xe9f3, 0x1cca,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1d05,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12ExtRKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12ExtRKSJHMap2, 665
+};
+
+static Gushort japan12ExtRKSJVMap2[1408] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x8189, 0x1d36,
+  0x818a, 0x02c2,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x8540, 0x00e8,
+  0x8580, 0x0186,
+  0x8581, 0x0128,
+  0x859f, 0x0147,
+  0x85de, 0x0187,
+  0x8640, 0x01a6,
+  0x8680, 0x01e5,
+  0x8692, 0x0127,
+  0x8693, 0x01f7,
+  0x86a2, 0x1d37,
+  0x8740, 0x1d83,
+  0x875f, 0x1da1,
+  0x877e, 0x2083,
+  0x8780, 0x1db8,
+  0x8790, 0x02fa,
+  0x8791, 0x02f9,
+  0x8792, 0x0301,
+  0x8793, 0x1dc8,
+  0x879a, 0x0300,
+  0x879b, 0x1dcf,
+  0x889f, 0x0465,
+  0x88a0, 0x1dd1,
+  0x88a1, 0x0467,
+  0x88b1, 0x1ca2,
+  0x88b2, 0x0478,
+  0x88b9, 0x1dd2,
+  0x88ba, 0x0480,
+  0x88ec, 0x1dd3,
+  0x88ed, 0x04b3,
+  0x88f1, 0x1dd4,
+  0x88f2, 0x04b8,
+  0x88fa, 0x1dd5,
+  0x88fb, 0x04c1,
+  0x8940, 0x04c3,
+  0x8949, 0x1dd6,
+  0x894a, 0x04cd,
+  0x8954, 0x1dd7,
+  0x8955, 0x04d8,
+  0x8958, 0x1dd8,
+  0x8959, 0x04dc,
+  0x895b, 0x1dd9,
+  0x895d, 0x04e0,
+  0x8961, 0x1ddb,
+  0x8962, 0x04e5,
+  0x8980, 0x0502,
+  0x898b, 0x1ddc,
+  0x898c, 0x050e,
+  0x89a6, 0x1ddd,
+  0x89a7, 0x1cc9,
+  0x89a8, 0x1dde,
+  0x89a9, 0x052b,
+  0x89de, 0x1ddf,
+  0x89df, 0x0561,
+  0x89f8, 0x1de0,
+  0x89f9, 0x057b,
+  0x89fb, 0x1de1,
+  0x89fc, 0x057e,
+  0x8a40, 0x057f,
+  0x8a41, 0x1de2,
+  0x8a42, 0x0581,
+  0x8a61, 0x1961,
+  0x8a62, 0x05a1,
+  0x8a68, 0x139f,
+  0x8a69, 0x05a8,
+  0x8a80, 0x05be,
+  0x8a85, 0x1de3,
+  0x8a86, 0x05c4,
+  0x8a8b, 0x1de4,
+  0x8a8c, 0x05ca,
+  0x8a93, 0x1de5,
+  0x8a94, 0x05d2,
+  0x8a96, 0x1731,
+  0x8a97, 0x05d5,
+  0x8a9a, 0x1de6,
+  0x8a9b, 0x05d9,
+  0x8ac0, 0x1de7,
+  0x8ac1, 0x1572,
+  0x8ac2, 0x0600,
+  0x8acb, 0x1de8,
+  0x8acc, 0x060a,
+  0x8ad0, 0x1a20,
+  0x8ad1, 0x060f,
+  0x8ae3, 0x1de9,
+  0x8ae4, 0x0622,
+  0x8b40, 0x063b,
+  0x8b4a, 0x1dea,
+  0x8b4b, 0x0646,
+  0x8b5f, 0x1deb,
+  0x8b60, 0x065b,
+  0x8b80, 0x067a,
+  0x8ba0, 0x1dec,
+  0x8ba1, 0x069b,
+  0x8ba8, 0x1ded,
+  0x8ba9, 0x06a3,
+  0x8bc4, 0x1d32,
+  0x8bc5, 0x06bf,
+  0x8bcd, 0x1dee,
+  0x8bce, 0x06c8,
+  0x8beb, 0x1def,
+  0x8bec, 0x06e6,
+  0x8bf2, 0x1df0,
+  0x8bf3, 0x06ed,
+  0x8bf9, 0x1df1,
+  0x8bfa, 0x06f4,
+  0x8bfb, 0x1df2,
+  0x8bfc, 0x06f6,
+  0x8c40, 0x06f7,
+  0x8c43, 0x1df3,
+  0x8c44, 0x06fb,
+  0x8c56, 0x1df4,
+  0x8c57, 0x070e,
+  0x8c64, 0x1df5,
+  0x8c65, 0x071c,
+  0x8c6d, 0x1df6,
+  0x8c6e, 0x0725,
+  0x8c71, 0x1df7,
+  0x8c72, 0x0729,
+  0x8c74, 0x1df8,
+  0x8c75, 0x072c,
+  0x8c7a, 0x1c0d,
+  0x8c7b, 0x0732,
+  0x8c80, 0x0736,
+  0x8c84, 0x1df9,
+  0x8c85, 0x073b,
+  0x8c91, 0x1dfa,
+  0x8c92, 0x0748,
+  0x8c99, 0x1dfb,
+  0x8c9a, 0x0750,
+  0x8c9e, 0x1dfc,
+  0x8c9f, 0x0755,
+  0x8cb2, 0x1dfd,
+  0x8cb3, 0x0769,
+  0x8cbf, 0x1dfe,
+  0x8cc0, 0x0776,
+  0x8d40, 0x07b3,
+  0x8d4a, 0x1dff,
+  0x8d4b, 0x07be,
+  0x8d56, 0x1e00,
+  0x8d57, 0x07ca,
+  0x8d61, 0x1e01,
+  0x8d62, 0x07d5,
+  0x8d7b, 0x16dd,
+  0x8d7c, 0x07ef,
+  0x8d80, 0x07f2,
+  0x8d8d, 0x1e02,
+  0x8d8e, 0x0800,
+  0x8d94, 0x1e03,
+  0x8d95, 0x0807,
+  0x8d99, 0x1e04,
+  0x8d9a, 0x080c,
+  0x8dd1, 0x1e05,
+  0x8dd2, 0x0844,
+  0x8de5, 0x1e06,
+  0x8de6, 0x0858,
+  0x8df2, 0x1e07,
+  0x8df3, 0x0865,
+  0x8e40, 0x086f,
+  0x8e46, 0x1e08,
+  0x8e47, 0x0876,
+  0x8e49, 0x1e09,
+  0x8e4a, 0x0879,
+  0x8e4b, 0x1e0a,
+  0x8e4c, 0x087b,
+  0x8e58, 0x1e0b,
+  0x8e59, 0x0888,
+  0x8e80, 0x08ae,
+  0x8eb6, 0x1e0c,
+  0x8eb7, 0x08e5,
+  0x8ec6, 0x1e0d,
+  0x8ec7, 0x1929,
+  0x8ec8, 0x08f6,
+  0x8ed5, 0x1e0e,
+  0x8ed6, 0x0904,
+  0x8edb, 0x1e0f,
+  0x8edd, 0x090b,
+  0x8f40, 0x092b,
+  0x8f4a, 0x1e11,
+  0x8f4b, 0x0936,
+  0x8f55, 0x1e12,
+  0x8f56, 0x0941,
+  0x8f80, 0x096a,
+  0x8f8c, 0x1e13,
+  0x8f8e, 0x0978,
+  0x8f92, 0x1e15,
+  0x8f94, 0x097e,
+  0x8fa3, 0x1e17,
+  0x8fa4, 0x098e,
+  0x8fb1, 0x1e18,
+  0x8fb2, 0x099c,
+  0x8fbd, 0x1e19,
+  0x8fbe, 0x09a8,
+  0x8fd3, 0x1e1a,
+  0x8fd4, 0x09be,
+  0x8fdd, 0x1e1b,
+  0x8fde, 0x09c8,
+  0x8fe2, 0x1e1c,
+  0x8fe3, 0x09cd,
+  0x9040, 0x09e7,
+  0x9049, 0x1e1d,
+  0x904a, 0x09f1,
+  0x9078, 0x1e1e,
+  0x9079, 0x0a20,
+  0x9080, 0x1e1f,
+  0x9081, 0x0a27,
+  0x9089, 0x1e20,
+  0x908a, 0x0a30,
+  0x90a0, 0x1e21,
+  0x90a1, 0x0a47,
+  0x90c0, 0x1e22,
+  0x90c1, 0x0a67,
+  0x90e4, 0x1e23,
+  0x90e5, 0x0a8b,
+  0x90ef, 0x1e24,
+  0x90f1, 0x0a97,
+  0x90f7, 0x1e26,
+  0x90f9, 0x0a9f,
+  0x9140, 0x0aa3,
+  0x9146, 0x1e28,
+  0x9147, 0x1a6e,
+  0x9148, 0x0aab,
+  0x9158, 0x1e29,
+  0x9159, 0x0abc,
+  0x916b, 0x1e2a,
+  0x916c, 0x0acf,
+  0x916e, 0x1e2b,
+  0x916f, 0x0ad2,
+  0x917e, 0x1e2c,
+  0x9180, 0x0ae2,
+  0x9189, 0x1e2d,
+  0x918a, 0x0aec,
+  0x91bb, 0x1e2e,
+  0x91bc, 0x0b1e,
+  0x91cb, 0x1e2f,
+  0x91cc, 0x0b2e,
+  0x91da, 0x1e30,
+  0x91db, 0x0b3d,
+  0x91e1, 0x1e31,
+  0x91e2, 0x0b44,
+  0x91ed, 0x1e32,
+  0x91ee, 0x0b50,
+  0x91f3, 0x1e33,
+  0x91f5, 0x0b57,
+  0x91fb, 0x1e35,
+  0x91fc, 0x0b5e,
+  0x9240, 0x0b5f,
+  0x9246, 0x1e36,
+  0x9247, 0x0b66,
+  0x9248, 0x1e37,
+  0x924a, 0x0b69,
+  0x924c, 0x1e39,
+  0x924e, 0x0b6d,
+  0x925c, 0x1e3b,
+  0x925d, 0x0b7c,
+  0x9280, 0x0b9e,
+  0x9290, 0x1e3c,
+  0x9291, 0x0baf,
+  0x9295, 0x1e3d,
+  0x9296, 0x0bb4,
+  0x929c, 0x1e3e,
+  0x929d, 0x0bbb,
+  0x92bb, 0x1e3f,
+  0x92bc, 0x0bda,
+  0x92c6, 0x1e40,
+  0x92c7, 0x0be5,
+  0x92c8, 0x1e41,
+  0x92c9, 0x0be7,
+  0x92cb, 0x1e42,
+  0x92cc, 0x0bea,
+  0x92cd, 0x1e43,
+  0x92ce, 0x0bec,
+  0x92d9, 0x11b5,
+  0x92da, 0x0bf8,
+  0x9340, 0x0c1b,
+  0x9341, 0x1e44,
+  0x9342, 0x0c1d,
+  0x9346, 0x1e45,
+  0x9347, 0x0c22,
+  0x934d, 0x1e46,
+  0x934e, 0x0c29,
+  0x9355, 0x1e47,
+  0x9356, 0x0c31,
+  0x935e, 0x1e48,
+  0x935f, 0x0c3a,
+  0x9367, 0x1e49,
+  0x9368, 0x0c43,
+  0x936a, 0x1e4a,
+  0x936b, 0x0c46,
+  0x9370, 0x1e4b,
+  0x9372, 0x0c4d,
+  0x9376, 0x16df,
+  0x9377, 0x0c52,
+  0x9380, 0x0c5a,
+  0x9384, 0x1e4d,
+  0x9385, 0x0c5f,
+  0x938e, 0x1450,
+  0x938f, 0x0c69,
+  0x9393, 0x1536,
+  0x9394, 0x0c6e,
+  0x9398, 0x1e4e,
+  0x9399, 0x0c73,
+  0x93bc, 0x1e4f,
+  0x93bd, 0x0c97,
+  0x93c0, 0x1e50,
+  0x93c1, 0x0c9b,
+  0x93d2, 0x1e51,
+  0x93d4, 0x0cae,
+  0x93d9, 0x1e53,
+  0x93db, 0x0cb5,
+  0x93df, 0x1e55,
+  0x93e0, 0x0cba,
+  0x93e4, 0x1e56,
+  0x93e6, 0x0cc0,
+  0x93e8, 0x1e58,
+  0x93e9, 0x0cc3,
+  0x93f4, 0x1aed,
+  0x93f5, 0x0ccf,
+  0x9440, 0x0cd7,
+  0x9448, 0x1e59,
+  0x9449, 0x0ce0,
+  0x9458, 0x1e5a,
+  0x9459, 0x0cf0,
+  0x9476, 0x1e5b,
+  0x9477, 0x0d0e,
+  0x9480, 0x0d16,
+  0x9487, 0x1e5c,
+  0x9488, 0x1989,
+  0x9489, 0x1e5d,
+  0x948a, 0x0d20,
+  0x948d, 0x1e5e,
+  0x948e, 0x0d24,
+  0x94a2, 0x1e5f,
+  0x94a3, 0x0d39,
+  0x94ac, 0x1e60,
+  0x94ad, 0x0d43,
+  0x94ae, 0x1e61,
+  0x94af, 0x0d45,
+  0x94d2, 0x1e62,
+  0x94d3, 0x0d69,
+  0x94e0, 0x1e63,
+  0x94e1, 0x0d77,
+  0x94f3, 0x1e64,
+  0x94f4, 0x0d8a,
+  0x9540, 0x0d93,
+  0x9541, 0x1e65,
+  0x9543, 0x0d96,
+  0x954e, 0x1e67,
+  0x954f, 0x143b,
+  0x9550, 0x0da3,
+  0x9551, 0x1e68,
+  0x9552, 0x0da5,
+  0x9554, 0x1e69,
+  0x9555, 0x0da8,
+  0x955f, 0x1e6a,
+  0x9560, 0x0db3,
+  0x956d, 0x1e6b,
+  0x956e, 0x0dc1,
+  0x9570, 0x1e6c,
+  0x9571, 0x0dc4,
+  0x9580, 0x0dd2,
+  0x95c1, 0x1e6d,
+  0x95c2, 0x0e14,
+  0x95cb, 0x1e6e,
+  0x95cc, 0x0e1e,
+  0x95d8, 0x1e6f,
+  0x95d9, 0x0e2b,
+  0x95f7, 0x1e70,
+  0x95f8, 0x0e4a,
+  0x9640, 0x0e4f,
+  0x9641, 0x1e71,
+  0x9642, 0x0e51,
+  0x9648, 0x1e72,
+  0x9649, 0x0e58,
+  0x966a, 0x1e73,
+  0x966b, 0x0e7a,
+  0x9680, 0x0e8e,
+  0x968a, 0x1d33,
+  0x968b, 0x0e99,
+  0x9690, 0x1e74,
+  0x9691, 0x0e9f,
+  0x9699, 0x102f,
+  0x969a, 0x0ea8,
+  0x96cb, 0x1e75,
+  0x96cc, 0x0eda,
+  0x96d7, 0x1e76,
+  0x96d8, 0x0ee6,
+  0x96dd, 0x1e77,
+  0x96de, 0x0eec,
+  0x96e0, 0x1e78,
+  0x96e1, 0x0eef,
+  0x96f7, 0x1935,
+  0x96f8, 0x1e79,
+  0x96f9, 0x0f07,
+  0x96fa, 0x1e7a,
+  0x96fb, 0x0f09,
+  0x96fc, 0x1e7b,
+  0x9740, 0x0f0b,
+  0x9751, 0x1e7c,
+  0x9752, 0x0f1d,
+  0x976f, 0x1e7d,
+  0x9770, 0x0f3b,
+  0x9773, 0x1e7e,
+  0x9774, 0x0f3f,
+  0x9779, 0x1d34,
+  0x977a, 0x0f45,
+  0x9780, 0x0f4a,
+  0x9789, 0x1e7f,
+  0x978a, 0x0f54,
+  0x97c9, 0x1e80,
+  0x97ca, 0x0f94,
+  0x97f8, 0x1e81,
+  0x97fa, 0x0fc4,
+  0x9840, 0x1e83,
+  0x9841, 0x0fc8,
+  0x9850, 0x1e84,
+  0x9851, 0x0fd8,
+  0x9855, 0x1777,
+  0x9856, 0x0fdd,
+  0x9858, 0x1e85,
+  0x9859, 0x0fe0,
+  0x989f, 0x0ffa,
+  0x98d4, 0x0ea7,
+  0x98d5, 0x1030,
+  0x9940, 0x1058,
+  0x995c, 0x1e86,
+  0x995d, 0x1075,
+  0x9966, 0x1e87,
+  0x9967, 0x107f,
+  0x996a, 0x1e88,
+  0x996b, 0x1083,
+  0x996c, 0x1e89,
+  0x996d, 0x1085,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a4f, 0x1e8a,
+  0x9a50, 0x1124,
+  0x9a59, 0x1e8b,
+  0x9a5a, 0x112e,
+  0x9a6f, 0x1e8c,
+  0x9a70, 0x1144,
+  0x9a7d, 0x1e8d,
+  0x9a7e, 0x1152,
+  0x9a80, 0x1153,
+  0x9a8b, 0x1e8e,
+  0x9a8c, 0x115f,
+  0x9ac2, 0x1e8f,
+  0x9ac3, 0x1196,
+  0x9ae2, 0x0bf7,
+  0x9ae3, 0x11b6,
+  0x9b40, 0x11d0,
+  0x9b5c, 0x1e90,
+  0x9b5d, 0x11ed,
+  0x9b80, 0x120f,
+  0x9b83, 0x1e91,
+  0x9b84, 0x1213,
+  0x9ba0, 0x1e92,
+  0x9ba1, 0x1230,
+  0x9bf0, 0x1e93,
+  0x9bf1, 0x1280,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9ca2, 0x1e94,
+  0x9ca3, 0x12ee,
+  0x9d40, 0x1348,
+  0x9d80, 0x1e95,
+  0x9d81, 0x1388,
+  0x9d8c, 0x1e96,
+  0x9d8d, 0x1394,
+  0x9d98, 0x05a7,
+  0x9d99, 0x13a0,
+  0x9db7, 0x1e97,
+  0x9db8, 0x13bf,
+  0x9dcb, 0x1e98,
+  0x9dcc, 0x13d3,
+  0x9e40, 0x1404,
+  0x9e64, 0x1e99,
+  0x9e65, 0x1429,
+  0x9e69, 0x1e9a,
+  0x9e6a, 0x142e,
+  0x9e77, 0x0da2,
+  0x9e78, 0x143c,
+  0x9e80, 0x1443,
+  0x9e8b, 0x1e9b,
+  0x9e8c, 0x144f,
+  0x9e8d, 0x0c68,
+  0x9e8e, 0x1451,
+  0x9e94, 0x1e9c,
+  0x9e95, 0x1458,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0x9fb7, 0x0c6d,
+  0x9fb8, 0x1537,
+  0x9fce, 0x1e9d,
+  0x9fcf, 0x154e,
+  0x9ff3, 0x05ff,
+  0x9ff4, 0x1573,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe093, 0x1e9e,
+  0xe094, 0x15cf,
+  0xe0a4, 0x1e9f,
+  0xe0a5, 0x15e0,
+  0xe0dd, 0x1ea0,
+  0xe0de, 0x1619,
+  0xe0f4, 0x1d35,
+  0xe0f5, 0x1630,
+  0xe140, 0x1638,
+  0xe14a, 0x1ea1,
+  0xe14b, 0x1643,
+  0xe14f, 0x1ea2,
+  0xe151, 0x1649,
+  0xe180, 0x1677,
+  0xe1a9, 0x1ea4,
+  0xe1aa, 0x16a1,
+  0xe1e6, 0x07ee,
+  0xe1e7, 0x16de,
+  0xe1e8, 0x0c51,
+  0xe1e9, 0x16e0,
+  0xe1ed, 0x1ea5,
+  0xe1ee, 0x16e5,
+  0xe240, 0x16f4,
+  0xe269, 0x1ea6,
+  0xe26a, 0x171e,
+  0xe273, 0x1ea7,
+  0xe274, 0x1728,
+  0xe27d, 0x05d4,
+  0xe27e, 0x1732,
+  0xe280, 0x1733,
+  0xe2b7, 0x1ea8,
+  0xe2b8, 0x176b,
+  0xe2c4, 0x0fdc,
+  0xe2c5, 0x1778,
+  0xe2e2, 0x1ea9,
+  0xe2e3, 0x1796,
+  0xe2ec, 0x1eaa,
+  0xe2ed, 0x17a0,
+  0xe340, 0x17b0,
+  0xe358, 0x1eab,
+  0xe359, 0x17c9,
+  0xe35a, 0x1eac,
+  0xe35b, 0x17cb,
+  0xe365, 0x1ead,
+  0xe366, 0x17d6,
+  0xe380, 0x17ef,
+  0xe3c4, 0x1eae,
+  0xe3c5, 0x1834,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe484, 0x1eaf,
+  0xe485, 0x18b0,
+  0xe489, 0x1eb0,
+  0xe48a, 0x18b5,
+  0xe492, 0x1eb1,
+  0xe493, 0x18be,
+  0xe4b2, 0x1eb2,
+  0xe4b3, 0x18de,
+  0xe4b9, 0x1eb3,
+  0xe4ba, 0x18e5,
+  0xe4f2, 0x1eb4,
+  0xe4f3, 0x191e,
+  0xe540, 0x1928,
+  0xe541, 0x08f5,
+  0xe542, 0x192a,
+  0xe54d, 0x0f05,
+  0xe54e, 0x1936,
+  0xe55b, 0x1eb5,
+  0xe55c, 0x1944,
+  0xe579, 0x05a0,
+  0xe57a, 0x1962,
+  0xe580, 0x1967,
+  0xe5a2, 0x0d1e,
+  0xe5a3, 0x198a,
+  0xe5a5, 0x1eb6,
+  0xe5a6, 0x198d,
+  0xe5bb, 0x1eb7,
+  0xe5bc, 0x19a3,
+  0xe5ed, 0x1eb8,
+  0xe5ee, 0x19d5,
+  0xe640, 0x19e4,
+  0xe651, 0x1eb9,
+  0xe652, 0x19f6,
+  0xe67c, 0x060e,
+  0xe67d, 0x1a21,
+  0xe680, 0x1a23,
+  0xe686, 0x1eba,
+  0xe687, 0x1a2a,
+  0xe696, 0x1ebb,
+  0xe697, 0x1a3a,
+  0xe6cb, 0x0aaa,
+  0xe6cc, 0x1a6f,
+  0xe6e7, 0x1ebc,
+  0xe6e8, 0x1a8b,
+  0xe6f2, 0x1ebd,
+  0xe6f3, 0x1a96,
+  0xe740, 0x1aa0,
+  0xe76d, 0x1ebe,
+  0xe76e, 0x1ace,
+  0xe780, 0x1adf,
+  0xe78c, 0x1ebf,
+  0xe78d, 0x1aec,
+  0xe78e, 0x1ec0,
+  0xe78f, 0x1aee,
+  0xe7a7, 0x1ec1,
+  0xe7a8, 0x1b07,
+  0xe7bb, 0x1ec2,
+  0xe7bc, 0x1b1b,
+  0xe7d5, 0x1ec3,
+  0xe7d6, 0x1b35,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe885, 0x1ec4,
+  0xe886, 0x1ba1,
+  0xe8b1, 0x1ec5,
+  0xe8b2, 0x1bcd,
+  0xe8c3, 0x1ec6,
+  0xe8c4, 0x1bdf,
+  0xe8cf, 0x1ec7,
+  0xe8d0, 0x1beb,
+  0xe8d5, 0x1ec8,
+  0xe8d6, 0x1bf1,
+  0xe8f2, 0x0731,
+  0xe8f3, 0x1ec9,
+  0xe8f4, 0x1c0f,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xe9ab, 0x1eca,
+  0xe9ac, 0x1c83,
+  0xe9ba, 0x1ecb,
+  0xe9bb, 0x1c92,
+  0xe9cb, 0x0477,
+  0xe9cc, 0x1ecc,
+  0xe9cd, 0x1ca4,
+  0xe9f2, 0x0529,
+  0xe9f3, 0x1cca,
+  0xea40, 0x1cd4,
+  0xea70, 0x1ecd,
+  0xea71, 0x1d05,
+  0xea80, 0x1d13,
+  0xea9d, 0x1ece,
+  0xea9e, 0x1d31,
+  0xed40, 0x20a7,
+  0xed80, 0x20e6,
+  0xedb4, 0x07c9,
+  0xedb5, 0x211a,
+  0xee40, 0x2162,
+  0xee80, 0x21a1,
+  0xeeef, 0x1f9c,
+  0xeef9, 0x02ef,
+  0xeefa, 0x1f45,
+  0x8141, 0x1ecf,
+  0x8143, 0x204c,
+  0x8144, 0x2052,
+  0x814a, 0x2050,
+  0x814b, 0x204f,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8165, 0x2059,
+  0x8166, 0x2054,
+  0x8167, 0x2057,
+  0x8168, 0x2056,
+  0x8169, 0x1edb,
+  0x818b, 0x204d,
+  0x818c, 0x2051,
+  0x818d, 0x205b,
+  0x81ac, 0x204e,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0x875f, 0x1f04,
+  0x8780, 0x1f14,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12ExtRKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12ExtRKSJVMap2, 704
+};
+
+static Gushort japan12ExtVMap2[1404] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2169, 0x1d36,
+  0x216a, 0x02c2,
+  0x2221, 0x02d7,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2921, 0x00e8,
+  0x2960, 0x0186,
+  0x2961, 0x0128,
+  0x2a21, 0x0147,
+  0x2a60, 0x0187,
+  0x2b21, 0x01a6,
+  0x2b72, 0x0127,
+  0x2b73, 0x01f7,
+  0x2c24, 0x1d37,
+  0x2d21, 0x1d83,
+  0x2d40, 0x1da1,
+  0x2d5f, 0x2083,
+  0x2d60, 0x1db8,
+  0x2d70, 0x02fa,
+  0x2d71, 0x02f9,
+  0x2d72, 0x0301,
+  0x2d73, 0x1dc8,
+  0x2d7a, 0x0300,
+  0x2d7b, 0x1dcf,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3033, 0x1ca2,
+  0x3034, 0x0478,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1dd8,
+  0x313a, 0x04dc,
+  0x313c, 0x1dd9,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x1cc9,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x327d, 0x1de1,
+  0x327e, 0x057e,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x3342, 0x1961,
+  0x3343, 0x05a1,
+  0x3349, 0x139f,
+  0x334a, 0x05a8,
+  0x3365, 0x1de3,
+  0x3366, 0x05c4,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x3376, 0x1731,
+  0x3377, 0x05d5,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x1572,
+  0x3444, 0x0600,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3452, 0x1a20,
+  0x3453, 0x060f,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3646, 0x1d32,
+  0x3647, 0x06bf,
+  0x364f, 0x1dee,
+  0x3650, 0x06c8,
+  0x366d, 0x1def,
+  0x366e, 0x06e6,
+  0x3674, 0x1df0,
+  0x3675, 0x06ed,
+  0x367b, 0x1df1,
+  0x367c, 0x06f4,
+  0x367d, 0x1df2,
+  0x367e, 0x06f6,
+  0x3721, 0x06f7,
+  0x3724, 0x1df3,
+  0x3725, 0x06fb,
+  0x3737, 0x1df4,
+  0x3738, 0x070e,
+  0x3745, 0x1df5,
+  0x3746, 0x071c,
+  0x374e, 0x1df6,
+  0x374f, 0x0725,
+  0x3752, 0x1df7,
+  0x3753, 0x0729,
+  0x3755, 0x1df8,
+  0x3756, 0x072c,
+  0x375b, 0x1c0d,
+  0x375c, 0x0732,
+  0x3764, 0x1df9,
+  0x3765, 0x073b,
+  0x3771, 0x1dfa,
+  0x3772, 0x0748,
+  0x3779, 0x1dfb,
+  0x377a, 0x0750,
+  0x377e, 0x1dfc,
+  0x3821, 0x0755,
+  0x3834, 0x1dfd,
+  0x3835, 0x0769,
+  0x3841, 0x1dfe,
+  0x3842, 0x0776,
+  0x3921, 0x07b3,
+  0x392b, 0x1dff,
+  0x392c, 0x07be,
+  0x3937, 0x1e00,
+  0x3938, 0x07ca,
+  0x3942, 0x1e01,
+  0x3943, 0x07d5,
+  0x395c, 0x16dd,
+  0x395d, 0x07ef,
+  0x396d, 0x1e02,
+  0x396e, 0x0800,
+  0x3974, 0x1e03,
+  0x3975, 0x0807,
+  0x3979, 0x1e04,
+  0x397a, 0x080c,
+  0x3a21, 0x0811,
+  0x3a53, 0x1e05,
+  0x3a54, 0x0844,
+  0x3a67, 0x1e06,
+  0x3a68, 0x0858,
+  0x3a74, 0x1e07,
+  0x3a75, 0x0865,
+  0x3b21, 0x086f,
+  0x3b27, 0x1e08,
+  0x3b28, 0x0876,
+  0x3b2a, 0x1e09,
+  0x3b2b, 0x0879,
+  0x3b2c, 0x1e0a,
+  0x3b2d, 0x087b,
+  0x3b39, 0x1e0b,
+  0x3b3a, 0x0888,
+  0x3c21, 0x08cd,
+  0x3c38, 0x1e0c,
+  0x3c39, 0x08e5,
+  0x3c48, 0x1e0d,
+  0x3c49, 0x1929,
+  0x3c4a, 0x08f6,
+  0x3c57, 0x1e0e,
+  0x3c58, 0x0904,
+  0x3c5d, 0x1e0f,
+  0x3c5f, 0x090b,
+  0x3d21, 0x092b,
+  0x3d2b, 0x1e11,
+  0x3d2c, 0x0936,
+  0x3d36, 0x1e12,
+  0x3d37, 0x0941,
+  0x3d6c, 0x1e13,
+  0x3d6e, 0x0978,
+  0x3d72, 0x1e15,
+  0x3d74, 0x097e,
+  0x3e21, 0x0989,
+  0x3e25, 0x1e17,
+  0x3e26, 0x098e,
+  0x3e33, 0x1e18,
+  0x3e34, 0x099c,
+  0x3e3f, 0x1e19,
+  0x3e40, 0x09a8,
+  0x3e55, 0x1e1a,
+  0x3e56, 0x09be,
+  0x3e5f, 0x1e1b,
+  0x3e60, 0x09c8,
+  0x3e64, 0x1e1c,
+  0x3e65, 0x09cd,
+  0x3f21, 0x09e7,
+  0x3f2a, 0x1e1d,
+  0x3f2b, 0x09f1,
+  0x3f59, 0x1e1e,
+  0x3f5a, 0x0a20,
+  0x3f60, 0x1e1f,
+  0x3f61, 0x0a27,
+  0x3f69, 0x1e20,
+  0x3f6a, 0x0a30,
+  0x4021, 0x0a45,
+  0x4022, 0x1e21,
+  0x4023, 0x0a47,
+  0x4042, 0x1e22,
+  0x4043, 0x0a67,
+  0x4066, 0x1e23,
+  0x4067, 0x0a8b,
+  0x4071, 0x1e24,
+  0x4073, 0x0a97,
+  0x4079, 0x1e26,
+  0x407b, 0x0a9f,
+  0x4121, 0x0aa3,
+  0x4127, 0x1e28,
+  0x4128, 0x1a6e,
+  0x4129, 0x0aab,
+  0x4139, 0x1e29,
+  0x413a, 0x0abc,
+  0x414c, 0x1e2a,
+  0x414d, 0x0acf,
+  0x414f, 0x1e2b,
+  0x4150, 0x0ad2,
+  0x415f, 0x1e2c,
+  0x4160, 0x0ae2,
+  0x4169, 0x1e2d,
+  0x416a, 0x0aec,
+  0x4221, 0x0b01,
+  0x423d, 0x1e2e,
+  0x423e, 0x0b1e,
+  0x424d, 0x1e2f,
+  0x424e, 0x0b2e,
+  0x425c, 0x1e30,
+  0x425d, 0x0b3d,
+  0x4263, 0x1e31,
+  0x4264, 0x0b44,
+  0x426f, 0x1e32,
+  0x4270, 0x0b50,
+  0x4275, 0x1e33,
+  0x4277, 0x0b57,
+  0x427d, 0x1e35,
+  0x427e, 0x0b5e,
+  0x4321, 0x0b5f,
+  0x4327, 0x1e36,
+  0x4328, 0x0b66,
+  0x4329, 0x1e37,
+  0x432b, 0x0b69,
+  0x432d, 0x1e39,
+  0x432f, 0x0b6d,
+  0x433d, 0x1e3b,
+  0x433e, 0x0b7c,
+  0x4370, 0x1e3c,
+  0x4371, 0x0baf,
+  0x4375, 0x1e3d,
+  0x4376, 0x0bb4,
+  0x437c, 0x1e3e,
+  0x437d, 0x0bbb,
+  0x4421, 0x0bbd,
+  0x443d, 0x1e3f,
+  0x443e, 0x0bda,
+  0x4448, 0x1e40,
+  0x4449, 0x0be5,
+  0x444a, 0x1e41,
+  0x444b, 0x0be7,
+  0x444d, 0x1e42,
+  0x444e, 0x0bea,
+  0x444f, 0x1e43,
+  0x4450, 0x0bec,
+  0x445b, 0x11b5,
+  0x445c, 0x0bf8,
+  0x4521, 0x0c1b,
+  0x4522, 0x1e44,
+  0x4523, 0x0c1d,
+  0x4527, 0x1e45,
+  0x4528, 0x0c22,
+  0x452e, 0x1e46,
+  0x452f, 0x0c29,
+  0x4536, 0x1e47,
+  0x4537, 0x0c31,
+  0x453f, 0x1e48,
+  0x4540, 0x0c3a,
+  0x4548, 0x1e49,
+  0x4549, 0x0c43,
+  0x454b, 0x1e4a,
+  0x454c, 0x0c46,
+  0x4551, 0x1e4b,
+  0x4553, 0x0c4d,
+  0x4557, 0x16df,
+  0x4558, 0x0c52,
+  0x4564, 0x1e4d,
+  0x4565, 0x0c5f,
+  0x456e, 0x1450,
+  0x456f, 0x0c69,
+  0x4573, 0x1536,
+  0x4574, 0x0c6e,
+  0x4578, 0x1e4e,
+  0x4579, 0x0c73,
+  0x4621, 0x0c79,
+  0x463e, 0x1e4f,
+  0x463f, 0x0c97,
+  0x4642, 0x1e50,
+  0x4643, 0x0c9b,
+  0x4654, 0x1e51,
+  0x4656, 0x0cae,
+  0x465b, 0x1e53,
+  0x465d, 0x0cb5,
+  0x4661, 0x1e55,
+  0x4662, 0x0cba,
+  0x4666, 0x1e56,
+  0x4668, 0x0cc0,
+  0x466a, 0x1e58,
+  0x466b, 0x0cc3,
+  0x4676, 0x1aed,
+  0x4677, 0x0ccf,
+  0x4721, 0x0cd7,
+  0x4729, 0x1e59,
+  0x472a, 0x0ce0,
+  0x4739, 0x1e5a,
+  0x473a, 0x0cf0,
+  0x4757, 0x1e5b,
+  0x4758, 0x0d0e,
+  0x4767, 0x1e5c,
+  0x4768, 0x1989,
+  0x4769, 0x1e5d,
+  0x476a, 0x0d20,
+  0x476d, 0x1e5e,
+  0x476e, 0x0d24,
+  0x4821, 0x0d35,
+  0x4824, 0x1e5f,
+  0x4825, 0x0d39,
+  0x482e, 0x1e60,
+  0x482f, 0x0d43,
+  0x4830, 0x1e61,
+  0x4831, 0x0d45,
+  0x4854, 0x1e62,
+  0x4855, 0x0d69,
+  0x4862, 0x1e63,
+  0x4863, 0x0d77,
+  0x4875, 0x1e64,
+  0x4876, 0x0d8a,
+  0x4921, 0x0d93,
+  0x4922, 0x1e65,
+  0x4924, 0x0d96,
+  0x492f, 0x1e67,
+  0x4930, 0x143b,
+  0x4931, 0x0da3,
+  0x4932, 0x1e68,
+  0x4933, 0x0da5,
+  0x4935, 0x1e69,
+  0x4936, 0x0da8,
+  0x4940, 0x1e6a,
+  0x4941, 0x0db3,
+  0x494e, 0x1e6b,
+  0x494f, 0x0dc1,
+  0x4951, 0x1e6c,
+  0x4952, 0x0dc4,
+  0x4a21, 0x0df1,
+  0x4a43, 0x1e6d,
+  0x4a44, 0x0e14,
+  0x4a4d, 0x1e6e,
+  0x4a4e, 0x0e1e,
+  0x4a5a, 0x1e6f,
+  0x4a5b, 0x0e2b,
+  0x4a79, 0x1e70,
+  0x4a7a, 0x0e4a,
+  0x4b21, 0x0e4f,
+  0x4b22, 0x1e71,
+  0x4b23, 0x0e51,
+  0x4b29, 0x1e72,
+  0x4b2a, 0x0e58,
+  0x4b4b, 0x1e73,
+  0x4b4c, 0x0e7a,
+  0x4b6a, 0x1d33,
+  0x4b6b, 0x0e99,
+  0x4b70, 0x1e74,
+  0x4b71, 0x0e9f,
+  0x4b79, 0x102f,
+  0x4b7a, 0x0ea8,
+  0x4c21, 0x0ead,
+  0x4c4d, 0x1e75,
+  0x4c4e, 0x0eda,
+  0x4c59, 0x1e76,
+  0x4c5a, 0x0ee6,
+  0x4c5f, 0x1e77,
+  0x4c60, 0x0eec,
+  0x4c62, 0x1e78,
+  0x4c63, 0x0eef,
+  0x4c79, 0x1935,
+  0x4c7a, 0x1e79,
+  0x4c7b, 0x0f07,
+  0x4c7c, 0x1e7a,
+  0x4c7d, 0x0f09,
+  0x4c7e, 0x1e7b,
+  0x4d21, 0x0f0b,
+  0x4d32, 0x1e7c,
+  0x4d33, 0x0f1d,
+  0x4d50, 0x1e7d,
+  0x4d51, 0x0f3b,
+  0x4d54, 0x1e7e,
+  0x4d55, 0x0f3f,
+  0x4d5a, 0x1d34,
+  0x4d5b, 0x0f45,
+  0x4d69, 0x1e7f,
+  0x4d6a, 0x0f54,
+  0x4e21, 0x0f69,
+  0x4e4b, 0x1e80,
+  0x4e4c, 0x0f94,
+  0x4e7a, 0x1e81,
+  0x4e7c, 0x0fc4,
+  0x4f21, 0x1e83,
+  0x4f22, 0x0fc8,
+  0x4f31, 0x1e84,
+  0x4f32, 0x0fd8,
+  0x4f36, 0x1777,
+  0x4f37, 0x0fdd,
+  0x4f39, 0x1e85,
+  0x4f3a, 0x0fe0,
+  0x5021, 0x0ffa,
+  0x5056, 0x0ea7,
+  0x5057, 0x1030,
+  0x5121, 0x1058,
+  0x513d, 0x1e86,
+  0x513e, 0x1075,
+  0x5147, 0x1e87,
+  0x5148, 0x107f,
+  0x514b, 0x1e88,
+  0x514c, 0x1083,
+  0x514d, 0x1e89,
+  0x514e, 0x1085,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5330, 0x1e8a,
+  0x5331, 0x1124,
+  0x533a, 0x1e8b,
+  0x533b, 0x112e,
+  0x5350, 0x1e8c,
+  0x5351, 0x1144,
+  0x535e, 0x1e8d,
+  0x535f, 0x1152,
+  0x536b, 0x1e8e,
+  0x536c, 0x115f,
+  0x5421, 0x1172,
+  0x5444, 0x1e8f,
+  0x5445, 0x1196,
+  0x5464, 0x0bf7,
+  0x5465, 0x11b6,
+  0x5521, 0x11d0,
+  0x553d, 0x1e90,
+  0x553e, 0x11ed,
+  0x5563, 0x1e91,
+  0x5564, 0x1213,
+  0x5621, 0x122e,
+  0x5622, 0x1e92,
+  0x5623, 0x1230,
+  0x5672, 0x1e93,
+  0x5673, 0x1280,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5824, 0x1e94,
+  0x5825, 0x12ee,
+  0x5921, 0x1348,
+  0x5960, 0x1e95,
+  0x5961, 0x1388,
+  0x596c, 0x1e96,
+  0x596d, 0x1394,
+  0x5978, 0x05a7,
+  0x5979, 0x13a0,
+  0x5a21, 0x13a6,
+  0x5a39, 0x1e97,
+  0x5a3a, 0x13bf,
+  0x5a4d, 0x1e98,
+  0x5a4e, 0x13d3,
+  0x5b21, 0x1404,
+  0x5b45, 0x1e99,
+  0x5b46, 0x1429,
+  0x5b4a, 0x1e9a,
+  0x5b4b, 0x142e,
+  0x5b58, 0x0da2,
+  0x5b59, 0x143c,
+  0x5b6b, 0x1e9b,
+  0x5b6c, 0x144f,
+  0x5b6d, 0x0c68,
+  0x5b6e, 0x1451,
+  0x5b74, 0x1e9c,
+  0x5b75, 0x1458,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5e39, 0x0c6d,
+  0x5e3a, 0x1537,
+  0x5e50, 0x1e9d,
+  0x5e51, 0x154e,
+  0x5e75, 0x05ff,
+  0x5e76, 0x1573,
+  0x5f21, 0x157c,
+  0x5f73, 0x1e9e,
+  0x5f74, 0x15cf,
+  0x6021, 0x15da,
+  0x6026, 0x1e9f,
+  0x6027, 0x15e0,
+  0x605f, 0x1ea0,
+  0x6060, 0x1619,
+  0x6076, 0x1d35,
+  0x6077, 0x1630,
+  0x6121, 0x1638,
+  0x612b, 0x1ea1,
+  0x612c, 0x1643,
+  0x6130, 0x1ea2,
+  0x6132, 0x1649,
+  0x6221, 0x1696,
+  0x622b, 0x1ea4,
+  0x622c, 0x16a1,
+  0x6268, 0x07ee,
+  0x6269, 0x16de,
+  0x626a, 0x0c51,
+  0x626b, 0x16e0,
+  0x626f, 0x1ea5,
+  0x6270, 0x16e5,
+  0x6321, 0x16f4,
+  0x634a, 0x1ea6,
+  0x634b, 0x171e,
+  0x6354, 0x1ea7,
+  0x6355, 0x1728,
+  0x635e, 0x05d4,
+  0x635f, 0x1732,
+  0x6421, 0x1752,
+  0x6439, 0x1ea8,
+  0x643a, 0x176b,
+  0x6446, 0x0fdc,
+  0x6447, 0x1778,
+  0x6464, 0x1ea9,
+  0x6465, 0x1796,
+  0x646e, 0x1eaa,
+  0x646f, 0x17a0,
+  0x6521, 0x17b0,
+  0x6539, 0x1eab,
+  0x653a, 0x17c9,
+  0x653b, 0x1eac,
+  0x653c, 0x17cb,
+  0x6546, 0x1ead,
+  0x6547, 0x17d6,
+  0x6621, 0x180e,
+  0x6646, 0x1eae,
+  0x6647, 0x1834,
+  0x6721, 0x186c,
+  0x6764, 0x1eaf,
+  0x6765, 0x18b0,
+  0x6769, 0x1eb0,
+  0x676a, 0x18b5,
+  0x6772, 0x1eb1,
+  0x6773, 0x18be,
+  0x6821, 0x18ca,
+  0x6834, 0x1eb2,
+  0x6835, 0x18de,
+  0x683b, 0x1eb3,
+  0x683c, 0x18e5,
+  0x6874, 0x1eb4,
+  0x6875, 0x191e,
+  0x6921, 0x1928,
+  0x6922, 0x08f5,
+  0x6923, 0x192a,
+  0x692e, 0x0f05,
+  0x692f, 0x1936,
+  0x693c, 0x1eb5,
+  0x693d, 0x1944,
+  0x695a, 0x05a0,
+  0x695b, 0x1962,
+  0x6a21, 0x1986,
+  0x6a24, 0x0d1e,
+  0x6a25, 0x198a,
+  0x6a27, 0x1eb6,
+  0x6a28, 0x198d,
+  0x6a3d, 0x1eb7,
+  0x6a3e, 0x19a3,
+  0x6a6f, 0x1eb8,
+  0x6a70, 0x19d5,
+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b5d, 0x060e,
+  0x6b5e, 0x1a21,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6b76, 0x1ebb,
+  0x6b77, 0x1a3a,
+  0x6c21, 0x1a42,
+  0x6c4d, 0x0aaa,
+  0x6c4e, 0x1a6f,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6c74, 0x1ebd,
+  0x6c75, 0x1a96,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6d6c, 0x1ebf,
+  0x6d6d, 0x1aec,
+  0x6d6e, 0x1ec0,
+  0x6d6f, 0x1aee,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6e57, 0x1ec3,
+  0x6e58, 0x1b35,
+  0x6f21, 0x1b5c,
+  0x6f65, 0x1ec4,
+  0x6f66, 0x1ba1,
+  0x7021, 0x1bba,
+  0x7033, 0x1ec5,
+  0x7034, 0x1bcd,
+  0x7045, 0x1ec6,
+  0x7046, 0x1bdf,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7057, 0x1ec8,
+  0x7058, 0x1bf1,
+  0x7074, 0x0731,
+  0x7075, 0x1ec9,
+  0x7076, 0x1c0f,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724d, 0x0477,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7274, 0x0529,
+  0x7275, 0x1cca,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1d05,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0x7921, 0x20a7,
+  0x7a21, 0x2105,
+  0x7a36, 0x07c9,
+  0x7a37, 0x211a,
+  0x7b21, 0x2162,
+  0x7c21, 0x21c0,
+  0x7c71, 0x1f9c,
+  0x7c7b, 0x02ef,
+  0x7c7c, 0x1f45,
+  0x2122, 0x1ecf,
+  0x2124, 0x204c,
+  0x2125, 0x2052,
+  0x212b, 0x2050,
+  0x212c, 0x204f,
+  0x213c, 0x1ed3,
+  0x2141, 0x1ed6,
+  0x2146, 0x2059,
+  0x2147, 0x2054,
+  0x2148, 0x2057,
+  0x2149, 0x2056,
+  0x214a, 0x1edb,
+  0x216b, 0x204d,
+  0x216c, 0x2051,
+  0x216d, 0x205b,
+  0x222e, 0x204e,
+  0x2421, 0x1eee,
+  0x2423, 0x1eef,
+  0x2425, 0x1ef0,
+  0x2427, 0x1ef1,
+  0x2429, 0x1ef2,
+  0x2443, 0x1ef3,
+  0x2463, 0x1ef4,
+  0x2465, 0x1ef5,
+  0x2467, 0x1ef6,
+  0x246e, 0x1ef7,
+  0x2521, 0x1ef8,
+  0x2523, 0x1ef9,
+  0x2525, 0x1efa,
+  0x2527, 0x1efb,
+  0x2529, 0x1efc,
+  0x2543, 0x1efd,
+  0x2563, 0x1efe,
+  0x2565, 0x1eff,
+  0x2567, 0x1f00,
+  0x256e, 0x1f01,
+  0x2575, 0x1f02,
+  0x2d40, 0x1f04,
+  0x2d60, 0x1f14,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12ExtVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12ExtVMap2, 702
+};
+
+static Gushort japan12HMap2[240] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2221, 0x02d7,
+  0x223a, 0x02e5,
+  0x224a, 0x02ed,
+  0x225c, 0x02f4,
+  0x2272, 0x0303,
+  0x227e, 0x030b,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2821, 0x1d37,
+  0x2822, 0x1d39,
+  0x2823, 0x1d43,
+  0x2824, 0x1d47,
+  0x2825, 0x1d4f,
+  0x2826, 0x1d4b,
+  0x2827, 0x1d53,
+  0x2828, 0x1d63,
+  0x2829, 0x1d5b,
+  0x282a, 0x1d6b,
+  0x282b, 0x1d73,
+  0x282c, 0x1d38,
+  0x282d, 0x1d3a,
+  0x282e, 0x1d46,
+  0x282f, 0x1d4a,
+  0x2830, 0x1d52,
+  0x2831, 0x1d4e,
+  0x2832, 0x1d5a,
+  0x2833, 0x1d6a,
+  0x2834, 0x1d62,
+  0x2835, 0x1d72,
+  0x2836, 0x1d82,
+  0x2837, 0x1d57,
+  0x2838, 0x1d66,
+  0x2839, 0x1d5f,
+  0x283a, 0x1d6e,
+  0x283b, 0x1d76,
+  0x283c, 0x1d54,
+  0x283d, 0x1d67,
+  0x283e, 0x1d5c,
+  0x283f, 0x1d6f,
+  0x2840, 0x1d79,
+  0x3021, 0x0465,
+  0x3121, 0x04c3,
+  0x3221, 0x0521,
+  0x3321, 0x057f,
+  0x3421, 0x05dd,
+  0x3521, 0x063b,
+  0x3621, 0x0699,
+  0x3721, 0x06f7,
+  0x3821, 0x0755,
+  0x3921, 0x07b3,
+  0x3a21, 0x0811,
+  0x3b21, 0x086f,
+  0x3c21, 0x08cd,
+  0x3d21, 0x092b,
+  0x3e21, 0x0989,
+  0x3f21, 0x09e7,
+  0x4021, 0x0a45,
+  0x4121, 0x0aa3,
+  0x4221, 0x0b01,
+  0x4321, 0x0b5f,
+  0x4421, 0x0bbd,
+  0x4521, 0x0c1b,
+  0x4621, 0x0c79,
+  0x4721, 0x0cd7,
+  0x4821, 0x0d35,
+  0x4921, 0x0d93,
+  0x4a21, 0x0df1,
+  0x4b21, 0x0e4f,
+  0x4c21, 0x0ead,
+  0x4d21, 0x0f0b,
+  0x4e21, 0x0f69,
+  0x4f21, 0x0fc7,
+  0x5021, 0x0ffa,
+  0x5121, 0x1058,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5421, 0x1172,
+  0x5521, 0x11d0,
+  0x5621, 0x122e,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5921, 0x1348,
+  0x5a21, 0x13a6,
+  0x5b21, 0x1404,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5f21, 0x157c,
+  0x6021, 0x15da,
+  0x6121, 0x1638,
+  0x6221, 0x1696,
+  0x6321, 0x16f4,
+  0x6421, 0x1752,
+  0x6521, 0x17b0,
+  0x6621, 0x180e,
+  0x6721, 0x186c,
+  0x6821, 0x18ca,
+  0x6921, 0x1928,
+  0x6a21, 0x1986,
+  0x6b21, 0x19e4,
+  0x6c21, 0x1a42,
+  0x6d21, 0x1aa0,
+  0x6e21, 0x1afe,
+  0x6f21, 0x1b5c,
+  0x7021, 0x1bba,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x7321, 0x1cd4,
+  0x7421, 0x1d32,
+  0x7425, 0x205c,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12HEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12HMap2, 120
+};
+
+static Gushort japan12HankakuMap2[4] = {
+  0x0000, 0x0000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12HankakuEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x00e7, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x0204, 0x0205,
+    0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020b, 0x020c, 0x020d,
+    0x0156, 0x020e, 0x020f, 0x0210, 0x0211, 0x0212, 0x0213, 0x0214,
+    0x0215, 0x0216, 0x0217, 0x0218, 0x0219, 0x021a, 0x021b, 0x021c,
+    0x0000, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x021d, 0x021e, 0x021f, 0x0220, 0x0221, 0x0222, 0x0223, 0x0224,
+    0x0225, 0x0226, 0x0227, 0x0228, 0x0229, 0x022a, 0x022b, 0x022c,
+    0x022d, 0x022e, 0x022f, 0x0230, 0x0231, 0x0232, 0x0233, 0x0234,
+    0x0235, 0x0236, 0x0237, 0x0238, 0x0239, 0x023a, 0x0184, 0x0185 },
+  japan12HankakuMap2, 2
+};
+
+static Gushort japan12HiraganaMap2[4] = {
+  0x0000, 0x0000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12HiraganaEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0203, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x0204, 0x0205,
+    0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020b, 0x020c, 0x020d,
+    0x0156, 0x020e, 0x020f, 0x0210, 0x0211, 0x0212, 0x0213, 0x0214,
+    0x0215, 0x0216, 0x0217, 0x0218, 0x0219, 0x021a, 0x021b, 0x021c,
+    0x021d, 0x021e, 0x021f, 0x0220, 0x0221, 0x0222, 0x0223, 0x0224,
+    0x0225, 0x0226, 0x0227, 0x0228, 0x0229, 0x022a, 0x022b, 0x022c,
+    0x022d, 0x022e, 0x022f, 0x0230, 0x0231, 0x0232, 0x0233, 0x0234,
+    0x0235, 0x0236, 0x0237, 0x0238, 0x0239, 0x023a, 0x0184, 0x0185,
+    0x023b, 0x023c, 0x023d, 0x0000, 0x0000, 0x0000, 0x023e, 0x023f,
+    0x0240, 0x0241, 0x0242, 0x0243, 0x0244, 0x0245, 0x0246, 0x0247,
+    0x0248, 0x0249, 0x024a, 0x024b, 0x024c, 0x024d, 0x024e, 0x024f,
+    0x0250, 0x0251, 0x0252, 0x0253, 0x0254, 0x0255, 0x0256, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12HiraganaMap2, 2
+};
+
+static Gushort japan12KatakanaMap2[4] = {
+  0x0000, 0x0000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12KatakanaEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0187, 0x0188, 0x0189, 0x018a, 0x018b, 0x018c, 0x018d, 0x018e,
+    0x018f, 0x0190, 0x0191, 0x0192, 0x0193, 0x0194, 0x0195, 0x0196,
+    0x0197, 0x0198, 0x0199, 0x019a, 0x019b, 0x019c, 0x019d, 0x019e,
+    0x019f, 0x01a0, 0x01a1, 0x01a2, 0x01a3, 0x01a4, 0x01a5, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12KatakanaMap2, 2
+};
+
+static Gushort japan12NWPHMap2[1522] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2169, 0x1d36,
+  0x216a, 0x02c2,
+  0x2221, 0x02d7,
+  0x223a, 0x02e5,
+  0x224a, 0x02ed,
+  0x225c, 0x02f4,
+  0x2272, 0x0303,
+  0x227e, 0x030b,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2921, 0x00e8,
+  0x2960, 0x0186,
+  0x2961, 0x0128,
+  0x2a21, 0x0147,
+  0x2a60, 0x0187,
+  0x2b21, 0x01a6,
+  0x2b72, 0x0127,
+  0x2b73, 0x01f7,
+  0x2c24, 0x1d37,
+  0x2d21, 0x1d83,
+  0x2d40, 0x1da1,
+  0x2d60, 0x1db8,
+  0x2d70, 0x02fa,
+  0x2d71, 0x02f9,
+  0x2d72, 0x0301,
+  0x2d73, 0x1dc8,
+  0x2d7a, 0x0300,
+  0x2d7b, 0x1dcf,
+  0x2e21, 0x0282,
+  0x2e22, 0x02a1,
+  0x2e23, 0x0305,
+  0x2e24, 0x02c8,
+  0x2e25, 0x02cb,
+  0x2e26, 0x02cd,
+  0x2e27, 0x029f,
+  0x2e28, 0x02a2,
+  0x2e2a, 0x02ce,
+  0x2e2b, 0x02b4,
+  0x2e2c, 0x027c,
+  0x2e2d, 0x02b5,
+  0x2e2e, 0x027d,
+  0x2e2f, 0x0297,
+  0x2e30, 0x030c,
+  0x2e3a, 0x027f,
+  0x2e3c, 0x02bb,
+  0x2e3d, 0x02b9,
+  0x2e3e, 0x02bc,
+  0x2e3f, 0x0281,
+  0x2e40, 0x02cf,
+  0x2e41, 0x0316,
+  0x2e5b, 0x02a6,
+  0x2e5c, 0x02c7,
+  0x2e5d, 0x02a7,
+  0x2e5e, 0x0288,
+  0x2e5f, 0x028a,
+  0x2e60, 0x0286,
+  0x2e61, 0x0330,
+  0x2e7b, 0x02a8,
+  0x2e7c, 0x029b,
+  0x2e7d, 0x02a9,
+  0x2e7e, 0x0289,
+  0x2f21, 0x027b,
+  0x2f22, 0x02ae,
+  0x2f24, 0x027a,
+  0x2f25, 0x027e,
+  0x2f26, 0x03ee,
+  0x2f27, 0x039d,
+  0x2f28, 0x039f,
+  0x2f29, 0x03a1,
+  0x2f2a, 0x03a3,
+  0x2f2b, 0x03a5,
+  0x2f2c, 0x03df,
+  0x2f2d, 0x03e1,
+  0x2f2e, 0x03e3,
+  0x2f2f, 0x03bf,
+  0x2f30, 0x0294,
+  0x2f31, 0x039e,
+  0x2f32, 0x03a0,
+  0x2f33, 0x03a2,
+  0x2f34, 0x03a4,
+  0x2f35, 0x03a6,
+  0x2f37, 0x03a9,
+  0x2f38, 0x03ab,
+  0x2f39, 0x03ad,
+  0x2f3a, 0x03af,
+  0x2f3b, 0x03b1,
+  0x2f3c, 0x03b3,
+  0x2f3d, 0x03b5,
+  0x2f3e, 0x03b7,
+  0x2f3f, 0x03b9,
+  0x2f40, 0x03bb,
+  0x2f41, 0x03bd,
+  0x2f42, 0x03c0,
+  0x2f43, 0x03c2,
+  0x2f44, 0x03c4,
+  0x2f45, 0x03c6,
+  0x2f4b, 0x03ce,
+  0x2f4c, 0x03d1,
+  0x2f4d, 0x03d4,
+  0x2f4e, 0x03d7,
+  0x2f4f, 0x03da,
+  0x2f54, 0x03e0,
+  0x2f55, 0x03e2,
+  0x2f56, 0x03e4,
+  0x2f5c, 0x03eb,
+  0x2f5d, 0x03ef,
+  0x2f5e, 0x0283,
+  0x2f60, 0x03ec,
+  0x2f62, 0x03ea,
+  0x2f63, 0x03f1,
+  0x2f65, 0x03f0,
+  0x2f66, 0x03a8,
+  0x2f67, 0x03aa,
+  0x2f68, 0x03ac,
+  0x2f69, 0x03ae,
+  0x2f6a, 0x03b0,
+  0x2f6b, 0x03b2,
+  0x2f6c, 0x03b4,
+  0x2f6d, 0x03b6,
+  0x2f6e, 0x03b8,
+  0x2f6f, 0x03ba,
+  0x2f70, 0x03bc,
+  0x2f71, 0x03be,
+  0x2f72, 0x03c1,
+  0x2f73, 0x03c3,
+  0x2f74, 0x03c5,
+  0x2f75, 0x03cc,
+  0x2f77, 0x03cf,
+  0x2f79, 0x03d2,
+  0x2f7b, 0x03d5,
+  0x2f7d, 0x03d8,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3033, 0x1ca2,
+  0x3034, 0x0478,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1dd8,
+  0x313a, 0x04dc,
+  0x313c, 0x1dd9,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x1cc9,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x327d, 0x1de1,
+  0x327e, 0x057e,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x3342, 0x1961,
+  0x3343, 0x05a1,
+  0x3349, 0x139f,
+  0x334a, 0x05a8,
+  0x3365, 0x1de3,
+  0x3366, 0x05c4,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x3376, 0x1731,
+  0x3377, 0x05d5,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x1572,
+  0x3444, 0x0600,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3452, 0x1a20,
+  0x3453, 0x060f,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3646, 0x1d32,
+  0x3647, 0x06bf,
+  0x364f, 0x1dee,
+  0x3650, 0x06c8,
+  0x366d, 0x1def,
+  0x366e, 0x06e6,
+  0x3674, 0x1df0,
+  0x3675, 0x06ed,
+  0x367b, 0x1df1,
+  0x367c, 0x06f4,
+  0x367d, 0x1df2,
+  0x367e, 0x06f6,
+  0x3721, 0x06f7,
+  0x3724, 0x1df3,
+  0x3725, 0x06fb,
+  0x3737, 0x1df4,
+  0x3738, 0x070e,
+  0x3745, 0x1df5,
+  0x3746, 0x071c,
+  0x374e, 0x1df6,
+  0x374f, 0x0725,
+  0x3752, 0x1df7,
+  0x3753, 0x0729,
+  0x3755, 0x1df8,
+  0x3756, 0x072c,
+  0x375b, 0x1c0d,
+  0x375c, 0x0732,
+  0x3764, 0x1df9,
+  0x3765, 0x073b,
+  0x3771, 0x1dfa,
+  0x3772, 0x0748,
+  0x3779, 0x1dfb,
+  0x377a, 0x0750,
+  0x377e, 0x1dfc,
+  0x3821, 0x0755,
+  0x3834, 0x1dfd,
+  0x3835, 0x0769,
+  0x3841, 0x1dfe,
+  0x3842, 0x0776,
+  0x3921, 0x07b3,
+  0x392b, 0x1dff,
+  0x392c, 0x07be,
+  0x3937, 0x1e00,
+  0x3938, 0x07ca,
+  0x3942, 0x1e01,
+  0x3943, 0x07d5,
+  0x395c, 0x16dd,
+  0x395d, 0x07ef,
+  0x396d, 0x1e02,
+  0x396e, 0x0800,
+  0x3974, 0x1e03,
+  0x3975, 0x0807,
+  0x3979, 0x1e04,
+  0x397a, 0x080c,
+  0x3a21, 0x0811,
+  0x3a53, 0x1e05,
+  0x3a54, 0x0844,
+  0x3a67, 0x1e06,
+  0x3a68, 0x0858,
+  0x3a74, 0x1e07,
+  0x3a75, 0x0865,
+  0x3b21, 0x086f,
+  0x3b27, 0x1e08,
+  0x3b28, 0x0876,
+  0x3b2a, 0x1e09,
+  0x3b2b, 0x0879,
+  0x3b2c, 0x1e0a,
+  0x3b2d, 0x087b,
+  0x3b39, 0x1e0b,
+  0x3b3a, 0x0888,
+  0x3c21, 0x08cd,
+  0x3c38, 0x1e0c,
+  0x3c39, 0x08e5,
+  0x3c48, 0x1e0d,
+  0x3c49, 0x1929,
+  0x3c4a, 0x08f6,
+  0x3c57, 0x1e0e,
+  0x3c58, 0x0904,
+  0x3c5d, 0x1e0f,
+  0x3c5f, 0x090b,
+  0x3d21, 0x092b,
+  0x3d2b, 0x1e11,
+  0x3d2c, 0x0936,
+  0x3d36, 0x1e12,
+  0x3d37, 0x0941,
+  0x3d6c, 0x1e13,
+  0x3d6e, 0x0978,
+  0x3d72, 0x1e15,
+  0x3d74, 0x097e,
+  0x3e21, 0x0989,
+  0x3e25, 0x1e17,
+  0x3e26, 0x098e,
+  0x3e33, 0x1e18,
+  0x3e34, 0x099c,
+  0x3e3f, 0x1e19,
+  0x3e40, 0x09a8,
+  0x3e55, 0x1e1a,
+  0x3e56, 0x09be,
+  0x3e5f, 0x1e1b,
+  0x3e60, 0x09c8,
+  0x3e64, 0x1e1c,
+  0x3e65, 0x09cd,
+  0x3f21, 0x09e7,
+  0x3f2a, 0x1e1d,
+  0x3f2b, 0x09f1,
+  0x3f59, 0x1e1e,
+  0x3f5a, 0x0a20,
+  0x3f60, 0x1e1f,
+  0x3f61, 0x0a27,
+  0x3f69, 0x1e20,
+  0x3f6a, 0x0a30,
+  0x4021, 0x0a45,
+  0x4022, 0x1e21,
+  0x4023, 0x0a47,
+  0x4042, 0x1e22,
+  0x4043, 0x0a67,
+  0x4066, 0x1e23,
+  0x4067, 0x0a8b,
+  0x4071, 0x1e24,
+  0x4073, 0x0a97,
+  0x4079, 0x1e26,
+  0x407b, 0x0a9f,
+  0x4121, 0x0aa3,
+  0x4127, 0x1e28,
+  0x4128, 0x1a6e,
+  0x4129, 0x0aab,
+  0x4139, 0x1e29,
+  0x413a, 0x0abc,
+  0x414c, 0x1e2a,
+  0x414d, 0x0acf,
+  0x414f, 0x1e2b,
+  0x4150, 0x0ad2,
+  0x415f, 0x1e2c,
+  0x4160, 0x0ae2,
+  0x4169, 0x1e2d,
+  0x416a, 0x0aec,
+  0x4221, 0x0b01,
+  0x423d, 0x1e2e,
+  0x423e, 0x0b1e,
+  0x424d, 0x1e2f,
+  0x424e, 0x0b2e,
+  0x425c, 0x1e30,
+  0x425d, 0x0b3d,
+  0x4263, 0x1e31,
+  0x4264, 0x0b44,
+  0x426f, 0x1e32,
+  0x4270, 0x0b50,
+  0x4275, 0x1e33,
+  0x4277, 0x0b57,
+  0x427d, 0x1e35,
+  0x427e, 0x0b5e,
+  0x4321, 0x0b5f,
+  0x4327, 0x1e36,
+  0x4328, 0x0b66,
+  0x4329, 0x1e37,
+  0x432b, 0x0b69,
+  0x432d, 0x1e39,
+  0x432f, 0x0b6d,
+  0x433d, 0x1e3b,
+  0x433e, 0x0b7c,
+  0x4370, 0x1e3c,
+  0x4371, 0x0baf,
+  0x4375, 0x1e3d,
+  0x4376, 0x0bb4,
+  0x437c, 0x1e3e,
+  0x437d, 0x0bbb,
+  0x4421, 0x0bbd,
+  0x443d, 0x1e3f,
+  0x443e, 0x0bda,
+  0x4448, 0x1e40,
+  0x4449, 0x0be5,
+  0x444a, 0x1e41,
+  0x444b, 0x0be7,
+  0x444d, 0x1e42,
+  0x444e, 0x0bea,
+  0x444f, 0x1e43,
+  0x4450, 0x0bec,
+  0x445b, 0x11b5,
+  0x445c, 0x0bf8,
+  0x4521, 0x0c1b,
+  0x4522, 0x1e44,
+  0x4523, 0x0c1d,
+  0x4527, 0x1e45,
+  0x4528, 0x0c22,
+  0x452e, 0x1e46,
+  0x452f, 0x0c29,
+  0x4536, 0x1e47,
+  0x4537, 0x0c31,
+  0x453f, 0x1e48,
+  0x4540, 0x0c3a,
+  0x4548, 0x1e49,
+  0x4549, 0x0c43,
+  0x454b, 0x1e4a,
+  0x454c, 0x0c46,
+  0x4551, 0x1e4b,
+  0x4553, 0x0c4d,
+  0x4557, 0x16df,
+  0x4558, 0x0c52,
+  0x4564, 0x1e4d,
+  0x4565, 0x0c5f,
+  0x456e, 0x1450,
+  0x456f, 0x0c69,
+  0x4573, 0x1536,
+  0x4574, 0x0c6e,
+  0x4578, 0x1e4e,
+  0x4579, 0x0c73,
+  0x4621, 0x0c79,
+  0x463e, 0x1e4f,
+  0x463f, 0x0c97,
+  0x4642, 0x1e50,
+  0x4643, 0x0c9b,
+  0x4654, 0x1e51,
+  0x4656, 0x0cae,
+  0x465b, 0x1e53,
+  0x465d, 0x0cb5,
+  0x4661, 0x1e55,
+  0x4662, 0x0cba,
+  0x4666, 0x1e56,
+  0x4668, 0x0cc0,
+  0x466a, 0x1e58,
+  0x466b, 0x0cc3,
+  0x4676, 0x1aed,
+  0x4677, 0x0ccf,
+  0x4721, 0x0cd7,
+  0x4729, 0x1e59,
+  0x472a, 0x0ce0,
+  0x4739, 0x1e5a,
+  0x473a, 0x0cf0,
+  0x4757, 0x1e5b,
+  0x4758, 0x0d0e,
+  0x4767, 0x1e5c,
+  0x4768, 0x1989,
+  0x4769, 0x1e5d,
+  0x476a, 0x0d20,
+  0x476d, 0x1e5e,
+  0x476e, 0x0d24,
+  0x4821, 0x0d35,
+  0x4824, 0x1e5f,
+  0x4825, 0x0d39,
+  0x482e, 0x1e60,
+  0x482f, 0x0d43,
+  0x4830, 0x1e61,
+  0x4831, 0x0d45,
+  0x4854, 0x1e62,
+  0x4855, 0x0d69,
+  0x4862, 0x1e63,
+  0x4863, 0x0d77,
+  0x4875, 0x1e64,
+  0x4876, 0x0d8a,
+  0x4921, 0x0d93,
+  0x4922, 0x1e65,
+  0x4924, 0x0d96,
+  0x492f, 0x1e67,
+  0x4930, 0x143b,
+  0x4931, 0x0da3,
+  0x4932, 0x1e68,
+  0x4933, 0x0da5,
+  0x4935, 0x1e69,
+  0x4936, 0x0da8,
+  0x4940, 0x1e6a,
+  0x4941, 0x0db3,
+  0x494e, 0x1e6b,
+  0x494f, 0x0dc1,
+  0x4951, 0x1e6c,
+  0x4952, 0x0dc4,
+  0x4a21, 0x0df1,
+  0x4a43, 0x1e6d,
+  0x4a44, 0x0e14,
+  0x4a4d, 0x1e6e,
+  0x4a4e, 0x0e1e,
+  0x4a5a, 0x1e6f,
+  0x4a5b, 0x0e2b,
+  0x4a79, 0x1e70,
+  0x4a7a, 0x0e4a,
+  0x4b21, 0x0e4f,
+  0x4b22, 0x1e71,
+  0x4b23, 0x0e51,
+  0x4b29, 0x1e72,
+  0x4b2a, 0x0e58,
+  0x4b4b, 0x1e73,
+  0x4b4c, 0x0e7a,
+  0x4b6a, 0x1d33,
+  0x4b6b, 0x0e99,
+  0x4b70, 0x1e74,
+  0x4b71, 0x0e9f,
+  0x4b79, 0x102f,
+  0x4b7a, 0x0ea8,
+  0x4c21, 0x0ead,
+  0x4c4d, 0x1e75,
+  0x4c4e, 0x0eda,
+  0x4c59, 0x1e76,
+  0x4c5a, 0x0ee6,
+  0x4c5f, 0x1e77,
+  0x4c60, 0x0eec,
+  0x4c62, 0x1e78,
+  0x4c63, 0x0eef,
+  0x4c79, 0x1935,
+  0x4c7a, 0x1e79,
+  0x4c7b, 0x0f07,
+  0x4c7c, 0x1e7a,
+  0x4c7d, 0x0f09,
+  0x4c7e, 0x1e7b,
+  0x4d21, 0x0f0b,
+  0x4d32, 0x1e7c,
+  0x4d33, 0x0f1d,
+  0x4d50, 0x1e7d,
+  0x4d51, 0x0f3b,
+  0x4d54, 0x1e7e,
+  0x4d55, 0x0f3f,
+  0x4d5a, 0x1d34,
+  0x4d5b, 0x0f45,
+  0x4d69, 0x1e7f,
+  0x4d6a, 0x0f54,
+  0x4e21, 0x0f69,
+  0x4e4b, 0x1e80,
+  0x4e4c, 0x0f94,
+  0x4e7a, 0x1e81,
+  0x4e7c, 0x0fc4,
+  0x4f21, 0x1e83,
+  0x4f22, 0x0fc8,
+  0x4f31, 0x1e84,
+  0x4f32, 0x0fd8,
+  0x4f36, 0x1777,
+  0x4f37, 0x0fdd,
+  0x4f39, 0x1e85,
+  0x4f3a, 0x0fe0,
+  0x5021, 0x0ffa,
+  0x5056, 0x0ea7,
+  0x5057, 0x1030,
+  0x5121, 0x1058,
+  0x513d, 0x1e86,
+  0x513e, 0x1075,
+  0x5147, 0x1e87,
+  0x5148, 0x107f,
+  0x514b, 0x1e88,
+  0x514c, 0x1083,
+  0x514d, 0x1e89,
+  0x514e, 0x1085,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5330, 0x1e8a,
+  0x5331, 0x1124,
+  0x533a, 0x1e8b,
+  0x533b, 0x112e,
+  0x5350, 0x1e8c,
+  0x5351, 0x1144,
+  0x535e, 0x1e8d,
+  0x535f, 0x1152,
+  0x536b, 0x1e8e,
+  0x536c, 0x115f,
+  0x5421, 0x1172,
+  0x5444, 0x1e8f,
+  0x5445, 0x1196,
+  0x5464, 0x0bf7,
+  0x5465, 0x11b6,
+  0x5521, 0x11d0,
+  0x553d, 0x1e90,
+  0x553e, 0x11ed,
+  0x5563, 0x1e91,
+  0x5564, 0x1213,
+  0x5621, 0x122e,
+  0x5622, 0x1e92,
+  0x5623, 0x1230,
+  0x5672, 0x1e93,
+  0x5673, 0x1280,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5824, 0x1e94,
+  0x5825, 0x12ee,
+  0x5921, 0x1348,
+  0x5960, 0x1e95,
+  0x5961, 0x1388,
+  0x596c, 0x1e96,
+  0x596d, 0x1394,
+  0x5978, 0x05a7,
+  0x5979, 0x13a0,
+  0x5a21, 0x13a6,
+  0x5a39, 0x1e97,
+  0x5a3a, 0x13bf,
+  0x5a4d, 0x1e98,
+  0x5a4e, 0x13d3,
+  0x5b21, 0x1404,
+  0x5b45, 0x1e99,
+  0x5b46, 0x1429,
+  0x5b4a, 0x1e9a,
+  0x5b4b, 0x142e,
+  0x5b58, 0x0da2,
+  0x5b59, 0x143c,
+  0x5b6b, 0x1e9b,
+  0x5b6c, 0x144f,
+  0x5b6d, 0x0c68,
+  0x5b6e, 0x1451,
+  0x5b74, 0x1e9c,
+  0x5b75, 0x1458,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5e39, 0x0c6d,
+  0x5e3a, 0x1537,
+  0x5e50, 0x1e9d,
+  0x5e51, 0x154e,
+  0x5e75, 0x05ff,
+  0x5e76, 0x1573,
+  0x5f21, 0x157c,
+  0x5f73, 0x1e9e,
+  0x5f74, 0x15cf,
+  0x6021, 0x15da,
+  0x6026, 0x1e9f,
+  0x6027, 0x15e0,
+  0x605f, 0x1ea0,
+  0x6060, 0x1619,
+  0x6076, 0x1d35,
+  0x6077, 0x1630,
+  0x6121, 0x1638,
+  0x612b, 0x1ea1,
+  0x612c, 0x1643,
+  0x6130, 0x1ea2,
+  0x6132, 0x1649,
+  0x6221, 0x1696,
+  0x622b, 0x1ea4,
+  0x622c, 0x16a1,
+  0x6268, 0x07ee,
+  0x6269, 0x16de,
+  0x626a, 0x0c51,
+  0x626b, 0x16e0,
+  0x626f, 0x1ea5,
+  0x6270, 0x16e5,
+  0x6321, 0x16f4,
+  0x634a, 0x1ea6,
+  0x634b, 0x171e,
+  0x6354, 0x1ea7,
+  0x6355, 0x1728,
+  0x635e, 0x05d4,
+  0x635f, 0x1732,
+  0x6421, 0x1752,
+  0x6439, 0x1ea8,
+  0x643a, 0x176b,
+  0x6446, 0x0fdc,
+  0x6447, 0x1778,
+  0x6464, 0x1ea9,
+  0x6465, 0x1796,
+  0x646e, 0x1eaa,
+  0x646f, 0x17a0,
+  0x6521, 0x17b0,
+  0x6539, 0x1eab,
+  0x653a, 0x17c9,
+  0x653b, 0x1eac,
+  0x653c, 0x17cb,
+  0x6546, 0x1ead,
+  0x6547, 0x17d6,
+  0x6621, 0x180e,
+  0x6646, 0x1eae,
+  0x6647, 0x1834,
+  0x6721, 0x186c,
+  0x6764, 0x1eaf,
+  0x6765, 0x18b0,
+  0x6769, 0x1eb0,
+  0x676a, 0x18b5,
+  0x6772, 0x1eb1,
+  0x6773, 0x18be,
+  0x6821, 0x18ca,
+  0x6834, 0x1eb2,
+  0x6835, 0x18de,
+  0x683b, 0x1eb3,
+  0x683c, 0x18e5,
+  0x6874, 0x1eb4,
+  0x6875, 0x191e,
+  0x6921, 0x1928,
+  0x6922, 0x08f5,
+  0x6923, 0x192a,
+  0x692e, 0x0f05,
+  0x692f, 0x1936,
+  0x693c, 0x1eb5,
+  0x693d, 0x1944,
+  0x695a, 0x05a0,
+  0x695b, 0x1962,
+  0x6a21, 0x1986,
+  0x6a24, 0x0d1e,
+  0x6a25, 0x198a,
+  0x6a27, 0x1eb6,
+  0x6a28, 0x198d,
+  0x6a3d, 0x1eb7,
+  0x6a3e, 0x19a3,
+  0x6a6f, 0x1eb8,
+  0x6a70, 0x19d5,
+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b5d, 0x060e,
+  0x6b5e, 0x1a21,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6b76, 0x1ebb,
+  0x6b77, 0x1a3a,
+  0x6c21, 0x1a42,
+  0x6c4d, 0x0aaa,
+  0x6c4e, 0x1a6f,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6c74, 0x1ebd,
+  0x6c75, 0x1a96,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6d6c, 0x1ebf,
+  0x6d6d, 0x1aec,
+  0x6d6e, 0x1ec0,
+  0x6d6f, 0x1aee,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6e57, 0x1ec3,
+  0x6e58, 0x1b35,
+  0x6f21, 0x1b5c,
+  0x6f65, 0x1ec4,
+  0x6f66, 0x1ba1,
+  0x7021, 0x1bba,
+  0x7033, 0x1ec5,
+  0x7034, 0x1bcd,
+  0x7045, 0x1ec6,
+  0x7046, 0x1bdf,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7057, 0x1ec8,
+  0x7058, 0x1bf1,
+  0x7074, 0x0731,
+  0x7075, 0x1ec9,
+  0x7076, 0x1c0f,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724d, 0x0477,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7274, 0x0529,
+  0x7275, 0x1cca,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1d05,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12NWPHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12NWPHMap2, 761
+};
+
+static Gushort japan12NWPVMap2[1618] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2169, 0x1d36,
+  0x216a, 0x02c2,
+  0x2221, 0x02d7,
+  0x223a, 0x02e5,
+  0x224a, 0x02ed,
+  0x225c, 0x02f4,
+  0x2272, 0x0303,
+  0x227e, 0x030b,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2921, 0x00e8,
+  0x2960, 0x0186,
+  0x2961, 0x0128,
+  0x2a21, 0x0147,
+  0x2a60, 0x0187,
+  0x2b21, 0x01a6,
+  0x2b72, 0x0127,
+  0x2b73, 0x01f7,
+  0x2c24, 0x1d37,
+  0x2d21, 0x1d83,
+  0x2d40, 0x1da1,
+  0x2d60, 0x1db8,
+  0x2d70, 0x02fa,
+  0x2d71, 0x02f9,
+  0x2d72, 0x0301,
+  0x2d73, 0x1dc8,
+  0x2d7a, 0x0300,
+  0x2d7b, 0x1dcf,
+  0x2e21, 0x0282,
+  0x2e22, 0x02a1,
+  0x2e23, 0x0305,
+  0x2e24, 0x02c8,
+  0x2e25, 0x02cb,
+  0x2e26, 0x02cd,
+  0x2e27, 0x029f,
+  0x2e28, 0x02a2,
+  0x2e2a, 0x02ce,
+  0x2e2b, 0x02b4,
+  0x2e2c, 0x027c,
+  0x2e2d, 0x02b5,
+  0x2e2e, 0x027d,
+  0x2e2f, 0x0297,
+  0x2e30, 0x030c,
+  0x2e3a, 0x027f,
+  0x2e3c, 0x02bb,
+  0x2e3d, 0x02b9,
+  0x2e3e, 0x02bc,
+  0x2e3f, 0x0281,
+  0x2e40, 0x02cf,
+  0x2e41, 0x0316,
+  0x2e5b, 0x02a6,
+  0x2e5c, 0x02c7,
+  0x2e5d, 0x02a7,
+  0x2e5e, 0x0288,
+  0x2e5f, 0x028a,
+  0x2e60, 0x0286,
+  0x2e61, 0x0330,
+  0x2e7b, 0x02a8,
+  0x2e7c, 0x029b,
+  0x2e7d, 0x02a9,
+  0x2e7e, 0x0289,
+  0x2f21, 0x027b,
+  0x2f22, 0x02ae,
+  0x2f24, 0x027a,
+  0x2f25, 0x027e,
+  0x2f26, 0x03ee,
+  0x2f27, 0x039d,
+  0x2f28, 0x039f,
+  0x2f29, 0x03a1,
+  0x2f2a, 0x03a3,
+  0x2f2b, 0x03a5,
+  0x2f2c, 0x03df,
+  0x2f2d, 0x03e1,
+  0x2f2e, 0x03e3,
+  0x2f2f, 0x03bf,
+  0x2f30, 0x0294,
+  0x2f31, 0x039e,
+  0x2f32, 0x03a0,
+  0x2f33, 0x03a2,
+  0x2f34, 0x03a4,
+  0x2f35, 0x03a6,
+  0x2f37, 0x03a9,
+  0x2f38, 0x03ab,
+  0x2f39, 0x03ad,
+  0x2f3a, 0x03af,
+  0x2f3b, 0x03b1,
+  0x2f3c, 0x03b3,
+  0x2f3d, 0x03b5,
+  0x2f3e, 0x03b7,
+  0x2f3f, 0x03b9,
+  0x2f40, 0x03bb,
+  0x2f41, 0x03bd,
+  0x2f42, 0x03c0,
+  0x2f43, 0x03c2,
+  0x2f44, 0x03c4,
+  0x2f45, 0x03c6,
+  0x2f4b, 0x03ce,
+  0x2f4c, 0x03d1,
+  0x2f4d, 0x03d4,
+  0x2f4e, 0x03d7,
+  0x2f4f, 0x03da,
+  0x2f54, 0x03e0,
+  0x2f55, 0x03e2,
+  0x2f56, 0x03e4,
+  0x2f5c, 0x03eb,
+  0x2f5d, 0x03ef,
+  0x2f5e, 0x0283,
+  0x2f60, 0x03ec,
+  0x2f62, 0x03ea,
+  0x2f63, 0x03f1,
+  0x2f65, 0x03f0,
+  0x2f66, 0x03a8,
+  0x2f67, 0x03aa,
+  0x2f68, 0x03ac,
+  0x2f69, 0x03ae,
+  0x2f6a, 0x03b0,
+  0x2f6b, 0x03b2,
+  0x2f6c, 0x03b4,
+  0x2f6d, 0x03b6,
+  0x2f6e, 0x03b8,
+  0x2f6f, 0x03ba,
+  0x2f70, 0x03bc,
+  0x2f71, 0x03be,
+  0x2f72, 0x03c1,
+  0x2f73, 0x03c3,
+  0x2f74, 0x03c5,
+  0x2f75, 0x03cc,
+  0x2f77, 0x03cf,
+  0x2f79, 0x03d2,
+  0x2f7b, 0x03d5,
+  0x2f7d, 0x03d8,
+  0x3021, 0x0465,
+  0x3022, 0x1dd1,
+  0x3023, 0x0467,
+  0x3033, 0x1ca2,
+  0x3034, 0x0478,
+  0x303b, 0x1dd2,
+  0x303c, 0x0480,
+  0x306e, 0x1dd3,
+  0x306f, 0x04b3,
+  0x3073, 0x1dd4,
+  0x3074, 0x04b8,
+  0x307c, 0x1dd5,
+  0x307d, 0x04c1,
+  0x3121, 0x04c3,
+  0x312a, 0x1dd6,
+  0x312b, 0x04cd,
+  0x3135, 0x1dd7,
+  0x3136, 0x04d8,
+  0x3139, 0x1dd8,
+  0x313a, 0x04dc,
+  0x313c, 0x1dd9,
+  0x313e, 0x04e0,
+  0x3142, 0x1ddb,
+  0x3143, 0x04e5,
+  0x316b, 0x1ddc,
+  0x316c, 0x050e,
+  0x3221, 0x0521,
+  0x3228, 0x1ddd,
+  0x3229, 0x1cc9,
+  0x322a, 0x1dde,
+  0x322b, 0x052b,
+  0x3260, 0x1ddf,
+  0x3261, 0x0561,
+  0x327a, 0x1de0,
+  0x327b, 0x057b,
+  0x327d, 0x1de1,
+  0x327e, 0x057e,
+  0x3321, 0x057f,
+  0x3322, 0x1de2,
+  0x3323, 0x0581,
+  0x3342, 0x1961,
+  0x3343, 0x05a1,
+  0x3349, 0x139f,
+  0x334a, 0x05a8,
+  0x3365, 0x1de3,
+  0x3366, 0x05c4,
+  0x336b, 0x1de4,
+  0x336c, 0x05ca,
+  0x3373, 0x1de5,
+  0x3374, 0x05d2,
+  0x3376, 0x1731,
+  0x3377, 0x05d5,
+  0x337a, 0x1de6,
+  0x337b, 0x05d9,
+  0x3421, 0x05dd,
+  0x3442, 0x1de7,
+  0x3443, 0x1572,
+  0x3444, 0x0600,
+  0x344d, 0x1de8,
+  0x344e, 0x060a,
+  0x3452, 0x1a20,
+  0x3453, 0x060f,
+  0x3465, 0x1de9,
+  0x3466, 0x0622,
+  0x3521, 0x063b,
+  0x352b, 0x1dea,
+  0x352c, 0x0646,
+  0x3540, 0x1deb,
+  0x3541, 0x065b,
+  0x3621, 0x0699,
+  0x3622, 0x1dec,
+  0x3623, 0x069b,
+  0x362a, 0x1ded,
+  0x362b, 0x06a3,
+  0x3646, 0x1d32,
+  0x3647, 0x06bf,
+  0x364f, 0x1dee,
+  0x3650, 0x06c8,
+  0x366d, 0x1def,
+  0x366e, 0x06e6,
+  0x3674, 0x1df0,
+  0x3675, 0x06ed,
+  0x367b, 0x1df1,
+  0x367c, 0x06f4,
+  0x367d, 0x1df2,
+  0x367e, 0x06f6,
+  0x3721, 0x06f7,
+  0x3724, 0x1df3,
+  0x3725, 0x06fb,
+  0x3737, 0x1df4,
+  0x3738, 0x070e,
+  0x3745, 0x1df5,
+  0x3746, 0x071c,
+  0x374e, 0x1df6,
+  0x374f, 0x0725,
+  0x3752, 0x1df7,
+  0x3753, 0x0729,
+  0x3755, 0x1df8,
+  0x3756, 0x072c,
+  0x375b, 0x1c0d,
+  0x375c, 0x0732,
+  0x3764, 0x1df9,
+  0x3765, 0x073b,
+  0x3771, 0x1dfa,
+  0x3772, 0x0748,
+  0x3779, 0x1dfb,
+  0x377a, 0x0750,
+  0x377e, 0x1dfc,
+  0x3821, 0x0755,
+  0x3834, 0x1dfd,
+  0x3835, 0x0769,
+  0x3841, 0x1dfe,
+  0x3842, 0x0776,
+  0x3921, 0x07b3,
+  0x392b, 0x1dff,
+  0x392c, 0x07be,
+  0x3937, 0x1e00,
+  0x3938, 0x07ca,
+  0x3942, 0x1e01,
+  0x3943, 0x07d5,
+  0x395c, 0x16dd,
+  0x395d, 0x07ef,
+  0x396d, 0x1e02,
+  0x396e, 0x0800,
+  0x3974, 0x1e03,
+  0x3975, 0x0807,
+  0x3979, 0x1e04,
+  0x397a, 0x080c,
+  0x3a21, 0x0811,
+  0x3a53, 0x1e05,
+  0x3a54, 0x0844,
+  0x3a67, 0x1e06,
+  0x3a68, 0x0858,
+  0x3a74, 0x1e07,
+  0x3a75, 0x0865,
+  0x3b21, 0x086f,
+  0x3b27, 0x1e08,
+  0x3b28, 0x0876,
+  0x3b2a, 0x1e09,
+  0x3b2b, 0x0879,
+  0x3b2c, 0x1e0a,
+  0x3b2d, 0x087b,
+  0x3b39, 0x1e0b,
+  0x3b3a, 0x0888,
+  0x3c21, 0x08cd,
+  0x3c38, 0x1e0c,
+  0x3c39, 0x08e5,
+  0x3c48, 0x1e0d,
+  0x3c49, 0x1929,
+  0x3c4a, 0x08f6,
+  0x3c57, 0x1e0e,
+  0x3c58, 0x0904,
+  0x3c5d, 0x1e0f,
+  0x3c5f, 0x090b,
+  0x3d21, 0x092b,
+  0x3d2b, 0x1e11,
+  0x3d2c, 0x0936,
+  0x3d36, 0x1e12,
+  0x3d37, 0x0941,
+  0x3d6c, 0x1e13,
+  0x3d6e, 0x0978,
+  0x3d72, 0x1e15,
+  0x3d74, 0x097e,
+  0x3e21, 0x0989,
+  0x3e25, 0x1e17,
+  0x3e26, 0x098e,
+  0x3e33, 0x1e18,
+  0x3e34, 0x099c,
+  0x3e3f, 0x1e19,
+  0x3e40, 0x09a8,
+  0x3e55, 0x1e1a,
+  0x3e56, 0x09be,
+  0x3e5f, 0x1e1b,
+  0x3e60, 0x09c8,
+  0x3e64, 0x1e1c,
+  0x3e65, 0x09cd,
+  0x3f21, 0x09e7,
+  0x3f2a, 0x1e1d,
+  0x3f2b, 0x09f1,
+  0x3f59, 0x1e1e,
+  0x3f5a, 0x0a20,
+  0x3f60, 0x1e1f,
+  0x3f61, 0x0a27,
+  0x3f69, 0x1e20,
+  0x3f6a, 0x0a30,
+  0x4021, 0x0a45,
+  0x4022, 0x1e21,
+  0x4023, 0x0a47,
+  0x4042, 0x1e22,
+  0x4043, 0x0a67,
+  0x4066, 0x1e23,
+  0x4067, 0x0a8b,
+  0x4071, 0x1e24,
+  0x4073, 0x0a97,
+  0x4079, 0x1e26,
+  0x407b, 0x0a9f,
+  0x4121, 0x0aa3,
+  0x4127, 0x1e28,
+  0x4128, 0x1a6e,
+  0x4129, 0x0aab,
+  0x4139, 0x1e29,
+  0x413a, 0x0abc,
+  0x414c, 0x1e2a,
+  0x414d, 0x0acf,
+  0x414f, 0x1e2b,
+  0x4150, 0x0ad2,
+  0x415f, 0x1e2c,
+  0x4160, 0x0ae2,
+  0x4169, 0x1e2d,
+  0x416a, 0x0aec,
+  0x4221, 0x0b01,
+  0x423d, 0x1e2e,
+  0x423e, 0x0b1e,
+  0x424d, 0x1e2f,
+  0x424e, 0x0b2e,
+  0x425c, 0x1e30,
+  0x425d, 0x0b3d,
+  0x4263, 0x1e31,
+  0x4264, 0x0b44,
+  0x426f, 0x1e32,
+  0x4270, 0x0b50,
+  0x4275, 0x1e33,
+  0x4277, 0x0b57,
+  0x427d, 0x1e35,
+  0x427e, 0x0b5e,
+  0x4321, 0x0b5f,
+  0x4327, 0x1e36,
+  0x4328, 0x0b66,
+  0x4329, 0x1e37,
+  0x432b, 0x0b69,
+  0x432d, 0x1e39,
+  0x432f, 0x0b6d,
+  0x433d, 0x1e3b,
+  0x433e, 0x0b7c,
+  0x4370, 0x1e3c,
+  0x4371, 0x0baf,
+  0x4375, 0x1e3d,
+  0x4376, 0x0bb4,
+  0x437c, 0x1e3e,
+  0x437d, 0x0bbb,
+  0x4421, 0x0bbd,
+  0x443d, 0x1e3f,
+  0x443e, 0x0bda,
+  0x4448, 0x1e40,
+  0x4449, 0x0be5,
+  0x444a, 0x1e41,
+  0x444b, 0x0be7,
+  0x444d, 0x1e42,
+  0x444e, 0x0bea,
+  0x444f, 0x1e43,
+  0x4450, 0x0bec,
+  0x445b, 0x11b5,
+  0x445c, 0x0bf8,
+  0x4521, 0x0c1b,
+  0x4522, 0x1e44,
+  0x4523, 0x0c1d,
+  0x4527, 0x1e45,
+  0x4528, 0x0c22,
+  0x452e, 0x1e46,
+  0x452f, 0x0c29,
+  0x4536, 0x1e47,
+  0x4537, 0x0c31,
+  0x453f, 0x1e48,
+  0x4540, 0x0c3a,
+  0x4548, 0x1e49,
+  0x4549, 0x0c43,
+  0x454b, 0x1e4a,
+  0x454c, 0x0c46,
+  0x4551, 0x1e4b,
+  0x4553, 0x0c4d,
+  0x4557, 0x16df,
+  0x4558, 0x0c52,
+  0x4564, 0x1e4d,
+  0x4565, 0x0c5f,
+  0x456e, 0x1450,
+  0x456f, 0x0c69,
+  0x4573, 0x1536,
+  0x4574, 0x0c6e,
+  0x4578, 0x1e4e,
+  0x4579, 0x0c73,
+  0x4621, 0x0c79,
+  0x463e, 0x1e4f,
+  0x463f, 0x0c97,
+  0x4642, 0x1e50,
+  0x4643, 0x0c9b,
+  0x4654, 0x1e51,
+  0x4656, 0x0cae,
+  0x465b, 0x1e53,
+  0x465d, 0x0cb5,
+  0x4661, 0x1e55,
+  0x4662, 0x0cba,
+  0x4666, 0x1e56,
+  0x4668, 0x0cc0,
+  0x466a, 0x1e58,
+  0x466b, 0x0cc3,
+  0x4676, 0x1aed,
+  0x4677, 0x0ccf,
+  0x4721, 0x0cd7,
+  0x4729, 0x1e59,
+  0x472a, 0x0ce0,
+  0x4739, 0x1e5a,
+  0x473a, 0x0cf0,
+  0x4757, 0x1e5b,
+  0x4758, 0x0d0e,
+  0x4767, 0x1e5c,
+  0x4768, 0x1989,
+  0x4769, 0x1e5d,
+  0x476a, 0x0d20,
+  0x476d, 0x1e5e,
+  0x476e, 0x0d24,
+  0x4821, 0x0d35,
+  0x4824, 0x1e5f,
+  0x4825, 0x0d39,
+  0x482e, 0x1e60,
+  0x482f, 0x0d43,
+  0x4830, 0x1e61,
+  0x4831, 0x0d45,
+  0x4854, 0x1e62,
+  0x4855, 0x0d69,
+  0x4862, 0x1e63,
+  0x4863, 0x0d77,
+  0x4875, 0x1e64,
+  0x4876, 0x0d8a,
+  0x4921, 0x0d93,
+  0x4922, 0x1e65,
+  0x4924, 0x0d96,
+  0x492f, 0x1e67,
+  0x4930, 0x143b,
+  0x4931, 0x0da3,
+  0x4932, 0x1e68,
+  0x4933, 0x0da5,
+  0x4935, 0x1e69,
+  0x4936, 0x0da8,
+  0x4940, 0x1e6a,
+  0x4941, 0x0db3,
+  0x494e, 0x1e6b,
+  0x494f, 0x0dc1,
+  0x4951, 0x1e6c,
+  0x4952, 0x0dc4,
+  0x4a21, 0x0df1,
+  0x4a43, 0x1e6d,
+  0x4a44, 0x0e14,
+  0x4a4d, 0x1e6e,
+  0x4a4e, 0x0e1e,
+  0x4a5a, 0x1e6f,
+  0x4a5b, 0x0e2b,
+  0x4a79, 0x1e70,
+  0x4a7a, 0x0e4a,
+  0x4b21, 0x0e4f,
+  0x4b22, 0x1e71,
+  0x4b23, 0x0e51,
+  0x4b29, 0x1e72,
+  0x4b2a, 0x0e58,
+  0x4b4b, 0x1e73,
+  0x4b4c, 0x0e7a,
+  0x4b6a, 0x1d33,
+  0x4b6b, 0x0e99,
+  0x4b70, 0x1e74,
+  0x4b71, 0x0e9f,
+  0x4b79, 0x102f,
+  0x4b7a, 0x0ea8,
+  0x4c21, 0x0ead,
+  0x4c4d, 0x1e75,
+  0x4c4e, 0x0eda,
+  0x4c59, 0x1e76,
+  0x4c5a, 0x0ee6,
+  0x4c5f, 0x1e77,
+  0x4c60, 0x0eec,
+  0x4c62, 0x1e78,
+  0x4c63, 0x0eef,
+  0x4c79, 0x1935,
+  0x4c7a, 0x1e79,
+  0x4c7b, 0x0f07,
+  0x4c7c, 0x1e7a,
+  0x4c7d, 0x0f09,
+  0x4c7e, 0x1e7b,
+  0x4d21, 0x0f0b,
+  0x4d32, 0x1e7c,
+  0x4d33, 0x0f1d,
+  0x4d50, 0x1e7d,
+  0x4d51, 0x0f3b,
+  0x4d54, 0x1e7e,
+  0x4d55, 0x0f3f,
+  0x4d5a, 0x1d34,
+  0x4d5b, 0x0f45,
+  0x4d69, 0x1e7f,
+  0x4d6a, 0x0f54,
+  0x4e21, 0x0f69,
+  0x4e4b, 0x1e80,
+  0x4e4c, 0x0f94,
+  0x4e7a, 0x1e81,
+  0x4e7c, 0x0fc4,
+  0x4f21, 0x1e83,
+  0x4f22, 0x0fc8,
+  0x4f31, 0x1e84,
+  0x4f32, 0x0fd8,
+  0x4f36, 0x1777,
+  0x4f37, 0x0fdd,
+  0x4f39, 0x1e85,
+  0x4f3a, 0x0fe0,
+  0x5021, 0x0ffa,
+  0x5056, 0x0ea7,
+  0x5057, 0x1030,
+  0x5121, 0x1058,
+  0x513d, 0x1e86,
+  0x513e, 0x1075,
+  0x5147, 0x1e87,
+  0x5148, 0x107f,
+  0x514b, 0x1e88,
+  0x514c, 0x1083,
+  0x514d, 0x1e89,
+  0x514e, 0x1085,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5330, 0x1e8a,
+  0x5331, 0x1124,
+  0x533a, 0x1e8b,
+  0x533b, 0x112e,
+  0x5350, 0x1e8c,
+  0x5351, 0x1144,
+  0x535e, 0x1e8d,
+  0x535f, 0x1152,
+  0x536b, 0x1e8e,
+  0x536c, 0x115f,
+  0x5421, 0x1172,
+  0x5444, 0x1e8f,
+  0x5445, 0x1196,
+  0x5464, 0x0bf7,
+  0x5465, 0x11b6,
+  0x5521, 0x11d0,
+  0x553d, 0x1e90,
+  0x553e, 0x11ed,
+  0x5563, 0x1e91,
+  0x5564, 0x1213,
+  0x5621, 0x122e,
+  0x5622, 0x1e92,
+  0x5623, 0x1230,
+  0x5672, 0x1e93,
+  0x5673, 0x1280,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5824, 0x1e94,
+  0x5825, 0x12ee,
+  0x5921, 0x1348,
+  0x5960, 0x1e95,
+  0x5961, 0x1388,
+  0x596c, 0x1e96,
+  0x596d, 0x1394,
+  0x5978, 0x05a7,
+  0x5979, 0x13a0,
+  0x5a21, 0x13a6,
+  0x5a39, 0x1e97,
+  0x5a3a, 0x13bf,
+  0x5a4d, 0x1e98,
+  0x5a4e, 0x13d3,
+  0x5b21, 0x1404,
+  0x5b45, 0x1e99,
+  0x5b46, 0x1429,
+  0x5b4a, 0x1e9a,
+  0x5b4b, 0x142e,
+  0x5b58, 0x0da2,
+  0x5b59, 0x143c,
+  0x5b6b, 0x1e9b,
+  0x5b6c, 0x144f,
+  0x5b6d, 0x0c68,
+  0x5b6e, 0x1451,
+  0x5b74, 0x1e9c,
+  0x5b75, 0x1458,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5e39, 0x0c6d,
+  0x5e3a, 0x1537,
+  0x5e50, 0x1e9d,
+  0x5e51, 0x154e,
+  0x5e75, 0x05ff,
+  0x5e76, 0x1573,
+  0x5f21, 0x157c,
+  0x5f73, 0x1e9e,
+  0x5f74, 0x15cf,
+  0x6021, 0x15da,
+  0x6026, 0x1e9f,
+  0x6027, 0x15e0,
+  0x605f, 0x1ea0,
+  0x6060, 0x1619,
+  0x6076, 0x1d35,
+  0x6077, 0x1630,
+  0x6121, 0x1638,
+  0x612b, 0x1ea1,
+  0x612c, 0x1643,
+  0x6130, 0x1ea2,
+  0x6132, 0x1649,
+  0x6221, 0x1696,
+  0x622b, 0x1ea4,
+  0x622c, 0x16a1,
+  0x6268, 0x07ee,
+  0x6269, 0x16de,
+  0x626a, 0x0c51,
+  0x626b, 0x16e0,
+  0x626f, 0x1ea5,
+  0x6270, 0x16e5,
+  0x6321, 0x16f4,
+  0x634a, 0x1ea6,
+  0x634b, 0x171e,
+  0x6354, 0x1ea7,
+  0x6355, 0x1728,
+  0x635e, 0x05d4,
+  0x635f, 0x1732,
+  0x6421, 0x1752,
+  0x6439, 0x1ea8,
+  0x643a, 0x176b,
+  0x6446, 0x0fdc,
+  0x6447, 0x1778,
+  0x6464, 0x1ea9,
+  0x6465, 0x1796,
+  0x646e, 0x1eaa,
+  0x646f, 0x17a0,
+  0x6521, 0x17b0,
+  0x6539, 0x1eab,
+  0x653a, 0x17c9,
+  0x653b, 0x1eac,
+  0x653c, 0x17cb,
+  0x6546, 0x1ead,
+  0x6547, 0x17d6,
+  0x6621, 0x180e,
+  0x6646, 0x1eae,
+  0x6647, 0x1834,
+  0x6721, 0x186c,
+  0x6764, 0x1eaf,
+  0x6765, 0x18b0,
+  0x6769, 0x1eb0,
+  0x676a, 0x18b5,
+  0x6772, 0x1eb1,
+  0x6773, 0x18be,
+  0x6821, 0x18ca,
+  0x6834, 0x1eb2,
+  0x6835, 0x18de,
+  0x683b, 0x1eb3,
+  0x683c, 0x18e5,
+  0x6874, 0x1eb4,
+  0x6875, 0x191e,
+  0x6921, 0x1928,
+  0x6922, 0x08f5,
+  0x6923, 0x192a,
+  0x692e, 0x0f05,
+  0x692f, 0x1936,
+  0x693c, 0x1eb5,
+  0x693d, 0x1944,
+  0x695a, 0x05a0,
+  0x695b, 0x1962,
+  0x6a21, 0x1986,
+  0x6a24, 0x0d1e,
+  0x6a25, 0x198a,
+  0x6a27, 0x1eb6,
+  0x6a28, 0x198d,
+  0x6a3d, 0x1eb7,
+  0x6a3e, 0x19a3,
+  0x6a6f, 0x1eb8,
+  0x6a70, 0x19d5,
+  0x6b21, 0x19e4,
+  0x6b32, 0x1eb9,
+  0x6b33, 0x19f6,
+  0x6b5d, 0x060e,
+  0x6b5e, 0x1a21,
+  0x6b66, 0x1eba,
+  0x6b67, 0x1a2a,
+  0x6b76, 0x1ebb,
+  0x6b77, 0x1a3a,
+  0x6c21, 0x1a42,
+  0x6c4d, 0x0aaa,
+  0x6c4e, 0x1a6f,
+  0x6c69, 0x1ebc,
+  0x6c6a, 0x1a8b,
+  0x6c74, 0x1ebd,
+  0x6c75, 0x1a96,
+  0x6d21, 0x1aa0,
+  0x6d4e, 0x1ebe,
+  0x6d4f, 0x1ace,
+  0x6d6c, 0x1ebf,
+  0x6d6d, 0x1aec,
+  0x6d6e, 0x1ec0,
+  0x6d6f, 0x1aee,
+  0x6e21, 0x1afe,
+  0x6e29, 0x1ec1,
+  0x6e2a, 0x1b07,
+  0x6e3d, 0x1ec2,
+  0x6e3e, 0x1b1b,
+  0x6e57, 0x1ec3,
+  0x6e58, 0x1b35,
+  0x6f21, 0x1b5c,
+  0x6f65, 0x1ec4,
+  0x6f66, 0x1ba1,
+  0x7021, 0x1bba,
+  0x7033, 0x1ec5,
+  0x7034, 0x1bcd,
+  0x7045, 0x1ec6,
+  0x7046, 0x1bdf,
+  0x7051, 0x1ec7,
+  0x7052, 0x1beb,
+  0x7057, 0x1ec8,
+  0x7058, 0x1bf1,
+  0x7074, 0x0731,
+  0x7075, 0x1ec9,
+  0x7076, 0x1c0f,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x722d, 0x1eca,
+  0x722e, 0x1c83,
+  0x723c, 0x1ecb,
+  0x723d, 0x1c92,
+  0x724d, 0x0477,
+  0x724e, 0x1ecc,
+  0x724f, 0x1ca4,
+  0x7274, 0x0529,
+  0x7275, 0x1cca,
+  0x7321, 0x1cd4,
+  0x7351, 0x1ecd,
+  0x7352, 0x1d05,
+  0x737d, 0x1ece,
+  0x737e, 0x1d31,
+  0x2122, 0x1ecf,
+  0x2124, 0x204c,
+  0x2125, 0x2052,
+  0x212b, 0x2050,
+  0x212c, 0x204f,
+  0x213c, 0x1ed3,
+  0x2141, 0x1ed6,
+  0x2146, 0x2059,
+  0x2147, 0x2054,
+  0x2148, 0x2057,
+  0x2149, 0x2056,
+  0x214a, 0x1edb,
+  0x216b, 0x204d,
+  0x216c, 0x2051,
+  0x216d, 0x205b,
+  0x222e, 0x204e,
+  0x2421, 0x1eee,
+  0x2423, 0x1eef,
+  0x2425, 0x1ef0,
+  0x2427, 0x1ef1,
+  0x2429, 0x1ef2,
+  0x2443, 0x1ef3,
+  0x2463, 0x1ef4,
+  0x2465, 0x1ef5,
+  0x2467, 0x1ef6,
+  0x246e, 0x1ef7,
+  0x2521, 0x1ef8,
+  0x2523, 0x1ef9,
+  0x2525, 0x1efa,
+  0x2527, 0x1efb,
+  0x2529, 0x1efc,
+  0x2543, 0x1efd,
+  0x2563, 0x1efe,
+  0x2565, 0x1eff,
+  0x2567, 0x1f00,
+  0x256e, 0x1f01,
+  0x2575, 0x1f02,
+  0x2d40, 0x1f04,
+  0x2d60, 0x1f14,
+  0x2f21, 0x1ed0,
+  0x2f22, 0x1ee7,
+  0x2f24, 0x1ecf,
+  0x2f27, 0x1ef8,
+  0x2f2c, 0x1efe,
+  0x2f2f, 0x1efd,
+  0x2f30, 0x1ed3,
+  0x2f5e, 0x2050,
+  0x2f5f, 0x204f,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12NWPVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12NWPVMap2, 809
+};
+
+static Gushort japan12RKSJHMap2[244] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12RKSJHEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12RKSJHMap2, 122
+};
+
+static Gushort japan12RKSJVMap2[298] = {
+  0x0000, 0x0000,
+  0x8140, 0x0279,
+  0x8180, 0x02b8,
+  0x81b8, 0x02e5,
+  0x81c8, 0x02ed,
+  0x81da, 0x02f4,
+  0x81f0, 0x0303,
+  0x81fc, 0x030b,
+  0x824f, 0x030c,
+  0x8260, 0x0316,
+  0x8281, 0x0330,
+  0x829f, 0x034a,
+  0x8340, 0x039d,
+  0x8380, 0x03dc,
+  0x839f, 0x03f3,
+  0x83bf, 0x040b,
+  0x8440, 0x0423,
+  0x8470, 0x0444,
+  0x8480, 0x0453,
+  0x849f, 0x1d37,
+  0x84a0, 0x1d39,
+  0x84a1, 0x1d43,
+  0x84a2, 0x1d47,
+  0x84a3, 0x1d4f,
+  0x84a4, 0x1d4b,
+  0x84a5, 0x1d53,
+  0x84a6, 0x1d63,
+  0x84a7, 0x1d5b,
+  0x84a8, 0x1d6b,
+  0x84a9, 0x1d73,
+  0x84aa, 0x1d38,
+  0x84ab, 0x1d3a,
+  0x84ac, 0x1d46,
+  0x84ad, 0x1d4a,
+  0x84ae, 0x1d52,
+  0x84af, 0x1d4e,
+  0x84b0, 0x1d5a,
+  0x84b1, 0x1d6a,
+  0x84b2, 0x1d62,
+  0x84b3, 0x1d72,
+  0x84b4, 0x1d82,
+  0x84b5, 0x1d57,
+  0x84b6, 0x1d66,
+  0x84b7, 0x1d5f,
+  0x84b8, 0x1d6e,
+  0x84b9, 0x1d76,
+  0x84ba, 0x1d54,
+  0x84bb, 0x1d67,
+  0x84bc, 0x1d5c,
+  0x84bd, 0x1d6f,
+  0x84be, 0x1d79,
+  0x889f, 0x0465,
+  0x8940, 0x04c3,
+  0x8980, 0x0502,
+  0x8a40, 0x057f,
+  0x8a80, 0x05be,
+  0x8b40, 0x063b,
+  0x8b80, 0x067a,
+  0x8c40, 0x06f7,
+  0x8c80, 0x0736,
+  0x8d40, 0x07b3,
+  0x8d80, 0x07f2,
+  0x8e40, 0x086f,
+  0x8e80, 0x08ae,
+  0x8f40, 0x092b,
+  0x8f80, 0x096a,
+  0x9040, 0x09e7,
+  0x9080, 0x0a26,
+  0x9140, 0x0aa3,
+  0x9180, 0x0ae2,
+  0x9240, 0x0b5f,
+  0x9280, 0x0b9e,
+  0x9340, 0x0c1b,
+  0x9380, 0x0c5a,
+  0x9440, 0x0cd7,
+  0x9480, 0x0d16,
+  0x9540, 0x0d93,
+  0x9580, 0x0dd2,
+  0x9640, 0x0e4f,
+  0x9680, 0x0e8e,
+  0x9740, 0x0f0b,
+  0x9780, 0x0f4a,
+  0x9840, 0x0fc7,
+  0x989f, 0x0ffa,
+  0x9940, 0x1058,
+  0x9980, 0x1097,
+  0x9a40, 0x1114,
+  0x9a80, 0x1153,
+  0x9b40, 0x11d0,
+  0x9b80, 0x120f,
+  0x9c40, 0x128c,
+  0x9c80, 0x12cb,
+  0x9d40, 0x1348,
+  0x9d80, 0x1387,
+  0x9e40, 0x1404,
+  0x9e80, 0x1443,
+  0x9f40, 0x14c0,
+  0x9f80, 0x14ff,
+  0xe040, 0x157c,
+  0xe080, 0x15bb,
+  0xe140, 0x1638,
+  0xe180, 0x1677,
+  0xe240, 0x16f4,
+  0xe280, 0x1733,
+  0xe340, 0x17b0,
+  0xe380, 0x17ef,
+  0xe440, 0x186c,
+  0xe480, 0x18ab,
+  0xe540, 0x1928,
+  0xe580, 0x1967,
+  0xe640, 0x19e4,
+  0xe680, 0x1a23,
+  0xe740, 0x1aa0,
+  0xe780, 0x1adf,
+  0xe840, 0x1b5c,
+  0xe880, 0x1b9b,
+  0xe940, 0x1c18,
+  0xe980, 0x1c57,
+  0xea40, 0x1cd4,
+  0xea80, 0x1d13,
+  0xeaa3, 0x205c,
+  0x8141, 0x1ecf,
+  0x8150, 0x1ed1,
+  0x815b, 0x1ed3,
+  0x8160, 0x1ed6,
+  0x8169, 0x1edb,
+  0x8181, 0x1eed,
+  0x829f, 0x1eee,
+  0x82a1, 0x1eef,
+  0x82a3, 0x1ef0,
+  0x82a5, 0x1ef1,
+  0x82a7, 0x1ef2,
+  0x82c1, 0x1ef3,
+  0x82e1, 0x1ef4,
+  0x82e3, 0x1ef5,
+  0x82e5, 0x1ef6,
+  0x82ec, 0x1ef7,
+  0x8340, 0x1ef8,
+  0x8342, 0x1ef9,
+  0x8344, 0x1efa,
+  0x8346, 0x1efb,
+  0x8348, 0x1efc,
+  0x8362, 0x1efd,
+  0x8383, 0x1efe,
+  0x8385, 0x1eff,
+  0x8387, 0x1f00,
+  0x838e, 0x1f01,
+  0x8395, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12RKSJVEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0146, 0x0147, 0x0148, 0x0149, 0x014a, 0x014b, 0x014c, 0x014d,
+    0x014e, 0x014f, 0x0150, 0x0151, 0x0152, 0x0153, 0x0154, 0x0155,
+    0x0156, 0x0157, 0x0158, 0x0159, 0x015a, 0x015b, 0x015c, 0x015d,
+    0x015e, 0x015f, 0x0160, 0x0161, 0x0162, 0x0163, 0x0164, 0x0165,
+    0x0166, 0x0167, 0x0168, 0x0169, 0x016a, 0x016b, 0x016c, 0x016d,
+    0x016e, 0x016f, 0x0170, 0x0171, 0x0172, 0x0173, 0x0174, 0x0175,
+    0x0176, 0x0177, 0x0178, 0x0179, 0x017a, 0x017b, 0x017c, 0x017d,
+    0x017e, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12RKSJVMap2, 149
+};
+
+static Gushort japan12RomanMap2[4] = {
+  0x0000, 0x0000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12RomanEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee,
+    0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6,
+    0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe,
+    0x00ff, 0x0100, 0x0101, 0x0102, 0x0103, 0x0104, 0x0105, 0x0106,
+    0x0107, 0x0108, 0x0109, 0x010a, 0x010b, 0x010c, 0x010d, 0x010e,
+    0x010f, 0x0110, 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116,
+    0x0117, 0x0118, 0x0119, 0x011a, 0x011b, 0x011c, 0x011d, 0x011e,
+    0x011f, 0x0120, 0x0121, 0x0122, 0x0123, 0x0124, 0x0125, 0x0126,
+    0x0127, 0x0128, 0x0129, 0x012a, 0x012b, 0x012c, 0x012d, 0x012e,
+    0x012f, 0x0130, 0x0131, 0x0132, 0x0133, 0x0134, 0x0135, 0x0136,
+    0x0137, 0x0138, 0x0139, 0x013a, 0x013b, 0x013c, 0x013d, 0x013e,
+    0x013f, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12RomanMap2, 2
+};
+
+static Gushort japan12UniJISUCS2HMap2[13926] = {
+  0x0000, 0x0000,
+  0x0020, 0x0001,
+  0x005c, 0x0061,
+  0x005d, 0x003e,
+  0x00a1, 0x0065,
+  0x00a4, 0x006b,
+  0x00a5, 0x003d,
+  0x00a6, 0x0063,
+  0x00a7, 0x02d0,
+  0x00a8, 0x0287,
+  0x00a9, 0x0098,
+  0x00aa, 0x008c,
+  0x00ab, 0x006d,
+  0x00ac, 0x0099,
+  0x00ad, 0x0097,
+  0x00ae, 0x009a,
+  0x00af, 0x0081,
+  0x00b0, 0x02c3,
+  0x00b1, 0x02b6,
+  0x00b2, 0x009d,
+  0x00b4, 0x0285,
+  0x00b5, 0x009f,
+  0x00b6, 0x030a,
+  0x00b7, 0x0075,
+  0x00b8, 0x0086,
+  0x00b9, 0x00a0,
+  0x00ba, 0x0090,
+  0x00bb, 0x007b,
+  0x00bc, 0x00a1,
+  0x00bf, 0x007e,
+  0x00c0, 0x00a4,
+  0x00c6, 0x008b,
+  0x00c7, 0x00aa,
+  0x00d7, 0x02b7,
+  0x00d8, 0x008e,
+  0x00d9, 0x00bb,
+  0x00df, 0x0096,
+  0x00e0, 0x00c1,
+  0x00e6, 0x0091,
+  0x00e7, 0x00c7,
+  0x00f7, 0x02b8,
+  0x00f8, 0x0094,
+  0x00f9, 0x00d8,
+  0x0131, 0x0092,
+  0x0141, 0x008d,
+  0x0142, 0x0093,
+  0x0152, 0x008f,
+  0x0153, 0x0095,
+  0x0160, 0x00df,
+  0x0161, 0x00e3,
+  0x0178, 0x00e0,
+  0x017d, 0x00e1,
+  0x017e, 0x00e5,
+  0x01c0, 0x0063,
+  0x0300, 0x0041,
+  0x0301, 0x007f,
+  0x0303, 0x005f,
+  0x0304, 0x0081,
+  0x0305, 0x00e2,
+  0x0306, 0x0082,
+  0x030a, 0x0085,
+  0x030b, 0x0087,
+  0x030c, 0x0089,
+  0x0327, 0x0086,
+  0x0328, 0x0088,
+  0x0332, 0x0040,
+  0x0336, 0x008a,
+  0x0361, 0x02f6,
+  0x0391, 0x03f3,
+  0x03a3, 0x0404,
+  0x03b1, 0x040b,
+  0x03c3, 0x041c,
+  0x0401, 0x0429,
+  0x0410, 0x0423,
+  0x0416, 0x042a,
+  0x0436, 0x044b,
+  0x0451, 0x044a,
+  0x2002, 0x00e7,
+  0x2003, 0x0279,
+  0x2010, 0x000e,
+  0x2011, 0x000e,
+  0x2012, 0x0072,
+  0x2013, 0x0072,
+  0x2014, 0x008a,
+  0x2015, 0x0295,
+  0x2016, 0x029a,
+  0x2018, 0x029e,
+  0x201a, 0x0078,
+  0x201c, 0x02a0,
+  0x201e, 0x0079,
+  0x2020, 0x0308,
+  0x2022, 0x0077,
+  0x2025, 0x029d,
+  0x2026, 0x029c,
+  0x2030, 0x0304,
+  0x2032, 0x02c4,
+  0x2039, 0x006e,
+  0x203b, 0x02de,
+  0x203e, 0x0145,
+  0x2044, 0x0068,
+  0x20dd, 0x030b,
+  0x2103, 0x02c6,
+  0x2109, 0x2071,
+  0x2113, 0x1f59,
+  0x2116, 0x1dba,
+  0x2121, 0x1f77,
+  0x2122, 0x00e4,
+  0x212b, 0x0303,
+  0x2160, 0x1d97,
+  0x216a, 0x2021,
+  0x2170, 0x1f9c,
+  0x217a, 0x206a,
+  0x217f, 0x206f,
+  0x2190, 0x02e1,
+  0x2192, 0x02e0,
+  0x2193, 0x02e3,
+  0x21c4, 0x2076,
+  0x21c6, 0x2075,
+  0x21d2, 0x02f0,
+  0x21d4, 0x02f1,
+  0x21e6, 0x1f4d,
+  0x21e7, 0x1f4c,
+  0x21e8, 0x1f4e,
+  0x21e9, 0x1f4b,
+  0x2200, 0x02f2,
+  0x2202, 0x02f7,
+  0x2203, 0x02f3,
+  0x2207, 0x02f8,
+  0x2208, 0x02e5,
+  0x220b, 0x02e6,
+  0x2211, 0x1dc9,
+  0x2212, 0x02b5,
+  0x221a, 0x02fd,
+  0x221d, 0x02ff,
+  0x221e, 0x02bf,
+  0x221f, 0x1dcd,
+  0x2220, 0x02f4,
+  0x2225, 0x029a,
+  0x2227, 0x02ed,
+  0x2229, 0x02ec,
+  0x222a, 0x02eb,
+  0x222b, 0x0301,
+  0x222d, 0x2003,
+  0x222e, 0x1dc8,
+  0x2234, 0x02c0,
+  0x2235, 0x0300,
+  0x223c, 0x0299,
+  0x223d, 0x02fe,
+  0x2252, 0x02fa,
+  0x2260, 0x02ba,
+  0x2261, 0x02f9,
+  0x2266, 0x02bd,
+  0x226a, 0x02fb,
+  0x2282, 0x02e9,
+  0x2286, 0x02e7,
+  0x22a5, 0x02f5,
+  0x22bf, 0x1dce,
+  0x22ee, 0x1ed9,
+  0x22ef, 0x029c,
+  0x2312, 0x02f6,
+  0x2460, 0x1d83,
+  0x2474, 0x1f87,
+  0x2488, 0x1f7e,
+  0x249c, 0x1fb0,
+  0x24ea, 0x2020,
+  0x2500, 0x1d37,
+  0x2550, 0x203b,
+  0x255e, 0x203c,
+  0x2561, 0x203e,
+  0x256a, 0x203d,
+  0x256d, 0x2037,
+  0x256f, 0x203a,
+  0x2570, 0x2039,
+  0x2571, 0x2045,
+  0x2581, 0x2026,
+  0x2589, 0x2034,
+  0x258a, 0x2033,
+  0x258b, 0x2032,
+  0x258c, 0x2031,
+  0x258d, 0x2030,
+  0x258e, 0x202f,
+  0x258f, 0x202e,
+  0x2594, 0x2035,
+  0x25a0, 0x02d9,
+  0x25a1, 0x02d8,
+  0x25a2, 0x1f4f,
+  0x25b2, 0x02db,
+  0x25b3, 0x02da,
+  0x25b7, 0x1f4a,
+  0x25bc, 0x02dd,
+  0x25bd, 0x02dc,
+  0x25c1, 0x1f49,
+  0x25c6, 0x02d7,
+  0x25c7, 0x02d6,
+  0x25c9, 0x2012,
+  0x25cb, 0x02d3,
+  0x25ce, 0x02d5,
+  0x25cf, 0x02d4,
+  0x25e2, 0x203f,
+  0x25e4, 0x2042,
+  0x25e5, 0x2041,
+  0x25ef, 0x030b,
+  0x2600, 0x2017,
+  0x2605, 0x02d2,
+  0x2606, 0x02d1,
+  0x260e, 0x1f78,
+  0x261c, 0x201c,
+  0x261e, 0x201b,
+  0x261f, 0x201e,
+  0x2640, 0x02c2,
+  0x2642, 0x02c1,
+  0x2660, 0x2013,
+  0x2661, 0x1f51,
+  0x2662, 0x1f53,
+  0x2663, 0x2015,
+  0x2664, 0x1f52,
+  0x2665, 0x2014,
+  0x2666, 0x2016,
+  0x2667, 0x1f50,
+  0x266a, 0x0307,
+  0x266d, 0x0306,
+  0x266f, 0x0305,
+  0x2776, 0x205e,
+  0x27a1, 0x200e,
+  0x3000, 0x0279,
+  0x3003, 0x028f,
+  0x3004, 0x2074,
+  0x3005, 0x0291,
+  0x3008, 0x02aa,
+  0x3012, 0x02df,
+  0x3013, 0x02e4,
+  0x3014, 0x02a4,
+  0x301c, 0x0299,
+  0x301d, 0x1db8,
+  0x301f, 0x1db9,
+  0x3020, 0x1f7a,
+  0x3036, 0x1f79,
+  0x3041, 0x034a,
+  0x3094, 0x1f16,
+  0x309b, 0x0283,
+  0x309d, 0x028d,
+  0x30a1, 0x039d,
+  0x30f7, 0x2079,
+  0x30fb, 0x027e,
+  0x30fc, 0x0294,
+  0x30fd, 0x028b,
+  0x322a, 0x2006,
+  0x3230, 0x2005,
+  0x3231, 0x1dc2,
+  0x3233, 0x1fcf,
+  0x3234, 0x1fcd,
+  0x3235, 0x1fd4,
+  0x3236, 0x1fd3,
+  0x3237, 0x200c,
+  0x3238, 0x1fce,
+  0x3239, 0x1dc4,
+  0x323a, 0x1fd7,
+  0x323b, 0x1fd5,
+  0x323c, 0x1fd0,
+  0x323d, 0x1fcb,
+  0x323e, 0x1fd2,
+  0x323f, 0x1fcc,
+  0x3240, 0x1fd6,
+  0x3241, 0x200d,
+  0x3242, 0x1fd1,
+  0x3243, 0x1fca,
+  0x3291, 0x1fe1,
+  0x3292, 0x1fe0,
+  0x3293, 0x1fe2,
+  0x3294, 0x1fdc,
+  0x3296, 0x1fe5,
+  0x3298, 0x1fde,
+  0x3299, 0x201f,
+  0x329d, 0x207f,
+  0x329e, 0x1fff,
+  0x32a4, 0x1dbd,
+  0x32a9, 0x1fda,
+  0x32aa, 0x1fdd,
+  0x32ab, 0x1fdf,
+  0x32ac, 0x1fe3,
+  0x32ad, 0x1fd9,
+  0x32ae, 0x1fe4,
+  0x32af, 0x1fdb,
+  0x32b0, 0x1fd8,
+  0x3300, 0x1f70,
+  0x3303, 0x1f6a,
+  0x3305, 0x1ff7,
+  0x330d, 0x1dab,
+  0x3314, 0x1da2,
+  0x3315, 0x1f69,
+  0x3316, 0x1f67,
+  0x3318, 0x1f68,
+  0x331e, 0x1f73,
+  0x3322, 0x1f66,
+  0x3323, 0x1f6b,
+  0x3326, 0x1dac,
+  0x3327, 0x1da6,
+  0x332a, 0x1f74,
+  0x332b, 0x1dae,
+  0x3331, 0x1f71,
+  0x3333, 0x2087,
+  0x3336, 0x1da8,
+  0x3339, 0x1f6e,
+  0x333b, 0x1f6f,
+  0x3342, 0x1f6d,
+  0x3347, 0x1f72,
+  0x3349, 0x1da1,
+  0x334a, 0x1daf,
+  0x334d, 0x1da4,
+  0x334e, 0x2088,
+  0x3351, 0x1da9,
+  0x3357, 0x1f6c,
+  0x337b, 0x2083,
+  0x337c, 0x1dc7,
+  0x337d, 0x1dc6,
+  0x337e, 0x1dc5,
+  0x337f, 0x1f76,
+  0x3385, 0x1f5f,
+  0x3388, 0x2000,
+  0x338e, 0x1db4,
+  0x3390, 0x1f63,
+  0x3396, 0x1f65,
+  0x3397, 0x1f58,
+  0x3398, 0x1f5a,
+  0x339c, 0x1db1,
+  0x339f, 0x1ffa,
+  0x33a0, 0x1f54,
+  0x33a1, 0x1db7,
+  0x33a2, 0x1f55,
+  0x33a3, 0x1ffb,
+  0x33a4, 0x1f56,
+  0x33a6, 0x1ffc,
+  0x33b0, 0x1f5e,
+  0x33b1, 0x1f5d,
+  0x33b2, 0x1f5c,
+  0x33b3, 0x1f5b,
+  0x33c4, 0x1db6,
+  0x33c8, 0x2002,
+  0x33cb, 0x1f62,
+  0x33cc, 0x1ff6,
+  0x33cd, 0x1dbb,
+  0x33d4, 0x1f64,
+  0x4e00, 0x04b0,
+  0x4e01, 0x0bb8,
+  0x4e03, 0x08e3,
+  0x4e07, 0x0eaa,
+  0x4e08, 0x09ce,
+  0x4e09, 0x087e,
+  0x4e0a, 0x09cd,
+  0x4e0b, 0x053c,
+  0x4e0d, 0x0dc6,
+  0x4e0e, 0x0f29,
+  0x4e10, 0x0ffb,
+  0x4e11, 0x04d1,
+  0x4e14, 0x05cc,
+  0x4e15, 0x0ffc,
+  0x4e16, 0x0a48,
+  0x4e17, 0x10d7,
+  0x4e18, 0x0670,
+  0x4e19, 0x0e0a,
+  0x4e1e, 0x09cf,
+  0x4e21, 0x0f86,
+  0x4e26, 0x0e12,
+  0x4e28, 0x20b3,
+  0x4e2a, 0x0ffd,
+  0x4e2d, 0x0ba4,
+  0x4e31, 0x0ffe,
+  0x4e32, 0x06f2,
+  0x4e36, 0x0fff,
+  0x4e38, 0x0619,
+  0x4e39, 0x0b6e,
+  0x4e3b, 0x0913,
+  0x4e3c, 0x1000,
+  0x4e3f, 0x1001,
+  0x4e42, 0x1002,
+  0x4e43, 0x0ceb,
+  0x4e45, 0x0671,
+  0x4e4b, 0x0ced,
+  0x4e4d, 0x0cbb,
+  0x4e4e, 0x0777,
+  0x4e4f, 0x0e61,
+  0x4e55, 0x1950,
+  0x4e56, 0x1003,
+  0x4e57, 0x09d0,
+  0x4e58, 0x1004,
+  0x4e59, 0x0535,
+  0x4e5d, 0x06dd,
+  0x4e5e, 0x07a4,
+  0x4e5f, 0x0ef5,
+  0x4e62, 0x1233,
+  0x4e71, 0x0f5a,
+  0x4e73, 0x0cd5,
+  0x4e7e, 0x05e1,
+  0x4e80, 0x064f,
+  0x4e82, 0x1005,
+  0x4e85, 0x1006,
+  0x4e86, 0x0f83,
+  0x4e88, 0x0f27,
+  0x4e89, 0x0aea,
+  0x4e8a, 0x1008,
+  0x4e8b, 0x08c4,
+  0x4e8c, 0x0ccb,
+  0x4e8e, 0x100b,
+  0x4e91, 0x04e0,
+  0x4e92, 0x0793,
+  0x4e94, 0x0792,
+  0x4e95, 0x04aa,
+  0x4e98, 0x0ff1,
+  0x4e99, 0x0ff0,
+  0x4e9b, 0x0823,
+  0x4e9c, 0x0465,
+  0x4e9e, 0x100c,
+  0x4ea1, 0x0e62,
+  0x4ea2, 0x100f,
+  0x4ea4, 0x07a6,
+  0x4ea5, 0x04ab,
+  0x4ea6, 0x0ea0,
+  0x4ea8, 0x0696,
+  0x4eab, 0x0697,
+  0x4ead, 0x0bfe,
+  0x4eae, 0x0f84,
+  0x4eb0, 0x1010,
+  0x4eb3, 0x1011,
+  0x4eb6, 0x1012,
+  0x4eba, 0x0a13,
+  0x4ec0, 0x0944,
+  0x4ec1, 0x0a14,
+  0x4ec2, 0x1017,
+  0x4ec4, 0x1015,
+  0x4ec6, 0x1016,
+  0x4ec7, 0x0672,
+  0x4eca, 0x0813,
+  0x4ecb, 0x0570,
+  0x4ecd, 0x1014,
+  0x4ece, 0x1013,
+  0x4ecf, 0x0df9,
+  0x4ed4, 0x0894,
+  0x4ed5, 0x0893,
+  0x4ed6, 0x0b1e,
+  0x4ed7, 0x1018,
+  0x4ed8, 0x0dc7,
+  0x4ed9, 0x0a8b,
+  0x4edd, 0x0290,
+  0x4ede, 0x1019,
+  0x4edf, 0x101b,
+  0x4ee1, 0x20b4,
+  0x4ee3, 0x0b45,
+  0x4ee4, 0x0fa9,
+  0x4ee5, 0x048e,
+  0x4eed, 0x101a,
+  0x4eee, 0x053e,
+  0x4ef0, 0x06bc,
+  0x4ef2, 0x0ba5,
+  0x4ef6, 0x0745,
+  0x4ef7, 0x101c,
+  0x4efb, 0x0cda,
+  0x4efc, 0x20b5,
+  0x4f00, 0x20b6,
+  0x4f01, 0x0627,
+  0x4f03, 0x20b7,
+  0x4f09, 0x101d,
+  0x4f0a, 0x048f,
+  0x4f0d, 0x0794,
+  0x4f0e, 0x0628,
+  0x4f0f, 0x0dec,
+  0x4f10, 0x0d46,
+  0x4f11, 0x0673,
+  0x4f1a, 0x0571,
+  0x4f1c, 0x1040,
+  0x4f1d, 0x0c3b,
+  0x4f2f, 0x0d22,
+  0x4f30, 0x101f,
+  0x4f34, 0x0d50,
+  0x4f36, 0x0faa,
+  0x4f38, 0x09f3,
+  0x4f39, 0x20b8,
+  0x4f3a, 0x0895,
+  0x4f3c, 0x08c5,
+  0x4f3d, 0x0540,
+  0x4f43, 0x0bed,
+  0x4f46, 0x0b60,
+  0x4f47, 0x1023,
+  0x4f4d, 0x0490,
+  0x4f4e, 0x0bff,
+  0x4f4f, 0x0945,
+  0x4f50, 0x0824,
+  0x4f51, 0x0f0e,
+  0x4f53, 0x0b2e,
+  0x4f55, 0x053f,
+  0x4f56, 0x20b9,
+  0x4f57, 0x1022,
+  0x4f59, 0x0f28,
+  0x4f5a, 0x101e,
+  0x4f5b, 0x1020,
+  0x4f5c, 0x085e,
+  0x4f5d, 0x1021,
+  0x4f5e, 0x11d3,
+  0x4f69, 0x1029,
+  0x4f6f, 0x102c,
+  0x4f70, 0x102a,
+  0x4f73, 0x0542,
+  0x4f75, 0x0e0b,
+  0x4f76, 0x1024,
+  0x4f7b, 0x1028,
+  0x4f7c, 0x07a7,
+  0x4f7f, 0x0896,
+  0x4f83, 0x05e2,
+  0x4f86, 0x102d,
+  0x4f88, 0x1025,
+  0x4f8a, 0x20bb,
+  0x4f8b, 0x0fab,
+  0x4f8d, 0x08c6,
+  0x4f8f, 0x1026,
+  0x4f91, 0x102b,
+  0x4f92, 0x20ba,
+  0x4f94, 0x20bd,
+  0x4f96, 0x102e,
+  0x4f98, 0x1027,
+  0x4f9a, 0x20bc,
+  0x4f9b, 0x0699,
+  0x4f9d, 0x0491,
+  0x4fa0, 0x069a,
+  0x4fa1, 0x0541,
+  0x4fab, 0x11d4,
+  0x4fad, 0x0ea7,
+  0x4fae, 0x0de0,
+  0x4faf, 0x07a8,
+  0x4fb5, 0x09f5,
+  0x4fb6, 0x0f7f,
+  0x4fbf, 0x0e28,
+  0x4fc2, 0x070e,
+  0x4fc3, 0x0b05,
+  0x4fc4, 0x0564,
+  0x4fc9, 0x20ac,
+  0x4fca, 0x095d,
+  0x4fcd, 0x20be,
+  0x4fce, 0x1032,
+  0x4fd0, 0x1037,
+  0x4fd1, 0x1035,
+  0x4fd4, 0x1030,
+  0x4fd7, 0x0b0f,
+  0x4fd8, 0x1033,
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+  0x9824, 0x1c0e,
+  0x982c, 0x0e79,
+  0x982d, 0x0c84,
+  0x9830, 0x1e73,
+  0x9834, 0x04f2,
+  0x9837, 0x1c10,
+  0x9838, 0x1c0d,
+  0x983b, 0x0dc3,
+  0x983c, 0x0f54,
+  0x983d, 0x1c11,
+  0x9846, 0x1c12,
+  0x984b, 0x1c14,
+  0x984c, 0x0b4a,
+  0x984d, 0x05b9,
+  0x984f, 0x1c13,
+  0x9854, 0x0625,
+  0x9855, 0x0766,
+  0x9857, 0x21f9,
+  0x9858, 0x0626,
+  0x985a, 0x1e48,
+  0x985b, 0x0c39,
+  0x985e, 0x0fa8,
+  0x9865, 0x21fa,
+  0x9867, 0x0790,
+  0x986b, 0x1c15,
+  0x986f, 0x1c16,
+  0x9873, 0x1c1a,
+  0x9874, 0x1c19,
+  0x98a8, 0x0de9,
+  0x98aa, 0x1c1b,
+  0x98af, 0x1c1c,
+  0x98b1, 0x1c1d,
+  0x98b6, 0x1c1e,
+  0x98c3, 0x1c20,
+  0x98c4, 0x1c1f,
+  0x98c6, 0x1c21,
+  0x98db, 0x0d88,
+  0x98dc, 0x1839,
+  0x98df, 0x09ef,
+  0x98e2, 0x064c,
+  0x98e9, 0x1c22,
+  0x98eb, 0x1c23,
+  0x98ed, 0x10c1,
+  0x98ee, 0x14da,
+  0x98ef, 0x0d67,
+  0x98f2, 0x04bf,
+  0x98f4, 0x047f,
+  0x98fc, 0x08c2,
+  0x98fd, 0x0e5e,
+  0x98fe, 0x09e6,
+  0x9903, 0x1c24,
+  0x9905, 0x0eeb,
+  0x9909, 0x1c25,
+  0x990a, 0x0f46,
+  0x990c, 0x04e4,
+  0x9910, 0x088f,
+  0x9912, 0x1c26,
+  0x9913, 0x056e,
+  0x9914, 0x1c27,
+  0x9918, 0x1c28,
+  0x991d, 0x1c2a,
+  0x9920, 0x1c2d,
+  0x9921, 0x1c29,
+  0x9924, 0x1c2c,
+  0x9927, 0x21fd,
+  0x9928, 0x0617,
+  0x992c, 0x1c2e,
+  0x992e, 0x1c2f,
+  0x993d, 0x1c30,
+  0x9942, 0x1c32,
+  0x9945, 0x1c34,
+  0x9949, 0x1c33,
+  0x994b, 0x1c36,
+  0x994c, 0x1c39,
+  0x9950, 0x1c35,
+  0x9951, 0x1c37,
+  0x9955, 0x1c3a,
+  0x9957, 0x06ba,
+  0x9996, 0x091f,
+  0x9997, 0x1c3b,
+  0x9999, 0x07f3,
+  0x999e, 0x21ff,
+  0x99a5, 0x1c3d,
+  0x99a8, 0x059c,
+  0x99ac, 0x0d05,
+  0x99ad, 0x1c3e,
+  0x99b3, 0x0b98,
+  0x99b4, 0x0cc3,
+  0x99bc, 0x1c40,
+  0x99c1, 0x0d33,
+  0x99c4, 0x0b2c,
+  0x99c5, 0x04fa,
+  0x99c6, 0x06e6,
+  0x99c8, 0x06e7,
+  0x99d0, 0x0bb1,
+  0x99d1, 0x1c45,
+  0x99d2, 0x06e8,
+  0x99d5, 0x056f,
+  0x99d8, 0x1c44,
+  0x99db, 0x1c42,
+  0x99dd, 0x1c43,
+  0x99df, 0x1c41,
+  0x99e2, 0x1c4f,
+  0x99ed, 0x1c46,
+  0x99f1, 0x1c48,
+  0x99f8, 0x1c4b,
+  0x99fb, 0x1c4a,
+  0x99ff, 0x0963,
+  0x9a01, 0x1c4c,
+  0x9a05, 0x1c4e,
+  0x9a0e, 0x064d,
+  0x9a0f, 0x1c4d,
+  0x9a12, 0x0afd,
+  0x9a13, 0x0767,
+  0x9a19, 0x1c50,
+  0x9a28, 0x0b2d,
+  0x9a2b, 0x1c51,
+  0x9a30, 0x0c85,
+  0x9a37, 0x1c52,
+  0x9a3e, 0x1c57,
+  0x9a40, 0x1c55,
+  0x9a42, 0x1c54,
+  0x9a43, 0x1c56,
+  0x9a45, 0x1c53,
+  0x9a4d, 0x1c59,
+  0x9a4e, 0x2200,
+  0x9a52, 0x1e2f,
+  0x9a55, 0x1c58,
+  0x9a57, 0x1c5b,
+  0x9a5a, 0x06bb,
+  0x9a5b, 0x1c5a,
+  0x9a5f, 0x1c5c,
+  0x9a62, 0x1c5d,
+  0x9a64, 0x1c5f,
+  0x9a65, 0x1c5e,
+  0x9a69, 0x1c60,
+  0x9a6a, 0x1c62,
+  0x9a6b, 0x1c61,
+  0x9aa8, 0x080e,
+  0x9aad, 0x1c63,
+  0x9ab0, 0x1c64,
+  0x9ab8, 0x059a,
+  0x9abc, 0x1c65,
+  0x9ac0, 0x1c66,
+  0x9ac4, 0x0a37,
+  0x9acf, 0x1c67,
+  0x9ad1, 0x1c68,
+  0x9ad3, 0x1c69,
+  0x9ad8, 0x07f4,
+  0x9ad9, 0x2201,
+  0x9adc, 0x2202,
+  0x9ade, 0x1c6b,
+  0x9ae2, 0x1c6d,
+  0x9ae6, 0x1c6f,
+  0x9aea, 0x0d45,
+  0x9aeb, 0x1c71,
+  0x9aed, 0x0d98,
+  0x9aee, 0x1c72,
+  0x9aef, 0x1c70,
+  0x9af1, 0x1c74,
+  0x9af4, 0x1c73,
+  0x9af7, 0x1c75,
+  0x9afb, 0x1c76,
+  0x9b06, 0x1c77,
+  0x9b18, 0x1c78,
+  0x9b1a, 0x1c79,
+  0x9b1f, 0x1c7a,
+  0x9b22, 0x1c7b,
+  0x9b25, 0x1c7d,
+  0x9b27, 0x1c7e,
+  0x9b2e, 0x1c82,
+  0x9b31, 0x14d4,
+  0x9b32, 0x1c84,
+  0x9b3b, 0x17a9,
+  0x9b3c, 0x064e,
+  0x9b41, 0x057f,
+  0x9b42, 0x0822,
+  0x9b43, 0x1c86,
+  0x9b44, 0x1c85,
+  0x9b45, 0x0eb1,
+  0x9b4d, 0x1c88,
+  0x9b4f, 0x1c87,
+  0x9b51, 0x1c8a,
+  0x9b54, 0x0e90,
+  0x9b58, 0x1c8b,
+  0x9b5a, 0x0695,
+  0x9b6f, 0x0fcb,
+  0x9b72, 0x2204,
+  0x9b74, 0x1c8c,
+  0x9b75, 0x2203,
+  0x9b83, 0x1c8e,
+  0x9b8e, 0x0482,
+  0x9b8f, 0x2205,
+  0x9b91, 0x1c8f,
+  0x9b92, 0x0dfb,
+  0x9b93, 0x1c8d,
+  0x9b96, 0x1c90,
+  0x9b9f, 0x1c92,
+  0x9ba8, 0x1c94,
+  0x9baa, 0x0e9c,
+  0x9bab, 0x087b,
+  0x9bad, 0x086a,
+  0x9bae, 0x0ab1,
+  0x9bb1, 0x2206,
+  0x9bb4, 0x1c95,
+  0x9bb9, 0x1c98,
+  0x9bbb, 0x2207,
+  0x9bc0, 0x1c96,
+  0x9bc6, 0x1c99,
+  0x9bc9, 0x07a5,
+  0x9bca, 0x1c97,
+  0x9bcf, 0x1c9a,
+  0x9bd1, 0x1c9b,
+  0x9bd4, 0x1ca0,
+  0x9bd6, 0x0878,
+  0x9bdb, 0x0b44,
+  0x9be1, 0x1ca1,
+  0x9be2, 0x1c9e,
+  0x9be3, 0x1c9d,
+  0x9be4, 0x1c9f,
+  0x9be8, 0x0735,
+  0x9bf0, 0x1ca5,
+  0x9bf1, 0x1ca4,
+  0x9bf2, 0x1ca3,
+  0x9bf5, 0x0477,
+  0x9c00, 0x2208,
+  0x9c04, 0x1caf,
+  0x9c06, 0x1cab,
+  0x9c08, 0x1cac,
+  0x9c09, 0x1ca8,
+  0x9c0a, 0x1cae,
+  0x9c0c, 0x1caa,
+  0x9c0d, 0x05c0,
+  0x9c10, 0x0ff2,
+  0x9c12, 0x1cad,
+  0x9c13, 0x1ca9,
+  0x9c14, 0x1ca7,
+  0x9c15, 0x1ca6,
+  0x9c1b, 0x1cb1,
+  0x9c21, 0x1cb4,
+  0x9c24, 0x1cb3,
+  0x9c25, 0x1cb2,
+  0x9c2d, 0x0dbb,
+  0x9c2e, 0x1cb0,
+  0x9c2f, 0x04b7,
+  0x9c30, 0x1cb5,
+  0x9c32, 0x1cb7,
+  0x9c39, 0x05cd,
+  0x9c3a, 0x1ca2,
+  0x9c3b, 0x04d9,
+  0x9c3e, 0x1cb9,
+  0x9c46, 0x1cb8,
+  0x9c47, 0x1cb6,
+  0x9c48, 0x0b6b,
+  0x9c52, 0x0e9e,
+  0x9c57, 0x0fa2,
+  0x9c5a, 0x1cba,
+  0x9c60, 0x1cbb,
+  0x9c67, 0x1cbc,
+  0x9c76, 0x1cbd,
+  0x9c78, 0x1cbe,
+  0x9ce5, 0x0bd7,
+  0x9ce7, 0x1cbf,
+  0x9ce9, 0x0d4b,
+  0x9ceb, 0x1cc4,
+  0x9cec, 0x1cc0,
+  0x9cf0, 0x1cc1,
+  0x9cf3, 0x0e5f,
+  0x9cf4, 0x0ed0,
+  0x9cf6, 0x0ca8,
+  0x9d03, 0x1cc5,
+  0x9d06, 0x1cc6,
+  0x9d07, 0x0c96,
+  0x9d08, 0x1cc3,
+  0x9d09, 0x1cc2,
+  0x9d0e, 0x052a,
+  0x9d12, 0x1cce,
+  0x9d15, 0x1ccd,
+  0x9d1b, 0x0517,
+  0x9d1f, 0x1ccb,
+  0x9d23, 0x1cca,
+  0x9d26, 0x1cc8,
+  0x9d28, 0x05d9,
+  0x9d2a, 0x1cc7,
+  0x9d2b, 0x08de,
+  0x9d2c, 0x0529,
+  0x9d3b, 0x07f5,
+  0x9d3e, 0x1cd1,
+  0x9d3f, 0x1cd0,
+  0x9d41, 0x1ccf,
+  0x9d44, 0x1ccc,
+  0x9d46, 0x1cd2,
+  0x9d48, 0x1cd3,
+  0x9d50, 0x1cd8,
+  0x9d51, 0x1cd7,
+  0x9d59, 0x1cd9,
+  0x9d5c, 0x04cf,
+  0x9d5d, 0x1cd4,
+  0x9d60, 0x0806,
+  0x9d61, 0x0ec5,
+  0x9d64, 0x1cd6,
+  0x9d6b, 0x220a,
+  0x9d6c, 0x0e60,
+  0x9d6f, 0x1cde,
+  0x9d70, 0x2209,
+  0x9d72, 0x1cda,
+  0x9d7a, 0x1cdf,
+  0x9d87, 0x1cdc,
+  0x9d89, 0x1cdb,
+  0x9d8f, 0x0732,
+  0x9d9a, 0x1ce0,
+  0x9da4, 0x1ce1,
+  0x9da9, 0x1ce2,
+  0x9dab, 0x1cdd,
+  0x9daf, 0x1cc9,
+  0x9db2, 0x1ce3,
+  0x9db4, 0x0bfd,
+  0x9db8, 0x1ce7,
+  0x9dba, 0x1ce8,
+  0x9dbb, 0x1ce6,
+  0x9dc1, 0x1ce5,
+  0x9dc2, 0x1ceb,
+  0x9dc4, 0x1ce4,
+  0x9dc6, 0x1ce9,
+  0x9dcf, 0x1cea,
+  0x9dd3, 0x1ced,
+  0x9dd7, 0x1dde,
+  0x9dd9, 0x1cec,
+  0x9de6, 0x1cef,
+  0x9ded, 0x1cf0,
+  0x9def, 0x1cf1,
+  0x9df2, 0x0fef,
+  0x9df8, 0x1cee,
+  0x9df9, 0x0b4b,
+  0x9dfa, 0x085d,
+  0x9dfd, 0x1cf2,
+  0x9e19, 0x220c,
+  0x9e1a, 0x1cf3,
+  0x9e1e, 0x1cf5,
+  0x9e75, 0x1cf6,
+  0x9e78, 0x0768,
+  0x9e79, 0x1cf7,
+  0x9e7c, 0x1dfd,
+  0x9e7d, 0x1cf8,
+  0x9e7f, 0x08db,
+  0x9e81, 0x1cf9,
+  0x9e88, 0x1cfa,
+  0x9e8b, 0x1cfb,
+  0x9e91, 0x1cff,
+  0x9e92, 0x1cfd,
+  0x9e93, 0x0fe2,
+  0x9e95, 0x1cfe,
+  0x9e97, 0x0fb7,
+  0x9e9d, 0x1d00,
+  0x9e9f, 0x0fa3,
+  0x9ea5, 0x1d01,
+  0x9ea6, 0x0d34,
+  0x9ea9, 0x1d02,
+  0x9eaa, 0x1d04,
+  0x9ead, 0x1d05,
+  0x9eb4, 0x1e02,
+  0x9eb5, 0x1e75,
+  0x9eb8, 0x1d03,
+  0x9eb9, 0x07ff,
+  0x9eba, 0x0ed9,
+  0x9ebb, 0x0e91,
+  0x9ebc, 0x1284,
+  0x9ebe, 0x14ff,
+  0x9ebf, 0x0ea9,
+  0x9ec4, 0x052b,
+  0x9ecc, 0x1d07,
+  0x9ecd, 0x066a,
+  0x9ece, 0x1d08,
+  0x9ed1, 0x220d,
+  0x9ed2, 0x0807,
+  0x9ed4, 0x1d0b,
+  0x9ed8, 0x160d,
+  0x9ed9, 0x0ee7,
+  0x9edb, 0x0b43,
+  0x9edc, 0x1d0c,
+  0x9edd, 0x1d0e,
+  0x9ede, 0x1d0d,
+  0x9ee0, 0x1d0f,
+  0x9ee5, 0x1d10,
+  0x9ee8, 0x1d11,
+  0x9eef, 0x1d12,
+  0x9ef4, 0x1d13,
+  0x9ef6, 0x1d14,
+  0x9ef9, 0x1d16,
+  0x9efb, 0x1d17,
+  0x9f07, 0x1d1a,
+  0x9f0e, 0x0c1e,
+  0x9f13, 0x0791,
+  0x9f15, 0x1d1d,
+  0x9f20, 0x0acf,
+  0x9f21, 0x1d1e,
+  0x9f2c, 0x1d1f,
+  0x9f3b, 0x0d93,
+  0x9f3e, 0x1d20,
+  0x9f4a, 0x1d21,
+  0x9f4b, 0x170a,
+  0x9f4e, 0x1a7b,
+  0x9f4f, 0x1c06,
+  0x9f52, 0x1d22,
+  0x9f54, 0x1d23,
+  0x9f5f, 0x1d25,
+  0x9f62, 0x0fb8,
+  0x9f63, 0x1d24,
+  0x9f66, 0x1d28,
+  0x9f6a, 0x1d2b,
+  0x9f6c, 0x1d2a,
+  0x9f72, 0x1d2d,
+  0x9f76, 0x1d2e,
+  0x9f77, 0x1d2c,
+  0x9f8d, 0x0f7e,
+  0x9f95, 0x1d2f,
+  0x9f9c, 0x1d30,
+  0x9f9d, 0x1727,
+  0x9fa0, 0x1d31,
+  0xf929, 0x2129,
+  0xf9dc, 0x21ee,
+  0xfa0e, 0x20da,
+  0xfa0f, 0x20e5,
+  0xfa11, 0x20fb,
+  0xfa12, 0x2121,
+  0xfa13, 0x2131,
+  0xfa14, 0x2133,
+  0xfa15, 0x215e,
+  0xfa16, 0x2164,
+  0xfa17, 0x217b,
+  0xfa18, 0x2183,
+  0xfa1b, 0x2187,
+  0xfa1c, 0x218b,
+  0xfa1d, 0x218e,
+  0xfa1e, 0x2197,
+  0xfa1f, 0x21a2,
+  0xfa20, 0x21a4,
+  0xfa22, 0x21ae,
+  0xfa23, 0x21b6,
+  0xfa24, 0x21b8,
+  0xfa26, 0x21bc,
+  0xfa27, 0x21d8,
+  0xfa28, 0x21df,
+  0xfa29, 0x21ef,
+  0xfa2a, 0x21fb,
+  0xfa2c, 0x21fe,
+  0xfa2d, 0x220b,
+  0xfb01, 0x0070,
+  0xfe30, 0x1eda,
+  0xfe31, 0x1ed4,
+  0xfe33, 0x1ed2,
+  0xfe35, 0x1edb,
+  0xfe37, 0x1ee1,
+  0xfe39, 0x1edd,
+  0xfe3b, 0x1eeb,
+  0xfe3d, 0x1ee5,
+  0xfe3f, 0x1ee3,
+  0xfe41, 0x1ee7,
+  0xff01, 0x0282,
+  0xff02, 0x1f47,
+  0xff03, 0x02cc,
+  0xff04, 0x02c8,
+  0xff05, 0x02cb,
+  0xff06, 0x02cd,
+  0xff07, 0x1f46,
+  0xff08, 0x02a2,
+  0xff0a, 0x02ce,
+  0xff0b, 0x02b4,
+  0xff0c, 0x027c,
+  0xff0d, 0x0296,
+  0xff0e, 0x027d,
+  0xff0f, 0x0297,
+  0xff10, 0x030c,
+  0xff1a, 0x027f,
+  0xff1c, 0x02bb,
+  0xff1d, 0x02b9,
+  0xff1e, 0x02bc,
+  0xff1f, 0x0281,
+  0xff20, 0x02cf,
+  0xff21, 0x0316,
+  0xff3b, 0x02a6,
+  0xff3c, 0x0298,
+  0xff3d, 0x02a7,
+  0xff3e, 0x0288,
+  0xff3f, 0x028a,
+  0xff40, 0x0286,
+  0xff41, 0x0330,
+  0xff5b, 0x02a8,
+  0xff5c, 0x029b,
+  0xff5d, 0x02a9,
+  0xff5e, 0x0299,
+  0xff61, 0x0147,
+  0xffe0, 0x02c9,
+  0xffe2, 0x02ef,
+  0xffe3, 0x0289,
+  0xffe4, 0x1f45,
+  0xffe5, 0x02c7,
+  0xffe8, 0x0143,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12UniJISUCS2HEnc16 = {
+  0,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12UniJISUCS2HMap2, 6963
+};
+
+static Gushort japan12UniJISUCS2VMap2[14216] = {
+  0x0000, 0x0000,
+  0x0020, 0x0001,
+  0x005c, 0x0061,
+  0x005d, 0x003e,
+  0x00a1, 0x0065,
+  0x00a4, 0x006b,
+  0x00a5, 0x003d,
+  0x00a6, 0x0063,
+  0x00a7, 0x02d0,
+  0x00a8, 0x0287,
+  0x00a9, 0x0098,
+  0x00aa, 0x008c,
+  0x00ab, 0x006d,
+  0x00ac, 0x0099,
+  0x00ad, 0x0097,
+  0x00ae, 0x009a,
+  0x00af, 0x0081,
+  0x00b0, 0x02c3,
+  0x00b1, 0x02b6,
+  0x00b2, 0x009d,
+  0x00b4, 0x0285,
+  0x00b5, 0x009f,
+  0x00b6, 0x030a,
+  0x00b7, 0x0075,
+  0x00b8, 0x0086,
+  0x00b9, 0x00a0,
+  0x00ba, 0x0090,
+  0x00bb, 0x007b,
+  0x00bc, 0x00a1,
+  0x00bf, 0x007e,
+  0x00c0, 0x00a4,
+  0x00c6, 0x008b,
+  0x00c7, 0x00aa,
+  0x00d7, 0x02b7,
+  0x00d8, 0x008e,
+  0x00d9, 0x00bb,
+  0x00df, 0x0096,
+  0x00e0, 0x00c1,
+  0x00e6, 0x0091,
+  0x00e7, 0x00c7,
+  0x00f7, 0x02b8,
+  0x00f8, 0x0094,
+  0x00f9, 0x00d8,
+  0x0131, 0x0092,
+  0x0141, 0x008d,
+  0x0142, 0x0093,
+  0x0152, 0x008f,
+  0x0153, 0x0095,
+  0x0160, 0x00df,
+  0x0161, 0x00e3,
+  0x0178, 0x00e0,
+  0x017d, 0x00e1,
+  0x017e, 0x00e5,
+  0x01c0, 0x0063,
+  0x0300, 0x0041,
+  0x0301, 0x007f,
+  0x0303, 0x005f,
+  0x0304, 0x0081,
+  0x0305, 0x00e2,
+  0x0306, 0x0082,
+  0x030a, 0x0085,
+  0x030b, 0x0087,
+  0x030c, 0x0089,
+  0x0327, 0x0086,
+  0x0328, 0x0088,
+  0x0332, 0x0040,
+  0x0336, 0x008a,
+  0x0361, 0x02f6,
+  0x0391, 0x03f3,
+  0x03a3, 0x0404,
+  0x03b1, 0x040b,
+  0x03c3, 0x041c,
+  0x0401, 0x0429,
+  0x0410, 0x0423,
+  0x0416, 0x042a,
+  0x0436, 0x044b,
+  0x0451, 0x044a,
+  0x2002, 0x00e7,
+  0x2003, 0x0279,
+  0x2010, 0x000e,
+  0x2011, 0x000e,
+  0x2012, 0x0072,
+  0x2013, 0x0072,
+  0x2014, 0x008a,
+  0x2015, 0x0295,
+  0x2016, 0x029a,
+  0x2018, 0x029e,
+  0x201a, 0x0078,
+  0x201c, 0x02a0,
+  0x201e, 0x0079,
+  0x2020, 0x0308,
+  0x2022, 0x0077,
+  0x2025, 0x029d,
+  0x2026, 0x029c,
+  0x2030, 0x0304,
+  0x2032, 0x02c4,
+  0x2039, 0x006e,
+  0x203b, 0x02de,
+  0x203e, 0x0145,
+  0x2044, 0x0068,
+  0x20dd, 0x030b,
+  0x2103, 0x02c6,
+  0x2109, 0x2071,
+  0x2113, 0x1f59,
+  0x2116, 0x1dba,
+  0x2121, 0x1f77,
+  0x2122, 0x00e4,
+  0x212b, 0x0303,
+  0x2160, 0x1d97,
+  0x216a, 0x2021,
+  0x2170, 0x1f9c,
+  0x217a, 0x206a,
+  0x217f, 0x206f,
+  0x2190, 0x02e1,
+  0x2192, 0x02e0,
+  0x2193, 0x02e3,
+  0x21c4, 0x2076,
+  0x21c6, 0x2075,
+  0x21d2, 0x02f0,
+  0x21d4, 0x02f1,
+  0x21e6, 0x1f4d,
+  0x21e7, 0x1f4c,
+  0x21e8, 0x1f4e,
+  0x21e9, 0x1f4b,
+  0x2200, 0x02f2,
+  0x2202, 0x02f7,
+  0x2203, 0x02f3,
+  0x2207, 0x02f8,
+  0x2208, 0x02e5,
+  0x220b, 0x02e6,
+  0x2211, 0x1dc9,
+  0x2212, 0x02b5,
+  0x221a, 0x02fd,
+  0x221d, 0x02ff,
+  0x221e, 0x02bf,
+  0x221f, 0x1dcd,
+  0x2220, 0x02f4,
+  0x2225, 0x029a,
+  0x2227, 0x02ed,
+  0x2229, 0x02ec,
+  0x222a, 0x02eb,
+  0x222b, 0x0301,
+  0x222d, 0x2003,
+  0x222e, 0x1dc8,
+  0x2234, 0x02c0,
+  0x2235, 0x0300,
+  0x223c, 0x0299,
+  0x223d, 0x02fe,
+  0x2252, 0x02fa,
+  0x2260, 0x02ba,
+  0x2261, 0x02f9,
+  0x2266, 0x02bd,
+  0x226a, 0x02fb,
+  0x2282, 0x02e9,
+  0x2286, 0x02e7,
+  0x22a5, 0x02f5,
+  0x22bf, 0x1dce,
+  0x22ee, 0x1ed9,
+  0x22ef, 0x029c,
+  0x2312, 0x02f6,
+  0x2460, 0x1d83,
+  0x2474, 0x1f87,
+  0x2488, 0x1f7e,
+  0x249c, 0x1fb0,
+  0x24ea, 0x2020,
+  0x2500, 0x1d37,
+  0x2550, 0x203b,
+  0x255e, 0x203c,
+  0x2561, 0x203e,
+  0x256a, 0x203d,
+  0x256d, 0x2037,
+  0x256f, 0x203a,
+  0x2570, 0x2039,
+  0x2571, 0x2045,
+  0x2581, 0x2026,
+  0x2589, 0x2034,
+  0x258a, 0x2033,
+  0x258b, 0x2032,
+  0x258c, 0x2031,
+  0x258d, 0x2030,
+  0x258e, 0x202f,
+  0x258f, 0x202e,
+  0x2594, 0x2035,
+  0x25a0, 0x02d9,
+  0x25a1, 0x02d8,
+  0x25a2, 0x1f4f,
+  0x25b2, 0x02db,
+  0x25b3, 0x02da,
+  0x25b7, 0x1f4a,
+  0x25bc, 0x02dd,
+  0x25bd, 0x02dc,
+  0x25c1, 0x1f49,
+  0x25c6, 0x02d7,
+  0x25c7, 0x02d6,
+  0x25c9, 0x2012,
+  0x25cb, 0x02d3,
+  0x25ce, 0x02d5,
+  0x25cf, 0x02d4,
+  0x25e2, 0x203f,
+  0x25e4, 0x2042,
+  0x25e5, 0x2041,
+  0x25ef, 0x030b,
+  0x2600, 0x2017,
+  0x2605, 0x02d2,
+  0x2606, 0x02d1,
+  0x260e, 0x1f78,
+  0x261c, 0x201c,
+  0x261e, 0x201b,
+  0x261f, 0x201e,
+  0x2640, 0x02c2,
+  0x2642, 0x02c1,
+  0x2660, 0x2013,
+  0x2661, 0x1f51,
+  0x2662, 0x1f53,
+  0x2663, 0x2015,
+  0x2664, 0x1f52,
+  0x2665, 0x2014,
+  0x2666, 0x2016,
+  0x2667, 0x1f50,
+  0x266a, 0x0307,
+  0x266d, 0x0306,
+  0x266f, 0x0305,
+  0x2776, 0x205e,
+  0x27a1, 0x200e,
+  0x3000, 0x0279,
+  0x3003, 0x028f,
+  0x3004, 0x2074,
+  0x3005, 0x0291,
+  0x3008, 0x02aa,
+  0x3012, 0x02df,
+  0x3013, 0x02e4,
+  0x3014, 0x02a4,
+  0x301c, 0x0299,
+  0x301d, 0x1db8,
+  0x301f, 0x1db9,
+  0x3020, 0x1f7a,
+  0x3036, 0x1f79,
+  0x3041, 0x034a,
+  0x3094, 0x1f16,
+  0x309b, 0x0283,
+  0x309d, 0x028d,
+  0x30a1, 0x039d,
+  0x30f7, 0x2079,
+  0x30fb, 0x027e,
+  0x30fc, 0x0294,
+  0x30fd, 0x028b,
+  0x322a, 0x2006,
+  0x3230, 0x2005,
+  0x3231, 0x1dc2,
+  0x3233, 0x1fcf,
+  0x3234, 0x1fcd,
+  0x3235, 0x1fd4,
+  0x3236, 0x1fd3,
+  0x3237, 0x200c,
+  0x3238, 0x1fce,
+  0x3239, 0x1dc4,
+  0x323a, 0x1fd7,
+  0x323b, 0x1fd5,
+  0x323c, 0x1fd0,
+  0x323d, 0x1fcb,
+  0x323e, 0x1fd2,
+  0x323f, 0x1fcc,
+  0x3240, 0x1fd6,
+  0x3241, 0x200d,
+  0x3242, 0x1fd1,
+  0x3243, 0x1fca,
+  0x3291, 0x1fe1,
+  0x3292, 0x1fe0,
+  0x3293, 0x1fe2,
+  0x3294, 0x1fdc,
+  0x3296, 0x1fe5,
+  0x3298, 0x1fde,
+  0x3299, 0x201f,
+  0x329d, 0x207f,
+  0x329e, 0x1fff,
+  0x32a4, 0x1dbd,
+  0x32a9, 0x1fda,
+  0x32aa, 0x1fdd,
+  0x32ab, 0x1fdf,
+  0x32ac, 0x1fe3,
+  0x32ad, 0x1fd9,
+  0x32ae, 0x1fe4,
+  0x32af, 0x1fdb,
+  0x32b0, 0x1fd8,
+  0x3300, 0x1f70,
+  0x3303, 0x1f6a,
+  0x3305, 0x1ff7,
+  0x330d, 0x1dab,
+  0x3314, 0x1da2,
+  0x3315, 0x1f69,
+  0x3316, 0x1f67,
+  0x3318, 0x1f68,
+  0x331e, 0x1f73,
+  0x3322, 0x1f66,
+  0x3323, 0x1f6b,
+  0x3326, 0x1dac,
+  0x3327, 0x1da6,
+  0x332a, 0x1f74,
+  0x332b, 0x1dae,
+  0x3331, 0x1f71,
+  0x3333, 0x2087,
+  0x3336, 0x1da8,
+  0x3339, 0x1f6e,
+  0x333b, 0x1f6f,
+  0x3342, 0x1f6d,
+  0x3347, 0x1f72,
+  0x3349, 0x1da1,
+  0x334a, 0x1daf,
+  0x334d, 0x1da4,
+  0x334e, 0x2088,
+  0x3351, 0x1da9,
+  0x3357, 0x1f6c,
+  0x337b, 0x2083,
+  0x337c, 0x1dc7,
+  0x337d, 0x1dc6,
+  0x337e, 0x1dc5,
+  0x337f, 0x1f76,
+  0x3385, 0x1f5f,
+  0x3388, 0x2000,
+  0x338e, 0x1db4,
+  0x3390, 0x1f63,
+  0x3396, 0x1f65,
+  0x3397, 0x1f58,
+  0x3398, 0x1f5a,
+  0x339c, 0x1db1,
+  0x339f, 0x1ffa,
+  0x33a0, 0x1f54,
+  0x33a1, 0x1db7,
+  0x33a2, 0x1f55,
+  0x33a3, 0x1ffb,
+  0x33a4, 0x1f56,
+  0x33a6, 0x1ffc,
+  0x33b0, 0x1f5e,
+  0x33b1, 0x1f5d,
+  0x33b2, 0x1f5c,
+  0x33b3, 0x1f5b,
+  0x33c4, 0x1db6,
+  0x33c8, 0x2002,
+  0x33cb, 0x1f62,
+  0x33cc, 0x1ff6,
+  0x33cd, 0x1dbb,
+  0x33d4, 0x1f64,
+  0x4e00, 0x04b0,
+  0x4e01, 0x0bb8,
+  0x4e03, 0x08e3,
+  0x4e07, 0x0eaa,
+  0x4e08, 0x09ce,
+  0x4e09, 0x087e,
+  0x4e0a, 0x09cd,
+  0x4e0b, 0x053c,
+  0x4e0d, 0x0dc6,
+  0x4e0e, 0x0f29,
+  0x4e10, 0x0ffb,
+  0x4e11, 0x04d1,
+  0x4e14, 0x05cc,
+  0x4e15, 0x0ffc,
+  0x4e16, 0x0a48,
+  0x4e17, 0x10d7,
+  0x4e18, 0x0670,
+  0x4e19, 0x0e0a,
+  0x4e1e, 0x09cf,
+  0x4e21, 0x0f86,
+  0x4e26, 0x0e12,
+  0x4e28, 0x20b3,
+  0x4e2a, 0x0ffd,
+  0x4e2d, 0x0ba4,
+  0x4e31, 0x0ffe,
+  0x4e32, 0x06f2,
+  0x4e36, 0x0fff,
+  0x4e38, 0x0619,
+  0x4e39, 0x0b6e,
+  0x4e3b, 0x0913,
+  0x4e3c, 0x1000,
+  0x4e3f, 0x1001,
+  0x4e42, 0x1002,
+  0x4e43, 0x0ceb,
+  0x4e45, 0x0671,
+  0x4e4b, 0x0ced,
+  0x4e4d, 0x0cbb,
+  0x4e4e, 0x0777,
+  0x4e4f, 0x0e61,
+  0x4e55, 0x1950,
+  0x4e56, 0x1003,
+  0x4e57, 0x09d0,
+  0x4e58, 0x1004,
+  0x4e59, 0x0535,
+  0x4e5d, 0x06dd,
+  0x4e5e, 0x07a4,
+  0x4e5f, 0x0ef5,
+  0x4e62, 0x1233,
+  0x4e71, 0x0f5a,
+  0x4e73, 0x0cd5,
+  0x4e7e, 0x05e1,
+  0x4e80, 0x064f,
+  0x4e82, 0x1005,
+  0x4e85, 0x1006,
+  0x4e86, 0x0f83,
+  0x4e88, 0x0f27,
+  0x4e89, 0x0aea,
+  0x4e8a, 0x1008,
+  0x4e8b, 0x08c4,
+  0x4e8c, 0x0ccb,
+  0x4e8e, 0x100b,
+  0x4e91, 0x04e0,
+  0x4e92, 0x0793,
+  0x4e94, 0x0792,
+  0x4e95, 0x04aa,
+  0x4e98, 0x0ff1,
+  0x4e99, 0x0ff0,
+  0x4e9b, 0x0823,
+  0x4e9c, 0x0465,
+  0x4e9e, 0x100c,
+  0x4ea1, 0x0e62,
+  0x4ea2, 0x100f,
+  0x4ea4, 0x07a6,
+  0x4ea5, 0x04ab,
+  0x4ea6, 0x0ea0,
+  0x4ea8, 0x0696,
+  0x4eab, 0x0697,
+  0x4ead, 0x0bfe,
+  0x4eae, 0x0f84,
+  0x4eb0, 0x1010,
+  0x4eb3, 0x1011,
+  0x4eb6, 0x1012,
+  0x4eba, 0x0a13,
+  0x4ec0, 0x0944,
+  0x4ec1, 0x0a14,
+  0x4ec2, 0x1017,
+  0x4ec4, 0x1015,
+  0x4ec6, 0x1016,
+  0x4ec7, 0x0672,
+  0x4eca, 0x0813,
+  0x4ecb, 0x0570,
+  0x4ecd, 0x1014,
+  0x4ece, 0x1013,
+  0x4ecf, 0x0df9,
+  0x4ed4, 0x0894,
+  0x4ed5, 0x0893,
+  0x4ed6, 0x0b1e,
+  0x4ed7, 0x1018,
+  0x4ed8, 0x0dc7,
+  0x4ed9, 0x0a8b,
+  0x4edd, 0x0290,
+  0x4ede, 0x1019,
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+  0x9f76, 0x1d2e,
+  0x9f77, 0x1d2c,
+  0x9f8d, 0x0f7e,
+  0x9f95, 0x1d2f,
+  0x9f9c, 0x1d30,
+  0x9f9d, 0x1727,
+  0x9fa0, 0x1d31,
+  0xf929, 0x2129,
+  0xf9dc, 0x21ee,
+  0xfa0e, 0x20da,
+  0xfa0f, 0x20e5,
+  0xfa11, 0x20fb,
+  0xfa12, 0x2121,
+  0xfa13, 0x2131,
+  0xfa14, 0x2133,
+  0xfa15, 0x215e,
+  0xfa16, 0x2164,
+  0xfa17, 0x217b,
+  0xfa18, 0x2183,
+  0xfa1b, 0x2187,
+  0xfa1c, 0x218b,
+  0xfa1d, 0x218e,
+  0xfa1e, 0x2197,
+  0xfa1f, 0x21a2,
+  0xfa20, 0x21a4,
+  0xfa22, 0x21ae,
+  0xfa23, 0x21b6,
+  0xfa24, 0x21b8,
+  0xfa26, 0x21bc,
+  0xfa27, 0x21d8,
+  0xfa28, 0x21df,
+  0xfa29, 0x21ef,
+  0xfa2a, 0x21fb,
+  0xfa2c, 0x21fe,
+  0xfa2d, 0x220b,
+  0xfb01, 0x0070,
+  0xfe30, 0x1eda,
+  0xfe31, 0x1ed4,
+  0xfe33, 0x1ed2,
+  0xfe35, 0x1edb,
+  0xfe37, 0x1ee1,
+  0xfe39, 0x1edd,
+  0xfe3b, 0x1eeb,
+  0xfe3d, 0x1ee5,
+  0xfe3f, 0x1ee3,
+  0xfe41, 0x1ee7,
+  0xff01, 0x0282,
+  0xff02, 0x1f47,
+  0xff03, 0x02cc,
+  0xff04, 0x02c8,
+  0xff05, 0x02cb,
+  0xff06, 0x02cd,
+  0xff07, 0x1f46,
+  0xff08, 0x02a2,
+  0xff0a, 0x02ce,
+  0xff0b, 0x02b4,
+  0xff0c, 0x027c,
+  0xff0d, 0x0296,
+  0xff0e, 0x027d,
+  0xff0f, 0x0297,
+  0xff10, 0x030c,
+  0xff1a, 0x027f,
+  0xff1c, 0x02bb,
+  0xff1d, 0x02b9,
+  0xff1e, 0x02bc,
+  0xff1f, 0x0281,
+  0xff20, 0x02cf,
+  0xff21, 0x0316,
+  0xff3b, 0x02a6,
+  0xff3c, 0x0298,
+  0xff3d, 0x02a7,
+  0xff3e, 0x0288,
+  0xff3f, 0x028a,
+  0xff40, 0x0286,
+  0xff41, 0x0330,
+  0xff5b, 0x02a8,
+  0xff5c, 0x029b,
+  0xff5d, 0x02a9,
+  0xff5e, 0x0299,
+  0xff61, 0x0147,
+  0xffe0, 0x02c9,
+  0xffe2, 0x02ef,
+  0xffe3, 0x0289,
+  0xffe4, 0x1f45,
+  0xffe5, 0x02c7,
+  0xffe8, 0x0143,
+  0x00b0, 0x204d,
+  0x2015, 0x1ed4,
+  0x2016, 0x1ed7,
+  0x2018, 0x2059,
+  0x201c, 0x2057,
+  0x2025, 0x1eda,
+  0x2026, 0x1ed9,
+  0x2032, 0x2051,
+  0x2033, 0x205b,
+  0x2190, 0x02e2,
+  0x2191, 0x02e0,
+  0x2192, 0x02e3,
+  0x2193, 0x02e1,
+  0x2225, 0x1ed7,
+  0x223c, 0x1ed6,
+  0x22ef, 0x1ed9,
+  0x2500, 0x1d39,
+  0x2502, 0x1d37,
+  0x2504, 0x1d3d,
+  0x2506, 0x1d3b,
+  0x2508, 0x1d41,
+  0x250a, 0x1d3f,
+  0x250c, 0x1d47,
+  0x250d, 0x1d49,
+  0x250e, 0x1d48,
+  0x250f, 0x1d4a,
+  0x2510, 0x1d4f,
+  0x2511, 0x1d51,
+  0x2512, 0x1d50,
+  0x2513, 0x1d52,
+  0x2514, 0x1d43,
+  0x2515, 0x1d45,
+  0x2516, 0x1d44,
+  0x2517, 0x1d46,
+  0x2518, 0x1d4b,
+  0x2519, 0x1d4d,
+  0x251a, 0x1d4c,
+  0x251b, 0x1d4e,
+  0x251c, 0x1d63,
+  0x251d, 0x1d67,
+  0x251e, 0x1d65,
+  0x251f, 0x1d64,
+  0x2520, 0x1d66,
+  0x2521, 0x1d69,
+  0x2522, 0x1d68,
+  0x2523, 0x1d6a,
+  0x2525, 0x1d6f,
+  0x2526, 0x1d6d,
+  0x2527, 0x1d6c,
+  0x2528, 0x1d6e,
+  0x2529, 0x1d71,
+  0x252a, 0x1d70,
+  0x252b, 0x1d72,
+  0x252c, 0x1d5b,
+  0x252d, 0x1d5d,
+  0x2530, 0x1d5c,
+  0x2531, 0x1d60,
+  0x2534, 0x1d53,
+  0x2535, 0x1d55,
+  0x2538, 0x1d54,
+  0x2539, 0x1d58,
+  0x253d, 0x1d77,
+  0x2540, 0x1d75,
+  0x2541, 0x1d74,
+  0x2542, 0x1d76,
+  0x2543, 0x1d7b,
+  0x2544, 0x1d7d,
+  0x2545, 0x1d7a,
+  0x2546, 0x1d7c,
+  0x2547, 0x1d81,
+  0x2548, 0x1d80,
+  0x2549, 0x1d7e,
+  0x3001, 0x1ecf,
+  0x3008, 0x1ee3,
+  0x3013, 0x204e,
+  0x3014, 0x1edd,
+  0x301c, 0x1ed6,
+  0x301d, 0x1f14,
+  0x301f, 0x1f15,
+  0x3041, 0x1eee,
+  0x3043, 0x1eef,
+  0x3045, 0x1ef0,
+  0x3047, 0x1ef1,
+  0x3049, 0x1ef2,
+  0x3063, 0x1ef3,
+  0x3083, 0x1ef4,
+  0x3085, 0x1ef5,
+  0x3087, 0x1ef6,
+  0x308e, 0x1ef7,
+  0x309b, 0x2050,
+  0x309c, 0x204f,
+  0x30a1, 0x1ef8,
+  0x30a3, 0x1ef9,
+  0x30a5, 0x1efa,
+  0x30a7, 0x1efb,
+  0x30a9, 0x1efc,
+  0x30c3, 0x1efd,
+  0x30e3, 0x1efe,
+  0x30e5, 0x1eff,
+  0x30e7, 0x1f00,
+  0x30ee, 0x1f01,
+  0x30f5, 0x1f02,
+  0x30fc, 0x1ed3,
+  0x3300, 0x209e,
+  0x3303, 0x2092,
+  0x3305, 0x208d,
+  0x330d, 0x1f0e,
+  0x3314, 0x1f05,
+  0x3315, 0x2094,
+  0x3316, 0x208a,
+  0x3318, 0x2093,
+  0x331e, 0x20a1,
+  0x3322, 0x2089,
+  0x3323, 0x209c,
+  0x3326, 0x1f0f,
+  0x3327, 0x1f09,
+  0x332a, 0x20a4,
+  0x332b, 0x1f11,
+  0x3331, 0x20a6,
+  0x3333, 0x208e,
+  0x3336, 0x1f0b,
+  0x3339, 0x2097,
+  0x333b, 0x209d,
+  0x3342, 0x209b,
+  0x3347, 0x20a5,
+  0x3349, 0x1f04,
+  0x334a, 0x1f12,
+  0x334d, 0x1f07,
+  0x334e, 0x2091,
+  0x3351, 0x1f0c,
+  0x3357, 0x2098,
+  0x337f, 0x2084,
+  0xff08, 0x1edb,
+  0xff0c, 0x204c,
+  0xff0d, 0x1ed5,
+  0xff0e, 0x2052,
+  0xff1d, 0x1eed,
+  0xff3b, 0x1edf,
+  0xff3d, 0x1ee0,
+  0xff3f, 0x1ed2,
+  0xff5b, 0x1ee1,
+  0xff5c, 0x1ed8,
+  0xff5d, 0x1ee2,
+  0xff5e, 0x1ed6,
+  0xffe3, 0x1ed1,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12UniJISUCS2VEnc16 = {
+  1,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12UniJISUCS2VMap2, 7108
+};
+
+static Gushort japan12VMap2[294] = {
+  0x0000, 0x0000,
+  0x2121, 0x0279,
+  0x2221, 0x02d7,
+  0x223a, 0x02e5,
+  0x224a, 0x02ed,
+  0x225c, 0x02f4,
+  0x2272, 0x0303,
+  0x227e, 0x030b,
+  0x2330, 0x030c,
+  0x2341, 0x0316,
+  0x2361, 0x0330,
+  0x2421, 0x034a,
+  0x2521, 0x039d,
+  0x2621, 0x03f3,
+  0x2641, 0x040b,
+  0x2721, 0x0423,
+  0x2751, 0x0444,
+  0x2821, 0x1d37,
+  0x2822, 0x1d39,
+  0x2823, 0x1d43,
+  0x2824, 0x1d47,
+  0x2825, 0x1d4f,
+  0x2826, 0x1d4b,
+  0x2827, 0x1d53,
+  0x2828, 0x1d63,
+  0x2829, 0x1d5b,
+  0x282a, 0x1d6b,
+  0x282b, 0x1d73,
+  0x282c, 0x1d38,
+  0x282d, 0x1d3a,
+  0x282e, 0x1d46,
+  0x282f, 0x1d4a,
+  0x2830, 0x1d52,
+  0x2831, 0x1d4e,
+  0x2832, 0x1d5a,
+  0x2833, 0x1d6a,
+  0x2834, 0x1d62,
+  0x2835, 0x1d72,
+  0x2836, 0x1d82,
+  0x2837, 0x1d57,
+  0x2838, 0x1d66,
+  0x2839, 0x1d5f,
+  0x283a, 0x1d6e,
+  0x283b, 0x1d76,
+  0x283c, 0x1d54,
+  0x283d, 0x1d67,
+  0x283e, 0x1d5c,
+  0x283f, 0x1d6f,
+  0x2840, 0x1d79,
+  0x3021, 0x0465,
+  0x3121, 0x04c3,
+  0x3221, 0x0521,
+  0x3321, 0x057f,
+  0x3421, 0x05dd,
+  0x3521, 0x063b,
+  0x3621, 0x0699,
+  0x3721, 0x06f7,
+  0x3821, 0x0755,
+  0x3921, 0x07b3,
+  0x3a21, 0x0811,
+  0x3b21, 0x086f,
+  0x3c21, 0x08cd,
+  0x3d21, 0x092b,
+  0x3e21, 0x0989,
+  0x3f21, 0x09e7,
+  0x4021, 0x0a45,
+  0x4121, 0x0aa3,
+  0x4221, 0x0b01,
+  0x4321, 0x0b5f,
+  0x4421, 0x0bbd,
+  0x4521, 0x0c1b,
+  0x4621, 0x0c79,
+  0x4721, 0x0cd7,
+  0x4821, 0x0d35,
+  0x4921, 0x0d93,
+  0x4a21, 0x0df1,
+  0x4b21, 0x0e4f,
+  0x4c21, 0x0ead,
+  0x4d21, 0x0f0b,
+  0x4e21, 0x0f69,
+  0x4f21, 0x0fc7,
+  0x5021, 0x0ffa,
+  0x5121, 0x1058,
+  0x5221, 0x10b6,
+  0x5321, 0x1114,
+  0x5421, 0x1172,
+  0x5521, 0x11d0,
+  0x5621, 0x122e,
+  0x5721, 0x128c,
+  0x5821, 0x12ea,
+  0x5921, 0x1348,
+  0x5a21, 0x13a6,
+  0x5b21, 0x1404,
+  0x5c21, 0x1462,
+  0x5d21, 0x14c0,
+  0x5e21, 0x151e,
+  0x5f21, 0x157c,
+  0x6021, 0x15da,
+  0x6121, 0x1638,
+  0x6221, 0x1696,
+  0x6321, 0x16f4,
+  0x6421, 0x1752,
+  0x6521, 0x17b0,
+  0x6621, 0x180e,
+  0x6721, 0x186c,
+  0x6821, 0x18ca,
+  0x6921, 0x1928,
+  0x6a21, 0x1986,
+  0x6b21, 0x19e4,
+  0x6c21, 0x1a42,
+  0x6d21, 0x1aa0,
+  0x6e21, 0x1afe,
+  0x6f21, 0x1b5c,
+  0x7021, 0x1bba,
+  0x7121, 0x1c18,
+  0x7221, 0x1c76,
+  0x7321, 0x1cd4,
+  0x7421, 0x1d32,
+  0x7425, 0x205c,
+  0x2122, 0x1ecf,
+  0x2131, 0x1ed1,
+  0x213c, 0x1ed3,
+  0x2141, 0x1ed6,
+  0x214a, 0x1edb,
+  0x2161, 0x1eed,
+  0x2421, 0x1eee,
+  0x2423, 0x1eef,
+  0x2425, 0x1ef0,
+  0x2427, 0x1ef1,
+  0x2429, 0x1ef2,
+  0x2443, 0x1ef3,
+  0x2463, 0x1ef4,
+  0x2465, 0x1ef5,
+  0x2467, 0x1ef6,
+  0x246e, 0x1ef7,
+  0x2521, 0x1ef8,
+  0x2523, 0x1ef9,
+  0x2525, 0x1efa,
+  0x2527, 0x1efb,
+  0x2529, 0x1efc,
+  0x2543, 0x1efd,
+  0x2563, 0x1efe,
+  0x2565, 0x1eff,
+  0x2567, 0x1f00,
+  0x256e, 0x1f01,
+  0x2575, 0x1f02,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12VEnc16 = {
+  1,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12VMap2, 147
+};
+
+static Gushort japan12WPSymbolMap2[4] = {
+  0x0000, 0x0000,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12WPSymbolEnc16 = {
+  0,
+  { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x1f78, 0x1f7a, 0x1fff, 0x2004, 0x1f7d, 0x1f7e, 0x1f7f,
+    0x1f80, 0x1f81, 0x1f82, 0x1f83, 0x1f84, 0x1f85, 0x1f86, 0x1f87,
+    0x1f88, 0x1f89, 0x1f8a, 0x1f8b, 0x1f8c, 0x1f8d, 0x1f8e, 0x1f8f,
+    0x1f90, 0x1f9c, 0x1f9d, 0x1f9e, 0x1f9f, 0x1fa0, 0x1fa1, 0x1fa2,
+    0x1fa3, 0x1fa4, 0x1fa5, 0x1ffa, 0x1f54, 0x1f55, 0x1ffb, 0x1f56,
+    0x1f57, 0x1ffc, 0x1f65, 0x1f58, 0x1f59, 0x1f5a, 0x1ffd, 0x1ffe,
+    0x2000, 0x2001, 0x1edb, 0x1edc, 0x1ed6, 0x2002, 0x1f63, 0x1f5b,
+    0x1f5c, 0x1f5d, 0x2003, 0x1fb0, 0x1fb1, 0x1fb2, 0x1fb3, 0x1fb4,
+    0x1fb5, 0x1fb6, 0x1fb7, 0x1fb8, 0x1fb9, 0x1fba, 0x1fbb, 0x1fbc,
+    0x1fbd, 0x1fbe, 0x1fbf, 0x1fc0, 0x1fc1, 0x1fc2, 0x1fc3, 0x1fc4,
+    0x1fc5, 0x1fc6, 0x1fc7, 0x1fc8, 0x1fc9, 0x2005, 0x2006, 0x2007,
+    0x2008, 0x2009, 0x200a, 0x200b, 0x200c, 0x200d, 0x1fd7, 0x0000,
+    0x0000, 0x200e, 0x200f, 0x2010, 0x2011, 0x2012, 0x2013, 0x2014,
+    0x2015, 0x2016, 0x2017, 0x2018, 0x2019, 0x201a, 0x201b, 0x201c,
+    0x201d, 0x201e, 0x1f79, 0x201f, 0x2020, 0x2021, 0x2022, 0x2023,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12WPSymbolMap2, 2
+};
+
+static Gushort japan12AdobeJapan12VMap2[74] = {
+  0x0000, 0x0000,
+  0x0000, 0x0000,
+  0x0100, 0x0100,
+  0x0200, 0x0200,
+  0x0300, 0x0300,
+  0x0400, 0x0400,
+  0x0500, 0x0500,
+  0x0600, 0x0600,
+  0x0700, 0x0700,
+  0x0800, 0x0800,
+  0x0900, 0x0900,
+  0x0a00, 0x0a00,
+  0x0b00, 0x0b00,
+  0x0c00, 0x0c00,
+  0x0d00, 0x0d00,
+  0x0e00, 0x0e00,
+  0x0f00, 0x0f00,
+  0x1000, 0x1000,
+  0x1100, 0x1100,
+  0x1200, 0x1200,
+  0x1300, 0x1300,
+  0x1400, 0x1400,
+  0x1500, 0x1500,
+  0x1600, 0x1600,
+  0x1700, 0x1700,
+  0x1800, 0x1800,
+  0x1900, 0x1900,
+  0x1a00, 0x1a00,
+  0x1b00, 0x1b00,
+  0x1c00, 0x1c00,
+  0x1d00, 0x1d00,
+  0x1e00, 0x1e00,
+  0x1f00, 0x1f00,
+  0x2000, 0x2000,
+  0x2100, 0x2100,
+  0x2200, 0x2200,
+  0xffff, 0x0000
+};
+
+static GfxFontEncoding16 japan12AdobeJapan12VEnc16 = {
+  1,
+  { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
+  { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 },
+  japan12AdobeJapan12VMap2, 37
+};
+
+static struct {
+  char *name;
+  GfxFontEncoding16 *enc;
+} gfxJapan12Tab[] = {
+  { "78-EUC-H",                         &japan1278EUCHEnc16 },
+  { "78-EUC-V",                         &japan1278EUCVEnc16 },
+  { "78-H",                             &japan1278HEnc16 },
+  { "78-RKSJ-H",                        &japan1278RKSJHEnc16 },
+  { "78-RKSJ-V",                        &japan1278RKSJVEnc16 },
+  { "78-V",                             &japan1278VEnc16 },
+  { "78ms-RKSJ-H",                      &japan1278msRKSJHEnc16 },
+  { "78ms-RKSJ-V",                      &japan1278msRKSJVEnc16 },
+  { "83pv-RKSJ-H",                      &japan1283pvRKSJHEnc16 },
+  { "90ms-RKSJ-H",                      &japan1290msRKSJHEnc16 },
+  { "90ms-RKSJ-V",                      &japan1290msRKSJVEnc16 },
+  { "90msp-RKSJ-H",                     &japan1290mspRKSJHEnc16 },
+  { "90msp-RKSJ-V",                     &japan1290mspRKSJVEnc16 },
+  { "90pv-RKSJ-H",                      &japan1290pvRKSJHEnc16 },
+  { "90pv-RKSJ-V",                      &japan1290pvRKSJVEnc16 },
+  { "Add-H",                            &japan12AddHEnc16 },
+  { "Add-RKSJ-H",                       &japan12AddRKSJHEnc16 },
+  { "Add-RKSJ-V",                       &japan12AddRKSJVEnc16 },
+  { "Add-V",                            &japan12AddVEnc16 },
+  { "Adobe-Japan1-0",                   &japan12AdobeJapan10Enc16 },
+  { "Adobe-Japan1-1",                   &japan12AdobeJapan11Enc16 },
+  { "Adobe-Japan1-2",                   &japan12AdobeJapan12Enc16 },
+  { "EUC-H",                            &japan12EUCHEnc16 },
+  { "EUC-V",                            &japan12EUCVEnc16 },
+  { "Ext-H",                            &japan12ExtHEnc16 },
+  { "Ext-RKSJ-H",                       &japan12ExtRKSJHEnc16 },
+  { "Ext-RKSJ-V",                       &japan12ExtRKSJVEnc16 },
+  { "Ext-V",                            &japan12ExtVEnc16 },
+  { "H",                                &japan12HEnc16 },
+  { "Hankaku",                          &japan12HankakuEnc16 },
+  { "Hiragana",                         &japan12HiraganaEnc16 },
+  { "Katakana",                         &japan12KatakanaEnc16 },
+  { "NWP-H",                            &japan12NWPHEnc16 },
+  { "NWP-V",                            &japan12NWPVEnc16 },
+  { "RKSJ-H",                           &japan12RKSJHEnc16 },
+  { "RKSJ-V",                           &japan12RKSJVEnc16 },
+  { "Roman",                            &japan12RomanEnc16 },
+  { "UniJIS-UCS2-H",                    &japan12UniJISUCS2HEnc16 },
+  { "UniJIS-UCS2-V",                    &japan12UniJISUCS2VEnc16 },
+  { "V",                                &japan12VEnc16 },
+  { "WP-Symbol",                        &japan12WPSymbolEnc16 },
+  { "Identity-H",                       &japan12AdobeJapan12Enc16 },
+  { "Identity-V",                       &japan12AdobeJapan12VEnc16 },
+  { NULL,                               NULL }
+};
+
+#endif
diff --git a/pdftops/Japan12ToRKSJ.h b/pdftops/Japan12ToRKSJ.h
new file mode 100644
index 000000000..5ca62c30c
--- /dev/null
+++ b/pdftops/Japan12ToRKSJ.h
@@ -0,0 +1,1038 @@
+static Gushort japan12ToRKSJ[8286] = {
+  0x0020, 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026,
+  0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e,
+  0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036,
+  0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+  0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046,
+  0x0047, 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e,
+  0x004f, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
+  0x0057, 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e,
+  0x005f, 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066,
+  0x0067, 0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e,
+  0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076,
+  0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028,
+  0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, 0x0030,
+  0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038,
+  0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
+  0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048,
+  0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+  0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
+  0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0060,
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+  0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af, 0x00b0, 0x00b1,
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+  0x8157, 0x8158, 0x8159, 0x815a, 0x815b, 0x815c, 0x815d, 0x815e,
+  0x815f, 0x8160, 0x8161, 0x8162, 0x8163, 0x8164, 0x8165, 0x8166,
+  0x8167, 0x8168, 0x8169, 0x816a, 0x816b, 0x816c, 0x816d, 0x816e,
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+  0x8177, 0x8178, 0x8179, 0x817a, 0x817b, 0x817c, 0x817d, 0x817e,
+  0x8180, 0x8181, 0x8182, 0x8183, 0x8184, 0x8185, 0x8186, 0x8187,
+  0x8188, 0x8189, 0x818a, 0x818b, 0x818c, 0x818d, 0x818e, 0x818f,
+  0x8190, 0x8191, 0x8192, 0x8193, 0x8194, 0x8195, 0x8196, 0x8197,
+  0x8198, 0x8199, 0x819a, 0x819b, 0x819c, 0x819d, 0x819e, 0x819f,
+  0x81a0, 0x81a1, 0x81a2, 0x81a3, 0x81a4, 0x81a5, 0x81a6, 0x81a7,
+  0x81a8, 0x81a9, 0x81aa, 0x81ab, 0x81ac, 0x81b8, 0x81b9, 0x81ba,
+  0x81bb, 0x81bc, 0x81bd, 0x81be, 0x81bf, 0x81c8, 0x81c9, 0x81ca,
+  0x81cb, 0x81cc, 0x81cd, 0x81ce, 0x81da, 0x81db, 0x81dc, 0x81dd,
+  0x81de, 0x81df, 0x81e0, 0x81e1, 0x81e2, 0x81e3, 0x81e4, 0x81e5,
+  0x81e6, 0x81e7, 0x81e8, 0x81f0, 0x81f1, 0x81f2, 0x81f3, 0x81f4,
+  0x81f5, 0x81f6, 0x81f7, 0x81fc, 0x824f, 0x8250, 0x8251, 0x8252,
+  0x8253, 0x8254, 0x8255, 0x8256, 0x8257, 0x8258, 0x8260, 0x8261,
+  0x8262, 0x8263, 0x8264, 0x8265, 0x8266, 0x8267, 0x8268, 0x8269,
+  0x826a, 0x826b, 0x826c, 0x826d, 0x826e, 0x826f, 0x8270, 0x8271,
+  0x8272, 0x8273, 0x8274, 0x8275, 0x8276, 0x8277, 0x8278, 0x8279,
+  0x8281, 0x8282, 0x8283, 0x8284, 0x8285, 0x8286, 0x8287, 0x8288,
+  0x8289, 0x828a, 0x828b, 0x828c, 0x828d, 0x828e, 0x828f, 0x8290,
+  0x8291, 0x8292, 0x8293, 0x8294, 0x8295, 0x8296, 0x8297, 0x8298,
+  0x8299, 0x829a, 0x829f, 0x82a0, 0x82a1, 0x82a2, 0x82a3, 0x82a4,
+  0x82a5, 0x82a6, 0x82a7, 0x82a8, 0x82a9, 0x82aa, 0x82ab, 0x82ac,
+  0x82ad, 0x82ae, 0x82af, 0x82b0, 0x82b1, 0x82b2, 0x82b3, 0x82b4,
+  0x82b5, 0x82b6, 0x82b7, 0x82b8, 0x82b9, 0x82ba, 0x82bb, 0x82bc,
+  0x82bd, 0x82be, 0x82bf, 0x82c0, 0x82c1, 0x82c2, 0x82c3, 0x82c4,
+  0x82c5, 0x82c6, 0x82c7, 0x82c8, 0x82c9, 0x82ca, 0x82cb, 0x82cc,
+  0x82cd, 0x82ce, 0x82cf, 0x82d0, 0x82d1, 0x82d2, 0x82d3, 0x82d4,
+  0x82d5, 0x82d6, 0x82d7, 0x82d8, 0x82d9, 0x82da, 0x82db, 0x82dc,
+  0x82dd, 0x82de, 0x82df, 0x82e0, 0x82e1, 0x82e2, 0x82e3, 0x82e4,
+  0x82e5, 0x82e6, 0x82e7, 0x82e8, 0x82e9, 0x82ea, 0x82eb, 0x82ec,
+  0x82ed, 0x82ee, 0x82ef, 0x82f0, 0x82f1, 0x8340, 0x8341, 0x8342,
+  0x8343, 0x8344, 0x8345, 0x8346, 0x8347, 0x8348, 0x8349, 0x834a,
+  0x834b, 0x834c, 0x834d, 0x834e, 0x834f, 0x8350, 0x8351, 0x8352,
+  0x8353, 0x8354, 0x8355, 0x8356, 0x8357, 0x8358, 0x8359, 0x835a,
+  0x835b, 0x835c, 0x835d, 0x835e, 0x835f, 0x8360, 0x8361, 0x8362,
+  0x8363, 0x8364, 0x8365, 0x8366, 0x8367, 0x8368, 0x8369, 0x836a,
+  0x836b, 0x836c, 0x836d, 0x836e, 0x836f, 0x8370, 0x8371, 0x8372,
+  0x8373, 0x8374, 0x8375, 0x8376, 0x8377, 0x8378, 0x8379, 0x837a,
+  0x837b, 0x837c, 0x837d, 0x837e, 0x8380, 0x8381, 0x8382, 0x8383,
+  0x8384, 0x8385, 0x8386, 0x8387, 0x8388, 0x8389, 0x838a, 0x838b,
+  0x838c, 0x838d, 0x838e, 0x838f, 0x8390, 0x8391, 0x8392, 0x8393,
+  0x8394, 0x8395, 0x8396, 0x839f, 0x83a0, 0x83a1, 0x83a2, 0x83a3,
+  0x83a4, 0x83a5, 0x83a6, 0x83a7, 0x83a8, 0x83a9, 0x83aa, 0x83ab,
+  0x83ac, 0x83ad, 0x83ae, 0x83af, 0x83b0, 0x83b1, 0x83b2, 0x83b3,
+  0x83b4, 0x83b5, 0x83b6, 0x83bf, 0x83c0, 0x83c1, 0x83c2, 0x83c3,
+  0x83c4, 0x83c5, 0x83c6, 0x83c7, 0x83c8, 0x83c9, 0x83ca, 0x83cb,
+  0x83cc, 0x83cd, 0x83ce, 0x83cf, 0x83d0, 0x83d1, 0x83d2, 0x83d3,
+  0x83d4, 0x83d5, 0x83d6, 0x8440, 0x8441, 0x8442, 0x8443, 0x8444,
+  0x8445, 0x8446, 0x8447, 0x8448, 0x8449, 0x844a, 0x844b, 0x844c,
+  0x844d, 0x844e, 0x844f, 0x8450, 0x8451, 0x8452, 0x8453, 0x8454,
+  0x8455, 0x8456, 0x8457, 0x8458, 0x8459, 0x845a, 0x845b, 0x845c,
+  0x845d, 0x845e, 0x845f, 0x8460, 0x8470, 0x8471, 0x8472, 0x8473,
+  0x8474, 0x8475, 0x8476, 0x8477, 0x8478, 0x8479, 0x847a, 0x847b,
+  0x847c, 0x847d, 0x847e, 0x8480, 0x8481, 0x8482, 0x8483, 0x8484,
+  0x8485, 0x8486, 0x8487, 0x8488, 0x8489, 0x848a, 0x848b, 0x848c,
+  0x848d, 0x848e, 0x848f, 0x8490, 0x8491, 0x889f, 0x88a0, 0x88a1,
+  0x88a2, 0x88a3, 0x88a4, 0x88a5, 0x88a6, 0x88a7, 0x88a8, 0x88a9,
+  0x88aa, 0x88ab, 0x88ac, 0x88ad, 0x88ae, 0x88af, 0x88b0, 0x88b1,
+  0x88b2, 0x88b3, 0x88b4, 0x88b5, 0x88b6, 0x88b7, 0x88b8, 0x88b9,
+  0x88ba, 0x88bb, 0x88bc, 0x88bd, 0x88be, 0x88bf, 0x88c0, 0x88c1,
+  0x88c2, 0x88c3, 0x88c4, 0x88c5, 0x88c6, 0x88c7, 0x88c8, 0x88c9,
+  0x88ca, 0x88cb, 0x88cc, 0x88cd, 0x88ce, 0x88cf, 0x88d0, 0x88d1,
+  0x88d2, 0x88d3, 0x88d4, 0x88d5, 0x88d6, 0x88d7, 0x88d8, 0x88d9,
+  0x88da, 0x88db, 0x88dc, 0x88dd, 0x88de, 0x88df, 0x88e0, 0x88e1,
+  0x88e2, 0x88e3, 0x88e4, 0x88e5, 0x88e6, 0x88e7, 0x88e8, 0x88e9,
+  0x88ea, 0x88eb, 0x88ec, 0x88ed, 0x88ee, 0x88ef, 0x88f0, 0x88f1,
+  0x88f2, 0x88f3, 0x88f4, 0x88f5, 0x88f6, 0x88f7, 0x88f8, 0x88f9,
+  0x88fa, 0x88fb, 0x88fc, 0x8940, 0x8941, 0x8942, 0x8943, 0x8944,
+  0x8945, 0x8946, 0x8947, 0x8948, 0x8949, 0x894a, 0x894b, 0x894c,
+  0x894d, 0x894e, 0x894f, 0x8950, 0x8951, 0x8952, 0x8953, 0x8954,
+  0x8955, 0x8956, 0x8957, 0x8958, 0x8959, 0x895a, 0x895b, 0x895c,
+  0x895d, 0x895e, 0x895f, 0x8960, 0x8961, 0x8962, 0x8963, 0x8964,
+  0x8965, 0x8966, 0x8967, 0x8968, 0x8969, 0x896a, 0x896b, 0x896c,
+  0x896d, 0x896e, 0x896f, 0x8970, 0x8971, 0x8972, 0x8973, 0x8974,
+  0x8975, 0x8976, 0x8977, 0x8978, 0x8979, 0x897a, 0x897b, 0x897c,
+  0x897d, 0x897e, 0x8980, 0x8981, 0x8982, 0x8983, 0x8984, 0x8985,
+  0x8986, 0x8987, 0x8988, 0x8989, 0x898a, 0x898b, 0x898c, 0x898d,
+  0x898e, 0x898f, 0x8990, 0x8991, 0x8992, 0x8993, 0x8994, 0x8995,
+  0x8996, 0x8997, 0x8998, 0x8999, 0x899a, 0x899b, 0x899c, 0x899d,
+  0x899e, 0x899f, 0x89a0, 0x89a1, 0x89a2, 0x89a3, 0x89a4, 0x89a5,
+  0x89a6, 0x89a7, 0x89a8, 0x89a9, 0x89aa, 0x89ab, 0x89ac, 0x89ad,
+  0x89ae, 0x89af, 0x89b0, 0x89b1, 0x89b2, 0x89b3, 0x89b4, 0x89b5,
+  0x89b6, 0x89b7, 0x89b8, 0x89b9, 0x89ba, 0x89bb, 0x89bc, 0x89bd,
+  0x89be, 0x89bf, 0x89c0, 0x89c1, 0x89c2, 0x89c3, 0x89c4, 0x89c5,
+  0x89c6, 0x89c7, 0x89c8, 0x89c9, 0x89ca, 0x89cb, 0x89cc, 0x89cd,
+  0x89ce, 0x89cf, 0x89d0, 0x89d1, 0x89d2, 0x89d3, 0x89d4, 0x89d5,
+  0x89d6, 0x89d7, 0x89d8, 0x89d9, 0x89da, 0x89db, 0x89dc, 0x89dd,
+  0x89de, 0x89df, 0x89e0, 0x89e1, 0x89e2, 0x89e3, 0x89e4, 0x89e5,
+  0x89e6, 0x89e7, 0x89e8, 0x89e9, 0x89ea, 0x89eb, 0x89ec, 0x89ed,
+  0x89ee, 0x89ef, 0x89f0, 0x89f1, 0x89f2, 0x89f3, 0x89f4, 0x89f5,
+  0x89f6, 0x89f7, 0x89f8, 0x89f9, 0x89fa, 0x89fb, 0x89fc, 0x8a40,
+  0x8a41, 0x8a42, 0x8a43, 0x8a44, 0x8a45, 0x8a46, 0x8a47, 0x8a48,
+  0x8a49, 0x8a4a, 0x8a4b, 0x8a4c, 0x8a4d, 0x8a4e, 0x8a4f, 0x8a50,
+  0x8a51, 0x8a52, 0x8a53, 0x8a54, 0x8a55, 0x8a56, 0x8a57, 0x8a58,
+  0x8a59, 0x8a5a, 0x8a5b, 0x8a5c, 0x8a5d, 0x8a5e, 0x8a5f, 0x8a60,
+  0x8a61, 0x8a62, 0x8a63, 0x8a64, 0x8a65, 0x8a66, 0x8a67, 0x8a68,
+  0x8a69, 0x8a6a, 0x8a6b, 0x8a6c, 0x8a6d, 0x8a6e, 0x8a6f, 0x8a70,
+  0x8a71, 0x8a72, 0x8a73, 0x8a74, 0x8a75, 0x8a76, 0x8a77, 0x8a78,
+  0x8a79, 0x8a7a, 0x8a7b, 0x8a7c, 0x8a7d, 0x8a7e, 0x8a80, 0x8a81,
+  0x8a82, 0x8a83, 0x8a84, 0x8a85, 0x8a86, 0x8a87, 0x8a88, 0x8a89,
+  0x8a8a, 0x8a8b, 0x8a8c, 0x8a8d, 0x8a8e, 0x8a8f, 0x8a90, 0x8a91,
+  0x8a92, 0x8a93, 0x8a94, 0x8a95, 0x8a96, 0x8a97, 0x8a98, 0x8a99,
+  0x8a9a, 0x8a9b, 0x8a9c, 0x8a9d, 0x8a9e, 0x8a9f, 0x8aa0, 0x8aa1,
+  0x8aa2, 0x8aa3, 0x8aa4, 0x8aa5, 0x8aa6, 0x8aa7, 0x8aa8, 0x8aa9,
+  0x8aaa, 0x8aab, 0x8aac, 0x8aad, 0x8aae, 0x8aaf, 0x8ab0, 0x8ab1,
+  0x8ab2, 0x8ab3, 0x8ab4, 0x8ab5, 0x8ab6, 0x8ab7, 0x8ab8, 0x8ab9,
+  0x8aba, 0x8abb, 0x8abc, 0x8abd, 0x8abe, 0x8abf, 0x8ac0, 0x8ac1,
+  0x8ac2, 0x8ac3, 0x8ac4, 0x8ac5, 0x8ac6, 0x8ac7, 0x8ac8, 0x8ac9,
+  0x8aca, 0x8acb, 0x8acc, 0x8acd, 0x8ace, 0x8acf, 0x8ad0, 0x8ad1,
+  0x8ad2, 0x8ad3, 0x8ad4, 0x8ad5, 0x8ad6, 0x8ad7, 0x8ad8, 0x8ad9,
+  0x8ada, 0x8adb, 0x8adc, 0x8add, 0x8ade, 0x8adf, 0x8ae0, 0x8ae1,
+  0x8ae2, 0x8ae3, 0x8ae4, 0x8ae5, 0x8ae6, 0x8ae7, 0x8ae8, 0x8ae9,
+  0x8aea, 0x8aeb, 0x8aec, 0x8aed, 0x8aee, 0x8aef, 0x8af0, 0x8af1,
+  0x8af2, 0x8af3, 0x8af4, 0x8af5, 0x8af6, 0x8af7, 0x8af8, 0x8af9,
+  0x8afa, 0x8afb, 0x8afc, 0x8b40, 0x8b41, 0x8b42, 0x8b43, 0x8b44,
+  0x8b45, 0x8b46, 0x8b47, 0x8b48, 0x8b49, 0x8b4a, 0x8b4b, 0x8b4c,
+  0x8b4d, 0x8b4e, 0x8b4f, 0x8b50, 0x8b51, 0x8b52, 0x8b53, 0x8b54,
+  0x8b55, 0x8b56, 0x8b57, 0x8b58, 0x8b59, 0x8b5a, 0x8b5b, 0x8b5c,
+  0x8b5d, 0x8b5e, 0x8b5f, 0x8b60, 0x8b61, 0x8b62, 0x8b63, 0x8b64,
+  0x8b65, 0x8b66, 0x8b67, 0x8b68, 0x8b69, 0x8b6a, 0x8b6b, 0x8b6c,
+  0x8b6d, 0x8b6e, 0x8b6f, 0x8b70, 0x8b71, 0x8b72, 0x8b73, 0x8b74,
+  0x8b75, 0x8b76, 0x8b77, 0x8b78, 0x8b79, 0x8b7a, 0x8b7b, 0x8b7c,
+  0x8b7d, 0x8b7e, 0x8b80, 0x8b81, 0x8b82, 0x8b83, 0x8b84, 0x8b85,
+  0x8b86, 0x8b87, 0x8b88, 0x8b89, 0x8b8a, 0x8b8b, 0x8b8c, 0x8b8d,
+  0x8b8e, 0x8b8f, 0x8b90, 0x8b91, 0x8b92, 0x8b93, 0x8b94, 0x8b95,
+  0x8b96, 0x8b97, 0x8b98, 0x8b99, 0x8b9a, 0x8b9b, 0x8b9c, 0x8b9d,
+  0x8b9e, 0x8b9f, 0x8ba0, 0x8ba1, 0x8ba2, 0x8ba3, 0x8ba4, 0x8ba5,
+  0x8ba6, 0x8ba7, 0x8ba8, 0x8ba9, 0x8baa, 0x8bab, 0x8bac, 0x8bad,
+  0x8bae, 0x8baf, 0x8bb0, 0x8bb1, 0x8bb2, 0x8bb3, 0x8bb4, 0x8bb5,
+  0x8bb6, 0x8bb7, 0x8bb8, 0x8bb9, 0x8bba, 0x8bbb, 0x8bbc, 0x8bbd,
+  0x8bbe, 0x8bbf, 0x8bc0, 0x8bc1, 0x8bc2, 0x8bc3, 0x8bc4, 0x8bc5,
+  0x8bc6, 0x8bc7, 0x8bc8, 0x8bc9, 0x8bca, 0x8bcb, 0x8bcc, 0x8bcd,
+  0x8bce, 0x8bcf, 0x8bd0, 0x8bd1, 0x8bd2, 0x8bd3, 0x8bd4, 0x8bd5,
+  0x8bd6, 0x8bd7, 0x8bd8, 0x8bd9, 0x8bda, 0x8bdb, 0x8bdc, 0x8bdd,
+  0x8bde, 0x8bdf, 0x8be0, 0x8be1, 0x8be2, 0x8be3, 0x8be4, 0x8be5,
+  0x8be6, 0x8be7, 0x8be8, 0x8be9, 0x8bea, 0x8beb, 0x8bec, 0x8bed,
+  0x8bee, 0x8bef, 0x8bf0, 0x8bf1, 0x8bf2, 0x8bf3, 0x8bf4, 0x8bf5,
+  0x8bf6, 0x8bf7, 0x8bf8, 0x8bf9, 0x8bfa, 0x8bfb, 0x8bfc, 0x8c40,
+  0x8c41, 0x8c42, 0x8c43, 0x8c44, 0x8c45, 0x8c46, 0x8c47, 0x8c48,
+  0x8c49, 0x8c4a, 0x8c4b, 0x8c4c, 0x8c4d, 0x8c4e, 0x8c4f, 0x8c50,
+  0x8c51, 0x8c52, 0x8c53, 0x8c54, 0x8c55, 0x8c56, 0x8c57, 0x8c58,
+  0x8c59, 0x8c5a, 0x8c5b, 0x8c5c, 0x8c5d, 0x8c5e, 0x8c5f, 0x8c60,
+  0x8c61, 0x8c62, 0x8c63, 0x8c64, 0x8c65, 0x8c66, 0x8c67, 0x8c68,
+  0x8c69, 0x8c6a, 0x8c6b, 0x8c6c, 0x8c6d, 0x8c6e, 0x8c6f, 0x8c70,
+  0x8c71, 0x8c72, 0x8c73, 0x8c74, 0x8c75, 0x8c76, 0x8c77, 0x8c78,
+  0x8c79, 0x8c7a, 0x8c7b, 0x8c7c, 0x8c7d, 0x8c7e, 0x8c80, 0x8c81,
+  0x8c82, 0x8c83, 0x8c84, 0x8c85, 0x8c86, 0x8c87, 0x8c88, 0x8c89,
+  0x8c8a, 0x8c8b, 0x8c8c, 0x8c8d, 0x8c8e, 0x8c8f, 0x8c90, 0x8c91,
+  0x8c92, 0x8c93, 0x8c94, 0x8c95, 0x8c96, 0x8c97, 0x8c98, 0x8c99,
+  0x8c9a, 0x8c9b, 0x8c9c, 0x8c9d, 0x8c9e, 0x8c9f, 0x8ca0, 0x8ca1,
+  0x8ca2, 0x8ca3, 0x8ca4, 0x8ca5, 0x8ca6, 0x8ca7, 0x8ca8, 0x8ca9,
+  0x8caa, 0x8cab, 0x8cac, 0x8cad, 0x8cae, 0x8caf, 0x8cb0, 0x8cb1,
+  0x8cb2, 0x8cb3, 0x8cb4, 0x8cb5, 0x8cb6, 0x8cb7, 0x8cb8, 0x8cb9,
+  0x8cba, 0x8cbb, 0x8cbc, 0x8cbd, 0x8cbe, 0x8cbf, 0x8cc0, 0x8cc1,
+  0x8cc2, 0x8cc3, 0x8cc4, 0x8cc5, 0x8cc6, 0x8cc7, 0x8cc8, 0x8cc9,
+  0x8cca, 0x8ccb, 0x8ccc, 0x8ccd, 0x8cce, 0x8ccf, 0x8cd0, 0x8cd1,
+  0x8cd2, 0x8cd3, 0x8cd4, 0x8cd5, 0x8cd6, 0x8cd7, 0x8cd8, 0x8cd9,
+  0x8cda, 0x8cdb, 0x8cdc, 0x8cdd, 0x8cde, 0x8cdf, 0x8ce0, 0x8ce1,
+  0x8ce2, 0x8ce3, 0x8ce4, 0x8ce5, 0x8ce6, 0x8ce7, 0x8ce8, 0x8ce9,
+  0x8cea, 0x8ceb, 0x8cec, 0x8ced, 0x8cee, 0x8cef, 0x8cf0, 0x8cf1,
+  0x8cf2, 0x8cf3, 0x8cf4, 0x8cf5, 0x8cf6, 0x8cf7, 0x8cf8, 0x8cf9,
+  0x8cfa, 0x8cfb, 0x8cfc, 0x8d40, 0x8d41, 0x8d42, 0x8d43, 0x8d44,
+  0x8d45, 0x8d46, 0x8d47, 0x8d48, 0x8d49, 0x8d4a, 0x8d4b, 0x8d4c,
+  0x8d4d, 0x8d4e, 0x8d4f, 0x8d50, 0x8d51, 0x8d52, 0x8d53, 0x8d54,
+  0x8d55, 0x8d56, 0x8d57, 0x8d58, 0x8d59, 0x8d5a, 0x8d5b, 0x8d5c,
+  0x8d5d, 0x8d5e, 0x8d5f, 0x8d60, 0x8d61, 0x8d62, 0x8d63, 0x8d64,
+  0x8d65, 0x8d66, 0x8d67, 0x8d68, 0x8d69, 0x8d6a, 0x8d6b, 0x8d6c,
+  0x8d6d, 0x8d6e, 0x8d6f, 0x8d70, 0x8d71, 0x8d72, 0x8d73, 0x8d74,
+  0x8d75, 0x8d76, 0x8d77, 0x8d78, 0x8d79, 0x8d7a, 0x8d7b, 0x8d7c,
+  0x8d7d, 0x8d7e, 0x8d80, 0x8d81, 0x8d82, 0x8d83, 0x8d84, 0x8d85,
+  0x8d86, 0x8d87, 0x8d88, 0x8d89, 0x8d8a, 0x8d8b, 0x8d8c, 0x8d8d,
+  0x8d8e, 0x8d8f, 0x8d90, 0x8d91, 0x8d92, 0x8d93, 0x8d94, 0x8d95,
+  0x8d96, 0x8d97, 0x8d98, 0x8d99, 0x8d9a, 0x8d9b, 0x8d9c, 0x8d9d,
+  0x8d9e, 0x8d9f, 0x8da0, 0x8da1, 0x8da2, 0x8da3, 0x8da4, 0x8da5,
+  0x8da6, 0x8da7, 0x8da8, 0x8da9, 0x8daa, 0x8dab, 0x8dac, 0x8dad,
+  0x8dae, 0x8daf, 0x8db0, 0x8db1, 0x8db2, 0x8db3, 0x8db4, 0x8db5,
+  0x8db6, 0x8db7, 0x8db8, 0x8db9, 0x8dba, 0x8dbb, 0x8dbc, 0x8dbd,
+  0x8dbe, 0x8dbf, 0x8dc0, 0x8dc1, 0x8dc2, 0x8dc3, 0x8dc4, 0x8dc5,
+  0x8dc6, 0x8dc7, 0x8dc8, 0x8dc9, 0x8dca, 0x8dcb, 0x8dcc, 0x8dcd,
+  0x8dce, 0x8dcf, 0x8dd0, 0x8dd1, 0x8dd2, 0x8dd3, 0x8dd4, 0x8dd5,
+  0x8dd6, 0x8dd7, 0x8dd8, 0x8dd9, 0x8dda, 0x8ddb, 0x8ddc, 0x8ddd,
+  0x8dde, 0x8ddf, 0x8de0, 0x8de1, 0x8de2, 0x8de3, 0x8de4, 0x8de5,
+  0x8de6, 0x8de7, 0x8de8, 0x8de9, 0x8dea, 0x8deb, 0x8dec, 0x8ded,
+  0x8dee, 0x8def, 0x8df0, 0x8df1, 0x8df2, 0x8df3, 0x8df4, 0x8df5,
+  0x8df6, 0x8df7, 0x8df8, 0x8df9, 0x8dfa, 0x8dfb, 0x8dfc, 0x8e40,
+  0x8e41, 0x8e42, 0x8e43, 0x8e44, 0x8e45, 0x8e46, 0x8e47, 0x8e48,
+  0x8e49, 0x8e4a, 0x8e4b, 0x8e4c, 0x8e4d, 0x8e4e, 0x8e4f, 0x8e50,
+  0x8e51, 0x8e52, 0x8e53, 0x8e54, 0x8e55, 0x8e56, 0x8e57, 0x8e58,
+  0x8e59, 0x8e5a, 0x8e5b, 0x8e5c, 0x8e5d, 0x8e5e, 0x8e5f, 0x8e60,
+  0x8e61, 0x8e62, 0x8e63, 0x8e64, 0x8e65, 0x8e66, 0x8e67, 0x8e68,
+  0x8e69, 0x8e6a, 0x8e6b, 0x8e6c, 0x8e6d, 0x8e6e, 0x8e6f, 0x8e70,
+  0x8e71, 0x8e72, 0x8e73, 0x8e74, 0x8e75, 0x8e76, 0x8e77, 0x8e78,
+  0x8e79, 0x8e7a, 0x8e7b, 0x8e7c, 0x8e7d, 0x8e7e, 0x8e80, 0x8e81,
+  0x8e82, 0x8e83, 0x8e84, 0x8e85, 0x8e86, 0x8e87, 0x8e88, 0x8e89,
+  0x8e8a, 0x8e8b, 0x8e8c, 0x8e8d, 0x8e8e, 0x8e8f, 0x8e90, 0x8e91,
+  0x8e92, 0x8e93, 0x8e94, 0x8e95, 0x8e96, 0x8e97, 0x8e98, 0x8e99,
+  0x8e9a, 0x8e9b, 0x8e9c, 0x8e9d, 0x8e9e, 0x8e9f, 0x8ea0, 0x8ea1,
+  0x8ea2, 0x8ea3, 0x8ea4, 0x8ea5, 0x8ea6, 0x8ea7, 0x8ea8, 0x8ea9,
+  0x8eaa, 0x8eab, 0x8eac, 0x8ead, 0x8eae, 0x8eaf, 0x8eb0, 0x8eb1,
+  0x8eb2, 0x8eb3, 0x8eb4, 0x8eb5, 0x8eb6, 0x8eb7, 0x8eb8, 0x8eb9,
+  0x8eba, 0x8ebb, 0x8ebc, 0x8ebd, 0x8ebe, 0x8ebf, 0x8ec0, 0x8ec1,
+  0x8ec2, 0x8ec3, 0x8ec4, 0x8ec5, 0x8ec6, 0x8ec7, 0x8ec8, 0x8ec9,
+  0x8eca, 0x8ecb, 0x8ecc, 0x8ecd, 0x8ece, 0x8ecf, 0x8ed0, 0x8ed1,
+  0x8ed2, 0x8ed3, 0x8ed4, 0x8ed5, 0x8ed6, 0x8ed7, 0x8ed8, 0x8ed9,
+  0x8eda, 0x8edb, 0x8edc, 0x8edd, 0x8ede, 0x8edf, 0x8ee0, 0x8ee1,
+  0x8ee2, 0x8ee3, 0x8ee4, 0x8ee5, 0x8ee6, 0x8ee7, 0x8ee8, 0x8ee9,
+  0x8eea, 0x8eeb, 0x8eec, 0x8eed, 0x8eee, 0x8eef, 0x8ef0, 0x8ef1,
+  0x8ef2, 0x8ef3, 0x8ef4, 0x8ef5, 0x8ef6, 0x8ef7, 0x8ef8, 0x8ef9,
+  0x8efa, 0x8efb, 0x8efc, 0x8f40, 0x8f41, 0x8f42, 0x8f43, 0x8f44,
+  0x8f45, 0x8f46, 0x8f47, 0x8f48, 0x8f49, 0x8f4a, 0x8f4b, 0x8f4c,
+  0x8f4d, 0x8f4e, 0x8f4f, 0x8f50, 0x8f51, 0x8f52, 0x8f53, 0x8f54,
+  0x8f55, 0x8f56, 0x8f57, 0x8f58, 0x8f59, 0x8f5a, 0x8f5b, 0x8f5c,
+  0x8f5d, 0x8f5e, 0x8f5f, 0x8f60, 0x8f61, 0x8f62, 0x8f63, 0x8f64,
+  0x8f65, 0x8f66, 0x8f67, 0x8f68, 0x8f69, 0x8f6a, 0x8f6b, 0x8f6c,
+  0x8f6d, 0x8f6e, 0x8f6f, 0x8f70, 0x8f71, 0x8f72, 0x8f73, 0x8f74,
+  0x8f75, 0x8f76, 0x8f77, 0x8f78, 0x8f79, 0x8f7a, 0x8f7b, 0x8f7c,
+  0x8f7d, 0x8f7e, 0x8f80, 0x8f81, 0x8f82, 0x8f83, 0x8f84, 0x8f85,
+  0x8f86, 0x8f87, 0x8f88, 0x8f89, 0x8f8a, 0x8f8b, 0x8f8c, 0x8f8d,
+  0x8f8e, 0x8f8f, 0x8f90, 0x8f91, 0x8f92, 0x8f93, 0x8f94, 0x8f95,
+  0x8f96, 0x8f97, 0x8f98, 0x8f99, 0x8f9a, 0x8f9b, 0x8f9c, 0x8f9d,
+  0x8f9e, 0x8f9f, 0x8fa0, 0x8fa1, 0x8fa2, 0x8fa3, 0x8fa4, 0x8fa5,
+  0x8fa6, 0x8fa7, 0x8fa8, 0x8fa9, 0x8faa, 0x8fab, 0x8fac, 0x8fad,
+  0x8fae, 0x8faf, 0x8fb0, 0x8fb1, 0x8fb2, 0x8fb3, 0x8fb4, 0x8fb5,
+  0x8fb6, 0x8fb7, 0x8fb8, 0x8fb9, 0x8fba, 0x8fbb, 0x8fbc, 0x8fbd,
+  0x8fbe, 0x8fbf, 0x8fc0, 0x8fc1, 0x8fc2, 0x8fc3, 0x8fc4, 0x8fc5,
+  0x8fc6, 0x8fc7, 0x8fc8, 0x8fc9, 0x8fca, 0x8fcb, 0x8fcc, 0x8fcd,
+  0x8fce, 0x8fcf, 0x8fd0, 0x8fd1, 0x8fd2, 0x8fd3, 0x8fd4, 0x8fd5,
+  0x8fd6, 0x8fd7, 0x8fd8, 0x8fd9, 0x8fda, 0x8fdb, 0x8fdc, 0x8fdd,
+  0x8fde, 0x8fdf, 0x8fe0, 0x8fe1, 0x8fe2, 0x8fe3, 0x8fe4, 0x8fe5,
+  0x8fe6, 0x8fe7, 0x8fe8, 0x8fe9, 0x8fea, 0x8feb, 0x8fec, 0x8fed,
+  0x8fee, 0x8fef, 0x8ff0, 0x8ff1, 0x8ff2, 0x8ff3, 0x8ff4, 0x8ff5,
+  0x8ff6, 0x8ff7, 0x8ff8, 0x8ff9, 0x8ffa, 0x8ffb, 0x8ffc, 0x9040,
+  0x9041, 0x9042, 0x9043, 0x9044, 0x9045, 0x9046, 0x9047, 0x9048,
+  0x9049, 0x904a, 0x904b, 0x904c, 0x904d, 0x904e, 0x904f, 0x9050,
+  0x9051, 0x9052, 0x9053, 0x9054, 0x9055, 0x9056, 0x9057, 0x9058,
+  0x9059, 0x905a, 0x905b, 0x905c, 0x905d, 0x905e, 0x905f, 0x9060,
+  0x9061, 0x9062, 0x9063, 0x9064, 0x9065, 0x9066, 0x9067, 0x9068,
+  0x9069, 0x906a, 0x906b, 0x906c, 0x906d, 0x906e, 0x906f, 0x9070,
+  0x9071, 0x9072, 0x9073, 0x9074, 0x9075, 0x9076, 0x9077, 0x9078,
+  0x9079, 0x907a, 0x907b, 0x907c, 0x907d, 0x907e, 0x9080, 0x9081,
+  0x9082, 0x9083, 0x9084, 0x9085, 0x9086, 0x9087, 0x9088, 0x9089,
+  0x908a, 0x908b, 0x908c, 0x908d, 0x908e, 0x908f, 0x9090, 0x9091,
+  0x9092, 0x9093, 0x9094, 0x9095, 0x9096, 0x9097, 0x9098, 0x9099,
+  0x909a, 0x909b, 0x909c, 0x909d, 0x909e, 0x909f, 0x90a0, 0x90a1,
+  0x90a2, 0x90a3, 0x90a4, 0x90a5, 0x90a6, 0x90a7, 0x90a8, 0x90a9,
+  0x90aa, 0x90ab, 0x90ac, 0x90ad, 0x90ae, 0x90af, 0x90b0, 0x90b1,
+  0x90b2, 0x90b3, 0x90b4, 0x90b5, 0x90b6, 0x90b7, 0x90b8, 0x90b9,
+  0x90ba, 0x90bb, 0x90bc, 0x90bd, 0x90be, 0x90bf, 0x90c0, 0x90c1,
+  0x90c2, 0x90c3, 0x90c4, 0x90c5, 0x90c6, 0x90c7, 0x90c8, 0x90c9,
+  0x90ca, 0x90cb, 0x90cc, 0x90cd, 0x90ce, 0x90cf, 0x90d0, 0x90d1,
+  0x90d2, 0x90d3, 0x90d4, 0x90d5, 0x90d6, 0x90d7, 0x90d8, 0x90d9,
+  0x90da, 0x90db, 0x90dc, 0x90dd, 0x90de, 0x90df, 0x90e0, 0x90e1,
+  0x90e2, 0x90e3, 0x90e4, 0x90e5, 0x90e6, 0x90e7, 0x90e8, 0x90e9,
+  0x90ea, 0x90eb, 0x90ec, 0x90ed, 0x90ee, 0x90ef, 0x90f0, 0x90f1,
+  0x90f2, 0x90f3, 0x90f4, 0x90f5, 0x90f6, 0x90f7, 0x90f8, 0x90f9,
+  0x90fa, 0x90fb, 0x90fc, 0x9140, 0x9141, 0x9142, 0x9143, 0x9144,
+  0x9145, 0x9146, 0x9147, 0x9148, 0x9149, 0x914a, 0x914b, 0x914c,
+  0x914d, 0x914e, 0x914f, 0x9150, 0x9151, 0x9152, 0x9153, 0x9154,
+  0x9155, 0x9156, 0x9157, 0x9158, 0x9159, 0x915a, 0x915b, 0x915c,
+  0x915d, 0x915e, 0x915f, 0x9160, 0x9161, 0x9162, 0x9163, 0x9164,
+  0x9165, 0x9166, 0x9167, 0x9168, 0x9169, 0x916a, 0x916b, 0x916c,
+  0x916d, 0x916e, 0x916f, 0x9170, 0x9171, 0x9172, 0x9173, 0x9174,
+  0x9175, 0x9176, 0x9177, 0x9178, 0x9179, 0x917a, 0x917b, 0x917c,
+  0x917d, 0x917e, 0x9180, 0x9181, 0x9182, 0x9183, 0x9184, 0x9185,
+  0x9186, 0x9187, 0x9188, 0x9189, 0x918a, 0x918b, 0x918c, 0x918d,
+  0x918e, 0x918f, 0x9190, 0x9191, 0x9192, 0x9193, 0x9194, 0x9195,
+  0x9196, 0x9197, 0x9198, 0x9199, 0x919a, 0x919b, 0x919c, 0x919d,
+  0x919e, 0x919f, 0x91a0, 0x91a1, 0x91a2, 0x91a3, 0x91a4, 0x91a5,
+  0x91a6, 0x91a7, 0x91a8, 0x91a9, 0x91aa, 0x91ab, 0x91ac, 0x91ad,
+  0x91ae, 0x91af, 0x91b0, 0x91b1, 0x91b2, 0x91b3, 0x91b4, 0x91b5,
+  0x91b6, 0x91b7, 0x91b8, 0x91b9, 0x91ba, 0x91bb, 0x91bc, 0x91bd,
+  0x91be, 0x91bf, 0x91c0, 0x91c1, 0x91c2, 0x91c3, 0x91c4, 0x91c5,
+  0x91c6, 0x91c7, 0x91c8, 0x91c9, 0x91ca, 0x91cb, 0x91cc, 0x91cd,
+  0x91ce, 0x91cf, 0x91d0, 0x91d1, 0x91d2, 0x91d3, 0x91d4, 0x91d5,
+  0x91d6, 0x91d7, 0x91d8, 0x91d9, 0x91da, 0x91db, 0x91dc, 0x91dd,
+  0x91de, 0x91df, 0x91e0, 0x91e1, 0x91e2, 0x91e3, 0x91e4, 0x91e5,
+  0x91e6, 0x91e7, 0x91e8, 0x91e9, 0x91ea, 0x91eb, 0x91ec, 0x91ed,
+  0x91ee, 0x91ef, 0x91f0, 0x91f1, 0x91f2, 0x91f3, 0x91f4, 0x91f5,
+  0x91f6, 0x91f7, 0x91f8, 0x91f9, 0x91fa, 0x91fb, 0x91fc, 0x9240,
+  0x9241, 0x9242, 0x9243, 0x9244, 0x9245, 0x9246, 0x9247, 0x9248,
+  0x9249, 0x924a, 0x924b, 0x924c, 0x924d, 0x924e, 0x924f, 0x9250,
+  0x9251, 0x9252, 0x9253, 0x9254, 0x9255, 0x9256, 0x9257, 0x9258,
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+  0x9a95, 0x9a96, 0x9a97, 0x9a98, 0x9a99, 0x9a9a, 0x9a9b, 0x9a9c,
+  0x9a9d, 0x9a9e, 0x9a9f, 0x9aa0, 0x9aa1, 0x9aa2, 0x9aa3, 0x9aa4,
+  0x9aa5, 0x9aa6, 0x9aa7, 0x9aa8, 0x9aa9, 0x9aaa, 0x9aab, 0x9aac,
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+  0x9ab5, 0x9ab6, 0x9ab7, 0x9ab8, 0x9ab9, 0x9aba, 0x9abb, 0x9abc,
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+  0x9ac5, 0x9ac6, 0x9ac7, 0x9ac8, 0x9ac9, 0x9aca, 0x9acb, 0x9acc,
+  0x9acd, 0x9ace, 0x9acf, 0x9ad0, 0x9ad1, 0x9ad2, 0x9ad3, 0x9ad4,
+  0x9ad5, 0x9ad6, 0x9ad7, 0x9ad8, 0x9ad9, 0x9ada, 0x9adb, 0x9adc,
+  0x9add, 0x9ade, 0x9adf, 0x9ae0, 0x9ae1, 0x9ae2, 0x9ae3, 0x9ae4,
+  0x9ae5, 0x9ae6, 0x9ae7, 0x9ae8, 0x9ae9, 0x9aea, 0x9aeb, 0x9aec,
+  0x9aed, 0x9aee, 0x9aef, 0x9af0, 0x9af1, 0x9af2, 0x9af3, 0x9af4,
+  0x9af5, 0x9af6, 0x9af7, 0x9af8, 0x9af9, 0x9afa, 0x9afb, 0x9afc,
+  0x9b40, 0x9b41, 0x9b42, 0x9b43, 0x9b44, 0x9b45, 0x9b46, 0x9b47,
+  0x9b48, 0x9b49, 0x9b4a, 0x9b4b, 0x9b4c, 0x9b4d, 0x9b4e, 0x9b4f,
+  0x9b50, 0x9b51, 0x9b52, 0x9b53, 0x9b54, 0x9b55, 0x9b56, 0x9b57,
+  0x9b58, 0x9b59, 0x9b5a, 0x9b5b, 0x9b5c, 0x9b5d, 0x9b5e, 0x9b5f,
+  0x9b60, 0x9b61, 0x9b62, 0x9b63, 0x9b64, 0x9b65, 0x9b66, 0x9b67,
+  0x9b68, 0x9b69, 0x9b6a, 0x9b6b, 0x9b6c, 0x9b6d, 0x9b6e, 0x9b6f,
+  0x9b70, 0x9b71, 0x9b72, 0x9b73, 0x9b74, 0x9b75, 0x9b76, 0x9b77,
+  0x9b78, 0x9b79, 0x9b7a, 0x9b7b, 0x9b7c, 0x9b7d, 0x9b7e, 0x9b80,
+  0x9b81, 0x9b82, 0x9b83, 0x9b84, 0x9b85, 0x9b86, 0x9b87, 0x9b88,
+  0x9b89, 0x9b8a, 0x9b8b, 0x9b8c, 0x9b8d, 0x9b8e, 0x9b8f, 0x9b90,
+  0x9b91, 0x9b92, 0x9b93, 0x9b94, 0x9b95, 0x9b96, 0x9b97, 0x9b98,
+  0x9b99, 0x9b9a, 0x9b9b, 0x9b9c, 0x9b9d, 0x9b9e, 0x9b9f, 0x9ba0,
+  0x9ba1, 0x9ba2, 0x9ba3, 0x9ba4, 0x9ba5, 0x9ba6, 0x9ba7, 0x9ba8,
+  0x9ba9, 0x9baa, 0x9bab, 0x9bac, 0x9bad, 0x9bae, 0x9baf, 0x9bb0,
+  0x9bb1, 0x9bb2, 0x9bb3, 0x9bb4, 0x9bb5, 0x9bb6, 0x9bb7, 0x9bb8,
+  0x9bb9, 0x9bba, 0x9bbb, 0x9bbc, 0x9bbd, 0x9bbe, 0x9bbf, 0x9bc0,
+  0x9bc1, 0x9bc2, 0x9bc3, 0x9bc4, 0x9bc5, 0x9bc6, 0x9bc7, 0x9bc8,
+  0x9bc9, 0x9bca, 0x9bcb, 0x9bcc, 0x9bcd, 0x9bce, 0x9bcf, 0x9bd0,
+  0x9bd1, 0x9bd2, 0x9bd3, 0x9bd4, 0x9bd5, 0x9bd6, 0x9bd7, 0x9bd8,
+  0x9bd9, 0x9bda, 0x9bdb, 0x9bdc, 0x9bdd, 0x9bde, 0x9bdf, 0x9be0,
+  0x9be1, 0x9be2, 0x9be3, 0x9be4, 0x9be5, 0x9be6, 0x9be7, 0x9be8,
+  0x9be9, 0x9bea, 0x9beb, 0x9bec, 0x9bed, 0x9bee, 0x9bef, 0x9bf0,
+  0x9bf1, 0x9bf2, 0x9bf3, 0x9bf4, 0x9bf5, 0x9bf6, 0x9bf7, 0x9bf8,
+  0x9bf9, 0x9bfa, 0x9bfb, 0x9bfc, 0x9c40, 0x9c41, 0x9c42, 0x9c43,
+  0x9c44, 0x9c45, 0x9c46, 0x9c47, 0x9c48, 0x9c49, 0x9c4a, 0x9c4b,
+  0x9c4c, 0x9c4d, 0x9c4e, 0x9c4f, 0x9c50, 0x9c51, 0x9c52, 0x9c53,
+  0x9c54, 0x9c55, 0x9c56, 0x9c57, 0x9c58, 0x9c59, 0x9c5a, 0x9c5b,
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+  0x9c64, 0x9c65, 0x9c66, 0x9c67, 0x9c68, 0x9c69, 0x9c6a, 0x9c6b,
+  0x9c6c, 0x9c6d, 0x9c6e, 0x9c6f, 0x9c70, 0x9c71, 0x9c72, 0x9c73,
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+  0x9c7c, 0x9c7d, 0x9c7e, 0x9c80, 0x9c81, 0x9c82, 0x9c83, 0x9c84,
+  0x9c85, 0x9c86, 0x9c87, 0x9c88, 0x9c89, 0x9c8a, 0x9c8b, 0x9c8c,
+  0x9c8d, 0x9c8e, 0x9c8f, 0x9c90, 0x9c91, 0x9c92, 0x9c93, 0x9c94,
+  0x9c95, 0x9c96, 0x9c97, 0x9c98, 0x9c99, 0x9c9a, 0x9c9b, 0x9c9c,
+  0x9c9d, 0x9c9e, 0x9c9f, 0x9ca0, 0x9ca1, 0x9ca2, 0x9ca3, 0x9ca4,
+  0x9ca5, 0x9ca6, 0x9ca7, 0x9ca8, 0x9ca9, 0x9caa, 0x9cab, 0x9cac,
+  0x9cad, 0x9cae, 0x9caf, 0x9cb0, 0x9cb1, 0x9cb2, 0x9cb3, 0x9cb4,
+  0x9cb5, 0x9cb6, 0x9cb7, 0x9cb8, 0x9cb9, 0x9cba, 0x9cbb, 0x9cbc,
+  0x9cbd, 0x9cbe, 0x9cbf, 0x9cc0, 0x9cc1, 0x9cc2, 0x9cc3, 0x9cc4,
+  0x9cc5, 0x9cc6, 0x9cc7, 0x9cc8, 0x9cc9, 0x9cca, 0x9ccb, 0x9ccc,
+  0x9ccd, 0x9cce, 0x9ccf, 0x9cd0, 0x9cd1, 0x9cd2, 0x9cd3, 0x9cd4,
+  0x9cd5, 0x9cd6, 0x9cd7, 0x9cd8, 0x9cd9, 0x9cda, 0x9cdb, 0x9cdc,
+  0x9cdd, 0x9cde, 0x9cdf, 0x9ce0, 0x9ce1, 0x9ce2, 0x9ce3, 0x9ce4,
+  0x9ce5, 0x9ce6, 0x9ce7, 0x9ce8, 0x9ce9, 0x9cea, 0x9ceb, 0x9cec,
+  0x9ced, 0x9cee, 0x9cef, 0x9cf0, 0x9cf1, 0x9cf2, 0x9cf3, 0x9cf4,
+  0x9cf5, 0x9cf6, 0x9cf7, 0x9cf8, 0x9cf9, 0x9cfa, 0x9cfb, 0x9cfc,
+  0x9d40, 0x9d41, 0x9d42, 0x9d43, 0x9d44, 0x9d45, 0x9d46, 0x9d47,
+  0x9d48, 0x9d49, 0x9d4a, 0x9d4b, 0x9d4c, 0x9d4d, 0x9d4e, 0x9d4f,
+  0x9d50, 0x9d51, 0x9d52, 0x9d53, 0x9d54, 0x9d55, 0x9d56, 0x9d57,
+  0x9d58, 0x9d59, 0x9d5a, 0x9d5b, 0x9d5c, 0x9d5d, 0x9d5e, 0x9d5f,
+  0x9d60, 0x9d61, 0x9d62, 0x9d63, 0x9d64, 0x9d65, 0x9d66, 0x9d67,
+  0x9d68, 0x9d69, 0x9d6a, 0x9d6b, 0x9d6c, 0x9d6d, 0x9d6e, 0x9d6f,
+  0x9d70, 0x9d71, 0x9d72, 0x9d73, 0x9d74, 0x9d75, 0x9d76, 0x9d77,
+  0x9d78, 0x9d79, 0x9d7a, 0x9d7b, 0x9d7c, 0x9d7d, 0x9d7e, 0x9d80,
+  0x9d81, 0x9d82, 0x9d83, 0x9d84, 0x9d85, 0x9d86, 0x9d87, 0x9d88,
+  0x9d89, 0x9d8a, 0x9d8b, 0x9d8c, 0x9d8d, 0x9d8e, 0x9d8f, 0x9d90,
+  0x9d91, 0x9d92, 0x9d93, 0x9d94, 0x9d95, 0x9d96, 0x9d97, 0x9d98,
+  0x9d99, 0x9d9a, 0x9d9b, 0x9d9c, 0x9d9d, 0x9d9e, 0x9d9f, 0x9da0,
+  0x9da1, 0x9da2, 0x9da3, 0x9da4, 0x9da5, 0x9da6, 0x9da7, 0x9da8,
+  0x9da9, 0x9daa, 0x9dab, 0x9dac, 0x9dad, 0x9dae, 0x9daf, 0x9db0,
+  0x9db1, 0x9db2, 0x9db3, 0x9db4, 0x9db5, 0x9db6, 0x9db7, 0x9db8,
+  0x9db9, 0x9dba, 0x9dbb, 0x9dbc, 0x9dbd, 0x9dbe, 0x9dbf, 0x9dc0,
+  0x9dc1, 0x9dc2, 0x9dc3, 0x9dc4, 0x9dc5, 0x9dc6, 0x9dc7, 0x9dc8,
+  0x9dc9, 0x9dca, 0x9dcb, 0x9dcc, 0x9dcd, 0x9dce, 0x9dcf, 0x9dd0,
+  0x9dd1, 0x9dd2, 0x9dd3, 0x9dd4, 0x9dd5, 0x9dd6, 0x9dd7, 0x9dd8,
+  0x9dd9, 0x9dda, 0x9ddb, 0x9ddc, 0x9ddd, 0x9dde, 0x9ddf, 0x9de0,
+  0x9de1, 0x9de2, 0x9de3, 0x9de4, 0x9de5, 0x9de6, 0x9de7, 0x9de8,
+  0x9de9, 0x9dea, 0x9deb, 0x9dec, 0x9ded, 0x9dee, 0x9def, 0x9df0,
+  0x9df1, 0x9df2, 0x9df3, 0x9df4, 0x9df5, 0x9df6, 0x9df7, 0x9df8,
+  0x9df9, 0x9dfa, 0x9dfb, 0x9dfc, 0x9e40, 0x9e41, 0x9e42, 0x9e43,
+  0x9e44, 0x9e45, 0x9e46, 0x9e47, 0x9e48, 0x9e49, 0x9e4a, 0x9e4b,
+  0x9e4c, 0x9e4d, 0x9e4e, 0x9e4f, 0x9e50, 0x9e51, 0x9e52, 0x9e53,
+  0x9e54, 0x9e55, 0x9e56, 0x9e57, 0x9e58, 0x9e59, 0x9e5a, 0x9e5b,
+  0x9e5c, 0x9e5d, 0x9e5e, 0x9e5f, 0x9e60, 0x9e61, 0x9e62, 0x9e63,
+  0x9e64, 0x9e65, 0x9e66, 0x9e67, 0x9e68, 0x9e69, 0x9e6a, 0x9e6b,
+  0x9e6c, 0x9e6d, 0x9e6e, 0x9e6f, 0x9e70, 0x9e71, 0x9e72, 0x9e73,
+  0x9e74, 0x9e75, 0x9e76, 0x9e77, 0x9e78, 0x9e79, 0x9e7a, 0x9e7b,
+  0x9e7c, 0x9e7d, 0x9e7e, 0x9e80, 0x9e81, 0x9e82, 0x9e83, 0x9e84,
+  0x9e85, 0x9e86, 0x9e87, 0x9e88, 0x9e89, 0x9e8a, 0x9e8b, 0x9e8c,
+  0x9e8d, 0x9e8e, 0x9e8f, 0x9e90, 0x9e91, 0x9e92, 0x9e93, 0x9e94,
+  0x9e95, 0x9e96, 0x9e97, 0x9e98, 0x9e99, 0x9e9a, 0x9e9b, 0x9e9c,
+  0x9e9d, 0x9e9e, 0x9e9f, 0x9ea0, 0x9ea1, 0x9ea2, 0x9ea3, 0x9ea4,
+  0x9ea5, 0x9ea6, 0x9ea7, 0x9ea8, 0x9ea9, 0x9eaa, 0x9eab, 0x9eac,
+  0x9ead, 0x9eae, 0x9eaf, 0x9eb0, 0x9eb1, 0x9eb2, 0x9eb3, 0x9eb4,
+  0x9eb5, 0x9eb6, 0x9eb7, 0x9eb8, 0x9eb9, 0x9eba, 0x9ebb, 0x9ebc,
+  0x9ebd, 0x9ebe, 0x9ebf, 0x9ec0, 0x9ec1, 0x9ec2, 0x9ec3, 0x9ec4,
+  0x9ec5, 0x9ec6, 0x9ec7, 0x9ec8, 0x9ec9, 0x9eca, 0x9ecb, 0x9ecc,
+  0x9ecd, 0x9ece, 0x9ecf, 0x9ed0, 0x9ed1, 0x9ed2, 0x9ed3, 0x9ed4,
+  0x9ed5, 0x9ed6, 0x9ed7, 0x9ed8, 0x9ed9, 0x9eda, 0x9edb, 0x9edc,
+  0x9edd, 0x9ede, 0x9edf, 0x9ee0, 0x9ee1, 0x9ee2, 0x9ee3, 0x9ee4,
+  0x9ee5, 0x9ee6, 0x9ee7, 0x9ee8, 0x9ee9, 0x9eea, 0x9eeb, 0x9eec,
+  0x9eed, 0x9eee, 0x9eef, 0x9ef0, 0x9ef1, 0x9ef2, 0x9ef3, 0x9ef4,
+  0x9ef5, 0x9ef6, 0x9ef7, 0x9ef8, 0x9ef9, 0x9efa, 0x9efb, 0x9efc,
+  0x9f40, 0x9f41, 0x9f42, 0x9f43, 0x9f44, 0x9f45, 0x9f46, 0x9f47,
+  0x9f48, 0x9f49, 0x9f4a, 0x9f4b, 0x9f4c, 0x9f4d, 0x9f4e, 0x9f4f,
+  0x9f50, 0x9f51, 0x9f52, 0x9f53, 0x9f54, 0x9f55, 0x9f56, 0x9f57,
+  0x9f58, 0x9f59, 0x9f5a, 0x9f5b, 0x9f5c, 0x9f5d, 0x9f5e, 0x9f5f,
+  0x9f60, 0x9f61, 0x9f62, 0x9f63, 0x9f64, 0x9f65, 0x9f66, 0x9f67,
+  0x9f68, 0x9f69, 0x9f6a, 0x9f6b, 0x9f6c, 0x9f6d, 0x9f6e, 0x9f6f,
+  0x9f70, 0x9f71, 0x9f72, 0x9f73, 0x9f74, 0x9f75, 0x9f76, 0x9f77,
+  0x9f78, 0x9f79, 0x9f7a, 0x9f7b, 0x9f7c, 0x9f7d, 0x9f7e, 0x9f80,
+  0x9f81, 0x9f82, 0x9f83, 0x9f84, 0x9f85, 0x9f86, 0x9f87, 0x9f88,
+  0x9f89, 0x9f8a, 0x9f8b, 0x9f8c, 0x9f8d, 0x9f8e, 0x9f8f, 0x9f90,
+  0x9f91, 0x9f92, 0x9f93, 0x9f94, 0x9f95, 0x9f96, 0x9f97, 0x9f98,
+  0x9f99, 0x9f9a, 0x9f9b, 0x9f9c, 0x9f9d, 0x9f9e, 0x9f9f, 0x9fa0,
+  0x9fa1, 0x9fa2, 0x9fa3, 0x9fa4, 0x9fa5, 0x9fa6, 0x9fa7, 0x9fa8,
+  0x9fa9, 0x9faa, 0x9fab, 0x9fac, 0x9fad, 0x9fae, 0x9faf, 0x9fb0,
+  0x9fb1, 0x9fb2, 0x9fb3, 0x9fb4, 0x9fb5, 0x9fb6, 0x9fb7, 0x9fb8,
+  0x9fb9, 0x9fba, 0x9fbb, 0x9fbc, 0x9fbd, 0x9fbe, 0x9fbf, 0x9fc0,
+  0x9fc1, 0x9fc2, 0x9fc3, 0x9fc4, 0x9fc5, 0x9fc6, 0x9fc7, 0x9fc8,
+  0x9fc9, 0x9fca, 0x9fcb, 0x9fcc, 0x9fcd, 0x9fce, 0x9fcf, 0x9fd0,
+  0x9fd1, 0x9fd2, 0x9fd3, 0x9fd4, 0x9fd5, 0x9fd6, 0x9fd7, 0x9fd8,
+  0x9fd9, 0x9fda, 0x9fdb, 0x9fdc, 0x9fdd, 0x9fde, 0x9fdf, 0x9fe0,
+  0x9fe1, 0x9fe2, 0x9fe3, 0x9fe4, 0x9fe5, 0x9fe6, 0x9fe7, 0x9fe8,
+  0x9fe9, 0x9fea, 0x9feb, 0x9fec, 0x9fed, 0x9fee, 0x9fef, 0x9ff0,
+  0x9ff1, 0x9ff2, 0x9ff3, 0x9ff4, 0x9ff5, 0x9ff6, 0x9ff7, 0x9ff8,
+  0x9ff9, 0x9ffa, 0x9ffb, 0x9ffc, 0xe040, 0xe041, 0xe042, 0xe043,
+  0xe044, 0xe045, 0xe046, 0xe047, 0xe048, 0xe049, 0xe04a, 0xe04b,
+  0xe04c, 0xe04d, 0xe04e, 0xe04f, 0xe050, 0xe051, 0xe052, 0xe053,
+  0xe054, 0xe055, 0xe056, 0xe057, 0xe058, 0xe059, 0xe05a, 0xe05b,
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+  0xe7f1, 0xe7f2, 0xe7f3, 0xe7f4, 0xe7f5, 0xe7f6, 0xe7f7, 0xe7f8,
+  0xe7f9, 0xe7fa, 0xe7fb, 0xe7fc, 0xe840, 0xe841, 0xe842, 0xe843,
+  0xe844, 0xe845, 0xe846, 0xe847, 0xe848, 0xe849, 0xe84a, 0xe84b,
+  0xe84c, 0xe84d, 0xe84e, 0xe84f, 0xe850, 0xe851, 0xe852, 0xe853,
+  0xe854, 0xe855, 0xe856, 0xe857, 0xe858, 0xe859, 0xe85a, 0xe85b,
+  0xe85c, 0xe85d, 0xe85e, 0xe85f, 0xe860, 0xe861, 0xe862, 0xe863,
+  0xe864, 0xe865, 0xe866, 0xe867, 0xe868, 0xe869, 0xe86a, 0xe86b,
+  0xe86c, 0xe86d, 0xe86e, 0xe86f, 0xe870, 0xe871, 0xe872, 0xe873,
+  0xe874, 0xe875, 0xe876, 0xe877, 0xe878, 0xe879, 0xe87a, 0xe87b,
+  0xe87c, 0xe87d, 0xe87e, 0xe880, 0xe881, 0xe882, 0xe883, 0xe884,
+  0xe885, 0xe886, 0xe887, 0xe888, 0xe889, 0xe88a, 0xe88b, 0xe88c,
+  0xe88d, 0xe88e, 0xe88f, 0xe890, 0xe891, 0xe892, 0xe893, 0xe894,
+  0xe895, 0xe896, 0xe897, 0xe898, 0xe899, 0xe89a, 0xe89b, 0xe89c,
+  0xe89d, 0xe89e, 0xe89f, 0xe8a0, 0xe8a1, 0xe8a2, 0xe8a3, 0xe8a4,
+  0xe8a5, 0xe8a6, 0xe8a7, 0xe8a8, 0xe8a9, 0xe8aa, 0xe8ab, 0xe8ac,
+  0xe8ad, 0xe8ae, 0xe8af, 0xe8b0, 0xe8b1, 0xe8b2, 0xe8b3, 0xe8b4,
+  0xe8b5, 0xe8b6, 0xe8b7, 0xe8b8, 0xe8b9, 0xe8ba, 0xe8bb, 0xe8bc,
+  0xe8bd, 0xe8be, 0xe8bf, 0xe8c0, 0xe8c1, 0xe8c2, 0xe8c3, 0xe8c4,
+  0xe8c5, 0xe8c6, 0xe8c7, 0xe8c8, 0xe8c9, 0xe8ca, 0xe8cb, 0xe8cc,
+  0xe8cd, 0xe8ce, 0xe8cf, 0xe8d0, 0xe8d1, 0xe8d2, 0xe8d3, 0xe8d4,
+  0xe8d5, 0xe8d6, 0xe8d7, 0xe8d8, 0xe8d9, 0xe8da, 0xe8db, 0xe8dc,
+  0xe8dd, 0xe8de, 0xe8df, 0xe8e0, 0xe8e1, 0xe8e2, 0xe8e3, 0xe8e4,
+  0xe8e5, 0xe8e6, 0xe8e7, 0xe8e8, 0xe8e9, 0xe8ea, 0xe8eb, 0xe8ec,
+  0xe8ed, 0xe8ee, 0xe8ef, 0xe8f0, 0xe8f1, 0xe8f2, 0xe8f3, 0xe8f4,
+  0xe8f5, 0xe8f6, 0xe8f7, 0xe8f8, 0xe8f9, 0xe8fa, 0xe8fb, 0xe8fc,
+  0xe940, 0xe941, 0xe942, 0xe943, 0xe944, 0xe945, 0xe946, 0xe947,
+  0xe948, 0xe949, 0xe94a, 0xe94b, 0xe94c, 0xe94d, 0xe94e, 0xe94f,
+  0xe950, 0xe951, 0xe952, 0xe953, 0xe954, 0xe955, 0xe956, 0xe957,
+  0xe958, 0xe959, 0xe95a, 0xe95b, 0xe95c, 0xe95d, 0xe95e, 0xe95f,
+  0xe960, 0xe961, 0xe962, 0xe963, 0xe964, 0xe965, 0xe966, 0xe967,
+  0xe968, 0xe969, 0xe96a, 0xe96b, 0xe96c, 0xe96d, 0xe96e, 0xe96f,
+  0xe970, 0xe971, 0xe972, 0xe973, 0xe974, 0xe975, 0xe976, 0xe977,
+  0xe978, 0xe979, 0xe97a, 0xe97b, 0xe97c, 0xe97d, 0xe97e, 0xe980,
+  0xe981, 0xe982, 0xe983, 0xe984, 0xe985, 0xe986, 0xe987, 0xe988,
+  0xe989, 0xe98a, 0xe98b, 0xe98c, 0xe98d, 0xe98e, 0xe98f, 0xe990,
+  0xe991, 0xe992, 0xe993, 0xe994, 0xe995, 0xe996, 0xe997, 0xe998,
+  0xe999, 0xe99a, 0xe99b, 0xe99c, 0xe99d, 0xe99e, 0xe99f, 0xe9a0,
+  0xe9a1, 0xe9a2, 0xe9a3, 0xe9a4, 0xe9a5, 0xe9a6, 0xe9a7, 0xe9a8,
+  0xe9a9, 0xe9aa, 0xe9ab, 0xe9ac, 0xe9ad, 0xe9ae, 0xe9af, 0xe9b0,
+  0xe9b1, 0xe9b2, 0xe9b3, 0xe9b4, 0xe9b5, 0xe9b6, 0xe9b7, 0xe9b8,
+  0xe9b9, 0xe9ba, 0xe9bb, 0xe9bc, 0xe9bd, 0xe9be, 0xe9bf, 0xe9c0,
+  0xe9c1, 0xe9c2, 0xe9c3, 0xe9c4, 0xe9c5, 0xe9c6, 0xe9c7, 0xe9c8,
+  0xe9c9, 0xe9ca, 0xe9cb, 0xe9cc, 0xe9cd, 0xe9ce, 0xe9cf, 0xe9d0,
+  0xe9d1, 0xe9d2, 0xe9d3, 0xe9d4, 0xe9d5, 0xe9d6, 0xe9d7, 0xe9d8,
+  0xe9d9, 0xe9da, 0xe9db, 0xe9dc, 0xe9dd, 0xe9de, 0xe9df, 0xe9e0,
+  0xe9e1, 0xe9e2, 0xe9e3, 0xe9e4, 0xe9e5, 0xe9e6, 0xe9e7, 0xe9e8,
+  0xe9e9, 0xe9ea, 0xe9eb, 0xe9ec, 0xe9ed, 0xe9ee, 0xe9ef, 0xe9f0,
+  0xe9f1, 0xe9f2, 0xe9f3, 0xe9f4, 0xe9f5, 0xe9f6, 0xe9f7, 0xe9f8,
+  0xe9f9, 0xe9fa, 0xe9fb, 0xe9fc, 0xea40, 0xea41, 0xea42, 0xea43,
+  0xea44, 0xea45, 0xea46, 0xea47, 0xea48, 0xea49, 0xea4a, 0xea4b,
+  0xea4c, 0xea4d, 0xea4e, 0xea4f, 0xea50, 0xea51, 0xea52, 0xea53,
+  0xea54, 0xea55, 0xea56, 0xea57, 0xea58, 0xea59, 0xea5a, 0xea5b,
+  0xea5c, 0xea5d, 0xea5e, 0xea5f, 0xea60, 0xea61, 0xea62, 0xea63,
+  0xea64, 0xea65, 0xea66, 0xea67, 0xea68, 0xea69, 0xea6a, 0xea6b,
+  0xea6c, 0xea6d, 0xea6e, 0xea6f, 0xea70, 0xea71, 0xea72, 0xea73,
+  0xea74, 0xea75, 0xea76, 0xea77, 0xea78, 0xea79, 0xea7a, 0xea7b,
+  0xea7c, 0xea7d, 0xea7e, 0xea80, 0xea81, 0xea82, 0xea83, 0xea84,
+  0xea85, 0xea86, 0xea87, 0xea88, 0xea89, 0xea8a, 0xea8b, 0xea8c,
+  0xea8d, 0xea8e, 0xea8f, 0xea90, 0xea91, 0xea92, 0xea93, 0xea94,
+  0xea95, 0xea96, 0xea97, 0xea98, 0xea99, 0xea9a, 0xea9b, 0xea9c,
+  0xea9d, 0xea9e, 0xea9f, 0xeaa0, 0xeaa1, 0xeaa2, 0x0020, 0x849f,
+  0x84aa, 0x84a0, 0x84ab, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x84a1, 0x0020, 0x0020, 0x84ac, 0x84a2,
+  0x0020, 0x0020, 0x84ad, 0x84a4, 0x0020, 0x0020, 0x84af, 0x84a3,
+  0x0020, 0x0020, 0x84ae, 0x84a5, 0x84ba, 0x0020, 0x0020, 0x84b5,
+  0x0020, 0x0020, 0x84b0, 0x84a7, 0x84bc, 0x0020, 0x0020, 0x84b7,
+  0x0020, 0x0020, 0x84b2, 0x84a6, 0x0020, 0x0020, 0x84b6, 0x84bb,
+  0x0020, 0x0020, 0x84b1, 0x84a8, 0x0020, 0x0020, 0x84b8, 0x84bd,
+  0x0020, 0x0020, 0x84b3, 0x84a9, 0x0020, 0x0020, 0x84b9, 0x0020,
+  0x0020, 0x84be, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x84b4, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020,
+  0x0020, 0x0020, 0x0020, 0x0020, 0xeaa3, 0xeaa4
+};
diff --git a/pdftops/Lexer.cxx b/pdftops/Lexer.cxx
new file mode 100644
index 000000000..442566b72
--- /dev/null
+++ b/pdftops/Lexer.cxx
@@ -0,0 +1,472 @@
+//========================================================================
+//
+// Lexer.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <ctype.h>
+#include "Lexer.h"
+#include "Error.h"
+
+//------------------------------------------------------------------------
+
+// A '1' in this array means the character is white space.  A '1' or
+// '2' means the character ends a name or command.
+static char specialChars[256] = {
+  1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0,   // 0x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // 1x
+  1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2,   // 2x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0,   // 3x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // 4x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0,   // 5x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // 6x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0,   // 7x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // 8x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // 9x
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // ax
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // bx
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // cx
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // dx
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   // ex
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0    // fx
+};
+
+//------------------------------------------------------------------------
+// Lexer
+//------------------------------------------------------------------------
+
+Lexer::Lexer(XRef *xref, Stream *str) {
+  Object obj;
+
+  curStr.initStream(str);
+  streams = new Array(xref);
+  streams->add(curStr.copy(&obj));
+  strPtr = 0;
+  freeArray = gTrue;
+  curStr.streamReset();
+}
+
+Lexer::Lexer(XRef *xref, Object *obj) {
+  Object obj2;
+
+  if (obj->isStream()) {
+    streams = new Array(xref);
+    freeArray = gTrue;
+    streams->add(obj->copy(&obj2));
+  } else {
+    streams = obj->getArray();
+    freeArray = gFalse;
+  }
+  strPtr = 0;
+  if (streams->getLength() > 0) {
+    streams->get(strPtr, &curStr);
+    curStr.streamReset();
+  }
+}
+
+Lexer::~Lexer() {
+  if (!curStr.isNone()) {
+    curStr.streamClose();
+    curStr.free();
+  }
+  if (freeArray) {
+    delete streams;
+  }
+}
+
+int Lexer::getChar() {
+  int c;
+
+  c = EOF;
+  while (!curStr.isNone() && (c = curStr.streamGetChar()) == EOF) {
+    curStr.streamClose();
+    curStr.free();
+    ++strPtr;
+    if (strPtr < streams->getLength()) {
+      streams->get(strPtr, &curStr);
+      curStr.streamReset();
+    }
+  }
+  return c;
+}
+
+int Lexer::lookChar() {
+  if (curStr.isNone()) {
+    return EOF;
+  }
+  return curStr.streamLookChar();
+}
+
+Object *Lexer::getObj(Object *obj) {
+  char *p;
+  int c, c2;
+  GBool comment, neg, done;
+  int numParen;
+  int xi;
+  double xf, scale;
+  GString *s;
+  int n, m;
+
+  // skip whitespace and comments
+  comment = gFalse;
+  while (1) {
+    if ((c = getChar()) == EOF) {
+      return obj->initEOF();
+    }
+    if (comment) {
+      if (c == '\r' || c == '\n')
+	comment = gFalse;
+    } else if (c == '%') {
+      comment = gTrue;
+    } else if (specialChars[c] != 1) {
+      break;
+    }
+  }
+
+  // start reading token
+  switch (c) {
+
+  // number
+  case '0': case '1': case '2': case '3': case '4':
+  case '5': case '6': case '7': case '8': case '9':
+  case '-': case '.':
+    neg = gFalse;
+    xi = 0;
+    if (c == '-') {
+      neg = gTrue;
+    } else if (c == '.') {
+      goto doReal;
+    } else {
+      xi = c - '0';
+    }
+    while (1) {
+      c = lookChar();
+      if (isdigit(c)) {
+	getChar();
+	xi = xi * 10 + (c - '0');
+      } else if (c == '.') {
+	getChar();
+	goto doReal;
+      } else {
+	break;
+      }
+    }
+    if (neg)
+      xi = -xi;
+    obj->initInt(xi);
+    break;
+  doReal:
+    xf = xi;
+    scale = 0.1;
+    while (1) {
+      c = lookChar();
+      if (!isdigit(c)) {
+	break;
+      }
+      getChar();
+      xf = xf + scale * (c - '0');
+      scale *= 0.1;
+    }
+    if (neg)
+      xf = -xf;
+    obj->initReal(xf);
+    break;
+
+  // string
+  case '(':
+    p = tokBuf;
+    n = 0;
+    numParen = 1;
+    done = gFalse;
+    s = NULL;
+    do {
+      c2 = EOF;
+      switch (c = getChar()) {
+
+      case EOF:
+#if 0
+      // This breaks some PDF files, e.g., ones from Photoshop.
+      case '\r':
+      case '\n':
+#endif
+	error(getPos(), "Unterminated string");
+	done = gTrue;
+	break;
+
+      case '(':
+	++numParen;
+	c2 = c;
+	break;
+
+      case ')':
+	if (--numParen == 0) {
+	  done = gTrue;
+	} else {
+	  c2 = c;
+	}
+	break;
+
+      case '\\':
+	switch (c = getChar()) {
+	case 'n':
+	  c2 = '\n';
+	  break;
+	case 'r':
+	  c2 = '\r';
+	  break;
+	case 't':
+	  c2 = '\t';
+	  break;
+	case 'b':
+	  c2 = '\b';
+	  break;
+	case 'f':
+	  c2 = '\f';
+	  break;
+	case '\\':
+	case '(':
+	case ')':
+	  c2 = c;
+	  break;
+	case '0': case '1': case '2': case '3':
+	case '4': case '5': case '6': case '7':
+	  c2 = c - '0';
+	  c = lookChar();
+	  if (c >= '0' && c <= '7') {
+	    getChar();
+	    c2 = (c2 << 3) + (c - '0');
+	    c = lookChar();
+	    if (c >= '0' && c <= '7') {
+	      getChar();
+	      c2 = (c2 << 3) + (c - '0');
+	    }
+	  }
+	  break;
+	case '\r':
+	  c = lookChar();
+	  if (c == '\n') {
+	    getChar();
+	  }
+	  break;
+	case '\n':
+	  break;
+	case EOF:
+	  error(getPos(), "Unterminated string");
+	  done = gTrue;
+	  break;
+	default:
+	  c2 = c;
+	  break;
+	}
+	break;
+
+      default:
+	c2 = c;
+	break;
+      }
+
+      if (c2 != EOF) {
+	if (n == tokBufSize) {
+	  if (!s)
+	    s = new GString(tokBuf, tokBufSize);
+	  else
+	    s->append(tokBuf, tokBufSize);
+	  p = tokBuf;
+	  n = 0;
+	}
+	*p++ = (char)c2;
+	++n;
+      }
+    } while (!done);
+    if (!s)
+      s = new GString(tokBuf, n);
+    else
+      s->append(tokBuf, n);
+    obj->initString(s);
+    break;
+
+  // name
+  case '/':
+    p = tokBuf;
+    n = 0;
+    while ((c = lookChar()) != EOF && !specialChars[c]) {
+      getChar();
+      if (c == '#') {
+	c2 = lookChar();
+	if (c2 >= '0' && c2 <= '9') {
+	  c = c2 - '0';
+	} else if (c2 >= 'A' && c2 <= 'F') {
+	  c = c2 - 'A' + 10;
+	} else if (c2 >= 'a' && c2 <= 'f') {
+	  c = c2 - 'a' + 10;
+	} else {
+	  goto notEscChar;
+	}
+	getChar();
+	c <<= 4;
+	c2 = getChar();
+	if (c2 >= '0' && c2 <= '9') {
+	  c += c2 - '0';
+	} else if (c2 >= 'A' && c2 <= 'F') {
+	  c += c2 - 'A' + 10;
+	} else if (c2 >= 'a' && c2 <= 'f') {
+	  c += c2 - 'a' + 10;
+	} else {
+	  error(getPos(), "Illegal digit in hex char in name");
+	}
+      }
+     notEscChar:
+      if (++n == tokBufSize) {
+	error(getPos(), "Name token too long");
+	break;
+      }
+      *p++ = c;
+    }
+    *p = '\0';
+    obj->initName(tokBuf);
+    break;
+
+  // array punctuation
+  case '[':
+  case ']':
+    tokBuf[0] = c;
+    tokBuf[1] = '\0';
+    obj->initCmd(tokBuf);
+    break;
+
+  // hex string or dict punctuation
+  case '<':
+    c = lookChar();
+
+    // dict punctuation
+    if (c == '<') {
+      getChar();
+      tokBuf[0] = tokBuf[1] = '<';
+      tokBuf[2] = '\0';
+      obj->initCmd(tokBuf);
+
+    // hex string
+    } else {
+      p = tokBuf;
+      m = n = 0;
+      c2 = 0;
+      s = NULL;
+      while (1) {
+	c = getChar();
+	if (c == '>') {
+	  break;
+	} else if (c == EOF) {
+	  error(getPos(), "Unterminated hex string");
+	  break;
+	} else if (specialChars[c] != 1) {
+	  c2 = c2 << 4;
+	  if (c >= '0' && c <= '9')
+	    c2 += c - '0';
+	  else if (c >= 'A' && c <= 'F')
+	    c2 += c - 'A' + 10;
+	  else if (c >= 'a' && c <= 'f')
+	    c2 += c - 'a' + 10;
+	  else
+	    error(getPos(), "Illegal character <%02x> in hex string", c);
+	  if (++m == 2) {
+	    if (n == tokBufSize) {
+	      if (!s)
+		s = new GString(tokBuf, tokBufSize);
+	      else
+		s->append(tokBuf, tokBufSize);
+	      p = tokBuf;
+	      n = 0;
+	    }
+	    *p++ = (char)c2;
+	    ++n;
+	    c2 = 0;
+	    m = 0;
+	  }
+	}
+      }
+      if (!s)
+	s = new GString(tokBuf, n);
+      else
+	s->append(tokBuf, n);
+      if (m == 1)
+	s->append((char)(c2 << 4));
+      obj->initString(s);
+    }
+    break;
+
+  // dict punctuation
+  case '>':
+    c = lookChar();
+    if (c == '>') {
+      getChar();
+      tokBuf[0] = tokBuf[1] = '>';
+      tokBuf[2] = '\0';
+      obj->initCmd(tokBuf);
+    } else {
+      error(getPos(), "Illegal character '>'");
+      obj->initError();
+    }
+    break;
+
+  // error
+  case ')':
+  case '{':
+  case '}':
+    error(getPos(), "Illegal character '%c'", c);
+    obj->initError();
+    break;
+
+  // command
+  default:
+    p = tokBuf;
+    *p++ = c;
+    n = 1;
+    while ((c = lookChar()) != EOF && !specialChars[c]) {
+      getChar();
+      if (++n == tokBufSize) {
+	error(getPos(), "Command token too long");
+	break;
+      }
+      *p++ = c;
+    }
+    *p = '\0';
+    if (tokBuf[0] == 't' && !strcmp(tokBuf, "true")) {
+      obj->initBool(gTrue);
+    } else if (tokBuf[0] == 'f' && !strcmp(tokBuf, "false")) {
+      obj->initBool(gFalse);
+    } else if (tokBuf[0] == 'n' && !strcmp(tokBuf, "null")) {
+      obj->initNull();
+    } else {
+      obj->initCmd(tokBuf);
+    }
+    break;
+  }
+
+  return obj;
+}
+
+void Lexer::skipToNextLine() {
+  int c;
+
+  while (1) {
+    c = getChar();
+    if (c == EOF || c == '\n') {
+      return;
+    }
+    if (c == '\r') {
+      if ((c = lookChar()) == '\n') {
+	getChar();
+      }
+      return;
+    }
+  }
+}
diff --git a/pdftops/Lexer.h b/pdftops/Lexer.h
new file mode 100644
index 000000000..5edbeda6b
--- /dev/null
+++ b/pdftops/Lexer.h
@@ -0,0 +1,74 @@
+//========================================================================
+//
+// Lexer.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef LEXER_H
+#define LEXER_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "Object.h"
+#include "Stream.h"
+
+class XRef;
+
+#define tokBufSize 128		// size of token buffer
+
+//------------------------------------------------------------------------
+// Lexer
+//------------------------------------------------------------------------
+
+class Lexer {
+public:
+
+  // Construct a lexer for a single stream.  Deletes the stream when
+  // lexer is deleted.
+  Lexer(XRef *xref, Stream *str);
+
+  // Construct a lexer for a stream or array of streams (assumes obj
+  // is either a stream or array of streams).
+  Lexer(XRef *xref, Object *obj);
+
+  // Destructor.
+  ~Lexer();
+
+  // Get the next object from the input stream.
+  Object *getObj(Object *obj);
+
+  // Skip to the beginning of the next line in the input stream.
+  void skipToNextLine();
+
+  // Skip over one character.
+  void skipChar() { getChar(); }
+
+  // Get stream.
+  Stream *getStream()
+    { return curStr.isNone() ? (Stream *)NULL : curStr.getStream(); }
+
+  // Get current position in file.
+  int getPos()
+    { return curStr.isNone() ? -1 : curStr.streamGetPos(); }
+
+  // Set position in file.
+  void setPos(int pos)
+    { if (!curStr.isNone()) curStr.streamSetPos(pos); }
+
+private:
+
+  int getChar();
+  int lookChar();
+
+  Array *streams;		// array of input streams
+  int strPtr;			// index of current stream
+  Object curStr;		// current stream
+  GBool freeArray;		// should lexer free the streams array?
+  char tokBuf[tokBufSize];	// temporary token buffer
+};
+
+#endif
diff --git a/pdftops/Link.cxx b/pdftops/Link.cxx
new file mode 100644
index 000000000..999c1f202
--- /dev/null
+++ b/pdftops/Link.cxx
@@ -0,0 +1,633 @@
+//========================================================================
+//
+// Link.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include <string.h>
+#include "gmem.h"
+#include "GString.h"
+#include "Error.h"
+#include "Object.h"
+#include "Array.h"
+#include "Dict.h"
+#include "Link.h"
+
+//------------------------------------------------------------------------
+
+static GString *getFileSpecName(Object *fileSpecObj);
+
+//------------------------------------------------------------------------
+// LinkDest
+//------------------------------------------------------------------------
+
+LinkDest::LinkDest(Array *a, GBool pageIsRefA) {
+  Object obj1, obj2;
+
+  // initialize fields
+  pageIsRef = pageIsRefA;
+  left = bottom = right = top = zoom = 0;
+  ok = gFalse;
+
+  // get page
+  if (pageIsRef) {
+    if (!a->getNF(0, &obj1)->isRef()) {
+      error(-1, "Bad annotation destination");
+      goto err2;
+    }
+    pageRef.num = obj1.getRefNum();
+    pageRef.gen = obj1.getRefGen();
+    obj1.free();
+  } else {
+    if (!a->get(0, &obj1)->isInt()) {
+      error(-1, "Bad annotation destination");
+      goto err2;
+    }
+    pageNum = obj1.getInt() + 1;
+    obj1.free();
+  }
+
+  // get destination type
+  a->get(1, &obj1);
+
+  // XYZ link
+  if (obj1.isName("XYZ")) {
+    kind = destXYZ;
+    a->get(2, &obj2);
+    if (obj2.isNull()) {
+      changeLeft = gFalse;
+    } else if (obj2.isNum()) {
+      changeLeft = gTrue;
+      left = obj2.getNum();
+    } else {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    obj2.free();
+    a->get(3, &obj2);
+    if (obj2.isNull()) {
+      changeTop = gFalse;
+    } else if (obj2.isNum()) {
+      changeTop = gTrue;
+      top = obj2.getNum();
+    } else {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    obj2.free();
+    a->get(4, &obj2);
+    if (obj2.isNull()) {
+      changeZoom = gFalse;
+    } else if (obj2.isNum()) {
+      changeZoom = gTrue;
+      zoom = obj2.getNum();
+    } else {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    obj2.free();
+
+  // Fit link
+  } else if (obj1.isName("Fit")) {
+    kind = destFit;
+
+  // FitH link
+  } else if (obj1.isName("FitH")) {
+    kind = destFitH;
+    if (!a->get(2, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    top = obj2.getNum();
+    obj2.free();
+
+  // FitV link
+  } else if (obj1.isName("FitV")) {
+    kind = destFitV;
+    if (!a->get(2, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    left = obj2.getNum();
+    obj2.free();
+
+  // FitR link
+  } else if (obj1.isName("FitR")) {
+    kind = destFitR;
+    if (!a->get(2, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    left = obj2.getNum();
+    obj2.free();
+    if (!a->get(3, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    bottom = obj2.getNum();
+    obj2.free();
+    if (!a->get(4, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    right = obj2.getNum();
+    obj2.free();
+    if (!a->get(5, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    top = obj2.getNum();
+    obj2.free();
+
+  // FitB link
+  } else if (obj1.isName("FitB")) {
+    kind = destFitB;
+
+  // FitBH link
+  } else if (obj1.isName("FitBH")) {
+    kind = destFitBH;
+    if (!a->get(2, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    top = obj2.getNum();
+    obj2.free();
+
+  // FitBV link
+  } else if (obj1.isName("FitBV")) {
+    kind = destFitBV;
+    if (!a->get(2, &obj2)->isNum()) {
+      error(-1, "Bad annotation destination position");
+      goto err1;
+    }
+    left = obj2.getNum();
+    obj2.free();
+
+  // unknown link kind
+  } else {
+    error(-1, "Unknown annotation destination type");
+    goto err2;
+  }
+
+  obj1.free();
+  ok = gTrue;
+  return;
+
+ err1:
+  obj2.free();
+ err2:
+  obj1.free();
+}
+
+LinkDest::LinkDest(LinkDest *dest) {
+  kind = dest->kind;
+  pageIsRef = dest->pageIsRef;
+  if (pageIsRef)
+    pageRef = dest->pageRef;
+  else
+    pageNum = dest->pageNum;
+  left = dest->left;
+  bottom = dest->bottom;
+  right = dest->right;
+  top = dest->top;
+  zoom = dest->zoom;
+  changeLeft = dest->changeLeft;
+  changeTop = dest->changeTop;
+  changeZoom = dest->changeZoom;
+  ok = gTrue;
+}
+
+//------------------------------------------------------------------------
+// LinkGoTo
+//------------------------------------------------------------------------
+
+LinkGoTo::LinkGoTo(Object *destObj) {
+  dest = NULL;
+  namedDest = NULL;
+
+  // named destination
+  if (destObj->isName()) {
+    namedDest = new GString(destObj->getName());
+  } else if (destObj->isString()) {
+    namedDest = destObj->getString()->copy();
+
+  // destination dictionary
+  } else if (destObj->isArray()) {
+    dest = new LinkDest(destObj->getArray(), gTrue);
+    if (!dest->isOk()) {
+      delete dest;
+      dest = NULL;
+    }
+
+  // error
+  } else {
+    error(-1, "Illegal annotation destination");
+  }
+}
+
+LinkGoTo::~LinkGoTo() {
+  if (dest)
+    delete dest;
+  if (namedDest)
+    delete namedDest;
+}
+
+//------------------------------------------------------------------------
+// LinkGoToR
+//------------------------------------------------------------------------
+
+LinkGoToR::LinkGoToR(Object *fileSpecObj, Object *destObj) {
+  dest = NULL;
+  namedDest = NULL;
+
+  // get file name
+  fileName = getFileSpecName(fileSpecObj);
+
+  // named destination
+  if (destObj->isName()) {
+    namedDest = new GString(destObj->getName());
+  } else if (destObj->isString()) {
+    namedDest = destObj->getString()->copy();
+
+  // destination dictionary
+  } else if (destObj->isArray()) {
+    dest = new LinkDest(destObj->getArray(), gFalse);
+    if (!dest->isOk()) {
+      delete dest;
+      dest = NULL;
+    }
+
+  // error
+  } else {
+    error(-1, "Illegal annotation destination");
+  }
+}
+
+LinkGoToR::~LinkGoToR() {
+  if (fileName)
+    delete fileName;
+  if (dest)
+    delete dest;
+  if (namedDest)
+    delete namedDest;
+}
+
+
+//------------------------------------------------------------------------
+// LinkLaunch
+//------------------------------------------------------------------------
+
+LinkLaunch::LinkLaunch(Object *actionObj) {
+  Object obj1, obj2;
+
+  fileName = NULL;
+  params = NULL;
+
+  if (actionObj->isDict()) {
+    if (!actionObj->dictLookup("F", &obj1)->isNull()) {
+      fileName = getFileSpecName(&obj1);
+    } else {
+      obj1.free();
+      //~ This hasn't been defined by Adobe yet, so assume it looks
+      //~ just like the Win dictionary until they say otherwise.
+      if (actionObj->dictLookup("Unix", &obj1)->isDict()) {
+	obj1.dictLookup("F", &obj2);
+	fileName = getFileSpecName(&obj2);
+	obj2.free();
+	if (obj1.dictLookup("P", &obj2)->isString())
+	  params = obj2.getString()->copy();
+	obj2.free();
+      } else {
+	error(-1, "Bad launch-type link action");
+      }
+    }
+    obj1.free();
+  }
+}
+
+LinkLaunch::~LinkLaunch() {
+  if (fileName)
+    delete fileName;
+  if (params)
+    delete params;
+}
+
+//------------------------------------------------------------------------
+// LinkURI
+//------------------------------------------------------------------------
+
+LinkURI::LinkURI(Object *uriObj, GString *baseURI) {
+  GString *uri2;
+  int n;
+  char c;
+
+  uri = NULL;
+  if (uriObj->isString()) {
+    uri2 = uriObj->getString()->copy();
+    if (baseURI) {
+      n = strcspn(uri2->getCString(), "/:");
+      if (n == uri2->getLength() || uri2->getChar(n) == '/') {
+	uri = baseURI->copy();
+	c = uri->getChar(uri->getLength() - 1);
+	if (c == '/' || c == '?') {
+	  if (uri2->getChar(0) == '/') {
+	    uri2->del(0);
+	  }
+	} else {
+	  if (uri2->getChar(0) != '/') {
+	    uri->append('/');
+	  }
+	}
+	uri->append(uri2);
+	delete uri2;
+      } else {
+	uri = uri2;
+      }
+    } else {
+      uri = uri2;
+    }
+  } else {
+    error(-1, "Illegal URI-type link");
+  }
+}
+
+LinkURI::~LinkURI() {
+  if (uri)
+    delete uri;
+}
+
+//------------------------------------------------------------------------
+// LinkNamed
+//------------------------------------------------------------------------
+
+LinkNamed::LinkNamed(Object *nameObj) {
+  name = NULL;
+  if (nameObj->isName()) {
+    name = new GString(nameObj->getName());
+  }
+}
+
+LinkNamed::~LinkNamed() {
+  if (name) {
+    delete name;
+  }
+}
+
+//------------------------------------------------------------------------
+// LinkUnknown
+//------------------------------------------------------------------------
+
+LinkUnknown::LinkUnknown(char *actionA) {
+  action = new GString(actionA);
+}
+
+LinkUnknown::~LinkUnknown() {
+  delete action;
+}
+
+//------------------------------------------------------------------------
+// Link
+//------------------------------------------------------------------------
+
+Link::Link(Dict *dict, GString *baseURI) {
+  Object obj1, obj2, obj3, obj4;
+  double t;
+
+  action = NULL;
+  ok = gFalse;
+
+  // get rectangle
+  if (!dict->lookup("Rect", &obj1)->isArray()) {
+    error(-1, "Annotation rectangle is wrong type");
+    goto err2;
+  }
+  if (!obj1.arrayGet(0, &obj2)->isNum()) {
+    error(-1, "Bad annotation rectangle");
+    goto err1;
+  }
+  x1 = obj2.getNum();
+  obj2.free();
+  if (!obj1.arrayGet(1, &obj2)->isNum()) {
+    error(-1, "Bad annotation rectangle");
+    goto err1;
+  }
+  y1 = obj2.getNum();
+  obj2.free();
+  if (!obj1.arrayGet(2, &obj2)->isNum()) {
+    error(-1, "Bad annotation rectangle");
+    goto err1;
+  }
+  x2 = obj2.getNum();
+  obj2.free();
+  if (!obj1.arrayGet(3, &obj2)->isNum()) {
+    error(-1, "Bad annotation rectangle");
+    goto err1;
+  }
+  y2 = obj2.getNum();
+  obj2.free();
+  obj1.free();
+  if (x1 > x2) {
+    t = x1;
+    x1 = x2;
+    x2 = t;
+  }
+  if (y1 > y2) {
+    t = y1;
+    y1 = y2;
+    y2 = t;
+  }
+
+  // get border
+  borderW = 0;
+  if (!dict->lookup("Border", &obj1)->isNull()) {
+    if (obj1.isArray() && obj1.arrayGetLength() >= 3) {
+      if (obj1.arrayGet(2, &obj2)->isNum()) {
+	borderW = obj2.getNum();
+      } else {
+	error(-1, "Bad annotation border");
+      }
+      obj2.free();
+    }
+  }
+  obj1.free();
+
+  // look for destination
+  if (!dict->lookup("Dest", &obj1)->isNull()) {
+    action = new LinkGoTo(&obj1);
+
+  // look for action
+  } else {
+    obj1.free();
+    if (dict->lookup("A", &obj1)->isDict()) {
+      obj1.dictLookup("S", &obj2);
+
+      // GoTo action
+      if (obj2.isName("GoTo")) {
+	obj1.dictLookup("D", &obj3);
+	action = new LinkGoTo(&obj3);
+	obj3.free();
+
+      // GoToR action
+      } else if (obj2.isName("GoToR")) {
+	obj1.dictLookup("F", &obj3);
+	obj1.dictLookup("D", &obj4);
+	action = new LinkGoToR(&obj3, &obj4);
+	obj3.free();
+	obj4.free();
+
+      // Launch action
+      } else if (obj2.isName("Launch")) {
+	action = new LinkLaunch(&obj1);
+
+      // URI action
+      } else if (obj2.isName("URI")) {
+	obj1.dictLookup("URI", &obj3);
+	action = new LinkURI(&obj3, baseURI);
+	obj3.free();
+
+      // Named action
+      } else if (obj2.isName("Named")) {
+	obj1.dictLookup("N", &obj3);
+	action = new LinkNamed(&obj3);
+	obj3.free();
+
+      // unknown action
+      } else if (obj2.isName()) {
+	action = new LinkUnknown(obj2.getName());
+
+      // action is missing or wrong type
+      } else {
+	error(-1, "Bad annotation action");
+	action = NULL;
+      }
+
+      obj2.free();
+
+    } else {
+      error(-1, "Missing annotation destination/action");
+      action = NULL;
+    }
+  }
+  obj1.free();
+
+  // check for bad action
+  if (action && action->isOk())
+    ok = gTrue;
+
+  return;
+
+ err1:
+  obj2.free();
+ err2:
+  obj1.free();
+}
+
+Link::~Link() {
+  if (action)
+    delete action;
+}
+
+//------------------------------------------------------------------------
+// Links
+//------------------------------------------------------------------------
+
+Links::Links(Object *annots, GString *baseURI) {
+  Link *link;
+  Object obj1, obj2;
+  int size;
+  int i;
+
+  links = NULL;
+  size = 0;
+  numLinks = 0;
+
+  if (annots->isArray()) {
+    for (i = 0; i < annots->arrayGetLength(); ++i) {
+      if (annots->arrayGet(i, &obj1)->isDict()) {
+	if (obj1.dictLookup("Subtype", &obj2)->isName("Link")) {
+	  link = new Link(obj1.getDict(), baseURI);
+	  if (link->isOk()) {
+	    if (numLinks >= size) {
+	      size += 16;
+	      links = (Link **)grealloc(links, size * sizeof(Link *));
+	    }
+	    links[numLinks++] = link;
+	  } else {
+	    delete link;
+	  }
+	}
+	obj2.free();
+      }
+      obj1.free();
+    }
+  }
+}
+
+Links::~Links() {
+  int i;
+
+  for (i = 0; i < numLinks; ++i)
+    delete links[i];
+  gfree(links);
+}
+
+LinkAction *Links::find(double x, double y) {
+  int i;
+
+  for (i = 0; i < numLinks; ++i) {
+    if (links[i]->inRect(x, y)) {
+      return links[i]->getAction();
+    }
+  }
+  return NULL;
+}
+
+GBool Links::onLink(double x, double y) {
+  int i;
+
+  for (i = 0; i < numLinks; ++i) {
+    if (links[i]->inRect(x, y))
+      return gTrue;
+  }
+  return gFalse;
+}
+
+//------------------------------------------------------------------------
+
+// Extract a file name from a file specification (string or dictionary).
+static GString *getFileSpecName(Object *fileSpecObj) {
+  GString *name;
+  Object obj1;
+
+  name = NULL;
+
+  // string
+  if (fileSpecObj->isString()) {
+    name = fileSpecObj->getString()->copy();
+
+  // dictionary
+  } else if (fileSpecObj->isDict()) {
+    if (!fileSpecObj->dictLookup("Unix", &obj1)->isString()) {
+      obj1.free();
+      fileSpecObj->dictLookup("F", &obj1);
+    }
+    if (obj1.isString())
+      name = obj1.getString()->copy();
+    else
+      error(-1, "Illegal file spec in link");
+    obj1.free();
+
+  // error
+  } else {
+    error(-1, "Illegal file spec in link");
+  }
+
+  return name;
+}
diff --git a/pdftops/Link.h b/pdftops/Link.h
new file mode 100644
index 000000000..4d1672478
--- /dev/null
+++ b/pdftops/Link.h
@@ -0,0 +1,336 @@
+//========================================================================
+//
+// Link.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef LINK_H
+#define LINK_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "Object.h"
+
+class GString;
+class Array;
+class Dict;
+
+//------------------------------------------------------------------------
+// LinkAction
+//------------------------------------------------------------------------
+
+enum LinkActionKind {
+  actionGoTo,			// go to destination
+  actionGoToR,			// go to destination in new file
+  actionLaunch,			// launch app (or open document)
+  actionURI,			// URI
+  actionNamed,			// named action
+  actionUnknown			// anything else
+};
+
+class LinkAction {
+public:
+
+  // Destructor.
+  virtual ~LinkAction() {}
+
+  // Was the LinkAction created successfully?
+  virtual GBool isOk() = 0;
+
+  // Check link action type.
+  virtual LinkActionKind getKind() = 0;
+};
+
+//------------------------------------------------------------------------
+// LinkDest
+//------------------------------------------------------------------------
+
+enum LinkDestKind {
+  destXYZ,
+  destFit,
+  destFitH,
+  destFitV,
+  destFitR,
+  destFitB,
+  destFitBH,
+  destFitBV
+};
+
+class LinkDest {
+public:
+
+  // Build a LinkDest from the array.  If <pageIsRef> is true, the
+  // page is specified by an object reference; otherwise the page is
+  // specified by a (zero-relative) page number.
+  LinkDest(Array *a, GBool pageIsRef1);
+
+  // Copy a LinkDest.
+  LinkDest *copy() { return new LinkDest(this); }
+
+  // Was the LinkDest created successfully?
+  GBool isOk() { return ok; }
+
+  // Accessors.
+  LinkDestKind getKind() { return kind; }
+  GBool isPageRef() { return pageIsRef; }
+  int getPageNum() { return pageNum; }
+  Ref getPageRef() { return pageRef; }
+  double getLeft() { return left; }
+  double getBottom() { return bottom; }
+  double getRight() { return right; }
+  double getTop() { return top; }
+  double getZoom() { return zoom; }
+  GBool getChangeLeft() { return changeLeft; }
+  GBool getChangeTop() { return changeTop; }
+  GBool getChangeZoom() { return changeZoom; }
+
+private:
+
+  LinkDestKind kind;		// destination type
+  GBool pageIsRef;		// is the page a reference or number?
+  union {
+    Ref pageRef;		// reference to page
+    int pageNum;		// one-relative page number
+  };
+  double left, bottom;		// position
+  double right, top;
+  double zoom;			// zoom factor
+  GBool changeLeft, changeTop;	// for destXYZ links, which position
+  GBool changeZoom;		//   components to change
+  GBool ok;			// set if created successfully
+
+  LinkDest(LinkDest *dest);
+};
+
+//------------------------------------------------------------------------
+// LinkGoTo
+//------------------------------------------------------------------------
+
+class LinkGoTo: public LinkAction {
+public:
+
+  // Build a LinkGoTo from a destination (dictionary, name, or string).
+  LinkGoTo(Object *destObj);
+
+  // Destructor.
+  virtual ~LinkGoTo();
+
+  // Was the LinkGoTo created successfully?
+  virtual GBool isOk() { return dest || namedDest; }
+
+  // Accessors.
+  virtual LinkActionKind getKind() { return actionGoTo; }
+  LinkDest *getDest() { return dest; }
+  GString *getNamedDest() { return namedDest; }
+
+private:
+
+  LinkDest *dest;		// regular destination (NULL for remote
+				//   link with bad destination)
+  GString *namedDest;		// named destination (only one of dest and
+				//   and namedDest may be non-NULL)
+};
+
+//------------------------------------------------------------------------
+// LinkGoToR
+//------------------------------------------------------------------------
+
+class LinkGoToR: public LinkAction {
+public:
+
+  // Build a LinkGoToR from a file spec (dictionary) and destination
+  // (dictionary, name, or string).
+  LinkGoToR(Object *fileSpecObj, Object *destObj);
+
+  // Destructor.
+  virtual ~LinkGoToR();
+
+  // Was the LinkGoToR created successfully?
+  virtual GBool isOk() { return fileName && (dest || namedDest); }
+
+  // Accessors.
+  virtual LinkActionKind getKind() { return actionGoToR; }
+  GString *getFileName() { return fileName; }
+  LinkDest *getDest() { return dest; }
+  GString *getNamedDest() { return namedDest; }
+
+private:
+
+  GString *fileName;		// file name
+  LinkDest *dest;		// regular destination (NULL for remote
+				//   link with bad destination)
+  GString *namedDest;		// named destination (only one of dest and
+				//   and namedDest may be non-NULL)
+};
+
+//------------------------------------------------------------------------
+// LinkLaunch
+//------------------------------------------------------------------------
+
+class LinkLaunch: public LinkAction {
+public:
+
+  // Build a LinkLaunch from an action dictionary.
+  LinkLaunch(Object *actionObj);
+
+  // Destructor.
+  virtual ~LinkLaunch();
+
+  // Was the LinkLaunch created successfully?
+  virtual GBool isOk() { return fileName != NULL; }
+
+  // Accessors.
+  virtual LinkActionKind getKind() { return actionLaunch; }
+  GString *getFileName() { return fileName; }
+  GString *getParams() { return params; }
+
+private:
+
+  GString *fileName;		// file name
+  GString *params;		// parameters
+};
+
+//------------------------------------------------------------------------
+// LinkURI
+//------------------------------------------------------------------------
+
+class LinkURI: public LinkAction {
+public:
+
+  // Build a LinkURI given the URI (string) and base URI.
+  LinkURI(Object *uriObj, GString *baseURI);
+
+  // Destructor.
+  virtual ~LinkURI();
+
+  // Was the LinkURI created successfully?
+  virtual GBool isOk() { return uri != NULL; }
+
+  // Accessors.
+  virtual LinkActionKind getKind() { return actionURI; }
+  GString *getURI() { return uri; }
+
+private:
+
+  GString *uri;			// the URI
+};
+
+//------------------------------------------------------------------------
+// LinkNamed
+//------------------------------------------------------------------------
+
+class LinkNamed: public LinkAction {
+public:
+
+  // Build a LinkNamed given the action name.
+  LinkNamed(Object *nameObj);
+
+  virtual ~LinkNamed();
+
+  virtual GBool isOk() { return name != NULL; }
+
+  virtual LinkActionKind getKind() { return actionNamed; }
+  GString *getName() { return name; }
+
+private:
+
+  GString *name;
+};
+
+//------------------------------------------------------------------------
+// LinkUnknown
+//------------------------------------------------------------------------
+
+class LinkUnknown: public LinkAction {
+public:
+
+  // Build a LinkUnknown with the specified action type.
+  LinkUnknown(char *actionA);
+
+  // Destructor.
+  virtual ~LinkUnknown();
+
+  // Was the LinkUnknown create successfully?
+  virtual GBool isOk() { return action != NULL; }
+
+  // Accessors.
+  virtual LinkActionKind getKind() { return actionUnknown; }
+  GString *getAction() { return action; }
+
+private:
+
+  GString *action;		// action subtype
+};
+
+//------------------------------------------------------------------------
+// Link
+//------------------------------------------------------------------------
+
+class Link {
+public:
+
+  // Construct a link, given its dictionary.
+  Link(Dict *dict, GString *baseURI);
+
+  // Destructor.
+  ~Link();
+
+  // Was the link created successfully?
+  GBool isOk() { return ok; }
+
+  // Check if point is inside the link rectangle.
+  GBool inRect(double x, double y)
+    { return x1 <= x && x <= x2 && y1 <= y && y <= y2; }
+
+  // Get action.
+  LinkAction *getAction() { return action; }
+
+  // Get border corners and width.
+  void getBorder(double *xa1, double *ya1, double *xa2, double *ya2,
+		 double *wa)
+    { *xa1 = x1; *ya1 = y1; *xa2 = x2; *ya2 = y2; *wa = borderW; }
+
+private:
+
+  double x1, y1;		// lower left corner
+  double x2, y2;		// upper right corner
+  double borderW;		// border width
+  LinkAction *action;		// action
+  GBool ok;			// is link valid?
+};
+
+//------------------------------------------------------------------------
+// Links
+//------------------------------------------------------------------------
+
+class Links {
+public:
+
+  // Extract links from array of annotations.
+  Links(Object *annots, GString *baseURI);
+
+  // Destructor.
+  ~Links();
+
+  // Iterate through list of links.
+  int getNumLinks() { return numLinks; }
+  Link *getLink(int i) { return links[i]; }
+
+  // If point <x>,<y> is in a link, return the associated action;
+  // else return NULL.
+  LinkAction *find(double x, double y);
+
+  // Return true if <x>,<y> is in a link.
+  GBool onLink(double x, double y);
+
+private:
+
+  Link **links;
+  int numLinks;
+};
+
+#endif
diff --git a/pdftops/Makefile b/pdftops/Makefile
new file mode 100644
index 000000000..67a79c8b3
--- /dev/null
+++ b/pdftops/Makefile
@@ -0,0 +1,132 @@
+#
+# "$Id$"
+#
+#   pdftops filter Makefile for the Common UNIX Printing System (CUPS).
+#
+#   CUPS filter changes Copyright 1997-2002 by Easy Software Products.
+#   Xpdf code Copyright 1996-1999 by Derek B. Noonburg
+#
+
+
+include ../Makedefs
+
+#
+# Object files...
+#
+
+LIBOBJS	=	Decrypt.o GString.o gfile.o gmempp.o gmem.o parseargs.o \
+		Array.o Catalog.o Dict.o Error.o FontEncoding.o \
+		FontFile.o FormWidget.o Function.o Gfx.o GfxFont.o GfxState.o \
+		Lexer.o Link.o Object.o OutputDev.o Page.o Params.o \
+		Parser.o PDFDoc.o PSOutputDev.o Stream.o XRef.o
+OBJS	=	pdftops.o $(LIBOBJS)
+
+#
+# Make everything...
+#
+
+all:	pdftops
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS)
+	$(RM) libxpdf.a
+	$(RM) pdftops
+
+
+#
+# Install the filter...
+#
+
+install:
+	$(INSTALL_DIR) $(SERVERBIN)/filter
+	$(INSTALL_BIN) pdftops $(SERVERBIN)/filter
+
+
+#
+# pdftops
+#
+
+pdftops:	libxpdf.a pdftops.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CXX) $(LDFLAGS) -o $@ pdftops.o libxpdf.a $(LIBS) -lm
+
+pdftops.o:	parseargs.h gtypes.h GString.h gmem.h Object.h Array.h \
+		Dict.h Stream.h XRef.h Catalog.h Page.h PDFDoc.h Link.h \
+		PSOutputDev.h config.h OutputDev.h Params.h Error.h
+
+
+#
+# libxpdf.a
+#
+
+libxpdf.a:	$(LIBOBJS)
+	echo Archiving $@...
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ $(LIBOBJS)
+	$(RANLIB) $@
+
+GString.o:	GString.h
+gmempp.o:	gmem.h
+gfile.o:	GString.h gfile.h gtypes.h
+gmem.o:		gmem.h
+parseargs.o:	parseargs.h gtypes.h
+Array.o:	gmem.h Object.h gtypes.h GString.h Array.h Dict.h Stream.h
+Catalog.o:	gmem.h Object.h gtypes.h GString.h Array.h Dict.h Stream.h \
+		Page.h Error.h config.h Link.h Catalog.h
+Decrypt.o:	gmem.h Decrypt.h gtypes.h GString.h
+Dict.o:		gmem.h Object.h gtypes.h GString.h Array.h Dict.h Stream.h \
+		XRef.h
+Error.o:	gtypes.h Params.h Error.h config.h
+FontEncoding.o:	gmem.h FontEncoding.h gtypes.h
+FontFile.o:	gmem.h Error.h config.h FontFile.h gtypes.h GString.h \
+		FontEncoding.h StdFontInfo.h CompactFontInfo.h
+FormWidget.o:	FormWidget.h gmem.h Object.h Gfx.h
+Function.o:	gmem.h Object.h Dict.h Stream.h Error.h Function.h
+Gfx.o:		gmem.h Object.h gtypes.h GString.h Array.h Dict.h Stream.h \
+		Lexer.h Parser.h GfxFont.h FontEncoding.h GfxState.h \
+		OutputDev.h Params.h Error.h config.h Gfx.h
+GfxFont.o:	GString.h gmem.h gfile.h gtypes.h config.h Object.h Array.h \
+		Dict.h Stream.h Error.h Params.h FontFile.h FontEncoding.h \
+		GfxFont.h FontInfo.h
+GfxState.o:	gmem.h Error.h config.h Object.h gtypes.h GString.h Array.h \
+		Dict.h Stream.h GfxState.h
+ImageOutputDev.o: gmem.h config.h Error.h GfxState.h gtypes.h Object.h \
+		GString.h Array.h Dict.h Stream.h ImageOutputDev.h OutputDev.h
+Lexer.o:	Lexer.h Object.h gtypes.h gmem.h GString.h Array.h Dict.h \
+		Stream.h Error.h config.h
+Link.o:		gmem.h GString.h Error.h config.h Object.h gtypes.h Array.h \
+		Dict.h Stream.h Link.h
+Object.o:	Object.h gtypes.h gmem.h GString.h Array.h Dict.h Stream.h \
+		Error.h config.h XRef.h
+OutputDev.o:	Object.h gtypes.h gmem.h GString.h Array.h Dict.h Stream.h \
+		GfxState.h OutputDev.h
+Page.o:		Object.h gtypes.h gmem.h GString.h Array.h Dict.h Stream.h \
+		XRef.h OutputDev.h Gfx.h Error.h config.h Params.h Page.h
+Params.o:	gtypes.h gmem.h GString.h gfile.h Params.h
+Parser.o:	Object.h gtypes.h gmem.h GString.h Array.h Dict.h Stream.h \
+		Parser.h Lexer.h Error.h config.h
+PDFDoc.o:	GString.h config.h Page.h Object.h gtypes.h gmem.h Array.h \
+		Dict.h Stream.h Catalog.h XRef.h Link.h OutputDev.h Params.h \
+		Error.h PDFDoc.h
+PSOutputDev.o:	GString.h config.h Object.h gtypes.h gmem.h Array.h Dict.h \
+		Stream.h Error.h GfxState.h GfxFont.h FontEncoding.h \
+		FontFile.h Catalog.h Page.h PSOutputDev.h OutputDev.h
+SFont.o:	SFont.h gtypes.h
+Stream.o:	gmem.h config.h Error.h Object.h gtypes.h GString.h Array.h \
+		Dict.h Stream.h Stream-CCITT.h
+T1Font.o:	T1Font.h gmem.h FontEncoding.h
+TTFont.o:	TTFont.h gmem.h FontEncoding.h
+XRef.o:		gmem.h Object.h gtypes.h GString.h Array.h Dict.h Stream.h \
+		Lexer.h Parser.h Error.h config.h XRef.h
+
+
+$(OBJS):	../config.h ../Makedefs
+
+#
+# End of "$Id$".
+#
diff --git a/pdftops/Object.cxx b/pdftops/Object.cxx
new file mode 100644
index 000000000..ca671ea2c
--- /dev/null
+++ b/pdftops/Object.cxx
@@ -0,0 +1,220 @@
+//========================================================================
+//
+// Object.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include "Object.h"
+#include "Array.h"
+#include "Dict.h"
+#include "Error.h"
+#include "Stream.h"
+#include "XRef.h"
+
+//------------------------------------------------------------------------
+// Object
+//------------------------------------------------------------------------
+
+char *objTypeNames[numObjTypes] = {
+  "boolean",
+  "integer",
+  "real",
+  "string",
+  "name",
+  "null",
+  "array",
+  "dictionary",
+  "stream",
+  "ref",
+  "cmd",
+  "error",
+  "eof",
+  "none"
+};
+
+#ifdef DEBUG_MEM
+int Object::numAlloc[numObjTypes] =
+  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+#endif
+
+Object *Object::initArray(XRef *xref) {
+  initObj(objArray);
+  array = new Array(xref);
+  return this;
+}
+
+Object *Object::initDict(XRef *xref) {
+  initObj(objDict);
+  dict = new Dict(xref);
+  return this;
+}
+
+Object *Object::initStream(Stream *streamA) {
+  initObj(objStream);
+  stream = streamA;
+  return this;
+}
+
+Object *Object::copy(Object *obj) {
+  *obj = *this;
+  switch (type) {
+  case objString:
+    obj->string = string->copy();
+    break;
+  case objName:
+    obj->name = copyString(name);
+    break;
+  case objArray:
+    array->incRef();
+    break;
+  case objDict:
+    dict->incRef();
+    break;
+  case objStream:
+    stream->incRef();
+    break;
+  case objCmd:
+    obj->cmd = copyString(cmd);
+    break;
+  default:
+    break;
+  }
+#ifdef DEBUG_MEM
+  ++numAlloc[type];
+#endif
+  return obj;
+}
+
+Object *Object::fetch(XRef *xref, Object *obj) {
+  return (type == objRef && xref) ?
+         xref->fetch(ref.num, ref.gen, obj) : copy(obj);
+}
+
+void Object::free() {
+  switch (type) {
+  case objString:
+    delete string;
+    break;
+  case objName:
+    gfree(name);
+    break;
+  case objArray:
+    if (!array->decRef()) {
+      delete array;
+    }
+    break;
+  case objDict:
+    if (!dict->decRef()) {
+      delete dict;
+    }
+    break;
+  case objStream:
+    if (!stream->decRef()) {
+      delete stream;
+    }
+    break;
+  case objCmd:
+    gfree(cmd);
+    break;
+  default:
+    break;
+  }
+#ifdef DEBUG_MEM
+  --numAlloc[type];
+#endif
+  type = objNone;
+}
+
+char *Object::getTypeName() {
+  return objTypeNames[type];
+}
+
+void Object::print(FILE *f) {
+  Object obj;
+  int i;
+
+  switch (type) {
+  case objBool:
+    fprintf(f, "%s", booln ? "true" : "false");
+    break;
+  case objInt:
+    fprintf(f, "%d", intg);
+    break;
+  case objReal:
+    fprintf(f, "%g", real);
+    break;
+  case objString:
+    fprintf(f, "(%s)", string->getCString());
+    break;
+  case objName:
+    fprintf(f, "/%s", name);
+    break;
+  case objNull:
+    fprintf(f, "null");
+    break;
+  case objArray:
+    fprintf(f, "[");
+    for (i = 0; i < arrayGetLength(); ++i) {
+      if (i > 0)
+	fprintf(f, " ");
+      arrayGetNF(i, &obj);
+      obj.print(f);
+      obj.free();
+    }
+    fprintf(f, "]");
+    break;
+  case objDict:
+    fprintf(f, "<<");
+    for (i = 0; i < dictGetLength(); ++i) {
+      fprintf(f, " /%s ", dictGetKey(i));
+      dictGetValNF(i, &obj);
+      obj.print(f);
+      obj.free();
+    }
+    fprintf(f, " >>");
+    break;
+  case objStream:
+    fprintf(f, "<stream>");
+    break;
+  case objRef:
+    fprintf(f, "%d %d R", ref.num, ref.gen);
+    break;
+  case objCmd:
+    fprintf(f, "%s", cmd);
+    break;
+  case objError:
+    fprintf(f, "<error>");
+    break;
+  case objEOF:
+    fprintf(f, "<EOF>");
+    break;
+  case objNone:
+    fprintf(f, "<none>");
+    break;
+  }
+}
+
+void Object::memCheck(FILE *f) {
+#ifdef DEBUG_MEM
+  int i;
+  int t;
+
+  t = 0;
+  for (i = 0; i < numObjTypes; ++i)
+    t += numAlloc[i];
+  if (t > 0) {
+    fprintf(f, "Allocated objects:\n");
+    for (i = 0; i < numObjTypes; ++i) {
+      if (numAlloc[i] > 0)
+	fprintf(f, "  %-20s: %6d\n", objTypeNames[i], numAlloc[i]);
+    }
+  }
+#endif
+}
diff --git a/pdftops/Object.h b/pdftops/Object.h
new file mode 100644
index 000000000..49af58613
--- /dev/null
+++ b/pdftops/Object.h
@@ -0,0 +1,299 @@
+//========================================================================
+//
+// Object.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef OBJECT_H
+#define OBJECT_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include "gtypes.h"
+#include "gmem.h"
+#include "GString.h"
+
+class XRef;
+class Array;
+class Dict;
+class Stream;
+
+//------------------------------------------------------------------------
+// Ref
+//------------------------------------------------------------------------
+
+struct Ref {
+  int num;			// object number
+  int gen;			// generation number
+};
+
+//------------------------------------------------------------------------
+// object types
+//------------------------------------------------------------------------
+
+enum ObjType {
+  // simple objects
+  objBool,			// boolean
+  objInt,			// integer
+  objReal,			// real
+  objString,			// string
+  objName,			// name
+  objNull,			// null
+
+  // complex objects
+  objArray,			// array
+  objDict,			// dictionary
+  objStream,			// stream
+  objRef,			// indirect reference
+
+  // special objects
+  objCmd,			// command name
+  objError,			// error return from Lexer
+  objEOF,			// end of file return from Lexer
+  objNone			// uninitialized object
+};
+
+#define numObjTypes 14		// total number of object types
+
+//------------------------------------------------------------------------
+// Object
+//------------------------------------------------------------------------
+
+#ifdef DEBUG_MEM
+#define initObj(t) ++numAlloc[type = t]
+#else
+#define initObj(t) type = t
+#endif
+
+class Object {
+public:
+
+  // Default constructor.
+  Object():
+    type(objNone) {}
+
+  // Initialize an object.
+  Object *initBool(GBool boolnA)
+    { initObj(objBool); booln = boolnA; return this; }
+  Object *initInt(int intgA)
+    { initObj(objInt); intg = intgA; return this; }
+  Object *initReal(double realA)
+    { initObj(objReal); real = realA; return this; }
+  Object *initString(GString *stringA)
+    { initObj(objString); string = stringA; return this; }
+  Object *initName(char *nameA)
+    { initObj(objName); name = copyString(nameA); return this; }
+  Object *initNull()
+    { initObj(objNull); return this; }
+  Object *initArray(XRef *xref);
+  Object *initDict(XRef *xref);
+  Object *initStream(Stream *streamA);
+  Object *initRef(int numA, int genA)
+    { initObj(objRef); ref.num = numA; ref.gen = genA; return this; }
+  Object *initCmd(char *cmdA)
+    { initObj(objCmd); cmd = copyString(cmdA); return this; }
+  Object *initError()
+    { initObj(objError); return this; }
+  Object *initEOF()
+    { initObj(objEOF); return this; }
+
+  // Copy an object.
+  Object *copy(Object *obj);
+
+  // If object is a Ref, fetch and return the referenced object.
+  // Otherwise, return a copy of the object.
+  Object *fetch(XRef *xref, Object *obj);
+
+  // Free object contents.
+  void free();
+
+  // Type checking.
+  ObjType getType() { return type; }
+  GBool isBool() { return type == objBool; }
+  GBool isInt() { return type == objInt; }
+  GBool isReal() { return type == objReal; }
+  GBool isNum() { return type == objInt || type == objReal; }
+  GBool isString() { return type == objString; }
+  GBool isName() { return type == objName; }
+  GBool isNull() { return type == objNull; }
+  GBool isArray() { return type == objArray; }
+  GBool isDict() { return type == objDict; }
+  GBool isStream() { return type == objStream; }
+  GBool isRef() { return type == objRef; }
+  GBool isCmd() { return type == objCmd; }
+  GBool isError() { return type == objError; }
+  GBool isEOF() { return type == objEOF; }
+  GBool isNone() { return type == objNone; }
+
+  // Special type checking.
+  GBool isName(char *nameA)
+    { return type == objName && !strcmp(name, nameA); }
+  GBool isDict(char *dictType);
+  GBool isStream(char *dictType);
+  GBool isCmd(char *cmdA)
+    { return type == objCmd && !strcmp(cmd, cmdA); }
+
+  // Accessors.  NB: these assume object is of correct type.
+  GBool getBool() { return booln; }
+  int getInt() { return intg; }
+  double getReal() { return real; }
+  double getNum() { return type == objInt ? (double)intg : real; }
+  GString *getString() { return string; }
+  char *getName() { return name; }
+  Array *getArray() { return array; }
+  Dict *getDict() { return dict; }
+  Stream *getStream() { return stream; }
+  Ref getRef() { return ref; }
+  int getRefNum() { return ref.num; }
+  int getRefGen() { return ref.gen; }
+
+  // Array accessors.
+  int arrayGetLength();
+  void arrayAdd(Object *elem);
+  Object *arrayGet(int i, Object *obj);
+  Object *arrayGetNF(int i, Object *obj);
+
+  // Dict accessors.
+  int dictGetLength();
+  void dictAdd(char *key, Object *val);
+  GBool dictIs(char *dictType);
+  Object *dictLookup(char *key, Object *obj);
+  Object *dictLookupNF(char *key, Object *obj);
+  char *dictGetKey(int i);
+  Object *dictGetVal(int i, Object *obj);
+  Object *dictGetValNF(int i, Object *obj);
+
+  // Stream accessors.
+  GBool streamIs(char *dictType);
+  void streamReset();
+  void streamClose();
+  int streamGetChar();
+  int streamLookChar();
+  char *streamGetLine(char *buf, int size);
+  int streamGetPos();
+  void streamSetPos(int pos);
+  Dict *streamGetDict();
+
+  // Output.
+  char *getTypeName();
+  void print(FILE *f = stdout);
+
+  // Memory testing.
+  static void memCheck(FILE *f);
+
+private:
+
+  ObjType type;			// object type
+  union {			// value for each type:
+    GBool booln;		//   boolean
+    int intg;			//   integer
+    double real;		//   real
+    GString *string;		//   string
+    char *name;			//   name
+    Array *array;		//   array
+    Dict *dict;			//   dictionary
+    Stream *stream;		//   stream
+    Ref ref;			//   indirect reference
+    char *cmd;			//   command
+  };
+
+#ifdef DEBUG_MEM
+  static int			// number of each type of object
+    numAlloc[numObjTypes];	//   currently allocated
+#endif
+};
+
+//------------------------------------------------------------------------
+// Array accessors.
+//------------------------------------------------------------------------
+
+#include "Array.h"
+
+inline int Object::arrayGetLength()
+  { return array->getLength(); }
+
+inline void Object::arrayAdd(Object *elem)
+  { array->add(elem); }
+
+inline Object *Object::arrayGet(int i, Object *obj)
+  { return array->get(i, obj); }
+
+inline Object *Object::arrayGetNF(int i, Object *obj)
+  { return array->getNF(i, obj); }
+
+//------------------------------------------------------------------------
+// Dict accessors.
+//------------------------------------------------------------------------
+
+#include "Dict.h"
+
+inline int Object::dictGetLength()
+  { return dict->getLength(); }
+
+inline void Object::dictAdd(char *key, Object *val)
+  { dict->add(key, val); }
+
+inline GBool Object::dictIs(char *dictType)
+  { return dict->is(dictType); }
+
+inline GBool Object::isDict(char *dictType)
+  { return type == objDict && dictIs(dictType); }
+
+inline Object *Object::dictLookup(char *key, Object *obj)
+  { return dict->lookup(key, obj); }
+
+inline Object *Object::dictLookupNF(char *key, Object *obj)
+  { return dict->lookupNF(key, obj); }
+
+inline char *Object::dictGetKey(int i)
+  { return dict->getKey(i); }
+
+inline Object *Object::dictGetVal(int i, Object *obj)
+  { return dict->getVal(i, obj); }
+
+inline Object *Object::dictGetValNF(int i, Object *obj)
+  { return dict->getValNF(i, obj); }
+
+//------------------------------------------------------------------------
+// Stream accessors.
+//------------------------------------------------------------------------
+
+#include "Stream.h"
+
+inline GBool Object::streamIs(char *dictType)
+  { return stream->getDict()->is(dictType); }
+
+inline GBool Object::isStream(char *dictType)
+  { return type == objStream && streamIs(dictType); }
+
+inline void Object::streamReset()
+  { stream->reset(); }
+
+inline void Object::streamClose()
+  { stream->close(); }
+
+inline int Object::streamGetChar()
+  { return stream->getChar(); }
+
+inline int Object::streamLookChar()
+  { return stream->lookChar(); }
+
+inline char *Object::streamGetLine(char *buf, int size)
+  { return stream->getLine(buf, size); }
+
+inline int Object::streamGetPos()
+  { return stream->getPos(); }
+
+inline void Object::streamSetPos(int pos)
+  { stream->setPos(pos); }
+
+inline Dict *Object::streamGetDict()
+  { return stream->getDict(); }
+
+#endif
diff --git a/pdftops/OutputDev.cxx b/pdftops/OutputDev.cxx
new file mode 100644
index 000000000..014b2aef6
--- /dev/null
+++ b/pdftops/OutputDev.cxx
@@ -0,0 +1,94 @@
+//========================================================================
+//
+// OutputDev.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include "Object.h"
+#include "Stream.h"
+#include "GfxState.h"
+#include "OutputDev.h"
+
+//------------------------------------------------------------------------
+// OutputDev
+//------------------------------------------------------------------------
+
+void OutputDev::setDefaultCTM(double *ctm) {
+  int i;
+  double det;
+
+  for (i = 0; i < 6; ++i) {
+    defCTM[i] = ctm[i];
+  }
+  det = 1 / (defCTM[0] * defCTM[3] - defCTM[1] * defCTM[2]);
+  defICTM[0] = defCTM[3] * det;
+  defICTM[1] = -defCTM[1] * det;
+  defICTM[2] = -defCTM[2] * det;
+  defICTM[3] = defCTM[0] * det;
+  defICTM[4] = (defCTM[2] * defCTM[5] - defCTM[3] * defCTM[4]) * det;
+  defICTM[5] = (defCTM[1] * defCTM[4] - defCTM[0] * defCTM[5]) * det;
+}
+
+void OutputDev::cvtDevToUser(int dx, int dy, double *ux, double *uy) {
+  *ux = defICTM[0] * dx + defICTM[2] * dy + defICTM[4];
+  *uy = defICTM[1] * dx + defICTM[3] * dy + defICTM[5];
+}
+
+void OutputDev::cvtUserToDev(double ux, double uy, int *dx, int *dy) {
+  *dx = (int)(defCTM[0] * ux + defCTM[2] * uy + defCTM[4] + 0.5);
+  *dy = (int)(defCTM[1] * ux + defCTM[3] * uy + defCTM[5] + 0.5);
+}
+
+void OutputDev::updateAll(GfxState *state) {
+  updateLineDash(state);
+  updateFlatness(state);
+  updateLineJoin(state);
+  updateLineCap(state);
+  updateMiterLimit(state);
+  updateLineWidth(state);
+  updateFillColor(state);
+  updateStrokeColor(state);
+  updateFont(state);
+}
+
+void OutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
+			      int width, int height, GBool invert,
+			      GBool inlineImg) {
+  int i, j;
+
+  if (inlineImg) {
+    str->reset();
+    j = height * ((width + 7) / 8);
+    for (i = 0; i < j; ++i)
+      str->getChar();
+  }
+}
+
+void OutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
+			  int width, int height, GfxImageColorMap *colorMap,
+			  int *maskColors, GBool inlineImg) {
+  int i, j;
+
+  if (inlineImg) {
+    str->reset();
+    j = height * ((width * colorMap->getNumPixelComps() *
+		   colorMap->getBits() + 7) / 8);
+    for (i = 0; i < j; ++i)
+      str->getChar();
+  }
+}
+
+#if OPI_SUPPORT
+void OutputDev::opiBegin(GfxState *state, Dict *opiDict) {
+}
+
+void OutputDev::opiEnd(GfxState *state, Dict *opiDict) {
+}
+#endif
diff --git a/pdftops/OutputDev.h b/pdftops/OutputDev.h
new file mode 100644
index 000000000..c332fa933
--- /dev/null
+++ b/pdftops/OutputDev.h
@@ -0,0 +1,140 @@
+//========================================================================
+//
+// OutputDev.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef OUTPUTDEV_H
+#define OUTPUTDEV_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+
+class GString;
+class GfxState;
+class GfxColorSpace;
+class GfxImageColorMap;
+class Stream;
+class Link;
+class Catalog;
+
+//------------------------------------------------------------------------
+// OutputDev
+//------------------------------------------------------------------------
+
+class OutputDev {
+public:
+
+  // Constructor.
+  OutputDev() {}
+
+  // Destructor.
+  virtual ~OutputDev() {}
+
+  //----- get info about output device
+
+  // Does this device use upside-down coordinates?
+  // (Upside-down means (0,0) is the top left corner of the page.)
+  virtual GBool upsideDown() = 0;
+
+  // Does this device use drawChar() or drawString()?
+  virtual GBool useDrawChar() = 0;
+
+  //----- initialization and control
+
+  // Set default transform matrix.
+  virtual void setDefaultCTM(double *ctm);
+
+  // Start a page.
+  virtual void startPage(int pageNum, GfxState *state) {}
+
+  // End a page.
+  virtual void endPage() {}
+
+  // Dump page contents to display.
+  virtual void dump() {}
+
+  //----- coordinate conversion
+
+  // Convert between device and user coordinates.
+  virtual void cvtDevToUser(int dx, int dy, double *ux, double *uy);
+  virtual void cvtUserToDev(double ux, double uy, int *dx, int *dy);
+
+  //----- link borders
+  virtual void drawLink(Link *link, Catalog *catalog) {}
+
+  //----- save/restore graphics state
+  virtual void saveState(GfxState *state) {}
+  virtual void restoreState(GfxState *state) {}
+
+  //----- update graphics state
+  virtual void updateAll(GfxState *state);
+  virtual void updateCTM(GfxState *state, double m11, double m12,
+			 double m21, double m22, double m31, double m32) {}
+  virtual void updateLineDash(GfxState *state) {}
+  virtual void updateFlatness(GfxState *state) {}
+  virtual void updateLineJoin(GfxState *state) {}
+  virtual void updateLineCap(GfxState *state) {}
+  virtual void updateMiterLimit(GfxState *state) {}
+  virtual void updateLineWidth(GfxState *state) {}
+  virtual void updateFillColor(GfxState *state) {}
+  virtual void updateStrokeColor(GfxState *state) {}
+  virtual void updateFillOpacity(GfxState *state) {}
+  virtual void updateStrokeOpacity(GfxState *state) {}
+
+  //----- update text state
+  virtual void updateFont(GfxState *state) {}
+  virtual void updateTextMat(GfxState *state) {}
+  virtual void updateCharSpace(GfxState *state) {}
+  virtual void updateRender(GfxState *state) {}
+  virtual void updateRise(GfxState *state) {}
+  virtual void updateWordSpace(GfxState *state) {}
+  virtual void updateHorizScaling(GfxState *state) {}
+  virtual void updateTextPos(GfxState *state) {}
+  virtual void updateTextShift(GfxState *state, double shift) {}
+
+  //----- path painting
+  virtual void stroke(GfxState *state) {}
+  virtual void fill(GfxState *state) {}
+  virtual void eoFill(GfxState *state) {}
+
+  //----- path clipping
+  virtual void clip(GfxState *state) {}
+  virtual void eoClip(GfxState *state) {}
+
+  //----- text drawing
+  virtual void beginString(GfxState *state, GString *s) {}
+  virtual void endString(GfxState *state) {}
+  virtual void drawChar(GfxState *state, double x, double y,
+			double dx, double dy, Guchar c) {}
+  virtual void drawChar16(GfxState *state, double x, double y,
+			  double dx, double dy, int c) {}
+  virtual void drawString(GfxState *state, GString *s) {}
+  virtual void drawString16(GfxState *state, GString *s) {}
+
+  //----- image drawing
+  virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
+			     int width, int height, GBool invert,
+			     GBool inlineImg);
+  virtual void drawImage(GfxState *state, Object *ref, Stream *str,
+			 int width, int height, GfxImageColorMap *colorMap,
+			 int *maskColors, GBool inlineImg);
+
+#if OPI_SUPPORT
+  //----- OPI functions
+  virtual void opiBegin(GfxState *state, Dict *opiDict);
+  virtual void opiEnd(GfxState *state, Dict *opiDict);
+#endif
+
+private:
+
+  double defCTM[6];		// default coordinate transform matrix
+  double defICTM[6];		// inverse of default CTM
+};
+
+#endif
diff --git a/pdftops/PDFDoc.cxx b/pdftops/PDFDoc.cxx
new file mode 100644
index 000000000..ae0428054
--- /dev/null
+++ b/pdftops/PDFDoc.cxx
@@ -0,0 +1,251 @@
+//========================================================================
+//
+// PDFDoc.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include "GString.h"
+#include "config.h"
+#include "Page.h"
+#include "Catalog.h"
+#include "Stream.h"
+#include "XRef.h"
+#include "Link.h"
+#include "OutputDev.h"
+#include "Params.h"
+#include "Error.h"
+#include "Lexer.h"
+#include "Parser.h"
+#include "PDFDoc.h"
+
+//------------------------------------------------------------------------
+
+#define headerSearchSize 1024	// read this many bytes at beginning of
+				//   file to look for '%PDF'
+
+//------------------------------------------------------------------------
+// PDFDoc
+//------------------------------------------------------------------------
+
+PDFDoc::PDFDoc(GString *fileNameA, GString *ownerPassword,
+	       GString *userPassword, GBool printCommandsA) {
+  Object obj;
+  GString *fileName2;
+
+  ok = gFalse;
+
+  file = NULL;
+  str = NULL;
+  xref = NULL;
+  catalog = NULL;
+  links = NULL;
+  printCommands = printCommandsA;
+
+  // try to open file
+  fileName = fileNameA;
+  fileName2 = NULL;
+#ifdef VMS
+  if (!(file = fopen(fileName->getCString(), "rb", "ctx=stm"))) {
+    error(-1, "Couldn't open file '%s'", fileName->getCString());
+    return;
+  }
+#else
+  if (!(file = fopen(fileName->getCString(), "rb"))) {
+    fileName2 = fileName->copy();
+    fileName2->lowerCase();
+    if (!(file = fopen(fileName2->getCString(), "rb"))) {
+      fileName2->upperCase();
+      if (!(file = fopen(fileName2->getCString(), "rb"))) {
+	error(-1, "Couldn't open file '%s'", fileName->getCString());
+	delete fileName2;
+	return;
+      }
+    }
+    delete fileName2;
+  }
+#endif
+
+  // create stream
+  obj.initNull();
+  str = new FileStream(file, 0, -1, &obj);
+
+  ok = setup(ownerPassword, userPassword);
+}
+
+PDFDoc::PDFDoc(BaseStream *strA, GString *ownerPassword,
+	       GString *userPassword, GBool printCommandsA) {
+  ok = gFalse;
+  fileName = NULL;
+  file = NULL;
+  str = strA;
+  xref = NULL;
+  catalog = NULL;
+  links = NULL;
+  printCommands = printCommandsA;
+  ok = setup(ownerPassword, userPassword);
+}
+
+GBool PDFDoc::setup(GString *ownerPassword, GString *userPassword) {
+  // check header
+  checkHeader();
+
+  // read xref table
+  xref = new XRef(str, ownerPassword, userPassword);
+  if (!xref->isOk()) {
+    error(-1, "Couldn't read xref table");
+    return gFalse;
+  }
+
+  // read catalog
+  catalog = new Catalog(xref, printCommands);
+  if (!catalog->isOk()) {
+    error(-1, "Couldn't read page catalog");
+    return gFalse;
+  }
+
+  // done
+  return gTrue;
+}
+
+PDFDoc::~PDFDoc() {
+  if (catalog) {
+    delete catalog;
+  }
+  if (xref) {
+    delete xref;
+  }
+  if (str) {
+    delete str;
+  }
+  if (file) {
+    fclose(file);
+  }
+  if (fileName) {
+    delete fileName;
+  }
+  if (links) {
+    delete links;
+  }
+}
+
+// Check for a PDF header on this stream.  Skip past some garbage
+// if necessary.
+void PDFDoc::checkHeader() {
+  char hdrBuf[headerSearchSize+1];
+  char *p;
+  int i;
+
+  pdfVersion = 0;
+  for (i = 0; i < headerSearchSize; ++i) {
+    hdrBuf[i] = str->getChar();
+  }
+  hdrBuf[headerSearchSize] = '\0';
+  for (i = 0; i < headerSearchSize - 5; ++i) {
+    if (!strncmp(&hdrBuf[i], "%PDF-", 5)) {
+      break;
+    }
+  }
+  if (i >= headerSearchSize - 5) {
+    error(-1, "May not be a PDF file (continuing anyway)");
+    return;
+  }
+  str->moveStart(i);
+  p = strtok(&hdrBuf[i+5], " \t\n\r");
+  pdfVersion = atof(p);
+  if (!(hdrBuf[i+5] >= '0' && hdrBuf[i+5] <= '9') ||
+      pdfVersion > supportedPDFVersionNum + 0.0001) {
+    error(-1, "PDF version %s -- xpdf supports version %s"
+	  " (continuing anyway)", p, supportedPDFVersionStr);
+  }
+}
+
+void PDFDoc::displayPage(OutputDev *out, int page, double zoom,
+			 int rotate, GBool doLinks) {
+  Page *p;
+
+  if (printCommands) {
+    printf("***** page %d *****\n", page);
+  }
+  p = catalog->getPage(page);
+  if (doLinks) {
+    if (links) {
+      delete links;
+    }
+    getLinks(p);
+    p->display(out, zoom, rotate, links, catalog);
+  } else {
+    p->display(out, zoom, rotate, NULL, catalog);
+  }
+}
+
+void PDFDoc::displayPages(OutputDev *out, int firstPage, int lastPage,
+			  int zoom, int rotate, GBool doLinks) {
+  int page;
+
+  for (page = firstPage; page <= lastPage; ++page) {
+    displayPage(out, page, zoom, rotate, doLinks);
+  }
+}
+
+GBool PDFDoc::isLinearized() {
+  Parser *parser;
+  Object obj1, obj2, obj3, obj4, obj5;
+  GBool lin;
+
+  lin = gFalse;
+  obj1.initNull();
+  parser = new Parser(xref, new Lexer(xref, str->makeSubStream(str->getStart(),
+							       -1, &obj1)));
+  parser->getObj(&obj1);
+  parser->getObj(&obj2);
+  parser->getObj(&obj3);
+  parser->getObj(&obj4);
+  if (obj1.isInt() && obj2.isInt() && obj3.isCmd("obj") &&
+      obj4.isDict()) {
+    obj4.dictLookup("Linearized", &obj5);
+    if (obj5.isNum() && obj5.getNum() > 0) {
+      lin = gTrue;
+    }
+    obj5.free();
+  }
+  obj4.free();
+  obj3.free();
+  obj2.free();
+  obj1.free();
+  delete parser;
+  return lin;
+}
+
+GBool PDFDoc::saveAs(GString *name) {
+  FILE *f;
+  int c;
+
+  if (!(f = fopen(name->getCString(), "wb"))) {
+    error(-1, "Couldn't open file '%s'", name->getCString());
+    return gFalse;
+  }
+  str->reset();
+  while ((c = str->getChar()) != EOF) {
+    fputc(c, f);
+  }
+  str->close();
+  fclose(f);
+  return gTrue;
+}
+
+void PDFDoc::getLinks(Page *page) {
+  Object obj;
+
+  links = new Links(page->getAnnots(&obj), catalog->getBaseURI());
+  obj.free();
+}
diff --git a/pdftops/PDFDoc.h b/pdftops/PDFDoc.h
new file mode 100644
index 000000000..c693e991a
--- /dev/null
+++ b/pdftops/PDFDoc.h
@@ -0,0 +1,135 @@
+//========================================================================
+//
+// PDFDoc.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef PDFDOC_H
+#define PDFDOC_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stdio.h>
+#include "XRef.h"
+#include "Link.h"
+#include "Catalog.h"
+#include "Page.h"
+
+class GString;
+class BaseStream;
+class OutputDev;
+class Links;
+class LinkAction;
+class LinkDest;
+
+//------------------------------------------------------------------------
+// PDFDoc
+//------------------------------------------------------------------------
+
+class PDFDoc {
+public:
+
+  PDFDoc(GString *fileNameA, GString *ownerPassword = NULL,
+	 GString *userPassword = NULL, GBool printCommandsA = gFalse);
+  PDFDoc(BaseStream *strA, GString *ownerPassword = NULL,
+	 GString *userPassword = NULL, GBool printCommandsA = gFalse);
+  ~PDFDoc();
+
+  // Was PDF document successfully opened?
+  GBool isOk() { return ok; }
+
+  // Get file name.
+  GString *getFileName() { return fileName; }
+
+  // Get the xref table.
+  XRef *getXRef() { return xref; }
+
+  // Get catalog.
+  Catalog *getCatalog() { return catalog; }
+
+  // Get base stream.
+  BaseStream *getBaseStream() { return str; }
+
+  // Get page parameters.
+  double getPageWidth(int page)
+    { return catalog->getPage(page)->getWidth(); }
+  double getPageHeight(int page)
+    { return catalog->getPage(page)->getHeight(); }
+  int getPageRotate(int page)
+    { return catalog->getPage(page)->getRotate(); }
+
+  // Get number of pages.
+  int getNumPages() { return catalog->getNumPages(); }
+
+  // Display a page.
+  void displayPage(OutputDev *out, int page, double zoom,
+		   int rotate, GBool doLinks);
+
+  // Display a range of pages.
+  void displayPages(OutputDev *out, int firstPage, int lastPage,
+		    int zoom, int rotate, GBool doLinks);
+
+  // Find a page, given its object ID.  Returns page number, or 0 if
+  // not found.
+  int findPage(int num, int gen) { return catalog->findPage(num, gen); }
+
+  // If point <x>,<y> is in a link, return the associated action;
+  // else return NULL.
+  LinkAction *findLink(double x, double y) { return links->find(x, y); }
+
+  // Return true if <x>,<y> is in a link.
+  GBool onLink(double x, double y) { return links->onLink(x, y); }
+
+  // Find a named destination.  Returns the link destination, or
+  // NULL if <name> is not a destination.
+  LinkDest *findDest(GString *name)
+    { return catalog->findDest(name); }
+
+  // Is the file encrypted?
+  GBool isEncrypted() { return xref->isEncrypted(); }
+
+  // Check various permissions.
+  GBool okToPrint(GBool ignoreOwnerPW = gFalse)
+    { return xref->okToPrint(ignoreOwnerPW); }
+  GBool okToChange(GBool ignoreOwnerPW = gFalse)
+    { return xref->okToChange(ignoreOwnerPW); }
+  GBool okToCopy(GBool ignoreOwnerPW = gFalse)
+    { return xref->okToCopy(ignoreOwnerPW); }
+  GBool okToAddNotes(GBool ignoreOwnerPW = gFalse)
+    { return xref->okToAddNotes(ignoreOwnerPW); }
+
+  // Is this document linearized?
+  GBool isLinearized();
+
+  // Return the document's Info dictionary (if any).
+  Object *getDocInfo(Object *obj) { return xref->getDocInfo(obj); }
+
+  // Return the PDF version specified by the file.
+  double getPDFVersion() { return pdfVersion; }
+
+  // Save this file with another name.
+  GBool saveAs(GString *name);
+
+private:
+
+  GBool setup(GString *ownerPassword, GString *userPassword);
+  void checkHeader();
+  void getLinks(Page *page);
+
+  GString *fileName;
+  FILE *file;
+  BaseStream *str;
+  double pdfVersion;
+  XRef *xref;
+  Catalog *catalog;
+  Links *links;
+  GBool printCommands;
+
+  GBool ok;
+};
+
+#endif
diff --git a/pdftops/PSOutputDev.cxx b/pdftops/PSOutputDev.cxx
new file mode 100644
index 000000000..b62a23d24
--- /dev/null
+++ b/pdftops/PSOutputDev.cxx
@@ -0,0 +1,2562 @@
+//========================================================================
+//
+// PSOutputDev.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <signal.h>
+#include <math.h>
+#include "GString.h"
+#include "config.h"
+#include "Object.h"
+#include "Error.h"
+#include "Function.h"
+#include "GfxState.h"
+#include "GfxFont.h"
+#include "FontFile.h"
+#include "Catalog.h"
+#include "Page.h"
+#include "Stream.h"
+#include "FormWidget.h"
+#include "PSOutputDev.h"
+
+#if JAPANESE_SUPPORT
+#include "Japan12ToRKSJ.h"
+#endif
+
+#ifdef MACOS
+// needed for setting type/creator of MacOS files
+#include "ICSupport.h"
+#endif
+
+//------------------------------------------------------------------------
+// PostScript prolog and setup
+//------------------------------------------------------------------------
+
+static char *prolog[] = {
+  "/xpdf 75 dict def xpdf begin",
+  "% PDF special state",
+  "/pdfDictSize 14 def",
+  "/pdfSetup {",
+  "  2 array astore",
+  "  /setpagedevice where {",
+  "    pop 3 dict dup begin",
+  "      exch /PageSize exch def",
+  "      /ImagingBBox null def",
+  "      /Policies 1 dict dup begin /PageSize 3 def end def",
+  "    end setpagedevice",
+  "  } {",
+  "    pop",
+  "  } ifelse",
+  "} def",
+  "/pdfStartPage {",
+  "  pdfDictSize dict begin",
+  "  /pdfFill [0] def",
+  "  /pdfStroke [0] def",
+  "  /pdfLastFill false def",
+  "  /pdfLastStroke false def",
+  "  /pdfTextMat [1 0 0 1 0 0] def",
+  "  /pdfFontSize 0 def",
+  "  /pdfCharSpacing 0 def",
+  "  /pdfTextRender 0 def",
+  "  /pdfTextRise 0 def",
+  "  /pdfWordSpacing 0 def",
+  "  /pdfHorizScaling 1 def",
+  "} def",
+  "/pdfEndPage { end } def",
+  "% separation convention operators",
+  "/findcmykcustomcolor where {",
+  "  pop",
+  "}{",
+  "  /findcmykcustomcolor { 5 array astore } def",
+  "} ifelse",
+  "/setcustomcolor where {",
+  "  pop",
+  "}{",
+  "  /setcustomcolor {",
+  "    exch",
+  "    [ exch /Separation exch dup 4 get exch /DeviceCMYK exch",
+  "      0 4 getinterval cvx",
+  "      [ exch /dup load exch { mul exch dup } /forall load",
+  "        /pop load dup ] cvx",
+  "    ] setcolorspace setcolor",
+  "  } def",
+  "} ifelse",
+  "/customcolorimage where {",
+  "  pop",
+  "}{",
+  "  /customcolorimage {",
+  "    gsave",
+  "    [ exch /Separation exch dup 4 get exch /DeviceCMYK exch",
+  "      0 4 getinterval cvx",
+  "      [ exch /dup load exch { mul exch dup } /forall load",
+  "        /pop load dup ] cvx",
+  "    ] setcolorspace",
+  "    10 dict begin",
+  "      /ImageType 1 def",
+  "      /DataSource exch def",
+  "      /ImageMatrix exch def",
+  "      /BitsPerComponent exch def",
+  "      /Height exch def",
+  "      /Width exch def",
+  "      /Decode [1 0] def",
+  "    currentdict end",
+  "    image",
+  "    grestore",
+  "  } def",
+  "} ifelse",
+  "% PDF color state",
+  "/sCol {",
+  "  pdfLastStroke not {",
+  "    pdfStroke aload length",
+  "    dup 1 eq {",
+  "      pop setgray",
+  "    }{",
+  "      dup 3 eq {",
+  "        pop setrgbcolor",
+  "      }{",
+  "        4 eq {",
+  "          setcmykcolor",
+  "        }{",
+  "          findcmykcustomcolor exch setcustomcolor",
+  "        } ifelse",
+  "      } ifelse",
+  "    } ifelse",
+  "    /pdfLastStroke true def /pdfLastFill false def",
+  "  } if",
+  "} def",
+  "/fCol {",
+  "  pdfLastFill not {",
+  "    pdfFill aload length",
+  "    dup 1 eq {",
+  "      pop setgray",
+  "    }{",
+  "      dup 3 eq {",
+  "        pop setrgbcolor",
+  "      }{",
+  "        4 eq {",
+  "          setcmykcolor",
+  "        }{",
+  "          findcmykcustomcolor exch setcustomcolor",
+  "        } ifelse",
+  "      } ifelse",
+  "    } ifelse",
+  "    /pdfLastFill true def /pdfLastStroke false def",
+  "  } if",
+  "} def",
+  "% build a font",
+  "/pdfMakeFont {",
+  "  4 3 roll findfont",
+  "  4 2 roll matrix scale makefont",
+  "  dup length dict begin",
+  "    { 1 index /FID ne { def } { pop pop } ifelse } forall",
+  "    /Encoding exch def",
+  "    currentdict",
+  "  end",
+  "  definefont pop",
+  "} def",
+  "/pdfMakeFont16 { findfont definefont pop } def",
+  "% graphics state operators",
+  "/q { gsave pdfDictSize dict begin } def",
+  "/Q { end grestore } def",
+  "/cm { concat } def",
+  "/d { setdash } def",
+  "/i { setflat } def",
+  "/j { setlinejoin } def",
+  "/J { setlinecap } def",
+  "/M { setmiterlimit } def",
+  "/w { setlinewidth } def",
+  "% color operators",
+  "/g { dup 1 array astore /pdfFill exch def setgray",
+  "     /pdfLastFill true def /pdfLastStroke false def } def",
+  "/G { dup 1 array astore /pdfStroke exch def setgray",
+  "     /pdfLastStroke true def /pdfLastFill false def } def",
+  "/rg { 3 copy 3 array astore /pdfFill exch def setrgbcolor",
+  "      /pdfLastFill true def /pdfLastStroke false def } def",
+  "/RG { 3 copy 3 array astore /pdfStroke exch def setrgbcolor",
+  "      /pdfLastStroke true def /pdfLastFill false def } def",
+  "/k { 4 copy 4 array astore /pdfFill exch def setcmykcolor",
+  "     /pdfLastFill true def /pdfLastStroke false def } def",
+  "/K { 4 copy 4 array astore /pdfStroke exch def setcmykcolor",
+  "     /pdfLastStroke true def /pdfLastFill false def } def",
+  "/ck { 6 copy 6 array astore /pdfFill exch def",
+  "      findcmykcustomcolor exch setcustomcolor",
+  "      /pdfLastFill true def /pdfLastStroke false def } def",
+  "/CK { 6 copy 6 array astore /pdfStroke exch def",
+  "      findcmykcustomcolor exch setcustomcolor",
+  "      /pdfLastStroke true def /pdfLastFill false def } def",
+  "% path segment operators",
+  "/m { moveto } def",
+  "/l { lineto } def",
+  "/c { curveto } def",
+  "/re { 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto",
+  "      neg 0 rlineto closepath } def",
+  "/h { closepath } def",
+  "% path painting operators",
+  "/S { sCol stroke } def",
+  "/f { fCol fill } def",
+  "/f* { fCol eofill } def",
+  "% clipping operators",
+  "/W { clip newpath } def",
+  "/W* { eoclip newpath } def",
+  "% text state operators",
+  "/Tc { /pdfCharSpacing exch def } def",
+  "/Tf { dup /pdfFontSize exch def",
+  "      dup pdfHorizScaling mul exch matrix scale",
+  "      pdfTextMat matrix concatmatrix dup 4 0 put dup 5 0 put",
+  "      exch findfont exch makefont setfont } def",
+  "/Tr { /pdfTextRender exch def } def",
+  "/Ts { /pdfTextRise exch def } def",
+  "/Tw { /pdfWordSpacing exch def } def",
+  "/Tz { /pdfHorizScaling exch def } def",
+  "% text positioning operators",
+  "/Td { pdfTextMat transform moveto } def",
+  "/Tm { /pdfTextMat exch def } def",
+  "% text string operators",
+  "/Tj { pdfTextRender 1 and 0 eq { fCol } { sCol } ifelse",
+  "      0 pdfTextRise pdfTextMat dtransform rmoveto",
+  "      pdfFontSize mul pdfHorizScaling mul",
+  "      1 index stringwidth pdfTextMat idtransform pop",
+  "      sub 1 index length dup 0 ne { div } { pop pop 0 } ifelse",
+  "      pdfWordSpacing pdfHorizScaling mul 0 pdfTextMat dtransform 32",
+  "      4 3 roll pdfCharSpacing pdfHorizScaling mul add 0",
+  "      pdfTextMat dtransform",
+  "      6 5 roll awidthshow",
+  "      0 pdfTextRise neg pdfTextMat dtransform rmoveto } def",
+  "/TJm { pdfFontSize 0.001 mul mul neg 0",
+  "       pdfTextMat dtransform rmoveto } def",
+  "% Level 1 image operators",
+  "/pdfIm1 {",
+  "  /pdfImBuf1 4 index string def",
+  "  { currentfile pdfImBuf1 readhexstring pop } image",
+  "} def",
+  "/pdfIm1Sep {",
+  "  /pdfImBuf1 4 index string def",
+  "  /pdfImBuf2 4 index string def",
+  "  /pdfImBuf3 4 index string def",
+  "  /pdfImBuf4 4 index string def",
+  "  { currentfile pdfImBuf1 readhexstring pop }",
+  "  { currentfile pdfImBuf2 readhexstring pop }",
+  "  { currentfile pdfImBuf3 readhexstring pop }",
+  "  { currentfile pdfImBuf4 readhexstring pop }",
+  "  true 4 colorimage",
+  "} def",
+  "/pdfImM1 {",
+  "  /pdfImBuf1 4 index 7 add 8 idiv string def",
+  "  { currentfile pdfImBuf1 readhexstring pop } imagemask",
+  "} def",
+  "% Level 2 image operators",
+  "/pdfImBuf 100 string def",
+  "/pdfIm {",
+  "  image",
+  "  { currentfile pdfImBuf readline",
+  "    not { pop exit } if",
+  "    (%-EOD-) eq { exit } if } loop",
+  "} def",
+  "/pdfImSep {",
+  "  findcmykcustomcolor exch",
+  "  dup /Width get /pdfImBuf1 exch string def",
+  "  begin Width Height BitsPerComponent ImageMatrix DataSource end",
+  "  /pdfImData exch def",
+  "  { pdfImData pdfImBuf1 readstring pop",
+  "    0 1 2 index length 1 sub {",
+  "      1 index exch 2 copy get 255 exch sub put",
+  "    } for }",
+  "  6 5 roll customcolorimage",
+  "  { currentfile pdfImBuf readline",
+  "    not { pop exit } if",
+  "    (%-EOD-) eq { exit } if } loop",
+  "} def",
+  "/pdfImM {",
+  "  fCol imagemask",
+  "  { currentfile pdfImBuf readline",
+  "    not { pop exit } if",
+  "    (%-EOD-) eq { exit } if } loop",
+  "} def",
+  "end",
+  NULL
+};
+
+//------------------------------------------------------------------------
+// Fonts
+//------------------------------------------------------------------------
+
+struct PSFont {
+  char *name;			// PDF name
+  char *psName;			// PostScript name
+};
+
+struct PSSubstFont {
+  char *psName;			// PostScript name
+  double mWidth;		// width of 'm' character
+};
+
+static PSFont psFonts[] = {
+  {"Courier",               "Courier"},
+  {"Courier-Bold",          "Courier-Bold"},
+  {"Courier-Oblique",       "Courier-Oblique"},
+  {"Courier-BoldOblique",   "Courier-BoldOblique"},
+  {"Helvetica",             "Helvetica"},
+  {"Helvetica-Bold",        "Helvetica-Bold"},
+  {"Helvetica-Oblique",     "Helvetica-Oblique"},
+  {"Helvetica-BoldOblique", "Helvetica-BoldOblique"},
+  {"Symbol",                "Symbol"},
+  {"Times-Roman",           "Times-Roman"},
+  {"Times-Bold",            "Times-Bold"},
+  {"Times-Italic",          "Times-Italic"},
+  {"Times-BoldItalic",      "Times-BoldItalic"},
+  {"ZapfDingbats",          "ZapfDingbats"},
+  {NULL}
+};
+
+static PSSubstFont psSubstFonts[] = {
+  {"Helvetica",             0.833},
+  {"Helvetica-Oblique",     0.833},
+  {"Helvetica-Bold",        0.889},
+  {"Helvetica-BoldOblique", 0.889},
+  {"Times-Roman",           0.788},
+  {"Times-Italic",          0.722},
+  {"Times-Bold",            0.833},
+  {"Times-BoldItalic",      0.778},
+  {"Courier",               0.600},
+  {"Courier-Oblique",       0.600},
+  {"Courier-Bold",          0.600},
+  {"Courier-BoldOblique",   0.600}
+};
+
+//------------------------------------------------------------------------
+// process colors
+//------------------------------------------------------------------------
+
+#define psProcessCyan     1
+#define psProcessMagenta  2
+#define psProcessYellow   4
+#define psProcessBlack    8
+#define psProcessCMYK    15
+
+//------------------------------------------------------------------------
+// PSOutCustomColor
+//------------------------------------------------------------------------
+
+class PSOutCustomColor {
+public:
+
+  PSOutCustomColor(double cA, double mA,
+		   double yA, double kA, GString *nameA);
+  ~PSOutCustomColor();
+
+  double c, m, y, k;
+  GString *name;
+  PSOutCustomColor *next;
+};
+
+PSOutCustomColor::PSOutCustomColor(double cA, double mA,
+				   double yA, double kA, GString *nameA) {
+  c = cA;
+  m = mA;
+  y = yA;
+  k = kA;
+  name = nameA;
+  next = NULL;
+}
+
+PSOutCustomColor::~PSOutCustomColor() {
+  delete name;
+}
+
+//------------------------------------------------------------------------
+// PSOutputDev
+//------------------------------------------------------------------------
+
+extern "C" {
+typedef void (*SignalFunc)(int);
+}
+
+PSOutputDev::PSOutputDev(char *fileName, XRef *xrefA, Catalog *catalog,
+			 int firstPage, int lastPage,
+			 PSOutLevel levelA, PSOutMode modeA, GBool doOPIA,
+			 GBool embedType1A, GBool embedTrueTypeA,
+			 int paperWidthA, int paperHeightA) {
+  Page *page;
+  PDFRectangle *box;
+  Dict *resDict;
+  FormWidgets *formWidgets;
+  char **p;
+  int pg;
+  Object obj1, obj2;
+  int i;
+
+  // initialize
+  xref = xrefA;
+  level = levelA;
+  mode = modeA;
+  doOPI = doOPIA;
+  embedType1 = embedType1A;
+  embedTrueType = embedTrueTypeA;
+  paperWidth = paperWidthA;
+  paperHeight = paperHeightA;
+  fontIDs = NULL;
+  fontFileIDs = NULL;
+  fontFileNames = NULL;
+  embFontList = NULL;
+  f = NULL;
+  if (mode == psModeForm) {
+    lastPage = firstPage;
+  }
+  processColors = 0;
+  customColors = NULL;
+
+  // open file or pipe
+  ok = gTrue;
+  if (!strcmp(fileName, "-")) {
+    fileType = psStdout;
+    f = stdout;
+  } else if (fileName[0] == '|') {
+    fileType = psPipe;
+#ifdef HAVE_POPEN
+#ifndef WIN32
+    signal(SIGPIPE, (SignalFunc)SIG_IGN);
+#endif
+    if (!(f = popen(fileName + 1, "w"))) {
+      error(-1, "Couldn't run print command '%s'", fileName);
+      ok = gFalse;
+      return;
+    }
+#else
+    error(-1, "Print commands are not supported ('%s')", fileName);
+    ok = gFalse;
+    return;
+#endif
+  } else {
+    fileType = psFile;
+    if (!(f = fopen(fileName, "w"))) {
+      error(-1, "Couldn't open PostScript file '%s'", fileName);
+      ok = gFalse;
+      return;
+    }
+  }
+
+  // initialize fontIDs, fontFileIDs, and fontFileNames lists
+  fontIDSize = 64;
+  fontIDLen = 0;
+  fontIDs = (Ref *)gmalloc(fontIDSize * sizeof(Ref));
+  fontFileIDSize = 64;
+  fontFileIDLen = 0;
+  fontFileIDs = (Ref *)gmalloc(fontFileIDSize * sizeof(Ref));
+  fontFileNameSize = 64;
+  fontFileNameLen = 0;
+  fontFileNames = (GString **)gmalloc(fontFileNameSize * sizeof(GString *));
+
+  // initialize embedded font resource comment list
+  embFontList = new GString();
+
+  // write header
+  switch (mode) {
+  case psModePS:
+    writePS("%%!PS-Adobe-3.0\n");
+    writePS("%%%%Creator: xpdf/pdftops %s\n", xpdfVersion);
+    writePS("%%%%LanguageLevel: %d\n",
+	    (level == psLevel1 || level == psLevel1Sep) ? 1 : 2);
+    if (level == psLevel1Sep || level == psLevel2Sep) {
+      writePS("%%%%DocumentProcessColors: (atend)\n");
+      writePS("%%%%DocumentCustomColors: (atend)\n");
+    }
+    writePS("%%%%DocumentMedia: plain %d %d 0 () ()\n",
+	    paperWidth, paperHeight);
+    writePS("%%%%Pages: %d\n", lastPage - firstPage + 1);
+    writePS("%%%%EndComments\n");
+    writePS("%%%%BeginDefaults\n");
+    writePS("%%%%PageMedia: plain\n");
+    writePS("%%%%EndDefaults\n");
+    break;
+  case psModeEPS:
+    writePS("%%!PS-Adobe-3.0 EPSF-3.0\n");
+    writePS("%%%%Creator: xpdf/pdftops %s\n", xpdfVersion);
+    writePS("%%%%LanguageLevel: %d\n",
+	    (level == psLevel1 || level == psLevel1Sep) ? 1 : 2);
+    if (level == psLevel1Sep || level == psLevel2Sep) {
+      writePS("%%%%DocumentProcessColors: (atend)\n");
+      writePS("%%%%DocumentCustomColors: (atend)\n");
+    }
+    page = catalog->getPage(firstPage);
+    box = page->getBox();
+    writePS("%%%%BoundingBox: %d %d %d %d\n",
+	    (int)floor(box->x1), (int)floor(box->y1),
+	    (int)ceil(box->x2), (int)ceil(box->y2));
+    if (floor(box->x1) != ceil(box->x1) ||
+	floor(box->y1) != ceil(box->y1) ||
+	floor(box->x2) != ceil(box->x2) ||
+	floor(box->y2) != ceil(box->y2)) {
+      writePS("%%%%HiResBoundingBox: %g %g %g %g\n",
+	      box->x1, box->y1, box->x2, box->y2);
+    }
+    writePS("%%%%DocumentSuppliedResources: (atend)\n");
+    writePS("%%%%EndComments\n");
+    break;
+  case psModeForm:
+    writePS("%%!PS-Adobe-3.0 Resource-Form\n");
+    writePS("%%%%Creator: xpdf/pdftops %s\n", xpdfVersion);
+    writePS("%%%%LanguageLevel: %d\n",
+	    (level == psLevel1 || level == psLevel1Sep) ? 1 : 2);
+    if (level == psLevel1Sep || level == psLevel2Sep) {
+      writePS("%%%%DocumentProcessColors: (atend)\n");
+      writePS("%%%%DocumentCustomColors: (atend)\n");
+    }
+    writePS("%%%%EndComments\n");
+    page = catalog->getPage(firstPage);
+    box = page->getBox();
+    writePS("32 dict dup begin\n");
+    writePS("/BBox [%d %d %d %d] def\n",
+	    (int)box->x1, (int)box->y1, (int)box->x2, (int)box->y2);
+    writePS("/FormType 1 def\n");
+    writePS("/Matrix [1 0 0 1 0 0] def\n");
+    break;
+  }
+
+  // write prolog
+  if (mode != psModeForm) {
+    writePS("%%%%BeginProlog\n");
+  }
+  writePS("%%%%BeginResource: procset xpdf %s 0\n", xpdfVersion);
+  for (p = prolog; *p; ++p) {
+    writePS("%s\n", *p);
+  }
+  writePS("%%%%EndResource\n");
+  if (mode != psModeForm) {
+    writePS("%%%%EndProlog\n");
+  }
+
+  // set up fonts and images
+  type3Warning = gFalse;
+  if (mode == psModeForm) {
+    // swap the form and xpdf dicts
+    writePS("xpdf end begin dup begin\n");
+  } else {
+    writePS("%%%%BeginSetup\n");
+    writePS("xpdf begin\n");
+  }
+  for (pg = firstPage; pg <= lastPage; ++pg) {
+    page = catalog->getPage(pg);
+    if ((resDict = page->getResourceDict())) {
+      setupResources(resDict);
+    }
+    formWidgets = new FormWidgets(xref, page->getAnnots(&obj1));
+    obj1.free();
+    for (i = 0; i < formWidgets->getNumWidgets(); ++i) {
+      if (formWidgets->getWidget(i)->getAppearance(&obj1)->isStream()) {
+	obj1.streamGetDict()->lookup("Resources", &obj2);
+	if (obj2.isDict()) {
+	  setupResources(obj2.getDict());
+	}
+	obj2.free();
+      }
+      obj1.free();
+    }
+    delete formWidgets;
+  }
+  if (mode != psModeForm) {
+#if OPI_SUPPORT
+    if (doOPI) {
+      writePS("/opiMatrix matrix currentmatrix def\n");
+    }
+#endif
+    if (mode != psModeEPS) {
+      writePS("%d %d pdfSetup\n", paperWidth, paperHeight);
+    }
+    writePS("%%%%EndSetup\n");
+  }
+
+  // initialize sequential page number
+  seqPage = 1;
+
+#if OPI_SUPPORT
+  // initialize OPI nesting levels
+  opi13Nest = 0;
+  opi20Nest = 0;
+#endif
+}
+
+PSOutputDev::~PSOutputDev() {
+  PSOutCustomColor *cc;
+  int i;
+
+  if (f) {
+    if (mode == psModeForm) {
+      writePS("/Foo exch /Form defineresource pop\n");
+    } else  {
+      writePS("%%%%Trailer\n");
+      writePS("end\n");
+      writePS("%%%%DocumentSuppliedResources:\n");
+      writePS("%s", embFontList->getCString());
+      if (level == psLevel1Sep || level == psLevel2Sep) {
+         writePS("%%%%DocumentProcessColors:");
+         if (processColors & psProcessCyan) {
+	   writePS(" Cyan");
+	 }
+         if (processColors & psProcessMagenta) {
+	   writePS(" Magenta");
+	 }
+         if (processColors & psProcessYellow) {
+	   writePS(" Yellow");
+	 }
+         if (processColors & psProcessBlack) {
+	   writePS(" Black");
+	 }
+         writePS("\n");
+         writePS("%%%%DocumentCustomColors:");
+	 for (cc = customColors; cc; cc = cc->next) {
+	   writePS(" (%s)", cc->name->getCString());
+	 }
+         writePS("\n");
+         writePS("%%%%CMYKCustomColor:\n");
+	 for (cc = customColors; cc; cc = cc->next) {
+	   writePS("%%%%+ %g %g %g %g (%s)\n",
+		   cc->c, cc->m, cc->y, cc->k, cc->name->getCString());
+	 }
+      }
+      writePS("%%%%EOF\n");
+    }
+    if (fileType == psFile) {
+#ifdef MACOS
+      ICS_MapRefNumAndAssign((short)f->handle);
+#endif
+      fclose(f);
+    }
+#ifdef HAVE_POPEN
+    else if (fileType == psPipe) {
+      pclose(f);
+#ifndef WIN32
+      signal(SIGPIPE, (SignalFunc)SIG_DFL);
+#endif
+    }
+#endif
+  }
+  if (embFontList) {
+    delete embFontList;
+  }
+  if (fontIDs) {
+    gfree(fontIDs);
+  }
+  if (fontFileIDs) {
+    gfree(fontFileIDs);
+  }
+  if (fontFileNames) {
+    for (i = 0; i < fontFileNameLen; ++i) {
+      delete fontFileNames[i];
+    }
+    gfree(fontFileNames);
+  }
+  while (customColors) {
+    cc = customColors;
+    customColors = cc->next;
+    delete cc;
+  }
+}
+
+void PSOutputDev::setupResources(Dict *resDict) {
+  Object xObjDict, xObj, resObj;
+  int i;
+
+  setupFonts(resDict);
+  setupImages(resDict);
+
+  resDict->lookup("XObject", &xObjDict);
+  if (xObjDict.isDict()) {
+    for (i = 0; i < xObjDict.dictGetLength(); ++i) {
+      xObjDict.dictGetVal(i, &xObj);
+      if (xObj.isStream()) {
+	xObj.streamGetDict()->lookup("Resources", &resObj);
+	if (resObj.isDict()) {
+	  setupResources(resObj.getDict());
+	}
+	resObj.free();
+      }
+      xObj.free();
+    }
+  }
+  xObjDict.free();
+}
+
+void PSOutputDev::setupFonts(Dict *resDict) {
+  Object fontDict;
+  GfxFontDict *gfxFontDict;
+  GfxFont *font;
+  int i;
+
+  resDict->lookup("Font", &fontDict);
+  if (fontDict.isDict()) {
+    gfxFontDict = new GfxFontDict(xref, fontDict.getDict());
+    for (i = 0; i < gfxFontDict->getNumFonts(); ++i) {
+      font = gfxFontDict->getFont(i);
+      setupFont(font);
+    }
+    delete gfxFontDict;
+  }
+  fontDict.free();
+}
+
+void PSOutputDev::setupFont(GfxFont *font) {
+  Ref fontFileID;
+  GString *name;
+  char *psName;
+  char *charName;
+  double xs, ys;
+  GBool do16Bit;
+  int code;
+  double w1, w2;
+  double *fm;
+  int i, j;
+
+  // check if font is already set up
+  for (i = 0; i < fontIDLen; ++i) {
+    if (fontIDs[i].num == font->getID().num &&
+	fontIDs[i].gen == font->getID().gen)
+      return;
+  }
+
+  // add entry to fontIDs list
+  if (fontIDLen >= fontIDSize) {
+    fontIDSize += 64;
+    fontIDs = (Ref *)grealloc(fontIDs, fontIDSize * sizeof(Ref));
+  }
+  fontIDs[fontIDLen++] = font->getID();
+
+  xs = ys = 1;
+  do16Bit = gFalse;
+
+  // check for embedded Type 1 font
+  if (embedType1 && font->getType() == fontType1 &&
+      font->getEmbeddedFontID(&fontFileID)) {
+    psName = font->getEmbeddedFontName();
+    setupEmbeddedType1Font(&fontFileID, psName);
+
+  // check for external Type 1 font file
+  } else if (embedType1 && font->getType() == fontType1 &&
+	     font->getExtFontFile()) {
+    // this assumes that the PS font name matches the PDF font name
+    psName = font->getName()->getCString();
+    setupEmbeddedType1Font(font->getExtFontFile(), psName);
+
+  // check for embedded Type 1C font
+  } else if (embedType1 && font->getType() == fontType1C &&
+	     font->getEmbeddedFontID(&fontFileID)) {
+    psName = font->getEmbeddedFontName();
+    setupEmbeddedType1CFont(font, &fontFileID, psName);
+
+  // check for embedded TrueType font
+  } else if (embedTrueType && font->getType() == fontTrueType &&
+	     font->getEmbeddedFontID(&fontFileID)) {
+    psName = font->getEmbeddedFontName();
+    setupEmbeddedTrueTypeFont(font, &fontFileID, psName);
+
+  // check for Japanese font
+  } else if (font->is16Bit() && font->getCharSet16() == font16AdobeJapan12) {
+    psName = "Ryumin-Light-RKSJ";
+    do16Bit = gTrue;
+
+  // do font substitution
+  } else {
+    if (!type3Warning && font->getType() == fontType3) {
+      error(-1, "This document uses Type 3 fonts - some text may not be correctly printed");
+      type3Warning = gTrue;
+    }
+    name = font->getName();
+    psName = NULL;
+    if (name) {
+      for (i = 0; psFonts[i].name; ++i) {
+	if (name->cmp(psFonts[i].name) == 0) {
+	  psName = psFonts[i].psName;
+	  break;
+	}
+      }
+    }
+    if (!psName) {
+      if (font->isFixedWidth())
+	i = 8;
+      else if (font->isSerif())
+	i = 4;
+      else
+	i = 0;
+      if (font->isBold())
+	i += 2;
+      if (font->isItalic())
+	i += 1;
+      psName = psSubstFonts[i].psName;
+      if ((code = font->getCharCode("m")) >= 0) {
+	w1 = font->getWidth(code);
+      } else {
+	w1 = 0;
+      }
+      w2 = psSubstFonts[i].mWidth;
+      xs = w1 / w2;
+      if (xs < 0.1) {
+	xs = 1;
+      }
+      if (font->getType() == fontType3) {
+	// This is a hack which makes it possible to substitute for some
+	// Type 3 fonts.  The problem is that it's impossible to know what
+	// the base coordinate system used in the font is without actually
+	// rendering the font.
+	ys = xs;
+	fm = font->getFontMatrix();
+	if (fm[0] != 0) {
+	  ys *= fm[3] / fm[0];
+	}
+      } else {
+	ys = 1;
+      }
+    }
+  }
+
+  // generate PostScript code to set up the font
+  if (do16Bit) {
+    writePS("/F%d_%d /%s pdfMakeFont16\n",
+	    font->getID().num, font->getID().gen, psName);
+  } else {
+    writePS("/F%d_%d /%s %g %g\n",
+	    font->getID().num, font->getID().gen, psName, xs, ys);
+    for (i = 0; i < 256; i += 8) {
+      writePS((i == 0) ? "[ " : "  ");
+      for (j = 0; j < 8; ++j) {
+	charName = font->getCharName(i+j);
+	// this is a kludge for broken PDF files that encode char 32
+	// as .notdef
+	if (i+j == 32 && charName && !strcmp(charName, ".notdef")) {
+	  charName = "space";
+	}
+	writePS("/%s", charName ? charName : ".notdef");
+      }
+      writePS((i == 256-8) ? "]\n" : "\n");
+    }
+    writePS("pdfMakeFont\n");
+  }
+}
+
+void PSOutputDev::setupEmbeddedType1Font(Ref *id, char *psName) {
+  static char hexChar[17] = "0123456789abcdef";
+  Object refObj, strObj, obj1, obj2;
+  Dict *dict;
+  int length1, length2;
+  int c;
+  int start[4];
+  GBool binMode;
+  int i;
+
+  // check if font is already embedded
+  for (i = 0; i < fontFileIDLen; ++i) {
+    if (fontFileIDs[i].num == id->num &&
+	fontFileIDs[i].gen == id->gen)
+      return;
+  }
+
+  // add entry to fontFileIDs list
+  if (fontFileIDLen >= fontFileIDSize) {
+    fontFileIDSize += 64;
+    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
+  }
+  fontFileIDs[fontFileIDLen++] = *id;
+
+  // get the font stream and info
+  refObj.initRef(id->num, id->gen);
+  refObj.fetch(xref, &strObj);
+  refObj.free();
+  if (!strObj.isStream()) {
+    error(-1, "Embedded font file object is not a stream");
+    goto err1;
+  }
+  if (!(dict = strObj.streamGetDict())) {
+    error(-1, "Embedded font stream is missing its dictionary");
+    goto err1;
+  }
+  dict->lookup("Length1", &obj1);
+  dict->lookup("Length2", &obj2);
+  if (!obj1.isInt() || !obj2.isInt()) {
+    error(-1, "Missing length fields in embedded font stream dictionary");
+    obj1.free();
+    obj2.free();
+    goto err1;
+  }
+  length1 = obj1.getInt();
+  length2 = obj2.getInt();
+  obj1.free();
+  obj2.free();
+
+  // beginning comment
+  writePS("%%%%BeginResource: font %s\n", psName);
+  embFontList->append("%%+ font ");
+  embFontList->append(psName);
+  embFontList->append("\n");
+
+  // copy ASCII portion of font
+  strObj.streamReset();
+  for (i = 0; i < length1 && (c = strObj.streamGetChar()) != EOF; ++i)
+    fputc(c, f);
+
+  // figure out if encrypted portion is binary or ASCII
+  binMode = gFalse;
+  for (i = 0; i < 4; ++i) {
+    start[i] = strObj.streamGetChar();
+    if (start[i] == EOF) {
+      error(-1, "Unexpected end of file in embedded font stream");
+      goto err1;
+    }
+    if (!((start[i] >= '0' && start[i] <= '9') ||
+	  (start[i] >= 'A' && start[i] <= 'F') ||
+	  (start[i] >= 'a' && start[i] <= 'f')))
+      binMode = gTrue;
+  }
+
+  // convert binary data to ASCII
+  if (binMode) {
+    for (i = 0; i < 4; ++i) {
+      fputc(hexChar[(start[i] >> 4) & 0x0f], f);
+      fputc(hexChar[start[i] & 0x0f], f);
+    }
+    while (i < length2) {
+      if ((c = strObj.streamGetChar()) == EOF)
+	break;
+      fputc(hexChar[(c >> 4) & 0x0f], f);
+      fputc(hexChar[c & 0x0f], f);
+      if (++i % 32 == 0)
+	fputc('\n', f);
+    }
+    if (i % 32 > 0)
+      fputc('\n', f);
+
+  // already in ASCII format -- just copy it
+  } else {
+    for (i = 0; i < 4; ++i)
+      fputc(start[i], f);
+    for (i = 4; i < length2; ++i) {
+      if ((c = strObj.streamGetChar()) == EOF)
+	break;
+      fputc(c, f);
+    }
+  }
+
+  // write padding and "cleartomark"
+  for (i = 0; i < 8; ++i)
+    writePS("00000000000000000000000000000000"
+	    "00000000000000000000000000000000\n");
+  writePS("cleartomark\n");
+
+  // ending comment
+  writePS("%%%%EndResource\n");
+
+ err1:
+  strObj.streamClose();
+  strObj.free();
+}
+
+//~ This doesn't handle .pfb files or binary eexec data (which only
+//~ happens in pfb files?).
+void PSOutputDev::setupEmbeddedType1Font(GString *fileName, char *psName) {
+  FILE *fontFile;
+  int c;
+  int i;
+
+  // check if font is already embedded
+  for (i = 0; i < fontFileNameLen; ++i) {
+    if (!fontFileNames[i]->cmp(fileName)) {
+      return;
+    }
+  }
+
+  // add entry to fontFileNames list
+  if (fontFileNameLen >= fontFileNameSize) {
+    fontFileNameSize += 64;
+    fontFileNames = (GString **)grealloc(fontFileNames,
+					 fontFileNameSize * sizeof(GString *));
+  }
+  fontFileNames[fontFileNameLen++] = fileName->copy();
+
+  // beginning comment
+  writePS("%%%%BeginResource: font %s\n", psName);
+  embFontList->append("%%+ font ");
+  embFontList->append(psName);
+  embFontList->append("\n");
+
+  // copy the font file
+  if (!(fontFile = fopen(fileName->getCString(), "rb"))) {
+    error(-1, "Couldn't open external font file");
+    return;
+  }
+  while ((c = fgetc(fontFile)) != EOF)
+    fputc(c, f);
+  fclose(fontFile);
+
+  // ending comment
+  writePS("%%%%EndResource\n");
+}
+
+void PSOutputDev::setupEmbeddedType1CFont(GfxFont *font, Ref *id,
+					  char *psName) {
+  char *fontBuf;
+  int fontLen;
+  Type1CFontConverter *cvt;
+  int i;
+
+  // check if font is already embedded
+  for (i = 0; i < fontFileIDLen; ++i) {
+    if (fontFileIDs[i].num == id->num &&
+	fontFileIDs[i].gen == id->gen)
+      return;
+  }
+
+  // add entry to fontFileIDs list
+  if (fontFileIDLen >= fontFileIDSize) {
+    fontFileIDSize += 64;
+    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
+  }
+  fontFileIDs[fontFileIDLen++] = *id;
+
+  // beginning comment
+  writePS("%%%%BeginResource: font %s\n", psName);
+  embFontList->append("%%+ font ");
+  embFontList->append(psName);
+  embFontList->append("\n");
+
+  // convert it to a Type 1 font
+  fontBuf = font->readEmbFontFile(xref, &fontLen);
+  cvt = new Type1CFontConverter(fontBuf, fontLen, f);
+  cvt->convert();
+  delete cvt;
+  gfree(fontBuf);
+
+  // ending comment
+  writePS("%%%%EndResource\n");
+}
+
+void PSOutputDev::setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id,
+					    char *psName) {
+  char *fontBuf;
+  int fontLen;
+  TrueTypeFontFile *ttFile;
+  int i;
+
+  // check if font is already embedded
+  for (i = 0; i < fontFileIDLen; ++i) {
+    if (fontFileIDs[i].num == id->num &&
+	fontFileIDs[i].gen == id->gen)
+      return;
+  }
+
+  // add entry to fontFileIDs list
+  if (fontFileIDLen >= fontFileIDSize) {
+    fontFileIDSize += 64;
+    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
+  }
+  fontFileIDs[fontFileIDLen++] = *id;
+
+  // beginning comment
+  writePS("%%%%BeginResource: font %s\n", psName);
+  embFontList->append("%%+ font ");
+  embFontList->append(psName);
+  embFontList->append("\n");
+
+  // convert it to a Type 42 font
+  fontBuf = font->readEmbFontFile(xref, &fontLen);
+  ttFile = new TrueTypeFontFile(fontBuf, fontLen);
+  ttFile->convertToType42(psName, font->getEncoding(), f);
+  delete ttFile;
+  gfree(fontBuf);
+
+  // ending comment
+  writePS("%%%%EndResource\n");
+}
+
+void PSOutputDev::setupImages(Dict *resDict) {
+  Object xObjDict, xObj, xObjRef, subtypeObj;
+  int i;
+
+  if (mode != psModeForm) {
+    return;
+  }
+
+  resDict->lookup("XObject", &xObjDict);
+  if (xObjDict.isDict()) {
+    for (i = 0; i < xObjDict.dictGetLength(); ++i) {
+      xObjDict.dictGetValNF(i, &xObjRef);
+      xObjDict.dictGetVal(i, &xObj);
+      if (xObj.isStream()) {
+	xObj.streamGetDict()->lookup("Subtype", &subtypeObj);
+	if (subtypeObj.isName("Image")) {
+	  if (xObjRef.isRef()) {
+	    setupImage(xObjRef.getRef(), xObj.getStream());
+	  } else {
+	    error(-1, "Image in resource dict is not an indirect reference");
+	  }
+	}
+	subtypeObj.free();
+      }
+      xObj.free();
+      xObjRef.free();
+    }
+  }
+  xObjDict.free();
+}
+
+void PSOutputDev::setupImage(Ref id, Stream *str) {
+  int c;
+  int size, line, col, i;
+
+  // construct an encoder stream
+  str = new ASCII85Encoder(str);
+
+  // compute image data size
+  str->reset();
+  col = size = 0;
+  do {
+    do {
+      c = str->getChar();
+    } while (c == '\n' || c == '\r');
+    if (c == '~' || c == EOF) {
+      break;
+    }
+    if (c == 'z') {
+      ++col;
+    } else {
+      ++col;
+      for (i = 1; i <= 4; ++i) {
+	do {
+	  c = str->getChar();
+	} while (c == '\n' || c == '\r');
+	if (c == '~' || c == EOF) {
+	  break;
+	}
+	++col;
+      }
+    }
+    if (col > 225) {
+      ++size;
+      col = 0;
+    }
+  } while (c != '~' && c != EOF);
+  ++size;
+  writePS("%d array dup /ImData_%d_%d exch def\n", size, id.num, id.gen);
+
+  // write the data into the array
+  str->reset();
+  line = col = 0;
+  writePS("dup 0 <~");
+  do {
+    do {
+      c = str->getChar();
+    } while (c == '\n' || c == '\r');
+    if (c == '~' || c == EOF) {
+      break;
+    }
+    if (c == 'z') {
+      fputc(c, f);
+      ++col;
+    } else {
+      fputc(c, f);
+      ++col;
+      for (i = 1; i <= 4; ++i) {
+	do {
+	  c = str->getChar();
+	} while (c == '\n' || c == '\r');
+	if (c == '~' || c == EOF) {
+	  break;
+	}
+	fputc(c, f);
+	++col;
+      }
+    }
+    // each line is: "dup nnnnn <~...data...~> put<eol>"
+    // so max data length = 255 - 20 = 235
+    // chunks are 1 or 4 bytes each, so we have to stop at 232
+    // but make it 225 just to be safe
+    if (col > 225) {
+      writePS("~> put\n");
+      ++line;
+      writePS("dup %d <~", line);
+      col = 0;
+    }
+  } while (c != '~' && c != EOF);
+  writePS("~> put\n");
+  writePS("pop\n");
+
+  delete str;
+}
+
+void PSOutputDev::startPage(int pageNum, GfxState *state) {
+  int x1, y1, x2, y2, width, height, t;
+
+  switch (mode) {
+
+  case psModePS:
+    writePS("%%%%Page: %d %d\n", pageNum, seqPage);
+    writePS("%%%%BeginPageSetup\n");
+
+    // rotate, translate, and scale page
+    x1 = (int)(state->getX1() + 0.5);
+    y1 = (int)(state->getY1() + 0.5);
+    x2 = (int)(state->getX2() + 0.5);
+    y2 = (int)(state->getY2() + 0.5);
+    width = x2 - x1;
+    height = y2 - y1;
+    if (width > height && width > paperWidth) {
+      landscape = gTrue;
+      writePS("%%%%PageOrientation: Landscape\n");
+      writePS("pdfStartPage\n");
+      writePS("90 rotate\n");
+      tx = -x1;
+      ty = -(y1 + paperWidth);
+      t = width;
+      width = height;
+      height = t;
+    } else {
+      landscape = gFalse;
+      writePS("%%%%PageOrientation: Portrait\n");
+      writePS("pdfStartPage\n");
+      tx = -x1;
+      ty = -y1;
+    }
+    if (width < paperWidth) {
+      tx += (paperWidth - width) / 2;
+    }
+    if (height < paperHeight) {
+      ty += (paperHeight - height) / 2;
+    }
+    if (tx != 0 || ty != 0) {
+      writePS("%g %g translate\n", tx, ty);
+    }
+    if (width > paperWidth || height > paperHeight) {
+      xScale = (double)paperWidth / (double)width;
+      yScale = (double)paperHeight / (double)height;
+      if (yScale < xScale) {
+	xScale = yScale;
+      }
+      writePS("%0.4f %0.4f scale\n", xScale, xScale);
+    } else {
+      xScale = yScale = 1;
+    }
+
+    writePS("%%%%EndPageSetup\n");
+    ++seqPage;
+    break;
+
+  case psModeEPS:
+    writePS("pdfStartPage\n");
+    tx = ty = 0;
+    xScale = yScale = 1;
+    landscape = gFalse;
+    break;
+
+  case psModeForm:
+    writePS("/PaintProc {\n");
+    writePS("begin xpdf begin\n");
+    writePS("pdfStartPage\n");
+    tx = ty = 0;
+    xScale = yScale = 1;
+    landscape = gFalse;
+    break;
+  }
+}
+
+void PSOutputDev::endPage() {
+  if (mode == psModeForm) {
+    writePS("pdfEndPage\n");
+    writePS("end end\n");
+    writePS("} def\n");
+    writePS("end end\n");
+  } else {
+    writePS("showpage\n");
+    writePS("%%%%PageTrailer\n");
+    writePS("pdfEndPage\n");
+  }
+}
+
+void PSOutputDev::saveState(GfxState *state) {
+  writePS("q\n");
+}
+
+void PSOutputDev::restoreState(GfxState *state) {
+  writePS("Q\n");
+}
+
+void PSOutputDev::updateCTM(GfxState *state, double m11, double m12,
+			    double m21, double m22, double m31, double m32) {
+  writePS("[%g %g %g %g %g %g] cm\n", m11, m12, m21, m22, m31, m32);
+}
+
+void PSOutputDev::updateLineDash(GfxState *state) {
+  double *dash;
+  double start;
+  int length, i;
+
+  state->getLineDash(&dash, &length, &start);
+  writePS("[");
+  for (i = 0; i < length; ++i)
+    writePS("%g%s", dash[i], (i == length-1) ? "" : " ");
+  writePS("] %g d\n", start);
+}
+
+void PSOutputDev::updateFlatness(GfxState *state) {
+  writePS("%d i\n", state->getFlatness());
+}
+
+void PSOutputDev::updateLineJoin(GfxState *state) {
+  writePS("%d j\n", state->getLineJoin());
+}
+
+void PSOutputDev::updateLineCap(GfxState *state) {
+  writePS("%d J\n", state->getLineCap());
+}
+
+void PSOutputDev::updateMiterLimit(GfxState *state) {
+  writePS("%g M\n", state->getMiterLimit());
+}
+
+void PSOutputDev::updateLineWidth(GfxState *state) {
+  writePS("%g w\n", state->getLineWidth());
+}
+
+void PSOutputDev::updateFillColor(GfxState *state) {
+  GfxColor color;
+  double gray;
+  GfxRGB rgb;
+  GfxCMYK cmyk;
+  GfxSeparationColorSpace *sepCS;
+
+  switch (level) {
+  case psLevel1:
+    state->getFillGray(&gray);
+    writePS("%g g\n", gray);
+    break;
+  case psLevel1Sep:
+    state->getFillCMYK(&cmyk);
+    writePS("%g %g %g %g k\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+    break;
+  case psLevel2:
+    if (state->getFillColorSpace()->getMode() == csDeviceCMYK) {
+      state->getFillCMYK(&cmyk);
+      writePS("%g %g %g %g k\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+    } else {
+      state->getFillRGB(&rgb);
+      if (rgb.r == rgb.g && rgb.g == rgb.b) {
+	writePS("%g g\n", rgb.r);
+      } else {
+	writePS("%g %g %g rg\n", rgb.r, rgb.g, rgb.b);
+      }
+    }
+    break;
+  case psLevel2Sep:
+    if (state->getFillColorSpace()->getMode() == csSeparation) {
+      sepCS = (GfxSeparationColorSpace *)state->getFillColorSpace();
+      color.c[0] = 1;
+      sepCS->getCMYK(&color, &cmyk);
+      writePS("%g %g %g %g %g (%s) ck\n",
+	      state->getFillColor()->c[0],
+	      cmyk.c, cmyk.m, cmyk.y, cmyk.k,
+	      sepCS->getName()->getCString());
+      addCustomColor(sepCS);
+    } else {
+      state->getFillCMYK(&cmyk);
+      writePS("%g %g %g %g k\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+    }
+    break;
+  }
+}
+
+void PSOutputDev::updateStrokeColor(GfxState *state) {
+  GfxColor color;
+  double gray;
+  GfxRGB rgb;
+  GfxCMYK cmyk;
+  GfxSeparationColorSpace *sepCS;
+
+  switch (level) {
+  case psLevel1:
+    state->getStrokeGray(&gray);
+    writePS("%g G\n", gray);
+    break;
+  case psLevel1Sep:
+    state->getStrokeCMYK(&cmyk);
+    writePS("%g %g %g %g K\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+    break;
+  case psLevel2:
+    if (state->getStrokeColorSpace()->getMode() == csDeviceCMYK) {
+      state->getStrokeCMYK(&cmyk);
+      writePS("%g %g %g %g K\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+    } else {
+      state->getStrokeRGB(&rgb);
+      if (rgb.r == rgb.g && rgb.g == rgb.b) {
+	writePS("%g G\n", rgb.r);
+      } else {
+	writePS("%g %g %g RG\n", rgb.r, rgb.g, rgb.b);
+      }
+    }
+    break;
+  case psLevel2Sep:
+    if (state->getStrokeColorSpace()->getMode() == csSeparation) {
+      sepCS = (GfxSeparationColorSpace *)state->getStrokeColorSpace();
+      color.c[0] = 1;
+      sepCS->getCMYK(&color, &cmyk);
+      writePS("%g %g %g %g %g (%s) CK\n",
+	      state->getStrokeColor()->c[0],
+	      cmyk.c, cmyk.m, cmyk.y, cmyk.k,
+	      sepCS->getName()->getCString());
+      addCustomColor(sepCS);
+    } else {
+      state->getStrokeCMYK(&cmyk);
+      writePS("%g %g %g %g K\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+    }
+    break;
+  }
+}
+
+void PSOutputDev::addProcessColor(double c, double m, double y, double k) {
+  if (c > 0) {
+    processColors |= psProcessCyan;
+  }
+  if (m > 0) {
+    processColors |= psProcessMagenta;
+  }
+  if (y > 0) {
+    processColors |= psProcessYellow;
+  }
+  if (k > 0) {
+    processColors |= psProcessBlack;
+  }
+}
+
+void PSOutputDev::addCustomColor(GfxSeparationColorSpace *sepCS) {
+  PSOutCustomColor *cc;
+  GfxColor color;
+  GfxCMYK cmyk;
+
+  for (cc = customColors; cc; cc = cc->next) {
+    if (!cc->name->cmp(sepCS->getName())) {
+      return;
+    }
+  }
+  color.c[0] = 1;
+  sepCS->getCMYK(&color, &cmyk);
+  cc = new PSOutCustomColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k,
+			    sepCS->getName()->copy());
+  cc->next = customColors;
+  customColors = cc;
+}
+
+void PSOutputDev::updateFont(GfxState *state) {
+  if (state->getFont()) {
+    writePS("/F%d_%d %g Tf\n",
+	    state->getFont()->getID().num, state->getFont()->getID().gen,
+	    state->getFontSize());
+  }
+}
+
+void PSOutputDev::updateTextMat(GfxState *state) {
+  double *mat;
+
+  mat = state->getTextMat();
+  writePS("[%g %g %g %g %g %g] Tm\n",
+	  mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
+}
+
+void PSOutputDev::updateCharSpace(GfxState *state) {
+  writePS("%g Tc\n", state->getCharSpace());
+}
+
+void PSOutputDev::updateRender(GfxState *state) {
+  writePS("%d Tr\n", state->getRender());
+}
+
+void PSOutputDev::updateRise(GfxState *state) {
+  writePS("%g Ts\n", state->getRise());
+}
+
+void PSOutputDev::updateWordSpace(GfxState *state) {
+  writePS("%g Tw\n", state->getWordSpace());
+}
+
+void PSOutputDev::updateHorizScaling(GfxState *state) {
+  writePS("%g Tz\n", state->getHorizScaling());
+}
+
+void PSOutputDev::updateTextPos(GfxState *state) {
+  writePS("%g %g Td\n", state->getLineX(), state->getLineY());
+}
+
+void PSOutputDev::updateTextShift(GfxState *state, double shift) {
+  writePS("%g TJm\n", shift);
+}
+
+void PSOutputDev::stroke(GfxState *state) {
+  doPath(state->getPath());
+  writePS("S\n");
+}
+
+void PSOutputDev::fill(GfxState *state) {
+  doPath(state->getPath());
+  writePS("f\n");
+}
+
+void PSOutputDev::eoFill(GfxState *state) {
+  doPath(state->getPath());
+  writePS("f*\n");
+}
+
+void PSOutputDev::clip(GfxState *state) {
+  doPath(state->getPath());
+  writePS("W\n");
+}
+
+void PSOutputDev::eoClip(GfxState *state) {
+  doPath(state->getPath());
+  writePS("W*\n");
+}
+
+void PSOutputDev::doPath(GfxPath *path) {
+  GfxSubpath *subpath;
+  double x0, y0, x1, y1, x2, y2, x3, y3, x4, y4;
+  int n, m, i, j;
+
+  n = path->getNumSubpaths();
+
+  if (n == 1 && path->getSubpath(0)->getNumPoints() == 5) {
+    subpath = path->getSubpath(0);
+    x0 = subpath->getX(0);
+    y0 = subpath->getY(0);
+    x4 = subpath->getX(4);
+    y4 = subpath->getY(4);
+    if (x4 == x0 && y4 == y0) {
+      x1 = subpath->getX(1);
+      y1 = subpath->getY(1);
+      x2 = subpath->getX(2);
+      y2 = subpath->getY(2);
+      x3 = subpath->getX(3);
+      y3 = subpath->getY(3);
+      if (x0 == x1 && x2 == x3 && y0 == y3 && y1 == y2) {
+	writePS("%g %g %g %g re\n",
+		x0 < x2 ? x0 : x2, y0 < y1 ? y0 : y1,
+		fabs(x2 - x0), fabs(y1 - y0));
+	return;
+      } else if (x0 == x3 && x1 == x2 && y0 == y1 && y2 == y3) {
+	writePS("%g %g %g %g re\n",
+		x0 < x1 ? x0 : x1, y0 < y2 ? y0 : y2,
+		fabs(x1 - x0), fabs(y2 - y0));
+	return;
+      }
+    }
+  }
+
+  for (i = 0; i < n; ++i) {
+    subpath = path->getSubpath(i);
+    m = subpath->getNumPoints();
+    writePS("%g %g m\n", subpath->getX(0), subpath->getY(0));
+    j = 1;
+    while (j < m) {
+      if (subpath->getCurve(j)) {
+	writePS("%g %g %g %g %g %g c\n", subpath->getX(j), subpath->getY(j),
+		subpath->getX(j+1), subpath->getY(j+1),
+		subpath->getX(j+2), subpath->getY(j+2));
+	j += 3;
+      } else {
+	writePS("%g %g l\n", subpath->getX(j), subpath->getY(j));
+	++j;
+      }
+    }
+    if (subpath->isClosed()) {
+      writePS("h\n");
+    }
+  }
+}
+
+void PSOutputDev::drawString(GfxState *state, GString *s) {
+  // check for invisible text -- this is used by Acrobat Capture
+  if ((state->getRender() & 3) == 3)
+    return;
+
+  writePSString(s);
+  writePS(" %g Tj\n", state->getFont()->getWidth(s));
+}
+
+void PSOutputDev::drawString16(GfxState *state, GString *s) {
+  int c1, c2;
+  double w;
+  int i;
+
+  // check for invisible text -- this is used by Acrobat Capture
+  if ((state->getRender() & 3) == 3)
+    return;
+
+  switch (state->getFont()->getCharSet16()) {
+
+  case font16AdobeJapan12:
+#if JAPANESE_SUPPORT
+    writePS("<");
+    w = 0;
+    for (i = 0; i < s->getLength(); i += 2) {
+      c1 = ((s->getChar(i) & 0xff) << 8) + (s->getChar(i+1) & 0xff);
+      if (c1 <= 8285) {
+	c2 = japan12ToRKSJ[c1];
+      } else {
+	c2 = 0x20;
+      }
+      if (c2 <= 0xff) {
+	writePS("%02x", c2);
+      } else {
+	writePS("%02x%02x", c2 >> 8, c2 & 0xff);
+      }
+      w += state->getFont()->getWidth16(c1);
+    }
+    writePS("> %g Tj\n", w);
+#endif
+    break;
+
+  case font16AdobeGB12:
+    break;
+
+  case font16AdobeCNS13:
+    break;
+  }
+}
+
+void PSOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
+				int width, int height, GBool invert,
+				GBool inlineImg) {
+  int len;
+
+  len = height * ((width + 7) / 8);
+  if (level == psLevel1 || level == psLevel1Sep) {
+    doImageL1(NULL, invert, inlineImg, str, width, height, len);
+  } else {
+    doImageL2(ref, NULL, invert, inlineImg, str, width, height, len);
+  }
+}
+
+void PSOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
+			    int width, int height, GfxImageColorMap *colorMap,
+			    int *maskColors, GBool inlineImg) {
+  int len;
+
+  len = height * ((width * colorMap->getNumPixelComps() *
+		   colorMap->getBits() + 7) / 8);
+  switch (level) {
+  case psLevel1:
+    doImageL1(colorMap, gFalse, inlineImg, str, width, height, len);
+    break;
+  case psLevel1Sep:
+    //~ handle indexed, separation, ... color spaces
+    doImageL1Sep(colorMap, gFalse, inlineImg, str, width, height, len);
+    break;
+  case psLevel2:
+  case psLevel2Sep:
+    doImageL2(ref, colorMap, gFalse, inlineImg, str, width, height, len);
+    break;
+  }
+}
+
+void PSOutputDev::doImageL1(GfxImageColorMap *colorMap,
+			    GBool invert, GBool inlineImg,
+			    Stream *str, int width, int height, int len) {
+  ImageStream *imgStr;
+  Guchar pixBuf[gfxColorMaxComps];
+  double gray;
+  int x, y, i;
+
+  // width, height, matrix, bits per component
+  if (colorMap) {
+    writePS("%d %d 8 [%d 0 0 %d 0 %d] pdfIm1\n",
+	    width, height,
+	    width, -height, height);
+  } else {
+    writePS("%d %d %s [%d 0 0 %d 0 %d] pdfImM1\n",
+	    width, height, invert ? "true" : "false",
+	    width, -height, height);
+  }
+
+  // image
+  if (colorMap) {
+
+    // set up to process the data stream
+    imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
+			     colorMap->getBits());
+    imgStr->reset();
+
+    // process the data stream
+    i = 0;
+    for (y = 0; y < height; ++y) {
+
+      // write the line
+      for (x = 0; x < width; ++x) {
+	imgStr->getPixel(pixBuf);
+	colorMap->getGray(pixBuf, &gray);
+	fprintf(f, "%02x", (int)(gray * 255 + 0.5));
+	if (++i == 32) {
+	  fputc('\n', f);
+	  i = 0;
+	}
+      }
+    }
+    if (i != 0)
+      fputc('\n', f);
+    delete imgStr;
+
+  // imagemask
+  } else {
+    str->reset();
+    i = 0;
+    for (y = 0; y < height; ++y) {
+      for (x = 0; x < width; x += 8) {
+	fprintf(f, "%02x", str->getChar() & 0xff);
+	if (++i == 32) {
+	  fputc('\n', f);
+	  i = 0;
+	}
+      }
+    }
+    if (i != 0)
+      fputc('\n', f);
+  }
+}
+
+void PSOutputDev::doImageL1Sep(GfxImageColorMap *colorMap,
+			       GBool invert, GBool inlineImg,
+			       Stream *str, int width, int height, int len) {
+  ImageStream *imgStr;
+  Guchar *lineBuf;
+  Guchar pixBuf[gfxColorMaxComps];
+  GfxCMYK cmyk;
+  int x, y, i, comp;
+
+  // width, height, matrix, bits per component
+  writePS("%d %d 8 [%d 0 0 %d 0 %d] pdfIm1Sep\n",
+	    width, height,
+	    width, -height, height);
+
+  // allocate a line buffer
+  lineBuf = (Guchar *)gmalloc(4 * width);
+
+  // set up to process the data stream
+  imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
+			   colorMap->getBits());
+  imgStr->reset();
+
+  // process the data stream
+  i = 0;
+  for (y = 0; y < height; ++y) {
+
+    // read the line
+    for (x = 0; x < width; ++x) {
+      imgStr->getPixel(pixBuf);
+      colorMap->getCMYK(pixBuf, &cmyk);
+      lineBuf[4*x+0] = (int)(255 * cmyk.c + 0.5);
+      lineBuf[4*x+1] = (int)(255 * cmyk.m + 0.5);
+      lineBuf[4*x+2] = (int)(255 * cmyk.y + 0.5);
+      lineBuf[4*x+3] = (int)(255 * cmyk.k + 0.5);
+    }
+
+    // write one line of each color component
+    for (comp = 0; comp < 4; ++comp) {
+      for (x = 0; x < width; ++x) {
+	fprintf(f, "%02x", lineBuf[4*x + comp]);
+	if (++i == 32) {
+	  fputc('\n', f);
+	  i = 0;
+	}
+      }
+    }
+  }
+
+  if (i != 0) {
+    fputc('\n', f);
+  }
+
+  delete imgStr;
+  gfree(lineBuf);
+}
+
+void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap,
+			    GBool invert, GBool inlineImg,
+			    Stream *str, int width, int height, int len) {
+  GString *s;
+  int n, numComps;
+  GBool useRLE, useA85;
+  GfxSeparationColorSpace *sepCS;
+  GfxColor color;
+  GfxCMYK cmyk;
+  int c;
+  int i;
+
+  // color space
+  if (colorMap) {
+    dumpColorSpaceL2(colorMap->getColorSpace());
+    writePS(" setcolorspace\n");
+  }
+
+  // set up to use the array created by setupImages()
+  if (mode == psModeForm && !inlineImg) {
+    writePS("ImData_%d_%d 0\n", ref->getRefNum(), ref->getRefGen());
+  }
+
+  // image dictionary
+  writePS("<<\n  /ImageType 1\n");
+
+  // width, height, matrix, bits per component
+  writePS("  /Width %d\n", width);
+  writePS("  /Height %d\n", height);
+  writePS("  /ImageMatrix [%d 0 0 %d 0 %d]\n", width, -height, height);
+  writePS("  /BitsPerComponent %d\n",
+	  colorMap ? colorMap->getBits() : 1);
+
+  // decode 
+  if (colorMap) {
+    writePS("  /Decode [");
+    if (colorMap->getColorSpace()->getMode() == csSeparation) {
+      //~ this is a kludge -- see comment in dumpColorSpaceL2
+      n = (1 << colorMap->getBits()) - 1;
+      writePS("%g %g", colorMap->getDecodeLow(0) * n,
+	      colorMap->getDecodeHigh(0) * n);
+    } else {
+      numComps = colorMap->getNumPixelComps();
+      for (i = 0; i < numComps; ++i) {
+	if (i > 0) {
+	  writePS(" ");
+	}
+	writePS("%g %g", colorMap->getDecodeLow(i),
+		colorMap->getDecodeHigh(i));
+      }
+    }
+    writePS("]\n");
+  } else {
+    writePS("  /Decode [%d %d]\n", invert ? 1 : 0, invert ? 0 : 1);
+  }
+
+  if (mode == psModeForm) {
+
+    if (inlineImg) {
+
+      // data source
+      writePS("  /DataSource <~\n");
+
+      // write image data stream, using ASCII85 encode filter
+      str = new FixedLengthEncoder(str, len);
+      str = new ASCII85Encoder(str);
+      str->reset();
+      while ((c = str->getChar()) != EOF) {
+	fputc(c, f);
+      }
+      fputc('\n', f);
+      delete str;
+
+    } else {
+      writePS("  /DataSource { 2 copy get exch 1 add exch }\n");
+    }
+
+    // end of image dictionary
+    writePS(">>\n%s\n", colorMap ? "image" : "imagemask");
+
+    // get rid of the array and index
+    if (!inlineImg) {
+      writePS("pop pop\n");
+    }
+
+  } else {
+
+    // data source
+    writePS("  /DataSource currentfile\n");
+    s = str->getPSFilter("    ");
+    if (inlineImg || !s) {
+      useRLE = gTrue;
+      useA85 = gTrue;
+    } else {
+      useRLE = gFalse;
+      useA85 = str->isBinary();
+    }
+    if (useA85) {
+      writePS("    /ASCII85Decode filter\n");
+    }
+    if (useRLE) {
+      writePS("    /RunLengthDecode filter\n");
+    } else {
+      writePS("%s", s->getCString());
+    }
+    if (s) {
+      delete s;
+    }
+
+    // cut off inline image streams at appropriate length
+    if (inlineImg) {
+      str = new FixedLengthEncoder(str, len);
+    } else if (!useRLE) {
+      str = str->getBaseStream();
+    }
+
+    // add RunLengthEncode and ASCII85 encode filters
+    if (useRLE) {
+      str = new RunLengthEncoder(str);
+    }
+    if (useA85) {
+      str = new ASCII85Encoder(str);
+    }
+
+    // end of image dictionary
+    writePS(">>\n");
+#if OPI_SUPPORT
+    if (opi13Nest) {
+      if (inlineImg) {
+	// this can't happen -- OPI dictionaries are in XObjects
+	error(-1, "Internal: OPI in inline image");
+	n = 0;
+      } else {
+	// need to read the stream to count characters -- the length
+	// is data-dependent (because of A85 and RLE filters)
+	str->reset();
+	n = 0;
+	while ((c = str->getChar()) != EOF) {
+	  ++n;
+	}
+      }
+      // +6/7 for "pdfIm\n" / "pdfImM\n"
+      // +8 for newline + trailer
+      n += colorMap ? 14 : 15;
+      writePS("%%%%BeginData: %d Hex Bytes\n", n);
+    }
+#endif
+    if (level == psLevel2Sep && colorMap &&
+	colorMap->getColorSpace()->getMode() == csSeparation) {
+      color.c[0] = 1;
+      sepCS = (GfxSeparationColorSpace *)colorMap->getColorSpace();
+      sepCS->getCMYK(&color, &cmyk);
+      writePS("%g %g %g %g (%s) pdfImSep\n",
+	      cmyk.c, cmyk.m, cmyk.y, cmyk.k, sepCS->getName()->getCString());
+    } else {
+      writePS("%s\n", colorMap ? "pdfIm" : "pdfImM");
+    }
+
+    // copy the stream data
+    str->reset();
+    while ((c = str->getChar()) != EOF) {
+      fputc(c, f);
+    }
+
+    // add newline and trailer to the end
+    fputc('\n', f);
+    fputs("%-EOD-\n", f);
+#if OPI_SUPPORT
+    if (opi13Nest) {
+      writePS("%%%%EndData\n");
+    }
+#endif
+
+    // delete encoders
+    if (useRLE || useA85) {
+      delete str;
+    }
+  }
+}
+
+void PSOutputDev::dumpColorSpaceL2(GfxColorSpace *colorSpace) {
+  GfxCalGrayColorSpace *calGrayCS;
+  GfxCalRGBColorSpace *calRGBCS;
+  GfxLabColorSpace *labCS;
+  GfxIndexedColorSpace *indexedCS;
+  GfxSeparationColorSpace *separationCS;
+  Guchar *lookup;
+  double x[gfxColorMaxComps], y[gfxColorMaxComps];
+  GfxColor color;
+  GfxCMYK cmyk;
+  int n, numComps;
+  int i, j, k;
+
+  switch (colorSpace->getMode()) {
+
+  case csDeviceGray:
+    writePS("/DeviceGray");
+    processColors |= psProcessBlack;
+    break;
+
+  case csCalGray:
+    calGrayCS = (GfxCalGrayColorSpace *)colorSpace;
+    writePS("[/CIEBasedA <<\n");
+    writePS(" /DecodeA {%g exp} bind\n", calGrayCS->getGamma());
+    writePS(" /MatrixA [%g %g %g]\n",
+	    calGrayCS->getWhiteX(), calGrayCS->getWhiteY(),
+	    calGrayCS->getWhiteZ());
+    writePS(" /WhitePoint [%g %g %g]\n",
+	    calGrayCS->getWhiteX(), calGrayCS->getWhiteY(),
+	    calGrayCS->getWhiteZ());
+    writePS(" /BlackPoint [%g %g %g]\n",
+	    calGrayCS->getBlackX(), calGrayCS->getBlackY(),
+	    calGrayCS->getBlackZ());
+    writePS(">>]");
+    processColors |= psProcessBlack;
+    break;
+
+  case csDeviceRGB:
+    writePS("/DeviceRGB");
+    processColors |= psProcessCMYK;
+    break;
+
+  case csCalRGB:
+    calRGBCS = (GfxCalRGBColorSpace *)colorSpace;
+    writePS("[/CIEBasedABC <<\n");
+    writePS(" /DecodeABC [{%g exp} bind {%g exp} bind {%g exp} bind]\n",
+	    calRGBCS->getGammaR(), calRGBCS->getGammaG(),
+	    calRGBCS->getGammaB());
+    writePS(" /MatrixABC [%g %g %g %g %g %g %g %g %g]\n",
+	    calRGBCS->getMatrix()[0], calRGBCS->getMatrix()[1],
+	    calRGBCS->getMatrix()[2], calRGBCS->getMatrix()[3],
+	    calRGBCS->getMatrix()[4], calRGBCS->getMatrix()[5],
+	    calRGBCS->getMatrix()[6], calRGBCS->getMatrix()[7],
+	    calRGBCS->getMatrix()[8]);
+    writePS(" /WhitePoint [%g %g %g]\n",
+	    calRGBCS->getWhiteX(), calRGBCS->getWhiteY(),
+	    calRGBCS->getWhiteZ());
+    writePS(" /BlackPoint [%g %g %g]\n",
+	    calRGBCS->getBlackX(), calRGBCS->getBlackY(),
+	    calRGBCS->getBlackZ());
+    writePS(">>]");
+    processColors |= psProcessCMYK;
+    break;
+
+  case csDeviceCMYK:
+    writePS("/DeviceCMYK");
+    processColors |= psProcessCMYK;
+    break;
+
+  case csLab:
+    labCS = (GfxLabColorSpace *)colorSpace;
+    writePS("[/CIEBasedABC <<\n");
+    writePS(" /RangeABC [0 100 %g %g %g %g]\n",
+	    labCS->getAMin(), labCS->getAMax(),
+	    labCS->getBMin(), labCS->getBMax());
+    writePS(" /DecodeABC [{16 add 116 div} bind {500 div} bind {200 div} bind]\n");
+    writePS(" /MatrixABC [1 1 1 1 0 0 0 0 -1]\n");
+    writePS(" /DecodeLMN\n");
+    writePS("   [{dup 6 29 div ge {dup dup mul mul}\n");
+    writePS("     {4 29 div sub 108 841 div mul } ifelse %g mul} bind\n",
+	    labCS->getWhiteX());
+    writePS("    {dup 6 29 div ge {dup dup mul mul}\n");
+    writePS("     {4 29 div sub 108 841 div mul } ifelse %g mul} bind\n",
+	    labCS->getWhiteY());
+    writePS("    {dup 6 29 div ge {dup dup mul mul}\n");
+    writePS("     {4 29 div sub 108 841 div mul } ifelse %g mul} bind]\n",
+	    labCS->getWhiteZ());
+    writePS(" /WhitePoint [%g %g %g]\n",
+	    labCS->getWhiteX(), labCS->getWhiteY(), labCS->getWhiteZ());
+    writePS(" /BlackPoint [%g %g %g]\n",
+	    labCS->getBlackX(), labCS->getBlackY(), labCS->getBlackZ());
+    writePS(">>]");
+    processColors |= psProcessCMYK;
+    break;
+
+  case csICCBased:
+    dumpColorSpaceL2(((GfxICCBasedColorSpace *)colorSpace)->getAlt());
+    break;
+
+  case csIndexed:
+    indexedCS = (GfxIndexedColorSpace *)colorSpace;
+    writePS("[/Indexed ");
+    dumpColorSpaceL2(indexedCS->getBase());
+    n = indexedCS->getIndexHigh();
+    numComps = indexedCS->getBase()->getNComps();
+    lookup = indexedCS->getLookup();
+    writePS(" %d <\n", n);
+    for (i = 0; i <= n; i += 8) {
+      writePS("  ");
+      for (j = i; j < i+8 && j <= n; ++j) {
+	for (k = 0; k < numComps; ++k) {
+	  writePS("%02x", lookup[j * numComps + k]);
+	}
+	color.c[0] = j;
+	indexedCS->getCMYK(&color, &cmyk);
+	addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
+      }
+      writePS("\n");
+    }
+    writePS(">]");
+    break;
+
+  case csSeparation:
+    //~ this is a kludge -- the correct thing would to ouput a
+    //~ separation color space, with the specified alternate color
+    //~ space and tint transform
+    separationCS = (GfxSeparationColorSpace *)colorSpace;
+    writePS("[/Indexed ");
+    dumpColorSpaceL2(separationCS->getAlt());
+    writePS(" 255 <\n");
+    numComps = separationCS->getAlt()->getNComps();
+    for (i = 0; i <= 255; i += 8) {
+      writePS("  ");
+      for (j = i; j < i+8 && j <= 255; ++j) {
+	x[0] = (double)j / 255.0;
+	separationCS->getFunc()->transform(x, y);
+	for (k = 0; k < numComps; ++k) {
+	  writePS("%02x", (int)(255 * y[k] + 0.5));
+	}
+      }
+      writePS("\n");
+    }
+    writePS(">]");
+    addCustomColor(separationCS);
+    break;
+
+  case csDeviceN:
+    // DeviceN color spaces are a Level 3 PostScript feature.
+    dumpColorSpaceL2(((GfxDeviceNColorSpace *)colorSpace)->getAlt());
+    break;
+
+  case csPattern:
+    //~ unimplemented
+    break;
+
+  }
+}
+
+#if OPI_SUPPORT
+void PSOutputDev::opiBegin(GfxState *state, Dict *opiDict) {
+  Object dict;
+
+  if (doOPI) {
+    opiDict->lookup("2.0", &dict);
+    if (dict.isDict()) {
+      opiBegin20(state, dict.getDict());
+      dict.free();
+    } else {
+      dict.free();
+      opiDict->lookup("1.3", &dict);
+      if (dict.isDict()) {
+	opiBegin13(state, dict.getDict());
+      }
+      dict.free();
+    }
+  }
+}
+
+void PSOutputDev::opiBegin20(GfxState *state, Dict *dict) {
+  Object obj1, obj2, obj3, obj4;
+  double width, height, left, right, top, bottom;
+  int w, h;
+  int i;
+
+  writePS("%%%%BeginOPI: 2.0\n");
+  writePS("%%%%Distilled\n");
+
+  dict->lookup("F", &obj1);
+  if (getFileSpec(&obj1, &obj2)) {
+    writePS("%%%%ImageFileName: %s\n",
+	    obj2.getString()->getCString());
+    obj2.free();
+  }
+  obj1.free();
+
+  dict->lookup("MainImage", &obj1);
+  if (obj1.isString()) {
+    writePS("%%%%MainImage: %s\n", obj1.getString()->getCString());
+  }
+  obj1.free();
+
+  //~ ignoring 'Tags' entry
+  //~ need to use writePSString() and deal with >255-char lines
+
+  dict->lookup("Size", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
+    obj1.arrayGet(0, &obj2);
+    width = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    height = obj2.getNum();
+    obj2.free();
+    writePS("%%%%ImageDimensions: %g %g\n", width, height);
+  }
+  obj1.free();
+
+  dict->lookup("CropRect", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 4) {
+    obj1.arrayGet(0, &obj2);
+    left = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    top = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    right = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    bottom = obj2.getNum();
+    obj2.free();
+    writePS("%%%%ImageCropRect: %g %g %g %g\n", left, top, right, bottom);
+  }
+  obj1.free();
+
+  dict->lookup("Overprint", &obj1);
+  if (obj1.isBool()) {
+    writePS("%%%%ImageOverprint: %s\n", obj1.getBool() ? "true" : "false");
+  }
+  obj1.free();
+
+  dict->lookup("Inks", &obj1);
+  if (obj1.isName()) {
+    writePS("%%%%ImageInks: %s\n", obj1.getName());
+  } else if (obj1.isArray() && obj1.arrayGetLength() >= 1) {
+    obj1.arrayGet(0, &obj2);
+    if (obj2.isName()) {
+      writePS("%%%%ImageInks: %s %d",
+	      obj2.getName(), (obj1.arrayGetLength() - 1) / 2);
+      for (i = 1; i+1 < obj1.arrayGetLength(); i += 2) {
+	obj1.arrayGet(i, &obj3);
+	obj1.arrayGet(i+1, &obj4);
+	if (obj3.isString() && obj4.isNum()) {
+	  writePS(" ");
+	  writePSString(obj3.getString());
+	  writePS(" %g", obj4.getNum());
+	}
+	obj3.free();
+	obj4.free();
+      }
+      writePS("\n");
+    }
+    obj2.free();
+  }
+  obj1.free();
+
+  writePS("gsave\n");
+
+  writePS("%%%%BeginIncludedImage\n");
+
+  dict->lookup("IncludedImageDimensions", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
+    obj1.arrayGet(0, &obj2);
+    w = obj2.getInt();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    h = obj2.getInt();
+    obj2.free();
+    writePS("%%%%IncludedImageDimensions: %d %d\n", w, h);
+  }
+  obj1.free();
+
+  dict->lookup("IncludedImageQuality", &obj1);
+  if (obj1.isNum()) {
+    writePS("%%%%IncludedImageQuality: %g\n", obj1.getNum());
+  }
+  obj1.free();
+
+  ++opi20Nest;
+}
+
+void PSOutputDev::opiBegin13(GfxState *state, Dict *dict) {
+  Object obj1, obj2;
+  int left, right, top, bottom, samples, bits, width, height;
+  double c, m, y, k;
+  double llx, lly, ulx, uly, urx, ury, lrx, lry;
+  double tllx, tlly, tulx, tuly, turx, tury, tlrx, tlry;
+  double horiz, vert;
+  int i, j;
+
+  writePS("save\n");
+  writePS("/opiMatrix2 matrix currentmatrix def\n");
+  writePS("opiMatrix setmatrix\n");
+
+  dict->lookup("F", &obj1);
+  if (getFileSpec(&obj1, &obj2)) {
+    writePS("%%ALDImageFileName: %s\n",
+	    obj2.getString()->getCString());
+    obj2.free();
+  }
+  obj1.free();
+
+  dict->lookup("CropRect", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 4) {
+    obj1.arrayGet(0, &obj2);
+    left = obj2.getInt();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    top = obj2.getInt();
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    right = obj2.getInt();
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    bottom = obj2.getInt();
+    obj2.free();
+    writePS("%%ALDImageCropRect: %d %d %d %d\n", left, top, right, bottom);
+  }
+  obj1.free();
+
+  dict->lookup("Color", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 5) {
+    obj1.arrayGet(0, &obj2);
+    c = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    m = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    y = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    k = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(4, &obj2);
+    if (obj2.isString()) {
+      writePS("%%ALDImageColor: %g %g %g %g ", c, m, y, k);
+      writePSString(obj2.getString());
+      writePS("\n");
+    }
+    obj2.free();
+  }
+  obj1.free();
+
+  dict->lookup("ColorType", &obj1);
+  if (obj1.isName()) {
+    writePS("%%ALDImageColorType: %s\n", obj1.getName());
+  }
+  obj1.free();
+
+  //~ ignores 'Comments' entry
+  //~ need to handle multiple lines
+
+  dict->lookup("CropFixed", &obj1);
+  if (obj1.isArray()) {
+    obj1.arrayGet(0, &obj2);
+    ulx = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    uly = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    lrx = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    lry = obj2.getNum();
+    obj2.free();
+    writePS("%%ALDImageCropFixed: %g %g %g %g\n", ulx, uly, lrx, lry);
+  }
+  obj1.free();
+
+  dict->lookup("GrayMap", &obj1);
+  if (obj1.isArray()) {
+    writePS("%%ALDImageGrayMap:");
+    for (i = 0; i < obj1.arrayGetLength(); i += 16) {
+      if (i > 0) {
+	writePS("\n%%%%+");
+      }
+      for (j = 0; j < 16 && i+j < obj1.arrayGetLength(); ++j) {
+	obj1.arrayGet(i+j, &obj2);
+	writePS(" %d", obj2.getInt());
+	obj2.free();
+      }
+    }
+    writePS("\n");
+  }
+  obj1.free();
+
+  dict->lookup("ID", &obj1);
+  if (obj1.isString()) {
+    writePS("%%ALDImageID: %s\n", obj1.getString()->getCString());
+  }
+  obj1.free();
+
+  dict->lookup("ImageType", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
+    obj1.arrayGet(0, &obj2);
+    samples = obj2.getInt();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    bits = obj2.getInt();
+    obj2.free();
+    writePS("%%ALDImageType: %d %d\n", samples, bits);
+  }
+  obj1.free();
+
+  dict->lookup("Overprint", &obj1);
+  if (obj1.isBool()) {
+    writePS("%%ALDImageOverprint: %s\n", obj1.getBool() ? "true" : "false");
+  }
+  obj1.free();
+
+  dict->lookup("Position", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 8) {
+    obj1.arrayGet(0, &obj2);
+    llx = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    lly = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    ulx = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    uly = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(4, &obj2);
+    urx = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(5, &obj2);
+    ury = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(6, &obj2);
+    lrx = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(7, &obj2);
+    lry = obj2.getNum();
+    obj2.free();
+    opiTransform(state, llx, lly, &tllx, &tlly);
+    opiTransform(state, ulx, uly, &tulx, &tuly);
+    opiTransform(state, urx, ury, &turx, &tury);
+    opiTransform(state, lrx, lry, &tlrx, &tlry);
+    writePS("%%ALDImagePosition: %g %g %g %g %g %g %g %g\n",
+	    tllx, tlly, tulx, tuly, turx, tury, tlrx, tlry);
+    obj2.free();
+  }
+  obj1.free();
+
+  dict->lookup("Resolution", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
+    obj1.arrayGet(0, &obj2);
+    horiz = obj2.getNum();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    vert = obj2.getNum();
+    obj2.free();
+    writePS("%%ALDImageResoution: %g %g\n", horiz, vert);
+    obj2.free();
+  }
+  obj1.free();
+
+  dict->lookup("Size", &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
+    obj1.arrayGet(0, &obj2);
+    width = obj2.getInt();
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    height = obj2.getInt();
+    obj2.free();
+    writePS("%%ALDImageDimensions: %d %d\n", width, height);
+  }
+  obj1.free();
+
+  //~ ignoring 'Tags' entry
+  //~ need to use writePSString() and deal with >255-char lines
+
+  dict->lookup("Tint", &obj1);
+  if (obj1.isNum()) {
+    writePS("%%ALDImageTint: %g\n", obj1.getNum());
+  }
+  obj1.free();
+
+  dict->lookup("Transparency", &obj1);
+  if (obj1.isBool()) {
+    writePS("%%ALDImageTransparency: %s\n", obj1.getBool() ? "true" : "false");
+  }
+  obj1.free();
+
+  writePS("%%%%BeginObject: image\n");
+  writePS("opiMatrix2 setmatrix\n");
+  ++opi13Nest;
+}
+
+// Convert PDF user space coordinates to PostScript default user space
+// coordinates.  This has to account for both the PDF CTM and the
+// PSOutputDev page-fitting transform.
+void PSOutputDev::opiTransform(GfxState *state, double x0, double y0,
+			       double *x1, double *y1) {
+  double t;
+
+  state->transform(x0, y0, x1, y1);
+  *x1 += tx;
+  *y1 += ty;
+  if (landscape) {
+    t = *x1;
+    *x1 = -*y1;
+    *y1 = t;
+  }
+  *x1 *= xScale;
+  *y1 *= yScale;
+}
+
+void PSOutputDev::opiEnd(GfxState *state, Dict *opiDict) {
+  Object dict;
+
+  if (doOPI) {
+    opiDict->lookup("2.0", &dict);
+    if (dict.isDict()) {
+      writePS("%%%%EndIncludedImage\n");
+      writePS("%%%%EndOPI\n");
+      writePS("grestore\n");
+      --opi20Nest;
+      dict.free();
+    } else {
+      dict.free();
+      opiDict->lookup("1.3", &dict);
+      if (dict.isDict()) {
+	writePS("%%%%EndObject\n");
+	writePS("restore\n");
+	--opi13Nest;
+      }
+      dict.free();
+    }
+  }
+}
+
+GBool PSOutputDev::getFileSpec(Object *fileSpec, Object *fileName) {
+  if (fileSpec->isString()) {
+    fileSpec->copy(fileName);
+    return gTrue;
+  }
+  if (fileSpec->isDict()) {
+    fileSpec->dictLookup("DOS", fileName);
+    if (fileName->isString()) {
+      return gTrue;
+    }
+    fileName->free();
+    fileSpec->dictLookup("Mac", fileName);
+    if (fileName->isString()) {
+      return gTrue;
+    }
+    fileName->free();
+    fileSpec->dictLookup("Unix", fileName);
+    if (fileName->isString()) {
+      return gTrue;
+    }
+    fileName->free();
+    fileSpec->dictLookup("F", fileName);
+    if (fileName->isString()) {
+      return gTrue;
+    }
+    fileName->free();
+  }
+  return gFalse;
+}
+#endif // OPI_SUPPORT
+
+void PSOutputDev::writePS(const char *fmt, ...) {
+  va_list args;
+
+  va_start(args, fmt);
+  vfprintf(f, fmt, args);
+  va_end(args);
+}
+
+void PSOutputDev::writePSString(GString *s) {
+  Guchar *p;
+  int n;
+
+  fputc('(', f);
+  for (p = (Guchar *)s->getCString(), n = s->getLength(); n; ++p, --n) {
+    if (*p == '(' || *p == ')' || *p == '\\')
+      fprintf(f, "\\%c", *p);
+    else if (*p < 0x20 || *p >= 0x80)
+      fprintf(f, "\\%03o", *p);
+    else
+      fputc(*p, f);
+  }
+  fputc(')', f);
+}
diff --git a/pdftops/PSOutputDev.h b/pdftops/PSOutputDev.h
new file mode 100644
index 000000000..81279be4a
--- /dev/null
+++ b/pdftops/PSOutputDev.h
@@ -0,0 +1,215 @@
+//========================================================================
+//
+// PSOutputDev.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef PSOUTPUTDEV_H
+#define PSOUTPUTDEV_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stddef.h>
+#include "config.h"
+#include "Object.h"
+#include "OutputDev.h"
+
+class GfxPath;
+class GfxFont;
+class GfxColorSpace;
+class GfxSeparationColorSpace;
+class PSOutCustomColor;
+
+//------------------------------------------------------------------------
+// PSOutputDev
+//------------------------------------------------------------------------
+
+enum PSOutLevel {
+  psLevel1,
+  psLevel1Sep,
+  psLevel2,
+  psLevel2Sep
+};
+
+enum PSOutMode {
+  psModePS,
+  psModeEPS,
+  psModeForm
+};
+
+enum PSFileType {
+  psFile,			// write to file
+  psPipe,			// write to pipe
+  psStdout			// write to stdout
+};
+
+class PSOutputDev: public OutputDev {
+public:
+
+  // Open a PostScript output file, and write the prolog.
+  PSOutputDev(char *fileName, XRef *xrefA, Catalog *catalog,
+	      int firstPage, int lastPage,
+	      PSOutLevel levelA, PSOutMode modeA, GBool doOPIA,
+	      GBool embedType1A, GBool embedTrueTypeA,
+	      int paperWidthA, int paperHeightA);
+
+  // Destructor -- writes the trailer and closes the file.
+  virtual ~PSOutputDev();
+
+  // Check if file was successfully created.
+  virtual GBool isOk() { return ok; }
+
+  //---- get info about output device
+
+  // Does this device use upside-down coordinates?
+  // (Upside-down means (0,0) is the top left corner of the page.)
+  virtual GBool upsideDown() { return gFalse; }
+
+  // Does this device use drawChar() or drawString()?
+  virtual GBool useDrawChar() { return gFalse; }
+
+  //----- initialization and control
+
+  // Start a page.
+  virtual void startPage(int pageNum, GfxState *state);
+
+  // End a page.
+  virtual void endPage();
+
+  //----- save/restore graphics state
+  virtual void saveState(GfxState *state);
+  virtual void restoreState(GfxState *state);
+
+  //----- update graphics state
+  virtual void updateCTM(GfxState *state, double m11, double m12,
+			 double m21, double m22, double m31, double m32);
+  virtual void updateLineDash(GfxState *state);
+  virtual void updateFlatness(GfxState *state);
+  virtual void updateLineJoin(GfxState *state);
+  virtual void updateLineCap(GfxState *state);
+  virtual void updateMiterLimit(GfxState *state);
+  virtual void updateLineWidth(GfxState *state);
+  virtual void updateFillColor(GfxState *state);
+  virtual void updateStrokeColor(GfxState *state);
+
+  //----- update text state
+  virtual void updateFont(GfxState *state);
+  virtual void updateTextMat(GfxState *state);
+  virtual void updateCharSpace(GfxState *state);
+  virtual void updateRender(GfxState *state);
+  virtual void updateRise(GfxState *state);
+  virtual void updateWordSpace(GfxState *state);
+  virtual void updateHorizScaling(GfxState *state);
+  virtual void updateTextPos(GfxState *state);
+  virtual void updateTextShift(GfxState *state, double shift);
+
+  //----- path painting
+  virtual void stroke(GfxState *state);
+  virtual void fill(GfxState *state);
+  virtual void eoFill(GfxState *state);
+
+  //----- path clipping
+  virtual void clip(GfxState *state);
+  virtual void eoClip(GfxState *state);
+
+  //----- text drawing
+  virtual void drawString(GfxState *state, GString *s);
+  virtual void drawString16(GfxState *state, GString *s);
+
+  //----- image drawing
+  virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
+			     int width, int height, GBool invert,
+			     GBool inlineImg);
+  virtual void drawImage(GfxState *state, Object *ref, Stream *str,
+			 int width, int height, GfxImageColorMap *colorMap,
+			 int *maskColors, GBool inlineImg);
+
+#if OPI_SUPPORT
+  //----- OPI functions
+  virtual void opiBegin(GfxState *state, Dict *opiDict);
+  virtual void opiEnd(GfxState *state, Dict *opiDict);
+#endif
+
+private:
+
+  void setupResources(Dict *resDict);
+  void setupFonts(Dict *resDict);
+  void setupFont(GfxFont *font);
+  void setupEmbeddedType1Font(Ref *id, char *psName);
+  void setupEmbeddedType1Font(GString *fileName, char *psName);
+  void setupEmbeddedType1CFont(GfxFont *font, Ref *id, char *psName);
+  void setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, char *psName);
+  void setupImages(Dict *resDict);
+  void setupImage(Ref id, Stream *str);
+  void addProcessColor(double c, double m, double y, double k);
+  void addCustomColor(GfxSeparationColorSpace *sepCS);
+  void doPath(GfxPath *path);
+  void doImageL1(GfxImageColorMap *colorMap,
+		 GBool invert, GBool inlineImg,
+		 Stream *str, int width, int height, int len);
+  void doImageL1Sep(GfxImageColorMap *colorMap,
+		    GBool invert, GBool inlineImg,
+		    Stream *str, int width, int height, int len);
+  void doImageL2(Object *ref, GfxImageColorMap *colorMap,
+		 GBool invert, GBool inlineImg,
+		 Stream *str, int width, int height, int len);
+  void dumpColorSpaceL2(GfxColorSpace *colorSpace);
+#if OPI_SUPPORT
+  void opiBegin20(GfxState *state, Dict *dict);
+  void opiBegin13(GfxState *state, Dict *dict);
+  void opiTransform(GfxState *state, double x0, double y0,
+		    double *x1, double *y1);
+  GBool getFileSpec(Object *fileSpec, Object *fileName);
+#endif
+  void writePS(const char *fmt, ...);
+  void writePSString(GString *s);
+
+  PSOutLevel level;		// PostScript level (1, 2, separation)
+  PSOutMode mode;		// PostScript mode (PS, EPS, form)
+  GBool doOPI;			// generate OPI comments?
+  GBool embedType1;		// embed Type 1 fonts?
+  GBool embedTrueType;		// embed TrueType fonts?
+  int paperWidth;		// width of paper, in pts
+  int paperHeight;		// height of paper, in pts
+
+  FILE *f;			// PostScript file
+  PSFileType fileType;		// file / pipe / stdout
+  int seqPage;			// current sequential page number
+
+  XRef *xref;			// the xref table for this PDF file
+
+  Ref *fontIDs;			// list of object IDs of all used fonts
+  int fontIDLen;		// number of entries in fontIDs array
+  int fontIDSize;		// size of fontIDs array
+  Ref *fontFileIDs;		// list of object IDs of all embedded fonts
+  int fontFileIDLen;		// number of entries in fontFileIDs array
+  int fontFileIDSize;		// size of fontFileIDs array
+  GString **fontFileNames;	// list of names of all embedded external fonts
+  int fontFileNameLen;		// number of entries in fontFileNames array
+  int fontFileNameSize;		// size of fontFileNames array
+
+  double tx, ty;		// global translation
+  double xScale, yScale;	// global scaling
+  GBool landscape;		// true for landscape, false for portrait
+
+  GString *embFontList;		// resource comments for embedded fonts
+
+  int processColors;		// used process colors
+  PSOutCustomColor		// used custom colors
+    *customColors;
+
+#if OPI_SUPPORT
+  int opi13Nest;		// nesting level of OPI 1.3 objects
+  int opi20Nest;		// nesting level of OPI 2.0 objects
+#endif
+
+  GBool type3Warning;		// only show the Type 3 font warning once
+
+  GBool ok;			// set up ok?
+};
+
+#endif
diff --git a/pdftops/Page.cxx b/pdftops/Page.cxx
new file mode 100644
index 000000000..975fcf1b6
--- /dev/null
+++ b/pdftops/Page.cxx
@@ -0,0 +1,268 @@
+//========================================================================
+//
+// Page.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include "Object.h"
+#include "Array.h"
+#include "Dict.h"
+#include "XRef.h"
+#include "Link.h"
+#include "OutputDev.h"
+#ifndef PDF_PARSER_ONLY
+#include "Gfx.h"
+#include "FormWidget.h"
+#endif
+#include "Error.h"
+
+#include "Params.h"
+#include "Page.h"
+
+//------------------------------------------------------------------------
+// PageAttrs
+//------------------------------------------------------------------------
+
+PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) {
+  Object obj1;
+  double w, h;
+
+  // get old/default values
+  if (attrs) {
+    mediaBox = attrs->mediaBox;
+    cropBox = attrs->cropBox;
+    haveCropBox = attrs->haveCropBox;
+    rotate = attrs->rotate;
+    attrs->resources.copy(&resources);
+  } else {
+    // set default MediaBox to 8.5" x 11" -- this shouldn't be necessary
+    // but some (non-compliant) PDF files don't specify a MediaBox
+    mediaBox.x1 = 0;
+    mediaBox.y1 = 0;
+    mediaBox.x2 = 612;
+    mediaBox.y2 = 792;
+    cropBox.x1 = cropBox.y1 = cropBox.x2 = cropBox.y2 = 0;
+    haveCropBox = gFalse;
+    rotate = 0;
+    resources.initNull();
+  }
+
+  // media box
+  readBox(dict, "MediaBox", &mediaBox);
+
+  // crop box
+  cropBox = mediaBox;
+  haveCropBox = readBox(dict, "CropBox", &cropBox);
+
+  // if the MediaBox is excessively larger than the CropBox,
+  // just use the CropBox
+  limitToCropBox = gFalse;
+  if (haveCropBox) {
+    w = 0.25 * (cropBox.x2 - cropBox.x1);
+    h = 0.25 * (cropBox.y2 - cropBox.y1);
+    if ((cropBox.x1 - mediaBox.x1) + (mediaBox.x2 - cropBox.x2) > w ||
+	(cropBox.y1 - mediaBox.y1) + (mediaBox.y2 - cropBox.y2) > h) {
+      limitToCropBox = gTrue;
+    }
+  }
+
+  // other boxes
+  bleedBox = cropBox;
+  readBox(dict, "BleedBox", &bleedBox);
+  trimBox = cropBox;
+  readBox(dict, "TrimBox", &trimBox);
+  artBox = cropBox;
+  readBox(dict, "ArtBox", &artBox);
+
+  // rotate
+  dict->lookup("Rotate", &obj1);
+  if (obj1.isInt()) {
+    rotate = obj1.getInt();
+  }
+  obj1.free();
+  while (rotate < 0) {
+    rotate += 360;
+  }
+  while (rotate >= 360) {
+    rotate -= 360;
+  }
+
+  // resource dictionary
+  dict->lookup("Resources", &obj1);
+  if (obj1.isDict()) {
+    resources.free();
+    obj1.copy(&resources);
+  }
+  obj1.free();
+}
+
+PageAttrs::~PageAttrs() {
+  resources.free();
+}
+
+GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) {
+  PDFRectangle tmp;
+  Object obj1, obj2;
+  GBool ok;
+
+  dict->lookup(key, &obj1);
+  if (obj1.isArray() && obj1.arrayGetLength() == 4) {
+    ok = gTrue;
+    obj1.arrayGet(0, &obj2);
+    if (obj2.isNum()) {
+      tmp.x1 = obj2.getNum();
+    } else {
+      ok = gFalse;
+    }
+    obj2.free();
+    obj1.arrayGet(1, &obj2);
+    if (obj2.isNum()) {
+      tmp.y1 = obj2.getNum();
+    } else {
+      ok = gFalse;
+    }
+    obj2.free();
+    obj1.arrayGet(2, &obj2);
+    if (obj2.isNum()) {
+      tmp.x2 = obj2.getNum();
+    } else {
+      ok = gFalse;
+    }
+    obj2.free();
+    obj1.arrayGet(3, &obj2);
+    if (obj2.isNum()) {
+      tmp.y2 = obj2.getNum();
+    } else {
+      ok = gFalse;
+    }
+    obj2.free();
+    if (ok) {
+      *box = tmp;
+    }
+  } else {
+    ok = gFalse;
+  }
+  obj1.free();
+  return ok;
+}
+
+//------------------------------------------------------------------------
+// Page
+//------------------------------------------------------------------------
+
+Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA,
+	   GBool printCommandsA) {
+
+  ok = gTrue;
+  xref = xrefA;
+  num = numA;
+  printCommands = printCommandsA;
+
+  // get attributes
+  attrs = attrsA;
+
+  // annotations
+  pageDict->lookupNF("Annots", &annots);
+  if (!(annots.isRef() || annots.isArray() || annots.isNull())) {
+    error(-1, "Page annotations object (page %d) is wrong type (%s)",
+	  num, annots.getTypeName());
+    annots.free();
+    goto err2;
+  }
+
+  // contents
+  pageDict->lookupNF("Contents", &contents);
+  if (!(contents.isRef() || contents.isArray() ||
+	contents.isNull())) {
+    error(-1, "Page contents object (page %d) is wrong type (%s)",
+	  num, contents.getTypeName());
+    contents.free();
+    goto err1;
+  }
+
+  return;
+
+ err2:
+  annots.initNull();
+ err1:
+  contents.initNull();
+  ok = gFalse;
+}
+
+Page::~Page() {
+  delete attrs;
+  annots.free();
+  contents.free();
+}
+
+void Page::display(OutputDev *out, double dpi, int rotate,
+		   Links *links, Catalog *catalog) {
+#ifndef PDF_PARSER_ONLY
+  PDFRectangle *box, *cropBox;
+  Gfx *gfx;
+  Object obj;
+  Link *link;
+  int i;
+  FormWidgets *formWidgets;
+
+  box = getBox();
+  cropBox = getCropBox();
+
+  if (printCommands) {
+    printf("***** MediaBox = ll:%g,%g ur:%g,%g\n",
+	   box->x1, box->y1, box->x2, box->y2);
+    if (isCropped()) {
+      printf("***** CropBox = ll:%g,%g ur:%g,%g\n",
+	     cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2);
+    }
+    printf("***** Rotate = %d\n", attrs->getRotate());
+  }
+
+  rotate += getRotate();
+  if (rotate >= 360) {
+    rotate -= 360;
+  } else if (rotate < 0) {
+    rotate += 360;
+  }
+  gfx = new Gfx(xref, out, num, attrs->getResourceDict(),
+		dpi, box, isCropped(), cropBox, rotate, printCommands);
+  contents.fetch(xref, &obj);
+  if (!obj.isNull()) {
+    gfx->display(&obj);
+  }
+  obj.free();
+
+  // draw links
+  if (links) {
+    for (i = 0; i < links->getNumLinks(); ++i) {
+      link = links->getLink(i);
+      out->drawLink(link, catalog);
+    }
+    out->dump();
+  }
+
+  // draw AcroForm widgets
+  //~ need to reset CTM ???
+  formWidgets = new FormWidgets(xref, annots.fetch(xref, &obj));
+  obj.free();
+  if (printCommands && formWidgets->getNumWidgets() > 0) {
+    printf("***** AcroForm widgets\n");
+  }
+  for (i = 0; i < formWidgets->getNumWidgets(); ++i) {
+    formWidgets->getWidget(i)->draw(gfx);
+  }
+  if (formWidgets->getNumWidgets() > 0) {
+    out->dump();
+  }
+  delete formWidgets;
+
+  delete gfx;
+#endif
+}
diff --git a/pdftops/Page.h b/pdftops/Page.h
new file mode 100644
index 000000000..a40974cfc
--- /dev/null
+++ b/pdftops/Page.h
@@ -0,0 +1,125 @@
+//========================================================================
+//
+// Page.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef PAGE_H
+#define PAGE_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "Object.h"
+
+class Dict;
+class XRef;
+class OutputDev;
+class Links;
+class Catalog;
+
+//------------------------------------------------------------------------
+
+struct PDFRectangle {
+  double x1, y1, x2, y2;
+};
+
+//------------------------------------------------------------------------
+// PageAttrs
+//------------------------------------------------------------------------
+
+class PageAttrs {
+public:
+
+  // Construct a new PageAttrs object by merging a dictionary
+  // (of type Pages or Page) into another PageAttrs object.  If
+  // <attrs> is NULL, uses defaults.
+  PageAttrs(PageAttrs *attrs, Dict *dict);
+
+  // Destructor.
+  ~PageAttrs();
+
+  // Accessors.
+  PDFRectangle *getBox() { return limitToCropBox ? &cropBox : &mediaBox; }
+  PDFRectangle *getMediaBox() { return &mediaBox; }
+  PDFRectangle *getCropBox() { return &cropBox; }
+  GBool isCropped() { return haveCropBox; }
+  PDFRectangle *getBleedBox() { return &bleedBox; }
+  PDFRectangle *getTrimBox() { return &trimBox; }
+  PDFRectangle *getArtBox() { return &artBox; }
+  int getRotate() { return rotate; }
+  Dict *getResourceDict()
+    { return resources.isDict() ? resources.getDict() : (Dict *)NULL; }
+
+private:
+
+  GBool readBox(Dict *dict, char *key, PDFRectangle *box);
+
+  PDFRectangle mediaBox;
+  PDFRectangle cropBox;
+  GBool haveCropBox;
+  GBool limitToCropBox;
+  PDFRectangle bleedBox;
+  PDFRectangle trimBox;
+  PDFRectangle artBox;
+  int rotate;
+  Object resources;
+};
+
+//------------------------------------------------------------------------
+// Page
+//------------------------------------------------------------------------
+
+class Page {
+public:
+
+  // Constructor.
+  Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA,
+       GBool printCommandsA);
+
+  // Destructor.
+  ~Page();
+
+  // Is page valid?
+  GBool isOk() { return ok; }
+
+  // Get page parameters.
+  PDFRectangle *getBox() { return attrs->getBox(); }
+  PDFRectangle *getMediaBox() { return attrs->getMediaBox(); }
+  PDFRectangle *getCropBox() { return attrs->getCropBox(); }
+  GBool isCropped() { return attrs->isCropped(); }
+  double getWidth() { return attrs->getBox()->x2 - attrs->getBox()->x1; }
+  double getHeight() { return attrs->getBox()->y2 - attrs->getBox()->y1; }
+  PDFRectangle *getBleedBox() { return attrs->getBleedBox(); }
+  PDFRectangle *getTrimBox() { return attrs->getTrimBox(); }
+  PDFRectangle *getArtBox() { return attrs->getArtBox(); }
+  int getRotate() { return attrs->getRotate(); }
+
+  // Get resource dictionary.
+  Dict *getResourceDict() { return attrs->getResourceDict(); }
+
+  // Get annotations array.
+  Object *getAnnots(Object *obj) { return annots.fetch(xref, obj); }
+
+  // Get contents.
+  Object *getContents(Object *obj) { return contents.fetch(xref, obj); }
+
+  // Display a page.
+  void display(OutputDev *out, double dpi, int rotate,
+	       Links *links, Catalog *catalog);
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  int num;			// page number
+  PageAttrs *attrs;		// page attributes
+  Object annots;		// annotations array
+  Object contents;		// page contents
+  GBool printCommands;		// print the drawing commands (for debugging)
+  GBool ok;			// true if page is valid
+};
+
+#endif
diff --git a/pdftops/Params.cxx b/pdftops/Params.cxx
new file mode 100644
index 000000000..8536da20d
--- /dev/null
+++ b/pdftops/Params.cxx
@@ -0,0 +1,90 @@
+//========================================================================
+//
+// Params.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include "gtypes.h"
+#include "gmem.h"
+#include "GString.h"
+#include "gfile.h"
+#include "Params.h"
+
+char **fontPath = NULL;
+static int fontPathLen, fontPathSize;
+
+DevFontMapEntry *devFontMap = NULL;
+static int devFontMapLen, devFontMapSize;
+
+void initParams(char *userConfigFile, char *sysConfigFile) {
+  GString *fileName;
+  FILE *f;
+  char buf[256];
+  char *p, *q;
+
+  // initialize font path and font map
+  fontPath = (char **)gmalloc((fontPathSize = 8) * sizeof(char *));
+  fontPath[fontPathLen = 0] = NULL;
+  devFontMap = (DevFontMapEntry *)gmalloc((devFontMapSize = 8) *
+					  sizeof(DevFontMapEntry));
+  devFontMap[devFontMapLen = 0].pdfFont = NULL;
+
+  // read config file
+  fileName = appendToPath(getHomeDir(), userConfigFile);
+  if (!(f = fopen(fileName->getCString(), "r"))) {
+    f = fopen(sysConfigFile, "r");
+  }
+  if (f) {
+    while (fgets(buf, sizeof(buf)-1, f)) {
+      buf[sizeof(buf)-1] = '\0';
+      p = strtok(buf, " \t\n\r");
+      if (p && !strcmp(p, "fontpath")) {
+	if (fontPathLen+1 >= fontPathSize)
+	  fontPath = (char **)
+	      grealloc(fontPath, (fontPathSize += 8) * sizeof(char *));
+	p = strtok(NULL, " \t\n\r");
+	fontPath[fontPathLen++] = copyString(p);
+      } else if (p && !strcmp(p, "fontmap")) {
+	if (devFontMapLen+1 >= devFontMapSize)
+	  devFontMap = (DevFontMapEntry *)
+	      grealloc(devFontMap,
+		       (devFontMapSize += 8) * sizeof(DevFontMapEntry));
+	p = strtok(NULL, " \t\n\r");
+	devFontMap[devFontMapLen].pdfFont = copyString(p);
+	p = strtok(NULL, "\t\n\r");
+	while (*p == ' ')
+	  ++p;
+	for (q = p + strlen(p) - 1; q >= p && *q == ' '; --q) ;
+	q[1] = '\0';
+	devFontMap[devFontMapLen++].devFont = copyString(p);
+      }
+    }
+    fclose(f);
+    fontPath[fontPathLen] = NULL;
+    devFontMap[devFontMapLen].pdfFont = NULL;
+  }
+  delete fileName;
+}
+
+void freeParams() {
+  int i;
+
+  if (fontPath) {
+    for (i = 0; i < fontPathLen; ++i)
+      gfree(fontPath[i]);
+    gfree(fontPath);
+  }
+  if (devFontMap) {
+    for (i = 0; i < devFontMapLen; ++i) {
+      gfree(devFontMap[i].pdfFont);
+      gfree(devFontMap[i].devFont);
+    }
+    gfree(devFontMap);
+  }
+}
diff --git a/pdftops/Params.h b/pdftops/Params.h
new file mode 100644
index 000000000..1d8ce3828
--- /dev/null
+++ b/pdftops/Params.h
@@ -0,0 +1,38 @@
+//========================================================================
+//
+// Params.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef PARAMS_H
+#define PARAMS_H
+
+#include "gtypes.h"
+
+// If this is set, error messages will be silently discarded.
+extern GBool errQuiet;
+
+// Font search path.
+extern char **fontPath;
+
+// Mapping from PDF font name to device font name.
+struct DevFontMapEntry {
+  char *pdfFont;
+  char *devFont;
+};
+extern DevFontMapEntry *devFontMap;
+
+//------------------------------------------------------------------------
+
+// Initialize font path and font map, and read configuration file.  If
+// <userConfigFile> exists, read it; else if <sysConfigFile> exists,
+// read it.  <userConfigFile> is relative to the user's home
+// directory; <sysConfigFile> should be an absolute path.
+extern void initParams(char *userConfigFile, char *sysConfigFile);
+
+// Free memory used for font path and font map.
+extern void freeParams();
+
+#endif
diff --git a/pdftops/Parser.cxx b/pdftops/Parser.cxx
new file mode 100644
index 000000000..57ba05061
--- /dev/null
+++ b/pdftops/Parser.cxx
@@ -0,0 +1,212 @@
+//========================================================================
+//
+// Parser.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stddef.h>
+#include "Object.h"
+#include "Array.h"
+#include "Dict.h"
+#include "Parser.h"
+#include "XRef.h"
+#include "Error.h"
+#ifndef NO_DECRYPTION
+#include "Decrypt.h"
+#endif
+
+Parser::Parser(XRef *xrefA, Lexer *lexerA) {
+  xref = xrefA;
+  lexer = lexerA;
+  inlineImg = 0;
+  lexer->getObj(&buf1);
+  lexer->getObj(&buf2);
+}
+
+Parser::~Parser() {
+  buf1.free();
+  buf2.free();
+  delete lexer;
+}
+
+#ifndef NO_DECRYPTION
+Object *Parser::getObj(Object *obj,
+		       Guchar *fileKey, int keyLength,
+		       int objNum, int objGen) {
+#else
+Object *Parser::getObj(Object *obj) {
+#endif
+  char *key;
+  Stream *str;
+  Object obj2;
+  int num;
+#ifndef NO_DECRYPTION
+  Decrypt *decrypt;
+  GString *s;
+  char *p;
+  int i;
+#endif
+
+  // refill buffer after inline image data
+  if (inlineImg == 2) {
+    buf1.free();
+    buf2.free();
+    lexer->getObj(&buf1);
+    lexer->getObj(&buf2);
+    inlineImg = 0;
+  }
+
+  // array
+  if (buf1.isCmd("[")) {
+    shift();
+    obj->initArray(xref);
+    while (!buf1.isCmd("]") && !buf1.isEOF())
+#ifndef NO_DECRYPTION
+      obj->arrayAdd(getObj(&obj2, fileKey, keyLength, objNum, objGen));
+#else
+      obj->arrayAdd(getObj(&obj2));
+#endif
+    if (buf1.isEOF())
+      error(getPos(), "End of file inside array");
+    shift();
+
+  // dictionary or stream
+  } else if (buf1.isCmd("<<")) {
+    shift();
+    obj->initDict(xref);
+    while (!buf1.isCmd(">>") && !buf1.isEOF()) {
+      if (!buf1.isName()) {
+	error(getPos(), "Dictionary key must be a name object");
+	shift();
+      } else {
+	key = copyString(buf1.getName());
+	shift();
+	if (buf1.isEOF() || buf1.isError())
+	  break;
+#ifndef NO_DECRYPTION
+	obj->dictAdd(key, getObj(&obj2, fileKey, keyLength, objNum, objGen));
+#else
+	obj->dictAdd(key, getObj(&obj2));
+#endif
+      }
+    }
+    if (buf1.isEOF())
+      error(getPos(), "End of file inside dictionary");
+    if (buf2.isCmd("stream")) {
+      if ((str = makeStream(obj))) {
+	obj->initStream(str);
+#ifndef NO_DECRYPTION
+	if (fileKey) {
+	  str->getBaseStream()->doDecryption(fileKey, keyLength,
+					     objNum, objGen);
+	}
+#endif
+      } else {
+	obj->free();
+	obj->initError();
+      }
+    } else {
+      shift();
+    }
+
+  // indirect reference or integer
+  } else if (buf1.isInt()) {
+    num = buf1.getInt();
+    shift();
+    if (buf1.isInt() && buf2.isCmd("R")) {
+      obj->initRef(num, buf1.getInt());
+      shift();
+      shift();
+    } else {
+      obj->initInt(num);
+    }
+
+#ifndef NO_DECRYPTION
+  // string
+  } else if (buf1.isString() && fileKey) {
+    buf1.copy(obj);
+    s = obj->getString();
+    decrypt = new Decrypt(fileKey, keyLength, objNum, objGen);
+    for (i = 0, p = obj->getString()->getCString();
+	 i < s->getLength();
+	 ++i, ++p) {
+      *p = decrypt->decryptByte(*p);
+    }
+    delete decrypt;
+    shift();
+#endif
+
+  // simple object
+  } else {
+    buf1.copy(obj);
+    shift();
+  }
+
+  return obj;
+}
+
+Stream *Parser::makeStream(Object *dict) {
+  Object obj;
+  Stream *str;
+  int pos, endPos, length;
+
+  // get stream start position
+  lexer->skipToNextLine();
+  pos = lexer->getPos();
+
+  // get length
+  dict->dictLookup("Length", &obj);
+  if (obj.isInt()) {
+    length = obj.getInt();
+    obj.free();
+  } else {
+    error(getPos(), "Bad 'Length' attribute in stream");
+    obj.free();
+    return NULL;
+  }
+
+  // check for length in damaged file
+  if ((endPos = xref->getStreamEnd(pos)) >= 0) {
+    length = endPos - pos;
+  }
+
+  // make base stream
+  str = lexer->getStream()->getBaseStream()->makeSubStream(pos, length, dict);
+
+  // get filters
+  str = str->addFilters(dict);
+
+  // skip over stream data
+  lexer->setPos(pos + length);
+
+  // refill token buffers and check for 'endstream'
+  shift();  // kill '>>'
+  shift();  // kill 'stream'
+  if (buf1.isCmd("endstream"))
+    shift();
+  else
+    error(getPos(), "Missing 'endstream'");
+
+  return str;
+}
+
+void Parser::shift() {
+  if (inlineImg > 0) {
+    ++inlineImg;
+  } else if (buf2.isCmd("ID")) {
+    lexer->skipChar();		// skip char after 'ID' command
+    inlineImg = 1;
+  }
+  buf1.free();
+  buf1 = buf2;
+  if (inlineImg > 0)		// don't buffer inline image data
+    buf2.initNull();
+  else
+    lexer->getObj(&buf2);
+}
diff --git a/pdftops/Parser.h b/pdftops/Parser.h
new file mode 100644
index 000000000..463d99827
--- /dev/null
+++ b/pdftops/Parser.h
@@ -0,0 +1,58 @@
+//========================================================================
+//
+// Parser.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef PARSER_H
+#define PARSER_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "Lexer.h"
+
+//------------------------------------------------------------------------
+// Parser
+//------------------------------------------------------------------------
+
+class Parser {
+public:
+
+  // Constructor.
+  Parser(XRef *xrefA, Lexer *lexerA);
+
+  // Destructor.
+  ~Parser();
+
+  // Get the next object from the input stream.
+#ifndef NO_DECRYPTION
+  Object *getObj(Object *obj,
+		 Guchar *fileKey = NULL, int keyLength = 0,
+		 int objNum = 0, int objGen = 0);
+#else
+  Object *getObj(Object *obj);
+#endif
+
+  // Get stream.
+  Stream *getStream() { return lexer->getStream(); }
+
+  // Get current position in file.
+  int getPos() { return lexer->getPos(); }
+
+private:
+
+  XRef *xref;			// the xref table for this PDF file
+  Lexer *lexer;			// input stream
+  Object buf1, buf2;		// next two tokens
+  int inlineImg;		// set when inline image data is encountered
+
+  Stream *makeStream(Object *dict);
+  void shift();
+};
+
+#endif
+
diff --git a/pdftops/README b/pdftops/README
new file mode 100644
index 000000000..4835a82f8
--- /dev/null
+++ b/pdftops/README
@@ -0,0 +1,426 @@
+Xpdf
+====
+
+version 0.93
+2001-oct-25
+
+The Xpdf software and documentation are
+copyright 1996-2001 Derek B. Noonburg.
+
+Email: derekn@foolabs.com
+WWW: http://www.foolabs.com/xpdf/
+
+The PDF data structures, operators, and specification are
+copyright 1995 Adobe Systems Inc.
+
+
+What is Xpdf?
+-------------
+
+Xpdf is a viewer for Portable Document Format (PDF) files.  (These are
+also sometimes also called 'Acrobat' files, from the name of Adobe's
+PDF software.)  Xpdf runs under the X Window System on UNIX, VMS, and
+OS/2.  The non-X components of the package (pdftops, pdftotext, etc.)
+also run on Win32 systems and should run on pretty much any system
+with a decent C++ compiler.
+
+Xpdf is designed to be small and efficient.  It can use Type 1,
+TrueType, or standard X fonts.
+
+
+Distribution
+------------
+
+Xpdf is licensed under the GNU General Public License (GPL), version
+2.  In my opinion, the GPL is a convoluted, confusing, ambiguous mess.
+But it's also pervasive, and I'm sick of arguing.  And even if it is
+confusing, the basic idea is good.
+
+In order to cut down on the confusion a little bit, here are some
+informal clarifications:
+
+- I don't mind if you redistribute Xpdf in source and/or binary form,
+  as long as you include all of the documentation: README, man pages
+  (or help files), and COPYING.  (Note that the README file contains a
+  pointer to a web page with the source code.)
+
+- Selling a CD-ROM that contains Xpdf is fine with me, as long as it
+  includes the documentation.  I wouldn't mind receiving a sample
+  copy, but it's not necessary.
+
+- If you make useful changes to Xpdf, please make the source code
+  available -- post it on a web site, email it to me, whatever.
+
+If you're interested in commercial licensing, please contact me by
+email: derekn@foolabs.com .
+
+
+Compatibility
+-------------
+
+Xpdf is developed and tested on a Linux 2.2 x86 system.
+
+In addition, it has been compiled by others on Solaris, AIX, HP-UX,
+SCO UnixWare, Digital Unix, Irix, and numerous other Unix
+implementations, as well as VMS and OS/2.  It should work on pretty
+much any system which runs X11 and has Unix-like libraries.  You'll
+need ANSI C++ and C compilers to compile it.
+
+The non-X components of Xpdf (pdftops, pdftotext, pdfinfo, pdfimages)
+can also be compiled on Win32 systems.  See the Xpdf web page for
+details.
+
+If you compile Xpdf for a system not listed on the web page, please
+let me know.  If you're willing to make your binary available by ftp
+or on the web, I'll be happy to add a link from the Xpdf web page.  I
+have decided not to host any binaries I didn't compile myself (for
+disk space and support reasons).
+
+If you can't get Xpdf to compile on your system, send me email and
+I'll try to help.
+
+Xpdf has been ported to the Acorn, Amiga, BeOS, and EPOC.  See the
+Xpdf web page for links.
+
+
+Getting Xpdf
+------------
+
+The latest version is available from:
+
+  http://www.foolabs.com/xpdf/
+
+or:
+
+  ftp://ftp.foolabs.com/pub/xpdf/
+
+Source code and several precompiled executables are available.
+
+Announcements of new versions are posted to several newsgroups
+(comp.text.pdf, comp.os.linux.announce, and others) and emailed to a
+list of people.  If you'd like to receive email notification of new
+versions, just let me know.
+
+
+Running Xpdf
+------------
+
+To run xpdf, simply type:
+
+  xpdf file.pdf
+
+To generate a PostScript file, hit the "print" button in xpdf, or run
+pdftops:
+
+  pdftops file.pdf
+
+To generate a plain text file, run pdftotext:
+
+  pdftotext file.pdf
+
+There are three additional utilities (which are fully described in
+their man pages):
+
+  pdfinfo -- dumps a PDF file's Info dictionary (plus some other
+             useful information)
+  pdftopbm -- converts a PDF file to a series of PBM-format bitmaps
+  pdfimages -- extracts the images from a PDF file
+
+Command line options and many other details are described in the man
+pages (xpdf.1, etc.) and the VMS help files (xpdf.hlp, etc.).
+
+
+Fonts
+-----
+
+Xpdf uses X server fonts.  It requires the following fonts:
+
+* Courier: medium-r, bold-r, medium-o, and bold-o
+* Helvetica: medium-r, bold-r, medium-o, and bold-o
+* Times: medium-r, bold-r, medium-i, and bold-i
+* Symbol: medium-r
+* Zapf Dingbats: medium-r
+
+Most X installations should already have all of these fonts, except
+Zapf Dingbats.  You can install a Type 1 Zapf Dingbats font -- see the
+mkfontdir(1) man page for details.  Use this font descriptor in your
+fonts.scale file:
+
+    -itc-zapfdingbats-medium-r-normal--0-0-0-0-p-0-adobe-fontspecific
+
+You can get a Type 1 font file from the ghostscript 4.x distribution
+(look for d050000l.pfb).
+
+X servers, starting at R5, support font scaling.  Xpdf will
+automatically take advantage of this.  There are two types of scaling.
+The first type uses standard bitmap fonts: if a font doesn't exist in
+the requested size, the server will scale the bitmapped characters.
+This is reasonably fast, and the results are readable but not very
+pretty.  X servers can also handle true scalable, e.g., Type 1, fonts.
+(See the mkfontdir(1) man page for details on setting these up.)
+Scalable fonts are slower, especially since PDF documents tend to use
+lots of fonts, but they look much nicer.
+
+Some X servers also support font rotation.  Xpdf will use this feature
+if available.
+
+For Japanese support, you will need a Japanese font of the form:
+
+    -*-fixed-medium-r-normal-*-NN-*-*-*-*-*-jisx0208.1983-0
+
+and an X server that can handle 16-bit fonts.  You can also set this
+font using the xpdf.japaneseFont resource.
+
+For Chinese GB (simplified Chinese) support, you will need a font of
+the form:
+
+    -*-fangsong ti-medium-r-normal-*-%s-*-*-*-*-*-gb2312.1980-0
+
+You can replace this font using the xpdf.chineseGBFont resource.
+
+For Chinese CNS (traditional Chinese) support, you will need a font of
+the form:
+
+    -*-fixed-medium-r-normal--*-%s-*-*-*-*-big5-0
+
+You can replace this font using the xpdf.chineseCNSFont resource.
+
+If compiled with t1lib support, xpdf will use t1lib to render embedded
+Type 1 and Type 1C fonts.  In addition, xpdf can be configured to use
+t1lib for the base 14 fonts and for substituted fonts.  To enable this
+feature, you must set an X resource for each Type 1 font file.  For
+example:
+
+    xpdf.t1TimesRoman:           /usr/local/fonts/Times-Roman.pfa
+    xpdf.t1TimesItalic:          /usr/local/fonts/Times-Italic.pfa
+    xpdf.t1TimesBold:            /usr/local/fonts/Times-Bold.pfa
+    xpdf.t1TimesBoldItalic:      /usr/local/fonts/Times-BoldItalic.pfa
+    xpdf.t1Helvetica:            /usr/local/fonts/Helvetica.pfa
+    xpdf.t1HelveticaOblique:     /usr/local/fonts/Helvetica-Oblique.pfa
+    xpdf.t1HelveticaBold:        /usr/local/fonts/Helvetica-Bold.pfa
+    xpdf.t1HelveticaBoldOblique: /usr/local/fonts/Helvetica-BoldOblique.pfa
+    xpdf.t1Courier:              /usr/local/fonts/Courier.pfa
+    xpdf.t1CourierOblique:       /usr/local/fonts/Courier-Oblique.pfa
+    xpdf.t1CourierBold:          /usr/local/fonts/Courier-Bold.pfa
+    xpdf.t1CourierBoldOblique:   /usr/local/fonts/Courier-BoldOblique.pfa
+    xpdf.t1Symbol:               /usr/local/fonts/Symbol.pfa
+    xpdf.t1ZapfDingbats:         /usr/local/fonts/ZapfDingbats.pfa
+
+Ghostscript comes with a set of free, high-quality Type 1 fonts,
+donated by URW++ Design and Development Incorporated.  The xpdf X
+resources needed for these fonts are:
+
+    xpdf.t1TimesRoman:           /usr/ghostscript/fonts/n021003l.pfb
+    xpdf.t1TimesItalic:          /usr/ghostscript/fonts/n021023l.pfb
+    xpdf.t1TimesBold:            /usr/ghostscript/fonts/n021004l.pfb
+    xpdf.t1TimesBoldItalic:      /usr/ghostscript/fonts/n021024l.pfb
+    xpdf.t1Helvetica:            /usr/ghostscript/fonts/n019003l.pfb
+    xpdf.t1HelveticaOblique:     /usr/ghostscript/fonts/n019023l.pfb
+    xpdf.t1HelveticaBold:        /usr/ghostscript/fonts/n019004l.pfb
+    xpdf.t1HelveticaBoldOblique: /usr/ghostscript/fonts/n019024l.pfb
+    xpdf.t1Courier:              /usr/ghostscript/fonts/n022003l.pfb
+    xpdf.t1CourierOblique:       /usr/ghostscript/fonts/n022023l.pfb
+    xpdf.t1CourierBold:          /usr/ghostscript/fonts/n022004l.pfb
+    xpdf.t1CourierBoldOblique:   /usr/ghostscript/fonts/n022024l.pfb
+    xpdf.t1Symbol:               /usr/ghostscript/fonts/s050000l.pfb
+    xpdf.t1ZapfDingbats:         /usr/ghostscript/fonts/d050000l.pfb
+
+You will obviously need to replace '/usr/ghostscript/fonts' with the
+appropriate path on your system.
+
+
+The Unisys LZW Patent
+---------------------
+
+Nearly all PDF files include data which has been compressed with the
+LZW compression algorithm.  Unfortunately, LZW is covered by a
+software patent which is owned by Unisys Corporation.  Unisys refuses
+to license this patent for PDF-related use in software such as Xpdf
+which is released for free and which may be freely redistributed.
+(This is same algorithm which is used by GIF.  However, Unisys is not
+doing licensing for free PDF viwers in the same way as for free GIF
+viewers.)
+
+As a workaround, Xpdf converts PDF-format LZW data to compress-format
+LZW data.  (The standard UNIX compress utility also uses LZW, but with
+a slightly different file format.)  This conversion does *not*
+decompress the data; it simply converts it to a different file format.
+Xpdf then calls uncompress to actually decompress the data.
+
+I have been told by several notable people that the LZW patent covers
+compression only, and does not cover decompression.  This seems pretty
+fuzzy to me, so I'm going to stick with my workaround, at least for
+now.
+
+For Unisys's slant on things (mostly regarding GIF), see
+<http://www.unisys.com/LeadStory/lzwterms.html> and
+<http://www.unisys.com/LeadStory/lzwfaq.html>.  These pages mention
+an email address for feedback.
+
+
+Compiling Xpdf
+--------------
+
+See the separate file, INSTALL.
+
+
+Bugs
+----
+
+Type 3 fonts are still not well supported by Xpdf.
+
+If you find a bug in Xpdf, i.e., if it prints an error message,
+crashes, or incorrectly displays a document, and you don't see that
+bug listed here, please send me email, with a pointer (URL, ftp site,
+etc.) to the PDF file.
+
+
+Acknowledgments
+---------------
+
+Thanks to:
+
+* Patrick Voigt for help with the remote server code.
+* Patrick Moreau, Martin P.J. Zinser, and David Mathog for the VMS
+  port.
+* David Boldt and Rick Rodgers for sample man pages.
+* Brendan Miller for the icon idea.
+* Olly Betts for help testing pdftotext.
+* Peter Ganten for the OS/2 port.
+* Michael Richmond for the Win32 port of pdftops and pdftotext.
+* Frank M. Siegert for improvements in the PostScript code.
+* Leo Smiers for the decryption patches.
+* Rainer Menzner for creating t1lib, and for helping me adapt it to
+  xpdf.
+* Pine Tree Systems A/S for funding the OPI and EPS support in
+  pdftops.
+* Easy Software Products for funding the "sh" operator support.
+
+
+References
+----------
+
+Adobe Systems Inc., _PDF Reference_, 2nd ed.
+Addison-Wesley, 2000, ISBN 0-201-61588-6.
+[The printed manual for PDF version 1.3.]
+
+Adobe Systems Inc., _Portable Document Format: Changes from Version
+1.3 to 1.4_, Adobe Developer Support Technical Note #5409.
+June 11, 2001.
+http://partners.adobe.com/asn/developer/acrosdk/docs/filefmtspecs/PDF14Deltas.pdf
+[Updates for PDF 1.4.]
+
+Adobe Systems Inc., _PostScript Language Reference_, 3rd ed.
+Addison-Wesley, 1999, ISBN 0-201-37922-8.
+[The official PostScript manual.]
+
+Adobe Systems, Inc., _The Type 42 Font Format Specification_,
+Adobe Developer Support Technical Specification #5012.  1998.
+http://partners.adobe.com/asn/developer/pdfs/tn/5012.Type42_Spec.pdf
+[Type 42 is the format used to embed TrueType fonts in PostScript
+files.]
+
+Adobe Systems, Inc., _Adobe CMap and CIDFont Files Specification_,
+Adobe Developer Support Technical Specification #5014.  1995.
+http://www.adobe.com/supportservice/devrelations/PDFS/TN/5014.CIDFont_Spec.pdf
+[CMap file format needed for Japanese and Chinese font support.]
+
+Adobe Systems, Inc., _Adobe-Japan1-2 Character Collection for
+CID-Keyed Fonts_, Adobe Developer Support Technical Note #5078.
+1994.
+http://partners.adobe.com/asn/developer/PDFS/TN/5078.CID_Glyph.pdf
+[The Adobe Japanese character set.]
+
+Adobe Systems, Inc., _Adobe-GB1-3 Character Collection for
+CID-Keyed Fonts_, Adobe Developer Support Technical Note #5079.
+1998.
+http://partners.adobe.com/asn/developer/PDFS/TN/5079.GB_CharColl.pdf
+[The Adobe Chinese GB character set.]
+
+Adobe Systems, Inc., _Adobe-CNS1-3 Character Collection for
+CID-Keyed Fonts_, Adobe Developer Support Technical Note #5080.
+2000.
+http://partners.adobe.com/asn/developer/PDFS/TN/5080.CNS_CharColl.pdf
+[The Adobe Chinese CNS character set.]
+
+Adobe Systems Inc., _Supporting the DCT Filters in PostScript Level
+2_, Adobe Developer Support Technical Note #5116.  1992.
+http://www.adobe.com/supportservice/devrelations/PDFS/TN/5116.PS2_DCT.PDF
+[Description of the DCTDecode filter parameters.]
+
+Adobe Systems Inc., _Open Prepress Interface (OPI) Specification -
+Version 2.0_, Adobe Developer Support Technical Note #5660.  2000.
+http://partners.adobe.com/asn/developer/PDFS/TN/5660.OPI_2.0.pdf
+
+Adobe Systems Inc., CMap files.
+ftp://ftp.oreilly.com/pub/examples/nutshell/cjkv/adobe/
+[The actual CMap files for the 16-bit CJK encodings.]
+
+Aldus Corp., _OPI: Open Prepress Interface Specification 1.3_.  1993.
+http://partners.adobe.com/asn/developer/PDFS/TN/OPI_13.pdf
+
+Anonymous, RC4 source code.
+ftp://ftp.ox.ac.uk/pub/crypto/misc/rc4.tar.gz
+ftp://idea.sec.dsi.unimi.it/pub/crypt/code/rc4.tar.gz
+[This is the algorithm used to encrypt PDF files.]
+
+CCITT, _Blue Book_, Volume VII Fascicle 3: "Terminal Equipment and
+Protocols for Telematic Services", Recommendations T.4 and T.6.
+ftp://ftp.uu.net/doc/standards/ccitt/1988/7_3_01.ps
+ftp://ftp.uu.net/doc/standards/ccitt/1988/7_3_02.ps
+[The official Group 3 and 4 fax standards.  The online copies are
+unfortunately misformatted.]
+
+L. Peter Deutsch, "ZLIB Compressed Data Format Specification version
+3.3".  RFC 1950.
+[Information on the general format used in FlateDecode streams.]
+
+L. Peter Deutsch, "DEFLATE Compressed Data Format Specification
+version 1.3".  RFC 1951.
+[The definition of the compression algorithm used in FlateDecode
+streams.]
+
+Jim Flowers, "X Logical Font Description Conventions", Version 1.5, X
+Consortium Standard, X Version 11, Release 6.1.
+ftp://ftp.x.org/pub/R6.1/xc/doc/hardcopy/XLFD/xlfd.PS.Z
+[The official specification of X font descriptors, including font
+transformation matrices.]
+
+Foley, van Dam, Feiner, and Hughes, _Computer Graphics: Principles and
+Practice_, 2nd ed.  Addison-Wesley, 1990, ISBN 0-201-12110-7.
+[Colorspace conversion functions, Bezier spline math.]
+
+Robert L. Hummel, _Programmer's Technical Reference: Data and Fax
+Communications_.  Ziff-Davis Press, 1993, ISBN 1-56276-077-7.
+[CCITT Group 3 and 4 fax decoding.]
+
+Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz, "Practical
+Fast 1-D DCT Algorithms with 11 Multiplications".  IEEE Intl. Conf. on
+Acoustics, Speech & Signal Processing, 1989, 988-991.
+[The fast IDCT algorithm used in the DCTDecode filter.]
+
+Microsoft, _TrueType 1.0 Font Files_, rev. 1.66.  1995.
+http://www.microsoft.com/typography/tt/tt.htm
+[The TrueType font spec (in MS Word format, naturally).]
+
+Charles Poynton, "Color FAQ".
+http://www.inforamp.net/~poynton/ColorFAQ.html
+[The mapping from the CIE 1931 (XYZ) color space to RGB.]
+
+R. Rivest, "The MD5 Message-Digest Algorithm".  RFC 1321.
+[MD5 is used in PDF document encryption.]
+
+Gregory K. Wallace, "The JPEG Still Picture Compression Standard".
+ftp://ftp.uu.net/graphics/jpeg/wallace.ps.gz
+[Good description of the JPEG standard.  Also published in CACM, April
+1991, and submitted to IEEE Transactions on Consumer Electronics.]
+
+W3C Recommendation, "PNG (Portable Network Graphics) Specification
+Version 1.0".
+http://www.w3.org/Graphics/PNG/
+[Defines the PNG image predictor.]
+
+"ISO 8859-2 (Latin 2) Resources".
+http://sizif.mf.uni-lj.si/linux/cee/iso8859-2.html
+[This is a web page with all sorts of useful Latin-2 character set and
+font information.]
diff --git a/pdftops/SFont.h b/pdftops/SFont.h
new file mode 100644
index 000000000..cab17961e
--- /dev/null
+++ b/pdftops/SFont.h
@@ -0,0 +1,127 @@
+//========================================================================
+//
+// SFont.h
+//
+// Base class for font rasterizers.
+//
+//========================================================================
+
+#ifndef SFONT_H
+#define SFONT_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include "gtypes.h"
+
+//------------------------------------------------------------------------
+
+class SFontEngine {
+public:
+
+  SFontEngine(Display *displayA, Visual *visualA, int depthA,
+	      Colormap colormapA);
+  virtual ~SFontEngine();
+
+  // Use a TrueColor visual.  Pixel values are computed as:
+  //
+  //     (r << rShift) + (g << gShift) + (b << bShift)
+  //
+  // where r, g, and b are scaled to the ranges [0,rMax], [0,gMax],
+  // and [0,bMax], respectively.
+  virtual void useTrueColor(int rMaxA, int rShiftA, int gMaxA, int gShiftA,
+			    int bMaxA, int bShiftA);
+
+  // Use an RGB color cube.  <colors> is an array containing
+  // <nRGB>*<nRGB>*<nRGB> pixel values in red,green,blue order, e.g.,
+  // for <nRGB>=2, there will be 8 entries:
+  //
+  //        |--- colors[i] ---|
+  //     i  red    green  blue
+  //     -  -----  -----  -----
+  //     0  0000   0000   0000
+  //     1  0000   0000   ffff
+  //     2  0000   ffff   0000
+  //     3  0000   ffff   ffff
+  //     4  ffff   0000   0000
+  //     5  ffff   0000   ffff
+  //     6  ffff   ffff   0000
+  //     7  ffff   ffff   ffff
+  //
+  // The <colors> array is not copied and must remain valid for the
+  // lifetime of this SFont object.
+  virtual void useColorCube(Gulong *colorsA, int nRGBA);
+
+protected:
+
+  // Find the closest match to (<r>,<g>,<b>).
+  Gulong findColor(int r, int g, int b);
+
+  //----- X parameters
+  Display *display;
+  Visual *visual;
+  int depth;
+  Colormap colormap;
+
+  GBool trueColor;		// true for TrueColor, false for RGB cube
+
+  //----- TrueColor parameters
+  int rMax, gMax, bMax;
+  int rShift, gShift, bShift;
+
+  //----- RGB color cube parameters
+  Gulong *colors;
+  int nRGB;
+};
+
+//------------------------------------------------------------------------
+
+class SFontFile {
+public:
+
+  // A typical subclass will provide a constructor along the lines of:
+  //
+  //     SomeFontFile(SomeFontEngine *engine, char *fontFileName);
+  SFontFile();
+
+  virtual ~SFontFile();
+
+private:
+};
+
+//------------------------------------------------------------------------
+
+class SFont {
+public:
+
+  // A typical subclass will provide a constructor along the lines of:
+  //
+  //     SomeFont(SomeFontFile *fontFile, double *m);
+  //
+  // where <m> is a transform matrix consisting of four elements,
+  // using the PostScript ordering conventions (without any
+  // translation):
+  //
+  //   [x' y'] = [x y] * [m0 m1]
+  //                     [m2 m3]
+  //
+  // This is the level at which fonts are cached, and so the font
+  // cannot be transformed after it is created.
+  SFont();
+
+  virtual ~SFont();
+
+  // Draw a character <c> at <x>,<y> in color (<r>,<g>,<b>).  The RGB
+  // values should each be in the range [0,65535].  Draws into <d>,
+  // clipped to the rectangle (0,0)-(<w>-1,<h>-1).  Returns true if
+  // the character was drawn successfully.
+  virtual GBool drawChar(Drawable d, int w, int h, GC gc,
+			 int x, int y, int r, int g, int b, Gushort c) = 0;
+
+protected:
+};
+
+#endif
diff --git a/pdftops/StdFontInfo.h b/pdftops/StdFontInfo.h
new file mode 100644
index 000000000..0db033f6b
--- /dev/null
+++ b/pdftops/StdFontInfo.h
@@ -0,0 +1,546 @@
+//========================================================================
+//
+// StdFontInfo.h
+//
+// This file was automatically generated by makeFontInfo.
+//
+// Copyright 1999 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef STDFONTINFO_H
+#define STDFONTINFO_H
+
+//------------------------------------------------------------------------
+// type1StdEncoding -- Adobe Type 1 StandardEncoding
+//------------------------------------------------------------------------
+
+#define type1StdEncodingSize 256
+static char *type1StdEncodingNames[type1StdEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "exclam",
+  "quotedbl",
+  "numbersign",
+  "dollar",
+  "percent",
+  "ampersand",
+  "quoteright",
+  "parenleft",
+  "parenright",
+  "asterisk",
+  "plus",
+  "comma",
+  "hyphen",
+  "period",
+  "slash",
+  "zero",
+  "one",
+  "two",
+  "three",
+  "four",
+  "five",
+  "six",
+  "seven",
+  "eight",
+  "nine",
+  "colon",
+  "semicolon",
+  "less",
+  "equal",
+  "greater",
+  "question",
+  "at",
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+  "bracketleft",
+  "backslash",
+  "bracketright",
+  "asciicircum",
+  "underscore",
+  "quoteleft",
+  "a",
+  "b",
+  "c",
+  "d",
+  "e",
+  "f",
+  "g",
+  "h",
+  "i",
+  "j",
+  "k",
+  "l",
+  "m",
+  "n",
+  "o",
+  "p",
+  "q",
+  "r",
+  "s",
+  "t",
+  "u",
+  "v",
+  "w",
+  "x",
+  "y",
+  "z",
+  "braceleft",
+  "bar",
+  "braceright",
+  "asciitilde",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "exclamdown",
+  "cent",
+  "sterling",
+  "fraction",
+  "yen",
+  "florin",
+  "section",
+  "currency",
+  "quotesingle",
+  "quotedblleft",
+  "guillemotleft",
+  "guilsinglleft",
+  "guilsinglright",
+  "fi",
+  "fl",
+  NULL,
+  "endash",
+  "dagger",
+  "daggerdbl",
+  "periodcentered",
+  NULL,
+  "paragraph",
+  "bullet",
+  "quotesinglbase",
+  "quotedblbase",
+  "quotedblright",
+  "guillemotright",
+  "ellipsis",
+  "perthousand",
+  NULL,
+  "questiondown",
+  NULL,
+  "grave",
+  "acute",
+  "circumflex",
+  "tilde",
+  "macron",
+  "breve",
+  "dotaccent",
+  "dieresis",
+  NULL,
+  "ring",
+  "cedilla",
+  NULL,
+  "hungarumlaut",
+  "ogonek",
+  "caron",
+  "emdash",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "AE",
+  NULL,
+  "ordfeminine",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "Lslash",
+  "Oslash",
+  "OE",
+  "ordmasculine",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "ae",
+  NULL,
+  NULL,
+  NULL,
+  "dotlessi",
+  NULL,
+  NULL,
+  "lslash",
+  "oslash",
+  "oe",
+  "germandbls",
+  NULL,
+  NULL,
+  NULL,
+  NULL
+};
+static FontEncoding type1StdEncoding(type1StdEncodingNames,
+                                     type1StdEncodingSize);
+
+//------------------------------------------------------------------------
+// type1ExpertEncoding -- Adobe Type 1 ExpertEncoding
+//------------------------------------------------------------------------
+
+#define type1ExpertEncodingSize 256
+static char *type1ExpertEncodingNames[type1ExpertEncodingSize] = {
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "space",
+  "exclamsmall",
+  "Hungarumlautsmall",
+  NULL,
+  "dollaroldstyle",
+  "dollarsuperior",
+  "ampersandsmall",
+  "Acutesmall",
+  "parenleftsuperior",
+  "parenrightsuperior",
+  "twodotenleader",
+  "onedotenleader",
+  "comma",
+  "hyphen",
+  "period",
+  "fraction",
+  "zerooldstyle",
+  "oneoldstyle",
+  "twooldstyle",
+  "threeoldstyle",
+  "fouroldstyle",
+  "fiveoldstyle",
+  "sixoldstyle",
+  "sevenoldstyle",
+  "eightoldstyle",
+  "nineoldstyle",
+  "colon",
+  "semicolon",
+  "commasuperior",
+  "threequartersemdash",
+  "periodsuperior",
+  "questionsmall",
+  NULL,
+  "asuperior",
+  "bsuperior",
+  "centsuperior",
+  "dsuperior",
+  "esuperior",
+  NULL,
+  NULL,
+  NULL,
+  "isuperior",
+  NULL,
+  NULL,
+  "lsuperior",
+  "msuperior",
+  "nsuperior",
+  "osuperior",
+  NULL,
+  NULL,
+  "rsuperior",
+  "ssuperior",
+  "tsuperior",
+  NULL,
+  "ff",
+  "fi",
+  "fl",
+  "ffi",
+  "ffl",
+  "parenleftinferior",
+  NULL,
+  "parenrightinferior",
+  "Circumflexsmall",
+  "hyphensuperior",
+  "Gravesmall",
+  "Asmall",
+  "Bsmall",
+  "Csmall",
+  "Dsmall",
+  "Esmall",
+  "Fsmall",
+  "Gsmall",
+  "Hsmall",
+  "Ismall",
+  "Jsmall",
+  "Ksmall",
+  "Lsmall",
+  "Msmall",
+  "Nsmall",
+  "Osmall",
+  "Psmall",
+  "Qsmall",
+  "Rsmall",
+  "Ssmall",
+  "Tsmall",
+  "Usmall",
+  "Vsmall",
+  "Wsmall",
+  "Xsmall",
+  "Ysmall",
+  "Zsmall",
+  "colonmonetary",
+  "onefitted",
+  "rupiah",
+  "Tildesmall",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  "exclamdownsmall",
+  "centoldstyle",
+  "Lslashsmall",
+  NULL,
+  NULL,
+  "Scaronsmall",
+  "Zcaronsmall",
+  "Dieresissmall",
+  "Brevesmall",
+  "Caronsmall",
+  NULL,
+  "Dotaccentsmall",
+  NULL,
+  NULL,
+  "Macronsmall",
+  NULL,
+  NULL,
+  "figuredash",
+  "hypheninferior",
+  NULL,
+  NULL,
+  "Ogoneksmall",
+  "Ringsmall",
+  "Cedillasmall",
+  NULL,
+  NULL,
+  NULL,
+  "onequarter",
+  "onehalf",
+  "threequarters",
+  "questiondownsmall",
+  "oneeighth",
+  "threeeighths",
+  "fiveeighths",
+  "seveneighths",
+  "onethird",
+  "twothirds",
+  NULL,
+  NULL,
+  "zerosuperior",
+  "onesuperior",
+  "twosuperior",
+  "threesuperior",
+  "foursuperior",
+  "fivesuperior",
+  "sixsuperior",
+  "sevensuperior",
+  "eightsuperior",
+  "ninesuperior",
+  "zeroinferior",
+  "oneinferior",
+  "twoinferior",
+  "threeinferior",
+  "fourinferior",
+  "fiveinferior",
+  "sixinferior",
+  "seveninferior",
+  "eightinferior",
+  "nineinferior",
+  "centinferior",
+  "dollarinferior",
+  "periodinferior",
+  "commainferior",
+  "Agravesmall",
+  "Aacutesmall",
+  "Acircumflexsmall",
+  "Atildesmall",
+  "Adieresissmall",
+  "Aringsmall",
+  "AEsmall",
+  "Ccedillasmall",
+  "Egravesmall",
+  "Eacutesmall",
+  "Ecircumflexsmall",
+  "Edieresissmall",
+  "Igravesmall",
+  "Iacutesmall",
+  "Icircumflexsmall",
+  "Idieresissmall",
+  "Ethsmall",
+  "Ntildesmall",
+  "Ogravesmall",
+  "Oacutesmall",
+  "Ocircumflexsmall",
+  "Otildesmall",
+  "Odieresissmall",
+  "OEsmall",
+  "Oslashsmall",
+  "Ugravesmall",
+  "Uacutesmall",
+  "Ucircumflexsmall",
+  "Udieresissmall",
+  "Yacutesmall",
+  "Thornsmall",
+  "Ydieresissmall"
+};
+static FontEncoding type1ExpertEncoding(type1ExpertEncodingNames,
+                                        type1ExpertEncodingSize);
+
+#endif
diff --git a/pdftops/Stream-CCITT.h b/pdftops/Stream-CCITT.h
new file mode 100644
index 000000000..1af874225
--- /dev/null
+++ b/pdftops/Stream-CCITT.h
@@ -0,0 +1,459 @@
+//========================================================================
+//
+// Stream-CCITT.h
+//
+// Tables for CCITT Fax decoding.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+struct CCITTCode {
+  short bits;
+  short n;
+};
+
+#define ccittEOL -2
+
+//------------------------------------------------------------------------
+// 2D codes
+//------------------------------------------------------------------------
+
+#define twoDimPass   0
+#define twoDimHoriz  1
+#define twoDimVert0  2
+#define twoDimVertR1 3
+#define twoDimVertL1 4
+#define twoDimVertR2 5
+#define twoDimVertL2 6
+#define twoDimVertR3 7
+#define twoDimVertL3 8
+
+// 1-7 bit codes
+static CCITTCode twoDimTab1[128] = {
+  {-1, -1}, {-1, -1},		        // 000000x
+  {7, twoDimVertL3},		        // 0000010
+  {7, twoDimVertR3},		        // 0000011
+  {6, twoDimVertL2}, {6, twoDimVertL2},	// 000010x
+  {6, twoDimVertR2}, {6, twoDimVertR2},	// 000011x
+  {4, twoDimPass}, {4, twoDimPass},     // 0001xxx
+    {4, twoDimPass}, {4, twoDimPass},
+    {4, twoDimPass}, {4, twoDimPass},
+    {4, twoDimPass}, {4, twoDimPass},
+  {3, twoDimHoriz}, {3, twoDimHoriz},	// 001xxxx
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+    {3, twoDimHoriz}, {3, twoDimHoriz},
+  {3, twoDimVertL1}, {3, twoDimVertL1},	// 010xxxx
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+    {3, twoDimVertL1}, {3, twoDimVertL1},
+  {3, twoDimVertR1}, {3, twoDimVertR1},	// 011xxxx
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+    {3, twoDimVertR1}, {3, twoDimVertR1},
+  {1, twoDimVert0}, {1, twoDimVert0},	// 1xxxxxx
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0},
+    {1, twoDimVert0}, {1, twoDimVert0}
+};
+
+//------------------------------------------------------------------------
+// white run lengths
+//------------------------------------------------------------------------
+
+// 11-12 bit codes (upper 7 bits are 0)
+static CCITTCode whiteTab1[32] = {
+  {-1, -1},					// 00000
+  {12, ccittEOL},				// 00001
+  {-1, -1}, {-1, -1},				// 0001x
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},	// 001xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},	// 010xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},	// 011xx
+  {11, 1792}, {11, 1792},			// 1000x
+  {12, 1984},					// 10010
+  {12, 2048},					// 10011
+  {12, 2112},					// 10100
+  {12, 2176},					// 10101
+  {12, 2240},					// 10110
+  {12, 2304},					// 10111
+  {11, 1856}, {11, 1856},			// 1100x
+  {11, 1920}, {11, 1920},			// 1101x
+  {12, 2368},					// 11100
+  {12, 2432},					// 11101
+  {12, 2496},					// 11110
+  {12, 2560}					// 11111
+};
+
+// 1-9 bit codes
+static CCITTCode whiteTab2[512] = {
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},	// 0000000xx
+  {8, 29}, {8, 29},				// 00000010x
+  {8, 30}, {8, 30},				// 00000011x
+  {8, 45}, {8, 45},				// 00000100x
+  {8, 46}, {8, 46},				// 00000101x
+  {7, 22}, {7, 22}, {7, 22}, {7, 22},		// 0000011xx
+  {7, 23}, {7, 23}, {7, 23}, {7, 23},		// 0000100xx
+  {8, 47}, {8, 47},				// 00001010x
+  {8, 48}, {8, 48},				// 00001011x
+  {6, 13}, {6, 13}, {6, 13}, {6, 13},		// 000011xxx
+    {6, 13}, {6, 13}, {6, 13}, {6, 13},
+  {7, 20}, {7, 20}, {7, 20}, {7, 20},		// 0001000xx
+  {8, 33}, {8, 33},				// 00010010x
+  {8, 34}, {8, 34},				// 00010011x
+  {8, 35}, {8, 35},				// 00010100x
+  {8, 36}, {8, 36},				// 00010101x
+  {8, 37}, {8, 37},				// 00010110x
+  {8, 38}, {8, 38},				// 00010111x
+  {7, 19}, {7, 19}, {7, 19}, {7, 19},		// 0001100xx
+  {8, 31}, {8, 31},				// 00011010x
+  {8, 32}, {8, 32},				// 00011011x
+  {6, 1}, {6, 1}, {6, 1}, {6, 1},		// 000111xxx
+    {6, 1}, {6, 1}, {6, 1}, {6, 1},
+  {6, 12}, {6, 12}, {6, 12}, {6, 12},		// 001000xxx
+    {6, 12}, {6, 12}, {6, 12}, {6, 12},
+  {8, 53}, {8, 53},				// 00100100x
+  {8, 54}, {8, 54},				// 00100101x
+  {7, 26}, {7, 26}, {7, 26}, {7, 26},		// 0010011xx
+  {8, 39}, {8, 39},				// 00101000x
+  {8, 40}, {8, 40},				// 00101001x
+  {8, 41}, {8, 41},				// 00101010x
+  {8, 42}, {8, 42},				// 00101011x
+  {8, 43}, {8, 43},				// 00101100x
+  {8, 44}, {8, 44},				// 00101101x
+  {7, 21}, {7, 21}, {7, 21}, {7, 21},		// 0010111xx
+  {7, 28}, {7, 28}, {7, 28}, {7, 28},		// 0011000xx
+  {8, 61}, {8, 61},				// 00110010x
+  {8, 62}, {8, 62},				// 00110011x
+  {8, 63}, {8, 63},				// 00110100x
+  {8, 0}, {8, 0},				// 00110101x
+  {8, 320}, {8, 320},				// 00110110x
+  {8, 384}, {8, 384},				// 00110111x
+  {5, 10}, {5, 10}, {5, 10}, {5, 10},		// 00111xxxx
+    {5, 10}, {5, 10}, {5, 10}, {5, 10},
+    {5, 10}, {5, 10}, {5, 10}, {5, 10},
+    {5, 10}, {5, 10}, {5, 10}, {5, 10},
+  {5, 11}, {5, 11}, {5, 11}, {5, 11},		// 01000xxxx
+    {5, 11}, {5, 11}, {5, 11}, {5, 11},
+    {5, 11}, {5, 11}, {5, 11}, {5, 11},
+    {5, 11}, {5, 11}, {5, 11}, {5, 11},
+  {7, 27}, {7, 27}, {7, 27}, {7, 27},		// 0100100xx
+  {8, 59}, {8, 59},				// 01001010x
+  {8, 60}, {8, 60},				// 01001011x
+  {9, 1472},					// 010011000
+  {9, 1536},					// 010011001
+  {9, 1600},					// 010011010
+  {9, 1728},					// 010011011
+  {7, 18}, {7, 18}, {7, 18}, {7, 18},		// 0100111xx
+  {7, 24}, {7, 24}, {7, 24}, {7, 24},		// 0101000xx
+  {8, 49}, {8, 49},				// 01010010x
+  {8, 50}, {8, 50},				// 01010011x
+  {8, 51}, {8, 51},				// 01010100x
+  {8, 52}, {8, 52},				// 01010101x
+  {7, 25}, {7, 25}, {7, 25}, {7, 25},		// 0101011xx
+  {8, 55}, {8, 55},				// 01011000x
+  {8, 56}, {8, 56},				// 01011001x
+  {8, 57}, {8, 57},				// 01011010x
+  {8, 58}, {8, 58},				// 01011011x
+  {6, 192}, {6, 192}, {6, 192}, {6, 192},	// 010111xxx
+    {6, 192}, {6, 192}, {6, 192}, {6, 192},
+  {6, 1664}, {6, 1664}, {6, 1664}, {6, 1664},	// 011000xxx
+    {6, 1664}, {6, 1664}, {6, 1664}, {6, 1664},
+  {8, 448}, {8, 448},				// 01100100x
+  {8, 512}, {8, 512},				// 01100101x
+  {9, 704},					// 011001100
+  {9, 768},					// 011001101
+  {8, 640}, {8, 640},				// 01100111x
+  {8, 576}, {8, 576},				// 01101000x
+  {9, 832},					// 011010010
+  {9, 896},					// 011010011
+  {9, 960},					// 011010100
+  {9, 1024},					// 011010101
+  {9, 1088},					// 011010110
+  {9, 1152},					// 011010111
+  {9, 1216},					// 011011000
+  {9, 1280},					// 011011001
+  {9, 1344},					// 011011010
+  {9, 1408},					// 011011011
+  {7, 256}, {7, 256}, {7, 256}, {7, 256},	// 0110111xx
+  {4, 2}, {4, 2}, {4, 2}, {4, 2},		// 0111xxxxx
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+    {4, 2}, {4, 2}, {4, 2}, {4, 2},
+  {4, 3}, {4, 3}, {4, 3}, {4, 3},		// 1000xxxxx
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+    {4, 3}, {4, 3}, {4, 3}, {4, 3},
+  {5, 128}, {5, 128}, {5, 128}, {5, 128},	// 10010xxxx
+    {5, 128}, {5, 128}, {5, 128}, {5, 128},
+    {5, 128}, {5, 128}, {5, 128}, {5, 128},
+    {5, 128}, {5, 128}, {5, 128}, {5, 128},
+  {5, 8}, {5, 8}, {5, 8}, {5, 8},		// 10011xxxx
+    {5, 8}, {5, 8}, {5, 8}, {5, 8},
+    {5, 8}, {5, 8}, {5, 8}, {5, 8},
+    {5, 8}, {5, 8}, {5, 8}, {5, 8},
+  {5, 9}, {5, 9}, {5, 9}, {5, 9},		// 10100xxxx
+    {5, 9}, {5, 9}, {5, 9}, {5, 9},
+    {5, 9}, {5, 9}, {5, 9}, {5, 9},
+    {5, 9}, {5, 9}, {5, 9}, {5, 9},
+  {6, 16}, {6, 16}, {6, 16}, {6, 16},		// 101010xxx
+    {6, 16}, {6, 16}, {6, 16}, {6, 16},
+  {6, 17}, {6, 17}, {6, 17}, {6, 17},		// 101011xxx
+    {6, 17}, {6, 17}, {6, 17}, {6, 17},
+  {4, 4}, {4, 4}, {4, 4}, {4, 4},		// 1011xxxxx
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+    {4, 4}, {4, 4}, {4, 4}, {4, 4},
+  {4, 5}, {4, 5}, {4, 5}, {4, 5},		// 1100xxxxx
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+    {4, 5}, {4, 5}, {4, 5}, {4, 5},
+  {6, 14}, {6, 14}, {6, 14}, {6, 14},		// 110100xxx
+    {6, 14}, {6, 14}, {6, 14}, {6, 14},
+  {6, 15}, {6, 15}, {6, 15}, {6, 15},		// 110101xxx
+    {6, 15}, {6, 15}, {6, 15}, {6, 15},
+  {5, 64}, {5, 64}, {5, 64}, {5, 64},		// 11011xxxx
+    {5, 64}, {5, 64}, {5, 64}, {5, 64},
+    {5, 64}, {5, 64}, {5, 64}, {5, 64},
+    {5, 64}, {5, 64}, {5, 64}, {5, 64},
+  {4, 6}, {4, 6}, {4, 6}, {4, 6},		// 1110xxxxx
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+    {4, 6}, {4, 6}, {4, 6}, {4, 6},
+  {4, 7}, {4, 7}, {4, 7}, {4, 7},		// 1111xxxxx
+    {4, 7}, {4, 7}, {4, 7}, {4, 7},
+    {4, 7}, {4, 7}, {4, 7}, {4, 7},
+    {4, 7}, {4, 7}, {4, 7}, {4, 7},
+    {4, 7}, {4, 7}, {4, 7}, {4, 7},
+    {4, 7}, {4, 7}, {4, 7}, {4, 7},
+    {4, 7}, {4, 7}, {4, 7}, {4, 7},
+    {4, 7}, {4, 7}, {4, 7}, {4, 7}
+};
+
+//------------------------------------------------------------------------
+// black run lengths
+//------------------------------------------------------------------------
+
+// 10-13 bit codes (upper 6 bits are 0)
+static CCITTCode blackTab1[128] = {
+  {-1, -1}, {-1, -1},					// 000000000000x
+  {12, ccittEOL}, {12, ccittEOL},			// 000000000001x
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000001xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000010xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000011xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000100xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000101xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000110xx
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 00000000111xx
+  {11, 1792}, {11, 1792}, {11, 1792}, {11, 1792},	// 00000001000xx
+  {12, 1984}, {12, 1984},				// 000000010010x
+  {12, 2048}, {12, 2048},				// 000000010011x
+  {12, 2112}, {12, 2112},				// 000000010100x
+  {12, 2176}, {12, 2176},				// 000000010101x
+  {12, 2240}, {12, 2240},				// 000000010110x
+  {12, 2304}, {12, 2304},				// 000000010111x
+  {11, 1856}, {11, 1856}, {11, 1856}, {11, 1856},	// 00000001100xx
+  {11, 1920}, {11, 1920}, {11, 1920}, {11, 1920},	// 00000001101xx
+  {12, 2368}, {12, 2368},				// 000000011100x
+  {12, 2432}, {12, 2432},				// 000000011101x
+  {12, 2496}, {12, 2496},				// 000000011110x
+  {12, 2560}, {12, 2560},				// 000000011111x
+  {10, 18}, {10, 18}, {10, 18}, {10, 18},		// 0000001000xxx
+    {10, 18}, {10, 18}, {10, 18}, {10, 18},
+  {12, 52}, {12, 52},					// 000000100100x
+  {13, 640},						// 0000001001010
+  {13, 704},						// 0000001001011
+  {13, 768},						// 0000001001100
+  {13, 832},						// 0000001001101
+  {12, 55}, {12, 55},					// 000000100111x
+  {12, 56}, {12, 56},					// 000000101000x
+  {13, 1280},						// 0000001010010
+  {13, 1344},						// 0000001010011
+  {13, 1408},						// 0000001010100
+  {13, 1472},						// 0000001010101
+  {12, 59}, {12, 59},					// 000000101011x
+  {12, 60}, {12, 60},					// 000000101100x
+  {13, 1536},						// 0000001011010
+  {13, 1600},						// 0000001011011
+  {11, 24}, {11, 24}, {11, 24}, {11, 24},		// 00000010111xx
+  {11, 25}, {11, 25}, {11, 25}, {11, 25},		// 00000011000xx
+  {13, 1664},						// 0000001100100
+  {13, 1728},						// 0000001100101
+  {12, 320}, {12, 320},					// 000000110011x
+  {12, 384}, {12, 384},					// 000000110100x
+  {12, 448}, {12, 448},					// 000000110101x
+  {13, 512},						// 0000001101100
+  {13, 576},						// 0000001101101
+  {12, 53}, {12, 53},					// 000000110111x
+  {12, 54}, {12, 54},					// 000000111000x
+  {13, 896},						// 0000001110010
+  {13, 960},						// 0000001110011
+  {13, 1024},						// 0000001110100
+  {13, 1088},						// 0000001110101
+  {13, 1152},						// 0000001110110
+  {13, 1216},						// 0000001110111
+  {10, 64}, {10, 64}, {10, 64}, {10, 64},		// 0000001111xxx
+    {10, 64}, {10, 64}, {10, 64}, {10, 64}
+};
+
+// 7-12 bit codes (upper 4 bits are 0)
+static CCITTCode blackTab2[192] = {
+  {8, 13}, {8, 13}, {8, 13}, {8, 13},			// 00000100xxxx
+    {8, 13}, {8, 13}, {8, 13}, {8, 13},
+    {8, 13}, {8, 13}, {8, 13}, {8, 13},
+    {8, 13}, {8, 13}, {8, 13}, {8, 13},
+  {11, 23}, {11, 23},					// 00000101000x
+  {12, 50},						// 000001010010
+  {12, 51},						// 000001010011
+  {12, 44},						// 000001010100
+  {12, 45},						// 000001010101
+  {12, 46},						// 000001010110
+  {12, 47},						// 000001010111
+  {12, 57},						// 000001011000
+  {12, 58},						// 000001011001
+  {12, 61},						// 000001011010
+  {12, 256},						// 000001011011
+  {10, 16}, {10, 16}, {10, 16}, {10, 16},		// 0000010111xx
+  {10, 17}, {10, 17}, {10, 17}, {10, 17},		// 0000011000xx
+  {12, 48},						// 000001100100
+  {12, 49},						// 000001100101
+  {12, 62},						// 000001100110
+  {12, 63},						// 000001100111
+  {12, 30},						// 000001101000
+  {12, 31},						// 000001101001
+  {12, 32},						// 000001101010
+  {12, 33},						// 000001101011
+  {12, 40},						// 000001101100
+  {12, 41},						// 000001101101
+  {11, 22}, {11, 22},					// 00000110111x
+  {8, 14}, {8, 14}, {8, 14}, {8, 14},			// 00000111xxxx
+    {8, 14}, {8, 14}, {8, 14}, {8, 14},
+    {8, 14}, {8, 14}, {8, 14}, {8, 14},
+    {8, 14}, {8, 14}, {8, 14}, {8, 14},
+  {7, 10}, {7, 10}, {7, 10}, {7, 10},			// 0000100xxxxx
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+    {7, 10}, {7, 10}, {7, 10}, {7, 10},
+  {7, 11}, {7, 11}, {7, 11}, {7, 11},			// 0000101xxxxx
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+    {7, 11}, {7, 11}, {7, 11}, {7, 11},
+  {9, 15}, {9, 15}, {9, 15}, {9, 15},			// 000011000xxx
+    {9, 15}, {9, 15}, {9, 15}, {9, 15},
+  {12, 128},						// 000011001000
+  {12, 192},						// 000011001001
+  {12, 26},						// 000011001010
+  {12, 27},						// 000011001011
+  {12, 28},						// 000011001100
+  {12, 29},						// 000011001101
+  {11, 19}, {11, 19},					// 00001100111x
+  {11, 20}, {11, 20},					// 00001101000x
+  {12, 34},						// 000011010010
+  {12, 35},						// 000011010011
+  {12, 36},						// 000011010100
+  {12, 37},						// 000011010101
+  {12, 38},						// 000011010110
+  {12, 39},						// 000011010111
+  {11, 21}, {11, 21},					// 00001101100x
+  {12, 42},						// 000011011010
+  {12, 43},						// 000011011011
+  {10, 0}, {10, 0}, {10, 0}, {10, 0},			// 0000110111xx
+  {7, 12}, {7, 12}, {7, 12}, {7, 12},			// 0000111xxxxx
+    {7, 12}, {7, 12}, {7, 12}, {7, 12},
+    {7, 12}, {7, 12}, {7, 12}, {7, 12},
+    {7, 12}, {7, 12}, {7, 12}, {7, 12},
+    {7, 12}, {7, 12}, {7, 12}, {7, 12},
+    {7, 12}, {7, 12}, {7, 12}, {7, 12},
+    {7, 12}, {7, 12}, {7, 12}, {7, 12},
+    {7, 12}, {7, 12}, {7, 12}, {7, 12}
+};
+
+// 2-6 bit codes
+static CCITTCode blackTab3[64] = {
+  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},		// 0000xx
+  {6, 9},						// 000100
+  {6, 8},						// 000101
+  {5, 7}, {5, 7},					// 00011x
+  {4, 6}, {4, 6}, {4, 6}, {4, 6},			// 0010xx
+  {4, 5}, {4, 5}, {4, 5}, {4, 5},			// 0011xx
+  {3, 1}, {3, 1}, {3, 1}, {3, 1},			// 010xxx
+    {3, 1}, {3, 1}, {3, 1}, {3, 1},
+  {3, 4}, {3, 4}, {3, 4}, {3, 4},			// 011xxx
+    {3, 4}, {3, 4}, {3, 4}, {3, 4},
+  {2, 3}, {2, 3}, {2, 3}, {2, 3},			// 10xxxx
+    {2, 3}, {2, 3}, {2, 3}, {2, 3},
+    {2, 3}, {2, 3}, {2, 3}, {2, 3},
+    {2, 3}, {2, 3}, {2, 3}, {2, 3},
+  {2, 2}, {2, 2}, {2, 2}, {2, 2},			// 11xxxx
+    {2, 2}, {2, 2}, {2, 2}, {2, 2},
+    {2, 2}, {2, 2}, {2, 2}, {2, 2},
+    {2, 2}, {2, 2}, {2, 2}, {2, 2}
+};
diff --git a/pdftops/Stream.cxx b/pdftops/Stream.cxx
new file mode 100644
index 000000000..a8a88e623
--- /dev/null
+++ b/pdftops/Stream.cxx
@@ -0,0 +1,3466 @@
+//========================================================================
+//
+// Stream.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#ifndef WIN32
+#include <unistd.h>
+#endif
+#include <string.h>
+#include <ctype.h>
+#include "gmem.h"
+#include "gfile.h"
+#include "config.h"
+#include "Error.h"
+#include "Object.h"
+#ifndef NO_DECRYPTION
+#include "Decrypt.h"
+#endif
+#include "Stream.h"
+#include "Stream-CCITT.h"
+
+#ifdef __DJGPP__
+static GBool setDJSYSFLAGS = gFalse;
+#endif
+
+#ifdef VMS
+#if (__VMS_VER < 70000000)
+extern "C" int unlink(char *filename);
+#endif
+#ifdef __GNUC__
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+#endif
+#endif
+
+#ifdef MACOS
+#include "StuffItEngineLib.h"
+#endif
+
+//------------------------------------------------------------------------
+// Stream (base class)
+//------------------------------------------------------------------------
+
+Stream::Stream() {
+  ref = 1;
+}
+
+Stream::~Stream() {
+}
+
+void Stream::close() {
+}
+
+int Stream::getRawChar() {
+  error(-1, "Internal: called getRawChar() on non-predictor stream");
+  return EOF;
+}
+
+char *Stream::getLine(char *buf, int size) {
+  int i;
+  int c;
+
+  if (lookChar() == EOF)
+    return NULL;
+  for (i = 0; i < size - 1; ++i) {
+    c = getChar();
+    if (c == EOF || c == '\n')
+      break;
+    if (c == '\r') {
+      if ((c = lookChar()) == '\n')
+	getChar();
+      break;
+    }
+    buf[i] = c;
+  }
+  buf[i] = '\0';
+  return buf;
+}
+
+GString *Stream::getPSFilter(char *indent) {
+  return new GString();
+}
+
+Stream *Stream::addFilters(Object *dict) {
+  Object obj, obj2;
+  Object params, params2;
+  Stream *str;
+  int i;
+
+  str = this;
+  dict->dictLookup("Filter", &obj);
+  if (obj.isNull()) {
+    obj.free();
+    dict->dictLookup("F", &obj);
+  }
+  dict->dictLookup("DecodeParms", &params);
+  if (params.isNull()) {
+    params.free();
+    dict->dictLookup("DP", &params);
+  }
+  if (obj.isName()) {
+    str = makeFilter(obj.getName(), str, &params);
+  } else if (obj.isArray()) {
+    for (i = 0; i < obj.arrayGetLength(); ++i) {
+      obj.arrayGet(i, &obj2);
+      if (params.isArray())
+	params.arrayGet(i, &params2);
+      else
+	params2.initNull();
+      if (obj2.isName()) {
+	str = makeFilter(obj2.getName(), str, &params2);
+      } else {
+	error(getPos(), "Bad filter name");
+	str = new EOFStream(str);
+      }
+      obj2.free();
+      params2.free();
+    }
+  } else if (!obj.isNull()) {
+    error(getPos(), "Bad 'Filter' attribute in stream");
+  }
+  obj.free();
+  params.free();
+
+  return str;
+}
+
+Stream *Stream::makeFilter(char *name, Stream *str, Object *params) {
+  int pred;			// parameters
+  int colors;
+  int bits;
+  int early;
+  int encoding;
+  GBool endOfLine, byteAlign, endOfBlock, black;
+  int columns, rows;
+  Object obj;
+
+  if (!strcmp(name, "ASCIIHexDecode") || !strcmp(name, "AHx")) {
+    str = new ASCIIHexStream(str);
+  } else if (!strcmp(name, "ASCII85Decode") || !strcmp(name, "A85")) {
+    str = new ASCII85Stream(str);
+  } else if (!strcmp(name, "LZWDecode") || !strcmp(name, "LZW")) {
+    pred = 1;
+    columns = 1;
+    colors = 1;
+    bits = 8;
+    early = 1;
+    if (params->isDict()) {
+      params->dictLookup("Predictor", &obj);
+      if (obj.isInt())
+	pred = obj.getInt();
+      obj.free();
+      params->dictLookup("Columns", &obj);
+      if (obj.isInt())
+	columns = obj.getInt();
+      obj.free();
+      params->dictLookup("Colors", &obj);
+      if (obj.isInt())
+	colors = obj.getInt();
+      obj.free();
+      params->dictLookup("BitsPerComponent", &obj);
+      if (obj.isInt())
+	bits = obj.getInt();
+      obj.free();
+      params->dictLookup("EarlyChange", &obj);
+      if (obj.isInt())
+	early = obj.getInt();
+      obj.free();
+    }
+    str = new LZWStream(str, pred, columns, colors, bits, early);
+  } else if (!strcmp(name, "RunLengthDecode") || !strcmp(name, "RL")) {
+    str = new RunLengthStream(str);
+  } else if (!strcmp(name, "CCITTFaxDecode") || !strcmp(name, "CCF")) {
+    encoding = 0;
+    endOfLine = gFalse;
+    byteAlign = gFalse;
+    columns = 1728;
+    rows = 0;
+    endOfBlock = gTrue;
+    black = gFalse;
+    if (params->isDict()) {
+      params->dictLookup("K", &obj);
+      if (obj.isInt()) {
+	encoding = obj.getInt();
+      }
+      obj.free();
+      params->dictLookup("EndOfLine", &obj);
+      if (obj.isBool()) {
+	endOfLine = obj.getBool();
+      }
+      obj.free();
+      params->dictLookup("EncodedByteAlign", &obj);
+      if (obj.isBool()) {
+	byteAlign = obj.getBool();
+      }
+      obj.free();
+      params->dictLookup("Columns", &obj);
+      if (obj.isInt()) {
+	columns = obj.getInt();
+      }
+      obj.free();
+      params->dictLookup("Rows", &obj);
+      if (obj.isInt()) {
+	rows = obj.getInt();
+      }
+      obj.free();
+      params->dictLookup("EndOfBlock", &obj);
+      if (obj.isBool()) {
+	endOfBlock = obj.getBool();
+      }
+      obj.free();
+      params->dictLookup("BlackIs1", &obj);
+      if (obj.isBool()) {
+	black = obj.getBool();
+      }
+      obj.free();
+    }
+    str = new CCITTFaxStream(str, encoding, endOfLine, byteAlign,
+			     columns, rows, endOfBlock, black);
+  } else if (!strcmp(name, "DCTDecode") || !strcmp(name, "DCT")) {
+    str = new DCTStream(str);
+  } else if (!strcmp(name, "FlateDecode") || !strcmp(name, "Fl")) {
+    pred = 1;
+    columns = 1;
+    colors = 1;
+    bits = 8;
+    if (params->isDict()) {
+      params->dictLookup("Predictor", &obj);
+      if (obj.isInt())
+	pred = obj.getInt();
+      obj.free();
+      params->dictLookup("Columns", &obj);
+      if (obj.isInt())
+	columns = obj.getInt();
+      obj.free();
+      params->dictLookup("Colors", &obj);
+      if (obj.isInt())
+	colors = obj.getInt();
+      obj.free();
+      params->dictLookup("BitsPerComponent", &obj);
+      if (obj.isInt())
+	bits = obj.getInt();
+      obj.free();
+    }
+    str = new FlateStream(str, pred, columns, colors, bits);
+  } else {
+    error(getPos(), "Unknown filter '%s'", name);
+    str = new EOFStream(str);
+  }
+  return str;
+}
+
+//------------------------------------------------------------------------
+// BaseStream
+//------------------------------------------------------------------------
+
+BaseStream::BaseStream(Object *dictA) {
+  dict = *dictA;
+#ifndef NO_DECRYPTION
+  decrypt = NULL;
+#endif
+}
+
+BaseStream::~BaseStream() {
+  dict.free();
+#ifndef NO_DECRYPTION
+  if (decrypt)
+    delete decrypt;
+#endif
+}
+
+#ifndef NO_DECRYPTION
+void BaseStream::doDecryption(Guchar *fileKey, int keyLength,
+			      int objNum, int objGen) {
+  decrypt = new Decrypt(fileKey, keyLength, objNum, objGen);
+}
+#endif
+
+//------------------------------------------------------------------------
+// FilterStream
+//------------------------------------------------------------------------
+
+FilterStream::FilterStream(Stream *strA) {
+  str = strA;
+}
+
+FilterStream::~FilterStream() {
+}
+
+void FilterStream::close() {
+  str->close();
+}
+
+void FilterStream::setPos(int pos) {
+  error(-1, "Internal: called setPos() on FilterStream");
+}
+
+//------------------------------------------------------------------------
+// ImageStream
+//------------------------------------------------------------------------
+
+ImageStream::ImageStream(Stream *strA, int widthA, int nCompsA, int nBitsA) {
+  int imgLineSize;
+
+  str = strA;
+  width = widthA;
+  nComps = nCompsA;
+  nBits = nBitsA;
+
+  nVals = width * nComps;
+  if (nBits == 1) {
+    imgLineSize = (nVals + 7) & ~7;
+  } else {
+    imgLineSize = nVals;
+  }
+  imgLine = (Guchar *)gmalloc(imgLineSize * sizeof(Guchar));
+  imgIdx = nVals;
+}
+
+ImageStream::~ImageStream() {
+  gfree(imgLine);
+}
+
+void ImageStream::reset() {
+  str->reset();
+}
+
+GBool ImageStream::getPixel(Guchar *pix) {
+  Gulong buf, bitMask;
+  int bits;
+  int c;
+  int i;
+
+  if (imgIdx >= nVals) {
+
+    // read one line of image pixels
+    if (nBits == 1) {
+      for (i = 0; i < nVals; i += 8) {
+	c = str->getChar();
+	imgLine[i+0] = (Guchar)((c >> 7) & 1);
+	imgLine[i+1] = (Guchar)((c >> 6) & 1);
+	imgLine[i+2] = (Guchar)((c >> 5) & 1);
+	imgLine[i+3] = (Guchar)((c >> 4) & 1);
+	imgLine[i+4] = (Guchar)((c >> 3) & 1);
+	imgLine[i+5] = (Guchar)((c >> 2) & 1);
+	imgLine[i+6] = (Guchar)((c >> 1) & 1);
+	imgLine[i+7] = (Guchar)(c & 1);
+      }
+    } else if (nBits == 8) {
+      for (i = 0; i < nVals; ++i) {
+	imgLine[i] = str->getChar();
+      }
+    } else {
+      bitMask = (1 << nBits) - 1;
+      buf = 0;
+      bits = 0;
+      for (i = 0; i < nVals; ++i) {
+	if (bits < nBits) {
+	  buf = (buf << 8) | (str->getChar() & 0xff);
+	  bits += 8;
+	}
+	imgLine[i] = (Guchar)((buf >> (bits - nBits)) & bitMask);
+	bits -= nBits;
+      }
+    }
+
+    // reset to start of line
+    imgIdx = 0;
+  }
+
+  for (i = 0; i < nComps; ++i)
+    pix[i] = imgLine[imgIdx++];
+  return gTrue;
+}
+
+void ImageStream::skipLine() {
+  int n, i;
+
+  n = (nVals * nBits + 7) >> 3;
+  for (i = 0; i < n; ++i) {
+    str->getChar();
+  }
+}
+
+//------------------------------------------------------------------------
+// StreamPredictor
+//------------------------------------------------------------------------
+
+StreamPredictor::StreamPredictor(Stream *strA, int predictorA,
+				 int widthA, int nCompsA, int nBitsA) {
+  str = strA;
+  predictor = predictorA;
+  width = widthA;
+  nComps = nCompsA;
+  nBits = nBitsA;
+
+  nVals = width * nComps;
+  pixBytes = (nComps * nBits + 7) >> 3;
+  rowBytes = ((nVals * nBits + 7) >> 3) + pixBytes;
+  predLine = (Guchar *)gmalloc(rowBytes);
+  memset(predLine, 0, rowBytes);
+  predIdx = rowBytes;
+}
+
+StreamPredictor::~StreamPredictor() {
+  gfree(predLine);
+}
+
+int StreamPredictor::lookChar() {
+  if (predIdx >= rowBytes) {
+    if (!getNextLine()) {
+      return EOF;
+    }
+  }
+  return predLine[predIdx];
+}
+
+int StreamPredictor::getChar() {
+  if (predIdx >= rowBytes) {
+    if (!getNextLine()) {
+      return EOF;
+    }
+  }
+  return predLine[predIdx++];
+}
+
+GBool StreamPredictor::getNextLine() {
+  int curPred;
+  Guchar upLeftBuf[4];
+  int left, up, upLeft, p, pa, pb, pc;
+  int c;
+  Gulong inBuf, outBuf, bitMask;
+  int inBits, outBits;
+  int i, j, k;
+
+  // get PNG optimum predictor number
+  if (predictor == 15) {
+    if ((curPred = str->getRawChar()) == EOF) {
+      return gFalse;
+    }
+    curPred += 10;
+  } else {
+    curPred = predictor;
+  }
+
+  // read the raw line, apply PNG (byte) predictor
+  upLeftBuf[0] = upLeftBuf[1] = upLeftBuf[2] = upLeftBuf[3] = 0;
+  for (i = pixBytes; i < rowBytes; ++i) {
+    upLeftBuf[3] = upLeftBuf[2];
+    upLeftBuf[2] = upLeftBuf[1];
+    upLeftBuf[1] = upLeftBuf[0];
+    upLeftBuf[0] = predLine[i];
+    if ((c = str->getRawChar()) == EOF) {
+      break;
+    }
+    switch (curPred) {
+    case 11:			// PNG sub
+      predLine[i] = predLine[i - pixBytes] + (Guchar)c;
+      break;
+    case 12:			// PNG up
+      predLine[i] = predLine[i] + (Guchar)c;
+      break;
+    case 13:			// PNG average
+      predLine[i] = ((predLine[i - pixBytes] + predLine[i]) >> 1) +
+	            (Guchar)c;
+      break;
+    case 14:			// PNG Paeth
+      left = predLine[i - pixBytes];
+      up = predLine[i];
+      upLeft = upLeftBuf[pixBytes];
+      p = left + up - upLeft;
+      if ((pa = p - left) < 0)
+	pa = -pa;
+      if ((pb = p - up) < 0)
+	pb = -pb;
+      if ((pc = p - upLeft) < 0)
+	pc = -pc;
+      if (pa <= pb && pa <= pc)
+	predLine[i] = pa + (Guchar)c;
+      else if (pb <= pc)
+	predLine[i] = pb + (Guchar)c;
+      else
+	predLine[i] = pc + (Guchar)c;
+      break;
+    case 10:			// PNG none
+    default:			// no predictor or TIFF predictor
+      predLine[i] = (Guchar)c;
+      break;
+    }
+  }
+
+  // apply TIFF (component) predictor
+  //~ this is completely untested
+  if (predictor == 2) {
+    if (nBits == 1) {
+      inBuf = predLine[pixBytes - 1];
+      for (i = pixBytes; i < rowBytes; i += 8) {
+	// 1-bit add is just xor
+	inBuf = (inBuf << 8) | predLine[i];
+	predLine[i] ^= inBuf >> nComps;
+      }
+    } else if (nBits == 8) {
+      for (i = pixBytes; i < rowBytes; ++i) {
+	predLine[i] += predLine[i - nComps];
+      }
+    } else {
+      upLeftBuf[0] = upLeftBuf[1] = upLeftBuf[2] = upLeftBuf[3] = 0;
+      bitMask = (1 << nBits) - 1;
+      inBuf = outBuf = 0;
+      inBits = outBits = 0;
+      j = k = pixBytes;
+      for (i = 0; i < nVals; ++i) {
+	if (inBits < nBits) {
+	  inBuf = (inBuf << 8) | (predLine[j++] & 0xff);
+	  inBits += 8;
+	}
+	upLeftBuf[3] = upLeftBuf[2];
+	upLeftBuf[2] = upLeftBuf[1];
+	upLeftBuf[1] = upLeftBuf[0];
+	upLeftBuf[0] = (upLeftBuf[nComps] +
+			(inBuf >> (inBits - nBits))) & bitMask;
+	outBuf = (outBuf << nBits) | upLeftBuf[0];
+	inBits -= nBits;
+	outBits += nBits;
+	if (outBits > 8) {
+	  predLine[k++] = (Guchar)(outBuf >> (outBits - 8));
+	}
+      }
+      if (outBits > 0) {
+	predLine[k++] = (Guchar)(outBuf << (8 - outBits));
+      }
+    }
+  }
+
+  // reset to start of line
+  predIdx = pixBytes;
+
+  return gTrue;
+}
+
+//------------------------------------------------------------------------
+// FileStream
+//------------------------------------------------------------------------
+
+FileStream::FileStream(FILE *fA, int startA, int lengthA, Object *dictA):
+    BaseStream(dictA) {
+  f = fA;
+  start = startA;
+  length = lengthA;
+  bufPtr = bufEnd = buf;
+  bufPos = start;
+  savePos = -1;
+}
+
+FileStream::~FileStream() {
+  close();
+}
+
+Stream *FileStream::makeSubStream(int startA, int lengthA, Object *dictA) {
+  return new FileStream(f, startA, lengthA, dictA);
+}
+
+void FileStream::reset() {
+  savePos = (int)ftell(f);
+  fseek(f, start, SEEK_SET);
+  bufPtr = bufEnd = buf;
+  bufPos = start;
+#ifndef NO_DECRYPTION
+  if (decrypt)
+    decrypt->reset();
+#endif
+}
+
+void FileStream::close() {
+  if (savePos >= 0) {
+    fseek(f, savePos, SEEK_SET);
+    savePos = -1;
+  }
+}
+
+GBool FileStream::fillBuf() {
+  int n;
+#ifndef NO_DECRYPTION
+  char *p;
+#endif
+
+  bufPos += bufEnd - buf;
+  bufPtr = bufEnd = buf;
+  if (length >= 0 && bufPos >= start + length) {
+    return gFalse;
+  }
+  if (length >= 0 && bufPos + fileStreamBufSize > start + length) {
+    n = start + length - bufPos;
+  } else {
+    n = fileStreamBufSize;
+  }
+  n = fread(buf, 1, n, f);
+  bufEnd = buf + n;
+  if (bufPtr >= bufEnd) {
+    return gFalse;
+  }
+#ifndef NO_DECRYPTION
+  if (decrypt) {
+    for (p = buf; p < bufEnd; ++p) {
+      *p = (char)decrypt->decryptByte((Guchar)*p);
+    }
+  }
+#endif
+  return gTrue;
+}
+
+void FileStream::setPos(int pos) {
+  long size;
+
+  if (pos >= 0) {
+    fseek(f, pos, SEEK_SET);
+    bufPos = pos;
+  } else {
+    fseek(f, 0, SEEK_END);
+    size = ftell(f);
+    if (pos < -size)
+      pos = (int)(-size);
+#ifdef __CYGWIN32__
+    //~ work around a bug in cygwin's implementation of fseek
+    rewind(f);
+#endif
+    fseek(f, pos, SEEK_END);
+    bufPos = (int)ftell(f);
+  }
+  bufPtr = bufEnd = buf;
+}
+
+void FileStream::moveStart(int delta) {
+  start += delta;
+  bufPtr = bufEnd = buf;
+  bufPos = start;
+}
+
+//------------------------------------------------------------------------
+// EmbedStream
+//------------------------------------------------------------------------
+
+EmbedStream::EmbedStream(Stream *strA, Object *dictA):
+    BaseStream(dictA) {
+  str = strA;
+}
+
+EmbedStream::~EmbedStream() {
+}
+
+Stream *EmbedStream::makeSubStream(int start, int length, Object *dictA) {
+  error(-1, "Internal: called makeSubStream() on EmbedStream");
+  return NULL;
+}
+
+void EmbedStream::setPos(int pos) {
+  error(-1, "Internal: called setPos() on EmbedStream");
+}
+
+int EmbedStream::getStart() {
+  error(-1, "Internal: called getStart() on EmbedStream");
+  return 0;
+}
+
+void EmbedStream::moveStart(int start) {
+  error(-1, "Internal: called moveStart() on EmbedStream");
+}
+
+//------------------------------------------------------------------------
+// ASCIIHexStream
+//------------------------------------------------------------------------
+
+ASCIIHexStream::ASCIIHexStream(Stream *strA):
+    FilterStream(strA) {
+  buf = EOF;
+  eof = gFalse;
+}
+
+ASCIIHexStream::~ASCIIHexStream() {
+  delete str;
+}
+
+void ASCIIHexStream::reset() {
+  str->reset();
+  buf = EOF;
+  eof = gFalse;
+}
+
+int ASCIIHexStream::lookChar() {
+  int c1, c2, x;
+
+  if (buf != EOF)
+    return buf;
+  if (eof) {
+    buf = EOF;
+    return EOF;
+  }
+  do {
+    c1 = str->getChar();
+  } while (isspace(c1));
+  if (c1 == '>') {
+    eof = gTrue;
+    buf = EOF;
+    return buf;
+  }
+  do {
+    c2 = str->getChar();
+  } while (isspace(c2));
+  if (c2 == '>') {
+    eof = gTrue;
+    c2 = '0';
+  }
+  if (c1 >= '0' && c1 <= '9') {
+    x = (c1 - '0') << 4;
+  } else if (c1 >= 'A' && c1 <= 'F') {
+    x = (c1 - 'A' + 10) << 4;
+  } else if (c1 >= 'a' && c1 <= 'f') {
+    x = (c1 - 'a' + 10) << 4;
+  } else if (c1 == EOF) {
+    eof = gTrue;
+    x = 0;
+  } else {
+    error(getPos(), "Illegal character <%02x> in ASCIIHex stream", c1);
+    x = 0;
+  }
+  if (c2 >= '0' && c2 <= '9') {
+    x += c2 - '0';
+  } else if (c2 >= 'A' && c2 <= 'F') {
+    x += c2 - 'A' + 10;
+  } else if (c2 >= 'a' && c2 <= 'f') {
+    x += c2 - 'a' + 10;
+  } else if (c2 == EOF) {
+    eof = gTrue;
+    x = 0;
+  } else {
+    error(getPos(), "Illegal character <%02x> in ASCIIHex stream", c2);
+  }
+  buf = x & 0xff;
+  return buf;
+}
+
+GString *ASCIIHexStream::getPSFilter(char *indent) {
+  GString *s;
+
+  if (!(s = str->getPSFilter(indent))) {
+    return NULL;
+  }
+  s->append(indent)->append("/ASCIIHexDecode filter\n");
+  return s;
+}
+
+GBool ASCIIHexStream::isBinary(GBool last) {
+  return str->isBinary(gFalse);
+}
+
+//------------------------------------------------------------------------
+// ASCII85Stream
+//------------------------------------------------------------------------
+
+ASCII85Stream::ASCII85Stream(Stream *strA):
+    FilterStream(strA) {
+  index = n = 0;
+  eof = gFalse;
+}
+
+ASCII85Stream::~ASCII85Stream() {
+  delete str;
+}
+
+void ASCII85Stream::reset() {
+  str->reset();
+  index = n = 0;
+  eof = gFalse;
+}
+
+int ASCII85Stream::lookChar() {
+  int k;
+  Gulong t;
+
+  if (index >= n) {
+    if (eof)
+      return EOF;
+    index = 0;
+    do {
+      c[0] = str->getChar();
+    } while (c[0] == '\n' || c[0] == '\r');
+    if (c[0] == '~' || c[0] == EOF) {
+      eof = gTrue;
+      n = 0;
+      return EOF;
+    } else if (c[0] == 'z') {
+      b[0] = b[1] = b[2] = b[3] = 0;
+      n = 4;
+    } else {
+      for (k = 1; k < 5; ++k) {
+	do {
+	  c[k] = str->getChar();
+	} while (c[k] == '\n' || c[k] == '\r');
+	if (c[k] == '~' || c[k] == EOF)
+	  break;
+      }
+      n = k - 1;
+      if (k < 5 && (c[k] == '~' || c[k] == EOF)) {
+	for (++k; k < 5; ++k)
+	  c[k] = 0x21 + 84;
+	eof = gTrue;
+      }
+      t = 0;
+      for (k = 0; k < 5; ++k)
+	t = t * 85 + (c[k] - 0x21);
+      for (k = 3; k >= 0; --k) {
+	b[k] = (int)(t & 0xff);
+	t >>= 8;
+      }
+    }
+  }
+  return b[index];
+}
+
+GString *ASCII85Stream::getPSFilter(char *indent) {
+  GString *s;
+
+  if (!(s = str->getPSFilter(indent))) {
+    return NULL;
+  }
+  s->append(indent)->append("/ASCII85Decode filter\n");
+  return s;
+}
+
+GBool ASCII85Stream::isBinary(GBool last) {
+  return str->isBinary(gFalse);
+}
+
+//------------------------------------------------------------------------
+// LZWStream
+//------------------------------------------------------------------------
+
+LZWStream::LZWStream(Stream *strA, int predictor, int columns, int colors,
+		     int bits, int earlyA):
+    FilterStream(strA) {
+  if (predictor != 1) {
+    pred = new StreamPredictor(this, predictor, columns, colors, bits);
+  } else {
+    pred = NULL;
+  }
+  early = earlyA;
+  zPipe = NULL;
+  bufPtr = bufEnd = buf;
+}
+
+LZWStream::~LZWStream() {
+  if (zPipe) {
+#ifdef HAVE_POPEN
+    pclose(zPipe);
+#else
+    fclose(zPipe);
+#endif
+    zPipe = NULL;
+    unlink(zName->getCString());
+    delete zName;
+  }
+  if (pred) {
+    delete pred;
+  }
+  delete str;
+}
+
+int LZWStream::getChar() {
+  if (pred) {
+    return pred->getChar();
+  }
+  return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff);
+}
+
+int LZWStream::lookChar() {
+  if (pred) {
+    return pred->lookChar();
+  }
+  return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff);
+}
+
+int LZWStream::getRawChar() {
+  return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff);
+}
+
+void LZWStream::reset() {
+  FILE *f;
+  GString *zCmd;
+
+  //----- close old LZW stream
+  if (zPipe) {
+#ifdef HAVE_POPEN
+    pclose(zPipe);
+#else
+    fclose(zPipe);
+#endif
+    zPipe = NULL;
+    unlink(zName->getCString());
+    delete zName;
+  }
+
+  //----- tell Delorie runtime to spawn a new instance of COMMAND.COM
+  //      to run gzip
+#if __DJGPP__
+  if (!setDJSYSFLAGS) {
+    setenv("DJSYSFLAGS", "0x0002", 0);
+    setDJSYSFLAGS = gTrue;
+  }
+#endif
+
+  //----- create the .Z file
+  if (!openTempFile(&zName, &f, "wb", ".Z")) {
+    error(getPos(), "Couldn't create temporary file for LZW stream");
+    return;
+  }
+  dumpFile(f);
+  fclose(f);
+
+  //----- execute uncompress / gzip
+  zCmd = new GString(uncompressCmd);
+  zCmd->append(' ');
+  zCmd->append(zName);
+#if defined(MACOS)
+  long magicCookie;
+  // first we open the engine up
+  OSErr err = OpenSITEngine(kUseExternalEngine, &magicCookie);
+  // if we found it - let's use it!
+  if (!err && magicCookie) {
+    // make sure we have the correct version of the Engine
+    if (GetSITEngineVersion(magicCookie) >= kFirstSupportedEngine) {
+      FSSpec myFSS;
+      Str255 pName;
+      strcpy((char *)pName, zName->getCString());
+      c2pstr((char *)pName);
+      FSMakeFSSpec(0, 0, pName, &myFSS);
+      short ftype = DetermineFileType(magicCookie, &myFSS);
+      OSErr expandErr = ExpandFSSpec(magicCookie, ftype, &myFSS,
+				     NULL, NULL, kCreateFolderNever,
+				     kDeleteOriginal, kTextConvertSmart);
+    }
+  }
+#elif defined(HAVE_POPEN)
+  if (!(zPipe = popen(zCmd->getCString(), POPEN_READ_MODE))) {
+    error(getPos(), "Couldn't popen '%s'", zCmd->getCString());
+    unlink(zName->getCString());
+    delete zName;
+    return;
+  }
+#else // HAVE_POPEN
+#ifdef VMS
+  if (!system(zCmd->getCString())) {
+#else
+  if (system(zCmd->getCString())) {
+#endif
+    error(getPos(), "Couldn't execute '%s'", zCmd->getCString());
+    unlink(zName->getCString());
+    delete zName;
+    return;
+  }
+  zName->del(zName->getLength() - 2, 2);
+  if (!(zPipe = fopen(zName->getCString(), "rb"))) {
+    error(getPos(), "Couldn't open uncompress file '%s'", zName->getCString());
+    unlink(zName->getCString());
+    delete zName;
+    return;
+  }
+#endif // HAVE_POPEN
+
+  //----- clean up
+  delete zCmd;
+
+  //----- initialize buffer
+  bufPtr = bufEnd = buf;
+}
+
+void LZWStream::dumpFile(FILE *f) {
+  int outCodeBits;		// size of output code
+  int outBits;			// max output code
+  int outBuf[8];		// output buffer
+  int outData;			// temporary output buffer
+  int inCode, outCode;		// input and output codes
+  int nextCode;			// next code index
+  GBool eof;			// set when EOF is reached
+  GBool clear;			// set if table needs to be cleared
+  GBool first;			// indicates first code word after clear
+  int i, j;
+
+  str->reset();
+
+  // magic number
+  fputc(0x1f, f);
+  fputc(0x9d, f);
+
+  // max code length, block mode flag
+  fputc(0x8c, f);
+
+  // init input side
+  inCodeBits = 9;
+  inputBuf = 0;
+  inputBits = 0;
+  eof = gFalse;
+
+  // init output side
+  outCodeBits = 9;
+
+  // clear table
+  first = gTrue;
+  nextCode = 258;
+
+  clear = gFalse;
+  do {
+    for (i = 0; i < 8; ++i) {
+      // check for table overflow
+      if (nextCode + early > 0x1001) {
+	inCode = 256;
+
+      // read input code
+      } else {
+	do {
+	  inCode = getCode();
+	  if (inCode == EOF) {
+	    eof = gTrue;
+	    inCode = 0;
+	  }
+	} while (first && inCode == 256);
+      }
+
+      // compute output code
+      if (inCode < 256) {
+	outCode = inCode;
+      } else if (inCode == 256) {
+	outCode = 256;
+	clear = gTrue;
+      } else if (inCode == 257) {
+	outCode = 0;
+	eof = gTrue;
+      } else {
+	outCode = inCode - 1;
+      }
+      outBuf[i] = outCode;
+
+      // next code index
+      if (first)
+	first = gFalse;
+      else
+	++nextCode;
+
+      // check input code size
+      if (nextCode + early == 0x200)
+	inCodeBits = 10;
+      else if (nextCode + early == 0x400) {
+	inCodeBits = 11;
+      } else if (nextCode + early == 0x800) {
+	inCodeBits = 12;
+      }
+
+      // check for eof/clear
+      if (eof)
+	break;
+      if (clear) {
+	i = 8;
+	break;
+      }
+    }
+
+    // write output block
+    outData = 0;
+    outBits = 0;
+    j = 0;
+    while (j < i || outBits > 0) {
+      if (outBits < 8 && j < i) {
+	outData = outData | (outBuf[j++] << outBits);
+	outBits += outCodeBits;
+      }
+      fputc(outData & 0xff, f);
+      outData >>= 8;
+      outBits -= 8;
+    }
+
+    // check output code size
+    if (nextCode - 1 == 512 ||
+	nextCode - 1 == 1024 ||
+	nextCode - 1 == 2048 ||
+	nextCode - 1 == 4096) {
+      outCodeBits = inCodeBits;
+    }
+
+    // clear table if necessary
+    if (clear) {
+      inCodeBits = 9;
+      outCodeBits = 9;
+      first = gTrue;
+      nextCode = 258;
+      clear = gFalse;
+    }
+  } while (!eof);
+}
+
+int LZWStream::getCode() {
+  int c;
+  int code;
+
+  while (inputBits < inCodeBits) {
+    if ((c = str->getChar()) == EOF)
+      return EOF;
+    inputBuf = (inputBuf << 8) | (c & 0xff);
+    inputBits += 8;
+  }
+  code = (inputBuf >> (inputBits - inCodeBits)) & ((1 << inCodeBits) - 1);
+  inputBits -= inCodeBits;
+  return code;
+}
+
+GBool LZWStream::fillBuf() {
+  int n;
+
+  if (!zPipe)
+    return gFalse;
+  if ((n = fread(buf, 1, 256, zPipe)) < 256) {
+#ifdef HAVE_POPEN
+    pclose(zPipe);
+#else
+    fclose(zPipe);
+#endif
+    zPipe = NULL;
+    unlink(zName->getCString());
+    delete zName;
+  }
+  bufPtr = buf;
+  bufEnd = buf + n;
+  return n > 0;
+}
+
+GString *LZWStream::getPSFilter(char *indent) {
+  GString *s;
+
+  if (pred) {
+    return NULL;
+  }
+  if (!(s = str->getPSFilter(indent))) {
+    return NULL;
+  }
+  s->append(indent)->append("/LZWDecode filter\n");
+  return s;
+}
+
+GBool LZWStream::isBinary(GBool last) {
+  return str->isBinary(gTrue);
+}
+
+//------------------------------------------------------------------------
+// RunLengthStream
+//------------------------------------------------------------------------
+
+RunLengthStream::RunLengthStream(Stream *strA):
+    FilterStream(strA) {
+  bufPtr = bufEnd = buf;
+  eof = gFalse;
+}
+
+RunLengthStream::~RunLengthStream() {
+  delete str;
+}
+
+void RunLengthStream::reset() {
+  str->reset();
+  bufPtr = bufEnd = buf;
+  eof = gFalse;
+}
+
+GString *RunLengthStream::getPSFilter(char *indent) {
+  GString *s;
+
+  if (!(s = str->getPSFilter(indent))) {
+    return NULL;
+  }
+  s->append(indent)->append("/RunLengthDecode filter\n");
+  return s;
+}
+
+GBool RunLengthStream::isBinary(GBool last) {
+  return str->isBinary(gTrue);
+}
+
+GBool RunLengthStream::fillBuf() {
+  int c;
+  int n, i;
+
+  if (eof)
+    return gFalse;
+  c = str->getChar();
+  if (c == 0x80 || c == EOF) {
+    eof = gTrue;
+    return gFalse;
+  }
+  if (c < 0x80) {
+    n = c + 1;
+    for (i = 0; i < n; ++i)
+      buf[i] = (char)str->getChar();
+  } else {
+    n = 0x101 - c;
+    c = str->getChar();
+    for (i = 0; i < n; ++i)
+      buf[i] = (char)c;
+  }
+  bufPtr = buf;
+  bufEnd = buf + n;
+  return gTrue;
+}
+
+//------------------------------------------------------------------------
+// CCITTFaxStream
+//------------------------------------------------------------------------
+
+CCITTFaxStream::CCITTFaxStream(Stream *strA, int encodingA, GBool endOfLineA,
+			       GBool byteAlignA, int columnsA, int rowsA,
+			       GBool endOfBlockA, GBool blackA):
+    FilterStream(strA) {
+  encoding = encodingA;
+  endOfLine = endOfLineA;
+  byteAlign = byteAlignA;
+  columns = columnsA;
+  rows = rowsA;
+  endOfBlock = endOfBlockA;
+  black = blackA;
+  refLine = (short *)gmalloc((columns + 3) * sizeof(short));
+  codingLine = (short *)gmalloc((columns + 2) * sizeof(short));
+
+  eof = gFalse;
+  row = 0;
+  nextLine2D = encoding < 0;
+  inputBits = 0;
+  codingLine[0] = 0;
+  codingLine[1] = refLine[2] = columns;
+  a0 = 1;
+
+  buf = EOF;
+}
+
+CCITTFaxStream::~CCITTFaxStream() {
+  delete str;
+  gfree(refLine);
+  gfree(codingLine);
+}
+
+void CCITTFaxStream::reset() {
+  int n;
+
+  str->reset();
+  eof = gFalse;
+  row = 0;
+  nextLine2D = encoding < 0;
+  inputBits = 0;
+  codingLine[0] = 0;
+  codingLine[1] = refLine[2] = columns;
+  a0 = 1;
+  buf = EOF;
+
+  // get initial end-of-line marker and 2D encoding tag
+  if (endOfBlock) {
+    if (lookBits(12) == 0x001) {
+      eatBits(12);
+    }
+  } else {
+    for (n = 0; n < 11 && lookBits(n) == 0; ++n) ;
+    if (n == 11 && lookBits(12) == 0x001) {
+      eatBits(12);
+    }
+  }
+  if (encoding > 0) {
+    nextLine2D = !lookBits(1);
+    eatBits(1);
+  }
+}
+
+int CCITTFaxStream::lookChar() {
+  short code1, code2, code3;
+  int a0New;
+#if 0 //~
+  GBool err;
+#endif
+  GBool gotEOL;
+  int ret;
+  int bits, i;
+
+  // if at eof just return EOF
+  if (eof && codingLine[a0] >= columns) {
+    return EOF;
+  }
+
+  // read the next row
+#if 0 //~
+  err = gFalse;
+#endif
+  if (codingLine[a0] >= columns) {
+
+    // 2-D encoding
+    if (nextLine2D) {
+      for (i = 0; codingLine[i] < columns; ++i)
+	refLine[i] = codingLine[i];
+      refLine[i] = refLine[i + 1] = columns;
+      b1 = 1;
+      a0New = codingLine[a0 = 0] = 0;
+      do {
+	code1 = getTwoDimCode();
+	switch (code1) {
+	case twoDimPass:
+	  if (refLine[b1] < columns) {
+	    a0New = refLine[b1 + 1];
+	    b1 += 2;
+	  }
+	  break;
+	case twoDimHoriz:
+	  if ((a0 & 1) == 0) {
+	    code1 = code2 = 0;
+	    do {
+	      code1 += code3 = getWhiteCode();
+	    } while (code3 >= 64);
+	    do {
+	      code2 += code3 = getBlackCode();
+	    } while (code3 >= 64);
+	  } else {
+	    code1 = code2 = 0;
+	    do {
+	      code1 += code3 = getBlackCode();
+	    } while (code3 >= 64);
+	    do {
+	      code2 += code3 = getWhiteCode();
+	    } while (code3 >= 64);
+	  }
+	  codingLine[a0 + 1] = a0New + code1;
+	  ++a0;
+	  a0New = codingLine[a0 + 1] = codingLine[a0] + code2;
+	  ++a0;
+	  while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	    b1 += 2;
+	  break;
+	case twoDimVert0:
+	  a0New = codingLine[++a0] = refLine[b1];
+	  if (refLine[b1] < columns) {
+	    ++b1;
+	    while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	      b1 += 2;
+	  }
+	  break;
+	case twoDimVertR1:
+	  a0New = codingLine[++a0] = refLine[b1] + 1;
+	  if (refLine[b1] < columns) {
+	    ++b1;
+	    while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	      b1 += 2;
+	  }
+	  break;
+	case twoDimVertL1:
+	  a0New = codingLine[++a0] = refLine[b1] - 1;
+	  --b1;
+	  while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	    b1 += 2;
+	  break;
+	case twoDimVertR2:
+	  a0New = codingLine[++a0] = refLine[b1] + 2;
+	  if (refLine[b1] < columns) {
+	    ++b1;
+	    while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	      b1 += 2;
+	  }
+	  break;
+	case twoDimVertL2:
+	  a0New = codingLine[++a0] = refLine[b1] - 2;
+	  --b1;
+	  while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	    b1 += 2;
+	  break;
+	case twoDimVertR3:
+	  a0New = codingLine[++a0] = refLine[b1] + 3;
+	  if (refLine[b1] < columns) {
+	    ++b1;
+	    while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	      b1 += 2;
+	  }
+	  break;
+	case twoDimVertL3:
+	  a0New = codingLine[++a0] = refLine[b1] - 3;
+	  --b1;
+	  while (refLine[b1] <= codingLine[a0] && refLine[b1] < columns)
+	    b1 += 2;
+	  break;
+	case EOF:
+	  eof = gTrue;
+	  codingLine[a0 = 0] = columns;
+	  return EOF;
+	default:
+	  error(getPos(), "Bad 2D code %04x in CCITTFax stream", code1);
+#if 0 //~
+	  err = gTrue;
+	  break;
+#else
+	  eof = gTrue;
+	  return EOF;
+#endif
+	}
+      } while (codingLine[a0] < columns);
+
+    // 1-D encoding
+    } else {
+      codingLine[a0 = 0] = 0;
+      while (1) {
+	code1 = 0;
+	do {
+	  code1 += code3 = getWhiteCode();
+	} while (code3 >= 64);
+	codingLine[a0+1] = codingLine[a0] + code1;
+	++a0;
+	if (codingLine[a0] >= columns)
+	  break;
+	code2 = 0;
+	do {
+	  code2 += code3 = getBlackCode();
+	} while (code3 >= 64);
+	codingLine[a0+1] = codingLine[a0] + code2;
+	++a0;
+	if (codingLine[a0] >= columns)
+	  break;
+      }
+    }
+
+    if (codingLine[a0] != columns) {
+      error(getPos(), "CCITTFax row is wrong length (%d)", codingLine[a0]);
+#if 0 //~
+      err = gTrue;
+#endif
+    }
+
+    // byte-align the row
+    if (byteAlign) {
+      inputBits &= ~7;
+    }
+
+    // check for end-of-line marker, skipping over any extra zero bits
+    gotEOL = gFalse;
+    if (!endOfBlock && row == rows - 1) {
+      eof = gTrue;
+    } else {
+      code1 = lookBits(12);
+      while (code1 == 0) {
+	eatBits(1);
+	code1 = lookBits(12);
+      }
+      if (code1 == 0x001) {
+	eatBits(12);
+	gotEOL = gTrue;
+      } else if (code1 == EOF) {
+	eof = gTrue;
+      }
+    }
+
+    // get 2D encoding tag
+    if (!eof && encoding > 0) {
+      nextLine2D = !lookBits(1);
+      eatBits(1);
+    }
+
+    // check for end-of-block marker
+    if (endOfBlock && gotEOL) {
+      code1 = lookBits(12);
+      if (code1 == 0x001) {
+	eatBits(12);
+	if (encoding > 0) {
+	  lookBits(1);
+	  eatBits(1);
+	}
+	if (encoding >= 0) {
+	  for (i = 0; i < 4; ++i) {
+	    code1 = lookBits(12);
+	    if (code1 != 0x001) {
+	      error(getPos(), "Bad RTC code in CCITTFax stream");
+	    }
+	    eatBits(12);
+	    if (encoding > 0) {
+	      lookBits(1);
+	      eatBits(1);
+	    }
+	  }
+	}
+	eof = gTrue;
+      }
+    }
+
+#if 0 //~
+    // This looks for an end-of-line marker after an error, however
+    // some (most?) CCITT streams in PDF files don't use end-of-line
+    // markers, and the just-plow-on technique works better in those
+    // cases.
+    else if (err) {
+      do {
+	if (code1 == EOF) {
+	  eof = gTrue;
+	  return EOF;
+	}
+	eatBits(1);
+	code1 = look13Bits();
+      } while ((code1 >> 1) != 0x001);
+      eatBits(12); 
+      codingLine[++a0] = columns;
+      if (encoding > 0) {
+	eatBits(1);
+	nextLine2D = !(code1 & 1);
+      }
+    }
+#endif
+
+    a0 = 0;
+    outputBits = codingLine[1] - codingLine[0];
+    if (outputBits == 0) {
+      a0 = 1;
+      outputBits = codingLine[2] - codingLine[1];
+    }
+
+    ++row;
+  }
+
+  // get a byte
+  if (outputBits >= 8) {
+    ret = ((a0 & 1) == 0) ? 0xff : 0x00;
+    if ((outputBits -= 8) == 0) {
+      ++a0;
+      if (codingLine[a0] < columns) {
+	outputBits = codingLine[a0 + 1] - codingLine[a0];
+      }
+    }
+  } else {
+    bits = 8;
+    ret = 0;
+    do {
+      if (outputBits > bits) {
+	i = bits;
+	bits = 0;
+	if ((a0 & 1) == 0) {
+	  ret |= 0xff >> (8 - i);
+	}
+	outputBits -= i;
+      } else {
+	i = outputBits;
+	bits -= outputBits;
+	if ((a0 & 1) == 0) {
+	  ret |= (0xff >> (8 - i)) << bits;
+	}
+	outputBits = 0;
+	++a0;
+	if (codingLine[a0] < columns) {
+	  outputBits = codingLine[a0 + 1] - codingLine[a0];
+	}
+      }
+    } while (bits > 0 && codingLine[a0] < columns);
+  }
+  buf = black ? (ret ^ 0xff) : ret;
+  return buf;
+}
+
+short CCITTFaxStream::getTwoDimCode() {
+  short code;
+  CCITTCode *p;
+  int n;
+
+  code = 0; // make gcc happy
+  if (endOfBlock) {
+    code = lookBits(7);
+    p = &twoDimTab1[code];
+    if (p->bits > 0) {
+      eatBits(p->bits);
+      return p->n;
+    }
+  } else {
+    for (n = 1; n <= 7; ++n) {
+      code = lookBits(n);
+      if (n < 7) {
+	code <<= 7 - n;
+      }
+      p = &twoDimTab1[code];
+      if (p->bits == n) {
+	eatBits(n);
+	return p->n;
+      }
+    }
+  }
+  error(getPos(), "Bad two dim code (%04x) in CCITTFax stream", code);
+  return EOF;
+}
+
+short CCITTFaxStream::getWhiteCode() {
+  short code;
+  CCITTCode *p;
+  int n;
+
+  code = 0; // make gcc happy
+  if (endOfBlock) {
+    code = lookBits(12);
+    if ((code >> 5) == 0) {
+      p = &whiteTab1[code];
+    } else {
+      p = &whiteTab2[code >> 3];
+    }
+    if (p->bits > 0) {
+      eatBits(p->bits);
+      return p->n;
+    }
+  } else {
+    for (n = 1; n <= 9; ++n) {
+      code = lookBits(n);
+      if (n < 9) {
+	code <<= 9 - n;
+      }
+      p = &whiteTab2[code];
+      if (p->bits == n) {
+	eatBits(n);
+	return p->n;
+      }
+    }
+    for (n = 11; n <= 12; ++n) {
+      code = lookBits(n);
+      if (n < 12) {
+	code <<= 12 - n;
+      }
+      p = &whiteTab1[code];
+      if (p->bits == n) {
+	eatBits(n);
+	return p->n;
+      }
+    }
+  }
+  error(getPos(), "Bad white code (%04x) in CCITTFax stream", code);
+  // eat a bit and return a positive number so that the caller doesn't
+  // go into an infinite loop
+  eatBits(1);
+  return 1;
+}
+
+short CCITTFaxStream::getBlackCode() {
+  short code;
+  CCITTCode *p;
+  int n;
+
+  code = 0; // make gcc happy
+  if (endOfBlock) {
+    code = lookBits(13);
+    if ((code >> 7) == 0) {
+      p = &blackTab1[code];
+    } else if ((code >> 9) == 0) {
+      p = &blackTab2[(code >> 1) - 64];
+    } else {
+      p = &blackTab3[code >> 7];
+    }
+    if (p->bits > 0) {
+      eatBits(p->bits);
+      return p->n;
+    }
+  } else {
+    for (n = 2; n <= 6; ++n) {
+      code = lookBits(n);
+      if (n < 6) {
+	code <<= 6 - n;
+      }
+      p = &blackTab3[code];
+      if (p->bits == n) {
+	eatBits(n);
+	return p->n;
+      }
+    }
+    for (n = 7; n <= 12; ++n) {
+      code = lookBits(n);
+      if (n < 12) {
+	code <<= 12 - n;
+      }
+      if (code >= 64) {
+	p = &blackTab2[code - 64];
+	if (p->bits == n) {
+	  eatBits(n);
+	  return p->n;
+	}
+      }
+    }
+    for (n = 10; n <= 13; ++n) {
+      code = lookBits(n);
+      if (n < 13) {
+	code <<= 13 - n;
+      }
+      p = &blackTab1[code];
+      if (p->bits == n) {
+	eatBits(n);
+	return p->n;
+      }
+    }
+  }
+  error(getPos(), "Bad black code (%04x) in CCITTFax stream", code);
+  // eat a bit and return a positive number so that the caller doesn't
+  // go into an infinite loop
+  eatBits(1);
+  return 1;
+}
+
+short CCITTFaxStream::lookBits(int n) {
+  int c;
+
+  while (inputBits < n) {
+    if ((c = str->getChar()) == EOF) {
+      if (inputBits == 0) {
+	return EOF;
+      }
+      // near the end of the stream, the caller may ask for more bits
+      // than are available, but there may still be a valid code in
+      // however many bits are available -- we need to return correct
+      // data in this case
+      return (inputBuf << (n - inputBits)) & (0xffff >> (16 - n));
+    }
+    inputBuf = (inputBuf << 8) + c;
+    inputBits += 8;
+  }
+  return (inputBuf >> (inputBits - n)) & (0xffff >> (16 - n));
+}
+
+GString *CCITTFaxStream::getPSFilter(char *indent) {
+  GString *s;
+  char s1[50];
+
+  if (!(s = str->getPSFilter(indent))) {
+    return NULL;
+  }
+  s->append(indent)->append("<< ");
+  if (encoding != 0) {
+    sprintf(s1, "/K %d ", encoding);
+    s->append(s1);
+  }
+  if (endOfLine) {
+    s->append("/EndOfLine true ");
+  }
+  if (byteAlign) {
+    s->append("/EncodedByteAlign true ");
+  }
+  sprintf(s1, "/Columns %d ", columns);
+  s->append(s1);
+  if (rows != 0) {
+    sprintf(s1, "/Rows %d ", rows);
+    s->append(s1);
+  }
+  if (!endOfBlock) {
+    s->append("/EndOfBlock false ");
+  }
+  if (black) {
+    s->append("/BlackIs1 true ");
+  }
+  s->append(">> /CCITTFaxDecode filter\n");
+  return s;
+}
+
+GBool CCITTFaxStream::isBinary(GBool last) {
+  return str->isBinary(gTrue);
+}
+
+//------------------------------------------------------------------------
+// DCTStream
+//------------------------------------------------------------------------
+
+// IDCT constants (20.12 fixed point format)
+#ifndef FP_IDCT
+#define dctCos1    4017		// cos(pi/16)
+#define dctSin1     799		// sin(pi/16)
+#define dctCos3    3406		// cos(3*pi/16)
+#define dctSin3    2276		// sin(3*pi/16)
+#define dctCos6    1567		// cos(6*pi/16)
+#define dctSin6    3784		// sin(6*pi/16)
+#define dctSqrt2   5793		// sqrt(2)
+#define dctSqrt1d2 2896		// sqrt(2) / 2
+#endif
+
+// IDCT constants
+#ifdef FP_IDCT
+#define dctCos1    0.98078528	// cos(pi/16)
+#define dctSin1    0.19509032	// sin(pi/16)
+#define dctCos3    0.83146961	// cos(3*pi/16)
+#define dctSin3    0.55557023	// sin(3*pi/16)
+#define dctCos6    0.38268343	// cos(6*pi/16)
+#define dctSin6    0.92387953	// sin(6*pi/16)
+#define dctSqrt2   1.41421356	// sqrt(2)
+#define dctSqrt1d2 0.70710678	// sqrt(2) / 2
+#endif
+
+// color conversion parameters (16.16 fixed point format)
+#define dctCrToR   91881	//  1.4020
+#define dctCbToG  -22553	// -0.3441363
+#define dctCrToG  -46802	// -0.71413636
+#define dctCbToB  116130	//  1.772
+
+// clip [-256,511] --> [0,255]
+#define dctClipOffset 256
+static Guchar dctClip[768];
+static int dctClipInit = 0;
+
+// zig zag decode map
+static int dctZigZag[64] = {
+   0,
+   1,  8,
+  16,  9,  2,
+   3, 10, 17, 24,
+  32, 25, 18, 11, 4,
+   5, 12, 19, 26, 33, 40,
+  48, 41, 34, 27, 20, 13,  6,
+   7, 14, 21, 28, 35, 42, 49, 56,
+  57, 50, 43, 36, 29, 22, 15,
+  23, 30, 37, 44, 51, 58,
+  59, 52, 45, 38, 31,
+  39, 46, 53, 60,
+  61, 54, 47,
+  55, 62,
+  63
+};
+
+DCTStream::DCTStream(Stream *strA):
+    FilterStream(strA) {
+  int i, j;
+
+  width = height = 0;
+  mcuWidth = mcuHeight = 0;
+  numComps = 0;
+  comp = 0;
+  x = y = dy = 0;
+  for (i = 0; i < 4; ++i)
+    for (j = 0; j < 32; ++j)
+      rowBuf[i][j] = NULL;
+
+  if (!dctClipInit) {
+    for (i = -256; i < 0; ++i)
+      dctClip[dctClipOffset + i] = 0;
+    for (i = 0; i < 256; ++i)
+      dctClip[dctClipOffset + i] = i;
+    for (i = 256; i < 512; ++i)
+      dctClip[dctClipOffset + i] = 255;
+    dctClipInit = 1;
+  }
+}
+
+DCTStream::~DCTStream() {
+  int i, j;
+
+  delete str;
+  for (i = 0; i < numComps; ++i)
+    for (j = 0; j < mcuHeight; ++j)
+      gfree(rowBuf[i][j]);
+}
+
+void DCTStream::reset() {
+  str->reset();
+  if (!readHeader()) {
+    y = height;
+    return;
+  }
+  restartMarker = 0xd0;
+  restart();
+}
+
+int DCTStream::getChar() {
+  int c;
+
+  c = lookChar();
+  if (c == EOF)
+    return EOF;
+  if (++comp == numComps) {
+    comp = 0;
+    if (++x == width) {
+      x = 0;
+      ++y;
+      ++dy;
+    }
+  }
+  if (y == height)
+    readTrailer();
+  return c;
+}
+
+int DCTStream::lookChar() {
+  if (y >= height)
+    return EOF;
+  if (dy >= mcuHeight) {
+    if (!readMCURow()) {
+      y = height;
+      return EOF;
+    }
+    comp = 0;
+    x = 0;
+    dy = 0;
+  }
+  return rowBuf[comp][dy][x];
+}
+
+void DCTStream::restart() {
+  int i;
+
+  inputBits = 0;
+  restartCtr = restartInterval;
+  for (i = 0; i < numComps; ++i)
+    compInfo[i].prevDC = 0;
+}
+
+GBool DCTStream::readMCURow() {
+  Guchar data[64];
+  Guchar *p1, *p2;
+  int pY, pCb, pCr, pR, pG, pB;
+  int h, v, horiz, vert, hSub, vSub;
+  int x1, x2, y2, x3, y3, x4, y4, x5, y5, cc, i;
+  int c;
+
+  for (x1 = 0; x1 < width; x1 += mcuWidth) {
+
+    // deal with restart marker
+    if (restartInterval > 0 && restartCtr == 0) {
+      c = readMarker();
+      if (c != restartMarker) {
+	error(getPos(), "Bad DCT data: incorrect restart marker");
+	return gFalse;
+      }
+      if (++restartMarker == 0xd8)
+	restartMarker = 0xd0;
+      restart();
+    }
+
+    // read one MCU
+    for (cc = 0; cc < numComps; ++cc) {
+      h = compInfo[cc].hSample;
+      v = compInfo[cc].vSample;
+      horiz = mcuWidth / h;
+      vert = mcuHeight / v;
+      hSub = horiz / 8;
+      vSub = vert / 8;
+      for (y2 = 0; y2 < mcuHeight; y2 += vert) {
+	for (x2 = 0; x2 < mcuWidth; x2 += horiz) {
+	  if (!readDataUnit(&dcHuffTables[compInfo[cc].dcHuffTable],
+			    &acHuffTables[compInfo[cc].acHuffTable],
+			    quantTables[compInfo[cc].quantTable],
+			    &compInfo[cc].prevDC,
+			    data))
+	    return gFalse;
+	  if (hSub == 1 && vSub == 1) {
+	    for (y3 = 0, i = 0; y3 < 8; ++y3, i += 8) {
+	      p1 = &rowBuf[cc][y2+y3][x1+x2];
+	      p1[0] = data[i];
+	      p1[1] = data[i+1];
+	      p1[2] = data[i+2];
+	      p1[3] = data[i+3];
+	      p1[4] = data[i+4];
+	      p1[5] = data[i+5];
+	      p1[6] = data[i+6];
+	      p1[7] = data[i+7];
+	    }
+	  } else if (hSub == 2 && vSub == 2) {
+	    for (y3 = 0, i = 0; y3 < 16; y3 += 2, i += 8) {
+	      p1 = &rowBuf[cc][y2+y3][x1+x2];
+	      p2 = &rowBuf[cc][y2+y3+1][x1+x2];
+	      p1[0] = p1[1] = p2[0] = p2[1] = data[i];
+	      p1[2] = p1[3] = p2[2] = p2[3] = data[i+1];
+	      p1[4] = p1[5] = p2[4] = p2[5] = data[i+2];
+	      p1[6] = p1[7] = p2[6] = p2[7] = data[i+3];
+	      p1[8] = p1[9] = p2[8] = p2[9] = data[i+4];
+	      p1[10] = p1[11] = p2[10] = p2[11] = data[i+5];
+	      p1[12] = p1[13] = p2[12] = p2[13] = data[i+6];
+	      p1[14] = p1[15] = p2[14] = p2[15] = data[i+7];
+	    }
+	  } else {
+	    i = 0;
+	    for (y3 = 0, y4 = 0; y3 < 8; ++y3, y4 += vSub) {
+	      for (x3 = 0, x4 = 0; x3 < 8; ++x3, x4 += hSub) {
+		for (y5 = 0; y5 < vSub; ++y5)
+		  for (x5 = 0; x5 < hSub; ++x5)
+		    rowBuf[cc][y2+y4+y5][x1+x2+x4+x5] = data[i];
+		++i;
+	      }
+	    }
+	  }
+	}
+      }
+    }
+    --restartCtr;
+
+    // color space conversion
+    if (colorXform) {
+      // convert YCbCr to RGB
+      if (numComps == 3) {
+	for (y2 = 0; y2 < mcuHeight; ++y2) {
+	  for (x2 = 0; x2 < mcuWidth; ++x2) {
+	    pY = rowBuf[0][y2][x1+x2];
+	    pCb = rowBuf[1][y2][x1+x2] - 128;
+	    pCr = rowBuf[2][y2][x1+x2] - 128;
+	    pR = ((pY << 16) + dctCrToR * pCr + 32768) >> 16;
+	    rowBuf[0][y2][x1+x2] = dctClip[dctClipOffset + pR];
+	    pG = ((pY << 16) + dctCbToG * pCb + dctCrToG * pCr + 32768) >> 16;
+	    rowBuf[1][y2][x1+x2] = dctClip[dctClipOffset + pG];
+	    pB = ((pY << 16) + dctCbToB * pCb + 32768) >> 16;
+	    rowBuf[2][y2][x1+x2] = dctClip[dctClipOffset + pB];
+	  }
+	}
+      // convert YCbCrK to CMYK (K is passed through unchanged)
+      } else if (numComps == 4) {
+	for (y2 = 0; y2 < mcuHeight; ++y2) {
+	  for (x2 = 0; x2 < mcuWidth; ++x2) {
+	    pY = rowBuf[0][y2][x1+x2];
+	    pCb = rowBuf[1][y2][x1+x2] - 128;
+	    pCr = rowBuf[2][y2][x1+x2] - 128;
+	    pR = ((pY << 16) + dctCrToR * pCr + 32768) >> 16;
+	    rowBuf[0][y2][x1+x2] = 255 - dctClip[dctClipOffset + pR];
+	    pG = ((pY << 16) + dctCbToG * pCb + dctCrToG * pCr + 32678) >> 16;
+	    rowBuf[1][y2][x1+x2] = 255 - dctClip[dctClipOffset + pG];
+	    pB = ((pY << 16) + dctCbToB * pCb + 32768) >> 16;
+	    rowBuf[2][y2][x1+x2] = 255 - dctClip[dctClipOffset + pB];
+	  }
+	}
+      }
+    }
+  }
+  return gTrue;
+}
+
+// This IDCT algorithm is taken from:
+//   Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,
+//   "Practical Fast 1-D DCT Algorithms with 11 Multiplications",
+//   IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,
+//   988-991.
+// The stage numbers mentioned in the comments refer to Figure 1 in this
+// paper.
+#ifndef FP_IDCT
+GBool DCTStream::readDataUnit(DCTHuffTable *dcHuffTable,
+			      DCTHuffTable *acHuffTable,
+			      Guchar quantTable[64], int *prevDC,
+			      Guchar data[64]) {
+  int tmp1[64];
+  int v0, v1, v2, v3, v4, v5, v6, v7, t;
+  int run, size, amp;
+  int c;
+  int i, j;
+
+  // Huffman decode and dequantize
+  size = readHuffSym(dcHuffTable);
+  if (size == 9999)
+    return gFalse;
+  if (size > 0) {
+    amp = readAmp(size);
+    if (amp == 9999)
+      return gFalse;
+  } else {
+    amp = 0;
+  }
+  tmp1[0] = (*prevDC += amp) * quantTable[0];
+  for (i = 1; i < 64; ++i)
+    tmp1[i] = 0;
+  i = 1;
+  while (i < 64) {
+    run = 0;
+    while ((c = readHuffSym(acHuffTable)) == 0xf0 && run < 0x30)
+      run += 0x10;
+    if (c == 9999)
+      return gFalse;
+    if (c == 0x00) {
+      break;
+    } else {
+      run += (c >> 4) & 0x0f;
+      size = c & 0x0f;
+      amp = readAmp(size);
+      if (amp == 9999)
+	return gFalse;
+      i += run;
+      j = dctZigZag[i++];
+      tmp1[j] = amp * quantTable[j];
+    }
+  }
+
+  // inverse DCT on rows
+  for (i = 0; i < 64; i += 8) {
+
+    // stage 4
+    v0 = (dctSqrt2 * tmp1[i+0] + 128) >> 8;
+    v1 = (dctSqrt2 * tmp1[i+4] + 128) >> 8;
+    v2 = tmp1[i+2];
+    v3 = tmp1[i+6];
+    v4 = (dctSqrt1d2 * (tmp1[i+1] - tmp1[i+7]) + 128) >> 8;
+    v7 = (dctSqrt1d2 * (tmp1[i+1] + tmp1[i+7]) + 128) >> 8;
+    v5 = tmp1[i+3] << 4;
+    v6 = tmp1[i+5] << 4;
+
+    // stage 3
+    t = (v0 - v1+ 1) >> 1;
+    v0 = (v0 + v1 + 1) >> 1;
+    v1 = t;
+    t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8;
+    v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8;
+    v3 = t;
+    t = (v4 - v6 + 1) >> 1;
+    v4 = (v4 + v6 + 1) >> 1;
+    v6 = t;
+    t = (v7 + v5 + 1) >> 1;
+    v5 = (v7 - v5 + 1) >> 1;
+    v7 = t;
+
+    // stage 2
+    t = (v0 - v3 + 1) >> 1;
+    v0 = (v0 + v3 + 1) >> 1;
+    v3 = t;
+    t = (v1 - v2 + 1) >> 1;
+    v1 = (v1 + v2 + 1) >> 1;
+    v2 = t;
+    t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;
+    v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;
+    v7 = t;
+    t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;
+    v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;
+    v6 = t;
+
+    // stage 1
+    tmp1[i+0] = v0 + v7;
+    tmp1[i+7] = v0 - v7;
+    tmp1[i+1] = v1 + v6;
+    tmp1[i+6] = v1 - v6;
+    tmp1[i+2] = v2 + v5;
+    tmp1[i+5] = v2 - v5;
+    tmp1[i+3] = v3 + v4;
+    tmp1[i+4] = v3 - v4;
+  }
+
+  // inverse DCT on columns
+  for (i = 0; i < 8; ++i) {
+
+    // stage 4
+    v0 = (dctSqrt2 * tmp1[0*8+i] + 2048) >> 12;
+    v1 = (dctSqrt2 * tmp1[4*8+i] + 2048) >> 12;
+    v2 = tmp1[2*8+i];
+    v3 = tmp1[6*8+i];
+    v4 = (dctSqrt1d2 * (tmp1[1*8+i] - tmp1[7*8+i]) + 2048) >> 12;
+    v7 = (dctSqrt1d2 * (tmp1[1*8+i] + tmp1[7*8+i]) + 2048) >> 12;
+    v5 = tmp1[3*8+i];
+    v6 = tmp1[5*8+i];
+
+    // stage 3
+    t = (v0 - v1 + 1) >> 1;
+    v0 = (v0 + v1 + 1) >> 1;
+    v1 = t;
+    t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12;
+    v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12;
+    v3 = t;
+    t = (v4 - v6 + 1) >> 1;
+    v4 = (v4 + v6 + 1) >> 1;
+    v6 = t;
+    t = (v7 + v5 + 1) >> 1;
+    v5 = (v7 - v5 + 1) >> 1;
+    v7 = t;
+
+    // stage 2
+    t = (v0 - v3 + 1) >> 1;
+    v0 = (v0 + v3 + 1) >> 1;
+    v3 = t;
+    t = (v1 - v2 + 1) >> 1;
+    v1 = (v1 + v2 + 1) >> 1;
+    v2 = t;
+    t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;
+    v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;
+    v7 = t;
+    t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;
+    v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;
+    v6 = t;
+
+    // stage 1
+    tmp1[0*8+i] = v0 + v7;
+    tmp1[7*8+i] = v0 - v7;
+    tmp1[1*8+i] = v1 + v6;
+    tmp1[6*8+i] = v1 - v6;
+    tmp1[2*8+i] = v2 + v5;
+    tmp1[5*8+i] = v2 - v5;
+    tmp1[3*8+i] = v3 + v4;
+    tmp1[4*8+i] = v3 - v4;
+  }
+
+  // convert to 8-bit integers
+  for (i = 0; i < 64; ++i)
+    data[i] = dctClip[dctClipOffset + 128 + ((tmp1[i] + 8) >> 4)];
+
+  return gTrue;
+}
+#endif
+
+#ifdef FP_IDCT
+GBool DCTStream::readDataUnit(DCTHuffTable *dcHuffTable,
+			      DCTHuffTable *acHuffTable,
+			      Guchar quantTable[64], int *prevDC,
+			      Guchar data[64]) {
+  double tmp1[64];
+  double v0, v1, v2, v3, v4, v5, v6, v7, t;
+  int run, size, amp;
+  int c;
+  int i, j;
+
+  // Huffman decode and dequantize
+  size = readHuffSym(dcHuffTable);
+  if (size == 9999)
+    return gFalse;
+  if (size > 0) {
+    amp = readAmp(size);
+    if (amp == 9999)
+      return gFalse;
+  } else {
+    amp = 0;
+  }
+  tmp1[0] = (*prevDC += amp) * quantTable[0];
+  for (i = 1; i < 64; ++i)
+    tmp1[i] = 0;
+  i = 1;
+  while (i < 64) {
+    run = 0;
+    while ((c = readHuffSym(acHuffTable)) == 0xf0 && run < 0x30)
+      run += 0x10;
+    if (c == 9999)
+      return gFalse;
+    if (c == 0x00) {
+      break;
+    } else {
+      run += (c >> 4) & 0x0f;
+      size = c & 0x0f;
+      amp = readAmp(size);
+      if (amp == 9999)
+	return gFalse;
+      i += run;
+      j = dctZigZag[i++];
+      tmp1[j] = amp * quantTable[j];
+    }
+  }
+
+  // inverse DCT on rows
+  for (i = 0; i < 64; i += 8) {
+
+    // stage 4
+    v0 = dctSqrt2 * tmp1[i+0];
+    v1 = dctSqrt2 * tmp1[i+4];
+    v2 = tmp1[i+2];
+    v3 = tmp1[i+6];
+    v4 = dctSqrt1d2 * (tmp1[i+1] - tmp1[i+7]);
+    v7 = dctSqrt1d2 * (tmp1[i+1] + tmp1[i+7]);
+    v5 = tmp1[i+3];
+    v6 = tmp1[i+5];
+
+    // stage 3
+    t = 0.5 * (v0 - v1);
+    v0 = 0.5 * (v0 + v1);
+    v1 = t;
+    t = v2 * dctSin6 + v3 * dctCos6;
+    v2 = v2 * dctCos6 - v3 * dctSin6;
+    v3 = t;
+    t = 0.5 * (v4 - v6);
+    v4 = 0.5 * (v4 + v6);
+    v6 = t;
+    t = 0.5 * (v7 + v5);
+    v5 = 0.5 * (v7 - v5);
+    v7 = t;
+
+    // stage 2
+    t = 0.5 * (v0 - v3);
+    v0 = 0.5 * (v0 + v3);
+    v3 = t;
+    t = 0.5 * (v1 - v2);
+    v1 = 0.5 * (v1 + v2);
+    v2 = t;
+    t = v4 * dctSin3 + v7 * dctCos3;
+    v4 = v4 * dctCos3 - v7 * dctSin3;
+    v7 = t;
+    t = v5 * dctSin1 + v6 * dctCos1;
+    v5 = v5 * dctCos1 - v6 * dctSin1;
+    v6 = t;
+
+    // stage 1
+    tmp1[i+0] = v0 + v7;
+    tmp1[i+7] = v0 - v7;
+    tmp1[i+1] = v1 + v6;
+    tmp1[i+6] = v1 - v6;
+    tmp1[i+2] = v2 + v5;
+    tmp1[i+5] = v2 - v5;
+    tmp1[i+3] = v3 + v4;
+    tmp1[i+4] = v3 - v4;
+  }
+
+  // inverse DCT on columns
+  for (i = 0; i < 8; ++i) {
+
+    // stage 4
+    v0 = dctSqrt2 * tmp1[0*8+i];
+    v1 = dctSqrt2 * tmp1[4*8+i];
+    v2 = tmp1[2*8+i];
+    v3 = tmp1[6*8+i];
+    v4 = dctSqrt1d2 * (tmp1[1*8+i] - tmp1[7*8+i]);
+    v7 = dctSqrt1d2 * (tmp1[1*8+i] + tmp1[7*8+i]);
+    v5 = tmp1[3*8+i];
+    v6 = tmp1[5*8+i];
+
+    // stage 3
+    t = 0.5 * (v0 - v1);
+    v0 = 0.5 * (v0 + v1);
+    v1 = t;
+    t = v2 * dctSin6 + v3 * dctCos6;
+    v2 = v2 * dctCos6 - v3 * dctSin6;
+    v3 = t;
+    t = 0.5 * (v4 - v6);
+    v4 = 0.5 * (v4 + v6);
+    v6 = t;
+    t = 0.5 * (v7 + v5);
+    v5 = 0.5 * (v7 - v5);
+    v7 = t;
+
+    // stage 2
+    t = 0.5 * (v0 - v3);
+    v0 = 0.5 * (v0 + v3);
+    v3 = t;
+    t = 0.5 * (v1 - v2);
+    v1 = 0.5 * (v1 + v2);
+    v2 = t;
+    t = v4 * dctSin3 + v7 * dctCos3;
+    v4 = v4 * dctCos3 - v7 * dctSin3;
+    v7 = t;
+    t = v5 * dctSin1 + v6 * dctCos1;
+    v5 = v5 * dctCos1 - v6 * dctSin1;
+    v6 = t;
+
+    // stage 1
+    tmp1[0*8+i] = v0 + v7;
+    tmp1[7*8+i] = v0 - v7;
+    tmp1[1*8+i] = v1 + v6;
+    tmp1[6*8+i] = v1 - v6;
+    tmp1[2*8+i] = v2 + v5;
+    tmp1[5*8+i] = v2 - v5;
+    tmp1[3*8+i] = v3 + v4;
+    tmp1[4*8+i] = v3 - v4;
+  }
+
+  // convert to 8-bit integers
+  for (i = 0; i < 64; ++i)
+    data[i] = dctClip[dctClipOffset + (int)(tmp1[i] + 128.5)];
+
+  return gTrue;
+}
+#endif
+
+int DCTStream::readHuffSym(DCTHuffTable *table) {
+  Gushort code;
+  int bit;
+  int codeBits;
+
+  code = 0;
+  codeBits = 0;
+  do {
+    // add a bit to the code
+    if ((bit = readBit()) == EOF)
+      return 9999;
+    code = (code << 1) + bit;
+    ++codeBits;
+
+    // look up code
+    if (code - table->firstCode[codeBits] < table->numCodes[codeBits]) {
+      code -= table->firstCode[codeBits];
+      return table->sym[table->firstSym[codeBits] + code];
+    }
+  } while (codeBits < 16);
+
+  error(getPos(), "Bad Huffman code in DCT stream");
+  return 9999;
+}
+
+int DCTStream::readAmp(int size) {
+  int amp, bit;
+  int bits;
+
+  amp = 0;
+  for (bits = 0; bits < size; ++bits) {
+    if ((bit = readBit()) == EOF)
+      return 9999;
+    amp = (amp << 1) + bit;
+  }
+  if (amp < (1 << (size - 1)))
+    amp -= (1 << size) - 1;
+  return amp;
+}
+
+int DCTStream::readBit() {
+  int bit;
+  int c, c2;
+
+  if (inputBits == 0) {
+    if ((c = str->getChar()) == EOF)
+      return EOF;
+    if (c == 0xff) {
+      do {
+	c2 = str->getChar();
+      } while (c2 == 0xff);
+      if (c2 != 0x00) {
+	error(getPos(), "Bad DCT data: missing 00 after ff");
+	return EOF;
+      }
+    }
+    inputBuf = c;
+    inputBits = 8;
+  }
+  bit = (inputBuf >> (inputBits - 1)) & 1;
+  --inputBits;
+  return bit;
+}
+
+GBool DCTStream::readHeader() {
+  GBool doScan;
+  int minHSample, minVSample;
+  int bufWidth;
+  int n;
+  int c = 0;
+  int i, j;
+
+  width = height = 0;
+  numComps = 0;
+  numQuantTables = 0;
+  numDCHuffTables = 0;
+  numACHuffTables = 0;
+  colorXform = 0;
+  gotAdobeMarker = gFalse;
+  restartInterval = 0;
+
+  // read headers
+  doScan = gFalse;
+  while (!doScan) {
+    c = readMarker();
+    switch (c) {
+    case 0xc0:			// SOF0
+      if (!readFrameInfo())
+	return gFalse;
+      break;
+    case 0xc4:			// DHT
+      if (!readHuffmanTables())
+	return gFalse;
+      break;
+    case 0xd8:			// SOI
+      break;
+    case 0xda:			// SOS
+      if (!readScanInfo())
+	return gFalse;
+      doScan = gTrue;
+      break;
+    case 0xdb:			// DQT
+      if (!readQuantTables())
+	return gFalse;
+      break;
+    case 0xdd:			// DRI
+      if (!readRestartInterval())
+	return gFalse;
+      break;
+    case 0xee:			// APP14
+      if (!readAdobeMarker())
+	return gFalse;
+      break;
+    case EOF:
+      error(getPos(), "Bad DCT header");
+      return gFalse;
+    default:
+      // skip APPn / COM / etc.
+      if (c >= 0xe0) {
+	n = read16() - 2;
+	for (i = 0; i < n; ++i)
+	  str->getChar();
+      } else {
+	error(getPos(), "Unknown DCT marker <%02x>", c);
+	return gFalse;
+      }
+      break;
+    }
+  }
+
+  // compute MCU size
+  mcuWidth = minHSample = compInfo[0].hSample;
+  mcuHeight = minVSample = compInfo[0].vSample;
+  for (i = 1; i < numComps; ++i) {
+    if (compInfo[i].hSample < minHSample)
+      minHSample = compInfo[i].hSample;
+    if (compInfo[i].vSample < minVSample)
+      minVSample = compInfo[i].vSample;
+    if (compInfo[i].hSample > mcuWidth)
+      mcuWidth = compInfo[i].hSample;
+    if (compInfo[i].vSample > mcuHeight)
+      mcuHeight = compInfo[i].vSample;
+  }
+  for (i = 0; i < numComps; ++i) {
+    compInfo[i].hSample /= minHSample;
+    compInfo[i].vSample /= minVSample;
+  }
+  mcuWidth = (mcuWidth / minHSample) * 8;
+  mcuHeight = (mcuHeight / minVSample) * 8;
+
+  // allocate buffers
+  bufWidth = ((width + mcuWidth - 1) / mcuWidth) * mcuWidth;
+  for (i = 0; i < numComps; ++i)
+    for (j = 0; j < mcuHeight; ++j)
+      rowBuf[i][j] = (Guchar *)gmalloc(bufWidth * sizeof(Guchar));
+
+  // figure out color transform
+  if (!gotAdobeMarker && numComps == 3) {
+    if (compInfo[0].id == 1 && compInfo[1].id == 2 && compInfo[2].id == 3) {
+      colorXform = 1;
+    }
+  }
+
+  // initialize counters
+  comp = 0;
+  x = 0;
+  y = 0;
+  dy = mcuHeight;
+
+  return gTrue;
+}
+
+GBool DCTStream::readFrameInfo() {
+  int length;
+  int prec;
+  int i;
+  int c;
+
+  length = read16() - 2;
+  prec = str->getChar();
+  height = read16();
+  width = read16();
+  numComps = str->getChar();
+  length -= 6;
+  if (prec != 8) {
+    error(getPos(), "Bad DCT precision %d", prec);
+    return gFalse;
+  }
+  for (i = 0; i < numComps; ++i) {
+    compInfo[i].id = str->getChar();
+    compInfo[i].inScan = gFalse;
+    c = str->getChar();
+    compInfo[i].hSample = (c >> 4) & 0x0f;
+    compInfo[i].vSample = c & 0x0f;
+    compInfo[i].quantTable = str->getChar();
+    compInfo[i].dcHuffTable = 0;
+    compInfo[i].acHuffTable = 0;
+  }
+  return gTrue;
+}
+
+GBool DCTStream::readScanInfo() {
+  int length;
+  int scanComps, id, c;
+  int i, j;
+
+  length = read16() - 2;
+  scanComps = str->getChar();
+  --length;
+  if (length != 2 * scanComps + 3) {
+    error(getPos(), "Bad DCT scan info block");
+    return gFalse;
+  }
+  for (i = 0; i < scanComps; ++i) {
+    id = str->getChar();
+    for (j = 0; j < numComps; ++j) {
+      if (id == compInfo[j].id)
+	break;
+    }
+    if (j == numComps) {
+      error(getPos(), "Bad DCT component ID in scan info block");
+      return gFalse;
+    }
+    compInfo[j].inScan = gTrue;
+    c = str->getChar();
+    compInfo[j].dcHuffTable = (c >> 4) & 0x0f;
+    compInfo[j].acHuffTable = c & 0x0f;
+  }
+  str->getChar();
+  str->getChar();
+  str->getChar();
+  return gTrue;
+}
+
+GBool DCTStream::readQuantTables() {
+  int length;
+  int i;
+  int index;
+
+  length = read16() - 2;
+  while (length > 0) {
+    index = str->getChar();
+    if ((index & 0xf0) || index >= 4) {
+      error(getPos(), "Bad DCT quantization table");
+      return gFalse;
+    }
+    if (index == numQuantTables)
+      numQuantTables = index + 1;
+    for (i = 0; i < 64; ++i)
+      quantTables[index][dctZigZag[i]] = str->getChar();
+    length -= 65;
+  }
+  return gTrue;
+}
+
+GBool DCTStream::readHuffmanTables() {
+  DCTHuffTable *tbl;
+  int length;
+  int index;
+  Gushort code;
+  Guchar sym;
+  int i;
+  int c;
+
+  length = read16() - 2;
+  while (length > 0) {
+    index = str->getChar();
+    --length;
+    if ((index & 0x0f) >= 4) {
+      error(getPos(), "Bad DCT Huffman table");
+      return gFalse;
+    }
+    if (index & 0x10) {
+      index &= 0x0f;
+      if (index >= numACHuffTables)
+	numACHuffTables = index+1;
+      tbl = &acHuffTables[index];
+    } else {
+      if (index >= numDCHuffTables)
+	numDCHuffTables = index+1;
+      tbl = &dcHuffTables[index];
+    }
+    sym = 0;
+    code = 0;
+    for (i = 1; i <= 16; ++i) {
+      c = str->getChar();
+      tbl->firstSym[i] = sym;
+      tbl->firstCode[i] = code;
+      tbl->numCodes[i] = c;
+      sym += c;
+      code = (code + c) << 1;
+    }
+    length -= 16;
+    for (i = 0; i < sym; ++i)
+      tbl->sym[i] = str->getChar();
+    length -= sym;
+  }
+  return gTrue;
+}
+
+GBool DCTStream::readRestartInterval() {
+  int length;
+
+  length = read16();
+  if (length != 4) {
+    error(getPos(), "Bad DCT restart interval");
+    return gFalse;
+  }
+  restartInterval = read16();
+  return gTrue;
+}
+
+GBool DCTStream::readAdobeMarker() {
+  int length, i;
+  char buf[12];
+  int c;
+
+  length = read16();
+  if (length != 14)
+    goto err;
+  for (i = 0; i < 12; ++i) {
+    if ((c = str->getChar()) == EOF)
+      goto err;
+    buf[i] = c;
+  }
+  if (strncmp(buf, "Adobe", 5))
+    goto err;
+  colorXform = buf[11];
+  gotAdobeMarker = gTrue;
+  return gTrue;
+
+ err:
+  error(getPos(), "Bad DCT Adobe APP14 marker");
+  return gFalse;
+}
+
+GBool DCTStream::readTrailer() {
+  int c;
+
+  c = readMarker();
+  if (c != 0xd9) {		// EOI
+    error(getPos(), "Bad DCT trailer");
+    return gFalse;
+  }
+  return gTrue;
+}
+
+int DCTStream::readMarker() {
+  int c;
+
+  do {
+    do {
+      c = str->getChar();
+    } while (c != 0xff);
+    do {
+      c = str->getChar();
+    } while (c == 0xff);
+  } while (c == 0x00);
+  return c;
+}
+
+int DCTStream::read16() {
+  int c1, c2;
+
+  if ((c1 = str->getChar()) == EOF)
+    return EOF;
+  if ((c2 = str->getChar()) == EOF)
+    return EOF;
+  return (c1 << 8) + c2;
+}
+
+GString *DCTStream::getPSFilter(char *indent) {
+  GString *s;
+
+  if (!(s = str->getPSFilter(indent))) {
+    return NULL;
+  }
+  s->append(indent)->append("<< >> /DCTDecode filter\n");
+  return s;
+}
+
+GBool DCTStream::isBinary(GBool last) {
+  return str->isBinary(gTrue);
+}
+
+//------------------------------------------------------------------------
+// FlateStream
+//------------------------------------------------------------------------
+
+int FlateStream::codeLenCodeMap[flateMaxCodeLenCodes] = {
+  16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
+};
+
+FlateDecode FlateStream::lengthDecode[flateMaxLitCodes-257] = {
+  {0,   3},
+  {0,   4},
+  {0,   5},
+  {0,   6},
+  {0,   7},
+  {0,   8},
+  {0,   9},
+  {0,  10},
+  {1,  11},
+  {1,  13},
+  {1,  15},
+  {1,  17},
+  {2,  19},
+  {2,  23},
+  {2,  27},
+  {2,  31},
+  {3,  35},
+  {3,  43},
+  {3,  51},
+  {3,  59},
+  {4,  67},
+  {4,  83},
+  {4,  99},
+  {4, 115},
+  {5, 131},
+  {5, 163},
+  {5, 195},
+  {5, 227},
+  {0, 258}
+};
+
+FlateDecode FlateStream::distDecode[flateMaxDistCodes] = {
+  { 0,     1},
+  { 0,     2},
+  { 0,     3},
+  { 0,     4},
+  { 1,     5},
+  { 1,     7},
+  { 2,     9},
+  { 2,    13},
+  { 3,    17},
+  { 3,    25},
+  { 4,    33},
+  { 4,    49},
+  { 5,    65},
+  { 5,    97},
+  { 6,   129},
+  { 6,   193},
+  { 7,   257},
+  { 7,   385},
+  { 8,   513},
+  { 8,   769},
+  { 9,  1025},
+  { 9,  1537},
+  {10,  2049},
+  {10,  3073},
+  {11,  4097},
+  {11,  6145},
+  {12,  8193},
+  {12, 12289},
+  {13, 16385},
+  {13, 24577}
+};
+
+FlateStream::FlateStream(Stream *strA, int predictor, int columns,
+			 int colors, int bits):
+    FilterStream(strA) {
+  if (predictor != 1) {
+    pred = new StreamPredictor(this, predictor, columns, colors, bits);
+  } else {
+    pred = NULL;
+  }
+}
+
+FlateStream::~FlateStream() {
+  if (pred) {
+    delete pred;
+  }
+  delete str;
+}
+
+void FlateStream::reset() {
+  int cmf, flg;
+
+  index = 0;
+  remain = 0;
+  codeBuf = 0;
+  codeSize = 0;
+  compressedBlock = gFalse;
+  endOfBlock = gTrue;
+  eof = gTrue;
+
+  str->reset();
+
+  // read header
+  //~ need to look at window size?
+  endOfBlock = eof = gTrue;
+  cmf = str->getChar();
+  flg = str->getChar();
+  if (cmf == EOF || flg == EOF)
+    return;
+  if ((cmf & 0x0f) != 0x08) {
+    error(getPos(), "Unknown compression method in flate stream");
+    return;
+  }
+  if ((((cmf << 8) + flg) % 31) != 0) {
+    error(getPos(), "Bad FCHECK in flate stream");
+    return;
+  }
+  if (flg & 0x20) {
+    error(getPos(), "FDICT bit set in flate stream");
+    return;
+  }
+
+  eof = gFalse;
+}
+
+int FlateStream::getChar() {
+  int c;
+
+  if (pred) {
+    return pred->getChar();
+  }
+  while (remain == 0) {
+    if (endOfBlock && eof)
+      return EOF;
+    readSome();
+  }
+  c = buf[index];
+  index = (index + 1) & flateMask;
+  --remain;
+  return c;
+}
+
+int FlateStream::lookChar() {
+  int c;
+
+  if (pred) {
+    return pred->lookChar();
+  }
+  while (remain == 0) {
+    if (endOfBlock && eof)
+      return EOF;
+    readSome();
+  }
+  c = buf[index];
+  return c;
+}
+
+int FlateStream::getRawChar() {
+  int c;
+
+  while (remain == 0) {
+    if (endOfBlock && eof)
+      return EOF;
+    readSome();
+  }
+  c = buf[index];
+  index = (index + 1) & flateMask;
+  --remain;
+  return c;
+}
+
+GString *FlateStream::getPSFilter(char *indent) {
+  return NULL;
+}
+
+GBool FlateStream::isBinary(GBool last) {
+  return str->isBinary(gTrue);
+}
+
+void FlateStream::readSome() {
+  int code1, code2;
+  int len, dist;
+  int i, j, k;
+  int c;
+
+  if (endOfBlock) {
+    if (!startBlock())
+      return;
+  }
+
+  if (compressedBlock) {
+    if ((code1 = getHuffmanCodeWord(&litCodeTab)) == EOF)
+      goto err;
+    if (code1 < 256) {
+      buf[index] = code1;
+      remain = 1;
+    } else if (code1 == 256) {
+      endOfBlock = gTrue;
+      remain = 0;
+    } else {
+      code1 -= 257;
+      code2 = lengthDecode[code1].bits;
+      if (code2 > 0 && (code2 = getCodeWord(code2)) == EOF)
+	goto err;
+      len = lengthDecode[code1].first + code2;
+      if ((code1 = getHuffmanCodeWord(&distCodeTab)) == EOF)
+	goto err;
+      code2 = distDecode[code1].bits;
+      if (code2 > 0 && (code2 = getCodeWord(code2)) == EOF)
+	goto err;
+      dist = distDecode[code1].first + code2;
+      i = index;
+      j = (index - dist) & flateMask;
+      for (k = 0; k < len; ++k) {
+	buf[i] = buf[j];
+	i = (i + 1) & flateMask;
+	j = (j + 1) & flateMask;
+      }
+      remain = len;
+    }
+
+  } else {
+    len = (blockLen < flateWindow) ? blockLen : flateWindow;
+    for (i = 0, j = index; i < len; ++i, j = (j + 1) & flateMask) {
+      if ((c = str->getChar()) == EOF) {
+	endOfBlock = eof = gTrue;
+	break;
+      }
+      buf[j] = c & 0xff;
+    }
+    remain = i;
+    blockLen -= len;
+    if (blockLen == 0)
+      endOfBlock = gTrue;
+  }
+
+  return;
+
+err:
+  error(getPos(), "Unexpected end of file in flate stream");
+  endOfBlock = eof = gTrue;
+  remain = 0;
+}
+
+GBool FlateStream::startBlock() {
+  int blockHdr;
+  int c;
+  int check;
+
+  // read block header
+  blockHdr = getCodeWord(3);
+  if (blockHdr & 1)
+    eof = gTrue;
+  blockHdr >>= 1;
+
+  // uncompressed block
+  if (blockHdr == 0) {
+    compressedBlock = gFalse;
+    if ((c = str->getChar()) == EOF)
+      goto err;
+    blockLen = c & 0xff;
+    if ((c = str->getChar()) == EOF)
+      goto err;
+    blockLen |= (c & 0xff) << 8;
+    if ((c = str->getChar()) == EOF)
+      goto err;
+    check = c & 0xff;
+    if ((c = str->getChar()) == EOF)
+      goto err;
+    check |= (c & 0xff) << 8;
+    if (check != (~blockLen & 0xffff))
+      error(getPos(), "Bad uncompressed block length in flate stream");
+    codeBuf = 0;
+    codeSize = 0;
+
+  // compressed block with fixed codes
+  } else if (blockHdr == 1) {
+    compressedBlock = gTrue;
+    loadFixedCodes();
+
+  // compressed block with dynamic codes
+  } else if (blockHdr == 2) {
+    compressedBlock = gTrue;
+    if (!readDynamicCodes())
+      goto err;
+
+  // unknown block type
+  } else {
+    goto err;
+  }
+
+  endOfBlock = gFalse;
+  return gTrue;
+
+err:
+  error(getPos(), "Bad block header in flate stream");
+  endOfBlock = eof = gTrue;
+  return gFalse;
+}
+
+void FlateStream::loadFixedCodes() {
+  int i;
+
+  // set up code arrays
+  litCodeTab.codes = allCodes;
+  distCodeTab.codes = allCodes + flateMaxLitCodes;
+
+  // initialize literal code table
+  for (i = 0; i <= 143; ++i)
+    litCodeTab.codes[i].len = 8;
+  for (i = 144; i <= 255; ++i)
+    litCodeTab.codes[i].len = 9;
+  for (i = 256; i <= 279; ++i)
+    litCodeTab.codes[i].len = 7;
+  for (i = 280; i <= 287; ++i)
+    litCodeTab.codes[i].len = 8;
+  compHuffmanCodes(&litCodeTab, flateMaxLitCodes);
+
+  // initialize distance code table
+  for (i = 0; i <= 5; ++i) {
+    distCodeTab.start[i] = 0;
+  }
+  for (i = 6; i <= flateMaxHuffman+1; ++i) {
+    distCodeTab.start[i] = flateMaxDistCodes;
+  }
+  for (i = 0; i < flateMaxDistCodes; ++i) {
+    distCodeTab.codes[i].len = 5;
+    distCodeTab.codes[i].code = i;
+    distCodeTab.codes[i].val = i;
+  }
+}
+
+GBool FlateStream::readDynamicCodes() {
+  int numCodeLenCodes;
+  int numLitCodes;
+  int numDistCodes;
+  FlateCode codeLenCodes[flateMaxCodeLenCodes];
+  FlateHuffmanTab codeLenCodeTab;
+  int len, repeat, code;
+  int i;
+
+  // read lengths
+  if ((numLitCodes = getCodeWord(5)) == EOF)
+    goto err;
+  numLitCodes += 257;
+  if ((numDistCodes = getCodeWord(5)) == EOF)
+    goto err;
+  numDistCodes += 1;
+  if ((numCodeLenCodes = getCodeWord(4)) == EOF)
+    goto err;
+  numCodeLenCodes += 4;
+  if (numLitCodes > flateMaxLitCodes ||
+      numDistCodes > flateMaxDistCodes ||
+      numCodeLenCodes > flateMaxCodeLenCodes)
+    goto err;
+
+  // read code length code table
+  codeLenCodeTab.codes = codeLenCodes;
+  for (i = 0; i < flateMaxCodeLenCodes; ++i)
+    codeLenCodes[i].len = 0;
+  for (i = 0; i < numCodeLenCodes; ++i) {
+    if ((codeLenCodes[codeLenCodeMap[i]].len = getCodeWord(3)) == -1)
+      goto err;
+  }
+  compHuffmanCodes(&codeLenCodeTab, flateMaxCodeLenCodes);
+
+  // set up code arrays
+  litCodeTab.codes = allCodes;
+  distCodeTab.codes = allCodes + numLitCodes;
+
+  // read literal and distance code tables
+  len = 0;
+  repeat = 0;
+  i = 0;
+  while (i < numLitCodes + numDistCodes) {
+    if ((code = getHuffmanCodeWord(&codeLenCodeTab)) == EOF)
+      goto err;
+    if (code == 16) {
+      if ((repeat = getCodeWord(2)) == EOF)
+	goto err;
+      for (repeat += 3; repeat > 0; --repeat)
+	allCodes[i++].len = len;
+    } else if (code == 17) {
+      if ((repeat = getCodeWord(3)) == EOF)
+	goto err;
+      len = 0;
+      for (repeat += 3; repeat > 0; --repeat)
+	allCodes[i++].len = 0;
+    } else if (code == 18) {
+      if ((repeat = getCodeWord(7)) == EOF)
+	goto err;
+      len = 0;
+      for (repeat += 11; repeat > 0; --repeat)
+	allCodes[i++].len = 0;
+    } else {
+      allCodes[i++].len = len = code;
+    }
+  }
+  compHuffmanCodes(&litCodeTab, numLitCodes);
+  compHuffmanCodes(&distCodeTab, numDistCodes);
+
+  return gTrue;
+
+err:
+  error(getPos(), "Bad dynamic code table in flate stream");
+  return gFalse;
+}
+
+// On entry, the <tab->codes> array contains the lengths of each code,
+// stored in code value order.  This function computes the code words.
+// The result is sorted in order of (1) code length and (2) code word.
+// The length values are no longer valid.  The <tab->start> array is
+// filled with the indexes of the first code of each length.
+void FlateStream::compHuffmanCodes(FlateHuffmanTab *tab, int n) {
+  int numLengths[flateMaxHuffman+1];
+  int nextCode[flateMaxHuffman+1];
+  int nextIndex[flateMaxHuffman+2];
+  int code;
+  int i, j;
+
+  // count number of codes for each code length
+  for (i = 0; i <= flateMaxHuffman; ++i)
+    numLengths[i] = 0;
+  for (i = 0; i < n; ++i)
+    ++numLengths[tab->codes[i].len];
+
+  // compute first index for each length
+  tab->start[0] = nextIndex[0] = 0;
+  for (i = 1; i <= flateMaxHuffman + 1; ++i)
+    tab->start[i] = nextIndex[i] = tab->start[i-1] + numLengths[i-1];
+
+  // compute first code for each length
+  code = 0;
+  numLengths[0] = 0;
+  for (i = 1; i <= flateMaxHuffman; ++i) {
+    code = (code + numLengths[i-1]) << 1;
+    nextCode[i] = code;
+  }
+
+  // compute the codes -- this permutes the codes array from value
+  // order to length/code order
+  for (i = 0; i < n; ++i) {
+    j = nextIndex[tab->codes[i].len]++;
+    if (tab->codes[i].len == 0)
+      tab->codes[j].code = 0;
+    else
+      tab->codes[j].code = nextCode[tab->codes[i].len]++;
+    tab->codes[j].val = i;
+  }
+}
+
+int FlateStream::getHuffmanCodeWord(FlateHuffmanTab *tab) {
+  int len;
+  int code;
+  int c;
+  int i, j;
+
+  code = 0;
+  for (len = 1; len <= flateMaxHuffman; ++len) {
+
+    // add a bit to the code
+    if (codeSize == 0) {
+      if ((c = str->getChar()) == EOF)
+	return EOF;
+      codeBuf = c & 0xff;
+      codeSize = 8;
+    }
+    code = (code << 1) | (codeBuf & 1);
+    codeBuf >>= 1;
+    --codeSize;
+
+    // look for code
+    i = tab->start[len];
+    j = tab->start[len + 1];
+    if (i < j && code >= tab->codes[i].code && code <= tab->codes[j-1].code) {
+      i += code - tab->codes[i].code;
+      return tab->codes[i].val;
+    }
+  }
+
+  // not found
+  error(getPos(), "Bad code (%04x) in flate stream", code);
+  return EOF;
+}
+
+int FlateStream::getCodeWord(int bits) {
+  int c;
+
+  while (codeSize < bits) {
+    if ((c = str->getChar()) == EOF)
+      return EOF;
+    codeBuf |= (c & 0xff) << codeSize;
+    codeSize += 8;
+  }
+  c = codeBuf & ((1 << bits) - 1);
+  codeBuf >>= bits;
+  codeSize -= bits;
+  return c;
+}
+
+//------------------------------------------------------------------------
+// EOFStream
+//------------------------------------------------------------------------
+
+EOFStream::EOFStream(Stream *strA):
+    FilterStream(strA) {
+}
+
+EOFStream::~EOFStream() {
+  delete str;
+}
+
+//------------------------------------------------------------------------
+// FixedLengthEncoder
+//------------------------------------------------------------------------
+
+FixedLengthEncoder::FixedLengthEncoder(Stream *strA, int lengthA):
+    FilterStream(strA) {
+  length = lengthA;
+  count = 0;
+}
+
+FixedLengthEncoder::~FixedLengthEncoder() {
+  if (str->isEncoder())
+    delete str;
+}
+
+void FixedLengthEncoder::reset() {
+  str->reset();
+  count = 0;
+}
+
+void FixedLengthEncoder::close() {
+}
+
+int FixedLengthEncoder::getChar() {
+  if (length >= 0 && count >= length)
+    return EOF;
+  ++count;
+  return str->getChar();
+}
+
+int FixedLengthEncoder::lookChar() {
+  if (length >= 0 && count >= length)
+    return EOF;
+  return str->getChar();
+}
+
+//------------------------------------------------------------------------
+// ASCII85Encoder
+//------------------------------------------------------------------------
+
+ASCII85Encoder::ASCII85Encoder(Stream *strA):
+    FilterStream(strA) {
+  bufPtr = bufEnd = buf;
+  lineLen = 0;
+  eof = gFalse;
+}
+
+ASCII85Encoder::~ASCII85Encoder() {
+  if (str->isEncoder())
+    delete str;
+}
+
+void ASCII85Encoder::reset() {
+  str->reset();
+  bufPtr = bufEnd = buf;
+  lineLen = 0;
+  eof = gFalse;
+}
+
+void ASCII85Encoder::close() {
+}
+
+GBool ASCII85Encoder::fillBuf() {
+  Gulong t;
+  char buf1[5];
+  int c;
+  int n, i;
+
+  if (eof)
+    return gFalse;
+  t = 0;
+  for (n = 0; n < 4; ++n) {
+    if ((c = str->getChar()) == EOF)
+      break;
+    t = (t << 8) + c;
+  }
+  bufPtr = bufEnd = buf;
+  if (n > 0) {
+    if (n == 4 && t == 0) {
+      *bufEnd++ = 'z';
+      if (++lineLen == 65) {
+	*bufEnd++ = '\n';
+	lineLen = 0;
+      }
+    } else {
+      if (n < 4)
+	t <<= 8 * (4 - n);
+      for (i = 4; i >= 0; --i) {
+	buf1[i] = (char)(t % 85 + 0x21);
+	t /= 85;
+      }
+      for (i = 0; i <= n; ++i) {
+	*bufEnd++ = buf1[i];
+	if (++lineLen == 65) {
+	  *bufEnd++ = '\n';
+	  lineLen = 0;
+	}
+      }
+    }
+  }
+  if (n < 4) {
+    *bufEnd++ = '~';
+    *bufEnd++ = '>';
+    eof = gTrue;
+  }
+  return bufPtr < bufEnd;
+}
+
+//------------------------------------------------------------------------
+// RunLengthEncoder
+//------------------------------------------------------------------------
+
+RunLengthEncoder::RunLengthEncoder(Stream *strA):
+    FilterStream(strA) {
+  bufPtr = bufEnd = nextEnd = buf;
+  eof = gFalse;
+}
+
+RunLengthEncoder::~RunLengthEncoder() {
+  if (str->isEncoder())
+    delete str;
+}
+
+void RunLengthEncoder::reset() {
+  str->reset();
+  bufPtr = bufEnd = nextEnd = buf;
+  eof = gFalse;
+}
+
+void RunLengthEncoder::close() {
+}
+
+//
+// When fillBuf finishes, buf[] looks like this:
+//   +-----+--------------+-----------------+--
+//   + tag | ... data ... | next 0, 1, or 2 |
+//   +-----+--------------+-----------------+--
+//    ^                    ^                 ^
+//    bufPtr               bufEnd            nextEnd
+//
+GBool RunLengthEncoder::fillBuf() {
+  int c, c1, c2;
+  int n;
+
+  // already hit EOF?
+  if (eof)
+    return gFalse;
+
+  // grab two bytes
+  if (nextEnd < bufEnd + 1) {
+    if ((c1 = str->getChar()) == EOF) {
+      eof = gTrue;
+      return gFalse;
+    }
+  } else {
+    c1 = bufEnd[0] & 0xff;
+  }
+  if (nextEnd < bufEnd + 2) {
+    if ((c2 = str->getChar()) == EOF) {
+      eof = gTrue;
+      buf[0] = 0;
+      buf[1] = c1;
+      bufPtr = buf;
+      bufEnd = &buf[2];
+      return gTrue;
+    }
+  } else {
+    c2 = bufEnd[1] & 0xff;
+  }
+
+  // check for repeat
+  c = 0; // make gcc happy
+  if (c1 == c2) {
+    n = 2;
+    while (n < 128 && (c = str->getChar()) == c1)
+      ++n;
+    buf[0] = (char)(257 - n);
+    buf[1] = c1;
+    bufEnd = &buf[2];
+    if (c == EOF) {
+      eof = gTrue;
+    } else if (n < 128) {
+      buf[2] = c;
+      nextEnd = &buf[3];
+    } else {
+      nextEnd = bufEnd;
+    }
+
+  // get up to 128 chars
+  } else {
+    buf[1] = c1;
+    buf[2] = c2;
+    n = 2;
+    while (n < 128) {
+      if ((c = str->getChar()) == EOF) {
+	eof = gTrue;
+	break;
+      }
+      ++n;
+      buf[n] = c;
+      if (buf[n] == buf[n-1])
+	break;
+    }
+    if (buf[n] == buf[n-1]) {
+      buf[0] = (char)(n-2-1);
+      bufEnd = &buf[n-1];
+      nextEnd = &buf[n+1];
+    } else {
+      buf[0] = (char)(n-1);
+      bufEnd = nextEnd = &buf[n+1];
+    }
+  }
+  bufPtr = buf;
+  return gTrue;
+}
diff --git a/pdftops/Stream.h b/pdftops/Stream.h
new file mode 100644
index 000000000..1f9c561d1
--- /dev/null
+++ b/pdftops/Stream.h
@@ -0,0 +1,723 @@
+//========================================================================
+//
+// Stream.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef STREAM_H
+#define STREAM_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stdio.h>
+#include "gtypes.h"
+#include "Object.h"
+
+#ifndef NO_DECRYPTION
+class Decrypt;
+#endif
+class BaseStream;
+
+//------------------------------------------------------------------------
+
+enum StreamKind {
+  strFile,
+  strASCIIHex,
+  strASCII85,
+  strLZW,
+  strRunLength,
+  strCCITTFax,
+  strDCT,
+  strFlate,
+  strWeird			// internal-use stream types
+};
+
+//------------------------------------------------------------------------
+// Stream (base class)
+//------------------------------------------------------------------------
+
+class Stream {
+public:
+
+  // Constructor.
+  Stream();
+
+  // Destructor.
+  virtual ~Stream();
+
+  // Reference counting.
+  int incRef() { return ++ref; }
+  int decRef() { return --ref; }
+
+  // Get kind of stream.
+  virtual StreamKind getKind() = 0;
+
+  // Reset stream to beginning.
+  virtual void reset() = 0;
+
+  // Close down the stream.
+  virtual void close();
+
+  // Get next char from stream.
+  virtual int getChar() = 0;
+
+  // Peek at next char in stream.
+  virtual int lookChar() = 0;
+
+  // Get next char from stream without using the predictor.
+  // This is only used by StreamPredictor.
+  virtual int getRawChar();
+
+  // Get next line from stream.
+  virtual char *getLine(char *buf, int size);
+
+  // Get current position in file.
+  virtual int getPos() = 0;
+
+  // Go to a position in the stream.
+  virtual void setPos(int pos) = 0;
+
+  // Get PostScript command for the filter(s).
+  virtual GString *getPSFilter(char *indent);
+
+  // Does this stream type potentially contain non-printable chars?
+  virtual GBool isBinary(GBool last = gTrue) = 0;
+
+  // Get the BaseStream or EmbedStream of this stream.
+  virtual BaseStream *getBaseStream() = 0;
+
+  // Get the dictionary associated with this stream.
+  virtual Dict *getDict() = 0;
+
+  // Is this an encoding filter?
+  virtual GBool isEncoder() { return gFalse; }
+
+  // Add filters to this stream according to the parameters in <dict>.
+  // Returns the new stream.
+  Stream *addFilters(Object *dict);
+
+private:
+
+  Stream *makeFilter(char *name, Stream *str, Object *params);
+
+  int ref;			// reference count
+};
+
+//------------------------------------------------------------------------
+// BaseStream
+//
+// This is the base class for all streams that read directly from a file.
+//------------------------------------------------------------------------
+
+class BaseStream: public Stream {
+public:
+
+  BaseStream(Object *dictA);
+  virtual ~BaseStream();
+  virtual Stream *makeSubStream(int start, int length, Object *dict) = 0;
+  virtual void setPos(int pos) = 0;
+  virtual BaseStream *getBaseStream() { return this; }
+  virtual Dict *getDict() { return dict.getDict(); }
+
+  // Get/set position of first byte of stream within the file.
+  virtual int getStart() = 0;
+  virtual void moveStart(int delta) = 0;
+
+#ifndef NO_DECRYPTION
+  // Set decryption for this stream.
+  void doDecryption(Guchar *fileKey, int keyLength, int objNum, int objGen);
+#endif
+
+#ifndef NO_DECRYPTION
+protected:
+
+  Decrypt *decrypt;
+#endif
+
+private:
+
+  Object dict;
+};
+
+//------------------------------------------------------------------------
+// FilterStream
+//
+// This is the base class for all streams that filter another stream.
+//------------------------------------------------------------------------
+
+class FilterStream: public Stream {
+public:
+
+  FilterStream(Stream *strA);
+  virtual ~FilterStream();
+  virtual void close();
+  virtual int getPos() { return str->getPos(); }
+  virtual void setPos(int pos);
+  virtual BaseStream *getBaseStream() { return str->getBaseStream(); }
+  virtual Dict *getDict() { return str->getDict(); }
+
+protected:
+
+  Stream *str;
+};
+
+//------------------------------------------------------------------------
+// ImageStream
+//------------------------------------------------------------------------
+
+class ImageStream {
+public:
+
+  // Create an image stream object for an image with the specified
+  // parameters.  Note that these are the actual image parameters,
+  // which may be different from the predictor parameters.
+  ImageStream(Stream *strA, int widthA, int nCompsA, int nBitsA);
+
+  ~ImageStream();
+
+  // Reset the stream.
+  void reset();
+
+  // Gets the next pixel from the stream.  <pix> should be able to hold
+  // at least nComps elements.  Returns false at end of file.
+  GBool getPixel(Guchar *pix);
+
+  // Skip an entire line from the image.
+  void skipLine();
+
+private:
+
+  Stream *str;			// base stream
+  int width;			// pixels per line
+  int nComps;			// components per pixel
+  int nBits;			// bits per component
+  int nVals;			// components per line
+  Guchar *imgLine;		// line buffer
+  int imgIdx;			// current index in imgLine
+};
+
+//------------------------------------------------------------------------
+// StreamPredictor
+//------------------------------------------------------------------------
+
+class StreamPredictor {
+public:
+
+  // Create a predictor object.  Note that the parameters are for the
+  // predictor, and may not match the actual image parameters.
+  StreamPredictor(Stream *strA, int predictorA,
+		  int widthA, int nCompsA, int nBitsA);
+
+  ~StreamPredictor();
+
+  int lookChar();
+  int getChar();
+
+private:
+
+  GBool getNextLine();
+
+  Stream *str;			// base stream
+  int predictor;		// predictor
+  int width;			// pixels per line
+  int nComps;			// components per pixel
+  int nBits;			// bits per component
+  int nVals;			// components per line
+  int pixBytes;			// bytes per pixel
+  int rowBytes;			// bytes per line
+  Guchar *predLine;		// line buffer
+  int predIdx;			// current index in predLine
+};
+
+//------------------------------------------------------------------------
+// FileStream
+//------------------------------------------------------------------------
+
+#define fileStreamBufSize 256
+
+class FileStream: public BaseStream {
+public:
+
+  FileStream(FILE *fA, int startA, int lengthA, Object *dictA);
+  virtual ~FileStream();
+  virtual Stream *makeSubStream(int startA, int lengthA, Object *dictA);
+  virtual StreamKind getKind() { return strFile; }
+  virtual void reset();
+  virtual void close();
+  virtual int getChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
+  virtual int lookChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
+  virtual int getPos() { return bufPos + (bufPtr - buf); }
+  virtual void setPos(int pos);
+  virtual GBool isBinary(GBool last = gTrue) { return last; }
+  virtual int getStart() { return start; }
+  virtual void moveStart(int delta);
+
+private:
+
+  GBool fillBuf();
+
+  FILE *f;
+  int start;
+  int length;
+  char buf[fileStreamBufSize];
+  char *bufPtr;
+  char *bufEnd;
+  int bufPos;
+  int savePos;
+};
+
+//------------------------------------------------------------------------
+// EmbedStream
+//
+// This is a special stream type used for embedded streams (inline
+// images).  It reads directly from the base stream -- after the
+// EmbedStream is deleted, reads from the base stream will proceed where
+// the BaseStream left off.  Note that this is very different behavior
+// that creating a new FileStream (using makeSubStream).
+//------------------------------------------------------------------------
+
+class EmbedStream: public BaseStream {
+public:
+
+  EmbedStream(Stream *strA, Object *dictA);
+  virtual ~EmbedStream();
+  virtual Stream *makeSubStream(int start, int length, Object *dictA);
+  virtual StreamKind getKind() { return str->getKind(); }
+  virtual void reset() {}
+  virtual int getChar() { return str->getChar(); }
+  virtual int lookChar() { return str->lookChar(); }
+  virtual int getPos() { return str->getPos(); }
+  virtual void setPos(int pos);
+  virtual GBool isBinary(GBool last = gTrue) { return last; }
+  virtual int getStart();
+  virtual void moveStart(int delta);
+
+private:
+
+  Stream *str;
+};
+
+//------------------------------------------------------------------------
+// ASCIIHexStream
+//------------------------------------------------------------------------
+
+class ASCIIHexStream: public FilterStream {
+public:
+
+  ASCIIHexStream(Stream *strA);
+  virtual ~ASCIIHexStream();
+  virtual StreamKind getKind() { return strASCIIHex; }
+  virtual void reset();
+  virtual int getChar()
+    { int c = lookChar(); buf = EOF; return c; }
+  virtual int lookChar();
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  int buf;
+  GBool eof;
+};
+
+//------------------------------------------------------------------------
+// ASCII85Stream
+//------------------------------------------------------------------------
+
+class ASCII85Stream: public FilterStream {
+public:
+
+  ASCII85Stream(Stream *strA);
+  virtual ~ASCII85Stream();
+  virtual StreamKind getKind() { return strASCII85; }
+  virtual void reset();
+  virtual int getChar()
+    { int ch = lookChar(); ++index; return ch; }
+  virtual int lookChar();
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  int c[5];
+  int b[4];
+  int index, n;
+  GBool eof;
+};
+
+//------------------------------------------------------------------------
+// LZWStream
+//------------------------------------------------------------------------
+
+class LZWStream: public FilterStream {
+public:
+
+  LZWStream(Stream *strA, int predictor, int columns, int colors,
+	    int bits, int earlyA);
+  virtual ~LZWStream();
+  virtual StreamKind getKind() { return strLZW; }
+  virtual void reset();
+  virtual int getChar();
+  virtual int lookChar();
+  virtual int getRawChar();
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  StreamPredictor *pred;	// predictor
+  int early;			// early parameter
+  FILE *zPipe;			// uncompress pipe
+  GString *zName;		// .Z file name
+  int inputBuf;			// input buffer
+  int inputBits;		// number of bits in input buffer
+  int inCodeBits;		// size of input code
+  char buf[256];		// buffer
+  char *bufPtr;			// next char to read
+  char *bufEnd;			// end of buffer
+
+  void dumpFile(FILE *f);
+  int getCode();
+  GBool fillBuf();
+};
+
+//------------------------------------------------------------------------
+// RunLengthStream
+//------------------------------------------------------------------------
+
+class RunLengthStream: public FilterStream {
+public:
+
+  RunLengthStream(Stream *strA);
+  virtual ~RunLengthStream();
+  virtual StreamKind getKind() { return strRunLength; }
+  virtual void reset();
+  virtual int getChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
+  virtual int lookChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  char buf[128];		// buffer
+  char *bufPtr;			// next char to read
+  char *bufEnd;			// end of buffer
+  GBool eof;
+
+  GBool fillBuf();
+};
+
+//------------------------------------------------------------------------
+// CCITTFaxStream
+//------------------------------------------------------------------------
+
+struct CCITTCodeTable;
+
+class CCITTFaxStream: public FilterStream {
+public:
+
+  CCITTFaxStream(Stream *strA, int encodingA, GBool endOfLineA,
+		 GBool byteAlignA, int columnsA, int rowsA,
+		 GBool endOfBlockA, GBool blackA);
+  virtual ~CCITTFaxStream();
+  virtual StreamKind getKind() { return strCCITTFax; }
+  virtual void reset();
+  virtual int getChar()
+    { int c = lookChar(); buf = EOF; return c; }
+  virtual int lookChar();
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  int encoding;			// 'K' parameter
+  GBool endOfLine;		// 'EndOfLine' parameter
+  GBool byteAlign;		// 'EncodedByteAlign' parameter
+  int columns;			// 'Columns' parameter
+  int rows;			// 'Rows' parameter
+  GBool endOfBlock;		// 'EndOfBlock' parameter
+  GBool black;			// 'BlackIs1' parameter
+  GBool eof;			// true if at eof
+  GBool nextLine2D;		// true if next line uses 2D encoding
+  int row;			// current row
+  int inputBuf;			// input buffer
+  int inputBits;		// number of bits in input buffer
+  short *refLine;		// reference line changing elements
+  int b1;			// index into refLine
+  short *codingLine;		// coding line changing elements
+  int a0;			// index into codingLine
+  int outputBits;		// remaining ouput bits
+  int buf;			// character buffer
+
+  short getTwoDimCode();
+  short getWhiteCode();
+  short getBlackCode();
+  short lookBits(int n);
+  void eatBits(int n) { inputBits -= n; }
+};
+
+//------------------------------------------------------------------------
+// DCTStream
+//------------------------------------------------------------------------
+
+// DCT component info
+struct DCTCompInfo {
+  int id;			// component ID
+  GBool inScan;			// is this component in the current scan?
+  int hSample, vSample;		// horiz/vert sampling resolutions
+  int quantTable;		// quantization table number
+  int dcHuffTable, acHuffTable;	// Huffman table numbers
+  int prevDC;			// DC coefficient accumulator
+};
+
+// DCT Huffman decoding table
+struct DCTHuffTable {
+  Guchar firstSym[17];		// first symbol for this bit length
+  Gushort firstCode[17];	// first code for this bit length
+  Gushort numCodes[17];		// number of codes of this bit length
+  Guchar sym[256];		// symbols
+};
+
+class DCTStream: public FilterStream {
+public:
+
+  DCTStream(Stream *strA);
+  virtual ~DCTStream();
+  virtual StreamKind getKind() { return strDCT; }
+  virtual void reset();
+  virtual int getChar();
+  virtual int lookChar();
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+  Stream *getRawStream() { return str; }
+
+private:
+
+  int width, height;		// image size
+  int mcuWidth, mcuHeight;	// size of min coding unit, in data units
+  DCTCompInfo compInfo[4];	// info for each component
+  int numComps;			// number of components in image
+  int colorXform;		// need YCbCr-to-RGB transform?
+  GBool gotAdobeMarker;		// set if APP14 Adobe marker was present
+  int restartInterval;		// restart interval, in MCUs
+  Guchar quantTables[4][64];	// quantization tables
+  int numQuantTables;		// number of quantization tables
+  DCTHuffTable dcHuffTables[4];	// DC Huffman tables
+  DCTHuffTable acHuffTables[4];	// AC Huffman tables
+  int numDCHuffTables;		// number of DC Huffman tables
+  int numACHuffTables;		// number of AC Huffman tables
+  Guchar *rowBuf[4][32];	// buffer for one MCU
+  int comp, x, y, dy;		// current position within image/MCU
+  int restartCtr;		// MCUs left until restart
+  int restartMarker;		// next restart marker
+  int inputBuf;			// input buffer for variable length codes
+  int inputBits;		// number of valid bits in input buffer
+
+  void restart();
+  GBool readMCURow();
+  GBool readDataUnit(DCTHuffTable *dcHuffTable, DCTHuffTable *acHuffTable,
+		     Guchar quantTable[64], int *prevDC, Guchar data[64]);
+  int readHuffSym(DCTHuffTable *table);
+  int readAmp(int size);
+  int readBit();
+  GBool readHeader();
+  GBool readFrameInfo();
+  GBool readScanInfo();
+  GBool readQuantTables();
+  GBool readHuffmanTables();
+  GBool readRestartInterval();
+  GBool readAdobeMarker();
+  GBool readTrailer();
+  int readMarker();
+  int read16();
+};
+
+//------------------------------------------------------------------------
+// FlateStream
+//------------------------------------------------------------------------
+
+#define flateWindow          32768    // buffer size
+#define flateMask            (flateWindow-1)
+#define flateMaxHuffman         15    // max Huffman code length
+#define flateMaxCodeLenCodes    19    // max # code length codes
+#define flateMaxLitCodes       288    // max # literal codes
+#define flateMaxDistCodes       30    // max # distance codes
+
+// Huffman code table entry
+struct FlateCode {
+  int len;			// code length in bits
+  int code;			// code word
+  int val;			// value represented by this code
+};
+
+// Huffman code table
+struct FlateHuffmanTab {
+  int start[flateMaxHuffman+2];	// indexes of first code of each length
+  FlateCode *codes;		// codes, sorted by length and code word
+};
+
+// Decoding info for length and distance code words
+struct FlateDecode {
+  int bits;			// # extra bits
+  int first;			// first length/distance
+};
+
+class FlateStream: public FilterStream {
+public:
+
+  FlateStream(Stream *strA, int predictor, int columns,
+	      int colors, int bits);
+  virtual ~FlateStream();
+  virtual StreamKind getKind() { return strFlate; }
+  virtual void reset();
+  virtual int getChar();
+  virtual int lookChar();
+  virtual int getRawChar();
+  virtual GString *getPSFilter(char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  StreamPredictor *pred;	// predictor
+  Guchar buf[flateWindow];	// output data buffer
+  int index;			// current index into output buffer
+  int remain;			// number valid bytes in output buffer
+  int codeBuf;			// input buffer
+  int codeSize;			// number of bits in input buffer
+  FlateCode			// literal and distance codes
+    allCodes[flateMaxLitCodes + flateMaxDistCodes];
+  FlateHuffmanTab litCodeTab;	// literal code table
+  FlateHuffmanTab distCodeTab;	// distance code table
+  GBool compressedBlock;	// set if reading a compressed block
+  int blockLen;			// remaining length of uncompressed block
+  GBool endOfBlock;		// set when end of block is reached
+  GBool eof;			// set when end of stream is reached
+
+  static int			// code length code reordering
+    codeLenCodeMap[flateMaxCodeLenCodes];
+  static FlateDecode		// length decoding info
+    lengthDecode[flateMaxLitCodes-257];
+  static FlateDecode		// distance decoding info
+    distDecode[flateMaxDistCodes];
+
+  void readSome();
+  GBool startBlock();
+  void loadFixedCodes();
+  GBool readDynamicCodes();
+  void compHuffmanCodes(FlateHuffmanTab *tab, int n);
+  int getHuffmanCodeWord(FlateHuffmanTab *tab);
+  int getCodeWord(int bits);
+};
+
+//------------------------------------------------------------------------
+// EOFStream
+//------------------------------------------------------------------------
+
+class EOFStream: public FilterStream {
+public:
+
+  EOFStream(Stream *strA);
+  virtual ~EOFStream();
+  virtual StreamKind getKind() { return strWeird; }
+  virtual void reset() {}
+  virtual int getChar() { return EOF; }
+  virtual int lookChar() { return EOF; }
+  virtual GString *getPSFilter(char *indent)  { return NULL; }
+  virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
+};
+
+//------------------------------------------------------------------------
+// FixedLengthEncoder
+//------------------------------------------------------------------------
+
+class FixedLengthEncoder: public FilterStream {
+public:
+
+  FixedLengthEncoder(Stream *strA, int lengthA);
+  ~FixedLengthEncoder();
+  virtual StreamKind getKind() { return strWeird; }
+  virtual void reset();
+  virtual void close();
+  virtual int getChar();
+  virtual int lookChar();
+  virtual GString *getPSFilter(char *indent) { return NULL; }
+  virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
+  virtual GBool isEncoder() { return gTrue; }
+
+private:
+
+  int length;
+  int count;
+};
+
+//------------------------------------------------------------------------
+// ASCII85Encoder
+//------------------------------------------------------------------------
+
+class ASCII85Encoder: public FilterStream {
+public:
+
+  ASCII85Encoder(Stream *strA);
+  virtual ~ASCII85Encoder();
+  virtual StreamKind getKind() { return strWeird; }
+  virtual void reset();
+  virtual void close();
+  virtual int getChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
+  virtual int lookChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
+  virtual GString *getPSFilter(char *indent) { return NULL; }
+  virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
+  virtual GBool isEncoder() { return gTrue; }
+
+private:
+
+  char buf[8];
+  char *bufPtr;
+  char *bufEnd;
+  int lineLen;
+  GBool eof;
+
+  GBool fillBuf();
+};
+
+//------------------------------------------------------------------------
+// RunLengthEncoder
+//------------------------------------------------------------------------
+
+class RunLengthEncoder: public FilterStream {
+public:
+
+  RunLengthEncoder(Stream *strA);
+  virtual ~RunLengthEncoder();
+  virtual StreamKind getKind() { return strWeird; }
+  virtual void reset();
+  virtual void close();
+  virtual int getChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
+  virtual int lookChar()
+    { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
+  virtual GString *getPSFilter(char *indent) { return NULL; }
+  virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
+  virtual GBool isEncoder() { return gTrue; }
+
+private:
+
+  char buf[131];
+  char *bufPtr;
+  char *bufEnd;
+  char *nextEnd;
+  GBool eof;
+
+  GBool fillBuf();
+};
+
+#endif
diff --git a/pdftops/T1Font.h b/pdftops/T1Font.h
new file mode 100644
index 000000000..846d253e9
--- /dev/null
+++ b/pdftops/T1Font.h
@@ -0,0 +1,102 @@
+//========================================================================
+//
+// T1Font.h
+//
+// An X wrapper for the t1lib Type 1 font rasterizer.
+//
+//========================================================================
+
+#ifndef T1FONT_H
+#define T1FONT_H
+
+#if HAVE_T1LIB_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <X11/Xlib.h>
+#include <t1lib.h>
+#include "SFont.h"
+
+class FontEncoding;
+
+//------------------------------------------------------------------------
+
+class T1FontEngine: public SFontEngine {
+public:
+
+  T1FontEngine(Display *displayA, Visual *visualA, int depthA,
+	       Colormap colormapA, GBool aaA, GBool aaHighA);
+  GBool isOk() { return ok; }
+  virtual ~T1FontEngine();
+
+private:
+
+  GBool aa;			// use anti-aliasing?
+  GBool aaHigh;			// use high-res anti-aliasing?
+  GBool ok;
+
+  friend class T1FontFile;
+  friend class T1Font;
+};
+
+//------------------------------------------------------------------------
+
+class T1FontFile: public SFontFile {
+public:
+
+  T1FontFile(T1FontEngine *engineA, char *fontFileName,
+	     FontEncoding *fontEnc, double *bboxA);
+  GBool isOk() { return ok; }
+  virtual ~T1FontFile();
+
+private:
+
+  T1FontEngine *engine;
+  int id;			// t1lib font ID
+  char **enc;
+  char *encStr;
+  double bbox[4];
+  GBool ok;
+
+  friend class T1Font;
+};
+
+//------------------------------------------------------------------------
+
+struct T1FontCacheTag {
+  Gushort code;
+  Gushort mru;			// valid bit (0x8000) and MRU index
+  int x, y, w, h;		// offset and size of glyph
+};
+
+class T1Font: public SFont {
+public:
+
+  T1Font(T1FontFile *fontFileA, double *m);
+  GBool isOk() { return ok; }
+  virtual ~T1Font();
+  virtual GBool drawChar(Drawable d, int w, int h, GC gc,
+			 int x, int y, int r, int g, int b, Gushort c);
+
+private:
+
+  Guchar *getGlyphPixmap(Gushort c, int *x, int *y, int *w, int *h);
+
+  T1FontFile *fontFile;
+  int id;
+  float size;
+  XImage *image;
+  int glyphW, glyphH;		// size of glyph pixmaps
+  int glyphSize;		// size of glyph pixmaps, in bytes
+  Guchar *cache;		// glyph pixmap cache
+  T1FontCacheTag *cacheTags;	// cache tags, i.e., char codes
+  int cacheSets;		// number of sets in cache
+  int cacheAssoc;		// cache associativity (glyphs per set)
+  GBool ok;
+};
+
+#endif // HAVE_T1LIB_H
+
+#endif
diff --git a/pdftops/TTFont.h b/pdftops/TTFont.h
new file mode 100644
index 000000000..998087c9c
--- /dev/null
+++ b/pdftops/TTFont.h
@@ -0,0 +1,104 @@
+//========================================================================
+//
+// TTFont.h
+//
+// An X wrapper for the FreeType TrueType font rasterizer.
+//
+//========================================================================
+
+#ifndef TTFONT_H
+#define TTFONT_H
+
+#if !FREETYPE2 && (HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H)
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#if HAVE_FREETYPE_FREETYPE_H
+#include <freetype/freetype.h>
+#include <freetype/ftxpost.h>
+#else
+#include <freetype.h>
+#include <ftxpost.h>
+#endif
+#include "SFont.h"
+
+//------------------------------------------------------------------------
+
+class TTFontEngine: public SFontEngine {
+public:
+
+  TTFontEngine(Display *displayA, Visual *visualA, int depthA,
+	       Colormap colormapA, GBool aaA);
+  GBool isOk() { return ok; }
+  virtual ~TTFontEngine();
+
+private:
+
+  TT_Engine engine;
+  GBool aa;
+  Gulong palette[5];
+  GBool ok;
+
+  friend class TTFontFile;
+  friend class TTFont;
+};
+
+//------------------------------------------------------------------------
+
+class TTFontFile: public SFontFile {
+public:
+
+  TTFontFile(TTFontEngine *engineA, char *fontFileName);
+  GBool isOk() { return ok; }
+  virtual ~TTFontFile();
+
+private:
+
+  TTFontEngine *engine;
+  TT_Face face;
+  TT_CharMap charMap;
+  int charMapOffset;
+  GBool ok;
+
+  friend class TTFont;
+};
+
+//------------------------------------------------------------------------
+
+struct TTFontCacheTag {
+  Gushort code;
+  Gushort mru;			// valid bit (0x8000) and MRU index
+};
+
+class TTFont: public SFont {
+public:
+
+  TTFont(TTFontFile *fontFileA, double *m);
+  GBool isOk() { return ok; }
+  virtual ~TTFont();
+  virtual GBool drawChar(Drawable d, int w, int h, GC gc,
+			 int x, int y, int r, int g, int b, Gushort c);
+
+private:
+
+  GBool getGlyphPixmap(Gushort c);
+
+  TTFontFile *fontFile;
+  TT_Instance instance;
+  TT_Glyph glyph;
+  TT_Raster_Map ras;
+  XImage *image;
+  TT_Matrix matrix;
+  TT_F26Dot6 xOffset, yOffset;
+  Guchar *cache;		// glyph pixmap cache
+  TTFontCacheTag *cacheTags;	// cache tags, i.e., char codes
+  int cacheSets;		// number of sets in cache
+  int cacheAssoc;		// cache associativity (glyphs per set)
+  GBool ok;
+};
+
+#endif // !FREETYPE2 && (HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H)
+
+#endif
diff --git a/pdftops/XRef.cxx b/pdftops/XRef.cxx
new file mode 100644
index 000000000..de2db2f23
--- /dev/null
+++ b/pdftops/XRef.cxx
@@ -0,0 +1,635 @@
+//========================================================================
+//
+// XRef.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <ctype.h>
+#include "gmem.h"
+#include "Object.h"
+#include "Stream.h"
+#include "Lexer.h"
+#include "Parser.h"
+#include "Dict.h"
+#ifndef NO_DECRYPTION
+#include "Decrypt.h"
+#endif
+#include "Error.h"
+#include "XRef.h"
+
+//------------------------------------------------------------------------
+
+#define xrefSearchSize 1024	// read this many bytes at end of file
+				//   to look for 'startxref'
+
+#ifndef NO_DECRYPTION
+//------------------------------------------------------------------------
+// Permission bits
+//------------------------------------------------------------------------
+
+#define permPrint    (1<<2)
+#define permChange   (1<<3)
+#define permCopy     (1<<4)
+#define permNotes    (1<<5)
+#define defPermFlags 0xfffc
+#endif
+
+//------------------------------------------------------------------------
+// XRef
+//------------------------------------------------------------------------
+
+XRef::XRef(BaseStream *strA, GString *ownerPassword, GString *userPassword) {
+  int pos;
+  int i;
+
+  ok = gTrue;
+  size = 0;
+  entries = NULL;
+  streamEnds = NULL;
+  streamEndsLen = 0;
+
+  // read the trailer
+  str = strA;
+  start = str->getStart();
+  pos = readTrailer();
+
+  // if there was a problem with the trailer,
+  // try to reconstruct the xref table
+  if (pos == 0) {
+    if (!(ok = constructXRef())) {
+      return;
+    }
+
+  // trailer is ok - read the xref table
+  } else {
+    entries = (XRefEntry *)gmalloc(size * sizeof(XRefEntry));
+    for (i = 0; i < size; ++i) {
+      entries[i].offset = -1;
+      entries[i].used = gFalse;
+    }
+    while (readXRef(&pos)) ;
+
+    // if there was a problem with the xref table,
+    // try to reconstruct it
+    if (!ok) {
+      gfree(entries);
+      size = 0;
+      entries = NULL;
+      if (!(ok = constructXRef())) {
+	return;
+      }
+    }
+  }
+
+  // now set the trailer dictionary's xref pointer so we can fetch
+  // indirect objects from it
+  trailerDict.getDict()->setXRef(this);
+
+  // check for encryption
+#ifndef NO_DECRYPTION
+  encrypted = gFalse;
+#endif
+  if (checkEncrypted(ownerPassword, userPassword)) {
+    ok = gFalse;
+    return;
+  }
+}
+
+XRef::~XRef() {
+  gfree(entries);
+  trailerDict.free();
+  if (streamEnds) {
+    gfree(streamEnds);
+  }
+}
+
+// Read startxref position, xref table size, and root.  Returns
+// first xref position.
+int XRef::readTrailer() {
+  Parser *parser;
+  Object obj;
+  char buf[xrefSearchSize+1];
+  int n, pos, pos1;
+  char *p;
+  int c;
+  int i;
+
+  // read last xrefSearchSize bytes
+  str->setPos(-xrefSearchSize);
+  for (n = 0; n < xrefSearchSize; ++n) {
+    if ((c = str->getChar()) == EOF)
+      break;
+    buf[n] = c;
+  }
+  buf[n] = '\0';
+
+  // find startxref
+  for (i = n - 9; i >= 0; --i) {
+    if (!strncmp(&buf[i], "startxref", 9))
+      break;
+  }
+  if (i < 0)
+    return 0;
+  for (p = &buf[i+9]; isspace(*p); ++p) ;
+  pos = lastXRefPos = atoi(p);
+
+  // find trailer dict by looking after first xref table
+  // (NB: we can't just use the trailer dict at the end of the file --
+  // this won't work for linearized files.)
+  str->setPos(start + pos);
+  for (i = 0; i < 4; ++i)
+    buf[i] = str->getChar();
+  if (strncmp(buf, "xref", 4))
+    return 0;
+  pos1 = pos + 4;
+  while (1) {
+    str->setPos(start + pos1);
+    for (i = 0; i < 35; ++i) {
+      if ((c = str->getChar()) == EOF)
+	return 0;
+      buf[i] = c;
+    }
+    if (!strncmp(buf, "trailer", 7))
+      break;
+    p = buf;
+    while (isspace(*p)) ++p;
+    while ('0' <= *p && *p <= '9') ++p;
+    while (isspace(*p)) ++p;
+    n = atoi(p);
+    while ('0' <= *p && *p <= '9') ++p;
+    while (isspace(*p)) ++p;
+    if (p == buf)
+      return 0;
+    pos1 += (p - buf) + n * 20;
+  }
+  pos1 += 7;
+
+  // read trailer dict
+  obj.initNull();
+  parser = new Parser(NULL, new Lexer(NULL, str->makeSubStream(start + pos1,
+							       -1, &obj)));
+  parser->getObj(&trailerDict);
+  if (trailerDict.isDict()) {
+    trailerDict.dictLookupNF("Size", &obj);
+    if (obj.isInt())
+      size = obj.getInt();
+    else
+      pos = 0;
+    obj.free();
+    trailerDict.dictLookupNF("Root", &obj);
+    if (obj.isRef()) {
+      rootNum = obj.getRefNum();
+      rootGen = obj.getRefGen();
+    } else {
+      pos = 0;
+    }
+    obj.free();
+  } else {
+    pos = 0;
+  }
+  delete parser;
+
+  // return first xref position
+  return pos;
+}
+
+// Read an xref table and the prev pointer from the trailer.
+GBool XRef::readXRef(int *pos) {
+  Parser *parser;
+  Object obj, obj2;
+  char s[20];
+  GBool more;
+  int first, newSize, n, i, j;
+  int c;
+
+  // seek to xref in stream
+  str->setPos(start + *pos);
+
+  // make sure it's an xref table
+  while ((c = str->getChar()) != EOF && isspace(c)) ;
+  s[0] = (char)c;
+  s[1] = (char)str->getChar();
+  s[2] = (char)str->getChar();
+  s[3] = (char)str->getChar();
+  if (!(s[0] == 'x' && s[1] == 'r' && s[2] == 'e' && s[3] == 'f')) {
+    goto err2;
+  }
+
+  // read xref
+  while (1) {
+    while ((c = str->lookChar()) != EOF && isspace(c)) {
+      str->getChar();
+    }
+    if (c == 't') {
+      break;
+    }
+    for (i = 0; (c = str->getChar()) != EOF && isdigit(c) && i < 20; ++i) {
+      s[i] = (char)c;
+    }
+    if (i == 0) {
+      goto err2;
+    }
+    s[i] = '\0';
+    first = atoi(s);
+    while ((c = str->lookChar()) != EOF && isspace(c)) {
+      str->getChar();
+    }
+    for (i = 0; (c = str->getChar()) != EOF && isdigit(c) && i < 20; ++i) {
+      s[i] = (char)c;
+    }
+    if (i == 0) {
+      goto err2;
+    }
+    s[i] = '\0';
+    n = atoi(s);
+    while ((c = str->lookChar()) != EOF && isspace(c)) {
+      str->getChar();
+    }
+    // check for buggy PDF files with an incorrect (too small) xref
+    // table size
+    if (first + n > size) {
+      newSize = size + 256;
+      entries = (XRefEntry *)grealloc(entries, newSize * sizeof(XRefEntry));
+      for (i = size; i < newSize; ++i) {
+	entries[i].offset = -1;
+	entries[i].used = gFalse;
+      }
+      size = newSize;
+    }
+    for (i = first; i < first + n; ++i) {
+      for (j = 0; j < 20; ++j) {
+	if ((c = str->getChar()) == EOF) {
+	  goto err2;
+	}
+	s[j] = (char)c;
+      }
+      if (entries[i].offset < 0) {
+	s[10] = '\0';
+	entries[i].offset = atoi(s);
+	s[16] = '\0';
+	entries[i].gen = atoi(&s[11]);
+	if (s[17] == 'n') {
+	  entries[i].used = gTrue;
+	} else if (s[17] == 'f') {
+	  entries[i].used = gFalse;
+	} else {
+	  goto err2;
+	}
+	// PDF files of patents from the IBM Intellectual Property
+	// Network have a bug: the xref table claims to start at 1
+	// instead of 0.
+	if (i == 1 && first == 1 &&
+	    entries[1].offset == 0 && entries[1].gen == 65535 &&
+	    !entries[1].used) {
+	  i = first = 0;
+	  entries[0] = entries[1];
+	  entries[1].offset = -1;
+	}
+      }
+    }
+  }
+
+  // read prev pointer from trailer dictionary
+  obj.initNull();
+  parser = new Parser(NULL, new Lexer(NULL, str->makeSubStream(str->getPos(),
+							       -1, &obj)));
+  parser->getObj(&obj);
+  if (!obj.isCmd("trailer")) {
+    goto err1;
+  }
+  obj.free();
+  parser->getObj(&obj);
+  if (!obj.isDict()) {
+    goto err1;
+  }
+  obj.getDict()->lookupNF("Prev", &obj2);
+  if (obj2.isInt()) {
+    *pos = obj2.getInt();
+    more = gTrue;
+  } else {
+    more = gFalse;
+  }
+  obj.free();
+  obj2.free();
+
+  delete parser;
+  return more;
+
+ err1:
+  obj.free();
+ err2:
+  ok = gFalse;
+  return gFalse;
+}
+
+// Attempt to construct an xref table for a damaged file.
+GBool XRef::constructXRef() {
+  Parser *parser;
+  Object obj;
+  char buf[256];
+  int pos;
+  int num, gen;
+  int newSize;
+  int streamEndsSize;
+  char *p;
+  int i;
+  GBool gotRoot;
+
+  error(0, "PDF file is damaged - attempting to reconstruct xref table...");
+  gotRoot = gFalse;
+  streamEndsLen = streamEndsSize = 0;
+
+  str->reset();
+  while (1) {
+    pos = str->getPos();
+    if (!str->getLine(buf, 256)) {
+      break;
+    }
+    p = buf;
+
+    // got trailer dictionary
+    if (!strncmp(p, "trailer", 7)) {
+      obj.initNull();
+      parser = new Parser(NULL, new Lexer(NULL,
+		      str->makeSubStream(start + pos + 7, -1, &obj)));
+      if (!trailerDict.isNone())
+	trailerDict.free();
+      parser->getObj(&trailerDict);
+      if (trailerDict.isDict()) {
+	trailerDict.dictLookupNF("Root", &obj);
+	if (obj.isRef()) {
+	  rootNum = obj.getRefNum();
+	  rootGen = obj.getRefGen();
+	  gotRoot = gTrue;
+	}
+	obj.free();
+      } else {
+	pos = 0;
+      }
+      delete parser;
+
+    // look for object
+    } else if (isdigit(*p)) {
+      num = atoi(p);
+      do {
+	++p;
+      } while (*p && isdigit(*p));
+      if (isspace(*p)) {
+	do {
+	  ++p;
+	} while (*p && isspace(*p));
+	if (isdigit(*p)) {
+	  gen = atoi(p);
+	  do {
+	    ++p;
+	  } while (*p && isdigit(*p));
+	  if (isspace(*p)) {
+	    do {
+	      ++p;
+	    } while (*p && isspace(*p));
+	    if (!strncmp(p, "obj", 3)) {
+	      if (num >= size) {
+		newSize = (num + 1 + 255) & ~255;
+		entries = (XRefEntry *)
+		            grealloc(entries, newSize * sizeof(XRefEntry));
+		for (i = size; i < newSize; ++i) {
+		  entries[i].offset = -1;
+		  entries[i].used = gFalse;
+		}
+		size = newSize;
+	      }
+	      if (!entries[num].used || gen >= entries[num].gen) {
+		entries[num].offset = pos - start;
+		entries[num].gen = gen;
+		entries[num].used = gTrue;
+	      }
+	    }
+	  }
+	}
+      }
+
+    } else if (!strncmp(p, "endstream", 9)) {
+      if (streamEndsLen == streamEndsSize) {
+	streamEndsSize += 64;
+	streamEnds = (int *)grealloc(streamEnds, streamEndsSize * sizeof(int));
+      }
+      streamEnds[streamEndsLen++] = pos;
+    }
+  }
+
+  if (gotRoot)
+    return gTrue;
+
+  error(-1, "Couldn't find trailer dictionary");
+  return gFalse;
+}
+
+#ifndef NO_DECRYPTION
+GBool XRef::checkEncrypted(GString *ownerPassword, GString *userPassword) {
+  Object encrypt, filterObj, versionObj, revisionObj, lengthObj;
+  Object ownerKey, userKey, permissions, fileID, fileID1;
+  GBool encrypted1;
+  GBool ret;
+
+  ret = gFalse;
+
+  permFlags = defPermFlags;
+  trailerDict.dictLookup("Encrypt", &encrypt);
+  if ((encrypted1 = encrypt.isDict())) {
+    ret = gTrue;
+    encrypt.dictLookup("Filter", &filterObj);
+    if (filterObj.isName("Standard")) {
+      encrypt.dictLookup("V", &versionObj);
+      encrypt.dictLookup("R", &revisionObj);
+      encrypt.dictLookup("Length", &lengthObj);
+      encrypt.dictLookup("O", &ownerKey);
+      encrypt.dictLookup("U", &userKey);
+      encrypt.dictLookup("P", &permissions);
+      trailerDict.dictLookup("ID", &fileID);
+      if (versionObj.isInt() &&
+	  revisionObj.isInt() &&
+	  ownerKey.isString() && ownerKey.getString()->getLength() == 32 &&
+	  userKey.isString() && userKey.getString()->getLength() == 32 &&
+	  permissions.isInt() &&
+	  fileID.isArray()) {
+	encVersion = versionObj.getInt();
+	encRevision = revisionObj.getInt();
+	if (lengthObj.isInt()) {
+	  keyLength = lengthObj.getInt() / 8;
+	} else {
+	  keyLength = 5;
+	}
+	permFlags = permissions.getInt();
+	if (encVersion >= 1 && encVersion <= 2 &&
+	    encRevision >= 2 && encRevision <= 3) {
+	  fileID.arrayGet(0, &fileID1);
+	  if (fileID1.isString()) {
+	    if (Decrypt::makeFileKey(encVersion, encRevision, keyLength,
+				     ownerKey.getString(), userKey.getString(),
+				     permFlags, fileID1.getString(),
+				     ownerPassword, userPassword, fileKey,
+				     &ownerPasswordOk)) {
+	      if (ownerPassword && !ownerPasswordOk) {
+		error(-1, "Incorrect owner password");
+	      }
+	      ret = gFalse;
+	    } else {
+	      error(-1, "Incorrect password");
+	    }
+	  } else {
+	    error(-1, "Weird encryption info");
+	  }
+	  fileID1.free();
+	} else {
+	  error(-1, "Unsupported version/revision (%d/%d) of Standard security handler",
+		encVersion, encRevision);
+	}
+      } else {
+	error(-1, "Weird encryption info");
+      }
+      fileID.free();
+      permissions.free();
+      userKey.free();
+      ownerKey.free();
+      lengthObj.free();
+      revisionObj.free();
+      versionObj.free();
+    } else {
+      error(-1, "Unknown security handler '%s'",
+	    filterObj.isName() ? filterObj.getName() : "???");
+    }
+    filterObj.free();
+  }
+  encrypt.free();
+
+  // this flag has to be set *after* we read the O/U/P strings
+  encrypted = encrypted1;
+
+  return ret;
+}
+#else
+GBool XRef::checkEncrypted(GString *ownerPassword, GString *userPassword) {
+  Object obj;
+  GBool encrypted;
+
+  trailerDict.dictLookup("Encrypt", &obj);
+  if ((encrypted = !obj.isNull())) {
+    error(-1, "PDF file is encrypted and this version of the Xpdf tools");
+    error(-1, "was built without decryption support.");
+  }
+  obj.free();
+  return encrypted;
+}
+#endif
+
+GBool XRef::okToPrint(GBool ignoreOwnerPW) {
+#ifndef NO_DECRYPTION
+  if ((ignoreOwnerPW || !ownerPasswordOk) && !(permFlags & permPrint)) {
+    return gFalse;
+  }
+#endif
+  return gTrue;
+}
+
+GBool XRef::okToChange(GBool ignoreOwnerPW) {
+#ifndef NO_DECRYPTION
+  if ((ignoreOwnerPW || !ownerPasswordOk) && !(permFlags & permChange)) {
+    return gFalse;
+  }
+#endif
+  return gTrue;
+}
+
+GBool XRef::okToCopy(GBool ignoreOwnerPW) {
+#ifndef NO_DECRYPTION
+  if ((ignoreOwnerPW || !ownerPasswordOk) && !(permFlags & permCopy)) {
+    return gFalse;
+  }
+#endif
+  return gTrue;
+}
+
+GBool XRef::okToAddNotes(GBool ignoreOwnerPW) {
+#ifndef NO_DECRYPTION
+  if ((ignoreOwnerPW || !ownerPasswordOk) && !(permFlags & permNotes)) {
+    return gFalse;
+  }
+#endif
+  return gTrue;
+}
+
+Object *XRef::fetch(int num, int gen, Object *obj) {
+  XRefEntry *e;
+  Parser *parser;
+  Object obj1, obj2, obj3;
+
+  // check for bogus ref - this can happen in corrupted PDF files
+  if (num < 0 || num >= size) {
+    obj->initNull();
+    return obj;
+  }
+
+  e = &entries[num];
+  if (e->gen == gen && e->offset >= 0) {
+    obj1.initNull();
+    parser = new Parser(this, new Lexer(this,
+	           str->makeSubStream(start + e->offset, -1, &obj1)));
+    parser->getObj(&obj1);
+    parser->getObj(&obj2);
+    parser->getObj(&obj3);
+    if (obj1.isInt() && obj1.getInt() == num &&
+	obj2.isInt() && obj2.getInt() == gen &&
+	obj3.isCmd("obj")) {
+#ifndef NO_DECRYPTION
+      parser->getObj(obj, encrypted ? fileKey : (Guchar *)NULL, keyLength,
+		     num, gen);
+#else
+      parser->getObj(obj);
+#endif
+    } else {
+      obj->initNull();
+    }
+    obj1.free();
+    obj2.free();
+    obj3.free();
+    delete parser;
+  } else {
+    obj->initNull();
+  }
+  return obj;
+}
+
+Object *XRef::getDocInfo(Object *obj) {
+  return trailerDict.dictLookup("Info", obj);
+}
+
+int XRef::getStreamEnd(int streamStart) {
+  int a, b, m;
+
+  if (streamEndsLen == 0 ||
+      streamStart > streamEnds[streamEndsLen - 1]) {
+    return -1;
+  }
+
+  a = -1;
+  b = streamEndsLen - 1;
+  // invariant: streamEnds[a] < streamStart <= streamEnds[b]
+  while (b - a > 1) {
+    m = (a + b) / 2;
+    if (streamStart <= streamEnds[m]) {
+      b = m;
+    } else {
+      a = m;
+    }
+  }
+  return streamEnds[b];
+}
diff --git a/pdftops/XRef.h b/pdftops/XRef.h
new file mode 100644
index 000000000..35306bba8
--- /dev/null
+++ b/pdftops/XRef.h
@@ -0,0 +1,110 @@
+//========================================================================
+//
+// XRef.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef XREF_H
+#define XREF_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "Object.h"
+
+class Dict;
+class Stream;
+
+//------------------------------------------------------------------------
+// XRef
+//------------------------------------------------------------------------
+
+struct XRefEntry {
+  int offset;
+  int gen;
+  GBool used;
+};
+
+class XRef {
+public:
+
+  // Constructor.  Read xref table from stream.
+  XRef(BaseStream *strA, GString *ownerPassword, GString *userPassword);
+
+  // Destructor.
+  ~XRef();
+
+  // Is xref table valid?
+  GBool isOk() { return ok; }
+
+  // Is the file encrypted?
+#ifndef NO_DECRYPTION
+  GBool isEncrypted() { return encrypted; }
+#else
+  GBool isEncrypted() { return gFalse; }
+#endif
+
+  // Check various permissions.
+  GBool okToPrint(GBool ignoreOwnerPW = gFalse);
+  GBool okToChange(GBool ignoreOwnerPW = gFalse);
+  GBool okToCopy(GBool ignoreOwnerPW = gFalse);
+  GBool okToAddNotes(GBool ignoreOwnerPW = gFalse);
+
+  // Get catalog object.
+  Object *getCatalog(Object *obj) { return fetch(rootNum, rootGen, obj); }
+
+  // Fetch an indirect reference.
+  Object *fetch(int num, int gen, Object *obj);
+
+  // Return the document's Info dictionary (if any).
+  Object *getDocInfo(Object *obj);
+
+  // Return the number of objects in the xref table.
+  int getNumObjects() { return size; }
+
+  // Return the offset of the last xref table.
+  int getLastXRefPos() { return lastXRefPos; }
+
+  // Return the catalog object reference.
+  int getRootNum() { return rootNum; }
+  int getRootGen() { return rootGen; }
+
+  // Get end position for a stream in a damaged file.
+  // Returns -1 if unknown or file is not damaged.
+  int getStreamEnd(int streamStart);
+
+private:
+
+  BaseStream *str;		// input stream
+  int start;			// offset in file (to allow for garbage
+				//   at beginning of file)
+  XRefEntry *entries;		// xref entries
+  int size;			// size of <entries> array
+  int rootNum, rootGen;		// catalog dict
+  GBool ok;			// true if xref table is valid
+  Object trailerDict;		// trailer dictionary
+  int lastXRefPos;		// offset of last xref table
+  int *streamEnds;		// 'endstream' positions - only used in
+				//   damaged files
+  int streamEndsLen;		// number of valid entries in streamEnds
+#ifndef NO_DECRYPTION
+  GBool encrypted;		// true if file is encrypted
+  int encVersion;		// encryption algorithm
+  int encRevision;		// security handler revision
+  int keyLength;		// length of key, in bytes
+  int permFlags;		// permission bits
+  Guchar fileKey[16];		// file decryption key
+  GBool ownerPasswordOk;	// true if owner password is correct
+#endif
+
+  int readTrailer();
+  GBool readXRef(int *pos);
+  GBool constructXRef();
+  GBool checkEncrypted(GString *ownerPassword, GString *userPassword);
+};
+
+#endif
diff --git a/pdftops/config.h b/pdftops/config.h
new file mode 100644
index 000000000..f2b889b73
--- /dev/null
+++ b/pdftops/config.h
@@ -0,0 +1,140 @@
+//========================================================================
+//
+// config.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include <config.h>
+#define HAVE_LIBCUPS
+
+//------------------------------------------------------------------------
+// general constants
+//------------------------------------------------------------------------
+
+// xpdf version
+#define xpdfVersion "0.93a"
+
+// supported PDF version
+#define supportedPDFVersionStr "1.4"
+#define supportedPDFVersionNum 1.4
+
+// copyright notice
+#define xpdfCopyright "Copyright 1996-2002 Derek B. Noonburg"
+
+// default paper size (in points) for PostScript output
+#ifdef A4_PAPER
+#define defPaperWidth  595    // ISO A4 (210x297 mm)
+#define defPaperHeight 842
+#else
+#define defPaperWidth  612    // American letter (8.5x11")
+#define defPaperHeight 792
+#endif
+
+// user config file name, relative to the user's home directory
+#if defined(VMS)
+#define xpdfUserConfigFile "xpdfrc"
+#else
+#define xpdfUserConfigFile ".xpdfrc"
+#endif
+
+#ifndef SYSTEM_XPDFRC
+#  define SYSTEM_XPDFRC	CUPS_SERVERROOT "/pdftops.conf"
+#endif // SYSTEM_XPDFRC
+
+// system config file name (set via the configure script)
+#define xpdfSysConfigFile SYSTEM_XPDFRC
+
+// Support Unicode/etc.
+//
+// The IBM AIX GNUPro compilers seem not to like the Asian font
+// code, causing a "virtual memory exhausted" error.  Only support
+// Asian fonts on platforms that will compile it...
+
+#if !defined(_AIX) || __GNUC__ != 2 || __GNUC_MINOR__ != 9
+#  define JAPANESE_SUPPORT 1
+#  define CHINESE_GB_SUPPORT 1
+#  define CHINESE_CNS_SUPPORT 1
+#endif // !_AIX || !GCC 2.9
+
+//------------------------------------------------------------------------
+// X-related constants
+//------------------------------------------------------------------------
+
+// default maximum size of color cube to allocate
+#define defaultRGBCube 5
+
+// number of X server fonts to cache
+#define serverFontCacheSize 16
+
+// number of Type 1 (t1lib) fonts to cache
+#define t1FontCacheSize 32
+
+// number of TrueType (FreeType) fonts to cache
+#define ttFontCacheSize 32
+
+// number of FreeType (TrueType and Type 1) fonts to cache
+#define ftFontCacheSize 32
+
+//------------------------------------------------------------------------
+// popen
+//------------------------------------------------------------------------
+
+#ifdef _MSC_VER
+#define popen _popen
+#define pclose _pclose
+#endif
+
+#if defined(VMS) || defined(VMCMS) || defined(DOS) || defined(OS2) || defined(__EMX__) || defined(WIN32) || defined(__DJGPP__) || defined(__CYGWIN32__) || defined(MACOS)
+#define POPEN_READ_MODE "rb"
+#else
+#define POPEN_READ_MODE "r"
+#endif
+
+//------------------------------------------------------------------------
+// uncompress program
+//------------------------------------------------------------------------
+
+#ifdef HAVE_POPEN
+
+// command to uncompress to stdout
+#  ifdef USE_GZIP
+#    define uncompressCmd "gzip -d -c -q"
+#  else
+#    ifdef __EMX__
+#      define uncompressCmd "compress -d -c"
+#    else
+#      define uncompressCmd "uncompress -c"
+#    endif // __EMX__
+#  endif // USE_GZIP
+
+#else // HAVE_POPEN
+
+// command to uncompress a file
+#  ifdef USE_GZIP
+#    define uncompressCmd "gzip -d -q"
+#  else
+#    define uncompressCmd "uncompress"
+#  endif // USE_GZIP
+
+#endif // HAVE_POPEN
+
+//------------------------------------------------------------------------
+// Win32 stuff
+//------------------------------------------------------------------------
+
+#ifdef CDECL
+#undef CDECL
+#endif
+
+#ifdef _MSC_VER
+#define CDECL __cdecl
+#else
+#define CDECL
+#endif
+
+#endif
diff --git a/pdftops/gfile.cxx b/pdftops/gfile.cxx
new file mode 100644
index 000000000..e6428b71b
--- /dev/null
+++ b/pdftops/gfile.cxx
@@ -0,0 +1,678 @@
+//========================================================================
+//
+// gfile.cc
+//
+// Miscellaneous file and directory name manipulation.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef WIN32
+   extern "C" {
+#  ifndef _MSC_VER
+#    include <kpathsea/win32lib.h>
+#  endif
+   }
+#else // !WIN32
+#  if defined(MACOS)
+#    include <sys/stat.h>
+#  elif !defined(ACORN)
+#    include <sys/types.h>
+#    include <sys/stat.h>
+#    include <fcntl.h>
+#  endif
+#  include <limits.h>
+#  include <string.h>
+#  if !defined(VMS) && !defined(ACORN) && !defined(MACOS)
+#    include <pwd.h>
+#  endif
+#  if defined(VMS) && (__DECCXX_VER < 50200000)
+#    include <unixlib.h>
+#  endif
+#endif // WIN32
+#include "GString.h"
+#include "gfile.h"
+
+#ifdef HAVE_LIBCUPS
+#  include <cups/cups.h>
+#endif // HAVE_LIBCUPS
+
+#ifdef __sun
+// Solaris doesn't define mkstemp()...
+extern "C" {
+extern int mkstemp(char *);
+}
+#endif // __sun
+
+// Some systems don't define this, so just make it something reasonably
+// large.
+#ifndef PATH_MAX
+#define PATH_MAX 1024
+#endif
+
+//------------------------------------------------------------------------
+
+GString *getHomeDir() {
+#ifdef VMS
+  //---------- VMS ----------
+  return new GString("SYS$LOGIN:");
+
+#elif defined(__EMX__) || defined(WIN32)
+  //---------- OS/2+EMX and Win32 ----------
+  char *s;
+  GString *ret;
+
+  if ((s = getenv("HOME")))
+    ret = new GString(s);
+  else
+    ret = new GString(".");
+  return ret;
+
+#elif defined(ACORN)
+  //---------- RISCOS ----------
+  return new GString("@");
+
+#elif defined(MACOS)
+  //---------- MacOS ----------
+  return new GString(":");
+
+#else
+  //---------- Unix ----------
+  char *s;
+  struct passwd *pw;
+  GString *ret;
+
+  if ((s = getenv("HOME"))) {
+    ret = new GString(s);
+#  ifdef HAVE_LIBCUPS
+  } else if ((s = getenv("CUPS_SERVERROOT"))) {
+    ret = new GString(s);
+#  endif // HAVE_LIBCUPS
+  } else {
+    if ((s = getenv("USER")))
+      pw = getpwnam(s);
+    else
+      pw = getpwuid(getuid());
+    if (pw)
+      ret = new GString(pw->pw_dir);
+    else
+      ret = new GString(".");
+  }
+  return ret;
+#endif
+}
+
+GString *getCurrentDir() {
+  char buf[PATH_MAX+1];
+
+#if defined(__EMX__)
+  if (_getcwd2(buf, sizeof(buf)))
+#elif defined(WIN32)
+  if (GetCurrentDirectory(sizeof(buf), buf))
+#elif defined(ACORN)
+  if (strcpy(buf, "@"))
+#elif defined(MACOS)
+  if (strcpy(buf, ":"))
+#else
+  if (getcwd(buf, sizeof(buf)))
+#endif
+    return new GString(buf);
+  return new GString();
+}
+
+GString *appendToPath(GString *path, const char *fileName) {
+#if defined(VMS)
+  //---------- VMS ----------
+  //~ this should handle everything necessary for file
+  //~ requesters, but it's certainly not complete
+  char *p0, *p1, *p2;
+  char *q1;
+
+  p0 = path->getCString();
+  p1 = p0 + path->getLength() - 1;
+  if (!strcmp(fileName, "-")) {
+    if (*p1 == ']') {
+      for (p2 = p1; p2 > p0 && *p2 != '.' && *p2 != '['; --p2) ;
+      if (*p2 == '[')
+	++p2;
+      path->del(p2 - p0, p1 - p2);
+    } else if (*p1 == ':') {
+      path->append("[-]");
+    } else {
+      path->clear();
+      path->append("[-]");
+    }
+  } else if ((q1 = strrchr(fileName, '.')) && !strncmp(q1, ".DIR;", 5)) {
+    if (*p1 == ']') {
+      path->insert(p1 - p0, '.');
+      path->insert(p1 - p0 + 1, fileName, q1 - fileName);
+    } else if (*p1 == ':') {
+      path->append('[');
+      path->append(']');
+      path->append(fileName, q1 - fileName);
+    } else {
+      path->clear();
+      path->append(fileName, q1 - fileName);
+    }
+  } else {
+    if (*p1 != ']' && *p1 != ':')
+      path->clear();
+    path->append(fileName);
+  }
+  return path;
+
+#elif defined(WIN32)
+  //---------- Win32 ----------
+  GString *tmp;
+  char buf[256];
+  char *fp;
+
+  tmp = new GString(path);
+  tmp->append('/');
+  tmp->append(fileName);
+  GetFullPathName(tmp->getCString(), sizeof(buf), buf, &fp);
+  delete tmp;
+  path->clear();
+  path->append(buf);
+  return path;
+
+#elif defined(ACORN)
+  //---------- RISCOS ----------
+  char *p;
+  int i;
+
+  path->append(".");
+  i = path->getLength();
+  path->append(fileName);
+  for (p = path->getCString() + i; *p; ++p) {
+    if (*p == '/') {
+      *p = '.';
+    } else if (*p == '.') {
+      *p = '/';
+    }
+  }
+  return path;
+
+#elif defined(MACOS)
+  //---------- MacOS ----------
+  char *p;
+  int i;
+
+  path->append(":");
+  i = path->getLength();
+  path->append(fileName);
+  for (p = path->getCString() + i; *p; ++p) {
+    if (*p == '/') {
+      *p = ':';
+    } else if (*p == '.') {
+      *p = ':';
+    }
+  }
+  return path;
+
+#elif defined(__EMX__)
+  //---------- OS/2+EMX ----------
+  int i;
+
+  // appending "." does nothing
+  if (!strcmp(fileName, "."))
+    return path;
+
+  // appending ".." goes up one directory
+  if (!strcmp(fileName, "..")) {
+    for (i = path->getLength() - 2; i >= 0; --i) {
+      if (path->getChar(i) == '/' || path->getChar(i) == '\\' ||
+	  path->getChar(i) == ':')
+	break;
+    }
+    if (i <= 0) {
+      if (path->getChar(0) == '/' || path->getChar(0) == '\\') {
+	path->del(1, path->getLength() - 1);
+      } else if (path->getLength() >= 2 && path->getChar(1) == ':') {
+	path->del(2, path->getLength() - 2);
+      } else {
+	path->clear();
+	path->append("..");
+      }
+    } else {
+      if (path->getChar(i-1) == ':')
+	++i;
+      path->del(i, path->getLength() - i);
+    }
+    return path;
+  }
+
+  // otherwise, append "/" and new path component
+  if (path->getLength() > 0 &&
+      path->getChar(path->getLength() - 1) != '/' &&
+      path->getChar(path->getLength() - 1) != '\\')
+    path->append('/');
+  path->append(fileName);
+  return path;
+
+#else
+  //---------- Unix ----------
+  int i;
+
+  // appending "." does nothing
+  if (!strcmp(fileName, "."))
+    return path;
+
+  // appending ".." goes up one directory
+  if (!strcmp(fileName, "..")) {
+    for (i = path->getLength() - 2; i >= 0; --i) {
+      if (path->getChar(i) == '/')
+	break;
+    }
+    if (i <= 0) {
+      if (path->getChar(0) == '/') {
+	path->del(1, path->getLength() - 1);
+      } else {
+	path->clear();
+	path->append("..");
+      }
+    } else {
+      path->del(i, path->getLength() - i);
+    }
+    return path;
+  }
+
+  // otherwise, append "/" and new path component
+  if (path->getLength() > 0 &&
+      path->getChar(path->getLength() - 1) != '/')
+    path->append('/');
+  path->append(fileName);
+  return path;
+#endif
+}
+
+GString *grabPath(const char *fileName) {
+#ifdef VMS
+  //---------- VMS ----------
+  const char *p;
+
+  if ((p = strrchr(fileName, ']')))
+    return new GString(fileName, p + 1 - fileName);
+  if ((p = strrchr(fileName, ':')))
+    return new GString(fileName, p + 1 - fileName);
+  return new GString();
+
+#elif defined(__EMX__) || defined(WIN32)
+  //---------- OS/2+EMX and Win32 ----------
+  const char *p;
+
+  if ((p = strrchr(fileName, '/')))
+    return new GString(fileName, p - fileName);
+  if ((p = strrchr(fileName, '\\')))
+    return new GString(fileName, p - fileName);
+  if ((p = strrchr(fileName, ':')))
+    return new GString(fileName, p + 1 - fileName);
+  return new GString();
+
+#elif defined(ACORN)
+  //---------- RISCOS ----------
+  const char *p;
+
+  if ((p = strrchr(fileName, '.')))
+    return new GString(fileName, p - fileName);
+  return new GString();
+
+#elif defined(MACOS)
+  //---------- MacOS ----------
+  const char *p;
+
+  if ((p = strrchr(fileName, ':')))
+    return new GString(fileName, p - fileName);
+  return new GString();
+
+#else
+  //---------- Unix ----------
+  const char *p;
+
+  if ((p = strrchr(fileName, '/')))
+    return new GString(fileName, p - fileName);
+  return new GString();
+#endif
+}
+
+GBool isAbsolutePath(const char *path) {
+#ifdef VMS
+  //---------- VMS ----------
+  return strchr(path, ':') ||
+	 (path[0] == '[' && path[1] != '.' && path[1] != '-');
+
+#elif defined(__EMX__) || defined(WIN32)
+  //---------- OS/2+EMX and Win32 ----------
+  return path[0] == '/' || path[0] == '\\' || path[1] == ':';
+
+#elif defined(ACORN)
+  //---------- RISCOS ----------
+  return path[0] == '$';
+
+#elif defined(MACOS)
+  //---------- MacOS ----------
+  return path[0] != ':';
+
+#else
+  //---------- Unix ----------
+  return path[0] == '/';
+#endif
+}
+
+GString *makePathAbsolute(GString *path) {
+#ifdef VMS
+  //---------- VMS ----------
+  char buf[PATH_MAX+1];
+
+  if (!isAbsolutePath(path->getCString())) {
+    if (getcwd(buf, sizeof(buf))) {
+      path->insert(0, buf);
+    }
+  }
+  return path;
+
+#elif defined(WIN32)
+  //---------- Win32 ----------
+  char buf[_MAX_PATH];
+  char *fp;
+
+  buf[0] = '\0';
+  if (!GetFullPathName(path->getCString(), _MAX_PATH, buf, &fp)) {
+    path->clear();
+    return path;
+  }
+  path->clear();
+  path->append(buf);
+  return path;
+
+#elif defined(ACORN)
+  //---------- RISCOS ----------
+  path->insert(0, '@');
+  return path;
+
+#elif defined(MACOS)
+  //---------- MacOS ----------
+  path->del(0, 1);
+  return path;
+
+#else
+  //---------- Unix and OS/2+EMX ----------
+  struct passwd *pw;
+  char buf[PATH_MAX+1];
+  GString *s;
+  char *p1, *p2;
+  int n;
+
+  if (path->getChar(0) == '~') {
+    if (path->getChar(1) == '/' ||
+#ifdef __EMX__
+	path->getChar(1) == '\\' ||
+#endif
+	path->getLength() == 1) {
+      path->del(0, 1);
+      s = getHomeDir();
+      path->insert(0, s);
+      delete s;
+    } else {
+      p1 = path->getCString() + 1;
+#ifdef __EMX__
+      for (p2 = p1; *p2 && *p2 != '/' && *p2 != '\\'; ++p2) ;
+#else
+      for (p2 = p1; *p2 && *p2 != '/'; ++p2) ;
+#endif
+      if ((n = p2 - p1) > PATH_MAX)
+	n = PATH_MAX;
+      strncpy(buf, p1, n);
+      buf[n] = '\0';
+      if ((pw = getpwnam(buf))) {
+	path->del(0, p2 - p1 + 1);
+	path->insert(0, pw->pw_dir);
+      }
+    }
+  } else if (!isAbsolutePath(path->getCString())) {
+    if (getcwd(buf, sizeof(buf))) {
+#ifndef __EMX__
+      path->insert(0, '/');
+#endif
+      path->insert(0, buf);
+    }
+  }
+  return path;
+#endif
+}
+
+time_t getModTime(const char *fileName) {
+#ifdef WIN32
+  //~ should implement this, but it's (currently) only used in xpdf
+  return 0;
+#else
+  struct stat statBuf;
+
+  if (stat(fileName, &statBuf)) {
+    return 0;
+  }
+  return statBuf.st_mtime;
+#endif
+}
+
+GBool openTempFile(GString **name, FILE **f, const char *mode, const char *ext) {
+#if defined(VMS) || defined(__EMX__) || defined(WIN32) || defined(ACORN) || defined(MACOS)
+  //---------- non-Unix ----------
+  char *s;
+
+  // There is a security hole here: an attacker can create a symlink
+  // with this file name after the tmpnam call and before the fopen
+  // call.  I will happily accept fixes to this function for non-Unix
+  // OSs.
+  if (!(s = tmpnam(NULL))) {
+    return gFalse;
+  }
+  *name = new GString(s);
+  if (ext) {
+    (*name)->append(ext);
+  }
+  if (!(*f = fopen((*name)->getCString(), mode))) {
+    delete (*name);
+    return gFalse;
+  }
+  return gTrue;
+#else
+  //---------- Unix ----------
+  char *s;
+  int fd;
+
+  // MRS: Currently there is no standard function for creating a temporary
+  //      file with an extension; this is required when uncompressing
+  //      LZW data using the uncompress program on some UNIX, which is
+  //      looking for a ".Z" extension on the temporary filename.  Sooo,
+  //      when you print an *OLD* PDF file that uses LZW compression,
+  //      the tmpnam() function is usually the one that is called to
+  //      create the temporary file.  Under *BSD, the safer mkstemps()
+  //      function is used instead.
+  //
+  //      That said, all CUPS filters are run with TMPDIR pointing to
+  //      a private temporary directory, which by default is only
+  //      accessible to the 'lp' user.  Also, most files use Flate
+  //      compression now and will be able to use the (safer)
+  //      mkstemp() function for any temporary files...
+
+  if (ext) {
+#  if HAVE_MKSTEMPS
+    if ((s = getenv("TMPDIR"))) {
+      *name = new GString(s);
+    } else {
+      *name = new GString("/tmp");
+    }
+    (*name)->append("/XXXXXX");
+    (*name)->append(ext);
+    fd = mkstemps((*name)->getCString(), strlen(ext));
+# else // HAVE_MKSTEMPS
+  char *p;
+    if (!(s = tmpnam(NULL))) {
+      return gFalse;
+    }
+    *name = new GString(s);
+    s = (*name)->getCString();
+    if ((p = strrchr(s, '.'))) {
+      (*name)->del(p - s, (*name)->getLength() - (p - s));
+    }
+    (*name)->append(ext);
+    fd = open((*name)->getCString(), O_WRONLY | O_CREAT | O_EXCL, 0600);
+#  endif // HAVE_MKSTEMPS
+  } else {
+#  if HAVE_MKSTEMP
+    if ((s = getenv("TMPDIR"))) {
+      *name = new GString(s);
+    } else {
+      *name = new GString("/tmp");
+    }
+    (*name)->append("/XXXXXX");
+    fd = mkstemp((*name)->getCString());
+#  else // HAVE_MKSTEMP
+    if (!(s = tmpnam(NULL))) {
+      return gFalse;
+    }
+    *name = new GString(s);
+    fd = open((*name)->getCString(), O_WRONLY | O_CREAT | O_EXCL, 0600);
+#  endif // HAVE_MKSTEMP
+  }
+  if (fd < 0 || !(*f = fdopen(fd, mode))) {
+    delete *name;
+    return gFalse;
+  }
+  return gTrue;
+#endif
+}
+
+//------------------------------------------------------------------------
+// GDir and GDirEntry
+//------------------------------------------------------------------------
+
+GDirEntry::GDirEntry(const char *dirPath, const char *name1, GBool doStat) {
+#ifdef VMS
+  char *p;
+#elif defined(WIN32)
+  int fa;
+  GString *s;
+#elif defined(ACORN)
+#else
+  struct stat st;
+  GString *s;
+#endif
+
+  name = new GString(name1);
+  dir = gFalse;
+  if (doStat) {
+#ifdef VMS
+    if (!strcmp(name1, "-") ||
+	((p = strrchr(name1, '.')) && !strncmp(p, ".DIR;", 5)))
+      dir = gTrue;
+#elif defined(ACORN)
+#else
+    s = new GString(dirPath);
+    appendToPath(s, name1);
+#ifdef WIN32
+    fa = GetFileAttributes(s->getCString());
+    dir = (fa != 0xFFFFFFFF && (fa & FILE_ATTRIBUTE_DIRECTORY));
+#else
+    if (stat(s->getCString(), &st) == 0)
+      dir = S_ISDIR(st.st_mode);
+#endif
+    delete s;
+#endif
+  }
+}
+
+GDirEntry::~GDirEntry() {
+  delete name;
+}
+
+GDir::GDir(const char *name, GBool doStat1) {
+  path = new GString(name);
+  doStat = doStat1;
+#if defined(WIN32)
+  GString *tmp;
+
+  tmp = path->copy();
+  tmp->append("/*.*");
+  hnd = FindFirstFile(tmp->getCString(), &ffd);
+  delete tmp;
+#elif defined(ACORN)
+#elif defined(MACOS)
+#else
+  dir = opendir(name);
+#ifdef VMS
+  needParent = strchr(name, '[') != NULL;
+#endif
+#endif
+}
+
+GDir::~GDir() {
+  delete path;
+#if defined(WIN32)
+  if (hnd) {
+    FindClose(hnd);
+    hnd = NULL;
+  }
+#elif defined(ACORN)
+#elif defined(MACOS)
+#else
+  if (dir)
+    closedir(dir);
+#endif
+}
+
+GDirEntry *GDir::getNextEntry() {
+  struct dirent *ent;
+  GDirEntry *e;
+
+  e = NULL;
+#if defined(WIN32)
+  e = new GDirEntry(path->getCString(), ffd.cFileName, doStat);
+  if (hnd  && !FindNextFile(hnd, &ffd)) {
+    FindClose(hnd);
+    hnd = NULL;
+  }
+#elif defined(ACORN)
+#elif defined(MACOS)
+#else
+  if (dir) {
+#ifdef VMS
+    if (needParent) {
+      e = new GDirEntry(path->getCString(), "-", doStat);
+      needParent = gFalse;
+      return e;
+    }
+#endif
+    ent = readdir(dir);
+#ifndef VMS
+    if (ent && !strcmp(ent->d_name, "."))
+      ent = readdir(dir);
+#endif
+    if (ent)
+      e = new GDirEntry(path->getCString(), ent->d_name, doStat);
+  }
+#endif
+  return e;
+}
+
+void GDir::rewind() {
+#ifdef WIN32
+  GString *tmp;
+
+  if (hnd)
+    FindClose(hnd);
+  tmp = path->copy();
+  tmp->append("/*.*");
+  hnd = FindFirstFile(tmp->getCString(), &ffd);
+#elif defined(ACORN)
+#elif defined(MACOS)
+#else
+  if (dir)
+    rewinddir(dir);
+#ifdef VMS
+  needParent = strchr(path->getCString(), '[') != NULL;
+#endif
+#endif
+}
diff --git a/pdftops/gfile.h b/pdftops/gfile.h
new file mode 100644
index 000000000..49c6888ca
--- /dev/null
+++ b/pdftops/gfile.h
@@ -0,0 +1,132 @@
+//========================================================================
+//
+// gfile.h
+//
+// Miscellaneous file and directory name manipulation.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef GFILE_H
+#define GFILE_H
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#if defined(WIN32)
+#  include <sys/stat.h>
+#  ifdef FPTEX
+#    include <win32lib.h>
+#  else
+#    include <windows.h>
+#  endif
+#elif defined(ACORN)
+#elif defined(MACOS)
+#  include <ctime.h>
+#else
+#  include <unistd.h>
+#  include <sys/types.h>
+#  ifdef VMS
+#    include "vms_dirent.h"
+#  elif HAVE_DIRENT_H
+#    include <dirent.h>
+#    define NAMLEN(d) strlen((d)->d_name)
+#  else
+#    define dirent direct
+#    define NAMLEN(d) (d)->d_namlen
+#    if HAVE_SYS_NDIR_H
+#      include <sys/ndir.h>
+#    endif
+#    if HAVE_SYS_DIR_H
+#      include <sys/dir.h>
+#    endif
+#    if HAVE_NDIR_H
+#      include <ndir.h>
+#    endif
+#  endif
+#endif
+#include "gtypes.h"
+
+class GString;
+
+//------------------------------------------------------------------------
+
+// Get home directory path.
+extern GString *getHomeDir();
+
+// Get current directory.
+extern GString *getCurrentDir();
+
+// Append a file name to a path string.  <path> may be an empty
+// string, denoting the current directory).  Returns <path>.
+extern GString *appendToPath(GString *path, const char *fileName);
+
+// Grab the path from the front of the file name.  If there is no
+// directory component in <fileName>, returns an empty string.
+extern GString *grabPath(const char *fileName);
+
+// Is this an absolute path or file name?
+extern GBool isAbsolutePath(const char *path);
+
+// Make this path absolute by prepending current directory (if path is
+// relative) or prepending user's directory (if path starts with '~').
+GString *makePathAbsolute(GString *path);
+
+// Get the modification time for <fileName>.  Returns 0 if there is an
+// error.
+time_t getModTime(const char *fileName);
+
+// Create a temporary file and open it for writing.  If <ext> is not
+// NULL, it will be used as the file name extension.  Returns both the
+// name and the file pointer.  For security reasons, all writing
+// should be done to the returned file pointer; the file may be
+// reopened later for reading, but not for writing.  The <mode> string
+// should be "w" or "wb".  Returns true on success.
+GBool openTempFile(GString **name, FILE **f, const char *mode, const char *ext);
+
+//------------------------------------------------------------------------
+// GDir and GDirEntry
+//------------------------------------------------------------------------
+
+class GDirEntry {
+public:
+
+  GDirEntry(const char *dirPath, const char *name1, GBool doStat);
+  ~GDirEntry();
+  GString *getName() { return name; }
+  GBool isDir() { return dir; }
+
+private:
+
+  GString *name;		// dir/file name
+  GBool dir;			// is it a directory?
+};
+
+class GDir {
+public:
+
+  GDir(const char *name, GBool doStat1 = gTrue);
+  ~GDir();
+  GDirEntry *getNextEntry();
+  void rewind();
+
+private:
+
+  GString *path;		// directory path
+  GBool doStat;			// call stat() for each entry?
+#if defined(WIN32)
+  WIN32_FIND_DATA ffd;
+  HANDLE hnd;
+#elif defined(ACORN)
+#elif defined(MACOS)
+#else
+  DIR *dir;			// the DIR structure from opendir()
+#ifdef VMS
+  GBool needParent;		// need to return an entry for [-]
+#endif
+#endif
+};
+
+#endif
diff --git a/pdftops/gmem.c b/pdftops/gmem.c
new file mode 100644
index 000000000..5b3743db3
--- /dev/null
+++ b/pdftops/gmem.c
@@ -0,0 +1,203 @@
+/*
+ * gmem.c
+ *
+ * Memory routines with out-of-memory checking.
+ *
+ * Copyright 1996 Derek B. Noonburg
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include "gmem.h"
+
+#ifdef DEBUG_MEM
+
+typedef struct _GMemHdr {
+  int size;
+  int index;
+  struct _GMemHdr *next;
+} GMemHdr;
+
+#define gMemHdrSize ((sizeof(GMemHdr) + 7) & ~7)
+#define gMemTrlSize (sizeof(long))
+
+#if gmemTrlSize==8
+#define gMemDeadVal 0xdeadbeefdeadbeef
+#else
+#define gMemDeadVal 0xdeadbeef
+#endif
+
+/* round data size so trailer will be aligned */
+#define gMemDataSize(size) \
+  ((((size) + gMemTrlSize - 1) / gMemTrlSize) * gMemTrlSize)
+
+#define gMemNLists    64
+#define gMemListShift  4
+#define gMemListMask  (gMemNLists - 1)
+static GMemHdr *gMemList[gMemNLists] = {
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+};
+
+static int gMemIndex = 0;
+static int gMemAlloc = 0;
+
+#endif /* DEBUG_MEM */
+
+void *gmalloc(int size) {
+#ifdef DEBUG_MEM
+  int size1;
+  char *mem;
+  GMemHdr *hdr;
+  void *data;
+  int lst;
+  long *trl, *p;
+
+  if (size == 0)
+    return NULL;
+  size1 = gMemDataSize(size);
+  if (!(mem = (char *)malloc(size1 + gMemHdrSize + gMemTrlSize))) {
+    fprintf(stderr, "Out of memory\n");
+    exit(1);
+  }
+  hdr = (GMemHdr *)mem;
+  data = (void *)(mem + gMemHdrSize);
+  trl = (long *)(mem + gMemHdrSize + size1);
+  hdr->size = size;
+  hdr->index = gMemIndex++;
+  lst = ((int)hdr >> gMemListShift) & gMemListMask;
+  hdr->next = gMemList[lst];
+  gMemList[lst] = hdr;
+  ++gMemAlloc;
+  for (p = (long *)data; p <= trl; ++p)
+    *p = gMemDeadVal;
+  return data;
+#else
+  void *p;
+
+  if (size == 0)
+    return NULL;
+  if (!(p = malloc(size))) {
+    fprintf(stderr, "Out of memory\n");
+    exit(1);
+  }
+  return p;
+#endif
+}
+
+void *grealloc(void *p, int size) {
+#ifdef DEBUG_MEM
+  GMemHdr *hdr;
+  void *q;
+  int oldSize;
+
+  if (size == 0) {
+    if (p)
+      gfree(p);
+    return NULL;
+  }
+  if (p) {
+    hdr = (GMemHdr *)((char *)p - gMemHdrSize);
+    oldSize = hdr->size;
+    q = gmalloc(size);
+    memcpy(q, p, size < oldSize ? size : oldSize);
+    gfree(p);
+  } else {
+    q = gmalloc(size);
+  }
+  return q;
+#else
+  void *q;
+
+  if (size == 0) {
+    if (p)
+      free(p);
+    return NULL;
+  }
+  if (p)
+    q = realloc(p, size);
+  else
+    q = malloc(size);
+  if (!q) {
+    fprintf(stderr, "Out of memory\n");
+    exit(1);
+  }
+  return q;
+#endif
+}
+
+void gfree(void *p) {
+#ifdef DEBUG_MEM
+  int size;
+  GMemHdr *hdr;
+  GMemHdr *prevHdr, *q;
+  int lst;
+  long *trl, *clr;
+
+  if (p) {
+    hdr = (GMemHdr *)((char *)p - gMemHdrSize);
+    lst = ((int)hdr >> gMemListShift) & gMemListMask;
+    for (prevHdr = NULL, q = gMemList[lst]; q; prevHdr = q, q = q->next) {
+      if (q == hdr)
+	break;
+    }
+    if (q) {
+      if (prevHdr)
+	prevHdr->next = hdr->next;
+      else
+	gMemList[lst] = hdr->next;
+      --gMemAlloc;
+      size = gMemDataSize(hdr->size);
+      trl = (long *)((char *)hdr + gMemHdrSize + size);
+      if (*trl != gMemDeadVal) {
+	fprintf(stderr, "Overwrite past end of block %d at address %p\n",
+		hdr->index, p);
+      }
+      for (clr = (long *)hdr; clr <= trl; ++clr)
+	*clr = gMemDeadVal;
+      free(hdr);
+    } else {
+      fprintf(stderr, "Attempted to free bad address %p\n", p);
+    }
+  }
+#else
+  if (p)
+    free(p);
+#endif
+}
+
+#ifdef DEBUG_MEM
+void gMemReport(FILE *f) {
+  GMemHdr *p;
+  int lst;
+
+  fprintf(f, "%d memory allocations in all\n", gMemIndex);
+  if (gMemAlloc > 0) {
+    fprintf(f, "%d memory blocks left allocated:\n", gMemAlloc);
+    fprintf(f, " index     size\n");
+    fprintf(f, "-------- --------\n");
+    for (lst = 0; lst < gMemNLists; ++lst) {
+      for (p = gMemList[lst]; p; p = p->next)
+	fprintf(f, "%8d %8d\n", p->index, p->size);
+    }
+  } else {
+    fprintf(f, "No memory blocks left allocated\n");
+  }
+}
+#endif
+
+char *copyString(const char *s) {
+  char *s1;
+
+  s1 = (char *)gmalloc(strlen(s) + 1);
+  strcpy(s1, s);
+  return s1;
+}
diff --git a/pdftops/gmem.h b/pdftops/gmem.h
new file mode 100644
index 000000000..8c8ca1f4a
--- /dev/null
+++ b/pdftops/gmem.h
@@ -0,0 +1,53 @@
+/*
+ * gmem.h
+ *
+ * Memory routines with out-of-memory checking.
+ *
+ * Copyright 1996 Derek B. Noonburg
+ */
+
+#ifndef GMEM_H
+#define GMEM_H
+
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Same as malloc, but prints error message and exits if malloc()
+ * returns NULL.
+ */
+extern void *gmalloc(int size);
+
+/*
+ * Same as realloc, but prints error message and exits if realloc()
+ * returns NULL.  If <p> is NULL, calls malloc instead of realloc().
+ */
+extern void *grealloc(void *p, int size);
+
+/*
+ * Same as free, but checks for and ignores NULL pointers.
+ */
+extern void gfree(void *p);
+
+#ifdef DEBUG_MEM
+/*
+ * Report on unfreed memory.
+ */
+extern void gMemReport(FILE *f);
+#else
+#define gMemReport(f)
+#endif
+
+/*
+ * Allocate memory and copy a string into it.
+ */
+extern char *copyString(const char *s);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/pdftops/gmempp.cxx b/pdftops/gmempp.cxx
new file mode 100644
index 000000000..6eb64948d
--- /dev/null
+++ b/pdftops/gmempp.cxx
@@ -0,0 +1,31 @@
+//========================================================================
+//
+// gmempp.cc
+//
+// Use gmalloc/gfree for C++ new/delete operators.
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#include "gmem.h"
+
+#ifdef DEBUG_MEM
+
+void *operator new(size_t size) {
+  return gmalloc((int)size);
+}
+
+void *operator new[](size_t size) {
+  return gmalloc((int)size);
+}
+
+void operator delete(void *p) {
+  gfree(p);
+}
+
+void operator delete[](void *p) {
+  gfree(p);
+}
+
+#endif
diff --git a/pdftops/gtypes.h b/pdftops/gtypes.h
new file mode 100644
index 000000000..7a3487663
--- /dev/null
+++ b/pdftops/gtypes.h
@@ -0,0 +1,31 @@
+/*
+ * gtypes.h
+ *
+ * Some useful simple types.
+ *
+ * Copyright 1996 Derek B. Noonburg
+ */
+
+#ifndef GTYPES_H
+#define GTYPES_H
+
+#define HAVE_LIBCUPS
+
+/*
+ * These have stupid names to avoid conflicts with some (but not all)
+ * C++ compilers which define them.
+ */
+typedef int GBool;
+#define gTrue 1
+#define gFalse 0
+
+/*
+ * These have stupid names to avoid conflicts with <sys/types.h>,
+ * which on various systems defines some random subset of these.
+ */
+typedef unsigned char Guchar;
+typedef unsigned short Gushort;
+typedef unsigned int Guint;
+typedef unsigned long Gulong;
+
+#endif
diff --git a/pdftops/parseargs.c b/pdftops/parseargs.c
new file mode 100644
index 000000000..ceba88779
--- /dev/null
+++ b/pdftops/parseargs.c
@@ -0,0 +1,190 @@
+/*
+ * parseargs.h
+ *
+ * Command line argument parser.
+ *
+ * Copyright 1996 Derek B. Noonburg
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "parseargs.h"
+
+static ArgDesc *findArg(ArgDesc *args, char *arg);
+static GBool grabArg(ArgDesc *arg, int i, int *argc, char *argv[]);
+
+GBool parseArgs(ArgDesc *args, int *argc, char *argv[]) {
+  ArgDesc *arg;
+  int i, j;
+  GBool ok;
+
+  ok = gTrue;
+  i = 1;
+  while (i < *argc) {
+    if (!strcmp(argv[i], "--")) {
+      --*argc;
+      for (j = i; j < *argc; ++j)
+	argv[j] = argv[j+1];
+      break;
+    } else if ((arg = findArg(args, argv[i]))) {
+      if (!grabArg(arg, i, argc, argv))
+	ok = gFalse;
+    } else {
+      ++i;
+    }
+  }
+  return ok;
+}
+
+void printUsage(char *program, char *otherArgs, ArgDesc *args) {
+  ArgDesc *arg;
+  char *typ;
+  int w, w1;
+
+  w = 0;
+  for (arg = args; arg->arg; ++arg) {
+    if ((w1 = strlen(arg->arg)) > w)
+      w = w1;
+  }
+
+  fprintf(stderr, "Usage: %s [options]", program);
+  if (otherArgs)
+    fprintf(stderr, " %s", otherArgs);
+  fprintf(stderr, "\n");
+
+  for (arg = args; arg->arg; ++arg) {
+    fprintf(stderr, "  %s", arg->arg);
+    w1 = 9 + w - strlen(arg->arg);
+    switch (arg->kind) {
+    case argInt:
+    case argIntDummy:
+      typ = " <int>";
+      break;
+    case argFP:
+    case argFPDummy:
+      typ = " <fp>";
+      break;
+    case argString:
+    case argStringDummy:
+      typ = " <string>";
+      break;
+    case argFlag:
+    case argFlagDummy:
+    default:
+      typ = "";
+      break;
+    }
+    fprintf(stderr, "%-*s", w1, typ);
+    if (arg->usage)
+      fprintf(stderr, ": %s", arg->usage);
+    fprintf(stderr, "\n");
+  }
+}
+
+static ArgDesc *findArg(ArgDesc *args, char *arg) {
+  ArgDesc *p;
+
+  for (p = args; p->arg; ++p) {
+    if (p->kind < argFlagDummy && !strcmp(p->arg, arg))
+      return p;
+  }
+  return NULL;
+}
+
+static GBool grabArg(ArgDesc *arg, int i, int *argc, char *argv[]) {
+  int n;
+  int j;
+  GBool ok;
+
+  ok = gTrue;
+  n = 0;
+  switch (arg->kind) {
+  case argFlag:
+    *(GBool *)arg->val = gTrue;
+    n = 1;
+    break;
+  case argInt:
+    if (i + 1 < *argc && isInt(argv[i+1])) {
+      *(int *)arg->val = atoi(argv[i+1]);
+      n = 2;
+    } else {
+      ok = gFalse;
+      n = 1;
+    }
+    break;
+  case argFP:
+    if (i + 1 < *argc && isFP(argv[i+1])) {
+      *(double *)arg->val = atof(argv[i+1]);
+      n = 2;
+    } else {
+      ok = gFalse;
+      n = 1;
+    }
+    break;
+  case argString:
+    if (i + 1 < *argc) {
+      strncpy((char *)arg->val, argv[i+1], arg->size - 1);
+      ((char *)arg->val)[arg->size - 1] = '\0';
+      n = 2;
+    } else {
+      ok = gFalse;
+      n = 1;
+    }
+    break;
+  default:
+    fprintf(stderr, "Internal error in arg table\n");
+    n = 1;
+    break;
+  }
+  if (n > 0) {
+    *argc -= n;
+    for (j = i; j < *argc; ++j)
+      argv[j] = argv[j+n];
+  }
+  return ok;
+}
+
+GBool isInt(char *s) {
+  if (*s == '-' || *s == '+')
+    ++s;
+  while (isdigit(*s))
+    ++s;
+  if (*s)
+    return gFalse;
+  return gTrue;
+}
+
+GBool isFP(char *s) {
+  int n;
+
+  if (*s == '-' || *s == '+')
+    ++s;
+  n = 0;
+  while (isdigit(*s)) {
+    ++s;
+    ++n;
+  }
+  if (*s == '.')
+    ++s;
+  while (isdigit(*s)) {
+    ++s;
+    ++n;
+  }
+  if (n > 0 && (*s == 'e' || *s == 'E')) {
+    ++s;
+    if (*s == '-' || *s == '+')
+      ++s;
+    n = 0;
+    if (!isdigit(*s))
+      return gFalse;
+    do {
+      ++s;
+    } while (isdigit(*s));
+  }
+  if (*s)
+    return gFalse;
+  return gTrue;
+}
diff --git a/pdftops/parseargs.h b/pdftops/parseargs.h
new file mode 100644
index 000000000..e0aa2be33
--- /dev/null
+++ b/pdftops/parseargs.h
@@ -0,0 +1,71 @@
+/*
+ * parseargs.h
+ *
+ * Command line argument parser.
+ *
+ * Copyright 1996 Derek B. Noonburg
+ */
+
+#ifndef PARSEARGS_H
+#define PARSEARGS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "gtypes.h"
+
+/*
+ * Argument kinds.
+ */
+typedef enum {
+  argFlag,			/* flag (present / not-present) */
+				/*   [val: GBool *]             */
+  argInt,			/* integer arg    */
+				/*   [val: int *] */
+  argFP,			/* floating point arg */
+				/*   [val: double *]  */
+  argString,			/* string arg      */
+				/*   [val: char *] */
+  /* dummy entries -- these show up in the usage listing only; */
+  /* useful for X args, for example                            */
+  argFlagDummy,
+  argIntDummy,
+  argFPDummy,
+  argStringDummy
+} ArgKind;
+
+/*
+ * Argument descriptor.
+ */
+typedef struct {
+  char *arg;			/* the command line switch */
+  ArgKind kind;			/* kind of arg */
+  void *val;			/* place to store value */
+  int size;			/* for argString: size of string */
+  char *usage;			/* usage string */
+} ArgDesc;
+
+/*
+ * Parse command line.  Removes all args which are found in the arg
+ * descriptor list <args>.  Stops parsing if "--" is found (and removes
+ * it).  Returns gFalse if there was an error.
+ */
+extern GBool parseArgs(ArgDesc *args, int *argc, char *argv[]);
+
+/*
+ * Print usage message, based on arg descriptor list.
+ */
+extern void printUsage(char *program, char *otherArgs, ArgDesc *args);
+
+/*
+ * Check if a string is a valid integer or floating point number.
+ */
+extern GBool isInt(char *s);
+extern GBool isFP(char *s);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/pdftops/pdftops.cxx b/pdftops/pdftops.cxx
new file mode 100644
index 000000000..fe107f945
--- /dev/null
+++ b/pdftops/pdftops.cxx
@@ -0,0 +1,157 @@
+//========================================================================
+//
+// pdftops.cc
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include "parseargs.h"
+#include "GString.h"
+#include "gmem.h"
+#include "Object.h"
+#include "Stream.h"
+#include "Array.h"
+#include "Dict.h"
+#include "XRef.h"
+#include "Catalog.h"
+#include "Page.h"
+#include "PDFDoc.h"
+#include "PSOutputDev.h"
+#include "Params.h"
+#include "Error.h"
+#include "config.h"
+
+#include <cups/cups.h>
+
+int main(int argc, char *argv[]) {
+  PDFDoc	*doc;
+  GString	*fileName;
+  GString	*psFileName;
+  PSOutLevel	level;
+  PSOutputDev	*psOut;
+  int		num_options;
+  cups_option_t	*options;
+  ppd_file_t	*ppd;
+  ppd_size_t	*size;
+  FILE		*fp;
+  const char	*server_root;
+  char		tempfile[1024];
+  char		buffer[8192];
+  int		bytes;
+  int		width, length;
+
+
+  // Make sure status messages are not buffered...
+  setbuf(stderr, NULL);
+
+  // Send all error messages...
+  errQuiet = 0;
+
+  // Make sure we have the right number of arguments for CUPS!
+  if (argc < 6 || argc > 7) {
+    fputs("Usage: pdftops job user title copies options [filename]\n", stderr);
+    return (1);
+  }
+
+  // Copy stdin if needed...
+  if (argc == 6) {
+    if ((fp = fopen(cupsTempFile(tempfile, sizeof(tempfile)), "w")) == NULL) {
+      perror("ERROR: Unable to copy PDF file");
+      return (1);
+    }
+
+    fprintf(stderr, "DEBUG: pdftops - copying to temp print file \"%s\"\n",
+            tempfile);
+
+    while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
+      fwrite(buffer, 1, bytes, fp);
+    fclose(fp);
+
+    fileName = new GString(tempfile);
+  } else {
+    fileName = new GString(argv[6]);
+    tempfile[0] = '\0';
+  }
+
+  // Default to "Universal" size - min of A4 and Letter...
+  width  = 595;
+  length = 792;
+  level  = psLevel2;
+
+  // Get PPD and initialize options as needed...
+  if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL)
+  {
+    fprintf(stderr, "DEBUG: pdftops - opened PPD file \"%s\"...\n", getenv("PPD"));
+
+    ppdMarkDefaults(ppd);
+    num_options = cupsParseOptions(argv[5], 0, &options);
+    cupsMarkOptions(ppd, num_options, options);
+    cupsFreeOptions(num_options, options);
+
+    if ((size = ppdPageSize(ppd, NULL)) != NULL)
+    {
+      width  = (int)size->width;
+      length = (int)size->length;
+    }
+
+    level = ppd->language_level == 1 ? psLevel1 : psLevel2;
+
+    ppdClose(ppd);
+  }
+
+  fprintf(stderr, "DEBUG: pdftops - level = %d, width = %d, length = %d\n",
+          level, width, length);
+
+  // init error file
+  errorInit();
+
+  // read config file
+  if ((server_root = getenv("CUPS_SERVERROOT")) == NULL)
+    server_root = CUPS_SERVERROOT;
+
+  sprintf(tempfile, "%s/pdftops.conf", server_root);
+  initParams("", tempfile);
+
+  // open PDF file
+  doc = new PDFDoc(fileName, NULL, NULL, getenv("DEBUG") != NULL);
+
+  // check for print permission
+  if (doc->isOk() && doc->okToPrint())
+  {
+    // CUPS always writes to stdout...
+    psFileName = new GString("-");
+
+    // write PostScript file
+    psOut = new PSOutputDev(psFileName->getCString(), doc->getXRef(),
+                            doc->getCatalog(), 1, doc->getNumPages(),
+			    level, psModePS, 0, 1, 1, width, length);
+    if (psOut->isOk())
+      doc->displayPages(psOut, 1, doc->getNumPages(), 72, 0, gFalse);
+    delete psOut;
+
+    // clean up
+    delete psFileName;
+  }
+  else
+  {
+    error(-1, "Unable to print this document.");
+  }
+
+  delete doc;
+  freeParams();
+
+  // check for memory leaks
+  Object::memCheck(stderr);
+  gMemReport(stderr);
+
+  // Remove temp file if needed...
+  if (tempfile[0])
+    unlink(tempfile);
+
+  return 0;
+}
diff --git a/ppd/Makefile b/ppd/Makefile
new file mode 100644
index 000000000..73fa3c194
--- /dev/null
+++ b/ppd/Makefile
@@ -0,0 +1,63 @@
+#
+# "$Id$"
+#
+#   PPD file makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# PPD files...
+#
+
+FILES	=	deskjet.ppd deskjet2.ppd dymo.ppd epson9.ppd epson24.ppd \
+		laserjet.ppd okidata9.ppd okidat24.ppd stcolor.ppd \
+		stcolor2.ppd stphoto.ppd stphoto2.ppd
+
+
+#
+# Make everything...
+#
+
+all:
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(DATADIR)/model
+	for file in $(FILES); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/model; \
+	done
+
+
+#
+# End of "$Id$".
+#
diff --git a/ppd/deskjet.ppd b/ppd/deskjet.ppd
new file mode 100644
index 000000000..3df9a913b
--- /dev/null
+++ b/ppd/deskjet.ppd
@@ -0,0 +1,198 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample HP DeskJet driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"DESKJET.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsFilter:	"application/vnd.cups-raster 0 rastertohp"
+*cupsModelNumber: 1
+*ModelName:     "HP DeskJet Series"
+*ShortNickName: "HP DeskJet Series"
+*NickName:      "HP DeskJet Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*UIConstraints: *PageSize Executive *InputSlot Envelope
+*UIConstraints: *PageSize Letter *InputSlot Envelope
+*UIConstraints: *PageSize Legal *InputSlot Envelope
+*UIConstraints: *PageSize Tabloid *InputSlot Envelope
+*UIConstraints: *PageSize A3 *InputSlot Envelope
+*UIConstraints: *PageSize A4 *InputSlot Envelope
+*UIConstraints: *PageSize A5 *InputSlot Envelope
+*UIConstraints: *PageSize B5 *InputSlot Envelope
+*UIConstraints: *Resolution 600dpi *ColorModel CMYK
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageSize Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageSize A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageSize A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageSize B5/B5 (JIS):		"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageSize EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageSize Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageSize EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageSize EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageSize EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageRegion Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageRegion A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageRegion A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageRegion B5/B5 (JIS):	"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageRegion Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter/US Letter:	"18 36 594 756"
+*ImageableArea Legal/US Legal:		"18 36 594 972"
+*ImageableArea Executive/US Executive:	"18 36 504 684"
+*ImageableArea Tabloid/US Tabloid:	"18 36 774 1188"
+*ImageableArea A3/A3:			"18 36 824 1155"
+*ImageableArea A4/A4:			"18 36 577 806"
+*ImageableArea A5/A5:			"18 36 403 559"
+*ImageableArea B5/JIS B5:		"18 36 498 693"
+*ImageableArea EnvISOB5/B5 (ISO):	"18 36 463 673"
+*ImageableArea Env10/Com-10:		"18 36 279 648"
+*ImageableArea EnvC5/EnvC5:		"18 36 441 613"
+*ImageableArea EnvDL/EnvDL:		"18 36 294 588"
+*ImageableArea EnvMonarch/Envelope Monarch: "18 36 261 504"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter/US Letter:	"612 792"
+*PaperDimension Legal/US Legal:		"612 1008"
+*PaperDimension Executive/US Executive:	"522 756"
+*PaperDimension Tabloid/US Tabloid:	"792 1224"
+*PaperDimension A3/A3:			"842 1191"
+*PaperDimension A4/A4:			"595 842"
+*PaperDimension A5/A5:			"421 595"
+*PaperDimension B5/B5 (JIS):		"516 729"
+*PaperDimension EnvISOB5/Envelope B5:	"499 709"
+*PaperDimension Env10/Envelope #10:	"297 684"
+*PaperDimension EnvC5/Envelope C5:	"459 649"
+*PaperDimension EnvDL/Envelope DL:	"312 624"
+*PaperDimension EnvMonarch/Envelope Monarch: "279 540"
+
+*OpenUI *MediaType/Media Type: PickOne
+*OrderDependency: 10 AnySetup *MediaType
+*DefaultMediaType: Plain
+*MediaType Plain/Plain Paper:	"<</MediaType(Plain)/cupsMediaType 0>>setpagedevice"
+*MediaType Bond/Bond Paper:	"<</MediaType(Bond)/cupsMediaType 1>>setpagedevice"
+*MediaType Special/Special Paper: "<</MediaType(Special)/cupsMediaType 2>>setpagedevice"
+*MediaType Transparency/Transparency: "<</MediaType(Transparency)/cupsMediaType 3>>setpagedevice"
+*MediaType Glossy/Glossy Paper:	"<</MediaType(Glossy)/cupsMediaType 4>>setpagedevice"
+*CloseUI: *MediaType
+
+*OpenUI *InputSlot/Media Source: PickOne
+*OrderDependency: 10 AnySetup *InputSlot
+*DefaultInputSlot: Tray
+*InputSlot Tray/Tray: "<</cupsMediaPosition 1>>setpagedevice"
+*InputSlot Manual/Manual Feed: "<</cupsMediaPosition 2>>setpagedevice"
+*InputSlot Envelope/Envelope Feed: "<</cupsMediaPosition 3>>setpagedevice"
+*CloseUI: *InputSlot
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 300dpi
+*Resolution 150dpi/150 DPI: "<</HWResolution[150 150]>>setpagedevice"
+*Resolution 300dpi/300 DPI: "<</HWResolution[300 300]>>setpagedevice"
+*Resolution 600dpi/600 DPI: "<</HWResolution[600 600]/cupsColorSpace 3>>setpagedevice"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/CMYK Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 2>>setpagedevice"
+*ColorModel RGB/CMY Color: "<</cupsColorOrder 1/cupsColorSpace 4/cupsCompression 2>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/deskjet2.ppd b/ppd/deskjet2.ppd
new file mode 100644
index 000000000..fa105ef1f
--- /dev/null
+++ b/ppd/deskjet2.ppd
@@ -0,0 +1,217 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Second sample HP DeskJet driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"DESKJET2.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsFilter:	"application/vnd.cups-raster 0 rastertohp"
+*cupsModelNumber: 2
+*cupsFlipDuplex: True
+*cupsColorProfile -/-:	"1.0 1.5 1.0 -0.25 -0.225 -0.25 1.0 -0.225 -0.25 -0.25 0.9"
+
+*ModelName:     "HP New DeskJet Series"
+*ShortNickName: "HP New DeskJet Series"
+*NickName:      "HP New DeskJet Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*UIConstraints: *PageSize Executive *InputSlot Envelope
+*UIConstraints: *PageSize Letter *InputSlot Envelope
+*UIConstraints: *PageSize Legal *InputSlot Envelope
+*UIConstraints: *PageSize Tabloid *InputSlot Envelope
+*UIConstraints: *PageSize A3 *InputSlot Envelope
+*UIConstraints: *PageSize A4 *InputSlot Envelope
+*UIConstraints: *PageSize A5 *InputSlot Envelope
+*UIConstraints: *PageSize B5 *InputSlot Envelope
+*UIConstraints:	*Duplex *Option1 False
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageSize Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageSize A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageSize A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageSize B5/B5 (JIS):		"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageSize EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageSize Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageSize EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageSize EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageSize EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageRegion Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageRegion A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageRegion A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageRegion B5/B5 (JIS):	"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageRegion Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter/US Letter:	"18 36 594 786"
+*ImageableArea Legal/US Legal:		"18 36 594 1002"
+*ImageableArea Executive/US Executive:	"18 36 504 714"
+*ImageableArea Tabloid/US Tabloid:	"18 36 774 1218"
+*ImageableArea A3/A3:			"18 36 824 1185"
+*ImageableArea A4/A4:			"18 36 577 836"
+*ImageableArea A5/A5:			"18 36 403 589"
+*ImageableArea B5/JIS B5:		"18 36 498 723"
+*ImageableArea EnvISOB5/B5 (ISO):	"18 36 463 703"
+*ImageableArea Env10/Com-10:		"18 36 279 678"
+*ImageableArea EnvC5/EnvC5:		"18 36 441 643"
+*ImageableArea EnvDL/EnvDL:		"18 36 294 618"
+*ImageableArea EnvMonarch/Envelope Monarch: "18 36 261 534"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter/US Letter:	"612 792"
+*PaperDimension Legal/US Legal:		"612 1008"
+*PaperDimension Executive/US Executive:	"522 756"
+*PaperDimension Tabloid/US Tabloid:	"792 1224"
+*PaperDimension A3/A3:			"842 1191"
+*PaperDimension A4/A4:			"595 842"
+*PaperDimension A5/A5:			"421 595"
+*PaperDimension B5/B5 (JIS):		"516 729"
+*PaperDimension EnvISOB5/Envelope B5:	"499 709"
+*PaperDimension Env10/Envelope #10:	"297 684"
+*PaperDimension EnvC5/Envelope C5:	"459 649"
+*PaperDimension EnvDL/Envelope DL:	"312 624"
+*PaperDimension EnvMonarch/Envelope Monarch: "279 540"
+
+*OpenUI *MediaType/Media Type: PickOne
+*OrderDependency: 10 AnySetup *MediaType
+*DefaultMediaType: Plain
+*MediaType Plain/Plain Paper:	"<</MediaType(Plain)/cupsMediaType 0>>setpagedevice"
+*MediaType Bond/Bond Paper:	"<</MediaType(Bond)/cupsMediaType 1>>setpagedevice"
+*MediaType Special/Special Paper: "<</MediaType(Special)/cupsMediaType 2>>setpagedevice"
+*MediaType Transparency/Transparency: "<</MediaType(Transparency)/cupsMediaType 3>>setpagedevice"
+*MediaType Glossy/Glossy Paper:	"<</MediaType(Glossy)/cupsMediaType 4>>setpagedevice"
+*CloseUI: *MediaType
+
+*OpenUI *InputSlot/Media Source: PickOne
+*OrderDependency: 10 AnySetup *InputSlot
+*DefaultInputSlot: Tray
+*InputSlot Tray/Tray: "<</cupsMediaPosition 1>>setpagedevice"
+*InputSlot Manual/Manual Feed: "<</cupsMediaPosition 2>>setpagedevice"
+*InputSlot Envelope/Envelope Feed: "<</cupsMediaPosition 3>>setpagedevice"
+*CloseUI: *InputSlot
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 300dpi
+*Resolution 300dpi/300 DPI: "<</HWResolution[300 300]>>setpagedevice"
+*Resolution 600x300dpi/600x300 DPI: "<</HWResolution[600 300]>>setpagedevice"
+*Resolution 600dpi/600 DPI: "<</HWResolution[600 600]>>setpagedevice"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK2/CRET Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 2/cupsBitsPerColor 2>>setpagedevice"
+*ColorModel CMYK/CMYK Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 2>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*CloseUI: *ColorModel
+
+*OpenUI *Duplex/Double-Sided Printing: PickOne
+*OrderDependency: 20 PageSetup *Duplex
+*DefaultDuplex: None
+*Duplex None/Off:	"<</Duplex false>>setpagedevice"
+*Duplex DuplexNoTumble/Long Edge (Standard):	"<</Duplex true/Tumble false>>setpagedevice"
+*Duplex DuplexTumble/Short Edge (Flip):	"<</Duplex true/Tumble true>>setpagedevice"
+*CloseUI:	*Duplex
+
+*OpenGroup: InstallableOptions
+*OpenUI *Option1/Duplexer: Boolean
+*DefaultOption1: False
+*Option1 True/Installed:	""
+*Option1 False/Not Installed:	""
+*CloseUI: *Option1
+*CloseGroup: InstallableOptions
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/dymo.ppd b/ppd/dymo.ppd
new file mode 100644
index 000000000..43801737f
--- /dev/null
+++ b/ppd/dymo.ppd
@@ -0,0 +1,155 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample DYMO label printer driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 2001-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"DYMO.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: False
+*cupsFilter:	"application/vnd.cups-raster 0 rastertodymo"
+*cupsModelNumber: 0
+*ModelName:     "DYMO Label Printer"
+*ShortNickName: "DYMO Label Printer"
+*NickName:      "DYMO Label Printer CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	False
+*DefaultColorSpace: Gray
+*FileSystem:	False
+*Throughput:	"8"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: w81h252
+*PageSize w81h252/Address - 1 1/8 x 3 1/2":			"<</PageSize[81 252]/ImagingBBox null>>setpagedevice"
+*PageSize w101h252/Large Address - 1 4/10 x 3 1/2":		"<</PageSize[101 252]/ImagingBBox null>>setpagedevice"
+*PageSize w54h144/Return Address - 3/4 x 2":			"<</PageSize[54 144]/ImagingBBox null>>setpagedevice"
+*PageSize w167h288/Shipping Address - 2 5/16 x 4":		"<</PageSize[167 288]/ImagingBBox null>>setpagedevice"
+*PageSize w162h540/Internet Postage 2-Part - 2 1/4 x 7 1/2":	"<</PageSize[162 540]/ImagingBBox null>>setpagedevice"
+*PageSize w162h504/Internet Postage 3-Part - 2 1/4 x 7":	"<</PageSize[162 504]/ImagingBBox null>>setpagedevice"
+*PageSize w41h248/File Folder - 9/16 x 3 7/16":			"<</PageSize[41 248]/ImagingBBox null>>setpagedevice"
+*PageSize w41h144/Hanging Folder - 9/16 x 2":			"<</PageSize[41 144]/ImagingBBox null>>setpagedevice"
+*PageSize w153h198/3.5" Disk - 2 1/8 x 2 3/4":			"<</PageSize[153 198]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: w81h252
+*PageRegion w81h252/Address - 1 1/8 x 3 1/2":			"<</PageSize[81 252]/ImagingBBox null>>setpagedevice"
+*PageRegion w101h252/Large Address - 1 4/10 x 3 1/2":		"<</PageSize[101 252]/ImagingBBox null>>setpagedevice"
+*PageRegion w54h144/Return Address - 3/4 x 2":			"<</PageSize[54 144]/ImagingBBox null>>setpagedevice"
+*PageRegion w167h288/Shipping Address - 2 5/16 x 4":		"<</PageSize[167 288]/ImagingBBox null>>setpagedevice"
+*PageRegion w162h540/Internet Postage 2-Part - 2 1/4 x 7 1/2":	"<</PageSize[162 540]/ImagingBBox null>>setpagedevice"
+*PageRegion w162h504/Internet Postage 3-Part - 2 1/4 x 7":	"<</PageSize[162 504]/ImagingBBox null>>setpagedevice"
+*PageRegion w41h248/File Folder - 9/16 x 3 7/16":		"<</PageSize[41 248]/ImagingBBox null>>setpagedevice"
+*PageRegion w41h144/Hanging Folder - 9/16 x 2":			"<</PageSize[41 144]/ImagingBBox null>>setpagedevice"
+*PageRegion w153h198/3.5" Disk - 2 1/8 x 2 3/4":		"<</PageSize[153 198]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: w81h252
+*ImageableArea w81h252/Address - 1 1/8 x 3 1/2":			"2 14.9 79 237.1"
+*ImageableArea w101h252/Large Address - 1 4/10 x 3 1/2":		"2 14.9 99 237.1"
+*ImageableArea w54h144/Return Address - 3/4 x 2":			"2 14.9 52 129.1"
+*ImageableArea w167h288/Shipping Address - 2 5/16 x 4":			"2 14.9 165 273.1"
+*ImageableArea w162h540/Internet Postage 2-Part - 2 1/4 x 7 1/2":	"2 14.9 160 525.1"
+*ImageableArea w162h504/Internet Postage 3-Part - 2 1/4 x 7":		"2 14.9 160 489.1"
+*ImageableArea w41h248/File Folder - 9/16 x 3 7/16":			"2 14.9 39 233.1"
+*ImageableArea w41h144/Hanging Folder - 9/16 x 2":			"2 14.9 39 129.1"
+*ImageableArea w153h198/3.5" Disk - 2 1/8 x 2 3/4":			"2 14.9 151 183.1"
+
+*DefaultPaperDimension: w81h252
+*PaperDimension w81h252/Address - 1 1/8 x 3 1/2":			"81 252"
+*PaperDimension w101h252/Large Address - 1 4/10 x 3 1/2":		"101 252"
+*PaperDimension w54h144/Return Address - 3/4 x 2":			"54 144"
+*PaperDimension w167h288/Shipping Address - 2 5/16 x 4":		"167 288"
+*PaperDimension w162h540/Internet Postage 2-Part - 2 1/4 x 7 1/2":	"162 540"
+*PaperDimension w162h504/Internet Postage 3-Part - 2 1/4 x 7":		"162 504"
+*PaperDimension w41h248/File Folder - 9/16 x 3 7/16":			"41 248"
+*PaperDimension w41h144/Hanging Folder - 9/16 x 2":			"41 144"
+*PaperDimension w153h198/3.5" Disk - 2 1/8 x 2 3/4":			"153 198"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 300dpi
+*Resolution 136dpi/136 DPI: "<</HWResolution[136 136]>>setpagedevice"
+*Resolution 203dpi/203 DPI: "<</HWResolution[203 203]>>setpagedevice"
+*Resolution 300dpi/300 DPI: "<</HWResolution[300 300]>>setpagedevice"
+*CloseUI: *Resolution
+
+*OpenUI *Darkness/Output Darkness: PickOne
+*OrderDependency: 20 AnySetup *Darkness
+*DefaultDarkness: Normal
+*Darkness Light: "<</cupsCompression 0>>setpagedevice"
+*Darkness Medium: "<</cupsCompression 1>>setpagedevice"
+*Darkness Normal: "<</cupsCompression 2>>setpagedevice"
+*Darkness Dark: "<</cupsCompression 3>>setpagedevice"
+*CloseUI: *Darkness
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/epson24.ppd b/ppd/epson24.ppd
new file mode 100644
index 000000000..e60b3b56e
--- /dev/null
+++ b/ppd/epson24.ppd
@@ -0,0 +1,128 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample EPSON 24-Pin driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"EPSON24.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	1
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*ModelName:     "EPSON 24-Pin Series"
+*ShortNickName: "EPSON 24-Pin Series"
+*NickName:      "EPSON 24-Pin Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	False
+*DefaultColorSpace: Gray
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"18.0 18.0 594.0 774.0"
+*ImageableArea Legal:	"18.0 18.0 594.0 990.0"
+*ImageableArea A4:	"18.0 18.0 577.0 824.0"
+*ImageableArea FanFoldUS: "18.0 18.0 1053.0 774.0"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+*PaperDimension FanFoldUS: "1071 792"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 120dpi
+*Resolution 60dpi/60 DPI: "<</HWResolution[60 60]/cupsRowCount 8>>setpagedevice"
+*Resolution 120dpi/120x60 DPI: "<</HWResolution[120 60]/cupsRowCount 8>>setpagedevice"
+*Resolution 180dpi/180 DPI: "<</HWResolution[180 180]/cupsRowCount 24>>setpagedevice"
+*Resolution 360x180dpi/360x180 DPI: "<</HWResolution[360 180]/cupsRowCount 24>>setpagedevice"
+*Resolution 360dpi/360 DPI: "<</HWResolution[360 360]/cupsRowCount 48>>setpagedevice"
+*CloseUI: *Resolution
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/epson9.ppd b/ppd/epson9.ppd
new file mode 100644
index 000000000..a6889db81
--- /dev/null
+++ b/ppd/epson9.ppd
@@ -0,0 +1,126 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample EPSON 9-Pin driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"EPSON9.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	0
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*ModelName:     "EPSON 9-Pin Series"
+*ShortNickName: "EPSON 9-Pin Series"
+*NickName:      "EPSON 9-Pin Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	False
+*DefaultColorSpace: Gray
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"18.0 18.0 594.0 774.0"
+*ImageableArea Legal:	"18.0 18.0 594.0 990.0"
+*ImageableArea A4:	"18.0 18.0 577.0 824.0"
+*ImageableArea FanFoldUS: "18.0 18.0 1053.0 774.0"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+*PaperDimension FanFoldUS: "1071 792"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 120dpi
+*Resolution 60dpi/60x72 DPI: "<</HWResolution[60 72]/cupsRowCount 8>>setpagedevice"
+*Resolution 120dpi/120x72 DPI: "<</HWResolution[120 72]/cupsRowCount 8>>setpagedevice"
+*Resolution 240dpi/240x72 DPI: "<</HWResolution[240 72]/cupsRowCount 8>>setpagedevice"
+*CloseUI: *Resolution
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/laserjet.ppd b/ppd/laserjet.ppd
new file mode 100644
index 000000000..a37eea38a
--- /dev/null
+++ b/ppd/laserjet.ppd
@@ -0,0 +1,200 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample HP LaserJet driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"LASERJET.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: False
+*cupsFilter:	"application/vnd.cups-raster 0 rastertohp"
+*cupsModelNumber: 0
+*ModelName:     "HP LaserJet Series"
+*ShortNickName: "HP LaserJet Series"
+*NickName:      "HP LaserJet Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	False
+*DefaultColorSpace: Gray
+*FileSystem:	False
+*Throughput:	"8"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*UIConstraints: *PageSize Executive *InputSlot Envelope
+*UIConstraints: *PageSize Letter *InputSlot Envelope
+*UIConstraints: *PageSize Legal *InputSlot Envelope
+*UIConstraints: *PageSize Tabloid *InputSlot Envelope
+*UIConstraints: *PageSize A3 *InputSlot Envelope
+*UIConstraints: *PageSize A4 *InputSlot Envelope
+*UIConstraints: *PageSize A5 *InputSlot Envelope
+*UIConstraints: *PageSize B5 *InputSlot Envelope
+*UIConstraints:	*Duplex *Option1 False
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageSize Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageSize A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageSize A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageSize B5/B5 (JIS):		"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageSize EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageSize Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageSize EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageSize EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageSize EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageRegion Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageRegion A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageRegion A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageRegion B5/B5 (JIS):	"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageRegion Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter/US Letter:	"18 36 594 756"
+*ImageableArea Legal/US Legal:		"18 36 594 972"
+*ImageableArea Executive/US Executive:	"18 36 504 684"
+*ImageableArea Tabloid/US Tabloid:	"18 36 774 1188"
+*ImageableArea A3/A3:			"18 36 824 1155"
+*ImageableArea A4/A4:			"18 36 577 806"
+*ImageableArea A5/A5:			"18 36 403 559"
+*ImageableArea B5/JIS B5:		"18 36 498 693"
+*ImageableArea EnvISOB5/B5 (ISO):	"18 36 463 673"
+*ImageableArea Env10/Com-10:		"18 36 279 648"
+*ImageableArea EnvC5/EnvC5:		"18 36 441 613"
+*ImageableArea EnvDL/EnvDL:		"18 36 294 588"
+*ImageableArea EnvMonarch/Envelope Monarch: "18 36 261 504"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter/US Letter:	"612 792"
+*PaperDimension Legal/US Legal:		"612 1008"
+*PaperDimension Executive/US Executive:	"522 756"
+*PaperDimension Tabloid/US Tabloid:	"792 1224"
+*PaperDimension A3/A3:			"842 1191"
+*PaperDimension A4/A4:			"595 842"
+*PaperDimension A5/A5:			"421 595"
+*PaperDimension B5/B5 (JIS):		"516 729"
+*PaperDimension EnvISOB5/Envelope B5:	"499 709"
+*PaperDimension Env10/Envelope #10:	"297 684"
+*PaperDimension EnvC5/Envelope C5:	"459 649"
+*PaperDimension EnvDL/Envelope DL:	"312 624"
+*PaperDimension EnvMonarch/Envelope Monarch: "279 540"
+
+*OpenUI *InputSlot/Media Source: PickOne
+*OrderDependency: 10 AnySetup *InputSlot
+*DefaultInputSlot: Default
+*InputSlot Default/Default: "<</cupsMediaPosition 0>>setpagedevice"
+*InputSlot Tray1/Tray 1: "<</cupsMediaPosition 8>>setpagedevice"
+*InputSlot Tray2/Tray 2: "<</cupsMediaPosition 1>>setpagedevice"
+*InputSlot Tray3/Tray 3: "<</cupsMediaPosition 4>>setpagedevice"
+*InputSlot Tray4/Tray 4: "<</cupsMediaPosition 5>>setpagedevice"
+*InputSlot Manual/Manual Feed: "<</cupsMediaPosition 2>>setpagedevice"
+*InputSlot Envelope/Envelope Feed: "<</cupsMediaPosition 3>>setpagedevice"
+*CloseUI: *InputSlot
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 300dpi
+*Resolution 150dpi/150 DPI: "<</HWResolution[150 150]/cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*Resolution 300dpi/300 DPI: "<</HWResolution[300 300]/cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*Resolution 600dpi/600 DPI: "<</HWResolution[600 600]/cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*CloseUI: *Resolution
+
+*OpenUI *Duplex/Double-Sided Printing: PickOne
+*OrderDependency: 20 AnySetup *Duplex
+*DefaultDuplex: None
+*Duplex None/Off:	"<</Duplex false>>setpagedevice"
+*Duplex DuplexNoTumble/Long Edge (Standard):	"<</Duplex true/Tumble false>>setpagedevice"
+*Duplex DuplexTumble/Short Edge (Flip):	"<</Duplex true/Tumble true>>setpagedevice"
+*CloseUI:	*Duplex
+
+*OpenGroup: InstallableOptions
+*OpenUI *Option1/Duplexer: Boolean
+*DefaultOption1: False
+*Option1 True/Installed:	""
+*Option1 False/Not Installed:	""
+*CloseUI: *Option1
+*CloseGroup: InstallableOptions
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/okidat24.ppd b/ppd/okidat24.ppd
new file mode 100644
index 000000000..8a991c112
--- /dev/null
+++ b/ppd/okidat24.ppd
@@ -0,0 +1,128 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample OKIDATA 24-Pin driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"OKIDAT24.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	1
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*ModelName:     "OKIDATA 24-Pin Series"
+*ShortNickName: "OKIDATA 24-Pin Series"
+*NickName:      "OKIDATA 24-Pin Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	False
+*DefaultColorSpace: Gray
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"18.0 18.0 594.0 774.0"
+*ImageableArea Legal:	"18.0 18.0 594.0 990.0"
+*ImageableArea A4:	"18.0 18.0 577.0 824.0"
+*ImageableArea FanFoldUS: "18.0 18.0 1053.0 774.0"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+*PaperDimension FanFoldUS: "1071 792"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 120dpi
+*Resolution 60dpi/60 DPI: "<</HWResolution[60 60]/cupsRowCount 8>>setpagedevice"
+*Resolution 120dpi/120x60 DPI: "<</HWResolution[120 60]/cupsRowCount 8>>setpagedevice"
+*Resolution 180dpi/180 DPI: "<</HWResolution[180 180]/cupsRowCount 24>>setpagedevice"
+*Resolution 360x180dpi/360x180 DPI: "<</HWResolution[360 180]/cupsRowCount 24>>setpagedevice"
+*Resolution 360dpi/360 DPI: "<</HWResolution[360 360]/cupsRowCount 48>>setpagedevice"
+*CloseUI: *Resolution
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/okidata9.ppd b/ppd/okidata9.ppd
new file mode 100644
index 000000000..8f133582f
--- /dev/null
+++ b/ppd/okidata9.ppd
@@ -0,0 +1,126 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample OKIDATA 9-Pin driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"OKIDATA9.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	0
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*ModelName:     "OKIDATA 9-Pin Series"
+*ShortNickName: "OKIDATA 9-Pin Series"
+*NickName:      "OKIDATA 9-Pin Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	False
+*DefaultColorSpace: Gray
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion FanFoldUS:	"<</PageSize[1071 792]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"18.0 18.0 594.0 774.0"
+*ImageableArea Legal:	"18.0 18.0 594.0 990.0"
+*ImageableArea A4:	"18.0 18.0 577.0 824.0"
+*ImageableArea FanFoldUS: "18.0 18.0 1053.0 774.0"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+*PaperDimension FanFoldUS: "1071 792"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 120dpi
+*Resolution 60dpi/60x72 DPI: "<</HWResolution[60 72]/cupsRowCount 8>>setpagedevice"
+*Resolution 120dpi/120x72 DPI: "<</HWResolution[120 72]/cupsRowCount 8>>setpagedevice"
+*Resolution 240dpi/240x72 DPI: "<</HWResolution[240 72]/cupsRowCount 8>>setpagedevice"
+*CloseUI: *Resolution
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/stcolor.ppd b/ppd/stcolor.ppd
new file mode 100644
index 000000000..a6ec8c528
--- /dev/null
+++ b/ppd/stcolor.ppd
@@ -0,0 +1,132 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample EPSON Stylus Color driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"STCOLOR.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	2
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*cupsColorProfile 180dpi/-: "1.0 1.0 1.0 0.0 -0.2 -0.4 1.0 0.0 -0.2 0.0 1.0"
+*cupsColorProfile 360dpi/-: "1.0 1.5 1.0 0.0 -0.2 -0.4 1.0 0.0 -0.2 0.0 1.0"
+*cupsColorProfile 720dpi/-: "1.0 2.5 1.0 0.0 -0.2 -0.4 1.0 0.0 -0.2 0.0 1.0"
+*ModelName:     "EPSON Stylus Color Series"
+*ShortNickName: "EPSON Stylus Color Series"
+*NickName:      "EPSON Stylus Color Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"8.60 39.60 603.40 766.49"
+*ImageableArea Legal:	"8.60 39.60 603.40 982.49"
+*ImageableArea A4:	"8.60 39.60 586.40 816.49"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 360dpi
+*Resolution 180dpi/180 DPI: "<</HWResolution[180 180]>>setpagedevice"
+*Resolution 360dpi/360 DPI: "<</HWResolution[360 360]>>setpagedevice{0.6666 exp}bind settransfer"
+*Resolution 720dpi/720 DPI: "<</HWResolution[720 720]>>setpagedevice{0.4 exp}bind settransfer"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 1>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 1>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/stcolor2.ppd b/ppd/stcolor2.ppd
new file mode 100644
index 000000000..a8c470ac0
--- /dev/null
+++ b/ppd/stcolor2.ppd
@@ -0,0 +1,132 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample EPSON Stylus Color driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"STCOLOR2.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	4
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*cupsColorProfile 180dpi/-: "1.0 1.0 1.0 0.0 -0.2 -0.4 1.0 0.0 -0.2 0.0 1.0"
+*cupsColorProfile 360dpi/-: "1.0 1.5 1.0 0.0 -0.2 -0.4 1.0 0.0 -0.2 0.0 1.0"
+*cupsColorProfile 720dpi/-: "1.0 2.5 1.0 0.0 -0.2 -0.4 1.0 0.0 -0.2 0.0 1.0"
+*ModelName:     "EPSON New Stylus Color Series"
+*ShortNickName: "EPSON New Stylus Color Series"
+*NickName:      "EPSON New Stylus Color Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"8.60 39.60 603.40 766.49"
+*ImageableArea Legal:	"8.60 39.60 603.40 982.49"
+*ImageableArea A4:	"8.60 39.60 586.40 816.49"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 360dpi
+*Resolution 180dpi/180 DPI: "<</HWResolution[180 180]>>setpagedevice"
+*Resolution 360dpi/360 DPI: "<</HWResolution[360 360]>>setpagedevice{0.6666 exp}bind settransfer"
+*Resolution 720dpi/720 DPI: "<</HWResolution[720 720]>>setpagedevice{0.4 exp}bind settransfer"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 1>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 1>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/stphoto.ppd b/ppd/stphoto.ppd
new file mode 100644
index 000000000..91edf4adc
--- /dev/null
+++ b/ppd/stphoto.ppd
@@ -0,0 +1,132 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample EPSON Stylus Photo driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"STPHOTO.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	3
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*cupsColorProfile 180dpi/-: "1.0 1.0 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0"
+*cupsColorProfile 360dpi/-: "1.0 1.5 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0"
+*cupsColorProfile 720dpi/-: "1.0 2.5 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0"
+*ModelName:     "EPSON Stylus Photo Series"
+*ShortNickName: "EPSON Stylus Photo Series"
+*NickName:      "EPSON Stylus Photo Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"8.60 39.60 603.40 766.49"
+*ImageableArea Legal:	"8.60 39.60 603.40 982.49"
+*ImageableArea A4:	"8.60 39.60 586.40 816.49"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 360dpi
+*Resolution 180dpi/180 DPI: "<</HWResolution[180 180]>>setpagedevice"
+*Resolution 360dpi/360 DPI: "<</HWResolution[360 360]>>setpagedevice{0.6666 exp}bind settransfer"
+*Resolution 720dpi/720 DPI: "<</HWResolution[720 720]>>setpagedevice{0.4 exp}bind settransfer"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/Color: "<</cupsColorOrder 1/cupsColorSpace 9/cupsCompression 1>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 1>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/ppd/stphoto2.ppd b/ppd/stphoto2.ppd
new file mode 100644
index 000000000..c944f4133
--- /dev/null
+++ b/ppd/stphoto2.ppd
@@ -0,0 +1,132 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Sample EPSON Stylus Photo driver PPD file for the Common UNIX Printing
+*%   System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"STPHOTO2.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsModelNumber:	5
+*cupsFilter:	"application/vnd.cups-raster 0 rastertoepson"
+*cupsColorProfile 180dpi/-: "1.0 1.0 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0"
+*cupsColorProfile 360dpi/-: "1.0 1.5 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0"
+*cupsColorProfile 720dpi/-: "1.0 2.5 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0"
+*ModelName:     "EPSON New Stylus Photo Series"
+*ShortNickName: "EPSON New Stylus Photo Series"
+*NickName:      "EPSON New Stylus Photo Series CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter:	"8.60 39.60 603.40 766.49"
+*ImageableArea Legal:	"8.60 39.60 603.40 982.49"
+*ImageableArea A4:	"8.60 39.60 586.40 816.49"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter:	"612 792"
+*PaperDimension Legal:	"612 1008"
+*PaperDimension A4:	"595 842"
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 360dpi
+*Resolution 180dpi/180 DPI: "<</HWResolution[180 180]>>setpagedevice"
+*Resolution 360dpi/360 DPI: "<</HWResolution[360 360]>>setpagedevice{0.6666 exp}bind settransfer"
+*Resolution 720dpi/720 DPI: "<</HWResolution[720 720]>>setpagedevice{0.4 exp}bind settransfer"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/Color: "<</cupsColorOrder 1/cupsColorSpace 9/cupsCompression 1>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 1>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/pstoraster/.cvsignore b/pstoraster/.cvsignore
new file mode 100644
index 000000000..cf5b1a290
--- /dev/null
+++ b/pstoraster/.cvsignore
@@ -0,0 +1,3 @@
+pstoraster
+genarch
+arch.h
diff --git a/pstoraster/Dependencies b/pstoraster/Dependencies
new file mode 100644
index 000000000..1a72580af
--- /dev/null
+++ b/pstoraster/Dependencies
@@ -0,0 +1,2213 @@
+# DO NOT DELETE
+
+gconfig.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gconfig.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gscdefs.h gconfigv.h
+gconfig.o: gconf.h gconfig.h ../config.h gxdevice.h gxdevcli.h gscompt.h
+gconfig.o: gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h gsbitmap.h
+gconfig.o: gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h gsrefct.h
+gconfig.o: gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gconfig.o: gsccode.h gsparam.h gsmalloc.h gxiodev.h stat_.h
+
+gdevabuf.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevabuf.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gserrors.h gxdevice.h
+gdevabuf.o: gxdevcli.h gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h
+gdevabuf.o: gxbitmap.h gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h
+gdevabuf.o: gsiparam.h gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h
+gdevabuf.o: gxtext.h gstext.h gsccode.h gsparam.h gsmalloc.h gxdevmem.h
+gdevabuf.o: gdevmem.h gxbitops.h
+
+gdevbbox.o: math_.h std.h stdpre.h arch.h memory_.h gx.h stdio_.h gserror.h
+gdevbbox.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h gserrors.h
+gdevbbox.o: gsparam.h gxdevice.h gxdevcli.h gscompt.h gsdcolor.h gsccolor.h
+gdevbbox.o: gsstruct.h gxarith.h gxbitmap.h gsbitmap.h gxhttile.h gxcindex.h
+gdevbbox.o: gsbitops.h gsmatrix.h gsiparam.h gsrefct.h gsropt.h gsxfont.h
+gdevbbox.o: gxcvalue.h gxfixed.h gxtext.h gstext.h gsccode.h gsmalloc.h
+gdevbbox.o: gsdevice.h gdevbbox.h gxdcolor.h gscsel.h gxiparam.h gxistate.h
+gdevbbox.o: gxline.h gslparam.h gxmatrix.h gxtmap.h gxpaint.h gxpath.h
+gdevbbox.o: gscpm.h gspenum.h gsrect.h gxcpath.h
+
+gdevcups.o: std.h stdpre.h arch.h gdevprn.h memory_.h string_.h gx.h stdio_.h
+gdevcups.o: gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h gp.h
+gdevcups.o: gpgetenv.h gserrors.h gsmatrix.h gsutil.h gxdevice.h gxdevcli.h
+gdevcups.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevcups.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsiparam.h gsrefct.h
+gdevcups.o: gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gdevcups.o: gsccode.h gsparam.h gsmalloc.h gxdevmem.h gxcldev.h gxht.h
+gdevcups.o: gscsepnm.h gsht1.h gsht.h gxhttype.h gxtmap.h gxdht.h strimpl.h
+gdevcups.o: scommon.h scfx.h shc.h gsbittab.h srlx.h gxclist.h gscspace.h
+gdevcups.o: gxband.h gxclio.h gxbcache.h gxistate.h gscsel.h gxline.h
+gdevcups.o: gslparam.h gxmatrix.h gsexit.h ../filter/raster.h ../cups/ppd.h
+
+gdevdbit.o: gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h gstypes.h
+gdevdbit.o: gsmemory.h gsmemraw.h gdebug.h gpcheck.h gserrors.h gsbittab.h
+gdevdbit.o: gsrect.h gsropt.h gxdcolor.h gscsel.h gsdcolor.h gsccolor.h
+gdevdbit.o: gsstruct.h gxarith.h gxbitmap.h gsbitmap.h gxhttile.h gxcindex.h
+gdevdbit.o: gsbitops.h gxdevice.h gxdevcli.h gscompt.h gsmatrix.h gsiparam.h
+gdevdbit.o: gsrefct.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gdevdbit.o: gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h gxbitops.h
+gdevdbit.o: gxcpath.h
+
+gdevddrw.o: math_.h std.h stdpre.h arch.h memory_.h gx.h stdio_.h gserror.h
+gdevddrw.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h gpcheck.h
+gdevddrw.o: gserrors.h gxfixed.h gxmatrix.h gsmatrix.h gxdcolor.h gscsel.h
+gdevddrw.o: gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h gsbitmap.h
+gdevddrw.o: gxhttile.h gxcindex.h gsbitops.h gsropt.h gxdevice.h gxdevcli.h
+gdevddrw.o: gscompt.h gsiparam.h gsrefct.h gsxfont.h gxcvalue.h gxtext.h
+gdevddrw.o: gstext.h gsccode.h gsparam.h gsmalloc.h gxiparam.h gxistate.h
+gdevddrw.o: gxline.h gslparam.h gxtmap.h
+
+gdevdflt.o: gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h gstypes.h
+gdevdflt.o: gsmemory.h gsmemraw.h gdebug.h gserrors.h gsropt.h gxcomp.h
+gdevdflt.o: gscompt.h gsrefct.h gxbitfmt.h gxdevice.h gxdevcli.h gsdcolor.h
+gdevdflt.o: gsccolor.h gsstruct.h gxarith.h gxbitmap.h gsbitmap.h gxhttile.h
+gdevdflt.o: gxcindex.h gsbitops.h gsmatrix.h gsiparam.h gsxfont.h gxcvalue.h
+gdevdflt.o: gxfixed.h gxtext.h gstext.h gsccode.h gsparam.h gsmalloc.h
+gdevdflt.o: gxdevmem.h
+
+gdevdgbr.o: gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h gstypes.h
+gdevdgbr.o: gsmemory.h gsmemraw.h gdebug.h gserrors.h gxdevice.h gxdevcli.h
+gdevdgbr.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevdgbr.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevdgbr.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h
+gdevdgbr.o: gstext.h gsccode.h gsparam.h gsmalloc.h gxdevmem.h gxgetbit.h
+gdevdgbr.o: gxbitfmt.h gxlum.h gdevmem.h gxbitops.h
+
+gdevhit.o: std.h stdpre.h arch.h gserror.h gserrors.h gstypes.h gsmemory.h
+gdevhit.o: gsmemraw.h gxdevice.h stdio_.h gxdevcli.h gscompt.h gsdcolor.h
+gdevhit.o: gsccolor.h gsstruct.h gxarith.h gxbitmap.h gsbitmap.h gxhttile.h
+gdevhit.o: gxcindex.h gsbitops.h gsmatrix.h gsiparam.h gsrefct.h gsropt.h
+gdevhit.o: gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h gsccode.h
+gdevhit.o: gsparam.h gsmalloc.h
+
+gdevm16.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm16.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm16.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm16.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm16.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h
+gdevm16.o: gstext.h gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h
+gdevm16.o: gxbitops.h
+
+gdevm1.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm1.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm1.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm1.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm1.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gdevm1.o: gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h gxbitops.h
+
+gdevm24.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm24.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm24.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm24.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm24.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h
+gdevm24.o: gstext.h gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h
+gdevm24.o: gxbitops.h
+
+gdevm2.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm2.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm2.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm2.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm2.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gdevm2.o: gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h gxbitops.h
+
+gdevm32.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm32.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm32.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm32.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm32.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h
+gdevm32.o: gstext.h gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h
+gdevm32.o: gxbitops.h
+
+gdevm4.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm4.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm4.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm4.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm4.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gdevm4.o: gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h gxbitops.h
+
+gdevm8.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevm8.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevm8.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevm8.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevm8.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+gdevm8.o: gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h gxbitops.h
+
+gdevmem.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevmem.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gserrors.h gsrect.h
+gdevmem.o: gsstruct.h gxarith.h gxdevice.h gxdevcli.h gscompt.h gsdcolor.h
+gdevmem.o: gsccolor.h gxbitmap.h gsbitmap.h gxhttile.h gxcindex.h gsbitops.h
+gdevmem.o: gsmatrix.h gsiparam.h gsrefct.h gsropt.h gsxfont.h gxcvalue.h
+gdevmem.o: gxfixed.h gxtext.h gstext.h gsccode.h gsparam.h gsmalloc.h
+gdevmem.o: gxgetbit.h gxbitfmt.h gxdevmem.h gdevmem.h gxbitops.h
+
+gdevmpla.o: memory_.h std.h stdpre.h arch.h gx.h stdio_.h gserror.h gsio.h
+gdevmpla.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h gxdevice.h gxdevcli.h
+gdevmpla.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevmpla.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevmpla.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h
+gdevmpla.o: gstext.h gsccode.h gsparam.h gsmalloc.h gxdevmem.h gdevmem.h
+gdevmpla.o: gxbitops.h
+
+gdevnfwd.o: gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h gstypes.h
+gdevnfwd.o: gsmemory.h gsmemraw.h gdebug.h gserrors.h gxdevice.h gxdevcli.h
+gdevnfwd.o: gscompt.h gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h
+gdevnfwd.o: gsbitmap.h gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h
+gdevnfwd.o: gsrefct.h gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h
+gdevnfwd.o: gstext.h gsccode.h gsparam.h gsmalloc.h
+
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+iscan.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h memory_.h stream.h
+iscan.o: scommon.h gsstruct.h errors.h files.h ialloc.h imemory.h ivmspace.h
+iscan.o: gsgc.h gsalloc.h idict.h dstack.h idstack.h istack.h ilevel.h
+iscan.o: iname.h inames.h ipacked.h iparray.h strimpl.h sfilter.h ostack.h
+iscan.o: iostack.h iscan.h sa85x.h sstring.h iscannum.h istream.h istruct.h
+iscan.o: iutil.h store.h scanchar.h
+
+istack.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+istack.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h gsstruct.h
+istack.o: gsutil.h errors.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+istack.o: istack.h istruct.h iutil.h store.h
+
+iutil2.o: memory_.h std.h stdpre.h arch.h string_.h ghost.h gx.h stdio_.h
+iutil2.o: gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h
+iutil2.o: errors.h opcheck.h gsparam.h gsutil.h idict.h imemory.h ivmspace.h
+iutil2.o: gsgc.h gsalloc.h iutil.h iutil2.h
+
+iutil.o: math_.h std.h stdpre.h arch.h memory_.h string_.h ghost.h gx.h
+iutil.o: stdio_.h gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h
+iutil.o: iref.h errors.h idict.h imemory.h ivmspace.h gsgc.h gsalloc.h
+iutil.o: iname.h inames.h ipacked.h iutil.h oper.h ostack.h iostack.h
+iutil.o: istack.h opdef.h opextern.h opcheck.h store.h ialloc.h gsccode.h
+iutil.o: gsmatrix.h gsutil.h gxfont.h gsfont.h gsuid.h gsstruct.h gxftype.h
+
+sbcp.o: stdio_.h std.h stdpre.h arch.h strimpl.h scommon.h gsmemory.h
+sbcp.o: gsmemraw.h gstypes.h gsstruct.h sfilter.h
+
+sbhc.o: memory_.h std.h stdpre.h arch.h stdio_.h gdebug.h strimpl.h scommon.h
+sbhc.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h sbhc.h shc.h gsbittab.h
+sbhc.o: shcgen.h
+
+sbwbs.o: stdio_.h std.h stdpre.h arch.h memory_.h gdebug.h strimpl.h
+sbwbs.o: scommon.h gsmemory.h gsmemraw.h gstypes.h gsstruct.h sfilter.h
+sbwbs.o: sbwbs.h
+
+scantab.o: stdpre.h scommon.h gsmemory.h gsmemraw.h gstypes.h gsstruct.h
+scantab.o: scanchar.h
+
+scfdtab.o: std.h stdpre.h arch.h scommon.h gsmemory.h gsmemraw.h gstypes.h
+scfdtab.o: gsstruct.h scf.h shc.h gsbittab.h
+
+scfd.o: stdio_.h std.h stdpre.h arch.h memory_.h gdebug.h strimpl.h scommon.h
+scfd.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h scf.h shc.h gsbittab.h
+scfd.o: scfx.h
+
+scfetab.o: std.h stdpre.h arch.h scommon.h gsmemory.h gsmemraw.h gstypes.h
+scfetab.o: gsstruct.h scf.h shc.h gsbittab.h
+
+scfe.o: stdio_.h std.h stdpre.h arch.h memory_.h gdebug.h strimpl.h scommon.h
+scfe.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h scf.h shc.h gsbittab.h
+scfe.o: scfx.h
+
+scfparam.o: std.h stdpre.h arch.h gserror.h gserrors.h gstypes.h gsmemory.h
+scfparam.o: gsmemraw.h gsparam.h scommon.h gsstruct.h scf.h shc.h gsbittab.h
+scfparam.o: scfx.h
+
+sdcparam.o: ../config.h memory_.h std.h stdpre.h arch.h gserror.h gserrors.h
+sdcparam.o: gstypes.h gsmemory.h gsmemraw.h gsparam.h strimpl.h scommon.h
+sdcparam.o: gsstruct.h sdct.h sdcparam.h sjpeg.h
+
+sdctc.o: ../config.h stdio_.h std.h stdpre.h arch.h gsmemory.h gsmemraw.h
+sdctc.o: gsmalloc.h strimpl.h scommon.h gstypes.h gsstruct.h sdct.h
+
+sdctd.o: ../config.h memory_.h std.h stdpre.h arch.h stdio_.h gdebug.h
+sdctd.o: gsmemory.h gsmemraw.h gsmalloc.h strimpl.h scommon.h gstypes.h
+sdctd.o: gsstruct.h sdct.h sjpeg.h
+
+sdcte.o: ../config.h memory_.h std.h stdpre.h arch.h stdio_.h gdebug.h
+sdcte.o: gsmemory.h gsmemraw.h gsmalloc.h strimpl.h scommon.h gstypes.h
+sdcte.o: gsstruct.h sdct.h sjpeg.h
+
+sddparam.o: ../config.h std.h stdpre.h arch.h gserror.h gserrors.h gstypes.h
+sddparam.o: gsmemory.h gsmemraw.h gsparam.h strimpl.h scommon.h gsstruct.h
+sddparam.o: sdct.h sdcparam.h sjpeg.h
+
+sdeparam.o: ../config.h memory_.h std.h stdpre.h arch.h gserror.h gserrors.h
+sdeparam.o: gstypes.h gsmemory.h gsmemraw.h gsparam.h strimpl.h scommon.h
+sdeparam.o: gsstruct.h sdct.h sdcparam.h sjpeg.h
+
+seexec.o: stdio_.h std.h stdpre.h arch.h strimpl.h scommon.h gsmemory.h
+seexec.o: gsmemraw.h gstypes.h gsstruct.h sfilter.h gscrypt1.h scanchar.h
+
+sfilter1.o: stdio_.h std.h stdpre.h arch.h memory_.h strimpl.h scommon.h
+sfilter1.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h sfilter.h
+
+sfilter2.o: stdio_.h std.h stdpre.h arch.h memory_.h strimpl.h scommon.h
+sfilter2.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h sa85x.h sbtx.h
+sfilter2.o: scanchar.h
+
+sfxstdio.o: stdio_.h std.h stdpre.h arch.h memory_.h gdebug.h gpcheck.h
+sfxstdio.o: stream.h scommon.h gsmemory.h gsmemraw.h gstypes.h gsstruct.h
+sfxstdio.o: strimpl.h
+
+shcgen.o: memory_.h std.h stdpre.h arch.h stdio_.h gdebug.h gserror.h
+shcgen.o: gserrors.h gsmemory.h gsmemraw.h scommon.h gstypes.h gsstruct.h
+shcgen.o: shc.h gsbittab.h shcgen.h
+
+shc.o: std.h stdpre.h arch.h scommon.h gsmemory.h gsmemraw.h gstypes.h
+shc.o: gsstruct.h shc.h gsbittab.h
+
+siscale.o: math_.h std.h stdpre.h arch.h memory_.h stdio_.h strimpl.h
+siscale.o: scommon.h gsmemory.h gsmemraw.h gstypes.h gsstruct.h siscale.h
+siscale.o: gconfigv.h
+
+sjpegc.o: ../config.h stdio_.h std.h stdpre.h arch.h string_.h gx.h gserror.h
+sjpegc.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h gserrors.h
+sjpegc.o: strimpl.h scommon.h gsstruct.h sdct.h sjpeg.h
+
+sjpegd.o: ../config.h stdio_.h std.h stdpre.h arch.h string_.h gx.h gserror.h
+sjpegd.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h gserrors.h
+sjpegd.o: strimpl.h scommon.h gsstruct.h sdct.h sjpeg.h
+
+sjpegerr.o: ../config.h stdio_.h std.h stdpre.h arch.h
+
+sjpege.o: ../config.h stdio_.h std.h stdpre.h arch.h string_.h gx.h gserror.h
+sjpege.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h gserrors.h
+sjpege.o: strimpl.h scommon.h gsstruct.h sdct.h sjpeg.h
+
+slzwce.o: stdio_.h std.h stdpre.h arch.h gdebug.h strimpl.h scommon.h
+slzwce.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h slzwx.h
+
+slzwc.o: std.h stdpre.h arch.h strimpl.h scommon.h gsmemory.h gsmemraw.h
+slzwc.o: gstypes.h gsstruct.h slzwx.h
+
+slzwd.o: stdio_.h std.h stdpre.h arch.h gdebug.h strimpl.h scommon.h
+slzwd.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h slzwx.h
+
+smtf.o: stdio_.h std.h stdpre.h arch.h strimpl.h scommon.h gsmemory.h
+smtf.o: gsmemraw.h gstypes.h gsstruct.h smtf.h
+
+spcxd.o: stdio_.h std.h stdpre.h arch.h memory_.h strimpl.h scommon.h
+spcxd.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h spcxx.h
+
+spdiff.o: stdio_.h std.h stdpre.h arch.h strimpl.h scommon.h gsmemory.h
+spdiff.o: gsmemraw.h gstypes.h gsstruct.h spdiffx.h
+
+spngp.o: memory_.h std.h stdpre.h arch.h strimpl.h scommon.h gsmemory.h
+spngp.o: gsmemraw.h gstypes.h gsstruct.h spngpx.h
+
+srld.o: stdio_.h std.h stdpre.h arch.h memory_.h strimpl.h scommon.h
+srld.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h srlx.h
+
+srle.o: stdio_.h std.h stdpre.h arch.h memory_.h strimpl.h scommon.h
+srle.o: gsmemory.h gsmemraw.h gstypes.h gsstruct.h srlx.h
+
+sstring.o: stdio_.h std.h stdpre.h arch.h memory_.h string_.h strimpl.h
+sstring.o: scommon.h gsmemory.h gsmemraw.h gstypes.h gsstruct.h sstring.h
+sstring.o: scanchar.h
+
+stream.o: stdio_.h std.h stdpre.h arch.h memory_.h gdebug.h gpcheck.h
+stream.o: stream.h scommon.h gsmemory.h gsmemraw.h gstypes.h gsstruct.h
+stream.o: strimpl.h
+
+szlibc.o: ../config.h std.h stdpre.h arch.h gserror.h gserrors.h gstypes.h
+szlibc.o: gsmemory.h gsmemraw.h gsmalloc.h gsstruct.h strimpl.h scommon.h
+szlibc.o: szlibxx.h szlibx.h
+
+szlibd.o: ../config.h std.h stdpre.h arch.h gsmemory.h gsmemraw.h gsmalloc.h
+szlibd.o: strimpl.h scommon.h gstypes.h gsstruct.h szlibxx.h szlibx.h
+
+szlibe.o: ../config.h std.h stdpre.h arch.h gsmemory.h gsmemraw.h gsmalloc.h
+szlibe.o: strimpl.h scommon.h gstypes.h gsstruct.h szlibxx.h szlibx.h
+
+zarith.o: math_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zarith.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h
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+zarith.o: iutil.h store.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+
+zarray.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zarray.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h ialloc.h
+zarray.o: imemory.h ivmspace.h gsgc.h gsalloc.h ipacked.h oper.h errors.h
+zarray.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zarray.o: store.h
+
+zbseq.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zbseq.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h
+zbseq.o: errors.h ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h
+zbseq.o: iutil.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h btoken.h
+zbseq.o: store.h
+
+zcfont.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zcfont.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zcfont.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zcfont.o: gschar.h gsccode.h gscpm.h gsmatrix.h gxfixed.h gxfont.h gsfont.h
+zcfont.o: gsuid.h gsstruct.h gxftype.h gxchar.h gxtext.h gstext.h gsrefct.h
+zcfont.o: estack.h iestack.h ichar.h ifont.h igstate.h gsstate.h gsdevice.h
+zcfont.o: gsline.h gslparam.h gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h
+zcfont.o: istruct.h store.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+
+zchar1.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zchar1.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
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+zchar1.o: gsstruct.h gxfixed.h gxmatrix.h gsmatrix.h gxchar.h gschar.h
+zchar1.o: gsccode.h gscpm.h gxtext.h gstext.h gsrefct.h gxdevice.h gxdevcli.h
+zchar1.o: gscompt.h gsdcolor.h gsccolor.h gxarith.h gxbitmap.h gsbitmap.h
+zchar1.o: gxhttile.h gxcindex.h gsbitops.h gsiparam.h gsropt.h gsxfont.h
+zchar1.o: gxcvalue.h gsparam.h gsmalloc.h gxfont.h gsfont.h gsuid.h gxftype.h
+zchar1.o: gxfont1.h gxtype1.h gscrypt1.h gstype1.h gxop1.h gzstate.h
+zchar1.o: gxdcolor.h gscsel.h gxistate.h gxline.h gslparam.h gxtmap.h
+zchar1.o: gsstate.h gsdevice.h gsline.h gscolor.h gsht.h gxstate.h gspaint.h
+zchar1.o: gspath.h gspenum.h estack.h iestack.h ialloc.h imemory.h ivmspace.h
+zchar1.o: gsgc.h gsalloc.h ichar.h icharout.h idict.h ifont.h igstate.h
+zchar1.o: istruct.h iname.h inames.h store.h
+
+zchar2.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
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+zchar2.o: gschar.h gsccode.h gscpm.h gsmatrix.h gsstruct.h gxfixed.h gxfont.h
+zchar2.o: gsfont.h gsuid.h gxftype.h gxchar.h gxtext.h gstext.h gsrefct.h
+zchar2.o: estack.h iestack.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+zchar2.o: ichar.h ifont.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zchar2.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h iname.h
+zchar2.o: inames.h store.h stream.h scommon.h ibnum.h gspath.h gspenum.h
+
+zchar32.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zchar32.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
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+zchar32.o: gsccode.h gsmatrix.h gsutil.h gxfixed.h gxchar.h gschar.h gscpm.h
+zchar32.o: gxtext.h gstext.h gsrefct.h gxfont.h gsfont.h gsuid.h gsstruct.h
+zchar32.o: gxftype.h gxfcache.h gsxfont.h gxbcache.h gxbitmap.h gsbitmap.h
+zchar32.o: ifont.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zchar32.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h store.h
+zchar32.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+
+zchar42.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zchar42.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
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+zchar42.o: gsmatrix.h gspaint.h gspath.h gspenum.h gxfixed.h gxchar.h
+zchar42.o: gschar.h gsccode.h gscpm.h gxtext.h gstext.h gsrefct.h gxfont.h
+zchar42.o: gsfont.h gsuid.h gsstruct.h gxftype.h gxfont42.h gxistate.h
+zchar42.o: gscsel.h gsropt.h gxcvalue.h gxline.h gslparam.h gxmatrix.h
+zchar42.o: gxtmap.h gxpath.h gsrect.h gzstate.h gxdcolor.h gsdcolor.h
+zchar42.o: gsccolor.h gxarith.h gxbitmap.h gsbitmap.h gxhttile.h gxcindex.h
+zchar42.o: gsbitops.h gsstate.h gsdevice.h gsline.h gscolor.h gsht.h
+zchar42.o: gxstate.h dstack.h idstack.h estack.h iestack.h ichar.h icharout.h
+zchar42.o: ifont.h igstate.h istruct.h store.h ialloc.h imemory.h ivmspace.h
+zchar42.o: gsgc.h gsalloc.h
+
+zcharout.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zcharout.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
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+zcharout.o: gschar.h gsccode.h gscpm.h gxdevice.h gxdevcli.h gscompt.h
+zcharout.o: gsdcolor.h gsccolor.h gsstruct.h gxarith.h gxbitmap.h gsbitmap.h
+zcharout.o: gxhttile.h gxcindex.h gsbitops.h gsmatrix.h gsiparam.h gsrefct.h
+zcharout.o: gsropt.h gsxfont.h gxcvalue.h gxfixed.h gxtext.h gstext.h
+zcharout.o: gsparam.h gsmalloc.h gxfont.h gsfont.h gsuid.h gxftype.h dstack.h
+zcharout.o: idstack.h estack.h iestack.h ichar.h icharout.h idict.h ifont.h
+zcharout.o: igstate.h gsstate.h gsdevice.h gsline.h gslparam.h gscolor.h
+zcharout.o: gxtmap.h gsht.h gscsel.h gxstate.h istruct.h store.h ialloc.h
+zcharout.o: imemory.h ivmspace.h gsgc.h gsalloc.h
+
+zchar.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zchar.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zchar.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zchar.o: gsstruct.h gxarith.h gxfixed.h gxmatrix.h gsmatrix.h gxchar.h
+zchar.o: gschar.h gsccode.h gscpm.h gxtext.h gstext.h gsrefct.h gxdevice.h
+zchar.o: gxdevcli.h gscompt.h gsdcolor.h gsccolor.h gxbitmap.h gsbitmap.h
+zchar.o: gxhttile.h gxcindex.h gsbitops.h gsiparam.h gsropt.h gsxfont.h
+zchar.o: gxcvalue.h gsparam.h gsmalloc.h gxfont.h gsfont.h gsuid.h gxftype.h
+zchar.o: gzpath.h gxpath.h gslparam.h gspenum.h gsrect.h gzstate.h gxdcolor.h
+zchar.o: gscsel.h gxistate.h gxline.h gxtmap.h gsstate.h gsdevice.h gsline.h
+zchar.o: gscolor.h gsht.h gxstate.h dstack.h idstack.h estack.h iestack.h
+zchar.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h ichar.h idict.h
+zchar.o: ifont.h igstate.h istruct.h ilevel.h iname.h inames.h ipacked.h
+zchar.o: store.h
+
+zcid.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zcid.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zcid.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zcid.o: gsmatrix.h gsccode.h gxfont.h gsfont.h gsuid.h gsstruct.h gxftype.h
+zcid.o: bfont.h ifont.h iname.h inames.h store.h ialloc.h imemory.h
+zcid.o: ivmspace.h gsgc.h gsalloc.h
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+
+zmisc2.o: memory_.h std.h stdpre.h arch.h string_.h ghost.h gx.h stdio_.h
+zmisc2.o: gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h
+zmisc2.o: oper.h errors.h ostack.h iostack.h istack.h opdef.h opextern.h
+zmisc2.o: opcheck.h iutil.h estack.h iestack.h idict.h idparam.h iparam.h
+zmisc2.o: gsparam.h dstack.h idstack.h ilevel.h iname.h inames.h iutil2.h
+zmisc2.o: ivmspace.h gsgc.h store.h ialloc.h imemory.h gsalloc.h
+
+zmisc3.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zmisc3.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h gsclipsr.h oper.h
+zmisc3.o: errors.h ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h
+zmisc3.o: iutil.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zmisc3.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h gsstruct.h
+zmisc3.o: store.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+
+zmisc.o: errno_.h std.h stdpre.h arch.h memory_.h string_.h ghost.h gx.h
+zmisc.o: stdio_.h gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h
+zmisc.o: iref.h gscdefs.h gconfigv.h gp.h gpgetenv.h oper.h errors.h ostack.h
+zmisc.o: iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h ialloc.h
+zmisc.o: imemory.h ivmspace.h gsgc.h gsalloc.h idict.h dstack.h idstack.h
+zmisc.o: iname.h inames.h ipacked.h store.h
+
+zpacked.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zpacked.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h ialloc.h imemory.h
+zpacked.o: ivmspace.h gsgc.h gsalloc.h idict.h iname.h inames.h istack.h
+zpacked.o: ipacked.h iparray.h oper.h errors.h ostack.h iostack.h opdef.h
+zpacked.o: opextern.h opcheck.h iutil.h store.h
+
+zpaint.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zpaint.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zpaint.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zpaint.o: gspaint.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zpaint.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h gsstruct.h
+
+zpath1.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zpath1.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h
+zpath1.o: errors.h ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h
+zpath1.o: iutil.h estack.h iestack.h ialloc.h imemory.h ivmspace.h gsgc.h
+zpath1.o: gsalloc.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zpath1.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h gsstruct.h
+zpath1.o: gspath.h gspenum.h store.h
+
+zpath.o: math_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h gsio.h
+zpath.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zpath.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zpath.o: igstate.h gsstate.h gsdevice.h gsline.h gslparam.h gscolor.h
+zpath.o: gxtmap.h gsht.h gscsel.h gxstate.h istruct.h gsstruct.h gsmatrix.h
+zpath.o: gspath.h gspenum.h store.h ialloc.h imemory.h ivmspace.h gsgc.h
+zpath.o: gsalloc.h
+
+zpcolor.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zpcolor.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zpcolor.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zpcolor.o: gscolor.h gxtmap.h gsmatrix.h gsstruct.h gxcspace.h gscspace.h
+zpcolor.o: gsccolor.h gscsel.h gxfrac.h gxfixed.h gxcolor2.h gscolor2.h
+zpcolor.o: gsptype1.h gspcolor.h gsuid.h gxbitmap.h gsbitmap.h gsrefct.h
+zpcolor.o: gxdcolor.h gsdcolor.h gxarith.h gxhttile.h gxcindex.h gsbitops.h
+zpcolor.o: gsropt.h gxdevice.h gxdevcli.h gscompt.h gsiparam.h gsxfont.h
+zpcolor.o: gxcvalue.h gxtext.h gstext.h gsccode.h gsparam.h gsmalloc.h
+zpcolor.o: gxdevmem.h gxpcolor.h gxpcache.h estack.h iestack.h ialloc.h
+zpcolor.o: imemory.h ivmspace.h gsgc.h gsalloc.h istruct.h idict.h idparam.h
+zpcolor.o: igstate.h gsstate.h gsdevice.h gsline.h gslparam.h gsht.h
+zpcolor.o: gxstate.h store.h
+
+zrelbit.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zrelbit.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zrelbit.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zrelbit.o: gsutil.h idict.h store.h ialloc.h imemory.h ivmspace.h gsgc.h
+zrelbit.o: gsalloc.h
+
+zshade.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zshade.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h
+zshade.o: errors.h ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h
+zshade.o: iutil.h gscolor3.h gscspace.h gscolor2.h gsptype1.h gspcolor.h
+zshade.o: gsccolor.h gsstruct.h gsuid.h gxbitmap.h gsbitmap.h gsfunc3.h
+zshade.o: gsfunc.h gsdsrc.h gsshade.h gsmatrix.h stream.h scommon.h files.h
+zshade.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h idict.h idparam.h
+zshade.o: ifunc.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zshade.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h store.h
+
+zstack.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zstack.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h ialloc.h
+zstack.o: imemory.h ivmspace.h gsgc.h gsalloc.h istack.h oper.h errors.h
+zstack.o: ostack.h iostack.h opdef.h opextern.h opcheck.h iutil.h store.h
+
+zstring.o: memory_.h std.h stdpre.h arch.h ghost.h gx.h stdio_.h gserror.h
+zstring.o: gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h gsutil.h
+zstring.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h iname.h inames.h
+zstring.o: oper.h errors.h ostack.h iostack.h istack.h opdef.h opextern.h
+zstring.o: opcheck.h iutil.h store.h
+
+zsysvm.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zsysvm.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zsysvm.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zsysvm.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h store.h
+
+ztoken.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+ztoken.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+ztoken.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+ztoken.o: estack.h iestack.h gsstruct.h stream.h scommon.h files.h store.h
+ztoken.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h strimpl.h sfilter.h
+ztoken.o: iscan.h sa85x.h sstring.h
+
+ztrap.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+ztrap.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+ztrap.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+ztrap.o: ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h iparam.h gsparam.h
+ztrap.o: gstrap.h
+
+ztype.o: math_.h std.h stdpre.h arch.h memory_.h string_.h gsexit.h ghost.h
+ztype.o: gx.h stdio_.h gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h
+ztype.o: gdebug.h iref.h oper.h errors.h ostack.h iostack.h istack.h opdef.h
+ztype.o: opextern.h opcheck.h iutil.h imemory.h ivmspace.h gsgc.h gsalloc.h
+ztype.o: idict.h iname.h inames.h stream.h scommon.h gsstruct.h strimpl.h
+ztype.o: sfilter.h iscan.h sa85x.h sstring.h dstack.h idstack.h store.h
+ztype.o: ialloc.h
+
+zupath.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zupath.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zupath.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zupath.o: idict.h dstack.h idstack.h igstate.h gsstate.h gsdevice.h gsline.h
+zupath.o: gslparam.h gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h
+zupath.o: gsstruct.h iname.h inames.h store.h ialloc.h imemory.h ivmspace.h
+zupath.o: gsgc.h gsalloc.h stream.h scommon.h ibnum.h gsmatrix.h gscoord.h
+zupath.o: gspaint.h gxfixed.h gxdevice.h gxdevcli.h gscompt.h gsdcolor.h
+zupath.o: gsccolor.h gxarith.h gxbitmap.h gsbitmap.h gxhttile.h gxcindex.h
+zupath.o: gsbitops.h gsiparam.h gsrefct.h gsropt.h gsxfont.h gxcvalue.h
+zupath.o: gxtext.h gstext.h gsccode.h gsparam.h gsmalloc.h gspath.h gspenum.h
+zupath.o: gzpath.h gxpath.h gscpm.h gsrect.h gzstate.h gxdcolor.h gxistate.h
+zupath.o: gxline.h gxmatrix.h
+
+zusparam.o: memory_.h std.h stdpre.h arch.h string_.h ghost.h gx.h stdio_.h
+zusparam.o: gserror.h gsio.h gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h
+zusparam.o: oper.h errors.h ostack.h iostack.h istack.h opdef.h opextern.h
+zusparam.o: opcheck.h iutil.h gscdefs.h gconfigv.h gsstruct.h gsfont.h gxht.h
+zusparam.o: gscsepnm.h gsht1.h gsht.h gsrefct.h gxhttype.h gxtmap.h gsutil.h
+zusparam.o: estack.h iestack.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+zusparam.o: icontext.h icstate.h idict.h idparam.h iparam.h gsparam.h
+zusparam.o: dstack.h idstack.h iname.h inames.h iutil2.h store.h
+
+zvmem2.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zvmem2.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h oper.h errors.h
+zvmem2.o: ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h iutil.h
+zvmem2.o: estack.h iestack.h ialloc.h imemory.h ivmspace.h gsgc.h gsalloc.h
+zvmem2.o: store.h
+
+zvmem.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+zvmem.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h gsstruct.h oper.h
+zvmem.o: errors.h ostack.h iostack.h istack.h opdef.h opextern.h opcheck.h
+zvmem.o: iutil.h estack.h iestack.h ialloc.h imemory.h ivmspace.h gsgc.h
+zvmem.o: gsalloc.h idict.h igstate.h gsstate.h gsdevice.h gsline.h gslparam.h
+zvmem.o: gscolor.h gxtmap.h gsht.h gscsel.h gxstate.h istruct.h isave.h
+zvmem.o: dstack.h idstack.h stream.h scommon.h files.h store.h gsmalloc.h
+zvmem.o: gsmatrix.h
+
+genarch.o: stdpre.h
+
+pstoraster.o: ../cups/cups.h ../cups/ipp.h ../cups/http.h ../cups/string.h
+pstoraster.o: ../config.h ../cups/md5.h ../cups/ppd.h ../cups/string.h
+pstoraster.o: ghost.h gx.h stdio_.h std.h stdpre.h arch.h gserror.h gsio.h
+pstoraster.o: gstypes.h gsmemory.h gsmemraw.h gdebug.h iref.h imain.h
+pstoraster.o: gsexit.h iminst.h istack.h interp.h ostack.h iostack.h
+pstoraster.o: opextern.h gscdefs.h gconfigv.h store.h ialloc.h imemory.h
+pstoraster.o: ivmspace.h gsgc.h gsalloc.h
diff --git a/pstoraster/Fontmap b/pstoraster/Fontmap
new file mode 100644
index 000000000..42797fe18
--- /dev/null
+++ b/pstoraster/Fontmap
@@ -0,0 +1,98 @@
+%
+% "$Id: Fontmap 569 1999-07-30 12:57:12Z mike $"
+%
+%   Fontmap file for the Common UNIX Printing System (CUPS).
+%
+%   Copyright 1997-1999 by Easy Software Products, all rights reserved.
+%
+%   These coded instructions, statements, and computer programs are the
+%   property of Easy Software Products and are protected by Federal
+%   copyright law.  Distribution and use rights are outlined in the file
+%   "LICENSE.txt" which should have been included with this file.  If this
+%   file is missing or damaged please contact Easy Software Products
+%   at:
+%
+%       Attn: CUPS Licensing Information
+%       Easy Software Products
+%       44145 Airport View Drive, Suite 204
+%       Hollywood, Maryland 20636-3111 USA
+%
+%       Voice: (301) 373-9603
+%       EMail: cups-info@cups.org
+%         WWW: http://www.cups.org
+%
+
+%
+% The Fontmap file takes lines in the following formats:
+%
+%     /FontName /RealFontName   [for aliases]
+%     /FontName (FileName)      [for actual font files]
+%
+% All Type1 fonts in the "fonts" directory (usually /usr/share/cups/fonts)
+% are automagically added with the names in the font files (that is, the
+% font filename doesn't matter, it looks at the file header instead).
+%
+
+%
+% The standard fonts included with ESP Print are the free GhostScript fonts,
+% which don't use the standard names.  These aliases map the standard 39
+% fonts to the free fonts.
+%
+
+/Bookman-Demi			/URWBookmanL-DemiBold		;
+/Bookman-DemiItalic		/URWBookmanL-DemiBoldItal	;
+/Bookman-Light			/URWBookmanL-Ligh		;
+/Bookman-LightItalic		/URWBookmanL-LighItal		;
+
+/Courier			/NimbusMonL-Regu		;
+/Courier-Oblique		/NimbusMonL-ReguObli		;
+/Courier-Bold			/NimbusMonL-Bold		;
+/Courier-BoldOblique		/NimbusMonL-BoldObli		;
+
+/AvantGarde-Book		/URWGothicL-Book		;
+/AvantGarde-BookOblique		/URWGothicL-BookObli		;
+/AvantGarde-Demi		/URWGothicL-Demi		;
+/AvantGarde-DemiOblique		/URWGothicL-DemiObli		;
+
+/Helvetica			/NimbusSanL-Regu		;
+/Helvetica-Oblique		/NimbusSanL-ReguItal		;
+/Helvetica-Bold			/NimbusSanL-Bold		;
+/Helvetica-BoldOblique		/NimbusSanL-BoldItal		;
+
+/Helvetica-Narrow		/NimbusSanL-ReguCond		;
+/Helvetica-Narrow-Oblique	/NimbusSanL-ReguCondItal	;
+/Helvetica-Narrow-Bold		/NimbusSanL-BoldCond		;
+/Helvetica-Narrow-BoldOblique	/NimbusSanL-BoldCondItal	;
+
+/Palatino-Roman			/URWPalladioL-Roma		;
+/Palatino-Italic		/URWPalladioL-Ital		;
+/Palatino-Bold			/URWPalladioL-Bold		;
+/Palatino-BoldItalic		/URWPalladioL-BoldItal		;
+
+/NewCenturySchlbk-Roman		/CenturySchL-Roma		;
+/NewCenturySchlbk-Italic	/CenturySchL-Ital		;
+/NewCenturySchlbk-Bold		/CenturySchL-Bold		;
+/NewCenturySchlbk-BoldItalic	/CenturySchL-BoldItal		;
+
+/Times-Roman			/NimbusRomNo9L-Regu		;
+/Times-Italic			/NimbusRomNo9L-ReguItal		;
+/Times-Bold			/NimbusRomNo9L-Medi		;
+/Times-BoldItalic		/NimbusRomNo9L-MediItal		;
+
+/Symbol				/StandardSymL			;
+
+/ZapfChancery-MediumItalic	/URWChanceryL-MediItal		;
+
+/ZapfDingbats			/Dingbats			;
+
+%
+% This alias is for less-intelligent PC programs like Quark and
+% Freehand which insist on using "Times" as the name for the
+% "Times-Roman" font.  Go figure.
+%
+
+/Times				/Times-Roman			;
+
+%
+% End of "$Id: Fontmap 569 1999-07-30 12:57:12Z mike $".
+%
diff --git a/pstoraster/Makefile b/pstoraster/Makefile
new file mode 100644
index 000000000..e04f17c25
--- /dev/null
+++ b/pstoraster/Makefile
@@ -0,0 +1,454 @@
+#
+# "$Id$"
+#
+#   GNU Ghostscript makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+#   This makefile and any derivative of it may be used and distributed
+#   freely under the terms of the GNU General Public License when
+#   used with GNU Ghostscript or its derivatives.  Use of the makefile
+#   (or any derivative of it) with software other than GNU GhostScript
+#   (or its derivatives) is governed by the CUPS license agreement.
+#
+
+include ../Makedefs
+
+
+#
+# Object files...
+#
+
+LIBOBJS	=	gconfig.o \
+		gdevabuf.o \
+		gdevbbox.o \
+		gdevcups.o \
+		gdevdbit.o \
+		gdevddrw.o \
+		gdevdflt.o \
+		gdevdgbr.o \
+		gdevhit.o \
+		gdevm16.o \
+		gdevm1.o \
+		gdevm24.o \
+		gdevm2.o \
+		gdevm32.o \
+		gdevm4.o \
+		gdevm8.o \
+		gdevmem.o \
+		gdevmpla.o \
+		gdevnfwd.o \
+		gdevpipe.o \
+		gdevprn.o \
+		gp_getnv.o \
+		gp_nofb.o \
+		gp_nsync.o \
+		gp_unifn.o \
+		gp_unifs.o \
+		gp_unix.o \
+		gsalloc.o \
+		gsalpha.o \
+		gsargs.o \
+		gsbitops.o \
+		gsbittab.o \
+		gscdefs.o \
+		gscdevn.o \
+		gschar0.o \
+		gschar.o \
+		gscie.o \
+		gsclipsr.o \
+		gscolor1.o \
+		gscolor2.o \
+		gscolor3.o \
+		gscolor.o \
+		gscoord.o \
+		gscparam.o \
+		gscpixel.o \
+		gscrdp.o \
+		gscrd.o \
+		gscscie.o \
+		gscsepr.o \
+		gscspace.o \
+		gsdevice.o \
+		gsdevmem.o \
+		gsdparam.o \
+		gsdps1.o \
+		gsdsrc.o \
+		gsfcmap.o \
+		gsfont0.o \
+		gsfont.o \
+		gsfunc0.o \
+		gsfunc3.o \
+		gsfunc.o \
+		gshsb.o \
+		gsht1.o \
+		gshtscr.o \
+		gsht.o \
+		gsimage.o \
+		gsimpath.o \
+		gsinit.o \
+		gsiodev.o \
+		gsline.o \
+		gsmalloc.o \
+		gsmatrix.o \
+		gsmemory.o \
+		gsmisc.o \
+		gsnorop.o \
+		gspaint.o \
+		gsparams.o \
+		gsparam.o \
+		gspath1.o \
+		gspath.o \
+		gspcolor.o \
+		gsshade.o \
+		gsstate.o \
+		gstext.o \
+		gstrap.o \
+		gstype1.o \
+		gstype2.o \
+		gstype42.o \
+		gsutil.o \
+		gxacpath.o \
+		gxbcache.o \
+		gxccache.o \
+		gxccman.o \
+		gxcht.o \
+		gxclbits.o \
+		gxclimag.o \
+		gxclip2.o \
+		gxclipm.o \
+		gxclip.o \
+		gxclist.o \
+		gxclmem.o \
+		gxclpage.o \
+		gxclpath.o \
+		gxclrast.o \
+		gxclread.o \
+		gxclrect.o \
+		gxclutil.o \
+		gxclzlib.o \
+		gxcmap.o \
+		gxcpath.o \
+		gxctable.o \
+		gxdcconv.o \
+		gxdcolor.o \
+		gxdither.o \
+		gxfill.o \
+		gxhint1.o \
+		gxhint2.o \
+		gxhint3.o \
+		gxht.o \
+		gxi12bit.o \
+		gxicolor.o \
+		gxidata.o \
+		gxifast.o \
+		gxiinit.o \
+		gximage3.o \
+		gximage4.o \
+		gximono.o \
+		gxiscale.o \
+		gxmclip.o \
+		gxp1fill.o \
+		gxpaint.o \
+		gxpath2.o \
+		gxpath.o \
+		gxpcmap.o \
+		gxpcopy.o \
+		gxpdash.o \
+		gxpflat.o \
+		gxsample.o \
+		gxshade1.o \
+		gxshade4.o \
+		gxshade6.o \
+		gxshade.o \
+		gxstroke.o \
+		gxtype1.o \
+		ialloc.o \
+		ibnum.o \
+		iccinit0.o \
+		iconfig.o \
+		icontext.o \
+		idebug.o \
+		idict.o \
+		idparam.o \
+		idstack.o \
+		igcref.o \
+		igcstr.o \
+		igc.o \
+		iinit.o \
+		ilocate.o \
+		imainarg.o \
+		imain.o \
+		iname.o \
+		interp.o \
+		iparam.o \
+		ireclaim.o \
+		isave.o \
+		iscanbin.o \
+		iscannum.o \
+		iscan.o \
+		istack.o \
+		iutil2.o \
+		iutil.o \
+		sbcp.o \
+		sbhc.o \
+		sbwbs.o \
+		scantab.o \
+		scfdtab.o \
+		scfd.o \
+		scfetab.o \
+		scfe.o \
+		scfparam.o \
+		sdcparam.o \
+		sdctc.o \
+		sdctd.o \
+		sdcte.o \
+		sddparam.o \
+		sdeparam.o \
+		seexec.o \
+		sfilter1.o \
+		sfilter2.o \
+		sfxstdio.o \
+		shcgen.o \
+		shc.o \
+		siscale.o \
+		sjpegc.o \
+		sjpegd.o \
+		sjpegerr.o \
+		sjpege.o \
+		slzwce.o \
+		slzwc.o \
+		slzwd.o \
+		smtf.o \
+		spcxd.o \
+		spdiff.o \
+		spngp.o \
+		srld.o \
+		srle.o \
+		sstring.o \
+		stream.o \
+		szlibc.o \
+		szlibd.o \
+		szlibe.o \
+		zarith.o \
+		zarray.o \
+		zbseq.o \
+		zcfont.o \
+		zchar1.o \
+		zchar2.o \
+		zchar32.o \
+		zchar42.o \
+		zcharout.o \
+		zchar.o \
+		zcid.o \
+		zcie.o \
+		zcolor1.o \
+		zcolor2.o \
+		zcolor.o \
+		zcontrol.o \
+		zcrd.o \
+		zcsdevn.o \
+		zcsindex.o \
+		zcspixel.o \
+		zcssepr.o \
+		zdevcal.o \
+		zdevice2.o \
+		zdevice.o \
+		zdict.o \
+		zdps1.o \
+		zfbcp.o \
+		zfcmap.o \
+		zfdctd.o \
+		zfdcte.o \
+		zfdecode.o \
+		zfileio.o \
+		zfile.o \
+		zfilter2.o \
+		zfilterx.o \
+		zfilter.o \
+		zfname.o \
+		zfont0.o \
+		zfont1.o \
+		zfont2.o \
+		zfont32.o \
+		zfont42.o \
+		zfont.o \
+		zfproc.o \
+		zfreuse.o \
+		zfunc0.o \
+		zfunc3.o \
+		zfunc.o \
+		zfzlib.o \
+		zgeneric.o \
+		zgstate.o \
+		zhsb.o \
+		zht1.o \
+		zht2.o \
+		zht.o \
+		zimage2.o \
+		zimage3.o \
+		zimage.o \
+		ziodev2.o \
+		ziodev.o \
+		zmath.o \
+		zmatrix.o \
+		zmedia2.o \
+		zmisc1.o \
+		zmisc2.o \
+		zmisc3.o \
+		zmisc.o \
+		zpacked.o \
+		zpaint.o \
+		zpath1.o \
+		zpath.o \
+		zpcolor.o \
+		zrelbit.o \
+		zshade.o \
+		zstack.o \
+		zstring.o \
+		zsysvm.o \
+		ztoken.o \
+		ztrap.o \
+		ztype.o \
+		zupath.o \
+		zusparam.o \
+		zvmem2.o \
+		zvmem.o
+
+OBJS	=	$(LIBOBJS) genarch.o pstoraster.o
+
+#
+# Data files...
+#
+
+DFILES	=	Fontmap \
+		gs_btokn.ps gs_ccfnt.ps gs_cff.ps gs_cidfn.ps \
+		gs_cmap.ps gs_cmdl.ps gs_dbt_e.ps gs_diskf.ps \
+		gs_dpnxt.ps gs_dps1.ps gs_dps2.ps gs_dps.ps gs_epsf.ps \
+		gs_fform.ps gs_fonts.ps gs_init.ps gs_iso_e.ps \
+		gs_kanji.ps gs_ksb_e.ps gs_lev2.ps gs_ll3.ps \
+		gs_mex_e.ps gs_mro_e.ps gs_pfile.ps gs_res.ps \
+		gs_setpd.ps gs_statd.ps gs_std_e.ps gs_sym_e.ps \
+		gs_ttf.ps gs_typ32.ps gs_typ42.ps gs_type1.ps \
+		gs_wan_e.ps gs_wl1_e.ps gs_wl2_e.ps gs_wl5_e.ps
+
+
+#
+# Targets...
+#
+
+TARGETS	=	genarch arch.h libgs.a pstoraster
+
+
+#
+# Make everything...
+#
+
+all:		$(TARGETS)
+
+#
+# Clean all config and object files...
+#
+
+clean:
+	$(RM) $(TARGETS)
+	$(RM) $(OBJS)
+
+
+#
+# Install files...
+#
+
+install:	$(TARGETS)
+	$(INSTALL_DIR) $(SERVERBIN)/filter
+	$(INSTALL_BIN) pstoraster $(SERVERBIN)/filter
+	$(INSTALL_DIR) $(DATADIR)/pstoraster
+	for file in $(DFILES); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/pstoraster; \
+	done
+
+
+#
+# genarch - generate the architecture configuration file.
+#
+
+genarch:	genarch.o
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o genarch genarch.o
+arch.h:		genarch
+	echo Generating $@...
+	./genarch arch.h
+
+
+#
+# libgs.a - GhostScript interpreter library...
+#
+
+libgs.a:	$(LIBOBJS) ../Makedefs
+	echo Archiving $@...
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ $(LIBOBJS)
+	$(RANLIB) $@
+
+
+#
+# pstoraster - PostScript RIP filter.
+#
+
+pstoraster:	pstoraster.o libgs.a ../Makedefs ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o pstoraster pstoraster.o libgs.a \
+		$(LINKCUPSIMAGE) $(IMGLIBS) $(DSOLIBS) $(LIBS) -lm
+
+
+#
+# purify - target to test Ghostscript to see how leaky it is...
+#
+
+purify:	pstoraster.o libgs.a ../Makedefs ../cups/$(LIBCUPS)
+	echo Linking $@...
+	purify $(CC) $(LDFLAGS) -o pstoraster.pure pstoraster.o libgs.a \
+		$(LINKCUPSIMAGE) $(IMGLIBS) $(DSOLIBS) $(LIBS) -lm
+
+
+#
+# Generate dependencies for Ghostscript source files...
+#
+
+depend:
+	rm -f Dependencies
+	touch Dependencies
+	for file in $(OBJS:.o=.c); do \
+		echo $$file; \
+		makedepend -a -fDependencies -I.. -Y $$file >/dev/null 2>&1; \
+	done
+
+
+#
+# Dependencies...
+#
+
+$(OBJS):	../Makedefs
+
+include Dependencies
+
+
+#
+# End of "$Id$".
+#
diff --git a/pstoraster/bfont.h b/pstoraster/bfont.h
new file mode 100644
index 000000000..7adae17de
--- /dev/null
+++ b/pstoraster/bfont.h
@@ -0,0 +1,76 @@
+/* Copyright (C) 1992, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter internal routines and data needed for building fonts */
+/* Requires gxfont.h */
+
+#ifndef bfont_INCLUDED
+#  define bfont_INCLUDED
+
+#include "ifont.h"
+
+/* In zfont.c */
+int add_FID(P2(ref * pfdict, gs_font * pfont));
+
+font_proc_make_font(zdefault_make_font);
+font_proc_make_font(zbase_make_font);
+/* The global font directory */
+extern gs_font_dir *ifont_dir;
+
+/* Structure for passing BuildChar and BuildGlyph procedures. */
+typedef struct build_proc_refs_s {
+    ref BuildChar;
+    ref BuildGlyph;
+} build_proc_refs;
+
+/* Options for collecting parameters from a font dictionary. */
+/* The comment indicates where the option is tested. */
+typedef enum {
+    bf_options_none = 0,
+    bf_Encoding_optional = 1,	/* build_gs_font */
+    bf_FontBBox_required = 2,	/* build_gs_simple_font */
+    bf_UniqueID_ignored = 4,	/* build_gs_simple_font */
+    bf_CharStrings_optional = 8,	/* build_gs_primitive_font */
+    bf_notdef_required = 16	/* build_gs_primitive_font */
+} build_font_options_t;
+
+/* In zfont2.c */
+int build_proc_name_refs(P3(build_proc_refs * pbuild,
+			    const char *bcstr,
+			    const char *bgstr));
+int build_gs_font_procs(P2(os_ptr, build_proc_refs *));
+int build_gs_primitive_font(P6(os_ptr, gs_font_base **, font_type,
+			       gs_memory_type_ptr_t, const build_proc_refs *,
+			       build_font_options_t));
+int build_gs_simple_font(P6(os_ptr, gs_font_base **, font_type,
+			    gs_memory_type_ptr_t, const build_proc_refs *,
+			    build_font_options_t));
+void lookup_gs_simple_font_encoding(P1(gs_font_base *));
+int build_gs_font(P6(os_ptr, gs_font **, font_type,
+		     gs_memory_type_ptr_t, const build_proc_refs *,
+		     build_font_options_t));
+int define_gs_font(P1(gs_font *));
+
+#endif /* bfont_INCLUDED */
diff --git a/pstoraster/bseq.h b/pstoraster/bseq.h
new file mode 100644
index 000000000..46dab4a60
--- /dev/null
+++ b/pstoraster/bseq.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 1990, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility to
+  anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer to
+  the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given to
+  you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises is not affiliated with the Free Software Foundation or
+  the GNU Project.  GNU Ghostscript, as distributed by Aladdin Enterprises,
+  does not depend on any other GNU software.
+*/
+
+/* bseq.h */
+/* Definitions for Level 2 binary object sequences */
+
+/* Binary object sequence element types */
+typedef enum {
+  bs_null = 0,
+  bs_integer = 1,
+  bs_real = 2,
+  bs_name = 3,
+  bs_boolean = 4,
+  bs_string = 5,
+  bs_eval_name = 6,
+  bs_array = 9,
+  bs_mark = 10,
+	/*
+	 * We extend the PostScript language definition by allowing
+	 * dictionaries in binary object sequences.  The data for
+	 * a dictionary is like that for an array, with the following
+	 * changes:
+	 *	- If the size is an even number, the value is the index of
+	 * the first of a series of alternating keys and values.
+	 *	- If the size is 1, the value is the index of another
+	 * object (which must also be a dictionary, and must not have
+	 * size = 1); this object represents the same object as that one.
+	 */
+  bs_dictionary = 15
+} bin_seq_type;
+#define bs_executable 128
+
+/* Definition of an object in a binary object sequence. */
+typedef struct {
+  byte tx;			/* type and executable flag */
+  byte unused;
+  union {
+    bits16 w;
+    byte b[2];
+  } size;
+  union {
+    bits32 w;
+    float f;
+    byte b[4];
+  } value;
+} bin_seq_obj;
diff --git a/pstoraster/btoken.h b/pstoraster/btoken.h
new file mode 100644
index 000000000..ac798ef9c
--- /dev/null
+++ b/pstoraster/btoken.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1990, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for Level 2 binary tokens */
+
+#ifndef btoken_INCLUDED
+#  define btoken_INCLUDED
+
+/* Define accessors for pointers to the system and user name tables. */
+extern ref binary_token_names;	/* array of size 2 */
+
+#define system_names_p (binary_token_names.value.refs)
+#define user_names_p (binary_token_names.value.refs + 1)
+
+/* Convert an object to its representation in a binary object sequence. */
+int encode_binary_token(P4(const ref * obj, long *ref_offset, long *char_offset,
+			   byte * str));
+
+#endif /* btoken_INCLUDED */
diff --git a/pstoraster/ctype_.h b/pstoraster/ctype_.h
new file mode 100644
index 000000000..c120d647f
--- /dev/null
+++ b/pstoraster/ctype_.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 1993, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Wrapper for ctype.h */
+
+#ifndef ctype__INCLUDED
+#  define ctype__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+/* ... and that's the only reason for having this file at all. */
+#include <ctype.h>
+
+#endif /* ctype__INCLUDED */
diff --git a/pstoraster/dirent_.h b/pstoraster/dirent_.h
new file mode 100644
index 000000000..2e33dc0d2
--- /dev/null
+++ b/pstoraster/dirent_.h
@@ -0,0 +1,60 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1993, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix dirent.h */
+
+#ifndef dirent__INCLUDED
+#  define dirent__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+#include <config.h>
+
+/*
+ * Directory entries may be defined in quite a number of different
+ * header files.  The following switches are defined in gconfig_.h.
+ */
+#ifdef HAVE_DIRENT_H
+#  include <dirent.h>
+typedef struct dirent dir_entry;
+
+#else /* sys/ndir or ndir or sys/dir, i.e., no dirent */
+#  ifdef HAVE_SYS_DIR_H
+#    include <sys/dir.h>
+#  endif
+#  ifdef HAVE_SYS_NDIR_H
+#    include <sys/ndir.h>
+#  endif
+#  ifdef HAVE_NDIR_H
+#    include <ndir.h>
+#  endif
+typedef struct direct dir_entry;
+
+#endif /* sys/ndir or ndir or sys/dir */
+
+#endif /* dirent__INCLUDED */
diff --git a/pstoraster/dstack.h b/pstoraster/dstack.h
new file mode 100644
index 000000000..a9480a9e9
--- /dev/null
+++ b/pstoraster/dstack.h
@@ -0,0 +1,236 @@
+/* Copyright (C) 1992, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for the interpreter's dictionary stack */
+
+#ifndef dstack_INCLUDED
+#  define dstack_INCLUDED
+
+#include "idstack.h"
+
+/* Define the (currently static) dictionary stack instance. */
+extern dict_stack_t idict_stack;
+
+#define d_stack (idict_stack.stack)
+
+/* Define the interpreter-specific versions of the generic dstack API. */
+#define min_dstack_size (idict_stack.min_size)
+#define dstack_userdict_index (idict_stack.userdict_index)
+#define dsspace (idict_stack.def_space)
+#define dtop_can_store(pvalue) ((int)r_space(pvalue) <= dsspace)
+#define dtop_keys (idict_stack.top_keys)
+#define dtop_npairs (idict_stack.top_npairs)
+#define dtop_values (idict_stack.top_values)
+#define dict_set_top() dstack_set_top(&idict_stack);
+#define dict_is_permanent_on_dstack(pdict)\
+  dstack_dict_is_permanent(&idict_stack, pdict)
+#define dicts_gc_cleanup() dstack_gc_cleanup(&idict_stack)
+#define systemdict (&idict_stack.system_dict)
+
+/* Define the dictionary stack pointers. */
+#define dsbot (d_stack.bot)
+#define dsp (d_stack.p)
+#define dstop (d_stack.top)
+
+/* Macro to ensure enough room on the dictionary stack */
+#define check_dstack(n)\
+  if ( dstop - dsp < (n) )\
+    { d_stack.requested = (n); return_error(e_dictstackoverflow); }
+
+/*
+ * The dictionary stack is implemented as a linked list of blocks;
+ * operators that access the entire d-stack must take this into account.
+ * These are:
+ *      countdictstack  dictstack
+ * In addition, name lookup requires searching the entire stack, not just
+ * the top block, and the underflow check for the dictionary stack
+ * (`end' operator) is not just a check for underflowing the top block.
+ */
+
+/* Name lookup */
+#define dict_find_name_by_index(nidx)\
+  dstack_find_name_by_index(&idict_stack, nidx)
+#define dict_find_name(pnref) dict_find_name_by_index(name_index(pnref))
+#define dict_find_name_by_index_inline(nidx, htemp)\
+  dstack_find_name_by_index_inline(&idict_stack, nidx, htemp)
+#define if_dict_find_name_by_index_top(nidx, htemp, pvslot)\
+  if_dstack_find_name_by_index_top(&idict_stack, nidx, htemp, pvslot)
+
+/*
+   Notes on dictionary lookup performance
+   --------------------------------------
+
+   We mark heavily used operations with a * below; moderately heavily used
+   operations with a +.
+
+   The following operations change the dictionary stack:
+   +begin, +end
+   readonly (on a dictionary that is on the stack)
+   noaccess (on a dictionary that is on the stack)
+   We implement cleardictstack as a series of ends.
+
+   The following operations change the contents of dictionaries:
+   *def, +put
+   undef
+   restore
+   .setmaxlength
+   We implement store in PostScript, and copy as a series of puts.  Many
+   other operators also do puts (e.g., ScaleMatrix in makefont,
+   Implementation in makepattern, ...).  Note that put can do an implicit
+   .setmaxlength (if it has to grow the dictionary).
+
+   The following operations look up keys on the dictionary stack:
+   *(interpreter name lookup)
+   load
+   where
+
+   Current design
+   --------------
+
+   Each name has a pointer that has one of 3 states:
+   - This name has no definitions.
+   - This name has exactly one definition, in systemdict or userdict.
+   In this case, the pointer points to the value slot.
+   - This name has some other status.
+
+   We cache some pointers to the top dictionary on the stack if it is a
+   readable dictionary with packed keys, which allows us to do fast,
+   single-probe lookups in this dictionary.  We also cache a value that
+   allows us to do a fast check for stores into the top dictionary
+   (writability + space check).
+
+   Full shallow binding
+   --------------------
+
+   We implement shallow binding with a pointer in each name that points to
+   the value slot that holds the name's definition.  If the name is
+   undefined, or if we don't know where the slot is, the binding pointer
+   points to a ref with a special type t__invalid, which cannot occur
+   anywhere else.  "Clearing" the pointer means setting it to point to this
+   ref.
+
+   We also maintain a pair of pointers that bracket the value region of the
+   top dictionary on the stack, for fast checking in def.  If the top
+   dictionary is readonly or noaccess, the pointers designate an empty area.
+   We call this the "def region" cache.
+
+   We implement the above operations as follows:
+   begin - push the dictionary on the stack; set the pointers of
+   all name keys to point to the corresponding value slots.
+   end - pop the stack; clear the pointers of all name keys.
+   readonly - if the dictionary is the top one on the stack,
+   reset the def region cache.
+   noaccess - clear the pointers of all name keys.  (This is overly
+   conservative, but this is a very rare operation.)
+   Also reset the def region cache if the dictionary is
+   the top one on the stack.
+   def - if the key is a name and its pointer points within the cached
+   def region, store the value through the pointer; otherwise,
+   look up the key in the top dictionary, store the value,
+   and if the key is a name, set its pointer to the value slot.
+   put - if the key is a name and wasn't in the dictionary before,
+   clear its pointer.  (Conservative, but rare.)
+   undef - if the key is a name, clear its pointer.  (Overly
+   conservative, but rare.)
+   restore - if either the old or the new value of a change is a name
+   (possibly in a packed array), clear its pointer.  This is
+   conservative, but easy to detect, and probably not *too*
+   conservative.
+   .setmaxlength - clear all the pointers, like noaccess.
+   (name lookup) - fetch the value through the pointer and dispatch
+   on its type; if the type is t__invalid, do a full search
+   and set the pointer.  This avoids a separate check for a
+   clear pointer in the usual case where the pointer is valid.
+   load - if the pointer is clear, do a search and set the pointer;
+   then fetch the value.
+   where - always do a full search and set the pointer.
+   (Conservative, but rare.)
+
+   One place where shallow binding will result in major new overhead is the
+   extra push of systemdict for loading fonts.  This probably isn't a problem
+   in real life.
+
+   Adaptive shallow binding
+   ------------------------
+
+   We do validity checking for the name value cache using an epoch counter.
+   For each dictionary D, we keep an on-stack flag F.  Each dictionary stack
+   entry is <D,M,F,E> where D is the actual dictionary, M is a mark vector of
+   V bits (V is a system constant, probably 64), F is D's former on-stack
+   flag, and E is the epoch at which the entry was made.  For each name K, we
+   keep a cache <P,E> where P is a pointer to the dictionary value slot that
+   holds the current value of K, and E is an epoch value; the cache is valid
+   if K->E >= dsp->E.  Here is what happens for each operation:
+
+   ****** Still need to handle names defined only in systemdict or userdict?
+
+   To initialize:
+   Epoch = 0
+   To clear the cache entry for K:
+   *K = <ptr to invalid value, 0>
+   begin(D):
+   *++dsp = <D, {0...}, D->F, ++Epoch>
+   set D->F
+   value = lookup(K):
+   if K->E >= dsp->E
+   value = *K->P
+   else
+   do lookup as usual
+   *K = <ptr to value, Epoch>
+   set dp->M[i mod V] where dp is the dstack slot of the dictionary
+   where K was found and i is the index within that dictionary
+   end:
+   for each i such that dsp->M[i] is set,
+   clear the cache entry for dsp->D->keys[i, i+V, ...]
+   dsp->D->F = dsp->F
+   --dsp
+   noaccess(D):
+   if D->F is set,
+   clear the cache entries for all name keys of D
+   readonly(D):
+   << nothing >>
+   .setmaxlength(D,N):
+   same as noaccess
+   restore:
+   If either the old or the new value of a change is a name
+   (possibly in a packed array), clear its cache entry.  This is
+   conservative, but easy to detect, and probably not *too*
+   conservative.
+   def(K,V):
+   if K->P points into dsp->D
+   *K->P = V
+   else
+   put the new value in dsp->D
+   set *K and dsp->M[i mod V] as for a lookup
+   put(D,K,V):
+   if K is already defined in D, do nothing special
+   otherwise, if D->F isn't set, do nothing special
+   otherwise, clear K's cache entry
+   undef(D,K):
+   if D->F is set,
+   clear K's cache entry
+ */
+
+#endif /* dstack_INCLUDED */
diff --git a/pstoraster/errno_.h b/pstoraster/errno_.h
new file mode 100644
index 000000000..b2a2ae561
--- /dev/null
+++ b/pstoraster/errno_.h
@@ -0,0 +1,42 @@
+/* Copyright (C) 1993, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix errno.h */
+
+#ifndef errno__INCLUDED
+#  define errno__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+/* All environments provide errno.h, but in some of them, errno.h */
+/* only defines the error numbers, and doesn't declare errno. */
+#include <errno.h>
+#ifndef errno			/* in case it was #defined (very implausible!) */
+extern int errno;
+
+#endif
+
+#endif /* errno__INCLUDED */
diff --git a/pstoraster/errors.h b/pstoraster/errors.h
new file mode 100644
index 000000000..b5fd1844b
--- /dev/null
+++ b/pstoraster/errors.h
@@ -0,0 +1,148 @@
+/* Copyright (C) 1989, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of error codes */
+
+#ifndef errors_INCLUDED
+#  define errors_INCLUDED
+
+/*
+ * A procedure that may return an error always returns
+ * a non-negative value (zero, unless otherwise noted) for success,
+ * or negative for failure.
+ * We use ints rather than an enum to avoid a lot of casting.
+ */
+
+/* Define the error name table */
+extern const char *const gs_error_names[];
+
+		/* ------ PostScript Level 1 errors ------ */
+
+#define e_unknownerror (-1)	/* unknown error */
+#define e_dictfull (-2)
+#define e_dictstackoverflow (-3)
+#define e_dictstackunderflow (-4)
+#define e_execstackoverflow (-5)
+#define e_interrupt (-6)
+/* We also need to define gs_error_interrupt, for gpcheck.h. */
+#undef gs_error_interrupt
+#define gs_error_interrupt e_interrupt
+#define e_invalidaccess (-7)
+#define e_invalidexit (-8)
+#define e_invalidfileaccess (-9)
+#define e_invalidfont (-10)
+#define e_invalidrestore (-11)
+#define e_ioerror (-12)
+#define e_limitcheck (-13)
+#define e_nocurrentpoint (-14)
+#define e_rangecheck (-15)
+#define e_stackoverflow (-16)
+#define e_stackunderflow (-17)
+#define e_syntaxerror (-18)
+#define e_timeout (-19)
+#define e_typecheck (-20)
+#define e_undefined (-21)
+#define e_undefinedfilename (-22)
+#define e_undefinedresult (-23)
+#define e_unmatchedmark (-24)
+#define e_VMerror (-25)
+
+#define LEVEL1_ERROR_NAMES\
+ "unknownerror", "dictfull", "dictstackoverflow", "dictstackunderflow",\
+ "execstackoverflow", "interrupt", "invalidaccess", "invalidexit",\
+ "invalidfileaccess", "invalidfont", "invalidrestore", "ioerror",\
+ "limitcheck", "nocurrentpoint", "rangecheck", "stackoverflow",\
+ "stackunderflow", "syntaxerror", "timeout", "typecheck", "undefined",\
+ "undefinedfilename", "undefinedresult", "unmatchedmark", "VMerror"
+
+		/* ------ Additional Level 2 and DPS errors ------ */
+
+#define e_configurationerror (-26)
+#define e_invalidcontext (-27)
+#define e_undefinedresource (-28)
+#define e_unregistered (-29)
+/* invalidid is for the NeXT DPS extension. */
+#define e_invalidid (-30)
+
+#define LEVEL2_ERROR_NAMES\
+ "configurationerror", "invalidcontext", "undefinedresource",\
+ "unregistered", "invalidid"
+
+#define ERROR_NAMES   LEVEL1_ERROR_NAMES, LEVEL2_ERROR_NAMES
+
+		/* ------ Pseudo-errors used internally ------ */
+
+/*
+ * Internal code for a fatal error.
+ * gs_interpret also returns this for a .quit with a positive exit code.
+ */
+#define e_Fatal (-100)
+
+/*
+ * Internal code for the .quit operator.
+ * The real quit code is an integer on the operand stack.
+ * gs_interpret returns this only for a .quit with a zero exit code.
+ */
+#define e_Quit (-101)
+
+/*
+ * Internal code for a normal exit from the interpreter.
+ * Do not use outside of interp.c.
+ */
+#define e_InterpreterExit (-102)
+
+/*
+ * Internal code that indicates that a procedure has been inserted
+ * on the e-stack at (former) esp+2, to be executed before retrying
+ * the current token.  This is used for color remapping
+ * involving a call back into the interpreter -- inelegant, but effective.
+ */
+#define e_InsertProc (-103)
+
+/*
+ * Internal code to indicate we have underflowed the top block
+ * of the e-stack.
+ */
+#define e_ExecStackUnderflow (-104)
+
+/*
+ * Internal code for the vmreclaim operator with a positive operand.
+ * We need to handle this as an error because otherwise the interpreter
+ * won't reload enough of its state when the operator returns.
+ */
+#define e_VMreclaim (-105)
+
+/*
+ * Internal code for requesting more input from run_string.
+ */
+#define e_NeedInput (-106)
+
+/*
+ * Define which error codes require re-executing the current object.
+ */
+#define error_is_interrupt(ecode)\
+  ((ecode) == e_interrupt || (ecode) == e_timeout)
+
+#endif /* errors_INCLUDED */
diff --git a/pstoraster/estack.h b/pstoraster/estack.h
new file mode 100644
index 000000000..2c42beace
--- /dev/null
+++ b/pstoraster/estack.h
@@ -0,0 +1,139 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for the execution stack */
+
+#ifndef estack_INCLUDED
+#  define estack_INCLUDED
+
+#include "iestack.h"
+
+/* There's only one exec stack right now.... */
+#define esfile (iexec_stack.current_file)
+#define esfile_clear_cache() (esfile = 0)
+#define esfile_set_cache(pref) (esfile = (pref))
+#define esfile_check_cache()\
+  if ( r_has_type_attrs(esp, t_file, a_executable) )\
+    esfile_set_cache(esp)
+
+/* Define the execution stack pointers. */
+extern exec_stack_t iexec_stack;
+
+#define e_stack (iexec_stack.stack)
+#define esbot (e_stack.bot)
+#define esp (e_stack.p)
+#define estop (e_stack.top)
+
+/*
+ * The execution stack is used for three purposes:
+ *
+ *      - Procedures being executed are held here.  They always have
+ * type = t_array, t_mixedarray, or t_shortarray, with a_executable set.
+ * More specifically, the e-stack holds the as yet unexecuted tail of the
+ * procedure.
+ *
+ *      - if, ifelse, etc. push arguments to be executed here.
+ * They may be any kind of object whatever.
+ *
+ *      - Control operators (filenameforall, for, repeat, loop, forall,
+ * pathforall, run, stopped, ...) mark the stack by pushing whatever state
+ * they need to save or keep track of and then an object with type = t_null,
+ * attrs = a_executable, size = es_xxx (see below), and value.opproc = a
+ * cleanup procedure that will get called whenever the execution stack is
+ * about to get cut back beyond this point because of an error, stop, exit,
+ * or quit.  (Executable null objects can't ever appear on the e-stack
+ * otherwise: if a control operator pushes one, it gets popped immediately.)
+ * The cleanup procedure is called with esp pointing just BELOW the mark,
+ * i.e., the mark has already been popped.
+ *
+ * The loop operators also push whatever state they need,
+ * followed by an operator object that handles continuing the loop.
+ *
+ * Note that there are many internal operators that need to be handled like
+ * looping operators -- for example, all the 'show' operators, since they
+ * may call out to BuildChar procedures.
+ */
+
+/* Macro for marking the execution stack */
+#define make_mark_estack(ep, es_idx, proc)\
+  make_tasv(ep, t_null, a_executable, es_idx, opproc, proc)
+#define push_mark_estack(es_idx, proc)\
+  (++esp, make_mark_estack(esp, es_idx, proc))
+#define r_is_estack_mark(ep)\
+  r_has_type_attrs(ep, t_null, a_executable)
+#define estack_mark_index(ep) r_size(ep)
+#define set_estack_mark_index(ep, es_idx) r_set_size(ep, es_idx)
+
+/* Macro for pushing an operator on the execution stack */
+/* to represent a continuation procedure */
+#define make_op_estack(ep, proc)\
+  make_oper(ep, 0, proc)
+#define push_op_estack(proc)\
+  (++esp, make_op_estack(esp, proc))
+
+/* Macro to ensure enough room on the execution stack */
+#define check_estack(n)\
+  if ( esp > estop - (n) )\
+    { int es_code_ = ref_stack_extend(&e_stack, n);\
+      if ( es_code_ < 0 ) return es_code_;\
+    }
+
+/* Macro to ensure enough entries on the execution stack */
+#define check_esp(n)\
+  if ( esp < esbot + ((n) - 1) )\
+    { e_stack.requested = (n); return_error(e_ExecStackUnderflow); }
+
+/* Define the various kinds of execution stack marks. */
+#define es_other 0		/* internal use */
+#define es_show 1		/* show operators */
+#define es_for 2		/* iteration operators */
+#define es_stopped 3		/* stopped operator */
+
+/*
+ * Pop a given number of elements off the execution stack,
+ * executing cleanup procedures as necessary.
+ */
+void pop_estack(P1(uint));
+
+/*
+ * The execution stack is implemented as a linked list of blocks;
+ * operators that can push or pop an unbounded number of values, or that
+ * access the entire e-stack, must take this into account.  These are:
+ *      exit  .stop  .instopped  countexecstack  execstack  currentfile
+ *      .execn
+ *      pop_estack(exit, stop, error recovery)
+ *      gs_show_find(all the show operators)
+ * In addition, for e-stack entries created by control operators, we must
+ * ensure that the mark and its data are never separated.  We do this
+ * by ensuring that when splitting the top block, at least N items
+ * are kept in the new top block above the bottommost retained mark,
+ * where N is the largest number of data items associated with a mark.
+ * Finally, in order to avoid specific checks for underflowing a block,
+ * we put a guard entry at the bottom of each block except the top one
+ * that contains a procedure that returns an internal "exec stack block
+ * underflow" error.
+ */
+
+#endif /* estack_INCLUDED */
diff --git a/pstoraster/files.h b/pstoraster/files.h
new file mode 100644
index 000000000..bca695d4c
--- /dev/null
+++ b/pstoraster/files.h
@@ -0,0 +1,157 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires stream.h */
+
+#ifndef files_INCLUDED
+#  define files_INCLUDED
+
+/*
+ * File objects store a pointer to a stream in value.pfile.
+ * A file object is valid if its "size" matches the read_id or write_id
+ * (as appropriate) in the stream it points to.  This arrangement
+ * allows us to detect closed files reliably, while allowing us to
+ * reuse closed streams for new files.
+ */
+#define fptr(pref) (pref)->value.pfile
+#define make_file(pref,a,id,s)\
+  make_tasv(pref,t_file,a,id,pfile,s)
+
+/* The stdxxx files.  We have to access them through procedures, */
+/* because they might have to be opened when referenced. */
+int zget_stdin(P1(stream **));
+int zget_stdout(P1(stream **));
+int zget_stderr(P1(stream **));
+extern bool gs_stdin_is_interactive;
+
+/* Export the stdio refs for switching contexts. */
+extern ref ref_stdio[3];
+
+#define ref_stdin ref_stdio[0]
+#define ref_stdout ref_stdio[1]
+#define ref_stderr ref_stdio[2]
+/* An invalid (closed) file. */
+extern stream *invalid_file_entry;
+
+/*
+ * Macros for checking file validity.
+ * NOTE: in order to work around a bug in the Borland 5.0 compiler,
+ * you must use file_is_invalid rather than !file_is_valid.
+ */
+#define file_is_valid(svar,op)\
+  (svar = fptr(op), (svar->read_id | svar->write_id) == r_size(op))
+#define file_is_invalid(svar,op)\
+  (svar = fptr(op), (svar->read_id | svar->write_id) != r_size(op))
+#define check_file(svar,op)\
+  BEGIN\
+    check_type(*(op), t_file);\
+    if ( file_is_invalid(svar, op) ) return_error(e_invalidaccess);\
+  END
+
+/*
+ * If a file is open for both reading and writing, its read_id, write_id,
+ * and stream procedures and modes reflect the current mode of use;
+ * an id check failure will switch it to the other mode.
+ */
+int file_switch_to_read(P1(const ref *));
+
+#define check_read_file(svar,op)\
+  BEGIN\
+    check_read_type(*(op), t_file);\
+    check_read_known_file(svar, op, return);\
+  END
+#define check_read_known_file(svar,op,error_return)\
+  check_read_known_file_else(svar, op, error_return, svar = invalid_file_entry)
+/* The do... avoids problems with a possible enclosed 'if'. */
+#define check_read_known_file_else(svar,op,error_return,invalid_action)\
+  BEGIN\
+	svar = fptr(op);\
+	if ( svar->read_id != r_size(op) )\
+	{	if ( svar->read_id == 0 && svar->write_id == r_size(op) )\
+		{	int fcode = file_switch_to_read(op);\
+			if ( fcode < 0 ) error_return(fcode);\
+		}\
+		else BEGIN invalid_action; END;	/* closed or reopened file */\
+	}\
+  END
+int file_switch_to_write(P1(const ref *));
+
+#define check_write_file(svar,op)\
+  BEGIN\
+    check_write_type(*(op), t_file);\
+    check_write_known_file(svar, op, return);\
+  END
+#define check_write_known_file(svar,op,error_return)\
+  BEGIN\
+    svar = fptr(op);\
+    if ( svar->write_id != r_size(op) )\
+	{	int fcode = file_switch_to_write(op);\
+		if ( fcode < 0 ) error_return(fcode);\
+	}\
+  END
+
+/* Data exported by zfile.c. */
+	/* for zfilter.c and ziodev.c */
+extern const uint file_default_buffer_size;
+
+/* Procedures exported by zfile.c. */
+	/* for imainarg.c */
+FILE *lib_fopen(P1(const char *));
+
+	/* for imain.c */
+int lib_file_open(P6(const char *, uint, byte *, uint, uint *, ref *));
+
+	/* for iccinit.c */
+int file_read_string(P3(const byte *, uint, ref *));
+
+	/* for os_open in ziodev.c */
+#ifdef iodev_proc_fopen		/* in gxiodev.h */
+int file_open_stream(P6(const char *, uint, const char *, uint,
+			stream **, iodev_proc_fopen_t));
+
+#endif
+	/* for zfilter.c */
+int filter_open(P6(const char *, uint, ref *, const stream_procs *,
+		   const stream_template *, const stream_state *));
+
+	/* for zfileio.c */
+void make_stream_file(P3(ref *, stream *, const char *));
+
+	/* for ziodev.c */
+int file_close_finish(P1(stream *));
+int file_close_disable(P1(stream *));
+int file_close_file(P1(stream *));
+
+	/* for gsmain.c, interp.c */
+int file_close(P1(ref *));
+
+	/* for zfproc.c, ziodev.c */
+stream *file_alloc_stream(P2(gs_memory_t *, client_name_t));
+
+/* Procedures exported by zfileio.c. */
+	/* for ziodev.c */
+int zreadline_from(P5(stream *, byte *, uint, uint *, bool *));
+
+#endif /* files_INCLUDED */
diff --git a/pstoraster/fname.h b/pstoraster/fname.h
new file mode 100644
index 000000000..f6eeb8c73
--- /dev/null
+++ b/pstoraster/fname.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1993, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxiodev.h */
+
+#ifndef fname_INCLUDED
+#  define fname_INCLUDED
+
+/*
+ * Define a structure for representing a parsed file name, consisting of
+ * an IODevice name in %'s, a file name, or both.  Note that the file name
+ * may be either a gs_string (no terminator) or a C string (null terminator).
+ */
+typedef struct parsed_file_name_s {
+    gx_io_device *iodev;
+    const char *fname;
+    uint len;
+} parsed_file_name;
+
+/* Parse a file name into device and individual name. */
+int parse_file_name(P2(const ref *, parsed_file_name *));
+
+/* Parse a real (non-device) file name and convert to a C string. */
+int parse_real_file_name(P3(const ref *, parsed_file_name *, client_name_t));
+
+/* Convert a file name to a C string by adding a null terminator. */
+int terminate_file_name(P2(parsed_file_name *, client_name_t));
+
+/* Free a file name that was copied to a C string. */
+void free_file_name(P2(parsed_file_name *, client_name_t));
+
+#endif /* fname_INCLUDED */
diff --git a/pstoraster/gconf.h b/pstoraster/gconf.h
new file mode 100644
index 000000000..0317aa903
--- /dev/null
+++ b/pstoraster/gconf.h
@@ -0,0 +1,43 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Wrapper for gconfig.h or a substitute. */
+
+/*
+ * NOTA BENE: This file, unlike all other header files, must *not* have
+ * double-inclusion protection, since it is used in peculiar ways.
+ */
+
+/*
+ * Since not all C preprocessors implement #include with a non-quoted
+ * argument, we arrange things so that we can still compile with such
+ * compilers as long as GCONFIG_H isn't defined.
+ */
+
+#ifndef GCONFIG_H
+#  include "gconfig.h"
+#else
+#  include GCONFIG_H
+#endif
diff --git a/pstoraster/gconfig.c b/pstoraster/gconfig.c
new file mode 100644
index 000000000..71d5b106f
--- /dev/null
+++ b/pstoraster/gconfig.c
@@ -0,0 +1,127 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Configuration tables */
+#include "memory_.h"
+#include "gx.h"
+#include "gscdefs.h"		/* interface */
+#include "gconf.h"		/* for #defines */
+#include "gxdevice.h"
+#include "gxiodev.h"
+
+/*
+ * The makefile generates the file gconfig.h, which consists of
+ * lines of the form
+ *      device_(gs_xxx_device)
+ * or
+ *      device2_(gs_xxx_device)
+ * for each installed device;
+ *      emulator_("emulator", strlen("emulator"))
+ * for each known emulator;
+ *      init_(gs_xxx_init)
+ * for each initialization procedure;
+ *      io_device_(gs_iodev_xxx)
+ * for each known IODevice;
+ *      oper_(xxx_op_defs)
+ * for each operator option;
+ *      psfile_("gs_xxxx.ps", strlen("gs_xxxx.ps"))
+ * for each optional initialization file.
+ *
+ * We include this file multiple times to generate various different
+ * source structures.  (It's a hack, but we haven't come up with anything
+ * more satisfactory.)
+ */
+
+/* ---------------- Resources (devices, inits, IODevices) ---------------- */
+
+/* Declare devices, init procedures, and IODevices as extern. */
+#define device_(dev) extern far_data gx_device dev;
+#define device2_(dev) extern const gx_device dev;
+#define init_(proc) extern void proc(P1(gs_memory_t *));
+#define io_device_(iodev) extern const gx_io_device iodev;
+#include "gconf.h"
+#undef init_
+#undef io_device_
+#undef device2_
+#undef device_
+
+/* Set up the initialization procedure table. */
+extern_gx_init_table();
+private void gconf_init(P1(gs_memory_t *));
+#define init_(proc) proc,
+const gx_init_proc gx_init_table[] = {
+#include "gconf.h"
+    gconf_init,
+    0
+};
+#undef init_
+
+/* Set up the IODevice table.  The first entry must be %os%, */
+/* since it is the default for files with no explicit device specified. */
+extern_gx_io_device_table();
+extern gx_io_device gs_iodev_os;
+#define io_device_(iodev) &iodev,
+const gx_io_device *const gx_io_device_table[] = {
+    &gs_iodev_os,
+#include "gconf.h"
+    0
+};
+#undef io_device_
+const uint gx_io_device_table_count = countof(gx_io_device_table) - 1;
+
+/* Set up the device table. */
+#define device_(dev) (const gx_device *)&dev,
+#define device2_(dev) &dev,
+private const gx_device *const gx_device_list[] = {
+#include "gconf.h"
+	 0
+};
+#undef device2_
+#undef device_
+
+/* Allocate and initialize structure descriptors for the devices. */
+private gs_memory_struct_type_t gx_device_st_list[countof(gx_device_list) - 1];
+private void
+gconf_init(gs_memory_t *mem)
+{
+    int i;
+
+    for (i = 0; i < countof(gx_device_list) - 1; ++i)
+	gx_device_make_struct_type(&gx_device_st_list[i], gx_device_list[i]);
+}
+
+/* Return the list of device prototypes, the list of their structure */
+/* descriptors, and (as the value) the length of the lists. */
+extern_gs_lib_device_list();
+int
+gs_lib_device_list(const gx_device * const **plist,
+		   gs_memory_struct_type_t ** pst)
+{
+    if (plist != 0)
+	*plist = gx_device_list;
+    if (pst != 0)
+	*pst = gx_device_st_list;
+    return countof(gx_device_list) - 1;
+}
diff --git a/pstoraster/gconfig.h b/pstoraster/gconfig.h
new file mode 100644
index 000000000..51ef7fa9c
--- /dev/null
+++ b/pstoraster/gconfig.h
@@ -0,0 +1,243 @@
+/*
+ * "$Id$"
+ *
+ *   GNU GhostScript configuration file for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   This file is normally generated by a lot of echogs and genconf
+ *   commands...
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#include <config.h>
+
+#ifdef device2_
+device2_(gs_cups_device)
+device2_(gs_bbox_device)
+/*device2_(gs_nullpage_device)*/
+#endif
+#ifdef oper_
+oper_(zchar1_op_defs)
+oper_(zfont1_op_defs)
+oper_(zmisc1_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_type1.ps",11)
+#endif
+#ifdef oper_
+oper_(zvmem2_op_defs)
+oper_(zdps1_l2_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_dps1.ps",10)
+#endif
+#ifdef oper_
+oper_(zusparam_op_defs)
+oper_(zmisc2_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_lev2.ps",10)
+psfile_("gs_res.ps",9)
+#endif
+#ifdef oper_
+oper_(zchar42_op_defs)
+oper_(zfont42_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_typ42.ps",11)
+psfile_("gs_cidfn.ps",11)
+#endif
+#ifdef oper_
+oper_(zcid_op_defs)
+oper_(zcie_l2_op_defs)
+oper_(zcrd_l2_op_defs)
+oper_(zfcmap_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_cmap.ps",10)
+#endif
+#ifdef oper_
+oper_(zcfont_op_defs)
+oper_(zfont0_op_defs)
+#  ifdef HAVE_LIBJPEG
+oper_(zfdcte_op_defs)
+oper_(zfdctd_op_defs)
+#  endif /* HAVE_LIBJPEG */
+oper_(zbseq_l2_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_btokn.ps",11)
+#endif
+#ifdef init_
+init_(gs_gxicolor_init)
+#endif
+#ifdef oper_
+oper_(zcolor1_op_defs)
+oper_(zht1_op_defs)
+oper_(zupath_l2_op_defs)
+oper_(ireclaim_l2_op_defs)
+oper_(zchar2_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_dps2.ps",10)
+#endif
+#ifdef oper_
+oper_(zfdecode_op_defs)
+oper_(zfilter2_op_defs)
+oper_(ziodev2_l2_op_defs)
+#endif
+#ifdef io_device_
+io_device_(gs_iodev_null)
+io_device_(gs_iodev_ram)
+io_device_(gs_iodev_calendar)
+#endif
+#ifdef oper_
+oper_(zdevice2_l2_op_defs)
+oper_(zmedia2_l2_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_setpd.ps",11)
+#endif
+#ifdef oper_
+oper_(zpcolor_l2_op_defs)
+oper_(zarith_op_defs)
+oper_(zarray_op_defs)
+oper_(zcontrol_op_defs)
+oper_(zdict_op_defs)
+oper_(zfile_op_defs)
+oper_(zfileio_op_defs)
+oper_(zfilter_op_defs)
+oper_(zfproc_op_defs)
+oper_(zgeneric_op_defs)
+oper_(ziodev_op_defs)
+oper_(zmath_op_defs)
+oper_(zmisc_op_defs)
+oper_(zpacked_op_defs)
+oper_(zrelbit_op_defs)
+oper_(zstack_op_defs)
+oper_(zstring_op_defs)
+oper_(zsysvm_op_defs)
+oper_(ztoken_op_defs)
+oper_(ztype_op_defs)
+oper_(zvmem_op_defs)
+oper_(zchar_op_defs)
+oper_(zcolor_op_defs)
+oper_(zdevice_op_defs)
+oper_(zfont_op_defs)
+oper_(zfont2_op_defs)
+oper_(zgstate_op_defs)
+oper_(zht_op_defs)
+oper_(zimage_op_defs)
+oper_(zmatrix_op_defs)
+oper_(zpaint_op_defs)
+oper_(zpath_op_defs)
+#endif
+#ifdef io_device_
+io_device_(gs_iodev_stdin)
+io_device_(gs_iodev_stdout)
+io_device_(gs_iodev_stderr)
+io_device_(gs_iodev_lineedit)
+io_device_(gs_iodev_statementedit)
+#endif
+#ifdef oper_
+oper_(zfbcp_op_defs)
+oper_(zhsb_op_defs)
+oper_(zpath1_op_defs)
+#endif
+#ifdef init_
+init_(gs_gstype1_init)
+#endif
+#ifdef emulator_
+emulator_("PostScript",10)
+emulator_("PostScriptLevel1",16)
+#endif
+#ifdef init_
+init_(gs_gxi12bit_init)
+init_(gs_gxiscale_init)
+#endif
+#ifdef oper_
+oper_(zcolor2_l2_op_defs)
+oper_(zcsindex_l2_op_defs)
+oper_(zht2_l2_op_defs)
+oper_(zimage2_l2_op_defs)
+oper_(zcssepr_l2_op_defs)
+oper_(zchar32_op_defs)
+oper_(zfont32_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_typ32.ps",11)
+#endif
+#ifdef oper_
+oper_(zfilterx_op_defs)
+#endif
+#ifdef emulator_
+emulator_("PostScriptLevel2",16)
+#endif
+#ifdef oper_
+oper_(zcspixel_op_defs)
+oper_(zfunc_op_defs)
+oper_(zfunc0_op_defs)
+oper_(zcsdevn_op_defs)
+oper_(zfreuse_op_defs)
+oper_(zfunc3_op_defs)
+oper_(zimage3_op_defs)
+oper_(zmisc3_op_defs)
+oper_(zshade_op_defs)
+oper_(ztrap_op_defs)
+#endif
+#ifdef psfile_
+psfile_("gs_ll3.ps",9)
+#endif
+#ifdef oper_
+#  ifdef HAVE_LIBZ
+oper_(zfzlib_op_defs)
+#  endif /* HAVE_LIBZ */
+#endif
+#ifdef psfile_
+psfile_("gs_mex_e.ps",11)
+psfile_("gs_mro_e.ps",11)
+psfile_("gs_wan_e.ps",11)
+psfile_("gs_cff.ps",9)
+psfile_("gs_ttf.ps",9)
+#endif
+#ifdef init_
+init_(gs_gstype2_init)
+#endif
+#ifdef io_device_
+io_device_(gs_iodev_pipe)
+#endif
+#ifdef psfile_
+psfile_("gs_epsf.ps",10)
+#endif
+#ifdef init_
+#  ifdef HAVE_LIBZ
+init_(gs_cl_zlib_init)
+#  endif /* HAVE_LIBZ */
+init_(gs_gshtscr_init)
+init_(gs_gsutil_init)
+init_(gs_gxcht_init)
+init_(gs_gxifast_init)
+init_(gs_gximono_init)
+#endif
+#define SEARCH_HERE_FIRST 1
+
+/*
+ * End of "$Id$".
+ */
diff --git a/pstoraster/gconfig_.h b/pstoraster/gconfig_.h
new file mode 100644
index 000000000..518b79020
--- /dev/null
+++ b/pstoraster/gconfig_.h
@@ -0,0 +1,5 @@
+/* This file was generated automatically. */
+#define HAVE_DIRENT_H
+#define HAVE_SYS_DIR_H
+#define HAVE_SYS_TIME_H
+#define HAVE_SYS_TIMES_H
diff --git a/pstoraster/gconfigv.h b/pstoraster/gconfigv.h
new file mode 100644
index 000000000..a9ae98b88
--- /dev/null
+++ b/pstoraster/gconfigv.h
@@ -0,0 +1,4 @@
+#define USE_ASM (-0)
+#define USE_FPU (1-0)
+#define EXTEND_NAMES 0
+#define SYSTEM_CONSTANTS_ARE_WRITABLE 0
diff --git a/pstoraster/gdebug.h b/pstoraster/gdebug.h
new file mode 100644
index 000000000..9b1480248
--- /dev/null
+++ b/pstoraster/gdebug.h
@@ -0,0 +1,132 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Debugging machinery definitions */
+
+#ifndef gdebug_INCLUDED
+#  define gdebug_INCLUDED
+
+/*
+ * The compile-time DEBUG symbol determines whether debugging/tracing
+ * code is included in the compiled code.  DEBUG may be set or not set
+ * independently for every compilation; however, a small amount of support
+ * machinery in gsmisc.c is always included in the executable, just
+ * in case *some* file was compiled with DEBUG set.
+ *
+ * When DEBUG is set, it does not cause debugging/tracing printout to occur.
+ * Rather, it includes code that produces such printout *if* (a) given
+ * one(s) of 128 debugging flags is set.  In this way, one can selectively
+ * turn printout on and off during debugging.  (In fact, we even provide a
+ * PostScript operator, .setdebug, that does this.)
+ *
+ * The debugging flags are normally indexed by character code.  This is more
+ * than a convention: gs_debug_c, which tests whether a given flag is set,
+ * considers that if a flag named by a given upper-case letter is set, the
+ * flag named by the corresponding lower-case letter is also set.
+ *
+ * If the output selected by a given flag can be printed by a single
+ * printf, the conventional way to produce the output is
+ *      if_debugN('x', "...format...", v1, ..., vN);
+ * Usually the flag appears in the output explicitly:
+ *      if_debugN('x', "[x]...format...", v1, ..., vN);
+ * If the output is more complex, the conventional way to produce the
+ * output is
+ *      if ( gs_debug_c('x') ) {
+ *        ... start each line with dlprintfN(...)
+ *        ... produce additional output within a line with dprintfN(...)
+ * } */
+
+/* Define the array of debugging flags, indexed by character code. */
+extern char gs_debug[128];
+bool gs_debug_c(P1(int /*char */ ));
+
+/*
+ * Define an alias for a specialized debugging flag
+ * that used to be a separate variable.
+ */
+#define gs_log_errors gs_debug['#']
+
+/* If debugging, direct all error output to gs_debug_out. */
+extern FILE *gs_debug_out;
+
+#ifdef DEBUG
+#undef dstderr
+#define dstderr gs_debug_out
+#undef estderr
+#define estderr gs_debug_out
+#endif
+
+/* Debugging printout macros. */
+#ifdef DEBUG
+#  define if_debug0(c,s)\
+    BEGIN if (gs_debug_c(c)) dlprintf(s); END
+#  define if_debug1(c,s,a1)\
+    BEGIN if (gs_debug_c(c)) dlprintf1(s,a1); END
+#  define if_debug2(c,s,a1,a2)\
+    BEGIN if (gs_debug_c(c)) dlprintf2(s,a1,a2); END
+#  define if_debug3(c,s,a1,a2,a3)\
+    BEGIN if (gs_debug_c(c)) dlprintf3(s,a1,a2,a3); END
+#  define if_debug4(c,s,a1,a2,a3,a4)\
+    BEGIN if (gs_debug_c(c)) dlprintf4(s,a1,a2,a3,a4); END
+#  define if_debug5(c,s,a1,a2,a3,a4,a5)\
+    BEGIN if (gs_debug_c(c)) dlprintf5(s,a1,a2,a3,a4,a5); END
+#  define if_debug6(c,s,a1,a2,a3,a4,a5,a6)\
+    BEGIN if (gs_debug_c(c)) dlprintf6(s,a1,a2,a3,a4,a5,a6); END
+#  define if_debug7(c,s,a1,a2,a3,a4,a5,a6,a7)\
+    BEGIN if (gs_debug_c(c)) dlprintf7(s,a1,a2,a3,a4,a5,a6,a7); END
+#  define if_debug8(c,s,a1,a2,a3,a4,a5,a6,a7,a8)\
+    BEGIN if (gs_debug_c(c)) dlprintf8(s,a1,a2,a3,a4,a5,a6,a7,a8); END
+#  define if_debug9(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9)\
+    BEGIN if (gs_debug_c(c)) dlprintf9(s,a1,a2,a3,a4,a5,a6,a7,a8,a9); END
+#  define if_debug10(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10)\
+    BEGIN if (gs_debug_c(c)) dlprintf10(s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10); END
+#  define if_debug11(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11)\
+    BEGIN if (gs_debug_c(c)) dlprintf11(s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11); END
+#  define if_debug12(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12)\
+    BEGIN if (gs_debug_c(c)) dlprintf12(s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12); END
+#else
+#  define if_debug0(c,s) DO_NOTHING
+#  define if_debug1(c,s,a1) DO_NOTHING
+#  define if_debug2(c,s,a1,a2) DO_NOTHING
+#  define if_debug3(c,s,a1,a2,a3) DO_NOTHING
+#  define if_debug4(c,s,a1,a2,a3,a4) DO_NOTHING
+#  define if_debug5(c,s,a1,a2,a3,a4,a5) DO_NOTHING
+#  define if_debug6(c,s,a1,a2,a3,a4,a5,a6) DO_NOTHING
+#  define if_debug7(c,s,a1,a2,a3,a4,a5,a6,a7) DO_NOTHING
+#  define if_debug8(c,s,a1,a2,a3,a4,a5,a6,a7,a8) DO_NOTHING
+#  define if_debug9(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9) DO_NOTHING
+#  define if_debug10(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) DO_NOTHING
+#  define if_debug11(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) DO_NOTHING
+#  define if_debug12(c,s,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12) DO_NOTHING
+#endif
+
+/* Debugging support procedures in gsmisc.c */
+void debug_dump_bytes(P3(const byte * from, const byte * to,
+			 const char *msg));
+void debug_dump_bitmap(P4(const byte * from, uint raster, uint height,
+			  const char *msg));
+void debug_print_string(P2(const byte * str, uint len));
+
+#endif /* gdebug_INCLUDED */
diff --git a/pstoraster/gdev8bcm.h b/pstoraster/gdev8bcm.h
new file mode 100644
index 000000000..f9f678114
--- /dev/null
+++ b/pstoraster/gdev8bcm.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h (for gx_color_value) */
+
+#ifndef gdev8bcm_INCLUDED
+#  define gdev8bcm_INCLUDED
+
+/*
+ * The MS-DOS, MS Windows, and X Windows drivers all use (at least on
+ * some platforms) an 8-bit color map in which some fraction is reserved
+ * for a pre-allocated cube and some or all of the remainder is
+ * allocated dynamically.  Since looking up colors in this map can be
+ * a major performance bottleneck, we provide an efficient implementation
+ * that can be shared among drivers.
+ *
+ * As a performance compromise, we only look up the top 5 bits of the
+ * RGB value in the color map.  This compromises color quality very little,
+ * and allows substantial optimizations.
+ */
+
+#define gx_8bit_map_size 323
+#define gx_8bit_map_spreader 123	/* approx. 323 - (1.618 * 323) */
+typedef struct gx_8bit_map_entry_s {
+    ushort rgb;			/* key = 0rrrrrgggggbbbbb */
+#define gx_8bit_no_rgb ((ushort)0xffff)
+#define gx_8bit_rgb_key(r, g, b)\
+  (((r >> (gx_color_value_bits - 5)) << 10) +\
+   ((g >> (gx_color_value_bits - 5)) << 5) +\
+   (b >> (gx_color_value_bits - 5)))
+    short index;		/* value */
+} gx_8bit_map_entry;
+typedef struct gx_8bit_color_map_s {
+    int count;			/* # of occupied entries */
+    int max_count;		/* max # of occupied entries */
+    gx_8bit_map_entry map[gx_8bit_map_size + 1];
+} gx_8bit_color_map;
+
+/* Initialize an 8-bit color map. */
+void gx_8bit_map_init(P2(gx_8bit_color_map *, int));
+
+/* Look up a color in an 8-bit color map. */
+/* Return -1 if not found. */
+int gx_8bit_map_rgb_color(P4(const gx_8bit_color_map *, gx_color_value,
+			     gx_color_value, gx_color_value));
+
+/* Test whether an 8-bit color map has room for more entries. */
+#define gx_8bit_map_is_full(pcm)\
+  ((pcm)->count == (pcm)->max_count)
+
+/* Add a color to an 8-bit color map. */
+/* Return -1 if the map is full. */
+int gx_8bit_add_rgb_color(P4(gx_8bit_color_map *, gx_color_value,
+			     gx_color_value, gx_color_value));
+
+#endif /* gdev8bcm_INCLUDED */
diff --git a/pstoraster/gdevabuf.c b/pstoraster/gdevabuf.c
new file mode 100644
index 000000000..991584c04
--- /dev/null
+++ b/pstoraster/gdevabuf.c
@@ -0,0 +1,404 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Alpha-buffering memory devices */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+/* ================ Alpha devices ================ */
+
+/*
+ * These devices store 2 or 4 bits of alpha.  They are a hybrid of a
+ * monobit device (for color mapping) and a 2- or 4-bit device (for painting).
+ * Currently, we only use them for character rasterizing, but they might be
+ * useful for other things someday.
+ */
+
+/* We can't initialize the device descriptor statically very well, */
+/* so we patch up the image2 or image4 descriptor. */
+private dev_proc_map_rgb_color(mem_alpha_map_rgb_color);
+private dev_proc_map_color_rgb(mem_alpha_map_color_rgb);
+private dev_proc_map_rgb_alpha_color(mem_alpha_map_rgb_alpha_color);
+private dev_proc_get_alpha_bits(mem_alpha_get_alpha_bits);
+private dev_proc_copy_alpha(mem_alpha_copy_alpha);
+
+void
+gs_make_mem_alpha_device(gx_device_memory * adev, gs_memory_t * mem,
+			 gx_device * target, int alpha_bits)
+{
+    gs_make_mem_device(adev, gdev_mem_device_for_bits(alpha_bits),
+		       mem, 0, target);
+    /* This is a black-and-white device ... */
+    adev->color_info = gdev_mem_device_for_bits(1)->color_info;
+    /* ... but it has multiple bits per pixel ... */
+    adev->color_info.depth = alpha_bits;
+    /* ... and different color mapping. */
+    set_dev_proc(adev, map_rgb_color, mem_alpha_map_rgb_color);
+    set_dev_proc(adev, map_color_rgb, mem_alpha_map_color_rgb);
+    set_dev_proc(adev, map_rgb_alpha_color, mem_alpha_map_rgb_alpha_color);
+    set_dev_proc(adev, get_alpha_bits, mem_alpha_get_alpha_bits);
+    set_dev_proc(adev, copy_alpha, mem_alpha_copy_alpha);
+}
+
+/* Reimplement color mapping. */
+private gx_color_index
+mem_alpha_map_rgb_color(gx_device * dev, gx_color_value r, gx_color_value g,
+			gx_color_value b)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    gx_color_index color = gx_forward_map_rgb_color(dev, r, g, b);
+
+    return (color == 0 || color == gx_no_color_index ? color :
+	    (gx_color_index) ((1 << mdev->log2_alpha_bits) - 1));
+}
+private int
+mem_alpha_map_color_rgb(gx_device * dev, gx_color_index color,
+			gx_color_value prgb[3])
+{
+    return
+	gx_forward_map_color_rgb(dev,
+				 (color == 0 ? color : (gx_color_index) 1),
+				 prgb);
+}
+private gx_color_index
+mem_alpha_map_rgb_alpha_color(gx_device * dev, gx_color_value r,
+		   gx_color_value g, gx_color_value b, gx_color_value alpha)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    gx_color_index color = gx_forward_map_rgb_color(dev, r, g, b);
+
+    return (color == 0 || color == gx_no_color_index ? color :
+	    (gx_color_index) (alpha >> (gx_color_value_bits -
+					mdev->log2_alpha_bits)));
+}
+private int
+mem_alpha_get_alpha_bits(gx_device * dev, graphics_object_type type)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    return 1 << mdev->log2_alpha_bits;
+}
+/* Implement alpha copying. */
+private int
+mem_alpha_copy_alpha(gx_device * dev, const byte * data, int data_x,
+	   int raster, gx_bitmap_id id, int x, int y, int width, int height,
+		     gx_color_index color, int depth)
+{				/* Just use copy_color. */
+    return (color == 0 ?
+	    (*dev_proc(dev, fill_rectangle)) (dev, x, y, width, height,
+					      color) :
+	    (*dev_proc(dev, copy_color)) (dev, data, data_x, raster, id,
+					  x, y, width, height));
+}
+
+/* ================ Alpha-buffer device ================ */
+
+/*
+ * This device converts graphics sampled at a higher resolution to
+ * alpha values at a lower resolution.  It does this by accumulating
+ * the bits of a band and then converting the band to alphas.
+ * In order to make this work, the client of the device must promise
+ * only to visit each band at most once, except possibly for a single
+ * scan line overlapping the adjacent band, and must promise only to write
+ * a single color into the output.  In particular, this works
+ * within a single call on gx_fill_path (if the fill loop is constrained
+ * to process bands of limited height on each pass) or a single masked image
+ * scanned in Y order, but not across such calls and not for other
+ * kinds of painting operations.
+ *
+ * We implement this device as a subclass of a monobit memory device.
+ * (We put its state in the definition of gx_device_memory just because
+ * actual subclassing introduces a lot of needless boilerplate.)
+ * We only allocate enough bits for one band.  The height of the band
+ * must be a multiple of the Y scale factor; the minimum height
+ * of the band is twice the Y scale factor.
+ *
+ * The bits in storage are actually a sliding window on the true
+ * oversampled image.  To avoid having to copy the bits around when we
+ * move the window, we adjust the mapping between the client's Y values
+ * and our own, as follows:
+ *      Client          Stored
+ *      ------          ------
+ *      y0..y0+m-1      n-m..n-1
+ *      y0+m..y0+n-1    0..n-m-1
+ * where n and m are multiples of the Y scale factor and 0 <= m <= n <=
+ * the height of the band.  (In the device structure, m is called
+ * mapped_start and n is called mapped_height.)  This allows us to slide
+ * the window incrementally in either direction without copying any bits.
+ */
+
+/* Procedures */
+private dev_proc_close_device(mem_abuf_close);
+private dev_proc_copy_mono(mem_abuf_copy_mono);
+private dev_proc_fill_rectangle(mem_abuf_fill_rectangle);
+private dev_proc_get_clipping_box(mem_abuf_get_clipping_box);
+
+/* The device descriptor. */
+private const gx_device_memory mem_alpha_buffer_device =
+mem_device("image(alpha buffer)", 0, 1,
+	   gx_forward_map_rgb_color, gx_forward_map_color_rgb,
+	 mem_abuf_copy_mono, gx_default_copy_color, mem_abuf_fill_rectangle,
+	   gx_no_strip_copy_rop);
+
+/* Make an alpha-buffer memory device. */
+/* We use abuf instead of alpha_buffer because */
+/* gcc under VMS only retains 23 characters of procedure names. */
+void
+gs_make_mem_abuf_device(gx_device_memory * adev, gs_memory_t * mem,
+		     gx_device * target, const gs_log2_scale_point * pscale,
+			int alpha_bits, int mapped_x)
+{
+    gs_make_mem_device(adev, &mem_alpha_buffer_device, mem, 0, target);
+    adev->max_fill_band = 1 << pscale->y;
+    adev->log2_scale = *pscale;
+    adev->log2_alpha_bits = alpha_bits >> 1;	/* works for 1,2,4 */
+    adev->mapped_x = mapped_x;
+    set_dev_proc(adev, close_device, mem_abuf_close);
+    set_dev_proc(adev, get_clipping_box, mem_abuf_get_clipping_box);
+}
+
+/* Test whether a device is an alpha-buffering device. */
+bool
+gs_device_is_abuf(const gx_device * dev)
+{				/* We can't just compare the procs, or even an individual proc, */
+    /* because we might be tracing.  Instead, check the identity of */
+    /* the device name. */
+    return dev->dname == mem_alpha_buffer_device.dname;
+}
+
+/* Internal routine to flush a block of the buffer. */
+/* A block is a group of scan lines whose initial Y is a multiple */
+/* of the Y scale and whose height is equal to the Y scale. */
+private int
+abuf_flush_block(gx_device_memory * adev, int y)
+{
+    gx_device *target = adev->target;
+    int block_height = 1 << adev->log2_scale.y;
+    int alpha_bits = 1 << adev->log2_alpha_bits;
+    int ddepth =
+    (adev->width >> adev->log2_scale.x) << adev->log2_alpha_bits;
+    uint draster = bitmap_raster(ddepth);
+    int buffer_y = y - adev->mapped_y + adev->mapped_start;
+    byte *bits;
+
+    if (buffer_y >= adev->height)
+	buffer_y -= adev->height;
+    bits = scan_line_base(adev, buffer_y);
+    {				/*
+				 * Many bits are typically zero.  Save time by computing
+				 * an accurate X bounding box before compressing.
+				 * Unfortunately, in order to deal with alpha nibble swapping
+				 * (see gsbitops.c), we can't expand the box only to pixel
+				 * boundaries:
+				 int alpha_mask = -1 << adev->log2_alpha_bits;
+				 * Instead, we must expand it to byte boundaries,
+				 */
+	int alpha_mask = ~7;
+	gs_int_rect bbox;
+	int width;
+
+	bits_bounding_box(bits, block_height, adev->raster, &bbox);
+	bbox.p.x &= alpha_mask;
+	bbox.q.x = (bbox.q.x + ~alpha_mask) & alpha_mask;
+	width = bbox.q.x - bbox.p.x;
+	bits_compress_scaled(bits, bbox.p.x, width, block_height,
+			     adev->raster, bits, draster, &adev->log2_scale,
+			     adev->log2_alpha_bits);
+	return (*dev_proc(target, copy_alpha)) (target,
+					  bits, 0, draster, gx_no_bitmap_id,
+					      (adev->mapped_x + bbox.p.x) >>
+						adev->log2_scale.x,
+						y >> adev->log2_scale.y,
+					     width >> adev->log2_scale.x, 1,
+					      adev->save_color, alpha_bits);
+    }
+}
+/* Flush the entire buffer. */
+private int
+abuf_flush(gx_device_memory * adev)
+{
+    int y, code = 0;
+    int block_height = 1 << adev->log2_scale.y;
+
+    for (y = 0; y < adev->mapped_height; y += block_height)
+	if ((code = abuf_flush_block(adev, adev->mapped_y + y)) < 0)
+	    return code;
+    adev->mapped_height = adev->mapped_start = 0;
+    return 0;
+}
+
+/* Close the device, flushing the buffer. */
+private int
+mem_abuf_close(gx_device * dev)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    int code = abuf_flush(mdev);
+
+    if (code < 0)
+	return code;
+    return mem_close(dev);
+}
+
+/*
+ * Framework for mapping a requested imaging operation to the buffer.
+ * For now, we assume top-to-bottom transfers and use a very simple algorithm.
+ */
+typedef struct y_transfer_s {
+    int y_next;
+    int height_left;
+    int transfer_y;
+    int transfer_height;
+} y_transfer;
+private void near
+y_transfer_init(y_transfer * pyt, gx_device * dev, int ty, int th)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    int bh = 1 << mdev->log2_scale.y;
+
+    if (ty < mdev->mapped_y || ty > mdev->mapped_y + mdev->mapped_height) {
+	abuf_flush(mdev);
+	mdev->mapped_y = ty & -bh;
+	mdev->mapped_height = bh;
+	memset(scan_line_base(mdev, 0), 0, bh * mdev->raster);
+    }
+    pyt->y_next = ty;
+    pyt->height_left = th;
+    pyt->transfer_height = 0;
+}
+/* while ( yt.height_left > 0 ) { y_transfer_next(&yt, mdev); ... } */
+private void near
+y_transfer_next(y_transfer * pyt, gx_device * dev)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    int my = mdev->mapped_y, mh = mdev->mapped_height;
+    int ms = mdev->mapped_start;
+    int ty = pyt->y_next += pyt->transfer_height;
+    int th = pyt->height_left;
+    int bh = 1 << mdev->log2_scale.y;
+
+    /* From here on, we know that my <= ty <= my + mh. */
+    int tby, tbh;
+
+    if (ty == my + mh) {	/* Add a new block at my1. */
+	if (mh == mdev->height) {
+	    abuf_flush_block(mdev, my);
+	    mdev->mapped_y = my += bh;
+	    if ((mdev->mapped_start = ms += bh) == mh)
+		mdev->mapped_start = ms = 0;
+	} else {		/* Because we currently never extend backwards, */
+	    /* we know we can't wrap around in this case. */
+	    mdev->mapped_height = mh += bh;
+	}
+	memset(scan_line_base(mdev, (ms == 0 ? mh : ms) - bh),
+	       0, bh * mdev->raster);
+    }
+    /* Now we know that my <= ty < my + mh. */
+    tby = ty - my + ms;
+    if (tby < mdev->height) {
+	tbh = mdev->height - ms;
+	if (tbh > mh)
+	    tbh = mh;
+	tbh -= tby - ms;
+    } else {			/* wrap around */
+	tby -= mdev->height;
+	tbh = ms + mh - dev->height - tby;
+    }
+    if_debug7('v', "[v]my=%d, mh=%d, ms=%d, ty=%d, th=%d, tby=%d, tbh=%d\n",
+	      my, mh, ms, ty, th, tby, tbh);
+    if (tbh > th)
+	tbh = th;
+    pyt->height_left = th - tbh;
+    pyt->transfer_y = tby;
+    pyt->transfer_height = tbh;
+}
+
+/* Copy a monobit image. */
+private int
+mem_abuf_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    y_transfer yt;
+
+    if (zero != gx_no_color_index || one == gx_no_color_index)
+	return_error(gs_error_undefinedresult);
+    x -= mdev->mapped_x;
+    fit_copy_xyw(dev, base, sourcex, sraster, id, x, y, w, h);	/* don't limit h */
+    if (w <= 0 || h <= 0)
+	return 0;
+    mdev->save_color = one;
+    y_transfer_init(&yt, dev, y, h);
+    while (yt.height_left > 0) {
+	y_transfer_next(&yt, dev);
+	(*dev_proc(&mem_mono_device, copy_mono)) (dev,
+					   base + (yt.y_next - y) * sraster,
+					  sourcex, sraster, gx_no_bitmap_id,
+				    x, yt.transfer_y, w, yt.transfer_height,
+				     gx_no_color_index, (gx_color_index) 1);
+    }
+    return 0;
+}
+
+/* Fill a rectangle. */
+private int
+mem_abuf_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    y_transfer yt;
+
+    x -= mdev->mapped_x;
+    fit_fill_xy(dev, x, y, w, h);
+    fit_fill_w(dev, x, w);	/* don't limit h */
+    /* or check w <= 0, h <= 0 */
+    mdev->save_color = color;
+    y_transfer_init(&yt, dev, y, h);
+    while (yt.height_left > 0) {
+	y_transfer_next(&yt, dev);
+	(*dev_proc(&mem_mono_device, fill_rectangle)) (dev,
+				    x, yt.transfer_y, w, yt.transfer_height,
+						       (gx_color_index) 1);
+    }
+    return 0;
+}
+
+/* Get the clipping box.  We must scale this up by the number of alpha bits. */
+private void
+mem_abuf_get_clipping_box(gx_device * dev, gs_fixed_rect * pbox)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    gx_device *tdev = mdev->target;
+
+    (*dev_proc(tdev, get_clipping_box)) (tdev, pbox);
+    pbox->p.x <<= mdev->log2_scale.x;
+    pbox->p.y <<= mdev->log2_scale.y;
+    pbox->q.x <<= mdev->log2_scale.x;
+    pbox->q.y <<= mdev->log2_scale.y;
+}
diff --git a/pstoraster/gdevbbox.c b/pstoraster/gdevbbox.c
new file mode 100644
index 000000000..5641b3675
--- /dev/null
+++ b/pstoraster/gdevbbox.c
@@ -0,0 +1,1069 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Device for tracking bounding box */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsparam.h"
+#include "gxdevice.h"
+#include "gsdevice.h"		/* requires gsmatrix.h */
+#include "gdevbbox.h"
+#include "gxdcolor.h"		/* for gx_device_black/white */
+#include "gxiparam.h"		/* for image source size */
+#include "gxistate.h"
+#include "gxpaint.h"
+#include "gxpath.h"
+#include "gxcpath.h"
+
+/* GC descriptor */
+public_st_device_bbox();
+
+/* Device procedures */
+private dev_proc_open_device(bbox_open_device);
+private dev_proc_close_device(bbox_close_device);
+private dev_proc_output_page(bbox_output_page);
+private dev_proc_fill_rectangle(bbox_fill_rectangle);
+private dev_proc_copy_mono(bbox_copy_mono);
+private dev_proc_copy_color(bbox_copy_color);
+private dev_proc_get_params(bbox_get_params);
+private dev_proc_put_params(bbox_put_params);
+private dev_proc_copy_alpha(bbox_copy_alpha);
+private dev_proc_fill_path(bbox_fill_path);
+private dev_proc_stroke_path(bbox_stroke_path);
+private dev_proc_fill_mask(bbox_fill_mask);
+private dev_proc_fill_trapezoid(bbox_fill_trapezoid);
+private dev_proc_fill_parallelogram(bbox_fill_parallelogram);
+private dev_proc_fill_triangle(bbox_fill_triangle);
+private dev_proc_draw_thin_line(bbox_draw_thin_line);
+private dev_proc_strip_tile_rectangle(bbox_strip_tile_rectangle);
+private dev_proc_strip_copy_rop(bbox_strip_copy_rop);
+private dev_proc_begin_typed_image(bbox_begin_typed_image);
+private dev_proc_create_compositor(bbox_create_compositor);
+private dev_proc_text_begin(bbox_text_begin);
+
+/* The device prototype */
+/*
+ * Normally this would be private, but if the device is going to be used
+ * stand-alone, it has to be public.
+ */
+/*private */ const
+/*
+ * The bbox device sets the resolution to some value R (currently 4000), and
+ * the page size in device pixels to slightly smaller than the largest
+ * representable values (around 500K), leaving a little room for stroke
+ * widths, rounding, etc.  If an input file (or the command line) resets the
+ * resolution to a value R' > R, the page size in pixels will get multiplied
+ * by R'/R, and will thereby exceed the representable range, causing a
+ * limitcheck.  That is why the bbox device must set the resolution to a
+ * value larger than that of any real device.  A consequence of this is that
+ * the page size in inches is limited to the maximum representable pixel
+ * size divided by R, which gives a limit of about 120" in each dimension.
+ */
+#define max_coord (max_int_in_fixed - 1000)
+#define max_resolution 4000
+gx_device_bbox far_data gs_bbox_device =
+{
+    std_device_std_body(gx_device_bbox, 0, "bbox",
+			max_coord, max_coord,
+			max_resolution, max_resolution),
+    {bbox_open_device,
+     NULL,			/* get_initial_matrix */
+     NULL,			/* sync_output */
+     bbox_output_page,
+     bbox_close_device,
+     NULL,			/* map_rgb_color */
+     NULL,			/* map_color_rgb */
+     bbox_fill_rectangle,
+     NULL,			/* tile_rectangle */
+     bbox_copy_mono,
+     bbox_copy_color,
+     NULL,			/* draw_line */
+     NULL,			/* get_bits */
+     bbox_get_params,
+     bbox_put_params,
+     NULL,			/* map_cmyk_color */
+     NULL,			/* get_xfont_procs */
+     NULL,			/* get_xfont_device */
+     NULL,			/* map_rgb_alpha_color */
+     gx_page_device_get_page_device,
+     NULL,			/* get_alpha_bits */
+     bbox_copy_alpha,
+     NULL,			/* get_band */
+     NULL,			/* copy_rop */
+     bbox_fill_path,
+     bbox_stroke_path,
+     bbox_fill_mask,
+     bbox_fill_trapezoid,
+     bbox_fill_parallelogram,
+     bbox_fill_triangle,
+     bbox_draw_thin_line,
+     gx_default_begin_image,
+     NULL,			/* image_data */
+     NULL,			/* end_image */
+     bbox_strip_tile_rectangle,
+     bbox_strip_copy_rop,
+     NULL,			/* get_clipping_box */
+     bbox_begin_typed_image,
+     NULL,			/* get_bits_rectangle */
+     NULL,			/* map_color_rgb_alpha */
+     bbox_create_compositor,
+     NULL,			/* get_hardware_params */
+     bbox_text_begin
+    },
+    0,				/* target */
+    1				/*true *//* free_standing */
+};
+
+#undef max_coord
+#undef max_resolution
+
+/* Copy device parameters back from the target. */
+private void
+bbox_copy_params(gx_device_bbox * bdev, bool remap_white)
+{
+    gx_device *tdev = bdev->target;
+
+    if (tdev != 0)
+	gx_device_copy_params((gx_device *)bdev, tdev);
+    if (remap_white)
+	bdev->white = gx_device_white((gx_device *)bdev);
+}
+
+#define gx_dc_is_white(pdevc, bdev)\
+  (gx_dc_is_pure(pdevc) && gx_dc_pure_color(pdevc) == (bdev)->white)
+
+private int
+bbox_close_device(gx_device * dev)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *tdev = bdev->target;
+
+    if ((gx_device *) bdev->box_device != dev) {
+	/*
+	 * This device was created as a wrapper for a compositor.
+	 * Just free the devices.
+	 */
+	int code = (*dev_proc(tdev, close_device)) (tdev);
+
+	gs_free_object(dev->memory, dev, "bbox_close_device(composite)");
+	return code;
+    } else {
+	return (tdev == 0 ? 0 : (*dev_proc(tdev, close_device)) (tdev));
+    }
+}
+
+/* Bounding box utilities */
+
+private void near
+bbox_initialize(gs_fixed_rect * pr)
+{
+    pr->p.x = pr->p.y = max_fixed;
+    pr->q.x = pr->q.y = min_fixed;
+}
+
+private void near
+bbox_add_rect(gs_fixed_rect * pr, fixed x0, fixed y0, fixed x1, fixed y1)
+{
+    if (x0 < pr->p.x)
+	pr->p.x = x0;
+    if (y0 < pr->p.y)
+	pr->p.y = y0;
+    if (x1 > pr->q.x)
+	pr->q.x = x1;
+    if (y1 > pr->q.y)
+	pr->q.y = y1;
+}
+private void near
+bbox_add_point(gs_fixed_rect * pr, fixed x, fixed y)
+{
+    bbox_add_rect(pr, x, y, x, y);
+}
+private void near
+bbox_add_int_rect(gs_fixed_rect * pr, int x0, int y0, int x1, int y1)
+{
+    bbox_add_rect(pr, int2fixed(x0), int2fixed(y0), int2fixed(x1),
+		  int2fixed(y1));
+}
+
+#define rect_is_page(dev, x, y, w, h)\
+  (x <= 0 && y <= 0 && w >= x + dev->width && h >= y + dev->height)
+
+     /* ---------------- Open/close/page ---------------- */
+
+/* Initialize a bounding box device. */
+void
+gx_device_bbox_init(gx_device_bbox * dev, gx_device * target)
+{
+    gx_device_init((gx_device *) dev, (const gx_device *)&gs_bbox_device,
+		   (target ? target->memory : NULL), true);
+    gx_device_forward_fill_in_procs((gx_device_forward *) dev);
+    dev->target = target;
+    dev->box_device = dev;
+    bbox_copy_params(dev, false);
+    dev->free_standing = false;	/* being used as a component */
+}
+
+/* Read back the bounding box in 1/72" units. */
+void
+gx_device_bbox_bbox(gx_device_bbox * dev, gs_rect * pbbox)
+{
+    const gx_device_bbox *bbdev = dev->box_device;
+    gs_matrix mat;
+    gs_rect dbox;
+
+    gs_deviceinitialmatrix((gx_device *) dev, &mat);
+    dbox.p.x = fixed2float(bbdev->bbox.p.x);
+    dbox.p.y = fixed2float(bbdev->bbox.p.y);
+    dbox.q.x = fixed2float(bbdev->bbox.q.x);
+    dbox.q.y = fixed2float(bbdev->bbox.q.y);
+    gs_bbox_transform_inverse(&dbox, &mat, pbbox);
+}
+
+
+private int
+bbox_open_device(gx_device * dev)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+
+    if (bdev->free_standing) {
+	gx_device_forward_fill_in_procs((gx_device_forward *) dev);
+	bdev->box_device = bdev;
+    }
+    if (bdev->box_device == bdev)
+	bbox_initialize(&bdev->bbox);
+    /* gx_forward_open_device doesn't exist */
+    {
+	gx_device *tdev = bdev->target;
+	int code = (tdev == 0 ? 0 : (*dev_proc(tdev, open_device)) (tdev));
+
+	bbox_copy_params(bdev, true);
+	return code;
+    }
+}
+
+private int
+bbox_output_page(gx_device * dev, int num_copies, int flush)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+
+    if (bdev->free_standing) {
+	/*
+	 * This is a free-standing device.  Print the page bounding box.
+	 */
+	gs_rect bbox;
+
+	gx_device_bbox_bbox(bdev, &bbox);
+	dlprintf4("%%%%BoundingBox: %d %d %d %d\n",
+		  (int)floor(bbox.p.x), (int)floor(bbox.p.y),
+		  (int)ceil(bbox.q.x), (int)ceil(bbox.q.y));
+	dlprintf4("%%%%HiResBoundingBox: %f %f %f %f\n",
+		  bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y);
+    }
+    /*
+     * Propagate the PageCount to the target,
+     * since it changes every time gs_output_page is called.
+     */
+    if (bdev->target)
+	bdev->target->PageCount = dev->PageCount;
+    return gx_forward_output_page(dev, num_copies, flush);
+}
+
+/* ---------------- Low-level drawing ---------------- */
+
+private int
+bbox_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+		    gx_color_index color)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device_bbox *bbdev = bdev->box_device;
+
+    /* Check for erasing the entire page. */
+    if (rect_is_page(dev, x, y, w, h))
+	bbox_initialize(&bbdev->bbox);
+    else if (color != bdev->white)
+	bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    /* gx_forward_fill_rectangle doesn't exist */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, fill_rectangle)) (tdev, x, y, w, h, color));
+    }
+}
+
+private int
+bbox_copy_mono(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+	       gx_color_index zero, gx_color_index one)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device_bbox *bbdev = bdev->box_device;
+
+    if ((one != gx_no_color_index && one != bdev->white) ||
+	(zero != gx_no_color_index && zero != bdev->white)
+	)
+	bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    /* gx_forward_copy_mono doesn't exist */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, copy_mono))
+		(tdev, data, dx, raster, id, x, y, w, h, zero, one));
+    }
+}
+
+private int
+bbox_copy_color(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device_bbox *bbdev = bdev->box_device;
+
+    bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    /* gx_forward_copy_color doesn't exist */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, copy_color))
+		(tdev, data, dx, raster, id, x, y, w, h));
+    }
+}
+
+private int
+bbox_copy_alpha(gx_device * dev, const byte * data, int data_x,
+		int raster, gx_bitmap_id id, int x, int y, int w, int h,
+		gx_color_index color, int depth)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device_bbox *bbdev = bdev->box_device;
+
+    bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    /* gx_forward_copy_alpha doesn't exist */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, copy_alpha))
+		(tdev, data, data_x, raster, id, x, y, w, h, color, depth));
+    }
+}
+
+private int
+bbox_strip_tile_rectangle(gx_device * dev, const gx_strip_bitmap * tiles,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1,
+			  int px, int py)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device_bbox *bbdev = bdev->box_device;
+
+    if (rect_is_page(dev, x, y, w, h))
+	bbox_initialize(&bbdev->bbox);
+    else
+	bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    /* Skip the call if there is no target. */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, strip_tile_rectangle))
+		(tdev, tiles, x, y, w, h, color0, color1, px, py));
+    }
+}
+
+private int
+bbox_strip_copy_rop(gx_device * dev,
+		    const byte * sdata, int sourcex, uint sraster,
+		    gx_bitmap_id id,
+		    const gx_color_index * scolors,
+		    const gx_strip_bitmap * textures,
+		    const gx_color_index * tcolors,
+		    int x, int y, int w, int h,
+		    int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device_bbox *bbdev = bdev->box_device;
+
+    bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    /* gx_forward_strip_copy_rop doesn't exist */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, strip_copy_rop))
+		(tdev, sdata, sourcex, sraster, id, scolors,
+		 textures, tcolors, x, y, w, h, phase_x, phase_y, lop));
+    }
+}
+
+/* ---------------- Parameters ---------------- */
+
+/* We implement get_params to provide a way to read out the bounding box. */
+private int
+bbox_get_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    const gx_device_bbox *bbdev = bdev->box_device;
+    int code = gx_forward_get_params(dev, plist);
+    gs_param_float_array bba;
+    float bbox[4];
+
+    if (code < 0)
+	return code;
+    /*
+     * We might be calling get_params before the device has been
+     * initialized: in this case, bbdev = 0.
+     */
+    if (bbdev == 0)
+	bbdev = (const gx_device_bbox *)dev;
+    bbox[0] = fixed2float(bbdev->bbox.p.x);
+    bbox[1] = fixed2float(bbdev->bbox.p.y);
+    bbox[2] = fixed2float(bbdev->bbox.q.x);
+    bbox[3] = fixed2float(bbdev->bbox.q.y);
+    bba.data = bbox, bba.size = 4, bba.persistent = false;
+    return param_write_float_array(plist, "PageBoundingBox", &bba);
+}
+
+/* We implement put_params to ensure that we keep the important */
+/* device parameters up to date, and to prevent an /undefined error */
+/* from PageBoundingBox. */
+private int
+bbox_put_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    int code;
+    int ecode = 0;
+    gs_param_name param_name;
+    gs_param_float_array bba;
+
+    code = param_read_float_array(plist, (param_name = "PageBoundingBox"),
+				  &bba);
+    switch (code) {
+	case 0:
+	    if (bba.size != 4) {
+		ecode = gs_note_error(gs_error_rangecheck);
+		goto e;
+	    }
+	    break;
+	default:
+	    ecode = code;
+	  e:param_signal_error(plist, param_name, ecode);
+	case 1:
+	    bba.data = 0;
+    }
+
+    code = gx_forward_put_params(dev, plist);
+    if (ecode < 0)
+	code = ecode;
+    if (code >= 0 && bba.data != 0) {
+	gx_device_bbox *bbdev = bdev->box_device;
+
+	bbdev->bbox.p.x = float2fixed(bba.data[0]);
+	bbdev->bbox.p.y = float2fixed(bba.data[1]);
+	bbdev->bbox.q.x = float2fixed(bba.data[2]);
+	bbdev->bbox.q.y = float2fixed(bba.data[3]);
+    }
+    bbox_copy_params(bdev, true);
+    return code;
+}
+
+/* ---------------- Polygon drawing ---------------- */
+
+private fixed
+edge_x_at_y(const gs_fixed_edge * edge, fixed y)
+{
+    return fixed_mult_quo(edge->end.x - edge->start.x,
+			  y - edge->start.y,
+			  edge->end.y - edge->start.y) + edge->start.x;
+}
+private int
+bbox_fill_trapezoid(gx_device * dev,
+		    const gs_fixed_edge * left, const gs_fixed_edge * right,
+		    fixed ybot, fixed ytop, bool swap_axes,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+
+    if (!gx_dc_is_white(pdevc, bdev)) {
+	gx_device_bbox *bbdev = bdev->box_device;
+	fixed x0l =
+	(left->start.y == ybot ? left->start.x :
+	 edge_x_at_y(left, ybot));
+	fixed x1l =
+	(left->end.y == ytop ? left->end.x :
+	 edge_x_at_y(left, ytop));
+	fixed x0r =
+	(right->start.y == ybot ? right->start.x :
+	 edge_x_at_y(right, ybot));
+	fixed x1r =
+	(right->end.y == ytop ? right->end.x :
+	 edge_x_at_y(right, ytop));
+	fixed xminl = min(x0l, x1l), xmaxl = max(x0l, x1l);
+	fixed xminr = min(x0r, x1r), xmaxr = max(x0r, x1r);
+	fixed x0 = min(xminl, xminr), x1 = max(xmaxl, xmaxr);
+
+	if (swap_axes)
+	    bbox_add_rect(&bbdev->bbox, ybot, x0, ytop, x1);
+	else
+	    bbox_add_rect(&bbdev->bbox, x0, ybot, x1, ytop);
+    }
+    /* Skip the call if there is no target. */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, fill_trapezoid))
+		(tdev, left, right, ybot, ytop, swap_axes, pdevc, lop));
+    }
+}
+
+private int
+bbox_fill_parallelogram(gx_device * dev,
+			fixed px, fixed py, fixed ax, fixed ay,
+			fixed bx, fixed by, const gx_device_color * pdevc,
+			gs_logical_operation_t lop)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+
+    if (!gx_dc_is_white(pdevc, bdev)) {
+	gx_device_bbox *bbdev = bdev->box_device;
+	fixed pax = px + ax, pay = py + ay;
+
+	bbox_add_rect(&bbdev->bbox, px, py, px + bx, py + by);
+	bbox_add_rect(&bbdev->bbox, pax, pay, pax + bx, pay + by);
+    }
+    /* Skip the call if there is no target. */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, fill_parallelogram))
+		(tdev, px, py, ax, ay, bx, by, pdevc, lop));
+    }
+}
+
+private int
+bbox_fill_triangle(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+		   const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+
+    if (!gx_dc_is_white(pdevc, bdev)) {
+	gx_device_bbox *bbdev = bdev->box_device;
+
+	bbox_add_rect(&bbdev->bbox, px, py, px + bx, py + by);
+	bbox_add_point(&bbdev->bbox, px + ax, py + ay);
+    }
+    /* Skip the call if there is no target. */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, fill_triangle))
+		(tdev, px, py, ax, ay, bx, by, pdevc, lop));
+    }
+}
+
+private int
+bbox_draw_thin_line(gx_device * dev,
+		    fixed fx0, fixed fy0, fixed fx1, fixed fy1,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+
+    if (!gx_dc_is_white(pdevc, bdev)) {
+	gx_device_bbox *bbdev = bdev->box_device;
+
+	bbox_add_rect(&bbdev->bbox, fx0, fy0, fx1, fy1);
+    }
+    /* Skip the call if there is no target. */
+    {
+	gx_device *tdev = bdev->target;
+
+	return (tdev == 0 ? 0 :
+		(*dev_proc(tdev, draw_thin_line))
+		(tdev, fx0, fy0, fx1, fy0, pdevc, lop));
+    }
+}
+
+/* ---------------- High-level drawing ---------------- */
+
+#define adjust_box(pbox, adj)\
+((pbox)->p.x -= (adj).x, (pbox)->p.y -= (adj).y,\
+ (pbox)->q.x += (adj).x, (pbox)->q.y += (adj).y)
+
+private int
+bbox_fill_path(gx_device * dev, const gs_imager_state * pis, gx_path * ppath,
+	       const gx_fill_params * params, const gx_device_color * pdevc,
+	       const gx_clip_path * pcpath)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *tdev = bdev->target;
+
+    if (!gx_dc_is_white(pdevc, bdev)) {
+	gs_fixed_rect ibox;
+	gs_fixed_point adjust;
+
+	if (gx_path_bbox(ppath, &ibox) < 0)
+	    return 0;
+	adjust = params->adjust;
+	if (params->fill_zero_width)
+	    gx_adjust_if_empty(&ibox, &adjust);
+	adjust_box(&ibox, adjust);
+	if (pcpath != NULL &&
+	    !gx_cpath_includes_rectangle(pcpath, ibox.p.x, ibox.p.y,
+					 ibox.q.x, ibox.q.y)
+	    ) {
+	    /* Let the target do the drawing, but break down the */
+	    /* fill path into pieces for computing the bounding box. */
+	    bdev->target = NULL;
+	    gx_default_fill_path(dev, pis, ppath, params, pdevc, pcpath);
+	    bdev->target = tdev;
+	} else {		/* Just use the path bounding box. */
+	    bbox_add_rect(&bdev->bbox, ibox.p.x, ibox.p.y, ibox.q.x,
+			  ibox.q.y);
+	}
+    }
+    /* Skip the call if there is no target. */
+    return (tdev == 0 ? 0 :
+	    (*dev_proc(tdev, fill_path))
+	    (tdev, pis, ppath, params, pdevc, pcpath));
+}
+
+private int
+bbox_stroke_path(gx_device * dev, const gs_imager_state * pis, gx_path * ppath,
+		 const gx_stroke_params * params,
+		 const gx_drawing_color * pdevc, const gx_clip_path * pcpath)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *tdev = bdev->target;
+
+    if (!gx_dc_is_white(pdevc, bdev)) {
+	gs_fixed_rect ibox;
+	gs_fixed_point expand;
+
+	if (gx_path_bbox(ppath, &ibox) < 0)
+	    return 0;
+	if (gx_stroke_path_expansion(pis, ppath, &expand) < 0)
+	    ibox.p.x = ibox.p.y = min_fixed, ibox.q.x = ibox.q.y = max_fixed;
+	else
+	    adjust_box(&ibox, expand);
+	if (pcpath != NULL &&
+	    !gx_cpath_includes_rectangle(pcpath, ibox.p.x, ibox.p.y,
+					 ibox.q.x, ibox.q.y)
+	    ) {
+	    /* Let the target do the drawing, but break down the */
+	    /* fill path into pieces for computing the bounding box. */
+	    bdev->target = NULL;
+	    gx_default_stroke_path(dev, pis, ppath, params, pdevc, pcpath);
+	    bdev->target = tdev;
+	} else {
+	    /* Just use the path bounding box. */
+	    gx_device_bbox *bbdev = bdev->box_device;
+
+	    bbox_add_rect(&bbdev->bbox, ibox.p.x, ibox.p.y, ibox.q.x,
+			  ibox.q.y);
+	}
+    }
+    /* Skip the call if there is no target. */
+    return (tdev == 0 ? 0 :
+	    (*dev_proc(tdev, stroke_path))
+	    (tdev, pis, ppath, params, pdevc, pcpath));
+}
+
+private int
+bbox_fill_mask(gx_device * dev,
+	       const byte * data, int dx, int raster, gx_bitmap_id id,
+	       int x, int y, int w, int h,
+	       const gx_drawing_color * pdcolor, int depth,
+	       gs_logical_operation_t lop, const gx_clip_path * pcpath)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *tdev = bdev->target;
+
+    if (pcpath != NULL &&
+	!gx_cpath_includes_rectangle(pcpath, int2fixed(x), int2fixed(y),
+				     int2fixed(x + w),
+				     int2fixed(y + h))
+	) {
+	/* Let the target do the drawing, but break down the */
+	/* image into pieces for computing the bounding box. */
+	bdev->target = NULL;
+	gx_default_fill_mask(dev, data, dx, raster, id, x, y, w, h,
+			     pdcolor, depth, lop, pcpath);
+	bdev->target = tdev;
+    } else {
+	/* Just use the mask bounding box. */
+	gx_device_bbox *bbdev = bdev->box_device;
+
+	bbox_add_int_rect(&bbdev->bbox, x, y, x + w, y + h);
+    }
+    /* Skip the call if there is no target. */
+    return (tdev == 0 ? 0 :
+	    (*dev_proc(tdev, fill_mask))
+	    (tdev, data, dx, raster, id, x, y, w, h,
+	     pdcolor, depth, lop, pcpath));
+}
+
+/* ------ Bitmap imaging ------ */
+
+typedef struct bbox_image_enum_s {
+    gx_image_enum_common;
+    gs_memory_t *memory;
+    gs_matrix matrix;		/* map from image space to device space */
+    const gx_clip_path *pcpath;
+    gx_image_enum_common_t *target_info;
+    int x0, x1;
+    int y, height;
+} bbox_image_enum;
+
+gs_private_st_ptrs2(st_bbox_image_enum, bbox_image_enum, "bbox_image_enum",
+bbox_image_enum_enum_ptrs, bbox_image_enum_reloc_ptrs, pcpath, target_info);
+
+private image_enum_proc_plane_data(bbox_image_plane_data);
+private image_enum_proc_end_image(bbox_image_end_image);
+private const gx_image_enum_procs_t bbox_image_enum_procs =
+{
+    bbox_image_plane_data, bbox_image_end_image
+};
+
+private int
+bbox_image_begin(const gs_imager_state * pis, const gs_matrix * pmat,
+		 const gs_image_common_t * pic, const gs_int_rect * prect,
+		 const gx_clip_path * pcpath, gs_memory_t * memory,
+		 bbox_image_enum ** ppbe)
+{
+    int code;
+    gs_matrix mat;
+    bbox_image_enum *pbe;
+
+    if (pmat == 0)
+	pmat = &ctm_only(pis);
+    if ((code = gs_matrix_invert(&pic->ImageMatrix, &mat)) < 0 ||
+	(code = gs_matrix_multiply(&mat, pmat, &mat)) < 0
+	)
+	return code;
+    pbe = gs_alloc_struct(memory, bbox_image_enum, &st_bbox_image_enum,
+			  "bbox_image_begin");
+    if (pbe == 0)
+	return_error(gs_error_VMerror);
+    pbe->memory = memory;
+    pbe->matrix = mat;
+    pbe->pcpath = pcpath;
+    pbe->target_info = 0;	/* in case no target */
+    if (prect) {
+	pbe->x0 = prect->p.x, pbe->x1 = prect->q.x;
+	pbe->y = prect->p.y, pbe->height = prect->q.y - prect->p.y;
+    } else {
+	gs_int_point size;
+	int code = (*pic->type->source_size) (pis, pic, &size);
+
+	if (code < 0) {
+	    gs_free_object(memory, pbe, "bbox_image_begin");
+	    return code;
+	}
+	pbe->x0 = 0, pbe->x1 = size.x;
+	pbe->y = 0, pbe->height = size.y;
+    }
+    *ppbe = pbe;
+    return 0;
+}
+
+private void
+bbox_image_copy_target_info(bbox_image_enum * pbe, gx_device_bbox * dev)
+{
+    const gx_image_enum_common_t *target_info = pbe->target_info;
+
+    pbe->num_planes = target_info->num_planes;
+    memcpy(pbe->plane_depths, target_info->plane_depths,
+	   pbe->num_planes * sizeof(pbe->plane_depths[0]));
+    if (dev->target == 0) {
+	gx_image_end(pbe->target_info, false);
+	pbe->target_info = 0;
+    }
+}
+
+private int
+bbox_begin_typed_image(gx_device * dev,
+		       const gs_imager_state * pis, const gs_matrix * pmat,
+		   const gs_image_common_t * pic, const gs_int_rect * prect,
+		       const gx_drawing_color * pdcolor,
+		       const gx_clip_path * pcpath,
+		       gs_memory_t * memory, gx_image_enum_common_t ** pinfo)
+{
+    bbox_image_enum *pbe;
+    int code =
+    bbox_image_begin(pis, pmat, pic, prect, pcpath, memory, &pbe);
+
+    if (code < 0)
+	return code;
+    /* We fill in num_planes and plane_depths later. */
+    /* format is irrelevant. */
+    code = gx_image_enum_common_init((gx_image_enum_common_t *) pbe, pic,
+				     &bbox_image_enum_procs, dev,
+				     0, 0, gs_image_format_chunky);
+    if (code < 0)
+	return code;
+    *pinfo = (gx_image_enum_common_t *) pbe;
+    /*
+     * If there is no target, we still have to call default_begin_image
+     * to get the correct num_planes and plane_depths.
+     */
+    {
+	gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+	gx_device *tdev = bdev->target;
+
+	dev_proc_begin_typed_image((*begin_typed_image));
+
+	if (tdev == 0) {
+	    tdev = dev;
+	    begin_typed_image = gx_default_begin_typed_image;
+	} else {
+	    begin_typed_image = dev_proc(tdev, begin_typed_image);
+	}
+	code = (*begin_typed_image)
+	    (tdev, pis, pmat, pic, prect, pdcolor, pcpath, memory,
+	     &pbe->target_info);
+	if (code < 0)
+	    return code;
+	bbox_image_copy_target_info(pbe, bdev);
+    }
+    return 0;
+}
+
+private int
+bbox_image_plane_data(gx_device * dev,
+ gx_image_enum_common_t * info, const gx_image_plane_t * planes, int height)
+{
+
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *tdev = bdev->target;
+    bbox_image_enum *pbe = (bbox_image_enum *) info;
+    const gx_clip_path *pcpath = pbe->pcpath;
+    gs_rect sbox, dbox;
+    gs_point corners[4];
+    gs_fixed_rect ibox;
+
+    sbox.p.x = pbe->x0;
+    sbox.p.y = pbe->y;
+    sbox.q.x = pbe->x1;
+    sbox.q.y = pbe->y += height;
+    gs_bbox_transform_only(&sbox, &pbe->matrix, corners);
+    gs_points_bbox(corners, &dbox);
+    ibox.p.x = float2fixed(dbox.p.x);
+    ibox.p.y = float2fixed(dbox.p.y);
+    ibox.q.x = float2fixed(dbox.q.x);
+    ibox.q.y = float2fixed(dbox.q.y);
+    if (pcpath != NULL &&
+	!gx_cpath_includes_rectangle(pcpath, ibox.p.x, ibox.p.y,
+				     ibox.q.x, ibox.q.y)
+	) {
+	/* Let the target do the drawing, but drive two triangles */
+	/* through the clipping path to get an accurate bounding box. */
+	gx_device_clip cdev;
+	gx_drawing_color devc;
+	fixed x0 = float2fixed(corners[0].x), y0 = float2fixed(corners[0].y);
+	fixed bx2 = float2fixed(corners[2].x) - x0, by2 = float2fixed(corners[2].y) - y0;
+
+	gx_make_clip_path_device(&cdev, pcpath);
+	cdev.target = dev;
+	(*dev_proc(&cdev, open_device)) ((gx_device *) & cdev);
+	color_set_pure(&devc, 0);	/* any color will do */
+	bdev->target = NULL;
+	gx_default_fill_triangle((gx_device *) & cdev, x0, y0,
+				 float2fixed(corners[1].x) - x0,
+				 float2fixed(corners[1].y) - y0,
+				 bx2, by2, &devc, lop_default);
+	gx_default_fill_triangle((gx_device *) & cdev, x0, y0,
+				 float2fixed(corners[3].x) - x0,
+				 float2fixed(corners[3].y) - y0,
+				 bx2, by2, &devc, lop_default);
+	bdev->target = tdev;
+    } else {
+	/* Just use the bounding box. */
+	gx_device_bbox *bbdev = bdev->box_device;
+
+	bbox_add_rect(&bbdev->bbox, ibox.p.x, ibox.p.y, ibox.q.x, ibox.q.y);
+    }
+    /* Skip the call if there is no target. */
+    return (tdev == 0 ? pbe->y >= pbe->height :
+	    gx_image_plane_data(pbe->target_info, planes, height));
+}
+
+private int
+bbox_image_end_image(gx_device * dev, gx_image_enum_common_t * info,
+		     bool draw_last)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    bbox_image_enum *pbe = (bbox_image_enum *) info;
+    void *target_info = pbe->target_info;
+
+    /* Skip the call if there is no target. */
+    gx_device *tdev = bdev->target;
+    int code =
+	(tdev == 0 ? 0 : gx_image_end(target_info, draw_last));
+
+    gs_free_object(pbe->memory, pbe, "bbox_end_image");
+    return code;
+}
+
+private int
+bbox_create_compositor(gx_device * dev,
+		       gx_device ** pcdev, const gs_composite_t * pcte,
+		       const gs_imager_state * pis, gs_memory_t * memory)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *target = bdev->target;
+
+    /*
+     * If there isn't a target, all we care about is the bounding box,
+     * so don't bother with actually compositing.
+     */
+    if (target == 0) {
+	*pcdev = dev;
+	return 0;
+    }
+    /*
+     * Create a compositor for the target, and then wrap another
+     * bbox device around it, but still accumulating the bounding
+     * box in the same place.
+     */
+    {
+	gx_device *cdev;
+	gx_device_bbox *bbcdev;
+	int code = (*dev_proc(target, create_compositor))
+	(target, &cdev, pcte, pis, memory);
+
+	if (code < 0)
+	    return code;
+	bbcdev = gs_alloc_struct_immovable(memory, gx_device_bbox,
+					   &st_device_bbox,
+					   "bbox_create_compositor");
+	if (bbcdev == 0) {
+	    (*dev_proc(cdev, close_device)) (cdev);
+	    return_error(gs_error_VMerror);
+	}
+	gx_device_bbox_init(bbcdev, target);
+	bbcdev->target = cdev;
+	bbcdev->box_device = bdev;
+	*pcdev = (gx_device *) bbcdev;
+	return 0;
+    }
+}
+
+/* ------ Text imaging ------ */
+
+extern_st(st_gs_text_enum);
+
+typedef struct bbox_text_enum_s {
+    gs_text_enum_common;
+    gs_text_enum_t *target_info;
+} bbox_text_enum;
+
+gs_private_st_suffix_add1(st_bbox_text_enum, bbox_text_enum, "bbox_text_enum",
+			bbox_text_enum_enum_ptrs, bbox_text_enum_reloc_ptrs,
+			  st_gs_text_enum, target_info);
+
+private text_enum_proc_process(bbox_text_process);
+private text_enum_proc_set_cache(bbox_text_set_cache);
+private rc_free_proc(bbox_text_free);
+
+private const gs_text_enum_procs_t bbox_text_procs =
+{
+    bbox_text_process, bbox_text_set_cache
+};
+
+private int
+bbox_text_begin(gx_device * dev, gs_imager_state * pis,
+		const gs_text_params_t * text, const gs_font * font,
+gx_path * path, const gx_device_color * pdcolor, const gx_clip_path * pcpath,
+		gs_memory_t * memory, gs_text_enum_t ** ppenum)
+{
+    gx_device_bbox *const bdev = (gx_device_bbox *) dev;
+    gx_device *tdev = bdev->target;
+    bbox_text_enum *pbte;
+    int code;
+
+    if (tdev == 0)
+	return gx_default_text_begin(dev, pis, text, font, path, pdcolor,
+				     pcpath, memory, ppenum);
+    rc_alloc_struct_1(pbte, bbox_text_enum, &st_bbox_text_enum, memory,
+		      return_error(gs_error_VMerror),
+		      "bbox_text_begin");
+    pbte->rc.free = bbox_text_free;
+    code =
+	(*dev_proc(tdev, text_begin))
+	(tdev, pis, text, font, path, pdcolor, pcpath, memory,
+	 &pbte->target_info);
+    if (code < 0) {
+	gs_free_object(memory, pbte, "bbox_text_begin");
+	return code;
+    }
+    *(gs_text_enum_t *) pbte = *pbte->target_info;	/* copy common info */
+    pbte->procs = &bbox_text_procs;
+    *ppenum = (gs_text_enum_t *) pbte;
+    return code;
+}
+
+private int
+bbox_text_process(gs_text_enum_t * pte)
+{
+    bbox_text_enum *const pbte = (bbox_text_enum *) pte;
+    int code = gs_text_process(pbte->target_info);
+
+    if (code < 0)
+	return code;
+    /* Copy back the dynamic information for the client. */
+    pte->index = pbte->target_info->index;
+    return code;
+}
+
+private int
+bbox_text_set_cache(gs_text_enum_t * pte, const double *values,
+		    gs_text_cache_control_t control)
+{
+    bbox_text_enum *const pbte = (bbox_text_enum *) pte;
+    gs_text_enum_t *tpte = pbte->target_info;
+    int code = tpte->procs->set_cache(tpte, values, control);
+
+    if (code < 0)
+	return code;
+    /* Copy back the dynamic information for the client. */
+    pte->index = tpte->index;
+    return code;
+}
+
+private void
+bbox_text_free(gs_memory_t * memory, void *vpte, client_name_t cname)
+{
+    bbox_text_enum *const pbte = (bbox_text_enum *) vpte;
+
+    gs_text_release(pbte->target_info, cname);
+    rc_free_struct_only(memory, vpte, cname);
+}
diff --git a/pstoraster/gdevbbox.h b/pstoraster/gdevbbox.h
new file mode 100644
index 000000000..5b647347b
--- /dev/null
+++ b/pstoraster/gdevbbox.h
@@ -0,0 +1,100 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h */
+
+#ifndef gdevbbox_INCLUDED
+#  define gdevbbox_INCLUDED
+
+/*
+ * This device keeps track of the per-page bounding box, and also optionally
+ * forwards all drawing commands to a target.  It can be used either as a
+ * free-standing device or as a component (e.g., by the EPS writer).
+ *
+ * One way to use a bounding box device is simply to include bbox.dev in the
+ * value of DEVICE_DEVSn in the makefile.  This produces a free-standing
+ * device named 'bbox' that can be selected in the usual way (-sDEVICE=bbox)
+ * and that prints out the bounding box at each showpage or copypage without
+ * doing any drawing.
+ *
+ * The other way to use a bounding box device is from C code as a component
+ * in a device pipeline.  To set up a bounding box device that doesn't do
+ * any drawing:
+ *      gx_device_bbox *bdev =
+ *        gs_alloc_struct_immovable(some_memory,
+ *                                  gx_device_bbox, &st_device_bbox,
+ *                                  "some identifying string for debugging");
+ *      gx_device_bbox_init(bdev, NULL);
+ * Non-drawing bounding box devices have an "infinite" page size.
+ *
+ * To set up a bounding box device that draws to another device tdev:
+ *      gx_device_bbox *bdev =
+ *        gs_alloc_struct_immovable(some_memory,
+ *                                  gx_device_bbox, &st_device_bbox,
+ *                                  "some identifying string for debugging");
+ *      gx_device_bbox_init(bdev, tdev);
+ * Bounding box devices that draw to a real device appear to have the
+ * same page size as that device.
+ *
+ * To intercept the end-of-page to call a routine eop of your own, after
+ * setting up the device:
+ *      dev_proc_output_page(eop);      -- declare a prototype for eop
+ *      ...
+ *      set_dev_proc(bdev, output_page, eop);
+ *      ...
+ *      int eop(gx_device *dev, int num_copies, int flush)
+ *      {       gs_rect bbox;
+ *              gx_device_bbox_bbox((gx_device_bbox *)dev, &bbox);
+ *              << do whatever you want >>
+ *              return gx_forward_output_page(dev, num_copies, flush);
+ *      }
+ */
+#define gx_device_bbox_common\
+	gx_device_forward_common;\
+	bool free_standing;\
+	/* In order to handle compositors, we provide a separate pointer */\
+	/* to the bbox device instance that holds the actual box. */\
+	gx_device_bbox *box_device;\
+	/* The following are updated dynamically. */\
+	gs_fixed_rect bbox;\
+	gx_color_index white
+typedef struct gx_device_bbox_s gx_device_bbox;
+struct gx_device_bbox_s {
+    gx_device_bbox_common;
+};
+
+extern_st(st_device_bbox);
+#define public_st_device_bbox()	/* in gdevbbox.c */\
+  gs_public_st_suffix_add1_final(st_device_bbox, gx_device_bbox,\
+    "gx_device_bbox", device_bbox_enum_ptrs, device_bbox_reloc_ptrs,\
+    gx_device_finalize, st_device_forward, box_device)
+
+/* Initialize a bounding box device. */
+void gx_device_bbox_init(P2(gx_device_bbox * dev, gx_device * target));
+
+/* Read back the bounding box in 1/72" units. */
+void gx_device_bbox_bbox(P2(gx_device_bbox * dev, gs_rect * pbbox));
+
+#endif /* gdevbbox_INCLUDED */
diff --git a/pstoraster/gdevcmap.h b/pstoraster/gdevcmap.h
new file mode 100644
index 000000000..abfa9266f
--- /dev/null
+++ b/pstoraster/gdevcmap.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to special color mapping device */
+
+#ifndef gdevcmap_INCLUDED
+#  define gdevcmap_INCLUDED
+
+/* Define the color mapping algorithms. */
+typedef enum {
+
+    /* Don't change the color. */
+
+    device_cmap_identity = 0,
+
+    /* Snap each RGB primary component to 0 or 1 individually. */
+
+    device_cmap_snap_to_primaries,
+
+    /* Snap black to white, other colors to black. */
+
+    device_cmap_color_to_black_over_white,
+
+    /* Convert to a gray shade of the correct brightness. */
+
+    device_cmap_monochrome
+
+} gx_device_color_mapping_method_t;
+
+#define device_cmap_max_method device_cmap_monochrome
+
+/* Define the color mapping forwarding device. */
+typedef struct gx_device_cmap_s {
+    gx_device_forward_common;
+    gx_device_color_mapping_method_t mapping_method;
+} gx_device_cmap;
+
+extern_st(st_device_cmap);
+#define public_st_device_cmap()	/* in gdevcmap.c */\
+  gs_public_st_suffix_add0_final(st_device_cmap, gx_device_cmap,\
+    "gx_device_cmap", device_cmap_enum_ptrs, device_cmap_reloc_ptrs,\
+    gx_device_finalize, st_device_forward)
+
+/* Initialize a color mapping device.  Do this just once after allocation. */
+int gdev_cmap_init(P3(gx_device_cmap * dev, gx_device * target,
+		      gx_device_color_mapping_method_t mapping_method));
+
+/* Set the color mapping method.  This may be called at any time. */
+int gdev_cmap_set_method(P2(gx_device_cmap * dev,
+			  gx_device_color_mapping_method_t mapping_method));
+
+#endif /* gdevcmap_INCLUDED */
diff --git a/pstoraster/gdevcups.c b/pstoraster/gdevcups.c
new file mode 100644
index 000000000..e6762a99c
--- /dev/null
+++ b/pstoraster/gdevcups.c
@@ -0,0 +1,3058 @@
+/*
+ * "$Id$"
+ *
+ *   GNU Ghostscript raster output driver for the Common UNIX Printing
+ *   System (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   This code and any derivative of it may be used and distributed
+ *   freely under the terms of the GNU General Public License when
+ *   used with GNU Ghostscript or its derivatives.  Use of the code
+ *   (or any derivative of it) with software other than GNU
+ *   GhostScript (or its derivatives) is governed by the CUPS license
+ *   agreement.
+ *
+ * Contents:
+ *
+ *   cups_close()            - Close the output file.
+ *   cups_get_matrix()       - Generate the default page matrix.
+ *   cups_get_params()       - Get pagedevice parameters.
+ *   cups_map_color_rgb()    - Map a color index to an RGB color.
+ *   cups_map_rgb_color()    - Map an RGB color to a color index.  We map the
+ *                             RGB color to the output colorspace & bits (we
+ *                             figure out the format when we output a page).
+ *   cups_open()             - Open the output file and initialize things.
+ *   cups_print_pages()      - Send one or more pages to the output file.
+ *   cups_put_params()       - Set pagedevice parameters.
+ *   cups_set_color_info()   - Set the color information structure based on
+ *                             the required output.
+ *   cups_print_chunked()    - Print a page of chunked pixels.
+ *   cups_print_banded()     - Print a page of banded pixels.
+ *   cups_print_planar()     - Print a page of planar pixels.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "std.h"                /* to stop stdlib.h redefining types */
+#include "gdevprn.h"
+#include "gsparam.h"
+#include "gsexit.h"
+
+#include <stdlib.h>
+#include <filter/raster.h>
+#include <cups/ppd.h>
+#include <math.h>
+
+#undef private
+#define private
+
+
+/*
+ * Globals...
+ */
+
+extern const char	*cupsProfile;
+
+
+/*
+ * Macros...
+ */
+
+#define x_dpi		(pdev->HWResolution[0])
+#define y_dpi		(pdev->HWResolution[1])
+#define cups		((gx_device_cups *)pdev)
+
+/*
+ * Macros from <macros.h>; we can't include <macros.h> because it also
+ * defines DEBUG, one of our flags to insert various debugging code.
+ */
+
+#ifndef max
+#  define max(a,b)	((a)<(b) ? (b) : (a))
+#endif /* !max */
+
+#ifndef min
+#  define min(a,b)	((a)>(b) ? (b) : (a))
+#endif /* !min */
+
+#ifndef abs
+#  define abs(x)	((x)>=0 ? (x) : -(x))
+#endif /* !abs */
+
+
+/*
+ * Procedures
+ */
+
+private dev_proc_close_device(cups_close);
+private dev_proc_get_initial_matrix(cups_get_matrix);
+private int cups_get_params(gx_device *, gs_param_list *);
+private dev_proc_map_cmyk_color(cups_map_cmyk_color);
+private dev_proc_map_color_rgb(cups_map_color_rgb);
+private dev_proc_map_rgb_color(cups_map_rgb_color);
+private dev_proc_open_device(cups_open);
+private int cups_print_pages(gx_device_printer *, FILE *, int);
+private int cups_put_params(gx_device *, gs_param_list *);
+private void cups_set_color_info(gx_device *);
+private dev_proc_sync_output(cups_sync_output);
+
+/*
+ * The device descriptors...
+ */
+
+typedef struct gx_device_cups_s
+{
+  gx_device_common;			/* Standard GhostScript device stuff */
+  gx_prn_device_common;			/* Standard printer device stuff */
+  int			page;		/* Page number */
+  cups_raster_t		*stream;	/* Raster stream */
+  ppd_file_t		*ppd;		/* PPD file for this printer */
+  cups_page_header_t	header;		/* PostScript page device info */
+} gx_device_cups;
+
+private gx_device_procs	cups_procs =
+{
+   cups_open,
+   cups_get_matrix,
+   cups_sync_output,
+   gdev_prn_output_page,
+   cups_close,
+   cups_map_rgb_color,
+   cups_map_color_rgb,
+   NULL,	/* fill_rectangle */
+   NULL,	/* tile_rectangle */
+   NULL,	/* copy_mono */
+   NULL,	/* copy_color */
+   NULL,	/* draw_line */
+   gx_default_get_bits,
+   cups_get_params,
+   cups_put_params,
+   NULL,	/* map_cmyk_color */
+   NULL,	/* get_xfont_procs */
+   NULL,	/* get_xfont_device */
+   NULL,	/* map_rgb_alpha_color */
+   gx_page_device_get_page_device,
+   NULL,	/* get_alpha_bits */
+   NULL,	/* copy_alpha */
+   NULL,	/* get_band */
+   NULL,	/* copy_rop */
+   NULL,	/* fill_path */
+   NULL,	/* stroke_path */
+   NULL,	/* fill_mask */
+   NULL,	/* fill_trapezoid */
+   NULL,	/* fill_parallelogram */
+   NULL,	/* fill_triangle */
+   NULL,	/* draw_thin_line */
+   NULL,	/* begin_image */
+   NULL,	/* image_data */
+   NULL,	/* end_image */
+   NULL,	/* strip_tile_rectangle */
+   NULL		/* strip_copy_rop */
+};
+
+gx_device_cups	gs_cups_device =
+{
+  prn_device_body_copies(gx_device_cups, cups_procs, "cups", 85, 110, 100, 100,
+                         0, 0, 0, 0, 0, 1, 0, 0, 0, 0, cups_print_pages),
+  0,				/* page */
+  NULL,				/* stream */
+  NULL,				/* ppd */
+  {				/* header */
+    "",				/* MediaClass */
+    "",				/* MediaColor */
+    "",				/* MediaType */
+    "",				/* OutputType */
+    0,				/* AdvanceDistance */
+    CUPS_ADVANCE_NONE,		/* AdvanceMedia */
+    CUPS_FALSE,			/* Collate */
+    CUPS_CUT_NONE,		/* CutMedia */
+    CUPS_FALSE,			/* Duplex */
+    { 100, 100 },		/* HWResolution */
+    { 0, 0, 612, 792 },		/* ImagingBoundingBox */
+    CUPS_FALSE,			/* InsertSheet */
+    CUPS_JOG_NONE,		/* Jog */
+    CUPS_EDGE_TOP,		/* LeadingEdge */
+    { 0, 0 },			/* Margins */
+    CUPS_FALSE,			/* ManualFeed */
+    0,				/* MediaPosition */
+    0,				/* MediaWeight */
+    CUPS_FALSE,			/* MirrorPrint */
+    CUPS_FALSE,			/* NegativePrint */
+    1,				/* NumCopies */
+    CUPS_ORIENT_0,		/* Orientation */
+    CUPS_FALSE,			/* OutputFaceUp */
+    { 612, 792 },		/* PageSize */
+    CUPS_FALSE,			/* Separations */
+    CUPS_FALSE,			/* TraySwitch */
+    CUPS_FALSE,			/* Tumble */
+    850,			/* cupsWidth */
+    1100,			/* cupsHeight */
+    0,				/* cupsMediaType */
+    1,				/* cupsBitsPerColor */
+    1,				/* cupsBitsPerPixel */
+    107,			/* cupsBytesPerLine */
+    CUPS_ORDER_CHUNKED,		/* cupsColorOrder */
+    CUPS_CSPACE_K,		/* cupsColorSpace */
+    0,				/* cupsCompression */
+    0,				/* cupsRowCount */
+    0,				/* cupsRowFeed */
+    0				/* cupsRowStep */
+  }
+};
+
+/*
+ * Color lookup tables...
+ */
+
+static gx_color_value	lut_color_rgb[256];
+static unsigned char	lut_rgb_color[gx_max_color_value + 1];
+static int		cupsHaveProfile = 0;
+static int		cupsMatrix[3][3][gx_max_color_value + 1];
+static int		cupsDensity[gx_max_color_value + 1];
+static unsigned char	rev_lower1[16] =
+			{
+			  0x00, 0x08, 0x04, 0x0c, 0x02, 0x0a, 0x06, 0x0e,
+			  0x01, 0x09, 0x05, 0x0d, 0x03, 0x0b, 0x07, 0x0f
+			},
+			rev_upper1[16] =
+			{
+			  0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
+			  0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0
+			},
+			rev_lower2[16] = /* 2-bit colors */
+			{
+			  0x00, 0x04, 0x08, 0x0c, 0x01, 0x05, 0x09, 0x0d,
+			  0x02, 0x06, 0x0a, 0x0e, 0x03, 0x07, 0x0b, 0x0f
+			},
+			rev_upper2[16] = /* 2-bit colors */
+			{
+			  0x00, 0x40, 0x80, 0xc0, 0x10, 0x50, 0x90, 0xd0,
+			  0x20, 0x60, 0xa0, 0xe0, 0x30, 0x70, 0xb0, 0xf0
+			};
+
+
+/*
+ * Local functions...
+ */
+
+static void	cups_print_chunked(gx_device_printer *, unsigned char *,
+		                   unsigned char *, int);
+static void	cups_print_banded(gx_device_printer *, unsigned char *,
+		                  unsigned char *, int);
+static void	cups_print_planar(gx_device_printer *, unsigned char *,
+		                  unsigned char *, int);
+
+/*static void	cups_set_margins(gx_device *);*/
+
+
+/*
+ * 'cups_close()' - Close the output file.
+ */
+
+private int
+cups_close(gx_device *pdev)	/* I - Device info */
+{
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_close(%p)\n", pdev);
+#endif /* DEBUG */
+
+  if (cups->stream != NULL)
+  {
+    cupsRasterClose(cups->stream);
+    cups->stream = NULL;
+  }
+
+#if 0 /* Can't do this here because put_params() might close the device */
+  if (cups->ppd != NULL)
+  {
+    ppdClose(cups->ppd);
+    cups->ppd = NULL;
+  }
+#endif /* 0 */
+
+  return (gdev_prn_close(pdev));
+}
+
+
+/*
+ * 'cups_get_matrix()' - Generate the default page matrix.
+ */
+
+private void
+cups_get_matrix(gx_device *pdev,	/* I - Device info */
+                gs_matrix *pmat)	/* O - Physical transform matrix */
+{
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_get_matrix(%p, %p)\n", pdev, pmat);
+#endif /* DEBUG */
+
+ /*
+  * Set the raster width and height...
+  */
+
+  cups->header.cupsWidth  = cups->width;
+  cups->header.cupsHeight = cups->height;
+
+ /*
+  * Set the transform matrix...
+  */
+
+  fprintf(stderr, "DEBUG: cups->header.Duplex = %d\n", cups->header.Duplex);
+  fprintf(stderr, "DEBUG: cups->page = %d\n", cups->page);
+  if (cups->ppd)
+  {
+    fprintf(stderr, "DEBUG: cups->ppd = %p\n", cups->ppd);
+    fprintf(stderr, "DEBUG: cups->ppd->flip_duplex = %d\n", cups->ppd->flip_duplex);
+  }
+
+  if (cups->header.Duplex && !cups->header.Tumble &&
+      cups->ppd && cups->ppd->flip_duplex && !(cups->page & 1))
+  {
+    pmat->xx = (float)cups->header.HWResolution[0] / 72.0;
+    pmat->xy = 0.0;
+    pmat->yx = 0.0;
+    pmat->yy = (float)cups->header.HWResolution[1] / 72.0;
+    pmat->tx = -(float)cups->header.HWResolution[0] * pdev->HWMargins[2] / 72.0;
+    pmat->ty = -(float)cups->header.HWResolution[1] * pdev->HWMargins[3] / 72.0;
+  }
+  else
+  {
+    pmat->xx = (float)cups->header.HWResolution[0] / 72.0;
+    pmat->xy = 0.0;
+    pmat->yx = 0.0;
+    pmat->yy = -(float)cups->header.HWResolution[1] / 72.0;
+    pmat->tx = -(float)cups->header.HWResolution[0] * pdev->HWMargins[0] / 72.0;
+    pmat->ty = (float)cups->header.HWResolution[1] *
+               ((float)cups->header.PageSize[1] - pdev->HWMargins[3]) / 72.0;
+  }
+
+  fprintf(stderr, "DEBUG: width = %d, height = %d\n", cups->width,
+          cups->height);
+  fprintf(stderr, "DEBUG: PageSize = [ %d %d ], HWResolution = [ %d %d ]\n",
+          cups->header.PageSize[0], cups->header.PageSize[1],
+          cups->header.HWResolution[0], cups->header.HWResolution[1]);
+  fprintf(stderr, "DEBUG: HWMargins = [ %.3f %.3f %.3f %.3f ]\n",
+	  pdev->HWMargins[0], pdev->HWMargins[1], pdev->HWMargins[2],
+	  pdev->HWMargins[3]);
+  fprintf(stderr, "DEBUG: matrix = [ %.3f %.3f %.3f %.3f %.3f %.3f ]\n",
+          pmat->xx, pmat->xy, pmat->yx, pmat->yy, pmat->tx, pmat->ty);
+}
+
+
+/*
+ * 'cups_get_params()' - Get pagedevice parameters.
+ */
+
+private int				/* O - Error status */
+cups_get_params(gx_device     *pdev,	/* I - Device info */
+                gs_param_list *plist)	/* I - Parameter list */
+{
+  int			code;		/* Return code */
+  gs_param_string	s;		/* Temporary string value */
+  bool			b;		/* Temporary boolean value */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_get_params(%p, %p)\n", pdev, plist);
+#endif /* DEBUG */
+
+ /*
+  * First process the "standard" page device parameters...
+  */
+
+#ifdef DEBUG
+  fputs("DEBUG: before gdev_prn_get_params()\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = gdev_prn_get_params(pdev, plist)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: after gdev_prn_get_params()\n", stderr);
+#endif /* DEBUG */
+
+ /*
+  * Then write the CUPS parameters...
+  */
+
+#ifdef DEBUG
+  fputs("DEBUG: MediaClass\n", stderr);
+#endif /* DEBUG */
+
+  param_string_from_string(s, cups->header.MediaClass);
+  if ((code = param_write_string(plist, "MediaClass", &s)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: AdvanceDistance\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "AdvanceDistance",
+                              (int *)&(cups->header.AdvanceDistance))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: AdvanceDistance\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "AdvanceMedia",
+                              (int *)&(cups->header.AdvanceMedia))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: Collate\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.Collate;
+  if ((code = param_write_bool(plist, "Collate", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: CutMedia\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "CutMedia",
+                              (int *)&(cups->header.CutMedia))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: InsertSheet\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.InsertSheet;
+  if ((code = param_write_bool(plist, "InsertSheet", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: Jog\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "Jog",
+                              (int *)&(cups->header.Jog))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: LeadingEdge\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "LeadingEdge",
+                              (int *)&(cups->header.LeadingEdge))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: ManualFeed\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.ManualFeed;
+  if ((code = param_write_bool(plist, "ManualFeed", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: MediaPosition\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "MediaPosition",
+                              (int *)&(cups->header.MediaPosition))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: MirrorPrint\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.MirrorPrint;
+  if ((code = param_write_bool(plist, "MirrorPrint", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: NegativePrint\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.NegativePrint;
+  if ((code = param_write_bool(plist, "NegativePrint", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: OutputFaceUp\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.OutputFaceUp;
+  if ((code = param_write_bool(plist, "OutputFaceUp", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: Separations\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.Separations;
+  if ((code = param_write_bool(plist, "Separations", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: TraySwitch\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.TraySwitch;
+  if ((code = param_write_bool(plist, "TraySwitch", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: Tumble\n", stderr);
+#endif /* DEBUG */
+
+  b = cups->header.Tumble;
+  if ((code = param_write_bool(plist, "Tumble", &b)) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsWidth\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsWidth",
+                              (int *)&(cups->header.cupsWidth))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsHeight\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsHeight",
+                              (int *)&(cups->header.cupsHeight))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsMediaType\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsMediaType",
+                              (int *)&(cups->header.cupsMediaType))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsBitsPerColor\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsBitsPerColor",
+                              (int *)&(cups->header.cupsBitsPerColor))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsBitsPerPixel\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsBitsPerPixel",
+                              (int *)&(cups->header.cupsBitsPerPixel))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsBytesPerLine\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsBytesPerLine",
+                              (int *)&(cups->header.cupsBytesPerLine))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsColorOrder\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsColorOrder",
+                              (int *)&(cups->header.cupsColorOrder))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsColorSpace\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsColorSpace",
+                              (int *)&(cups->header.cupsColorSpace))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsCompression\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsCompression",
+                              (int *)&(cups->header.cupsCompression))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsRowCount\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsRowCount",
+                              (int *)&(cups->header.cupsRowCount))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsRowFeed\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsRowFeed",
+                              (int *)&(cups->header.cupsRowFeed))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: cupsRowStep\n", stderr);
+#endif /* DEBUG */
+
+  if ((code = param_write_int(plist, "cupsRowStep",
+                              (int *)&(cups->header.cupsRowStep))) < 0)
+    return (code);
+
+#ifdef DEBUG
+  fputs("DEBUG: Leaving cups_get_params()\n", stderr);
+#endif /* DEBUG */
+
+  return (0);
+}
+
+
+/*
+ * 'cups_map_cmyk_color()' - Map a CMYK color to a color index.
+ *
+ * This function is only called when a 4 or 6 color colorspace is
+ * selected for output.  CMYK colors are *not* corrected but *are*
+ * density adjusted.
+ */
+
+private gx_color_index				/* O - Color index */
+cups_map_cmyk_color(gx_device      *pdev,	/* I - Device info */
+                    gx_color_value c,		/* I - Cyan value */
+                    gx_color_value m,		/* I - Magenta value */
+                    gx_color_value y,		/* I - Yellow value */
+		    gx_color_value k)		/* I - Black value */
+{
+  gx_color_index	i;			/* Temporary index */
+  gx_color_value	ic, im, iy, ik;		/* Integral CMYK values */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_map_cmyk_color(%p, %d, %d, %d, %d)\n", pdev,
+          c, m, y, k);
+#endif /* DEBUG */
+
+ /*
+  * Setup the color info data as needed...
+  */
+
+  if (pdev->color_info.num_components == 0)
+    cups_set_color_info(pdev);
+
+ /*
+  * Density correct...
+  */
+
+  c  = cupsDensity[c];
+  m  = cupsDensity[m];
+  y  = cupsDensity[y];
+  k  = cupsDensity[k];
+
+  ic = lut_rgb_color[c];
+  im = lut_rgb_color[m];
+  iy = lut_rgb_color[y];
+  ik = lut_rgb_color[k];
+
+ /*
+  * Convert the CMYK color to a color index...
+  */
+
+  switch (cups->header.cupsColorSpace)
+  {
+    default :
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((ic << 1) | im) << 1) | iy) << 1) | ik;
+              break;
+          case 2 :
+              i = (((((ic << 2) | im) << 2) | iy) << 2) | ik;
+              break;
+          case 4 :
+              i = (((((ic << 4) | im) << 4) | iy) << 4) | ik;
+              break;
+          case 8 :
+              i = (((((ic << 8) | im) << 8) | iy) << 8) | ik;
+              break;
+        }
+        break;
+
+    case CUPS_CSPACE_YMCK :
+    case CUPS_CSPACE_GMCK :
+    case CUPS_CSPACE_GMCS :
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((iy << 1) | im) << 1) | ic) << 1) | ik;
+              break;
+          case 2 :
+              i = (((((iy << 2) | im) << 2) | ic) << 2) | ik;
+              break;
+          case 4 :
+              i = (((((iy << 4) | im) << 4) | ic) << 4) | ik;
+              break;
+          case 8 :
+              i = (((((iy << 8) | im) << 8) | ic) << 8) | ik;
+              break;
+        }
+        break;
+
+    case CUPS_CSPACE_KCMYcm :
+        if (cups->header.cupsBitsPerColor == 1)
+	{
+	  if (ik)
+	    i = 32;
+	  else
+	    i = 0;
+
+	  if (ic && im)
+	    i |= 17;
+	  else if (ic && iy)
+	    i |= 6;
+	  else if (im && iy)
+	    i |= 12;
+	  else if (ic)
+	    i |= 16;
+	  else if (im)
+	    i |= 8;
+	  else if (iy)
+	    i |= 4;
+	  break;
+	}
+
+    case CUPS_CSPACE_KCMY :
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((ik << 1) | ic) << 1) | im) << 1) | iy;
+              break;
+          case 2 :
+              i = (((((ik << 2) | ic) << 2) | im) << 2) | iy;
+              break;
+          case 4 :
+              i = (((((ik << 4) | ic) << 4) | im) << 4) | iy;
+              break;
+          case 8 :
+              i = (((((ik << 8) | ic) << 8) | im) << 8) | iy;
+              break;
+        }
+        break;
+  }
+
+  if (gs_log_errors > 1)
+    fprintf(stderr, "DEBUG: CMYK (%d,%d,%d,%d) -> CMYK %8x (%d,%d,%d,%d)\n",
+	    c, m, y, k, i, ic, im, iy, ik);
+
+  return (i);
+}
+    
+
+/*
+ * 'cups_map_color_rgb()' - Map a color index to an RGB color.
+ */
+
+private int
+cups_map_color_rgb(gx_device      *pdev,	/* I - Device info */
+                   gx_color_index color,	/* I - Color index */
+		   gx_color_value prgb[3])	/* O - RGB values */
+{
+  unsigned char		c0, c1, c2, c3;		/* Color index components */
+  gx_color_value	k, divk;		/* Black & divisor */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_map_color_rgb(%p, %d, %8x)\n", pdev,
+          color, prgb);
+#endif /* DEBUG */
+
+ /*
+  * Setup the color info data as needed...
+  */
+
+  if (pdev->color_info.num_components == 0)
+    cups_set_color_info(pdev);
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: COLOR %8x = ", color);
+#endif /* DEBUG */
+
+ /*
+  * Extract the color components from the color index...
+  */
+
+  switch (cups->header.cupsBitsPerColor)
+  {
+    default :
+        c3 = color & 1;
+        color >>= 1;
+        c2 = color & 1;
+        color >>= 1;
+        c1 = color & 1;
+        color >>= 1;
+        c0 = color;
+        break;
+    case 2 :
+        c3 = color & 3;
+        color >>= 2;
+        c2 = color & 3;
+        color >>= 2;
+        c1 = color & 3;
+        color >>= 2;
+        c0 = color;
+        break;
+    case 4 :
+        c3 = color & 15;
+        color >>= 4;
+        c2 = color & 15;
+        color >>= 4;
+        c1 = color & 15;
+        color >>= 4;
+        c0 = color;
+        break;
+    case 8 :
+        c3 = color & 255;
+        color >>= 8;
+        c2 = color & 255;
+        color >>= 8;
+        c1 = color & 255;
+        color >>= 8;
+        c0 = color;
+        break;
+  }
+
+ /*
+  * Convert the color components to RGB...
+  */
+
+  switch (cups->header.cupsColorSpace)
+  {
+    case CUPS_CSPACE_K :
+    case CUPS_CSPACE_WHITE :
+    case CUPS_CSPACE_GOLD :
+    case CUPS_CSPACE_SILVER :
+        prgb[0] =
+        prgb[1] =
+        prgb[2] = lut_color_rgb[c3];
+        break;
+
+    case CUPS_CSPACE_W :
+        prgb[0] =
+        prgb[1] =
+        prgb[2] = lut_color_rgb[c3];
+        break;
+
+    case CUPS_CSPACE_RGB :
+        prgb[0] = lut_color_rgb[c1];
+        prgb[1] = lut_color_rgb[c2];
+        prgb[2] = lut_color_rgb[c3];
+        break;
+
+    case CUPS_CSPACE_RGBA :
+        prgb[0] = lut_color_rgb[c0];
+        prgb[1] = lut_color_rgb[c1];
+        prgb[2] = lut_color_rgb[c2];
+        break;
+
+    case CUPS_CSPACE_CMY :
+        prgb[0] = lut_color_rgb[c1];
+        prgb[1] = lut_color_rgb[c2];
+        prgb[2] = lut_color_rgb[c3];
+        break;
+
+    case CUPS_CSPACE_YMC :
+        prgb[0] = lut_color_rgb[c3];
+        prgb[1] = lut_color_rgb[c2];
+        prgb[2] = lut_color_rgb[c1];
+        break;
+
+    case CUPS_CSPACE_KCMY :
+    case CUPS_CSPACE_KCMYcm :
+        k    = lut_color_rgb[c0];
+        divk = gx_max_color_value - k;
+        if (divk == 0)
+        {
+          prgb[0] = 0;
+          prgb[1] = 0;
+          prgb[2] = 0;
+        }
+        else
+        {
+          prgb[0] = gx_max_color_value + divk -
+                    gx_max_color_value * c1 / divk;
+          prgb[1] = gx_max_color_value + divk -
+                    gx_max_color_value * c2 / divk;
+          prgb[2] = gx_max_color_value + divk -
+                    gx_max_color_value * c3 / divk;
+        }
+        break;
+
+    case CUPS_CSPACE_CMYK :
+        k    = lut_color_rgb[c3];
+        divk = gx_max_color_value - k;
+        if (divk == 0)
+        {
+          prgb[0] = 0;
+          prgb[1] = 0;
+          prgb[2] = 0;
+        }
+        else
+        {
+          prgb[0] = gx_max_color_value + divk -
+                    gx_max_color_value * c0 / divk;
+          prgb[1] = gx_max_color_value + divk -
+                    gx_max_color_value * c1 / divk;
+          prgb[2] = gx_max_color_value + divk -
+                    gx_max_color_value * c2 / divk;
+        }
+        break;
+
+    case CUPS_CSPACE_YMCK :
+    case CUPS_CSPACE_GMCK :
+    case CUPS_CSPACE_GMCS :
+        k    = lut_color_rgb[c3];
+        divk = gx_max_color_value - k;
+        if (divk == 0)
+        {
+          prgb[0] = 0;
+          prgb[1] = 0;
+          prgb[2] = 0;
+        }
+        else
+        {
+          prgb[0] = gx_max_color_value + divk -
+                    gx_max_color_value * c2 / divk;
+          prgb[1] = gx_max_color_value + divk -
+                    gx_max_color_value * c1 / divk;
+          prgb[2] = gx_max_color_value + divk -
+                    gx_max_color_value * c0 / divk;
+        }
+        break;
+  }
+
+#ifdef DEBUG
+  fprintf(stderr, "%d,%d,%d\n", prgb[0], prgb[1], prgb[2]);
+#endif /* DEBUG */
+
+  return (0);
+}
+
+
+/*
+ * 'cups_map_rgb_color()' - Map an RGB color to a color index.  We map the
+ *                          RGB color to the output colorspace & bits (we
+ *                          figure out the format when we output a page).
+ */
+
+private gx_color_index				/* O - Color index */
+cups_map_rgb_color(gx_device      *pdev,	/* I - Device info */
+                   gx_color_value r,		/* I - Red value */
+                   gx_color_value g,		/* I - Green value */
+                   gx_color_value b)		/* I - Blue value */
+{
+  gx_color_index	i;			/* Temporary index */
+  gx_color_value	ic, im, iy, ik;		/* Integral CMYK values */
+  gx_color_value	mk;			/* Maximum K value */
+  int			tc, tm, ty;		/* Temporary color values */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_map_rgb_color(%p, %d, %d, %d)\n", pdev, r, g, b);
+#endif /* DEBUG */
+
+ /*
+  * Setup the color info data as needed...
+  */
+
+  if (pdev->color_info.num_components == 0)
+    cups_set_color_info(pdev);
+
+ /*
+  * Do color correction as needed...
+  */
+
+  if (cupsHaveProfile)
+  {
+   /*
+    * Compute CMYK values...
+    */
+
+    ic = gx_max_color_value - r;
+    im = gx_max_color_value - g;
+    iy = gx_max_color_value - b;
+    ik = min(ic, min(im, iy));
+
+    if ((mk = max(ic, max(im, iy))) > ik)
+      ik = (int)((float)ik * (float)ik * (float)ik / ((float)mk * (float)mk));
+
+    ic -= ik;
+    im -= ik;
+    iy -= ik;
+
+   /*
+    * Color correct CMY...
+    */
+
+    tc = cupsMatrix[0][0][ic] +
+         cupsMatrix[0][1][im] +
+	 cupsMatrix[0][2][iy] +
+	 ik;
+    tm = cupsMatrix[1][0][ic] +
+         cupsMatrix[1][1][im] +
+	 cupsMatrix[1][2][iy] +
+	 ik;
+    ty = cupsMatrix[2][0][ic] +
+         cupsMatrix[2][1][im] +
+	 cupsMatrix[2][2][iy] +
+	 ik;
+
+   /*
+    * Density correct combined CMYK...
+    */
+
+    if (tc < 0)
+      r = gx_max_color_value;
+    else if (tc > gx_max_color_value)
+      r = gx_max_color_value - cupsDensity[gx_max_color_value];
+    else
+      r = gx_max_color_value - cupsDensity[tc];
+
+    if (tm < 0)
+      g = gx_max_color_value;
+    else if (tm > gx_max_color_value)
+      g = gx_max_color_value - cupsDensity[gx_max_color_value];
+    else
+      g = gx_max_color_value - cupsDensity[tm];
+
+    if (ty < 0)
+      b = gx_max_color_value;
+    else if (ty > gx_max_color_value)
+      b = gx_max_color_value - cupsDensity[gx_max_color_value];
+    else
+      b = gx_max_color_value - cupsDensity[ty];
+  }
+    
+ /*
+  * Convert the RGB color to a color index...
+  */
+
+  switch (cups->header.cupsColorSpace)
+  {
+    case CUPS_CSPACE_W :
+        i = lut_rgb_color[(r * 31 + g * 61 + b * 8) / 100];
+        break;
+
+    case CUPS_CSPACE_RGB :
+        ic = lut_rgb_color[r];
+        im = lut_rgb_color[g];
+        iy = lut_rgb_color[b];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((ic << 1) | im) << 1) | iy;
+              break;
+          case 2 :
+              i = (((ic << 2) | im) << 2) | iy;
+              break;
+          case 4 :
+              i = (((ic << 4) | im) << 4) | iy;
+              break;
+          case 8 :
+              i = (((ic << 8) | im) << 8) | iy;
+              break;
+        }
+        break;
+
+    case CUPS_CSPACE_RGBA :
+        ic = lut_rgb_color[r];
+        im = lut_rgb_color[g];
+        iy = lut_rgb_color[b];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((ic << 1) | im) << 1) | iy) << 1) | 0x01;
+              break;
+          case 2 :
+              i = (((((ic << 2) | im) << 2) | iy) << 2) | 0x03;
+              break;
+          case 4 :
+              i = (((((ic << 4) | im) << 4) | iy) << 4) | 0x0f;
+              break;
+          case 8 :
+              i = (((((ic << 8) | im) << 8) | iy) << 8) | 0xff;
+              break;
+        }
+        break;
+
+    default :
+        i = lut_rgb_color[gx_max_color_value - (r * 31 + g * 61 + b * 8) / 100];
+        break;
+
+    case CUPS_CSPACE_CMY :
+        ic = lut_rgb_color[gx_max_color_value - r];
+        im = lut_rgb_color[gx_max_color_value - g];
+        iy = lut_rgb_color[gx_max_color_value - b];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((ic << 1) | im) << 1) | iy;
+              break;
+          case 2 :
+              i = (((ic << 2) | im) << 2) | iy;
+              break;
+          case 4 :
+              i = (((ic << 4) | im) << 4) | iy;
+              break;
+          case 8 :
+              i = (((ic << 8) | im) << 8) | iy;
+              break;
+        }
+        break;
+
+    case CUPS_CSPACE_YMC :
+        ic = lut_rgb_color[gx_max_color_value - r];
+        im = lut_rgb_color[gx_max_color_value - g];
+        iy = lut_rgb_color[gx_max_color_value - b];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((iy << 1) | im) << 1) | ic;
+              break;
+          case 2 :
+              i = (((iy << 2) | im) << 2) | ic;
+              break;
+          case 4 :
+              i = (((iy << 4) | im) << 4) | ic;
+              break;
+          case 8 :
+              i = (((iy << 8) | im) << 8) | ic;
+              break;
+        }
+        break;
+
+    case CUPS_CSPACE_CMYK :
+	ic = gx_max_color_value - r;
+	im = gx_max_color_value - g;
+	iy = gx_max_color_value - b;
+        ik = min(ic, min(im, iy));
+
+	if ((mk = max(ic, max(im, iy))) > ik)
+	  ik = (int)((float)ik * (float)ik * (float)ik /
+	             ((float)mk * (float)mk));
+
+        ic = lut_rgb_color[ic - ik];
+        im = lut_rgb_color[im - ik];
+        iy = lut_rgb_color[iy - ik];
+        ik = lut_rgb_color[ik];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((ic << 1) | im) << 1) | iy) << 1) | ik;
+              break;
+          case 2 :
+              i = (((((ic << 2) | im) << 2) | iy) << 2) | ik;
+              break;
+          case 4 :
+              i = (((((ic << 4) | im) << 4) | iy) << 4) | ik;
+              break;
+          case 8 :
+              i = (((((ic << 8) | im) << 8) | iy) << 8) | ik;
+              break;
+        }
+
+        if (gs_log_errors > 1)
+	  fprintf(stderr, "DEBUG: CMY (%d,%d,%d) -> CMYK %8x (%d,%d,%d,%d)\n",
+	          r, g, b, i, ic, im, iy, ik);
+        break;
+
+    case CUPS_CSPACE_YMCK :
+    case CUPS_CSPACE_GMCK :
+    case CUPS_CSPACE_GMCS :
+	ic = gx_max_color_value - r;
+	im = gx_max_color_value - g;
+	iy = gx_max_color_value - b;
+        ik = min(ic, min(im, iy));
+
+	if ((mk = max(ic, max(im, iy))) > ik)
+	  ik = (int)((float)ik * (float)ik * (float)ik /
+	             ((float)mk * (float)mk));
+
+        ic = lut_rgb_color[ic - ik];
+        im = lut_rgb_color[im - ik];
+        iy = lut_rgb_color[iy - ik];
+        ik = lut_rgb_color[ik];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((iy << 1) | im) << 1) | ic) << 1) | ik;
+              break;
+          case 2 :
+              i = (((((iy << 2) | im) << 2) | ic) << 2) | ik;
+              break;
+          case 4 :
+              i = (((((iy << 4) | im) << 4) | ic) << 4) | ik;
+              break;
+          case 8 :
+              i = (((((iy << 8) | im) << 8) | ic) << 8) | ik;
+              break;
+        }
+        break;
+
+    case CUPS_CSPACE_KCMYcm :
+        if (cups->header.cupsBitsPerColor == 1)
+	{
+	  ic = gx_max_color_value - r;
+	  im = gx_max_color_value - g;
+	  iy = gx_max_color_value - b;
+          ik = min(ic, min(im, iy));
+
+	  if ((mk = max(ic, max(im, iy))) > ik)
+	    ik = (int)((float)ik * (float)ik * (float)ik /
+	               ((float)mk * (float)mk));
+
+          ic = lut_rgb_color[ic - ik];
+          im = lut_rgb_color[im - ik];
+          iy = lut_rgb_color[iy - ik];
+          ik = lut_rgb_color[ik];
+	  if (ik)
+	    i = 32;
+	  else if (ic && im)
+	    i = 17;
+	  else if (ic && iy)
+	    i = 6;
+	  else if (im && iy)
+	    i = 12;
+	  else if (ic)
+	    i = 16;
+	  else if (im)
+	    i = 8;
+	  else if (iy)
+	    i = 4;
+	  else
+	    i = 0;
+	  break;
+	}
+
+    case CUPS_CSPACE_KCMY :
+	ic = gx_max_color_value - r;
+	im = gx_max_color_value - g;
+	iy = gx_max_color_value - b;
+        ik = min(ic, min(im, iy));
+
+	if ((mk = max(ic, max(im, iy))) > ik)
+	  ik = (int)((float)ik * (float)ik * (float)ik /
+	             ((float)mk * (float)mk));
+
+        ic = lut_rgb_color[ic - ik];
+        im = lut_rgb_color[im - ik];
+        iy = lut_rgb_color[iy - ik];
+        ik = lut_rgb_color[ik];
+
+        switch (cups->header.cupsBitsPerColor)
+        {
+          default :
+              i = (((((ik << 1) | ic) << 1) | im) << 1) | iy;
+              break;
+          case 2 :
+              i = (((((ik << 2) | ic) << 2) | im) << 2) | iy;
+              break;
+          case 4 :
+              i = (((((ik << 4) | ic) << 4) | im) << 4) | iy;
+              break;
+          case 8 :
+              i = (((((ik << 8) | ic) << 8) | im) << 8) | iy;
+              break;
+        }
+        break;
+  }
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: RGB %d,%d,%d = %8x\n", r, g, b, i);
+#endif /* DEBUG */
+
+  return (i);
+}
+    
+
+/*
+ * 'cups_open()' - Open the output file and initialize things.
+ */
+
+private int			/* O - Error status */
+cups_open(gx_device *pdev)	/* I - Device info */
+{
+  int	code;			/* Return status */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_open(%p)\n", pdev);
+#endif /* DEBUG */
+
+  if (cups->page == 0)
+  {
+    fputs("INFO: Processing page 1...\n", stderr);
+    cups->page = 1;
+  }
+
+  if (pdev->color_info.num_components == 0)
+    cups_set_color_info(pdev);
+
+  if ((code = gdev_prn_open(pdev)) != 0)
+    return (code);
+
+  if (cups->ppd == NULL)
+    cups->ppd = ppdOpenFile(getenv("PPD"));
+
+  return (0);
+}
+
+
+/*
+ * 'cups_print_pages()' - Send one or more pages to the output file.
+ */
+
+private int					/* O - 0 if everything is OK */
+cups_print_pages(gx_device_printer *pdev,	/* I - Device info */
+                 FILE              *fp,		/* I - Output file */
+		 int               num_copies)	/* I - Number of copies */
+{
+  int		copy;		/* Copy number */
+  int		srcbytes;	/* Byte width of scanline */
+  unsigned char	*src,		/* Scanline data */
+		*dst;		/* Bitmap data */
+
+
+  (void)fp; /* reference unused file pointer to prevent compiler warning */
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_print_pages(%p, %p, %d)\n", pdev, fp,
+          num_copies);
+#endif /* DEBUG */
+
+ /*
+  * Figure out the number of bytes per line...
+  */
+
+  switch (cups->header.cupsColorOrder)
+  {
+    case CUPS_ORDER_CHUNKED :
+        cups->header.cupsBytesPerLine = (cups->header.cupsBitsPerPixel *
+	                                 cups->header.cupsWidth + 7) / 8;
+        break;
+
+    case CUPS_ORDER_BANDED :
+        if (cups->header.cupsColorSpace == CUPS_CSPACE_KCMYcm &&
+	    cups->header.cupsBitsPerColor == 1)
+          cups->header.cupsBytesPerLine = (cups->header.cupsBitsPerColor *
+                                           cups->header.cupsWidth + 7) / 8 * 6;
+        else
+          cups->header.cupsBytesPerLine = (cups->header.cupsBitsPerColor *
+                                           cups->header.cupsWidth + 7) / 8 *
+				          cups->color_info.num_components;
+        break;
+
+    case CUPS_ORDER_PLANAR :
+        cups->header.cupsBytesPerLine = (cups->header.cupsBitsPerColor *
+	                                 cups->header.cupsWidth + 7) / 8;
+        break;
+  }
+
+ /*
+  * Compute the width of a scanline and allocate input/output buffers...
+  */
+
+  srcbytes = gdev_prn_raster(pdev);
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d, cupsWidth = %d, cupsBytesPerLine = %d, srcbytes = %d\n",
+          cups->header.cupsBitsPerPixel, cups->header.cupsWidth,
+	  cups->header.cupsBytesPerLine, srcbytes);
+#endif /* DEBUG */
+
+  src = (unsigned char *)gs_malloc(srcbytes, 1, "cups_print_pages");
+
+  if (src == NULL)	/* can't allocate input buffer */
+    return_error(gs_error_VMerror);
+
+ /*
+  * Need an output buffer, too...
+  */
+
+  dst = (unsigned char *)gs_malloc(cups->header.cupsBytesPerLine, 2,
+                                   "cups_print_pages");
+
+  if (dst == NULL)	/* can't allocate working area */
+    return_error(gs_error_VMerror);
+
+ /*
+  * See if the stream has been initialized yet...
+  */
+
+  if (cups->stream == NULL)
+  {
+    if ((cups->stream = cupsRasterOpen(1, CUPS_RASTER_WRITE)) == NULL)
+    {
+      perror("ERROR: Unable to open raster stream - ");
+      gs_exit(0);
+    }
+  }
+
+ /*
+  * Output a page of graphics...
+  */
+
+  if (num_copies < 1)
+    num_copies = 1;
+
+  if (cups->ppd != NULL && !cups->ppd->manual_copies)
+  {
+    cups->header.NumCopies = num_copies;
+    num_copies = 1;
+  }
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cupsWidth = %d, cupsHeight = %d, cupsBytesPerLine = %d\n",
+          cups->header.cupsWidth, cups->header.cupsHeight,
+	  cups->header.cupsBytesPerLine);
+#endif /* DEBUG */
+
+  for (copy = num_copies; copy > 0; copy --)
+  {
+    cupsRasterWriteHeader(cups->stream, &(cups->header));
+
+    if (pdev->color_info.num_components == 1)
+      cups_print_chunked(pdev, src, dst, srcbytes);
+    else
+      switch (cups->header.cupsColorOrder)
+      {
+	case CUPS_ORDER_CHUNKED :
+            cups_print_chunked(pdev, src, dst, srcbytes);
+	    break;
+	case CUPS_ORDER_BANDED :
+            cups_print_banded(pdev, src, dst, srcbytes);
+	    break;
+	case CUPS_ORDER_PLANAR :
+            cups_print_planar(pdev, src, dst, srcbytes);
+	    break;
+      }
+  }
+
+ /*
+  * Free temporary storage and return...
+  */
+
+  gs_free((char *)src, srcbytes, 1, "cups_print_pages");
+  gs_free((char *)dst, cups->header.cupsBytesPerLine, 1, "cups_print_pages");
+
+  cups->page ++;
+  fprintf(stderr, "INFO: Processing page %d...\n", cups->page);
+
+  return (0);
+}
+
+
+/*
+ * 'cups_put_params()' - Set pagedevice parameters.
+ */
+
+private int				/* O - Error status */
+cups_put_params(gx_device     *pdev,	/* I - Device info */
+                gs_param_list *plist)	/* I - Parameter list */
+{
+  int			i;		/* Looping var */
+  float			margins[4];	/* Physical margins of print */
+  ppd_size_t		*size;		/* Page size */
+  int			code;		/* Error code */
+  int			intval;		/* Integer value */
+  bool			boolval;	/* Boolean value */
+  float			floatval;	/* Floating point value */
+  gs_param_string	stringval;	/* String value */
+  gs_param_float_array	arrayval;	/* Float array value */
+  int			old_depth;	/* Old color depth */
+  int			size_set;	/* Was the size set? */
+  gdev_prn_space_params	sp;		/* Space parameter data */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_put_params(%p, %p)\n", pdev, plist);
+#endif /* DEBUG */
+
+ /*
+  * Process other options for CUPS...
+  */
+
+#define stringoption(name, sname) \
+  if ((code = param_read_string(plist, sname, &stringval)) < 0) \
+  { \
+    param_signal_error(plist, sname, code); \
+    return (code); \
+  } \
+  else if (code == 0) \
+  { \
+    strncpy(cups->header.name, (const char *)stringval.data, \
+            stringval.size); \
+    cups->header.name[stringval.size] = '\0'; \
+  }
+
+#define intoption(name, sname, type) \
+  if ((code = param_read_int(plist, sname, &intval)) < 0) \
+  { \
+    param_signal_error(plist, sname, code); \
+    return (code); \
+  } \
+  else if (code == 0) \
+  { \
+    fprintf(stderr, "DEBUG: Setting %s to %d...\n", sname, intval); \
+    cups->header.name = (type)intval; \
+  }
+
+#define floatoption(name, sname) \
+  if ((code = param_read_float(plist, sname, &floatval)) < 0) \
+  { \
+    param_signal_error(plist, sname, code); \
+    return (code); \
+  } \
+  else if (code == 0) \
+    cups->header.name = (unsigned)floatval;
+
+#define booloption(name, sname) \
+  if ((code = param_read_bool(plist, sname, &boolval)) < 0) \
+  { \
+    if ((code = param_read_null(plist, sname)) < 0) \
+    { \
+      param_signal_error(plist, sname, code); \
+      return (code); \
+    } \
+    if (code == 0) \
+      cups->header.name = CUPS_FALSE; \
+  } \
+  else if (code == 0) \
+    cups->header.name = (cups_bool_t)boolval;
+
+#define arrayoption(name, sname, count) \
+  if ((code = param_read_float_array(plist, sname, &arrayval)) < 0) \
+  { \
+    if ((code = param_read_null(plist, sname)) < 0) \
+    { \
+      param_signal_error(plist, sname, code); \
+      return (code); \
+    } \
+    if (code == 0) \
+      for (i = 0; i < count; i ++) \
+	cups->header.name[i] = 0; \
+  } \
+  else if (code == 0) \
+  { \
+    for (i = 0; i < count; i ++) \
+      cups->header.name[i] = (unsigned)arrayval.data[i]; \
+  }
+
+  old_depth = pdev->color_info.depth;
+  size_set  = param_read_float_array(plist, "PageSize", &arrayval) == 0;
+
+  stringoption(MediaClass, "MediaClass")
+  stringoption(MediaColor, "MediaColor")
+  stringoption(MediaType, "MediaType")
+  stringoption(OutputType, "OutputType")
+  floatoption(AdvanceDistance, "AdvanceDistance")
+  intoption(AdvanceMedia, "AdvanceMedia", cups_adv_t)
+  booloption(Collate, "Collate")
+  intoption(CutMedia, "CutMedia", cups_cut_t)
+  booloption(Duplex, "Duplex")
+  arrayoption(ImagingBoundingBox, "ImagingBoundingBox", 4)
+  booloption(InsertSheet, "InsertSheet")
+  intoption(Jog, "Jog", cups_jog_t)
+  intoption(LeadingEdge, "LeadingEdge", cups_edge_t)
+  arrayoption(Margins, "Margins", 2)
+  booloption(ManualFeed, "ManualFeed")
+  intoption(MediaPosition, "cupsMediaPosition", unsigned) /* Compatibility */
+  intoption(MediaPosition, "MediaPosition", unsigned)
+  floatoption(MediaWeight, "MediaWeight")
+  booloption(MirrorPrint, "MirrorPrint")
+  booloption(NegativePrint, "NegativePrint")
+  intoption(NumCopies, "NumCopies", unsigned)
+  intoption(Orientation, "Orientation", cups_orient_t)
+  booloption(OutputFaceUp, "OutputFaceUp")
+  booloption(Separations, "Separations")
+  booloption(TraySwitch, "TraySwitch")
+  booloption(Tumble, "Tumble")
+  intoption(cupsMediaType, "cupsMediaType", unsigned)
+  intoption(cupsBitsPerColor, "cupsBitsPerColor", unsigned)
+  intoption(cupsColorOrder, "cupsColorOrder", cups_order_t)
+  intoption(cupsColorSpace, "cupsColorSpace", cups_cspace_t)
+  intoption(cupsCompression, "cupsCompression", unsigned)
+  intoption(cupsRowCount, "cupsRowCount", unsigned)
+  intoption(cupsRowFeed, "cupsRowFeed", unsigned)
+  intoption(cupsRowStep, "cupsRowStep", unsigned)
+
+  cups_set_color_info(pdev);
+
+ /*
+  * Compute the page margins...
+  */
+
+  if (cups->ppd != NULL)
+  {
+   /*
+    * Pull the margins from the first size entry; since the margins are not
+    * like the bounding box we have to adjust the top and right values
+    * accordingly.
+    */
+
+    for (i = cups->ppd->num_sizes, size = cups->ppd->sizes;
+         i > 0;
+         i --, size ++)
+      if ((fabs(cups->PageSize[1] - size->length) < 18.0 &&
+           fabs(cups->PageSize[0] - size->width) < 18.0) ||
+          (fabs(cups->PageSize[0] - size->length) < 18.0 &&
+           fabs(cups->PageSize[1] - size->width) < 18.0))
+	break;
+
+    if (i == 0 && !cups->ppd->variable_sizes)
+    {
+      i    = 1;
+      size = cups->ppd->sizes;
+    }
+
+    if (i > 0)
+    {
+     /*
+      * Standard size...
+      */
+
+      fprintf(stderr, "DEBUG: size = %s\n", size->name);
+
+      margins[0] = size->left / 72.0;
+      margins[1] = size->bottom / 72.0;
+      margins[2] = (size->width - size->right) / 72.0;
+      margins[3] = (size->length - size->top) / 72.0;
+    }
+    else
+    {
+     /*
+      * Custom size...
+      */
+
+      fputs("DEBUG: size = Custom\n", stderr);
+
+      for (i = 0; i < 4; i ++)
+        margins[i] = cups->ppd->custom_margins[i] / 72.0;
+    }
+
+    fprintf(stderr, "DEBUG: margins[] = [ %f %f %f %f ]\n",
+	    margins[0], margins[1], margins[2], margins[3]);
+  }
+  else
+  {
+   /*
+    * Set default margins of 0.0...
+    */
+
+    memset(margins, 0, sizeof(margins));
+  }
+
+ /*
+  * Set the margins to update the bitmap size...
+  */
+
+  gx_device_set_margins(pdev, margins, false);
+
+ /*
+  * Then process standard page device options...
+  */
+
+  if ((code = gdev_prn_put_params(pdev, plist)) < 0)
+    return (code);
+
+  cups->header.HWResolution[0] = pdev->HWResolution[0];
+  cups->header.HWResolution[1] = pdev->HWResolution[1];
+
+  cups->header.Margins[0] = 72.0 * margins[0];
+  cups->header.Margins[1] = 72.0 * margins[1];
+
+  cups->header.PageSize[0] = pdev->PageSize[0];
+  cups->header.PageSize[1] = pdev->PageSize[1];
+
+ /*
+  * Reallocate memory if the size or color depth was changed...
+  */
+
+  if (old_depth != pdev->color_info.depth || size_set)
+  {
+    fputs("DEBUG: Reallocating memory...\n", stderr);
+    sp = ((gx_device_printer *)pdev)->space_params;
+
+    if ((code = gdev_prn_reallocate_memory(pdev, &sp, pdev->width,
+                                           pdev->height)) < 0)
+      return (code);
+  }
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: ppd = %8x\n", cups->ppd);
+  fprintf(stderr, "DEBUG: PageSize = [ %.3f %.3f ]\n",
+          pdev->PageSize[0], pdev->PageSize[1]);
+  fprintf(stderr, "DEBUG: margins = [ %.3f %.3f %.3f %.3f ]\n",
+          margins[0], margins[1], margins[2], margins[3]);
+  fprintf(stderr, "DEBUG: HWResolution = [ %.3f %.3f ]\n",
+          pdev->HWResolution[0], pdev->HWResolution[1]);
+  fprintf(stderr, "DEBUG: width = %d, height = %d\n",
+          pdev->width, pdev->height);
+  fprintf(stderr, "DEBUG: HWMargins = [ %.3f %.3f %.3f %.3f ]\n",
+          pdev->HWMargins[0], pdev->HWMargins[1],
+	  pdev->HWMargins[2], pdev->HWMargins[3]);
+#endif /* DEBUG */
+
+  return (0);
+}
+
+
+/*
+ * 'cups_set_color_info()' - Set the color information structure based on
+ *                           the required output.
+ */
+
+private void
+cups_set_color_info(gx_device *pdev)	/* I - Device info */
+{
+  int		i, j, k;		/* Looping vars */
+  float		d, g;			/* Density and gamma correction */
+  float		m[3][3];		/* Color correction matrix */
+  char		resolution[41];		/* Resolution string */
+  ppd_profile_t	*profile;		/* Color profile information */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: cups_set_color_info(%p)\n", pdev);
+#endif /* DEBUG */
+
+  switch (cups->header.cupsColorSpace)
+  {
+    default :
+    case CUPS_CSPACE_W :
+    case CUPS_CSPACE_K :
+    case CUPS_CSPACE_WHITE :
+    case CUPS_CSPACE_GOLD :
+    case CUPS_CSPACE_SILVER :
+        cups->header.cupsBitsPerPixel   = cups->header.cupsBitsPerColor;
+        cups->color_info.depth          = cups->header.cupsBitsPerPixel;
+        cups->color_info.num_components = 1;
+        break;
+
+    case CUPS_CSPACE_CMY :
+    case CUPS_CSPACE_YMC :
+    case CUPS_CSPACE_RGB :
+        if (cups->header.cupsColorOrder != CUPS_ORDER_CHUNKED)
+          cups->header.cupsBitsPerPixel = cups->header.cupsBitsPerColor;
+	else if (cups->header.cupsBitsPerColor < 8)
+	  cups->header.cupsBitsPerPixel = 4 * cups->header.cupsBitsPerColor;
+	else
+	  cups->header.cupsBitsPerPixel = 3 * cups->header.cupsBitsPerColor;
+
+	if (cups->header.cupsBitsPerColor < 8)
+	  cups->color_info.depth = 4 * cups->header.cupsBitsPerColor;
+	else
+	  cups->color_info.depth = 3 * cups->header.cupsBitsPerColor;
+
+        cups->color_info.num_components = 3;
+        break;
+
+    case CUPS_CSPACE_KCMYcm :
+        if (cups->header.cupsBitsPerColor == 1)
+	{
+	  cups->header.cupsBitsPerPixel   = 8;
+	  cups->color_info.depth          = 8;
+	  cups->color_info.num_components = 4;
+	  break;
+	}
+
+    case CUPS_CSPACE_CMYK :
+    case CUPS_CSPACE_YMCK :
+    case CUPS_CSPACE_KCMY :
+    case CUPS_CSPACE_GMCK :
+    case CUPS_CSPACE_GMCS :
+        if (cups->header.cupsColorOrder != CUPS_ORDER_CHUNKED)
+          cups->header.cupsBitsPerPixel = cups->header.cupsBitsPerColor;
+	else
+	  cups->header.cupsBitsPerPixel = 4 * cups->header.cupsBitsPerColor;
+
+        cups->color_info.depth          = 4 * cups->header.cupsBitsPerColor;
+        cups->color_info.num_components = 4;
+        break;
+  }
+
+  if (cups->color_info.num_components > 1)
+  {
+    cups->color_info.max_gray      = (1 << cups->header.cupsBitsPerColor) - 1;
+    cups->color_info.max_color     = (1 << cups->header.cupsBitsPerColor) - 1;
+    cups->color_info.dither_grays  = (1 << cups->header.cupsBitsPerColor);
+    cups->color_info.dither_colors = (1 << cups->header.cupsBitsPerColor);
+  }
+  else
+  {
+    cups->color_info.max_gray      = (1 << cups->header.cupsBitsPerColor) - 1;
+    cups->color_info.max_color     = 0;
+    cups->color_info.dither_grays  = (1 << cups->header.cupsBitsPerColor);
+    cups->color_info.dither_colors = 0;
+  }
+
+ /*
+  * Enable/disable CMYK color support...
+  */
+
+  if (cups->color_info.num_components == 4)
+    cups->procs.map_cmyk_color = cups_map_cmyk_color;
+  else
+    cups->procs.map_cmyk_color = NULL;
+
+ /*
+  * Compute the lookup tables...
+  */
+
+  for (i = 0; i <= gx_max_color_value; i ++)
+    lut_rgb_color[i] = cups->color_info.max_gray * i / gx_max_color_value;
+
+  for (i = 0; i < cups->color_info.dither_grays; i ++)
+    lut_color_rgb[i] = gx_max_color_value * i / cups->color_info.max_gray;
+
+#ifdef DEBUG
+  fprintf(stderr, "DEBUG: num_components = %d, depth = %d\n",
+          cups->color_info.num_components, cups->color_info.depth);
+  fprintf(stderr, "DEBUG: cupsColorSpace = %d, cupsColorOrder = %d\n",
+          cups->header.cupsColorSpace, cups->header.cupsColorOrder);
+  fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d, cupsBitsPerColor = %d\n",
+          cups->header.cupsBitsPerPixel, cups->header.cupsBitsPerColor);
+  fprintf(stderr, "DEBUG: max_gray = %d, dither_grays = %d\n",
+          cups->color_info.max_gray, cups->color_info.dither_grays);
+  fprintf(stderr, "DEBUG: max_color = %d, dither_colors = %d\n",
+          cups->color_info.max_color, cups->color_info.dither_colors);
+#endif /* DEBUG */
+
+ /*
+  * Set the color profile as needed...
+  */
+
+  cupsHaveProfile = 0;
+
+  if (cupsProfile && cups->header.cupsBitsPerColor == 8)
+  {
+    fprintf(stderr, "DEBUG: Using user-defined profile \"%s\"...\n", cupsProfile);
+
+    if (sscanf(cupsProfile, "%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f", &d, &g,
+               m[0] + 0, m[0] + 1, m[0] + 2,
+               m[1] + 0, m[1] + 1, m[1] + 2,
+               m[2] + 0, m[2] + 1, m[2] + 2) != 11)
+      fputs("DEBUG: User-defined profile does not contain 11 integers!\n", stderr);
+    else
+    {
+      cupsHaveProfile = 1;
+
+      d       *= 0.001f;
+      g       *= 0.001f;
+      m[0][0] *= 0.001f;
+      m[0][1] *= 0.001f;
+      m[0][2] *= 0.001f;
+      m[1][0] *= 0.001f;
+      m[1][1] *= 0.001f;
+      m[1][2] *= 0.001f;
+      m[2][0] *= 0.001f;
+      m[2][1] *= 0.001f;
+      m[2][2] *= 0.001f;
+    }
+  }
+  else if (cups->ppd != NULL && cups->header.cupsBitsPerColor == 8)
+  {
+   /*
+    * Find the appropriate color profile...
+    */
+
+    if (pdev->HWResolution[0] != pdev->HWResolution[1])
+      sprintf(resolution, "%.0fx%.0fdpi", pdev->HWResolution[0],
+              pdev->HWResolution[1]);
+    else
+      sprintf(resolution, "%.0fdpi", pdev->HWResolution[0]);
+
+    for (i = 0, profile = cups->ppd->profiles;
+         i < cups->ppd->num_profiles;
+	 i ++, profile ++)
+      if ((strcmp(profile->resolution, resolution) == 0 ||
+           profile->resolution[0] == '-') &&
+          (strcmp(profile->media_type, cups->header.MediaType) == 0 ||
+           profile->media_type[0] == '-'))
+	break;
+
+   /*
+    * If we found a color profile, use it!
+    */
+
+    if (i < cups->ppd->num_profiles)
+    {
+#ifdef DEBUG
+      fputs("DEBUG: Using color profile!\n", stderr);
+#endif /* DEBUG */
+
+      cupsHaveProfile = 1;
+
+      d = profile->density;
+      g = profile->gamma;
+      
+      memcpy(m, profile->matrix, sizeof(m));
+    }
+  }
+
+  if (cupsHaveProfile)
+  {
+    for (i = 0; i < 3; i ++)
+      for (j = 0; j < 3; j ++)
+	for (k = 0; k <= gx_max_color_value; k ++)
+	{
+          cupsMatrix[i][j][k] = (int)((float)k * m[i][j] + 0.5);
+
+#ifdef DEBUG
+          if ((k & 4095) == 0)
+            fprintf(stderr, "DEBUG: cupsMatrix[%d][%d][%d] = %d\n",
+	            i, j, k, cupsMatrix[i][j][k]);
+#endif /* DEBUG */
+        }
+
+
+    for (k = 0; k <= gx_max_color_value; k ++)
+    {
+      cupsDensity[k] = (int)((float)gx_max_color_value * d *
+	                     pow((float)k / (float)gx_max_color_value, g) +
+			     0.5);
+
+#ifdef DEBUG
+      if ((k & 4095) == 0)
+        fprintf(stderr, "DEBUG: cupsDensity[%d] = %d\n", k, cupsDensity[k]);
+#endif /* DEBUG */
+    }
+  }
+}
+
+
+/*
+ * 'cups_sync_output()' - Keep the user informed of our status...
+ */
+
+private int				/* O - Error status */
+cups_sync_output(gx_device *pdev)	/* I - Device info */
+{
+  fprintf(stderr, "INFO: Processing page %d...\n", cups->page);
+
+  return (0);
+}
+
+
+/*
+ * 'cups_print_chunked()' - Print a page of chunked pixels.
+ */
+
+static void
+cups_print_chunked(gx_device_printer *pdev,	/* I - Printer device */
+                   unsigned char     *src,	/* I - Scanline buffer */
+		   unsigned char     *dst,	/* I - Bitmap buffer */
+		   int               srcbytes)	/* I - Number of bytes in src */
+{
+  int		y;				/* Looping var */
+  unsigned char	*srcptr,			/* Pointer to data */
+		*dstptr;			/* Pointer to bits */
+  int		count;				/* Count for loop */
+  int		flip;				/* Flip scanline? */
+
+
+  if (cups->header.Duplex && !cups->header.Tumble &&
+      cups->ppd && cups->ppd->flip_duplex && !(cups->page & 1))
+    flip = 1;
+  else
+    flip = 0;
+
+  fprintf(stderr, "DEBUG: cups_print_chunked - flip = %d\n", flip);
+
+ /*
+  * Loop through the page bitmap and write chunked pixels, reversing as
+  * needed...
+  */
+
+  for (y = 0; y < cups->height; y ++)
+  {
+   /*
+    * Grab the scanline data...
+    */
+
+    if (gdev_prn_get_bits((gx_device_printer *)pdev, y, src, &srcptr) < 0)
+    {
+      fprintf(stderr, "ERROR: Unable to get scanline %d!\n", y);
+      gs_exit(1);
+    }
+
+    if (flip)
+    {
+     /*
+      * Flip the raster data before writing it...
+      */
+
+      if (srcptr[0] == 0 && memcmp(srcptr, srcptr + 1, srcbytes - 1) == 0)
+	memset(dst, 0, cups->header.cupsBytesPerLine);
+      else
+      {
+        dstptr = dst;
+	count  = srcbytes;
+
+	switch (cups->color_info.depth)
+	{
+          case 1 : /* B&W bitmap */
+	      for (srcptr += srcbytes - 1;
+	           count > 0;
+		   count --, srcptr --, dstptr ++)
+	      {
+	        *dstptr = rev_upper1[*srcptr & 15] |
+		          rev_lower1[*srcptr >> 4];
+              }
+	      break;
+
+	  case 2 : /* 2-bit grayscale */
+	      for (srcptr += srcbytes - 1;
+	           count > 0;
+		   count --, srcptr --, dstptr ++)
+	      {
+	        *dstptr = rev_upper2[*srcptr & 15] |
+		          rev_lower2[*srcptr >> 4];
+              }
+	      break;
+
+	  case 4 : /* 4-bit grayscale, or RGB, CMY, or CMYK bitmap */
+	      for (srcptr += srcbytes - 1;
+	           count > 0;
+		   count --, srcptr --, dstptr ++)
+	        *dstptr = (*srcptr >> 4) | (*srcptr << 4);
+	      break;
+
+          case 8 : /* 8-bit grayscale, or 2-bit RGB, CMY, or CMYK image */
+	      for (srcptr += srcbytes - 1;
+	           count > 0;
+		   count --, srcptr --, dstptr ++)
+	        *dstptr = *srcptr;
+	      break;
+
+          case 16 : /* 4-bit RGB, CMY or CMYK image */
+	      for (srcptr += srcbytes - 2;
+	           count > 0;
+		   count -= 2, srcptr -= 2, dstptr += 2)
+	      {
+	        dstptr[0] = srcptr[0];
+	        dstptr[1] = srcptr[1];
+              }
+	      break;
+
+          case 24 : /* 8-bit RGB or CMY image */
+	      for (srcptr += srcbytes - 3;
+	           count > 0;
+		   count -= 3, srcptr -= 3, dstptr += 3)
+	      {
+	        dstptr[0] = srcptr[0];
+	        dstptr[1] = srcptr[1];
+	        dstptr[2] = srcptr[2];
+              }
+	      break;
+
+          case 32 : /* 4-bit RGB, CMY or CMYK bitmap */
+	      for (srcptr += srcbytes - 4;
+	           count > 0;
+		   count -= 4, srcptr -= 4, dstptr += 4)
+	      {
+	        dstptr[0] = srcptr[0];
+	        dstptr[1] = srcptr[1];
+	        dstptr[2] = srcptr[2];
+	        dstptr[3] = srcptr[3];
+              }
+	      break;
+        }
+      }
+
+     /*
+      * Write the bitmap data to the raster stream...
+      */
+
+      cupsRasterWritePixels(cups->stream, dst, cups->header.cupsBytesPerLine);
+    }
+    else
+    {
+     /*
+      * Write the scanline data to the raster stream...
+      */
+
+      cupsRasterWritePixels(cups->stream, srcptr, cups->header.cupsBytesPerLine);
+    }
+  }
+}
+
+
+/*
+ * 'cups_print_banded()' - Print a page of banded pixels.
+ */
+
+static void
+cups_print_banded(gx_device_printer *pdev,	/* I - Printer device */
+                  unsigned char     *src,	/* I - Scanline buffer */
+		  unsigned char     *dst,	/* I - Bitmap buffer */
+		  int               srcbytes)	/* I - Number of bytes in src */
+{
+  int		x;				/* Looping var */
+  int		y;				/* Looping var */
+  int		bandbytes;			/* Bytes per band */
+  unsigned char	bit;				/* Current bit */
+  unsigned char	temp;				/* Temporary variable */
+  unsigned char	*srcptr;			/* Pointer to data */
+  unsigned char	*cptr, *mptr, *yptr, *kptr;	/* Pointer to components */
+  unsigned char	*lcptr, *lmptr;			/* ... */
+  int		flip;				/* Flip scanline? */
+
+
+  if (cups->header.Duplex && !cups->header.Tumble &&
+      cups->ppd && cups->ppd->flip_duplex && !(cups->page & 1))
+    flip = 1;
+  else
+    flip = 0;
+
+  fprintf(stderr, "DEBUG: cups_print_banded - flip = %d\n", flip);
+
+ /*
+  * Loop through the page bitmap and write banded pixels...  We have
+  * to separate each chunked color as needed...
+  */
+
+  bandbytes = (cups->header.cupsWidth * cups->header.cupsBitsPerColor + 7) / 8;
+
+  for (y = 0; y < cups->height; y ++)
+  {
+   /*
+    * Grab the scanline data...
+    */
+
+    if (gdev_prn_get_bits((gx_device_printer *)pdev, y, src, &srcptr) < 0)
+    {
+      fprintf(stderr, "ERROR: Unable to get scanline %d!\n", y);
+      gs_exit(1);
+    }
+
+   /*
+    * Separate the chunked colors into their components...
+    */
+
+    if (srcptr[0] == 0 && memcmp(srcptr, srcptr + 1, srcbytes - 1) == 0)
+      memset(dst, 0, cups->header.cupsBytesPerLine);
+    else
+    {
+      if (flip)
+        cptr = dst + bandbytes - 1;
+      else
+        cptr = dst;
+
+      mptr  = cptr + bandbytes;
+      yptr  = mptr + bandbytes;
+      kptr  = yptr + bandbytes;
+      lcptr = yptr + bandbytes;
+      lmptr = lcptr + bandbytes;
+
+      switch (cups->header.cupsBitsPerColor)
+      {
+	default :
+            memset(dst, 0, cups->header.cupsBytesPerLine);
+
+            switch (cups->header.cupsColorSpace)
+	    {
+	      default :
+	          for (x = cups->width, bit = flip ? 1 << (x & 7) : 128;
+		       x > 0;
+		       x --, srcptr ++)
+		  {
+		    if (*srcptr & 0x40)
+		      *cptr |= bit;
+		    if (*srcptr & 0x20)
+		      *mptr |= bit;
+		    if (*srcptr & 0x10)
+		      *yptr |= bit;
+
+                    if (flip)
+		    {
+		      if (bit < 128)
+			bit <<= 1;
+		      else
+		      {
+			cptr --;
+			mptr --;
+			yptr --;
+			bit = 1;
+		      }
+		    }
+		    else
+		      bit >>= 1;
+
+		    x --;
+		    if (x == 0)
+		      break;
+
+		    if (*srcptr & 0x4)
+		      *cptr |= bit;
+		    if (*srcptr & 0x2)
+		      *mptr |= bit;
+		    if (*srcptr & 0x1)
+		      *yptr |= bit;
+
+                    if (flip)
+		    {
+		      if (bit < 128)
+			bit <<= 1;
+		      else
+		      {
+			cptr --;
+			mptr --;
+			yptr --;
+			bit = 1;
+		      }
+		    }
+		    else if (bit > 1)
+		      bit >>= 1;
+		    else
+		    {
+		      cptr ++;
+		      mptr ++;
+		      yptr ++;
+		      bit = 128;
+		    }
+		  }
+	          break;
+	      case CUPS_CSPACE_GMCK :
+	      case CUPS_CSPACE_GMCS :
+	      case CUPS_CSPACE_RGBA :
+	      case CUPS_CSPACE_CMYK :
+	      case CUPS_CSPACE_YMCK :
+	      case CUPS_CSPACE_KCMY :
+	          for (x = cups->width, bit = flip ? 1 << (x & 7) : 128;
+		       x > 0;
+		       x --, srcptr ++)
+		  {
+		    if (*srcptr & 0x80)
+		      *cptr |= bit;
+		    if (*srcptr & 0x40)
+		      *mptr |= bit;
+		    if (*srcptr & 0x20)
+		      *yptr |= bit;
+		    if (*srcptr & 0x10)
+		      *kptr |= bit;
+
+                    if (flip)
+		    {
+		      if (bit < 128)
+			bit <<= 1;
+		      else
+		      {
+			cptr --;
+			mptr --;
+			yptr --;
+			kptr --;
+			bit = 1;
+		      }
+		    }
+		    else
+		      bit >>= 1;
+
+		    x --;
+		    if (x == 0)
+		      break;
+
+		    if (*srcptr & 0x8)
+		      *cptr |= bit;
+		    if (*srcptr & 0x4)
+		      *mptr |= bit;
+		    if (*srcptr & 0x2)
+		      *yptr |= bit;
+		    if (*srcptr & 0x1)
+		      *kptr |= bit;
+
+                    if (flip)
+		    {
+		      if (bit < 128)
+			bit <<= 1;
+		      else
+		      {
+			cptr --;
+			mptr --;
+			yptr --;
+			kptr --;
+			bit = 1;
+		      }
+		    }
+		    else if (bit > 1)
+		      bit >>= 1;
+		    else
+		    {
+		      cptr ++;
+		      mptr ++;
+		      yptr ++;
+		      kptr ++;
+		      bit = 128;
+		    }
+		  }
+	          break;
+	      case CUPS_CSPACE_KCMYcm :
+	          for (x = cups->width, bit = flip ? 1 << (x & 7) : 128;
+		       x > 0;
+		       x --, srcptr ++)
+		  {
+                   /*
+                    * Note: Because of the way the pointers are setup,
+                    *       the following code is correct even though
+                    *       the names don't match...
+                    */
+
+		    if (*srcptr & 0x20)
+		      *cptr |= bit;
+		    if (*srcptr & 0x10)
+		      *mptr |= bit;
+		    if (*srcptr & 0x08)
+		      *yptr |= bit;
+		    if (*srcptr & 0x04)
+		      *kptr |= bit;
+		    if (*srcptr & 0x02)
+		      *lcptr |= bit;
+		    if (*srcptr & 0x01)
+		      *lmptr |= bit;
+
+                    if (flip)
+		    {
+		      if (bit < 128)
+			bit <<= 1;
+		      else
+		      {
+			cptr --;
+			mptr --;
+			yptr --;
+			kptr --;
+			lcptr --;
+			lmptr --;
+			bit = 1;
+		      }
+		    }
+		    else if (bit > 1)
+		      bit >>= 1;
+		    else
+		    {
+		      cptr ++;
+		      mptr ++;
+		      yptr ++;
+		      kptr ++;
+		      lcptr ++;
+		      lmptr ++;
+		      bit = 128;
+		    }
+		  }
+	          break;
+	    }
+            break;
+
+	case 2 :
+            memset(dst, 0, cups->header.cupsBytesPerLine);
+
+            switch (cups->header.cupsColorSpace)
+	    {
+	      default :
+	          for (x = cups->width, bit = flip ? 3 << (2 * (x & 3)) : 0xc0;
+		       x > 0;
+		       x --, srcptr ++)
+		    switch (bit)
+		    {
+		      case 0xc0 :
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *cptr |= temp << 2;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *mptr |= temp << 4;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *yptr |= temp << 6;
+
+                          if (flip)
+			  {
+			    bit = 0x03;
+			    cptr --;
+			    mptr --;
+			    yptr --;
+			  }
+			  else
+			    bit = 0x30;
+			  break;
+		      case 0x30 :
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *cptr |= temp;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *mptr |= temp << 2;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *yptr |= temp << 4;
+
+			  if (flip)
+			    bit = 0xc0;
+			  else
+			    bit = 0x0c;
+			  break;
+		      case 0x0c :
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *cptr |= temp >> 2;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *mptr |= temp;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *yptr |= temp << 2;
+
+			  if (flip)
+			    bit = 0x30;
+			  else
+			    bit = 0x03;
+			  break;
+		      case 0x03 :
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *cptr |= temp >> 4;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *mptr |= temp >> 2;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *yptr |= temp;
+
+			  if (flip)
+			    bit = 0x0c;
+			  else
+			  {
+			    bit = 0xc0;
+			    cptr ++;
+			    mptr ++;
+			    yptr ++;
+			  }
+			  break;
+                    }
+	          break;
+	      case CUPS_CSPACE_GMCK :
+	      case CUPS_CSPACE_GMCS :
+	      case CUPS_CSPACE_RGBA :
+	      case CUPS_CSPACE_CMYK :
+	      case CUPS_CSPACE_YMCK :
+	      case CUPS_CSPACE_KCMY :
+	      case CUPS_CSPACE_KCMYcm :
+	          for (x = cups->width, bit = flip ? 3 << (2 * (x & 3)) : 0xc0;
+		       x > 0;
+		       x --, srcptr ++)
+		    switch (bit)
+		    {
+		      case 0xc0 :
+		          if ((temp = *srcptr & 0xc0) != 0)
+			    *cptr |= temp;
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *mptr |= temp << 2;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *yptr |= temp << 4;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *kptr |= temp << 6;
+
+                          if (flip)
+			  {
+			    bit = 0x03;
+			    cptr --;
+			    mptr --;
+			    yptr --;
+			    kptr --;
+			  }
+			  else
+			    bit = 0x30;
+			  break;
+		      case 0x30 :
+		          if ((temp = *srcptr & 0xc0) != 0)
+			    *cptr |= temp >> 2;
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *mptr |= temp;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *yptr |= temp << 2;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *kptr |= temp << 4;
+
+			  if (flip)
+			    bit = 0xc0;
+			  else
+			    bit = 0x0c;
+			  break;
+		      case 0x0c :
+		          if ((temp = *srcptr & 0xc0) != 0)
+			    *cptr |= temp >> 4;
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *mptr |= temp >> 2;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *yptr |= temp;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *kptr |= temp << 2;
+
+			  if (flip)
+			    bit = 0x30;
+			  else
+			    bit = 0x03;
+			  break;
+		      case 0x03 :
+		          if ((temp = *srcptr & 0xc0) != 0)
+			    *cptr |= temp >> 6;
+			  if ((temp = *srcptr & 0x30) != 0)
+			    *mptr |= temp >> 4;
+			  if ((temp = *srcptr & 0x0c) != 0)
+			    *yptr |= temp >> 2;
+			  if ((temp = *srcptr & 0x03) != 0)
+			    *kptr |= temp;
+
+			  if (flip)
+			    bit = 0x0c;
+			  else
+			  {
+			    bit = 0xc0;
+			    cptr ++;
+			    mptr ++;
+			    yptr ++;
+			    kptr ++;
+			  }
+			  break;
+                    }
+	          break;
+	    }
+            break;
+
+	case 4 :
+            memset(dst, 0, cups->header.cupsBytesPerLine);
+
+            switch (cups->header.cupsColorSpace)
+	    {
+	      default :
+	          for (x = cups->width, bit = flip && (x & 1) ? 0xf0 : 0x0f;
+		       x > 0;
+		       x --, srcptr += 2)
+		    switch (bit)
+		    {
+		      case 0xf0 :
+			  if ((temp = srcptr[0] & 0x0f) != 0)
+			    *cptr |= temp << 4;
+			  if ((temp = srcptr[1] & 0xf0) != 0)
+			    *mptr |= temp;
+			  if ((temp = srcptr[1] & 0x0f) != 0)
+			    *yptr |= temp << 4;
+
+			  bit = 0x0f;
+
+                          if (flip)
+			  {
+			    cptr --;
+			    mptr --;
+			    yptr --;
+			  }
+			  break;
+		      case 0x0f :
+			  if ((temp = srcptr[0] & 0x0f) != 0)
+			    *cptr |= temp;
+			  if ((temp = srcptr[1] & 0xf0) != 0)
+			    *mptr |= temp >> 4;
+			  if ((temp = srcptr[1] & 0x0f) != 0)
+			    *yptr |= temp;
+
+			  bit = 0xf0;
+
+                          if (!flip)
+			  {
+			    cptr ++;
+			    mptr ++;
+			    yptr ++;
+			  }
+			  break;
+                    }
+	          break;
+	      case CUPS_CSPACE_GMCK :
+	      case CUPS_CSPACE_GMCS :
+	      case CUPS_CSPACE_RGBA :
+	      case CUPS_CSPACE_CMYK :
+	      case CUPS_CSPACE_YMCK :
+	      case CUPS_CSPACE_KCMY :
+	      case CUPS_CSPACE_KCMYcm :
+	          for (x = cups->width, bit = flip && (x & 1) ? 0xf0 : 0x0f;
+		       x > 0;
+		       x --, srcptr += 2)
+		    switch (bit)
+		    {
+		      case 0xf0 :
+		          if ((temp = srcptr[0] & 0xf0) != 0)
+			    *cptr |= temp;
+			  if ((temp = srcptr[0] & 0x0f) != 0)
+			    *mptr |= temp << 4;
+			  if ((temp = srcptr[1] & 0xf0) != 0)
+			    *yptr |= temp;
+			  if ((temp = srcptr[1] & 0x0f) != 0)
+			    *kptr |= temp << 4;
+
+			  bit = 0x0f;
+
+                          if (flip)
+			  {
+			    cptr --;
+			    mptr --;
+			    yptr --;
+			    kptr --;
+			  }
+			  break;
+		      case 0x0f :
+		          if ((temp = srcptr[0] & 0xf0) != 0)
+			    *cptr |= temp >> 4;
+			  if ((temp = srcptr[0] & 0x0f) != 0)
+			    *mptr |= temp;
+			  if ((temp = srcptr[1] & 0xf0) != 0)
+			    *yptr |= temp >> 4;
+			  if ((temp = srcptr[1] & 0x0f) != 0)
+			    *kptr |= temp;
+
+			  bit = 0xf0;
+
+                          if (!flip)
+			  {
+			    cptr ++;
+			    mptr ++;
+			    yptr ++;
+			    kptr ++;
+			  }
+			  break;
+                    }
+	          break;
+	    }
+            break;
+
+	case 8 :
+            switch (cups->header.cupsColorSpace)
+	    {
+	      default :
+	          if (flip)
+	            for (x = cups->width; x > 0; x --)
+		    {
+		      *cptr-- = *srcptr++;
+		      *mptr-- = *srcptr++;
+		      *yptr-- = *srcptr++;
+		    }
+		  else
+	            for (x = cups->width; x > 0; x --)
+		    {
+		      *cptr++ = *srcptr++;
+		      *mptr++ = *srcptr++;
+		      *yptr++ = *srcptr++;
+		    }
+	          break;
+	      case CUPS_CSPACE_GMCK :
+	      case CUPS_CSPACE_GMCS :
+	      case CUPS_CSPACE_RGBA :
+	      case CUPS_CSPACE_CMYK :
+	      case CUPS_CSPACE_YMCK :
+	      case CUPS_CSPACE_KCMY :
+	      case CUPS_CSPACE_KCMYcm :
+	          if (flip)
+	            for (x = cups->width; x > 0; x --)
+		    {
+		      *cptr-- = *srcptr++;
+		      *mptr-- = *srcptr++;
+		      *yptr-- = *srcptr++;
+		      *kptr-- = *srcptr++;
+		    }
+		  else
+	            for (x = cups->width; x > 0; x --)
+		    {
+		      *cptr++ = *srcptr++;
+		      *mptr++ = *srcptr++;
+		      *yptr++ = *srcptr++;
+		      *kptr++ = *srcptr++;
+		    }
+	          break;
+	    }
+            break;
+      }
+    }
+
+   /*
+    * Write the bitmap data to the raster stream...
+    */
+
+    cupsRasterWritePixels(cups->stream, dst, cups->header.cupsBytesPerLine);
+  }
+}
+
+
+/*
+ * 'cups_print_planar()' - Print a page of planar pixels.
+ */
+
+static void
+cups_print_planar(gx_device_printer *pdev,	/* I - Printer device */
+                  unsigned char     *src,	/* I - Scanline buffer */
+		  unsigned char     *dst,	/* I - Bitmap buffer */
+		  int               srcbytes)	/* I - Number of bytes in src */
+{
+  int		x;				/* Looping var */
+  int		y;				/* Looping var */
+  int		z;				/* Looping var */
+  unsigned char	srcbit;				/* Current source bit */
+  unsigned char	dstbit;				/* Current destination bit */
+  unsigned char	temp;				/* Temporary variable */
+  unsigned char	*srcptr;			/* Pointer to data */
+  unsigned char	*dstptr;			/* Pointer to bitmap */
+
+
+ /**** NOTE: Currently planar output doesn't support flipped duplex!!! ****/
+
+ /*
+  * Loop through the page bitmap and write planar pixels...  We have
+  * to separate each chunked color as needed...
+  */
+
+  for (z = 0; z < pdev->color_info.num_components; z ++)
+    for (y = 0; y < cups->height; y ++)
+    {
+     /*
+      * Grab the scanline data...
+      */
+
+      if (gdev_prn_get_bits((gx_device_printer *)pdev, y, src, &srcptr) < 0)
+      {
+	fprintf(stderr, "ERROR: Unable to get scanline %d!\n", y);
+	gs_exit(1);
+      }
+
+     /*
+      * Pull the individual color planes out of the pixels...
+      */
+
+      if (srcptr[0] == 0 && memcmp(srcptr, srcptr + 1, srcbytes - 1) == 0)
+	memset(dst, 0, cups->header.cupsBytesPerLine);
+      else
+	switch (cups->header.cupsBitsPerColor)
+	{
+          default :
+	      memset(dst, 0, cups->header.cupsBytesPerLine);
+
+	      switch (cups->header.cupsColorSpace)
+	      {
+		default :
+	            for (dstptr = dst, x = cups->width, srcbit = 64 >> z,
+		             dstbit = 128;
+			 x > 0;
+			 x --)
+		    {
+		      if (*srcptr & srcbit)
+			*dstptr |= dstbit;
+
+                      if (srcbit >= 16)
+			srcbit >>= 4;
+		      else
+		      {
+			srcbit = 64 >> z;
+			srcptr ++;
+		      }
+
+                      if (dstbit > 1)
+			dstbit >>= 1;
+		      else
+		      {
+			dstbit = 128;
+			dstptr ++;
+		      }
+		    }
+	            break;
+		case CUPS_CSPACE_GMCK :
+		case CUPS_CSPACE_GMCS :
+		case CUPS_CSPACE_RGBA :
+		case CUPS_CSPACE_CMYK :
+		case CUPS_CSPACE_YMCK :
+		case CUPS_CSPACE_KCMY :
+	            for (dstptr = dst, x = cups->width, srcbit = 128 >> z,
+		             dstbit = 128;
+			 x > 0;
+			 x --)
+		    {
+		      if (*srcptr & srcbit)
+			*dstptr |= dstbit;
+
+                      if (srcbit >= 16)
+			srcbit >>= 4;
+		      else
+		      {
+			srcbit = 128 >> z;
+			srcptr ++;
+		      }
+
+                      if (dstbit > 1)
+			dstbit >>= 1;
+		      else
+		      {
+			dstbit = 128;
+			dstptr ++;
+		      }
+		    }
+	            break;
+		case CUPS_CSPACE_KCMYcm :
+	            for (dstptr = dst, x = cups->width, srcbit = 32 >> z,
+		             dstbit = 128;
+			 x > 0;
+			 x --, srcptr ++)
+		    {
+		      if (*srcptr & srcbit)
+			*dstptr |= dstbit;
+
+                      if (dstbit > 1)
+			dstbit >>= 1;
+		      else
+		      {
+			dstbit = 128;
+			dstptr ++;
+		      }
+		    }
+	            break;
+              }
+	      break;
+
+	  case 2 :
+	      memset(dst, 0, cups->header.cupsBytesPerLine);
+
+	      switch (cups->header.cupsColorSpace)
+	      {
+		default :
+	            for (dstptr = dst, x = cups->width, srcbit = 48 >> (z * 2),
+		             dstbit = 0xc0;
+			 x > 0;
+			 x --, srcptr ++)
+		    {
+		      if ((temp = *srcptr & srcbit) != 0)
+		      {
+			if (srcbit == dstbit)
+		          *dstptr |= temp;
+	        	else
+			{
+		          switch (srcbit)
+			  {
+			    case 0x30 :
+				temp >>= 4;
+				break;
+			    case 0x0c :
+				temp >>= 2;
+				break;
+                          }
+
+		          switch (dstbit)
+			  {
+			    case 0xc0 :
+				*dstptr |= temp << 6;
+				break;
+			    case 0x30 :
+				*dstptr |= temp << 4;
+				break;
+			    case 0x0c :
+				*dstptr |= temp << 2;
+				break;
+			    case 0x03 :
+				*dstptr |= temp;
+				break;
+                          }
+			}
+		      }
+
+		      if (dstbit > 0x03)
+			dstbit >>= 2;
+		      else
+		      {
+			dstbit = 0xc0;
+			dstptr ++;
+		      }
+		    }
+	            break;
+		case CUPS_CSPACE_GMCK :
+		case CUPS_CSPACE_GMCS :
+		case CUPS_CSPACE_RGBA :
+		case CUPS_CSPACE_CMYK :
+		case CUPS_CSPACE_YMCK :
+		case CUPS_CSPACE_KCMY :
+		case CUPS_CSPACE_KCMYcm :
+	            for (dstptr = dst, x = cups->width, srcbit = 192 >> (z * 2),
+		             dstbit = 0xc0;
+			 x > 0;
+			 x --, srcptr ++)
+		    {
+		      if ((temp = *srcptr & srcbit) != 0)
+		      {
+			if (srcbit == dstbit)
+		          *dstptr |= temp;
+	        	else
+			{
+		          switch (srcbit)
+			  {
+			    case 0xc0 :
+				temp >>= 6;
+				break;
+			    case 0x30 :
+				temp >>= 4;
+				break;
+			    case 0x0c :
+				temp >>= 2;
+				break;
+                          }
+
+		          switch (dstbit)
+			  {
+			    case 0xc0 :
+				*dstptr |= temp << 6;
+				break;
+			    case 0x30 :
+				*dstptr |= temp << 4;
+				break;
+			    case 0x0c :
+				*dstptr |= temp << 2;
+				break;
+			    case 0x03 :
+				*dstptr |= temp;
+				break;
+                          }
+			}
+		      }
+
+		      if (dstbit > 0x03)
+			dstbit >>= 2;
+		      else
+		      {
+			dstbit = 0xc0;
+			dstptr ++;
+		      }
+		    }
+	            break;
+              }
+	      break;
+
+	  case 4 :
+	      memset(dst, 0, cups->header.cupsBytesPerLine);
+
+	      switch (cups->header.cupsColorSpace)
+	      {
+		default :
+	            if (z > 0)
+		      srcptr ++;
+
+		    if (z == 1)
+		      srcbit = 0xf0;
+		    else
+		      srcbit = 0x0f;
+
+	            for (dstptr = dst, x = cups->width, dstbit = 0xf0;
+			 x > 0;
+			 x --, srcptr += 2)
+		    {
+		      if ((temp = *srcptr & srcbit) != 0)
+		      {
+			if (srcbit == dstbit)
+		          *dstptr |= temp;
+	        	else
+			{
+		          if (srcbit == 0xf0)
+	                    temp >>= 4;
+
+		          if (dstbit == 0xf0)
+   			    *dstptr |= temp << 4;
+			  else
+			    *dstptr |= temp;
+			}
+		      }
+
+		      if (dstbit == 0xf0)
+			dstbit = 0x0f;
+		      else
+		      {
+			dstbit = 0xf0;
+			dstptr ++;
+		      }
+		    }
+	            break;
+		case CUPS_CSPACE_GMCK :
+		case CUPS_CSPACE_GMCS :
+		case CUPS_CSPACE_RGBA :
+		case CUPS_CSPACE_CMYK :
+		case CUPS_CSPACE_YMCK :
+		case CUPS_CSPACE_KCMY :
+		case CUPS_CSPACE_KCMYcm :
+	            if (z > 1)
+		      srcptr ++;
+
+		    if (z & 1)
+		      srcbit = 0x0f;
+		    else
+		      srcbit = 0xf0;
+
+	            for (dstptr = dst, x = cups->width, dstbit = 0xf0;
+			 x > 0;
+			 x --, srcptr += 2)
+		    {
+		      if ((temp = *srcptr & srcbit) != 0)
+		      {
+			if (srcbit == dstbit)
+		          *dstptr |= temp;
+	        	else
+			{
+		          if (srcbit == 0xf0)
+	                    temp >>= 4;
+
+		          if (dstbit == 0xf0)
+   			    *dstptr |= temp << 4;
+			  else
+			    *dstptr |= temp;
+			}
+		      }
+
+		      if (dstbit == 0xf0)
+			dstbit = 0x0f;
+		      else
+		      {
+			dstbit = 0xf0;
+			dstptr ++;
+		      }
+		    }
+	            break;
+              }
+	      break;
+
+	  case 8 :
+	      for (srcptr += z, dstptr = dst, x = cups->header.cupsBytesPerLine;
+	           x > 0;
+		   srcptr += pdev->color_info.num_components, x --)
+		*dstptr++ = *srcptr;
+	      break;
+	}
+
+     /*
+      * Write the bitmap data to the raster stream...
+      */
+
+      cupsRasterWritePixels(cups->stream, dst, cups->header.cupsBytesPerLine);
+    }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/pstoraster/gdevdbit.c b/pstoraster/gdevdbit.c
new file mode 100644
index 000000000..9b6ccecc5
--- /dev/null
+++ b/pstoraster/gdevdbit.c
@@ -0,0 +1,708 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Default device bitmap copying implementation */
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsbittab.h"
+#include "gsrect.h"
+#include "gsropt.h"
+#include "gxdcolor.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gdevmem.h"
+#undef mdev
+#include "gxcpath.h"
+
+/* By default, implement tile_rectangle using strip_tile_rectangle. */
+int
+gx_default_tile_rectangle(gx_device * dev, const gx_tile_bitmap * tile,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1,
+			  int px, int py)
+{
+    gx_strip_bitmap tiles;
+
+    *(gx_tile_bitmap *) & tiles = *tile;
+    tiles.shift = tiles.rep_shift = 0;
+    return (*dev_proc(dev, strip_tile_rectangle))
+	(dev, &tiles, x, y, w, h, color0, color1, px, py);
+}
+
+/* Implement copy_mono by filling lots of small rectangles. */
+/* This is very inefficient, but it works as a default. */
+int
+gx_default_copy_mono(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+		     gx_color_index zero, gx_color_index one)
+{
+    bool invert;
+    gx_color_index color;
+    gx_device_color devc;
+
+    fit_copy(dev, data, dx, raster, id, x, y, w, h);
+    if (one != gx_no_color_index) {
+	invert = false;
+	color = one;
+	if (zero != gx_no_color_index) {
+	    int code = (*dev_proc(dev, fill_rectangle))
+	    (dev, x, y, w, h, zero);
+
+	    if (code < 0)
+		return code;
+	}
+    } else {
+	invert = true;
+	color = zero;
+    }
+    color_set_pure(&devc, color);
+    return gx_dc_default_fill_masked
+	(&devc, data, dx, raster, id, x, y, w, h, dev, rop3_T, invert);
+}
+
+/* Implement copy_color by filling lots of small rectangles. */
+/* This is very inefficient, but it works as a default. */
+int
+gx_default_copy_color(gx_device * dev, const byte * data,
+		      int dx, int raster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    int depth = dev->color_info.depth;
+    byte mask;
+
+    dev_proc_fill_rectangle((*fill));
+    const byte *row;
+    int iy;
+
+    if (depth == 1)
+	return (*dev_proc(dev, copy_mono)) (dev, data, dx, raster, id,
+					    x, y, w, h,
+				    (gx_color_index) 0, (gx_color_index) 1);
+    fit_copy(dev, data, dx, raster, id, x, y, w, h);
+    fill = dev_proc(dev, fill_rectangle);
+    mask = (byte) ((1 << depth) - 1);
+    for (row = data, iy = 0; iy < h; row += raster, ++iy) {
+	int ix;
+	gx_color_index c0 = gx_no_color_index;
+	const byte *ptr = row + ((dx * depth) >> 3);
+	int i0;
+
+	for (i0 = ix = 0; ix < w; ++ix) {
+	    gx_color_index color;
+
+	    if (depth >= 8) {
+		color = *ptr++;
+		switch (depth) {
+		    case 32:
+			color = (color << 8) + *ptr++;
+		    case 24:
+			color = (color << 8) + *ptr++;
+		    case 16:
+			color = (color << 8) + *ptr++;
+		}
+	    } else {
+		uint dbit = (-(ix + dx + 1) * depth) & 7;
+
+		color = (*ptr >> dbit) & mask;
+		if (dbit == 0)
+		    ptr++;
+	    }
+	    if (color != c0) {
+		if (ix > i0) {
+		    int code = (*fill)
+		    (dev, i0 + x, iy + y, ix - i0, 1, c0);
+
+		    if (code < 0)
+			return code;
+		}
+		c0 = color;
+		i0 = ix;
+	    }
+	}
+	if (ix > i0) {
+	    int code = (*fill) (dev, i0 + x, iy + y, ix - i0, 1, c0);
+
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
+
+int
+gx_no_copy_alpha(gx_device * dev, const byte * data, int data_x,
+	   int raster, gx_bitmap_id id, int x, int y, int width, int height,
+		 gx_color_index color, int depth)
+{
+    return_error(gs_error_unknownerror);
+}
+
+int
+gx_default_copy_alpha(gx_device * dev, const byte * data, int data_x,
+	   int raster, gx_bitmap_id id, int x, int y, int width, int height,
+		      gx_color_index color, int depth)
+{				/* This might be called with depth = 1.... */
+    if (depth == 1)
+	return (*dev_proc(dev, copy_mono)) (dev, data, data_x, raster, id,
+					    x, y, width, height,
+					    gx_no_color_index, color);
+    /*
+     * Simulate alpha by weighted averaging of RGB values.
+     * This is very slow, but functionally correct.
+     */
+    {
+	const byte *row;
+	gs_memory_t *mem = dev->memory;
+	int bpp = dev->color_info.depth;
+	uint in_size = gx_device_raster(dev, false);
+	byte *lin;
+	uint out_size;
+	byte *lout;
+	int code = 0;
+	gx_color_value color_rgb[3];
+	int ry;
+
+	fit_copy(dev, data, data_x, raster, id, x, y, width, height);
+	row = data;
+	out_size = bitmap_raster(width * bpp);
+	lin = gs_alloc_bytes(mem, in_size, "copy_alpha(lin)");
+	lout = gs_alloc_bytes(mem, out_size, "copy_alpha(lout)");
+	if (lin == 0 || lout == 0) {
+	    code = gs_note_error(gs_error_VMerror);
+	    goto out;
+	}
+	(*dev_proc(dev, map_color_rgb)) (dev, color, color_rgb);
+	for (ry = y; ry < y + height; row += raster, ++ry) {
+	    byte *line;
+	    int sx, rx;
+
+	    declare_line_accum(lout, bpp, x);
+
+	    code = (*dev_proc(dev, get_bits)) (dev, ry, lin, &line);
+	    if (code < 0)
+		break;
+	    for (sx = data_x, rx = x; sx < data_x + width; ++sx, ++rx) {
+		gx_color_index previous = gx_no_color_index;
+		gx_color_index composite;
+		int alpha2, alpha;
+
+		if (depth == 2)	/* map 0 - 3 to 0 - 15 */
+		    alpha = ((row[sx >> 2] >> ((3 - (sx & 3)) << 1)) & 3) * 5;
+		else
+		    alpha2 = row[sx >> 1],
+			alpha = (sx & 1 ? alpha2 & 0xf : alpha2 >> 4);
+	      blend:if (alpha == 15) {	/* Just write the new color. */
+		    composite = color;
+		} else {
+		    if (previous == gx_no_color_index) {	/* Extract the old color. */
+			if (bpp < 8) {
+			    const uint bit = rx * bpp;
+			    const byte *src = line + (bit >> 3);
+
+			    previous =
+				(*src >> (8 - (bit + bpp))) &
+				((1 << bpp) - 1);
+			} else {
+			    const byte *src = line + (rx * (bpp >> 3));
+
+			    previous = 0;
+			    switch (bpp >> 3) {
+				case 4:
+				    previous += (gx_color_index) * src++ << 24;
+				case 3:
+				    previous += (gx_color_index) * src++ << 16;
+				case 2:
+				    previous += (gx_color_index) * src++ << 8;
+				case 1:
+				    previous += *src++;
+			    }
+			}
+		    }
+		    if (alpha == 0) {	/* Just write the old color. */
+			composite = previous;
+		    } else {	/* Blend RGB values. */
+			gx_color_value rgb[3];
+
+			(*dev_proc(dev, map_color_rgb)) (dev, previous, rgb);
+#if arch_ints_are_short
+#  define b_int long
+#else
+#  define b_int int
+#endif
+#define make_shade(old, clr, alpha, amax) \
+  (old) + (((b_int)(clr) - (b_int)(old)) * (alpha) / (amax))
+			rgb[0] = make_shade(rgb[0], color_rgb[0], alpha, 15);
+			rgb[1] = make_shade(rgb[1], color_rgb[1], alpha, 15);
+			rgb[2] = make_shade(rgb[2], color_rgb[2], alpha, 15);
+#undef b_int
+#undef make_shade
+			composite =
+			    (*dev_proc(dev, map_rgb_color)) (dev, rgb[0],
+							     rgb[1], rgb[2]);
+			if (composite == gx_no_color_index) {	/* The device can't represent this color. */
+			    /* Move the alpha value towards 0 or 1. */
+			    if (alpha == 7)	/* move 1/2 towards 1 */
+				++alpha;
+			    alpha = (alpha & 8) | (alpha >> 1);
+			    goto blend;
+			}
+		    }
+		}
+		line_accum(composite, bpp);
+	    }
+	    line_accum_copy(dev, lout, bpp, x, rx, raster, ry);
+	}
+      out:gs_free_object(mem, lout, "copy_alpha(lout)");
+	gs_free_object(mem, lin, "copy_alpha(lin)");
+	return code;
+    }
+}
+
+int
+gx_no_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+	       const gx_color_index * scolors,
+	     const gx_tile_bitmap * texture, const gx_color_index * tcolors,
+	       int x, int y, int width, int height,
+	       int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_unknownerror);	/* not implemented */
+}
+
+int
+gx_default_fill_mask(gx_device * orig_dev,
+		     const byte * data, int dx, int raster, gx_bitmap_id id,
+		     int x, int y, int w, int h,
+		     const gx_drawing_color * pdcolor, int depth,
+		     gs_logical_operation_t lop, const gx_clip_path * pcpath)
+{
+    gx_device *dev;
+    gx_device_clip cdev;
+    gx_color_index colors[2];
+    gx_strip_bitmap *tile;
+
+    if (gx_dc_is_pure(pdcolor)) {
+	tile = 0;
+	colors[0] = gx_no_color_index;
+	colors[1] = gx_dc_pure_color(pdcolor);
+    } else if (gx_dc_is_binary_halftone(pdcolor)) {
+	tile = gx_dc_binary_tile(pdcolor);
+	colors[0] = gx_dc_binary_color0(pdcolor);
+	colors[1] = gx_dc_binary_color1(pdcolor);
+    } else
+	return_error(gs_error_unknownerror);	/* not implemented */
+    if (pcpath != 0) {
+	gx_make_clip_path_device(&cdev, pcpath);
+	cdev.target = orig_dev;
+	dev = (gx_device *) & cdev;
+	(*dev_proc(dev, open_device)) (dev);
+    } else
+	dev = orig_dev;
+    if (depth > 1) {
+	/****** CAN'T DO ROP OR HALFTONE WITH ALPHA ******/
+	return (*dev_proc(dev, copy_alpha))
+	    (dev, data, dx, raster, id, x, y, w, h, colors[1], depth);
+    }
+    if (lop != lop_default) {
+	gx_color_index scolors[2];
+
+	scolors[0] = gx_device_white(dev);
+	scolors[1] = gx_device_black(dev);
+	if (tile == 0)
+	    colors[0] = colors[1];	/* pure color */
+	/*
+	 * We want to write only where the mask is a 1, so enable source
+	 * transparency.  We have to include S in the operation,
+	 * otherwise S_transparent will be ignored.
+	 */
+	return (*dev_proc(dev, strip_copy_rop))
+	    (dev, data, dx, raster, id, scolors, tile, colors,
+	     x, y, w, h,
+	     gx_dc_phase(pdcolor).x, gx_dc_phase(pdcolor).y,
+	     lop | (rop3_S | lop_S_transparent));
+    }
+    if (tile == 0) {
+	return (*dev_proc(dev, copy_mono))
+	    (dev, data, dx, raster, id, x, y, w, h,
+	     gx_no_color_index, colors[1]);
+    }
+    /*
+     * Use the same approach as the default copy_mono (above).  We
+     * should really clip to the intersection of the bounding boxes of
+     * the device and the clipping path, but it's too much work.
+     */
+    fit_copy(orig_dev, data, dx, raster, id, x, y, w, h);
+    {
+	dev_proc_strip_tile_rectangle((*tile_proc)) =
+	    dev_proc(dev, strip_tile_rectangle);
+	const byte *row = data + (dx >> 3);
+	int dx_bit = dx & 7;
+	int wdx = w + dx_bit;
+	int iy;
+
+	for (row = data, iy = 0; iy < h; row += raster, iy++) {
+	    int ix;
+
+	    for (ix = dx_bit; ix < wdx;) {
+		int i0;
+		uint b;
+		uint len;
+		int code;
+
+		/* Skip 0-bits. */
+		b = row[ix >> 3];
+		len = byte_bit_run_length[ix & 7][b ^ 0xff];
+		if (len) {
+		    ix += ((len - 1) & 7) + 1;
+		    continue;
+		}
+		/* Scan 1-bits. */
+		i0 = ix;
+		for (;;) {
+		    b = row[ix >> 3];
+		    len = byte_bit_run_length[ix & 7][b];
+		    if (!len)
+			break;
+		    ix += ((len - 1) & 7) + 1;
+		    if (ix >= wdx) {
+			ix = wdx;
+			break;
+		    }
+		    if (len < 8)
+			break;
+		}
+		/* Now color the run from i0 to ix. */
+		code = (*tile_proc)
+		    (dev, tile, i0 - dx_bit + x, iy + y, ix - i0, 1,
+		     colors[0], colors[1],
+		     gx_dc_phase(pdcolor).x, gx_dc_phase(pdcolor).y);
+		if (code < 0)
+		    return code;
+#undef row_bit
+	    }
+	}
+    }
+    return 0;
+}
+
+/* Default implementation of strip_tile_rectangle */
+int
+gx_default_strip_tile_rectangle(gx_device * dev, const gx_strip_bitmap * tiles,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1,
+				int px, int py)
+{				/* Fill the rectangle in chunks. */
+    int width = tiles->size.x;
+    int height = tiles->size.y;
+    int raster = tiles->raster;
+    int rwidth = tiles->rep_width;
+    int rheight = tiles->rep_height;
+    int shift = tiles->shift;
+
+    fit_fill_xy(dev, x, y, w, h);
+
+#ifdef DEBUG
+    if (gs_debug_c('t')) {
+	int ptx, pty;
+	const byte *ptp = tiles->data;
+
+	dlprintf3("[t]tile %dx%d raster=%d;",
+		  tiles->size.x, tiles->size.y, tiles->raster);
+	dlprintf6(" x,y=%d,%d w,h=%d,%d p=%d,%d\n",
+		  x, y, w, h, px, py);
+	dlputs("");
+	for (pty = 0; pty < tiles->size.y; pty++) {
+	    dprintf("   ");
+	    for (ptx = 0; ptx < tiles->raster; ptx++)
+		dprintf1("%3x", *ptp++);
+	}
+	dputc('\n');
+    }
+#endif
+
+    if (dev_proc(dev, tile_rectangle) != gx_default_tile_rectangle) {
+	if (shift == 0) {	/*
+				 * Temporarily patch the tile_rectangle procedure in the
+				 * device so we don't get into a recursion loop if the
+				 * device has a tile_rectangle procedure that conditionally
+				 * calls the strip_tile_rectangle procedure.
+				 */
+	    dev_proc_tile_rectangle((*tile_proc)) =
+		dev_proc(dev, tile_rectangle);
+	    int code;
+
+	    set_dev_proc(dev, tile_rectangle, gx_default_tile_rectangle);
+	    code = (*tile_proc)
+		(dev, (const gx_tile_bitmap *)tiles, x, y, w, h,
+		 color0, color1, px, py);
+	    set_dev_proc(dev, tile_rectangle, tile_proc);
+	    return code;
+	}
+	/* We should probably optimize this case too, for the benefit */
+	/* of window systems, but we don't yet. */
+    } {				/*
+				 * Note: we can't do the following computations until after
+				 * the fit_fill_xy.
+				 */
+	int xoff =
+	(shift == 0 ? px :
+	 px + (y + py) / rheight * tiles->rep_shift);
+	int irx = ((rwidth & (rwidth - 1)) == 0 ?	/* power of 2 */
+		   (x + xoff) & (rwidth - 1) :
+		   (x + xoff) % rwidth);
+	int ry = ((rheight & (rheight - 1)) == 0 ?	/* power of 2 */
+		  (y + py) & (rheight - 1) :
+		  (y + py) % rheight);
+	int icw = width - irx;
+	int ch = height - ry;
+	byte *row = tiles->data + ry * raster;
+
+	dev_proc_copy_mono((*proc_mono));
+	dev_proc_copy_color((*proc_color));
+	int code;
+
+	if (color0 == gx_no_color_index && color1 == gx_no_color_index)
+	    proc_color = dev_proc(dev, copy_color);
+	else
+	    proc_color = 0;
+
+        proc_mono = dev_proc(dev, copy_mono);
+
+/****** SHOULD ALSO PASS id IF COPYING A FULL TILE ******/
+#define real_copy_tile(srcx, tx, ty, tw, th)\
+  code =\
+    (proc_color != 0 ?\
+     (*proc_color)(dev, row, srcx, raster, gx_no_bitmap_id, tx, ty, tw, th) :\
+     (*proc_mono)(dev, row, srcx, raster, gx_no_bitmap_id, tx, ty, tw, th, color0, color1));\
+  if ( code < 0 ) return_error(code);\
+  return_if_interrupt()
+#ifdef DEBUG
+#define copy_tile(sx, tx, ty, tw, th)\
+  if_debug5('t', "   copy sx=%d x=%d y=%d w=%d h=%d\n",\
+	    sx, tx, ty, tw, th);\
+  real_copy_tile(sx, tx, ty, tw, th)
+#else
+#define copy_tile(sx, tx, ty, tw, th)\
+  real_copy_tile(sx, tx, ty, tw, th)
+#endif
+	if (ch >= h) {		/* Shallow operation */
+	    if (icw >= w) {	/* Just one (partial) tile to transfer. */
+		copy_tile(irx, x, y, w, h);
+	    } else {
+		int ex = x + w;
+		int fex = ex - width;
+		int cx = x + icw;
+
+		copy_tile(irx, x, y, icw, h);
+		while (cx <= fex) {
+		    copy_tile(0, cx, y, width, h);
+		    cx += width;
+		}
+		if (cx < ex) {
+		    copy_tile(0, cx, y, ex - cx, h);
+		}
+	    }
+	} else if (icw >= w && shift == 0) {	/* Narrow operation, no shift */
+	    int ey = y + h;
+	    int fey = ey - height;
+	    int cy = y + ch;
+
+	    copy_tile(irx, x, y, w, ch);
+	    row = tiles->data;
+	    do {
+		ch = (cy > fey ? ey - cy : height);
+		copy_tile(irx, x, cy, w, ch);
+	    }
+	    while ((cy += ch) < ey);
+	} else {		/* Full operation.  If shift != 0, some scan lines */
+	    /* may be narrow.  We could test shift == 0 in advance */
+	    /* and use a slightly faster loop, but right now */
+	    /* we don't bother. */
+	    int ex = x + w, ey = y + h;
+	    int fex = ex - width, fey = ey - height;
+	    int cx, cy;
+
+	    for (cy = y;;) {
+		if (icw >= w) {
+		    copy_tile(irx, x, cy, w, ch);
+		} else {
+		    copy_tile(irx, x, cy, icw, ch);
+		    cx = x + icw;
+		    while (cx <= fex) {
+			copy_tile(0, cx, cy, width, ch);
+			cx += width;
+		    }
+		    if (cx < ex) {
+			copy_tile(0, cx, cy, ex - cx, ch);
+		    }
+		}
+		if ((cy += ch) >= ey)
+		    break;
+		ch = (cy > fey ? ey - cy : height);
+		if ((irx += shift) >= rwidth)
+		    irx -= rwidth;
+		icw = width - irx;
+		row = tiles->data;
+	    }
+	}
+#undef copy_tile
+#undef real_copy_tile
+    }
+    return 0;
+}
+
+int
+gx_no_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+		     const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+		     int x, int y, int width, int height,
+		     int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_unknownerror);	/* not implemented */
+}
+
+/* ---------------- Unaligned copy operations ---------------- */
+
+/*
+ * Implementing unaligned operations in terms of the standard aligned
+ * operations requires adjusting the bitmap origin and/or the raster to be
+ * aligned.  Adjusting the origin is simple; adjusting the raster requires
+ * doing the operation one scan line at a time.
+ */
+int
+gx_copy_mono_unaligned(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+		       gx_color_index zero, gx_color_index one)
+{
+    dev_proc_copy_mono((*copy_mono)) = dev_proc(dev, copy_mono);
+    uint offset = alignment_mod(data, align_bitmap_mod);
+    int step = raster & (align_bitmap_mod - 1);
+
+    /* Adjust the origin. */
+    data -= offset;
+    dx += offset << 3;
+
+    /* Adjust the raster. */
+    if (!step) {		/* No adjustment needed. */
+	return (*copy_mono) (dev, data, dx, raster, id,
+			     x, y, w, h, zero, one);
+    }
+    /* Do the transfer one scan line at a time. */
+    {
+	const byte *p = data;
+	int d = dx;
+	int code = 0;
+	int i;
+
+	for (i = 0; i < h && code >= 0;
+	     ++i, p += raster - step, d += step << 3
+	    )
+	    code = (*copy_mono) (dev, p, d, raster, gx_no_bitmap_id,
+				 x, y + i, w, 1, zero, one);
+	return code;
+    }
+}
+
+int
+gx_copy_color_unaligned(gx_device * dev, const byte * data,
+			int data_x, int raster, gx_bitmap_id id,
+			int x, int y, int width, int height)
+{
+    dev_proc_copy_color((*copy_color)) = dev_proc(dev, copy_color);
+    int depth = dev->color_info.depth;
+    uint offset = (uint) (data - (const byte *)0) & (align_bitmap_mod - 1);
+    int step = raster & (align_bitmap_mod - 1);
+
+    /*
+     * Adjust the origin.
+     * We have to do something very special for 24-bit data,
+     * because that is the only depth that doesn't divide
+     * align_bitmap_mod exactly.  In particular, we need to find
+     * M*B + R == 0 mod 3, where M is align_bitmap_mod, R is the
+     * offset value just calculated, and B is an integer unknown;
+     * the new value of offset will be M*B + R.
+     */
+    if (depth == 24)
+	offset += (offset % 3) *
+	    (align_bitmap_mod * (3 - (align_bitmap_mod % 3)));
+    data -= offset;
+    data_x += (offset << 3) / depth;
+
+    /* Adjust the raster. */
+    if (!step) {		/* No adjustment needed. */
+	return (*copy_color) (dev, data, data_x, raster, id,
+			      x, y, width, height);
+    }
+    /* Do the transfer one scan line at a time. */
+    {
+	const byte *p = data;
+	int d = data_x;
+	int dstep = (step << 3) / depth;
+	int code = 0;
+	int i;
+
+	for (i = 0; i < height && code >= 0;
+	     ++i, p += raster - step, d += dstep
+	    )
+	    code = (*copy_color) (dev, p, d, raster, gx_no_bitmap_id,
+				  x, y + i, width, 1);
+	return code;
+    }
+}
+
+int
+gx_copy_alpha_unaligned(gx_device * dev, const byte * data, int data_x,
+	   int raster, gx_bitmap_id id, int x, int y, int width, int height,
+			gx_color_index color, int depth)
+{
+    dev_proc_copy_alpha((*copy_alpha)) = dev_proc(dev, copy_alpha);
+    uint offset = (uint) (data - (const byte *)0) & (align_bitmap_mod - 1);
+    int step = raster & (align_bitmap_mod - 1);
+
+    /* Adjust the origin. */
+    data -= offset;
+    data_x += (offset << 3) / depth;
+
+    /* Adjust the raster. */
+    if (!step) {		/* No adjustment needed. */
+	return (*copy_alpha) (dev, data, data_x, raster, id,
+			      x, y, width, height, color, depth);
+    }
+    /* Do the transfer one scan line at a time. */
+    {
+	const byte *p = data;
+	int d = data_x;
+	int dstep = (step << 3) / depth;
+	int code = 0;
+	int i;
+
+	for (i = 0; i < height && code >= 0;
+	     ++i, p += raster - step, d += dstep
+	    )
+	    code = (*copy_alpha) (dev, p, d, raster, gx_no_bitmap_id,
+				  x, y + i, width, 1, color, depth);
+	return code;
+    }
+}
diff --git a/pstoraster/gdevddrw.c b/pstoraster/gdevddrw.c
new file mode 100644
index 000000000..7985876e7
--- /dev/null
+++ b/pstoraster/gdevddrw.c
@@ -0,0 +1,643 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Default polygon and image drawing device procedures */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxdcolor.h"
+#include "gxdevice.h"
+#include "gxiparam.h"
+#include "gxistate.h"
+
+/* ---------------- Polygon and line drawing ---------------- */
+
+/* Define the 'remainder' analogue of fixed_mult_quo. */
+private fixed
+fixed_mult_rem(fixed a, fixed b, fixed c)
+{
+    double prod = (double)a * b;
+
+    return (fixed) (prod - floor(prod / c) * c);
+}
+
+/*
+ * Fill a trapezoid.  Requires:
+ *      {left,right}->start.y <= ybot <= ytop <= {left,right}->end.y.
+ * Lines where left.x >= right.x will not be drawn.  Thanks to Paul Haeberli
+ * for an early floating point version of this algorithm.
+ */
+typedef struct trap_line_s {
+    int di;
+    fixed df;			/* dx/dy ratio = di + df/h */
+    fixed ldi, ldf;		/* increment per scan line = ldi + ldf/h */
+    fixed x, xf;		/* current value */
+    fixed h;
+} trap_line;
+int
+gx_default_fill_trapezoid(gx_device * dev, const gs_fixed_edge * left,
+	const gs_fixed_edge * right, fixed ybot, fixed ytop, bool swap_axes,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    const fixed ymin = fixed_pixround(ybot) + fixed_half;
+    const fixed ymax = fixed_pixround(ytop);
+
+    if (ymin >= ymax)
+	return 0;		/* no scan lines to sample */
+    {
+	int iy = fixed2int_var(ymin);
+	const int iy1 = fixed2int_var(ymax);
+	trap_line l, r;
+	int rxl, rxr, ry;
+	const fixed
+	      x0l = left->start.x, x1l = left->end.x, x0r = right->start.x,
+	      x1r = right->end.x, dxl = x1l - x0l, dxr = x1r - x0r;
+	const fixed		/* partial pixel offset to first line to sample */
+	      ysl = ymin - left->start.y, ysr = ymin - right->start.y;
+	fixed fxl;
+	bool fill_direct = color_writes_pure(pdevc, lop);
+	gx_color_index cindex;
+
+	dev_proc_fill_rectangle((*fill_rect));
+	int max_rect_height = 1;	/* max height to do fill as rectangle */
+	int code;
+
+	if_debug2('z', "[z]y=[%d,%d]\n", iy, iy1);
+
+	if (fill_direct)
+	{
+	  cindex    = pdevc->colors.pure;
+          fill_rect = dev_proc(dev, fill_rectangle);
+	}
+	else
+	{
+	  cindex    = 0;
+          fill_rect = 0;
+	}
+
+	l.h = left->end.y - left->start.y;
+	r.h = right->end.y - right->start.y;
+	l.x = x0l + (fixed_half - fixed_epsilon);
+	r.x = x0r + (fixed_half - fixed_epsilon);
+	ry = iy;
+
+#define fill_trap_rect(x,y,w,h)\
+  (fill_direct ?\
+    (swap_axes ? (*fill_rect)(dev, y, x, h, w, cindex) :\
+     (*fill_rect)(dev, x, y, w, h, cindex)) :\
+   swap_axes ? gx_fill_rectangle_device_rop(y, x, h, w, pdevc, dev, lop) :\
+   gx_fill_rectangle_device_rop(x, y, w, h, pdevc, dev, lop))
+
+	/* Compute the dx/dy ratios. */
+	/* dx# = dx#i + (dx#f / h#). */
+#define compute_dx(tl, d, ys)\
+  if ( d >= 0 )\
+   { if ( d < tl.h ) tl.di = 0, tl.df = d;\
+     else tl.di = (int)(d / tl.h), tl.df = d - tl.di * tl.h,\
+       tl.x += ys * tl.di;\
+   }\
+  else\
+   { if ( (tl.df = d + tl.h) >= 0 /* d >= -tl.h */ ) tl.di = -1, tl.x -= ys;\
+     else tl.di = (int)-((tl.h - 1 - d) / tl.h), tl.df = d - tl.di * tl.h,\
+       tl.x += ys * tl.di;\
+   }
+
+	/* Compute the x offsets at the first scan line to sample. */
+	/* We need to be careful in computing ys# * dx#f {/,%} h# */
+	/* because the multiplication may overflow.  We know that */
+	/* all the quantities involved are non-negative, and that */
+	/* ys# is usually than 1 (as a fixed, of course); this gives us */
+	/* a cheap conservative check for overflow in the multiplication. */
+#define ymult_limit (max_fixed / fixed_1)
+#define ymult_quo(ys, tl)\
+  (ys < fixed_1 && tl.df < ymult_limit ? ys * tl.df / tl.h :\
+   fixed_mult_quo(ys, tl.df, tl.h))
+
+	/*
+	 * It's worth checking for dxl == dxr, since this is the case
+	 * for parallelograms (including stroked lines).
+	 * Also check for left or right vertical edges.
+	 */
+	if (fixed_floor(l.x) == fixed_pixround(x1l)) {	/* Left edge is vertical, we don't need to increment. */
+	    l.di = 0, l.df = 0;
+	    fxl = 0;
+	} else {
+	    compute_dx(l, dxl, ysl);
+	    fxl = ymult_quo(ysl, l);
+	    l.x += fxl;
+	}
+	if (fixed_floor(r.x) == fixed_pixround(x1r)) {	/* Right edge is vertical.  If both are vertical, */
+	    /* we have a rectangle. */
+	    if (l.di == 0 && l.df == 0)
+		max_rect_height = max_int;
+	    else
+		r.di = 0, r.df = 0;
+	}
+	/* The test for fxl != 0 is required because the right edge */
+	/* might cross some pixel centers even if the left edge doesn't. */
+	else if (dxr == dxl && fxl != 0) {
+	    if (l.di == 0)
+		r.di = 0, r.df = l.df;
+	    else		/* too hard to do adjustments right */
+		compute_dx(r, dxr, ysr);
+	    if (ysr == ysl && r.h == l.h)
+		r.x += fxl;
+	    else
+		r.x += ymult_quo(ysr, r);
+	} else {
+	    compute_dx(r, dxr, ysr);
+	    r.x += ymult_quo(ysr, r);
+	}
+	rxl = fixed2int_var(l.x);
+	rxr = fixed2int_var(r.x);
+
+	/*
+	 * Take a shortcut if we're only sampling a single scan line,
+	 * or if we have a rectangle.
+	 */
+	if (iy1 - iy <= max_rect_height) {
+	    iy = iy1;
+	    if_debug2('z', "[z]rectangle, x=[%d,%d]\n", rxl, rxr);
+	    goto last;
+	}
+	/* Compute one line's worth of dx/dy. */
+	/* dx# * fixed_1 = ld#i + (ld#f / h#). */
+#define compute_ldx(tl, ys)\
+  if ( tl.df < ymult_limit )\
+    { if ( tl.df == 0 )	/* vertical edge, worth checking for */\
+	tl.ldi = int2fixed(tl.di),\
+	tl.ldf = 0,\
+	tl.xf = -tl.h;\
+      else\
+	tl.ldi = int2fixed(tl.di) + int2fixed(tl.df) / tl.h,\
+	tl.ldf = int2fixed(tl.df) % tl.h,\
+	tl.xf = (ys < fixed_1 ? ys * tl.df % tl.h :\
+		 fixed_mult_rem(ys, tl.df, tl.h)) - tl.h;\
+    }\
+  else\
+    tl.ldi = int2fixed(tl.di) + fixed_mult_quo(fixed_1, tl.df, tl.h),\
+    tl.ldf = fixed_mult_rem(fixed_1, tl.df, tl.h),\
+    tl.xf = fixed_mult_rem(ys, tl.df, tl.h) - tl.h
+	compute_ldx(l, ysl);
+	if (dxr == dxl && ysr == ysl && r.h == l.h)
+	    r.ldi = l.ldi, r.ldf = l.ldf, r.xf = l.xf;
+	else {
+	    compute_ldx(r, ysr);
+	}
+#undef compute_ldx
+
+	while (++iy != iy1) {
+	    int ixl, ixr;
+
+#define step_line(tl)\
+  tl.x += tl.ldi;\
+  if ( (tl.xf += tl.ldf) >= 0 ) tl.xf -= tl.h, tl.x++;
+	    step_line(l);
+	    step_line(r);
+#undef step_line
+	    ixl = fixed2int_var(l.x);
+	    ixr = fixed2int_var(r.x);
+	    if (ixl != rxl || ixr != rxr) {
+		code = fill_trap_rect(rxl, ry, rxr - rxl, iy - ry);
+		if (code < 0)
+		    goto xit;
+		rxl = ixl, rxr = ixr, ry = iy;
+	    }
+	}
+      last:code = fill_trap_rect(rxl, ry, rxr - rxl, iy - ry);
+      xit:if (code < 0 && fill_direct)
+	    return_error(code);
+	return_if_interrupt();
+	return code;
+    }
+}
+
+/* Fill a parallelogram whose points are p, p+a, p+b, and p+a+b. */
+/* We should swap axes to get best accuracy, but we don't. */
+/* We must be very careful to follow the center-of-pixel rule in all cases. */
+int
+gx_default_fill_parallelogram(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    fixed t;
+    fixed qx, qy, ym;
+
+    dev_proc_fill_trapezoid((*fill_trapezoid));
+    gs_fixed_edge left, right;
+    int code;
+
+    /* Ensure ay >= 0, by >= 0. */
+    if (ay < 0)
+	px += ax, py += ay, ax = -ax, ay = -ay;
+    if (by < 0)
+	px += bx, py += by, bx = -bx, by = -by;
+    qx = px + ax + bx;
+    /* Make a special fast check for rectangles. */
+    if ((ay | bx) == 0 || (by | ax) == 0) {	/* If a point falls exactly on the middle of a pixel, */
+	/* we must round it down, not up. */
+	int rx = fixed2int_pixround(px);
+	int ry = fixed2int_pixround(py);
+
+	/* Exactly one of (ax,bx) and one of (ay,by) is non-zero. */
+	int w = fixed2int_pixround(qx) - rx;
+
+	if (w < 0)
+	    rx += w, w = -w;
+	return gx_fill_rectangle_device_rop(rx, ry, w,
+				      fixed2int_pixround(py + ay + by) - ry,
+					    pdevc, dev, lop);
+    }
+    /*
+     * Not a rectangle.  Ensure that the 'a' line is to the left of
+     * the 'b' line.  Testing ax <= bx is neither sufficient nor
+     * necessary: in general, we need to compare the slopes.
+     */
+#define swap(r, s) (t = r, r = s, s = t)
+    if ((ax ^ bx) < 0) {	/* In this case, the test ax <= bx is sufficient. */
+	if (ax > bx)
+	    swap(ax, bx), swap(ay, by);
+    } else {			/*
+				 * Compare the slopes.  We know that ay >= 0, by >= 0,
+				 * and ax and bx have the same sign; the lines are in the
+				 * correct order iff
+				 *          ay/ax >= by/bx, or
+				 *          ay*bx >= by*ax
+				 * Eventually we can probably find a better way to test this,
+				 * without using floating point.
+				 */
+	if ((double)ay * bx < (double)by * ax)
+	    swap(ax, bx), swap(ay, by);
+    }
+    fill_trapezoid = dev_proc(dev, fill_trapezoid);
+    qy = py + ay + by;
+    left.start.x = right.start.x = px;
+    left.start.y = right.start.y = py;
+    left.end.x = px + ax;
+    left.end.y = py + ay;
+    right.end.x = px + bx;
+    right.end.y = py + by;
+#define rounded_same(p1, p2)\
+  (fixed_pixround(p1) == fixed_pixround(p2))
+    if (ay < by) {
+	if (!rounded_same(py, left.end.y)) {
+	    code = (*fill_trapezoid) (dev, &left, &right, py, left.end.y,
+				      false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	}
+	left.start = left.end;
+	left.end.x = qx, left.end.y = qy;
+	ym = right.end.y;
+	if (!rounded_same(left.start.y, ym)) {
+	    code = (*fill_trapezoid) (dev, &left, &right, left.start.y, ym,
+				      false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	}
+	right.start = right.end;
+	right.end.x = qx, right.end.y = qy;
+    } else {
+	if (!rounded_same(py, right.end.y)) {
+	    code = (*fill_trapezoid) (dev, &left, &right, py, right.end.y,
+				      false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	}
+	right.start = right.end;
+	right.end.x = qx, right.end.y = qy;
+	ym = left.end.y;
+	if (!rounded_same(right.start.y, ym)) {
+	    code = (*fill_trapezoid) (dev, &left, &right, right.start.y, ym,
+				      false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	}
+	left.start = left.end;
+	left.end.x = qx, left.end.y = qy;
+    }
+    if (!rounded_same(ym, qy))
+	return (*fill_trapezoid) (dev, &left, &right, ym, qy,
+				  false, pdevc, lop);
+    else
+	return 0;
+#undef rounded_same
+#undef swap
+}
+
+/* Fill a triangle whose points are p, p+a, and p+b. */
+/* We should swap axes to get best accuracy, but we don't. */
+int
+gx_default_fill_triangle(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    fixed t;
+    fixed ym;
+
+    dev_proc_fill_trapezoid((*fill_trapezoid)) =
+	dev_proc(dev, fill_trapezoid);
+    gs_fixed_edge left, right;
+    int code;
+
+    /* Ensure ay >= 0, by >= 0. */
+    if (ay < 0)
+	px += ax, py += ay, bx -= ax, by -= ay, ax = -ax, ay = -ay;
+    if (by < 0)
+	px += bx, py += by, ax -= bx, ay -= by, bx = -bx, by = -by;
+    /* Ensure ay <= by. */
+#define swap(r, s) (t = r, r = s, s = t)
+    if (ay > by)
+	swap(ax, bx), swap(ay, by);
+#undef swap
+    /*
+     * Make a special check for a flat bottom or top,
+     * which we can handle with a single call on fill_trapezoid.
+     */
+    left.start.x = right.start.x = px;
+    left.start.y = right.start.y = py;
+    if (ay == 0) {
+	/* Flat top */
+	if (ax < 0)
+	    left.start.x = px + ax;
+	else
+	    right.start.x = px + ax;
+	left.end.x = right.end.x = px + bx;
+	left.end.y = right.end.y = py + by;
+	ym = py;
+    } else if (ay == by) {
+	/* Flat bottom */
+	if (ax < bx)
+	    left.end.x = px + ax, right.end.x = px + bx;
+	else
+	    left.end.x = px + bx, right.end.x = px + ax;
+	left.end.y = right.end.y = py + by;
+	ym = py;
+    } else {
+	ym = py + ay;
+	if (fixed_mult_quo(bx, ay, by) < ax) {
+	    /* The 'b' line is to the left of the 'a' line. */
+	    left.end.x = px + bx, left.end.y = py + by;
+	    right.end.x = px + ax, right.end.y = py + ay;
+	    code = (*fill_trapezoid) (dev, &left, &right, py, ym,
+				      false, pdevc, lop);
+	    right.start = right.end;
+	    right.end = left.end;
+	} else {
+	    /* The 'a' line is to the left of the 'b' line. */
+	    left.end.x = px + ax, left.end.y = py + ay;
+	    right.end.x = px + bx, right.end.y = py + by;
+	    code = (*fill_trapezoid) (dev, &left, &right, py, ym,
+				      false, pdevc, lop);
+	    left.start = left.end;
+	    left.end = right.end;
+	}
+	if (code < 0)
+	    return code;
+    }
+    return (*fill_trapezoid) (dev, &left, &right, ym, right.end.y,
+			      false, pdevc, lop);
+}
+
+/* Draw a one-pixel-wide line. */
+int
+gx_default_draw_thin_line(gx_device * dev,
+			  fixed fx0, fixed fy0, fixed fx1, fixed fy1,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    int ix = fixed2int_var(fx0);
+    int iy = fixed2int_var(fy0);
+    int itox = fixed2int_var(fx1);
+    int itoy = fixed2int_var(fy1);
+
+    return_if_interrupt();
+    if (itoy == iy) {		/* horizontal line */
+	return (ix <= itox ?
+		gx_fill_rectangle_device_rop(ix, iy, itox - ix + 1, 1,
+					     pdevc, dev, lop) :
+		gx_fill_rectangle_device_rop(itox, iy, ix - itox + 1, 1,
+					     pdevc, dev, lop)
+	    );
+    }
+    if (itox == ix) {		/* vertical line */
+	return (iy <= itoy ?
+		gx_fill_rectangle_device_rop(ix, iy, 1, itoy - iy + 1,
+					     pdevc, dev, lop) :
+		gx_fill_rectangle_device_rop(ix, itoy, 1, iy - itoy + 1,
+					     pdevc, dev, lop)
+	    );
+    } {
+	fixed h = fy1 - fy0;
+	fixed w = fx1 - fx0;
+	fixed tf;
+	bool swap_axes;
+	gs_fixed_edge left, right;
+
+#define fswap(a, b) tf = a, a = b, b = tf
+	if ((w < 0 ? -w : w) <= (h < 0 ? -h : h)) {
+	    if (h < 0)
+		fswap(fx0, fx1), fswap(fy0, fy1),
+		    h = -h;
+	    right.start.x = (left.start.x = fx0 - fixed_half) + fixed_1;
+	    right.end.x = (left.end.x = fx1 - fixed_half) + fixed_1;
+	    left.start.y = right.start.y = fy0;
+	    left.end.y = right.end.y = fy1;
+	    swap_axes = false;
+	} else {
+	    if (w < 0)
+		fswap(fx0, fx1), fswap(fy0, fy1),
+		    w = -w;
+	    right.start.x = (left.start.x = fy0 - fixed_half) + fixed_1;
+	    right.end.x = (left.end.x = fy1 - fixed_half) + fixed_1;
+	    left.start.y = right.start.y = fx0;
+	    left.end.y = right.end.y = fx1;
+	    swap_axes = true;
+	}
+	return (*dev_proc(dev, fill_trapezoid)) (dev, &left, &right,
+						 left.start.y, left.end.y,
+						 swap_axes, pdevc, lop);
+#undef fswap
+    }
+}
+
+/* Stub out the obsolete procedure. */
+int
+gx_default_draw_line(gx_device * dev,
+		     int x0, int y0, int x1, int y1, gx_color_index color)
+{
+    return -1;
+}
+
+/* ---------------- Image drawing ---------------- */
+
+/* GC structures for image enumerator */
+public_st_gx_image_enum_common();
+
+#define eptr ((gx_image_enum_common_t *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(image_enum_common_enum_ptrs) return 0;
+
+case 0:
+return ENUM_OBJ(gx_device_enum_ptr(eptr->dev));
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(image_enum_common_reloc_ptrs)
+{
+    eptr->dev = gx_device_reloc_ptr(eptr->dev, gcst);
+}
+RELOC_PTRS_END
+
+#undef eptr
+
+/*
+ * gx_default_begin_image is only invoked for ImageType 1 images.  However,
+ * the argument types are different, and if the device provides a
+ * begin_typed_image procedure, we should use it.  See gxdevice.h.
+ */
+private int
+gx_no_begin_image(gx_device * dev,
+		  const gs_imager_state * pis, const gs_image_t * pim,
+		  gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		  gs_memory_t * memory, gx_image_enum_common_t ** pinfo)
+{
+    return -1;
+}
+int
+gx_default_begin_image(gx_device * dev,
+		       const gs_imager_state * pis, const gs_image_t * pim,
+		       gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		       gs_memory_t * memory, gx_image_enum_common_t ** pinfo)
+{
+    /*
+     * Hand off to begin_typed_image, being careful to avoid a
+     * possible recursion loop.
+     */
+    dev_proc_begin_image((*save_begin_image)) = dev_proc(dev, begin_image);
+    gs_image_t image;
+    const gs_image_t *ptim;
+    int code;
+
+    set_dev_proc(dev, begin_image, gx_no_begin_image);
+    if (pim->format == format)
+	ptim = pim;
+    else {
+	image = *pim;
+	image.format = format;
+	ptim = &image;
+    }
+    code = (*dev_proc(dev, begin_typed_image))
+	(dev, pis, NULL, (const gs_image_common_t *)ptim, prect, pdcolor,
+	 pcpath, memory, pinfo);
+    set_dev_proc(dev, begin_image, save_begin_image);
+    return code;
+}
+
+int
+gx_default_begin_typed_image(gx_device * dev,
+			const gs_imager_state * pis, const gs_matrix * pmat,
+		   const gs_image_common_t * pic, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		      gs_memory_t * memory, gx_image_enum_common_t ** pinfo)
+{	/*
+	 * If this is an ImageType 1 image using the imager's CTM,
+	 * defer to begin_image.
+	 */
+    if (pic->type->begin_typed_image == gx_begin_image1) {
+	const gs_image_t *pim = (const gs_image_t *)pic;
+
+	if (pmat == 0 ||
+	    (pis != 0 && !memcmp(pmat, &ctm_only(pis), sizeof(*pmat)))
+	    ) {
+	    int code = (*dev_proc(dev, begin_image))
+	    (dev, pis, pim, pim->format, prect, pdcolor,
+	     pcpath, memory, pinfo);
+
+	    if (code >= 0)
+		return code;
+	}
+    }
+    return (*pic->type->begin_typed_image)
+	(dev, pis, pmat, pic, prect, pdcolor, pcpath, memory, pinfo);
+}
+
+int
+gx_image_data(gx_image_enum_common_t * info, const byte ** plane_data,
+	      int data_x, uint raster, int height)
+{
+    int num_planes = info->num_planes;
+    gx_image_plane_t planes[gs_image_max_components];
+    int i;
+
+#ifdef DEBUG
+    if (num_planes > gs_image_max_components) {
+	lprintf2("num_planes=%d > gs_image_max_components=%d!\n",
+		 num_planes, gs_image_max_components);
+	return_error(gs_error_Fatal);
+    }
+#endif
+    for (i = 0; i < num_planes; ++i) {
+	planes[i].data = plane_data[i];
+	planes[i].data_x = data_x;
+	planes[i].raster = raster;
+    }
+    return gx_image_plane_data(info, planes, height);
+}
+
+int
+gx_image_plane_data(gx_image_enum_common_t * info,
+		    const gx_image_plane_t * planes, int height)
+{
+    return info->procs->plane_data(info->dev, info, planes, height);
+}
+
+int
+gx_image_end(gx_image_enum_common_t * info, bool draw_last)
+{
+    return info->procs->end_image(info->dev, info, draw_last);
+}
+
+/* Backward compatibility for obsolete driver procedures. */
+
+int
+gx_default_image_data(gx_device *dev, gx_image_enum_common_t * info,
+		      const byte ** plane_data,
+		      int data_x, uint raster, int height)
+{
+    return gx_image_data(info, plane_data, data_x, raster, height);
+}
+
+int
+gx_default_end_image(gx_device *dev, gx_image_enum_common_t * info,
+		     bool draw_last)
+{
+    return gx_image_end(info, draw_last);
+}
diff --git a/pstoraster/gdevdflt.c b/pstoraster/gdevdflt.c
new file mode 100644
index 000000000..7633b7b43
--- /dev/null
+++ b/pstoraster/gdevdflt.c
@@ -0,0 +1,270 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Default device implementation */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsropt.h"
+#include "gxcomp.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#undef mdev
+
+/* ---------------- Default device procedures ---------------- */
+
+/* Fill in NULL procedures in a device procedure record. */
+void
+gx_device_fill_in_procs(register gx_device * dev)
+{
+    gx_device_set_procs(dev);
+    fill_dev_proc(dev, open_device, gx_default_open_device);
+    fill_dev_proc(dev, get_initial_matrix, gx_default_get_initial_matrix);
+    fill_dev_proc(dev, sync_output, gx_default_sync_output);
+    fill_dev_proc(dev, output_page, gx_default_output_page);
+    fill_dev_proc(dev, close_device, gx_default_close_device);
+    fill_dev_proc(dev, map_rgb_color, gx_default_map_rgb_color);
+    fill_dev_proc(dev, map_color_rgb, gx_default_map_color_rgb);
+    /* NOT fill_rectangle */
+    fill_dev_proc(dev, tile_rectangle, gx_default_tile_rectangle);
+    fill_dev_proc(dev, copy_mono, gx_default_copy_mono);
+    fill_dev_proc(dev, copy_color, gx_default_copy_color);
+    fill_dev_proc(dev, obsolete_draw_line, gx_default_draw_line);
+    fill_dev_proc(dev, get_bits, gx_default_get_bits);
+    fill_dev_proc(dev, get_params, gx_default_get_params);
+    fill_dev_proc(dev, put_params, gx_default_put_params);
+    fill_dev_proc(dev, map_cmyk_color, gx_default_map_cmyk_color);
+    fill_dev_proc(dev, get_xfont_procs, gx_default_get_xfont_procs);
+    fill_dev_proc(dev, get_xfont_device, gx_default_get_xfont_device);
+    fill_dev_proc(dev, map_rgb_alpha_color, gx_default_map_rgb_alpha_color);
+    fill_dev_proc(dev, get_page_device, gx_default_get_page_device);
+    fill_dev_proc(dev, get_alpha_bits, gx_default_get_alpha_bits);
+    fill_dev_proc(dev, copy_alpha, gx_default_copy_alpha);
+    fill_dev_proc(dev, get_band, gx_default_get_band);
+    fill_dev_proc(dev, copy_rop, gx_default_copy_rop);
+    fill_dev_proc(dev, fill_path, gx_default_fill_path);
+    fill_dev_proc(dev, stroke_path, gx_default_stroke_path);
+    fill_dev_proc(dev, fill_mask, gx_default_fill_mask);
+    fill_dev_proc(dev, fill_trapezoid, gx_default_fill_trapezoid);
+    fill_dev_proc(dev, fill_parallelogram, gx_default_fill_parallelogram);
+    fill_dev_proc(dev, fill_triangle, gx_default_fill_triangle);
+    fill_dev_proc(dev, draw_thin_line, gx_default_draw_thin_line);
+    fill_dev_proc(dev, begin_image, gx_default_begin_image);
+    /*
+     * We always replace image_data and end_image with the new
+     * procedures, and, if in a DEBUG configuration, print a warning
+     * if the definitions aren't the default ones.
+     */
+#ifdef DEBUG
+#  define CHECK_NON_DEFAULT(proc, default, procname)\
+    BEGIN\
+	if ( dev_proc(dev, proc) != NULL && dev_proc(dev, proc) != default )\
+	    dprintf2("**** Warning: device %s implements obsolete procedure %s\n",\
+		     dev->dname, procname);\
+    END
+#else
+#  define CHECK_NON_DEFAULT(proc, default, procname)\
+    DO_NOTHING
+#endif
+    CHECK_NON_DEFAULT(image_data, gx_default_image_data, "image_data");
+    set_dev_proc(dev, image_data, gx_default_image_data);
+    CHECK_NON_DEFAULT(end_image, gx_default_end_image, "end_image");
+    set_dev_proc(dev, end_image, gx_default_end_image);
+#undef CHECK_NON_DEFAULT
+    fill_dev_proc(dev, strip_tile_rectangle, gx_default_strip_tile_rectangle);
+    fill_dev_proc(dev, strip_copy_rop, gx_default_strip_copy_rop);
+    fill_dev_proc(dev, get_clipping_box, gx_default_get_clipping_box);
+    fill_dev_proc(dev, begin_typed_image, gx_default_begin_typed_image);
+    fill_dev_proc(dev, get_bits_rectangle, gx_default_get_bits_rectangle);
+    fill_dev_proc(dev, map_color_rgb_alpha, gx_default_map_color_rgb_alpha);
+    fill_dev_proc(dev, create_compositor, gx_default_create_compositor);
+    fill_dev_proc(dev, get_hardware_params, gx_default_get_hardware_params);
+    fill_dev_proc(dev, text_begin, gx_default_text_begin);
+}
+
+int
+gx_default_open_device(gx_device * dev)
+{
+    return 0;
+}
+
+/* Get the initial matrix for a device with inverted Y. */
+/* This includes essentially all printers and displays. */
+void
+gx_default_get_initial_matrix(gx_device * dev, register gs_matrix * pmat)
+{
+    pmat->xx = dev->HWResolution[0] / 72.0;	/* x_pixels_per_inch */
+    pmat->xy = 0;
+    pmat->yx = 0;
+    pmat->yy = dev->HWResolution[1] / -72.0;	/* y_pixels_per_inch */
+/****** tx/y is WRONG for devices with ******/
+/****** arbitrary initial matrix ******/
+    pmat->tx = 0;
+    pmat->ty = dev->height;
+}
+/* Get the initial matrix for a device with upright Y. */
+/* This includes just a few printers and window systems. */
+void
+gx_upright_get_initial_matrix(gx_device * dev, register gs_matrix * pmat)
+{
+    pmat->xx = dev->HWResolution[0] / 72.0;	/* x_pixels_per_inch */
+    pmat->xy = 0;
+    pmat->yx = 0;
+    pmat->yy = dev->HWResolution[1] / 72.0;	/* y_pixels_per_inch */
+/****** tx/y is WRONG for devices with ******/
+/****** arbitrary initial matrix ******/
+    pmat->tx = 0;
+    pmat->ty = 0;
+}
+
+int
+gx_default_sync_output(gx_device * dev)
+{
+    return 0;
+}
+
+int
+gx_default_output_page(gx_device * dev, int num_copies, int flush)
+{
+    return (*dev_proc(dev, sync_output)) (dev);
+}
+
+int
+gx_default_close_device(gx_device * dev)
+{
+    return 0;
+}
+
+const gx_xfont_procs *
+gx_default_get_xfont_procs(gx_device * dev)
+{
+    return NULL;
+}
+
+gx_device *
+gx_default_get_xfont_device(gx_device * dev)
+{
+    return dev;
+}
+
+gx_device *
+gx_default_get_page_device(gx_device * dev)
+{
+    return NULL;
+}
+gx_device *
+gx_page_device_get_page_device(gx_device * dev)
+{
+    return dev;
+}
+
+int
+gx_default_get_alpha_bits(gx_device * dev, graphics_object_type type)
+{
+    return 1;
+}
+
+int
+gx_default_get_band(gx_device * dev, int y, int *band_start)
+{
+    return 0;
+}
+
+void
+gx_default_get_clipping_box(gx_device * dev, gs_fixed_rect * pbox)
+{
+    pbox->p.x = 0;
+    pbox->p.y = 0;
+    pbox->q.x = int2fixed(dev->width);
+    pbox->q.y = int2fixed(dev->height);
+}
+void
+gx_get_largest_clipping_box(gx_device * dev, gs_fixed_rect * pbox)
+{
+    pbox->p.x = min_fixed;
+    pbox->p.y = min_fixed;
+    pbox->q.x = max_fixed;
+    pbox->q.y = max_fixed;
+}
+
+int
+gx_no_create_compositor(gx_device * dev, gx_device ** pcdev,
+			const gs_composite_t * pcte, const gs_imager_state * pis, gs_memory_t * memory)
+{
+    return_error(gs_error_unknownerror);	/* not implemented */
+}
+int
+gx_default_create_compositor(gx_device * dev, gx_device ** pcdev,
+			     const gs_composite_t * pcte, const gs_imager_state * pis, gs_memory_t * memory)
+{
+    return (*pcte->type->procs.create_default_compositor)
+	(pcte, pcdev, dev, pis, memory);
+}
+int
+gx_non_imaging_create_compositor(gx_device * dev, gx_device ** pcdev,
+				 const gs_composite_t * pcte, const gs_imager_state * pis, gs_memory_t * memory)
+{
+    *pcdev = dev;
+    return 0;
+}
+
+/* The following is not really a device procedure.  See gxdevice.h. */
+
+/* Create an ordinary memory device for page or band buffering. */
+int
+gx_default_make_buffer_device(gx_device_memory * mdev,
+		       gx_device * target, gs_memory_t * mem, bool for_band)
+{
+    const gx_device_memory *mdproto =
+    gdev_mem_device_for_bits(target->color_info.depth);
+
+    if (mdproto == 0)
+	return_error(gs_error_rangecheck);
+    if (target == (gx_device *) mdev)
+	assign_dev_procs(mdev, mdproto);
+    else
+	gs_make_mem_device(mdev, mdproto, mem, (for_band ? 1 : 0),
+			   (target == (gx_device *) mdev ? 0 : target));
+    return 0;
+}
+
+/* ---------------- Default per-instance procedures ---------------- */
+
+int
+gx_default_install(gx_device * dev, gs_state * pgs)
+{
+    return 0;
+}
+
+int
+gx_default_begin_page(gx_device * dev, gs_state * pgs)
+{
+    return 0;
+}
+
+int
+gx_default_end_page(gx_device * dev, int reason, gs_state * pgs)
+{
+    return (reason != 2 ? 1 : 0);
+}
diff --git a/pstoraster/gdevdgbr.c b/pstoraster/gdevdgbr.c
new file mode 100644
index 000000000..c15669695
--- /dev/null
+++ b/pstoraster/gdevdgbr.c
@@ -0,0 +1,586 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Default implementation of device get_bits[_rectangle] */
+#include "gx.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxgetbit.h"
+#include "gxlum.h"
+#include "gdevmem.h"
+
+int
+gx_no_get_bits(gx_device * dev, int y, byte * data, byte ** actual_data)
+{
+    return_error(gs_error_unknownerror);
+}
+int
+gx_default_get_bits(gx_device * dev, int y, byte * data, byte ** actual_data)
+{	/*
+	 * Hand off to get_bits_rectangle, being careful to avoid a
+	 * possible recursion loop.
+	 */
+    dev_proc_get_bits((*save_get_bits)) = dev_proc(dev, get_bits);
+    gs_int_rect rect;
+    gs_get_bits_params_t params;
+    int code;
+
+    rect.p.x = 0, rect.p.y = y;
+    rect.q.x = dev->width, rect.q.y = y + 1;
+    params.options =
+	(actual_data ? GB_RETURN_POINTER : 0) | GB_RETURN_COPY |
+	(GB_ALIGN_STANDARD | GB_OFFSET_0 | GB_RASTER_STANDARD |
+    /* No depth specified, we always use native colors. */
+	 GB_PACKING_CHUNKY | GB_COLORS_NATIVE | GB_ALPHA_NONE);
+    params.x_offset = 0;
+    params.raster = bitmap_raster(dev->width * dev->color_info.depth);
+    params.data[0] = data;
+    set_dev_proc(dev, get_bits, gx_no_get_bits);
+    code = (*dev_proc(dev, get_bits_rectangle))
+	(dev, &rect, &params, NULL);
+    if (actual_data)
+	*actual_data = params.data[0];
+    set_dev_proc(dev, get_bits, save_get_bits);
+    return code;
+}
+
+/*
+ * Determine whether we can satisfy a request by simply using the stored
+ * representation.
+ */
+private bool
+requested_includes_stored(gs_get_bits_options_t requested,
+			  gs_get_bits_options_t stored)
+{
+    gs_get_bits_options_t both = requested & stored;
+
+    if (!(both & GB_PACKING_ALL))
+	return false;
+    if (both & GB_COLORS_NATIVE)
+	return true;
+    if (both & GB_COLORS_STANDARD_ALL) {
+	if ((both & GB_ALPHA_ALL) && (both & GB_DEPTH_ALL))
+	    return true;
+    }
+    return false;
+}
+
+/*
+ * Try to implement get_bits_rectangle by returning a pointer.
+ * Note that dev is used only for computing the default raster
+ * and for color_info.depth.
+ * This routine does not check x or h for validity.
+ */
+int
+gx_get_bits_return_pointer(gx_device * dev, int x, int h,
+		gs_get_bits_params_t * params, gs_get_bits_options_t stored,
+			   byte * stored_base)
+{
+    gs_get_bits_options_t options = params->options;
+
+    if (!(options & GB_RETURN_POINTER) ||
+	!requested_includes_stored(options, stored)
+	)
+	return -1;
+    /*
+     * See whether we can return the bits in place.  Note that even if
+     * offset_any isn't set, x_offset and x don't have to be equal: their
+     * bit offsets only have to match modulo align_bitmap_mod * 8 (to
+     * preserve alignment) if align_any isn't set, or mod 8 (since
+     * byte alignment is always required) if align_any is set.
+     */
+    {
+	int depth = dev->color_info.depth;
+	uint dev_raster = gx_device_raster(dev, 1);
+	uint raster =
+	(options & (GB_RASTER_STANDARD | GB_RASTER_ANY) ? dev_raster :
+	 params->raster);
+
+	if (h <= 1 || raster == dev_raster) {
+	    int x_offset =
+	    (options & GB_OFFSET_ANY ? x :
+	     options & GB_OFFSET_0 ? 0 : params->x_offset);
+
+	    if (x_offset == x) {
+		params->data[0] = stored_base;
+		params->x_offset = x;
+	    } else {
+		uint align_mod =
+		(options & GB_ALIGN_ANY ? 8 : align_bitmap_mod * 8);
+		int bit_offset = x - x_offset;
+		int bytes;
+
+		if (bit_offset & (align_mod - 1))
+		    return -1;	/* can't align */
+		if (depth & (depth - 1)) {
+		    /* step = lcm(depth, align_mod) */
+		    int step = depth / igcd(depth, align_mod) * align_mod;
+
+		    bytes = bit_offset / step * step;
+		} else {
+		    /* Use a faster algorithm if depth is a power of 2. */
+		    bytes = bit_offset & (-depth & -align_mod);
+		}
+		params->data[0] = stored_base + arith_rshift(bytes, 3);
+		params->x_offset = (bit_offset - bytes) / depth;
+	    }
+	    params->options =
+		GB_ALIGN_STANDARD | GB_RETURN_POINTER | GB_RASTER_STANDARD |
+		GB_PACKING_CHUNKY | stored |
+		(params->x_offset == 0 ? GB_OFFSET_0 : GB_OFFSET_SPECIFIED);
+	    return 0;
+	}
+    }
+    return -1;
+}
+
+/*
+ * Convert pixels between representations, primarily for get_bits_rectangle.
+ * stored indicates how the data are actually stored, and includes:
+ *      - one option from the GB_PACKING group;
+ *      - if h > 1, one option from the GB_RASTER group;
+ *      - optionally (and normally), GB_COLORS_NATIVE;
+ *      - optionally, one option each from the GB_COLORS_STANDARD, GB_DEPTH,
+ *      and GB_ALPHA groups.
+ * Note that dev is used only for color mapping.  This routine assumes that
+ * the stored data are aligned.
+ *
+ * Note: this routine does not check x, w, h for validity.
+ */
+int
+gx_get_bits_copy(gx_device * dev, int x, int w, int h,
+		 gs_get_bits_params_t * params, gs_get_bits_options_t stored,
+		 const byte * src_base, uint dev_raster)
+{
+    gs_get_bits_options_t options = params->options;
+    byte *data = params->data[0];
+    int depth = dev->color_info.depth;
+    int bit_x = x * depth;
+    const byte *src = src_base;
+
+    /*
+     * If the stored representation matches a requested representation,
+     * we can copy the data without any transformations.
+     */
+    bool direct_copy = requested_includes_stored(options, stored);
+
+    /*
+     * The request must include GB_PACKING_CHUNKY, GB_RETURN_COPY,
+     * and an offset and raster specification.
+     */
+    if ((~options & (GB_PACKING_CHUNKY | GB_RETURN_COPY)) ||
+	!(options & (GB_OFFSET_0 | GB_OFFSET_SPECIFIED)) ||
+	!(options & (GB_RASTER_STANDARD | GB_RASTER_SPECIFIED))
+	)
+	return_error(gs_error_rangecheck);
+    {
+	int x_offset = (options & GB_OFFSET_0 ? 0 : params->x_offset);
+	int end_bit = (x_offset + w) * depth;
+	uint std_raster =
+	(options & GB_ALIGN_STANDARD ? bitmap_raster(end_bit) :
+	 (end_bit + 7) >> 3);
+	uint raster =
+	(options & GB_RASTER_STANDARD ? std_raster : params->raster);
+	int dest_bit_x = x_offset * depth;
+	int skew = bit_x - dest_bit_x;
+
+	/*
+	 * If the bit positions line up, use bytes_copy_rectangle.
+	 * Since bytes_copy_rectangle doesn't require alignment,
+	 * the bit positions only have to match within a byte,
+	 * not within align_bitmap_mod bytes.
+	 */
+	if (!(skew & 7) && direct_copy) {
+	    int bit_w = w * depth;
+
+	    bytes_copy_rectangle(data + (dest_bit_x >> 3), raster,
+				 src + (bit_x >> 3), dev_raster,
+			      ((bit_x + bit_w + 7) >> 3) - (bit_x >> 3), h);
+	} else if (direct_copy) {
+	    /*
+	     * Use the logic already in mem_mono_copy_mono to copy the
+	     * bits to the destination.  We do this one line at a time,
+	     * to avoid having to allocate a line pointer table.
+	     */
+	    gx_device_memory tdev;
+	    byte *line_ptr = data;
+
+	    tdev.line_ptrs = &tdev.base;
+	    for (; h > 0; line_ptr += raster, src += dev_raster, --h) {
+		/* Make sure the destination is aligned. */
+		int align = alignment_mod(line_ptr, align_bitmap_mod);
+
+		tdev.base = line_ptr - align;
+		(*dev_proc(&mem_mono_device, copy_mono))
+		    ((gx_device *) & tdev, src, bit_x, dev_raster, gx_no_bitmap_id,
+		     dest_bit_x + (align << 3), 0, w, 1,
+		     (gx_color_index) 0, (gx_color_index) 1);
+	    }
+	} else if (options & ~stored & GB_COLORS_NATIVE) {
+	    /*
+	     * Convert standard colors to native.  Note that the source
+	     * may have depths other than 8 bits per component.
+	     */
+	    int dest_bit_offset = x_offset * depth;
+	    byte *dest_line = data + (dest_bit_offset >> 3);
+	    int ncolors =
+	    (stored & GB_COLORS_RGB ? 3 : stored & GB_COLORS_CMYK ? 4 :
+	     stored & GB_COLORS_GRAY ? 1 : -1);
+	    int ncomp = ncolors +
+	    ((stored & (GB_ALPHA_FIRST | GB_ALPHA_LAST)) != 0);
+	    int src_depth = GB_OPTIONS_DEPTH(stored);
+	    int src_bit_offset = x * src_depth * ncomp;
+	    const byte *src_line = src_base + (src_bit_offset >> 3);
+	    gx_color_value src_max = (1 << src_depth) - 1;
+
+#define v2cv(value) ((ulong)(value) * gx_max_color_value / src_max)
+	    gx_color_value alpha_default = src_max;
+
+	    options &= ~GB_COLORS_ALL | GB_COLORS_NATIVE;
+	    for (; h > 0; dest_line += raster, src_line += dev_raster, --h) {
+		int i;
+
+		sample_load_declare_setup(src, sbit, src_line,
+					  src_bit_offset & 7, src_depth);
+		sample_store_declare_setup(dest, dbit, dbyte, dest_line,
+					   dest_bit_offset & 7, depth);
+
+		for (i = 0; i < w; ++i) {
+		    int j;
+		    gx_color_value v[4], va = alpha_default;
+		    gx_color_index pixel;
+
+		    /* Fetch the source data. */
+		    if (stored & GB_ALPHA_FIRST) {
+			sample_load_next16(va, src, sbit, src_depth);
+			va = v2cv(va);
+		    }
+		    for (j = 0; j < ncolors; ++j) {
+			gx_color_value vj;
+
+			sample_load_next16(vj, src, sbit, src_depth);
+			v[j] = v2cv(vj);
+		    }
+		    if (stored & GB_ALPHA_LAST) {
+			sample_load_next16(va, src, sbit, src_depth);
+			va = v2cv(va);
+		    }
+		    /* Convert and store the pixel value. */
+		    switch (ncolors) {
+			case 1:
+			    v[2] = v[1] = v[0];
+			case 3:
+			    pixel = (*dev_proc(dev, map_rgb_alpha_color))
+				(dev, v[0], v[1], v[2], va);
+			    break;
+			case 4:
+			    /****** NO ALPHA FOR CMYK ******/
+			    pixel = (*dev_proc(dev, map_cmyk_color))
+				(dev, v[0], v[1], v[2], v[3]);
+			    break;
+			default:
+			    return_error(gs_error_rangecheck);
+		    }
+		    sample_store_next32(pixel, dest, dbit, depth, dbyte);
+		}
+		sample_store_flush(dest, dbit, depth, dbyte);
+	    }
+	} else if (!(options & GB_DEPTH_8)) {
+	    /*
+	     * We don't support general depths yet, or conversion between
+	     * different formats.  Punt.
+	     */
+	    return_error(gs_error_rangecheck);
+	} else {
+	    /*
+	     * We have to do some conversion to each pixel.  This is the
+	     * slowest, most general case.
+	     */
+	    int src_bit_offset = x * depth;
+	    const byte *src_line = src_base + (src_bit_offset >> 3);
+	    int ncomp =
+	    (options & (GB_ALPHA_FIRST | GB_ALPHA_LAST) ? 4 : 3);
+	    byte *dest_line = data + x_offset * ncomp;
+
+	    /* Pick the representation that's most likely to be useful. */
+	    if (options & GB_COLORS_RGB)
+		options &= ~GB_COLORS_STANDARD_ALL | GB_COLORS_RGB;
+	    else if (options & GB_COLORS_CMYK)
+		options &= ~GB_COLORS_STANDARD_ALL | GB_COLORS_CMYK;
+	    else if (options & GB_COLORS_GRAY)
+		options &= ~GB_COLORS_STANDARD_ALL | GB_COLORS_GRAY;
+	    else
+		return_error(gs_error_rangecheck);
+	    for (; h > 0; dest_line += raster, src_line += dev_raster, --h) {
+		int i;
+
+		sample_load_declare_setup(src, bit, src_line, src_bit_offset & 7,
+					  depth);
+		byte *dest = dest_line;
+
+		for (i = 0; i < w; ++i) {
+		    gx_color_index pixel = 0;
+		    gx_color_value rgba[4];
+
+		    sample_load_next32(pixel, src, bit, depth);
+		    (*dev_proc(dev, map_color_rgb_alpha)) (dev, pixel, rgba);
+		    if (options & GB_ALPHA_FIRST)
+			*dest++ = gx_color_value_to_byte(rgba[3]);
+		    /* Convert to the requested color space. */
+		    if (options & GB_COLORS_RGB) {
+			dest[0] = gx_color_value_to_byte(rgba[0]);
+			dest[1] = gx_color_value_to_byte(rgba[1]);
+			dest[2] = gx_color_value_to_byte(rgba[2]);
+			dest += 3;
+		    } else if (options & GB_COLORS_CMYK) {
+			/* Use the standard RGB to CMYK algorithm, */
+			/* with maximum black generation and undercolor removal. */
+			gx_color_value white = max(rgba[0], max(rgba[1], rgba[2]));
+
+			dest[0] = gx_color_value_to_byte(white - rgba[0]);
+			dest[1] = gx_color_value_to_byte(white - rgba[1]);
+			dest[2] = gx_color_value_to_byte(white - rgba[2]);
+			dest[3] = gx_color_value_to_byte(gx_max_color_value - white);
+			dest += 4;
+		    } else {	/* GB_COLORS_GRAY */
+			/* Use the standard RGB to Gray algorithm. */
+			*dest++ = gx_color_value_to_byte(
+				       ((rgba[0] * (ulong) lum_red_weight) +
+				      (rgba[1] * (ulong) lum_green_weight) +
+					(rgba[2] * (ulong) lum_blue_weight) +
+					(lum_all_weights / 2))
+							 / lum_all_weights);
+		    }
+		    if (options & GB_ALPHA_LAST)
+			*dest++ = gx_color_value_to_byte(rgba[3]);
+		}
+	    }
+	}
+	params->options =
+	    (options & (GB_COLORS_ALL | GB_ALPHA_ALL)) | GB_PACKING_CHUNKY |
+	    (options & GB_COLORS_NATIVE ? 0 : options & GB_DEPTH_ALL) |
+	    (options & GB_ALIGN_STANDARD ? GB_ALIGN_STANDARD : GB_ALIGN_ANY) |
+	    GB_RETURN_COPY |
+	    (x_offset == 0 ? GB_OFFSET_0 : GB_OFFSET_SPECIFIED) |
+	    (raster == std_raster ? GB_RASTER_STANDARD : GB_RASTER_SPECIFIED);
+    }
+    return 0;
+}
+
+int
+gx_no_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    return_error(gs_error_unknownerror);
+}
+int
+gx_default_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    dev_proc_get_bits_rectangle((*save_get_bits_rectangle)) =
+	dev_proc(dev, get_bits_rectangle);
+    int depth = dev->color_info.depth;
+    uint min_raster = (dev->width * depth + 7) >> 3;
+    gs_get_bits_options_t options = params->options;
+    int code;
+
+    /* Avoid a recursion loop. */
+    set_dev_proc(dev, get_bits_rectangle, gx_no_get_bits_rectangle);
+    /*
+     * If the parameters are right, try to call get_bits directly.  Note
+     * that this may fail if a device only implements get_bits_rectangle
+     * (not get_bits) for a limited set of options.  Note also that this
+     * must handle the case of the recursive call from within
+     * get_bits_rectangle (see below): because of this, and only because
+     * of this, it must handle partial scan lines.
+     */
+    if (prect->q.y == prect->p.y + 1 &&
+	!(~options &
+	  (GB_RETURN_COPY | GB_PACKING_CHUNKY | GB_COLORS_NATIVE)) &&
+	(options & (GB_ALIGN_STANDARD | GB_ALIGN_ANY)) &&
+	((options & (GB_OFFSET_0 | GB_OFFSET_ANY)) ||
+	 ((options & GB_OFFSET_SPECIFIED) && params->x_offset == 0)) &&
+	((options & (GB_RASTER_STANDARD | GB_RASTER_ANY)) ||
+	 ((options & GB_RASTER_SPECIFIED) &&
+	  params->raster >= min_raster)) &&
+	unread == NULL
+	) {
+	byte *data = params->data[0];
+	byte *row = data;
+
+	if (!(prect->p.x == 0 && prect->q.x == dev->width)) {
+	    /* Allocate an intermediate row buffer. */
+	    row = gs_alloc_bytes(dev->memory, min_raster,
+				 "gx_default_get_bits_rectangle");
+
+	    if (row == 0) {
+		code = gs_note_error(gs_error_VMerror);
+		goto ret;
+	    }
+	}
+	code = (*dev_proc(dev, get_bits))
+	    (dev, prect->p.y, row, &params->data[0]);
+	if (code >= 0) {
+	    if (row != data) {
+		if (prect->p.x == 0 && params->data[0] != row) {
+		    /*
+		     * get_bits returned an appropriate pointer: we can
+		     * avoid doing any copying.
+		     */
+		    DO_NOTHING;
+		} else {
+		    /* Copy the partial row into the supplied buffer. */
+		    int width_bits = (prect->q.x - prect->p.x) * depth;
+		    gx_device_memory tdev;
+
+		    tdev.width = width_bits;
+		    tdev.height = 1;
+		    tdev.line_ptrs = &tdev.base;
+		    tdev.base = data;
+		    code = (*dev_proc(&mem_mono_device, copy_mono))
+			((gx_device *) & tdev, params->data[0], prect->p.x * depth,
+			 min_raster, gx_no_bitmap_id, 0, 0, width_bits, 1,
+			 (gx_color_index) 0, (gx_color_index) 1);
+		    params->data[0] = data;
+		}
+		gs_free_object(dev->memory, row,
+			       "gx_default_get_bits_rectangle");
+	    }
+	    params->options =
+		GB_ALIGN_STANDARD | GB_OFFSET_0 | GB_PACKING_CHUNKY |
+		GB_ALPHA_NONE | GB_COLORS_NATIVE | GB_RASTER_STANDARD |
+		(params->data[0] == data ? GB_RETURN_COPY : GB_RETURN_POINTER);
+	    goto ret;
+	}
+    } {
+	/* Do the transfer row-by-row using a buffer. */
+	int x = prect->p.x, w = prect->q.x - x;
+	int bits_per_pixel = depth;
+	byte *row;
+
+	if (options & GB_COLORS_STANDARD_ALL) {
+	    /*
+	     * Make sure the row buffer can hold the standard color
+	     * representation, in case the device decides to use it.
+	     */
+	    int bpc = GB_OPTIONS_MAX_DEPTH(options);
+	    int nc =
+	    (options & GB_COLORS_CMYK ? 4 :
+	     options & GB_COLORS_RGB ? 3 : 1) +
+	    (options & (GB_ALPHA_ALL - GB_ALPHA_NONE) ? 1 : 0);
+	    int bpp = bpc * nc;
+
+	    if (bpp > bits_per_pixel)
+		bits_per_pixel = bpp;
+	}
+	row = gs_alloc_bytes(dev->memory, (bits_per_pixel * w + 7) >> 3,
+			     "gx_default_get_bits_rectangle");
+	if (row == 0) {
+	    code = gs_note_error(gs_error_VMerror);
+	} else {
+	    uint dev_raster = gx_device_raster(dev, true);
+	    uint raster =
+	    (options & GB_RASTER_SPECIFIED ? params->raster :
+	     options & GB_ALIGN_STANDARD ? bitmap_raster(depth * w) :
+	     (depth * w + 7) >> 3);
+	    gs_int_rect rect;
+	    gs_get_bits_params_t copy_params;
+	    gs_get_bits_options_t copy_options =
+	    GB_ALIGN_ANY | (GB_RETURN_COPY | GB_RETURN_POINTER) |
+	    (GB_OFFSET_0 | GB_OFFSET_ANY) |
+	    (GB_RASTER_STANDARD | GB_RASTER_ANY) | GB_PACKING_CHUNKY |
+	    GB_COLORS_NATIVE | (options & (GB_DEPTH_ALL | GB_COLORS_ALL)) |
+	    GB_ALPHA_ALL;
+	    byte *dest = params->data[0];
+	    int y;
+
+	    rect.p.x = x, rect.q.x = x + w;
+	    code = 0;
+	    for (y = prect->p.y; y < prect->q.y; ++y) {
+		rect.p.y = y, rect.q.y = y + 1;
+		copy_params.options = copy_options;
+		copy_params.data[0] = row;
+		code = (*save_get_bits_rectangle)
+		    (dev, &rect, &copy_params, NULL);
+		if (code < 0)
+		    break;
+		if (copy_params.options & GB_OFFSET_0)
+		    copy_params.x_offset = 0;
+		params->data[0] = dest + (y - prect->p.y) * raster;
+		code = gx_get_bits_copy(dev, copy_params.x_offset, w, 1,
+					params, copy_params.options,
+					copy_params.data[0], dev_raster);
+		if (code < 0)
+		    break;
+	    }
+	    gs_free_object(dev->memory, row, "gx_default_get_bits_rectangle");
+	    params->data[0] = dest;
+	}
+    }
+  ret:set_dev_proc(dev, get_bits_rectangle, save_get_bits_rectangle);
+    return (code < 0 ? code : 0);
+}
+
+/* ------ Debugging printout ------ */
+
+#ifdef DEBUG
+
+void
+debug_print_gb_options(gx_bitmap_format_t options)
+{
+    static const char *const option_names[] =
+    {
+	GX_BITMAP_FORMAT_NAMES
+    };
+    const char *prev = "   ";
+    int i;
+
+    dlprintf1("0x%lx", (ulong) options);
+    for (i = 0; i < sizeof(options) * 8; ++i)
+	if ((options >> i) & 1) {
+	    dprintf2("%c%s",
+		     (!memcmp(prev, option_names[i], 3) ? '|' : ','),
+		     option_names[i]);
+	    prev = option_names[i];
+	}
+    dputc('\n');
+}
+
+void 
+debug_print_gb_params(gs_get_bits_params_t * params)
+{
+    gs_get_bits_options_t options = params->options;
+
+    debug_print_gb_options(options);
+    dprintf1("data[0]=0x%lx", (ulong) params->data[0]);
+    if (options & GB_OFFSET_SPECIFIED)
+	dprintf1(" x_offset=%d", params->x_offset);
+    if (options & GB_RASTER_SPECIFIED)
+	dprintf1(" raster=%u", params->raster);
+    dputc('\n');
+}
+
+#endif /* DEBUG */
diff --git a/pstoraster/gdevhit.c b/pstoraster/gdevhit.c
new file mode 100644
index 000000000..9e16a2a0d
--- /dev/null
+++ b/pstoraster/gdevhit.c
@@ -0,0 +1,98 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Hit detection device */
+#include "std.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gxdevice.h"
+
+/* Define the value returned for a detected hit. */
+const int gs_hit_detected = gs_error_hit_detected;
+
+/*
+ * Define a minimal device for insideness testing.
+ * It returns e_hit whenever it is asked to actually paint any pixels.
+ */
+private dev_proc_fill_rectangle(hit_fill_rectangle);
+const gx_device gs_hit_device =
+{std_device_std_body(gx_device, 0, "hit detector",
+		     0, 0, 1, 1),
+ {NULL,				/* open_device */
+  NULL,				/* get_initial_matrix */
+  NULL,				/* sync_output */
+  NULL,				/* output_page */
+  NULL,				/* close_device */
+  gx_default_map_rgb_color,
+  gx_default_map_color_rgb,
+  hit_fill_rectangle,
+  NULL,				/* tile_rectangle */
+  NULL,				/* copy_mono */
+  NULL,				/* copy_color */
+  gx_default_draw_line,
+  NULL,				/* get_bits */
+  NULL,				/* get_params */
+  NULL,				/* put_params */
+  gx_default_map_cmyk_color,
+  NULL,				/* get_xfont_procs */
+  NULL,				/* get_xfont_device */
+  gx_default_map_rgb_alpha_color,
+  gx_default_get_page_device,
+  gx_default_get_alpha_bits,
+  NULL,				/* copy_alpha */
+  gx_default_get_band,
+  NULL,				/* copy_rop */
+  gx_default_fill_path,
+  NULL,				/* stroke_path */
+  NULL,				/* fill_mask */
+  gx_default_fill_trapezoid,
+  gx_default_fill_parallelogram,
+  gx_default_fill_triangle,
+  gx_default_draw_thin_line,
+  gx_default_begin_image,
+  gx_default_image_data,
+  gx_default_end_image,
+  gx_default_strip_tile_rectangle,
+  gx_default_strip_copy_rop,
+  gx_get_largest_clipping_box,
+  gx_default_begin_typed_image,
+  NULL,				/* get_bits_rectangle */
+  gx_default_map_color_rgb_alpha,
+  gx_non_imaging_create_compositor,
+  NULL				/* get_hardware_params */
+ }
+};
+
+/* Test for a hit when filling a rectangle. */
+private int
+hit_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+		   gx_color_index color)
+{
+    if (w > 0 && h > 0)
+	return_error(gs_error_hit_detected);
+    return 0;
+}
diff --git a/pstoraster/gdevht.h b/pstoraster/gdevht.h
new file mode 100644
index 000000000..a2f665f12
--- /dev/null
+++ b/pstoraster/gdevht.h
@@ -0,0 +1,51 @@
+/* Copyright (C) 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h */
+
+#ifndef gdevht_INCLUDED
+#  define gdevht_INCLUDED
+
+#include "gzht.h"
+
+/*
+ * A halftoning device converts between a non-halftoned device color space
+ * (e.g., 8-bit gray) and a halftoned space (e.g., 1-bit black and white).
+ * We represent colors by packing the two colors being halftoned and the
+ * halftone level into a gx_color_index.
+ */
+typedef struct gx_device_ht_s {
+    gx_device_forward_common;
+    /* Following + target are set before opening. */
+    const gx_device_halftone *dev_ht;
+    gs_int_point ht_phase;	/* halftone phase from gstate */
+    /* Following are computed when device is opened. */
+    int color_shift;		/* # of bits of color */
+    int level_shift;		/* = color_shift * 2 */
+    gx_color_index color_mask;	/* (1 << color_shift) - 1 */
+    gs_int_point phase;		/* halftone tile offset */
+} gx_device_ht;
+
+#endif /* gdevht_INCLUDED */
diff --git a/pstoraster/gdevm1.c b/pstoraster/gdevm1.c
new file mode 100644
index 000000000..231a14d6e
--- /dev/null
+++ b/pstoraster/gdevm1.c
@@ -0,0 +1,759 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Monobit "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+extern dev_proc_strip_copy_rop(mem_mono_strip_copy_rop);	/* in gdevmrop.c */
+
+/* Optionally, use the slow RasterOp implementations for testing. */
+/*#define USE_COPY_ROP */
+
+#ifdef USE_COPY_ROP
+#include "gsrop.h"
+#endif
+
+/* ================ Standard (byte-oriented) device ================ */
+
+/* We went to a lot of trouble to optimize mem_mono_tile_rectangle. */
+/* It has a substantial effect on the total time at high resolutions. */
+/* However, it takes quite a lot of code, so we omit it on 16-bit systems. */
+#define OPTIMIZE_TILE (arch_sizeof_int > 2)
+
+/* Procedures */
+private dev_proc_map_rgb_color(mem_mono_map_rgb_color);
+private dev_proc_map_color_rgb(mem_mono_map_color_rgb);
+private dev_proc_copy_mono(mem_mono_copy_mono);
+private dev_proc_fill_rectangle(mem_mono_fill_rectangle);
+
+#if OPTIMIZE_TILE
+private dev_proc_strip_tile_rectangle(mem_mono_strip_tile_rectangle);
+
+#else
+#  define mem_mono_strip_tile_rectangle gx_default_strip_tile_rectangle
+#endif
+
+/* The device descriptor. */
+/* The instance is public. */
+const gx_device_memory mem_mono_device =
+mem_full_alpha_device("image1", 0, 1, mem_open,
+		      mem_mono_map_rgb_color, mem_mono_map_color_rgb,
+	 mem_mono_copy_mono, gx_default_copy_color, mem_mono_fill_rectangle,
+		      gx_default_map_cmyk_color, gx_no_copy_alpha,
+		      mem_mono_strip_tile_rectangle, mem_mono_strip_copy_rop,
+		      mem_get_bits_rectangle);
+
+/* Map color to/from RGB.  This may be inverted. */
+private gx_color_index
+mem_mono_map_rgb_color(gx_device * dev, gx_color_value r, gx_color_value g,
+		       gx_color_value b)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    return (gx_default_w_b_map_rgb_color(dev, r, g, b) ^
+	    mdev->palette.data[0]) & 1;
+}
+private int
+mem_mono_map_color_rgb(gx_device * dev, gx_color_index color,
+		       gx_color_value prgb[3])
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    return gx_default_w_b_map_color_rgb(dev,
+					(color ^ mdev->palette.data[0]) & 1,
+					prgb);
+}
+
+/* Fill a rectangle with a color. */
+private int
+mem_mono_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+#ifdef USE_COPY_ROP
+    return mem_mono_copy_rop(dev, NULL, 0, 0, gx_no_bitmap_id, NULL,
+			     NULL, NULL,
+			     x, y, w, h, 0, 0,
+			     (color ? rop3_1 : rop3_0));
+#else
+    fit_fill(dev, x, y, w, h);
+    bits_fill_rectangle(scan_line_base(mdev, y), x, mdev->raster,
+			-(mono_fill_chunk) color, w, h);
+    return 0;
+#endif
+}
+
+/* Convert x coordinate to byte offset in scan line. */
+#define x_to_byte(x) ((x) >> 3)
+
+/* Copy a monochrome bitmap. */
+#undef mono_masks
+#define mono_masks mono_copy_masks
+
+/*
+ * Fetch a chunk from the source.
+ *
+ * Since source and destination are both always big-endian,
+ * fetching an aligned chunk never requires byte swapping.
+ */
+#define CFETCH_ALIGNED(cptr)\
+  (*(const chunk *)(cptr))
+
+/*
+ * Note that the macros always cast cptr,
+ * so it doesn't matter what the type of cptr is.
+ */
+/* cshift = chunk_bits - shift. */
+#undef chunk
+#if arch_is_big_endian
+#  define chunk uint
+#  define CFETCH_RIGHT(cptr, shift, cshift)\
+	(CFETCH_ALIGNED(cptr) >> shift)
+#  define CFETCH_LEFT(cptr, shift, cshift)\
+	(CFETCH_ALIGNED(cptr) << shift)
+/* Fetch a chunk that straddles a chunk boundary. */
+#  define CFETCH2(cptr, cskew, skew)\
+    (CFETCH_LEFT(cptr, cskew, skew) +\
+     CFETCH_RIGHT((const chunk *)(cptr) + 1, skew, cskew))
+#else /* little-endian */
+#  define chunk bits16
+private const bits16 right_masks2[9] =
+{
+    0xffff, 0x7f7f, 0x3f3f, 0x1f1f, 0x0f0f, 0x0707, 0x0303, 0x0101, 0x0000
+};
+private const bits16 left_masks2[9] =
+{
+    0xffff, 0xfefe, 0xfcfc, 0xf8f8, 0xf0f0, 0xe0e0, 0xc0c0, 0x8080, 0x0000
+};
+
+#  define CCONT(cptr, off) (((const chunk *)(cptr))[off])
+#  define CFETCH_RIGHT(cptr, shift, cshift)\
+	((shift) < 8 ?\
+	 ((CCONT(cptr, 0) >> (shift)) & right_masks2[shift]) +\
+	  (CCONT(cptr, 0) << (cshift)) :\
+	 ((chunk)*(const byte *)(cptr) << (cshift)) & 0xff00)
+#  define CFETCH_LEFT(cptr, shift, cshift)\
+	((shift) < 8 ?\
+	 ((CCONT(cptr, 0) << (shift)) & left_masks2[shift]) +\
+	  (CCONT(cptr, 0) >> (cshift)) :\
+	 ((CCONT(cptr, 0) & 0xff00) >> (cshift)) & 0xff)
+/* Fetch a chunk that straddles a chunk boundary. */
+/* We can avoid testing the shift amount twice */
+/* by expanding the CFETCH_LEFT/right macros in-line. */
+#  define CFETCH2(cptr, cskew, skew)\
+	((cskew) < 8 ?\
+	 ((CCONT(cptr, 0) << (cskew)) & left_masks2[cskew]) +\
+	  (CCONT(cptr, 0) >> (skew)) +\
+	  (((chunk)(((const byte *)(cptr))[2]) << (cskew)) & 0xff00) :\
+	 (((CCONT(cptr, 0) & 0xff00) >> (skew)) & 0xff) +\
+	  ((CCONT(cptr, 1) >> (skew)) & right_masks2[skew]) +\
+	   (CCONT(cptr, 1) << (cskew)))
+#endif
+
+typedef enum {
+    COPY_OR = 0, COPY_STORE, COPY_AND, COPY_FUNNY
+} copy_function;
+typedef struct {
+    uint invert;
+    copy_function op;
+} copy_mode;
+
+/*
+ * Map from <color0,color1> to copy_mode.
+ * Logically, this is a 2-D array.
+ * The indexing is (transparent, 0, 1, unused). */
+private const copy_mode copy_modes[16] =
+{
+    {~0UL, COPY_FUNNY},		/* NN */
+    {~0UL, COPY_AND},		/* N0 */
+    {0, COPY_OR},		/* N1 */
+    {0, 0},			/* unused */
+    {0, COPY_AND},		/* 0N */
+    {0, COPY_FUNNY},		/* 00 */
+    {0, COPY_STORE},		/* 01 */
+    {0, 0},			/* unused */
+    {~0UL, COPY_OR},		/* 1N */
+    {~0UL, COPY_STORE},		/* 10 */
+    {0, COPY_FUNNY},		/* 11 */
+    {0, 0},			/* unused */
+    {0, 0},			/* unused */
+    {0, 0},			/* unused */
+    {0, 0},			/* unused */
+    {0, 0},			/* unused */
+};
+
+/* Handle the funny cases that aren't supposed to happen. */
+#define FUNNY_CASE()\
+  (invert ? gs_note_error(-1) :\
+   mem_mono_fill_rectangle(dev, x, y, w, h, color0))
+
+private int
+mem_mono_copy_mono(gx_device * dev,
+ const byte * source_data, int source_x, int source_raster, gx_bitmap_id id,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+#ifdef USE_COPY_ROP
+    return mem_mono_copy_rop(dev, source_data, source_x, source_raster,
+			     id, NULL, NULL, NULL,
+			     x, y, w, h, 0, 0,
+			     ((color0 == gx_no_color_index ? rop3_D :
+			       color0 == 0 ? rop3_0 : rop3_1) & ~rop3_S) |
+			     ((color1 == gx_no_color_index ? rop3_D :
+			       color1 == 0 ? rop3_0 : rop3_1) & rop3_S));
+#else /* !USE_COPY_ROP */
+    register const byte *bptr;	/* actually chunk * */
+    int dbit, wleft;
+    uint mask;
+    copy_mode mode;
+
+    DECLARE_SCAN_PTR_VARS(dbptr, byte *, dest_raster);
+#define optr ((chunk *)dbptr)
+    register int skew;
+    register uint invert;
+
+    fit_copy(dev, source_data, source_x, source_raster, id, x, y, w, h);
+#if gx_no_color_index_value != -1	/* hokey! */
+    if (color0 == gx_no_color_index)
+	color0 = -1;
+    if (color1 == gx_no_color_index)
+	color1 = -1;
+#endif
+    mode = copy_modes[((int)color0 << 2) + (int)color1 + 5];
+    invert = mode.invert;	/* load register */
+    SETUP_RECT_VARS(dbptr, byte *, dest_raster);
+    bptr = source_data + ((source_x & ~chunk_align_bit_mask) >> 3);
+    dbit = x & chunk_align_bit_mask;
+    skew = dbit - (source_x & chunk_align_bit_mask);
+
+/* Macros for writing partial chunks. */
+/* The destination pointer is always named optr, */
+/* and must be declared as chunk *. */
+/* CINVERT may be temporarily redefined. */
+#define CINVERT(bits) ((bits) ^ invert)
+#define WRITE_OR_MASKED(bits, mask, off)\
+  optr[off] |= (CINVERT(bits) & mask)
+#define WRITE_STORE_MASKED(bits, mask, off)\
+  optr[off] = ((optr[off] & ~mask) | (CINVERT(bits) & mask))
+#define WRITE_AND_MASKED(bits, mask, off)\
+  optr[off] &= (CINVERT(bits) | ~mask)
+/* Macros for writing full chunks. */
+#define WRITE_OR(bits)  *optr |= CINVERT(bits)
+#define WRITE_STORE(bits) *optr = CINVERT(bits)
+#define WRITE_AND(bits) *optr &= CINVERT(bits)
+/* Macro for incrementing to next chunk. */
+#define NEXT_X_CHUNK()\
+  bptr += chunk_bytes; dbptr += chunk_bytes
+/* Common macro for the end of each scan line. */
+#define END_Y_LOOP(sdelta, ddelta)\
+  bptr += sdelta; dbptr += ddelta
+
+    if ((wleft = w + dbit - chunk_bits) <= 0) {		/* The entire operation fits in one (destination) chunk. */
+	set_mono_thin_mask(mask, w, dbit);
+
+#define WRITE_SINGLE(wr_op, src)\
+  for ( ; ; )\
+   { wr_op(src, mask, 0);\
+     if ( --h == 0 ) break;\
+     END_Y_LOOP(source_raster, dest_raster);\
+   }
+
+#define WRITE1_LOOP(src)\
+  switch ( mode.op ) {\
+    case COPY_OR: WRITE_SINGLE(WRITE_OR_MASKED, src); break;\
+    case COPY_STORE: WRITE_SINGLE(WRITE_STORE_MASKED, src); break;\
+    case COPY_AND: WRITE_SINGLE(WRITE_AND_MASKED, src); break;\
+    default: return FUNNY_CASE();\
+  }
+
+	if (skew >= 0) {	/* single -> single, right/no shift */
+	    if (skew == 0) {	/* no shift */
+		WRITE1_LOOP(CFETCH_ALIGNED(bptr));
+	    } else {		/* right shift */
+		int cskew = chunk_bits - skew;
+
+		WRITE1_LOOP(CFETCH_RIGHT(bptr, skew, cskew));
+	    }
+	} else if (wleft <= skew) {	/* single -> single, left shift */
+	    int cskew = chunk_bits + skew;
+
+	    skew = -skew;
+	    WRITE1_LOOP(CFETCH_LEFT(bptr, skew, cskew));
+	} else {		/* double -> single */
+	    int cskew = -skew;
+
+	    skew += chunk_bits;
+	    WRITE1_LOOP(CFETCH2(bptr, cskew, skew));
+	}
+#undef WRITE1_LOOP
+#undef WRITE_SINGLE
+    } else if (wleft <= skew) {	/* 1 source chunk -> 2 destination chunks. */
+	/* This is an important special case for */
+	/* both characters and halftone tiles. */
+	uint rmask;
+	int cskew = chunk_bits - skew;
+
+	set_mono_left_mask(mask, dbit);
+	set_mono_right_mask(rmask, wleft);
+#undef CINVERT
+#define CINVERT(bits) (bits)	/* pre-inverted here */
+
+#if arch_is_big_endian		/* no byte swapping */
+#  define WRITE_1TO2(wr_op)\
+  for ( ; ; )\
+   { register uint bits = CFETCH_ALIGNED(bptr) ^ invert;\
+     wr_op(bits >> skew, mask, 0);\
+     wr_op(bits << cskew, rmask, 1);\
+     if ( --h == 0 ) break;\
+     END_Y_LOOP(source_raster, dest_raster);\
+   }
+#else /* byte swapping */
+#  define WRITE_1TO2(wr_op)\
+  for ( ; ; )\
+   { wr_op(CFETCH_RIGHT(bptr, skew, cskew) ^ invert, mask, 0);\
+     wr_op(CFETCH_LEFT(bptr, cskew, skew) ^ invert, rmask, 1);\
+     if ( --h == 0 ) break;\
+     END_Y_LOOP(source_raster, dest_raster);\
+   }
+#endif
+
+	switch (mode.op) {
+	    case COPY_OR:
+		WRITE_1TO2(WRITE_OR_MASKED);
+		break;
+	    case COPY_STORE:
+		WRITE_1TO2(WRITE_STORE_MASKED);
+		break;
+	    case COPY_AND:
+		WRITE_1TO2(WRITE_AND_MASKED);
+		break;
+	    default:
+		return FUNNY_CASE();
+	}
+#undef CINVERT
+#define CINVERT(bits) ((bits) ^ invert)
+#undef WRITE_1TO2
+    } else {			/* More than one source chunk and more than one */
+	/* destination chunk are involved. */
+	uint rmask;
+	int words = (wleft & ~chunk_bit_mask) >> 3;
+	uint sskip = source_raster - words;
+	uint dskip = dest_raster - words;
+	register uint bits;
+
+	set_mono_left_mask(mask, dbit);
+	set_mono_right_mask(rmask, wleft & chunk_bit_mask);
+	if (skew == 0) {	/* optimize the aligned case */
+
+#define WRITE_ALIGNED(wr_op, wr_op_masked)\
+  for ( ; ; )\
+   { int count = wleft;\
+     /* Do first partial chunk. */\
+     wr_op_masked(CFETCH_ALIGNED(bptr), mask, 0);\
+     /* Do full chunks. */\
+     while ( (count -= chunk_bits) >= 0 )\
+      { NEXT_X_CHUNK(); wr_op(CFETCH_ALIGNED(bptr)); }\
+     /* Do last chunk */\
+     if ( count > -chunk_bits )\
+      { wr_op_masked(CFETCH_ALIGNED(bptr + chunk_bytes), rmask, 1); }\
+     if ( --h == 0 ) break;\
+     END_Y_LOOP(sskip, dskip);\
+   }
+
+	    switch (mode.op) {
+		case COPY_OR:
+		    WRITE_ALIGNED(WRITE_OR, WRITE_OR_MASKED);
+		    break;
+		case COPY_STORE:
+		    WRITE_ALIGNED(WRITE_STORE, WRITE_STORE_MASKED);
+		    break;
+		case COPY_AND:
+		    WRITE_ALIGNED(WRITE_AND, WRITE_AND_MASKED);
+		    break;
+		default:
+		    return FUNNY_CASE();
+	    }
+#undef WRITE_ALIGNED
+	} else {		/* not aligned */
+	    int cskew = -skew & chunk_bit_mask;
+	    bool case_right =
+	    (skew >= 0 ? true :
+	     ((bptr += chunk_bytes), false));
+
+	    skew &= chunk_bit_mask;
+
+#define WRITE_UNALIGNED(wr_op, wr_op_masked)\
+  /* Prefetch partial word. */\
+  bits =\
+    (case_right ? CFETCH_RIGHT(bptr, skew, cskew) :\
+     CFETCH2(bptr - chunk_bytes, cskew, skew));\
+  wr_op_masked(bits, mask, 0);\
+  /* Do full chunks. */\
+  while ( count >= chunk_bits )\
+    { bits = CFETCH2(bptr, cskew, skew);\
+      NEXT_X_CHUNK(); wr_op(bits); count -= chunk_bits;\
+    }\
+  /* Do last chunk */\
+  if ( count > 0 )\
+    { bits = CFETCH_LEFT(bptr, cskew, skew);\
+      if ( count > skew ) bits += CFETCH_RIGHT(bptr + chunk_bytes, skew, cskew);\
+      wr_op_masked(bits, rmask, 1);\
+    }
+
+	    switch (mode.op) {
+		case COPY_OR:
+		    for (;;) {
+			int count = wleft;
+
+			WRITE_UNALIGNED(WRITE_OR, WRITE_OR_MASKED);
+			if (--h == 0)
+			    break;
+			END_Y_LOOP(sskip, dskip);
+		    }
+		    break;
+		case COPY_STORE:
+		    for (;;) {
+			int count = wleft;
+
+			WRITE_UNALIGNED(WRITE_STORE, WRITE_STORE_MASKED);
+			if (--h == 0)
+			    break;
+			END_Y_LOOP(sskip, dskip);
+		    }
+		    break;
+		case COPY_AND:
+		    for (;;) {
+			int count = wleft;
+
+			WRITE_UNALIGNED(WRITE_AND, WRITE_AND_MASKED);
+			if (--h == 0)
+			    break;
+			END_Y_LOOP(sskip, dskip);
+		    }
+		    break;
+		default /*case COPY_FUNNY */ :
+		    return FUNNY_CASE();
+	    }
+#undef WRITE_UNALIGNED
+	}
+    }
+#undef END_Y_LOOP
+#undef NEXT_X_CHUNK
+    return 0;
+#undef optr
+#endif /* !USE_COPY_ROP */
+}
+
+#if OPTIMIZE_TILE		/**************** *************** */
+
+/* Strip-tile with a monochrome halftone. */
+/* This is a performance bottleneck for monochrome devices, */
+/* so we re-implement it, even though it takes a lot of code. */
+private int
+mem_mono_strip_tile_rectangle(gx_device * dev,
+			      register const gx_strip_bitmap * tiles,
+int tx, int y, int tw, int th, gx_color_index color0, gx_color_index color1,
+			      int px, int py)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+#ifdef USE_COPY_ROP
+    return mem_mono_strip_copy_rop(dev, NULL, 0, 0, tile->id, NULL,
+				   tiles, NULL,
+				   tx, y, tw, th, px, py,
+				   ((color0 == gx_no_color_index ? rop3_D :
+				 color0 == 0 ? rop3_0 : rop3_1) & ~rop3_T) |
+				   ((color1 == gx_no_color_index ? rop3_D :
+				  color1 == 0 ? rop3_0 : rop3_1) & rop3_T));
+#else /* !USE_COPY_ROP */
+    register uint invert;
+    int source_raster;
+    uint tile_bits_size;
+    const byte *source_data;
+    const byte *end;
+    int x, rw, w, h;
+    register const byte *bptr;	/* actually chunk * */
+    int dbit, wleft;
+    uint mask;
+    byte *dbase;
+
+    DECLARE_SCAN_PTR_VARS(dbptr, byte *, dest_raster);
+#define optr ((chunk *)dbptr)
+    register int skew;
+
+    /* This implementation doesn't handle strips yet. */
+    if (color0 != (color1 ^ 1) || tiles->shift != 0)
+	return gx_default_strip_tile_rectangle(dev, tiles, tx, y, tw, th,
+					       color0, color1, px, py);
+    fit_fill(dev, tx, y, tw, th);
+    invert = -(uint) color0;
+    source_raster = tiles->raster;
+    source_data = tiles->data + ((y + py) % tiles->rep_height) * source_raster;
+    tile_bits_size = tiles->size.y * source_raster;
+    end = tiles->data + tile_bits_size;
+#undef END_Y_LOOP
+#define END_Y_LOOP(sdelta, ddelta)\
+  if ( end - bptr <= sdelta )	/* wrap around */\
+    bptr -= tile_bits_size;\
+  bptr += sdelta; dbptr += ddelta
+    dest_raster = mdev->raster;
+    dbase = scan_line_base(mdev, y);
+    x = tx;
+    rw = tw;
+    /*
+     * The outermost loop here works horizontally, one iteration per
+     * copy of the tile.  Note that all iterations except the first
+     * have source_x = 0.
+     */
+    {
+	int source_x = (x + px) % tiles->rep_width;
+
+	w = tiles->size.x - source_x;
+	bptr = source_data + ((source_x & ~chunk_align_bit_mask) >> 3);
+	dbit = x & chunk_align_bit_mask;
+	skew = dbit - (source_x & chunk_align_bit_mask);
+    }
+  outer:if (w > rw)
+	w = rw;
+    h = th;
+    dbptr = dbase + ((x >> 3) & -chunk_align_bytes);
+    if ((wleft = w + dbit - chunk_bits) <= 0) {		/* The entire operation fits in one (destination) chunk. */
+	set_mono_thin_mask(mask, w, dbit);
+#define WRITE1_LOOP(src)\
+  for ( ; ; )\
+   { WRITE_STORE_MASKED(src, mask, 0);\
+     if ( --h == 0 ) break;\
+     END_Y_LOOP(source_raster, dest_raster);\
+   }
+	if (skew >= 0) {	/* single -> single, right/no shift */
+	    if (skew == 0) {	/* no shift */
+		WRITE1_LOOP(CFETCH_ALIGNED(bptr));
+	    } else {		/* right shift */
+		int cskew = chunk_bits - skew;
+
+		WRITE1_LOOP(CFETCH_RIGHT(bptr, skew, cskew));
+	    }
+	} else if (wleft <= skew) {	/* single -> single, left shift */
+	    int cskew = chunk_bits + skew;
+
+	    skew = -skew;
+	    WRITE1_LOOP(CFETCH_LEFT(bptr, skew, cskew));
+	} else {		/* double -> single */
+	    int cskew = -skew;
+
+	    skew += chunk_bits;
+	    WRITE1_LOOP(CFETCH2(bptr, cskew, skew));
+	}
+#undef WRITE1_LOOP
+    } else if (wleft <= skew) {	/* 1 source chunk -> 2 destination chunks. */
+	/* This is an important special case for */
+	/* both characters and halftone tiles. */
+	uint rmask;
+	int cskew = chunk_bits - skew;
+
+	set_mono_left_mask(mask, dbit);
+	set_mono_right_mask(rmask, wleft);
+#if arch_is_big_endian		/* no byte swapping */
+#undef CINVERT
+#define CINVERT(bits) (bits)	/* pre-inverted here */
+	for (;;) {
+	    register uint bits = CFETCH_ALIGNED(bptr) ^ invert;
+
+	    WRITE_STORE_MASKED(bits >> skew, mask, 0);
+	    WRITE_STORE_MASKED(bits << cskew, rmask, 1);
+	    if (--h == 0)
+		break;
+	    END_Y_LOOP(source_raster, dest_raster);
+	}
+#undef CINVERT
+#define CINVERT(bits) ((bits) ^ invert)
+#else /* byte swapping */
+	for (;;) {
+	    WRITE_STORE_MASKED(CFETCH_RIGHT(bptr, skew, cskew), mask, 0);
+	    WRITE_STORE_MASKED(CFETCH_LEFT(bptr, cskew, skew), rmask, 1);
+	    if (--h == 0)
+		break;
+	    END_Y_LOOP(source_raster, dest_raster);
+	}
+#endif
+    } else {			/* More than one source chunk and more than one */
+	/* destination chunk are involved. */
+	uint rmask;
+	int words = (wleft & ~chunk_bit_mask) >> 3;
+	uint sskip = source_raster - words;
+	uint dskip = dest_raster - words;
+	register uint bits;
+
+#define NEXT_X_CHUNK()\
+  bptr += chunk_bytes; dbptr += chunk_bytes
+
+	set_mono_right_mask(rmask, wleft & chunk_bit_mask);
+	if (skew == 0) {	/* optimize the aligned case */
+	    if (dbit == 0)
+		mask = 0;
+	    else
+		set_mono_left_mask(mask, dbit);
+	    for (;;) {
+		int count = wleft;
+
+		/* Do first partial chunk. */
+		if (mask)
+		    WRITE_STORE_MASKED(CFETCH_ALIGNED(bptr), mask, 0);
+		else
+		    WRITE_STORE(CFETCH_ALIGNED(bptr));
+		/* Do full chunks. */
+		while ((count -= chunk_bits) >= 0) {
+		    NEXT_X_CHUNK();
+		    WRITE_STORE(CFETCH_ALIGNED(bptr));
+		}
+		/* Do last chunk */
+		if (count > -chunk_bits) {
+		    WRITE_STORE_MASKED(CFETCH_ALIGNED(bptr + chunk_bytes), rmask, 1);
+		}
+		if (--h == 0)
+		    break;
+		END_Y_LOOP(sskip, dskip);
+	    }
+	} else {		/* not aligned */
+	    bool case_right =
+	    (skew >= 0 ? true :
+	     ((bptr += chunk_bytes), false));
+	    int cskew = -skew & chunk_bit_mask;
+
+	    skew &= chunk_bit_mask;
+	    set_mono_left_mask(mask, dbit);
+	    for (;;) {
+		int count = wleft;
+
+		if (case_right)
+		    bits = CFETCH_RIGHT(bptr, skew, cskew);
+		else
+		    bits = CFETCH2(bptr - chunk_bytes, cskew, skew);
+		WRITE_STORE_MASKED(bits, mask, 0);
+		/* Do full chunks. */
+		while (count >= chunk_bits) {
+		    bits = CFETCH2(bptr, cskew, skew);
+		    NEXT_X_CHUNK();
+		    WRITE_STORE(bits);
+		    count -= chunk_bits;
+		}
+		/* Do last chunk */
+		if (count > 0) {
+		    bits = CFETCH_LEFT(bptr, cskew, skew);
+		    if (count > skew)
+			bits += CFETCH_RIGHT(bptr + chunk_bytes, skew, cskew);
+		    WRITE_STORE_MASKED(bits, rmask, 1);
+		}
+		if (--h == 0)
+		    break;
+		END_Y_LOOP(sskip, dskip);
+	    }
+	}
+    }
+#undef END_Y_LOOP
+#undef NEXT_X_CHUNK
+#undef optr
+    if ((rw -= w) > 0) {
+	x += w;
+	w = tiles->size.x;
+	bptr = source_data;
+	skew = dbit = x & chunk_align_bit_mask;
+	goto outer;
+    }
+    return 0;
+#endif /* !USE_COPY_ROP */
+}
+
+#endif /**************** *************** */
+
+/* ================ "Word"-oriented device ================ */
+
+/* Note that on a big-endian machine, this is the same as the */
+/* standard byte-oriented-device. */
+
+#if !arch_is_big_endian
+
+/* Procedures */
+private dev_proc_copy_mono(mem1_word_copy_mono);
+private dev_proc_fill_rectangle(mem1_word_fill_rectangle);
+
+#define mem1_word_strip_tile_rectangle gx_default_strip_tile_rectangle
+
+/* Here is the device descriptor. */
+const gx_device_memory mem_mono_word_device =
+mem_full_alpha_device("image1w", 0, 1, mem_open,
+		      mem_mono_map_rgb_color, mem_mono_map_color_rgb,
+       mem1_word_copy_mono, gx_default_copy_color, mem1_word_fill_rectangle,
+		      gx_default_map_cmyk_color, gx_no_copy_alpha,
+		      mem1_word_strip_tile_rectangle, gx_no_strip_copy_rop,
+		      mem_word_get_bits_rectangle);
+
+/* Fill a rectangle with a color. */
+private int
+mem1_word_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			 gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *base;
+    uint raster;
+
+    fit_fill(dev, x, y, w, h);
+    base = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(base, raster, x, w, h, true);
+    bits_fill_rectangle(base, x, raster, -(mono_fill_chunk) color, w, h);
+    mem_swap_byte_rect(base, raster, x, w, h, true);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem1_word_copy_mono(gx_device * dev,
+ const byte * source_data, int source_x, int source_raster, gx_bitmap_id id,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+    bool store;
+
+    fit_copy(dev, source_data, source_x, source_raster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    store = (color0 != gx_no_color_index && color1 != gx_no_color_index);
+    mem_swap_byte_rect(row, raster, x, w, h, store);
+    mem_mono_copy_mono(dev, source_data, source_x, source_raster, id,
+		       x, y, w, h, color0, color1);
+    mem_swap_byte_rect(row, raster, x, w, h, false);
+    return 0;
+}
+
+#endif /* !arch_is_big_endian */
diff --git a/pstoraster/gdevm16.c b/pstoraster/gdevm16.c
new file mode 100644
index 000000000..9a9413a94
--- /dev/null
+++ b/pstoraster/gdevm16.c
@@ -0,0 +1,168 @@
+/* Copyright (C) 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 16-bit-per-pixel "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+#undef chunk
+#define chunk byte
+
+/* The 16 bits are divided 5 for red, 6 for green, and 5 for blue. */
+/* Note that the bits must always be kept in big-endian order. */
+
+/* Procedures */
+declare_mem_map_procs(mem_true16_map_rgb_color, mem_true16_map_color_rgb);
+declare_mem_procs(mem_true16_copy_mono, mem_true16_copy_color, mem_true16_fill_rectangle);
+
+/* The device descriptor. */
+const gx_device_memory mem_true16_device =
+    mem_device("image16", 16, 0,
+	       mem_true16_map_rgb_color, mem_true16_map_color_rgb,
+	       mem_true16_copy_mono, mem_true16_copy_color,
+	       mem_true16_fill_rectangle, gx_default_strip_copy_rop);
+
+/* Map a r-g-b color to a color index. */
+private gx_color_index
+mem_true16_map_rgb_color(gx_device * dev, gx_color_value r, gx_color_value g,
+			 gx_color_value b)
+{
+    return ((r >> (gx_color_value_bits - 5)) << 11) +
+	((g >> (gx_color_value_bits - 6)) << 5) +
+	(b >> (gx_color_value_bits - 5));
+}
+
+/* Map a color index to a r-g-b color. */
+private int
+mem_true16_map_color_rgb(gx_device * dev, gx_color_index color,
+			 gx_color_value prgb[3])
+{
+    ushort value = color >> 11;
+
+    prgb[0] = ((value << 11) + (value << 6) + (value << 1) + (value >> 4))
+		      >> (16 - gx_color_value_bits);
+    value = (color >> 5) & 0x3f;
+    prgb[1] = ((value << 10) + (value << 4) + (value >> 2))
+		      >> (16 - gx_color_value_bits);
+    value = color & 0x1f;
+    prgb[2] = ((value << 11) + (value << 6) + (value << 1) + (value >> 4))
+		      >> (16 - gx_color_value_bits);
+    return 0;
+}
+
+/* Convert x coordinate to byte offset in scan line. */
+#undef x_to_byte
+#define x_to_byte(x) ((x) << 1)
+
+/* Fill a rectangle with a color. */
+private int
+mem_true16_fill_rectangle(gx_device * dev,
+			  int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+#if arch_is_big_endian
+    const ushort color16 = (ushort)color;
+#else
+    const ushort color16 = (ushort)((color << 8) | (color >> 8));
+#endif
+    declare_scan_ptr(dest);
+    fit_fill(dev, x, y, w, h);
+    setup_rect(dest);
+    while (h-- > 0) {
+	ushort *pptr = (ushort *) dest;
+	int cnt = w;
+
+	do {
+	    *pptr++ = color16;
+	} while (--cnt > 0);
+	inc_ptr(dest, draster);
+    }
+    return 0;
+}
+
+/* Copy a monochrome bitmap. */
+private int
+mem_true16_copy_mono(gx_device * dev,
+		     const byte * base, int sourcex, int sraster,
+		     gx_bitmap_id id, int x, int y, int w, int h,
+		     gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+#if arch_is_big_endian
+    const ushort zero16 = (ushort)zero;
+    const ushort one16 = (ushort)one;
+#else
+    ushort zero16 = ((uint) (byte) zero << 8) + ((ushort) zero >> 8);
+    ushort one16 = ((uint) (byte) one << 8) + ((ushort) one >> 8);
+#endif
+    const byte *line;
+    int first_bit;
+
+    declare_scan_ptr(dest);
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base + (sourcex >> 3);
+    first_bit = 0x80 >> (sourcex & 7);
+    while (h-- > 0) {
+	register ushort *pptr = (ushort *) dest;
+	const byte *sptr = line;
+	register int sbyte = *sptr++;
+	register int bit = first_bit;
+	int count = w;
+
+	do {
+	    if (sbyte & bit) {
+		if (one != gx_no_color_index)
+		    *pptr = one16;
+	    } else {
+		if (zero != gx_no_color_index)
+		    *pptr = zero16;
+	    }
+	    if ((bit >>= 1) == 0)
+		bit = 0x80, sbyte = *sptr++;
+	    pptr++;
+	}
+	while (--count > 0);
+	line += sraster;
+	inc_ptr(dest, draster);
+    }
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem_true16_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    mem_copy_byte_rect(mdev, base, sourcex, sraster, x, y, w, h);
+    return 0;
+}
diff --git a/pstoraster/gdevm2.c b/pstoraster/gdevm2.c
new file mode 100644
index 000000000..12cf8ec9b
--- /dev/null
+++ b/pstoraster/gdevm2.c
@@ -0,0 +1,259 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 2-bit-per-pixel "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+extern dev_proc_strip_copy_rop(mem_gray_strip_copy_rop);
+
+/* ================ Standard (byte-oriented) device ================ */
+
+#undef chunk
+#define chunk byte
+#define fpat(byt) mono_fill_make_pattern(byt)
+
+/* Procedures */
+declare_mem_procs(mem_mapped2_copy_mono, mem_mapped2_copy_color, mem_mapped2_fill_rectangle);
+
+/* The device descriptor. */
+const gx_device_memory mem_mapped2_device =
+mem_device("image2", 2, 0,
+	   mem_mapped_map_rgb_color, mem_mapped_map_color_rgb,
+  mem_mapped2_copy_mono, mem_mapped2_copy_color, mem_mapped2_fill_rectangle,
+	   mem_gray_strip_copy_rop);
+
+/* Convert x coordinate to byte offset in scan line. */
+#undef x_to_byte
+#define x_to_byte(x) ((x) >> 2)
+
+/* Define the 2-bit fill patterns. */
+static const mono_fill_chunk tile_patterns[4] =
+{fpat(0x00), fpat(0x55), fpat(0xaa), fpat(0xff)
+};
+
+/* Fill a rectangle with a color. */
+private int
+mem_mapped2_fill_rectangle(gx_device * dev,
+			   int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_fill(dev, x, y, w, h);
+    bits_fill_rectangle(scan_line_base(mdev, y), x << 1, mdev->raster,
+			tile_patterns[color], w << 1, h);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem_mapped2_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    const byte *line;
+    int first_bit;
+    byte first_mask, b0, b1, bxor, left_mask, right_mask;
+    static const byte btab[4] =
+    {0, 0x55, 0xaa, 0xff};
+    static const byte bmask[4] =
+    {0xc0, 0x30, 0xc, 3};
+    static const byte lmask[4] =
+    {0, 0xc0, 0xf0, 0xfc};
+
+    declare_scan_ptr(dest);
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base + (sourcex >> 3);
+    first_bit = 0x80 >> (sourcex & 7);
+    first_mask = bmask[x & 3];
+    left_mask = lmask[x & 3];
+    right_mask = ~lmask[(x + w) & 3];
+    if ((x & 3) + w <= 4)
+	left_mask = right_mask = left_mask | right_mask;
+    b0 = btab[zero & 3];
+    b1 = btab[one & 3];
+    bxor = b0 ^ b1;
+    while (h-- > 0) {
+	register byte *pptr = (byte *) dest;
+	const byte *sptr = line;
+	register int sbyte = *sptr++;
+	register int bit = first_bit;
+	register byte mask = first_mask;
+	int count = w;
+
+	/* We have 4 cases, of which only 2 really matter. */
+	if (one != gx_no_color_index) {
+	    if (zero != gx_no_color_index) {	/* Copying an opaque bitmap. */
+		byte data =
+		(*pptr & left_mask) | (b0 & ~left_mask);
+
+		do {
+		    if (sbyte & bit)
+			data ^= bxor & mask;
+		    if ((bit >>= 1) == 0)
+			bit = 0x80, sbyte = *sptr++;
+		    if ((mask >>= 2) == 0)
+			mask = 0xc0, *pptr++ = data, data = b0;
+		}
+		while (--count > 0);
+		if (mask != 0xc0)
+		    *pptr =
+			(*pptr & right_mask) | (data & ~right_mask);
+	    } else {		/* Filling a mask. */
+		do {
+		    if (sbyte & bit)
+			*pptr = (*pptr & ~mask) + (b1 & mask);
+		    if ((bit >>= 1) == 0)
+			bit = 0x80, sbyte = *sptr++;
+		    if ((mask >>= 2) == 0)
+			mask = 0xc0, pptr++;
+		}
+		while (--count > 0);
+	    }
+	} else {		/* Some other case. */
+	    do {
+		if (!(sbyte & bit)) {
+		    if (zero != gx_no_color_index)
+			*pptr = (*pptr & ~mask) + (b0 & mask);
+		}
+		if ((bit >>= 1) == 0)
+		    bit = 0x80, sbyte = *sptr++;
+		if ((mask >>= 2) == 0)
+		    mask = 0xc0, pptr++;
+	    }
+	    while (--count > 0);
+	}
+	line += sraster;
+	inc_ptr(dest, draster);
+    }
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem_mapped2_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		       int x, int y, int w, int h)
+{
+    int code;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    /* Use monobit copy_mono. */
+    /* Patch the width in the device temporarily. */
+    dev->width <<= 1;
+    code = (*dev_proc(&mem_mono_device, copy_mono))
+	(dev, base, sourcex << 1, sraster, id,
+	 x << 1, y, w << 1, h, (gx_color_index) 0, (gx_color_index) 1);
+    /* Restore the correct width. */
+    dev->width >>= 1;
+    return code;
+}
+
+/* ================ "Word"-oriented device ================ */
+
+/* Note that on a big-endian machine, this is the same as the */
+/* standard byte-oriented-device. */
+
+#if !arch_is_big_endian
+
+/* Procedures */
+declare_mem_procs(mem2_word_copy_mono, mem2_word_copy_color, mem2_word_fill_rectangle);
+
+/* Here is the device descriptor. */
+const gx_device_memory mem_mapped2_word_device =
+mem_full_device("image2w", 2, 0, mem_open,
+		mem_mapped_map_rgb_color, mem_mapped_map_color_rgb,
+	mem2_word_copy_mono, mem2_word_copy_color, mem2_word_fill_rectangle,
+		gx_default_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_no_strip_copy_rop, mem_word_get_bits_rectangle);
+
+/* Fill a rectangle with a color. */
+private int
+mem2_word_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			 gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *base;
+    uint raster;
+
+    fit_fill(dev, x, y, w, h);
+    base = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(base, raster, x << 1, w << 1, h, true);
+    bits_fill_rectangle(base, x << 1, raster,
+			tile_patterns[color], w << 1, h);
+    mem_swap_byte_rect(base, raster, x << 1, w << 1, h, true);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem2_word_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+    bool store;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    store = (zero != gx_no_color_index && one != gx_no_color_index);
+    mem_swap_byte_rect(row, raster, x << 1, w << 1, h, store);
+    mem_mapped2_copy_mono(dev, base, sourcex, sraster, id,
+			  x, y, w, h, zero, one);
+    mem_swap_byte_rect(row, raster, x << 1, w << 1, h, false);
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem2_word_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		     int x, int y, int w, int h)
+{
+    int code;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    /* Use monobit copy_mono. */
+    /* Patch the width in the device temporarily. */
+    dev->width <<= 1;
+    code = (*dev_proc(&mem_mono_word_device, copy_mono))
+	(dev, base, sourcex << 1, sraster, id,
+	 x << 1, y, w << 1, h, (gx_color_index) 0, (gx_color_index) 1);
+    /* Restore the correct width. */
+    dev->width >>= 1;
+    return code;
+}
+
+#endif /* !arch_is_big_endian */
diff --git a/pstoraster/gdevm24.c b/pstoraster/gdevm24.c
new file mode 100644
index 000000000..1e3a4b932
--- /dev/null
+++ b/pstoraster/gdevm24.c
@@ -0,0 +1,526 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 24-bit-per-pixel "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+extern dev_proc_strip_copy_rop(mem_gray8_rgb24_strip_copy_rop);		/* in gdevmrop.c */
+
+#define mem_true24_strip_copy_rop mem_gray8_rgb24_strip_copy_rop
+
+/* ================ Standard (byte-oriented) device ================ */
+
+#undef chunk
+#define chunk byte
+
+/* Procedures */
+declare_mem_procs(mem_true24_copy_mono, mem_true24_copy_color, mem_true24_fill_rectangle);
+private dev_proc_copy_alpha(mem_true24_copy_alpha);
+
+/* The device descriptor. */
+const gx_device_memory mem_true24_device =
+mem_full_alpha_device("image24", 24, 0, mem_open,
+		 gx_default_rgb_map_rgb_color, gx_default_rgb_map_color_rgb,
+     mem_true24_copy_mono, mem_true24_copy_color, mem_true24_fill_rectangle,
+		      gx_default_map_cmyk_color, mem_true24_copy_alpha,
+		 gx_default_strip_tile_rectangle, mem_true24_strip_copy_rop,
+		      mem_get_bits_rectangle);
+
+/* Convert x coordinate to byte offset in scan line. */
+#undef x_to_byte
+#define x_to_byte(x) ((x) * 3)
+
+/* Unpack a color into its bytes. */
+#define declare_unpack_color(r, g, b, color)\
+	byte r = (byte)(color >> 16);\
+	byte g = (byte)((uint)color >> 8);\
+	byte b = (byte)color
+/* Put a 24-bit color into the bitmap. */
+#define put3(ptr, r, g, b)\
+	(ptr)[0] = r, (ptr)[1] = g, (ptr)[2] = b
+/* Put 4 bytes of color into the bitmap. */
+#define putw(ptr, wxyz)\
+	*(bits32 *)(ptr) = (wxyz)
+/* Load the 3-word 24-bit-color cache. */
+/* Free variables: [m]dev, rgbr, gbrg, brgb. */
+#if arch_is_big_endian
+#  define set_color24_cache(crgb, r, g, b)\
+	mdev->color24.rgbr = rgbr = ((bits32)(crgb) << 8) | (r),\
+	mdev->color24.gbrg = gbrg = (rgbr << 8) | (g),\
+	mdev->color24.brgb = brgb = (gbrg << 8) | (b),\
+	mdev->color24.rgb = (crgb)
+#else
+#  define set_color24_cache(crgb, r, g, b)\
+	mdev->color24.rgbr = rgbr =\
+		((bits32)(r) << 24) | ((bits32)(b) << 16) |\
+		((bits16)(g) << 8) | (r),\
+	mdev->color24.brgb = brgb = (rgbr << 8) | (b),\
+	mdev->color24.gbrg = gbrg = (brgb << 8) | (g),\
+	mdev->color24.rgb = (crgb)
+#endif
+
+/* Fill a rectangle with a color. */
+private int
+mem_true24_fill_rectangle(gx_device * dev,
+			  int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    declare_unpack_color(r, g, b, color);
+    declare_scan_ptr(dest);
+
+    /*
+     * In order to avoid testing w > 0 and h > 0 twice, we defer
+     * executing setup_rect, and use fit_fill_xywh instead of
+     * fit_fill.
+     */
+    fit_fill_xywh(dev, x, y, w, h);
+    if (w >= 5) {
+	if (h <= 0)
+	    return 0;
+	setup_rect(dest);
+	if (r == g && r == b) {
+#if 1
+	    /* We think we can do better than the library's memset.... */
+	    int bcntm7 = w * 3 - 7;
+	    register bits32 cword = color | (color << 24);
+
+	    while (h-- > 0) {
+		register byte *pptr = dest;
+		byte *limit = pptr + bcntm7;
+
+		/* We want to store full words, but we have to */
+		/* guarantee that they are word-aligned. */
+		switch (x & 3) {
+		    case 3:
+			*pptr++ = (byte) cword;
+		    case 2:
+			*pptr++ = (byte) cword;
+		    case 1:
+			*pptr++ = (byte) cword;
+		    case 0:;
+		}
+		/* Even with w = 5, we always store at least */
+		/* 3 full words, regardless of the starting x. */
+		*(bits32 *) pptr =
+		    ((bits32 *) pptr)[1] =
+		    ((bits32 *) pptr)[2] = cword;
+		pptr += 12;
+		while (pptr < limit) {
+		    *(bits32 *) pptr =
+			((bits32 *) pptr)[1] = cword;
+		    pptr += 8;
+		}
+		switch (pptr - limit) {
+		    case 0:
+			pptr[6] = (byte) cword;
+		    case 1:
+			pptr[5] = (byte) cword;
+		    case 2:
+			pptr[4] = (byte) cword;
+		    case 3:
+			*(bits32 *) pptr = cword;
+			break;
+		    case 4:
+			pptr[2] = (byte) cword;
+		    case 5:
+			pptr[1] = (byte) cword;
+		    case 6:
+			pptr[0] = (byte) cword;
+		    case 7:;
+		}
+		inc_ptr(dest, draster);
+	    }
+#else
+	    int bcnt = w * 3;
+
+	    while (h-- > 0) {
+		memset(dest, r, bcnt);
+		inc_ptr(dest, draster);
+	    }
+#endif
+	} else {
+	    int x3 = -x & 3, ww = w - x3;	/* we know ww >= 2 */
+	    bits32 rgbr, gbrg, brgb;
+
+	    if (mdev->color24.rgb == color)
+		rgbr = mdev->color24.rgbr,
+		    gbrg = mdev->color24.gbrg,
+		    brgb = mdev->color24.brgb;
+	    else
+		set_color24_cache(color, r, g, b);
+	    while (h-- > 0) {
+		register byte *pptr = dest;
+		int w1 = ww;
+
+		switch (x3) {
+		    case 1:
+			put3(pptr, r, g, b);
+			pptr += 3;
+			break;
+		    case 2:
+			pptr[0] = r;
+			pptr[1] = g;
+			putw(pptr + 2, brgb);
+			pptr += 6;
+			break;
+		    case 3:
+			pptr[0] = r;
+			putw(pptr + 1, gbrg);
+			putw(pptr + 5, brgb);
+			pptr += 9;
+			break;
+		    case 0:
+			;
+		}
+		while (w1 >= 4) {
+		    putw(pptr, rgbr);
+		    putw(pptr + 4, gbrg);
+		    putw(pptr + 8, brgb);
+		    pptr += 12;
+		    w1 -= 4;
+		}
+		switch (w1) {
+		    case 1:
+			put3(pptr, r, g, b);
+			break;
+		    case 2:
+			putw(pptr, rgbr);
+			pptr[4] = g;
+			pptr[5] = b;
+			break;
+		    case 3:
+			putw(pptr, rgbr);
+			putw(pptr + 4, gbrg);
+			pptr[8] = b;
+			break;
+		    case 0:
+			;
+		}
+		inc_ptr(dest, draster);
+	    }
+	}
+    } else if (h > 0) {		/* w < 5 */
+	setup_rect(dest);
+	switch (w) {
+	    case 4:
+		do {
+		    dest[9] = dest[6] = dest[3] = dest[0] = r;
+		    dest[10] = dest[7] = dest[4] = dest[1] = g;
+		    dest[11] = dest[8] = dest[5] = dest[2] = b;
+		    inc_ptr(dest, draster);
+		}
+		while (--h);
+		break;
+	    case 3:
+		do {
+		    dest[6] = dest[3] = dest[0] = r;
+		    dest[7] = dest[4] = dest[1] = g;
+		    dest[8] = dest[5] = dest[2] = b;
+		    inc_ptr(dest, draster);
+		}
+		while (--h);
+		break;
+	    case 2:
+		do {
+		    dest[3] = dest[0] = r;
+		    dest[4] = dest[1] = g;
+		    dest[5] = dest[2] = b;
+		    inc_ptr(dest, draster);
+		}
+		while (--h);
+		break;
+	    case 1:
+		do {
+		    dest[0] = r, dest[1] = g, dest[2] = b;
+		    inc_ptr(dest, draster);
+		}
+		while (--h);
+		break;
+	    case 0:
+	    default:
+		;
+	}
+    }
+    return 0;
+}
+
+/* Copy a monochrome bitmap. */
+private int
+mem_true24_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    const byte *line;
+    int sbit;
+    int first_bit;
+
+    declare_scan_ptr(dest);
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base + (sourcex >> 3);
+    sbit = sourcex & 7;
+    first_bit = 0x80 >> sbit;
+    if (zero != gx_no_color_index) {	/* Loop for halftones or inverted masks */
+	/* (never used). */
+	declare_unpack_color(r0, g0, b0, zero);
+	declare_unpack_color(r1, g1, b1, one);
+	while (h-- > 0) {
+	    register byte *pptr = dest;
+	    const byte *sptr = line;
+	    register int sbyte = *sptr++;
+	    register int bit = first_bit;
+	    int count = w;
+
+	    do {
+		if (sbyte & bit) {
+		    if (one != gx_no_color_index)
+			put3(pptr, r1, g1, b1);
+		} else
+		    put3(pptr, r0, g0, b0);
+		pptr += 3;
+		if ((bit >>= 1) == 0)
+		    bit = 0x80, sbyte = *sptr++;
+	    }
+	    while (--count > 0);
+	    line += sraster;
+	    inc_ptr(dest, draster);
+	}
+    } else if (one != gx_no_color_index) {	/* Loop for character and pattern masks. */
+	/* This is used heavily. */
+	declare_unpack_color(r1, g1, b1, one);
+	int first_mask = first_bit << 1;
+	int first_count, first_skip;
+
+	if (sbit + w > 8)
+	    first_mask -= 1,
+		first_count = 8 - sbit;
+	else
+	    first_mask -= first_mask >> w,
+		first_count = w;
+	first_skip = first_count * 3;
+	while (h-- > 0) {
+	    register byte *pptr = dest;
+	    const byte *sptr = line;
+	    register int sbyte = *sptr++ & first_mask;
+	    int count = w - first_count;
+
+	    if (sbyte) {
+		register int bit = first_bit;
+
+		do {
+		    if (sbyte & bit)
+			put3(pptr, r1, g1, b1);
+		    pptr += 3;
+		}
+		while ((bit >>= 1) & first_mask);
+	    } else
+		pptr += first_skip;
+	    while (count >= 8) {
+		sbyte = *sptr++;
+		if (sbyte & 0xf0) {
+		    if (sbyte & 0x80)
+			put3(pptr, r1, g1, b1);
+		    if (sbyte & 0x40)
+			put3(pptr + 3, r1, g1, b1);
+		    if (sbyte & 0x20)
+			put3(pptr + 6, r1, g1, b1);
+		    if (sbyte & 0x10)
+			put3(pptr + 9, r1, g1, b1);
+		}
+		if (sbyte & 0xf) {
+		    if (sbyte & 8)
+			put3(pptr + 12, r1, g1, b1);
+		    if (sbyte & 4)
+			put3(pptr + 15, r1, g1, b1);
+		    if (sbyte & 2)
+			put3(pptr + 18, r1, g1, b1);
+		    if (sbyte & 1)
+			put3(pptr + 21, r1, g1, b1);
+		}
+		pptr += 24;
+		count -= 8;
+	    }
+	    if (count > 0) {
+		register int bit = 0x80;
+
+		sbyte = *sptr++;
+		do {
+		    if (sbyte & bit)
+			put3(pptr, r1, g1, b1);
+		    pptr += 3;
+		    bit >>= 1;
+		}
+		while (--count > 0);
+	    }
+	    line += sraster;
+	    inc_ptr(dest, draster);
+	}
+    }
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem_true24_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    mem_copy_byte_rect(mdev, base, sourcex, sraster, x, y, w, h);
+    return 0;
+}
+
+/* Copy an alpha map. */
+private int
+mem_true24_copy_alpha(gx_device * dev, const byte * base, int sourcex,
+		   int sraster, gx_bitmap_id id, int x, int y, int w, int h,
+		      gx_color_index color, int depth)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    const byte *line;
+
+    declare_scan_ptr(dest);
+    declare_unpack_color(r, g, b, color);
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base;
+    while (h-- > 0) {
+	register byte *pptr = dest;
+	int sx;
+
+	for (sx = sourcex; sx < sourcex + w; ++sx, pptr += 3) {
+	    int alpha2, alpha;
+
+	    if (depth == 2)	/* map 0 - 3 to 0 - 15 */
+		alpha =
+		    ((line[sx >> 2] >> ((3 - (sx & 3)) << 1)) & 3) * 5;
+	    else
+		alpha2 = line[sx >> 1],
+		    alpha = (sx & 1 ? alpha2 & 0xf : alpha2 >> 4);
+	    if (alpha == 15) {	/* Just write the new color. */
+		put3(pptr, r, g, b);
+	    } else if (alpha != 0) {	/* Blend RGB values. */
+#define make_shade(old, clr, alpha, amax) \
+  (old) + (((int)(clr) - (int)(old)) * (alpha) / (amax))
+		pptr[0] = make_shade(pptr[0], r, alpha, 15);
+		pptr[1] = make_shade(pptr[1], g, alpha, 15);
+		pptr[2] = make_shade(pptr[2], b, alpha, 15);
+#undef make_shade
+	    }
+	}
+	line += sraster;
+	inc_ptr(dest, draster);
+    }
+    return 0;
+}
+
+/* ================ "Word"-oriented device ================ */
+
+/* Note that on a big-endian machine, this is the same as the */
+/* standard byte-oriented-device. */
+
+#if !arch_is_big_endian
+
+/* Procedures */
+declare_mem_procs(mem24_word_copy_mono, mem24_word_copy_color, mem24_word_fill_rectangle);
+
+/* Here is the device descriptor. */
+const gx_device_memory mem_true24_word_device =
+mem_full_device("image24w", 24, 0, mem_open,
+		gx_default_rgb_map_rgb_color, gx_default_rgb_map_color_rgb,
+     mem24_word_copy_mono, mem24_word_copy_color, mem24_word_fill_rectangle,
+		gx_default_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_no_strip_copy_rop, mem_word_get_bits_rectangle);
+
+/* Fill a rectangle with a color. */
+private int
+mem24_word_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			  gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *base;
+    uint raster;
+
+    fit_fill(dev, x, y, w, h);
+    base = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(base, raster, x * 24, w * 24, h, true);
+    mem_true24_fill_rectangle(dev, x, y, w, h, color);
+    mem_swap_byte_rect(base, raster, x * 24, w * 24, h, false);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem24_word_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+    bool store;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    store = (zero != gx_no_color_index && one != gx_no_color_index);
+    mem_swap_byte_rect(row, raster, x * 24, w * 24, h, store);
+    mem_true24_copy_mono(dev, base, sourcex, sraster, id,
+			 x, y, w, h, zero, one);
+    mem_swap_byte_rect(row, raster, x * 24, w * 24, h, false);
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem24_word_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(row, raster, x * 24, w * 24, h, true);
+    bytes_copy_rectangle(row + x * 3, raster, base + sourcex * 3, sraster,
+			 w * 3, h);
+    mem_swap_byte_rect(row, raster, x * 24, w * 24, h, false);
+    return 0;
+}
+
+#endif /* !arch_is_big_endian */
diff --git a/pstoraster/gdevm32.c b/pstoraster/gdevm32.c
new file mode 100644
index 000000000..d35483323
--- /dev/null
+++ b/pstoraster/gdevm32.c
@@ -0,0 +1,249 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 32-bit-per-pixel "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+/* ================ Standard (byte-oriented) device ================ */
+
+#undef chunk
+#define chunk byte
+
+/* Procedures */
+declare_mem_procs(mem_true32_copy_mono, mem_true32_copy_color, mem_true32_fill_rectangle);
+
+/* The device descriptor. */
+const gx_device_memory mem_true32_device =
+mem_full_device("image32", 24, 8, mem_open,
+		gx_default_map_rgb_color, gx_default_map_color_rgb,
+     mem_true32_copy_mono, mem_true32_copy_color, mem_true32_fill_rectangle,
+	    gx_default_cmyk_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_default_strip_copy_rop, mem_get_bits_rectangle);
+
+/* Convert x coordinate to byte offset in scan line. */
+#undef x_to_byte
+#define x_to_byte(x) ((x) << 2)
+
+/* Swap the bytes of a color if needed. */
+#define color_swap_bytes(color)\
+  (((color) >> 24) + (((color) >> 8) & 0xff00) +\
+   (((color) & 0xff00) << 8) + ((color) << 24))
+#if arch_is_big_endian
+#  define arrange_bytes(color) (color)
+#else
+#  define arrange_bytes(color) color_swap_bytes(color)
+#endif
+
+/* Fill a rectangle with a color. */
+private int
+mem_true32_fill_rectangle(gx_device * dev,
+			  int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    bits32 a_color;
+
+    declare_scan_ptr(dest);
+
+    fit_fill(dev, x, y, w, h);
+    a_color = arrange_bytes(color);
+    setup_rect(dest);
+    if (w <= 4)
+	switch (w) {
+		/*case 0: *//* not possible */
+#define dest32 ((bits32 *)dest)
+	    case 1:
+		do {
+		    dest32[0] = a_color;
+		    inc_ptr(dest, draster);
+		}
+		while (--h > 0);
+		break;
+	    case 2:
+		do {
+		    dest32[1] = dest32[0] = a_color;
+		    inc_ptr(dest, draster);
+		}
+		while (--h > 0);
+		break;
+	    case 3:
+		do {
+		    dest32[2] = dest32[1] = dest32[0] = a_color;
+		    inc_ptr(dest, draster);
+		}
+		while (--h > 0);
+		break;
+	    case 4:
+		do {
+		    dest32[3] = dest32[2] = dest32[1] = dest32[0] = a_color;
+		    inc_ptr(dest, draster);
+		}
+		while (--h > 0);
+		break;
+	    default:		/* not possible */
+		;
+    } else if (a_color == 0)
+	do {
+	    memset(dest, 0, w << 2);
+	    inc_ptr(dest, draster);
+	}
+	while (--h > 0);
+    else
+	do {
+	    bits32 *pptr = dest32;
+	    int cnt = w;
+
+	    do {
+		pptr[3] = pptr[2] = pptr[1] = pptr[0] = a_color;
+		pptr += 4;
+	    }
+	    while ((cnt -= 4) > 4);
+	    do {
+		*pptr++ = a_color;
+	    } while (--cnt > 0);
+	    inc_ptr(dest, draster);
+	}
+	while (--h > 0);
+#undef dest32
+    return 0;
+}
+
+/* Copy a monochrome bitmap. */
+private int
+mem_true32_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    bits32 a_zero = arrange_bytes(zero);
+    bits32 a_one = arrange_bytes(one);
+    const byte *line;
+    int first_bit;
+
+    declare_scan_ptr(dest);
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base + (sourcex >> 3);
+    first_bit = 0x80 >> (sourcex & 7);
+    while (h-- > 0) {
+	register bits32 *pptr = (bits32 *) dest;
+	const byte *sptr = line;
+	register int sbyte = *sptr++;
+	register int bit = first_bit;
+	int count = w;
+
+	do {
+	    if (sbyte & bit) {
+		if (one != gx_no_color_index)
+		    *pptr = a_one;
+	    } else {
+		if (zero != gx_no_color_index)
+		    *pptr = a_zero;
+	    }
+	    if ((bit >>= 1) == 0)
+		bit = 0x80, sbyte = *sptr++;
+	    pptr++;
+	}
+	while (--count > 0);
+	line += sraster;
+	inc_ptr(dest, draster);
+    }
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem_true32_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    mem_copy_byte_rect(mdev, base, sourcex, sraster, x, y, w, h);
+    return 0;
+}
+
+/* ================ "Word"-oriented device ================ */
+
+/* Note that on a big-endian machine, this is the same as the */
+/* standard byte-oriented-device. */
+
+#if !arch_is_big_endian
+
+/* Procedures */
+declare_mem_procs(mem32_word_copy_mono, mem32_word_copy_color, mem32_word_fill_rectangle);
+
+/* Here is the device descriptor. */
+const gx_device_memory mem_true32_word_device =
+mem_full_device("image32w", 24, 8, mem_open,
+		gx_default_map_rgb_color, gx_default_map_color_rgb,
+     mem32_word_copy_mono, mem32_word_copy_color, mem32_word_fill_rectangle,
+	    gx_default_cmyk_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_no_strip_copy_rop, mem_word_get_bits_rectangle);
+
+/* Fill a rectangle with a color. */
+private int
+mem32_word_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			  gx_color_index color)
+{
+    return mem_true32_fill_rectangle(dev, x, y, w, h,
+				     color_swap_bytes(color));
+}
+
+/* Copy a bitmap. */
+private int
+mem32_word_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    return mem_true32_copy_mono(dev, base, sourcex, sraster, id,
+				x, y, w, h, color_swap_bytes(zero),
+				color_swap_bytes(one));
+}
+
+/* Copy a color bitmap. */
+private int
+mem32_word_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    bytes_copy_rectangle(row + (x << 2), raster, base + (sourcex << 2),
+			 sraster, w << 2, h);
+    mem_swap_byte_rect(row, raster, x << 5, w << 5, h, false);
+    return 0;
+}
+
+#endif /* !arch_is_big_endian */
diff --git a/pstoraster/gdevm4.c b/pstoraster/gdevm4.c
new file mode 100644
index 000000000..e0df0e13f
--- /dev/null
+++ b/pstoraster/gdevm4.c
@@ -0,0 +1,319 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 4-bit-per-pixel "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+extern dev_proc_strip_copy_rop(mem_gray_strip_copy_rop);
+
+/* ================ Standard (byte-oriented) device ================ */
+
+#undef chunk
+#define chunk byte
+#define fpat(byt) mono_fill_make_pattern(byt)
+
+/* Procedures */
+declare_mem_procs(mem_mapped4_copy_mono, mem_mapped4_copy_color, mem_mapped4_fill_rectangle);
+
+/* The device descriptor. */
+const gx_device_memory mem_mapped4_device =
+mem_device("image4", 4, 0,
+	   mem_mapped_map_rgb_color, mem_mapped_map_color_rgb,
+  mem_mapped4_copy_mono, mem_mapped4_copy_color, mem_mapped4_fill_rectangle,
+	   mem_gray_strip_copy_rop);
+
+/* Convert x coordinate to byte offset in scan line. */
+#undef x_to_byte
+#define x_to_byte(x) ((x) >> 1)
+
+/* Define the 4-bit fill patterns. */
+static const mono_fill_chunk tile_patterns[16] =
+{fpat(0x00), fpat(0x11), fpat(0x22), fpat(0x33),
+ fpat(0x44), fpat(0x55), fpat(0x66), fpat(0x77),
+ fpat(0x88), fpat(0x99), fpat(0xaa), fpat(0xbb),
+ fpat(0xcc), fpat(0xdd), fpat(0xee), fpat(0xff)
+};
+
+
+/* Fill a rectangle with a color. */
+private int
+mem_mapped4_fill_rectangle(gx_device * dev,
+			   int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_fill(dev, x, y, w, h);
+    bits_fill_rectangle(scan_line_base(mdev, y), x << 2, mdev->raster,
+			tile_patterns[color], w << 2, h);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem_mapped4_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    const byte *line;
+    declare_scan_ptr(dest);
+    byte invert, bb;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base + (sourcex >> 3);
+    /* Divide into opaque and masked cases. */
+    if (one == gx_no_color_index) {
+	if (zero == gx_no_color_index)
+	    return 0;		/* nothing to do */
+	invert = 0xff;
+	bb = ((byte) zero << 4) | (byte) zero;
+    } else if (zero == gx_no_color_index) {
+	invert = 0;
+	bb = ((byte) one << 4) | (byte) one;
+    } else {
+	/* Opaque case. */
+	int shift = ~(sourcex ^ x) & 1;
+	byte oz[4];
+
+	oz[0] = (byte)((zero << 4) | zero);
+	oz[1] = (byte)((zero << 4) | one);
+	oz[2] = (byte)((one << 4) | zero);
+	oz[3] = (byte)((one << 4) | one);
+	do {
+	    register byte *dptr = (byte *) dest;
+	    const byte *sptr = line;
+	    register uint sbyte = *sptr++;
+	    register int sbit = ~sourcex & 7;
+	    int count = w;
+
+	    /*
+	     * If the first source bit corresponds to an odd X in the
+	     * destination, process it now.
+	     */
+	    if (x & 1) {
+		*dptr = (*dptr & 0xf0) |
+		    ((sbyte >> sbit) & 1 ? one : zero);
+		--count;	/* may now be 0 */
+		if (--sbit < 0)
+		    sbit = 7, sbyte = *sptr++;
+		++dptr;
+	    }
+	    /*
+	     * Now we know the next destination X is even.  We want to
+	     * process 2 source bits at a time from now on, so set things up
+	     * properly depending on whether the next source X (bit) is even
+	     * or odd.  In both even and odd cases, the active source bits
+	     * are in bits 8..1 of sbyte.
+	     */
+	    sbyte <<= shift;
+	    sbit += shift - 1;
+	    /*
+	     * Now bit # sbit+1 is the most significant unprocessed bit
+	     * in sbyte.  -1 <= sbit <= 7; sbit is odd.
+	     * Note that if sbit = -1, all of sbyte has been processed.
+	     *
+	     * Continue processing pairs of bits in the first source byte.
+	     */
+	    while (count >= 2 && sbit >= 0) {
+		*dptr++ = oz[(sbyte >> sbit) & 3];
+		sbit -= 2, count -= 2;
+	    }
+	    /*
+	     * Now sbit = -1 iff we have processed the entire first source
+	     * byte.
+	     *
+	     * Process full source bytes.
+	     */
+	    if (shift) {
+		sbyte >>= 1;	/* in case count < 8 */
+		for (; count >= 8; dptr += 4, count -= 8) {
+		    sbyte = *sptr++;
+		    dptr[0] = oz[sbyte >> 6];
+		    dptr[1] = oz[(sbyte >> 4) & 3];
+		    dptr[2] = oz[(sbyte >> 2) & 3];
+		    dptr[3] = oz[sbyte & 3];
+		}
+		sbyte <<= 1;
+	    } else {
+		for (; count >= 8; dptr += 4, count -= 8) {
+		    sbyte = (sbyte << 8) | *sptr++;
+		    dptr[0] = oz[(sbyte >> 7) & 3];
+		    dptr[1] = oz[(sbyte >> 5) & 3];
+		    dptr[2] = oz[(sbyte >> 3) & 3];
+		    dptr[3] = oz[(sbyte >> 1) & 3];
+		}
+	    }
+	    if (!count)
+		continue;
+	    /*
+	     * Process pairs of bits in the final source byte.  Note that
+	     * if sbit > 0, this is still the first source byte (the
+	     * full-byte loop wasn't executed).
+	     */
+	    if (sbit < 0) {
+		sbyte = (sbyte << 8) | (*sptr << shift);
+		sbit = 7;
+	    }
+	    while (count >= 2) {
+		*dptr++ = oz[(sbyte >> sbit) & 3];
+		sbit -= 2, count -= 2;
+	    }
+	    /*
+	     * If the final source bit corresponds to an even X value,
+	     * process it now.
+	     */
+	    if (count) {
+		*dptr = (*dptr & 0x0f) |
+		    (((sbyte >> sbit) & 2 ? one : zero) << 4);
+	    }
+	} while ((line += sraster, inc_ptr(dest, draster), --h) > 0);
+	return 0;
+    }
+    /* Masked case. */
+    do {
+	register byte *dptr = (byte *) dest;
+	const byte *sptr = line;
+	register int sbyte = *sptr++ ^ invert;
+	register int sbit = 0x80 >> (sourcex & 7);
+	register byte mask = (x & 1 ? 0x0f : 0xf0);
+	int count = w;
+
+	do {
+	    if (sbyte & sbit)
+		*dptr = (*dptr & ~mask) | (bb & mask);
+	    if ((sbit >>= 1) == 0)
+		sbit = 0x80, sbyte = *sptr++ ^ invert;
+	    dptr += (mask = ~mask) >> 7;
+	} while (--count > 0);
+	line += sraster;
+	inc_ptr(dest, draster);
+    } while (--h > 0);
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem_mapped4_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		       int x, int y, int w, int h)
+{
+    /* Use monobit copy_mono. */
+    int code;
+
+    /* Patch the width in the device temporarily. */
+    dev->width <<= 2;
+    code = (*dev_proc(&mem_mono_device, copy_mono))
+	(dev, base, sourcex << 2, sraster, id,
+	 x << 2, y, w << 2, h, (gx_color_index) 0, (gx_color_index) 1);
+    /* Restore the correct width. */
+    dev->width >>= 2;
+    return code;
+}
+
+/* ================ "Word"-oriented device ================ */
+
+/* Note that on a big-endian machine, this is the same as the */
+/* standard byte-oriented-device. */
+
+#if !arch_is_big_endian
+
+/* Procedures */
+declare_mem_procs(mem4_word_copy_mono, mem4_word_copy_color, mem4_word_fill_rectangle);
+
+/* Here is the device descriptor. */
+const gx_device_memory mem_mapped4_word_device =
+mem_full_device("image4w", 4, 0, mem_open,
+		mem_mapped_map_rgb_color, mem_mapped_map_color_rgb,
+	mem4_word_copy_mono, mem4_word_copy_color, mem4_word_fill_rectangle,
+		gx_default_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_no_strip_copy_rop, mem_word_get_bits_rectangle);
+
+/* Fill a rectangle with a color. */
+private int
+mem4_word_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			 gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *base;
+    uint raster;
+
+    fit_fill(dev, x, y, w, h);
+    base = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(base, raster, x << 2, w << 2, h, true);
+    bits_fill_rectangle(base, x << 2, raster,
+			tile_patterns[color], w << 2, h);
+    mem_swap_byte_rect(base, raster, x << 2, w << 2, h, true);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem4_word_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+    bool store;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    store = (zero != gx_no_color_index && one != gx_no_color_index);
+    mem_swap_byte_rect(row, raster, x << 2, w << 2, h, store);
+    mem_mapped4_copy_mono(dev, base, sourcex, sraster, id,
+			  x, y, w, h, zero, one);
+    mem_swap_byte_rect(row, raster, x << 2, w << 2, h, false);
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem4_word_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		     int x, int y, int w, int h)
+{
+    int code;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    /* Use monobit copy_mono. */
+    /* Patch the width in the device temporarily. */
+    dev->width <<= 2;
+    code = (*dev_proc(&mem_mono_word_device, copy_mono))
+	(dev, base, sourcex << 2, sraster, id,
+	 x << 2, y, w << 2, h, (gx_color_index) 0, (gx_color_index) 1);
+    /* Restore the correct width. */
+    dev->width >>= 2;
+    return code;
+}
+
+#endif /* !arch_is_big_endian */
diff --git a/pstoraster/gdevm8.c b/pstoraster/gdevm8.c
new file mode 100644
index 000000000..875bcaddb
--- /dev/null
+++ b/pstoraster/gdevm8.c
@@ -0,0 +1,247 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 8-bit-per-pixel "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+/**************** NOTE: copy_rop only works for gray scale ****************/
+extern dev_proc_strip_copy_rop(mem_gray8_rgb24_strip_copy_rop);		/* in gdevmrop.c */
+
+#define mem_gray8_strip_copy_rop mem_gray8_rgb24_strip_copy_rop
+
+/* ================ Standard (byte-oriented) device ================ */
+
+#undef chunk
+#define chunk byte
+
+/* Procedures */
+declare_mem_procs(mem_mapped8_copy_mono, mem_mapped8_copy_color, mem_mapped8_fill_rectangle);
+
+/* The device descriptor. */
+const gx_device_memory mem_mapped8_device =
+mem_device("image8", 8, 0,
+	   mem_mapped_map_rgb_color, mem_mapped_map_color_rgb,
+  mem_mapped8_copy_mono, mem_mapped8_copy_color, mem_mapped8_fill_rectangle,
+	   mem_gray8_strip_copy_rop);
+
+/* Convert x coordinate to byte offset in scan line. */
+#undef x_to_byte
+#define x_to_byte(x) (x)
+
+/* Fill a rectangle with a color. */
+private int
+mem_mapped8_fill_rectangle(gx_device * dev,
+			   int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_fill(dev, x, y, w, h);
+    bytes_fill_rectangle(scan_line_base(mdev, y) + x, mdev->raster,
+			 (byte) color, w, h);
+    return 0;
+}
+
+/* Copy a monochrome bitmap. */
+/* We split up this procedure because of limitations in the bcc32 compiler. */
+private void mapped8_copy01(P9(chunk *, const byte *, int, int, uint,
+			       int, int, byte, byte));
+private void mapped8_copyN1(P8(chunk *, const byte *, int, int, uint,
+			       int, int, byte));
+private void mapped8_copy0N(P8(chunk *, const byte *, int, int, uint,
+			       int, int, byte));
+private int
+mem_mapped8_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    const byte *line;
+    int first_bit;
+
+    declare_scan_ptr(dest);
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    setup_rect(dest);
+    line = base + (sourcex >> 3);
+    first_bit = 0x80 >> (sourcex & 7);
+#define is_color(c) ((int)(c) != (int)gx_no_color_index)
+    if (is_color(one)) {
+	if (is_color(zero))
+	    mapped8_copy01(dest, line, first_bit, sraster, draster,
+			   w, h, (byte) zero, (byte) one);
+	else
+	    mapped8_copyN1(dest, line, first_bit, sraster, draster,
+			   w, h, (byte) one);
+    } else if (is_color(zero))
+	mapped8_copy0N(dest, line, first_bit, sraster, draster,
+		       w, h, (byte) zero);
+#undef is_color
+    return 0;
+}
+/* Macros for copy loops */
+#define COPY_BEGIN\
+	while ( h-- > 0 )\
+	{	register byte *pptr = dest;\
+		const byte *sptr = line;\
+		register int sbyte = *sptr;\
+		register uint bit = first_bit;\
+		int count = w;\
+		do\
+		{
+#define COPY_END\
+			if ( (bit >>= 1) == 0 )\
+				bit = 0x80, sbyte = *++sptr;\
+			pptr++;\
+		}\
+		while ( --count > 0 );\
+		line += sraster;\
+		inc_ptr(dest, draster);\
+	}
+/* Halftone coloring */
+private void
+mapped8_copy01(chunk * dest, const byte * line, int first_bit,
+	       int sraster, uint draster, int w, int h, byte b0, byte b1)
+{
+    COPY_BEGIN
+	* pptr = (sbyte & bit ? b1 : b0);
+    COPY_END
+}
+/* Stenciling */
+private void
+mapped8_copyN1(chunk * dest, const byte * line, int first_bit,
+	       int sraster, uint draster, int w, int h, byte b1)
+{
+    COPY_BEGIN
+	if (sbyte & bit)
+	*pptr = b1;
+    COPY_END
+}
+/* Reverse stenciling */
+private void
+mapped8_copy0N(chunk * dest, const byte * line, int first_bit,
+	       int sraster, uint draster, int w, int h, byte b0)
+{
+    COPY_BEGIN
+	if (!(sbyte & bit))
+	*pptr = b0;
+    COPY_END
+}
+#undef COPY_BEGIN
+#undef COPY_END
+
+/* Copy a color bitmap. */
+private int
+mem_mapped8_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		       int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    mem_copy_byte_rect(mdev, base, sourcex, sraster, x, y, w, h);
+    return 0;
+}
+
+/* ================ "Word"-oriented device ================ */
+
+/* Note that on a big-endian machine, this is the same as the */
+/* standard byte-oriented-device. */
+
+#if !arch_is_big_endian
+
+/* Procedures */
+declare_mem_procs(mem8_word_copy_mono, mem8_word_copy_color, mem8_word_fill_rectangle);
+
+/* Here is the device descriptor. */
+const gx_device_memory mem_mapped8_word_device =
+mem_full_device("image8w", 8, 0, mem_open,
+		mem_mapped_map_rgb_color, mem_mapped_map_color_rgb,
+	mem8_word_copy_mono, mem8_word_copy_color, mem8_word_fill_rectangle,
+		gx_default_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_no_strip_copy_rop, mem_word_get_bits_rectangle);
+
+/* Fill a rectangle with a color. */
+private int
+mem8_word_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			 gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *base;
+    uint raster;
+
+    fit_fill(dev, x, y, w, h);
+    base = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(base, raster, x << 3, w << 3, h, true);
+    bytes_fill_rectangle(base + x, raster, (byte) color, w, h);
+    mem_swap_byte_rect(base, raster, x << 3, w << 3, h, true);
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem8_word_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+    bool store;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    store = (zero != gx_no_color_index && one != gx_no_color_index);
+    mem_swap_byte_rect(row, raster, x << 3, w << 3, h, store);
+    mem_mapped8_copy_mono(dev, base, sourcex, sraster, id,
+			  x, y, w, h, zero, one);
+    mem_swap_byte_rect(row, raster, x << 3, w << 3, h, false);
+    return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+mem8_word_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		     int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *row;
+    uint raster;
+
+    fit_copy(dev, base, sourcex, sraster, id, x, y, w, h);
+    row = scan_line_base(mdev, y);
+    raster = mdev->raster;
+    mem_swap_byte_rect(row, raster, x << 3, w << 3, h, true);
+    mem_copy_byte_rect(mdev, base, sourcex, sraster, x, y, w, h);
+    mem_swap_byte_rect(row, raster, x << 3, w << 3, h, false);
+    return 0;
+}
+
+#endif /* !arch_is_big_endian */
diff --git a/pstoraster/gdevmem.c b/pstoraster/gdevmem.c
new file mode 100644
index 000000000..94dd921e8
--- /dev/null
+++ b/pstoraster/gdevmem.c
@@ -0,0 +1,501 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic "memory" (stored bitmap) device */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrect.h"
+#include "gsstruct.h"
+#include "gxarith.h"
+#include "gxdevice.h"
+#include "gxgetbit.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+/* Structure descriptor */
+public_st_device_memory();
+
+/* GC procedures */
+#define mptr ((gx_device_memory *)vptr)
+private 
+ENUM_PTRS_BEGIN(device_memory_enum_ptrs)
+{
+    return ENUM_USING(st_device_forward, vptr, sizeof(gx_device_forward), index - 2);
+}
+case 0:
+ENUM_RETURN((mptr->foreign_bits ? NULL : (void *)mptr->base));
+ENUM_STRING_PTR(1, gx_device_memory, palette);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(device_memory_reloc_ptrs)
+{
+    if (!mptr->foreign_bits) {
+	byte *base_old = mptr->base;
+	long reloc;
+	int y;
+
+	RELOC_PTR(gx_device_memory, base);
+	reloc = base_old - mptr->base;
+	for (y = 0; y < mptr->height; y++)
+	    mptr->line_ptrs[y] -= reloc;
+	/* Relocate line_ptrs, which also points into the data area. */
+	mptr->line_ptrs = (byte **) ((byte *) mptr->line_ptrs - reloc);
+    }
+    RELOC_CONST_STRING_PTR(gx_device_memory, palette);
+    RELOC_USING(st_device_forward, vptr, sizeof(gx_device_forward));
+}
+RELOC_PTRS_END
+#undef mptr
+
+/* Define the palettes for monobit devices. */
+private const byte b_w_palette_string[6] =
+{0xff, 0xff, 0xff, 0, 0, 0};
+const gs_const_string mem_mono_b_w_palette =
+{b_w_palette_string, 6};
+private const byte w_b_palette_string[6] =
+{0, 0, 0, 0xff, 0xff, 0xff};
+const gs_const_string mem_mono_w_b_palette =
+{w_b_palette_string, 6};
+
+/* ------ Generic code ------ */
+
+/* Return the appropriate memory device for a given */
+/* number of bits per pixel (0 if none suitable). */
+const gx_device_memory *
+gdev_mem_device_for_bits(int bits_per_pixel)
+{
+    switch (bits_per_pixel) {
+	case 1:
+	    return &mem_mono_device;
+	case 2:
+	    return &mem_mapped2_device;
+	case 4:
+	    return &mem_mapped4_device;
+	case 8:
+	    return &mem_mapped8_device;
+	case 16:
+	    return &mem_true16_device;
+	case 24:
+	    return &mem_true24_device;
+	case 32:
+	    return &mem_true32_device;
+	default:
+	    return 0;
+    }
+}
+/* Do the same for a word-oriented device. */
+const gx_device_memory *
+gdev_mem_word_device_for_bits(int bits_per_pixel)
+{
+    switch (bits_per_pixel) {
+	case 1:
+	    return &mem_mono_word_device;
+	case 2:
+	    return &mem_mapped2_word_device;
+	case 4:
+	    return &mem_mapped4_word_device;
+	case 8:
+	    return &mem_mapped8_word_device;
+	case 24:
+	    return &mem_true24_word_device;
+	case 32:
+	    return &mem_true32_word_device;
+	default:
+	    return 0;
+    }
+}
+
+/* Make a memory device. */
+/* Note that the default for monobit devices is white = 0, black = 1. */
+void
+gs_make_mem_device(gx_device_memory * dev, const gx_device_memory * mdproto,
+		   gs_memory_t * mem, int page_device, gx_device * target)
+{
+    gx_device_init((gx_device *) dev, (const gx_device *)mdproto,
+		   mem, true);
+    dev->stype = &st_device_memory;
+    switch (page_device) {
+	case -1:
+	    set_dev_proc(dev, get_page_device, gx_default_get_page_device);
+	    break;
+	case 1:
+	    set_dev_proc(dev, get_page_device, gx_page_device_get_page_device);
+	    break;
+    }
+    dev->target = target;
+    if (target != 0) {
+	/* Forward the color mapping operations to the target. */
+	gx_device_forward_color_procs((gx_device_forward *) dev);
+    }
+    if (dev->color_info.depth == 1)
+	gdev_mem_mono_set_inverted(dev,
+				   (target == 0 ||
+				    (*dev_proc(target, map_rgb_color))
+			    (target, (gx_color_value) 0, (gx_color_value) 0,
+			     (gx_color_value) 0) != 0));
+}
+/* Make a monobit memory device.  This is never a page device. */
+/* Note that white=0, black=1. */
+void
+gs_make_mem_mono_device(gx_device_memory * dev, gs_memory_t * mem,
+			gx_device * target)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    *dev = mem_mono_device;
+    dev->memory = mem;
+    set_dev_proc(dev, get_page_device, gx_default_get_page_device);
+    mdev->target = target;
+    gdev_mem_mono_set_inverted(dev, true);
+    rc_init(dev, mem, 0);
+}
+
+
+/* Define whether a monobit memory device is inverted (black=1). */
+void
+gdev_mem_mono_set_inverted(gx_device_memory * dev, bool black_is_1)
+{
+    if (black_is_1)
+	dev->palette = mem_mono_b_w_palette;
+    else
+	dev->palette = mem_mono_w_b_palette;
+}
+
+/* Compute the size of the bitmap storage, */
+/* including the space for the scan line pointer table. */
+/* Note that scan lines are padded to a multiple of align_bitmap_mod bytes, */
+/* and additional padding may be needed if the pointer table */
+/* must be aligned to an even larger modulus. */
+private ulong
+mem_bitmap_bits_size(const gx_device_memory * dev, int width, int height)
+{
+    return round_up((ulong) height *
+		    bitmap_raster(width * dev->color_info.depth), 8);
+}
+ulong
+gdev_mem_data_size(const gx_device_memory * dev, int width, int height)
+{
+    return mem_bitmap_bits_size(dev, width, height) +
+	(ulong) height *sizeof(byte *);
+
+}
+/*
+ * Do the inverse computation: given a width (in pixels) and a buffer size,
+ * compute the maximum height.
+ */
+int
+gdev_mem_max_height(const gx_device_memory * dev, int width, ulong size)
+{
+    ulong max_height = size /
+    (bitmap_raster(width * dev->color_info.depth) + sizeof(byte *));
+    int height = (int)min(max_height, max_int);
+
+    /*
+     * Because of alignment rounding, the just-computed height might
+     * be too large by a small amount.  Adjust it the easy way.
+     */
+    while (gdev_mem_data_size(dev, width, height) > size)
+	--height;
+    return height;
+}
+
+/* Open a memory device, allocating the data area if appropriate, */
+/* and create the scan line table. */
+private void mem_set_line_ptrs(P4(gx_device_memory *, byte **, byte *, int));
+int
+mem_open(gx_device * dev)
+{
+    return gdev_mem_open_scan_lines((gx_device_memory *)dev, dev->height);
+}
+int
+gdev_mem_open_scan_lines(gx_device_memory *mdev, int setup_height)
+{
+    int offset;
+
+    if (setup_height < 0 || setup_height > mdev->height)
+	return_error(gs_error_rangecheck);
+    if (mdev->bitmap_memory != 0) {	/* Allocate the data now. */
+	ulong size = gdev_mem_bitmap_size(mdev);
+
+	if ((uint) size != size)
+	    return_error(gs_error_limitcheck);
+	mdev->base = gs_alloc_bytes(mdev->bitmap_memory, (uint)size,
+				    "mem_open");
+	if (mdev->base == 0)
+	    return_error(gs_error_VMerror);
+	mdev->foreign_bits = false;
+    }
+/*
+ * Macro for adding an offset to a pointer when setting up the
+ * scan line table.  This isn't just pointer arithmetic, because of
+ * the segmenting considerations discussed in gdevmem.h.
+ */
+#define huge_ptr_add(base, offset)\
+   ((void *)((byte huge *)(base) + (offset)))
+
+
+    offset = mem_bitmap_bits_size(mdev, mdev->width, mdev->height);
+
+    mem_set_line_ptrs(mdev,
+		      huge_ptr_add(mdev->base, offset),
+		      mdev->base, setup_height);
+    return 0;
+}
+/* Set up the scan line pointers of a memory device. */
+/* Sets line_ptrs, base, raster; uses width, color_info.depth. */
+private void
+mem_set_line_ptrs(gx_device_memory * mdev, byte ** line_ptrs, byte * base,
+		  int count /* >= 0 */)
+{
+    byte **pptr = mdev->line_ptrs = line_ptrs;
+    byte **pend = pptr + count;
+    byte *scan_line = mdev->base = base;
+    uint raster = mdev->raster = gdev_mem_raster(mdev);
+
+    while (pptr < pend) {
+	*pptr++ = scan_line;
+	scan_line = huge_ptr_add(scan_line, raster);
+    }
+}
+
+/* Return the initial transformation matrix */
+void
+mem_get_initial_matrix(gx_device * dev, gs_matrix * pmat)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    pmat->xx = mdev->initial_matrix.xx;
+    pmat->xy = mdev->initial_matrix.xy;
+    pmat->yx = mdev->initial_matrix.yx;
+    pmat->yy = mdev->initial_matrix.yy;
+    pmat->tx = mdev->initial_matrix.tx;
+    pmat->ty = mdev->initial_matrix.ty;
+}
+
+/* Test whether a device is a memory device */
+bool
+gs_device_is_memory(const gx_device * dev)
+{				/* We can't just compare the procs, or even an individual proc, */
+    /* because we might be tracing.  Instead, check the identity of */
+    /* the device name. */
+    const gx_device_memory *bdev =
+    gdev_mem_device_for_bits(dev->color_info.depth);
+
+    if (bdev != 0 && bdev->dname == dev->dname)
+	return true;
+    bdev = gdev_mem_word_device_for_bits(dev->color_info.depth);
+    return (bdev != 0 && bdev->dname == dev->dname);
+}
+
+/* Close a memory device, freeing the data area if appropriate. */
+int
+mem_close(gx_device * dev)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+
+    if (mdev->bitmap_memory != 0)
+	gs_free_object(mdev->bitmap_memory, mdev->base, "mem_close");
+    return 0;
+}
+
+/* Copy bits to a client. */
+#undef chunk
+#define chunk byte
+int
+mem_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    gs_get_bits_options_t options = params->options;
+    int x = prect->p.x, w = prect->q.x - x, y = prect->p.y, h = prect->q.y - y;
+
+    if (options == 0) {
+	params->options =
+	    (GB_ALIGN_STANDARD | GB_ALIGN_ANY) |
+	    (GB_RETURN_COPY | GB_RETURN_POINTER) |
+	    (GB_OFFSET_0 | GB_OFFSET_SPECIFIED | GB_OFFSET_ANY) |
+	    (GB_RASTER_STANDARD | GB_RASTER_SPECIFIED | GB_RASTER_ANY) |
+	    GB_PACKING_CHUNKY | GB_COLORS_NATIVE | GB_ALPHA_NONE;
+	return_error(gs_error_rangecheck);
+    }
+    if ((w <= 0) | (h <= 0)) {
+	if ((w | h) < 0)
+	    return_error(gs_error_rangecheck);
+	return 0;
+    }
+    if (x < 0 || w > dev->width - x ||
+	y < 0 || h > dev->height - y
+	)
+	return_error(gs_error_rangecheck);
+    {
+	byte *base = scan_line_base(mdev, y);
+	int code = gx_get_bits_return_pointer(dev, x, h, params,
+				      GB_COLORS_NATIVE | GB_PACKING_CHUNKY |
+					      GB_ALPHA_NONE, base);
+
+	if (code >= 0)
+	    return code;
+	return gx_get_bits_copy(dev, x, w, h, params,
+				GB_COLORS_NATIVE | GB_PACKING_CHUNKY |
+				GB_ALPHA_NONE, base,
+				gx_device_raster(dev, true));
+    }
+}
+
+#if !arch_is_big_endian
+
+/*
+ * Swap byte order in a rectangular subset of a bitmap.  If store = true,
+ * assume the rectangle will be overwritten, so don't swap any bytes where
+ * it doesn't matter.  The caller has already done a fit_fill or fit_copy.
+ * Note that the coordinates are specified in bits, not in terms of the
+ * actual device depth.
+ */
+void
+mem_swap_byte_rect(byte * base, uint raster, int x, int w, int h, bool store)
+{
+    int xbit = x & 31;
+
+    if (store) {
+	if (xbit + w > 64) {	/* Operation spans multiple words. */
+	    /* Just swap the words at the left and right edges. */
+	    if (xbit != 0)
+		mem_swap_byte_rect(base, raster, x, 1, h, false);
+	    x += w - 1;
+	    xbit = x & 31;
+	    if (xbit == 31)
+		return;
+	    w = 1;
+	}
+    }
+    /* Swap the entire rectangle (or what's left of it). */
+    {
+	byte *row = base + ((x >> 5) << 2);
+	int nw = (xbit + w + 31) >> 5;
+	int ny;
+
+	for (ny = h; ny > 0; row += raster, --ny) {
+	    int nx = nw;
+	    bits32 *pw = (bits32 *) row;
+
+	    do {
+		bits32 w = *pw;
+
+		*pw++ = (w >> 24) + ((w >> 8) & 0xff00) +
+		    ((w & 0xff00) << 8) + (w << 24);
+	    }
+	    while (--nx);
+	}
+    }
+}
+
+/* Copy a word-oriented rectangle to the client, swapping bytes as needed. */
+int
+mem_word_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte *src;
+    uint dev_raster = gx_device_raster(dev, 1);
+    int x = prect->p.x;
+    int w = prect->q.x - x;
+    int y = prect->p.y;
+    int h = prect->q.y - y;
+    int bit_x, bit_w;
+    int code;
+
+    fit_fill_xywh(dev, x, y, w, h);
+    if (w <= 0 || h <= 0) {
+	/*
+	 * It's easiest to just keep going with an empty rectangle.
+	 * We pass the original rectangle to mem_get_bits_rectangle,
+	 * so unread will be filled in correctly.
+	 */
+	x = y = w = h = 0;
+    }
+    bit_x = x * dev->color_info.depth;
+    bit_w = w * dev->color_info.depth;
+    src = scan_line_base(mdev, y);
+    mem_swap_byte_rect(src, dev_raster, bit_x, bit_w, h, false);
+    code = mem_get_bits_rectangle(dev, prect, params, unread);
+    mem_swap_byte_rect(src, dev_raster, bit_x, bit_w, h, false);
+    return code;
+}
+
+#endif /* !arch_is_big_endian */
+
+/* Map a r-g-b color to a color index for a mapped color memory device */
+/* (2, 4, or 8 bits per pixel.) */
+/* This requires searching the palette. */
+gx_color_index
+mem_mapped_map_rgb_color(gx_device * dev, gx_color_value r, gx_color_value g,
+			 gx_color_value b)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte br = gx_color_value_to_byte(r);
+    byte bg = gx_color_value_to_byte(g);
+    byte bb = gx_color_value_to_byte(b);
+    register const byte *pptr = mdev->palette.data;
+    int cnt = mdev->palette.size;
+    const byte *which = 0;	/* initialized only to pacify gcc */
+    int best = 256 * 3;
+
+    while ((cnt -= 3) >= 0) {
+	register int diff = *pptr - br;
+
+	if (diff < 0)
+	    diff = -diff;
+	if (diff < best) {	/* quick rejection */
+	    int dg = pptr[1] - bg;
+
+	    if (dg < 0)
+		dg = -dg;
+	    if ((diff += dg) < best) {	/* quick rejection */
+		int db = pptr[2] - bb;
+
+		if (db < 0)
+		    db = -db;
+		if ((diff += db) < best)
+		    which = pptr, best = diff;
+	    }
+	}
+	pptr += 3;
+    }
+    return (gx_color_index) ((which - mdev->palette.data) / 3);
+}
+
+/* Map a color index to a r-g-b color for a mapped color memory device. */
+int
+mem_mapped_map_color_rgb(gx_device * dev, gx_color_index color,
+			 gx_color_value prgb[3])
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    const byte *pptr = mdev->palette.data + (int)color * 3;
+
+    prgb[0] = gx_color_value_from_byte(pptr[0]);
+    prgb[1] = gx_color_value_from_byte(pptr[1]);
+    prgb[2] = gx_color_value_from_byte(pptr[2]);
+    return 0;
+}
diff --git a/pstoraster/gdevmem.h b/pstoraster/gdevmem.h
new file mode 100644
index 000000000..17dc5c059
--- /dev/null
+++ b/pstoraster/gdevmem.h
@@ -0,0 +1,233 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Private definitions for memory devices. */
+
+#ifndef gdevmem_INCLUDED
+#  define gdevmem_INCLUDED
+
+#include "gxbitops.h"
+
+/*
+   The representation for a "memory" device is simply a
+   contiguous bitmap stored in something like the PostScript
+   representation, i.e., each scan line (in left-to-right order), padded
+   to a multiple of bitmap_align_mod bytes, followed immediately by
+   the next one.
+
+   The representation of strings in the interpreter limits
+   the size of a string to 64K-1 bytes, which means we can't simply use
+   a string for the contents of a memory device.
+   We get around this problem by making the client read out the
+   contents of a memory device bitmap in pieces.
+
+   On 80x86 PCs running in 16-bit mode, there may be no way to
+   obtain a contiguous block of storage larger than 64K bytes,
+   which typically isn't big enough for a full-screen bitmap.
+   We take the following compromise position: if the PC is running in
+   native mode (pseudo-segmenting), we limit the bitmap to 64K;
+   if the PC is running in protected mode (e.g., under MS Windows),
+   we assume that blocks larger than 64K have sequential segment numbers,
+   and that the client arranges things so that an individual scan line,
+   the scan line pointer table, and any single call on a drawing routine
+   do not cross a segment boundary.
+
+   Even though the scan lines are stored contiguously, we store a table
+   of their base addresses, because indexing into it is faster than
+   the multiplication that would otherwise be needed.
+ */
+
+/*
+ * Macros for scan line access.
+ * x_to_byte is different for each number of bits per pixel.
+ * Note that these macros depend on the definition of chunk:
+ * each procedure that uses the scanning macros should #define
+ * (not typedef) chunk as either uint or byte.
+ */
+#define declare_scan_ptr(ptr)\
+	DECLARE_SCAN_PTR_VARS(ptr, chunk *, draster)
+#define DECLARE_SCAN_PTR_VARS(ptr, ptype, draster)\
+	register ptype ptr;\
+	uint draster
+#define setup_rect(ptr)\
+	SETUP_RECT_VARS(ptr, chunk *, draster)
+#define SETUP_RECT_VARS(ptr, ptype, draster)\
+	draster = mdev->raster;\
+	ptr = (ptype)(scan_line_base(mdev, y) +\
+	  (x_to_byte(x) & -chunk_align_bytes))
+
+/* ------ Generic macros ------ */
+
+/* Macro for declaring the essential device procedures. */
+dev_proc_get_initial_matrix(mem_get_initial_matrix);
+dev_proc_close_device(mem_close);
+#define declare_mem_map_procs(map_rgb_color, map_color_rgb)\
+  private dev_proc_map_rgb_color(map_rgb_color);\
+  private dev_proc_map_color_rgb(map_color_rgb)
+#define declare_mem_procs(copy_mono, copy_color, fill_rectangle)\
+  private dev_proc_copy_mono(copy_mono);\
+  private dev_proc_copy_color(copy_color);\
+  private dev_proc_fill_rectangle(fill_rectangle)
+
+/* The following are used for all except planar or word-oriented devices. */
+dev_proc_open_device(mem_open);
+dev_proc_get_bits_rectangle(mem_get_bits_rectangle);
+/* The following are for word-oriented devices. */
+#if arch_is_big_endian
+#  define mem_word_get_bits_rectangle mem_get_bits_rectangle
+#else
+dev_proc_get_bits_rectangle(mem_word_get_bits_rectangle);
+#endif
+/* The following are used for the non-true-color devices. */
+dev_proc_map_rgb_color(mem_mapped_map_rgb_color);
+dev_proc_map_color_rgb(mem_mapped_map_color_rgb);
+
+/*
+ * Macro for generating the device descriptor.
+ * Various compilers have problems with the obvious definition
+ * for max_value, namely:
+ *      (depth >= 8 ? 255 : (1 << depth) - 1)
+ * I tried changing (1 << depth) to (1 << (depth & 15)) to forestall bogus
+ * error messages about invalid shift counts, but the H-P compiler chokes
+ * on this.  Since the only values of depth we ever plan to support are
+ * powers of 2 (and 24), we just go ahead and enumerate them.
+ */
+#define max_value_gray(rgb_depth, gray_depth)\
+  (gray_depth ? (1 << gray_depth) - 1 : max_value_rgb(rgb_depth, 0))
+#define max_value_rgb(rgb_depth, gray_depth)\
+  (rgb_depth >= 8 ? 255 : rgb_depth == 4 ? 15 : rgb_depth == 2 ? 3 :\
+   rgb_depth == 1 ? 1 : (1 << gray_depth) - 1)
+#define mem_full_alpha_device(name, rgb_depth, gray_depth, open, map_rgb_color, map_color_rgb, copy_mono, copy_color, fill_rectangle, map_cmyk_color, copy_alpha, strip_tile_rectangle, strip_copy_rop, get_bits_rectangle)\
+{	std_device_dci_body(gx_device_memory, 0, name,\
+	  0, 0, 72, 72,\
+	  (rgb_depth ? 3 : 0) + (gray_depth ? 1 : 0),	/* num_components */\
+	  rgb_depth + gray_depth,	/* depth */\
+	  max_value_gray(rgb_depth, gray_depth),	/* max_gray */\
+	  max_value_rgb(rgb_depth, gray_depth),	/* max_color */\
+	  max_value_gray(rgb_depth, gray_depth) + 1, /* dither_grays */\
+	  max_value_rgb(rgb_depth, gray_depth) + 1 /* dither_colors */\
+	),\
+	{	open,			/* differs */\
+		mem_get_initial_matrix,\
+		gx_default_sync_output,\
+		gx_default_output_page,\
+		mem_close,\
+		map_rgb_color,		/* differs */\
+		map_color_rgb,		/* differs */\
+		fill_rectangle,		/* differs */\
+		gx_default_tile_rectangle,\
+		copy_mono,		/* differs */\
+		copy_color,		/* differs */\
+		gx_default_draw_line,\
+		gx_default_get_bits,\
+		gx_default_get_params,\
+		gx_default_put_params,\
+		map_cmyk_color,		/* differs */\
+		gx_forward_get_xfont_procs,\
+		gx_forward_get_xfont_device,\
+		gx_default_map_rgb_alpha_color,\
+		gx_forward_get_page_device,\
+		gx_default_get_alpha_bits,	/* default is no alpha */\
+		copy_alpha,		/* differs */\
+		gx_default_get_band,\
+		gx_default_copy_rop,\
+		gx_default_fill_path,\
+		gx_default_stroke_path,\
+		gx_default_fill_mask,\
+		gx_default_fill_trapezoid,\
+		gx_default_fill_parallelogram,\
+		gx_default_fill_triangle,\
+		gx_default_draw_thin_line,\
+		gx_default_begin_image,\
+		gx_default_image_data,\
+		gx_default_end_image,\
+		strip_tile_rectangle,	/* differs */\
+		strip_copy_rop,		/* differs */\
+		gx_default_get_clipping_box,\
+		gx_default_begin_typed_image,\
+		get_bits_rectangle,	/* differs */\
+		gx_default_map_color_rgb_alpha,\
+		gx_default_create_compositor,\
+		gx_default_get_hardware_params,\
+		gx_default_text_begin\
+	},\
+	0,			/* target */\
+	mem_device_init_private	/* see gxdevmem.h */\
+}
+#define mem_full_device(name, rgb_depth, gray_depth, open, map_rgb_color, map_color_rgb, copy_mono, copy_color, fill_rectangle, map_cmyk_color, strip_tile_rectangle, strip_copy_rop, get_bits_rectangle)\
+  mem_full_alpha_device(name, rgb_depth, gray_depth, open, map_rgb_color,\
+			map_color_rgb, copy_mono, copy_color, fill_rectangle,\
+			map_cmyk_color, gx_default_copy_alpha,\
+			strip_tile_rectangle, strip_copy_rop,\
+			get_bits_rectangle)
+#define mem_device(name, rgb_depth, gray_depth, map_rgb_color, map_color_rgb, copy_mono, copy_color, fill_rectangle, strip_copy_rop)\
+  mem_full_device(name, rgb_depth, gray_depth, mem_open, map_rgb_color,\
+		  map_color_rgb, copy_mono, copy_color, fill_rectangle,\
+		  gx_default_map_cmyk_color, gx_default_strip_tile_rectangle,\
+		  strip_copy_rop, mem_get_bits_rectangle)
+
+/* Swap a rectangle of bytes, for converting between word- and */
+/* byte-oriented representation. */
+void mem_swap_byte_rect(P6(byte *, uint, int, int, int, bool));
+
+/* Copy a rectangle of bytes from a source to a destination. */
+#define mem_copy_byte_rect(mdev, base, sourcex, sraster, x, y, w, h)\
+  bytes_copy_rectangle(scan_line_base(mdev, y) + x_to_byte(x),\
+		       (mdev)->raster,\
+		       base + x_to_byte(sourcex), sraster,\
+		       x_to_byte(w), h)
+
+/* ------ Implementations ------ */
+
+extern const gx_device_memory mem_mono_device;
+extern const gx_device_memory mem_mapped2_device;
+extern const gx_device_memory mem_mapped4_device;
+extern const gx_device_memory mem_mapped8_device;
+extern const gx_device_memory mem_true16_device;
+extern const gx_device_memory mem_true24_device;
+extern const gx_device_memory mem_true32_device;
+extern const gx_device_memory mem_planar_device;
+
+#if arch_is_big_endian
+#  define mem_mono_word_device mem_mono_device
+#  define mem_mapped2_word_device mem_mapped2_device
+#  define mem_mapped4_word_device mem_mapped4_device
+#  define mem_mapped8_word_device mem_mapped8_device
+#  define mem_true24_word_device mem_true24_device
+#  define mem_true32_word_device mem_true32_device
+#else
+extern const gx_device_memory mem_mono_word_device;
+extern const gx_device_memory mem_mapped2_word_device;
+extern const gx_device_memory mem_mapped4_word_device;
+extern const gx_device_memory mem_mapped8_word_device;
+extern const gx_device_memory mem_true24_word_device;
+extern const gx_device_memory mem_true32_word_device;
+
+#endif
+/* Provide standard palettes for 1-bit devices. */
+extern const gs_const_string mem_mono_b_w_palette;	/* black=1, white=0 */
+extern const gs_const_string mem_mono_w_b_palette;	/* black=0, white=1 */
+
+#endif /* gdevmem_INCLUDED */
diff --git a/pstoraster/gdevmgr.h b/pstoraster/gdevmgr.h
new file mode 100644
index 000000000..0cab14414
--- /dev/null
+++ b/pstoraster/gdevmgr.h
@@ -0,0 +1,127 @@
+/* Copyright (C) 1992, 1993, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$*/
+/* Common header file for MGR devices */
+
+#ifndef gdevmgr_INCLUDED
+#  define gdevmgr_INCLUDED
+
+#define MGR_RESERVEDCOLORS 16
+
+/* Color mapping routines for 8-bit color (with a fixed palette). */
+dev_proc_map_rgb_color(mgr_8bit_map_rgb_color);
+dev_proc_map_color_rgb(mgr_8bit_map_color_rgb);
+
+
+/* extract from dump.h */
+
+/*
+ * format for saved bitmaps
+ */
+
+#define B_PUTHDR8(hdr, w, h, d) (			\
+	(hdr)->magic[0]  = 'y', (hdr)->magic[1] = 'z',  \
+	(hdr)->h_wide    = (((w) >> 6) & 0x3f) + ' ',	\
+	(hdr)->l_wide    = ((w) & 0x3f) + ' ',		\
+	(hdr)->h_high    = (((h) >> 6) & 0x3f) + ' ',	\
+	(hdr)->l_high    = ((h) & 0x3f) + ' ',		\
+	(hdr)->depth     = ((d) & 0x3f) + ' ',		\
+	(hdr)->_reserved = ' ' )
+
+struct b_header {
+  char magic[2];           /* magics */
+  char h_wide;             /* upper byte width (biased with 0x20) */
+  char l_wide;             /* lower byte width (biased with 0x20) */
+  char h_high;             /* upper byte height (biased with 0x20) */
+  char l_high;             /* lower byte height (biased with 0x20) */
+  char depth;              /* depth (biased with 0x20) */
+  char _reserved;          /* for alignment */
+};
+
+/*
+ * Color lookup table information
+ */
+struct nclut {
+  unsigned short colnum;
+  unsigned short red, green, blue;
+} ;
+
+
+/* extract from color.h */
+
+/*
+ * MGR Color Definitions
+ */
+
+#define LUT_BW    0
+#define LUT_GREY  1
+#define LUT_BGREY 2
+#define LUT_VGA   3
+#define LUT_BCT   4
+#define LUT_USER  5
+#define LUT       6
+#define LUT_8     LUT
+
+#define RGB_RED   0
+#define RGB_GREEN 1
+#define RGB_BLUE  2
+#define RGB       3
+
+#define LUTENTRIES 16
+
+#define BW_RED       15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0
+#define BW_GREEN     BW_RED
+#define BW_BLUE      BW_RED
+
+#define GREY_RED     0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+#define GREY_GREEN   GREY_RED
+#define GREY_BLUE    GREY_RED
+
+#define BGREY_RED    1, 0, 2, 8, 4, 3, 13, 11, 7, 6, 10, 12, 14, 5, 9, 15
+#define BGREY_GREEN  BGREY_RED
+#define BGREY_BLUE   BGREY_RED
+
+#define VGA_RED      0, 0, 0, 0, 8, 8, 8, 12, 8,  0,  0,  0, 15, 15, 15, 15
+#define VGA_GREEN    0, 0, 8, 8, 0, 0, 8, 12, 8,  0, 15, 15,  0,  0, 15, 15
+#define VGA_BLUE     0, 8, 0, 8, 0, 8, 0, 12, 8, 15,  0, 15,  0, 15,  0, 15
+
+#define BCT_RED      1,  7,  6, 15, 14, 3, 13, 11, 7, 13, 13, 15, 15, 5, 9, 15
+#define BCT_GREEN    1,  7, 13, 12,  5, 3, 13, 11, 7, 14, 15, 15, 14, 5, 9, 15
+#define BCT_BLUE     1, 14,  6,  8,  5, 3, 13, 11, 7, 15, 14, 12, 13, 5, 9, 15
+
+#define USER_RED     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+#define USER_GREEN   USER_RED
+#define USER_BLUE    USER_RED
+
+static char mgrlut[LUT][RGB][LUTENTRIES] = {
+  { { BW_RED },    { BW_GREEN },    { BW_BLUE } },
+  { { GREY_RED },  { GREY_GREEN },  { GREY_BLUE } },
+  { { BGREY_RED }, { BGREY_GREEN }, { BGREY_BLUE } },
+  { { VGA_RED },   { VGA_GREEN },   { VGA_BLUE } },
+  { { BCT_RED },   { BCT_GREEN },   { BCT_BLUE } },
+  { { USER_RED },  { USER_GREEN },  { USER_BLUE } }
+};
+
+#endif				/* gdevmgr_INCLUDED */
diff --git a/pstoraster/gdevmpla.c b/pstoraster/gdevmpla.c
new file mode 100644
index 000000000..239ffbcc8
--- /dev/null
+++ b/pstoraster/gdevmpla.c
@@ -0,0 +1,200 @@
+/* Copyright (C) 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Any-depth planar "memory" (stored bitmap) devices */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* semi-public definitions */
+#include "gdevmem.h"		/* private definitions */
+
+/*
+ * Planar memory devices store the bits by planes instead of by chunks.
+ * The plane corresponding to the least significant bit of the color index
+ * is stored first.
+ *
+ * The current implementations are quite inefficient.
+ * We may improve them someday if anyone cares.
+ */
+
+/* Procedures */
+declare_mem_map_procs(mem_planar_map_rgb_color, mem_planar_map_color_rgb);
+declare_mem_procs(mem_planar_copy_mono, mem_planar_copy_color, mem_planar_fill_rectangle);
+
+/* The device descriptor. */
+/* The instance is public. */
+/* The default instance has depth = 1, but clients may set this */
+/* to other values before opening the device. */
+private dev_proc_open_device(mem_planar_open);
+private dev_proc_get_bits_rectangle(mem_planar_get_bits_rectangle);
+const gx_device_memory mem_planar_device =
+mem_full_device("image(planar)", 0, 1, mem_planar_open,
+		mem_planar_map_rgb_color, mem_planar_map_color_rgb,
+     mem_planar_copy_mono, mem_planar_copy_color, mem_planar_fill_rectangle,
+		gx_default_map_cmyk_color, gx_default_strip_tile_rectangle,
+		gx_no_strip_copy_rop, mem_planar_get_bits_rectangle);
+
+/* Open a planar memory device. */
+private int
+mem_planar_open(gx_device * dev)
+{				/* Temporarily reset the parameters, and call */
+    /* the generic open procedure. */
+    int depth = dev->color_info.depth;
+    int height = dev->height;
+    int code;
+
+    dev->height *= depth;
+    dev->color_info.depth = 1;
+    code = mem_open(dev);
+    dev->height = height;
+    dev->color_info.depth = depth;
+    return code;
+}
+
+/* Map a r-g-b color to a color index. */
+private gx_color_index
+mem_planar_map_rgb_color(gx_device * dev, gx_color_value r, gx_color_value g,
+			 gx_color_value b)
+{
+    int depth = dev->color_info.depth;
+
+    return (*dev_proc(gdev_mem_device_for_bits(depth), map_rgb_color))
+	(dev, r, g, b);
+}
+
+/* Map a color index to a r-g-b color. */
+private int
+mem_planar_map_color_rgb(gx_device * dev, gx_color_index color,
+			 gx_color_value prgb[3])
+{
+    int depth = dev->color_info.depth;
+
+    return (*dev_proc(gdev_mem_device_for_bits(depth), map_color_rgb))
+	(dev, color, prgb);
+}
+
+/* Fill a rectangle with a color. */
+private int
+mem_planar_fill_rectangle(gx_device * dev,
+			  int x, int y, int w, int h, gx_color_index color)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte **ptrs = mdev->line_ptrs;
+    int i;
+
+    for (i = 0; i < dev->color_info.depth;
+	 i++, mdev->line_ptrs += dev->height
+	)
+	(*dev_proc(&mem_mono_device, fill_rectangle)) (dev,
+					      x, y, w, h, (color >> i) & 1);
+    mdev->line_ptrs = ptrs;
+    return 0;
+}
+
+/* Copy a bitmap. */
+private int
+mem_planar_copy_mono(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+	int x, int y, int w, int h, gx_color_index zero, gx_color_index one)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte **ptrs = mdev->line_ptrs;
+    int i;
+
+    for (i = 0; i < dev->color_info.depth;
+	 i++, mdev->line_ptrs += dev->height
+	)
+	(*dev_proc(&mem_mono_device, copy_mono)) (dev,
+				     base, sourcex, sraster, id, x, y, w, h,
+			    (zero == gx_no_color_index ? gx_no_color_index :
+			     (zero >> i) & 1),
+			     (one == gx_no_color_index ? gx_no_color_index :
+			      (one >> i) & 1));
+    mdev->line_ptrs = ptrs;
+    return 0;
+}
+
+/* Copy a color bitmap. */
+/* This is very slow and messy. */
+private int
+mem_planar_copy_color(gx_device * dev,
+	       const byte * base, int sourcex, int sraster, gx_bitmap_id id,
+		      int x, int y, int w, int h)
+{
+    gx_device_memory * const mdev = (gx_device_memory *)dev;
+    byte **ptrs = mdev->line_ptrs;
+    int depth = dev->color_info.depth;
+    int wleft = w;
+    int hleft = h;
+    const byte *srow = base;
+    int ynext = y;
+
+#define max_w 32
+    union _b {
+	long l[max_w / sizeof(long)];
+	byte b[max_w / 8];
+    } buf;
+
+    while (wleft > max_w) {
+	mem_planar_copy_color(dev, base,
+			  sourcex + wleft - max_w, sraster, gx_no_bitmap_id,
+			      x + wleft - max_w, y, max_w, h);
+	wleft -= max_w;
+    }
+    for (; hleft > 0;
+	 srow += sraster, ynext++, hleft--,
+	 mdev->line_ptrs += dev->height
+	) {
+	int i;
+
+	for (i = 0; i < depth;
+	     i++, mdev->line_ptrs += dev->height
+	    ) {
+	    int sx, bx;
+
+	    memset(buf.b, 0, sizeof(buf.b));
+	    for (sx = 0, bx = sourcex * depth + depth - 1 - i;
+		 sx < w; sx++, bx += depth
+		)
+		if (srow[bx >> 3] & (0x80 >> (bx & 7)))
+		    buf.b[sx >> 3] |= 0x80 >> (sx & 7);
+	    (*dev_proc(&mem_mono_device, copy_mono)) (dev,
+				     buf.b, 0, sizeof(buf), gx_no_bitmap_id,
+						      x, ynext, w, 1,
+				    (gx_color_index) 0, (gx_color_index) 1);
+	}
+	mdev->line_ptrs = ptrs;
+    }
+    return 0;
+}
+
+/* Copy bits back from a planar memory device. */
+/****** NOT IMPLEMENTED YET ******/
+private int
+mem_planar_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    return_error(-1);
+}
diff --git a/pstoraster/gdevmrop.h b/pstoraster/gdevmrop.h
new file mode 100644
index 000000000..3c143c921
--- /dev/null
+++ b/pstoraster/gdevmrop.h
@@ -0,0 +1,97 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for device RasterOp implementations. */
+/* Requires gxdevmem.h, gsropt.h */
+
+#ifndef gdevmrop_INCLUDED
+#  define gdevmrop_INCLUDED
+
+/* Define the table of RasterOp implementation procedures. */
+extern const rop_proc rop_proc_table[256];
+
+/* Define the table of RasterOp operand usage. */
+extern const byte /*rop_usage_t */ rop_usage_table[256];
+
+/*
+ * Compute the effective RasterOp for the 1-bit case,
+ * taking transparency into account.
+ */
+gs_rop3_t gs_transparent_rop(P1(gs_logical_operation_t lop));
+
+#ifdef DEBUG
+/* Trace a [strip_]copy_rop call. */
+void trace_copy_rop(P16(const char *cname, gx_device * dev,
+			const byte * sdata, int sourcex, uint sraster,
+			gx_bitmap_id id, const gx_color_index * scolors,
+			const gx_strip_bitmap * textures,
+			const gx_color_index * tcolors,
+			int x, int y, int width, int height,
+			int phase_x, int phase_y, gs_logical_operation_t lop));
+#endif
+
+/*
+ * PostScript colors normally act as the texture for RasterOp, with a null
+ * (all zeros) source.  For images with CombineWithColor = true, we need
+ * a way to use the image data as the source.  We implement this with a
+ * device that applies RasterOp with a specified texture to drawing
+ * operations, treating the drawing color as source rather than texture.
+ * The texture is a gx_device_color; it may be any type of color, even a
+ * pattern.
+ */
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+
+#ifndef gx_device_rop_texture_DEFINED
+#  define gx_device_rop_texture_DEFINED
+typedef struct gx_device_rop_texture_s gx_device_rop_texture;
+
+#endif
+
+struct gx_device_rop_texture_s {
+    gx_device_forward_common;
+    gs_logical_operation_t log_op;
+    gx_device_color texture;
+};
+
+#define private_st_device_rop_texture()	/* in gdevrops.c */\
+  gs_private_st_composite(st_device_rop_texture, gx_device_rop_texture,\
+    "gx_device_rop_texture", device_rop_texture_enum_ptrs, device_rop_texture_reloc_ptrs)
+
+/* Create a RasterOp source device. */
+int gx_alloc_rop_texture_device(P3(gx_device_rop_texture ** prsdev,
+				   gs_memory_t * mem,
+				   client_name_t cname));
+
+/* Initialize a RasterOp source device. */
+void gx_make_rop_texture_device(P4(gx_device_rop_texture * rsdev,
+				   gx_device * target,
+				   gs_logical_operation_t lop,
+				   const gx_device_color * texture));
+
+#endif /* gdevmrop_INCLUDED */
diff --git a/pstoraster/gdevnfwd.c b/pstoraster/gdevnfwd.c
new file mode 100644
index 000000000..e8cbb0fd9
--- /dev/null
+++ b/pstoraster/gdevnfwd.c
@@ -0,0 +1,797 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Null and forwarding device implementation */
+#include "gx.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+
+/* ---------------- Forwarding procedures ---------------- */
+
+/* Fill in NULL procedures in a forwarding device procedure record. */
+/* We don't fill in: open_device, close_device, or the lowest-level */
+/* drawing operations. */
+void
+gx_device_forward_fill_in_procs(register gx_device_forward * dev)
+{
+    gx_device_set_procs((gx_device *) dev);
+    /* NOT open_device */
+    fill_dev_proc(dev, get_initial_matrix, gx_forward_get_initial_matrix);
+    fill_dev_proc(dev, sync_output, gx_forward_sync_output);
+    fill_dev_proc(dev, output_page, gx_forward_output_page);
+    /* NOT close_device */
+    fill_dev_proc(dev, map_rgb_color, gx_forward_map_rgb_color);
+    fill_dev_proc(dev, map_color_rgb, gx_forward_map_color_rgb);
+    /* NOT fill_rectangle */
+    /* NOT tile_rectangle */
+    /* NOT copy_mono */
+    /* NOT copy_color */
+    /* NOT draw_line (OBSOLETE) */
+    fill_dev_proc(dev, get_bits, gx_forward_get_bits);
+    fill_dev_proc(dev, get_params, gx_forward_get_params);
+    fill_dev_proc(dev, put_params, gx_forward_put_params);
+    fill_dev_proc(dev, map_cmyk_color, gx_forward_map_cmyk_color);
+    fill_dev_proc(dev, get_xfont_procs, gx_forward_get_xfont_procs);
+    fill_dev_proc(dev, get_xfont_device, gx_forward_get_xfont_device);
+    fill_dev_proc(dev, map_rgb_alpha_color, gx_forward_map_rgb_alpha_color);
+    fill_dev_proc(dev, get_page_device, gx_forward_get_page_device);
+    fill_dev_proc(dev, get_alpha_bits, gx_forward_get_alpha_bits);
+    /* NOT copy_alpha */
+    fill_dev_proc(dev, get_band, gx_forward_get_band);
+    fill_dev_proc(dev, copy_rop, gx_forward_copy_rop);
+    fill_dev_proc(dev, fill_path, gx_forward_fill_path);
+    fill_dev_proc(dev, stroke_path, gx_forward_stroke_path);
+    fill_dev_proc(dev, fill_mask, gx_forward_fill_mask);
+    fill_dev_proc(dev, fill_trapezoid, gx_forward_fill_trapezoid);
+    fill_dev_proc(dev, fill_parallelogram, gx_forward_fill_parallelogram);
+    fill_dev_proc(dev, fill_triangle, gx_forward_fill_triangle);
+    fill_dev_proc(dev, draw_thin_line, gx_forward_draw_thin_line);
+    fill_dev_proc(dev, begin_image, gx_forward_begin_image);
+    /* NOT image_data (OBSOLETE) */
+    /* NOT end_image (OBSOLETE) */
+    /* NOT strip_tile_rectangle */
+    fill_dev_proc(dev, strip_copy_rop, gx_forward_strip_copy_rop);
+    fill_dev_proc(dev, get_clipping_box, gx_forward_get_clipping_box);
+    fill_dev_proc(dev, begin_typed_image, gx_forward_begin_typed_image);
+    fill_dev_proc(dev, get_bits_rectangle, gx_forward_get_bits_rectangle);
+    fill_dev_proc(dev, map_color_rgb_alpha, gx_forward_map_color_rgb_alpha);
+    fill_dev_proc(dev, create_compositor, gx_no_create_compositor);
+    fill_dev_proc(dev, get_hardware_params, gx_forward_get_hardware_params);
+    fill_dev_proc(dev, text_begin, gx_forward_text_begin);
+    gx_device_fill_in_procs((gx_device *) dev);
+}
+
+/* Forward the color mapping procedures from a device to its target. */
+void
+gx_device_forward_color_procs(gx_device_forward * dev)
+{
+    set_dev_proc(dev, map_rgb_color, gx_forward_map_rgb_color);
+    set_dev_proc(dev, map_color_rgb, gx_forward_map_color_rgb);
+    set_dev_proc(dev, map_cmyk_color, gx_forward_map_cmyk_color);
+    set_dev_proc(dev, map_rgb_alpha_color, gx_forward_map_rgb_alpha_color);
+    set_dev_proc(dev, map_color_rgb_alpha, gx_forward_map_color_rgb_alpha);
+}
+
+void
+gx_forward_get_initial_matrix(gx_device * dev, gs_matrix * pmat)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    if (tdev == 0)
+	gx_default_get_initial_matrix(dev, pmat);
+    else
+	(*dev_proc(tdev, get_initial_matrix)) (tdev, pmat);
+}
+
+int
+gx_forward_sync_output(gx_device * dev)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_sync_output(dev) :
+	    (*dev_proc(tdev, sync_output)) (tdev));
+}
+
+int
+gx_forward_output_page(gx_device * dev, int num_copies, int flush)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_output_page(dev, num_copies, flush) :
+	    (*dev_proc(tdev, output_page)) (tdev, num_copies, flush));
+}
+
+gx_color_index
+gx_forward_map_rgb_color(gx_device * dev, gx_color_value r, gx_color_value g,
+			 gx_color_value b)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_map_rgb_color(dev, r, g, b) :
+	    (*dev_proc(tdev, map_rgb_color)) (tdev, r, g, b));
+}
+
+int
+gx_forward_map_color_rgb(gx_device * dev, gx_color_index color,
+			 gx_color_value prgb[3])
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_map_color_rgb(dev, color, prgb) :
+	    (*dev_proc(tdev, map_color_rgb)) (tdev, color, prgb));
+}
+
+int
+gx_forward_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			  gx_color_index color)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    if (tdev == 0)
+	return_error(gs_error_Fatal);
+    return (*dev_proc(tdev, fill_rectangle)) (tdev, x, y, w, h, color);
+}
+
+int
+gx_forward_tile_rectangle(gx_device * dev, const gx_tile_bitmap * tile,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1,
+			  int px, int py)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_tile_rectangle((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_tile_rectangle;
+    else
+	proc = dev_proc(tdev, tile_rectangle);
+    return (*proc) (tdev, tile, x, y, w, h, color0, color1, px, py);
+}
+
+int
+gx_forward_copy_mono(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+		     gx_color_index zero, gx_color_index one)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    if (tdev == 0)
+	return_error(gs_error_Fatal);
+    return (*dev_proc(tdev, copy_mono))
+	(tdev, data, dx, raster, id, x, y, w, h, zero, one);
+}
+
+int
+gx_forward_copy_color(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    if (tdev == 0)
+	return_error(gs_error_Fatal);
+    return (*dev_proc(tdev, copy_color))
+	(tdev, data, dx, raster, id, x, y, w, h);
+}
+
+int
+gx_forward_get_bits(gx_device * dev, int y, byte * data, byte ** actual_data)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_get_bits(dev, y, data, actual_data) :
+	    (*dev_proc(tdev, get_bits)) (tdev, y, data, actual_data));
+}
+
+int
+gx_forward_get_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_get_params(dev, plist) :
+	    (*dev_proc(tdev, get_params)) (tdev, plist));
+}
+
+int
+gx_forward_put_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_put_params(dev, plist) :
+	    (*dev_proc(tdev, put_params)) (tdev, plist));
+}
+
+gx_color_index
+gx_forward_map_cmyk_color(gx_device * dev, gx_color_value c, gx_color_value m,
+			  gx_color_value y, gx_color_value k)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_map_cmyk_color(dev, c, m, y, k) :
+	    (*dev_proc(tdev, map_cmyk_color)) (tdev, c, m, y, k));
+}
+
+const gx_xfont_procs *
+gx_forward_get_xfont_procs(gx_device * dev)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_get_xfont_procs(dev) :
+	    (*dev_proc(tdev, get_xfont_procs)) (tdev));
+}
+
+gx_device *
+gx_forward_get_xfont_device(gx_device * dev)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_get_xfont_device(dev) :
+	    (*dev_proc(tdev, get_xfont_device)) (tdev));
+}
+
+gx_color_index
+gx_forward_map_rgb_alpha_color(gx_device * dev, gx_color_value r,
+		   gx_color_value g, gx_color_value b, gx_color_value alpha)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ?
+	    gx_default_map_rgb_alpha_color(dev, r, g, b, alpha) :
+	    (*dev_proc(tdev, map_rgb_alpha_color)) (tdev, r, g, b, alpha));
+}
+
+gx_device *
+gx_forward_get_page_device(gx_device * dev)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+    gx_device *pdev;
+
+    if (tdev == 0)
+	return gx_default_get_page_device(dev);
+    pdev = (*dev_proc(tdev, get_page_device)) (tdev);
+    return (pdev == tdev ? dev : pdev);
+}
+
+int
+gx_forward_get_alpha_bits(gx_device * dev, graphics_object_type type)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ?
+	    gx_default_get_alpha_bits(dev, type) :
+	    (*dev_proc(tdev, get_alpha_bits)) (tdev, type));
+}
+
+int
+gx_forward_get_band(gx_device * dev, int y, int *band_start)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ?
+	    gx_default_get_band(dev, y, band_start) :
+	    (*dev_proc(tdev, get_band)) (tdev, y, band_start));
+}
+
+int
+gx_forward_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+		    const gx_color_index * scolors,
+	     const gx_tile_bitmap * texture, const gx_color_index * tcolors,
+		    int x, int y, int width, int height,
+		    int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_copy_rop((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_copy_rop;
+    else
+	proc = dev_proc(tdev, copy_rop);
+    return (*proc) (tdev, sdata, sourcex, sraster, id, scolors,
+		    texture, tcolors, x, y, width, height,
+		    phase_x, phase_y, lop);
+}
+
+int
+gx_forward_fill_path(gx_device * dev, const gs_imager_state * pis,
+		     gx_path * ppath, const gx_fill_params * params,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_fill_path((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_fill_path;
+    else
+	proc = dev_proc(tdev, fill_path);
+    return (*proc) (tdev, pis, ppath, params, pdcolor, pcpath);
+}
+
+int
+gx_forward_stroke_path(gx_device * dev, const gs_imager_state * pis,
+		       gx_path * ppath, const gx_stroke_params * params,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_stroke_path((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_stroke_path;
+    else
+	proc = dev_proc(tdev, stroke_path);
+    return (*proc) (tdev, pis, ppath, params, pdcolor, pcpath);
+}
+
+int
+gx_forward_fill_mask(gx_device * dev,
+		     const byte * data, int dx, int raster, gx_bitmap_id id,
+		     int x, int y, int w, int h,
+		     const gx_drawing_color * pdcolor, int depth,
+		     gs_logical_operation_t lop, const gx_clip_path * pcpath)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_fill_mask((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_fill_mask;
+    else
+	proc = dev_proc(tdev, fill_mask);
+    return (*proc) (tdev, data, dx, raster, id, x, y, w, h, pdcolor, depth,
+		    lop, pcpath);
+}
+
+int
+gx_forward_fill_trapezoid(gx_device * dev,
+		    const gs_fixed_edge * left, const gs_fixed_edge * right,
+			  fixed ybot, fixed ytop, bool swap_axes,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_fill_trapezoid((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_fill_trapezoid;
+    else
+	proc = dev_proc(tdev, fill_trapezoid);
+    return (*proc) (tdev, left, right, ybot, ytop, swap_axes, pdcolor, lop);
+}
+
+int
+gx_forward_fill_parallelogram(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_fill_parallelogram((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_fill_parallelogram;
+    else
+	proc = dev_proc(tdev, fill_parallelogram);
+    return (*proc) (tdev, px, py, ax, ay, bx, by, pdcolor, lop);
+}
+
+int
+gx_forward_fill_triangle(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_fill_triangle((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_fill_triangle;
+    else
+	proc = dev_proc(tdev, fill_triangle);
+    return (*proc) (tdev, px, py, ax, ay, bx, by, pdcolor, lop);
+}
+
+int
+gx_forward_draw_thin_line(gx_device * dev,
+			  fixed fx0, fixed fy0, fixed fx1, fixed fy1,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_draw_thin_line((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_draw_thin_line;
+    else
+	proc = dev_proc(tdev, draw_thin_line);
+    return (*proc) (tdev, fx0, fy0, fx1, fy1, pdcolor, lop);
+}
+
+int
+gx_forward_begin_image(gx_device * dev,
+		       const gs_imager_state * pis, const gs_image_t * pim,
+		       gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		       gs_memory_t * memory, gx_image_enum_common_t ** pinfo)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_begin_image((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_begin_image;
+    else
+	proc = dev_proc(tdev, begin_image);
+    return (*proc) (tdev, pis, pim, format, prect, pdcolor, pcpath,
+		    memory, pinfo);
+}
+
+int
+gx_forward_strip_tile_rectangle(gx_device * dev, const gx_strip_bitmap * tiles,
+   int x, int y, int w, int h, gx_color_index color0, gx_color_index color1,
+				int px, int py)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_strip_tile_rectangle((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_strip_tile_rectangle;
+    else
+	proc = dev_proc(tdev, strip_tile_rectangle);
+    return (*proc) (tdev, tiles, x, y, w, h, color0, color1, px, py);
+}
+
+int
+gx_forward_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+			  const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			  int x, int y, int width, int height,
+		       int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_strip_copy_rop((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_strip_copy_rop;
+    else
+	proc = dev_proc(tdev, strip_copy_rop);
+    return (*proc) (tdev, sdata, sourcex, sraster, id, scolors,
+		    textures, tcolors, x, y, width, height,
+		    phase_x, phase_y, lop);
+}
+
+void
+gx_forward_get_clipping_box(gx_device * dev, gs_fixed_rect * pbox)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    if (tdev == 0)
+	gx_default_get_clipping_box(dev, pbox);
+    else
+	(*dev_proc(tdev, get_clipping_box)) (tdev, pbox);
+}
+
+int
+gx_forward_begin_typed_image(gx_device * dev,
+			const gs_imager_state * pis, const gs_matrix * pmat,
+		   const gs_image_common_t * pim, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		      gs_memory_t * memory, gx_image_enum_common_t ** pinfo)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_begin_typed_image((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_begin_typed_image;
+    else
+	proc = dev_proc(tdev, begin_typed_image);
+    return (*proc) (tdev, pis, pmat, pim, prect, pdcolor, pcpath,
+		    memory, pinfo);
+}
+
+int
+gx_forward_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_get_bits_rectangle((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_get_bits_rectangle;
+    else
+	proc = dev_proc(tdev, get_bits_rectangle);
+    return (*proc) (tdev, prect, params, unread);
+}
+
+int
+gx_forward_map_color_rgb_alpha(gx_device * dev, gx_color_index color,
+			       gx_color_value prgba[4])
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_map_color_rgb_alpha(dev, color, prgba) :
+	    (*dev_proc(tdev, map_color_rgb_alpha)) (tdev, color, prgba));
+}
+
+int
+gx_forward_get_hardware_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    return (tdev == 0 ? gx_default_get_hardware_params(dev, plist) :
+	    (*dev_proc(tdev, get_hardware_params)) (tdev, plist));
+}
+
+int
+gx_forward_text_begin(gx_device * dev, gs_imager_state * pis,
+		      const gs_text_params_t * text, const gs_font * font,
+gx_path * path, const gx_device_color * pdcolor, const gx_clip_path * pcpath,
+		      gs_memory_t * memory, gs_text_enum_t ** ppenum)
+{
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+
+    dev_proc_text_begin((*proc));
+
+    if (tdev == 0)
+	tdev = dev, proc = gx_default_text_begin;
+    else
+	proc = dev_proc(tdev, text_begin);
+    return (*proc) (tdev, pis, text, font, path, pdcolor, pcpath,
+		    memory, ppenum);
+}
+
+/* ---------------- The null device(s) ---------------- */
+
+private dev_proc_fill_rectangle(null_fill_rectangle);
+private dev_proc_copy_mono(null_copy_mono);
+private dev_proc_copy_color(null_copy_color);
+private dev_proc_put_params(null_put_params);
+private dev_proc_copy_alpha(null_copy_alpha);
+private dev_proc_copy_rop(null_copy_rop);
+private dev_proc_fill_path(null_fill_path);
+private dev_proc_stroke_path(null_stroke_path);
+private dev_proc_fill_trapezoid(null_fill_trapezoid);
+private dev_proc_fill_parallelogram(null_fill_parallelogram);
+private dev_proc_fill_triangle(null_fill_triangle);
+private dev_proc_draw_thin_line(null_draw_thin_line);
+
+/* We would like to have null implementations of begin/data/end image, */
+/* but we can't do this, because image_data must keep track of the */
+/* Y position so it can return 1 when done. */
+private dev_proc_strip_copy_rop(null_strip_copy_rop);
+
+#define null_procs(get_page_device) {\
+	gx_default_open_device,\
+	gx_forward_get_initial_matrix,\
+	gx_default_sync_output,\
+	gx_default_output_page,\
+	gx_default_close_device,\
+	gx_forward_map_rgb_color,\
+	gx_forward_map_color_rgb,\
+	null_fill_rectangle,\
+	gx_default_tile_rectangle,\
+	null_copy_mono,\
+	null_copy_color,\
+	gx_default_draw_line,\
+	gx_default_get_bits,\
+	gx_forward_get_params,\
+	null_put_params,\
+	gx_forward_map_cmyk_color,\
+	gx_forward_get_xfont_procs,\
+	gx_forward_get_xfont_device,\
+	gx_forward_map_rgb_alpha_color,\
+	get_page_device,	/* differs */\
+	gx_forward_get_alpha_bits,\
+	null_copy_alpha,\
+	gx_forward_get_band,\
+	null_copy_rop,\
+	null_fill_path,\
+	null_stroke_path,\
+	gx_default_fill_mask,\
+	null_fill_trapezoid,\
+	null_fill_parallelogram,\
+	null_fill_triangle,\
+	null_draw_thin_line,\
+	gx_default_begin_image,\
+	gx_default_image_data,\
+	gx_default_end_image,\
+	gx_default_strip_tile_rectangle,\
+	null_strip_copy_rop,\
+	gx_default_get_clipping_box,\
+	gx_default_begin_typed_image,\
+	gx_default_get_bits_rectangle,\
+	gx_forward_map_color_rgb_alpha,\
+	gx_non_imaging_create_compositor,\
+	gx_forward_get_hardware_params,\
+	gx_default_text_begin\
+}
+
+const gx_device_null gs_null_device =
+{
+    std_device_std_body_type_open(gx_device_null, 0, "null", &st_device_null,
+				  0, 0, 72, 72),
+    null_procs(gx_default_get_page_device /* not a page device */ ),
+    0				/* target */
+};
+
+const gx_device_null gs_nullpage_device =
+{
+std_device_std_body_type_open(gx_device_null, 0, "nullpage", &st_device_null,
+			      72 /*nominal */ , 72 /*nominal */ , 72, 72),
+    null_procs(gx_page_device_get_page_device /* a page device */ ),
+    0				/* target */
+};
+
+private int
+null_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+		    gx_color_index color)
+{
+    return 0;
+}
+private int
+null_copy_mono(gx_device * dev, const byte * data,
+	    int dx, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+	       gx_color_index zero, gx_color_index one)
+{
+    return 0;
+}
+private int
+null_copy_color(gx_device * dev, const byte * data,
+		int data_x, int raster, gx_bitmap_id id,
+		int x, int y, int width, int height)
+{
+    return 0;
+}
+private int
+null_put_params(gx_device * dev, gs_param_list * plist)
+{
+    /*
+     * If this is not a page device, we must defeat attempts to reset
+     * the size; otherwise this is equivalent to gx_forward_put_params.
+     */
+    gx_device_forward * const fdev = (gx_device_forward *)dev;
+    gx_device *tdev = fdev->target;
+    int code;
+
+    if (tdev != 0)
+	return (*dev_proc(tdev, put_params)) (tdev, plist);
+    code = gx_default_put_params(dev, plist);
+    if (code < 0 || (*dev_proc(dev, get_page_device)) (dev) == dev)
+	return code;
+    dev->width = dev->height = 0;
+    return code;
+}
+private int
+null_copy_alpha(gx_device * dev, const byte * data, int data_x,
+	   int raster, gx_bitmap_id id, int x, int y, int width, int height,
+		gx_color_index color, int depth)
+{
+    return 0;
+}
+private int
+null_copy_rop(gx_device * dev,
+	      const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+	      const gx_color_index * scolors,
+	      const gx_tile_bitmap * texture, const gx_color_index * tcolors,
+	      int x, int y, int width, int height,
+	      int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return 0;
+}
+private int
+null_fill_path(gx_device * dev, const gs_imager_state * pis,
+	       gx_path * ppath, const gx_fill_params * params,
+	       const gx_drawing_color * pdcolor, const gx_clip_path * pcpath)
+{
+    return 0;
+}
+private int
+null_stroke_path(gx_device * dev, const gs_imager_state * pis,
+		 gx_path * ppath, const gx_stroke_params * params,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath)
+{
+    return 0;
+}
+private int
+null_fill_trapezoid(gx_device * dev,
+		    const gs_fixed_edge * left, const gs_fixed_edge * right,
+		    fixed ybot, fixed ytop, bool swap_axes,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    return 0;
+}
+private int
+null_fill_parallelogram(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    return 0;
+}
+private int
+null_fill_triangle(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    return 0;
+}
+private int
+null_draw_thin_line(gx_device * dev,
+		    fixed fx0, fixed fy0, fixed fx1, fixed fy1,
+	       const gx_drawing_color * pdcolor, gs_logical_operation_t lop)
+{
+    return 0;
+}
+private int
+null_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+		    const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+		    int x, int y, int width, int height,
+		    int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return 0;
+}
diff --git a/pstoraster/gdevpccm.h b/pstoraster/gdevpccm.h
new file mode 100644
index 000000000..1322594d2
--- /dev/null
+++ b/pstoraster/gdevpccm.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 1992 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h */
+
+#ifndef gdevpccm_INCLUDED
+#  define gdevpccm_INCLUDED
+
+/* Color mapping routines for EGA/VGA-style color. */
+dev_proc_map_rgb_color(pc_4bit_map_rgb_color);
+dev_proc_map_color_rgb(pc_4bit_map_color_rgb);
+#define dci_pc_4bit { 3, 4, 3, 2, 4, 3 }
+
+/* Color mapping routines for 8-bit color (with a fixed palette). */
+dev_proc_map_rgb_color(pc_8bit_map_rgb_color);
+dev_proc_map_color_rgb(pc_8bit_map_color_rgb);
+#define dci_pc_8bit { 3, 8, 6, 6, 7, 7 }
+
+/* Write the palette on a file. */
+int pc_write_palette(P3(gx_device *, uint, FILE *));
+
+#endif /* gdevpccm_INCLUDED */
diff --git a/pstoraster/gdevpcfb.h b/pstoraster/gdevpcfb.h
new file mode 100644
index 000000000..21bde1bb9
--- /dev/null
+++ b/pstoraster/gdevpcfb.h
@@ -0,0 +1,209 @@
+/* Copyright (C) 1989, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* IBM PC frame buffer definitions */
+
+#ifndef gdevpcfb_INCLUDED
+#  define gdevpcfb_INCLUDED
+
+#ifdef __MSDOS__
+#  include "dos_.h"
+typedef union REGS registers;
+
+#endif
+
+/* For testing, the 16-color display may be defined as a monochrome, */
+/* 8-color, or 16-color device. */
+#define ega_bits_of_color 2	/* 0, 1, or 2 */
+#define rgb_max ega_bits_of_color
+
+/* Define the short (integer) version of "transparent" color. */
+/* ****** Depends on gx_no_color_index being all 1's. ***** */
+#define no_color ((int)gx_no_color_index)
+
+/* Procedures */
+
+	/* See gxdevice.h for the definitions of the procedures. */
+
+dev_proc_open_device(ega_open);
+dev_proc_close_device(ega_close);
+dev_proc_fill_rectangle(ega_fill_rectangle);
+dev_proc_tile_rectangle(ega_tile_rectangle);
+dev_proc_copy_mono(ega_copy_mono);
+dev_proc_copy_color(ega_copy_color);
+dev_proc_get_bits(ega_get_bits);
+
+/* Structure for saving state of BIOS variables. */
+typedef struct pcfb_bios_state_s {
+    int display_mode;		/* must be first, see pcfb_save_state */
+    /* in gdevpcfb.c */
+    byte text_page;
+    uint text_cursor_mode;
+    uint text_font;
+    byte text_attribute;
+    byte border_color;
+} pcfb_bios_state;
+
+/* Procedures used by gdevpcfb.c */
+void pcfb_set_signals(P1(gx_device *));
+void pcfb_get_state(P1(pcfb_bios_state *));
+void pcfb_set_mode(P1(int));
+void pcfb_set_state(P1(const pcfb_bios_state *));
+
+/* Types for frame buffer pointers. */
+typedef byte *fb_ptr;
+typedef volatile byte *volatile_fb_ptr;
+
+/* Define the nominal page height in inches. */
+#ifdef A4
+#  define PAGE_HEIGHT_INCHES 11.69
+#else
+#  define PAGE_HEIGHT_INCHES 11.0
+#endif
+
+/* The device descriptor */
+typedef struct gx_device_ega_s gx_device_ega;
+struct gx_device_ega_s {
+    gx_device_common;
+    int raster;			/* frame buffer bytes per line */
+    int fb_seg_mult;		/* multiplier for segment part */
+    /* of frame buffer pointer */
+    int fb_byte_mult;		/* multiplier for word part ditto */
+#define mk_fb_ptr(x, y)\
+  (fb_dev->fb_byte_mult == 0 ?\
+   (fb_ptr)MK_PTR(regen + (y) * (fb_dev->fb_seg_mult), (x) >> 3) :\
+   (fb_ptr)MK_PTR(regen + ((y) >> 4) * (fb_dev->fb_seg_mult),\
+		 (((y) & 15) * fb_dev->fb_byte_mult) + ((x) >> 3)))
+    int video_mode;
+};
+
+/* Macro for creating instances */
+/* The initial parameters map an appropriate fraction of */
+/* the screen to a full-page coordinate space. */
+/* This may or may not be what is desired! */
+#define ega_device(dev_name, procs, fb_raster, screen_height, aspect_ratio, video_mode)\
+   {	std_device_dci_body(gx_device_ega, &procs, dev_name,\
+	  fb_raster * 8, screen_height,\
+	  (screen_height * (aspect_ratio)) / PAGE_HEIGHT_INCHES,	/* x dpi */\
+	  screen_height / PAGE_HEIGHT_INCHES,		/* y dpi */\
+	  (rgb_max ? 3 : 1),	/* num_components */\
+	  4,			/* depth */\
+	  (rgb_max ? rgb_max : 1),	/* max_gray */\
+	  rgb_max,\
+	  (rgb_max ? rgb_max + 1 : 2),	/* dither_grays */\
+	  (rgb_max ? rgb_max + 1 : 0)	/* dither_colors */\
+	),\
+	 { 0 },			/* std_procs */\
+	fb_raster,\
+	(fb_raster & 15 ? fb_raster : fb_raster >> 4),\
+	(fb_raster & 15 ? fb_raster : 0),\
+	video_mode\
+   }
+
+/* Define the device port and register numbers, and the regen map base */
+#define seq_addr 0x3c4
+#define s_map 2
+#define set_s_map(mask) outport2(seq_addr, s_map, mask)
+#define graph_addr 0x3ce
+#define g_const 0		/* set/reset */
+#define set_g_const(color) outport2(graph_addr, g_const, color)
+#define g_const_map 1		/* enable set/reset */
+#define set_g_const_map(map) outport2(graph_addr, g_const_map, map)
+#define g_function 3
+#  define gf_WRITE 0
+#  define gf_AND 8
+#  define gf_OR 0x10
+#  define gf_XOR 0x18
+#define set_g_function(func) outport2(graph_addr, g_function, func)
+#define g_read_plane 4
+#define set_g_read_plane(plane) outport2(graph_addr, g_read_plane, plane)
+#define g_mode 5
+#  define gm_DATA 0
+#  define gm_FILL 2
+#define set_g_mode(mode) outport2(graph_addr, g_mode, mode)
+#define g_mask 8
+#define set_g_mask(mask) outport2(graph_addr, g_mask, mask)
+#define select_g_mask() outportb(graph_addr, g_mask)
+#define out_g_mask(mask) outportb(graph_addr+1, mask)
+#define regen 0xa000
+
+/* Define access to the frame buffer and the video registers */
+/* according to whether we are on a DOS system or a Unix system. */
+
+#if defined(M_UNIX) || defined(M_XENIX) || defined(UNIX) || defined(SYSV) || defined(__linux__)
+
+		/* SCO Unix/Xenix, AT&T SVR4, or Linux. */
+
+#undef outportb
+
+#if defined(__GNUC__)
+	/* Inline assembly version for gcc */
+	/* Under SCO, requires installing the gnu assembler as "as" */
+static inline void 
+outportb(int port, int data)
+{
+    __asm__ volatile ("outb %0,%1"::
+		      "a"      ((unsigned char)data),
+		      "d"      ((unsigned short)port));
+}
+static inline void 
+outport2(int port, int index, int data)
+{
+    __asm__ volatile ("movb %0,%%ah; movb %1,%%al; outw %%ax,%2"::
+		      "qmi"    ((unsigned char)data),
+		      "qmi"    ((unsigned char)index),
+		      "d"      ((unsigned short)port):
+		      "eax");
+}
+#else
+void outportb(P2(uint, byte));
+void outport2(P3(uint, byte, byte));
+
+#endif
+
+/* Redefine mk_fb_ptr -- no segmented addressing. */
+
+#undef mk_fb_ptr
+extern fb_ptr fb_addr;
+
+#define mk_fb_ptr(x, y)	(fb_addr + (y) * (fb_dev->raster) + ((x) >> 3))
+
+#else
+
+		/* MS-DOS */
+
+/* outportb is defined in dos_.h */
+#define outport2(port, index, data)\
+  (outportb(port, index), outportb((port)+1, data))
+
+#endif
+
+/* Fetch and discard a byte.  Prevent the compiler from */
+/* optimizing this away. */
+static unsigned char byte_discard_;
+
+#define byte_discard(expr) byte_discard_ = (expr)
+
+#endif /* gdevpcfb_INCLUDED */
diff --git a/pstoraster/gdevpcl.h b/pstoraster/gdevpcl.h
new file mode 100644
index 000000000..b6954f159
--- /dev/null
+++ b/pstoraster/gdevpcl.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 1992, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gdevprn.h */
+
+#ifndef gdevpcl_INCLUDED
+#  define gdevpcl_INCLUDED
+
+/* Define the PCL paper size codes. */
+#define PAPER_SIZE_LETTER 2
+#define PAPER_SIZE_LEGAL 3
+#define PAPER_SIZE_A4 26
+#define PAPER_SIZE_A3 27
+#define PAPER_SIZE_A2 28
+#define PAPER_SIZE_A1 29
+#define PAPER_SIZE_A0 30
+
+/* Get the paper size code, based on width and height. */
+int gdev_pcl_paper_size(P1(gx_device *));
+
+/* Color mapping procedures for 3-bit-per-pixel RGB printers */
+dev_proc_map_rgb_color(gdev_pcl_3bit_map_rgb_color);
+dev_proc_map_color_rgb(gdev_pcl_3bit_map_color_rgb);
+
+/* Row compression routines */
+typedef ulong word;
+int gdev_pcl_mode2compress(P3(const word * row, const word * end_row, byte * compressed)),
+      gdev_pcl_mode3compress(P4(int bytecount, const byte * current, byte * previous, byte * compressed));
+
+#endif /* gdevpcl_INCLUDED */
diff --git a/pstoraster/gdevpipe.c b/pstoraster/gdevpipe.c
new file mode 100644
index 000000000..03909db6a
--- /dev/null
+++ b/pstoraster/gdevpipe.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* %pipe% IODevice */
+#include "errno_.h"
+#include "pipe_.h"
+#include "stdio_.h"
+#include "string_.h"
+#include "gserror.h"
+#include "gstypes.h"
+#include "gsmemory.h"		/* for gxiodev.h */
+#include "stream.h"
+#include "gxiodev.h"
+
+/* The pipe IODevice */
+private iodev_proc_fopen(pipe_fopen);
+private iodev_proc_fclose(pipe_fclose);
+const gx_io_device gs_iodev_pipe =
+{
+    "%pipe%", "FileSystem",
+    {iodev_no_init, iodev_no_open_device,
+     NULL /*iodev_os_open_file */ , pipe_fopen, pipe_fclose,
+     iodev_no_delete_file, iodev_no_rename_file, iodev_no_file_status,
+     iodev_no_enumerate_files, NULL, NULL,
+     iodev_no_get_params, iodev_no_put_params
+    }
+};
+
+/* The file device procedures */
+
+private int
+pipe_fopen(gx_io_device * iodev, const char *fname, const char *access,
+	   FILE ** pfile, char *rfname, uint rnamelen)
+{				/* The OSF/1 1.3 library doesn't include const in the */
+    /* prototype for popen.... */
+    errno = 0;
+    *pfile = popen((char *)fname, (char *)access);
+    if (*pfile == NULL)
+	return_error(gs_fopen_errno_to_code(errno));
+    if (rfname != NULL)
+	strcpy(rfname, fname);
+    return 0;
+}
+
+private int
+pipe_fclose(gx_io_device * iodev, FILE * file)
+{
+    pclose(file);
+    return 0;
+}
diff --git a/pstoraster/gdevpm.h b/pstoraster/gdevpm.h
new file mode 100644
index 000000000..f1f7b3cd8
--- /dev/null
+++ b/pstoraster/gdevpm.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1992, 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Defines common to gdevpm.c, gspmdrv.c and PM GSview */
+
+#ifndef gdevpm_INCLUDED
+#  define gdevpm_INCLUDED
+
+#define SHARED_NAME "\\SHAREMEM\\%s"
+#define SYNC_NAME   "\\SEM32\\SYNC_%s"
+#define NEXT_NAME   "\\SEM32\\NEXT_%s"
+#define MUTEX_NAME  "\\SEM32\\MUTEX_%s"
+#define QUEUE_NAME  "\\QUEUES\\%s"
+
+#define GS_UPDATING	1
+#define GS_SYNC		2
+#define GS_PAGE		3
+#define GS_CLOSE	4
+#define GS_ERROR	5
+#define GS_PALCHANGE	6
+#define GS_BEGIN	7
+#define GS_END		8
+
+#endif /* gdevpm_INCLUDED */
diff --git a/pstoraster/gdevprn.c b/pstoraster/gdevprn.c
new file mode 100644
index 000000000..77a6e5bde
--- /dev/null
+++ b/pstoraster/gdevprn.c
@@ -0,0 +1,837 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1990, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic printer driver support */
+#include "ctype_.h"
+#include "gdevprn.h"
+#include "gp.h"
+#include "gsparam.h"
+#include "gxclio.h"
+#include <stdlib.h>
+
+/* ---------------- Standard device procedures ---------------- */
+
+/* Define the standard printer procedure vector. */
+const gx_device_procs prn_std_procs =
+    prn_procs(gdev_prn_open, gdev_prn_output_page, gdev_prn_close);
+
+/* Forward references */
+int gdev_prn_maybe_reallocate_memory(P4(gx_device_printer *pdev, 
+					gdev_prn_space_params *old_space,
+					int old_width, int old_height));
+
+/* ------ Open/close ------ */
+
+/* Open a generic printer device. */
+/* Specific devices may wish to extend this. */
+int
+gdev_prn_open(gx_device * pdev)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    int code;
+
+    ppdev->file = NULL;
+    code = gdev_prn_allocate_memory(pdev, NULL, 0, 0);
+    if (code < 0)
+	return code;
+    if (ppdev->OpenOutputFile)
+	code = gdev_prn_open_printer(pdev, 1);
+    return code;
+}
+
+/* Generic closing for the printer device. */
+/* Specific devices may wish to extend this. */
+int
+gdev_prn_close(gx_device * pdev)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+
+    gdev_prn_free_memory(pdev);
+    if (ppdev->file != NULL) {
+	if (ppdev->file != stdout)
+	    gp_close_printer(ppdev->file, ppdev->fname);
+	ppdev->file = NULL;
+    }
+    return 0;
+}
+
+private int		/* returns 0 ok, else -ve error cde */
+gdev_prn_setup_as_command_list(gx_device *pdev, gs_memory_t *buffer_memory,
+			       byte **the_memory,
+			       const gdev_prn_space_params *space_params,
+			       bool bufferSpace_is_exact)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    uint space;
+    int code;
+    gx_device_clist *const pclist_dev = (gx_device_clist *)pdev;
+    gx_device_clist_common * const pcldev = &pclist_dev->common;
+    bool reallocate = *the_memory != 0;
+    byte *base;
+
+    /* Try to allocate based simply on param-requested buffer size */
+    for ( space = space_params->BufferSpace; ; ) {
+	base = (reallocate ?
+		gs_resize_object(buffer_memory, *the_memory, space,
+				 "cmd list buffer") :
+		gs_alloc_bytes(buffer_memory, space,
+			       "cmd list buffer"));
+	if (base != 0)
+	    break;
+	if (bufferSpace_is_exact || (space >>= 1) < PRN_MIN_BUFFER_SPACE)
+	    break;
+    }
+    if (base == 0)
+	return_error(gs_error_VMerror);
+    *the_memory = base;
+
+    /* Try opening the command list, to see if we allocated */
+    /* enough buffer space. */
+open_c:
+    ppdev->buf = base;
+    ppdev->buffer_space = space;
+    clist_init_params(pclist_dev, base, space, pdev,
+		      ppdev->printer_procs.make_buffer_device,
+		      space_params->band, ppdev->is_async_renderer,
+		      (ppdev->bandlist_memory == 0 ? &gs_memory_default :
+		       ppdev->bandlist_memory),
+		      ppdev->free_up_bandlist_memory,
+		      ppdev->clist_disable_mask);
+    code = (*gs_clist_device_procs.open_device)( (gx_device *)pcldev );
+    if (code < 0) {
+	/* If there wasn't enough room, and we haven't */
+	/* already shrunk the buffer, try enlarging it. */
+	if ( code == gs_error_limitcheck &&
+	     space >= space_params->BufferSpace &&
+	     !bufferSpace_is_exact
+	     ) {
+	    space <<= 1;
+	    if (reallocate) {
+		base = gs_resize_object(buffer_memory, 
+					*the_memory, space,
+					"cmd list buf(retry open)");
+		if (base != 0)
+		    *the_memory = base;
+	    } else {
+		gs_free_object(buffer_memory, base,
+			       "cmd list buf(retry open)");
+		*the_memory = base =
+		    gs_alloc_bytes(buffer_memory, space,
+				   "cmd list buf(retry open)");
+	    }
+	    ppdev->buf = *the_memory;
+	    if (base != 0)
+		goto open_c;
+	}
+	/* Failure. */
+	if (!reallocate) {
+	    gs_free_object(buffer_memory, base, "cmd list buf");
+	    ppdev->buffer_space = 0;
+	    *the_memory = 0;
+	}
+    }
+    return code;
+}
+
+private bool	/* ret true if device was cmd list, else false */
+gdev_prn_tear_down(gx_device *pdev, byte **the_memory)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    gx_device_memory * const pmemdev = (gx_device_memory *)pdev;
+    gx_device_clist *const pclist_dev = (gx_device_clist *)pdev;
+    gx_device_clist_common * const pcldev = &pclist_dev->common;
+    bool is_command_list;
+
+    if (ppdev->buffer_space != 0) {
+	/* Close cmd list device & point to the storage */
+	(*gs_clist_device_procs.close_device)( (gx_device *)pcldev );
+	*the_memory = ppdev->buf;
+	ppdev->buf = 0;
+	ppdev->buffer_space = 0;
+	is_command_list = true;
+    } else {
+	/* point at the device bitmap, no need to close mem dev */
+	*the_memory = pmemdev->base;
+	pmemdev->base = 0;
+	is_command_list = false;
+    }
+
+    /* Reset device proc vector to default */
+    if (ppdev->orig_procs.open_device != 0)
+	pdev->procs = ppdev->orig_procs;
+    ppdev->orig_procs.open_device = 0;	/* prevent uninit'd restore of procs */
+
+    return is_command_list;
+}
+
+private int
+gdev_prn_allocate(gx_device *pdev, gdev_prn_space_params *new_space_params,
+		  int new_width, int new_height, bool reallocate)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    gx_device_memory * const pmemdev = (gx_device_memory *)pdev;
+    byte *the_memory = 0;
+    gdev_prn_space_params save_params;
+    int save_width, save_height;
+    bool is_command_list = false;
+    bool save_is_command_list;
+    int ecode = 0;
+    int pass;
+    gs_memory_t *buffer_memory =
+	(ppdev->buffer_memory == 0 ? &gs_memory_default :
+	 ppdev->buffer_memory);
+
+    /* If reallocate, find allocated memory & tear down buffer device */
+    if (reallocate)
+	save_is_command_list = gdev_prn_tear_down(pdev, &the_memory);
+
+    /* Re/allocate memory */
+    ppdev->orig_procs = pdev->procs;
+    for ( pass = 1; pass <= (reallocate ? 2 : 1); ++pass ) {
+	ulong mem_space;
+	byte *base = 0;
+	bool bufferSpace_is_default = false;
+	gdev_prn_space_params space_params;
+
+	if (reallocate)
+	    switch (pass)
+	        {
+		case 1:
+		    /* Setup device to get reallocated */
+		    save_params = ppdev->space_params;
+		    ppdev->space_params = *new_space_params;
+		    save_width = ppdev->width;
+		    ppdev->width = new_width;
+		    save_height = ppdev->height;
+		    ppdev->height = new_height;
+		    break;
+		case 2:	/* only comes here if reallocate */
+		    /* Restore device to previous contents */
+		    ppdev->space_params = save_params;
+		    ppdev->width = save_width;
+		    ppdev->height = save_height;
+		    break;
+	        }
+
+	/* Init clist/mem device-specific fields */
+	memset(ppdev->skip, 0, sizeof(ppdev->skip));
+	mem_space = gdev_mem_bitmap_size(pmemdev);
+
+	/* Compute desired space params: never use the space_params as-is. */
+	/* Rather, give the dev-specific driver a chance to adjust them. */
+	space_params = ppdev->space_params;
+	space_params.BufferSpace = 0;
+	(*ppdev->printer_procs.get_space_params)(ppdev, &space_params);
+	if (ppdev->is_async_renderer && space_params.band.BandBufferSpace != 0)
+	    space_params.BufferSpace = space_params.band.BandBufferSpace;
+	else if (space_params.BufferSpace == 0) {
+	    if (space_params.band.BandBufferSpace > 0)
+	        space_params.BufferSpace = space_params.band.BandBufferSpace;
+	    else {
+		space_params.BufferSpace = ppdev->space_params.BufferSpace;
+		bufferSpace_is_default = true;
+	    }
+	}
+
+	/* Determine if we can use a full bitmap buffer, or have to use banding */
+	if (pass > 1)
+	    is_command_list = save_is_command_list;
+	else {
+	    is_command_list = space_params.banding_type == BandingAlways ||
+		mem_space >= space_params.MaxBitmap ||
+		mem_space != (uint)mem_space;	    /* too big to allocate */
+	}
+	if (!is_command_list) {
+	    /* Try to allocate memory for full memory buffer */
+	    base = reallocate
+		? gs_resize_object( buffer_memory, the_memory,
+				    (uint)mem_space, "printer buffer" )
+		: gs_alloc_bytes( buffer_memory, (uint)mem_space,
+				  "printer_buffer" );
+	    if (base == 0)
+		is_command_list = true;
+	    else
+		the_memory = base;
+	}
+	if (!is_command_list && pass == 1 && PRN_MIN_MEMORY_LEFT != 0
+	    && buffer_memory == &gs_memory_default) {
+	    /* before using full memory buffer, ensure enough working mem left */
+	    byte * left = gs_alloc_bytes( buffer_memory,
+					  PRN_MIN_MEMORY_LEFT, "printer mem left");
+	    if (left == 0)
+		is_command_list = true;
+	    else
+		gs_free_object(buffer_memory, left, "printer mem left");
+	}
+
+	if (is_command_list) {
+	    /* Buffer the image in a command list. */
+	    /* Release the buffer if we allocated it. */
+	    int code;
+	    if (!reallocate) {
+		gs_free_object(buffer_memory, the_memory,
+			       "printer buffer(open)");
+		the_memory = 0;
+	    }
+	    if (space_params.banding_type == BandingNever) {
+		ecode = gs_note_error(gs_error_VMerror);
+		continue;
+	    }
+	    code = gdev_prn_setup_as_command_list(pdev, buffer_memory,
+						  &the_memory, &space_params,
+						  !bufferSpace_is_default);
+	    if (ecode == 0)
+		ecode = code;
+
+	    if ( code >= 0 || (reallocate && pass > 1) )
+		ppdev->procs = gs_clist_device_procs;
+	} else {
+	    /* Render entirely in memory. */
+	    int code;
+
+	    ppdev->buffer_space = 0;
+	    code = (*ppdev->printer_procs.make_buffer_device)
+		(pmemdev, pdev, buffer_memory, false);
+	    if (code < 0) {	/* Catastrophic. Shouldn't ever happen */
+		gs_free_object(buffer_memory, base, "printer buffer");
+		pdev->procs = ppdev->orig_procs;
+		ppdev->orig_procs.open_device = 0;	/* prevent uninit'd restore of procs */
+		return_error(code);
+	    }
+	    pmemdev->base = base;
+	}
+	if (ecode == 0)
+	    break;
+    }
+
+    if (ecode >= 0 || reallocate) {	/* even if realloc failed */
+	/* Synthesize the procedure vector. */
+	/* Rendering operations come from the memory or clist device, */
+	/* non-rendering come from the printer device. */
+#define COPY_PROC(p) set_dev_proc(ppdev, p, ppdev->orig_procs.p)
+	COPY_PROC(get_initial_matrix);
+	COPY_PROC(output_page);
+	COPY_PROC(close_device);
+	COPY_PROC(map_rgb_color);
+	COPY_PROC(map_color_rgb);
+	COPY_PROC(get_params);
+	COPY_PROC(put_params);
+	COPY_PROC(map_cmyk_color);
+	COPY_PROC(get_xfont_procs);
+	COPY_PROC(get_xfont_device);
+	COPY_PROC(map_rgb_alpha_color);
+	/* All printers are page devices, even if they didn't use the */
+	/* standard macros for generating their procedure vectors. */
+	set_dev_proc(ppdev, get_page_device, gx_page_device_get_page_device);
+	COPY_PROC(get_alpha_bits);
+	COPY_PROC(get_clipping_box);
+	COPY_PROC(map_color_rgb_alpha);
+	COPY_PROC(get_hardware_params);
+#undef COPY_PROC
+	/* If using a command list, already opened the device. */
+	if (is_command_list)
+	    return ecode;
+	else
+	    return (*dev_proc(pdev, open_device))(pdev);
+    } else {
+	pdev->procs = ppdev->orig_procs;
+	ppdev->orig_procs.open_device = 0;	/* prevent uninit'd restore of procs */
+	return ecode;
+    }
+}
+
+int
+gdev_prn_allocate_memory(gx_device *pdev,
+			 gdev_prn_space_params *new_space_params,
+			 int new_width, int new_height)
+{
+    return gdev_prn_allocate(pdev, new_space_params,
+			     new_width, new_height, false);
+}
+
+int
+gdev_prn_reallocate_memory(gx_device *pdev,
+			 gdev_prn_space_params *new_space_params,
+			 int new_width, int new_height)
+{
+    return gdev_prn_allocate(pdev, new_space_params,
+			     new_width, new_height, true);
+}
+
+int
+gdev_prn_free_memory(gx_device *pdev)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    byte *the_memory = 0;
+    gs_memory_t *buffer_memory =
+	(ppdev->buffer_memory == 0 ? &gs_memory_default :
+	 ppdev->buffer_memory);
+
+    gdev_prn_tear_down(pdev, &the_memory);
+    gs_free_object(buffer_memory, the_memory, "gdev_prn_free_memory");
+    return 0;
+}
+
+/* ------------- Stubs related only to async rendering ------- */
+
+int	/* rets 0 ok, -ve error if couldn't start thread */
+gx_default_start_render_thread(gdev_prn_start_render_params *params)
+{
+    return gs_error_unknownerror;
+}
+
+/* Open the renderer's copy of a device. */
+/* This is overriden in gdevprna.c */
+int
+gx_default_open_render_device(gx_device_printer *pdev)
+{
+    return gs_error_unknownerror;
+}
+
+/* Close the renderer's copy of a device. */
+int
+gx_default_close_render_device(gx_device_printer *pdev)
+{
+    return gdev_prn_close( (gx_device *)pdev );
+}
+
+/* ------ Get/put parameters ------ */
+
+/* Get parameters.  Printer devices add several more parameters */
+/* to the default set. */
+int
+gdev_prn_get_params(gx_device * pdev, gs_param_list * plist)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    int code = gx_default_get_params(pdev, plist);
+
+    if (code < 0 ||
+	(ppdev->Duplex_set >= 0 &&
+	 (code = (ppdev->Duplex_set ?
+		  param_write_bool(plist, "Duplex", &ppdev->Duplex) :
+		  param_write_null(plist, "Duplex"))) < 0)
+	)
+	return code;
+
+    return 0;
+}
+
+/* Put parameters. */
+int
+gdev_prn_put_params(gx_device * pdev, gs_param_list * plist)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    int ecode = 0;
+    int code;
+    const char *param_name;
+    bool is_open = pdev->is_open;
+    bool oof = ppdev->OpenOutputFile;
+    bool rpp = ppdev->ReopenPerPage;
+    bool duplex;
+    int duplex_set = -1;
+    int width = pdev->width;
+    int height = pdev->height;
+    gdev_prn_space_params sp, save_sp;
+    gs_param_dict mdict;
+
+    sp = ppdev->space_params;
+    save_sp = sp;
+
+    switch (code = param_read_bool(plist, (param_name = "OpenOutputFile"), &oof)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+
+    switch (code = param_read_bool(plist, (param_name = "ReopenPerPage"), &rpp)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+
+    if (ppdev->Duplex_set >= 0)	/* i.e., Duplex is supported */
+	switch (code = param_read_bool(plist, (param_name = "Duplex"),
+				       &duplex)) {
+	    case 0:
+		duplex_set = 1;
+		break;
+	    default:
+		if ((code = param_read_null(plist, param_name)) == 0) {
+		    duplex_set = 0;
+		    break;
+		}
+		ecode = code;
+		param_signal_error(plist, param_name, ecode);
+	    case 1:
+		;
+	}
+#define CHECK_PARAM_CASES(member, bad, label)\
+    case 0:\
+	if ((sp.params_are_read_only ? sp.member != save_sp.member : bad))\
+	    ecode = gs_error_rangecheck;\
+	else\
+	    break;\
+	goto label;\
+    default:\
+	ecode = code;\
+label:\
+	param_signal_error(plist, param_name, ecode);\
+    case 1:\
+	break
+
+    /* Read InputAttributes and OutputAttributes just for the type */
+    /* check and to indicate that they aren't undefined. */
+#define read_media(pname)\
+	switch ( code = param_begin_read_dict(plist, (param_name = pname), &mdict, true) )\
+	  {\
+	  case 0:\
+		param_end_read_dict(plist, pname, &mdict);\
+		break;\
+	  default:\
+		ecode = code;\
+		param_signal_error(plist, param_name, ecode);\
+	  case 1:\
+		;\
+	  }
+
+    read_media("InputAttributes");
+    read_media("OutputAttributes");
+
+    if (ecode < 0)
+	return ecode;
+    /* Prevent gx_default_put_params from closing the printer. */
+    pdev->is_open = false;
+    code = gx_default_put_params(pdev, plist);
+    pdev->is_open = is_open;
+    if (code < 0)
+	return code;
+
+    ppdev->OpenOutputFile = oof;
+    ppdev->ReopenPerPage = rpp;
+    if (duplex_set >= 0) {
+	ppdev->Duplex = duplex;
+	ppdev->Duplex_set = duplex_set;
+    }
+    ppdev->space_params = sp;
+
+    /* If necessary, free and reallocate the printer memory. */
+    /* Formerly, would not reallocate if device is not open: */
+    /* we had to patch this out (see News for 5.50). */
+    code = gdev_prn_maybe_reallocate_memory(ppdev, &save_sp, width, height);
+    if (code < 0)
+	return code;
+
+    return 0;
+}
+
+/* ------ Others ------ */
+
+#define TILE_SIZE	256
+
+/* Default routine to override current space_params. */
+void
+gdev_prn_default_get_space_params(const gx_device_printer *printer_dev,
+				  gdev_prn_space_params *space_params)
+{
+  int	cache_size;			/* Size of tile cache in bytes */
+  char	*cache_env,			/* Cache size environment variable */
+	cache_units[255];		/* Cache size units */
+
+
+  if ((cache_env = getenv("RIP_MAX_CACHE")) != NULL)
+  {
+    switch (sscanf(cache_env, "%d%254s", &cache_size, cache_units))
+    {
+      case 0 :
+          cache_size = 8 * 1024 * 1024;
+	  break;
+      case 1 :
+          cache_size *= 4 * TILE_SIZE * TILE_SIZE;
+	  break;
+      case 2 :
+          if (tolower(cache_units[0]) == 'g')
+	    cache_size *= 1024 * 1024 * 1024;
+          else if (tolower(cache_units[0]) == 'm')
+	    cache_size *= 1024 * 1024;
+	  else if (tolower(cache_units[0]) == 'k')
+	    cache_size *= 1024;
+	  else if (tolower(cache_units[0]) == 't')
+	    cache_size *= 4 * TILE_SIZE * TILE_SIZE;
+	  break;
+    }
+  }
+  else
+    cache_size = 8 * 1024 * 1024;
+
+  space_params->MaxBitmap   = cache_size;
+  space_params->BufferSpace = cache_size / 10;
+}
+
+/* Generic routine to send the page to the printer. */
+int	/* 0 ok, -ve error, or 1 if successfully upgraded to buffer_page */
+gdev_prn_output_page(gx_device * pdev, int num_copies, int flush)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+    int outcode = 0, closecode = 0, errcode = 0, endcode;
+    bool upgraded_copypage = false;
+
+    if (num_copies > 0 || !flush) {
+	int code = gdev_prn_open_printer(pdev, 1);
+
+	if (code < 0)
+	    return code;
+
+	/* If copypage request, try to do it using buffer_page */
+	if ( !flush &&
+	     (*ppdev->printer_procs.buffer_page)
+	     (ppdev, ppdev->file, num_copies) >= 0
+	     ) {
+	    upgraded_copypage = true;
+	    flush = true;
+	}
+	else if (num_copies > 0)
+	    /* Print the accumulated page description. */
+	    outcode =
+		(*ppdev->printer_procs.print_page_copies)(ppdev, ppdev->file,
+							  num_copies);
+	if (ppdev->file)
+	{
+	  fflush(ppdev->file);
+	  errcode =
+	      (ferror(ppdev->file) ? gs_note_error(gs_error_ioerror) : 0);
+        }
+	else
+	  errcode = 0;
+
+	if (!upgraded_copypage)
+	    closecode = gdev_prn_close_printer(pdev);
+    }
+    endcode = (ppdev->buffer_space ? clist_finish_page(pdev, flush) : 0);
+
+    if (outcode < 0)
+	return outcode;
+    if (errcode < 0)
+	return errcode;
+    if (closecode < 0)
+	return closecode;
+    if (endcode < 0)
+	return endcode;
+    return (upgraded_copypage ? 1 : 0);
+}
+
+/* Print multiple copies of a page by calling print_page multiple times. */
+int
+gx_default_print_page_copies(gx_device_printer * pdev, FILE * prn_stream,
+			     int num_copies)
+{
+    int i = num_copies;
+    int code = 0;
+
+    while (code >= 0 && i-- > 0)
+	code = (*pdev->printer_procs.print_page) (pdev, prn_stream);
+    return code;
+}
+
+/*
+ * Buffer a (partial) rasterized page & optionally print result multiple times.
+ * The default implementation returns error, since the driver needs to override
+ * this (in procedure vector) in configurations where this call may occur.
+ */
+int
+gx_default_buffer_page(gx_device_printer *pdev, FILE *prn_stream,
+		       int num_copies)
+{
+    return gs_error_unknownerror;
+}
+
+/* ---------------- Driver services ---------------- */
+
+/* Return the number of scan lines that should actually be passed */
+/* to the device. */
+int
+gdev_prn_print_scan_lines(gx_device * pdev)
+{
+    int height = pdev->height;
+    gs_matrix imat;
+    float yscale;
+    int top, bottom, offset, end;
+
+    (*dev_proc(pdev, get_initial_matrix)) (pdev, &imat);
+    yscale = imat.yy * 72.0;	/* Y dpi, may be negative */
+    top = (int)(dev_t_margin(pdev) * yscale);
+    bottom = (int)(dev_b_margin(pdev) * yscale);
+    offset = (int)(dev_y_offset(pdev) * yscale);
+    if (yscale < 0) {		/* Y=0 is top of page */
+	end = -offset + height + bottom;
+    } else {			/* Y=0 is bottom of page */
+	end = offset + height - top;
+    }
+    return min(height, end);
+}
+
+/* Open the current page for printing. */
+int
+gdev_prn_open_printer_positionable(gx_device *pdev, bool binary_mode,
+				   bool positionable)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+
+    if (ppdev->file != 0) {
+	ppdev->file_is_new = false;
+	return 0;
+    }
+    {
+	int code = gx_device_open_output_file(pdev, ppdev->fname,
+					      binary_mode, positionable,
+					      &ppdev->file);
+	if (code < 0)
+	    return code;
+    }
+    ppdev->file_is_new = true;
+    return 0;
+}
+int
+gdev_prn_open_printer(gx_device *pdev, bool binary_mode)
+{
+    return gdev_prn_open_printer_positionable(pdev, binary_mode, false);
+}
+
+/* Copy a scan line from the buffer to the printer. */
+int
+gdev_prn_get_bits(gx_device_printer * pdev, int y, byte * str, byte ** actual_data)
+{
+    int code = (*dev_proc(pdev, get_bits)) ((gx_device *) pdev, y, str, actual_data);
+    uint line_size = gdev_prn_raster(pdev);
+    int last_bits = -(pdev->width * pdev->color_info.depth) & 7;
+
+    if (code < 0)
+	return code;
+    if (last_bits != 0) {
+	byte *dest = (actual_data != 0 ? *actual_data : str);
+
+	dest[line_size - 1] &= 0xff << last_bits;
+    }
+    return 0;
+}
+/* Copy scan lines to a buffer.  Return the number of scan lines, */
+/* or <0 if error. */
+int
+gdev_prn_copy_scan_lines(gx_device_printer * pdev, int y, byte * str, uint size)
+{
+    uint line_size = gdev_prn_raster(pdev);
+    int count = size / line_size;
+    int i;
+    byte *dest = str;
+
+    count = min(count, pdev->height - y);
+    for (i = 0; i < count; i++, dest += line_size) {
+	int code = gdev_prn_get_bits(pdev, y + i, dest, NULL);
+
+	if (code < 0)
+	    return code;
+    }
+    return count;
+}
+
+/* Like get_bits, but accepts initial raster contents */
+int
+gdev_prn_get_overlay_bits(gx_device_printer *pdev, int y, int lineCount,
+			  byte *data)
+{
+    if (pdev->buffer_space) {
+	/* Command lists have built-in support for this function */
+	return clist_get_overlay_bits(pdev, y, lineCount, data);
+    } else {
+	/* Memory devices cannot support this function. */
+	return_error(gs_error_unknownerror);
+    }
+}
+
+/* Find out where the band buffer for a given line is going to fall on the */
+/* next call to get_bits. */
+int	/* rets # lines from y till end of buffer, or -ve error code */
+gdev_prn_locate_overlay_buffer(gx_device_printer *pdev, int y, byte **data)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+
+    if (ppdev->buffer_space) {
+	  /* Command lists have built-in support for this function */
+	  return clist_locate_overlay_buffer(pdev, y, data);
+    } else {
+	/* Memory devices cannot support this function. */
+	return_error(gs_error_unknownerror);
+    }
+}
+
+/* Close the current page. */
+int
+gdev_prn_close_printer(gx_device * pdev)
+{
+    gx_device_printer * const ppdev = (gx_device_printer *)pdev;
+
+    if (strchr(ppdev->fname, '%') /* file per page */ ||
+	ppdev->ReopenPerPage	/* close and reopen for each page */
+	) {
+	gp_close_printer(ppdev->file, ppdev->fname);
+	ppdev->file = NULL;
+    }
+    return 0;
+}
+
+/* If necessary, free and reallocate the printer memory after changing params */
+int
+gdev_prn_maybe_reallocate_memory(gx_device_printer *prdev, 
+				 gdev_prn_space_params *old_sp,
+				 int old_width, int old_height)
+{
+    int code = 0;
+    gx_device *const pdev = (gx_device *)prdev;
+	
+    if (prdev->is_open &&
+	(memcmp(&prdev->space_params, old_sp, sizeof(*old_sp)) != 0 ||
+	 prdev->width != old_width || prdev->height != old_height )
+	) {
+	int new_width = prdev->width;
+	int new_height = prdev->height;
+	gdev_prn_space_params new_sp = prdev->space_params;
+
+	prdev->width = old_width;
+	prdev->height = old_height;
+	prdev->space_params = *old_sp;
+	code = gdev_prn_reallocate_memory(pdev, &new_sp,
+					  new_width, new_height);
+	/* If this fails, device should be usable w/old params, but */
+	/* band files may not be open. */
+    }
+    return code;
+}
diff --git a/pstoraster/gdevprn.h b/pstoraster/gdevprn.h
new file mode 100644
index 000000000..0b3dc84ba
--- /dev/null
+++ b/pstoraster/gdevprn.h
@@ -0,0 +1,560 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common header file for memory-buffered printers */
+
+#ifndef gdevprn_INCLUDED
+#  define gdevprn_INCLUDED
+
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gp.h"			/* for gp_file_name_sizeof */
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gxdevice.h */
+#include "gsutil.h"		/* for memflip8x8 */
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxcldev.h"
+#include "gsparam.h"
+
+/*
+ * Define the parameters for the printer rendering method.
+ * If the entire bitmap fits in PRN_MAX_BITMAP, and there is at least
+ * PRN_MIN_MEMORY_LEFT memory left after allocating it, render in RAM,
+ * otherwise use a command list with a size of PRN_BUFFER_SPACE.
+ * (These are parameters that can be changed by a client program.)
+ */
+/* Define parameters for machines with little dinky RAMs.... */
+#define PRN_MAX_BITMAP_SMALL 32000
+#define PRN_BUFFER_SPACE_SMALL 25000
+#define PRN_MIN_MEMORY_LEFT_SMALL 32000
+/* Define parameters for machines with great big hulking RAMs.... */
+#define PRN_MAX_BITMAP_LARGE 10000000L
+#define PRN_BUFFER_SPACE_LARGE 1000000L
+#define PRN_MIN_MEMORY_LEFT_LARGE 500000L
+/* Define parameters valid on all machines. */
+#define PRN_MIN_BUFFER_SPACE 10000	/* give up if less than this */
+/* Now define conditional parameters. */
+#if arch_small_memory
+#  define PRN_MAX_BITMAP PRN_MAX_BITMAP_SMALL
+#  define PRN_BUFFER_SPACE PRN_BUFFER_SPACE_SMALL
+#  define PRN_MIN_MEMORY_LEFT PRN_MIN_MEMORY_LEFT_SMALL
+#else
+/****** These should really be conditional on gs_debug_c('.') if
+ ****** DEBUG is defined, but they're used in static initializers,
+ ****** so we can't do it.
+ ******/
+#  if 0				/****** #  ifdef DEBUG ***** */
+#    define PRN_MAX_BITMAP\
+       (gs_debug_c('.') ? PRN_MAX_BITMAP_SMALL : PRN_MAX_BITMAP_LARGE)
+#    define PRN_BUFFER_SPACE\
+       (gs_debug_c('.') ? PRN_BUFFER_SPACE_SMALL : PRN_BUFFER_SPACE_LARGE)
+#    define PRN_MIN_MEMORY_LEFT\
+       (gs_debug_c('.') ? PRN_MIN_MEMORY_LEFT_SMALL : PRN_MIN_MEMORY_LEFT_LARGE)
+#  else
+#    define PRN_MAX_BITMAP PRN_MAX_BITMAP_LARGE
+#    define PRN_BUFFER_SPACE PRN_BUFFER_SPACE_LARGE
+#    define PRN_MIN_MEMORY_LEFT PRN_MIN_MEMORY_LEFT_LARGE
+#  endif
+#endif
+
+/* Define the abstract type for a printer device. */
+#ifndef gx_device_printer_DEFINED
+#  define gx_device_printer_DEFINED
+typedef struct gx_device_printer_s gx_device_printer;
+#endif
+
+/* Define the abstract type for some band device procedures' arguments. */
+typedef struct gdev_prn_start_render_params_s gdev_prn_start_render_params;
+
+/* Define the abstract type for a page queue for async rendering. */
+#ifndef gx_page_queue_DEFINED
+#  define gx_page_queue_DEFINED
+typedef struct gx_page_queue_s gx_page_queue;
+#endif
+
+/* Define the abstract type for parameters describing buffer space. */
+#ifndef gdev_prn_space_params_DEFINED
+#  define gdev_prn_space_params_DEFINED
+typedef struct gdev_prn_space_params_s gdev_prn_space_params;
+#endif
+
+/*
+ * Define the special procedures for band devices.
+ */
+typedef struct gx_printer_device_procs_s {
+
+    /*
+     * Print the page on the output file.  Required only for devices
+     * where output_page is gdev_prn_output_page; ignored for other
+     * devices.
+     */
+
+#define prn_dev_proc_print_page(proc)\
+  int proc(P2(gx_device_printer *, FILE *))
+    prn_dev_proc_print_page((*print_page));
+/* BACKWARD COMPATIBILITY */
+#define dev_proc_print_page(proc) prn_dev_proc_print_page(proc)
+
+    /* Print the page on the output file, with a given # of copies. */
+
+#define prn_dev_proc_print_page_copies(proc)\
+  int proc(P3(gx_device_printer *, FILE *, int))
+    prn_dev_proc_print_page_copies((*print_page_copies));
+/* BACKWARD COMPATIBILITY */
+#define dev_proc_print_page_copies(proc) prn_dev_proc_print_page_copies(proc)
+
+    /* Initialize the memory device for a page or a band. */
+    /* (The macro definition is in gxdevcli.h.) */
+
+    dev_proc_make_buffer_device((*make_buffer_device));
+
+    /*
+     * Compute effective space params. These results effectively override
+     * the space_params in the device, but does not replace them; that is to
+     * say that computed space params are temps used for computation.
+     * Procedure must fill in only those space_params that it wishes to
+     * override, using curr width, height, margins, etc.
+     *
+     * Caller is gdevprn.open & gdevprn.put_params, calls driver or
+     * default.
+     */
+
+#define prn_dev_proc_get_space_params(proc)\
+  void proc(P2(const gx_device_printer *, gdev_prn_space_params *))
+    prn_dev_proc_get_space_params((*get_space_params));
+
+    /*
+     * Only for gx_device_printer devices that overlap interpreting and
+     * rasterizing. Since there are 2 instances of the device (1 for writing
+     * the cmd list & 1 for rasterizing it), and each device is associated
+     * with an different thread, this function is called to start the
+     * rasterizer's thread. Once started, the rasterizer thread must call
+     * down to gdev_prn_asnyc_render_thread, which will only return after
+     * device closes.
+     *
+     * Caller is gdevprna.open, calls driver implementation or default.
+     */
+
+#define prn_dev_proc_start_render_thread(proc)\
+  int proc(P1(gdev_prn_start_render_params *))
+    prn_dev_proc_start_render_thread((*start_render_thread));
+
+    /*
+     * Only for gx_device_printer devices that overlap interpreting and
+     * rasterizing. Since there are 2 instances of the device (1 for writing
+     * the cmd list & 1 for rasterizing it), these fns are called to
+     * open/close the rasterizer's instance, once the writer's instance has
+     * been created & init'd. These procs must cascade down to
+     * gdev_prn_async_render_open/close.
+     *
+     * Caller is gdevprna, calls driver implementation or default.
+     */
+
+#define prn_dev_proc_open_render_device(proc)\
+  int proc(P1(gx_device_printer *))
+    prn_dev_proc_open_render_device((*open_render_device));
+
+#define prn_dev_proc_close_render_device(proc)\
+  int proc(P1(gx_device_printer *))
+    prn_dev_proc_close_render_device((*close_render_device));
+
+    /*
+     * Buffer a page on the output device. A page may or may not have been
+     * fully rendered, but the rasterizer needs to realize the page to free
+     * up resources or support copypage. Printing a page may involve zero or
+     * more buffer_pages. All buffer_page output is overlaid in the buffer
+     * until a terminating print_page or print_page_copies clears the
+     * buffer. Note that, after the first buffer_page, the driver must use
+     * the get_overlay_bits function instead of get_bits. The difference is
+     * that get_overlay_bits requires the caller to supply the same buffered
+     * bitmap that was computed as a result of a previous buffer_page, so
+     * that get_overlay_bits can add further marks to the existing buffered
+     * image. NB that output must be accumulated in buffer even if
+     * num_copies == 0.
+     *
+     * Caller is expected to be gdevprn, calls driver implementation or
+     * default.
+     */
+
+#define prn_dev_proc_buffer_page(proc)\
+  int proc(P3(gx_device_printer *, FILE *, int))
+    prn_dev_proc_buffer_page((*buffer_page));
+
+    /*
+     * Transform a given set of bits by marking it per the current page
+     * description. This is a different version of get_bits, where this
+     * procedure accepts a bitmap and merely adds further marks, without
+     * clearing the bits.
+     *
+     * Driver implementation is expected to be the caller.
+     */
+
+#define prn_dev_proc_get_overlay_bits(proc)\
+  int proc(P4(gx_device_printer *, int, int, byte *))
+    prn_dev_proc_get_overlay_bits((*get_overlay_bits));
+
+    /*
+     * Find out where the band buffer for a given line is going to fall on
+     * the next call to get_bits. This is an alternative to get_overlay_bits
+     * in cases where the client doesn't own a suitably formatted buffer to
+     * deposit bits into. When using this function, do a
+     * locate_overlay_buffer, copy the background data into the returned
+     * buffer, then do get_bits to get the transformed data.  IMPORTANT: the
+     * locate_overlay_buffer for a specific range of lines must immediately
+     * be followed by one or more get_bits for the same line range with no
+     * other intervening driver calls. If this condition is violated,
+     * results are undefined.
+     */
+
+#define prn_dev_proc_locate_overlay_buffer(proc)\
+  int proc(P3(gx_device_printer *, int, byte **))
+    prn_dev_proc_locate_overlay_buffer((*locate_overlay_buffer));
+
+} gx_printer_device_procs;
+
+/* ------ Printer device definition ------ */
+
+/* Structure for generic printer devices. */
+/* This must be preceded by gx_device_common. */
+/* Printer devices are actually a union of a memory device */
+/* and a clist device, plus some additional state. */
+#define prn_fname_sizeof gp_file_name_sizeof
+typedef enum {
+    BandingAuto = 0,
+    BandingAlways,
+    BandingNever
+} gdev_prn_banding_type;
+struct gdev_prn_space_params_s {
+    long MaxBitmap;		/* max size of non-buffered bitmap */
+    long BufferSpace;		/* space to use for buffer */
+    gx_band_params band;	/* see gxclist.h */
+    bool params_are_read_only;	/* true if put_params may not modify this struct */
+    gdev_prn_banding_type banding_type;	/* used to force banding or bitmap */
+};
+
+#define gx_prn_device_common\
+	byte skip[max(sizeof(gx_device_memory), sizeof(gx_device_clist)) -\
+		  sizeof(gx_device) + sizeof(double) /* padding */];\
+	gx_printer_device_procs printer_procs;\
+		/* ------ Device parameters that must be set ------ */\
+		/* ------ before calling the device open routine. ------ */\
+	gdev_prn_space_params space_params;\
+	char fname[prn_fname_sizeof];	/* OutputFile */\
+		/* ------ Other device parameters ------ */\
+	bool OpenOutputFile;\
+	bool ReopenPerPage;\
+	bool Duplex;\
+	  int Duplex_set;		/* -1 = not supported */\
+		/* ------ End of parameters ------ */\
+	bool file_is_new;		/* true iff file just opened */\
+	FILE *file;			/* output file */\
+	long buffer_space;	/* amount of space for clist buffer, */\
+					/* 0 means not using clist */\
+	byte *buf;			/* buffer for rendering */\
+		/* ---- Begin async rendering support --- */\
+	gs_memory_t *buffer_memory;	/* allocator for command list */\
+	gs_memory_t *bandlist_memory;	/* allocator for bandlist files */\
+	proc_free_up_bandlist_memory((*free_up_bandlist_memory));  	/* if nz, proc to free some bandlist memory */\
+	gx_page_queue *page_queue;	/* if <> 0,page queue for gdevprna NOT GC'd */\
+	bool is_async_renderer;		/* device is only the rendering part of async device */\
+	gx_device_printer *async_renderer;	/* in async writer, pointer to async renderer */\
+	uint clist_disable_mask;	/* mask of clist options to disable */\
+		/* ---- End async rendering support --- */\
+	gx_device_procs orig_procs	/* original (std_)procs */
+
+/* The device descriptor */
+struct gx_device_printer_s {
+    gx_device_common;
+    gx_prn_device_common;
+};
+
+/* Define a typedef for the sake of ansi2knr. */
+typedef dev_proc_print_page((*dev_proc_print_page_t));
+
+/* Standard device procedures for printers */
+dev_proc_open_device(gdev_prn_open);
+dev_proc_output_page(gdev_prn_output_page);
+dev_proc_close_device(gdev_prn_close);
+#define gdev_prn_map_rgb_color gx_default_b_w_map_rgb_color
+#define gdev_prn_map_color_rgb gx_default_b_w_map_color_rgb
+dev_proc_get_params(gdev_prn_get_params);
+dev_proc_put_params(gdev_prn_put_params);
+
+/* Default printer-specific procedures */
+prn_dev_proc_get_space_params(gdev_prn_default_get_space_params);
+prn_dev_proc_start_render_thread(gx_default_start_render_thread); /* for async rendering only, see gdevprna.c */
+prn_dev_proc_open_render_device(gx_default_open_render_device);
+prn_dev_proc_close_render_device(gx_default_close_render_device);
+prn_dev_proc_buffer_page(gx_default_buffer_page); /* returns an error */
+prn_dev_proc_get_overlay_bits(gdev_prn_get_overlay_bits);
+prn_dev_proc_locate_overlay_buffer(gdev_prn_locate_overlay_buffer);
+
+/* Macro for generating procedure table */
+#define prn_procs(p_open, p_output_page, p_close)\
+  prn_color_procs(p_open, p_output_page, p_close, gdev_prn_map_rgb_color, gdev_prn_map_color_rgb)
+#define prn_params_procs(p_open, p_output_page, p_close, p_get_params, p_put_params)\
+  prn_color_params_procs(p_open, p_output_page, p_close, gdev_prn_map_rgb_color, gdev_prn_map_color_rgb, p_get_params, p_put_params)
+#define prn_color_procs(p_open, p_output_page, p_close, p_map_rgb_color, p_map_color_rgb)\
+  prn_color_params_procs(p_open, p_output_page, p_close, p_map_rgb_color, p_map_color_rgb, gdev_prn_get_params, gdev_prn_put_params)
+/* See gdev_prn_open for explanation of the NULLs below. */
+#define prn_color_params_procs(p_open, p_output_page, p_close, p_map_rgb_color, p_map_color_rgb, p_get_params, p_put_params) {\
+	p_open,\
+	NULL,	/* get_initial_matrix */\
+	NULL,	/* sync_output */\
+	p_output_page,\
+	p_close,\
+	p_map_rgb_color,\
+	p_map_color_rgb,\
+	NULL,	/* fill_rectangle */\
+	NULL,	/* tile_rectangle */\
+	NULL,	/* copy_mono */\
+	NULL,	/* copy_color */\
+	NULL,	/* draw_line */\
+	NULL,	/* get_bits */\
+	p_get_params,\
+	p_put_params,\
+	NULL,	/* map_cmyk_color */\
+	NULL,	/* get_xfont_procs */\
+	NULL,	/* get_xfont_device */\
+	NULL,	/* map_rgb_alpha_color */\
+	gx_page_device_get_page_device,\
+	NULL,	/* get_alpha_bits */\
+	NULL,	/* copy_alpha */\
+	NULL,	/* get_band */\
+	NULL,	/* copy_rop */\
+	NULL,	/* fill_path */\
+	NULL,	/* stroke_path */\
+	NULL,	/* fill_mask */\
+	NULL,	/* fill_trapezoid */\
+	NULL,	/* fill_parallelogram */\
+	NULL,	/* fill_triangle */\
+	NULL,	/* draw_thin_line */\
+	NULL,	/* begin_image */\
+	NULL,	/* image_data */\
+	NULL,	/* end_image */\
+	NULL,	/* strip_tile_rectangle */\
+	NULL,	/* strip_copy_rop, */\
+	NULL,	/* get_clipping_box */\
+	NULL,	/* begin_typed_image */\
+	NULL,	/* map_color_rgb_alpha */\
+	NULL,	/* create_compositor */\
+	NULL,	/* get_hardware_params */\
+	NULL	/* text_begin */\
+}
+
+/* The standard printer device procedures */
+/* (using gdev_prn_open/output_page/close). */
+extern const gx_device_procs prn_std_procs;
+
+/*
+ * Define macros for generating the device structure,
+ * analogous to the std_device_body macros in gxdevice.h
+ * Note that the macros are broken up so as to be usable for devices that
+ * add further initialized state to the printer device.
+ *
+ * The 'margin' values provided here specify the unimageable region
+ * around the edges of the page (in inches), and the left and top margins
+ * also specify the displacement of the device (0,0) point from the
+ * upper left corner.  We should provide macros that allow specifying
+ * all 6 values independently, but we don't yet.
+ */
+#define prn_device_body_rest_(print_page)\
+	 { 0 },		/* std_procs */\
+	 { 0 },		/* skip */\
+	 { print_page,\
+	   gx_default_print_page_copies,\
+	   gx_default_make_buffer_device,\
+	   gdev_prn_default_get_space_params,\
+	   gx_default_start_render_thread,\
+	   gx_default_open_render_device,\
+	   gx_default_close_render_device,\
+	   gx_default_buffer_page,\
+	   gdev_prn_get_overlay_bits,\
+	   gdev_prn_locate_overlay_buffer\
+	 },\
+	 { PRN_MAX_BITMAP, PRN_BUFFER_SPACE,\
+	     { band_params_initial_values },\
+	   0/*false*/,	/* params_are_read_only */\
+	   BandingAuto	/* banding_type */\
+	 },\
+	 { 0 },		/* fname */\
+	0/*false*/,	/* OpenOutputFile */\
+	0/*false*/,	/* ReopenPerPage */\
+	0/*false*/, -1,	/* Duplex[_set] */\
+	0/*false*/, 0, 0, 0, /* file_is_new ... buf */\
+	0, 0, 0, 0, 0/*false*/, 0, 0, /* buffer_memory ... clist_dis'_mask */\
+	{ 0 }	/* ... orig_procs */
+
+/* The Sun cc compiler won't allow \ within a macro argument list. */
+/* This accounts for the short parameter names here and below. */
+#define prn_device_margins_body(dtype, procs, dname, w10, h10, xdpi, ydpi, lo, to, lm, bm, rm, tm, ncomp, depth, mg, mc, dg, dc, print_page)\
+	std_device_full_body(dtype, &procs, dname,\
+	  (int)((long)(w10) * (xdpi) / 10),\
+	  (int)((long)(h10) * (ydpi) / 10),\
+	  xdpi, ydpi,\
+	  ncomp, depth, mg, mc, dg, dc,\
+	  -(lo) * (xdpi), -(to) * (ydpi),\
+	  (lm) * 72.0, (bm) * 72.0,\
+	  (rm) * 72.0, (tm) * 72.0\
+	),\
+	prn_device_body_rest_(print_page)
+
+#define prn_device_body(dtype, procs, dname, w10, h10, xdpi, ydpi, lm, bm, rm, tm, ncomp, depth, mg, mc, dg, dc, print_page)\
+  prn_device_margins_body(dtype, procs, dname, w10, h10, xdpi, ydpi,\
+    lm, tm, lm, bm, rm, tm, ncomp, depth, mg, mc, dg, dc, print_page)
+
+#define prn_device_body_copies(dtype, procs, dname, w10, h10, xdpi, ydpi, lm, bm, rm, tm, ncomp, depth, mg, mc, dg, dc, print_pages)\
+	std_device_full_body(dtype, &procs, dname,\
+	  (int)((long)w10 * xdpi / 10),\
+	  (int)((long)h10 * ydpi / 10),\
+	  xdpi, ydpi,\
+	  ncomp, depth, mg, mc, dg, dc,\
+	  -(lm) * (xdpi), -(tm) * (ydpi),\
+	  (lm) * 72.0, (bm) * 72.0,\
+	  (rm) * 72.0, (tm) * 72.0\
+	),\
+	 { 0 },		/* std_procs */\
+	 { 0 },		/* skip */\
+	 { NULL,\
+	   print_pages,\
+	   gx_default_make_buffer_device,\
+	   gdev_prn_default_get_space_params,\
+	   gx_default_start_render_thread,\
+	   gx_default_open_render_device,\
+	   gx_default_close_render_device,\
+	   gx_default_buffer_page,\
+	   gdev_prn_get_overlay_bits,\
+	   gdev_prn_locate_overlay_buffer\
+	 },\
+	 { PRN_MAX_BITMAP, PRN_BUFFER_SPACE,\
+	     { band_params_initial_values },\
+	   0/*false*/,	/* params_are_read_only */\
+	   BandingAuto	/* banding_type */\
+	 },\
+	 { 0 },		/* fname */\
+	0/*false*/,	/* OpenOutputFile */\
+	0/*false*/,	/* ReopenPerPage */\
+	0/*false*/, -1,	/* Duplex[_set] */\
+	0/*false*/, 0, 0, 0, /* file_is_new ... buf */\
+	0, 0, 0, 0, 0/*false*/, 0, 0, /* buffer_memory ... clist_dis'_mask */\
+	{ 0 }	/* ... orig_procs */
+#define prn_device_std_margins_body(dtype, procs, dname, w10, h10, xdpi, ydpi, lo, to, lm, bm, rm, tm, color_bits, print_page)\
+	std_device_std_color_full_body(dtype, &procs, dname,\
+	  (int)((long)(w10) * (xdpi) / 10),\
+	  (int)((long)(h10) * (ydpi) / 10),\
+	  xdpi, ydpi, color_bits,\
+	  -(lo) * (xdpi), -(to) * (ydpi),\
+	  (lm) * 72.0, (bm) * 72.0,\
+	  (rm) * 72.0, (tm) * 72.0\
+	),\
+	prn_device_body_rest_(print_page)
+
+#define prn_device_std_body(dtype, procs, dname, w10, h10, xdpi, ydpi, lm, bm, rm, tm, color_bits, print_page)\
+  prn_device_std_margins_body(dtype, procs, dname, w10, h10, xdpi, ydpi,\
+    lm, tm, lm, bm, rm, tm, color_bits, print_page)
+
+#define prn_device_margins(procs, dname, w10, h10, xdpi, ydpi, lo, to, lm, bm, rm, tm, color_bits, print_page)\
+{ prn_device_std_margins_body(gx_device_printer, procs, dname,\
+    w10, h10, xdpi, ydpi, lo, to, lm, bm, rm, tm, color_bits, print_page)\
+}
+
+#define prn_device(procs, dname, w10, h10, xdpi, ydpi, lm, bm, rm, tm, color_bits, print_page)\
+  prn_device_margins(procs, dname, w10, h10, xdpi, ydpi,\
+    lm, tm, lm, bm, rm, tm, color_bits, print_page)\
+
+/* ------ Utilities ------ */
+/* These are defined in gdevprn.c. */
+
+int gdev_prn_open_printer_positionable(P3(gx_device *dev, bool binary_mode,
+					  bool positionable));
+/* open_printer defaults positionable = false */
+int gdev_prn_open_printer(P2(gx_device * dev, bool binary_mode));
+#define gdev_prn_file_is_new(pdev) ((pdev)->file_is_new)
+#define gdev_prn_raster(pdev) gx_device_raster((gx_device *)(pdev), 0)
+int gdev_prn_get_bits(P4(gx_device_printer *, int, byte *, byte **));
+int gdev_prn_copy_scan_lines(P4(gx_device_printer *, int, byte *, uint));
+int gdev_prn_close_printer(P1(gx_device *));
+
+/* The default print_page_copies procedure just calls print_page */
+/* the given number of times. */
+prn_dev_proc_print_page_copies(gx_default_print_page_copies);
+
+/* Define the number of scan lines that should actually be passed */
+/* to the device. */
+int gdev_prn_print_scan_lines(P1(gx_device *));
+
+/* Allocate / reallocate / free printer memory. */
+int gdev_prn_allocate_memory(P4(gx_device *pdev,
+				gdev_prn_space_params *space,
+				int new_width, int new_height));
+int gdev_prn_reallocate_memory(P4(gx_device *pdev,
+				  gdev_prn_space_params *space,
+				  int new_width, int new_height));
+int gdev_prn_free_memory(P1(gx_device *pdev));
+
+/* BACKWARD COMPATIBILITY */
+#define dev_print_scan_lines(dev)\
+  gdev_prn_print_scan_lines((gx_device *)(dev))
+#define gdev_mem_bytes_per_scan_line(dev)\
+  gdev_prn_raster((gx_device_printer *)(dev))
+#define gdev_prn_transpose_8x8(inp,ils,outp,ols)\
+  memflip8x8(inp,ils,outp,ols)
+
+/* ------ Printer device types ------ */
+/**************** THE FOLLOWING CODE IS NOT USED YET. ****************/
+
+#if 0				/**************** VMS linker gets upset *************** */
+extern_st(st_prn_device);
+#endif
+int gdev_prn_initialize(P3(gx_device *, const char *, dev_proc_print_page((*))));
+void gdev_prn_init_color(P4(gx_device *, int, dev_proc_map_rgb_color((*)), dev_proc_map_color_rgb((*))));
+
+#define prn_device_type(dtname, initproc, pageproc)\
+private dev_proc_print_page(pageproc);\
+device_type(dtname, st_prn_device, initproc)
+
+/****** FOLLOWING SHOULD CHECK __PROTOTYPES__ ******/
+#define prn_device_type_mono(dtname, dname, initproc, pageproc)\
+private dev_proc_print_page(pageproc);\
+private int \
+initproc(gx_device *dev)\
+{	return gdev_prn_initialize(dev, dname, pageproc);\
+}\
+device_type(dtname, st_prn_device, initproc)
+
+/****** DITTO ******/
+#define prn_device_type_color(dtname, dname, depth, initproc, pageproc, rcproc, crproc)\
+private dev_proc_print_page(pageproc);\
+private int \
+initproc(gx_device *dev)\
+{	int code = gdev_prn_initialize(dev, dname, pageproc);\
+	gdev_prn_init_color(dev, depth, rcproc, crproc);\
+	return code;\
+}\
+device_type(dtname, st_prn_device, initproc)
+
+#endif /* gdevprn_INCLUDED */
diff --git a/pstoraster/gdevprna.h b/pstoraster/gdevprna.h
new file mode 100644
index 000000000..799a8dc12
--- /dev/null
+++ b/pstoraster/gdevprna.h
@@ -0,0 +1,190 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic asynchronous printer driver support */
+
+/* Initial version 2/1/1998 by John Desrosiers (soho@crl.com) */
+/* 7/28/98 ghost@aladdin.com - Updated to Ghostscript coding standards. */
+
+#ifndef gdevprna_INCLUDED
+# define gdevprna_INCLUDED
+
+# include "gdevprn.h"
+# include "gxsync.h"
+
+/* 
+ * General
+ * -------
+ * Async drivers actually create two separate instances of the device at
+ * the same time. The first (the writer instance) is only used in the
+ * interpretation operation; it feeds rendering commands into the command 
+ * lists. The second device instance is used only for rendering the 
+ * commands placed into the command list by the writer.
+
+ * The writer builds a command list for an entire page; the command list 
+ * is only queued for rendering once a page's command list is completely 
+ * built. The only exception to this rule is when the interpreter runs
+ * out of memory, or when no free command list memory is available. In
+ * such cases, the interpreter queues a "partial page" consisting of all
+ * command list data written so far, plus a command indicating that the
+ * page description is not complete. After queuing the partial page, the
+ * interpereter waits until the rendering process has freed enough
+ * command list memory to enable the interpreter to proceed.
+
+ * To avoid deadlocks when the system runs out of memory, special
+ * memory allocation provisions are made on both the writer and 
+ * renderer sides. On the writer side, enough "reserve" bandlist
+ * memory is set aside at startup time to cover the needs of queuing a
+ * partial page to the renderer. The renderer operates out of a fixed
+ * memory space; that way, it can always complete rendering pages with
+ * the memory it has. To this end, the writer protects the renderer
+ * from consuming unbounded amounts of memory by a) never putting
+ * complex paths into the command list, b) pre-clipping any output
+ * unless the clip path consists of a single rectangle, c) never putting
+ * high-level images into the clip path unless the image in question
+ * meets some very stringent requirements, such as only being rotated by
+ * even multiples of 90 degrees and having source-image data rows which
+ * fit into the command buffer in one piece. These restrictions are what
+ * dictate the "restricted bandlist format."
+
+ * Note that the renderer's instance of the device driver uses the
+ * renderer's memory. That implies that it must also operate in a small, 
+ * fixed amount of memory, and must do all memory allocation using the
+ * memory allocator pointed to by the render device's ->memory member.
+
+ * Opening the Device
+ * ------------------
+ * The writer instance is opened first. This occurs when the system
+ * calls the "standard" open procedure via the device's procedure
+ * vector. The driver must implement the open function, but must call
+ * down to gdev_prn_async_write_open instead of calling down to
+ * gdev_prn_open. Before calling down to gdev_prn_async_write_open, the
+ * driver must:
+ *  a - init several procedure vectors, to wit: start_render_thread,
+ *      buffer_page, print_page_copies,
+ *  b - init space_params.band.BandWidth, space_params.band.BandHeight,
+ *      space_params.BufferSpace (see extended comments in gdevasyn.c
+ *      for details on computing appropriate values).
+ *  c - if it implements those functions, the driver must init the
+ *      procedure vectors for: put_params, get_hardware_params,
+ *      output_page, open_render_device.
+ * Notice that there are two procedure vectors: the usual std_procs, and
+ * the printer-specific printer_procs.
+
+ * Since partial page support imposes extra requirements on drivers,
+ * such support can be disabled by zeroing out (in the async writer open
+ * routine, after calling down to gdev_prn_async_write_open) the 
+ * free_up_bandlist_memory member of the driver structure. Doing so
+ * will, of course, cause interpretation to fail if memory runs out.
+
+ * Once the driver calls down to gdev_prn_async_write_open, the async
+ * support logic will create a second instance of the driver for
+ * rendering, but will not open it just yet. Instead, the async logic 
+ * will attempt to synchronize the two device instances.
+
+ * Synchrnonizing the instances
+ * ----------------------------
+ * While still in the gdev_prn_async_write_open routine, the async logic
+ * will call printer_procs.start_render_thread (which the driver is
+ * required to implement). start_render_thread must somehow either start a new
+ * thread or rendez-vous with an existing thread for use in rendering,
+ * then return. start_render_thread must also have caused the render thread 
+ * to call gdev_prn_async_render_thread, passing it as an argument a magic
+ * cookie passed to start_render_thread. start_render_thread will only
+ * return once the device has been closed and all renering has been
+ * completed.
+
+ * The render device will be opened on the render device's thread, by
+ * calling printer_procs.open_render_device.
+
+ * Rendering Operation
+ * -------------------
+ * During rendering, the device will not see rendering operations -- the
+ * first "rendering" operations the driver will see is when the renderer
+ * instance's print_page_copies or buffer_page routines get called. In
+ * both cases, the appropriate routine must then perform get_bits calls
+ * on the async logic in order to retrieve rendered bits, then transmit
+ * them to the appropriate device buffers.
+
+ * The complication that is introduced is that which is related to
+ * partial pages: A buffer_page call instructs the driver to grab the
+ * rendered bits, but to keep the rendered bits available for later
+ * instead of marking on media. This implies that a buffer_page call
+ * opens a context where subsequent buffer_page's and print_page_copies'
+ * must first initialize the rendering buffers with the previous
+ * rendering results before calling get_bits. Drivers use the
+ * locate_overlay_buffer function to initialize the driver's rendering
+ * buffers. The first print_page_copies closes the context that was
+ * opened by the initial buffer_page -- the driver must go back to
+ * normal rendering until a new buffer_page comes along.
+ */
+
+/* -------------- Type declarations --------------- */
+
+/* typedef is in gdevprn.h */
+/* typedef struct gdev_prn_start_render_params_s gdev_prn_start_render_params;*/
+struct gdev_prn_start_render_params_s {
+    gx_device_printer *writer_device;/* writer dev that points to render dev */
+    gx_semaphore_t *open_semaphore;	/* signal this once open_code is set */
+    int open_code;		/* RETURNS status of open of reader device */
+};
+
+/* -------- Macros used to initialize render-specific structures ------ */
+
+#define init_async_render_procs(xpdev, xstart_render_thread,\
+				xbuffer_page, xprint_page_copies)\
+  BEGIN\
+    (xpdev)->printer_procs.start_render_thread = (xstart_render_thread);\
+    (xpdev)->printer_procs.buffer_page = (xbuffer_page);\
+    (xpdev)->printer_procs.print_page_copies = (xprint_page_copies);\
+  END
+
+/* -------------- Global procedure declarations --------- */
+
+/* Open this printer device in ASYNC (overlapped) mode.
+ *
+ * This routine is always called by the concrete device's xx_open routine 
+ * in lieu of gdev_prn_open.
+ */
+int gdev_prn_async_write_open(P4(gx_device_printer *pdev, int max_raster,
+				 int min_band_height, int max_src_image_row));
+
+/* Open the render portion of a printer device in ASYNC (overlapped) mode.
+ *
+ * This routine is always called by concrete device's xx_open_render_device
+ * in lieu of gdev_prn_open.
+ */
+int gdev_prn_async_render_open(P1(gx_device_printer *prdev));
+
+/*
+ * Must be called by async device driver implementation (see
+ * gdevprna.h under "Synchronizing the Instances"). This is the
+ * rendering loop, which requires its own thread for as long as
+ * the device is open. This proc only returns after the device is closed.
+ */
+int	/* rets 0 ok, -ve error code */
+gdev_prn_async_render_thread(P1(gdev_prn_start_render_params *));
+
+#endif				/* gdevprna_INCLUDED */
diff --git a/pstoraster/gdevps.c b/pstoraster/gdevps.c
new file mode 100644
index 000000000..dfb4d2848
--- /dev/null
+++ b/pstoraster/gdevps.c
@@ -0,0 +1,1151 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PostScript-writing driver */
+#include "math_.h"
+#include "memory_.h"
+#include "time_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gscdefs.h"
+#include "gsmatrix.h"		/* for gsiparam.h */
+#include "gsiparam.h"
+#include "gsline.h"
+#include "gsparam.h"
+#include "gxdevice.h"
+#include "gscspace.h"
+#include "gxdcolor.h"
+#include "gzpath.h"
+#include "gdevpsdf.h"
+#include "gdevpstr.h"
+#include "strimpl.h"
+#include "sa85x.h"
+
+/****************************************************************
+ * Notes:
+ *	ASCII85EncodePages should use ASCIIHexEncode if LanguageLevel < 2.
+ *	Images are never compressed; in fact, none of the other
+ *	  Distiller parameters do anything.
+ ****************************************************************/
+
+/* ---------------- Device definition ---------------- */
+
+/* Device procedures */
+private dev_proc_open_device(psw_open);
+private dev_proc_output_page(psw_output_page);
+private dev_proc_close_device(psw_close);
+private dev_proc_copy_mono(psw_copy_mono);
+private dev_proc_copy_color(psw_copy_color);
+private dev_proc_put_params(psw_put_params);
+private dev_proc_get_params(psw_get_params);
+private dev_proc_fill_path(psw_fill_path);
+private dev_proc_stroke_path(psw_stroke_path);
+private dev_proc_fill_mask(psw_fill_mask);
+private dev_proc_begin_image(psw_begin_image);
+
+#define X_DPI 720
+#define Y_DPI 720
+
+typedef struct psw_path_state_s {
+    int num_points;		/* # of points since last non-lineto */
+    bool move;			/* true iff last non-lineto was moveto */
+    gs_point dprev[2];		/* line deltas before previous point, */
+    /* if num_points - move >= 2 */
+} psw_path_state_t;
+
+typedef struct psw_image_params_s {
+    gx_bitmap_id id;
+    ushort width, height;
+} psw_image_params_t;
+
+typedef struct gx_device_pswrite_s {
+    gx_device_psdf_common;
+    /* Settable parameters */
+#define LanguageLevel_default 2.0
+#define psdf_version_default psdf_version_level2
+    float LanguageLevel;
+    /* End of parameters */
+    bool ProduceEPS;
+    bool first_page;
+    long bbox_position;
+    psdf_binary_writer image_writer;
+#define image_stream image_writer.strm
+#define image_cache_size 197
+#define image_cache_reprobe_step 121
+    psw_image_params_t image_cache[image_cache_size];
+    bool cache_toggle;
+    /* Temporary state while writing a path */
+    psw_path_state_t path_state;
+} gx_device_pswrite;
+
+gs_private_st_suffix_add1_final(st_device_pswrite, gx_device_pswrite,
+   "gx_device_pswrite", device_pswrite_enum_ptrs, device_pswrite_reloc_ptrs,
+			  gx_device_finalize, st_device_psdf, image_stream);
+
+#define psw_procs\
+	{	psw_open,\
+		gx_upright_get_initial_matrix,\
+		NULL,			/* sync_output */\
+		psw_output_page,\
+		psw_close,\
+		gx_default_rgb_map_rgb_color,\
+		gx_default_rgb_map_color_rgb,\
+		gdev_vector_fill_rectangle,\
+		NULL,			/* tile_rectangle */\
+		psw_copy_mono,\
+		psw_copy_color,\
+		NULL,			/* draw_line */\
+		NULL,			/* get_bits */\
+		psw_get_params,\
+		psw_put_params,\
+		NULL,			/* map_cmyk_color */\
+		NULL,			/* get_xfont_procs */\
+		NULL,			/* get_xfont_device */\
+		NULL,			/* map_rgb_alpha_color */\
+		gx_page_device_get_page_device,\
+		NULL,			/* get_alpha_bits */\
+		NULL,			/* copy_alpha */\
+		NULL,			/* get_band */\
+		NULL,			/* copy_rop */\
+		psw_fill_path,\
+		psw_stroke_path,\
+		psw_fill_mask,\
+		gdev_vector_fill_trapezoid,\
+		gdev_vector_fill_parallelogram,\
+		gdev_vector_fill_triangle,\
+		NULL /****** WRONG ******/,	/* draw_thin_line */\
+		psw_begin_image,\
+		NULL,			/* image_data */\
+		NULL,			/* end_image */\
+		NULL,			/* strip_tile_rectangle */\
+		NULL/******psw_strip_copy_rop******/\
+	}
+
+const gx_device_pswrite gs_pswrite_device =
+{std_device_dci_type_body(gx_device_pswrite, 0, "pswrite",
+			  &st_device_pswrite,
+	DEFAULT_WIDTH_10THS * X_DPI / 10, DEFAULT_HEIGHT_10THS * Y_DPI / 10,
+			  X_DPI, Y_DPI, 3, 24, 255, 255, 256, 256),
+ psw_procs,
+ psdf_initial_values(psdf_version_default, 1 /*true */ ),	/* (ASCII85EncodePages) */
+ LanguageLevel_default,		/* LanguageLevel */
+ 0				/*false *//* ProduceEPS */
+};
+
+const gx_device_pswrite gs_epswrite_device =
+{std_device_dci_type_body(gx_device_pswrite, 0, "epswrite",
+			  &st_device_pswrite,
+	DEFAULT_WIDTH_10THS * X_DPI / 10, DEFAULT_HEIGHT_10THS * Y_DPI / 10,
+			  X_DPI, Y_DPI, 3, 24, 255, 255, 256, 256),
+ psw_procs,
+ psdf_initial_values(psdf_version_default, 1 /*true */ ),	/* (ASCII85EncodePages) */
+ LanguageLevel_default,		/* LanguageLevel */
+ 1				/*true *//* ProduceEPS */
+};
+
+/* Vector device implementation */
+private int
+    psw_beginpage(P1(gx_device_vector * vdev)), psw_setlinewidth(P2(gx_device_vector * vdev, floatp width)),
+    psw_setcolors(P2(gx_device_vector * vdev, const gx_drawing_color * pdc)),
+      psw_dorect(P6(gx_device_vector * vdev, fixed x0, fixed y0, fixed x1, fixed y1,
+		    gx_path_type_t type)), psw_beginpath(P2(gx_device_vector * vdev, gx_path_type_t type)),
+      psw_moveto(P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		    floatp x, floatp y, gx_path_type_t type)), psw_lineto(P6(gx_device_vector * vdev, floatp x0, floatp y0,
+				  floatp x, floatp y, gx_path_type_t type)),
+      psw_curveto(P10(gx_device_vector * vdev, floatp x0, floatp y0,
+		      floatp x1, floatp y1, floatp x2, floatp y2,
+		      floatp x3, floatp y3, gx_path_type_t type)), psw_closepath(P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		      floatp x_start, floatp y_start, gx_path_type_t type)),
+      psw_endpath(P2(gx_device_vector * vdev, gx_path_type_t type));
+private const gx_device_vector_procs psw_vector_procs =
+{
+	/* Page management */
+    psw_beginpage,
+	/* Imager state */
+    psw_setlinewidth,
+    psdf_setlinecap,
+    psdf_setlinejoin,
+    psdf_setmiterlimit,
+    psdf_setdash,
+    psdf_setflat,
+    psdf_setlogop,
+	/* Other state */
+    psw_setcolors,		/* fill & stroke colors are the same */
+    psw_setcolors,
+	/* Paths */
+    psdf_dopath,
+    psw_dorect,
+    psw_beginpath,
+    psw_moveto,
+    psw_lineto,
+    psw_curveto,
+    psw_closepath,
+    psw_endpath
+};
+
+/* ---------------- File header ---------------- */
+
+private const char *const psw_ps_header[] =
+{
+    "%!PS-Adobe-3.0",
+    "%%Pages: (atend)",
+    0
+};
+
+private const char *const psw_eps_header[] =
+{
+    "%!PS-Adobe-3.0 EPSF-3.0",
+    0
+};
+
+private const char *const psw_header[] =
+{
+    "%%EndComments",
+    "%%BeginProlog",
+    0
+};
+
+private const char *const psw_prolog[] =
+{
+    "%%BeginResource: procset GS_pswrite_ProcSet",
+    "/GS_pswrite_ProcSet 40 dict dup begin",
+    "/!{bind def}bind def/#{load def}!",
+	/* <rbyte> <gbyte> <bbyte> rG - */
+	/* <graybyte> G - */
+ "/rG{3{3 -1 roll 255 div}repeat setrgbcolor}!/G{255 div setgray}!/K{0 G}!",
+	/* <bbyte> <rgbyte> r6 - */
+	/* <gbyte> <rbbyte> r5 - */
+	/* <rbyte> <gbbyte> r3 - */
+    "/r6{dup 3 -1 roll rG}!/r5{dup 3 1 roll rG}!/r3{dup rG}!",
+    "/w/setlinewidth #/J/setlinecap #",
+    "/j/setlinejoin #/M/setmiterlimit #/d/setdash #/i/setflat #",
+    "/m/moveto #/l/lineto #/c/rcurveto #/h{p closepath}!/H{P closepath}!",
+	/* <dx> lx - */
+	/* <dy> ly - */
+	/* <dx2> <dy2> <dx3> <dy3> v - */
+	/* <dx1> <dy1> <dx2> <dy2> y - */
+    "/lx{0 rlineto}!/ly{0 exch rlineto}!/v{0 0 6 2 roll c}!/y{2 copy c}!",
+	/* <x> <y> <dx> <dy> re - */
+    "/re{4 -2 roll m exch dup lx exch ly neg lx h}!",
+	/* <x> <y> <a> <b> ^ <x> <y> <a> <b> <-a> <-y> */
+    "/^{3 index neg 3 index neg}!",
+	/* <x> <y> <dx1> <dy1> ... <dxn> <dyn> P - */
+    "/P{count 0 gt{count -2 roll moveto p}if}!",
+	/* <dx1> <dy1> ... <dxn> <dyn> p - */
+    "/p{count 2 idiv{count -2 roll rlineto}repeat}!",
+"/f{P fill}!/f*{P eofill}!/S{P stroke}!/q/gsave #/Q/grestore #/rf{re fill}!",
+    "/Y{initclip P clip newpath}!/Y*{initclip P eoclip newpath}!/rY{re Y}!",
+	/* <w> <h> <name> <length> <src> | <w> <h> <data> */
+    "/|{exch string readstring pop exch 4 1 roll 3 packedarray cvx exch 1 index def exec}!",
+	/* <w> <?> <name> (<length>|) + <w> <?> <name> <length> */
+    "/+{dup type/nametype eq{2 index 7 add -3 bitshift 2 index mul}if}!",
+	/* <w> <h> <name> (<length>|) $ <w> <h> <data> */
+    "/@/currentfile #/${+ @ |}!",
+	/* <x> <y> <w> <h> <bpc/inv> <src> Ix <w> <h> <bps/inv> <mtx> <src> */
+    "/Ix{[1 0 0 1 11 -2 roll exch neg exch neg]exch}!",
+	/* <x> <y> <h> <src> , - */
+	/* <x> <y> <h> <src> If - */
+	/* <x> <y> <h> <src> I - */
+"/,{true exch Ix imagemask}!/If{false exch Ix imagemask}!/I{exch Ix image}!",
+    0
+};
+
+private const char *const psw_1_prolog[] =
+{
+    0
+};
+
+private const char *const psw_1_5_prolog[] =
+{
+    "/Ic{exch Ix false 3 colorimage}!",
+    0
+};
+
+private const char *const psw_2_prolog[] =
+{
+	/* <src> <w> <h> F <g4src> */
+    "/F{<</Columns 4 2 roll/Rows exch/K -1/BlackIs1 true >>/CCITTFaxDecode filter}!",
+	/* <src> X <a85src> */
+	/* - @X <a85src> */
+	/* <w> <h> <src> +F <w> <h> <g4src> */
+	/* <w> <h> +F <w> <h> <g4src> */
+	/* <w> <h> @F <w> <h> <g4src> */
+	/* <w> <h> @C <w> <h> <g4a85src> */
+    "/X{/ASCII85Decode filter}!/@X{@ X}!/+F{2 index 2 index F}!/@F{@ +F}!/@C{@X +F}!",
+	/* <w> <h> <name> (<length>|) $X <w> <h> <data> */
+	/* <w> <h> <?> <?> <src> -F <w> <h> <?> <?> <g4src> */
+	/* <w> <h> <name> (<length>|) $F <w> <h> <data> */
+	/* <w> <h> <name> (<length>|) $C <w> <h> <data> */
+    "/$X{+ @X |}!/-F{4 index 4 index F}!/$F{+ @ -F |}!/$C{+ @X -F |}!",
+    0
+};
+
+private const char *const psw_end_prolog[] =
+{
+    "end def",
+    "%%EndResource",
+    "%%EndProlog",
+    0
+};
+
+private void
+psw_put_lines(stream * s, const char *const lines[])
+{
+    int i;
+
+    for (i = 0; lines[i] != 0; ++i)
+	pprints1(s, "%s\n", lines[i]);
+}
+
+/* ---------------- Utilities ---------------- */
+
+/* Reset the image cache. */
+private void
+image_cache_reset(gx_device_pswrite * pdev)
+{
+    int i;
+
+    for (i = 0; i < image_cache_size; ++i)
+	pdev->image_cache[i].id = gx_no_bitmap_id;
+    pdev->cache_toggle = false;
+}
+
+/* Look up or enter image parameters in the cache. */
+/* Return -1 if the key is not in the cache, or its index. */
+/* If id is gx_no_bitmap_id or enter is false, do not enter it. */
+private int
+image_cache_lookup(gx_device_pswrite * pdev, gx_bitmap_id id,
+		   int width, int height, bool enter)
+{
+    int i1, i2;
+    psw_image_params_t *pip1;
+    psw_image_params_t *pip2;
+
+    if (id == gx_no_bitmap_id)
+	return -1;
+    i1 = id % image_cache_size;
+    pip1 = &pdev->image_cache[i1];
+    if (pip1->id == id && pip1->width == width && pip1->height == height) {
+	return i1;
+    }
+    i2 = (i1 + image_cache_reprobe_step) % image_cache_size;
+    pip2 = &pdev->image_cache[i2];
+    if (pip2->id == id && pip2->width == width && pip2->height == height) {
+	return i2;
+    }
+    if (enter) {
+	int i = ((pdev->cache_toggle = !pdev->cache_toggle) ? i2 : i1);
+	psw_image_params_t *pip = &pdev->image_cache[i];
+
+	pip->id = id, pip->width = width, pip->height = height;
+	return i;
+    }
+    return -1;
+}
+
+/* Prepare the encoding stream for image data. */
+/* Return 1 if we are using ASCII85 encoding. */
+private int
+psw_image_stream_setup(gx_device_pswrite * pdev)
+{
+    int code =
+    psdf_begin_binary((gx_device_psdf *) pdev, &pdev->image_writer);
+
+    return
+	(code < 0 ? code :
+	 pdev->image_stream->state->template == &s_A85E_template ? 1 : 0);
+}
+
+/* Clean up after writing an image. */
+private void
+psw_image_cleanup(gx_device_pswrite * pdev)
+{
+    if (pdev->image_stream != 0) {
+	psdf_end_binary(&pdev->image_writer);
+	pdev->image_stream = 0;
+    }
+}
+
+/* Write data for an image.  Assumes width > 0, height > 0. */
+/****** IGNORES data_x ******/
+private void
+psw_put_bits(stream * s, const byte * data, int data_x_bit, uint raster,
+	     uint width_bits, int height)
+{
+    int y;
+
+    for (y = 0; y < height; ++y)
+	pwrite(s, data + (data_x_bit >> 3) + y * raster,
+	       (width_bits + 7) >> 3);
+}
+private int
+psw_image_write(gx_device_pswrite * pdev, const char *imagestr,
+		const byte * data, int data_x, uint raster, gx_bitmap_id id,
+		int x, int y, int width, int height, int depth)
+{
+    stream *s = gdev_vector_stream((gx_device_vector *) pdev);
+    uint width_bits = width * depth;
+    int data_x_bit = data_x * depth;
+    int index = image_cache_lookup(pdev, id, width_bits, height, false);
+    char str[40];
+    int code, encode;
+
+    if (index >= 0) {
+	sprintf(str, "%d%c", index / 26, index % 26 + 'A');
+	pprintd2(s, "%d %d ", x, y);
+	pprints2(s, "%s %s\n", str, imagestr);
+	return 0;
+    }
+    pprintd4(s, "%d %d %d %d ", x, y, width, height);
+    encode = code = psw_image_stream_setup(pdev);
+    if (code < 0)
+	return code;
+    if (depth == 1 && width > 16) {
+	/*
+	 * We should really look at the statistics of the image before
+	 * committing to using G4 encoding....
+	 */
+	code = psdf_CFE_binary(&pdev->image_writer, width, height, false);
+	if (code < 0)
+	    return code;
+	encode += 2;
+    }
+    if (id == gx_no_bitmap_id || width_bits * (ulong) height > 8000) {
+	const char *const uncached[4] =
+	{
+	    "@", "@X", "@F", "@C"
+	};
+
+	pprints2(s, "%s %s\n", uncached[encode], imagestr);
+	psw_put_bits(pdev->image_stream, data, data_x_bit, raster,
+		     width_bits, height);
+	psw_image_cleanup(pdev);
+	spputc(s, '\n');
+    } else {
+	const char *const cached[4] =
+	{
+	    "$", "$X", "$F", "$C"
+	};
+
+	index = image_cache_lookup(pdev, id, width_bits, height, true);
+	sprintf(str, "/%d%c ", index / 26, index % 26 + 'A');
+	pputs(s, str);
+	if (depth != 1)
+	    pprintld1(s, "%ld ", ((width_bits + 7) >> 3) * (ulong) height);
+	pprints1(s, "%s\n", cached[encode]);
+	psw_put_bits(pdev->image_stream, data, data_x_bit, raster,
+		     width_bits, height);
+	psw_image_cleanup(pdev);
+	pprints1(s, "\n%s\n", imagestr);
+    }
+    return 0;
+}
+
+/* Print a matrix. */
+private void
+psw_put_matrix(stream * s, const gs_matrix * pmat)
+{
+    pprintg6(s, "[%g %g %g %g %g %g]",
+	     pmat->xx, pmat->xy, pmat->yx, pmat->yy, pmat->tx, pmat->ty);
+}
+
+/* ---------------- Vector device implementation ---------------- */
+
+#define pdev ((gx_device_pswrite *)vdev)
+
+private int
+psw_beginpage(gx_device_vector * vdev)
+{
+    stream *s = vdev->strm;
+    long page = vdev->PageCount + 1;
+
+    if (pdev->first_page) {
+	psw_put_lines(s,
+		      (pdev->ProduceEPS ? psw_eps_header : psw_ps_header));
+	if (ftell(vdev->file) < 0) {	/* File is not seekable. */
+	    pdev->bbox_position = -1;
+	    pputs(s, "%%BoundingBox: (atend)\n");
+	    pputs(s, "%%HiResBoundingBox: (atend)\n");
+	} else {		/* File is seekable, leave room to rewrite bbox. */
+	    pdev->bbox_position = stell(s);
+	    pputs(s, "%...............................................................\n");
+	    pputs(s, "%...............................................................\n");
+	}
+	pprints1(s, "%%%%Creator: %s ", gs_product);
+	pprintld1(s, "%ld ", (long)gs_revision);
+	pprints1(s, "(%s)\n", vdev->dname);
+	{
+	    struct tm tms;
+	    time_t t;
+	    char date_str[25];
+
+	    time(&t);
+	    tms = *localtime(&t);
+	    sprintf(date_str, "%d/%02d/%02d %02d:%02d:%02d",
+		    tms.tm_year + 1900, tms.tm_mon + 1, tms.tm_mday,
+		    tms.tm_hour, tms.tm_min, tms.tm_sec);
+	    pprints1(s, "%%%%CreationDate: %s\n", date_str);
+	}
+	if (pdev->params.ASCII85EncodePages)
+	    pputs(s, "%%DocumentData: Clean7Bit\n");
+	if (pdev->LanguageLevel == 2.0)
+	    pputs(s, "%%LanguageLevel: 2\n");
+	else if (pdev->LanguageLevel == 1.5)
+	    pputs(s, "%%Extensions: CMYK\n");
+	psw_put_lines(s, psw_header);
+	psw_put_lines(s, psw_prolog);
+	if (pdev->LanguageLevel < 1.5)
+	    psw_put_lines(s, psw_1_prolog);
+	else {
+	    psw_put_lines(s, psw_1_5_prolog);
+	    if (pdev->LanguageLevel > 1.5)
+		psw_put_lines(s, psw_2_prolog);
+	}
+	psw_put_lines(s, psw_end_prolog);
+    }
+    pprintld2(s, "%%%%Page: %ld %ld\n%%%%BeginPageSetup\n", page, page);
+    pputs(s, "/pagesave save def GS_pswrite_ProcSet begin\n");
+    if (!pdev->ProduceEPS) {
+	int width = (int)(vdev->width * 72.0 / vdev->HWResolution[0] + 0.5);
+	int height = (int)(vdev->height * 72.0 / vdev->HWResolution[1] + 0.5);
+
+	if (pdev->LanguageLevel > 1.5)
+	    pprintd2(s, "<< /PageSize [%d %d] >> setpagedevice\n",
+		     width, height);
+	else {
+	    typedef struct ps_ {
+		const char *size_name;
+		int width, height;
+	    } page_size;
+	    static const page_size sizes[] = {
+		{"/11x17", 792, 1224},
+		{"/a3", 842, 1190},
+		{"/a4", 595, 842},
+		{"/b5", 501, 709},
+		{"/ledger", 1224, 792},
+		{"/legal", 612, 1008},
+		{"/letter", 612, 792},
+		{"null", 0, 0}
+	    };
+	    const page_size *p = sizes;
+
+	    while (p->size_name[0] == '/' &&
+		   (p->width != width || p->height != height))
+		++p;
+	    pprintd2(s, "%d %d ", width, height);
+	    pprints1(s, "%s PS\n", p->size_name);
+	}
+    }
+    pprintg2(s, "%g %g scale\n%%%%EndPageSetup\n",
+	     72.0 / vdev->HWResolution[0], 72.0 / vdev->HWResolution[1]);
+    return 0;
+}
+
+private int
+psw_setlinewidth(gx_device_vector * vdev, floatp width)
+{				/*
+				 * The vector scale is 1, but we have to rescale the line width
+				 * (which is given in device pixels) to account for the actual
+				 * page scaling in effect.
+				 */
+    return psdf_setlinewidth(vdev, width * 72.0 / vdev->HWResolution[1]);
+}
+
+private int
+psw_setcolors(gx_device_vector * vdev, const gx_drawing_color * pdc)
+{
+    if (!gx_dc_is_pure(pdc))
+	return_error(gs_error_rangecheck);
+    /* PostScript only keeps track of a single color. */
+    vdev->fill_color = *pdc;
+    vdev->stroke_color = *pdc;
+    {
+	stream *s = gdev_vector_stream(vdev);
+	gx_color_index color = gx_dc_pure_color(pdc);
+	int r = color >> 16;
+	int g = (color >> 8) & 0xff;
+	int b = color & 0xff;
+
+	if (r == g && g == b) {
+	    if (r == 0)
+		pputs(s, "K\n");
+	    else
+		pprintd1(s, "%d G\n", r);
+	} else if (r == g)
+	    pprintd2(s, "%d %d r6\n", b, r);
+	else if (g == b)
+	    pprintd2(s, "%d %d r3\n", r, g);
+	else if (r == b)
+	    pprintd2(s, "%d %d r5\n", g, b);
+	else
+	    pprintd3(s, "%d %d %d rG\n", r, g, b);
+    }
+    return 0;
+}
+
+/* Redefine dorect to recognize rectangle fills. */
+private int
+psw_dorect(gx_device_vector * vdev, fixed x0, fixed y0, fixed x1, fixed y1,
+	   gx_path_type_t type)
+{
+    if ((type & ~gx_path_type_rule) != gx_path_type_fill)
+	return psdf_dorect(vdev, x0, y0, x1, y1, type);
+    pprintg4(gdev_vector_stream(vdev), "%g %g %g %g rf\n",
+	     fixed2float(x0), fixed2float(y0),
+	     fixed2float(x1 - x0), fixed2float(y1 - y0));
+    return 0;
+}
+
+/*
+ * We redefine path tracing to use a compact form for polygons; also,
+ * we only need to write coordinates with 2 decimals of precision,
+ * since this is 10 times more precise than any existing output device.
+ */
+#define round_coord(v) (floor((v) * 100 + 0.5) / 100.0)
+private void
+print_coord2(stream * s, floatp x, floatp y, const char *str)
+{
+    pprintg2(s, "%g %g ", round_coord(x), round_coord(y));
+    if (str != 0)
+	pputs(s, str);
+}
+#undef round_coord
+
+private int
+psw_beginpath(gx_device_vector * vdev, gx_path_type_t type)
+{
+    pdev->path_state.num_points = 0;
+    pdev->path_state.move = false;
+    return 0;
+}
+
+private int
+psw_moveto(gx_device_vector * vdev, floatp x0, floatp y0, floatp x, floatp y,
+	   gx_path_type_t type)
+{
+    stream *s = gdev_vector_stream(vdev);
+
+    if (pdev->path_state.num_points > pdev->path_state.move)
+	pputs(s, (pdev->path_state.move ? "P\n" : "p\n"));
+    print_coord2(s, x, y, NULL);
+    pdev->path_state.num_points = 1;
+    pdev->path_state.move = true;
+    return 0;
+}
+
+private int
+psw_lineto(gx_device_vector * vdev, floatp x0, floatp y0, floatp x, floatp y,
+	   gx_path_type_t type)
+{
+    double dx = x - x0, dy = y - y0;
+
+    /*
+     * Omit null lines when filling.
+     ****** MAYBE WRONG IF PATH CONSISTS ONLY OF NULL LINES. ******
+     */
+    if (dx != 0 || dy != 0) {
+	stream *s = gdev_vector_stream(vdev);
+
+	if (pdev->path_state.num_points - pdev->path_state.move >= 2 &&
+	    dx == -pdev->path_state.dprev[1].x &&
+	    dy == -pdev->path_state.dprev[1].y
+	    )
+	    pputs(s, "^ ");
+	else
+	    print_coord2(s, dx, dy, NULL);
+	pdev->path_state.num_points++;
+	pdev->path_state.dprev[1] = pdev->path_state.dprev[0];
+	pdev->path_state.dprev[0].x = dx;
+	pdev->path_state.dprev[0].y = dy;
+    }
+    return 0;
+}
+
+private int
+psw_curveto(gx_device_vector * vdev, floatp x0, floatp y0,
+	    floatp x1, floatp y1, floatp x2, floatp y2, floatp x3, floatp y3,
+	    gx_path_type_t type)
+{
+    stream *s = gdev_vector_stream(vdev);
+    double dx1 = x1 - x0, dy1 = y1 - y0;
+    double dx2 = x2 - x0, dy2 = y2 - y0;
+    double dx3 = x3 - x0, dy3 = y3 - y0;
+
+    if (pdev->path_state.num_points > 0)
+	pputs(s, (pdev->path_state.move ?
+		  (pdev->path_state.num_points == 1 ? "m\n" : "P\n") :
+		  "p\n"));
+    if (dx1 == 0 && dy1 == 0) {
+	print_coord2(s, dx2, dy2, NULL);
+	print_coord2(s, dx3, dy3, "v\n");
+    } else if (x3 == x2 && y3 == y2) {
+	print_coord2(s, dx1, dy1, NULL);
+	print_coord2(s, dx2, dy2, "y\n");
+    } else {
+	print_coord2(s, dx1, dy1, NULL);
+	print_coord2(s, dx2, dy2, NULL);
+	print_coord2(s, dx3, dy3, "c\n");
+    }
+    pdev->path_state.num_points = 0;
+    pdev->path_state.move = false;
+    return 0;
+}
+
+private int
+psw_closepath(gx_device_vector * vdev, floatp x0, floatp y0,
+	      floatp x_start, floatp y_start, gx_path_type_t type)
+{
+    pputs(gdev_vector_stream(vdev),
+	  (pdev->path_state.num_points > 0 && pdev->path_state.move ?
+	   "H\n" : "h\n"));
+    pdev->path_state.num_points = 0;
+    pdev->path_state.move = false;
+    return 0;
+}
+
+private int
+psw_endpath(gx_device_vector * vdev, gx_path_type_t type)
+{
+    stream *s = vdev->strm;
+    const char *star = (type & gx_path_type_even_odd ? "*" : "");
+
+    if (pdev->path_state.num_points > 0 && !pdev->path_state.move)
+	pputs(s, "p ");
+    if (type & gx_path_type_fill) {
+	if (type & (gx_path_type_stroke | gx_path_type_clip))
+	    pprints1(s, "q f%s Q ", star);
+	else
+	    pprints1(s, "f%s\n", star);
+    }
+    if (type & gx_path_type_stroke) {
+	if (type & gx_path_type_clip)
+	    pputs(s, "q S Q ");
+	else
+	    pputs(s, "S\n");
+    }
+    if (type & gx_path_type_clip)
+	pprints1(s, "Y%s\n", star);
+    return 0;
+}
+
+#undef pdev
+
+/* ---------------- Driver procedures ---------------- */
+
+#define vdev ((gx_device_vector *)dev)
+#define pdev ((gx_device_pswrite *)dev)
+
+/* ------ Open/close/page ------ */
+
+/* Open the device. */
+private int
+psw_open(gx_device * dev)
+{
+    vdev->v_memory = dev->memory;
+/****** WRONG ******/
+    vdev->vec_procs = &psw_vector_procs;
+    {
+	int code = gdev_vector_open_file_bbox(vdev, 512, true);
+
+	if (code < 0)
+	    return code;
+    }
+    gdev_vector_init(vdev);
+    pdev->first_page = true;
+    pdev->binary_ok = !pdev->params.ASCII85EncodePages;
+    image_cache_reset(pdev);
+    return 0;
+}
+
+/* Wrap up ("output") a page. */
+private int
+psw_output_page(gx_device * dev, int num_copies, int flush)
+{
+    stream *s = gdev_vector_stream(vdev);
+
+    if (num_copies != 1)
+	pprintd1(s, "userdict /#copies %d put\n", num_copies);
+    pprints1(s, "end %s pagesave restore\n%%%%PageTrailer\n",
+	     (flush ? "showpage" : "copypage"));
+    sflush(s);
+    vdev->in_page = false;
+    pdev->first_page = false;
+    gdev_vector_reset(vdev);
+    image_cache_reset(pdev);
+    return 0;
+}
+
+/* Close the device. */
+/* Note that if this is being called as a result of finalization, */
+/* the stream may no longer exist; but the file will still be open. */
+private int
+psw_close(gx_device * dev)
+{
+    FILE *f = vdev->file;
+
+    fprintf(f, "%%%%Trailer\n%%%%Pages: %ld\n", dev->PageCount);
+    {
+	gs_rect bbox;
+	long save_pos;
+
+	gx_device_bbox_bbox(vdev->bbox_device, &bbox);
+	if (pdev->bbox_position >= 0) {
+	    save_pos = ftell(f);
+	    fseek(f, pdev->bbox_position, SEEK_SET);
+	}
+	fprintf(f, "%%%%BoundingBox: %d %d %d %d\n",
+		(int)floor(bbox.p.x), (int)floor(bbox.p.y),
+		(int)ceil(bbox.q.x), (int)ceil(bbox.q.y));
+	fprintf(f, "%%%%HiResBoundingBox: %f %f %f %f\n",
+		bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y);
+	if (pdev->bbox_position >= 0) {
+	    fputc('%', f);
+	    fseek(f, save_pos, SEEK_SET);
+	}
+    }
+    if (!pdev->ProduceEPS)
+	fputs("%%EOF\n", f);
+    gdev_vector_close_file(vdev);
+    return 0;
+}
+
+/* ---------------- Get/put parameters ---------------- */
+
+/* Get parameters. */
+private int
+psw_get_params(gx_device * dev, gs_param_list * plist)
+{
+    int code = gdev_psdf_get_params(dev, plist);
+    int ecode;
+
+    if (code < 0)
+	return code;
+    if ((ecode = param_write_float(plist, "LanguageLevel", &pdev->LanguageLevel)) < 0)
+	return ecode;
+    return code;
+}
+
+/* Put parameters. */
+private int
+psw_put_params(gx_device * dev, gs_param_list * plist)
+{
+    int ecode = 0;
+    int code;
+    gs_param_name param_name;
+    float ll = pdev->LanguageLevel;
+    psdf_version save_version = pdev->version;
+
+    switch (code = param_read_float(plist, (param_name = "LanguageLevel"), &ll)) {
+	case 0:
+	    if (ll == 1.0 || ll == 1.5 || ll == 2.0)
+		break;
+	    code = gs_error_rangecheck;
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 1:
+	    ;
+    }
+
+    if (ecode < 0)
+	return ecode;
+    /*
+     * We have to set version to the new value, because the set of
+     * legal parameter values for psdf_put_params varies according to
+     * the version.
+     */
+    {
+	static const psdf_version vv[3] =
+	{
+	    psdf_version_level1, psdf_version_level1_color,
+	    psdf_version_level2
+	};
+
+	pdev->version = vv[(int)(ll * 2) - 2];
+    }
+    code = gdev_psdf_put_params(dev, plist);
+    if (code < 0) {
+	pdev->version = save_version;
+	return code;
+    }
+    pdev->LanguageLevel = ll;
+    return code;
+}
+
+/* ---------------- Images ---------------- */
+
+/* Copy a monochrome bitmap. */
+private int
+psw_copy_mono(gx_device * dev, const byte * data,
+	int data_x, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+	      gx_color_index zero, gx_color_index one)
+{
+    gx_drawing_color color;
+    const char *op;
+    int code = 0;
+
+    if (w <= 0 || h <= 0)
+	return 0;
+    (*dev_proc(vdev->bbox_device, copy_mono))
+	((gx_device *) vdev->bbox_device, data, data_x, raster, id,
+	 x, y, w, h, zero, one);
+    if (one == gx_no_color_index) {
+	color_set_pure(&color, zero);
+	code = gdev_vector_update_fill_color((gx_device_vector *) pdev,
+					     &color);
+	op = "If";
+    } else if (zero == vdev->black && one == vdev->white)
+	op = "1 I";
+    else {
+	if (zero != gx_no_color_index) {
+	    code = (*dev_proc(dev, fill_rectangle)) (dev, x, y, w, h, zero);
+	    if (code < 0)
+		return code;
+	}
+	color_set_pure(&color, one);
+	code = gdev_vector_update_fill_color((gx_device_vector *) pdev,
+					     &color);
+	op = ",";
+    }
+    if (code < 0)
+	return 0;
+    return psw_image_write(pdev, op, data, data_x, raster, id,
+			   x, y, w, h, 1);
+}
+
+/* Copy a color bitmap. */
+private int
+psw_copy_color(gx_device * dev,
+	       const byte * data, int data_x, int raster, gx_bitmap_id id,
+	       int x, int y, int w, int h)
+{
+    int depth = dev->color_info.depth;
+    const byte *bits = data + data_x * 3;
+    char op[6];
+
+    if (w <= 0 || h <= 0)
+	return 0;
+    (*dev_proc(vdev->bbox_device, copy_color))
+	((gx_device *) vdev->bbox_device, data, data_x, raster, id,
+	 x, y, w, h);
+    /*
+     * If this is a 1-pixel-high image, check for it being all the
+     * same color, and if so, fill it as a rectangle.
+     */
+    if (h == 1 && !memcmp(bits, bits + 3, (w - 1) * 3)) {
+	return (*dev_proc(dev, fill_rectangle))
+	    (dev, x, y, w, h, (bits[0] << 16) + (bits[1] << 8) + bits[2]);
+    }
+    sprintf(op, "%d Ic", depth / 3);	/* RGB */
+    return psw_image_write(pdev, op, data, data_x, raster, id,
+			   x, y, w, h, depth);
+}
+
+/* Fill or stroke a path. */
+/* We redefine these to skip empty paths. */
+private int
+psw_fill_path(gx_device * dev, const gs_imager_state * pis,
+	      gx_path * ppath, const gx_fill_params * params,
+	      const gx_device_color * pdevc, const gx_clip_path * pcpath)
+{
+    if (gx_path_is_void(ppath))
+	return 0;
+    return gdev_vector_fill_path(dev, pis, ppath, params, pdevc, pcpath);
+}
+private int
+psw_stroke_path(gx_device * dev, const gs_imager_state * pis,
+		gx_path * ppath, const gx_stroke_params * params,
+		const gx_device_color * pdevc, const gx_clip_path * pcpath)
+{
+    if (gx_path_is_void(ppath) &&
+	(gx_path_is_null(ppath) ||
+	 gs_currentlinecap((const gs_state *)pis) != gs_cap_round)
+	)
+	return 0;
+    return gdev_vector_stroke_path(dev, pis, ppath, params, pdevc, pcpath);
+}
+
+/* Fill a mask. */
+private int
+psw_fill_mask(gx_device * dev,
+	      const byte * data, int data_x, int raster, gx_bitmap_id id,
+	      int x, int y, int w, int h,
+	      const gx_drawing_color * pdcolor, int depth,
+	      gs_logical_operation_t lop, const gx_clip_path * pcpath)
+{
+    if (w <= 0 || h <= 0)
+	return 0;
+    if (depth > 1 ||
+	gdev_vector_update_fill_color(vdev, pdcolor) < 0 ||
+	gdev_vector_update_clip_path(vdev, pcpath) < 0 ||
+	gdev_vector_update_log_op(vdev, lop) < 0
+	)
+	return gx_default_fill_mask(dev, data, data_x, raster, id,
+				    x, y, w, h, pdcolor, depth, lop, pcpath);
+    (*dev_proc(vdev->bbox_device, fill_mask))
+	((gx_device *) vdev->bbox_device, data, data_x, raster, id,
+	 x, y, w, h, pdcolor, depth, lop, pcpath);
+    return psw_image_write(pdev, ",", data, data_x, raster, id,
+			   x, y, w, h, 1);
+}
+
+/* ---------------- High-level images ---------------- */
+
+private image_enum_proc_plane_data(psw_image_plane_data);
+private image_enum_proc_end_image(psw_image_end_image);
+private const gx_image_enum_procs_t psw_image_enum_procs =
+{
+    psw_image_plane_data, psw_image_end_image
+};
+
+/* Start processing an image. */
+private int
+psw_begin_image(gx_device * dev,
+		const gs_imager_state * pis, const gs_image_t * pim,
+		gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		gs_memory_t * mem, gx_image_enum_common_t ** pinfo)
+{
+    gdev_vector_image_enum_t *pie =
+    gs_alloc_struct(mem, gdev_vector_image_enum_t,
+		    &st_vector_image_enum, "psw_begin_image");
+    const gs_color_space *pcs = pim->ColorSpace;
+    gs_color_space_index index;
+    int num_components;
+    bool can_do = prect == 0;
+    int code;
+
+    if (pie == 0)
+	return_error(gs_error_VMerror);
+    pie->memory = mem;
+    *pinfo = (gx_image_enum_common_t *) pie;
+    if (!pim->ImageMask) {
+	index = gs_color_space_get_index(pcs);
+	num_components = gs_color_space_num_components(pcs);
+    }
+    if (pdev->LanguageLevel < 2 && !pim->ImageMask) {	/*
+							 * Restrict ourselves to Level 1 images: device color spaces, [0
+							 * 1] decode, bits per component <= 8, no CombineWithColor.
+							 */
+	if (pim->BitsPerComponent > 8 || pim->CombineWithColor)
+	    can_do = false;
+	else {
+	    int i;
+
+	    switch (index) {
+		case gs_color_space_index_DeviceGray:
+		case gs_color_space_index_DeviceRGB:
+		case gs_color_space_index_DeviceCMYK:
+		    for (i = 0; i < num_components * 2; ++i)
+			if (pim->Decode[i] != (i & 1))
+			    can_do = false;
+		    break;
+		default:
+		    can_do = false;
+	    }
+	}
+    }
+    if (!can_do ||
+	gdev_vector_begin_image(vdev, pis, pim, format, prect, pdcolor,
+			     pcpath, mem, &psw_image_enum_procs, pie) < 0 ||
+	(code = psw_image_stream_setup(pdev)) < 0
+	)
+	return gx_default_begin_image(dev, pis, pim, format, prect,
+				      pdcolor, pcpath, mem,
+				      &pie->default_info);
+    /* Write the image/colorimage/imagemask preamble. */
+    {
+	stream *s = gdev_vector_stream((gx_device_vector *) pdev);
+	const char *source = (code ? "@X" : "@");
+	gs_matrix imat;
+
+	pputs(s, "q");
+	(*dev_proc(dev, get_initial_matrix)) (dev, &imat);
+	gs_matrix_scale(&imat, 72.0 / dev->HWResolution[0],
+			72.0 / dev->HWResolution[1], &imat);
+	gs_matrix_invert(&imat, &imat);
+	gs_matrix_multiply(&ctm_only(pis), &imat, &imat);
+	psw_put_matrix(s, &imat);
+	pprintd2(s, "concat\n%d %d ", pie->width, pie->height);
+	if (pim->ImageMask) {
+	    pputs(s, (pim->Decode[0] == 0 ? "false" : "true"));
+	    psw_put_matrix(s, &pim->ImageMatrix);
+	    pprints1(s, "%s imagemask\n", source);
+	} else {
+	    pprintd1(s, "%d", pim->BitsPerComponent);
+	    psw_put_matrix(s, &pim->ImageMatrix);
+	    if (index == gs_color_space_index_DeviceGray)
+		pprints1(s, "%s image\n", source);
+	    else {
+		if (format == gs_image_format_chunky)
+		    pprints1(s, "%s false", source);
+		else
+		    pprints2(s, "%s %strue", source,
+			     "dup dup dup " + (16 - num_components * 4));
+		pprintd1(s, " %d colorimage\n", num_components);
+	    }
+	}
+    }
+    return 0;
+}
+
+/* Process the next piece of an image. */
+private int
+psw_image_plane_data(gx_device * dev,
+ gx_image_enum_common_t * info, const gx_image_plane_t * planes, int height)
+{
+    gdev_vector_image_enum_t *pie = (gdev_vector_image_enum_t *) info;
+
+    if (pie->default_info)
+	return gx_image_plane_data(pie->default_info, planes, height);
+    gx_image_plane_data(pie->bbox_info, planes, height);
+    {
+	int pi;
+
+	for (pi = 0; pi < pie->num_planes; ++pi)
+	    psw_put_bits(pdev->image_stream, planes[pi].data,
+			 planes[pi].data_x * info->plane_depths[pi],
+			 planes[pi].raster,
+			 pie->width * info->plane_depths[pi],
+			 height);
+    }
+    return (pie->y += height) >= pie->height;
+}
+
+/* Clean up by releasing the buffers. */
+private int
+psw_image_end_image(gx_device * dev, gx_image_enum_common_t * info,
+		    bool draw_last)
+{
+    gdev_vector_image_enum_t *pie = (gdev_vector_image_enum_t *) info;
+    int code;
+
+    code = gdev_vector_end_image(vdev, pie, draw_last, pdev->white);
+    if (code > 0) {
+	psw_image_cleanup(pdev);
+	pputs(pdev->strm, "\nQ\n");
+    }
+    return code;
+}
diff --git a/pstoraster/gdevpsde.c b/pstoraster/gdevpsde.c
new file mode 100644
index 000000000..9389b60ab
--- /dev/null
+++ b/pstoraster/gdevpsde.c
@@ -0,0 +1,282 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Embedded font writing */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsccode.h"
+#include "gsmatrix.h"
+#include "gxfixed.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "stream.h"
+#include "gdevpstr.h"
+#include "gdevpsdf.h"
+
+private int
+embed_table(gs_param_list * plist, const char *key, const float *values,
+	    int count)
+{
+    if (count != 0) {
+	gs_param_float_array fa;
+
+	fa.size = count;
+	fa.data = values;
+	return param_write_float_array(plist, key, &fa);
+    }
+    return 0;
+}
+
+private void
+embed_uid(stream * s, const gs_uid * puid)
+{
+    if (uid_is_UniqueID(puid))
+	pprintld1(s, "/UniqueID %ld def\n", puid->id);
+    else if (uid_is_XUID(puid)) {
+	uint i, n = uid_XUID_size(puid);
+
+	pputs(s, "/XUID [");
+	for (i = 0; i < n; ++i)
+	    pprintld1(s, "%ld ", uid_XUID_values(puid)[i]);
+	pputs(s, "] def\n");
+    }
+}
+
+/* Write an embedded Type 1 font. */
+int
+psdf_embed_type1_font(stream * s, gs_font_type1 * pfont)
+{
+    const gs_type1_data *const pdata = &pfont->data;
+    gs_param_list *plist;
+    param_printer_params_t ppp;
+    int code;
+
+    ppp = param_printer_params_default;
+    ppp.item_suffix = " def\n";
+    code = psdf_alloc_param_printer(&plist, &ppp, s,
+				    print_binary_ok, s->memory);
+    if (code < 0)
+	return 0;
+
+    /* Write the font header. */
+
+    pputs(s, "%!PS-AdobeFont-1.0: ");
+    pwrite(s, pfont->font_name.chars, pfont->font_name.size);
+    pputs(s, "\n11 dict begin\n");
+
+    /* Write FontInfo.  Currently we don't write anything there. */
+
+    pputs(s, "/FontInfo 1 dict dup begin\n");
+    pputs(s, "end readonly def\n");
+
+    /* Write the main font dictionary. */
+
+    pputs(s, "/FontName /");
+    pwrite(s, pfont->font_name.chars, pfont->font_name.size);
+    pputs(s, " def\n");
+    pputs(s, "/Encoding ");
+    switch (pfont->encoding_index) {
+	case 0:
+	    pputs(s, "StandardEncoding");
+	    break;
+	case 1:
+	    pputs(s, "ISOLatin1Encoding");
+	    break;
+	default:{
+		gs_char i;
+
+		pputs(s, "256 array\n");
+		pputs(s, "0 1 255 {1 index exch /.notdef put} for\n");
+		for (i = 0; i < 256; ++i) {
+		    gs_glyph glyph =
+		    (*pfont->procs.encode_char) (NULL, (gs_font *) pfont, &i);
+		    const char *namestr;
+		    uint namelen;
+
+		    if (glyph != gs_no_glyph &&
+			(namestr = (*pfont->procs.callbacks.glyph_name) (glyph, &namelen)) != 0 &&
+			!(namelen == 7 && !memcmp(namestr, ".notdef", 7))
+			) {
+			pprintd1(s, "dup %d /", (int)i);
+			pwrite(s, namestr, namelen);
+			pputs(s, " put\n");
+		    }
+		}
+		pputs(s, "readonly");
+	    }
+    }
+    pputs(s, " def\n");
+    pprintg6(s, "/FontMatrix [%g %g %g %g %g %g] readonly def\n",
+	     pfont->FontMatrix.xx, pfont->FontMatrix.xy,
+	     pfont->FontMatrix.yx, pfont->FontMatrix.yy,
+	     pfont->FontMatrix.tx, pfont->FontMatrix.ty);
+    embed_uid(s, &pfont->UID);
+    pprintg4(s, "/FontBBox {%g %g %g %g} readonly def\n",
+	     pfont->FontBBox.p.x, pfont->FontBBox.p.y,
+	     pfont->FontBBox.q.x, pfont->FontBBox.q.y);
+    {
+	private const gs_param_item_t font_items[] =
+	{
+	    {"FontType", gs_param_type_int,
+	     offset_of(gs_font_type1, FontType)},
+	    {"PaintType", gs_param_type_int,
+	     offset_of(gs_font_type1, PaintType)},
+	    {"StrokeWidth", gs_param_type_float,
+	     offset_of(gs_font_type1, StrokeWidth)},
+	    gs_param_item_end
+	};
+
+	code = gs_param_write_items(plist, pfont, NULL, font_items);
+	if (code < 0)
+	    return code;
+    }
+    pputs(s, "currentdict end\n");
+
+    /* Write the Private dictionary. */
+
+    pputs(s, "dup /Private 17 dict dup begin\n");
+    pputs(s, "/-|{string currentfile exch readstring pop}executeonly def\n");
+    pputs(s, "/|-{noaccess def}executeonly def\n");
+    pputs(s, "/|{noaccess put}executeonly def\n");
+    {
+	private const gs_param_item_t private_items[] =
+	{
+	    {"lenIV", gs_param_type_int,
+	     offset_of(gs_type1_data, lenIV)},
+	    {"BlueFuzz", gs_param_type_int,
+	     offset_of(gs_type1_data, BlueFuzz)},
+	    {"BlueScale", gs_param_type_float,
+	     offset_of(gs_type1_data, BlueScale)},
+	    {"BlueShift", gs_param_type_float,
+	     offset_of(gs_type1_data, BlueShift)},
+	    {"ExpansionFactor", gs_param_type_float,
+	     offset_of(gs_type1_data, ExpansionFactor)},
+	    {"ForceBold", gs_param_type_bool,
+	     offset_of(gs_type1_data, ForceBold)},
+	    {"LanguageGroup", gs_param_type_int,
+	     offset_of(gs_type1_data, LanguageGroup)},
+	    {"RndStemUp", gs_param_type_bool,
+	     offset_of(gs_type1_data, RndStemUp)},
+	    gs_param_item_end
+	};
+	gs_type1_data defaults;
+
+	defaults.lenIV = 4;
+	defaults.BlueFuzz = 1;
+	defaults.BlueScale = 0.039625;
+	defaults.BlueShift = 7.0;
+	defaults.ExpansionFactor = 0.06;
+	defaults.ForceBold = false;
+	defaults.LanguageGroup = 0;
+	defaults.RndStemUp = true;
+	code = gs_param_write_items(plist, pdata, &defaults, private_items);
+	if (code < 0)
+	    return code;
+	embed_table(plist, "BlueValues", pdata->BlueValues.values,
+		    pdata->BlueValues.count);
+	embed_table(plist, "OtherBlues", pdata->OtherBlues.values,
+		    pdata->OtherBlues.count);
+	embed_table(plist, "FamilyBlues", pdata->FamilyBlues.values,
+		    pdata->FamilyBlues.count);
+	embed_table(plist, "FamilyOtherBlues", pdata->FamilyOtherBlues.values,
+		    pdata->FamilyOtherBlues.count);
+	embed_table(plist, "StdHW", pdata->StdHW.values,
+		    pdata->StdHW.count);
+	embed_table(plist, "StemSnapH", pdata->StemSnapH.values,
+		    pdata->StemSnapH.count);
+	embed_table(plist, "StemSnapV", pdata->StemSnapV.values,
+		    pdata->StemSnapV.count);
+    }
+    embed_uid(s, &pfont->UID);
+    pputs(s, "/MinFeature{16 16} |-\n");
+    pputs(s, "/password 5839 def\n");
+
+    /* Write the Subrs. */
+
+    {
+	int n, i;
+	gs_const_string str;
+
+	for (n = 0;
+	     (*pdata->procs->subr_data) (pfont, n, false, &str) !=
+	     gs_error_rangecheck;
+	    )
+	    ++n;
+	pprintd1(s, "/Subrs %d array\n", n);
+	for (i = 0; i < n; ++i)
+	    if ((*pdata->procs->subr_data) (pfont, i, false, &str) >= 0) {
+		char buf[50];
+
+		sprintf(buf, "dup %d %u -| ", i, str.size);
+		pputs(s, buf);
+		pwrite(s, str.data, str.size);
+		pputs(s, " |\n");
+	    }
+	pputs(s, "|-\n");
+    }
+
+    /* We don't write OtherSubrs -- there had better not be any! */
+
+    /* Write the CharStrings. */
+
+    {
+	int num_chars = 0;
+	gs_glyph glyph;
+	int index = 0;
+	gs_const_string gdata;
+	int code;
+
+	for (glyph = gs_no_glyph, index = 0;
+	     code = (*pdata->procs->next_glyph) (pfont, &index, &glyph),
+	     index != 0;
+	    )
+	    if (code == 0 && (*pdata->procs->glyph_data) (pfont, glyph, &gdata) >= 0)
+		++num_chars;
+	pprintd1(s, "2 index /CharStrings %d dict dup begin\n", num_chars);
+	for (glyph = gs_no_glyph, index = 0;
+	     code = (*pdata->procs->next_glyph) (pfont, &index, &glyph),
+	     index != 0;
+	    )
+	    if (code == 0 && (*pdata->procs->glyph_data) (pfont, glyph, &gdata) >= 0) {
+		uint gssize;
+		const char *gstr =
+		(*pfont->procs.callbacks.glyph_name) (glyph, &gssize);
+
+		pputs(s, "/");
+		pwrite(s, gstr, gssize);
+		pprintd1(s, " %d -| ", gdata.size);
+		pwrite(s, gdata.data, gdata.size);
+		pputs(s, " |-\n");
+	    }
+    }
+
+    /* Wrap up. */
+
+    pputs(s, "end\nend\nreadonly put\nnoaccess put\n");
+    pputs(s, "dup/FontName get exch definefont pop\n");
+    psdf_free_param_printer(plist);
+    return 0;
+}
diff --git a/pstoraster/gdevpsdf.c b/pstoraster/gdevpsdf.c
new file mode 100644
index 000000000..38e5f4098
--- /dev/null
+++ b/pstoraster/gdevpsdf.c
@@ -0,0 +1,514 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common utilities for PostScript and PDF writers */
+#include "string_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gdevpsdf.h"
+#include "gdevpstr.h"
+#include "scanchar.h"
+#include "strimpl.h"
+#include "sa85x.h"
+#include "scfx.h"
+#include "sstring.h"
+
+/* Structure descriptor */
+public_st_device_psdf();
+
+/* ---------------- Vector implementation procedures ---------------- */
+
+int
+psdf_setlinewidth(gx_device_vector * vdev, floatp width)
+{
+    pprintg1(gdev_vector_stream(vdev), "%g w\n", width);
+    return 0;
+}
+
+int
+psdf_setlinecap(gx_device_vector * vdev, gs_line_cap cap)
+{
+    pprintd1(gdev_vector_stream(vdev), "%d J\n", cap);
+    return 0;
+}
+
+int
+psdf_setlinejoin(gx_device_vector * vdev, gs_line_join join)
+{
+    pprintd1(gdev_vector_stream(vdev), "%d j\n", join);
+    return 0;
+}
+
+int
+psdf_setmiterlimit(gx_device_vector * vdev, floatp limit)
+{
+    pprintg1(gdev_vector_stream(vdev), "%g M\n", limit);
+    return 0;
+}
+
+int
+psdf_setdash(gx_device_vector * vdev, const float *pattern, uint count,
+	     floatp offset)
+{
+    stream *s = gdev_vector_stream(vdev);
+    int i;
+
+    pputs(s, "[ ");
+    for (i = 0; i < count; ++i)
+	pprintg1(s, "%g ", pattern[i]);
+    pprintg1(s, "] %g d\n", offset);
+    return 0;
+}
+
+int
+psdf_setflat(gx_device_vector * vdev, floatp flatness)
+{
+    pprintg1(gdev_vector_stream(vdev), "%g i\n", flatness);
+    return 0;
+}
+
+int
+psdf_setlogop(gx_device_vector * vdev, gs_logical_operation_t lop,
+	      gs_logical_operation_t diff)
+{
+/****** SHOULD AT LEAST DETECT SET-0 & SET-1 ******/
+    return 0;
+}
+
+int
+psdf_setfillcolor(gx_device_vector * vdev, const gx_drawing_color * pdc)
+{
+    return psdf_set_color(vdev, pdc, "rg");
+}
+
+int
+psdf_setstrokecolor(gx_device_vector * vdev, const gx_drawing_color * pdc)
+{
+    return psdf_set_color(vdev, pdc, "RG");
+}
+
+int
+psdf_dorect(gx_device_vector * vdev, fixed x0, fixed y0, fixed x1, fixed y1,
+	    gx_path_type_t type)
+{
+    int code = (*vdev_proc(vdev, beginpath)) (vdev, type);
+
+    if (code < 0)
+	return code;
+    pprintg4(gdev_vector_stream(vdev), "%g %g %g %g re\n",
+	     fixed2float(x0), fixed2float(y0),
+	     fixed2float(x1 - x0), fixed2float(y1 - y0));
+    return (*vdev_proc(vdev, endpath)) (vdev, type);
+}
+
+int
+psdf_beginpath(gx_device_vector * vdev, gx_path_type_t type)
+{
+    return 0;
+}
+
+int
+psdf_moveto(gx_device_vector * vdev, floatp x0, floatp y0, floatp x, floatp y,
+	    bool first, gx_path_type_t type)
+{
+    pprintg2(gdev_vector_stream(vdev), "%g %g m\n", x, y);
+    return 0;
+}
+
+int
+psdf_lineto(gx_device_vector * vdev, floatp x0, floatp y0, floatp x, floatp y,
+	    gx_path_type_t type)
+{
+    pprintg2(gdev_vector_stream(vdev), "%g %g l\n", x, y);
+    return 0;
+}
+
+int
+psdf_curveto(gx_device_vector * vdev, floatp x0, floatp y0,
+	   floatp x1, floatp y1, floatp x2, floatp y2, floatp x3, floatp y3,
+	     gx_path_type_t type)
+{
+    if (x1 == x0 && y1 == y0)
+	pprintg4(gdev_vector_stream(vdev), "%g %g %g %g v\n",
+		 x2, y2, x3, y3);
+    else if (x3 == x2 && y3 == y2)
+	pprintg4(gdev_vector_stream(vdev), "%g %g %g %g y\n",
+		 x1, y1, x2, y2);
+    else
+	pprintg6(gdev_vector_stream(vdev), "%g %g %g %g %g %g c\n",
+		 x1, y1, x2, y2, x3, y3);
+    return 0;
+}
+
+int
+psdf_closepath(gx_device_vector * vdev, floatp x0, floatp y0,
+	       floatp x_start, floatp y_start, gx_path_type_t type)
+{
+    pputs(gdev_vector_stream(vdev), "h\n");
+    return 0;
+}
+
+/* endpath is deliberately omitted. */
+
+/* ---------------- Utilities ---------------- */
+
+int
+psdf_set_color(gx_device_vector * vdev, const gx_drawing_color * pdc,
+	       const char *rgs)
+{
+    if (!gx_dc_is_pure(pdc))
+	return_error(gs_error_rangecheck);
+    {
+	stream *s = gdev_vector_stream(vdev);
+	gx_color_index color = gx_dc_pure_color(pdc);
+	float r = (color >> 16) / 255.0;
+	float g = ((color >> 8) & 0xff) / 255.0;
+	float b = (color & 0xff) / 255.0;
+
+	if (r == g && g == b)
+	    pprintg1(s, "%g", r), pprints1(s, " %s\n", rgs + 1);
+	else
+	    pprintg3(s, "%g %g %g", r, g, b), pprints1(s, " %s\n", rgs);
+    }
+    return 0;
+}
+
+/* ---------------- Binary data writing ---------------- */
+
+/* Begin writing binary data. */
+int
+psdf_begin_binary(gx_device_psdf * pdev, psdf_binary_writer * pbw)
+{
+    pbw->strm = pdev->strm;
+    pbw->dev = pdev;
+    /* If not binary, set up the encoding stream. */
+    if (!pdev->binary_ok)
+	psdf_encode_binary(pbw, &s_A85E_template, NULL);
+    return 0;
+}
+
+/* Add an encoding filter.  The client must have allocated the stream state, */
+/* if any, using pdev->v_memory. */
+int
+psdf_encode_binary(psdf_binary_writer * pbw, const stream_template * template,
+		   stream_state * ss)
+{
+    gx_device_psdf *pdev = pbw->dev;
+    gs_memory_t *mem = pdev->v_memory;
+    stream *es = s_alloc(mem, "psdf_encode_binary(stream)");
+    stream_state *ess = (ss == 0 ? (stream_state *) es : ss);
+    uint bsize = max(template->min_out_size, 256);	/* arbitrary */
+    byte *buf = gs_alloc_bytes(mem, bsize, "psdf_encode_binary(buf)");
+
+    if (es == 0 || buf == 0) {
+	gs_free_object(mem, buf, "psdf_encode_binary(buf)");
+	gs_free_object(mem, es, "psdf_encode_binary(stream)");
+	return_error(gs_error_VMerror);
+    }
+    if (ess == 0)
+	ess = (stream_state *) es;
+    s_std_init(es, buf, bsize, &s_filter_write_procs, s_mode_write);
+    ess->template = template;
+    ess->memory = mem;
+    es->procs.process = template->process;
+    es->memory = mem;
+    es->state = ess;
+    if (template->init)
+	(*template->init) (ess);
+    es->strm = pbw->strm;
+    pbw->strm = es;
+    return 0;
+}
+
+/* Add a 2-D CCITTFax encoding filter. */
+int
+psdf_CFE_binary(psdf_binary_writer * pbw, int w, int h, bool invert)
+{
+    gx_device_psdf *pdev = pbw->dev;
+    gs_memory_t *mem = pdev->v_memory;
+    const stream_template *template = &s_CFE_template;
+    stream_CFE_state *st =
+    gs_alloc_struct(mem, stream_CFE_state, template->stype,
+		    "psdf_CFE_binary");
+    int code;
+
+    if (st == 0)
+	return_error(gs_error_VMerror);
+    (*template->set_defaults) ((stream_state *) st);
+    st->K = -1;
+    st->Columns = w;
+    st->Rows = h;
+    st->BlackIs1 = !invert;
+    code = psdf_encode_binary(pbw, template, (stream_state *) st);
+    if (code < 0)
+	gs_free_object(mem, st, "psdf_CFE_binary");
+    return code;
+}
+
+/* Finish writing binary data. */
+int
+psdf_end_binary(psdf_binary_writer * pbw)
+{
+    gx_device_psdf *pdev = pbw->dev;
+
+    /* Close the filters in reverse order. */
+    /* Stop before we try to close the file stream. */
+    while (pbw->strm != pdev->strm) {
+	stream *next = pbw->strm->strm;
+
+	sclose(pbw->strm);
+	pbw->strm = next;
+    }
+    return 0;
+}
+
+/*
+ * Write a string in its shortest form ( () or <> ).  Note that
+ * this form is different depending on whether binary data are allowed.
+ * Currently we don't support ASCII85 strings ( <~ ~> ).
+ */
+void
+psdf_write_string(stream * s, const byte * str, uint size, int print_ok)
+{
+    uint added = 0;
+    uint i;
+    const stream_template *template;
+    stream_AXE_state state;
+    stream_state *st = NULL;
+
+    if (print_ok & print_binary_ok) {	/* Only need to escape (, ), \, CR, EOL. */
+	pputc(s, '(');
+	for (i = 0; i < size; ++i) {
+	    byte ch = str[i];
+
+	    switch (ch) {
+		case char_CR:
+		    pputs(s, "\\r");
+		    continue;
+		case char_EOL:
+		    pputs(s, "\\n");
+		    continue;
+		case '(':
+		case ')':
+		case '\\':
+		    pputc(s, '\\');
+	    }
+	    pputc(s, ch);
+	}
+	pputc(s, ')');
+	return;
+    }
+    for (i = 0; i < size; ++i) {
+	byte ch = str[i];
+
+	if (ch == 0 || ch >= 127)
+	    added += 3;
+	else if (strchr("()\\\n\r\t\b\f", ch) != 0)
+	    ++added;
+	else if (ch < 32)
+	    added += 3;
+    }
+
+    if (added < size) {		/* More efficient to represent as PostScript string. */
+	template = &s_PSSE_template;
+	pputc(s, '(');
+    } else {			/* More efficient to represent as hex string. */
+	template = &s_AXE_template;
+	st = (stream_state *) & state;
+	s_AXE_init_inline(&state);
+	pputc(s, '<');
+    }
+
+    {
+	byte buf[100];		/* size is arbitrary */
+	stream_cursor_read r;
+	stream_cursor_write w;
+	int status;
+
+	r.ptr = str - 1;
+	r.limit = r.ptr + size;
+	w.limit = buf + sizeof(buf) - 1;
+	do {
+	    w.ptr = buf - 1;
+	    status = (*template->process) (st, &r, &w, true);
+	    pwrite(s, buf, (uint) (w.ptr + 1 - buf));
+	}
+	while (status == 1);
+    }
+}
+
+/* Set up a write stream that just keeps track of the position. */
+int
+psdf_alloc_position_stream(stream ** ps, gs_memory_t * mem)
+{
+    stream *s = *ps = s_alloc(mem, "psdf_alloc_position_stream");
+
+    if (s == 0)
+	return_error(gs_error_VMerror);
+    swrite_position_only(s);
+    return 0;
+}
+
+/* ---------------- Parameter printing ---------------- */
+
+typedef struct printer_param_list_s {
+    gs_param_list_common;
+    stream *strm;
+    param_printer_params_t params;
+    int print_ok;
+    bool any;
+} printer_param_list_t;
+
+gs_private_st_ptrs1(st_printer_param_list, printer_param_list_t,
+  "printer_param_list_t", printer_plist_enum_ptrs, printer_plist_reloc_ptrs,
+		    strm);
+const param_printer_params_t param_printer_params_default =
+{
+    param_printer_params_default_values
+};
+
+/* We'll implement the other printers later if we have to. */
+private param_proc_xmit_typed(param_print_typed);
+/*private param_proc_begin_xmit_collection(param_print_begin_collection); */
+/*private param_proc_end_xmit_collection(param_print_end_collection); */
+private const gs_param_list_procs printer_param_list_procs = {
+    param_print_typed,
+    NULL /* begin_collection */ ,
+    NULL /* end_collection */ ,
+    NULL /* get_next_key */ ,
+    gs_param_request_default,
+    gs_param_requested_default
+};
+
+int
+psdf_alloc_param_printer(gs_param_list ** pplist,
+			 const param_printer_params_t * ppp, stream * s,
+			 int print_ok, gs_memory_t * mem)
+{
+    printer_param_list_t *prlist =
+    gs_alloc_struct(mem, printer_param_list_t, &st_printer_param_list,
+		    "psdf_alloc_param_printer");
+
+    *pplist = (gs_param_list *) prlist;
+    if (prlist == 0)
+	return_error(gs_error_VMerror);
+    prlist->procs = &printer_param_list_procs;
+    prlist->memory = mem;
+    prlist->strm = s;
+    prlist->params = *ppp;
+    prlist->print_ok = print_ok;
+    prlist->any = false;
+    return 0;
+}
+
+void
+psdf_free_param_printer(gs_param_list * plist)
+{
+    if (plist) {
+	printer_param_list_t *prlist = (printer_param_list_t *) plist;
+
+	if (prlist->any && prlist->params.suffix)
+	    pputs(prlist->strm, prlist->params.suffix);
+	gs_free_object(prlist->memory, plist, "psdf_free_param_printer");
+    }
+}
+
+#define prlist ((printer_param_list_t *)plist)
+private int
+param_print_typed(gs_param_list * plist, gs_param_name pkey,
+		  gs_param_typed_value * pvalue)
+{
+    stream *s = prlist->strm;
+
+    if (!prlist->any) {
+	if (prlist->params.prefix)
+	    pputs(s, prlist->params.prefix);
+	prlist->any = true;
+    }
+    if (prlist->params.item_prefix)
+	pputs(s, prlist->params.item_prefix);
+    pprints1(s, "/%s", pkey);
+    switch (pvalue->type) {
+	case gs_param_type_null:
+	    pputs(s, " null");
+	    break;
+	case gs_param_type_bool:
+	    pputs(s, (pvalue->value.b ? " true" : " false"));
+	    break;
+	case gs_param_type_int:
+	    pprintd1(s, " %d", pvalue->value.i);
+	    break;
+	case gs_param_type_long:
+	    pprintld1(s, " %l", pvalue->value.l);
+	    break;
+	case gs_param_type_float:
+	    pprintg1(s, " %g", pvalue->value.f);
+	    break;
+	case gs_param_type_string:
+	    psdf_write_string(s, pvalue->value.s.data, pvalue->value.s.size,
+			      prlist->print_ok);
+	    break;
+	case gs_param_type_name:
+/****** SHOULD USE #-ESCAPES FOR PDF ******/
+	    pputc(s, '/');
+	    pwrite(s, pvalue->value.n.data, pvalue->value.n.size);
+	    break;
+	case gs_param_type_int_array:
+	    {
+		uint i;
+		char sepr = (pvalue->value.ia.size <= 10 ? ' ' : '\n');
+
+		pputc(s, '[');
+		for (i = 0; i < pvalue->value.ia.size; ++i) {
+		    pprintd1(s, "%d", pvalue->value.ia.data[i]);
+		    pputc(s, sepr);
+		}
+		pputc(s, ']');
+	    }
+	    break;
+	case gs_param_type_float_array:
+	    {
+		uint i;
+		char sepr = (pvalue->value.fa.size <= 10 ? ' ' : '\n');
+
+		pputc(s, '[');
+		for (i = 0; i < pvalue->value.fa.size; ++i) {
+		    pprintg1(s, "%g", pvalue->value.fa.data[i]);
+		    pputc(s, sepr);
+		}
+		pputc(s, ']');
+	    }
+	    break;
+	    /*case gs_param_type_string_array: */
+	    /*case gs_param_type_name_array: */
+	default:
+	    return_error(gs_error_typecheck);
+    }
+    if (prlist->params.item_suffix)
+	pputs(s, prlist->params.item_suffix);
+    return 0;
+}
+
+#undef prlist
diff --git a/pstoraster/gdevpsdf.h b/pstoraster/gdevpsdf.h
new file mode 100644
index 000000000..1e814a52f
--- /dev/null
+++ b/pstoraster/gdevpsdf.h
@@ -0,0 +1,292 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common output syntax and parameters for PostScript and PDF writers */
+
+#ifndef gdevpsdf_INCLUDED
+#  define gdevpsdf_INCLUDED
+
+#include "gdevvec.h"
+#include "gsparam.h"
+#include "strimpl.h"
+#include "scfx.h"
+
+/* ---------------- Distiller parameters ---------------- */
+
+/* Parameters for controlling distillation of images. */
+typedef struct psdf_image_params_s {
+    stream_state *ACSDict;	/* JPEG */
+    bool AntiAlias;
+    bool AutoFilter;
+    int Depth;
+    stream_state *Dict;		/* JPEG or CCITTFax */
+    bool Downsample;
+    enum psdf_downsample_type {
+	ds_Average,
+	ds_Subsample
+    } DownsampleType;
+    bool Encode;
+    const char *Filter;
+    int Resolution;
+    const stream_template *filter_template;
+} psdf_image_params;
+
+#define psdf_image_param_defaults(af, res, f, ft)\
+  NULL/*ACSDict*/, 0/*false*/, af, -1, NULL/*Dict*/, 0/*false*/,\
+  ds_Subsample, 1/*true*/, f, res, ft
+
+/* Declare templates for default image compression filters. */
+extern const stream_template s_CFE_template;
+
+/* Complete distiller parameters. */
+typedef struct psdf_distiller_params_s {
+
+    /* General parameters */
+
+    bool ASCII85EncodePages;
+    enum psdf_auto_rotate_pages {
+	arp_None,
+	arp_All,
+	arp_PageByPage
+    } AutoRotatePages;
+    bool CompressPages;
+    long ImageMemory;
+    bool LZWEncodePages;
+    bool PreserveHalftoneInfo;
+    bool PreserveOPIComments;
+    bool PreserveOverprintSettings;
+    enum psdf_transfer_function_info {
+	tfi_Preserve,
+	tfi_Apply,
+	tfi_Remove
+    } TransferFunctionInfo;
+    enum psdf_ucr_and_bg_info {
+	ucrbg_Preserve,
+	ucrbg_Remove
+    } UCRandBGInfo;
+    bool UseFlateCompression;
+#define psdf_general_param_defaults(ascii)\
+  ascii, arp_None, 1/*true*/, 250000, 0/*false*/,\
+  0/*false*/, 0/*false*/, 0/*false*/, tfi_Apply, ucrbg_Remove, 1	/*true */
+
+    /* Color sampled image parameters */
+
+    psdf_image_params ColorImage;
+    enum psdf_color_conversion_strategy {
+	ccs_LeaveColorUnchanged,
+	ccs_UseDeviceDependentColor,
+	ccs_UseDeviceIndependentColor
+    } ColorConversionStrategy;
+    bool ConvertCMYKImagesToRGB;
+    bool ConvertImagesToIndexed;
+#define psdf_color_image_param_defaults\
+  { psdf_image_param_defaults(1/*true*/, 72, 0, 0) },\
+  ccs_LeaveColorUnchanged, 1/*true*/, 0		/*false */
+
+    /* Grayscale sampled image parameters */
+
+    psdf_image_params GrayImage;
+#define psdf_gray_image_param_defaults\
+  { psdf_image_param_defaults(1/*true*/, 72, 0, 0) }
+
+    /* Monochrome sampled image parameters */
+
+    psdf_image_params MonoImage;
+#define psdf_mono_image_param_defaults\
+  { psdf_image_param_defaults(0/*false*/, 300, "CCITTFaxEncode", &s_CFE_template) }
+
+    /* Font embedding parameters */
+
+    gs_param_string_array AlwaysEmbed;
+    gs_param_string_array NeverEmbed;
+    bool EmbedAllFonts;
+    bool SubsetFonts;
+    int MaxSubsetPct;
+#define psdf_font_param_defaults\
+  	    { 0, 0, 1/*true*/ }, { 0, 0, 1/*true*/ },\
+	   1/*true*/, 1/*true*/, 20
+
+} psdf_distiller_params;
+
+/* Define PostScript/PDF versions, corresponding roughly to Adobe versions. */
+typedef enum {
+    psdf_version_level1 = 1000,	/* Red Book Level 1 */
+    psdf_version_level1_color = 1100,	/* Level 1 + colorimage + CMYK color */
+    psdf_version_level2 = 2000,	/* Red Book Level 2 */
+    psdf_version_level2_plus = 2017,	/* Adobe release 2017 */
+    psdf_version_ll3 = 3010	/* LanguageLevel 3, release 3010 */
+} psdf_version;
+
+/* Define the extended device structure. */
+#define gx_device_psdf_common\
+	gx_device_vector_common;\
+	psdf_version version;\
+	bool binary_ok;		/* derived from ASCII85EncodePages */\
+	psdf_distiller_params params
+typedef struct gx_device_psdf_s {
+    gx_device_psdf_common;
+} gx_device_psdf;
+
+#define psdf_initial_values(version, ascii)\
+	vector_initial_values,\
+	version,\
+	!(ascii),\
+	 { psdf_general_param_defaults(ascii),\
+	   psdf_color_image_param_defaults,\
+	   psdf_gray_image_param_defaults,\
+	   psdf_mono_image_param_defaults,\
+	   psdf_font_param_defaults\
+	 }
+
+/* st_device_psdf is never instantiated per se, but we still need to */
+/* extern its descriptor for the sake of subclasses. */
+extern_st(st_device_psdf);
+#define public_st_device_psdf()	/* in gdevpsdf.c */\
+  gs_public_st_suffix_add0_final(st_device_psdf, gx_device_psdf,\
+    "gx_device_psdf", device_psdf_enum_ptrs,\
+    device_psdf_reloc_ptrs, gx_device_finalize, st_device_vector)
+#define st_device_psdf_max_ptrs (st_device_vector_max_ptrs)
+
+/* Get/put parameters. */
+dev_proc_get_params(gdev_psdf_get_params);
+dev_proc_put_params(gdev_psdf_put_params);
+
+/* Put a Boolean or integer parameter. */
+int psdf_put_bool_param(P4(gs_param_list * plist, gs_param_name param_name,
+			   bool * pval, int ecode));
+int psdf_put_int_param(P4(gs_param_list * plist, gs_param_name param_name,
+			  int *pval, int ecode));
+
+/* ---------------- Vector implementation procedures ---------------- */
+
+	/* Imager state */
+int psdf_setlinewidth(P2(gx_device_vector * vdev, floatp width));
+int psdf_setlinecap(P2(gx_device_vector * vdev, gs_line_cap cap));
+int psdf_setlinejoin(P2(gx_device_vector * vdev, gs_line_join join));
+int psdf_setmiterlimit(P2(gx_device_vector * vdev, floatp limit));
+int psdf_setdash(P4(gx_device_vector * vdev, const float *pattern,
+		    uint count, floatp offset));
+int psdf_setflat(P2(gx_device_vector * vdev, floatp flatness));
+int psdf_setlogop(P3(gx_device_vector * vdev, gs_logical_operation_t lop,
+		     gs_logical_operation_t diff));
+
+	/* Other state */
+int psdf_setfillcolor(P2(gx_device_vector * vdev, const gx_drawing_color * pdc));
+int psdf_setstrokecolor(P2(gx_device_vector * vdev, const gx_drawing_color * pdc));
+
+	/* Paths */
+#define psdf_dopath gdev_vector_dopath
+int psdf_dorect(P6(gx_device_vector * vdev, fixed x0, fixed y0, fixed x1,
+		   fixed y1, gx_path_type_t type));
+int psdf_beginpath(P2(gx_device_vector * vdev, gx_path_type_t type));
+int psdf_moveto(P7(gx_device_vector * vdev, floatp x0, floatp y0,
+		   floatp x, floatp y, bool first, gx_path_type_t type));
+int psdf_lineto(P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		   floatp x, floatp y, gx_path_type_t type));
+int psdf_curveto(P10(gx_device_vector * vdev, floatp x0, floatp y0,
+		     floatp x1, floatp y1, floatp x2,
+		     floatp y2, floatp x3, floatp y3, gx_path_type_t type));
+int psdf_closepath(P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		      floatp x_start, floatp y_start, gx_path_type_t type));
+
+/* ---------------- Binary (image) data procedures ---------------- */
+
+/* Define the structure for writing binary data. */
+typedef struct psdf_binary_writer_s {
+    stream *strm;
+    gx_device_psdf *dev;
+} psdf_binary_writer;
+
+/* Begin writing binary data. */
+int psdf_begin_binary(P2(gx_device_psdf * pdev, psdf_binary_writer * pbw));
+
+/* Add an encoding filter.  The client must have allocated the stream state, */
+/* if any, using pdev->v_memory. */
+int psdf_encode_binary(P3(psdf_binary_writer * pbw,
+		      const stream_template * template, stream_state * ss));
+
+/* Add a 2-D CCITTFax encoding filter. */
+int psdf_CFE_binary(P4(psdf_binary_writer * pbw, int w, int h, bool invert));
+
+/* Set up compression and downsampling filters for an image. */
+/* Note that this may modify the image parameters. */
+/* If pctm is NULL, downsampling is not used. */
+/* pis only provides UCR and BG information for CMYK => RGB conversion. */
+int psdf_setup_image_filters(P5(gx_device_psdf * pdev, psdf_binary_writer * pbw,
+				gs_image_t * pim, const gs_matrix * pctm,
+				const gs_imager_state * pis));
+
+/* Finish writing binary data. */
+int psdf_end_binary(P1(psdf_binary_writer * pbw));
+
+/* ------ Symbolic data printing ------ */
+
+/* Print a PostScript string in the most efficient form. */
+#define print_binary_ok 1
+#define print_ASCII85_ok 2
+void psdf_write_string(P4(stream * s, const byte * str, uint size,
+			  int print_ok));
+
+/*
+ * Create a stream that just keeps track of how much has been written
+ * to it.  We use this for measuring data that will be stored rather
+ * than written to an actual stream.  This too should probably migrate
+ * to stream.c....
+ */
+int psdf_alloc_position_stream(P2(stream ** ps, gs_memory_t * mem));
+
+/*
+ * Create/release a parameter list for printing (non-default) filter
+ * parameters.  This should probably migrate to a lower level....
+ */
+typedef struct param_printer_params_s {
+    const char *prefix;		/* before entire object, if any params */
+    const char *suffix;		/* after entire object, if any params */
+    const char *item_prefix;	/* before each param */
+    const char *item_suffix;	/* after each param */
+} param_printer_params_t;
+
+#define param_printer_params_default_values 0, 0, 0, "\n"
+extern const param_printer_params_t param_printer_params_default;
+int psdf_alloc_param_printer(P5(gs_param_list ** pplist,
+			     const param_printer_params_t * ppp, stream * s,
+				int print_ok, gs_memory_t * mem));
+void psdf_free_param_printer(P1(gs_param_list * plist));
+
+/* Write out a Type 1 font definition. */
+#ifndef gs_font_type1_DEFINED
+#  define gs_font_type1_DEFINED
+typedef struct gs_font_type1_s gs_font_type1;
+
+#endif
+int psdf_embed_type1_font(P2(stream * s, gs_font_type1 * pfont));
+
+/* ---------------- Other procedures ---------------- */
+
+/* Set the fill or stroke color.  rgs is "rg" or "RG". */
+int psdf_set_color(P3(gx_device_vector * vdev, const gx_drawing_color * pdc,
+		      const char *rgs));
+
+#endif /* gdevpsdf_INCLUDED */
diff --git a/pstoraster/gdevpsdi.c b/pstoraster/gdevpsdi.c
new file mode 100644
index 000000000..e93f61d33
--- /dev/null
+++ b/pstoraster/gdevpsdi.c
@@ -0,0 +1,349 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image compression for PostScript and PDF writers */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gscspace.h"
+#include "gdevpsdf.h"
+#include "gdevpsds.h"
+#include "strimpl.h"
+#include "scfx.h"
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+#include "jpeglib.h"		/* for sdct.h */
+#include "sdct.h"
+#endif /* HAVE_LIBJPEG */
+#include "slzwx.h"
+#include "spngpx.h"
+#include "srlx.h"
+#ifdef HAVE_LIBZ
+#include "szlibx.h"
+#endif /* HAVE_LIBZ */
+
+/* ---------------- Image compression ---------------- */
+
+/* Add a filter to expand or reduce the pixel width if needed. */
+/* At least one of bpc_in and bpc_out is 8; the other is 1, 2, 4, or 8. */
+private int
+pixel_resize(psdf_binary_writer * pbw, int width, int num_components,
+	     int bpc_in, int bpc_out)
+{
+    gs_memory_t *mem = pbw->dev->v_memory;
+    const stream_template *template;
+    stream_1248_state *st;
+    int code;
+
+    if (bpc_out == bpc_in)
+	return 0;
+    if (bpc_in < 8) {
+	static const stream_template *const exts[5] =
+	{
+	    0, &s_1_8_template, &s_2_8_template, 0, &s_4_8_template
+	};
+
+	template = exts[bpc_in];
+    } else {
+	static const stream_template *const rets[5] =
+	{
+	    0, &s_8_1_template, &s_8_2_template, 0, &s_8_4_template
+	};
+
+	template = rets[bpc_out];
+    }
+    st = (stream_1248_state *)
+	s_alloc_state(mem, template->stype, "pixel_resize state");
+    if (st == 0)
+	return_error(gs_error_VMerror);
+    code = psdf_encode_binary(pbw, template, (stream_state *) st);
+    if (code < 0) {
+	gs_free_object(mem, st, "pixel_resize state");
+	return code;
+    }
+    s_1248_init(st, width, num_components);
+    return 0;
+}
+
+/* Add the appropriate image compression filter, if any. */
+private int
+setup_image_compression(psdf_binary_writer * pbw, const psdf_image_params * pdip,
+			const gs_image_t * pim)
+{
+    gx_device_psdf *pdev = pbw->dev;
+    const stream_template *template = pdip->filter_template;
+    stream_state *st;
+
+    if (pdip->AutoFilter) {
+	/****** AutoFilter IS NYI ******/
+	/*
+	 * Even though this isn't obvious from the Adobe Tech Note,
+	 * it appears that if UseFlateCompression is true, the default
+	 * compressor for AutoFilter is FlateEncode, not LZWEncode.
+	 */
+#ifdef HAVE_LIBZ
+	template =
+	    (pdev->params.UseFlateCompression &&
+	     pdev->version >= psdf_version_ll3 ?
+	     &s_zlibE_template : &s_LZWE_template);
+#else
+	template = &s_LZWE_template;
+#endif /* HAVE_LIBZ */
+    }
+    if (!pdip->Encode || template == 0)		/* no compression */
+	return 0;
+#ifdef HAVE_LIBJPEG
+    /* Only use DCTE for 8-bit data. */
+    if (template == &s_DCTE_template &&
+	!(pdip->Downsample ?
+	  pdip->Depth == 8 ||
+	  (pdip->Depth == -1 && pim->BitsPerComponent == 8) :
+	  pim->BitsPerComponent == 8)
+	) {
+	/* Use LZW instead. */
+	template = &s_LZWE_template;
+    }
+#endif /* HAVE_LIBJPEG */
+    st = s_alloc_state(pdev->v_memory, template->stype,
+		       "setup_image_compression");
+    if (st == 0)
+	return_error(gs_error_VMerror);
+    if (template->set_defaults)
+	(*template->set_defaults) (st);
+    if (template == &s_CFE_template) {
+	stream_CFE_state *const ss = (stream_CFE_state *) st;
+
+	if (pdip->Dict != 0 && pdip->Dict->template == &s_CFE_template) {
+	    stream_state common;
+
+	    common = *st;	/* save generic info */
+	    *ss = *(const stream_CFE_state *)pdip->Dict;
+	    *st = common;
+	} else {
+	    ss->K = -1;
+	    ss->BlackIs1 = true;
+	}
+	ss->Columns = pim->Width;
+	ss->Rows = (ss->EndOfBlock ? 0 : pim->Height);
+#ifdef HAVE_LIBZ
+    } else if (template == &s_LZWE_template ||
+	       template == &s_zlibE_template) {
+#else
+    } else if (template == &s_LZWE_template) {
+#endif /* HAVE_LIBZ */
+	/* Add a PNGPredictor filter. */
+	int code = psdf_encode_binary(pbw, template, st);
+
+	if (code < 0) {
+	    gs_free_object(pdev->v_memory, st, "setup_image_compression");
+	    return code;
+	}
+	template = &s_PNGPE_template;
+	st = s_alloc_state(pdev->v_memory, template->stype,
+			   "setup_image_compression");
+	if (st == 0)
+	    return_error(gs_error_VMerror);
+	if (template->set_defaults)
+	    (*template->set_defaults) (st);
+	{
+	    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+
+	    ss->Colors = gs_color_space_num_components(pim->ColorSpace);
+	    ss->Columns = pim->Width;
+	}
+#ifdef HAVE_LIBJPEG
+    } else if (template == &s_DCTE_template) {
+	/****** ADD PARAMETERS FROM pdip->Dict ******/
+#endif /* HAVE_LIBJPEG */
+    } {
+	int code = psdf_encode_binary(pbw, template, st);
+
+	if (code < 0) {
+	    gs_free_object(pdev->v_memory, st, "setup_image_compression");
+	    return code;
+	}
+    }
+    return 0;
+}
+
+/* Add downsampling, antialiasing, and compression filters. */
+/* Uses AntiAlias, Depth, DownsampleType, Resolution. */
+private int
+setup_downsampling(psdf_binary_writer * pbw, const psdf_image_params * pdip,
+		   gs_image_t * pim, floatp resolution)
+{
+    gx_device_psdf *pdev = pbw->dev;
+    const stream_template *template =
+	(pdip->DownsampleType == ds_Average ?
+	 &s_Average_template : &s_Subsample_template);
+    int factor = (int)(resolution / pdip->Resolution);
+    int orig_bpc = pim->BitsPerComponent;
+    int orig_width = pim->Width;
+    int orig_height = pim->Height;
+    stream_state *st;
+    int code;
+
+    if (factor <= 1 || pim->Width < factor || pim->Height < factor)
+	return setup_image_compression(pbw, pdip, pim);		/* no downsampling */
+    st = s_alloc_state(pdev->v_memory, template->stype,
+		       "setup_downsampling");
+    if (st == 0)
+	return_error(gs_error_VMerror);
+    if (template->set_defaults)
+	(*template->set_defaults) (st);
+    {
+	stream_Downsample_state *const ss = (stream_Downsample_state *) st;
+
+	ss->Colors = gs_color_space_num_components(pim->ColorSpace);
+	ss->Columns = pim->Width;
+	ss->XFactor = ss->YFactor = factor;
+	ss->AntiAlias = pdip->AntiAlias;
+	if (template->init)
+	    (*template->init) (st);
+	pim->Width /= factor;
+	pim->Height /= factor;
+	pim->BitsPerComponent = pdip->Depth;
+	gs_matrix_scale(&pim->ImageMatrix, (double)pim->Width / orig_width,
+			(double)pim->Height / orig_height,
+			&pim->ImageMatrix);
+	/****** NO ANTI-ALIASING YET ******/
+	if ((code = setup_image_compression(pbw, pdip, pim)) < 0 ||
+	    (code = pixel_resize(pbw, pim->Width, ss->Colors,
+				 8, pdip->Depth)) < 0 ||
+	    (code = psdf_encode_binary(pbw, template, st)) < 0 ||
+	    (code = pixel_resize(pbw, orig_width, ss->Colors,
+				 orig_bpc, 8)) < 0
+	    ) {
+	    gs_free_object(pdev->v_memory, st, "setup_image_compression");
+	    return code;
+	}
+    }
+    return 0;
+}
+
+/* Set up compression and downsampling filters for an image. */
+/* Note that this may modify the image parameters. */
+int
+psdf_setup_image_filters(gx_device_psdf * pdev, psdf_binary_writer * pbw,
+			 gs_image_t * pim, const gs_matrix * pctm,
+			 const gs_imager_state * pis)
+{	/*
+	 * The following algorithms are per Adobe Tech Note # 5151,
+	 * "Acrobat Distiller Parameters", revised 16 September 1996
+	 * for Acrobat(TM) Distiller(TM) 3.0.
+	 *
+	 * The control structure is a little tricky, because filter
+	 * pipelines must be constructed back-to-front.
+	 */
+    int code = 0;
+    psdf_image_params params;
+
+    if (pim->ImageMask) {
+	params = pdev->params.MonoImage;
+	params.Depth = 1;
+    } else {
+	int ncomp = gs_color_space_num_components(pim->ColorSpace);
+	int bpc = pim->BitsPerComponent;
+
+	/*
+	 * We can compute the image resolution by:
+	 *    W / (W * ImageMatrix^-1 * CTM / HWResolution).
+	 * We can replace W by 1 to simplify the computation.
+	 */
+	double resolution;
+
+	if (pctm == 0)
+	    resolution = -1;
+	else {
+	    gs_point pt;
+
+	    /* We could do both X and Y, but why bother? */
+	    gs_distance_transform_inverse(1.0, 0.0, &pim->ImageMatrix, &pt);
+	    gs_distance_transform(pt.x, pt.y, pctm, &pt);
+	    resolution = 1.0 / hypot(pt.x / pdev->HWResolution[0],
+				     pt.y / pdev->HWResolution[1]);
+	}
+	if (ncomp == 1) {
+	    /* Monochrome or gray */
+	    if (bpc == 1)
+		params = pdev->params.MonoImage;
+	    else
+		params = pdev->params.GrayImage;
+	    if (params.Depth == -1)
+		params.Depth = bpc;
+	    /* Check for downsampling. */
+	    if (params.Downsample && params.Resolution <= resolution / 2) {
+		/* Use the downsampled depth, not the original data depth. */
+		if (params.Depth == 1) {
+		    params.Filter = pdev->params.MonoImage.Filter;
+		    params.filter_template = pdev->params.MonoImage.filter_template;
+		    params.Dict = pdev->params.MonoImage.Dict;
+		} else {
+		    params.Filter = pdev->params.GrayImage.Filter;
+		    params.filter_template = pdev->params.GrayImage.filter_template;
+		    params.Dict = pdev->params.GrayImage.Dict;
+		}
+		code = setup_downsampling(pbw, &params, pim, resolution);
+	    } else {
+		code = setup_image_compression(pbw, &params, pim);
+	    }
+	} else {
+	    /* Color */
+	    bool cmyk_to_rgb =
+		pdev->params.ConvertCMYKImagesToRGB &&
+		pis != 0 &&
+		gs_color_space_get_index(pim->ColorSpace) ==
+		  gs_color_space_index_DeviceCMYK;
+
+	    if (cmyk_to_rgb)
+		pim->ColorSpace = gs_cspace_DeviceRGB(pis);
+	    params = pdev->params.ColorImage;
+	    if (params.Depth == -1)
+		params.Depth = (cmyk_to_rgb ? 8 : bpc);
+	    if (params.Downsample && params.Resolution <= resolution / 2) {
+		code = setup_downsampling(pbw, &params, pim, resolution);
+	    } else {
+		code = setup_image_compression(pbw, &params, pim);
+	    }
+	    if (cmyk_to_rgb) {
+		gs_memory_t *mem = pdev->v_memory;
+		stream_C2R_state *ss = (stream_C2R_state *)
+		s_alloc_state(mem, s_C2R_template.stype, "C2R state");
+		int code = pixel_resize(pbw, pim->Width, 3, 8, bpc);
+
+		if (code < 0 ||
+		    (code = psdf_encode_binary(pbw, &s_C2R_template,
+					       (stream_state *) ss)) < 0 ||
+		    (code = pixel_resize(pbw, pim->Width, 4, bpc, 8)) < 0
+		    )
+		    return code;
+		s_C2R_init(ss, pis);
+	    }
+	}
+    }
+    return code;
+}
diff --git a/pstoraster/gdevpsdp.c b/pstoraster/gdevpsdp.c
new file mode 100644
index 000000000..346c76e45
--- /dev/null
+++ b/pstoraster/gdevpsdp.c
@@ -0,0 +1,705 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* (Distiller) parameter handling for PostScript and PDF writers */
+#include "string_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gdevpsdf.h"
+#include "gdevpstr.h"
+#include "strimpl.h"		/* for short-sighted compilers */
+#include "scfx.h"
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+#include "jpeglib.h"		/* for sdct.h */
+#include "sdct.h"
+#endif /* HAVE_LIBJPEG */
+#include "slzwx.h"
+#include "srlx.h"
+#ifdef HAVE_LIBZ
+#include "szlibx.h"
+#endif /* HAVE_LIBZ */
+
+/* ---------------- Get/put Distiller parameters ---------------- */
+
+/*
+ * This code handles all the Distiller parameters except the *ACSDict and
+ * *ImageDict parameter dictionaries.  (It doesn't cause any of the
+ * parameters actually to have any effect.)
+ */
+
+typedef struct psdf_image_filter_name_s {
+    const char *pname;
+    const stream_template *template;
+    psdf_version min_version;
+} psdf_image_filter_name;
+typedef struct psdf_image_param_names_s {
+    const char *ACSDict;	/* not used for mono */
+    const char *AntiAlias;
+    const char *AutoFilter;	/* not used for mono */
+    const char *Depth;
+    const char *Dict;
+    const char *Downsample;
+    const char *DownsampleType;
+    const char *Encode;
+    const char *Filter;
+    const char *Resolution;
+} psdf_image_param_names;
+private const psdf_image_param_names Color_names =
+{
+    "ColorACSImageDict", "AntiAliasColorImages", "AutoFilterColorImages",
+    "ColorImageDepth", "ColorImageDict",
+    "DownsampleColorImages", "ColorImageDownsampleType", "EncodeColorImages",
+    "ColorImageFilter", "ColorImageResolution"
+};
+private const psdf_image_filter_name Poly_filters[] =
+{
+#ifdef HAVE_LIBJPEG
+    {"DCTEncode", &s_DCTE_template},
+#endif /* HAVE_LIBJPEG */
+#ifdef HAVE_LIBZ
+    {"FlateEncode", &s_zlibE_template, psdf_version_ll3},
+#endif /* HAVE_LIBZ */
+    {"LZWEncode", &s_LZWE_template},
+    {0, 0}
+};
+private const psdf_image_param_names Gray_names =
+{
+    "GrayACSImageDict", "AntiAliasGrayImages", "AutoFilterGrayImages",
+    "GrayImageDepth", "GrayImageDict",
+    "DownsampleGrayImages", "GrayImageDownsampleType", "EncodeGrayImages",
+    "GrayImageFilter", "GrayImageResolution"
+};
+private const psdf_image_param_names Mono_names =
+{
+    0, "AntiAliasMonoImages", 0,
+    "MonoImageDepth", "MonoImageDict",
+    "DownsampleMonoImages", "MonoImageDownsampleType", "EncodeMonoImages",
+    "MonoImageFilter", "MonoImageResolution"
+};
+private const psdf_image_filter_name Mono_filters[] =
+{
+    {"CCITTFaxEncode", &s_CFE_template},
+#ifdef HAVE_LIBZ
+    {"FlateEncode", &s_zlibE_template, psdf_version_ll3},
+#endif /* HAVE_LIBZ */
+    {"LZWEncode", &s_LZWE_template},
+    {"RunLengthEncode", &s_RLE_template},
+    {0, 0}
+};
+private const char *const AutoRotatePages_names[] =
+{
+    "None", "All", "PageByPage", 0
+};
+private const char *const ColorConversionStrategy_names[] =
+{
+    "LeaveColorUnchanged", "UseDeviceDependentColor",
+    "UseDeviceIndependentColor", 0
+};
+private const char *const DownsampleType_names[] =
+{
+    "Average", "Subsample", 0
+};
+private const char *const TransferFunctionInfo_names[] =
+{
+    "Preserve", "Apply", "Remove", 0
+};
+private const char *const UCRandBGInfo_names[] =
+{
+    "Preserve", "Remove", 0
+};
+
+/* -------- Get parameters -------- */
+
+#ifdef HAVE_LIBJPEG
+extern stream_state_proc_get_params(s_DCTE_get_params, stream_DCT_state);
+#endif /* HAVE_LIBJPEG */
+extern stream_state_proc_get_params(s_CF_get_params, stream_CF_state);
+typedef stream_state_proc_get_params((*ss_get_params_t), stream_state);
+
+private int
+psdf_CF_get_params(gs_param_list * plist, const stream_state * ss, bool all)
+{
+    return (ss == 0 ? 0 :
+	    s_CF_get_params(plist, (const stream_CF_state *)ss, all));
+}
+#ifdef HAVE_LIBJPEG
+private int
+psdf_DCT_get_params(gs_param_list * plist, const stream_state * ss, bool all)
+{
+    int code = (ss == 0 ? 0 :
+		s_DCTE_get_params(plist, (const stream_DCT_state *)ss, all));
+    /*
+     * Add dummy Columns, Rows, and Colors parameters so that put_params
+     * won't complain.
+     */
+    int dummy_size = 8, dummy_colors = 3;
+
+    if (code < 0 ||
+	(code = param_write_int(plist, "Columns", &dummy_size)) < 0 ||
+	(code = param_write_int(plist, "Rows", &dummy_size)) < 0 ||
+	(code = param_write_int(plist, "Colors", &dummy_colors)) < 0
+	)
+	return code;
+    return 0;
+}
+#endif /* HAVE_LIBJPEG */
+
+/*
+ * Get an image Dict parameter.  Note that we return a default (usually
+ * empty) dictionary if the parameter has never been set.
+ */
+private int
+psdf_get_image_dict_param(gs_param_list * plist, const gs_param_name pname,
+			  stream_state * ss, ss_get_params_t get_params)
+{
+    gs_param_dict dict;
+    int code;
+
+    if (pname == 0)
+	return 0;
+    dict.size = 12;		/* enough for all param dicts we know about */
+    if ((code = param_begin_write_dict(plist, pname, &dict, false)) < 0)
+	return code;
+    code = (*get_params)(dict.list, ss, false);
+    param_end_write_dict(plist, pname, &dict);
+    return code;
+}
+
+/* Get a set of image-related parameters. */
+private int
+psdf_get_image_params(gs_param_list * plist,
+	  const psdf_image_param_names * pnames, psdf_image_params * params)
+{
+    int code;
+    gs_param_string dsts, fs;
+
+    param_string_from_string(dsts,
+			     DownsampleType_names[params->DownsampleType]);
+    if (
+#ifdef HAVE_LIBJPEG
+	   (code = psdf_get_image_dict_param(plist, pnames->ACSDict,
+					     params->ACSDict,
+					     psdf_DCT_get_params)) < 0 ||
+#endif /* HAVE_LIBJPEG */
+	   (code = param_write_bool(plist, pnames->AntiAlias,
+				    &params->AntiAlias)) < 0 ||
+	   (pnames->AutoFilter != 0 &&
+	    (code = param_write_bool(plist, pnames->AutoFilter,
+				     &params->AutoFilter)) < 0) ||
+	   (code = param_write_int(plist, pnames->Depth,
+				   &params->Depth)) < 0 ||
+	   (code = psdf_get_image_dict_param(plist, pnames->Dict,
+					     params->Dict,
+#ifdef HAVE_LIBJPEG
+					     (params->Dict == 0 ||
+					      params->Dict->template ==
+					      &s_CFE_template ?
+					      psdf_CF_get_params :
+					      psdf_DCT_get_params))) < 0 ||
+#else
+					      psdf_CF_get_params)) < 0 ||
+#endif /* HAVE_LIBJPEG */
+	   (code = param_write_bool(plist, pnames->Downsample,
+				    &params->Downsample)) < 0 ||
+	   (code = param_write_name(plist, pnames->DownsampleType,
+				    &dsts)) < 0 ||
+	   (code = param_write_bool(plist, pnames->Encode,
+				    &params->Encode)) < 0 ||
+	   (code = (params->Filter == 0 ? 0 :
+		    (param_string_from_string(fs, params->Filter),
+		     param_write_name(plist, pnames->Filter, &fs)))) < 0 ||
+	   (code = param_write_int(plist, pnames->Resolution,
+				   &params->Resolution)) < 0
+	)
+	DO_NOTHING;
+    return code;
+}
+
+/* Get parameters. */
+int
+gdev_psdf_get_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_psdf *pdev = (gx_device_psdf *) dev;
+    int code = gdev_vector_get_params(dev, plist);
+    gs_param_string arps, ccss, tfis, ucrbgis;
+
+    if (code < 0)
+	return code;
+    param_string_from_string(arps,
+		  AutoRotatePages_names[(int)pdev->params.AutoRotatePages]);
+    param_string_from_string(ccss,
+			     ColorConversionStrategy_names[(int)pdev->params.ColorConversionStrategy]);
+    param_string_from_string(tfis,
+	TransferFunctionInfo_names[(int)pdev->params.TransferFunctionInfo]);
+    param_string_from_string(ucrbgis,
+			UCRandBGInfo_names[(int)pdev->params.UCRandBGInfo]);
+    if (
+    /* General parameters */
+
+	   (code = param_write_bool(plist, "ASCII85EncodePages",
+				    &pdev->params.ASCII85EncodePages)) < 0 ||
+	   (code = param_write_name(plist, "AutoRotatePages",
+				    &arps)) < 0 ||
+	   (code = param_write_bool(plist, "CompressPages",
+				    &pdev->params.CompressPages)) < 0 ||
+	   (code = param_write_long(plist, "ImageMemory",
+				    &pdev->params.ImageMemory)) < 0 ||
+	   (code = param_write_bool(plist, "LZWEncodePages",
+				    &pdev->params.LZWEncodePages)) < 0 ||
+	   (code = param_write_bool(plist, "PreserveHalftoneInfo",
+				 &pdev->params.PreserveHalftoneInfo)) < 0 ||
+	   (code = param_write_bool(plist, "PreserveOPIComments",
+				  &pdev->params.PreserveOPIComments)) < 0 ||
+	   (code = param_write_bool(plist, "PreserveOverprintSettings",
+			    &pdev->params.PreserveOverprintSettings)) < 0 ||
+      (code = param_write_name(plist, "TransferFunctionInfo", &tfis)) < 0 ||
+	   (code = param_write_name(plist, "UCRandBGInfo", &ucrbgis)) < 0 ||
+	   (code = param_write_bool(plist, "UseFlateCompression",
+				  &pdev->params.UseFlateCompression)) < 0 ||
+
+    /* Color sampled image parameters */
+
+	   (code = psdf_get_image_params(plist, &Color_names, &pdev->params.ColorImage)) < 0 ||
+	   (code = param_write_name(plist, "ColorConversionStrategy",
+				    &ccss)) < 0 ||
+	   (code = param_write_bool(plist, "ConvertCMYKImagesToRGB",
+			       &pdev->params.ConvertCMYKImagesToRGB)) < 0 ||
+	   (code = param_write_bool(plist, "ConvertImagesToIndexed",
+			       &pdev->params.ConvertImagesToIndexed)) < 0 ||
+
+    /* Gray sampled image parameters */
+
+	   (code = psdf_get_image_params(plist, &Gray_names, &pdev->params.GrayImage)) < 0 ||
+
+    /* Mono sampled image parameters */
+
+	   (code = psdf_get_image_params(plist, &Mono_names, &pdev->params.MonoImage)) < 0 ||
+
+    /* Font embedding parameters */
+
+	   (code = param_write_name_array(plist, "AlwaysEmbed", &pdev->params.AlwaysEmbed)) < 0 ||
+	   (code = param_write_name_array(plist, "NeverEmbed", &pdev->params.NeverEmbed)) < 0 ||
+	   (code = param_write_bool(plist, "EmbedAllFonts", &pdev->params.EmbedAllFonts)) < 0 ||
+	   (code = param_write_bool(plist, "SubsetFonts", &pdev->params.SubsetFonts)) < 0 ||
+	   (code = param_write_int(plist, "MaxSubsetPct", &pdev->params.MaxSubsetPct)) < 0
+	);
+    return code;
+}
+
+/* -------- Put parameters -------- */
+
+#ifdef HAVE_LIBJPEG
+extern stream_state_proc_put_params(s_DCTE_put_params, stream_DCT_state);
+#endif /* HAVE_LIBJPEG */
+extern stream_state_proc_put_params(s_CF_put_params, stream_CF_state);
+typedef stream_state_proc_put_params((*ss_put_params_t), stream_state);
+
+private int
+psdf_CF_put_params(gs_param_list * plist, stream_state * st)
+{
+    stream_CFE_state *const ss = (stream_CFE_state *) st;
+
+    (*s_CFE_template.set_defaults) (st);
+    ss->K = -1;
+    ss->BlackIs1 = true;
+    return s_CF_put_params(plist, (stream_CF_state *) ss);
+}
+#ifdef HAVE_LIBJPEG
+private int
+psdf_DCT_put_params(gs_param_list * plist, stream_state * ss)
+{
+    return s_DCTE_put_params(plist, (stream_DCT_state *) ss);
+}
+#endif /* HAVE_LIBJPEG */
+
+/* Compare a C string and a gs_param_string. */
+bool
+psdf_key_eq(const gs_param_string * pcs, const char *str)
+{
+    return (strlen(str) == pcs->size &&
+	    !strncmp(str, (const char *)pcs->data, pcs->size));
+}
+
+/* Put an enumerated value. */
+private int
+psdf_put_enum_param(gs_param_list * plist, gs_param_name param_name,
+		    int *pvalue, const char *const pnames[], int ecode)
+{
+    gs_param_string ens;
+    int code = param_read_name(plist, param_name, &ens);
+
+    switch (code) {
+	case 1:
+	    return ecode;
+	case 0:
+	    {
+		int i;
+
+		for (i = 0; pnames[i] != 0; ++i)
+		    if (psdf_key_eq(&ens, pnames[i])) {
+			*pvalue = i;
+			return 0;
+		    }
+	    }
+	    code = gs_error_rangecheck;
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, code);
+    }
+    return code;
+}
+
+/* Put a Boolean or integer parameter. */
+int
+psdf_put_bool_param(gs_param_list * plist, gs_param_name param_name,
+		    bool * pval, int ecode)
+{
+    int code;
+
+    switch (code = param_read_bool(plist, param_name, pval)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    return ecode;
+}
+int
+psdf_put_int_param(gs_param_list * plist, gs_param_name param_name,
+		   int *pval, int ecode)
+{
+    int code;
+
+    switch (code = param_read_int(plist, param_name, pval)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    return ecode;
+}
+
+/* Put [~](Always|Never)Embed parameters. */
+private int
+psdf_put_embed_param(gs_param_list * plist, gs_param_name notpname,
+		     gs_param_string_array * psa, int ecode)
+{
+    gs_param_name pname = notpname + 1;
+    int code;
+    gs_param_string_array nsa;
+
+/***** Storage management is incomplete ******/
+/***** Doesn't do incremental add/delete ******/
+    switch (code = param_read_name_array(plist, pname, psa)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, pname, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    switch (code = param_read_name_array(plist, notpname, &nsa)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, notpname, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    return ecode;
+}
+
+/* Put an image Dict parameter. */
+private int
+psdf_put_image_dict_param(gs_param_list * plist, const gs_param_name pname,
+		      stream_state ** pss, const stream_template * template,
+			  ss_put_params_t put_params, gs_memory_t * mem)
+{
+    gs_param_dict dict;
+    stream_state *ss = *pss;
+    int code;
+
+    switch (code = param_begin_read_dict(plist, pname, &dict, false)) {
+	default:
+	    param_signal_error(plist, pname, code);
+	    return code;
+	case 1:
+	    ss = 0;
+	    break;
+	case 0:{
+	    /******
+	     ****** THIS CAUSES A SEGV FOR DCT FILTERS, BECAUSE
+	     ****** THEY DON'T INTIALIZE PROPERLY.
+	     ******/
+#ifdef HAVE_LIBJPEG
+	    if (template != &s_DCTE_template)
+#endif /* HAVE_LIBJPEG */
+	    {
+		stream_state *ss_new =
+		    s_alloc_state(mem, template->stype, pname);
+
+		if (ss_new == 0)
+		    return_error(gs_error_VMerror);
+		ss_new->template = template;
+		if (template->set_defaults)
+		    (*template->set_defaults)(ss_new);
+		code = (*put_params)(dict.list, ss_new);
+		if (code < 0) {
+		    param_signal_error(plist, pname, code);
+		    /* Make sure we free the new state. */
+		    *pss = ss_new;
+		} else
+		    ss = ss_new;
+	    }
+	    }
+	    param_end_read_dict(plist, pname, &dict);
+    }
+    if (*pss != ss) {
+	if (ss) {
+	    /****** FREE SUBSIDIARY OBJECTS -- HOW? ******/
+	    gs_free_object(mem, *pss, pname);
+	}
+	*pss = ss;
+    }
+    return code;
+}
+
+/* Put a set of image-related parameters. */
+private int
+psdf_put_image_params(const gx_device_psdf * pdev, gs_param_list * plist,
+ const psdf_image_param_names * pnames, const psdf_image_filter_name * pifn,
+		      psdf_image_params * params, int ecode)
+{
+    gs_param_string fs;
+
+    /*
+     * Since this procedure can be called before the device is open,
+     * we must use pdev->memory rather than pdev->v_memory.
+     */
+    gs_memory_t *mem = pdev->memory;
+    gs_param_name pname;
+    int dsti = params->DownsampleType;
+    int code;
+
+#ifdef HAVE_LIBJPEG
+    if ((pname = pnames->ACSDict) != 0) {
+	code = psdf_put_image_dict_param(plist, pname, &params->ACSDict,
+					 &s_DCTE_template,
+					 psdf_DCT_put_params, mem);
+	if (code < 0)
+	    ecode = code;
+    }
+#endif /* HAVE_LIBJPEG */
+    ecode = psdf_put_bool_param(plist, pnames->AntiAlias,
+				&params->AntiAlias, ecode);
+    if (pnames->AutoFilter)
+	ecode = psdf_put_bool_param(plist, pnames->AutoFilter,
+				    &params->AutoFilter, ecode);
+    ecode = psdf_put_int_param(plist, pnames->Depth,
+			       &params->Depth, ecode);
+    if ((pname = pnames->Dict) != 0) {
+	const stream_template *template;
+	ss_put_params_t put_params;
+
+	/* Hack to determine what kind of a Dict we want: */
+	if (pnames->Dict[0] == 'M')
+	    template = &s_CFE_template,
+		put_params = psdf_CF_put_params;
+#ifdef HAVE_LIBJPEG
+	else
+	    template = &s_DCTE_template,
+		put_params = psdf_DCT_put_params;
+#endif /* HAVE_LIBJPEG */
+	code = psdf_put_image_dict_param(plist, pname, &params->Dict,
+					 template, put_params, mem);
+	if (code < 0)
+	    ecode = code;
+    }
+    ecode = psdf_put_bool_param(plist, pnames->Downsample,
+				&params->Downsample, ecode);
+    if ((ecode = psdf_put_enum_param(plist, pnames->DownsampleType,
+				     &dsti, DownsampleType_names,
+				     ecode)) >= 0
+	)
+	params->DownsampleType = (enum psdf_downsample_type)dsti;
+    ecode = psdf_put_bool_param(plist, pnames->Encode,
+				&params->Encode, ecode);
+    switch (code = param_read_string(plist, pnames->Filter, &fs)) {
+	case 0:
+	    {
+		const psdf_image_filter_name *pn = pifn;
+
+		while (pn->pname != 0 && !psdf_key_eq(&fs, pn->pname))
+		    pn++;
+		if (pn->pname == 0 || pn->min_version > pdev->version) {
+		    ecode = gs_error_rangecheck;
+		    goto ipe;
+		}
+		params->Filter = pn->pname;
+		params->filter_template = pn->template;
+		break;
+	    }
+	default:
+	    ecode = code;
+	  ipe:param_signal_error(plist, pnames->Filter, ecode);
+	case 1:
+	    break;
+    }
+    ecode = psdf_put_int_param(plist, pnames->Resolution,
+			       &params->Resolution, ecode);
+    if (ecode >= 0) {		/* Force parameters to acceptable values. */
+	if (params->Resolution < 1)
+	    params->Resolution = 1;
+	switch (params->Depth) {
+	    default:
+		params->Depth = -1;
+	    case 1:
+	    case 2:
+	    case 4:
+	    case 8:
+	    case -1:
+		break;
+	}
+    }
+    return ecode;
+}
+
+/* Put parameters. */
+int
+gdev_psdf_put_params(gx_device * dev, gs_param_list * plist)
+{
+    gx_device_psdf *pdev = (gx_device_psdf *) dev;
+    int ecode = 0;
+    int code;
+    gs_param_name param_name;
+    psdf_distiller_params params;
+
+    /* General parameters. */
+
+    params = pdev->params;
+
+    ecode = psdf_put_bool_param(plist, "ASCII85EncodePages",
+				&params.ASCII85EncodePages, ecode);
+    {
+	int arpi = params.AutoRotatePages;
+
+	ecode = psdf_put_enum_param(plist, "AutoRotatePages", &arpi,
+				    AutoRotatePages_names, ecode);
+	params.AutoRotatePages = (enum psdf_auto_rotate_pages)arpi;
+    }
+    ecode = psdf_put_bool_param(plist, "CompressPages",
+				&params.CompressPages, ecode);
+    switch (code = param_read_long(plist, (param_name = "ImageMemory"), &params.ImageMemory)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    ecode = psdf_put_bool_param(plist, "LZWEncodePages",
+				&params.LZWEncodePages, ecode);
+    ecode = psdf_put_bool_param(plist, "PreserveHalftoneInfo",
+				&params.PreserveHalftoneInfo, ecode);
+    ecode = psdf_put_bool_param(plist, "PreserveOPIComments",
+				&params.PreserveOPIComments, ecode);
+    ecode = psdf_put_bool_param(plist, "PreserveOverprintSettings",
+				&params.PreserveOverprintSettings, ecode);
+    {
+	int tfii = params.TransferFunctionInfo;
+
+	ecode = psdf_put_enum_param(plist, "TransferFunctionInfo", &tfii,
+				    TransferFunctionInfo_names, ecode);
+	params.TransferFunctionInfo = (enum psdf_transfer_function_info)tfii;
+    }
+    {
+	int ucrbgi = params.UCRandBGInfo;
+
+	ecode = psdf_put_enum_param(plist, "UCRandBGInfo", &ucrbgi,
+				    UCRandBGInfo_names, ecode);
+	params.UCRandBGInfo = (enum psdf_ucr_and_bg_info)ucrbgi;
+    }
+#ifdef HAVE_LIBZ
+    ecode = psdf_put_bool_param(plist, "UseFlateCompression",
+				&params.UseFlateCompression, ecode);
+#endif /* HAVE_LIBZ */
+
+    /* Color sampled image parameters */
+
+    ecode = psdf_put_image_params(pdev, plist, &Color_names, Poly_filters,
+				  &params.ColorImage, ecode);
+    {
+	int ccsi = params.ColorConversionStrategy;
+
+	ecode = psdf_put_enum_param(plist, "ColorConversionStrategy", &ccsi,
+				    ColorConversionStrategy_names, ecode);
+	params.ColorConversionStrategy =
+	    (enum psdf_color_conversion_strategy)ccsi;
+    }
+    ecode = psdf_put_bool_param(plist, "ConvertCMYKImagesToRGB",
+				&params.ConvertCMYKImagesToRGB, ecode);
+    ecode = psdf_put_bool_param(plist, "ConvertImagesToIndexed",
+				&params.ConvertImagesToIndexed, ecode);
+
+    /* Gray sampled image parameters */
+
+    ecode = psdf_put_image_params(pdev, plist, &Gray_names, Poly_filters,
+				  &params.GrayImage, ecode);
+
+    /* Mono sampled image parameters */
+
+    ecode = psdf_put_image_params(pdev, plist, &Mono_names, Mono_filters,
+				  &params.MonoImage, ecode);
+
+    /* Font embedding parameters */
+
+    ecode = psdf_put_embed_param(plist, "~AlwaysEmbed",
+				 &params.AlwaysEmbed, ecode);
+    ecode = psdf_put_embed_param(plist, "~NeverEmbed",
+				 &params.NeverEmbed, ecode);
+    ecode = psdf_put_bool_param(plist, "EmbedAllFonts",
+				&params.EmbedAllFonts, ecode);
+    ecode = psdf_put_bool_param(plist, "SubsetFonts",
+				&params.SubsetFonts, ecode);
+    ecode = psdf_put_int_param(plist, "MaxSubsetPct",
+			       &params.MaxSubsetPct, ecode);
+
+    if (ecode < 0)
+	return ecode;
+    code = gdev_vector_put_params(dev, plist);
+    if (code < 0)
+	return code;
+
+    pdev->params = params;	/* OK to update now */
+    return 0;
+}
diff --git a/pstoraster/gdevpsds.c b/pstoraster/gdevpsds.c
new file mode 100644
index 000000000..da128b5b7
--- /dev/null
+++ b/pstoraster/gdevpsds.c
@@ -0,0 +1,470 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image processing streams for PostScript and PDF writers */
+#include "gx.h"
+#include "memory_.h"
+#include "gserrors.h"
+#include "gxdcconv.h"
+#include "gdevpsds.h"
+
+/* ---------------- Convert between 1/2/4 and 8 bits ---------------- */
+gs_private_st_simple(st_1248_state, stream_1248_state, "stream_1248_state");
+
+/* Initialize the state. */
+private int
+s_1_init(stream_state * st)
+{
+    stream_1248_state *const ss = (stream_1248_state *) st;
+
+    ss->left = ss->samples_per_row;
+    ss->bits_per_sample = 1;
+    return 0;
+}
+private int
+s_2_init(stream_state * st)
+{
+    stream_1248_state *const ss = (stream_1248_state *) st;
+
+    ss->left = ss->samples_per_row;
+    ss->bits_per_sample = 2;
+    return 0;
+}
+private int
+s_4_init(stream_state * st)
+{
+    stream_1248_state *const ss = (stream_1248_state *) st;
+
+    ss->left = ss->samples_per_row;
+    ss->bits_per_sample = 4;
+    return 0;
+}
+
+/* Process one buffer. */
+#define BEGIN_1248\
+	stream_1248_state * const ss = (stream_1248_state *)st;\
+	const byte *p = pr->ptr;\
+	const byte *rlimit = pr->limit;\
+	byte *q = pw->ptr;\
+	byte *wlimit = pw->limit;\
+	uint left = ss->left;\
+	int status;\
+	int n
+#define END_1248\
+	pr->ptr = p;\
+	pw->ptr = q;\
+	ss->left = left;\
+	return status
+
+/* N-to-8 expansion */
+#define FOREACH_N_8(in, nout)\
+	status = 0;\
+	for ( ; p < rlimit; left -= n, q += n, ++p ) {\
+	  byte in = p[1];\
+	  n = min(left, nout);\
+	  if ( wlimit - q < n ) {\
+	    status = 1;\
+	    break;\
+	  }\
+	  switch ( n ) {\
+	    case 0: left = ss->samples_per_row; --p; continue;
+#define END_FOREACH_N_8\
+	  }\
+	}
+private int
+s_N_8_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    BEGIN_1248;
+
+    switch (ss->bits_per_sample) {
+
+	case 1:{
+		FOREACH_N_8(in, 8)
+	case 8:
+		q[8] = (byte) - (in & 1);
+	case 7:
+		q[7] = (byte) - ((in >> 1) & 1);
+	case 6:
+		q[6] = (byte) - ((in >> 2) & 1);
+	case 5:
+		q[5] = (byte) - ((in >> 3) & 1);
+	case 4:
+		q[4] = (byte) - ((in >> 4) & 1);
+	case 3:
+		q[3] = (byte) - ((in >> 5) & 1);
+	case 2:
+		q[2] = (byte) - ((in >> 6) & 1);
+	case 1:
+		q[1] = (byte) - (in >> 7);
+		END_FOREACH_N_8;
+	    }
+	    break;
+
+	case 2:{
+		static const byte b2[4] =
+		{0x00, 0x55, 0xaa, 0xff};
+
+		FOREACH_N_8(in, 4)
+	case 4:
+		q[4] = b2[in & 3];
+	case 3:
+		q[3] = b2[(in >> 2) & 3];
+	case 2:
+		q[2] = b2[(in >> 4) & 3];
+	case 1:
+		q[1] = b2[in >> 6];
+		END_FOREACH_N_8;
+	    }
+	    break;
+
+	case 4:{
+		static const byte b4[16] =
+		{
+		    0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+		    0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
+		};
+
+		FOREACH_N_8(in, 2)
+	case 2:
+		q[2] = b4[in & 0xf];
+	case 1:
+		q[1] = b4[in >> 4];
+		END_FOREACH_N_8;
+	    }
+	    break;
+
+	default:
+	    return ERRC;
+    }
+
+    END_1248;
+}
+
+/* 8-to-N reduction */
+#define FOREACH_8_N(out, nin)\
+	byte out;\
+	status = 1;\
+	for ( ; q < wlimit; left -= n, p += n, ++q ) {\
+	  n = min(left, nin);\
+	  if ( rlimit - p < n ) {\
+	    status = 0;\
+	    break;\
+	  }\
+	  out = 0;\
+	  switch ( n ) {\
+	    case 0: left = ss->samples_per_row; --q; continue;
+#define END_FOREACH_8_N\
+	    q[1] = out;\
+	  }\
+	}
+private int
+s_8_N_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    BEGIN_1248;
+
+    switch (ss->bits_per_sample) {
+
+	case 1:{
+		FOREACH_8_N(out, 8)
+	case 8:
+		out = p[8] >> 7;
+	case 7:
+		out |= (p[7] >> 7) << 1;
+	case 6:
+		out |= (p[6] >> 7) << 2;
+	case 5:
+		out |= (p[5] >> 7) << 3;
+	case 4:
+		out |= (p[4] >> 7) << 4;
+	case 3:
+		out |= (p[3] >> 7) << 5;
+	case 2:
+		out |= (p[2] >> 7) << 6;
+	case 1:
+		out |= p[1] & 0x80;
+		END_FOREACH_8_N;
+	    }
+	    break;
+
+	case 2:{
+		FOREACH_8_N(out, 4)
+	case 4:
+		out |= p[4] >> 6;
+	case 3:
+		out |= (p[3] >> 6) << 2;
+	case 2:
+		out |= (p[2] >> 6) << 4;
+	case 1:
+		out |= p[1] & 0xc0;
+		END_FOREACH_8_N;
+	    }
+	    break;
+
+	case 4:{
+		FOREACH_8_N(out, 2)
+	case 2:
+		out |= p[2] >> 4;
+	case 1:
+		out |= p[1] & 0xf0;
+		END_FOREACH_8_N;
+	    }
+	    break;
+
+	default:
+	    return ERRC;
+    }
+
+    END_1248;
+}
+
+const stream_template s_1_8_template =
+{
+    &st_1248_state, s_1_init, s_N_8_process, 1, 8
+};
+const stream_template s_2_8_template =
+{
+    &st_1248_state, s_2_init, s_N_8_process, 1, 4
+};
+const stream_template s_4_8_template =
+{
+    &st_1248_state, s_4_init, s_N_8_process, 1, 2
+};
+
+const stream_template s_8_1_template =
+{
+    &st_1248_state, s_1_init, s_8_N_process, 8, 1
+};
+const stream_template s_8_2_template =
+{
+    &st_1248_state, s_2_init, s_8_N_process, 4, 1
+};
+const stream_template s_8_4_template =
+{
+    &st_1248_state, s_4_init, s_8_N_process, 2, 1
+};
+
+/* ---------------- CMYK => RGB conversion ---------------- */
+
+private_st_C2R_state();
+
+/* Process one buffer. */
+private int
+s_C2R_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_C2R_state *const ss = (stream_C2R_state *) st;
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+
+    for (; rlimit - p >= 4 && wlimit - q >= 3; p += 4, q += 3) {
+	byte bc = p[1], bm = p[2], by = p[3], bk = p[4];
+	frac rgb[3];
+
+	color_cmyk_to_rgb(byte2frac(bc), byte2frac(bm), byte2frac(by),
+			  byte2frac(bk), ss->pis, rgb);
+	q[1] = frac2byte(rgb[0]);
+	q[2] = frac2byte(rgb[1]);
+	q[3] = frac2byte(rgb[2]);
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    return (rlimit - p < 4 ? 0 : 1);
+}
+
+const stream_template s_C2R_template =
+{
+    &st_C2R_state, 0 /*NULL */ , s_C2R_process, 4, 3
+};
+
+/* ---------------- Downsampling ---------------- */
+
+private void
+s_Downsample_set_defaults(register stream_state * st)
+{
+    stream_Downsample_state *const ss =
+	(stream_Downsample_state *) st;
+
+    s_Downsample_set_defaults_inline(ss);
+}
+
+/* Subsample */
+/****** DOESN'T IMPLEMENT padY YET ******/
+
+gs_private_st_simple(st_Subsample_state, stream_Subsample_state,
+		     "stream_Subsample_state");
+
+/* Initialize the state. */
+private int
+s_Subsample_init(stream_state * st)
+{
+    stream_Subsample_state *const ss = (stream_Subsample_state *) st;
+
+    ss->x = ss->y = 0;
+    return 0;
+}
+
+/* Process one buffer. */
+private int
+s_Subsample_process(stream_state * st, stream_cursor_read * pr,
+		    stream_cursor_write * pw, bool last)
+{
+    stream_Subsample_state *const ss = (stream_Subsample_state *) st;
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    int spp = ss->Colors;
+    int width = ss->Columns;
+    int xf = ss->XFactor, yf = ss->YFactor;
+    int xf2 = xf / 2, yf2 = yf / 2;
+    int xlimit = (width / xf) * xf;
+    int xlast = (ss->padX && xlimit < width ? xlimit + (width % xf) / 2 : -1);
+    int x = ss->x, y = ss->y;
+    int status = 0;
+
+    for (; rlimit - p >= spp; p += spp) {
+	if (y == yf2 && ((x % xf == xf2 && x < xlimit) || x == xlast)) {
+	    if (wlimit - q < spp) {
+		status = 1;
+		break;
+	    }
+	    memcpy(q + 1, p + 1, spp);
+	    q += spp;
+	}
+	if (++x == width) {
+	    x = 0;
+	    if (++y == yf) {
+		y = 0;
+	    }
+	}
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    ss->x = x, ss->y = y;
+    return status;
+}
+
+const stream_template s_Subsample_template =
+{
+    &st_Subsample_state, s_Subsample_init, s_Subsample_process, 4, 4,
+    0 /* NULL */, s_Downsample_set_defaults
+};
+
+/* Average */
+
+private_st_Average_state();
+
+/* Initialize the state. */
+private int
+s_Average_init(stream_state * st)
+{
+    stream_Average_state *const ss = (stream_Average_state *) st;
+
+    ss->sum_size =
+	ss->Colors * ((ss->Columns + ss->XFactor - 1) / ss->XFactor);
+    ss->copy_size = ss->sum_size -
+	(ss->padX || (ss->Columns % ss->XFactor == 0) ? 0 : ss->Colors);
+    ss->sums =
+	(uint *)gs_alloc_byte_array(st->memory, ss->sum_size,
+				    sizeof(uint), "Average sums");
+    if (ss->sums == 0)
+	return ERRC;	/****** WRONG ******/
+    memset(ss->sums, 0, ss->sum_size * sizeof(uint));
+    return s_Subsample_init(st);
+}
+
+/* Release the state. */
+private void
+s_Average_release(stream_state * st)
+{
+    stream_Average_state *const ss = (stream_Average_state *) st;
+
+    gs_free_object(st->memory, ss->sums, "Average sums");
+}
+
+/* Process one buffer. */
+private int
+s_Average_process(stream_state * st, stream_cursor_read * pr,
+		  stream_cursor_write * pw, bool last)
+{
+    stream_Average_state *const ss = (stream_Average_state *) st;
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    int spp = ss->Colors;
+    int width = ss->Columns;
+    int xf = ss->XFactor, yf = ss->YFactor;
+    int x = ss->x, y = ss->y;
+    uint *sums = ss->sums;
+    int status = 0;
+
+top:
+    if (y == yf || (last && p >= rlimit && ss->padY && y != 0)) {
+	/* We're copying averaged values to the output. */
+	int ncopy = min(ss->copy_size - x, wlimit - q);
+
+	if (ncopy) {
+	    int scale = xf * y;
+
+	    while (--ncopy >= 0)
+		*++q = (byte) (sums[x++] / scale);
+	}
+	if (x < ss->copy_size) {
+	    status = 1;
+	    goto out;
+	}
+	/* Done copying. */
+	x = y = 0;
+	memset(sums, 0, ss->sum_size * sizeof(uint));
+    }
+    while (rlimit - p >= spp) {
+	uint *bp = sums + x / xf * spp;
+	int i;
+
+	for (i = spp; --i >= 0;)
+	    *bp++ += *++p;
+	if (++x == width) {
+	    x = 0;
+	    ++y;
+	    goto top;
+	}
+    }
+out:
+    pr->ptr = p;
+    pw->ptr = q;
+    ss->x = x, ss->y = y;
+    return status;
+}
+
+const stream_template s_Average_template =
+{
+    &st_Average_state, s_Average_init, s_Average_process, 4, 4,
+    s_Average_release, s_Downsample_set_defaults
+};
diff --git a/pstoraster/gdevpsds.h b/pstoraster/gdevpsds.h
new file mode 100644
index 000000000..772c1ff53
--- /dev/null
+++ b/pstoraster/gdevpsds.h
@@ -0,0 +1,110 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image processing stream interface for PostScript and PDF writers */
+
+#ifndef gdevpsds_INCLUDED
+#  define gdevpsds_INCLUDED
+
+#include "strimpl.h"
+
+/* Convert between 1/2/4 bits and 8 bits. */
+typedef struct stream_1248_state_s {
+    stream_state_common;
+    /* The following are set at initialization time. */
+    uint samples_per_row;	/* >0 */
+    int bits_per_sample;	/* 1, 2, 4 */
+    /* The following are updated dynamically. */
+    uint left;			/* # of samples left in current row */
+} stream_1248_state;
+
+/* Expand N (1, 2, 4) bits to 8. */
+extern const stream_template s_1_8_template;
+extern const stream_template s_2_8_template;
+extern const stream_template s_4_8_template;
+
+/* Reduce 8 bits to N (1, 2, 4) */
+extern const stream_template s_8_1_template;
+extern const stream_template s_8_2_template;
+extern const stream_template s_8_4_template;
+
+/* Initialize an expansion or reduction stream. */
+#define s_1248_init(ss, Columns, samples_per_pixel)\
+  ((ss)->samples_per_row = (Columns) * (samples_per_pixel),\
+   (*(ss)->template->init)((stream_state *)(ss)))
+
+/* Convert (8-bit) CMYK to RGB. */
+typedef struct stream_C2R_state_s {
+    stream_state_common;
+    /* The following are set at initialization time. */
+    const gs_imager_state *pis;	/* for UCR & BG */
+} stream_C2R_state;
+
+#define private_st_C2R_state()	/* in gdevpsds.c */\
+  gs_private_st_ptrs1(st_C2R_state, stream_C2R_state, "stream_C2R_state",\
+    c2r_enum_ptrs, c2r_reloc_ptrs, pis)
+extern const stream_template s_C2R_template;
+
+#define s_C2R_init(ss, pisv)\
+  ((ss)->pis = (pisv), 0)
+
+/* Downsample, possibly with anti-aliasing. */
+#define stream_Downsample_state_common\
+	stream_state_common;\
+		/* The client sets the following before initialization. */\
+	int Colors;\
+	int Columns;		/* # of input columns */\
+	int XFactor, YFactor;\
+	bool AntiAlias;\
+	bool padX, padY;	/* keep excess samples */\
+		/* The following are updated dynamically. */\
+	int x, y		/* position within input image */
+#define s_Downsample_set_defaults_inline(ss)\
+  ((ss)->AntiAlias = (ss)->padX = (ss)->padY = false)
+typedef struct stream_Downsample_state_s {
+    stream_Downsample_state_common;
+} stream_Downsample_state;
+
+/* Subsample */
+/****** Subsample DOESN'T IMPLEMENT padY YET ******/
+typedef struct stream_Subsample_state_s {
+    stream_Downsample_state_common;
+} stream_Subsample_state;
+extern const stream_template s_Subsample_template;
+
+/* Average */
+typedef struct stream_Average_state_s {
+    stream_Downsample_state_common;
+    uint sum_size;
+    uint copy_size;
+    uint *sums;			/* accumulated sums for average */
+} stream_Average_state;
+
+#define private_st_Average_state()	/* in gdevpsds.c */\
+  gs_private_st_ptrs1(st_Average_state, stream_Average_state,\
+    "stream_Average_state", avg_enum_ptrs, avg_reloc_ptrs, sums)
+extern const stream_template s_Average_template;
+
+#endif /* gdevpsds_INCLUDED */
diff --git a/pstoraster/gdevpstr.h b/pstoraster/gdevpstr.h
new file mode 100644
index 000000000..12156c39a
--- /dev/null
+++ b/pstoraster/gdevpstr.h
@@ -0,0 +1,90 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Stream output for PostScript- and PDF-writing drivers. */
+
+#ifndef gdevpstr_INCLUDED
+#  define gdevpstr_INCLUDED
+
+/* Define an opaque type for streams. */
+#ifndef stream_DEFINED
+#  define stream_DEFINED
+typedef struct stream_s stream;
+
+#endif
+
+/* Put a character on a stream. */
+#define pputc(s, c) spputc(s, c)
+
+/* Put a byte array on a stream. */
+int pwrite(P3(stream * s, const void *ptr, uint count));
+
+/* Put a string on a stream. */
+int pputs(P2(stream * s, const char *str));
+
+/*
+ * Print (a) floating point number(s) using a format.  This is needed
+ * because %f format always prints a fixed number of digits after the
+ * decimal point, and %g format may use %e format, which PDF disallows.
+ * These functions return a pointer to the next %-element of the format, or
+ * to the terminating 0.
+ */
+const char *pprintg1(P3(stream * s, const char *format, floatp v));
+const char *pprintg2(P4(stream * s, const char *format, floatp v1, floatp v2));
+const char *pprintg3(P5(stream * s, const char *format,
+			floatp v1, floatp v2, floatp v3));
+const char *pprintg4(P6(stream * s, const char *format,
+			floatp v1, floatp v2, floatp v3, floatp v4));
+const char *pprintg6(P8(stream * s, const char *format,
+			floatp v1, floatp v2, floatp v3, floatp v4,
+			floatp v5, floatp v6));
+
+/*
+ * The rest of these printing functions exist solely because the ANSI C
+ * "standard" for functions with a variable number of arguments is not
+ * implemented properly or consistently across compilers.
+ */
+/* Print (an) int value(s) using a format. */
+const char *pprintd1(P3(stream * s, const char *format, int v));
+const char *pprintd2(P4(stream * s, const char *format, int v1, int v2));
+const char *pprintd3(P5(stream * s, const char *format,
+			int v1, int v2, int v3));
+const char *pprintd4(P6(stream * s, const char *format,
+			int v1, int v2, int v3, int v4));
+
+/* Print a long value using a format. */
+const char *pprintld1(P3(stream * s, const char *format, long v));
+const char *pprintld2(P4(stream * s, const char *format, long v1, long v2));
+const char *pprintld3(P5(stream * s, const char *format,
+			 long v1, long v2, long v3));
+
+/* Print (a) string(s) using a format. */
+const char *pprints1(P3(stream * s, const char *format, const char *str));
+const char *pprints2(P4(stream * s, const char *format,
+			const char *str1, const char *str2));
+const char *pprints3(P5(stream * s, const char *format,
+		     const char *str1, const char *str2, const char *str3));
+
+#endif /* gdevpstr_INCLUDED */
diff --git a/pstoraster/gdevpxop.h b/pstoraster/gdevpxop.h
new file mode 100644
index 000000000..9b61a01e0
--- /dev/null
+++ b/pstoraster/gdevpxop.h
@@ -0,0 +1,114 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Operator and other tag definitions for PCL XL */
+
+#ifndef gdevpxop_INCLUDED
+#  define gdevpxop_INCLUDED
+
+typedef enum {
+/*0x */
+    pxtNull = 0x00, pxt01, pxt02, pxt03,
+    pxt04, pxt05, pxt06, pxt07,
+    pxt08, pxtHT, pxtLF, pxtVT,
+    pxtFF, pxtCR, pxt0e, pxt0f,
+/*1x */
+    pxt10, pxt11, pxt12, pxt13,
+    pxt14, pxt15, pxt16, pxt17,
+    pxt18, pxt19, pxt1a, pxt1b,
+    pxt1c, pxt1d, pxt1e, pxt1f,
+/*2x */
+    pxtSpace, pxt21, pxt22, pxt23,
+    pxt24, pxt25, pxt26, pxt_beginASCII,
+    pxt_beginBinaryMSB, pxt_beginBinaryLSB, pxt2a, pxt2b,
+    pxt2c, pxt2d, pxt2e, pxt2f,
+/*3x */
+    pxt30, pxt31, pxt32, pxt33,
+    pxt34, pxt35, pxt36, pxt37,
+    pxt38, pxt39, pxt3a, pxt3b,
+    pxt3c, pxt3d, pxt3e, pxt3f,
+/*4x */
+    pxt40, pxtBeginSession, pxtEndSession, pxtBeginPage,
+    pxtEndPage, pxt45, pxt46, pxtComment,
+    pxtOpenDataSource, pxtCloseDataSource, pxt4a, pxt4b,
+    pxt4c, pxt4d, pxt4e, pxtBeginFontHeader,
+/*5x */
+    pxtReadFontHeader, pxtEndFontHeader, pxtBeginChar, pxtReadChar,
+    pxtEndChar, pxtRemoveFont, pxtSetCharAttributes /*2.0 */ , pxt57,
+    pxt58, pxt59, pxt5a, pxtBeginStream,
+    pxtReadStream, pxtEndStream, pxtExecStream, pxtRemoveStream /*2.0 */ ,
+/*6x */
+    pxtPopGS, pxtPushGS, pxtSetClipReplace, pxtSetBrushSource,
+    pxtSetCharAngle, pxtSetCharScale, pxtSetCharShear, pxtSetClipIntersect,
+    pxtSetClipRectangle, pxtSetClipToPage, pxtSetColorSpace, pxtSetCursor,
+    pxtSetCursorRel, pxtSetHalftoneMethod, pxtSetFillMode, pxtSetFont,
+/*7x */
+    pxtSetLineDash, pxtSetLineCap, pxtSetLineJoin, pxtSetMiterLimit,
+    pxtSetPageDefaultCTM, pxtSetPageOrigin, pxtSetPageRotation, pxtSetPageScale,
+    pxtSetPaintTxMode, pxtSetPenSource, pxtSetPenWidth, pxtSetROP,
+    pxtSetSourceTxMode, pxtSetCharBoldValue, pxt7e, pxtSetClipMode,
+/*8x */
+    pxtSetPathToClip, pxtSetCharSubMode, pxt82, pxt83,
+    pxtCloseSubPath, pxtNewPath, pxtPaintPath, pxt87,
+    pxt88, pxt89, pxt8a, pxt8b,
+    pxt8c, pxt8d, pxt8e, pxt8f,
+/*9x */
+    pxt90, pxtArcPath, pxt92, pxtBezierPath,
+    pxt94, pxtBezierRelPath, pxtChord, pxtChordPath,
+    pxtEllipse, pxtEllipsePath, pxt9a, pxtLinePath,
+    pxt9c, pxtLineRelPath, pxtPie, pxtPiePath,
+/*ax */
+    pxtRectangle, pxtRectanglePath, pxtRoundRectangle, pxtRoundRectanglePath,
+    pxta4, pxta5, pxta6, pxta7,
+    pxtText, pxtTextPath, pxtaa, pxtab,
+    pxtac, pxtad, pxtae, pxtaf,
+/*bx */
+    pxtBeginImage, pxtReadImage, pxtEndImage, pxtBeginRastPattern,
+    pxtReadRastPattern, pxtEndRastPattern, pxtBeginScan, pxtb7,
+    pxtEndScan, pxtScanLineRel, pxtba, pxtbb,
+    pxtbc, pxtbd, pxtbe, pxtbf,
+/*cx */
+    pxt_ubyte, pxt_uint16, pxt_uint32, pxt_sint16,
+    pxt_sint32, pxt_real32, pxtc6, pxtc7,
+    pxt_ubyte_array, pxt_uint16_array, pxt_uint32_array, pxt_sint16_array,
+    pxt_sint32_array, pxt_real32_array, pxtce, pxtcf,
+/*dx */
+    pxt_ubyte_xy, pxt_uint16_xy, pxt_uint32_xy, pxt_sint16_xy,
+    pxt_sint32_xy, pxt_real32_xy, pxtd6, pxtd7,
+    pxtd8, pxtd9, pxtda, pxtdb,
+    pxtdc, pxtdd, pxtde, pxtdf,
+/*ex */
+    pxt_ubyte_box, pxt_uint16_box, pxt_uint32_box, pxt_sint16_box,
+    pxt_sint32_box, pxt_real32_box, pxte6, pxte7,
+    pxte8, pxte9, pxtea, pxteb,
+    pxtec, pxted, pxtee, pxtef,
+/*fx */
+    pxtf0, pxtf1, pxtf2, pxtf3,
+    pxtf4, pxtf5, pxtf6, pxtf7,
+    pxt_attr_ubyte, pxt_attr_uint16, pxt_dataLength, pxt_dataLengthByte,
+    pxtfc, pxtfd, pxtfe, pxtff
+} px_tag_t;
+
+#endif /* gdevpxop_INCLUDED */
diff --git a/pstoraster/gdevvec.c b/pstoraster/gdevvec.c
new file mode 100644
index 000000000..80adbb7e8
--- /dev/null
+++ b/pstoraster/gdevvec.c
@@ -0,0 +1,905 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Utilities for "vector" devices */
+#include "math_.h"
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gp.h"
+#include "gserrors.h"
+#include "gsparam.h"
+#include "gsutil.h"
+#include "gxfixed.h"
+#include "gdevvec.h"
+#include "gscspace.h"
+#include "gxdcolor.h"
+#include "gxpaint.h"		/* requires gx_path, ... */
+#include "gzpath.h"
+#include "gzcpath.h"
+
+/******
+ ****** NOTE: EVERYTHING IN THIS FILE IS SUBJECT TO CHANGE WITHOUT NOTICE.
+ ****** USE AT YOUR OWN RISK.
+ ******/
+
+/* Structure descriptors */
+public_st_device_vector();
+public_st_vector_image_enum();
+
+/* ================ Default implementations of vector procs ================ */
+
+int
+gdev_vector_setflat(gx_device_vector * vdev, floatp flatness)
+{
+    return 0;
+}
+
+int
+gdev_vector_dopath(gx_device_vector * vdev, const gx_path * ppath,
+		   gx_path_type_t type)
+{
+    bool do_close = (type & gx_path_type_stroke) != 0;
+    gs_fixed_rect rect;
+    gs_point scale;
+    double x_start = 0, y_start = 0, x_prev, y_prev;
+    bool first = true;
+    gs_path_enum cenum;
+    int code;
+
+    if (gx_path_is_rectangle(ppath, &rect))
+	return (*vdev_proc(vdev, dorect)) (vdev, rect.p.x, rect.p.y, rect.q.x,
+					   rect.q.y, type);
+    scale = vdev->scale;
+    code = (*vdev_proc(vdev, beginpath)) (vdev, type);
+    gx_path_enum_init(&cenum, ppath);
+    for (;;) {
+	fixed vs[6];
+	int pe_op = gx_path_enum_next(&cenum, (gs_fixed_point *) vs);
+	double x, y;
+
+      sw:switch (pe_op) {
+	    case 0:		/* done */
+		return (*vdev_proc(vdev, endpath)) (vdev, type);
+	    case gs_pe_moveto:
+		code = (*vdev_proc(vdev, moveto))
+		    (vdev, x_prev, y_prev, (x = fixed2float(vs[0]) / scale.x),
+		     (y = fixed2float(vs[1]) / scale.y), type);
+		if (first)
+		    x_start = x, y_start = y, first = false;
+		break;
+	    case gs_pe_lineto:
+		code = (*vdev_proc(vdev, lineto))
+		    (vdev, x_prev, y_prev, (x = fixed2float(vs[0]) / scale.x),
+		     (y = fixed2float(vs[1]) / scale.y), type);
+		break;
+	    case gs_pe_curveto:
+		code = (*vdev_proc(vdev, curveto))
+		    (vdev, x_prev, y_prev,
+		     fixed2float(vs[0]) / scale.x,
+		     fixed2float(vs[1]) / scale.y,
+		     fixed2float(vs[2]) / scale.x,
+		     fixed2float(vs[3]) / scale.y,
+		     (x = fixed2float(vs[4]) / scale.x),
+		     (y = fixed2float(vs[5]) / scale.y),
+		     type);
+		break;
+	    case gs_pe_closepath:
+		x = x_start, y = y_start;
+		if (do_close) {
+		    code = (*vdev_proc(vdev, closepath))
+			(vdev, x_prev, y_prev, x_start, y_start, type);
+		    break;
+		}
+		pe_op = gx_path_enum_next(&cenum, (gs_fixed_point *) vs);
+		if (pe_op != 0) {
+		    code = (*vdev_proc(vdev, closepath))
+			(vdev, x_prev, y_prev, x_start, y_start, type);
+		    if (code < 0)
+			return code;
+		    goto sw;
+		}
+		return (*vdev_proc(vdev, endpath)) (vdev, type);
+	    default:		/* can't happen */
+		return_error(gs_error_unknownerror);
+	}
+	if (code < 0)
+	    return code;
+	x_prev = x, y_prev = y;
+    }
+}
+
+int
+gdev_vector_dorect(gx_device_vector * vdev, fixed x0, fixed y0, fixed x1,
+		   fixed y1, gx_path_type_t type)
+{
+    int code = (*vdev_proc(vdev, beginpath)) (vdev, type);
+
+    if (code < 0)
+	return code;
+    code = gdev_vector_write_rectangle(vdev, x0, y0, x1, y1,
+				       (type & gx_path_type_stroke) != 0,
+				       gx_rect_x_first);
+    if (code < 0)
+	return code;
+    return (*vdev_proc(vdev, endpath)) (vdev, type);
+}
+
+/* ================ Utility procedures ================ */
+
+/* Recompute the cached color values. */
+private void
+gdev_vector_load_cache(gx_device_vector * vdev)
+{
+    vdev->black = gx_device_black((gx_device *)vdev);
+    vdev->white = gx_device_white((gx_device *)vdev);
+}
+
+/* Initialize the state. */
+void
+gdev_vector_init(gx_device_vector * vdev)
+{
+    gdev_vector_reset(vdev);
+    vdev->scale.x = vdev->scale.y = 1.0;
+    vdev->in_page = false;
+    gdev_vector_load_cache(vdev);
+}
+
+/* Reset the remembered graphics state. */
+void
+gdev_vector_reset(gx_device_vector * vdev)
+{
+    static const gs_imager_state state_initial =
+    {gs_imager_state_initial(1)};
+
+    vdev->state = state_initial;
+    color_unset(&vdev->fill_color);
+    color_unset(&vdev->stroke_color);
+    vdev->clip_path_id =
+	vdev->no_clip_path_id = gs_next_ids(1);
+}
+
+/* Open the output file and stream. */
+int
+gdev_vector_open_file_bbox(gx_device_vector * vdev, uint strmbuf_size,
+			   bool bbox)
+{				/* Open the file as positionable if possible. */
+    int code = gx_device_open_output_file((gx_device *) vdev, vdev->fname,
+					  true, true, &vdev->file);
+
+    if (code < 0)
+	return code;
+    if ((vdev->strmbuf = gs_alloc_bytes(vdev->v_memory, strmbuf_size,
+					"vector_open(strmbuf)")) == 0 ||
+	(vdev->strm = s_alloc(vdev->v_memory,
+			      "vector_open(strm)")) == 0 ||
+	(bbox &&
+	 (vdev->bbox_device =
+	  gs_alloc_struct_immovable(vdev->v_memory,
+				    gx_device_bbox, &st_device_bbox,
+				    "vector_open(bbox_device)")) == 0)
+	) {
+	if (vdev->bbox_device)
+	    gs_free_object(vdev->v_memory, vdev->bbox_device,
+			   "vector_open(bbox_device)");
+	vdev->bbox_device = 0;
+	if (vdev->strm)
+	    gs_free_object(vdev->v_memory, vdev->strm,
+			   "vector_open(strm)");
+	vdev->strm = 0;
+	if (vdev->strmbuf)
+	    gs_free_object(vdev->v_memory, vdev->strmbuf,
+			   "vector_open(strmbuf)");
+	vdev->strmbuf = 0;
+	fclose(vdev->file);
+	vdev->file = 0;
+	return_error(gs_error_VMerror);
+    }
+    vdev->strmbuf_size = strmbuf_size;
+    swrite_file(vdev->strm, vdev->file, vdev->strmbuf, strmbuf_size);
+    /*
+     * We don't want finalization to close the file, but we do want it
+     * to flush the stream buffer.
+     */
+    vdev->strm->procs.close = vdev->strm->procs.flush;
+    if (vdev->bbox_device) {
+	gx_device_bbox_init(vdev->bbox_device, NULL);
+	gx_device_set_resolution((gx_device *) vdev->bbox_device,
+				 vdev->HWResolution[0],
+				 vdev->HWResolution[1]);
+	/* Do the right thing about upright vs. inverted. */
+	/* (This is dangerous in general, since the procedure */
+	/* might reference non-standard elements.) */
+	set_dev_proc(vdev->bbox_device, get_initial_matrix,
+		     dev_proc(vdev, get_initial_matrix));
+	(*dev_proc(vdev->bbox_device, open_device))
+	    ((gx_device *) vdev->bbox_device);
+    }
+    return 0;
+}
+
+/* Get the current stream, calling beginpage if in_page is false. */
+stream *
+gdev_vector_stream(gx_device_vector * vdev)
+{
+    if (!vdev->in_page) {
+	(*vdev_proc(vdev, beginpage)) (vdev);
+	vdev->in_page = true;
+    }
+    return vdev->strm;
+}
+
+/* Compare two drawing colors. */
+/* Right now we don't attempt to handle non-pure colors. */
+private bool
+drawing_color_eq(const gx_drawing_color * pdc1, const gx_drawing_color * pdc2)
+{
+    return (gx_dc_is_pure(pdc1) ?
+	    gx_dc_is_pure(pdc2) &&
+	    gx_dc_pure_color(pdc1) == gx_dc_pure_color(pdc2) :
+	    gx_dc_is_null(pdc1) ?
+	    gx_dc_is_null(pdc2) :
+	    false);
+}
+
+/* Update the logical operation. */
+int
+gdev_vector_update_log_op(gx_device_vector * vdev, gs_logical_operation_t lop)
+{
+    gs_logical_operation_t diff = lop ^ vdev->state.log_op;
+
+    if (diff != 0) {
+	int code = (*vdev_proc(vdev, setlogop)) (vdev, lop, diff);
+
+	if (code < 0)
+	    return code;
+	vdev->state.log_op = lop;
+    }
+    return 0;
+}
+
+/* Update the fill color. */
+int
+gdev_vector_update_fill_color(gx_device_vector * vdev,
+			      const gx_drawing_color * pdcolor)
+{
+    if (!drawing_color_eq(pdcolor, &vdev->fill_color)) {
+	int code = (*vdev_proc(vdev, setfillcolor)) (vdev, pdcolor);
+
+	if (code < 0)
+	    return code;
+	vdev->fill_color = *pdcolor;
+    }
+    return 0;
+}
+
+/* Update the state for filling a region. */
+private int
+update_fill(gx_device_vector * vdev, const gx_drawing_color * pdcolor,
+	    gs_logical_operation_t lop)
+{
+    int code = gdev_vector_update_fill_color(vdev, pdcolor);
+
+    if (code < 0)
+	return code;
+    return gdev_vector_update_log_op(vdev, lop);
+}
+
+/* Bring state up to date for filling. */
+int
+gdev_vector_prepare_fill(gx_device_vector * vdev, const gs_imager_state * pis,
+	    const gx_fill_params * params, const gx_drawing_color * pdcolor)
+{
+    if (params->flatness != vdev->state.flatness) {
+	int code = (*vdev_proc(vdev, setflat)) (vdev, params->flatness);
+
+	if (code < 0)
+	    return code;
+	vdev->state.flatness = params->flatness;
+    }
+    return update_fill(vdev, pdcolor, pis->log_op);
+}
+
+/* Compare two dash patterns. */
+private bool
+dash_pattern_eq(const float *stored, const gx_dash_params * set, floatp scale)
+{
+    int i;
+
+    for (i = 0; i < set->pattern_size; ++i)
+	if (stored[i] != (float)(set->pattern[i] * scale))
+	    return false;
+    return true;
+}
+
+/* Bring state up to date for stroking. */
+int
+gdev_vector_prepare_stroke(gx_device_vector * vdev, const gs_imager_state * pis,
+	  const gx_stroke_params * params, const gx_drawing_color * pdcolor,
+			   floatp scale)
+{
+    int pattern_size = pis->line_params.dash.pattern_size;
+    float dash_offset = pis->line_params.dash.offset * scale;
+    float half_width = pis->line_params.half_width * scale;
+
+    if (pattern_size > max_dash)
+	return_error(gs_error_limitcheck);
+    if (dash_offset != vdev->state.line_params.dash.offset ||
+	pattern_size != vdev->state.line_params.dash.pattern_size ||
+	(pattern_size != 0 &&
+	 !dash_pattern_eq(vdev->dash_pattern, &pis->line_params.dash,
+			  scale))
+	) {
+	float pattern[max_dash];
+	int i, code;
+
+	for (i = 0; i < pattern_size; ++i)
+	    pattern[i] = pis->line_params.dash.pattern[i] * scale;
+	code = (*vdev_proc(vdev, setdash))
+	    (vdev, pattern, pattern_size, dash_offset);
+	if (code < 0)
+	    return code;
+	memcpy(vdev->dash_pattern, pattern, pattern_size * sizeof(float));
+
+	vdev->state.line_params.dash.pattern_size = pattern_size;
+	vdev->state.line_params.dash.offset = dash_offset;
+    }
+    if (params->flatness != vdev->state.flatness) {
+	int code = (*vdev_proc(vdev, setflat)) (vdev, params->flatness);
+
+	if (code < 0)
+	    return code;
+	vdev->state.flatness = params->flatness;
+    }
+    if (half_width != vdev->state.line_params.half_width) {
+	int code = (*vdev_proc(vdev, setlinewidth))
+	(vdev, pis->line_params.half_width * 2);
+
+	if (code < 0)
+	    return code;
+	vdev->state.line_params.half_width = half_width;
+    }
+    if (pis->line_params.miter_limit != vdev->state.line_params.miter_limit) {
+	int code = (*vdev_proc(vdev, setmiterlimit))
+	(vdev, pis->line_params.miter_limit);
+
+	if (code < 0)
+	    return code;
+	gx_set_miter_limit(&vdev->state.line_params,
+			   pis->line_params.miter_limit);
+    }
+    if (pis->line_params.cap != vdev->state.line_params.cap) {
+	int code = (*vdev_proc(vdev, setlinecap))
+	(vdev, pis->line_params.cap);
+
+	if (code < 0)
+	    return code;
+	vdev->state.line_params.cap = pis->line_params.cap;
+    }
+    if (pis->line_params.join != vdev->state.line_params.join) {
+	int code = (*vdev_proc(vdev, setlinejoin))
+	(vdev, pis->line_params.join);
+
+	if (code < 0)
+	    return code;
+	vdev->state.line_params.join = pis->line_params.join;
+    } {
+	int code = gdev_vector_update_log_op(vdev, pis->log_op);
+
+	if (code < 0)
+	    return code;
+    }
+    if (!drawing_color_eq(pdcolor, &vdev->stroke_color)) {
+	int code = (*vdev_proc(vdev, setstrokecolor)) (vdev, pdcolor);
+
+	if (code < 0)
+	    return code;
+	vdev->stroke_color = *pdcolor;
+    }
+    return 0;
+}
+
+/* Write a polygon as part of a path. */
+/* May call beginpath, moveto, lineto, closepath, endpath. */
+int
+gdev_vector_write_polygon(gx_device_vector * vdev, const gs_fixed_point * points,
+			  uint count, bool close, gx_path_type_t type)
+{
+    int code = 0;
+
+    if (type != gx_path_type_none &&
+	(code = (*vdev_proc(vdev, beginpath)) (vdev, type)) < 0
+	)
+	return code;
+    if (count > 0) {
+	double x = fixed2float(points[0].x) / vdev->scale.x, y = fixed2float(points[0].y) / vdev->scale.y;
+	double x_start = x, y_start = y, x_prev, y_prev;
+	uint i;
+
+	code = (*vdev_proc(vdev, moveto))
+	    (vdev, 0.0, 0.0, x, y, type);
+	if (code >= 0)
+	    for (i = 1; i < count && code >= 0; ++i) {
+		x_prev = x, y_prev = y;
+		code = (*vdev_proc(vdev, lineto))
+		    (vdev, x_prev, y_prev,
+		     (x = fixed2float(points[i].x) / vdev->scale.x),
+		     (y = fixed2float(points[i].y) / vdev->scale.y),
+		     type);
+	    }
+	if (code >= 0 && close)
+	    code = (*vdev_proc(vdev, closepath))
+		(vdev, x, y, x_start, y_start, type);
+    }
+    return (code >= 0 && type != gx_path_type_none ?
+	    (*vdev_proc(vdev, endpath)) (vdev, type) : code);
+}
+
+/* Write a rectangle as part of a path. */
+/* May call moveto, lineto, closepath. */
+int
+gdev_vector_write_rectangle(gx_device_vector * vdev, fixed x0, fixed y0,
+	      fixed x1, fixed y1, bool close, gx_rect_direction_t direction)
+{
+    gs_fixed_point points[4];
+
+    points[0].x = x0, points[0].y = y0;
+    points[2].x = x1, points[2].y = y1;
+    if (direction == gx_rect_x_first)
+	points[1].x = x1, points[1].y = y0,
+	    points[3].x = x0, points[3].y = y1;
+    else
+	points[1].x = x0, points[1].y = y1,
+	    points[3].x = x1, points[3].y = y0;
+    return gdev_vector_write_polygon(vdev, points, 4, close,
+				     gx_path_type_none);
+}
+
+/* Write a clipping path by calling the path procedures. */
+int
+gdev_vector_write_clip_path(gx_device_vector * vdev, const gx_clip_path * pcpath)
+{
+    const gx_clip_rect *prect;
+    gx_clip_rect page_rect;
+    int code;
+
+    if (pcpath == 0) {		/* There's no special provision for initclip. */
+	/* Write a rectangle that covers the entire page. */
+	page_rect.xmin = page_rect.ymin = 0;
+	page_rect.xmax = vdev->width;
+	page_rect.ymax = vdev->height;
+	page_rect.next = 0;
+	prect = &page_rect;
+    } else if (pcpath->path_valid)
+	return (*vdev_proc(vdev, dopath)) (vdev, &pcpath->path,
+					   gx_path_type_clip);
+    else {
+	const gx_clip_list *list = gx_cpath_list(pcpath);
+
+	prect = list->head;
+	if (prect == 0)
+	    prect = &list->single;
+    }
+    /* Write out the rectangles. */
+    code = (*vdev_proc(vdev, beginpath)) (vdev, gx_path_type_clip);
+    for (; code >= 0 && prect != 0; prect = prect->next)
+	if (prect->xmax > prect->xmin && prect->ymax > prect->ymin)
+	    code = gdev_vector_write_rectangle
+		(vdev, int2fixed(prect->xmin), int2fixed(prect->ymin),
+		 int2fixed(prect->xmax), int2fixed(prect->ymax),
+		 false, gx_rect_x_first);
+    if (code >= 0)
+	code = (*vdev_proc(vdev, endpath)) (vdev, gx_path_type_clip);
+    return code;
+}
+
+/* Update the clipping path if needed. */
+int
+gdev_vector_update_clip_path(gx_device_vector * vdev,
+			     const gx_clip_path * pcpath)
+{
+    if (pcpath) {
+	if (pcpath->id != vdev->clip_path_id) {
+	    int code = gdev_vector_write_clip_path(vdev, pcpath);
+
+	    if (code < 0)
+		return code;
+	    vdev->clip_path_id = pcpath->id;
+	}
+    } else {
+	if (vdev->clip_path_id != vdev->no_clip_path_id) {
+	    int code = gdev_vector_write_clip_path(vdev, NULL);
+
+	    if (code < 0)
+		return code;
+	    vdev->clip_path_id = vdev->no_clip_path_id;
+	}
+    }
+    return 0;
+}
+
+/* Close the output file and stream. */
+void
+gdev_vector_close_file(gx_device_vector * vdev)
+{
+    gs_free_object(vdev->v_memory, vdev->bbox_device,
+		   "vector_close(bbox_device)");
+    vdev->bbox_device = 0;
+    sclose(vdev->strm);
+    gs_free_object(vdev->v_memory, vdev->strm, "vector_close(strm)");
+    vdev->strm = 0;
+    gs_free_object(vdev->v_memory, vdev->strmbuf, "vector_close(strmbuf)");
+    vdev->strmbuf = 0;
+    fclose(vdev->file);		/* we prevented sclose from doing this */
+    vdev->file = 0;
+}
+
+/* ---------------- Image enumeration ---------------- */
+
+/* Initialize for enumerating an image. */
+int
+gdev_vector_begin_image(gx_device_vector * vdev,
+			const gs_imager_state * pis, const gs_image_t * pim,
+			gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		    gs_memory_t * mem, const gx_image_enum_procs_t * pprocs,
+			gdev_vector_image_enum_t * pie)
+{
+    const gs_color_space *pcs = pim->ColorSpace;
+    int num_components;
+    int bits_per_pixel;
+    int code;
+
+    if (pim->ImageMask)
+	bits_per_pixel = num_components = 1;
+    else
+	num_components = gs_color_space_num_components(pcs),
+	    bits_per_pixel = pim->BitsPerComponent;
+    code = gx_image_enum_common_init((gx_image_enum_common_t *) pie,
+				     (const gs_image_common_t *)pim,
+				     pprocs, (gx_device *) vdev,
+				     bits_per_pixel, num_components,
+				     format);
+    if (code < 0)
+	return code;
+    pie->bits_per_pixel = bits_per_pixel * num_components /
+	pie->num_planes;
+    pie->default_info = 0;
+    pie->bbox_info = 0;
+    if ((code = gdev_vector_update_log_op(vdev, pis->log_op)) < 0 ||
+	(code = gdev_vector_update_clip_path(vdev, pcpath)) < 0 ||
+	((pim->ImageMask ||
+	  (pim->CombineWithColor && rop3_uses_T(pis->log_op))) &&
+	 (code = gdev_vector_update_fill_color(vdev, pdcolor)) < 0) ||
+	(vdev->bbox_device &&
+	 (code = (*dev_proc(vdev->bbox_device, begin_image))
+	  ((gx_device *) vdev->bbox_device, pis, pim, format, prect,
+	   pdcolor, pcpath, mem, &pie->bbox_info)) < 0)
+	)
+	return code;
+    pie->memory = mem;
+    if (prect)
+	pie->width = prect->q.x - prect->p.x,
+	    pie->height = prect->q.y - prect->p.y;
+    else
+	pie->width = pim->Width, pie->height = pim->Height;
+    pie->bits_per_row = pie->width * pie->bits_per_pixel;
+    pie->y = 0;
+    return 0;
+}
+
+/* End an image, optionally supplying any necessary blank padding rows. */
+/* Return 0 if we used the default implementation, 1 if not. */
+int
+gdev_vector_end_image(gx_device_vector * vdev,
+	 gdev_vector_image_enum_t * pie, bool draw_last, gx_color_index pad)
+{
+    int code;
+
+    if (pie->default_info) {
+	code = gx_default_end_image((gx_device *) vdev, pie->default_info,
+				    draw_last);
+	if (code >= 0)
+	    code = 0;
+    } else {			/* Fill out to the full image height. */
+	if (pie->y < pie->height && pad != gx_no_color_index) {
+	    uint bytes_per_row = (pie->bits_per_row + 7) >> 3;
+	    byte *row = gs_alloc_bytes(pie->memory, bytes_per_row,
+				       "gdev_vector_end_image(fill)");
+
+	    if (row == 0)
+		return_error(gs_error_VMerror);
+/****** FILL VALUE IS WRONG ******/
+	    memset(row, (byte) pad, bytes_per_row);
+	    for (; pie->y < pie->height; pie->y++)
+		gx_image_data((gx_image_enum_common_t *) pie,
+			      (const byte **)&row, 0,
+			      bytes_per_row, 1);
+	    gs_free_object(pie->memory, row,
+			   "gdev_vector_end_image(fill)");
+	}
+	code = 1;
+    }
+    if (vdev->bbox_device) {
+	int bcode = gx_image_end(pie->bbox_info, draw_last);
+
+	if (bcode < 0)
+	    code = bcode;
+    }
+    gs_free_object(pie->memory, pie, "gdev_vector_end_image");
+    return code;
+}
+
+/* ================ Device procedures ================ */
+
+#define vdev ((gx_device_vector *)dev)
+
+/* Get parameters. */
+int
+gdev_vector_get_params(gx_device * dev, gs_param_list * plist)
+{
+    int code = gx_default_get_params(dev, plist);
+    int ecode;
+    gs_param_string ofns;
+
+    if (code < 0)
+	return code;
+    ofns.data = (const byte *)vdev->fname,
+	ofns.size = strlen(vdev->fname),
+	ofns.persistent = false;
+    if ((ecode = param_write_string(plist, "OutputFile", &ofns)) < 0)
+	return ecode;
+    return code;
+}
+
+/* Put parameters. */
+int
+gdev_vector_put_params(gx_device * dev, gs_param_list * plist)
+{
+    int ecode = 0;
+    int code;
+    gs_param_name param_name;
+    gs_param_string ofns;
+
+    switch (code = param_read_string(plist, (param_name = "OutputFile"), &ofns)) {
+	case 0:
+	    if (ofns.size > fname_size)
+		ecode = gs_error_limitcheck;
+	    else
+		break;
+	    goto ofe;
+	default:
+	    ecode = code;
+	  ofe:param_signal_error(plist, param_name, ecode);
+	case 1:
+	    ofns.data = 0;
+	    break;
+    }
+
+    if (ecode < 0)
+	return ecode;
+    {
+	bool open = dev->is_open;
+
+	/* Don't let gx_default_put_params close the device. */
+	dev->is_open = false;
+	code = gx_default_put_params(dev, plist);
+	dev->is_open = open;
+    }
+    if (code < 0)
+	return code;
+
+    if (ofns.data != 0 &&
+	bytes_compare(ofns.data, ofns.size,
+		      (const byte *)vdev->fname, strlen(vdev->fname))
+	) {
+	memcpy(vdev->fname, ofns.data, ofns.size);
+	vdev->fname[ofns.size] = 0;
+	if (vdev->file != 0) {
+	    gdev_vector_close_file(vdev);
+	    return gdev_vector_open_file(vdev, vdev->strmbuf_size);
+	}
+    }
+    gdev_vector_load_cache(vdev);	/* in case color mapping changed */
+    return 0;
+}
+
+/* ---------------- Defaults ---------------- */
+
+int
+gdev_vector_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			   gx_color_index color)
+{
+    gx_drawing_color dcolor;
+
+    /* Ignore the initial fill with white. */
+    if (!vdev->in_page && color == vdev->white)
+	return 0;
+    color_set_pure(&dcolor, color);
+    {
+	int code = update_fill(vdev, &dcolor, rop3_T);
+
+	if (code < 0)
+	    return code;
+    }
+    if (vdev->bbox_device) {
+	int code = (*dev_proc(vdev->bbox_device, fill_rectangle))
+	((gx_device *) vdev->bbox_device, x, y, w, h, color);
+
+	if (code < 0)
+	    return code;
+    }
+    return (*vdev_proc(vdev, dorect)) (vdev, int2fixed(x), int2fixed(y),
+				       int2fixed(x + w), int2fixed(y + h),
+				       gx_path_type_fill);
+}
+
+int
+gdev_vector_fill_path(gx_device * dev, const gs_imager_state * pis,
+		      gx_path * ppath, const gx_fill_params * params,
+		 const gx_device_color * pdevc, const gx_clip_path * pcpath)
+{
+    int code;
+
+    if ((code = gdev_vector_prepare_fill(vdev, pis, params, pdevc)) < 0 ||
+	(code = gdev_vector_update_clip_path(vdev, pcpath)) < 0 ||
+	(vdev->bbox_device &&
+	 (code = (*dev_proc(vdev->bbox_device, fill_path))
+	  ((gx_device *) vdev->bbox_device, pis, ppath, params,
+	   pdevc, pcpath)) < 0) ||
+	(code = (*vdev_proc(vdev, dopath))
+	 (vdev, ppath,
+	  (params->rule > 0 ? gx_path_type_even_odd :
+	   gx_path_type_winding_number) | gx_path_type_fill)) < 0
+	)
+	return gx_default_fill_path(dev, pis, ppath, params, pdevc, pcpath);
+    return code;
+}
+
+int
+gdev_vector_stroke_path(gx_device * dev, const gs_imager_state * pis,
+			gx_path * ppath, const gx_stroke_params * params,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath)
+{
+    int code;
+
+/****** HANDLE SCALE ******/
+    if ((code = gdev_vector_prepare_stroke(vdev, pis, params, pdcolor,
+					   dev->HWResolution[0])) < 0 ||
+	(code = gdev_vector_update_clip_path(vdev, pcpath)) < 0 ||
+	(vdev->bbox_device &&
+	 (code = (*dev_proc(vdev->bbox_device, stroke_path))
+	  ((gx_device *) vdev->bbox_device, pis, ppath, params,
+	   pdcolor, pcpath)) < 0) ||
+	(code = (*vdev_proc(vdev, dopath))
+	 (vdev, ppath, gx_path_type_stroke)) < 0
+	)
+	return gx_default_stroke_path(dev, pis, ppath, params, pdcolor, pcpath);
+    return code;
+}
+
+int
+gdev_vector_fill_trapezoid(gx_device * dev, const gs_fixed_edge * left,
+	const gs_fixed_edge * right, fixed ybot, fixed ytop, bool swap_axes,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    fixed xl = left->start.x;
+    fixed wl = left->end.x - xl;
+    fixed yl = left->start.y;
+    fixed hl = left->end.y - yl;
+    fixed xr = right->start.x;
+    fixed wr = right->end.x - xr;
+    fixed yr = right->start.y;
+    fixed hr = right->end.y - yr;
+    fixed x0l = xl + fixed_mult_quo(wl, ybot - yl, hl);
+    fixed x1l = xl + fixed_mult_quo(wl, ytop - yl, hl);
+    fixed x0r = xr + fixed_mult_quo(wr, ybot - yr, hr);
+    fixed x1r = xr + fixed_mult_quo(wr, ytop - yr, hr);
+
+#define y0 ybot
+#define y1 ytop
+    int code = update_fill(vdev, pdevc, lop);
+    gs_fixed_point points[4];
+
+    if (code < 0)
+	return gx_default_fill_trapezoid(dev, left, right, ybot, ytop,
+					 swap_axes, pdevc, lop);
+    if (swap_axes)
+	points[0].y = x0l, points[1].y = x0r,
+	    points[0].x = points[1].x = y0,
+	    points[2].y = x1r, points[3].y = x1l,
+	    points[2].x = points[3].x = y1;
+    else
+	points[0].x = x0l, points[1].x = x0r,
+	    points[0].y = points[1].y = y0,
+	    points[2].x = x1r, points[3].x = x1l,
+	    points[2].y = points[3].y = y1;
+#undef y0
+#undef y1
+    if (vdev->bbox_device) {
+	int code = (*dev_proc(vdev->bbox_device, fill_trapezoid))
+	((gx_device *) vdev->bbox_device, left, right, ybot, ytop,
+	 swap_axes, pdevc, lop);
+
+	if (code < 0)
+	    return code;
+    }
+    return gdev_vector_write_polygon(vdev, points, 4, true,
+				     gx_path_type_fill);
+}
+
+int
+gdev_vector_fill_parallelogram(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    fixed pax = px + ax, pay = py + ay;
+    int code = update_fill(vdev, pdevc, lop);
+    gs_fixed_point points[4];
+
+    if (code < 0)
+	return gx_default_fill_parallelogram(dev, px, py, ax, ay, bx, by,
+					     pdevc, lop);
+    if (vdev->bbox_device) {
+	code = (*dev_proc(vdev->bbox_device, fill_parallelogram))
+	    ((gx_device *) vdev->bbox_device, px, py, ax, ay, bx, by,
+	     pdevc, lop);
+	if (code < 0)
+	    return code;
+    }
+    points[0].x = px, points[0].y = py;
+    points[1].x = pax, points[0].y = pay;
+    points[2].x = pax + bx, points[2].y = pay + by;
+    points[3].x = px + bx, points[3].y = py + by;
+    return gdev_vector_write_polygon(vdev, points, 4, true,
+				     gx_path_type_fill);
+}
+
+int
+gdev_vector_fill_triangle(gx_device * dev,
+		 fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
+		  const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    int code = update_fill(vdev, pdevc, lop);
+    gs_fixed_point points[3];
+
+    if (code < 0)
+	return gx_default_fill_triangle(dev, px, py, ax, ay, bx, by,
+					pdevc, lop);
+    if (vdev->bbox_device) {
+	code = (*dev_proc(vdev->bbox_device, fill_triangle))
+	    ((gx_device *) vdev->bbox_device, px, py, ax, ay, bx, by,
+	     pdevc, lop);
+	if (code < 0)
+	    return code;
+    }
+    points[0].x = px, points[0].y = py;
+    points[1].x = px + ax, points[1].y = py + ay;
+    points[2].x = px + bx, points[2].y = py + by;
+    return gdev_vector_write_polygon(vdev, points, 3, true,
+				     gx_path_type_fill);
+}
+
+#undef vdev
diff --git a/pstoraster/gdevvec.h b/pstoraster/gdevvec.h
new file mode 100644
index 000000000..f4a2aebb4
--- /dev/null
+++ b/pstoraster/gdevvec.h
@@ -0,0 +1,349 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common definitions for "vector" devices */
+
+#ifndef gdevvec_INCLUDED
+#  define gdevvec_INCLUDED
+
+#include "gp.h"			/* for gp_file_name_sizeof */
+#include "gsropt.h"
+#include "gxdevice.h"
+#include "gdevbbox.h"
+#include "gxiparam.h"
+#include "gxistate.h"
+#include "stream.h"
+
+/******
+ ****** NOTE: EVERYTHING IN THIS FILE IS SUBJECT TO CHANGE WITHOUT NOTICE.
+ ****** USE AT YOUR OWN RISK.
+ ******/
+
+/*
+ * "Vector" devices produce a stream of higher-level drawing commands rather
+ * than a raster image.  (We don't like the term "vector", since the command
+ * vocabulary typically includes text and raster images as well as actual
+ * vectors, but it's widely used in the industry, and we weren't able to
+ * find one that read better.)  Some examples of "vector" formats are PDF,
+ * PostScript, PCL XL, HP-GL/2 + RTL, CGM, Windows Metafile, and Macintosh
+ * PICT.
+ *
+ * This file extends the basic driver structure with elements likely to be
+ * useful to vector devices.  These include:
+ *
+ *      - Tracking whether any marks have been made on the page;
+ *
+ *      - Keeping track of the page bounding box;
+ *
+ *      - A copy of the most recently written current graphics state
+ *      parameters;
+ *
+ *      - An output stream (for drivers that compress or otherwise filter
+ *      their output);
+ *
+ *      - A vector of procedures for writing changes to the graphics state.
+ *
+ *      - The ability to work with scaled output coordinate systems.
+ *
+ * We expect to add more elements and procedures as we gain more experience
+ * with this kind of driver.
+ */
+
+/* ================ Types and structures ================ */
+
+/* Define the abstract type for a vector device. */
+typedef struct gx_device_vector_s gx_device_vector;
+
+/* Define the maximum size of the output file name. */
+#define fname_size (gp_file_name_sizeof - 1)
+
+/* Define the longest dash pattern we can remember. */
+#define max_dash 11
+
+/*
+ * Define procedures for writing common output elements.  Not all devices
+ * will support all of these elements.  Note that these procedures normally
+ * only write out commands, and don't update the driver state itself.  All
+ * of them are optional, called only as indicated under the utility
+ * procedures below.
+ */
+typedef enum {
+    gx_path_type_none = 0,
+    /*
+     * All combinations of flags are legal.  Multiple commands are
+     * executed in the order fill, stroke, clip.
+     */
+    gx_path_type_fill = 1,
+    gx_path_type_stroke = 2,
+    gx_path_type_clip = 4,
+    gx_path_type_winding_number = 0,
+    gx_path_type_even_odd = 8,
+    gx_path_type_rule = gx_path_type_winding_number | gx_path_type_even_odd
+} gx_path_type_t;
+typedef enum {
+    gx_rect_x_first,
+    gx_rect_y_first
+} gx_rect_direction_t;
+typedef struct gx_device_vector_procs_s {
+    /* Page management */
+    int (*beginpage) (P1(gx_device_vector * vdev));
+    /* Imager state */
+    int (*setlinewidth) (P2(gx_device_vector * vdev, floatp width));
+    int (*setlinecap) (P2(gx_device_vector * vdev, gs_line_cap cap));
+    int (*setlinejoin) (P2(gx_device_vector * vdev, gs_line_join join));
+    int (*setmiterlimit) (P2(gx_device_vector * vdev, floatp limit));
+    int (*setdash) (P4(gx_device_vector * vdev, const float *pattern,
+		       uint count, floatp offset));
+    int (*setflat) (P2(gx_device_vector * vdev, floatp flatness));
+    int (*setlogop) (P3(gx_device_vector * vdev, gs_logical_operation_t lop,
+			gs_logical_operation_t diff));
+    /* Other state */
+    int (*setfillcolor) (P2(gx_device_vector * vdev, const gx_drawing_color * pdc));
+    int (*setstrokecolor) (P2(gx_device_vector * vdev, const gx_drawing_color * pdc));
+    /* Paths */
+    /* dopath and dorect are normally defaulted */
+    int (*dopath) (P3(gx_device_vector * vdev, const gx_path * ppath,
+		      gx_path_type_t type));
+    int (*dorect) (P6(gx_device_vector * vdev, fixed x0, fixed y0, fixed x1,
+		      fixed y1, gx_path_type_t type));
+    int (*beginpath) (P2(gx_device_vector * vdev, gx_path_type_t type));
+    int (*moveto) (P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		      floatp x, floatp y, gx_path_type_t type));
+    int (*lineto) (P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		      floatp x, floatp y, gx_path_type_t type));
+    int (*curveto) (P10(gx_device_vector * vdev, floatp x0, floatp y0,
+			floatp x1, floatp y1, floatp x2, floatp y2,
+			floatp x3, floatp y3, gx_path_type_t type));
+    int (*closepath) (P6(gx_device_vector * vdev, floatp x0, floatp y0,
+		      floatp x_start, floatp y_start, gx_path_type_t type));
+    int (*endpath) (P2(gx_device_vector * vdev, gx_path_type_t type));
+} gx_device_vector_procs;
+
+/* Default implementations of procedures */
+/* setflat does nothing */
+int gdev_vector_setflat(P2(gx_device_vector * vdev, floatp flatness));
+
+/* dopath may call dorect, beginpath, moveto/lineto/curveto/closepath, */
+/* endpath */
+int gdev_vector_dopath(P3(gx_device_vector * vdev, const gx_path * ppath,
+			  gx_path_type_t type));
+
+/* dorect may call beginpath, moveto, lineto, closepath */
+int gdev_vector_dorect(P6(gx_device_vector * vdev, fixed x0, fixed y0,
+			  fixed x1, fixed y1, gx_path_type_t type));
+
+/* Finally, define the extended device structure. */
+#define gx_device_vector_common\
+	gx_device_common;\
+	gs_memory_t *v_memory;\
+		/* Output element writing procedures */\
+	const gx_device_vector_procs *vec_procs;\
+		/* Output file */\
+	char fname[fname_size + 1];\
+	FILE *file;\
+	stream *strm;\
+	byte *strmbuf;\
+	uint strmbuf_size;\
+		/* Graphics state */\
+	gs_imager_state state;\
+	float dash_pattern[max_dash];\
+	gx_drawing_color fill_color, stroke_color;\
+	gs_id no_clip_path_id;	/* indicates no clipping */\
+	gs_id clip_path_id;\
+		/* Other state */\
+	gs_point scale;		/* device coords / scale => output coords */\
+	bool in_page;		/* true if any marks on this page */\
+	gx_device_bbox *bbox_device;	/* for tracking bounding box */\
+		/* Cached values */\
+	gx_color_index black, white
+#define vdev_proc(vdev, p) ((vdev)->vec_procs->p)
+
+#define vector_initial_values\
+	0,		/* v_memory */\
+	0,		/* vec_procs */\
+	 { 0 },		/* fname */\
+	0,		/* file */\
+	0,		/* strm */\
+	0,		/* strmbuf */\
+	0,		/* strmbuf_size */\
+	 { 0 },		/* state */\
+	 { 0 },		/* dash_pattern */\
+	 { 0 },		/* fill_color ****** WRONG ****** */\
+	 { 0 },		/* stroke_color ****** WRONG ****** */\
+	gs_no_id,	/* clip_path_id */\
+	gs_no_id,	/* no_clip_path_id */\
+	 { X_DPI/72.0, Y_DPI/72.0 },	/* scale */\
+	0/*false*/,	/* in_page */\
+	0,		/* bbox_device */\
+	gx_no_color_index,	/* black */\
+	gx_no_color_index	/* white */
+
+struct gx_device_vector_s {
+    gx_device_vector_common;
+};
+
+/* st_device_vector is never instantiated per se, but we still need to */
+/* extern its descriptor for the sake of subclasses. */
+extern_st(st_device_vector);
+#define public_st_device_vector()	/* in gdevvec.c */\
+  gs_public_st_suffix_add3_final(st_device_vector, gx_device_vector,\
+    "gx_device_vector", device_vector_enum_ptrs,\
+    device_vector_reloc_ptrs, gx_device_finalize, st_device, strm, strmbuf,\
+    bbox_device)
+#define st_device_vector_max_ptrs (st_device_max_ptrs + 3)
+
+/* ================ Utility procedures ================ */
+
+/* Initialize the state. */
+void gdev_vector_init(P1(gx_device_vector * vdev));
+
+/* Reset the remembered graphics state. */
+void gdev_vector_reset(P1(gx_device_vector * vdev));
+
+/* Open the output file and stream, with optional bbox tracking. */
+int gdev_vector_open_file_bbox(P3(gx_device_vector * vdev, uint strmbuf_size,
+				  bool bbox));
+
+#define gdev_vector_open_file(vdev, strmbuf_size)\
+  gdev_vector_open_file_bbox(vdev, strmbuf_size, false)
+
+/* Get the current stream, calling beginpage if in_page is false. */
+stream *gdev_vector_stream(P1(gx_device_vector * vdev));
+
+/* Bring the logical operation up to date. */
+/* May call setlogop. */
+int gdev_vector_update_log_op(P2(gx_device_vector * vdev,
+				 gs_logical_operation_t lop));
+
+/* Bring the fill color up to date. */
+/* May call setfillcolor. */
+int gdev_vector_update_fill_color(P2(gx_device_vector * vdev,
+				     const gx_drawing_color * pdcolor));
+
+/* Bring state up to date for filling. */
+/* May call setflat, setfillcolor, setlogop. */
+int gdev_vector_prepare_fill(P4(gx_device_vector * vdev,
+				const gs_imager_state * pis,
+				const gx_fill_params * params,
+				const gx_drawing_color * pdcolor));
+
+/* Bring state up to date for stroking.  Note that we pass the scale */
+/* for the line width and dash offset explicitly. */
+/* May call setlinewidth, setlinecap, setlinejoin, setmiterlimit, */
+/* setdash, setflat, setstrokecolor, setlogop. */
+int gdev_vector_prepare_stroke(P5(gx_device_vector * vdev,
+				  const gs_imager_state * pis,
+				  const gx_stroke_params * params,
+				  const gx_drawing_color * pdcolor,
+				  floatp scale));
+
+/* Write a polygon as part of a path (type = gx_path_type_none) */
+/* or as a path. */
+/* May call moveto, lineto, closepath (if close); */
+/* may call beginpath & endpath if type != none. */
+int gdev_vector_write_polygon(P5(gx_device_vector * vdev,
+				 const gs_fixed_point * points, uint count,
+				 bool close, gx_path_type_t type));
+
+/* Write a rectangle.  This is just a special case of write_polygon. */
+int gdev_vector_write_rectangle(P7(gx_device_vector * vdev,
+				   fixed x0, fixed y0, fixed x1, fixed y1,
+				   bool close, gx_rect_direction_t dir));
+
+/* Write a clipping path by calling the path procedures. */
+/* May call the same procedures as writepath. */
+int gdev_vector_write_clip_path(P2(gx_device_vector * vdev,
+				   const gx_clip_path * pcpath));
+
+/* Bring the clipping state up to date. */
+/* May call write_rectangle (q.v.), write_clip_path (q.v.). */
+int gdev_vector_update_clip_path(P2(gx_device_vector * vdev,
+				    const gx_clip_path * pcpath));
+
+/* Close the output file and stream. */
+void gdev_vector_close_file(P1(gx_device_vector * vdev));
+
+/* ---------------- Image enumeration ---------------- */
+
+/* Define a common set of state parameters for enumerating images. */
+#define gdev_vector_image_enum_common\
+	gx_image_enum_common;\
+		/* Set by begin_image */\
+	gs_memory_t *memory;	/* from begin_image */\
+	gx_image_enum_common_t *default_info;	/* non-0 iff using default implementation */\
+	gx_image_enum_common_t *bbox_info;	/* non-0 iff passing image data to bbox dev */\
+	int width, height;\
+	int bits_per_pixel;	/* (per plane) */\
+	uint bits_per_row;	/* (per plane) */\
+		/* Updated dynamically by image_data */\
+	int y			/* 0 <= y < height */
+typedef struct gdev_vector_image_enum_s {
+    gdev_vector_image_enum_common;
+} gdev_vector_image_enum_t;
+
+extern_st(st_vector_image_enum);
+#define public_st_vector_image_enum()	/* in gdevvec.c */\
+  gs_public_st_ptrs2(st_vector_image_enum, gdev_vector_image_enum_t,\
+    "gdev_vector_image_enum_t", vector_image_enum_enum_ptrs,\
+    vector_image_enum_reloc_ptrs, default_info, bbox_info)
+
+/*
+ * Initialize for enumerating an image.  Note that the last argument is an
+ * already-allocated enumerator, not a pointer to the place to store the
+ * enumerator.
+ */
+int gdev_vector_begin_image(P10(gx_device_vector * vdev,
+			const gs_imager_state * pis, const gs_image_t * pim,
+			gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		    gs_memory_t * mem, const gx_image_enum_procs_t * pprocs,
+				gdev_vector_image_enum_t * pie));
+
+/* End an image, optionally supplying any necessary blank padding rows. */
+/* Return 0 if we used the default implementation, 1 if not. */
+int gdev_vector_end_image(P4(gx_device_vector * vdev,
+       gdev_vector_image_enum_t * pie, bool draw_last, gx_color_index pad));
+
+/* ================ Device procedures ================ */
+
+/* Redefine get/put_params to handle OutputFile. */
+dev_proc_put_params(gdev_vector_put_params);
+dev_proc_get_params(gdev_vector_get_params);
+
+/* ---------------- Defaults ---------------- */
+
+/* fill_rectangle may call setfillcolor, dorect. */
+dev_proc_fill_rectangle(gdev_vector_fill_rectangle);
+/* fill_path may call prepare_fill, writepath, write_clip_path. */
+dev_proc_fill_path(gdev_vector_fill_path);
+/* stroke_path may call prepare_stroke, write_path, write_clip_path. */
+dev_proc_stroke_path(gdev_vector_stroke_path);
+/* fill_trapezoid, fill_parallelogram, and fill_triangle may call */
+/* setfillcolor, setlogop, beginpath, moveto, lineto, endpath. */
+dev_proc_fill_trapezoid(gdev_vector_fill_trapezoid);
+dev_proc_fill_parallelogram(gdev_vector_fill_parallelogram);
+dev_proc_fill_triangle(gdev_vector_fill_triangle);
+
+#endif /* gdevvec_INCLUDED */
diff --git a/pstoraster/genarch.c b/pstoraster/genarch.c
new file mode 100644
index 000000000..a8f308bff
--- /dev/null
+++ b/pstoraster/genarch.c
@@ -0,0 +1,163 @@
+/* Copyright (C) 1989, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generate a header file (arch.h) with parameters */
+/* reflecting the machine architecture and compiler characteristics. */
+
+#include "stdpre.h"
+#include <stdio.h>
+
+/* We should write the result on stdout, but the original Turbo C 'make' */
+/* can't handle output redirection (sigh). */
+
+private void
+section(FILE * f, char *str)
+{
+    fprintf(f, "\n\t /* ---------------- %s ---------------- */\n\n", str);
+}
+
+int
+main(int argc, char *argv[])
+{
+    char *fname = argv[1];
+    long one = 1;
+    char *ffs = "ffffffffffffffff";	/* 8 bytes */
+    int ffs_strlen = strlen(ffs);
+    struct {
+	char c;
+	short s;
+    } ss;
+    struct {
+	char c;
+	int i;
+    } si;
+    struct {
+	char c;
+	long l;
+    } sl;
+    struct {
+	char c;
+	char *p;
+    } sp;
+    struct {
+	char c;
+	float f;
+    } sf;
+    struct {
+	char c;
+	double d;
+    } sd;
+    static int log2s[17] =
+    {0, 0, 1, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4};
+    long lm1 = -1;
+    long lr1 = lm1 >> 1, lr2 = lm1 >> 2;
+    unsigned long um1 = ~(unsigned long)0;
+    int im1 = -1;
+    int ir1 = im1 >> 1, ir2 = im1 >> 2;
+    union {
+	long l;
+	char *p;
+    } pl0, pl1;
+    int ars;
+    int lwidth = size_of(long) * 8;
+    union {
+	float f;
+	int i;
+	long l;
+    } f0 , f1, fm1;
+    FILE *f = fopen(fname, "w");
+
+    if (f == NULL) {
+	fprintf(stderr, "genarch.c: can't open %s for writing\n", fname);
+	return exit_FAILED;
+    }
+    fprintf(f, "/* Parameters derived from machine and compiler architecture */\n");
+
+    section(f, "Scalar alignments");
+
+#define OFFSET_IN(s, e) (int)((char *)&s.e - (char *)&s)
+    fprintf(f, "#define arch_align_short_mod %d\n", OFFSET_IN(ss, s));
+    fprintf(f, "#define arch_align_int_mod %d\n", OFFSET_IN(si, i));
+    fprintf(f, "#define arch_align_long_mod %d\n", OFFSET_IN(sl, l));
+    fprintf(f, "#define arch_align_ptr_mod %d\n", OFFSET_IN(sp, p));
+    fprintf(f, "#define arch_align_float_mod %d\n", OFFSET_IN(sf, f));
+    fprintf(f, "#define arch_align_double_mod %d\n", OFFSET_IN(sd, d));
+#undef OFFSET_IN
+
+    section(f, "Scalar sizes");
+
+    fprintf(f, "#define arch_log2_sizeof_short %d\n", log2s[size_of(short)]);
+    fprintf(f, "#define arch_log2_sizeof_int %d\n", log2s[size_of(int)]);
+    fprintf(f, "#define arch_log2_sizeof_long %d\n", log2s[size_of(long)]);
+    fprintf(f, "#define arch_sizeof_ptr %d\n", size_of(char *));
+    fprintf(f, "#define arch_sizeof_float %d\n", size_of(float));
+    fprintf(f, "#define arch_sizeof_double %d\n", size_of(double));
+
+    section(f, "Unsigned max values");
+
+#define PRINT_MAX(str, typ, tstr, l)\
+  fprintf(f, "#define arch_max_%s ((%s)0x%s%s + (%s)0)\n",\
+    str, tstr, ffs + ffs_strlen - size_of(typ) * 2, l, tstr)
+    PRINT_MAX("uchar", unsigned char, "unsigned char", "");
+    PRINT_MAX("ushort", unsigned short, "unsigned short", "");
+    PRINT_MAX("uint", unsigned int, "unsigned int", "");
+    PRINT_MAX("ulong", unsigned long, "unsigned long", "L");
+
+#undef PRINT_MAX
+
+    section(f, "Miscellaneous");
+
+    fprintf(f, "#define arch_is_big_endian %d\n", 1 - *(char *)&one);
+    pl0.l = 0;
+    pl1.l = -1;
+    fprintf(f, "#define arch_ptrs_are_signed %d\n",
+	    (pl1.p < pl0.p));
+    f0.f = 0.0, f1.f = 1.0, fm1.f = -1.0;
+    /* We have to test the size dynamically here, */
+    /* because the preprocessor can't evaluate sizeof. */
+    fprintf(f, "#define arch_floats_are_IEEE %d\n",
+	    ((size_of(float) == size_of(int) ?
+	  f0.i == 0 && f1.i == (int)0x3f800000 && fm1.i == (int)0xbf800000 :
+	      f0.l == 0 && f1.l == 0x3f800000L && fm1.l == 0xbf800000L)
+	     ? 1 : 0));
+
+    /* There are three cases for arithmetic right shift: */
+    /* always correct, correct except for right-shifting a long by 1 */
+    /* (a bug in some versions of the Turbo C compiler), and */
+    /* never correct. */
+    ars = (lr2 != -1 || ir1 != -1 || ir2 != -1 ? 0 :
+	   lr1 != -1 ? 1 :	/* Turbo C problem */
+	   2);
+    fprintf(f, "#define arch_arith_rshift %d\n", ars);
+    /* Some machines can't handle a variable shift by */
+    /* the full width of a long. */
+    fprintf(f, "#define arch_can_shift_full_long %d\n",
+	    um1 >> lwidth == 0);
+
+/* ---------------- Done. ---------------- */
+
+    fclose(f);
+    return exit_OK;
+}
diff --git a/pstoraster/ghost.h b/pstoraster/ghost.h
new file mode 100644
index 000000000..5df931e78
--- /dev/null
+++ b/pstoraster/ghost.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1989, 1992 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common definitions for interpreter */
+
+#ifndef ghost_INCLUDED
+#  define ghost_INCLUDED
+
+#include "gx.h"
+#include "iref.h"
+
+#endif /* ghost_INCLUDED */
diff --git a/pstoraster/gp.h b/pstoraster/gp.h
new file mode 100644
index 000000000..39aa8c4aa
--- /dev/null
+++ b/pstoraster/gp.h
@@ -0,0 +1,233 @@
+/* Copyright (C) 1991, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to platform-specific routines */
+/* Requires gsmemory.h, gstypes.h */
+
+#ifndef gp_INCLUDED
+#  define gp_INCLUDED
+
+/*
+ * This file defines the interface to ***ALL*** platform-specific routines,
+ * with the exception of the thread/synchronization interface (gpsync.h).
+ * The routines are implemented in a gp_*.c file specific to each platform.
+ * We try very hard to keep this list short!
+ */
+/*
+ * gp_getenv is declared in a separate file, because a few places need it
+ * and don't want to include any of the other gs definitions.
+ */
+#include "gpgetenv.h"
+
+/* ------ Initialization/termination ------ */
+
+/*
+ * This routine is called early in the initialization.
+ * It should do as little as possible.  In particular, it should not
+ * do things like open display connections: that is the responsibility
+ * of the display device driver.
+ */
+void gp_init(P0());
+
+/*
+ * This routine is called just before the program exits (normally or
+ * abnormally).  It too should do as little as possible.
+ */
+void gp_exit(P2(int exit_status, int code));
+
+/*
+ * Exit the program.  Normally this just calls the `exit' library procedure,
+ * but it does something different on a few platforms.
+ */
+void gp_do_exit(P1(int exit_status));
+
+/* ------ Miscellaneous ------ */
+
+/*
+ * Get the string corresponding to an OS error number.
+ * If no string is available, return NULL.  The caller may assume
+ * the string is allocated statically and permanently.
+ */
+const char *gp_strerror(P1(int));
+
+/* ------ Date and time ------ */
+
+/*
+ * Read the current time (in seconds since an implementation-defined epoch)
+ * into ptm[0], and fraction (in nanoseconds) into ptm[1].
+ */
+void gp_get_realtime(P1(long ptm[2]));
+
+/*
+ * Read the current user CPU time (in seconds) into ptm[0],
+ * and fraction (in nanoseconds) into ptm[1].
+ */
+void gp_get_usertime(P1(long ptm[2]));
+
+/* ------ Screen management ------ */
+
+/*
+ * The following routines are only relevant in a single-window environment
+ * such as a PC; on platforms with window systems, the 'make current'
+ * routines do nothing.
+ */
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+
+/* Initialize the console. */
+void gp_init_console(P0());
+
+/* Write a string to the console. */
+void gp_console_puts(P2(const char *, uint));
+
+/* Make the console current on the screen. */
+int gp_make_console_current(P1(gx_device *));
+
+/* Make the graphics current on the screen. */
+int gp_make_graphics_current(P1(gx_device *));
+
+/*
+ * The following are only relevant for X Windows.
+ */
+
+/* Get the environment variable that specifies the display to use. */
+const char *gp_getenv_display(P0());
+
+/* ------ File naming and accessing ------ */
+
+/*
+ * Define the maximum size of a file name returned by gp_open_scratch_file
+ * or gp_open_printer.  (This should really be passed as an additional
+ * parameter, but it would break too many clients to make this change now.)
+ * Note that this is the size of the buffer, not the maximum number of
+ * characters: the latter is one less, because of the terminating \0.
+ */
+#define gp_file_name_sizeof 128
+
+/* Define the character used for separating file names in a list. */
+extern const char gp_file_name_list_separator;
+
+/* Define the default scratch file name prefix. */
+extern const char gp_scratch_file_name_prefix[];
+
+/* Define the name of the null output file. */
+extern const char gp_null_file_name[];
+
+/* Define the name that designates the current directory. */
+extern const char gp_current_directory_name[];
+
+/* Define the string to be concatenated with the file mode */
+/* for opening files without end-of-line conversion. */
+/* This is always either "" or "b". */
+extern const char gp_fmode_binary_suffix[];
+
+/* Define the file modes for binary reading or writing. */
+/* (This is just a convenience: they are "r" or "w" + the suffix.) */
+extern const char gp_fmode_rb[];
+extern const char gp_fmode_wb[];
+
+/* Create and open a scratch file with a given name prefix. */
+/* Write the actual file name at fname. */
+FILE *gp_open_scratch_file(P3(const char *prefix,
+			      char fname[gp_file_name_sizeof],
+			      const char *mode));
+
+/* Open a file with the given name, as a stream of uninterpreted bytes. */
+FILE *gp_fopen(P2(const char *fname, const char *mode));
+
+/* Force given file into binary mode (no eol translations, etc) */
+/* if 2nd param true, text mode if 2nd param false */
+bool gp_setmode_binary(P2(FILE * pfile, bool mode));
+
+/* Answer whether a file name contains a directory/device specification, */
+/* i.e. is absolute (not directory- or device-relative). */
+bool gp_file_name_is_absolute(P2(const char *fname, uint len));
+
+/* Answer the string to be used for combining a directory/device prefix */
+/* with a base file name.  The file name is known to not be absolute. */
+const char *gp_file_name_concat_string(P4(const char *prefix, uint plen,
+					  const char *fname, uint len));
+
+/* ------ Printer accessing ------ */
+
+/*
+ * Open a connection to a printer.  A null file name means use the
+ * standard printer connected to the machine, if any.
+ * If possible, support "|command" for opening an output pipe.
+ * Return NULL if the connection could not be opened.
+ *
+ * Note that if the file name is null (0-length), it may be replaced with
+ * the name of a scratch file.
+ */
+FILE *gp_open_printer(P2(char fname[gp_file_name_sizeof], int binary_mode));
+
+/* Close the connection to the printer. */
+void gp_close_printer(P2(FILE * pfile, const char *fname));
+
+/* ------ File enumeration ------ */
+
+#ifndef file_enum_DEFINED	/* also defined in iodev.h */
+#  define file_enum_DEFINED
+struct file_enum_s;		/* opaque to client, defined by implementor */
+typedef struct file_enum_s file_enum;
+
+#endif
+
+/*
+ * Begin an enumeration.  pat is a C string that may contain *s or ?s.
+ * The implementor should copy the string to a safe place.
+ * If the operating system doesn't support correct, arbitrarily placed
+ * *s and ?s, the implementation should modify the string so that it
+ * will return a conservative superset of the request, and then use
+ * the string_match procedure to select the desired subset.  E.g., if the
+ * OS doesn't implement ? (single-character wild card), any consecutive
+ * string of ?s should be interpreted as *.  Note that \ can appear in
+ * the pattern also, as a quoting character.
+ */
+file_enum *gp_enumerate_files_init(P3(const char *pat, uint patlen,
+				      gs_memory_t * memory));
+
+/*
+ * Return the next file name in the enumeration.  The client passes in
+ * a scratch string and a max length.  If the name of the next file fits,
+ * the procedure returns the length.  If it doesn't fit, the procedure
+ * returns max length +1.  If there are no more files, the procedure
+ * returns -1.
+ */
+uint gp_enumerate_files_next(P3(file_enum * pfen, char *ptr, uint maxlen));
+
+/*
+ * Clean up a file enumeration.  This is only called to abandon
+ * an enumeration partway through: ...next should do it if there are
+ * no more files to enumerate.  This should deallocate the file_enum
+ * structure and any subsidiary structures, strings, buffers, etc.
+ */
+void gp_enumerate_files_close(P1(file_enum * pfen));
+
+#endif /* gp_INCLUDED */
diff --git a/pstoraster/gp_getnv.c b/pstoraster/gp_getnv.c
new file mode 100644
index 000000000..fbf997f32
--- /dev/null
+++ b/pstoraster/gp_getnv.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Standard implementation of gp_getenv */
+#include "stdio_.h"
+#include "string_.h"
+#include "gsmemory.h"
+#include "gstypes.h"
+#include "gp.h"
+
+/* Import the C getenv function. */
+extern char *getenv(P1(const char *));
+
+/* Get the value of an environment variable.  See gp.h for details. */
+int
+gp_getenv(const char *key, char *ptr, int *plen)
+{
+    const char *str = getenv(key);
+
+    if (str) {
+	int len = strlen(str);
+
+	if (len < *plen) {
+	    /* string fits */
+	    strcpy(ptr, str);
+	    *plen = len + 1;
+	    return 0;
+	}
+	/* string doesn't fit */
+	*plen = len + 1;
+	return -1;
+    }
+    /* missing key */
+    if (*plen > 0)
+	*ptr = 0;
+    *plen = 1;
+    return 1;
+}
diff --git a/pstoraster/gp_nofb.c b/pstoraster/gp_nofb.c
new file mode 100644
index 000000000..49c50ae8a
--- /dev/null
+++ b/pstoraster/gp_nofb.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Dummy routines for Ghostscript platforms with no frame buffer management */
+#include "gx.h"
+#include "gp.h"
+#include "gxdevice.h"
+
+/* ------ Screen management ------ */
+
+/* Initialize the console. */
+void
+gp_init_console(void)
+{
+}
+
+/* Write a string to the console. */
+void
+gp_console_puts(const char *str, uint size)
+{
+    fwrite(str, 1, size, stdout);
+}
+
+/* Make the console current on the screen. */
+int
+gp_make_console_current(gx_device * dev)
+{
+    return 0;
+}
+
+/* Make the graphics current on the screen. */
+int
+gp_make_graphics_current(gx_device * dev)
+{
+    return 0;
+}
diff --git a/pstoraster/gp_nsync.c b/pstoraster/gp_nsync.c
new file mode 100644
index 000000000..0163cf5a2
--- /dev/null
+++ b/pstoraster/gp_nsync.c
@@ -0,0 +1,120 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Dummy thread / semaphore / monitor implementation */
+#include "std.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gpsync.h"
+
+/* ------- Synchronization primitives -------- */
+
+/* Semaphores */
+
+uint
+gp_semaphore_sizeof(void)
+{
+    return sizeof(gp_semaphore);
+}
+
+int
+gp_semaphore_open(gp_semaphore * sema)
+{
+    if (sema)
+	*(int *)sema = 0;
+    return 0;
+}
+
+int
+gp_semaphore_close(gp_semaphore * sema)
+{
+    return 0;
+}
+
+int
+gp_semaphore_wait(gp_semaphore * sema)
+{
+    if (*(int *)sema == 0)
+	return_error(gs_error_unknownerror);
+    --(*(int *)sema);
+    return 0;
+}
+
+int
+gp_semaphore_signal(gp_semaphore * sema)
+{
+    ++(*(int *)sema);
+    return 0;
+}
+
+/* Monitors */
+
+uint
+gp_monitor_sizeof(void)
+{
+    return sizeof(gp_monitor);
+}
+
+int
+gp_monitor_open(gp_monitor * mon)
+{
+    if (mon)
+	mon->dummy_ = 0;
+    return 0;
+}
+
+int
+gp_monitor_close(gp_monitor * mon)
+{
+    return 0;
+}
+
+int
+gp_monitor_enter(gp_monitor * mon)
+{
+    if (mon->dummy_ != 0)
+	return_error(gs_error_unknownerror);
+    mon->dummy_ = &mon;
+    return 0;
+}
+
+int
+gp_monitor_leave(gp_monitor * mon)
+{
+    if (mon->dummy_ != &mon)
+	return_error(gs_error_unknownerror);
+    mon->dummy_ = 0;
+    return 0;
+}
+
+/* Thread creation */
+
+int
+gp_create_thread(gp_thread_creation_callback_t proc, void *proc_data)
+{
+    /* Just call the procedure now. */
+    (*proc)(proc_data);
+    return 0;
+}
diff --git a/pstoraster/gp_unifn.c b/pstoraster/gp_unifn.c
new file mode 100644
index 000000000..aa128faab
--- /dev/null
+++ b/pstoraster/gp_unifn.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 1994, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Unix-like file name syntax platform routines for Ghostscript */
+#include "gx.h"
+#include "gp.h"
+
+/* Define the character used for separating file names in a list. */
+const char gp_file_name_list_separator = ':';
+
+/* Define the string to be concatenated with the file mode */
+/* for opening files without end-of-line conversion. */
+const char gp_fmode_binary_suffix[] = "";
+
+/* Define the file modes for binary reading or writing. */
+const char gp_fmode_rb[] = "r";
+const char gp_fmode_wb[] = "w";
+
+/* Answer whether a file name contains a directory/device specification, */
+/* i.e. is absolute (not directory- or device-relative). */
+bool
+gp_file_name_is_absolute(const char *fname, unsigned len)
+{				/* A file name is absolute if it starts with a 0 or more .s */
+    /* followed by a /. */
+    while (len && *fname == '.')
+	++fname, --len;
+    return (len && *fname == '/');
+}
+
+/* Answer the string to be used for combining a directory/device prefix */
+/* with a base file name.  The file name is known to not be absolute. */
+const char *
+gp_file_name_concat_string(const char *prefix, unsigned plen,
+			   const char *fname, unsigned len)
+{
+    if (plen > 0 && prefix[plen - 1] == '/')
+	return "";
+    return "/";
+}
diff --git a/pstoraster/gp_unifs.c b/pstoraster/gp_unifs.c
new file mode 100644
index 000000000..567d5be0c
--- /dev/null
+++ b/pstoraster/gp_unifs.c
@@ -0,0 +1,424 @@
+/*Copyright 1993-2002 by Easy Software Products.
+  Copyright 1993, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* "Unix-like" file system platform routines for Ghostscript */
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gp.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for string_match */
+#include "stat_.h"
+#include "dirent_.h"
+#include <sys/param.h>		/* for MAXPATHLEN */
+#include <cups/cups.h>
+
+/* Some systems (Interactive for example) don't define MAXPATHLEN,
+ * so we define it here.  (This probably should be done via a Config-Script.)
+ */
+
+#ifndef MAXPATHLEN
+#  define MAXPATHLEN 1024
+#endif
+
+/* ------ File naming and accessing ------ */
+
+/* Define the default scratch file name prefix. */
+const char gp_scratch_file_name_prefix[] = "gs_";
+
+/* Define the name of the null output file. */
+const char gp_null_file_name[] = "/dev/null";
+
+/* Define the name that designates the current directory. */
+const char gp_current_directory_name[] = ".";
+
+/* Create and open a scratch file with a given name prefix. */
+/* Write the actual file name at fname. */
+FILE *
+gp_open_scratch_file(const char *prefix, char fname[gp_file_name_sizeof],
+		     const char *mode)
+{
+    int fd;			/* File descriptor for temp file */
+
+
+    if ((fd = cupsTempFd(fname, gp_file_name_sizeof)) < 0)
+      return (NULL);
+    else
+      return (fdopen(fd, mode));
+}
+
+/* Open a file with the given name, as a stream of uninterpreted bytes. */
+FILE *
+gp_fopen(const char *fname, const char *mode)
+{
+    return fopen(fname, mode);
+}
+
+/* Set a file into binary or text mode. */
+int
+gp_setmode_binary(FILE * pfile, bool mode)
+{
+    return 0;			/* Noop under Unix */
+}
+
+/* ------ File enumeration ------ */
+
+/* Thanks to Fritz Elfert (Fritz_Elfert@wue.maus.de) for */
+/* the original version of the following code, and Richard Mlynarik */
+/* (mly@adoc.xerox.com) for an improved version. */
+
+typedef struct dirstack_s dirstack;
+struct dirstack_s {
+    dirstack *next;
+    DIR *entry;
+};
+
+gs_private_st_ptrs1(st_dirstack, dirstack, "dirstack",
+		    dirstack_enum_ptrs, dirstack_reloc_ptrs, next);
+
+struct file_enum_s {
+    DIR *dirp;			/* pointer to current open directory   */
+    char *pattern;		/* original pattern                    */
+    char *work;			/* current path                        */
+    int worklen;		/* strlen (work)                       */
+    dirstack *dstack;		/* directory stack                     */
+    int patlen;
+    int pathead;		/* how much of pattern to consider
+				 *  when listing files in current directory */
+    bool first_time;
+    gs_memory_t *memory;
+};
+gs_private_st_ptrs3(st_file_enum, struct file_enum_s, "file_enum",
+	  file_enum_enum_ptrs, file_enum_reloc_ptrs, pattern, work, dstack);
+
+/* Private procedures */
+
+/* Do a wild-card match. */
+#ifdef DEBUG
+private bool
+wmatch(const byte * str, uint len, const byte * pstr, uint plen,
+       const string_match_params * psmp)
+{
+    bool match = string_match(str, len, pstr, plen, psmp);
+
+    if (gs_debug_c('e')) {
+	dlputs("[e]string_match(\"");
+	fwrite(str, 1, len, dstderr);
+	dputs("\", \"");
+	fwrite(pstr, 1, plen, dstderr);
+	dprintf1("\") = %s\n", (match ? "TRUE" : "false"));
+    }
+    return match;
+}
+#define string_match wmatch
+#endif
+
+/* Search a string backward for a character. */
+/* (This substitutes for strrchr, which some systems don't provide.) */
+private char *
+rchr(char *str, char ch, int len)
+{
+    register char *p = str + len;
+
+    while (p > str)
+	if (*--p == ch)
+	    return p;
+    return 0;
+}
+
+/* Pop a directory from the enumeration stack. */
+private bool
+popdir(file_enum * pfen)
+{
+    dirstack *d = pfen->dstack;
+
+    if (d == 0)
+	return false;
+    pfen->dirp = d->entry;
+    pfen->dstack = d->next;
+    gs_free_object(pfen->memory, d, "gp_enumerate_files(popdir)");
+    return true;
+}
+
+/* Initialize an enumeration. */
+file_enum *
+gp_enumerate_files_init(const char *pat, uint patlen, gs_memory_t * mem)
+{
+    file_enum *pfen;
+    char *p;
+    char *work;
+
+    /* Reject attempts to enumerate paths longer than the */
+    /* system-dependent limit. */
+    if (patlen > MAXPATHLEN)
+	return 0;
+
+    /* Reject attempts to enumerate with a pattern containing zeroes. */
+    {
+	const char *p1;
+
+	for (p1 = pat; p1 < pat + patlen; p1++)
+	    if (*p1 == 0)
+		return 0;
+    }
+    /* >>> Should crunch strings of repeated "/"'s in pat to a single "/"
+     * >>>  to match stupid unix filesystem "conventions" */
+
+    pfen = gs_alloc_struct(mem, file_enum, &st_file_enum,
+			   "gp_enumerate_files");
+    if (pfen == 0)
+	return 0;
+
+    /* pattern and work could be allocated as strings, */
+    /* but it's simpler for GC and freeing to allocate them as bytes. */
+
+    pfen->pattern =
+	(char *)gs_alloc_bytes(mem, patlen + 1,
+			       "gp_enumerate_files(pattern)");
+    if (pfen->pattern == 0)
+	return 0;
+    memcpy(pfen->pattern, pat, patlen);
+    pfen->pattern[patlen] = 0;
+
+    work = (char *)gs_alloc_bytes(mem, MAXPATHLEN + 1,
+				  "gp_enumerate_files(work)");
+    if (work == 0)
+	return 0;
+    pfen->work = work;
+
+    p = work;
+    memcpy(p, pat, patlen);
+    p += patlen;
+    *p = 0;
+
+    /* Remove directory specifications beyond the first wild card. */
+    /* Some systems don't have strpbrk, so we code it open. */
+    p = pfen->work;
+    while (!(*p == '*' || *p == '?' || *p == 0))
+	p++;
+    while (!(*p == '/' || *p == 0))
+	p++;
+    if (*p == '/')
+	*p = 0;
+    /* Substring for first wildcard match */
+    pfen->pathead = p - work;
+
+    /* Select the next higher directory-level. */
+    p = rchr(work, '/', p - work);
+    if (!p) {			/* No directory specification */
+	work[0] = 0;
+	pfen->worklen = 0;
+    } else {
+	if (p == work) {	/* Root directory -- don't turn "/" into "" */
+	    p++;
+	}
+	*p = 0;
+	pfen->worklen = p - work;
+    }
+
+    pfen->memory = mem;
+    pfen->dstack = 0;
+    pfen->first_time = true;
+    pfen->patlen = patlen;
+    return pfen;
+}
+
+/* Enumerate the next file. */
+uint
+gp_enumerate_files_next(file_enum * pfen, char *ptr, uint maxlen)
+{
+    const dir_entry *de;
+    char *work = pfen->work;
+    int worklen = pfen->worklen;
+    char *pattern = pfen->pattern;
+    int pathead = pfen->pathead;
+    int len;
+    struct stat stbuf;
+
+    if (pfen->first_time) {
+	pfen->dirp = ((worklen == 0) ? opendir(".") : opendir(work));
+	if_debug1('e', "[e]file_enum:First-Open '%s'\n", work);
+	pfen->first_time = false;
+	if (pfen->dirp == 0) {	/* first opendir failed */
+	    gp_enumerate_files_close(pfen);
+	    return ~(uint) 0;
+	}
+    }
+  top:de = readdir(pfen->dirp);
+    if (de == 0) {		/* No more entries in this directory */
+	char *p;
+
+	if_debug0('e', "[e]file_enum:Closedir\n");
+	closedir(pfen->dirp);
+	/* Back working directory and matching pattern up one level */
+	p = rchr(work, '/', worklen);
+	if (p != 0) {
+	    if (p == work)
+		p++;
+	    *p = 0;
+	    worklen = p - work;
+	} else
+	    worklen = 0;
+	p = rchr(pattern, '/', pathead);
+	if (p != 0)
+	    pathead = p - pattern;
+	else
+	    pathead = 0;
+
+	if (popdir(pfen)) {	/* Back up the directory tree. */
+	    if_debug1('e', "[e]file_enum:Dir popped '%s'\n", work);
+	    goto top;
+	} else {
+	    if_debug0('e', "[e]file_enum:Dirstack empty\n");
+	    gp_enumerate_files_close(pfen);
+	    return ~(uint) 0;
+	}
+    }
+    /* Skip . and .. */
+    len = strlen(de->d_name);
+    if (len <= 2 && (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")))
+	goto top;
+    if (len + worklen + 1 > MAXPATHLEN)
+	/* Should be an error, I suppose */
+	goto top;
+    if (worklen == 0) {		/* "Current" directory (evil un*x kludge) */
+	memcpy(work, de->d_name, len + 1);
+    } else if (worklen == 1 && work[0] == '/') {	/* Root directory */
+	memcpy(work + 1, de->d_name, len + 1);
+	len = len + 1;
+    } else {
+	work[worklen] = '/';
+	memcpy(work + worklen + 1, de->d_name, len + 1);
+	len = worklen + 1 + len;
+    }
+
+    /* Test for a match at this directory level */
+    if (!string_match((byte *) work, len, (byte *) pattern, pathead, NULL))
+	goto top;
+
+    /* Perhaps descend into subdirectories */
+    if (pathead < pfen->patlen) {
+	DIR *dp;
+
+	if (((stat(work, &stbuf) >= 0)
+	     ? !stat_is_dir(stbuf)
+	/* Couldn't stat it.
+	 * Well, perhaps it's a directory and
+	 * we'll be able to list it anyway.
+	 * If it isn't or we can't, no harm done. */
+	     : 0))
+	    goto top;
+
+	if (pfen->patlen == pathead + 1) {	/* Listing "foo/?/" -- return this entry */
+	    /* if it's a directory. */
+	    if (!stat_is_dir(stbuf)) {	/* Do directoryp test the hard way */
+		dp = opendir(work);
+		if (!dp)
+		    goto top;
+		closedir(dp);
+	    }
+	    work[len++] = '/';
+	    goto winner;
+	}
+	/* >>> Should optimise the case in which the next level */
+	/* >>> of directory has no wildcards. */
+	dp = opendir(work);
+#ifdef DEBUG
+	{
+	    char save_end = pattern[pathead];
+
+	    pattern[pathead] = 0;
+	    if_debug2('e', "[e]file_enum:fname='%s', p='%s'\n",
+		      work, pattern);
+	    pattern[pathead] = save_end;
+	}
+#endif /* DEBUG */
+	if (!dp)
+	    /* Can't list this one */
+	    goto top;
+	else {			/* Advance to the next directory-delimiter */
+	    /* in pattern */
+	    char *p;
+	    dirstack *d;
+
+	    for (p = pattern + pathead + 1;; p++) {
+		if (*p == 0) {	/* No more subdirectories to match */
+		    pathead = pfen->patlen;
+		    break;
+		} else if (*p == '/') {
+		    pathead = p - pattern;
+		    break;
+		}
+	    }
+
+	    /* Push a directory onto the enumeration stack. */
+	    d = gs_alloc_struct(pfen->memory, dirstack,
+				&st_dirstack,
+				"gp_enumerate_files(pushdir)");
+	    if (d != 0) {
+		d->next = pfen->dstack;
+		d->entry = pfen->dirp;
+		pfen->dstack = d;
+	    } else
+		DO_NOTHING;	/* >>> e_VMerror!!! */
+
+	    if_debug1('e', "[e]file_enum:Dir pushed '%s'\n",
+		      work);
+	    worklen = len;
+	    pfen->dirp = dp;
+	    goto top;
+	}
+    }
+  winner:
+    /* We have a winner! */
+    pfen->worklen = worklen;
+    pfen->pathead = pathead;
+    memcpy(ptr, work, len);
+    return len;
+}
+
+/* Clean up the file enumeration. */
+void
+gp_enumerate_files_close(file_enum * pfen)
+{
+    gs_memory_t *mem = pfen->memory;
+
+    if_debug0('e', "[e]file_enum:Cleanup\n");
+    while (popdir(pfen))	/* clear directory stack */
+	DO_NOTHING;
+    gs_free_object(mem, (byte *) pfen->work,
+		   "gp_enumerate_close(work)");
+    gs_free_object(mem, (byte *) pfen->pattern,
+		   "gp_enumerate_files_close(pattern)");
+    gs_free_object(mem, pfen, "gp_enumerate_files_close");
+}
+
+/* Test-cases:
+   (../?*r*?/?*.ps) {==} 100 string filenameforall
+   (../?*r*?/?*.ps*) {==} 100 string filenameforall
+   (../?*r*?/) {==} 100 string filenameforall
+   (/t*?/?*.ps) {==} 100 string filenameforall
+ */
diff --git a/pstoraster/gp_unix.c b/pstoraster/gp_unix.c
new file mode 100644
index 000000000..e705af635
--- /dev/null
+++ b/pstoraster/gp_unix.c
@@ -0,0 +1,173 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Unix-specific routines for Ghostscript */
+#include "pipe_.h"
+#include "string_.h"
+#include "time_.h"
+#include "gx.h"
+#include "gsexit.h"
+#include "gp.h"
+
+/*
+ * This is the only place in Ghostscript that calls 'exit'.  Including
+ * <stdlib.h> is overkill, but that's where it's declared on ANSI systems.
+ * We don't have any way of detecting whether we have a standard library
+ * (some GNU compilers perversely define __STDC__ but don't provide
+ * an ANSI-compliant library), so we check __PROTOTYPES__ and
+ * hope for the best.  We pick up getenv at the same time.
+ */
+#ifdef __PROTOTYPES__
+#  include <stdlib.h>		/* for exit and getenv */
+#else
+extern void exit(P1(int));
+extern char *getenv(P1(const char *));
+
+#endif
+
+/* Do platform-dependent initialization. */
+void
+gp_init(void)
+{
+}
+
+/* Do platform-dependent cleanup. */
+void
+gp_exit(int exit_status, int code)
+{
+}
+
+/* Exit the program. */
+void
+gp_do_exit(int exit_status)
+{
+    exit(exit_status);
+}
+
+/* ------ Miscellaneous ------ */
+
+/* Get the string corresponding to an OS error number. */
+/* Unix systems support this so inconsistently that we don't attempt */
+/* to figure out whether it's available. */
+const char *
+gp_strerror(int errnum)
+{
+    return NULL;
+}
+
+/* ------ Date and time ------ */
+
+/* Read the current time (in seconds since Jan. 1, 1970) */
+/* and fraction (in nanoseconds). */
+void
+gp_get_realtime(long *pdt)
+{
+    struct timeval tp;
+
+#if gettimeofday_no_timezone	/* older versions of SVR4 */
+    {
+	if (gettimeofday(&tp) == -1) {
+	    lprintf("Ghostscript: gettimeofday failed!\n");
+	    gs_exit(1);
+	}
+    }
+#else /* All other systems */
+    {
+	struct timezone tzp;
+
+	if (gettimeofday(&tp, &tzp) == -1) {
+	    lprintf("Ghostscript: gettimeofday failed!\n");
+	    gs_exit(1);
+	}
+    }
+#endif
+
+    /* tp.tv_sec is #secs since Jan 1, 1970 */
+    pdt[0] = tp.tv_sec;
+
+    /* Some Unix systems (e.g., Interactive 3.2 r3.0) return garbage */
+    /* in tp.tv_usec.  Try to filter out the worst of it here. */
+    pdt[1] = tp.tv_usec >= 0 && tp.tv_usec < 1000000 ? tp.tv_usec * 1000 : 0;
+
+#ifdef DEBUG_CLOCK
+    printf("tp.tv_sec = %d  tp.tv_usec = %d  pdt[0] = %ld  pdt[1] = %ld\n",
+	   tp.tv_sec, tp.tv_usec, pdt[0], pdt[1]);
+#endif
+}
+
+/* Read the current user CPU time (in seconds) */
+/* and fraction (in nanoseconds).  */
+void
+gp_get_usertime(long *pdt)
+{
+#if use_times_for_usertime
+    struct tms tms;
+    long ticks;
+    const long ticks_per_sec = CLK_TCK;
+
+    times(&tms);
+    ticks = tms.tms_utime + tms.tms_stime + tms.tms_cutime + tms.tms_cstime;
+    pdt[0] = ticks / ticks_per_sec;
+    pdt[1] = (ticks % ticks_per_sec) * (1000000000 / ticks_per_sec);
+#else
+    gp_get_realtime(pdt);	/* Use an approximation on other hosts.  */
+#endif
+}
+
+/* ------ Screen management ------ */
+
+/* Get the environment variable that specifies the display to use. */
+const char *
+gp_getenv_display(void)
+{
+    return getenv("DISPLAY");
+}
+
+/* ------ Printer accessing ------ */
+
+/* Open a connection to a printer.  A null file name means use the */
+/* standard printer connected to the machine, if any. */
+/* "|command" opens an output pipe. */
+/* Return NULL if the connection could not be opened. */
+FILE *
+gp_open_printer(char fname[gp_file_name_sizeof], int binary_mode)
+{
+    return
+	(strlen(fname) == 0 ?
+	 gp_open_scratch_file(gp_scratch_file_name_prefix, fname, "w") :
+	 fname[0] == '|' ?
+	 popen(fname + 1, "w") :
+	 fopen(fname, "w"));
+}
+
+/* Close the connection to the printer. */
+void
+gp_close_printer(FILE * pfile, const char *fname)
+{
+    if (fname[0] == '|')
+	pclose(pfile);
+    else
+	fclose(pfile);
+}
diff --git a/pstoraster/gpcheck.h b/pstoraster/gpcheck.h
new file mode 100644
index 000000000..aaaf2b734
--- /dev/null
+++ b/pstoraster/gpcheck.h
@@ -0,0 +1,65 @@
+/* Copyright (C) 1992, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interrupt check interface */
+
+#ifndef gpcheck_INCLUDED
+#  define gpcheck_INCLUDED
+
+/*
+ * On some platforms, the interpreter must check periodically for user-
+ * initiated actions.  (Eventually, this may be extended to all platforms,
+ * to handle multi-tasking through the 'context' facility.)  Routines that
+ * run for a long time must periodically call gp_check_interrupts(), and
+ * if it returns true, must clean up whatever they are doing and return an
+ * e_interrupted (or gs_error_interrupted) exceptional condition.
+ * The return_if_interrupt macro provides a convenient way to do this.
+ *
+ * On platforms that require an interrupt check, the makefile defines
+ * a symbol CHECK_INTERRUPTS.  Currently this is only the Microsoft
+ * Windows platform.
+ */
+
+#ifdef CHECK_INTERRUPTS
+int gp_check_interrupts(P0());
+int gs_return_check_interrupt(P1(int code));
+
+#  define process_interrupts() discard(gp_check_interrupts())
+#  define return_if_interrupt()\
+    { int icode_ = gp_check_interrupts();\
+      if ( icode_ )\
+	return gs_note_error((icode_ > 0 ? gs_error_interrupt : icode_));\
+    }
+#  define return_check_interrupt(code)\
+    return gs_return_check_interrupt(code)
+#else
+#  define gp_check_interrupts() 0
+#  define process_interrupts() DO_NOTHING
+#  define return_if_interrupt()	DO_NOTHING
+#  define return_check_interrupt(code)\
+    return (code)
+#endif
+
+#endif /* gpcheck_INCLUDED */
diff --git a/pstoraster/gpgetenv.h b/pstoraster/gpgetenv.h
new file mode 100644
index 000000000..61b75c388
--- /dev/null
+++ b/pstoraster/gpgetenv.h
@@ -0,0 +1,50 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to platform-specific getenv routine */
+
+#ifndef gpgetenv_INCLUDED
+#  define gpgetenv_INCLUDED
+
+/*
+ * Get a value from the environment (getenv).
+ *
+ * If the key is missing, set *ptr = 0 (if *plen > 0), set *plen = 1,
+ * and return 1.
+ *
+ * If the key is present and the length len of the value (not counting
+ * the terminating \0) is less than *plen, copy the value to ptr, set
+ * *plen = len + 1, and return 0.
+ *
+ * If the key is present and len >= *plen, set *plen = len + 1,
+ * don't store anything at ptr, and return -1.
+ *
+ * Note that *plen is the size of the buffer, not the length of the string:
+ * because of the terminating \0, the maximum string length is 1 less than
+ * the size of the buffer.
+ */
+int gp_getenv(P3(const char *key, char *ptr, int *plen));
+
+#endif /* gpgetenv_INCLUDED */
diff --git a/pstoraster/gpsync.h b/pstoraster/gpsync.h
new file mode 100644
index 000000000..48049a536
--- /dev/null
+++ b/pstoraster/gpsync.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to platform-dependent synchronization primitives */
+
+#if !defined(gpsync_INCLUDED)
+#define gpsync_INCLUDED
+
+/* Initial version 4/1/98 by John Desrosiers (soho@crl.com). */
+/* 8/9/98 L. Peter Deutsch (ghost@aladdin.com) Changed ...sizeof to
+   procedures, added some comments. */
+
+/* -------- Synchronization primitives ------- */
+
+/*
+ * Semaphores support wait/signal semantics: a wait operation will allow
+ * control to proceed iff the number of signals since semaphore creation
+ * is greater than the number of waits.
+ */
+typedef struct {
+    void *dummy_;
+} gp_semaphore;
+
+uint gp_semaphore_sizeof(P0());
+/*
+ * Hack: gp_semaphore_open(0) succeeds iff it's OK for the memory manager
+ * to move a gp_semaphore in memory.
+ */
+int gp_semaphore_open(P1(gp_semaphore * sema));
+int gp_semaphore_close(P1(gp_semaphore * sema));
+int gp_semaphore_wait(P1(gp_semaphore * sema));
+int gp_semaphore_signal(P1(gp_semaphore * sema));
+
+/*
+ * Monitors support enter/leave semantics: at most one thread can have
+ * entered and not yet left a given monitor.
+ */
+typedef struct {
+    void *dummy_;
+} gp_monitor;
+
+uint gp_monitor_sizeof(P0());
+/*
+ * Hack: gp_monitor_open(0) succeeds iff it's OK for the memory manager
+ * to move a gp_monitor in memory.
+ */
+int gp_monitor_open(P1(gp_monitor * mon));
+int gp_monitor_close(P1(gp_monitor * mon));
+int gp_monitor_enter(P1(gp_monitor * mon));
+int gp_monitor_leave(P1(gp_monitor * mon));
+
+/*
+ * A new thread starts by calling a procedure, passing it a void * that
+ * allows it to gain access to whatever data it needs.
+ */
+typedef void (*gp_thread_creation_callback_t) (P1(void *));
+int gp_create_thread(P2(gp_thread_creation_callback_t, void *));
+
+#endif /* !defined(gpsync_INCLUDED) */
diff --git a/pstoraster/gs_btokn.ps b/pstoraster/gs_btokn.ps
new file mode 100644
index 000000000..f5ff8a373
--- /dev/null
+++ b/pstoraster/gs_btokn.ps
@@ -0,0 +1,313 @@
+% Copyright 1993-2001 by Easy Software Products.
+% Copyright 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_btokn.ps 1605 2001-03-02 22:34:21Z andy $
+% Initialization file for binary tokens.
+% When this is run, systemdict is still writable,
+% but everything defined here goes into level2dict.
+
+% Define whether or not to allow writing dictionaries.
+/WRITEDICTS true def
+
+languagelevel 1 .setlanguagelevel
+level2dict begin
+
+% Initialization for the system name table.
+
+mark
+% 0
+	/abs /add /aload /anchorsearch /and
+	/arc /arcn /arct /arcto /array
+	/ashow /astore /awidthshow /begin /bind
+	/bitshift /ceiling /charpath /clear /cleartomark
+% 20
+	/clip /clippath /closepath /concat /concatmatrix
+	/copy /count /counttomark /currentcmykcolor /currentdash
+	/currentdict /currentfile /currentfont /currentgray /currentgstate
+	/currenthsbcolor /currentlinecap /currentlinejoin /currentlinewidth /currentmatrix
+% 40
+	/currentpoint /currentrgbcolor /currentshared /curveto /cvi
+	/cvlit /cvn /cvr /cvrs /cvs
+	/cvx /def /defineusername /dict /div
+	/dtransform /dup /end /eoclip /eofill
+% 60
+	/eoviewclip /eq /exch /exec /exit
+	/file /fill /findfont /flattenpath /floor
+	/flush /flushfile /for /forall /ge
+	/get /getinterval /grestore /gsave /gstate
+% 80
+	/gt /identmatrix /idiv /idtransform /if
+	/ifelse /image /imagemask /index /ineofill
+	/infill /initviewclip /inueofill /inufill /invertmatrix
+	/itransform /known /le /length /lineto
+% 100
+	/load /loop /lt /makefont /matrix
+	/maxlength /mod /moveto /mul /ne
+	/neg /newpath /not /null /or
+	/pathbbox /pathforall /pop /print /printobject
+% 120
+	/put /putinterval /rcurveto /read /readhexstring
+	/readline /readstring /rectclip /rectfill /rectstroke
+	/rectviewclip /repeat /restore /rlineto /rmoveto
+	/roll /rotate /round /save /scale
+% 140
+	/scalefont /search /selectfont /setbbox /setcachedevice
+	/setcachedevice2 /setcharwidth /setcmykcolor /setdash /setfont
+	/setgray /setgstate /sethsbcolor /setlinecap /setlinejoin
+	/setlinewidth /setmatrix /setrgbcolor /setshared /shareddict
+% 160
+	/show /showpage /stop /stopped /store
+	/string /stringwidth /stroke /strokepath /sub
+	/systemdict /token /transform /translate /truncate
+	/type /uappend /ucache /ueofill /ufill
+% 180
+	/undef /upath /userdict /ustroke /viewclip
+	/viewclippath /where /widthshow /write /writehexstring
+	/writeobject /writestring /wtranslation /xor /xshow
+	/xyshow /yshow /FontDirectory /SharedFontDirectory /Courier
+% 200
+	/Courier-Bold /Courier-BoldOblique /Courier-Oblique /Helvetica /Helvetica-Bold
+	/Helvetica-BoldOblique /Helvetica-Oblique /Symbol /Times-Bold /Times-BoldItalic
+	/Times-Italic /Times-Roman /execuserobject /currentcolor /currentcolorspace
+	/currentglobal /execform /filter /findresource /globaldict
+% 220
+	/makepattern /setcolor /setcolorspace /setglobal /setpagedevice
+	/setpattern
+% pad to 256
+	counttomark 256 exch sub { 0 } repeat
+% 256
+	/= /== /ISOLatin1Encoding /StandardEncoding
+% 260
+	([) cvn (]) cvn /atan /banddevice /bytesavailable
+	/cachestatus /closefile /colorimage /condition /copypage
+	/cos /countdictstack /countexecstack /cshow /currentblackgeneration
+	/currentcacheparams /currentcolorscreen /currentcolortransfer /currentcontext /currentflat
+% 280
+	/currenthalftone /currenthalftonephase /currentmiterlimit /currentobjectformat /currentpacking
+	/currentscreen /currentstrokeadjust /currenttransfer /currentundercolorremoval /defaultmatrix
+	/definefont /deletefile /detach /deviceinfo /dictstack
+	/echo /erasepage /errordict /execstack /executeonly
+% 300
+	/exp /false /filenameforall /fileposition /fork
+	/framedevice /grestoreall /handleerror /initclip /initgraphics
+	/initmatrix /instroke /inustroke /join /kshow
+	/ln /lock /log /mark /monitor
+% 320
+	/noaccess /notify /nulldevice /packedarray /quit
+	/rand /rcheck /readonly /realtime /renamefile
+	/renderbands /resetfile /reversepath /rootfont /rrand
+	/run /scheck /setblackgeneration /setcachelimit /setcacheparams
+% 340
+	/setcolorscreen /setcolortransfer /setfileposition /setflat /sethalftone
+	/sethalftonephase /setmiterlimit /setobjectformat /setpacking /setscreen
+	/setstrokeadjust /settransfer /setucacheparams /setundercolorremoval /sin
+	/sqrt /srand /stack /status /statusdict
+% 360
+	/true /ucachestatus /undefinefont /usertime /ustrokepath
+	/version /vmreclaim /vmstatus /wait /wcheck
+	/xcheck /yield /defineuserobject /undefineuserobject /UserObjects
+	/cleardictstack
+% 376
+	/A /B /C /D /E /F /G /H /I /J /K /L /M
+	/N /O /P /Q /R /S /T /U /V /W /X /Y /Z
+	/a /b /c /d /e /f /g /h /i /j /k /l /m
+	/n /o /p /q /r /s /t /u /v /w /x /y /z
+% 428
+	/setvmthreshold (<<) cvn
+	(>>) cvn /currentcolorrendering /currentdevparams /currentoverprint /currentpagedevice
+	/currentsystemparams /currentuserparams /defineresource /findencoding /gcheck
+% 440
+	/glyphshow /languagelevel /product /pstack /resourceforall
+	/resourcestatus /revision /serialnumber /setcolorrendering /setdevparams
+	/setoverprint /setsystemparams /setuserparams /startjob /undefineresource
+	/GlobalFontDirectory /ASCII85Decode /ASCII85Encode /ASCIIHexDecode /ASCIIHexEncode
+% 460
+	/CCITTFaxDecode /CCITTFaxEncode /DCTDecode /DCTEncode /LZWDecode
+	/LZWEncode /NullEncode /RunLengthDecode /RunLengthEncode /SubFileDecode
+	/CIEBasedA /CIEBasedABC /DeviceCMYK /DeviceGray /DeviceRGB
+	/Indexed /Pattern /Separation
+% 478 -- end
+.packtomark
+dup /SystemNames exch def .installsystemnames
+
+% Define printobject and writeobject.
+% These are mostly implemented in PostScript, so that we don't have to
+% worry about interrupts or callbacks when writing to the output file.
+
+% Define procedures for accumulating the space required to represent
+% an object in binary form.
+/cntdict mark		% <#refs> <#chars> <obj> -proc- <#refs> <#chars>
+	/integertype /pop load
+	/realtype 1 index
+	/marktype 1 index
+	/nulltype 1 index
+	/booleantype 1 index
+	/nametype { length add } bind
+	/stringtype 1 index
+	/arraytype null
+	WRITEDICTS { /dicttype null } if
+.dicttomark def
+cntdict /arraytype
+ { dup dup length 5 -1 roll add 4 2 roll
+    { dup type //cntdict exch get exec } forall
+ } bind put
+WRITEDICTS
+ { cntdict /dicttype
+    { dup dup length 2 mul 5 -1 roll add 4 2 roll
+       { 4 1 roll dup type //cntdict exch get exec
+	 3 -1 roll dup type //cntdict exch get exec
+       } forall
+    } bind put
+ } if
+
+/w2dict mark
+	/nametype { 2 copy .writecvs pop } bind
+	/stringtype 1 index
+.dicttomark def
+
+/.bosheader {		% <top_length> <total_length> <string8> .bosheader
+			%   <string4|8>
+  dup 0 currentobjectformat 127 add put		% object format => BOS tag
+  2 index 255 le 2 index 65531 le and {
+	% Use the short header format: tag toplen(1) totlen(2)
+    exch 4 add exch
+    0 4 getinterval
+    dup 1 5 -1 roll put
+  } {
+	% Use the long header format: tag 0(1) toplen(2) totlen(4)
+    exch 8 add exch
+    0 0 4 2 roll .bosobject exch pop exch pop	% store with byte swapping
+  } ifelse		% Stack: shortlen str
+  exch dup -8 bitshift exch 255 and	% str hibyte lobyte
+  currentobjectformat 1 and 0 eq {	% lsb first
+    exch
+  } if
+  2 index 3 3 -1 roll put
+  1 index 2 3 -1 roll put
+} .bind def
+
+/.writeobjects		% <file> <tag> <array> .writeobjects -
+ {
+	mark exch
+
+	% Count the space required for refs and strings.
+	dup length 0 3 -1 roll
+	% Stack: <file> <tag> -mark- <#refs> <#chars> <array>
+
+	dup 4 1 roll
+	 { dup type //cntdict exch get exec
+	 } forall
+
+	% Write the header.
+	% Stack: <file> <tag> -mark- <array1> ... <array|dictN> <#refs> <#chars>
+	counttomark 3 add -2 roll 4 1 roll
+	% Stack: -mark- <array1> ... <array|dictN> <tag> <#refs> <#chars> <file>
+	dup counttomark 1 sub index length
+	4 index 3 bitshift 4 index add
+	(xxxxxxxx) .bosheader writestring
+
+	% Write the objects per se.
+	3 1 roll pop
+	counttomark 1 sub index length 3 bitshift exch
+	3 bitshift
+	% Stack: -mark- <array1> ... <array|dictN> <tag> <file> <ref#> <char#>
+
+	counttomark 4 sub
+	 { counttomark -1 roll dup 6 1 roll
+	   dup type /dicttype eq		% can't be first object
+	    {  { 5 1 roll (xxxxxxxx) .bosobject
+		 3 index exch writestring
+		 4 -1 roll (xxxxxxxx) .bosobject
+		 3 index exch writestring
+	       } forall
+	    }
+	    {  { (xxxxxxxx) .bosobject
+		 dup 1 6 index put
+		 3 index exch writestring
+		 4 -1 roll pop 0 4 1 roll	% clear tag
+	       } forall
+	    }
+	   ifelse
+	 }
+	repeat
+
+	% Write the strings and names.
+	pop pop exch pop
+	% Stack: -mark- <array1> ... <array|dictN> <file>
+
+ 	counttomark 1 sub
+	 { counttomark -1 roll
+	    {		% The counting pass ensured that the keys and values
+			% of any dictionary must be writable objects.
+			% Hence, we are processing a dictionary iff
+			% the next-to-top stack element is not a file.
+	      1 index type /filetype ne
+	       { exch 2 index exch dup type //w2dict exch .knownget
+		  { exec } { pop } ifelse pop
+	       }
+	      if
+              dup type //w2dict exch .knownget { exec } { pop } ifelse
+	    } forall
+	 }
+	repeat
+
+	% Clean up.
+	% Stack: -mark- <file>
+
+	pop pop
+
+ } odef
+currentdict /cntdict .undef
+currentdict /w2dict .undef
+
+%%%% MRS - stderr instead of stdout, which is used for output...
+/printobject {		% <obj> <tag> printobject -
+  (%stderr) (w) file 2 index 2 index writeobject pop pop
+} odef
+/writeobject {		% <file> <obj> <tag> writeobject -
+  3 copy exch
+		% We must allocate the array in local VM
+		% to avoid a possible invalidaccess.
+  .currentglobal false .setglobal exch 1 array astore exch .setglobal
+  .writeobjects pop pop pop
+} odef
+
+% Implement binary error message output.
+  /.printerror
+   { $error /binary get .languagelevel 2 ge and
+      { currentobjectformat 0 ne
+         { [ /Error $error /errorname get $error /command get false
+	   ] 250 printobject
+	 }
+	 //.printerror
+	ifelse
+      }
+      //.printerror
+     ifelse
+   } bind def
+
+% End of level2dict
+
+end
+.setlanguagelevel
diff --git a/pstoraster/gs_ccfnt.ps b/pstoraster/gs_ccfnt.ps
new file mode 100644
index 000000000..5d4ada0e4
--- /dev/null
+++ b/pstoraster/gs_ccfnt.ps
@@ -0,0 +1,100 @@
+%    Copyright (C) 1994, 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_ccfnt.ps 956 2000-03-08 23:15:43Z mike $
+% Find and register all the precompiled font operators in systemdict.
+
+/registerfont			% <fontname> <fontdict> registerfont <font>
+ { DEBUG { (Registering ) print 1 index = } if
+   dup begin
+     Encoding type /nametype eq
+      { Encoding .findencoding /Encoding exch def
+      }
+     if
+     dup /PrefEnc known
+      { PrefEnc type /nametype eq
+	 { PrefEnc .findencoding /PrefEnc exch def
+	 }
+	if
+      }
+     if
+     dup /FDepVector known
+      { /FDepVector [ FDepVector
+	 { .FontDirectory 1 index .knownget
+	    { exch pop }
+	    { ccfonts 1 index .knownget
+	       { registerfont
+	       }
+	       { Fontmap 1 index known
+		  { findfont }
+		  { pop NullFont }
+		 ifelse
+	       }
+	      ifelse
+	    }
+	   ifelse
+	 }
+	forall ] readonly def
+      }
+     if
+   end
+   % Use the value of definefont appropriate at run-time, not bind-time
+   /definefont load exec
+ } bind odef
+% Bind recursive call (bind descends into oparrays: feature!)
+/registerfont dup load bind def
+
+/.loadinitialfonts {
+   //.loadinitialfonts exec
+   /ccfonts mark
+     0 1 null .getccfont 1 sub { .getccfont dup /FontName get exch } for
+   .dicttomark def
+   ccfonts
+    { .FontDirectory 2 index known { pop pop } { registerfont pop } ifelse }
+   forall
+  currentdict /ccfonts .undef
+} bind def
+
+currentdict /registerfont .undef
+
+
+% If we're in a Level 2 system but running in Level 1 mode,
+% register the fonts explicitly as resources.
+% This is a bit of a hack, but doing better is too much work.
+
+/level2dict where
+ { pop /findresource where
+    {		% Level 2 system, Level 2 mode
+      pop
+    }
+    {		% Level 2 system, Level 1 mode
+      /Font /Category level2dict /findresource get exec begin
+      .FontDirectory
+       { dup .gcheck { Instances } { LocalInstances } ifelse
+	 3 1 roll [exch 0 -1] .growput
+       }
+      forall end
+    }
+   ifelse
+ }
+if
diff --git a/pstoraster/gs_cff.ps b/pstoraster/gs_cff.ps
new file mode 100644
index 000000000..515fe5d08
--- /dev/null
+++ b/pstoraster/gs_cff.ps
@@ -0,0 +1,614 @@
+%    Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_cff.ps 1159 2000-06-26 15:50:18Z mike $
+% Loader for CFF (compressed) fonts.
+% The following are not implemented yet:
+%	Deleted entries in the Name Index
+%	Embedded PostScript
+%	Multiple Master fonts
+%	CIDFonts
+%	Chameleon fonts
+%	Synthetic fonts
+% Also, Type 2 charstrings are converted into Type 1 fonts with
+% CharstringType = 2, which may or may not be supported.
+
+100 dict begin
+
+% ---------------- Standard strings (actually names) ---------------- %
+
+/StandardStrings mark
+% 0
+  /.notdef /space /exclam /quotedbl /numbersign
+  /dollar /percent /ampersand /quoteright /parenleft
+  /parenright /asterisk /plus /comma /hyphen
+  /period /slash /zero /one /two
+  /three /four /five /six /seven
+  /eight /nine /colon /semicolon /less
+  /equal /greater /question /at /A
+  /B /C /D /E /F
+  /G /H /I /J /K
+  /L /M /N /O /P
+% 50
+  /Q /R /S /T /U
+  /V /W /X /Y /Z
+  /bracketleft /backslash /bracketright /asciicircum /underscore
+  /quoteleft /a /b /c /d
+  /e /f /g /h /i
+  /j /k /l /m /n
+  /o /p /q /r /s
+  /t /u /v /w /x
+  /y /z /braceleft /bar /braceright
+  /asciitilde /exclamdown /cent /sterling /fraction
+% 100
+  /yen /florin /section /currency /quotesingle
+  /quotedblleft /guillemotleft /guilsinglleft /guilsinglright /fi
+  /fl /endash /dagger /daggerdbl /periodcentered
+  /paragraph /bullet /quotesinglbase /quotedblbase /quotedblright
+  /guillemotright /ellipsis /perthousand /questiondown /grave
+  /acute /circumflex /tilde /macron /breve
+  /dotaccent /dieresis /ring /cedilla /hungarumlaut
+  /ogonek /caron /emdash /AE /ordfeminine
+  /Lslash /Oslash /OE /ordmasculine /ae
+  /dotlessi /lslash /oslash /oe /germandbls
+% 150
+  /onesuperior /logicalnot /mu /trademark /Eth
+  /onehalf /plusminus /Thorn /onequarter /divide
+  /brokenbar /degree /thorn /threequarters /twosuperior
+  /registered /minus /eth /multiply /threesuperior
+  /copyright /Aacute /Acircumflex /Adieresis /Agrave
+  /Aring /Atilde /Ccedilla /Eacute /Ecircumflex
+  /Edieresis /Egrave /Iacute /Icircumflex /Idieresis
+  /Igrave /Ntilde /Oacute /Ocircumflex /Odieresis
+  /Ograve /Otilde /Scaron /Uacute /Ucircumflex
+  /Udieresis /Ugrave /Yacute /Ydieresis /Zcaron
+% 200
+  /aacute /acircumflex /adieresis /agrave /aring
+  /atilde /ccedilla /eacute /ecircumflex /edieresis
+  /egrave /iacute /icircumflex /idieresis /igrave
+  /ntilde /oacute /ocircumflex /odieresis /ograve
+  /otilde /scaron /uacute /ucircumflex /udieresis
+  /ugrave /yacute /ydieresis /zcaron /exclamsmall
+  /Hungarumlautsmall /dollaroldstyle /dollarsuperior /ampersandsmall /Acutesmall
+  /parenleftsuperior /parenrightsuperior /twodotenleader /onedotenleader /zerooldstyle
+  /oneoldstyle /twooldstyle /threeoldstyle /fouroldstyle /fiveoldstyle
+  /sixoldstyle /sevenoldstyle /eightoldstyle /nineoldstyle /commasuperior
+% 250
+  /threequartersemdash /periodsuperior /questionsmall /asuperior /bsuperior
+  /centsuperior /dsuperior /esuperior /isuperior /lsuperior
+  /msuperior /nsuperior /osuperior /rsuperior /ssuperior
+  /tsuperior /ff /ffi /ffl /parenleftinferior
+  /parenrightinferior /Circumflexsmall /hyphensuperior /Gravesmall /Asmall
+  /Bsmall /Csmall /Dsmall /Esmall /Fsmall
+  /Gsmall /Hsmall /Ismall /Jsmall /Ksmall
+  /Lsmall /Msmall /Nsmall /Osmall /Psmall
+  /Qsmall /Rsmall /Ssmall /Tsmall /Usmall
+  /Vsmall /Wsmall /Xsmall /Ysmall /Zsmall
+% 300
+  /colonmonetary /onefitted /rupiah /Tildesmall /exclamdownsmall
+  /centoldstyle /Lslashsmall /Scaronsmall /Zcaronsmall /Dieresissmall
+  /Brevesmall /Caronsmall /Dotaccentsmall /Macronsmall /figuredash
+  /hypheninferior /Ogoneksmall /Ringsmall /Cedillasmall /questiondownsmall
+  /oneeighth /threeeighths /fiveeighths /seveneighths /onethird
+  /twothirds /zerosuperior /foursuperior /fivesuperior /sixsuperior
+  /sevensuperior /eightsuperior /ninesuperior /zeroinferior /oneinferior
+  /twoinferior /threeinferior /fourinferior /fiveinferior /sixinferior
+  /seveninferior /eightinferior /nineinferior /centinferior /dollarinferior
+  /periodinferior /commainferior /Agravesmall /Aacutesmall /Acircumflexsmall
+% 350
+  /Atildesmall /Adieresissmall /Aringsmall /AEsmall /Ccedillasmall
+  /Egravesmall /Eacutesmall /Ecircumflexsmall /Edieresissmall /Igravesmall
+  /Iacutesmall /Icircumflexsmall /Idieresissmall /Ethsmall /Ntildesmall
+  /Ogravesmall /Oacutesmall /Ocircumflexsmall /Otildesmall /Odieresissmall
+  /OEsmall /Oslashsmall /Ugravesmall /Uacutesmall /Ucircumflexsmall
+  /Udieresissmall /Yacutesmall /Thornsmall /Ydieresissmall (001.000)
+  (001.001) (001.002) (001.003) /Black /Bold
+  /Book /Light /Medium /Regular /Roman
+  /Semibold
+.packtomark def
+
+% ---------------- Standard encodings ---------------- %
+
+/StandardEncodings [
+
+% StandardEncoding
+mark
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+  17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
+  33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
+  49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
+  65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
+  81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 0
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
+  0 111 112 113 114 0 115 116 117 118 119 120 121 122 0 123
+  0 124 125 126 127 128 129 130 131 0 132 133 0 134 135 136
+  137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 138 0 139 0 0 0 0 140 141 142 143 0 0 0 0
+  0 144 0 0 0 145 0 0 146 147 148 149 0 0 0 0
+.packtomark
+
+% ExpertEncoding
+mark
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  1 229 230 0 231 232 233 234 235 236 237 238 13 14 15 99
+  239 240 241 242 243 244 245 246 247 248 27 28 249 250 251 252
+  0 253 254 255 256 257 0 0 0 258 0 0 259 260 261 262
+  0 0 263 264 265 0 266 109 110 267 268 269 0 270 271 272
+  273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288
+  289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 0
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+  0 304 305 306 0 0 307 308 309 310 311 0 312 0 0 313
+  0 0 314 315 0 0 316 317 318 0 0 0 158 155 163 319
+  320 321 322 323 324 325 0 0 326 150 164 169 327 328 329 330
+  331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346
+  347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362
+  363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378
+.packtomark
+
+] readonly def
+
+% ---------------- Standard Charsets ---------------- %
+
+% We include an explicit 0 at the beginning of each charset.
+
+/StandardCharsets [
+
+% ISOAdobe
+mark
+  0
+  1 1 228 { } for
+.packtomark
+
+% Expert
+mark
+  0
+  1 229 230 231 232 233 234 235 236 237 238 13 14 15 99 239
+  240 241 242 243 244 245 246 247 248 27 28 249 250 251 252 253
+  254 255 256 257 258 259 260 261 262 263 264 265 266 109 110 267
+  268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283
+  284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299
+  300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315
+  316 317 318 158 155 163 319 320 321 322 323 324 325 326 150 164
+  169 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341
+  342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357
+  358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373
+  374 375 376 377 378
+.packtomark
+
+% ExpertSubset
+mark
+  0
+  1 231 232 235 236 237 238 13 14 15 99 239 240 241 242 243
+  244 245 246 247 248 27 28 249 250 251 253 254 255 256 257 258
+  259 260 261 262 263 264 265 266 109 110 267 268 269 270 272 300
+  301 302 305 314 315 158 155 163 320 321 322 323 324 325 326 150
+  164 169 327 328 329 330 331 332 333 334 335 336 337 338 339 340
+  341 342 343 344 345 346
+.packtomark
+
+] readonly def
+
+% ---------------- Font loading ---------------- %
+
+% ------ Utilities ------ %
+
+/advance {	% <n> advance -
+  f cff eq { /pos pos 3 -1 roll add store } { pop } ifelse
+} def
+/next {		% - next <byte>
+  f read { 1 advance } if
+} def
+/nextstring {	% <length> nextstring <string>
+  dup 0 eq {
+    pop ()
+  } {
+    string f exch readstring pop dup length advance
+  } ifelse
+} def
+/card8		% - card8 <card8>
+ /next load
+def
+/card16 {	% - card16 <card16>
+  card8 8 bitshift card8 add
+} def
+/offset {	% <offsize> offset <offset>
+  0 exch { 8 bitshift next add } repeat
+} def
+/sid		% - <sid> sid
+  /card16 load
+def
+/Index {	% - Index <array>
+  mark card16 dup 0 ne {
+    1 exch next dup offset pop exch {
+      dup offset dup 4 -1 roll sub 3 1 roll exch
+    } repeat pop
+  } if pop .packtomark
+  [ exch { nextstring } forall ] readonly
+} def
+/tokens {	% - tokens <num1> ... <op#> (op# = 12 means EOF)
+  {
+    f read not { 12 exit } if
+    1 advance
+    dup 12 eq { pop next 32 add exit } if
+    dup 28 lt { exit } if
+    dup 32 lt {
+      28 sub {
+	{ card16 32768 xor 32768 sub }
+	{ 4 offset dup 16#7fffffff gt { -1 32 bitshift add } if }
+	{ tokenreal }
+	{ 31 exit }
+      } exch get exec
+    } {
+      dup 247 lt {
+	139 sub
+      } {
+	247 sub {
+	  { next 108 add }
+	  { next 364 add }
+	  { next 620 add }
+	  { next 876 add }
+	  { next 108 add neg }
+	  { next 364 add neg }
+	  { next 620 add neg }
+	  { next 876 add neg }
+	  % 255 is deliberately omitted and will cause a rangecheck
+	} exch get exec
+      } ifelse
+    } ifelse
+  } loop
+} def
+/tokenbuf 100 string def
+/tokenput {	% <index> <char> tokenput <index+1>
+  tokenbuf 2 index 3 -1 roll put 1 add
+} def
+/tokenrealarray [
+ (0123456789.E) { } forall
+ [(E) 0 get /tokenput cvx (-) 0 get] cvx
+ null		% will give an error
+ (-) 0 get
+ { exit }
+] readonly def
+/tokenreal {	% - tokenreal <float>
+  0 {
+    next exch 1 index -4 bitshift tokenrealarray exch get exec tokenput
+		% We must leave the byte on the stack temporarily so that
+		% the exit will see a consistent stack state.
+    1 index 15 and tokenrealarray exch get exec tokenput exch pop
+  } loop
+  tokenbuf 0 3 -1 roll getinterval cvr exch pop
+} def
+/Dict {		% <opsdict> Dict -
+  /opdict exch store {
+    mark tokens opdict exch .knownget { exec } if cleartomark
+  } loop cleartomark
+} def
+/idstring {	% <sid> idstring <string|name>
+  dup 391 lt { StandardStrings } { 391 sub strings } ifelse exch get
+} def
+/idname {	% <sid> idname <name>
+  idstring dup type /nametype ne { cvn } if
+} def
+
+% ------ Top dictionary ------ %
+
+/offput {	% <offset> <proc> offput -
+  currentdict exch aload length 1 add packedarray cvx
+  offsets 3 1 roll put
+} def
+/queueput {	% <font> <proc> queueput -
+  16#7fffffff offsets { pop .min } forall
+  pos sub nextstring
+  3 1 roll aload length 2 add packedarray cvx
+  [ queued aload pop counttomark 2 add -1 roll ]
+  /queued exch store
+} def
+/xxput {	% <value> <key> <dict> xxput -
+  3 1 roll exch put
+} def
+/putfi {	% <value> <key> putfi -
+  FontInfo xxput
+} def
+/xdef {		% <value> <key> xdef -
+  exch def
+} def
+/topdictops mark
+  12 { exit }
+  0 { idstring /version putfi }
+  1 { idstring /Notice putfi }
+  32 { idstring /Copyright putfi }
+  2 { idstring /FullName putfi }
+  3 { idstring /FamilyName putfi }
+  4 { idstring /Weight putfi }
+  33 { 0 ne /isFixedPitch putfi }
+  34 { /ItalicAngle putfi }
+  35 { /UnderlinePosition putfi }
+  36 { /UnderlineThickness putfi }
+  37 { /PaintType xdef }
+  38 { /CharstringType xdef }
+  39 { counttomark array astore /FontMatrix xdef }
+  13 { /UniqueID xdef }
+  5 { counttomark array astore /FontBBox xdef }
+  40 { /StrokeWidth xdef }
+  14 { counttomark array astore /XUID xdef }
+  15 {
+    dup StandardCharsets length lt {
+      StandardCharsets exch get /charset xdef
+    } {
+      { queuecharset } offput
+    } ifelse
+  }
+  16 {
+    dup StandardEncodings length lt {
+      /Encoding xdef
+    } {
+      { queueEncoding } offput
+    } ifelse
+  }
+  17 { { readCharStrings } offput }
+  18 { exch /readPrivate cvx 2 packedarray offput }
+.dicttomark readonly def
+
+/readCharStrings {	% <font> readCharStrings -
+  /CharStringArray Index put
+} def
+
+% ------ Charsets and encodings ------ %
+
+% Note: formats 1 and 2 can overflow the operand stack.
+% We'll fix this if it ever becomes necessary.
+/charsetformats [
+{ [ 0 CharStringArray length 1 sub { sid } repeat ]
+}
+{ [ 0 CharStringArray length 1 sub {
+    dup 0 eq { pop exit } if
+    sid card8 1 add 2 index .min { exch 1 sub 1 index 1 add } repeat pop
+  } loop ]
+}
+{ [ 0 CharStringArray length 1 sub {
+    dup 0 eq { pop exit } if
+    sid card16 1 add 2 index .min { exch 1 sub 1 index 1 add } repeat pop
+  } loop ]
+}
+] readonly def
+/queuecharset {		% <font> queuecharset -
+  { readcharset } queueput
+} def
+/readcharset {		% <data> <font> readcharset -
+  begin 0 () /SubFileDecode filter /f exch store
+  charsetformats next get exec /charset exch def end
+} def
+
+/encodingformats [
+{ 1 1 next { next exch Encoding 3 1 roll put } for
+}
+{ 1 next {
+    next next 1 add {
+			% Stack: gid code
+      Encoding 1 index 3 index put
+      exch 1 add exch 1 add
+    } repeat pop
+  } repeat pop
+}
+] readonly def
+/queueEncoding {	% <font> queueEncoding -
+  { readEncoding } queueput
+} def
+/readEncoding {		% <data> <font> readEncoding -
+  begin 0 () /SubFileDecode filter /f exch store
+  /Encoding [ 256 { /.notdef } repeat ] def
+  next encodingformats 1 index 127 and get exec
+  128 ge {
+			% Read supplementary encodings.
+    next {
+      Encoding next sid idname put
+    } repeat
+  } if end
+} def
+
+% ------ Private dictionary ------ %
+
+/deltarray {		% -mark- <num1> ... deltarray <num1'> ...
+  0 counttomark 1 sub { counttomark -1 roll add dup } repeat pop
+  counttomark array astore
+} def
+
+/privatedictops mark
+  12 { exit }
+  6 { deltarray /BlueValues xdef }
+  7 { deltarray /OtherBlues xdef }
+  8 { deltarray /FamilyBlues xdef }
+  9 { deltarray /FamilyOtherBlues xdef }
+  41 { /BlueScale xdef }
+  42 { /BlueShift xdef }
+  43 { /BlueFuzz xdef }
+  10 { 1 array astore /StdHW xdef }
+  11 { 1 array astore /StdVW xdef }
+  44 { deltarray /StemSnapH xdef }
+  45 { deltarray /StemSnapV xdef }
+  46 { 0 ne /ForceBold xdef }
+  47 { /ForceBoldThreshold xdef }
+  48 { /lenIV xdef }
+  49 { /LanguageGroup xdef }
+  50 { /ExpansionFactor xdef }
+  51 { /initialRandomSeed xdef }
+  19 { { readSubrs } offput }
+  20 { /defaultWidthX xdef }
+  21 { /nominalWidthX xdef }
+	% Multiple Master fonts only
+  59 { /NDV xdef }
+  60 { /CDV xdef }
+  61 { /lenBuildCharArray xdef }
+.dicttomark readonly def
+
+/readPrivate {		% <font> <size> readPrivate -
+  exch 1 index f exch () /SubFileDecode filter /f exch def
+  /Private get begin //privatedictops Dict end
+  /f cff def advance
+} def
+
+% ------ Main program ------ %
+
+% We need to pass the file as a parameter for the sake of the PDF
+% interpreter.
+/StartData {		% <resname> <nbytes> StartData -
+  currentfile exch () /SubFileDecode filter ReadData
+} def
+/ReadData {		% <resname> <file> ReadData -
+
+	% Initialize.
+
+  30 dict begin
+  /cff exch def
+  /pos 0 def
+  /resname exch cvlit def
+
+	% Read the header.
+
+  /f cff def
+  /vmajor next def
+  /vminor next def
+  /hdrsize next def
+  /aoffsize next def
+
+	% Read the Indexes.
+
+  /names Index def
+  /topdicts Index def
+  /strings Index def
+  /gsubrs Index def
+
+	% Read the top Dicts.
+
+  /offsets 50 dict def
+  /queued [] def
+  /opdict null def		% reserve a slot
+  /fonts [ topdicts {
+    0 () /SubFileDecode filter /f exch def
+    40 dict begin
+		% Preload defaults that differ from PostScript defaults,
+		% or that are required.
+      /FontType 1 def
+      /PaintType 0 def
+      /CharstringType 2 def
+      /FontMatrix [0.001 0 0 0.001 0 0] def
+      /charset StandardCharsets 0 get def
+      /Encoding 0 def
+      /FontInfo 10 dict
+	dup /UnderlinePosition -100 put
+	dup /UnderlineThickness 50 put
+      def
+      /Private 20 dict
+	gsubrs length 0 ne { dup /GlobalSubrs gsubrs put } if
+      def
+      //topdictops Dict
+    currentdict end
+  } forall ] def
+
+	% Read other tables with queued offsets.
+
+  DEBUG { offsets length =only ( offsets) = flush } if
+  { /f cff def
+    offsets pos 2 copy .knownget not { pop pop exit } if
+    3 1 roll undef exec
+  } loop
+  offsets length 0 ne {
+    (Error: missing tables at ) print [ offsets { pop } forall ] ==
+    (Current position is ) print pos ==
+    flush stop
+  } if
+
+	% Process out-of-order tables.
+
+  DEBUG { queued length =only ( queued) = flush } if
+  queued { exec } forall
+
+	% Update Encoding and CharStrings.
+
+  fonts {
+    begin
+		% Construct the real Encoding.
+		% The value of Encoding is either a number, for predefined
+		% encodings, or an array of mixed GIDs and names.
+      /Encoding mark Encoding
+      DEBUG { (Encoding: ) print dup === flush } if
+      dup type /integertype eq {
+	StandardEncodings exch get { idname } forall
+      } {
+	{
+	  dup type /integertype eq { charset exch get idname } if
+        } forall
+      } ifelse .packtomark def
+		% Construct the CharStrings.
+		% Note that they may only correspond to an initial
+		% subset of the charset.
+      /CharStrings charset length CharStringArray length .min dict def
+      DEBUG {
+	charset length =only ( charset ) print
+	CharStringArray length =only ( CharStringArray) =
+	charset == flush
+      } if
+      0 1 CharStrings maxlength 1 sub {
+	dup CharStringArray exch get
+	exch charset exch get idstring
+	CharStrings xxput
+      } for
+		% Remove unwanted entries.
+      currentdict /charset undef
+      currentdict /CharStringArray undef
+    end
+  } forall
+
+	% Wrap up.
+
+  resname mark 0 1 fonts length 1 sub {
+    DEBUG { dup =only ( ) print flush } if
+    dup names exch get
+    DEBUG { dup == flush } if
+    exch fonts exch get
+    dup /FontName 3 index put
+    1 index exch definefont
+  } for .dicttomark
+  end		% temporary dict
+  end		% FontSetInit ProcSet
+  /FontSet defineresource pop
+
+} bind def
+
+% ---------------- Resource category definition ---------------- %
+
+currentdict end readonly
+
+languagelevel exch 2 .setlanguagelevel
+
+/FontSet /Generic /Category findresource dup length dict .copydict
+/Category defineresource pop
+
+/FontSetInit exch /ProcSet defineresource pop
+
+.setlanguagelevel
diff --git a/pstoraster/gs_cidfn.ps b/pstoraster/gs_cidfn.ps
new file mode 100644
index 000000000..f7f926502
--- /dev/null
+++ b/pstoraster/gs_cidfn.ps
@@ -0,0 +1,466 @@
+%    Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_cidfn.ps 956 2000-03-08 23:15:43Z mike $
+% ProcSet for implementing CIDFont and CIDMap resources.
+% When this is run, systemdict is still writable.
+
+% ---------------- Defining CIDFont resources ---------------- %
+
+% Define a CIDFont resource.  This is the defineresource implementation for
+% the CIDFont resource category.
+
+/.cidfonttypes where { pop } { /.cidfonttypes 6 dict def } ifelse
+.cidfonttypes begin
+
+% The key in .cidfonttypes is the CIDFontType value;
+% the value is a procedure that takes a font name and the CIDFont dictionary
+% and replaces the latter with a real font.
+
+0 {	% CIDFontType 0 = FontType 9
+  currentglobal 3 1 roll dup gcheck setglobal
+  dup /FontType 9 put
+  dup /FontMatrix known not {
+    dup /FontMatrix [0.001 0 0 0.001 0 0] put
+    dup /FDArray get {
+      /FontMatrix get [1000 0 0 1000 0 0] 1 index concatmatrix pop
+    } forall
+  } if
+  dup /FDArray get mark exch {
+		% Add pro forma entries
+    currentglobal exch dup gcheck setglobal
+    dup /FontType 1 put
+    dup /CharStrings mark /.notdef () .dicttomark put
+    dup /Encoding [] put
+		% Create a dummy Subrs array now, if there isn't one here
+		% already (which can only happen if we're giving another
+		% name to an existing font).
+    dup /Private get dup /Subrs known not {
+      dup /SubrCount .knownget {
+	array 1 index /Subrs 3 -1 roll put
+      } if readonly
+    } if pop
+    exch setglobal
+    dup /FontName .knownget not { () } if exch .buildfont1 exch pop
+  } forall ] 1 index /FDepVector 3 -1 roll put
+  3 -1 roll setglobal
+  1 index exch .buildfont9 exch pop
+} bind def
+
+1 {	% CIDFontType 1 = FontType 10
+  dup /FontType 10 put
+  1 index exch .buildfont10 exch pop
+} bind def
+
+2 {	% CIDFontType 2 = FontType 11
+  dup /FontType 11 put
+  1 index exch .buildfont11 exch pop
+} bind def
+
+end		% .cidfonttypes
+
+% ---------------- Reading CIDFontType 0 files ---------------- %
+
+30 dict begin
+
+% We add the following entries to the CIDFont dictionary, in addition to
+% the ones documented by Adobe:
+%	ReadString - procedure for reading a string from the binary data
+%	SubrCache - dictionary for caching Subr arrays
+% For CIDFonts where we read the data from disk incrementally:
+%	DataOffset - starting position of data in file
+%	(if data are in hex) OffsetMap - map from logical data positions to
+%	  physical positions in file
+
+/StartData		% <(Binary)|(Hex)> <datalength> StartData -
+			%   (currentdict is CID font dict)
+{		% If we're loading a resource file, we can just save a
+		% pointer to the binary data and load it incrementally.
+		% Check for this by opening the resource file,
+		% positioning it to currentfile's position plus the
+		% data length, and checking for %%EndData.
+   mark
+    { currentfile fileposition
+      CIDFontName 100 string ResourceFileName (r) file
+       mark
+	{		% Stack: (Binary)|(Hex) length -mark- pos resfile
+			%   -mark-
+	  5 index (Hex) eq
+	   { 1 index 3 index setfileposition
+	     1 index 5 index .skiphex
+			%**************** SKIP > AND WHITESPACE SOMEHOW
+	   }
+	   { 1 index 3 index 6 index add setfileposition
+	   }
+	  ifelse
+	  1 index 9 string readstring pop (%%EndData) ne { stop } if
+	}
+       .internalstopped { cleartomark closefile stop } if
+       pop		% pop the mark
+    }
+   .internalstopped
+   {		% File is not positionable, load the data now.
+     cleartomark exch (Hex) eq
+      { { currentfile exch readhexstring pop } }
+      { { currentfile exch readstring pop } }
+     ifelse /ReadString exch def
+     dup 65535 le
+      { string ReadString
+      }
+      { mark exch
+	 { dup 0 eq { pop exit } if
+	   dup 65535 min dup string ReadString
+	   3 1 roll sub
+	 }
+	loop ]
+      }
+     ifelse
+     /GlyphData exch def
+		% If we were reading hex data, skip past the >.
+     /ReadString load 2 get { readhexstring } 0 get eq {
+       currentfile 0 (>) /SubFileDecode filter dup flushfile closefile
+     } if
+     /.vmreadstring cvx
+   }
+   {		% File is positionable, just save a pointer.
+		% Stack: (Binary)|(Hex) length -mark- pos file
+     4 1 roll
+     /DataOffset exch def
+     pop /GlyphData exch def
+     exch (Hex) eq
+      {		% Hex data, build the offset map.
+	.buildoffsetmap
+	/.hexreadstring
+      }
+      {		% Binary data, just skip over it.
+	currentfile DataOffset GlyphData add setfileposition
+	/.binaryreadstring
+      }
+     ifelse cvx
+     2 packedarray cvx
+   }
+  ifelse /ReadString exch def
+  /SubrCache 10 dict def
+  CIDFontName currentdict /CIDFont defineresource pop
+  end			% CID font dict
+  end			% resource category dict
+} bind def
+
+% Skip a given distance in an ASCIIHex encoded file.  We use this at
+% rendering time as well.
+/.skiphex		% <file> <count> .skiphex -
+{ exch /ASCIIHexDecode filter dup 3 -1 roll () /SubFileDecode filter
+  dup flushfile closefile closefile
+} bind def
+
+% Build the map from logical offsets to physical offsets in ASCIIHex
+% encoded data.
+/.buildoffsetmap
+{ /OffsetMap GlyphData 256 idiv 8000 min array def
+  2 dict begin
+     /block GlyphData OffsetMap length idiv def
+     0 1 OffsetMap length 1 sub
+      { OffsetMap exch currentfile fileposition put
+	currentfile block .skiphex
+      }
+     for
+     GlyphData block mod dup 0 eq
+      { pop }
+      { currentfile exch .skiphex }
+     ifelse
+  end			% scratch dict
+} bind def
+
+currentdict end
+
+% ---------------- Rendering ---------------- %
+
+% ------ Generic ------ %
+
+% Read a string at a given offset in a "file" (binary file, ASCII hex file,
+% or GlyphData in RAM).
+/.binaryreadstring	% <pos> <string> <file> .binaryreadstring <string>
+ { dup 4 -1 roll DataOffset add setfileposition exch readstring pop
+ } bind def
+/.hexreadstring		% <pos> <string> <file> .hexreadstring <string>
+{		% Use the OffsetMap to get to the block of hex data,
+		% then skip to the correct position by reading.
+  GlyphData OffsetMap length idiv
+		% Stack: pos string file blocklen
+  3 index 1 index idiv OffsetMap exch get
+  2 index exch setfileposition
+		% Skip the next (pos % blocklen) hex bytes.
+  4 -1 roll exch mod 1 index exch .skiphex
+		% Stack: string file
+  exch readhexstring pop  
+} bind def
+/.vmreadstring		% <pos> <string> .vmreadstring <vmstring>
+{ GlyphData .stringsreadstring
+} bind def
+/.stringsreadstring	% <pos> <string> <strings> .stringsreadstring
+			%   <vmstring>
+{ dup type /stringtype eq
+   { 3 1 roll length getinterval
+   }
+   {  {		% Stack: pos string glyphdata
+	dup 0 get length dup 4 index gt { exit } if
+	4 -1 roll exch sub 3 1 roll
+	dup length 1 sub 1 exch getinterval
+      }
+     loop
+		% Stack: pos string glyphdata glyphdata[0]length
+		% We know no request can span more than 2 strings.
+     3 index 3 index length add 1 index le
+      {		% Request fits in a single string: just return a substring.
+	pop 0 get 3 1 roll length getinterval
+      }
+      {		% Request spans 2 strings.  Copy the first part.
+	1 index 0 get 4 index 3 -1 roll 1 index sub getinterval
+	2 index copy
+		% Copy the second part.
+		% Stack: pos str glyphdata str1
+	length exch 1 get 0 3 index length
+	3 index sub getinterval 2 index 3 1 roll putinterval
+	exch pop
+      }
+     ifelse
+   }
+  ifelse
+} bind def
+
+% Interpret a byte string as a (big-endian) integer.
+/.cvbsi			% <bytes> .cvbsi <int>
+{ 0 exch { exch 8 bitshift add } forall
+} bind def
+
+% Read an integer from binary data.
+/.readint		% <pos> <nbytes> .readint <int>
+{ string ReadString .cvbsi
+} bind def
+
+% Read the glyph data for a given CID.  The CIDFont is currentdict.
+% Note that the data must be read into the same VM as the CharStrings
+% dictionary of the selected subfont.
+/.readglyphdata {	% <cid> .readglyphdata <subfont> <string|null>
+  currentdict /GlyphDirectory .knownget {
+    dup type /arraytype eq {
+      1 index exch get
+    } {
+      1 index exch .knownget not { null } if
+    } ifelse
+    dup null eq {
+      FDepVector 0 get exch
+    } {
+      FDBytes 0 eq {
+	FDepVector 0 get exch
+      } {
+			% Note: FDBytes > 1 is not supported.
+	dup 0 get FDepVector exch get
+	exch dup length 1 sub 1 exch getinterval
+      }	ifelse
+    } ifelse
+  } {
+    FDBytes GDBytes add mul CIDMapOffset add
+    dup FDBytes .readint exch
+    FDBytes add dup GDBytes .readint
+    exch GDBytes add FDBytes add GDBytes .readint
+			% Stack: fd pos nextpos
+    1 index sub dup 0 eq {
+      pop pop pop FDepVector 0 get null
+    } {
+			% Stack: fd pos len
+      FDepVector 4 -1 roll get
+      dup /CharStrings get gcheck .currentglobal exch .setglobal
+			% Stack: pos len subfont global
+      4 2 roll string ReadString exch .setglobal
+    } ifelse  
+  } ifelse
+} bind def
+
+% ------ CIDFontType 0 ------ %
+
+% Read some Subrs for the current Type 1 subfont.
+% The subfont's Private dict is currentdict; the CIDFont itself is the
+% next dictionary on the stack.
+/.readsubrs {		% <Subrs> <start> .readsubrs <Subrs>
+  1 SubrCount 1 sub {
+    dup SDBytes mul SubrMapOffset add
+    dup SDBytes .readint exch SDBytes add SDBytes .readint
+    1 index sub string ReadString 2 index 3 1 roll put
+  } for
+} bind def
+
+% Ensure that all the Subrs for the current Type 1 subfont are loaded.
+% The subfont's Private dict is currentdict; the CIDFont itself is the
+% next dictionary on the stack.
+/.loadsubrs {
+  currentdict /SubrMapOffset .knownget {
+    Subrs 0 get null ne {
+      pop		% We've already loaded the Subrs.
+    } {
+      currentglobal exch currentdict gcheck setglobal
+      SubrCache 1 index .knownget {
+			% We've already loaded some Subrs at this offset.
+			% Make sure we've got as many as we need.
+	dup length SubrCount lt {
+			% We need to load more.
+	  SubrCount array exch 1 index copy length .readsubrs
+	  SubrCache 3 -1 roll 2 index put
+	} if
+      } {
+			% We haven't loaded any Subrs at this offset yet.
+	SubrCount array 0 .readsubrs
+	SubrCache 3 -1 roll 2 index put
+      } ifelse
+      Subrs copy pop setglobal
+    } ifelse
+  } if
+} bind def
+
+% BuildGlyph procedure for CIDFontType 0.
+% ****** WHY NOT USE .type1execchar FOR THIS? ******
+% The name %Type9BuildGlyph is known to the interpreter.
+/.cid0buildstring 10 string def
+(%Type9BuildGlyph) cvn {	% <cidfont> <cid> %Type9BuildGlyph -
+  .currentglobal 3 1 roll 1 index gcheck .setglobal
+  1 index begin
+  dup .readglyphdata dup null eq
+   { %**** HANDLE NOTDEF ****
+   }
+  if
+			% Stack: cidfont cid subfont charstring
+dup null eq { pop pop pop pop } {	%**** WRONG ****
+  4 -1 roll pop
+  exch dup /Private get begin .loadsubrs end
+  3 -1 roll //.cid0buildstring cvs cvn 3 1 roll
+  dup /CharStrings get 3 index 4 -1 roll put
+  setfont
+  1000 0 setcharwidth	%**** WRONG ****
+  0 0 moveto glyphshow
+} ifelse	%**** WRONG ****
+  end
+  .setglobal
+} bind def
+
+% ------ CIDFontType 2 ------ %
+
+% BuildGlyph procedure for CIDFontType 2.
+% ****** ADD THE OUTLINE STRING AS AN ARGUMENT TO .type42execchar. ******
+% The name %Type11BuildGlyph is known to the interpreter.
+(%Type11BuildGlyph) cvn {	% <cidfont> <cid> %Type11BuildGlyph -
+  .currentglobal 3 1 roll 1 index gcheck .setglobal
+  1 index begin
+		% We must be prepared for out-of-range CIDs.
+  dup GDBytes mul GDBytes string CIDMap
+  mark 4 1 roll { .stringsreadstring } .internalstopped {
+		%**** 0 IS WRONG
+    cleartomark 0 GDBytes string CIDMap .stringsreadstring
+  } {
+    exch pop
+  } ifelse .cvbsi
+			% Stack: cidfont cid glyphindex
+%**************** GlyphDirectory is not supported yet.
+(
+  currentdict /GlyphDirectory .knownget
+) pop false
+   { dup type /arraytype eq
+      { 1 index exch get }
+      { 1 index exch .knownget not { null } if }
+     ifelse
+     dup null eq
+      { %**** HANDLE NOTDEF
+      }
+     if
+     1 index exch .type42execchar
+   }
+   { 1 index exch .type42execchar
+   }
+  ifelse
+  end
+  .setglobal
+} bind def
+
+% ---------------- Define resources ---------------- %
+
+languagelevel exch 2 .setlanguagelevel
+
+% Define the CIDInit ProcSet resource.
+% The ProcSet dictionary is still on the stack.
+
+/CMap /Generic /Category findresource dup length dict .copydict
+/Category defineresource pop
+	% We might have loaded CMap support already.
+/CIDInit /ProcSet 2 copy resourcestatus {
+  pop pop findresource dup length 4 index length add dict .copydict
+  4 -1 roll exch .copydict
+} {
+  3 -1 roll
+} ifelse exch defineresource pop
+
+% Define the CIDFont resource category.
+% We break out .buildcidfont because it appears that at least for
+% Type 32 (CIDFontType 4) fonts, the font can be registered in the Font
+% category with only a CIDFontType and no FontType.
+/.buildcidfont {		% <name> <fontdict> .buildcidfont
+				%   <name> <cidfont>
+  dup /CIDFontType get //.cidfonttypes exch get exec
+} odef
+
+/CIDFont /Generic /Category findresource dup length dict .copydict
+dup /InstanceType /dicttype put
+dup /DefineResource {
+  .buildcidfont
+  /Generic /Category findresource /DefineResource get exec
+} put
+/Category defineresource pop
+
+% Add the new FontType resources.
+
+9 1 11 { dup /FontType defineresource pop } for
+
+% Add the new FMapType resource.
+
+9 dup /FMapType defineresource pop
+
+% Define the CIDMap resource category.
+% These aren't documented, but it's clear what they are for:
+% to give names to CIDMaps for CIDFontType 2 fonts.
+
+/CIDMap /Generic /Category findresource dup length dict .copydict
+dup /.CheckResource {
+	% Allow either a string or an array of strings.
+  dup type dup /stringtype eq
+   { pop true
+   }
+   { dup /arraytype eq exch /packedarraytype eq or
+      { true exch { type /stringtype ne { pop false exit } if } forall
+      }
+      { false
+      }
+     ifelse
+   }
+  ifelse
+} bind put
+/Category defineresource pop
+
+.setlanguagelevel
diff --git a/pstoraster/gs_cmap.ps b/pstoraster/gs_cmap.ps
new file mode 100644
index 000000000..e2ce96d65
--- /dev/null
+++ b/pstoraster/gs_cmap.ps
@@ -0,0 +1,256 @@
+%    Copyright (C) 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_cmap.ps 956 2000-03-08 23:15:43Z mike $
+% ProcSet for implementing CMap resources.
+% When this is run, systemdict is still writable.
+
+% NOTE: Rearranged fonts are not implemented yet.
+
+% ---------------- Public operators ---------------- %
+
+% composefont doesn't appear in CMap files -- it's documented in
+% the "PostScript Language Reference Manual Supplement".
+/composefont {		% <name> <cmap|cmapname> <fonts> composefont <font>
+  10 dict begin
+    /CMap 2 index dup type /dicttype ne { /CMap findresource } if def
+    /Encoding [ 0 1 4 index length 1 sub { } for ] def
+    /FDepVector [ 2 index {
+      dup type /dicttype ne {
+	dup /CIDFont resourcestatus {
+	  pop pop /CIDFont findresource
+	} {
+	  /Font findresource
+	} ifelse
+      } if
+    } forall ] readonly def
+    /FMapType 9 def
+    /FontMatrix matrix def
+    /FontName 3 index def
+    /CMap load /WMode .knownget { /WMode exch def } if
+    /FontType 0 def
+  pop pop currentdict end /Font defineresource
+} bind odef
+
+% ---------------- CMap operators ---------------- %
+
+30 dict begin
+
+% Our internal .CodeMaps structure is an array of two arrays: array 0
+% is the map for defined characters, array 1 is the map for notdefs.
+% Both are multi-level arrays indexed by the successive bytes of the
+% character code.  Each value is either a sub-array, null, a character name,
+% a CID (an integer), or a character code (expressed as a byte string).
+% All of the arrays are read-only after they have been built.
+%
+% Note that the code in zfcmap.c that constructs the C structures from
+% the PostScript structures has intimate knowledge of the above format.
+
+/.getmap { .CodeMaps exch get } bind def
+/.putmap { .CodeMaps exch 3 -1 roll put } bind def
+
+% ------ Font-level operators ------ %
+
+/begincmap		% - begincmap -
+ { /.CodeMaps [256 array 256 array] def
+ } bind def
+/endcmap		% - endcmap -
+ { /.CodeMaps .CodeMaps .endmap def
+   /CodeMap null def		% for .buildcmap
+   currentdict end .buildcmap begin
+ } bind def
+
+/begincodespacerange	% <count> begincodespacerange -
+ { pop mark
+ } bind def
+/endcodespacerange	% <code_lo> <code_hi> ... endcodespacerange -
+ { counttomark 2 idiv
+    { .CodeMaps { 3 copy .addcodespacerange pop } forall pop pop
+    } repeat pop
+ } bind def
+
+/.addcodespacerange	% <code_lo> <code_hi> <map> .addcodespacerange -
+ { 2 index length 1 eq
+    { 2 { 3 -1 roll 0 get } repeat 1 exch
+       { 2 copy 0 put pop } for pop
+    }
+    { 2 index 0 get 1 3 index 0 get
+      6 -2 roll
+      2 { 1 1 index length 1 sub getinterval 6 1 roll } repeat
+		% Stack: lo hi map lo0 1 hi0
+       { 2 copy get null eq { 2 copy 256 array put } if
+         4 copy get .addcodespacerange pop
+       }
+      for pop pop pop
+    }
+   ifelse
+ } bind def
+/.endmap		% <map> .endmap <map>
+ { dup type /arraytype eq { dup { .endmap exch } forall astore readonly } if
+ } bind def
+
+/usecmap		% <CMap_name> usecmap -
+ { /CMap findresource
+   dup length dict .copydict
+   currentdict end exch .copydict begin
+ } bind def
+
+% ------ Rearranged font operators ------ %
+
+/beginrearrangedfont	% <font_name> <font*> beginrearrangedfont -
+ {	(NOT IMPLEMENTED YET.\n) print flush
+ } bind def
+/endrearrangedfont	% - endrearrangedfont -
+ {	(NOT IMPLEMENTED YET.\n) print flush
+ } bind def
+
+/usefont		% <fontID> usefont -
+ {	(NOT IMPLEMENTED YET.\n) print flush
+ } bind def
+
+/beginusematrix		% <fontID> beginusematrix -
+ {	(NOT IMPLEMENTED YET.\n) print flush
+ } bind def
+/endusematrix		% <matrix> endusematrix -
+ {	(NOT IMPLEMENTED YET.\n) print flush
+ } bind def
+
+% ------ Character name/code selector operators ------ %
+
+/beginbfchar		% <count> beginbfchar -
+ { pop mark
+ } bind def
+/endbfchar		% <code> <to_code|charname> ... endbfchar
+ { 0 .getmap .endmapchar 0 .putmap
+ } bind def
+
+/beginbfrange		% <count> beginbfrange -
+ { pop mark
+ } bind def
+/endbfrange		% <code_lo> <code_hi> <to_code|(charname*)> ...
+			%   endbfrange -
+ { 0 .getmap counttomark 3 idiv { .addbfrange } repeat 0 .putmap pop
+ } bind def
+
+/.addbfrange		% <code_lo> <code_hi> <to_code|(charname*)> <map>
+			%   .addbfrange <map>
+ { 1 index type /stringtype eq
+    {  { dup length string copy dup dup length 1 sub 2 copy get 1 add put }
+      exch .addmaprange
+    }
+    { 2 dict begin exch /codes 1 index def 0 get exch
+       { codes dup length 1 sub 1 exch getinterval /codes 1 index def
+	 dup length 0 gt { 0 get } if
+       }
+      exch .addmaprange end
+    }
+   ifelse exch pop
+ } bind def
+
+% ------ CID selector operators ------ %
+
+/begincidchar		% <count> begincidchar -
+ { pop mark
+ } bind def
+/endcidchar		% <code> <cid> ... endcidchar -
+ { 0 .getmap .endmapchar 0 .putmap
+ } bind def
+
+/begincidrange		% <count> begincidrange -
+ { pop mark
+ } bind def
+/endcidrange		% <code_lo> <code_hi> <cid_base> ... endcidrange -
+ { 0 .getmap counttomark 3 idiv { { 1 add } exch .addmaprange exch pop } repeat
+   0 .putmap pop
+ } bind def
+
+/.endmapchar		% -mark- <code> <value> ... <map> .endmapchar -
+ { counttomark 2 idiv
+    { 2 index 3 1 roll { } exch .addmaprange exch pop
+    } repeat exch pop
+ } bind def
+
+/.addmaprange		% <code_lo> <code_hi> <value_base> <next_proc> <map>
+			%   .addcidrange <value_next> <map>
+ {	% We may be updating a (partly) read-only map from another CMap.
+	% If so, implement copy-on-write.
+   dup wcheck not { dup length array copy } if
+   4 index length 1 eq
+    { 2 { 5 -1 roll 0 get } repeat 1 exch
+       {	% Stack: value proc map code
+	 2 copy 5 index put pop
+	 3 -1 roll 2 index exec 3 1 roll
+       } for
+    }
+    { 4 index 0 get 1 5 index 0 get
+      8 -2 roll
+      2 { 1 1 index length 1 sub getinterval 8 1 roll } repeat
+		% Stack: lo hi next proc map lo0 1 hi0
+       { 6 copy get .addmaprange
+		% Stack: lo hi oldnext proc map i next submap
+	 exch 6 1 roll 5 -1 roll pop
+		% Stack: lo hi next proc map i submap
+	 3 copy put pop pop
+       }
+      for 5 -2 roll pop pop
+    }
+   ifelse exch pop
+ } bind def
+
+% ------ notdef operators ------ %
+
+/beginnotdefchar	% <count> beginnotdefchar -
+ { pop mark
+ } bind def
+/endnotdefchar		% <code> <cid> ... endnotdefchar -
+ { counttomark 2 idiv { 1 index exch .addnotdefrange } repeat pop
+ } bind def
+
+/beginnotdefrange	% <count> beginnotdefrange -
+ { pop mark
+ } bind def
+/endnotdefrange		% <code_lo> <code_hi> <cid> ... endnotdefrange -
+ { counttomark 3 idiv { .addnotdefrange } repeat pop
+ } bind def
+
+/.addnotdefrange	% <code_lo> <code_hi> <cid_base> .addnotdefrange -
+ { { } 1 .getmap .addmaprange 1 .putmap pop
+ } bind def
+
+% ---------------- Resource category definition ---------------- %
+
+currentdict end
+
+languagelevel exch 2 .setlanguagelevel
+
+/CMap /Generic /Category findresource dup length dict .copydict
+/Category defineresource pop
+	% We might have loaded CID font support already.
+/CIDInit /ProcSet 2 copy { findresource } .internalstopped
+	% An interior `stopped' might have reset VM allocation to local.
+true .setglobal
+ { pop pop 3 -1 roll }
+ { dup length 4 index length add dict .copydict 4 -1 roll exch .copydict }
+ifelse exch defineresource pop
+
+.setlanguagelevel
diff --git a/pstoraster/gs_cmdl.ps b/pstoraster/gs_cmdl.ps
new file mode 100644
index 000000000..7293e0923
--- /dev/null
+++ b/pstoraster/gs_cmdl.ps
@@ -0,0 +1,188 @@
+%    Copyright (C) 1994, 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_cmdl.ps 956 2000-03-08 23:15:43Z mike $
+% Parse and execute the command line.
+% C code handles the following switches: -h/-? -I -M -v
+
+/cmddict 50 dict def
+cmddict begin
+
+% ---------------- Utility procedures ---------------- %
+
+% Get the next argument from the parsed argument list.
+/nextarg		% - nextarg <arg> true
+			% - nextarg false
+ { argv length 0 eq
+    { false }
+    { argv dup 0 get exch dup length 1 sub 1 exch getinterval /argv exch def }
+   ifelse
+ } bind def
+
+% Run a file, under job control if implemented.
+/runjob			% <file> runjob -
+ { end		% cmddict
+   /startjob where { pop false () startjob pop }
+   run
+   //cmddict begin
+ } bind def
+/runfilejob		% <filename> runfilejob -
+ { findlibfile { exch pop } { (r) file } runjob
+ } bind def
+
+% Expand arguments.  Free variables: expand@.
+/expandarg		% <string> expandarg <args...>
+ { dup () eq
+    { pop
+    }
+    { dup dup (--) eq exch (-+) eq or
+       { pop /expand@ false def
+       }
+       { expand@ { (@) anchorsearch } { false } ifelse
+	  { pop findlibfile
+	     { exch pop }
+	     { (r) file }		% let the error happen
+	    expandargfile
+	  }
+	 if
+       }
+      ifelse
+    }
+ } bind def
+/expandargfile		% <file> expandargfile <args...>
+ { [ exch cvlit
+    { token not { exit } if
+      dup type /stringtype ne { =string cvs dup length string copy } if
+      expandarg
+    }
+   /exec cvx
+   ] cvx loop
+ } bind def
+
+% ---------------- Recognized switches ---------------- %
+
+% Switches with arguments are defined as <x>;
+% switches without arguments are defined as -<x>.
+
+% Switches without arguments
+/--
+ { nextarg not
+    { (-- and -+ require a file name.\n) print flush }
+    { //systemdict /ARGUMENTS argv put /argv [] def runjob }
+   ifelse
+ } bind def
+/-+ /-- load def
+/-@ /-- load def
+/-A { (@) Z } bind def
+/-c
+ {  { argv length 0 eq { exit } if
+      argv 0 get (-) anchorsearch { pop pop exit } if
+      pop nextarg token
+       { exch pop			% Probably should check for empty.
+	 end exec //cmddict begin
+       }
+      if
+    }
+   loop
+ } bind def
+/-e { (#) Z } bind def
+/-E /-e load def
+/-f { } def
+/-q { //systemdict /QUIET true put } bind def
+
+% Switches with arguments
+/d
+ { (=) search not { (#) search not { () exch dup } if } if
+   exch pop cvn dup where
+    { pop (Redefining ) print print ( is not allowed.\n) print flush pop }
+    { exch token
+       { exch pop }		% Probably should check for empty.
+       { true }
+      ifelse
+      //systemdict 3 1 roll put
+    }
+   ifelse
+ } bind def
+/D /d load def
+/f { dup length 0 ne { runfilejob } if } bind def
+/g
+ { (x) search { cvi pop exch cvi } { cvi dup } ifelse
+   //systemdict begin /DEVICEHEIGHT exch def /DEVICEWIDTH exch def end
+ } bind def
+/r
+ { (x) search { cvr pop exch cvr } { cvr dup } ifelse
+   //systemdict begin /DEVICEYRESOLUTION exch def /DEVICEXRESOLUTION exch def end
+ } bind def
+/s
+ { (=) search not { (#) search not { () exch dup } if } if
+   exch pop cvn dup where { pop dup load } { () } ifelse
+   type /stringtype ne
+    { (Redefining ) print print ( is not allowed.\n) print flush pop }
+    { exch //systemdict 3 1 roll put }
+   ifelse
+ } bind def
+/S /s load def
+/Z { true .setdebug } bind def
+
+% ---------------- Main program ---------------- %
+
+% We process the command line in two passes.  In the first pass,
+% we read and expand any @-files as necessary.  The second pass
+% does the real work.
+
+/cmdstart
+ { //cmddict begin
+   /expand@ true def
+   [
+		% Process the GS_OPTIONS environment variable.
+   (GS_OPTIONS) getenv { 0 () /SubFileDecode filter expandargfile } if
+		% Process the actual command line.
+   .getargv { expandarg } forall
+   ] readonly /argv exch def
+		% Now interpret the commands.
+    { nextarg not { exit } if
+      dup 0 get (-) 0 get eq
+       { dup length 1 eq
+	  { pop (%stdin) (r) file runjob
+	  }
+	  { dup length 2 gt
+	     { dup dup length 2 sub 2 exch getinterval exch 1 1 getinterval }
+	    if currentdict .knownget
+	     { exec
+	     }
+	     { (Ignoring unknown switch ) print
+	       dup length 1 eq { (-) print print } if print
+	       (\n) print flush
+	     }
+	    ifelse
+	  }
+	 ifelse
+       }
+       { runfilejob
+       }
+      ifelse
+    }
+   loop end
+ } bind def
+
+end		% cmddict
diff --git a/pstoraster/gs_dbt_e.ps b/pstoraster/gs_dbt_e.ps
new file mode 100644
index 000000000..b31a39228
--- /dev/null
+++ b/pstoraster/gs_dbt_e.ps
@@ -0,0 +1,67 @@
+%    Copyright (C) 1993, 1994 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_dbt_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the Dingbats encoding vector.
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/DingbatsEncoding
+% \000
+    StandardEncoding 0 32 getinterval aload pop		% /.notdef
+% \040
+    /space /a1 /a2 /a202 /a3 /a4 /a5 /a119
+    /a118 /a117 /a11 /a12 /a13 /a14 /a15 /a16
+    /a105 /a17 /a18 /a19 /a20 /a21 /a22 /a23
+    /a24 /a25 /a26 /a27 /a28 /a6 /a7 /a8
+% \100
+    /a9 /a10 /a29 /a30 /a31 /a32 /a33 /a34
+    /a35 /a36 /a37 /a38 /a39 /a40 /a41 /a42
+    /a43 /a44 /a45 /a46 /a47 /a48 /a49 /a50
+    /a51 /a52 /a53 /a54 /a55 /a56 /a57 /a58
+% \140
+    /a59 /a60 /a61 /a62 /a63 /a64 /a65 /a66
+    /a67 /a68 /a69 /a70 /a71 /a72 /a73 /a74
+    /a203 /a75 /a204 /a76 /a77 /a78 /a79 /a81
+    /a82 /a83 /a84 /a97 /a98 /a99 /a100 /.notdef
+% \200
+    StandardEncoding 0 32 getinterval aload pop		% /.notdef
+% \240
+    /.notdef /a101 /a102 /a103 /a104 /a106 /a107 /a108
+    /a112 /a111 /a110 /a109 /a120 /a121 /a122 /a123
+    /a124 /a125 /a126 /a127 /a128 /a129 /a130 /a131
+    /a132 /a133 /a134 /a135 /a136 /a137 /a138 /a139
+% \300
+    /a140 /a141 /a142 /a143 /a144 /a145 /a146 /a147
+    /a148 /a149 /a150 /a151 /a152 /a153 /a154 /a155
+    /a156 /a157 /a158 /a159 /a160 /a161 /a163 /a164
+    /a196 /a165 /a192 /a166 /a167 /a168 /a169 /a170
+% \340
+    /a171 /a172 /a173 /a162 /a174 /a175 /a176 /a177
+    /a178 /a179 /a193 /a180 /a199 /a181 /a200 /a182
+    /.notdef /a201 /a183 /a184 /a197 /a185 /a194 /a198
+    /a186 /a195 /a187 /a188 /a189 /a190 /a191 /.notdef
+256 packedarray .defineencoding
+3 DingbatsEncoding .registerencoding
+exec
diff --git a/pstoraster/gs_diskf.ps b/pstoraster/gs_diskf.ps
new file mode 100644
index 000000000..eedd98082
--- /dev/null
+++ b/pstoraster/gs_diskf.ps
@@ -0,0 +1,232 @@
+%    Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_diskf.ps 956 2000-03-08 23:15:43Z mike $
+% Support for converting Type 1 fonts without eexec encryption to
+% Type 4 fonts that load individual character outlines on demand.
+
+% If DISKFONTS is true, we load individual CharStrings as they are needed.
+% (This is intended primarily for machines with very small memories.)
+% Initially, the character definition is the file position of the definition;
+% this gets replaced with the actual CharString.
+% Note that if we are loading characters lazily, CharStrings is writable.
+
+% _Cstring must be long enough to hold the longest CharString for
+% a character defined using seac.  This is lenIV + 4 * 5 (for the operands
+% of sbw, assuming div is not used) + 2 (for sbw) + 3 * 5 (for the operands
+% of seac other than the character codes) + 2 * 2 (for the character codes)
+% + 2 (for seac), i.e., lenIV + 43.
+
+/_Cstring 60 string def
+
+% When we initially load the font, we call
+%	<index|charname> <length> <readproc> cskip_C
+% to skip over each character definition and return the file position instead.
+% This substitutes for the procedure
+%	<index|charname> <length> string currentfile exch read[hex]string pop
+%	  [encrypt]
+% What we actually store in the CharString is fileposition * 1000 + length,
+%   negated if the string is stored in binary form.
+
+/cskip_C
+ { exch dup 1000 ge 3 index type /nametype ne or
+    { % This is a Subrs string, or the string is so long we can't represent
+      % its length.  Load it now.
+      exch exec
+    }
+    { % Record the position and length, and skip the string.
+      dup currentfile fileposition 1000 mul add
+      2 index 3 get /readstring cvx eq { neg } if
+      3 1 roll
+      dup _Cstring length idiv
+       { currentfile _Cstring 3 index 3 get exec pop pop
+       } repeat
+      _Cstring length mod _Cstring exch 0 exch getinterval
+      currentfile exch 3 -1 roll 3 get exec pop pop
+    }
+   ifelse
+ } bind def
+
+% Load a CharString from the file.  The font is the top entry
+% on the dictionary stack.
+/load_C		% <charname> <fileposandlength> load_C -
+ { dup abs 1000 idiv FontFile exch setfileposition
+   CharStrings 3 1 roll
+   .currentglobal CharStrings .gcheck .setglobal exch
+   dup 0 lt
+    { neg 1000 mod string FontFile exch readstring }
+    { 1000 mod string FontFile exch readhexstring }
+   ifelse pop
+   exch .setglobal
+% If the CharStrings aren't encrypted on the file, encrypt now.
+   Private /-| get 0 get
+   dup type /nametype ne
+    { dup length 5 sub 5 exch getinterval exec }
+    { pop }
+   ifelse dup 4 1 roll put
+% If the character is defined with seac, load its components now.
+   mark exch seac_C
+   counttomark
+    { StandardEncoding exch get dup CharStrings exch get
+      dup type /integertype eq { load_C } { pop pop } ifelse
+    } repeat
+   pop		% the mark
+ } bind def
+
+/seac_C		% <charstring> seac_C <achar> <bchar> ..or nothing..
+ { dup length _Cstring length le
+    { 4330 exch _Cstring .type1decrypt exch pop
+      dup dup length 2 sub 2 getinterval <0c06> eq	% seac
+       { dup length
+         Private /lenIV known { Private /lenIV get } { 4 } ifelse
+	 exch 1 index sub getinterval
+% Parse the string just enough to extract the seac information.
+% We assume that the only possible operators are hsbw, sbw, and seac,
+% and that there are no 5-byte numbers.
+	 mark 0 3 -1 roll
+	  { exch
+	     { { dup 32 lt
+	          { pop 0 }
+		  { dup 247 lt
+		     { 139 sub 0 }
+		     { dup 251 lt
+			{ 247 sub 256 mul 108 add 1 1 }
+			{ 251 sub -256 mul -108 add -1 1 }
+		       ifelse
+		     }
+		    ifelse
+		  }
+		 ifelse
+	       }			% 0
+	       { mul add 0 }		% 1
+	     }
+	    exch get exec
+	  }
+	 forall pop
+	 counttomark 1 add 2 roll cleartomark	% pop all but achar bchar
+       }
+       { pop	% not seac
+       }
+      ifelse
+    }
+    { pop	% punt
+    }
+   ifelse
+ } bind def
+
+% Define replacement procedures for loading fonts.
+% If DISKFONTS is true and the body of the font is not encrypted with eexec:
+%    - Prevent the CharStrings from being made read-only.
+%    - Substitute a different CharString-reading procedure.
+% (eexec disables this because the implicit 'systemdict begin' hides
+% the redefinitions that make the scheme work.)
+% We assume that:
+%    - The magic procedures (-|, -!, |-, and |) are defined with
+%	executeonly or readonly;
+%    - The contents of the reading procedures are as defined in bdftops.ps;
+%    - The font includes the code
+%	<font> /CharStrings <CharStrings> readonly put
+/.loadfontdict 6 dict def mark
+ /begin			% push this dict after systemdict
+  { dup begin
+    //systemdict eq { //.loadfontdict begin } if
+  } bind
+ /end			% match begin
+  { currentdict end
+    //.loadfontdict eq currentdict //systemdict eq and { end } if
+  } bind
+ /dict			% leave room for FontFile, BuildChar, BuildGlyph
+  { 3 add dict
+  } bind
+ /executeonly		% for reading procedures
+  { readonly
+  }
+ /noaccess		% for Subrs strings and Private dictionary
+  { readonly
+  }
+ /readonly		% for procedures and CharStrings dictionary
+  {	% We want to take the following non-standard actions here:
+  	%   - If the operand is the CharStrings dictionary, do nothing;
+	%   - If the operand is a number (a file position replacing the
+	%	actual CharString), do nothing;
+	%   - If the operand is either of the reading procedures (-| or -!),
+	%	substitute a different one.
+    dup type /dicttype eq		% CharStrings or Private
+    count 2 gt and
+     { 1 index /CharStrings ne { readonly } if }
+     { dup type /arraytype eq		% procedure or data array
+	{ dup length 5 ge 1 index xcheck and
+	   { dup 0 get /string eq
+	     1 index 1 get /currentfile eq and
+	     1 index 2 get /exch eq and
+	     1 index 3 get dup /readstring eq exch /readhexstring eq or and
+	     1 index 4 get /pop eq and
+	      { /cskip_C cvx 2 packedarray cvx
+	      }
+	      { readonly
+	      }
+	     ifelse
+	   }
+	   { readonly
+	   }
+	  ifelse
+	}
+	{ dup type /stringtype eq	% must be a Subr string
+	   { readonly }
+	  if
+	}
+       ifelse
+     }
+    ifelse
+  } bind
+ /definefont		% to insert BuildChar/Glyph and change FontType
+  { dup /FontType get 1 eq
+     { dup /FontType 4 put
+       dup /BuildChar /build_C load put
+       dup /BuildGlyph /build_C load put
+     }
+    if definefont
+  } bind
+counttomark 2 idiv { .loadfontdict 3 1 roll put } repeat pop
+.loadfontdict readonly pop
+
+% Define the BuildChar and BuildGlyph procedures for modified fonts.
+% A single procedure serves for both.
+/build_C		% <font> <code|name> build_C -
+ { 1 index begin
+   dup dup type /integertype eq { Encoding exch get } if
+		% Stack: font code|name name
+   dup CharStrings exch .knownget not
+    { 2 copy eq { exch pop /.notdef exch } if
+      QUIET not
+       { (Substituting .notdef for ) print = flush }
+       { pop }
+      ifelse
+      /.notdef CharStrings /.notdef get
+    } if
+		% Stack: font code|name name charstring   
+   dup type /integertype eq
+    { load_C end build_C }
+    { end .type1execchar }
+   ifelse
+ } bind def
diff --git a/pstoraster/gs_dpnxt.ps b/pstoraster/gs_dpnxt.ps
new file mode 100644
index 000000000..2d2573ff7
--- /dev/null
+++ b/pstoraster/gs_dpnxt.ps
@@ -0,0 +1,120 @@
+%    Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_dpnxt.ps 956 2000-03-08 23:15:43Z mike $
+% gs_dpnxt.ps
+% NeXT Display PostScript extensions
+
+% Define the operation values for compositing.  These must match the values
+% in gsdpnext.h, which also are the ones from the NeXT documentation.
+% We put them in systemdict, which seems like as good a place as any.
+mark
+  /Clear /Copy /Sover /Sin /Sout /Satop /Dover /Din /Dout /Datop /Xor
+  /PlusD /PlusL /Highlight	% not sure about Highlight
+counttomark { counttomark 1 sub def } repeat pop
+
+% We implement readimage and sizeimage using the following 3 otherwise
+% undocumented lower-level operators:
+%
+%	<x> <y> <width> <height> <matrix> .sizeimagebox
+%	  <dev_x> <dev_y> <dev_width> <dev_height> <matrix>
+%
+%	- .sizeimageparams <bits/sample> <multiproc> <ncolors>
+%
+%	<device> <x> <y> <width> <max_height> <alpha?> <std_depth|null>
+%	  <string> .getbitsrect <height> <substring>
+%
+% NOTE: These operators are subject to change without notice!
+
+% Implement readimage using .getbitsrect.  Experimentation on a NeXT system
+% shows that the data is always returned in order of increasing device Y,
+% regardless of the CTM.
+%
+% Note that we can't make stack protection work for this operator,
+% because it must remove its operands from the stack before calling
+% the supplied procedure(s).
+
+/readimage {		% <x> <y> <width> <height> <proc> [... <procN-1>]
+			%   <string> <alpha?> readimage -
+  .sizeimageparams exch {
+	% multiproc = true.  If N > 1, store the procedures in an array.
+    exch pop 1 index { 1 add } if
+	% Stack: ... string alpha? nprocs
+    dup 1 eq {
+      pop false		% only 1 procedure, multiproc is irrelevant
+    } {
+      dup array 4 1 roll 3 add 2 roll astore 3 1 roll true
+    } ifelse
+  } {
+	% multiproc = false.
+    pop pop false
+  } ifelse
+	% Map the rectangle to device coordinates.
+	% Stack: x y w h proc(s) str alpha? multi?
+  8 -4 roll matrix .sizeimagebox pop 8 4 roll
+	% Make sure we allocate the operand array in local VM
+	% to avoid a possible invalidaccess.
+  .currentglobal false .setglobal 9 1 roll
+  exch { 1 } { 0 } ifelse exch		% alpha is last, if present
+  exch 4 1 roll 8 array astore exch .setglobal
+  {	% Read out a block of scan lines and pass them to the procedure.
+	% Stack: [x y w h alpha? proc(s) str multi?] -- we must consume this.
+    dup 3 get 0 eq { pop exit } if
+    aload 9 1 roll pop exch pop currentdevice 7 1 roll
+	% Always read out the data as standard (not native) pixels.
+    .sizeimageparams pop pop exch .getbitsrect
+	% Stack: [x y w h alpha? proc(s) str multi?] hread substr
+    3 -1 roll
+	% Stack: hread substr [x y w h alpha? proc(s) str multi?]
+    dup 1 2 copy get 5 index add put
+	% Stack: hread substr [x y' w h alpha? proc(s) str multi?]
+    dup 3 2 copy get 6 -1 roll sub put
+	% Stack: substr [x y' w h' alpha? proc(s) str multi?]
+    dup 5 get exch 7 get {
+	% multiproc = true, pass each plane to a different procedure.
+	% Stack: substr procs
+      0 1 2 index length 1 sub {
+	% Push 1 plane and its procedure under the top 2 elements.
+	% Stack: ... substr procs plane#
+	2 index length 2 index length idiv	% bytes per plane
+	dup 2 index mul exch
+	% Stack: ... substr procs plane# start length
+	4 index 3 1 roll getinterval 4 1 roll
+	2 copy get 4 1 roll pop
+      } for
+      exch pop length 2 mul .execn
+    } {
+	% multiproc = false, just call the procedure.
+      exec
+    } ifelse
+  } //systemdict /exec get 3 packedarray cvx loop
+} bind odef
+
+% Implement sizeimage using lower-level operators.
+
+/sizeimage {		% <x> <y> <width> <height> <matrix> sizeimage
+			%   <devwidth> <devheight> <bits/sample> <matrix>
+			%   <multiproc> <ncolors>
+  .sizeimagebox 5 -2 roll pop pop
+  .sizeimageparams 3 -1 roll 4 1 roll
+} bind odef
diff --git a/pstoraster/gs_dps.ps b/pstoraster/gs_dps.ps
new file mode 100644
index 000000000..354d8155b
--- /dev/null
+++ b/pstoraster/gs_dps.ps
@@ -0,0 +1,205 @@
+%    Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_dps.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for Display PostScript functions.
+
+% ------ Contexts ------ %
+
+% To create a context with private local VM, we use the .localfork
+% operator to actually create the context, the new VM, and an empty
+% userdict, and then we call the .initlocaldicts procedure to make
+% local copies of the initial contents of the dictionaries in local VM.
+% savedlocaldicts in systemdict is a global read-only dictionary whose
+% elements are global read-only copies of these initial contents;
+% we just copy its elements into local VM and install them in systemdict.
+% userdict and internaldict require special handling.
+
+% Switching between contexts with different local VMs requires
+% changing the bindings in systemdict that reference local objects.
+% For this purpose, each userdict has an entry called localdicts
+% which holds the local copies of the elements of savedlocaldicts,
+% plus internaldict.  The context switching code in the interpreter
+% effectively copies this dictionary into systemdict.
+% NOTE: the name localdicts is known to the interpreter.
+
+% Switching between contexts also requires resetting the user parameters.
+% The interpreter records the value of userparams (a local dictionary
+% referenced from systemdict) for each context, and uses it for this.
+% See gs_lev2.ps for more details.
+% NOTE: the name userparams is known to the interpreter.
+
+% Save copies of local dictionaries at the end of system initialization.
+% Also save the initial gstate.
+/.savelocalstate {
+  .currentglobal true .setglobal
+  //systemdict /savedlocaldicts mark //systemdict {
+    dup gcheck {
+      pop pop
+    } {
+      dup type /dicttype eq {
+		% Save a copy of this dictionary in global VM.
+	dup maxlength dict .copydict readonly
+      } {
+	pop pop
+      } ifelse
+    } ifelse
+  } forall .dicttomark readonly .forceput	% systemdict is read-only
+		% Create localdicts for the current context.
+  false .setglobal
+  userdict /localdicts mark savedlocaldicts {
+    pop dup load
+  } forall /internaldict dup load
+  .dicttomark readonly put
+		% Save a copy of the initial gstate.
+  true .setglobal
+  //systemdict /savedinitialgstate gstate readonly put
+  .setglobal
+} .bind def
+
+% Initialize local dictionaries and gstate when creating a new context.
+% Note that until this completes, we are in the anomalous situation of
+% having systemdict point to dictionaries that are in a non-current
+% local VM.  Because of this, we turn off garbage collection temporarily.
+/.copylocal {		% <name> <dict> .copylocal <name> <dict'>
+		% Copy a dictionary to the current (local) VM,
+		% and make it read-only if its current definition is.
+  dup maxlength dict .copydict
+  1 index load wcheck not { readonly } if
+} .bind def
+% When this is called, the dictionary stack is in its initial state,
+% and there is (anomalously) only one gstate on the gstate stack.
+/.initlocaldicts {		% - .initlocaldicts -
+  -2 vmreclaim
+  .currentglobal //systemdict begin
+  false .setglobal
+		% Since localdicts doesn't exist yet, references from
+		% systemdict to local objects won't get restored if
+		% a context switch happens in this code.  Therefore,
+		% until localdicts is defined, we have to keep all our
+		% state on the operand stack.
+
+		% Acquire userdict.
+		%****** WRONG IF NON-STANDARD INITIAL DSTACK ******
+  countdictstack array dictstack
+   { dup gcheck not { exit } if pop } forall
+		% Create localdicts with a local copy of each dictionary,
+		% except for userdict and userparams, which just need
+		% to be filled in.
+  mark savedlocaldicts {
+    1 index /userdict eq {
+		% Stack: userdict mark ... /userdict inituserdict
+      counttomark 1 add index exch .copydict
+    } {
+      1 index /userparams eq {
+		% Stack: userparams mark ... /userparams inituserparams
+	userparams .copydict
+      } {
+	.copylocal
+      } ifelse
+    } ifelse
+  } forall /internaldict dup .makeinternaldict .makeoperator
+  .dicttomark readonly /localdicts exch put
+		% localdicts is now defined in userdict.
+		% Copy the definitions into systemdict.
+  localdicts { .forcedef } forall
+		% Set the user parameters.
+  userparams readonly .setuserparams
+		% Establish the initial gstate(s).
+  /savedinitialgstate .systemvar setgstate gsave
+		% Wrap up.
+  end .setglobal
+} odef
+
+% Create a context with private local VM.
+% The .localfork operator does all the work, but we must ensure that
+% .initlocaldicts gets called when the new context starts up.
+/localfork {			% <mark> <obj1> ... <objN> <proc>
+				%   <stdin|null> <stdout|null>
+				%   localfork <context>
+  .currentglobal true .setglobal 3 index
+  dup dup xcheck
+  exch type dup /arraytype eq exch /packedarraytype eq or and not {
+    pop .setglobal /localfork cvx /typecheck signalerror
+  } if
+  {exec .initlocaldicts} aload pop
+  3 1 roll 3 packedarray cvx
+  4 1 roll 5 -1 roll pop .setglobal .localfork
+} odef
+
+% Fork a context that shares VM.  We still need to fill in userparams
+% when the new context starts up.
+/.postfork {		% - .postfork -
+	% Initialize the user parameters.
+  savedlocaldicts /userparams get userparams .copydict readonly pop
+} odef
+/fork {			% <mark> <obj1> ... <objN> <proc> fork <context>
+  .currentglobal false .setglobal 1 index
+  dup dup xcheck
+  exch type dup /arraytype eq exch /packedarraytype eq or and not {
+    pop .setglobal /fork cvx /typecheck signalerror
+  } if
+  {exec .postfork} aload pop
+  3 1 roll 3 packedarray cvx
+  3 1 roll exch pop .setglobal .fork
+} odef
+
+% ------ Halftone phase ------ %
+
+/sethalftonephase {		% <x> <y> sethalftonephase -
+  -1 2 index 2 index .setscreenphase pop pop
+} odef
+/currenthalftonephase {		% - currenthalftonephase <x> <y>
+  0 .currentscreenphase
+} odef
+
+% ------ Device-source images ------ */
+
+.imagetypes 2 /.image2 load put
+
+% ------ Device information ------ %
+
+/.deviceinfodict mark
+  /Colors null /GrayValues null /RedValues null /GreenValues null
+  /BlueValues null /ColorValues null
+.dicttomark readonly def
+/deviceinfo {			% - deviceinfo <dict>
+  currentdevice //.deviceinfodict .getdeviceparams .dicttomark readonly
+} odef
+
+% The current implementation allocates a 2-element array each time.
+% Perhaps we should change this to 2 separate parameters for X and Y?
+/.wtdict mark
+  /wtranslation null
+.dicttomark readonly def
+/wtranslation {			% - wtranslation <x> <y>
+  currentdevice //.wtdict .getdeviceparams exch pop exch pop aload pop
+} odef
+currentdict /.wtdict .undef
+
+% ------ View clipping ------ %
+
+/rectviewclip {			% <x> <y> <width> <height> rectviewclip -
+				% <numarray|numstring> rectviewclip -
+  newpath .rectappend viewclip
+} odef
diff --git a/pstoraster/gs_dps1.ps b/pstoraster/gs_dps1.ps
new file mode 100644
index 000000000..f343b571a
--- /dev/null
+++ b/pstoraster/gs_dps1.ps
@@ -0,0 +1,147 @@
+%    Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_dps1.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for most of the Display PostScript functions
+% that are also included in Level 2.
+
+level2dict begin
+
+% ------ Virtual memory ------ %
+
+/currentshared /.currentglobal load def
+/scheck /.gcheck load def
+%****** FOLLOWING IS WRONG ******
+/shareddict currentdict /globaldict .knownget not { 20 dict } if def
+
+% Global and LocalFontDirectory must remain in systemdict
+% even if we temporarily exit Level 2 mode.
+
+end				% level2dict
+systemdict begin
+
+/SharedFontDirectory .FontDirectory .gcheck
+ { .currentglobal false .setglobal
+   /LocalFontDirectory .FontDirectory dup maxlength dict copy
+   .forcedef	% LocalFontDirectory is local, systemdict is global
+   .setglobal .FontDirectory
+ }
+ { /LocalFontDirectory .FontDirectory
+   .forcedef	% LocalFontDirectory is local, systemdict is global
+   50 dict
+ }
+ifelse def
+
+end				% systemdict
+level2dict begin
+
+% setshared must rebind FontDirectory to the appropriate one of
+% Local or SharedFontDirectory.
+
+/.setglobal		% <bool> .setglobal -
+ { dup .setglobal
+   //systemdict /FontDirectory .currentglobal
+    { //SharedFontDirectory }
+    { /LocalFontDirectory .systemvar }	% can't embed ref to local VM
+   ifelse .forceput pop	% LocalFontDirectory is local, systemdict is global
+ } .bind odef		% must bind .forceput and .setglobal
+			% even if NOBIND in effect
+/setshared /.setglobal load def
+.currentglobal setshared
+
+% See below for changes in save and restore.
+
+% ------ Fonts ------ %
+
+/selectfont		% <fontname> <size> selectfont -
+ { 1 index findfont
+   1 index dup type /arraytype eq { makefont } { scalefont } ifelse
+   setfont pop pop
+ } odef
+% undefinefont has to take local/global VM into account.
+/undefinefont		% <fontname> undefinefont -
+ { .FontDirectory 1 index .undef
+   .currentglobal
+    {		% Current mode is global; delete from local directory too.
+      //systemdict /LocalFontDirectory .knownget
+       { 1 index .undef }
+      if
+    }
+    {		% Current mode is local; if there was a shadowed global
+		% definition, copy it into the local directory.
+      //systemdict /SharedFontDirectory .knownget
+       { 1 index .knownget
+	  { .FontDirectory 2 index 3 -1 roll put }
+	 if
+       }
+      if
+    }
+   ifelse pop
+ } odef
+
+% If we load a font into global VM within an inner save, the restore
+% will delete it from FontDirectory but not from SharedFontDirectory.
+% We have to handle this by making restore copy missing entries from
+% SharedFontDirectory to FontDirectory.  Since this could slow down restore
+% considerably, we define a new operator .dictcopynew for this purpose.
+% Furthermore, if FAKEFONTS is in effect, we want global real fonts to
+% override fake local ones.  We handle this by brute force.
+/restore		% <save> restore -
+ { dup //restore	% bind even if NOBIND
+   /LocalFontDirectory .systemvar
+   FAKEFONTS
+    { mark
+		% We want to delete a fake font from the local directory
+		% iff the global directory now has no definition for it,
+		% or a non-fake definition.
+      1 index dup
+       {		% Stack: lfd mark lfd key ... lfd key value
+	 length 1 gt
+	  {		% This is a real local definition; don't do anything.
+	    pop
+	  }
+	  {		% This is a fake local definition, check for global.
+	    //SharedFontDirectory 1 index .knownget
+	     {		% A global definition exists, check for fake.
+	       length 1 eq { pop } { 1 index } ifelse
+	     }
+	     {		% No global definition, delete the local one.
+	       1 index
+	     }
+	    ifelse
+	  }
+	 ifelse
+       } forall
+      pop counttomark 2 idiv { .undef } repeat pop
+    }
+   if
+   //SharedFontDirectory exch .dictcopynew pop
+   .currentglobal .setglobal	% Rebind FontDirectory according to current VM.
+   pop
+ } bind odef
+
+% ------ Miscellaneous ------ %
+
+/undef /.undef load def
+
+end				% level2dict
diff --git a/pstoraster/gs_dps2.ps b/pstoraster/gs_dps2.ps
new file mode 100644
index 000000000..e375505ab
--- /dev/null
+++ b/pstoraster/gs_dps2.ps
@@ -0,0 +1,200 @@
+%    Copyright (C) 1990, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_dps2.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for basic Display PostScript functions
+% that are also included in Level 2.
+
+level2dict begin
+
+% ------ Halftones ------ %
+
+/.makestackdict
+	{ { counttomark -1 roll } forall .dicttomark
+	} bind def
+/currenthalftone		% - currenthalftone <dict>
+	{ mark .currenthalftone
+	   { { exch pop }		% halftone
+	     { /HalftoneType 1		% screen
+		{ /Frequency /Angle /SpotFunction }
+	       .makestackdict
+	     }
+	     { /HalftoneType 2		% colorscreen
+		{ /RedFrequency /RedAngle /RedSpotFunction
+		  /GreenFrequency /GreenAngle /GreenSpotFunction
+		  /BlueFrequency /BlueAngle /BlueSpotFunction
+		  /GrayFrequency /GrayAngle /GraySpotFunction
+		}
+	       .makestackdict
+	     }
+	   }
+	  exch get exec
+	} odef
+% Define sethalftone so it converts all other types to type 5.
+/.sethalftoneRGBV	% <dict> <type> <keys> <keysRGBV>
+	{ 4 -1 roll exch { 1 index exch get exch } forall 15 1 roll
+	  14 -2 roll mark 15 1 roll { /Gray /Blue /Green /Red }
+	   {		% stack: v0 v1 v2 type keys comp
+	     mark
+	     2 index 0 get 8 -1 roll
+	     4 index 1 get 9 -1 roll
+	     6 index 2 get 10 -1 roll
+			% stack: type keys comp mark k0 v0 k1 v1 k2 v2
+	     /HalftoneType 10 index .dicttomark
+	     counttomark 2 roll
+	   }
+	  forall pop pop
+	  /Default 1 index .dicttomark .sethalftone5
+	} bind def
+/sethalftone {		% <dict> sethalftone -
+		% We must create the new dictionary in the same VM as the
+		% operand; otherwise, invalidaccess errors may occur.
+	.currentglobal 1 index dup gcheck .setglobal
+	dup /HalftoneType get 1 sub {
+	      { mark /Default 2 index .dicttomark .sethalftone5
+	      }
+	      { 1 { /Frequency /Angle /SpotFunction }
+		{ /RedFrequency /RedAngle /RedSpotFunction
+		  /GreenFrequency /GreenAngle /GreenSpotFunction
+		  /BlueFrequency /BlueAngle /BlueSpotFunction
+		  /GrayFrequency /GrayAngle /GraySpotFunction
+		} .sethalftoneRGBV
+	      }
+	      { mark /Default 2 index .dicttomark .sethalftone5
+	      }
+	      { 3 { /Width /Height /Thresholds }
+		{ /RedWidth /RedHeight /RedThresholds
+		  /GreenWidth /GreenHeight /GreenThresholds
+		  /BlueWidth /BlueHeight /BlueThresholds
+		  /GrayWidth /GrayHeight /GrayThresholds
+		} .sethalftoneRGBV
+	      }
+	      { dup .sethalftone5
+	      }
+	} exch get exec .setglobal pop
+} odef
+% Redefine setscreen and setcolorscreen to recognize halftone dictionaries,
+% and to insert the Frequency and Angle into Type 1 halftones, per
+% Adobe TN 5085.
+/.fixsethalftonescreen		% <freq> <angle> <dict> .fix...screen
+				%   <freq> <angle> <dict> <dict'>
+ { dup dup /HalftoneType get 1 eq
+    { dup wcheck not { dup length .copydict } if
+      dup /Frequency 5 index put
+      dup /Angle 4 index put
+    }
+   if
+ } bind def
+/setscreen		% <ignore*2> <dict> setscreen -
+	{ dup type /dicttype eq
+	   { .fixsethalftonescreen sethalftone pop pop pop }
+	   { //setscreen }
+	  ifelse
+	} odef
+/setcolorscreen		% <ignore*11> <dict> setcolorscreen -
+	{ dup type /dicttype eq
+	   { .fixsethalftonescreen sethalftone 12 { pop } repeat }
+	   { //setcolorscreen }
+	  ifelse
+	} odef
+% Redefine currentscreen and currentcolorscreen to extract the Frequency
+% and Angle from Type 1 halftones, per Adobe TN 5085.
+/.fixcurrenthalftonescreen	% <dict> .fix... <freq> <angle> <proc>
+ { dup /HalftoneType get 1 eq
+    { dup /Frequency get 1 index /Angle get }
+    { 60 0 }
+   ifelse 3 2 roll
+ } bind def
+/currentscreen		% - currentscreen 60 0 <dict>
+	{ .currenthalftone
+	   { { .fixcurrenthalftonescreen }	% halftone
+	     { }				% screen
+	     { 12 3 roll 9 { pop } repeat	% colorscreen
+	       dup type /dicttype eq { .fixcurrenthalftonescreen } if
+	     }
+	   }
+	  exch get exec
+	} odef
+/currentcolorscreen	% - currentcolorscreen (60 0 <dict>)*4
+	{ .currenthalftone
+	   { { .fixcurrenthalftonescreen 3 copy 6 copy }	% halftone
+	     { 3 copy 6 copy }			% screen
+	     { }				% colorscreen
+	   }
+	  exch get exec
+	} odef
+
+% ------ User objects ------ %
+
+/.localarray where {
+  pop
+} {
+  /.localarray {
+    currentglobal false setglobal
+    exch array exch setglobal
+  } bind def
+} ifelse
+/.UserObjects {
+  .userdict /UserObjects
+} odef
+% In order to get proper error recovery behavior, we need to be careful
+% not to pop any operands from the stack until we're done.
+% The code below faithfully duplicates the apparent array-growing
+% behavior of Adobe interpreters.
+/defineuserobject {		% <index> <value> defineuserobject -
+  .UserObjects .knownget {
+    length dup 3 index le {
+		% Stack: index value len
+      2 index eq { 1 index 2 mul } { 1 index 1 add } ifelse
+      .localarray .UserObjects get
+      1 index copy pop
+      .UserObjects 3 -1 roll put
+    } {
+      pop
+    } ifelse
+  } {
+    .UserObjects 3 index 1 add 10 .max .localarray put
+  } ifelse
+  .UserObjects get 2 index 2 index put pop pop
+} odef
+/execuserobject {		% <index> execuserobject -
+  .UserObjects get 1 index get exch pop exec
+} odef
+/undefineuserobject {		% <index> undefineuserobject -
+  .UserObjects get 1 index null put pop
+} odef
+
+% ------ Cache control ------ %
+
+% Dummy definitions for cache control operators
+
+/ucachestatus {			% - ucachestatus -mark- ? ? ? ? <size>
+	mark 0 0 0 0 .userdict /.ucachesize .knownget not { 0 } if
+} odef
+/setucacheparams {		% -mark- ... <size> setucacheparams -
+		% Provoke an appropriate error if needed.
+	counttomark 1 lt { () 0 get } if
+	0 or .userdict /.ucachesize 2 index 0 .max put cleartomark
+} odef
+
+end				% level2dict
diff --git a/pstoraster/gs_epsf.ps b/pstoraster/gs_epsf.ps
new file mode 100644
index 000000000..fcccb3e33
--- /dev/null
+++ b/pstoraster/gs_epsf.ps
@@ -0,0 +1,67 @@
+%    Copyright (C) 1989, 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_epsf.ps 956 2000-03-08 23:15:43Z mike $
+% Allow the interpreter to recognize MS-DOS EPSF file headers, and skip to
+% the PostScript section of the file.
+
+/.runnoepsf /run load def
+/.epsfheader <C5D0D3C6> def
+/run
+ { dup type /filetype ne { (r) file } if
+		% Check for MS-DOS EPSF file (see Red Book p. 729).
+   true exch 0 1 3
+    {		% Stack: true file index
+      1 index read dup { pop dup .epsfheader 3 index get eq } if
+       { pop pop }	% if matched, don't need the character
+       {	% unread characters (wasn't EPSF)
+	 2 index exch unread     % unread mismatch character
+	 dup {   % loop unreading backwards in .epsfheader
+	   1 sub dup .epsfheader exch get 2 index exch unread
+	 } repeat pop
+	 exch not exch exit	% change true to false
+       }
+      ifelse
+    }
+   for exch	% Stack: file true/false
+    {		% This block is executed if the file is MS-DOS EPSF.
+		% Build up the little-endian byte offset and length.
+      2
+	{ 1 0 4
+	   { 2 index read not { pop exit } if % if EOF, let error happen
+	     2 index mul add exch 256 mul exch
+	   }
+	  repeat exch pop exch
+	}
+      repeat
+		% Stack: offset length file
+		% Use flushfile to skip quickly to the start of the
+		% PostScript section.
+      dup 4 -1 roll 12 sub () /SubFileDecode filter flushfile
+		% Now interpret the PostScript.
+      exch () /SubFileDecode filter cvx .runexec
+    }
+    { .runnoepsf
+    }
+   ifelse
+ } odef
diff --git a/pstoraster/gs_fform.ps b/pstoraster/gs_fform.ps
new file mode 100644
index 000000000..17dfbef74
--- /dev/null
+++ b/pstoraster/gs_fform.ps
@@ -0,0 +1,100 @@
+%    Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_fform.ps 956 2000-03-08 23:15:43Z mike $
+% Form caching implemented in PostScript.
+
+% This implementation doesn't do the right thing about halftone or
+% Pattern phase, but the Pattern cache doesn't either....
+
+% The Form cache key is the Form dictionary; the value is an array
+% of 2 elements [CTM pattern_instance].
+%
+% In order to prevent restore from clearing the cache, we explicitly
+% push the cache entries on the stack before a restore and reinstall them.
+currentglobal false setglobal
+/.formcachedict 20 dict def	% must be local
+true setglobal
+/restore {
+  mark .formcachedict { } forall
+  counttomark 1 add index { restore } .internalstopped
+    { cleartomark restore }
+    { counttomark 2 idiv { .formcachedict 3 1 roll put } repeat pop pop }
+  ifelse
+} bind odef
+
+/.execform1 {
+  dup /Implementation known not {
+    dup /FormType get 1 ne { /rangecheck signalerror } if
+		% The Implementation is a Pattern that will draw the form.
+    currentglobal 1 index gcheck setglobal
+		% Stack: form global
+    10 dict begin
+      /PatternType 1 def
+      /PaintType 1 def	% colored
+      /TilingType 1 def	% irrelevant
+		% Copy the BBox to the correct VM.
+      /BBox 2 index /BBox get 4 array copy exch 1 index def
+		% Set XStep and YStep to very large numbers,
+		% so we won't get multiple copies of the form.
+      /XStep 1 index dup 2 get exch 0 get sub 100 mul def
+      /YStep exch dup 3 get exch 1 get sub 100 mul def
+      /PaintProc 2 index /PaintProc get def
+    currentdict end readonly
+		% Stack: form global impl
+    exch setglobal
+    1 index /Implementation 3 -1 roll .forceput
+  } if
+  .formcachedict 1 index .knownget {
+		% Check whether we can use the cached value.
+		% Stack: form cachevalue
+    matrix currentmatrix true 0 1 3 {
+		% Stack: form cachevalue curmat true index
+      3 index 0 get 1 index get exch 3 index exch get ne {
+	pop pop false exit
+      } if
+    } for exch pop
+  } {
+    false
+  } ifelse not
+  {		% Make a new cache entry.
+    gsave
+    matrix currentmatrix dup 4 0 put dup 5 0 put dup setmatrix
+		% Stack: form mat
+    1 index /Implementation get
+    2 index /Matrix get
+    makepattern 2 array astore
+    .formcachedict 2 index 2 index put
+    grestore
+  } if
+		% Stack: form cachevalue
+  -1 0 0 transform
+  2 { exch round cvi } repeat .setscreenphase
+  1 get setpattern
+  /BBox get aload pop
+  exch 3 index sub exch 2 index sub rectfill
+} .bind odef	% must bind .forceput
+
+.formtypes 1 /.execform1 load put
+
+setglobal
diff --git a/pstoraster/gs_fonts.ps b/pstoraster/gs_fonts.ps
new file mode 100644
index 000000000..99db47217
--- /dev/null
+++ b/pstoraster/gs_fonts.ps
@@ -0,0 +1,934 @@
+%    Copyright (C) 1990, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_fonts.ps 1686 2001-04-23 19:52:31Z mike $
+% Font initialization and management code.
+
+% Define the default font.
+/defaultfontname /Courier def
+
+% Define the name of the font map file.
+/defaultfontmap (Fontmap) def
+
+% ------ End of editable parameters ------ %
+
+% If SUBSTFONT is defined, make it the default font.
+/SUBSTFONT where { pop /defaultfontname /SUBSTFONT load def } if
+
+% Define a reliable way of accessing FontDirectory in systemdict.
+/.FontDirectory
+{ /FontDirectory .systemvar
+} .bind odef
+
+% If DISKFONTS is true, we load individual CharStrings as they are needed.
+% (This is intended primarily for machines with very small memories.)
+% In this case, we define another dictionary, parallel to FontDirectory,
+% that retains an open file for every font loaded.
+/FontFileDirectory 10 dict def
+
+% Define a temporary string for local use, since using =string
+% interferes with some PostScript programs.
+/.fonttempstring 128 string def
+
+% Split up a search path into individual directories or files.
+/.pathlist		% <path> .pathlist <dir1|file1> ...
+ {  { dup length 0 eq { pop exit } if
+      .filenamelistseparator search not { exit } if
+      exch pop exch
+    }
+   loop
+ } bind def
+
+% Load a font name -> font file name map.
+userdict /Fontmap .FontDirectory maxlength dict put
+/.loadFontmap		% <file> .loadFontmap -
+ {		% We would like to simply execute .definefontmap as we read,
+		% but we have to maintain backward compatibility with an older
+		% specification that makes later entries override earlier.
+   50 dict exch
+    { dup token not { closefile exit } if
+		% stack: <file> fontname
+      % This is a hack to get around the absurd habit of MS-DOS editors
+      % of adding an EOF character at the end of the file.
+      dup (\032) eq { pop closefile exit } if
+      1 index token not
+       { (Fontmap entry for ) print dup =only
+	 ( has no associated file or alias name!  Giving up.\n) print flush
+	 {.loadFontmap} 0 get 1 .quit
+       } if
+      dup type dup /stringtype eq exch /nametype eq or not
+       { (Fontmap entry for ) print 1 index =only
+	 ( has an invalid file or alias name!  Giving up.\n) print flush
+	 {.loadFontmap} 0 get 1 .quit
+       } if
+		% stack: dict file fontname filename|aliasname
+		% Read and pop tokens until a semicolon.
+       { 2 index token not
+	  { (Fontmap entry for ) print 1 index =only
+	    ( ends prematurely!  Giving up.\n) print flush
+	    {.loadFontmap} 0 get 1 .quit
+	  } if
+	 dup /; eq { pop 3 index 3 1 roll .growput exit } if
+	 pop
+       } loop
+    } loop
+    { .definefontmap } forall
+ } bind def
+% Add an entry in Fontmap.  We redefine this if the Level 2
+% resource machinery is loaded.
+/.definefontmap			% <fontname> <file|alias> .definefontmap -
+ {		% Since Fontmap is global, make sure the values are storable.
+   .currentglobal 3 1 roll true .setglobal
+   dup type /stringtype eq
+    { dup .gcheck not { dup length string copy } if
+    }
+   if
+   Fontmap 3 -1 roll 2 copy .knownget
+    {		% Add an element to the end of the existing value,
+		% unless it's the same as the current last element.
+      mark exch aload pop counttomark 4 add -1 roll
+      2 copy eq { cleartomark pop pop } { ] readonly .growput } ifelse
+    }
+    {		% Make a new entry.
+      mark 4 -1 roll ] readonly .growput
+    }
+   ifelse .setglobal
+ } bind def
+
+% Parse a font file just enough to find the FontName or FontType.
+/.findfontvalue		% <file> <key> .findfontvalue <value> true
+			% <file> <key> .findfontvalue false
+			% Closes the file in either case.
+ { exch dup read not { -1 } if
+   2 copy unread 16#80 eq
+    { dup (xxxxxx) readstring pop pop }		% skip .PFB header
+   if
+		% Stack: key file
+    { dup token not { false exit } if		% end of file
+      dup /eexec eq { pop false exit } if	% reached eexec section
+      dup /Subrs eq { pop false exit } if	% Subrs without eexec
+      dup /CharStrings eq { pop false exit } if	% CharStrings without eexec
+      dup 3 index eq
+       { xcheck not { dup token exit } if }	% found key
+       { pop }
+      ifelse
+    } loop
+		% Stack: key file value true   (or)
+		% Stack: key file false
+   dup { 4 } { 3 } ifelse -2 roll closefile pop
+ } bind def
+/.findfontname
+ { /FontName .findfontvalue
+ } bind def
+
+% If there is no FONTPATH, try to get one from the environment.
+NOFONTPATH { /FONTPATH () def } if
+/FONTPATH where
+ { pop }
+ { /FONTPATH (GS_FONTPATH) getenv not { () } if def }
+ifelse
+FONTPATH length 0 eq { (%END FONTPATH) .skipeof } if
+/FONTPATH [ FONTPATH .pathlist ] def
+
+% Scan directories looking for plausible fonts.  "Plausible" means that
+% the file begins with %!PS-AdobeFont or %!FontType1, or with \200\001
+% followed by four arbitrary bytes and then either of these strings.
+% To speed up the search, we skip any file whose name appears in
+% the Fontmap (with any extension and upper/lower case variation) already,
+% and any file whose extension definitely indicates it is not a font.
+%
+% NOTE: The current implementation of this procedure is somewhat Unix/DOS-
+% specific.  It assumes that '/' and '\' are directory separators, and that
+% the part of a file name following the last '.' is the extension.
+%
+/.lowerstring		% <string> .lowerstring <lowerstring>
+ { 0 1 2 index length 1 sub
+    { 2 copy get dup 65 ge exch 90 le and
+       { 2 copy 2 copy get 32 add put }
+     if pop
+    }
+   for
+ } bind def
+/.splitfilename		% <dir.../base.extn> .basename <base> <extn>
+ {  { (/) search { true } { (\\) search } ifelse
+       { pop pop }
+       { exit }
+      ifelse
+    }
+   loop
+   dup { (.) search { pop pop } { exit } ifelse } loop
+   2 copy eq
+    { pop () }
+    { exch dup length 2 index length 1 add sub 0 exch getinterval exch }
+   ifelse
+% Following is debugging code.
+%   (*** Split => ) print 2 copy exch ==only ( ) print ==only
+%   ( ***\n) print flush
+ } bind def
+/.scanfontdict 1 dict def		% establish a binding
+/.scanfontbegin
+ {	% Construct the table of all file names already in Fontmap.
+   currentglobal true setglobal
+   .scanfontdict dup maxlength Fontmap length 2 add .max .setmaxlength
+   Fontmap
+    { exch pop
+       { dup type /stringtype eq
+	  { .splitfilename pop .fonttempstring copy .lowerstring cvn
+	    .scanfontdict exch true put
+	  }
+	  { pop
+	  }
+	 ifelse
+       }
+      forall
+    }
+   forall
+   setglobal
+ } bind def
+/.scanfontskip mark
+		% Strings are converted to names anyway, so....
+  /afm true
+  /bat true
+  /c true
+  /cmd true
+  /com true
+  /dir true
+  /dll true
+  /doc true
+  /drv true
+  /exe true
+  /fon true
+  /fot true
+  /h true
+  /o true
+  /obj true
+  /pfm true
+  /pss true		% Adobe Multiple Master font instances
+  /txt true
+.dicttomark def
+/.scan1fontstring 128 string def
+/.scanfontheaders [(%!PS-Adobe*) (%!FontType*)] def
+0 .scanfontheaders { length max } forall 6 add	% extra for PFB header
+/.scan1fontfirst exch string def
+/.scanfontdir		% <dirname> .scanfontdir -
+ { currentglobal exch true setglobal
+   QUIET not { (Scanning ) print dup print ( for fonts...) print flush } if
+   (*) 2 copy .filenamedirseparator
+   dup (\\) eq { pop (\\\\) } if	% double \ for pattern match
+   exch concatstrings concatstrings
+   0 0 0 4 -1 roll	% found scanned files
+    {		% stack: <fontcount> <scancount> <filecount> <filename>
+      exch 1 add exch                   % increment filecount
+      dup .splitfilename .lowerstring
+		% stack: <fontcount> <scancount> <filecount+1> <filename>
+		%	<BASE> <ext>
+      .scanfontskip exch known exch .scanfontdict exch known or
+       { pop
+		% stack: <fontcount> <scancount> <filecount+1>
+       }
+       { 3 -1 roll 1 add 3 1 roll
+		% stack: <fontcount> <scancount+1> <filecount+1> <filename>
+	 dup (r) { file } .internalstopped
+	  { pop pop null ()
+		% stack: <fontcount> <scancount+1> <filecount+1> <filename>
+		%	null ()
+	  }
+	  {
+		% On some platforms, the file operator will open directories,
+		% but an error will occur if we try to read from one.
+		% Handle this possibility here.
+	    dup .scan1fontfirst { readstring } .internalstopped
+	     { pop pop () }
+	     { pop }
+	    ifelse
+		% stack: <fontcount> <scancount+1> <filecount+1>
+		%	<filename> <file> <header>
+	  }
+	 ifelse
+		% Check for PFB file header.
+	 dup (\200\001????*) .stringmatch
+	  { dup length 6 sub 6 exch getinterval }
+	 if
+		% Check for font file headers.
+	 false .scanfontheaders
+	  { 2 index exch .stringmatch or
+	  }
+	 forall exch pop
+	  {	% stack: <fontcount> <scancount+1> <filecount+1> <filename>
+		%	<file>
+	    dup 0 setfileposition .findfontname
+	     { dup Fontmap exch known
+		{ pop pop
+		}
+		{ exch copystring exch
+		  DEBUG { dup =only (\n) print flush } if
+		  1 index .definefontmap
+		  .splitfilename pop true .scanfontdict 3 1 roll .growput
+			% Increment fontcount.
+		  3 -1 roll 1 add 3 1 roll
+		}
+	       ifelse
+	     }
+	     { pop
+	     }
+	    ifelse
+	  }
+		% .findfontname will have done a closefile in the above case.
+	  { dup null eq { pop } { closefile } ifelse pop
+	  }
+	 ifelse
+       }
+      ifelse
+    }
+   .scan1fontstring filenameforall
+   QUIET
+    { pop pop pop }
+    { ( ) print =only ( files, ) print =only ( scanned, ) print
+      =only ( new fonts.\n) print flush
+    }
+   ifelse
+   setglobal
+ } bind def
+
+%END FONTPATH
+
+% Create the dictionary that registers the .buildfont procedure (called by
+% definefont) for each FontType.
+/buildfontdict 20 dict def
+
+% Register Type 3 fonts, which are always supported, for definefont.
+buildfontdict 3 /.buildfont3 cvx put
+
+% Register Type 0 fonts if they are supported.  Strictly speaking,
+% we should do this in its own file (gs_type0.ps), but since this is
+% the only thing that would be in that file, it's simpler to put it here.
+/.buildfont0 where { pop buildfontdict 0 /.buildfont0 cvx put } if
+
+% Define definefont.  This is a procedure built on a set of operators
+% that do all the error checking and key insertion.
+/.growfontdict
+ {	% Grow the font dictionary, if necessary, to ensure room for an
+	% added entry, making sure there is at least one slot left for FID.
+   dup maxlength 1 index length sub 2 lt
+    { dup dup wcheck
+       { .growdict }
+       { .growdictlength dict .copydict }
+      ifelse
+    }
+    { dup wcheck not { dup maxlength dict .copydict } if
+    }
+   ifelse
+ } bind def 
+/.completefont {
+  {		% Check for disabled platform fonts.
+      NOPLATFONTS
+       {	% Make sure we leave room for FID.
+	 .growfontdict dup /ExactSize 0 put
+       }
+       {	% Hack: if the Encoding looks like it might be the
+		% Symbol or Dingbats encoding, load those now (for the
+		% benefit of platform font matching) just in case
+		% the font didn't actually reference them.
+		% Note that some types of font don't have an Encoding.
+	 dup /Encoding .knownget {
+	   dup length 65 ge {
+	     64 get
+	     dup /congruent eq { SymbolEncoding pop } if
+	     /a9 eq { DingbatsEncoding pop } if
+	   } {
+	     pop
+	   } ifelse
+	 } if
+       }
+      ifelse
+      true exch
+      dup /FontType known not {
+	% This might be a CIDFont.
+	dup /CIDFontType known {
+	  /.buildcidfont where {
+	    pop exch pop false exch
+	  } if
+	} if
+      } if
+      exch {
+	dup /FontType get //buildfontdict exch get exec
+      } {
+	.buildcidfont
+      } ifelse
+
+      DISKFONTS
+       { FontFileDirectory 2 index known
+	  { dup /FontFile FontFileDirectory 4 index get .growput
+	  }
+	 if
+       }
+      if
+      readonly		% stack: name fontdict
+  } stopped { /invalidfont signalerror } if
+} bind odef
+/definefont
+ { .completefont
+		% If the current allocation mode is global, also enter
+		% the font in LocalFontDirectory.
+   .currentglobal
+    { //systemdict /LocalFontDirectory .knownget
+       { 2 index 2 index .growput }
+      if
+    }
+   if
+   dup .FontDirectory 4 -2 roll .growput
+ } odef
+
+% Define a procedure for defining aliased fonts.
+% We use this only for explicitly aliased fonts, not substituted fonts:
+% we think this matches the observed behavior of Adobe interpreters.
+/.aliasfont		% <name> <font> .aliasfont <newFont>
+ { .currentglobal 3 1 roll dup .gcheck .setglobal
+   dup length 2 add dict
+   dup 3 -1 roll { 1 index /FID eq { pop pop } { put dup } ifelse } forall
+		% Stack: global fontname newfont newfont.
+		% We might be defining a global font whose FontName
+		% is a local string.  This is weird, but legal,
+		% and doesn't cause problems anywhere else:
+		% to avoid any possible problems in this case, do a cvn.
+		% We might also be defining (as an alias) a global font
+		% whose FontName is a local non-string, if someone passed a
+		% garbage value to findfont.  In this case, just don't
+		% call definefont at all.
+   2 index dup type /stringtype eq exch .gcheck or 1 index .gcheck not or
+    { /FontName 3 index dup type /stringtype eq { cvn } if put
+		% Don't bind in definefont, since Level 2 redefines it.
+      /definefont .systemvar exec
+    }
+    { .completefont pop exch pop
+    }
+   ifelse exch .setglobal
+ } odef		% so findfont will bind it
+
+% Define .loadfontfile for loading a font.  If we recognize Type 1 and/or
+% TrueType fonts, gs_type1.ps and/or gs_ttf.ps will redefine this.
+/.loadfontfile {
+		% According to Ed Taft, Adobe interpreters push userdict
+		% before loading a font, and pop it afterwards.
+  userdict begin
+    cvx exec
+  end
+} bind def
+/.loadfont
+ {		% Some buggy fonts leave extra junk on the stack,
+		% so we have to make a closure that records the stack depth
+		% in a fail-safe way.
+   /.loadfontfile cvx count 1 sub 2 packedarray cvx exec
+   count exch sub { pop } repeat
+ } bind def
+
+% Find an alternate font to substitute for an unknown one.
+% We go to some trouble to parse the font name and extract
+% properties from it.  Later entries take priority over earlier.
+/.substitutefaces [
+	% Guess at suitable substitutions for random unknown fonts.
+  [(Grot) /Times]
+  [(Roman) /Times]
+  [(Book) /NewCenturySchlbk]
+	% If the family name appears in the font name,
+	% use a font from that family.
+  [(Arial) /Helvetica]
+  [(Avant) /AvantGarde]
+  [(Bookman) /Bookman]
+  [(Century) /NewCenturySchlbk]
+  [(Cour) /Courier]
+  [(Frut) /Helvetica]
+  [(Geneva) /Helvetica]
+  [(Helv) /Helvetica]
+  [(NewYork) /Times]
+  [(Pala) /Palatino]
+  [(Sans) /Helvetica]
+  [(Schlbk) /NewCenturySchlbk]
+  [(Serif) /Times]
+  [(Swiss) /Helvetica]
+  [(Times) /Times]
+  [(Univers) /Helvetica]
+	% Substitute for Adobe Multiple Master fonts.
+  [(Minion) /Times]
+  [(Myriad) /Helvetica]
+  [(MyriadPkg) /Helvetica-Narrow]
+	% Condensed or narrow fonts map to the only narrow family we have.
+  [(Cond) /Helvetica-Narrow]
+  [(Narrow) /Helvetica-Narrow]
+	% If the font wants to be monospace, use Courier.
+  [(Monospace) /Courier]
+  [(Typewriter) /Courier]
+] readonly def
+/.substituteproperties [
+  [(It) 1] [(Oblique) 1]
+  [(Bd) 2] [(Bold) 2] [(bold) 2] [(Demi) 2] [(Heavy) 2] [(Sb) 2]
+] readonly def
+/.substitutefamilies mark
+  /AvantGarde
+    {/AvantGarde-Book /AvantGarde-BookOblique
+     /AvantGarde-Demi /AvantGarde-DemiOblique}
+  /Bookman
+    {/Bookman-Demi /Bookman-DemiItalic /Bookman-Light /Bookman-LightItalic}
+  /Courier
+    {/Courier /Courier-Oblique /Courier-Bold /Courier-BoldOblique}
+  /Helvetica
+    {/Helvetica /Helvetica-Oblique /Helvetica-Bold /Helvetica-BoldOblique}
+  /Helvetica-Narrow
+    {/Helvetica-Narrow /Helvetica-Narrow-Oblique
+     /Helvetica-Narrow-Bold /Helvetica-Narrow-BoldOblique}
+  /NewCenturySchlbk
+    {/NewCenturySchlbk-Roman /NewCenturySchlbk-Italic
+     /NewCenturySchlbk-Bold /NewCenturySchlbk-BoldItalic}
+  /Palatino
+    {/Palatino-Roman /Palatino-Italic /Palatino-Bold /Palatino-BoldItalic}
+  /Times
+    {/Times-Roman /Times-Italic /Times-Bold /Times-BoldItalic}
+.dicttomark readonly def
+/.substitutefont		% <fontname> .substitutefont <altname>
+ {	% Look for properties and/or a face name in the font name.
+	% If we find any, use Helvetica as the base font;
+	% otherwise, use the default font.
+	% Note that the "substituted" font name may be the same as
+	% the requested one; the caller must check this.
+   dup type dup /stringtype eq exch /nametype eq or
+    { dup length string cvs } { () } ifelse
+    {defaultfontname /Helvetica-Oblique /Helvetica-Bold /Helvetica-BoldOblique}
+   exch 0 exch	% stack: fontname facelist properties fontname
+	% Look for a face name.
+   .substitutefaces
+    { 2 copy 0 get search
+       { pop pop pop 1 get .substitutefamilies exch get
+	 4 -1 roll pop 3 1 roll
+       }
+       { pop pop
+       }
+      ifelse
+    }
+   forall
+   .substituteproperties
+    { 2 copy 0 get search
+       { pop pop pop 1 get 3 -1 roll or exch }
+       { pop pop }
+      ifelse
+    }
+   forall pop get exec
+	% Only accept fonts known in the Fontmap.
+   Fontmap 1 index known not { pop defaultfontname } if
+ } bind def
+
+% If requested, make (and recognize) fake entries in FontDirectory for fonts
+% present in Fontmap but not actually loaded.  Thanks to Ray Johnston for
+% the idea behind this code.
+FAKEFONTS not { (%END FAKEFONTS) .skipeof } if
+
+% We use the presence or absence of the FontMatrix key to indicate whether
+% a font is real or fake.  We must pop the arguments at the very end,
+% so that stack protection will be effective.
+
+/definefont {		% <name> <font> definefont <font>
+  dup /FontMatrix known {
+    //definefont
+  } {
+    2 copy /FontName get findfont //definefont exch pop exch pop
+  } ifelse
+} bind odef
+
+/scalefont {		% <font> <scale> scalefont <font>
+  1 index /FontMatrix known {
+    //scalefont
+  } {
+    1 index /FontName get findfont 1 index //scalefont
+    exch pop exch pop
+  } ifelse
+} bind odef
+
+/makefont {		% <font> <matrix> makefont <font>
+  1 index /FontMatrix known {
+    //makefont
+  } {
+    1 index /FontName get findfont 1 index //makefont
+    exch pop exch pop
+  } ifelse
+} bind odef
+
+/setfont {		% <font> setfont -
+  dup /FontMatrix known {
+    //setfont
+  } {
+    dup /FontName get findfont //setfont pop
+  } ifelse
+} bind odef
+
+%END FAKEFONTS
+
+% Define findfont so it tries to load a font if it's not found.
+% The Red Book requires that findfont be a procedure, not an operator,
+% but it still needs to restore the stacks reliably if it fails,
+% so we do all the work in an operator.
+/.findfont {
+  mark 1 index
+  //systemdict begin .dofindfont
+	% Define any needed aliases.
+  counttomark 1 sub { .aliasfont } repeat end
+  exch pop exch pop
+} odef
+/findfont {
+  .findfont
+} bind def
+% Check whether the font name we are about to look for is already on the list
+% of aliases we're accumulating; if so, cause an error.
+/.checkalias		% -mark- <alias1> ... <name> .checkalias <<same>>
+ { counttomark 1 sub -1 1
+    { index 1 index eq
+       { pop QUIET not
+	  { (Unable to substitute for font.\n) print flush
+	  } if
+	 /findfont cvx /invalidfont signalerror
+       }
+      if
+    }
+   for
+ } bind def
+% Get a (non-fake) font if present in a FontDirectory.
+/.fontknownget		% <fontdir> <fontname> .fontknownget <font> true
+			% <fontdir> <fontname> .fontknownget false
+ { .knownget
+    { FAKEFONTS
+       { dup /FontMatrix known { true } { pop false } ifelse }
+       { true }
+      ifelse
+    }
+    { false
+    }
+   ifelse
+ } bind def
+% Do the work of findfont, including substitution, defaulting, and
+% scanning of FONTPATH.
+/.dofindfont		% <fontname> .dofindfont <font>
+ {  { .tryfindfont { exit } if
+			% We didn't find the font.  If we haven't scanned
+			% all the directories in FONTPATH, scan the next one now,
+			% and look for the font again.
+      null 0 1 FONTPATH length 1 sub
+       { FONTPATH 1 index get null ne { exch pop exit } if pop
+       }
+      for dup null ne
+       { dup 0 eq { .scanfontbegin } if
+	 FONTPATH 1 index get .scanfontdir
+	 FONTPATH exch null put
+			% Start over with an empty alias list.
+	 counttomark 1 sub { pop } repeat
+	 .dofindfont exit
+       }
+      if pop
+			% No luck.  Make sure we're not already
+			% looking for the default font.
+      dup defaultfontname eq
+       { QUIET not
+	  { (Unable to load default font ) print
+	    dup =only (!  Giving up.\n) print flush
+	  }
+	 if /findfont cvx /invalidfont signalerror
+       }
+      if
+			% Substitute for the font.  Don't alias.
+      /SUBSTFONT where {
+	pop QUIET not {
+	  (Substituting for font ) print dup =only
+	  (.\n) print flush
+	} if
+	cleartomark mark defaultfontname
+      } {
+	dup .substitutefont
+	2 copy eq { pop defaultfontname } if
+	.checkalias
+	QUIET not {
+	  (Substituting font ) print dup =only ( for ) print
+	  1 index =only (.\n) print flush
+	} if
+			% Remove all the accumulated aliases.
+	counttomark 1 add 1 roll cleartomark mark exch
+      } ifelse
+    }
+   loop
+ } bind def
+% Try to find a font using only the present contents of Fontmap.
+/.tryfindfont		% <fontname> .tryfindfont <font> true
+			% <fontname> .tryfindfont false
+ { .FontDirectory 1 index .fontknownget
+    {			% Already loaded
+      exch pop true
+    }
+    { dup Fontmap exch .knownget not
+       {		% Unknown font name.  Look for a file with the
+			% same name as the requested font.
+	 dup dup type /nametype eq { .namestring } if .loadfontloop
+       }
+       {		% Try each element of the Fontmap in turn.
+	 false exch	% (in case we exhaust the list)
+			% Stack: fontname false fontmaplist
+	 { exch pop
+	   dup type /nametype eq
+	    {			% Font alias
+	      .checkalias .tryfindfont exit
+	    }
+	    { dup dup type dup /arraytype eq exch /packedarraytype eq or exch xcheck and
+	       {		% Font with a procedural definition
+		 exec		% The procedure will load the font.
+				% Check to make sure this really happened.
+		 .FontDirectory 1 index .knownget
+		  { exch pop true exit }
+		 if
+	       }
+	       {		% Font file name
+		 .loadfontloop { true exit } if
+	       }
+	      ifelse
+	    }
+	   ifelse false
+	 }
+	 forall
+			% Stack: font true -or- fontname false
+	 { true
+	 }
+	 {			% None of the Fontmap entries worked.
+				% Try loading a file with the same name
+				% as the requested font.
+	   dup dup type /nametype eq { .namestring } if .loadfontloop
+	 }
+	ifelse
+       }
+      ifelse
+    }
+   ifelse
+ } bind def
+% Attempt to load a font from a file.
+/.loadfontloop		% <filename> .loadfontloop <font> true
+			% <filename> .loadfontloop false
+ {			% See above regarding the use of 'loop'.
+
+    {
+			% Is the font name a string?
+	dup type /stringtype ne
+	 { QUIET not
+	    { (Can't find font with non-string name: ) print dup =only (.\n) print flush
+	    }
+	   if pop false exit
+	 }
+	if
+			% Can we open the file?
+	findlibfile not
+	 { QUIET not
+	    { (Can't find \(or can't open\) font file ) print dup print
+	      (.\n) print flush
+	    }
+	   if pop false exit
+	 }
+	if
+
+			% Stack: fontname fontfilename fontfile
+	DISKFONTS
+	 { .currentglobal true .setglobal
+	   2 index (r) file
+	   FontFileDirectory exch 5 index exch .growput
+	   .setglobal
+	 }
+	if
+	QUIET not
+	 { (Loading ) print 2 index =only
+	   ( font from ) print 1 index print (... ) print flush
+	 }
+	if
+	% If LOCALFONTS isn't set, load the font into local or global
+	% VM according to FontType; if LOCALFONTS is set, load the font
+	% into the current VM, which is what Adobe printers (but not
+	% DPS or CPSI) do.
+	LOCALFONTS { false } { /setglobal where } ifelse
+	 { pop /FontType .findfontvalue { 1 eq } { false } ifelse
+		% .setglobal, like setglobal, aliases FontDirectory to
+		% GlobalFontDirectory if appropriate.  However, we mustn't
+		% allow the current version of .setglobal to be bound in,
+		% because it's different depending on language level.
+	   .currentglobal exch /.setglobal .systemvar exec
+		% Remove the fake definition, if any.
+	   .FontDirectory 3 index .undef
+	   1 index (r) file .loadfont .FontDirectory exch
+	   /.setglobal .systemvar exec
+	 }
+	 { .loadfont .FontDirectory
+	 }
+	ifelse
+		% Stack: fontname fontfilename fontdirectory
+	QUIET not
+	 { //systemdict /level2dict known
+	    { .currentglobal false .setglobal vmstatus
+	      true .setglobal vmstatus 3 -1 roll pop
+	      6 -1 roll .setglobal 5
+	    }
+	    { vmstatus 3
+	    }
+	   ifelse { =only ( ) print } repeat
+	   (done.\n) print flush
+	 } if
+
+		% Check to make sure the font was actually loaded.
+	dup 3 index .fontknownget
+	 { 4 1 roll pop pop pop true exit } if
+
+		% Maybe the file had a different FontName.
+		% See if we can get a FontName from the file, and if so,
+		% whether a font by that name exists now.
+	exch (r) file .findfontname
+	 { 2 copy .fontknownget
+	    {	% Yes.  Stack: origfontname fontdirectory filefontname fontdict
+	      3 -1 roll pop exch
+	      QUIET
+	       { pop
+	       }
+	       { (Using ) print =only
+	         ( font for ) print 1 index =only
+	         (.\n) print flush
+	       }
+	      ifelse true exit
+	    }
+	   if pop
+	 }
+	if pop
+
+		% The font definitely did not load correctly.
+	QUIET not
+	 { (Loading ) print dup =only
+	   ( font failed.\n) print flush
+	 } if
+	false exit
+
+    } loop		% end of loop
+
+ } bind def
+
+% Define a procedure to load all known fonts.
+% This isn't likely to be very useful.
+/loadallfonts
+ { Fontmap { pop findfont pop } forall
+ } bind def
+
+% If requested, load all the fonts defined in the Fontmap into FontDirectory
+% as "fake" fonts i.e., font dicts with only FontName and FontType defined.
+% (We define FontType only for the sake of some questionable code in the
+% Apple Printer Utility 2.0 font inquiry code.)
+%
+% Note that this procedure only creates fake fonts in the FontDirectory
+% associated with the current VM.  This is because in multi-context systems,
+% creating the fake fonts in local VM leads to undesirable complications.
+/.definefakefonts
+    {
+    }
+    {
+      (gs_fonts FAKEFONTS) VMDEBUG
+      Fontmap {
+	pop dup type /stringtype eq { cvn } if
+	.FontDirectory 1 index known not {
+	  2 dict dup /FontName 3 index put
+	  dup /FontType 1 put
+	  .FontDirectory 3 1 roll put
+	} {
+	  pop
+	} ifelse
+      } forall
+    }
+FAKEFONTS { exch } if pop def	% don't bind, .current/setglobal get redefined
+
+% Install initial fonts from Fontmap.
+/.loadinitialfonts
+ { NOFONTMAP not
+    { /FONTMAP where
+	  { pop [ FONTMAP .pathlist ]
+	     { dup VMDEBUG findlibfile
+		{ exch pop .loadFontmap }
+		{ /undefinedfilename signalerror }
+	       ifelse
+	     }
+	  }
+	  { LIBPATH
+	     { defaultfontmap 2 copy .filenamedirseparator
+	       exch concatstrings concatstrings dup VMDEBUG
+	       (r) { file } .internalstopped
+		{ pop pop } { .loadFontmap } ifelse
+	     }
+	  }
+	 ifelse forall
+    }
+   if
+   .definefakefonts	% current VM is global
+ } def			% don't bind, .current/setglobal get redefined
+
+% ---------------- Synthetic font support ---------------- %
+
+% Create a new font by modifying an existing one.  paramdict contains
+% entries with the same keys as the ones found in a Type 1 font;
+% it should also contain enough empty entries to allow adding the
+% corresponding non-overridden entries from the original font dictionary,
+% including FID.  If paramdict includes a FontInfo entry, this will
+% also override the original font's FontInfo, entry by entry;
+% again, it must contain enough empty entries.
+
+% Note that this procedure does not perform a definefont.
+
+/.makemodifiedfont	% <fontdict> <paramdict> .makemodifiedfont <fontdict'>
+ { exch
+    {			% Stack: destdict key value
+      1 index /FID ne
+       { 2 index 2 index known
+	  {		% Skip fontdict entry supplied in paramdict, but
+			% handle FontInfo specially.
+	    1 index /FontInfo eq
+	     { 2 index 2 index get		% new FontInfo
+	       1 index				% old FontInfo
+		{	% Stack: destdict key value destinfo key value
+		  2 index 2 index known
+		   { pop pop }
+		   { 2 index 3 1 roll put }
+		  ifelse
+		}
+	       forall pop
+	     }
+	    if
+	  }
+	  {		% No override, copy the fontdict entry.
+	    2 index 3 1 roll put
+	    dup dup	% to match pop pop below
+	  }
+	 ifelse
+       }
+      if
+      pop pop
+    } forall
+ } bind def
+
+% Make a modified font and define it.  Note that unlike definefont,
+% this does not leave the font on the operand stack.
+
+/.definemodifiedfont	% <fontdict> <paramdict> .definemodifiedfont -
+ { .makemodifiedfont
+   dup /FontName get exch definefont pop
+ } bind def
diff --git a/pstoraster/gs_init.ps b/pstoraster/gs_init.ps
new file mode 100644
index 000000000..fd40a567a
--- /dev/null
+++ b/pstoraster/gs_init.ps
@@ -0,0 +1,1521 @@
+% Copyright 1993-2001 by Easy Software Products.
+% Copyright 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_init.ps 1605 2001-03-02 22:34:21Z andy $
+% Initialization file for the interpreter.
+% When this is run, systemdict is still writable.
+
+% Comment lines of the form
+%	%% Replace <n> <file(s)>
+% indicate places where the next <n> lines should be replaced by
+% the contents of <file(s)>, when creating a single merged init file.
+
+% The interpreter can call out to PostScript code.  All procedures
+% called in this way, and no other procedures defined in these
+% initialization files, have names that begin with %, e.g.,
+% (%Type1BuildChar) cvn.
+
+% Check the interpreter revision.  NOTE: the interpreter code requires
+% that the first non-comment token in this file be an integer.
+550
+dup revision ne
+ { (pstoraster: Interpreter revision \() print revision 10 string cvs print
+   (\) does not match gs_init.ps revision \() print 10 string cvs print
+   (\).\n) print flush null 1 .quit
+ }
+if pop
+
+% Acquire userdict, and set its length if necessary.
+/userdict where
+ { pop userdict maxlength 0 eq }
+ { true }
+ifelse
+systemdict exch
+ {		% userdict wasn't already set up by iinit.c.
+   dup /userdict
+   currentdict dup 200 .setmaxlength		% userdict
+   .forceput			% userdict is local, systemdict is global
+ }
+if begin
+
+% Define dummy local/global operators if needed.
+systemdict /.setglobal known
+ { true .setglobal
+ }
+ { /.setglobal { pop } .bind def
+   /.currentglobal { false } .bind def
+   /.gcheck { pop false } .bind def
+ }
+ifelse
+
+% Define .languagelevel if needed.
+systemdict /.languagelevel known not { /.languagelevel 1 def } if
+
+% Optionally choose a default paper size other than U.S. letter.
+% (a4) /PAPERSIZE where { pop pop } { /PAPERSIZE exch def } ifelse
+
+% Turn on array packing for the rest of initialization.
+true setpacking
+
+% Define the old MS-DOS EOF character as a no-op.
+% This is a hack to get around the absurd habit of MS-DOS editors
+% of adding an EOF character at the end of the file.
+<1a> cvn { } def
+
+% Acquire the debugging flags.
+/DEBUG true def
+  /VMDEBUG
+    DEBUG {{print mark
+            systemdict /level2dict known
+	     { .currentglobal dup false .setglobal vmstatus
+	       true .setglobal vmstatus 3 -1 roll pop
+	       6 -2 roll pop .setglobal
+	     }
+	     { vmstatus 3 -1 roll pop
+	     }
+	    ifelse usertime 16#fffff and counttomark
+	      { ( ) print (           ) cvs print }
+	    repeat pop
+	    ( ) print systemdict length (    ) cvs print
+	    ( ) print countdictstack (  ) cvs print
+	    ( <) print count (    ) cvs print (>\n) print flush
+	  }}
+	  {{pop
+	  }}
+	 ifelse
+  def
+
+currentdict /BATCH known   /BATCH exch def
+currentdict /DELAYBIND known   /DELAYBIND exch def
+currentdict /DISKFONTS known   /DISKFONTS exch def
+currentdict /ESTACKPRINT known   /ESTACKPRINT exch def
+currentdict /FAKEFONTS known   /FAKEFONTS exch def
+currentdict /FIXEDMEDIA known   /FIXEDMEDIA exch def
+currentdict /FIXEDRESOLUTION known   /FIXEDRESOLUTION exch def
+currentdict /LOCALFONTS known   /LOCALFONTS exch def
+currentdict /NOBIND known   /NOBIND exch def
+/.bind /bind load def
+NOBIND { /bind { } def } if
+currentdict /NOCACHE known   /NOCACHE exch def
+currentdict /NOCIE known   /NOCIE exch def
+currentdict /NODISPLAY known   not /DISPLAYING exch def
+currentdict /NOFONTMAP known   /NOFONTMAP exch def
+currentdict /NOFONTPATH known   /NOFONTPATH exch def
+currentdict /NOGC known   /NOGC exch def
+currentdict /NOINTERPOLATE known   /NOINTERPOLATE exch def
+currentdict /NOPAGEPROMPT known   /NOPAGEPROMPT exch def
+currentdict /NOPAUSE known   /NOPAUSE exch def
+currentdict /NOPLATFONTS known   /NOPLATFONTS exch def
+currentdict /NOPROMPT known   /NOPROMPT exch def
+% The default value of ORIENT1 is true, not false.
+currentdict /ORIENT1 known not { /ORIENT1 true def } if
+currentdict /OSTACKPRINT known   /OSTACKPRINT exch def
+currentdict /OUTPUTFILE known	% obsolete
+ { /OutputFile /OUTPUTFILE load def
+   currentdict /OUTPUTFILE .undef
+ } if
+currentdict /QUIET known   /QUIET exch def
+currentdict /SAFER known   /SAFER exch def
+currentdict /SHORTERRORS known   /SHORTERRORS exch def
+currentdict /STRICT known   /STRICT exch def
+currentdict /WRITESYSTEMDICT known   /WRITESYSTEMDICT exch def
+
+% Acquire environment variables.
+currentdict /DEVICE known not
+ { (GS_DEVICE) getenv { /DEVICE exch def } if } if
+
+(START) VMDEBUG
+
+% Open the standard files, so they will be open at the outermost save level.
+(%stdin) (r) file pop
+(%stdout) (w) file pop
+(%stderr) (w) file pop
+
+/.currentuserparams where {
+  pop mark
+	% The Adobe implementations appear to have very large maximum
+	% stack sizes.  This turns out to actually make a difference,
+	% since some badly-behaved files include extremely long procedures,
+	% or construct huge arrays on the operand stack.
+	% We reset the stack sizes now so that we don't have to worry
+	% about overflowing the (rather small) built-in stack sizes
+	% during initialization.
+  /MaxDictStack 500
+  /MaxExecStack 5000
+  /MaxOpStack 50000
+  .dicttomark .setuserparams
+} if
+
+% Define a procedure for skipping over an unneeded section of code.
+% This avoids allocating space for the skipped procedures.
+% We can't use readline, because that imposes a line length limit.
+/.skipeof	% <string> .skipeof -
+ { currentfile exch 1 exch .subfiledecode flushfile
+ } .bind def
+
+% Define procedures to assist users who don't read the documentation.
+userdict begin
+/help
+ { (Enter PostScript commands.  '(filename) run' runs a file, 'quit' exits.\n)
+   print flush
+ } .bind def
+/? /help load def
+end
+
+% Define =string, which is used by some PostScript programs even though
+% it isn't documented anywhere.
+% Put it in userdict so that each context can have its own copy.
+userdict /=string 256 string put
+
+% Print the greeting.
+
+/printgreeting
+ { mark
+   product (Ghostscript) search
+    { pop pop pop
+      (This software comes with NO WARRANTY: see the file COPYING for details.\n)
+    }
+    { pop
+    }
+   ifelse
+   (\n) copyright
+   (\)\n) revisiondate 100 mod (-)
+   revisiondate 100 idiv 100 mod (-)
+   revisiondate 10000 idiv ( \()
+   revision 10 mod
+   revision 100 mod dup 0 ne { 10 idiv } { pop } ifelse (.)
+   revision 100 idiv ( )
+   product
+   counttomark
+    { (%stderr) (w) file exch false .writecvp
+    } repeat pop
+ } .bind def
+
+QUIET not { printgreeting flush } if
+
+% Define a special version of def for making operator procedures.
+/obind {	% <name> <proc> obind <name> <oper>
+  1 index exch .makeoperator
+} .bind def
+/odef {		% <name> <proc> odef -
+  1 index exch .makeoperator def
+} .bind def
+
+% Define a special version of def for storing local objects into global
+% dictionaries.  Like .forceput, this exists only during initialization.
+/.forcedef {		% <key> <value> .forcedef -
+  currentdict 3 1 roll .forceput
+} .bind odef
+
+% Define procedures for accessing variables in systemdict and userdict
+% regardless of the contents of the dictionary stack.
+/.systemvar {		% <name> .systemvar <value>
+  //systemdict exch get
+} .bind odef
+/.userdict {		% - .userdict <dict>
+  /userdict .systemvar
+} .bind odef
+/.uservar {		% <name> .uservar <value>
+  .userdict exch get
+} .bind odef
+
+% If we're delaying binding, remember everything that needs to be bound later.
+DELAYBIND NOBIND not and
+ { .currentglobal false .setglobal
+   systemdict /.delaybind 1500 array .forceput
+   .setglobal
+   userdict /.delaycount 0 put
+	% When we've done the delayed bind, we want to stop saving.
+	% Detect this by the disappearance of .delaybind.
+   /bind
+    { /.delaybind .systemvar dup length 0 ne
+       { .delaycount 2 index put
+         .userdict /.delaycount .delaycount 1 add put
+       }
+       { pop .bind
+       }
+      ifelse
+    } .bind def
+ } if
+
+%**************** BACKWARD COMPATIBILITY
+/hwsizedict mark /HWSize null .dicttomark readonly def
+/copyscanlines {		% <device> <y> <string> copyscanlines <substr>
+  0 3 1 roll 3 index //hwsizedict .getdeviceparams
+  exch pop exch pop aload pop 3 2 roll
+  0 exch null exch .getbitsrect exch pop
+} bind odef
+currentdict /hwsizedict .undef
+/getdeviceprops
+ { null .getdeviceparams
+ } bind odef
+/.putdeviceprops
+ { null true counttomark 1 add 3 roll .putdeviceparams
+   dup type /booleantype ne
+    { dup mark eq { /unknown /rangecheck } if
+      counttomark 4 add 1 roll cleartomark pop pop pop
+      /.putdeviceprops load exch signalerror
+    }
+   if
+ } bind odef
+/max { .max } bind def
+/min { .min } bind def
+/.currentfilladjust { .currentfilladjust2 pop } bind odef
+/.setfilladjust { dup .setfilladjust2 } bind odef
+/.writecvs { false .writecvp } bind odef
+
+% Define predefined procedures substituting for operators,
+% in alphabetical order.
+
+userdict /#copies 1 put
+% Adobe implementations don't accept /[ or /], so we don't either.
+([) cvn
+	/mark load def
+(]) cvn
+	{counttomark array astore exch pop} odef
+/abs	{dup 0 lt {neg} if} odef
+% .beginpage is redefined if setpagedevice is present.
+/.beginpage { } odef
+% In LanguageLevel 3, copypage erases the page.
+/copypage {
+	.languagelevel 3 ge
+	1 .endpage {
+	  .currentnumcopies 1 index .outputpage
+	  (>>copypage, press <return> to continue<<\n) .confirm
+	  dup { erasepage } if
+	} if pop .beginpage
+} odef
+/currentmatrix {
+	.currentmatrix 6 index astore pop
+} odef
+% .currentnumcopies is redefined in Level 2.
+/.currentnumcopies { #copies } odef
+/setcolorscreen where { pop		% not in all Level 1 configurations
+   /currentcolorscreen
+	{ .currenthalftone
+	   { { 60 exch 0 exch 3 copy 6 copy }	% halftone - not possible
+	     { 3 copy 6 copy }			% screen
+	     { }				% colorscreen
+	   }
+	  exch get exec
+	} odef
+} if
+/currentscreen
+	{ .currenthalftone
+	   { { 60 exch 0 exch }			% halftone - not possible
+	     { }				% screen
+	     { 12 3 roll 9 { pop } repeat }	% colorscreen
+	   }
+	  exch get exec
+	} odef
+/.echo /echo load def
+userdict /.echo.mode true put
+/echo	{dup /.echo.mode exch store .echo} odef
+/eexec
+	{ 55665 //filterdict /eexecDecode get exec
+	  cvx //systemdict begin exec
+		% Only pop systemdict if it is still the top element,
+		% because this is apparently what Adobe interpreters do.
+	  currentdict //systemdict eq { end } if
+	} odef
+% .endpage is redefined if setpagedevice is present.
+/.endpage { 2 ne } odef
+% erasepage mustn't use gsave/grestore, because we call it before
+% the graphics state stack has been fully initialized.
+/erasepage
+	{ /currentcolor where
+	   { pop currentcolor currentcolorspace { setcolorspace setcolor } }
+	   { /currentcmykcolor where
+	      { pop currentcmykcolor { setcmykcolor } }
+	      { currentrgbcolor { setrgbcolor } }
+	     ifelse
+	   }
+	  ifelse 1 setgray .fillpage exec
+	} odef
+% To satisfy the Genoa FTS, executive must be a procedure, not an operator.
+/executive
+	{ { NOPROMPT not { prompt } if
+	     { (%statementedit) (r) file } stopped
+	     { pop pop $error /errorname get /undefinedfilename eq
+		{ .clearerror exit } if		% EOF
+	       handleerror null		% ioerror??
+	     }
+	    if
+	    cvx { .runexec } execute
+	  } loop
+	} bind def
+/filter
+	{ //filterdict 1 index .knownget
+	   { exch pop exec }
+	   { /filter load /undefined signalerror }
+	  ifelse
+	} odef
+/handleerror
+	{ /errordict .systemvar /handleerror get exec } bind def
+/identmatrix [1.0 0.0 0.0 1.0 0.0 0.0] readonly def
+/identmatrix
+	{ dup 0 //identmatrix putinterval } odef
+/languagelevel 1 def		% gs_lev2.ps may change this
+/makeimagedevice { false makewordimagedevice } odef
+/matrix	{ 6 array identmatrix } odef
+/pathbbox
+	{ false .pathbbox
+	} odef
+/prompt	{ flush flushpage
+	  (GS) print
+	  count 0 ne { (<) print count =only } if
+	  (>) print flush
+	} bind def
+/pstack	{ 0 1 count 3 sub { index == } for } bind def
+/putdeviceprops
+	{ .putdeviceprops { erasepage } if } odef
+/quit	{ /quit load 0 .quit } odef
+/run	{ dup type /filetype ne { (r) file } if
+		% We must close the file when execution terminates,
+		% regardless of the state of the stack,
+		% and then propagate an error, if any.
+	  cvx .runexec
+	} odef
+% Execute a file.
+% Level 2 uses 2 .stop to clear the e-stack for a successful startjob:
+% we detect that here, since we need to handle this even if we start out
+% without job control in effect.
+%
+% What we push on the e-stack is the following to be executed in this order:
+%	<lit-file|fileproc> .runexec1 <lit-file|fileproc> .runexec2
+/.runexec1 {		% <file|fileproc> .runexec1 -
+  dup type /filetype ne { cvx exec } if
+  cvx null 2 .stopped
+	% If we got back here from a startjob, just keep going.
+	% startjob replaces the null on the o-stack with a procedure
+	% to be executed when we get back here.
+  dup null ne { exec true } { pop false } ifelse
+} bind def
+/.runexec2 {		% <continue> <file|fileproc> .runexec2 -
+  exch {
+    .runexec
+  } {
+    dup type /filetype ne { cvx exec } if
+    closefile
+  } ifelse
+} bind def
+/.runexec {		% <file|fileproc> .runexec -
+  cvlit /.runexec1 cvx 1 index /.runexec2 cvx 4 .execn
+} bind def
+% The following is only for compatibility with Adobe interpreters.
+/setdash {
+	1 index length 11 gt { /setdash load /limitcheck signalerror } if
+	//setdash
+} odef
+/setdevice
+	{ .setdevice { erasepage } if } odef
+/setlinecap {
+	dup 2 gt { /setlinecap load /rangecheck signalerror } if
+	.setlinecap
+} odef
+/setlinejoin {
+	dup 2 gt { /setlinejoin load /rangecheck signalerror } if
+	.setlinejoin
+} odef
+/setmatrix {
+	dup aload pop .setmatrix pop
+} odef
+/showpage {
+	0 .endpage .doneshowpage {
+	  .currentnumcopies true .outputpage
+	  (>>showpage, press <return> to continue<<\n) .confirm
+	  erasepage
+	} if initgraphics .beginpage
+} odef
+% Code output by Adobe Illustrator relies on the fact that
+% `stack' is a procedure, not an operator!!!
+/stack	{ 0 1 count 3 sub { index = } for } bind def
+/start	{ BATCH { null 0 .quit } { executive } ifelse } def
+% Internal uses of stopped that aren't going to do a stop if an error occurs
+% should use .internalstopped to avoid setting newerror et al.
+/.internalstopped { null 1 .stopped null ne } bind def
+/store {	% Don't alter operands before completing.
+	1 index where { 2 index 2 index put pop pop } { def } ifelse
+} odef
+% NOTE: the name typenames is known to (initialized by) the interpreter.
+/type {
+	//typenames .type
+} odef
+% When running in Level 1 mode, this interpreter is supposed to be
+% compatible with PostScript "version" 54.0 (I think).
+/version (54.0) readonly def
+
+% internaldict is defined in systemdict, but is allocated in local VM.
+% We make a procedure for creating it, since we must create a new one
+% for each context with private local VM.
+/.makeinternaldict {
+  .currentglobal false .setglobal
+    [ /dup .systemvar 1183615869 /eq .systemvar
+	[ /pop .systemvar 10 dict ] cvx
+	[ /internaldict /cvx .systemvar /invalidaccess /signalerror cvx ] cvx
+      /ifelse .systemvar
+    ] cvx executeonly
+  exch .setglobal
+} odef
+systemdict /internaldict dup .makeinternaldict .makeoperator
+.forceput		% proc is local, systemdict is global
+% Move superexec to internaldict if superexec is defined.
+currentdict /superexec .knownget {
+  1183615869 internaldict /superexec 3 -1 roll put
+  currentdict /superexec .undef
+} if
+
+% Define some additional built-in procedures (beyond the ones defined by
+% the PostScript Language Reference Manual).
+% Warning: these are not guaranteed to stay the same from one release
+% to the next!
+/concatstrings
+	{ exch dup length 2 index length add string	% str2 str1 new
+	  dup dup 4 2 roll copy		% str2 new new new1
+	  length 4 -1 roll putinterval
+	} bind def
+/copyarray
+	{ dup length array copy } bind def
+% Copy a dictionary per the Level 2 spec even in Level 1.
+/.copydict		% <fromdict> <todict> .copydict <todict>
+	{ dup 3 -1 roll { put dup } forall pop } bind def
+/copystring
+	{ dup length string copy } bind def
+/finddevice
+	{ /devicedict .systemvar exch get
+	  dup 1 get null eq
+	   {		% This is the first request for this type of device.
+			% Create a default instance now.
+			% Stack: [proto null]
+	     .currentglobal true .setglobal exch
+	     dup dup 0 get copydevice 1 exch put
+	     exch .setglobal
+	   }
+	  if 1 get
+	} bind def
+/.growdictlength	% get size for growing a dictionary
+	{ length 3 mul 2 idiv 1 add
+	} bind def
+/.growdict		% grow a dictionary
+	{ dup .growdictlength .setmaxlength
+	} bind def
+/.growput		% put, grow the dictionary if needed
+	{ 2 index length 3 index maxlength eq
+	   { 3 copy pop known not { 2 index .growdict } if
+	   } if
+	  put
+	} bind def
+/.packtomark
+	{ counttomark packedarray exch pop } bind def
+/ppstack
+	{ 0 1 count 3 sub { index === } for } bind def
+/runlibfile
+	{		% We don't want to bind 'run' into this procedure,
+			% since run may get redefined.
+	  findlibfile
+	   { exch pop /run .systemvar exec }
+	   { /undefinedfilename signalerror }
+	  ifelse
+	} bind def
+/selectdevice
+	{ finddevice setdevice .setdefaultscreen } bind def
+/signalerror		% <object> <errorname> signalerror -
+	{ /errordict .systemvar exch get exec } bind def
+
+% Define the =[only] procedures.  Also define =print,
+% which is used by some PostScript programs even though
+% it isn't documented anywhere.
+/write=only {
+	.writecvs
+} bind def
+/write= {
+	1 index exch write=only (\n) writestring
+} bind def
+%%%% MRS - Send = output to stderr, since stdout is for output.
+/=only	{ (%stderr) (w) file exch write=only } bind def
+/=	{ =only (\n) print } bind def
+/=print	/=only load def
+% Temporarily define == as = for the sake of runlibfile0.
+/== /= load def
+
+% Define procedures for getting and setting the current device resolution.
+
+/gsgetdeviceprop	% <device> <propname> gsgetdeviceprop <value>
+ { 2 copy mark exch null .dicttomark .getdeviceparams
+   dup mark eq		% if true, not found
+    { pop dup /undefined signalerror }
+    { 5 1 roll pop pop pop pop }
+   ifelse
+ } bind def
+/gscurrentresolution	% - gscurrentresolution <[xres yres]>
+ { currentdevice /HWResolution gsgetdeviceprop
+ } bind def
+/gssetresolution	% <[xres yres]> gssetresolution -
+ { 2 array astore mark exch /HWResolution exch
+   currentdevice copydevice putdeviceprops setdevice
+ } bind def
+
+% Define auxiliary procedures needed for the above.
+/shellarguments		% -> shell_arguments true (or) false
+	{ /ARGUMENTS where
+	   { /ARGUMENTS get dup type /arraytype eq
+	      { aload pop /ARGUMENTS null store true }
+	      { pop false }
+	     ifelse }
+	   { false } ifelse
+	} bind def
+/.confirm
+	{ DISPLAYING NOPAUSE not and
+	   {	% Print a message (unless NOPAGEPROMPT or NOPROMPT is true)
+		% and wait for the user to type something.
+		% If the user just types a newline, flush it.
+	     NOPAGEPROMPT NOPROMPT or { pop } { print flush } ifelse
+	     .echo.mode false echo
+	     (%stdin) (r) file dup read
+	      { dup (\n) 0 get eq { pop pop } { unread } ifelse }
+	      { pop }
+	     ifelse echo
+	   }
+	   { pop
+	   }
+	  ifelse
+	} bind def
+
+% Define the procedure used by .runfile, .runstdin and .runstring
+% for executing user input.
+% This is called with a procedure or executable file on the operand stack.
+/.execute {		% <obj> .execute <stopped>
+  stopped $error /newerror get and
+   { handleerror flush true } { false } ifelse
+} bind def
+/execute {		% <obj> execute -
+  .execute pop
+} odef
+% Define an execute analogue of runlibfile0.
+/execute0 {		% <obj> execute0 -
+  .execute { /execute0 cvx 1 .quit } if
+} bind def
+% Define the procedure that the C code uses for running files
+% named on the command line.
+/.runfile {
+  { runlibfile } execute
+} def
+% Define the procedure that the C code uses for running piped input.
+% We don't use the obvious { (%stdin) run }, because we want the file to be
+% reopened if a startjob does a restore.
+/.runstdin {
+  { { (%stdin) (r) file cvx } .runexec } execute0
+} bind def
+% Define the procedure that the C code uses for running commands
+% given on the command line with -c.  We turn the string into a file so that
+% .runexec can do the right thing with a startjob.
+/.runstring {
+  .currentglobal exch true .setglobal
+  0 () .subfiledecode
+  exch .setglobal cvx { .runexec } execute
+} bind def
+% Define the procedure that the C code uses to set up for executing
+% a string that may be received in pieces.
+/.runstringbegin {
+  .currentglobal true .setglobal
+  { .needinput } bind 0 () .subfiledecode
+  exch .setglobal cvx .runexec
+} bind def
+
+% Define a special version of runlibfile that aborts on errors.
+/runlibfile0
+	{ cvlit dup /.currentfilename exch def
+	   { findlibfile not { stop } if }
+	  stopped
+	   { (Can't find \(or open\) initialization file ) print
+	     .currentfilename == flush /runlibfile0 cvx 1 .quit
+	   } if
+	  exch pop cvx stopped
+	   { (While reading ) print .currentfilename print (:\n) print flush
+	     handleerror /runlibfile0 1 .quit
+	   } if
+	} bind def
+% Temporarily substitute it for the real runlibfile.
+/.runlibfile /runlibfile load def
+/runlibfile /runlibfile0 load def
+
+% Create the error handling machinery.
+% Define the standard error handlers.
+% The interpreter has created the ErrorNames array.
+/.unstoppederrorhandler	% <command> <errorname> .unstoppederrorhandler -
+ {	% This is the handler that gets used for recursive errors,
+	% or errors outside the scope of a 'stopped'.
+   2 copy SHORTERRORS
+    { (%%[ Error: ) print =only flush
+      (; OffendingCommand: ) print =only ( ]%%\n) print
+    }
+    { (Unrecoverable error: ) print =only flush
+      ( in ) print = flush
+      count 2 gt
+       { (Operand stack:\n  ) print
+	 2 1 count 3 sub { (  ) print index =only flush } for
+	 (\n) print flush
+       } if
+    }
+   ifelse
+   -1 0 1 //ErrorNames length 1 sub
+    { dup //ErrorNames exch get 3 index eq
+       { not exch pop exit } { pop } ifelse
+    }
+   for exch pop .quit
+ } bind def
+/.errorhandler		% <command> <errorname> .errorhandler -
+  {		% Detect an internal 'stopped'.
+    1 .instopped { null eq { pop pop stop } if } if
+    $error /.inerror get 1 .instopped { pop } { pop true } ifelse
+     { .unstoppederrorhandler
+     } if	% detect error recursion
+    $error /globalmode .currentglobal false .setglobal put
+    $error /.inerror true put
+    $error /newerror true put
+    $error exch /errorname exch put
+    $error exch /command exch put
+    $error /recordstacks get $error /errorname get /VMerror ne and
+     {		% Attempt to store the stack contents atomically.
+       count array astore dup $error /ostack 4 -1 roll
+       countexecstack array execstack $error /estack 3 -1 roll
+       countdictstack array dictstack $error /dstack 3 -1 roll
+       put put put aload pop
+     }
+     { $error /dstack .undef
+       $error /estack .undef
+       $error /ostack .undef
+     }
+    ifelse
+    $error /position currentfile status
+     { currentfile { fileposition } .internalstopped { pop null } if
+     }
+     {		% If this was a scanner error, the file is no longer current,
+		% but the command holds the file, which may still be open.
+       $error /command get dup type /filetype eq
+        { { fileposition } .internalstopped { pop null } if }
+        { pop null }
+       ifelse
+     }
+    ifelse put
+		% During initialization, we don't reset the allocation
+		% mode on errors.
+    $error /globalmode get $error /.nosetlocal get and .setglobal
+    $error /.inerror false put
+    stop
+  } bind def
+% Define the standard handleerror.  We break out the printing procedure
+% (.printerror) so that it can be extended for binary output
+% if the Level 2 facilities are present.
+  /.printerror
+   { $error begin
+       /command load errorname SHORTERRORS
+	{ (%%[ Error: ) print =only flush
+	  (; OffendingCommand: ) print =only
+	  currentdict /errorinfo .knownget
+	   { (;\nErrorInfo:) print
+	     dup type /arraytype eq
+	      { { ( ) print =only } forall }
+	      { ( ) print =only }
+	     ifelse
+	   } if
+          ( ]%%\n) print flush
+	}
+	{ (Error: ) print ==only flush
+	  ( in ) print ==only flush
+	  currentdict /errorinfo .knownget
+	   { (\nAdditional information: ) print ==only flush
+	   } if
+	  .printerror_long
+	}
+       ifelse
+       .clearerror
+     end
+     flush
+    } bind def     
+  /.printerror_long			% long error printout,
+					% $error is on the dict stack
+   {	% Push the (anonymous) stack printing procedure.
+	%  <heading> <==flag> <override-name> <stackname> proc
+       {
+	 currentdict exch .knownget	% stackname defined in $error?
+	 {
+	   4 1 roll			% stack: <stack> <head> <==flag> <over>
+	   errordict exch .knownget	% overridename defined?
+	   { 
+	     exch pop exch pop exec	% call override with <stack>
+	   }
+	   { 
+	     exch print exch		% print heading. stack <==flag> <stack>
+	     1 index not { (\n) print } if
+	     { 1 index { (\n    ) } { (   ) } ifelse print
+	       dup type /dicttype eq
+	       {
+		 (--dict:) print
+		 dup rcheck {
+		   dup length =only (/) print dup maxlength =only
+		 } if
+		 /gcheck where {
+		   pop gcheck { ((G)) } { ((L)) } ifelse print
+		 } {
+		   pop
+		 } ifelse (--) print
+	       }
+	       {
+		 dup type /stringtype eq 2 index or
+		 { ==only } { =only } ifelse
+	       } ifelse
+	     } forall
+	     pop
+	   }
+	   ifelse			% overridden
+	 }
+	 { pop pop pop
+	 }
+	 ifelse				% stack known
+       }
+
+       (\nOperand stack:) OSTACKPRINT /.printostack /ostack 4 index exec
+       (\nExecution stack:) ESTACKPRINT /.printestack /estack 4 index exec
+       (\nBacktrace:) true /.printbacktrace /backtrace 4 index exec
+       (\nDictionary stack:) false /.printdstack /dstack 4 index exec
+       (\n) print
+       pop	% printing procedure
+
+       errorname /VMerror eq
+	{ (VM status:) print mark vmstatus
+	  counttomark { ( ) print counttomark -1 roll dup =only } repeat
+	  cleartomark (\n) print
+	} if
+
+       .languagelevel 2 ge
+	{ (Current allocation mode is ) print
+	  globalmode { (global\n) } { (local\n) } ifelse print
+	} if
+
+       .oserrno dup 0 ne
+	{ (Last OS error: ) print
+	  errorname /VMerror ne
+	   { dup .oserrorstring { = pop } { = } ifelse }
+	   { = }
+	  ifelse
+	}
+	{ pop
+	}
+       ifelse
+
+       position null ne
+	{ (Current file position is ) print position = }
+       if
+
+   } bind def
+% Define a procedure for clearing the error indication.
+/.clearerror
+ { $error /newerror false put
+   $error /errorname null put
+   $error /errorinfo .undef
+   0 .setoserrno
+ } bind def
+
+% Define $error.  This must be in local VM.
+.currentglobal false .setglobal
+/$error 40 dict .forcedef	% $error is local, systemdict is global
+		% newerror, errorname, command, errorinfo,
+		% ostack, estack, dstack, recordstacks,
+		% binary, globalmode,
+		% .inerror, .nosetlocal, position,
+		% plus extra space for badly designed error handers.
+$error begin
+  /newerror false def
+  /recordstacks true def
+  /binary false def
+  /globalmode .currentglobal def
+  /.inerror false def
+  /.nosetlocal true def
+  /position null def
+end
+% Define errordict similarly.  It has one entry per error name,
+%   plus handleerror.
+/errordict ErrorNames length 1 add dict
+.forcedef		% errordict is local, systemdict is global
+.setglobal		% contents of errordict are global
+errordict begin
+  ErrorNames
+   { mark 1 index systemdict /.errorhandler get /exec load .packtomark cvx def
+   } forall
+% The handlers for interrupt and timeout are special; there is no
+% 'current object', so they push their own name.
+   { /interrupt /timeout }
+   { mark 1 index dup systemdict /.errorhandler get /exec load .packtomark cvx def
+   } forall
+/handleerror
+ { /.printerror .systemvar exec
+ } bind def
+end
+
+% Define the [write]==[only] procedures.
+/.dict 26 dict dup
+begin def
+  /.cvp {1 index exch .writecvs} bind def
+  /.nop {exch pop .p} bind def
+  /.p {1 index exch writestring} bind def
+  /.p1 {2 index exch writestring} bind def
+  /.p2 {3 index exch writestring} bind def
+  /.print
+	{ dup type .dict exch .knownget
+	   { dup type /stringtype eq { .nop } { exec } ifelse }
+	   { (-) .p1 type .cvp (-) .p }
+	  ifelse
+	} bind def
+  /.pstring
+	{  { dup dup 32 lt exch 127 ge or
+	      { (\\) .p1 2 copy -6 bitshift 48 add write
+		2 copy -3 bitshift 7 and 48 add write
+		7 and 48 add
+	      }
+	      { dup dup -2 and 40 eq exch 92 eq or {(\\) .p1} if
+	      }
+	     ifelse 1 index exch write
+	   }
+	  forall
+	} bind def  
+  /booleantype /.cvp load def
+  /conditiontype (-condition-) def
+  /devicetype (-device-) def
+  /dicttype (-dict-) def
+  /filetype (-file-) def
+  /fonttype (-fontID-) def
+  /gstatetype (-gstate-) def
+  /integertype /.cvp load def
+  /locktype (-lock-) def
+  /marktype (-mark-) def
+  /nulltype (null) def
+  /realtype {1 index exch true .writecvp} bind def
+  /savetype (-save-) def
+  /nametype
+	{dup xcheck not {(/) .p1} if
+	 1 index exch .writecvs} bind def
+  /arraytype
+	{dup rcheck
+	  {() exch dup xcheck
+	    {({) .p2
+	     {exch .p1
+	      1 index exch .print pop ( )} forall
+	     (})}
+	    {([) .p2
+	     {exch .p1
+	      1 index exch .print pop ( )} forall
+	     (])}
+	   ifelse exch pop .p}
+	  {(-array-) .nop}
+	 ifelse} bind def
+  /operatortype
+  	{(--) .p1 .cvp (--) .p} bind def
+  /packedarraytype
+	{ dup rcheck
+	   { arraytype }
+	   { (-packedarray-) .nop }
+	  ifelse
+	} bind def
+  /stringtype
+	{ dup rcheck
+	   { (\() .p1 dup length 200 le
+	      { .pstring }
+	      { 0 200 getinterval .pstring (...) .p }
+	     ifelse (\)) .p
+	   }
+	   { (-string-) .nop
+	   }
+	  ifelse
+	} bind def
+{//.dict begin .print pop end}
+  bind
+end
+
+/write==only exch def
+/write== {1 index exch write==only (\n) writestring} bind def
+/==only { (%stderr) (w) file exch write==only } bind def
+/== {==only (\n) print} bind def
+
+% Define [write]===[only], an extension that prints dictionaries
+% in readable form and doesn't truncate strings.
+/.dict /write==only load 0 get dup length dict .copydict dup
+begin def
+  /dicttype
+	{ dup rcheck
+	   { (<< ) .p1
+	      { 2 index 3 -1 roll .print pop ( ) .p1
+		1 index exch .print pop ( ) .p
+	      }
+	     forall (>>) .p
+	   }
+	   { (-dict-) .nop
+	   }
+	  ifelse
+	} bind def
+  /stringtype
+	{ dup rcheck
+	   { (\() .p1 .pstring (\)) .p }
+	   { (-string-) .nop }
+	  ifelse
+	} bind def
+
+{//.dict begin .print pop end}
+  bind
+end
+
+/write===only exch def
+/write=== {1 index exch write===only (\n) writestring} bind def
+/===only { (%stderr) (w) file exch write===only } bind def
+/=== { ===only (\n) print } bind def
+
+(END PROCS) VMDEBUG
+
+% Define the font directory.
+/FontDirectory false .setglobal 100 dict true .setglobal
+.forcedef		% FontDirectory is local, systemdict is global
+
+% Define the encoding dictionary.
+/EncodingDirectory 10 dict def	% enough for Level 2 + PDF standard encodings
+
+% Define .findencoding.  (This is redefined in Level 2.)
+/.findencoding
+ { //EncodingDirectory exch get exec
+ } bind def
+/.defineencoding
+ { //EncodingDirectory 3 1 roll put
+ } bind def
+% If we've got the composite font extensions, define findencoding.
+% To satisfy the Genoa FTS, findencoding must be a procedure, not an operator.
+/rootfont where { pop /findencoding { .findencoding } def } if
+
+% Define .registerencoding.
+% NOTE: the name registeredencodings is known to (initialized by and shared
+% with) the interpreter.
+/.registerencoding {	% <index> <array> .registerencoding -
+	% Check that the array is indexable.
+	% (It might still be a string, but then the .namestring will fail.)
+  dup 0 0 getinterval pop
+	% Check that all the elements of the array are names.
+  dup { .namestring pop } forall
+	% Do the store.
+  //registeredencodings 2 index 2 index readonly put pop pop
+} bind odef
+systemdict /registeredencodings .undef
+
+% Load StandardEncoding.
+%% Replace 1 (gs_std_e.ps)
+(gs_std_e.ps) dup runlibfile VMDEBUG
+
+% Load ISOLatin1Encoding.
+%% Replace 1 (gs_iso_e.ps)
+(gs_iso_e.ps) dup runlibfile VMDEBUG
+
+% Define stubs for the Symbol and Dingbats encodings.
+% Note that the first element of the procedure must be the file name,
+% since gs_lev2.ps extracts it to set up the Encoding resource category.
+
+  /SymbolEncoding { /SymbolEncoding .findencoding } bind def
+%% Replace 3 (gs_sym_e.ps)
+  EncodingDirectory /SymbolEncoding
+   { (gs_sym_e.ps) //systemdict begin runlibfile SymbolEncoding end }
+  bind put
+
+  /DingbatsEncoding { /DingbatsEncoding .findencoding } bind def
+%% Replace 3 (gs_dbt_e.ps)
+  EncodingDirectory /DingbatsEncoding
+   { (gs_dbt_e.ps) //systemdict begin runlibfile DingbatsEncoding end }
+  bind put
+
+(END FONTDIR/ENCS) VMDEBUG
+
+% Construct a dictionary of all available devices.
+% These are (read-only) device prototypes that can't be
+% installed or have their parameters changed.  For this reason,
+% the value in the dictionary is actually a 2-element writable array,
+% to allow us to create a default instance of the prototype on demand.
+
+	% Loop until the .getdevice gets a rangecheck.
+errordict /rangecheck 2 copy get
+errordict /rangecheck { pop stop } put	% pop the command
+  0 { {dup .getdevice exch 1 add} loop} .internalstopped pop
+  1 add dict  /devicedict 1 index def
+  begin			% 2nd copy of count is on stack
+   { dup .devicename exch
+     dup wcheck { dup } { null } ifelse 2 array astore def
+   } repeat
+  end
+put		% errordict /rangecheck
+.clearerror
+/devicenames devicedict { pop } forall devicedict length packedarray def
+
+% Determine the default device.
+/defaultdevice DISPLAYING
+ { systemdict /DEVICE .knownget
+    { devicedict 1 index known not
+       { (Unknown device: ) print =
+	 flush /defaultdevice cvx 1 .quit
+       }
+      if
+    }
+    { 0 .getdevice .devicename
+    }
+   ifelse
+ }
+ { /nullpage
+ }
+ifelse
+/.defaultdevicename 1 index def
+finddevice	% make a copy
+def
+devicedict /Default devicedict .defaultdevicename get put
+
+(END DEVS) VMDEBUG
+
+% Define statusdict, for the benefit of programs
+% that think they are running on a LaserWriter or similar printer.
+%% Replace 1 (gs_statd.ps)
+(gs_statd.ps) runlibfile
+
+(END STATD) VMDEBUG
+
+% Load the standard font environment.
+%% Replace 1 (gs_fonts.ps)
+(gs_fonts.ps) runlibfile
+
+(END GS_FONTS) VMDEBUG
+
+% Load the initialization files for optional features.
+%% Replace 4 INITFILES
+systemdict /INITFILES known
+ { INITFILES { dup runlibfile VMDEBUG } forall
+ }
+if
+
+% If Level 2 (or higher) functionality is implemented, enable it now.
+/.setlanguagelevel where {
+  pop 2 .setlanguagelevel
+	% If the resource machinery is loaded, fix up some things now.
+  /.fixresources where { pop .fixresources } if
+} if
+/ll3dict where {
+  pop 3 .setlanguagelevel
+} if
+
+(END INITFILES) VMDEBUG
+
+% Create a null font.  This is the initial font.
+8 dict dup begin
+  /FontMatrix [ 1 0 0 1 0 0 ] readonly def
+  /FontType 3 def
+  /FontName () def
+  /Encoding StandardEncoding def
+  /FontBBox { 0 0 0 0 } readonly def % executable is bogus, but customary ...
+  /BuildChar { pop pop 0 0 setcharwidth } bind def
+  /PaintType 0 def		% shouldn't be needed!
+end
+/NullFont exch definefont setfont
+
+% Define NullFont as the font.
+/NullFont currentfont def
+
+% Load initial fonts from FONTPATH directories, Fontmap file,
+% and/or .getccfont as appropriate.
+.loadinitialfonts
+
+% Remove NullFont from FontDirectory, so it can't be accessed by mistake.
+/undefinefont where {
+  pop /NullFont undefinefont
+} {
+  FontDirectory /NullFont .undef
+} ifelse
+
+(END FONTS) VMDEBUG
+
+% Restore the real definition of runlibfile.
+/runlibfile /.runlibfile load def
+currentdict /.runlibfile .undef
+
+% Bind all the operators defined as procedures.
+/.bindoperators		% binds operators in currentdict
+ { % Temporarily disable the typecheck error.
+   errordict /typecheck 2 copy get
+   errordict /typecheck { pop } put	% pop the command
+   currentdict
+    { dup type /operatortype eq
+       { % This might be a real operator, so bind might cause a typecheck,
+	 % but we've made the error a no-op temporarily.
+	 .bind		% do a real bind even if NOBIND is set
+       }
+      if pop pop
+    } forall
+   put
+ } def
+NOBIND DELAYBIND or not { .bindoperators } if
+
+% Establish a default environment.
+
+defaultdevice
+% The following line used to skip setting of page size and resolution if
+% NODISPLAY was selected.  We think this was only to save time and memory,
+% and it is a bad idea because it prevents setting the resolution in this
+% situation, which pstoedit (among other programs) relies on.
+%DISPLAYING not { setdevice (%END DISPLAYING) .skipeof } if
+systemdict /DEVICEWIDTH known
+systemdict /DEVICEHEIGHT known or
+systemdict /DEVICEWIDTHPOINTS known or
+systemdict /DEVICEHEIGHTPOINTS known or
+systemdict /DEVICEXRESOLUTION known or
+systemdict /DEVICEYRESOLUTION known or
+systemdict /PAPERSIZE known or
+not { (%END DEVICE) .skipeof } if
+% Let DEVICE{WIDTH,HEIGHT}[POINTS] override PAPERSIZE.
+systemdict /PAPERSIZE known
+systemdict /DEVICEWIDTH known not and
+systemdict /DEVICEHEIGHT known not and
+systemdict /DEVICEWIDTHPOINTS known not and
+systemdict /DEVICEHEIGHTPOINTS known not and
+ {	% Convert the paper size to device dimensions.
+   true statusdict /.pagetypenames get
+    { PAPERSIZE eq
+       { PAPERSIZE load
+         dup 0 get /DEVICEWIDTHPOINTS exch def
+         1 get /DEVICEHEIGHTPOINTS exch def
+         pop false exit
+       }
+      if
+    }
+   forall
+    { (Unknown paper size: ) print PAPERSIZE ==only (.\n) print
+    }
+   if
+ }
+if
+% Adjust the device parameters per the command line.
+% It is possible to specify resolution, pixel size, and page size;
+% since any two of these determine the third, conflicts are possible.
+% We simply pass them to .setdeviceparams and let it sort things out.
+   mark /HWResolution null /HWSize null /PageSize null .dicttomark
+   .getdeviceparams .dicttomark begin
+   mark
+	% Check for resolution.
+   /DEVICEXRESOLUTION where dup
+    { exch pop HWResolution 0 DEVICEXRESOLUTION put }
+   if
+   /DEVICEYRESOLUTION where dup
+    { exch pop HWResolution 1 DEVICEYRESOLUTION put }
+   if
+   or { /HWResolution HWResolution } if
+	% Check for device sizes specified in pixels.
+   /DEVICEWIDTH where dup
+    { exch pop HWSize 0 DEVICEWIDTH put }
+   if
+   /DEVICEHEIGHT where dup
+    { exch pop HWSize 1 DEVICEHEIGHT put }
+   if
+   or { /HWSize HWSize } if
+	% Check for device sizes specified in points.
+   /DEVICEWIDTHPOINTS where dup
+    { exch pop PageSize 0 DEVICEWIDTHPOINTS put }
+   if
+   /DEVICEHEIGHTPOINTS where dup
+    { exch pop PageSize 1 DEVICEHEIGHTPOINTS put }
+   if
+   or { /PageSize PageSize } if
+	% Check whether any parameters were set.
+   dup mark eq { pop } { defaultdevice putdeviceprops } ifelse
+   end
+%END DEVICE
+% Set any device properties defined on the command line.
+% If BufferSpace is defined but not MaxBitmap, set MaxBitmap to BufferSpace.
+systemdict /BufferSpace known
+systemdict /MaxBitmap known not and
+ { systemdict /MaxBitmap BufferSpace put
+ } if
+dup getdeviceprops
+counttomark 2 idiv
+ { systemdict 2 index known
+    { pop dup load counttomark 2 roll }
+    { pop pop }
+   ifelse
+ } repeat
+counttomark dup 0 ne
+ { 2 add -1 roll putdeviceprops }
+ { pop pop }
+ifelse
+setdevice		% does an erasepage
+% If the media size is fixed, update the current page device dictionary.
+FIXEDMEDIA
+dup { pop systemdict /.currentpagedevice known } if
+dup { pop .currentpagedevice exch pop } if
+not { (%END MEDIA) .skipeof } if
+currentpagedevice dup length dict .copydict
+dup /Policies
+	% Stack: <pagedevice> <pagedevice> /Policies
+1 index /InputAttributes
+2 copy get dup length dict .copydict
+	% Stack: <pagedevice> <pagedevice> /Policies <pagedevice>
+	%   /InputAttributes <inputattrs'>
+dup 0 2 copy get dup length dict .copydict
+	% Stack: <pagedevice> <pagedevice> /Policies <pagedevice>
+	%   /InputAttributes <inputattrs'> <inputattrs'> 0 <attrs0'>
+dup /PageSize 7 index /PageSize get
+put				% PageSize in 0
+put				% 0 in InputAttributes
+put				% InputAttributes in pagedevice
+% Also change the page size policy so we don't get an error.
+	% Stack: <pagedevice> <pagedevice> /Policies
+2 copy get dup length dict .copydict
+	% Stack: <pagedevice> <pagedevice> /Policies <policies'>
+dup /PageSize 7 put		% PageSize in Policies
+put				% Policies in pagedevice
+.setpagedevice
+%END MEDIA
+%END DISPLAYING
+
+(END DEVICE) VMDEBUG
+
+% Establish a default upper limit in the character cache,
+% namely, enough room for a 18-point character at the resolution
+% of the default device, or for a character consuming 1% of the
+% maximum cache size, whichever is larger.
+mark
+	% Compute limit based on character size.
+  18 dup dtransform
+  exch abs cvi 31 add 32 idiv 4 mul	% X raster
+  exch abs cvi mul		% Y
+	% Compute limit based on allocated space.
+  cachestatus pop pop pop pop pop exch pop 0.01 mul cvi
+  .max dup 10 idiv exch
+setcacheparams
+% Conditionally disable the character cache.
+NOCACHE { 0 setcachelimit } if
+
+(END CONFIG) VMDEBUG
+
+% Establish an appropriate halftone screen and BG/UCR functions.
+% We make this a procedure so we can call it again when switching devices.
+
+%%%% MRS - Changed default to 16x16 Floyd dither, matching the CUPS
+%%%%       image RIP.  Also, added missing standard transfer function,
+%%%%       which is needed by output from many apps...
+
+% Set the default screen and BG/UCR based on the device resolution and
+% process color capability.
+/.setdefaultbgucr systemdict /setblackgeneration known { {
+  processcolors 1 eq { { } } { { pop 0.0 } } ifelse
+  dup setblackgeneration setundercolorremoval
+} } { {
+} } ifelse bind def
+% Set the default screen based on the device resolution.
+/.setdefaultscreen
+{
+  <<
+	/HalftoneType 3
+        /Width 16
+        /Height 16
+        /Thresholds
+	< 00 80 20 A0 08 88 28 A8 02 82 22 A2 0A 8A 2A AA
+	  C0 40 E0 60 C8 48 E8 68 C2 42 E2 62 CA 4A EA 6A
+	  30 B0 10 90 38 B8 18 98 32 B2 12 92 3A BA 1A 9A
+	  F0 70 D0 50 F8 78 D8 58 F2 72 D2 52 FA 7A DA 5A
+	  0C 8C 2C AC 04 84 24 A4 0E 8E 2E AE 06 86 26 A6
+	  CC 4C EC 6C C4 44 E4 64 CE 4E EE 6E C6 46 E6 66
+	  3C BC 1C 9C 34 B4 14 94 3E BE 1E 9E 36 B6 16 96
+	  FC 7C DC 5C F4 74 D4 54 FE 7E DE 5E F6 76 D6 56
+	  03 83 23 A3 0B 8B 2B AB 01 81 21 A1 09 89 29 A9
+	  C3 43 E3 63 CB 4B EB 6B C1 41 E1 61 C9 49 E9 69
+	  33 B3 13 93 3B BB 1B 9B 31 B1 11 91 39 B9 19 99
+	  F3 73 D3 53 FB 7B DB 5B F1 71 D1 51 F9 79 D9 59
+	  0F 8F 2F AF 07 87 27 A7 0D 8D 2D AD 05 85 25 A5
+	  CF 4F EF 6F C7 47 E7 67 CD 4D ED 6D C5 45 E5 65
+	  3F BF 1F 9F 37 B7 17 97 3D BD 1D 9D 35 B5 15 95
+	  FF 7F DF 5F F7 77 D7 57 FD 7D DD 5D F5 75 D5 55 >
+  >> sethalftone
+} bind def
+.setdefaultscreen
+% Set a null transfer function...
+{} bind settransfer
+initgraphics
+
+% The interpreter relies on there being at least 2 entries
+% on the graphics stack.  Establish the second one now.
+gsave
+
+% Define some control sequences as no-ops.
+% This is a hack to get around problems
+% in some common PostScript-generating applications.
+<04> cvn { } def		% Apple job separator
+<0404> cvn { } def		% two of the same
+<1b> cvn { } def		% MS Windows LaserJet 4 prologue
+				% (UEL = ESC %-12345X)
+<1b45> cvn { } def		% PJL reset prologue (ESC E)
+<1b451b> cvn { } def		% PJL reset epilogue (ESC E + UEL)
+<041b> cvn { } def		% MS Windows LaserJet 4 epilogue (^D + UEL)
+(\001M) cvn			% TBCP initiator
+ { currentfile /TBCPDecode filter cvx exec
+ } bind def
+/@PJL				% H-P job control
+ { currentfile //=string readline { pop } if
+ } bind def
+
+% If we want a "safer" system, disable some obvious ways to cause havoc.
+SAFER not { (%END SAFER) .skipeof } if
+/file
+ { dup (r) eq 2 index (%pipe*) .stringmatch not and
+   2 index (%std*) .stringmatch or
+    { file }
+    { /invalidfileaccess signalerror }
+   ifelse
+ } .bind odef
+/renamefile { /invalidfileaccess signalerror } odef
+/deletefile { /invalidfileaccess signalerror } odef
+/putdeviceprops
+ { counttomark
+   dup 2 mod 0 eq { pop /rangecheck signalerror } if
+   3 2 3 2 roll
+    { dup index /OutputFile eq  
+       { -2 roll 
+         dup () ne { /putdeviceprops load /invalidfileaccess signalerror } if
+         3 -1 roll
+       }
+       { pop
+       }
+      ifelse
+    } for
+   putdeviceprops
+ } .bind odef
+
+%END SAFER
+
+% If we delayed binding, make it possible to do it later.
+/.bindnow {
+  //systemdict begin .bindoperators end
+  % Temporarily disable the typecheck error.
+  errordict /typecheck 2 copy get
+  errordict /typecheck { pop } put	% pop the command
+  0 1 .delaycount 1 sub { .delaybind exch get .bind pop } for
+  //systemdict /.delaybind {} .forceput	% reclaim the space
+  //systemdict /.bindnow .forceundef	% ditto
+  put
+  //systemdict /.forcedef .forceundef		% remove temptation
+  //systemdict /.forceput .forceundef		% ditto
+  //systemdict /.forceundef .forceundef		% ditto
+} .bind odef
+
+% Turn off array packing, since some PostScript code assumes that
+% procedures are writable.
+false setpacking
+
+(END INIT) VMDEBUG
+
+/.currentuserparams where {
+  pop
+	% Remove real user params from psuserparams.
+  mark .currentuserparams counttomark 2 idiv {
+    pop psuserparams exch undef
+  } repeat pop
+	% Update the copy of the user parameters.
+  mark .currentuserparams counttomark 2 idiv {
+    userparams 3 1 roll .forceput	% userparams is read-only
+  } repeat pop
+	% Turn on idiom recognition, if available.
+  currentuserparams /IdiomRecognition known {
+    /IdiomRecognition true .definepsuserparam
+  } if
+  psuserparams readonly pop
+  systemdict /.definepsuserparam undef
+	% Save a copy of userparams for use with save/restore
+	% (and, if implemented, context switching).
+  .currentglobal false .setglobal
+     mark .currentuserparams psuserparams { } forall .dicttomark readonly
+     /userparams exch .forcedef		% systemdict is read-only
+  .setglobal
+} if
+/.currentsystemparams where {
+  pop
+	% Remove real system params from pssystemparams.
+  mark .currentsystemparams counttomark 2 idiv {
+    pop pssystemparams exch .forceundef
+  } repeat pop
+} if
+
+% Conditionally turn off image interpolation.
+NOINTERPOLATE not { (%END NOINTERPOLATE) .skipeof } if
+/.nointerpolate {
+  dup type /dicttype eq {
+    dup /Interpolate .knownget not { false } if {
+      dup gcheck .currentglobal exch .setglobal
+      exch dup length dict copy
+      dup /Interpolate .undef
+      exch .setglobal
+    } if
+  } if
+} bind odef
+/image { .nointerpolate image } bind odef
+/imagemask { .nointerpolate imagemask } bind odef
+%END NOINTERPOLATE
+
+% Establish local VM as the default.
+false /setglobal where { pop setglobal } { .setglobal } ifelse
+$error /.nosetlocal false put
+
+(END GLOBAL) VMDEBUG
+
+/.savelocalstate where {
+	% If we might create new contexts, save away copies of all dictionaries
+	% referenced from systemdict that are stored in local VM,
+	% and also save a copy of the initial gstate.
+  pop .savelocalstate
+} {
+	% If we're *not* running in a multi-context system and FAKEFONTS is
+	% defined, add the fake fonts to LocalFontDirectory.
+  .definefakefonts	% current VM is local
+} ifelse
+
+% Close up systemdict.
+currentdict /filterdict .undef		% bound in where needed
+currentdict /.cidfonttypes .undef	% ditto
+currentdict /.colorrenderingtypes .undef	% ditto
+currentdict /.formtypes .undef		% ditto
+currentdict /.imagetypes .undef		% ditto
+currentdict /.imagemasktypes .undef	% ditto
+currentdict /.patterntypes .undef	% ditto
+currentdict /.shadingtypes .undef	% ditto
+end
+
+% Clean up VM, and enable GC.
+/vmreclaim where
+ { pop NOGC not { 2 vmreclaim 0 vmreclaim } if
+ } if
+DELAYBIND not {
+  systemdict /.forcedef .undef		% remove temptation
+  systemdict /.forceput .undef		% ditto
+  systemdict /.forceundef .undef	% ditto
+} if
+WRITESYSTEMDICT not { systemdict readonly pop } if
+
+(END GC) VMDEBUG
+
+% The interpreter will run the initial procedure (start).
diff --git a/pstoraster/gs_iso_e.ps b/pstoraster/gs_iso_e.ps
new file mode 100644
index 000000000..607d9714f
--- /dev/null
+++ b/pstoraster/gs_iso_e.ps
@@ -0,0 +1,74 @@
+%    Copyright (C) 1993, 1994 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_iso_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the ISO Latin-1 encoding vector.
+% The first half is the same as the standard encoding,
+% except for minus instead of hyphen at code 055.
+/ISOLatin1Encoding
+StandardEncoding 0 45 getinterval aload pop
+    /minus
+StandardEncoding 46 82 getinterval aload pop
+% NOTE: the following are missing in the Adobe documentation,
+% but appear in the displayed table:
+% macron at 0225, dieresis at 0230, cedilla at 0233, space at 0240.
+% This is an error in the Red Book, corrected in Adobe TN 5085.
+% \20x
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent
+    /dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
+% \24x
+    /space /exclamdown /cent /sterling
+	/currency /yen /brokenbar /section
+    /dieresis /copyright /ordfeminine /guillemotleft
+	/logicalnot /minus /registered /macron
+    /degree /plusminus /twosuperior /threesuperior
+	/acute /mu /paragraph /periodcentered
+    /cedilla /onesuperior /ordmasculine /guillemotright
+	/onequarter /onehalf /threequarters /questiondown
+% \30x
+    /Agrave /Aacute /Acircumflex /Atilde
+	/Adieresis /Aring /AE /Ccedilla
+    /Egrave /Eacute /Ecircumflex /Edieresis
+	/Igrave /Iacute /Icircumflex /Idieresis
+    /Eth /Ntilde /Ograve /Oacute
+	/Ocircumflex /Otilde /Odieresis /multiply
+    /Oslash /Ugrave /Uacute /Ucircumflex
+	/Udieresis /Yacute /Thorn /germandbls
+% \34x
+    /agrave /aacute /acircumflex /atilde
+	/adieresis /aring /ae /ccedilla
+    /egrave /eacute /ecircumflex /edieresis
+	/igrave /iacute /icircumflex /idieresis
+    /eth /ntilde /ograve /oacute
+	/ocircumflex /otilde /odieresis /divide
+    /oslash /ugrave /uacute /ucircumflex
+	/udieresis /yacute /thorn /ydieresis
+% Make an array on large systems, a packed array on small ones.
+256
+vmstatus exch pop exch pop
+100000 ge { array astore readonly } { packedarray } ifelse
+def
+1 ISOLatin1Encoding .registerencoding
+/ISOLatin1Encoding ISOLatin1Encoding .defineencoding
diff --git a/pstoraster/gs_kanji.ps b/pstoraster/gs_kanji.ps
new file mode 100644
index 000000000..ee4272dd4
--- /dev/null
+++ b/pstoraster/gs_kanji.ps
@@ -0,0 +1,166 @@
+%    Copyright (C) 1994, 1995, 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_kanji.ps 956 2000-03-08 23:15:43Z mike $
+% Scaffolding for Kanji fonts.  This is based on the Wadalab free font
+% from the University of Tokyo; it may not be appropriate for other
+% Kanji fonts.
+
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+
+% Define the encoding for the root font.
+
+/KanjiEncoding
+% \x00
+	0	0	0	0	0	0	0	0
+	0	0	0	0	0	0	0	0
+	0	0	0	0	0	0	0	0
+	0	0	0	0	0	0	0	0
+% \x20
+	0	1	2	3	4	5	6	7
+	8	0	0	0	0	0	0	0
+	9	10	11	12	13	14	15	16
+	17	18	19	20	21	22	23	24
+% \x40
+	25	26	27	28	29	30	31	32
+	33	34	35	36	37	38	39	40
+	41	42	43	44	45	46	47	48
+	49	50	51	52	53	54	55	56
+% \x60
+	57	58	59	60	61	62	63	64
+	65	66	67	68	69	70	71	72
+	73	74	75	76	77	0	0	0
+	0	0	0	0	0	0	0	0
+% \x80
+	0	0	0	0	0	0	0	0
+	0	0	0	0	0	0	0	0
+	0	0	0	0	0	0	0	0
+	0	0	0	0	0	0	0	0
+% \xA0
+	0	1	2	3	4	5	6	7
+	8	0	0	0	0	0	0	0
+	9	10	11	12	13	14	15	16
+	17	18	19	20	21	22	23	24
+% \xC0
+	25	26	27	28	29	30	31	32
+	33	34	35	36	37	38	39	40
+	41	42	43	44	45	46	47	48
+	49	50	51	52	53	54	55	56
+% \xE0
+	57	58	59	60	61	62	63	64
+	65	66	67	68	69	70	71	72
+	73	74	75	76	77	0	0	0
+	0	0	0	0	0	0	0	0
+256 packedarray def
+
+% Define a stub for the base font encoding.
+
+  /KanjiSubEncoding { /KanjiSubEncoding .findencoding } bind def
+%% Replace 3 (gs_ksb_e.ps)
+  EncodingDirectory /KanjiSubEncoding
+   { (gs_ksb_e.ps) //systemdict begin runlibfile KanjiSubEncoding end }
+  bind put
+
+% Support procedures and data.
+
+/T1FontInfo 8 dict begin
+  /version (001.001) readonly def
+  /FullName (KanjiBase) readonly def
+  /FamilyName (KanjiBase) readonly def
+  /Weight (Medium) readonly def
+  /ItalicAngle 0 def
+  /isFixedPitch false def
+  /UnderlinePosition 0 def
+  /UnderlineThickness 0 def
+currentdict end readonly def
+
+/T1NF			% <fontname> T1NF <font>
+{
+20 dict begin
+  /FontName exch def
+  /FontType 1 def
+  /FontInfo T1FontInfo def
+  /FontMatrix [.001 0 0 .001 0 0] def
+  /FontBBox [0 0 1000 1000] def
+  /Encoding KanjiSubEncoding def
+  /CharStrings 150 dict def
+  /PaintType 0 def
+  /Private 2 dict def
+  Private begin
+    /BlueValues [] def
+    /password 5839 def
+  end
+FontName currentdict end definefont
+} def
+
+/T0NF			% <fontname> T0NF <font>
+{
+20 dict begin
+  /FontName exch def
+  /FDepVector exch def
+  /FontType 0 def
+  /FontMatrix [1 0 0 1 0 0] def
+  /FMapType 2 def
+  /Encoding KanjiEncoding def
+FontName currentdict end definefont
+} def
+
+% Define the composite font and all the base fonts.
+
+/CompNF			% <fontname> CompNF <font>
+{
+/newname1 exch def
+newname1 dup length string cvs /str exch def
+str length /len exch def
+/fdepvector 78 array def 
+/j 1 def
+16#21 1 16#74 {
+/i exch def
+KanjiEncoding i get 0 gt {
+len 4 add string /newstr exch def
+newstr 0 str putinterval
+newstr len (.r) putinterval
+newstr len 2 add  i 16 2 string cvrs putinterval
+newstr cvn /newlit exch def
+newlit T1NF /newfont exch def
+fdepvector j newfont put
+/j j 1 add def
+} if
+} for
+fdepvector 0 fdepvector 1 get put
+/j 0 def
+fdepvector newname1 T0NF
+} def
+
+% Define an individual character in a composite font.
+/CompD			% <charstring> <(HL)> CompD -
+ { currentfont /Encoding get 1 index 0 get get	% FDepVector index
+   currentfont /FDepVector get exch get		% base font
+   dup /Encoding get 3 -1 roll 1 get get	% base font character name
+   exch /CharStrings get exch 3 -1 roll put
+ } bind def
+
+exec
diff --git a/pstoraster/gs_ksb_e.ps b/pstoraster/gs_ksb_e.ps
new file mode 100644
index 000000000..e418ea3aa
--- /dev/null
+++ b/pstoraster/gs_ksb_e.ps
@@ -0,0 +1,72 @@
+%    Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_ksb_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the KanjiSub encoding vector.
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/KanjiSubEncoding
+%\x00
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+%\x20
+    /.notdef /c21     /c22     /c23     /c24     /c25     /c26     /c27
+    /c28     /c29     /c2A     /c2B     /c2C     /c2D     /c2E     /c2F
+    /c30     /c31     /c32     /c33     /c34     /c35     /c36     /c37
+    /c38     /c39     /c3A     /c3B     /c3C     /c3D     /c3E     /c3F
+%\x40
+    /c40     /c41     /c42     /c43     /c44     /c45     /c46     /c47
+    /c48     /c49     /c4A     /c4B     /c4C     /c4D     /c4E     /c4F
+    /c50     /c51     /c52     /c53     /c54     /c55     /c56     /c57
+    /c58     /c59     /c5A     /c5B     /c5C     /c5D     /c5E     /c5F
+%\x60
+    /c60     /c61     /c62     /c63     /c64     /c65     /c66     /c67
+    /c68     /c69     /c6A     /c6B     /c6C     /c6D     /c6E     /c6F
+    /c70     /c71     /c72     /c73     /c74     /c75     /c76     /c77
+    /c78     /c79     /c7A     /c7B     /c7C     /c7D     /c7E     /.notdef
+%\x80
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+%\xA0
+    /.notdef /c21     /c22     /c23     /c24     /c25     /c26     /c27
+    /c28     /c29     /c2A     /c2B     /c2C     /c2D     /c2E     /c2F
+    /c30     /c31     /c32     /c33     /c34     /c35     /c36     /c37
+    /c38     /c39     /c3A     /c3B     /c3C     /c3D     /c3E     /c3F
+%\xC0
+    /c40     /c41     /c42     /c43     /c44     /c45     /c46     /c47
+    /c48     /c49     /c4A     /c4B     /c4C     /c4D     /c4E     /c4F
+    /c50     /c51     /c52     /c53     /c54     /c55     /c56     /c57
+    /c58     /c59     /c5A     /c5B     /c5C     /c5D     /c5E     /c5F
+%\xE0
+    /c60     /c61     /c62     /c63     /c64     /c65     /c66     /c67
+    /c68     /c69     /c6A     /c6B     /c6C     /c6D     /c6E     /c6F
+    /c70     /c71     /c72     /c73     /c74     /c75     /c76     /c77
+    /c78     /c79     /c7A     /c7B     /c7C     /c7D     /c7E     /.notdef
+256 packedarray .defineencoding
+exec
diff --git a/pstoraster/gs_lev2.ps b/pstoraster/gs_lev2.ps
new file mode 100644
index 000000000..94c490f8d
--- /dev/null
+++ b/pstoraster/gs_lev2.ps
@@ -0,0 +1,717 @@
+%    Copyright (C) 1990, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_lev2.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for Level 2 functions.
+% When this is run, systemdict is still writable,
+% but (almost) everything defined here goes into level2dict.
+
+level2dict begin
+
+% ------ System and user parameters ------ %
+
+% User parameters must obey save/restore, and must also be maintained
+% per-context.  We implement the former, and some of the latter, here
+% with PostScript code.  NOTE: our implementation assumes that user
+% parameters change only as a result of setuserparams -- that there are
+% no user parameters that are ever changed dynamically by the interpreter
+% (although the interpreter may adjust the value presented to setuserparams)
+%
+% There are two types of user parameters: those which are actually
+% maintained in the interpreter, and those which exist only at the
+% PostScript level.  We maintain the current state of both types in
+% a read-only local dictionary named userparams, defined in systemdict.
+% In a multi-context system, each context has its own copy of this
+% dictionary.  In addition, there is a constant dictionary named
+% psuserparams whose keys are the names of user parameters that exist
+% only in PostScript and whose values are (currently) arbitrary values
+% of the correct datatype: setuserparams uses this for type checking.
+% setuserparams updates userparams explicitly, in addition to setting
+% any user parameters in the interpreter; thus we can use userparams
+% to reset those parameters after a restore or a context switch.
+% NOTE: the name userparams is known to the interpreter, and in fact
+% the interpreter creates the userparams dictionary.
+
+% Check parameters that are managed at the PostScript level.
+% Currently we allow resetting them iff the new value is of the same type.
+/.checksetparams {		% <newdict> <opname> <checkdict>
+				%   .checksetparams <newdict>
+  2 index {
+		% Stack: newdict opname checkdict key newvalue
+    3 copy pop .knownget
+       { type 1 index type ne
+	  { pop pop pop load /typecheck signalerror }
+	 if
+	 dup type /stringtype eq
+	  { dup rcheck not
+	     { pop pop pop load /invalidaccess signalerror }
+	    if
+	  }
+	 if
+       }
+    if pop pop
+  } forall pop pop
+} .bind def	% not odef, shouldn't reset stacks
+
+% currentuser/systemparams creates and returns a dictionary in the
+% current VM.  The easiest way to make this work is to copy any composite
+% PostScript-level parameters to global VM.  Currently, the only such
+% parameters are strings.  In fact, we always copy string parameters,
+% so that we can be sure the contents won't be changed.
+/.copyparam {			% <value> .copyparam <value'>
+  dup type /stringtype eq {
+    .currentglobal true .setglobal
+    1 index length string exch .setglobal
+    copy readonly
+  } if
+} .bind def
+
+% Some user parameters are managed entirely at the PostScript level.
+% We take care of that here.
+systemdict begin
+/psuserparams 40 dict def
+/getuserparam {			% <name> getuserparam <value>
+  /userparams .systemvar 1 index get exch pop
+} odef
+% Fill in userparams (created by the interpreter) with current values.
+mark .currentuserparams
+counttomark 2 idiv {
+  userparams 3 1 roll put
+} repeat pop
+/.definepsuserparam {		% <name> <value> .definepsuserparam -
+  psuserparams 3 copy pop put
+  userparams 3 1 roll put
+} .bind def
+end
+/currentuserparams {		% - currentuserparams <dict>
+  /userparams .systemvar dup length dict .copydict
+} odef
+/setuserparams {		% <dict> setuserparams -
+	% Check that we will be able to set the PostScript-level
+	% user parameters.
+  /setuserparams /psuserparams .systemvar .checksetparams
+	% Set the C-level user params.  If this succeeds, we know that
+	% the password check succeeded.
+  dup .setuserparams
+	% Now set the PostScript-level params.
+	% The interpreter may have adjusted the values of some of the
+	% parameters, so we have to read them back.
+  dup {
+    /userparams .systemvar 2 index known {
+      psuserparams 2 index known not {
+	pop dup .getuserparam
+      } if
+      .copyparam
+      /userparams .systemvar 3 1 roll .forceput  % userparams is read-only
+    } {
+      pop pop
+    } ifelse
+  } forall
+	% A context switch might have occurred during the above loop,
+	% causing the interpreter-level parameters to be reset.
+	% Set them again to the new values.  From here on, we are safe,
+	% since a context switch will consult userparams.
+  .setuserparams
+} .bind odef
+% Initialize user parameters managed here.
+/JobName () .definepsuserparam
+
+% Restore must restore the user parameters.
+% (Since userparams is in local VM, save takes care of saving them.)
+/restore {		% <save> restore -
+  restore /userparams .systemvar .setuserparams
+} .bind odef
+
+% The pssystemparams dictionary holds some system parameters that
+% are managed entirely at the PostScript level.
+systemdict begin
+currentdict /pssystemparams known not {
+  /pssystemparams 40 dict readonly def
+} if
+/getsystemparam {		% <name> getsystemparam <value>
+  //pssystemparams 1 index .knownget { exch pop } { .getsystemparam } ifelse
+} odef
+end
+/currentsystemparams {		% - currentsystemparams <dict>
+  mark .currentsystemparams //pssystemparams { } forall .dicttomark
+} odef
+/setsystemparams {		% <dict> setsystemparams -
+	% Check that we will be able to set the PostScript-level
+	% system parameters.
+   /setsystemparams //pssystemparams .checksetparams
+	% Set the C-level system params.  If this succeeds, we know that
+	% the password check succeeded.
+   dup .setsystemparams
+	% Now set the PostScript-level params.  We must copy local strings
+	% into global VM.
+   dup
+    { //pssystemparams 2 index known
+       {		% Stack: key newvalue
+	 .copyparam
+	 //pssystemparams 3 1 roll .forceput	% pssystemparams is read-only
+       }
+       { pop pop
+       }
+      ifelse
+    }
+   forall pop
+} .bind odef
+
+% Initialize the passwords.
+% NOTE: the names StartJobPassword and SystemParamsPassword are known to
+% the interpreter, and must be bound to noaccess strings.
+% The length of these strings must be max_password (iutil2.h) + 1.
+/StartJobPassword 65 string noaccess def
+/SystemParamsPassword 65 string noaccess def
+
+% Redefine cache parameter setting to interact properly with userparams.
+/setcachelimit {
+  mark /MaxFontItem 2 index .dicttomark setuserparams pop
+} .bind odef
+/setcacheparams {
+	% The MaxFontCache parameter is a system parameter, which we might
+	% not be able to set.  Fortunately, this doesn't matter, because
+	% system parameters don't have to be synchronized between this code
+	% and the VM.
+  counttomark 1 add copy setcacheparams
+  currentcacheparams	% mark size lower upper
+    3 -1 roll pop
+    /MinFontCompress 3 1 roll
+    /MaxFontItem exch
+  .dicttomark setuserparams
+  cleartomark
+} .bind odef
+
+% Add bogus user and system parameters to satisfy badly written PostScript
+% programs that incorrectly assume the existence of all the parameters
+% listed in Appendix C of the Red Book.  Note that some of these may become
+% real parameters later: code near the end of gs_init.ps takes care of
+% removing any such parameters from ps{user,system}params.
+
+psuserparams begin
+  /MaxFormItem 100000 def
+  /MaxPatternItem 20000 def
+  /MaxScreenItem 48000 def
+  /MaxUPathItem 5000 def
+end
+
+pssystemparams begin
+  /CurDisplayList 0 .forcedef
+  /CurFormCache 0 .forcedef
+  /CurOutlineCache 0 .forcedef
+  /CurPatternCache 0 .forcedef
+  /CurUPathCache 0 .forcedef
+  /CurScreenStorage 0 .forcedef
+  /CurSourceList 0 .forcedef
+  /DoPrintErrors false .forcedef
+  /MaxDisplayList 140000 .forcedef
+  /MaxFormCache 100000 .forcedef
+  /MaxOutlineCache 65000 .forcedef
+  /MaxPatternCache 100000 .forcedef
+  /MaxUPathCache 300000 .forcedef
+  /MaxScreenStorage 84000 .forcedef
+  /MaxSourceList 25000 .forcedef
+  /RamSize 4194304 .forcedef
+end
+
+% ------ Miscellaneous ------ %
+
+(<<) cvn			% - << -mark-
+  /mark load def
+(>>) cvn			% -mark- <key1> <value1> ... >> <dict>
+  /.dicttomark load def
+/languagelevel 2 def
+% When running in Level 2 mode, this interpreter is supposed to be
+% compatible with Adobe version 2017.
+/version (2017) readonly def
+
+% If binary tokens are supported by this interpreter,
+% set an appropriate default binary object format.
+/setobjectformat where
+ { pop
+   /RealFormat getsystemparam (IEEE) eq { 1 } { 3 } ifelse
+   /ByteOrder getsystemparam { 1 add } if
+   setobjectformat
+ } if
+
+% ------ Virtual memory ------ %
+
+/currentglobal			% - currentglobal <bool>
+  /currentshared load def
+/gcheck				% <obj> gcheck <bool>
+  /scheck load def
+/setglobal			% <bool> setglobal -
+  /setshared load def
+% We can make the global dictionaries very small, because they auto-expand.
+/globaldict currentdict /shareddict .knownget not { 4 dict } if def
+/GlobalFontDirectory SharedFontDirectory def
+
+% VMReclaim and VMThreshold are user parameters.
+/setvmthreshold {		% <int> setvmthreshold -
+  mark /VMThreshold 2 index .dicttomark setuserparams pop
+} odef
+/vmreclaim {			% <int> vmreclaim -
+  dup 0 gt {
+    .vmreclaim
+  } {
+    mark /VMReclaim 2 index .dicttomark setuserparams pop
+  } ifelse
+} odef
+-1 setvmthreshold
+
+% ------ IODevices ------ %
+
+/.getdevparams where {
+  pop /currentdevparams {	% <iodevice> currentdevparams <dict>
+    .getdevparams .dicttomark
+  } odef
+} if
+/.putdevparams where {
+  pop /setdevparams {		% <iodevice> <dict> setdevparams -
+    mark 1 index { } forall counttomark 2 add index
+    .putdevparams pop pop
+  } odef
+} if
+
+% ------ Job control ------ %
+
+serverdict begin
+
+% We could protect the job information better, but we aren't attempting
+% (currently) to protect ourselves against maliciousness.
+
+/.jobsave null def		% top-level save object
+/.jobsavelevel 0 def		% save depth of job (0 if .jobsave is null,
+				% 1 otherwise)
+/.adminjob true def		% status of current unencapsulated job
+
+end		% serverdict
+
+% Because there may be objects on the e-stack created since the job save,
+% we have to clear the e-stack before doing the end-of-job restore.
+% We do this by executing a 2 .stop, which is caught by the 2 .stopped
+% in .runexec; we leave on the o-stack a procedure to execute aftewards.
+%
+%**************** The definition of startjob is not complete yet, since
+% it doesn't reset stdin/stdout.
+/.startnewjob {			% <exit_bool> <password_level>
+				%   .startnewjob -
+    serverdict /.jobsave get dup null eq { pop } { restore } ifelse
+    exch {
+			% Unencapsulated job
+      serverdict /.jobsave null put
+      serverdict /.jobsavelevel 0 put
+      serverdict /.adminjob 3 -1 roll 1 gt put
+		% The Adobe documentation doesn't say what happens to the
+		% graphics state stack in this case, but an experiment
+		% produced results suggesting that a grestoreall occurs.
+      grestoreall
+    } {
+			% Encapsulated job
+      pop
+      serverdict /.jobsave save put
+      serverdict /.jobsavelevel 1 put
+      .userdict /quit /stop load put
+    } ifelse
+		% Reset the interpreter state.
+  clear cleardictstack
+  initgraphics
+  false setglobal
+} bind def
+/.startjob {			% <exit_bool> <password> <finish_proc>
+				%   .startjob <ok_bool>
+  vmstatus pop pop serverdict /.jobsavelevel get eq
+  2 index .checkpassword 0 gt and {
+    exch .checkpassword exch count 3 roll count 3 sub { pop } repeat
+    cleardictstack
+		% Reset the e-stack back to the 2 .stopped in .runexec,
+		% passing the finish_proc to be executed afterwards.
+    2 .stop
+  } {		% Password check failed
+    pop pop pop false
+  } ifelse
+} odef
+/startjob {			% <exit_bool> <password> startjob <ok_bool>
+  { .startnewjob true } .startjob
+} odef
+
+systemdict begin
+/quit {				% - quit -
+  //systemdict begin serverdict /.jobsave get null eq
+   { end //quit }
+   { /quit load /invalidaccess /signalerror load end exec }
+  ifelse
+} bind odef
+end
+
+% We would like to define exitserver as a procedure, using the code
+% that the Red Book says is equivalent to it.  However, since startjob
+% resets the exec stack, we can't do this, because control would never
+% proceed past the call on startjob if the exitserver is successful.
+% Instead, we need to construct exitserver out of pieces of startjob.
+
+serverdict begin
+
+/exitserver {			% <password> exitserver -
+  true exch { .startnewjob } .startjob not {
+    /exitserver /invalidaccess signalerror
+  } if
+} bind def
+
+end		% serverdict
+
+% ------ Compatibility ------ %
+
+% In Level 2 mode, the following replace the definitions that gs_statd.ps
+% installs in statusdict and serverdict.
+% Note that statusdict must be allocated in local VM.
+% We don't bother with many of these yet.
+
+/.dict1 { exch mark 3 1 roll .dicttomark } bind def
+
+currentglobal false setglobal 25 dict exch setglobal begin
+currentsystemparams
+
+% The following do not depend on the presence of setpagedevice.
+/buildtime 1 index /BuildTime get def
+/byteorder 1 index /ByteOrder get def
+/checkpassword { .checkpassword 0 gt } bind def
+dup /DoStartPage known
+ { /dostartpage { /DoStartPage getsystemparam } bind def
+   /setdostartpage { /DoStartPage .dict1 setsystemparams } bind def
+ } if
+dup /StartupMode known
+ { /dosysstart { /StartupMode getsystemparam 0 ne } bind def
+   /setdosysstart { { 1 } { 0 } ifelse /StartupMode .dict1 setsystemparams } bind def
+ } if
+%****** Setting jobname is supposed to set userparams.JobName, too.
+/jobname { /JobName getuserparam } bind def
+/jobtimeout { /JobTimeout getuserparam } bind def
+/ramsize { /RamSize getsystemparam } bind def
+/realformat 1 index /RealFormat get def
+dup /PrinterName known
+ { /setprintername { /PrinterName .dict1 setsystemparams } bind def
+ } if
+/printername
+ { currentsystemparams /PrinterName .knownget not { () } if exch copy
+ } bind def
+currentuserparams /WaitTimeout known
+ { /waittimeout { /WaitTimeout getuserparam } bind def
+ } if
+
+% The following do require setpagedevice.
+/.setpagedevice where { pop } { (%END PAGEDEVICE) .skipeof } ifelse
+/defaulttimeouts
+ { currentsystemparams dup
+   /JobTimeout .knownget not { 0 } if
+   exch /WaitTimeout .knownget not { 0 } if
+   currentpagedevice /ManualFeedTimeout .knownget not { 0 } if
+ } bind def
+/margins
+ { currentpagedevice /Margins .knownget { exch } { [0 0] } ifelse
+ } bind def
+/pagemargin
+ { currentpagedevice /PageOffset .knownget { 0 get } { 0 } ifelse
+ } bind def
+/pageparams
+ { currentpagedevice
+   dup /Orientation .knownget { 1 and ORIENT1 { 1 xor } if } { 0 } ifelse exch
+   dup /PageSize get aload pop 3 index 0 ne { exch } if 3 2 roll
+   /PageOffset .knownget { 0 get } { 0 } ifelse 4 -1 roll
+ } bind def
+/setdefaulttimeouts
+ { exch mark /ManualFeedTimeout 3 -1 roll
+   /Policies mark /ManualFeedTimeout 1 .dicttomark
+   .dicttomark setpagedevice
+   /WaitTimeout exch mark /JobTimeout 5 2 roll .dicttomark setsystemparams
+ } bind def
+/.setpagesize { 2 array astore /PageSize .dict1 setpagedevice } bind def
+/setduplexmode { /Duplex .dict1 setpagedevice } bind def
+/setmargins
+ { exch 2 array astore /Margins .dict1 setpagedevice
+ } bind def
+/setpagemargin { 0 2 array astore /PageOffset .dict1 setpagedevice } bind def
+/setpageparams
+ { mark /PageSize 6 -2 roll
+   4 index 1 and ORIENT1 { 1 } { 0 } ifelse ne { exch } if 2 array astore
+   /Orientation 5 -1 roll ORIENT1 { 1 xor } if
+   /PageOffset counttomark 2 add -1 roll 0 2 array astore
+   .dicttomark setpagedevice
+ } bind def
+/setresolution
+ { dup 2 array astore /HWResolution .dict1 setpagedevice
+ } bind def
+%END PAGEDEVICE
+
+% The following are not implemented yet.
+%manualfeed
+%manualfeedtimeout
+%pagecount
+%pagestackorder
+%setpagestackorder
+
+pop		% currentsystemparams
+
+% Flag the current dictionary so it will be swapped when we
+% change language levels.  (See zmisc2.c for more information.)
+/statusdict currentdict def
+
+currentdict end
+/statusdict exch .forcedef	% statusdict is local, systemdict is global
+
+% ------ Color spaces ------ %
+
+% Define the setcolorspace procedures:
+%	<colorspace> proc <colorspace'|null>
+/colorspacedict mark
+  /DeviceGray { pop 0 setgray null } bind
+  /DeviceRGB { pop 0 0 0 setrgbcolor null } bind
+  /setcmykcolor where
+   { pop /DeviceCMYK { pop 0 0 0 1 setcmykcolor null } bind
+   } if
+  /.setcieaspace where
+   { pop /CIEBasedA { NOCIE { pop 0 setgray null } { dup 1 get .setcieaspace } ifelse } bind
+   } if
+  /.setcieabcspace where
+   { pop /CIEBasedABC { NOCIE { pop 0 0 0 setrgbcolor null } { dup 1 get .setcieabcspace } ifelse } bind
+   } if
+  /.setciedefspace where
+   { pop /CIEBasedDEF { NOCIE { pop 0 0 0 setrgbcolor null } { dup 1 get .setciedefspace } ifelse } bind
+   } if
+  /.setciedefgspace where
+   { pop /CIEBasedDEFG { NOCIE { pop 0 0 0 1 setcmykcolor null } { dup 1 get .setciedefgspace } ifelse } bind
+   } if
+  /.setseparationspace where
+   { pop /Separation { dup 2 get setcolorspace dup .setseparationspace } bind
+   } if
+  /.setindexedspace where
+   { pop /Indexed { dup 1 get setcolorspace dup .setindexedspace } bind
+   } if
+  /.nullpatternspace [/Pattern] readonly def
+  /.setpatternspace where
+   { pop /Pattern
+      { dup type /nametype eq { pop //.nullpatternspace } if
+	dup length 1 gt { dup 1 get setcolorspace } if
+        dup .setpatternspace
+      } bind
+   } if
+  /.setdevicenspace where
+   { pop /DeviceN { dup 2 get setcolorspace dup .setdevicenspace } bind
+   } if
+  /.setdevicepixelspace where
+   { pop /DevicePixel { dup .setdevicepixelspace } bind
+   } if
+  currentdict /.nullpatternspace .undef
+.dicttomark def
+
+/.devcs [
+  /DeviceGray /DeviceRGB /DeviceCMYK /DevicePixel
+] readonly def
+/currentcolorspace {		% - currentcolorspace <array>
+  .currentcolorspace dup type /integertype eq {
+    //.devcs exch 1 getinterval
+  } if
+} odef
+currentdict /.devcs .undef
+
+/setcolorspace {		% <name|array> setcolorspace -
+  dup dup dup type /nametype ne { 0 get } if
+  //colorspacedict exch get exec
+  dup null eq { pop } { .setcolorspace } ifelse pop
+} odef
+
+% ------ CIE color rendering ------ %
+
+% Define findcolorrendering and a default ColorRendering ProcSet.
+
+/findcolorrendering {		% <intentname> findcolorrendering
+				%   <crdname> <found>
+  /ColorRendering /ProcSet findresource
+  1 index .namestring (.) concatstrings
+  1 index /GetPageDeviceName get exec .namestring (.) concatstrings
+  2 index /GetHalftoneName get exec .namestring
+  concatstrings concatstrings
+  dup /ColorRendering resourcestatus {
+    pop pop exch pop exch pop true
+  } {
+    pop /GetSubstituteCRD get exec false
+  } ifelse
+} odef
+
+5 dict dup begin
+
+/GetPageDeviceName {		% - GetPageDeviceName <name>
+  currentpagedevice dup /PageDeviceName .knownget {
+    exch pop
+  } {
+    pop /none
+  } ifelse
+} bind def
+
+/GetHalftoneName {		% - GetHalftoneName <name>
+  currenthalftone /HalftoneName .knownget not { /none } if
+} bind def
+
+/GetSubstituteCRD {		% <intentname> GetSubstituteCRD <crdname>
+  pop /DefaultColorRendering
+} bind def
+
+end
+% The resource machinery hasn't been activated, so just save the ProcSet
+% and let .fixresources finish the installation process.
+/ColorRendering exch def
+
+% Define setcolorrendering.
+
+/.colorrenderingtypes 5 dict def
+
+/setcolorrendering {		% <crd> setcolorrendering -
+  dup /ColorRenderingType get //.colorrenderingtypes exch get exec
+} odef
+
+/.setcolorrendering1 where { pop } { (%END CRD) .skipeof } ifelse
+
+.colorrenderingtypes 1 {
+  dup .buildcolorrendering1 .setcolorrendering1
+} .bind put
+
+% Initialize the default CIE rendering dictionary.
+% The most common CIE files seem to assume the "calibrated RGB color space"
+% described on p. 189 of the PostScript Language Reference Manual,
+% 2nd Edition; we simply invert this transformation back to RGB.
+mark
+   /ColorRenderingType 1
+% We must make RangePQR and RangeLMN large enough so that values computed by
+% the assumed encoding MatrixLMN don't get clamped.
+   /RangePQR [0 0.9505 0 1 0 1.0890] readonly
+   /TransformPQR
+     [ {exch pop exch pop exch pop exch pop} bind dup dup ] readonly
+   /RangeLMN [0 0.9505 0 1 0 1.0890] readonly
+   /MatrixABC
+    [ 3.24063 -0.96893  0.05571
+     -1.53721  1.87576 -0.20402
+     -0.49863  0.04152  1.05700
+    ] readonly
+   /EncodeABC [ {0 .max 0.45 exp} bind dup dup] readonly
+   /WhitePoint [0.9505 1 1.0890] readonly
+	% Some Genoa tests seem to require the presence of BlackPoint.
+   /BlackPoint [0 0 0] readonly
+.dicttomark setcolorrendering
+
+%END CRD
+
+% Initialize a CIEBased color space for sRGB.
+/CIEsRGB [ /CIEBasedABC
+  mark
+    /DecodeLMN [ {
+      dup 0.03928 le { 12.92321 div } { 0.055 add 1.055 div 2.4 exp } ifelse
+    } bind dup dup ] readonly
+    /MatrixLMN [
+      0.412457 0.212673 0.019334
+      0.357576 0.715152 0.119192
+      0.180437 0.072175 0.950301
+    ] readonly
+    /WhitePoint [0.9505 1.0 1.0890] readonly
+  .dicttomark readonly
+] readonly def
+
+% ------ Painting ------ %
+
+% A straightforward definition of execform that doesn't actually
+% do any caching.
+/.execform1 {
+	% This is a separate operator so that the stacks will be restored
+	% properly if an error occurs.
+  dup /Matrix get concat
+  dup /BBox get aload pop
+  exch 3 index sub exch 2 index sub rectclip
+  dup /PaintProc get
+  1 index /Implementation known not {
+    1 index dup /Implementation null .forceput readonly pop
+  } if
+  exec
+} .bind odef	% must bind .forceput
+
+/.formtypes 5 dict
+  dup 1 /.execform1 load put
+def
+
+/execform {			% <form> execform -
+  gsave {
+    dup /FormType get //.formtypes exch get exec
+  } stopped grestore { stop } if
+} odef
+
+/.patterntypes 5 dict
+  dup 1 /.buildpattern1 load put
+def
+
+/makepattern {			% <proto_dict> <matrix> makepattern <pattern>
+  //.patterntypes 2 index /PatternType get get
+  .currentglobal false .setglobal exch
+		% Stack: proto matrix global buildproc
+  3 index dup length 1 add dict .copydict
+  3 index 3 -1 roll exec 3 -1 roll .setglobal
+  1 index /Implementation 3 -1 roll put
+  readonly exch pop exch pop
+} odef
+
+/setpattern {			% [<comp1> ...] <pattern> setpattern -
+  currentcolorspace 0 get /Pattern ne {
+    [ /Pattern currentcolorspace ] setcolorspace
+  } if setcolor
+} odef
+
+% Extend image and imagemask to accept dictionaries.
+% We must create .imagetypes and .imagemasktypes outside level2dict,
+% and leave some extra space because we're still in Level 1 mode.
+systemdict begin
+/.imagetypes 5 dict
+  dup 1 /.image1 load put
+def
+/.imagemasktypes 5 dict
+  dup 1 /.imagemask1 load put
+def
+end
+
+/.image /image load def
+/image {
+  dup type /dicttype eq {
+    dup /ImageType get //.imagetypes exch get exec
+  } {
+    //.image
+  } ifelse
+} odef
+currentdict /.image undef
+
+/.imagemask /imagemask load def
+/imagemask {
+  dup type /dicttype eq {
+    dup /ImageType get //.imagemasktypes exch get exec
+  } {
+    //.imagemask
+  } ifelse
+} odef
+currentdict /.imagemask undef
+
+end				% level2dict
diff --git a/pstoraster/gs_ll3.ps b/pstoraster/gs_ll3.ps
new file mode 100644
index 000000000..acf701ec6
--- /dev/null
+++ b/pstoraster/gs_ll3.ps
@@ -0,0 +1,387 @@
+%    Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_ll3.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for PostScript LanguageLevel 3 functions.
+% Essentially all of these are stubs right now.
+% This file must be loaded after gs_lev2.ps and gs_res.ps.
+% These definitions go into ll3dict or various ProcSets.
+% NOTE: the interpreter creates ll3dict.
+
+ll3dict begin
+
+% We need LanguageLevel 2 or higher in order to have setuserparams and
+% defineresource.
+languagelevel dup 2 max .setlanguagelevel
+
+% ------ Idiom recognition ------ %
+
+/IdiomRecognition false .definepsuserparam
+
+% Modify `bind' to apply idiom recognition afterwards.
+/.bindscratch 128 string def
+% Do the right thing if NOBIND or DELAYBIND is in effect.
+% Note also that since this definition of `bind' may get bound in,
+% it has to function properly even at lower language levels,
+% where IdiomRecognition may not be defined.
+/bind load /.bind load ne
+/bind {		% <proc> bind <proc'>
+  //.bind currentuserparams /IdiomRecognition
+  .knownget not { false } if {
+    (*) {
+      /IdiomSet findresource
+      false exch {
+		% Stack: proc false dummykey [template substitute]
+	exch pop dup 1 get exch 0 get
+		% Stack: proc false substitute template
+	3 index .eqproc {
+	  2 index gcheck 1 index gcheck not and {
+	    pop
+	  } {
+	    3 -1 roll pop exch not exit
+	  } ifelse
+	} {
+	  pop
+	} ifelse
+      } forall { exit } if
+    } //.bindscratch /IdiomSet resourceforall
+  } if
+} odef
+{ /.bind /bind load def
+  /bind { } def
+} if
+currentdict /.bindscratch .undef
+
+% ------ HalftoneTypes 6, 10, 16 ------ %
+
+% This code depends on one new operator:
+%
+%	<dict> <Width> <Height> <Thresholds> <bits> <shift> .setstriphalftone -
+%
+% <dict> is the dictionary that will be returned by .currenthalftone.
+%   The operator only looks at the TransferFunction entry.
+% Width, Height: as for HalftoneType 3.
+% Thresholds: a BigStringEncode filter holding the thresholds,
+%   Width x Height x BitsPerSample / 8 bytes.
+% shift: the amount of X shift per Y repetition of the halftone,
+%   0 <= Shift < Width.
+% bits: bits per sample, 8 or 16.
+%
+% Eventually the code below will have to get hooked up to sethalftone
+% and currenthalftone....
+
+/.copybytes {		% <source> <dest> <count> .copybytes -
+  { 1 index read not { /sethalftone load /rangecheck signalerror exit } if
+    1 index exch write
+  } repeat pop pop
+} bind def
+
+/.copythresholds {	% <dict> <Width> <Height> <bits> .copythresholds -
+  dup 8 idiv 3 index mul 2 index mul
+  dup /BigStringEncode filter 3 1 roll
+			% Stack: dict width height dest bits nbytes
+  5 index /Thresholds get 3 index 3 -1 roll .copybytes
+  1 index closefile
+  0 .setstriphalftone
+} bind def
+
+/.sethalftone6 {	% <dict> .sethalftone6 -
+			% Keys: Width, Height, Thresholds, T'Function
+  dup /Width get 1 index /Height get
+  8 .copythresholds
+} odef
+
+/.copythresholds2 {	% <dict> <Width> <Height> <Width2> <Height2>
+			%   <bits> .copythresholds2 -
+% The block height B is gcd(Height, Height2).
+  3 index 2 index {
+    2 copy lt { exch } if dup 1 eq { pop exit } if exch 1 index mod
+  } loop
+% The raster R is (Width * Height + Width2 * Height2) / B * bits/8.
+  5 index 5 index mul 4 index 4 index mul add 1 index idiv
+  2 index 8 idiv mul
+% Currently I don't know how to compute the stride.
+% ****** COMPUTE THE STRIDE SOMEHOW ******
+% Push additional arguments onto the stack.
+  1 index 1 index mul /BigStringEncode filter 4 1 roll
+  9 index /Thresholds get
+			% Stack: dict width height width2 height2 bits
+			%   dest B R stride source
+% For the first rectangle, the number of blocks is Height / B;
+% the offset is 0.
+  5 copy 14 index 5 1 roll
+  14 index 5 index idiv 4 1 roll
+  0 exch .copyshifted
+% For the second rectangle, the number of blocks is Height2 / B;
+% the offset is Width.
+  5 copy 12 index 5 1 roll
+  12 index 4 index idiv 4 1 roll
+  16 index exch .copyshifted
+			% Stack: dict width height width2 height2 bits
+			%   dest B R stride source
+			% We want: dict R/(bits/8) B dest bits stride
+  pop exch 4 index 8 idiv idiv 4 1 roll
+			%   R/(bits/8) dest B stride
+  exch 3 1 roll 5 -1 roll exch
+  9 -4 roll 4 { pop } repeat
+  .setstriphalftone
+} bind def
+
+% Copy a shifted rectangular threshold array into a BigStringEncode filter.
+% Note that the width and shift are in bytes, not samples.
+/.copyshifted {		% <dest> <width> <B> <N> <R> <stride> <offset>
+			%   <source> .copyshifted -
+% Copy N blocks of <width> x B bytes from <source>.
+% Row Y (0 <= Y < B) in group G (0 <= G < N) must get copied to byte position
+%	Y * R + (G * stride + offset) mod R
+% in the destination.
+  1 index		% Stack: ... rowstart
+  6 index {		% iterate over rows within a block
+    5 index {		% iterate over blocks
+      8 index 1 index setfileposition
+      1 index 9 index 9 index .copybytes
+      4 index add	% + raster
+    } repeat		% end block
+    3 index add 4 index mod	% + stride, mod raster
+  } repeat		% end row in block
+  9 { pop } repeat
+} bind def
+
+/.sethalftone10 {	% <dict> .sethalftone10 -
+			% Keys: XSquare, YSquare, Thresholds, T'Function
+% ****** DOESN'T HANDLE STRING SOURCE ******
+  dup /XSquare get dup 2 index /YSquare get dup
+  8 .copythresholds2
+} odef
+
+/.sethalftone16 {	% <dict> .sethalftone16 -
+			% Keys: Width, Height, Width2, Height2,
+			%   Thresholds, T'Function
+  dup /Width get 1 index /Height get
+  2 index /Width2 .knownget {  % 2-rectangle case
+    3 index /Height2 get
+    16 .copythresholds2
+  } {			% 1-rectangle case
+    16 .copythresholds
+  } ifelse
+} odef
+
+{6 10 16} { dup /HalftoneType defineresource pop } forall
+
+% ------ ImageTypes 3 and 4 (masked images) ------ %
+
+.imagetypes
+  dup 3 /.image3 load put
+  4 /.image4 load put
+
+% ------ Functions ------ %
+
+% Define the FunctionType resource category.
+/Generic /Category findresource dup maxlength 3 add dict .copydict begin
+  /InstanceType /integertype def
+/FunctionType currentdict end /Category defineresource pop
+
+{0 2 3} { dup /FunctionType defineresource pop } forall
+
+% ------ Smooth shading ------ %
+
+% Define the ShadingType resource category.
+/Generic /Category findresource dup maxlength 3 add dict .copydict begin
+  /InstanceType /integertype def
+/ShadingType currentdict end /Category defineresource pop
+
+systemdict /.shadingtypes mark		% not ll3dict
+  1 /.buildshading1 load
+  2 /.buildshading2 load
+  3 /.buildshading3 load
+  4 /.buildshading4 load
+  5 /.buildshading5 load
+  6 /.buildshading6 load
+  7 /.buildshading7 load
+.dicttomark put
+
+/.buildshading {	% <shadingdict> .buildshading <shading>
+	% The .buildshading operators use the current color space
+	% for ColorSpace.
+  dup /ShadingType get //.shadingtypes exch get
+  1 index /ColorSpace get gsave { setcolorspace exec } stopped
+  grestore { stop } if
+} bind def
+/.buildpattern2 {	% <template> <matrix> .buildpattern2
+			%   <template> <pattern>
+  1 index /Shading get .buildshading .buildshadingpattern
+} bind def
+
+.patterntypes
+  2 /.buildpattern2 load put
+
+/shfill {		% <shadingdict> shfill -
+	% Currently, .shfill requires that the color space
+	% in the pattern be the current color space.
+  dup .buildshading
+  1 index /ColorSpace get
+  gsave { setcolorspace .shfill } stopped grestore { stop } if
+  pop
+} odef
+
+% Establish an arbitrary initial smoothness value.
+1 64 div setsmoothness
+
+% ------ Trapping ------ %
+
+% The PostScript-level trapping parameters are maintained in userdict,
+% and explicitly reinstalled upon restore.
+
+/Trapping mark
+
+/settrapparams dup {		% <paramdict> settrapparams -
+  /.trapparams .uservar dup length dict .copydict
+  dup 2 index {
+			% Stack: paramdict olddict olddict key value
+    2 index 2 index known { put dup } { pop pop } ifelse
+  } forall pop
+  dup .settrapparams	% Let the operator check parameter validity.
+  .userdict /.trapparams 3 -1 roll put pop
+} bind .makeoperator
+
+/.copyparams {		% <obj> .copyparams <obj'>
+  dup type /dicttype eq {
+    dup length dict .copydict
+    dup {
+      .copyparams 3 copy put pop pop
+    } forall
+  } {
+    dup type /arraytype eq {
+      [ exch { .copyparams } forall ]
+    } if
+  } ifelse
+} odef
+
+/currenttrapparams dup {	% - currenttrapparams <paramdict>
+  /.trapparams .uservar .copyparams
+} bind .makeoperator
+
+/settrapzone dup {		% - settrapzone -
+	% ****** DUMMY ******
+  newpath
+} bind .makeoperator
+
+% Define initial (dummy) trapping parameters.
+% These values are mostly complete guesses.
+userdict /.trapparams mark
+  /BlackColorLimit 1.0
+  /BlackDensityLimit 1.0
+  /BlackWidth 1.0
+  /ColorantZoneDetails 0 dict
+  /Enabled true
+  /HalftoneName null
+  /ImageInternalTrapping false
+  /ImageResolution 1
+  /ImageToObjectTrapping true
+  /ImageTrapPlacement /Center
+  /SlidingTrapLimit 1.0
+  /StepLimit 1.0
+  /TrapColorScaling 0.0
+  /TrapSetName null
+  /TrapWidth 1.0
+.dicttomark readonly put
+
+.dicttomark /ProcSet defineresource pop
+
+% ------ Miscellaneous ------ %
+
+% Define additional user and system parameters.
+psuserparams begin
+  /HalftoneMode 0 def
+  /MaxSuperScreen 1016 def
+end
+pssystemparams begin		% read-only, so use .forcedef
+  /MaxDisplayAndSourceList 160000 .forcedef
+end
+
+% Define the IdiomSet, InkParams, and TrapParams resource categories.
+{ /IdiomSet /InkParams /TrapParams } {
+  /Generic /Category findresource dup maxlength 3 add dict .copydict begin
+    /InstanceType /dicttype def
+  currentdict end /Category defineresource pop
+} forall
+
+% Define the ReusableStreamDecode filter.
+% ****** DOESN'T WORK FOR CONTENTS >64K ******
+/.reusablestreamdecode {	% <source> <dict> .reusablestreamdecode <file>
+				% <source> .reusablestreamdecode <file>
+		% Collect the filter parameters.
+  dup type /dicttype eq { 2 copy } { dup 0 dict } ifelse
+  dup .rsdparams
+		% Construct the filter pipeline.
+		% The very first filter should use the value of CloseSource
+		% from the RSD dictionary; all the others should have
+		% CloseSource = true.
+		% Stack: source dict filters parms
+  2 index /CloseSource .knownget not { false } if 5 -1 roll
+		% Stack: dict filters parms CloseSource source
+  0 1 5 index length 1 sub {
+    4 index 1 index get
+		% Stack: dict filters parms CloseSource source index filtname
+    4 index null eq {
+      0 dict
+    } {
+      4 index 2 index get dup null eq { pop } if
+    } ifelse
+    3 -1 roll pop filter
+    exch pop true exch		% set CloseSource for further filters
+  } for
+		% See if we can create the filter directly.
+		% Stack: dict filters parms CloseSource file
+  null 2 index { .reusablestream } .internalstopped {
+    pop pop
+		% No luck.  Read the entire contents of the stream now.
+    10 dict exch {
+		% Stack: dict filters parms CloseSource contdict file
+      dup 1000 string readstring
+      3 index dup length 4 -1 roll put not { break } if
+    } loop pop
+		% Concatenate the contents into one big string.
+		% Stack: dict filters parms CloseSource contdict
+    0 1 index { length exch pop add } forall string
+    exch {
+		% Stack: dict filters parms CloseSource string index substring
+      exch 1000 mul exch 2 index 3 1 roll putinterval
+    } forall
+		% Now create the stream on the string.
+    null 3 -1 roll .reusablestream
+  } if
+		% We created the stream successfully: clean up.
+  4 { exch pop } repeat
+  dup type /dicttype eq { pop } if pop
+} odef
+filterdict /ReusableStreamDecode /.reusablestreamdecode load put
+
+/languagelevel 3 def
+% When running in LanguageLevel 3 mode, this interpreter is supposed to be
+% compatible with Adobe version 3010.
+/version (3010) readonly def
+
+.setlanguagelevel
+
+end			% ll3dict
diff --git a/pstoraster/gs_mex_e.ps b/pstoraster/gs_mex_e.ps
new file mode 100644
index 000000000..7724de22d
--- /dev/null
+++ b/pstoraster/gs_mex_e.ps
@@ -0,0 +1,72 @@
+%    Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_mex_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the MacExpert encoding vector.
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/MacExpertEncoding
+% \00x
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+% \04x
+    /space /exclamsmall /Hungarumlautsmall /centoldstyle /dollaroldstyle /dollarsuperior /ampersandsmall /Acutesmall
+    /parenleftsuperior /parenrightsuperior /twodotenleader /onedotenleader /comma /hyphen /period /fraction
+    /zerooldstyle /oneoldstyle /twooldstyle /threeoldstyle /fouroldstyle /fiveoldstyle /sixoldstyle /sevenoldstyle
+    /eightoldstyle /nineoldstyle /colon /semicolon /.notdef /threequartersemdash /.notdef /questionsmall
+% \10x
+    /.notdef /.notdef /.notdef /.notdef /Ethsmall /.notdef /.notdef /onequarter
+    /onehalf /threequarters /oneeighth /threeeighths /fiveeighths /seveneighths /onethird /twothirds
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /ff /fi
+    /fl /ffi /ffl /parenleftinferior /.notdef /parenrightinferior /Circumflexsmall /hypheninferior
+% \14x
+    /Gravesmall /Asmall /Bsmall /Csmall /Dsmall /Esmall /Fsmall /Gsmall
+    /Hsmall /Ismall /Jsmall /Ksmall /Lsmall /Msmall /Nsmall /Osmall
+    /Psmall /Qsmall /Rsmall /Ssmall /Tsmall /Usmall /Vsmall /Wsmall
+    /Xsmall /Ysmall /Zsmall /colonmonetary /onefitted /rupiah /Tildesmall /.notdef
+% \20x
+    /.notdef /asuperior /centsuperior /.notdef /.notdef /.notdef /.notdef /Aacutesmall
+    /Agravesmall /Acircumflexsmall /Adieresissmall /Atildesmall /Aringsmall /Ccedillasmall /Eacutesmall /Egravesmall
+    /Ecircumflexsmall /Edieresissmall /Iacutesmall /Igravesmall /Icircumflexsmall /Idieresissmall /Ntildesmall /Oacutesmall
+    /Ogravesmall /Ocircumflexsmall /Odieresissmall /Otildesmall /Uacutesmall /Ugravesmall /Ucircumflexsmall /Udieresissmall
+% \24x
+    /.notdef /eightsuperior /fourinferior /threeinferior /sixinferior /eightinferior /seveninferior /Scaronsmall
+    /.notdef /centinferior /twoinferior /.notdef /Dieresissmall /.notdef /Caronsmall /osuperior
+    /fiveinferior /.notdef /commainferior /periodinferior /Yacutesmall /.notdef /dollarinferior /.notdef
+    /.notdef /Thornsmall /.notdef /nineinferior /zeroinferior /Zcaronsmall /AEsmall /Oslashsmall
+% \30x
+    /questiondownsmall /oneinferior /Lslashsmall /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /Cedillasmall /.notdef /.notdef /.notdef /.notdef /.notdef /OEsmall
+    /figuredash /hyphensuperior /.notdef /.notdef /.notdef /.notdef /exclamdownsmall /.notdef
+    /Ydieresissmall /.notdef /onesuperior /twosuperior /threesuperior /foursuperior /fivesuperior /sixsuperior
+% \34x
+    /sevensuperior /ninesuperior /zerosuperior /.notdef /esuperior /rsuperior /tsuperior /.notdef
+    /.notdef /isuperior /ssuperior /dsuperior /.notdef /.notdef /.notdef /.notdef
+    /.notdef /lsuperior /Ogoneksmall /Brevesmall /Macronsmall /bsuperior /nsuperior /msuperior
+    /commasuperior /periodsuperior /Dotaccentsmall /Ringsmall /.notdef /.notdef /.notdef /.notdef
+256 packedarray .defineencoding
+exec
diff --git a/pstoraster/gs_mro_e.ps b/pstoraster/gs_mro_e.ps
new file mode 100644
index 000000000..87fdf896f
--- /dev/null
+++ b/pstoraster/gs_mro_e.ps
@@ -0,0 +1,65 @@
+%    Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_mro_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the MacRoman encoding vector.
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/MacRomanEncoding
+StandardEncoding 0 39 getinterval aload pop
+    /quotesingle
+StandardEncoding 40 56 getinterval aload pop
+    /grave
+StandardEncoding 97 31 getinterval aload pop
+% \20x
+    /Adieresis /Aring /Ccedilla /Eacute /Ntilde /Odieresis /Udieresis /aacute
+    /agrave /acircumflex /adieresis /atilde /aring /ccedilla /eacute /egrave
+    /ecircumflex /edieresis /iacute /igrave
+	/icircumflex /idieresis /ntilde /oacute
+    /ograve /ocircumflex /odieresis /otilde
+	/uacute /ugrave /ucircumflex /udieresis
+% \24x
+    /dagger /degree /cent /sterling /section /bullet /paragraph /germandbls
+    /registered /copyright /trademark /acute /dieresis /.notdef /AE /Oslash
+    /.notdef /plusminus /.notdef /.notdef /yen /mu /.notdef /.notdef
+    /.notdef /.notdef /.notdef /ordfeminine /ordmasculine /.notdef /ae /oslash
+% \30x
+    /questiondown /exclamdown /logicalnot /.notdef
+	/florin /.notdef /.notdef /guillemotleft
+    /guillemotright /ellipsis /space /Agrave /Atilde /Otilde /OE /oe
+    /endash /emdash /quotedblleft /quotedblright
+	/quoteleft /quoteright /divide /.notdef
+    /ydieresis /Ydieresis /fraction /currency
+	/guilsingleft /guilsingright /fi /fl
+% \34x
+    /daggerdbl /periodcentered /quotesinglbase /quotedblbase
+	/perthousand /Acircumflex /Ecircumflex /Aacute
+    /Edieresis /Egrave /Iacute /Icircumflex
+	/Idieresis /Igrave /Oacute /Ocircumflex
+    /.notdef /Ograve /Uacute /Ucircumflex
+	/Ugrave /dotlessi /circumflex /tilde
+    /macron /breve /dotaccent /ring /cedilla /hungarumlaut /ogonek /caron
+256 packedarray .defineencoding
+exec
diff --git a/pstoraster/gs_pfile.ps b/pstoraster/gs_pfile.ps
new file mode 100644
index 000000000..6720cd935
--- /dev/null
+++ b/pstoraster/gs_pfile.ps
@@ -0,0 +1,135 @@
+%    Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_pfile.ps 956 2000-03-08 23:15:43Z mike $
+% Runtime support for minimum-space fonts and packed files.
+
+% ****** NOTE: This file must be kept consistent with
+% ****** packfile.ps and wrfont.ps.
+
+% ---------------- Packed file support ---------------- %
+
+% A packed file is the concatenation of several file groups, each of which
+% is the result of compressing several files concatenated together.
+% The packed file begins with a procedure that creates an appropriate
+% decoding filter for each file group, as follows:
+%	<group-subfile-filter> -proc- <group-decode-filter>
+% Thus, accessing an individual file requires 4 parameters:
+% the starting address and length of the outer compressed file,
+% and the starting address and length of the inner file.
+/.packedfilefilter	% <file> <ostart> <olength> <istart> <ilength>
+			%   .packedfilefilter <filter>
+ { 4 index systemdict begin token pop end 6 1 roll
+	% Stack: fproc file ostart olength istart ilength
+   4 index 5 -1 roll setfileposition
+	% Stack: fproc file olength istart ilength
+   4 -2 roll () /SubFileDecode filter
+	% Stack: fproc istart ilength ofilter
+   4 -1 roll exec
+	% Filters don't support setfileposition, so we must skip data
+	% by reading it into a buffer.  We rely on the fact that
+	% save/restore don't affect file positions.
+	% Stack: istart ilength dfilter
+   save exch 1000 string
+	% Stack: istart ilength save dfilter scratch
+   4 index 1 index length idiv { 2 copy readstring pop pop } repeat
+   2 copy 0 8 -1 roll 2 index length mod getinterval readstring pop pop pop
+	% Stack: ilength save dfilter
+   exch restore exch () /SubFileDecode filter
+ } bind def
+
+% Run a packed library file.
+/.runpackedlibfile	% <filename> <ostart> <olength> <istart> <ilength>
+			%   .runpackedlibfile
+ { 5 -1 roll findlibfile
+    { exch pop dup 6 2 roll .packedfilefilter
+      currentobjectformat exch 1 setobjectformat run
+      setobjectformat closefile
+    }
+    { 5 1 roll /findlibfile load /undefinedfilename signalerror
+    }
+   ifelse
+ } bind def
+
+% ---------------- Compacted font support ---------------- %
+
+% Compacted fonts written by wrfont.ps depend on the existence and
+% specifications of the procedures and data in this section.
+
+/.compactfontdefault mark
+	/PaintType 0
+	/FontMatrix [0.001 0 0 0.001 0 0] readonly
+	/FontType 1
+	/Encoding StandardEncoding
+.dicttomark readonly def
+
+/.checkexistingfont	% <fontname> <uid> <privatesize> <fontsize>
+			%   .checkexistingfont
+			%   {} (<font> on d-stack)
+			% <fontname> <uid> <privatesize> <fontsize>
+			%   .checkexistingfont
+			%   -save- --restore-- (<font> on d-stack)
+ { FontDirectory 4 index .knownget
+    { dup /UniqueID .knownget
+       { 4 index eq exch /FontType get 1 eq and }
+       { pop false }
+      ifelse
+    }
+    { false
+    }
+   ifelse
+    { save /restore load 6 2 roll }
+    { {} 5 1 roll }
+   ifelse
+   dict //.compactfontdefault exch .copydict begin
+   dict /Private exch def
+   Private begin
+     /MinFeature {16 16} def
+     /Password 5839 def
+     /UniqueID 1 index def
+   end
+   /UniqueID exch def
+   /FontName exch def
+ } bind def
+
+/.knownEncodings [
+   ISOLatin1Encoding
+   StandardEncoding
+   SymbolEncoding
+] readonly def
+
+/.readCharStrings	% <count> <encrypt> .readCharStrings <dict>
+ { exch dup dict dup 3 -1 roll
+    { currentfile token pop dup type /integertype eq
+       { dup -8 bitshift //.knownEncodings exch get exch 255 and get } if
+      currentfile token pop dup type /nametype eq
+       { 2 index exch get
+       }
+       {	% Stack: encrypt dict dict key value
+	 4 index { 4330 exch dup .type1encrypt exch pop } if
+	 readonly
+       }
+      ifelse put dup
+    }
+   repeat pop exch pop
+ } bind def
diff --git a/pstoraster/gs_res.ps b/pstoraster/gs_res.ps
new file mode 100644
index 000000000..660348803
--- /dev/null
+++ b/pstoraster/gs_res.ps
@@ -0,0 +1,726 @@
+%    Copyright (C) 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_res.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for Level 2 resource machinery.
+% When this is run, systemdict is still writable,
+% but (almost) everything defined here goes into level2dict.
+
+level2dict begin
+
+(BEGIN RESOURCES) VMDEBUG
+
+% We keep track of (global) instances with another entry in the resource
+% dictionary, an Instances dictionary.  For categories with implicit
+% instances, the values in Instances are the same as the keys;
+% for other categories, the values are [instance status size].
+
+% Note that the dictionary that defines a resource category is stored
+% in global memory.  The PostScript manual says that each category must
+% manage global and local instances separately.  However, objects in
+% global memory other than systemdict can't reference objects in local memory.
+% This means that the resource category dictionary, which would otherwise be
+% the obvious place to keep track of the instances, can't be used to keep
+% track of local instances.  Instead, we define a dictionary in local VM
+% called localinstancedict, in which the key is the category name and
+% the value is the analogue of Instances for local instances.
+
+% We don't currently implement automatic resource unloading.
+% When and if we do, it should be hooked to the garbage collector.
+% However, Ed Taft of Adobe says their interpreters don't implement this
+% either, so we aren't going to worry about it for a while.
+
+currentglobal false setglobal systemdict begin
+  /localinstancedict 5 dict
+  .forcedef	% localinstancedict is local, systemdict is global
+end true setglobal
+/.emptydict 0 dict readonly def
+setglobal
+
+% Resource category dictionaries have the following keys (those marked with
+% * are optional):
+%	Standard, defined in the Red Book:
+%		Category (name)
+%		*InstanceType (name)
+%		DefineResource
+%			<key> <instance> DefineResource <instance>
+%		UndefineResource
+%			<key> UndefineResource -
+%		FindResource
+%			<key> FindResource <instance>
+%		ResourceStatus
+%			<key> ResourceStatus <status> <size> true
+%			<key> ResourceStatus false
+%		ResourceForAll
+%			<template> <proc> <scratch> ResourceForAll -
+%		*ResourceFileName
+%			<key> <scratch> ResourceFileName <filename>
+%	Additional, specific to our implementation:
+%		Instances (dictionary)
+%		.LocalInstances
+%			- .LocalInstances <dict>
+%		.GetInstance
+%			<key> .GetInstance <instance> -true-
+%			<key> .GetInstance -false-
+%		.CheckResource
+%			<key> <value> .CheckResource <key> <value> <ok>
+%			  (or may give an error if not OK)
+%		.DoLoadResource
+%			<key> .DoLoadResource - (may give an error)
+%		.LoadResource
+%			<key> .LoadResource - (may give an error)
+%		.ResourceFile
+%			<key> .ResourceFile <file> -true-
+%			<key> .ResourceFile <key> -false-
+% All the above procedures expect that the top dictionary on the d-stack
+% is the resource dictionary.
+
+% Define enough of the Category category so we can define other categories.
+% The dictionary we're about to create will become the Category
+% category definition dictionary.
+
+% .findcategory and .resourceexec are only called from within the
+% implementation of the resource 'operators', so they doesn't have to worry
+% about cleaning up the stack if they fail (the interpreter's stack
+% protection machinery for pseudo-operators takes care of this).
+/.findcategory {	% <name> .findcategory -
+			%   (pushes the category on the dstack)
+  /Category findresource begin
+} bind def
+
+/.resourceexec {	% <key> /xxxResource .resourceexec -
+			%   (also pops the category from the dstack)
+  load exec end
+} bind def
+
+15 dict begin
+
+		% Standard entries
+
+/Category /Category def
+/InstanceType /dicttype def
+
+/DefineResource
+	{ .CheckResource
+	   { dup /Category 3 index cvlit .growput
+		% We would like to make Category dictionaries read-only,
+		% and we used to do that here, but we can't do it,
+		% because we have to be able to replace the dummy, empty
+		% Instances dictionary with the real one later.
+	     dup [ exch 0 -1 ] exch
+	     Instances 4 2 roll put
+	   }
+	   { /defineresource load /typecheck signalerror
+	   }
+	  ifelse
+	} bind def
+/FindResource		% (redefined below)
+	{ Instances exch get 0 get
+	} bind def
+
+		% Additional entries
+
+/Instances 30 dict def
+Instances /Category [currentdict 0 -1] put
+
+/.LocalInstances 0 dict def
+/.GetInstance
+	{ Instances exch .knownget
+	} bind def
+/.CheckResource
+	{ dup gcheck currentglobal and
+	   { /DefineResource /FindResource /ResourceForAll /ResourceStatus
+	     /UndefineResource }
+	   { 2 index exch known and }
+	  forall
+	  not { /defineresource load /invalidaccess signalerror } if
+	  true
+	} bind def
+
+Instances end begin	% for the base case of findresource
+
+(END CATEGORY) VMDEBUG
+
+% Define the resource operators.  We use the "stack protection" feature of
+% odef to make sure the stacks are restored properly on an error.
+% This requires that the operators not pop anything from the stack until
+% they have executed their logic successfully.  We can't make this
+% work for resourceforall, because the procedure it executes mustn't see
+% the operands of resourceforall on the stack, but we can make it work for
+% the others.
+
+mark
+/defineresource {	% <key> <instance> <category> defineresource <instance>
+	3 copy .findcategory
+	currentdict /InstanceType known {
+	  dup type InstanceType ne {
+	    dup type /packedarraytype eq InstanceType /arraytype eq and
+	    not { /defineresource load /typecheck signalerror } if
+	  } if
+	} if
+	/DefineResource .resourceexec
+	4 1 roll pop pop pop
+}
+/findresource {		% <key> <category> findresource <instance>
+	2 copy dup /Category eq
+	  { pop //Category 0 get begin } { .findcategory } ifelse
+	/FindResource .resourceexec exch pop exch pop
+}
+/resourceforall {	% <template> <proc> <scratch> <category> resourceforall -
+	dup /Category findresource begin
+	/ResourceForAll load
+		% Make sure we can recover the original operands.
+		% Stack: ...operands... proc
+	5 copy pop 4 packedarray count
+		% Stack: ...operands... proc saved count
+	4 -1 roll pop		% pop the category
+	/.internalstopped load 3 1 roll
+	3 .execn
+		% Stack: ... stopped saved count
+	3 -1 roll {
+		% The count is the original stack depth + 2.
+	  count exch 4 sub sub { exch pop } repeat
+	  aload pop stop
+	} {
+	  pop pop
+	} ifelse end
+}
+/resourcestatus {	% <key> <category> resourcestatus <status> <size> true
+			% <key> <category> resourcestatus false
+	2 copy .findcategory /ResourceStatus .resourceexec
+	 { 4 2 roll pop pop true } { pop pop false } ifelse
+}
+/undefineresource {	% <key> <category> undefineresource -
+	2 copy .findcategory /UndefineResource .resourceexec pop pop
+}
+end		% Instances of Category
+counttomark 2 idiv { bind odef } repeat pop
+
+% Define the system parameters used for the Generic implementation of
+% ResourceFileName.
+systemdict begin
+currentdict /pssystemparams known not {
+  /pssystemparams 10 dict readonly def
+} if
+pssystemparams begin
+  /FontResourceDir (/Resource/Font/) readonly .forcedef	% pssys'params is r-o
+  /GenericResourceDir (/Resource/) readonly .forcedef	% pssys'params is r-o
+  /GenericResourcePathSep (/) readonly .forcedef	% pssys'params is r-o
+end
+end
+
+% Define the generic algorithm for computing resource file names.
+/.rfnstring 100 string def
+/.genericrfn		% <key> <scratch> <prefix> .genericrfn <filename>
+ { 3 -1 roll //.rfnstring cvs concatstrings exch copy
+ } bind def
+
+% Define the Generic category.
+
+/Generic mark
+
+		% Standard entries
+
+% We're still running in Level 1 mode, so dictionaries won't expand.
+% Leave room for the /Category entry.
+/Category null
+
+/DefineResource
+	{ .CheckResource
+	   { dup [ exch 0 -1 ]
+			% Stack: key value instance
+	     currentglobal
+	      { false setglobal 2 index UndefineResource	% remove local def if any
+		true setglobal
+		Instances dup //.emptydict eq
+		 { pop 3 dict /Instances 1 index def
+		 }
+		if
+	      }
+	      { .LocalInstances dup //.emptydict eq
+	         { pop 3 dict localinstancedict Category 2 index put
+		 }
+		if
+	      }
+	     ifelse
+			% Stack: key value instance instancedict
+	     3 index 2 index .growput
+			% Now make the resource value read-only.
+	     0 2 copy get { readonly } .internalstopped pop
+	     dup 4 1 roll put exch pop exch pop
+	   }
+	   { /defineresource load /typecheck signalerror
+	   }
+	  ifelse
+	} bind
+/UndefineResource
+	{  { dup 2 index .knownget
+	      { dup 1 get 1 ge
+		 { dup 0 null put 1 2 put pop pop }
+		 { pop exch .undef }
+		ifelse
+	      }
+	      { pop pop
+	      }
+	     ifelse
+	   }
+	  currentglobal
+	   { 2 copy Instances exch exec
+	   }
+	  if .LocalInstances exch exec
+	} bind
+/FindResource
+	{ dup ResourceStatus
+	   { pop 1 gt			% not in VM
+	      { .DoLoadResource
+	      }
+	     if
+	     .GetInstance pop		% can't fail
+	     0 get
+	   }
+	   { /findresource load /undefinedresource signalerror
+	   }
+	  ifelse
+	} bind
+/ResourceStatus
+	{ dup .GetInstance
+	   { exch pop dup 1 get exch 2 get true }
+	   { .ResourceFile
+	      { closefile 2 -1 true }
+	      { pop false }
+	     ifelse
+	   }
+	  ifelse
+	} bind
+/ResourceForAll
+	{	% **************** Doesn't present instance groups in
+		% **************** the correct order yet.
+		% Construct a new procedure to hold the arguments.
+		% It must be in local VM to avoid a possible invalidaccess.
+	  .currentglobal 4 1 roll false .setglobal
+	  3 packedarray		% template, proc, scratch
+	  { exch pop	% stack contains: key, {template, proc, scratch}
+	    2 copy 0 get .stringmatch
+	     { 1 index type dup /stringtype eq exch /nametype eq or
+		{ 2 copy 2 get cvs
+		  exch 1 get 3 -1 roll pop
+		}
+		{ 1 get
+		}
+	       ifelse exec
+	     }
+	     { pop pop
+	     }
+	    ifelse
+	  } /exec cvx 3 packedarray
+		% Stack: global? iterproc
+		% We must pop the resource dictionary off the dict stack
+		% when doing the actual iteration, and restore it afterwards.
+	  exch {
+	    true .setglobal
+	  } {
+	    .LocalInstances length 0 ne {
+		% We must do local instances, and do them first.
+	      .LocalInstances exch cvx /forall cvx 1 index cvlit
+	      currentdict end 3 .execn begin
+	    } if
+	  } ifelse
+	  Instances exch cvx
+	  /forall cvx currentdict end 2 .execn begin
+	} bind
+/ResourceFileName
+	{ /GenericResourceDir getsystemparam 
+	  Category .namestring concatstrings
+	  /GenericResourcePathSep getsystemparam concatstrings
+	  .genericrfn
+	} bind
+
+		% Additional entries
+
+% Unfortunately, we can't create the real Instances dictionary now,
+% because if someone copies the Generic category (which pp. 95-96 of the
+% 2nd Edition Red Book says is legitimate), they'll wind up sharing
+% the Instances.  Instead, we have to create Instances on demand,
+% just like the entry in localinstancedict.
+% We also have to prevent anyone from creating instances of Generic itself.
+/Instances //.emptydict
+
+/.LocalInstances
+	{ localinstancedict Category .knownget not { //.emptydict } if
+	} bind
+/.GetInstance
+	{ currentglobal
+	   { Instances exch .knownget }
+	   { .LocalInstances 1 index .knownget
+	      { exch pop true }
+	      { Instances exch .knownget }
+	     ifelse
+	   }
+	  ifelse
+	} bind
+/.CheckResource
+	{ true
+	} bind
+/.DoLoadResource
+	{ dup vmstatus pop exch pop exch
+	  .LoadResource
+	  vmstatus pop exch pop exch sub
+	  1 index .GetInstance not
+	   { pop dup /undefinedresource signalerror }	% didn't load
+	  if
+	  dup 1 1 put
+	  2 3 -1 roll put
+	} bind
+/.LoadResource
+	{ dup .ResourceFile
+	   { exch pop currentglobal
+	      { run }
+	      { true setglobal { run } stopped false setglobal { stop } if }
+	     ifelse
+	   }
+	   { dup /undefinedresource signalerror
+	   }
+	 ifelse
+	} bind
+/.ResourceFile
+	{ currentdict /ResourceFileName known
+	   { mark 1 index 100 string { ResourceFileName }
+	     .internalstopped
+	      { cleartomark false }
+	      { exch pop findlibfile
+		 { exch pop exch pop true }
+		 { pop false }
+		ifelse
+	      }
+	     ifelse
+	   }
+	   { false }
+	  ifelse
+	} bind
+
+.dicttomark
+/Category defineresource pop
+
+% Fill in the rest of the Category category.
+/Category /Category findresource dup
+/Generic /Category findresource begin
+ { /FindResource /ResourceForAll /ResourceStatus /UndefineResource
+   /ResourceFileName /.ResourceFile /.LoadResource /.DoLoadResource
+ }
+ { dup load put dup } forall
+pop readonly pop end
+
+(END GENERIC) VMDEBUG
+
+% Define the fixed categories.
+
+mark
+	% Non-Type categories with existing entries.
+ /ColorSpaceFamily
+   mark colorspacedict { pop } forall .packtomark
+ /Emulator
+   mark EMULATORS { cvn } forall .packtomark
+ /Filter
+   mark filterdict { pop } forall .packtomark
+ /IODevice
+	% Loop until the .getiodevice gets a rangecheck.
+   errordict /rangecheck 2 copy get
+   errordict /rangecheck { pop stop } put	% pop the command
+   mark 0 { {dup .getiodevice exch 1 add} loop} .internalstopped
+   pop pop pop .packtomark
+   4 1 roll put
+   .clearerror
+	% Type categories listed in the Red Book.
+ /ColorRenderingType
+   { }	% These must be deferred, because optional features may add some.
+ /FMapType
+   { }	% These must be deferred, because optional features may add some.
+ /FontType
+   { }	% These must be deferred, because optional features may add some.
+ /FormType
+   { }	% These must be deferred, because optional features may add some.
+ /HalftoneType
+   {1 2 3 4 5}
+ /ImageType
+   { }	% Deferred, optional features may add some.
+ /PatternType
+   { }  % Deferred, optional features may add some.
+	% Type categories added since the Red Book.
+ /setsmoothness where {
+   pop /ShadingType { }	% Deferred, optional features may add some.
+ } if
+counttomark 2 idiv
+ { mark
+
+		% Standard entries
+
+		% We'd like to prohibit defineresource,
+		% but because optional features may add entries, we can't.
+		% We can at least require that the key and value match.
+   /DefineResource
+	{ currentglobal not
+	   { /defineresource load /invalidaccess signalerror }
+	   { 2 copy ne
+	      { /defineresource load /rangecheck signalerror }
+	      { dup Instances 4 -2 roll .growput }
+	     ifelse
+	   }
+	  ifelse
+	} bind
+   /UndefineResource
+	{ /undefineresource load /invalidaccess signalerror } bind
+   /FindResource
+	{ Instances 1 index .knownget
+	   { exch pop }
+	   { /findresource load /undefinedresource signalerror }
+	  ifelse
+	} bind
+   /ResourceStatus
+	{ Instances exch known { 0 0 true } { false } ifelse } bind
+   /ResourceForAll
+	/Generic /Category findresource /ResourceForAll get
+
+		% Additional entries
+
+   counttomark 2 add -1 roll
+   dup length dict dup begin exch { dup def } forall end
+		% We'd like to make the Instances readonly here,
+		% but because optional features may add entries, we can't.
+   /Instances exch
+   /.LocalInstances	% used by ResourceForAll
+	0 dict def
+
+   .dicttomark /Category defineresource pop
+ } repeat pop
+
+(END FIXED) VMDEBUG
+
+% Define the other built-in categories.
+
+/.definecategory	% <name> -mark- <key1> ... <valuen> .definecategory -
+ { counttomark 2 idiv 2 add		% Instances, Category
+   /Generic /Category findresource dup maxlength 3 -1 roll add
+   dict .copydict begin
+   counttomark 2 idiv { def } repeat pop	% pop the mark
+   currentdict end /Category defineresource pop
+ } bind def
+
+/ColorRendering mark /InstanceType /dicttype .definecategory
+/ColorSpace mark /InstanceType /arraytype .definecategory
+/Form mark /InstanceType /dicttype .definecategory
+/Halftone mark /InstanceType /dicttype .definecategory
+/Pattern mark /InstanceType /dicttype .definecategory
+/ProcSet mark /InstanceType /dicttype .definecategory
+% Added since the Red Book:
+/ControlLanguage mark /InstanceType /dicttype .definecategory
+/HWOptions mark /InstanceType /dicttype .definecategory
+/Localization mark /InstanceType /dicttype .definecategory
+/OutputDevice mark /InstanceType /dicttype .definecategory
+/PDL mark /InstanceType /dicttype .definecategory
+% CIDFont, CIDMap, and CMap are defined in gs_cidfn.ps
+% FontSet is defined in gs_cff.ps
+% IdiomSet, InkParams, and TrapParams are defined in gs_ll3.ps
+
+(END MISC) VMDEBUG
+
+% Define the Encoding category.
+
+/Encoding mark
+
+/InstanceType /arraytype
+
+% Handle already-registered encodings, including lazily loaded encodings
+% that aren't loaded yet.
+
+/Instances mark
+  EncodingDirectory
+   { dup length 256 eq { [ exch readonly 0 -1 ] } { pop [null 2 -1] } ifelse
+   } forall
+.dicttomark
+
+/.ResourceFileDict mark
+  EncodingDirectory
+   { dup length 256 eq { pop pop } { 0 get } ifelse
+   } forall
+.dicttomark
+
+/ResourceFileName
+ { .ResourceFileDict 2 index .knownget
+    { exch copy exch pop }
+    { /Generic /Category findresource /ResourceFileName get exec }
+   ifelse
+ } bind
+
+.definecategory			% Encoding
+
+% Make placeholders in level2dict for the redefined Encoding operators,
+% so that they will be swapped properly when we switch language levels.
+
+/.findencoding /.findencoding load def
+/findencoding /findencoding load def
+/.defineencoding /.defineencoding load def
+
+(END ENCODING) VMDEBUG
+
+% Define the Font category.
+
+/Font mark
+
+/InstanceType /dicttype
+
+/DefineResource
+	{ 2 copy //definefont exch pop
+	  /Generic /Category findresource /DefineResource get exec
+	} bind
+/UndefineResource
+	{ dup //undefinefont
+	  /Generic /Category findresource /UndefineResource get exec
+	} bind
+/FindResource
+	{ dup ResourceStatus
+	   { pop 1 gt { .loadfont } { .GetInstance pop 0 get } ifelse }
+	   { .loadfont }
+	  ifelse
+	} bind
+/ResourceFileName
+	{ /FontResourceDir getsystemparam .genericrfn
+	} bind
+
+/.loadfont
+	{ dup vmstatus pop exch pop exch
+	  //findfont exec exch		% findfont is a procedure....
+	  vmstatus pop exch pop exch sub
+		% stack: name font vmused
+		% findfont has the prerogative of not calling definefont
+		% in certain obscure cases of font substitution.
+	  2 index .GetInstance
+	   { dup 1 1 put
+	     2 3 -1 roll put
+	   }
+	   { pop
+	   }
+	  ifelse exch pop
+	} bind
+
+/Instances FontDirectory length 2 mul dict
+
+.definecategory			% Font
+
+% Redefine font "operators".
+/.definefontmap
+ { /Font /Category findresource /Instances get
+   dup 3 index known
+    { pop
+    }
+    { 2 index
+		% Make sure we create the array in global VM.
+      .currentglobal true .setglobal
+      [null 2 -1] exch .setglobal
+      .growput
+    }
+   ifelse
+   //.definefontmap exec
+ } bind def
+
+% Make sure the old definitions are still in systemdict so that
+% they will get bound properly.
+systemdict begin
+  /.origdefinefont /definefont load def
+  /.origundefinefont /undefinefont load def
+  /.origfindfont /findfont load def
+end
+/definefont {
+  /Font defineresource
+} bind odef
+/undefinefont {
+  /Font undefineresource
+} bind odef
+% The Red Book requires that findfont be a procedure, not an operator,
+% but it still needs to restore the stacks reliably if it fails.
+/.findfontop {
+  /Font findresource
+} bind odef
+/findfont {
+  .findfontop
+} bind def	% Must be a procedure, not an operator
+
+% Remove initialization utilities.
+currentdict /.definecategory .undef
+currentdict /.emptydict .undef
+
+end				% level2dict
+
+% Convert deferred resources after we finally switch to Level 2.
+
+/.fixresources {
+	% Encoding resources
+ EncodingDirectory
+   { dup length 256 eq
+      { /Encoding defineresource pop }
+      { pop pop }
+     ifelse
+   } forall
+  /.findencoding { /Encoding findresource } bind def
+  /findencoding /.findencoding load def		% must be a procedure
+  /.defineencoding { /Encoding defineresource pop } bind def
+	% ColorRendering resources and ProcSet
+  systemdict /ColorRendering .knownget {
+    /ColorRendering exch /ProcSet defineresource pop
+    systemdict /ColorRendering undef
+    /Default currentcolorrendering /ColorRendering defineresource pop
+  } if
+	% ColorSpace resources
+  systemdict /CIEsRGB .knownget {
+    /sRGB exch /ColorSpace defineresource pop
+    systemdict /CIEsRGB undef
+  } if
+	% FontType and FMapType resources
+  buildfontdict { pop dup /FontType defineresource pop } forall
+  mark
+    buildfontdict 0 known { 2 3 4 5 6 7 8 } if
+    buildfontdict 9 known { 9 } if
+  counttomark { dup /FMapType defineresource pop } repeat pop
+	% FormType resources
+  .formtypes { pop dup /FormType defineresource pop } forall
+	% ColorRenderingType resources
+  .colorrenderingtypes {pop dup /ColorRenderingType defineresource pop} forall
+	% ImageType resources
+  .imagetypes { pop dup /ImageType defineresource pop } forall
+	% PatternType resources
+  .patterntypes { pop dup /PatternType defineresource pop } forall
+	% Make the fixed resource categories immutable.
+  /.shadingtypes where {
+    pop .shadingtypes { pop dup /ShadingType defineresource pop } forall
+  } if
+  [ /ColorSpaceFamily /Emulator /Filter /IODevice /ColorRenderingType
+    /FMapType /FontType /FormType /HalftoneType /ImageType /PatternType
+    /.shadingtypes where { pop /ShadingType } if
+  ] {
+    /Category findresource
+    dup /Instances get readonly pop
+    .LocalInstances readonly pop
+    readonly pop
+  } forall
+	% clean up
+  systemdict /.fixresources undef
+} bind def
diff --git a/pstoraster/gs_setpd.ps b/pstoraster/gs_setpd.ps
new file mode 100644
index 000000000..f9bc7faf5
--- /dev/null
+++ b/pstoraster/gs_setpd.ps
@@ -0,0 +1,715 @@
+%    Copyright (C) 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_setpd.ps 1396 2000-09-29 17:42:56Z mike $
+% The current implementation of setpagedevice has the following limitations:
+%	- It doesn't attempt to "interact with the user" for Policy = 2.
+
+languagelevel 1 .setlanguagelevel
+level2dict begin
+
+% ---------------- Redefinitions ---------------- %
+
+% Redefine .beginpage and .endpage so that they call BeginPage and
+% EndPage respectively if appropriate.
+
+% We have to guard against the BeginPage procedure not popping its operand.
+% This is really stupid, but the Genoa CET does it.
+/.beginpage {		% - .beginpage -
+  .currentshowpagecount {
+    .currentpagedevice pop
+    dup null ne { /BeginPage .knownget } { pop false } ifelse {
+		% Stack: ... pagecount proc
+       count 2 .execn
+		% Stack: ... ..???.. oldcount
+       count 1 add exch sub { pop } repeat
+    } {
+      pop
+    } ifelse
+  } if
+} bind odef
+
+% Guard similarly against EndPage not popping its operand.
+/.endpage {		% <reason> .endpage <print_bool>
+  .currentshowpagecount {
+    1 index .currentpagedevice pop
+    dup null ne { /EndPage .knownget } { pop false } ifelse {
+		% Stack: ... reason pagecount reason proc
+      count 2 .execn
+		% Stack: ... ..???.. print oldcount
+      count 2 add exch sub { exch pop } repeat
+    } {
+      pop pop 2 ne
+    } ifelse
+  } {
+    2 ne
+  } ifelse
+} bind odef
+
+% Define interpreter callouts for handling gstate-saving operators,
+% to make sure that they create a page device dictionary for use by
+% the corresponding gstate-restoring operator.
+% We'd really like to avoid the cost of doing this, but we don't see how.
+% The names %gsavepagedevice, %savepagedevice, %gstatepagedevice,
+% %copygstatepagedevice, and %currentgstatepagedevice are known to the
+% interpreter.
+
+(%gsavepagedevice) cvn
+ { currentpagedevice pop gsave
+ } bind def
+
+(%savepagedevice) cvn
+ { currentpagedevice pop save
+ } bind def
+
+(%gstatepagedevice) cvn
+ { currentpagedevice pop gstate
+ } bind def
+
+(%copygstatepagedevice) cvn
+ { currentpagedevice pop copy
+ } bind def
+
+(%currentgstatepagedevice) cvn
+ { currentpagedevice pop currentgstate
+ } bind def
+
+% Define interpreter callouts for handling gstate-restoring operators
+% when the current page device needs to be changed.
+% The names %grestorepagedevice, %grestoreallpagedevice,
+% %restorepagedevice, and %setgstatepagedevice are known to the interpreter.
+
+/.installpagedevice
+ {	% Since setpagedevice doesn't create new device objects,
+	% we must (carefully) reinstall the old parameters in
+	% the same device.
+   .currentpagedevice pop null currentdevice null .trysetparams
+   dup type /booleantype eq
+    { pop pop }
+    {		% This should never happen!
+      DEBUG { (Error in .trysetparams!\n) print pstack flush } if
+      cleartomark pop pop pop
+      /.installpagedevice cvx /rangecheck signalerror
+    }
+   ifelse pop pop
+	% A careful reading of the Red Book reveals that an erasepage
+	% should occur, but *not* an initgraphics.
+   erasepage .beginpage
+ } bind def
+
+/.uninstallpagedevice
+ { 2 .endpage { .currentnumcopies false .outputpage } if
+   nulldevice
+ } bind def
+
+(%grestorepagedevice) cvn
+ { .uninstallpagedevice grestore .installpagedevice
+ } bind def
+
+(%grestoreallpagedevice) cvn
+ { .uninstallpagedevice grestore .installpagedevice grestoreall
+ } bind def
+
+(%restorepagedevice) cvn
+ { .uninstallpagedevice grestore .installpagedevice restore
+ } bind def
+
+(%setgstatepagedevice) cvn
+ { .uninstallpagedevice setgstate .installpagedevice
+ } bind def
+
+% Redefine .currentnumcopies so it consults the NumCopies device parameter.
+/.numcopiesdict mark
+  /NumCopies dup
+.dicttomark readonly def
+
+/.currentnumcopies
+ { currentdevice //.numcopiesdict .getdeviceparams
+   dup type /integertype eq
+    { exch pop exch pop }
+    { cleartomark #copies }
+   ifelse
+ } bind odef
+
+% Redefine .currentpagedevice and .setpagedevice so they convert between
+% null and a fixed empty directionary.
+/.nullpagedevice 0 dict readonly def
+/.currentpagedevice {
+  //.currentpagedevice exch dup null eq { pop //.nullpagedevice } if exch
+} bind odef
+/.setpagedevice {
+  dup //.nullpagedevice eq { pop null } if //.setpagedevice
+} bind odef
+
+% ---------------- Auxiliary definitions ---------------- %
+
+% Define the required attributes of all page devices, and their default values.
+% We don't include attributes such as PageSize, which all devices
+% are guaranteed to supply on their own.
+/.defaultpolicies mark
+  /PolicyNotFound 1
+  /PageSize 0
+  /PolicyReport {pop} bind
+.dicttomark readonly def
+/.requiredattrs mark
+  /PageOffset [0 0] readonly
+% We define InputAttributes and OutputAttributes with a single
+% dummy media type that handles pages of any size.
+% Devices that care will override this.
+  /InputAttributes mark 0
+	% Since sizes match within 5 user units, we need to set the smallest
+	% PageSize to 6 units so that [0 0] will fail.
+    mark /PageSize [6 dup 16#7ffff dup] .dicttomark readonly
+  .dicttomark readonly
+  (%MediaSource) 0
+  /OutputAttributes mark 0
+    mark .dicttomark readonly
+  .dicttomark readonly
+  (%MediaDestination) 0
+  /Install {.callinstall} bind
+  /BeginPage {.callbeginpage} bind
+  /EndPage {.callendpage} bind
+  /Policies .defaultpolicies
+.dicttomark readonly def
+
+% Define currentpagedevice so it creates the dictionary on demand if needed,
+% adding all the required entries defined just above.
+% We have to deal specially with entries that the driver may change
+% on its own.
+/.dynamicppkeys mark
+  /PageSize dup		% because it changes when PageSize is set
+  /PageCount dup
+.dicttomark readonly def
+/.makecurrentpagedevice		% - .makecurrentpagedevice <dict>
+ { currentdevice null .getdeviceparams
+	% In case of duplicate keys, .dicttomark takes the entry
+	% lower on the stack, so we can just append the defaults here.
+   .requiredattrs { } forall .dicttomark
+   dup .setpagedevice
+ } bind def
+/currentpagedevice
+ { .currentpagedevice
+    { dup length 0 eq
+       { pop .makecurrentpagedevice
+       }
+       {	% If any of the dynamic keys have changed,
+		% we must update the page device dictionary.
+	 currentdevice //.dynamicppkeys .getdeviceparams .dicttomark
+	  {	% Stack: current key value
+	    2 index 2 index .knownget { 1 index ne } { true } ifelse
+	     { 2 index wcheck not
+		{	% This is the first entry being updated.
+			% Copy the dictionary to make it writable.
+		  3 -1 roll dup length dict .copydict
+		  3 1 roll
+		}
+	       if
+	       2 index 3 1 roll put
+	     }
+	     { pop pop
+	     }
+	    ifelse
+	  }
+	 forall
+		% We would like to do a .setpagedevice so we don't keep
+		% re-creating the dictionary.  Unfortunately, the effect
+		% of this is that if any dynamic key changes (PageCount
+		% in particular), we will do the equivalent of a
+		% setpagedevice at the next restore or grestore.
+		% Therefore, we make the dictionary read-only, but
+		% we don't store it away.  I.e., NOT:
+		% dup wcheck { .setpagedevice .currentpagedevice pop } if
+	 readonly
+       }
+      ifelse
+    }
+   if
+ } bind odef
+
+% The implementation of setpagedevice is quite complex.  Currently,
+% everything but the media matching algorithm is implemented here.
+
+% By default, we only present the requested changes to the device,
+% but there are some parameters that require special merging action.
+% Define those parameters here, with the procedures that do the merging.
+% The procedures are called as follows:
+%	<merged> <key> <new_value> -proc- <merged> <key> <new_value'>
+/.mergespecial mark
+  /InputAttributes
+   { dup null eq
+      { pop null
+      }
+      { 3 copy pop .knownget
+	 { dup null eq
+	    { pop dup length dict }
+	    { dup length 2 index length add dict .copydict }
+	   ifelse
+	 }
+	 { dup length dict
+	 }
+        ifelse .copydict readonly
+      }
+     ifelse
+   } bind
+  /OutputAttributes 1 index
+  /Policies
+    { 3 copy pop .knownget
+       { dup length 2 index length add dict .copydict }
+       { dup length dict }
+      ifelse copy readonly
+    } bind
+.dicttomark readonly def
+
+% Define the keys used in input attribute matching.
+/.inputattrkeys [
+%%%% MRS: Can't get Ghostscript to leave these alone, so we only
+%%%%      include PageSize here...
+%  /PageSize /MediaColor /MediaWeight /MediaType /InsertSheet
+  /PageSize
+	% The following are documented in Adobe's supplement for v2017.
+%  /LeadingEdge /MediaClass
+] readonly def
+% Define other keys used in media selection.
+/.inputselectionkeys [
+%%%% MRS: Can't get Ghostscript to leave these alone, so we only
+%%%%      provide a dummy attribute here...
+%  /MediaPosition /Orientation
+  /DummyInput
+] readonly def
+
+% Define the keys used in output attribute matching.
+/.outputattrkeys [
+%%%% MRS: Can't get Ghostscript to leave these alone, so we only
+%%%%      include a dummy attribute here...
+%  /OutputType
+  /DummyOutput
+] readonly def
+
+% Define all the parameters that should always be copied to the merged
+% dictionary.
+/.copiedkeys [
+  /OutputDevice
+  .mergespecial { pop } forall
+  .inputattrkeys aload pop
+  .inputselectionkeys aload pop
+  .outputattrkeys aload pop
+] readonly def
+
+% Define the parameters that should not be presented to the device.
+% The procedures are called as follows:
+%	<merged> <key> <value> -proc-
+% The procedure leaves all its operands on the stack and returns
+% true iff the key/value pair should be presented to .putdeviceparams.
+/.presentspecial mark
+  .dynamicppkeys { pop false } forall
+			% We must ignore an explicit request for PageSize,
+			% because media matching always handles this.
+  /PageSize false
+  /Name false
+  /OutputDevice false
+  /PageOffset false
+  /InputAttributes false
+  .inputattrkeys
+    { dup /PageSize eq
+       { pop }
+       { { 2 index /InputAttributes .knownget { null eq } { true } ifelse } }
+      ifelse
+    }
+  forall
+  .inputselectionkeys { false } forall
+  /OutputAttributes false
+  .outputattrkeys
+    { { 2 index /OutputAttributes .knownget { null eq } { true } ifelse } }
+  forall
+  /Install false
+  /BeginPage false
+  /EndPage false
+  /Policies false
+	% Our extensions:
+  /HWColorMap
+    {			% HACK: don't transmit the color map, because
+			% window systems can change the color map on their own
+			% incrementally.  Someday we'll have a better
+			% solution for this....
+      false
+    }
+  /ViewerPreProcess false
+.dicttomark readonly def
+
+% Define access to device defaults.
+/.defaultdeviceparams
+ { finddevice null .getdeviceparams
+ } bind def
+
+% Select media (input or output).  The hard work is done in an operator:
+%	<pagedict> <attrdict> <policydict> <keys> .matchmedia <key> true
+%	<pagedict> <attrdict> <policydict> <keys> .matchmedia false
+%	<pagedict> null <policydict> <keys> .matchmedia null true
+/.selectmedia		% <orig> <request> <merged> <failed>     <-- retained
+			%   <attrdict> <policydict> <attrkeys> <mediakey>
+			%   .selectmedia
+ { 5 index 5 -2 roll 4 index .matchmedia
+		% Stack: orig request merged failed attrkeys mediakey
+		%   (key true | false)
+    { 4 index 3 1 roll put pop
+    }
+    {	% Adobe's implementations have a "big hairy heuristic"
+	% to choose the set of keys to report as having failed the match.
+	% For the moment, we report any keys that are in the request
+	% and don't have the same value as in the original dictionary.
+      5 index 1 index .knownget
+       { 4 index 3 1 roll put }
+       { 3 index exch .undef }
+      ifelse
+       {	% Stack: <orig> <request> <merged> <failed> <attrkey>
+	 3 index 1 index .knownget
+	  { 5 index 2 index .knownget { ne } { pop true } ifelse }
+	  { true }
+	 ifelse		% Stack: ... <failed> <attrkey> <report>
+	  { 2 copy /rangecheck put }
+	 if pop
+       }
+      forall
+    }
+   ifelse
+ } bind def
+
+% Apply Policies to any unprocessed failed requests.
+% As we process each request entry, we replace the error name
+% in the <failed> dictionary with the policy value,
+% and we replace the key in the <merged> dictionary with its prior value
+% (or remove it if it had no prior value).
+/.policyprocs mark
+% These procedures are called with the following on the stack:
+%   <orig> <merged> <failed> <Policies> <key> <policy>
+% They are expected to consume the top 2 operands.
+% NOTE: we currently treat all values other than 0, 1, or 7 (for PageSize)
+% the same as 0, i.e., we signal an error.
+%  0 {  	      % Set errorinfo and signal a configurationerror.
+%     pop dup 4 index exch get 2 array astore
+%     $error /errorinfo 3 -1 roll put
+%     cleartomark
+%     /setpagedevice load /configurationerror signalerror
+%  } bind
+%%%% MRS - The current CUPS backend driver does not register any of
+%%%%	   these attributes with GhostScript from the PPD file.  As
+%%%%	   a result, we must allow all attributes and values.
+  0 {	      % For all attributes just impose the request.
+	 pop 2 index exch 7 put
+  } bind
+  1 {		% Roll back the failed request to its previous status.
+DEBUG { (Rolling back.\n) print pstack flush } if
+	3 index 2 index 3 -1 roll put
+	4 index 1 index .knownget
+	 { 4 index 3 1 roll put }
+	 { 3 index exch .undef }
+	ifelse
+  } bind
+  7 {		% For PageSize only, just impose the request.
+	1 index /PageSize eq
+	 { pop pop 1 index /PageSize 7 put }
+	 { .policyprocs 0 get exec }
+	ifelse
+  } bind
+.dicttomark readonly def
+/.applypolicies		% <orig> <merged> <failed> .applypolicies
+			%   <orig> <merged'> <failed'>
+ { 1 index /Policies get 1 index
+    { type /integertype eq
+       { pop		% already processed
+       }
+       { 2 copy .knownget not { 1 index /PolicyNotFound get } if
+			% Stack: <orig> <merged> <failed> <Policies> <key>
+			%   <policy>
+	 .policyprocs 1 index .knownget not { .policyprocs 0 get } if exec
+       }
+      ifelse
+    }
+   forall pop
+ } bind def
+
+% Prepare to present parameters to the device, by spreading them onto the
+% operand stack and removing any that shouldn't be presented.
+/.prepareparams		% <params> .prepareparams -mark- <key1> <value1> ...
+ { mark exch dup
+    {			% Stack: -mark- key1 value1 ... merged key value
+      .presentspecial 2 index .knownget
+       { exec { 3 -1 roll } { pop pop } ifelse }
+       { 3 -1 roll }
+      ifelse
+    }
+   forall pop
+ } bind def
+
+% Put device parameters without resetting currentpagedevice.
+% (.putdeviceparams clears the current page device.)
+/.putdeviceparamsonly	% <device> <Policies|null> <require_all> -mark-
+			%   <key1> <value1> ... .putdeviceparamsonly
+			% On success: <device> <eraseflag>
+			% On failure: <device> <Policies|null> <req_all> -mark-
+			%   <key1> <error1> ...
+ { .currentpagedevice
+    { counttomark 4 add 1 roll .putdeviceparams
+      dup type /booleantype eq { 3 } { counttomark 5 add } ifelse -1 roll
+      .setpagedevice
+    }
+    { pop .putdeviceparams
+    }
+   ifelse
+ } bind def
+
+% Try setting the device parameters from the merged request.
+/.trysetparams		% <merged> <(ignored)> <device> <Policies>
+			%   .trysetparams
+ { true 4 index .prepareparams
+			% Add the computed PageSize.
+			% Stack: merged (ignored) device Policies -true-
+			%   -mark- key1 value1 ...
+   counttomark 5 add index .computemediasize
+   exch pop exch pop /PageSize exch
+DEBUG { (Putting.\n) print pstack flush } if
+   .putdeviceparamsonly
+DEBUG { (Result of putting.\n) print pstack flush } if
+ } bind def
+
+% Compute the media size and initial matrix from a merged request (after
+% media selection).
+/.computemediasize	% <request> .computemediasize
+			%   <request> <matrix> <[width height]>
+ { dup /PageSize get					% requested page size
+   1 index /InputAttributes get
+     2 index (%MediaSource) get get /PageSize get	% media size
+							% (may be a range)
+   2 index /Policies get
+     dup /PageSize .knownget
+      { exch pop } { /PolicyNotFound get } ifelse	% PageSize policy,
+							% affects scaling
+   3 index /Orientation .knownget not { null } if
+   4 index /RollFedMedia .knownget not { false } if
+   matrix .matchpagesize not {
+		% This is a "can't happen" condition!
+     /setpagedevice load /rangecheck signalerror
+   } if
+   2 array astore
+ } bind def
+
+% ---------------- setpagedevice itself ---------------- %
+
+/setpagedevice
+ {		% We mustn't pop the argument until the very end,
+		% so that the pseudo-operator machinery can restore the stack
+		% if an error occurs.
+   mark 1 index currentpagedevice
+
+		% Check whether we are changing OutputDevice;
+		% also handle the case where the current device
+		% is not a page device.
+		% Stack: mark <request> <current>
+DEBUG { (Checking.\n) print pstack flush } if
+
+   dup /OutputDevice .knownget
+    {		% Current device is a page device.
+      2 index /OutputDevice .knownget
+       {	% A specific OutputDevice was requested.
+	 2 copy eq
+	  { pop pop null }
+	  { exch pop }
+	 ifelse
+       }
+       { pop null
+       }
+      ifelse
+    }
+    {		% Current device is not a page device.
+		% Use the default device.
+      1 index /OutputDevice .knownget not { .defaultdevicename } if
+    }
+   ifelse
+   dup null eq
+    { pop
+    }
+    { exch pop .defaultdeviceparams
+		% In case of duplicate keys, .dicttomark takes the entry
+		% lower on the stack, so we can just append the defaults here.
+      .requiredattrs { } forall .dicttomark
+    }
+   ifelse
+
+		% Check whether a viewer wants to intervene.
+		% We must check both the request (which takes precedence)
+		% and the current dictionary.
+		% Stack: mark <request> <orig>
+   exch dup /ViewerPreProcess .knownget
+    { exec }
+    { 1 index /ViewerPreProcess .knownget { exec } if }
+   ifelse exch
+
+		% Construct a merged request from the actual request plus
+		% any keys that should always be propagated.
+		% Stack: mark <request> <orig>
+DEBUG { (Merging.\n) print pstack flush } if
+
+   exch 1 index length 1 index length add dict
+   .copiedkeys
+    {		% Stack: <orig> <request> <merged> <key>
+      3 index 1 index .knownget { 3 copy put pop } if pop
+    }
+   forall
+		% Stack: <orig> <request> <merged>
+   dup 2 index
+    {		% stack: <orig> <request> <merged> <merged> <rkey> <rvalue>
+      .mergespecial 2 index .knownget { exec } if
+      put dup
+    }
+   forall pop
+		% Hack: if FIXEDRESOLUTION is true, discard any attempt to
+		% change HWResolution.
+   FIXEDRESOLUTION { dup /HWResolution .undef } if
+		% Hack: if FIXEDMEDIA is true, discard any attempt to change
+		% PageSize or HWSize.
+   FIXEDMEDIA
+    { dup /PageSize 4 index /PageSize get put
+      dup /HWSize 4 index /HWSize get put
+    } if
+
+		% Select input and output media.
+		% Stack: mark <orig> <request> <merged>
+DEBUG { (Selecting.\n) print pstack flush } if
+
+   0 dict	% <failed>
+   1 index /InputAttributes .knownget
+    { 2 index /Policies get
+      .inputattrkeys (%MediaSource) cvn .selectmedia
+    } if
+   1 index /OutputAttributes .knownget
+    { 2 index /Policies get
+      .outputattrkeys (%MediaDestination) cvn .selectmedia
+     } if
+   3 -1 roll 4 1 roll		% temporarily swap orig & request
+   .applypolicies
+   3 -1 roll 4 1 roll		% swap back
+
+		% Construct the new device, and attempt to set its attributes.
+		% Stack: mark <orig> <request> <merged> <failed>
+DEBUG { (Constructing.\n) print pstack flush } if
+
+   currentdevice .devicename 2 index /OutputDevice get eq
+    { currentdevice }
+    { 1 index /OutputDevice get finddevice }
+   ifelse
+		%**************** We should copy the device here,
+		%**************** but since we can't close the old device,
+		%**************** we don't.  This is WRONG.
+	%****************copydevice
+   2 index /Policies get
+   .trysetparams
+   dup type /booleantype ne
+    {		% The request failed.
+		% Stack: ... <orig> <request> <merged> <failed> <device>
+		%   <Policies> true mark <name> <errorname> ...
+DEBUG { (Recovering.\n) print pstack flush } if
+      counttomark 4 add index
+      counttomark 2 idiv { dup 4 -2 roll put } repeat
+      pop pop pop
+		% Stack: mark ... <orig> <request> <merged> <failed> <device>
+		%   <Policies>
+      6 2 roll 3 -1 roll 4 1 roll
+      .applypolicies
+      3 -1 roll 4 1 roll 6 -2 roll
+      .trysetparams		% shouldn't fail!
+      dup type /booleantype ne
+       { 2 { counttomark 1 add 1 roll cleartomark } repeat
+         /setpagedevice load exch signalerror
+       }
+      if
+    }
+   if
+
+		% The attempt succeeded.  Install the new device.
+		% Stack: mark ... <merged> <failed> <device> <eraseflag>
+DEBUG { (Installing.\n) print pstack flush } if
+
+   pop 2 .endpage
+    { 1 true .outputpage
+      (>>setpagedevice, press <return> to continue<<\n) .confirm
+    }
+   if
+		% .setdevice clears the current page device!
+   .currentpagedevice pop exch
+   .setdevice pop
+   .setpagedevice
+
+		% Merge the request into the current page device,
+		% unless we're changing the OutputDevice.
+		% Stack: mark ... <merged> <failed>
+   exch currentpagedevice dup length 2 index length add dict
+		% Stack: mark ... <failed> <merged> <current> <newdict>
+   2 index /OutputDevice .knownget {
+     2 index /OutputDevice .knownget not { null } if eq
+   } {
+     true
+   } ifelse {
+		% Same OutputDevice, merge the dictionaries.
+     .copydict
+   } {
+		% Different OutputDevice, discard the old dictionary.
+     exch pop
+   } ifelse .copydict
+		% Initialize the default matrix, taking media matching
+		% into account.
+   .computemediasize pop initmatrix concat
+   dup /PageOffset .knownget
+    {		% Translate by the given number of 1/72" units in device X/Y.
+      dup 0 get exch 1 get
+      2 index /HWResolution get dup 1 get exch 0 get
+      4 -1 roll mul 72 div   3 1 roll mul 72 div
+      idtransform translate
+    }
+   if
+		% We must install the new page device dictionary
+		% before calling the Install procedure.
+   dup .setpagedevice
+   .setdefaultscreen	% Set the default screen before calling Install.
+   dup /Install .knownget { exec } if
+   matrix currentmatrix .setdefaultmatrix
+		% Erase and initialize the page.
+   erasepage initgraphics
+   .beginpage
+
+		% Clean up, calling PolicyReport if needed.
+		% Stack: mark ... <failed> <merged>
+DEBUG { (Finishing.\n) print pstack flush } if
+
+   exch dup length 0 ne
+    { 1 index /Policies get /PolicyReport get
+      counttomark 1 add 2 roll cleartomark
+      exec
+    }
+    { cleartomark
+    }
+   ifelse pop
+
+ } odef
+
+end				% level2dict
+.setlanguagelevel
diff --git a/pstoraster/gs_statd.ps b/pstoraster/gs_statd.ps
new file mode 100644
index 000000000..4c070e7ea
--- /dev/null
+++ b/pstoraster/gs_statd.ps
@@ -0,0 +1,301 @@
+%    Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_statd.ps 1395 2000-09-29 13:31:48Z mike $
+% This file provides statusdict, serverdict, and assorted LaserWriter
+% operators, mostly for the benefit of poorly designed PostScript programs
+% that 'know' they are running on a LaserWriter.
+
+systemdict begin
+	% We make statusdict a little larger for Level 2 stuff.
+	% Note that it must be allocated in local VM.
+ .currentglobal false .setglobal
+ /statusdict 89 dict .forcedef		% statusdict is local, sys'dict global
+	% To support the Level 2 job control features,
+	% serverdict must also be in local VM.
+ /serverdict 10 dict .forcedef		% serverdict is local, sys'dict global
+ .setglobal
+end
+
+% Define various paper formats.  The Adobe documentation defines only these:
+% 11x17, a3, a4, a4small, b5, ledger, legal, letter, lettersmall, note.
+% These procedures are also accessed as data structures during initialization,
+% so the page dimensions must be the first two elements of the procedure.
+
+/.setpagesize { /statusdict .systemvar begin .setpagesize end } bind def
+userdict begin
+		% Page sizes defined by Adobe documentation
+ /11x17 {792 1224 //.setpagesize exec} bind def  % 11x17 portrait
+ /a3 {842 1191 //.setpagesize exec} bind def
+ /a4 {595 842 //.setpagesize exec} bind def
+% a4small should be a4 with an ImagingBBox of [25 25 570 817].
+ /a4small /a4 load def
+ /b5 {516 729 //.setpagesize exec} bind def
+ /ledger {1224 792 //.setpagesize exec} bind def  % 11x17 landscape
+ /legal {612 1008 //.setpagesize exec} bind def
+ /letter {612 792 //.setpagesize exec} bind def
+% lettersmall should be letter with an ImagingBBox of [25 25 587 767].
+ /lettersmall /letter load def
+% note should be letter (or some other size) with the ImagingBBox
+% shrunk by 25 units on all 4 sides.
+ /note /letter load def
+		% End of Adobe-defined page sizes
+STRICT { (%END) .skipeof } if
+		% Other page sizes
+	% ISO standard paper sizes
+ /a0 {2384 3370 //.setpagesize exec} bind def
+ /a1 {1684 2384 //.setpagesize exec} bind def
+ /a2 {1191 1684 //.setpagesize exec} bind def
+% /a3 {842 1191 //.setpagesize exec} bind def	% defined by Adobe
+% /a4 {595 842 //.setpagesize exec} bind def	% defined by Adobe
+ /a5 {420 595 //.setpagesize exec} bind def
+ /a6 {297 420 //.setpagesize exec} bind def
+ /a7 {210 297 //.setpagesize exec} bind def
+ /a8 {148 210 //.setpagesize exec} bind def
+ /a9 {105 148 //.setpagesize exec} bind def
+ /a10 {73 105 //.setpagesize exec} bind def
+ /b0 {2920 4127 //.setpagesize exec} bind def
+ /b1 {2064 2920 //.setpagesize exec} bind def
+ /b2 {1460 2064 //.setpagesize exec} bind def
+ /b3 {1032 1460 //.setpagesize exec} bind def
+ /b4 {729 1032 //.setpagesize exec} bind def
+% /b5 {516 729 //.setpagesize exec} bind def	% defined by Adobe
+ /b6 {363 516 //.setpagesize exec} bind def
+ /b7 {258 363 //.setpagesize exec} bind def
+ /b8 {181 258 //.setpagesize exec} bind def
+ /b9 {127 181 //.setpagesize exec} bind def
+ /b10 {91 127 //.setpagesize exec} bind def
+ /c0 {2599 3676 //.setpagesize exec} bind def
+ /c1 {1837 2599 //.setpagesize exec} bind def
+ /c2 {1298 1837 //.setpagesize exec} bind def
+ /c3 {918 1298 //.setpagesize exec} bind def
+ /c4 {649 918 //.setpagesize exec} bind def
+ /c5 {459 649 //.setpagesize exec} bind def
+ /c6 {324 459 //.setpagesize exec} bind def
+	% U.S. CAD standard paper sizes
+ /archE {2592 3456 //.setpagesize exec} bind def
+ /archD {1728 2592 //.setpagesize exec} bind def
+ /archC {1296 1728 //.setpagesize exec} bind def
+ /archB {864 1296 //.setpagesize exec} bind def
+ /archA {648 864 //.setpagesize exec} bind def
+	% Other paper sizes
+ /flsa {612 936 //.setpagesize exec} bind def  % U.S. foolscap
+ /flse {612 936 //.setpagesize exec} bind def  % European foolscap
+ /halfletter {396 612 //.setpagesize exec} bind def
+% /tabloid {792 1224 //.setpagesize exec} bind def  % 11x17 portrait
+% /csheet {1224 1584 //.setpagesize exec} bind def % ANSI C 17x22
+% /dsheet {1584 2448 //.setpagesize exec} bind def % ANSI D 22x34
+% /esheet {2448 3168 //.setpagesize exec} bind def % ANSI E 34x44
+%END SIZES
+end
+currentdict /.setpagesize .undef
+
+statusdict begin
+
+% Define the pagetype values for the known page formats.
+% The values for all but letter and note are arbitrary.
+/.pagetypenames
+ { /letter /note /legal 
+   /a0 /a1 /a2 /a3 /a4 /a5 /a6 /a7 /a8 /a9 /a10
+   /b0 /b1 /b2 /b3 /b4 /b5 /archE /archD /archC /archB /archA
+   /flsa /flse /halfletter /11x17 /ledger
+ } cvlit readonly def
+
+%%%%%% The following items were suggested by a user as useful.
+
+% Permanent definitions
+
+/ramsize         4194304 def
+/hardwareiomode        0 def
+	/sethardwareiomode     {pop} bind def
+/softwareiomode        0 def
+	/setsoftwareiomode     {pop} bind def
+/dosysstart        false def
+	/setdosysstart         {pop} bind def
+/allowjobreset      true def
+	/setallowjobreset      {pop} bind def
+/defaultpaperfamily    0 def
+	/setdefaultpaperfamily {pop} bind def
+/defaultpapertray      0 def
+	/setdefaultpapertray   {pop} bind def
+/defaulttrayswitch false def
+	/setdefaulttrayswitch  {pop} bind def
+
+% Tray and format selection
+
+ /11x17tray userdict /11x17 get def
+ /a3tray userdict /a3 get def
+ /a4tray userdict /a4 get def
+ /a5tray userdict /a5 get def
+ /a6tray userdict /a6 get def
+ /b4tray userdict /b4 get def
+ /flsatray userdict /flsa get def
+ /flsetray userdict /flse get def
+ /halflettertray userdict /halfletter get def
+ /ledgertray userdict /ledger get def
+ /legaltray userdict /legal get def
+ /lettertray userdict /letter get def
+
+% Per-job parameters
+
+/paperfamily 0 def	% 0 is US, 1 is European
+/papertray 1 def
+	/setpapertray {statusdict exch /papertray exch put} bind def 
+/trayswitch false def	% paperout feeds from another tray
+% We don't implement the (undocumented by Adobe) papersize 'operator',
+% because it's very awkward to make it interact properly with all the
+% different ways of setting the paper size.
+%/papersize {/letter true} bind def	% <name of paper size>, <short-edge-first-p>
+/appletalktype (LaserWriter) def
+
+%%%%%% The following items are defined in the PostScript Language
+%%%%%% Reference Manual, First Edition, and subsequent 'compatibility'
+%%%%%% documentation from Adobe.
+
+ /checkpassword {statusdict begin .password eq end} bind def
+ /defaulttimeouts {statusdict begin .timeouts aload pop end} bind def
+%/dostartpage
+ /eescratch {pop 0} bind def
+ /idlefonts {statusdict begin mark .idlefonts aload pop end} bind def
+ /jobname () def
+%/jobtimeout
+ /manualfeed false def
+ /manualfeedtimeout 60 def
+ /margins {statusdict begin .topmargin .leftmargin end} bind def
+ /pagecount {4711} bind def
+ /pagestackorder {false} bind def
+ /pagetype 0 def
+ /prefeed false def
+ /printererror {pop pop} bind def
+ /printername {statusdict /.printername get exch copy} bind def
+ /processcolors /processcolors load def		% defined in systemdict
+ /product product def		% product is defined in systemdict
+ /revision revision def		% revision is defined in systemdict
+ /sccbatch {pop 9600 0} bind def
+ /sccinteractive {pop 9600 0} bind def
+ /setdefaulttimeouts {statusdict begin .timeouts astore pop end} bind def
+ /setdostartpage {statusdict exch /dostartpage exch put} bind def
+ /setduplexmode {mark /Duplex 3 -1 roll currentdevice putdeviceprops} bind def
+ /seteescratch {pop pop} bind def
+ /setidlefonts {] statusdict exch /.idlefonts exch put} bind def
+ /setjobtimeout {statusdict exch /jobtimeout exch put} bind def
+ /setmargins
+  { statusdict begin
+    /.leftmargin exch def /.topmargin exch def
+    end
+  } bind def
+
+% The following compatibility operators are only documented by Adobe in a
+% supplement to the Red Book.
+%
+%	- pagemargin <offset>
+%	- pageparams <width> <height> <offset> <orientation>
+%	<width> <height> <orientation> setpage -
+%	<offset> setpagemargin -
+%	<width> <height> <offset> <orientation> setpageparams -
+%
+% width and height are in default units (and if orientation is odd, are
+% exchanged!).  offset is the x margin, also in default units.
+% Unfortunately, because orientation is relative to the device paper feed,
+% it does not have a consistent meaning in terms of image orientation.
+% We follow the convention that ORIENT1 determines the orientation value
+% that means portait: false means 0, true means 1.
+
+ /pagemargin { 0 } bind def
+ /pageparams
+  { currentdevice 1 dict dup /PageSize dup put .getdeviceparams
+    exch pop exch pop aload pop 0 ORIENT1 { 1 } { 0 } ifelse
+  } bind def
+ /setpage
+  { ORIENT1 { 1 } { 0 } ifelse ne {exch} if
+    statusdict /.setpagesize get exec
+  } bind def
+ /setpagemargin {pop} bind def	% can't do better without setpagedevice
+ /setpageparams
+  { exch pop ORIENT1 { 1 } { 0 } ifelse ne {exch} if
+    statusdict /.setpagesize get exec
+  } bind def
+ /setpagetype
+  { statusdict begin
+      dup .pagetypenames exch get //systemdict exch get exec
+      /pagetype exch def
+    end
+  } bind def
+ /setpassword
+  {exch checkpassword
+    {statusdict exch /.password exch put true}
+    {pop false}
+   ifelse} bind def
+ /setprintername
+  {dup length string copy statusdict exch /.printername exch put} bind def
+
+% setresolution is not documented by Adobe, but some applications
+% use it anyway, without testing whether or not it is present.
+%
+%	<pixels_per_inch> setresolution -
+%
+% sets the resolution of the device.
+
+ /setresolution
+  { mark /HWResolution [ 4 -1 roll dup ] currentdevice putdeviceprops pop
+    initmatrix erasepage
+  } bind def
+ /setsccbatch {pop pop pop} bind def
+ /setsccinteractive {pop pop pop} bind def
+ /settumble {pop} bind def
+ /waittimeout 300 def
+
+%%%%%% End of documented items.
+
+/.setpagesize
+ { mark /HWSize [
+     4 index 4 index matrix defaultmatrix dtransform
+     abs ceiling cvi exch abs ceiling cvi exch
+   ] currentdevice putdeviceprops pop pop pop
+   initmatrix initclip erasepage
+ } bind def
+/.password 0 def
+/.timeouts [0 60 30] def
+true setdostartpage
+mark setidlefonts
+0 setjobtimeout
+0 0 setmargins
+product setprintername
+
+end	% statusdict
+
+% The following contents of serverdict are a complete guess,
+% based on some observed LaserWriter boilerplate.
+
+serverdict begin
+
+ /execjob { } bind def
+% The Red Book implies that something like the following is
+% an appropriate definition of exitserver.
+ /exitserver { clear stop } bind def
+% However, this interacts badly with our standard error handler,
+% so we override it with the following less appropriate definition.
+ /exitserver { 0 ne { clear cleardictstack } if } bind def
+ /setrealdevice { } bind def
+
+end	% serverdict
diff --git a/pstoraster/gs_std_e.ps b/pstoraster/gs_std_e.ps
new file mode 100644
index 000000000..79e1dca44
--- /dev/null
+++ b/pstoraster/gs_std_e.ps
@@ -0,0 +1,81 @@
+%    Copyright (C) 1993, 1994 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_std_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the standard encoding vector.
+/StandardEncoding
+% \00x
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+% \04x
+    /space /exclam /quotedbl /numbersign
+	/dollar /percent /ampersand /quoteright
+    /parenleft /parenright /asterisk /plus
+	/comma /minus /period /slash
+    /zero /one /two /three
+	/four /five /six /seven
+    /eight /nine /colon /semicolon
+	/less /equal /greater /question
+% \10x
+    /at /A /B /C /D /E /F /G
+    /H /I /J /K /L /M /N /O
+    /P /Q /R /S /T /U /V /W
+    /X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore
+% \14x
+    /quoteleft /a /b /c /d /e /f /g
+    /h /i /j /k /l /m /n /o
+    /p /q /r /s /t /u /v /w
+    /x /y /z /braceleft /bar /braceright /asciitilde /.notdef
+% \20x
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+% \24x
+    /.notdef /exclamdown /cent /sterling
+	/fraction /yen /florin /section
+    /currency /quotesingle /quotedblleft /guillemotleft
+	/guilsinglleft /guilsinglright /fi /fl
+    /.notdef /endash /dagger /daggerdbl
+	/periodcentered /.notdef /paragraph /bullet
+    /quotesinglbase /quotedblbase /quotedblright /guillemotright
+	/ellipsis /perthousand /.notdef /questiondown
+% \30x
+    /.notdef /grave /acute /circumflex /tilde /macron /breve /dotaccent
+    /dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
+    /emdash /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+    /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+% \34x
+    /.notdef /AE /.notdef /ordfeminine /.notdef /.notdef /.notdef /.notdef
+    /Lslash /Oslash /OE /ordmasculine /.notdef /.notdef /.notdef /.notdef
+    /.notdef /ae /.notdef /.notdef /.notdef /dotlessi /.notdef /.notdef
+    /lslash /oslash /oe /germandbls /.notdef /.notdef /.notdef /.notdef
+% Make an array on large systems, a packed array on small ones.
+256
+vmstatus exch pop exch pop
+100000 ge { array astore readonly } { packedarray } ifelse
+def
+0 StandardEncoding .registerencoding
+/StandardEncoding StandardEncoding .defineencoding
diff --git a/pstoraster/gs_sym_e.ps b/pstoraster/gs_sym_e.ps
new file mode 100644
index 000000000..cdd17141f
--- /dev/null
+++ b/pstoraster/gs_sym_e.ps
@@ -0,0 +1,91 @@
+%    Copyright (C) 1991, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_sym_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the Symbol encoding vector.
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/SymbolEncoding
+% \000
+    StandardEncoding 0 32 getinterval aload pop		% /.notdef
+% \040
+    /space /exclam /universal /numbersign
+	/existential /percent /ampersand /suchthat
+    /parenleft /parenright /asteriskmath /plus
+	/comma /minus /period /slash
+    /zero /one /two /three
+	/four /five /six /seven
+    /eight /nine /colon /semicolon
+	/less /equal /greater /question
+% \100
+    /congruent /Alpha /Beta /Chi
+	/Delta /Epsilon /Phi /Gamma
+    /Eta /Iota /theta1 /Kappa
+	/Lambda /Mu /Nu /Omicron
+    /Pi /Theta /Rho /Sigma
+	/Tau /Upsilon /sigma1 /Omega
+    /Xi /Psi /Zeta /bracketleft
+	/therefore /bracketright /perpendicular /underscore
+% \140
+    /radicalex /alpha /beta /chi
+	/delta /epsilon /phi /gamma
+    /eta /iota /phi1 /kappa
+	/lambda /mu /nu /omicron
+    /pi /theta /rho /sigma
+	/tau /upsilon /omega1 /omega
+    /xi /psi /zeta /braceleft
+	/bar /braceright /similar /.notdef
+% \200
+    StandardEncoding 0 32 getinterval aload pop		% /.notdef
+% \240
+    /.notdef /Upsilon1 /minute /lessequal
+	/fraction /infinity /florin /club
+    /diamond /heart /spade /arrowboth
+	/arrowleft /arrowup /arrowright /arrowdown
+    /degree /plusminus /second /greaterequal
+	/multiply /proportional /partialdiff /bullet
+    /divide /notequal /equivalence /approxequal
+	/ellipsis /arrowvertex /arrowhorizex /carriagereturn
+% \300
+    /aleph /Ifraktur /Rfraktur /weierstrass
+	/circlemultiply /circleplus /emptyset /intersection
+    /union /propersuperset /reflexsuperset /notsubset
+	/propersubset /reflexsubset /element /notelement
+    /angle /gradient /registerserif /copyrightserif
+	/trademarkserif /product /radical /dotmath
+    /logicalnot /logicaland /logicalor /arrowdblboth
+	/arrowdblleft /arrowdblup /arrowdblright /arrowdbldown
+% \340
+    /lozenge /angleleft /registersans /copyrightsans
+	/trademarksans /summation /parenlefttp /parenleftex
+    /parenleftbt /bracketlefttp /bracketleftex /bracketleftbt
+	/bracelefttp /braceleftmid /braceleftbt /braceex
+    /euro /angleright /integral /integraltp
+	/integralex /integralbt /parenrighttp /parenrightex
+    /parenrightbt /bracketrighttp /bracketrightex /bracketrightbt
+	/bracerighttp /bracerightmid /bracerightbt /.notdef
+256 packedarray .defineencoding
+2 SymbolEncoding .registerencoding
+exec
diff --git a/pstoraster/gs_ttf.ps b/pstoraster/gs_ttf.ps
new file mode 100644
index 000000000..8fdbd2eb9
--- /dev/null
+++ b/pstoraster/gs_ttf.ps
@@ -0,0 +1,694 @@
+%    Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_ttf.ps 956 2000-03-08 23:15:43Z mike $
+% Support code for direct use of TrueType fonts.
+% (Not needed for Type 42 fonts.)
+
+% Thanks to B. Jackowski and GUST (the Polish TeX Users' Group) for
+% the glyf-splitting code.
+
+% ---------------- Font loading machinery ---------------- %
+
+% Augment the FONTPATH machinery so it recognizes TrueType fonts.
+
+/.scanfontheaders where {	% only defined if DISKFONTS is recognized
+  pop /.scanfontheaders [ .scanfontheaders aload pop (\000\001\000\000*) ] def
+} if
+
+% <file> <key> .findfontvalue <value> true
+% <file> <key> .findfontvalue false
+% Closes the file in either case.
+/.findnonttfontvalue /.findfontvalue load def
+/.findfontvalue {
+  1 index read pop 2 index 1 index unread 0 eq {
+		% If this is a font at all, it's a TrueType font.
+    dup /FontType eq {
+      pop closefile 42 true
+    } {
+      dup /FontName eq { pop .findttfontname } { pop closefile false } ifelse
+    } ifelse
+  } {
+		% Not a TrueType font.
+    .findnonttfontvalue
+  } ifelse
+} bind def
+
+% <file> .findttfontname <fname> true
+% <file> .findttfontname false
+% Closes the file in either case.
+/.findttfontname {
+  .loadttfonttables
+  tabdict /name .knownget {
+    dup 8 getu32 f exch setfileposition
+    12 getu32 string f exch readstring pop
+    6 findname
+  } {
+    false
+  } ifelse
+  f closefile end end
+} bind def
+
+% Load a font file that might be a TrueType font.
+
+% <file> .loadfontfile -
+/.loadnonttfontfile /.loadfontfile load def
+/.loadfontfile {
+  dup read pop 2 copy unread 0 eq {
+		% If this is a font at all, it's a TrueType font.
+    .loadttfont pop
+  } {
+		% Not a TrueType font.
+    .loadnonttfontfile
+  } ifelse
+} bind def
+
+% ---------------- Automatic Type 42 generation ---------------- %
+
+% Load a TrueType font from a file as a Type 42 PostScript font.
+% The thing that makes this really messy is the handling of encodings.
+% There are 2 interacting tables that affect the encoding:
+%       'cmap' provides multiple maps from character codes to glyph indices
+%       'post' maps glyph indices to glyph names (if present)
+% What we need to get out of this is:
+%       Encoding mapping character codes to glyph names
+%         (the composition of cmap and post)
+%       CharStrings mapping glyph names to glyph indices
+%         (the inverse of post)
+% If the post table is missing, we have to take a guess based on the cmap
+% table.
+
+/.loadttfontdict mark
+/orgXUID 107 def        % Aladdin Enterprises organization XUID
+/maxstring 32000 def    % half the maximum length of a PostScript string,
+			% must be a multiple of 4 (for hmtx / loca / vmtx)
+
+% Define the Macintosh standard mapping from characters to glyph indices.
+/MacRomanEncoding dup .findencoding def
+/MacGlyphEncoding mark
+    /.notdef /.null /CR
+MacRomanEncoding 32 95 getinterval aload pop
+MacRomanEncoding 128 45 getinterval aload pop
+% 143
+    /notequal /AE
+	/Oslash /infinity /plusinus /lessequal /greaterequal
+    /yen /mu1 /partialdiff /summation /product
+	/pi /integral /ordfeminine /ordmasculine /Ohm
+    /ae /oslash /questiondown /exclamdown /logicalnot
+	/radical /florin /approxequal /increment /guillemotleft
+    /guillemotright /ellipsis /nbspace
+MacRomanEncoding 203 12 getinterval aload pop
+    /lozenge
+MacRomanEncoding 216 24 getinterval aload pop
+    /applelogo
+MacRomanEncoding 241 7 getinterval aload pop
+    /overscore
+MacRomanEncoding 249 7 getinterval aload pop
+% 226
+	/Lslash /lslash /Scaron /scaron
+    /Zcaron /zcaron /brokenbar /Eth /eth
+	/Yacute /yacute /Thorn /thorn /minus
+    /multiply /onesuperior /twosuperior /threesuperior /onehalf
+	/onequarter /threequarters /franc /Gbreve /gbreve
+    /Idot /Scedilla /scedilla /Cacute /cacute
+	/Ccaron /ccaron /dmacron
+/packedarray where
+ { pop counttomark packedarray exch pop }
+ { ] readonly }
+ifelse def
+
+% ---- Utilities ---- %
+
+% <string> <index> getu16 <integer>
+/getu16 {
+  2 copy get 8 bitshift 3 1 roll 1 add get add
+} bind def
+
+% <string> <index> gets16 <integer>
+/gets16 {
+  getu16 16#8000 xor 16#8000 sub
+} bind def
+
+% <string> <index> getu32 <integer>
+/getu32 {
+  2 copy getu16 16 bitshift 3 1 roll 2 add getu16 add
+} bind def
+
+% <string> <index> gets32 <integer>
+/gets32 {
+  2 copy gets16 16 bitshift 3 1 roll 2 add getu16 add
+} bind def
+
+% <string> <index> <integer> putu16 -
+/putu16 {
+  3 copy -8 bitshift put
+  exch 1 add exch 16#ff and put
+} bind def
+
+% <string> <index> <integer> putu32 -
+/putu32 {
+  3 copy -16 bitshift putu16
+  exch 2 add exch 16#ffff and putu16
+} bind def
+
+% <nametable> <nameid> findname <string> true
+% <nametable> <nameid> findname false
+/findname {
+  false 3 1 roll 0 1 3 index 2 getu16 1 sub {
+		% Stack: false table id index
+    12 mul 6 add 2 index exch 12 getinterval
+    dup 6 getu16 2 index eq {
+		% We found the name we want.
+      exch pop
+		% Stack: false table record
+      dup 10 getu16 2 index 4 getu16 add
+      1 index 8 getu16 4 -1 roll 3 1 roll getinterval exch
+		% Stack: false string record
+		% Check for 8- vs. 16-bit characters.
+      is2byte { string2to1 } if true null 4 -1 roll exit
+    } if pop
+  } for pop pop
+} bind def
+
+% <namerecord> is2byte <bool>
+/is2byte {
+  dup 0 getu16 {
+    { pop true }		% Apple Unicode
+    { pop false }		% Macintosh Script manager
+    { 1 getu16 1 eq }		% ISO
+    { 1 getu16 1 eq }		% Microsoft
+  } exch get exec
+} bind def
+
+% <string2> string2to1 <string>
+/string2to1 {
+  dup length 2 idiv string dup
+  0 1 3 index length 1 sub {
+    3 index 1 index 2 mul 1 add get put dup
+  } for pop exch pop
+} bind def
+
+% <array> <lt-proc> sort <array>
+/sort {
+  1 index length 1 sub -1 1 {
+    2 index exch 2 copy get 3 copy	% arr proc arr i arr[i] arr i arr[i]
+    0 1 3 index 1 sub {
+      3 index 1 index get	% arr proc arr i arr[i] arr imax amax j arr[j]
+      2 index 1 index 10 index exec {	% ... amax < arr[j]
+	4 2 roll
+      } if pop pop
+    } for			% arr proc arr i arr[i] arr imax amax
+    4 -1 roll exch 4 1 roll put put
+  } for pop
+} def
+
+% Each procedure in this dictionary is called as follows:
+%       -mark- encodingtable <<proc>> -mark- glyphindices...
+/cmapformats mark
+  0             % Apple standard 1-to-1 mapping.
+    { 6 256 getinterval { } forall
+    } bind
+  4             % Microsoft/Adobe segmented mapping.
+    { /etab exch def
+      /nseg2 etab 6 getu16 def
+      14 /endc etab 2 index nseg2 getinterval def
+		% The Apple TrueType documentation omits the 2-byte
+		% 'reserved pad' that follows the endCount vector!
+      2 add
+      nseg2 add /startc etab 2 index nseg2 getinterval def
+      nseg2 add /iddelta etab 2 index nseg2 getinterval def
+      nseg2 add /idroff etab 2 index nseg2 getinterval def
+		% The following hack allows us to properly handle
+		% idiosyncratic fonts that start at 0xf000:
+      /firstcode startc 0 getu16 16#ff00 and dup 16#f000 ne { pop 0 } if def
+      pop /numcodes counttomark 1 sub def
+      0 2 nseg2 3 sub
+       { /i2 exch def
+	 /scode startc i2 getu16 def
+	 /ecode endc i2 getu16 def
+	 numcodes scode firstcode sub
+		% Hack for fonts that have only 0x0000 and 0xf000 ranges
+	 dup 16#e000 ge { 255 and } if
+	 exch sub 0 max dup { 0 exch } repeat
+	 ecode scode sub 1 add add numcodes add /numcodes exch def
+	 /delta iddelta i2 gets16 def
+	 DEBUG {
+	   (scode=) print scode =only
+	   ( ecode=) print ecode =only
+	   ( delta=) print delta =only
+	   ( droff=) print idroff i2 getu16 =
+	 } if
+	 idroff i2 getu16 dup 0 eq {
+	   pop scode delta add 65535 and 1 ecode delta add 65535 and { } for
+	 }
+	 {     % The +2 is for the 'reserved pad'.
+	   /gloff exch 14 nseg2 3 mul add 2 add i2 add add def
+	   0 1 ecode scode sub {
+	     2 mul gloff add etab exch getu16
+	     dup 0 ne { delta add 65535 and } if
+	   } for
+	 } ifelse
+       }
+      for
+    } bind
+  6             % Single interval lookup.
+    { dup 6 getu16 { 0 exch } repeat
+      dup 8 getu16 0 exch 1 exch 1 sub
+       { 2 mul 10 add 2 copy getu16 exch pop exch }
+      for pop
+    } bind
+.dicttomark readonly def                % cmapformats
+
+% <cmaptab> cmaparray -mark- <glyphs> ...
+/cmaparray {
+  mark exch dup 0 getu16 cmapformats exch .knownget {
+    exec
+  } {
+    (Can't handle format ) print 0 getu16 = flush
+    0 1 255 { } for
+  } ifelse
+  DEBUG {
+    ([) print counttomark 1 sub -1 0 { index =only ( ) print } for (]) =
+  } if
+} bind def
+
+% Each procedure in this dictionary is called as follows:
+%       posttable <<proc>> glyphencoding
+/postformats mark
+  16#00010000  {	% 258 standard Macintosh glyphs.
+    MacGlyphEncoding
+  }
+  16#00020000  {	% Detailed map, required by Microsoft fonts.
+    /postglyphs exch def
+      postglyphs 32 getu16 /numglyphs exch def
+      /glyphnames numglyphs 2 mul 34 add def
+      [ 0 1 numglyphs 1 sub
+       { 2 mul 34 add postglyphs exch getu16
+	 dup 258 lt
+	  { MacGlyphEncoding exch get
+	  }
+	  { 258 sub glyphnames exch
+	     { postglyphs 1 index get 1 add add }
+	    repeat
+	    1 add postglyphs exch 2 copy 1 sub get getinterval cvn
+	  }
+	 ifelse
+       }
+      for ]
+  } bind
+  16#00030000  {	% No map.
+    pop [ ]
+  } bind
+.dicttomark readonly def                % postformats
+
+% Each procedure in this dictionary is called as follows:
+%	<file> <length> -proc- <string|array_of_strings>
+% Note that each table must have an even length, because of a strange
+% Adobe requirement that each sfnts entry have even length.
+/readtables mark
+	% Ordinary tables
+  (cmap) { .readtable }
+  (head) 1 index
+  (hhea) 1 index
+  (name) 1 index
+  (post) 1 index
+  (vhea) 1 index
+	% Big tables
+  (glyf) { .readbigtable }
+  (loca) 1 index
+  (hmtx) 1 index
+  (vmtx) 1 index
+.dicttomark readonly def                % readtables
+
+% Read a table as a single string.
+% <file> <length> .readtable <string>
+/.readtable {
+  dup dup 1 and add string
+		% Stack: f len str
+  dup 0 4 -1 roll getinterval
+		% Stack: f str str1
+  3 -1 roll exch readstring pop pop
+} bind def
+
+% Read a big table (one that may exceed 64K).
+% <file> <length> .readbigtable <string[s]>
+/.readbigtable {
+  dup 65400 lt {
+    .readtable
+  } {
+    currentuserparams /VMReclaim get -2 vmreclaim
+    [ 4 2 roll {
+		% Stack: mark ... f left
+      dup maxstring le { exit } if
+      1 index maxstring string readstring pop 3 1 roll maxstring sub
+    } loop .readtable ]
+    exch vmreclaim
+  } ifelse
+} bind def
+
+.dicttomark readonly def                % .loadttfontdict
+
+% <tab> .printtab -
+/.printtab {
+  dup 0 4 getinterval print ( ) print
+  dup 8 getu32 =only ( ) print
+  12 getu32 =
+} bind def
+
+% <file> .loadttfonttables -
+% Pushes .loadttfontdict & scratch dict on d-stack.
+% Defines f, offsets, tables, tabdict, tabs.
+/.loadttfonttables {
+  .loadttfontdict begin
+  40 dict begin
+  /f exch def
+  /offsets f 12 string readstring pop def
+  /tables f offsets 4 getu16 16 mul string readstring pop def
+  /tabdict tables length 16 idiv dict def
+	% tabs = tables we want to keep, sorted by file position.
+  /tabs [ 0 16 tables length 1 sub {
+    tables exch 16 getinterval
+    DEBUG { dup .printtab } if
+    dup 0 4 getinterval readtables 1 index known {
+      tabdict exch 2 index put
+    } {
+      pop pop
+    } ifelse
+  } for ] {
+    exch 8 getu32 exch 8 getu32 lt
+  } sort def
+} bind def
+
+% - .readttdata -
+% Read data.  Updates offsets, tabs; stores data in tabdict.
+/.readttdata {
+  /fpos offsets length tables length add def
+  /sfpos offsets length tabs length 16 mul add def
+  offsets 4 tabs length putu16
+  tabs {
+    dup 0 4 getinterval /tname exch def
+    dup 8 getu32 /tpos exch def
+    dup 12 getu32 /tlen exch def
+    8 sfpos putu32
+	% Skip data between the end of the previous table and
+	% the beginning of this one, if any.
+    tpos fpos gt {
+      f tpos fpos sub () /SubFileDecode filter dup flushfile closefile
+      /fpos tpos def
+    } if
+    f tlen readtables tname get exec
+    tabdict tname 3 -1 roll put
+    /fpos fpos tlen add def
+	% Round up the table length to an even value.
+    /sfpos sfpos tlen dup 1 and add add def
+  } forall
+} bind def
+
+% Find the string in a list of strings that includes a given index.
+% <strings> <index> .findseg <string> <index'>
+/.findseg {
+  exch {
+    dup length 2 index gt { exch exit } if
+    length sub
+  } forall
+} bind def
+
+% - .makesfnts -
+% Defines checksum, getloca, head, locatable, numglyphs, post, sfnts, upem
+/.makesfnts {
+  .readttdata
+  /head tabdict /head get def
+   /checksum head 8 getu32 def
+  /locatable tabdict /loca get def
+  /post tabdict /post .knownget not { null } if def
+  /numglyphs
+    locatable dup type /stringtype eq
+     { length }
+     { 0 exch { length add } forall }
+    ifelse	% no def yet
+  locatable type /stringtype eq {
+    /.indexloca {} def
+  } {
+    /.indexloca /.findseg load def
+  } ifelse
+  head 50 getu16 0 ne {
+    /getloca {
+      2 bitshift locatable exch .indexloca getu32
+    } def
+    4 idiv 1 sub
+  } {
+    /getloca {
+      dup add locatable exch .indexloca getu16 dup add
+    } def
+    2 idiv 1 sub
+  } ifelse def		% numglyphs
+	% If necessary, re-partition the glyfs.
+  tabdict /glyf get dup type /stringtype ne {
+    .dividesfnts tabdict /glyf 3 -1 roll put
+  } {
+    pop
+  } ifelse
+  /sfnts [
+    offsets tabs { concatstrings } forall
+    tabs {
+      0 4 getinterval tabdict exch get
+      dup type /stringtype ne { aload pop } if
+    } forall
+  ] def
+} bind def
+
+% - .getcmap -
+% Defines cmapsub, cmaptab
+/.getcmap {
+   tabdict /cmap get
+		% The Apple cmap format is no help in determining the encoding.
+		% Look for a Microsoft table.  If we can't find one,
+		% just use the first table, whatever it is.
+   dup 4 8 getinterval exch             % the default
+   0 1 2 index 2 getu16 1 sub
+    { 8 mul 4 add 1 index exch 8 getinterval
+      dup 0 getu16 3 eq { exch 3 -1 roll pop exit } if pop
+    }
+   for
+		% Stack: subentry table
+   /cmapsub 2 index def
+   exch 4 getu32 1 index length 1 index sub getinterval
+   /cmaptab exch def
+} bind def
+
+% <glyfs> .dividesfnts <glyfs'>
+/.dividesfnts {
+  /glyfs exch def
+  /len1 0 glyfs { length add } forall def
+		% Determine where to split the glyfs by scanning loca.
+		% The very last entry in loca may be bogus.
+		%
+		% Construct splitarray, the array of final lengths of
+		% the sfnts entries covering the glyfs (i.e., all but
+		% the first and last sfnts entries).
+    /prevsplit 0 def
+    /prevboundary 0 def
+    /splitarray [
+      0 1 numglyphs 1 sub {
+	getloca dup prevsplit maxstring add gt {
+	  prevboundary prevsplit sub exch
+	  /prevsplit prevboundary def
+	} if
+	/prevboundary exch def
+      } for
+      len1 prevsplit sub
+    ] def
+    currentuserparams /VMReclaim get -2 vmreclaim
+    [
+		% Re-split the sfnts glyfs strings according to splitarray.
+		% We do this by iterating over the final segments defined
+		% by splitarray, and constructing them from pieces of the
+		% current glyfs strings.  We recycle the current strings
+		% when possible, to avoid stressing the allocator.
+      /sfnt_idx 0 def
+      /strpos 0 def
+      /avail () def
+      splitarray {
+	/seglen exch def
+	/segpos 0 def
+	avail length seglen ge
+	  { avail 0 seglen getinterval /avail () def } { seglen string }
+	ifelse
+	{
+	  /str glyfs sfnt_idx get def
+	  /strlen str length def
+	  /strleft strlen strpos sub def
+	  seglen segpos sub strleft lt { exit } if
+		% Copy the (rest of the) string into the new segment.
+		% We know strleft <= segleft.
+	  dup segpos str strpos strleft getinterval putinterval
+	  /segpos segpos strleft add def
+	  /avail str def
+	  /sfnt_idx sfnt_idx 1 add def
+	  /strpos 0 def
+	  segpos seglen eq { exit } if
+	} loop
+		% Fill up the segment with an initial piece of the next
+		% existing glyfs string.  We know strleft > segleft.
+	/segleft seglen segpos sub def
+	dup segpos str strpos segleft getinterval putinterval
+	/strpos strpos segleft add def
+      } forall
+    ]
+    exch vmreclaim
+} bind def
+
+% - .ttkeys <key> <value> ...
+/.ttkeys {
+  /upem head 18 getu16 def
+  /FontMatrix matrix
+  /FontBBox [ 36 2 42 { head exch gets16 upem div } for ]
+  tabdict /name .knownget {
+		% Find the names from the 'name' table.
+    /names exch def
+    /FontName names 6 findname not { checksum 16 8 string cvrs } if
+      /fontname 1 index def
+    /FontInfo mark
+      names 0 findname { /Notice exch } if
+      names 1 findname { /FamilyName exch } if
+      names 4 findname { /FullName exch } if
+      names 5 findname { /Version exch } if
+  } {
+		% No name table, fabricate a FontName.
+    /FontName checksum 16 8 string cvrs
+      /fontname 1 index def
+    /FontInfo mark
+  } ifelse
+		% Stack: ... /FontInfo mark key1 value1 ...
+  post null ne {
+    /ItalicAngle post 4 gets32 65536.0 div
+    /isFixedPitch post 12 getu32 0 ne
+    /UnderlinePosition post 8 gets16 upem div
+    /UnderlineThickness post 10 gets16 upem div
+  } if
+  counttomark 0 ne { .dicttomark } { pop pop } ifelse
+  /XUID [orgXUID 42 checksum]
+  /sfnts sfnts
+  DEBUG {
+    tabs { .printtab } forall
+    [ sfnts { length } forall ] ==
+  } if
+} bind def
+
+% -mark- <key> <value> ... .definettfont <font>
+/.definettfont {
+  /FontType 42
+  /PaintType 0
+		% See if we have PostScript glyph name information.
+   /glyphencoding post null eq {
+     [ ]
+   } {
+     postformats post 0 getu32 .knownget { post exch exec } { [ ] } ifelse
+   } ifelse
+		% If necessary, fabricate additional glyphencoding entries
+		% to cover all of loca.
+   dup length numglyphs lt {
+     [ exch aload pop
+     counttomark 1 numglyphs 1 sub {
+	=string cvs (_) exch concatstrings cvn
+     } for ]
+   } if def
+  /Encoding
+    cmaptab cmaparray
+    counttomark array astore
+    { glyphencoding exch get } forall
+    counttomark 256 sub dup 0 ge {
+      { pop } repeat
+    } { neg { /.notdef } repeat
+    } ifelse ]
+		% Until we can compute the MD5 fingerprint,
+		% just use the precomputed checksum.
+  /CharStrings glyphencoding dup length dict
+    0 1 3 index length 1 sub {
+		% Stack: glyphencoding dict index
+      2 index 1 index get 2 index 1 index known {
+	pop pop
+      } {
+	2 index exch 3 -1 roll put
+      } ifelse
+    } for exch pop readonly
+  .dicttomark
+  end end dup /FontName get exch definefont
+} bind def
+
+% Create a string with N CIDs from the top of the stack.
+% <cid1> ... <cidN> <N> .makecidmap <string>
+/.makecidmap {
+  dup 2 mul string dup 3 -1 roll 1 sub 2 mul -2 0 {
+		% Stack: cids str str i2
+    2 copy 5 index -8 bitshift put
+    1 add 4 -1 roll 16#ff and put dup
+  } for pop
+} bind def
+
+% -mark- <key> <value> ... .definettcidfont <font>
+/.definettcidfont {
+  /CIDFontName fontname
+  /CIDFontType 2
+  /CIDSystemInfo mark
+    /Registry (Adobe)
+    /Ordering (Japan1)		% adhoc
+    /Supplement 0
+  .dicttomark
+  /CharStrings mark /.notdef 0 .dicttomark
+  cmaptab cmaparray
+  counttomark /cidcount exch def
+  cidcount maxstring le {
+		% Use a single string.
+    cidcount .makecidmap exch pop
+  } {
+		% We must use 2 strings.
+    maxstring .makecidmap counttomark 1 add 1 roll
+    counttomark .makecidmap exch pop exch 2 array astore
+  } ifelse
+  /CIDMap exch
+  /CIDCount cidcount
+  /GDBytes 2
+  .dicttomark
+  end end dup /CIDFontName get exch /CIDFont defineresource
+} bind def
+
+% <file> .loadttfont <type42font>
+/.loadttfont {
+  .loadttfonttables
+  .makesfnts
+  .getcmap
+  mark
+  .ttkeys
+  .definettfont
+} bind def
+
+% <file> .loadttcidfont <cidtype2font>
+/.loadttcidfont {
+  .loadttfonttables
+  .makesfnts
+  .getcmap
+  mark
+  .ttkeys
+  .definettcidfont
+} bind def
diff --git a/pstoraster/gs_typ32.ps b/pstoraster/gs_typ32.ps
new file mode 100644
index 000000000..444decd17
--- /dev/null
+++ b/pstoraster/gs_typ32.ps
@@ -0,0 +1,134 @@
+%    Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_typ32.ps 956 2000-03-08 23:15:43Z mike $
+% Initialization file for Type 32 fonts.
+
+% ------ Type 32 fonts ------ %
+
+% We need LanguageLevel 2 or higher in order to have defineresource.
+languagelevel dup 2 max .setlanguagelevel
+
+/BitmapFontInit mark
+
+/.makeglyph32 systemdict /.makeglyph32 get
+systemdict /.makeglyph32 .undef
+
+/addglyph {	% ([wx wy llx lly urx ury] |
+		%     [w0x w0y llx lly urx ury w1x w1y vx vy])
+		%   <bitmap> <cid> <type32font> addglyph -
+  1 index dup 2 index .removeglyphs
+  22 string .makeglyph32
+		% Stack: metrics bitmap cid font metstr
+  3 index () ne {
+		% Use G4 encoding to compress the bitmap.
+		% Define a string large enough to hold the metrics,
+		% an uncompressed bitmap (worst case = 5x expansion),
+		% and the 2 RTC codes (3 bytes).
+    dup length 4 index length 5 mul add 10 add string
+		% Stack: metrics bitmap cid font metstr buffer
+    dup 0 3 index putinterval
+    dup 2 index length 1 index length 1 index sub getinterval
+		% Stack: metrics bitmap cid font metstr buffer bitbuf
+    mark /Columns 8 index dup 4 get exch 2 get sub
+      /Rows 10 index dup 5 get exch 3 get sub
+      /K -1 /EndOfBlock true /BlackIs1 true
+    .dicttomark /CCITTFaxEncode filter
+		% Stack: metrics bitmap cid font metstr buffer filter
+    dup 6 index writestring closefile
+		% Find the end of the data by scanning backwards for the RTC.
+		% There are 2 RTCs x 12 bits = 3 bytes to remove.
+    {
+      dup dup length 1 sub get 0 ne { exit } if
+      0 1 index length 1 sub getinterval
+    } loop
+    0 1 index length 3 sub getinterval
+    exch pop	% metstr
+  } if
+  1 index /CharStrings get 3 index 3 -1 roll put
+  pop pop pop pop
+} obind
+
+/removeall {		% <type32font> removeall -
+  0 65535 2 index removeglyphs pop
+} obind
+
+/.removeglyphs systemdict /.removeglyphs get
+systemdict /.removeglyphs .undef
+
+/removeglyphs {		% <cid_min> <cid_max> <type32font> .removeglyphs -
+  3 copy .removeglyphs
+  dup /CharStrings get dup {
+		% Stack: cidmin cidmax font CharStrings cid bitmap
+    pop dup 5 index ge { dup 4 index le { 2 copy undef } if } if pop
+  } forall pop pop pop pop
+} obind
+
+.dicttomark /ProcSet defineresource pop
+
+/.cidfonttypes where { pop } { /.cidfonttypes 6 dict def } ifelse
+.cidfonttypes begin
+
+4	% CIDFontType 4 = FontType 32
+{ dup /FontType 32 put
+  dup /CharStrings 20 dict put
+  1 index exch .buildfont32 exch pop
+} bind def
+
+end		% .cidfonttypes
+
+% Define the BuildGlyph procedure.
+% Since Type 32 fonts are indexed by CID, there is no BuildChar procedure.
+% The name %Type32BuildGlyph is known to the interpreter.
+(%Type32BuildGlyph) cvn {	% <font> <cid> %Type32BuildGlyph -
+  1 index /CharStrings get
+		% Stack: font cid CharStrings
+  dup 2 index .knownget { exch pop } { 0 get } ifelse
+		% Stack: font cid cstr
+  dup .getmetrics32
+ dup 14 gt {
+    11 1 roll setcachedevice2
+  } {
+    7 1 roll setcachedevice
+  } ifelse
+		% Stack: font cid cstr w h nmetrics
+  4 -1 roll exch 1 index length 1 index sub getinterval
+		% Stack: font cid w h bitstr
+  dup () eq {
+    pop
+  } {
+    mark /Columns 4 index /Rows 5 index /K -1 /EndOfBlock false /BlackIs1 true
+    .dicttomark /CCITTFaxDecode filter 2 index 2 index true
+		% Stack: font cid w h filter w h true
+    [ 1 0 0 1 0 7 index ] 5 -1 roll imagemask
+  } ifelse
+  pop pop pop pop
+} bind def
+
+systemdict /.getmetrics32 .undef
+
+buildfontdict 32 /.buildfont32 cvx put
+
+32 dup /FontType defineresource pop
+
+.setlanguagelevel
diff --git a/pstoraster/gs_typ42.ps b/pstoraster/gs_typ42.ps
new file mode 100644
index 000000000..c50726802
--- /dev/null
+++ b/pstoraster/gs_typ42.ps
@@ -0,0 +1,52 @@
+%    Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_typ42.ps 956 2000-03-08 23:15:43Z mike $
+% Type 42 font support code.
+
+% Here are the BuildChar and BuildGlyph implementation for Type 42 fonts.
+% The names %Type42BuildChar and %Type42BuildGlyph are known to the
+% interpreter.  The real work is done in an operator:
+%	<font> <code|name> <name> <glyphindex> .type42execchar -
+
+(%Type42BuildChar) cvn	% <font> <code> %Type42BuildChar -
+ { 1 index /Encoding get 1 index get .type42build
+ } bind def
+(%Type42BuildGlyph) cvn	% <font> <name> %Type42BuildGlyph -
+ { dup .type42build
+ } bind def
+/.type42build		% <font> <code|name> <name> .type42build -
+ { 2 index begin
+    dup CharStrings exch .knownget not
+     { 2 copy eq { exch pop /.notdef exch } if
+       QUIET not
+	{ (Substituting .notdef for ) print = flush }
+	{ pop }
+       ifelse
+       /.notdef CharStrings /.notdef get
+     } if
+   end .type42execchar
+ } bind def
+
+% Register the font type for definefont.
+buildfontdict 42 /.buildfont42 cvx put
diff --git a/pstoraster/gs_type1.ps b/pstoraster/gs_type1.ps
new file mode 100644
index 000000000..9a8a09c01
--- /dev/null
+++ b/pstoraster/gs_type1.ps
@@ -0,0 +1,145 @@
+%    Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_type1.ps 956 2000-03-08 23:15:43Z mike $
+% Type 1 font support code.
+
+% The standard representation for PostScript compatible fonts is described
+% in the book "Adobe Type 1 Font Format", published by Adobe Systems Inc.
+
+% Define an augmented version of .buildfont1 that inserts UnderlinePosition
+% and UnderlineThickness entries in FontInfo if they aren't there already.
+% (This works around the incorrect assumption, made by many word processors,
+% that these entries are present in the built-in fonts.)
+/.buildfont1
+ { dup /FontInfo known not
+    { .growfontdict dup /FontInfo 2 dict put }
+   if
+   dup dup /FontInfo get dup dup
+   /UnderlinePosition known exch /UnderlineThickness known and
+    { pop pop		% entries already present
+    }
+    { dup length 2 add dict .copydict
+      dup /UnderlinePosition known not
+       { dup /UnderlinePosition 3 index /FontBBox .knownget
+          { 1 get 2 div }			% 1/2 the font descent
+	  { -100 } ifelse put
+       }
+      if
+      dup /UnderlineThickness known not
+       { dup /UnderlineThickness 3 index /FontBBox .knownget
+          { dup 3 get exch 1 get sub 20 div }	% 1/20 the font height
+	  { 50 } ifelse put
+       }
+      if
+      1 index /FontInfo get wcheck not { readonly } if
+      /FontInfo exch put
+    }
+   ifelse //.buildfont1
+ } bind def
+% If the diskfont feature isn't included, define a dummy .loadfontdict.
+/.loadfontdict where
+ { pop }
+ { /.loadfontdict 0 dict readonly def }
+ifelse
+/.loadfontfile		% <file> .loadfontfile -
+ { mark exch
+   DISKFONTS { .loadfontdict begin } if
+	% In order to load fonts reliably, we should push systemdict
+	% here.  However, Ed Taft says that Adobe implementations
+	% push userdict and nothing else!
+	% We really would just like systemdict on the stack,
+	% but fonts produced by Fontographer require a writable dictionary.
+	% However, we can't use any of the other well-known dictionaries
+	% (such as userdict), since the whole point of pushing systemdict
+	% is to make sure that nothing important has been redefined.
+   userdict begin
+	% We can't just use `run', because we want to check for .PFB files.
+   currentpacking
+    { false setpacking .loadfont1 true setpacking }
+    { .loadfont1 }
+   ifelse end
+    { stop } if
+   DISKFONTS { end } if
+   cleartomark
+ } bind def
+/.loadfont1		% <file> .loadfont1 <errorflag>
+ {	% We would like to use `false /PFBDecode filter',
+	% but this occasionally produces a whitespace character as
+	% the first of an eexec section, so we can't do it.
+	% Also, since the real input file never reaches EOF if we are using
+	% a PFBDecode filter (the filter stops just after reading the last
+	% character), we must explicitly close the real file in this case.
+	% Since the file might leave garbage on the operand stack,
+	% we have to create a procedure to close the file reliably.
+    { dup read not { -1 } if
+      2 copy unread 16#80 eq
+       { [ exch dup true /PFBDecode filter cvx exch cvlit
+         /closefile .systemvar ]
+       }
+      if cvx exec
+    } stopped
+   $error /newerror get and dup { .clearerror } if
+ } bind def
+
+
+% The CharStrings are a dictionary in which the key is the character name,
+% and the value is a compressed and encrypted representation of a path.
+% For detailed information, see the book "Adobe Type 1 Font Format",
+% published by Adobe Systems Inc.
+
+% Here are the BuildChar and BuildGlyph implementation for Type 1 fonts.
+% The names %Type1BuildChar and %Type1BuildGlyph are known to the interpreter.
+% The real work is done in an operator:
+%	<font> <code|name> <name> <charstring> .type1execchar -
+
+(%Type1BuildChar) cvn	% <font> <code> %Type1BuildChar -
+ { 1 index /Encoding get 1 index get .type1build
+ } bind def
+(%Type1BuildGlyph) cvn	% <font> <name> %Type1BuildGlyph -
+ { dup .type1build
+ } bind def
+/.type1build		% <font> <code|name> <name> .type1build -
+ { 2 index begin
+    dup CharStrings exch .knownget not
+     { 2 copy eq { exch pop /.notdef exch } if
+       QUIET not
+	{ (Substituting .notdef for ) print = flush }
+	{ pop }
+       ifelse
+       /.notdef CharStrings /.notdef get
+     } if
+   end .type1execchar
+ } bind def
+% CCRun is an undocumented procedure provided for Type 4 fonts.
+1183615869 internaldict begin
+/CCRun			% <font> <code|name> <charstring> CCRun -
+ { 1 index dup type /integertype eq
+    { 3 index /Encoding get exch get }
+   if exch .type1execchar
+ } bind def
+end
+
+% Register the font types for definefont.
+buildfontdict 1 /.buildfont1 cvx put
+buildfontdict 4 /.buildfont4 cvx put
diff --git a/pstoraster/gs_wan_e.ps b/pstoraster/gs_wan_e.ps
new file mode 100644
index 000000000..c58ab2021
--- /dev/null
+++ b/pstoraster/gs_wan_e.ps
@@ -0,0 +1,52 @@
+%    Copyright (C) 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_wan_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the WinAnsi encoding vector.
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/WinAnsiEncoding
+ISOLatin1Encoding 0 39 getinterval aload pop
+    /quotesingle
+ISOLatin1Encoding 40 5 getinterval aload pop
+    /hyphen
+ISOLatin1Encoding 46 50 getinterval aload pop
+    /grave
+ISOLatin1Encoding 97 30 getinterval aload pop
+    /bullet
+% \20x
+    /bullet /bullet /quotesinglbase /florin
+	/quotedblbase /ellipsis /dagger /daggerdbl
+    /circumflex /perthousand /Scaron /guilsinglleft
+	/OE /bullet /bullet /bullet
+    /bullet /quoteleft /quoteright /quotedblleft
+	/quotedblright /bullet /endash /emdash
+    /tilde /trademark /scaron /guilsinglright
+	/oe /bullet /bullet /Ydieresis
+ISOLatin1Encoding 160 96 getinterval aload pop
+256 packedarray
+4 1 index .registerencoding
+.defineencoding
+exec
diff --git a/pstoraster/gs_wl1_e.ps b/pstoraster/gs_wl1_e.ps
new file mode 100644
index 000000000..13a0e1c87
--- /dev/null
+++ b/pstoraster/gs_wl1_e.ps
@@ -0,0 +1,74 @@
+%    Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_wl1_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the Windows 3.1 Latin 1 encoding vector (H-P Symbol set 19U).
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/Win31Latin1Encoding
+ISOLatin1Encoding 0 39 getinterval aload pop
+    /quotesingle
+ISOLatin1Encoding 40 5 getinterval aload pop
+    /hyphen
+ISOLatin1Encoding 46 50 getinterval aload pop
+    /grave
+ISOLatin1Encoding 97 30 getinterval aload pop
+    /graybox
+% \20x
+    /.notdef /.notdef /quotesinglbase /florin
+	/quotedblbase /ellipsis /dagger /daggerdbl
+    /circumflex /perthousand /Scaron /guilsinglleft
+	/OE /.notdef /.notdef /.notdef
+    /.notdef /quoteleft /quoteright /quotedblleft
+	/quotedblright /bullet /endash /emdash
+    /tilde /trademark /scaron /guilsinglright
+	/oe /.notdef /.notdef /Ydieresis
+    /.notdef /exclamdown /cent /sterling
+	/currency /yen /brokenbar /section
+    /dieresis /copyright /ordfeminine /guillemotleft
+	/logicalnot /softhyphen /registered /overscore
+    /degree /plusminus /twosuperior /threesuperior
+	/acute /mu /paragraph /periodcentered
+    /cedilla /onesuperior /ordmasculine /guillemotright
+	/onequarter /onehalf /threequarters /questiondown
+% \30x
+    /Agrave /Aacute /Acircumflex /Atilde
+	/Adieresis /Aring /AE /Ccedilla
+    /Egrave /Eacute /Ecircumflex /Edieresis
+	/Igrave /Iacute /Icircumflex /Idieresis
+    /Eth /Ntilde /Ograve /Oacute
+	/Ocircumflex /Otilde /Odieresis /multiply
+    /Oslash /Ugrave /Uacute /Ucircumflex
+	/Udieresis /Yacute /Thorn /germandbls
+    /agrave /aacute /acircumflex /atilde
+	/adieresis /aring /ae /ccedilla
+    /egrave /eacute /ecircumflex /edieresis
+	/igrave /iacute /icircumflex /idieresis
+    /eth /ntilde /ograve /oacute
+	/ocircumflex /otilde /odieresis /divide
+    /oslash /ugrave /uacute /ucircumflex
+	/udieresis /yacute /thorn /ydieresis 
+256 packedarray .defineencoding
+exec
diff --git a/pstoraster/gs_wl2_e.ps b/pstoraster/gs_wl2_e.ps
new file mode 100644
index 000000000..22310a977
--- /dev/null
+++ b/pstoraster/gs_wl2_e.ps
@@ -0,0 +1,74 @@
+%    Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_wl2_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the Windows 3.1 Latin 2 encoding vector (H-P Symbol set 9E).
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/Win32Latin2Encoding
+ISOLatin1Encoding 0 39 getinterval aload pop
+    /quotesingle
+ISOLatin1Encoding 40 5 getinterval aload pop
+    /hyphen
+ISOLatin1Encoding 46 50 getinterval aload pop
+    /grave
+ISOLatin1Encoding 97 30 getinterval aload pop
+    /graybox
+% \20x
+    /.notdef /.notdef /quotesinglbase /.notdef
+	/quotedblbase /ellipsis /dagger /daggerdbl
+    /.notdef /perthousand /Scaron /guilsinglleft
+	/Sacute /Tcaron /Zcaron /Zacute
+    /.notdef /quoteleft /quoteright /quotedblleft
+	/quotedblright /bullet /endash /emdash
+    /.notdef /trademark /scaron /guilsinglright
+	/sacute /tcaron /zcaron /zacute
+    /.notdef /caron /breve /Lslash
+	/currency /Aogonek /brokenbar /section
+    /dieresis /copyright /Scedilla /guillemotleft
+	/logicalnot /softhyphen /registered /Zdotaccent
+    /degree /plusminus /ogonek /lslash
+	/acute /mu /paragraph /periodcentered
+    /cedilla /aogonek /scedilla /guillemotright
+	/Lcaron /hungarumlaut /lcaron /zdotaccent
+% \30x
+    /Racute /Aacute /Acircumflex /Abreve
+	/Adieresis /Lacute /Cacute /Ccedilla
+    /Ccaron /Eacute /Eogonek /Edieresis
+	/Ecaron /Iacute /Icircumflex /Dcaron
+    /Dcroat /Nacute /Ncaron /Oacute
+	/Ocircumflex /Ohungarumlaut /Odieresis /multiply
+    /Rcaron /Uring /Uacute /Uhungarumlaut
+	/Udieresis /Yacute /Tcommaaccent /germandbls
+    /racute /aacute /acircumflex /abreve
+	/adieresis /lacute /cacute /ccedilla
+    /ccaron /eacute /eogonek /edieresis
+	/ecaron /iacute /icircumflex /dcaron
+    /dcroat /nacute /ncaron /oacute
+	/ocircumflex /ohungarumlaut /odieresis /divide
+    /rcaron /uring /uacute /uhungarumlaut
+	/udieresis /yacute /tcommaaccent /dotaccent
+256 packedarray .defineencoding
+exec
diff --git a/pstoraster/gs_wl5_e.ps b/pstoraster/gs_wl5_e.ps
new file mode 100644
index 000000000..9ea9224db
--- /dev/null
+++ b/pstoraster/gs_wl5_e.ps
@@ -0,0 +1,74 @@
+%    Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+% 
+% This file is part of GNU Ghostscript.
+% 
+% GNU Ghostscript is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+% to anyone for the consequences of using it or for whether it serves any
+% particular purpose or works at all, unless he says so in writing.  Refer
+% to the GNU General Public License for full details.
+% 
+% Everyone is granted permission to copy, modify and redistribute GNU
+% Ghostscript, but only under the conditions described in the GNU General
+% Public License.  A copy of this license is supposed to have been given
+% to you along with GNU Ghostscript so you can know your rights and
+% responsibilities.  It should be in a file named COPYING.  Among other
+% things, the copyright notice and this notice must be preserved on all
+% copies.
+% 
+% Aladdin Enterprises supports the work of the GNU Project, but is not
+% affiliated with the Free Software Foundation or the GNU Project.  GNU
+% Ghostscript, as distributed by Aladdin Enterprises, does not require any
+% GNU software to build or run it.
+
+% $Id: gs_wl5_e.ps 956 2000-03-08 23:15:43Z mike $
+% Define the Windows 3.1 Latin 5 encoding vector (H-P Symbol set 5T).
+/currentglobal where
+ { pop currentglobal { setglobal } true setglobal }
+ { { } }
+ifelse
+/Win32Latin5Encoding
+ISOLatin1Encoding 0 39 getinterval aload pop
+    /quotesingle
+ISOLatin1Encoding 40 5 getinterval aload pop
+    /hyphen
+ISOLatin1Encoding 46 50 getinterval aload pop
+    /grave
+ISOLatin1Encoding 97 30 getinterval aload pop
+    /graybox
+% \20x
+    /.notdef /.notdef /quotesinglbase /florin
+	/quotedblbase /ellipsis /dagger /daggerdbl
+    /circumflex /perthousand /Scaron /guilsinglleft
+	/OE /.notdef /.notdef /.notdef
+    /.notdef /quoteleft /quoteright /quotedblleft
+	/quotedblright /bullet /endash /emdash
+    /tilde /trademark /scaron /guilsinglright
+	/oe /.notdef /.notdef /Ydieresis
+    /.notdef /exclamdown /cent /sterling
+	/currency /yen /brokenbar /section
+    /dieresis /copyright /ordfeminine /guillemotleft
+	/logicalnot /softhyphen /registered /overscore
+    /degree /plusminus /twosuperior /threesuperior
+	/acute /mu /paragraph /periodcentered
+    /cedilla /onesuperior /ordmasculine /guillemotright
+	/onequarter /onehalf /threequarters /questiondown
+% \30x
+    /Agrave /Aacute /Acircumflex /Atilde
+	/Adieresis /Aring /AE /Ccedilla
+    /Egrave /Eacute /Ecircumflex /Edieresis
+	/Igrave /Iacute /Icircumflex /Idieresis
+    /Gbreve /Ntilde /Ograve /Oacute
+	/Ocircumflex /Otilde /Odieresis /multiply
+    /Oslash /Ugrave /Uacute /Ucircumflex
+	/Udieresis /Idotaccent /Scedilla /germandbls
+    /agrave /aacute /acircumflex /atilde
+	/adieresis /aring /ae /ccedilla
+    /egrave /eacute /ecircumflex /edieresis
+	/igrave /iacute /icircumflex /idieresis
+    /gbreve /ntilde /ograve /oacute
+	/ocircumflex /otilde /odieresis /divide
+    /oslash /ugrave /uacute /ucircumflex
+	/udieresis /dotlessi /scedilla /ydieresis
+256 packedarray .defineencoding
+exec
diff --git a/pstoraster/gsalloc.c b/pstoraster/gsalloc.c
new file mode 100644
index 000000000..25ad5577d
--- /dev/null
+++ b/pstoraster/gsalloc.c
@@ -0,0 +1,1621 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Standard memory allocator */
+#include "gx.h"
+#include "memory_.h"
+#include "gserrors.h"
+#include "gsmdebug.h"
+#include "gsstruct.h"
+#include "gxalloc.h"
+#include "stream.h"		/* for clearing stream list */
+
+/*
+ * This allocator produces tracing messages of the form
+ *      [aNMOTS]...
+ * where
+ *   N is the VM space number,
+ *   M is : for movable objects, | for immovable,
+ *   O is {alloc = +, free = -, grow = >, shrink = <},
+ *   T is {bytes = b, object = <, ref = $, string = >}, and
+ *   S is {freelist = F, LIFO = space, own chunk = L, lost = #,
+ *      lost own chunk = ~, other = .}.
+ */
+#ifdef DEBUG
+private void
+alloc_trace(const char *chars, gs_ref_memory_t * imem, client_name_t cname,
+	    gs_memory_type_ptr_t stype, uint size, const void *ptr)
+{
+    if_debug7('A', "[a%d%s]%s %s(%u) %s0x%lx\n",
+	      imem->space, chars, client_name_string(cname),
+	      (ptr == 0 || stype == 0 ? "" :
+	       struct_type_name_string(stype)),
+	      size, (chars[1] == '+' ? "= " : ""), (ulong) ptr);
+}
+private bool
+alloc_size_is_ok(gs_memory_type_ptr_t stype)
+{
+    return (stype->ssize > 0 && stype->ssize < 0x100000);
+}
+#  define ALLOC_CHECK_SIZE(stype)\
+    BEGIN\
+      if (!alloc_size_is_ok(stype)) {\
+	lprintf2("size of struct type 0x%lx is 0x%lx!\n",\
+		 (ulong)(stype), (ulong)((stype)->ssize));\
+	return 0;\
+      }\
+    END
+#else
+#  define alloc_trace(chars, imem, cname, stype, size, ptr) DO_NOTHING
+#  define ALLOC_CHECK_SIZE(stype) DO_NOTHING
+#endif
+
+/*
+ * The structure descriptor for allocators.  Even though allocators
+ * are allocated outside GC space, they reference objects within it.
+ */
+public_st_ref_memory();
+#define mptr ((gs_ref_memory_t *)vptr)
+private 
+ENUM_PTRS_BEGIN(ref_memory_enum_ptrs) return 0;
+
+ENUM_PTR3(0, gs_ref_memory_t, streams, changes, saved);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(ref_memory_reloc_ptrs)
+{
+    RELOC_PTR(gs_ref_memory_t, streams);
+    RELOC_PTR(gs_ref_memory_t, changes);
+    /* Don't relocate the saved pointer now -- see igc.c for details. */
+    mptr->reloc_saved = RELOC_OBJ(mptr->saved);
+}
+RELOC_PTRS_END
+
+/* Forward references */
+private ulong compute_free_objects(P1(gs_ref_memory_t *));
+private obj_header_t *alloc_obj(P5(gs_ref_memory_t *, ulong, gs_memory_type_ptr_t, bool, client_name_t));
+private chunk_t *alloc_acquire_chunk(P4(gs_ref_memory_t *, ulong, bool, client_name_t));
+private chunk_t *alloc_add_chunk(P3(gs_ref_memory_t *, ulong, client_name_t));
+void alloc_close_chunk(P1(gs_ref_memory_t *));
+
+/*
+ * Define the standard implementation (with garbage collection)
+ * of Ghostscript's memory manager interface.
+ */
+/* Raw memory procedures */
+private gs_memory_proc_alloc_bytes(i_alloc_bytes_immovable);
+private gs_memory_proc_resize_object(i_resize_object);
+private gs_memory_proc_free_object(i_free_object);
+private gs_memory_proc_status(i_status);
+private gs_memory_proc_free_all(i_free_all);
+private gs_memory_proc_consolidate_free(i_consolidate_free);
+
+/* Object memory procedures */
+private gs_memory_proc_alloc_bytes(i_alloc_bytes);
+private gs_memory_proc_alloc_struct(i_alloc_struct);
+private gs_memory_proc_alloc_struct(i_alloc_struct_immovable);
+private gs_memory_proc_alloc_byte_array(i_alloc_byte_array);
+private gs_memory_proc_alloc_byte_array(i_alloc_byte_array_immovable);
+private gs_memory_proc_alloc_struct_array(i_alloc_struct_array);
+private gs_memory_proc_alloc_struct_array(i_alloc_struct_array_immovable);
+private gs_memory_proc_object_size(i_object_size);
+private gs_memory_proc_object_type(i_object_type);
+private gs_memory_proc_alloc_string(i_alloc_string);
+private gs_memory_proc_alloc_string(i_alloc_string_immovable);
+private gs_memory_proc_resize_string(i_resize_string);
+private gs_memory_proc_free_string(i_free_string);
+private gs_memory_proc_register_root(i_register_root);
+private gs_memory_proc_unregister_root(i_unregister_root);
+private gs_memory_proc_enable_free(i_enable_free);
+
+/* We export the procedures for subclasses. */
+const gs_memory_procs_t gs_ref_memory_procs =
+{
+    /* Raw memory procedures */
+    i_alloc_bytes_immovable,
+    i_resize_object,
+    i_free_object,
+    i_status,
+    i_free_all,
+    i_consolidate_free,
+    /* Object memory procedures */
+    i_alloc_bytes,
+    i_alloc_struct,
+    i_alloc_struct_immovable,
+    i_alloc_byte_array,
+    i_alloc_byte_array_immovable,
+    i_alloc_struct_array,
+    i_alloc_struct_array_immovable,
+    i_object_size,
+    i_object_type,
+    i_alloc_string,
+    i_alloc_string_immovable,
+    i_resize_string,
+    i_free_string,
+    i_register_root,
+    i_unregister_root,
+    i_enable_free
+};
+
+/*
+ * Allocate and mostly initialize the state of an allocator (system, global,
+ * or local).  Does not initialize global or space.
+ */
+private void *ialloc_solo(P3(gs_raw_memory_t *, gs_memory_type_ptr_t,
+			     chunk_t **));
+gs_ref_memory_t *
+ialloc_alloc_state(gs_raw_memory_t * parent, uint chunk_size)
+{
+    chunk_t *cp;
+    gs_ref_memory_t *iimem = ialloc_solo(parent, &st_ref_memory, &cp);
+
+    if (iimem == 0)
+	return 0;
+    iimem->procs = gs_ref_memory_procs;
+    iimem->parent = parent;
+    iimem->chunk_size = chunk_size;
+    iimem->large_size = ((chunk_size / 4) & -obj_align_mod) + 1;
+    iimem->is_controlled = false;
+    iimem->gc_status.vm_threshold = chunk_size * 3L;
+    iimem->gc_status.max_vm = max_long;
+    iimem->gc_status.psignal = NULL;
+    iimem->gc_status.enabled = false;
+    iimem->previous_status.allocated = 0;
+    iimem->previous_status.used = 0;
+    ialloc_reset(iimem);
+    iimem->cfirst = iimem->clast = cp;
+    ialloc_set_limit(iimem);
+    iimem->cc.cbot = iimem->cc.ctop = 0;
+    iimem->pcc = 0;
+    iimem->streams = 0;
+    iimem->roots = 0;
+    iimem->num_contexts = 0;
+    iimem->saved = 0;
+    return iimem;
+}
+
+/* Allocate a 'solo' object with its own chunk. */
+private void *
+ialloc_solo(gs_raw_memory_t * parent, gs_memory_type_ptr_t pstype,
+	    chunk_t ** pcp)
+{	/*
+	 * We can't assume that the parent uses the same object header
+	 * that we do, but the GC requires that allocators have
+	 * such a header.  Therefore, we prepend one explicitly.
+	 */
+    chunk_t *cp =
+	gs_raw_alloc_struct_immovable(parent, &st_chunk,
+				      "ialloc_solo(chunk)");
+    uint csize =
+	round_up(sizeof(chunk_head_t) + sizeof(obj_header_t) +
+		 pstype->ssize,
+		 obj_align_mod);
+    byte *cdata = gs_alloc_bytes_immovable(parent, csize, "ialloc_solo");
+    obj_header_t *obj = (obj_header_t *) (cdata + sizeof(chunk_head_t));
+
+    if (cp == 0 || cdata == 0)
+	return 0;
+    alloc_init_chunk(cp, cdata, cdata + csize, false, (chunk_t *) NULL);
+    cp->cbot = cp->ctop;
+    cp->cprev = cp->cnext = 0;
+    /* Construct the object header "by hand". */
+    obj->o_large = 0;
+    obj->o_size = pstype->ssize;
+    obj->o_type = pstype;
+    *pcp = cp;
+    return (void *)(obj + 1);
+}
+
+/*
+ * Add a chunk to an externally controlled allocator.  Such allocators
+ * allocate all objects as immovable, are not garbage-collected, and
+ * don't attempt to acquire additional memory on their own.
+ */
+int
+ialloc_add_chunk(gs_ref_memory_t *imem, ulong space, client_name_t cname)
+{
+    chunk_t *cp;
+
+    /* Allow acquisition of this chunk. */
+    imem->is_controlled = false;
+    imem->large_size = imem->chunk_size;
+    imem->limit = max_long;
+    imem->gc_status.max_vm = max_long;
+
+    /* Acquire the chunk. */
+    cp = alloc_add_chunk(imem, space, cname);
+
+    /*
+     * Make all allocations immovable.  Since the "movable" allocators
+     * allocate within existing chunks, whereas the "immovable" ones
+     * allocate in new chunks, we equate the latter to the former, even
+     * though this seems backwards.
+     */
+    imem->procs.alloc_bytes_immovable = imem->procs.alloc_bytes;
+    imem->procs.alloc_struct_immovable = imem->procs.alloc_struct;
+    imem->procs.alloc_byte_array_immovable = imem->procs.alloc_byte_array;
+    imem->procs.alloc_struct_array_immovable = imem->procs.alloc_struct_array;
+    imem->procs.alloc_string_immovable = imem->procs.alloc_string;
+
+    /* Disable acquisition of additional chunks. */
+    imem->is_controlled = true;
+    imem->limit = 0;
+
+    return (cp ? 0 : gs_note_error(gs_error_VMerror));
+}
+
+/* Prepare for a GC by clearing the stream list. */
+/* This probably belongs somewhere else.... */
+void
+ialloc_gc_prepare(gs_ref_memory_t * mem)
+{	/*
+	 * We have to unlink every stream from its neighbors,
+	 * so that referenced streams don't keep all streams around.
+	 */
+    while (mem->streams != 0) {
+	stream *s = mem->streams;
+
+	mem->streams = s->next;
+	s->prev = s->next = 0;
+    }
+}
+
+/* Initialize after a save. */
+void
+ialloc_reset(gs_ref_memory_t * mem)
+{
+    mem->cfirst = 0;
+    mem->clast = 0;
+    mem->cc.rcur = 0;
+    mem->cc.rtop = 0;
+    mem->cc.has_refs = false;
+    mem->allocated = 0;
+    mem->inherited = 0;
+    mem->changes = 0;
+    ialloc_reset_free(mem);
+}
+
+/* Initialize after a save or GC. */
+void
+ialloc_reset_free(gs_ref_memory_t * mem)
+{
+    int i;
+    obj_header_t **p;
+
+    mem->lost.objects = 0;
+    mem->lost.refs = 0;
+    mem->lost.strings = 0;
+    mem->cfreed.cp = 0;
+    for (i = 0, p = &mem->freelists[0]; i < num_freelists; i++, p++)
+	*p = 0;
+}
+
+/* Set the allocation limit after a change in one or more of */
+/* vm_threshold, max_vm, or enabled, or after a GC. */
+void
+ialloc_set_limit(register gs_ref_memory_t * mem)
+{	/*
+	 * The following code is intended to set the limit so that
+	 * we stop allocating when allocated + previous_status.allocated
+	 * exceeds the lesser of max_vm or (if GC is enabled)
+	 * gc_allocated + vm_threshold.
+	 */
+    ulong max_allocated =
+    (mem->gc_status.max_vm > mem->previous_status.allocated ?
+     mem->gc_status.max_vm - mem->previous_status.allocated :
+     0);
+
+    if (mem->gc_status.enabled) {
+	ulong limit = mem->gc_allocated + mem->gc_status.vm_threshold;
+
+	if (limit < mem->previous_status.allocated)
+	    mem->limit = 0;
+	else {
+	    limit -= mem->previous_status.allocated;
+	    mem->limit = min(limit, max_allocated);
+	}
+    } else
+	mem->limit = max_allocated;
+    if_debug7('0', "[0]space=%d, max_vm=%ld, prev.alloc=%ld, enabled=%d,\n\
+      gc_alloc=%ld, threshold=%ld => limit=%ld\n",
+	      mem->space, (long)mem->gc_status.max_vm,
+	      (long)mem->previous_status.allocated,
+	      mem->gc_status.enabled, (long)mem->gc_allocated,
+	      (long)mem->gc_status.vm_threshold, (long)mem->limit);
+}
+
+/*
+ * Free all the memory owned by the allocator, except the allocator itself.
+ * Note that this only frees memory at the current save level: the client
+ * is responsible for restoring to the outermost level if desired.
+ */
+private void
+i_free_all(gs_memory_t * mem, uint free_mask, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    chunk_t *cp;
+
+    if (free_mask & FREE_ALL_DATA) {
+	chunk_t *csucc;
+
+	/*
+	 * Free the chunks in reverse order, to encourage LIFO behavior.
+	 * Don't free the chunk holding the allocator itself.
+	 */
+	for (cp = imem->clast; cp != 0; cp = csucc) {
+	    csucc = cp->cprev;	/* save before freeing */
+	    if (cp->cbase + sizeof(obj_header_t) != (byte *)mem)
+		alloc_free_chunk(cp, imem);
+	}
+    }
+    if (free_mask & FREE_ALL_ALLOCATOR) {
+	/* Free the chunk holding the allocator itself. */
+	for (cp = imem->clast; cp != 0; cp = cp->cprev)
+	    if (cp->cbase + sizeof(obj_header_t) == (byte *)mem) {
+		alloc_free_chunk(cp, imem);
+		break;
+	    }
+    }
+}
+
+/* ================ Accessors ================ */
+
+/* Get the size of an object from the header. */
+private uint
+i_object_size(gs_memory_t * mem, const void /*obj_header_t */ *obj)
+{
+    return pre_obj_contents_size((const obj_header_t *)obj - 1);
+}
+
+/* Get the type of a structure from the header. */
+private gs_memory_type_ptr_t
+i_object_type(gs_memory_t * mem, const void /*obj_header_t */ *obj)
+{
+    return ((const obj_header_t *)obj - 1)->o_type;
+}
+
+/* Get the GC status of a memory. */
+void
+gs_memory_gc_status(const gs_ref_memory_t * mem, gs_memory_gc_status_t * pstat)
+{
+    *pstat = mem->gc_status;
+}
+
+/* Set the GC status of a memory. */
+void
+gs_memory_set_gc_status(gs_ref_memory_t * mem, const gs_memory_gc_status_t * pstat)
+{
+    mem->gc_status = *pstat;
+    ialloc_set_limit(mem);
+}
+
+/* ================ Objects ================ */
+
+/* Allocate a small object quickly if possible. */
+/* The size must be substantially less than max_uint. */
+/* ptr must be declared as obj_header_t *. */
+/* pfl must be declared as obj_header_t **. */
+#define IF_FREELIST_ALLOC(ptr, imem, size, pstype, pfl)\
+	if ( size <= max_freelist_size &&\
+	     *(pfl = &imem->freelists[(size + obj_align_mask) >> log2_obj_align_mod]) != 0\
+	   )\
+	{	ptr = *pfl;\
+		*pfl = *(obj_header_t **)ptr;\
+		ptr[-1].o_size = size;\
+		ptr[-1].o_type = pstype;\
+		/* If debugging, clear the block in an attempt to */\
+		/* track down uninitialized data errors. */\
+		gs_alloc_fill(ptr, gs_alloc_fill_alloc, size);
+#define ELSEIF_LIFO_ALLOC(ptr, imem, size, pstype)\
+	}\
+	else if ( (imem->cc.ctop - (byte *)(ptr = (obj_header_t *)imem->cc.cbot))\
+		>= size + (obj_align_mod + sizeof(obj_header_t) * 2) &&\
+	     size < imem->large_size\
+	   )\
+	{	imem->cc.cbot = (byte *)ptr + obj_size_round(size);\
+		ptr->o_large = 0;\
+		ptr->o_size = size;\
+		ptr->o_type = pstype;\
+		ptr++;\
+		/* If debugging, clear the block in an attempt to */\
+		/* track down uninitialized data errors. */\
+		gs_alloc_fill(ptr, gs_alloc_fill_alloc, size);
+#define ELSE_ALLOC\
+	}\
+	else
+
+private byte *
+i_alloc_bytes(gs_memory_t * mem, uint size, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *obj;
+    obj_header_t **pfl;
+
+    IF_FREELIST_ALLOC(obj, imem, size, &st_bytes, pfl)
+	alloc_trace(":+bF", imem, cname, NULL, size, obj);
+    ELSEIF_LIFO_ALLOC(obj, imem, size, &st_bytes)
+	alloc_trace(":+b ", imem, cname, NULL, size, obj);
+    ELSE_ALLOC
+    {
+	obj = alloc_obj(imem, size, &st_bytes, false, cname);
+	if (obj == 0)
+	    return 0;
+	alloc_trace(":+b.", imem, cname, NULL, size, obj);
+    }
+    return (byte *) obj;
+}
+private byte *
+i_alloc_bytes_immovable(gs_memory_t * mem, uint size, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *obj = alloc_obj(imem, size, &st_bytes, true, cname);
+
+    if (obj == 0)
+	return 0;
+    alloc_trace("|+b.", imem, cname, NULL, size, obj);
+    return (byte *) obj;
+}
+private void *
+i_alloc_struct(gs_memory_t * mem, gs_memory_type_ptr_t pstype,
+	       client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    uint size = pstype->ssize;
+    obj_header_t *obj;
+    obj_header_t **pfl;
+
+    ALLOC_CHECK_SIZE(pstype);
+    IF_FREELIST_ALLOC(obj, imem, size, pstype, pfl)
+	alloc_trace(":+<F", imem, cname, pstype, size, obj);
+    ELSEIF_LIFO_ALLOC(obj, imem, size, pstype)
+	alloc_trace(":+< ", imem, cname, pstype, size, obj);
+    ELSE_ALLOC
+    {
+	obj = alloc_obj(imem, size, pstype, false, cname);
+	if (obj == 0)
+	    return 0;
+	alloc_trace(":+<.", imem, cname, pstype, size, obj);
+    }
+    return obj;
+}
+private void *
+i_alloc_struct_immovable(gs_memory_t * mem, gs_memory_type_ptr_t pstype,
+			 client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    uint size = pstype->ssize;
+    obj_header_t *obj;
+
+    ALLOC_CHECK_SIZE(pstype);
+    obj = alloc_obj(imem, size, pstype, true, cname);
+    alloc_trace("|+<.", imem, cname, pstype, size, obj);
+    return obj;
+}
+private byte *
+i_alloc_byte_array(gs_memory_t * mem, uint num_elements, uint elt_size,
+		   client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *obj = alloc_obj(imem, (ulong) num_elements * elt_size,
+				  &st_bytes, false, cname);
+
+    if_debug6('A', "[a%d:+b.]%s -bytes-*(%lu=%u*%u) = 0x%lx\n",
+	      imem->space, client_name_string(cname),
+	      (ulong) num_elements * elt_size,
+	      num_elements, elt_size, (ulong) obj);
+    return (byte *) obj;
+}
+private byte *
+i_alloc_byte_array_immovable(gs_memory_t * mem, uint num_elements,
+			     uint elt_size, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *obj = alloc_obj(imem, (ulong) num_elements * elt_size,
+				  &st_bytes, true, cname);
+
+    if_debug6('A', "[a%d|+b.]%s -bytes-*(%lu=%u*%u) = 0x%lx\n",
+	      imem->space, client_name_string(cname),
+	      (ulong) num_elements * elt_size,
+	      num_elements, elt_size, (ulong) obj);
+    return (byte *) obj;
+}
+private void *
+i_alloc_struct_array(gs_memory_t * mem, uint num_elements,
+		     gs_memory_type_ptr_t pstype, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *obj;
+
+    ALLOC_CHECK_SIZE(pstype);
+    obj = alloc_obj(imem,
+		    (ulong) num_elements * pstype->ssize,
+		    pstype, false, cname);
+    if_debug7('A', "[a%d:+<.]%s %s*(%lu=%u*%u) = 0x%lx\n",
+	      imem->space,
+	      client_name_string(cname), struct_type_name_string(pstype),
+	      (ulong) num_elements * pstype->ssize,
+	      num_elements, pstype->ssize, (ulong) obj);
+    return (char *)obj;
+}
+private void *
+i_alloc_struct_array_immovable(gs_memory_t * mem, uint num_elements,
+			   gs_memory_type_ptr_t pstype, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *obj;
+
+    ALLOC_CHECK_SIZE(pstype);
+    obj = alloc_obj(imem,
+		    (ulong) num_elements * pstype->ssize,
+		    pstype, true, cname);
+    if_debug7('A', "[a%d|+<.]%s %s*(%lu=%u*%u) = 0x%lx\n",
+	      imem->space,
+	      client_name_string(cname), struct_type_name_string(pstype),
+	      (ulong) num_elements * pstype->ssize,
+	      num_elements, pstype->ssize, (ulong) obj);
+    return (char *)obj;
+}
+private void *
+i_resize_object(gs_memory_t * mem, void *obj, uint new_num_elements,
+		client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *pp = (obj_header_t *) obj - 1;
+    gs_memory_type_ptr_t pstype = pp->o_type;
+    ulong old_size = pre_obj_contents_size(pp);
+    ulong new_size = (ulong) pstype->ssize * new_num_elements;
+    ulong new_size_rounded;
+    void *new_obj;
+
+    if ((byte *)obj + obj_align_round(old_size) == imem->cc.cbot &&
+	imem->cc.ctop - (byte *)obj >=
+	  (new_size_rounded = obj_align_round(new_size))
+	) {
+	imem->cc.cbot = (byte *)obj + new_size_rounded;
+	pp->o_size = new_size;
+	if_debug8('A', "[a%d:%c%c ]%s %s(%lu=>%lu) 0x%lx\n",
+		  imem->space,
+		  (new_size > old_size ? '>' : '<'),
+		  (pstype == &st_bytes ? 'b' : '<'),
+		  client_name_string(cname),
+		  struct_type_name_string(pstype),
+		  old_size, new_size, (ulong) obj);
+	return obj;
+    }
+    /* Punt. */
+    new_obj = gs_alloc_struct_array(mem, new_num_elements, void,
+				    pstype, cname);
+    if (new_obj == 0)
+	return 0;
+    memcpy(new_obj, obj, min(old_size, new_size));
+    gs_free_object(mem, obj, cname);
+    return new_obj;
+}
+private void
+i_free_object(gs_memory_t * mem, void *ptr, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    obj_header_t *pp;
+    gs_memory_type_ptr_t pstype;
+
+    struct_proc_finalize((*finalize));
+    uint size;
+
+    if (ptr == 0)
+	return;
+    pp = (obj_header_t *) ptr - 1;
+    pstype = pp->o_type;
+#ifdef DEBUG
+    if (gs_debug_c('?')) {
+	chunk_locator_t cld;
+
+	if (pstype == &st_free) {
+	    lprintf2("%s: object 0x%lx already free!\n",
+		     client_name_string(cname), (ulong) ptr);
+	    return;		/*gs_abort(); */
+	}
+	/* Check that this allocator owns the object being freed. */
+	cld.memory = imem;
+	while ((cld.cp = cld.memory->clast),
+	       !chunk_locate_ptr(ptr, &cld)
+	    ) {
+	    if (!cld.memory->saved) {
+		lprintf3("%s: freeing 0x%lx, not owned by memory 0x%lx!\n",
+			 client_name_string(cname), (ulong) ptr,
+			 (ulong) mem);
+		return;		/*gs_abort(); */
+	    }
+		  /****** HACK: we know the saved state is the first ******
+		   ****** member of an alloc_save_t. ******/
+	    cld.memory = (gs_ref_memory_t *) cld.memory->saved;
+	}
+	/* Check that the object is in the allocated region. */
+	if (cld.memory == imem && cld.cp == imem->pcc)
+	    cld.cp = &imem->cc;
+	if (!(ptr_between((const byte *)pp, cld.cp->cbase,
+			  cld.cp->cbot))
+	    ) {
+	    lprintf5("%s: freeing 0x%lx,\n\toutside chunk 0x%lx cbase=0x%lx, cbot=0x%lx!\n",
+		     client_name_string(cname), (ulong) ptr,
+		     (ulong) cld.cp, (ulong) cld.cp->cbase,
+		     (ulong) cld.cp->cbot);
+	    return;		/*gs_abort(); */
+	}
+    }
+#endif
+    size = pre_obj_contents_size(pp);
+    finalize = pstype->finalize;
+    if (finalize != 0) {
+	if_debug3('u', "[u]finalizing %s 0x%lx (%s)\n",
+		  struct_type_name_string(pstype),
+		  (ulong) ptr, client_name_string(cname));
+	(*finalize) (ptr);
+    }
+    if ((byte *) ptr + obj_align_round(size) == imem->cc.cbot) {
+	alloc_trace(":-o ", imem, cname, pstype, size, ptr);
+	gs_alloc_fill(ptr, gs_alloc_fill_free, size);
+	imem->cc.cbot = (byte *) pp;
+	return;
+    }
+    if (pp->o_large) {
+		/*
+		 * We gave this object its own chunk.  Free the entire chunk,
+		 * unless it belongs to an older save level, in which case
+		 * we mustn't overwrite it.
+		 */
+	chunk_locator_t cl;
+
+#ifdef DEBUG
+	{
+	    chunk_locator_t cld;
+
+	    cld.memory = imem;
+	    cld.cp = 0;
+	    if (gs_debug_c('a'))
+		alloc_trace(
+			    (chunk_locate_ptr(ptr, &cld) ? ":-oL" : ":-o~"),
+			       imem, cname, pstype, size, ptr);
+	}
+#endif
+	cl.memory = imem;
+	cl.cp = 0;
+	if (chunk_locate_ptr(ptr, &cl)) {
+	    if (!imem->is_controlled)
+		alloc_free_chunk(cl.cp, imem);
+	    return;
+	}
+	/* Don't overwrite even if gs_alloc_debug is set. */
+    }
+    if (size <= max_freelist_size &&
+	obj_align_round(size) >= sizeof(obj_header_t *)
+	) {
+			/*
+			 * Put the object on a freelist, unless it belongs to
+			 * an older save level, in which case we mustn't
+			 * overwrite it.
+			 */
+	imem->cfreed.memory = imem;
+	if (chunk_locate(ptr, &imem->cfreed)) {
+	    obj_header_t **pfl =
+	    &imem->freelists[(size + obj_align_mask) >>
+			     log2_obj_align_mod];
+
+	    pp->o_type = &st_free;	/* don't confuse GC */
+	    gs_alloc_fill(ptr, gs_alloc_fill_free, size);
+	    *(obj_header_t **) ptr = *pfl;
+	    *pfl = (obj_header_t *) ptr;
+	    alloc_trace(":-oF", imem, cname, pstype, size, ptr);
+	    return;
+	}
+	/* Don't overwrite even if gs_alloc_debug is set. */
+    } else {
+	pp->o_type = &st_free;	/* don't confuse GC */
+	gs_alloc_fill(ptr, gs_alloc_fill_free, size);
+    }
+    alloc_trace(":-o#", imem, cname, pstype, size, ptr);
+    imem->lost.objects += obj_size_round(size);
+}
+private byte *
+i_alloc_string(gs_memory_t * mem, uint nbytes, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    byte *str;
+
+top:if (imem->cc.ctop - imem->cc.cbot > nbytes) {
+	if_debug4('A', "[a%d:+> ]%s(%u) = 0x%lx\n", imem->space,
+		  client_name_string(cname), nbytes,
+		  (ulong) (imem->cc.ctop - nbytes));
+	str = imem->cc.ctop -= nbytes;
+	gs_alloc_fill(str, gs_alloc_fill_alloc, nbytes);
+	return str;
+    }
+    if (nbytes > string_space_quanta(max_uint - sizeof(chunk_head_t)) *
+	string_data_quantum
+	) {			/* Can't represent the size in a uint! */
+	return 0;
+    }
+    if (nbytes >= imem->large_size) {	/* Give it a chunk all its own. */
+	return i_alloc_string_immovable(mem, nbytes, cname);
+    } else {			/* Add another chunk. */
+	chunk_t *cp =
+	    alloc_acquire_chunk(imem, (ulong) imem->chunk_size, true, "chunk");
+
+	if (cp == 0)
+	    return 0;
+	alloc_close_chunk(imem);
+	imem->pcc = cp;
+	imem->cc = *imem->pcc;
+	gs_alloc_fill(imem->cc.cbase, gs_alloc_fill_free,
+		      imem->cc.climit - imem->cc.cbase);
+	goto top;
+    }
+}
+private byte *
+i_alloc_string_immovable(gs_memory_t * mem, uint nbytes, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    byte *str;
+    /* Give it a chunk all its own. */
+    uint asize = string_chunk_space(nbytes) + sizeof(chunk_head_t);
+    chunk_t *cp = alloc_acquire_chunk(imem, (ulong) asize, true,
+				      "large string chunk");
+
+    if (cp == 0)
+	return 0;
+    str = cp->ctop = cp->climit - nbytes;
+    if_debug4('a', "[a%d|+>L]%s(%u) = 0x%lx\n", imem->space,
+	      client_name_string(cname), nbytes, (ulong) str);
+    gs_alloc_fill(str, gs_alloc_fill_alloc, nbytes);
+    return str;
+}
+private byte *
+i_resize_string(gs_memory_t * mem, byte * data, uint old_num, uint new_num,
+		client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    byte *ptr;
+
+    if (data == imem->cc.ctop &&
+	(new_num < old_num ||
+	 imem->cc.ctop - imem->cc.cbot > new_num - old_num)
+	) {			/* Resize in place. */
+	ptr = data + old_num - new_num;
+	if_debug6('A', "[a%d:%c> ]%s(%u->%u) 0x%lx\n",
+		  imem->space, (new_num > old_num ? '>' : '<'),
+		  client_name_string(cname), old_num, new_num,
+		  (ulong) ptr);
+	imem->cc.ctop = ptr;
+	memmove(ptr, data, min(old_num, new_num));
+#ifdef DEBUG
+	if (new_num > old_num)
+	    gs_alloc_fill(ptr + old_num, gs_alloc_fill_alloc,
+			  new_num - old_num);
+	else
+	    gs_alloc_fill(data, gs_alloc_fill_free, old_num - new_num);
+#endif
+    } else {			/* Punt. */
+	ptr = gs_alloc_string(mem, new_num, cname);
+	if (ptr == 0)
+	    return 0;
+	memcpy(ptr, data, min(old_num, new_num));
+	gs_free_string(mem, data, old_num, cname);
+    }
+    return ptr;
+}
+private void
+i_free_string(gs_memory_t * mem, byte * data, uint nbytes,
+	      client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    if (data == imem->cc.ctop) {
+	if_debug4('A', "[a%d:-> ]%s(%u) 0x%lx\n", imem->space,
+		  client_name_string(cname), nbytes, (ulong) data);
+	imem->cc.ctop += nbytes;
+    } else {
+	if_debug4('A', "[a%d:->#]%s(%u) 0x%lx\n", imem->space,
+		  client_name_string(cname), nbytes, (ulong) data);
+	imem->lost.strings += nbytes;
+    }
+    gs_alloc_fill(data, gs_alloc_fill_free, nbytes);
+}
+
+private void
+i_status(gs_memory_t * mem, gs_memory_status_t * pstat)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    ulong unused = imem->lost.refs + imem->lost.strings;
+    ulong inner = 0;
+
+    alloc_close_chunk(imem);
+    /* Add up unallocated space within each chunk. */
+    /* Also keep track of space allocated to inner chunks, */
+    /* which are included in previous_status.allocated. */
+    {
+	const chunk_t *cp = imem->cfirst;
+
+	while (cp != 0) {
+	    unused += cp->ctop - cp->cbot;
+	    if (cp->outer)
+		inner += cp->cend - (byte *) cp->chead;
+	    cp = cp->cnext;
+	}
+    }
+    unused += compute_free_objects(imem);
+    pstat->used = imem->allocated + inner - unused +
+	imem->previous_status.used;
+    pstat->allocated = imem->allocated +
+	imem->previous_status.allocated;
+}
+
+private void
+i_enable_free(gs_memory_t * mem, bool enable)
+{
+    if (enable)
+	mem->procs.free_object = i_free_object,
+	    mem->procs.free_string = i_free_string;
+    else
+	mem->procs.free_object = gs_ignore_free_object,
+	    mem->procs.free_string = gs_ignore_free_string;
+}
+
+/* ------ Internal procedures ------ */
+
+/* Compute the amount of free object space by scanning free lists. */
+private ulong
+compute_free_objects(gs_ref_memory_t * mem)
+{
+    ulong unused = mem->lost.objects;
+    int i;
+
+    /* Add up space on free lists. */
+    for (i = 0; i < num_freelists; i++) {
+	uint free_size =
+	(i << log2_obj_align_mod) + sizeof(obj_header_t);
+	const obj_header_t *pfree;
+
+	for (pfree = mem->freelists[i]; pfree != 0;
+	     pfree = *(const obj_header_t * const *)pfree
+	    )
+	    unused += free_size;
+    }
+    return unused;
+}
+
+/* Allocate an object.  This handles all but the fastest, simplest case. */
+private obj_header_t *
+alloc_obj(gs_ref_memory_t * mem, ulong lsize, gs_memory_type_ptr_t pstype,
+	  bool immovable, client_name_t cname)
+{
+    obj_header_t *ptr;
+
+    if (lsize >= mem->large_size || immovable) {
+	/*
+	 * Give the object a chunk all its own.  Note that this case does
+	 * not occur if is_controlled is true.
+	 */
+	ulong asize =
+	    ((lsize + obj_align_mask) & -obj_align_mod) +
+	    sizeof(obj_header_t);
+	chunk_t *cp =
+	    alloc_acquire_chunk(mem, asize + sizeof(chunk_head_t), false,
+				"large object chunk");
+
+	if (cp == 0)
+	    return 0;
+	ptr = (obj_header_t *) cp->cbot;
+	cp->cbot += asize;
+	ptr->o_large = 1;
+	pre_obj_set_large_size(ptr, lsize);
+    } else {
+	uint asize = obj_size_round((uint) lsize);
+	bool consolidate = mem->is_controlled;
+
+	while (mem->cc.ctop -
+	       (byte *) (ptr = (obj_header_t *) mem->cc.cbot)
+	       <= asize + sizeof(obj_header_t)) {
+	    if (consolidate) {
+		/* Try consolidating free space. */
+		gs_consolidate_free((gs_memory_t *)mem);
+		consolidate = false;
+		continue;
+	    } else {
+		/* Add another chunk. */
+		chunk_t *cp =
+		    alloc_add_chunk(mem, (ulong)mem->chunk_size, "chunk");
+
+		if (cp == 0)
+		    return 0;
+	    }
+	}
+	mem->cc.cbot = (byte *) ptr + asize;
+	ptr->o_large = 0;
+	ptr->o_size = (uint) lsize;
+    }
+    ptr->o_type = pstype;
+    ptr++;
+    gs_alloc_fill(ptr, gs_alloc_fill_alloc, lsize);
+    return ptr;
+}
+
+/* Consolidate free objects. */
+void
+ialloc_consolidate_free(gs_ref_memory_t *mem)
+{
+	chunk_t *cp;
+	chunk_t *cprev;
+	/*
+	 * We're going to recompute lost.objects, by subtracting the
+	 * amount of space reclaimed minus the amount of that space that
+	 * was on free lists.
+	 */
+	ulong found = 0;
+
+	alloc_close_chunk(mem);
+
+	/* Visit chunks in reverse order to encourage LIFO behavior. */
+	for (cp = mem->clast; cp != 0; cp = cprev) {
+	    obj_header_t *begin_free = 0;
+
+	    cprev = cp->cprev;
+	    SCAN_CHUNK_OBJECTS(cp)
+	    DO_ALL
+		if (pre->o_type == &st_free) {
+		    if (begin_free == 0)
+			begin_free = pre;
+		} else
+		    begin_free = 0;
+	    END_OBJECTS_SCAN
+	    if (begin_free) {
+		/* We found free objects at the top of the object area. */
+		int i;
+
+		found += (byte *)cp->cbot - (byte *)begin_free;
+		/* Remove the free objects from the freelists. */
+		for (i = 0; i < num_freelists; i++) {
+		    obj_header_t *pfree;
+		    obj_header_t **ppfprev = &mem->freelists[i];
+		    uint free_size =
+			(i << log2_obj_align_mod) + sizeof(obj_header_t);
+
+		    while ((pfree = *ppfprev) != 0)
+			if (ptr_ge(pfree, begin_free) &&
+			    ptr_lt(pfree, cp->cbot)
+			    ) {	/* We're removing an object. */
+			    *ppfprev = *(obj_header_t **) pfree;
+			    found -= free_size;
+			} else
+			    ppfprev = (obj_header_t **) pfree;
+		}
+	    } else
+		begin_free = (obj_header_t *)cp->cbot;
+	    if (begin_free == (obj_header_t *) cp->cbase &&
+		cp->ctop == cp->climit
+		) {		/* The entire chunk is free. */
+		chunk_t *cnext = cp->cnext;
+
+		if (!mem->is_controlled)
+		    alloc_free_chunk(cp, mem);
+		if (mem->pcc == cp)
+		    mem->pcc =
+			(cnext == 0 ? cprev : cprev == 0 ? cnext :
+			 cprev->cbot - cprev->ctop >
+			   cnext->cbot - cnext->ctop ? cprev :
+			 cnext);
+	    } else if (begin_free != (obj_header_t *)cp->cbot) {
+		if_debug4('a', "[a]resetting chunk 0x%lx cbot from 0x%lx to 0x%lx (%lu free)\n",
+			  (ulong) cp, (ulong) cp->cbot, (ulong) begin_free,
+			  (ulong) ((byte *) cp->cbot - (byte *) begin_free));
+		cp->cbot = (byte *) begin_free;
+	    }
+	}
+	mem->lost.objects -= found;
+	alloc_open_chunk(mem);
+}
+private void
+i_consolidate_free(gs_memory_t *mem)
+{
+    ialloc_consolidate_free((gs_ref_memory_t *)mem);
+}
+
+/* ================ Roots ================ */
+
+/* Register a root. */
+private int
+i_register_root(gs_memory_t * mem, gs_gc_root_t * rp, gs_ptr_type_t ptype,
+		void **up, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+
+    if (rp == NULL) {
+	rp = gs_raw_alloc_struct_immovable(imem->parent, &st_gc_root_t,
+					   "i_register_root");
+	if (rp == 0)
+	    return_error(gs_error_VMerror);
+	rp->free_on_unregister = true;
+    } else
+	rp->free_on_unregister = false;
+    if_debug3('8', "[8]register root(%s) 0x%lx -> 0x%lx\n",
+	      client_name_string(cname), (ulong)rp, (ulong)up);
+    rp->ptype = ptype;
+    rp->p = up;
+    rp->next = imem->roots;
+    imem->roots = rp;
+    return 0;
+}
+
+/* Unregister a root. */
+private void
+i_unregister_root(gs_memory_t * mem, gs_gc_root_t * rp, client_name_t cname)
+{
+    gs_ref_memory_t * const imem = (gs_ref_memory_t *)mem;
+    gs_gc_root_t **rpp = &imem->roots;
+
+    if_debug2('8', "[8]unregister root(%s) 0x%lx\n",
+	      client_name_string(cname), (ulong) rp);
+    while (*rpp != rp)
+	rpp = &(*rpp)->next;
+    *rpp = (*rpp)->next;
+    if (rp->free_on_unregister)
+	gs_free_object(imem->parent, rp, "i_unregister_root");
+}
+
+/* ================ Chunks ================ */
+
+public_st_chunk();
+
+/* Insert a chunk in the chain.  This is exported for the GC and for */
+/* the forget_save operation. */
+void
+alloc_link_chunk(chunk_t * cp, gs_ref_memory_t * imem)
+{
+    byte *cdata = cp->cbase;
+    chunk_t *icp;
+    chunk_t *prev;
+
+    for (icp = imem->cfirst; icp != 0 && ptr_ge(cdata, icp->ctop);
+	 icp = icp->cnext
+	);
+    cp->cnext = icp;
+    if (icp == 0) {		/* add at end of chain */
+	prev = imem->clast;
+	imem->clast = cp;
+    } else {			/* insert before icp */
+	prev = icp->cprev;
+	icp->cprev = cp;
+    }
+    cp->cprev = prev;
+    if (prev == 0)
+	imem->cfirst = cp;
+    else
+	prev->cnext = cp;
+    if (imem->pcc != 0) {
+	imem->cc.cnext = imem->pcc->cnext;
+	imem->cc.cprev = imem->pcc->cprev;
+    }
+}
+
+/* Add a chunk for ordinary allocation. */
+private chunk_t *
+alloc_add_chunk(gs_ref_memory_t * mem, ulong csize, client_name_t cname)
+{
+    chunk_t *cp = alloc_acquire_chunk(mem, csize, true, cname);
+
+    if (cp) {
+	alloc_close_chunk(mem);
+	mem->pcc = cp;
+	mem->cc = *mem->pcc;
+	gs_alloc_fill(mem->cc.cbase, gs_alloc_fill_free,
+		      mem->cc.climit - mem->cc.cbase);
+    }
+    return cp;
+}
+
+/* Acquire a chunk.  If we would exceed MaxLocalVM (if relevant), */
+/* or if we would exceed the VMThreshold and psignal is NULL, */
+/* return 0; if we would exceed the VMThreshold but psignal is valid, */
+/* just set the signal and return successfully. */
+private chunk_t *
+alloc_acquire_chunk(gs_ref_memory_t * mem, ulong csize, bool has_strings,
+		    client_name_t cname)
+{
+    gs_raw_memory_t *parent = mem->parent;
+    chunk_t *cp;
+    byte *cdata;
+
+#if arch_sizeof_long > arch_sizeof_int
+    /* If csize is larger than max_uint, punt. */
+    if (csize != (uint) csize)
+	return 0;
+#endif
+    cp = gs_raw_alloc_struct_immovable(parent, &st_chunk, cname);
+    if ((ulong) (mem->allocated + mem->inherited) >= mem->limit) {
+	mem->gc_status.requested += csize;
+	if (mem->limit >= mem->gc_status.max_vm ||
+	    mem->gc_status.psignal == 0
+	    )
+	    return 0;
+	if_debug4('0', "[0]signaling space=%d, allocated=%ld, limit=%ld, requested=%ld\n",
+		  mem->space, (long)mem->allocated,
+		  (long)mem->limit, (long)mem->gc_status.requested);
+	*mem->gc_status.psignal = mem->gc_status.signal_value;
+    }
+    cdata = gs_alloc_bytes_immovable(parent, csize, cname);
+    if (cp == 0 || cdata == 0) {
+	gs_free_object(parent, cdata, cname);
+	gs_free_object(parent, cp, cname);
+	mem->gc_status.requested = csize;
+	return 0;
+    }
+    alloc_init_chunk(cp, cdata, cdata + csize, has_strings, (chunk_t *) 0);
+    alloc_link_chunk(cp, mem);
+    mem->allocated += st_chunk.ssize + csize;
+    return cp;
+}
+
+/* Initialize the pointers in a chunk.  This is exported for save/restore. */
+/* The bottom pointer must be aligned, but the top pointer need not */
+/* be aligned. */
+void
+alloc_init_chunk(chunk_t * cp, byte * bot, byte * top, bool has_strings,
+		 chunk_t * outer)
+{
+    byte *cdata = bot;
+
+    if (outer != 0)
+	outer->inner_count++;
+    cp->chead = (chunk_head_t *) cdata;
+    cdata += sizeof(chunk_head_t);
+    cp->cbot = cp->cbase = cdata;
+    cp->cend = top;
+    cp->rcur = 0;
+    cp->rtop = 0;
+    cp->outer = outer;
+    cp->inner_count = 0;
+    cp->has_refs = false;
+    cp->sbase = cdata;
+    if (has_strings && top - cdata >= string_space_quantum + sizeof(long) - 1) {	/*
+											 * We allocate a large enough string marking and reloc table
+											 * to cover the entire chunk.
+											 */
+	uint nquanta = string_space_quanta(top - cdata);
+
+	cp->climit = cdata + nquanta * string_data_quantum;
+	cp->smark = cp->climit;
+	cp->smark_size = string_quanta_mark_size(nquanta);
+	cp->sreloc =
+	    (string_reloc_offset *) (cp->smark + cp->smark_size);
+	cp->sfree1 = (ushort *) cp->sreloc;
+    } else {			/* No strings, don't need the string GC tables. */
+	cp->climit = cp->cend;
+	cp->sfree1 = 0;
+	cp->smark = 0;
+	cp->smark_size = 0;
+	cp->sreloc = 0;
+    }
+    cp->ctop = cp->climit;
+    alloc_init_free_strings(cp);
+}
+
+/* Initialize the string freelists in a chunk. */
+void
+alloc_init_free_strings(chunk_t * cp)
+{
+    if (cp->sfree1)
+	memset(cp->sfree1, 0,
+	       ((cp->climit - csbase(cp) + 255) >> 8) *
+	       sizeof(*cp->sfree1));
+    cp->sfree = 0;
+}
+
+/* Close up the current chunk. */
+/* This is exported for save/restore and the GC. */
+void
+alloc_close_chunk(gs_ref_memory_t * mem)
+{
+    if (mem->pcc != 0) {
+	*mem->pcc = mem->cc;
+#ifdef DEBUG
+	if (gs_debug_c('a')) {
+	    dlprintf1("[a%d]", mem->space);
+	    dprintf_chunk("closing chunk", mem->pcc);
+	}
+#endif
+    }
+}
+
+/* Reopen the current chunk after a GC or restore. */
+void
+alloc_open_chunk(gs_ref_memory_t * mem)
+{
+    if (mem->pcc != 0) {
+	mem->cc = *mem->pcc;
+#ifdef DEBUG
+	if (gs_debug_c('a')) {
+	    dlprintf1("[a%d]", mem->space);
+	    dprintf_chunk("opening chunk", mem->pcc);
+	}
+#endif
+    }
+}
+
+/* Remove a chunk from the chain.  This is exported for the GC. */
+void
+alloc_unlink_chunk(chunk_t * cp, gs_ref_memory_t * mem)
+{
+#ifdef DEBUG
+    if (gs_alloc_debug) {	/* Check to make sure this chunk belongs to this allocator. */
+	const chunk_t *ap = mem->cfirst;
+
+	while (ap != 0 && ap != cp)
+	    ap = ap->cnext;
+	if (ap != cp) {
+	    lprintf2("unlink_chunk 0x%lx not owned by memory 0x%lx!\n",
+		     (ulong) cp, (ulong) mem);
+	    return;		/*gs_abort(); */
+	}
+    }
+#endif
+    if (cp->cprev == 0)
+	mem->cfirst = cp->cnext;
+    else
+	cp->cprev->cnext = cp->cnext;
+    if (cp->cnext == 0)
+	mem->clast = cp->cprev;
+    else
+	cp->cnext->cprev = cp->cprev;
+    if (mem->pcc != 0) {
+	mem->cc.cnext = mem->pcc->cnext;
+	mem->cc.cprev = mem->pcc->cprev;
+	if (mem->pcc == cp) {
+	    mem->pcc = 0;
+	    mem->cc.cbot = mem->cc.ctop = 0;
+	}
+    }
+}
+
+/*
+ * Free a chunk.  This is exported for the GC.  Since we eventually use
+ * this to free the chunk containing the allocator itself, we must be
+ * careful not to reference anything in the allocator after freeing the
+ * chunk data.
+ */
+void
+alloc_free_chunk(chunk_t * cp, gs_ref_memory_t * mem)
+{
+    gs_raw_memory_t *parent = mem->parent;
+
+    alloc_unlink_chunk(cp, mem);
+    mem->allocated -= st_chunk.ssize;
+    if (mem->cfreed.cp == cp)
+	mem->cfreed.cp = 0;
+    if (cp->outer == 0) {
+	byte *cdata = (byte *) cp->chead;
+
+	mem->allocated -= cp->cend - cdata;
+	gs_free_object(parent, cdata, "alloc_free_chunk(data)");
+    } else
+	cp->outer->inner_count--;
+    gs_free_object(parent, cp, "alloc_free_chunk(chunk struct)");
+}
+
+/* Find the chunk for a pointer. */
+/* Note that this only searches the current save level. */
+/* Since a given save level can't contain both a chunk and an inner chunk */
+/* of that chunk, we can stop when is_within_chunk succeeds, and just test */
+/* is_in_inner_chunk then. */
+bool
+chunk_locate_ptr(const void *ptr, chunk_locator_t * clp)
+{
+    register chunk_t *cp = clp->cp;
+
+    if (cp == 0) {
+	cp = clp->memory->cfirst;
+	if (cp == 0)
+	    return false;
+    }
+    if (ptr_lt(ptr, cp->cbase)) {
+	do {
+	    cp = cp->cprev;
+	    if (cp == 0)
+		return false;
+	}
+	while (ptr_lt(ptr, cp->cbase));
+	if (ptr_ge(ptr, cp->cend))
+	    return false;
+    } else {
+	while (ptr_ge(ptr, cp->cend)) {
+	    cp = cp->cnext;
+	    if (cp == 0)
+		return false;
+	}
+	if (ptr_lt(ptr, cp->cbase))
+	    return false;
+    }
+    clp->cp = cp;
+    return !ptr_is_in_inner_chunk(ptr, cp);
+}
+
+/* ------ Debugging printout ------ */
+
+#ifdef DEBUG
+
+#include "string_.h"
+
+/*
+ * Define the options for a memory dump.  These may be or'ed together.
+ */
+typedef enum {
+    dump_do_default = 0,	/* pro forma */
+    dump_do_strings = 1,
+    dump_do_type_addresses = 2,
+    dump_do_no_types = 4,
+    dump_do_pointers = 8,
+    dump_do_pointed_strings = 16,	/* only if do_pointers also set */
+    dump_do_contents = 32,
+    dump_do_marks = 64
+} dump_options_t;
+
+/*
+ * Define all the parameters controlling what gets dumped.
+ */
+typedef struct dump_control_s {
+    dump_options_t options;
+    const byte *bottom;
+    const byte *top;
+} dump_control_t;
+
+inline private bool
+obj_in_control_region(const void *obot, const void *otop,
+		      const dump_control_t *pdc)
+{
+    return
+	((pdc->bottom == NULL || ptr_gt(otop, pdc->bottom)) &&
+	 (pdc->top == NULL || ptr_lt(obot, pdc->top)));
+}
+
+const dump_control_t dump_control_default =
+{
+    dump_do_default, NULL, NULL
+};
+const dump_control_t dump_control_all =
+{
+    dump_do_strings | dump_do_type_addresses | dump_do_pointers |
+    dump_do_pointed_strings | dump_do_contents, NULL, NULL
+};
+
+/*
+ * Internal procedure to dump a block of memory, in hex and optionally
+ * also as characters.
+ */
+private void
+debug_indent(int indent)
+{
+    int i;
+
+    for (i = indent; i > 0; --i)
+	dputc(' ');
+}
+private void
+debug_dump_contents(const byte * bot, const byte * top, int indent,
+		    bool as_chars)
+{
+    const byte *block;
+
+#define block_size 16
+
+    if (bot >= top)
+	return;
+    for (block = bot - ((bot - (byte *) 0) & (block_size - 1));
+	 block < top; block += block_size
+	) {
+	int i;
+	char label[12];
+
+	/* Check for repeated blocks. */
+	if (block >= bot + block_size &&
+	    block <= top - (block_size * 2) &&
+	    !memcmp(block, block - block_size, block_size) &&
+	    !memcmp(block, block + block_size, block_size)
+	    ) {
+	    if (block < bot + block_size * 2 ||
+		memcmp(block, block - block_size * 2, block_size)
+		) {
+		debug_indent(indent);
+		dputs("  ...\n");
+	    }
+	    continue;
+	}
+	sprintf(label, "0x%lx:", (ulong) block);
+	debug_indent(indent);
+	dputs(label);
+	for (i = 0; i < block_size; ++i) {
+	    const char *sepr = ((i & 3) == 0 && i != 0 ? "  " : " ");
+
+	    dputs(sepr);
+	    if (block + i >= bot && block + i < top)
+		dprintf1("%02x", block[i]);
+	    else
+		dputs("  ");
+	}
+	dputc('\n');
+	if (as_chars) {
+	    debug_indent(indent + strlen(label));
+	    for (i = 0; i < block_size; ++i) {
+		byte ch;
+
+		if ((i & 3) == 0 && i != 0)
+		    dputc(' ');
+		if (block + i >= bot && block + i < top &&
+		    (ch = block[i]) >= 32 && ch <= 126
+		    )
+		    dprintf1("  %c", ch);
+		else
+		    dputs("   ");
+	    }
+	    dputc('\n');
+	}
+    }
+#undef block_size
+}
+
+/* Print one object with the given options. */
+/* Relevant options: type_addresses, no_types, pointers, pointed_strings, */
+/* contents. */
+void
+debug_print_object(const void *obj, const dump_control_t * control)
+{
+    const obj_header_t *pre = ((const obj_header_t *)obj) - 1;
+    ulong size = pre_obj_contents_size(pre);
+    const gs_memory_struct_type_t *type = pre->o_type;
+    dump_options_t options = control->options;
+
+    dprintf3("  pre=0x%lx(obj=0x%lx) size=%lu", (ulong) pre, (ulong) obj,
+	     size);
+    switch (options & (dump_do_type_addresses | dump_do_no_types)) {
+	case dump_do_type_addresses + dump_do_no_types:	/* addresses only */
+	    dprintf1(" type=0x%lx", (ulong) type);
+	    break;
+	case dump_do_type_addresses:	/* addresses & names */
+	    dprintf2(" type=%s(0x%lx)", struct_type_name_string(type),
+		     (ulong) type);
+	    break;
+	case 0:		/* names only */
+	    dprintf1(" type=%s", struct_type_name_string(type));
+	case dump_do_no_types:	/* nothing */
+	    ;
+    }
+    if (options & dump_do_marks) {
+	if (pre->o_large)
+	    dprintf1(" lmark=%d", pre->o_lmark);
+	else
+	    dprintf2(" smark/back=%u (0x%x)", pre->o_smark, pre->o_smark);
+    }
+    dputc('\n');
+    if (type == &st_free)
+	return;
+    if (options & dump_do_pointers) {
+	struct_proc_enum_ptrs((*proc)) = type->enum_ptrs;
+	uint index = 0;
+	const void *ptr;
+	gs_ptr_type_t ptype;
+
+	/*
+	 * NOTE: the following cast should be unnecessary, but that
+	 * will require adding 'const' to the first prototype argument
+	 * of struct_proc_enum_ptrs.
+	 */
+	if (proc != gs_no_struct_enum_ptrs)
+	    for (; (ptype = (*proc) ((obj_header_t *) pre + 1, size, index, &ptr, type, NULL)) != 0;
+		 ++index
+		) {
+		dprintf1("    ptr %u: ", index);
+		if (ptype == ptr_string_type || ptype == ptr_const_string_type) {
+		    const gs_const_string *str = (const gs_const_string *)ptr;
+
+		    dprintf2("0x%lx(%u)", (ulong) str->data, str->size);
+		    if (options & dump_do_pointed_strings) {
+			dputs(" =>\n");
+			debug_dump_contents(str->data, str->data + str->size, 6,
+					    true);
+		    } else {
+			dputc('\n');
+		    }
+		} else {
+		    dprintf1((ptr_between(ptr, obj, (const byte *)obj + size) ?
+			      "(0x%lx)\n" : "0x%lx\n"), (ulong) ptr);
+		}
+	    }
+    }
+    if (options & dump_do_contents) {
+	debug_dump_contents((const byte *)obj, (const byte *)obj + size,
+			    0, false);
+    }
+}
+
+/* Print the contents of a chunk with the given options. */
+/* Relevant options: all. */
+void
+debug_dump_chunk(const chunk_t * cp, const dump_control_t * control)
+{
+    dprintf1("chunk at 0x%lx:\n", (ulong) cp);
+    dprintf3("   chead=0x%lx  cbase=0x%lx sbase=0x%lx\n",
+	     (ulong) cp->chead, (ulong) cp->cbase, (ulong) cp->sbase);
+    dprintf3("    rcur=0x%lx   rtop=0x%lx  cbot=0x%lx\n",
+	     (ulong) cp->rcur, (ulong) cp->rtop, (ulong) cp->cbot);
+    dprintf4("    ctop=0x%lx climit=0x%lx smark=0x%lx, size=%u\n",
+	     (ulong) cp->ctop, (ulong) cp->climit, (ulong) cp->smark,
+	     cp->smark_size);
+    dprintf2("  sreloc=0x%lx   cend=0x%lx\n",
+	     (ulong) cp->sreloc, (ulong) cp->cend);
+    dprintf5("cprev=0x%lx cnext=0x%lx outer=0x%lx inner_count=%u has_refs=%s\n",
+	     (ulong) cp->cprev, (ulong) cp->cnext, (ulong) cp->outer,
+	     cp->inner_count, (cp->has_refs ? "true" : "false"));
+
+    dprintf2("  sfree1=0x%lx   sfree=0x%x\n",
+	     (ulong) cp->sfree1, cp->sfree);
+    if (control->options & dump_do_strings) {
+	debug_dump_contents((control->bottom == 0 ? cp->ctop :
+			     max(control->bottom, cp->ctop)),
+			    (control->top == 0 ? cp->climit :
+			     min(control->top, cp->climit)),
+			    0, true);
+    }
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+	if (obj_in_control_region(pre + 1,
+				  (const byte *)(pre + 1) + size,
+				  control)
+	)
+	debug_print_object(pre + 1, control);
+/* Temporarily redefine gs_exit so a chunk parsing error */
+/* won't actually exit. */
+#define gs_exit(n) DO_NOTHING
+    END_OBJECTS_SCAN
+#undef gs_exit
+}
+void 
+debug_print_chunk(const chunk_t * cp)
+{
+    dump_control_t control;
+
+    control = dump_control_default;
+    debug_dump_chunk(cp, &control);
+}
+
+/* Print the contents of all chunks managed by an allocator. */
+/* Relevant options: all. */
+void
+debug_dump_memory(const gs_ref_memory_t * mem, const dump_control_t * control)
+{
+    const chunk_t *mcp;
+
+    for (mcp = mem->cfirst; mcp != 0; mcp = mcp->cnext) {
+	const chunk_t *cp = (mcp == mem->pcc ? &mem->cc : mcp);
+
+	if (obj_in_control_region(cp->cbase, cp->cend, control))
+	    debug_dump_chunk(cp, control);
+    }
+}
+
+#endif /* DEBUG */
diff --git a/pstoraster/gsalloc.h b/pstoraster/gsalloc.h
new file mode 100644
index 000000000..d5f855f37
--- /dev/null
+++ b/pstoraster/gsalloc.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Memory allocator extensions for standard allocator */
+
+#ifndef gsalloc_INCLUDED
+#  define gsalloc_INCLUDED
+
+/* The following should not be needed at this level! */
+
+#ifndef gs_ref_memory_DEFINED
+#  define gs_ref_memory_DEFINED
+typedef struct gs_ref_memory_s gs_ref_memory_t;
+#endif
+
+/*
+ * Define a structure and interface for GC-related allocator state.
+ */
+typedef struct gs_memory_gc_status_s {
+	/* Set by client */
+    long vm_threshold;		/* GC interval */
+    long max_vm;		/* maximum allowed allocation */
+    int *psignal;		/* if not NULL, store signal_value */
+				/* here if we go over the vm_threshold */
+    int signal_value;		/* value to store in *psignal */
+    bool enabled;		/* auto GC enabled if true */
+	/* Set by allocator */
+    long requested;		/* amount of last failing request */
+} gs_memory_gc_status_t;
+void gs_memory_gc_status(P2(const gs_ref_memory_t *, gs_memory_gc_status_t *));
+void gs_memory_set_gc_status(P2(gs_ref_memory_t *, const gs_memory_gc_status_t *));
+
+/* ------ Initialization ------ */
+
+/*
+ * Allocate and mostly initialize the state of an allocator (system, global,
+ * or local).  Does not initialize global or space.
+ */
+gs_ref_memory_t *ialloc_alloc_state(P2(gs_raw_memory_t *, uint));
+
+/*
+ * Add a chunk to an externally controlled allocator.  Such allocators
+ * allocate all objects as immovable, are not garbage-collected, and
+ * don't attempt to acquire additional memory (or free chunks) on their own.
+ */
+int ialloc_add_chunk(P3(gs_ref_memory_t *, ulong, client_name_t));
+
+/* ------ Internal routines ------ */
+
+/* Prepare for a GC. */
+void ialloc_gc_prepare(P1(gs_ref_memory_t *));
+
+/* Initialize after a save. */
+void ialloc_reset(P1(gs_ref_memory_t *));
+
+/* Initialize after a save or GC. */
+void ialloc_reset_free(P1(gs_ref_memory_t *));
+
+/* Set the cached allocation limit of an alloctor from its GC parameters. */
+void ialloc_set_limit(P1(gs_ref_memory_t *));
+
+/* Consolidate free objects. */
+void ialloc_consolidate_free(P1(gs_ref_memory_t *));
+
+#endif /* gsalloc_INCLUDED */
diff --git a/pstoraster/gsalpha.c b/pstoraster/gsalpha.c
new file mode 100644
index 000000000..45f185c73
--- /dev/null
+++ b/pstoraster/gsalpha.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Graphics state alpha value access */
+#include "gx.h"
+#include "gsalpha.h"
+#include "gxdcolor.h"
+#include "gzstate.h"
+
+/* setalpha */
+int
+gs_setalpha(gs_state * pgs, floatp alpha)
+{
+    pgs->alpha =
+	(gx_color_value) (alpha < 0 ? 0 : alpha > 1 ? gx_max_color_value :
+			  alpha * gx_max_color_value);
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* currentalpha */
+float
+gs_currentalpha(const gs_state * pgs)
+{
+    return (float)pgs->alpha / gx_max_color_value;
+}
diff --git a/pstoraster/gsalpha.h b/pstoraster/gsalpha.h
new file mode 100644
index 000000000..772553ff8
--- /dev/null
+++ b/pstoraster/gsalpha.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* API for alpha value in graphics state */
+
+#ifndef gsalpha_INCLUDED
+#  define gsalpha_INCLUDED
+
+/*
+ * This tiny little file is separate so that it can be included by
+ * gsstate.c for initializing the alpha value, even in configurations
+ * that don't have full alpha support.
+ */
+
+/* Set/read alpha value. */
+int gs_setalpha(P2(gs_state *, floatp));
+float gs_currentalpha(P1(const gs_state *));
+
+#endif /* gsalpha_INCLUDED */
diff --git a/pstoraster/gsalphac.h b/pstoraster/gsalphac.h
new file mode 100644
index 000000000..5afe0c3ef
--- /dev/null
+++ b/pstoraster/gsalphac.h
@@ -0,0 +1,71 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Alpha-compositing interface */
+
+#ifndef gsalphac_INCLUDED
+#  define gsalphac_INCLUDED
+
+#include "gscompt.h"
+
+/*
+ * Define the compositing operations.  These values must match the ones in
+ * dpsNeXT.h.
+ */
+typedef enum {
+    composite_Clear = 0,
+    composite_Copy,
+    composite_Sover,
+    composite_Sin,
+    composite_Sout,
+    composite_Satop,
+    composite_Dover,
+    composite_Din,
+    composite_Dout,
+    composite_Datop,
+    composite_Xor,
+    composite_PlusD,
+    composite_PlusL,
+#define composite_last composite_PlusL
+    composite_Highlight,	/* (only for compositerect) */
+#define compositerect_last composite_Highlight
+    composite_Dissolve		/* (not for PostScript composite operators) */
+#define composite_op_last composite_Dissolve
+} gs_composite_op_t;
+
+/*
+ * Define parameters for alpha-compositing.
+ */
+typedef struct gs_composite_alpha_params_s {
+    gs_composite_op_t op;
+    float delta;		/* only for Dissolve */
+} gs_composite_alpha_params_t;
+
+/* Create an alpha-compositing object. */
+int gs_create_composite_alpha(P3(gs_composite_t ** ppcte,
+				 const gs_composite_alpha_params_t * params,
+				 gs_memory_t * mem));
+
+#endif /* gsalphac_INCLUDED */
diff --git a/pstoraster/gsargs.c b/pstoraster/gsargs.c
new file mode 100644
index 000000000..f0102c1b3
--- /dev/null
+++ b/pstoraster/gsargs.c
@@ -0,0 +1,225 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command line argument list management */
+#include "ctype_.h"
+#include "stdio_.h"
+#include "string_.h"
+#include "gsexit.h"
+#include "gsmemory.h"
+#include "gsargs.h"
+
+/* Initialize an arg list. */
+void
+arg_init(arg_list * pal, const char **argv, int argc,
+	 FILE * (*arg_fopen) (P2(const char *fname, void *fopen_data)),
+	 void *fopen_data)
+{
+    pal->expand_ats = true;
+    pal->arg_fopen = arg_fopen;
+    pal->fopen_data = fopen_data;
+    pal->argp = argv + 1;
+    pal->argn = argc - 1;
+    pal->depth = 0;
+}
+
+/* Push a string onto an arg list. */
+void
+arg_push_memory_string(arg_list * pal, const char *str, gs_memory_t * mem)
+{
+    arg_source *pas;
+
+    if (pal->depth == arg_depth_max) {
+	lprintf("Too much nesting of @-files.\n");
+	gs_exit(1);
+    }
+    pas = &pal->sources[pal->depth];
+    pas->is_file = false;
+    pas->u.s.chars = str;
+    pas->u.s.memory = mem;
+    pas->u.s.str = str;
+    pal->depth++;
+}
+
+/* Clean up an arg list. */
+void
+arg_finit(arg_list * pal)
+{
+    while (pal->depth) {
+	arg_source *pas = &pal->sources[--(pal->depth)];
+
+	if (pas->is_file)
+	    fclose(pas->u.file);
+	else if (pas->u.s.memory)
+	    gs_free_object(pas->u.s.memory, (void *)pas->u.s.chars, "arg_finit");
+    }
+}
+
+/* Get the next arg from a list. */
+/* Note that these are not copied to the heap. */
+const char *
+arg_next(arg_list * pal)
+{
+    arg_source *pas;
+    FILE *f;
+    const char *astr = 0;	/* initialized only to pacify gcc */
+    char *cstr;
+    const char *result;
+    int endc;
+    int c, i;
+    bool in_quote, eol;
+
+  top:pas = &pal->sources[pal->depth - 1];
+    if (pal->depth == 0) {
+	if (pal->argn <= 0)	/* all done */
+	    return 0;
+	pal->argn--;
+	result = *(pal->argp++);
+	goto at;
+    }
+    if (pas->is_file)
+	f = pas->u.file, endc = EOF;
+    else
+	astr = pas->u.s.str, f = NULL, endc = 0;
+    result = cstr = pal->cstr;
+#define cfsgetc() (f == NULL ? (*astr ? *astr++ : 0) : fgetc(f))
+#define is_eol(c) (c == '\r' || c == '\n')
+    i = 0;
+    in_quote = false;
+    eol = true;
+    c = cfsgetc();
+    for (i = 0;;) {
+	if (c == endc) {
+	    if (in_quote) {
+		cstr[i] = 0;
+		fprintf(stderr, "Unterminated quote in @-file: %s\n", cstr);
+		gs_exit(1);
+	    }
+	    if (i == 0) {
+		/* EOF before any argument characters. */
+		if (f != NULL)
+		    fclose(f);
+		else if (pas->u.s.memory)
+		    gs_free_object(pas->u.s.memory, (void *)pas->u.s.chars,
+				   "arg_next");
+		pal->depth--;
+		goto top;
+	    }
+	    break;
+	}
+	/* c != endc */
+	if (isspace(c)) {
+	    if (i == 0) {
+		c = cfsgetc();
+		continue;
+	    }
+	    if (!in_quote)
+		break;
+	}
+	/* c isn't leading or terminating whitespace. */
+	if (c == '#' && eol) {
+	    /* Skip a comment. */
+	    do {
+		c = cfsgetc();
+	    } while (!(c == endc || is_eol(c)));
+	    if (c == '\r')
+		c = cfsgetc();
+	    if (c == '\n')
+		c = cfsgetc();
+	    continue;
+	}
+	if (c == '\\') {
+	    /* Check for \ followed by newline. */
+	    c = cfsgetc();
+	    if (is_eol(c)) {
+		if (c == '\r')
+		    c = cfsgetc();
+		if (c == '\n')
+		    c = cfsgetc();
+		eol = true;
+		continue;
+	    }
+	    /* \ anywhere else is treated as a printing character. */
+	    /* This is different from the Unix shells. */
+	    if (i == arg_str_max - 1) {
+		cstr[i] = 0;
+		fprintf(stderr, "Command too long: %s\n", cstr);
+		gs_exit(1);
+	    }
+	    cstr[i++] = '\\';
+	    eol = false;
+	    continue;
+	}
+	/* c will become part of the argument */
+	if (i == arg_str_max - 1) {
+	    cstr[i] = 0;
+	    fprintf(stderr, "Command too long: %s\n", cstr);
+	    gs_exit(1);
+	}
+	/* If input is coming from an @-file, allow quotes */
+	/* to protect whitespace. */
+	if (c == '"' && f != NULL)
+	    in_quote = !in_quote;
+	else
+	    cstr[i++] = c;
+	eol = is_eol(c);
+	c = cfsgetc();
+    }
+    cstr[i] = 0;
+    if (f == NULL)
+	pas->u.s.str = astr;
+  at:if (pal->expand_ats && result[0] == '@') {
+	if (pal->depth == arg_depth_max) {
+	    lprintf("Too much nesting of @-files.\n");
+	    gs_exit(1);
+	}
+	result++;		/* skip @ */
+	f = (*pal->arg_fopen) (result, pal->fopen_data);
+	if (f == NULL) {
+	    fprintf(stderr, "Unable to open command line file %s\n", result);
+	    gs_exit(1);
+	}
+	pal->depth++;
+	pas++;
+	pas->is_file = true;
+	pas->u.file = f;
+	goto top;
+    }
+    return result;
+}
+
+/* Copy an argument string to the heap. */
+char *
+arg_copy(const char *str, gs_memory_t * mem)
+{
+    char *sstr = (char *)gs_alloc_bytes(mem, strlen(str) + 1, "arg_copy");
+
+    if (sstr == 0) {
+	lprintf("Out of memory!\n");
+	gs_exit(1);
+    }
+    strcpy(sstr, str);
+    return sstr;
+}
diff --git a/pstoraster/gsargs.h b/pstoraster/gsargs.h
new file mode 100644
index 000000000..e5de18661
--- /dev/null
+++ b/pstoraster/gsargs.h
@@ -0,0 +1,89 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command line argument list management */
+
+#ifndef gsargs_INCLUDED
+#  define gsargs_INCLUDED
+
+/*
+ * We need to handle recursion into @-files.
+ * The following structures keep track of the state.
+ * Defining a maximum argument length and a maximum nesting depth
+ * decreases generality, but eliminates the need for dynamic allocation.
+ */
+#define arg_str_max 512
+#define arg_depth_max 10
+typedef struct arg_source_s {
+    bool is_file;
+    union _u {
+	struct _su {
+	    const char *chars;	/* original string */
+	    gs_memory_t *memory;	/* if non-0, free chars when done with it */
+	    const char *str;	/* string being read */
+	} s;
+	FILE *file;
+    } u;
+} arg_source;
+typedef struct arg_list_s {
+    bool expand_ats;		/* if true, expand @-files */
+    FILE *(*arg_fopen) (P2(const char *fname, void *fopen_data));
+    void *fopen_data;
+    const char **argp;
+    int argn;
+    int depth;			/* depth of @-files */
+    char cstr[arg_str_max + 1];
+    arg_source sources[arg_depth_max];
+} arg_list;
+
+/* Initialize an arg list. */
+void arg_init(P5(arg_list * pal, const char **argv, int argc,
+	      FILE * (*arg_fopen) (P2(const char *fname, void *fopen_data)),
+		 void *fopen_data));
+
+/*
+ * Push a string onto an arg list.
+ * This may also be used (once) to "unread" the last argument.
+ * If mem != 0, it is used to free the string when we are done with it.
+ */
+void arg_push_memory_string(P3(arg_list * pal, const char *str,
+			       gs_memory_t * mem));
+
+#define arg_push_string(pal, str)\
+  arg_push_memory_string(pal, str, (gs_memory_t *)0);
+
+/* Clean up an arg list before exiting. */
+void arg_finit(P1(arg_list * pal));
+
+/*
+ * Get the next arg from a list.
+ * Note that these are not copied to the heap.
+ */
+const char *arg_next(P1(arg_list * pal));
+
+/* Copy an argument string to the heap. */
+char *arg_copy(P2(const char *str, gs_memory_t * mem));
+
+#endif /* gsargs_INCLUDED */
diff --git a/pstoraster/gsbitmap.h b/pstoraster/gsbitmap.h
new file mode 100644
index 000000000..bd9c7498e
--- /dev/null
+++ b/pstoraster/gsbitmap.h
@@ -0,0 +1,193 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Library "client" bitmap structures */
+
+#ifndef gsbitmap_INCLUDED
+#define gsbitmap_INCLUDED
+
+#include "gsstruct.h"		/* for extern_st */
+
+/*
+ * The Ghostscript library stores all bitmaps bit-big-endian (i.e., the 0x80
+ * bit of the first byte corresponds to x=0), as a sequence of bytes (i.e.,
+ * you can't do word-oriented operations on them if you're on a
+ * little-endian platform like the Intel 80x86 or VAX).  The first scan line
+ * corresponds to y=0 in whatever coordinate system is relevant.
+ *
+ * The structures defined here are for APIs that don't impose any alignment
+ * restrictions on either the starting address or the raster (distance
+ * between scan lines) of bitmap data.  The structures defined in gxbitmap.h
+ * do impose alignment restrictions, so that the library can use more
+ * efficient algorithms; they are declared with identical contents to the
+ * ones defined here, so that one can cast between them under appropriate
+ * circumstances (aligned to unaligned is always safe; unaligned to
+ * aligned is safe if one knows somehow that the data are actually aligned.)
+ *
+ * In this file we also provide structures that include depth information.
+ * It probably was a design mistake not to include this information in the
+ * gx structures as well.
+ */
+
+/*
+ * Drivers such as the X driver and the command list (band list) driver
+ * benefit greatly by being able to cache bitmaps (tiles and characters)
+ * and refer to them later.  To help them recognize when a bitmap is the
+ * same as one that they have seen before, the core code passes an optional
+ * ID with the property that if two bitmaps have the same ID, they are
+ * guaranteed to have the same contents.  (The converse is *not* true,
+ * however: two bitmaps may have different IDs and still be the same.)
+ */
+typedef gs_id gs_bitmap_id;
+
+/* Define a special value to indicate "no identifier". */
+#define gs_no_bitmap_id     gs_no_id
+
+/*
+ * In its simplest form, the client bitmap structure does not specify a
+ * depth, expecting it to be implicit in the context of use.  In many cases
+ * it is possible to guess this by comparing size.x and raster, but of
+ * course code should not rely on this.  See also gs_depth_bitmap below.
+ * Requirements:
+ *      size.x > 0, size.y > 0
+ *      If size.y > 1,
+ *          raster >= (size.x * depth + 7) / 8
+ */
+#define gs_bitmap_common                                                    \
+    byte *          data;       /* pointer to the data */                   \
+    int             raster;     /* increment between scanlines, bytes */    \
+    gs_int_point    size;       /* width and height */                      \
+    gs_bitmap_id    id		/* usually unused */
+
+typedef struct gs_bitmap_s {
+    gs_bitmap_common;
+} gs_bitmap;
+
+/*
+ * For bitmaps used as halftone tiles, we may replicate the tile in
+ * X and/or Y, but it is still valuable to know the true tile dimensions
+ * (i.e., the dimensions prior to replication).  Requirements:
+ *      size.x % rep_width = 0
+ *      size.y % rep_height = 0
+ * Unaligned bitmaps are not very likely to be used as tiles (replicated),
+ * since most of the library procedures that replicate tiles expect them
+ * to be aligned.
+ */
+#define gs_tile_bitmap_common                                   \
+    gs_bitmap_common;                                           \
+    ushort      rep_width, rep_height	/* true size of tile */
+
+typedef struct gs_tile_bitmap_s {
+    gs_tile_bitmap_common;
+} gs_tile_bitmap;
+
+/*
+ * There is no "strip" version for client bitmaps, as the strip structure is
+ * primarily used to efficiently store bitmaps rendered at an angle, and
+ * there is little reason to do so with client bitmaps.
+ *
+ * For client bitmaps it is not always apparent from context what the intended
+ * depth per sample value is. To provide for this, an extended version of the
+ * bitmap structure is provided, that handles both variable depth and
+ * interleaved color components. This structure is provided in both the
+ * normal and tiled version.
+ *
+ * Extending this line of thinking, one could also add color space information
+ * to a client bitmap structure. We have chosen not to do so, because color
+ * space is almost always derived from context, and to provide such a feature
+ * would involve additional memory-management complexity.
+ */
+#define gs_depth_bitmap_common                                      \
+    gs_bitmap_common;                                               \
+    byte     pix_depth;      /* bits per sample */                  \
+    byte     num_comps      /* number of interleaved components */  \
+
+typedef struct gs_depth_bitmap_s {
+    gs_depth_bitmap_common;
+} gs_depth_bitmap;
+
+#define gs_tile_depth_bitmap_common                                 \
+    gs_tile_bitmap_common;                                          \
+    byte     pix_depth;     /* bits per sample */                   \
+    byte     num_comps      /* number of interleaved components */  \
+
+typedef struct gs_tile_depth_bitmap_s {
+    gs_tile_depth_bitmap_common;
+} gs_tile_depth_bitmap;
+
+/*
+ * For reasons that are no entirely clear, no memory management routines were
+ * provided for the aligned bitmap structures provided in gxbitmap.h. Since
+ * client bitmaps will, by nature, be created by different clients, so public
+ * memory management procedures are provided. Note that the memory management
+ * structure names retain the "gs_" prefix, to distinguish these structures
+ * from those that may be provided for the gx_*_bitmap structures.
+ *
+ * For historical reasons of no particular validity (this was where the client
+ * bitmap structure was first provided), the memory managment procedures for
+ * client bitmap structures are included in gspcolor.c.
+ */
+extern_st(st_gs_bitmap);
+extern_st(st_gs_tile_bitmap);
+extern_st(st_gs_depth_bitmap);
+extern_st(st_gs_tile_depth_bitmap);
+
+#define public_st_gs_bitmap()   /* in gspcolor.c */ \
+    gs_public_st_ptrs1( st_gs_bitmap,               \
+                        gs_bitmap,                  \
+                        "client bitmap",            \
+                        bitmap_enum_ptrs,           \
+                        bitmap_reloc_ptrs,          \
+                        data                        \
+                        )
+
+#define public_st_gs_tile_bitmap()  /* in gspcolor.c */ \
+    gs_public_st_suffix_add0_local( st_gs_tile_bitmap,        \
+				    gs_tile_bitmap,           \
+				    "client tile bitmap",     \
+				    bitmap_enum_ptrs,    \
+				    bitmap_reloc_ptrs,   \
+				    st_gs_bitmap              \
+				    )
+
+#define public_st_gs_depth_bitmap() /* in gspcolor.c */ \
+    gs_public_st_suffix_add0_local( st_gs_depth_bitmap,       \
+				    gs_depth_bitmap,          \
+				    "client depth bitmap",    \
+				    bitmap_enum_ptrs,   \
+				    bitmap_reloc_ptrs,  \
+				    st_gs_bitmap              \
+				    )
+
+#define public_st_gs_tile_depth_bitmap()/* in gspcolor.c */ \
+    gs_public_st_suffix_add0_local( st_gs_tile_depth_bitmap,      \
+				    gs_tile_depth_bitmap,         \
+				    "client tile_depth bitmap",   \
+				    bitmap_enum_ptrs,  \
+				    bitmap_reloc_ptrs, \
+				    st_gs_tile_bitmap             \
+				    )
+
+#endif /* gsbitmap_INCLUDED */
diff --git a/pstoraster/gsbitops.c b/pstoraster/gsbitops.c
new file mode 100644
index 000000000..f93446428
--- /dev/null
+++ b/pstoraster/gsbitops.c
@@ -0,0 +1,674 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Bitmap filling, copying, and transforming operations */
+#include "stdio_.h"
+#include "memory_.h"
+#include "gdebug.h"
+#include "gstypes.h"
+#include "gxbitops.h"
+
+/*
+ * Define a compile-time option to reverse nibble order in alpha maps.
+ * Note that this does not reverse bit order within nibbles.
+ * This option is here for a very specialized purpose and does not
+ * interact well with the rest of the code.
+ */
+#ifndef ALPHA_LSB_FIRST
+#  define ALPHA_LSB_FIRST 0
+#endif
+
+/* ---------------- Bit-oriented operations ---------------- */
+
+/* Define masks for little-endian operation. */
+/* masks[i] has the first i bits off and the rest on. */
+#if !arch_is_big_endian
+const bits16 mono_copy_masks[17] =
+{
+    0xffff, 0xff7f, 0xff3f, 0xff1f,
+    0xff0f, 0xff07, 0xff03, 0xff01,
+    0xff00, 0x7f00, 0x3f00, 0x1f00,
+    0x0f00, 0x0700, 0x0300, 0x0100,
+    0x0000
+};
+
+#  if arch_sizeof_int > 2
+const bits32 mono_fill_masks[33] =
+{
+    0xffffffff, 0xffffff7f, 0xffffff3f, 0xffffff1f,
+    0xffffff0f, 0xffffff07, 0xffffff03, 0xffffff01,
+    0xffffff00, 0xffff7f00, 0xffff3f00, 0xffff1f00,
+    0xffff0f00, 0xffff0700, 0xffff0300, 0xffff0100,
+    0xffff0000, 0xff7f0000, 0xff3f0000, 0xff1f0000,
+    0xff0f0000, 0xff070000, 0xff030000, 0xff010000,
+    0xff000000, 0x7f000000, 0x3f000000, 0x1f000000,
+    0x0f000000, 0x07000000, 0x03000000, 0x01000000,
+    0x00000000
+};
+
+#  endif
+#endif
+
+/* Fill a rectangle of bits with an 8x1 pattern. */
+/* The pattern argument must consist of the pattern in every byte, */
+/* e.g., if the desired pattern is 0xaa, the pattern argument must */
+/* have the value 0xaaaa (if ints are short) or 0xaaaaaaaa. */
+#undef chunk
+#define chunk mono_fill_chunk
+#undef mono_masks
+#define mono_masks mono_fill_masks
+void
+bits_fill_rectangle(byte * dest, int dest_bit, uint draster,
+		    mono_fill_chunk pattern, int width_bits, int height)
+{
+    uint bit;
+    chunk right_mask;
+    int line_count = height;
+    chunk *ptr;
+    int last_bit;
+
+#define FOR_EACH_LINE(stat)\
+	do { stat } while ( inc_ptr(ptr, draster), --line_count )
+
+    dest += (dest_bit >> 3) & -chunk_align_bytes;
+    ptr = (chunk *) dest;
+    bit = dest_bit & chunk_align_bit_mask;
+    last_bit = width_bits + bit - (chunk_bits + 1);
+
+    if (last_bit < 0) {		/* <=1 chunk */
+	set_mono_thin_mask(right_mask, width_bits, bit);
+	switch ((byte) pattern) {
+	    case 0:
+		FOR_EACH_LINE(*ptr &= ~right_mask;
+		    );
+		break;
+	    case 0xff:
+		FOR_EACH_LINE(*ptr |= right_mask;
+		    );
+		break;
+	    default:
+		FOR_EACH_LINE(
+		       *ptr = (*ptr & ~right_mask) | (pattern & right_mask);
+		    );
+	}
+    } else {
+	chunk mask;
+	int last = last_bit >> chunk_log2_bits;
+
+	set_mono_left_mask(mask, bit);
+	set_mono_right_mask(right_mask, (last_bit & chunk_bit_mask) + 1);
+	switch (last) {
+	    case 0:		/* 2 chunks */
+		switch ((byte) pattern) {
+		    case 0:
+			FOR_EACH_LINE(*ptr &= ~mask;
+				      ptr[1] &= ~right_mask;
+			    );
+			break;
+		    case 0xff:
+			FOR_EACH_LINE(*ptr |= mask;
+				      ptr[1] |= right_mask;
+			    );
+			break;
+		    default:
+			FOR_EACH_LINE(
+				   *ptr = (*ptr & ~mask) | (pattern & mask);
+					 ptr[1] = (ptr[1] & ~right_mask) | (pattern & right_mask);
+			    );
+		}
+		break;
+	    case 1:		/* 3 chunks */
+		switch ((byte) pattern) {
+		    case 0:
+			FOR_EACH_LINE(
+					 *ptr &= ~mask;
+					 ptr[1] = 0;
+					 ptr[2] &= ~right_mask;
+			    );
+			break;
+		    case 0xff:
+			FOR_EACH_LINE(
+					 *ptr |= mask;
+					 ptr[1] = ~(chunk) 0;
+					 ptr[2] |= right_mask;
+			    );
+			break;
+		    default:
+			FOR_EACH_LINE(
+				   *ptr = (*ptr & ~mask) | (pattern & mask);
+					 ptr[1] = pattern;
+					 ptr[2] = (ptr[2] & ~right_mask) | (pattern & right_mask);
+			    );
+		}
+		break;
+	    default:{		/* >3 chunks */
+		    uint byte_count = (last_bit >> 3) & -chunk_bytes;
+
+		    switch ((byte) pattern) {
+			case 0:
+			    FOR_EACH_LINE(
+					     *ptr &= ~mask;
+					     memset(ptr + 1, 0, byte_count);
+					     ptr[last + 1] &= ~right_mask;
+				);
+			    break;
+			case 0xff:
+			    FOR_EACH_LINE(
+					     *ptr |= mask;
+					  memset(ptr + 1, 0xff, byte_count);
+					     ptr[last + 1] |= right_mask;
+				);
+			    break;
+			default:
+			    FOR_EACH_LINE(
+				   *ptr = (*ptr & ~mask) | (pattern & mask);
+				memset(ptr + 1, (byte) pattern, byte_count);
+					     ptr[last + 1] =
+					     (ptr[last + 1] & ~right_mask) |
+					     (pattern & right_mask);
+				);
+		    }
+		}
+	}
+    }
+#undef FOR_EACH_LINE
+}
+
+/* Replicate a bitmap horizontally in place. */
+void
+bits_replicate_horizontally(byte * data, uint width, uint height,
+		 uint raster, uint replicated_width, uint replicated_raster)
+{				/* The current algorithm is extremely inefficient. */
+    uint y;
+
+    for (y = height; y-- > 0;) {
+	const byte *orig_row = data + y * raster;
+	byte *tile_row = data + y * replicated_raster;
+	uint sx;
+
+	if (!(width & 7)) {
+	    uint wbytes = width >> 3;
+
+	    for (sx = wbytes; sx-- > 0;) {
+		byte sb = orig_row[sx];
+		uint dx;
+
+		for (dx = sx + (replicated_width >> 3); dx >= wbytes;)
+		    tile_row[dx -= wbytes] = sb;
+	    }
+	} else
+	    for (sx = width; sx-- > 0;) {
+		byte sm = orig_row[sx >> 3] & (0x80 >> (sx & 7));
+		uint dx;
+
+		for (dx = sx + replicated_width; dx >= width;
+		    ) {
+		    byte *dp =
+		    (dx -= width, tile_row + (dx >> 3));
+		    byte dm = 0x80 >> (dx & 7);
+
+		    if (sm)
+			*dp |= dm;
+		    else
+			*dp &= ~dm;
+		}
+	    }
+    }
+}
+
+/* Replicate a bitmap vertically in place. */
+void
+bits_replicate_vertically(byte * data, uint height, uint raster,
+			  uint replicated_height)
+{
+    byte *dest = data;
+    uint h = replicated_height;
+    uint size = raster * height;
+
+    while (h > height) {
+	memcpy(dest + size, dest, size);
+	dest += size;
+	h -= height;
+    }
+}
+
+/* Find the bounding box of a bitmap. */
+/* Assume bits beyond the width are zero. */
+void
+bits_bounding_box(const byte * data, uint height, uint raster,
+		  gs_int_rect * pbox)
+{
+    register const ulong *lp;
+    static const byte first_1[16] =
+    {4, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0};
+    static const byte last_1[16] =
+    {0, 4, 3, 4, 2, 4, 3, 4, 1, 4, 3, 4, 2, 4, 3, 4};
+
+    /* Count trailing blank rows. */
+    /* Since the raster is a multiple of sizeof(long), */
+    /* we don't need to scan by bytes, only by longs. */
+
+    lp = (const ulong *)(data + raster * height);
+    while ((const byte *)lp > data && !lp[-1])
+	--lp;
+    if ((const byte *)lp == data) {
+	pbox->p.x = pbox->q.x = pbox->p.y = pbox->q.y = 0;
+	return;
+    }
+    pbox->q.y = height = ((const byte *)lp - data + raster - 1) / raster;
+
+    /* Count leading blank rows. */
+
+    lp = (const ulong *)data;
+    while (!*lp)
+	++lp;
+    {
+	uint n = ((const byte *)lp - data) / raster;
+
+	pbox->p.y = n;
+	if (n)
+	    height -= n, data += n * raster;
+    }
+
+    /* Find the left and right edges. */
+    /* We know that the first and last rows are non-blank. */
+
+    {
+	uint raster_longs = raster >> arch_log2_sizeof_long;
+	uint left = raster_longs - 1, right = 0;
+	ulong llong = 0, rlong = 0;
+	const byte *q;
+	uint h, n;
+
+	for (q = data, h = height; h-- > 0; q += raster) {	/* Work from the left edge by longs. */
+	    for (lp = (const ulong *)q, n = 0;
+		 n < left && !*lp; lp++, n++
+		);
+	    if (n < left)
+		left = n, llong = *lp;
+	    else
+		llong |= *lp;
+	    /* Work from the right edge by longs. */
+	    for (lp = (const ulong *)(q + raster - sizeof(long)),
+		 n = raster_longs - 1;
+
+		 n > right && !*lp; lp--, n--
+		);
+	    if (n > right)
+		right = n, rlong = *lp;
+	    else
+		rlong |= *lp;
+	}
+
+	/* Do binary subdivision on edge longs.  We assume that */
+	/* sizeof(long) = 4 or 8. */
+#if arch_sizeof_long > 8
+	Error_longs_are_too_large();
+#endif
+
+#if arch_is_big_endian
+#  define last_bits(n) ((1L << (n)) - 1)
+#  define shift_out_last(x,n) ((x) >>= (n))
+#  define right_justify_last(x,n) DO_NOTHING
+#else
+#  define last_bits(n) (-1L << ((arch_sizeof_long * 8) - (n)))
+#  define shift_out_last(x,n) ((x) <<= (n))
+#  define right_justify_last(x,n) (x) >>= ((arch_sizeof_long * 8) - (n))
+#endif
+
+	left <<= arch_log2_sizeof_long + 3;
+#if arch_sizeof_long == 8
+	if (llong & ~last_bits(32))
+	    shift_out_last(llong, 32);
+	else
+	    left += 32;
+#endif
+	if (llong & ~last_bits(16))
+	    shift_out_last(llong, 16);
+	else
+	    left += 16;
+	if (llong & ~last_bits(8))
+	    shift_out_last(llong, 8);
+	else
+	    left += 8;
+	right_justify_last(llong, 8);
+	if (llong & 0xf0)
+	    left += first_1[(byte) llong >> 4];
+	else
+	    left += first_1[(byte) llong] + 4;
+
+	right <<= arch_log2_sizeof_long + 3;
+#if arch_sizeof_long == 8
+	if (!(rlong & last_bits(32)))
+	    shift_out_last(rlong, 32);
+	else
+	    right += 32;
+#endif
+	if (!(rlong & last_bits(16)))
+	    shift_out_last(rlong, 16);
+	else
+	    right += 16;
+	if (!(rlong & last_bits(8)))
+	    shift_out_last(rlong, 8);
+	else
+	    right += 8;
+	right_justify_last(rlong, 8);
+	if (!(rlong & 0xf))
+	    right += last_1[(byte) rlong >> 4];
+	else
+	    right += last_1[(uint) rlong & 0xf] + 4;
+
+	pbox->p.x = left;
+	pbox->q.x = right;
+    }
+}
+
+/* Count the number of 1-bits in a half-byte. */
+static const byte half_byte_1s[16] =
+{0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
+
+/* Count the number of trailing 1s in an up-to-5-bit value, -1. */
+static const byte bits5_trailing_1s[32] =
+{0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 4};
+
+/* Count the number of leading 1s in an up-to-5-bit value, -1. */
+static const byte bits5_leading_1s[32] =
+{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 4};
+
+/*
+ * Compress a value between 0 and 2^M to a value between 0 and 2^N-1.
+ * Possible values of M are 1, 2, 3, or 4; of N are 1, 2, and 4.
+ * The name of the table is compress_count_M_N.
+ * As noted below, we require that N <= M.
+ */
+static const byte compress_1_1[3] =
+{0, 1, 1};
+static const byte compress_2_1[5] =
+{0, 0, 1, 1, 1};
+static const byte compress_2_2[5] =
+{0, 1, 2, 2, 3};
+static const byte compress_3_1[9] =
+{0, 0, 0, 0, 1, 1, 1, 1, 1};
+static const byte compress_3_2[9] =
+{0, 0, 1, 1, 2, 2, 2, 3, 3};
+static const byte compress_4_1[17] =
+{0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
+static const byte compress_4_2[17] =
+{0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3};
+static const byte compress_4_4[17] =
+{0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15};
+
+/* The table of tables is indexed by log2(N) and then by M-1. */
+static const byte *const compress_tables[4][4] =
+{
+    {compress_1_1, compress_2_1, compress_3_1, compress_4_1},
+    {0, compress_2_2, compress_3_2, compress_4_2},
+    {0, 0, 0, compress_4_4}
+};
+
+/*
+ * Compress an XxY-oversampled bitmap to Nx1 by counting 1-bits.  The X and
+ * Y oversampling factors are 1, 2, or 4, but may be different.  N, the
+ * resulting number of (alpha) bits per pixel, may be 1, 2, or 4; we allow
+ * compression in place, in which case N must not exceed the X oversampling
+ * factor.  Width and height are the source dimensions, and hence reflect
+ * the oversampling; both are multiples of the relevant scale factor.  The
+ * same is true for srcx.
+ */
+void
+bits_compress_scaled(const byte * src, int srcx, uint width, uint height,
+		     uint sraster, byte * dest, uint draster,
+		 const gs_log2_scale_point * plog2_scale, int log2_out_bits)
+{
+    int log2_x = plog2_scale->x, log2_y = plog2_scale->y;
+    int xscale = 1 << log2_x;
+    int yscale = 1 << log2_y;
+    int out_bits = 1 << log2_out_bits;
+    int input_byte_out_bits;
+    byte input_byte_out_mask;
+    const byte *table =
+    compress_tables[log2_out_bits][log2_x + log2_y - 1];
+    uint sskip = sraster << log2_y;
+    uint dwidth = (width >> log2_x) << log2_out_bits;
+    uint dskip = draster - ((dwidth + 7) >> 3);
+    uint mask = (1 << xscale) - 1;
+    uint count_max = 1 << (log2_x + log2_y);
+
+    /*
+     * For right now, we don't attempt to take advantage of the fact
+     * that the input is aligned.
+     */
+    const byte *srow = src + (srcx >> 3);
+    int in_shift_initial = 8 - xscale - (srcx & 7);
+    int in_shift_check = (out_bits <= xscale ? 8 - xscale : -1);
+    byte *d = dest;
+    uint h;
+
+    if (out_bits <= xscale)
+    {
+      input_byte_out_bits = out_bits << (3 - log2_x);
+      input_byte_out_mask = (1 << input_byte_out_bits) - 1;
+    }
+    else
+    {
+      input_byte_out_bits = out_bits;
+      input_byte_out_mask = (1 << input_byte_out_bits) - 1;
+    }
+
+    for (h = height; h; srow += sskip, h -= yscale) {
+	const byte *s = srow;
+
+#if ALPHA_LSB_FIRST
+#  define out_shift_initial 0
+#  define out_shift_update(out_shift, nbits) ((out_shift += (nbits)) >= 8)
+#else
+#  define out_shift_initial (8 - out_bits)
+#  define out_shift_update(out_shift, nbits) ((out_shift -= (nbits)) < 0)
+#endif
+	int out_shift = out_shift_initial;
+	byte out = 0;
+	int in_shift = in_shift_initial;
+	int dw = 8 - (srcx & 7);
+	int w;
+
+	/* Loop over source bytes. */
+	for (w = width; w > 0; w -= dw, dw = 8) {
+	    int index;
+	    int in_shift_final =
+	    (w >= dw ? 0 : dw - w);
+
+	    /*
+	     * Check quickly for all-0s or all-1s, but only if each
+	     * input byte generates no more than one output byte,
+	     * we're at an input byte boundary, and we're processing
+	     * an entire input byte (i.e., this isn't a final
+	     * partial byte.)
+	     */
+	    if (in_shift == in_shift_check && in_shift_final == 0)
+		switch (*s) {
+		    case 0:
+			for (index = sraster; index != sskip; index += sraster)
+			    if (s[index] != 0)
+				goto p;
+			if (out_shift_update(out_shift, input_byte_out_bits))
+			    *d++ = out, out_shift &= 7, out = 0;
+			s++;
+			continue;
+#if !ALPHA_LSB_FIRST		/* too messy to make it work */
+		    case 0xff:
+			for (index = sraster; index != sskip; index += sraster)
+			    if (s[index] != 0xff)
+				goto p;
+			{
+			    int shift =
+			    (out_shift -= input_byte_out_bits) + out_bits;
+
+			    if (shift > 0)
+				out |= input_byte_out_mask << shift;
+			    else {
+				out |= input_byte_out_mask >> -shift;
+				*d++ = out;
+				out_shift += 8;
+				out = input_byte_out_mask << (8 + shift);
+			    }
+			}
+			s++;
+			continue;
+#endif
+		    default:
+			;
+		}
+	  p:			/* Loop over source pixels within a byte. */
+	    do {
+		uint count;
+
+		for (index = 0, count = 0; index != sskip;
+		     index += sraster
+		    )
+		    count += half_byte_1s[(s[index] >> in_shift) & mask];
+		if (count != 0 && table[count] == 0) {	/* Look at adjacent cells to help prevent */
+		    /* dropouts. */
+		    uint orig_count = count;
+		    uint shifted_mask = mask << in_shift;
+		    byte in;
+
+		    if_debug3('B', "[B]count(%d,%d)=%d\n",
+			      (width - w) / xscale,
+			      (height - h) / yscale, count);
+		    if (yscale > 1) {	/* Look at the next "lower" cell. */
+			if (h < height && (in = s[0] & shifted_mask) != 0) {
+			    uint lower;
+
+			    for (index = 0, lower = 0;
+				 -(index -= sraster) <= sskip &&
+				 (in &= s[index]) != 0;
+				)
+				lower += half_byte_1s[in >> in_shift];
+			    if_debug1('B', "[B]  lower adds %d\n",
+				      lower);
+			    if (lower <= orig_count)
+				count += lower;
+			}
+			/* Look at the next "higher" cell. */
+			if (h > yscale && (in = s[sskip - sraster] & shifted_mask) != 0) {
+			    uint upper;
+
+			    for (index = sskip, upper = 0;
+				 index < sskip << 1 &&
+				 (in &= s[index]) != 0;
+				 index += sraster
+				)
+				upper += half_byte_1s[in >> in_shift];
+			    if_debug1('B', "[B]  upper adds %d\n",
+				      upper);
+			    if (upper < orig_count)
+				count += upper;
+			}
+		    }
+		    if (xscale > 1) {
+			uint mask1 = (mask << 1) + 1;
+
+			/* Look at the next cell to the left. */
+			if (w < width) {
+			    int lshift = in_shift + xscale - 1;
+			    uint left;
+
+			    for (index = 0, left = 0;
+				 index < sskip; index += sraster
+				) {
+				uint bits =
+				((s[index - 1] << 8) +
+				 s[index]) >> lshift;
+
+				left += bits5_trailing_1s[bits & mask1];
+			    }
+			    if_debug1('B', "[B]  left adds %d\n",
+				      left);
+			    if (left < orig_count)
+				count += left;
+			}
+			/* Look at the next cell to the right. */
+			if (w > xscale) {
+			    int rshift = in_shift - xscale + 8;
+			    uint right;
+
+			    for (index = 0, right = 0;
+				 index < sskip; index += sraster
+				) {
+				uint bits =
+				((s[index] << 8) +
+				 s[index + 1]) >> rshift;
+
+				right += bits5_leading_1s[(bits & mask1) << (4 - xscale)];
+			    }
+			    if_debug1('B', "[B]  right adds %d\n",
+				      right);
+			    if (right <= orig_count)
+				count += right;
+			}
+		    }
+		    if (count > count_max)
+			count = count_max;
+		}
+		out += table[count] << out_shift;
+		if (out_shift_update(out_shift, out_bits))
+		    *d++ = out, out_shift &= 7, out = 0;
+	    }
+	    while ((in_shift -= xscale) >= in_shift_final);
+	    s++, in_shift += 8;
+	}
+	if (out_shift != out_shift_initial)
+	    *d++ = out;
+	for (w = dskip; w != 0; w--)
+	    *d++ = 0;
+#undef out_shift_initial
+#undef out_shift_update
+    }
+}
+
+/* ---------------- Byte-oriented operations ---------------- */
+
+/* Fill a rectangle of bytes. */
+void
+bytes_fill_rectangle(byte * dest, uint raster,
+		     byte value, int width_bytes, int height)
+{
+    while (height-- > 0) {
+	memset(dest, value, width_bytes);
+	dest += raster;
+    }
+}
+
+/* Copy a rectangle of bytes. */
+void
+bytes_copy_rectangle(byte * dest, uint dest_raster,
+	     const byte * src, uint src_raster, int width_bytes, int height)
+{
+    while (height-- > 0) {
+	memcpy(dest, src, width_bytes);
+	src += src_raster;
+	dest += dest_raster;
+    }
+}
diff --git a/pstoraster/gsbitops.h b/pstoraster/gsbitops.h
new file mode 100644
index 000000000..efaeef228
--- /dev/null
+++ b/pstoraster/gsbitops.h
@@ -0,0 +1,222 @@
+/* Copyright (C) 1991, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface for bitmap operations */
+
+#ifndef gsbitops_INCLUDED
+#  define gsbitops_INCLUDED
+
+/* ---------------- Pixel processing macros ---------------- */
+
+/*
+ * These macros support code that processes data pixel-by-pixel (or, to be
+ * more accurate, packed arrays of values -- they may be complete pixels
+ * or individual components of pixels).
+ *
+ * Supported #s of bits per value (bpv) are 1, 2, 4, 8, 12[, 16[, 24, 32]].
+ * The suffix 12, 16, or 32 on a macro name indicates the maximum value
+ * of bpv that the macro is prepared to handle.
+ *
+ * The setup macros number bits within a byte in big-endian order, i.e.,
+ * 0x80 is bit 0, 0x01 is bit 7.  However, sbit/dbit may use a different
+ * representation for better performance.  ****** NYI ******
+ */
+
+#define sample_end_\
+  default: return_error(gs_error_rangecheck);\
+  } END
+
+/* Declare variables for loading. */
+#define sample_load_declare(sptr, sbit)\
+  const byte *sptr;\
+  int sbit
+#define sample_load_declare_setup(sptr, sbit, ptr, bitno, sbpv)\
+  const byte *sptr = (ptr);\
+  int sample_load_setup(sbit, bitno, sbpv)
+
+/* Set up to load starting at a given bit number. */
+#define sample_load_setup(sbit, bitno, sbpv)\
+  sbit = (bitno)
+
+/* Load a value from memory, without incrementing. */
+#define sample_load12_(value, sptr, sbit, sbpv)\
+  BEGIN\
+  switch ( (sbpv) >> 2 ) {\
+  case 0: value = (*(sptr) >> (8 - (sbit) - (sbpv))) & ((sbpv) - 1); break;\
+  case 1: value = (*(sptr) >> (4 - (sbit))) & 0xf; break;\
+  case 2: value = *(sptr); break;\
+  case 3:\
+    value = ((sbit) ? ((*(sptr) & 0xf) << 8) | (sptr)[1] :\
+	      (*(sptr) << 4) | ((sptr)[1] >> 4));\
+    break;
+#define sample_load12(value, sptr, sbit, sbpv)\
+  sample_load12_(value, sptr, sbit, sbpv)\
+  sample_end_
+#define sample_load_next12(value, sptr, sbit, sbpv)\
+  sample_load12(value, sptr, sbit, sbpv);\
+  sample_next(sptr, sbit, sbpv)
+#define sample_load16_(value, sptr, sbit, sbpv)\
+  sample_load12_(value, sptr, sbit, sbpv)\
+  case 4: value = (*(sptr) << 8) | (sptr)[1]; break;
+#define sample_load16(value, sptr, sbit, sbpv)\
+  sample_load16_(value, sptr, sbit, sbpv)\
+  sample_end_
+#define sample_load_next16(value, sptr, sbit, sbpv)\
+  sample_load16(value, sptr, sbit, sbpv);\
+  sample_next(sptr, sbit, sbpv)
+#define sample_load32(value, sptr, sbit, sbpv)\
+  sample_load16_(value, sptr, sbit, sbpv)\
+  case 6: value = (*(sptr) << 16) | ((sptr)[1] << 8) | (sptr)[2]; break;\
+  case 8:\
+    value = (*(sptr) << 24) | ((sptr)[1] << 16) | ((sptr)[2] << 8) | sptr[3];\
+    break;\
+  sample_end_
+#define sample_load_next32(value, sptr, sbit, sbpv)\
+  sample_load32(value, sptr, sbit, sbpv);\
+  sample_next(sptr, sbit, sbpv)
+
+/* Declare variables for storing. */
+#define sample_store_declare(dptr, dbit, dbbyte)\
+  byte *dptr;\
+  int dbit;\
+  byte dbbyte			/* maybe should be uint? */
+#define sample_store_declare_setup(dptr, dbit, dbbyte, ptr, bitno, dbpv)\
+  byte *dptr = (ptr);\
+  int sample_store_setup(dbit, bitno, dbpv);\
+  byte /* maybe should be uint? */\
+    sample_store_preload(dbbyte, dptr, dbit, dbpv)
+
+/* Set up to store starting at a given bit number. */
+#define sample_store_setup(dbit, bitno, dbpv)\
+  dbit = (bitno)
+
+/* Prepare for storing by preloading any partial byte. */
+#define sample_store_preload(dbbyte, dptr, dbit, dbpv)\
+  dbbyte = ((dbit) ? (byte)(*(dptr) & (0xff00 >> (dbit))) : 0)
+
+/* Store a value and increment the pointer. */
+#define sample_store_next12_(value, dptr, dbit, dbpv, dbbyte)\
+  BEGIN\
+  switch ( (dbpv) >> 2 ) {\
+  case 0:\
+    if ( (dbit += (dbpv)) == 8 )\
+       *(dptr)++ = dbbyte | (value), dbbyte = 0, dbit = 0;\
+    else dbbyte |= (value) << (8 - dbit);\
+    break;\
+  case 1:\
+    if ( dbit ^= 4 ) dbbyte = (byte)((value) << 4);\
+    else *(dptr)++ = dbbyte | (value);\
+    break;\
+  /* case 2 is deliberately omitted */\
+  case 3:\
+    if ( dbit ^= 4 ) *(dptr)++ = (value) >> 4, dbbyte = (byte)((value) << 4);\
+    else\
+      *(dptr) = dbbyte | ((value) >> 8), (dptr)[1] = (byte)(value), dptr += 2;\
+    break;
+#define sample_store_next12(value, dptr, dbit, dbpv, dbbyte)\
+  sample_store_next12_(value, dptr, dbit, dbpv, dbbyte)\
+  case 2: *(dptr)++ = (byte)(value); break;\
+  sample_end_
+#define sample_store_next16(value, dptr, dbit, dbpv, dbbyte)\
+  sample_store_next12_(value, dptr, dbit, dbpv, dbbyte)\
+  case 4: *(dptr)++ = (byte)((value) >> 8);\
+  case 2: *(dptr)++ = (byte)(value); break;\
+  sample_end_
+#define sample_store_next32(value, dptr, dbit, dbpv, dbbyte)\
+  sample_store_next12_(value, dptr, dbit, dbpv, dbbyte)\
+  case 8: *(dptr)++ = (byte)((value) >> 24);\
+  case 6: *(dptr)++ = (byte)((value) >> 16);\
+  case 4: *(dptr)++ = (byte)((value) >> 8);\
+  case 2: *(dptr)++ = (byte)(value); break;\
+  sample_end_
+
+/* Skip over storing one sample.  This may or may not store into the */
+/* skipped region. */
+#define sample_store_skip_next(dptr, dbit, dbpv, dbbyte)\
+  if ( (dbpv) < 8 ) {\
+    sample_store_flush(dptr, dbit, dbpv, dbbyte);\
+    sample_next(dptr, dbit, dbpv);\
+  } else dptr += ((dbpv) >> 3)
+
+/* Finish storing by flushing any partial byte. */
+#define sample_store_flush(dptr, dbit, dbpv, dbbyte)\
+  if ( (dbit) != 0 )\
+    *(dptr) = dbbyte | (*(dptr) & (0xff >> (dbit)));
+
+/* Increment a pointer to the next sample. */
+#define sample_next(ptr, bit, bpv)\
+  BEGIN bit += (bpv); ptr += bit >> 3; bit &= 7; END
+
+/* ---------------- Definitions ---------------- */
+
+/*
+ * Define the chunk size for monobit filling operations.
+ * This is always uint, regardless of byte order.
+ */
+#define mono_fill_chunk uint
+#define mono_fill_chunk_bytes arch_sizeof_int
+
+/* ---------------- Procedures ---------------- */
+
+/* Fill a rectangle of bits with an 8x1 pattern. */
+/* The pattern argument must consist of the pattern in every byte, */
+/* e.g., if the desired pattern is 0xaa, the pattern argument must */
+/* have the value 0xaaaa (if ints are short) or 0xaaaaaaaa. */
+#if mono_fill_chunk_bytes == 2
+#  define mono_fill_make_pattern(byt) (uint)((uint)(byt) * 0x0101)
+#else
+#  define mono_fill_make_pattern(byt) (uint)((uint)(byt) * 0x01010101)
+#endif
+void bits_fill_rectangle(P6(byte * dest, int dest_bit, uint raster,
+		      mono_fill_chunk pattern, int width_bits, int height));
+
+/* Replicate a bitmap horizontally in place. */
+void bits_replicate_horizontally(P6(byte * data, uint width, uint height,
+	       uint raster, uint replicated_width, uint replicated_raster));
+
+/* Replicate a bitmap vertically in place. */
+void bits_replicate_vertically(P4(byte * data, uint height, uint raster,
+				  uint replicated_height));
+
+/* Find the bounding box of a bitmap. */
+void bits_bounding_box(P4(const byte * data, uint height, uint raster,
+			  gs_int_rect * pbox));
+
+/* Compress an oversampled image, possibly in place. */
+/* The width and height must be multiples of the respective scale factors. */
+/* The source must be an aligned bitmap, as usual. */
+void bits_compress_scaled(P9(const byte * src, int srcx, uint width,
+		       uint height, uint sraster, byte * dest, uint draster,
+	       const gs_log2_scale_point * plog2_scale, int log2_out_bits));
+
+/* Fill a rectangle of bytes. */
+void bytes_fill_rectangle(P5(byte * dest, uint raster,
+			     byte value, int width_bytes, int height));
+
+/* Copy a rectangle of bytes. */
+void bytes_copy_rectangle(P6(byte * dest, uint dest_raster,
+	   const byte * src, uint src_raster, int width_bytes, int height));
+
+#endif /* gsbitops_INCLUDED */
diff --git a/pstoraster/gsbittab.c b/pstoraster/gsbittab.c
new file mode 100644
index 000000000..ac2c5abdb
--- /dev/null
+++ b/pstoraster/gsbittab.c
@@ -0,0 +1,144 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Tables for bit operations */
+#include "stdpre.h"
+#include "gsbittab.h"
+
+/* ---------------- Byte processing tables ---------------- */
+
+/*
+ * byte_reverse_bits[B] = the byte B with the order of bits reversed.
+ */
+const byte byte_reverse_bits[256] =
+{
+    bit_table_8(0, 1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80)
+};
+
+/*
+ * byte_right_mask[N] = a byte with N trailing 1s, 0 <= N <= 8.
+ */
+const byte byte_right_mask[9] =
+{
+    0, 1, 3, 7, 0xf, 0x1f, 0x3f, 0x7f, 0xff
+};
+
+/*
+ * byte_count_bits[B] = the number of 1-bits in a byte with value B.
+ */
+const byte byte_count_bits[256] =
+{
+    bit_table_8(0, 1, 1, 1, 1, 1, 1, 1, 1)
+};
+
+/* ---------------- Scanning tables ---------------- */
+
+/*
+ * byte_bit_run_length_N[B], for 0 <= N <= 7, gives the length of the
+ * run of 1-bits starting at bit N in a byte with value B,
+ * numbering the bits in the byte as 01234567.  If the run includes
+ * the low-order bit (i.e., might be continued into a following byte),
+ * the run length is increased by 8.
+ */
+
+#define t8(n) n,n,n,n,n+1,n+1,n+2,n+11
+#define r8(n) n,n,n,n,n,n,n,n
+#define r16(n) r8(n),r8(n)
+#define r32(n) r16(n),r16(n)
+#define r64(n) r32(n),r32(n)
+#define r128(n) r64(n),r64(n)
+const byte byte_bit_run_length_0[256] =
+{
+    r128(0), r64(1), r32(2), r16(3), r8(4), t8(5)
+};
+const byte byte_bit_run_length_1[256] =
+{
+    r64(0), r32(1), r16(2), r8(3), t8(4),
+    r64(0), r32(1), r16(2), r8(3), t8(4)
+};
+const byte byte_bit_run_length_2[256] =
+{
+    r32(0), r16(1), r8(2), t8(3),
+    r32(0), r16(1), r8(2), t8(3),
+    r32(0), r16(1), r8(2), t8(3),
+    r32(0), r16(1), r8(2), t8(3)
+};
+const byte byte_bit_run_length_3[256] =
+{
+    r16(0), r8(1), t8(2), r16(0), r8(1), t8(2),
+    r16(0), r8(1), t8(2), r16(0), r8(1), t8(2),
+    r16(0), r8(1), t8(2), r16(0), r8(1), t8(2),
+    r16(0), r8(1), t8(2), r16(0), r8(1), t8(2)
+};
+const byte byte_bit_run_length_4[256] =
+{
+    r8(0), t8(1), r8(0), t8(1), r8(0), t8(1), r8(0), t8(1),
+    r8(0), t8(1), r8(0), t8(1), r8(0), t8(1), r8(0), t8(1),
+    r8(0), t8(1), r8(0), t8(1), r8(0), t8(1), r8(0), t8(1),
+    r8(0), t8(1), r8(0), t8(1), r8(0), t8(1), r8(0), t8(1),
+};
+
+#define rr8(a,b,c,d,e,f,g,h)\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h,\
+  a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h, a,b,c,d,e,f,g,h
+const byte byte_bit_run_length_5[256] =
+{
+    rr8(0, 0, 0, 0, 1, 1, 2, 11)
+};
+const byte byte_bit_run_length_6[256] =
+{
+    rr8(0, 0, 1, 10, 0, 0, 1, 10)
+};
+const byte byte_bit_run_length_7[256] =
+{
+    rr8(0, 9, 0, 9, 0, 9, 0, 9)
+};
+
+/* Pointer tables indexed by bit number. */
+
+const byte *const byte_bit_run_length[8] =
+{byte_bit_run_length_0, byte_bit_run_length_1,
+ byte_bit_run_length_2, byte_bit_run_length_3,
+ byte_bit_run_length_4, byte_bit_run_length_5,
+ byte_bit_run_length_6, byte_bit_run_length_7
+};
+const byte *const byte_bit_run_length_neg[8] =
+{byte_bit_run_length_0, byte_bit_run_length_7,
+ byte_bit_run_length_6, byte_bit_run_length_5,
+ byte_bit_run_length_4, byte_bit_run_length_3,
+ byte_bit_run_length_2, byte_bit_run_length_1
+};
+
+/* Some C compilers insist on having executable code in every file.... */
+void
+gsbittab_dummy(void)
+{
+}
diff --git a/pstoraster/gsbittab.h b/pstoraster/gsbittab.h
new file mode 100644
index 000000000..f41e2ed9a
--- /dev/null
+++ b/pstoraster/gsbittab.h
@@ -0,0 +1,83 @@
+/* Copyright (C) 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to tables for bit operations */
+
+#ifndef gsbittab_INCLUDED
+#  define gsbittab_INCLUDED
+
+/*
+ * Generate tables for transforming 2, 4, 6, or 8 bits.
+ */
+#define btab2_(v0,v2,v1)\
+  v0,v1+v0,v2+v0,v2+v1+v0
+#define bit_table_2(v0,v2,v1) btab2_(v0,v2,v1)
+#define btab4_(v0,v8,v4,v2,v1)\
+  btab2_(v0,v2,v1), btab2_(v4+v0,v2,v1),\
+  btab2_(v8+v0,v2,v1), btab2_(v8+v4+v0,v2,v1)
+#define bit_table_4(v0,v8,v4,v2,v1) btab4_(v0,v8,v4,v2,v1)
+#define btab6_(v0,v20,v10,v8,v4,v2,v1)\
+  btab4_(v0,v8,v4,v2,v1), btab4_(v10+v0,v8,v4,v2,v1),\
+  btab4_(v20+v0,v8,v4,v2,v1), btab4_(v20+v10+v0,v8,v4,v2,v1)
+#define bit_table_6(v0,v20,v10,v8,v4,v2,v1) btab6_(v0,v20,v10,v8,v4,v2,v1)
+#define bit_table_8(v0,v80,v40,v20,v10,v8,v4,v2,v1)\
+  btab6_(v0,v20,v10,v8,v4,v2,v1), btab6_(v40+v0,v20,v10,v8,v4,v2,v1),\
+  btab6_(v80+v0,v20,v10,v8,v4,v2,v1), btab6_(v80+v40+v0,v20,v10,v8,v4,v2,v1)
+
+/*
+ * byte_reverse_bits[B] = the byte B with the order of bits reversed.
+ */
+extern const byte byte_reverse_bits[256];
+
+/*
+ * byte_right_mask[N] = a byte with N trailing 1s, 0 <= N <= 8.
+ */
+extern const byte byte_right_mask[9];
+
+/*
+ * byte_count_bits[B] = the number of 1-bits in a byte with value B.
+ */
+extern const byte byte_count_bits[256];
+
+/*
+ * byte_bit_run_length_N[B], for 0 <= N <= 7, gives the length of the
+ * run of 1-bits starting at bit N in a byte with value B,
+ * numbering the bits in the byte as 01234567.  If the run includes
+ * the low-order bit (i.e., might be continued into a following byte),
+ * the run length is increased by 8.
+ */
+extern const byte
+      byte_bit_run_length_0[256], byte_bit_run_length_1[256], byte_bit_run_length_2[256],
+      byte_bit_run_length_3[256], byte_bit_run_length_4[256], byte_bit_run_length_5[256],
+      byte_bit_run_length_6[256], byte_bit_run_length_7[256];
+
+/*
+ * byte_bit_run_length[N] points to byte_bit_run_length_N.
+ * byte_bit_run_length_neg[N] = byte_bit_run_length[-N & 7].
+ */
+extern const byte *const byte_bit_run_length[8];
+extern const byte *const byte_bit_run_length_neg[8];
+
+#endif /* gsbittab_INCLUDED */
diff --git a/pstoraster/gsccode.h b/pstoraster/gsccode.h
new file mode 100644
index 000000000..4945f5456
--- /dev/null
+++ b/pstoraster/gsccode.h
@@ -0,0 +1,72 @@
+/* Copyright (C) 1993, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Types for character codes */
+
+#ifndef gsccode_INCLUDED
+#  define gsccode_INCLUDED
+
+/*
+ * Define a character code.  Normally this is just a single byte from a
+ * string, but because of composite fonts, character codes must be
+ * at least 32 bits.
+ */
+typedef ulong gs_char;
+
+#define gs_no_char ((gs_char)~0L)
+
+/*
+ * Define a character glyph code, a.k.a. character name.
+ * gs_glyphs from 0 to 2^31-1 are (PostScript) names; gs_glyphs 2^31 and
+ * above are CIDs, biased by 2^31.
+ */
+typedef ulong gs_glyph;
+
+#define gs_no_glyph ((gs_glyph)0x7fffffff)
+#define gs_min_cid_glyph ((gs_glyph)0x80000000)
+#define gs_max_glyph max_ulong
+
+/* Define a procedure for marking a gs_glyph during garbage collection. */
+typedef bool(*gs_glyph_mark_proc_t) (P2(gs_glyph glyph, void *proc_data));
+
+/* Define a procedure for mapping a gs_glyph to its (string) name. */
+#define gs_proc_glyph_name(proc)\
+  const char *proc(P2(gs_glyph, uint *))
+/* The following typedef is needed because ansi2knr can't handle */
+/* gs_proc_glyph_name((*procname)) in a formal argument list. */
+typedef gs_proc_glyph_name((*gs_proc_glyph_name_t));
+
+/* Define a procedure for accessing the known encodings. */
+#define gs_proc_known_encode(proc)\
+  gs_glyph proc(P2(gs_char, int))
+typedef gs_proc_known_encode((*gs_proc_known_encode_t));
+
+/* Define the callback procedure vector for character to xglyph mapping. */
+typedef struct gx_xfont_callbacks_s {
+    gs_proc_glyph_name((*glyph_name));
+    gs_proc_known_encode((*known_encode));
+} gx_xfont_callbacks;
+
+#endif /* gsccode_INCLUDED */
diff --git a/pstoraster/gsccolor.h b/pstoraster/gsccolor.h
new file mode 100644
index 000000000..efe1345aa
--- /dev/null
+++ b/pstoraster/gsccolor.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 1993, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client color structure definition */
+
+#ifndef gsccolor_INCLUDED
+#  define gsccolor_INCLUDED
+
+#include "gsstruct.h"		/* for extern_st */
+
+/* Pattern instance, usable in color. */
+typedef struct gs_pattern_instance_s gs_pattern_instance;
+
+/* Paint (non-pattern) colors (Device, CIE, Indexed, Separation) */
+typedef struct gs_paint_color_s {
+    float values[4];
+} gs_paint_color;
+
+/* General colors */
+#ifndef gs_client_color_DEFINED
+#  define gs_client_color_DEFINED
+typedef struct gs_client_color_s gs_client_color;
+
+#endif
+struct gs_client_color_s {
+    gs_paint_color paint;	/* also color for uncolored pattern */
+    gs_pattern_instance *pattern;
+};
+
+extern_st(st_client_color);
+#define public_st_client_color() /* in gscolor.c */\
+  gs_public_st_ptrs1(st_client_color, gs_client_color, "gs_client_color",\
+    client_color_enum_ptrs, client_color_reloc_ptrs, pattern)
+#define st_client_color_max_ptrs 1
+
+#endif /* gsccolor_INCLUDED */
diff --git a/pstoraster/gscdefs.c b/pstoraster/gscdefs.c
new file mode 100644
index 000000000..846e89ae6
--- /dev/null
+++ b/pstoraster/gscdefs.c
@@ -0,0 +1,78 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Configuration scalars */
+#include "stdpre.h"
+#include "gscdefs.h"		/* interface */
+#include "gconf.h"		/* for #defines */
+#include <config.h>
+
+/* ---------------- Miscellaneous system parameters ---------------- */
+
+/* All of these can be set in the makefile. */
+/* Normally they are all const; see gscdefs.h for more information. */
+
+#ifndef GS_BUILDTIME
+#  define GS_BUILDTIME\
+	0			/* should be set in the makefile */
+#endif
+CONFIG_CONST long gs_buildtime = GS_BUILDTIME;
+
+#ifndef GS_COPYRIGHT
+#  define GS_COPYRIGHT\
+ 	"Copyright 1993-2002 Easy Software Products, All Rights Reserved.\n"\
+ 	"Copyright 1998 Aladdin Enterprises, Menlo Park, CA.  All rights reserved."
+#endif
+const char *CONFIG_CONST gs_copyright = GS_COPYRIGHT;
+
+#ifndef GS_PRODUCT
+#  define GS_PRODUCT CUPS_SVERSION
+#endif
+const char *CONFIG_CONST gs_product = GS_PRODUCT;
+
+const char *
+gs_program_name(void)
+{
+    return gs_product;
+}
+
+CONFIG_CONST long gs_revision = 550;
+CONFIG_CONST long gs_revisiondate = 20000308;
+
+#ifndef GS_SERIALNUMBER
+#  define GS_SERIALNUMBER\
+	40100
+#endif
+CONFIG_CONST long gs_serialnumber = GS_SERIALNUMBER;
+
+/* ---------------- Installation directories and files ---------------- */
+
+/* Here is where the library search path, the name of the */
+/* initialization file, and the doc directory are defined. */
+
+/* Define the interpreter initialization file. */
+const char *const gs_init_file = "gs_init.ps";
diff --git a/pstoraster/gscdefs.h b/pstoraster/gscdefs.h
new file mode 100644
index 000000000..463782c64
--- /dev/null
+++ b/pstoraster/gscdefs.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Prototypes for configuration definitions in gconfig.c. */
+
+#ifndef gscdefs_INCLUDED
+#  define gscdefs_INCLUDED
+
+#include "gconfigv.h"
+
+/*
+ * This file may be #included in places that don't even have stdpre.h,
+ * so it mustn't use any Ghostscript definitions in any code that is
+ * actually processed here (as opposed to being part of a macro
+ * definition).
+ */
+
+/* Miscellaneous system constants (read-only systemparams). */
+/* They should all be const, but one application needs some of them */
+/* to be writable.... */
+
+#if SYSTEM_CONSTANTS_ARE_WRITABLE
+#  define CONFIG_CONST		/* */
+#else
+#  define CONFIG_CONST const
+#endif
+
+extern CONFIG_CONST long gs_buildtime;
+extern const char *CONFIG_CONST gs_copyright;
+extern const char *CONFIG_CONST gs_product;
+extern CONFIG_CONST long gs_revision;
+extern CONFIG_CONST long gs_revisiondate;
+extern CONFIG_CONST long gs_serialnumber;
+
+/* Installation directories and files */
+extern const char *const gs_doc_directory;
+extern const char *const gs_lib_default_path;
+extern const char *const gs_init_file;
+
+/* Resource tables.  In order to avoid importing a large number of types, */
+/* we only provide macros for the externs, not the externs themselves. */
+
+/* We need the extra typedef so that the const will apply to the table. */
+#define extern_gx_init_table()\
+  typedef void (*gx_init_proc)(P1(gs_memory_t *));\
+  extern const gx_init_proc gx_init_table[]
+
+/* We need the extra typedef so that the const will apply to the table. */
+#define extern_gx_io_device_table()\
+  extern const gx_io_device * const gx_io_device_table[]
+extern const unsigned gx_io_device_table_count;
+
+/* Return the list of device prototypes, the list of their structure */
+/* descriptors, and (as the value) the length of the lists. */
+#define extern_gs_lib_device_list()\
+  int gs_lib_device_list(P2(const gx_device * const **plist,\
+			    gs_memory_struct_type_t **pst))
+
+#endif /* gscdefs_INCLUDED */
diff --git a/pstoraster/gscdevn.c b/pstoraster/gscdevn.c
new file mode 100644
index 000000000..af0b4847e
--- /dev/null
+++ b/pstoraster/gscdevn.c
@@ -0,0 +1,184 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DeviceN color space and operation definition */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrefct.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gxcspace.h"
+
+gs_private_st_composite(st_color_space_DeviceN, gs_paint_color_space,
+     "gs_color_space_DeviceN", cs_DeviceN_enum_ptrs, cs_DeviceN_reloc_ptrs);
+
+/* Define the DeviceN color space type. */
+private cs_proc_num_components(gx_num_components_DeviceN);
+private cs_proc_base_space(gx_alt_space_DeviceN);
+private cs_proc_init_color(gx_init_DeviceN);
+private cs_proc_restrict_color(gx_restrict_DeviceN);
+private cs_proc_concrete_space(gx_concrete_space_DeviceN);
+private cs_proc_concretize_color(gx_concretize_DeviceN);
+private cs_proc_remap_concrete_color(gx_remap_concrete_DeviceN);
+private cs_proc_install_cspace(gx_install_DeviceN);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_DeviceN);
+const gs_color_space_type gs_color_space_type_DeviceN = {
+    gs_color_space_index_DeviceN, true, false,
+    &st_color_space_DeviceN, gx_num_components_DeviceN,
+    gx_alt_space_DeviceN,
+    gx_init_DeviceN, gx_restrict_DeviceN,
+    gx_concrete_space_DeviceN,
+    gx_concretize_DeviceN, gx_remap_concrete_DeviceN,
+    gx_default_remap_color, gx_install_DeviceN,
+    gx_adjust_cspace_DeviceN, gx_no_adjust_color_count
+};
+
+/* ------ Internal routines ------ */
+
+/* Return the number of components of a DeviceN space. */
+private int
+gx_num_components_DeviceN(const gs_color_space * pcs)
+{
+    return pcs->params.device_n.num_components;
+}
+
+/* Return the alternate space of a DeviceN space. */
+private const gs_color_space *
+gx_alt_space_DeviceN(const gs_color_space * pcs)
+{
+    return (const gs_color_space *)&(pcs->params.device_n.alt_space);
+}
+
+/* Initialize a DeviceN color. */
+/****** DOESN'T WORK IF num_components > 4 ******/
+private void
+gx_init_DeviceN(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    int i;
+
+    for (i = 0; i < pcs->params.device_n.num_components; ++i)
+	pcc->paint.values[i] = 1.0;
+}
+
+/* Force a DeviceN color into legal range. */
+private void
+gx_restrict_DeviceN(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    int i;
+
+    for (i = 0; i < pcs->params.device_n.num_components; ++i) {
+	floatp value = pcc->paint.values[i];
+
+	pcc->paint.values[i] = (value <= 0 ? 0 : value >= 1 ? 1 : value);
+    }
+}
+
+/* Remap a DeviceN color. */
+private const gs_color_space *
+gx_concrete_space_DeviceN(const gs_color_space * pcs,
+			  const gs_imager_state * pis)
+{				/* We don't support concrete DeviceN spaces yet. */
+    const gs_color_space *pacs =
+    (const gs_color_space *)&pcs->params.device_n.alt_space;
+
+    return cs_concrete_space(pacs, pis);
+}
+
+private int
+gx_concretize_DeviceN(const gs_client_color * pc, const gs_color_space * pcs,
+		      frac * pconc, const gs_imager_state * pis)
+{
+    int code;
+    gs_client_color cc;
+    const gs_color_space *pacs =
+    (const gs_color_space *)&pcs->params.device_n.alt_space;
+
+    /* We always map into the alternate color space. */
+    code = (*pcs->params.device_n.tint_transform)
+	(&pcs->params.device_n, pc->paint.values, &cc.paint.values[0],
+	 pcs->params.device_n.tint_transform_data);
+    if (code < 0)
+	return code;
+    return (*pacs->type->concretize_color) (&cc, pacs, pconc, pis);
+}
+
+private int
+gx_remap_concrete_DeviceN(const frac * pconc,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			  gs_color_select_t select)
+{				/* We don't support concrete DeviceN colors yet. */
+    return_error(gs_error_rangecheck);
+}
+
+/* Install a DeviceN color space. */
+private int
+gx_install_DeviceN(gs_color_space * pcs, gs_state * pgs)
+{				/*
+				 * Give an error if any of the separation names are duplicated.
+				 * We can't check this any earlier.
+				 */
+    const gs_separation_name *names = pcs->params.device_n.names;
+    uint i, j;
+
+    for (i = 1; i < pcs->params.device_n.num_components; ++i)
+	for (j = 0; j < i; ++j)
+	    if (names[i] == names[j])
+		return_error(gs_error_rangecheck);
+    return (*pcs->params.device_n.alt_space.type->install_cspace)
+	((gs_color_space *) & pcs->params.device_n.alt_space, pgs);
+}
+
+/* Adjust the reference count of a DeviceN color space. */
+private void
+gx_adjust_cspace_DeviceN(const gs_color_space * pcs, int delta)
+{
+    (*pcs->params.device_n.alt_space.type->adjust_cspace_count)
+	((const gs_color_space *)&pcs->params.device_n.alt_space, delta);
+}
+
+/* GC procedures */
+
+#define pcs ((gs_color_space *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(cs_DeviceN_enum_ptrs)
+{
+    return ENUM_USING(*pcs->params.device_n.alt_space.type->stype,
+		      &pcs->params.device_n.alt_space,
+		      sizeof(pcs->params.device_n.alt_space), index - 2);
+}
+ENUM_PTR(0, gs_color_space, params.device_n.names);
+ENUM_PTR(1, gs_color_space, params.device_n.tint_transform_data);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(cs_DeviceN_reloc_ptrs)
+{
+    RELOC_PTR(gs_color_space, params.device_n.names);
+    RELOC_PTR(gs_color_space, params.device_n.tint_transform_data);
+    RELOC_USING(*pcs->params.device_n.alt_space.type->stype,
+		&pcs->params.device_n.alt_space,
+		sizeof(gs_base_color_space));
+}
+RELOC_PTRS_END
+
+#undef pcs
diff --git a/pstoraster/gschar.c b/pstoraster/gschar.c
new file mode 100644
index 000000000..b97b6c211
--- /dev/null
+++ b/pstoraster/gschar.c
@@ -0,0 +1,1492 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Character writing operators for Ghostscript library */
+#include "gx.h"
+#include "memory_.h"
+#include "string_.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"		/* ditto */
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gzstate.h"
+#include "gxcoord.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxchar.h"
+#include "gxfont.h"
+#include "gxfont0.h"
+#include "gxfcache.h"
+#include "gspath.h"
+#include "gzpath.h"
+
+/* Define whether or not to cache characters rotated by angles other than */
+/* multiples of 90 degrees. */
+private bool CACHE_ROTATED_CHARS = true;
+
+/* Define whether or not to oversample characters at small sizes. */
+private bool OVERSAMPLE = true;
+
+/* Define the maximum size of a full temporary bitmap when rasterizing, */
+/* in bits (not bytes). */
+private uint MAX_TEMP_BITMAP_BITS = 80000;
+
+/* Structure descriptors */
+private_st_gs_show_enum();
+extern_st(st_gs_text_params);
+#define eptr ((gs_show_enum *)vptr)
+private 
+ENUM_PTRS_BEGIN(show_enum_enum_ptrs)
+{
+    index -= 5;
+    if (index <= eptr->fstack.depth)
+	ENUM_RETURN(eptr->fstack.items[index].font);
+    index -= eptr->fstack.depth + 1;
+    return ENUM_USING(st_gs_text_params, vptr, size, index);
+}
+ENUM_PTR(0, gs_show_enum, pgs);
+ENUM_PTR(1, gs_show_enum, show_gstate);
+ENUM_PTR3(2, gs_show_enum, dev_cache, dev_cache2, dev_null);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(show_enum_reloc_ptrs)
+{
+    int i;
+
+    RELOC_USING(st_gs_text_params, vptr, size);		/* superclass */
+    RELOC_PTR(gs_show_enum, pgs);
+    RELOC_PTR(gs_show_enum, show_gstate);
+    RELOC_PTR3(gs_show_enum, dev_cache, dev_cache2, dev_null);
+    for (i = 0; i <= eptr->fstack.depth; i++)
+	RELOC_PTR(gs_show_enum, fstack.items[i].font);
+}
+RELOC_PTRS_END
+#undef eptr
+
+/* Forward declarations */
+private int continue_kshow(P1(gs_show_enum *));
+private int continue_show(P1(gs_show_enum *));
+private int continue_show_update(P1(gs_show_enum *));
+private int show_setup(P6(gs_show_enum *, gs_state *, const char *, uint,
+			  uint, bool));
+private void show_set_scale(P1(gs_show_enum *));
+private int show_cache_setup(P1(gs_show_enum *));
+private int show_state_setup(P1(gs_show_enum *));
+private int show_origin_setup(P4(gs_state *, fixed, fixed, gs_char_path_mode));
+private int stringwidth_setup(P4(gs_show_enum *, gs_state *, const char *,
+				 uint));
+
+/* Print the ctm if debugging */
+#define print_ctm(s,pgs)\
+  dlprintf7("[p]%sctm=[%g %g %g %g %g %g]\n", s,\
+	    pgs->ctm.xx, pgs->ctm.xy, pgs->ctm.yx, pgs->ctm.yy,\
+	    pgs->ctm.tx, pgs->ctm.ty)
+
+/* ------ Driver procedure ------ */
+
+/*
+ * When actually implemented, this will be moved further down in the file
+ * and will replace other code that is there now....
+ */
+
+int
+gx_default_text_begin(gx_device * dev, gs_imager_state * pis,
+		      const gs_text_params_t * text, const gs_font * font,
+gx_path * path, const gx_device_color * pdcolor, const gx_clip_path * pcpath,
+		      gs_memory_t * memory, gs_text_enum_t ** ppenum)
+{
+    return_error(gs_error_undefined);
+}
+
+/* ------ Font procedures ------ */
+
+/* Dummy (ineffective) BuildChar/BuildGlyph procedure */
+int
+gs_no_build_char(gs_show_enum * penum, gs_state * pgs,
+		 gs_font * pfont, gs_char chr, gs_glyph glyph)
+{
+    return 1;			/* failure, but not error */
+}
+
+/* Dummy character encoding procedure */
+gs_glyph
+gs_no_encode_char(gs_show_enum * penum,
+		  gs_font * pfont, gs_char * pchr)
+{
+    return gs_no_glyph;
+}
+
+/* ------ String writing operators ------ */
+
+/* Allocate a show enumerator. */
+gs_show_enum *
+gs_show_enum_alloc(gs_memory_t * mem, gs_state * pgs, client_name_t cname)
+{
+    gs_show_enum *penum;
+
+    rc_alloc_struct_1(penum, gs_show_enum, &st_gs_show_enum, mem,
+		      return 0, cname);
+    /* Initialize pointers for GC */
+    penum->text.operation = 0;	/* no pointers relevant */
+    penum->dev = 0;
+    penum->pgs = pgs;
+    penum->dev_cache = 0;
+    penum->dev_cache2 = 0;
+    penum->dev_null = 0;
+    penum->fstack.depth = -1;
+    return penum;
+}
+
+/* Free the contents of a show enumerator. */
+void
+gs_show_enum_release(gs_show_enum * penum, gs_memory_t * emem)
+{
+    penum->cc = 0;
+    if (penum->dev_cache2 != 0) {
+	rc_decrement_only(penum->dev_cache2,
+			  "gs_show_enum_release(dev_cache2)");
+	penum->dev_cache2 = 0;
+    }
+    if (penum->dev_cache != 0) {
+	rc_decrement_only(penum->dev_cache,
+			  "gs_show_enum_release(dev_cache)");
+	penum->dev_cache = 0;
+    }
+    if (penum->dev_null != 0) {
+	rc_decrement_only(penum->dev_null,
+			  "gs_show_enum_release(dev_null)");
+	penum->dev_null = 0;
+    }
+    if (emem != 0)
+	gs_free_object(emem, penum, "gs_show_enum_release(enum)");
+}
+
+/* show[_n] */
+int
+gs_show_n_init(gs_show_enum * penum, gs_state * pgs,
+	       const char *str, uint size)
+{
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING | TEXT_DO_DRAW | TEXT_RETURN_WIDTH,
+		      true);
+}
+
+/* ashow[_n] */
+int
+gs_ashow_n_init(gs_show_enum * penum, gs_state * pgs,
+		floatp ax, floatp ay, const char *str, uint size)
+{
+    penum->text.delta_all.x = ax;
+    penum->text.delta_all.y = ay;
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING | TEXT_ADD_TO_ALL_WIDTHS |
+		      TEXT_DO_DRAW | TEXT_RETURN_WIDTH,
+		      true);
+}
+
+/* widthshow[_n] */
+int
+gs_widthshow_n_init(gs_show_enum * penum, gs_state * pgs,
+		    floatp cx, floatp cy, gs_char chr,
+		    const char *str, uint size)
+{
+    penum->text.delta_space.x = cx;
+    penum->text.delta_space.y = cy;
+    penum->text.space.s_char = chr;
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING | TEXT_ADD_TO_SPACE_WIDTH |
+		      TEXT_DO_DRAW | TEXT_RETURN_WIDTH,
+		      true);
+}
+
+/* awidthshow[_n] */
+int
+gs_awidthshow_n_init(gs_show_enum * penum, gs_state * pgs,
+		     floatp cx, floatp cy, gs_char chr, floatp ax, floatp ay,
+		     const char *str, uint size)
+{
+    penum->text.delta_space.x = cx;
+    penum->text.delta_space.y = cy;
+    penum->text.space.s_char = chr;
+    penum->text.delta_all.x = ax;
+    penum->text.delta_all.y = ay;
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING |
+		      TEXT_ADD_TO_ALL_WIDTHS | TEXT_ADD_TO_SPACE_WIDTH |
+		      TEXT_DO_DRAW | TEXT_RETURN_WIDTH,
+		      true);
+}
+
+/* kshow[_n] */
+int
+gs_kshow_n_init(register gs_show_enum * penum,
+		gs_state * pgs, const char *str, uint size)
+{
+    if (pgs->font->FontType == ft_composite)
+	return_error(gs_error_invalidfont);
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING | TEXT_DO_DRAW | TEXT_INTERVENE |
+		      TEXT_RETURN_WIDTH,
+		      true);
+}
+
+/* xyshow[_n] */
+int
+gs_xyshow_n_init(register gs_show_enum * penum,
+		 gs_state * pgs, const char *str, uint size)
+{
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING |
+		      TEXT_REPLACE_X_WIDTHS | TEXT_REPLACE_Y_WIDTHS |
+		      TEXT_DO_DRAW | TEXT_INTERVENE | TEXT_RETURN_WIDTH,
+		      true);
+}
+
+/* glyphshow */
+private int setup_glyph(P4(gs_show_enum *, gs_state *, gs_glyph, uint));
+private font_proc_encode_char(gs_glyphshow_encode_char);
+int
+gs_glyphshow_init(gs_show_enum * penum, gs_state * pgs, gs_glyph glyph)
+{
+    return setup_glyph(penum, pgs, glyph, TEXT_DO_DRAW);
+}
+int
+gs_glyphpath_init(gs_show_enum * penum, gs_state * pgs, gs_glyph glyph,
+		  bool stroke_path)
+{
+    int code = setup_glyph(penum, pgs, glyph,
+			   (stroke_path ? TEXT_DO_TRUE_CHARPATH :
+			    TEXT_DO_FALSE_CHARPATH));
+
+    penum->can_cache = -1;
+    if_debug1('k', "[k]glyphpath, can_cache=%d", penum->can_cache);
+    return code;
+}
+private int
+setup_glyph(gs_show_enum * penum, gs_state * pgs, gs_glyph glyph,
+	    uint operation)
+{
+    int code;
+
+    if (pgs->font->FontType == ft_composite)
+	return_error(gs_error_invalidfont);
+    code = show_setup(penum, pgs, "\000" /* arbitrary char */ , 1,
+		      TEXT_FROM_GLYPHS | TEXT_RETURN_WIDTH | operation,
+		      true);
+    penum->current_glyph = glyph;
+    penum->encode_char = gs_glyphshow_encode_char;
+    return code;
+}
+private gs_glyph
+gs_glyphshow_encode_char(gs_show_enum * penum, gs_font * pfont, gs_char * pchr)
+{
+    /* We just nil out the character, and return the pre-loaded glyph. */
+    *pchr = gs_no_char;
+    return penum->current_glyph;
+}
+
+/* ------ Related operators ------ */
+
+/* cshow[_n] */
+int
+gs_cshow_n_init(register gs_show_enum * penum,
+		gs_state * pgs, const char *str, uint size)
+{
+    return show_setup(penum, pgs, str, size,
+		      TEXT_FROM_STRING | TEXT_DO_NONE | TEXT_INTERVENE,
+		      false);
+}
+
+/* stringwidth[_n] */
+int
+gs_stringwidth_n_init(gs_show_enum * penum, gs_state * pgs,
+		      const char *str, uint size)
+{
+    return stringwidth_setup(penum, pgs, str, size);
+}
+
+/* Common code for stringwidth[_n] */
+private int
+stringwidth_setup(gs_show_enum * penum, gs_state * pgs, const char *str,
+		  uint size)
+{
+    int code = show_setup(penum, pgs, str, size,
+			TEXT_FROM_STRING | TEXT_DO_NONE | TEXT_RETURN_WIDTH,
+			  false);
+    gs_memory_t *mem = pgs->memory;
+    gx_device_null *dev_null;
+
+    if (code < 0)
+	return code;
+    dev_null = gs_alloc_struct(mem, gx_device_null, &st_device_null,
+			       "stringwidth_setup(dev_null)");
+    if (dev_null == 0)
+	return_error(gs_error_VMerror);
+    /* Do an extra gsave and suppress output */
+    if ((code = gs_gsave(pgs)) < 0)
+	return code;
+    penum->level = pgs->level;	/* for level check in show_update */
+    /* Set up a null device that forwards xfont requests properly. */
+    gs_make_null_device(dev_null, mem);
+    dev_null->target = gs_currentdevice_inline(pgs);
+    pgs->ctm_default_set = false;
+    penum->dev_null = dev_null;
+    /* Account for the extra reference from the enumerator. */
+    rc_increment(dev_null);
+    gs_setdevice_no_init(pgs, (gx_device *) dev_null);
+    /* Establish an arbitrary translation and current point. */
+    gs_newpath(pgs);
+    gx_translate_to_fixed(pgs, fixed_0, fixed_0);
+    return gx_path_add_point(pgs->path, fixed_0, fixed_0);
+}
+
+/* charpath[_n] */
+int
+gs_charpath_n_init(gs_show_enum * penum, gs_state * pgs,
+		   const char *str, uint size, bool stroke_path)
+{
+    int code = show_setup(penum, pgs, str, size,
+			  TEXT_FROM_STRING |
+			  (stroke_path ? TEXT_DO_TRUE_CHARPATH :
+			   TEXT_DO_FALSE_CHARPATH),
+			  false);
+
+    penum->can_cache = -1;
+    if_debug1('k', "[k]charpath, can_cache=%d", penum->can_cache);
+    return code;
+}
+
+/* charboxpath[_n] */
+int
+gs_charboxpath_n_init(gs_show_enum * penum, gs_state * pgs,
+		      const char *str, uint size, bool use_boxes)
+{
+    int code = show_setup(penum, pgs, str, size,
+			  TEXT_FROM_STRING |
+			  (use_boxes ? TEXT_DO_TRUE_CHARBOXPATH :
+			   TEXT_DO_FALSE_CHARBOXPATH),
+			  false);
+
+    penum->can_cache = 0;	/* different from charpath! */
+    if_debug1('k', "[k]charboxpath, can_cache=%d", penum->can_cache);
+    return code;
+}
+
+/* ------ Width/cache operators ------ */
+
+private int set_cache_device(P6(gs_show_enum * penum, gs_state * pgs,
+			   floatp llx, floatp lly, floatp urx, floatp ury));
+
+/* setcachedevice */
+/* The elements of pw are: wx, wy, llx, lly, urx, ury. */
+/* Note that this returns 1 if we just set up the cache device. */
+int
+gs_setcachedevice_double(gs_show_enum * penum, gs_state * pgs, const double *pw)
+{
+    int code = gs_setcharwidth(penum, pgs, pw[0], pw[1]);	/* default is don't cache */
+
+    if (code < 0)
+	return code;
+    return set_cache_device(penum, pgs, pw[2], pw[3], pw[4], pw[5]);
+}
+/* The _float procedure is strictly for backward compatibility. */
+int
+gs_setcachedevice_float(gs_show_enum * penum, gs_state * pgs, const float *pw)
+{
+    double w[6];
+    int i;
+
+    for (i = 0; i < 6; ++i)
+	w[i] = pw[i];
+    return gs_setcachedevice_double(penum, pgs, w);
+}
+
+/* setcachedevice2 */
+/* The elements of pw2 are: w0x, w0y, llx, lly, urx, ury, w1x, w1y, vx, vy. */
+/* Note that this returns 1 if we just set up the cache device. */
+int
+gs_setcachedevice2_double(gs_show_enum * penum, gs_state * pgs,
+			  const double *pw2)
+{
+    int code;
+
+    if (gs_rootfont(pgs)->WMode) {
+	float vx = pw2[8], vy = pw2[9];
+	gs_fixed_point pvxy, dvxy;
+	cached_char *cc;
+
+	if ((code = gs_point_transform2fixed(&pgs->ctm, -vx, -vy, &pvxy)) < 0 ||
+	  (code = gs_distance_transform2fixed(&pgs->ctm, vx, vy, &dvxy)) < 0
+	    )
+	    return 0;		/* don't cache */
+	if ((code = gs_setcharwidth(penum, pgs, pw2[6], pw2[7])) < 0)
+	    return code;
+	/* Adjust the origin by (vx, vy). */
+	gx_translate_to_fixed(pgs, pvxy.x, pvxy.y);
+	code = set_cache_device(penum, pgs, pw2[2], pw2[3], pw2[4], pw2[5]);
+	if (code != 1)
+	    return code;
+	/* Adjust the character origin too. */
+	cc = penum->cc;
+	cc->offset.x += dvxy.x;
+	cc->offset.y += dvxy.y;
+    } else {
+	code = gs_setcharwidth(penum, pgs, pw2[0], pw2[1]);
+	if (code < 0)
+	    return code;
+	code = set_cache_device(penum, pgs, pw2[2], pw2[3], pw2[4], pw2[5]);
+    }
+    return code;
+}
+/* The _float procedure is strictly for backward compatibility. */
+int
+gs_setcachedevice2_float(gs_show_enum * penum, gs_state * pgs, const float *pw2)
+{
+    double w2[10];
+    int i;
+
+    for (i = 0; i < 10; ++i)
+	w2[i] = pw2[i];
+    return gs_setcachedevice2_double(penum, pgs, w2);
+}
+
+/* Set up the cache device if relevant. */
+/* Return 1 if we just set up a cache device. */
+/* Used by setcachedevice and setcachedevice2. */
+private int
+set_cache_device(gs_show_enum * penum, gs_state * pgs, floatp llx, floatp lly,
+		 floatp urx, floatp ury)
+{
+    gs_glyph glyph;
+
+    /* See if we want to cache this character. */
+    if (pgs->in_cachedevice)	/* no recursion! */
+	return 0;
+    pgs->in_cachedevice = 1;	/* disable color/gray/image operators */
+    /* We can only use the cache if we know the glyph. */
+    glyph = gs_show_current_glyph(penum);
+    if (glyph == gs_no_glyph)
+	return 0;
+    /* We can only use the cache if ctm is unchanged */
+    /* (aside from a possible translation). */
+    if (penum->can_cache <= 0 || !pgs->char_tm_valid) {
+	if_debug2('k', "[k]no cache: can_cache=%d, char_tm_valid=%d\n",
+		  penum->can_cache, (int)pgs->char_tm_valid);
+	return 0;
+    } {
+	const gs_font *pfont = pgs->font;
+	gs_font_dir *dir = pfont->dir;
+	gx_device *dev = gs_currentdevice_inline(pgs);
+	int alpha_bits =
+	(*dev_proc(dev, get_alpha_bits)) (dev, go_text);
+	gs_log2_scale_point log2_scale;
+	static const fixed max_cdim[3] =
+	{
+#define max_cd(n)\
+	    (fixed_1 << (arch_sizeof_short * 8 - n)) - (fixed_1 >> n) * 3
+	    max_cd(0), max_cd(1), max_cd(2)
+#undef max_cd
+	};
+	ushort iwidth, iheight;
+	cached_char *cc;
+	gs_fixed_rect clip_box;
+	int code;
+
+	/* Compute the bounding box of the transformed character. */
+	/* Since we accept arbitrary transformations, the extrema */
+	/* may occur in any order; however, we can save some work */
+	/* by observing that opposite corners before transforming */
+	/* are still opposite afterwards. */
+	gs_fixed_point cll, clr, cul, cur, cdim;
+
+	if ((code = gs_distance_transform2fixed(&pgs->ctm, llx, lly, &cll)) < 0 ||
+	    (code = gs_distance_transform2fixed(&pgs->ctm, llx, ury, &clr)) < 0 ||
+	    (code = gs_distance_transform2fixed(&pgs->ctm, urx, lly, &cul)) < 0 ||
+	 (code = gs_distance_transform2fixed(&pgs->ctm, urx, ury, &cur)) < 0
+	    )
+	    return 0;		/* don't cache */
+	{
+	    fixed ctemp;
+
+#define swap(a, b) ctemp = a, a = b, b = ctemp
+#define make_min(a, b) if ( (a) > (b) ) swap(a, b)
+
+	    make_min(cll.x, cur.x);
+	    make_min(cll.y, cur.y);
+	    make_min(clr.x, cul.x);
+	    make_min(clr.y, cul.y);
+#undef make_min
+#undef swap
+	}
+	/* Now take advantage of symmetry. */
+	if (clr.x < cll.x)
+	    cll.x = clr.x, cur.x = cul.x;
+	if (clr.y < cll.y)
+	    cll.y = clr.y, cur.y = cul.y;
+	/* Now cll and cur are the extrema of the box. */
+	cdim.x = cur.x - cll.x;
+	cdim.y = cur.y - cll.y;
+	show_set_scale(penum);
+	log2_scale.x = penum->log2_suggested_scale.x;
+	log2_scale.y = penum->log2_suggested_scale.y;
+#ifdef DEBUG
+	if (gs_debug_c('k')) {
+	    dlprintf6("[k]cbox=[%g %g %g %g] scale=%dx%d\n",
+		      fixed2float(cll.x), fixed2float(cll.y),
+		      fixed2float(cur.x), fixed2float(cur.y),
+		      1 << log2_scale.x, 1 << log2_scale.y);
+	    print_ctm("  ", pgs);
+	}
+#endif
+	/*
+	 * If the device wants anti-aliased text,
+	 * increase the sampling scale to ensure that
+	 * if we want N bits of alpha, we generate
+	 * at least 2^N sampled bits per pixel.
+	 */
+	if (alpha_bits > 1) {
+	    int more_bits =
+	    alpha_bits - (log2_scale.x + log2_scale.y);
+
+	    if (more_bits > 0) {
+		if (log2_scale.x <= log2_scale.y) {
+		    log2_scale.x += (more_bits + 1) >> 1;
+		    log2_scale.y += more_bits >> 1;
+		} else {
+		    log2_scale.x += more_bits >> 1;
+		    log2_scale.y += (more_bits + 1) >> 1;
+		}
+	    }
+	} else if (!OVERSAMPLE || pfont->PaintType != 0) {
+	    /* Don't oversample artificially stroked fonts. */
+	    log2_scale.x = log2_scale.y = 0;
+	}
+	if (cdim.x > max_cdim[log2_scale.x] ||
+	    cdim.y > max_cdim[log2_scale.y]
+	    )
+	    return 0;		/* much too big */
+	iwidth = ((ushort) fixed2int_var(cdim.x) + 2) << log2_scale.x;
+	iheight = ((ushort) fixed2int_var(cdim.y) + 2) << log2_scale.y;
+	if_debug3('k', "[k]iwidth=%u iheight=%u dev_cache %s\n",
+		  (uint) iwidth, (uint) iheight,
+		  (penum->dev_cache == 0 ? "not set" : "set"));
+	if (penum->dev_cache == 0) {
+	    code = show_cache_setup(penum);
+	    if (code < 0)
+		return code;
+	}
+	/*
+	 * If we're oversampling (i.e., the temporary bitmap is
+	 * larger than the final monobit or alpha array) and the
+	 * temporary bitmap is large, use incremental conversion
+	 * from oversampled bitmap strips to alpha values instead of
+	 * full oversampling with compression at the end.
+	 */
+	cc = gx_alloc_char_bits(dir, penum->dev_cache,
+				(iwidth > MAX_TEMP_BITMAP_BITS / iheight &&
+				 log2_scale.x + log2_scale.y > alpha_bits ?
+				 penum->dev_cache2 : NULL),
+				iwidth, iheight, &log2_scale, alpha_bits);
+	if (cc == 0)
+	    return 0;		/* too big for cache */
+	/* The mins handle transposed coordinate systems.... */
+	/* Truncate the offsets to avoid artifacts later. */
+	cc->offset.x = fixed_ceiling(-cll.x);
+	cc->offset.y = fixed_ceiling(-cll.y);
+	if_debug4('k', "[k]width=%u, height=%u, offset=[%g %g]\n",
+		  (uint) iwidth, (uint) iheight,
+		  fixed2float(cc->offset.x),
+		  fixed2float(cc->offset.y));
+	if ((code = gs_gsave(pgs)) < 0) {
+	    gx_free_cached_char(dir, cc);
+	    return code;
+	}
+	/* Nothing can go wrong now.... */
+	penum->cc = cc;
+	cc->code = glyph;
+	cc->wmode = gs_rootfont(pgs)->WMode;
+	cc->wxy = penum->wxy;
+	/* Install the device */
+	gx_set_device_only(pgs, (gx_device *) penum->dev_cache);
+	pgs->ctm_default_set = false;
+	/* Adjust the transformation in the graphics context */
+	/* so that the character lines up with the cache. */
+	gx_translate_to_fixed(pgs,
+			      cc->offset.x << log2_scale.x,
+			      cc->offset.y << log2_scale.y);
+	if ((log2_scale.x | log2_scale.y) != 0)
+	    gx_scale_char_matrix(pgs, 1 << log2_scale.x,
+				 1 << log2_scale.y);
+	/* Set the initial matrix for the cache device. */
+	penum->dev_cache->initial_matrix = ctm_only(pgs);
+	/* Set the oversampling factor. */
+	penum->log2_current_scale.x = log2_scale.x;
+	penum->log2_current_scale.y = log2_scale.y;
+	/* Reset the clipping path to match the metrics. */
+	clip_box.p.x = clip_box.p.y = 0;
+	clip_box.q.x = int2fixed(iwidth);
+	clip_box.q.y = int2fixed(iheight);
+	if ((code = gx_clip_to_rectangle(pgs, &clip_box)) < 0)
+	    return code;
+	gx_set_device_color_1(pgs);	/* write 1's */
+	pgs->in_cachedevice = 2;	/* we are caching */
+    }
+    penum->width_status = sws_cache;
+    return 1;
+}
+
+/* setcharwidth */
+/* Note that this returns 1 if the current show operation is */
+/* non-displaying (stringwidth or cshow). */
+int
+gs_setcharwidth(register gs_show_enum * penum, gs_state * pgs,
+		floatp wx, floatp wy)
+{
+    int code;
+
+    if (penum->width_status != sws_none)
+	return_error(gs_error_undefined);
+    if ((code = gs_distance_transform2fixed(&pgs->ctm, wx, wy, &penum->wxy)) < 0)
+	return code;
+    /* Check whether we're setting the scalable width */
+    /* for a cached xfont character. */
+    if (penum->cc != 0) {
+	penum->cc->wxy = penum->wxy;
+	penum->width_status = sws_cache_width_only;
+    } else {
+	penum->width_status = sws_no_cache;
+    }
+    return !SHOW_IS_DRAWING(penum);
+}
+
+/* ------ Enumerator ------ */
+
+/* Do the next step of a show (or stringwidth) operation */
+int
+gs_show_next(gs_show_enum * penum)
+{
+    return (*penum->continue_proc) (penum);
+}
+
+/* Continuation procedures */
+private int show_update(P1(gs_show_enum * penum));
+private int show_move(P1(gs_show_enum * penum));
+private int show_proceed(P1(gs_show_enum * penum));
+private int show_finish(P1(gs_show_enum * penum));
+private int
+continue_show_update(register gs_show_enum * penum)
+{
+    int code = show_update(penum);
+
+    if (code < 0)
+	return code;
+    code = show_move(penum);
+    if (code != 0)
+	return code;
+    return show_proceed(penum);
+}
+private int
+continue_show(register gs_show_enum * penum)
+{
+    return show_proceed(penum);
+}
+/* For kshow, the CTM or font may have changed, so we have to reestablish */
+/* the cached values in the enumerator. */
+private int
+continue_kshow(register gs_show_enum * penum)
+{
+    int code = show_state_setup(penum);
+
+    if (code < 0)
+	return code;
+    return show_proceed(penum);
+}
+
+/* Update position */
+private int
+show_update(register gs_show_enum * penum)
+{
+    register gs_state *pgs = penum->pgs;
+    cached_char *cc = penum->cc;
+    int code;
+
+    /* Update position for last character */
+    switch (penum->width_status) {
+	case sws_none:
+	    /* Adobe interpreters assume a character width of 0, */
+	    /* even though the documentation says this is an error.... */
+	    penum->wxy.x = penum->wxy.y = 0;
+	    break;
+	case sws_cache:
+	    /* Finish installing the cache entry. */
+	    /* If the BuildChar/BuildGlyph procedure did a save and a */
+	    /* restore, it already undid the gsave in setcachedevice. */
+	    /* We have to check for this by comparing levels. */
+	    switch (pgs->level - penum->level) {
+		default:
+		    return_error(gs_error_invalidfont);		/* WRONG */
+		case 2:
+		    code = gs_grestore(pgs);
+		    if (code < 0)
+			return code;
+		case 1:
+		    ;
+	    }
+	    gx_add_cached_char(pgs->font->dir, penum->dev_cache,
+			       cc, gx_lookup_fm_pair(pgs->font, pgs),
+			       &penum->log2_current_scale);
+	    if (!SHOW_IS_DRAWING(penum) ||
+		penum->charpath_flag != cpm_show
+		)
+		break;
+	    /* falls through */
+	case sws_cache_width_only:
+	    /* Copy the bits to the real output device. */
+	    code = gs_grestore(pgs);
+	    if (code < 0)
+		return code;
+	    code = gs_state_color_load(pgs);
+	    if (code < 0)
+		return code;
+	    return gx_image_cached_char(penum, cc);
+	case sws_no_cache:
+	    ;
+    }
+    if (penum->charpath_flag != cpm_show) {
+	/* Move back to the character origin, so that */
+	/* show_move will get us to the right place. */
+	code = gx_path_add_point(pgs->show_gstate->path,
+				 penum->origin.x, penum->origin.y);
+	if (code < 0)
+	    return code;
+    }
+    return gs_grestore(pgs);
+}
+
+/* Move to next character */
+private int
+show_fast_move(gs_state * pgs, gs_fixed_point * pwxy)
+{
+    int code = gx_path_add_rel_point_inline(pgs->path, pwxy->x, pwxy->y);
+
+    /* If the current position is out of range, don't try to move. */
+    if (code == gs_error_limitcheck && pgs->clamp_coordinates)
+	code = 0;
+    return code;
+}
+private int
+show_move(register gs_show_enum * penum)
+{
+    register gs_state *pgs = penum->pgs;
+
+    if (SHOW_IS_XYCSHOW(penum)) {
+	penum->continue_proc = continue_show;
+	return gs_show_move;
+    }
+    if (SHOW_IS_ADD_TO_ALL(penum))
+	gs_rmoveto(pgs, penum->text.delta_all.x, penum->text.delta_all.y);
+    if (SHOW_IS_ADD_TO_SPACE(penum)) {
+	gs_char chr = penum->current_char;
+	int fdepth = penum->fstack.depth;
+
+	if (fdepth > 0) {
+	    /* Add in the shifted font number. */
+	    uint fidx = penum->fstack.items[fdepth].index;
+
+	    switch (((gs_font_type0 *) (penum->fstack.items[fdepth - 1].font))->data.FMapType) {
+		case fmap_1_7:
+		case fmap_9_7:
+		    chr += fidx << 7;
+		    break;
+		default:
+		    chr += fidx << 8;
+	    }
+	}
+	if (chr == penum->text.space.s_char)
+	    gs_rmoveto(pgs, penum->text.delta_space.x,
+		       penum->text.delta_space.y);
+    }
+    /* wxy is in device coordinates */
+    {
+	int code = show_fast_move(pgs, &penum->wxy);
+
+	if (code < 0)
+	    return code;
+    }
+    /* Check for kerning, but not on the last character. */
+    if (SHOW_IS_DO_KERN(penum) && penum->index < penum->text.size) {
+	penum->continue_proc = continue_kshow;
+	return gs_show_kern;
+    }
+    return 0;
+}
+/* Process next character */
+private int
+show_proceed(register gs_show_enum * penum)
+{
+    register gs_state *pgs = penum->pgs;
+    gs_font *pfont;
+    cached_fm_pair *pair = 0;
+    gs_font *rfont =
+    (penum->fstack.depth < 0 ? pgs->font : penum->fstack.items[0].font);
+    int wmode = rfont->WMode;
+
+    font_proc_next_char((*next_char)) = rfont->procs.next_char;
+    font_proc_next_glyph((*next_glyph)) = rfont->procs.next_glyph;
+#define next_char_glyph(penum, pchr, pglyph)\
+    (next_char == 0 ? (*next_glyph)(penum, pchr, pglyph) :\
+     (*(pglyph) = gs_no_glyph, (*next_char)(penum, pchr)))
+    gs_char chr;
+    gs_glyph glyph;
+    int code;
+    cached_char *cc;
+    gx_device *dev = gs_currentdevice_inline(pgs);
+    int alpha_bits = (*dev_proc(dev, get_alpha_bits)) (dev, go_text);
+
+    if (penum->charpath_flag == cpm_show && SHOW_IS_DRAWING(penum)) {
+	code = gs_state_color_load(pgs);
+	if (code < 0)
+	    return code;
+    }
+  more:			/* Proceed to next character */
+    pfont = (penum->fstack.depth < 0 ? pgs->font :
+	     penum->fstack.items[penum->fstack.depth].font);
+    /* can_cache >= 0 allows us to use cached characters, */
+    /* even if we can't make new cache entries. */
+    if (penum->can_cache >= 0) {
+	/* Loop with cache */
+	for (;;) {
+	    switch ((code = next_char_glyph(penum, &chr, &glyph))) {
+		default:	/* error */
+		    return code;
+		case 2:	/* done */
+		    return show_finish(penum);
+		case 1:	/* font change */
+		    pfont = penum->fstack.items[penum->fstack.depth].font;
+		    pgs->char_tm_valid = false;
+		    show_state_setup(penum);
+		    pair = 0;
+		    /* falls through */
+		case 0:	/* plain char */
+		    /*
+		     * We don't need to set penum->current_char in the
+		     * normal cases, but it's needed for widthshow,
+		     * kshow, and one strange client, so we may as well
+		     * do it here.
+		     */
+		    penum->current_char = chr;
+		    if (glyph == gs_no_glyph) {
+			glyph = (*penum->encode_char) (penum, pfont, &chr);
+			penum->current_char = chr;
+			if (glyph == gs_no_glyph) {
+			    cc = 0;
+			    goto no_cache;
+			}
+		    }
+		    if (pair == 0)
+			pair = gx_lookup_fm_pair(pfont, pgs);
+		    cc = gx_lookup_cached_char(pfont, pair, glyph, wmode,
+					       alpha_bits);
+		    if (cc == 0) {
+			/* Character is not in cache. */
+			/* If possible, try for an xfont before */
+			/* rendering from the outline. */
+			if (pfont->ExactSize == fbit_use_outlines ||
+			    pfont->PaintType == 2
+			    )
+			    goto no_cache;
+			if (pfont->BitmapWidths) {
+			    cc = gx_lookup_xfont_char(pgs, pair, chr,
+				     glyph, &pfont->procs.callbacks, wmode);
+			    if (cc == 0)
+				goto no_cache;
+			} else {
+			    if (!SHOW_IS_DRAWING(penum) != 0 ||
+				penum->charpath_flag != cpm_show
+				)
+				goto no_cache;
+			    /* We might have an xfont, but we still */
+			    /* want the scalable widths. */
+			    cc = gx_lookup_xfont_char(pgs, pair, chr,
+				     glyph, &pfont->procs.callbacks, wmode);
+			    /* Render up to the point of */
+			    /* setcharwidth or setcachedevice, */
+			    /* just as for stringwidth. */
+			    /* This is the only case in which we can */
+			    /* to go no_cache with cc != 0. */
+			    goto no_cache;
+			}
+		    }
+		    /* Character is in cache. */
+		    /* We might be doing .charboxpath or stringwidth; */
+		    /* check for these now. */
+		    if (penum->charpath_flag != cpm_show) {
+			/* This is .charboxpath.  Get the bounding box */
+			/* and append it to a path. */
+			gx_path box_path;
+			gs_fixed_point pt;
+			fixed llx, lly, urx, ury;
+
+			code = gx_path_current_point(pgs->path, &pt);
+			if (code < 0)
+			    return code;
+			llx = fixed_rounded(pt.x - cc->offset.x) +
+			    int2fixed(penum->ftx);
+			lly = fixed_rounded(pt.y - cc->offset.y) +
+			    int2fixed(penum->fty);
+			urx = llx + int2fixed(cc->width),
+			    ury = lly + int2fixed(cc->height);
+			gx_path_init_local(&box_path, pgs->memory);
+			code =
+			    gx_path_add_rectangle(&box_path, llx, lly,
+						  urx, ury);
+			if (code >= 0)
+			    code =
+				gx_path_add_char_path(pgs->show_gstate->path,
+						      &box_path,
+						      penum->charpath_flag);
+			if (code >= 0)
+			    code = gx_path_add_point(pgs->path, pt.x, pt.y);
+			gx_path_free(&box_path, "show_proceed(box path)");
+			if (code < 0)
+			    return code;
+		    } else if (SHOW_IS_DRAWING(penum)) {
+			code = gx_image_cached_char(penum, cc);
+			if (code < 0)
+			    return code;
+			else if (code > 0) {
+			    cc = 0;
+			    goto no_cache;
+			}
+		    }
+		    if (SHOW_IS_SLOW(penum)) {
+			/* Split up the assignment so that the */
+			/* Watcom compiler won't reserve esi/edi. */
+			penum->wxy.x = cc->wxy.x;
+			penum->wxy.y = cc->wxy.y;
+			code = show_move(penum);
+		    } else
+			code = show_fast_move(pgs, &cc->wxy);
+		    if (code) {
+			/* Might be kshow, so store the state. */
+			penum->current_glyph = glyph;
+			return code;
+		    }
+	    }
+	}
+    } else {
+	/* Can't use cache */
+	switch ((code = next_char_glyph(penum, &chr, &glyph))) {
+	    default:
+		return code;
+	    case 2:
+		return show_finish(penum);
+	    case 1:
+		pfont = penum->fstack.items[penum->fstack.depth].font;
+		show_state_setup(penum);
+	    case 0:
+		;
+	}
+	penum->current_char = chr;
+	if (glyph == gs_no_glyph) {
+	    glyph = (*penum->encode_char) (penum, pfont, &chr);
+	    penum->current_char = chr;
+	}
+	cc = 0;
+    }
+  no_cache:
+    /*
+     * We must call the client's rendering code.  Normally,
+     * we only do this if the character is not cached (cc = 0);
+     * however, we also must do this if we have an xfont but
+     * are using scalable widths.  In this case, and only this case,
+     * we get here with cc != 0.  penum->current_char has already
+     * been set, but not penum->current_glyph.
+     */
+    penum->current_glyph = glyph;
+    if ((code = gs_gsave(pgs)) < 0)
+	return code;
+    /* Set the font to the current descendant font. */
+    pgs->font = pfont;
+    /* Reset the in_cachedevice flag, so that a recursive show */
+    /* will use the cache properly. */
+    pgs->in_cachedevice = 0;
+    /* Reset the sampling scale. */
+    penum->log2_current_scale.x = penum->log2_current_scale.y = 0;
+    /* Set the charpath data in the graphics context if necessary, */
+    /* so that fill and stroke will add to the path */
+    /* rather than having their usual effect. */
+    pgs->in_charpath = penum->charpath_flag;
+    pgs->show_gstate =
+	(penum->show_gstate == pgs ? pgs->saved : penum->show_gstate);
+    pgs->stroke_adjust = false;	/* per specification */
+    {
+	gs_fixed_point cpt;
+	gx_path *ppath = pgs->path;
+
+	if ((code = gx_path_current_point_inline(ppath, &cpt)) < 0)
+	    goto rret;
+	penum->origin.x = cpt.x;
+	penum->origin.y = cpt.y;
+	/* Normally, char_tm is valid because of show_state_setup, */
+	/* but if we're in a cshow, it may not be. */
+	gs_currentcharmatrix(pgs, NULL, true);
+#if 1				/*USE_FPU <= 0 */
+	if (pgs->ctm.txy_fixed_valid && pgs->char_tm.txy_fixed_valid) {
+	    fixed tx = pgs->ctm.tx_fixed;
+	    fixed ty = pgs->ctm.ty_fixed;
+
+	    gs_settocharmatrix(pgs);
+	    cpt.x += pgs->ctm.tx_fixed - tx;
+	    cpt.y += pgs->ctm.ty_fixed - ty;
+	} else
+#endif
+	{
+	    double tx = pgs->ctm.tx;
+	    double ty = pgs->ctm.ty;
+	    double fpx, fpy;
+
+	    gs_settocharmatrix(pgs);
+	    fpx = fixed2float(cpt.x) + (pgs->ctm.tx - tx);
+	    fpy = fixed2float(cpt.y) + (pgs->ctm.ty - ty);
+#define f_fits_in_fixed(f) f_fits_in_bits(f, fixed_int_bits)
+	    if (!(f_fits_in_fixed(fpx) && f_fits_in_fixed(fpy))) {
+		gs_note_error(code = gs_error_limitcheck);
+		goto rret;
+	    }
+	    cpt.x = float2fixed(fpx);
+	    cpt.y = float2fixed(fpy);
+	}
+	gs_newpath(pgs);
+	code = show_origin_setup(pgs, cpt.x, cpt.y,
+				 penum->charpath_flag);
+	if (code < 0)
+	    goto rret;
+    }
+    penum->width_status = sws_none;
+    penum->continue_proc = continue_show_update;
+    /* Try using the build procedure in the font. */
+    /* < 0 means error, 0 means success, 1 means failure. */
+    penum->cc = cc;		/* set this now for build procedure */
+    code = (*pfont->procs.build_char) (penum, pgs, pfont, chr, glyph);
+    if (code < 0) {
+	discard(gs_note_error(code));
+	goto rret;
+    }
+    if (code == 0) {
+	code = show_update(penum);
+	if (code < 0)
+	    goto rret;
+	/* Note that show_update does a grestore.... */
+	code = show_move(penum);
+	if (code)
+	    return code;	/* ... so don't go to rret here. */
+	goto more;
+    }
+    /*
+     * Some BuildChar procedures do a save before the setcachedevice,
+     * and a restore at the end.  If we waited to allocate the cache
+     * device until the setcachedevice, we would attempt to free it
+     * after the restore.  Therefore, allocate it now.
+     */
+    if (penum->dev_cache == 0) {
+	code = show_cache_setup(penum);
+	if (code < 0)
+	    goto rret;
+    }
+    return gs_show_render;
+    /* If we get an error while setting up for BuildChar, */
+    /* we must undo the partial setup. */
+  rret:gs_grestore(pgs);
+    return code;
+#undef next_char_glyph
+}
+
+/* Finish show or stringwidth */
+private int
+show_finish(gs_show_enum * penum)
+{
+    gs_state *pgs = penum->pgs;
+    int code, rcode;
+
+    gs_show_enum_release(penum, NULL);
+    if (!SHOW_IS_STRINGWIDTH(penum))
+	return 0;
+    /* Save the accumulated width before returning, */
+    /* and undo the extra gsave. */
+    code = gs_currentpoint(pgs, &penum->width);
+    rcode = gs_grestore(pgs);
+    return (code < 0 ? code : rcode);
+}
+
+/* Return the current character for rendering. */
+gs_char
+gs_show_current_char(const gs_show_enum * penum)
+{
+    return penum->current_char;
+}
+
+/* Return the current glyph for rendering. */
+gs_glyph
+gs_show_current_glyph(const gs_show_enum * penum)
+{
+    return penum->current_glyph;
+}
+
+/* Return the width of the just-enumerated character (for cshow). */
+int
+gs_show_current_width(const gs_show_enum * penum, gs_point * ppt)
+{
+    return gs_idtransform(penum->pgs,
+			  fixed2float(penum->wxy.x),
+			  fixed2float(penum->wxy.y), ppt);
+}
+
+/* Return the just-displayed character for kerning. */
+gs_char
+gs_kshow_previous_char(const gs_show_enum * penum)
+{
+    return penum->current_char;
+}
+
+/* Return the about-to-be-displayed character for kerning. */
+gs_char
+gs_kshow_next_char(const gs_show_enum * penum)
+{
+    return penum->text.data.bytes[penum->index];
+}
+
+/* ------ Miscellaneous accessors ------ */
+
+/* Return the current font for cshow. */
+gs_font *
+gs_show_current_font(const gs_show_enum * penum)
+{
+    return (penum->fstack.depth < 0 ? penum->pgs->font :
+	    penum->fstack.items[penum->fstack.depth].font);
+}
+
+/* Restore the current font after cshow. */
+int
+gs_show_restore_font(const gs_show_enum * penum)
+{
+    int fdepth = penum->fstack.depth;
+
+    if (fdepth >= 0) {
+	gs_state *pgs = penum->pgs;
+
+	gs_setfont(pgs, penum->fstack.items[0].font);
+	pgs->font = penum->fstack.items[fdepth].font;
+    }
+    return 0;
+}
+
+/* Return the charpath mode. */
+gs_char_path_mode
+gs_show_in_charpath(const gs_show_enum * penum)
+{
+    return penum->charpath_flag;
+}
+
+/* Return the accumulated width for stringwidth. */
+void
+gs_show_width(const gs_show_enum * penum, gs_point * ppt)
+{
+    *ppt = penum->width;
+}
+
+/* Return true if we only need the width from the rasterizer */
+/* and can short-circuit the full rendering of the character, */
+/* false if we need the actual character bits. */
+/* This is only meaningful just before calling gs_setcharwidth or */
+/* gs_setcachedevice[2]. */
+/* Note that we can't do this if the procedure has done any extra [g]saves. */
+bool
+gs_show_width_only(const gs_show_enum * penum)
+{
+    /* penum->cc will be non-zero iff we are calculating */
+    /* the scalable width for an xfont character. */
+    return ((!SHOW_IS_DRAWING(penum) || penum->cc != 0) &&
+	    penum->pgs->level == penum->level + 1);
+}
+
+/* ------ Internal routines ------ */
+
+/* Initialize a show enumerator. */
+private int
+show_setup(register gs_show_enum * penum, gs_state * pgs, const char *str,
+	   uint size, uint operation, bool propagate_charpath)
+{
+    int code;
+    gs_font *pfont;
+
+    /* Set rest of common members. */
+    penum->text.operation = operation;
+    penum->text.data.bytes = (const byte *)str;		/* avoid signed chars */
+    penum->text.size = size;
+    penum->index = 0;
+    /* Set other members. */
+    gx_set_dev_color(pgs);
+    pfont = pgs->font;
+    penum->pgs = pgs;
+    penum->level = pgs->level;
+    if (operation & TEXT_DO_ANY_CHARPATH)
+	penum->charpath_flag =
+	    (operation & TEXT_DO_FALSE_CHARPATH ? cpm_false_charpath :
+	     operation & TEXT_DO_TRUE_CHARPATH ? cpm_true_charpath :
+	     operation & TEXT_DO_FALSE_CHARBOXPATH ? cpm_false_charboxpath :
+	     operation & TEXT_DO_TRUE_CHARBOXPATH ? cpm_true_charboxpath :
+	     cpm_show /* can't happen */ );
+    else
+	penum->charpath_flag =
+	    (propagate_charpath ? pgs->in_charpath : cpm_show);
+    penum->dev_cache = 0;
+    penum->dev_cache2 = 0;
+    penum->dev_null = 0;
+    penum->cc = 0;
+    penum->continue_proc = continue_show;
+    code = (*pfont->procs.init_fstack) (penum, pfont);
+    if (code < 0)
+	return code;
+    penum->can_cache =		/* show_state_setup may reset */
+	(penum->charpath_flag == cpm_show ? 1 : -1);
+    code = show_state_setup(penum);
+    if (code < 0)
+	return code;
+    penum->show_gstate =
+	(propagate_charpath && (pgs->in_charpath != 0) ?
+	 pgs->show_gstate : pgs);
+    return 0;
+}
+
+/* Initialize the gstate-derived parts of a show enumerator. */
+/* We do this both when starting the show operation, */
+/* and when returning from the kshow callout. */
+private int
+show_state_setup(gs_show_enum * penum)
+{
+    gs_state *pgs = penum->pgs;
+    gx_clip_path *pcpath;
+    const gs_font *pfont;
+
+    if (penum->fstack.depth <= 0) {
+	pfont = pgs->font;
+	gs_currentcharmatrix(pgs, NULL, 1);	/* make char_tm valid */
+    } else {
+	/* We have to concatenate the parent's FontMatrix as well. */
+	gs_matrix mat;
+	const gx_font_stack_item *pfsi =
+	&penum->fstack.items[penum->fstack.depth];
+
+	pfont = pfsi->font;
+	gs_matrix_multiply(&pfont->FontMatrix,
+			   &pfsi[-1].font->FontMatrix, &mat);
+	gs_setcharmatrix(pgs, &mat);
+    }
+    /* Skewing or non-rectangular rotation are not supported. */
+    if (!CACHE_ROTATED_CHARS &&
+	(is_fzero2(pgs->char_tm.xy, pgs->char_tm.yx) ||
+	 is_fzero2(pgs->char_tm.xx, pgs->char_tm.yy))
+	)
+	penum->can_cache = 0;
+    if (penum->can_cache >= 0 &&
+	gx_effective_clip_path(pgs, &pcpath) >= 0
+	) {
+	gs_fixed_rect cbox;
+
+	gx_cpath_inner_box(pcpath, &cbox);
+	/* Since characters occupy an integral number of pixels, */
+	/* we can (and should) round the inner clipping box */
+	/* outward rather than inward. */
+	penum->ibox.p.x = fixed2int_var(cbox.p.x);
+	penum->ibox.p.y = fixed2int_var(cbox.p.y);
+	penum->ibox.q.x = fixed2int_var_ceiling(cbox.q.x);
+	penum->ibox.q.y = fixed2int_var_ceiling(cbox.q.y);
+	gx_cpath_outer_box(pcpath, &cbox);
+	penum->obox.p.x = fixed2int_var(cbox.p.x);
+	penum->obox.p.y = fixed2int_var(cbox.p.y);
+	penum->obox.q.x = fixed2int_var_ceiling(cbox.q.x);
+	penum->obox.q.y = fixed2int_var_ceiling(cbox.q.y);
+#if 1				/*USE_FPU <= 0 */
+	if (pgs->ctm.txy_fixed_valid && pgs->char_tm.txy_fixed_valid) {
+	    penum->ftx = (int)fixed2long(pgs->char_tm.tx_fixed -
+					 pgs->ctm.tx_fixed);
+	    penum->fty = (int)fixed2long(pgs->char_tm.ty_fixed -
+					 pgs->ctm.ty_fixed);
+	} else {
+#endif
+	    double fdx = pgs->char_tm.tx - pgs->ctm.tx;
+	    double fdy = pgs->char_tm.ty - pgs->ctm.ty;
+
+#define int_bits (arch_sizeof_int * 8 - 1)
+	    if (!(f_fits_in_bits(fdx, int_bits) &&
+		  f_fits_in_bits(fdy, int_bits))
+		)
+		return_error(gs_error_limitcheck);
+#undef int_bits
+	    penum->ftx = (int)fdx;
+	    penum->fty = (int)fdy;
+	}
+    }
+    penum->encode_char = pfont->procs.encode_char;
+    return 0;
+}
+
+/* Set the suggested oversampling scale for character rendering. */
+private void
+show_set_scale(gs_show_enum * penum)
+{
+    /*
+     * Decide whether to oversample.
+     * We have to decide this each time setcachedevice is called.
+     */
+    const gs_state *pgs = penum->pgs;
+
+    if (penum->charpath_flag == cpm_show &&
+	SHOW_IS_DRAWING(penum) &&
+	gx_path_is_void_inline(pgs->path) &&
+    /* Oversampling rotated characters doesn't work well. */
+	(is_fzero2(pgs->char_tm.xy, pgs->char_tm.yx) ||
+	 is_fzero2(pgs->char_tm.xx, pgs->char_tm.yy))
+	) {
+	const gs_font_base *pfont = (gs_font_base *) pgs->font;
+	gs_fixed_point extent;
+	int code = gs_distance_transform2fixed(&pgs->char_tm,
+				  pfont->FontBBox.q.x - pfont->FontBBox.p.x,
+				  pfont->FontBBox.q.y - pfont->FontBBox.p.y,
+					       &extent);
+
+	if (code >= 0) {
+	    int sx =
+	    (extent.x == 0 ? 0 :
+	     any_abs(extent.x) < int2fixed(25) ? 2 :
+	     any_abs(extent.x) < int2fixed(60) ? 1 :
+	     0);
+	    int sy =
+	    (extent.y == 0 ? 0 :
+	     any_abs(extent.y) < int2fixed(25) ? 2 :
+	     any_abs(extent.y) < int2fixed(60) ? 1 :
+	     0);
+
+	    /* If we oversample at all, make sure we do it */
+	    /* in both X and Y. */
+	    if (sx == 0 && sy != 0)
+		sx = 1;
+	    else if (sy == 0 && sx != 0)
+		sy = 1;
+	    penum->log2_suggested_scale.x = sx;
+	    penum->log2_suggested_scale.y = sy;
+	    return;
+	}
+    }
+    /* By default, don't scale. */
+    penum->log2_suggested_scale.x =
+	penum->log2_suggested_scale.y = 0;
+}
+
+/* Set up the cache device and related information. */
+/* Note that we always allocate both cache devices, */
+/* even if we only use one of them. */
+private int
+show_cache_setup(gs_show_enum * penum)
+{
+    gs_state *pgs = penum->pgs;
+    gs_memory_t *mem = pgs->memory;
+    gx_device_memory *dev =
+    gs_alloc_struct(mem, gx_device_memory, &st_device_memory,
+		    "show_cache_setup(dev_cache)");
+    gx_device_memory *dev2 =
+    gs_alloc_struct(mem, gx_device_memory, &st_device_memory,
+		    "show_cache_setup(dev_cache2)");
+
+    if (dev == 0 || dev2 == 0) {
+	gs_free_object(mem, dev2, "show_cache_setup(dev_cache2)");
+	gs_free_object(mem, dev, "show_cache_setup(dev_cache)");
+	return_error(gs_error_VMerror);
+    }
+    /*
+     * We only initialize the device for the sake of the GC,
+     * (since we have to re-initialize it as either a mem_mono
+     * or a mem_abuf device before actually using it) and also
+     * to set its memory pointer.
+     */
+    gs_make_mem_mono_device(dev, mem, gs_currentdevice_inline(pgs));
+    penum->dev_cache = dev;
+    penum->dev_cache2 = dev2;
+    /* Initialize dev2 for the sake of the GC. */
+    *dev2 = *dev;
+    /* Account for the extra references from the enumerator. */
+    rc_increment(dev);
+    rc_increment(dev2);
+    return 0;
+}
+
+/* Set the character origin as the origin of the coordinate system. */
+/* Used before rendering characters, and for moving the origin */
+/* in setcachedevice2 when WMode=1. */
+private int
+show_origin_setup(gs_state * pgs, fixed cpt_x, fixed cpt_y,
+		  gs_char_path_mode charpath_flag)
+{
+    if (charpath_flag == cpm_show) {
+	/* Round the translation in the graphics state. */
+	/* This helps prevent rounding artifacts later. */
+	cpt_x = fixed_rounded(cpt_x);
+	cpt_y = fixed_rounded(cpt_y);
+    }
+    /*
+     * BuildChar procedures expect the current point to be undefined,
+     * so we omit the gx_path_add_point with ctm.t*_fixed.
+     */
+    return gx_translate_to_fixed(pgs, cpt_x, cpt_y);
+}
+
+/* Default fstack initialization procedure. */
+int
+gs_default_init_fstack(gs_show_enum * penum, gs_font * pfont)
+{
+    penum->fstack.depth = -1;
+    return 0;
+}
+
+/* Default next-character procedure. */
+int
+gs_default_next_char(gs_show_enum * penum, gs_char * pchr)
+{
+    gs_glyph ignore_glyph;
+
+    return gs_default_next_glyph(penum, pchr, &ignore_glyph);
+}
+
+/* Default next-glyph procedure. */
+int
+gs_default_next_glyph(gs_show_enum * penum, gs_char * pchr, gs_glyph * pglyph)
+{
+    if (penum->index == penum->text.size)
+	return 2;
+    *pchr = penum->text.data.bytes[penum->index++];
+    *pglyph = gs_no_glyph;
+    return 0;
+}
diff --git a/pstoraster/gschar.h b/pstoraster/gschar.h
new file mode 100644
index 000000000..4350a4c13
--- /dev/null
+++ b/pstoraster/gschar.h
@@ -0,0 +1,130 @@
+/* Copyright (C) 1989, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to character operations */
+
+#ifndef gschar_INCLUDED
+#  define gschar_INCLUDED
+
+#include "gsccode.h"
+#include "gscpm.h"
+
+/* String display, like image display, uses an enumeration structure */
+/* to keep track of what's going on (aka 'poor man's coroutine'). */
+#ifndef gs_show_enum_DEFINED
+#  define gs_show_enum_DEFINED
+typedef struct gs_show_enum_s gs_show_enum;
+
+#endif
+
+/* Define an opaque type for fonts if necessary. */
+#ifndef gs_font_DEFINED
+#  define gs_font_DEFINED
+typedef struct gs_font_s gs_font;
+
+#endif
+
+/* Allocate an enumerator. */
+gs_show_enum *gs_show_enum_alloc(P3(gs_memory_t *, gs_state *, client_name_t));
+
+/* Release the contents of an enumerator. */
+/* (This happens automatically if the enumeration finishes normally.) */
+/* If the second argument is not NULL, also free the enumerator. */
+void gs_show_enum_release(P2(gs_show_enum *, gs_memory_t *));
+
+/* Initialize a text enumeration. */
+int gs_show_n_init(P4(gs_show_enum *, gs_state *, const char *, uint)),
+     gs_ashow_n_init(P6(gs_show_enum *, gs_state *, floatp, floatp, const char *, uint)),
+     gs_widthshow_n_init(P7(gs_show_enum *, gs_state *, floatp, floatp, gs_char, const char *, uint)),
+     gs_awidthshow_n_init(P9(gs_show_enum *, gs_state *, floatp, floatp, gs_char, floatp, floatp, const char *, uint)),
+     gs_kshow_n_init(P4(gs_show_enum *, gs_state *, const char *, uint)),
+     gs_xyshow_n_init(P4(gs_show_enum *, gs_state *, const char *, uint)),
+     gs_glyphshow_init(P3(gs_show_enum *, gs_state *, gs_glyph)), gs_cshow_n_init(P4(gs_show_enum *, gs_state *, const char *, uint)),
+     gs_stringwidth_n_init(P4(gs_show_enum *, gs_state *, const char *, uint)),
+     gs_charpath_n_init(P5(gs_show_enum *, gs_state *, const char *, uint, bool)),
+     gs_glyphpath_init(P4(gs_show_enum *, gs_state *, gs_glyph, bool)),
+     gs_charboxpath_n_init(P5(gs_show_enum *, gs_state *, const char *, uint, bool));
+
+/* After setting up the enumeration, all the string-related routines */
+/* work the same way.  The client calls gs_show_next until it returns */
+/* a zero (successful completion) or negative (error) value. */
+/* Other values indicate the following situations: */
+
+	/* The client must render a character: obtain the code from */
+	/* gs_show_current_char, do whatever is necessary, and then */
+	/* call gs_show_next again. */
+#define gs_show_render 1
+
+	/* The client has asked to intervene between characters (kshow). */
+	/* Obtain the previous and next codes from gs_kshow_previous_char */
+	/* and gs_kshow_next_char, do whatever is necessary, and then */
+	/* call gs_show_next again. */
+#define gs_show_kern 2
+
+	/* The client has asked to handle characters individually */
+	/* (xshow, yshow, xyshow, cshow).  Obtain the current code */
+	/* from gs_show_current_char, do whatever is necessary, and then */
+	/* call gs_show_next again. */
+#define gs_show_move 3
+
+int gs_show_next(P1(gs_show_enum *));
+
+gs_char
+gs_show_current_char(P1(const gs_show_enum *)), gs_kshow_previous_char(P1(const gs_show_enum *)),
+      gs_kshow_next_char(P1(const gs_show_enum *));
+gs_font *
+        gs_show_current_font(P1(const gs_show_enum *));
+int gs_show_restore_font(P1(const gs_show_enum *));
+
+gs_glyph
+gs_show_current_glyph(P1(const gs_show_enum *));
+int gs_show_current_width(P2(const gs_show_enum *, gs_point *));
+void gs_show_width(P2(const gs_show_enum *, gs_point *));	/* cumulative width */
+
+gs_char_path_mode
+gs_show_in_charpath(P1(const gs_show_enum *));		/* return charpath flag */
+
+/* Character cache and metrics operators. */
+/* gs_setcachedevice* return 1 iff the cache device was just installed. */
+int gs_setcachedevice_float(P3(gs_show_enum *, gs_state *, const float * /*[6] */ ));
+int gs_setcachedevice_double(P3(gs_show_enum *, gs_state *, const double * /*[6] */ ));
+
+#define gs_setcachedevice(penum, pgs, pw)\
+  gs_setcachedevice_float(penum, pgs, pw)
+int gs_setcachedevice2_float(P3(gs_show_enum *, gs_state *, const float * /*[10] */ ));
+int gs_setcachedevice2_double(P3(gs_show_enum *, gs_state *, const double * /*[10] */ ));
+
+#define gs_setcachedevice2(penum, pgs, pw2)\
+  gs_setcachedevice2_float(penum, pgs, pw2)
+int gs_setcharwidth(P4(gs_show_enum *, gs_state *, floatp, floatp));
+
+/* Return true if we only need the width from the rasterizer */
+/* and can short-circuit the full rendering of the character, */
+/* false if we need the actual character bits. */
+/* This is only meaningful just before calling gs_setcharwidth or */
+/* gs_setcachedevice[2]. */
+bool gs_show_width_only(P1(const gs_show_enum *));
+
+#endif /* gschar_INCLUDED */
diff --git a/pstoraster/gschar0.c b/pstoraster/gschar0.c
new file mode 100644
index 000000000..69f207d3c
--- /dev/null
+++ b/pstoraster/gschar0.c
@@ -0,0 +1,407 @@
+/* Copyright (C) 1991, 1992, 1993, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Composite font decoding for Ghostscript library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsfcmap.h"
+#include "gxfixed.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* for gxchar.h */
+#include "gxchar.h"
+#include "gxfont.h"
+#include "gxfont0.h"
+
+/* Stack up modal composite fonts, down to a non-modal or base font. */
+private int
+gs_stack_modal_fonts(gs_show_enum * penum)
+{
+    int fdepth = penum->fstack.depth;
+    gs_font *cfont = penum->fstack.items[fdepth].font;
+
+    while (cfont->FontType == ft_composite) {
+	gs_font_type0 *const cmfont = (gs_font_type0 *) cfont;
+
+	if (!fmap_type_is_modal(cmfont->data.FMapType))
+	    break;
+	if (fdepth == max_font_depth)
+	    return_error(gs_error_invalidfont);
+	fdepth++;
+	cfont = cmfont->data.FDepVector[cmfont->data.Encoding[0]];
+	penum->fstack.items[fdepth].font = cfont;
+	penum->fstack.items[fdepth].index = 0;
+	if_debug2('j', "[j]stacking depth=%d font=0x%lx\n",
+		  fdepth, (ulong) cfont);
+    }
+    penum->fstack.depth = fdepth;
+    return 0;
+}
+/* Initialize the composite font stack for a show enumerator. */
+int
+gs_type0_init_fstack(gs_show_enum * penum, gs_font * pfont)
+{
+    if_debug1('j', "[j]stacking depth=0 font=0x%lx\n",
+	      (ulong) pfont);
+    penum->fstack.depth = 0;
+    penum->fstack.items[0].font = pfont;
+    penum->fstack.items[0].index = 0;
+    return gs_stack_modal_fonts(penum);
+}
+
+/* Select the appropriate descendant of a font. */
+/* Uses free variables: penum. */
+/* Uses pdata, uses & updates fdepth, sets pfont. */
+#define select_descendant(pfont, pdata, fidx, fdepth)\
+  if ( fidx >= pdata->encoding_size )\
+    return_error(gs_error_rangecheck);\
+  if ( fdepth == max_font_depth )\
+    return_error(gs_error_invalidfont);\
+  pfont = pdata->FDepVector[pdata->Encoding[fidx]];\
+  if ( ++fdepth > orig_depth || pfont != penum->fstack.items[fdepth].font )\
+    penum->fstack.items[fdepth].font = pfont,\
+    changed = 1;\
+  penum->fstack.items[fdepth].index = fidx
+
+/* Get the root EscChar of a composite font, which overrides the EscChar */
+/* of descendant fonts. */
+private uint
+root_esc_char(const gs_show_enum * penum)
+{
+    return ((gs_font_type0 *) (penum->fstack.items[0].font))->data.EscChar;
+}
+
+/* Get the next character or glyph from a composite string. */
+/* If we run off the end of the string in the middle of a */
+/* multi-byte sequence, return gs_error_rangecheck. */
+/* If the string is empty, return 2. */
+/* If the current (base) font changed, return 1.  Otherwise, return 0. */
+int
+gs_type0_next_glyph(register gs_show_enum * penum, gs_char * pchr,
+		    gs_glyph * pglyph)
+{
+    const byte *str = penum->text.data.bytes;
+    const byte *p = str + penum->index;
+    const byte *end = str + penum->text.size;
+    int fdepth = penum->fstack.depth;
+    int orig_depth = fdepth;
+    gs_font *pfont;
+
+#define pfont0 ((gs_font_type0 *)pfont)
+    gs_type0_data *pdata;
+    uint fidx;
+    gs_char chr;
+    gs_glyph glyph = gs_no_glyph;
+    int changed = 0;
+
+#define need_left(n)\
+  if ( end - p < n ) return_error(gs_error_rangecheck)
+
+    /*
+     * Although the Adobe documentation doesn't say anything about this,
+     * if the root font is modal and the very first character of the
+     * string being decoded is an escape or shift character, then
+     * font selection via the escape mechanism works down from the root,
+     * rather than up from the lowest modal font.  (This was first
+     * reported by Norio Katayama, and confirmed by someone at Adobe.)
+     */
+
+    if (penum->index == 0) {
+	int idepth = 0;
+
+	pfont = penum->fstack.items[0].font;
+	for (; pfont->FontType == ft_composite;) {
+	    fmap_type fmt = (pdata = &pfont0->data)->FMapType;
+
+	    if (p == end)
+		return 2;
+	    chr = *p;
+	    switch (fmt) {
+		case fmap_escape:
+		    if (chr != root_esc_char(penum))
+			break;
+		    need_left(2);
+		    fidx = p[1];
+		    p += 2;
+		    if_debug1('j', "[j]from root: escape %d\n", fidx);
+		  rdown:select_descendant(pfont, pdata, fidx, idepth);
+		    if_debug2('j', "[j]... new depth=%d, new font=0x%lx\n",
+			      idepth, (ulong) pfont);
+		    continue;
+		case fmap_double_escape:
+		    if (chr != root_esc_char(penum))
+			break;
+		    need_left(2);
+		    fidx = p[1];
+		    p += 2;
+		    if (fidx == chr) {
+			need_left(1);
+			fidx = *p++ + 256;
+		    }
+		    if_debug1('j', "[j]from root: double escape %d\n", fidx);
+		    goto rdown;
+		case fmap_shift:
+		    if (chr == pdata->ShiftIn)
+			fidx = 0;
+		    else if (chr == pdata->ShiftOut)
+			fidx = 1;
+		    else
+			break;
+		    p++;
+		    if_debug1('j', "[j]from root: shift %d\n", fidx);
+		    goto rdown;
+		default:
+		    break;
+	    }
+	    break;
+	}
+	/* If we saw any initial escapes or shifts, */
+	/* compute a new initial base font. */
+	if (idepth != 0) {
+	    int code;
+
+	    penum->fstack.depth = idepth;
+	    code = gs_stack_modal_fonts(penum);
+	    if (code < 0)
+		return code;
+	    if (penum->fstack.depth > idepth)
+		changed = 1;
+	    orig_depth = fdepth = penum->fstack.depth;
+	}
+    }
+    /* Handle initial escapes or shifts. */
+
+  up:if (p == end)
+	return 2;
+    chr = *p;
+    while (fdepth > 0) {
+	pfont = penum->fstack.items[fdepth - 1].font;
+	pdata = &pfont0->data;
+	switch (pdata->FMapType) {
+	    default:		/* non-modal */
+		fdepth--;
+		continue;
+
+	    case fmap_escape:
+		if (chr != root_esc_char(penum))
+		    break;
+		need_left(2);
+		fidx = *++p;
+		if_debug1('j', "[j]next: escape %d\n", fidx);
+		/* Per Adobe, if we get an escape at the root, */
+		/* treat it as an ordinary character (font index). */
+		if (fidx == chr && fdepth > 1) {
+		    fdepth--;
+		    goto up;
+		}
+	      down:if (++p == end)
+		    return 2;
+		chr = *p;
+		fdepth--;
+		do {
+		    select_descendant(pfont, pdata, fidx, fdepth);
+		    if_debug3('j', "[j]down from modal: new depth=%d, index=%d, new font=0x%lx\n",
+			      fdepth, fidx, (ulong) pfont);
+		    if (pfont->FontType != ft_composite)
+			break;
+		    pdata = &pfont0->data;
+		    fidx = 0;
+		}
+		while (pdata->FMapType == fmap_escape);
+		continue;
+
+	    case fmap_double_escape:
+		if (chr != root_esc_char(penum))
+		    break;
+		need_left(2);
+		fidx = *++p;
+		if (fidx == chr) {
+		    need_left(2);
+		    fidx = *++p + 256;
+		}
+		if_debug1('j', "[j]next: double escape %d\n", fidx);
+		goto down;
+
+	    case fmap_shift:
+		if (chr == pdata->ShiftIn)
+		    fidx = 0;
+		else if (chr == pdata->ShiftOut)
+		    fidx = 1;
+		else
+		    break;
+		if_debug1('j', "[j]next: shift %d\n", fidx);
+		goto down;
+	}
+	break;
+    }
+    /* At this point, chr == *p. */
+    /* (This is important to know for CMap'ed fonts.) */
+    p++;
+
+    /*
+     * Now handle non-modal descendants.
+     * The PostScript language manual has some confusing
+     * wording about the parent supplying the "first part"
+     * of the child's decoding information; what this means
+     * is not (as one might imagine) the font index, but
+     * simply the first byte of the data.
+     */
+
+    while ((pfont = penum->fstack.items[fdepth].font)->FontType == ft_composite) {
+	pdata = &pfont0->data;
+	switch (pdata->FMapType) {
+	    default:		/* can't happen */
+		return_error(gs_error_invalidfont);
+
+	    case fmap_8_8:
+		need_left(1);
+		fidx = chr;
+		chr = *p++;
+		if_debug2('J', "[J]8/8 index=%d, char=%ld\n",
+			  fidx, chr);
+		break;
+
+	    case fmap_1_7:
+		fidx = chr >> 7;
+		chr &= 0x7f;
+		if_debug2('J', "[J]1/7 index=%d, char=%ld\n",
+			  fidx, chr);
+		break;
+
+	    case fmap_9_7:
+		need_left(1);
+		fidx = ((uint) chr << 1) + (*p >> 7);
+		chr = *p & 0x7f;
+		if_debug2('J', "[J]9/7 index=%d, char=%ld\n",
+			  fidx, chr);
+		p++;
+		break;
+
+	    case fmap_SubsVector:
+		{
+		    int width = pdata->subs_width;
+		    uint subs_count = pdata->subs_size;
+		    const byte *psv = pdata->SubsVector.data;
+
+#define subs_loop(subs_elt, width)\
+  while ( subs_count != 0 && tchr >= (schr = subs_elt) )\
+    subs_count--, tchr -= schr, psv += width;\
+  chr = tchr; p += width - 1; break
+
+		    switch (width) {
+			default:	/* can't happen */
+			    return_error(gs_error_invalidfont);
+			case 1:
+			    {
+				byte tchr = (byte) chr, schr;
+
+				subs_loop(*psv, 1);
+			    }
+			case 2:
+			    need_left(1);
+#define w2(p) (((ushort)*p << 8) + p[1])
+			    {
+				ushort tchr = ((ushort) chr << 8) + *p,
+				       schr;
+
+				subs_loop(w2(psv), 2);
+			    }
+			case 3:
+			    need_left(2);
+#define w3(p) (((ulong)*p << 16) + ((uint)p[1] << 8) + p[2])
+			    {
+				ulong tchr = ((ulong) chr << 16) + w2(p),
+				      schr;
+
+				subs_loop(w3(psv), 3);
+			    }
+			case 4:
+			    need_left(3);
+#define w4(p) (((ulong)*p << 24) + ((ulong)p[1] << 16) + ((uint)p[2] << 8) + p[3])
+			    {
+				ulong tchr = ((ulong) chr << 24) + w3(p),
+				      schr;
+
+				subs_loop(w4(psv), 4);
+			    }
+#undef w2
+#undef w3
+#undef w4
+#undef subs_loop
+		    }
+		    fidx = pdata->subs_size - subs_count;
+		    if_debug2('J', "[J]SubsVector index=%d, char=%ld\n",
+			      fidx, chr);
+		    break;
+		}
+
+	    case fmap_CMap:
+		{
+		    gs_const_string cstr;
+		    uint mindex = p - str - 1;	/* p was incremented */
+		    int code;
+
+		    cstr.data = str;
+		    cstr.size = end - str;
+		    code = gs_cmap_decode_next(pdata->CMap, &cstr, &mindex,
+					       &fidx, &chr, &glyph);
+		    if (code < 0)
+			return code;
+		    p = str + mindex;
+		    if_debug3('J', "[J]CMap returns %d, chr=0x%lx, glyph=0x%lx\n",
+			      code, (ulong) chr, (ulong) glyph);
+		    if (code == 0) {
+			if (glyph == gs_no_glyph) {
+			    glyph = gs_min_cid_glyph;
+			    if_debug0('J', "... undefined\n");
+			    goto done;
+			}
+		    } else
+			chr = (gs_char) glyph, glyph = gs_no_glyph;
+/****** RESCAN chr IF DESCENDANT IS CMAP'ED ******/
+		    break;
+		}
+
+	}
+
+	select_descendant(pfont, pdata, fidx, fdepth);
+	if_debug2('J', "... new depth=%d, new font=0x%lx\n",
+		  fdepth, (ulong) pfont);
+    }
+done:
+    *pchr = chr;
+    *pglyph = glyph;
+    /* Update the pointer into the original string, but only if */
+    /* we didn't switch over to parsing a code from a CMap. */
+    if (str == penum->text.data.bytes)
+	penum->index = p - str;
+    penum->fstack.depth = fdepth;
+    if_debug4('J', "[J]depth=%d font=0x%lx index=%d changed=%d\n",
+	      fdepth, (ulong) penum->fstack.items[fdepth].font,
+	      penum->fstack.items[fdepth].index, changed);
+    return changed;
+#undef pfont0
+}
diff --git a/pstoraster/gscie.c b/pstoraster/gscie.c
new file mode 100644
index 000000000..968b81346
--- /dev/null
+++ b/pstoraster/gscie.c
@@ -0,0 +1,1357 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CIE color rendering for Ghostscript */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gxcspace.h"
+#include "gscolor2.h"		/* for gs_set/currentcolorrendering */
+#include "gscie.h"
+#include "gxarith.h"
+#include "gxdevice.h"		/* for gxcmap.h */
+#include "gxcmap.h"
+#include "gzstate.h"
+
+/* Forward references */
+private int cie_joint_caches_init(P3(gx_cie_joint_caches *,
+				     const gs_cie_common *,
+				     gs_cie_render *));
+private void cie_joint_caches_complete(P3(gx_cie_joint_caches *,
+			     const gs_cie_common *, const gs_cie_render *));
+private void cie_cache_restrict(P2(cie_cache_floats *, const gs_range *));
+private void cie_mult3(P3(const gs_vector3 *, const gs_matrix3 *,
+			  gs_vector3 *));
+private void cie_matrix_mult3(P3(const gs_matrix3 *, const gs_matrix3 *,
+				 gs_matrix3 *));
+private void cie_invert3(P2(const gs_matrix3 *, gs_matrix3 *));
+private void cie_matrix_init(P1(gs_matrix3 *));
+
+#define set_restrict_index(i, v, n)\
+  if ( (uint)(i = (int)(v)) >= (n) )\
+    i = (i < 0 ? 0 : (n) - 1)
+#define restrict_index(v, n, itemp)\
+  ((uint)(itemp = (int)(v)) >= (n) ?\
+   (itemp < 0 ? 0 : (n) - 1) : itemp)
+
+/* Compute a cache index as (vin - base) * factor. */
+/* vin, base, factor, and the result are cie_cached_values. */
+/* We know that the result doesn't exceed (gx_cie_cache_size - 1) << fbits. */
+#define lookup_index(vin, pcache, fbits)\
+  ((vin) <= (pcache)->vecs.params.base ? 0 :\
+   (vin) >= (pcache)->vecs.params.limit ? (gx_cie_cache_size - 1) << (fbits) :\
+   cie_cached_product2int( ((vin) - (pcache)->vecs.params.base),\
+			   (pcache)->vecs.params.factor, fbits ))
+#define lookup_value(vin, pcache)\
+  ((pcache)->vecs.values[lookup_index(vin, pcache, 0)])
+
+#define if_restrict(v, range)\
+  if ( (v) < (range).rmin ) v = (range).rmin;\
+  else if ( (v) > (range).rmax ) v = (range).rmax
+
+/* Define the template for loading a cache. */
+/* If we had parameterized types, or a more flexible type system, */
+/* this could be done with a single procedure. */
+#define CIE_LOAD_CACHE_BODY(pcache, domains, rprocs, pcie, cname)\
+  BEGIN\
+	int j;\
+\
+	for (j = 0; j < countof(pcache); j++) {\
+	  int i;\
+	  gs_for_loop_params lp;\
+\
+	  gs_cie_cache_init(&(pcache)[j].floats.params, &lp,\
+			    &(domains)[j], cname);\
+	  for (i = 0; i < gx_cie_cache_size; lp.init += lp.step, i++)\
+	    pcache[j].floats.values[i] = (*(rprocs)->procs[j])(lp.init, pcie);\
+	}\
+  END
+
+/* Allocator structure types */
+private_st_joint_caches();
+
+/* ------ Default values for CIE dictionary elements ------ */
+
+/* Default transformation procedures. */
+
+private float
+a_identity(floatp in, const gs_cie_a * pcie)
+{
+    return in;
+}
+private float
+abc_identity(floatp in, const gs_cie_abc * pcie)
+{
+    return in;
+}
+private float
+def_identity(floatp in, const gs_cie_def * pcie)
+{
+    return in;
+}
+private float
+defg_identity(floatp in, const gs_cie_defg * pcie)
+{
+    return in;
+}
+private float
+common_identity(floatp in, const gs_cie_common * pcie)
+{
+    return in;
+}
+
+/* Default vectors and matrices. */
+
+const gs_range3 Range3_default = {
+    { {0, 1}, {0, 1}, {0, 1} }
+};
+const gs_range4 Range4_default = {
+    { {0, 1}, {0, 1}, {0, 1}, {0, 1} }
+};
+const gs_cie_defg_proc4 DecodeDEFG_default = {
+    {defg_identity, defg_identity, defg_identity, defg_identity}
+};
+const gs_cie_def_proc3 DecodeDEF_default = {
+    {def_identity, def_identity, def_identity}
+};
+const gs_cie_abc_proc3 DecodeABC_default = {
+    {abc_identity, abc_identity, abc_identity}
+};
+const gs_cie_common_proc3 DecodeLMN_default = {
+    {common_identity, common_identity, common_identity}
+};
+const gs_matrix3 Matrix3_default = {
+    {1, 0, 0},
+    {0, 1, 0},
+    {0, 0, 1},
+    1 /*true */
+};
+const gs_range RangeA_default = {0, 1};
+const gs_cie_a_proc DecodeA_default = a_identity;
+const gs_vector3 MatrixA_default = {1, 1, 1};
+const gs_vector3 BlackPoint_default = {0, 0, 0};
+
+/* Initialize a CIE color. */
+/* This only happens on setcolorspace. */
+void
+gx_init_CIE(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    gx_init_paint_4(pcc, pcs);
+    /* (0...) may not be within the range of allowable values. */
+    (*pcs->type->restrict_color)(pcc, pcs);
+}
+
+/* Restrict CIE colors. */
+
+#define FORCE_VALUE(pcc, i, range)\
+  if ( pcc->paint.values[i] <= range.rmin )\
+    pcc->paint.values[i] = range.rmin;\
+  else if ( pcc->paint.values[i] >= range.rmax )\
+    pcc->paint.values[i] = range.rmax
+#define FORCE_RANGE(pcc, i, erange)\
+  FORCE_VALUE(pcc, i, pcie->erange.ranges[i])
+
+void
+gx_restrict_CIEDEFG(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    const gs_cie_defg *pcie = pcs->params.defg;
+
+    FORCE_RANGE(pcc, 0, RangeDEFG);
+    FORCE_RANGE(pcc, 1, RangeDEFG);
+    FORCE_RANGE(pcc, 2, RangeDEFG);
+    FORCE_RANGE(pcc, 3, RangeDEFG);
+}
+void
+gx_restrict_CIEDEF(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    const gs_cie_def *pcie = pcs->params.def;
+
+    FORCE_RANGE(pcc, 0, RangeDEF);
+    FORCE_RANGE(pcc, 1, RangeDEF);
+    FORCE_RANGE(pcc, 2, RangeDEF);
+}
+void
+gx_restrict_CIEABC(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    const gs_cie_abc *pcie = pcs->params.abc;
+
+    FORCE_RANGE(pcc, 0, RangeABC);
+    FORCE_RANGE(pcc, 1, RangeABC);
+    FORCE_RANGE(pcc, 2, RangeABC);
+}
+void
+gx_restrict_CIEA(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    const gs_cie_a *pcie = pcs->params.a;
+
+    FORCE_VALUE(pcc, 0, pcie->RangeA);
+}
+
+#undef FORCE_VALUE
+#undef FORCE_RANGE
+
+/* ================ Table setup ================ */
+
+/* ------ Install a CIE color space ------ */
+
+private int cie_load_common_cache(P3(gs_cie_common *, gs_state *,
+				     client_name_t));
+private void cie_cache_mult(P3(gx_cie_vector_cache *, const gs_vector3 *,
+			       const cie_cache_floats *));
+private bool cie_cache_mult3(P2(gx_cie_vector_cache *,
+				const gs_matrix3 *));
+
+private int
+gx_install_cie_abc(gs_cie_abc *pcie, gs_state * pgs)
+{
+    cie_matrix_init(&pcie->MatrixABC);
+    CIE_LOAD_CACHE_BODY(pcie->caches.DecodeABC, pcie->RangeABC.ranges,
+			&pcie->DecodeABC, pcie, "DecodeABC");
+    gs_cie_abc_complete(pcie);
+    return cie_load_common_cache(&pcie->common, pgs, "gx_install_CIEABC");
+}
+
+int
+gx_install_CIEDEFG(gs_color_space * pcs, gs_state * pgs)
+{
+    gs_cie_defg *pcie = pcs->params.defg;
+
+    CIE_LOAD_CACHE_BODY(pcie->caches_defg.DecodeDEFG, pcie->RangeDEFG.ranges,
+			&pcie->DecodeDEFG, pcie, "DecodeDEFG");
+    return gx_install_cie_abc((gs_cie_abc *)pcie, pgs);
+}
+
+int
+gx_install_CIEDEF(gs_color_space * pcs, gs_state * pgs)
+{
+    gs_cie_def *pcie = pcs->params.def;
+
+    CIE_LOAD_CACHE_BODY(pcie->caches_def.DecodeDEF, pcie->RangeDEF.ranges,
+			&pcie->DecodeDEF, pcie, "DecodeDEF");
+    return gx_install_cie_abc((gs_cie_abc *)pcie, pgs);
+}
+
+int
+gx_install_CIEABC(gs_color_space * pcs, gs_state * pgs)
+{
+    return gx_install_cie_abc(pcs->params.abc, pgs);
+}
+
+int
+gx_install_CIEA(gs_color_space * pcs, gs_state * pgs)
+{
+    gs_cie_a *pcie = pcs->params.a;
+    int i;
+    gs_for_loop_params lp;
+    float in;
+
+    gs_cie_cache_init(&pcie->caches.DecodeA.floats.params, &lp,
+		      &pcie->RangeA, "DecodeA");
+    for (i = 0, in = lp.init; i < gx_cie_cache_size; in += lp.step, i++)
+	pcie->caches.DecodeA.floats.values[i] =
+	    (*pcie->DecodeA)(in, pcie);
+    gs_cie_a_complete(pcie);
+    return cie_load_common_cache(&pcie->common, pgs, "gx_install_CIEA");
+}
+
+/* Load the common caches when installing the color space. */
+private int
+cie_load_common_cache(gs_cie_common * pcie, gs_state * pgs, client_name_t cname)
+{
+    gx_cie_joint_caches *pjc;
+    int code;
+
+    cie_matrix_init(&pcie->MatrixLMN);
+    CIE_LOAD_CACHE_BODY(pcie->caches.DecodeLMN, pcie->RangeLMN.ranges,
+			&pcie->DecodeLMN, pcie, "DecodeLMN");
+    if (pgs->cie_render == 0)
+	return 0;
+    pjc = gx_currentciecaches(pgs);
+    if (pjc == 0)
+	return_error(gs_error_VMerror);
+    code = cie_joint_caches_init(pjc, pcie, pgs->cie_render);
+    if (code < 0)
+	return code;
+    cie_joint_caches_complete(pjc, pcie, pgs->cie_render);
+    return 0;
+}
+
+/* Restrict and scale the DecodeDEF[G] cache according to RangeHIJ[K]. */
+private void
+gs_cie_defx_scale(float *values, const gs_range *range)
+{
+    double scale = 255.0 / (range->rmax - range->rmin);
+    int i;
+
+    for (i = 0; i < gx_cie_cache_size; ++i) {
+	float value = values[i];
+
+	values[i] =
+	    (value <= range->rmin ? 0 :
+	     value >= range->rmax ? 255 :
+	     (value - range->rmin) * scale);
+    }
+}
+
+/* Complete loading a CIEBasedDEFG color space. */
+/* This routine is not idempotent. */
+void
+gs_cie_defg_complete(gs_cie_defg * pcie)
+{
+    int j;
+
+    for (j = 0; j < 4; ++j)
+	gs_cie_defx_scale(pcie->caches_defg.DecodeDEFG[j].floats.values,
+			  &pcie->RangeHIJK.ranges[j]);
+    gs_cie_abc_complete((gs_cie_abc *)pcie);
+}
+
+/* Complete loading a CIEBasedDEF color space. */
+/* This routine is not idempotent. */
+void
+gs_cie_def_complete(gs_cie_def * pcie)
+{
+    int j;
+
+    for (j = 0; j < 3; ++j)
+	gs_cie_defx_scale(pcie->caches_def.DecodeDEF[j].floats.values,
+			  &pcie->RangeHIJ.ranges[j]);
+    gs_cie_abc_complete((gs_cie_abc *)pcie);
+}
+
+/* Complete loading a CIEBasedABC color space. */
+/* This routine is not idempotent. */
+void
+gs_cie_abc_complete(gs_cie_abc * pcie)
+{
+    pcie->caches.skipABC =
+	cie_cache_mult3(pcie->caches.DecodeABC, &pcie->MatrixABC);
+}
+
+/* Complete loading a CIEBasedA color space. */
+/* This routine is not idempotent. */
+void
+gs_cie_a_complete(gs_cie_a * pcie)
+{
+    cie_cache_mult(&pcie->caches.DecodeA, &pcie->MatrixA,
+		   &pcie->caches.DecodeA.floats);
+}
+
+/* Convert a scalar cache to a vector cache by multiplying */
+/* the scalar values by a vector. */
+private void
+cie_cache_mult(gx_cie_vector_cache * pcache, const gs_vector3 * pvec,
+	       const cie_cache_floats * pcf)
+{
+    int i;
+    cie_vector_cache_params params;
+
+    params.is_identity = pcf->params.is_identity;
+    params.base = float2cie_cached(pcf->params.base);
+    params.factor = float2cie_cached(pcf->params.factor);
+    params.limit =
+	float2cie_cached((gx_cie_cache_size - 1) / pcf->params.factor +
+			 pcf->params.base);
+    /* Loop from top to bottom so that we don't */
+    /* overwrite elements before they're used, */
+    /* in case pcf is an alias for pcache->floats. */
+    for (i = gx_cie_cache_size; --i >= 0;) {
+	float f = pcf->values[i];
+
+	pcache->vecs.values[i].u = float2cie_cached(f * pvec->u);
+	pcache->vecs.values[i].v = float2cie_cached(f * pvec->v);
+	pcache->vecs.values[i].w = float2cie_cached(f * pvec->w);
+    }
+    pcache->vecs.params = params;
+}
+
+/* Convert 3 scalar caches to vector caches by multiplying by a matrix. */
+/* Return true iff the resulting cache is an identity transformation. */
+private bool
+cie_cache_mult3(gx_cie_vector_cache * pc /*[3] */ , const gs_matrix3 * pmat)
+{
+    cie_cache_mult(pc, &pmat->cu, &pc->floats);
+    cie_cache_mult(pc + 1, &pmat->cv, &pc[1].floats);
+    cie_cache_mult(pc + 2, &pmat->cw, &pc[2].floats);
+    return pmat->is_identity & pc[0].vecs.params.is_identity &
+	pc[1].vecs.params.is_identity & pc[2].vecs.params.is_identity;
+}
+
+/* ------ Install a rendering dictionary ------ */
+
+/* setcolorrendering */
+int
+gs_setcolorrendering(gs_state * pgs, gs_cie_render * pcrd)
+{
+    int code = gs_cie_render_complete(pcrd);
+
+    if (code < 0)
+	return code;
+    rc_assign(pgs->cie_render, pcrd, "gs_setcolorrendering");
+    /* Initialize the joint caches if needed. */
+    code = gs_cie_cs_complete(pgs, true);
+    gx_unset_dev_color(pgs);
+    return code;
+}
+
+/* currentcolorrendering */
+const gs_cie_render *
+gs_currentcolorrendering(const gs_state * pgs)
+{
+    return pgs->cie_render;
+}
+
+/* Unshare (allocating if necessary) the joint caches. */
+gx_cie_joint_caches *
+gx_currentciecaches(gs_state * pgs)
+{
+    rc_unshare_struct(pgs->cie_joint_caches, gx_cie_joint_caches,
+		      &st_joint_caches, pgs->memory,
+		      return 0, "gx_currentciecaches");
+    return pgs->cie_joint_caches;
+}
+
+/* Compute the parameters for loading a cache, setting base and factor. */
+/* This procedure is idempotent. */
+void
+gs_cie_cache_init(cie_cache_params * pcache, gs_for_loop_params * pflp,
+		  const gs_range * domain, client_name_t cname)
+{	/*
+	 * We need to map the values in the range
+	 * [domain->rmin..domain->rmax].  However, if neither rmin
+	 * nor rmax is zero and the function is non-linear,
+	 * this can lead to anomalies at zero, which is the
+	 * default value for CIE colors.  The "correct" way to
+	 * approach this is to run the mapping functions on demand,
+	 * but we don't want to deal with the complexities of the
+	 * callbacks this would involve (especially in the middle of
+	 * rendering images); instead, we adjust the range so that zero
+	 * maps precisely to a cache slot.  Define:
+	 *      a = domain->rmin;
+	 *      b = domain->rmax;
+	 *      R = b - a;
+	 *      N = gx_cie_cache_size - 1;
+	 *      f(v) = N(v-a)/R;
+	 *      x = f(0).
+	 * If x is not an integer, we can either increase b or
+	 * decrease a to make it one.  In the former case, compute:
+	 *      Kb = floor(x); R'b = N(0-a)/Kb; b' = a + R'b.
+	 * In the latter case, compute:
+	 *      Ka = ceiling(x-N); R'a = N(0-b)/Ka; a' = b - R'a.
+	 * We choose whichever method stretches the range the least,
+	 * i.e., the one whose R' value (R'a or R'b) is smaller.
+	 */
+    double a = domain->rmin, b = domain->rmax;
+    double R = b - a;
+
+#define N (gx_cie_cache_size - 1)
+    double delta;
+
+    /* Adjust the range if necessary. */
+    if (a < 0 && b >= 0) {
+	double x = -N * a / R;	/* must be > 0 */
+	double Kb = floor(x);	/* must be >= 0 */
+	double Ka = ceil(x) - N;	/* must be <= 0 */
+
+	if (Kb == 0 || (Ka != 0 && -b / Ka < -a / Kb))	/* use R'a */
+	    R = -N * b / Ka, a = b - R;
+	else			/* use R'b */
+	    R = -N * a / Kb, b = a + R;
+    }
+    delta = R / N;
+#ifdef CIE_CACHE_INTERPOLATE
+    pcache->base = a;		/* no rounding */
+#else
+    pcache->base = a - delta / 2;	/* so lookup will round */
+#endif
+    pcache->factor = (delta == 0 ? 0 : N / R);
+    if_debug4('c', "[c]cache %s 0x%lx base=%g, factor=%g\n",
+	      (const char *)cname, (ulong) pcache,
+	      pcache->base, pcache->factor);
+    pflp->init = a;
+    pflp->step = delta;
+    pflp->limit = b + delta / 2;
+}
+
+/* ------ Complete a rendering structure ------ */
+
+/*
+ * Compute the derived values in a CRD that don't involve the cached
+ * procedure values.  This procedure is idempotent.
+ */
+private void cie_transform_range3(P3(const gs_range3 *, const gs_matrix3 *,
+				     gs_range3 *));
+int
+gs_cie_render_init(gs_cie_render * pcrd)
+{
+    gs_matrix3 PQR_inverse;
+
+    if (pcrd->status >= CIE_RENDER_STATUS_INITED)
+	return 0;		/* init already done */
+    cie_matrix_init(&pcrd->MatrixLMN);
+    cie_matrix_init(&pcrd->MatrixABC);
+    cie_matrix_init(&pcrd->MatrixPQR);
+    cie_invert3(&pcrd->MatrixPQR, &PQR_inverse);
+    cie_matrix_mult3(&pcrd->MatrixLMN, &PQR_inverse,
+		     &pcrd->MatrixPQR_inverse_LMN);
+    cie_transform_range3(&pcrd->RangePQR, &pcrd->MatrixPQR_inverse_LMN,
+			 &pcrd->DomainLMN);
+    cie_transform_range3(&pcrd->RangeLMN, &pcrd->MatrixABC,
+			 &pcrd->DomainABC);
+    cie_mult3(&pcrd->points.WhitePoint, &pcrd->MatrixPQR, &pcrd->wdpqr);
+    cie_mult3(&pcrd->points.BlackPoint, &pcrd->MatrixPQR, &pcrd->bdpqr);
+    pcrd->status = CIE_RENDER_STATUS_INITED;
+    return 0;
+}
+
+/*
+ * Sample the EncodeLMN, EncodeABC, and RenderTableT CRD procedures, and
+ * load the caches.  This procedure is idempotent.
+ */
+int
+gs_cie_render_sample(gs_cie_render * pcrd)
+{
+    int code;
+
+    if (pcrd->status >= CIE_RENDER_STATUS_SAMPLED)
+	return 0;		/* sampling already done */
+    code = gs_cie_render_init(pcrd);
+    if (code < 0)
+	return code;
+    CIE_LOAD_CACHE_BODY(pcrd->caches.EncodeLMN, pcrd->DomainLMN.ranges,
+			&pcrd->EncodeLMN, pcrd, "EncodeLMN");
+    CIE_LOAD_CACHE_BODY(pcrd->caches.EncodeABC, pcrd->DomainABC.ranges,
+			&pcrd->EncodeABC, pcrd, "EncodeABC");
+    if (pcrd->RenderTable.lookup.table != 0) {
+	int i, j, m = pcrd->RenderTable.lookup.m;
+	gs_for_loop_params flp;
+
+	for (j = 0; j < m; j++)
+	    gs_cie_cache_init(&pcrd->caches.RenderTableT[j].fracs.params,
+			      &flp, &Range3_default.ranges[0],
+			      "RenderTableT");
+	/****** ASSUMES gx_cie_cache_size >= 256 ******/
+	for (i = 0; i < 256; i++)
+	    for (j = 0; j < m; j++)
+		pcrd->caches.RenderTableT[j].fracs.values[i] =
+		    (*pcrd->RenderTable.T.procs[j])((byte) i, pcrd);
+    }
+    pcrd->status = CIE_RENDER_STATUS_SAMPLED;
+    return 0;
+}
+
+/* Transform a set of ranges. */
+private void
+cie_transform_range(const gs_range3 * in, floatp mu, floatp mv, floatp mw,
+		    gs_range * out)
+{
+    float umin = mu * in->ranges[0].rmin, umax = mu * in->ranges[0].rmax;
+    float vmin = mv * in->ranges[1].rmin, vmax = mv * in->ranges[1].rmax;
+    float wmin = mw * in->ranges[2].rmin, wmax = mw * in->ranges[2].rmax;
+    float temp;
+
+    if (umin > umax)
+	temp = umin, umin = umax, umax = temp;
+    if (vmin > vmax)
+	temp = vmin, vmin = vmax, vmax = temp;
+    if (wmin > wmax)
+	temp = wmin, wmin = wmax, wmax = temp;
+    out->rmin = umin + vmin + wmin;
+    out->rmax = umax + vmax + wmax;
+}
+private void
+cie_transform_range3(const gs_range3 * in, const gs_matrix3 * mat,
+		     gs_range3 * out)
+{
+    cie_transform_range(in, mat->cu.u, mat->cv.u, mat->cw.u,
+			&out->ranges[0]);
+    cie_transform_range(in, mat->cu.v, mat->cv.v, mat->cw.v,
+			&out->ranges[1]);
+    cie_transform_range(in, mat->cu.w, mat->cv.w, mat->cw.w,
+			&out->ranges[2]);
+}
+
+/*
+ * Finish preparing a CRD for installation, by restricting and/or
+ * transforming the cached procedure values.  The actual work done by
+ * this procedure is not idempotent, but the CRD status prevents it
+ * from being done more than once.
+ */
+int
+gs_cie_render_complete(gs_cie_render * pcrd)
+{
+    int code;
+
+    if (pcrd->status >= CIE_RENDER_STATUS_COMPLETED)
+	return 0;		/* completion already done */
+    code = gs_cie_render_sample(pcrd);
+    if (code < 0)
+	return code;
+    /*
+     * Since range restriction happens immediately after
+     * the cache lookup, we can save a step by restricting
+     * the values in the cache entries.
+     *
+     * If there is no lookup table, we want the final ABC values
+     * to be fracs; if there is a table, we want them to be
+     * appropriately scaled ints.
+     */
+    pcrd->MatrixABCEncode = pcrd->MatrixABC;
+    {
+	int c;
+	double f;
+
+	for (c = 0; c < 3; c++) {
+	    gx_cie_scalar_cache *pcache = &pcrd->caches.EncodeABC[c];
+
+	    cie_cache_restrict(&pcrd->caches.EncodeLMN[c].floats,
+			       &pcrd->RangeLMN.ranges[c]);
+	    cie_cache_restrict(&pcrd->caches.EncodeABC[c].floats,
+			       &pcrd->RangeABC.ranges[c]);
+	    if (pcrd->RenderTable.lookup.table == 0) {
+		cie_cache_restrict(&pcache->floats,
+				   &Range3_default.ranges[0]);
+		gs_cie_cache_to_fracs(pcache);
+		pcache->fracs.params.is_identity = false;
+	    } else {
+		int i;
+		int n = pcrd->RenderTable.lookup.dims[c];
+
+#ifdef CIE_RENDER_TABLE_INTERPOLATE
+#  define scale_index(f, n, itemp)\
+     restrict_index(f * (1 << _cie_interpolate_bits),\
+		    (n) << _cie_interpolate_bits, itemp)
+#else
+		int m = pcrd->RenderTable.lookup.m;
+		int k =
+		(c == 0 ? 1 : c == 1 ?
+		 m * pcrd->RenderTable.lookup.dims[2] : m);
+
+#  define scale_index(f, n, itemp)\
+     (restrict_index(f, n, itemp) * k)
+#endif
+		const gs_range *prange =
+		pcrd->RangeABC.ranges + c;
+
+		/* Loop from top to bottom so that we don't */
+		/* overwrite elements before they're used. */
+		for (i = gx_cie_cache_size; --i >= 0;) {
+		    float v =
+		    (pcache->floats.values[i] -
+		     prange->rmin) * (n - 1) /
+		    (prange->rmax - prange->rmin)
+#ifndef CIE_RENDER_TABLE_INTERPOLATE
+		    + 0.5
+#endif
+		         ;
+		    int itemp;
+
+		    if_debug5('c',
+			      "[c]cache[%d][%d] = %g => %g => %d\n",
+			      c, i, pcache->floats.values[i], v,
+			      scale_index(v, n, itemp));
+		    pcache->ints.values[i] =
+			scale_index(v, n, itemp);
+		}
+		pcache->ints.params = pcache->floats.params;	/* (not necessary) */
+		pcache->ints.params.is_identity = false;
+#undef scale_index
+	    }
+	}
+	/* Fold the scaling of the EncodeABC cache index */
+	/* into MatrixABC. */
+#define mabc(i, t)\
+  f = pcrd->caches.EncodeABC[i].floats.params.factor;\
+  pcrd->MatrixABCEncode.cu.t *= f;\
+  pcrd->MatrixABCEncode.cv.t *= f;\
+  pcrd->MatrixABCEncode.cw.t *= f;\
+  pcrd->EncodeABC_base[i] =\
+    float2cie_cached(pcrd->caches.EncodeABC[i].floats.params.base * f)
+	mabc(0, u);
+	mabc(1, v);
+	mabc(2, w);
+	pcrd->MatrixABCEncode.is_identity = 0;
+    }
+#undef mabc
+    cie_cache_mult3(pcrd->caches.EncodeLMN, &pcrd->MatrixABCEncode);
+    pcrd->status = CIE_RENDER_STATUS_COMPLETED;
+    return 0;
+}
+
+/* Apply a range restriction to a cache. */
+private void
+cie_cache_restrict(cie_cache_floats * pcache, const gs_range * prange)
+{
+    int i;
+
+    for (i = 0; i < gx_cie_cache_size; i++)
+	if_restrict(pcache->values[i], *prange);
+}
+
+/* Convert a cache from floats to fracs. */
+void
+gs_cie_cache_to_fracs(gx_cie_scalar_cache * pcache)
+{
+    int i;
+
+    /* Loop from bottom to top so that we don't */
+    /* overwrite elements before they're used. */
+    for (i = 0; i < gx_cie_cache_size; ++i)
+	pcache->fracs.values[i] = float2frac(pcache->floats.values[i]);
+    pcache->fracs.params = pcache->floats.params;	/* (not necessary) */
+}
+
+/* ------ Fill in the joint cache ------ */
+
+/* If the current color space is a CIE space, or has a CIE base space, */
+/* return a pointer to the common part of the space; otherwise return 0. */
+const gs_cie_common *
+gs_cie_cs_common(gs_state * pgs)
+{
+    const gs_color_space *pcs = pgs->color_space;
+
+    do {
+        switch (pcs->type->index) {
+	case gs_color_space_index_CIEDEF:
+	    return &pcs->params.def->common;
+	case gs_color_space_index_CIEDEFG:
+	    return &pcs->params.defg->common;
+	case gs_color_space_index_CIEABC:
+	    return &pcs->params.abc->common;
+	case gs_color_space_index_CIEA:
+	    return &pcs->params.a->common;
+	default:
+            pcs = gs_cspace_base_space(pcs);
+            break;
+        }
+    } while (pcs != 0);
+
+    return 0;
+}
+
+/* Finish loading the joint caches for the current color space. */
+int
+gs_cie_cs_complete(gs_state * pgs, bool init)
+{
+    const gs_cie_common *common = gs_cie_cs_common(pgs);
+
+    if (common) {
+	if (init) {
+	    int code = cie_joint_caches_init(pgs->cie_joint_caches, common,
+					     pgs->cie_render);
+
+	    if (code < 0)
+		return code;
+	}
+	cie_joint_caches_complete(pgs->cie_joint_caches, common,
+				  pgs->cie_render);
+    }
+    return 0;
+}
+
+/*
+ * Compute the source and destination WhitePoint and BlackPoint for
+ * the TransformPQR procedure.
+ */
+int 
+gs_cie_compute_wbsd(gs_cie_wbsd * pwbsd,
+	 const gs_vector3 * cs_WhitePoint, const gs_vector3 * cs_BlackPoint,
+		    const gs_cie_render * pcrd)
+{
+    pwbsd->ws.xyz = *cs_WhitePoint;
+    cie_mult3(&pwbsd->ws.xyz, &pcrd->MatrixPQR, &pwbsd->ws.pqr);
+    pwbsd->bs.xyz = *cs_BlackPoint;
+    cie_mult3(&pwbsd->bs.xyz, &pcrd->MatrixPQR, &pwbsd->bs.pqr);
+    pwbsd->wd.xyz = pcrd->points.WhitePoint;
+    pwbsd->wd.pqr = pcrd->wdpqr;
+    pwbsd->bd.xyz = pcrd->points.BlackPoint;
+    pwbsd->bd.pqr = pcrd->bdpqr;
+    return 0;
+}
+
+/* Compute values derived from the color space and rendering parameters */
+/* other than the cached procedure values.  This routine is idempotent. */
+private int
+cie_joint_caches_init(gx_cie_joint_caches * pjc,
+		      const gs_cie_common * pcie,
+		      gs_cie_render * pcrd)
+{
+    gs_cie_compute_wbsd(&pjc->points_sd, &pcie->points.WhitePoint,
+			&pcie->points.BlackPoint, pcrd);
+    cie_matrix_mult3(&pcrd->MatrixPQR, &pcie->MatrixLMN,
+		     &pjc->MatrixLMN_PQR);
+    /* Load the TransformPQR caches. */
+    {
+	int j;
+
+	for (j = 0; j < 3; j++) {
+	    int i;
+	    gs_for_loop_params lp;
+
+	    gs_cie_cache_init(&pjc->TransformPQR[j].floats.params, &lp,
+			      &pcrd->RangePQR.ranges[j], "TransformPQR");
+	    for (i = 0; i < gx_cie_cache_size; lp.init += lp.step, i++) {
+		float out;
+		int code =
+		    (*pcrd->TransformPQR.proc)(j, lp.init, &pjc->points_sd,
+					       pcrd, &out);
+
+		if (code < 0)
+		    return code;
+		pjc->TransformPQR[j].floats.values[i] = out;
+	    }
+	}
+    }
+    return 0;
+}
+
+/* Complete the loading of the joint caches.  This routine is NOT */
+/* idempotent. */
+private void
+cie_joint_caches_complete(gx_cie_joint_caches * pjc,
+		    const gs_cie_common * pcie, const gs_cie_render * pcrd)
+{
+    int j;
+
+    for (j = 0; j < 3; j++) {
+	cie_cache_restrict(&pjc->TransformPQR[j].floats,
+			   &pcrd->RangePQR.ranges[j]);
+	cie_cache_mult(&pjc->DecodeLMN[j],
+		       &pjc->MatrixLMN_PQR.cu + j,
+		       &pcie->caches.DecodeLMN[j].floats);
+    }
+    pjc->skipLMN = pjc->MatrixLMN_PQR.is_identity &
+	pjc->DecodeLMN[0].vecs.params.is_identity &
+	pjc->DecodeLMN[1].vecs.params.is_identity &
+	pjc->DecodeLMN[2].vecs.params.is_identity;
+    pjc->skipPQR =
+	cie_cache_mult3(pjc->TransformPQR, &pcrd->MatrixPQR_inverse_LMN);
+}
+
+/* ================ Color rendering (using the caches) ================ */
+
+private int cie_remap_finish(P3(const cie_cached_vector3 *,
+				frac *, const gs_imager_state *));
+private void cie_lookup_mult3(P2(cie_cached_vector3 *,
+				 const gx_cie_vector_cache *));
+
+#ifdef DEBUG
+private void
+cie_lookup_map3(cie_cached_vector3 * pvec,
+		const gx_cie_vector_cache * pc /*[3] */ , const char *cname)
+{
+    if_debug5('c', "[c]lookup %s 0x%lx [%g %g %g]\n",
+	      (const char *)cname, (ulong) pc,
+	      cie_cached2float(pvec->u), cie_cached2float(pvec->v),
+	      cie_cached2float(pvec->w));
+    cie_lookup_mult3(pvec, pc);
+    if_debug3('c', "        =[%g %g %g]\n",
+	      cie_cached2float(pvec->u), cie_cached2float(pvec->v),
+	      cie_cached2float(pvec->w));
+}
+#else
+#  define cie_lookup_map3(pvec, pc, cname) cie_lookup_mult3(pvec, pc)
+#endif
+
+/* Render a CIEBasedDEFG color. */
+int
+gx_concretize_CIEDEFG(const gs_client_color * pc, const gs_color_space * pcs,
+		      frac * pconc, const gs_imager_state * pis)
+{
+    const gs_cie_defg *pcie = pcs->params.defg;
+    int i;
+    fixed hijk[4];
+    frac abc[3];
+    cie_cached_vector3 vec3;
+
+    if_debug4('c', "[c]concretize DEFG [%g %g %g %g]\n",
+	      pc->paint.values[0], pc->paint.values[1],
+	      pc->paint.values[2], pc->paint.values[3]);
+    /* Apply DecodeDEFG (including restriction to RangeHIJK). */
+    for (i = 0; i < 4; ++i) {
+	int tmax = pcie->Table.dims[i] - 1;
+	float value = (pc->paint.values[i] - pcie->RangeDEFG.ranges[i].rmin) *
+	    tmax /
+	    (pcie->RangeDEFG.ranges[i].rmax - pcie->RangeDEFG.ranges[i].rmin);
+	int vi = (int)value;
+	float vf = value - vi;
+	float v = pcie->caches_defg.DecodeDEFG[i].floats.values[vi];
+
+	if (vf != 0 && vi < tmax)
+	    v += vf *
+		(pcie->caches_defg.DecodeDEFG[i].floats.values[vi + 1] - v);
+	hijk[i] = float2fixed(v);
+    }
+    /* Apply Table. */
+    gx_color_interpolate_linear(hijk, &pcie->Table, abc);
+    vec3.u = float2cie_cached(frac2float(abc[0]));
+    vec3.v = float2cie_cached(frac2float(abc[1]));
+    vec3.w = float2cie_cached(frac2float(abc[2]));
+    /* Apply DecodeABC and MatrixABC. */
+    if (!pcie->caches.skipABC)
+	cie_lookup_map3(&vec3 /* ABC => LMN */, &pcie->caches.DecodeABC[0],
+			"Decode/MatrixABC");
+    cie_remap_finish(&vec3, pconc, pis);
+    return 0;
+}
+
+/* Render a CIEBasedDEF color. */
+int
+gx_concretize_CIEDEF(const gs_client_color * pc, const gs_color_space * pcs,
+		     frac * pconc, const gs_imager_state * pis)
+{
+    const gs_cie_def *pcie = pcs->params.def;
+    int i;
+    fixed hij[3];
+    frac abc[3];
+    cie_cached_vector3 vec3;
+
+    if_debug3('c', "[c]concretize DEF [%g %g %g]\n",
+	      pc->paint.values[0], pc->paint.values[1],
+	      pc->paint.values[2]);
+    /* Apply DecodeDEF (including restriction to RangeHIJ). */
+    for (i = 0; i < 3; ++i) {
+	int tmax = pcie->Table.dims[i] - 1;
+	float value = (pc->paint.values[i] - pcie->RangeDEF.ranges[i].rmin) *
+	    tmax /
+	    (pcie->RangeDEF.ranges[i].rmax - pcie->RangeDEF.ranges[i].rmin);
+	int vi = (int)value;
+	float vf = value - vi;
+	float v = pcie->caches_def.DecodeDEF[i].floats.values[vi];
+
+	if (vf != 0 && vi < tmax)
+	    v += vf *
+		(pcie->caches_def.DecodeDEF[i].floats.values[vi + 1] - v);
+	hij[i] = float2fixed(v);
+    }
+    /* Apply Table. */
+    gx_color_interpolate_linear(hij, &pcie->Table, abc);
+    vec3.u = float2cie_cached(frac2float(abc[0]));
+    vec3.v = float2cie_cached(frac2float(abc[1]));
+    vec3.w = float2cie_cached(frac2float(abc[2]));
+    /* Apply DecodeABC and MatrixABC. */
+    if (!pcie->caches.skipABC)
+	cie_lookup_map3(&vec3 /* ABC => LMN */, &pcie->caches.DecodeABC[0],
+			"Decode/MatrixABC");
+    cie_remap_finish(&vec3, pconc, pis);
+    return 0;
+}
+
+/* Render a CIEBasedABC color. */
+/* We provide both remap and concretize, but only the former */
+/* needs to be efficient. */
+int
+gx_remap_CIEABC(const gs_client_color * pc, const gs_color_space * pcs,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		gs_color_select_t select)
+{
+    frac conc[4];
+    const gs_cie_abc *pcie = pcs->params.abc;
+    cie_cached_vector3 vec3;
+
+    if_debug3('c', "[c]remap CIEABC [%g %g %g]\n",
+	      pc->paint.values[0], pc->paint.values[1],
+	      pc->paint.values[2]);
+    vec3.u = float2cie_cached(pc->paint.values[0]);
+    vec3.v = float2cie_cached(pc->paint.values[1]);
+    vec3.w = float2cie_cached(pc->paint.values[2]);
+
+    /* Apply DecodeABC and MatrixABC. */
+#define vabc vec3
+#define vlmn vec3
+    if (!pcie->caches.skipABC)
+	cie_lookup_map3(&vabc /*&vlmn */ , &pcie->caches.DecodeABC[0],
+			"Decode/MatrixABC");
+#undef vabc
+    switch (cie_remap_finish(&vlmn, conc, pis)) {
+	case 3:
+	    if_debug3('c', "[c]=RGB [%g %g %g]\n",
+		      frac2float(conc[0]), frac2float(conc[1]),
+		      frac2float(conc[2]));
+	    gx_remap_concrete_rgb(conc[0], conc[1], conc[2], pdc, pis,
+				  dev, select);
+	    return 0;
+	case 4:
+	    if_debug4('c', "[c]=CMYK [%g %g %g %g]\n",
+		      frac2float(conc[0]), frac2float(conc[1]),
+		      frac2float(conc[2]), frac2float(conc[3]));
+	    gx_remap_concrete_cmyk(conc[0], conc[1], conc[2], conc[3],
+				   pdc, pis, dev, select);
+	    return 0;
+    }
+    /* Can't happen. */
+    return_error(gs_error_unknownerror);
+#undef vlmn
+}
+int
+gx_concretize_CIEABC(const gs_client_color * pc, const gs_color_space * pcs,
+		     frac * pconc, const gs_imager_state * pis)
+{
+    const gs_cie_abc *pcie = pcs->params.abc;
+    cie_cached_vector3 vec3;
+
+    if_debug3('c', "[c]concretize CIEABC [%g %g %g]\n",
+	      pc->paint.values[0], pc->paint.values[1],
+	      pc->paint.values[2]);
+    vec3.u = float2cie_cached(pc->paint.values[0]);
+    vec3.v = float2cie_cached(pc->paint.values[1]);
+    vec3.w = float2cie_cached(pc->paint.values[2]);
+#define vabc vec3
+#define vlmn vec3
+    if (!pcie->caches.skipABC)
+	cie_lookup_map3(&vabc /*&vlmn */ , &pcie->caches.DecodeABC[0],
+			"Decode/MatrixABC");
+#undef vabc
+    cie_remap_finish(&vlmn, pconc, pis);
+#undef vlmn
+    return 0;
+}
+
+/* Render a CIEBasedA color. */
+int
+gx_concretize_CIEA(const gs_client_color * pc, const gs_color_space * pcs,
+		   frac * pconc, const gs_imager_state * pis)
+{
+    const gs_cie_a *pcie = pcs->params.a;
+    cie_cached_value a = float2cie_cached(pc->paint.values[0]);
+    cie_cached_vector3 vlmn;
+
+    if_debug1('c', "[c]concretize CIEA %g\n", pc->paint.values[0]);
+
+    /* Apply DecodeA and MatrixA. */
+    vlmn = lookup_value(a, &pcie->caches.DecodeA);
+    return cie_remap_finish(&vlmn, pconc, pis);
+}
+
+/* Common rendering code. */
+/* Return 3 if RGB, 4 if CMYK. */
+private int
+cie_remap_finish(const cie_cached_vector3 * plmn, frac * pconc,
+		 const gs_imager_state * pis)
+{
+    const gs_cie_render *pcie = pis->cie_render;
+    const gx_cie_joint_caches *pjc = pis->cie_joint_caches;
+    const gs_const_string *table;
+    cie_cached_vector3 vec3;
+    int tabc[3];		/* indices for final EncodeABC lookup */
+
+    if (pcie == 0) {		/* No rendering has been defined yet. */
+	/* Just return black. */
+	pconc[0] = pconc[1] = pconc[2] = frac_0;
+	return 3;
+    }
+    /* Apply DecodeLMN, MatrixLMN(decode), and MatrixPQR. */
+#define vlmn vec3
+    vlmn = *plmn;
+#define vpqr vec3
+    if (!pjc->skipLMN)
+	cie_lookup_map3(&vlmn /*&vpqr */ , &pjc->DecodeLMN[0],
+			"Decode/MatrixLMN+MatrixPQR");
+#undef vlmn
+
+    /* Apply TransformPQR, MatrixPQR', and MatrixLMN(encode). */
+#define vlmn vec3
+    if (!pjc->skipPQR)
+	cie_lookup_map3(&vpqr /*&vlmn */ , &pjc->TransformPQR[0],
+			"Transform/Matrix'PQR+MatrixLMN");
+#undef vpqr
+
+    /* Apply EncodeLMN and MatrixABC(encode). */
+#define vabc vec3
+    cie_lookup_map3(&vlmn /*&vabc */ , &pcie->caches.EncodeLMN[0],
+		    "EncodeLMN+MatrixABC");
+#undef vlmn
+    /* MatrixABCEncode includes the scaling of the EncodeABC */
+    /* cache index. */
+#define set_tabc(i, t)\
+  set_restrict_index(tabc[i],\
+		     cie_cached2int(vabc.t - pcie->EncodeABC_base[i],\
+				    _cie_interpolate_bits),\
+		     gx_cie_cache_size << _cie_interpolate_bits)
+    set_tabc(0, u);
+    set_tabc(1, v);
+    set_tabc(2, w);
+    table = pcie->RenderTable.lookup.table;
+    if (table == 0) {		/* No further transformation. */
+	/* The final mapping step includes both restriction to */
+	/* the range [0..1] and conversion to fracs. */
+#define eabc(i)\
+  cie_interpolate_fracs(pcie->caches.EncodeABC[i].fracs.values, tabc[i])
+	pconc[0] = eabc(0);
+	pconc[1] = eabc(1);
+	pconc[2] = eabc(2);
+#undef eabc
+	return 3;
+    } else {			/* Use the RenderTable. */
+	int m = pcie->RenderTable.lookup.m;
+
+#define rt_lookup(j, i) pcie->caches.RenderTableT[j].fracs.values[i]
+#ifdef CIE_RENDER_TABLE_INTERPOLATE
+
+	/* The final mapping step includes restriction to the */
+	/* ranges [0..dims[c]] as ints with interpolation bits. */
+	fixed rfix[3];
+
+#define eabc(i)\
+  cie_interpolate_fracs(pcie->caches.EncodeABC[i].ints.values, tabc[i])
+#define fabc(i)\
+  (eabc(i) << (_fixed_shift - _cie_interpolate_bits))
+	rfix[0] = fabc(0);
+	rfix[1] = fabc(1);
+	rfix[2] = fabc(2);
+	if_debug6('c', "[c]ABC=%g,%g,%g => iabc=%g,%g,%g\n",
+		  cie_cached2float(vabc.u), cie_cached2float(vabc.v),
+		  cie_cached2float(vabc.w), fixed2float(rfix[0]),
+		  fixed2float(rfix[1]), fixed2float(rfix[2]));
+	gx_color_interpolate_linear(rfix, &pcie->RenderTable.lookup,
+				    pconc);
+	if_debug3('c', "[c]  interpolated => %g,%g,%g\n",
+		  frac2float(pconc[0]), frac2float(pconc[1]),
+		  frac2float(pconc[2]));
+	if (!pcie->caches.RenderTableT_is_identity) {	/* Map the interpolated values. */
+#define frac2cache_index(v) frac2bits(v, gx_cie_log2_cache_size)
+	    pconc[0] = rt_lookup(0, frac2cache_index(pconc[0]));
+	    pconc[1] = rt_lookup(1, frac2cache_index(pconc[1]));
+	    pconc[2] = rt_lookup(2, frac2cache_index(pconc[2]));
+	    if (m > 3)
+		pconc[3] = rt_lookup(3, frac2cache_index(pconc[3]));
+#undef frac2cache_index
+	}
+#else /* !CIE_RENDER_TABLE_INTERPOLATE */
+
+	/* The final mapping step includes restriction to the */
+	/* ranges [0..dims[c]], plus scaling of the indices */
+	/* in the strings. */
+#define ri(i)\
+  pcie->caches.EncodeABC[i].ints.values[tabc[i] >> _cie_interpolate_bits]
+	int ia = ri(0);
+	int ib = ri(1);		/* pre-multiplied by m * NC */
+	int ic = ri(2);		/* pre-multiplied by m */
+	const byte *prtc = table[ia].data + ib + ic;
+
+	/* (*pcie->RenderTable.T)(prtc, m, pcie, pconc); */
+
+	if_debug6('c', "[c]ABC=%g,%g,%g => iabc=%d,%d,%d\n",
+		  cie_cached2float(vabc.u), cie_cached2float(vabc.v),
+		  cie_cached2float(vabc.w), ia, ib, ic);
+	if (pcie->caches.RenderTableT_is_identity) {
+	    pconc[0] = byte2frac(prtc[0]);
+	    pconc[1] = byte2frac(prtc[1]);
+	    pconc[2] = byte2frac(prtc[2]);
+	    if (m > 3)
+		pconc[3] = byte2frac(prtc[3]);
+	} else {
+#if gx_cie_log2_cache_size == 8
+#  define byte2cache_index(b) (b)
+#else
+# if gx_cie_log2_cache_size > 8
+#  define byte2cache_index(b)\
+    ( ((b) << (gx_cie_log2_cache_size - 8)) +\
+      ((b) >> (16 - gx_cie_log2_cache_size)) )
+# else				/* < 8 */
+#  define byte2cache_index(b) ((b) >> (8 - gx_cie_log2_cache_size))
+# endif
+#endif
+	    pconc[0] = rt_lookup(0, byte2cache_index(prtc[0]));
+	    pconc[1] = rt_lookup(1, byte2cache_index(prtc[1]));
+	    pconc[2] = rt_lookup(2, byte2cache_index(prtc[2]));
+	    if (m > 3)
+		pconc[3] = rt_lookup(3, byte2cache_index(prtc[3]));
+#undef byte2cache_index
+	}
+
+#endif /* !CIE_RENDER_TABLE_INTERPOLATE */
+#undef ri
+#undef rt_lookup
+	return m;
+    }
+}
+
+/* ================ Utilities ================ */
+
+#define if_debug_vector3(str, vec)\
+  if_debug4('c', "%s[%g %g %g]\n", str, vec->u, vec->v, vec->w)
+#define if_debug_matrix3(str, mat)\
+  if_debug10('c', "%s[%g %g %g / %g %g %g / %g %g %g]\n", str,\
+    mat->cu.u, mat->cu.v, mat->cu.w, mat->cv.u, mat->cv.v, mat->cv.w,\
+    mat->cw.u, mat->cw.v, mat->cw.w)
+
+/* Multiply a vector by a matrix. */
+/* Note that we are computing M * V where v is a column vector. */
+private void
+cie_mult3(const gs_vector3 * in, register const gs_matrix3 * mat,
+	  gs_vector3 * out)
+{
+    if_debug_vector3("[c]mult", in);
+    if_debug_matrix3("	*", mat);
+    {
+	float u = in->u, v = in->v, w = in->w;
+
+	out->u = (u * mat->cu.u) + (v * mat->cv.u) + (w * mat->cw.u);
+	out->v = (u * mat->cu.v) + (v * mat->cv.v) + (w * mat->cw.v);
+	out->w = (u * mat->cu.w) + (v * mat->cv.w) + (w * mat->cw.w);
+    }
+    if_debug_vector3("	=", out);
+}
+
+/* Multiply two matrices.  We assume the result is not an alias for */
+/* either of the operands.  Note that the composition of the transformations */
+/* M1 followed by M2 is M2 * M1, not M1 * M2.  (See gscie.h for details.) */
+private void
+cie_matrix_mult3(const gs_matrix3 * ma, const gs_matrix3 * mb, gs_matrix3 * mc)
+{
+    if_debug_matrix3("[c]matrix_mult", ma);
+    if_debug_matrix3("             *", mb);
+    cie_mult3(&mb->cu, ma, &mc->cu);
+    cie_mult3(&mb->cv, ma, &mc->cv);
+    cie_mult3(&mb->cw, ma, &mc->cw);
+    cie_matrix_init(mc);
+    if_debug_matrix3("             =", mc);
+}
+
+/* Invert a matrix. */
+/* The output must not be an alias for the input. */
+private void
+cie_invert3(register const gs_matrix3 * in, register gs_matrix3 * out)
+{	/* This is a brute force algorithm; maybe there are better. */
+    /* We label the array elements */
+    /*   [ A B C ]   */
+    /*   [ D E F ]   */
+    /*   [ G H I ]   */
+#define A cu.u
+#define B cv.u
+#define C cw.u
+#define D cu.v
+#define E cv.v
+#define F cw.v
+#define G cu.w
+#define H cv.w
+#define I cw.w
+    double coA = in->E * in->I - in->F * in->H;
+    double coB = in->F * in->G - in->D * in->I;
+    double coC = in->D * in->H - in->E * in->G;
+    double det = in->A * coA + in->B * coB + in->C * coC;
+
+    if_debug_matrix3("[c]invert", in);
+    out->A = coA / det;
+    out->D = coB / det;
+    out->G = coC / det;
+    out->B = (in->C * in->H - in->B * in->I) / det;
+    out->E = (in->A * in->I - in->C * in->G) / det;
+    out->H = (in->B * in->G - in->A * in->H) / det;
+    out->C = (in->B * in->F - in->C * in->E) / det;
+    out->F = (in->C * in->D - in->A * in->F) / det;
+    out->I = (in->A * in->E - in->B * in->D) / det;
+    if_debug_matrix3("        =", out);
+#undef A
+#undef B
+#undef C
+#undef D
+#undef E
+#undef F
+#undef G
+#undef H
+#undef I
+    out->is_identity = in->is_identity;
+}
+
+/* Look up 3 values in a cache, with cached post-multiplication. */
+private void
+cie_lookup_mult3(cie_cached_vector3 * pvec, const gx_cie_vector_cache * pc /*[3] */ )
+{
+/****** Interpolating at intermediate stages doesn't seem to ******/
+/****** make things better, and slows things down, so....    ******/
+#ifdef CIE_INTERPOLATE_INTERMEDIATE
+    /* Interpolate between adjacent cache entries. */
+    /* This is expensive! */
+#ifdef CIE_CACHE_USE_FIXED
+#  define lookup_interpolate_between(v0, v1, i, ftemp)\
+     cie_interpolate_between(v0, v1, i)
+#else
+    float ftu, ftv, ftw;
+
+#  define lookup_interpolate_between(v0, v1, i, ftemp)\
+     ((v0) + ((v1) - (v0)) *\
+      ((ftemp = float_rshift(i, _cie_interpolate_bits)), ftemp - (int)ftemp))
+#endif
+
+    cie_cached_value iu =
+    lookup_index(pvec->u, pc, _cie_interpolate_bits);
+    const cie_cached_vector3 *pu =
+    &pc[0].vecs.values[(int)cie_cached_rshift(iu,
+					      _cie_interpolate_bits)];
+    const cie_cached_vector3 *pu1 =
+    (iu >= (gx_cie_cache_size - 1) << _cie_interpolate_bits ?
+     pu : pu + 1);
+
+    cie_cached_value iv =
+    lookup_index(pvec->v, pc + 1, _cie_interpolate_bits);
+    const cie_cached_vector3 *pv =
+    &pc[1].vecs.values[(int)cie_cached_rshift(iv,
+					      _cie_interpolate_bits)];
+    const cie_cached_vector3 *pv1 =
+    (iv >= (gx_cie_cache_size - 1) << _cie_interpolate_bits ?
+     pv : pv + 1);
+
+    cie_cached_value iw =
+    lookup_index(pvec->w, pc + 2, _cie_interpolate_bits);
+    const cie_cached_vector3 *pw =
+    &pc[2].vecs.values[(int)cie_cached_rshift(iw,
+					      _cie_interpolate_bits)];
+    const cie_cached_vector3 *pw1 =
+    (iw >= (gx_cie_cache_size - 1) << _cie_interpolate_bits ?
+     pw : pw + 1);
+
+    pvec->u = lookup_interpolate_between(pu->u, pu1->u, iu, ftu) +
+	lookup_interpolate_between(pv->u, pv1->u, iv, ftv) +
+	lookup_interpolate_between(pw->u, pw1->u, iw, ftw);
+    pvec->v = lookup_interpolate_between(pu->v, pu1->v, iu, ftu) +
+	lookup_interpolate_between(pv->v, pv1->v, iv, ftv) +
+	lookup_interpolate_between(pw->v, pw1->v, iw, ftw);
+    pvec->w = lookup_interpolate_between(pu->w, pu1->w, iu, ftu) +
+	lookup_interpolate_between(pv->w, pv1->w, iv, ftv) +
+	lookup_interpolate_between(pw->w, pw1->w, iw, ftw);
+#else
+    const cie_cached_vector3 *pu = &lookup_value(pvec->u, pc);
+    const cie_cached_vector3 *pv = &lookup_value(pvec->v, pc + 1);
+    const cie_cached_vector3 *pw = &lookup_value(pvec->w, pc + 2);
+
+    pvec->u = pu->u + pv->u + pw->u;
+    pvec->v = pu->v + pv->v + pw->v;
+    pvec->w = pu->w + pv->w + pw->w;
+#endif
+}
+
+/* Set the is_identity flag that accelerates multiplication. */
+private void
+cie_matrix_init(register gs_matrix3 * mat)
+{
+    mat->is_identity =
+	mat->cu.u == 1.0 && is_fzero2(mat->cu.v, mat->cu.w) &&
+	mat->cv.v == 1.0 && is_fzero2(mat->cv.u, mat->cv.w) &&
+	mat->cw.w == 1.0 && is_fzero2(mat->cw.u, mat->cw.v);
+}
diff --git a/pstoraster/gscie.h b/pstoraster/gscie.h
new file mode 100644
index 000000000..8b8e3b736
--- /dev/null
+++ b/pstoraster/gscie.h
@@ -0,0 +1,688 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Structures for CIE color algorithms */
+/* (requires gscspace.h, gscolor2.h) */
+
+#ifndef gscie_INCLUDED
+#  define gscie_INCLUDED
+
+#include "gsrefct.h"
+#include "gsstruct.h"		/* for extern_st */
+#include "gxctable.h"
+
+/* ---------------- Configuration parameters ---------------- */
+
+/* Define the size of the Encode/Decode/Transform procedure value caches. */
+/* With the current design, these caches must all have the same size. */
+#ifndef CIE_LOG2_CACHE_SIZE
+#  define CIE_LOG2_CACHE_SIZE 9
+#endif
+
+/* Define whether to use fixed- or floating-point values in the caches. */
+/*#define CIE_CACHE_USE_FIXED */
+
+/* If we are using fixed-point values, define the number of fraction bits. */
+#define CIE_FIXED_FRACTION_BITS 12
+
+/* Define whether to interpolate between cached values. */
+#define CIE_CACHE_INTERPOLATE
+
+/* Define whether to interpolate at all intermediate lookup steps. */
+/* This is computationally expensive and doesn't seem to improve */
+/* the accuracy of the result. */
+/*#define CIE_INTERPOLATE_INTERMEDIATE */
+
+/* Define whether to interpolate in the RenderTable. */
+/* This is computationally very expensive, so it is normally disabled. */
+#define CIE_RENDER_TABLE_INTERPOLATE
+
+/* ------ Derived values ------ */
+
+/* from CIE_LOG2_CACHE_SIZE */
+#define gx_cie_log2_cache_size CIE_LOG2_CACHE_SIZE
+#define gx_cie_cache_size (1 << gx_cie_log2_cache_size)
+
+/* From CIE_FIXED_FRACTION_BITS 12 */
+#ifndef CIE_FIXED_FRACTION_BITS
+/* Take as many bits as we can without having to multiply in two pieces. */
+#  define CIE_FIXED_FRACTION_BITS\
+     ((arch_sizeof_long * 8 - gx_cie_log2_cache_size) / 2 - 1)
+#endif
+
+/* From CIE_RENDER_TABLE_INTERPOLATE */
+#ifdef CIE_RENDER_TABLE_INTERPOLATE
+#  define CIE_CACHE_INTERPOLATE
+#endif
+
+#define float_lshift(v, nb) ((v) * (1L << (nb)))
+#define float_rshift(v, nb) ((v) * (1.0 / (1L << (nb))))
+
+#ifdef CIE_CACHE_INTERPOLATE
+/* We have to have room for both a cache index and the interpolation bits */
+/* in a positive int (i.e., leaving 1 bit for the sign), plus a little slop. */
+/* The values for interpolation are cie_cached_values by default. */
+#  define _cie_interpolate_bits\
+     min(arch_sizeof_int * 8 - gx_cie_log2_cache_size - 2, 10)
+#  define _cix(i) ((i) >> _cie_interpolate_bits)
+#  define _cif(i) ((int)(i) & ((1 << _cie_interpolate_bits) - 1))
+#  define cie_interpolate_between(v0, v1, i)\
+     ((v0) + cie_cached_rshift(((v1) - (v0)) * _cif(i) +\
+			        (1 << (_cie_interpolate_bits - 1)),\
+			       _cie_interpolate_bits))
+#  define cie_interpolate(p, i)\
+     cie_interpolate_between((p)[_cix(i)], (p)[_cix(i) + 1], i)
+#  define cie_interpolate_fracs(p, i)\
+     ((p)[_cix(i)] + (frac)arith_rshift((long)((p)[_cix(i) + 1] - (p)[_cix(i)]) * _cif(i), _cie_interpolate_bits))
+#else
+#  define _cie_interpolate_bits 0
+#  define cie_interpolate_between(v0, v1, i) (v0)
+#  define cie_interpolate(p, i) ((p)[i])
+#  define cie_interpolate_fracs(p, i) ((p)[i])
+#endif
+
+#ifdef CIE_CACHE_USE_FIXED
+typedef long cie_cached_value;
+
+#  define _cie_fixed_shift CIE_FIXED_FRACTION_BITS
+#  define float2cie_cached(v)\
+     ((cie_cached_value)float_lshift(v, _cie_fixed_shift))
+#  define cie_cached2float(v)\
+     float_rshift(v, _cie_fixed_shift)
+#  define cie_cached2int(v, fbits)\
+     arith_rshift(v, _cie_fixed_shift - (fbits))
+/* We are multiplying two cie_cached_values to produce a result that */
+/* lies between 0 and gx_cie_cache_size - 1.  If the intermediate result */
+/* might overflow, compute it in pieces (being a little sloppy). */
+#  define _cie_product_excess_bits\
+     (_cie_fixed_shift * 2 + gx_cie_log2_cache_size - (arch_sizeof_long * 8 - 1))
+#  define cie_cached_product2int(v, factor, fbits)\
+     (_cie_product_excess_bits > 0 ?\
+      arith_rshift( (v) * arith_rshift(factor, _cie_product_excess_bits) +\
+		    arith_rshift(v, _cie_product_excess_bits) *\
+		     ((factor) & ((1 << _cie_product_excess_bits) - 1)),\
+		    _cie_fixed_shift * 2 - _cie_product_excess_bits - (fbits)) :\
+      arith_rshift((v) * (factor), _cie_fixed_shift * 2 - (fbits)))
+#  define cie_cached_rshift(v, n) arith_rshift(v, n)
+#else
+typedef float cie_cached_value;
+#  define float2cie_cached(v) (v)
+#  define cie_cached2float(v) (v)
+#  define cie_cached2int(v, fbits)\
+     ((int)float_lshift(v, fbits))
+#  define cie_cached_product2int(v, factor, fbits)\
+     ((int)float_lshift((v) * (factor), fbits))
+#  define cie_cached_rshift(v, n) float_rshift(v, n)
+#endif
+
+/* ---------------- Structures ---------------- */
+
+#ifndef gs_cie_render_DEFINED
+#  define gs_cie_render_DEFINED
+typedef struct gs_cie_render_s gs_cie_render;
+#endif
+
+/* ------ Common definitions ------ */
+
+/*
+ * For the purposes of the CIE routines, we consider that all the vectors
+ * are column vectors, that the matrices are specified in column order
+ * (e.g., the matrix
+ *      [ A B C ]
+ *      [ D E F ]
+ *      [ G H I ]
+ * is represented as [A D G B E H C F I]), and that to transform a vector
+ * V by a matrix M, we compute M * V to produce another column vector.
+ * Note in particular that in order to produce a matrix M that is
+ * equivalent to transforming by M1 and then by M2, we must compute
+ * M = M2 * M1.
+ */
+
+/* A 3-element vector. */
+typedef struct gs_vector3_s {
+    float u, v, w;
+} gs_vector3;
+
+/* A 3x3 matrix, stored in column order. */
+typedef struct gs_matrix3_s {
+    gs_vector3 cu, cv, cw;
+    bool is_identity;
+} gs_matrix3;
+
+/* 3- and 4-element vectors of ranges. */
+typedef struct gs_range_s {
+    float rmin, rmax;
+} gs_range;
+typedef struct gs_range3_s {
+    gs_range ranges[3];
+} gs_range3;
+typedef struct gs_range4_s {
+    gs_range ranges[4];
+} gs_range4;
+
+/* Client-supplied transformation procedures. */
+typedef struct gs_cie_common_s gs_cie_common;
+typedef struct gs_cie_wbsd_s gs_cie_wbsd;
+
+typedef float (*gs_cie_a_proc) (P2(floatp, const gs_cie_a *));
+
+typedef float (*gs_cie_abc_proc) (P2(floatp, const gs_cie_abc *));
+typedef struct gs_cie_abc_proc3_s {
+    gs_cie_abc_proc procs[3];
+} gs_cie_abc_proc3;
+
+typedef float (*gs_cie_def_proc) (P2(floatp, const gs_cie_def *));
+typedef struct gs_cie_def_proc3_s {
+    gs_cie_def_proc procs[3];
+} gs_cie_def_proc3;
+
+typedef float (*gs_cie_defg_proc) (P2(floatp, const gs_cie_defg *));
+typedef struct gs_cie_defg_proc4_s {
+    gs_cie_defg_proc procs[4];
+} gs_cie_defg_proc4;
+
+typedef float (*gs_cie_common_proc) (P2(floatp, const gs_cie_common *));
+typedef struct gs_cie_common_proc3_s {
+    gs_cie_common_proc procs[3];
+} gs_cie_common_proc3;
+
+typedef float (*gs_cie_render_proc) (P2(floatp, const gs_cie_render *));
+typedef struct gs_cie_render_proc3_s {
+    gs_cie_render_proc procs[3];
+} gs_cie_render_proc3;
+
+/*
+ * The TransformPQR procedure depends on both the color space and the
+ * CRD, so we can't simply pass it through the band list as a table of
+ * sampled values, even though such a table exists as part of an
+ * internal cache.  Instead, we use two different approaches.  The
+ * graphics library knows that the cache must be reloaded whenever the
+ * color space or CRD changes, so we can simply transmit the cached
+ * values through the band list whenever this occurs.  However, this
+ * still leaves the issue of how to represent the procedure in the CRD
+ * per se: such a representation is required in order for
+ * currentcolorrendering and setcolorrendering to work.  For this
+ * purpose, we provide a procedure name and procedure data, which
+ * drivers can supply with their default CRDs; the driver must also be
+ * prepared to map the procedure name back to an actual set of
+ * procedures.
+ *
+ * To simplify the driver-provided CRD machinery, we define TransformPQR as
+ * a single procedure taking an integer that specifies the component number,
+ * rather than an array of procedures.  Note that if proc_name != 0,
+ * proc is irrelevant -- the driver will provide it by looking up proc_name.
+ * For this reason, the last argument of TransformPQR must be writable.
+ * Note also that since TransformPQR can fail (if the driver doesn't
+ * recognize the proc_name), it must return a failure code.
+ */
+typedef int (*gs_cie_transform_proc)(P5(int, floatp, const gs_cie_wbsd *,
+					gs_cie_render *, float *));
+typedef struct gs_cie_transform_proc3_s {
+    gs_cie_transform_proc proc;
+    const char *proc_name;
+    gs_const_string proc_data;
+    const char *driver_name;	/* for mapping proc_name back to procs */
+} gs_cie_transform_proc3;
+
+typedef frac(*gs_cie_render_table_proc) (P2(byte, const gs_cie_render *));
+typedef struct gs_cie_render_table_procs_s {
+    gs_cie_render_table_proc procs[4];
+} gs_cie_render_table_procs;
+
+/* CIE white and black points. */
+typedef struct gs_cie_wb_s {
+    gs_vector3 WhitePoint;
+    gs_vector3 BlackPoint;
+} gs_cie_wb;
+
+/* ------ Caches ------ */
+
+/*
+ * Given that all the client-supplied procedures involved in CIE color
+ * mapping and rendering are monotonic, and given that we can determine
+ * the minimum and maximum input values for them, we can cache their values.
+ * This takes quite a lot of space, but eliminates the need for callbacks
+ * deep in the graphics code (particularly the image operator).
+ *
+ * The procedures, and how we determine their domains, are as follows:
+
+ Stage          Name            Domain determination
+ -----          ----            --------------------
+ pre-decode     DecodeDEF       RangeDEF
+ pre-decode     DecodeDEFG      RangeDEFG
+ color space    DecodeA         RangeA
+ color space    DecodeABC       RangeABC
+ color space    DecodeLMN       RangeLMN
+ rendering      TransformPQR    RangePQR
+ (but depends on color space White/BlackPoints)
+ rendering      EncodeLMN       RangePQR transformed by the inverse of
+				MatrixPQR and then by MatrixLMN
+ rendering      EncodeABC       RangeLMN transformed by MatrixABC
+ rendering      RenderTable.T   [0..1]*m
+
+ * Note that we can mostly cache the results of the color space procedures
+ * without knowing the color rendering parameters, and vice versa,
+ * because of the range parameters supplied in the dictionaries.
+ * Unfortunately, TransformPQR is an exception.
+ */
+/*
+ * The index into a cache is (value - base) * factor, where
+ * factor is computed as (cie_cache_size - 1) / (rmax - rmin).
+ */
+/*
+ * We have two kinds of caches: ordinary caches, where each value is
+ * a scalar, and vector caches, where each value is a gs_cached_vector3.
+ * The latter allow us to pre-multiply the values by one column of
+ * a gs_matrix3, avoiding multiplications at lookup time.
+ * Since we sometimes alias the two types of caches for access to
+ * the floats, values must come last.
+ */
+typedef struct cie_cache_params_s {
+    bool is_identity;		/* must come first */
+    float base, factor;
+} cie_cache_params;
+typedef struct cie_cache_floats_s {
+    cie_cache_params params;
+    float values[gx_cie_cache_size];
+} cie_cache_floats;
+typedef struct cie_cache_fracs_s {
+    cie_cache_params params;
+    frac values[gx_cie_cache_size];
+} cie_cache_fracs;
+typedef struct cie_cache_ints_s {
+    cie_cache_params params;
+    int values[gx_cie_cache_size];
+} cie_cache_ints;
+typedef union gx_cie_scalar_cache_s {
+    cie_cache_floats floats;
+    cie_cache_fracs fracs;
+    cie_cache_ints ints;
+} gx_cie_scalar_cache;
+
+typedef struct cie_cached_vector3_s {
+    cie_cached_value u, v, w;
+} cie_cached_vector3;
+typedef struct cie_vector_cache_params_s {
+    bool is_identity;		/* must come first */
+    cie_cached_value base, factor, limit;
+} cie_vector_cache_params;
+typedef struct cie_cache_vectors_s {
+    cie_vector_cache_params params;	/* must come first for is_identity */
+    cie_cached_vector3 values[gx_cie_cache_size];
+} cie_cache_vectors;
+typedef union gx_cie_vector_cache_s {
+    cie_cache_floats floats;
+    cie_cache_vectors vecs;
+} gx_cie_vector_cache;
+
+/* ------ Color space dictionaries ------ */
+
+/* Elements common to all CIE color space dictionaries. */
+struct gs_cie_common_s {
+    int (*install_cspace) (P2(gs_color_space *, gs_state *));
+    void *client_data;
+    gs_range3 RangeLMN;
+    gs_cie_common_proc3 DecodeLMN;
+    gs_matrix3 MatrixLMN;
+    gs_cie_wb points;
+    /* Following are computed when structure is initialized. */
+    struct {
+	gx_cie_scalar_cache DecodeLMN[3];
+    } caches;
+};
+
+#define private_st_cie_common()     /* in gscscie.c */\
+  gs_private_st_ptrs1(st_cie_common, gs_cie_common, "gs_cie_common",\
+		      cie_common_enum_ptrs, cie_common_reloc_ptrs, client_data)
+
+#define gs_cie_common_elements\
+	gs_cie_common common;		/* must be first */\
+	rc_header rc
+typedef struct gs_cie_common_elements_s {
+    gs_cie_common_elements;
+} gs_cie_common_elements_t;
+
+#define private_st_cie_common_elements() /* in gscscie.c */ \
+  gs_private_st_suffix_add0_local(st_cie_common_elements_t,\
+				  gs_cie_common_elements_t,\
+				  "gs_cie_common_elements_t",\
+				  cie_common_enum_ptrs,\
+				  cie_common_reloc_ptrs,\
+				  st_cie_common)
+
+/* A CIEBasedA dictionary. */
+struct gs_cie_a_s {
+    gs_cie_common_elements;	/* must be first */
+    gs_range RangeA;
+    gs_cie_a_proc DecodeA;
+    gs_vector3 MatrixA;
+    /* Following are computed when structure is initialized. */
+    struct {
+	gx_cie_vector_cache DecodeA;	/* mult. by MatrixA */
+    } caches;
+};
+
+#define private_st_cie_a()	/* in gscscie.c */\
+  gs_private_st_suffix_add0_local(st_cie_a, gs_cie_a, "gs_cie_a",\
+				  cie_common_enum_ptrs,\
+				  cie_common_reloc_ptrs,\
+				  st_cie_common_elements_t)
+
+/* Common elements for CIEBasedABC, DEF, and DEFG dictionaries. */
+#define gs_cie_abc_elements\
+	gs_cie_common_elements;		/* must be first */\
+	gs_range3 RangeABC;\
+	gs_cie_abc_proc3 DecodeABC;\
+	gs_matrix3 MatrixABC;\
+		/* Following are computed when structure is initialized. */\
+	struct {\
+		bool skipABC;\
+		gx_cie_vector_cache DecodeABC[3];  /* mult. by MatrixABC */\
+	} caches
+
+/* A CIEBasedABC dictionary. */
+struct gs_cie_abc_s {
+    gs_cie_abc_elements;
+};
+
+#define private_st_cie_abc()	/* in gscscie.c */\
+  gs_private_st_suffix_add0_local(st_cie_abc, gs_cie_abc, "gs_cie_abc",\
+				  cie_common_enum_ptrs, cie_common_reloc_ptrs,\
+				  st_cie_common_elements_t)
+
+/* A CIEBasedDEF dictionary. */
+struct gs_cie_def_s {
+    gs_cie_abc_elements;	/* must be first */
+    gs_range3 RangeDEF;
+    gs_cie_def_proc3 DecodeDEF;
+    gs_range3 RangeHIJ;
+    gx_color_lookup_table Table;	/* [NH][NI * NJ * 3] */
+    struct {
+	gx_cie_scalar_cache DecodeDEF[3];
+    } caches_def;
+};
+
+#define private_st_cie_def()	/* in gscscie.c */\
+  gs_private_st_suffix_add1(st_cie_def, gs_cie_def, "gs_cie_def",\
+                            cie_def_enum_ptrs, cie_def_reloc_ptrs,\
+                            st_cie_abc, Table.table)
+
+/* A CIEBasedDEFG dictionary. */
+struct gs_cie_defg_s {
+    gs_cie_abc_elements;
+    gs_range4 RangeDEFG;
+    gs_cie_defg_proc4 DecodeDEFG;
+    gs_range4 RangeHIJK;
+    gx_color_lookup_table Table;	/* [NH * NI][NJ * NK * 3] */
+    struct {
+	gx_cie_scalar_cache DecodeDEFG[4];
+    } caches_defg;
+};
+
+#define private_st_cie_defg()	/* in gscscie.c */\
+  gs_private_st_suffix_add1(st_cie_defg, gs_cie_defg, "gs_cie_defg",\
+			    cie_defg_enum_ptrs, cie_defg_reloc_ptrs,\
+			    st_cie_abc, Table.table)
+
+/*
+ * Default values for components.  Note that for some components, there are
+ * two sets of default procedures: _default (identity procedures) and
+ * _from_cache (procedures that just return the cached values).  Currently
+ * we only provide the latter for the Encode elements of the CRD.
+ */
+extern const gs_range3 Range3_default;
+extern const gs_range4 Range4_default;
+extern const gs_cie_defg_proc4 DecodeDEFG_default;
+extern const gs_cie_def_proc3 DecodeDEF_default;
+extern const gs_cie_abc_proc3 DecodeABC_default;
+extern const gs_cie_common_proc3 DecodeLMN_default;
+extern const gs_matrix3 Matrix3_default;
+extern const gs_range RangeA_default;
+extern const gs_cie_a_proc DecodeA_default;
+extern const gs_vector3 MatrixA_default;
+extern const gs_vector3 BlackPoint_default;
+extern const gs_cie_render_proc3 Encode_default;
+extern const gs_cie_render_proc3 EncodeLMN_from_cache;
+extern const gs_cie_render_proc3 EncodeABC_from_cache;
+extern const gs_cie_transform_proc3 TransformPQR_default;
+extern const gs_cie_transform_proc TransformPQR_lookup_proc_name;
+extern const gs_cie_render_table_procs RenderTableT_default;
+extern const gs_cie_render_table_procs RenderTableT_from_cache;
+
+/* ------ Rendering dictionaries ------ */
+
+struct gs_cie_wbsd_s {
+    struct {
+	gs_vector3 xyz, pqr;
+    } ws, bs, wd, bd;
+};
+typedef struct gs_cie_render_table_s {
+    /*
+     * If lookup.table == 0, the other members (of both lookup and T) are
+     * not set.  If not 0, lookup.table points to an array of
+     * st_const_string_elements.
+     */
+    gx_color_lookup_table lookup;
+    gs_cie_render_table_procs T;
+} gs_cie_render_table_t;
+typedef enum {
+    CIE_RENDER_STATUS_BUILT,
+    CIE_RENDER_STATUS_INITED,
+    CIE_RENDER_STATUS_SAMPLED,
+    CIE_RENDER_STATUS_COMPLETED
+} cie_render_status_t;
+
+/* The main dictionary */
+struct gs_cie_render_s {
+    cie_render_status_t status;
+    rc_header rc;
+    void *client_data;
+    gs_cie_wb points;
+    gs_matrix3 MatrixPQR;
+    gs_range3 RangePQR;
+    gs_cie_transform_proc3 TransformPQR;
+    gs_matrix3 MatrixLMN;
+    gs_cie_render_proc3 EncodeLMN;
+    gs_range3 RangeLMN;
+    gs_matrix3 MatrixABC;
+    gs_cie_render_proc3 EncodeABC;
+    gs_range3 RangeABC;
+    gs_cie_render_table_t RenderTable;
+    /* Following are computed when structure is initialized. */
+    gs_range3 DomainLMN;
+    gs_range3 DomainABC;
+    gs_matrix3 MatrixABCEncode;
+    cie_cached_value EncodeABC_base[3];
+    gs_matrix3 MatrixPQR_inverse_LMN;
+    gs_vector3 wdpqr, bdpqr;
+    struct {
+	gx_cie_vector_cache EncodeLMN[3];	/* mult. by M'ABCEncode */
+	gx_cie_scalar_cache EncodeABC[3];
+	gx_cie_scalar_cache RenderTableT[4];
+	bool RenderTableT_is_identity;
+    } caches;
+};
+
+/* The CRD type is public only for a type test in zcrd.c. */
+extern_st(st_cie_render1);
+#define public_st_cie_render1()	/* in gscrd.c */\
+  gs_public_st_composite(st_cie_render1, gs_cie_render, "gs_cie_render",\
+			 cie_render1_enum_ptrs, cie_render1_reloc_ptrs)
+
+/* ------ Joint caches ------ */
+
+/* This cache depends on both the color space and the rendering */
+/* dictionary -- see above. */
+
+typedef struct gx_cie_joint_caches_s {
+    rc_header rc;
+    bool skipLMN;
+    gx_cie_vector_cache DecodeLMN[3];	/* mult. by dLMN_PQR */
+    gs_cie_wbsd points_sd;
+    gs_matrix3 MatrixLMN_PQR;
+    bool skipPQR;
+    gx_cie_vector_cache TransformPQR[3];	/* mult. by PQR_inverse_LMN */
+} gx_cie_joint_caches;
+
+#define private_st_joint_caches() /* in gscie.c */\
+  gs_private_st_simple(st_joint_caches, gx_cie_joint_caches,\
+    "gx_cie_joint_caches")
+
+/* ------ Internal procedures ------ */
+
+typedef struct gs_for_loop_params_s {
+    float init, step, limit;
+} gs_for_loop_params;
+void gs_cie_cache_init(P4(cie_cache_params *, gs_for_loop_params *,
+			  const gs_range *, client_name_t));
+void gs_cie_cache_to_fracs(P1(gx_cie_scalar_cache *));
+void gs_cie_defg_complete(P1(gs_cie_defg *));
+void gs_cie_def_complete(P1(gs_cie_def *));
+void gs_cie_abc_complete(P1(gs_cie_abc *));
+void gs_cie_a_complete(P1(gs_cie_a *));
+gx_cie_joint_caches *gx_currentciecaches(P1(gs_state *));
+const gs_cie_common *gs_cie_cs_common(P1(gs_state *));
+int gs_cie_cs_complete(P2(gs_state *, bool));
+
+/*
+ * Compute the source and destination WhitePoint and BlackPoint for
+ * the TransformPQR procedure.
+ */
+int gs_cie_compute_wbsd(P4(gs_cie_wbsd * pwbsd,
+			   const gs_vector3 * cs_WhitePoint,
+			   const gs_vector3 * cs_BlackPoint,
+			   const gs_cie_render * pcrd));
+
+/*
+ * Compute the derived values in a CRD that don't involve the cached
+ * procedure values, moving the CRD from "built" to "inited" status.
+ * If the CRD is already in "inited" or a later status, do nothing.
+ */
+int gs_cie_render_init(P1(gs_cie_render *));
+
+/*
+ * Sample the EncodeLMN, EncodeABC, and RenderTableT CRD procedures, and
+ * load the caches, moving the CRD from "inited" to "sampled" status.
+ * If the CRD is already in "sampled" or a later status, do nothing;
+ * otherwise, if the CRD is not in "inited" status, return an error.
+ */
+int gs_cie_render_sample(P1(gs_cie_render *));
+
+/*
+ * Finish preparing a CRD for installation, by restricting and/or
+ * transforming the cached procedure values, moving the CRD from "sampled"
+ * to "completed" status.  If the CRD is already in "completed" status, do
+ * nothing; otherwise, if the CRD is not in "sampled" status, return an
+ * error.
+ */
+int gs_cie_render_complete(P1(gs_cie_render *));
+
+/* ---------------- Procedures ---------------- */
+
+/* ------ Constructors ------ */
+
+/*
+ * Note that these procedures take a client_data pointer as an operand. The
+ * client is responsible for allocating and deleting this object; the
+ * color space machinery does not take ownership of it.
+ *
+ * Note that these procedures set the reference count of the (large)
+ * parameter structures to 1, not 0.  gs_setcolorspace will increment
+ * the reference count again, so unless you want the parameter structures
+ * to stay allocated permanently (or until a garbage collection),
+ * you should call cs_adjust_count(pcspace, -1).  THIS IS A BUG IN THE API.
+ */
+extern int
+    gs_cspace_build_CIEA(P3(gs_color_space ** ppcspace, void *client_data,
+			    gs_memory_t * pmem)),
+    gs_cspace_build_CIEABC(P3(gs_color_space ** ppcspace, void *client_data,
+			      gs_memory_t * pmem)),
+    gs_cspace_build_CIEDEF(P3(gs_color_space ** ppcspace, void *client_data,
+			      gs_memory_t * pmem)),
+    gs_cspace_build_CIEDEFG(P3(gs_color_space ** ppcspace, void *client_data,
+			       gs_memory_t * pmem));
+
+/* ------ Accessors ------ */
+
+/*
+ * Note that the accessors depend heavily on "puns" between the variants
+ * of pcspace->params.{a,abc,def,defg}.
+ */
+
+/* Generic CIE based color space parameters */
+#define gs_cie_RangeLMN(pcspace)  (&(pcspace)->params.a->common.RangeLMN)
+#define gs_cie_DecodeLMN(pcspace) (&(pcspace)->params.a->common.DecodeLMN)
+#define gs_cie_MatrixLMN(pcspace) (&(pcspace)->params.a->common.MatrixLMN)
+#define gs_cie_WhitePoint(pcspace)\
+  ((pcspace)->params.a->common.points.WhitePoint)
+#define gs_cie_BlackPoint(pcspace)\
+  ((pcspace)->params.a->common.points.BlackPoint)
+
+/* CIEBasedA color space */
+#define gs_cie_a_RangeA(pcspace)      (&(pcspace)->params.a->RangeA)
+#define gs_cie_a_DecodeA(pcspace)     (&(pcspace)->params.a->DecodeA)
+#define gs_cie_a_MatrixA(pcspace)     (&(pcspace)->params.a->MatrixA)
+#define gs_cie_a_RangeA(pcspace)      (&(pcspace)->params.a->RangeA)
+
+/* CIEBasedABC color space */
+/* Note that these also work for CIEBasedDEF[G] spaces. */
+#define gs_cie_abc_RangeABC(pcspace)    (&(pcspace)->params.abc->RangeABC)
+#define gs_cie_abc_DecodeABC(pcspace)   (&(pcspace)->params.abc->DecodeABC)
+#define gs_cie_abc_MatrixABC(pcspace)   (&(pcspace)->params.abc->MatrixABC)
+
+/* CIDBasedDEF color space */
+#define gs_cie_def_RangeDEF(pcspace)    (&(pcspace)->params.def->RangeDEF)
+#define gs_cie_def_DecodeDEF(pcspace)   (&(pcspace)->params.def->DecodeDEF)
+#define gs_cie_def_RangeHIJ(pcspace)    (&(pcspace)->params.def->RangeHIJ)
+
+/* CIDBasedDEFG color space */
+#define gs_cie_defg_RangeDEFG(pcspace)  (&(pcspace)->params.defg->RangeDEFG)
+#define gs_cie_defg_DecodeDEFG(pcspace) (&(pcspace)->params.defg->DecodeDEFG)
+#define gs_cie_defg_RangeHIJK(pcspace)  (&(pcspace)->params.defg->RangeHIJK)
+
+/*
+ * The following routine is provided so as to avoid explicitly exporting the
+ * CIEBasedDEF[G] color lookup table structure. It is doubtful any
+ * high-level clients will ever need to get this information.
+ *
+ * The caller must make sure the number of dimensions and strings provided
+ * are the number expected given the number of components in the color space.
+ * The procedure gs_color_space_num_components is available for this purpose.
+ *
+ * For a 3 component color space (CIEBasedDEF), ptable points to an array of
+ * pdims[0] gs_const_string structures, each of which is of length
+ * 3 * pdims[1] * pdims[2].
+ *
+ * For a 4 component color space (CIEBasedDEFG), ptable points to an array of
+ * pdims[0] * pdims[1] strings, each of which is of length 
+ * 3 * pdims[2] * pdims[3].
+ *
+ * NB: the caller is responsible for deallocating the color table data
+ *     when no longer needed.  */
+extern int
+    gs_cie_defx_set_lookup_table(P3(gs_color_space * pcspace, int *pdims,
+				    const gs_const_string * ptable));
+
+#endif /* gscie_INCLUDED */
diff --git a/pstoraster/gsclipsr.c b/pstoraster/gsclipsr.c
new file mode 100644
index 000000000..5d4cdabae
--- /dev/null
+++ b/pstoraster/gsclipsr.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* clipsave/cliprestore */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsclipsr.h"
+
+/* clipsave */
+int
+gs_clipsave(gs_state *pgs)
+{
+    /****** NYI ******/
+    return_error(gs_error_undefined);
+}
+
+/* cliprestore */
+int
+gs_cliprestore(gs_state *pgs)
+{
+    /****** NYI ******/
+    return_error(gs_error_undefined);
+}
diff --git a/pstoraster/gsclipsr.h b/pstoraster/gsclipsr.h
new file mode 100644
index 000000000..17560637d
--- /dev/null
+++ b/pstoraster/gsclipsr.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to clipsave/cliprestore */
+
+#ifndef gsclipsr_INCLUDED
+#  define gsclipsr_INCLUDED
+
+int gs_clipsave(P1(gs_state *));
+int gs_cliprestore(P1(gs_state *));
+
+#endif /* gsclipsr_INCLUDED */
diff --git a/pstoraster/gscolor.c b/pstoraster/gscolor.c
new file mode 100644
index 000000000..849035a06
--- /dev/null
+++ b/pstoraster/gscolor.c
@@ -0,0 +1,357 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color and halftone operators for Ghostscript library */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gsccolor.h"
+#include "gxcspace.h"
+#include "gxdcconv.h"
+#include "gxdevice.h"		/* for gx_color_index */
+#include "gxcmap.h"
+#include "gzstate.h"
+
+/* Imported from gsht.c */
+void gx_set_effective_transfer(P1(gs_state *));
+
+/* Structure descriptors */
+public_st_client_color();
+public_st_transfer_map();
+
+/* GC procedures */
+#define mptr ((gx_transfer_map *)vptr)
+private 
+ENUM_PTRS_BEGIN(transfer_map_enum_ptrs) return 0;
+
+case 0:
+ENUM_RETURN((mptr->proc == 0 ? mptr->closure.data : 0));
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(transfer_map_reloc_ptrs)
+{
+    if (mptr->proc == 0)
+	RELOC_PTR(gx_transfer_map, closure.data);
+}
+RELOC_PTRS_END
+#undef mptr
+
+/* Initialize colors with 1, or 3, or 4 paint components. */
+/* (These are only used by setcolorspace.) */
+void
+gx_init_paint_1(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    pcc->paint.values[0] = 0.0;
+}
+void
+gx_init_paint_3(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    pcc->paint.values[2] = 0.0;
+    pcc->paint.values[1] = 0.0;
+    pcc->paint.values[0] = 0.0;
+}
+void
+gx_init_paint_4(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    /* DeviceCMYK and CIEBasedDEFG spaces initialize to 0,0,0,1. */
+    pcc->paint.values[3] = 1.0;
+    gx_init_paint_3(pcc, pcs);
+}
+
+/* Force a value into the range [0.0..1.0]. */
+#define FORCE_UNIT(p) (p <= 0.0 ? 0.0 : p >= 1.0 ? 1.0 : p)
+
+/* Restrict colors with 1, 3, or 4 components to the range (0,1). */
+void
+gx_restrict01_paint_1(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    pcc->paint.values[0] = FORCE_UNIT(pcc->paint.values[0]);
+}
+void
+gx_restrict01_paint_3(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    pcc->paint.values[2] = FORCE_UNIT(pcc->paint.values[2]);
+    pcc->paint.values[1] = FORCE_UNIT(pcc->paint.values[1]);
+    pcc->paint.values[0] = FORCE_UNIT(pcc->paint.values[0]);
+}
+void
+gx_restrict01_paint_4(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    pcc->paint.values[3] = FORCE_UNIT(pcc->paint.values[3]);
+    gx_restrict01_paint_3(pcc, pcs);
+}
+
+/* Null reference count adjustment procedure. */
+void
+gx_no_adjust_color_count(const gs_client_color * pcc,
+			 const gs_color_space * pcs, int delta)
+{
+}
+
+/* Forward declarations */
+void load_transfer_map(P3(gs_state *, gx_transfer_map *, floatp));
+
+/* setgray */
+int
+gs_setgray(gs_state * pgs, floatp gray)
+{
+    if (pgs->in_cachedevice)
+	return_error(gs_error_undefined);
+    cs_adjust_counts(pgs, -1);
+    pgs->ccolor->paint.values[0] = FORCE_UNIT(gray);
+    pgs->color_space->type = &gs_color_space_type_DeviceGray;
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* currentgray */
+float
+gs_currentgray(const gs_state * pgs)
+{
+    const gs_client_color *pcc = pgs->ccolor;
+    const gs_imager_state *const pis = (const gs_imager_state *)pgs;
+
+    switch (pgs->color_space->type->index) {
+	case gs_color_space_index_DeviceGray:
+	    return pcc->paint.values[0];
+	case gs_color_space_index_DeviceRGB:
+	    return frac2float(
+				 color_rgb_to_gray(
+					   float2frac(pcc->paint.values[0]),
+					   float2frac(pcc->paint.values[1]),
+					   float2frac(pcc->paint.values[2]),
+						      pis));
+	case gs_color_space_index_DeviceCMYK:
+	    return frac2float(
+				 color_cmyk_to_gray(
+					   float2frac(pcc->paint.values[0]),
+					   float2frac(pcc->paint.values[1]),
+					   float2frac(pcc->paint.values[2]),
+					   float2frac(pcc->paint.values[3]),
+						       pis));
+	default:
+	    /*
+	     * Might be another convertible color space, but this is rare,
+	     * so we don't care about speed or (to some extent) accuracy.
+	     */
+	    {
+		float rgb[3];
+
+		gs_currentrgbcolor(pgs, rgb);
+		return frac2float(
+				     color_rgb_to_gray(
+		 float2frac(rgb[0]), float2frac(rgb[1]), float2frac(rgb[2]),
+							  pis));
+	    }
+    }
+}
+
+/* setrgbcolor */
+int
+gs_setrgbcolor(gs_state * pgs, floatp r, floatp g, floatp b)
+{
+    gs_client_color *pcc = pgs->ccolor;
+
+    if (pgs->in_cachedevice)
+	return_error(gs_error_undefined);
+    cs_adjust_counts(pgs, -1);
+    pcc->paint.values[0] = FORCE_UNIT(r);
+    pcc->paint.values[1] = FORCE_UNIT(g);
+    pcc->paint.values[2] = FORCE_UNIT(b);
+    pcc->pattern = 0;		/* for GC */
+    pgs->color_space->type = &gs_color_space_type_DeviceRGB;
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* currentrgbcolor */
+int
+gs_currentrgbcolor(const gs_state * pgs, float pr3[3])
+{
+    const gs_client_color *pcc = pgs->ccolor;
+    const gs_color_space *pcs = pgs->color_space;
+    const gs_color_space *pbcs = pcs;
+    const gs_imager_state *const pis = (const gs_imager_state *)pgs;
+    frac fcc[4];
+    gs_client_color cc;
+
+  sw:switch (pbcs->type->index) {
+	case gs_color_space_index_DeviceGray:
+	    pr3[0] = pr3[1] = pr3[2] = pcc->paint.values[0];
+	    return 0;
+	case gs_color_space_index_DeviceRGB:
+	    pr3[0] = pcc->paint.values[0];
+	    pr3[1] = pcc->paint.values[1];
+	    pr3[2] = pcc->paint.values[2];
+	    return 0;
+	case gs_color_space_index_DeviceCMYK:
+	    color_cmyk_to_rgb(
+				 float2frac(pcc->paint.values[0]),
+				 float2frac(pcc->paint.values[1]),
+				 float2frac(pcc->paint.values[2]),
+				 float2frac(pcc->paint.values[3]),
+				 pis, fcc);
+	    pr3[0] = frac2float(fcc[0]);
+	    pr3[1] = frac2float(fcc[1]);
+	    pr3[2] = frac2float(fcc[2]);
+	    return 0;
+	case gs_color_space_index_DeviceN:
+	case gs_color_space_index_Separation:
+	  ds:if (cs_concrete_space(pbcs, pis) == pbcs)
+		break;		/* not using alternative space */
+	    /* (falls through) */
+	case gs_color_space_index_Indexed:
+	    pbcs = gs_cspace_base_space(pbcs);
+	    switch (pbcs->type->index) {
+		case gs_color_space_index_DeviceN:
+		case gs_color_space_index_Separation:
+		    goto ds;
+		default:	/* outer switch will catch undefined cases */
+		    break;
+	    }
+	    if (cs_concretize_color(pcc, pcs, fcc, pis) < 0)
+		break;
+	    cc.paint.values[0] = frac2float(fcc[0]);
+	    cc.paint.values[1] = frac2float(fcc[1]);
+	    cc.paint.values[2] = frac2float(fcc[2]);
+	    cc.paint.values[3] = frac2float(fcc[3]);
+	    pcc = &cc;
+	    pcs = pbcs;
+	    goto sw;
+	default:
+	    break;
+    }
+    pr3[0] = pr3[1] = pr3[2] = 0.0;
+    return 0;
+}
+
+/* setnullcolor */
+int
+gs_setnullcolor(gs_state * pgs)
+{
+    if (pgs->in_cachedevice)
+	return_error(gs_error_undefined);
+    gs_setgray(pgs, 0.0);	/* set color space to something harmless */
+    color_set_null(pgs->dev_color);
+    return 0;
+}
+
+/* settransfer */
+/* Remap=0 is used by the interpreter. */
+int
+gs_settransfer(gs_state * pgs, gs_mapping_proc tproc)
+{
+    return gs_settransfer_remap(pgs, tproc, true);
+}
+int
+gs_settransfer_remap(gs_state * pgs, gs_mapping_proc tproc, bool remap)
+{
+    gx_transfer_colored *ptran = &pgs->set_transfer.colored;
+
+    /*
+     * We can safely decrement the reference counts
+     * of the non-gray transfer maps, because
+     * if any of them get freed, the rc_unshare can't fail.
+     */
+    rc_decrement(ptran->red, "gs_settransfer");
+    rc_decrement(ptran->green, "gs_settransfer");
+    rc_decrement(ptran->blue, "gs_settransfer");
+    rc_unshare_struct(ptran->gray, gx_transfer_map, &st_transfer_map,
+		      pgs->memory, goto fail, "gs_settransfer");
+    ptran->gray->proc = tproc;
+    ptran->gray->id = gs_next_ids(1);
+    ptran->red = ptran->gray;
+    ptran->green = ptran->gray;
+    ptran->blue = ptran->gray;
+    ptran->gray->rc.ref_count += 3;
+    if (remap) {
+	load_transfer_map(pgs, ptran->gray, 0.0);
+	gx_set_effective_transfer(pgs);
+	gx_unset_dev_color(pgs);
+    }
+    return 0;
+  fail:
+    rc_increment(ptran->red);
+    rc_increment(ptran->green);
+    rc_increment(ptran->blue);
+    return_error(gs_error_VMerror);
+}
+
+/* currenttransfer */
+gs_mapping_proc
+gs_currenttransfer(const gs_state * pgs)
+{
+    return pgs->set_transfer.colored.gray->proc;
+}
+
+/* ------ Non-operator routines ------ */
+
+/* Set device color = 1 for writing into the character cache. */
+void
+gx_set_device_color_1(gs_state * pgs)
+{
+    gx_device_color *pdc = pgs->dev_color;
+    gs_client_color *pcc = pgs->ccolor;
+
+    cs_adjust_counts(pgs, -1);
+    pcc->paint.values[0] = 0.0;
+    pcc->pattern = 0;		/* for GC */
+    pgs->color_space->type = &gs_color_space_type_DeviceGray;
+    color_set_pure(pdc, 1);
+    pgs->log_op = lop_default;
+}
+
+/* ------ Internal routines ------ */
+
+/*
+ * Load one cached transfer map.  We export this for gscolor1.c.
+ * Note that we must deal with both old (proc) and new (closure) maps.
+ */
+private float
+transfer_use_proc(floatp value, const gx_transfer_map * pmap,
+		  const void *ignore_proc_data)
+{
+    return (*pmap->proc) (value, pmap);
+}
+void
+load_transfer_map(gs_state * pgs, gx_transfer_map * pmap, floatp min_value)
+{
+    gs_mapping_closure_proc_t proc =
+    (pmap->proc == 0 ? pmap->closure.proc : transfer_use_proc);
+    const void *proc_data = pmap->closure.data;
+    frac *values = pmap->values;
+    frac fmin = float2frac(min_value);
+    int i;
+
+    for (i = 0; i < transfer_map_size; i++) {
+	float fval =
+	(*proc) ((float)i / (transfer_map_size - 1), pmap, proc_data);
+
+	values[i] =
+	    (fval < min_value ? fmin :
+	     fval >= 1.0 ? frac_1 :
+	     float2frac(fval));
+    }
+}
diff --git a/pstoraster/gscolor.h b/pstoraster/gscolor.h
new file mode 100644
index 000000000..b595a184b
--- /dev/null
+++ b/pstoraster/gscolor.h
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991, 1992, 1993, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to color routines */
+
+#ifndef gscolor_INCLUDED
+#  define gscolor_INCLUDED
+
+#include "gxtmap.h"
+
+/* Color and gray interface */
+int gs_setgray(P2(gs_state *, floatp));
+float gs_currentgray(P1(const gs_state *));
+int gs_setrgbcolor(P4(gs_state *, floatp, floatp, floatp)), gs_currentrgbcolor(P2(const gs_state *, float[3]));
+int gs_setnullcolor(P1(gs_state *));
+
+/* Transfer function */
+int gs_settransfer(P2(gs_state *, gs_mapping_proc)), gs_settransfer_remap(P3(gs_state *, gs_mapping_proc, bool));
+gs_mapping_proc gs_currenttransfer(P1(const gs_state *));
+
+#endif /* gscolor_INCLUDED */
diff --git a/pstoraster/gscolor1.c b/pstoraster/gscolor1.c
new file mode 100644
index 000000000..fa7c32697
--- /dev/null
+++ b/pstoraster/gscolor1.c
@@ -0,0 +1,271 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 1 extended color operators for Ghostscript library */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gsccolor.h"
+#include "gxcspace.h"
+#include "gxdcconv.h"
+#include "gxdevice.h"		/* for gx_color_index */
+#include "gxcmap.h"
+#include "gzstate.h"
+#include "gscolor1.h"
+
+/* Imports from gscolor.c */
+void load_transfer_map(P3(gs_state *, gx_transfer_map *, floatp));
+
+/* Imported from gsht.c */
+void gx_set_effective_transfer(P1(gs_state *));
+
+/* Force a parameter into the range [0.0..1.0]. */
+#define FORCE_UNIT(p) (p < 0.0 ? 0.0 : p > 1.0 ? 1.0 : p)
+
+/* Define the CMYK color space type. */
+extern cs_proc_remap_color(gx_remap_DeviceCMYK);
+extern cs_proc_concretize_color(gx_concretize_DeviceCMYK);
+extern cs_proc_remap_concrete_color(gx_remap_concrete_DCMYK);
+const gs_color_space_type gs_color_space_type_DeviceCMYK = {
+    gs_color_space_index_DeviceCMYK, true, true,
+    &st_base_color_space, gx_num_components_4,
+    gx_no_base_space,
+    gx_init_paint_4, gx_restrict01_paint_4,
+    gx_same_concrete_space,
+    gx_concretize_DeviceCMYK, gx_remap_concrete_DCMYK,
+    gx_remap_DeviceCMYK, gx_no_install_cspace,
+    gx_no_adjust_cspace_count, gx_no_adjust_color_count
+};
+
+/* setcmykcolor */
+int
+gs_setcmykcolor(gs_state * pgs, floatp c, floatp m, floatp y, floatp k)
+{
+    gs_client_color *pcc = pgs->ccolor;
+
+    if (pgs->in_cachedevice)
+	return_error(gs_error_undefined);
+    cs_adjust_counts(pgs, -1);
+    pcc->paint.values[0] = FORCE_UNIT(c);
+    pcc->paint.values[1] = FORCE_UNIT(m);
+    pcc->paint.values[2] = FORCE_UNIT(y);
+    pcc->paint.values[3] = FORCE_UNIT(k);
+    pcc->pattern = 0;		/* for GC */
+    pgs->color_space->type = &gs_color_space_type_DeviceCMYK;
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* currentcmykcolor */
+int
+gs_currentcmykcolor(const gs_state * pgs, float pr4[4])
+{
+    const gs_client_color *pcc = pgs->ccolor;
+    const gs_color_space *pcs = pgs->color_space;
+    const gs_color_space *pbcs = pcs;
+    const gs_imager_state *const pis = (const gs_imager_state *)pgs;
+    frac fcc[4];
+    gs_client_color cc;
+
+  sw:switch (pbcs->type->index) {
+	case gs_color_space_index_DeviceGray:
+	    pr4[0] = pr4[1] = pr4[2] = 0.0;
+	    pr4[3] = 1.0 - pcc->paint.values[0];
+	    return 0;
+	case gs_color_space_index_DeviceRGB:
+	    color_rgb_to_cmyk(float2frac(pcc->paint.values[0]),
+			      float2frac(pcc->paint.values[1]),
+			      float2frac(pcc->paint.values[2]),
+			      pis, fcc);
+	    pr4[0] = frac2float(fcc[0]);
+	    pr4[1] = frac2float(fcc[1]);
+	    pr4[2] = frac2float(fcc[2]);
+	    pr4[3] = frac2float(fcc[3]);
+	    return 0;
+	case gs_color_space_index_DeviceCMYK:
+	    pr4[0] = pcc->paint.values[0];
+	    pr4[1] = pcc->paint.values[1];
+	    pr4[2] = pcc->paint.values[2];
+	    pr4[3] = pcc->paint.values[3];
+	    return 0;
+	case gs_color_space_index_DeviceN:
+	case gs_color_space_index_Separation:
+	  ds:if (cs_concrete_space(pbcs, pis) == pbcs)
+		break;		/* not using alternative space */
+	    /* (falls through) */
+	case gs_color_space_index_Indexed:
+	    pbcs = gs_cspace_base_space(pbcs);
+	    switch (pbcs->type->index) {
+		case gs_color_space_index_DeviceN:
+		case gs_color_space_index_Separation:
+		    goto ds;
+		default:	/* outer switch will catch undefined cases */
+		    break;
+	    }
+	    if (cs_concretize_color(pcc, pcs, fcc, pis) < 0)
+		break;
+	    cc.paint.values[0] = frac2float(fcc[0]);
+	    cc.paint.values[1] = frac2float(fcc[1]);
+	    cc.paint.values[2] = frac2float(fcc[2]);
+	    cc.paint.values[3] = frac2float(fcc[3]);
+	    pcc = &cc;
+	    pcs = pbcs;
+	    goto sw;
+	default:
+	    break;
+    }
+    pr4[0] = pr4[1] = pr4[2] = 0.0;
+    pr4[3] = 1.0;
+    return 0;
+}
+
+/* setblackgeneration */
+/* Remap=0 is used by the interpreter. */
+int
+gs_setblackgeneration(gs_state * pgs, gs_mapping_proc proc)
+{
+    return gs_setblackgeneration_remap(pgs, proc, true);
+}
+int
+gs_setblackgeneration_remap(gs_state * pgs, gs_mapping_proc proc, bool remap)
+{
+    rc_unshare_struct(pgs->black_generation, gx_transfer_map,
+		      &st_transfer_map, pgs->memory,
+		      return_error(gs_error_VMerror),
+		      "gs_setblackgeneration");
+    pgs->black_generation->proc = proc;
+    pgs->black_generation->id = gs_next_ids(1);
+    if (remap) {
+	load_transfer_map(pgs, pgs->black_generation, 0.0);
+	gx_unset_dev_color(pgs);
+    }
+    return 0;
+}
+
+/* currentblackgeneration */
+gs_mapping_proc
+gs_currentblackgeneration(const gs_state * pgs)
+{
+    return pgs->black_generation->proc;
+}
+
+/* setundercolorremoval */
+/* Remap=0 is used by the interpreter. */
+int
+gs_setundercolorremoval(gs_state * pgs, gs_mapping_proc proc)
+{
+    return gs_setundercolorremoval_remap(pgs, proc, true);
+}
+int
+gs_setundercolorremoval_remap(gs_state * pgs, gs_mapping_proc proc, bool remap)
+{
+    rc_unshare_struct(pgs->undercolor_removal, gx_transfer_map,
+		      &st_transfer_map, pgs->memory,
+		      return_error(gs_error_VMerror),
+		      "gs_setundercolorremoval");
+    pgs->undercolor_removal->proc = proc;
+    pgs->undercolor_removal->id = gs_next_ids(1);
+    if (remap) {
+	load_transfer_map(pgs, pgs->undercolor_removal, -1.0);
+	gx_unset_dev_color(pgs);
+    }
+    return 0;
+}
+
+/* currentundercolorremoval */
+gs_mapping_proc
+gs_currentundercolorremoval(const gs_state * pgs)
+{
+    return pgs->undercolor_removal->proc;
+}
+
+/* setcolortransfer */
+/* Remap=0 is used by the interpreter. */
+int
+gs_setcolortransfer_remap(gs_state * pgs, gs_mapping_proc red_proc,
+			  gs_mapping_proc green_proc,
+			  gs_mapping_proc blue_proc,
+			  gs_mapping_proc gray_proc, bool remap)
+{
+    gx_transfer_colored *ptran = &pgs->set_transfer.colored;
+    gx_transfer_colored old;
+    gs_id new_ids = gs_next_ids(4);
+
+    old = *ptran;
+    rc_unshare_struct(ptran->gray, gx_transfer_map, &st_transfer_map,
+		      pgs->memory, goto fgray, "gs_setcolortransfer");
+    rc_unshare_struct(ptran->red, gx_transfer_map, &st_transfer_map,
+		      pgs->memory, goto fred, "gs_setcolortransfer");
+    rc_unshare_struct(ptran->green, gx_transfer_map, &st_transfer_map,
+		      pgs->memory, goto fgreen, "gs_setcolortransfer");
+    rc_unshare_struct(ptran->blue, gx_transfer_map, &st_transfer_map,
+		      pgs->memory, goto fblue, "gs_setcolortransfer");
+    ptran->gray->proc = gray_proc;
+    ptran->gray->id = new_ids;
+    ptran->red->proc = red_proc;
+    ptran->red->id = new_ids + 1;
+    ptran->green->proc = green_proc;
+    ptran->green->id = new_ids + 2;
+    ptran->blue->proc = blue_proc;
+    ptran->blue->id = new_ids + 3;
+    if (remap) {
+	load_transfer_map(pgs, ptran->red, 0.0);
+	load_transfer_map(pgs, ptran->green, 0.0);
+	load_transfer_map(pgs, ptran->blue, 0.0);
+	load_transfer_map(pgs, ptran->gray, 0.0);
+	gx_set_effective_transfer(pgs);
+	gx_unset_dev_color(pgs);
+    }
+    return 0;
+  fblue:
+    rc_assign(ptran->green, old.green, "setcolortransfer");
+  fgreen:
+    rc_assign(ptran->red, old.red, "setcolortransfer");
+  fred:
+    rc_assign(ptran->gray, old.gray, "setcolortransfer");
+  fgray:
+    return_error(gs_error_VMerror);
+}
+int
+gs_setcolortransfer(gs_state * pgs, gs_mapping_proc red_proc,
+		    gs_mapping_proc green_proc, gs_mapping_proc blue_proc,
+		    gs_mapping_proc gray_proc)
+{
+    return gs_setcolortransfer_remap(pgs, red_proc, green_proc,
+				     blue_proc, gray_proc, true);
+}
+
+/* currentcolortransfer */
+void
+gs_currentcolortransfer(const gs_state * pgs, gs_mapping_proc procs[4])
+{
+    const gx_transfer_colored *ptran = &pgs->set_transfer.colored;
+
+    procs[0] = ptran->red->proc;
+    procs[1] = ptran->green->proc;
+    procs[2] = ptran->blue->proc;
+    procs[3] = ptran->gray->proc;
+}
diff --git a/pstoraster/gscolor1.h b/pstoraster/gscolor1.h
new file mode 100644
index 000000000..9ced3e2d3
--- /dev/null
+++ b/pstoraster/gscolor1.h
@@ -0,0 +1,47 @@
+/* Copyright (C) 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to Level 1 extended color facilities */
+/* Requires gscolor.h */
+
+#ifndef gscolor1_INCLUDED
+#  define gscolor1_INCLUDED
+
+/* Color and gray interface */
+int gs_setcmykcolor(P5(gs_state *, floatp, floatp, floatp, floatp)), gs_currentcmykcolor(P2(const gs_state *, float[4])),
+      gs_setblackgeneration(P2(gs_state *, gs_mapping_proc)), gs_setblackgeneration_remap(P3(gs_state *, gs_mapping_proc, bool));
+gs_mapping_proc gs_currentblackgeneration(P1(const gs_state *));
+int gs_setundercolorremoval(P2(gs_state *, gs_mapping_proc)), gs_setundercolorremoval_remap(P3(gs_state *, gs_mapping_proc, bool));
+gs_mapping_proc gs_currentundercolorremoval(P1(const gs_state *));
+
+/* Transfer function */
+int gs_setcolortransfer(P5(gs_state *, gs_mapping_proc /*red */ ,
+		    gs_mapping_proc /*green */ , gs_mapping_proc /*blue */ ,
+			   gs_mapping_proc /*gray */ )), gs_setcolortransfer_remap(P6(gs_state *, gs_mapping_proc /*red */ ,
+		    gs_mapping_proc /*green */ , gs_mapping_proc /*blue */ ,
+					 gs_mapping_proc /*gray */ , bool));
+void gs_currentcolortransfer(P2(const gs_state *, gs_mapping_proc[4]));
+
+#endif /* gscolor1_INCLUDED */
diff --git a/pstoraster/gscolor2.c b/pstoraster/gscolor2.c
new file mode 100644
index 000000000..f00cfceb3
--- /dev/null
+++ b/pstoraster/gscolor2.c
@@ -0,0 +1,455 @@
+/* Copyright (C) 1992, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 color operators for Ghostscript library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxarith.h"
+#include "gxfixed.h"		/* ditto */
+#include "gxmatrix.h"		/* for gzstate.h */
+#include "gxcspace.h"		/* for gscolor2.h */
+#include "gxcolor2.h"
+#include "gzstate.h"
+
+/* ---------------- General colors and color spaces ---------------- */
+
+/* setcolorspace */
+int
+gs_setcolorspace(gs_state * pgs, gs_color_space * pcs)
+{
+    int code;
+    gs_color_space cs_old;
+    gs_client_color cc_old;
+
+    if (pgs->in_cachedevice)
+	return_error(gs_error_undefined);
+    cs_old = *pgs->color_space;
+    cc_old = *pgs->ccolor;
+    (*pcs->type->adjust_cspace_count)(pcs, 1);
+    *pgs->color_space = *pcs;
+    if ((code = (*pcs->type->install_cspace)(pcs, pgs)) < 0)
+	goto rcs;
+    cs_full_init_color(pgs->ccolor, pcs);
+    (*cs_old.type->adjust_color_count)(&cc_old, &cs_old, -1);
+    (*cs_old.type->adjust_cspace_count)(&cs_old, -1);
+    gx_unset_dev_color(pgs);
+    return code;
+    /* Restore the color space if installation failed. */
+rcs:*pgs->color_space = cs_old;
+    (*pcs->type->adjust_cspace_count)(pcs, -1);
+    return code;
+}
+
+/* currentcolorspace */
+const gs_color_space *
+gs_currentcolorspace(const gs_state * pgs)
+{
+    return pgs->color_space;
+}
+
+/* setcolor */
+int
+gs_setcolor(gs_state * pgs, const gs_client_color * pcc)
+{
+    gs_color_space *pcs = pgs->color_space;
+
+    if (pgs->in_cachedevice)
+	return_error(gs_error_undefined);
+    (*pcs->type->adjust_color_count)(pcc, pcs, 1);
+    (*pcs->type->adjust_color_count)(pgs->ccolor, pcs, -1);
+    *pgs->ccolor = *pcc;
+    (*pcs->type->restrict_color)(pgs->ccolor, pcs);
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* currentcolor */
+const gs_client_color *
+gs_currentcolor(const gs_state * pgs)
+{
+    return pgs->ccolor;
+}
+
+/* ------ Internal procedures ------ */
+
+/* GC descriptors */
+public_st_indexed_map();
+
+/* Free an indexed map and its values when the reference count goes to 0. */
+void
+free_indexed_map(gs_memory_t * pmem, void *pmap, client_name_t cname)
+{
+    gs_free_object(pmem, ((gs_indexed_map *) pmap)->values, cname);
+    gs_free_object(pmem, pmap, cname);
+}
+
+/*
+ * Allocate an indexed map for an Indexed or Separation color space.
+ */
+int
+alloc_indexed_map(gs_indexed_map ** ppmap, int nvals, gs_memory_t * pmem,
+		  client_name_t cname)
+{
+    gs_indexed_map *pimap;
+
+    rc_alloc_struct_1(pimap, gs_indexed_map, &st_indexed_map, pmem,
+		      return_error(gs_error_VMerror), cname);
+    pimap->values =
+	(float *)gs_alloc_byte_array(pmem, nvals, sizeof(float), cname);
+
+    if (pimap->values == 0) {
+	gs_free_object(pmem, pimap, cname);
+	return_error(gs_error_VMerror);
+    }
+    pimap->rc.free = free_indexed_map;
+    pimap->num_values = nvals;
+    *ppmap = pimap;
+    return 0;
+}
+
+/* ---------------- Indexed color spaces ---------------- */
+
+gs_private_st_composite(st_color_space_Indexed, gs_paint_color_space,
+     "gs_color_space_Indexed", cs_Indexed_enum_ptrs, cs_Indexed_reloc_ptrs);
+
+/* ------ Color space ------ */
+
+/* Define the Indexed color space type. */
+private cs_proc_base_space(gx_base_space_Indexed);
+private cs_proc_restrict_color(gx_restrict_Indexed);
+private cs_proc_concrete_space(gx_concrete_space_Indexed);
+private cs_proc_concretize_color(gx_concretize_Indexed);
+private cs_proc_install_cspace(gx_install_Indexed);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_Indexed);
+const gs_color_space_type gs_color_space_type_Indexed = {
+    gs_color_space_index_Indexed, false, false,
+    &st_color_space_Indexed, gx_num_components_1,
+    gx_base_space_Indexed,
+    gx_init_paint_1, gx_restrict_Indexed,
+    gx_concrete_space_Indexed,
+    gx_concretize_Indexed, NULL,
+    gx_default_remap_color, gx_install_Indexed,
+    gx_adjust_cspace_Indexed, gx_no_adjust_color_count
+};
+
+/* GC procedures. */
+
+#define pcs ((gs_color_space *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(cs_Indexed_enum_ptrs)
+{
+    return ENUM_USING(*pcs->params.indexed.base_space.type->stype,
+		      &pcs->params.indexed.base_space,
+		      sizeof(pcs->params.indexed.base_space), index - 1);
+}
+case 0:
+if (pcs->params.indexed.use_proc)
+    ENUM_RETURN((void *)pcs->params.indexed.lookup.map);
+else {
+    pcs->params.indexed.lookup.table.size =
+	(pcs->params.indexed.hival + 1) *
+	cs_num_components((const gs_color_space *)
+			  &pcs->params.indexed.base_space);
+    ENUM_RETURN_CONST_STRING_PTR(gs_color_space,
+				 params.indexed.lookup.table);
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(cs_Indexed_reloc_ptrs)
+{
+    RELOC_USING(*pcs->params.indexed.base_space.type->stype,
+		&pcs->params.indexed.base_space,
+		sizeof(gs_base_color_space));
+    if (pcs->params.indexed.use_proc)
+	RELOC_PTR(gs_color_space, params.indexed.lookup.map);
+    else
+	RELOC_CONST_STRING_PTR(gs_color_space, params.indexed.lookup.table);
+}
+RELOC_PTRS_END
+
+#undef pcs
+
+/* Return the base space of an Indexed color space. */
+private const gs_color_space *
+gx_base_space_Indexed(const gs_color_space * pcs)
+{
+    return (const gs_color_space *)&(pcs->params.indexed.base_space);
+}
+
+/* Color space installation ditto. */
+
+private int
+gx_install_Indexed(gs_color_space * pcs, gs_state * pgs)
+{
+    return (*pcs->params.indexed.base_space.type->install_cspace)
+	((gs_color_space *) & pcs->params.indexed.base_space, pgs);
+}
+
+/* Color space reference count adjustment ditto. */
+
+private void
+gx_adjust_cspace_Indexed(const gs_color_space * pcs, int delta)
+{
+    if (pcs->params.indexed.use_proc) {
+	rc_adjust_const(pcs->params.indexed.lookup.map, delta,
+			"gx_adjust_Indexed");
+    }
+    (*pcs->params.indexed.base_space.type->adjust_cspace_count)
+	((const gs_color_space *)&pcs->params.indexed.base_space, delta);
+}
+
+/*
+ * Default palette mapping functions for indexed color maps. These just
+ * return the values already in the palette.
+ *
+ * For performance reasons, we provide four functions: special cases for 1,
+ * 3, and 4 entry palettes, and a general case. Note that these procedures
+ * do not range-check their input values.
+ */
+private int
+map_palette_entry_1(const gs_indexed_params * params, int indx, float *values)
+{
+    values[0] = params->lookup.map->values[indx];
+    return 0;
+}
+
+private int
+map_palette_entry_3(const gs_indexed_params * params, int indx, float *values)
+{
+    const float *pv = &(params->lookup.map->values[3 * indx]);
+
+    values[0] = pv[0];
+    values[1] = pv[1];
+    values[2] = pv[2];
+    return 0;
+}
+
+private int
+map_palette_entry_4(const gs_indexed_params * params, int indx, float *values)
+{
+    const float *pv = &(params->lookup.map->values[4 * indx]);
+
+    values[0] = pv[0];
+    values[1] = pv[1];
+    values[2] = pv[2];
+    values[3] = pv[3];
+    return 0;
+}
+
+private int
+map_palette_entry_n(const gs_indexed_params * params, int indx, float *values)
+{
+    int m = cs_num_components((const gs_color_space *)&params->base_space);
+
+    memcpy((void *)values,
+	   (const void *)(params->lookup.map->values + indx * m),
+	   m * sizeof(float)
+    );
+
+    return 0;
+}
+
+/*
+ * Allocate an indexed map to be used as a palette for indexed color space.
+ */
+private gs_indexed_map *
+alloc_indexed_palette(
+			 const gs_color_space * pbase_cspace,
+			 int nvals,
+			 gs_memory_t * pmem
+)
+{
+    int num_comps = gs_color_space_num_components(pbase_cspace);
+    gs_indexed_map *pimap;
+    int code =
+    alloc_indexed_map(&pimap, nvals * num_comps, pmem,
+		      "alloc_indexed_palette");
+
+    if (code < 0)
+	return 0;
+    if (num_comps == 1)
+	pimap->proc.lookup_index = map_palette_entry_1;
+    else if (num_comps == 3)
+	pimap->proc.lookup_index = map_palette_entry_3;
+    else if (num_comps == 4)
+	pimap->proc.lookup_index = map_palette_entry_4;
+    else
+	pimap->proc.lookup_index = map_palette_entry_n;
+    return pimap;
+}
+
+/*
+ * Build an indexed color space.
+ */
+int
+gs_cspace_build_Indexed(
+			   gs_color_space ** ppcspace,
+			   const gs_color_space * pbase_cspace,
+			   uint num_entries,
+			   const gs_const_string * ptbl,
+			   gs_memory_t * pmem
+)
+{
+    gs_color_space *pcspace = 0;
+    gs_indexed_params *pindexed = 0;
+    int code;
+
+    if ((pbase_cspace == 0) || !pbase_cspace->type->can_be_base_space)
+	return_error(gs_error_rangecheck);
+
+    code = gs_cspace_alloc(&pcspace, &gs_color_space_type_Indexed, pmem);
+    if (code < 0)
+	return code;
+    pindexed = &(pcspace->params.indexed);
+    if (ptbl == 0) {
+	pindexed->lookup.map =
+	    alloc_indexed_palette(pbase_cspace, num_entries, pmem);
+	if (pindexed->lookup.map == 0) {
+	    gs_free_object(pmem, pcspace, "gs_cspace_build_Indexed");
+	    return_error(gs_error_VMerror);
+	}
+	pindexed->use_proc = true;
+    } else {
+	pindexed->lookup.table = *ptbl;
+	pindexed->use_proc = false;
+    }
+    gs_cspace_init_from((gs_color_space *) & (pindexed->base_space),
+			pbase_cspace);
+    pindexed->hival = num_entries - 1;
+    *ppcspace = pcspace;
+    return 0;
+}
+
+/*
+ * Return the number of entries in an indexed color space.
+ */
+int
+gs_cspace_indexed_num_entries(const gs_color_space * pcspace)
+{
+    if (gs_color_space_get_index(pcspace) != gs_color_space_index_Indexed)
+	return 0;
+    return pcspace->params.indexed.hival + 1;
+}
+
+/*
+ * Get the palette for an indexed color space. This will return a null
+ * pointer if the color space is not an indexed color space or if the
+ * color space does not use the mapped index palette.
+ */
+float *
+gs_cspace_indexed_value_array(const gs_color_space * pcspace)
+{
+    if ((gs_color_space_get_index(pcspace) != gs_color_space_index_Indexed) ||
+	pcspace->params.indexed.use_proc
+	)
+	return 0;
+    return pcspace->params.indexed.lookup.map->values;
+}
+
+/*
+ * Set the lookup procedure to be used with an indexed color space.
+ */
+int
+gs_cspace_indexed_set_proc(
+			      gs_color_space * pcspace,
+		   int (*proc) (P3(const gs_indexed_params *, int, float *))
+)
+{
+    if ((gs_color_space_get_index(pcspace) != gs_color_space_index_Indexed) ||
+	!pcspace->params.indexed.use_proc
+	)
+	return_error(gs_error_rangecheck);
+    pcspace->params.indexed.lookup.map->proc.lookup_index = proc;
+    return 0;
+}
+
+/* ------ Colors ------ */
+
+/* Force an Indexed color into legal range. */
+
+private void
+gx_restrict_Indexed(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    float value = pcc->paint.values[0];
+
+    pcc->paint.values[0] =
+	(is_fneg(value) ? 0 :
+	 value >= pcs->params.indexed.hival ? pcs->params.indexed.hival :
+	 value);
+}
+
+/* Color remapping for Indexed color spaces. */
+
+private const gs_color_space *
+gx_concrete_space_Indexed(const gs_color_space * pcs,
+			  const gs_imager_state * pis)
+{
+    const gs_color_space *pbcs =
+    (const gs_color_space *)&pcs->params.indexed.base_space;
+
+    return cs_concrete_space(pbcs, pis);
+}
+
+private int
+gx_concretize_Indexed(const gs_client_color * pc, const gs_color_space * pcs,
+		      frac * pconc, const gs_imager_state * pis)
+{
+    float value = pc->paint.values[0];
+    int index =
+    (is_fneg(value) ? 0 :
+     value >= pcs->params.indexed.hival ? pcs->params.indexed.hival :
+     (int)value);
+    gs_client_color cc;
+    const gs_color_space *pbcs =
+    (const gs_color_space *)&pcs->params.indexed.base_space;
+
+    if (pcs->params.indexed.use_proc) {
+	int code =
+	(*pcs->params.indexed.lookup.map->proc.lookup_index)
+	(&pcs->params.indexed, index, &cc.paint.values[0]);
+
+	if (code < 0)
+	    return code;
+    } else {
+	int m = cs_num_components((const gs_color_space *)
+				  &pcs->params.indexed.base_space);
+	const byte *pcomp =
+	pcs->params.indexed.lookup.table.data + m * index;
+
+	switch (m) {
+	    default:
+		return_error(gs_error_rangecheck);
+	    case 4:
+		cc.paint.values[3] = pcomp[3] * (1.0 / 255.0);
+	    case 3:
+		cc.paint.values[2] = pcomp[2] * (1.0 / 255.0);
+		cc.paint.values[1] = pcomp[1] * (1.0 / 255.0);
+	    case 1:
+		cc.paint.values[0] = pcomp[0] * (1.0 / 255.0);
+	}
+    }
+    return (*pbcs->type->concretize_color) (&cc, pbcs, pconc, pis);
+}
diff --git a/pstoraster/gscolor2.h b/pstoraster/gscolor2.h
new file mode 100644
index 000000000..3ae2aef14
--- /dev/null
+++ b/pstoraster/gscolor2.h
@@ -0,0 +1,106 @@
+/* Copyright (C) 1992, 1993, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to Level 2 color facilities */
+/* (requires gscspace.h, gsmatrix.h) */
+
+#ifndef gscolor2_INCLUDED
+#  define gscolor2_INCLUDED
+
+#include "gsptype1.h"
+
+/* ---------------- Graphics state ---------------- */
+
+/*
+ * Note that setcolorspace and setcolor copy the (top level of) their
+ * structure argument, so if the client allocated it on the heap, the
+ * client should free it after setting it in the graphics state.
+ */
+
+/* General color routines */
+const gs_color_space *gs_currentcolorspace(P1(const gs_state *));
+int gs_setcolorspace(P2(gs_state *, gs_color_space *));
+const gs_client_color *gs_currentcolor(P1(const gs_state *));
+int gs_setcolor(P2(gs_state *, const gs_client_color *));
+
+/* CIE-specific routines */
+#ifndef gs_cie_render_DEFINED
+#  define gs_cie_render_DEFINED
+typedef struct gs_cie_render_s gs_cie_render;
+#endif
+const gs_cie_render *gs_currentcolorrendering(P1(const gs_state *));
+int gs_setcolorrendering(P2(gs_state *, gs_cie_render *));
+
+/* ---------------- Indexed color space ---------------- */
+
+/*
+ * Indexed color spaces.
+ *
+ * If the color space will use a procedure rather than a byte table,
+ * ptbl should be set to 0.
+ *
+ * Unlike most of the other color space constructors, this one initializes
+ * some of the fields of the colorspace. In the case in which a string table
+ * is used for mapping, it initializes the entire structure. Note that the
+ * client is responsible for the table memory in that case; the color space
+ * will not free it when the color space itself is released.
+ *
+ * For the case of an indexed color space based on a procedure, a default
+ * procedure will be provided that simply echoes the color values already in
+ * the palette; the client may override these procedures by use of
+ * gs_cspace_indexed_set_proc. If the client wishes to insert values into
+ * the palette, it should do so by using gs_cspace_indexed_value_array, and
+ * directly inserting the desired values into the array.
+ *
+ * If the client does insert values into the palette directly, the default
+ * procedures provided by the client are fairly efficient, and there are
+ * few instances in which the client would need to replace them.
+ */
+extern int gs_cspace_build_Indexed(
+				      gs_color_space ** ppcspace,
+				      const gs_color_space * pbase_cspace,
+				      uint num_entries,
+				      const gs_const_string * ptbl,
+				      gs_memory_t * pmem
+);
+
+/* Return the number of entries in the palette of an indexed color space. */
+extern int gs_cspace_indexed_num_entries(P1(
+					       const gs_color_space * pcspace
+					 ));
+
+/* In the case of a procedure-based indexed color space, get a pointer to */
+/* the array of cached values. */
+extern float *gs_cspace_indexed_value_array(P1(
+					      const gs_color_space * pcspace
+					    ));
+
+/* Set the lookup procedure to be used for an Indexed color space. */
+extern int gs_cspace_indexed_set_proc(P2(
+					    gs_color_space * pcspace,
+		   int (*proc) (P3(const gs_indexed_params *, int, float *))
+				      ));
+
+#endif /* gscolor2_INCLUDED */
diff --git a/pstoraster/gscolor3.c b/pstoraster/gscolor3.c
new file mode 100644
index 000000000..980d21d4c
--- /dev/null
+++ b/pstoraster/gscolor3.c
@@ -0,0 +1,70 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* "Operators" for LanguageLevel 3 color facilities */
+#include "gx.h"
+#include "gserrors.h"
+#include "gscspace.h"		/* for gscolor2.h */
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gscolor2.h"
+#include "gscolor3.h"
+#include "gspath.h"
+#include "gzstate.h"
+#include "gxshade.h"
+
+/* setsmoothness */
+int
+gs_setsmoothness(gs_state * pgs, floatp smoothness)
+{
+    pgs->smoothness =
+	(smoothness < 0 ? 0 : smoothness > 1 ? 1 : smoothness);
+    return 0;
+}
+
+/* currentsmoothness */
+float
+gs_currentsmoothness(const gs_state * pgs)
+{
+    return pgs->smoothness;
+}
+
+/* shfill */
+int
+gs_shfill(gs_state * pgs, const gs_shading_t * psh)
+{
+    int code = gs_gsave(pgs);
+
+    if (code < 0)
+	return code;
+    if ((code = gs_setcolorspace(pgs, psh->params.ColorSpace)) < 0 ||
+	(code = gs_clippath(pgs)) < 0 ||
+	(code = gs_shading_fill_path(psh, pgs->path,
+				     gs_currentdevice(pgs),
+				     (gs_imager_state *)pgs)) < 0
+	)
+	DO_NOTHING;
+    gs_grestore(pgs);
+    return code;
+}
diff --git a/pstoraster/gscolor3.h b/pstoraster/gscolor3.h
new file mode 100644
index 000000000..a166ace5a
--- /dev/null
+++ b/pstoraster/gscolor3.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to LanguageLevel 3 color facilities */
+
+#ifndef gscolor3_INCLUDED
+#  define gscolor3_INCLUDED
+
+/* Smooth shading */
+#ifndef gs_shading_t_DEFINED
+#  define gs_shading_t_DEFINED
+typedef struct gs_shading_s gs_shading_t;
+#endif
+
+int gs_setsmoothness(P2(gs_state *, floatp));
+float gs_currentsmoothness(P1(const gs_state *));
+int gs_shfill(P2(gs_state *, const gs_shading_t *));
+
+#endif /* gscolor3_INCLUDED */
diff --git a/pstoraster/gscompt.h b/pstoraster/gscompt.h
new file mode 100644
index 000000000..afaa3340a
--- /dev/null
+++ b/pstoraster/gscompt.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Abstract types for compositing objects */
+
+#ifndef gscompt_INCLUDED
+#  define gscompt_INCLUDED
+
+/*
+ * Compositing is the next-to-last step in the rendering pipeline.
+ * It occurs after color correction but before halftoning (if needed).
+ *
+ * gs_composite_t is the abstract superclass for compositing functions such
+ * as RasterOp functions or alpha-based compositing.  Concrete subclasses
+ * must provide a default implementation (presumably based on
+ * get_bits_rectangle and copy_color) for devices that provide no optimized
+ * implementation of their own.
+ *
+ * A client that wants to produce composited output asks the target device
+ * to create an appropriate compositing device based on the target device
+ * and the gs_composite_t (and possibly other elements of the imager state).
+ * If the target device doesn't have its own implementation for the
+ * requested function, format, and state, it passes the buck to the
+ * gs_composite_t, which may make further tests for special cases before
+ * creating and returning a compositing device that uses the default
+ * implementation.
+ */
+typedef struct gs_composite_s gs_composite_t;
+
+/*
+ * To enable fast cache lookup and equality testing, compositing functions,
+ * like halftones, black generation functions, etc., carry a unique ID (time
+ * stamp).
+ */
+gs_id gs_composite_id(P1(const gs_composite_t * pcte));
+
+#endif /* gscompt_INCLUDED */
diff --git a/pstoraster/gscoord.c b/pstoraster/gscoord.c
new file mode 100644
index 000000000..2ff98f9c2
--- /dev/null
+++ b/pstoraster/gscoord.c
@@ -0,0 +1,507 @@
+/* Copyright (C) 1989, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Coordinate system operators for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsccode.h"		/* for gxfont.h */
+#include "gxfarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxfont.h"		/* for char_tm */
+#include "gxpath.h"		/* for gx_path_translate */
+#include "gzstate.h"
+#include "gxcoord.h"		/* requires gsmatrix, gsstate */
+#include "gxdevice.h"
+
+/* Choose whether to enable the rounding code in update_ctm. */
+#define ROUND_CTM_FIXED 1
+
+/* Forward declarations */
+#ifdef DEBUG
+#define trace_ctm(pgs) trace_matrix_fixed(&(pgs)->ctm)
+private void trace_matrix_fixed(P1(const gs_matrix_fixed *));
+private void trace_matrix(P1(const gs_matrix *));
+
+#endif
+
+/* Macro for ensuring ctm_inverse is valid */
+#ifdef DEBUG
+#  define print_inverse(pgs)\
+     if ( gs_debug_c('x') )\
+       dlprintf("[x]Inverting:\n"), trace_ctm(pgs), trace_matrix(&pgs->ctm_inverse)
+#else
+#  define print_inverse(pgs) DO_NOTHING
+#endif
+#define ensure_inverse_valid(pgs)\
+	if ( !pgs->ctm_inverse_valid )\
+	   {	int code = ctm_set_inverse(pgs);\
+		if ( code < 0 ) return code;\
+	   }
+
+private int
+ctm_set_inverse(gs_state * pgs)
+{
+    int code = gs_matrix_invert(&ctm_only(pgs), &pgs->ctm_inverse);
+
+    print_inverse(pgs);
+    if (code < 0)
+	return code;
+    pgs->ctm_inverse_valid = true;
+    return 0;
+}
+
+/* Machinery for updating fixed version of ctm. */
+/*
+ * We (conditionally) adjust the floating point translation
+ * so that it exactly matches the (rounded) fixed translation.
+ * This avoids certain unpleasant rounding anomalies, such as
+ * 0 0 moveto currentpoint not returning 0 0, and () stringwidth
+ * not returning 0 0.
+ */
+#if ROUND_CTM_FIXED
+#  define update_t_fixed(mat, t, t_fixed, v)\
+    (set_float2fixed_vars((mat).t_fixed, v),\
+     set_fixed2float_var((mat).t, (mat).t_fixed))
+#else /* !ROUND_CTM_FIXED */
+#  define update_t_fixed(mat, t, t_fixed, v)\
+    ((mat).t = (v),\
+     set_float2fixed_vars((mat).t_fixed, (mat).t))
+#endif /* (!)ROUND_CTM_FIXED */
+#define f_fits_in_fixed(f) f_fits_in_bits(f, fixed_int_bits)
+#define update_matrix_fixed(mat, xt, yt)\
+  ((mat).txy_fixed_valid = (f_fits_in_fixed(xt) && f_fits_in_fixed(yt) ?\
+			    (update_t_fixed(mat, tx, tx_fixed, xt),\
+			     update_t_fixed(mat, ty, ty_fixed, yt), true) :\
+			    ((mat).tx = (xt), (mat).ty = (yt), false)))
+#define update_ctm(pgs, xt, yt)\
+  (pgs->ctm_inverse_valid = false,\
+   pgs->char_tm_valid = false,\
+   update_matrix_fixed(pgs->ctm, xt, yt))
+
+/* ------ Coordinate system definition ------ */
+
+int
+gs_initmatrix(gs_state * pgs)
+{
+    gs_matrix imat;
+
+    gs_defaultmatrix(pgs, &imat);
+    update_ctm(pgs, imat.tx, imat.ty);
+    set_ctm_only(pgs, imat);
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf("[x]initmatrix:\n"), trace_ctm(pgs);
+#endif
+    return 0;
+}
+
+int
+gs_defaultmatrix(const gs_state * pgs, gs_matrix * pmat)
+{
+    gx_device *dev;
+
+    if (pgs->ctm_default_set) {	/* set after Install */
+	*pmat = pgs->ctm_default;
+	return 1;
+    }
+    dev = gs_currentdevice_inline(pgs);
+    gs_deviceinitialmatrix(dev, pmat);
+    /* Add in the translation for the Margins. */
+    pmat->tx += dev->Margins[0] *
+	dev->HWResolution[0] / dev->MarginsHWResolution[0];
+    pmat->ty += dev->Margins[1] *
+	dev->HWResolution[1] / dev->MarginsHWResolution[1];
+    return 0;
+}
+
+int
+gs_setdefaultmatrix(gs_state * pgs, const gs_matrix * pmat)
+{
+    if (pmat == NULL)
+	pgs->ctm_default_set = false;
+    else {
+	pgs->ctm_default = *pmat;
+	pgs->ctm_default_set = true;
+    }
+    return 0;
+}
+
+int
+gs_currentmatrix(const gs_state * pgs, gs_matrix * pmat)
+{
+    *pmat = ctm_only(pgs);
+    return 0;
+}
+
+/* Set the current transformation matrix for rendering text. */
+/* Note that this may be based on a font other than the current font. */
+int
+gs_setcharmatrix(gs_state * pgs, const gs_matrix * pmat)
+{
+    gs_matrix cmat;
+    int code = gs_matrix_multiply(pmat, &ctm_only(pgs), &cmat);
+
+    if (code < 0)
+	return code;
+    update_matrix_fixed(pgs->char_tm, cmat.tx, cmat.ty);
+    char_tm_only(pgs) = cmat;
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf("[x]setting char_tm:"), trace_matrix_fixed(&pgs->char_tm);
+#endif
+    pgs->char_tm_valid = true;
+    return 0;
+}
+
+/* Read (after possibly computing) the current transformation matrix */
+/* for rendering text.  If force=true, update char_tm if it is invalid; */
+/* if force=false, don't update char_tm, and return an error code. */
+int
+gs_currentcharmatrix(gs_state * pgs, gs_matrix * ptm, bool force)
+{
+    if (!pgs->char_tm_valid) {
+	int code;
+
+	if (!force)
+	    return_error(gs_error_undefinedresult);
+	code = gs_setcharmatrix(pgs, &pgs->font->FontMatrix);
+	if (code < 0)
+	    return code;
+    }
+    if (ptm != NULL)
+	*ptm = char_tm_only(pgs);
+    return 0;
+}
+
+int
+gs_setmatrix(gs_state * pgs, const gs_matrix * pmat)
+{
+    update_ctm(pgs, pmat->tx, pmat->ty);
+    set_ctm_only(pgs, *pmat);
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf("[x]setmatrix:\n"), trace_ctm(pgs);
+#endif
+    return 0;
+}
+
+int
+gs_imager_setmatrix(gs_imager_state * pis, const gs_matrix * pmat)
+{
+    update_matrix_fixed(pis->ctm, pmat->tx, pmat->ty);
+    set_ctm_only(pis, *pmat);
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf("[x]imager_setmatrix:\n"), trace_ctm(pis);
+#endif
+    return 0;
+}
+
+int
+gs_settocharmatrix(gs_state * pgs)
+{
+    if (pgs->char_tm_valid) {
+	pgs->ctm = pgs->char_tm;
+	pgs->ctm_inverse_valid = false;
+	return 0;
+    } else
+	return_error(gs_error_undefinedresult);
+}
+
+int
+gs_translate(gs_state * pgs, floatp dx, floatp dy)
+{
+    gs_point pt;
+    int code;
+
+    if ((code = gs_distance_transform(dx, dy, &ctm_only(pgs), &pt)) < 0)
+	return code;
+    pt.x += pgs->ctm.tx;
+    pt.y += pgs->ctm.ty;
+    update_ctm(pgs, pt.x, pt.y);
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf4("[x]translate: %f %f -> %f %f\n",
+		  dx, dy, pt.x, pt.y),
+	    trace_ctm(pgs);
+#endif
+    return 0;
+}
+
+int
+gs_scale(gs_state * pgs, floatp sx, floatp sy)
+{
+    pgs->ctm.xx *= sx;
+    pgs->ctm.xy *= sx;
+    pgs->ctm.yx *= sy;
+    pgs->ctm.yy *= sy;
+    pgs->ctm_inverse_valid = false, pgs->char_tm_valid = false;
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf2("[x]scale: %f %f\n", sx, sy), trace_ctm(pgs);
+#endif
+    return 0;
+}
+
+int
+gs_rotate(gs_state * pgs, floatp ang)
+{
+    int code = gs_matrix_rotate(&ctm_only(pgs), ang,
+				&ctm_only_writable(pgs));
+
+    pgs->ctm_inverse_valid = false, pgs->char_tm_valid = false;
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf1("[x]rotate: %f\n", ang), trace_ctm(pgs);
+#endif
+    return code;
+}
+
+int
+gs_concat(gs_state * pgs, const gs_matrix * pmat)
+{
+    gs_matrix cmat;
+    int code = gs_matrix_multiply(pmat, &ctm_only(pgs), &cmat);
+
+    if (code < 0)
+	return code;
+    update_ctm(pgs, cmat.tx, cmat.ty);
+    set_ctm_only(pgs, cmat);
+#ifdef DEBUG
+    if (gs_debug_c('x'))
+	dlprintf("[x]concat:\n"), trace_matrix(pmat), trace_ctm(pgs);
+#endif
+    return code;
+}
+
+/* ------ Coordinate transformation ------ */
+
+#define is_skewed(pmat) (!(is_xxyy(pmat) || is_xyyx(pmat)))
+
+int
+gs_transform(gs_state * pgs, floatp x, floatp y, gs_point * pt)
+{
+    return gs_point_transform(x, y, &ctm_only(pgs), pt);
+}
+
+int
+gs_dtransform(gs_state * pgs, floatp dx, floatp dy, gs_point * pt)
+{
+    return gs_distance_transform(dx, dy, &ctm_only(pgs), pt);
+}
+
+int
+gs_itransform(gs_state * pgs, floatp x, floatp y, gs_point * pt)
+{				/* If the matrix isn't skewed, we get more accurate results */
+    /* by using transform_inverse than by using the inverse matrix. */
+    if (!is_skewed(&pgs->ctm)) {
+	return gs_point_transform_inverse(x, y, &ctm_only(pgs), pt);
+    } else {
+	ensure_inverse_valid(pgs);
+	return gs_point_transform(x, y, &pgs->ctm_inverse, pt);
+    }
+}
+
+int
+gs_idtransform(gs_state * pgs, floatp dx, floatp dy, gs_point * pt)
+{				/* If the matrix isn't skewed, we get more accurate results */
+    /* by using transform_inverse than by using the inverse matrix. */
+    if (!is_skewed(&pgs->ctm)) {
+	return gs_distance_transform_inverse(dx, dy,
+					     &ctm_only(pgs), pt);
+    } else {
+	ensure_inverse_valid(pgs);
+	return gs_distance_transform(dx, dy, &pgs->ctm_inverse, pt);
+    }
+}
+
+int
+gs_imager_idtransform(const gs_imager_state * pis, floatp dx, floatp dy,
+		      gs_point * pt)
+{
+    return gs_distance_transform_inverse(dx, dy, &ctm_only(pis), pt);
+}
+
+/* ------ For internal use only ------ */
+
+/* Set the translation to a fixed value, and translate any existing path. */
+/* Used by gschar.c to prepare for a BuildChar or BuildGlyph procedure. */
+int
+gx_translate_to_fixed(register gs_state * pgs, fixed px, fixed py)
+{
+    double fpx = fixed2float(px);
+    double fdx = fpx - pgs->ctm.tx;
+    double fpy = fixed2float(py);
+    double fdy = fpy - pgs->ctm.ty;
+    fixed dx, dy;
+    int code;
+
+    if (pgs->ctm.txy_fixed_valid) {
+	dx = float2fixed(fdx);
+	dy = float2fixed(fdy);
+	code = gx_path_translate(pgs->path, dx, dy);
+	if (code < 0)
+	    return code;
+	if (pgs->char_tm_valid && pgs->char_tm.txy_fixed_valid)
+	    pgs->char_tm.tx_fixed += dx,
+		pgs->char_tm.ty_fixed += dy;
+    } else {
+	if (!gx_path_is_null(pgs->path))
+	    return_error(gs_error_limitcheck);
+    }
+    pgs->ctm.tx = fpx;
+    pgs->ctm.tx_fixed = px;
+    pgs->ctm.ty = fpy;
+    pgs->ctm.ty_fixed = py;
+    pgs->ctm.txy_fixed_valid = true;
+    pgs->ctm_inverse_valid = false;
+    if (pgs->char_tm_valid) {	/* Update char_tm now, leaving it valid. */
+	pgs->char_tm.tx += fdx;
+	pgs->char_tm.ty += fdy;
+    }
+#ifdef DEBUG
+    if (gs_debug_c('x')) {
+	dlprintf2("[x]translate_to_fixed %g, %g:\n",
+		  fixed2float(px), fixed2float(py));
+	trace_ctm(pgs);
+	dlprintf("[x]   char_tm:\n");
+	trace_matrix_fixed(&pgs->char_tm);
+    }
+#endif
+    return 0;
+}
+
+/* Scale the CTM and character matrix for oversampling. */
+int
+gx_scale_char_matrix(register gs_state * pgs, int sx, int sy)
+{
+#define scale_cxy(s, vx, vy)\
+  if ( s != 1 )\
+   {	pgs->ctm.vx *= s;\
+	pgs->ctm.vy *= s;\
+	pgs->ctm_inverse_valid = false;\
+	if ( pgs->char_tm_valid )\
+	{	pgs->char_tm.vx *= s;\
+		pgs->char_tm.vy *= s;\
+	}\
+   }
+    scale_cxy(sx, xx, yx);
+    scale_cxy(sy, xy, yy);
+#undef scale_cxy
+    if_debug2('x', "[x]char scale: %d %d\n", sx, sy);
+    return 0;
+}
+
+/* Compute the coefficients for fast fixed-point distance transformations */
+/* from a transformation matrix. */
+/* We should cache the coefficients with the ctm.... */
+int
+gx_matrix_to_fixed_coeff(const gs_matrix * pmat, register fixed_coeff * pfc,
+			 int max_bits)
+{
+    gs_matrix ctm;
+    int scale = -10000;
+    int expt, shift;
+
+    ctm = *pmat;
+    pfc->skewed = 0;
+    if (!is_fzero(ctm.xx)) {
+	discard(frexp(ctm.xx, &scale));
+    }
+    if (!is_fzero(ctm.xy)) {
+	discard(frexp(ctm.xy, &expt));
+	if (expt > scale)
+	    scale = expt;
+	pfc->skewed = 1;
+    }
+    if (!is_fzero(ctm.yx)) {
+	discard(frexp(ctm.yx, &expt));
+	if (expt > scale)
+	    scale = expt;
+	pfc->skewed = 1;
+    }
+    if (!is_fzero(ctm.yy)) {
+	discard(frexp(ctm.yy, &expt));
+	if (expt > scale)
+	    scale = expt;
+    }
+    scale = sizeof(long) * 8 - 1 - max_bits - scale;
+
+    shift = scale - _fixed_shift;
+    if (shift > 0) {
+	pfc->shift = shift;
+	pfc->round = (fixed) 1 << (shift - 1);
+    } else {
+	pfc->shift = 0;
+	pfc->round = 0;
+	scale -= shift;
+    }
+#define set_c(c)\
+  if ( is_fzero(ctm.c) ) pfc->c.f = 0, pfc->c.l = 0;\
+  else pfc->c.f = ldexp(ctm.c, _fixed_shift), pfc->c.l = (long)ldexp(ctm.c, scale)
+    set_c(xx);
+    set_c(xy);
+    set_c(yx);
+    set_c(yy);
+#ifdef DEBUG
+    if (gs_debug_c('x')) {
+	dlprintf6("[x]ctm: [%6g %6g %6g %6g %6g %6g]\n",
+		  ctm.xx, ctm.xy, ctm.yx, ctm.yy, ctm.tx, ctm.ty);
+	dlprintf6("   scale=%d fc: [0x%lx 0x%lx 0x%lx 0x%lx] shift=%d\n",
+		  scale, pfc->xx.l, pfc->xy.l, pfc->yx.l, pfc->yy.l,
+		  pfc->shift);
+    }
+#endif
+    pfc->max_bits = max_bits;
+    return 0;
+}
+
+/* ------ Debugging printout ------ */
+
+#ifdef DEBUG
+
+/* Print a matrix */
+private void
+trace_matrix_fixed(const gs_matrix_fixed * pmat)
+{
+    trace_matrix((const gs_matrix *)pmat);
+    if (pmat->txy_fixed_valid) {
+	dprintf2("\t\tt_fixed: [%6g %6g]\n",
+		 fixed2float(pmat->tx_fixed),
+		 fixed2float(pmat->ty_fixed));
+    } else {
+	dputs("\t\tt_fixed not valid\n");
+    }
+}
+private void
+trace_matrix(register const gs_matrix * pmat)
+{
+    dlprintf6("\t[%6g %6g %6g %6g %6g %6g]\n",
+	      pmat->xx, pmat->xy, pmat->yx, pmat->yy, pmat->tx, pmat->ty);
+}
+
+#endif
diff --git a/pstoraster/gscoord.h b/pstoraster/gscoord.h
new file mode 100644
index 000000000..9933182cd
--- /dev/null
+++ b/pstoraster/gscoord.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1989, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmatrix.h and gsstate.h */
+
+#ifndef gscoord_INCLUDED
+#  define gscoord_INCLUDED
+
+/* Coordinate system modification */
+int gs_initmatrix(P1(gs_state *)), gs_defaultmatrix(P2(const gs_state *, gs_matrix *)),
+      gs_currentmatrix(P2(const gs_state *, gs_matrix *)), gs_setmatrix(P2(gs_state *, const gs_matrix *)),
+      gs_translate(P3(gs_state *, floatp, floatp)), gs_scale(P3(gs_state *, floatp, floatp)),
+      gs_rotate(P2(gs_state *, floatp)), gs_concat(P2(gs_state *, const gs_matrix *));
+
+/* Extensions */
+int gs_setdefaultmatrix(P2(gs_state *, const gs_matrix *)), gs_currentcharmatrix(P3(gs_state *, gs_matrix *, bool)),
+      gs_setcharmatrix(P2(gs_state *, const gs_matrix *)), gs_settocharmatrix(P1(gs_state *));
+
+/* Coordinate transformation */
+int gs_transform(P4(gs_state *, floatp, floatp, gs_point *)), gs_dtransform(P4(gs_state *, floatp, floatp, gs_point *)),
+    gs_itransform(P4(gs_state *, floatp, floatp, gs_point *)), gs_idtransform(P4(gs_state *, floatp, floatp, gs_point *));
+
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+
+int gs_imager_setmatrix(P2(gs_imager_state *, const gs_matrix *));
+int gs_imager_idtransform(P4(const gs_imager_state *, floatp, floatp,
+			     gs_point *));
+
+#endif /* gscoord_INCLUDED */
diff --git a/pstoraster/gscparam.c b/pstoraster/gscparam.c
new file mode 100644
index 000000000..ba951411a
--- /dev/null
+++ b/pstoraster/gscparam.c
@@ -0,0 +1,480 @@
+/* Copyright (C) 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Default implementation of parameter lists */
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsparam.h"
+#include "gsstruct.h"
+
+/* Forward references */
+typedef union c_param_value_s {
+    GS_PARAM_VALUE_UNION(gs_c_param_list);
+} gs_c_param_value;
+/*typedef struct gs_c_param_s gs_c_param; *//* in gsparam.h */
+
+/* Define the GC type for a parameter list. */
+private_st_c_param_list();
+
+/* Lengths corresponding to various gs_param_type_xxx types */
+const byte gs_param_type_sizes[] = {
+    GS_PARAM_TYPE_SIZES(sizeof(gs_c_param_list))
+};
+
+/* Lengths of *actual* data-containing type pointed to or contained by gs_param_type_xxx's */
+const byte gs_param_type_base_sizes[] = {
+    GS_PARAM_TYPE_BASE_SIZES(0)
+};
+
+/*
+ * Define a parameter list element.  We use gs_param_type_any to identify
+ * elements that have been requested but not yet written.  The reading
+ * procedures must recognize such elements as undefined, and ignore them.
+ */
+struct gs_c_param_s {
+    gs_c_param *next;
+    gs_param_name key;
+    gs_c_param_value value;
+    gs_param_type type;
+    void *alternate_typed_data;
+};
+
+/* Parameter values aren't really simple, */
+/* but since parameter lists are transient, it doesn't matter. */
+gs_private_st_ptrs2(st_c_param, gs_c_param, "gs_c_param",
+	 c_param_enum_ptrs, c_param_reloc_ptrs, next, alternate_typed_data);
+
+/* ---------------- Utilities ---------------- */
+
+private gs_c_param *
+c_param_find(const gs_c_param_list * plist, gs_param_name pkey, bool any)
+{
+    gs_c_param *pparam = plist->head;
+
+    for (; pparam != 0; pparam = pparam->next)
+	if (!strcmp(pparam->key, pkey))
+	    return (pparam->type != gs_param_type_any || any ? pparam : 0);
+    return 0;
+}
+
+/* ---------------- Writing parameters to a list ---------------- */
+
+private param_proc_begin_xmit_collection(c_param_begin_write_collection);
+private param_proc_end_xmit_collection(c_param_end_write_collection);
+private param_proc_xmit_typed(c_param_write_typed);
+private param_proc_request(c_param_request);
+private param_proc_requested(c_param_requested);
+private const gs_param_list_procs c_write_procs =
+{
+    c_param_write_typed,
+    c_param_begin_write_collection,
+    c_param_end_write_collection,
+    NULL,			/* get_next_key */
+    c_param_request,
+    c_param_requested
+};
+
+/* Initialize a list for writing. */
+void
+gs_c_param_list_write(gs_c_param_list * plist, gs_memory_t * mem)
+{
+    plist->procs = &c_write_procs;
+    plist->memory = mem;
+    plist->head = 0;
+    plist->count = 0;
+    plist->any_requested = false;
+    plist->coll_type = gs_param_collection_dict_any;
+}
+
+/* Release a list. */
+void
+gs_c_param_list_release(gs_c_param_list * plist)
+{
+    gs_c_param *pparam;
+
+    while ((pparam = plist->head) != 0) {
+	gs_c_param *next = pparam->next;
+
+	switch (pparam->type) {
+	    case gs_param_type_dict:
+	    case gs_param_type_dict_int_keys:
+	    case gs_param_type_array:
+		gs_c_param_list_release(&pparam->value.d);
+		break;
+	    case gs_param_type_string:
+	    case gs_param_type_name:
+	    case gs_param_type_int_array:
+	    case gs_param_type_float_array:
+	    case gs_param_type_string_array:
+	    case gs_param_type_name_array:
+		if (!pparam->value.s.persistent)
+		    gs_free_object(plist->memory, (void *)pparam->value.s.data,
+				   "gs_c_param_list_release data");
+		break;
+	    default:
+		break;
+	}
+	gs_free_object(plist->memory, pparam->alternate_typed_data,
+		       "gs_c_param_list_release alternate data");
+	gs_free_object(plist->memory, pparam,
+		       "gs_c_param_list_release entry");
+	plist->head = next;
+	plist->count--;
+    }
+}
+
+/* Add an entry to a list.  Doesn't set: value, type, plist->head. */
+private gs_c_param *
+c_param_add(gs_c_param_list * plist, gs_param_name pkey)
+{
+    gs_c_param *pparam =
+	gs_alloc_struct(plist->memory, gs_c_param, &st_c_param,
+			"c_param_write entry");
+
+    if (pparam == 0)
+	return 0;
+    pparam->next = plist->head;
+    pparam->key = pkey;
+    pparam->alternate_typed_data = 0;
+    return pparam;
+}
+
+/*  Write a dynamically typed parameter to a list. */
+private int
+c_param_write(gs_c_param_list * plist, gs_param_name pkey, void *pvalue,
+	      gs_param_type type)
+{
+    unsigned top_level_sizeof = 0;
+    unsigned second_level_sizeof = 0;
+    gs_c_param *pparam = c_param_add(plist, pkey);
+
+    if (pparam == 0)
+	return_error(gs_error_VMerror);
+    memcpy(&pparam->value, pvalue, gs_param_type_sizes[(int)type]);
+    pparam->type = type;
+
+    /* Need deeper copies of data if it's not persistent */
+    switch (type) {
+	    gs_param_string const *curr_string;
+	    gs_param_string const *end_string;
+
+	case gs_param_type_string_array:
+	case gs_param_type_name_array:
+	    /* Determine how much mem needed to hold actual string data */
+	    curr_string = pparam->value.sa.data;
+	    end_string = curr_string + pparam->value.sa.size;
+	    for (; curr_string < end_string; ++curr_string)
+		if (!curr_string->persistent)
+		    second_level_sizeof += curr_string->size;
+	    /* fall thru */
+
+	case gs_param_type_string:
+	case gs_param_type_name:
+	case gs_param_type_int_array:
+	case gs_param_type_float_array:
+	    if (!pparam->value.s.persistent) {	/* Allocate & copy object pointed to by array or string */
+		byte *top_level_memory;
+
+		top_level_sizeof =
+		    pparam->value.s.size * gs_param_type_base_sizes[type];
+		top_level_memory =
+		    gs_alloc_bytes_immovable(plist->memory,
+				     top_level_sizeof + second_level_sizeof,
+					     "c_param_write data");
+		if (top_level_memory == 0) {
+		    gs_free_object(plist->memory, pparam, "c_param_write entry");
+		    return_error(gs_error_VMerror);
+		}
+		memcpy(top_level_memory, pparam->value.s.data, top_level_sizeof);
+		pparam->value.s.data = top_level_memory;
+
+		/* String/name arrays need to copy actual str data */
+
+		if (second_level_sizeof > 0) {
+		    byte *second_level_memory =
+		    top_level_memory + top_level_sizeof;
+
+		    curr_string = pparam->value.sa.data;
+		    end_string = curr_string + pparam->value.sa.size;
+		    for (; curr_string < end_string; ++curr_string)
+			if (!curr_string->persistent) {
+			    memcpy(second_level_memory,
+				   curr_string->data, curr_string->size);
+			    ((gs_param_string *) curr_string)->data
+				= second_level_memory;
+			    second_level_memory += curr_string->size;
+			}
+		}
+	    }
+	    break;
+	default:
+	    break;
+    }
+
+    plist->head = pparam;
+    plist->count++;
+    return 0;
+}
+
+/* Individual writing routines. */
+private int
+c_param_begin_write_collection(gs_param_list * plist, gs_param_name pkey,
+	       gs_param_dict * pvalue, gs_param_collection_type_t coll_type)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_c_param_list *dlist =
+	gs_alloc_struct(cplist->memory, gs_c_param_list, &st_c_param_list,
+			"c_param_begin_write_collection");
+
+    if (dlist == 0)
+	return_error(gs_error_VMerror);
+    gs_c_param_list_write(dlist, cplist->memory);
+    dlist->coll_type = coll_type;
+    pvalue->list = (gs_param_list *) dlist;
+    return 0;
+}
+private int
+c_param_end_write_collection(gs_param_list * plist, gs_param_name pkey,
+			     gs_param_dict * pvalue)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_c_param_list *dlist = (gs_c_param_list *) pvalue->list;
+
+    return c_param_write(cplist, pkey, pvalue->list,
+		    (dlist->coll_type == gs_param_collection_dict_int_keys ?
+		     gs_param_type_dict_int_keys :
+		     dlist->coll_type == gs_param_collection_array ?
+		     gs_param_type_array : gs_param_type_dict));
+}
+private int
+c_param_write_typed(gs_param_list * plist, gs_param_name pkey,
+		    gs_param_typed_value * pvalue)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_param_collection_type_t coll_type;
+
+    switch (pvalue->type) {
+	case gs_param_type_dict:
+	    coll_type = gs_param_collection_dict_any;
+	    break;
+	case gs_param_type_dict_int_keys:
+	    coll_type = gs_param_collection_dict_int_keys;
+	    break;
+	case gs_param_type_array:
+	    coll_type = gs_param_collection_array;
+	    break;
+	default:
+	    return c_param_write(cplist, pkey, &pvalue->value, pvalue->type);
+    }
+    return c_param_begin_write_collection
+	(plist, pkey, &pvalue->value.d, coll_type);
+}
+
+/* Other procedures */
+
+private int
+c_param_request(gs_param_list * plist, gs_param_name pkey)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_c_param *pparam;
+
+    cplist->any_requested = true;
+    if (c_param_find(cplist, pkey, true))
+	return 0;
+    pparam = c_param_add(cplist, pkey);
+    if (pparam == 0)
+	return_error(gs_error_VMerror);
+    pparam->type = gs_param_type_any; /* mark as undefined */
+    cplist->head = pparam;
+    return 0;
+}
+
+private int
+c_param_requested(const gs_param_list * plist, gs_param_name pkey)
+{
+    const gs_c_param_list *const cplist = (const gs_c_param_list *)plist;
+
+    return (!cplist->any_requested ? -1 :
+	    c_param_find(cplist, pkey, true) != 0);
+}
+
+/* ---------------- Reading from a list to parameters ---------------- */
+
+private param_proc_begin_xmit_collection(c_param_begin_read_collection);
+private param_proc_end_xmit_collection(c_param_end_read_collection);
+private param_proc_xmit_typed(c_param_read_typed);
+private param_proc_next_key(c_param_get_next_key);
+private param_proc_get_policy(c_param_read_get_policy);
+private param_proc_signal_error(c_param_read_signal_error);
+private param_proc_commit(c_param_read_commit);
+private const gs_param_list_procs c_read_procs =
+{
+    c_param_read_typed,
+    c_param_begin_read_collection,
+    c_param_end_read_collection,
+    c_param_get_next_key,
+    NULL,			/* request, N/A */
+    NULL,			/* requested, N/A */
+    c_param_read_get_policy,
+    c_param_read_signal_error,
+    c_param_read_commit
+};
+
+/* Switch a list from writing to reading. */
+void
+gs_c_param_list_read(gs_c_param_list * plist)
+{
+    plist->procs = &c_read_procs;
+}
+
+/* Generic routine for reading a parameter from a list. */
+
+private int
+c_param_read_typed(gs_param_list * plist, gs_param_name pkey,
+		   gs_param_typed_value * pvalue)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_param_type req_type = pvalue->type;
+    gs_c_param *pparam = c_param_find(cplist, pkey, false);
+    int code;
+
+    if (pparam == 0)
+	return 1;
+    pvalue->type = pparam->type;
+    switch (pvalue->type) {
+	case gs_param_type_dict:
+	case gs_param_type_dict_int_keys:
+	case gs_param_type_array:
+	    gs_c_param_list_read(&pparam->value.d);
+	    pvalue->value.d.list = (gs_param_list *) & pparam->value.d;
+	    pvalue->value.d.size = pparam->value.d.count;
+	    return 0;
+	default:
+	    break;
+    }
+    memcpy(&pvalue->value, &pparam->value,
+	   gs_param_type_sizes[(int)pparam->type]);
+    code = param_coerce_typed(pvalue, req_type, NULL);
+/****** SHOULD LET param_coerce_typed DO THIS ******/
+    if (code == gs_error_typecheck &&
+	req_type == gs_param_type_float_array &&
+	pvalue->type == gs_param_type_int_array
+	) {
+	/* Convert int array to float dest */
+	gs_param_float_array fa;
+	int element;
+
+	fa.size = pparam->value.ia.size;
+	fa.persistent = false;
+
+	if (pparam->alternate_typed_data == 0) {
+	    if ((pparam->alternate_typed_data
+		 = (void *)gs_alloc_bytes_immovable(cplist->memory,
+						    fa.size * sizeof(float),
+			     "gs_c_param_read alternate float array")) == 0)
+		      return_error(gs_error_VMerror);
+
+	    for (element = 0; element < fa.size; ++element)
+		((float *)(pparam->alternate_typed_data))[element]
+		    = (float)pparam->value.ia.data[element];
+	}
+	fa.data = (float *)pparam->alternate_typed_data;
+
+	pvalue->value.fa = fa;
+	return 0;
+    }
+    return code;
+}
+
+/* Individual reading routines. */
+private int
+c_param_begin_read_collection(gs_param_list * plist, gs_param_name pkey,
+	       gs_param_dict * pvalue, gs_param_collection_type_t coll_type)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_c_param *pparam = c_param_find(cplist, pkey, false);
+
+    if (pparam == 0)
+	return 1;
+    switch (pparam->type) {
+	case gs_param_type_dict:
+	    if (coll_type != gs_param_collection_dict_any)
+		return_error(gs_error_typecheck);
+	    break;
+	case gs_param_type_dict_int_keys:
+	    if (coll_type == gs_param_collection_array)
+		return_error(gs_error_typecheck);
+	    break;
+	case gs_param_type_array:
+	    break;
+	default:
+	    return_error(gs_error_typecheck);
+    }
+    gs_c_param_list_read(&pparam->value.d);
+    pvalue->list = (gs_param_list *) & pparam->value.d;
+    pvalue->size = pparam->value.d.count;
+    return 0;
+}
+private int
+c_param_end_read_collection(gs_param_list * plist, gs_param_name pkey,
+			    gs_param_dict * pvalue)
+{
+    return 0;
+}
+
+/* Other procedures */
+private int			/* ret 0 ok, 1 if EOF, or -ve err */
+c_param_get_next_key(gs_param_list * plist, gs_param_enumerator_t * penum,
+		     gs_param_key_t * key)
+{
+    gs_c_param_list *const cplist = (gs_c_param_list *)plist;
+    gs_c_param *pparam =
+    (penum->pvoid ? ((gs_c_param *) (penum->pvoid))->next :
+     cplist->head);
+
+    if (pparam == 0)
+	return 1;
+    penum->pvoid = pparam;
+    key->data = (const byte *)pparam->key;	/* was const char * */
+    key->size = strlen(pparam->key);
+    return 0;
+}
+private int
+c_param_read_get_policy(gs_param_list * plist, gs_param_name pkey)
+{
+    return gs_param_policy_ignore;
+}
+private int
+c_param_read_signal_error(gs_param_list * plist, gs_param_name pkey, int code)
+{
+    return code;
+}
+private int
+c_param_read_commit(gs_param_list * plist)
+{
+    return 0;
+}
diff --git a/pstoraster/gscpixel.c b/pstoraster/gscpixel.c
new file mode 100644
index 000000000..82212d2db
--- /dev/null
+++ b/pstoraster/gscpixel.c
@@ -0,0 +1,89 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DevicePixel color space and operation definition */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrefct.h"
+#include "gxcspace.h"
+#include "gscpixel.h"
+#include "gxdevice.h"
+
+/* Define the DevicePixel color space type. */
+private cs_proc_restrict_color(gx_restrict_DevicePixel);
+private cs_proc_remap_concrete_color(gx_remap_concrete_DevicePixel);
+private cs_proc_concretize_color(gx_concretize_DevicePixel);
+private const gs_color_space_type gs_color_space_type_DevicePixel = {
+    gs_color_space_index_DevicePixel, true, false,
+    &st_base_color_space, gx_num_components_1,
+    gx_no_base_space,
+    gx_init_paint_1, gx_restrict_DevicePixel,
+    gx_same_concrete_space,
+    gx_concretize_DevicePixel, gx_remap_concrete_DevicePixel,
+    gx_default_remap_color, gx_no_install_cspace,
+    gx_no_adjust_cspace_count, gx_no_adjust_color_count
+};
+
+/* Create a DevicePixel color space. */
+void
+gs_cs_init_DevicePixel(gs_color_space * pcs, int depth)
+{
+    pcs->type = &gs_color_space_type_DevicePixel;
+    pcs->params.pixel.depth = depth;
+}
+
+/* ------ Internal routines ------ */
+
+/* Force a DevicePixel color into legal range. */
+private void
+gx_restrict_DevicePixel(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    /****** NOT ENOUGH BITS IN float OR frac ******/
+    floatp pixel = pcc->paint.values[0];
+    ulong max_value = (1L << pcs->params.pixel.depth) - 1;
+
+    pcc->paint.values[0] = (pixel < 0 ? 0 : min(pixel, max_value));
+}
+
+
+/* Remap a DevicePixel color. */
+
+private int
+gx_concretize_DevicePixel(const gs_client_color * pc, const gs_color_space * pcs,
+			  frac * pconc, const gs_imager_state * pis)
+{
+    /****** NOT ENOUGH BITS IN float OR frac ******/
+    pconc[0] = (frac) (ulong) pc->paint.values[0];
+    return 0;
+}
+
+private int
+gx_remap_concrete_DevicePixel(const frac * pconc,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			      gs_color_select_t select)
+{
+    color_set_pure(pdc, pconc[0] & ((1 << dev->color_info.depth) - 1));
+    return 0;
+}
diff --git a/pstoraster/gscpixel.h b/pstoraster/gscpixel.h
new file mode 100644
index 000000000..da6cebcd8
--- /dev/null
+++ b/pstoraster/gscpixel.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gscspace.h */
+
+#ifndef gscpixel_INCLUDED
+#  define gscpixel_INCLUDED
+
+/* Create a DevicePixel color space. */
+void gs_cs_init_DevicePixel(P2(gs_color_space * pcs, int depth));
+
+#endif /* gscpixel_INCLUDED */
diff --git a/pstoraster/gscpm.h b/pstoraster/gscpm.h
new file mode 100644
index 000000000..313ca6a51
--- /dev/null
+++ b/pstoraster/gscpm.h
@@ -0,0 +1,39 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Charpath mode definitions */
+
+#ifndef gscpm_INCLUDED
+#  define gscpm_INCLUDED
+
+typedef enum {
+    cpm_show,			/* *show (default, must be 0) */
+    cpm_false_charpath,		/* false charpath */
+    cpm_true_charpath,		/* true charpath */
+    cpm_false_charboxpath,	/* false charboxpath (not standard PS) */
+    cpm_true_charboxpath	/* true charboxpath (ditto) */
+} gs_char_path_mode;
+
+#endif /* gscpm_INCLUDED */
diff --git a/pstoraster/gscrd.c b/pstoraster/gscrd.c
new file mode 100644
index 000000000..70f3517a2
--- /dev/null
+++ b/pstoraster/gscrd.c
@@ -0,0 +1,350 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CIE color rendering dictionary creation */
+#include "math_.h"
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gscdefs.h"		/* for gs_lib_device_list */
+#include "gsdevice.h"
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gsparam.h"
+#include "gxcspace.h"
+#include "gscolor2.h"		/* for gs_set/currentcolorrendering */
+#include "gscrd.h"
+
+/* Import gs_lib_device_list() */
+extern_gs_lib_device_list();
+
+/* Allocator structure type */
+public_st_cie_render1();
+#define pcrd ((gs_cie_render *)vptr)
+private 
+ENUM_PTRS_BEGIN(cie_render1_enum_ptrs) return 0;
+
+case 0:
+return ENUM_OBJ(pcrd->client_data);
+case 1:
+return ENUM_OBJ(pcrd->RenderTable.lookup.table);
+case 2:
+return (pcrd->RenderTable.lookup.table ?
+	ENUM_CONST_STRING(&pcrd->TransformPQR.proc_data) :
+	0);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(cie_render1_reloc_ptrs);
+RELOC_OBJ_VAR(pcrd->client_data);
+if (pcrd->RenderTable.lookup.table)
+{
+RELOC_OBJ_VAR(pcrd->RenderTable.lookup.table);
+RELOC_CONST_STRING_VAR(pcrd->TransformPQR.proc_data);
+}
+RELOC_PTRS_END
+#undef pcrd
+
+/* Default CRD procedures. */
+
+private int
+tpqr_identity(int index, floatp in, const gs_cie_wbsd * pwbsd,
+	      gs_cie_render * pcrd, float *out)
+{
+    *out = in;
+    return 0;
+}
+
+private float
+render_identity(floatp in, const gs_cie_render * pcrd)
+{
+    return in;
+}
+private frac
+render_table_identity(byte in, const gs_cie_render * pcrd)
+{
+    return byte2frac(in);
+}
+
+/* Transformation procedures that just consult the cache. */
+
+#define clamp_index(index)\
+  index = (index < 0 ? 0 :\
+	   index >= gx_cie_cache_size ? gx_cie_cache_size - 1 : index)
+
+private float
+EncodeABC_cached(floatp in, const gs_cie_render * pcrd, int i)
+{
+    const gx_cie_scalar_cache *pcache = &pcrd->caches.EncodeABC[i];
+
+    if (pcrd->RenderTable.lookup.table == 0) {
+	int index = (in - pcache->fracs.params.base) *
+	pcache->fracs.params.factor;
+
+	clamp_index(index);
+	return frac2float(pcache->fracs.values[index]);
+    } else {
+	/****** WRONG IF INTERPOLATING ******/
+	int index = (in - pcache->ints.params.base) *
+	pcache->ints.params.factor;
+	const gs_range *prange = &pcrd->RangeABC.ranges[i];
+	int m = pcrd->RenderTable.lookup.m;
+	int k = (i == 0 ? 1 : i == 1 ?
+		 m * pcrd->RenderTable.lookup.dims[2] : m);
+
+	clamp_index(index);
+	return (double)(pcache->ints.values[index]) / k *
+	    (prange->rmax - prange->rmin) / (gx_cie_cache_size - 1) +
+	    prange->rmin;
+    }
+}
+private float
+EncodeABC_cached_A(floatp in, const gs_cie_render * pcrd)
+{
+    return EncodeABC_cached(in, pcrd, 0);
+}
+private float
+EncodeABC_cached_B(floatp in, const gs_cie_render * pcrd)
+{
+    return EncodeABC_cached(in, pcrd, 1);
+}
+private float
+EncodeABC_cached_C(floatp in, const gs_cie_render * pcrd)
+{
+    return EncodeABC_cached(in, pcrd, 2);
+}
+private float
+EncodeLMN_cached(floatp in, const gs_cie_render * pcrd, int i)
+{
+    const gx_cie_vector_cache *pcache = &pcrd->caches.EncodeLMN[i];
+    int index = (in - pcache->floats.params.base) *
+    pcache->floats.params.factor;
+
+    clamp_index(index);
+    /* Pick any one of u, v, w.  We should probably pick the one */
+    /* with the largest coefficient.... */
+    return cie_cached2float(pcache->vecs.values[index].u) /
+	(i == 0 ? pcrd->MatrixABCEncode.cu.u :
+	 i == 1 ? pcrd->MatrixABCEncode.cv.u :
+	 pcrd->MatrixABCEncode.cw.u);
+}
+private float
+EncodeLMN_cached_L(floatp in, const gs_cie_render * pcrd)
+{
+    return EncodeLMN_cached(in, pcrd, 0);
+}
+private float
+EncodeLMN_cached_M(floatp in, const gs_cie_render * pcrd)
+{
+    return EncodeLMN_cached(in, pcrd, 1);
+}
+private float
+EncodeLMN_cached_N(floatp in, const gs_cie_render * pcrd)
+{
+    return EncodeLMN_cached(in, pcrd, 2);
+}
+
+private frac
+RTT_cached(byte in, const gs_cie_render * pcrd, int i)
+{
+    /****** NYI ******/
+    return byte2frac(in);
+}
+private frac
+RTT_cached_0(byte in, const gs_cie_render * pcrd)
+{
+    return RTT_cached(in, pcrd, 0);
+}
+private frac
+RTT_cached_1(byte in, const gs_cie_render * pcrd)
+{
+    return RTT_cached(in, pcrd, 1);
+}
+private frac
+RTT_cached_2(byte in, const gs_cie_render * pcrd)
+{
+    return RTT_cached(in, pcrd, 2);
+}
+private frac
+RTT_cached_3(byte in, const gs_cie_render * pcrd)
+{
+    return RTT_cached(in, pcrd, 3);
+}
+
+#undef clamp_index
+
+/* Define the TransformPQR trampoline procedure that looks up proc_name. */
+
+private int
+tpqr_do_lookup(gs_cie_render *pcrd, const gx_device *dev_proto)
+{
+    gx_device *dev;
+    gs_memory_t *mem = pcrd->rc.memory;
+    gs_c_param_list list;
+    gs_param_string proc_addr;
+    int code;
+
+    /* Device prototypes are const, so we must create a copy. */
+    code = gs_copydevice(&dev, dev_proto, mem);
+    if (code < 0)
+	return code;
+    gs_c_param_list_write(&list, mem);
+    code = param_request((gs_param_list *)&list,
+			 pcrd->TransformPQR.proc_name);
+    if (code >= 0) {
+	code = gs_getdeviceparams(dev, (gs_param_list *)&list);
+	if (code >= 0) {
+	    gs_c_param_list_read(&list);
+	    code = param_read_string((gs_param_list *)&list,
+				     pcrd->TransformPQR.proc_name,
+				     &proc_addr);
+	    if (code == 0 && proc_addr.size == sizeof(gs_cie_transform_proc)) {
+		memcpy(&pcrd->TransformPQR.proc, proc_addr.data,
+		       sizeof(gs_cie_transform_proc));
+	    } else
+		code = gs_note_error(gs_error_rangecheck);
+	}
+    }
+    gs_c_param_list_release(&list);
+    gs_free_object(mem, dev, "tpqr_do_lookup(device)");
+    return code;
+}
+private int
+tpqr_lookup(int index, floatp in, const gs_cie_wbsd * pwbsd,
+	    gs_cie_render * pcrd, float *out)
+{
+    const gx_device *const *dev_list;
+    int count = gs_lib_device_list(&dev_list, NULL);
+    int i;
+    int code;
+
+    for (i = 0; i < count; ++i)
+	if (!strcmp(gs_devicename(dev_list[i]),
+		    pcrd->TransformPQR.driver_name))
+	    break;
+    if (i < count)
+	code = tpqr_do_lookup(pcrd, dev_list[i]);
+    else
+	code = gs_note_error(gs_error_undefined);
+    if (code < 0)
+	return code;
+    return pcrd->TransformPQR.proc(index, in, pwbsd, pcrd, out);
+}
+
+
+/* Default vectors. */
+const gs_cie_transform_proc3 TransformPQR_default = {
+    tpqr_identity,
+    0,				/* proc_name */
+    {0, 0},			/* proc_data */
+    0				/* driver_name */
+};
+const gs_cie_transform_proc TransformPQR_lookup_proc_name = tpqr_lookup;
+const gs_cie_render_proc3 Encode_default = {
+    {render_identity, render_identity, render_identity}
+};
+const gs_cie_render_proc3 EncodeLMN_from_cache = {
+    {EncodeLMN_cached_L, EncodeLMN_cached_M, EncodeLMN_cached_N}
+};
+const gs_cie_render_proc3 EncodeABC_from_cache = {
+    {EncodeABC_cached_A, EncodeABC_cached_B, EncodeABC_cached_C}
+};
+const gs_cie_render_table_procs RenderTableT_default = {
+    {render_table_identity, render_table_identity, render_table_identity,
+     render_table_identity
+    }
+};
+const gs_cie_render_table_procs RenderTableT_from_cache = {
+    {RTT_cached_0, RTT_cached_1, RTT_cached_2, RTT_cached_3}
+};
+
+/*
+ * Allocate and minimally initialize a CRD.  Note that this procedure sets
+ * the reference count of the structure to 1, not 0.  gs_setcolorrendering
+ * will increment the reference count again, so unless you want the
+ * structure to stay allocated permanently (or until a garbage collection),
+ * you should call rc_decrement(pcrd, "client name") *after* calling
+ * gs_setcolorrendering.
+ */
+int
+gs_cie_render1_build(gs_cie_render ** ppcrd, gs_memory_t * mem,
+		     client_name_t cname)
+{
+    gs_cie_render *pcrd;
+
+    rc_alloc_struct_1(pcrd, gs_cie_render, &st_cie_render1, mem,
+		      return_error(gs_error_VMerror), cname);
+    /* Initialize pointers for the GC. */
+    pcrd->client_data = 0;
+    pcrd->RenderTable.lookup.table = 0;
+    pcrd->status = CIE_RENDER_STATUS_BUILT;
+    *ppcrd = pcrd;
+    return 0;
+}
+
+/*
+ * Initialize a CRD given all of the relevant parameters.
+ * Any of the pointers except WhitePoint may be zero, meaning
+ * use the default values.
+ *
+ * The actual point, matrix, range, and procedure values are copied into the
+ * CRD, but only the pointer to the color lookup table is copied.
+ */
+int
+gs_cie_render1_initialize(gs_cie_render * pcrd, void *client_data,
+			  const gs_vector3 * WhitePoint,
+			  const gs_vector3 * BlackPoint,
+			  const gs_matrix3 * MatrixPQR,
+			  const gs_range3 * RangePQR,
+			  const gs_cie_transform_proc3 * TransformPQR,
+			  const gs_matrix3 * MatrixLMN,
+			  const gs_cie_render_proc3 * EncodeLMN,
+			  const gs_range3 * RangeLMN,
+			  const gs_matrix3 * MatrixABC,
+			  const gs_cie_render_proc3 * EncodeABC,
+			  const gs_range3 * RangeABC,
+			  const gs_cie_render_table_t * RenderTable)
+{
+    pcrd->client_data = client_data;
+    pcrd->points.WhitePoint = *WhitePoint;
+    pcrd->points.BlackPoint =
+	*(BlackPoint ? BlackPoint : &BlackPoint_default);
+    pcrd->MatrixPQR = *(MatrixPQR ? MatrixPQR : &Matrix3_default);
+    pcrd->RangePQR = *(RangePQR ? RangePQR : &Range3_default);
+    pcrd->TransformPQR =
+	*(TransformPQR ? TransformPQR : &TransformPQR_default);
+    pcrd->MatrixLMN = *(MatrixLMN ? MatrixLMN : &Matrix3_default);
+    pcrd->EncodeLMN = *(EncodeLMN ? EncodeLMN : &Encode_default);
+    pcrd->RangeLMN = *(RangeLMN ? RangeLMN : &Range3_default);
+    pcrd->MatrixABC = *(MatrixABC ? MatrixABC : &Matrix3_default);
+    pcrd->EncodeABC = *(EncodeABC ? EncodeABC : &Encode_default);
+    pcrd->RangeABC = *(RangeABC ? RangeABC : &Range3_default);
+    if (RenderTable)
+	pcrd->RenderTable = *RenderTable;
+    else {
+	pcrd->RenderTable.lookup.table = 0;
+	pcrd->RenderTable.T = RenderTableT_default;
+    }
+    pcrd->status = CIE_RENDER_STATUS_BUILT;
+    return 0;
+}
diff --git a/pstoraster/gscrd.h b/pstoraster/gscrd.h
new file mode 100644
index 000000000..05f7c4a57
--- /dev/null
+++ b/pstoraster/gscrd.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface for CIE color rendering dictionary creation */
+
+#ifndef gscrd_INCLUDED
+#  define gscrd_INCLUDED
+
+#include "gscie.h"
+
+/*
+ * Allocate and minimally initialize a CRD.  Note that this procedure sets
+ * the reference count of the structure to 1, not 0.  gs_setcolorrendering
+ * will increment the reference count again, so unless you want the
+ * structure to stay allocated permanently (or until a garbage collection),
+ * you should call rc_decrement(pcrd, "client name") *after* calling
+ * gs_setcolorrendering.
+ */
+int
+    gs_cie_render1_build(P3(gs_cie_render ** ppcrd, gs_memory_t * mem,
+			    client_name_t cname));
+
+/*
+ * Initialize a CRD given all of the relevant parameters.
+ * Any of the pointers except WhitePoint may be zero, meaning
+ * use the default values.
+ *
+ * The actual point, matrix, range, and procedure values are copied into the
+ * CRD, but only the pointer to the color lookup table
+ * (RenderTable.lookup.table) is copied, not the table itself.
+ */
+int
+    gs_cie_render1_initialize(P14(gs_cie_render * pcrd, void *client_data,
+				  const gs_vector3 * WhitePoint,
+				  const gs_vector3 * BlackPoint,
+				  const gs_matrix3 * MatrixPQR,
+				  const gs_range3 * RangePQR,
+				const gs_cie_transform_proc3 * TransformPQR,
+				  const gs_matrix3 * MatrixLMN,
+				  const gs_cie_render_proc3 * EncodeLMN,
+				  const gs_range3 * RangeLMN,
+				  const gs_matrix3 * MatrixABC,
+				  const gs_cie_render_proc3 * EncodeABC,
+				  const gs_range3 * RangeABC,
+				const gs_cie_render_table_t * RenderTable));
+
+/*
+ * Set or access the client_data pointer in a CRD.
+ * The macro is an L-value.
+ */
+#define gs_cie_render_client_data(pcrd) ((pcrd)->client_data)
+
+#endif /* gscrd_INCLUDED */
diff --git a/pstoraster/gscrdp.c b/pstoraster/gscrdp.c
new file mode 100644
index 000000000..0a0273715
--- /dev/null
+++ b/pstoraster/gscrdp.c
@@ -0,0 +1,632 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CIE color rendering dictionary creation */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gsdevice.h"
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gxcspace.h"
+#include "gscolor2.h"		/* for gs_set/currentcolorrendering */
+#include "gscrdp.h"
+#include "gxarith.h"
+#include "gsmalloc.h"
+
+/* Define the CRD type that we use here. */
+#define CRD_TYPE 101
+
+/* ---------------- Writing ---------------- */
+
+/* Internal procedures for writing parameter values. */
+private void
+store_vector3(float *p, const gs_vector3 * pvec)
+{
+    p[0] = pvec->u, p[1] = pvec->v, p[2] = pvec->w;
+}
+private int
+write_floats(gs_param_list * plist, gs_param_name key,
+	     const float *values, int size, gs_memory_t * mem)
+{
+    float *p = (float *)
+	gs_alloc_byte_array(mem, size, sizeof(float), "write_floats");
+    gs_param_float_array fa;
+
+    if (p == 0)
+	return_error(gs_error_VMerror);
+    memcpy(p, values, size * sizeof(float));
+
+    fa.data = p;
+    fa.size = size;
+    fa.persistent = true;
+    return param_write_float_array(plist, key, &fa);
+}
+private int
+write_vector3(gs_param_list * plist, gs_param_name key,
+	      const gs_vector3 * pvec, gs_memory_t * mem)
+{
+    float values[3];
+
+    store_vector3(values, pvec);
+    return write_floats(plist, key, values, 3, mem);
+}
+private int
+write_matrix3(gs_param_list * plist, gs_param_name key,
+	      const gs_matrix3 * pmat, gs_memory_t * mem)
+{
+    float values[9];
+
+    if (!memcmp(pmat, &Matrix3_default, sizeof(*pmat)))
+	return 0;
+    store_vector3(values, &pmat->cu);
+    store_vector3(values + 3, &pmat->cv);
+    store_vector3(values + 6, &pmat->cw);
+    return write_floats(plist, key, values, 9, mem);
+}
+private int
+write_range3(gs_param_list * plist, gs_param_name key,
+	     const gs_range3 * prange, gs_memory_t * mem)
+{
+    float values[6];
+
+    if (!memcmp(prange, &Range3_default, sizeof(*prange)))
+	return 0;
+    values[0] = prange->ranges[0].rmin, values[1] = prange->ranges[0].rmax;
+    values[2] = prange->ranges[1].rmin, values[3] = prange->ranges[1].rmax;
+    values[4] = prange->ranges[2].rmin, values[5] = prange->ranges[2].rmax;
+    return write_floats(plist, key, values, 6, mem);
+}
+private int
+write_proc3(gs_param_list * plist, gs_param_name key,
+	    const gs_cie_render * pcrd, const gs_cie_render_proc3 * procs,
+	    const gs_range3 * domain, gs_memory_t * mem)
+{
+    float *values;
+    uint size = gx_cie_cache_size;
+    gs_param_float_array fa;
+    int i;
+
+    if (!memcmp(procs, &Encode_default, sizeof(*procs)))
+	return 0;
+    values = (float *)gs_alloc_byte_array(mem, size * 3, sizeof(float),
+					  "write_proc3");
+
+    if (values == 0)
+	return_error(gs_error_VMerror);
+    for (i = 0; i < 3; ++i) {
+	double base = domain->ranges[i].rmin;
+	double scale = (domain->ranges[i].rmax - base) / (size - 1);
+	int j;
+
+	for (j = 0; j < size; ++j)
+	    values[i * size + j] =
+		(*procs->procs[i]) (j * scale + base, pcrd);
+    }
+    fa.data = values;
+    fa.size = size * 3;
+    fa.persistent = true;
+    return param_write_float_array(plist, key, &fa);
+}
+
+/* Write a CRD as a device parameter. */
+int
+param_write_cie_render1(gs_param_list * plist, gs_param_name key,
+			const gs_cie_render * pcrd, gs_memory_t * mem)
+{
+    gs_param_dict dict;
+    int code, dcode;
+
+    dict.size = 20;
+    if ((code = param_begin_write_dict(plist, key, &dict, false)) < 0)
+	return code;
+    code = param_put_cie_render1(dict.list, pcrd, mem);
+    dcode = param_end_write_dict(plist, key, &dict);
+    return (code < 0 ? code : dcode);
+}
+
+/* Write a CRD directly to a parameter list. */
+int
+param_put_cie_render1(gs_param_list * plist, const gs_cie_render * pcrd,
+		      gs_memory_t * mem)
+{
+    int crd_type = CRD_TYPE;
+    int code;
+
+    if (pcrd->TransformPQR.proc_name) {
+	gs_param_string pn, pd;
+
+	param_string_from_string(pn, pcrd->TransformPQR.proc_name);
+	pn.size++;		/* include terminating null */
+	pd.data = pcrd->TransformPQR.proc_data.data;
+	pd.size = pcrd->TransformPQR.proc_data.size;
+	pd.persistent = true;  /****** WRONG ******/
+	if ((code = param_write_name(plist, "TransformPQRName", &pn)) < 0 ||
+	    (code = param_write_string(plist, "TransformPQRData", &pd)) < 0
+	    )
+	    return code;
+    }
+    else if (pcrd->TransformPQR.proc != TransformPQR_default.proc) {
+	/* We have no way to represent the procedure, so return an error. */
+	return_error(gs_error_rangecheck);
+    }
+    if ((code = param_write_int(plist, "ColorRenderingType", &crd_type)) < 0 ||
+	(code = write_vector3(plist, "WhitePoint", &pcrd->points.WhitePoint, mem)) < 0
+	)
+	return code;
+    if (memcmp(&pcrd->points.BlackPoint, &BlackPoint_default,
+	       sizeof(pcrd->points.BlackPoint))) {
+	if ((code = write_vector3(plist, "BlackPoint", &pcrd->points.BlackPoint, mem)) < 0)
+	    return code;
+    }
+    if ((code = write_matrix3(plist, "MatrixPQR", &pcrd->MatrixPQR, mem)) < 0 ||
+	(code = write_range3(plist, "RangePQR", &pcrd->RangePQR, mem)) < 0 ||
+    /* TransformPQR is handled separately */
+    (code = write_matrix3(plist, "MatrixLMN", &pcrd->MatrixLMN, mem)) < 0 ||
+	(code = write_proc3(plist, "EncodeLMNValues", pcrd,
+			    &pcrd->EncodeLMN, &pcrd->DomainLMN, mem)) < 0 ||
+	(code = write_range3(plist, "RangeLMN", &pcrd->RangeLMN, mem)) < 0 ||
+    (code = write_matrix3(plist, "MatrixABC", &pcrd->MatrixABC, mem)) < 0 ||
+	(code = write_proc3(plist, "EncodeABCValues", pcrd,
+			    &pcrd->EncodeABC, &pcrd->DomainABC, mem)) < 0 ||
+	(code = write_range3(plist, "RangeABC", &pcrd->RangeABC, mem)) < 0
+	)
+	return code;
+    if (pcrd->RenderTable.lookup.table) {
+	int n = pcrd->RenderTable.lookup.n;
+	int m = pcrd->RenderTable.lookup.m;
+	int na = pcrd->RenderTable.lookup.dims[0];
+	int *size = (int *)
+	    gs_alloc_byte_array(mem, n + 1, sizeof(int), "RenderTableSize");
+
+	/*
+	 * In principle, we should use gs_alloc_struct_array with a
+	 * type descriptor for gs_param_string.  However, it is widely
+	 * assumed that parameter lists are transient, and don't require
+	 * accurate GC information; so we can get away with allocating
+	 * the string table as bytes.
+	 */
+	gs_param_string *table =
+	    (gs_param_string *)
+	    gs_alloc_byte_array(mem, na, sizeof(gs_param_string),
+				"RenderTableTable");
+	gs_param_int_array ia;
+
+	if (size == 0 || table == 0)
+	    code = gs_note_error(gs_error_VMerror);
+	else {
+	    memcpy(size, pcrd->RenderTable.lookup.dims, sizeof(int) * n);
+
+	    size[n] = m;
+	    ia.data = size;
+	    ia.size = n + 1;
+	    ia.persistent = true;
+	    code = param_write_int_array(plist, "RenderTableSize", &ia);
+	}
+	if (code >= 0) {
+	    gs_param_string_array sa;
+	    int a;
+
+	    for (a = 0; a < na; ++a)
+		table[a].data = pcrd->RenderTable.lookup.table[a].data,
+		    table[a].size = pcrd->RenderTable.lookup.table[a].size,
+		    table[a].persistent = true;
+	    sa.data = table;
+	    sa.size = na;
+	    sa.persistent = true;
+	    code = param_write_string_array(plist, "RenderTableTable", &sa);
+	    if (code >= 0 && !pcrd->caches.RenderTableT_is_identity) {
+		/****** WRITE RenderTableTValues LIKE write_proc3 ******/
+		uint size = gx_cie_cache_size;
+		float *values =
+		    (float *)gs_alloc_byte_array(mem, size * m,
+						 sizeof(float),
+						 "write_proc3");
+		gs_param_float_array fa;
+		int i;
+
+		if (values == 0)
+		    return_error(gs_error_VMerror);
+		for (i = 0; i < m; ++i) {
+		    double scale = 255.0 / (size - 1);
+		    int j;
+
+		    for (j = 0; j < size; ++j)
+			values[i * size + j] =
+			    frac2float((*pcrd->RenderTable.T.procs[i])
+				       (j * scale, pcrd));
+		}
+		fa.data = values;
+		fa.size = size * m;
+		fa.persistent = true;
+		code = param_write_float_array(plist, "RenderTableTValues",
+					       &fa);
+	    }
+	}
+	if (code < 0) {
+	    gs_free_object(mem, table, "RenderTableTable");
+	    gs_free_object(mem, size, "RenderTableSize");
+	    return code;
+	}
+    }
+    return code;
+}
+
+/* ---------------- Reading ---------------- */
+
+/* Internal procedures for reading parameter values. */
+private void
+load_vector3(gs_vector3 * pvec, const float *p)
+{
+    pvec->u = p[0], pvec->v = p[1], pvec->w = p[2];
+}
+private int
+read_floats(gs_param_list * plist, gs_param_name key, float *values, int count)
+{
+    gs_param_float_array fa;
+    int code = param_read_float_array(plist, key, &fa);
+
+    if (code)
+	return code;
+    if (fa.size != count)
+	return_error(gs_error_rangecheck);
+    memcpy(values, fa.data, sizeof(float) * count);
+
+    return 0;
+}
+private int
+read_vector3(gs_param_list * plist, gs_param_name key,
+	     gs_vector3 * pvec, const gs_vector3 * dflt)
+{
+    float values[3];
+    int code = read_floats(plist, key, values, 3);
+
+    switch (code) {
+	case 1:		/* not defined */
+	    if (dflt)
+		*pvec = *dflt;
+	    break;
+	case 0:
+	    load_vector3(pvec, values);
+	default:		/* error */
+	    break;
+    }
+    return code;
+}
+private int
+read_matrix3(gs_param_list * plist, gs_param_name key, gs_matrix3 * pmat)
+{
+    float values[9];
+    int code = read_floats(plist, key, values, 9);
+
+    switch (code) {
+	case 1:		/* not defined */
+	    *pmat = Matrix3_default;
+	    break;
+	case 0:
+	    load_vector3(&pmat->cu, values);
+	    load_vector3(&pmat->cv, values + 3);
+	    load_vector3(&pmat->cw, values + 6);
+	default:		/* error */
+	    break;
+    }
+    return code;
+}
+private int
+read_range3(gs_param_list * plist, gs_param_name key, gs_range3 * prange)
+{
+    float values[6];
+    int code = read_floats(plist, key, values, 6);
+
+    switch (code) {
+	case 1:		/* not defined */
+	    *prange = Range3_default;
+	    break;
+	case 0:
+	    prange->ranges[0].rmin = values[0];
+	    prange->ranges[0].rmax = values[1];
+	    prange->ranges[1].rmin = values[2];
+	    prange->ranges[1].rmax = values[3];
+	    prange->ranges[2].rmin = values[4];
+	    prange->ranges[2].rmax = values[5];
+	default:		/* error */
+	    break;
+    }
+    return code;
+}
+private int
+read_proc3(gs_param_list * plist, gs_param_name key,
+	   float values[gx_cie_cache_size * 3])
+{
+    return read_floats(plist, key, values, gx_cie_cache_size * 3);
+}
+
+/* Read a CRD from a device parameter. */
+int
+gs_cie_render1_param_initialize(gs_cie_render * pcrd, gs_param_list * plist,
+				gs_param_name key, gx_device * dev)
+{
+    gs_param_dict dict;
+    int code = param_begin_read_dict(plist, key, &dict, false);
+    int dcode;
+
+    if (code < 0)
+	return code;
+    code = param_get_cie_render1(pcrd, dict.list, dev);
+    dcode = param_end_read_dict(plist, key, &dict);
+    if (code < 0)
+	return code;
+    if (dcode < 0)
+	return dcode;
+    gs_cie_render_init(pcrd);
+    gs_cie_render_sample(pcrd);
+    return gs_cie_render_complete(pcrd);
+}
+
+/* Define the structure for passing Encode values as "client data". */
+typedef struct encode_data_s {
+    float lmn[gx_cie_cache_size * 3]; /* EncodeLMN */
+    float abc[gx_cie_cache_size * 3]; /* EncodeABC */
+    float t[gx_cie_cache_size * 4]; /* RenderTable.T */
+} encode_data_t;
+
+/* Define procedures that retrieve the Encode values read from the list. */
+private float
+encode_from_data(floatp v, const float values[gx_cie_cache_size],
+		 const gs_range * range)
+{
+    return (v <= range->rmin ? values[0] :
+	    v >= range->rmax ? values[gx_cie_cache_size - 1] :
+	    values[(int)((v - range->rmin) / (range->rmax - range->rmin) *
+			 (gx_cie_cache_size - 1) + 0.5)]);
+}
+/*
+ * The repetitive boilerplate in the next 10 procedures really sticks in
+ * my craw, but I've got a mandate not to use macros....
+ */
+private float
+encode_lmn_0_from_data(floatp v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return encode_from_data(v, &data->lmn[0],
+			    &pcrd->DomainLMN.ranges[0]);
+}
+private float
+encode_lmn_1_from_data(floatp v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return encode_from_data(v, &data->lmn[gx_cie_cache_size],
+			    &pcrd->DomainLMN.ranges[1]);
+}
+private float
+encode_lmn_2_from_data(floatp v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return encode_from_data(v, &data->lmn[gx_cie_cache_size * 2],
+			    &pcrd->DomainLMN.ranges[2]);
+}
+private float
+encode_abc_0_from_data(floatp v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return encode_from_data(v, &data->abc[0],
+			    &pcrd->DomainABC.ranges[0]);
+}
+private float
+encode_abc_1_from_data(floatp v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return encode_from_data(v, &data->abc[gx_cie_cache_size],
+			    &pcrd->DomainABC.ranges[1]);
+}
+private float
+encode_abc_2_from_data(floatp v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return encode_from_data(v, &data->abc[gx_cie_cache_size * 2],
+			    &pcrd->DomainABC.ranges[2]);
+}
+private frac
+render_table_t_0_from_data(byte v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return float2frac(encode_from_data(v / 255.0,
+				       &data->t[0],
+				       &Range3_default.ranges[0]));
+}
+private frac
+render_table_t_1_from_data(byte v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return float2frac(encode_from_data(v / 255.0,
+				       &data->t[gx_cie_cache_size],
+				       &Range3_default.ranges[0]));
+}
+private frac
+render_table_t_2_from_data(byte v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return float2frac(encode_from_data(v / 255.0,
+				       &data->t[gx_cie_cache_size * 2],
+				       &Range3_default.ranges[0]));
+}
+private frac
+render_table_t_3_from_data(byte v, const gs_cie_render * pcrd)
+{
+    const encode_data_t *data = pcrd->client_data;
+
+    return float2frac(encode_from_data(v / 255.0,
+				       &data->t[gx_cie_cache_size * 3],
+				       &Range3_default.ranges[0]));
+}
+private const gs_cie_render_proc3 EncodeLMN_from_data = {
+    {encode_lmn_0_from_data, encode_lmn_1_from_data, encode_lmn_2_from_data}
+};
+private const gs_cie_render_proc3 EncodeABC_from_data = {
+    {encode_abc_0_from_data, encode_abc_1_from_data, encode_abc_2_from_data}
+};
+private const gs_cie_render_table_procs RenderTableT_from_data = {
+    {render_table_t_0_from_data, render_table_t_1_from_data,
+     render_table_t_2_from_data, render_table_t_3_from_data
+    }
+};
+
+/* Read a CRD directly from a parameter list. */
+int
+param_get_cie_render1(gs_cie_render * pcrd, gs_param_list * plist,
+		      gx_device * dev)
+{
+    encode_data_t data;
+    gs_param_int_array rt_size;
+    int crd_type;
+    int code, code_lmn, code_abc, code_rt, code_t;
+    gs_param_string pname, pdata;
+
+    if ((code = param_read_int(plist, "ColorRenderingType", &crd_type)) < 0 ||
+	crd_type != CRD_TYPE ||
+	(code = read_vector3(plist, "WhitePoint", &pcrd->points.WhitePoint,
+			     NULL)) < 0 ||
+	(code = read_vector3(plist, "BlackPoint", &pcrd->points.BlackPoint,
+			     &BlackPoint_default)) < 0 ||
+	(code = read_matrix3(plist, "MatrixPQR", &pcrd->MatrixPQR)) < 0 ||
+	(code = read_range3(plist, "RangePQR", &pcrd->RangePQR)) < 0 ||
+	/* TransformPQR is handled specially below. */
+	(code = read_matrix3(plist, "MatrixLMN", &pcrd->MatrixLMN)) < 0 ||
+	(code_lmn = code =
+	 read_proc3(plist, "EncodeLMNValues", data.lmn)) < 0 ||
+	(code = read_range3(plist, "RangeLMN", &pcrd->RangeLMN)) < 0 ||
+	(code = read_matrix3(plist, "MatrixABC", &pcrd->MatrixABC)) < 0 ||
+	(code_abc = code =
+	 read_proc3(plist, "EncodeABCValues", data.abc)) < 0 ||
+	(code = read_range3(plist, "RangeABC", &pcrd->RangeABC)) < 0
+	)
+	return code;
+    /* Handle the sampled functions. */
+    switch (code = param_read_string(plist, "TransformPQRName", &pname)) {
+	default:		/* error */
+	    return code;
+	case 1:			/* missing */
+	    pcrd->TransformPQR = TransformPQR_default;
+	    break;
+	case 0:			/* specified */
+	    /* The procedure name must be null-terminated: */
+	    /* see param_put_cie_render1 above. */
+	    if (pname.size < 1 || pname.data[pname.size - 1] != 0)
+		return_error(gs_error_rangecheck);
+	    pcrd->TransformPQR.proc = TransformPQR_lookup_proc_name;
+	    pcrd->TransformPQR.proc_name = (char *)pname.data;
+	    switch (code = param_read_string(plist, "TransformPQRData", &pdata)) {
+		default:	/* error */
+		    return code;
+		case 1:		/* missing */
+		    pcrd->TransformPQR.proc_data.data = 0;
+		    pcrd->TransformPQR.proc_data.size = 0;
+		    break;
+		case 0:
+		    pcrd->TransformPQR.proc_data.data = pdata.data;
+		    pcrd->TransformPQR.proc_data.size = pdata.size;
+	    }
+	    pcrd->TransformPQR.driver_name = gs_devicename(dev);
+	    break;
+    }
+    pcrd->client_data = &data;
+    if (code_lmn > 0)
+	pcrd->EncodeLMN = Encode_default;
+    else
+	pcrd->EncodeLMN = EncodeLMN_from_data;
+    if (code_abc > 0)
+	pcrd->EncodeABC = Encode_default;
+    else
+	pcrd->EncodeABC = EncodeABC_from_data;
+    code_rt = code = param_read_int_array(plist, "RenderTableSize", &rt_size);
+    if (code == 1) {
+	if (pcrd->RenderTable.lookup.table) {
+	    gs_free_object(pcrd->rc.memory,
+		(void *)pcrd->RenderTable.lookup.table, /* break const */
+		"param_get_cie_render1(RenderTable)");
+	    pcrd->RenderTable.lookup.table = 0;
+	}
+	pcrd->RenderTable.T = RenderTableT_default;
+	code_t = 1;
+    } else if (code < 0)
+	return code;
+    else if (rt_size.size != 4)
+	return_error(gs_error_rangecheck);
+    else {
+	gs_param_string_array rt_values;
+	gs_const_string *table;
+	int n, m, j;
+
+	code = param_read_string_array(plist, "RenderTableTable", &rt_values);
+	if (code < 0)
+	    return code;
+	else if (code > 0 ||
+		 rt_values.size != rt_size.data[3] *
+		 rt_size.data[1] * rt_size.data[2])
+	    return_error(gs_error_rangecheck);
+	pcrd->RenderTable.lookup.n = n = rt_size.size - 1;
+	pcrd->RenderTable.lookup.m = m = rt_size.data[n];
+	if (n > 4 || m > 4)
+	    return_error(gs_error_rangecheck);
+	memcpy(pcrd->RenderTable.lookup.dims, rt_size.data, n * sizeof(int));
+	table = (gs_const_string *)gs_malloc(pcrd->RenderTable.lookup.dims[0],
+	                                     sizeof(gs_const_string *),
+					     "param_get_cie_render1");
+	for (j = 0; j < pcrd->RenderTable.lookup.dims[0]; ++j) {
+	    table[j].data = rt_values.data[j].data;
+	    table[j].size = rt_values.data[j].size;
+	}
+	pcrd->RenderTable.lookup.table = table;
+	pcrd->RenderTable.T = RenderTableT_from_data;
+	code_t = code = read_floats(plist, "RenderTableTValues", data.t,
+				    gx_cie_cache_size * m);
+	if (code > 0)
+	    pcrd->RenderTable.T = RenderTableT_default;
+	else if (code == 0)
+	    pcrd->RenderTable.T = RenderTableT_from_data;
+    }
+    if ((code = gs_cie_render_init(pcrd)) >= 0 &&
+	(code = gs_cie_render_sample(pcrd)) >= 0
+	)
+	code = gs_cie_render_complete(pcrd);
+    /* Clean up before exiting. */
+    pcrd->client_data = 0;
+    if (code_lmn == 0)
+	pcrd->EncodeLMN = EncodeLMN_from_cache;
+    if (code_abc == 0)
+	pcrd->EncodeABC = EncodeABC_from_cache;
+    if (code_t == 0)
+	pcrd->RenderTable.T = RenderTableT_from_cache;
+    return code;
+}
diff --git a/pstoraster/gscrdp.h b/pstoraster/gscrdp.h
new file mode 100644
index 000000000..35f2a1d96
--- /dev/null
+++ b/pstoraster/gscrdp.h
@@ -0,0 +1,104 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface for device-specified CRDs */
+
+#ifndef gscrdp_INCLUDED
+#  define gscrdp_INCLUDED
+
+#include "gscie.h"
+#include "gsparam.h"
+
+/*
+ * A driver can provide any number of its own CRDs through (read-only)
+ * device parameters whose values are slightly modified PostScript-style
+ * dictionaries.  The driver doesn't need to concern itself with how the
+ * parameters are encoded: it simply constructs a CRD and calls
+ * param_write_cie_render1.
+ */
+int param_write_cie_render1(P4(gs_param_list * plist, gs_param_name key,
+			       const gs_cie_render * pcrd,
+			       gs_memory_t * mem));
+
+/*
+ * For internal use, we also provide an API that writes the CRD directly
+ * into a parameter list, rather than as a named parameter in a larger
+ * list.
+ */
+int param_put_cie_render1(P3(gs_param_list * plist, const gs_cie_render * pcrd,
+			     gs_memory_t * mem));
+
+/*
+ * Client code that wants to initialize a CRD from a device parameter
+ * uses the following complementary procedure.  The customary way to
+ * use this is:
+
+ gs_c_param_list list;
+ ...
+ gs_c_param_list_write(&list, mem);
+ gs_c_param_request(&list, "ParamName");
+ code = gs_getdeviceparams(dev, &list);
+ << error if code < 0 >>
+ gs_c_param_list_read(&list);
+ code = gs_cie_render1_param_initialize(pcrd, &list, "ParamName", dev);
+ gs_c_param_list_release(&list);
+ << error if code < 0 >>
+
+ * where "ParamName" is the parameter name, e.g., "CRDDefault".
+ */
+int gs_cie_render1_param_initialize(P4(gs_cie_render * pcrd,
+				       gs_param_list * plist,
+				       gs_param_name key,
+				       gx_device * dev));
+
+/*
+ * Again, we provide an internal procedure that doesn't involve a
+ * parameter name.
+ */
+int param_get_cie_render1(P3(gs_cie_render * pcrd,
+			     gs_param_list * plist,
+			     gx_device * dev));
+
+/*
+ * The actual representation of the CRD is a slightly modified PostScript
+ * ColorRenderingType 1 dictionary.  THE FOLLOWING IS SUBJECT TO CHANGE
+ * WITHOUT NOTICE.  Specifically, the following keys are different:
+ *      ColorRenderingType = 101
+ *      (Instead of TransformPQR = [T1 T2 T3]:)
+ *        TransformPQRName = procedure name (a name)
+ *        TransformPQRData = procedure data (a string)
+ *      (Instead of EncodeLMN/ABC = [E1 E2 E3]:)
+ *        EncodeLMN/ABCValues = [V1,1 V1,2 ... V3,N], where Vi,j is the
+ *          j'th sampled value of the i'th encoding array, mapped linearly
+ *          to the corresponding domain (see gscie.h)
+ *      (Instead of RenderTable = [NA NB NC table m T1 ... Tm]:)
+ *        RenderTableSize = [NA NB NC m]
+ *        RenderTableTable = table (an array of strings)
+ *        RenderTableTValues = [V1,1 V1,2 ... Vm,N] (see above)
+ * The PostScript setcolorrendering operator selects the correct operator
+ * according to the ColorRenderingType key.
+ */
+
+#endif /* gscrdp_INCLUDED */
diff --git a/pstoraster/gscrypt1.h b/pstoraster/gscrypt1.h
new file mode 100644
index 000000000..80e1c6660
--- /dev/null
+++ b/pstoraster/gscrypt1.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1990, 1992, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to Adobe Type 1 encryption/decryption. */
+
+#ifndef gscrypt1_INCLUDED
+#  define gscrypt1_INCLUDED
+
+/* Normal public interface */
+typedef ushort crypt_state;
+int gs_type1_encrypt(P4(byte * dest, const byte * src, uint len,
+			crypt_state * pstate));
+int gs_type1_decrypt(P4(byte * dest, const byte * src, uint len,
+			crypt_state * pstate));
+
+/* Define the encryption parameters and procedures. */
+#define crypt_c1 ((ushort)52845)
+#define crypt_c2 ((ushort)22719)
+/* c1 * c1' == 1 mod 2^16. */
+#define crypt_c1_inverse ((ushort)27493)
+#define encrypt_next(ch, state, chvar)\
+  (chvar = ((ch) ^ (state >> 8)),\
+   state = (chvar + state) * crypt_c1 + crypt_c2)
+#define decrypt_this(ch, state)\
+  ((ch) ^ (state >> 8))
+#define decrypt_next(ch, state, chvar)\
+  (chvar = decrypt_this(ch, state),\
+   decrypt_skip_next(ch, state))
+#define decrypt_skip_next(ch, state)\
+  (state = ((ch) + state) * crypt_c1 + crypt_c2)
+#define decrypt_skip_previous(ch, state)\
+  (state = (state - crypt_c2) * crypt_c1_inverse - (ch))
+
+#endif /* gscrypt1_INCLUDED */
diff --git a/pstoraster/gscscie.c b/pstoraster/gscscie.c
new file mode 100644
index 000000000..2b2dec89e
--- /dev/null
+++ b/pstoraster/gscscie.c
@@ -0,0 +1,374 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CIE color space management */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gxcspace.h"
+#include "gscolor2.h"		/* for gs_set/currentcolorrendering */
+#include "gscie.h"
+#include "gxarith.h"
+#include "gxdevice.h"		/* for gxcmap.h */
+#include "gxcmap.h"
+#include "gzstate.h"
+
+/* ---------------- Color space definition ---------------- */
+
+/* GC descriptors */
+private_st_cie_common();
+private_st_cie_common_elements();
+private_st_cie_a();
+private_st_cie_abc();
+private_st_cie_def();
+private_st_cie_defg();
+
+/* Define the CIE color space types. */
+/* We use CIExxx rather than CIEBasedxxx in some places because */
+/* gcc under VMS only retains 23 characters of procedure names, */
+/* and DEC C truncates all identifiers at 31 characters. */
+extern cs_proc_init_color(gx_init_CIE);
+private cs_proc_concrete_space(gx_concrete_space_CIE);
+private cs_proc_install_cspace(gx_install_CIE);
+
+/* CIEBasedDEFG */
+gs_private_st_ptrs1(st_color_space_CIEDEFG, gs_base_color_space,
+     "gs_color_space(CIEDEFG)", cs_CIEDEFG_enum_ptrs, cs_CIEDEFG_reloc_ptrs,
+		    params.defg);
+extern cs_proc_restrict_color(gx_restrict_CIEDEFG);
+extern cs_proc_concretize_color(gx_concretize_CIEDEFG);
+extern cs_proc_install_cspace(gx_install_CIEDEFG);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_CIEDEFG);
+const gs_color_space_type gs_color_space_type_CIEDEFG = {
+    gs_color_space_index_CIEDEFG, true, true,
+    &st_color_space_CIEDEFG, gx_num_components_4,
+    gx_no_base_space,
+    gx_init_CIE, gx_restrict_CIEDEFG,
+    gx_concrete_space_CIE,
+    gx_concretize_CIEDEFG, NULL,
+    gx_default_remap_color, gx_install_CIE,
+    gx_adjust_cspace_CIEDEFG, gx_no_adjust_color_count
+};
+
+/* CIEBasedDEF */
+gs_private_st_ptrs1(st_color_space_CIEDEF, gs_base_color_space,
+	"gs_color_space(CIEDEF)", cs_CIEDEF_enum_ptrs, cs_CIEDEF_reloc_ptrs,
+		    params.def);
+extern cs_proc_restrict_color(gx_restrict_CIEDEF);
+extern cs_proc_concretize_color(gx_concretize_CIEDEF);
+extern cs_proc_install_cspace(gx_install_CIEDEF);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_CIEDEF);
+const gs_color_space_type gs_color_space_type_CIEDEF = {
+    gs_color_space_index_CIEDEF, true, true,
+    &st_color_space_CIEDEF, gx_num_components_3,
+    gx_no_base_space,
+    gx_init_CIE, gx_restrict_CIEDEF,
+    gx_concrete_space_CIE,
+    gx_concretize_CIEDEF, NULL,
+    gx_default_remap_color, gx_install_CIE,
+    gx_adjust_cspace_CIEDEF, gx_no_adjust_color_count
+};
+
+/* CIEBasedABC */
+gs_private_st_ptrs1(st_color_space_CIEABC, gs_base_color_space,
+	"gs_color_space(CIEABC)", cs_CIEABC_enum_ptrs, cs_CIEABC_reloc_ptrs,
+		    params.abc);
+cs_proc_restrict_color(gx_restrict_CIEABC);
+cs_proc_concretize_color(gx_concretize_CIEABC);
+cs_proc_install_cspace(gx_install_CIEABC);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_CIEABC);
+extern cs_proc_remap_color(gx_remap_CIEABC);
+const gs_color_space_type gs_color_space_type_CIEABC = {
+    gs_color_space_index_CIEABC, true, true,
+    &st_color_space_CIEABC, gx_num_components_3,
+    gx_no_base_space,
+    gx_init_CIE, gx_restrict_CIEABC,
+    gx_concrete_space_CIE,
+    gx_concretize_CIEABC, NULL,
+    gx_remap_CIEABC, gx_install_CIE,
+    gx_adjust_cspace_CIEABC, gx_no_adjust_color_count
+};
+
+/* CIEBasedA */
+gs_private_st_ptrs1(st_color_space_CIEA, gs_base_color_space,
+	      "gs_color_space(CIEA)", cs_CIEA_enum_ptrs, cs_CIEA_reloc_ptrs,
+		    params.a);
+cs_proc_restrict_color(gx_restrict_CIEA);
+cs_proc_concretize_color(gx_concretize_CIEA);
+cs_proc_install_cspace(gx_install_CIEA);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_CIEA);
+const gs_color_space_type gs_color_space_type_CIEA = {
+    gs_color_space_index_CIEA, true, true,
+    &st_color_space_CIEA, gx_num_components_1,
+    gx_no_base_space,
+    gx_init_CIE, gx_restrict_CIEA,
+    gx_concrete_space_CIE,
+    gx_concretize_CIEA, NULL,
+    gx_default_remap_color, gx_install_CIE,
+    gx_adjust_cspace_CIEA, gx_no_adjust_color_count
+};
+
+/* Determine the concrete space underlying a CIEBased space. */
+private const gs_color_space *
+gx_concrete_space_CIE(const gs_color_space * pcs, const gs_imager_state * pis)
+{
+    const gs_cie_render *pcie = pis->cie_render;
+
+    if (pcie == 0 || pcie->RenderTable.lookup.table == 0 ||
+	pcie->RenderTable.lookup.m == 3
+	)
+	return gs_cspace_DeviceRGB(pis);
+    else			/* pcie->RenderTable.lookup.m == 4 */
+	return gs_cspace_DeviceCMYK(pis);
+}
+
+/* Install a CIE space in the graphics state. */
+/* We go through an extra level of procedure so that */
+/* interpreters can substitute their own installer. */
+private int
+gx_install_CIE(gs_color_space * pcs, gs_state * pgs)
+{
+    return (*pcs->params.a->common.install_cspace) (pcs, pgs);
+}
+
+/* Adjust reference counts for a CIE color space */
+private void
+gx_adjust_cspace_CIEDEFG(const gs_color_space * pcs, int delta)
+{
+    rc_adjust_const(pcs->params.defg, delta, "gx_adjust_cspace_CIEDEFG");
+}
+
+private void
+gx_adjust_cspace_CIEDEF(const gs_color_space * pcs, int delta)
+{
+    rc_adjust_const(pcs->params.def, delta, "gx_adjust_cspace_CIEDEF");
+}
+
+private void
+gx_adjust_cspace_CIEABC(const gs_color_space * pcs, int delta)
+{
+    rc_adjust_const(pcs->params.abc, delta, "gx_adjust_cspace_CIEABC");
+}
+
+private void
+gx_adjust_cspace_CIEA(const gs_color_space * pcs, int delta)
+{
+    rc_adjust_const(pcs->params.a, delta, "gx_adjust_cspace_CIEA");
+}
+
+/* ---------------- Procedures ---------------- */
+
+/* ------ Internal initializers ------ */
+
+/*
+ * Set up the default values for the CIE parameters that are common to
+ * all CIE color spaces.
+ *
+ * There is no default for the white point, so it is set equal to the
+ * black point. If anyone actually uses the color space in that form,
+ * the results are likely to be unsatisfactory.
+ */
+private void
+set_common_cie_defaults(gs_cie_common * pcommon, void *client_data)
+{
+    pcommon->RangeLMN = Range3_default;
+    pcommon->DecodeLMN = DecodeLMN_default;
+    pcommon->MatrixLMN = Matrix3_default;
+    pcommon->points.WhitePoint = BlackPoint_default;
+    pcommon->points.BlackPoint = BlackPoint_default;
+    pcommon->client_data = client_data;
+}
+
+/*
+ * Set defaults for a CIEBasedABC color space.  This is also used for
+ * CIEBasedDEF and CIEBasedDEFG color spaces.
+ */
+private void
+set_cie_abc_defaults(gs_cie_abc * pabc, void *client_data)
+{
+    set_common_cie_defaults(&pabc->common, client_data);
+    pabc->RangeABC = Range3_default;
+    pabc->DecodeABC = DecodeABC_default;
+    pabc->MatrixABC = Matrix3_default;
+}
+
+/*
+ * Set up a default color lookup table for a CIEBasedDEF[G] space. There is
+ * no specified default for this structure, so the values used here (aside
+ * from the input and output component numbers) are intended only to make
+ * the system fail in a predictable manner.
+ */
+private void
+set_ctbl_defaults(gx_color_lookup_table * plktblp, int num_comps)
+{
+    int i;
+
+    plktblp->n = num_comps;
+    plktblp->m = 3;		/* always output CIE ABC */
+    for (i = 0; i < countof(plktblp->dims); i++)
+	plktblp->dims[i] = 0;
+    plktblp->table = 0;
+}
+
+/*
+ * Allocate a color space and its parameter structure.
+ * Return 0 if VMerror, otherwise the parameter structure.
+ */
+private void *
+build_cie_space(gs_color_space ** ppcspace, const gs_color_space_type * pcstype,
+		gs_memory_type_ptr_t stype, gs_memory_t * pmem)
+{
+    gs_color_space *pcspace =
+    gs_alloc_struct(pmem, gs_color_space, &st_color_space,
+		    "build_cie_space");
+    gs_cie_common_elements_t *pdata;
+
+    if (pcspace == 0)
+	return 0;
+    rc_alloc_struct_1(pdata, gs_cie_common_elements_t, stype, pmem,
+		      {
+		      gs_free_object(pmem, pcspace, "build_cie_space");
+		      return 0;
+		      }
+		      ,
+		      "build_cie_space(data)");
+    pcspace->pmem = pmem;
+    pcspace->type = pcstype;
+    *ppcspace = pcspace;
+    return (void *)pdata;
+}
+
+/* ------ Constructors ------ */
+
+int
+gs_cspace_build_CIEA(gs_color_space ** ppcspace, void *client_data,
+		     gs_memory_t * pmem)
+{
+    gs_cie_a *pciea =
+    build_cie_space(ppcspace, &gs_color_space_type_CIEA, &st_cie_a, pmem);
+
+    if (pciea == 0)
+	return_error(gs_error_VMerror);
+
+    set_common_cie_defaults(&pciea->common, client_data);
+    pciea->common.install_cspace = gx_install_CIEA;
+    pciea->RangeA = RangeA_default;
+    pciea->DecodeA = DecodeA_default;
+    pciea->MatrixA = MatrixA_default;
+
+    (*ppcspace)->params.a = pciea;
+    return 0;
+}
+
+int
+gs_cspace_build_CIEABC(gs_color_space ** ppcspace, void *client_data,
+		       gs_memory_t * pmem)
+{
+    gs_cie_abc *pabc =
+    build_cie_space(ppcspace, &gs_color_space_type_CIEABC, &st_cie_abc,
+		    pmem);
+
+    if (pabc == 0)
+	return_error(gs_error_VMerror);
+
+    set_cie_abc_defaults(pabc, client_data);
+    pabc->common.install_cspace = gx_install_CIEABC;
+
+    (*ppcspace)->params.abc = pabc;
+    return 0;
+}
+
+int
+gs_cspace_build_CIEDEF(gs_color_space ** ppcspace, void *client_data,
+		       gs_memory_t * pmem)
+{
+    gs_cie_def *pdef =
+    build_cie_space(ppcspace, &gs_color_space_type_CIEDEF, &st_cie_def,
+		    pmem);
+
+    if (pdef == 0)
+	return_error(gs_error_VMerror);
+
+    set_cie_abc_defaults((gs_cie_abc *) pdef, client_data);
+    pdef->common.install_cspace = gx_install_CIEDEF;
+    pdef->RangeDEF = Range3_default;
+    pdef->DecodeDEF = DecodeDEF_default;
+    pdef->RangeHIJ = Range3_default;
+    set_ctbl_defaults(&pdef->Table, 3);
+
+    (*ppcspace)->params.def = pdef;
+    return 0;
+}
+
+int
+gs_cspace_build_CIEDEFG(gs_color_space ** ppcspace, void *client_data,
+			gs_memory_t * pmem)
+{
+    gs_cie_defg *pdefg =
+    build_cie_space(ppcspace, &gs_color_space_type_CIEDEFG, &st_cie_defg,
+		    pmem);
+
+    if (pdefg == 0)
+	return_error(gs_error_VMerror);
+
+    set_cie_abc_defaults((gs_cie_abc *) pdefg, client_data);
+    pdefg->common.install_cspace = gx_install_CIEDEFG;
+    pdefg->RangeDEFG = Range4_default;
+    pdefg->DecodeDEFG = DecodeDEFG_default;
+    pdefg->RangeHIJK = Range4_default;
+    set_ctbl_defaults(&pdefg->Table, 4);
+
+    (*ppcspace)->params.defg = pdefg;
+    return 0;
+}
+
+/* ------ Accessors ------ */
+
+int
+gs_cie_defx_set_lookup_table(gs_color_space * pcspace, int *pdims,
+			     const gs_const_string * ptable)
+{
+    gx_color_lookup_table *plktblp;
+
+    switch (gs_color_space_get_index(pcspace)) {
+	case gs_color_space_index_CIEDEF:
+	    plktblp = &pcspace->params.def->Table;
+	    break;
+	case gs_color_space_index_CIEDEFG:
+	    plktblp = &pcspace->params.defg->Table;
+	    plktblp->dims[3] = pdims[3];
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+
+    plktblp->dims[0] = pdims[0];
+    plktblp->dims[1] = pdims[1];
+    plktblp->dims[2] = pdims[2];
+    plktblp->table = ptable;
+    return 0;
+}
diff --git a/pstoraster/gscsel.h b/pstoraster/gscsel.h
new file mode 100644
index 000000000..7609b84bb
--- /dev/null
+++ b/pstoraster/gscsel.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for color operand selection */
+
+#ifndef gscsel_INCLUDED
+#  define gscsel_INCLUDED
+
+/*
+ * Define whether we are mapping a "source" or a "texture" color for
+ * RasterOp.  Right the source and texture only have separate halftone
+ * phases in the graphics state, but someday they might have more.
+ */
+typedef enum {
+    gs_color_select_all = -1,	/* for setting only, not for reading */
+    gs_color_select_texture = 0,	/* 0 is the one is used for currenthtphase */
+    gs_color_select_source = 1
+} gs_color_select_t;
+
+#define gs_color_select_count 2
+
+#endif /* gscsel_INCLUDED */
diff --git a/pstoraster/gscsepnm.h b/pstoraster/gscsepnm.h
new file mode 100644
index 000000000..7d59e2097
--- /dev/null
+++ b/pstoraster/gscsepnm.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Standard color space separation names */
+
+#ifndef gscsepnm_INCLUDED
+#  define gscsepnm_INCLUDED
+
+/*
+ * Define enumeration indices for the standard separation names, and the
+ * corresponding name strings. These are only used internally: in all
+ * externally accessible APIs, separations are defined either by a string
+ * name or by an opaque identifier.
+ *
+ * NB: the enumeration and the list of strings must be synchronized.  */
+typedef enum {
+    gs_ht_separation_Default,	/* must be first */
+    gs_ht_separation_Gray,
+    gs_ht_separation_Red,
+    gs_ht_separation_Green,
+    gs_ht_separation_Blue,
+    gs_ht_separation_Cyan,
+    gs_ht_separation_Magenta,
+    gs_ht_separation_Yellow,
+    gs_ht_separation_Black
+} gs_ht_separation_name;
+
+#define gs_ht_separation_name_strings            \
+    "Default", "Gray", "Red", "Green", "Blue",   \
+    "Cyan", "Magenta", "Yellow", "Black"
+
+#endif /* gscsepnm_INCLUDED */
diff --git a/pstoraster/gscsepr.c b/pstoraster/gscsepr.c
new file mode 100644
index 000000000..c03aae04c
--- /dev/null
+++ b/pstoraster/gscsepr.c
@@ -0,0 +1,352 @@
+/* Copyright (C) 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Separation color space and operation definition */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrefct.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gscsepr.h"
+#include "gxcspace.h"
+#include "gxfixed.h"		/* for gxcolor2.h */
+#include "gxcolor2.h"		/* for gs_indexed_map */
+#include "gzstate.h"		/* for pgs->overprint */
+
+/* ---------------- Color space ---------------- */
+
+gs_private_st_composite(st_color_space_Separation, gs_paint_color_space,
+			"gs_color_space_Separation",
+			cs_Separation_enum_ptrs, cs_Separation_reloc_ptrs);
+
+/* Define the Separation color space type. */
+private cs_proc_base_space(gx_alt_space_Separation);
+private cs_proc_init_color(gx_init_Separation);
+private cs_proc_concrete_space(gx_concrete_space_Separation);
+private cs_proc_concretize_color(gx_concretize_Separation);
+private cs_proc_remap_concrete_color(gx_remap_concrete_Separation);
+private cs_proc_install_cspace(gx_install_Separation);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_Separation);
+const gs_color_space_type gs_color_space_type_Separation = {
+    gs_color_space_index_Separation, true, false,
+    &st_color_space_Separation, gx_num_components_1,
+    gx_alt_space_Separation,
+    gx_init_Separation, gx_restrict01_paint_1,
+    gx_concrete_space_Separation,
+    gx_concretize_Separation, gx_remap_concrete_Separation,
+    gx_default_remap_color, gx_install_Separation,
+    gx_adjust_cspace_Separation, gx_no_adjust_color_count
+};
+
+/* GC procedures */
+
+#define pcs ((gs_color_space *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(cs_Separation_enum_ptrs)
+{
+    return ENUM_USING(*pcs->params.separation.alt_space.type->stype,
+		      &pcs->params.separation.alt_space,
+		      sizeof(pcs->params.separation.alt_space), index - 1);
+}
+ENUM_PTR(0, gs_color_space, params.separation.map);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(cs_Separation_reloc_ptrs)
+{
+    RELOC_PTR(gs_color_space, params.separation.map);
+    RELOC_USING(*pcs->params.separation.alt_space.type->stype,
+		&pcs->params.separation.alt_space,
+		sizeof(gs_base_color_space));
+}
+RELOC_PTRS_END
+
+#undef pcs
+
+/* Get the alternate space for a Separation space. */
+private const gs_color_space *
+gx_alt_space_Separation(const gs_color_space * pcs)
+{
+    return (const gs_color_space *)&(pcs->params.separation.alt_space);
+}
+
+/* Get the concrete space for a Separation space. */
+/* (We don't support concrete Separation spaces yet.) */
+private const gs_color_space *
+gx_concrete_space_Separation(const gs_color_space * pcs,
+			     const gs_imager_state * pis)
+{
+    const gs_color_space *pacs =
+    (const gs_color_space *)&pcs->params.separation.alt_space;
+
+    return cs_concrete_space(pacs, pis);
+}
+
+/* Install a Separation color space. */
+private int
+gx_install_Separation(gs_color_space * pcs, gs_state * pgs)
+{
+    return (*pcs->params.separation.alt_space.type->install_cspace)
+	((gs_color_space *) & pcs->params.separation.alt_space, pgs);
+}
+
+/* Adjust the reference count of a Separation color space. */
+private void
+gx_adjust_cspace_Separation(const gs_color_space * pcs, int delta)
+{
+    rc_adjust_const(pcs->params.separation.map, delta,
+		    "gx_adjust_Separation");
+    (*pcs->params.separation.alt_space.type->adjust_cspace_count)
+	((const gs_color_space *)&pcs->params.separation.alt_space, delta);
+}
+
+/* ------ Constructors/accessors ------ */
+
+/*
+ * The default separation tint transformation function. This will just return
+ * the information in the cache or, if the cache is of zero size, set all
+ * components in the alternative color space to 0.
+ *
+ * No special cases are provided for this routine, as the use of separations
+ * (particular in this form) is sufficiently rare to not have a significant
+ * performance impact.
+ */
+private int
+map_tint_value(const gs_separation_params * pcssepr, floatp in_val,
+	       float *out_vals)
+{
+    int ncomps =
+    cs_num_components((const gs_color_space *)&pcssepr->alt_space);
+    int nentries = pcssepr->map->num_values / ncomps;
+    int indx;
+    const float *pv = pcssepr->map->values;
+    int i;
+
+    if (nentries == 0) {
+	for (i = 0; i < ncomps; i++)
+	    out_vals[i] = 0.0;
+	return 0;
+    }
+    if (in_val > 1)
+	indx = nentries - 1;
+    else if (in_val <= 0)
+	indx = 0;
+    else
+	indx = (int)(in_val * nentries + 0.5);
+    pv += indx * ncomps;
+
+    for (i = 0; i < ncomps; i++)
+	out_vals[i] = pv[i];
+    return 0;
+}
+
+/*
+ *  Allocate the indexed map required by a separation color space. 
+ */
+private gs_indexed_map *
+alloc_separation_map(const gs_color_space * palt_cspace, int cache_size,
+		     gs_memory_t * pmem)
+{
+    gs_indexed_map *pimap;
+
+    rc_alloc_struct_1(pimap, gs_indexed_map, &st_indexed_map, pmem,
+		      return 0,
+		      "gs_cspace_build_Separation"
+	);
+    pimap->rc.free = free_indexed_map;
+    pimap->proc.tint_transform = map_tint_value;
+
+    if (cache_size != 0) {
+	int num_comps = gs_color_space_num_components(palt_cspace);
+
+	cache_size *= num_comps;
+	pimap->num_values = cache_size;
+	pimap->values =
+	    (float *)gs_alloc_byte_array(pmem, cache_size, sizeof(float),
+					 "gs_cspace_build_Separation"
+	);
+
+	if (pimap->values == 0)
+	    rc_decrement(pimap, "gs_cspace_build_Separation");	/* sets pimap = 0 */
+
+    } else {
+	pimap->num_values = 0;
+	pimap->values = 0;
+    }
+    return pimap;
+}
+
+/*
+ * Build a separation color space.
+ *
+ * The values array provided with separation color spaces is actually cached
+ * information, but filled in by the client. The alternative space is the
+ * color space in which the tint procedure will provide alternative colors.
+ */
+int
+gs_cspace_build_Separation(
+			      gs_color_space ** ppcspace,
+			      gs_separation_name sname,
+			      const gs_color_space * palt_cspace,
+			      int cache_size,
+			      gs_memory_t * pmem
+)
+{
+    gs_color_space *pcspace = 0;
+    gs_separation_params *pcssepr = 0;
+    int code;
+
+    if (palt_cspace == 0 || !palt_cspace->type->can_be_alt_space)
+	return_error(gs_error_rangecheck);
+
+    code = gs_cspace_alloc(&pcspace, &gs_color_space_type_Separation, pmem);
+    if (code < 0)
+	return code;
+    pcssepr = &pcspace->params.separation;
+    pcssepr->map = alloc_separation_map(palt_cspace, cache_size, pmem);
+    if (pcssepr->map == 0) {
+	gs_free_object(pmem, pcspace, "gs_cspace_build_Separation");
+	return_error(gs_error_VMerror);
+    }
+    pcssepr->sname = sname;
+    gs_cspace_init_from((gs_color_space *) & pcssepr->alt_space, palt_cspace);
+    *ppcspace = pcspace;
+    return 0;
+}
+
+/*
+ * Get the cached value array for a separation color space. This will return
+ * a null pointer if the color space is not a separation color space, or if
+ * the separation color space has a cache size of 0.
+ */
+float *
+gs_cspace_get_separation_value_array(const gs_color_space * pcspace)
+{
+    if (gs_color_space_get_index(pcspace) != gs_color_space_index_Separation)
+	return 0;
+    return pcspace->params.separation.map->values;
+}
+
+/*
+ * Set the tint transformation procedure used by a Separation color space.
+ */
+int
+gs_cspace_set_tint_transform_proc(gs_color_space * pcspace,
+	    int (*proc) (P3(const gs_separation_params *, floatp, float *)))
+{
+    if (gs_color_space_get_index(pcspace) != gs_color_space_index_Separation)
+	return_error(gs_error_rangecheck);
+    pcspace->params.separation.map->proc.tint_transform = proc;
+    return 0;
+}
+
+/* ---------------- Graphics state ---------------- */
+
+/* setoverprint */
+void
+gs_setoverprint(gs_state * pgs, bool ovp)
+{
+    pgs->overprint = ovp;
+}
+
+/* currentoverprint */
+bool
+gs_currentoverprint(const gs_state * pgs)
+{
+    return pgs->overprint;
+}
+
+/* ------ Internal procedures ------ */
+
+/* Initialize a Separation color. */
+
+private void
+gx_init_Separation(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    pcc->paint.values[0] = 1.0;
+}
+
+/* Remap a Separation color. */
+
+private int
+gx_concretize_Separation(const gs_client_color * pc, const gs_color_space * pcs,
+			 frac * pconc, const gs_imager_state * pis)
+{
+    float tint = pc->paint.values[0];
+    int code;
+    gs_client_color cc;
+    const gs_color_space *pacs =
+    (const gs_color_space *)&pcs->params.separation.alt_space;
+
+    if (tint < 0)
+	tint = 0;
+    else if (tint > 1)
+	tint = 1;
+    /* We always map into the alternate color space. */
+    code = (*pcs->params.separation.map->proc.tint_transform) (&pcs->params.separation, tint, &cc.paint.values[0]);
+    if (code < 0)
+	return code;
+    return (*pacs->type->concretize_color) (&cc, pacs, pconc, pis);
+}
+
+private int
+gx_remap_concrete_Separation(const frac * pconc,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			     gs_color_select_t select)
+{				/* We don't support concrete Separation colors yet. */
+    return_error(gs_error_rangecheck);
+}
+
+/* ---------------- Notes on real Separation colors ---------------- */
+
+typedef ulong gs_separation;	/* BOGUS */
+
+#define gs_no_separation ((gs_separation)(-1L))
+
+#define dev_proc_lookup_separation(proc)\
+  gs_separation proc(P4(gx_device *dev, const byte *sname, uint len,\
+    gx_color_value *num_levels))
+
+#define dev_proc_map_tint_color(proc)\
+  gx_color_index proc(P4(gx_device *dev, gs_separation sepr, bool overprint,\
+    gx_color_value tint))
+
+/*
+ * In principle, setting a Separation color space, or setting the device
+ * when the current color space is a Separation space, calls the
+ * lookup_separation device procedure to obtain the separation ID and
+ * the number of achievable levels.  Currently, the only hooks for doing
+ * this are unsuitable: gx_set_cmap_procs isn't called when the color
+ * space changes, and doing it in gx_remap_Separation is inefficient.
+ * Probably the best approach is to call gx_set_cmap_procs whenever the
+ * color space changes.  In fact, if we do this, we can probably short-cut
+ * two levels of procedure call in color remapping (gx_remap_color, by
+ * turning it into a macro, and gx_remap_DeviceXXX, by calling the
+ * cmap_proc procedure directly).  Some care will be required for the
+ * implicit temporary resetting of the color space in [color]image.
+ *
+ * For actual remapping of Separation colors, we need cmap_separation_direct
+ * and cmap_separation_halftoned, just as for the other device color spaces.
+ * So we need to break apart gx_render_gray in gxdither.c so it can also
+ * do the job for separations.
+ */
diff --git a/pstoraster/gscsepr.h b/pstoraster/gscsepr.h
new file mode 100644
index 000000000..b719c60ca
--- /dev/null
+++ b/pstoraster/gscsepr.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1992, 1993, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to Separation color */
+
+#ifndef gscsepr_INCLUDED
+#  define gscsepr_INCLUDED
+
+#include "gscspace.h"
+
+/* Graphics state */
+bool gs_currentoverprint(P1(const gs_state *));
+void gs_setoverprint(P2(gs_state *, bool));
+
+/*
+ * Separation color spaces.
+ *
+ * The API for creating Separation color space objects exposes the fact that
+ * they normally cache the results of sampling the tint_transform procedure,
+ * and use the cache to convert colors when necessary.  When a language
+ * interpreter sets up a Separation space, it may either provide a
+ * tint_tranform procedure that will be called each time (specifying the
+ * cache size as 0), or it may fill in the cache directly and provide a
+ * dummy procedure.
+ *
+ * By default, the tint transformation procedure will simple return the
+ * entries in the cache. If this function is called when the cache size is
+ * 0, all color components in the alternative color space will be set to 0.
+ */
+extern int gs_cspace_build_Separation(
+					 gs_color_space ** ppcspace,
+					 gs_separation_name sname,
+					 const gs_color_space * palt_cspace,
+					 int cache_size,
+					 gs_memory_t * pmem
+);
+
+/* Get the cached value array for a Separation color space. */
+extern float *gs_separation_value_array(P1(
+					      const gs_color_space * pcspace
+					));
+
+/* Set the tint transformation procedure for a separation color space. */
+extern int gs_cspace_set_tint_transform_proc(P2(
+						   gs_color_space * pcspace,
+			       int (*proc) (P3(const gs_separation_params *,
+					       floatp,
+					       float *
+					    ))
+					     ));
+
+#endif /* gscsepr_INCLUDED */
diff --git a/pstoraster/gscspace.c b/pstoraster/gscspace.c
new file mode 100644
index 000000000..16f52bf92
--- /dev/null
+++ b/pstoraster/gscspace.c
@@ -0,0 +1,237 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color space operators and support */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsccolor.h"
+#include "gxcspace.h"
+#include "gxistate.h"
+
+/* Define the standard color space types. */
+extern cs_proc_remap_color(gx_remap_DeviceGray);
+extern cs_proc_concretize_color(gx_concretize_DeviceGray);
+extern cs_proc_remap_concrete_color(gx_remap_concrete_DGray);
+extern cs_proc_remap_color(gx_remap_DeviceRGB);
+extern cs_proc_concretize_color(gx_concretize_DeviceRGB);
+extern cs_proc_remap_concrete_color(gx_remap_concrete_DRGB);
+const gs_color_space_type gs_color_space_type_DeviceGray = {
+    gs_color_space_index_DeviceGray, true, true,
+    &st_base_color_space, gx_num_components_1,
+    gx_no_base_space,
+    gx_init_paint_1, gx_restrict01_paint_1,
+    gx_same_concrete_space,
+    gx_concretize_DeviceGray, gx_remap_concrete_DGray,
+    gx_remap_DeviceGray, gx_no_install_cspace,
+    gx_no_adjust_cspace_count, gx_no_adjust_color_count
+};
+const gs_color_space_type gs_color_space_type_DeviceRGB = {
+    gs_color_space_index_DeviceRGB, true, true,
+    &st_base_color_space, gx_num_components_3,
+    gx_no_base_space,
+    gx_init_paint_3, gx_restrict01_paint_3,
+    gx_same_concrete_space,
+    gx_concretize_DeviceRGB, gx_remap_concrete_DRGB,
+    gx_remap_DeviceRGB, gx_no_install_cspace,
+    gx_no_adjust_cspace_count, gx_no_adjust_color_count
+};
+
+/* Structure descriptors */
+public_st_color_space();
+public_st_base_color_space();
+
+/* Return the shared instances of the color spaces. */
+const gs_color_space *
+gs_cspace_DeviceGray(const gs_imager_state * pis)
+{
+    return gs_imager_state_shared(pis, cs_DeviceGray);
+}
+const gs_color_space *
+gs_cspace_DeviceRGB(const gs_imager_state * pis)
+{
+    return gs_imager_state_shared(pis, cs_DeviceRGB);
+}
+const gs_color_space *
+gs_cspace_DeviceCMYK(const gs_imager_state * pis)
+{
+    return gs_imager_state_shared(pis, cs_DeviceCMYK);
+}
+
+/* ------ Create/copy/destroy ------ */
+
+int
+gs_cspace_alloc(gs_color_space ** ppcspace,
+		const gs_color_space_type * pcstype,
+		gs_memory_t * mem)
+{
+    gs_color_space *pcspace =
+	gs_alloc_struct(mem, gs_color_space, &st_color_space,
+			"gs_cspace_alloc");
+
+    if (pcspace == 0)
+	return_error(gs_error_VMerror);
+    pcspace->pmem = mem;
+    pcspace->type = pcstype;
+    *ppcspace = pcspace;
+    return 0;
+}
+
+int
+gs_cspace_build_DeviceGray(gs_color_space ** ppcspace, gs_memory_t * pmem)
+{
+    return gs_cspace_alloc(ppcspace, &gs_color_space_type_DeviceGray, pmem);
+}
+int
+gs_cspace_build_DeviceRGB(gs_color_space ** ppcspace, gs_memory_t * pmem)
+{
+    return gs_cspace_alloc(ppcspace, &gs_color_space_type_DeviceRGB, pmem);
+}
+int
+gs_cspace_build_DeviceCMYK(gs_color_space ** ppcspace, gs_memory_t * pmem)
+{
+    return gs_cspace_alloc(ppcspace, &gs_color_space_type_DeviceCMYK, pmem);
+}
+
+/*
+ * Copy just enough of a color space object.  This will do the right thing
+ * for copying color spaces into the base or alternate color space of a
+ * compound color space when legal, but it can't check that the operation is
+ * actually legal.
+ */
+inline private void
+cs_copy(gs_color_space *pcsto, const gs_color_space *pcsfrom)
+{
+    memcpy(pcsto, pcsfrom, pcsfrom->type->stype->ssize);
+}
+
+/* Copy a color space into one newly allocated by the caller. */
+void
+gs_cspace_init_from(gs_color_space * pcsto, const gs_color_space * pcsfrom)
+{
+    cs_copy(pcsto, pcsfrom);
+    (*pcsto->type->adjust_cspace_count)(pcsto, 1);
+}
+
+/* Assign a color space into a previously initialized one. */
+void
+gs_cspace_assign(gs_color_space * pdest, const gs_color_space * psrc)
+{
+    /* check for a = a */
+    if (pdest == psrc)
+	return;
+    (*psrc->type->adjust_cspace_count)(psrc, 1);
+    (*pdest->type->adjust_cspace_count)(pdest, -1);
+    cs_copy(pdest, psrc);
+}
+
+
+/* Prepare to free a color space. */
+void
+gs_cspace_release(gs_color_space * pcs)
+{
+    (*pcs->type->adjust_cspace_count)(pcs, -1);
+}
+
+/* ------ Accessors ------ */
+
+/* Get the index of a color space. */
+gs_color_space_index
+gs_color_space_get_index(const gs_color_space * pcs)
+{
+    return pcs->type->index;
+}
+
+/* Get the number of components in a color space. */
+int
+gs_color_space_num_components(const gs_color_space * pcs)
+{
+    return cs_num_components(pcs);
+}
+
+int
+gx_num_components_1(const gs_color_space * pcs)
+{
+    return 1;
+}
+int
+gx_num_components_3(const gs_color_space * pcs)
+{
+    return 3;
+}
+int
+gx_num_components_4(const gs_color_space * pcs)
+{
+    return 4;
+}
+
+/*
+ * For color spaces that have a base or alternative color space, return that
+ * color space. Otherwise return null.
+ */
+const gs_color_space *
+gs_cspace_base_space(const gs_color_space * pcspace)
+{
+    return cs_base_space(pcspace);
+}
+
+const gs_color_space *
+gx_no_base_space(const gs_color_space * pcspace)
+{
+    return NULL;
+}
+
+/* ------ Other implementation procedures ------ */
+
+/* Null color space installation procedure. */
+int
+gx_no_install_cspace(gs_color_space * pcs, gs_state * pgs)
+{
+    return 0;
+}
+
+/* Null reference count adjustment procedure. */
+void
+gx_no_adjust_cspace_count(const gs_color_space * pcs, int delta)
+{
+}
+
+/* GC procedures */
+
+#define pcs ((gs_color_space *)vptr)
+private 
+ENUM_PTRS_BEGIN_PROC(color_space_enum_ptrs)
+{
+    return ENUM_USING(*pcs->type->stype, vptr, size, index);
+    ENUM_PTRS_END_PROC
+}
+private 
+RELOC_PTRS_BEGIN(color_space_reloc_ptrs)
+{
+    RELOC_USING(*pcs->type->stype, vptr, size);
+}
+RELOC_PTRS_END
+#undef pcs
diff --git a/pstoraster/gscspace.h b/pstoraster/gscspace.h
new file mode 100644
index 000000000..ce66513a0
--- /dev/null
+++ b/pstoraster/gscspace.h
@@ -0,0 +1,400 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to color spaces */
+
+#ifndef gscspace_INCLUDED
+#  define gscspace_INCLUDED
+
+#include "gsmemory.h"
+
+/*
+ * The handling of color spaces in the graphic library is somewhat
+ * awkward because of historical artifacts.
+ *
+ * The PostScript Level 1 (DeviceGray/RGB) color spaces, and the "Level
+ * 1 1/2" DeviceCMYK space, have no associated parameters.  Therefore,
+ * they can be represented as simple objects (just a pointer to a type
+ * vector containing procedures and parameters).  This was the original
+ * design.
+ *
+ * PostScript Level 2 and LanguageLevel 3 add two new kinds of color spaces:
+ * color spaces with parameters (CIEBased and DevicePixel spaces), and
+ * compound color spaces (Indexed, Separation, Pattern, and DeviceN spaces),
+ * which parameters that include specifying an alternate or underlying color
+ * space.  To handle these spaces, we extended the original design to store
+ * scalar parameters (i.e., parameters other than the complex color
+ * transformation data for CIEBased spaces, the lookup table for Indexed
+ * spaces, and the list of component names for DeviceN spaces) in-line in
+ * the color space object.  For compound spaces, this requires storing a
+ * color space in-line inside another color space, which is clearly
+ * impossible.  Therefore, we defined a generality hierarchy for color
+ * spaces:
+ *
+ *      - Base spaces (DeviceGray/RGB/CMYK/Pixel and CIEBased),
+ *      whose parameters (if any) don't include other color spaces.
+ *
+ *	- Direct spaces (base spaces + Separation and DeviceN), which
+ *	may have a base space as an alternative space.
+ *
+ *      - Paint spaces (direct spaces + Indexed), which may have a
+ *      direct space as the underlying space.
+ *
+ *      - General spaces (paint spaces + Pattern), which may have a
+ *      paint space as the underlying space.
+ *
+ * With this approach, a general space can include a paint space stored
+ * in-line; a paint space (either in its own right or as the underlying
+ * space of a Pattern space) can include a direct space in-line; and a
+ * direct space can include a base space in-line.
+ *
+ * Note that because general, paint, direct, and base spaces are
+ * (necessarily) of different sizes, assigning (copying the top object of)
+ * color spaces must take into account the actual size of the color space
+ * being assigned.  In principle, this also requires checking that the
+ * source object will actually fit into the destination.  Currently we rely
+ * on the caller to ensure that this is the case; in fact, the current API
+ * (gs_cspace_init and gs_cspace_assign) doesn't even provide enough
+ * information to make the check.
+ *
+ * In retrospect, we might have gotten a simpler design without significant
+ * performance loss by always referencing underlying and alternate spaces
+ * through a pointer; however, at this point, the cost and risk of changing
+ * to such a design are too high.
+ *
+ * There are two aspects to memory management for color spaces: managing
+ * the color space objects themselves, and managing the non-scalar
+ * parameters that they reference (if any).
+ *
+ *      - Color space objects per se have no special management properties:
+ *      they can be allocated on the stack or on the heap, and freed by
+ *      scope exit, explicit deallocation, or garbage collection.
+ *
+ *      - Separately allocated (non-scalar) color space parameters are
+ *      managed by reference counting.  Currently we do this for the
+ *      CIEBased spaces, and for the first-level parameters of Indexed and
+ *      Separation spaces: clients must deal with deallocating the other
+ *      parameter structures mentioned above, including the Indexed lookup
+ *      table if any. This is clearly not a good situation, but we don't
+ *      envision fixing it any time soon.
+ *
+ * Here is the information associated with the various color space
+ * structures.  Note that DevicePixel, DeviceN, and the ability to use
+ * Separation or DeviceN spaces as the base space of an Indexed space
+ * are LanguageLevel 3 additions.  Unfortunately, the terminology for the
+ * different levels of generality is confusing and inconsistent for
+ * historical reasons.
+ *
+ * For base spaces:
+ *
+ * Space        Space parameters                Color parameters
+ * -----        ----------------                ----------------
+ * DeviceGray   (none)                          1 real [0-1]
+ * DeviceRGB    (none)                          3 reals [0-1]
+ * DeviceCMYK   (none)                          4 reals [0-1]
+ * DevicePixel  depth                           1 int [up to depth bits]
+ * CIEBasedDEFG dictionary                      4 reals
+ * CIEBasedDEF  dictionary                      3 reals
+ * CIEBasedABC  dictionary                      3 reals
+ * CIEBasedA    dictionary                      1 real
+ *
+ * For non-base direct spaces:
+ *
+ * Space        Space parameters                Color parameters
+ * -----        ----------------                ----------------
+ *
+ * Separation   name, alt_space, tint_xform     1 real [0-1]
+ * DeviceN      names, alt_space, tint_xform    N reals
+ *
+ * For non-direct paint spaces:
+ *
+ * Space        Space parameters                Color parameters
+ * -----        ----------------                ----------------
+ * Indexed      base_space, hival, lookup       1 int [0-hival]
+ *
+ * For non-paint spaces:
+ *
+ * Space        Space parameters                Color parameters
+ * -----        ----------------                ----------------
+ * Pattern      colored: (none)                 dictionary
+ *              uncolored: base_space dictionary + base space params */
+
+/* Color space type indices */
+typedef enum {
+
+    /* Supported in all configurations */
+    gs_color_space_index_DeviceGray = 0,
+    gs_color_space_index_DeviceRGB,
+
+    /* Supported in extended Level 1, and in Level 2 and above */
+    gs_color_space_index_DeviceCMYK,
+
+    /* Supported in LanguageLevel 3 only */
+    gs_color_space_index_DevicePixel,
+    gs_color_space_index_DeviceN,
+
+    /* Supported in Level 2 and above only */
+    /* DEC C truncates identifiers at 32 characters, so.... */
+    gs_color_space_index_CIEDEFG,
+    gs_color_space_index_CIEDEF,
+    gs_color_space_index_CIEABC,
+    gs_color_space_index_CIEA,
+    gs_color_space_index_Separation,
+    gs_color_space_index_Indexed,
+    gs_color_space_index_Pattern
+
+} gs_color_space_index;
+
+/* Define an abstract type for color space types (method structures). */
+typedef struct gs_color_space_type_s gs_color_space_type;
+
+/*
+ * The common part of all color spaces. This structure now includes a memory
+ * structure pointer, so that it may be released without providing this
+ * information separately. (type is a pointer to the structure of methods.)
+ *
+ * Note that all color space structures consist of the basic information and
+ * a union containing some additional information. The macro operand is that
+ * union.
+ */
+#define gs_cspace_common(param_union)   \
+    const gs_color_space_type * type;   \
+    gs_memory_t *               pmem;   \
+    union {                             \
+	param_union;                    \
+    }                           params
+
+/*
+ * Parameters for base color spaces. Of the base color spaces, only
+ * DevicePixel and CIE spaces have parameters: see gscie.h for the structure
+ * definitions for CIE space parameters.
+ */
+typedef struct gs_device_pixel_params_s {
+    int depth;
+} gs_device_pixel_params;
+typedef struct gs_cie_a_s gs_cie_a;
+typedef struct gs_cie_abc_s gs_cie_abc;
+typedef struct gs_cie_def_s gs_cie_def;
+typedef struct gs_cie_defg_s gs_cie_defg;
+
+#define gs_base_cspace_params           \
+    gs_device_pixel_params   pixel;     \
+    gs_cie_defg *            defg;      \
+    gs_cie_def *             def;       \
+    gs_cie_abc *             abc;       \
+    gs_cie_a *               a
+
+typedef struct gs_base_color_space_s {
+    gs_cspace_common(gs_base_cspace_params);
+} gs_base_color_space;
+
+#define gs_base_color_space_size sizeof(gs_base_color_space)
+
+/*
+ * Non-base direct color spaces: Separation and DeviceN spaces.
+ * These include a base alternative color space.
+ */
+typedef ulong gs_separation_name;	/* BOGUS */
+typedef struct gs_indexed_map_s gs_indexed_map;
+
+typedef struct gs_separation_params_s {
+    gs_separation_name sname;
+    gs_base_color_space alt_space;
+    gs_indexed_map *map;
+} gs_separation_params;
+
+typedef struct gs_device_n_params_s gs_device_n_params;
+struct gs_device_n_params_s {
+    gs_separation_name *names;
+    uint num_components;
+    gs_base_color_space alt_space;
+    int (*tint_transform)
+        (P4(const gs_device_n_params * params, const float *in, float *out,
+	    void *data));
+    void *tint_transform_data;
+};
+
+#define gs_direct_cspace_params         \
+    gs_base_cspace_params;              \
+    gs_separation_params separation;    \
+    gs_device_n_params device_n
+
+typedef struct gs_direct_color_space_s {
+    gs_cspace_common(gs_direct_cspace_params);
+} gs_direct_color_space;
+
+#define gs_direct_color_space_size sizeof(gs_direct_color_space)
+
+/*
+ * Non-direct paint space: Indexed space.
+ *
+ * Note that for indexed color spaces, hival is the highest support index,
+ * which is one less than the number of entries in the palette (as defined
+ * in PostScript).
+ */
+
+typedef struct gs_indexed_params_s {
+    gs_direct_color_space base_space;
+    int hival;			/* num_entries - 1 */
+    union {
+	gs_const_string table;	/* size is implicit */
+	gs_indexed_map *map;
+    } lookup;
+    bool use_proc;		/* 0 = use table, 1 = use proc & map */
+} gs_indexed_params;
+
+#define gs_paint_cspace_params          \
+    gs_direct_cspace_params;            \
+    gs_indexed_params indexed
+
+typedef struct gs_paint_color_space_s {
+    gs_cspace_common(gs_paint_cspace_params);
+} gs_paint_color_space;
+
+#define gs_paint_color_space_size sizeof(gs_paint_color_space)
+
+/*
+ * Pattern parameter set. This may contain an instances of a paintable
+ * color space. The boolean indicates if this is the case.
+ */
+typedef struct gs_pattern_params_s {
+    bool has_base_space;
+    gs_paint_color_space base_space;
+} gs_pattern_params;
+
+/*
+ * Fully general color spaces.
+ */
+struct gs_color_space_s {
+    gs_cspace_common(
+	gs_paint_cspace_params;
+	gs_pattern_params pattern
+    );
+};
+
+#define gs_pattern_color_space_size sizeof(gs_color_space)
+
+/*
+ * Define the abstract type for color space objects.
+ */
+#ifndef gs_color_space_DEFINED
+#  define gs_color_space_DEFINED
+typedef struct gs_color_space_s gs_color_space;
+#endif
+
+					/*extern_st(st_color_space); *//* in gxcspace.h */
+#define public_st_color_space()	/* in gscspace.c */  \
+    gs_public_st_composite( st_color_space,         \
+                            gs_color_space,         \
+                            "gs_color_space",       \
+                            color_space_enum_ptrs,  \
+                            color_space_reloc_ptrs  \
+                            )
+
+#define st_color_space_max_ptrs 2	/* 1 base + 1 indexed */
+
+/* ---------------- Procedures ---------------- */
+
+/* ------ Create/copy/destroy ------ */
+
+/*
+ * Note that many of the constructors take no parameters, and the
+ * remainder take only a few (CIE color spaces constructures take a
+ * client data pointer as an operand, the composite color space (Separation,
+ * Indexed, and Pattern) constructurs take the base space as an operand,
+ * and the Indexed color space constructors have a few additiona operands).
+ * This is done to conserve memory. If initialization values for all the
+ * color space parameters were provided to the constructors, these values
+ * would need to have some fairly generic format. Different clients gather
+ * this data in different forms, so they would need to allocate memory to
+ * convert it to the generic form, only to immediately release this memory
+ * once the construction is complete.
+ *
+ * The alternative approach employed here is to provide a number of access
+ * methods (macros) that return pointers to individual fields of the
+ * various color space structures. This requires exporting only fairly simple
+ * data structures, and so does not violate modularity too severely.
+ *
+ * NB: Of necessity, the macros provide access to modifiable structures. If
+ *     these structures are modified after the color space object is first
+ *     initialized, unpredictable and, most likely, undesirable results will
+ *     occur.
+ *
+ * The constructors will return an integer, which is 0 on success and an
+ * error code on failure (gs_error_VMerror or gs_error_rangecheck).
+ */
+
+extern int
+    gs_cspace_build_DeviceGray(P2(gs_color_space ** ppcspace,
+				  gs_memory_t * pmem)),
+    gs_cspace_build_DeviceRGB(P2(gs_color_space ** ppcspace,
+				 gs_memory_t * pmem)),
+    gs_cspace_build_DeviceCMYK(P2(gs_color_space ** ppcspace,
+				  gs_memory_t * pmem));
+
+/*
+ * We preallocate instances of the 3 device color spaces, and provide
+ * procedures that return them.  Note that gs_cspace_DeviceCMYK() is
+ * defined even if CMYK color support is not included in this configuration.
+ */
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+#endif
+
+const gs_color_space * gs_cspace_DeviceGray(P1(const gs_imager_state * pis));
+const gs_color_space * gs_cspace_DeviceRGB(P1(const gs_imager_state * pis));
+const gs_color_space * gs_cspace_DeviceCMYK(P1(const gs_imager_state * pis));
+
+/* Copy a color space into one newly allocated by the caller. */
+void gs_cspace_init_from(P2(gs_color_space * pcsto,
+			    const gs_color_space * pcsfrom));
+
+/* Assign a color space into a previously initialized one. */
+void cs_cspace_assign(P2(gs_color_space * pdest, const gs_color_space * psrc));
+
+/* Prepare to free a color space. */
+void gs_cspace_release(P1(gs_color_space * pcs));
+
+/* ------ Accessors ------ */
+
+/* Get the index of a color space. */
+gs_color_space_index gs_color_space_get_index(P1(const gs_color_space *));
+
+/* Get the number of components in a color space. */
+int gs_color_space_num_components(P1(const gs_color_space *));
+
+/*
+ * Get the base space of an Indexed or uncolored Pattern color space, or the
+ * alternate space of a Separation or DeviceN space.  Return NULL if the
+ * color space does not have a base/alternative color space.
+ */
+const gs_color_space *gs_cspace_base_space(P1(const gs_color_space * pcspace));
+
+/* backwards compatibility */
+#define gs_color_space_indexed_base_space(pcspace)\
+    gs_cspace_base_space(pcspace)
+
+#endif /* gscspace_INCLUDED */
diff --git a/pstoraster/gsdcolor.h b/pstoraster/gsdcolor.h
new file mode 100644
index 000000000..3e0fae30d
--- /dev/null
+++ b/pstoraster/gsdcolor.h
@@ -0,0 +1,332 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Device color representation for drivers */
+
+#ifndef gsdcolor_INCLUDED
+#  define gsdcolor_INCLUDED
+
+#include "gsccolor.h"
+#include "gxarith.h"		/* for imod */
+#include "gxbitmap.h"
+#include "gxhttile.h"
+#include "gxcindex.h"
+
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * The definitions in the following section of the file are the only
+ * ones that should be used by read-only clients such as implementors
+ * of high-level driver functions.
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * A device color consists of a base color and an optional (tiled) mask.
+ * The base color may be a pure color, a binary halftone, or a colored
+ * bitmap (color halftone or colored Pattern).  The mask is used for
+ * both colored and uncolored Patterns.
+ */
+
+/* Accessing a pure color. */
+#define gx_dc_is_pure(pdc)\
+  ((pdc)->type == gx_dc_type_pure)
+#define gx_dc_writes_pure(pdc, lop)\
+  (gx_dc_is_pure(pdc) && lop_no_S_is_T(lop))
+#define gx_dc_pure_color(pdc)\
+  ((pdc)->colors.pure)
+
+/* Accessing the phase of a halftone. */
+#define gx_dc_phase(pdc)\
+  ((pdc)->phase)
+
+/* Accessing a binary halftone. */
+#define gx_dc_is_binary_halftone(pdc)\
+  ((pdc)->type == gx_dc_type_ht_binary)
+#define gx_dc_binary_tile(pdc)\
+  (&(pdc)->colors.binary.b_tile->tiles)
+#define gx_dc_binary_color0(pdc)\
+  ((pdc)->colors.binary.color[0])
+#define gx_dc_binary_color1(pdc)\
+  ((pdc)->colors.binary.color[1])
+
+/* Accessing a colored halftone. */
+#define gx_dc_is_colored_halftone(pdc)\
+  ((pdc)->type == gx_dc_type_ht_colored)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * The definitions in the following section of the file, plus the ones
+ * just above, are the only ones that should be used by clients that
+ * set as well as read device colors.
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#define color_is_set(pdc)\
+  ((pdc)->type != gx_dc_type_none)
+#define color_unset(pdc)\
+  ((pdc)->type = gx_dc_type_none)
+
+#define gx_dc_is_null(pdc)\
+  ((pdc)->type == gx_dc_type_null)
+#define color_is_null(pdc) gx_dc_is_null(pdc)
+#define color_set_null(pdc)\
+  ((pdc)->type = gx_dc_type_null)
+
+#define color_is_pure(pdc) gx_dc_is_pure(pdc)
+#define color_writes_pure(pdc, lop) gx_dc_writes_pure(pdc, lop)
+#define color_set_pure(pdc, color)\
+  ((pdc)->colors.pure = (color),\
+   (pdc)->type = gx_dc_type_pure)
+
+/* Set the phase to an offset from the tile origin. */
+#define color_set_phase(pdc, px, py)\
+  ((pdc)->phase.x = (px),\
+   (pdc)->phase.y = (py))
+/* Set the phase from the halftone phase in a graphics state. */
+#define color_set_phase_mod(pdc, px, py, tw, th)\
+  color_set_phase(pdc, imod(-(px), tw), imod(-(py), th))
+
+#define color_is_binary_halftone(pdc) gx_dc_is_binary_halftone(pdc)
+#define color_set_binary_halftone(pdc, ht, color0, color1, level)\
+  ((pdc)->colors.binary.b_ht = (ht),\
+   (pdc)->colors.binary.color[0] = (color0),\
+   (pdc)->colors.binary.color[1] = (color1),\
+   (pdc)->colors.binary.b_level = (level),\
+   (pdc)->type = gx_dc_type_ht_binary)
+#define color_set_binary_tile(pdc, color0, color1, tile)\
+  ((pdc)->colors.binary.b_ht = 0,\
+   (pdc)->colors.binary.color[0] = (color0),\
+   (pdc)->colors.binary.color[1] = (color1),\
+   (pdc)->colors.binary.b_tile = (tile),\
+   (pdc)->type = gx_dc_type_ht_binary)
+
+#define color_is_colored_halftone(pdc) gx_dc_is_colored_halftone(pdc)
+#define _color_set_c(pdc, i, b, l)\
+  ((pdc)->colors.colored.c_base[i] = (b),\
+   (pdc)->colors.colored.c_level[i] = (l))
+#define color_set_rgb_halftone(pdc, ht, br, lr, bg, lg, bb, lb, a)\
+  ((pdc)->colors.colored.c_ht = (ht),\
+   _color_set_c(pdc, 0, br, lr),\
+   _color_set_c(pdc, 1, bg, lg),\
+   _color_set_c(pdc, 2, bb, lb),\
+   (pdc)->colors.colored.alpha = (a),\
+   (pdc)->type = gx_dc_type_ht_colored)
+/* Some special clients set the individual components separately. */
+#define color_finish_set_cmyk_halftone(pdc, ht)\
+  ((pdc)->colors.colored.c_ht = (ht),\
+   (pdc)->colors.colored.alpha = max_ushort,\
+   (pdc)->type = gx_dc_type_ht_colored)
+#define color_set_cmyk_halftone(pdc, ht, bc, lc, bm, lm, by, ly, bk, lk)\
+   (_color_set_c(pdc, 0, bc, lc),\
+    _color_set_c(pdc, 1, bm, lm),\
+    _color_set_c(pdc, 2, by, ly),\
+    _color_set_c(pdc, 3, bk, lk),\
+    color_finish_set_cmyk_halftone(pdc, ht))
+
+/* Note that color_set_null_pattern doesn't set mask.ccolor. */
+#define color_set_null_pattern(pdc)\
+ ((pdc)->mask.id = gx_no_bitmap_id,\
+  (pdc)->mask.m_tile = 0,\
+  (pdc)->colors.pattern.p_tile = 0,\
+  (pdc)->type = gx_dc_type_pattern)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * The remaining definitions are internal ones that are included in this
+ * file only because C's abstraction mechanisms aren't strong enough to
+ * allow us to keep them separate and still have in-line access to the
+ * commonly used members.
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* Define opaque types for objects referenced by device colors. */
+
+#ifndef gx_ht_tile_DEFINED
+#  define gx_ht_tile_DEFINED
+typedef struct gx_ht_tile_s gx_ht_tile;
+
+#endif
+
+#ifndef gx_device_halftone_DEFINED
+#  define gx_device_halftone_DEFINED
+typedef struct gx_device_halftone_s gx_device_halftone;
+
+#endif
+
+#ifndef gx_color_tile_DEFINED
+#  define gx_color_tile_DEFINED
+typedef struct gx_color_tile_s gx_color_tile;
+
+#endif
+
+/*
+ * The device color in the graphics state is computed from client color
+ * specifications, and kept current through changes in transfer function,
+ * device, and (if relevant) halftone phase.
+ * (gx_set_dev_color sets the device color if needed.)
+ * For binary halftones (and eventually colored halftones as well),
+ * the bitmaps are only cached, so internal clients (the painting operators)
+ * must call gx_color_load to ensure that the bitmap is available.
+ * Device color elements set by gx_color_load are marked with @ below.
+ *
+ * Base colors are represented as follows:
+ *
+ *      Pure color (gx_dc_pure):
+ *              colors.pure = the color;
+ *      Binary halftone (gx_dc_ht_binary):
+ *              colors.binary.b_ht = the device halftone;
+ *              colors.binary.color[0] = the color for 0s (darker);
+ *              colors.binary.color[1] = the color for 1s (lighter);
+ *              colors.binary.b_level = the number of pixels to lighten,
+ *                0 < halftone_level < P, the number of pixels in the tile;
+ *      @       colors.binary.b_tile points to an entry in the binary
+ *                tile cache.
+ *      Colored halftone (gx_dc_ht_colored):
+ *              colors.colored.c_ht = the device halftone;
+ *              colors.colored.c_level[0..N-1] = the halftone levels,
+ *                like b_level;
+ *              colors.colored.c_base[0..N-1] = the base colors;
+ *                N=3 for RGB devices, 4 for CMYK devices;
+ *                0 <= c_level[i] < P;
+ *                0 <= c_base[i] <= dither_rgb;
+ *              colors.colored.alpha = the opacity.
+ *      Colored pattern (gx_dc_pattern):
+ *              (mask is also set, see below)
+ *      @       colors.pattern.p_tile points to a gx_color_tile in
+ *                the pattern cache, or is NULL for a null pattern.
+ *
+ * The phase element is used for all colors except pure ones.  It holds the
+ * negative of the graphics state halftone phase, modulo the halftone tile
+ * size.
+ *
+ * The mask elements of a device color are only used for patterns:
+ *      Non-pattern:
+ *              mask is unused.
+ *      Pattern:
+ *              mask.ccolor gives the original Pattern color (needed for
+ *                reloading the pattern cache);
+ *              mask.id gives the ID of the pattern (and its mask);
+ *              mask.m_phase holds the negative of the graphics state
+ *                halftone phase;
+ *      @       mask.m_tile points to a gx_color_tile in the pattern cache,
+ *                or is NULL for a pattern that doesn't require a mask.
+ *                (The 'bits' of the tile are not accessed.)
+ *                For colored patterns requiring a mask, p_tile and
+ *                mask.m_tile point to the same cache entry.
+ * For masked colors, gx_set_dev_color replaces the type with a different
+ * type that applies the mask when painting.  These types are not defined
+ * here, because they are only used in Level 2.
+ */
+
+/* Define the (opaque) type for device color types. */
+/* The name is an unfortunate anachronism. */
+typedef struct gx_device_color_type_s gx_device_color_type_t;
+typedef const gx_device_color_type_t *gx_device_color_type;
+
+struct gx_device_color_s {
+    /*
+     * Since some compilers don't allow static initialization of a
+     * union, we put the type first.
+     */
+    gx_device_color_type type;
+    /*
+     * See the comment above for descriptions of the members.  We use
+     * b_, c_, and p_ member names because some old compilers don't
+     * allow the same name to be used for two different structure
+     * members even when it's unambiguous.
+     */
+    union _c {
+	gx_color_index pure;
+	struct _bin {
+	    const gx_device_halftone *b_ht;
+	    gx_color_index color[2];
+	    uint b_level;
+	    gx_ht_tile *b_tile;
+	} binary;
+	struct _col {
+	    const gx_device_halftone *c_ht;
+	    byte c_base[4];
+	    uint c_level[4];
+	         ushort /*gx_color_value */ alpha;
+	} colored;
+	struct _pat {
+	    gx_color_tile *p_tile;
+	} /*(colored) */ pattern;
+    } colors;
+    gs_int_point phase;
+    struct _mask {
+	gs_client_color ccolor;	/* needed for remapping pattern */
+	struct mp_ {
+	    short x, y;
+	} m_phase;
+	gx_bitmap_id id;
+	gx_color_tile *m_tile;
+    } mask;
+};
+
+/*extern_st(st_device_color); *//* in gxdcolor.h */
+#define public_st_device_color() /* in gxcmap.c */\
+  gs_public_st_composite(st_device_color, gx_device_color, "gx_device_color",\
+    device_color_enum_ptrs, device_color_reloc_ptrs)
+#define st_device_color_max_ptrs 2
+
+/*
+ * Define the standard device color types.
+ * We define them here as pointers to the real types only because a few
+ * C compilers don't allow declaring externs with abstract struct types;
+ * we redefine them as macros in gxdcolor.h where the concrete type for
+ * gx_device_color_procs is available.
+ * We spell out the definition of gx_device_color type because some
+ * C compilers can't handle the typedef correctly.
+ */
+#ifndef gx_dc_type_none
+extern const gx_device_color_type_t *const gx_dc_type_none;	/* gxdcolor.c */
+
+#endif
+#ifndef gx_dc_type_null
+extern const gx_device_color_type_t *const gx_dc_type_null;	/* gxdcolor.c */
+
+#endif
+#ifndef gx_dc_type_pure
+extern const gx_device_color_type_t *const gx_dc_type_pure;	/* gxdcolor.c */
+
+#endif
+		/*
+		 * We don't declare gx_dc_pattern here, so as not to create
+		 * a spurious external reference in Level 1 systems.
+		 */
+#ifndef gx_dc_type_pattern
+								    /*extern const gx_device_color_type_t * const gx_dc_type_pattern; *//* gspcolor.c */
+#endif
+#ifndef gx_dc_type_ht_binary
+extern const gx_device_color_type_t *const gx_dc_type_ht_binary;	/* gxht.c */
+
+#endif
+#ifndef gx_dc_type_ht_colored
+extern const gx_device_color_type_t *const gx_dc_type_ht_colored;	/* gxcht.c */
+
+#endif
+
+#endif /* gsdcolor_INCLUDED */
diff --git a/pstoraster/gsdevice.c b/pstoraster/gsdevice.c
new file mode 100644
index 000000000..ef73fd73d
--- /dev/null
+++ b/pstoraster/gsdevice.c
@@ -0,0 +1,570 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Device operators for Ghostscript library */
+#include "ctype_.h"
+#include "memory_.h"		/* for memcpy */
+#include "string_.h"
+#include "gx.h"
+#include "gscdefs.h"		/* for gs_lib_device_list */
+#include "gserrors.h"
+#include "gp.h"
+#include "gsstruct.h"
+#include "gspath.h"		/* gs_initclip prototype */
+#include "gspaint.h"		/* gs_erasepage prototype */
+#include "gsmatrix.h"		/* for gscoord.h */
+#include "gscoord.h"		/* for gs_initmatrix */
+#include "gzstate.h"
+#include "gxcmap.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+
+/* Include the extern for the device list. */
+extern_gs_lib_device_list();
+
+/* Finalization for devices: close the device if it is open. */
+void
+gx_device_finalize(void *vptr)
+{
+    discard(gs_closedevice((gx_device *) vptr));
+}
+
+/* GC procedures */
+#define fdev ((gx_device_forward *)vptr)
+private 
+ENUM_PTRS_BEGIN(device_forward_enum_ptrs) return 0;
+
+case 0:
+ENUM_RETURN(gx_device_enum_ptr(fdev->target));
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(device_forward_reloc_ptrs)
+{
+    fdev->target = gx_device_reloc_ptr(fdev->target, gcst);
+}
+RELOC_PTRS_END
+#undef fdev
+
+/*
+ * Structure descriptors.  These must follow the procedures, because
+ * we can't conveniently forward-declare the procedures.
+ * (See gxdevice.h for details.)
+ */
+public_st_device();
+public_st_device_forward();
+public_st_device_null();
+/* A fake descriptor for devices whose descriptor we can't find. */
+gs_private_st_complex_only(st_device_unknown, byte, "gx_device(unknown)",
+    0, gs_no_struct_enum_ptrs, gs_no_struct_reloc_ptrs, gx_device_finalize);
+
+/* GC utilities */
+/* Enumerate or relocate a device pointer for a client. */
+gx_device *
+gx_device_enum_ptr(gx_device * dev)
+{
+    if (dev == 0 || dev->memory == 0)
+	return 0;
+    return dev;
+}
+gx_device *
+gx_device_reloc_ptr(gx_device * dev, gc_state_t * gcst)
+{
+    if (dev == 0 || dev->memory == 0)
+	return dev;
+    return RELOC_OBJ(dev);	/* gcst implicit */
+}
+
+/* Set up the device procedures in the device structure. */
+/* Also copy old fields to new ones. */
+void
+gx_device_set_procs(gx_device * dev)
+{
+    if (dev->static_procs != 0) {	/* 0 if already populated */
+	dev->procs = *dev->static_procs;
+	dev->static_procs = 0;
+    }
+}
+
+/* Flush buffered output to the device */
+int
+gs_flushpage(gs_state * pgs)
+{
+    gx_device *dev = gs_currentdevice(pgs);
+
+    return (*dev_proc(dev, sync_output)) (dev);
+}
+
+/* Make the device output the accumulated page description */
+int
+gs_copypage(gs_state * pgs)
+{
+    return gs_output_page(pgs, 1, 0);
+}
+int
+gs_output_page(gs_state * pgs, int num_copies, int flush)
+{
+    gx_device *dev = gs_currentdevice(pgs);
+    int code;
+
+    if (dev->IgnoreNumCopies)
+	num_copies = 1;
+    code = (*dev_proc(dev, output_page)) (dev, num_copies, flush);
+    if (code >= 0)
+	dev->PageCount += num_copies;
+    return code;
+}
+
+/* Copy scan lines from an image device */
+int
+gs_copyscanlines(gx_device * dev, int start_y, byte * data, uint size,
+		 int *plines_copied, uint * pbytes_copied)
+{
+    uint line_size = gx_device_raster(dev, 0);
+    uint count = size / line_size;
+    uint i;
+    byte *dest = data;
+
+    for (i = 0; i < count; i++, dest += line_size) {
+	int code = (*dev_proc(dev, get_bits)) (dev, start_y + i, dest, NULL);
+
+	if (code < 0) {
+	    /* Might just be an overrun. */
+	    if (start_y + i == dev->height)
+		break;
+	    return_error(code);
+	}
+    }
+    if (plines_copied != NULL)
+	*plines_copied = i;
+    if (pbytes_copied != NULL)
+	*pbytes_copied = i * line_size;
+    return 0;
+}
+
+/* Get the current device from the graphics state. */
+gx_device *
+gs_currentdevice(const gs_state * pgs)
+{
+    return pgs->device;
+}
+
+/* Get the name of a device. */
+const char *
+gs_devicename(const gx_device * dev)
+{
+    return dev->dname;
+}
+
+/* Get the initial matrix of a device. */
+void
+gs_deviceinitialmatrix(gx_device * dev, gs_matrix * pmat)
+{
+    fill_dev_proc(dev, get_initial_matrix, gx_default_get_initial_matrix);
+    (*dev_proc(dev, get_initial_matrix)) (dev, pmat);
+}
+
+/* Get the N'th device from the known device list */
+const gx_device *
+gs_getdevice(int index)
+{
+    const gx_device *const *list;
+    int count = gs_lib_device_list(&list, NULL);
+
+    if (index < 0 || index >= count)
+	return 0;		/* index out of range */
+    return list[index];
+}
+
+/* Fill in the GC structure descriptor for a device. */
+/* This is only called during initialization. */
+void
+gx_device_make_struct_type(gs_memory_struct_type_t *st,
+			   const gx_device *dev)
+{
+    const gx_device_procs *procs = dev->static_procs;
+    bool forward = false;
+
+    /*
+     * Try to figure out whether this is a forwarding device.  All
+     * printer devices, and no other devices, have a null fill_rectangle
+     * procedure; for other devices, we look for a likely forwarding
+     * procedure in the vector.  The algorithm isn't foolproof, but it's
+     * the best we can come up with.
+     */
+    if (procs == 0)
+	procs = &dev->procs;
+    if (procs->fill_rectangle == 0 ||
+	procs->get_xfont_procs == gx_forward_get_xfont_procs
+	)
+	forward = true;
+    if (forward)
+	*st = st_device_forward;
+    else
+	*st = st_device;
+    st->ssize = dev->params_size;
+}
+
+/* Clone an existing device. */
+int
+gs_copydevice(gx_device ** pnew_dev, const gx_device * dev, gs_memory_t * mem)
+{
+    gx_device *new_dev;
+    const gs_memory_struct_type_t *std = dev->stype;
+
+    /*
+     * Because command list devices have complicated internal pointer
+     * structures, we allocate all device instances as immovable.
+     */
+    if (std == 0) {
+	/*
+	 * This is the statically allocated prototype.  Find its
+	 * structure descriptor.
+	 */
+	const gx_device *const *list;
+	gs_memory_struct_type_t *st;
+	int count = gs_lib_device_list(&list, &st);
+	int i;
+
+	for (i = 0; list[i] != dev; ++i)
+	    if (i == count) {
+		/*
+		 * We can't find a structure descriptor for this device.
+		 * Allocate it as bytes and hope for the best.
+		 */
+		std = &st_device_unknown;
+		new_dev =
+		    gs_alloc_struct_array_immovable(mem, dev->params_size,
+						    gx_device, std,
+						  "gs_copydevice(unknown)");
+		goto out;
+	    }
+	std = st + i;
+    }
+    new_dev = gs_alloc_struct_immovable(mem, gx_device, std,
+					"gs_copydevice");
+out:
+    if (new_dev == 0)
+	return_error(gs_error_VMerror);
+    gx_device_init(new_dev, dev, mem, false);
+    new_dev->stype = std;
+    new_dev->is_open = false;
+    *pnew_dev = new_dev;
+    return 0;
+}
+
+/* Set the device in the graphics state */
+int
+gs_setdevice(gs_state * pgs, gx_device * dev)
+{
+    int code = gs_setdevice_no_erase(pgs, dev);
+
+    if (code == 1)
+	code = gs_erasepage(pgs);
+    return code;
+}
+int
+gs_setdevice_no_erase(gs_state * pgs, gx_device * dev)
+{
+    bool was_open = dev->is_open;
+    int code;
+
+    /* Initialize the device */
+    if (!was_open) {
+	gx_device_fill_in_procs(dev);
+	if (gs_device_is_memory(dev)) {
+	    /* Set the target to the current device. */
+	    gx_device *odev = gs_currentdevice_inline(pgs);
+
+	    while (odev != 0 && gs_device_is_memory(odev))
+		odev = ((gx_device_memory *)odev)->target;
+	    rc_assign(((gx_device_memory *)dev)->target, odev,
+		      "set memory device(target)");
+	}
+	code = (*dev_proc(dev, open_device)) (dev);
+	if (code < 0)
+	    return_error(code);
+	dev->is_open = true;
+    }
+    gs_setdevice_no_init(pgs, dev);
+    pgs->ctm_default_set = false;
+    if ((code = gs_initmatrix(pgs)) < 0 ||
+	(code = gs_initclip(pgs)) < 0
+	)
+	return code;
+    /* If we were in a charpath or a setcachedevice, */
+    /* we aren't any longer. */
+    pgs->in_cachedevice = 0;
+    pgs->in_charpath = (gs_char_path_mode) 0;
+    return (was_open ? 0 : 1);
+}
+int
+gs_setdevice_no_init(gs_state * pgs, gx_device * dev)
+{
+    /*
+     * Just set the device, possibly changing color space but no other
+     * device parameters.
+     */
+    rc_assign(pgs->device, dev, "gs_setdevice_no_init");
+    gx_set_cmap_procs((gs_imager_state *) pgs, dev);
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* Initialize a just-allocated device. */
+void
+gx_device_init(gx_device * dev, const gx_device * proto, gs_memory_t * mem,
+	       bool internal)
+{
+    memcpy(dev, proto, proto->params_size);
+    dev->memory = mem;
+    rc_init(dev, mem, (internal ? 0 : 1));
+}
+
+/* Make a null device. */
+void
+gs_make_null_device(gx_device_null * dev, gs_memory_t * mem)
+{
+    gx_device_init((gx_device *) dev, (const gx_device *)&gs_null_device,
+		   mem, true);
+}
+
+/* Select a null device. */
+int
+gs_nulldevice(gs_state * pgs)
+{
+    if (pgs->device == 0 || !gx_device_is_null(pgs->device)) {
+	gx_device *ndev;
+	int code = gs_copydevice(&ndev, (gx_device *) & gs_null_device,
+				 pgs->memory);
+
+	if (code < 0)
+	    return code;
+	/*
+	 * Internal devices have a reference count of 0, not 1,
+	 * aside from references from graphics states.
+	 */
+	rc_init(ndev, pgs->memory, 0);
+	return gs_setdevice_no_erase(pgs, ndev);
+    }
+    return 0;
+}
+
+/* Close a device.  The client is responsible for ensuring that */
+/* this device is not current in any graphics state. */
+int
+gs_closedevice(gx_device * dev)
+{
+    int code = 0;
+
+    if (dev->is_open) {
+	code = (*dev_proc(dev, close_device)) (dev);
+	if (code < 0)
+	    return_error(code);
+	dev->is_open = false;
+    }
+    return code;
+}
+
+/*
+ * Just set the device without any reinitializing.
+ * (For internal use only.)
+ */
+void
+gx_set_device_only(gs_state * pgs, gx_device * dev)
+{
+    rc_assign(pgs->device, dev, "gx_set_device_only");
+}
+
+/* Compute the size of one scan line for a device, */
+/* with or without padding to a word boundary. */
+uint
+gx_device_raster(const gx_device * dev, bool pad)
+{
+    ulong bits = (ulong) dev->width * dev->color_info.depth;
+
+    return (pad ? bitmap_raster(bits) : (uint) ((bits + 7) >> 3));
+}
+
+/* Adjust the resolution for devices that only have a fixed set of */
+/* geometries, so that the apparent size in inches remains constant. */
+/* If fit=1, the resolution is adjusted so that the entire image fits; */
+/* if fit=0, one dimension fits, but the other one is clipped. */
+int
+gx_device_adjust_resolution(gx_device * dev,
+			    int actual_width, int actual_height, int fit)
+{
+    double width_ratio = (double)actual_width / dev->width;
+    double height_ratio = (double)actual_height / dev->height;
+    double ratio =
+    (fit ? min(width_ratio, height_ratio) :
+     max(width_ratio, height_ratio));
+
+    dev->x_pixels_per_inch *= ratio;
+    dev->y_pixels_per_inch *= ratio;
+    gx_device_set_width_height(dev, actual_width, actual_height);
+    return 0;
+}
+
+/* Set the HWMargins to values defined in inches. */
+/* If move_origin is true, also reset the Margins. */
+/* Note that this assumes a printer-type device (Y axis inverted). */
+void
+gx_device_set_margins(gx_device * dev, const float *margins /*[4] */ ,
+		      bool move_origin)
+{
+    int i;
+
+    for (i = 0; i < 4; ++i)
+	dev->HWMargins[i] = margins[i] * 72.0;
+    if (move_origin) {
+	dev->Margins[0] = -margins[0] * dev->MarginsHWResolution[0];
+	dev->Margins[1] = -margins[3] * dev->MarginsHWResolution[1];
+    }
+
+    dev->width = (dev->PageSize[0] - dev->HWMargins[0] - dev->HWMargins[2]) *
+	         dev->x_pixels_per_inch / 72.0 + 0.5;
+    dev->height = (dev->PageSize[1] - dev->HWMargins[1] - dev->HWMargins[3]) *
+	          dev->y_pixels_per_inch / 72.0 + 0.5;
+}
+
+/* Set the width and height, updating PageSize to remain consistent. */
+void
+gx_device_set_width_height(gx_device * dev, int width, int height)
+{
+    dev->width = width - dev->x_pixels_per_inch *
+                 (dev->HWMargins[0] + dev->HWMargins[2]) / 72.0;
+    dev->height = height - dev->y_pixels_per_inch *
+	          (dev->HWMargins[1] + dev->HWMargins[3]) / 72.0;
+    dev->PageSize[0] = width * 72.0 / dev->x_pixels_per_inch;
+    dev->PageSize[1] = height * 72.0 / dev->y_pixels_per_inch;
+}
+
+/* Set the resolution, updating width and height to remain consistent. */
+void
+gx_device_set_resolution(gx_device * dev, floatp x_dpi, floatp y_dpi)
+{
+    dev->x_pixels_per_inch = x_dpi;
+    dev->y_pixels_per_inch = y_dpi;
+
+    dev->width = (dev->PageSize[0] - dev->HWMargins[0] - dev->HWMargins[2]) *
+	         dev->x_pixels_per_inch / 72.0 + 0.5;
+    dev->height = (dev->PageSize[1] - dev->HWMargins[1] - dev->HWMargins[3]) *
+	          dev->y_pixels_per_inch / 72.0 + 0.5;
+}
+
+/* Set the PageSize, updating width and height to remain consistent. */
+void
+gx_device_set_media_size(gx_device * dev, floatp media_width, floatp media_height)
+{
+    dev->PageSize[0] = media_width;
+    dev->PageSize[1] = media_height;
+
+    dev->width = (dev->PageSize[0] - dev->HWMargins[0] - dev->HWMargins[2]) *
+	         dev->x_pixels_per_inch / 72.0 + 0.5;
+    dev->height = (dev->PageSize[1] - dev->HWMargins[1] - dev->HWMargins[3]) *
+	          dev->y_pixels_per_inch / 72.0 + 0.5;
+}
+
+/*
+ * Copy device parameters back from a target.  This copies all standard
+ * parameters related to page size and resolution, plus color_info.
+ */
+void
+gx_device_copy_params(gx_device *to, const gx_device *from)
+{
+#define COPY_PARAM(p) to->p = from->p
+#define COPY_ARRAY_PARAM(p) memcpy(to->p, from->p, sizeof(to->p))
+	COPY_PARAM(width);
+	COPY_PARAM(height);
+	COPY_ARRAY_PARAM(PageSize);
+	COPY_ARRAY_PARAM(ImagingBBox);
+	COPY_PARAM(ImagingBBox_set);
+	COPY_ARRAY_PARAM(HWResolution);
+	COPY_ARRAY_PARAM(MarginsHWResolution);
+	COPY_ARRAY_PARAM(Margins);
+	COPY_ARRAY_PARAM(HWMargins);
+	COPY_PARAM(color_info);
+#undef COPY_PARAM
+#undef COPY_ARRAY_PARAM
+}
+
+/* Open the output file for a device. */
+int
+gx_device_open_output_file(const gx_device * dev, const char *fname,
+			   bool binary, bool positionable, FILE ** pfile)
+{
+    char pfname[gp_file_name_sizeof];
+    char pfmt[10];
+    const char *fsrc = fname;
+    char *fdest = pfname;
+    long count1 = dev->PageCount + 1;
+
+    if (!strcmp(fname, "-")) {
+	*pfile = stdout;
+	/* Force stdout to binary. */
+	return gp_setmode_binary(*pfile, true);
+    }
+/****** SHOULD RETURN rangecheck IF FILE NAME TOO LONG ******/
+    for (; *fsrc; ++fsrc) {
+	if (*fsrc != '%') {
+	    *fdest++ = *fsrc;
+	    continue;
+	}
+	if (fsrc[1] == '%') {
+	    *fdest++ = '%';
+	    ++fsrc;
+	    continue;
+	} {
+	    char *ffmt = pfmt;
+	    bool use_long;
+
+/****** SHOULD CHECK FOR FORMAT TOO LONG ******/
+	    while (!isalpha(*fsrc))
+		*ffmt++ = *fsrc++;
+	    if ((use_long = (*fsrc == 'l')))
+		*ffmt++ = *fsrc++;
+	    *ffmt = *fsrc;
+	    ffmt[1] = 0;
+/****** SHOULD CHECK FOR LEGAL FORMATS ******/
+	    sprintf(fdest, pfmt, (use_long ? count1 : (int)count1));
+	    fdest += strlen(fdest);
+	}
+    }
+    *fdest = 0;
+    if (positionable && pfname[0] != '|') {
+	char fmode[4];
+
+	strcpy(fmode, gp_fmode_wb);
+	strcat(fmode, "+");
+	*pfile = gp_fopen(pfname, fmode);
+	if (*pfile)
+	    return 0;
+    }
+    *pfile = gp_open_printer(pfname, binary);
+    if (*pfile)
+	return 0;
+    return_error(gs_error_invalidfileaccess);
+}
diff --git a/pstoraster/gsdevice.h b/pstoraster/gsdevice.h
new file mode 100644
index 000000000..6c8fd830d
--- /dev/null
+++ b/pstoraster/gsdevice.h
@@ -0,0 +1,103 @@
+/* Copyright (C) 1994, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Device and page control API */
+
+#ifndef gsdevice_INCLUDED
+#  define gsdevice_INCLUDED
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+#endif
+
+#ifndef gx_device_memory_DEFINED
+#  define gx_device_memory_DEFINED
+typedef struct gx_device_memory_s gx_device_memory;
+#endif
+
+#ifndef gs_matrix_DEFINED
+#  define gs_matrix_DEFINED
+typedef struct gs_matrix_s gs_matrix;
+#endif
+
+#ifndef gs_param_list_DEFINED
+#  define gs_param_list_DEFINED
+typedef struct gs_param_list_s gs_param_list;
+#endif
+
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+#endif
+
+int gs_flushpage(P1(gs_state *));
+int gs_copypage(P1(gs_state *));
+int gs_output_page(P3(gs_state *, int, int));
+int gs_copyscanlines(P6(gx_device *, int, byte *, uint, int *, uint *));
+const gx_device *gs_getdevice(P1(int));
+int gs_copydevice(P3(gx_device **, const gx_device *, gs_memory_t *));
+
+#define gs_makeimagedevice(pdev, pmat, w, h, colors, colors_size, mem)\
+  gs_makewordimagedevice(pdev, pmat, w, h, colors, colors_size, false, true, mem)
+int gs_makewordimagedevice(P9(gx_device ** pnew_dev, const gs_matrix * pmat,
+			      uint width, uint height,
+			      const byte * colors, int num_colors,
+			      bool word_oriented, bool page_device,
+			      gs_memory_t * mem));
+
+#define gs_initialize_imagedevice(mdev, pmat, w, h, colors, colors_size, mem)\
+  gs_initialize_wordimagedevice(mdev, pmat, w, h, colors, color_size, false, true, mem)
+int gs_initialize_wordimagedevice(P9(gx_device_memory * new_dev,
+				     const gs_matrix * pmat,
+				     uint width, uint height,
+				     const byte * colors, int colors_size,
+				     bool word_oriented, bool page_device,
+				     gs_memory_t * mem));
+
+int gs_nulldevice(P1(gs_state *));
+int gs_setdevice(P2(gs_state *, gx_device *));
+int gs_setdevice_no_erase(P2(gs_state *, gx_device *));		/* returns 1 */
+						/* if erasepage required */
+int gs_setdevice_no_init(P2(gs_state *, gx_device *));
+gx_device *gs_currentdevice(P1(const gs_state *));
+
+/* gzstate.h redefines the following: */
+#ifndef gs_currentdevice_inline
+#  define gs_currentdevice_inline(pgs) gs_currentdevice(pgs)
+#endif
+const char *gs_devicename(P1(const gx_device *));
+void gs_deviceinitialmatrix(P2(gx_device *, gs_matrix *));
+
+int gs_get_device_or_hardware_params(P3(gx_device *, gs_param_list *, bool));
+#define gs_getdeviceparams(dev, plist)\
+  gs_get_device_or_hardware_params(dev, plist, false)
+#define gs_gethardwareparams(dev, plist)\
+  gs_get_device_or_hardware_params(dev, plist, true)
+
+int gs_putdeviceparams(P2(gx_device *, gs_param_list *));
+int gs_closedevice(P1(gx_device *));
+
+#endif /* gsdevice_INCLUDED */
diff --git a/pstoraster/gsdevmem.c b/pstoraster/gsdevmem.c
new file mode 100644
index 000000000..0be8b55a4
--- /dev/null
+++ b/pstoraster/gsdevmem.c
@@ -0,0 +1,239 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Memory device creation for Ghostscript library */
+#include "math_.h"		/* for fabs */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxarith.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+
+/* Make a memory (image) device. */
+/* If colors_size = -16, -24, or -32, this is a true-color device; */
+/* otherwise, colors_size is the size of the palette in bytes */
+/* (2^N for gray scale, 3*2^N for RGB color). */
+/* We separate device allocation and initialization at customer request. */
+int
+gs_initialize_wordimagedevice(gx_device_memory * new_dev, const gs_matrix * pmat,
+	      uint width, uint height, const byte * colors, int colors_size,
+		    bool word_oriented, bool page_device, gs_memory_t * mem)
+{
+    const gx_device_memory *proto_dev;
+    int palette_count = colors_size;
+    int num_components = 1;
+    int pcount;
+    int bits_per_pixel;
+    float x_pixels_per_unit, y_pixels_per_unit;
+    byte palette[256 * 3];
+    byte *dev_palette;
+    bool has_color;
+
+    switch (colors_size) {
+	case 3 * 2:
+	    palette_count = 2;
+	    num_components = 3;
+	case 2:
+	    bits_per_pixel = 1;
+	    break;
+	case 3 * 4:
+	    palette_count = 4;
+	    num_components = 3;
+	case 4:
+	    bits_per_pixel = 2;
+	    break;
+	case 3 * 16:
+	    palette_count = 16;
+	    num_components = 3;
+	case 16:
+	    bits_per_pixel = 4;
+	    break;
+	case 3 * 256:
+	    palette_count = 256;
+	    num_components = 3;
+	case 256:
+	    bits_per_pixel = 8;
+	    break;
+	case -16:
+	    bits_per_pixel = 16;
+	    palette_count = 0;
+	    break;
+	case -24:
+	    bits_per_pixel = 24;
+	    palette_count = 0;
+	    break;
+	case -32:
+	    bits_per_pixel = 32;
+	    palette_count = 0;
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    proto_dev = (word_oriented ?
+		 gdev_mem_word_device_for_bits(bits_per_pixel) :
+		 gdev_mem_device_for_bits(bits_per_pixel));
+    if (proto_dev == 0)		/* no suitable device */
+	return_error(gs_error_rangecheck);
+    pcount = palette_count * 3;
+    /* Check to make sure the palette contains white and black, */
+    /* and, if it has any colors, the six primaries. */
+    if (bits_per_pixel <= 8) {
+	const byte *p;
+	byte *q;
+	int primary_mask = 0;
+	int i;
+
+	has_color = false;
+	for (i = 0, p = colors, q = palette;
+	     i < palette_count; i++, q += 3
+	    ) {
+	    int mask = 1;
+
+	    switch (num_components) {
+		case 1:	/* gray */
+		    q[0] = q[1] = q[2] = *p++;
+		    break;
+		default /* case 3 */ :		/* RGB */
+		    q[0] = p[0], q[1] = p[1], q[2] = p[2];
+		    p += 3;
+	    }
+#define shift_mask(b,n)\
+  switch ( b ) { case 0xff: mask <<= n; case 0: break; default: mask = 0; }
+	    shift_mask(q[0], 4);
+	    shift_mask(q[1], 2);
+	    shift_mask(q[2], 1);
+#undef shift_mask
+	    primary_mask |= mask;
+	    if (q[0] != q[1] || q[0] != q[2])
+		has_color = true;
+	}
+	switch (primary_mask) {
+	    case 129:		/* just black and white */
+		if (has_color)	/* color but no primaries */
+		    return_error(gs_error_rangecheck);
+	    case 255:		/* full color */
+		break;
+	    default:
+		return_error(gs_error_rangecheck);
+	}
+    } else
+	has_color = true;
+    /*
+     * The initial transformation matrix must map 1 user unit to
+     * 1/72".  Let W and H be the width and height in pixels, and
+     * assume the initial matrix is of the form [A 0 0 B X Y].
+     * Then the size of the image in user units is (W/|A|,H/|B|),
+     * hence the size in inches is ((W/|A|)/72,(H/|B|)/72), so
+     * the number of pixels per inch is
+     * (W/((W/|A|)/72),H/((H/|B|)/72)), or (|A|*72,|B|*72).
+     * Similarly, if the initial matrix is [0 A B 0 X Y] for a 90
+     * or 270 degree rotation, the size of the image in user
+     * units is (W/|B|,H/|A|), so the pixels per inch are
+     * (|B|*72,|A|*72).  We forbid non-orthogonal transformation
+     * matrices.
+     */
+    if (is_fzero2(pmat->xy, pmat->yx))
+	x_pixels_per_unit = pmat->xx, y_pixels_per_unit = pmat->yy;
+    else if (is_fzero2(pmat->xx, pmat->yy))
+	x_pixels_per_unit = pmat->yx, y_pixels_per_unit = pmat->xy;
+    else
+	return_error(gs_error_undefinedresult);
+    /* All checks done, allocate the device. */
+    if (bits_per_pixel != 1) {
+	dev_palette = gs_alloc_string(mem, pcount,
+				      "gs_makeimagedevice(palette)");
+	if (dev_palette == 0)
+	    return_error(gs_error_VMerror);
+    }
+    else
+      dev_palette = 0;
+
+    gs_make_mem_device(new_dev, proto_dev, mem,
+		       (page_device ? 1 : -1), 0);
+    if (!has_color) {
+	new_dev->color_info.num_components = 1;
+	new_dev->color_info.max_color = 0;
+	new_dev->color_info.dither_colors = 0;
+    }
+    if (bits_per_pixel == 1) {	/* Determine the polarity from the palette. */
+	/* This is somewhat bogus, but does the right thing */
+	/* in the only cases we care about. */
+	gdev_mem_mono_set_inverted(new_dev,
+			       (palette[0] | palette[1] | palette[2]) != 0);
+    } else {
+	new_dev->palette.size = pcount;
+	new_dev->palette.data = dev_palette;
+	memcpy(dev_palette, palette, pcount);
+    }
+    new_dev->initial_matrix = *pmat;
+    new_dev->MarginsHWResolution[0] = new_dev->HWResolution[0] =
+	fabs(x_pixels_per_unit) * 72;
+    new_dev->MarginsHWResolution[1] = new_dev->HWResolution[1] =
+	fabs(y_pixels_per_unit) * 72;
+    gx_device_set_width_height((gx_device *) new_dev, width, height);
+    /* Set the ImagingBBox so we get a correct clipping region. */
+    {
+	gs_rect bbox;
+
+	bbox.p.x = 0;
+	bbox.p.y = 0;
+	bbox.q.x = width;
+	bbox.q.y = height;
+	gs_bbox_transform_inverse(&bbox, pmat, &bbox);
+	new_dev->ImagingBBox[0] = bbox.p.x;
+	new_dev->ImagingBBox[1] = bbox.p.y;
+	new_dev->ImagingBBox[2] = bbox.q.x;
+	new_dev->ImagingBBox[3] = bbox.q.y;
+	new_dev->ImagingBBox_set = true;
+    }
+    /* The bitmap will be allocated when the device is opened. */
+    new_dev->is_open = false;
+    new_dev->bitmap_memory = mem;
+    return 0;
+}
+
+int
+gs_makewordimagedevice(gx_device ** pnew_dev, const gs_matrix * pmat,
+	       uint width, uint height, const byte * colors, int num_colors,
+		    bool word_oriented, bool page_device, gs_memory_t * mem)
+{
+    int code;
+    gx_device_memory *pnew =
+    gs_alloc_struct(mem, gx_device_memory, &st_device_memory,
+		    "gs_makeimagedevice(device)");
+
+    if (pnew == 0)
+	return_error(gs_error_VMerror);
+    code = gs_initialize_wordimagedevice(pnew, pmat, width, height,
+					 colors, num_colors, word_oriented,
+					 page_device, mem);
+    if (code < 0) {
+	gs_free_object(mem, pnew, "gs_makeimagedevice(device)");
+	return code;
+    }
+    *pnew_dev = (gx_device *) pnew;
+    return 0;
+}
diff --git a/pstoraster/gsdll.h b/pstoraster/gsdll.h
new file mode 100644
index 000000000..709aeb836
--- /dev/null
+++ b/pstoraster/gsdll.h
@@ -0,0 +1,145 @@
+/* Copyright (C) 1994-1996, Russell Lang.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+
+/*$Id$ */
+
+#ifndef gsdll_INCLUDED
+#  define gsdll_INCLUDED
+
+#ifndef _GSDLL_H
+#define _GSDLL_H
+
+#ifndef GSDLLEXPORT
+#define GSDLLEXPORT
+#endif
+
+#ifdef __WINDOWS__
+#define _Windows
+#endif
+
+/* type of exported functions */
+#ifdef _Windows
+#ifdef _WATCOM_
+#define GSDLLAPI GSDLLEXPORT
+#else
+#define GSDLLAPI CALLBACK GSDLLEXPORT
+#endif
+#else
+#ifdef __IBMC__
+#define GSDLLAPI _System
+#else
+#define GSDLLAPI
+#endif
+#endif
+
+#ifdef _Windows
+#define GSDLLCALLLINK
+#define GSFAR FAR
+#else
+#ifdef __IBMC__
+#define GSDLLCALLLINK _System
+#else
+#define GSDLLCALLLINK
+#endif
+#define GSFAR
+#endif
+
+/* global pointer to callback */
+typedef int (GSFAR * GSDLLCALLLINK GSDLL_CALLBACK) (int, char GSFAR *, unsigned long);
+extern GSDLL_CALLBACK pgsdll_callback;
+
+/* message values for callback */
+#define GSDLL_STDIN 1		/* get count characters to str from stdin */
+			/* return number of characters read */
+#define GSDLL_STDOUT 2		/* put count characters from str to stdout */
+			/* return number of characters written */
+#define GSDLL_DEVICE 3		/* device = str has been opened if count=1 */
+			/*                    or closed if count=0 */
+#define GSDLL_SYNC 4		/* sync_output for device str */
+#define GSDLL_PAGE 5		/* output_page for device str */
+#define GSDLL_SIZE 6		/* resize for device str */
+			/* LOWORD(count) is new xsize */
+			/* HIWORD(count) is new ysize */
+#define GSDLL_POLL 7		/* Called from gp_check_interrupt */
+			/* Can be used by caller to poll the message queue */
+			/* Normally returns 0 */
+			/* To abort gsdll_execute_cont(), return a */
+			/* non zero error code until gsdll_execute_cont() */
+			/* returns */
+
+/* return values from gsdll_init() */
+#define GSDLL_INIT_IN_USE  100	/* DLL is in use */
+#define GSDLL_INIT_QUIT    101	/* quit or EOF during init */
+				  /* This is not an error. */
+				  /* gsdll_exit() must not be called */
+
+
+/* DLL exported  functions */
+/* for load time dynamic linking */
+int GSDLLAPI gsdll_revision(char GSFAR * GSFAR * product, char GSFAR * GSFAR * copyright, long GSFAR * gs_revision, long GSFAR * gs_revisiondate);
+int GSDLLAPI gsdll_init(GSDLL_CALLBACK callback, HWND hwnd, int argc, char GSFAR * GSFAR * argv);
+int GSDLLAPI gsdll_execute_begin(void);
+int GSDLLAPI gsdll_execute_cont(const char GSFAR * str, int len);
+int GSDLLAPI gsdll_execute_end(void);
+int GSDLLAPI gsdll_exit(void);
+int GSDLLAPI gsdll_lock_device(unsigned char *device, int flag);
+
+#ifdef _Windows
+HGLOBAL GSDLLAPI gsdll_copy_dib(unsigned char GSFAR * device);
+HPALETTE GSDLLAPI gsdll_copy_palette(unsigned char GSFAR * device);
+void GSDLLAPI gsdll_draw(unsigned char GSFAR * device, HDC hdc, LPRECT dest, LPRECT src);
+int GSDLLAPI gsdll_get_bitmap_row(unsigned char *device, LPBITMAPINFOHEADER pbmih,
+		     LPRGBQUAD prgbquad, LPBYTE * ppbyte, unsigned int row);
+
+#else
+unsigned long gsdll_get_bitmap(unsigned char *device, unsigned char **pbitmap);
+
+#endif
+
+/* Function pointer typedefs */
+/* for run time dynamic linking */
+typedef int (GSDLLAPI * PFN_gsdll_revision) (char GSFAR * GSFAR *, char GSFAR * GSFAR *, long GSFAR *, long GSFAR *);
+typedef int (GSDLLAPI * PFN_gsdll_init) (GSDLL_CALLBACK, HWND, int argc, char GSFAR * GSFAR * argv);
+typedef int (GSDLLAPI * PFN_gsdll_execute_begin) (void);
+typedef int (GSDLLAPI * PFN_gsdll_execute_cont) (const char GSFAR * str, int len);
+typedef int (GSDLLAPI * PFN_gsdll_execute_end) (void);
+typedef int (GSDLLAPI * PFN_gsdll_exit) (void);
+typedef int (GSDLLAPI * PFN_gsdll_lock_device) (unsigned char GSFAR *, int);
+
+#ifdef _Windows
+typedef HGLOBAL(GSDLLAPI * PFN_gsdll_copy_dib) (unsigned char GSFAR *);
+typedef HPALETTE(GSDLLAPI * PFN_gsdll_copy_palette) (unsigned char GSFAR *);
+typedef void (GSDLLAPI * PFN_gsdll_draw) (unsigned char GSFAR *, HDC, LPRECT, LPRECT);
+typedef int (GSDLLAPI * PFN_gsdll_get_bitmap_row) (unsigned char *device, LPBITMAPINFOHEADER pbmih,
+		     LPRGBQUAD prgbquad, LPBYTE * ppbyte, unsigned int row);
+
+#else
+typedef long (*GSDLLAPI PFN_gsdll_get_bitmap) (unsigned char *, unsigned char **);
+
+#endif
+
+#endif
+
+#endif /* gsdll_INCLUDED */
diff --git a/pstoraster/gsdparam.c b/pstoraster/gsdparam.c
new file mode 100644
index 000000000..9b533bc2e
--- /dev/null
+++ b/pstoraster/gsdparam.c
@@ -0,0 +1,782 @@
+/*
+  Copyright 1993-1999 by Easy Software Products.
+  Copyright (C) 1993, 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Default device parameters for Ghostscript library */
+#include "memory_.h"		/* for memcpy */
+#include "string_.h"		/* for strlen */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsparam.h"
+#include "gxdevice.h"
+#include "gxfixed.h"
+
+/* ================ Getting parameters ================ */
+
+/* Forward references */
+private bool param_HWColorMap(P2(gx_device *, byte *));
+
+/* Get the device parameters. */
+int
+gs_get_device_or_hardware_params(gx_device * dev, gs_param_list * plist,
+				 bool is_hardware)
+{
+    gx_device_set_procs(dev);
+    fill_dev_proc(dev, get_params, gx_default_get_params);
+    fill_dev_proc(dev, get_page_device, gx_default_get_page_device);
+    fill_dev_proc(dev, get_alpha_bits, gx_default_get_alpha_bits);
+    return (is_hardware ?
+	    (*dev_proc(dev, get_hardware_params)) (dev, plist) :
+	    (*dev_proc(dev, get_params)) (dev, plist));
+}
+
+/* Standard ProcessColorModel values. */
+static const char *const pcmsa[] =
+{
+    "", "DeviceGray", "", "DeviceRGB", "DeviceCMYK"
+};
+
+/* Get standard parameters. */
+int
+gx_default_get_params(gx_device * dev, gs_param_list * plist)
+{
+    int code;
+
+    /* Standard page device parameters: */
+
+    gs_param_string dns, pcms;
+    gs_param_float_array msa, ibba, hwra, ma;
+
+#define set_param_array(a, d, s)\
+  (a.data = d, a.size = s, a.persistent = false);
+
+    /* Non-standard parameters: */
+
+    int colors = dev->color_info.num_components;
+    int depth = dev->color_info.depth;
+    int GrayValues = dev->color_info.max_gray + 1;
+    int HWSize[2];
+    gs_param_int_array hwsa;
+    gs_param_float_array hwma, mhwra;
+
+    /* Fill in page device parameters. */
+
+    param_string_from_string(dns, dev->dname);
+    {
+	const char *cms = pcmsa[colors];
+
+	/* We might have an uninitialized device with */
+	/* color_info.num_components = 0.... */
+	if (*cms != 0)
+	    param_string_from_string(pcms, cms);
+	else
+	    pcms.data = 0;
+    }
+    set_param_array(hwra, dev->HWResolution, 2);
+    set_param_array(msa, dev->PageSize, 2);
+    set_param_array(ibba, dev->ImagingBBox, 4);
+    set_param_array(ma, dev->Margins, 2);
+
+    /* Fill in non-standard parameters. */
+
+    HWSize[0] = dev->width;
+    HWSize[1] = dev->height;
+    set_param_array(hwsa, HWSize, 2);
+    set_param_array(hwma, dev->HWMargins, 4);
+    set_param_array(mhwra, dev->MarginsHWResolution, 2);
+
+    /* Transmit the values. */
+
+    if (!dev->NumCopies_set)
+      dev->NumCopies = 1;
+
+    /* Standard parameters */
+    if (
+	   (code = param_write_name(plist, "OutputDevice", &dns)) < 0 ||
+	   (code = param_write_float_array(plist, "PageSize", &msa)) < 0 ||
+	   (code = (pcms.data == 0 ? 0 :
+		param_write_name(plist, "ProcessColorModel", &pcms))) < 0 ||
+       (code = param_write_float_array(plist, "HWResolution", &hwra)) < 0 ||
+	   (code = (dev->ImagingBBox_set ?
+		    param_write_float_array(plist, "ImagingBBox", &ibba) :
+		    param_write_null(plist, "ImagingBBox"))) < 0 ||
+	   (code = param_write_float_array(plist, "Margins", &ma)) < 0 ||
+	   (code = (dev->NumCopies_set < 0 ||
+		    (*dev_proc(dev, get_page_device))(dev) == 0 ? 0:
+		    param_write_int(plist, "NumCopies", &dev->NumCopies))) < 0 ||
+
+    /* Non-standard parameters */
+
+	   (code = param_write_int_array(plist, "HWSize", &hwsa)) < 0 ||
+	 (code = param_write_float_array(plist, ".HWMargins", &hwma)) < 0 ||
+	   (code = param_write_float_array(plist, ".MarginsHWResolution", &mhwra)) < 0 ||
+	   (code = param_write_string(plist, "Name", &dns)) < 0 ||
+	   (code = param_write_int(plist, "Colors", &colors)) < 0 ||
+	   (code = param_write_int(plist, "BitsPerPixel", &depth)) < 0 ||
+	   (code = param_write_int(plist, "GrayValues", &GrayValues)) < 0 ||
+       (code = param_write_long(plist, "PageCount", &dev->PageCount)) < 0 ||
+	   (code = param_write_bool(plist, ".IgnoreNumCopies", &dev->IgnoreNumCopies)) < 0
+	)
+	return code;
+
+    /* Fill in color information. */
+
+    if (colors > 1) {
+	int RGBValues = dev->color_info.max_color + 1;
+	long ColorValues = 1L << depth;
+
+	if ((code = param_write_int(plist, "RedValues", &RGBValues)) < 0 ||
+	    (code = param_write_int(plist, "GreenValues", &RGBValues)) < 0 ||
+	    (code = param_write_int(plist, "BlueValues", &RGBValues)) < 0 ||
+	    (code = param_write_long(plist, "ColorValues", &ColorValues)) < 0
+	    )
+	    return code;
+    }
+    if (param_requested(plist, "HWColorMap")) {
+	byte palette[3 << 8];
+
+	if (param_HWColorMap(dev, palette)) {
+	    gs_param_string hwcms;
+
+	    hwcms.data = palette, hwcms.size = colors << depth,
+		hwcms.persistent = false;
+	    if ((code = param_write_string(plist, "HWColorMap", &hwcms)) < 0)
+		return code;
+	}
+    } {
+	int tab = (*dev_proc(dev, get_alpha_bits)) (dev, go_text);
+	int gab = (*dev_proc(dev, get_alpha_bits)) (dev, go_graphics);
+
+	if ((code = param_write_int(plist, "TextAlphaBits", &tab)) < 0 ||
+	    (code = param_write_int(plist, "GraphicsAlphaBits", &gab)) < 0
+	    )
+	    return code;
+    }
+
+    return 0;
+}
+
+/* Get the color map for a device.  Return true if there is one. */
+private bool
+param_HWColorMap(gx_device * dev, byte * palette /* 3 << 8 */ )
+{
+    int depth = dev->color_info.depth;
+    int colors = dev->color_info.num_components;
+
+    if (depth <= 8 && colors <= 3) {
+	byte *p = palette;
+	gx_color_value rgb[3];
+	gx_color_index i;
+
+	fill_dev_proc(dev, map_color_rgb, gx_default_map_color_rgb);
+	for (i = 0; (i >> depth) == 0; i++) {
+	    int j;
+
+	    if ((*dev_proc(dev, map_color_rgb)) (dev, i, rgb) < 0)
+		return false;
+	    for (j = 0; j < colors; j++)
+		*p++ = gx_color_value_to_byte(rgb[j]);
+	}
+	return true;
+    }
+    return false;
+}
+
+/* Get hardware-detected parameters. Default action is no hardware params. */
+int
+gx_default_get_hardware_params(gx_device * dev, gs_param_list * plist)
+{
+    return 0;
+}
+
+/* ---------------- Input and output media ---------------- */
+
+/* Finish defining input or output media. */
+private int
+finish_media(gs_param_list * mlist, gs_param_name key, const char *media_type)
+{
+    int code = 0;
+
+    if (media_type != 0) {
+	gs_param_string as;
+
+	param_string_from_string(as, media_type);
+	code = param_write_string(mlist, key, &as);
+    }
+    return code;
+}
+
+/* Define input media. */
+
+const gdev_input_media_t gdev_input_media_default =
+{
+    gdev_input_media_default_values
+};
+
+int 
+gdev_begin_input_media(gs_param_list * mlist, gs_param_dict * pdict,
+		       int count)
+{
+    pdict->size = count;
+    return param_begin_write_dict(mlist, "InputAttributes", pdict, true);
+}
+
+int
+gdev_write_input_media(int index, gs_param_dict * pdict,
+		       const gdev_input_media_t * pim)
+{
+    char key[25];
+    gs_param_dict mdict;
+    int code;
+    gs_param_string as;
+
+    sprintf(key, "%d", index);
+    mdict.size = 4;
+    code = param_begin_write_dict(pdict->list, key, &mdict, false);
+    if (code < 0)
+	return code;
+    if ((pim->PageSize[0] != 0 && pim->PageSize[1] != 0) ||
+	(pim->PageSize[2] != 0 && pim->PageSize[3] != 0)
+	) {
+	gs_param_float_array psa;
+
+	psa.data = pim->PageSize;
+	psa.size =
+	    (pim->PageSize[0] == pim->PageSize[2] &&
+	     pim->PageSize[1] == pim->PageSize[3] ? 2 : 4);
+	psa.persistent = false;
+	code = param_write_float_array(mdict.list, "PageSize",
+				       &psa);
+	if (code < 0)
+	    return code;
+    }
+    if (pim->MediaColor != 0) {
+	param_string_from_string(as, pim->MediaColor);
+	code = param_write_string(mdict.list, "MediaColor",
+				  &as);
+	if (code < 0)
+	    return code;
+    }
+    if (pim->MediaWeight != 0) {
+	/*
+	 * We do the following silly thing in order to avoid
+	 * having to work around the 'const' in the arg list.
+	 */
+	float weight = pim->MediaWeight;
+
+	code = param_write_float(mdict.list, "MediaWeight",
+				 &weight);
+	if (code < 0)
+	    return code;
+    }
+/*    code = finish_media(mdict.list, "MediaType", pim->MediaType);
+    if (code < 0)
+	return code;*/
+    return param_end_write_dict(pdict->list, key, &mdict);
+}
+
+int
+gdev_write_input_page_size(int index, gs_param_dict * pdict,
+			   floatp width_points, floatp height_points)
+{
+    gdev_input_media_t media;
+
+    media.PageSize[0] = media.PageSize[2] = width_points;
+    media.PageSize[1] = media.PageSize[3] = height_points;
+    media.MediaColor = 0;
+    media.MediaWeight = 0;
+    media.MediaType = 0;
+    return gdev_write_input_media(index, pdict, &media);
+}
+
+int 
+gdev_end_input_media(gs_param_list * mlist, gs_param_dict * pdict)
+{
+    return param_end_write_dict(mlist, "InputAttributes", pdict);
+}
+
+/* Define output media. */
+
+const gdev_output_media_t gdev_output_media_default =
+{
+    gdev_output_media_default_values
+};
+
+int 
+gdev_begin_output_media(gs_param_list * mlist, gs_param_dict * pdict,
+			int count)
+{
+    pdict->size = count;
+    return param_begin_write_dict(mlist, "OutputAttributes", pdict, true);
+}
+
+int
+gdev_write_output_media(int index, gs_param_dict * pdict,
+			const gdev_output_media_t * pom)
+{
+    char key[25];
+    gs_param_dict mdict;
+    int code;
+
+    sprintf(key, "%d", index);
+    mdict.size = 4;
+    code = param_begin_write_dict(pdict->list, key, &mdict, false);
+    if (code < 0)
+	return code;
+    code = finish_media(mdict.list, "OutputType", pom->OutputType);
+    if (code < 0)
+	return code;
+    return param_end_write_dict(pdict->list, key, &mdict);
+}
+
+int 
+gdev_end_output_media(gs_param_list * mlist, gs_param_dict * pdict)
+{
+    return param_end_write_dict(mlist, "OutputAttributes", pdict);
+}
+
+/* ================ Putting parameters ================ */
+
+/* Forward references */
+private int param_PageSize(P4(gs_param_list *, gs_param_name,
+			       const float *, gs_param_float_array *));
+
+#if 0				/****** not used ***** */
+private int param_check_bool(P4(gs_param_list *, gs_param_name, bool, bool));
+
+#endif /****** not used ***** */
+private int param_check_long(P4(gs_param_list *, gs_param_name, long, bool));
+
+#define param_check_int(plist, pname, ival, isdefined)\
+  param_check_long(plist, pname, (long)(ival), isdefined)
+private int param_check_bytes(P5(gs_param_list *, gs_param_name, const byte *, uint, bool));
+
+#define param_check_string(plist, pname, strg, isdefined)\
+  param_check_bytes(plist, pname, (const byte *)strg, strlen(strg), isdefined)
+
+/* Set the device parameters. */
+/* If the device was open and the put_params procedure closed it, */
+/* return 1; otherwise, return 0 or an error code as usual. */
+int
+gs_putdeviceparams(gx_device * dev, gs_param_list * plist)
+{
+    bool was_open = dev->is_open;
+    int code;
+
+    gx_device_set_procs(dev);
+    fill_dev_proc(dev, put_params, gx_default_put_params);
+    fill_dev_proc(dev, get_alpha_bits, gx_default_get_alpha_bits);
+    code = (*dev_proc(dev, put_params)) (dev, plist);
+    return (code < 0 ? code : was_open && !dev->is_open ? 1 : code);
+}
+
+/* Set standard parameters. */
+/* Note that setting the size or resolution closes the device. */
+/* Window devices that don't want this to happen must temporarily */
+/* set is_open to false before calling gx_default_put_params, */
+/* and then taking appropriate action afterwards. */
+int
+gx_default_put_params(gx_device * dev, gs_param_list * plist)
+{
+    int ecode = 0;
+    int code;
+    gs_param_name param_name;
+    gs_param_float_array hwra;
+    gs_param_int_array hwsa;
+    gs_param_float_array msa;
+    gs_param_float_array ma;
+    gs_param_float_array hwma;
+    gs_param_float_array mhwra;
+    int nci = dev->NumCopies;
+    int ncset = dev->NumCopies_set;
+
+    bool ignc = dev->IgnoreNumCopies;
+    gs_param_float_array ibba;
+    bool ibbnull = false;
+    int colors = dev->color_info.num_components;
+    int depth = dev->color_info.depth;
+    int GrayValues = dev->color_info.max_gray + 1;
+    int RGBValues = dev->color_info.max_color + 1;
+    long ColorValues = 1L << depth;
+    gs_param_string cms;
+
+#define BEGIN_ARRAY_PARAM(pread, pname, pa, psize, e)\
+  switch ( code = pread(plist, (param_name = pname), &(pa)) )\
+  {\
+  case 0:\
+	if ( (pa).size != psize )\
+	  ecode = gs_note_error(gs_error_rangecheck);\
+	else {
+/* The body of the processing code goes here. */
+/* If it succeeds, it should do a 'break'; */
+/* if it fails, it should set ecode and fall through. */
+#define END_ARRAY_PARAM(pa, e)\
+	}\
+	goto e;\
+  default:\
+	ecode = code;\
+e:	param_signal_error(plist, param_name, ecode);\
+  case 1:\
+	(pa).data = 0;		/* mark as not filled */\
+  }
+
+    /*
+     * The HWResolution, HWSize, and PageSize parameters interact in
+     * the following way:
+     *      1. Setting HWResolution recomputes HWSize from PageSize.
+     *      2. Setting HWSize recomputes PageSize from HWResolution.
+     *      3. Setting PageSize recomputes HWSize from HWResolution.
+     * If more than one parameter is being set, we apply these rules
+     * in the order 1, 2, 3.  This does the right thing in the most
+     * common case of setting more than one parameter, namely,
+     * setting both HWResolution and HWSize.
+     */
+
+    BEGIN_ARRAY_PARAM(param_read_float_array, "HWResolution", hwra, 2, hwre)
+	if (hwra.data[0] <= 0 || hwra.data[1] <= 0)
+	ecode = gs_note_error(gs_error_rangecheck);
+    else
+	break;
+    END_ARRAY_PARAM(hwra, hwre)
+	BEGIN_ARRAY_PARAM(param_read_int_array, "HWSize", hwsa, 2, hwsa)
+    /* We need a special check to handle the nullpage device, */
+    /* whose size is legitimately [0 0]. */
+	if ((hwsa.data[0] <= 0 && hwsa.data[0] != dev->width) ||
+	    (hwsa.data[1] <= 0 && hwsa.data[1] != dev->height)
+	)
+	ecode = gs_note_error(gs_error_rangecheck);
+#define max_coord (max_fixed / fixed_1)
+#if max_coord < max_int
+    else if (hwsa.data[0] > max_coord || hwsa.data[1] > max_coord)
+	ecode = gs_note_error(gs_error_limitcheck);
+#endif
+#undef max_coord
+    else
+	break;
+    END_ARRAY_PARAM(hwsa, hwse) {
+	const float *res = (hwra.data == 0 ? dev->HWResolution : hwra.data);
+
+	/* MRS - Dropped questionable use of .PageSize attribute */
+	code = param_PageSize(plist, "PageSize", res, &msa);
+	if (code < 0)
+	    ecode = code;
+    }
+
+    BEGIN_ARRAY_PARAM(param_read_float_array, "Margins", ma, 2, me)
+	break;
+    END_ARRAY_PARAM(ma, me)
+	BEGIN_ARRAY_PARAM(param_read_float_array, ".HWMargins", hwma, 4, hwme)
+	break;
+    END_ARRAY_PARAM(hwma, hwme)
+    /* MarginsHWResolution cannot be changed, only checked. */
+	BEGIN_ARRAY_PARAM(param_read_float_array, ".MarginsHWResolution", mhwra, 2, mhwre)
+	if (mhwra.data[0] != dev->MarginsHWResolution[0] ||
+	    mhwra.data[1] != dev->MarginsHWResolution[1]
+	)
+	ecode = gs_note_error(gs_error_rangecheck);
+    else
+	break;
+    END_ARRAY_PARAM(mhwra, mhwre)
+	switch (code = param_read_bool(plist, (param_name = ".IgnoreNumCopies"), &ignc)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    if (dev->NumCopies_set >= 0 &&
+	(*dev_proc(dev, get_page_device))(dev) != 0
+	) {
+	switch (code = param_read_int(plist, (param_name = "NumCopies"), &nci)) {
+	case 0:
+	    if (nci < 0)
+		ecode = gs_error_rangecheck;
+	    else {
+		ncset = 1;
+		break;
+	    }
+	    goto nce;
+	default:
+	    if ((code = param_read_null(plist, param_name)) == 0) {
+		ncset = 0;
+		break;
+	    }
+	    ecode = code;	/* can't be 1 */
+nce:
+	    param_signal_error(plist, param_name, ecode);
+	case 1:
+	    break;
+    }
+    }
+
+
+    /* Ignore parameters that only have meaning for printers. */
+#define IGNORE_INT_PARAM(pname)\
+  { int igni;\
+    switch ( code = param_read_int(plist, (param_name = pname), &igni) )\
+      { default:\
+	  ecode = code;\
+	  param_signal_error(plist, param_name, ecode);\
+	case 0:\
+	case 1:\
+	  break;\
+      }\
+  }
+    IGNORE_INT_PARAM("%MediaSource")
+	IGNORE_INT_PARAM("%MediaDestination")
+	switch (code = param_read_float_array(plist, (param_name = "ImagingBBox"), &ibba)) {
+	case 0:
+	    if (ibba.size != 4 ||
+		ibba.data[2] < ibba.data[0] || ibba.data[3] < ibba.data[1]
+		)
+		ecode = gs_note_error(gs_error_rangecheck);
+	    else
+		break;
+	    goto ibbe;
+	default:
+	    if ((code = param_read_null(plist, param_name)) == 0) {
+		ibbnull = true;
+		ibba.data = 0;
+		break;
+	    }
+	    ecode = code;	/* can't be 1 */
+	  ibbe:param_signal_error(plist, param_name, ecode);
+	case 1:
+	    ibba.data = 0;
+	    break;
+    }
+
+    /* Now check nominally read-only parameters. */
+    if ((code = param_check_string(plist, "OutputDevice", dev->dname, true)) < 0)
+	ecode = code;
+    if ((code = param_check_string(plist, "ProcessColorModel", pcmsa[colors], colors != 0)) < 0)
+	ecode = code;
+    if ((code = param_check_string(plist, "Name", dev->dname, true)) < 0)
+	ecode = code;
+    if ((code = param_check_int(plist, "Colors", colors, true)) < 0)
+	ecode = code;
+    if ((code = param_check_int(plist, "BitsPerPixel", depth, true)) < 0)
+	ecode = code;
+    if ((code = param_check_int(plist, "GrayValues", GrayValues, true)) < 0)
+	ecode = code;
+    if ((code = param_check_long(plist, "PageCount", dev->PageCount, true)) < 0)
+	ecode = code;
+    if ((code = param_check_int(plist, "RedValues", RGBValues, colors > 1)) < 0)
+	ecode = code;
+    if ((code = param_check_int(plist, "GreenValues", RGBValues, colors > 1)) < 0)
+	ecode = code;
+    if ((code = param_check_int(plist, "BlueValues", RGBValues, colors > 1)) < 0)
+	ecode = code;
+    if ((code = param_check_long(plist, "ColorValues", ColorValues, colors > 1)) < 0)
+	ecode = code;
+    if (param_read_string(plist, "HWColorMap", &cms) != 1) {
+	byte palette[3 << 8];
+
+	if (param_HWColorMap(dev, palette))
+	    code = param_check_bytes(plist, "HWColorMap", palette,
+				     colors << depth, true);
+	else
+	    code = param_check_bytes(plist, "HWColorMap", 0, 0, false);
+	if (code < 0)
+	    ecode = code;
+    }
+    if ((code =
+	 param_check_int(plist, "TextAlphaBits",
+			 (*dev_proc(dev, get_alpha_bits)) (dev, go_text),
+			 true)) < 0
+	)
+	ecode = code;
+    if ((code =
+	 param_check_int(plist, "GraphicsAlphaBits",
+			 (*dev_proc(dev, get_alpha_bits)) (dev, go_graphics),
+			 true)) < 0
+	)
+	ecode = code;
+
+    /* We must 'commit', in order to detect unknown parameters, */
+    /* even if there were errors. */
+    code = param_commit(plist);
+    if (ecode < 0)
+	return ecode;
+    if (code < 0)
+	return code;
+
+    /* Now actually make the changes. */
+    /* Changing resolution or page size requires closing the device, */
+    /* but changing margins or ImagingBBox does not. */
+    /* In order not to close and reopen the device unnecessarily, */
+    /* we check for replacing the values with the same ones. */
+
+    if (hwra.data != 0 &&
+	(dev->HWResolution[0] != hwra.data[0] ||
+	 dev->HWResolution[1] != hwra.data[1])
+	) {
+	if (dev->is_open)
+	    gs_closedevice(dev);
+	gx_device_set_resolution(dev, hwra.data[0], hwra.data[1]);
+    }
+    if (hwsa.data != 0 &&
+	(dev->width != hwsa.data[0] ||
+	 dev->height != hwsa.data[1])
+	) {
+	if (dev->is_open)
+	    gs_closedevice(dev);
+	gx_device_set_width_height(dev, hwsa.data[0], hwsa.data[1]);
+    }
+    if (msa.data != 0 &&
+	(dev->PageSize[0] != msa.data[0] ||
+	 dev->PageSize[1] != msa.data[1])
+	) {
+	if (dev->is_open)
+	    gs_closedevice(dev);
+	gx_device_set_page_size(dev, msa.data[0], msa.data[1]);
+    }
+    if (ma.data != 0) {
+	dev->Margins[0] = ma.data[0];
+	dev->Margins[1] = ma.data[1];
+    }
+    if (hwma.data != 0) {
+	dev->HWMargins[0] = hwma.data[0];
+	dev->HWMargins[1] = hwma.data[1];
+	dev->HWMargins[2] = hwma.data[2];
+	dev->HWMargins[3] = hwma.data[3];
+    }
+    dev->NumCopies = nci;
+    dev->NumCopies_set = ncset;
+    dev->IgnoreNumCopies = ignc;
+    if (ibba.data != 0) {
+	dev->ImagingBBox[0] = ibba.data[0];
+	dev->ImagingBBox[1] = ibba.data[1];
+	dev->ImagingBBox[2] = ibba.data[2];
+	dev->ImagingBBox[3] = ibba.data[3];
+	dev->ImagingBBox_set = true;
+    } else if (ibbnull) {
+	dev->ImagingBBox_set = false;
+    }
+    return 0;
+}
+
+/* Read PageSize. */
+private int
+param_PageSize(gs_param_list * plist, gs_param_name pname,
+		const float *res, gs_param_float_array * pa)
+{
+    gs_param_name param_name;
+    int ecode = 0;
+    int code;
+
+    BEGIN_ARRAY_PARAM(param_read_float_array, pname, *pa, 2, mse)
+	float width_new = pa->data[0] * res[0] / 72;
+    float height_new = pa->data[1] * res[1] / 72;
+
+    if (width_new < 0 || height_new < 0)
+	ecode = gs_note_error(gs_error_rangecheck);
+#define max_coord (max_fixed / fixed_1)
+#if max_coord < max_int
+    else if (width_new > max_coord || height_new > max_coord)
+	ecode = gs_note_error(gs_error_limitcheck);
+#endif
+#undef max_coord
+    else
+	break;
+    END_ARRAY_PARAM(*pa, mse)
+	return ecode;
+}
+
+#if 0				/****** not used ***** */
+/* Check that a nominally read-only parameter is being set to */
+/* its existing value. */
+private int
+param_check_bool(gs_param_list * plist, gs_param_name pname, bool value,
+		 bool defined)
+{
+    int code;
+    bool new_value;
+
+    switch (code = param_read_bool(plist, pname, &new_value)) {
+	case 0:
+	    if (defined && new_value == value)
+		break;
+	    code = gs_note_error(gs_error_rangecheck);
+	    goto e;
+	default:
+	    if (param_read_null(plist, pname) == 0)
+		return 1;
+	  e:param_signal_error(plist, pname, code);
+	case 1:
+	    ;
+    }
+    return code;
+}
+#endif /****** not used ***** */
+private int
+param_check_long(gs_param_list * plist, gs_param_name pname, long value,
+		 bool defined)
+{
+    int code;
+    long new_value;
+
+    switch (code = param_read_long(plist, pname, &new_value)) {
+	case 0:
+	    if (defined && new_value == value)
+		break;
+	    code = gs_note_error(gs_error_rangecheck);
+	    goto e;
+	default:
+	    if (param_read_null(plist, pname) == 0)
+		return 1;
+	  e:param_signal_error(plist, pname, code);
+	case 1:
+	    ;
+    }
+    return code;
+}
+private int
+param_check_bytes(gs_param_list * plist, gs_param_name pname, const byte * str,
+		  uint size, bool defined)
+{
+    int code;
+    gs_param_string new_value;
+
+    switch (code = param_read_string(plist, pname, &new_value)) {
+	case 0:
+	    if (defined && new_value.size == size &&
+		!memcmp((const char *)str, (const char *)new_value.data,
+			size)
+		)
+		break;
+	    code = gs_note_error(gs_error_rangecheck);
+	    goto e;
+	default:
+	    if (param_read_null(plist, pname) == 0)
+		return 1;
+	  e:param_signal_error(plist, pname, code);
+	case 1:
+	    ;
+    }
+    return code;
+}
diff --git a/pstoraster/gsdpnext.h b/pstoraster/gsdpnext.h
new file mode 100644
index 000000000..7a82ffe69
--- /dev/null
+++ b/pstoraster/gsdpnext.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* API for NeXT DPS facilities */
+
+#ifndef gsdpnext_INCLUDED
+#  define gsdpnext_INCLUDED
+
+#include "gsalpha.h"
+#include "gsalphac.h"
+
+#endif /* gsdpnext_INCLUDED */
diff --git a/pstoraster/gsdps.h b/pstoraster/gsdps.h
new file mode 100644
index 000000000..e31a33bba
--- /dev/null
+++ b/pstoraster/gsdps.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to Display PostScript facilities. */
+
+#ifndef gsdps_INCLUDED
+#  define gsdps_INCLUDED
+
+/* Device-source images */
+#include "gsiparm2.h"
+
+/* View clipping */
+int gs_initviewclip(P1(gs_state *));
+int gs_eoviewclip(P1(gs_state *));
+int gs_viewclip(P1(gs_state *));
+int gs_viewclippath(P1(gs_state *));
+
+#endif /* gsdps_INCLUDED */
diff --git a/pstoraster/gsdps1.c b/pstoraster/gsdps1.c
new file mode 100644
index 000000000..e4707d003
--- /dev/null
+++ b/pstoraster/gsdps1.c
@@ -0,0 +1,242 @@
+/* Copyright (C) 1991, 1992, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Display PostScript graphics additions for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gscoord.h */
+#include "gscoord.h"
+#include "gspaint.h"
+#include "gxdevice.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gspath.h"
+#include "gspath2.h"		/* defines interface */
+#include "gzpath.h"
+#include "gzcpath.h"
+#include "gzstate.h"
+
+/*
+ * Define how much rounding slop setbbox should leave,
+ * in device coordinates.  Because of rounding in transforming
+ * path coordinates to fixed point, the minimum realistic value is:
+ *
+ *      #define box_rounding_slop_fixed (fixed_epsilon)
+ *
+ * But even this isn't enough to compensate for cumulative rounding error
+ * in rmoveto or rcurveto.  Instead, we somewhat arbitrarily use:
+ */
+#define box_rounding_slop_fixed (fixed_epsilon * 3)
+
+/* ------ Graphics state ------ */
+
+/* Set the bounding box for the current path. */
+int
+gs_setbbox(gs_state * pgs, floatp llx, floatp lly, floatp urx, floatp ury)
+{
+    gs_rect ubox, dbox;
+    gs_fixed_rect obox, bbox;
+    gx_path *ppath = pgs->path;
+    int code;
+
+    if (llx > urx || lly > ury)
+	return_error(gs_error_rangecheck);
+    /* Transform box to device coordinates. */
+    ubox.p.x = llx;
+    ubox.p.y = lly;
+    ubox.q.x = urx;
+    ubox.q.y = ury;
+    if ((code = gs_bbox_transform(&ubox, &ctm_only(pgs), &dbox)) < 0)
+	return code;
+    /* Round the corners in opposite directions. */
+    /* Because we can't predict the magnitude of the dbox values, */
+    /* we add/subtract the slop after fixing. */
+    if (dbox.p.x < fixed2float(min_fixed + box_rounding_slop_fixed) ||
+	dbox.p.y < fixed2float(min_fixed + box_rounding_slop_fixed) ||
+	dbox.q.x >= fixed2float(max_fixed - box_rounding_slop_fixed + fixed_epsilon) ||
+	dbox.q.y >= fixed2float(max_fixed - box_rounding_slop_fixed + fixed_epsilon)
+	)
+	return_error(gs_error_limitcheck);
+    bbox.p.x =
+	(fixed) floor(dbox.p.x * fixed_scale) - box_rounding_slop_fixed;
+    bbox.p.y =
+	(fixed) floor(dbox.p.y * fixed_scale) - box_rounding_slop_fixed;
+    bbox.q.x =
+	(fixed) ceil(dbox.q.x * fixed_scale) + box_rounding_slop_fixed;
+    bbox.q.y =
+	(fixed) ceil(dbox.q.y * fixed_scale) + box_rounding_slop_fixed;
+    if (gx_path_bbox(ppath, &obox) >= 0) {	/* Take the union of the bboxes. */
+	ppath->bbox.p.x = min(obox.p.x, bbox.p.x);
+	ppath->bbox.p.y = min(obox.p.y, bbox.p.y);
+	ppath->bbox.q.x = max(obox.q.x, bbox.q.x);
+	ppath->bbox.q.y = max(obox.q.y, bbox.q.y);
+    } else {			/* empty path *//* Just set the bbox. */
+	ppath->bbox = bbox;
+    }
+    ppath->bbox_set = 1;
+    return 0;
+}
+
+/* ------ Rectangles ------ */
+
+/* Append a list of rectangles to a path. */
+int
+gs_rectappend(gs_state * pgs, const gs_rect * pr, uint count)
+{
+    for (; count != 0; count--, pr++) {
+	floatp px = pr->p.x, py = pr->p.y, qx = pr->q.x, qy = pr->q.y;
+	int code;
+
+	/* Ensure counter-clockwise drawing. */
+	if ((qx >= px) != (qy >= py))
+	    qx = px, px = pr->q.x;	/* swap x values */
+	if ((code = gs_moveto(pgs, px, py)) < 0 ||
+	    (code = gs_lineto(pgs, qx, py)) < 0 ||
+	    (code = gs_lineto(pgs, qx, qy)) < 0 ||
+	    (code = gs_lineto(pgs, px, qy)) < 0 ||
+	    (code = gs_closepath(pgs)) < 0
+	    )
+	    return code;
+    }
+    return 0;
+}
+
+/* Clip to a list of rectangles. */
+int
+gs_rectclip(gs_state * pgs, const gs_rect * pr, uint count)
+{
+    int code;
+    gx_path save;
+
+    gx_path_init_local(&save, pgs->memory);
+    gx_path_assign_preserve(&save, pgs->path);
+    gs_newpath(pgs);
+    if ((code = gs_rectappend(pgs, pr, count)) < 0 ||
+	(code = gs_clip(pgs)) < 0
+	) {
+	gx_path_assign_free(pgs->path, &save);
+	return code;
+    }
+    gx_path_free(&save, "gs_rectclip");
+    gs_newpath(pgs);
+    return 0;
+}
+
+/* Fill a list of rectangles. */
+/* We take the trouble to do this efficiently in the simple cases. */
+int
+gs_rectfill(gs_state * pgs, const gs_rect * pr, uint count)
+{
+    const gs_rect *rlist = pr;
+    gx_clip_path *pcpath;
+    uint rcount = count;
+    int code;
+
+    gx_set_dev_color(pgs);
+    if ((is_fzero2(pgs->ctm.xy, pgs->ctm.yx) ||
+	 is_fzero2(pgs->ctm.xx, pgs->ctm.yy)) &&
+	gx_effective_clip_path(pgs, &pcpath) >= 0 &&
+	clip_list_is_rectangle(gx_cpath_list(pcpath)) &&
+	gs_state_color_load(pgs) >= 0 &&
+	(*dev_proc(pgs->device, get_alpha_bits)) (pgs->device, go_graphics)
+	<= 1
+	) {
+	uint i;
+	gs_fixed_rect clip_rect;
+
+	gx_cpath_inner_box(pcpath, &clip_rect);
+	for (i = 0; i < count; ++i) {
+	    gs_fixed_point p, q;
+	    gs_fixed_rect draw_rect;
+	    int x, y, w, h;
+
+	    if (gs_point_transform2fixed(&pgs->ctm, pr[i].p.x, pr[i].p.y, &p) < 0 ||
+	    gs_point_transform2fixed(&pgs->ctm, pr[i].q.x, pr[i].q.y, &q) < 0
+		) {		/* Switch to the slow algorithm. */
+		goto slow;
+	    }
+	    draw_rect.p.x = min(p.x, q.x) - pgs->fill_adjust.x;
+	    draw_rect.p.y = min(p.y, q.y) - pgs->fill_adjust.y;
+	    draw_rect.q.x = max(p.x, q.x) + pgs->fill_adjust.x;
+	    draw_rect.q.y = max(p.y, q.y) + pgs->fill_adjust.y;
+	    rect_intersect(draw_rect, clip_rect);
+	    x = fixed2int_pixround(draw_rect.p.x);
+	    y = fixed2int_pixround(draw_rect.p.y);
+	    w = fixed2int_pixround(draw_rect.q.x) - x;
+	    h = fixed2int_pixround(draw_rect.q.y) - y;
+	    if (w > 0 && h > 0) {
+		if (gx_fill_rectangle(x, y, w, h, pgs->dev_color, pgs) < 0)
+		    goto slow;
+	    }
+	}
+	return 0;
+      slow:rlist = pr + i;
+	rcount = count - i;
+    } {
+	bool do_save = !gx_path_is_null(pgs->path);
+
+	if (do_save) {
+	    if ((code = gs_gsave(pgs)) < 0)
+		return code;
+	    gs_newpath(pgs);
+	}
+	if ((code = gs_rectappend(pgs, rlist, rcount)) < 0 ||
+	    (code = gs_fill(pgs)) < 0
+	    )
+	    DO_NOTHING;
+	if (do_save)
+	    gs_grestore(pgs);
+	else if (code < 0)
+	    gs_newpath(pgs);
+    }
+    return code;
+}
+
+/* Stroke a list of rectangles. */
+/* (We could do this a lot more efficiently.) */
+int
+gs_rectstroke(gs_state * pgs, const gs_rect * pr, uint count,
+	      const gs_matrix * pmat)
+{
+    bool do_save = pmat != NULL || !gx_path_is_null(pgs->path);
+    int code;
+
+    if (do_save) {
+	if ((code = gs_gsave(pgs)) < 0)
+	    return code;
+	gs_newpath(pgs);
+    }
+    if ((code = gs_rectappend(pgs, pr, count)) < 0 ||
+	(pmat != NULL && (code = gs_concat(pgs, pmat)) < 0) ||
+	(code = gs_stroke(pgs)) < 0
+	)
+	DO_NOTHING;
+    if (do_save)
+	gs_grestore(pgs);
+    else if (code < 0)
+	gs_newpath(pgs);
+    return code;
+}
diff --git a/pstoraster/gsdsrc.c b/pstoraster/gsdsrc.c
new file mode 100644
index 000000000..ea277bfc7
--- /dev/null
+++ b/pstoraster/gsdsrc.c
@@ -0,0 +1,121 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DataSource procedures */
+
+#include "memory_.h"
+#include "gx.h"
+#include "gsdsrc.h"
+#include "gserrors.h"
+#include "stream.h"
+
+/* GC descriptor */
+public_st_data_source();
+#define psrc ((gs_data_source_t *)vptr)
+private 
+ENUM_PTRS_BEGIN(data_source_enum_ptrs)
+{
+    if (psrc->type == data_source_type_string)
+	ENUM_RETURN_CONST_STRING_PTR(gs_data_source_t, data.str);
+    else if (psrc->type == data_source_type_stream)
+	ENUM_RETURN_PTR(gs_data_source_t, data.strm);
+    else			/* bytes or floats */
+	ENUM_RETURN_PTR(gs_data_source_t, data.str.data);
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(data_source_reloc_ptrs)
+{
+    if (psrc->type == data_source_type_string)
+	RELOC_CONST_STRING_PTR(gs_data_source_t, data.str);
+    else if (psrc->type == data_source_type_stream)
+	RELOC_PTR(gs_data_source_t, data.strm);
+    else			/* bytes or floats */
+	RELOC_PTR(gs_data_source_t, data.str.data);
+}
+RELOC_PTRS_END
+#undef psrc
+
+/* Access data from a string or a byte object. */
+/* Does *not* check bounds. */
+int
+data_source_access_string(const gs_data_source_t * psrc, ulong start,
+			  uint length, byte * buf, const byte ** ptr)
+{
+    const byte *p = psrc->data.str.data + start;
+
+    if (ptr)
+	*ptr = p;
+    else
+	memcpy(buf, p, length);
+    return 0;
+}
+/* access_bytes is identical to access_string, but has a different */
+/* GC procedure. */
+int
+data_source_access_bytes(const gs_data_source_t * psrc, ulong start,
+			 uint length, byte * buf, const byte ** ptr)
+{
+    const byte *p = psrc->data.str.data + start;
+
+    if (ptr)
+	*ptr = p;
+    else
+	memcpy(buf, p, length);
+    return 0;
+}
+
+/* Access data from a stream. */
+/* Returns gs_error_rangecheck if out of bounds. */
+int
+data_source_access_stream(const gs_data_source_t * psrc, ulong start,
+			  uint length, byte * buf, const byte ** ptr)
+{
+    stream *s = psrc->data.strm;
+    const byte *p;
+
+    if (start >= s->position &&
+	(p = start - s->position + s->cbuf) + length <=
+	s->cursor.r.limit + 1
+	) {
+	if (ptr)
+	    *ptr = p;
+	else
+	    memcpy(buf, p, length);
+    } else {
+	uint nread;
+	int code = sseek(s, start);
+
+	if (code < 0)
+	    return_error(gs_error_rangecheck);
+	code = sgets(s, buf, length, &nread);
+	if (code < 0)
+	    return_error(gs_error_rangecheck);
+	if (nread != length)
+	    return_error(gs_error_rangecheck);
+	if (ptr)
+	    *ptr = buf;
+    }
+    return 0;
+}
diff --git a/pstoraster/gsdsrc.h b/pstoraster/gsdsrc.h
new file mode 100644
index 000000000..bb6243941
--- /dev/null
+++ b/pstoraster/gsdsrc.h
@@ -0,0 +1,133 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DataSource definitions */
+
+#ifndef gsdsrc_INCLUDED
+#  define gsdsrc_INCLUDED
+
+#include "gsstruct.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/*
+ * A gs_data_source_t represents the data source for various constructs.  It
+ * can be a string (either a gs_string or a byte-type object), a
+ * positionable, non-procedure-based stream, or an array of floats.  An
+ * ordinary positionable file stream will do, as long as the client doesn't
+ * attempt to read past the EOF.
+ *
+ * The handling of floats is anomalous, but we don't see a good alternative
+ * at the moment.
+ */
+
+#ifndef stream_DEFINED
+#  define stream_DEFINED
+typedef struct stream_s stream;
+
+#endif
+
+/*
+ * Prepare to access a block of data from a source.  buf must be a client-
+ * supplied buffer of at least length bytes.  If ptr == 0, always copy the
+ * data into buf.  If ptr != 0, either copy the data into buf and set *ptr =
+ * buf, or set *ptr to point to the data (which might be invalidated by the
+ * next call).  Note that this procedure may or may not do bounds checking.
+ */
+#define data_source_proc_access(proc)\
+  int proc(P5(const gs_data_source_t *psrc, ulong start, uint length,\
+	      byte *buf, const byte **ptr))
+
+typedef enum {
+    data_source_type_string,
+    data_source_type_bytes,
+    data_source_type_floats,
+    data_source_type_stream
+} gs_data_source_type_t;
+typedef struct gs_data_source_s gs_data_source_t;
+struct gs_data_source_s {
+    data_source_proc_access((*access));
+    gs_data_source_type_t type;
+    union d_ {
+	gs_const_string str;	/* also used for byte objects */
+	stream *strm;
+    } data;
+};
+
+#define data_source_access_only(psrc, start, length, buf, ptr)\
+  (*(psrc)->access)(psrc, (ulong)(start), length, buf, ptr)
+#define data_source_access(psrc, start, length, buf, ptr)\
+  BEGIN\
+    int code_ = data_source_access_only(psrc, start, length, buf, ptr);\
+    if ( code_ < 0 ) return code_;\
+  END
+#define data_source_copy_only(psrc, start, length, buf)\
+  data_source_access_only(psrc, start, length, buf, (const byte **)0)
+#define data_source_copy(psrc, start, length, buf)\
+  data_source_access(psrc, start, length, buf, (const byte **)0)
+
+/*
+ * Data sources are always embedded in other structures, but they do have
+ * pointers that need to be traced and relocated, so they do have a GC
+ * structure type.
+ */
+extern_st(st_data_source);
+#define public_st_data_source()	/* in gsdsrc.c */\
+  gs_public_st_composite(st_data_source, gs_data_source_t, "gs_data_source_t",\
+    data_source_enum_ptrs, data_source_reloc_ptrs)
+#define st_data_source_max_ptrs 1
+
+/* ---------------- Procedures ---------------- */
+
+/* Initialize a data source of the various known types. */
+data_source_proc_access(data_source_access_string);
+#define data_source_init_string(psrc, strg)\
+  ((psrc)->type = data_source_type_string,\
+   (psrc)->data.str = strg, (psrc)->access = data_source_access_string)
+#define data_source_init_string2(psrc, bytes, len)\
+  ((psrc)->type = data_source_type_string,\
+   (psrc)->data.str.data = bytes, (psrc)->data.str.size = len,\
+   (psrc)->access = data_source_access_string)
+data_source_proc_access(data_source_access_bytes);
+#define data_source_init_bytes(psrc, bytes, len)\
+  ((psrc)->type = data_source_type_bytes,\
+   (psrc)->data.str.data = bytes, (psrc)->data.str.size = len,\
+   (psrc)->access = data_source_access_bytes)
+#define data_source_init_floats(psrc, floats, count)\
+  ((psrc)->type = data_source_type_floats,\
+   (psrc)->data.str.data = (byte *)floats,\
+   (psrc)->data.str.size = (count) * sizeof(float),\
+   (psrc)->access = data_source_access_bytes)
+data_source_proc_access(data_source_access_stream);
+#define data_source_init_stream(psrc, s)\
+  ((psrc)->type = data_source_type_stream,\
+   (psrc)->data.strm = s, (psrc)->access = data_source_access_stream)
+
+#define data_source_is_stream(dsource)\
+  ((dsource).type == data_source_type_stream)
+#define data_source_is_array(dsource)\
+  ((dsource).type == data_source_type_floats)
+
+#endif /* gsdsrc_INCLUDED */
diff --git a/pstoraster/gserror.h b/pstoraster/gserror.h
new file mode 100644
index 000000000..d90bcb279
--- /dev/null
+++ b/pstoraster/gserror.h
@@ -0,0 +1,42 @@
+/* Copyright (C) 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Error return macros */
+
+#ifndef gserror_INCLUDED
+#  define gserror_INCLUDED
+
+#ifdef DEBUG
+int gs_log_error(P3(int, const char *, int));
+
+#else
+#  define gs_log_error(err, file, line) (err)
+#endif
+#define gs_note_error(err) gs_log_error(err, __FILE__, __LINE__)
+#define return_error(err) return gs_note_error(err)
+#define return_if_error(expr)\
+  BEGIN int code_ = (expr); if ( code_ < 0 ) return code_; END
+
+#endif /* gserror_INCLUDED */
diff --git a/pstoraster/gserrors.h b/pstoraster/gserrors.h
new file mode 100644
index 000000000..22bbeb32e
--- /dev/null
+++ b/pstoraster/gserrors.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1989, 1993, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Error code definitions */
+
+#ifndef gserrors_INCLUDED
+#  define gserrors_INCLUDED
+
+/* A procedure that may return an error always returns */
+/* a non-negative value (zero, unless otherwise noted) for success, */
+/* or negative for failure. */
+/* We use ints rather than an enum to avoid a lot of casting. */
+
+#define gs_error_unknownerror (-1)	/* unknown error */
+#define gs_error_interrupt (-6)
+#define gs_error_invalidaccess (-7)
+#define gs_error_invalidfileaccess (-9)
+#define gs_error_invalidfont (-10)
+#define gs_error_ioerror (-12)
+#define gs_error_limitcheck (-13)
+#define gs_error_nocurrentpoint (-14)
+#define gs_error_rangecheck (-15)
+#define gs_error_typecheck (-20)
+#define gs_error_undefined (-21)
+#define gs_error_undefinedfilename (-22)
+#define gs_error_undefinedresult (-23)
+#define gs_error_VMerror (-25)
+#define gs_error_unregistered (-29)
+
+#define gs_error_hit_detected (-99)
+
+#define gs_error_Fatal (-100)
+
+#endif /* gserrors_INCLUDED */
diff --git a/pstoraster/gsexit.h b/pstoraster/gsexit.h
new file mode 100644
index 000000000..57829a7d7
--- /dev/null
+++ b/pstoraster/gsexit.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Declarations for exits */
+
+#ifndef gsexit_INCLUDED
+#  define gsexit_INCLUDED
+
+void gs_exit_with_code(P2(int exit_status, int code));
+void gs_exit(P1(int exit_status));
+
+#define gs_abort() gs_exit(1)
+
+/* The only reason we export gs_exit_status is so that window systems */
+/* with alert boxes can know whether to pause before exiting if */
+/* the program terminates with an error.  There must be a better way .... */
+extern int gs_exit_status;
+
+#endif /* gsexit_INCLUDED */
diff --git a/pstoraster/gsfcmap.c b/pstoraster/gsfcmap.c
new file mode 100644
index 000000000..b418a4aeb
--- /dev/null
+++ b/pstoraster/gsfcmap.c
@@ -0,0 +1,167 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CMap character decoding */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfcmap.h"
+
+/* CMap structure descriptors */
+public_st_cmap();
+public_st_code_map();
+public_st_code_map_element();
+
+#define pcmap ((gx_code_map *)vptr)
+/* Because code maps can be elements of arrays, */
+/* their enum_ptrs procedure must never return 0 prematurely. */
+private 
+ENUM_PTRS_BEGIN(code_map_enum_ptrs) return 0;
+ENUM_PTR(0, gx_code_map, cmap);
+case 1:
+switch (pcmap->type)
+{
+    case cmap_glyph:
+	(*pcmap->cmap->mark_glyph)(pcmap->data.glyph,
+				   pcmap->cmap->mark_glyph_data);
+    default:
+	ENUM_RETURN(0);
+    case cmap_subtree:
+	ENUM_RETURN_PTR(gx_code_map, data.subtree);
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(code_map_reloc_ptrs);
+switch (pcmap->type) {
+    case cmap_subtree:
+	RELOC_PTR(gx_code_map, data.subtree);
+	break;
+    default:
+	;
+}
+RELOC_PTR(gx_code_map, cmap);
+RELOC_PTRS_END
+#undef pcmap
+
+/* CIDSystemInfo structure */
+public_st_cid_system_info();
+
+/* ---------------- Procedures ---------------- */
+
+/*
+ * Decode a character from a string using a code map, updating the index.
+ * Return 0 for a CID or name, N > 0 for a character code where N is the
+ * number of bytes in the code, or an error.  For undefined characters,
+ * we set *pglyph = gs_no_glyph and return 0.
+ */
+private int
+code_map_decode_next(const gx_code_map * pcmap, const gs_const_string * str,
+		     uint * pindex, uint * pfidx,
+		     gs_char * pchr, gs_glyph * pglyph)
+{
+    const gx_code_map *map = pcmap;
+    uint chr = 0;
+
+    for (;;) {
+	int result;
+
+	if_debug1('J', "[J]cmap char = 0x%x: ", chr);
+	switch ((gx_code_map_type) map->type) {
+	    case cmap_char_code:
+		if_debug0('J', "char code");
+		*pglyph = (gs_glyph)map->data.ccode;
+		result = map->num_bytes1 + 1;
+leaf:		if (chr > map->last)
+		    goto undef;
+		if (map->add_offset)
+		    *pglyph += chr - map->first;
+		*pfidx = map->byte_data.font_index;
+		*pchr = chr & 0xff;
+		if_debug3('J', " 0x%lx, fidx %u, result %d\n",
+			  *pglyph, *pfidx, result);
+		return result;
+	    case cmap_glyph:
+		if_debug0('J', "glyph");
+		*pglyph = map->data.glyph;
+		result = 0;
+		goto leaf;
+	    case cmap_subtree:
+		if_debug0('J', "subtree\n");
+		if (*pindex >= str->size)
+		    return_error(gs_error_rangecheck);
+		chr = str->data[(*pindex)++];
+		if (chr >= map->data.subtree[0].first) {
+		    /* Invariant: map[lo].first <= chr < map[hi].first. */
+		    uint lo = 0, hi = map->byte_data.count1 + 1;
+
+		    map = map->data.subtree;
+		    while (lo + 1 < hi) {
+			uint mid = (lo + hi) >> 1;
+
+			if (chr >= map[mid].first)
+			    lo = mid;
+			else
+			    hi = mid;
+		    }
+		    map = &map[lo];
+		    continue;
+		}
+undef:		if_debug0('J', " undef\n");
+		*pchr = 0;
+		*pglyph = gs_no_glyph;
+		return 0;
+	    default:		/* (can't happen) */
+		if_debug0('J', "error!\n");
+		return_error(gs_error_invalidfont);
+	}
+    }
+}
+
+/*
+ * Decode a character from a string using a CMap.
+ * Return like code_map_decode_next.
+ */
+int
+gs_cmap_decode_next(const gs_cmap * pcmap, const gs_const_string * str,
+		    uint * pindex, uint * pfidx,
+		    gs_char * pchr, gs_glyph * pglyph)
+{
+    uint save_index = *pindex;
+    int code =
+	code_map_decode_next(&pcmap->def, str, pindex, pfidx, pchr, pglyph);
+
+    if (code != 0 || *pglyph != gs_no_glyph)
+	return code;
+    /* This is an undefined character.  Use the notdef map. */
+    {
+	uint next_index = *pindex;
+
+	*pindex = save_index;
+	code =
+	    code_map_decode_next(&pcmap->notdef, str, pindex, pfidx,
+				 pchr, pglyph);
+	*pindex = next_index;
+    }
+    return code;
+}
diff --git a/pstoraster/gsfcmap.h b/pstoraster/gsfcmap.h
new file mode 100644
index 000000000..628a111a7
--- /dev/null
+++ b/pstoraster/gsfcmap.h
@@ -0,0 +1,69 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CMap data definition */
+/* Requires gsstruct.h */
+
+#ifndef gsfcmap_INCLUDED
+#  define gsfcmap_INCLUDED
+
+#include "gsccode.h"
+
+/* Define the abstract type for a CMap. */
+#ifndef gs_cmap_DEFINED
+#  define gs_cmap_DEFINED
+typedef struct gs_cmap_s gs_cmap;
+
+#endif
+
+/* We only need the structure descriptor for testing. */
+extern_st(st_cmap);
+
+/* Define the structure for CIDSystemInfo. */
+typedef struct gs_cid_system_info_s {
+    gs_const_string Registry;
+    gs_const_string Ordering;
+    int Supplement;
+} gs_cid_system_info;
+/* We only need the structure descriptor for embedding. */
+extern_st(st_cid_system_info);
+#define public_st_cid_system_info() /* in gsfcmap.c */\
+  gs_public_st_const_strings2(st_cid_system_info, gs_cid_system_info,\
+    "gs_cid_system_info", cid_si_enum_ptrs, cid_si_reloc_ptrs,\
+    Registry, Ordering)
+
+/* ---------------- Procedural interface ---------------- */
+
+/*
+ * Decode a character from a string using a CMap, updating the index.
+ * Return 0 for a CID or name, N > 0 for a character code where N is the
+ * number of bytes in the code, or an error.  For undefined characters,
+ * we return CID 0.
+ */
+int gs_cmap_decode_next(P6(const gs_cmap * pcmap, const gs_const_string * str,
+			   uint * pindex, uint * pfidx,
+			   gs_char * pchr, gs_glyph * pglyph));
+
+#endif /* gsfcmap_INCLUDED */
diff --git a/pstoraster/gsflip.h b/pstoraster/gsflip.h
new file mode 100644
index 000000000..e1e19ab30
--- /dev/null
+++ b/pstoraster/gsflip.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to routines for "flipping" image data */
+
+#ifndef gsflip_INCLUDED
+#  define gsflip_INCLUDED
+
+/*
+ * Convert line-based (MultipleDataSource) input to the chunky format
+ * used everywhere else.
+ *
+ * We store the output at buffer.
+ * Each row of input must consist of an integral number of pixels.
+ * In particular, for 12-bit input, nbytes must be 0 mod 3.
+ * offset is the amount to be added to each plane pointer.
+ * num_planes must be 3 or 4; bits_per_sample must be 1, 2, 4, 8, or 12.
+ * Returns -1 if num_planes or bits_per_sample is invalid, otherwise 0.
+ */
+extern int image_flip_planes(P6(byte * buffer, const byte ** planes,
+				uint offset, uint nbytes,
+				int num_planes, int bits_per_sample));
+
+#endif /* gsflip_INCLUDED */
diff --git a/pstoraster/gsfont.c b/pstoraster/gsfont.c
new file mode 100644
index 000000000..efa4204b3
--- /dev/null
+++ b/pstoraster/gsfont.c
@@ -0,0 +1,558 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Font operators for Ghostscript library */
+#include "gx.h"
+#include "memory_.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gzstate.h"		/* must precede gxdevice */
+#include "gxdevice.h"		/* must precede gxfont */
+#include "gschar.h"
+#include "gxfont.h"
+#include "gxfcache.h"
+
+/* Imported procedures */
+void gs_purge_font_from_char_caches(P2(gs_font_dir *, const gs_font *));
+
+/* Define the sizes of the various aspects of the font/character cache. */
+/*** Big memory machines ***/
+#define smax_LARGE 50		/* smax - # of scaled fonts */
+#define bmax_LARGE 500000	/* bmax - space for cached chars */
+#define mmax_LARGE 200		/* mmax - # of cached font/matrix pairs */
+#define cmax_LARGE 5000		/* cmax - # of cached chars */
+#define blimit_LARGE 2500	/* blimit/upper - max size of a single cached char */
+/*** Small memory machines ***/
+#define smax_SMALL 20		/* smax - # of scaled fonts */
+#define bmax_SMALL 25000	/* bmax - space for cached chars */
+#define mmax_SMALL 40		/* mmax - # of cached font/matrix pairs */
+#define cmax_SMALL 500		/* cmax - # of cached chars */
+#define blimit_SMALL 100	/* blimit/upper - max size of a single cached char */
+
+private_st_font_dir();
+private struct_proc_enum_ptrs(font_enum_ptrs);
+private struct_proc_reloc_ptrs(font_reloc_ptrs);
+
+public_st_gs_font();
+public_st_gs_font_base();
+private_st_gs_font_ptr();
+public_st_gs_font_ptr_element();
+
+/*
+ * Garbage collection of fonts poses some special problems.  On the one
+ * hand, we need to keep track of all existing base (not scaled) fonts,
+ * using the next/prev list whose head is the orig_fonts member of the font
+ * directory; on the other hand, we want these to be "weak" pointers that
+ * don't keep fonts in existence if the fonts aren't referenced from
+ * anywhere else.  We accomplish this as follows:
+ *
+ *     We don't trace through gs_font_dir.orig_fonts or gs_font.{next,prev}
+ * during the mark phase of the GC.
+ *
+ *     When we finalize a base gs_font, we unlink it from the list.  (A
+ * gs_font is a base font iff its base member points to itself.)
+ *
+ *     We *do* relocate the orig_fonts and next/prev pointers during the
+ * relocation phase of the GC.  */
+
+/* Font directory GC procedures */
+#define dir ((gs_font_dir *)vptr)
+private 
+ENUM_PTRS_BEGIN(font_dir_enum_ptrs)
+{				/* Enumerate pointers from cached characters to f/m pairs, */
+    /* and mark the cached character glyphs. */
+    /* See gxfcache.h for why we do this here. */
+    uint cci = index - st_font_dir_max_ptrs;
+    uint offset, count;
+    uint tmask = dir->ccache.table_mask;
+
+    if (cci == 0)
+	offset = 0, count = 1;
+    else if (cci == dir->enum_index + 1)
+	offset = dir->enum_offset + 1, count = 1;
+    else
+	offset = 0, count = cci;
+    for (; offset <= tmask; ++offset) {
+	cached_char *cc = dir->ccache.table[offset];
+
+	if (cc != 0 && !--count) {
+	    (*dir->ccache.mark_glyph)
+		(cc->code, dir->ccache.mark_glyph_data);
+	    dir->enum_index = cci;
+	    dir->enum_offset = offset;
+	    ENUM_RETURN(cc_pair(cc) - cc->pair_index);
+	}
+    }
+}
+return 0;
+#define e1(i,elt) ENUM_PTR(i,gs_font_dir,elt);
+font_dir_do_ptrs(e1)
+#undef e1
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(font_dir_reloc_ptrs);
+	/* Relocate the pointers from cached characters to f/m pairs. */
+	/* See gxfcache.h for why we do this here. */
+{
+    int chi;
+
+    for (chi = dir->ccache.table_mask; chi >= 0; --chi) {
+	cached_char *cc = dir->ccache.table[chi];
+
+	if (cc != 0)
+	    cc_set_pair_only(cc,
+			     (cached_fm_pair *)
+			     RELOC_OBJ(cc_pair(cc) - cc->pair_index) +
+			     cc->pair_index);
+    }
+}
+	/* We have to relocate the cached characters before we */
+	/* relocate dir->ccache.table! */
+RELOC_PTR(gs_font_dir, orig_fonts);
+#define r1(i,elt) RELOC_PTR(gs_font_dir, elt);
+font_dir_do_ptrs(r1)
+#undef r1
+RELOC_PTRS_END
+#undef dir
+
+/* GC procedures for fonts */
+#define pfont ((gs_font *)vptr)
+/*
+ * When we finalize a base font, we unlink it from the orig_fonts list;
+ * when we finalize a scaled font, we unlink it from scaled_fonts.
+ * See above for more information.
+ */
+     void
+          gs_font_finalize(void *vptr)
+{
+    gs_font **ppfirst;
+    gs_font *next = pfont->next;
+    gs_font *prev = pfont->prev;
+
+    if_debug4('u', "[u]unlinking font 0x%lx, base=0x%lx, prev=0x%lx, next=0x%lx\n",
+	    (ulong) pfont, (ulong) pfont->base, (ulong) prev, (ulong) next);
+    if (pfont->dir == 0)
+	ppfirst = 0;
+    else if (pfont->base == pfont)
+	ppfirst = &pfont->dir->orig_fonts;
+    else {			/*
+				 * Track the number of cached scaled fonts.  Only decrement the
+				 * count if we didn't do this already in gs_makefont.
+				 */
+	if (next || prev || pfont->dir->scaled_fonts == pfont)
+	    pfont->dir->ssize--;
+	ppfirst = &pfont->dir->scaled_fonts;
+    }
+    /*
+     * gs_purge_font may have unlinked this font already:
+     * don't unlink it twice.
+     */
+    if (next != 0 && next->prev == pfont)
+	next->prev = prev;
+    if (prev != 0) {
+	if (prev->next == pfont)
+	    prev->next = next;
+    } else if (ppfirst != 0 && *ppfirst == pfont)
+	*ppfirst = next;
+}
+private 
+ENUM_PTRS_BEGIN(font_enum_ptrs) return 0;
+
+	/* We don't enumerate next or prev of base fonts. */
+	/* See above for details. */
+case 0:
+ENUM_RETURN((pfont->base == pfont ? 0 : pfont->next));
+case 1:
+ENUM_RETURN((pfont->base == pfont ? 0 : pfont->prev));
+ENUM_PTR(2, gs_font, dir);
+ENUM_PTR(3, gs_font, base);
+ENUM_PTR(4, gs_font, client_data);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(font_reloc_ptrs);
+	/* We *do* always relocate next and prev. */
+	/* Again, see above for details. */
+RELOC_PTR(gs_font, next);
+RELOC_PTR(gs_font, prev);
+RELOC_PTR(gs_font, dir);
+RELOC_PTR(gs_font, base);
+RELOC_PTR(gs_font, client_data);
+RELOC_PTRS_END
+#undef pfont
+
+/* Allocate a font directory */
+private bool
+cc_no_mark_glyph(gs_glyph glyph, void *ignore_data)
+{
+    return false;
+}
+gs_font_dir *
+gs_font_dir_alloc2(gs_memory_t * struct_mem, gs_memory_t * bits_mem)
+{
+    gs_font_dir *pdir = 0;
+
+#if !arch_small_memory
+#  ifdef DEBUG
+    if (!gs_debug_c('.'))
+#  endif
+    {				/* Try allocating a very large cache. */
+	/* If this fails, allocate a small one. */
+	pdir = gs_font_dir_alloc2_limits(struct_mem, bits_mem,
+					 smax_LARGE, bmax_LARGE, mmax_LARGE,
+					 cmax_LARGE, blimit_LARGE);
+    }
+    if (pdir == 0)
+#endif
+	pdir = gs_font_dir_alloc2_limits(struct_mem, bits_mem,
+					 smax_SMALL, bmax_SMALL, mmax_SMALL,
+					 cmax_SMALL, blimit_SMALL);
+    if (pdir == 0)
+	return 0;
+    pdir->ccache.mark_glyph = cc_no_mark_glyph;
+    pdir->ccache.mark_glyph_data = 0;
+    return pdir;
+}
+gs_font_dir *
+gs_font_dir_alloc2_limits(gs_memory_t * struct_mem, gs_memory_t * bits_mem,
+		     uint smax, uint bmax, uint mmax, uint cmax, uint upper)
+{
+    register gs_font_dir *pdir =
+    gs_alloc_struct(struct_mem, gs_font_dir, &st_font_dir,
+		    "font_dir_alloc(dir)");
+    int code;
+
+    if (pdir == 0)
+	return 0;
+    code = gx_char_cache_alloc(struct_mem, bits_mem, pdir,
+			       bmax, mmax, cmax, upper);
+    if (code < 0) {
+	gs_free_object(struct_mem, pdir, "font_dir_alloc(dir)");
+	return 0;
+    }
+    pdir->orig_fonts = 0;
+    pdir->scaled_fonts = 0;
+    pdir->ssize = 0;
+    pdir->smax = smax;
+    return pdir;
+}
+
+/* Macro for linking an element at the head of a chain */
+#define link_first(first, elt)\
+  if ( (elt->next = first) != NULL ) first->prev = elt;\
+  elt->prev = 0;\
+  first = elt
+
+/* definefont */
+/* Use this only for original (unscaled) fonts! */
+/* Note that it expects pfont->procs.define_font to be set already. */
+int
+gs_definefont(gs_font_dir * pdir, gs_font * pfont)
+{
+    int code;
+
+    pfont->dir = pdir;
+    pfont->base = pfont;
+    code = (*pfont->procs.define_font) (pdir, pfont);
+    if (code < 0) {		/* Make sure we don't try to finalize this font. */
+	pfont->base = 0;
+	return code;
+    }
+    link_first(pdir->orig_fonts, pfont);
+    if_debug2('m', "[m]defining font 0x%lx, next=0x%lx\n",
+	      (ulong) pfont, (ulong) pfont->next);
+    return 0;
+}
+/* Default (vacuous) definefont handler. */
+int
+gs_no_define_font(gs_font_dir * pdir, gs_font * pfont)
+{
+    return 0;
+}
+
+/* scalefont */
+int
+gs_scalefont(gs_font_dir * pdir, const gs_font * pfont, floatp scale,
+	     gs_font ** ppfont)
+{
+    gs_matrix mat;
+
+    gs_make_scaling(scale, scale, &mat);
+    return gs_makefont(pdir, pfont, &mat, ppfont);
+}
+
+/* makefont */
+int
+gs_makefont(gs_font_dir * pdir, const gs_font * pfont,
+	    const gs_matrix * pmat, gs_font ** ppfont)
+{
+#define pbfont ((const gs_font_base *)pfont)
+    int code;
+    gs_font *prev = 0;
+    gs_font *pf_out = pdir->scaled_fonts;
+    gs_memory_t *mem = pfont->memory;
+    gs_matrix newmat;
+    bool can_cache;
+
+    if ((code = gs_matrix_multiply(&pfont->FontMatrix, pmat, &newmat)) < 0)
+	return code;
+    /* Check for the font already being in the scaled font cache. */
+    /* Only attempt to share fonts if the current font has */
+    /* a valid UniqueID or XUID. */
+#ifdef DEBUG
+    if (gs_debug_c('m')) {
+	if (pfont->FontType == ft_composite)
+	    dlprintf("[m]composite");
+	else if (uid_is_UniqueID(&pbfont->UID))
+	    dlprintf1("[m]UniqueID=%ld", pbfont->UID.id);
+	else if (uid_is_XUID(&pbfont->UID))
+	    dlprintf1("[m]XUID(%u)", (uint) (-pbfont->UID.id));
+	else
+	    dlprintf("[m]no UID");
+	dprintf7(", FontType=%d,\n[m]  new FontMatrix=[%g %g %g %g %g %g]\n",
+		 pfont->FontType,
+		 pmat->xx, pmat->xy, pmat->yx, pmat->yy,
+		 pmat->tx, pmat->ty);
+    }
+#endif
+    /* The UID of a composite font is of no value in caching.... */
+    if (pfont->FontType != ft_composite &&
+	uid_is_valid(&pbfont->UID)
+	) {
+	for (; pf_out != 0; prev = pf_out, pf_out = pf_out->next)
+	    if (pf_out->FontType == pfont->FontType &&
+		pf_out->base == pfont->base &&
+		uid_equal(&((gs_font_base *) pf_out)->UID, &pbfont->UID) &&
+		pf_out->FontMatrix.xx == newmat.xx &&
+		pf_out->FontMatrix.xy == newmat.xy &&
+		pf_out->FontMatrix.yx == newmat.yx &&
+		pf_out->FontMatrix.yy == newmat.yy &&
+		pf_out->FontMatrix.tx == newmat.tx &&
+		pf_out->FontMatrix.ty == newmat.ty
+		) {
+		*ppfont = pf_out;
+		if_debug1('m', "[m]found font=0x%lx\n", (ulong) pf_out);
+		return 0;
+	    }
+	can_cache = true;
+    } else
+	can_cache = false;
+    pf_out = gs_alloc_struct(mem, gs_font, gs_object_type(mem, pfont),
+			     "gs_makefont");
+    if (!pf_out)
+	return_error(gs_error_VMerror);
+    memcpy(pf_out, pfont, gs_object_size(mem, pfont));
+    pf_out->FontMatrix = newmat;
+    pf_out->client_data = 0;
+    pf_out->dir = pdir;
+    pf_out->base = pfont->base;
+    *ppfont = pf_out;
+    code = (*pf_out->procs.make_font) (pdir, pfont, pmat, ppfont);
+    if (code < 0)
+	return code;
+    if (can_cache) {
+	if (pdir->ssize >= pdir->smax && prev != 0) {	/*
+							 * We must discard a cached scaled font.
+							 * prev points to the last (oldest) font.
+							 * (We can't free it, because there might be
+							 * other references to it.)
+							 */
+	    if_debug1('m', "[m]discarding font 0x%lx\n",
+		      (ulong) prev);
+	    if (prev->prev != 0)
+		prev->prev->next = 0;
+	    else
+		pdir->scaled_fonts = 0;
+	    pdir->ssize--;
+	    prev->prev = 0;
+	    if (prev->FontType != ft_composite) {
+		if_debug1('m', "[m]discarding UID 0x%lx\n",
+			  (ulong) ((gs_font_base *) prev)->
+			  UID.xvalues);
+		uid_free(&((gs_font_base *) prev)->UID,
+			 prev->memory,
+			 "gs_makefont(discarding)");
+		uid_set_invalid(&((gs_font_base *) prev)->UID);
+	    }
+	}
+	pdir->ssize++;
+	link_first(pdir->scaled_fonts, pf_out);
+    } else {			/* Prevent garbage pointers. */
+	pf_out->next = pf_out->prev = 0;
+    }
+    if_debug2('m', "[m]new font=0x%lx can_cache=%s\n",
+	      (ulong) * ppfont, (can_cache ? "true" : "false"));
+    return 1;
+#undef pbfont
+}
+/* Default (vacuous) makefont handler. */
+int
+gs_no_make_font(gs_font_dir * pdir, const gs_font * pfont,
+		const gs_matrix * pmat, gs_font ** ppfont)
+{
+    return 0;
+}
+/* Makefont handler for base fonts, which must copy the XUID. */
+int
+gs_base_make_font(gs_font_dir * pdir, const gs_font * pfont,
+		  const gs_matrix * pmat, gs_font ** ppfont)
+{
+#define pbfont ((gs_font_base *)*ppfont)
+    if (uid_is_XUID(&pbfont->UID)) {
+	uint xsize = uid_XUID_size(&pbfont->UID);
+	long *xvalues = (long *)
+	gs_alloc_byte_array(pbfont->memory, xsize, sizeof(long),
+			    "gs_base_make_font(XUID)");
+
+	if (xvalues == 0)
+	    return_error(gs_error_VMerror);
+	memcpy(xvalues, uid_XUID_values(&pbfont->UID),
+	       xsize * sizeof(long));
+
+	pbfont->UID.xvalues = xvalues;
+    }
+#undef pbfont
+    return 0;
+}
+
+/* Set the current font.  This is provided only for the benefit of cshow, */
+/* which must reset the current font without disturbing the root font. */
+void
+gs_set_currentfont(gs_state * pgs, gs_font * pfont)
+{
+    pgs->font = pfont;
+    pgs->char_tm_valid = false;
+}
+
+/* setfont */
+int
+gs_setfont(gs_state * pgs, gs_font * pfont)
+{
+    pgs->font = pgs->root_font = pfont;
+    pgs->char_tm_valid = false;
+    return 0;
+}
+
+/* currentfont */
+gs_font *
+gs_currentfont(const gs_state * pgs)
+{
+    return pgs->font;
+}
+
+/* rootfont */
+gs_font *
+gs_rootfont(const gs_state * pgs)
+{
+    return pgs->root_font;
+}
+
+/* cachestatus */
+void
+gs_cachestatus(register const gs_font_dir * pdir, register uint pstat[7])
+{
+    pstat[0] = pdir->ccache.bsize;
+    pstat[1] = pdir->ccache.bmax;
+    pstat[2] = pdir->fmcache.msize;
+    pstat[3] = pdir->fmcache.mmax;
+    pstat[4] = pdir->ccache.csize;
+    pstat[5] = pdir->ccache.cmax;
+    pstat[6] = pdir->ccache.upper;
+}
+
+/* setcacheparams */
+int
+gs_setcachesize(gs_font_dir * pdir, uint size)
+{				/* This doesn't delete anything from the cache yet. */
+    pdir->ccache.bmax = size;
+    return 0;
+}
+int
+gs_setcachelower(gs_font_dir * pdir, uint size)
+{
+    pdir->ccache.lower = size;
+    return 0;
+}
+int
+gs_setcacheupper(gs_font_dir * pdir, uint size)
+{
+    pdir->ccache.upper = size;
+    return 0;
+}
+
+/* currentcacheparams */
+uint
+gs_currentcachesize(const gs_font_dir * pdir)
+{
+    return pdir->ccache.bmax;
+}
+uint
+gs_currentcachelower(const gs_font_dir * pdir)
+{
+    return pdir->ccache.lower;
+}
+uint
+gs_currentcacheupper(const gs_font_dir * pdir)
+{
+    return pdir->ccache.upper;
+}
+
+/* Purge a font from all font- and character-related tables. */
+/* This is only used by restore (and, someday, the GC). */
+void
+gs_purge_font(gs_font * pfont)
+{
+    gs_font_dir *pdir = pfont->dir;
+    gs_font *pf;
+
+    /* Remove the font from its list (orig_fonts or scaled_fonts). */
+    gs_font *prev = pfont->prev;
+    gs_font *next = pfont->next;
+
+    if (next != 0)
+	next->prev = prev, pfont->next = 0;
+    if (prev != 0)
+	prev->next = next, pfont->prev = 0;
+    else if (pdir->orig_fonts == pfont)
+	pdir->orig_fonts = next;
+    else if (pdir->scaled_fonts == pfont)
+	pdir->scaled_fonts = next;
+    else {			/* Shouldn't happen! */
+	lprintf1("purged font 0x%lx not found\n", (ulong) pfont);
+    }
+
+    /* Purge the font from the scaled font cache. */
+    for (pf = pdir->scaled_fonts; pf != 0;) {
+	if (pf->base == pfont) {
+	    gs_purge_font(pf);
+	    pf = pdir->scaled_fonts;	/* start over */
+	} else
+	    pf = pf->next;
+    }
+
+    /* Purge the font from the font/matrix pair cache, */
+    /* including all cached characters rendered with that font. */
+    gs_purge_font_from_char_caches(pdir, pfont);
+
+}
diff --git a/pstoraster/gsfont.h b/pstoraster/gsfont.h
new file mode 100644
index 000000000..8674d82e2
--- /dev/null
+++ b/pstoraster/gsfont.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 1989, 1993, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmatrix.h */
+
+#ifndef gsfont_INCLUDED
+#  define gsfont_INCLUDED
+
+/* A 'font directory' object (to avoid making fonts global). */
+/* 'directory' is something of a misnomer: this structure */
+/* just keeps track of the defined fonts, and the scaled font and */
+/* rendered character caches. */
+#ifndef gs_font_dir_DEFINED
+#  define gs_font_dir_DEFINED
+typedef struct gs_font_dir_s gs_font_dir;
+
+#endif
+
+/* Font objects */
+#ifndef gs_font_DEFINED
+#  define gs_font_DEFINED
+typedef struct gs_font_s gs_font;
+
+#endif
+
+/* Initialization */
+/* These procedures return 0 if they fail. */
+gs_font_dir *gs_font_dir_alloc2(P2(gs_memory_t * struct_mem,
+				   gs_memory_t * bits_mem));
+gs_font_dir *gs_font_dir_alloc2_limits(P7(gs_memory_t * struct_mem,
+					  gs_memory_t * bits_mem,
+					  uint smax, uint bmax, uint mmax,
+					  uint cmax, uint upper));
+
+/* Backward compatibility */
+#define gs_font_dir_alloc(mem) gs_font_dir_alloc2(mem, mem)
+#define gs_font_dir_alloc_limits(mem, smax, bmax, mmax, cmax, upper)\
+  gs_font_dir_alloc2_limits(mem, mem, smax, bmax, mmax, cmax, upper)
+
+/* Font manipulations */
+/* Use gs_definefont only with original (unscaled) fonts! */
+int gs_definefont(P2(gs_font_dir *, gs_font *));
+
+/* gs_scalefont and gs_makefont return 0 if the scaled font */
+/* was already in the cache, 1 if a new font was created. */
+int gs_scalefont(P4(gs_font_dir *, const gs_font *, floatp, gs_font **));
+int gs_makefont(P4(gs_font_dir *, const gs_font *, const gs_matrix *, gs_font **));
+int gs_setfont(P2(gs_state *, gs_font *));
+gs_font *gs_currentfont(P1(const gs_state *));
+gs_font *gs_rootfont(P1(const gs_state *));
+void gs_set_currentfont(P2(gs_state *, gs_font *));
+void gs_purge_font(P1(gs_font *));
+
+/* Font cache parameter operations */
+void gs_cachestatus(P2(const gs_font_dir *, uint[7]));
+
+#define gs_setcachelimit(pdir,limit) gs_setcacheupper(pdir,limit)
+uint gs_currentcachesize(P1(const gs_font_dir *));
+int gs_setcachesize(P2(gs_font_dir *, uint));
+uint gs_currentcachelower(P1(const gs_font_dir *));
+int gs_setcachelower(P2(gs_font_dir *, uint));
+uint gs_currentcacheupper(P1(const gs_font_dir *));
+int gs_setcacheupper(P2(gs_font_dir *, uint));
+
+#endif /* gsfont_INCLUDED */
diff --git a/pstoraster/gsfont0.c b/pstoraster/gsfont0.c
new file mode 100644
index 000000000..95ca444b7
--- /dev/null
+++ b/pstoraster/gsfont0.c
@@ -0,0 +1,136 @@
+/* Copyright (C) 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Composite font operations for Ghostscript library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gsmatrix.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxchar.h"
+#include "gxfcache.h"		/* gs_font_dir */
+#include "gxfont.h"
+#include "gxfont0.h"
+
+/* Structure descriptor */
+private struct_proc_enum_ptrs(font_type0_enum_ptrs);
+private struct_proc_reloc_ptrs(font_type0_reloc_ptrs);
+
+public_st_gs_font_type0();
+#define pfont ((gs_font_type0 *)vptr)
+private 
+ENUM_PTRS_BEGIN(font_type0_enum_ptrs) ENUM_PREFIX(st_gs_font, gs_type0_data_max_ptrs);
+
+ENUM_PTR(0, gs_font_type0, data.Encoding);
+ENUM_PTR(1, gs_font_type0, data.FDepVector);
+case 2:
+switch (pfont->data.FMapType)
+{
+    case fmap_SubsVector:
+ENUM_RETURN_CONST_STRING_PTR(gs_font_type0,
+			     data.SubsVector);
+    case fmap_CMap:
+ENUM_RETURN_PTR(gs_font_type0, data.CMap);
+    default:
+ENUM_RETURN(0);
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(font_type0_reloc_ptrs) RELOC_PREFIX(st_gs_font);
+RELOC_PTR(gs_font_type0, data.Encoding);
+RELOC_PTR(gs_font_type0, data.FDepVector);
+switch (pfont->data.FMapType)
+{
+    case fmap_SubsVector:
+RELOC_CONST_STRING_PTR(gs_font_type0, data.SubsVector);
+break;
+    case fmap_CMap:
+RELOC_PTR(gs_font_type0, data.CMap);
+break;
+    default:
+;
+}
+RELOC_PTRS_END
+#undef pfont
+
+/* Adjust a composite font by concatenating a given matrix */
+/* to the FontMatrix of all descendant composite fonts. */
+private int
+gs_type0_adjust_matrix(gs_font_dir * pdir, gs_font_type0 * pfont,
+		       const gs_matrix * pmat)
+{
+    gs_font **pdep = pfont->data.FDepVector;
+    uint fdep_size = pfont->data.fdep_size;
+    gs_font **ptdep;
+    uint i;
+
+    /* Check for any descendant composite fonts. */
+    for (i = 0; i < fdep_size; i++)
+	if (pdep[i]->FontType == ft_composite)
+	    break;
+    if (i == fdep_size)
+	return 0;
+    ptdep = gs_alloc_struct_array(pfont->memory, fdep_size, gs_font *,
+				  &st_gs_font_ptr_element,
+				  "gs_type0_adjust_font(FDepVector)");
+    if (ptdep == 0)
+	return_error(gs_error_VMerror);
+    memcpy(ptdep, pdep, sizeof(gs_font *) * fdep_size);
+    for (; i < fdep_size; i++)
+	if (pdep[i]->FontType == ft_composite) {
+	    int code = gs_makefont(pdir, pdep[i], pmat, &ptdep[i]);
+
+	    if (code < 0)
+		return code;
+	}
+    pfont->data.FDepVector = ptdep;
+    return 0;
+}
+
+/* Finish defining a composite font, */
+/* by adjusting its descendants' FontMatrices. */
+int
+gs_type0_define_font(gs_font_dir * pdir, gs_font * pfont)
+{
+    const gs_matrix *pmat = &pfont->FontMatrix;
+
+    /* Check for the identity matrix, which is common in root fonts. */
+    if (pmat->xx == 1.0 && pmat->yy == 1.0 &&
+	pmat->xy == 0.0 && pmat->yx == 0.0 &&
+	pmat->tx == 0.0 && pmat->ty == 0.0
+	)
+	return 0;
+    return gs_type0_adjust_matrix(pdir, (gs_font_type0 *) pfont, pmat);
+}
+
+/* Finish scaling a composite font similarly. */
+int
+gs_type0_make_font(gs_font_dir * pdir, const gs_font * pfont,
+		   const gs_matrix * pmat, gs_font ** ppfont)
+{
+    return gs_type0_adjust_matrix(pdir, (gs_font_type0 *) * ppfont, pmat);
+}
diff --git a/pstoraster/gsfunc.c b/pstoraster/gsfunc.c
new file mode 100644
index 000000000..f0c438c9e
--- /dev/null
+++ b/pstoraster/gsfunc.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic Function support */
+#include "gx.h"
+#include "gserrors.h"
+#include "gxfunc.h"
+
+/* GC descriptor */
+public_st_function();
+
+/* Generic free_params implementation. */
+void
+fn_common_free_params(gs_function_params_t * params, gs_memory_t * mem)
+{
+    gs_free_object(mem, (void *)params->Range, "Range");	/* break const */
+    gs_free_object(mem, (void *)params->Domain, "Domain");	/* break const */
+}
+
+/* Generic free implementation. */
+void
+fn_common_free(gs_function_t * pfn, bool free_params, gs_memory_t * mem)
+{
+    if (free_params)
+	gs_function_free_params(pfn, mem);
+    gs_free_object(mem, pfn, "fn_xxx_free");
+}
+
+/* Free an array of subsidiary Functions. */
+void
+fn_free_functions(gs_function_t ** Functions, int count, gs_memory_t * mem)
+{
+    int i;
+
+    for (i = count; --i >= 0;)
+	gs_function_free(Functions[i], true, mem);
+    gs_free_object(mem, Functions, "Functions");
+}
+
+/* Check the values of m, n, Domain, and (if supplied) Range. */
+int
+fn_check_mnDR(const gs_function_params_t * params, int m, int n)
+{
+    int i;
+
+    if (m <= 0 || n <= 0)
+	return_error(gs_error_rangecheck);
+    for (i = 0; i < m; ++i)
+	if (params->Domain[2 * i] > params->Domain[2 * i + 1])
+	    return_error(gs_error_rangecheck);
+    if (params->Range != 0)
+	for (i = 0; i < n; ++i)
+	    if (params->Range[2 * i] > params->Range[2 * i + 1])
+		return_error(gs_error_rangecheck);
+    return 0;
+}
diff --git a/pstoraster/gsfunc.h b/pstoraster/gsfunc.h
new file mode 100644
index 000000000..e621918e3
--- /dev/null
+++ b/pstoraster/gsfunc.h
@@ -0,0 +1,136 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic definitions for Functions */
+
+#ifndef gsfunc_INCLUDED
+#  define gsfunc_INCLUDED
+
+/* ---------------- Types and structures ---------------- */
+
+/*
+ * gs_function_type_t is defined as equivalent to int, rather than as an
+ * enum type, because we can't enumerate all its possible values here in the
+ * generic definitions.
+ */
+typedef int gs_function_type_t;
+
+/*
+ * Define information common to all Function types.
+ * We separate the private part from the parameters so that
+ * clients can create statically initialized parameter structures.
+ */
+#define gs_function_params_common\
+    int m;			/* # of inputs */\
+    const float *Domain;	/* 2 x m */\
+    int n;			/* # of outputs */\
+    const float *Range		/* 2 x n, optional except for type 0 */
+
+/* Define a generic function, for use as the target type of pointers. */
+typedef struct gs_function_params_s {
+    gs_function_params_common;
+} gs_function_params_t;
+typedef struct gs_function_s gs_function_t;
+typedef int (*fn_evaluate_proc_t)(P3(const gs_function_t * pfn,
+				     const float *in, float *out));
+typedef int (*fn_is_monotonic_proc_t)(P4(const gs_function_t * pfn,
+					 const float *lower,
+					 const float *upper,
+					 bool must_know));
+typedef void (*fn_free_params_proc_t)(P2(gs_function_params_t * params,
+					 gs_memory_t * mem));
+typedef void (*fn_free_proc_t)(P3(gs_function_t * pfn,
+				  bool free_params, gs_memory_t * mem));
+typedef struct gs_function_head_s {
+    gs_function_type_t type;
+    fn_evaluate_proc_t evaluate;
+    fn_is_monotonic_proc_t is_monotonic;
+    fn_free_params_proc_t free_params;
+    fn_free_proc_t free;
+} gs_function_head_t;
+struct gs_function_s {
+    gs_function_head_t head;
+    gs_function_params_t params;
+};
+
+#define FunctionType(pfn) ((pfn)->head.type)
+
+/*
+ * Each specific function type has a definition in its own header file
+ * for its parameter record.  In order to keep names from overflowing
+ * various compilers' limits, we take the name of the function type and
+ * reduce it to the first and last letter of each word, e.g., for
+ * Sampled functions, XxYy is Sd.
+
+typedef struct gs_function_XxYy_params_s {
+     gs_function_params_common;
+    << P additional members >>
+} gs_function_XxYy_params_t;
+#define private_st_function_XxYy()\
+  gs_private_st_suffix_addP(st_function_XxYy, gs_function_XxYy_t,\
+    "gs_function_XxYy_t", function_XxYy_enum_ptrs, function_XxYy_reloc_ptrs,\
+    st_function, <<params.additional_members>>)
+
+ */
+
+/* ---------------- Procedures ---------------- */
+
+/*
+ * Each specific function type has a pair of procedures in its own
+ * header file, one to allocate and initialize an instance of that type,
+ * and one to free the parameters of that type.
+
+int gs_function_XxYy_init(P3(gs_function_t **ppfn,
+			     const gs_function_XxYy_params_t *params,
+			     gs_memory_t *mem));
+
+void gs_function_XxYy_free_params(P2(gs_function_XxYy_params_t *params,
+				     gs_memory_t *mem));
+
+ */
+
+/* Evaluate a function. */
+#define gs_function_evaluate(pfn, in, out)\
+  (*(pfn)->head.evaluate)(pfn, in, out)
+
+/*
+ * Test whether a function is monotonic on a given (closed) interval.  If
+ * must_know is true, returns 0 for false, 1 for true, gs_error_rangecheck
+ * if any part of the interval is outside the function's domain; if
+ * must_know is false, may also return gs_error_undefined to mean "can't
+ * determine quickly".  If lower[i] > upper[i], the result is not defined.
+ */
+#define gs_function_is_monotonic(pfn, lower, upper, must_know)\
+  (*(pfn)->head.is_monotonic)(pfn, lower, upper, must_know)
+
+/* Free function parameters. */
+#define gs_function_free_params(pfn, mem)\
+  (*(pfn)->head.free_params)(&(pfn)->params, mem)
+
+/* Free a function's implementation, optionally including its parameters. */
+#define gs_function_free(pfn, free_params, mem)\
+  (*(pfn)->head.free)(pfn, free_params, mem)
+
+#endif /* gsfunc_INCLUDED */
diff --git a/pstoraster/gsfunc0.c b/pstoraster/gsfunc0.c
new file mode 100644
index 000000000..645426606
--- /dev/null
+++ b/pstoraster/gsfunc0.c
@@ -0,0 +1,347 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation of FunctionType 0 (Sampled) Functions */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsfunc0.h"
+#include "gxfarith.h"
+#include "gxfunc.h"
+
+typedef struct gs_function_Sd_s {
+    gs_function_head_t head;
+    gs_function_Sd_params_t params;
+} gs_function_Sd_t;
+
+private_st_function_Sd();
+
+/* Define the maximum plausible number of inputs and outputs */
+/* for a Sampled function. */
+#define max_Sd_m 16
+#define max_Sd_n 16
+
+/* Get one set of sample values. */
+#define SETUP_SAMPLES(bps, nbytes)\
+	int n = pfn->params.n;\
+	byte buf[max_Sd_n * ((bps + 7) >> 3)];\
+	const byte *p;\
+	int i;\
+\
+	data_source_access(&pfn->params.DataSource, offset >> 3,\
+			   nbytes, buf, &p)
+
+private int
+fn_gets_1(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(1, ((offset & 7) + n + 7) >> 3);
+    for (i = 0; i < n; ++i) {
+	samples[i] = (*p >> (~offset & 7)) & 1;
+	if (!(++offset & 7))
+	    p++;
+    }
+    return 0;
+}
+private int
+fn_gets_2(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(2, (((offset & 7) >> 1) + n + 3) >> 2);
+    for (i = 0; i < n; ++i) {
+	samples[i] = (*p >> (6 - (offset & 7))) & 3;
+	if (!((offset += 2) & 7))
+	    p++;
+    }
+    return 0;
+}
+private int
+fn_gets_4(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(4, (((offset & 7) >> 2) + n + 1) >> 1);
+    for (i = 0; i < n; ++i) {
+	samples[i] = (offset & 4 ? *p++ & 0xf : *p >> 4);
+    }
+    return 0;
+}
+private int
+fn_gets_8(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(8, n);
+    for (i = 0; i < n; ++i) {
+	samples[i] = *p++;
+    }
+    return 0;
+}
+private int
+fn_gets_12(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(12, (((offset & 7) >> 2) + 3 * n + 1) >> 1);
+    for (i = 0; i < n; ++i) {
+	if (offset & 4)
+	    samples[i] = ((*p & 0xf) << 8) + p[1], p += 2;
+	else
+	    samples[i] = (*p << 4) + (p[1] >> 4), p++;
+	offset ^= 4;
+    }
+    return 0;
+}
+private int
+fn_gets_16(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(16, n * 2);
+    for (i = 0; i < n; ++i) {
+	samples[i] = (*p << 8) + p[1];
+	p += 2;
+    }
+    return 0;
+}
+private int
+fn_gets_24(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(24, n * 3);
+    for (i = 0; i < n; ++i) {
+	samples[i] = (*p << 16) + (p[1] << 8) + p[2];
+	p += 3;
+    }
+    return 0;
+}
+private int
+fn_gets_32(const gs_function_Sd_t * pfn, ulong offset, uint * samples)
+{
+    SETUP_SAMPLES(32, n * 4);
+    for (i = 0; i < n; ++i) {
+	samples[i] = (*p << 24) + (p[1] << 16) + (p[2] << 8) + p[3];
+	p += 4;
+    }
+    return 0;
+}
+
+private int (*const fn_get_samples[]) (P3(const gs_function_Sd_t * pfn,
+					  ulong offset, uint * samples)) =
+{
+    0, fn_gets_1, fn_gets_2, 0, fn_gets_4, 0, 0, 0,
+	fn_gets_8, 0, 0, 0, fn_gets_12, 0, 0, 0,
+	fn_gets_16, 0, 0, 0, 0, 0, 0, 0,
+	fn_gets_24, 0, 0, 0, 0, 0, 0, 0,
+	fn_gets_32
+};
+
+/* Calculate a result by multilinear interpolation. */
+private void
+fn_interpolate_linear(const gs_function_Sd_t *pfn, const float *fparts,
+		 const ulong *factors, float *samples, ulong offset, int m)
+{
+    int j;
+
+top:
+    if (m == 0) {
+	uint sdata[max_Sd_n];
+
+	(*fn_get_samples[pfn->params.BitsPerSample])(pfn, offset, sdata);
+	for (j = pfn->params.n - 1; j >= 0; --j)
+	    samples[j] = sdata[j];
+    } else {
+	float fpart = *fparts++;
+	float samples1[max_Sd_n];
+
+	if (is_fzero(fpart)) {
+	    ++factors;
+	    --m;
+	    goto top;
+	}
+	fn_interpolate_linear(pfn, fparts, factors + 1, samples,
+			      offset, m - 1);
+	fn_interpolate_linear(pfn, fparts, factors + 1, samples1,
+			      offset + *factors, m - 1);
+	for (j = pfn->params.n - 1; j >= 0; --j)
+	    samples[j] += (samples1[j] - samples[j]) * fpart;
+    }
+}
+
+/* Evaluate a Sampled function. */
+private int
+fn_Sd_evaluate(const gs_function_t * pfn_common, const float *in, float *out)
+{
+    const gs_function_Sd_t *pfn = (const gs_function_Sd_t *)pfn_common;
+    int bps = pfn->params.BitsPerSample;
+    ulong offset = 0;
+    int i;
+    float encoded[max_Sd_m];
+    ulong factors[max_Sd_m];
+    float samples[max_Sd_n];
+
+    /* Encode the input values. */
+
+    for (i = 0; i < pfn->params.m; ++i) {
+	float d0 = pfn->params.Domain[2 * i],
+	    d1 = pfn->params.Domain[2 * i + 1];
+	float arg = in[i], enc;
+
+	if (arg < d0)
+	    arg = d0;
+	else if (arg > d1)
+	    arg = d1;
+	if (pfn->params.Encode) {
+	    float e0 = pfn->params.Encode[2 * i];
+	    float e1 = pfn->params.Encode[2 * i + 1];
+
+	    enc = (arg - d0) * (e1 - e0) / (d1 - d0) + e0;
+	    if (enc < 0)
+		encoded[i] = 0;
+	    else if (enc >= pfn->params.Size[i] - 1)
+		encoded[i] = pfn->params.Size[i] - 1;
+	    else
+		encoded[i] = enc;
+	} else {
+	    /* arg is guaranteed to be in bounds, ergo so is enc */
+	    encoded[i] = (arg - d0) * (pfn->params.Size[i] - 1) / (d1 - d0);
+	}
+    }
+
+    /* Look up and interpolate the output values. */
+
+    {
+	ulong factor = bps * pfn->params.n;
+
+	for (i = 0; i < pfn->params.m; factor *= pfn->params.Size[i++]) {
+	    int ipart = (int)encoded[i];
+
+	    offset += (factors[i] = factor) * ipart;
+	    encoded[i] -= ipart;
+	}
+    }
+    /****** LINEAR INTERPOLATION ONLY ******/
+    fn_interpolate_linear(pfn, encoded, factors, samples, offset,
+			  pfn->params.m);
+
+    /* Encode the output values. */
+
+    for (i = 0; i < pfn->params.n; offset += bps, ++i) {
+	float d0, d1, r0, r1, value;
+
+	if (pfn->params.Range)
+	    r0 = pfn->params.Range[2 * i], r1 = pfn->params.Range[2 * i + 1];
+	else
+	    r0 = 0, r1 = (1 << bps) - 1;
+	if (pfn->params.Decode)
+	    d0 = pfn->params.Decode[2 * i], d1 = pfn->params.Decode[2 * i + 1];
+	else
+	    d0 = r0, d1 = r1;
+
+	value = samples[i] * (d1 - d0) / ((1 << bps) - 1) + d0;
+	if (value < r0)
+	    out[i] = r0;
+	else if (value > r1)
+	    out[i] = r1;
+	else
+	    out[i] = value;
+    }
+
+    return 0;
+}
+
+/* Test whether a Sampled function is monotonic. */
+/* Since this can be very time-consuming, we only do it if necessary. */
+private int
+fn_Sd_is_monotonic(const gs_function_t * pfn_common,
+		   const float *lower, const float *upper, bool must_know)
+{
+    if (!must_know)
+	return gs_error_undefined;	/* don't know */
+/****** NYI ******/
+    return gs_error_undefined;
+}
+
+/* Free the parameters of a Sampled function. */
+void
+gs_function_Sd_free_params(gs_function_Sd_params_t * params, gs_memory_t * mem)
+{
+    gs_free_object(mem, (void *)params->Size, "Size");	/* break const */
+    gs_free_object(mem, (void *)params->Decode, "Decode");	/* break const */
+    gs_free_object(mem, (void *)params->Encode, "Encode");	/* break const */
+    fn_common_free_params((gs_function_params_t *) params, mem);
+}
+
+/* Allocate and initialize a Sampled function. */
+int
+gs_function_Sd_init(gs_function_t ** ppfn,
+		  const gs_function_Sd_params_t * params, gs_memory_t * mem)
+{
+    static const gs_function_head_t function_Sd_head =
+    {
+	function_type_Sampled,
+	(fn_evaluate_proc_t) fn_Sd_evaluate,
+	(fn_is_monotonic_proc_t) fn_Sd_is_monotonic,
+	(fn_free_params_proc_t) gs_function_Sd_free_params,
+	fn_common_free
+    };
+    int code;
+    int i;
+
+    *ppfn = 0;			/* in case of error */
+    code = fn_check_mnDR((const gs_function_params_t *)params,
+			 params->m, params->n);
+    if (code < 0)
+	return code;
+    if (params->m > max_Sd_m)
+	return_error(gs_error_limitcheck);
+    switch (params->Order) {
+	case 0:		/* use default */
+	case 1:
+	case 3:
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    switch (params->BitsPerSample) {
+	case 1:
+	case 2:
+	case 4:
+	case 8:
+	case 12:
+	case 16:
+	case 24:
+	case 32:
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    for (i = 0; i < params->m; ++i)
+	if (params->Size[i] <= 0)
+	    return_error(gs_error_rangecheck);
+    {
+	gs_function_Sd_t *pfn =
+	gs_alloc_struct(mem, gs_function_Sd_t, &st_function_Sd,
+			"gs_function_Sd_init");
+
+	if (pfn == 0)
+	    return_error(gs_error_VMerror);
+	pfn->params = *params;
+	if (params->Order == 0)
+	    pfn->params.Order = 1;	/* default */
+	pfn->head = function_Sd_head;
+	*ppfn = (gs_function_t *) pfn;
+    }
+    return 0;
+}
diff --git a/pstoraster/gsfunc0.h b/pstoraster/gsfunc0.h
new file mode 100644
index 000000000..b423e0fa2
--- /dev/null
+++ b/pstoraster/gsfunc0.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for FunctionType 0 (Sampled) Functions */
+
+#ifndef gsfunc0_INCLUDED
+#  define gsfunc0_INCLUDED
+
+#include "gsfunc.h"
+#include "gsdsrc.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/* Define the Function type. */
+#define function_type_Sampled 0
+
+/* Define Sampled functions. */
+typedef struct gs_function_Sd_params_s {
+    gs_function_params_common;
+    int Order;			/* 1 or 3, optional */
+    gs_data_source_t DataSource;
+    int BitsPerSample;		/* 1, 2, 4, 8, 12, 16, 24, 32 */
+    const float *Encode;	/* 2 x m, optional */
+    const float *Decode;	/* 2 x n, optional */
+    const int *Size;		/* m */
+} gs_function_Sd_params_t;
+
+#define private_st_function_Sd()	/* in gsfunc.c */\
+  gs_private_st_suffix_add3(st_function_Sd, gs_function_Sd_t,\
+    "gs_function_Sd_t", function_Sd_enum_ptrs, function_Sd_reloc_ptrs,\
+    st_function, params.Encode, params.Decode, params.Size)
+
+/* ---------------- Procedures ---------------- */
+
+/* Allocate and initialize a Sampled function. */
+int gs_function_Sd_init(P3(gs_function_t ** ppfn,
+			   const gs_function_Sd_params_t * params,
+			   gs_memory_t * mem));
+
+/* Free the parameters of a Sampled function. */
+void gs_function_Sd_free_params(P2(gs_function_Sd_params_t * params,
+				   gs_memory_t * mem));
+
+#endif /* gsfunc0_INCLUDED */
diff --git a/pstoraster/gsfunc3.c b/pstoraster/gsfunc3.c
new file mode 100644
index 000000000..6e7e1d978
--- /dev/null
+++ b/pstoraster/gsfunc3.c
@@ -0,0 +1,361 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation of LL3 Functions */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsfunc3.h"
+#include "gxfunc.h"
+
+/* ---------------- Exponential Interpolation functions ---------------- */
+
+typedef struct gs_function_ElIn_s {
+    gs_function_head_t head;
+    gs_function_ElIn_params_t params;
+} gs_function_ElIn_t;
+
+private_st_function_ElIn();
+
+/* Evaluate an Exponential Interpolation function. */
+private int
+fn_ElIn_evaluate(const gs_function_t * pfn_common, const float *in, float *out)
+{
+    const gs_function_ElIn_t *const pfn =
+    (const gs_function_ElIn_t *)pfn_common;
+    double arg = in[0], raised;
+    int i;
+
+    if (arg < pfn->params.Domain[0])
+	arg = pfn->params.Domain[0];
+    else if (arg > pfn->params.Domain[1])
+	arg = pfn->params.Domain[1];
+    raised = pow(arg, pfn->params.N);
+    for (i = 0; i < pfn->params.n; ++i) {
+	float v0 = (pfn->params.C0 == 0 ? 0.0 : pfn->params.C0[i]);
+	float v1 = (pfn->params.C1 == 0 ? 1.0 : pfn->params.C1[i]);
+	double value = v0 + raised * (v1 - v0);
+
+	if (pfn->params.Range) {
+	    float r0 = pfn->params.Range[2 * i],
+		r1 = pfn->params.Range[2 * i + 1];
+
+	    if (value < r0)
+		value = r0;
+	    else if (value > r1)
+		value = r1;
+	}
+	out[i] = value;
+    }
+    return 0;
+}
+
+/* Test whether an Exponential function is monotonic.  (They always are.) */
+private int
+fn_ElIn_is_monotonic(const gs_function_t * pfn_common,
+		     const float *lower, const float *upper, bool must_know)
+{
+    const gs_function_ElIn_t *const pfn =
+	(const gs_function_ElIn_t *)pfn_common;
+
+    if (lower[0] > pfn->params.Domain[1] ||
+	upper[0] < pfn->params.Domain[0]
+	)
+	return_error(gs_error_rangecheck);
+    return 1;
+}
+
+/* Free the parameters of an Exponential Interpolation function. */
+void
+gs_function_ElIn_free_params(gs_function_ElIn_params_t * params,
+			     gs_memory_t * mem)
+{
+    gs_free_object(mem, (void *)params->C1, "C1");	/* break const */
+    gs_free_object(mem, (void *)params->C0, "C0");	/* break const */
+    fn_common_free_params((gs_function_params_t *) params, mem);
+}
+
+/* Allocate and initialize an Exponential Interpolation function. */
+int
+gs_function_ElIn_init(gs_function_t ** ppfn,
+		      const gs_function_ElIn_params_t * params,
+		      gs_memory_t * mem)
+{
+    static const gs_function_head_t function_ElIn_head =
+    {
+	function_type_ExponentialInterpolation,
+	(fn_evaluate_proc_t) fn_ElIn_evaluate,
+	(fn_is_monotonic_proc_t) fn_ElIn_is_monotonic,
+	(fn_free_params_proc_t) gs_function_ElIn_free_params,
+	fn_common_free
+    };
+    int code;
+
+    *ppfn = 0;			/* in case of error */
+    code = fn_check_mnDR((const gs_function_params_t *)params, 1, params->n);
+    if (code < 0)
+	return code;
+    if ((params->C0 == 0 || params->C1 == 0) && params->n != 1)
+	return_error(gs_error_rangecheck);
+    if (params->N != floor(params->N)) {
+	/* Non-integral exponent, all inputs must be non-negative. */
+	if (params->Domain[0] < 0)
+	    return_error(gs_error_rangecheck);
+    }
+    if (params->N < 0) {
+	/* Negative exponent, input must not be zero. */
+	if (params->Domain[0] <= 0 && params->Domain[1] >= 0)
+	    return_error(gs_error_rangecheck);
+    } {
+	gs_function_ElIn_t *pfn =
+	gs_alloc_struct(mem, gs_function_ElIn_t, &st_function_ElIn,
+			"gs_function_ElIn_init");
+
+	if (pfn == 0)
+	    return_error(gs_error_VMerror);
+	pfn->params = *params;
+	pfn->params.m = 1;
+	pfn->head = function_ElIn_head;
+	*ppfn = (gs_function_t *) pfn;
+    }
+    return 0;
+}
+
+/* ---------------- 1-Input Stitching functions ---------------- */
+
+typedef struct gs_function_1ItSg_s {
+    gs_function_head_t head;
+    gs_function_1ItSg_params_t params;
+} gs_function_1ItSg_t;
+
+private_st_function_1ItSg();
+
+/* Evaluate a 1-Input Stitching function. */
+private int
+fn_1ItSg_evaluate(const gs_function_t * pfn_common, const float *in, float *out)
+{
+    const gs_function_1ItSg_t *const pfn =
+    (const gs_function_1ItSg_t *)pfn_common;
+    float arg = in[0], b0, b1, e0, encoded;
+    int k = pfn->params.k;
+    int i;
+
+    if (arg < pfn->params.Domain[0]) {
+	arg = pfn->params.Domain[0];
+	i = 0;
+    } else if (arg > pfn->params.Domain[1]) {
+	arg = pfn->params.Domain[1];
+	i = k - 1;
+    } else {
+	for (i = 0; i < k - 1; ++i)
+	    if (arg <= pfn->params.Bounds[i])
+		break;
+    }
+    b0 = (i == 0 ? pfn->params.Domain[0] : pfn->params.Bounds[i - 1]);
+    b1 = (i == k - 1 ? pfn->params.Domain[1] : pfn->params.Bounds[i]);
+    e0 = pfn->params.Encode[2 * i];
+    encoded =
+	(arg - b0) * (pfn->params.Encode[2 * i + 1] - e0) / (b1 - b0) + e0;
+    return gs_function_evaluate(pfn->params.Functions[i], &encoded, out);
+}
+
+/* Test whether a 1-Input Stitching function is monotonic. */
+private int
+fn_1ItSg_is_monotonic(const gs_function_t * pfn_common,
+		      const float *lower, const float *upper, bool must_know)
+{
+    const gs_function_1ItSg_t *const pfn =
+    (const gs_function_1ItSg_t *)pfn_common;
+
+    if (lower[0] > pfn->params.Domain[1] ||
+	upper[0] < pfn->params.Domain[0]
+	)
+	return_error(gs_error_rangecheck);
+/****** NYI ******/
+    return gs_error_undefined;
+}
+
+/* Free the parameters of a 1-Input Stitching function. */
+void
+gs_function_1ItSg_free_params(gs_function_1ItSg_params_t * params,
+			      gs_memory_t * mem)
+{
+    gs_free_object(mem, (void *)params->Encode, "Encode");	/* break const */
+    gs_free_object(mem, (void *)params->Bounds, "Bounds");	/* break const */
+    fn_free_functions((gs_function_t **) params->Functions,	/* break const */
+		      params->k, mem);
+    fn_common_free_params((gs_function_params_t *) params, mem);
+}
+
+/* Allocate and initialize a 1-Input Stitching function. */
+int
+gs_function_1ItSg_init(gs_function_t ** ppfn,
+	       const gs_function_1ItSg_params_t * params, gs_memory_t * mem)
+{
+    static const gs_function_head_t function_1ItSg_head =
+    {
+	function_type_1InputStitching,
+	(fn_evaluate_proc_t) fn_1ItSg_evaluate,
+	(fn_is_monotonic_proc_t) fn_1ItSg_is_monotonic,
+	(fn_free_params_proc_t) gs_function_1ItSg_free_params,
+	fn_common_free
+    };
+    int n = (params->Range == 0 ? 0 : params->n);
+    float prev = params->Domain[0];
+    int i;
+
+    *ppfn = 0;			/* in case of error */
+    for (i = 0; i < params->k; ++i) {
+	const gs_function_t *psubfn = params->Functions[i];
+
+	if (psubfn->params.m != 1)
+	    return_error(gs_error_rangecheck);
+	if (n == 0)
+	    n = psubfn->params.n;
+	else if (psubfn->params.n != n)
+	    return_error(gs_error_rangecheck);
+	/* There are only k - 1 Bounds, not k. */
+	if (i < params->k - 1) {
+	    if (params->Bounds[i] <= prev)
+		return_error(gs_error_rangecheck);
+	    prev = params->Bounds[i];
+	}
+    }
+    if (params->Domain[1] < prev)
+	return_error(gs_error_rangecheck);
+    fn_check_mnDR((const gs_function_params_t *)params, 1, n);
+    {
+	gs_function_1ItSg_t *pfn =
+	gs_alloc_struct(mem, gs_function_1ItSg_t, &st_function_1ItSg,
+			"gs_function_1ItSg_init");
+
+	if (pfn == 0)
+	    return_error(gs_error_VMerror);
+	pfn->params = *params;
+	pfn->params.m = 1;
+	pfn->params.n = n;
+	pfn->head = function_1ItSg_head;
+	*ppfn = (gs_function_t *) pfn;
+    }
+    return 0;
+}
+
+/* ---------------- Arrayed Output functions ---------------- */
+
+typedef struct gs_function_AdOt_s {
+    gs_function_head_t head;
+    gs_function_AdOt_params_t params;
+} gs_function_AdOt_t;
+
+private_st_function_AdOt();
+
+/* Evaluate an Arrayed Output function. */
+private int
+fn_AdOt_evaluate(const gs_function_t * pfn_common, const float *in, float *out)
+{
+    const gs_function_AdOt_t *const pfn =
+    (const gs_function_AdOt_t *)pfn_common;
+    int i;
+
+    for (i = 0; i < pfn->params.n; ++i) {
+	int code =
+	gs_function_evaluate(pfn->params.Functions[i], in, out + i);
+
+	if (code < 0)
+	    return code;
+    }
+    return 0;
+}
+
+/* Test whether an Arrayed Output function is monotonic. */
+private int
+fn_AdOt_is_monotonic(const gs_function_t * pfn_common,
+		     const float *lower, const float *upper, bool must_know)
+{
+    const gs_function_AdOt_t *const pfn =
+    (const gs_function_AdOt_t *)pfn_common;
+    int i;
+
+    for (i = 0; i < pfn->params.n; ++i) {
+	int code =
+	gs_function_is_monotonic(pfn->params.Functions[i], lower, upper,
+				 must_know);
+
+	if (code <= 0)
+	    return code;
+    }
+    return 1;
+}
+
+/* Free the parameters of an Arrayed Output function. */
+void
+gs_function_AdOt_free_params(gs_function_AdOt_params_t * params,
+			     gs_memory_t * mem)
+{
+    fn_free_functions((gs_function_t **) params->Functions,	/* break const */
+		      params->n, mem);
+    fn_common_free_params((gs_function_params_t *) params, mem);
+}
+
+/* Allocate and initialize an Arrayed Output function. */
+int
+gs_function_AdOt_init(gs_function_t ** ppfn,
+		const gs_function_AdOt_params_t * params, gs_memory_t * mem)
+{
+    static const gs_function_head_t function_AdOt_head =
+    {
+	function_type_ArrayedOutput,
+	(fn_evaluate_proc_t) fn_AdOt_evaluate,
+	(fn_is_monotonic_proc_t) fn_AdOt_is_monotonic,
+	(fn_free_params_proc_t) gs_function_AdOt_free_params,
+	fn_common_free
+    };
+    int m = params->m, n = params->n;
+    int i;
+
+    *ppfn = 0;			/* in case of error */
+    if (m <= 0 || n <= 0)
+	return_error(gs_error_rangecheck);
+    for (i = 0; i < n; ++i) {
+	const gs_function_t *psubfn = params->Functions[i];
+
+	if (psubfn->params.m != m || psubfn->params.n != 1)
+	    return_error(gs_error_rangecheck);
+    }
+    {
+	gs_function_AdOt_t *pfn =
+	gs_alloc_struct(mem, gs_function_AdOt_t, &st_function_AdOt,
+			"gs_function_AdOt_init");
+
+	if (pfn == 0)
+	    return_error(gs_error_VMerror);
+	pfn->params = *params;
+	pfn->params.Domain = 0;
+	pfn->params.Range = 0;
+	pfn->head = function_AdOt_head;
+	*ppfn = (gs_function_t *) pfn;
+    }
+    return 0;
+}
diff --git a/pstoraster/gsfunc3.h b/pstoraster/gsfunc3.h
new file mode 100644
index 000000000..1a35a6564
--- /dev/null
+++ b/pstoraster/gsfunc3.h
@@ -0,0 +1,114 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for LL3 Functions */
+
+#ifndef gsfunc3_INCLUDED
+#  define gsfunc3_INCLUDED
+
+#include "gsfunc.h"
+#include "gsdsrc.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/*
+ * Define the Function types.
+ * See gsfunc.h for why gs_function_type_t can't be an enum type.
+ */
+enum {
+    function_type_ExponentialInterpolation = 2,
+    function_type_1InputStitching = 3,
+    /* For internal use only */
+    function_type_ArrayedOutput = -1
+};
+
+/* Define Exponential Interpolation functions. */
+typedef struct gs_function_ElIn_params_s {
+    gs_function_params_common;
+    const float *C0;		/* n, optional */
+    const float *C1;		/* n, optional */
+    float N;
+} gs_function_ElIn_params_t;
+
+#define private_st_function_ElIn()	/* in gsfunc.c */\
+  gs_private_st_suffix_add2(st_function_ElIn, gs_function_ElIn_t,\
+    "gs_function_ElIn_t", function_ElIn_enum_ptrs, function_ElIn_reloc_ptrs,\
+    st_function, params.C0, params.C1)
+
+/* Define 1-Input Stitching functions. */
+typedef struct gs_function_1ItSg_params_s {
+    gs_function_params_common;
+    int k;
+    const gs_function_t *const *Functions;	/* k */
+    const float *Bounds;	/* k - 1 */
+    const float *Encode;	/* 2 x k */
+} gs_function_1ItSg_params_t;
+
+#define private_st_function_1ItSg()	/* in gsfunc.c */\
+  gs_private_st_suffix_add3(st_function_1ItSg, gs_function_1ItSg_t,\
+    "gs_function_1ItSg_t", function_1ItSg_enum_ptrs, function_1ItSg_reloc_ptrs,\
+    st_function, params.Functions, params.Bounds, params.Encode)
+
+/*
+ * Define Arrayed Output functions.  These consist of n m x 1 functions
+ * whose outputs are assembled into the output of the arrayed function.
+ * We use them to handle certain PostScript constructs that can accept
+ * either a single n-output function or n 1-output functions.
+ *
+ * Note that for this type, and only this type, both Domain and Range
+ * are ignored (0).
+ */
+typedef struct gs_function_AdOt_params_s {
+    gs_function_params_common;
+    const gs_function_t *const *Functions;	/* n */
+} gs_function_AdOt_params_t;
+
+#define private_st_function_AdOt()	/* in gsfunc.c */\
+  gs_private_st_suffix_add1(st_function_AdOt, gs_function_AdOt_t,\
+    "gs_function_AdOt_t", function_AdOt_enum_ptrs, function_AdOt_reloc_ptrs,\
+    st_function, params.Functions)
+
+/* ---------------- Procedures ---------------- */
+
+/* Allocate and initialize functions of specific types. */
+int gs_function_ElIn_init(P3(gs_function_t ** ppfn,
+			     const gs_function_ElIn_params_t * params,
+			     gs_memory_t * mem));
+int gs_function_1ItSg_init(P3(gs_function_t ** ppfn,
+			      const gs_function_1ItSg_params_t * params,
+			      gs_memory_t * mem));
+int gs_function_AdOt_init(P3(gs_function_t ** ppfn,
+			     const gs_function_AdOt_params_t * params,
+			     gs_memory_t * mem));
+
+/* Free parameters of specific types. */
+void gs_function_ElIn_free_params(P2(gs_function_ElIn_params_t * params,
+				     gs_memory_t * mem));
+void gs_function_1ItSg_free_params(P2(gs_function_1ItSg_params_t * params,
+				      gs_memory_t * mem));
+void gs_function_AdOt_free_params(P2(gs_function_AdOt_params_t * params,
+				     gs_memory_t * mem));
+
+#endif /* gsfunc3_INCLUDED */
diff --git a/pstoraster/gsgc.h b/pstoraster/gsgc.h
new file mode 100644
index 000000000..56dc1482b
--- /dev/null
+++ b/pstoraster/gsgc.h
@@ -0,0 +1,91 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Library-level interface to garbage collector */
+
+/*
+ * This API is not strictly at the library level, since it references
+ * gs_ref_memory_t and the 4 PostScript memory spaces; however, the former
+ * concept already leaks into the library's standard allocator, and the
+ * latter is relatively small and harmless.
+ */
+
+#ifndef gsgc_INCLUDED
+#  define gsgc_INCLUDED
+
+/*
+ * Define the VM space numbers, in increasing order of dynamism.  Pointers
+ * from a higher-numbered space to the same or a lower-numbered space are
+ * always allowed, but not vice versa.  Foreign space (the most static) is
+ * internal, the rest are visible to the programmer; the index of foreign
+ * space must be 0, so that we don't have to set any space bits in scalar
+ * refs (PostScript objects).
+ */
+typedef enum {
+    i_vm_foreign = 0,		/* must be 0 */
+    i_vm_system,
+    i_vm_global,
+    i_vm_local,
+    i_vm_max = i_vm_local
+} i_vm_space;
+
+/* Define an array of allocators indexed by space. */
+#ifndef gs_ref_memory_DEFINED
+#  define gs_ref_memory_DEFINED
+typedef struct gs_ref_memory_s gs_ref_memory_t;
+
+#endif
+/*
+ * r_space_bits is only defined in PostScript interpreters, but if it is
+ * defined, we want to make sure it's 2.
+ */
+#ifdef r_space_bits
+#  if r_space_bits != 2
+Error_r_space_bits_is_not_2;
+#  endif
+#endif
+typedef union vm_spaces_s {
+    gs_ref_memory_t *indexed[4 /*1 << r_space_bits */ ];
+    struct _ssn {
+	gs_ref_memory_t *foreign;
+	gs_ref_memory_t *system;
+	gs_ref_memory_t *global;
+	gs_ref_memory_t *local;
+    } named;
+} vm_spaces;
+
+/* By convention, the vm_spaces member of structures, and local variables */
+/* of type vm_spaces, are named spaces. */
+#define space_foreign spaces.named.foreign
+#define space_system spaces.named.system
+#define space_global spaces.named.global
+#define space_local spaces.named.local
+
+/*
+ * Define the top-level entry to the garbage collector.
+ */
+void gs_reclaim(P2(vm_spaces * pspaces, bool global));
+
+#endif /* gsgc_INCLUDED */
diff --git a/pstoraster/gshsb.c b/pstoraster/gshsb.c
new file mode 100644
index 000000000..6bd5479de
--- /dev/null
+++ b/pstoraster/gshsb.c
@@ -0,0 +1,171 @@
+/* Copyright (C) 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* HSB color operators for Ghostscript library */
+#include "gx.h"
+#include "gscolor.h"
+#include "gshsb.h"		/* interface definition */
+#include "gxfrac.h"
+
+/* Forward references */
+private void color_hsb_to_rgb(P4(floatp h, floatp s, floatp b, float rgb[3]));
+private void color_rgb_to_hsb(P4(floatp r, floatp g, floatp b, float hsb[3]));
+
+/* Force a parameter into the range [0.0..1.0]. */
+#define force_unit(p) (p < 0.0 ? 0.0 : p > 1.0 ? 1.0 : p)
+
+/* sethsbcolor */
+int
+gs_sethsbcolor(gs_state * pgs, floatp h, floatp s, floatp b)
+{
+    float rgb[3];
+
+    color_hsb_to_rgb(force_unit(h), force_unit(s), force_unit(b), rgb);
+    return gs_setrgbcolor(pgs, rgb[0], rgb[1], rgb[2]);
+}
+
+/* currenthsbcolor */
+int
+gs_currenthsbcolor(const gs_state * pgs, float pr3[3])
+{
+    float rgb[3];
+
+    gs_currentrgbcolor(pgs, rgb);
+    color_rgb_to_hsb(rgb[0], rgb[1], rgb[2], pr3);
+    return 0;
+}
+
+/* ------ Internal routines ------ */
+
+/* Note: the color model conversion algorithms are taken from */
+/* Rogers, Procedural Elements for Computer Graphics, pp. 401-403. */
+
+/* Convert RGB to HSB. */
+private void
+color_rgb_to_hsb(floatp r, floatp g, floatp b, float hsb[3])
+{
+    frac red = float2frac(r), green = float2frac(g), blue = float2frac(b);
+
+#define rhue hsb[0]
+#define rsat hsb[1]
+#define rbri hsb[2]
+    if (red == green && green == blue) {
+	rhue = 0;		/* arbitrary */
+	rsat = 0;
+	rbri = r;		/* pick any one */
+    } else {			/* Convert rgb to hsb */
+	frac V, Temp, diff;
+	long H;
+
+	V = (red > green ? red : green);
+	if (blue > V)
+	    V = blue;
+	Temp = (red > green ? green : red);
+	if (blue < Temp)
+	    Temp = blue;
+	diff = V - Temp;
+	if (V == red)
+	    H = (green - blue) * frac_1_long / diff;
+	else if (V == green)
+	    H = (blue - red) * frac_1_long / diff + 2 * frac_1_long;
+	else			/* V == blue */
+	    H = (red - green) * frac_1_long / diff + 4 * frac_1_long;
+	if (H < 0)
+	    H += 6 * frac_1_long;
+	rhue = H / (frac_1 * 6.0);
+	rsat = diff / (float)V;
+	rbri = frac2float(V);
+    }
+#undef rhue
+#undef rsat
+#undef rbri
+}
+
+/* Convert HSB to RGB. */
+private void
+color_hsb_to_rgb(floatp hue, floatp saturation, floatp brightness, float rgb[3])
+{
+    if (saturation == 0) {
+	rgb[0] = rgb[1] = rgb[2] = brightness;
+    } else {			/* Convert hsb to rgb. */
+	/* We rely on the fact that the product of two */
+	/* fracs fits into an unsigned long. */
+	floatp h6 = hue * 6;
+	ulong V = float2frac(brightness);	/* force arithmetic to long */
+	frac S = float2frac(saturation);
+	int I = (int)h6;
+	ulong F = float2frac(h6 - I);	/* ditto */
+
+	/* M = V*(1-S), N = V*(1-S*F), K = V*(1-S*(1-F)) = M-N+V */
+	frac M = V * (frac_1_long - S) / frac_1_long;
+	frac N = V * (frac_1_long - S * F / frac_1_long) / frac_1_long;
+	frac K = M - N + V;
+	frac R, G, B;
+
+	switch (I) {
+	    default:
+		R = V;
+		G = K;
+		B = M;
+		break;
+	    case 1:
+		R = N;
+		G = V;
+		B = M;
+		break;
+	    case 2:
+		R = M;
+		G = V;
+		B = K;
+		break;
+	    case 3:
+		R = M;
+		G = N;
+		B = V;
+		break;
+	    case 4:
+		R = K;
+		G = M;
+		B = V;
+		break;
+	    case 5:
+		R = V;
+		G = M;
+		B = N;
+		break;
+	}
+	rgb[0] = frac2float(R);
+	rgb[1] = frac2float(G);
+	rgb[2] = frac2float(B);
+#ifdef DEBUG
+	if (gs_debug_c('c')) {
+	    dlprintf7("[c]hsb(%g,%g,%g)->VSFI(%ld,%d,%ld,%d)->\n",
+		      hue, saturation, brightness, V, S, F, I);
+	    dlprintf6("   RGB(%d,%d,%d)->rgb(%g,%g,%g)\n",
+		      R, G, B, rgb[0], rgb[1], rgb[2]);
+	}
+#endif
+    }
+}
diff --git a/pstoraster/gshsb.h b/pstoraster/gshsb.h
new file mode 100644
index 000000000..c218711a6
--- /dev/null
+++ b/pstoraster/gshsb.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to HSB color routines */
+
+#ifndef gshsb_INCLUDED
+#  define gshsb_INCLUDED
+
+int gs_sethsbcolor(P4(gs_state *, floatp, floatp, floatp)), gs_currenthsbcolor(P2(const gs_state *, float[3]));
+
+#endif /* gshsb_INCLUDED */
diff --git a/pstoraster/gsht.c b/pstoraster/gsht.c
new file mode 100644
index 000000000..426dfe463
--- /dev/null
+++ b/pstoraster/gsht.c
@@ -0,0 +1,651 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* setscreen operator for Ghostscript library */
+#include "memory_.h"
+#include <stdlib.h>		/* for qsort */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gxarith.h"		/* for igcd */
+#include "gzstate.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gzht.h"
+
+/* Forward declarations */
+void gx_set_effective_transfer(P1(gs_state *));
+
+/* Structure types */
+public_st_ht_order();
+private_st_ht_order_component();
+public_st_ht_order_comp_element();
+public_st_halftone();
+public_st_device_halftone();
+
+/* GC procedures */
+
+#define hptr ((gs_halftone *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(halftone_enum_ptrs) return 0;
+
+case 0:
+switch (hptr->type)
+{
+    case ht_type_spot:
+ENUM_RETURN((hptr->params.spot.transfer == 0 ?
+	     hptr->params.spot.transfer_closure.data :
+	     0));
+    case ht_type_threshold:
+ENUM_RETURN_CONST_STRING_PTR(gs_halftone, params.threshold.thresholds);
+    case ht_type_client_order:
+ENUM_RETURN(hptr->params.client_order.client_data);
+    case ht_type_multiple:
+    case ht_type_multiple_colorscreen:
+ENUM_RETURN(hptr->params.multiple.components);
+    case ht_type_none:
+    case ht_type_screen:
+    case ht_type_colorscreen:
+return 0;
+}
+case 1:
+switch (hptr->type) {
+    case ht_type_threshold:
+	ENUM_RETURN((hptr->params.threshold.transfer == 0 ?
+		     hptr->params.threshold.transfer_closure.data :
+		     0));
+    case ht_type_client_order:
+	ENUM_RETURN(hptr->params.threshold.transfer_closure.data);
+    default:
+	return 0;
+}
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(halftone_reloc_ptrs)
+{
+    switch (hptr->type) {
+	case ht_type_spot:
+	    if (hptr->params.spot.transfer == 0)
+		RELOC_PTR(gs_halftone, params.spot.transfer_closure.data);
+	    break;
+	case ht_type_threshold:
+	    RELOC_CONST_STRING_PTR(gs_halftone, params.threshold.thresholds);
+	    if (hptr->params.threshold.transfer == 0)
+		RELOC_PTR(gs_halftone, params.threshold.transfer_closure.data);
+	    break;
+	case ht_type_client_order:
+	    RELOC_PTR(gs_halftone, params.client_order.client_data);
+	    RELOC_PTR(gs_halftone, params.client_order.transfer_closure.data);
+	    break;
+	case ht_type_multiple:
+	case ht_type_multiple_colorscreen:
+	    RELOC_PTR(gs_halftone, params.multiple.components);
+	    break;
+	case ht_type_none:
+	case ht_type_screen:
+	case ht_type_colorscreen:
+	    break;
+    }
+}
+RELOC_PTRS_END
+
+#undef hptr
+
+/* setscreen */
+int
+gs_setscreen(gs_state * pgs, gs_screen_halftone * phsp)
+{
+    gs_screen_enum senum;
+    int code = gx_ht_process_screen(&senum, pgs, phsp,
+				    gs_currentaccuratescreens());
+
+    if (code < 0)
+	return code;
+    return gs_screen_install(&senum);
+}
+
+/* currentscreen */
+int
+gs_currentscreen(const gs_state * pgs, gs_screen_halftone * phsp)
+{
+    switch (pgs->halftone->type) {
+	case ht_type_screen:
+	    *phsp = pgs->halftone->params.screen;
+	    return 0;
+	case ht_type_colorscreen:
+	    *phsp = pgs->halftone->params.colorscreen.screens.colored.gray;
+	    return 0;
+	default:
+	    return_error(gs_error_undefined);
+    }
+}
+
+/* .currentscreenlevels */
+int
+gs_currentscreenlevels(const gs_state * pgs)
+{
+    return pgs->dev_ht->order.num_levels;
+}
+
+/* .setscreenphase */
+int
+gx_imager_setscreenphase(gs_imager_state * pis, int x, int y,
+			 gs_color_select_t select)
+{
+    if (select == gs_color_select_all) {
+	int i;
+
+	for (i = 0; i < gs_color_select_count; ++i)
+	    gx_imager_setscreenphase(pis, x, y, (gs_color_select_t) i);
+	return 0;
+    } else if (select < 0 || select >= gs_color_select_count)
+	return_error(gs_error_rangecheck);
+    pis->screen_phase[select].x = x;
+    pis->screen_phase[select].y = y;
+    return 0;
+}
+int
+gs_setscreenphase(gs_state * pgs, int x, int y, gs_color_select_t select)
+{
+    int code = gx_imager_setscreenphase((gs_imager_state *) pgs, x, y,
+					select);
+
+    /*
+     * If we're only setting the source phase, we don't need to do
+     * unset_dev_color, because the source phase doesn't affect painting
+     * with the current color.
+     */
+    if (code >= 0 && (select == gs_color_select_texture ||
+		      select == gs_color_select_all)
+	)
+	gx_unset_dev_color(pgs);
+    return code;
+}
+
+/* .currentscreenphase */
+int
+gs_currentscreenphase(const gs_state * pgs, gs_int_point * pphase,
+		      gs_color_select_t select)
+{
+    if (select < 0 || select >= gs_color_select_count)
+	return_error(gs_error_rangecheck);
+    *pphase = pgs->screen_phase[select];
+    return 0;
+}
+
+/* currenthalftone */
+int
+gs_currenthalftone(gs_state * pgs, gs_halftone * pht)
+{
+    *pht = *pgs->halftone;
+    return 0;
+}
+
+/* ------ Internal routines ------ */
+
+/* Process one screen plane. */
+int
+gx_ht_process_screen_memory(gs_screen_enum * penum, gs_state * pgs,
+		gs_screen_halftone * phsp, bool accurate, gs_memory_t * mem)
+{
+    gs_point pt;
+    int code = gs_screen_init_memory(penum, pgs, phsp, accurate, mem);
+
+    if (code < 0)
+	return code;
+    while ((code = gs_screen_currentpoint(penum, &pt)) == 0)
+	if ((code = gs_screen_next(penum, (*phsp->spot_function) (pt.x, pt.y))) < 0)
+	    return code;
+    return 0;
+}
+
+/* Internal procedure to allocate and initialize either an internally */
+/* generated or a client-defined halftone order. */
+private int
+gx_ht_alloc_ht_order(gx_ht_order * porder, uint width, uint height,
+	uint num_levels, uint num_bits, uint strip_shift, gs_memory_t * mem)
+{
+    gx_compute_cell_values(&porder->params);
+    porder->width = width;
+    porder->height = height;
+    porder->raster = bitmap_raster(width);
+    porder->shift = strip_shift;
+    porder->orig_height = porder->height;
+    porder->orig_shift = porder->shift;
+    porder->full_height = ht_order_full_height(porder);
+    porder->num_levels = num_levels;
+    porder->num_bits = num_bits;
+    porder->levels =
+	(uint *) gs_alloc_byte_array(mem, num_levels, sizeof(uint),
+				     "ht order(levels)");
+    porder->bits =
+	(gx_ht_bit *) gs_alloc_byte_array(mem, num_bits, sizeof(gx_ht_bit),
+					  "ht order(bits)");
+    if (porder->levels == 0 || porder->bits == 0) {
+	gs_free_object(mem, porder->bits, "ht order(bits)");
+	gs_free_object(mem, porder->levels, "ht order(levels)");
+	return_error(gs_error_VMerror);
+    }
+    porder->cache = 0;
+    porder->transfer = 0;
+    return 0;
+}
+
+/* Allocate and initialize the contents of a halftone order. */
+/* The client must have set the defining values in porder->params. */
+int
+gx_ht_alloc_order(gx_ht_order * porder, uint width, uint height,
+		  uint strip_shift, uint num_levels, gs_memory_t * mem)
+{
+    gx_ht_order order;
+    int code;
+
+    order = *porder;
+    gx_compute_cell_values(&order.params);
+    code = gx_ht_alloc_ht_order(&order, width, height, num_levels,
+				width * height, strip_shift, mem);
+    if (code < 0)
+	return code;
+    *porder = order;
+    return 0;
+}
+
+/* Allocate and initialize the contents of a client-defined halftone order. */
+int
+gx_ht_alloc_client_order(gx_ht_order * porder, uint width, uint height,
+			 uint num_levels, uint num_bits, gs_memory_t * mem)
+{
+    gx_ht_order order;
+    int code;
+
+    order = *porder;
+    order.params.M = width, order.params.N = 0;
+    order.params.R = 1;
+    order.params.M1 = height, order.params.N1 = 0;
+    order.params.R1 = 1;
+    gx_compute_cell_values(&order.params);
+    code = gx_ht_alloc_ht_order(&order, width, height, num_levels,
+				num_bits, 0, mem);
+    if (code < 0)
+	return code;
+    *porder = order;
+    return 0;
+}
+
+/* Compare keys ("masks", actually sample values) for qsort. */
+private int
+compare_samples(const void *p1, const void *p2)
+{
+    ht_sample_t m1 = ((const gx_ht_bit *)p1)->mask;
+    ht_sample_t m2 = ((const gx_ht_bit *)p2)->mask;
+
+    return (m1 < m2 ? -1 : m1 > m2 ? 1 : 0);
+}
+/* Sort the halftone order by sample value. */
+void
+gx_sort_ht_order(gx_ht_bit * recs, uint N)
+{
+    int i;
+
+    /* Tag each sample with its index, for sorting. */
+    for (i = 0; i < N; i++)
+	recs[i].offset = i;
+    qsort((void *)recs, N, sizeof(*recs), compare_samples);
+#ifdef DEBUG
+    if (gs_debug_c('H')) {
+	uint i;
+
+	dlputs("[H]Sorted samples:\n");
+	for (i = 0; i < N; i++)
+	    dlprintf3("%5u: %5u: %u\n",
+		      i, recs[i].offset, recs[i].mask);
+    }
+#endif
+}
+
+/*
+ * Construct the halftone order from a sampled spot function.  Only width x
+ * strip samples have been filled in; we must replicate the resulting sorted
+ * order vertically, shifting it by shift each time.  See gxdht.h regarding
+ * the invariants that must be restored.
+ */
+void
+gx_ht_construct_spot_order(gx_ht_order * porder)
+{
+    uint width = porder->width;
+    uint num_levels = porder->num_levels;	/* = width x strip */
+    uint strip = num_levels / width;
+    gx_ht_bit *bits = porder->bits;
+    uint *levels = porder->levels;
+    uint shift = porder->orig_shift;
+    uint full_height = porder->full_height;
+    uint num_bits = porder->num_bits;
+    uint copies = num_bits / (width * strip);
+    gx_ht_bit *bp = bits + num_bits - 1;
+    uint i;
+
+    gx_sort_ht_order(bits, num_levels);
+    if_debug5('h',
+	      "[h]spot order: num_levels=%u w=%u h=%u strip=%u shift=%u\n",
+	      num_levels, width, porder->orig_height, strip, shift);
+    /* Fill in the levels array, replicating the bits vertically */
+    /* if needed. */
+    for (i = num_levels; i > 0;) {
+	uint offset = bits[--i].offset;
+	uint x = offset % width;
+	uint hy = offset - x;
+	uint k;
+
+	levels[i] = i * copies;
+	for (k = 0; k < copies;
+	     k++, bp--, hy += num_levels, x = (x + width - shift) % width
+	    )
+	    bp->offset = hy + x;
+    }
+    /* If we have a complete halftone, restore the invariant. */
+    if (num_bits == width * full_height) {
+	porder->height = full_height;
+	porder->shift = 0;
+    }
+    gx_ht_construct_bits(porder);
+}
+
+/* Construct a single offset/mask. */
+void
+gx_ht_construct_bit(gx_ht_bit * bit, int width, int bit_num)
+{
+    uint padding = bitmap_raster(width) * 8 - width;
+    int pix = bit_num;
+    ht_mask_t mask;
+    byte *pb;
+
+    pix += pix / width * padding;
+    bit->offset = (pix >> 3) & -size_of(mask);
+    mask = (ht_mask_t) 1 << (~pix & (ht_mask_bits - 1));
+    /* Replicate the mask bits. */
+    pix = ht_mask_bits - width;
+    while ((pix -= width) >= 0)
+	mask |= mask >> width;
+    /* Store the mask, reversing bytes if necessary. */
+    bit->mask = 0;
+    for (pb = (byte *) & bit->mask + (sizeof(mask) - 1);
+	 mask != 0;
+	 mask >>= 8, pb--
+	)
+	*pb = (byte) mask;
+}
+
+/* Construct offset/masks from the whitening order. */
+/* porder->bits[i].offset contains the index of the bit position */
+/* that is i'th in the whitening order. */
+void
+gx_ht_construct_bits(gx_ht_order * porder)
+{
+    uint i;
+    gx_ht_bit *phb;
+
+    for (i = 0, phb = porder->bits; i < porder->num_bits; i++, phb++)
+	gx_ht_construct_bit(phb, porder->width, phb->offset);
+#ifdef DEBUG
+    if (gs_debug_c('H')) {
+	dlprintf1("[H]Halftone order bits 0x%lx:\n", (ulong) porder->bits);
+	for (i = 0, phb = porder->bits; i < porder->num_bits; i++, phb++)
+	    dlprintf3("%4d: %u:0x%lx\n", i, phb->offset,
+		      (ulong) phb->mask);
+    }
+#endif
+}
+
+/* Release a gx_device_halftone by freeing its components. */
+/* (Don't free the gx_device_halftone itself.) */
+void
+gx_ht_order_release(gx_ht_order * porder, gs_memory_t * mem, bool free_cache)
+{
+    if (free_cache && porder->cache)
+	gx_ht_free_cache(mem, porder->cache);
+    gs_free_object(mem, porder->transfer, "gx_ht_order_release(transfer)");
+    gs_free_object(mem, porder->bits, "gx_ht_order_release(bits)");
+    gs_free_object(mem, porder->levels, "gx_ht_order_release(levels)");
+}
+void
+gx_device_halftone_release(gx_device_halftone * pdht, gs_memory_t * mem)
+{
+    if (pdht->components) {
+	int i;
+
+	/* One of the components might be the same as the default */
+	/* order, so check that we don't free it twice. */
+	for (i = 0; i < pdht->num_comp; ++i)
+	    if (pdht->components[i].corder.bits !=
+		pdht->order.bits
+		) {		/* Currently, all orders except the default one */
+		/* own their caches. */
+		gx_ht_order_release(&pdht->components[i].corder, mem, true);
+	    }
+	gs_free_object(mem, pdht->components,
+		       "gx_dev_ht_release(components)");
+	pdht->components = 0;
+	pdht->num_comp = 0;
+    }
+    gx_ht_order_release(&pdht->order, mem, false);
+}
+
+/* Install a device halftone in an imager state. */
+/* Note that this does not read or update the client halftone. */
+int
+gx_imager_dev_ht_install(gs_imager_state * pis,
+			 const gx_device_halftone * pdht, gs_halftone_type type, const gx_device * dev)
+{
+    gx_device_halftone *pgdht = pis->dev_ht;
+
+    if ((ulong) pdht->order.raster * (pdht->order.num_bits /
+			       pdht->order.width) > pis->ht_cache->bits_size
+	)
+	return_error(gs_error_limitcheck);
+    if (pgdht != 0 && pgdht->rc.ref_count == 1 &&
+	pgdht->rc.memory == pdht->rc.memory
+	) {			/* The current device halftone isn't shared. */
+	/* Just release its components. */
+	gx_device_halftone_release(pgdht, pgdht->rc.memory);
+    } else {			/* The device halftone is shared or not yet allocated. */
+	rc_unshare_struct(pis->dev_ht, gx_device_halftone,
+			  &st_device_halftone, pdht->rc.memory,
+			  return_error(gs_error_VMerror),
+			  "gx_imager_dev_ht_install");
+	pgdht = pis->dev_ht;
+    }
+    {
+	rc_header rc;
+
+	rc = pgdht->rc;
+	*pgdht = *pdht;
+	pgdht->rc = rc;
+    }
+    pgdht->id = gs_next_ids(1);
+    pgdht->type = type;
+    /* Clear the cache, to avoid confusion in case the address of */
+    /* a new order vector matches that of a (deallocated) old one. */
+    gx_ht_clear_cache(pis->ht_cache);
+    /* Set the color_indices according to the device color_info. */
+    /* Also compute the LCM of the primary color cell sizes. */
+    /* Note that for strip halftones, the "cell size" is the */
+    /* theoretical fully expanded size with shift = 0. */
+    if (pdht->components != 0) {
+	static const gs_ht_separation_name dcnames[5][4] =
+	{
+	    {gs_ht_separation_Default},		/* not used */
+	    {gs_ht_separation_Default, gs_ht_separation_Default,
+	     gs_ht_separation_Default, gs_ht_separation_Gray
+	    },
+	    {gs_ht_separation_Default},		/* not used */
+	    {gs_ht_separation_Red, gs_ht_separation_Green,
+	     gs_ht_separation_Blue, gs_ht_separation_Default
+	    },
+	    {gs_ht_separation_Cyan, gs_ht_separation_Magenta,
+	     gs_ht_separation_Yellow, gs_ht_separation_Black
+	    }
+	};
+	static const gs_ht_separation_name cscnames[4] =
+	{gs_ht_separation_Red, gs_ht_separation_Green,
+	 gs_ht_separation_Blue, gs_ht_separation_Default
+	};
+	int num_comps = dev->color_info.num_components;
+	const gs_ht_separation_name *cnames = dcnames[num_comps];
+	int lcm_width = 1, lcm_height = 1;
+	uint i;
+
+	/* Halftones set by setcolorscreen, and (we think) */
+	/* Type 2 and Type 4 halftones, are supposed to work */
+	/* for both RGB and CMYK, so we need a special check here. */
+	if (num_comps == 4 &&
+	    (type == ht_type_colorscreen ||
+	     type == ht_type_multiple_colorscreen)
+	    )
+	    cnames = cscnames;
+	if_debug4('h', "[h]dcnames=%lu,%lu,%lu,%lu\n",
+		  (ulong) cnames[0], (ulong) cnames[1],
+		  (ulong) cnames[2], (ulong) cnames[3]);
+	memset(pgdht->color_indices, 0, sizeof(pdht->color_indices));
+	for (i = 0; i < pdht->num_comp; i++) {
+	    const gx_ht_order_component *pcomp =
+	    &pdht->components[i];
+	    int j;
+
+	    if_debug2('h', "[h]cname[%d]=%lu\n",
+		      i, (ulong) pcomp->cname);
+	    for (j = 0; j < 4; j++) {
+		if (pcomp->cname == cnames[j]) {
+		    if_debug2('h', "[h]color_indices[%d]=%d\n",
+			      j, i);
+		    pgdht->color_indices[j] = i;
+		}
+	    }
+	}
+	/* Now do a second pass to compute the LCM. */
+	/* We have to do it this way in case some entry in */
+	/* color_indices is still 0. */
+	for (i = 0; i < 4; ++i) {
+	    const gx_ht_order_component *pcomp =
+	    &pdht->components[pgdht->color_indices[i]];
+	    uint cw = pcomp->corder.width;
+	    uint ch = pcomp->corder.full_height;
+	    int dw = lcm_width / igcd(lcm_width, cw);
+	    int dh = lcm_height / igcd(lcm_height, ch);
+
+	    lcm_width = (cw > max_int / dw ? max_int : cw * dw);
+	    lcm_height = (ch > max_int / dh ? max_int : ch * dh);
+	}
+	pgdht->lcm_width = lcm_width;
+	pgdht->lcm_height = lcm_height;
+    } else {			/* Only one component. */
+	pgdht->lcm_width = pgdht->order.width;
+	pgdht->lcm_height = pgdht->order.full_height;
+    }
+    if_debug2('h', "[h]LCM=(%d,%d)\n",
+	      pgdht->lcm_width, pgdht->lcm_height);
+    gx_imager_set_effective_xfer(pis);
+    return 0;
+}
+
+/*
+ * Install a new halftone in the graphics state.  Note that we copy the top
+ * level of the gs_halftone and the gx_device_halftone, and take ownership
+ * of any substructures.
+ */
+int
+gx_ht_install(gs_state * pgs, const gs_halftone * pht,
+	      const gx_device_halftone * pdht)
+{
+    gs_memory_t *mem = pht->rc.memory;
+    gs_halftone *old_ht = pgs->halftone;
+    gs_halftone *new_ht;
+    int code;
+
+    if (old_ht != 0 && old_ht->rc.memory == mem &&
+	old_ht->rc.ref_count == 1
+	)
+	new_ht = old_ht;
+    else
+	rc_alloc_struct_1(new_ht, gs_halftone, &st_halftone,
+			  mem, return_error(gs_error_VMerror),
+			  "gx_ht_install(new halftone)");
+    code = gx_imager_dev_ht_install((gs_imager_state *) pgs,
+			     pdht, pht->type, gs_currentdevice_inline(pgs));
+    if (code < 0) {
+	if (new_ht != old_ht)
+	    gs_free_object(mem, new_ht, "gx_ht_install(new halftone)");
+	return code;
+    }
+    if (new_ht != old_ht)
+	rc_decrement(old_ht, "gx_ht_install(old halftone)");
+    {
+	rc_header rc;
+
+	rc = new_ht->rc;
+	*new_ht = *pht;
+	new_ht->rc = rc;
+    }
+    pgs->halftone = new_ht;
+    gx_unset_dev_color(pgs);
+    return 0;
+}
+
+/* Reestablish the effective transfer functions, taking into account */
+/* any overrides from halftone dictionaries. */
+void
+gx_imager_set_effective_xfer(gs_imager_state * pis)
+{
+    const gx_device_halftone *pdht = pis->dev_ht;
+
+    pis->effective_transfer = pis->set_transfer;	/* default */
+    if (pdht == 0)
+	return;			/* not initialized yet */
+    if (pdht->components == 0) {	/* Check for transfer function override in single halftone */
+	gx_transfer_map *pmap = pdht->order.transfer;
+
+	if (pmap != 0)
+	    pis->effective_transfer.indexed[0] =
+		pis->effective_transfer.indexed[1] =
+		pis->effective_transfer.indexed[2] =
+		pis->effective_transfer.indexed[3] = pmap;
+    } else {			/* Check in all 4 standard separations */
+	int i;
+
+	for (i = 0; i < 4; ++i) {
+	    gx_transfer_map *pmap =
+	    pdht->components[pdht->color_indices[i]].corder.
+	    transfer;
+
+	    if (pmap != 0)
+		pis->effective_transfer.indexed[i] = pmap;
+	}
+    }
+}
+void
+gx_set_effective_transfer(gs_state * pgs)
+{
+    gx_imager_set_effective_xfer((gs_imager_state *) pgs);
+}
diff --git a/pstoraster/gsht.h b/pstoraster/gsht.h
new file mode 100644
index 000000000..fd1682d19
--- /dev/null
+++ b/pstoraster/gsht.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1993, 1994, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Public interface to halftone functionality */
+
+#ifndef gsht_INCLUDED
+#  define gsht_INCLUDED
+
+/* Client definition of (Type 1) halftones */
+typedef struct gs_screen_halftone_s {
+    float frequency;
+    float angle;
+    float (*spot_function) (P2(floatp, floatp));
+    /* setscreen or sethalftone sets these: */
+    /* (a Level 2 feature, but we include them in Level 1) */
+    float actual_frequency;
+    float actual_angle;
+} gs_screen_halftone;
+
+#define st_screen_halftone_max_ptrs 0
+
+/* Client definition of color (Type 2) halftones */
+typedef struct gs_colorscreen_halftone_s {
+    union _css {
+	gs_screen_halftone indexed[4];
+	struct _csc {
+	    gs_screen_halftone red, green, blue, gray;
+	} colored;
+    } screens;
+} gs_colorscreen_halftone;
+
+#define st_colorscreen_halftone_max_ptrs 0
+
+/* Procedural interface */
+int gs_setscreen(P2(gs_state *, gs_screen_halftone *));
+int gs_currentscreen(P2(const gs_state *, gs_screen_halftone *));
+int gs_currentscreenlevels(P1(const gs_state *));
+
+/*
+ * Enumeration-style definition of a single screen.  The client must:
+ *      - probably, call gs_screen_enum_alloc;
+ *      - call gs_screen_init;
+ *      - in a loop,
+ *              - call gs_screen_currentpoint; if it returns 1, exit;
+ *              - call gs_screen_next;
+ *      - if desired, call gs_screen_install to install the screen.
+ */
+typedef struct gs_screen_enum_s gs_screen_enum;
+gs_screen_enum *gs_screen_enum_alloc(P2(gs_memory_t *, client_name_t));
+int gs_screen_init(P3(gs_screen_enum *, gs_state *,
+		      gs_screen_halftone *));
+int gs_screen_currentpoint(P2(gs_screen_enum *, gs_point *));
+int gs_screen_next(P2(gs_screen_enum *, floatp));
+int gs_screen_install(P1(gs_screen_enum *));
+
+#endif /* gsht_INCLUDED */
diff --git a/pstoraster/gsht1.c b/pstoraster/gsht1.c
new file mode 100644
index 000000000..f79afa730
--- /dev/null
+++ b/pstoraster/gsht1.c
@@ -0,0 +1,449 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Extended halftone operators for Ghostscript library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gzstate.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gzht.h"
+
+/* Define the size of the halftone tile cache. */
+#define max_tile_bytes_LARGE 4096
+#define max_tile_bytes_SMALL 512
+#if arch_small_memory
+#  define max_tile_cache_bytes max_tile_bytes_SMALL
+#else
+#  define max_tile_cache_bytes\
+     (gs_debug_c('.') ? max_tile_bytes_SMALL : max_tile_bytes_LARGE)
+#endif
+
+/* Imports from gscolor.c */
+void load_transfer_map(P3(gs_state *, gx_transfer_map *, floatp));
+
+/* Forward declarations */
+private int process_spot(P4(gx_ht_order *, gs_state *,
+			    gs_spot_halftone *, gs_memory_t *));
+private int process_threshold(P4(gx_ht_order *, gs_state *,
+				 gs_threshold_halftone *, gs_memory_t *));
+private int process_client_order(P4(gx_ht_order *, gs_state *,
+				gs_client_order_halftone *, gs_memory_t *));
+
+/* Structure types */
+public_st_halftone_component();
+public_st_ht_component_element();
+
+/* GC procedures */
+
+#define hptr ((gs_halftone_component *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(halftone_component_enum_ptrs) return 0;
+
+case 0:
+switch (hptr->type)
+{
+    case ht_type_spot:
+ENUM_RETURN((hptr->params.spot.transfer == 0 ?
+	     hptr->params.spot.transfer_closure.data :
+	     0));
+    case ht_type_threshold:
+ENUM_RETURN_CONST_STRING_PTR(gs_halftone_component,
+			     params.threshold.thresholds);
+    case ht_type_client_order:
+ENUM_RETURN(hptr->params.client_order.client_data);
+    default:			/* not possible */
+return 0;
+}
+case 1:
+switch (hptr->type) {
+    case ht_type_threshold:
+	ENUM_RETURN((hptr->params.threshold.transfer == 0 ?
+		     hptr->params.threshold.transfer_closure.data :
+		     0));
+    case ht_type_client_order:
+	ENUM_RETURN(hptr->params.threshold.transfer_closure.data);
+    default:
+	return 0;
+}
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(halftone_component_reloc_ptrs)
+{
+    switch (hptr->type) {
+	case ht_type_spot:
+	    if (hptr->params.spot.transfer == 0)
+		RELOC_VAR(hptr->params.spot.transfer_closure.data);
+	    break;
+	case ht_type_threshold:
+	    RELOC_CONST_STRING_VAR(hptr->params.threshold.thresholds);
+	    if (hptr->params.threshold.transfer == 0)
+		RELOC_VAR(hptr->params.threshold.transfer_closure.data);
+	    break;
+	case ht_type_client_order:
+	    RELOC_VAR(hptr->params.client_order.client_data);
+	    RELOC_VAR(hptr->params.client_order.transfer_closure.data);
+	    break;
+	default:
+	    break;
+    }
+}
+RELOC_PTRS_END
+
+#undef hptr
+
+/* setcolorscreen */
+int
+gs_setcolorscreen(gs_state * pgs, gs_colorscreen_halftone * pht)
+{
+    gs_halftone ht;
+
+    ht.type = ht_type_colorscreen;
+    ht.params.colorscreen = *pht;
+    return gs_sethalftone(pgs, &ht);
+}
+
+/* currentcolorscreen */
+int
+gs_currentcolorscreen(gs_state * pgs, gs_colorscreen_halftone * pht)
+{
+    int code;
+
+    switch (pgs->halftone->type) {
+	case ht_type_colorscreen:
+	    *pht = pgs->halftone->params.colorscreen;
+	    return 0;
+	default:
+	    code = gs_currentscreen(pgs, &pht->screens.colored.gray);
+	    if (code < 0)
+		return code;
+	    pht->screens.colored.red = pht->screens.colored.gray;
+	    pht->screens.colored.green = pht->screens.colored.gray;
+	    pht->screens.colored.blue = pht->screens.colored.gray;
+	    return 0;
+    }
+}
+
+/* Set the halftone in the graphics state. */
+int
+gs_sethalftone(gs_state * pgs, gs_halftone * pht)
+{
+    gs_halftone ht;
+
+    ht = *pht;
+    ht.rc.memory = pgs->memory;
+    return gs_sethalftone_allocated(pgs, &ht);
+}
+int
+gs_sethalftone_allocated(gs_state * pgs, gs_halftone * pht)
+{
+    gx_device_halftone dev_ht;
+    int code = gs_sethalftone_prepare(pgs, pht, &dev_ht);
+
+    if (code < 0)
+	return code;
+    dev_ht.rc.memory = pht->rc.memory;
+    return gx_ht_install(pgs, pht, &dev_ht);
+}
+/* Prepare the halftone, but don't install it. */
+int
+gs_sethalftone_prepare(gs_state * pgs, gs_halftone * pht,
+		       gx_device_halftone * pdht)
+{
+    gs_memory_t *mem = pht->rc.memory;
+    gx_ht_order_component *pocs = 0;
+    int code = 0;
+
+    switch (pht->type) {
+	case ht_type_colorscreen:
+	    {
+		gs_screen_halftone *phc =
+		pht->params.colorscreen.screens.indexed;
+		static const gs_ht_separation_name cnames[4] =
+		{
+		    gs_ht_separation_Default, gs_ht_separation_Red,
+		    gs_ht_separation_Green, gs_ht_separation_Blue
+		};
+		static const int cindex[4] =
+		{3, 0, 1, 2};
+		int i;
+
+		pocs = gs_alloc_struct_array(mem, 4,
+					     gx_ht_order_component,
+					     &st_ht_order_component_element,
+					     "gs_sethalftone");
+		if (pocs == 0)
+		    return_error(gs_error_VMerror);
+		for (i = 0; i < 4; i++) {
+		    gs_screen_enum senum;
+		    int ci = cindex[i];
+		    gx_ht_order_component *poc = &pocs[i];
+
+		    code = gx_ht_process_screen_memory(&senum, pgs,
+				&phc[ci], gs_currentaccuratescreens(), mem);
+		    if (code < 0)
+			break;
+#define sorder senum.order
+		    poc->corder = sorder;
+		    poc->cname = cnames[i];
+		    if (i == 0)	/* Gray = Default */
+			pdht->order = sorder;
+		    else {
+			uint tile_bytes =
+			sorder.raster * (sorder.num_bits / sorder.width);
+			uint num_tiles =
+			max_tile_cache_bytes / tile_bytes + 1;
+			gx_ht_cache *pcache =
+			gx_ht_alloc_cache(mem, num_tiles,
+					  tile_bytes * num_tiles);
+
+			if (pcache == 0) {
+			    code = gs_note_error(gs_error_VMerror);
+			    break;
+			}
+			poc->corder.cache = pcache;
+			gx_ht_init_cache(pcache, &poc->corder);
+		    }
+#undef sorder
+		}
+		if (code < 0)
+		    break;
+		pdht->components = pocs;
+		pdht->num_comp = 4;
+	    }
+	    break;
+	case ht_type_spot:
+	    code = process_spot(&pdht->order, pgs, &pht->params.spot, mem);
+	    if (code < 0)
+		return code;
+	    pdht->components = 0;
+	    break;
+	case ht_type_threshold:
+	    code = process_threshold(&pdht->order, pgs,
+				     &pht->params.threshold, mem);
+	    if (code < 0)
+		return code;
+	    pdht->components = 0;
+	    break;
+	case ht_type_client_order:
+	    code = process_client_order(&pdht->order, pgs,
+					&pht->params.client_order, mem);
+	    if (code < 0)
+		return code;
+	    pdht->components = 0;
+	    break;
+	case ht_type_multiple:
+	case ht_type_multiple_colorscreen:
+	    {
+		uint count = pht->params.multiple.num_comp;
+		bool have_Default = false;
+		uint i;
+		gs_halftone_component *phc = pht->params.multiple.components;
+		gx_ht_order_component *poc_next;
+
+		pocs = gs_alloc_struct_array(mem, count,
+					     gx_ht_order_component,
+					     &st_ht_order_component_element,
+					     "gs_sethalftone");
+		if (pocs == 0)
+		    return_error(gs_error_VMerror);
+		poc_next = pocs + 1;
+		for (i = 0; i < count; i++, phc++) {
+		    gx_ht_order_component *poc;
+
+		    if (phc->cname == gs_ht_separation_Default) {
+			if (have_Default) {
+			    /* Duplicate Default */
+			    code = gs_note_error(gs_error_rangecheck);
+			    break;
+			}
+			poc = pocs;
+			have_Default = true;
+		    } else if (i == count - 1 && !have_Default) {
+			/* No Default */
+			code = gs_note_error(gs_error_rangecheck);
+			break;
+		    } else
+			poc = poc_next++;
+		    poc->cname = phc->cname;
+		    switch (phc->type) {
+			case ht_type_spot:
+			    code = process_spot(&poc->corder, pgs,
+						&phc->params.spot, mem);
+			    break;
+			case ht_type_threshold:
+			    code = process_threshold(&poc->corder, pgs,
+					       &phc->params.threshold, mem);
+			    break;
+			case ht_type_client_order:
+			    code = process_client_order(&poc->corder, pgs,
+					    &phc->params.client_order, mem);
+			    break;
+			default:
+			    code = gs_note_error(gs_error_rangecheck);
+			    break;
+		    }
+		    if (code < 0)
+			break;
+		    if (poc != pocs) {
+			gx_ht_cache *pcache =
+			gx_ht_alloc_cache(mem, 1,
+					  poc->corder.raster *
+					  (poc->corder.num_bits /
+					   poc->corder.width));
+
+			if (pcache == 0) {
+			    code = gs_note_error(gs_error_VMerror);
+			    break;
+			}
+			poc->corder.cache = pcache;
+			gx_ht_init_cache(pcache, &poc->corder);
+		    }
+		}
+		if (code < 0)
+		    break;
+		pdht->order = pocs[0].corder;	/* Default */
+		if (count == 1) {
+		    /* We have only a Default; */
+		    /* we don't need components. */
+		    gs_free_object(mem, pocs, "gs_sethalftone");
+		    pdht->components = 0;
+		} else {
+		    pdht->components = pocs;
+		    pdht->num_comp = count;
+		}
+	    }
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    if (code < 0)
+	gs_free_object(mem, pocs, "gs_sethalftone");
+    return code;
+}
+
+/* ------ Internal routines ------ */
+
+/* Process a transfer function override, if any. */
+private int
+process_transfer(gx_ht_order * porder, gs_state * pgs,
+		 gs_mapping_proc proc, gs_mapping_closure_t * pmc,
+		 gs_memory_t * mem)
+{
+    gx_transfer_map *pmap;
+
+    if (proc == 0 && pmc->proc == 0)
+	return 0;
+    pmap = gs_alloc_struct(mem, gx_transfer_map, &st_transfer_map,
+			   "process_transfer");
+    if (pmap == 0)
+	return_error(gs_error_VMerror);
+    pmap->proc = proc;		/* 0 => use closure */
+    pmap->closure = *pmc;
+    pmap->id = gs_next_ids(1);
+    load_transfer_map(pgs, pmap, 0.0);
+    porder->transfer = pmap;
+    return 0;
+}
+
+/* Process a spot plane. */
+private int
+process_spot(gx_ht_order * porder, gs_state * pgs,
+	     gs_spot_halftone * phsp, gs_memory_t * mem)
+{
+    gs_screen_enum senum;
+
+    int code = gx_ht_process_screen_memory(&senum, pgs, &phsp->screen,
+					   phsp->accurate_screens, mem);
+
+    if (code < 0)
+	return code;
+    *porder = senum.order;
+    return process_transfer(porder, pgs, phsp->transfer,
+			    &phsp->transfer_closure, mem);
+}
+
+/* Process a threshold plane. */
+private int
+process_threshold(gx_ht_order * porder, gs_state * pgs,
+		  gs_threshold_halftone * phtp, gs_memory_t * mem)
+{
+    int code;
+
+    porder->params.M = phtp->width, porder->params.N = 0;
+    porder->params.R = 1;
+    porder->params.M1 = phtp->height, porder->params.N1 = 0;
+    porder->params.R1 = 1;
+    code = gx_ht_alloc_order(porder, phtp->width, phtp->height,
+			     0, 256, mem);
+    if (code < 0)
+	return code;
+    gx_ht_construct_threshold_order(porder, phtp->thresholds.data);
+    return process_transfer(porder, pgs, phtp->transfer,
+			    &phtp->transfer_closure, mem);
+}
+
+/* Construct the halftone order from a threshold array. */
+void
+gx_ht_construct_threshold_order(gx_ht_order * porder, const byte * thresholds)
+{
+    uint size = porder->num_bits;
+    uint *levels = porder->levels;
+    gx_ht_bit *bits = porder->bits;
+    uint i, j;
+
+    for (i = 0; i < size; i++)
+	bits[i].mask = max(1, thresholds[i]);
+    gx_sort_ht_order(bits, size);
+    /* We want to set levels[j] to the lowest value of i */
+    /* such that bits[i].mask > j. */
+    for (i = 0, j = 0; i < size; i++) {
+	if (bits[i].mask != j) {
+	    if_debug3('h', "[h]levels[%u..%u] = %u\n",
+		      j, (uint) bits[i].mask, i);
+	    while (j < bits[i].mask)
+		levels[j++] = i;
+	}
+    }
+    while (j < 256)
+	levels[j++] = size;
+    gx_ht_construct_bits(porder);
+}
+
+/* Process a client-order plane. */
+private int
+process_client_order(gx_ht_order * porder, gs_state * pgs,
+		     gs_client_order_halftone * phcop, gs_memory_t * mem)
+{
+    int code = (*phcop->procs->create_order) (porder, pgs, phcop, mem);
+
+    if (code < 0)
+	return code;
+    return process_transfer(porder, pgs, NULL,
+			    &phcop->transfer_closure, mem);
+}
diff --git a/pstoraster/gsht1.h b/pstoraster/gsht1.h
new file mode 100644
index 000000000..05d220191
--- /dev/null
+++ b/pstoraster/gsht1.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 1994, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Extended public interface to halftones */
+
+#ifndef gsht1_INCLUDED
+#  define gsht1_INCLUDED
+
+#include "gsht.h"
+
+/* Procedural interface */
+int gs_setcolorscreen(P2(gs_state *, gs_colorscreen_halftone *));
+int gs_currentcolorscreen(P2(gs_state *, gs_colorscreen_halftone *));
+
+/*
+ * We include sethalftone here, even though it is a Level 2 feature,
+ * because it turns out to be convenient to define setcolorscreen
+ * using sethalftone.
+ */
+#ifndef gs_halftone_DEFINED
+#  define gs_halftone_DEFINED
+typedef struct gs_halftone_s gs_halftone;
+
+#endif
+/*
+ * gs_halftone structures may have complex substructures.  We provide two
+ * procedures for setting them.  gs_halftone assumes that the gs_halftone
+ * structure and all its substructures was allocated with the same allocator
+ * as the gs_state; gs_halftone_allocated looks in the structure itself (the
+ * rc.memory member) to find the allocator that was used.  Both procedures
+ * copy the top-level structure (using the appropriate allocator), but take
+ * ownership of the substructures.
+ */
+int gs_sethalftone(P2(gs_state *, gs_halftone *));
+int gs_sethalftone_allocated(P2(gs_state *, gs_halftone *));
+int gs_currenthalftone(P2(gs_state *, gs_halftone *));
+
+#endif /* gsht1_INCLUDED */
diff --git a/pstoraster/gshtscr.c b/pstoraster/gshtscr.c
new file mode 100644
index 000000000..dccb414d5
--- /dev/null
+++ b/pstoraster/gshtscr.c
@@ -0,0 +1,574 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Screen (Type 1) halftone processing for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxarith.h"
+#include "gzstate.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gzht.h"
+
+/* Define whether to force all halftones to be strip halftones, */
+/* for debugging. */
+#define FORCE_STRIP_HALFTONES 0
+
+/* Structure descriptors */
+private_st_gs_screen_enum();
+
+/* GC procedures */
+#define eptr ((gs_screen_enum *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(screen_enum_enum_ptrs)
+{
+    if (index < 1 + st_ht_order_max_ptrs) {
+	gs_ptr_type_t ret =
+	    ENUM_USING(st_ht_order, &eptr->order, sizeof(eptr->order),
+		       index - 1);
+
+	if (ret == 0)		/* don't stop early */
+	    ENUM_RETURN(0);
+	return ret;
+    }
+    return ENUM_USING(st_halftone, &eptr->halftone, sizeof(eptr->halftone),
+		      index - (1 + st_ht_order_max_ptrs));
+}
+ENUM_PTR(0, gs_screen_enum, pgs);
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(screen_enum_reloc_ptrs)
+{
+    RELOC_PTR(gs_screen_enum, pgs);
+    RELOC_USING(st_halftone, &eptr->halftone, sizeof(gs_halftone));
+    RELOC_USING(st_ht_order, &eptr->order, sizeof(gx_ht_order));
+}
+RELOC_PTRS_END
+
+#undef eptr
+
+/* Define the default value of AccurateScreens that affects */
+/* setscreen and setcolorscreen. */
+private bool screen_accurate_screens;
+
+/* Default AccurateScreens control */
+void
+gs_setaccuratescreens(bool accurate)
+{
+    screen_accurate_screens = accurate;
+}
+bool
+gs_currentaccuratescreens(void)
+{
+    return screen_accurate_screens;
+}
+
+/* Define the MinScreenLevels user parameter similarly. */
+private uint screen_min_screen_levels;
+
+void
+gs_setminscreenlevels(uint levels)
+{
+    screen_min_screen_levels = levels;
+}
+uint
+gs_currentminscreenlevels(void)
+{
+    return screen_min_screen_levels;
+}
+
+/* Initialize the screen control statics at startup. */
+void
+gs_gshtscr_init(gs_memory_t *mem)
+{
+    gs_setaccuratescreens(false);
+    gs_setminscreenlevels(1);
+}
+
+/*
+ * The following implementation notes complement the general discussion of
+ * halftone tiles found in gxdht.h.
+ *
+ * Currently we allow R(') > 1 (i.e., multiple basic cells per multi-cell)
+ * only if AccurateScreens is true or if B (the number of pixels in a basic
+ * cell) < MinScreenLevels; if AccurateScreens is false and B >=
+ * MinScreenLevels, multi-cells and basic cells are the same.
+ *
+ * To find the smallest super-cell for a given multi-cell size, i.e., the
+ * smallest (absolute value) coordinates where the corners of multi-cells
+ * lie on the coordinate axes, we compute the values of i and j that give
+ * the minimum value of W by:
+ *      D = gcd(abs(M'), abs(N)), i = M'/D, j = N/D, W = C / D,
+ * and similarly
+ *      D' = gcd(abs(M), abs(N')), i' = N'/D', j' = M/D', W' = C / D'.
+ */
+
+/* Compute the derived values of a halftone tile. */
+void
+gx_compute_cell_values(gx_ht_cell_params_t * phcp)
+{
+    const int M = phcp->M, N = phcp->N, M1 = phcp->M1, N1 = phcp->N1;
+    const uint m = any_abs(M), n = any_abs(N);
+    const uint m1 = any_abs(M1), n1 = any_abs(N1);
+    const ulong C = phcp->C = (ulong) m * m1 + (ulong) n * n1;
+    const int D = igcd(m1, n);
+    const int D1 = igcd(m, n1);
+
+    phcp->D = D, phcp->D1 = D1;
+    phcp->W = C / D, phcp->W1 = C / D1;
+    /* Compute the shift value. */
+    /* If M1 or N is zero, the shift is zero. */
+    if (M1 && N) {
+	int h = 0, k = 0, dy = 0;
+	int shift;
+
+	/*
+	 * There may be a faster way to do this: see Knuth vol. 2,
+	 * section 4.5.2, Algorithm X (p. 302) and exercise 15
+	 * (p. 315, solution p. 523).
+	 */
+	while (dy != D)
+	    if (dy > D) {
+		if (M1 > 0)
+		    ++k;
+		else
+		    --k;
+		dy -= m1;
+	    } else {
+		if (N > 0)
+		    ++h;
+		else
+		    --h;
+		dy += n;
+	    }
+	shift = h * M + k * N1;
+	/* We just computed what amounts to a right shift; */
+	/* what we want is a left shift. */
+	phcp->S = imod(-shift, phcp->W);
+    } else
+	phcp->S = 0;
+    if_debug12('h', "[h]MNR=(%d,%d)/%d, M'N'R'=(%d,%d)/%d => C=%lu, D=%d, D'=%d, W=%u, W'=%u, S=%d\n",
+	       M, N, phcp->R, M1, N1, phcp->R1,
+	       C, D, D1, phcp->W, phcp->W1, phcp->S);
+}
+
+/* Forward references */
+private int pick_cell_size(P6(gs_screen_halftone * ph,
+     const gs_matrix * pmat, ulong max_size, uint min_levels, bool accurate,
+			      gx_ht_cell_params_t * phcp));
+
+/* Allocate a screen enumerator. */
+gs_screen_enum *
+gs_screen_enum_alloc(gs_memory_t * mem, client_name_t cname)
+{
+    return gs_alloc_struct(mem, gs_screen_enum, &st_gs_screen_enum, cname);
+}
+
+/* Set up for halftone sampling. */
+int
+gs_screen_init(gs_screen_enum * penum, gs_state * pgs,
+	       gs_screen_halftone * phsp)
+{
+    return gs_screen_init_accurate(penum, pgs, phsp,
+				   screen_accurate_screens);
+}
+int
+gs_screen_init_memory(gs_screen_enum * penum, gs_state * pgs,
+		gs_screen_halftone * phsp, bool accurate, gs_memory_t * mem)
+{
+    int code =
+    gs_screen_order_init_memory(&penum->order, pgs, phsp, accurate, mem);
+
+    if (code < 0)
+	return code;
+    return
+	gs_screen_enum_init_memory(penum, &penum->order, pgs, phsp, mem);
+}
+
+/* Allocate and initialize a spot screen. */
+/* This is the first half of gs_screen_init_accurate. */
+int
+gs_screen_order_init_memory(gx_ht_order * porder, const gs_state * pgs,
+		gs_screen_halftone * phsp, bool accurate, gs_memory_t * mem)
+{
+    gs_matrix imat;
+    ulong max_size = pgs->ht_cache->bits_size;
+    uint num_levels;
+    int code;
+
+    if (phsp->frequency < 0.1)
+	return_error(gs_error_rangecheck);
+    gs_deviceinitialmatrix(gs_currentdevice(pgs), &imat);
+    code = pick_cell_size(phsp, &imat, max_size,
+			  screen_min_screen_levels, accurate,
+			  &porder->params);
+    if (code < 0)
+	return code;
+    gx_compute_cell_values(&porder->params);
+    num_levels = porder->params.W * porder->params.D;
+#if !FORCE_STRIP_HALFTONES
+    if (((ulong)porder->params.W1 * bitmap_raster(porder->params.W) +
+	 num_levels * sizeof(*porder->levels) +
+	 porder->params.W * porder->params.W1 * sizeof(*porder->bits)) <=
+	max_size) {
+	/*
+	 * Allocate an order for the entire tile, but only sample one
+	 * strip.  Note that this causes the order parameters to be
+	 * self-inconsistent until gx_ht_construct_spot_order fixes them
+	 * up: see gxdht.h for more information.
+	 */
+	code = gx_ht_alloc_order(porder, porder->params.W,
+				 porder->params.W1, 0,
+				 num_levels, mem);
+	porder->height = porder->orig_height = porder->params.D;
+	porder->shift = porder->orig_shift = porder->params.S;
+    } else
+#endif
+    {	/* Just allocate the order for a single strip. */
+	code = gx_ht_alloc_order(porder, porder->params.W,
+				 porder->params.D, porder->params.S,
+				 num_levels, mem);
+    }
+    if (code < 0)
+	return code;
+    return 0;
+}
+
+/*
+ * Given a desired frequency, angle, and minimum number of levels, a maximum
+ * cell size, and an AccurateScreens flag, pick values for M('), N('), and
+ * R(').  We want to get a good fit to the requested frequency and angle,
+ * provide at least the requested minimum number of levels, and keep
+ * rendering as fast as possible; trading these criteria off against each
+ * other is what makes the code complicated.
+ *
+ * We compute trial values u and v from the original values of F and A.
+ * Normally these will not be integers.  We then examine the 4 pairs of
+ * integers obtained by rounding each of u and v independently up or down,
+ * and pick the pair U, V that yields the closest match to the requested
+ * F and A values and doesn't require more than max_size storage for a
+ * single tile.  If no pair
+ * yields an acceptably small W, we divide both u and v by 2 and try again.
+ * Then we run the equations backward to obtain the actual F and A.
+ * This is fairly easy given that we require either xx = yy = 0 or
+ * xy = yx = 0.  In the former case, we have
+ *      U = (72 / F * xx) * cos(A);
+ *      V = (72 / F * yy) * sin(A);
+ * from which immediately
+ *      A = arctan((V / yy) / (U / xx)),
+ * or equivalently
+ *      A = arctan((V * xx) / (U * yy)).
+ * We can then obtain F as
+ *      F = (72 * xx / U) * cos(A),
+ * or equivalently
+ *      F = (72 * yy / V) * sin(A).
+ * For landscape devices, we replace xx by yx, yy by xy, and interchange
+ * sin and cos, resulting in
+ *      A = arctan((U * xy) / (V * yx))
+ * and
+ *      F = (72 * yx / U) * sin(A)
+ * or
+ *      F = (72 * xy / V) * cos(A).
+ */
+/* ph->frequency and ph->angle are input parameters; */
+/* the routine sets ph->actual_frequency and ph->actual_angle. */
+private int
+pick_cell_size(gs_screen_halftone * ph, const gs_matrix * pmat, ulong max_size,
+	       uint min_levels, bool accurate, gx_ht_cell_params_t * phcp)
+{
+    const bool landscape = (pmat->xy != 0.0 || pmat->yx != 0.0);
+
+    /* Account for a possibly reflected coordinate system. */
+    /* See gxstroke.c for the algorithm. */
+    const bool reflected = pmat->xy * pmat->yx > pmat->xx * pmat->yy;
+    const int reflection = (reflected ? -1 : 1);
+    const int rotation =
+    (landscape ? (pmat->yx < 0 ? 90 : -90) : pmat->xx < 0 ? 180 : 0);
+    const double f0 = ph->frequency, a0 = ph->angle;
+    const double T =
+    fabs((landscape ? pmat->yx / pmat->xy : pmat->xx / pmat->yy));
+    gs_point uv0;
+
+#define u0 uv0.x
+#define v0 uv0.y
+    int rt = 1;
+    double f = 0, a = 0;
+    double e_best = 1000;
+    bool better;
+
+    /*
+     * We need to find a vector in device space whose length is
+     * 1 inch / ph->frequency and whose angle is ph->angle.
+     * Because device pixels may not be square, we can't simply
+     * map the length to device space and then rotate it;
+     * instead, since we know that user space is uniform in X and Y,
+     * we calculate the correct angle in user space before rotation.
+     */
+
+    /* Compute trial values of u and v. */
+
+    {
+	gs_matrix rmat;
+
+	gs_make_rotation(a0 * reflection + rotation, &rmat);
+	gs_distance_transform(72.0 / f0, 0.0, &rmat, &uv0);
+	gs_distance_transform(u0, v0, pmat, &uv0);
+	if_debug10('h', "[h]Requested: f=%g a=%g mat=[%g %g %g %g] max_size=%lu min_levels=%u =>\n     u=%g v=%g\n",
+		   ph->frequency, ph->angle,
+		   pmat->xx, pmat->xy, pmat->yx, pmat->yy,
+		   max_size, min_levels, u0, v0);
+    }
+
+    /* Adjust u and v to reasonable values. */
+
+    if (u0 == 0 && v0 == 0)
+	return_error(gs_error_rangecheck);
+    while ((fabs(u0) + fabs(v0)) * rt < 4)
+	++rt;
+  try_size:
+    better = false;
+    {
+	int m0 = (int)floor(u0 * rt + 0.0001);
+	int n0 = (int)floor(v0 * rt + 0.0001);
+	gx_ht_cell_params_t p;
+
+	p.R = p.R1 = rt;
+	for (p.M = m0 + 1; p.M >= m0; p.M--)
+	    for (p.N = n0 + 1; p.N >= n0; p.N--) {
+		long raster, wt, wt_size;
+		double fr, ar, ft, at, f_diff, a_diff, f_err, a_err;
+
+		p.M1 = (int)floor(p.M / T + 0.5);
+		p.N1 = (int)floor(p.N * T + 0.5);
+		gx_compute_cell_values(&p);
+		if_debug3('h', "[h]trying m=%d, n=%d, r=%d\n", p.M, p.N, rt);
+		wt = p.W;
+		if (wt >= max_short)
+		    continue;
+		/* Check the strip size, not the full tile size, */
+		/* against max_size. */
+		raster = bitmap_raster(wt);
+		if (raster > max_size / p.D || raster > max_long / wt)
+		    continue;
+		wt_size = raster * wt;
+
+		/* Compute the corresponding values of F and A. */
+
+		if (landscape)
+		    ar = atan2(p.M * pmat->xy, p.N * pmat->yx),
+			fr = 72.0 * (p.M == 0 ? pmat->xy / p.N * cos(ar) :
+				     pmat->yx / p.M * sin(ar));
+		else
+		    ar = atan2(p.N * pmat->xx, p.M * pmat->yy),
+			fr = 72.0 * (p.M == 0 ? pmat->yy / p.N * sin(ar) :
+				     pmat->xx / p.M * cos(ar));
+		ft = fabs(fr) * rt;
+		/* Normalize the angle to the requested quadrant. */
+		at = (ar * radians_to_degrees - rotation) * reflection;
+		at -= floor(at / 180.0) * 180.0;
+		at += floor(a0 / 180.0) * 180.0;
+		f_diff = fabs(ft - f0);
+		a_diff = fabs(at - a0);
+		f_err = f_diff / fabs(f0);
+		/*
+		 * We used to compute the percentage difference here:
+		 *      a_err = (a0 == 0 ? a_diff : a_diff / fabs(a0));
+		 * but using the angle difference makes more sense:
+		 */
+		a_err = a_diff;
+
+		if_debug5('h', " ==> d=%d, wt=%ld, wt_size=%ld, f=%g, a=%g\n",
+			  p.D, wt, bitmap_raster(wt) * wt, ft, at);
+
+		/*
+		 * Minimize angle and frequency error within the
+		 * permitted maximum super-cell size.
+		 */
+
+		{
+		    double err = f_err * a_err;
+
+		    if (err > e_best)
+			continue;
+		    e_best = err;
+		}
+		*phcp = p;
+		f = ft, a = at;
+		better = true;
+		if_debug3('h', "*** best wt_size=%ld, f_diff=%g, a_diff=%g\n",
+			  wt_size, f_diff, a_diff);
+		if (f_err <= 0.01 && a_err <= 0.01)
+		    goto done;
+	    }
+    }
+    if (phcp->C < min_levels) {	/* We don't have enough levels yet.  Keep going. */
+	++rt;
+	goto try_size;
+    }
+    if (better) {		/* If we want accurate screens, continue till we fail. */
+	if (accurate) {
+	    ++rt;
+	    goto try_size;
+	}
+    } else {			/*
+				 * We couldn't find an acceptable M and N.  If R > 1,
+				 * take what we've got; if R = 1, give up.
+				 */
+	if (rt == 1)
+	    return_error(gs_error_rangecheck);
+    }
+
+    /* Deliver the results. */
+  done:
+    if_debug5('h', "[h]Chosen: f=%g a=%g M=%d N=%d R=%d\n",
+	      f, a, phcp->M, phcp->N, phcp->R);
+    ph->actual_frequency = f;
+    ph->actual_angle = a;
+    return 0;
+#undef u0
+#undef v0
+}
+
+/* Prepare to sample a spot screen. */
+/* This is the second half of gs_screen_init_accurate. */
+int
+gs_screen_enum_init_memory(gs_screen_enum * penum, const gx_ht_order * porder,
+	       gs_state * pgs, gs_screen_halftone * phsp, gs_memory_t * mem)
+{
+    penum->pgs = pgs;		/* ensure clean for GC */
+    penum->order = *porder;
+    penum->halftone.rc.memory = mem;
+    penum->halftone.type = ht_type_screen;
+    penum->halftone.params.screen = *phsp;
+    penum->x = penum->y = 0;
+    penum->strip = porder->num_levels / porder->width;
+    penum->shift = porder->shift;
+    /*
+     * We want a transformation matrix that maps the parallelogram
+     * (0,0), (U,V), (U-V',V+U'), (-V',U') to the square (+/-1, +/-1).
+     * If the coefficients are [a b c d e f] and we let
+     *      u = U = M/R, v = V = N/R,
+     *      r = -V' = -N'/R', s = U' = M'/R',
+     * then we just need to solve the equations:
+     *      a*0 + c*0 + e = -1      b*0 + d*0 + f = -1
+     *      a*u + c*v + e = 1       b*u + d*v + f = 1
+     *      a*r + c*s + e = -1      b*r + d*s + f = 1
+     * This has the following solution:
+     *      Q = 2 / (M*M' + N*N')
+     *      a = Q * R * M'
+     *      b = -Q * R' * N
+     *      c = Q * R * N'
+     *      d = Q * R' * M
+     *      e = -1
+     *      f = -1
+     */
+    {
+	const int M = porder->params.M, N = porder->params.N, R = porder->params.R;
+	const int M1 = porder->params.M1, N1 = porder->params.N1, R1 = porder->params.R1;
+	double Q = 2.0 / ((long)M * M1 + (long)N * N1);
+
+	penum->mat.xx = Q * (R * M1);
+	penum->mat.xy = Q * (-R1 * N);
+	penum->mat.yx = Q * (R * N1);
+	penum->mat.yy = Q * (R1 * M);
+	penum->mat.tx = -1.0;
+	penum->mat.ty = -1.0;
+    }
+    if_debug7('h', "[h]Screen: (%dx%d)/%d [%f %f %f %f]\n",
+	      porder->width, porder->height, porder->params.R,
+	      penum->mat.xx, penum->mat.xy,
+	      penum->mat.yx, penum->mat.yy);
+    return 0;
+}
+
+/* Report current point for sampling */
+int
+gs_screen_currentpoint(gs_screen_enum * penum, gs_point * ppt)
+{
+    gs_point pt;
+    int code;
+
+    if (penum->y >= penum->strip) {	/* all done */
+	gx_ht_construct_spot_order(&penum->order);
+	return 1;
+    }
+    /* We displace the sampled coordinates very slightly */
+    /* in order to reduce the likely number of points */
+    /* for which the spot function returns the same value. */
+    if ((code = gs_point_transform(penum->x + 0.501, penum->y + 0.498, &penum->mat, &pt)) < 0)
+	return code;
+    if (pt.x < -1.0)
+	pt.x += ((int)(-ceil(pt.x)) + 1) & ~1;
+    else if (pt.x >= 1.0)
+	pt.x -= ((int)pt.x + 1) & ~1;
+    if (pt.y < -1.0)
+	pt.y += ((int)(-ceil(pt.y)) + 1) & ~1;
+    else if (pt.y >= 1.0)
+	pt.y -= ((int)pt.y + 1) & ~1;
+    *ppt = pt;
+    return 0;
+}
+
+/* Record next halftone sample */
+int
+gs_screen_next(gs_screen_enum * penum, floatp value)
+{
+    ht_sample_t sample;
+    int width = penum->order.width;
+
+    if (value < -1.0 || value > 1.0)
+	return_error(gs_error_rangecheck);
+    /* The following statement was split into two */
+    /* to work around a bug in the Siemens C compiler. */
+    sample = (ht_sample_t) (value * max_ht_sample);
+    sample += max_ht_sample;	/* convert from signed to biased */
+#ifdef DEBUG
+    if (gs_debug_c('H')) {
+	gs_point pt;
+
+	gs_screen_currentpoint(penum, &pt);
+	dlprintf6("[H]sample x=%d y=%d (%f,%f): %f -> %u\n",
+		  penum->x, penum->y, pt.x, pt.y, value, sample);
+    }
+#endif
+    penum->order.bits[penum->y * width + penum->x].mask = sample;
+    if (++(penum->x) >= width)
+	penum->x = 0, ++(penum->y);
+    return 0;
+}
+
+/* Install a fully constructed screen in the gstate. */
+int
+gs_screen_install(gs_screen_enum * penum)
+{
+    gx_device_halftone dev_ht;
+
+    dev_ht.rc.memory = penum->halftone.rc.memory;
+    dev_ht.order = penum->order;
+    dev_ht.components = 0;
+    return gx_ht_install(penum->pgs, &penum->halftone, &dev_ht);
+}
diff --git a/pstoraster/gshtx.h b/pstoraster/gshtx.h
new file mode 100644
index 000000000..6e59644ba
--- /dev/null
+++ b/pstoraster/gshtx.h
@@ -0,0 +1,158 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* High-level interface to stand-alone halftone/transfer objects */
+
+#ifndef gshtx_INCLUDED
+#  define gshtx_INCLUDED
+
+#include "gsmemory.h"
+#include "gscsepnm.h"
+#include "gsht1.h"
+#include "gxtmap.h"
+
+/*
+ * The stand-alone halftone structures are opaque, and are placed in an opaque
+ * graphic state. 
+ */
+
+/* Alias type names */
+#define gs_ht gs_halftone
+#define gs_spot_ht gs_spot_halftone
+#define gs_threshold_ht gs_threshold_halftone
+#define gs_ht_component gs_halftone_component
+#define gs_multiple_ht gs_multiple_halftone
+/* Alias GC descriptors */
+#define st_gs_ht st_halftone
+#define st_ht_comp_element st_ht_component_element
+/* Alias member names */
+#define ht_spot spot
+#define ht_threshold threshold
+#define ht_multiple multiple
+
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+
+/*
+ * A "closure" form of gs_mapping_proc. This allows the procedure to access
+ * client data for the purpose of filling in the transfer information.
+ *
+ * As with PostScript transfer functions, the operand will be in the range
+ * [0, 1], and the result should be in the same range.
+ */
+typedef gs_mapping_closure_proc_t gs_ht_transfer_proc;	/* see gxtmap.h */
+
+/*
+ * Constructor, destructor, assign, and copy routines for a gs_ht
+ * structure, and to install them in the graphic state.
+ *
+ * Notes:
+ *
+ *    Construction of a gs_ht halftone requires two steps: creating the
+ *    overall halftone, and creating each of the components. Client data
+ *    must be provided for each of the latter steps.
+ *
+ *    The type field of gs_ht halftones will always be ht_type_multiple;
+ *    if only one component is required, this halftone will always be given
+ *    the component name "Default".
+ *
+ *    The type fields of the gs_ht_component structures pointed to by the
+ *    gs_multiple_ht structure will have the value ht_type_spot or
+ *    ht_type_threshold; the constructor routines will not build any
+ *    other types.
+ *
+ *    Individual component halftones of a gs_ht structure must always be
+ *    provided with transfer functions.
+ *
+ *    Releasing the gs_ht structure will NOT release the client data 
+ *    (the client must do that directly).
+ */
+
+extern int gs_ht_build(P3(gs_ht ** ppht, uint num_comps, gs_memory_t * pmem));
+
+extern int gs_ht_set_spot_comp(P9(
+				     gs_ht * pht,
+				     int component_index,
+				     gs_ht_separation_name sepr_name,
+				     float freq,
+				     float angle,
+				     float (*spot_func) (P2(floatp, floatp)),
+				     bool accurate,
+				     gs_ht_transfer_proc transfer,
+				     const void *client_data
+			       ));
+
+extern int gs_ht_set_threshold_comp(P8(
+					  gs_ht * pht,
+					  int component_index,
+					  gs_ht_separation_name sepr_name,
+					  int width,
+					  int height,
+					  const gs_const_string * thresholds,
+					  gs_ht_transfer_proc transfer,
+					  const void *client_data
+				    ));
+
+/*
+ * This procedure specifies a (possibly non-monotonic) halftone of size
+ * width x height with num_levels different levels (including white, always
+ * all 0s, but excluding black, always all 1s).  Each mask is in the form of
+ * a gs_bitmap, except that there is no row padding -- the 'raster' is
+ * ceil(width / 8).
+ *
+ * Note that the client is responsible for releasing the mask data.
+ */
+extern int gs_ht_set_mask_comp(P9(
+				     gs_ht * pht,
+				     int component_index,
+				     gs_ht_separation_name sepr_name,
+				     int width,
+				     int height,
+				     int num_levels,
+				     const byte * masks,	/* width x height x num_levels */
+				     gs_ht_transfer_proc transfer,
+				     const void *client_data
+			       ));
+
+extern void gs_ht_reference(P1(gs_ht * pht));
+extern void gs_ht_release(P1(gs_ht * pht));
+
+#define gs_ht_assign(pto, pfrom)    \
+    BEGIN                           \
+        gs_ht_reference(pfrom);     \
+        if (pto != 0)               \
+            gs_ht_release(pto);     \
+        pto = pfrom;                \
+    END
+
+#define gs_ht_init_ptr(pto, pfrom)          \
+    BEGIN gs_ht_reference(pfrom); pto = pfrom; END
+
+extern int gs_ht_install(P2(gs_state * pgs, gs_ht * pht));
+
+#endif /* gshtx_INCLUDED */
diff --git a/pstoraster/gsimage.c b/pstoraster/gsimage.c
new file mode 100644
index 000000000..127c9ab20
--- /dev/null
+++ b/pstoraster/gsimage.c
@@ -0,0 +1,326 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image setup procedures for Ghostscript library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gscspace.h"
+#include "gsmatrix.h"		/* for gsiparam.h */
+#include "gsimage.h"
+#include "gxarith.h"		/* for igcd */
+#include "gxdevice.h"
+#include "gxiparam.h"
+#include "gxpath.h"		/* for gx_effective_clip_path */
+#include "gzstate.h"
+
+/* Define the enumeration state for this interface layer. */
+							/*typedef struct gs_image_enum_s gs_image_enum; *//* in gsimage.h */
+struct gs_image_enum_s {
+    /* The following are set at initialization time. */
+    gs_memory_t *memory;
+    gx_device *dev;		/* if 0, just skip over the data */
+    gx_image_enum_common_t *info;	/* driver bookkeeping structure */
+    int num_planes;
+    int width, height;
+    uint raster;		/* bytes per row (per plane), no padding */
+    /* The following are updated dynamically. */
+    int plane_index;		/* index of next plane of data */
+    int y;
+    uint pos;			/* byte position within the scan line */
+    gs_const_string sources[gs_image_max_components];	/* source data */
+    gs_string rows[gs_image_max_components];	/* row buffers */
+    bool error;
+};
+
+gs_private_st_composite(st_gs_image_enum, gs_image_enum, "gs_image_enum",
+			gs_image_enum_enum_ptrs, gs_image_enum_reloc_ptrs);
+#define gs_image_enum_num_ptrs 2
+
+/* GC procedures */
+#define eptr ((gs_image_enum *)vptr)
+private 
+ENUM_PTRS_BEGIN(gs_image_enum_enum_ptrs)
+{
+    /* Enumerate the data planes. */
+    index -= gs_image_enum_num_ptrs;
+    if (index < eptr->plane_index)
+	ENUM_RETURN_STRING_PTR(gs_image_enum, sources[index]);
+    index -= eptr->plane_index;
+    if (index < eptr->num_planes)
+	ENUM_RETURN_STRING_PTR(gs_image_enum, rows[index]);
+    return 0;
+}
+ENUM_PTR(0, gs_image_enum, dev);
+ENUM_PTR(1, gs_image_enum, info);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(gs_image_enum_reloc_ptrs)
+{
+    int i;
+
+    RELOC_PTR(gs_image_enum, dev);
+    RELOC_PTR(gs_image_enum, info);
+    for (i = 0; i < eptr->plane_index; i++)
+	RELOC_CONST_STRING_PTR(gs_image_enum, sources[i]);
+    for (i = 0; i < eptr->num_planes; i++)
+	RELOC_STRING_PTR(gs_image_enum, rows[i]);
+}
+RELOC_PTRS_END
+#undef eptr
+
+/* Create an image enumerator given image parameters and a graphics state. */
+int
+gs_image_begin_typed(const gs_image_common_t * pic, gs_state * pgs,
+		     bool uses_color, gx_image_enum_common_t ** ppie)
+{
+    gx_device *dev = gs_currentdevice(pgs);
+    gx_clip_path *pcpath;
+    int code = gx_effective_clip_path(pgs, &pcpath);
+
+    if (code < 0)
+	return code;
+    if (uses_color)
+	gx_set_dev_color(pgs);
+    return gx_device_begin_typed_image(dev, (const gs_imager_state *)pgs,
+		NULL, pic, NULL, pgs->dev_color, pcpath, pgs->memory, ppie);
+}
+
+/* Allocate an image enumerator. */
+private void
+image_enum_init(gs_image_enum * penum)
+{				/* Clean pointers for GC. */
+    int i;
+
+    penum->info = 0;
+    penum->dev = 0;
+    for (i = 0; i < countof(penum->sources); ++i) {
+	penum->sources[i].data = 0, penum->sources[i].size = 0;
+	penum->rows[i].data = 0, penum->rows[i].size = 0;
+    }
+}
+gs_image_enum *
+gs_image_enum_alloc(gs_memory_t * mem, client_name_t cname)
+{
+    gs_image_enum *penum =
+    gs_alloc_struct(mem, gs_image_enum, &st_gs_image_enum, cname);
+
+    if (penum != 0) {
+	penum->memory = mem;
+	image_enum_init(penum);
+    }
+    return penum;
+}
+
+/* Start processing an ImageType 1 image. */
+int
+gs_image_init(gs_image_enum * penum, const gs_image_t * pim, bool multi,
+	      gs_state * pgs)
+{
+    gs_image_t image;
+    gx_image_enum_common_t *pie;
+    int code;
+
+    image = *pim;
+    if (image.ImageMask) {
+	image.ColorSpace = NULL;
+	if (pgs->in_cachedevice <= 1)
+	    image.adjust = false;
+    } else {
+	if (pgs->in_cachedevice)
+	    return_error(gs_error_undefined);
+	if (image.ColorSpace == NULL)
+	    image.ColorSpace =
+		gs_cspace_DeviceGray((const gs_imager_state *)pgs);
+    }
+    code = gs_image_begin_typed((const gs_image_common_t *)&image, pgs,
+				image.ImageMask | image.CombineWithColor,
+				&pie);
+    if (code < 0)
+	return code;
+    return gs_image_common_init(penum, pie,
+				(const gs_data_image_t *)&image,
+				pgs->memory,
+				(pgs->in_charpath ? NULL :
+				 gs_currentdevice_inline(pgs)));
+}
+/* Start processing a general image. */
+int
+gs_image_common_init(gs_image_enum * penum, gx_image_enum_common_t * pie,
+	    const gs_data_image_t * pim, gs_memory_t * mem, gx_device * dev)
+{
+    if (pim->Width == 0 || pim->Height == 0) {
+	gx_image_end(pie, false);
+	return 1;
+    }
+    image_enum_init(penum);
+    penum->memory = mem;
+    penum->dev = dev;
+    penum->info = pie;
+    penum->num_planes = pie->num_planes;
+    penum->width = pim->Width;
+    penum->height = pim->Height;
+/****** ALL PLANES MUST HAVE SAME DEPTH FOR NOW ******/
+    penum->raster = (pim->Width * pie->plane_depths[0] + 7) >> 3;
+    /* Initialize the dynamic part of the state. */
+    penum->plane_index = 0;
+    penum->y = 0;
+    penum->pos = 0;
+    penum->error = false;
+    return 0;
+}
+
+/*
+ * Return the number of bytes of data per row per plane.
+ */
+uint
+gs_image_bytes_per_plane_row(const gs_image_enum * penum, int plane)
+{
+/****** IGNORE PLANE FOR NOW ******/
+    return penum->raster;
+}
+
+/* Process the next piece of an image. */
+private int
+copy_planes(gx_device * dev, gs_image_enum * penum, const byte ** planes,
+	    int h)
+{
+    int code =
+	(penum->dev == 0 ? (penum->y + h < penum->height ? 0 : 1) :
+	 gx_image_data(penum->info, planes, 0, penum->raster, h));
+
+    if (code < 0)
+	penum->error = true;
+    return code;
+}
+int
+gs_image_next(gs_image_enum * penum, const byte * dbytes, uint dsize,
+	      uint * pused)
+{
+    gx_device *dev;
+    uint left;
+    int num_planes;
+    uint raster;
+    uint pos;
+    int code;
+
+    /*
+     * Handle the following differences between gs_image_next and
+     * the device image_data procedure:
+     *
+     *      - image_data requires an array of planes; gs_image_next
+     *      expects planes in successive calls.
+     *
+     *      - image_data requires that each call pass entire rows;
+     *      gs_image_next allows arbitrary amounts of data.
+     */
+    if (penum->plane_index != 0)
+	if (dsize != penum->sources[0].size)
+	    return_error(gs_error_rangecheck);
+    penum->sources[penum->plane_index].data = dbytes;
+    penum->sources[penum->plane_index].size = dsize;
+    if (++(penum->plane_index) != penum->num_planes)
+	return 0;
+    /* We have a full set of planes. */
+    dev = penum->dev;
+    left = dsize;
+    num_planes = penum->num_planes;
+    raster = penum->raster;
+    pos = penum->pos;
+    code = 0;
+    while (left && penum->y < penum->height) {
+	const byte *planes[gs_image_max_components];
+	int i;
+
+	for (i = 0; i < num_planes; ++i)
+	    planes[i] = penum->sources[i].data + dsize - left;
+	if (pos == 0 && left >= raster) {	/* Pass (a) row(s) directly from the source. */
+	    int h = left / raster;
+
+	    if (h > penum->height - penum->y)
+		h = penum->height - penum->y;
+	    code = copy_planes(dev, penum, planes, h);
+	    if (code < 0)
+		break;
+	    left -= raster * h;
+	    penum->y += h;
+	} else {		/* Buffer a partial row. */
+	    uint count = min(left, raster - pos);
+
+	    if (penum->rows[0].data == 0) {	/* Allocate the row buffers. */
+		for (i = 0; i < num_planes; ++i) {
+		    byte *row = gs_alloc_string(penum->memory, raster,
+						"gs_image_next(row)");
+
+		    if (row == 0) {
+			code = gs_note_error(gs_error_VMerror);
+			while (--i >= 0) {
+			    gs_free_string(penum->memory, penum->rows[i].data,
+					   raster, "gs_image_next(row)");
+			    penum->rows[i].data = 0;
+			    penum->rows[i].size = 0;
+			}
+			break;
+		    }
+		    penum->rows[i].data = row;
+		    penum->rows[i].size = raster;
+		}
+		if (code < 0)
+		    break;
+	    }
+	    for (i = 0; i < num_planes; ++i)
+		memcpy(penum->rows[i].data + pos, planes[i], count);
+	    pos += count;
+	    left -= count;
+	    if (pos == raster) {
+		for (i = 0; i < num_planes; ++i)
+		    planes[i] = penum->rows[i].data;
+		code = copy_planes(dev, penum, planes, 1);
+		if (code < 0)
+		    break;
+		pos = 0;
+		penum->y++;
+	    }
+	}
+    }
+    penum->pos = pos;
+    penum->plane_index = 0;
+    *pused = dsize - left;
+    return code;
+}
+
+/* Clean up after processing an image. */
+void
+gs_image_cleanup(gs_image_enum * penum)
+{
+    int i;
+
+    for (i = 0; i < penum->num_planes; ++i)
+	gs_free_string(penum->memory, penum->rows[i].data,
+		       penum->rows[i].size, "gs_image_cleanup(row)");
+    if (penum->dev != 0)
+	gx_image_end(penum->info, !penum->error);
+    /* Don't free the local enumerator -- the client does that. */
+}
diff --git a/pstoraster/gsimage.h b/pstoraster/gsimage.h
new file mode 100644
index 000000000..4f6e6b11e
--- /dev/null
+++ b/pstoraster/gsimage.h
@@ -0,0 +1,84 @@
+/* Copyright (C) 1992, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsstate.h */
+
+#ifndef gsimage_INCLUDED
+#  define gsimage_INCLUDED
+
+#include "gsiparam.h"
+
+/*
+ * Create an image enumerator given image parameters and a graphics state.
+ * This calls the device's begin_typed_image procedure with appropriate
+ * parameters.  Note that this is an enumerator that requires entire
+ * rows of data, not the buffered enumerator used by the procedures below:
+ * for this reason, we may move the prototype elsewhere in the future.
+ */
+#ifndef gx_image_enum_common_t_DEFINED
+#  define gx_image_enum_common_t_DEFINED
+typedef struct gx_image_enum_common_s gx_image_enum_common_t;
+
+#endif
+int gs_image_begin_typed(P4(const gs_image_common_t * pic, gs_state * pgs,
+			  bool uses_color, gx_image_enum_common_t ** ppie));
+
+/*
+ * The image painting interface uses an enumeration style:
+ * the client initializes an enumerator, then supplies data incrementally.
+ */
+typedef struct gs_image_enum_s gs_image_enum;
+gs_image_enum *gs_image_enum_alloc(P2(gs_memory_t *, client_name_t));
+
+/*
+ * image_init returns 1 for an empty image, 0 normally, <0 on error.
+ * Note that image_init serves for both image and imagemask,
+ * depending on the value of ImageMask in the image structure.
+ */
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+int gs_image_common_init(P5(gs_image_enum * penum, gx_image_enum_common_t * pie,
+			    const gs_data_image_t * pim,
+			    gs_memory_t * mem, gx_device * dev));
+int gs_image_init(P4(gs_image_enum * penum, const gs_image_t * pim,
+		     bool MultipleDataSources, gs_state * pgs));
+int gs_image_next(P4(gs_image_enum * penum, const byte * dbytes,
+		     uint dsize, uint * pused));
+
+/*
+ * Return the number of bytes of data per row
+ * (per plane, if MultipleDataSources is true).
+ */
+uint gs_image_bytes_per_plane_row(P2(const gs_image_enum * penum, int plane));
+
+#define gs_image_bytes_per_row(penum)\
+  gs_image_bytes_per_plane_row(penum, 0)
+/* Clean up after processing an image. */
+void gs_image_cleanup(P1(gs_image_enum * penum));
+
+#endif /* gsimage_INCLUDED */
diff --git a/pstoraster/gsimpath.c b/pstoraster/gsimpath.c
new file mode 100644
index 000000000..503398b1f
--- /dev/null
+++ b/pstoraster/gsimpath.c
@@ -0,0 +1,191 @@
+/* Copyright (C) 1989, 1992, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image to outline conversion for Ghostscript library */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsmatrix.h"
+#include "gsstate.h"
+#include "gspath.h"
+
+/* Define the state of the conversion process. */
+typedef struct {
+    /* The following are set at the beginning of the conversion. */
+    gs_state *pgs;
+    const byte *data;		/* image data */
+    int width, height, raster;
+    /* The following are updated dynamically. */
+    int dx, dy;			/* X/Y increment of current run */
+    int count;			/* # of steps in current run */
+} status;
+
+/* Define the scaling for the path tracer. */
+/* It must be even. */
+#define outline_scale 4
+/* Define the length of the short strokes for turning corners. */
+#define step 1
+
+/* Forward declarations */
+private int get_pixel(P3(const status *, int, int));
+private int trace_from(P4(status *, int, int, int));
+private int add_dxdy(P4(status *, int, int, int));
+
+#define add_deltas(s, dx, dy, n)\
+  if ( (code = add_dxdy(s, dx, dy, n)) < 0 ) return code
+/* Append an outline derived from an image to the current path. */
+int
+gs_imagepath(gs_state * pgs, int width, int height, const byte * data)
+{
+    status stat;
+    status *out = &stat;
+    int code, x, y;
+
+    /* Initialize the state. */
+    stat.pgs = pgs;
+    stat.data = data;
+    stat.width = width;
+    stat.height = height;
+    stat.raster = (width + 7) / 8;
+    /* Trace the cells to form an outline.  The trace goes in clockwise */
+    /* order, always starting by going west along a bottom edge. */
+    for (y = height - 1; y >= 0; y--)
+	for (x = width - 1; x >= 0; x--) {
+	    if (get_pixel(out, x, y) && !get_pixel(out, x, y - 1) &&
+	      (!get_pixel(out, x + 1, y) || get_pixel(out, x + 1, y - 1)) &&
+		!trace_from(out, x, y, 1)
+		) {		/* Found a starting point */
+		stat.count = 0;
+		stat.dx = stat.dy = 0;
+		if ((code = trace_from(out, x, y, 0)) < 0)
+		    return code;
+		add_deltas(out, 0, 0, 1);	/* force out last segment */
+		if ((code = gs_closepath(pgs)) < 0)
+		    return code;
+	    }
+	}
+    return 0;
+}
+
+/* Get a pixel from the data.  Return 0 if outside the image. */
+private int
+get_pixel(register const status * out, int x, int y)
+{
+    if (x < 0 || x >= out->width || y < 0 || y >= out->height)
+	return 0;
+    return (out->data[y * out->raster + (x >> 3)] >> (~x & 7)) & 1;
+}
+
+/* Trace a path.  If detect is true, don't draw, just return 1 if we ever */
+/* encounter a starting point whose x,y follows that of the initial point */
+/* in x-then-y scan order; if detect is false, actually draw the outline. */
+private int
+trace_from(register status * out, int x0, int y0, int detect)
+{
+    int x = x0, y = y0;
+    int dx = -1, dy = 0;	/* initially going west */
+    int part = 0;		/* how far along edge we are; */
+
+    /* initialized only to pacify gcc */
+    int code;
+
+    if (!detect) {
+	part = (get_pixel(out, x + 1, y - 1) ?
+		outline_scale - step : step);
+	code = gs_moveto(out->pgs,
+			 x + 1 - part / (float)outline_scale,
+			 (float)y);
+	if (code < 0)
+	    return code;
+    }
+    while (1) {			/* Relative to the current direction, */
+	/* -dy,dx is at +90 degrees (counter-clockwise); */
+	/* tx,ty is at +45 degrees; */
+	/* ty,-tx is at -45 degrees (clockwise); */
+	/* dy,-dx is at -90 degrees. */
+	int tx = dx - dy, ty = dy + dx;
+
+	if (get_pixel(out, x + tx, y + ty)) {	/* Cell at 45 degrees is full, */
+	    /* go counter-clockwise. */
+	    if (!detect) {	/* If this is a 90 degree corner set at a */
+		/* 45 degree angle, avoid backtracking. */
+		if (out->dx == ty && out->dy == -tx) {
+#define half_scale (outline_scale / 2 - step)
+		    out->count -= half_scale;
+		    add_deltas(out, tx, ty, outline_scale / 2);
+#undef half_scale
+		} else {
+		    add_deltas(out, dx, dy, step - part);
+		    add_deltas(out, tx, ty, outline_scale - step);
+		}
+		part = outline_scale - step;
+	    }
+	    x += tx, y += ty;
+	    dx = -dy, dy += tx;
+	} else if (!get_pixel(out, x + dx, y + dy)) {	/* Cell straight ahead is empty, go clockwise. */
+	    if (!detect) {
+		add_deltas(out, dx, dy, outline_scale - step - part);
+		add_deltas(out, ty, -tx, step);
+		part = step;
+	    }
+	    dx = dy, dy -= ty;
+	} else {		/* Neither of the above, go in same direction. */
+	    if (!detect) {
+		add_deltas(out, dx, dy, outline_scale);
+	    }
+	    x += dx, y += dy;
+	}
+	if (dx == -step && dy == 0 && !(tx == -step && ty == -step)) {	/* We just turned a corner and are going west, */
+	    /* so the previous pixel is a starting point pixel. */
+	    if (x == x0 && y == y0)
+		return 0;
+	    if (detect && (y > y0 || (y == y0 && x > x0)))
+		return 1;
+	}
+    }
+}
+
+/* Add a (dx, dy) pair to the path being formed. */
+/* Accumulate successive segments in the same direction. */
+private int
+add_dxdy(register status * out, int dx, int dy, int count)
+{
+    if (count != 0) {
+	if (dx == out->dx && dy == out->dy)
+	    out->count += count;
+	else {
+	    if (out->count != 0) {
+		int code = gs_rlineto(out->pgs,
+				out->dx * out->count / (float)outline_scale,
+			       out->dy * out->count / (float)outline_scale);
+
+		if (code < 0)
+		    return code;
+	    }
+	    out->dx = dx, out->dy = dy;
+	    out->count = count;
+	}
+    }
+    return 0;
+}
diff --git a/pstoraster/gsinit.c b/pstoraster/gsinit.c
new file mode 100644
index 000000000..eddb5aa1c
--- /dev/null
+++ b/pstoraster/gsinit.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Initialization for the imager */
+#include "stdio_.h"
+#include "memory_.h"
+#include "gdebug.h"
+#include "gscdefs.h"
+#include "gsmemory.h"
+#include "gsmalloc.h"
+#include "gp.h"
+#include "gslib.h"		/* interface definition */
+
+/* Imported from gsmisc.c */
+extern FILE *gs_debug_out;
+
+/* Configuration information from gconfig.c. */
+extern_gx_init_table();
+
+/* Initialization to be done before anything else. */
+void
+gs_lib_init(FILE * debug_out)
+{
+    gs_lib_init1(gs_lib_init0(debug_out));
+}
+gs_memory_t *
+gs_lib_init0(FILE * debug_out)
+{
+    gs_memory_t *mem;
+
+    gs_debug_out = debug_out;
+    mem = (gs_memory_t *) gs_malloc_init();
+    /* Reset debugging flags */
+    memset(gs_debug, 0, 128);
+    gs_log_errors = 0;
+    return mem;
+}
+void
+gs_lib_init1(gs_memory_t * mem)
+{				/* Run configuration-specific initialization procedures. */
+    {
+	void (*const *ipp) (P1(gs_memory_t *));
+
+	for (ipp = gx_init_table; *ipp != 0; ++ipp)
+	    (**ipp) (mem);
+    }
+}
+
+/* Clean up after execution. */
+void
+gs_lib_finit(int exit_status, int code)
+{
+    fflush(stderr);		/* in case of error exit */
+    /* Do platform-specific cleanup. */
+    gp_exit(exit_status, code);
+    gs_malloc_release();
+}
diff --git a/pstoraster/gsio.h b/pstoraster/gsio.h
new file mode 100644
index 000000000..a5791961f
--- /dev/null
+++ b/pstoraster/gsio.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 1989, 1990, 1993, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* stdio redirection */
+
+#ifndef gsio_INCLUDED
+#  define gsio_INCLUDED
+
+/* The library and interpreter never use stdin/out/err directly. */
+extern FILE *gs_stdin, *gs_stdout, *gs_stderr;
+
+/* Redefine all the relevant stdio functions to use the above. */
+/* Some functions we make illegal, rather than redefining them. */
+#undef stdin
+#define stdin gs_stdin
+#undef stdout
+#define stdout gs_stdout
+#undef stderr
+#define stderr gs_stderr
+#undef fgetchar
+#define fgetchar() fgetc(stdin)
+#undef fputchar
+#define fputchar(c) fputc(c, stdout)
+#undef getchar
+#define getchar() getc(stdin)
+#undef gets
+#define gets Function._gets_.unavailable
+/* We should do something about perror, but since many Unix systems */
+/* don't provide the strerror function, we can't.  (No Aladdin-maintained */
+/* code uses perror.) */
+#undef printf
+#define printf Function._printf_.unavailable
+#undef putchar
+#define putchar(c) fputc(c, stdout)
+#undef puts
+#define puts(s) (fputs(s, stdout), putchar('\n'))
+#undef scanf
+#define scanf Function._scanf_.unavailable
+#undef vprintf
+#define vprintf Function._vprintf_.unavailable
+#undef vscanf
+#define vscanf Function._vscanf_.unavailable
+
+#endif /* gsio_INCLUDED */
diff --git a/pstoraster/gsiodev.c b/pstoraster/gsiodev.c
new file mode 100644
index 000000000..a140c365f
--- /dev/null
+++ b/pstoraster/gsiodev.c
@@ -0,0 +1,318 @@
+/* Copyright (C) 1993, 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* IODevice implementation for Ghostscript */
+#include "errno_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gp.h"
+#include "gscdefs.h"
+#include "gsparam.h"
+#include "gsstruct.h"
+#include "gxiodev.h"
+
+/* Import the IODevice table from gconf.c. */
+extern_gx_io_device_table();
+
+/* Define a table of local copies of the IODevices, */
+/* allocated at startup.  This just postpones the day of reckoning.... */
+private gx_io_device **io_device_table;
+
+private_st_io_device();
+gs_private_st_ptr(st_io_device_ptr, gx_io_device *, "gx_io_device *",
+		  iodev_ptr_enum_ptrs, iodev_ptr_reloc_ptrs);
+gs_private_st_element(st_io_device_ptr_element, gx_io_device *,
+      "gx_io_device *[]", iodev_ptr_elt_enum_ptrs, iodev_ptr_elt_reloc_ptrs,
+		      st_io_device_ptr);
+
+/* Define the OS (%os%) device. */
+iodev_proc_fopen(iodev_os_fopen);
+iodev_proc_fclose(iodev_os_fclose);
+private iodev_proc_delete_file(os_delete);
+private iodev_proc_rename_file(os_rename);
+private iodev_proc_file_status(os_status);
+private iodev_proc_enumerate_files(os_enumerate);
+private iodev_proc_get_params(os_get_params);
+const gx_io_device gs_iodev_os =
+{
+    "%os%", "FileSystem",
+    {iodev_no_init, iodev_no_open_device,
+     NULL /*iodev_os_open_file */ , iodev_os_fopen, iodev_os_fclose,
+     os_delete, os_rename, os_status,
+     os_enumerate, gp_enumerate_files_next, gp_enumerate_files_close,
+     os_get_params, iodev_no_put_params
+    }
+};
+
+/* ------ Initialization ------ */
+
+void
+gs_iodev_init(gs_memory_t * mem)
+{				/* Make writable copies of all IODevices. */
+    gx_io_device **table =
+	gs_alloc_struct_array(mem, gx_io_device_table_count,
+			      gx_io_device *, &st_io_device_ptr_element,
+			      "gsiodev_init(table)");
+    uint i;
+
+    for (i = 0; i < gx_io_device_table_count; ++i) {
+	table[i] = gs_alloc_struct(mem, gx_io_device, &st_io_device,
+				   "gsiodev_init");
+	memcpy(table[i], gx_io_device_table[i], sizeof(gx_io_device));
+    }
+    io_device_table = table;
+    gs_register_struct_root(mem, NULL, (void **)&io_device_table,
+			    "io_device_table");
+    /* Run the one-time initialization of each IODevice. */
+    for (i = 0; i < gx_io_device_table_count; ++i)
+	(table[i]->procs.init) (table[i], mem);
+}
+
+/* ------ Default (unimplemented) IODevice procedures ------ */
+
+int
+iodev_no_init(gx_io_device * iodev, gs_memory_t * mem)
+{
+    return 0;
+}
+
+int
+iodev_no_open_device(gx_io_device * iodev, const char *access, stream ** ps,
+		     gs_memory_t * mem)
+{
+    return_error(gs_error_invalidfileaccess);
+}
+
+int
+iodev_no_open_file(gx_io_device * iodev, const char *fname, uint namelen,
+		   const char *access, stream ** ps, gs_memory_t * mem)
+{
+    return_error(gs_error_invalidfileaccess);
+}
+
+int
+iodev_no_fopen(gx_io_device * iodev, const char *fname, const char *access,
+	       FILE ** pfile, char *rfname, uint rnamelen)
+{
+    return_error(gs_error_invalidfileaccess);
+}
+
+int
+iodev_no_fclose(gx_io_device * iodev, FILE * file)
+{
+    return_error(gs_error_ioerror);
+}
+
+int
+iodev_no_delete_file(gx_io_device * iodev, const char *fname)
+{
+    return_error(gs_error_invalidfileaccess);
+}
+
+int
+iodev_no_rename_file(gx_io_device * iodev, const char *from, const char *to)
+{
+    return_error(gs_error_invalidfileaccess);
+}
+
+int
+iodev_no_file_status(gx_io_device * iodev, const char *fname, struct stat *pstat)
+{
+    return_error(gs_error_undefinedfilename);
+}
+
+file_enum *
+iodev_no_enumerate_files(gx_io_device * iodev, const char *pat, uint patlen,
+			 gs_memory_t * memory)
+{
+    return NULL;
+}
+
+int
+iodev_no_get_params(gx_io_device * iodev, gs_param_list * plist)
+{
+    return 0;
+}
+
+int
+iodev_no_put_params(gx_io_device * iodev, gs_param_list * plist)
+{
+    return param_commit(plist);
+}
+
+/* ------ %os% ------ */
+
+/* The fopen routine is exported for %null. */
+int
+iodev_os_fopen(gx_io_device * iodev, const char *fname, const char *access,
+	       FILE ** pfile, char *rfname, uint rnamelen)
+{
+    errno = 0;
+    *pfile = gp_fopen(fname, access);
+    if (*pfile == NULL)
+	return_error(gs_fopen_errno_to_code(errno));
+    if (rfname != NULL)
+	strcpy(rfname, fname);
+    return 0;
+}
+
+/* The fclose routine is exported for %null. */
+int
+iodev_os_fclose(gx_io_device * iodev, FILE * file)
+{
+    fclose(file);
+    return 0;
+}
+
+private int
+os_delete(gx_io_device * iodev, const char *fname)
+{
+    return (unlink(fname) == 0 ? 0 : gs_error_ioerror);
+}
+
+private int
+os_rename(gx_io_device * iodev, const char *from, const char *to)
+{
+    return (rename(from, to) == 0 ? 0 : gs_error_ioerror);
+}
+
+private int
+os_status(gx_io_device * iodev, const char *fname, struct stat *pstat)
+{				/* The RS/6000 prototype for stat doesn't include const, */
+    /* so we have to explicitly remove the const modifier. */
+    return (stat((char *)fname, pstat) < 0 ? gs_error_undefinedfilename : 0);
+}
+
+private file_enum *
+os_enumerate(gx_io_device * iodev, const char *pat, uint patlen,
+	     gs_memory_t * mem)
+{
+    return gp_enumerate_files_init(pat, patlen, mem);
+}
+
+private int
+os_get_params(gx_io_device * iodev, gs_param_list * plist)
+{				/* We aren't going to implement *all* of the Adobe parameters.... */
+    int code;
+    bool btrue = true;
+
+    if ((code = param_write_bool(plist, "HasNames", &btrue)) < 0)
+	return code;
+    return 0;
+}
+
+/* ------ Utilities ------ */
+
+/* Get the N'th IODevice from the known device table. */
+gx_io_device *
+gs_getiodevice(int index)
+{
+    if (index < 0 || index >= gx_io_device_table_count)
+	return 0;		/* index out of range */
+    return io_device_table[index];
+}
+
+/* Look up an IODevice name. */
+/* The name may be either %device or %device%. */
+gx_io_device *
+gs_findiodevice(const byte * str, uint len)
+{
+    gx_io_device **pftab;
+
+    if (len > 1 && str[len - 1] == '%')
+	len--;
+    for (pftab = io_device_table; *pftab != NULL; pftab++) {
+	const char *dname = (*pftab)->dname;
+
+	if (strlen(dname) == len + 1 && !memcmp(str, dname, len))
+	    return *pftab;
+    }
+    return 0;
+}
+
+/* ------ Accessors ------ */
+
+/* Get IODevice parameters. */
+int
+gs_getdevparams(gx_io_device * iodev, gs_param_list * plist)
+{				/* All IODevices have the Type parameter. */
+    gs_param_string ts;
+    int code;
+
+    param_string_from_string(ts, iodev->dtype);
+    code = param_write_name(plist, "Type", &ts);
+    if (code < 0)
+	return code;
+    return (*iodev->procs.get_params) (iodev, plist);
+}
+
+/* Put IODevice parameters. */
+int
+gs_putdevparams(gx_io_device * iodev, gs_param_list * plist)
+{
+    return (*iodev->procs.put_params) (iodev, plist);
+}
+
+/* Convert an OS error number to a PostScript error */
+/* if opening a file fails. */
+int
+gs_fopen_errno_to_code(int eno)
+{				/* Different OSs vary widely in their error codes. */
+    /* We try to cover as many variations as we know about. */
+    switch (eno) {
+#ifdef ENOENT
+	case ENOENT:
+	    return_error(gs_error_undefinedfilename);
+#endif
+#ifdef ENOFILE
+#  ifndef ENOENT
+#    define ENOENT ENOFILE
+#  endif
+#  if ENOFILE != ENOENT
+	case ENOFILE:
+	    return_error(gs_error_undefinedfilename);
+#  endif
+#endif
+#ifdef ENAMETOOLONG
+	case ENAMETOOLONG:
+	    return_error(gs_error_undefinedfilename);
+#endif
+#ifdef EACCES
+	case EACCES:
+	    return_error(gs_error_invalidfileaccess);
+#endif
+#ifdef EMFILE
+	case EMFILE:
+	    return_error(gs_error_limitcheck);
+#endif
+#ifdef ENFILE
+	case ENFILE:
+	    return_error(gs_error_limitcheck);
+#endif
+	default:
+	    return_error(gs_error_ioerror);
+    }
+}
diff --git a/pstoraster/gsiparam.h b/pstoraster/gsiparam.h
new file mode 100644
index 000000000..650295b78
--- /dev/null
+++ b/pstoraster/gsiparam.h
@@ -0,0 +1,289 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image parameter definition */
+
+#ifndef gsiparam_INCLUDED
+#  define gsiparam_INCLUDED
+
+#include "gsmatrix.h"
+
+/* ---------------- Image parameters ---------------- */
+
+/*
+ * Unfortunately, we defined the gs_image_t type as designating an ImageType
+ * 1 image or mask before we realized that there were going to be other
+ * ImageTypes.  We could redefine this type to include a type field without
+ * perturbing clients, but it would break implementations of driver
+ * begin_image procedures, since they are currently only prepared to handle
+ * ImageType 1 images and would have to be modified to check the ImageType.
+ * Therefore, we use gs_image_common_t for an abstract image type, and
+ * gs_image<n>_t for the various ImageTypes.
+ */
+
+/*
+ * Define the data common to all image types.  The type structure is
+ * opaque here, defined in gxiparam.h.
+ */
+#ifndef gx_image_type_DEFINED
+#  define gx_image_type_DEFINED
+typedef struct gx_image_type_s gx_image_type_t;
+
+#endif
+#define gs_image_common\
+	const gx_image_type_t *type;\
+		/*\
+		 * Define the transformation from user space to image space.\
+		 */\
+	gs_matrix ImageMatrix
+typedef struct gs_image_common_s {
+    gs_image_common;
+} gs_image_common_t;
+
+#define public_st_gs_image_common() /* in gxiinit.c */\
+  gs_public_st_simple(st_gs_image_common, gs_image_common_t,\
+    "gs_image_common_t")
+
+/*
+ * Define the maximum number of components in image data.  When we
+ * support DeviceN color spaces, we will have to rethink this.
+ * 5 is either CMYK + alpha or mask + CMYK.
+ */
+#define gs_image_max_components 5
+
+/*
+ * Define the structure for defining data common to ImageType 1 images,
+ * ImageType 3 DataDicts and MaskDicts, and ImageType 4 images -- i.e.,
+ * all the image types that use explicitly supplied data.  It follows
+ * closely the discussion on pp. 219-223 of the PostScript Language
+ * Reference Manual, Second Edition, with the following exceptions:
+ *
+ *      DataSource and MultipleDataSources are not members of this
+ *      structure, since the structure doesn't take a position on
+ *      how the data are actually supplied.
+ */
+#define gs_data_image_common\
+	gs_image_common;\
+		/*\
+		 * Define the width of source image in pixels.\
+		 */\
+	int Width;\
+		/*\
+		 * Define the height of source image in pixels.\
+		 */\
+	int Height;\
+		/*\
+		 * Define B, the number of bits per pixel component.\
+		 * Currently this must be 1 for masks.\
+		 */\
+	int BitsPerComponent;\
+		/*\
+		 * Define the linear remapping of the input values.\
+		 * For the I'th pixel component, we start by treating\
+		 * the B bits of component data as a fraction F between\
+		 * 0 and 1; the actual component value is then\
+		 * Decode[I*2] + F * (Decode[I*2+1] - Decode[I*2]).\
+		 * For masks, only the first two entries are used;\
+		 * they must be 1,0 for write-0s masks, 0,1 for write-1s.\
+		 */\
+	float Decode[gs_image_max_components * 2];\
+		/*\
+		 * Define whether to smooth the image.\
+		 */\
+	bool Interpolate
+typedef struct gs_data_image_s {
+    gs_data_image_common;
+} gs_data_image_t;
+
+#define public_st_gs_data_image() /* in gxiinit.c */\
+  gs_public_st_simple(st_gs_data_image, gs_data_image_t,\
+    "gs_data_image_t")
+
+/*
+ * Define the data common to ImageType 1 images, ImageType 3 DataDicts,
+ * and ImageType 4 images -- i.e., all the image types that provide pixel
+ * (as opposed to mask) data.  The following are added to the PostScript
+ * image parameters:
+ *
+ *      format is not PostScript or PDF standard: it is normally derived
+ *      from MultipleDataSources.
+ *
+ *      ColorSpace is added from PDF.
+ *
+ *      CombineWithColor is not PostScript or PDF standard: see the
+ *      RasterOp section of language.doc for a discussion of
+ *      CombineWithColor.
+ */
+typedef enum {
+    /* Single plane, chunky pixels. */
+    gs_image_format_chunky = 0,
+    /* num_components planes, chunky components. */
+    gs_image_format_component_planar = 1,
+    /* BitsPerComponent * num_components planes, 1 bit per plane */
+/****** NOT SUPPORTED YET, DO NOT USE ******/
+    gs_image_format_bit_planar = 2
+} gs_image_format_t;
+
+/* Define an opaque type for a color space. */
+#ifndef gs_color_space_DEFINED
+#  define gs_color_space_DEFINED
+typedef struct gs_color_space_s gs_color_space;
+
+#endif
+
+#define gs_pixel_image_common\
+	gs_data_image_common;\
+		/*\
+		 * Define how the pixels are divided up into planes.\
+		 */\
+	gs_image_format_t format;\
+		/*\
+		 * Define the source color space (must be NULL for masks).\
+		 */\
+	const gs_color_space *ColorSpace;\
+		/*\
+		 * Define whether to use the drawing color as the\
+		 * "texture" for RasterOp.  For more information,\
+		 * see the discussion of RasterOp in language.doc.\
+		 */\
+	bool CombineWithColor
+typedef struct gs_pixel_image_s {
+    gs_pixel_image_common;
+} gs_pixel_image_t;
+
+#define public_st_gs_pixel_image() /* in gxiinit.c */\
+  gs_public_st_ptrs1(st_gs_pixel_image, gs_pixel_image_t,\
+    "gs_data_image_t", pixel_image_enum_ptrs, pixel_image_reloc_ptrs,\
+    ColorSpace)
+
+/*
+ * Define an ImageType 1 image.  ImageMask is an added member from PDF.
+ * adjust and Alpha are not PostScript or PDF standard.
+ */
+typedef enum {
+    /* No alpha.  This must be 0 for true-false tests. */
+    gs_image_alpha_none = 0,
+    /* Alpha precedes color components. */
+    gs_image_alpha_first,
+    /* Alpha follows color components. */
+    gs_image_alpha_last
+} gs_image_alpha_t;
+
+typedef struct gs_image1_s {
+    gs_pixel_image_common;
+    /*
+     * Define whether this is a mask or a solid image.
+     * For masks, Alpha must be 'none'.
+     */
+    bool ImageMask;
+    /*
+     * Define whether to expand each destination pixel, to make
+     * masked characters look better.  Only used for masks.
+     */
+    bool adjust;
+    /*
+     * Define whether there is an additional component providing
+     * alpha information for each pixel, in addition to the
+     * components implied by the color space.
+     */
+    gs_image_alpha_t Alpha;
+} gs_image1_t;
+
+/*
+ * In standard PostScript Level 1 and 2, this is the only defined ImageType.
+ */
+typedef gs_image1_t gs_image_t;
+
+/*
+ * Define procedures for initializing the standard forms of image structures
+ * to default values.  Note that because these structures may add more
+ * members in the future, all clients constructing gs_*image*_t values
+ * *must* start by initializing the value by calling one of the following
+ * procedures.  Note also that these procedures do not set the image type.
+ */
+void
+  /*
+   * Sets ImageMatrix to the identity matrix.
+   */
+     gs_image_common_t_init(P1(gs_image_common_t * pic)),	/*
+								 * Also sets Width = Height = 0, BitsPerComponent = 1,
+								 * format = chunky, Interpolate = false.
+								 * If num_components = N > 0, sets the first N elements of Decode to (0, 1);
+								 * if num_components = N < 0, sets the first -N elements of Decode to (1, 0);
+								 * if num_components = 0, doesn't set Decode.
+								 */
+     gs_data_image_t_init(P2(gs_data_image_t * pim, int num_components)),
+  /*
+   * Also sets CombineWithColor = false, ColorSpace = color_space, Alpha =
+   * none.  num_components is obtained from ColorSpace; if ColorSpace =
+   * NULL or ColorSpace is a Pattern space, num_components is taken as 0
+   * (Decode is not initialized).
+   */
+    gs_pixel_image_t_init(P2(gs_pixel_image_t * pim,
+			     const gs_color_space * color_space));
+
+/*
+ * Initialize an ImageType 1 image (or imagemask).  Also sets ImageMask,
+ * adjust, and Alpha, and the image type.  For masks, write_1s = false
+ * paints 0s, write_1s = true paints 1s.  This is consistent with the
+ * "polarity" operand of the PostScript imagemask operator.
+ */
+void gs_image_t_init(P2(gs_image_t * pim, const gs_color_space * pcs));
+void gs_image_t_init_mask(P2(gs_image_t * pim, bool write_1s));
+
+/* init_gray and init_color require a (const) imager state. */
+#define gs_image_t_init_gray(pim, pis)\
+  gs_image_t_init(pim, gs_cspace_DeviceGray(pis))
+#define gs_image_t_init_rgb(pim, pis)\
+  gs_image_t_init(pim, gs_cspace_DeviceRGB(pis))
+#define gs_image_t_init_cmyk(pim, pis)\
+  gs_image_t_init(pim, gs_cspace_DeviceCMYK(pis))
+
+/****** REMAINDER OF FILE UNDER CONSTRUCTION. PROCEED AT YOUR OWN RISK. ******/
+
+#if 0
+
+/* ---------------- Services ---------------- */
+
+/*
+   In order to make the driver's life easier, we provide the following callback
+   procedure:
+ */
+
+int gx_map_image_color(P5(gx_device * dev,
+			  const gs_image_t * pim,
+			  const gx_color_rendering_info * pcri,
+			  const uint components[4],
+			  gx_drawing_color * pdcolor));
+
+/*
+   Map a source color to a drawing color.  The components are simply the pixel
+   component values from the input data, i.e., 1 to 4 B-bit numbers from the
+   source data.  Return 0 if the operation succeeded, or a negative error code.
+ */
+
+#endif /*************************************************************** */
+
+#endif /* gsiparam_INCLUDED */
diff --git a/pstoraster/gsiparm2.h b/pstoraster/gsiparm2.h
new file mode 100644
index 000000000..f69875f30
--- /dev/null
+++ b/pstoraster/gsiparm2.h
@@ -0,0 +1,63 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* ImageType 2 image parameter definition */
+
+#ifndef gsiparm2_INCLUDED
+#  define gsiparm2_INCLUDED
+
+#include "gsiparam.h"
+
+/* Opaque type for a path */
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+#endif
+
+/*
+ * See Section 7.1 of the Adobe PostScript Version 3010 Supplement
+ * for a definition of ImageType 2 images.
+ */
+
+typedef struct gs_image2_s {
+    gs_image_common;
+    gs_state *DataSource;
+    float XOrigin, YOrigin;
+    float Width, Height;
+    /*
+     * If UnpaintedPath is not 0, any unpainted path will be appended to it.
+     */
+    gx_path *UnpaintedPath;
+    bool PixelCopy;
+} gs_image2_t;
+
+/*
+ * Initialize an ImageType 2 image.  Defaults:
+ *      UnpaintedPath = 0
+ *      PixelCopy = false
+ */
+void gs_image2_t_init(P1(gs_image2_t * pim));
+
+#endif /* gsiparm2_INCLUDED */
diff --git a/pstoraster/gsiparm3.h b/pstoraster/gsiparm3.h
new file mode 100644
index 000000000..0f5272518
--- /dev/null
+++ b/pstoraster/gsiparm3.h
@@ -0,0 +1,67 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* LanguageLevel 3 (ImageType 3 & 4) image parameter definition */
+
+#ifndef gsiparm3_INCLUDED
+#  define gsiparm3_INCLUDED
+
+#include "gsiparam.h"
+
+/*
+ * See Section 4.3 of the Adobe PostScript Version 3010 Supplement
+ * for a definition of ImageType 3 and 4 images.
+ */
+
+/*
+ * If InterleaveType is 3, the data source for the mask is provided as an
+ * additional data source *before* the data sources for the pixel data.  For
+ * both InterleaveType 2 and 3, the client is responsible for always
+ * providing mask data before the pixel data that it masks.  (The
+ * implementation does not currently check this, but it should.)
+ */
+typedef enum {
+    interleave_chunky = 1,
+    interleave_scan_lines = 2,
+    interleave_separate_source = 3
+} gs_image3_interleave_type_t;
+typedef struct gs_image3_s {
+    gs_pixel_image_common;	/* DataDict */
+    int InterleaveType;
+    gs_data_image_t MaskDict;
+} gs_image3_t;
+
+/* We export the GC descriptor because ImageType 4 subclasses it. */
+#define public_st_gs_image3()	/* in gximage3.c */\
+  gs_public_st_suffix_add0(st_gs_image3, gs_image3_t, "gs_image3_t",\
+    image3_enum_ptrs, image3_reloc_ptrs, st_gs_pixel_image)
+
+/*
+ * Initialize an ImageType 3 image.
+ */
+void gs_image3_t_init(P3(gs_image3_t * pim, const gs_color_space * color_space,
+			 gs_image3_interleave_type_t interleave_type));
+
+#endif /* gsiparm3_INCLUDED */
diff --git a/pstoraster/gsiparm4.h b/pstoraster/gsiparm4.h
new file mode 100644
index 000000000..6b9103cce
--- /dev/null
+++ b/pstoraster/gsiparm4.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* ImageType 4 image parameter definition */
+
+#ifndef gsiparm4_INCLUDED
+#  define gsiparm4_INCLUDED
+
+#include "gsiparam.h"
+
+/*
+ * See Section 4.3 of the Adobe PostScript Version 3010 Supplement
+ * for a definition of ImageType 4 images.
+ */
+
+typedef struct gs_image4_s {
+    gs_pixel_image_common;
+    /*
+     * If MaskColor_is_range is false, the first N elements of
+     * MaskColor are sample values; if MaskColor_is_range is true,
+     * the first 2*N elements are ranges of sample values.
+     *
+     * Currently, the largest sample values supported by the library are 12
+     * bits, but eventually we want to support DevicePixel images with
+     * samples up to 32 bits as well.
+     */
+    bool MaskColor_is_range;
+    uint MaskColor[gs_image_max_components * 2];
+} gs_image4_t;
+
+/*
+ * Initialize an ImageType 4 image.  Defaults:
+ *      MaskColor_is_range = false
+ */
+void gs_image4_t_init(P2(gs_image4_t * pim, const gs_color_space * color_space));
+
+#endif /* gsiparm4_INCLUDED */
diff --git a/pstoraster/gsjconf.h b/pstoraster/gsjconf.h
new file mode 100644
index 000000000..758aceed6
--- /dev/null
+++ b/pstoraster/gsjconf.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* jconfig.h file for Independent JPEG Group code */
+
+#ifndef gsjconf_INCLUDED
+#  define gsjconf_INCLUDED
+
+/*
+ * We should have the following here:
+
+ #include "stdpre.h"
+
+ * But because of the directory structure used to build the IJG library, we
+ * actually concatenate stdpre.h on the front of this file instead to
+ * construct the jconfig.h file used for the compilation.
+ */
+
+#include "arch.h"
+
+/* See IJG's jconfig.doc for the contents of this file. */
+
+#ifdef __PROTOTYPES__
+#  define HAVE_PROTOTYPES
+#endif
+
+#define HAVE_UNSIGNED_CHAR
+#define HAVE_UNSIGNED_SHORT
+#undef CHAR_IS_UNSIGNED
+
+#ifdef __STDC__			/* is this right? */
+#  define HAVE_STDDEF_H
+#  define HAVE_STDLIB_H
+#endif
+
+#undef NEED_BSD_STRINGS		/* WRONG */
+#undef NEED_SYS_TYPES_H		/* WRONG */
+#undef NEED_FAR_POINTERS
+#undef NEED_SHORT_EXTERNAL_NAMES
+
+#undef INCOMPLETE_TYPES_BROKEN
+
+/* The following is documented in jmemsys.h, not jconfig.doc. */
+#if arch_ints_are_short
+#  undef MAX_ALLOC_CHUNK
+#  define MAX_ALLOC_CHUNK 0xfff0
+#endif
+
+#ifdef JPEG_INTERNALS
+
+#if arch_arith_rshift == 0
+#  define RIGHT_SHIFT_IS_UNSIGNED
+#else
+#  undef RIGHT_SHIFT_IS_UNSIGNED
+#endif
+
+#endif /* JPEG_INTERNALS */
+
+#endif /* gsjconf_INCLUDED */
diff --git a/pstoraster/gsjmorec.h b/pstoraster/gsjmorec.h
new file mode 100644
index 000000000..8ddac547a
--- /dev/null
+++ b/pstoraster/gsjmorec.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* "Wrapper" for Independent JPEG Group code jmorecfg.h */
+
+#ifndef gsjmorec_INCLUDED
+#  define gsjmorec_INCLUDED
+
+#include "jmcorig.h"
+
+/* Remove unwanted / unneeded features. */
+#undef DCT_IFAST_SUPPORTED
+#if FPU_TYPE <= 0
+#  undef DCT_FLOAT_SUPPORTED
+#endif
+#undef C_MULTISCAN_FILES_SUPPORTED
+#undef C_PROGRESSIVE_SUPPORTED
+#undef ENTROPY_OPT_SUPPORTED
+#undef INPUT_SMOOTHING_SUPPORTED
+
+/****** Comment out the next two lines to add progressive decoding. ******/
+#undef D_MULTISCAN_FILES_SUPPORTED
+#undef D_PROGRESSIVE_SUPPORTED
+
+#undef BLOCK_SMOOTHING_SUPPORTED
+#undef IDCT_SCALING_SUPPORTED
+#undef UPSAMPLE_SCALING_SUPPORTED
+#undef UPSAMPLE_MERGING_SUPPORTED
+#undef QUANT_1PASS_SUPPORTED
+#undef QUANT_2PASS_SUPPORTED
+/*
+ * Read "JPEG" files with up to 64 blocks/MCU for Adobe compatibility.
+ * Note that this #define will have no effect in pre-v6 IJG versions.
+ */
+#define D_MAX_BLOCKS_IN_MCU   64
+
+#endif /* gsjmorec_INCLUDED */
diff --git a/pstoraster/gslib.h b/pstoraster/gslib.h
new file mode 100644
index 000000000..bb33e9fd7
--- /dev/null
+++ b/pstoraster/gslib.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires stdio.h, gsmemory.h */
+
+#ifndef gslib_INCLUDED
+#  define gslib_INCLUDED
+
+/*
+ * Initialize the library.  gs_lib_init does all of the initialization,
+ * using the C heap for initial allocation; if a client wants the library to
+ * use a different default allocator during initialization, it should call
+ * gs_lib_init0 and then gs_lib_init1.
+ */
+void gs_lib_init(P1(FILE * debug_out));
+gs_memory_t *gs_lib_init0(P1(FILE * debug_out));
+void gs_lib_init1(P1(gs_memory_t *));
+
+/* Clean up after execution. */
+void gs_lib_finit(P2(int exit_status, int code));
+
+#endif /* gslib_INCLUDED */
diff --git a/pstoraster/gsline.c b/pstoraster/gsline.c
new file mode 100644
index 000000000..e6bfdf372
--- /dev/null
+++ b/pstoraster/gsline.c
@@ -0,0 +1,340 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Line parameter operators for Ghostscript library */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxfixed.h"		/* ditto */
+#include "gxmatrix.h"		/* for gzstate */
+#include "gzstate.h"
+#include "gsline.h"		/* for prototypes */
+#include "gzline.h"
+
+/* ------ Device-independent parameters ------ */
+
+#define pgs_lp gs_currentlineparams_inline(pgs)
+
+/* setlinewidth */
+int
+gs_setlinewidth(gs_state * pgs, floatp width)
+{
+    gx_set_line_width(pgs_lp, width);
+    return 0;
+}
+
+/* currentlinewidth */
+float
+gs_currentlinewidth(const gs_state * pgs)
+{
+    return gx_current_line_width(pgs_lp);
+}
+
+/* setlinecap */
+int
+gs_setlinecap(gs_state * pgs, gs_line_cap cap)
+{
+    if ((uint) cap > gs_line_cap_max)
+	return_error(gs_error_rangecheck);
+    pgs_lp->cap = cap;
+    return 0;
+}
+
+/* currentlinecap */
+gs_line_cap
+gs_currentlinecap(const gs_state * pgs)
+{
+    return pgs_lp->cap;
+}
+
+/* setlinejoin */
+int
+gs_setlinejoin(gs_state * pgs, gs_line_join join)
+{
+    if ((uint) join > gs_line_join_max)
+	return_error(gs_error_rangecheck);
+    pgs_lp->join = join;
+    return 0;
+}
+
+/* currentlinejoin */
+gs_line_join
+gs_currentlinejoin(const gs_state * pgs)
+{
+    return pgs_lp->join;
+}
+
+/* setmiterlimit */
+int
+gx_set_miter_limit(gx_line_params * plp, floatp limit)
+{
+    if (limit < 1.0)
+	return_error(gs_error_rangecheck);
+    plp->miter_limit = limit;
+    /*
+     * Compute the miter check value.  The supplied miter limit is an
+     * upper bound on 1/sin(phi/2); we convert this to a lower bound on
+     * tan(phi).  Note that if phi > pi/2, this is negative.  We use the
+     * half-angle and angle-sum formulas here to avoid the trig functions.
+     * We also need a special check for phi/2 close to pi/4.
+     * Some C compilers can't handle this as a conditional expression....
+     */
+    {
+	double limit_squared = limit * limit;
+
+	if (limit_squared < 2.0001 && limit_squared > 1.9999)
+	    plp->miter_check = 1.0e6;
+	else
+	    plp->miter_check =
+		sqrt(limit_squared - 1) * 2 / (limit_squared - 2);
+    }
+    return 0;
+}
+int
+gs_setmiterlimit(gs_state * pgs, floatp limit)
+{
+    return gx_set_miter_limit(pgs_lp, limit);
+}
+
+/* currentmiterlimit */
+float
+gs_currentmiterlimit(const gs_state * pgs)
+{
+    return pgs_lp->miter_limit;
+}
+
+/* setdash */
+int
+gx_set_dash(gx_dash_params * dash, const float *pattern, uint length,
+	    floatp offset, gs_memory_t * mem)
+{
+    uint n = length;
+    const float *dfrom = pattern;
+    bool ink = true;
+    int index = 0;
+    float pattern_length = 0.0;
+    float dist_left;
+    float *ppat = dash->pattern;
+
+    /* Check the dash pattern. */
+    while (n--) {
+	float elt = *dfrom++;
+
+	if (elt < 0)
+	    return_error(gs_error_rangecheck);
+	pattern_length += elt;
+    }
+    if (length == 0) {		/* empty pattern */
+	dist_left = 0.0;
+	if (mem && ppat) {
+	    gs_free_object(mem, ppat, "gx_set_dash(old pattern)");
+	    ppat = 0;
+	}
+    } else {
+	uint size = length * sizeof(float);
+
+	if (pattern_length == 0)
+	    return_error(gs_error_rangecheck);
+	/* Compute the initial index, ink_on, and distance left */
+	/* in the pattern, according to the offset. */
+#define f_mod(a, b) ((a) - floor((a) / (b)) * (b))
+	if (length & 1) {	/* Odd and even repetitions of the pattern */
+	    /* have opposite ink values! */
+	    float length2 = pattern_length * 2;
+
+	    dist_left = f_mod(offset, length2);
+	    if (dist_left >= pattern_length)
+		dist_left -= pattern_length, ink = !ink;
+	} else
+	    dist_left = f_mod(offset, pattern_length);
+	while ((dist_left -= pattern[index]) >= 0 &&
+	       (dist_left > 0 || pattern[index] != 0)
+	    )
+	    ink = !ink, index++;
+	if (mem) {
+	    if (ppat == 0)
+		ppat = (float *)gs_alloc_bytes(mem, size,
+					       "gx_set_dash(pattern)");
+	    else if (length != dash->pattern_size)
+		ppat = gs_resize_object(mem, ppat, size,
+					"gx_set_dash(pattern)");
+	    if (ppat == 0)
+		return_error(gs_error_VMerror);
+	}
+	memcpy(ppat, pattern, length * sizeof(float));
+    }
+    dash->pattern = ppat;
+    dash->pattern_size = length;
+    dash->offset = offset;
+    dash->pattern_length = pattern_length;
+    dash->init_ink_on = ink;
+    dash->init_index = index;
+    dash->init_dist_left = -dist_left;
+    return 0;
+}
+int
+gs_setdash(gs_state * pgs, const float *pattern, uint length, floatp offset)
+{
+    return gx_set_dash(&pgs_lp->dash, pattern, length, offset,
+		       pgs->memory);
+}
+
+/* currentdash */
+uint
+gs_currentdash_length(const gs_state * pgs)
+{
+    return pgs_lp->dash.pattern_size;
+}
+const float *
+gs_currentdash_pattern(const gs_state * pgs)
+{
+    return pgs_lp->dash.pattern;
+}
+float
+gs_currentdash_offset(const gs_state * pgs)
+{
+    return pgs_lp->dash.offset;
+}
+
+/* Internal accessor for line parameters */
+const gx_line_params *
+gs_currentlineparams(const gs_imager_state * pis)
+{
+    return gs_currentlineparams_inline(pis);
+}
+
+/* ------ Device-dependent parameters ------ */
+
+/* setflat */
+int
+gs_imager_setflat(gs_imager_state * pis, floatp flat)
+{
+    if (flat <= 0.2)
+	flat = 0.2;
+    else if (flat > 100)
+	flat = 100;
+    pis->flatness = flat;
+    return 0;
+}
+int
+gs_setflat(gs_state * pgs, floatp flat)
+{
+    return gs_imager_setflat((gs_imager_state *) pgs, flat);
+}
+
+/* currentflat */
+float
+gs_currentflat(const gs_state * pgs)
+{
+    return pgs->flatness;
+}
+
+/* setstrokeadjust */
+int
+gs_setstrokeadjust(gs_state * pgs, bool stroke_adjust)
+{
+    pgs->stroke_adjust = stroke_adjust;
+    return 0;
+}
+
+/* currentstrokeadjust */
+bool
+gs_currentstrokeadjust(const gs_state * pgs)
+{
+    return pgs->stroke_adjust;
+}
+
+/* ------ Extensions ------ */
+
+/* Device-independent */
+
+/* setdashadapt */
+void
+gs_setdashadapt(gs_state * pgs, bool adapt)
+{
+    pgs_lp->dash.adapt = adapt;
+}
+
+/* currentdashadapt */
+bool
+gs_imager_currentdashadapt(const gs_imager_state * pis)
+{
+    return gs_currentlineparams_inline(pis)->dash.adapt;
+}
+bool
+gs_currentdashadapt(const gs_state * pgs)
+{
+    return gs_imager_currentdashadapt((const gs_imager_state *)pgs);
+}
+
+/* Device-dependent */
+
+/* setaccuratecurves */
+void
+gs_setaccuratecurves(gs_state * pgs, bool accurate)
+{
+    pgs->accurate_curves = accurate;
+}
+
+/* currentaccuratecurves */
+bool
+gs_imager_currentaccuratecurves(const gs_imager_state * pis)
+{
+    return pis->accurate_curves;
+}
+bool
+gs_currentaccuratecurves(const gs_state * pgs)
+{
+    return gs_imager_currentaccuratecurves((const gs_imager_state *)pgs);
+}
+
+/* setdotlength */
+int
+gx_set_dot_length(gx_line_params * plp, floatp length, bool absolute)
+{
+    if (length < 0)
+	return_error(gs_error_rangecheck);
+    plp->dot_length = length;
+    plp->dot_length_absolute = absolute;
+    return 0;
+}
+int
+gs_setdotlength(gs_state * pgs, floatp length, bool absolute)
+{
+    return gx_set_dot_length(pgs_lp, length, absolute);
+}
+
+/* currentdotlength */
+float
+gs_currentdotlength(const gs_state * pgs)
+{
+    return pgs_lp->dot_length;
+}
+bool
+gs_currentdotlength_absolute(const gs_state * pgs)
+{
+    return pgs_lp->dot_length_absolute;
+}
diff --git a/pstoraster/gsline.h b/pstoraster/gsline.h
new file mode 100644
index 000000000..00e06bd81
--- /dev/null
+++ b/pstoraster/gsline.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 1994, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Line parameter and quality definitions */
+
+#ifndef gsline_INCLUDED
+#  define gsline_INCLUDED
+
+#include "gslparam.h"
+
+/* Procedures */
+int gs_setlinewidth(P2(gs_state *, floatp));
+float gs_currentlinewidth(P1(const gs_state *));
+int gs_setlinecap(P2(gs_state *, gs_line_cap));
+
+gs_line_cap
+gs_currentlinecap(P1(const gs_state *));
+int gs_setlinejoin(P2(gs_state *, gs_line_join));
+
+gs_line_join
+gs_currentlinejoin(P1(const gs_state *));
+int gs_setmiterlimit(P2(gs_state *, floatp));
+float gs_currentmiterlimit(P1(const gs_state *));
+int gs_setdash(P4(gs_state *, const float *, uint, floatp));
+uint gs_currentdash_length(P1(const gs_state *));
+const float *
+      gs_currentdash_pattern(P1(const gs_state *));
+float gs_currentdash_offset(P1(const gs_state *));
+int gs_setflat(P2(gs_state *, floatp));
+float gs_currentflat(P1(const gs_state *));
+int gs_setstrokeadjust(P2(gs_state *, bool));
+bool gs_currentstrokeadjust(P1(const gs_state *));
+
+/* Extensions */
+void gs_setaccuratecurves(P2(gs_state *, bool));
+bool gs_currentaccuratecurves(P1(const gs_state *));
+void gs_setdashadapt(P2(gs_state *, bool));
+bool gs_currentdashadapt(P1(const gs_state *));
+int gs_setdotlength(P3(gs_state *, floatp, bool));
+float gs_currentdotlength(P1(const gs_state *));
+bool gs_currentdotlength_absolute(P1(const gs_state *));
+
+/* Imager-level procedures */
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+int gs_imager_setflat(P2(gs_imager_state *, floatp));
+bool gs_imager_currentdashadapt(P1(const gs_imager_state *));
+bool gs_imager_currentaccuratecurves(P1(const gs_imager_state *));
+
+#endif /* gsline_INCLUDED */
diff --git a/pstoraster/gslparam.h b/pstoraster/gslparam.h
new file mode 100644
index 000000000..17ae76488
--- /dev/null
+++ b/pstoraster/gslparam.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Line parameter definitions */
+
+#ifndef gslparam_INCLUDED
+#  define gslparam_INCLUDED
+
+/* Line cap values */
+typedef enum {
+    gs_cap_butt = 0,
+    gs_cap_round = 1,
+    gs_cap_square = 2,
+    gs_cap_triangle = 3		/* not supported by PostScript */
+} gs_line_cap;
+
+#define gs_line_cap_max 3
+
+/* Line join values */
+typedef enum {
+    gs_join_miter = 0,
+    gs_join_round = 1,
+    gs_join_bevel = 2,
+    gs_join_none = 3,		/* not supported by PostScript */
+    gs_join_triangle = 4	/* not supported by PostScript */
+} gs_line_join;
+
+#define gs_line_join_max 4
+
+#endif /* gslparam_INCLUDED */
diff --git a/pstoraster/gsmalloc.c b/pstoraster/gsmalloc.c
new file mode 100644
index 000000000..146576783
--- /dev/null
+++ b/pstoraster/gsmalloc.c
@@ -0,0 +1,398 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* C heap allocator */
+#include "malloc_.h"
+#include "gdebug.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsmdebug.h"
+#include "gsstruct.h"		/* for st_bytes */
+#include "gsmalloc.h"
+
+/* ------ Heap allocator ------ */
+
+/*
+ * An implementation of Ghostscript's memory manager interface
+ * that works directly with the C heap.  We keep track of all allocated
+ * blocks so we can free them at cleanup time.
+ */
+/* Raw memory procedures */
+private gs_memory_proc_alloc_bytes(gs_heap_alloc_bytes);
+private gs_memory_proc_resize_object(gs_heap_resize_object);
+private gs_memory_proc_free_object(gs_heap_free_object);
+private gs_memory_proc_status(gs_heap_status);
+private gs_memory_proc_free_all(gs_heap_free_all);
+
+/* Object memory procedures */
+private gs_memory_proc_alloc_struct(gs_heap_alloc_struct);
+private gs_memory_proc_alloc_byte_array(gs_heap_alloc_byte_array);
+private gs_memory_proc_alloc_struct_array(gs_heap_alloc_struct_array);
+private gs_memory_proc_object_size(gs_heap_object_size);
+private gs_memory_proc_object_type(gs_heap_object_type);
+private gs_memory_proc_alloc_string(gs_heap_alloc_string);
+private gs_memory_proc_resize_string(gs_heap_resize_string);
+private gs_memory_proc_free_string(gs_heap_free_string);
+private gs_memory_proc_register_root(gs_heap_register_root);
+private gs_memory_proc_unregister_root(gs_heap_unregister_root);
+private gs_memory_proc_enable_free(gs_heap_enable_free);
+private const gs_memory_procs_t gs_malloc_memory_procs =
+{
+    /* Raw memory procedures */
+    gs_heap_alloc_bytes,
+    gs_heap_resize_object,
+    gs_heap_free_object,
+    gs_heap_status,
+    gs_heap_free_all,
+    gs_ignore_consolidate_free,
+    /* Object memory procedures */
+    gs_heap_alloc_bytes,
+    gs_heap_alloc_struct,
+    gs_heap_alloc_struct,
+    gs_heap_alloc_byte_array,
+    gs_heap_alloc_byte_array,
+    gs_heap_alloc_struct_array,
+    gs_heap_alloc_struct_array,
+    gs_heap_object_size,
+    gs_heap_object_type,
+    gs_heap_alloc_string,
+    gs_heap_alloc_string,
+    gs_heap_resize_string,
+    gs_heap_free_string,
+    gs_heap_register_root,
+    gs_heap_unregister_root,
+    gs_heap_enable_free
+};
+
+/* We must make sure that malloc_blocks leave the block aligned. */
+/*typedef struct gs_malloc_block_s gs_malloc_block_t; */
+#define malloc_block_data\
+	gs_malloc_block_t *next;\
+	gs_malloc_block_t *prev;\
+	uint size;\
+	gs_memory_type_ptr_t type;\
+	client_name_t cname
+struct malloc_block_data_s {
+    malloc_block_data;
+};
+struct gs_malloc_block_s {
+    malloc_block_data;
+/* ANSI C does not allow zero-size arrays, so we need the following */
+/* unnecessary and wasteful workaround: */
+#define _npad (-size_of(struct malloc_block_data_s) & 7)
+    byte _pad[(_npad == 0 ? 8 : _npad)];	/* pad to double */
+#undef _npad
+};
+
+/* Define the default allocator. */
+gs_malloc_memory_t *gs_malloc_memory_default;
+
+/* Initialize a malloc allocator. */
+private long heap_available(P0());
+gs_malloc_memory_t *
+gs_malloc_memory_init(void)
+{
+    gs_malloc_memory_t *mem = calloc(1, sizeof(gs_malloc_memory_t));
+
+    mem->procs = gs_malloc_memory_procs;
+    mem->allocated = 0;
+    mem->limit = max_long;
+    mem->used = 0;
+    mem->max_used = 0;
+    return mem;
+}
+/*
+ * Estimate the amount of available memory by probing with mallocs.
+ * We may under-estimate by a lot, but that's better than winding up with
+ * a seriously inflated address space.  This is quite a hack!
+ */
+#define max_malloc_probes 20
+#define malloc_probe_size 64000
+private long
+heap_available(void)
+{
+    long avail = 0;
+    void *probes[max_malloc_probes];
+    uint n;
+
+    for (n = 0; n < max_malloc_probes; n++) {
+	if ((probes[n] = malloc(malloc_probe_size)) == 0)
+	    break;
+	if_debug2('a', "[a]heap_available probe[%d]=0x%lx\n",
+		  n, (ulong) probes[n]);
+	avail += malloc_probe_size;
+    }
+    while (n)
+	free(probes[--n]);
+    return avail;
+}
+
+/* Allocate various kinds of blocks. */
+private byte *
+gs_heap_alloc_bytes(gs_memory_t * mem, uint size, client_name_t cname)
+{
+    gs_malloc_memory_t *mmem = (gs_malloc_memory_t *) mem;
+    byte *ptr = 0;
+
+#ifdef DEBUG
+    const char *msg;
+    static const char *const ok_msg = "OK";
+
+#  define set_msg(str) (msg = (str))
+#else
+#  define set_msg(str) DO_NOTHING
+#endif
+
+    if (size > mmem->limit - sizeof(gs_malloc_block_t)) {
+	/* Definitely too large to allocate; also avoids overflow. */
+	set_msg("exceeded limit");
+    } else {
+	uint added = size + sizeof(gs_malloc_block_t);
+
+	if (mmem->limit - added < mmem->used)
+	    set_msg("exceeded limit");
+	else if ((ptr = (byte *) calloc(1, added)) == 0)
+	    set_msg("failed");
+	else {
+	    gs_malloc_block_t *bp = (gs_malloc_block_t *) ptr;
+
+	    if (mmem->allocated)
+		mmem->allocated->prev = bp;
+	    bp->next = mmem->allocated;
+	    bp->prev = 0;
+	    bp->size = size;
+	    bp->type = &st_bytes;
+	    bp->cname = cname;
+	    mmem->allocated = bp;
+	    set_msg(ok_msg);
+	    ptr = (byte *) (bp + 1);
+	    gs_alloc_fill(ptr, gs_alloc_fill_alloc, size);
+	    mmem->used += size + sizeof(gs_malloc_block_t);
+	    if (mmem->used > mmem->max_used)
+		mmem->max_used = mmem->used;
+	}
+    }
+#ifdef DEBUG
+    if (gs_debug_c('a') || msg != ok_msg)
+	dlprintf4("[a+]gs_malloc(%s)(%u) = 0x%lx: %s\n",
+		  client_name_string(cname), size, (ulong) ptr, msg);
+#endif
+    return ptr;
+#undef set_msg
+}
+private void *
+gs_heap_alloc_struct(gs_memory_t * mem, gs_memory_type_ptr_t pstype,
+		     client_name_t cname)
+{
+    void *ptr =
+    gs_heap_alloc_bytes(mem, gs_struct_type_size(pstype), cname);
+
+    if (ptr == 0)
+	return 0;
+    ((gs_malloc_block_t *) ptr)[-1].type = pstype;
+    return ptr;
+}
+private byte *
+gs_heap_alloc_byte_array(gs_memory_t * mem, uint num_elements, uint elt_size,
+			 client_name_t cname)
+{
+    ulong lsize = (ulong) num_elements * elt_size;
+
+    if (lsize != (uint) lsize)
+	return 0;
+    return gs_heap_alloc_bytes(mem, (uint) lsize, cname);
+}
+private void *
+gs_heap_alloc_struct_array(gs_memory_t * mem, uint num_elements,
+			   gs_memory_type_ptr_t pstype, client_name_t cname)
+{
+    void *ptr =
+    gs_heap_alloc_byte_array(mem, num_elements,
+			     gs_struct_type_size(pstype), cname);
+
+    if (ptr == 0)
+	return 0;
+    ((gs_malloc_block_t *) ptr)[-1].type = pstype;
+    return ptr;
+}
+private void *
+gs_heap_resize_object(gs_memory_t * mem, void *obj, uint new_num_elements,
+		      client_name_t cname)
+{
+    gs_malloc_memory_t *mmem = (gs_malloc_memory_t *) mem;
+    gs_malloc_block_t *ptr = (gs_malloc_block_t *) obj - 1;
+    gs_memory_type_ptr_t pstype = ptr->type;
+    uint old_size = gs_object_size(mem, obj) + sizeof(gs_malloc_block_t);
+    uint new_size =
+    gs_struct_type_size(pstype) * new_num_elements +
+    sizeof(gs_malloc_block_t);
+    gs_malloc_block_t *new_ptr =
+    (gs_malloc_block_t *) gs_realloc(ptr, old_size, new_size);
+
+    if (new_ptr == 0)
+	return 0;
+    if (new_ptr->prev)
+	new_ptr->prev->next = new_ptr;
+    else
+	mmem->allocated = new_ptr;
+    if (new_ptr->next)
+	new_ptr->next->prev = new_ptr;
+    new_ptr->size = new_size - sizeof(gs_malloc_block_t);
+    mmem->used -= old_size;
+    mmem->used += new_size;
+    if (new_size > old_size)
+	gs_alloc_fill((byte *) new_ptr + old_size,
+		      gs_alloc_fill_alloc, new_size - old_size);
+    return new_ptr + 1;
+}
+private uint
+gs_heap_object_size(gs_memory_t * mem, const void *ptr)
+{
+    return ((const gs_malloc_block_t *)ptr)[-1].size;
+}
+private gs_memory_type_ptr_t
+gs_heap_object_type(gs_memory_t * mem, const void *ptr)
+{
+    return ((const gs_malloc_block_t *)ptr)[-1].type;
+}
+private void
+gs_heap_free_object(gs_memory_t * mem, void *ptr, client_name_t cname)
+{
+    gs_malloc_memory_t *mmem = (gs_malloc_memory_t *) mem;
+    gs_malloc_block_t *bp = mmem->allocated;
+
+    if_debug3('a', "[a-]gs_free(%s) 0x%lx(%u)\n",
+	      client_name_string(cname), (ulong) ptr,
+	      (ptr == 0 ? 0 : ((gs_malloc_block_t *) ptr)[-1].size));
+    if (ptr == 0)
+	return;
+    if (ptr == bp + 1) {
+	mmem->allocated = bp->next;
+	mmem->used -= bp->size + sizeof(gs_malloc_block_t);
+
+	if (mmem->allocated)
+	    mmem->allocated->prev = 0;
+	gs_alloc_fill(bp, gs_alloc_fill_free,
+		      bp->size + sizeof(gs_malloc_block_t));
+	free(bp);
+    } else {
+	gs_malloc_block_t *np;
+
+	/*
+	 * bp == 0 at this point is an error, but we'd rather have an
+	 * error message than an invalid access.
+	 */
+	if (bp) {
+	    for (; (np = bp->next) != 0; bp = np) {
+		if (ptr == np + 1) {
+		    bp->next = np->next;
+		    if (np->next)
+			np->next->prev = bp;
+		    mmem->used -= np->size + sizeof(gs_malloc_block_t);
+		    gs_alloc_fill(np, gs_alloc_fill_free,
+				  np->size + sizeof(gs_malloc_block_t));
+		    free(np);
+		    return;
+		}
+	    }
+	}
+	lprintf2("%s: free 0x%lx not found!\n",
+		 client_name_string(cname), (ulong) ptr);
+	free((char *)((gs_malloc_block_t *) ptr - 1));
+    }
+}
+private byte *
+gs_heap_alloc_string(gs_memory_t * mem, uint nbytes, client_name_t cname)
+{
+    return gs_heap_alloc_bytes(mem, nbytes, cname);
+}
+private byte *
+gs_heap_resize_string(gs_memory_t * mem, byte * data, uint old_num, uint new_num,
+		      client_name_t cname)
+{
+    if (gs_heap_object_type(mem, data) != &st_bytes)
+	lprintf2("%s: resizing non-string 0x%lx!\n",
+		 client_name_string(cname), (ulong) data);
+    return gs_heap_resize_object(mem, data, new_num, cname);
+}
+private void
+gs_heap_free_string(gs_memory_t * mem, byte * data, uint nbytes,
+		    client_name_t cname)
+{
+    /****** SHOULD CHECK SIZE IF DEBUGGING ******/
+    gs_heap_free_object(mem, data, cname);
+}
+private int
+gs_heap_register_root(gs_memory_t * mem, gs_gc_root_t * rp,
+		      gs_ptr_type_t ptype, void **up, client_name_t cname)
+{
+    return 0;
+}
+private void
+gs_heap_unregister_root(gs_memory_t * mem, gs_gc_root_t * rp,
+			client_name_t cname)
+{
+}
+private void
+gs_heap_status(gs_memory_t * mem, gs_memory_status_t * pstat)
+{
+    gs_malloc_memory_t *mmem = (gs_malloc_memory_t *) mem;
+
+    pstat->allocated = mmem->used + heap_available();
+    pstat->used = mmem->used;
+}
+private void
+gs_heap_enable_free(gs_memory_t * mem, bool enable)
+{
+    if (enable)
+	mem->procs.free_object = gs_heap_free_object,
+	    mem->procs.free_string = gs_heap_free_string;
+    else
+	mem->procs.free_object = gs_ignore_free_object,
+	    mem->procs.free_string = gs_ignore_free_string;
+}
+
+/* Release all memory acquired by this allocator. */
+private void
+gs_heap_free_all(gs_memory_t * mem, uint free_mask, client_name_t cname)
+{
+    gs_malloc_memory_t *const mmem = (gs_malloc_memory_t *) mem;
+
+    if (free_mask & FREE_ALL_DATA) {
+	gs_malloc_block_t *bp = mmem->allocated;
+	gs_malloc_block_t *np;
+
+	for (; bp != 0; bp = np) {
+	    np = bp->next;
+	    if_debug3('a', "[a]gs_heap_free_all(%s) 0x%lx(%u)\n",
+		      client_name_string(bp->cname), (ulong) (bp + 1),
+		      bp->size);
+	    gs_alloc_fill(bp + 1, gs_alloc_fill_free, bp->size);
+	    free(bp);
+	}
+    }
+    if (free_mask & FREE_ALL_ALLOCATOR)
+	free(mem);
+}
diff --git a/pstoraster/gsmalloc.h b/pstoraster/gsmalloc.h
new file mode 100644
index 000000000..076580640
--- /dev/null
+++ b/pstoraster/gsmalloc.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to default (C heap) allocator */
+/* Requires gsmemory.h */
+
+#ifndef gsmalloc_INCLUDED
+#  define gsmalloc_INCLUDED
+
+/* Define a memory manager that allocates directly from the C heap. */
+typedef struct gs_malloc_block_s gs_malloc_block_t;
+typedef struct gs_malloc_memory_s {
+    gs_memory_common;
+    gs_malloc_block_t *allocated;
+    long limit;
+    long used;
+    long max_used;
+} gs_malloc_memory_t;
+
+/* Allocate and initialize a malloc memory manager. */
+gs_malloc_memory_t *gs_malloc_memory_init(P0());
+
+/* Release all the allocated blocks, and free the memory manager. */
+/* The cast is unfortunate, but unavoidable. */
+#define gs_malloc_memory_release(mem)\
+  gs_memory_free_all((gs_memory_t *)mem, FREE_ALL_EVERYTHING,\
+		     "gs_malloc_memory_release")
+
+/*
+ * Define a default allocator that allocates from the C heap.
+ * (We would really like to get rid of this.)
+ */
+extern gs_malloc_memory_t *gs_malloc_memory_default;
+#define gs_memory_default (*(gs_memory_t *)gs_malloc_memory_default)
+
+/*
+ * The following procedures are historical artifacts that we hope to
+ * get rid of someday.
+ */
+#define gs_malloc_init()\
+  (gs_malloc_memory_default = gs_malloc_memory_init())
+#define gs_malloc_release()\
+  (gs_malloc_memory_release(gs_malloc_memory_default),\
+   gs_malloc_memory_default = 0)
+#define gs_malloc(nelts, esize, cname)\
+  (void *)gs_alloc_byte_array(&gs_memory_default, nelts, esize, cname)
+#define gs_free(data, nelts, esize, cname)\
+  gs_free_object(&gs_memory_default, data, cname)
+
+/* Define an accessor for the limit on the total allocated heap space. */
+#define gs_malloc_limit (gs_malloc_memory_default->limit)
+
+/* Define an accessor for the maximum amount ever allocated from the heap. */
+#define gs_malloc_max (gs_malloc_memory_default->max_used)
+
+#endif /* gsmalloc_INCLUDED */
diff --git a/pstoraster/gsmatrix.c b/pstoraster/gsmatrix.c
new file mode 100644
index 000000000..c521558b8
--- /dev/null
+++ b/pstoraster/gsmatrix.c
@@ -0,0 +1,455 @@
+/* Copyright (C) 1989, 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Matrix operators for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxfarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+
+/* The identity matrix */
+private const gs_matrix gs_identity_matrix =
+{identity_matrix_body};
+
+/* ------ Matrix creation ------ */
+
+/* Create an identity matrix */
+void
+gs_make_identity(gs_matrix * pmat)
+{
+    *pmat = gs_identity_matrix;
+}
+
+/* Create a translation matrix */
+int
+gs_make_translation(floatp dx, floatp dy, gs_matrix * pmat)
+{
+    *pmat = gs_identity_matrix;
+    pmat->tx = dx;
+    pmat->ty = dy;
+    return 0;
+}
+
+/* Create a scaling matrix */
+int
+gs_make_scaling(floatp sx, floatp sy, gs_matrix * pmat)
+{
+    *pmat = gs_identity_matrix;
+    pmat->xx = sx;
+    pmat->yy = sy;
+    return 0;
+}
+
+/* Create a rotation matrix. */
+/* The angle is in degrees. */
+int
+gs_make_rotation(floatp ang, gs_matrix * pmat)
+{
+    gs_sincos_t sincos;
+
+    gs_sincos_degrees(ang, &sincos);
+    pmat->yy = pmat->xx = sincos.cos;
+    pmat->xy = sincos.sin;
+    pmat->yx = -sincos.sin;
+    pmat->tx = pmat->ty = 0.0;
+    return 0;
+}
+
+/* ------ Matrix arithmetic ------ */
+
+/* Multiply two matrices.  We should check for floating exceptions, */
+/* but for the moment it's just too awkward. */
+/* Since this is used heavily, we check for shortcuts. */
+int
+gs_matrix_multiply(const gs_matrix * pm1, const gs_matrix * pm2, gs_matrix * pmr)
+{
+    double xx1 = pm1->xx, yy1 = pm1->yy;
+    double tx1 = pm1->tx, ty1 = pm1->ty;
+    double xx2 = pm2->xx, yy2 = pm2->yy;
+    double xy2 = pm2->xy, yx2 = pm2->yx;
+
+    if (is_xxyy(pm1)) {
+	pmr->tx = tx1 * xx2 + pm2->tx;
+	pmr->ty = ty1 * yy2 + pm2->ty;
+	if (is_fzero(xy2))
+	    pmr->xy = 0;
+	else
+	    pmr->xy = xx1 * xy2,
+		pmr->ty += tx1 * xy2;
+	pmr->xx = xx1 * xx2;
+	if (is_fzero(yx2))
+	    pmr->yx = 0;
+	else
+	    pmr->yx = yy1 * yx2,
+		pmr->tx += ty1 * yx2;
+	pmr->yy = yy1 * yy2;
+    } else {
+	double xy1 = pm1->xy, yx1 = pm1->yx;
+
+	pmr->xx = xx1 * xx2 + xy1 * yx2;
+	pmr->xy = xx1 * xy2 + xy1 * yy2;
+	pmr->yy = yx1 * xy2 + yy1 * yy2;
+	pmr->yx = yx1 * xx2 + yy1 * yx2;
+	pmr->tx = tx1 * xx2 + ty1 * yx2 + pm2->tx;
+	pmr->ty = tx1 * xy2 + ty1 * yy2 + pm2->ty;
+    }
+    return 0;
+}
+
+/* Invert a matrix.  Return gs_error_undefinedresult if not invertible. */
+int
+gs_matrix_invert(const gs_matrix * pm, gs_matrix * pmr)
+{				/* We have to be careful about fetch/store order, */
+    /* because pm might be the same as pmr. */
+    if (is_xxyy(pm)) {
+	if (is_fzero(pm->xx) || is_fzero(pm->yy))
+	    return_error(gs_error_undefinedresult);
+	pmr->tx = -(pmr->xx = 1.0 / pm->xx) * pm->tx;
+	pmr->xy = 0.0;
+	pmr->yx = 0.0;
+	pmr->ty = -(pmr->yy = 1.0 / pm->yy) * pm->ty;
+    } else {
+	double det = pm->xx * pm->yy - pm->xy * pm->yx;
+	double mxx = pm->xx, mtx = pm->tx;
+
+	if (det == 0)
+	    return_error(gs_error_undefinedresult);
+	pmr->xx = pm->yy / det;
+	pmr->xy = -pm->xy / det;
+	pmr->yx = -pm->yx / det;
+	pmr->yy = mxx / det;	/* xx is already changed */
+	pmr->tx = -(mtx * pmr->xx + pm->ty * pmr->yx);
+	pmr->ty = -(mtx * pmr->xy + pm->ty * pmr->yy);	/* tx ditto */
+    }
+    return 0;
+}
+
+/* Translate a matrix, possibly in place. */
+int
+gs_matrix_translate(const gs_matrix * pm, floatp dx, floatp dy, gs_matrix * pmr)
+{
+    gs_point trans;
+    int code = gs_distance_transform(dx, dy, pm, &trans);
+
+    if (code < 0)
+	return code;
+    if (pmr != pm)
+	*pmr = *pm;
+    pmr->tx += trans.x;
+    pmr->ty += trans.y;
+    return 0;
+}
+
+/* Scale a matrix, possibly in place. */
+int
+gs_matrix_scale(const gs_matrix * pm, floatp sx, floatp sy, gs_matrix * pmr)
+{
+    pmr->xx = pm->xx * sx;
+    pmr->xy = pm->xy * sx;
+    pmr->yx = pm->yx * sy;
+    pmr->yy = pm->yy * sy;
+    if (pmr != pm) {
+	pmr->tx = pm->tx;
+	pmr->ty = pm->ty;
+    }
+    return 0;
+}
+
+/* Rotate a matrix, possibly in place.  The angle is in degrees. */
+int
+gs_matrix_rotate(const gs_matrix * pm, floatp ang, gs_matrix * pmr)
+{
+    double mxx, mxy;
+    gs_sincos_t sincos;
+
+    gs_sincos_degrees(ang, &sincos);
+    mxx = pm->xx, mxy = pm->xy;
+    pmr->xx = sincos.cos * mxx + sincos.sin * pm->yx;
+    pmr->xy = sincos.cos * mxy + sincos.sin * pm->yy;
+    pmr->yx = sincos.cos * pm->yx - sincos.sin * mxx;
+    pmr->yy = sincos.cos * pm->yy - sincos.sin * mxy;
+    if (pmr != pm) {
+	pmr->tx = pm->tx;
+	pmr->ty = pm->ty;
+    }
+    return 0;
+}
+
+/* ------ Coordinate transformations (floating point) ------ */
+
+/* Note that all the transformation routines take separate */
+/* x and y arguments, but return their result in a point. */
+
+/* Transform a point. */
+int
+gs_point_transform(floatp x, floatp y, const gs_matrix * pmat,
+		   gs_point * ppt)
+{
+    ppt->x = x * pmat->xx + pmat->tx;
+    ppt->y = y * pmat->yy + pmat->ty;
+    if (!is_fzero(pmat->yx))
+	ppt->x += y * pmat->yx;
+    if (!is_fzero(pmat->xy))
+	ppt->y += x * pmat->xy;
+    return 0;
+}
+
+/* Inverse-transform a point. */
+/* Return gs_error_undefinedresult if the matrix is not invertible. */
+int
+gs_point_transform_inverse(floatp x, floatp y, const gs_matrix * pmat,
+			   gs_point * ppt)
+{
+    if (is_xxyy(pmat)) {
+	if (is_fzero(pmat->xx) || is_fzero(pmat->yy))
+	    return_error(gs_error_undefinedresult);
+	ppt->x = (x - pmat->tx) / pmat->xx;
+	ppt->y = (y - pmat->ty) / pmat->yy;
+	return 0;
+    } else if (is_xyyx(pmat)) {
+	if (is_fzero(pmat->xy) || is_fzero(pmat->yx))
+	    return_error(gs_error_undefinedresult);
+	ppt->x = (y - pmat->ty) / pmat->xy;
+	ppt->y = (x - pmat->tx) / pmat->yx;
+	return 0;
+    } else {			/* There are faster ways to do this, */
+	/* but we won't implement one unless we have to. */
+	gs_matrix imat;
+	int code = gs_matrix_invert(pmat, &imat);
+
+	if (code < 0)
+	    return code;
+	return gs_point_transform(x, y, &imat, ppt);
+    }
+}
+
+/* Transform a distance. */
+int
+gs_distance_transform(floatp dx, floatp dy, const gs_matrix * pmat,
+		      gs_point * pdpt)
+{
+    pdpt->x = dx * pmat->xx;
+    pdpt->y = dy * pmat->yy;
+    if (!is_fzero(pmat->yx))
+	pdpt->x += dy * pmat->yx;
+    if (!is_fzero(pmat->xy))
+	pdpt->y += dx * pmat->xy;
+    return 0;
+}
+
+/* Inverse-transform a distance. */
+/* Return gs_error_undefinedresult if the matrix is not invertible. */
+int
+gs_distance_transform_inverse(floatp dx, floatp dy,
+			      const gs_matrix * pmat, gs_point * pdpt)
+{
+    if (is_xxyy(pmat)) {
+	if (is_fzero(pmat->xx) || is_fzero(pmat->yy))
+	    return_error(gs_error_undefinedresult);
+	pdpt->x = dx / pmat->xx;
+	pdpt->y = dy / pmat->yy;
+    } else if (is_xyyx(pmat)) {
+	if (is_fzero(pmat->xy) || is_fzero(pmat->yx))
+	    return_error(gs_error_undefinedresult);
+	pdpt->x = dy / pmat->xy;
+	pdpt->y = dx / pmat->yx;
+    } else {
+	double det = pmat->xx * pmat->yy - pmat->xy * pmat->yx;
+
+	if (det == 0)
+	    return_error(gs_error_undefinedresult);
+	pdpt->x = (dx * pmat->yy - dy * pmat->yx) / det;
+	pdpt->y = (dy * pmat->xx - dx * pmat->xy) / det;
+    }
+    return 0;
+}
+
+/* Compute the bounding box of 4 points. */
+int
+gs_points_bbox(const gs_point pts[4], gs_rect * pbox)
+{
+#define assign_min_max(vmin, vmax, v0, v1)\
+  if ( v0 < v1 ) vmin = v0, vmax = v1; else vmin = v1, vmax = v0
+#define assign_min_max_4(vmin, vmax, v0, v1, v2, v3)\
+  { double min01, max01, min23, max23;\
+    assign_min_max(min01, max01, v0, v1);\
+    assign_min_max(min23, max23, v2, v3);\
+    vmin = min(min01, min23);\
+    vmax = max(max01, max23);\
+  }
+    assign_min_max_4(pbox->p.x, pbox->q.x,
+		     pts[0].x, pts[1].x, pts[2].x, pts[3].x);
+    assign_min_max_4(pbox->p.y, pbox->q.y,
+		     pts[0].y, pts[1].y, pts[2].y, pts[3].y);
+#undef assign_min_max
+#undef assign_min_max_4
+    return 0;
+}
+
+/* Transform or inverse-transform a bounding box. */
+/* Return gs_error_undefinedresult if the matrix is not invertible. */
+private int
+bbox_transform_either_only(const gs_rect * pbox_in, const gs_matrix * pmat,
+			   gs_point pts[4],
+     int (*point_xform) (P4(floatp, floatp, const gs_matrix *, gs_point *)))
+{
+    int code;
+
+    if ((code = (*point_xform) (pbox_in->p.x, pbox_in->p.y, pmat, &pts[0])) < 0 ||
+	(code = (*point_xform) (pbox_in->p.x, pbox_in->q.y, pmat, &pts[1])) < 0 ||
+	(code = (*point_xform) (pbox_in->q.x, pbox_in->p.y, pmat, &pts[2])) < 0 ||
+     (code = (*point_xform) (pbox_in->q.x, pbox_in->q.y, pmat, &pts[3])) < 0
+	)
+	DO_NOTHING;
+    return code;
+}
+
+private int
+bbox_transform_either(const gs_rect * pbox_in, const gs_matrix * pmat,
+		      gs_rect * pbox_out,
+     int (*point_xform) (P4(floatp, floatp, const gs_matrix *, gs_point *)))
+{
+    int code;
+
+    /*
+     * In principle, we could transform only one point and two
+     * distance vectors; however, because of rounding, we will only
+     * get fully consistent results if we transform all 4 points.
+     * We must compute the max and min after transforming,
+     * since a rotation may be involved.
+     */
+    gs_point pts[4];
+
+    if ((code = bbox_transform_either_only(pbox_in, pmat, pts, point_xform)) < 0)
+	return code;
+    return gs_points_bbox(pts, pbox_out);
+}
+int
+gs_bbox_transform(const gs_rect * pbox_in, const gs_matrix * pmat,
+		  gs_rect * pbox_out)
+{
+    return bbox_transform_either(pbox_in, pmat, pbox_out,
+				 gs_point_transform);
+}
+int
+gs_bbox_transform_only(const gs_rect * pbox_in, const gs_matrix * pmat,
+		       gs_point points[4])
+{
+    return bbox_transform_either_only(pbox_in, pmat, points,
+				      gs_point_transform);
+}
+int
+gs_bbox_transform_inverse(const gs_rect * pbox_in, const gs_matrix * pmat,
+			  gs_rect * pbox_out)
+{
+    return bbox_transform_either(pbox_in, pmat, pbox_out,
+				 gs_point_transform_inverse);
+}
+
+/* ------ Coordinate transformations (to fixed point) ------ */
+
+#define f_fits_in_fixed(f) f_fits_in_bits(f, fixed_int_bits)
+
+/* Transform a point with a fixed-point result. */
+int
+gs_point_transform2fixed(const gs_matrix_fixed * pmat,
+			 floatp x, floatp y, gs_fixed_point * ppt)
+{
+    fixed px, py, t;
+    double dtemp;
+    int code;
+
+    if (!pmat->txy_fixed_valid) {	/* The translation is out of range.  Do the */
+	/* computation in floating point, and convert to */
+	/* fixed at the end. */
+	gs_point fpt;
+
+	gs_point_transform(x, y, (const gs_matrix *)pmat, &fpt);
+	if (!(f_fits_in_fixed(fpt.x) && f_fits_in_fixed(fpt.y)))
+	    return_error(gs_error_limitcheck);
+	ppt->x = float2fixed(fpt.x);
+	ppt->y = float2fixed(fpt.y);
+	return 0;
+    }
+    if (!is_fzero(pmat->xy)) {	/* Hope for 90 degree rotation */
+	if ((code = set_dfmul2fixed_vars(px, y, pmat->yx, dtemp)) < 0 ||
+	    (code = set_dfmul2fixed_vars(py, x, pmat->xy, dtemp)) < 0
+	    )
+	    return code;
+	if (!is_fzero(pmat->xx)) {
+	    if ((code = set_dfmul2fixed_vars(t, x, pmat->xx, dtemp)) < 0)
+		return code;
+	    px += t;		/* should check for overflow */
+	}
+	if (!is_fzero(pmat->yy)) {
+	    if ((code = set_dfmul2fixed_vars(t, y, pmat->yy, dtemp)) < 0)
+		return code;
+	    py += t;		/* should check for overflow */
+	}
+    } else {
+	if ((code = set_dfmul2fixed_vars(px, x, pmat->xx, dtemp)) < 0 ||
+	    (code = set_dfmul2fixed_vars(py, y, pmat->yy, dtemp)) < 0
+	    )
+	    return code;
+	if (!is_fzero(pmat->yx)) {
+	    if ((code = set_dfmul2fixed_vars(t, y, pmat->yx, dtemp)) < 0)
+		return code;
+	    px += t;		/* should check for overflow */
+	}
+    }
+    ppt->x = px + pmat->tx_fixed;	/* should check for overflow */
+    ppt->y = py + pmat->ty_fixed;	/* should check for overflow */
+    return 0;
+}
+
+/* Transform a distance with a fixed-point result. */
+int
+gs_distance_transform2fixed(const gs_matrix_fixed * pmat,
+			    floatp dx, floatp dy, gs_fixed_point * ppt)
+{
+    fixed px, py, t;
+    double dtemp;
+    int code;
+
+    if ((code = set_dfmul2fixed_vars(px, dx, pmat->xx, dtemp)) < 0 ||
+	(code = set_dfmul2fixed_vars(py, dy, pmat->yy, dtemp)) < 0
+	)
+	return code;
+    if (!is_fzero(pmat->yx)) {
+	if ((code = set_dfmul2fixed_vars(t, dy, pmat->yx, dtemp)) < 0)
+	    return code;
+	px += t;		/* should check for overflow */
+    }
+    if (!is_fzero(pmat->xy)) {
+	if ((code = set_dfmul2fixed_vars(t, dx, pmat->xy, dtemp)) < 0)
+	    return code;
+	py += t;		/* should check for overflow */
+    }
+    ppt->x = px;
+    ppt->y = py;
+    return 0;
+}
diff --git a/pstoraster/gsmatrix.h b/pstoraster/gsmatrix.h
new file mode 100644
index 000000000..263c5e05f
--- /dev/null
+++ b/pstoraster/gsmatrix.h
@@ -0,0 +1,80 @@
+/* Copyright (C) 1989, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of matrices and client interface to matrix routines */
+
+#ifndef gsmatrix_INCLUDED
+#  define gsmatrix_INCLUDED
+
+/* See p. 65 of the PostScript manual for the semantics of */
+/* transformation matrices. */
+
+/* Structure for a transformation matrix. */
+#define _matrix_body\
+	float xx, xy, yx, yy, tx, ty
+struct gs_matrix_s {
+    _matrix_body;
+};
+
+#ifndef gs_matrix_DEFINED
+#  define gs_matrix_DEFINED
+typedef struct gs_matrix_s gs_matrix;
+
+#endif
+/* Macro for initializing constant matrices */
+#define constant_matrix_body(xx, xy, yx, yy, tx, ty)\
+	(float)(xx), (float)(xy), (float)(yx),\
+	(float)(yy), (float)(tx), (float)(ty)
+
+/* Macros for testing whether matrix coefficients are zero, */
+/* for shortcuts when the matrix is simple. */
+#define is_xxyy(pmat) is_fzero2((pmat)->xy, (pmat)->yx)
+#define is_xyyx(pmat) is_fzero2((pmat)->xx, (pmat)->yy)
+
+/* The identity matrix (for structure initialization) */
+#define identity_matrix_body\
+	constant_matrix_body(1, 0, 0, 1, 0, 0)
+
+/* Matrix creation */
+void gs_make_identity(P1(gs_matrix *));
+int gs_make_translation(P3(floatp, floatp, gs_matrix *)), gs_make_scaling(P3(floatp, floatp, gs_matrix *)),
+    gs_make_rotation(P2(floatp, gs_matrix *));
+
+/* Matrix arithmetic */
+int gs_matrix_multiply(P3(const gs_matrix *, const gs_matrix *, gs_matrix *)),
+      gs_matrix_invert(P2(const gs_matrix *, gs_matrix *)), gs_matrix_translate(P4(const gs_matrix *, floatp, floatp, gs_matrix *)),
+      gs_matrix_scale(P4(const gs_matrix *, floatp, floatp, gs_matrix *)),
+      gs_matrix_rotate(P3(const gs_matrix *, floatp, gs_matrix *));
+
+/* Coordinate transformation */
+int gs_point_transform(P4(floatp, floatp, const gs_matrix *, gs_point *)),
+      gs_point_transform_inverse(P4(floatp, floatp, const gs_matrix *, gs_point *)),
+      gs_distance_transform(P4(floatp, floatp, const gs_matrix *, gs_point *)),
+      gs_distance_transform_inverse(P4(floatp, floatp, const gs_matrix *, gs_point *)),
+      gs_points_bbox(P2(const gs_point[4], gs_rect *)), gs_bbox_transform_only(P3(const gs_rect *, const gs_matrix *, gs_point[4])),
+      gs_bbox_transform(P3(const gs_rect *, const gs_matrix *, gs_rect *)),
+      gs_bbox_transform_inverse(P3(const gs_rect *, const gs_matrix *, gs_rect *));
+
+#endif /* gsmatrix_INCLUDED */
diff --git a/pstoraster/gsmdebug.h b/pstoraster/gsmdebug.h
new file mode 100644
index 000000000..467f13136
--- /dev/null
+++ b/pstoraster/gsmdebug.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gdebug.h (for gs_debug) */
+
+#ifndef gsmdebug_INCLUDED
+#  define gsmdebug_INCLUDED
+
+/* Define the fill patterns used for debugging the allocator. */
+extern byte
+       gs_alloc_fill_alloc,	/* allocated but not initialized */
+       gs_alloc_fill_block,	/* locally allocated block */
+       gs_alloc_fill_collected,	/* garbage collected */
+       gs_alloc_fill_deleted,	/* locally deleted block */
+       gs_alloc_fill_free;	/* freed */
+
+/* Define an alias for a specialized debugging flag */
+/* that used to be a separate variable. */
+#define gs_alloc_debug gs_debug['@']
+
+/* Conditionally fill unoccupied blocks with a pattern. */
+extern void gs_alloc_memset(P3(void *, int /*byte */ , ulong));
+
+#ifdef DEBUG
+#  define gs_alloc_fill(ptr, fill, len)\
+     BEGIN if ( gs_alloc_debug ) gs_alloc_memset(ptr, fill, (ulong)(len)); END
+#else
+#  define gs_alloc_fill(ptr, fill, len)\
+     DO_NOTHING
+#endif
+
+#endif /* gsmdebug_INCLUDED */
diff --git a/pstoraster/gsmemlok.h b/pstoraster/gsmemlok.h
new file mode 100644
index 000000000..f49e0d848
--- /dev/null
+++ b/pstoraster/gsmemlok.h
@@ -0,0 +1,64 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to monitor-locked heap memory allocator */
+
+/* Initial version 2/1/98 by John Desrosiers (soho@crl.com) */
+
+#if !defined(gsmemlok_INCLUDED)
+ #define gsmemlok_INCLUDED
+
+#include "gsmemory.h"
+#include "gxsync.h"
+
+/*
+ * This allocator encapsulates another allocator with a mutex.
+ * Note that it does not keep track of memory that it acquires:
+ * thus free_all with FREE_ALL_DATA is a no-op.
+ */
+
+typedef struct gs_memory_locked_s {
+    gs_memory_common;		/* interface outside world sees */
+    gs_memory_t *target;	/* allocator to front */
+    gx_monitor_t *monitor;	/* monitor to serialize access to functions */
+} gs_memory_locked_t;
+
+/* ---------- Public constructors/destructors ---------- */
+
+/* Initialize a locked memory manager. */
+int gs_memory_locked_init(P2(
+			     gs_memory_locked_t * lmem,	/* allocator to init */
+			     gs_memory_t * target	/* allocator to monitor lock */
+			     ));
+
+/* Release a locked memory manager. */
+/* Note that this has no effect on the target. */
+#define gs_memory_locked_release(lmem)\
+  gs_memory_free_all(lmem, FREE_STRUCTURES, "gs_memory_locked_release")
+
+/* Get the target of a locked memory manager. */
+gs_memory_t * gs_memory_locked_target(P1(const gs_memory_locked_t *lmem));
+
+#endif /*!defined(gsmemlok_INCLUDED) */
diff --git a/pstoraster/gsmemory.c b/pstoraster/gsmemory.c
new file mode 100644
index 000000000..3012270fa
--- /dev/null
+++ b/pstoraster/gsmemory.c
@@ -0,0 +1,198 @@
+/*
+  Copyright 1993-1999 by Easy Software Products.
+  Copyright 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic allocator support */
+#include "memory_.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsmdebug.h"
+#include "gsrefct.h"		/* to check prototype */
+#include "gsstruct.h"		/* ditto */
+
+/* Define the fill patterns for unallocated memory. */
+byte gs_alloc_fill_alloc = 0xa1;
+byte gs_alloc_fill_block = 0xb1;
+byte gs_alloc_fill_collected = 0xc1;
+byte gs_alloc_fill_deleted = 0xd1;
+byte gs_alloc_fill_free = 0xf1;
+
+/* A 'structure' type descriptor for free blocks. */
+gs_public_st_simple(st_free, byte, "(free)");
+
+/* The 'structure' type descriptor for bytes. */
+gs_public_st_simple(st_bytes, byte, "bytes");
+
+/* The structure type descriptor for GC roots. */
+public_st_gc_root_t();
+
+/* The descriptors for elements and arrays of const strings. */
+private_st_const_string();
+public_st_const_string_element();
+
+/* Fill an unoccupied block with a pattern. */
+/* Note that the block size may be too large for a single memset. */
+void
+gs_alloc_memset(void *ptr, int /*byte */ fill, ulong lsize)
+{
+    ulong msize = lsize;
+    char *p = ptr;
+    int isize;
+
+    for (; msize; msize -= isize, p += isize) {
+	isize = min(msize, max_int);
+	memset(p, fill, isize);
+    }
+}
+
+/* Allocate a structure using a "raw memory" allocator. */
+void *
+gs_raw_alloc_struct_immovable(gs_raw_memory_t * rmem,
+			      gs_memory_type_ptr_t pstype,
+			      client_name_t cname)
+{
+    return gs_alloc_bytes_immovable(rmem, gs_struct_type_size(pstype), cname);
+}
+
+/* No-op freeing procedures */
+void
+gs_ignore_free_object(gs_memory_t * mem, void *data, client_name_t cname)
+{
+}
+void
+gs_ignore_free_string(gs_memory_t * mem, byte * data, uint nbytes,
+		      client_name_t cname)
+{
+}
+
+/* No-op consolidation procedure */
+void
+gs_ignore_consolidate_free(gs_memory_t *mem)
+{
+}
+
+/* No-op pointer enumeration procedure */
+ENUM_PTRS_BEGIN_PROC(gs_no_struct_enum_ptrs)
+{
+    return 0;
+    ENUM_PTRS_END_PROC
+}
+
+/* No-op pointer relocation procedure */
+RELOC_PTRS_BEGIN(gs_no_struct_reloc_ptrs)
+{
+}
+RELOC_PTRS_END
+
+/* Get the size of a structure from the descriptor. */
+uint
+gs_struct_type_size(gs_memory_type_ptr_t pstype)
+{
+    return pstype->ssize;
+}
+
+/* Get the name of a structure from the descriptor. */
+struct_name_t
+gs_struct_type_name(gs_memory_type_ptr_t pstype)
+{
+    return pstype->sname;
+}
+
+/* Register a structure root. */
+int
+gs_register_struct_root(gs_memory_t *mem, gs_gc_root_t *root,
+			void **pp, client_name_t cname)
+{
+    return gs_register_root(mem, root, ptr_struct_type, pp, cname);
+}
+
+/* Normal freeing routine for reference-counted structures. */
+void
+rc_free_struct_only(gs_memory_t * mem, void *data, client_name_t cname)
+{
+    if (mem != 0)
+	gs_free_object(mem, data, cname);
+}
+
+/* ---------------- Basic-structure GC procedures ---------------- */
+
+/* Enumerate pointers */
+ENUM_PTRS_BEGIN_PROC(basic_enum_ptrs)
+{
+    const gc_struct_data_t *psd = pstype->proc_data;
+
+    if (index < psd->num_ptrs) {
+	const gc_ptr_element_t *ppe = &psd->ptrs[index];
+	char *pptr = (char *)vptr + ppe->offset;
+
+	switch ((gc_ptr_type_index_t)ppe->type) {
+	    case GC_ELT_OBJ:
+		return ENUM_OBJ(*(void **)pptr);
+	    case GC_ELT_STRING:
+		return ENUM_STRING((gs_string *) pptr);
+	    case GC_ELT_CONST_STRING:
+		return ENUM_CONST_STRING((gs_string *) pptr);
+	    case GC_ELT_REF:
+		return 0;
+	}
+    }
+    if (!psd->super_type)
+	return 0;
+    return ENUM_USING(*(psd->super_type),
+		      (void *)((char *)vptr + psd->super_offset),
+		      pstype->ssize, index - psd->num_ptrs);
+}
+ENUM_PTRS_END_PROC
+
+/* Relocate pointers */
+RELOC_PTRS_BEGIN(basic_reloc_ptrs)
+{
+    const gc_struct_data_t *psd = pstype->proc_data;
+    uint i;
+
+    for (i = 0; i < psd->num_ptrs; ++i) {
+	const gc_ptr_element_t *ppe = &psd->ptrs[i];
+	char *pptr = (char *)vptr + ppe->offset;
+
+	switch ((gc_ptr_type_index_t) ppe->type) {
+	    case GC_ELT_OBJ:
+		RELOC_OBJ_VAR(*(void **)pptr);
+		break;
+	    case GC_ELT_STRING:
+		RELOC_STRING_VAR(*(gs_string *)pptr);
+		break;
+	    case GC_ELT_CONST_STRING:
+		RELOC_CONST_STRING_VAR(*(gs_const_string *)pptr);
+		break;
+	    case GC_ELT_REF:
+		break;
+	}
+    }
+    if (psd->super_type)
+	RELOC_USING(*(psd->super_type),
+		      (void *)((char *)vptr + psd->super_offset),
+		      pstype->ssize);
+} RELOC_PTRS_END
diff --git a/pstoraster/gsmemory.h b/pstoraster/gsmemory.h
new file mode 100644
index 000000000..2b8e4c655
--- /dev/null
+++ b/pstoraster/gsmemory.h
@@ -0,0 +1,277 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface for memory allocation */
+
+/*
+ * The allocator knows about two basic kinds of memory: objects, which are
+ * aligned and cannot have pointers to their interior, and strings, which
+ * are not aligned and which can have interior references.
+ *
+ * The standard allocator is designed to interface to a garbage collector,
+ * although it does not include or call one.  The allocator API recognizes
+ * that the garbage collector may move objects, relocating pointers to them;
+ * the API provides for allocating both movable (the default) and immovable
+ * objects.  Clients must not attempt to resize immovable objects, and must
+ * not create references to substrings of immovable strings.
+ */
+
+#ifndef gsmemory_INCLUDED
+#  define gsmemory_INCLUDED
+
+#include "gsmemraw.h"
+
+/* Define the opaque type for a structure descriptor. */
+typedef struct gs_memory_struct_type_s gs_memory_struct_type_t;
+typedef const gs_memory_struct_type_t *gs_memory_type_ptr_t;
+
+/* Define the opaque type for an allocator. */
+/* (The actual structure is defined later in this file.) */
+typedef struct gs_memory_s gs_memory_t;
+
+/* Define the opaque type for a pointer type. */
+typedef struct gs_ptr_procs_s gs_ptr_procs_t;
+typedef const gs_ptr_procs_t *gs_ptr_type_t;
+
+/* Define the opaque type for a GC root. */
+typedef struct gs_gc_root_s gs_gc_root_t;
+
+	/* Accessors for structure types. */
+
+typedef client_name_t struct_name_t;
+
+/* Get the size of a structure from the descriptor. */
+uint gs_struct_type_size(P1(gs_memory_type_ptr_t));
+
+/* Get the name of a structure from the descriptor. */
+struct_name_t gs_struct_type_name(P1(gs_memory_type_ptr_t));
+
+#define gs_struct_type_name_string(styp)\
+  ((const char *)gs_struct_type_name(styp))
+
+/*
+ * Define the memory manager procedural interface.
+ */
+typedef struct gs_memory_procs_s {
+
+    gs_raw_memory_procs(gs_memory_t);	/* defined in gsmemraw.h */
+
+    /* Redefine inherited procedures with the new allocator type. */
+
+#define gs_memory_proc_alloc_bytes(proc)\
+  gs_memory_t_proc_alloc_bytes(proc, gs_memory_t)
+#define gs_memory_proc_resize_object(proc)\
+  gs_memory_t_proc_resize_object(proc, gs_memory_t)
+#define gs_memory_proc_free_object(proc)\
+  gs_memory_t_proc_free_object(proc, gs_memory_t)
+#define gs_memory_proc_status(proc)\
+  gs_memory_t_proc_status(proc, gs_memory_t)
+#define gs_memory_proc_free_all(proc)\
+  gs_memory_t_proc_free_all(proc, gs_memory_t)
+#define gs_memory_proc_consolidate_free(proc)\
+  gs_memory_t_proc_consolidate_free(proc, gs_memory_t)
+
+    /*
+     * Allocate possibly movable bytes.  (We inherit allocating immovable
+     * bytes from the raw memory allocator.)
+     */
+
+#define gs_alloc_bytes(mem, nbytes, cname)\
+  (*(mem)->procs.alloc_bytes)(mem, nbytes, cname)
+    gs_memory_proc_alloc_bytes((*alloc_bytes));
+
+    /*
+     * Allocate a structure.
+     */
+
+#define gs_memory_proc_alloc_struct(proc)\
+  void *proc(P3(gs_memory_t *mem, gs_memory_type_ptr_t pstype,\
+    client_name_t cname))
+#define gs_alloc_struct(mem, typ, pstype, cname)\
+  (typ *)(*(mem)->procs.alloc_struct)(mem, pstype, cname)
+    gs_memory_proc_alloc_struct((*alloc_struct));
+#define gs_alloc_struct_immovable(mem, typ, pstype, cname)\
+  (typ *)(*(mem)->procs.alloc_struct_immovable)(mem, pstype, cname)
+    gs_memory_proc_alloc_struct((*alloc_struct_immovable));
+
+    /*
+     * Allocate an array of bytes.
+     */
+
+#define gs_memory_proc_alloc_byte_array(proc)\
+  byte *proc(P4(gs_memory_t *mem, uint num_elements, uint elt_size,\
+    client_name_t cname))
+#define gs_alloc_byte_array(mem, nelts, esize, cname)\
+  (*(mem)->procs.alloc_byte_array)(mem, nelts, esize, cname)
+    gs_memory_proc_alloc_byte_array((*alloc_byte_array));
+#define gs_alloc_byte_array_immovable(mem, nelts, esize, cname)\
+  (*(mem)->procs.alloc_byte_array_immovable)(mem, nelts, esize, cname)
+    gs_memory_proc_alloc_byte_array((*alloc_byte_array_immovable));
+
+    /*
+     * Allocate an array of structures.
+     */
+
+#define gs_memory_proc_alloc_struct_array(proc)\
+  void *proc(P4(gs_memory_t *mem, uint num_elements,\
+    gs_memory_type_ptr_t pstype, client_name_t cname))
+#define gs_alloc_struct_array(mem, nelts, typ, pstype, cname)\
+  (typ *)(*(mem)->procs.alloc_struct_array)(mem, nelts, pstype, cname)
+    gs_memory_proc_alloc_struct_array((*alloc_struct_array));
+#define gs_alloc_struct_array_immovable(mem, nelts, typ, pstype, cname)\
+ (typ *)(*(mem)->procs.alloc_struct_array_immovable)(mem, nelts, pstype, cname)
+    gs_memory_proc_alloc_struct_array((*alloc_struct_array_immovable));
+
+    /*
+     * Get the size of an object (anything except a string).
+     */
+
+#define gs_memory_proc_object_size(proc)\
+  uint proc(P2(gs_memory_t *mem, const void *obj))
+#define gs_object_size(mem, obj)\
+  (*(mem)->procs.object_size)(mem, obj)
+    gs_memory_proc_object_size((*object_size));
+
+    /*
+     * Get the type of an object (anything except a string).
+     * The value returned for byte objects is useful only for
+     * printing.
+     */
+
+#define gs_memory_proc_object_type(proc)\
+  gs_memory_type_ptr_t proc(P2(gs_memory_t *mem, const void *obj))
+#define gs_object_type(mem, obj)\
+  (*(mem)->procs.object_type)(mem, obj)
+    gs_memory_proc_object_type((*object_type));
+
+    /*
+     * Allocate a string (unaligned bytes).
+     */
+
+#define gs_memory_proc_alloc_string(proc)\
+  byte *proc(P3(gs_memory_t *mem, uint nbytes, client_name_t cname))
+#define gs_alloc_string(mem, nbytes, cname)\
+  (*(mem)->procs.alloc_string)(mem, nbytes, cname)
+    gs_memory_proc_alloc_string((*alloc_string));
+#define gs_alloc_string_immovable(mem, nbytes, cname)\
+  (*(mem)->procs.alloc_string_immovable)(mem, nbytes, cname)
+    gs_memory_proc_alloc_string((*alloc_string_immovable));
+
+    /*
+     * Resize a string.
+     */
+
+#define gs_memory_proc_resize_string(proc)\
+  byte *proc(P5(gs_memory_t *mem, byte *data, uint old_num, uint new_num,\
+    client_name_t cname))
+#define gs_resize_string(mem, data, oldn, newn, cname)\
+  (*(mem)->procs.resize_string)(mem, data, oldn, newn, cname)
+    gs_memory_proc_resize_string((*resize_string));
+
+    /*
+     * Free a string.
+     */
+
+#define gs_memory_proc_free_string(proc)\
+  void proc(P4(gs_memory_t *mem, byte *data, uint nbytes,\
+    client_name_t cname))
+#define gs_free_string(mem, data, nbytes, cname)\
+  (*(mem)->procs.free_string)(mem, data, nbytes, cname)
+    gs_memory_proc_free_string((*free_string));
+
+    /*
+     * Register a root for the garbage collector.  root = NULL
+     * asks the memory manager to allocate the root object
+     * itself (immovable, in the manager's parent): this is the usual
+     * way to call this procedure.
+     */
+
+#define gs_memory_proc_register_root(proc)\
+  int proc(P5(gs_memory_t *mem, gs_gc_root_t *root, gs_ptr_type_t ptype,\
+    void **pp, client_name_t cname))
+#define gs_register_root(mem, root, ptype, pp, cname)\
+  (*(mem)->procs.register_root)(mem, root, ptype, pp, cname)
+    gs_memory_proc_register_root((*register_root));
+
+    /*
+     * Unregister a root.  The root object itself will be freed iff
+     * it was allocated by gs_register_root.
+     */
+
+#define gs_memory_proc_unregister_root(proc)\
+  void proc(P3(gs_memory_t *mem, gs_gc_root_t *root, client_name_t cname))
+#define gs_unregister_root(mem, root, cname)\
+  (*(mem)->procs.unregister_root)(mem, root, cname)
+    gs_memory_proc_unregister_root((*unregister_root));
+
+    /*
+     * Enable or disable the freeing operations: when disabled,
+     * these operations return normally but do nothing.  The
+     * garbage collector and the PostScript interpreter
+     * 'restore' operator need to temporarily disable the
+     * freeing functions of (an) allocator(s) while running
+     * finalization procedures.
+     */
+
+#define gs_memory_proc_enable_free(proc)\
+  void proc(P2(gs_memory_t *mem, bool enable))
+#define gs_enable_free(mem, enable)\
+  (*(mem)->procs.enable_free)(mem, enable)
+    gs_memory_proc_enable_free((*enable_free));
+
+} gs_memory_procs_t;
+
+/* Register a structure root.  This just calls gs_register_root. */
+int gs_register_struct_root(P4(gs_memory_t *mem, gs_gc_root_t *root,
+			       void **pp, client_name_t cname));
+
+/* Define no-op freeing procedures for use by enable_free. */
+gs_memory_proc_free_object(gs_ignore_free_object);
+gs_memory_proc_free_string(gs_ignore_free_string);
+
+/* Define a no-op consolidation procedure. */
+gs_memory_proc_consolidate_free(gs_ignore_consolidate_free);
+
+/*
+ * Allocate a structure using a "raw memory" allocator.  Note that this does
+ * not retain the identity of the structure.  Note also that it returns a
+ * void *, and does not take the type of the returned pointer as a
+ * parameter.
+ */
+void *gs_raw_alloc_struct_immovable(P3(gs_raw_memory_t * rmem,
+				       gs_memory_type_ptr_t pstype,
+				       client_name_t cname));
+
+/*
+ * Define an abstract allocator instance.
+ * Subclasses may have state as well.
+ */
+#define gs_memory_common\
+	gs_memory_procs_t procs
+struct gs_memory_s {
+    gs_memory_common;
+};
+
+#endif /* gsmemory_INCLUDED */
diff --git a/pstoraster/gsmemraw.h b/pstoraster/gsmemraw.h
new file mode 100644
index 000000000..019dd4ff2
--- /dev/null
+++ b/pstoraster/gsmemraw.h
@@ -0,0 +1,181 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface for "raw memory" allocator */
+
+/* Initial version 02/03/1998 by John Desrosiers (soho@crl.com) */
+/* Completely rewritten 6/26/1998 by L. Peter Deutsch <ghost@aladdin.com> */
+
+#ifndef gsmemraw_INCLUDED
+#  define gsmemraw_INCLUDED
+
+/*
+ * This interface provides minimal memory allocation and freeing capability.
+ * It is meant to be used for "wholesale" allocation of blocks -- typically,
+ * but not only, via malloc -- which are then divided up into "retail"
+ * objects.  However, since it is a subset (superclass) of the "retail"
+ * interface defined in gsmemory.h, retail allocators implement it as
+ * well, and in fact the malloc interface defined in gsmalloc.h is used for
+ * both wholesale and retail allocation.
+ */
+
+/*
+ * Define the structure for reporting memory manager statistics.
+ */
+typedef struct gs_memory_status_s {
+    /*
+     * "Allocated" space is the total amount of space acquired from
+     * the parent of the memory manager.  It includes space used for
+     * allocated data, space available for allocation, and overhead.
+     */
+    ulong allocated;
+    /*
+     * "Used" space is the amount of space used by allocated data
+     * plus overhead.
+     */
+    ulong used;
+} gs_memory_status_t;
+
+/* Define the abstract type for the memory manager. */
+typedef struct gs_raw_memory_s gs_raw_memory_t;
+
+/* Define the procedures for raw memory management.  Memory managers have no
+ * standard constructor: each implementation defines its own, and is
+ * responsible for calling its superclass' initialization code first.
+ * Similarly, each implementation's destructor (release) must first take
+ * care of its own cleanup and then call the superclass' release.
+ */
+
+		/*
+		 * Allocate bytes.  The bytes are always aligned maximally
+		 * if the processor requires alignment.
+		 *
+		 * Note that the object memory level can allocate bytes as
+		 * either movable or immovable: raw memory blocks are
+		 * always immovable.
+		 */
+
+#define gs_memory_t_proc_alloc_bytes(proc, mem_t)\
+  byte *proc(P3(mem_t *mem, uint nbytes, client_name_t cname))
+
+#define gs_alloc_bytes_immovable(mem, nbytes, cname)\
+  ((mem)->procs.alloc_bytes_immovable(mem, nbytes, cname))
+
+		/*
+		 * Resize an object to a new number of elements.  At the raw
+		 * memory level, the "element" is a byte; for object memory
+		 * (gsmemory.h), the object may be an an array of either
+		 * bytes or structures.  The new size may be either larger
+		 * or smaller than the old.
+		 */
+
+#define gs_memory_t_proc_resize_object(proc, mem_t)\
+  void *proc(P4(mem_t *mem, void *obj, uint new_num_elements,\
+		client_name_t cname))
+
+#define gs_resize_object(mem, obj, newn, cname)\
+  ((mem)->procs.resize_object(mem, obj, newn, cname))
+
+		/*
+		 * Free an object (at the object memory level, this includes
+		 * everything except strings).  Note: data == 0 must be
+		 * allowed, and must be a no-op.
+		 */
+
+#define gs_memory_t_proc_free_object(proc, mem_t)\
+  void proc(P3(mem_t *mem, void *data, client_name_t cname))
+
+#define gs_free_object(mem, data, cname)\
+  ((mem)->procs.free_object(mem, data, cname))
+
+		/*
+		 * Report status (assigned, used).
+		 */
+
+#define gs_memory_t_proc_status(proc, mem_t)\
+  void proc(P2(mem_t *mem, gs_memory_status_t *status))
+
+#define gs_memory_status(mem, pst)\
+  ((mem)->procs.status(mem, pst))
+
+		/*
+		 * Free one or more of: data memory acquired by the allocator
+		 * (FREE_ALL_DATA), overhead structures other than the
+		 * allocator itself (FREE_ALL_STRUCTURES), and the allocator
+		 * itself (FREE_ALL_ALLOCATOR).  Note that this requires
+		 * allocators to keep track of all the memory they have ever
+		 * acquired, and where they acquired it.
+		 */
+
+#define FREE_ALL_DATA 1
+#define FREE_ALL_STRUCTURES 2
+#define FREE_ALL_ALLOCATOR 4
+#define FREE_ALL_EVERYTHING\
+  (FREE_ALL_DATA | FREE_ALL_STRUCTURES | FREE_ALL_ALLOCATOR)
+
+#define gs_memory_t_proc_free_all(proc, mem_t)\
+  void proc(P3(mem_t *mem, uint free_mask, client_name_t cname))
+
+#define gs_memory_free_all(mem, free_mask, cname)\
+  ((mem)->procs.free_all(mem, free_mask, cname))
+/* Backward compatibility */
+#define gs_free_all(mem)\
+  gs_memory_free_all(mem, FREE_ALL_DATA, "(free_all)")
+
+		/*
+		 * Consolidate free space.  This may be used as part of (or
+		 * as an alternative to) garbage collection, or before
+		 * giving up on an attempt to allocate.
+		 */
+
+#define gs_memory_t_proc_consolidate_free(proc, mem_t)\
+  void proc(P1(mem_t *mem))
+
+#define gs_consolidate_free(mem)\
+  ((mem)->procs.consolidate_free(mem))
+
+/* Define the members of the procedure structure. */
+#define gs_raw_memory_procs(mem_t)\
+    gs_memory_t_proc_alloc_bytes((*alloc_bytes_immovable), mem_t);\
+    gs_memory_t_proc_resize_object((*resize_object), mem_t);\
+    gs_memory_t_proc_free_object((*free_object), mem_t);\
+    gs_memory_t_proc_status((*status), mem_t);\
+    gs_memory_t_proc_free_all((*free_all), mem_t);\
+    gs_memory_t_proc_consolidate_free((*consolidate_free), mem_t)
+
+/* Define the procedure vector for a raw memory allocator. */
+typedef struct gs_raw_memory_procs_s {
+    gs_raw_memory_procs(gs_raw_memory_t);
+} gs_raw_memory_procs_t;
+
+/*
+ * Define an abstract raw-memory allocator instance.
+ * Subclasses may have state as well.
+ */
+struct gs_raw_memory_s {
+    gs_raw_memory_procs_t procs;
+};
+
+#endif /* gsmemraw_INCLUDED */
diff --git a/pstoraster/gsmisc.c b/pstoraster/gsmisc.c
new file mode 100644
index 000000000..ec43311ed
--- /dev/null
+++ b/pstoraster/gsmisc.c
@@ -0,0 +1,942 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous utilities for Ghostscript library */
+#include "ctype_.h"
+#include "malloc_.h"
+#include "math_.h"
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gpcheck.h"		/* for gs_return_check_interrupt */
+#include "gserrors.h"
+#include "gconfigv.h"		/* for USE_ASM */
+#include "gxfarith.h"
+#include "gxfixed.h"
+
+/* Define private replacements for stdin, stdout, and stderr. */
+FILE *gs_stdin, *gs_stdout, *gs_stderr;
+
+/* Ghostscript writes debugging output to gs_debug_out. */
+/* We define gs_debug and gs_debug_out even if DEBUG isn't defined, */
+/* so that we can compile individual modules with DEBUG set. */
+char gs_debug[128];
+FILE *gs_debug_out;
+
+/* Test whether a given debugging option is selected. */
+/* Upper-case letters automatically include their lower-case counterpart. */
+bool
+gs_debug_c(int c)
+{
+    return
+	(c >= 'a' && c <= 'z' ? gs_debug[c] | gs_debug[c ^ 32] : gs_debug[c]);
+}
+
+/* Define the formats for debugging printout. */
+const char *const dprintf_file_and_line_format = "%10s(%4d): ";
+const char *const dprintf_file_only_format = "%10s(unkn): ";
+
+/*
+ * Define the trace printout procedures.  We always include these, in case
+ * other modules were compiled with DEBUG set.
+ */
+private const char *
+dprintf_file_tail(const char *file)
+{
+    const char *tail = file + strlen(file);
+
+    while (tail > file &&
+	   (isalnum(tail[-1]) || tail[-1] == '.' || tail[-1] == '_')
+	)
+	--tail;
+    return tail;
+}
+void
+dprintf_file_and_line(FILE * f, const char *file, int line)
+{
+    if (gs_debug['/'])
+	fprintf(f, dprintf_file_and_line_format,
+		dprintf_file_tail(file), line);
+}
+void
+dprintf_file(FILE * f, const char *file)
+{
+    if (gs_debug['/'])
+	fprintf(f, dprintf_file_only_format, dprintf_file_tail(file));
+}
+void
+eprintf_program_name(FILE * f, const char *program_name)
+{
+    if (program_name)
+	fprintf(f, "%s: ", program_name);
+}
+void
+lprintf_file_and_line(FILE * f, const char *file, int line)
+{
+    fprintf(f, "%s(%d): ", file, line);
+}
+void
+lprintf_file_only(FILE * f, const char *file)
+{
+    fprintf(f, "%s(?): ", file);
+}
+
+/* Log an error return.  We always include this, in case other */
+/* modules were compiled with DEBUG set. */
+#undef gs_log_error		/* in case DEBUG isn't set */
+int
+gs_log_error(int err, const char *file, int line)
+{
+    if (gs_log_errors) {
+	if (file == NULL)
+	    dprintf1("Returning error %d.\n", err);
+	else
+	    dprintf3("%s(%d): Returning error %d.\n",
+		     (const char *)file, line, err);
+    }
+    return err;
+}
+
+/* Check for interrupts before a return. */
+int
+gs_return_check_interrupt(int code)
+{
+    if (code < 0)
+	return code;
+    {
+	int icode = gp_check_interrupts();
+
+	return (icode == 0 ? code :
+		gs_note_error((icode > 0 ? gs_error_interrupt : icode)));
+    }
+}
+
+/* ------ Substitutes for missing C library functions ------ */
+
+#ifdef memory__need_memmove	/* see memory_.h */
+/* Copy bytes like memcpy, guaranteed to handle overlap correctly. */
+/* ANSI C defines the returned value as being the src argument, */
+/* but with the const restriction removed! */
+void *
+gs_memmove(void *dest, const void *src, size_t len)
+{
+    if (!len)
+	return (void *)src;
+#define bdest ((byte *)dest)
+#define bsrc ((const byte *)src)
+    /* We use len-1 for comparisons because adding len */
+    /* might produce an offset overflow on segmented systems. */
+    if (ptr_le(bdest, bsrc)) {
+	register byte *end = bdest + (len - 1);
+
+	if (ptr_le(bsrc, end)) {	/* Source overlaps destination from above. */
+	    register const byte *from = bsrc;
+	    register byte *to = bdest;
+
+	    for (;;) {
+		*to = *from;
+		if (to >= end)	/* faster than = */
+		    return (void *)src;
+		to++;
+		from++;
+	    }
+	}
+    } else {
+	register const byte *from = bsrc + (len - 1);
+
+	if (ptr_le(bdest, from)) {	/* Source overlaps destination from below. */
+	    register const byte *end = bsrc;
+	    register byte *to = bdest + (len - 1);
+
+	    for (;;) {
+		*to = *from;
+		if (from <= end)	/* faster than = */
+		    return (void *)src;
+		to--;
+		from--;
+	    }
+	}
+    }
+#undef bdest
+#undef bsrc
+    /* No overlap, it's safe to use memcpy. */
+    memcpy(dest, src, len);
+    return (void *)src;
+}
+#endif
+
+#ifdef memory__need_memchr	/* see memory_.h */
+/* ch should obviously be char rather than int, */
+/* but the ANSI standard declaration uses int. */
+const char *
+gs_memchr(const char *ptr, int ch, size_t len)
+{
+    if (len > 0) {
+	register const char *p = ptr;
+	register uint count = len;
+
+	do {
+	    if (*p == (char)ch)
+		return p;
+	    p++;
+	} while (--count);
+    }
+    return 0;
+}
+#endif
+
+#ifdef memory__need_memset	/* see memory_.h */
+/* ch should obviously be char rather than int, */
+/* but the ANSI standard declaration uses int. */
+void *
+gs_memset(void *dest, register int ch, size_t len)
+{
+    if (ch == 0)
+	bzero(dest, len);
+    else if (len > 0) {
+	register char *p = dest;
+	register uint count = len;
+
+	do {
+	    *p++ = (char)ch;
+	} while (--count);
+    }
+    return dest;
+}
+#endif
+
+#ifdef malloc__need_realloc	/* see malloc_.h */
+/* Some systems have non-working implementations of realloc. */
+void *
+gs_realloc(void *old_ptr, size_t old_size, size_t new_size)
+{
+    void *new_ptr;
+
+    /**** MRS - 64-bit align all data structures!!!!!!!!!!! ****/
+    new_size = (new_size + 7) & ~7;
+
+    if (new_size) {
+	new_ptr = calloc(1, new_size);
+	if (new_ptr == NULL)
+	    return NULL;
+    } else
+	new_ptr = NULL;
+    /* We have to pass in the old size, since we have no way to */
+    /* determine it otherwise. */
+    if (old_ptr != NULL) {
+	if (new_ptr != NULL)
+	    memcpy(new_ptr, old_ptr, min(old_size, new_size));
+	free(old_ptr);
+    }
+    return new_ptr;
+}
+#endif
+
+/* ------ Debugging support ------ */
+
+/* Dump a region of memory. */
+void
+debug_dump_bytes(const byte * from, const byte * to, const char *msg)
+{
+    const byte *p = from;
+
+    if (from < to && msg)
+	dprintf1("%s:\n", msg);
+    while (p != to) {
+	const byte *q = min(p + 16, to);
+
+	dprintf1("0x%lx:", (ulong) p);
+	while (p != q)
+	    dprintf1(" %02x", *p++);
+	dputc('\n');
+    }
+}
+
+/* Dump a bitmap. */
+void
+debug_dump_bitmap(const byte * bits, uint raster, uint height, const char *msg)
+{
+    uint y;
+    const byte *data = bits;
+
+    for (y = 0; y < height; ++y, data += raster)
+	debug_dump_bytes(data, data + raster, (y == 0 ? msg : NULL));
+}
+
+/* Print a string. */
+void
+debug_print_string(const byte * chrs, uint len)
+{
+    uint i;
+
+    for (i = 0; i < len; i++)
+	dputc(chrs[i]);
+    fflush(dstderr);
+}
+
+/* ------ Arithmetic ------ */
+
+/* Compute M modulo N.  Requires N > 0; guarantees 0 <= imod(M,N) < N, */
+/* regardless of the whims of the % operator for negative operands. */
+int
+imod(int m, int n)
+{
+    if (n <= 0)
+	return 0;		/* sanity check */
+    if (m >= 0)
+	return m % n;
+    {
+	int r = -m % n;
+
+	return (r == 0 ? 0 : n - r);
+    }
+}
+
+/* Compute the GCD of two integers. */
+int
+igcd(int x, int y)
+{
+    int c = x, d = y;
+
+    if (c < 0)
+	c = -c;
+    if (d < 0)
+	d = -d;
+    while (c != 0 && d != 0)
+	if (c > d)
+	    c %= d;
+	else
+	    d %= c;
+    return d + c;		/* at most one is non-zero */
+}
+
+#if defined(set_fmul2fixed_vars) && !USE_ASM
+
+/*
+ * Floating multiply with fixed result, for avoiding floating point in
+ * common coordinate transformations.  Assumes IEEE representation,
+ * 16-bit short, 32-bit long.  Optimized for the case where the first
+ * operand has no more than 16 mantissa bits, e.g., where it is a user space
+ * coordinate (which are often integers).
+ *
+ * The assembly language version of this code is actually faster than
+ * the FPU, if the code is compiled with FPU_TYPE=0 (which requires taking
+ * a trap on every FPU operation).  If there is no FPU, the assembly
+ * language version of this code is over 10 times as fast as the emulated FPU.
+ */
+/* Some of the following code has been tweaked for the Borland 16-bit */
+/* compiler.  The tweaks do not change the algorithms. */
+#if arch_ints_are_short && !defined(FOR80386)
+#  define SHORT_ARITH
+#endif
+int
+set_fmul2fixed_(fixed * pr, long /*float */ a, long /*float */ b)
+{
+#ifdef SHORT_ARITH
+#  define long_rsh8_ushort(x)\
+    (((ushort)(x) >> 8) | ((ushort)((ulong)(x) >> 16) << 8))
+#  define utemp ushort
+#else
+#  define long_rsh8_ushort(x) ((ushort)((x) >> 8))
+#  define utemp ulong
+#endif
+    /* utemp may be either ushort or ulong.  This is OK because */
+    /* we only use ma and mb in multiplications involving */
+    /* a long or ulong operand. */
+    utemp ma = long_rsh8_ushort(a) | 0x8000;
+    utemp mb = long_rsh8_ushort(b) | 0x8000;
+    int e = 260 + _fixed_shift - ((
+				      (((uint) ((ulong) a >> 16)) & 0x7f80) +
+				      (((uint) ((ulong) b >> 16)) & 0x7f80)
+				  ) >> 7);
+    ulong p1 = ma * (b & 0xff);
+    ulong p = (ulong) ma * mb;
+
+#define p_bits (size_of(p) * 8)
+
+    if ((byte) a) {		/* >16 mantissa bits */
+	ulong p2 = (a & 0xff) * mb;
+
+	p += ((((uint) (byte) a * (uint) (byte) b) >> 8) + p1 + p2) >> 8;
+    } else
+	p += p1 >> 8;
+    if ((uint) e < p_bits)	/* e = -1 is possible */
+	p >>= e;
+    else if (e >= p_bits) {	/* also detects a=0 or b=0 */
+	*pr = fixed_0;
+	return 0;
+    } else if (e >= -(p_bits - 1) || p >= 1L << (p_bits - 1 + e))
+	return_error(gs_error_limitcheck);
+    else
+	p <<= -e;
+    *pr = ((a ^ b) < 0 ? -p : p);
+    return 0;
+}
+int
+set_dfmul2fixed_(fixed * pr, ulong /*double lo */ xalo, long /*float */ b, long /*double hi */ xahi)
+{
+#ifdef SHORT_ARITH
+#  define long_lsh3(x) ((((x) << 1) << 1) << 1)
+#  define long_rsh(x,ng16) ((uint)((x) >> 16) >> (ng16 - 16))
+#else
+#  define long_lsh3(x) ((x) << 3)
+#  define long_rsh(x,ng16) ((x) >> ng16)
+#endif
+    return set_fmul2fixed_(pr,
+			   (xahi & 0xc0000000) +
+			   (long_lsh3(xahi) & 0x3ffffff8) +
+			   long_rsh(xalo, 29),
+			   b);
+}
+
+#endif
+
+#if USE_FPU_FIXED
+
+/*
+ * Convert from floating point to fixed point with scaling.
+ * These are efficient algorithms for FPU-less machines.
+ */
+#define mbits_float 23
+#define mbits_double 20
+int
+set_float2fixed_(fixed * pr, long /*float */ vf, int frac_bits)
+{
+    fixed mantissa;
+    int shift;
+
+    if (!(vf & 0x7f800000)) {
+	*pr = fixed_0;
+	return 0;
+    }
+    mantissa = (fixed) ((vf & 0x7fffff) | 0x800000);
+    shift = ((vf >> 23) & 255) - (127 + 23) + frac_bits;
+    if (shift >= 0) {
+	if (shift >= sizeof(fixed) * 8 - 24)
+	    return_error(gs_error_limitcheck);
+	if (vf < 0)
+	    mantissa = -mantissa;
+	*pr = (fixed) (mantissa << shift);
+    } else
+	*pr = (shift < -24 ? fixed_0 :
+	       vf < 0 ? -(fixed) (mantissa >> -shift) :		/* truncate */
+	       (fixed) (mantissa >> -shift));
+    return 0;
+}
+int
+set_double2fixed_(fixed * pr, ulong /*double lo */ lo,
+		  long /*double hi */ hi, int frac_bits)
+{
+    fixed mantissa;
+    int shift;
+
+    if (!(hi & 0x7ff00000)) {
+	*pr = fixed_0;
+	return 0;
+    }
+    /* We only use 31 bits of mantissa even if sizeof(long) > 4. */
+    mantissa = (fixed) (((hi & 0xfffff) << 10) | (lo >> 22) | 0x40000000);
+    shift = ((hi >> 20) & 2047) - (1023 + 30) + frac_bits;
+    if (shift > 0)
+	return_error(gs_error_limitcheck);
+    *pr = (shift < -30 ? fixed_0 :
+	   hi < 0 ? -(fixed) (mantissa >> -shift) :	/* truncate */
+	   (fixed) (mantissa >> -shift));
+    return 0;
+}
+/*
+ * Given a fixed value x with fbits bits of fraction, set v to the mantissa
+ * (left-justified in 32 bits) and f to the exponent word of the
+ * corresponding floating-point value with mbits bits of mantissa in the
+ * first word.  (The exponent part of f is biased by -1, because we add the
+ * top 1-bit of the mantissa to it.)
+ */
+static const byte f2f_shifts[] =
+{4, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0};
+
+#define f2f_declare(v, f)\
+	ulong v;\
+	long f
+#define f2f(x, v, f, mbits, fbits)\
+	if ( x < 0 )\
+	  f = 0xc0000000 + (29 << mbits) - ((long)fbits << mbits), v = -x;\
+	else\
+	  f = 0x40000000 + (29 << mbits) - ((long)fbits << mbits), v = x;\
+	if ( v < 0x8000 )\
+	  v <<= 15, f -= 15 << mbits;\
+	if ( v < 0x800000 )\
+	  v <<= 8, f -= 8 << mbits;\
+	if ( v < 0x8000000 )\
+	  v <<= 4, f -= 4 << mbits;\
+	{ int shift = f2f_shifts[v >> 28];\
+	  v <<= shift, f -= shift << mbits;\
+	}
+long
+fixed2float_(fixed x, int frac_bits)
+{
+    f2f_declare(v, f);
+
+    if (x == 0)
+	return 0;
+    f2f(x, v, f, mbits_float, frac_bits);
+    return f + (((v >> 7) + 1) >> 1);
+}
+void
+set_fixed2double_(double *pd, fixed x, int frac_bits)
+{
+    f2f_declare(v, f);
+
+    if (x == 0) {
+	((long *)pd)[1 - arch_is_big_endian] = 0;
+	((ulong *) pd)[arch_is_big_endian] = 0;
+    } else {
+	f2f(x, v, f, mbits_double, frac_bits);
+	((long *)pd)[1 - arch_is_big_endian] = f + (v >> 11);
+	((ulong *) pd)[arch_is_big_endian] = v << 21;
+    }
+}
+
+/*
+ * Compute A * B / C when 0 <= B < C and A * B exceeds (or might exceed)
+ * the capacity of a long.
+ */
+#ifdef DEBUG
+struct {
+    long mnanb, mnab, manb, mab, mnc, mdq, mde, mds, mqh, mql;
+} fmq_stat;
+
+#  define mincr(x) ++fmq_stat.x
+#else
+#  define mincr(x) DO_NOTHING
+#endif
+fixed
+fixed_mult_quo(fixed signed_A, fixed B, fixed C)
+{				/* First compute A * B in double-fixed precision. */
+    ulong A = (signed_A < 0 ? -signed_A : signed_A);
+    long msw;
+    ulong lsw;
+    ulong p1;
+
+#define num_bits (sizeof(fixed) * 8)
+#define half_bits (num_bits / 2)
+#define half_mask ((1L << half_bits) - 1)
+    if (B <= half_mask) {
+	if (A <= half_mask) {
+	    fixed Q = (ulong) (A * B) / (ulong) C;
+
+	    mincr(mnanb);
+	    return (signed_A < 0 ? -Q : Q);
+	}
+	/*
+	 * We might still have C <= half_mask, which we can
+	 * handle with a simpler algorithm.
+	 */
+	lsw = (A & half_mask) * B;
+	p1 = (A >> half_bits) * B;
+	if (C <= half_mask) {
+	    ulong q0 = (p1 += lsw >> half_bits) / C;
+	    ulong rem = ((p1 - C * q0) << half_bits) + (lsw & half_mask);
+	    ulong Q = (q0 << half_bits) + rem / C;
+
+	    mincr(mnc);
+	    return (signed_A < 0 ? -Q : Q);
+	}
+	msw = p1 >> half_bits;
+	mincr(manb);
+    } else if (A <= half_mask) {
+	p1 = A * (B >> half_bits);
+	msw = p1 >> half_bits;
+	lsw = A * (B & half_mask);
+	mincr(mnab);
+    } else {			/* We have to compute all 4 products.  :-( */
+	ulong lo_A = A & half_mask;
+	ulong hi_A = A >> half_bits;
+	ulong lo_B = B & half_mask;
+	ulong hi_B = B >> half_bits;
+	ulong p1x = hi_A * lo_B;
+
+	msw = hi_A * hi_B;
+	lsw = lo_A * lo_B;
+	p1 = lo_A * hi_B;
+	if (p1 > max_ulong - p1x)
+	    msw += 1L << half_bits;
+	p1 += p1x;
+	msw += p1 >> half_bits;
+	mincr(mab);
+    }
+    /* Finish up by adding the low half of p1 to the high half of lsw. */
+#if max_fixed < max_long
+    p1 &= half_mask;
+#endif
+    p1 <<= half_bits;
+    if (p1 > max_ulong - lsw)
+	msw++;
+    lsw += p1;
+    /*
+     * Now divide the double-length product by C.  Note that we know msw
+     * < C (otherwise the quotient would overflow).  Start by shifting
+     * (msw,lsw) and C left until C >= 1 << (num_bits - 1).
+     */
+    {
+	ulong denom = C;
+	int shift = 0;
+
+#define bits_4th (num_bits / 4)
+	if (denom < 1L << (num_bits - bits_4th)) {
+	    mincr(mdq);
+	    denom <<= bits_4th, shift += bits_4th;
+	}
+#undef bits_4th
+#define bits_8th (num_bits / 8)
+	if (denom < 1L << (num_bits - bits_8th)) {
+	    mincr(mde);
+	    denom <<= bits_8th, shift += bits_8th;
+	}
+#undef bits_8th
+	while (!(denom & (1L << (num_bits - 1)))) {
+	    mincr(mds);
+	    denom <<= 1, ++shift;
+	}
+	msw = (msw << shift) + (lsw >> (num_bits - shift));
+	lsw <<= shift;
+#if max_fixed < max_long
+	lsw &= (1L << (sizeof(fixed) * 8)) - 1;
+#endif
+	/* Compute a trial upper-half quotient. */
+	{
+	    ulong hi_D = denom >> half_bits;
+	    ulong lo_D = denom & half_mask;
+	    ulong hi_Q = (ulong) msw / hi_D;
+
+	    /* hi_Q might be too high by 1 or 2, but it isn't too low. */
+	    ulong p0 = hi_Q * hi_D;
+	    ulong p1 = hi_Q * lo_D;
+	    ulong hi_P;
+
+	    while ((hi_P = p0 + (p1 >> half_bits)) > msw ||
+		   (hi_P == msw && ((p1 & half_mask) << half_bits) > lsw)
+		) {		/* hi_Q was too high by 1. */
+		--hi_Q;
+		p0 -= hi_D;
+		p1 -= lo_D;
+		mincr(mqh);
+	    }
+	    p1 = (p1 & half_mask) << half_bits;
+	    if (p1 > lsw)
+		msw--;
+	    lsw -= p1;
+	    msw -= hi_P;
+	    /* Now repeat to get the lower-half quotient. */
+	    msw = (msw << half_bits) + (lsw >> half_bits);
+#if max_fixed < max_long
+	    lsw &= half_mask;
+#endif
+	    lsw <<= half_bits;
+	    {
+		ulong lo_Q = (ulong) msw / hi_D;
+		long Q;
+
+		p1 = lo_Q * lo_D;
+		p0 = lo_Q * hi_D;
+		while ((hi_P = p0 + (p1 >> half_bits)) > msw ||
+		       (hi_P == msw && ((p1 & half_mask) << half_bits) > lsw)
+		    ) {		/* lo_Q was too high by 1. */
+		    --lo_Q;
+		    p0 -= hi_D;
+		    p1 -= lo_D;
+		    mincr(mql);
+		}
+		Q = (hi_Q << half_bits) + lo_Q;
+		return (signed_A < 0 ? -Q : Q);
+	    }
+	}
+    }
+#undef half_bits
+#undef half_mask
+}
+
+#endif
+
+/* Trace calls on sqrt when debugging. */
+#undef sqrt
+extern double sqrt(P1(double));
+double
+gs_sqrt(double x, const char *file, int line)
+{
+    if (gs_debug_c('~')) {
+	fprintf(stderr, "[~]sqrt(%g) at %s:%d\n",
+		x, (const char *)file, line);
+	fflush(stderr);
+    }
+    return sqrt(x);
+}
+
+/*
+ * Define sine and cosine functions that take angles in degrees rather than
+ * radians, and that are implemented efficiently on machines with slow
+ * (or no) floating point.
+ */
+#if USE_FPU < 0			/****** maybe should be <= 0 ? ***** */
+
+#define sin0 0.00000000000000000
+#define sin1 0.01745240643728351
+#define sin2 0.03489949670250097
+#define sin3 0.05233595624294383
+#define sin4 0.06975647374412530
+#define sin5 0.08715574274765817
+#define sin6 0.10452846326765346
+#define sin7 0.12186934340514748
+#define sin8 0.13917310096006544
+#define sin9 0.15643446504023087
+#define sin10 0.17364817766693033
+#define sin11 0.19080899537654480
+#define sin12 0.20791169081775931
+#define sin13 0.22495105434386498
+#define sin14 0.24192189559966773
+#define sin15 0.25881904510252074
+#define sin16 0.27563735581699916
+#define sin17 0.29237170472273671
+#define sin18 0.30901699437494740
+#define sin19 0.32556815445715670
+#define sin20 0.34202014332566871
+#define sin21 0.35836794954530027
+#define sin22 0.37460659341591201
+#define sin23 0.39073112848927377
+#define sin24 0.40673664307580015
+#define sin25 0.42261826174069944
+#define sin26 0.43837114678907740
+#define sin27 0.45399049973954675
+#define sin28 0.46947156278589081
+#define sin29 0.48480962024633706
+#define sin30 0.50000000000000000
+#define sin31 0.51503807491005416
+#define sin32 0.52991926423320490
+#define sin33 0.54463903501502708
+#define sin34 0.55919290347074679
+#define sin35 0.57357643635104605
+#define sin36 0.58778525229247314
+#define sin37 0.60181502315204827
+#define sin38 0.61566147532565829
+#define sin39 0.62932039104983739
+#define sin40 0.64278760968653925
+#define sin41 0.65605902899050728
+#define sin42 0.66913060635885824
+#define sin43 0.68199836006249848
+#define sin44 0.69465837045899725
+#define sin45 0.70710678118654746
+#define sin46 0.71933980033865108
+#define sin47 0.73135370161917046
+#define sin48 0.74314482547739413
+#define sin49 0.75470958022277201
+#define sin50 0.76604444311897801
+#define sin51 0.77714596145697090
+#define sin52 0.78801075360672190
+#define sin53 0.79863551004729283
+#define sin54 0.80901699437494745
+#define sin55 0.81915204428899180
+#define sin56 0.82903757255504174
+#define sin57 0.83867056794542394
+#define sin58 0.84804809615642596
+#define sin59 0.85716730070211222
+#define sin60 0.86602540378443860
+#define sin61 0.87461970713939574
+#define sin62 0.88294759285892688
+#define sin63 0.89100652418836779
+#define sin64 0.89879404629916704
+#define sin65 0.90630778703664994
+#define sin66 0.91354545764260087
+#define sin67 0.92050485345244037
+#define sin68 0.92718385456678731
+#define sin69 0.93358042649720174
+#define sin70 0.93969262078590832
+#define sin71 0.94551857559931674
+#define sin72 0.95105651629515353
+#define sin73 0.95630475596303544
+#define sin74 0.96126169593831889
+#define sin75 0.96592582628906831
+#define sin76 0.97029572627599647
+#define sin77 0.97437006478523525
+#define sin78 0.97814760073380558
+#define sin79 0.98162718344766398
+#define sin80 0.98480775301220802
+#define sin81 0.98768834059513777
+#define sin82 0.99026806874157036
+#define sin83 0.99254615164132198
+#define sin84 0.99452189536827329
+#define sin85 0.99619469809174555
+#define sin86 0.99756405025982420
+#define sin87 0.99862953475457383
+#define sin88 0.99939082701909576
+#define sin89 0.99984769515639127
+#define sin90 1.00000000000000000
+
+private const double sin_table[361] =
+{
+    sin0,
+    sin1, sin2, sin3, sin4, sin5, sin6, sin7, sin8, sin9, sin10,
+    sin11, sin12, sin13, sin14, sin15, sin16, sin17, sin18, sin19, sin20,
+    sin21, sin22, sin23, sin24, sin25, sin26, sin27, sin28, sin29, sin30,
+    sin31, sin32, sin33, sin34, sin35, sin36, sin37, sin38, sin39, sin40,
+    sin41, sin42, sin43, sin44, sin45, sin46, sin47, sin48, sin49, sin50,
+    sin51, sin52, sin53, sin54, sin55, sin56, sin57, sin58, sin59, sin60,
+    sin61, sin62, sin63, sin64, sin65, sin66, sin67, sin68, sin69, sin70,
+    sin71, sin72, sin73, sin74, sin75, sin76, sin77, sin78, sin79, sin80,
+    sin81, sin82, sin83, sin84, sin85, sin86, sin87, sin88, sin89, sin90,
+    sin89, sin88, sin87, sin86, sin85, sin84, sin83, sin82, sin81, sin80,
+    sin79, sin78, sin77, sin76, sin75, sin74, sin73, sin72, sin71, sin70,
+    sin69, sin68, sin67, sin66, sin65, sin64, sin63, sin62, sin61, sin60,
+    sin59, sin58, sin57, sin56, sin55, sin54, sin53, sin52, sin51, sin50,
+    sin49, sin48, sin47, sin46, sin45, sin44, sin43, sin42, sin41, sin40,
+    sin39, sin38, sin37, sin36, sin35, sin34, sin33, sin32, sin31, sin30,
+    sin29, sin28, sin27, sin26, sin25, sin24, sin23, sin22, sin21, sin20,
+    sin19, sin18, sin17, sin16, sin15, sin14, sin13, sin12, sin11, sin10,
+    sin9, sin8, sin7, sin6, sin5, sin4, sin3, sin2, sin1, sin0,
+    -sin1, -sin2, -sin3, -sin4, -sin5, -sin6, -sin7, -sin8, -sin9, -sin10,
+    -sin11, -sin12, -sin13, -sin14, -sin15, -sin16, -sin17, -sin18, -sin19, -sin20,
+    -sin21, -sin22, -sin23, -sin24, -sin25, -sin26, -sin27, -sin28, -sin29, -sin30,
+    -sin31, -sin32, -sin33, -sin34, -sin35, -sin36, -sin37, -sin38, -sin39, -sin40,
+    -sin41, -sin42, -sin43, -sin44, -sin45, -sin46, -sin47, -sin48, -sin49, -sin50,
+    -sin51, -sin52, -sin53, -sin54, -sin55, -sin56, -sin57, -sin58, -sin59, -sin60,
+    -sin61, -sin62, -sin63, -sin64, -sin65, -sin66, -sin67, -sin68, -sin69, -sin70,
+    -sin71, -sin72, -sin73, -sin74, -sin75, -sin76, -sin77, -sin78, -sin79, -sin80,
+    -sin81, -sin82, -sin83, -sin84, -sin85, -sin86, -sin87, -sin88, -sin89, -sin90,
+    -sin89, -sin88, -sin87, -sin86, -sin85, -sin84, -sin83, -sin82, -sin81, -sin80,
+    -sin79, -sin78, -sin77, -sin76, -sin75, -sin74, -sin73, -sin72, -sin71, -sin70,
+    -sin69, -sin68, -sin67, -sin66, -sin65, -sin64, -sin63, -sin62, -sin61, -sin60,
+    -sin59, -sin58, -sin57, -sin56, -sin55, -sin54, -sin53, -sin52, -sin51, -sin50,
+    -sin49, -sin48, -sin47, -sin46, -sin45, -sin44, -sin43, -sin42, -sin41, -sin40,
+    -sin39, -sin38, -sin37, -sin36, -sin35, -sin34, -sin33, -sin32, -sin31, -sin30,
+    -sin29, -sin28, -sin27, -sin26, -sin25, -sin24, -sin23, -sin22, -sin21, -sin20,
+    -sin19, -sin18, -sin17, -sin16, -sin15, -sin14, -sin13, -sin12, -sin11, -sin10,
+    -sin9, -sin8, -sin7, -sin6, -sin5, -sin4, -sin3, -sin2, -sin1, -sin0
+};
+
+double
+gs_sin_degrees(double ang)
+{
+    int ipart;
+
+    if (is_fneg(ang))
+	ang = 180 - ang;
+    ipart = (int)ang;
+    if (ipart >= 360) {
+	int arem = ipart % 360;
+
+	ang -= (ipart - arem);
+	ipart = arem;
+    }
+    return
+	(ang == ipart ? sin_table[ipart] :
+	 sin_table[ipart] + (sin_table[ipart + 1] - sin_table[ipart]) *
+	 (ang - ipart));
+}
+
+double
+gs_cos_degrees(double ang)
+{
+    int ipart;
+
+    if (is_fneg(ang))
+	ang = 90 - ang;
+    else
+	ang += 90;
+    ipart = (int)ang;
+    if (ipart >= 360) {
+	int arem = ipart % 360;
+
+	ang -= (ipart - arem);
+	ipart = arem;
+    }
+    return
+	(ang == ipart ? sin_table[ipart] :
+	 sin_table[ipart] + (sin_table[ipart + 1] - sin_table[ipart]) *
+	 (ang - ipart));
+}
+
+void
+gs_sincos_degrees(double ang, gs_sincos_t * psincos)
+{
+    psincos->sin = gs_sin_degrees(ang);
+    psincos->cos = gs_cos_degrees(ang);
+    psincos->orthogonal =
+	(is_fzero(psincos->sin) || is_fzero(psincos->cos));
+}
+
+#else /* we have floating point */
+
+static const int isincos[5] =
+{0, 1, 0, -1, 0};
+
+double
+gs_sin_degrees(double ang)
+{
+    double quot = ang / 90;
+
+    if (floor(quot) == quot) {
+	/*
+	 * We need 4.0, rather than 4, here because of non-ANSI compilers.
+	 * The & 3 is because quot might be negative.
+	 */
+	return isincos[(int)fmod(quot, 4.0) & 3];
+    }
+    return sin(ang * (M_PI / 180));
+}
+
+double
+gs_cos_degrees(double ang)
+{
+    double quot = ang / 90;
+
+    if (floor(quot) == quot) {
+	/* See above re the following line. */
+	return isincos[((int)fmod(quot, 4.0) & 3) + 1];
+    }
+    return cos(ang * (M_PI / 180));
+}
+
+void
+gs_sincos_degrees(double ang, gs_sincos_t * psincos)
+{
+    double quot = ang / 90;
+
+    if (floor(quot) == quot) {
+	/* See above re the following line. */
+	int quads = (int)fmod(quot, 4.0) & 3;
+
+	psincos->sin = isincos[quads];
+	psincos->cos = isincos[quads + 1];
+	psincos->orthogonal = true;
+    } else {
+	double arad = ang * (M_PI / 180);
+
+	psincos->sin = sin(arad);
+	psincos->cos = cos(arad);
+	psincos->orthogonal = false;
+    }
+}
+
+#endif /* USE_FPU */
diff --git a/pstoraster/gsnorop.c b/pstoraster/gsnorop.c
new file mode 100644
index 000000000..7b891142d
--- /dev/null
+++ b/pstoraster/gsnorop.c
@@ -0,0 +1,119 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Stubs for unimplemented RasterOp */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrop.h"
+#include "gxdevcli.h"
+#include "gdevmrop.h"
+
+/* Stub accessors to logical operation in graphics state. */
+
+gs_logical_operation_t
+gs_current_logical_op(const gs_state * pgs)
+{
+    return lop_default;
+}
+
+int
+gs_set_logical_op(gs_state * pgs, gs_logical_operation_t lop)
+{
+    return (lop == lop_default ? 0 : gs_note_error(gs_error_rangecheck));
+}
+
+/* Stub RasterOp implementations for memory devices. */
+
+int
+mem_mono_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+			const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			int x, int y, int width, int height,
+			int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_rangecheck);
+}
+
+int
+mem_gray_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+			const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			int x, int y, int width, int height,
+			int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_rangecheck);
+}
+
+int
+mem_gray8_rgb24_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+			       const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			       int x, int y, int width, int height,
+		       int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_rangecheck);
+}
+
+/* Stub default implementations of device procedures. */
+
+int
+gx_default_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+		    const gx_color_index * scolors,
+	     const gx_tile_bitmap * texture, const gx_color_index * tcolors,
+		    int x, int y, int width, int height,
+		    int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_unknownerror);	/* not implemented */
+}
+
+int
+gx_default_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+			  const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			  int x, int y, int width, int height,
+		       int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    return_error(gs_error_unknownerror);	/* not implemented */
+}
+
+/* Stub RasterOp source devices. */
+
+int
+gx_alloc_rop_texture_device(gx_device_rop_texture ** prsdev, gs_memory_t * mem,
+			    client_name_t cname)
+{
+    return_error(gs_error_rangecheck);
+}
+
+void
+gx_make_rop_texture_device(gx_device_rop_texture * dev, gx_device * target,
+	     gs_logical_operation_t log_op, const gx_device_color * texture)
+{				/* Never called. */
+}
diff --git a/pstoraster/gspaint.c b/pstoraster/gspaint.c
new file mode 100644
index 000000000..af12ea2c5
--- /dev/null
+++ b/pstoraster/gspaint.c
@@ -0,0 +1,356 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Painting procedures for Ghostscript library */
+#include "math_.h"		/* for fabs */
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsropt.h"		/* for gxpaint.h */
+#include "gxfixed.h"
+#include "gxmatrix.h"		/* for gs_state */
+#include "gspaint.h"
+#include "gspath.h"
+#include "gzpath.h"
+#include "gxpaint.h"
+#include "gzstate.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxcpath.h"
+
+/* Define the nominal size for alpha buffers. */
+#define abuf_nominal_SMALL 500
+#define abuf_nominal_LARGE 2000
+#if arch_small_memory
+#  define abuf_nominal abuf_nominal_SMALL
+#else
+#  define abuf_nominal\
+     (gs_debug_c('.') ? abuf_nominal_SMALL : abuf_nominal_LARGE)
+#endif
+
+/* Erase the page */
+int
+gs_erasepage(gs_state * pgs)
+{
+    /*
+     * We can't just fill with device white; we must take the
+     * transfer function into account.
+     */
+    int code;
+
+    if ((code = gs_gsave(pgs)) < 0)
+	return code;
+    if ((code = gs_setgray(pgs, 1.0)) >= 0) {
+	/* Fill the page directly, ignoring clipping. */
+	code = gs_fillpage(pgs);
+    }
+    gs_grestore(pgs);
+    return code;
+}
+
+/* Fill the page with the current color. */
+int
+gs_fillpage(gs_state * pgs)
+{
+    gx_device *dev;
+    int code;
+    gs_logical_operation_t save_lop;
+
+    gx_set_dev_color(pgs);
+    dev = gs_currentdevice(pgs);
+    /* Fill the page directly, ignoring clipping. */
+    /* Use the default RasterOp. */
+    save_lop = pgs->log_op;
+    gs_init_rop(pgs);
+    code = gx_fill_rectangle(0, 0, dev->width, dev->height,
+			     pgs->dev_color, pgs);
+    pgs->log_op = save_lop;
+    if (code < 0)
+	return code;
+    return (*dev_proc(dev, sync_output)) (dev);
+}
+
+/*
+ * Determine the number of bits of alpha buffer for a stroke or fill.
+ * We should do alpha buffering iff this value is >1.
+ */
+private int
+alpha_buffer_bits(gs_state * pgs)
+{
+    gx_device *dev;
+
+    if (!color_is_pure(pgs->dev_color))
+	return 0;
+    dev = gs_currentdevice_inline(pgs);
+    if (gs_device_is_abuf(dev)) {
+	/* We're already writing into an alpha buffer. */
+	return 0;
+    }
+    return (*dev_proc(dev, get_alpha_bits)) (dev, go_graphics);
+}
+/*
+ * Set up an alpha buffer for a stroke or fill operation.  Return 0
+ * if no buffer could be allocated, 1 if a buffer was installed,
+ * or the usual negative error code.
+ *
+ * The fill/stroke code sets up a clipping device if needed; however,
+ * since we scale up all the path coordinates, we either need to scale up
+ * the clipping region, or do clipping after, rather than before,
+ * alpha buffering.  Either of these is a little inconvenient, but
+ * the former is less inconvenient.
+ */
+private int
+scale_paths(gs_state * pgs, int log2_scale_x, int log2_scale_y, bool do_path)
+{
+    if (do_path)
+	gx_path_scale_exp2(pgs->path, log2_scale_x, log2_scale_y);
+    gx_cpath_scale_exp2(pgs->clip_path, log2_scale_x, log2_scale_y);
+    if (pgs->view_clip != 0)
+	gx_cpath_scale_exp2(pgs->view_clip, log2_scale_x, log2_scale_y);
+    if (pgs->effective_clip_path != pgs->clip_path &&
+	pgs->effective_clip_path != pgs->view_clip
+	)
+	gx_cpath_scale_exp2(pgs->effective_clip_path,
+			    log2_scale_x, log2_scale_y);
+    return 0;
+}
+private void
+scale_dash_pattern(gs_state * pgs, floatp scale)
+{
+    int i;
+
+    for (i = 0; i < pgs->line_params.dash.pattern_size; ++i)
+	pgs->line_params.dash.pattern[i] *= scale;
+    pgs->line_params.dash.offset *= scale;
+    pgs->line_params.dash.pattern_length *= scale;
+    pgs->line_params.dash.init_dist_left *= scale;
+    if (pgs->line_params.dot_length_absolute)
+	pgs->line_params.dot_length *= scale;
+}
+private int
+alpha_buffer_init(gs_state * pgs, fixed extra_x, fixed extra_y, int alpha_bits)
+{
+    gx_device *dev = gs_currentdevice_inline(pgs);
+    int log2_alpha_bits;
+    gs_fixed_rect bbox;
+    gs_int_rect ibox;
+    uint width, raster, band_space;
+    uint height;
+    gs_log2_scale_point log2_scale;
+    gs_memory_t *mem;
+    gx_device_memory *mdev;
+
+    log2_alpha_bits = alpha_bits >> 1;	/* works for 1,2,4 */
+    log2_scale.x = log2_scale.y = log2_alpha_bits;
+    gx_path_bbox(pgs->path, &bbox);
+    ibox.p.x = fixed2int(bbox.p.x - extra_x) - 1;
+    ibox.p.y = fixed2int(bbox.p.y - extra_y) - 1;
+    ibox.q.x = fixed2int_ceiling(bbox.q.x + extra_x) + 1;
+    ibox.q.y = fixed2int_ceiling(bbox.q.y + extra_y) + 1;
+    width = (ibox.q.x - ibox.p.x) << log2_scale.x;
+    raster = bitmap_raster(width);
+    band_space = raster << log2_scale.y;
+    height = (abuf_nominal / band_space) << log2_scale.y;
+    if (height == 0)
+	height = 1 << log2_scale.y;
+    mem = pgs->memory;
+    mdev = gs_alloc_struct(mem, gx_device_memory, &st_device_memory,
+			   "alpha_buffer_init");
+    if (mdev == 0)
+	return 0;		/* if no room, don't buffer */
+    gs_make_mem_abuf_device(mdev, mem, dev, &log2_scale,
+			    alpha_bits, ibox.p.x << log2_scale.x);
+    mdev->width = width;
+    mdev->height = height;
+    mdev->bitmap_memory = mem;
+    if ((*dev_proc(mdev, open_device)) ((gx_device *) mdev) < 0) {
+	/* No room for bits, punt. */
+	gs_free_object(mem, mdev, "alpha_buffer_init");
+	return 0;
+    }
+    gx_set_device_only(pgs, (gx_device *) mdev);
+    scale_paths(pgs, log2_scale.x, log2_scale.y, true);
+    return 1;
+}
+
+/* Release an alpha buffer. */
+private void
+alpha_buffer_release(gs_state * pgs, bool newpath)
+{
+    gx_device_memory *mdev =
+    (gx_device_memory *) gs_currentdevice_inline(pgs);
+
+    (*dev_proc(mdev, close_device)) ((gx_device *) mdev);
+    scale_paths(pgs, -mdev->log2_scale.x, -mdev->log2_scale.y,
+		!(newpath && !gx_path_is_shared(pgs->path)));
+    /* Reference counting will free mdev. */
+    gx_set_device_only(pgs, mdev->target);
+}
+
+/* Fill the current path using a specified rule. */
+private int
+fill_with_rule(gs_state * pgs, int rule)
+{
+    int code;
+
+    /* If we're inside a charpath, just merge the current path */
+    /* into the parent's path. */
+    if (pgs->in_charpath)
+	code = gx_path_add_char_path(pgs->show_gstate->path, pgs->path,
+				     pgs->in_charpath);
+    else {
+	int abits, acode;
+
+	gx_set_dev_color(pgs);
+	code = gs_state_color_load(pgs);
+	if (code < 0)
+	    return code;
+	abits = alpha_buffer_bits(pgs);
+	if (abits > 1) {
+	    acode = alpha_buffer_init(pgs, pgs->fill_adjust.x,
+				      pgs->fill_adjust.y, abits);
+	    if (acode < 0)
+		return acode;
+	} else
+	    acode = 0;
+	code = gx_fill_path(pgs->path, pgs->dev_color, pgs, rule,
+			    pgs->fill_adjust.x, pgs->fill_adjust.y);
+	if (acode > 0)
+	    alpha_buffer_release(pgs, code >= 0);
+	if (code >= 0)
+	    gs_newpath(pgs);
+
+    }
+    return code;
+}
+/* Fill using the winding number rule */
+int
+gs_fill(gs_state * pgs)
+{
+    return fill_with_rule(pgs, gx_rule_winding_number);
+}
+/* Fill using the even/odd rule */
+int
+gs_eofill(gs_state * pgs)
+{
+    return fill_with_rule(pgs, gx_rule_even_odd);
+}
+
+/* Stroke the current path */
+int
+gs_stroke(gs_state * pgs)
+{
+    int code;
+
+    /*
+     * If we're inside a charpath, just merge the current path
+     * into the parent's path.
+     */
+    if (pgs->in_charpath) {
+	if (pgs->in_charpath == cpm_true_charpath) {
+	    /*
+	     * A stroke inside a true charpath should do the
+	     * equivalent of strokepath.
+	     */
+	    code = gs_strokepath(pgs);
+	    if (code < 0)
+		return code;
+	}
+	code = gx_path_add_char_path(pgs->show_gstate->path, pgs->path,
+				     pgs->in_charpath);
+    } else {
+	int abits, acode;
+	float orig_width;
+
+	gx_set_dev_color(pgs);
+	code = gs_state_color_load(pgs);
+	if (code < 0)
+	    return code;
+	abits = alpha_buffer_bits(pgs);
+	if (abits > 1) {
+	    /*
+	     * Expand the bounding box by the line width.
+	     * This is expensive to compute, so we only do it
+	     * if we know we're going to buffer.
+	     */
+	    float xxyy = fabs(pgs->ctm.xx) + fabs(pgs->ctm.yy);
+	    float xyyx = fabs(pgs->ctm.xy) + fabs(pgs->ctm.yx);
+	    float scale = 1 << (abits / 2);
+	    float new_width =
+	    (orig_width = gs_currentlinewidth(pgs)) * scale;
+	    fixed extra_adjust =
+	    float2fixed(max(xxyy, xyyx) * new_width / 2);
+	    gx_path spath;
+
+	    /* Scale up the line width and dash pattern. */
+	    if (extra_adjust < fixed_1)
+		extra_adjust = fixed_1;
+	    acode = alpha_buffer_init(pgs,
+				      pgs->fill_adjust.x + extra_adjust,
+				      pgs->fill_adjust.y + extra_adjust,
+				      abits);
+	    if (acode < 0)
+		return acode;
+	    gs_setlinewidth(pgs, new_width);
+	    scale_dash_pattern(pgs, scale);
+	    /*
+	     * The alpha-buffer device requires that we fill the
+	     * entire path as a single unit.
+	     */
+	    gx_path_init_local(&spath, pgs->memory);
+	    code = gx_stroke_add(pgs->path, &spath, pgs);
+	    gs_setlinewidth(pgs, orig_width);
+	    scale_dash_pattern(pgs, 1.0 / scale);
+	    if (code >= 0)
+		code = gx_fill_path(&spath, pgs->dev_color, pgs,
+				    gx_rule_winding_number,
+				    pgs->fill_adjust.x,
+				    pgs->fill_adjust.y);
+	    gx_path_free(&spath, "gs_stroke");
+	    if (acode > 0)
+		alpha_buffer_release(pgs, code >= 0);
+	} else
+	    code = gx_stroke_fill(pgs->path, pgs);
+	if (code >= 0)
+	    gs_newpath(pgs);
+    }
+    return code;
+}
+
+/* Compute the stroked outline of the current path */
+int
+gs_strokepath(gs_state * pgs)
+{
+    gx_path spath;
+    int code;
+
+    gx_path_init_local(&spath, pgs->memory);
+    code = gx_stroke_add(pgs->path, &spath, pgs);
+    if (code < 0) {
+	gx_path_free(&spath, "gs_strokepath");
+	return code;
+    }
+    return gx_path_assign_free(pgs->path, &spath);
+}
diff --git a/pstoraster/gspaint.h b/pstoraster/gspaint.h
new file mode 100644
index 000000000..e7c6df2c1
--- /dev/null
+++ b/pstoraster/gspaint.h
@@ -0,0 +1,38 @@
+/* Copyright (C) 1989, 1992, 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsstate.h */
+
+#ifndef gspaint_INCLUDED
+#  define gspaint_INCLUDED
+
+/* Painting */
+int gs_erasepage(P1(gs_state *)), gs_fillpage(P1(gs_state *)), gs_fill(P1(gs_state *)),
+    gs_eofill(P1(gs_state *)), gs_stroke(P1(gs_state *));
+
+/* Image tracing */
+int gs_imagepath(P4(gs_state *, int, int, const byte *));
+
+#endif /* gspaint_INCLUDED */
diff --git a/pstoraster/gsparam.c b/pstoraster/gsparam.c
new file mode 100644
index 000000000..6631f9651
--- /dev/null
+++ b/pstoraster/gsparam.c
@@ -0,0 +1,382 @@
+/* Copyright (C) 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Support for parameter lists */
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsparam.h"
+#include "gsstruct.h"
+
+/* Reset a gs_param_key_t enumerator to its initial state */
+void
+param_init_enumerator(gs_param_enumerator_t * enumerator)
+{
+    memset(enumerator, 0, sizeof(*enumerator));
+}
+
+/* Transfer a collection of parameters. */
+private const byte xfer_item_sizes[] = {
+    GS_PARAM_TYPE_SIZES(0)
+};
+int
+gs_param_read_items(gs_param_list * plist, void *obj,
+		    const gs_param_item_t * items)
+{
+    const gs_param_item_t *pi;
+    int ecode = 0;
+
+    for (pi = items; pi->key != 0; ++pi) {
+	const char *key = pi->key;
+	void *pvalue = (void *)((char *)obj + pi->offset);
+	gs_param_typed_value typed;
+	int code;
+
+	typed.type = pi->type;
+	code = param_read_requested_typed(plist, key, &typed);
+	switch (code) {
+	    default:		/* < 0 */
+		ecode = code;
+	    case 1:
+		break;
+	    case 0:
+		if (typed.type != pi->type)	/* shouldn't happen! */
+		    ecode = gs_note_error(gs_error_typecheck);
+		else
+		    memcpy(pvalue, &typed.value, xfer_item_sizes[pi->type]);
+	}
+    }
+    return ecode;
+}
+int
+gs_param_write_items(gs_param_list * plist, const void *obj,
+		     const void *default_obj, const gs_param_item_t * items)
+{
+    const gs_param_item_t *pi;
+    int ecode = 0;
+
+    for (pi = items; pi->key != 0; ++pi) {
+	const char *key = pi->key;
+	const void *pvalue = (const void *)((const char *)obj + pi->offset);
+	int size = xfer_item_sizes[pi->type];
+	gs_param_typed_value typed;
+	int code;
+
+	if (default_obj != 0 &&
+	    !memcmp((const void *)((const char *)default_obj + pi->offset),
+		    pvalue, size)
+	    )
+	    continue;
+	memcpy(&typed.value, pvalue, size);
+	typed.type = pi->type;
+	code = (*plist->procs->xmit_typed) (plist, key, &typed);
+	if (code < 0)
+	    ecode = code;
+    }
+    return ecode;
+}
+
+/* Read a value, with coercion if requested, needed, and possible. */
+/* If mem != 0, we can coerce int arrays to float arrays. */
+int
+param_coerce_typed(gs_param_typed_value * pvalue, gs_param_type req_type,
+		   gs_memory_t * mem)
+{
+    if (req_type == gs_param_type_any || pvalue->type == req_type)
+	return 0;
+    /*
+     * Look for coercion opportunities.  It would be wonderful if we
+     * could convert int/float arrays and name/string arrays, but
+     * right now we can't.  However, a 0-length heterogenous array
+     * will satisfy a request for any specific type.
+     */
+    switch (pvalue->type /* actual type */ ) {
+	case gs_param_type_int:
+	    switch (req_type) {
+		case gs_param_type_long:
+		    pvalue->value.l = pvalue->value.i;
+		    goto ok;
+		case gs_param_type_float:
+		    pvalue->value.f = (float)pvalue->value.l;
+		    goto ok;
+		default:
+		    break;
+	    }
+	    break;
+	case gs_param_type_long:
+	    switch (req_type) {
+		case gs_param_type_int:
+#if arch_sizeof_int < arch_sizeof_long
+		    if (pvalue->value.l != (int)pvalue->value.l)
+			return_error(gs_error_rangecheck);
+#endif
+		    pvalue->value.i = (int)pvalue->value.l;
+		    goto ok;
+		case gs_param_type_float:
+		    pvalue->value.f = (float)pvalue->value.l;
+		    goto ok;
+		default:
+		    break;
+	    }
+	    break;
+	case gs_param_type_string:
+	    if (req_type == gs_param_type_name)
+		goto ok;
+	    break;
+	case gs_param_type_name:
+	    if (req_type == gs_param_type_string)
+		goto ok;
+	    break;
+	case gs_param_type_int_array:
+	    switch (req_type) {
+		case gs_param_type_float_array:{
+			uint size = pvalue->value.ia.size;
+			float *fv;
+			uint i;
+
+			if (mem == 0)
+			    break;
+			fv = (float *)gs_alloc_byte_array(mem, size, sizeof(float),
+						"int array => float array");
+
+			if (fv == 0)
+			    return_error(gs_error_VMerror);
+			for (i = 0; i < size; ++i)
+			    fv[i] = pvalue->value.ia.data[i];
+			pvalue->value.fa.data = fv;
+			pvalue->value.fa.persistent = false;
+			goto ok;
+		    }
+		default:
+		    break;
+	    }
+	    break;
+	case gs_param_type_string_array:
+	    if (req_type == gs_param_type_name_array)
+		goto ok;
+	    break;
+	case gs_param_type_name_array:
+	    if (req_type == gs_param_type_string_array)
+		goto ok;
+	    break;
+	case gs_param_type_array:
+	    if (pvalue->value.d.size == 0 &&
+		(req_type == gs_param_type_int_array ||
+		 req_type == gs_param_type_float_array ||
+		 req_type == gs_param_type_string_array ||
+		 req_type == gs_param_type_name_array)
+		)
+		goto ok;
+	    break;
+	default:
+	    break;
+    }
+    return_error(gs_error_typecheck);
+  ok:pvalue->type = req_type;
+    return 0;
+}
+int
+param_read_requested_typed(gs_param_list * plist, gs_param_name pkey,
+			   gs_param_typed_value * pvalue)
+{
+    gs_param_type req_type = pvalue->type;
+    int code = (*plist->procs->xmit_typed) (plist, pkey, pvalue);
+
+    if (code != 0)
+	return code;
+    return param_coerce_typed(pvalue, req_type, plist->memory);
+}
+
+
+/* ---------------- Fixed-type reading procedures ---------------- */
+
+#define RETURN_READ_TYPED(alt, ptype)\
+  gs_param_typed_value typed;\
+  int code;\
+\
+  typed.type = ptype;\
+  code = param_read_requested_typed(plist, pkey, &typed);\
+  if ( code == 0 )\
+    *pvalue = typed.value.alt;\
+  return code
+
+int
+param_read_null(gs_param_list * plist, gs_param_name pkey)
+{
+    gs_param_typed_value typed;
+
+    typed.type = gs_param_type_null;
+    return param_read_requested_typed(plist, pkey, &typed);
+}
+int
+param_read_bool(gs_param_list * plist, gs_param_name pkey, bool * pvalue)
+{
+    RETURN_READ_TYPED(b, gs_param_type_bool);
+}
+int
+param_read_int(gs_param_list * plist, gs_param_name pkey, int *pvalue)
+{
+    RETURN_READ_TYPED(i, gs_param_type_int);
+}
+int
+param_read_long(gs_param_list * plist, gs_param_name pkey, long *pvalue)
+{
+    RETURN_READ_TYPED(l, gs_param_type_long);
+}
+int
+param_read_float(gs_param_list * plist, gs_param_name pkey, float *pvalue)
+{
+    RETURN_READ_TYPED(f, gs_param_type_float);
+}
+int
+param_read_string(gs_param_list * plist, gs_param_name pkey,
+		  gs_param_string * pvalue)
+{
+    RETURN_READ_TYPED(s, gs_param_type_string);
+}
+int
+param_read_name(gs_param_list * plist, gs_param_name pkey,
+		gs_param_string * pvalue)
+{
+    RETURN_READ_TYPED(n, gs_param_type_string);
+}
+int
+param_read_int_array(gs_param_list * plist, gs_param_name pkey,
+		     gs_param_int_array * pvalue)
+{
+    RETURN_READ_TYPED(ia, gs_param_type_int_array);
+}
+int
+param_read_float_array(gs_param_list * plist, gs_param_name pkey,
+		       gs_param_float_array * pvalue)
+{
+    RETURN_READ_TYPED(fa, gs_param_type_float_array);
+}
+int
+param_read_string_array(gs_param_list * plist, gs_param_name pkey,
+			gs_param_string_array * pvalue)
+{
+    RETURN_READ_TYPED(sa, gs_param_type_string_array);
+}
+int
+param_read_name_array(gs_param_list * plist, gs_param_name pkey,
+		      gs_param_string_array * pvalue)
+{
+    RETURN_READ_TYPED(na, gs_param_type_name_array);
+}
+
+#undef RETURN_READ_TYPED
+
+/* ---------------- Default writing procedures ---------------- */
+
+#define RETURN_WRITE_TYPED(alt, ptype)\
+  gs_param_typed_value typed;\
+\
+  typed.value.alt = *pvalue;\
+  typed.type = ptype;\
+  return param_write_typed(plist, pkey, &typed)
+
+int
+param_write_null(gs_param_list * plist, gs_param_name pkey)
+{
+    gs_param_typed_value typed;
+
+    typed.type = gs_param_type_null;
+    return param_write_typed(plist, pkey, &typed);
+}
+int
+param_write_bool(gs_param_list * plist, gs_param_name pkey, const bool * pvalue)
+{
+    RETURN_WRITE_TYPED(b, gs_param_type_bool);
+}
+int
+param_write_int(gs_param_list * plist, gs_param_name pkey, const int *pvalue)
+{
+    RETURN_WRITE_TYPED(i, gs_param_type_int);
+}
+int
+param_write_long(gs_param_list * plist, gs_param_name pkey, const long *pvalue)
+{
+    RETURN_WRITE_TYPED(l, gs_param_type_long);
+}
+int
+param_write_float(gs_param_list * plist, gs_param_name pkey,
+		  const float *pvalue)
+{
+    RETURN_WRITE_TYPED(f, gs_param_type_float);
+}
+int
+param_write_string(gs_param_list * plist, gs_param_name pkey,
+		   const gs_param_string * pvalue)
+{
+    RETURN_WRITE_TYPED(s, gs_param_type_string);
+}
+int
+param_write_name(gs_param_list * plist, gs_param_name pkey,
+		 const gs_param_string * pvalue)
+{
+    RETURN_WRITE_TYPED(n, gs_param_type_string);
+}
+int
+param_write_int_array(gs_param_list * plist, gs_param_name pkey,
+		      const gs_param_int_array * pvalue)
+{
+    RETURN_WRITE_TYPED(ia, gs_param_type_int_array);
+}
+int
+param_write_float_array(gs_param_list * plist, gs_param_name pkey,
+			const gs_param_float_array * pvalue)
+{
+    RETURN_WRITE_TYPED(fa, gs_param_type_float_array);
+}
+int
+param_write_string_array(gs_param_list * plist, gs_param_name pkey,
+			 const gs_param_string_array * pvalue)
+{
+    RETURN_WRITE_TYPED(sa, gs_param_type_string_array);
+}
+int
+param_write_name_array(gs_param_list * plist, gs_param_name pkey,
+		       const gs_param_string_array * pvalue)
+{
+    RETURN_WRITE_TYPED(na, gs_param_type_name_array);
+}
+
+#undef RETURN_WRITE_TYPED
+
+/* ---------------- Default request implementation ---------------- */
+
+int
+gs_param_request_default(gs_param_list * plist, gs_param_name pkey)
+{
+    return 0;
+}
+
+int
+gs_param_requested_default(const gs_param_list * plist, gs_param_name pkey)
+{
+    return -1;			/* requested by default */
+}
diff --git a/pstoraster/gsparam.h b/pstoraster/gsparam.h
new file mode 100644
index 000000000..6b58e7f8a
--- /dev/null
+++ b/pstoraster/gsparam.h
@@ -0,0 +1,505 @@
+/* Copyright (C) 1993, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to parameter dictionaries */
+
+#ifndef gsparam_INCLUDED
+#  define gsparam_INCLUDED
+
+/*
+ * Several interfaces use parameter dictionaries to communicate sets of
+ * (key, value) pairs between a client and an object with complex state.
+ * (Several of these correspond directly to similar interfaces in the
+ * PostScript language.) This file defines the API for parameter dictionaries.
+ */
+
+/* ---------------- Generic interfaces ---------------- */
+
+/* Define the abstract type for a parameter list. */
+#ifndef gs_param_list_DEFINED
+#  define gs_param_list_DEFINED
+typedef struct gs_param_list_s gs_param_list;
+
+#endif
+
+/* Define the type for a parameter key name. */
+typedef const char *gs_param_name;
+
+/*
+ * Parameter values fall into three categories:
+ *      - Scalar (null, Boolean, int, long, float);
+ *      - Homogenous collection (string/name, int array, float array,
+ *      string/name array);
+ *      - Heterogenous collection (dictionary, int-keyed dictionary, array).
+ * Each category has its own representation and memory management issues.
+ */
+typedef enum {
+    /* Scalar */
+    gs_param_type_null, gs_param_type_bool, gs_param_type_int,
+    gs_param_type_long, gs_param_type_float,
+    /* Homogenous collection */
+    gs_param_type_string, gs_param_type_name,
+    gs_param_type_int_array, gs_param_type_float_array,
+    gs_param_type_string_array, gs_param_type_name_array,
+    /* Heterogenous collection */
+    gs_param_type_dict, gs_param_type_dict_int_keys, gs_param_type_array
+} gs_param_type;
+
+/* Define a "don't care" type for reading typed values. */
+#define gs_param_type_any ((gs_param_type)-1)
+
+/*
+ * Define the structures for homogenous collection values
+ * (string/name, integer array, or floating point array).
+ * The size is the number of elements, not the size in bytes.
+ * A value is persistent if it is defined as static const,
+ * or if it is allocated in garbage-collectable space and never freed.
+ */
+
+#define _param_array_struct(sname,etype)\
+  struct sname { const etype *data; uint size; bool persistent; }
+typedef _param_array_struct(gs_param_string_s, byte) gs_param_string;
+typedef _param_array_struct(gs_param_int_array_s, int) gs_param_int_array;
+typedef _param_array_struct(gs_param_float_array_s, float) gs_param_float_array;
+typedef _param_array_struct(gs_param_string_array_s, gs_param_string) gs_param_string_array;
+
+#define param_string_from_string(ps, str)\
+  (ps).data = (const byte *)(str), (ps).size = strlen((const char *)(ps).data),\
+  (ps).persistent = true
+
+/*
+ * Define the structure for heterogenous collection values (dictionaries
+ * and heterogenous arrays).
+ */
+typedef struct gs_param_collection_s {
+    gs_param_list *list;
+    uint size;
+} gs_param_collection;
+typedef gs_param_collection gs_param_dict;
+typedef gs_param_collection gs_param_array;
+
+/*
+ * Define the sizes of the various parameter value types, indexed by type.
+ */
+#define GS_PARAM_TYPE_SIZES(dict_size)\
+  0, sizeof(bool), sizeof(int), sizeof(long), sizeof(float),\
+  sizeof(gs_param_string), sizeof(gs_param_string),\
+  sizeof(gs_param_int_array), sizeof(gs_param_float_array),\
+  sizeof(gs_param_string_array), sizeof(gs_param_string_array),\
+  (dict_size), (dict_size), (dict_size)
+/*
+ * Define the sizes of the underlying data types contained in or pointed
+ * to by the various value types.
+ */
+#define GS_PARAM_TYPE_BASE_SIZES(dict_elt_size)\
+  0, sizeof(bool), sizeof(int), sizeof(long), sizeof(float),\
+  1, 1, sizeof(int), sizeof(float),\
+  sizeof(gs_param_string), sizeof(gs_param_string),\
+  (dict_elt_size), (dict_elt_size), (dict_elt_size)
+
+/* Define tables with 0 for the sizes of the heterogenous collections. */
+extern const byte gs_param_type_sizes[];
+extern const byte gs_param_type_base_sizes[];
+
+/* Define a union capable of holding any parameter value. */
+#define GS_PARAM_VALUE_UNION(dict_type)\
+	bool b;\
+	int i;\
+	long l;\
+	float f;\
+	gs_param_string s;\
+	gs_param_string n;\
+	gs_param_int_array ia;\
+	gs_param_float_array fa;\
+	gs_param_string_array sa;\
+	gs_param_string_array na;\
+	dict_type d
+typedef union gs_param_value_s {
+    GS_PARAM_VALUE_UNION(gs_param_collection);
+} gs_param_value;
+
+/*
+ * Define a structure containing a dynamically typed value (a value along
+ * with its type).  Since parameter lists are transient, we don't bother
+ * to create a GC descriptor for this.
+ */
+typedef struct gs_param_typed_value_s {
+    gs_param_value value;
+    gs_param_type type;
+} gs_param_typed_value;
+
+/*
+ * Define the representation alternatives for heterogenous collections.
+ * _any must be 0, for Boolean testing.
+ */
+typedef enum {
+
+    /* Create or accept a general dictionary. */
+
+    gs_param_collection_dict_any = 0,
+
+    /* Create a dictionary with integer string keys ("0", "1", ...); */
+    /* accept a dictionary with integer string keys, or a heterogenous */
+    /* array. */
+
+    gs_param_collection_dict_int_keys = 1,
+
+    /* Create an array if possible, otherwise a dictionary with integer */
+    /* string keys; accept the same types as dict_int_keys. */
+
+    gs_param_collection_array = 2
+
+} gs_param_collection_type_t;
+
+/*
+ * Define the 'policies' for handling out-of-range parameter values.
+ * This is not an enum, because some parameters may recognize other values.
+ */
+#define gs_param_policy_signal_error 0
+#define gs_param_policy_ignore 1
+#define gs_param_policy_consult_user 2
+
+/*
+ * Define an enumerator used to iterate through the keys in a list.
+ *
+ * All the members of the union must be used such that memset(0) entire
+ * union means 'beginning of enumeration'.
+ */
+typedef union gs_param_enumerator_s {
+    int intval;
+    long longval;
+    void *pvoid;
+    char *pchar;
+} gs_param_enumerator_t;
+typedef gs_const_string gs_param_key_t;
+
+/*
+ * Define the object procedures.  Note that the same interface is used
+ * both for getting and for setting parameter values.  (This is a bit
+ * of a hack, and we might change it someday.)  The procedures return
+ * as follows:
+ *      - 'reading' procedures ('put' operations from the client's viewpoint)
+ * return 1 for a missing parameter, 0 for a valid parameter, <0 on error.
+ *      - 'writing' procedures ('get' operations from the client's viewpoint)
+ * return 0 or 1 if successful, <0 on error.
+ *
+ * A lazy implementation can use the default procedures for scalar and
+ * homogenous collection types: these just called xmit_typed.
+ */
+
+/*
+ * Transmitting variable-size objects requires some extra care.
+ *      - When writing an array, string, name, or dictionary, the
+ * implementation (not the client) sets all the fields of the value.
+ *      - When reading an array, string, or name, the client must set
+ * all the fields of the value.
+ *      - When reading a dictionary, the client must set the size field
+ * before calling begin_write_dict; the implementation of begin_write_dict
+ * allocates the list.
+ */
+
+/*
+ * Setting parameters must use a "two-phase commit" policy.  Specifically,
+ * any put_params procedure must observe the following discipline:
+
+ 1. For each parameter known to the device, ask the parameter list if
+ there is a new value, and if so, make all necessary validity checks.  If any
+ check fails, call param_signal_error for that parameter, but continue to
+ check further parameters.  Normally, this step should not alter the state of
+ the device; however, if the device allows changing any parameters that are
+ read-only by default (for example, BitsPerPixel or ProcessColorModel), or if
+ it replaces the default put_params behavior for any parameter (for example,
+ if it handles MediaSize or Resolution itself to forestall the normal closing
+ of the device when these are set), step 1 of put_params must change the
+ parameters in the device state, and step 2 must undo the changes if
+ returning an error.
+
+ 2. Call the "superclass" put_params routine.  For printer devices,
+ this is gdev_prn_put_params; for other devices, it is gx_default_put_params.
+ Note that this must be done even if errors were detected in step 1.  If this
+ routine returns an error code, or if step 1 detected an error, undo any
+ changes that step 1 made in the device state, and return the error code.
+
+ 3. Install the new parameter values in the device.  If necessary,
+ close the device first; a higher-level routine (gs_putdeviceparams) will
+ reopen the device if necessary.
+
+ */
+
+typedef struct gs_param_list_procs_s {
+
+    /* Transmit a typed value. */
+    /*
+     * Note that read/write_typed do a begin_read/write_collection
+     * if the type is one of the heterogenous collection types.
+     * Note also that even for reading, the caller must set pvalue->type
+     * to the desired type or to gs_param_type_any.
+     */
+
+#define param_proc_xmit_typed(proc)\
+    int proc(P3(gs_param_list *, gs_param_name, gs_param_typed_value *))
+	 param_proc_xmit_typed((*xmit_typed));
+	 /* See below for param_read_[requested_]typed */
+#define param_write_typed(plist, pkey, pvalue)\
+	 (*(plist)->procs->xmit_typed)(plist, pkey, pvalue)
+
+	 /* Start transmitting a dictionary or heterogenous value. */
+
+#define param_proc_begin_xmit_collection(proc)\
+	 int proc(P4(gs_param_list *, gs_param_name, gs_param_dict *,\
+		     gs_param_collection_type_t))
+	 param_proc_begin_xmit_collection((*begin_xmit_collection));
+#define param_begin_read_collection(plist, pkey, pvalue, coll_type)\
+	 (*(plist)->procs->begin_xmit_collection)(plist, pkey, pvalue, coll_type)
+#define param_begin_read_dict(l, k, v, int_keys)\
+	 param_begin_read_collection(l, k, v,\
+				     (int_keys ? gs_param_collection_dict_int_keys :\
+				      gs_param_collection_dict_any))
+#define param_begin_write_collection(plist, pkey, pvalue, coll_type)\
+	 (*(plist)->procs->begin_xmit_collection)(plist, pkey, pvalue, coll_type)
+#define param_begin_write_dict(l, k, v, int_keys)\
+	 param_begin_write_collection(l, k, v,\
+				      (int_keys ? gs_param_collection_dict_int_keys :\
+				       gs_param_collection_dict_any))
+
+	 /* Finish transmitting a collection value. */
+
+#define param_proc_end_xmit_collection(proc)\
+	 int proc(P3(gs_param_list *, gs_param_name, gs_param_dict *))
+	 param_proc_end_xmit_collection((*end_xmit_collection));
+#define param_end_read_collection(plist, pkey, pvalue)\
+	 (*(plist)->procs->end_xmit_collection)(plist, pkey, pvalue)
+#define param_end_read_dict(l, k, v) param_end_read_collection(l, k, v)
+#define param_end_write_collection(plist, pkey, pvalue)\
+	 (*(plist)->procs->end_xmit_collection)(plist, pkey, pvalue)
+#define param_end_write_dict(l, k, v) param_end_write_collection(l, k, v)
+
+	 /* 
+	  * Get the next key in sequence. 
+	  * (Only used when reading.)
+	  * Use param_init_enumerator(...) to reset to first key.
+	  */
+
+#define param_proc_next_key(proc)\
+	 int proc(P3(gs_param_list *, gs_param_enumerator_t *, gs_param_key_t *))
+	 param_proc_next_key((*next_key));
+#define param_get_next_key(plist, penum, pkey)\
+	 (*(plist)->procs->next_key)(plist, penum, pkey)
+
+	 /*
+	  * Request a specific parameter. (Only used when writing, before
+	  * writing any values.)  If no specific parameters are requested,
+	  * param_requested always returns -1; if specific parameters
+	  * are requested, param_requested will return 1 for those,
+	  * and may return either 0 or 1 for others.
+	  */
+
+#define param_proc_request(proc)\
+  int proc(P2(gs_param_list *, gs_param_name))
+	 param_proc_request((*request));
+
+#define param_request(plist, pkey)\
+  ((plist)->procs->request(plist, pkey))
+
+	 /*
+	  * Determine whether a given key has been requested.  (Only used
+	  * when writing.)  A return value of -1 means that no specific
+	  * parameters have been requested; 0 means specific parameters have
+	  * been requested, but not this one; 1 means this parameter has
+	  * been requested specifically.
+	  */
+
+#define param_proc_requested(proc)\
+	 int proc(P2(const gs_param_list *, gs_param_name))
+	 param_proc_requested((*requested));
+#define param_requested(plist, pkey)\
+	 (*(plist)->procs->requested)(plist, pkey)
+
+	 /* Get the 'policy' associated with an out-of-range parameter value. */
+	 /* (Only used when reading.) */
+
+#define param_proc_get_policy(proc)\
+	 int proc(P2(gs_param_list *, gs_param_name))
+	 param_proc_get_policy((*get_policy));
+#define param_get_policy(plist, pkey)\
+	 (*(plist)->procs->get_policy)(plist, pkey)
+
+	 /*
+	  * Signal an error.  (Only used when reading.)
+	  * The procedure may return a different error code,
+	  * or may return 0 indicating that the error is to be ignored.
+	  */
+
+#define param_proc_signal_error(proc)\
+	 int proc(P3(gs_param_list *, gs_param_name, int))
+	 param_proc_signal_error((*signal_error));
+#define param_signal_error(plist, pkey, code)\
+	 (*(plist)->procs->signal_error)(plist, pkey, code)
+#define param_return_error(plist, pkey, code)\
+	 return_error(param_signal_error(plist, pkey, code))
+
+	 /*
+	  * "Commit" a set of changes.  (Only used when reading.)
+	  * This is called at the end of the first phase.
+	  */
+
+#define param_proc_commit(proc)\
+	 int proc(P1(gs_param_list *))
+	 param_proc_commit((*commit));
+#define param_commit(plist)\
+	 (*(plist)->procs->commit)(plist)
+
+} gs_param_list_procs;
+
+/* Transmit typed parameters. */
+int param_read_requested_typed(P3(gs_param_list *, gs_param_name,
+				  gs_param_typed_value *));
+
+#define param_read_typed(plist, pkey, pvalue)\
+  ((pvalue)->type = gs_param_type_any,\
+   param_read_requested_typed(plist, pkey, pvalue))
+
+/* Transmit parameters of specific types. */
+int param_read_null(P2(gs_param_list *, gs_param_name));
+int param_write_null(P2(gs_param_list *, gs_param_name));
+int param_read_bool(P3(gs_param_list *, gs_param_name, bool *));
+int param_write_bool(P3(gs_param_list *, gs_param_name, const bool *));
+int param_read_int(P3(gs_param_list *, gs_param_name, int *));
+int param_write_int(P3(gs_param_list *, gs_param_name, const int *));
+int param_read_long(P3(gs_param_list *, gs_param_name, long *));
+int param_write_long(P3(gs_param_list *, gs_param_name, const long *));
+int param_read_float(P3(gs_param_list *, gs_param_name, float *));
+int param_write_float(P3(gs_param_list *, gs_param_name, const float *));
+int param_read_string(P3(gs_param_list *, gs_param_name, gs_param_string *));
+int param_write_string(P3(gs_param_list *, gs_param_name,
+			  const gs_param_string *));
+int param_read_name(P3(gs_param_list *, gs_param_name, gs_param_string *));
+int param_write_name(P3(gs_param_list *, gs_param_name,
+			const gs_param_string *));
+int param_read_int_array(P3(gs_param_list *, gs_param_name,
+			    gs_param_int_array *));
+int param_write_int_array(P3(gs_param_list *, gs_param_name,
+			     const gs_param_int_array *));
+int param_read_float_array(P3(gs_param_list *, gs_param_name,
+			      gs_param_float_array *));
+int param_write_float_array(P3(gs_param_list *, gs_param_name,
+			       const gs_param_float_array *));
+int param_read_string_array(P3(gs_param_list *, gs_param_name,
+			       gs_param_string_array *));
+int param_write_string_array(P3(gs_param_list *, gs_param_name,
+				const gs_param_string_array *));
+int param_read_name_array(P3(gs_param_list *, gs_param_name,
+			     gs_param_string_array *));
+int param_write_name_array(P3(gs_param_list *, gs_param_name,
+			      const gs_param_string_array *));
+
+/* Define an abstract parameter dictionary.  Implementations are */
+/* concrete subclasses. */
+#define gs_param_list_common\
+	const gs_param_list_procs *procs;\
+	gs_memory_t *memory	/* for allocating coerced arrays */
+struct gs_param_list_s {
+    gs_param_list_common;
+};
+
+/* Initialize a parameter list key enumerator. */
+void param_init_enumerator(P1(gs_param_enumerator_t * penum));
+
+/*
+ * The following interface provides a convenient way to read and set
+ * collections of parameters of any type other than dictionaries.
+ */
+
+typedef struct gs_param_item_s {
+    const char *key;
+    byte /*gs_param_type */ type;
+    short offset;		/* offset of value in structure */
+} gs_param_item_t;
+#define gs_param_item_end { 0 }	/* list terminator */
+/*
+ * Transfer a collection of parameters.
+ * For param_write_items, if a parameter value is equal to the value in
+ * the optional default_obj, the item isn't transferred.
+ */
+int gs_param_read_items(P3(gs_param_list * plist, void *obj,
+			   const gs_param_item_t * items));
+int gs_param_write_items(P4(gs_param_list * plist, const void *obj,
+			    const void *default_obj,
+			    const gs_param_item_t * items));
+
+/* ---------------- Default implementation ---------------- */
+
+/*
+ * Provide default generic implementations of param_request and
+ * param_requested.
+ */
+param_proc_request(gs_param_request_default);  /* does nothing */
+param_proc_requested(gs_param_requested_default);  /* always returns true */
+
+/*
+ * Define a default implementation, intended to be usable easily
+ * from C code.  The intended usage pattern is:
+ gs_c_param_list list;
+ [... other code here ...]
+ gs_c_param_list_write(&list, mem);
+ [As many as needed:]
+ code = param_write_XXX(&list, "ParamName", &param_value);
+ [Check code for <0]
+ gs_c_param_list_read(&list);
+ code = gs_putdeviceparams(dev, &list);
+ gs_c_param_list_release(&list);
+ [Check code for <0]
+ if ( code == 1 )
+ { code = (*dev_proc(dev, open_device))(dev);
+ [Check code for <0]
+ }
+ */
+
+typedef struct gs_c_param_s gs_c_param;	/* opaque here */
+typedef struct gs_c_param_list_s {
+    gs_param_list_common;
+    gs_c_param *head;
+    uint count;
+    bool any_requested;
+    gs_param_collection_type_t coll_type;
+} gs_c_param_list;
+#define private_st_c_param_list()	/* in gsparam.c */\
+  gs_private_st_ptrs1(st_c_param_list, gs_c_param_list, "c_param_list",\
+    c_param_list_enum_ptrs, c_param_list_reloc_ptrs, head)
+
+/* Clients normally allocate the gs_c_param_list on the stack. */
+void gs_c_param_list_write(P2(gs_c_param_list *, gs_memory_t *));
+void gs_c_param_list_read(P1(gs_c_param_list *));	/* switch to reading */
+void gs_c_param_list_release(P1(gs_c_param_list *));
+
+/*
+ * Internal procedure to read a value, with coercion if requested, needed,
+ * and possible.  If mem != 0, we can coerce int arrays to float arrays, and
+ * possibly do other coercions later.
+ */
+int param_coerce_typed(P3(gs_param_typed_value * pvalue,
+			  gs_param_type req_type, gs_memory_t * mem));
+
+#endif /* gsparam_INCLUDED */
diff --git a/pstoraster/gsparams.c b/pstoraster/gsparams.c
new file mode 100644
index 000000000..1c58c5a92
--- /dev/null
+++ b/pstoraster/gsparams.c
@@ -0,0 +1,417 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic parameter list serializer & expander */
+
+/* Initial version 2/1/98 by John Desrosiers (soho@crl.com) */
+
+#include "gx.h"
+#include "memory_.h"
+#include "gserrors.h"
+#include "gsparams.h"
+
+/* ----------- Local Type Decl's ------------ */
+typedef struct {
+    byte *buf;			/* current buffer ptr */
+    byte *buf_end;		/* end of buffer */
+    unsigned total_sizeof;	/* current # bytes in buf */
+} WriteBuffer;
+
+/* ---------- Forward refs ----------- */
+private void
+     align_to(P2(
+		    const byte ** src,	/* pointer to align */
+		    unsigned alignment	/* alignment, must be power of 2 */
+	      ));
+private void
+     put_word(P2(
+		    unsigned source,	/* number to put to buffer */
+		    WriteBuffer * dest	/* destination descriptor */
+	      ));
+private void
+     put_bytes(P3(
+		     const byte * source,	/* bytes to put to buffer */
+		     unsigned source_sizeof,	/* # bytes to put */
+		     WriteBuffer * dest		/* destination descriptor */
+	       ));
+private void
+     put_alignment(P2(
+			 unsigned alignment,	/* alignment to match, must be power 2 */
+			 WriteBuffer * dest	/* destination descriptor */
+		   ));
+
+/* Get word compressed with put_word */
+private unsigned		/* decompressed word */
+         get_word(P1(
+			const byte ** src	/* UPDATES: ptr to src buf ptr */
+		  ));
+
+
+/* ------------ Serializer ------------ */
+/* Serialize the contents of a gs_param_list (including sub-dicts) */
+int				/* ret -ve err, else # bytes needed to represent param list, whether */
+
+/* or not it actually fit into buffer. List was successully */
+
+/* serialized only if if this # is <= supplied buf size. */
+gs_param_list_serialize(
+			   gs_param_list * list,	/* root of list to serialize */
+					/* list MUST BE IN READ MODE */
+			   byte * buf,	/* destination buffer (can be 0) */
+			   int buf_sizeof	/* # bytes available in buf (can be 0) */
+)
+{
+    int code = 0;
+    int temp_code;
+    gs_param_enumerator_t key_enum;
+    gs_param_key_t key;
+    WriteBuffer write_buf;
+
+    write_buf.buf = buf;
+    write_buf.buf_end = buf + (buf ? buf_sizeof : 0);
+    write_buf.total_sizeof = 0;
+    param_init_enumerator(&key_enum);
+
+    /* Each item is serialized as ("word" means compressed word):
+     *  word: key sizeof + 1, or 0 if end of list/dict
+     *  word: data type(gs_param_type_xxx)
+     *  byte[]: key, including trailing \0 
+     *  (if simple type)
+     *   byte[]: unpacked representation of data
+     *  (if simple array or string)
+     *   byte[]: unpacked mem image of gs_param_xxx_array structure
+     *   pad: to array alignment
+     *   byte[]: data associated with array contents
+     *  (if string/name array)
+     *   byte[]: unpacked mem image of gs_param_string_array structure
+     *   pad: to void *
+     *   { gs_param_string structure mem image;
+     *     data associated with string;
+     *   } for each string in array
+     *  (if dict/dict_int_keys)
+     *   word: # of entries in dict,
+     *   pad: to void *
+     *   dict entries follow immediately until end-of-dict
+     *
+     * NB that this format is designed to allow using an input buffer
+     * as the direct source of data when expanding a gs_c_param_list
+     */
+    /* Enumerate all the keys; use keys to get their typed values */
+    while ((code = param_get_next_key(list, &key_enum, &key)) == 0) {
+	int value_top_sizeof;
+	int value_base_sizeof;
+
+	/* Get next datum & put its type & key to buffer */
+	gs_param_typed_value value;
+	char string_key[256];
+
+	if (sizeof(string_key) < key.size + 1) {
+	    code = gs_note_error(gs_error_rangecheck);
+	    break;
+	}
+	memcpy(string_key, key.data, key.size);
+	string_key[key.size] = 0;
+	if ((code = param_read_typed(list, string_key, &value)) != 0) {
+	    code = code > 0 ? gs_note_error(gs_error_unknownerror) : code;
+	    break;
+	}
+	put_word((unsigned)key.size + 1, &write_buf);
+	put_word((unsigned)value.type, &write_buf);
+	put_bytes((byte *) string_key, key.size + 1, &write_buf);
+
+	/* Put value & its size to buffer */
+	value_top_sizeof = gs_param_type_sizes[value.type];
+	value_base_sizeof = gs_param_type_base_sizes[value.type];
+	switch (value.type) {
+	    case gs_param_type_null:
+	    case gs_param_type_bool:
+	    case gs_param_type_int:
+	    case gs_param_type_long:
+	    case gs_param_type_float:
+		put_bytes((byte *) & value.value, value_top_sizeof, &write_buf);
+		break;
+
+	    case gs_param_type_string:
+	    case gs_param_type_name:
+	    case gs_param_type_int_array:
+	    case gs_param_type_float_array:
+		put_bytes((byte *) & value.value, value_top_sizeof, &write_buf);
+		put_alignment(value_base_sizeof, &write_buf);
+		value_base_sizeof *= value.value.s.size;
+		put_bytes(value.value.s.data, value_base_sizeof, &write_buf);
+		break;
+
+	    case gs_param_type_string_array:
+	    case gs_param_type_name_array:
+		value_base_sizeof *= value.value.sa.size;
+		put_bytes((const byte *)&value.value, value_top_sizeof, &write_buf);
+		put_alignment(sizeof(void *), &write_buf);
+
+		put_bytes((const byte *)value.value.sa.data, value_base_sizeof,
+			  &write_buf);
+		{
+		    int str_count;
+		    const gs_param_string *sa;
+
+		    for (str_count = value.value.sa.size,
+			 sa = value.value.sa.data; str_count-- > 0; ++sa)
+			put_bytes(sa->data, sa->size, &write_buf);
+		}
+		break;
+
+	    case gs_param_type_dict:
+	    case gs_param_type_dict_int_keys:
+		put_word(value.value.d.size, &write_buf);
+		put_alignment(sizeof(void *), &write_buf);
+
+		{
+		    int bytes_written =
+		    gs_param_list_serialize(value.value.d.list,
+					    write_buf.buf,
+		     write_buf.buf ? write_buf.buf_end - write_buf.buf : 0);
+
+		    temp_code = param_end_read_dict(list,
+						    (const char *)key.data,
+						    &value.value.d);
+		    if (bytes_written < 0)
+			code = bytes_written;
+		    else {
+			code = temp_code;
+			if (bytes_written)
+			    put_bytes(write_buf.buf, bytes_written, &write_buf);
+		    }
+		}
+		break;
+
+	    default:
+		code = gs_note_error(gs_error_unknownerror);
+		break;
+	}
+	if (code < 0)
+	    break;
+    }
+
+    /* Write end marker, which is an (illegal) 0 key length */
+    if (code >= 0) {
+	put_word(0, &write_buf);
+	code = write_buf.total_sizeof;
+    }
+    return code;
+}
+
+
+/* ------------ Expander --------------- */
+/* Expand a buffer into a gs_param_list (including sub-dicts) */
+int				/* ret -ve err, +ve # of chars read from buffer */
+gs_param_list_unserialize(
+			     gs_param_list * list,	/* root of list to expand to */
+					/* list MUST BE IN WRITE MODE */
+			     const byte * buf	/* source buffer */
+)
+{
+    int code = 0;
+    const byte *orig_buf = buf;
+
+    do {
+	gs_param_typed_value typed;
+	gs_param_name key;
+	unsigned key_sizeof;
+	int value_top_sizeof;
+	int value_base_sizeof;
+	int temp_code;
+	gs_param_type type;
+
+	/* key length, 0 indicates end of data */
+	key_sizeof = get_word(&buf);
+	if (key_sizeof == 0)	/* end of data */
+	    break;
+
+	/* data type */
+	type = (gs_param_type) get_word(&buf);
+
+	/* key */
+	key = (gs_param_name) buf;
+	buf += key_sizeof;
+
+	/* Data values */
+	value_top_sizeof = gs_param_type_sizes[type];
+	value_base_sizeof = gs_param_type_base_sizes[type];
+	typed.type = type;
+	if (type != gs_param_type_dict && type != gs_param_type_dict_int_keys) {
+	    memcpy(&typed.value, buf, value_top_sizeof);
+	    buf += value_top_sizeof;
+	}
+	switch (type) {
+	    case gs_param_type_null:
+	    case gs_param_type_bool:
+	    case gs_param_type_int:
+	    case gs_param_type_long:
+	    case gs_param_type_float:
+		break;
+
+	    case gs_param_type_string:
+	    case gs_param_type_name:
+	    case gs_param_type_int_array:
+	    case gs_param_type_float_array:
+		align_to(&buf, value_base_sizeof);
+		typed.value.s.data = buf;
+		typed.value.s.persistent = false;
+		buf += typed.value.s.size * value_base_sizeof;
+		break;
+
+	    case gs_param_type_string_array:
+	    case gs_param_type_name_array:
+		align_to(&buf, sizeof(void *));
+
+		typed.value.sa.data = (const gs_param_string *)buf;
+		typed.value.sa.persistent = false;
+		buf += typed.value.s.size * value_base_sizeof;
+		{
+		    int str_count;
+		    gs_param_string *sa;
+
+		    for (str_count = typed.value.sa.size,
+			 sa = (gs_param_string *) typed.value.sa.data;
+			 str_count-- > 0; ++sa) {
+			sa->data = buf;
+			sa->persistent = false;
+			buf += sa->size;
+		    }
+		}
+		break;
+
+	    case gs_param_type_dict:
+	    case gs_param_type_dict_int_keys:
+		typed.value.d.size = get_word(&buf);
+		code = param_begin_write_dict
+		    (list, key, &typed.value.d, type == gs_param_type_dict_int_keys);
+		if (code < 0)
+		    break;
+		align_to(&buf, sizeof(void *));
+
+		code = gs_param_list_unserialize(typed.value.d.list, buf);
+		temp_code = param_end_write_dict(list, key, &typed.value.d);
+		if (code >= 0) {
+		    buf += code;
+		    code = temp_code;
+		}
+		break;
+
+	    default:
+		code = gs_note_error(gs_error_unknownerror);
+		break;
+	}
+	if (code < 0)
+	    break;
+	if (typed.type != gs_param_type_dict && typed.type != gs_param_type_dict_int_keys)
+	    code = param_write_typed(list, key, &typed);
+    }
+    while (code >= 0);
+
+    return code >= 0 ? buf - orig_buf : code;
+}
+
+
+/* ---------- Utility functions -------- */
+
+/* Align a byte pointer on the next Nth byte */
+private void
+align_to(
+	    const byte ** src,	/* pointer to align */
+	    unsigned alignment	/* alignment, must be power of 2 */
+)
+{
+    *src += -(int)alignment_mod(*src, alignment) & (alignment - 1);
+}
+
+/* Put compressed word repr to a buffer */
+private void
+put_word(
+	    unsigned source,	/* number to put to buffer */
+	    WriteBuffer * dest	/* destination descriptor */
+)
+{
+    do {
+	byte chunk = source & 0x7f;
+
+	if (source >= 0x80)
+	    chunk |= 0x80;
+	source >>= 7;
+	++dest->total_sizeof;
+	if (dest->buf && dest->buf < dest->buf_end)
+	    *dest->buf++ = chunk;
+    }
+    while (source != 0);
+}
+
+/* Put array of bytes to buffer */
+private void
+put_bytes(
+	     const byte * source,	/* bytes to put to buffer */
+	     unsigned source_sizeof,	/* # bytes to put */
+	     WriteBuffer * dest	/* destination descriptor */
+)
+{
+    dest->total_sizeof += source_sizeof;
+    if (dest->buf && dest->buf + source_sizeof <= dest->buf_end) {
+	if (dest->buf != source)
+	    memcpy(dest->buf, source, source_sizeof);
+	dest->buf += source_sizeof;
+    }
+}
+
+/* Pad destination out to req'd alignment w/zeros */
+private void
+put_alignment(
+		 unsigned alignment,	/* alignment to match, must be power 2 */
+		 WriteBuffer * dest	/* destination descriptor */
+)
+{
+    static const byte zero =
+    {0};
+
+    while ((dest->total_sizeof & (alignment - 1)) != 0)
+	put_bytes(&zero, 1, dest);
+}
+
+/* Get word compressed with put_word */
+private unsigned		/* decompressed word */
+get_word(
+	    const byte ** src	/* UPDATES: ptr to src buf ptr */
+)
+{
+    unsigned dest = 0;
+    byte chunk;
+    unsigned shift = 0;
+
+    do {
+	chunk = *(*src)++;
+	dest |= (chunk & 0x7f) << shift;
+	shift += 7;
+    }
+    while (chunk & 0x80);
+
+    return dest;
+}
diff --git a/pstoraster/gsparams.h b/pstoraster/gsparams.h
new file mode 100644
index 000000000..f655364e1
--- /dev/null
+++ b/pstoraster/gsparams.h
@@ -0,0 +1,77 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Serializer/expander for gs_parm_list's */
+
+#ifndef gsparams_INCLUDED
+#  define gsparams_INCLUDED
+
+/* Initial version 2/1/98 by John Desrosiers (soho@crl.com) */
+/* 8/8/98 L. Peter Deutsch (ghost@aladdin.com) Completely redesigned
+   to use stream rather than buffer API (but retained former API for
+   compatibility as well). */
+
+#include "stream.h"
+#include "gsparam.h"
+
+#if 0	/****************/
+
+/* ------ Future interface, implemented in gsparam2.c ------ */
+
+/*
+ * Serialize the contents of a gs_param_list, including sub-collections,
+ * onto a stream.  The list must be in READ mode.
+ */
+int gs_param_list_puts(P2(stream *dest, gs_param_list *list));
+
+/*
+ * Unserialize a parameter list, including sub-collections, from a stream.
+ * The list must be in WRITE mode.
+ */
+int gs_param_list_gets(P3(stream *src, gs_param_list *list, gs_memory_t *mem));
+
+#else	/****************/
+
+/* ------ Present interface, implemented in gsparams.c ------ */
+
+/*
+ * Serialize a parameter list into a buffer.  Return the actual number
+ * of bytes required to store the list, or a negative error code.
+ * The list was stored successfully iff the return value is positive and
+ * less than or equal to the buffer size.  Note that the buffer may be
+ * NULL, in which case nothing is stored (but the size is still returned).
+ */
+int gs_param_list_serialize(P3(gs_param_list *list, byte *buf, int buf_size));
+
+/*
+ * Unserialize a parameter list from a buffer.  Return the actual number
+ * of bytes occupied by the list, or a negative error code.  The buffer
+ * must be void * aligned.
+ */
+int gs_param_list_unserialize(P2(gs_param_list *list, const byte *buf));
+
+#endif	/****************/
+
+#endif /* gsparams_INCLUDED */
diff --git a/pstoraster/gspath.c b/pstoraster/gspath.c
new file mode 100644
index 000000000..845d24352
--- /dev/null
+++ b/pstoraster/gspath.c
@@ -0,0 +1,518 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Basic path routines for Ghostscript library */
+#include "gx.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gscoord.h"		/* requires gsmatrix.h */
+#include "gzstate.h"
+#include "gzpath.h"
+#include "gxdevice.h"		/* for gxcpath.h */
+#include "gxdevmem.h"		/* for gs_device_is_memory */
+#include "gzcpath.h"
+
+/* ------ Miscellaneous ------ */
+
+int
+gs_newpath(gs_state * pgs)
+{
+    return gx_path_new(pgs->path);
+}
+
+int
+gs_closepath(gs_state * pgs)
+{
+    gx_path *ppath = pgs->path;
+    int code = gx_path_close_subpath(ppath);
+
+    if (code < 0)
+	return code;
+    if (path_start_outside_range(ppath))
+	path_set_outside_position(ppath, ppath->outside_start.x,
+				  ppath->outside_start.y);
+    return code;
+}
+
+int
+gs_upmergepath(gs_state * pgs)
+{
+    return gx_path_add_path(pgs->saved->path, pgs->path);
+}
+
+/* Get the current path (for internal use only). */
+gx_path *
+gx_current_path(const gs_state * pgs)
+{
+    return pgs->path;
+}
+
+/* ------ Points and lines ------ */
+
+/*
+ * Define clamped values for out-of-range coordinates.
+ * Currently the path drawing routines can't handle values
+ * close to the edge of the representable space.
+ */
+#define max_coord_fixed (max_fixed - int2fixed(1000))	/* arbitrary */
+#define min_coord_fixed (-max_coord_fixed)
+private void
+clamp_point(gs_fixed_point * ppt, floatp x, floatp y)
+{
+#define clamp_coord(xy)\
+  ppt->xy = (xy > fixed2float(max_coord_fixed) ? max_coord_fixed :\
+	     xy < fixed2float(min_coord_fixed) ? min_coord_fixed :\
+	     float2fixed(xy))
+    clamp_coord(x);
+    clamp_coord(y);
+#undef clamp_coord
+}
+
+int
+gs_currentpoint(const gs_state * pgs, gs_point * ppt)
+{
+    gx_path *ppath = pgs->path;
+    int code;
+    gs_fixed_point pt;
+
+    if (path_outside_range(ppath))
+	return gs_itransform((gs_state *) pgs,
+			     ppath->outside_position.x,
+			     ppath->outside_position.y, ppt);
+    code = gx_path_current_point(pgs->path, &pt);
+    if (code < 0)
+	return code;
+    return gs_itransform((gs_state *) pgs,
+			 fixed2float(pt.x), fixed2float(pt.y), ppt);
+}
+
+int
+gs_moveto(gs_state * pgs, floatp x, floatp y)
+{
+    gx_path *ppath = pgs->path;
+    gs_fixed_point pt;
+    int code;
+
+    if ((code = gs_point_transform2fixed(&pgs->ctm, x, y, &pt)) < 0) {
+	if (pgs->clamp_coordinates) {	/* Handle out-of-range coordinates. */
+	    gs_point opt;
+
+	    if (code != gs_error_limitcheck ||
+		(code = gs_transform(pgs, x, y, &opt)) < 0
+		)
+		return code;
+	    clamp_point(&pt, opt.x, opt.y);
+	    code = gx_path_add_point(ppath, pt.x, pt.y);
+	    if (code < 0)
+		return code;
+	    path_set_outside_position(ppath, opt.x, opt.y);
+	    ppath->outside_start = ppath->outside_position;
+	    ppath->start_flags = ppath->state_flags;
+	}
+	return code;
+    }
+    return gx_path_add_point(ppath, pt.x, pt.y);
+}
+
+int
+gs_rmoveto(gs_state * pgs, floatp x, floatp y)
+{
+    gs_fixed_point dpt;
+    int code;
+
+    if ((code = gs_distance_transform2fixed(&pgs->ctm, x, y, &dpt)) < 0 ||
+	(code = gx_path_add_relative_point(pgs->path, dpt.x, dpt.y)) < 0
+	) {			/* Handle all exceptional conditions here. */
+	gs_point upt;
+
+	if ((code = gs_currentpoint(pgs, &upt)) < 0)
+	    return code;
+	return gs_moveto(pgs, upt.x + x, upt.y + y);
+    }
+    return code;
+}
+
+int
+gs_lineto(gs_state * pgs, floatp x, floatp y)
+{
+    gx_path *ppath = pgs->path;
+    int code;
+    gs_fixed_point pt;
+
+    if ((code = gs_point_transform2fixed(&pgs->ctm, x, y, &pt)) < 0) {
+	if (pgs->clamp_coordinates) {	/* Handle out-of-range coordinates. */
+	    gs_point opt;
+
+	    if (code != gs_error_limitcheck ||
+		(code = gs_transform(pgs, x, y, &opt)) < 0
+		)
+		return code;
+	    clamp_point(&pt, opt.x, opt.y);
+	    code = gx_path_add_line(ppath, pt.x, pt.y);
+	    if (code < 0)
+		return code;
+	    path_set_outside_position(ppath, opt.x, opt.y);
+	}
+	return code;
+    }
+    return gx_path_add_line(pgs->path, pt.x, pt.y);
+}
+
+int
+gs_rlineto(gs_state * pgs, floatp x, floatp y)
+{
+    gx_path *ppath = pgs->path;
+    gs_fixed_point dpt;
+    fixed nx, ny;
+    int code;
+
+    if (!path_position_in_range(ppath) ||
+	(code = gs_distance_transform2fixed(&pgs->ctm, x, y, &dpt)) < 0 ||
+    /* Check for overflow in addition. */
+	(((nx = ppath->position.x + dpt.x) ^ dpt.x) < 0 &&
+	 (ppath->position.x ^ dpt.x) >= 0) ||
+	(((ny = ppath->position.y + dpt.y) ^ dpt.y) < 0 &&
+	 (ppath->position.y ^ dpt.y) >= 0) ||
+	(code = gx_path_add_line(ppath, nx, ny)) < 0
+	) {			/* Handle all exceptional conditions here. */
+	gs_point upt;
+
+	if ((code = gs_currentpoint(pgs, &upt)) < 0)
+	    return code;
+	return gs_lineto(pgs, upt.x + x, upt.y + y);
+    }
+    return code;
+}
+
+/* ------ Curves ------ */
+
+int
+gs_curveto(gs_state * pgs,
+	   floatp x1, floatp y1, floatp x2, floatp y2, floatp x3, floatp y3)
+{
+    gs_fixed_point p1, p2, p3;
+    int code1 = gs_point_transform2fixed(&pgs->ctm, x1, y1, &p1);
+    int code2 = gs_point_transform2fixed(&pgs->ctm, x2, y2, &p2);
+    int code3 = gs_point_transform2fixed(&pgs->ctm, x3, y3, &p3);
+    gx_path *ppath = pgs->path;
+
+    if ((code1 | code2 | code3) < 0) {
+	if (pgs->clamp_coordinates) {	/* Handle out-of-range coordinates. */
+	    gs_point opt1, opt2, opt3;
+	    int code;
+
+	    if ((code1 < 0 && code1 != gs_error_limitcheck) ||
+		(code1 = gs_transform(pgs, x1, y1, &opt1)) < 0
+		)
+		return code1;
+	    if ((code2 < 0 && code2 != gs_error_limitcheck) ||
+		(code2 = gs_transform(pgs, x2, y2, &opt2)) < 0
+		)
+		return code2;
+	    if ((code3 < 0 && code3 != gs_error_limitcheck) ||
+		(code3 = gs_transform(pgs, x3, y3, &opt3)) < 0
+		)
+		return code3;
+	    clamp_point(&p1, opt1.x, opt1.y);
+	    clamp_point(&p2, opt2.x, opt2.y);
+	    clamp_point(&p3, opt3.x, opt3.y);
+	    code = gx_path_add_curve(ppath,
+				     p1.x, p1.y, p2.x, p2.y, p3.x, p3.y);
+	    if (code < 0)
+		return code;
+	    path_set_outside_position(ppath, opt3.x, opt3.y);
+	    return code;
+	} else
+	    return (code1 < 0 ? code1 : code2 < 0 ? code2 : code3);
+    }
+    return gx_path_add_curve(ppath,
+			     p1.x, p1.y, p2.x, p2.y, p3.x, p3.y);
+}
+
+int
+gs_rcurveto(gs_state * pgs,
+     floatp dx1, floatp dy1, floatp dx2, floatp dy2, floatp dx3, floatp dy3)
+{
+    gx_path *ppath = pgs->path;
+    gs_fixed_point p1, p2, p3;
+    fixed ptx, pty;
+    int code;
+
+/****** SHOULD CHECK FOR OVERFLOW IN ADDITION ******/
+    if (!path_position_in_range(ppath) ||
+	(code = gs_distance_transform2fixed(&pgs->ctm, dx1, dy1, &p1)) < 0 ||
+	(code = gs_distance_transform2fixed(&pgs->ctm, dx2, dy2, &p2)) < 0 ||
+	(code = gs_distance_transform2fixed(&pgs->ctm, dx3, dy3, &p3)) < 0 ||
+	(ptx = ppath->position.x, pty = ppath->position.y,
+	 code = gx_path_add_curve(ppath, ptx + p1.x, pty + p1.y,
+				  ptx + p2.x, pty + p2.y,
+				  ptx + p3.x, pty + p3.y)) < 0
+	) {			/* Handle all exceptional conditions here. */
+	gs_point upt;
+
+	if ((code = gs_currentpoint(pgs, &upt)) < 0)
+	    return code;
+	return gs_curveto(pgs, upt.x + dx1, upt.y + dy1,
+			  upt.x + dx2, upt.y + dy2,
+			  upt.x + dx3, upt.y + dy3);
+    }
+    return code;
+}
+
+/* ------ Clipping ------ */
+
+/* Forward references */
+private int common_clip(P2(gs_state *, int));
+
+/*
+ * Return the effective clipping path of a graphics state.  Sometimes this
+ * is the intersection of the clip path and the view clip path; sometimes it
+ * is just the clip path.  We aren't sure what the correct algorithm is for
+ * this: for now, we use view clipping unless the current device is a memory
+ * device.  This takes care of the most important case, where the current
+ * device is a cache device.
+ */
+int
+gx_effective_clip_path(gs_state * pgs, gx_clip_path ** ppcpath)
+{
+    gs_id view_clip_id =
+	(pgs->view_clip == 0 || pgs->view_clip->rule == 0 ? gs_no_id :
+	 pgs->view_clip->id);
+
+    if (gs_device_is_memory(pgs->device)) {
+	*ppcpath = pgs->clip_path;
+	return 0;
+    }
+    if (pgs->effective_clip_id == pgs->clip_path->id &&
+	pgs->effective_view_clip_id == view_clip_id
+	) {
+	*ppcpath = pgs->effective_clip_path;
+	return 0;
+    }
+    /* Update the cache. */
+    if (view_clip_id == gs_no_id) {
+	if (!pgs->effective_clip_shared)
+	    gx_cpath_free(pgs->effective_clip_path, "gx_effective_clip_path");
+	pgs->effective_clip_path = pgs->clip_path;
+	pgs->effective_clip_shared = true;
+    } else {
+	gs_fixed_rect cbox, vcbox;
+
+	gx_cpath_inner_box(pgs->clip_path, &cbox);
+	gx_cpath_outer_box(pgs->view_clip, &vcbox);
+	if (rect_within(vcbox, cbox)) {
+	    if (!pgs->effective_clip_shared)
+		gx_cpath_free(pgs->effective_clip_path,
+			      "gx_effective_clip_path");
+	    pgs->effective_clip_path = pgs->view_clip;
+	    pgs->effective_clip_shared = true;
+	} else {
+	    /* Construct the intersection of the two clip paths. */
+	    int code;
+	    gx_clip_path ipath;
+	    gx_path vpath;
+	    gx_clip_path *npath = pgs->effective_clip_path;
+
+	    if (pgs->effective_clip_shared) {
+		npath = gx_cpath_alloc(pgs->memory, "gx_effective_clip_path");
+		if (npath == 0)
+		    return_error(gs_error_VMerror);
+	    }
+	    gx_cpath_init_local(&ipath, pgs->memory);
+	    code = gx_cpath_assign_preserve(&ipath, pgs->clip_path);
+	    if (code < 0)
+		return code;
+	    gx_path_init_local(&vpath, pgs->memory);
+	    code = gx_cpath_to_path(pgs->view_clip, &vpath);
+	    if (code < 0 ||
+		(code = gx_cpath_clip(pgs, &ipath, &vpath,
+				      gx_rule_winding_number)) < 0 ||
+		(code = gx_cpath_assign_free(npath, &ipath)) < 0
+		)
+		DO_NOTHING;
+	    gx_path_free(&vpath, "gx_effective_clip_path");
+	    gx_cpath_free(&ipath, "gx_effective_clip_path");
+	    if (code < 0)
+		return code;
+	    pgs->effective_clip_path = npath;
+	    pgs->effective_clip_shared = false;
+	}
+    }
+    pgs->effective_clip_id = pgs->clip_path->id;
+    pgs->effective_view_clip_id = view_clip_id;
+    *ppcpath = pgs->effective_clip_path;
+    return 0;
+}
+
+#ifdef DEBUG
+/* Note that we just set the clipping path (internal). */
+private void
+note_set_clip_path(const gs_state * pgs)
+{
+    if (gs_debug_c('P')) {
+	extern void gx_cpath_print(P1(const gx_clip_path *));
+
+	dlprintf("[P]Clipping path:\n");
+	gx_cpath_print(pgs->clip_path);
+    }
+}
+#else
+#  define note_set_clip_path(pgs) DO_NOTHING
+#endif
+
+int
+gs_clippath(gs_state * pgs)
+{
+    gx_path cpath;
+    int code;
+
+    gx_path_init_local(&cpath, pgs->memory);
+    code = gx_cpath_to_path(pgs->clip_path, &cpath);
+    if (code >= 0)
+	code = gx_path_assign_free(pgs->path, &cpath);
+    if (code < 0)
+	gx_path_free(&cpath, "gs_clippath");
+    return code;
+}
+
+int
+gs_initclip(gs_state * pgs)
+{
+    gs_fixed_rect box;
+    int code = gx_default_clip_box(pgs, &box);
+
+    if (code < 0)
+	return code;
+    return gx_clip_to_rectangle(pgs, &box);
+}
+
+int
+gs_clip(gs_state * pgs)
+{
+    return common_clip(pgs, gx_rule_winding_number);
+}
+
+int
+gs_eoclip(gs_state * pgs)
+{
+    return common_clip(pgs, gx_rule_even_odd);
+}
+
+private int
+common_clip(gs_state * pgs, int rule)
+{
+    int code = gx_cpath_clip(pgs, pgs->clip_path, pgs->path, rule);
+    if (code < 0)
+	return code;
+    pgs->clip_path->rule = rule;
+    note_set_clip_path(pgs);
+    return 0;
+}
+
+int
+gs_setclipoutside(gs_state * pgs, bool outside)
+{
+    return gx_cpath_set_outside(pgs->clip_path, outside);
+}
+
+bool
+gs_currentclipoutside(const gs_state * pgs)
+{
+    return gx_cpath_is_outside(pgs->clip_path);
+}
+
+/* Establish a rectangle as the clipping path. */
+/* Used by initclip and by the character and Pattern cache logic. */
+int
+gx_clip_to_rectangle(gs_state * pgs, gs_fixed_rect * pbox)
+{
+    int code = gx_cpath_from_rectangle(pgs->clip_path, pbox);
+
+    if (code < 0)
+	return code;
+    pgs->clip_path->rule = gx_rule_winding_number;
+    note_set_clip_path(pgs);
+    return 0;
+}
+
+/* Set the clipping path to the current path, without intersecting. */
+/* This is very inefficient right now. */
+int
+gx_clip_to_path(gs_state * pgs)
+{
+    gs_fixed_rect bbox;
+    int code;
+
+    if ((code = gx_path_bbox(pgs->path, &bbox)) < 0 ||
+	(code = gx_clip_to_rectangle(pgs, &bbox)) < 0 ||
+	(code = gs_clip(pgs)) < 0
+	)
+	return code;
+    note_set_clip_path(pgs);
+    return 0;
+}
+
+/* Get the default clipping box. */
+int
+gx_default_clip_box(const gs_state * pgs, gs_fixed_rect * pbox)
+{
+    register gx_device *dev = gs_currentdevice(pgs);
+    gs_rect bbox;
+    gs_matrix imat;
+    int code;
+
+    if (dev->ImagingBBox_set) {	/* Use the ImagingBBox, relative to default user space. */
+	gs_defaultmatrix(pgs, &imat);
+	bbox.p.x = dev->ImagingBBox[0];
+	bbox.p.y = dev->ImagingBBox[1];
+	bbox.q.x = dev->ImagingBBox[2];
+	bbox.q.y = dev->ImagingBBox[3];
+    } else {			/* Use the PageSize indented by the HWMargins, */
+	/* relative to unrotated user space adjusted by */
+	/* the Margins.  (We suspect this isn't quite right, */
+	/* but the whole issue of "margins" is such a mess that */
+	/* we don't think we can do any better.) */
+	(*dev_proc(dev, get_initial_matrix)) (dev, &imat);
+	/* Adjust for the Margins. */
+	imat.tx += dev->Margins[0] * dev->HWResolution[0] /
+	    dev->MarginsHWResolution[0];
+	imat.ty += dev->Margins[1] * dev->HWResolution[1] /
+	    dev->MarginsHWResolution[1];
+	bbox.p.x = dev->HWMargins[0];
+	bbox.p.y = dev->HWMargins[1];
+	bbox.q.x = dev->PageSize[0] - dev->HWMargins[2];
+	bbox.q.y = dev->PageSize[1] - dev->HWMargins[3];
+    }
+    code = gs_bbox_transform(&bbox, &imat, &bbox);
+    if (code < 0)
+	return code;
+    /* Round the clipping box so that it doesn't get ceilinged. */
+    pbox->p.x = fixed_rounded(float2fixed(bbox.p.x));
+    pbox->p.y = fixed_rounded(float2fixed(bbox.p.y));
+    pbox->q.x = fixed_rounded(float2fixed(bbox.q.x));
+    pbox->q.y = fixed_rounded(float2fixed(bbox.q.y));
+    return 0;
+}
diff --git a/pstoraster/gspath.h b/pstoraster/gspath.h
new file mode 100644
index 000000000..d736470c8
--- /dev/null
+++ b/pstoraster/gspath.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsstate.h */
+
+#ifndef gspath_INCLUDED
+#  define gspath_INCLUDED
+
+#include "gspenum.h"
+
+/* Path constructors */
+int gs_newpath(P1(gs_state *)), gs_moveto(P3(gs_state *, floatp, floatp)),
+    gs_rmoveto(P3(gs_state *, floatp, floatp)), gs_lineto(P3(gs_state *, floatp, floatp)),
+    gs_rlineto(P3(gs_state *, floatp, floatp)), gs_arc(P6(gs_state *, floatp, floatp, floatp, floatp, floatp)),
+    gs_arcn(P6(gs_state *, floatp, floatp, floatp, floatp, floatp)),	/*
+									 * Because of an obscure bug in the IBM RS/6000 compiler, one (but not both)
+									 * bool argument(s) for gs_arc_add must come before the floatp arguments.
+									 */
+    gs_arc_add(P8(gs_state *, bool, floatp, floatp, floatp, floatp, floatp, bool)),
+    gs_arcto(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, float[4])),
+      gs_curveto(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, floatp)),
+      gs_rcurveto(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, floatp)),
+      gs_closepath(P1(gs_state *));
+
+/* Imager-level procedures */
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+int gs_imager_arc_add(P9(gx_path * ppath, gs_imager_state * pis,
+			 bool clockwise, floatp axc, floatp ayc,
+			 floatp arad, floatp aang1, floatp aang2,
+			 bool add_line));
+
+#define gs_arc_add_inline(pgs, cw, axc, ayc, arad, aa1, aa2, add)\
+  gs_imager_arc_add((pgs)->path, (gs_imager_state *)(pgs),\
+		    cw, axc, ayc, arad, aa1, aa2, add)
+
+/* Add the current path to the path in the previous graphics state. */
+int gs_upmergepath(P1(gs_state *));
+
+/* Path accessors and transformers */
+int gs_currentpoint(P2(const gs_state *, gs_point *)), gs_upathbbox(P3(gs_state *, gs_rect *, bool)),
+      gs_dashpath(P1(gs_state *)), gs_flattenpath(P1(gs_state *)), gs_reversepath(P1(gs_state *)),
+      gs_strokepath(P1(gs_state *));
+
+/* The extra argument for gs_upathbbox controls whether to include */
+/* a trailing moveto in the bounding box. */
+#define gs_pathbbox(pgs, prect)\
+  gs_upathbbox(pgs, prect, false)
+
+/* Path enumeration */
+
+/* This interface conditionally makes a copy of the path. */
+gs_path_enum *
+             gs_path_enum_alloc(P2(gs_memory_t *, client_name_t));
+int gs_path_enum_copy_init(P3(gs_path_enum *, const gs_state *, bool));
+
+#define gs_path_enum_init(penum, pgs)\
+  gs_path_enum_copy_init(penum, pgs, true)
+int gs_path_enum_next(P2(gs_path_enum *, gs_point[3]));		/* 0 when done */
+void gs_path_enum_cleanup(P1(gs_path_enum *));
+
+/* Clipping */
+int gs_clippath(P1(gs_state *)), gs_initclip(P1(gs_state *)), gs_clip(P1(gs_state *)),
+    gs_eoclip(P1(gs_state *));
+int gs_setclipoutside(P2(gs_state *, bool));
+bool gs_currentclipoutside(P1(const gs_state *));
+
+#endif /* gspath_INCLUDED */
diff --git a/pstoraster/gspath1.c b/pstoraster/gspath1.c
new file mode 100644
index 000000000..893a4c1f9
--- /dev/null
+++ b/pstoraster/gspath1.c
@@ -0,0 +1,480 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Additional PostScript Level 1 path routines for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gxfarith.h"
+#include "gxmatrix.h"
+#include "gzstate.h"
+#include "gspath.h"
+#include "gzpath.h"
+#include "gscoord.h"		/* gs_itransform prototype */
+
+/* ------ Arcs ------ */
+
+/* Conversion parameters */
+#define degrees_to_radians (M_PI / 180.0)
+
+typedef enum {
+    arc_nothing,
+    arc_moveto,
+    arc_lineto
+} arc_action;
+
+typedef struct arc_curve_params_s {
+    /* The following are set once. */
+    gx_path *ppath;
+    gs_imager_state *pis;
+    gs_point center;		/* (not used by arc_add) */
+    double radius;
+    /* The following may be updated dynamically. */
+    arc_action action;
+    segment_notes notes;
+    gs_point p0, p3, pt;
+    gs_sincos_t sincos;		/* (not used by arc_add) */
+    fixed angle;		/* (not used by arc_add) */
+} arc_curve_params_t;
+
+/* Forward declarations */
+private int arc_add(P1(const arc_curve_params_t *));
+
+int
+gs_arc(gs_state * pgs,
+       floatp xc, floatp yc, floatp r, floatp ang1, floatp ang2)
+{
+    return gs_arc_add_inline(pgs, false, xc, yc, r, ang1, ang2, true);
+}
+
+int
+gs_arcn(gs_state * pgs,
+	floatp xc, floatp yc, floatp r, floatp ang1, floatp ang2)
+{
+    return gs_arc_add_inline(pgs, true, xc, yc, r, ang1, ang2, true);
+}
+
+int
+gs_arc_add(gs_state * pgs, bool clockwise, floatp axc, floatp ayc,
+	   floatp arad, floatp aang1, floatp aang2, bool add_line)
+{
+    return gs_arc_add_inline(pgs, clockwise, axc, ayc, arad,
+			     aang1, aang2, add_line);
+}
+
+/* Compute the next curve as part of an arc. */
+private int
+next_arc_curve(arc_curve_params_t * arc, fixed anext)
+{
+    bool ortho = arc->sincos.orthogonal;
+    double sin0 = arc->sincos.sin, cos0 = arc->sincos.cos;
+    double x0 = arc->p0.x = arc->p3.x;
+    double y0 = arc->p0.y = arc->p3.y;
+    double x3, y3;
+
+    gs_sincos_degrees(fixed2float(anext), &arc->sincos);
+    arc->p3.x = x3 =
+	arc->center.x + arc->radius * arc->sincos.cos;
+    arc->p3.y = y3 =
+	arc->center.y + arc->radius * arc->sincos.sin;
+    if (ortho && arc->sincos.orthogonal) {
+	/* The common tangent point is easy to compute. */
+	if (x0 == arc->center.x)
+	    arc->pt.x = x3, arc->pt.y = y0;
+	else
+	    arc->pt.x = x0, arc->pt.y = y3;
+    } else {
+	/* Do it the hard way. */
+	double trad = arc->radius *
+	tan(fixed2float(anext - arc->angle) *
+	    (degrees_to_radians / 2));
+
+	arc->pt.x = x0 - trad * sin0;
+	arc->pt.y = y0 + trad * cos0;
+    }
+    arc->angle = anext;
+    return arc_add(arc);
+}
+
+int
+gs_imager_arc_add(gx_path * ppath, gs_imager_state * pis, bool clockwise,
+	    floatp axc, floatp ayc, floatp arad, floatp aang1, floatp aang2,
+		  bool add_line)
+{
+    double ar = arad;
+    fixed ang1 = float2fixed(aang1), ang2 = float2fixed(aang2), anext;
+    double ang1r;		/* reduced angle */
+    arc_curve_params_t arc;
+    int code;
+
+    arc.ppath = ppath;
+    arc.pis = pis;
+    arc.center.x = axc;
+    arc.center.y = ayc;
+#define fixed_90 int2fixed(90)
+#define fixed_180 int2fixed(180)
+#define fixed_360 int2fixed(360)
+    if (ar < 0) {
+	ang1 += fixed_180;
+	ang2 += fixed_180;
+	ar = -ar;
+    }
+    arc.radius = ar;
+    arc.action = (add_line ? arc_lineto : arc_moveto);
+    arc.notes = sn_none;
+    ang1r = fixed2float(ang1 % fixed_360);
+    gs_sincos_degrees(ang1r, &arc.sincos);
+    arc.p3.x = axc + ar * arc.sincos.cos;
+    arc.p3.y = ayc + ar * arc.sincos.sin;
+    if (clockwise) {
+	while (ang1 < ang2)
+	    ang2 -= fixed_360;
+	if (ang2 < 0) {
+	    fixed adjust = round_up(-ang2, fixed_360);
+
+	    ang1 += adjust, ang2 += adjust;
+	}
+	arc.angle = ang1;
+	/*
+	 * Cut at multiples of 90 degrees.  Invariant: ang1 >= ang2 >= 0.
+	 */
+	while ((anext = round_down(arc.angle - fixed_epsilon, fixed_90)) > ang2) {
+	    code = next_arc_curve(&arc, anext);
+	    if (code < 0)
+		return code;
+	    arc.action = arc_nothing;
+	    arc.notes = sn_not_first;
+	}
+    } else {
+	while (ang2 < ang1)
+	    ang2 += fixed_360;
+	if (ang1 < 0) {
+	    fixed adjust = round_up(-ang1, fixed_360);
+
+	    ang1 += adjust, ang2 += adjust;
+	}
+	arc.angle = ang1;
+	/*
+	 * Cut at multiples of 90 degrees.  Invariant: 0 <= ang1 <= ang2.
+	 * We can't use round_up because of the inchoate definition of
+	 * % and / for negative numbers.
+	 */
+	while ((anext = round_up(arc.angle + fixed_epsilon, fixed_90)) < ang2) {
+	    code = next_arc_curve(&arc, anext);
+	    if (code < 0)
+		return code;
+	    arc.action = arc_nothing;
+	    arc.notes = sn_not_first;
+	}
+    }
+    /*
+     * Do the last curve of the arc.
+     */
+    return next_arc_curve(&arc, ang2);
+}
+
+int
+gs_arcto(gs_state * pgs,
+floatp ax1, floatp ay1, floatp ax2, floatp ay2, floatp arad, float retxy[4])
+{
+    double xt0, yt0, xt2, yt2;
+    gs_point up0;
+
+#define ax0 up0.x
+#define ay0 up0.y
+    /* Transform the current point back into user coordinates. */
+    int code = gs_currentpoint(pgs, &up0);
+
+    if (code < 0)
+	return code;
+    {				/* Now we have to compute the tangent points. */
+	/* Basically, the idea is to compute the tangent */
+	/* of the bisector by using tan(x+y) and tan(z/2) */
+	/* formulas, without ever using any trig. */
+	double dx0 = ax0 - ax1, dy0 = ay0 - ay1;
+	double dx2 = ax2 - ax1, dy2 = ay2 - ay1;
+
+	/* Compute the squared lengths from p1 to p0 and p2. */
+	double sql0 = dx0 * dx0 + dy0 * dy0;
+	double sql2 = dx2 * dx2 + dy2 * dy2;
+
+	/* Compute the distance from p1 to the tangent points. */
+	/* This is the only messy part. */
+	double num = dy0 * dx2 - dy2 * dx0;
+	double denom = sqrt(sql0 * sql2) - (dx0 * dx2 + dy0 * dy2);
+
+	/* Check for collinear points. */
+	if (denom == 0) {
+	    code = gs_lineto(pgs, ax1, ay1);
+	    xt0 = xt2 = ax1;
+	    yt0 = yt2 = ay1;
+	} else {		/* not collinear */
+	    double dist = fabs(arad * num / denom);
+	    double l0 = dist / sqrt(sql0), l2 = dist / sqrt(sql2);
+	    arc_curve_params_t arc;
+
+	    arc.ppath = pgs->path;
+	    arc.pis = (gs_imager_state *) pgs;
+	    arc.radius = arad;
+	    arc.action = arc_lineto;
+	    arc.notes = sn_none;
+	    if (arad < 0)
+		l0 = -l0, l2 = -l2;
+	    arc.p0.x = xt0 = ax1 + dx0 * l0;
+	    arc.p0.y = yt0 = ay1 + dy0 * l0;
+	    arc.p3.x = xt2 = ax1 + dx2 * l2;
+	    arc.p3.y = yt2 = ay1 + dy2 * l2;
+	    arc.pt.x = ax1;
+	    arc.pt.y = ay1;
+	    code = arc_add(&arc);
+	}
+    }
+    if (retxy != 0) {
+	retxy[0] = xt0;
+	retxy[1] = yt0;
+	retxy[2] = xt2;
+	retxy[3] = yt2;
+    }
+    return code;
+}
+
+/* Internal routine for adding an arc to the path. */
+private int
+arc_add(const arc_curve_params_t * arc)
+{
+    gx_path *path = arc->ppath;
+    gs_imager_state *pis = arc->pis;
+    double r = arc->radius;
+    double x0 = arc->p0.x, y0 = arc->p0.y;
+    double x3 = arc->p3.x, y3 = arc->p3.y;
+    double xt = arc->pt.x, yt = arc->pt.y;
+    floatp dx = xt - x0, dy = yt - y0;
+    double dist = dx * dx + dy * dy;
+    double r2 = r * r;
+    floatp fraction;
+    gs_fixed_point p0, p3, pt, cpt;
+    int code;
+
+    /* Compute the fraction coefficient for the curve. */
+    /* See gx_path_add_partial_arc for details. */
+    if (dist >= r2 * 1.0e8)	/* almost zero radius; */
+	/* the >= catches dist == r == 0 */
+	fraction = 0.0;
+    else
+	fraction = (4.0 / 3.0) / (1 + sqrt(1 + dist / r2));
+    if_debug8('r',
+	      "[r]Arc f=%f p0=(%f,%f) pt=(%f,%f) p3=(%f,%f) action=%d\n",
+	      fraction, x0, y0, xt, yt, x3, y3, (int)arc->action);
+    if ((code = gs_point_transform2fixed(&pis->ctm, x0, y0, &p0)) < 0 ||
+	(code = gs_point_transform2fixed(&pis->ctm, x3, y3, &p3)) < 0 ||
+	(code = gs_point_transform2fixed(&pis->ctm, xt, yt, &pt)) < 0 ||
+	(code =
+	 (arc->action == arc_nothing ? 0 :
+	  arc->action == arc_lineto &&
+	  gx_path_current_point(path, &cpt) >= 0 ?
+	  gx_path_add_line(path, p0.x, p0.y) :
+    /* action == arc_moveto */
+	  gx_path_add_point(path, p0.x, p0.y))) < 0
+	)
+	return code;
+    return gx_path_add_partial_arc_notes(path, p3.x, p3.y, pt.x, pt.y,
+					 fraction, arc->notes);
+}
+
+/* ------ Path transformers ------ */
+
+int
+gs_dashpath(gs_state * pgs)
+{
+    gx_path fpath;
+    int code;
+
+    if (gs_currentdash_length(pgs) == 0)
+	return 0;		/* no dash pattern */
+    code = gs_flattenpath(pgs);
+    if (code < 0)
+	return code;
+    gx_path_init_local(&fpath, pgs->memory);
+    code = gx_path_add_dash_expansion(pgs->path, &fpath,
+				      (gs_imager_state *) pgs);
+    if (code < 0) {
+	gx_path_free(&fpath, "gs_dashpath");
+	return code;
+    }
+    gx_path_assign_free(pgs->path, &fpath);
+    return 0;
+}
+
+int
+gs_flattenpath(gs_state * pgs)
+{
+    gx_path *ppath = pgs->path;
+    gx_path fpath;
+    int code;
+
+    if (!gx_path_has_curves(ppath))
+	return 0;		/* nothing to do */
+    gx_path_init_local(&fpath, ppath->memory);
+    code = gx_path_add_flattened_accurate(ppath, &fpath, pgs->flatness,
+					  pgs->accurate_curves);
+    if (code < 0) {
+	gx_path_free(&fpath, "gs_flattenpath");
+	return code;
+    }
+    gx_path_assign_free(ppath, &fpath);
+    return 0;
+}
+
+int
+gs_reversepath(gs_state * pgs)
+{
+    gx_path *ppath = pgs->path;
+    gx_path rpath;
+    int code;
+
+    gx_path_init_local(&rpath, ppath->memory);
+    code = gx_path_copy_reversed(ppath, &rpath);
+    if (code < 0) {
+	gx_path_free(&rpath, "gs_reversepath");
+	return code;
+    }
+    gx_path_assign_free(ppath, &rpath);
+    return 0;
+}
+
+/* ------ Accessors ------ */
+
+int
+gs_upathbbox(gs_state * pgs, gs_rect * pbox, bool include_moveto)
+{
+    gs_fixed_rect fbox;		/* box in device coordinates */
+    gs_rect dbox;
+    int code = gx_path_bbox(pgs->path, &fbox);
+
+    if (code < 0)
+	return code;
+    /* If the path ends with a moveto and include_moveto is true, */
+    /* include the moveto in the bounding box. */
+    if (path_last_is_moveto(pgs->path) && include_moveto) {
+	gs_fixed_point pt;
+
+	gx_path_current_point_inline(pgs->path, &pt);
+	if (pt.x < fbox.p.x)
+	    fbox.p.x = pt.x;
+	if (pt.y < fbox.p.y)
+	    fbox.p.y = pt.y;
+	if (pt.x > fbox.q.x)
+	    fbox.q.x = pt.x;
+	if (pt.y > fbox.q.y)
+	    fbox.q.y = pt.y;
+    }
+    /* Transform the result back to user coordinates. */
+    dbox.p.x = fixed2float(fbox.p.x);
+    dbox.p.y = fixed2float(fbox.p.y);
+    dbox.q.x = fixed2float(fbox.q.x);
+    dbox.q.y = fixed2float(fbox.q.y);
+    return gs_bbox_transform_inverse(&dbox, &ctm_only(pgs), pbox);
+}
+
+/* ------ Enumerators ------ */
+
+/* Start enumerating a path */
+int
+gs_path_enum_copy_init(gs_path_enum * penum, const gs_state * pgs, bool copy)
+{
+    gs_memory_t *mem = pgs->memory;
+
+    if (copy) {
+	gx_path *copied_path =
+	gx_path_alloc(mem, "gs_path_enum_init");
+	int code;
+
+	if (copied_path == 0)
+	    return_error(gs_error_VMerror);
+	code = gx_path_copy(pgs->path, copied_path);
+	if (code < 0) {
+	    gx_path_free(copied_path, "gs_path_enum_init");
+	    return code;
+	}
+	gx_path_enum_init(penum, copied_path);
+	penum->copied_path = copied_path;
+    } else {
+	gx_path_enum_init(penum, pgs->path);
+    }
+    penum->memory = mem;
+    gs_currentmatrix(pgs, &penum->mat);
+    return 0;
+}
+
+/* Enumerate the next element of a path. */
+/* If the path is finished, return 0; */
+/* otherwise, return the element type. */
+int
+gs_path_enum_next(gs_path_enum * penum, gs_point ppts[3])
+{
+    gs_fixed_point fpts[3];
+    int pe_op = gx_path_enum_next(penum, fpts);
+    int code;
+
+    switch (pe_op) {
+	case 0:		/* all done */
+	case gs_pe_closepath:
+	    break;
+	case gs_pe_curveto:
+	    if ((code = gs_point_transform_inverse(
+						      fixed2float(fpts[1].x),
+						      fixed2float(fpts[1].y),
+					      &penum->mat, &ppts[1])) < 0 ||
+		(code = gs_point_transform_inverse(
+						      fixed2float(fpts[2].x),
+						      fixed2float(fpts[2].y),
+						&penum->mat, &ppts[2])) < 0)
+		return code;
+	    /* falls through */
+	case gs_pe_moveto:
+	case gs_pe_lineto:
+	    if ((code = gs_point_transform_inverse(
+						      fixed2float(fpts[0].x),
+						      fixed2float(fpts[0].y),
+						&penum->mat, &ppts[0])) < 0)
+		return code;
+	default:		/* error */
+	    break;
+    }
+    return pe_op;
+}
+
+/* Clean up after a pathforall. */
+void
+gs_path_enum_cleanup(gs_path_enum * penum)
+{
+    if (penum->copied_path != 0) {
+	gx_path_free(penum->copied_path, "gs_path_enum_cleanup");
+	penum->path = 0;
+	penum->copied_path = 0;
+    }
+}
diff --git a/pstoraster/gspath2.h b/pstoraster/gspath2.h
new file mode 100644
index 000000000..c24074c86
--- /dev/null
+++ b/pstoraster/gspath2.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmatrix.h */
+
+#ifndef gspath2_INCLUDED
+#  define gspath2_INCLUDED
+
+/* Miscellaneous */
+int gs_setbbox(P5(gs_state *, floatp, floatp, floatp, floatp));
+
+/* Rectangles */
+int gs_rectappend(P3(gs_state *, const gs_rect *, uint));
+int gs_rectclip(P3(gs_state *, const gs_rect *, uint));
+int gs_rectfill(P3(gs_state *, const gs_rect *, uint));
+int gs_rectstroke(P4(gs_state *, const gs_rect *, uint, const gs_matrix *));
+
+#endif /* gspath2_INCLUDED */
diff --git a/pstoraster/gspcolor.c b/pstoraster/gspcolor.c
new file mode 100644
index 000000000..f5740b4ce
--- /dev/null
+++ b/pstoraster/gspcolor.c
@@ -0,0 +1,958 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Pattern color operators and procedures for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrop.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxcoord.h"		/* for gs_concat, gx_tr'_to_fixed */
+#include "gxcspace.h"		/* for gscolor2.h */
+#include "gxcolor2.h"
+#include "gxdcolor.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxclip2.h"
+#include "gspath.h"
+#include "gxpath.h"
+#include "gxp1fill.h"
+#include "gxpcolor.h"
+#include "gzstate.h"
+#include "gsimage.h"
+#include "gsiparm4.h"
+
+/* GC descriptors */
+private_st_pattern1_template();
+public_st_pattern_instance();
+
+/* Import the Pattern reloading procedure from gxpcmap.c. */
+int gx_pattern_load(P4(gx_device_color *, const gs_imager_state *,
+		       gx_device *, gs_color_select_t));
+
+/* Define the Pattern color space. */
+gs_private_st_composite(st_color_space_Pattern, gs_paint_color_space,
+     "gs_color_space_Pattern", cs_Pattern_enum_ptrs, cs_Pattern_reloc_ptrs);
+private cs_proc_num_components(gx_num_components_Pattern);
+private cs_proc_base_space(gx_base_space_Pattern);
+extern cs_proc_remap_color(gx_remap_Pattern);
+private cs_proc_init_color(gx_init_Pattern);
+private cs_proc_restrict_color(gx_restrict_Pattern);
+private cs_proc_install_cspace(gx_install_Pattern);
+private cs_proc_adjust_cspace_count(gx_adjust_cspace_Pattern);
+private cs_proc_adjust_color_count(gx_adjust_color_Pattern);
+const gs_color_space_type gs_color_space_type_Pattern = {
+    gs_color_space_index_Pattern, false, false,
+    &st_color_space_Pattern, gx_num_components_Pattern,
+    gx_base_space_Pattern,
+    gx_init_Pattern, gx_restrict_Pattern,
+    gx_no_concrete_space,
+    gx_no_concretize_color, NULL,
+    gx_remap_Pattern, gx_install_Pattern,
+    gx_adjust_cspace_Pattern, gx_adjust_color_Pattern
+};
+
+/*
+ * Build a PatternType 1 Pattern color space.
+ */
+int
+gs_cspace_build_Pattern1(gs_color_space ** ppcspace,
+		    const gs_color_space * pbase_cspace, gs_memory_t * pmem)
+{
+    gs_color_space *pcspace = 0;
+    int code;
+
+    if (pbase_cspace != 0) {
+	if (gs_color_space_num_components(pcspace) < 0)		/* Pattern space */
+	    return_error(gs_error_rangecheck);
+    }
+    code = gs_cspace_alloc(&pcspace, &gs_color_space_type_Pattern, pmem);
+    if (code < 0)
+	return code;
+    if (pbase_cspace != 0) {
+	pcspace->params.pattern.has_base_space = true;
+	gs_cspace_init_from((gs_color_space *) & (pcspace->params.pattern.base_space),
+			    pbase_cspace
+	    );
+    } else
+	pcspace->params.pattern.has_base_space = false;
+    *ppcspace = pcspace;
+    return 0;
+}
+
+/* Initialize a PatternType 1 pattern template. */
+void
+gs_pattern1_init(gs_pattern1_template_t * ppat)
+{
+    uid_set_invalid(&ppat->uid);
+    ppat->PaintType = 0;	/* mark as PatternType 1 but invalid */
+    ppat->client_data = 0;	/* for GC */
+}
+
+/* makepattern */
+private int compute_inst_matrix(P3(gs_pattern_instance * pinst,
+				   const gs_state * saved,
+				   gs_rect * pbbox));
+private rc_free_proc(rc_free_pattern_instance);
+int
+gs_makepattern(gs_client_color * pcc, const gs_client_pattern * pcp,
+	       const gs_matrix * pmat, gs_state * pgs, gs_memory_t * mem)
+{
+    gs_pattern_instance inst;
+    gs_pattern_instance *pinst;
+    gs_state *saved;
+    gs_rect bbox;
+    gs_fixed_rect cbox;
+    int code;
+
+    if (mem == 0)
+	mem = gs_state_memory(pgs);
+    rc_alloc_struct_1(pinst, gs_pattern_instance, &st_pattern_instance,
+		      mem, return_error(gs_error_VMerror),
+		      "gs_makepattern");
+    pinst->rc.free = rc_free_pattern_instance;
+    inst.rc = pinst->rc;
+    saved = gs_state_copy(pgs, mem);
+    if (saved == 0) {
+	code = gs_note_error(gs_error_VMerror);
+	goto finst;
+    }
+    gs_concat(saved, pmat);
+    gs_newpath(saved);
+    switch (pcp->PaintType) {
+	case 1:		/* colored */
+	    gs_set_logical_op(saved, lop_default);
+	    break;
+	case 2:		/* uncolored */
+	    gx_set_device_color_1(saved);
+	    break;
+	default:
+	    code = gs_note_error(gs_error_rangecheck);
+	    goto fsaved;
+    }
+    inst.template = *pcp;
+    inst.saved = saved;
+    code = compute_inst_matrix(&inst, saved, &bbox);
+    if (code < 0)
+	goto fsaved;
+#define mat inst.step_matrix
+    if_debug6('t', "[t]step_matrix=[%g %g %g %g %g %g]\n",
+	      mat.xx, mat.xy, mat.yx, mat.yy, mat.tx, mat.ty);
+    /* Check for singular stepping matrix. */
+    if (fabs(mat.xx * mat.yy - mat.xy * mat.yx) < 1.0e-6) {
+	code = gs_note_error(gs_error_rangecheck);
+	goto fsaved;
+    }
+    if_debug4('t', "[t]bbox=(%g,%g),(%g,%g)\n",
+	      bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y);
+    {
+	float bbw = bbox.q.x - bbox.p.x;
+	float bbh = bbox.q.y - bbox.p.y;
+
+	/* If the step and the size agree to within 1/2 pixel, */
+	/* make them the same. */
+	inst.size.x = (int)(bbw + 0.8);		/* 0.8 is arbitrary */
+	inst.size.y = (int)(bbh + 0.8);
+	if (mat.xy == 0 && mat.yx == 0 &&
+	    fabs(fabs(mat.xx) - bbw) < 0.5 &&
+	    fabs(fabs(mat.yy) - bbh) < 0.5
+	    ) {
+	    gs_scale(saved, fabs(inst.size.x / mat.xx),
+		     fabs(inst.size.y / mat.yy));
+	    code = compute_inst_matrix(&inst, saved, &bbox);
+	    if (code < 0)
+		goto fsaved;
+	    if_debug2('t',
+		      "[t]adjusted XStep & YStep to size=(%d,%d)\n",
+		      inst.size.x, inst.size.y);
+	    if_debug4('t', "[t]bbox=(%g,%g),(%g,%g)\n",
+		      bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y);
+	}
+    }
+    if ((code = gs_bbox_transform_inverse(&bbox, &mat, &inst.bbox)) < 0)
+	goto fsaved;
+    if_debug4('t', "[t]ibbox=(%g,%g),(%g,%g)\n",
+	      inst.bbox.p.x, inst.bbox.p.y, inst.bbox.q.x, inst.bbox.q.y);
+    inst.is_simple = (fabs(mat.xx) == inst.size.x && mat.xy == 0 &&
+		      mat.yx == 0 && fabs(mat.yy) == inst.size.y);
+    if_debug6('t',
+	      "[t]is_simple? xstep=(%g,%g) ystep=(%g,%g) size=(%d,%d)\n",
+	      inst.step_matrix.xx, inst.step_matrix.xy,
+	      inst.step_matrix.yx, inst.step_matrix.yy,
+	      inst.size.x, inst.size.y);
+    /* Absent other information, instances always require a mask. */
+    inst.uses_mask = true;
+    gx_translate_to_fixed(saved, float2fixed(mat.tx - bbox.p.x),
+			  float2fixed(mat.ty - bbox.p.y));
+    mat.tx = bbox.p.x;
+    mat.ty = bbox.p.y;
+#undef mat
+    cbox.p.x = fixed_0;
+    cbox.p.y = fixed_0;
+    cbox.q.x = int2fixed(inst.size.x);
+    cbox.q.y = int2fixed(inst.size.y);
+    code = gx_clip_to_rectangle(saved, &cbox);
+    if (code < 0)
+	goto fsaved;
+    inst.id = gs_next_ids(1);
+    *pinst = inst;
+    pcc->pattern = pinst;
+    return 0;
+#undef mat
+  fsaved:gs_state_free(saved);
+  finst:gs_free_object(mem, pinst, "gs_makepattern");
+    return code;
+}
+/* Compute the stepping matrix and device space instance bounding box */
+/* from the step values and the saved matrix. */
+private int
+compute_inst_matrix(gs_pattern_instance * pinst, const gs_state * saved,
+		    gs_rect * pbbox)
+{
+    double xx = pinst->template.XStep * saved->ctm.xx;
+    double xy = pinst->template.XStep * saved->ctm.xy;
+    double yx = pinst->template.YStep * saved->ctm.yx;
+    double yy = pinst->template.YStep * saved->ctm.yy;
+
+    /* Adjust the stepping matrix so all coefficients are >= 0. */
+    if (xx == 0 || yy == 0) {	/* We know that both xy and yx are non-zero. */
+	double temp;
+
+	temp = xx, xx = yx, yx = temp;
+	temp = xy, xy = yy, yy = temp;
+    }
+    if (xx < 0)
+	xx = -xx, xy = -xy;
+    if (yy < 0)
+	yx = -yx, yy = -yy;
+    /* Now xx > 0, yy > 0. */
+    pinst->step_matrix.xx = xx;
+    pinst->step_matrix.xy = xy;
+    pinst->step_matrix.yx = yx;
+    pinst->step_matrix.yy = yy;
+    pinst->step_matrix.tx = saved->ctm.tx;
+    pinst->step_matrix.ty = saved->ctm.ty;
+    return gs_bbox_transform(&pinst->template.BBox, &ctm_only(saved),
+			     pbbox);
+}
+/* Free the saved gstate when freeing a Pattern instance. */
+private void
+rc_free_pattern_instance(gs_memory_t * mem, void *pinst_void,
+			 client_name_t cname)
+{
+    gs_pattern_instance *pinst = pinst_void;
+
+    gs_state_free(pinst->saved);
+    rc_free_struct_only(mem, pinst_void, cname);
+}
+
+/* setpattern */
+int
+gs_setpattern(gs_state * pgs, const gs_client_color * pcc)
+{
+    int code = gs_setpatternspace(pgs);
+
+    if (code < 0)
+	return code;
+    return gs_setcolor(pgs, pcc);
+}
+
+/* setpatternspace */
+/* This does all the work of setpattern except for the final setcolor. */
+int
+gs_setpatternspace(gs_state * pgs)
+{
+    int code = 0;
+
+    if (pgs->color_space->type->index != gs_color_space_index_Pattern) {
+	gs_color_space cs;
+
+	cs.params.pattern.base_space =
+	    *(gs_paint_color_space *) pgs->color_space;
+	cs.params.pattern.has_base_space = true;
+	cs.type = &gs_color_space_type_Pattern;
+	code = gs_setcolorspace(pgs, &cs);
+    }
+    return code;
+}
+
+/*
+ * Adjust the reference count of a pattern. This is intended to support
+ * applications (such as PCL) which maintain client colors outside of the
+ * graphic state. Since the pattern instance structure is opaque to these
+ * applications, they need some way to release or retain the instances as
+ * needed.
+ */
+void
+gs_pattern_reference(gs_client_color * pcc, int delta)
+{
+    if (pcc->pattern != 0)
+        rc_adjust(pcc->pattern, delta, "gs_pattern_reference");
+}
+
+/* getpattern */
+/* This is only intended for the benefit of pattern PaintProcs. */
+const gs_client_pattern *
+gs_getpattern(const gs_client_color * pcc)
+{
+    return &pcc->pattern->template;
+}
+
+/*
+ *  Code for generating patterns from bitmaps and pixmaps.
+ */
+
+/*
+ *  The following structures are realized here only because this is the
+ *  first location in which they were needed. Otherwise, there is nothing
+ *  about them that is specific to patterns.
+ */
+public_st_gs_bitmap();
+public_st_gs_tile_bitmap();
+public_st_gs_depth_bitmap();
+public_st_gs_tile_depth_bitmap();
+public_st_gx_strip_bitmap();
+
+/*
+ *  Structure for holding a gs_depth_bitmap and the corresponding depth and
+ *  colorspace information.
+ *
+ *  The free_proc pointer is needed to hold the original value of the pattern
+ *  instance free structure. This pointer in the pattern instance will be
+ *  overwritten with free_pixmap_pattern, which will free the pixmap info
+ *  structure when it is freed.
+ */
+typedef struct pixmap_info_s {
+    gs_depth_bitmap bitmap;	/* must be first */
+    const gs_color_space *pcspace;
+    uint white_index;
+    void (*free_proc)( gs_memory_t *, void *, client_name_t );
+} pixmap_info;
+
+gs_private_st_suffix_add1(st_pixmap_info,
+			  pixmap_info,
+			  "pixmap info. struct",
+			  pixmap_enum_ptr,
+			  pixmap_reloc_ptr,
+			  st_gs_depth_bitmap,
+			  pcspace
+);
+
+#define st_pixmap_info_max_ptrs (1 + st_tile_bitmap_max_ptrs)
+
+/*
+ *  Free routine for pattern instances created from pixmaps. This overwrites
+ *  the free procedure originally stored in the pattern instance, and stores
+ *  the pointer to that procedure in the pixmap_info structure. This procedure
+ *  will call the original procedure, then free the pixmap_info structure. 
+ *
+ *  Note that this routine does NOT release the data in the original pixmap;
+ *  that remains the responsibility of the client.
+ */
+  void
+free_pixmap_pattern(
+    gs_memory_t *           pmem,
+    void *                  pvpinst,
+    client_name_t           cname
+)
+{
+    gs_pattern_instance *   pinst = (gs_pattern_instance *)pvpinst;
+    const pixmap_info *     ppmap = pinst->template.client_data;
+
+    ppmap->free_proc(pmem, pvpinst, cname);
+    gs_free_object(pmem, (void *)ppmap, cname);
+}
+
+/*
+ *  PaintProcs for bitmap and pixmap patterns.
+ */
+private int bitmap_paint(P4(gs_image_enum * pen, gs_data_image_t * pim,
+			  const gs_depth_bitmap * pbitmap, gs_state * pgs));
+private int
+mask_PaintProc(const gs_client_color * pcolor, gs_state * pgs)
+{
+    const pixmap_info *ppmap = gs_getpattern(pcolor)->client_data;
+    const gs_depth_bitmap *pbitmap = &(ppmap->bitmap);
+    gs_image_enum *pen =
+    gs_image_enum_alloc(gs_state_memory(pgs), "mask_PaintProc");
+    gs_image1_t mask;
+
+    if (pen == 0)
+	return_error(gs_error_VMerror);
+    gs_image_t_init_mask(&mask, true);
+    mask.Width = pbitmap->size.x;
+    mask.Height = pbitmap->size.y;
+    gs_image_init(pen, &mask, false, pgs);
+    return bitmap_paint(pen, (gs_data_image_t *) & mask, pbitmap, pgs);
+}
+private int
+image_PaintProc(const gs_client_color * pcolor, gs_state * pgs)
+{
+    const pixmap_info *ppmap = gs_getpattern(pcolor)->client_data;
+    const gs_depth_bitmap *pbitmap = &(ppmap->bitmap);
+    gs_image_enum *pen =
+    gs_image_enum_alloc(gs_state_memory(pgs), "image_PaintProc");
+    const gs_color_space *pcspace =
+    (ppmap->pcspace == 0 ?
+     gs_cspace_DeviceGray((const gs_imager_state *)pgs) :
+     ppmap->pcspace);
+    gx_image_enum_common_t *pie;
+    gs_image4_t image;
+    int code;
+
+    if (pen == 0)
+	return_error(gs_error_VMerror);
+    gs_image4_t_init(&image, pcspace);
+    image.Width = pbitmap->size.x;
+    image.Height = pbitmap->size.y;
+    image.MaskColor_is_range = false;
+    image.MaskColor[0] = ppmap->white_index;
+    image.Decode[0] = 0;
+    image.Decode[1] = (1 << pbitmap->pix_depth) - 1;
+    image.BitsPerComponent = pbitmap->pix_depth;
+    /* backwards compatibility */
+    if (ppmap->pcspace == 0) {
+	image.Decode[0] = 1.0;
+	image.Decode[1] = 0.0;
+    }
+    code = gs_image_begin_typed((const gs_image_common_t *)&image, pgs,
+				false, &pie);
+    if (code < 0)
+	return code;
+    code = gs_image_common_init(pen, pie, (gs_data_image_t *) & image,
+				gs_state_memory(pgs),
+				(pgs->in_charpath ? NULL :
+				 gs_currentdevice_inline(pgs)));
+    if (code < 0)
+	return code;
+    return bitmap_paint(pen, (gs_data_image_t *) & image, pbitmap, pgs);
+}
+/* Finish painting any kind of bitmap pattern. */
+private int
+bitmap_paint(gs_image_enum * pen, gs_data_image_t * pim,
+	     const gs_depth_bitmap * pbitmap, gs_state * pgs)
+{
+    uint raster = pbitmap->raster;
+    uint nbytes = (pim->Width * pbitmap->pix_depth + 7) >> 3;
+    uint used;
+    const byte *dp = pbitmap->data;
+    int n;
+    int code = 0;
+
+    if (nbytes == raster)
+	code = gs_image_next(pen, dp, nbytes * pim->Height, &used);
+    else
+	for (n = pim->Height; n > 0 && code >= 0; dp += raster, --n)
+	    code = gs_image_next(pen, dp, nbytes, &used);
+    gs_image_cleanup(pen);
+    gs_free_object(gs_state_memory(pgs), pen, "bitmap_paint");
+    return code;
+}
+
+/*
+ * Make a pattern from a bitmap or pixmap. The pattern may be colored or
+ * uncolored, as determined by the mask operand. This code is intended
+ * primarily for use by PCL.
+ *
+ * See the comment prior to the declaration of this function in gscolor2.h
+ * for further information.
+ */
+int
+gs_makepixmappattern(
+			gs_client_color * pcc,
+			const gs_depth_bitmap * pbitmap,
+			bool mask,
+			const gs_matrix * pmat,
+			long id,
+			const gs_color_space * pcspace,
+			uint white_index,
+			gs_state * pgs,
+			gs_memory_t * mem
+)
+{
+
+    gs_client_pattern pat;
+    pixmap_info *ppmap;
+    gs_matrix mat, smat;
+    int code;
+
+    /* check that the data is legitimate */
+    if ((mask) || (pcspace == 0)) {
+	if (pbitmap->pix_depth != 1)
+	    return_error(gs_error_rangecheck);
+	pcspace = 0;
+    } else if (gs_color_space_get_index(pcspace) != gs_color_space_index_Indexed)
+	return_error(gs_error_rangecheck);
+    if (pbitmap->num_comps != 1)
+	return_error(gs_error_rangecheck);
+
+    /* allocate and initialize a pixmap_info structure for the paint proc */
+    if (mem == 0)
+	mem = gs_state_memory(pgs);
+    ppmap = gs_alloc_struct(mem,
+			    pixmap_info,
+			    &st_pixmap_info,
+			    "makepximappattern"
+	);
+    if (ppmap == 0)
+	return_error(gs_error_VMerror);
+    ppmap->bitmap = *pbitmap;
+    ppmap->pcspace = pcspace;
+    ppmap->white_index = white_index;
+
+    /* set up the client pattern structure */
+    uid_set_UniqueID(&pat.uid, (id == no_UniqueID) ? gs_next_ids(1) : id);
+    pat.PaintType = (mask ? 2 : 1);
+    pat.TilingType = 1;
+    pat.BBox.p.x = 0;
+    pat.BBox.p.y = 0;
+    pat.BBox.q.x = pbitmap->size.x;
+    pat.BBox.q.y = pbitmap->size.y;
+    pat.XStep = pbitmap->size.x;
+    pat.YStep = pbitmap->size.y;
+    pat.PaintProc = (mask ? mask_PaintProc : image_PaintProc);
+    pat.client_data = ppmap;
+
+    /* set the ctm to be the identity */
+    gs_currentmatrix(pgs, &smat);
+    gs_make_identity(&mat);
+    gs_setmatrix(pgs, &mat);
+
+    /* build the pattern, restore the previous matrix */
+    if (pmat == NULL)
+	pmat = &mat;
+    if ((code = gs_makepattern(pcc, &pat, pmat, pgs, mem)) != 0)
+	gs_free_object(mem, ppmap, "makebitmappattern_xform");
+    else {
+	/*
+	 * If this is not a masked pattern and if the white pixel index
+	 * is outside of the representable range, we don't need to go to
+	 * the trouble of accumulating a mask that will just be all 1s.
+	 */
+	if (!mask && (white_index >= (1 << pbitmap->pix_depth)))
+	    pcc->pattern->uses_mask = false;
+
+        /* overwrite the free procedure for the pattern instance */
+        ppmap->free_proc = pcc->pattern->rc.free;
+        pcc->pattern->rc.free = free_pixmap_pattern;
+    }
+    gs_setmatrix(pgs, &smat);
+    return code;
+}
+
+/*
+ *  Backwards compatibility.
+ */
+int
+gs_makebitmappattern_xform(
+			      gs_client_color * pcc,
+			      const gx_tile_bitmap * ptile,
+			      bool mask,
+			      const gs_matrix * pmat,
+			      long id,
+			      gs_state * pgs,
+			      gs_memory_t * mem
+)
+{
+    gs_depth_bitmap bitmap;
+
+    /* build the bitmap the size of one repetition */
+    bitmap.data = ptile->data;
+    bitmap.raster = ptile->raster;
+    bitmap.size.x = ptile->rep_width;
+    bitmap.size.y = ptile->rep_height;
+    bitmap.id = ptile->id;	/* shouldn't matter */
+    bitmap.pix_depth = 1;
+    bitmap.num_comps = 1;
+
+    return gs_makepixmappattern(pcc, &bitmap, mask, pmat, id, 0, 0, pgs, mem);
+}
+
+
+/* ------ Color space implementation ------ */
+
+/*
+ * Defined the Pattern device color types.  We need a masked analogue of
+ * each of the non-pattern types, to handle uncolored patterns.  We use
+ * 'masked_fill_rect' instead of 'masked_fill_rectangle' in order to limit
+ * identifier lengths to 32 characters.
+ */
+private dev_color_proc_load(gx_dc_pattern_load);
+/*dev_color_proc_fill_rectangle(gx_dc_pattern_fill_rectangle); *//*gxp1fill.h */
+private dev_color_proc_equal(gx_dc_pattern_equal);
+private dev_color_proc_load(gx_dc_pure_masked_load);
+
+/*dev_color_proc_fill_rectangle(gx_dc_pure_masked_fill_rect); *//*gxp1fill.h */
+private dev_color_proc_equal(gx_dc_pure_masked_equal);
+private dev_color_proc_load(gx_dc_binary_masked_load);
+
+/*dev_color_proc_fill_rectangle(gx_dc_binary_masked_fill_rect); *//*gxp1fill.h */
+private dev_color_proc_equal(gx_dc_binary_masked_equal);
+private dev_color_proc_load(gx_dc_colored_masked_load);
+
+/*dev_color_proc_fill_rectangle(gx_dc_colored_masked_fill_rect); *//*gxp1fill.h */
+private dev_color_proc_equal(gx_dc_colored_masked_equal);
+
+/* The device color types are exported for gxpcmap.c. */
+gs_private_st_composite(st_dc_pattern, gx_device_color, "dc_pattern",
+			dc_pattern_enum_ptrs, dc_pattern_reloc_ptrs);
+const gx_device_color_type_t gx_dc_pattern = {
+    &st_dc_pattern,
+    gx_dc_pattern_load, gx_dc_pattern_fill_rectangle,
+    gx_dc_default_fill_masked, gx_dc_pattern_equal
+};
+
+extern_st(st_dc_ht_binary);
+gs_private_st_composite(st_dc_pure_masked, gx_device_color, "dc_pure_masked",
+			dc_masked_enum_ptrs, dc_masked_reloc_ptrs);
+const gx_device_color_type_t gx_dc_pure_masked = {
+    &st_dc_pure_masked,
+    gx_dc_pure_masked_load, gx_dc_pure_masked_fill_rect,
+    gx_dc_default_fill_masked, gx_dc_pure_masked_equal
+};
+
+gs_private_st_composite(st_dc_binary_masked, gx_device_color,
+			"dc_binary_masked", dc_binary_masked_enum_ptrs,
+			dc_binary_masked_reloc_ptrs);
+const gx_device_color_type_t gx_dc_binary_masked = {
+    &st_dc_binary_masked,
+    gx_dc_binary_masked_load, gx_dc_binary_masked_fill_rect,
+    gx_dc_default_fill_masked, gx_dc_binary_masked_equal
+};
+
+gs_private_st_composite_only(st_dc_colored_masked, gx_device_color,
+			     "dc_colored_masked",
+			     dc_masked_enum_ptrs, dc_masked_reloc_ptrs);
+const gx_device_color_type_t gx_dc_colored_masked = {
+    &st_dc_colored_masked,
+    gx_dc_colored_masked_load, gx_dc_colored_masked_fill_rect,
+    gx_dc_default_fill_masked, gx_dc_colored_masked_equal
+};
+
+#undef gx_dc_type_pattern
+const gx_device_color_type_t *const gx_dc_type_pattern = &gx_dc_pattern;
+#define gx_dc_type_pattern (&gx_dc_pattern)
+
+/* GC procedures */
+#define cptr ((gx_device_color *)vptr)
+private 
+ENUM_PTRS_BEGIN(dc_pattern_enum_ptrs)
+{
+    return ENUM_USING(st_dc_pure_masked, vptr, size, index - 1);
+}
+case 0:
+{
+    gx_color_tile *tile = cptr->colors.pattern.p_tile;
+
+    ENUM_RETURN((tile == 0 ? tile : tile - tile->index));
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(dc_pattern_reloc_ptrs)
+{
+    gx_color_tile *tile = cptr->colors.pattern.p_tile;
+
+    if (tile != 0) {
+	uint index = tile->index;
+
+	RELOC_TYPED_OFFSET_PTR(gx_device_color, colors.pattern.p_tile, index);
+    }
+    RELOC_USING(st_dc_pure_masked, vptr, size);
+}
+RELOC_PTRS_END
+private ENUM_PTRS_BEGIN(dc_masked_enum_ptrs) ENUM_SUPER(gx_device_color, st_client_color, mask.ccolor, 1);
+case 0:
+{
+    gx_color_tile *mask = cptr->mask.m_tile;
+
+    ENUM_RETURN((mask == 0 ? mask : mask - mask->index));
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(dc_masked_reloc_ptrs)
+{
+    gx_color_tile *mask = cptr->mask.m_tile;
+
+    RELOC_SUPER(gx_device_color, st_client_color, mask.ccolor);
+    if (mask != 0) {
+	uint index = mask->index;
+
+	RELOC_TYPED_OFFSET_PTR(gx_device_color, mask.m_tile, index);
+    }
+}
+RELOC_PTRS_END
+private ENUM_PTRS_BEGIN(dc_binary_masked_enum_ptrs)
+{
+    return ENUM_USING(st_dc_ht_binary, vptr, size, index - 2);
+}
+case 0:
+case 1:
+return ENUM_USING(st_dc_pure_masked, vptr, size, index);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(dc_binary_masked_reloc_ptrs)
+{
+    RELOC_USING(st_dc_pure_masked, vptr, size);
+    RELOC_USING(st_dc_ht_binary, vptr, size);
+}
+RELOC_PTRS_END
+#undef cptr
+
+/* Macros for pattern loading */
+#define FINISH_PATTERN_LOAD\
+	while ( !gx_pattern_cache_lookup(pdevc, pis, dev, select) )\
+	 { code = gx_pattern_load(pdevc, pis, dev, select);\
+	   if ( code < 0 ) break;\
+	 }\
+	return code;
+
+/* Ensure that a colored Pattern is loaded in the cache. */
+private int
+gx_dc_pattern_load(gx_device_color * pdevc, const gs_imager_state * pis,
+		   gx_device * dev, gs_color_select_t select)
+{
+    int code = 0;
+
+    FINISH_PATTERN_LOAD
+}
+/* Ensure that an uncolored Pattern is loaded in the cache. */
+private int
+gx_dc_pure_masked_load(gx_device_color * pdevc, const gs_imager_state * pis,
+		       gx_device * dev, gs_color_select_t select)
+{
+    int code = (*gx_dc_type_data_pure.load) (pdevc, pis, dev, select);
+
+    if (code < 0)
+	return code;
+    FINISH_PATTERN_LOAD
+}
+private int
+gx_dc_binary_masked_load(gx_device_color * pdevc, const gs_imager_state * pis,
+			 gx_device * dev, gs_color_select_t select)
+{
+    int code = (*gx_dc_type_data_ht_binary.load) (pdevc, pis, dev, select);
+
+    if (code < 0)
+	return code;
+    FINISH_PATTERN_LOAD
+}
+private int
+gx_dc_colored_masked_load(gx_device_color * pdevc, const gs_imager_state * pis,
+			  gx_device * dev, gs_color_select_t select)
+{
+    int code = (*gx_dc_type_data_ht_colored.load) (pdevc, pis, dev, select);
+
+    if (code < 0)
+	return code;
+    FINISH_PATTERN_LOAD
+}
+
+/* Look up a pattern color in the cache. */
+bool
+gx_pattern_cache_lookup(gx_device_color * pdevc, const gs_imager_state * pis,
+			gx_device * dev, gs_color_select_t select)
+{
+    gx_pattern_cache *pcache = pis->pattern_cache;
+    gx_bitmap_id id = pdevc->mask.id;
+
+    if (id == gx_no_bitmap_id) {
+	color_set_null_pattern(pdevc);
+	return true;
+    }
+    if (pcache != 0) {
+	gx_color_tile *ctile = &pcache->tiles[id % pcache->num_tiles];
+
+	if (ctile->id == id &&
+	    (pdevc->type != &gx_dc_pattern ||
+	     ctile->depth == dev->color_info.depth)
+	    ) {
+	    int px = pis->screen_phase[select].x;
+	    int py = pis->screen_phase[select].y;
+
+	    if (pdevc->type == &gx_dc_pattern) {	/* colored */
+		pdevc->colors.pattern.p_tile = ctile;
+		color_set_phase_mod(pdevc, px, py,
+				    ctile->tbits.rep_width,
+				    ctile->tbits.rep_height);
+	    }
+	    pdevc->mask.m_tile =
+		(ctile->tmask.data == 0 ? (gx_color_tile *) 0 :
+		 ctile);
+	    pdevc->mask.m_phase.x = -px;
+	    pdevc->mask.m_phase.y = -py;
+	    return true;
+	}
+    }
+    return false;
+}
+
+#undef FINISH_PATTERN_LOAD
+
+/* Compare two Pattern colors for equality. */
+private bool
+gx_dc_pattern_equal(const gx_device_color * pdevc1,
+		    const gx_device_color * pdevc2)
+{
+    return pdevc2->type == pdevc1->type &&
+	pdevc1->phase.x == pdevc2->phase.x &&
+	pdevc1->phase.y == pdevc2->phase.y &&
+	pdevc1->mask.id == pdevc2->mask.id;
+}
+private bool
+gx_dc_pure_masked_equal(const gx_device_color * pdevc1,
+			const gx_device_color * pdevc2)
+{
+    return (*gx_dc_type_pure->equal) (pdevc1, pdevc2) &&
+	pdevc1->mask.id == pdevc2->mask.id;
+}
+private bool
+gx_dc_binary_masked_equal(const gx_device_color * pdevc1,
+			  const gx_device_color * pdevc2)
+{
+    return (*gx_dc_type_ht_binary->equal) (pdevc1, pdevc2) &&
+	pdevc1->mask.id == pdevc2->mask.id;
+}
+private bool
+gx_dc_colored_masked_equal(const gx_device_color * pdevc1,
+			   const gx_device_color * pdevc2)
+{
+    return (*gx_dc_type_ht_colored->equal) (pdevc1, pdevc2) &&
+	pdevc1->mask.id == pdevc2->mask.id;
+}
+
+/*
+ * Get the number of components in a Pattern color.
+ * For backward compatibility, and to distinguish Pattern color spaces
+ * from all others, we negate the result.
+ */
+private int
+gx_num_components_Pattern(const gs_color_space * pcs)
+{
+    return
+	(pcs->params.pattern.has_base_space ?
+	 -1 - cs_num_components((const gs_color_space *)
+				&(pcs->params.pattern.base_space)) :
+	 -1 /* Pattern dictionary only */ );
+}
+
+/* Get the base space of a Pattern color space. */
+private const gs_color_space *
+gx_base_space_Pattern(const gs_color_space * pcs)
+{
+    return
+	(pcs->params.pattern.has_base_space ?
+	 (const gs_color_space *)&(pcs->params.pattern.base_space) :
+	 NULL);
+}
+
+/* Initialize a Pattern color. */
+private void
+gx_init_Pattern(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    if (pcs->params.pattern.has_base_space) {
+	const gs_color_space *pbcs =
+	(const gs_color_space *)&pcs->params.pattern.base_space;
+
+	cs_init_color(pcc, pbcs);
+    }
+    /*pcc->pattern = 0; *//* cs_full_init_color handles this */
+}
+
+/* Force a Pattern color into legal range. */
+/* Note that if the pattern is uncolored (PaintType = 2), */
+/* the color space must have a base space: we check this here only */
+/* to prevent accessing uninitialized data, but if there is no base space, */
+/* it is an error that we count on being detected elsewhere. */
+private void
+gx_restrict_Pattern(gs_client_color * pcc, const gs_color_space * pcs)
+{
+    if (pcc->pattern->template.PaintType == 2 &&
+	pcs->params.pattern.has_base_space
+	) {
+	const gs_color_space *pbcs =
+	    (const gs_color_space *)&pcs->params.pattern.base_space;
+
+	(*pbcs->type->restrict_color) (pcc, pbcs);
+    }
+}
+
+/* Install a Pattern color space. */
+private int
+gx_install_Pattern(gs_color_space * pcs, gs_state * pgs)
+{
+    if (!pcs->params.pattern.has_base_space)
+	return 0;
+    return (*pcs->params.pattern.base_space.type->install_cspace)
+	((gs_color_space *) & pcs->params.pattern.base_space, pgs);
+}
+
+/* Adjust the reference counts for Pattern color spaces or colors. */
+private void
+gx_adjust_cspace_Pattern(const gs_color_space * pcs, int delta)
+{
+    if (pcs->params.pattern.has_base_space)
+	(*pcs->params.pattern.base_space.type->adjust_cspace_count)
+	    ((const gs_color_space *)&pcs->params.pattern.base_space, delta);
+}
+
+private void
+gx_adjust_color_Pattern(const gs_client_color * pcc,
+			const gs_color_space * pcs, int delta)
+{
+    gs_pattern_instance *pinst = pcc->pattern;
+
+    rc_adjust_only(pinst, delta, "gx_adjust_color_Pattern");
+    if (pcs && pcs->params.pattern.has_base_space)
+	(*pcs->params.pattern.base_space.type->adjust_color_count)
+	    (pcc, (const gs_color_space *)&pcs->params.pattern.base_space,
+	     delta);
+}
+
+/* GC procedures */
+
+#define pcs ((gs_color_space *)vptr)
+
+private 
+ENUM_PTRS_BEGIN_PROC(cs_Pattern_enum_ptrs)
+{
+    if (!pcs->params.pattern.has_base_space)
+	return 0;
+    return ENUM_USING(*pcs->params.pattern.base_space.type->stype,
+		      &pcs->params.pattern.base_space,
+		      sizeof(pcs->params.pattern.base_space), index);
+}
+ENUM_PTRS_END_PROC
+private RELOC_PTRS_BEGIN(cs_Pattern_reloc_ptrs)
+{
+    if (!pcs->params.pattern.has_base_space)
+	return;
+    RELOC_USING(*pcs->params.pattern.base_space.type->stype,
+		&pcs->params.pattern.base_space,
+		sizeof(gs_paint_color_space));
+}
+RELOC_PTRS_END
+
+#undef pcs
diff --git a/pstoraster/gspcolor.h b/pstoraster/gspcolor.h
new file mode 100644
index 000000000..fb6ad3f38
--- /dev/null
+++ b/pstoraster/gspcolor.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to Pattern color */
+
+#ifndef gspcolor_INCLUDED
+#  define gspcolor_INCLUDED
+
+#include "gsccolor.h"
+#include "gsuid.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/*
+ * Unfortunately, we defined the gs_client_pattern structure before we
+ * realized that we would have to accommodate multiple PatternTypes.
+ * Consequently, we distinguish the different PatternTypes with a hack.
+ * We know that PatternType 1 patterns always have a positive PaintType.
+ * Therefore, we overlay the PaintType field of PatternType 1 patterns
+ * with the negative of the PatternType for generalized patterns.
+ * This allows us to distinguish PatternType 1 patterns from all others.
+ * This is a really bad hack, but doing anything else would require
+ * a non-backward-compatible change for clients, since we didn't
+ * require clients to use a procedure to initialize Patterns (another
+ * mistake, in retrospect, which we've now also fixed).
+ */
+
+/* General pattern template (called "prototype pattern" in Red Book) */
+typedef struct gs_pattern_type_s gs_pattern_type_t;
+
+#define gs_pattern_template_common\
+  gs_uid uid;		/* must be first in case we ever subclass properly */\
+  int negPatternType;	/* overlays PaintType, see above */\
+  const gs_pattern_type_t *type
+#define PatternType(ppt)\
+  ((ppt)->negPatternType < 0 ? -(ppt)->negPatternType : 1)
+typedef struct gs_pattern_template_s {
+    gs_pattern_template_common;
+} gs_pattern_template_t;
+
+/* ---------------- Procedures ---------------- */
+
+/* Set a Pattern color or a Pattern color space. */
+int gs_setpattern(P2(gs_state *, const gs_client_color *));
+int gs_setpatternspace(P1(gs_state *));
+
+/*
+ * The gs_memory_t argument for gs_make_pattern may be NULL, meaning use the
+ * same allocator as for the gs_state argument.  Note that gs_make_pattern
+ * uses rc_alloc_struct_1 to allocate pattern instances.
+ */
+int gs_make_pattern(P5(gs_client_color *, const gs_pattern_template_t *,
+		       const gs_matrix *, gs_state *, gs_memory_t *));
+const gs_pattern_template_t *gs_get_pattern(P1(const gs_client_color *));
+
+/*
+ * Adjust the reference count of a pattern. This is intended to support
+ * applications (such as PCL) which maintain client colors outside of the
+ * graphic state. Since the pattern instance structure is opaque to these
+ * applications, they need some way to release or retain the instances as
+ * needed.
+ */
+void gs_pattern_reference(P2(gs_client_color * pcc, int delta));
+
+#endif /* gspcolor_INCLUDED */
diff --git a/pstoraster/gspenum.h b/pstoraster/gspenum.h
new file mode 100644
index 000000000..935a25160
--- /dev/null
+++ b/pstoraster/gspenum.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common definitions for client interface to path enumeration */
+
+#ifndef gspenum_INCLUDED
+#  define gspenum_INCLUDED
+
+/* Define the path element types. */
+#define gs_pe_moveto 1
+#define gs_pe_lineto 2
+#define gs_pe_curveto 3
+#define gs_pe_closepath 4
+
+/* Define an abstract type for the path enumerator. */
+typedef struct gs_path_enum_s gs_path_enum;
+
+#endif /* gspenum_INCLUDED */
diff --git a/pstoraster/gspmdrv.h b/pstoraster/gspmdrv.h
new file mode 100644
index 000000000..3e050cebf
--- /dev/null
+++ b/pstoraster/gspmdrv.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1992, 1993, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions common to gspmdrv.c and gspmdrv.rc */
+
+#ifndef gspmdrv_INCLUDED
+#  define gspmdrv_INCLUDED
+
+#define GSPMDRV_VERSION "1994-02-09"
+
+#define IDM_ABOUT 5
+#define IDM_COPY  6
+
+#define IDD_ABOUT IDM_ABOUT
+
+#define ID_GSPMDRV 1000
+
+#endif /* gspmdrv_INCLUDED */
diff --git a/pstoraster/gsptype1.h b/pstoraster/gsptype1.h
new file mode 100644
index 000000000..38e81b3ba
--- /dev/null
+++ b/pstoraster/gsptype1.h
@@ -0,0 +1,143 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to PatternType 1 Patterns */
+
+#ifndef gsptype1_INCLUDED
+#  define gsptype1_INCLUDED
+
+#include "gspcolor.h"
+#include "gxbitmap.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/* PatternType 1 template */
+typedef struct gs_pattern1_template_s {
+    gs_uid uid;			/* must be first, see gspcolor.h */
+    int PaintType;		/* must be second, ditto */
+    int TilingType;
+    gs_rect BBox;
+    float XStep;
+    float YStep;
+    int (*PaintProc) (P2(const gs_client_color *, gs_state *));
+    void *client_data;		/* additional client data */
+} gs_pattern1_template_t;
+
+#define private_st_pattern1_template() /* in gspcolor.c */\
+  gs_private_st_ptrs2(st_pattern1_template, gs_pattern1_template_t,\
+    "PatternType 1 template", pattern_template_enum_ptrs,\
+    pattern1_template_reloc_ptrs, uid.xvalues, client_data)
+/* Backward compatibility */
+typedef gs_pattern1_template_t gs_client_pattern;
+
+/* ---------------- Procedures ---------------- */
+
+/*
+ * Construct a PatternType 1 Pattern color space.  If the base space is
+ * NULL, the color space can only be used with colored patterns.
+ */
+extern int gs_cspace_build_Pattern1(
+				       gs_color_space ** ppcspace,
+				       const gs_color_space * pbase_cspace,
+				       gs_memory_t * pmem
+);
+
+/* Initialize a PatternType 1 pattern. */
+void gs_pattern1_init(P1(gs_pattern1_template_t *));
+
+#define gs_client_pattern_init(ppat) gs_pattern1_init(ppat)
+
+/*
+ * Define versions of make_pattern and get_pattern specifically for
+ * PatternType 1 patterns.
+ *
+ * The gs_memory_t argument for gs_makepattern may be NULL, meaning use the
+ * same allocator as for the gs_state argument.  Note that gs_makepattern
+ * uses rc_alloc_struct_1 to allocate pattern instances.
+ */
+int gs_makepattern(P5(gs_client_color *, const gs_client_pattern *,
+		      const gs_matrix *, gs_state *, gs_memory_t *));
+const gs_client_pattern *gs_getpattern(P1(const gs_client_color *));
+
+/*
+ * Make a pattern from a bitmap or pixmap. The pattern may be colored or
+ * uncolored, as determined by the mask operand. This code is intended
+ * primarily for use by PCL.
+ *
+ * By convention, if pmat is null the identity matrix will be used, and if
+ * id is no_UniqueID the code will assign a unique id. Thes conventions allow
+ * gs_makebitmappattern to be implemented as a macro. Also, if mem is a
+ * null pointer, the memory allocator for the graphic state is used.
+ *
+ * For mask patterns, pix_depth must be 1, while pcspace and white_index are
+ * ignored; the polarity of the mask considers ones part of the mask, while
+ * zeros are not. For colored patterns pspace must point to an indexed color
+ * space and the image must used the canoncial Decode array for this color
+ * space. For both cases no interpolation or adjustment is provided.
+ *
+ * For backwards compatibility, if mask is false, pcspace is null, and
+ * pix_depth is 1, the pattern will be rendered with a color space that maps
+ * 0 to white and 1 to black.
+ *
+ * The image must be described by a gx_tile_bitmap structure (this is actually
+ * somewhat awkward, but the only option available at the moment), and the
+ * pattern step will exactly match the image size. The client need not maintain
+ * the gx_tile_bitmap structure after the completion of this call, but the
+ * raw image data itself must be kept until the pattern is no longer needed.
+ *
+ * NB: For proper handling of transparency in PCL, there must be only a single
+ *     white value accessed by the pattern image. If the palette contains
+ *     multiple white values, the PCL component must remap the image data to
+ *     ensure that all white indices are mapped to the single, given white
+ *     index.
+ */
+extern int gs_makepixmappattern(gs_client_color * pcc,
+				const gs_depth_bitmap * pbitmap,
+				bool mask,
+				const gs_matrix * pmat,
+				long id,
+				const gs_color_space * pcspace,
+				uint white_index,
+				gs_state * pgs,
+				gs_memory_t * mem
+);
+
+/*
+ *  Backwards compatibility feature, to allow the existing
+ *  gs_makebitmappattern operation to still function.
+ */
+extern int gs_makebitmappattern_xform(gs_client_color * pcc,
+				      const gx_tile_bitmap * ptile,
+				      bool mask,
+				      const gs_matrix * pmat,
+				      long id,
+				      gs_state * pgs,
+				      gs_memory_t * mem
+);
+
+#define gs_makebitmappattern(pcc, tile, mask, pgs, mem)                 \
+    gs_makebitmappattern_xform(pcc, tile, mask, 0, no_UniqueID, pgs, mem)
+
+#endif /* gsptype1_INCLUDED */
diff --git a/pstoraster/gsptype2.h b/pstoraster/gsptype2.h
new file mode 100644
index 000000000..4dc1d5929
--- /dev/null
+++ b/pstoraster/gsptype2.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to PatternType 2 Patterns */
+
+#ifndef gsptype2_INCLUDED
+#  define gsptype2_INCLUDED
+
+#include "gspcolor.h"
+
+/* ---------------- Types and structures ---------------- */
+
+#ifndef gs_shading_t_DEFINED
+#  define gs_shading_t_DEFINED
+typedef struct gs_shading_s gs_shading_t;
+
+#endif
+
+/* PatternType 2 template */
+typedef struct gs_pattern2_template_s {
+    gs_pattern_template_common;
+    const gs_shading_t *Shading;
+} gs_pattern2_template_t;
+
+/* ---------------- Procedures ---------------- */
+
+/* Initialize a PatternType 2 pattern. */
+void gs_pattern2_init(P1(gs_pattern2_template_t *));
+
+#endif /* gsptype2_INCLUDED */
diff --git a/pstoraster/gsrect.h b/pstoraster/gsrect.h
new file mode 100644
index 000000000..6fad11ad5
--- /dev/null
+++ b/pstoraster/gsrect.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Rectangle utilities */
+
+#ifndef gsrect_INCLUDED
+#  define gsrect_INCLUDED
+
+/* Check whether one rectangle is included entirely within another. */
+#define rect_within(inner, outer)\
+  (inner.q.y <= outer.q.y && inner.q.x <= outer.q.x &&\
+   inner.p.y >= outer.p.y && inner.p.x >= outer.p.x)
+
+/*
+ * Intersect two rectangles, replacing the first.  The result may be
+ * anomalous (q < p) if the intersection is empty.
+ */
+#define rect_intersect(to, from)\
+  BEGIN\
+    if ( from.p.x > to.p.x ) to.p.x = from.p.x;\
+    if ( from.q.x < to.q.x ) to.q.x = from.q.x;\
+    if ( from.p.y > to.p.y ) to.p.y = from.p.y;\
+    if ( from.q.y < to.q.y ) to.q.y = from.q.y;\
+  END
+
+/*
+ * Calculate the difference of two rectangles, a list of up to 4 rectangles.
+ * Return the number of rectangles in the list, and set the first rectangle
+ * to the intersection.  The resulting first rectangle is guaranteed not to
+ * be anomalous (q < p) iff it was not anomalous originally.
+ *
+ * Note that unlike the macros above, we need different versions of this
+ * depending on the data type of the individual values: we'll only implement
+ * the variations that we need.
+ */
+int int_rect_difference(P3(gs_int_rect * outer, const gs_int_rect * inner,
+			   gs_int_rect * diffs /*[4] */ ));
+
+#endif /* gsrect_INCLUDED */
diff --git a/pstoraster/gsrefct.h b/pstoraster/gsrefct.h
new file mode 100644
index 000000000..49e536eaf
--- /dev/null
+++ b/pstoraster/gsrefct.h
@@ -0,0 +1,148 @@
+/* Copyright (C) 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Reference counting definitions */
+
+#ifndef gsrefct_INCLUDED
+#  define gsrefct_INCLUDED
+
+/*
+ * A reference-counted object must include the following header:
+ *      rc_header rc;
+ * The header need not be the first element of the object.
+ */
+typedef struct rc_header_s rc_header;
+struct rc_header_s {
+    long ref_count;
+    gs_memory_t *memory;
+#define rc_free_proc(proc)\
+  void proc(P3(gs_memory_t *, void *, client_name_t))
+                rc_free_proc((*free));
+};
+
+/* ------ Allocate/free ------ */
+
+rc_free_proc(rc_free_struct_only);
+/* rc_init[_free] is only used to initialize stack-allocated structures. */
+#define rc_init_free(vp, mem, rcinit, proc)\
+  ((vp)->rc.ref_count = rcinit,\
+   (vp)->rc.memory = mem,\
+   (vp)->rc.free = proc)
+#define rc_init(vp, mem, rcinit)\
+  rc_init_free(vp, mem, rcinit, rc_free_struct_only)
+
+#define rc_alloc_struct_n(vp, typ, pstyp, mem, errstat, cname, rcinit)\
+  BEGIN\
+    if ( ((vp) = gs_alloc_struct(mem, typ, pstyp, cname)) == 0 ) {\
+      errstat;\
+    } else {\
+      rc_init(vp, mem, rcinit);\
+    }\
+  END
+#define rc_alloc_struct_0(vp, typ, pstype, mem, errstat, cname)\
+  rc_alloc_struct_n(vp, typ, pstype, mem, errstat, cname, 0)
+#define rc_alloc_struct_1(vp, typ, pstype, mem, errstat, cname)\
+  rc_alloc_struct_n(vp, typ, pstype, mem, errstat, cname, 1)
+
+#define rc_free_struct(vp, cname)\
+  (*(vp)->rc.free)((vp)->rc.memory, (void *)(vp), cname)
+
+/* ------ Reference counting ------ */
+
+/* Increment a reference count. */
+#define rc_increment(vp)\
+  BEGIN if ( (vp) != 0 ) (vp)->rc.ref_count++; END
+
+/* Increment a reference count, allocating the structure if necessary. */
+#define rc_allocate_struct(vp, typ, pstype, mem, errstat, cname)\
+  BEGIN\
+    if ( (vp) != 0 )\
+      (vp)->rc.ref_count++;\
+    else\
+      rc_alloc_struct_1(vp, typ, pstype, mem, errstat, cname);\
+  END
+
+/* Guarantee that a structure is allocated and is not shared. */
+#define rc_unshare_struct(vp, typ, pstype, mem, errstat, cname)\
+  BEGIN\
+    if ( (vp) == 0 || (vp)->rc.ref_count > 1 || (vp)->rc.memory != (mem) ) {\
+      typ *new;\
+      rc_alloc_struct_1(new, typ, pstype, mem, errstat, cname);\
+      if ( vp ) (vp)->rc.ref_count--;\
+      (vp) = new;\
+    }\
+  END
+
+/* Adjust a reference count either up or down. */
+#ifdef DEBUG
+#  define rc_check_(vp)\
+     BEGIN\
+       if ( gs_debug_c('?') && (vp) != 0 && (vp)->rc.ref_count < 0 )\
+	 lprintf2("0x%lx has ref_count of %ld!\n", (ulong)(vp),\
+		  (vp)->rc.ref_count);\
+     END
+#else
+#  define rc_check_(vp) DO_NOTHING
+#endif
+#define rc_adjust_(vp, delta, cname, body)\
+  BEGIN\
+    if ( (vp) != 0 && !((vp)->rc.ref_count += delta) ) {\
+      rc_free_struct(vp, cname);\
+      body;\
+    } else\
+      rc_check_(vp);\
+  END
+#define rc_adjust(vp, delta, cname)\
+  rc_adjust_(vp, delta, cname, (vp) = 0)
+#define rc_adjust_only(vp, delta, cname)\
+  rc_adjust_(vp, delta, cname, DO_NOTHING)
+#define rc_adjust_const(vp, delta, cname)\
+  rc_adjust_only(vp, delta, cname)
+#define rc_decrement(vp, cname)\
+  rc_adjust(vp, -1, cname)
+#define rc_decrement_only(vp, cname)\
+  rc_adjust_only(vp, -1, cname)
+
+/* Assign a pointer, adjusting reference counts. */
+#define rc_assign(vpto, vpfrom, cname)\
+  BEGIN\
+    if ( (vpto) != (vpfrom) ) {\
+      rc_decrement_only(vpto, cname);\
+      (vpto) = (vpfrom);\
+      rc_increment(vpto);\
+    }\
+  END
+/* Adjust reference counts for assigning a pointer, */
+/* but don't do the assignment.  We use this before assigning */
+/* an entire structure containing reference-counted pointers. */
+#define rc_pre_assign(vpto, vpfrom, cname)\
+  BEGIN\
+    if ( (vpto) != (vpfrom) ) {\
+      rc_decrement_only(vpto, cname);\
+      rc_increment(vpfrom);\
+    }\
+  END
+
+#endif /* gsrefct_INCLUDED */
diff --git a/pstoraster/gsrop.h b/pstoraster/gsrop.h
new file mode 100644
index 000000000..7f524ebf4
--- /dev/null
+++ b/pstoraster/gsrop.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* RasterOp / transparency procedure interface */
+
+#ifndef gsrop_INCLUDED
+#  define gsrop_INCLUDED
+
+#include "gsropt.h"
+
+/* Procedural interface */
+
+int gs_setrasterop(P2(gs_state *, gs_rop3_t));
+gs_rop3_t gs_currentrasterop(P1(const gs_state *));
+int gs_setsourcetransparent(P2(gs_state *, bool));
+bool gs_currentsourcetransparent(P1(const gs_state *));
+int gs_settexturetransparent(P2(gs_state *, bool));
+bool gs_currenttexturetransparent(P1(const gs_state *));
+
+/* Save/restore the combined logical operation. */
+gs_logical_operation_t gs_current_logical_op(P1(const gs_state *));
+int gs_set_logical_op(P2(gs_state *, gs_logical_operation_t));
+
+#endif /* gsrop_INCLUDED */
diff --git a/pstoraster/gsropc.h b/pstoraster/gsropc.h
new file mode 100644
index 000000000..c67fa89a9
--- /dev/null
+++ b/pstoraster/gsropc.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* RasterOp-compositing interface */
+
+#ifndef gsropc_INCLUDED
+#  define gsropc_INCLUDED
+
+#include "gscompt.h"
+#include "gsropt.h"
+
+/*
+ * Define parameters for RasterOp-compositing.
+ * There are two kinds of RasterOp compositing operations.
+ * If texture == 0, the input data are the texture, and the source is
+ * implicitly all 0 (black).  If texture != 0, it defines the texture,
+ * and the input data are the source.  Note that in the latter case,
+ * the client (the caller of gs_create_composite_rop) promises that
+ * *texture will not change.
+ */
+
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+
+typedef struct gs_composite_rop_params_s {
+    gs_logical_operation_t log_op;
+    const gx_device_color *texture;
+} gs_composite_rop_params_t;
+
+/* Create a RasterOp-compositing object. */
+int gs_create_composite_rop(P3(gs_composite_t ** ppcte,
+			       const gs_composite_rop_params_t * params,
+			       gs_memory_t * mem));
+
+#endif /* gsropc_INCLUDED */
diff --git a/pstoraster/gsropt.h b/pstoraster/gsropt.h
new file mode 100644
index 000000000..124a6b27f
--- /dev/null
+++ b/pstoraster/gsropt.h
@@ -0,0 +1,195 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* RasterOp / transparency type definitions */
+
+#ifndef gsropt_INCLUDED
+#  define gsropt_INCLUDED
+
+/*
+ * This file defines the types for some library extensions that are
+ * motivated by PCL5 and also made available for PostScript:
+ * RasterOp, source and pattern white-pixel transparency, and
+ * per-pixel "render algorithm" information.
+ */
+
+/*
+ * By the magic of Boolean algebra, we can operate on the rop codes using
+ * Boolean operators and get the right result.  E.g., the value of
+ * (rop3_S & rop3_D) is the rop3 code for S & D.  We just have to remember
+ * to mask results with rop2_1 or rop3_1 if necessary.
+ */
+
+/* 2-input RasterOp */
+typedef enum {
+    rop2_0 = 0,
+    rop2_S = 0xc,		/* source */
+#define rop2_S_shift 2
+    rop2_D = 0xa,		/* destination */
+#define rop2_D_shift 1
+    rop2_1 = 0xf,
+#define rop2_operand(shift, d, s)\
+  ((shift) == 2 ? (s) : (d))
+    rop2_default = rop2_S
+} gs_rop2_t;
+
+/*
+ * For the 3-input case, we follow H-P's inconsistent terminology:
+ * the transparency mode is called pattern transparency, but the third
+ * RasterOp operand is called texture, not pattern.
+ */
+
+/* 3-input RasterOp */
+typedef enum {
+    rop3_0 = 0,
+    rop3_T = 0xf0,		/* texture */
+#define rop3_T_shift 4
+    rop3_S = 0xcc,		/* source */
+#define rop3_S_shift 2
+    rop3_D = 0xaa,		/* destination */
+#define rop3_D_shift 1
+    rop3_1 = 0xff,
+    rop3_default = rop3_T | rop3_S
+} gs_rop3_t;
+
+/* All the transformations on rop3s are designed so that */
+/* they can also be used on lops.  The only place this costs anything */
+/* is in rop3_invert. */
+
+/*
+ * Invert an operand.
+ */
+#define rop3_invert_(op, mask, shift)\
+  ( (((op) & mask) >> shift) | (((op) & (rop3_1 - mask)) << shift) |\
+    ((op) & ~rop3_1) )
+#define rop3_invert_D(op) rop3_invert_(op, rop3_D, rop3_D_shift)
+#define rop3_invert_S(op) rop3_invert_(op, rop3_S, rop3_S_shift)
+#define rop3_invert_T(op) rop3_invert_(op, rop3_T, rop3_T_shift)
+/*
+ * Pin an operand to 0.
+ */
+#define rop3_know_0_(op, mask, shift)\
+  ( (((op) & (rop3_1 - mask)) << shift) | ((op) & ~mask) )
+#define rop3_know_D_0(op) rop3_know_0_(op, rop3_D, rop3_D_shift)
+#define rop3_know_S_0(op) rop3_know_0_(op, rop3_S, rop3_S_shift)
+#define rop3_know_T_0(op) rop3_know_0_(op, rop3_T, rop3_T_shift)
+/*
+ * Pin an operand to 1.
+ */
+#define rop3_know_1_(op, mask, shift)\
+  ( (((op) & mask) >> shift) | ((op) & ~(rop3_1 - mask)) )
+#define rop3_know_D_1(op) rop3_know_1_(op, rop3_D, rop3_D_shift)
+#define rop3_know_S_1(op) rop3_know_1_(op, rop3_S, rop3_S_shift)
+#define rop3_know_T_1(op) rop3_know_1_(op, rop3_T, rop3_T_shift)
+/*
+ * Swap S and T.
+ */
+#define rop3_swap_S_T(op)\
+  ( (((op) & rop3_S & ~rop3_T) << (rop3_T_shift - rop3_S_shift)) |\
+    (((op) & ~rop3_S & rop3_T) >> (rop3_T_shift - rop3_S_shift)) |\
+    ((op) & (~rop3_1 | (rop3_S ^ rop3_T))) )
+/*
+ * Account for transparency.
+ */
+#define rop3_use_D_when_0_(op, mask)\
+  (((op) & ~(rop3_1 - mask)) | (rop3_D & ~mask))
+#define rop3_use_D_when_1_(op, mask)\
+  (((op) & ~mask) | (rop3_D & mask))
+#define rop3_use_D_when_S_0(op) rop3_use_D_when_0_(op, rop3_S)
+#define rop3_use_D_when_S_1(op) rop3_use_D_when_1_(op, rop3_S)
+#define rop3_use_D_when_T_0(op) rop3_use_D_when_0_(op, rop3_T)
+#define rop3_use_D_when_T_1(op) rop3_use_D_when_1_(op, rop3_T)
+/*
+ * Invert the result.
+ */
+#define rop3_not(op) ((op) ^ rop3_1)
+/*
+ * Test whether an operand is used.
+ */
+#define rop3_uses_(op, mask, shift)\
+  ( ((((op) << shift) ^ (op)) & mask) != 0 )
+#define rop3_uses_D(op) rop3_uses_(op, rop3_D, rop3_D_shift)
+#define rop3_uses_S(op) rop3_uses_(op, rop3_S, rop3_S_shift)
+#define rop3_uses_T(op) rop3_uses_(op, rop3_T, rop3_T_shift)
+/*
+ * Test whether an operation is idempotent, i.e., whether
+ * f(D, S, T) = f(f(D, S, T), S, T).  This is equivalent to the condition that
+ * for all values s and t, !( f(0,s,t) == 1 && f(1,s,t) == 0 ).
+ */
+#define rop3_is_idempotent(op)\
+  !( (op) & ~((op) << rop3_D_shift) & rop3_D )
+
+/* Transparency */
+#define source_transparent_default false
+#define pattern_transparent_default false
+
+/*
+ * We define a logical operation as a RasterOp, transparency flags,
+ * and render algorithm all packed into a single integer.
+ * In principle, we should use a structure, but most C implementations
+ * implement structure values very inefficiently.
+ */
+#define lop_rop(lop) ((gs_rop3_t)((lop) & 0xff))	/* must be low-order bits */
+#define lop_S_transparent 0x100
+#define lop_T_transparent 0x200
+#define lop_ral_shift 10
+#define lop_ral_mask 0xf
+typedef uint gs_logical_operation_t;
+
+#define lop_default\
+  (rop3_default |\
+   (source_transparent_default ? lop_S_transparent : 0) |\
+   (pattern_transparent_default ? lop_T_transparent : 0))
+
+     /* Test whether a logical operation uses S or T. */
+#define lop_uses_S(lop)\
+  (rop3_uses_S(lop) || ((lop) & lop_S_transparent))
+#define lop_uses_T(lop)\
+  (rop3_uses_T(lop) || ((lop) & lop_T_transparent))
+/* Test whether a logical operation just sets D = x if y = 0. */
+#define lop_no_T_is_S(lop)\
+  (((lop) & (lop_S_transparent | (rop3_1 - rop3_T))) == (rop3_S & ~rop3_T))
+#define lop_no_S_is_T(lop)\
+  (((lop) & (lop_T_transparent | (rop3_1 - rop3_S))) == (rop3_T & ~rop3_S))
+/* Test whether a logical operation is idempotent. */
+#define lop_is_idempotent(lop) rop3_is_idempotent(lop)
+
+/* Define the interface to the table of 256 RasterOp procedures. */
+typedef unsigned rop_operand;
+typedef rop_operand(*rop_proc) (P3(rop_operand D, rop_operand S, rop_operand T));
+
+/* Define the table of operand usage by the 256 RasterOp operations. */
+typedef enum {
+    rop_usage_none = 0,
+    rop_usage_D = 1,
+    rop_usage_S = 2,
+    rop_usage_DS = 3,
+    rop_usage_T = 4,
+    rop_usage_DT = 5,
+    rop_usage_ST = 6,
+    rop_usage_DST = 7
+} rop_usage_t;
+
+#endif /* gsropt_INCLUDED */
diff --git a/pstoraster/gsshade.c b/pstoraster/gsshade.c
new file mode 100644
index 000000000..00d2a95ff
--- /dev/null
+++ b/pstoraster/gsshade.c
@@ -0,0 +1,451 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Constructors for shadings */
+#include "gx.h"
+#include "gscspace.h"
+#include "gserrors.h"
+#include "gsstruct.h"		/* for extern_st */
+#include "gxdevcli.h"
+#include "gxcpath.h"
+#include "gxistate.h"
+#include "gxpath.h"
+#include "gxshade.h"
+
+/* ================ Initialize shadings ================ */
+
+/* ---------------- Generic services ---------------- */
+
+/* GC descriptors */
+private_st_shading();
+private_st_shading_mesh();
+
+/* Check ColorSpace, BBox, and Function (if present). */
+/* Free variables: params. */
+private int
+check_CBFD(const gs_shading_params_t * params,
+	   const gs_function_t * function, const float *domain, int m)
+{
+    int ncomp = gs_color_space_num_components(params->ColorSpace);
+
+    if (ncomp < 0 ||
+	(params->have_BBox &&
+	 (params->BBox.p.x > params->BBox.q.x ||
+	  params->BBox.p.y > params->BBox.q.y))
+	)
+	return_error(gs_error_rangecheck);
+    if (function != 0) {
+	if (function->params.m != m || function->params.n != ncomp)
+	    return_error(gs_error_rangecheck);
+	/*
+	 * The Adobe documentation says that the function's domain must
+	 * be a superset of the domain defined in the shading dictionary.
+	 * However, Adobe implementations apparently don't necessarily
+	 * check this ahead of time; therefore, we do the same.
+	 */
+#if 0				/*************** */
+	{
+	    int i;
+
+	    for (i = 0; i < m; ++i)
+		if (function->params.Domain[2 * i] > domain[2 * i] ||
+		    function->params.Domain[2 * i + 1] < domain[2 * i + 1]
+		    )
+		    return_error(gs_error_rangecheck);
+	}
+#endif /*************** */
+    }
+    return 0;
+}
+
+/* Check parameters for a mesh shading. */
+private int
+check_mesh(const gs_shading_mesh_params_t * params)
+{
+    if (!data_source_is_array(params->DataSource)) {
+	int code = check_CBFD((const gs_shading_params_t *)params,
+			      params->Function, params->Decode, 1);
+
+	if (code < 0)
+	    return code;
+	switch (params->BitsPerCoordinate) {
+	    case  1: case  2: case  4: case  8:
+	    case 12: case 16: case 24: case 32:
+		break;
+	    default:
+		return_error(gs_error_rangecheck);
+	}
+	switch (params->BitsPerComponent) {
+	    case  1: case  2: case  4: case  8:
+	    case 12: case 16:
+		break;
+	    default:
+		return_error(gs_error_rangecheck);
+	}
+    }
+    return 0;
+}
+
+/* Check the BitsPerFlag value.  Return the value or an error code. */
+private int
+check_BPF(const gs_data_source_t *pds, int bpf)
+{
+    if (data_source_is_array(*pds))
+	return 2;
+    switch (bpf) {
+    case 2: case 4: case 8:
+	return bpf;
+    default:
+	return_error(gs_error_rangecheck);
+    }
+}
+
+/* Initialize common shading parameters. */
+private void
+shading_params_init(gs_shading_params_t *params)
+{
+    params->ColorSpace = 0;	/* must be set by client */
+    params->Background = 0;
+    params->have_BBox = false;
+    params->AntiAlias = false;
+}
+
+/* Initialize common mesh shading parameters. */
+private void
+mesh_shading_params_init(gs_shading_mesh_params_t *params)
+{
+    shading_params_init((gs_shading_params_t *)params);
+    data_source_init_floats(&params->DataSource, NULL, 0);/* client must set */
+    /* Client must set BitsPerCoordinate and BitsPerComponent */
+    /* if DataSource is not an array. */
+    params->Decode = 0;
+    params->Function = 0;
+}
+
+/* Allocate and initialize a shading. */
+/* Free variables: mem, params, ppsh, psh. */
+#define ALLOC_SHADING(sttype, stype, sfrproc, cname)\
+  BEGIN\
+    psh = gs_alloc_struct(mem, void, sttype, cname);\
+    if ( psh == 0 )\
+      return_error(gs_error_VMerror);\
+    psh->head.type = stype;\
+    psh->head.fill_rectangle = sfrproc;\
+    psh->params = *params;\
+    *ppsh = (gs_shading_t *)psh;\
+  END
+
+/* ---------------- Function-based shading ---------------- */
+
+private_st_shading_Fb();
+
+/* Initialize parameters for a Function-based shading. */
+void
+gs_shading_Fb_params_init(gs_shading_Fb_params_t * params)
+{
+    shading_params_init((gs_shading_params_t *)params);
+    params->Domain[0] = params->Domain[2] = 0;
+    params->Domain[1] = params->Domain[3] = 1;
+    gs_make_identity(&params->Matrix);
+    params->Function = 0;	/* must be set by client */
+}
+
+/* Allocate and initialize a Function-based shading. */
+int
+gs_shading_Fb_init(gs_shading_t ** ppsh,
+		   const gs_shading_Fb_params_t * params, gs_memory_t * mem)
+{
+    gs_shading_Fb_t *psh;
+    gs_matrix imat;
+    int code = check_CBFD((const gs_shading_params_t *)params,
+			  params->Function, params->Domain, 2);
+
+    if (code < 0 ||
+	(code = gs_matrix_invert(&params->Matrix, &imat)) < 0
+	)
+	return code;
+    ALLOC_SHADING(&st_shading_Fb, shading_type_Function_based,
+		  gs_shading_Fb_fill_rectangle, "gs_shading_Fb_init");
+    return 0;
+}
+
+/* ---------------- Axial shading ---------------- */
+
+private_st_shading_A();
+
+/* Initialize parameters for an Axial shading. */
+void
+gs_shading_A_params_init(gs_shading_A_params_t * params)
+{
+    shading_params_init((gs_shading_params_t *)params);
+    /* Coords must be set by client */
+    params->Domain[0] = 0;
+    params->Domain[1] = 1;
+    params->Function = 0;	/* must be set by client */
+    params->Extend[0] = params->Extend[1] = false;
+}
+
+/* Allocate and initialize an Axial shading. */
+int
+gs_shading_A_init(gs_shading_t ** ppsh,
+		  const gs_shading_A_params_t * params, gs_memory_t * mem)
+{
+    gs_shading_A_t *psh;
+    int code = check_CBFD((const gs_shading_params_t *)params,
+			  params->Function, params->Domain, 1);
+
+    if (code < 0)
+	return code;
+    ALLOC_SHADING(&st_shading_A, shading_type_Axial,
+		  gs_shading_A_fill_rectangle, "gs_shading_A_init");
+    return 0;
+}
+
+/* ---------------- Radial shading ---------------- */
+
+private_st_shading_R();
+
+/* Initialize parameters for a Radial shading. */
+void
+gs_shading_R_params_init(gs_shading_R_params_t * params)
+{
+    shading_params_init((gs_shading_params_t *)params);
+    /* Coords must be set by client */
+    params->Domain[0] = 0;
+    params->Domain[1] = 1;
+    params->Function = 0;	/* must be set by client */
+    params->Extend[0] = params->Extend[1] = false;
+}
+
+/* Allocate and initialize a Radial shading. */
+int
+gs_shading_R_init(gs_shading_t ** ppsh,
+		  const gs_shading_R_params_t * params, gs_memory_t * mem)
+{
+    gs_shading_R_t *psh;
+    int code = check_CBFD((const gs_shading_params_t *)params,
+			  params->Function, params->Domain, 1);
+
+    if (code < 0)
+	return code;
+    if ((params->Domain != 0 && params->Domain[0] == params->Domain[1]) ||
+	params->Coords[2] < 0 || params->Coords[5] < 0
+	)
+	return_error(gs_error_rangecheck);
+    ALLOC_SHADING(&st_shading_R, shading_type_Radial,
+		  gs_shading_R_fill_rectangle, "gs_shading_R_init");
+    return 0;
+}
+
+/* ---------------- Free-form Gouraud triangle mesh shading ---------------- */
+
+private_st_shading_FfGt();
+
+/* Initialize parameters for a Free-form Gouraud triangle mesh shading. */
+void
+gs_shading_FfGt_params_init(gs_shading_FfGt_params_t * params)
+{
+    mesh_shading_params_init((gs_shading_mesh_params_t *)params);
+    /* Client must set BitsPerFlag if DataSource is not an array. */
+}
+
+/* Allocate and initialize a Free-form Gouraud triangle mesh shading. */
+int
+gs_shading_FfGt_init(gs_shading_t ** ppsh,
+		     const gs_shading_FfGt_params_t * params,
+		     gs_memory_t * mem)
+{
+    gs_shading_FfGt_t *psh;
+    int code = check_mesh((const gs_shading_mesh_params_t *)params);
+    int bpf = check_BPF(&params->DataSource, params->BitsPerFlag);
+
+    if (code < 0)
+	return code;
+    if (bpf < 0)
+	return bpf;
+    if (params->Decode != 0 && params->Decode[0] == params->Decode[1])
+	return_error(gs_error_rangecheck);
+    ALLOC_SHADING(&st_shading_FfGt, shading_type_Free_form_Gouraud_triangle,
+		  gs_shading_FfGt_fill_rectangle, "gs_shading_FfGt_init");
+    psh->params.BitsPerFlag = bpf;
+    return 0;
+}
+
+/* -------------- Lattice-form Gouraud triangle mesh shading -------------- */
+
+private_st_shading_LfGt();
+
+/* Initialize parameters for a Lattice-form Gouraud triangle mesh shading. */
+void
+gs_shading_LfGt_params_init(gs_shading_LfGt_params_t * params)
+{
+    mesh_shading_params_init((gs_shading_mesh_params_t *)params);
+    /* Client must set VerticesPerRow. */
+}
+
+/* Allocate and initialize a Lattice-form Gouraud triangle mesh shading. */
+int
+gs_shading_LfGt_init(gs_shading_t ** ppsh,
+		 const gs_shading_LfGt_params_t * params, gs_memory_t * mem)
+{
+    gs_shading_LfGt_t *psh;
+    int code = check_mesh((const gs_shading_mesh_params_t *)params);
+
+    if (code < 0)
+	return code;
+    if (params->VerticesPerRow < 2)
+	return_error(gs_error_rangecheck);
+    ALLOC_SHADING(&st_shading_LfGt, shading_type_Lattice_form_Gouraud_triangle,
+		  gs_shading_LfGt_fill_rectangle, "gs_shading_LfGt_init");
+    return 0;
+}
+
+/* ---------------- Coons patch mesh shading ---------------- */
+
+private_st_shading_Cp();
+
+/* Initialize parameters for a Coons patch mesh shading. */
+void
+gs_shading_Cp_params_init(gs_shading_Cp_params_t * params)
+{
+    mesh_shading_params_init((gs_shading_mesh_params_t *)params);
+    /* Client must set BitsPerFlag if DataSource is not an array. */
+}
+
+/* Allocate and initialize a Coons patch mesh shading. */
+int
+gs_shading_Cp_init(gs_shading_t ** ppsh,
+		   const gs_shading_Cp_params_t * params, gs_memory_t * mem)
+{
+    gs_shading_Cp_t *psh;
+    int code = check_mesh((const gs_shading_mesh_params_t *)params);
+    int bpf = check_BPF(&params->DataSource, params->BitsPerFlag);
+
+    if (code < 0)
+	return code;
+    if (bpf < 0)
+	return bpf;
+    ALLOC_SHADING(&st_shading_Cp, shading_type_Coons_patch,
+		  gs_shading_Cp_fill_rectangle, "gs_shading_Cp_init");
+    psh->params.BitsPerFlag = bpf;
+    return 0;
+}
+
+/* ---------------- Tensor product patch mesh shading ---------------- */
+
+private_st_shading_Tpp();
+
+/* Initialize parameters for a Tensor product patch mesh shading. */
+void
+gs_shading_Tpp_params_init(gs_shading_Tpp_params_t * params)
+{
+    mesh_shading_params_init((gs_shading_mesh_params_t *)params);
+    /* Client must set BitsPerFlag if DataSource is not an array. */
+}
+
+/* Allocate and initialize a Tensor product patch mesh shading. */
+int
+gs_shading_Tpp_init(gs_shading_t ** ppsh,
+		  const gs_shading_Tpp_params_t * params, gs_memory_t * mem)
+{
+    gs_shading_Tpp_t *psh;
+    int code = check_mesh((const gs_shading_mesh_params_t *)params);
+    int bpf = check_BPF(&params->DataSource, params->BitsPerFlag);
+
+    if (code < 0)
+	return code;
+    if (bpf < 0)
+	return bpf;
+    ALLOC_SHADING(&st_shading_Tpp, shading_type_Tensor_product_patch,
+		  gs_shading_Tpp_fill_rectangle, "gs_shading_Tpp_init");
+    psh->params.BitsPerFlag = bpf;
+    return 0;
+}
+
+/* ================ Shading rendering ================ */
+
+/* Fill a path with a shading. */
+int
+gs_shading_fill_path(const gs_shading_t *psh, const gx_path *ppath,
+		     gx_device *orig_dev, gs_imager_state *pis)
+{
+    gs_memory_t *mem = pis->memory;
+    gx_device *dev = orig_dev;
+    gs_fixed_rect path_box;
+    gs_rect rect;
+    gx_clip_path *box_clip = 0;
+    gx_clip_path *path_clip = 0;
+    gx_device_clip box_dev, path_dev;
+    int code;
+
+#if 0				/****** NOT IMPLEMENTED YET *****/
+    if (psh->params.have_BBox) {
+	box_clip = gx_cpath_alloc(mem, "shading_fill_path(box_clip)");
+	if (box_clip == 0)
+	    return_error(gs_error_VMerror);
+	/****** APPEND TRANSFORMED BOX ******/
+	gx_make_clip_device(&box_dev, &box_dev, box_clip->list);
+	box_dev.target = dev;
+	dev = &box_dev;
+	dev_proc(dev, open_device)(dev);
+    }
+#endif
+    dev_proc(dev, get_clipping_box)(dev, &path_box);
+#if 0				/****** NOT IMPLEMENTED YET *****/
+    if (ppath) {
+	if (psh->params.Background) {
+	    /****** FILL BOX WITH BACKGROUND ******/
+	}
+	path_clip = gx_cpath_alloc(mem, "shading_fill_path(path_clip)");
+	if (path_clip == 0) {
+	    code = gs_note_error(gs_error_VMerror);
+	    goto out;
+	}
+	/****** SET CLIP PATH ******/
+	gx_make_clip_device(&path_dev, &path_dev, path_clip->list);
+	path_dev.target = dev;
+	dev = &path_dev;
+	dev_proc(dev, open_device)(dev);
+	dev_proc(dev, get_clipping_box)(dev, &path_box);
+    }
+#endif
+    {
+	gs_rect path_rect;
+	const gs_matrix *pmat = &ctm_only(pis);
+
+	path_rect.p.x = fixed2float(path_box.p.x);
+	path_rect.p.y = fixed2float(path_box.p.y);
+	path_rect.q.x = fixed2float(path_box.q.x);
+	path_rect.q.y = fixed2float(path_box.q.y);
+	gs_bbox_transform_inverse(&path_rect, pmat, &rect);
+    }
+    code = psh->head.fill_rectangle(psh, &rect, dev, pis);
+out:
+    if (path_clip)
+	gx_cpath_free(path_clip, "shading_fill_path(path_clip)");
+    if (box_clip)
+	gx_cpath_free(box_clip, "shading_fill_path(box_clip)");
+    return code;
+}
diff --git a/pstoraster/gsshade.h b/pstoraster/gsshade.h
new file mode 100644
index 000000000..5d3a78fa2
--- /dev/null
+++ b/pstoraster/gsshade.h
@@ -0,0 +1,255 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for shading */
+
+#ifndef gsshade_INCLUDED
+#  define gsshade_INCLUDED
+
+#include "gsccolor.h"
+#include "gscspace.h"
+#include "gsdsrc.h"
+#include "gsfunc.h"
+#include "gsmatrix.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/* Define the shading types. */
+typedef enum {
+    shading_type_Function_based = 1,
+    shading_type_Axial = 2,
+    shading_type_Radial = 3,
+    shading_type_Free_form_Gouraud_triangle = 4,
+    shading_type_Lattice_form_Gouraud_triangle = 5,
+    shading_type_Coons_patch = 6,
+    shading_type_Tensor_product_patch = 7
+} gs_shading_type_t;
+
+/*
+ * Define information common to all shading types.  We separate the private
+ * part from the parameters so that clients can create parameter structures
+ * without having to know the structure of the implementation.
+ */
+#define gs_shading_params_common\
+  gs_color_space *ColorSpace;\
+  gs_client_color *Background;\
+  bool have_BBox;\
+  gs_rect BBox;\
+  bool AntiAlias
+
+typedef struct gs_shading_params_s {
+    gs_shading_params_common;
+} gs_shading_params_t;
+
+/* Define the type-specific procedures for shadings. */
+#ifndef gs_shading_t_DEFINED
+#  define gs_shading_t_DEFINED
+typedef struct gs_shading_s gs_shading_t;
+#endif
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+#endif
+/*
+ * Fill a user space rectangle.  This will paint every pixel that is in the
+ * intersection of the rectangle and the shading's geometry, but it may
+ * leave some pixels in the rectangle unpainted, and it may also paint
+ * outside the rectangle: the caller is responsible for setting up a
+ * clipping device if necessary.
+ */
+#define shading_fill_rectangle_proc(proc)\
+  int proc(P4(const gs_shading_t *psh, const gs_rect *rect, gx_device *dev,\
+	      gs_imager_state *pis))
+typedef shading_fill_rectangle_proc((*shading_fill_rectangle_proc_t));
+typedef struct gs_shading_head_s {
+    gs_shading_type_t type;
+    shading_fill_rectangle_proc_t fill_rectangle;
+} gs_shading_head_t;
+
+/* Define a generic shading, for use as the target type of pointers. */
+struct gs_shading_s {
+    gs_shading_head_t head;
+    gs_shading_params_t params;
+};
+#define ShadingType(psh) ((psh)->head.type)
+#define private_st_shading()	/* in gsshade.c */\
+  gs_private_st_ptrs2(st_shading, gs_shading_t, "gs_shading_t",\
+    shading_enum_ptrs, shading_reloc_ptrs,\
+    params.ColorSpace, params.Background)
+
+/* Define Function-based shading. */
+typedef struct gs_shading_Fb_params_s {
+    gs_shading_params_common;
+    float Domain[4];
+    gs_matrix Matrix;
+    gs_function_t *Function;
+} gs_shading_Fb_params_t;
+
+#define private_st_shading_Fb()	/* in gsshade.c */\
+  gs_private_st_suffix_add1(st_shading_Fb, gs_shading_Fb_t,\
+    "gs_shading_Fb_t", shading_Fb_enum_ptrs, shading_Fb_reloc_ptrs,\
+    st_shading, params.Function)
+
+/* Define Axial shading. */
+typedef struct gs_shading_A_params_s {
+    gs_shading_params_common;
+    float Coords[4];
+    float Domain[2];
+    gs_function_t *Function;
+    bool Extend[2];
+} gs_shading_A_params_t;
+
+#define private_st_shading_A()	/* in gsshade.c */\
+  gs_private_st_suffix_add1(st_shading_A, gs_shading_A_t,\
+    "gs_shading_A_t", shading_A_enum_ptrs, shading_A_reloc_ptrs,\
+    st_shading, params.Function)
+
+/* Define Radial shading. */
+typedef struct gs_shading_R_params_s {
+    gs_shading_params_common;
+    float Coords[6];
+    float Domain[2];
+    gs_function_t *Function;
+    bool Extend[2];
+} gs_shading_R_params_t;
+
+#define private_st_shading_R()	/* in gsshade.c */\
+  gs_private_st_suffix_add1(st_shading_R, gs_shading_R_t,\
+    "gs_shading_R_t", shading_R_enum_ptrs, shading_R_reloc_ptrs,\
+    st_shading, params.Function)
+
+/* Define common parameters for mesh shading. */
+#define gs_shading_mesh_params_common\
+  gs_shading_params_common;\
+  gs_data_source_t DataSource;\
+  int BitsPerCoordinate;\
+  int BitsPerComponent;\
+  float *Decode;\
+  gs_function_t *Function
+/* The following are for internal use only. */
+typedef struct gs_shading_mesh_params_s {
+    gs_shading_mesh_params_common;
+} gs_shading_mesh_params_t;
+typedef struct gs_shading_mesh_s {
+    gs_shading_head_t head;
+    gs_shading_mesh_params_t params;
+} gs_shading_mesh_t;
+
+#define private_st_shading_mesh()	/* in gsshade.c */\
+  gs_private_st_suffix_add2(st_shading_mesh, gs_shading_mesh_t,\
+    "gs_shading_mesh_t", shading_mesh_enum_ptrs, shading_mesh_reloc_ptrs,\
+    st_shading, params.Decode, params.Function)
+
+/* Define Free-form Gouraud triangle mesh shading. */
+typedef struct gs_shading_FfGt_params_s {
+    gs_shading_mesh_params_common;
+    int BitsPerFlag;
+} gs_shading_FfGt_params_t;
+
+#define private_st_shading_FfGt()	/* in gsshade.c */\
+  gs_private_st_suffix_add0_local(st_shading_FfGt, gs_shading_FfGt_t,\
+    "gs_shading_FfGt_t", shading_mesh_enum_ptrs, shading_mesh_reloc_ptrs,\
+    st_shading_mesh)
+
+/* Define Lattice-form Gouraud triangle mesh shading. */
+typedef struct gs_shading_LfGt_params_s {
+    gs_shading_mesh_params_common;
+    int VerticesPerRow;
+} gs_shading_LfGt_params_t;
+
+#define private_st_shading_LfGt()	/* in gsshade.c */\
+  gs_private_st_suffix_add0_local(st_shading_LfGt, gs_shading_LfGt_t,\
+    "gs_shading_LfGt_t", shading_mesh_enum_ptrs, shading_mesh_reloc_ptrs,\
+    st_shading_mesh)
+
+/* Define Coons patch mesh shading. */
+typedef struct gs_shading_Cp_params_s {
+    gs_shading_mesh_params_common;
+    int BitsPerFlag;
+} gs_shading_Cp_params_t;
+
+#define private_st_shading_Cp()	/* in gsshade.c */\
+  gs_private_st_suffix_add0_local(st_shading_Cp, gs_shading_Cp_t,\
+    "gs_shading_Cp_t", shading_mesh_enum_ptrs, shading_mesh_reloc_ptrs,\
+    st_shading_mesh)
+
+/* Define Tensor product patch mesh shading. */
+typedef struct gs_shading_Tpp_params_s {
+    gs_shading_mesh_params_common;
+    int BitsPerFlag;
+} gs_shading_Tpp_params_t;
+
+#define private_st_shading_Tpp()	/* in gsshade.c */\
+  gs_private_st_suffix_add0_local(st_shading_Tpp, gs_shading_Tpp_t,\
+    "gs_shading_Tpp_t", shading_mesh_enum_ptrs, shading_mesh_reloc_ptrs,\
+    st_shading_mesh)
+
+/* ---------------- Procedures ---------------- */
+
+/* Initialize shading parameters of specific types. */
+void gs_shading_Fb_params_init(P1(gs_shading_Fb_params_t * params));
+void gs_shading_A_params_init(P1(gs_shading_A_params_t * params));
+void gs_shading_R_params_init(P1(gs_shading_R_params_t * params));
+void gs_shading_FfGt_params_init(P1(gs_shading_FfGt_params_t * params));
+void gs_shading_LfGt_params_init(P1(gs_shading_LfGt_params_t * params));
+void gs_shading_Cp_params_init(P1(gs_shading_Cp_params_t * params));
+void gs_shading_Tpp_params_init(P1(gs_shading_Tpp_params_t * params));
+
+/* Create (initialize) shadings of specific types. */
+int gs_shading_Fb_init(P3(gs_shading_t ** ppsh,
+			  const gs_shading_Fb_params_t * params,
+			  gs_memory_t * mem));
+int gs_shading_A_init(P3(gs_shading_t ** ppsh,
+			 const gs_shading_A_params_t * params,
+			 gs_memory_t * mem));
+int gs_shading_R_init(P3(gs_shading_t ** ppsh,
+			 const gs_shading_R_params_t * params,
+			 gs_memory_t * mem));
+int gs_shading_FfGt_init(P3(gs_shading_t ** ppsh,
+			    const gs_shading_FfGt_params_t * params,
+			    gs_memory_t * mem));
+int gs_shading_LfGt_init(P3(gs_shading_t ** ppsh,
+			    const gs_shading_LfGt_params_t * params,
+			    gs_memory_t * mem));
+int gs_shading_Cp_init(P3(gs_shading_t ** ppsh,
+			  const gs_shading_Cp_params_t * params,
+			  gs_memory_t * mem));
+int gs_shading_Tpp_init(P3(gs_shading_t ** ppsh,
+			   const gs_shading_Tpp_params_t * params,
+			   gs_memory_t * mem));
+
+/*
+ * Fill a path with a shading.  This is the only externally accessible
+ * procedure for rendering a shading.  A NULL path means fill the
+ * shading's geometry (shfill).
+ */
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+#endif
+int gs_shading_fill_path(P4(const gs_shading_t *psh, const gx_path *ppath,
+			    gx_device *dev, gs_imager_state *pis));
+
+#endif /* gsshade_INCLUDED */
diff --git a/pstoraster/gsstate.c b/pstoraster/gsstate.c
new file mode 100644
index 000000000..7a7a4157e
--- /dev/null
+++ b/pstoraster/gsstate.c
@@ -0,0 +1,1025 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous graphics state operators for Ghostscript library */
+#include "gx.h"
+#include "memory_.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gzstate.h"
+#include "gxcspace.h"		/* here for gscolor2.h */
+#include "gsalpha.h"
+#include "gscolor2.h"
+#include "gscoord.h"		/* for gs_initmatrix */
+#include "gscie.h"
+#include "gxcmap.h"
+#include "gxdevice.h"
+#include "gxpcache.h"
+#include "gzht.h"
+#include "gzline.h"
+#include "gspath.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+
+/* Imported values */
+/* The following should include a 'const', but for some reason */
+/* the Watcom compiler won't accept it, even though it happily accepts */
+/* the same construct everywhere else. */
+extern /*const */ gx_color_map_procs *const cmap_procs_default;
+
+/* Forward references */
+private gs_state *gstate_alloc(P3(gs_memory_t *, client_name_t,
+				  const gs_state *));
+private gs_state *gstate_clone(P4(gs_state *, gs_memory_t *, client_name_t,
+				  gs_state_copy_reason_t));
+private void gstate_free_contents(P1(gs_state *));
+private int gstate_copy(P4(gs_state *, const gs_state *,
+			   gs_state_copy_reason_t, client_name_t));
+
+/*
+ * Graphics state storage management is complicated.  There are many
+ * different classes of storage associated with a graphics state:
+ *
+ * (1) The gstate object itself.  This includes some objects physically
+ *      embedded within the gstate object, but because of garbage collection
+ *      requirements, there are no embedded objects that can be
+ *      referenced by non-transient pointers.  We assume that the gstate
+ *      stack "owns" its gstates and that we can free the top gstate when
+ *      doing a restore.
+ *
+ * (2) Objects that are referenced directly by the gstate and whose lifetime
+ *      is independent of the gstate.  These are garbage collected, not
+ *      reference counted, so we don't need to do anything special with them
+ *      when manipulating gstates.  Currently this includes:
+ *              font, device
+ *
+ * (3) Objects that are referenced directly by the gstate, may be shared
+ *      among gstates, and should disappear when no gstates reference them.
+ *      These fall into two groups:
+ *
+ *   (3a) Objects that are logically connected to individual gstates.
+ *      We use reference counting to manage these.  Currently these are:
+ *              halftone, dev_ht, cie_render, black_generation,
+ *              undercolor_removal, set_transfer.*, cie_joint_caches
+ *      effective_transfer.* may point to some of the same objects as
+ *      set_transfer.*, but don't contribute to the reference count.
+ *      Similarly, dev_color may point to the dev_ht object.  For
+ *      simplicity, we initialize all of these pointers to 0 and then
+ *      allocate the object itself when needed.
+ *
+ *   (3b) Objects whose lifetimes are associated with something else.
+ *      Currently these are:
+ *              ht_cache, which is associated with the entire gstate
+ *                stack, is allocated with the very first graphics state,
+ *                and currently is never freed;
+ *              pattern_cache, which is associated with the entire
+ *                stack, is allocated when first needed, and currently
+ *                is never freed;
+ *              view_clip, which is associated with the current
+ *                save level (effectively, with the gstate sub-stack
+ *                back to the save) and is managed specially.
+ *
+ * (4) Objects that are referenced directly by exactly one gstate and that
+ *      are not referenced (except transiently) from any other object.
+ *      These fall into two groups:
+ *
+ *   (4b) Objects allocated individually, for the given reason:
+ *              line_params.dash.pattern (variable-length),
+ *              color_space, path, clip_path, effective_clip.path,
+ *              ccolor, dev_color
+ *                  (may be referenced from image enumerators or elsewhere)
+ *
+ *   (4b) The "client data" for a gstate.  For the interpreter, this is
+ *      the refs associated with the gstate, such as the screen procedures.
+ *      Client-supplied procedures manage client data.
+ *
+ * (5) Objects referenced indirectly from gstate objects of category (4),
+ *      including objects that may also be referenced directly by the gstate.
+ *      The individual routines that manipulate these are responsible
+ *      for doing the right kind of reference counting or whatever.
+ *      Currently:
+ *              path, clip_path, and (if different from both clip_path
+ *                and view_clip) effective_clip.path require
+ *                gx_path_assign/free, which uses a reference count;
+ *              color_space and ccolor require cs_adjust_color/cspace_count
+ *                or cs_adjust_counts, which use a reference count;
+ *              dev_color has no references to storage that it owns.
+ *      We count on garbage collection or restore to deallocate
+ *        sub-objects of halftone.
+ *
+ * Note that when after a gsave, the existing gstate references the related
+ * objects that we allocate at the same time, and the newly allocated gstate
+ * references the old related objects.  Similarly, during a grestore, we
+ * free the related objects referenced by the current gstate, but after the
+ * grestore, we free the saved gstate, not the current one.  However, when
+ * we allocate gstates off-stack, the newly allocated gstate does reference
+ * the newly allocated component objects.  Note also that setgstate /
+ * currentgstate may produce gstates in which different allocators own
+ * different sub-objects; this is OK, because restore guarantees that there
+ * won't be any dangling pointers (as long as we don't allow pointers from
+ * global gstates to local objects).
+ */
+
+/*
+ * Enumerate the pointers in a graphics state, other than the ones in the
+ * imager state, and device, which must be handled specially.
+ */
+#define gs_state_do_ptrs(m)\
+  m(0,saved) m(1,path) m(2,clip_path) m(3,view_clip) m(4,effective_clip_path)\
+  m(5,color_space) m(6,ccolor) m(7,dev_color)\
+  m(8,font) m(9,root_font) m(10,show_gstate) /*m(---,device)*/\
+  m(11,client_data)
+#define gs_state_num_ptrs 12
+
+/*
+ * Define these elements of the graphics state that are allocated
+ * individually for each state, except for line_params.dash.pattern.
+ * Note that effective_clip_shared is not on the list.
+ */
+typedef struct gs_state_parts_s {
+    gx_path *path;
+    gx_clip_path *clip_path;
+    gx_clip_path *effective_clip_path;
+    gs_color_space *color_space;
+    gs_client_color *ccolor;
+    gx_device_color *dev_color;
+} gs_state_parts;
+
+#define GSTATE_ASSIGN_PARTS(pto, pfrom)\
+  ((pto)->path = (pfrom)->path, (pto)->clip_path = (pfrom)->clip_path,\
+   (pto)->effective_clip_path = (pfrom)->effective_clip_path,\
+   (pto)->color_space = (pfrom)->color_space,\
+   (pto)->ccolor = (pfrom)->ccolor, (pto)->dev_color = (pfrom)->dev_color)
+
+/* GC descriptors */
+private_st_line_params();
+private_st_imager_state();
+private_st_imager_state_shared();
+private_st_gs_state();
+
+/* GC procedures for gs_imager_state */
+#define pis ((gs_imager_state *)vptr)
+private 
+ENUM_PTRS_BEGIN(imager_state_enum_ptrs) ENUM_SUPER(gs_imager_state, st_line_params, line_params, st_imager_state_num_ptrs - st_line_params_num_ptrs);
+
+ENUM_PTR(0, gs_imager_state, shared);
+#define e1(i,elt) ENUM_PTR(i+1,gs_imager_state,elt);
+gs_cr_state_do_ptrs(e1)
+#undef e1
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(imager_state_reloc_ptrs)
+{
+    RELOC_SUPER(gs_imager_state, st_line_params, line_params);
+    RELOC_PTR(gs_imager_state, shared);
+#define r1(i,elt) RELOC_PTR(gs_imager_state,elt);
+    gs_cr_state_do_ptrs(r1)
+#undef r1
+} RELOC_PTRS_END
+#undef pis
+
+/* GC procedures for gs_state */
+#define gsvptr ((gs_state *)vptr)
+private ENUM_PTRS_BEGIN(gs_state_enum_ptrs) ENUM_PREFIX(st_imager_state, gs_state_num_ptrs + 1);
+#define e1(i,elt) ENUM_PTR(i,gs_state,elt);
+gs_state_do_ptrs(e1)
+case gs_state_num_ptrs:	/* handle device specially */
+ENUM_RETURN(gx_device_enum_ptr(gsvptr->device));
+#undef e1
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(gs_state_reloc_ptrs)
+{
+    RELOC_PREFIX(st_imager_state);
+    {
+#define r1(i,elt) RELOC_PTR(gs_state,elt);
+	gs_state_do_ptrs(r1)
+#undef r1
+	    gsvptr->device = gx_device_reloc_ptr(gsvptr->device, gcst);
+    }
+}
+RELOC_PTRS_END
+#undef gsvptr
+
+/* Copy client data, using the copy_for procedure if available, */
+/* the copy procedure otherwise. */
+private int
+gstate_copy_client_data(gs_state * pgs, void *dto, void *dfrom,
+			gs_state_copy_reason_t reason)
+{
+    return (pgs->client_procs.copy_for != 0 ?
+	    (*pgs->client_procs.copy_for) (dto, dfrom, reason) :
+	    (*pgs->client_procs.copy) (dto, dfrom));
+}
+
+/* ------ Operations on the entire graphics state ------ */
+
+/* Initialize an imager state, other than the parts covered by */
+/* gs_imager_state_initial. */
+/* The halftone, dev_ht, and ht_cache elements are not set or used. */
+private float
+null_transfer(floatp gray, const gx_transfer_map * pmap)
+{
+    return gray;
+}
+private void
+rc_free_imager_shared(gs_memory_t * mem, void *data, client_name_t cname)
+{
+    gs_imager_state_shared_t * const shared =
+	(gs_imager_state_shared_t *)data;
+
+    if (shared->cs_DeviceCMYK) {
+	gs_cspace_release(shared->cs_DeviceCMYK);
+	gs_free_object(mem, shared->cs_DeviceCMYK, "shared DeviceCMYK");
+    }
+    if (shared->cs_DeviceRGB) {
+	gs_cspace_release(shared->cs_DeviceRGB);
+	gs_free_object(mem, shared->cs_DeviceRGB, "shared DeviceRGB");
+    }
+    if (shared->cs_DeviceGray) {
+	gs_cspace_release(shared->cs_DeviceGray);
+	gs_free_object(mem, shared->cs_DeviceGray, "shared DeviceGray");
+    }
+    rc_free_struct_only(mem, data, cname);
+}
+
+int
+gs_imager_state_initialize(gs_imager_state * pis, gs_memory_t * mem)
+{
+    pis->memory = mem;
+    /* Preallocate color spaces. */
+    {
+	int code;
+	gs_imager_state_shared_t *shared;
+
+	rc_alloc_struct_1(shared, gs_imager_state_shared_t,
+			  &st_imager_state_shared, mem,
+			  return_error(gs_error_VMerror),
+			  "gs_imager_state_init(shared)");
+	shared->cs_DeviceGray = shared->cs_DeviceRGB =
+	    shared->cs_DeviceCMYK = 0; /* in case we bail out */
+	shared->rc.free = rc_free_imager_shared;
+	if ((code = gs_cspace_build_DeviceGray(&shared->cs_DeviceGray, mem)) < 0 ||
+	    (code = gs_cspace_build_DeviceRGB(&shared->cs_DeviceRGB, mem)) < 0 ||
+	    (code = gs_cspace_build_DeviceCMYK(&shared->cs_DeviceCMYK, mem)) < 0
+	    ) {
+	    rc_free_imager_shared(mem, shared, "gs_imager_state_init(shared)");
+	    return code;
+	}
+	pis->shared = shared;
+    }
+    /* Skip halftone */
+    {
+	int i;
+
+	for (i = 0; i < gs_color_select_count; ++i)
+	    pis->screen_phase[i].x = pis->screen_phase[i].y = 0;
+    }
+    /* Skip dev_ht */
+    /* Skip ht_cache */
+    pis->cie_render = 0;
+    pis->black_generation = 0;
+    pis->undercolor_removal = 0;
+    /* Allocate an initial transfer map. */
+    rc_alloc_struct_n(pis->set_transfer.colored.gray,
+		      gx_transfer_map, &st_transfer_map,
+		      mem, return_error(gs_error_VMerror),
+		      "gs_imager_state_init(transfer)", 4);
+    pis->set_transfer.colored.gray->proc = null_transfer;
+    pis->set_transfer.colored.gray->id = gs_next_ids(1);
+    pis->set_transfer.colored.gray->values[0] = frac_0;
+    pis->set_transfer.colored.red =
+	pis->set_transfer.colored.green =
+	pis->set_transfer.colored.blue =
+	pis->set_transfer.colored.gray;
+    pis->effective_transfer = pis->set_transfer;
+    pis->cie_joint_caches = 0;
+    pis->cmap_procs = cmap_procs_default;
+    pis->pattern_cache = 0;
+    return 0;
+}
+
+/* Release an imager state. */
+void
+gs_imager_state_release(gs_imager_state * pis)
+{
+    const char *const cname = "gs_imager_state_release";
+
+#define RCDECR(element)\
+    rc_decrement(pis->element, cname)
+
+    RCDECR(cie_joint_caches);
+    RCDECR(set_transfer.colored.gray);
+    RCDECR(set_transfer.colored.blue);
+    RCDECR(set_transfer.colored.green);
+    RCDECR(set_transfer.colored.red);
+    RCDECR(undercolor_removal);
+    RCDECR(black_generation);
+    RCDECR(cie_render);
+    RCDECR(shared);
+#undef RCDECR
+}
+
+/* Allocate and initialize a graphics state. */
+gs_state *
+gs_state_alloc(gs_memory_t * mem)
+{
+    gs_state *pgs = gstate_alloc(mem, "gs_state_alloc", NULL);
+
+    if (pgs == 0)
+	return 0;
+    {
+	static const gs_imager_state gstate_initial =
+	{
+	    gs_imager_state_initial(1.0)
+	};
+
+	*(gs_imager_state *) pgs = gstate_initial;
+    }
+    /*
+     * Just enough of the state is initialized at this point
+     * that it's OK to call gs_state_free if an allocation fails.
+     */
+    rc_alloc_struct_1(pgs->halftone, gs_halftone, &st_halftone, mem,
+		      goto fail, "gs_state_alloc(halftone)");
+    pgs->saved = 0;
+
+    /* Initialize the color rendering state. */
+
+    pgs->halftone->type = ht_type_none;
+    pgs->dev_ht = 0;
+    pgs->ht_cache = gx_ht_alloc_cache(mem,
+				      gx_ht_cache_default_tiles(),
+				      gx_ht_cache_default_bits());
+    gs_imager_state_initialize((gs_imager_state *) pgs, mem);
+    pgs->client_data = 0;
+
+    /* Initialize other things not covered by initgraphics */
+
+    pgs->path = gx_path_alloc(mem, "gs_state_alloc(path)");
+    pgs->clip_path = gx_cpath_alloc(mem, "gs_state_alloc(clip_path)");
+    pgs->view_clip = gx_cpath_alloc(mem, "gs_state_alloc(view_clip)");
+    pgs->view_clip->rule = 0;	/* no clipping */
+    pgs->effective_clip_id = pgs->clip_path->id;
+    pgs->effective_view_clip_id = gs_no_id;
+    pgs->effective_clip_path = pgs->clip_path;
+    pgs->effective_clip_shared = true;
+    /* Initialize things so that gx_remap_color won't crash. */
+    pgs->color_space->type = &gs_color_space_type_DeviceGray;
+    gx_set_device_color_1(pgs);
+    pgs->overprint = false;
+    pgs->device = 0;		/* setting device adjusts refcts */
+    gs_nulldevice(pgs);
+    gs_setalpha(pgs, 1.0);
+    gs_settransfer(pgs, null_transfer);
+    gs_setflat(pgs, 1.0);
+    gs_setfilladjust(pgs, 0.25, 0.25);
+    gs_setlimitclamp(pgs, false);
+    gs_setstrokeadjust(pgs, true);
+    pgs->font = 0;		/* Not right, but acceptable until the */
+    /* PostScript code does the first setfont. */
+    pgs->root_font = 0;		/* ditto */
+    pgs->in_cachedevice = 0;
+    pgs->in_charpath = (gs_char_path_mode) 0;
+    pgs->show_gstate = 0;
+    pgs->level = 0;
+    pgs->client_data = 0;
+    if (gs_initgraphics(pgs) < 0) {
+	/* Something went very wrong */
+	return 0;
+    }
+    return pgs;
+  fail:
+    gs_state_free(pgs);
+    return 0;
+}
+
+/* Set the client data in a graphics state. */
+/* This should only be done to a newly created state. */
+void
+gs_state_set_client(gs_state * pgs, void *pdata,
+		    const gs_state_client_procs * pprocs)
+{
+    pgs->client_data = pdata;
+    pgs->client_procs = *pprocs;
+}
+
+/* Get the client data from a graphics state. */
+#undef gs_state_client_data	/* gzstate.h makes this a macro */
+void *
+gs_state_client_data(const gs_state * pgs)
+{
+    return pgs->client_data;
+}
+
+/* Free a graphics state. */
+int
+gs_state_free(gs_state * pgs)
+{
+    gstate_free_contents(pgs);
+    gs_free_object(pgs->memory, pgs, "gs_state_free");
+    return 0;
+}
+
+/* Save the graphics state. */
+int
+gs_gsave(gs_state * pgs)
+{
+    gs_state *pnew = gstate_clone(pgs, pgs->memory, "gs_gsave",
+				  copy_for_gsave);
+
+    if (pnew == 0)
+	return_error(gs_error_VMerror);
+    pgs->saved = pnew;
+    if (pgs->show_gstate == pgs)
+	pgs->show_gstate = pnew->show_gstate = pnew;
+    pgs->level++;
+    if_debug2('g', "[g]gsave -> 0x%lx, level = %d\n",
+	      (ulong) pnew, pgs->level);
+    return 0;
+}
+
+/* Save the graphics state for a 'save'. */
+/* We cut the stack below the new gstate, and return the old one. */
+/* In addition to an ordinary gsave, we create a new view clip path. */
+int
+gs_gsave_for_save(gs_state * pgs, gs_state ** psaved)
+{
+    int code;
+    gx_clip_path *old_cpath = pgs->view_clip;
+    gx_clip_path *new_cpath;
+
+    if (old_cpath) {
+	new_cpath =
+	    gx_cpath_alloc_shared(old_cpath, pgs->memory,
+				  "gs_gsave_for_save(view_clip)");
+	if (new_cpath == 0)
+	    return_error(gs_error_VMerror);
+    } else {
+	new_cpath = 0;
+    }
+    code = gs_gsave(pgs);
+    if (code < 0) {
+	if (new_cpath)
+	    gx_cpath_free(new_cpath, "gs_gsave_for_save(view_clip)");
+	return code;
+    }
+    if (pgs->effective_clip_path == pgs->view_clip)
+	pgs->effective_clip_path = new_cpath;
+    pgs->view_clip = new_cpath;
+    /* Cut the stack so we can't grestore past here. */
+    *psaved = pgs->saved;
+    pgs->saved = 0;
+    return code;
+}
+
+/* Restore the graphics state. */
+int
+gs_grestore(gs_state * pgs)
+{
+    gs_state *saved = pgs->saved;
+    void *pdata = pgs->client_data;
+    void *sdata;
+
+    if_debug2('g', "[g]grestore 0x%lx, level was %d\n",
+	      (ulong) saved, pgs->level);
+    if (!saved)			/* shouldn't happen */
+	return gs_gsave(pgs);
+    sdata = saved->client_data;
+    if (saved->pattern_cache == 0)
+	saved->pattern_cache = pgs->pattern_cache;
+    /* Swap back the client data pointers. */
+    pgs->client_data = sdata;
+    saved->client_data = pdata;
+    if (pdata != 0 && sdata != 0)
+	gstate_copy_client_data(pgs, pdata, sdata, copy_for_grestore);
+    gstate_free_contents(pgs);
+    *pgs = *saved;
+    if (pgs->show_gstate == saved)
+	pgs->show_gstate = pgs;
+    gs_free_object(pgs->memory, saved, "gs_grestore");
+    if (pgs->saved)
+	return 0;
+    return gs_gsave(pgs);
+}
+
+/* Restore the graphics state for a 'restore', splicing the old stack */
+/* back on.  Note that we actually do a grestoreall + 2 grestores. */
+int
+gs_grestoreall_for_restore(gs_state * pgs, gs_state * saved)
+{
+    int code;
+
+    while (pgs->saved->saved) {
+	code = gs_grestore(pgs);
+	if (code < 0)
+	    return code;
+    }
+    /* Make sure we don't leave dangling pointers in the caches. */
+    gx_ht_clear_cache(pgs->ht_cache);
+    if (pgs->pattern_cache)
+	(*pgs->pattern_cache->free_all) (pgs->pattern_cache);
+    pgs->saved->saved = saved;
+    code = gs_grestore(pgs);
+    if (code < 0)
+	return code;
+    if (pgs->view_clip) {
+	gx_cpath_free(pgs->view_clip, "gs_grestoreall_for_restore");
+	pgs->view_clip = 0;
+    }
+    return gs_grestore(pgs);
+}
+
+
+/* Restore to the bottommost graphics state (at this save level). */
+int
+gs_grestoreall(gs_state * pgs)
+{
+    int code;
+
+    if (!pgs->saved)		/* shouldn't happen */
+	return gs_gsave(pgs);
+    while (pgs->saved->saved) {
+	code = gs_grestore(pgs);
+	if (code < 0)
+	    return code;
+    }
+    code = gs_grestore(pgs);
+    if (code < 0)
+	return code;
+    return code;
+}
+
+/* Allocate and return a new graphics state. */
+gs_state *
+gs_gstate(gs_state * pgs)
+{
+    return gs_state_copy(pgs, pgs->memory);
+}
+gs_state *
+gs_state_copy(gs_state * pgs, gs_memory_t * mem)
+{
+    gs_state *pnew;
+
+    /* Prevent 'capturing' the view clip path. */
+    gx_clip_path *view_clip = pgs->view_clip;
+
+    pgs->view_clip = 0;
+    pnew = gstate_clone(pgs, mem, "gs_gstate", copy_for_gstate);
+    pgs->view_clip = view_clip;
+    if (pnew == 0)
+	return 0;
+    pnew->saved = 0;
+    /*
+     * Prevent dangling references from the show_gstate pointer.  If
+     * this context is its own show_gstate, set the pointer in the clone
+     * to point to the clone; otherwise, set the pointer in the clone to
+     * 0, and let gs_setgstate fix it up.
+     */
+    pnew->show_gstate =
+	(pgs->show_gstate == pgs ? pnew : 0);
+    return pnew;
+}
+
+/* Copy one previously allocated graphics state to another. */
+int
+gs_copygstate(gs_state * pto, const gs_state * pfrom)
+{
+    return gstate_copy(pto, pfrom, copy_for_copygstate, "gs_copygstate");
+}
+
+/* Copy the current graphics state to a previously allocated one. */
+int
+gs_currentgstate(gs_state * pto, const gs_state * pgs)
+{
+    int code =
+    gstate_copy(pto, pgs, copy_for_currentgstate, "gs_currentgstate");
+
+    if (code >= 0)
+	pto->view_clip = 0;
+    return code;
+}
+
+/* Restore the current graphics state from a previously allocated one. */
+int
+gs_setgstate(gs_state * pgs, const gs_state * pfrom)
+{
+    /*
+     * The implementation is the same as currentgstate,
+     * except we must preserve the saved pointer, the level,
+     * the view clip, and possibly the show_gstate.
+     */
+    gs_state *saved_show = pgs->show_gstate;
+    int level = pgs->level;
+    gx_clip_path *view_clip = pgs->view_clip;
+    int code;
+
+    pgs->view_clip = 0;		/* prevent refcount decrementing */
+    code = gstate_copy(pgs, pfrom, copy_for_setgstate, "gs_setgstate");
+    if (code < 0)
+	return code;
+    pgs->level = level;
+    pgs->view_clip = view_clip;
+    pgs->show_gstate =
+	(pgs->show_gstate == pfrom ? pgs : saved_show);
+    return 0;
+}
+
+/* Get the allocator pointer of a graphics state. */
+/* This is provided only for the interpreter */
+/* and for color space implementation. */
+gs_memory_t *
+gs_state_memory(const gs_state * pgs)
+{
+    return pgs->memory;
+}
+
+/* Get the saved pointer of the graphics state. */
+/* This is provided only for Level 2 grestore. */
+gs_state *
+gs_state_saved(const gs_state * pgs)
+{
+    return pgs->saved;
+}
+
+/* Swap the saved pointer of the graphics state. */
+/* This is provided only for save/restore. */
+gs_state *
+gs_state_swap_saved(gs_state * pgs, gs_state * new_saved)
+{
+    gs_state *saved = pgs->saved;
+
+    pgs->saved = new_saved;
+    return saved;
+}
+
+/* Swap the memory pointer of the graphics state. */
+/* This is provided only for the interpreter. */
+gs_memory_t *
+gs_state_swap_memory(gs_state * pgs, gs_memory_t * mem)
+{
+    gs_memory_t *memory = pgs->memory;
+
+    pgs->memory = mem;
+    return memory;
+}
+
+/* ------ Operations on components ------ */
+
+/* Reset most of the graphics state */
+int
+gs_initgraphics(gs_state * pgs)
+{
+    int code;
+
+    gs_initmatrix(pgs);
+    if ((code = gs_newpath(pgs)) < 0 ||
+	(code = gs_initclip(pgs)) < 0 ||
+	(code = gs_setlinewidth(pgs, 1.0)) < 0 ||
+	(code = gs_setlinecap(pgs, gs_cap_butt)) < 0 ||
+	(code = gs_setlinejoin(pgs, gs_join_miter)) < 0 ||
+	(code = gs_setdash(pgs, (float *)0, 0, 0.0)) < 0 ||
+	(gs_setdashadapt(pgs, false),
+	 (code = gs_setdotlength(pgs, 0.0, false))) < 0 ||
+	(code = gs_setgray(pgs, 0.0)) < 0 ||
+	(code = gs_setmiterlimit(pgs, 10.0)) < 0
+	)
+	return code;
+    gs_init_rop(pgs);
+    return 0;
+}
+
+/* setfilladjust */
+int
+gs_setfilladjust(gs_state * pgs, floatp adjust_x, floatp adjust_y)
+{
+#define CLAMP_TO_HALF(v)\
+    ((v) <= 0 ? fixed_0 : (v) >= 0.5 ? fixed_half : float2fixed(v));
+
+    pgs->fill_adjust.x = CLAMP_TO_HALF(adjust_x);
+    pgs->fill_adjust.y = CLAMP_TO_HALF(adjust_y);
+    return 0;
+#undef CLAMP_TO_HALF
+}
+
+/* currentfilladjust */
+int
+gs_currentfilladjust(const gs_state * pgs, gs_point * adjust)
+{
+    adjust->x = fixed2float(pgs->fill_adjust.x);
+    adjust->y = fixed2float(pgs->fill_adjust.y);
+    return 0;
+}
+
+/* setlimitclamp */
+void
+gs_setlimitclamp(gs_state * pgs, bool clamp)
+{
+    pgs->clamp_coordinates = clamp;
+}
+
+/* currentlimitclamp */
+bool
+gs_currentlimitclamp(const gs_state * pgs)
+{
+    return pgs->clamp_coordinates;
+}
+
+/* ------ Internal routines ------ */
+
+/* Free the privately allocated parts of a gstate. */
+private void
+gstate_free_parts(const gs_state * parts, gs_memory_t * mem, client_name_t cname)
+{
+    gs_free_object(mem, parts->dev_color, cname);
+    gs_free_object(mem, parts->ccolor, cname);
+    gs_free_object(mem, parts->color_space, cname);
+    if (!parts->effective_clip_shared)
+	gx_cpath_free(parts->effective_clip_path, cname);
+    gx_cpath_free(parts->clip_path, cname);
+    gx_path_free(parts->path, cname);
+}
+
+/* Allocate the privately allocated parts of a gstate. */
+private int
+gstate_alloc_parts(gs_state * parts, const gs_state * shared,
+		   gs_memory_t * mem, client_name_t cname)
+{
+    parts->path =
+	(shared ?
+	 gx_path_alloc_shared(shared->path, mem,
+			      "gstate_alloc_parts(path)") :
+	 gx_path_alloc(mem, "gstate_alloc_parts(path)"));
+    parts->clip_path =
+	(shared ?
+	 gx_cpath_alloc_shared(shared->clip_path, mem,
+			       "gstate_alloc_parts(clip_path)") :
+	 gx_cpath_alloc(mem, "gstate_alloc_parts(clip_path)"));
+    if (!shared || shared->effective_clip_shared) {
+	parts->effective_clip_path = parts->clip_path;
+	parts->effective_clip_shared = true;
+    } else {
+	parts->effective_clip_path =
+	    gx_cpath_alloc_shared(shared->effective_clip_path, mem,
+				  "gstate_alloc_parts(effective_clip_path)");
+	parts->effective_clip_shared = false;
+    }
+    parts->color_space =
+	gs_alloc_struct(mem, gs_color_space, &st_color_space, cname);
+    parts->ccolor =
+	gs_alloc_struct(mem, gs_client_color, &st_client_color, cname);
+    parts->dev_color =
+	gs_alloc_struct(mem, gx_device_color, &st_device_color, cname);
+    if (parts->path == 0 || parts->clip_path == 0 ||
+	parts->effective_clip_path == 0 ||
+	parts->color_space == 0 || parts->ccolor == 0 ||
+	parts->dev_color == 0
+	) {
+	gstate_free_parts(parts, mem, cname);
+	return_error(gs_error_VMerror);
+    }
+    return 0;
+}
+
+/*
+ * Allocate a gstate and its contents.
+ * If pfrom is not NULL, the path, clip_path, and (if distinct from both
+ * clip_path and view_clip) effective_clip_path share the segments of
+ * pfrom's corresponding path(s).
+ */
+private gs_state *
+gstate_alloc(gs_memory_t * mem, client_name_t cname, const gs_state * pfrom)
+{
+    gs_state *pgs =
+    gs_alloc_struct(mem, gs_state, &st_gs_state, cname);
+
+    if (pgs == 0)
+	return 0;
+    if (gstate_alloc_parts(pgs, pfrom, mem, cname) < 0) {
+	gs_free_object(mem, pgs, cname);
+	return 0;
+    }
+    pgs->memory = mem;
+    return pgs;
+}
+
+/* Copy the dash pattern from one gstate to another. */
+private int
+gstate_copy_dash(gs_state * pto, const gs_state * pfrom)
+{
+    return gs_setdash(pto, pfrom->line_params.dash.pattern,
+		      pfrom->line_params.dash.pattern_size,
+		      pfrom->line_params.dash.offset);
+}
+
+/* Clone an existing graphics state. */
+/* Return 0 if the allocation fails. */
+/* If reason is for_gsave, the clone refers to the old contents, */
+/* and we switch the old state to refer to the new contents. */
+private gs_state *
+gstate_clone(gs_state * pfrom, gs_memory_t * mem, client_name_t cname,
+	     gs_state_copy_reason_t reason)
+{
+    gs_state *pgs = gstate_alloc(mem, cname, pfrom);
+    gs_state_parts parts;
+
+    if (pgs == 0)
+	return 0;
+    GSTATE_ASSIGN_PARTS(&parts, pgs);
+    *pgs = *pfrom;
+    /* Copy the dash pattern if necessary. */
+    if (pgs->line_params.dash.pattern) {
+	int code;
+
+	pgs->line_params.dash.pattern = 0;	/* force allocation */
+	code = gstate_copy_dash(pgs, pfrom);
+	if (code < 0)
+	    goto fail;
+    }
+    if (pgs->client_data != 0) {
+	void *pdata = pgs->client_data = (*pgs->client_procs.alloc) (mem);
+
+	if (pdata == 0 ||
+	 gstate_copy_client_data(pgs, pdata, pfrom->client_data, reason) < 0
+	    )
+	    goto fail;
+    }
+    rc_increment(pgs->set_transfer.colored.gray);
+    rc_increment(pgs->set_transfer.colored.red);
+    rc_increment(pgs->set_transfer.colored.green);
+    rc_increment(pgs->set_transfer.colored.blue);
+    rc_increment(pgs->halftone);
+    rc_increment(pgs->dev_ht);
+    rc_increment(pgs->cie_render);
+    rc_increment(pgs->black_generation);
+    rc_increment(pgs->undercolor_removal);
+    rc_increment(pgs->cie_joint_caches);
+    rc_increment(pgs->device);
+    *parts.color_space = *pfrom->color_space;
+    *parts.ccolor = *pfrom->ccolor;
+    *parts.dev_color = *pfrom->dev_color;
+    if (reason == copy_for_gsave) {
+	float *dfrom = pfrom->line_params.dash.pattern;
+	float *dto = pgs->line_params.dash.pattern;
+
+	GSTATE_ASSIGN_PARTS(pfrom, &parts);
+	pgs->line_params.dash.pattern = dfrom;
+	pfrom->line_params.dash.pattern = dto;
+    } else {
+	GSTATE_ASSIGN_PARTS(pgs, &parts);
+    }
+    cs_adjust_counts(pgs, 1);
+    return pgs;
+  fail:
+    gs_free_object(mem, pgs->line_params.dash.pattern, cname);
+    GSTATE_ASSIGN_PARTS(pgs, &parts);
+    gstate_free_parts(pgs, mem, cname);
+    gs_free_object(mem, pgs, cname);
+    return 0;
+}
+
+/* Release the composite parts of a graphics state, */
+/* but not the state itself. */
+private void
+gstate_free_contents(gs_state * pgs)
+{
+    gs_memory_t *mem = pgs->memory;
+    gx_device_halftone *pdht = pgs->dev_ht;
+    const char *const cname = "gstate_free_contents";
+
+#define RCDECR(element)\
+    rc_decrement(pgs->element, cname)
+
+    RCDECR(device);
+    RCDECR(cie_joint_caches);
+    RCDECR(set_transfer.colored.gray);
+    RCDECR(set_transfer.colored.blue);
+    RCDECR(set_transfer.colored.green);
+    RCDECR(set_transfer.colored.red);
+    RCDECR(undercolor_removal);
+    RCDECR(black_generation);
+    RCDECR(cie_render);
+    if (pdht != 0 && pdht->rc.ref_count == 1) {
+	/* Make sure we don't leave dangling pointers in the cache. */
+	gx_ht_cache *pcache = pgs->ht_cache;
+
+	if (pcache->order.bits == pdht->order.bits ||
+	    pcache->order.levels == pdht->order.levels
+	    )
+	    gx_ht_clear_cache(pcache);
+	gx_device_halftone_release(pdht, pdht->rc.memory);
+    }
+    RCDECR(dev_ht);
+    RCDECR(halftone);
+    cs_adjust_counts(pgs, -1);
+    if (pgs->client_data != 0)
+	(*pgs->client_procs.free) (pgs->client_data, mem);
+    gs_free_object(mem, pgs->line_params.dash.pattern, cname);
+    gstate_free_parts(pgs, mem, cname);
+#undef RCDECR
+}
+
+/* Copy one gstate to another. */
+private int
+gstate_copy(gs_state * pto, const gs_state * pfrom,
+	    gs_state_copy_reason_t reason, client_name_t cname)
+{
+    gs_state_parts parts;
+
+    GSTATE_ASSIGN_PARTS(&parts, pto);
+    /* Copy the dash pattern if necessary. */
+    if (pfrom->line_params.dash.pattern || pto->line_params.dash.pattern) {
+	int code = gstate_copy_dash(pto, pfrom);
+
+	if (code < 0)
+	    return code;
+    }
+    /*
+     * It's OK to decrement the counts before incrementing them,
+     * because anything that is going to survive has a count of
+     * at least 2 (pto and somewhere else) initially.
+     * Handle references from contents.
+     */
+    cs_adjust_counts(pto, -1);
+    gx_path_assign_preserve(pto->path, pfrom->path);
+    gx_cpath_assign_preserve(pto->clip_path, pfrom->clip_path);
+    /*
+     * effective_clip_shared will be copied, but we need to do the
+     * right thing with effective_clip_path.
+     */
+    if (pfrom->effective_clip_shared) {
+	/*
+	 * pfrom->effective_clip_path is either pfrom->view_clip or
+	 * pfrom->clip_path.
+	 */
+	parts.effective_clip_path =
+	    (pfrom->effective_clip_path == pfrom->view_clip ?
+	     pto->view_clip : parts.clip_path);
+    } else
+	gx_cpath_assign_preserve(pto->effective_clip_path,
+				 pfrom->effective_clip_path);
+    *parts.color_space = *pfrom->color_space;
+    *parts.ccolor = *pfrom->ccolor;
+    *parts.dev_color = *pfrom->dev_color;
+    cs_adjust_counts(pto, 1);
+    /* Handle references from gstate object. */
+#define RCCOPY(element)\
+    rc_pre_assign(pto->element, pfrom->element, cname)
+    RCCOPY(device);
+    RCCOPY(cie_joint_caches);
+    RCCOPY(set_transfer.colored.gray);
+    RCCOPY(set_transfer.colored.blue);
+    RCCOPY(set_transfer.colored.green);
+    RCCOPY(set_transfer.colored.red);
+    RCCOPY(undercolor_removal);
+    RCCOPY(black_generation);
+    RCCOPY(cie_render);
+    RCCOPY(dev_ht);
+    RCCOPY(halftone);
+    {
+	struct gx_pattern_cache_s *pcache = pto->pattern_cache;
+	void *pdata = pto->client_data;
+	gs_memory_t *mem = pto->memory;
+	gs_state *saved = pto->saved;
+	float *pattern = pto->line_params.dash.pattern;
+
+	*pto = *pfrom;
+	pto->client_data = pdata;
+	pto->memory = mem;
+	pto->saved = saved;
+	pto->line_params.dash.pattern = pattern;
+	if (pto->pattern_cache == 0)
+	    pto->pattern_cache = pcache;
+	if (pfrom->client_data != 0) {
+	    /* We need to break 'const' here. */
+	    gstate_copy_client_data((gs_state *) pfrom, pdata,
+				    pfrom->client_data, reason);
+	}
+    }
+    GSTATE_ASSIGN_PARTS(pto, &parts);
+#undef RCCOPY
+    pto->show_gstate =
+	(pfrom->show_gstate == pfrom ? pto : 0);
+    return 0;
+}
diff --git a/pstoraster/gsstate.h b/pstoraster/gsstate.h
new file mode 100644
index 000000000..65641a57f
--- /dev/null
+++ b/pstoraster/gsstate.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Public graphics state API */
+
+#ifndef gsstate_INCLUDED
+#  define gsstate_INCLUDED
+
+/* Opaque type for a graphics state */
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+
+/* Initial allocation and freeing */
+gs_state *gs_state_alloc(P1(gs_memory_t *));	/* 0 if fails */
+int gs_state_free(P1(gs_state *));
+
+/* Initialization, saving, restoring, and copying */
+int gs_gsave(P1(gs_state *)), gs_grestore(P1(gs_state *)), gs_grestoreall(P1(gs_state *));
+int gs_gsave_for_save(P2(gs_state *, gs_state **)), gs_grestoreall_for_restore(P2(gs_state *, gs_state *));
+gs_state *gs_gstate(P1(gs_state *));
+gs_state *gs_state_copy(P2(gs_state *, gs_memory_t *));
+int gs_copygstate(P2(gs_state * /*to */ , const gs_state * /*from */ )),
+      gs_currentgstate(P2(gs_state * /*to */ , const gs_state * /*from */ )),
+      gs_setgstate(P2(gs_state * /*to */ , const gs_state * /*from */ ));
+int gs_initgraphics(P1(gs_state *));
+
+/* Device control */
+#include "gsdevice.h"
+
+/* Line parameters and quality */
+#include "gsline.h"
+
+/* Color and gray */
+#include "gscolor.h"
+
+/* Halftone screen */
+#include "gsht.h"
+#include "gscsel.h"
+int gs_setscreenphase(P4(gs_state *, int, int, gs_color_select_t));
+int gs_currentscreenphase(P3(const gs_state *, gs_int_point *,
+			     gs_color_select_t));
+
+#define gs_sethalftonephase(pgs, px, py)\
+  gs_setscreenphase(pgs, px, py, gs_color_select_all)
+#define gs_currenthalftonephase(pgs, ppt)\
+  gs_currentscreenphase(pgs, ppt, 0)
+int gx_imager_setscreenphase(P4(gs_imager_state *, int, int,
+				gs_color_select_t));
+
+/* Miscellaneous */
+int gs_setfilladjust(P3(gs_state *, floatp, floatp));
+int gs_currentfilladjust(P2(const gs_state *, gs_point *));
+void gs_setlimitclamp(P2(gs_state *, bool));
+bool gs_currentlimitclamp(P1(const gs_state *));
+
+#endif /* gsstate_INCLUDED */
diff --git a/pstoraster/gsstruct.h b/pstoraster/gsstruct.h
new file mode 100644
index 000000000..f1d0ba825
--- /dev/null
+++ b/pstoraster/gsstruct.h
@@ -0,0 +1,970 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for Ghostscript modules that define allocatable structures */
+/* Requires gstypes.h */
+
+#ifndef gsstruct_INCLUDED
+#  define gsstruct_INCLUDED
+
+/*
+ * Ghostscript structures are defined with names of the form (gs_)xxx_s,
+ * with a corresponding typedef of the form (gs_)xxx or (gs_)xxx_t.
+ * By extension, the structure descriptor is named st_[gs_]xxx.
+ * (Note that the descriptor name may omit the gs_ even if the type has it.)
+ * Structure descriptors are always allocated statically and are
+ * always const; they may be either public or private.
+ *
+ * In order to ensure that there is a descriptor for each structure type,
+ * we require, by convention, that the following always appear together
+ * if the structure is defined in a .h file:
+ *      - The definition of the structure xxx_s;
+ *      - If the descriptor is public, an extern_st(st_xxx);
+ *      - The definition of a macro public_st_xxx() or private_st_xxx()
+ *      that creates the actual descriptor.
+ * This convention makes the descriptor visible (if public) to any module
+ * that can see the structure definition.  This is more liberal than
+ * we would like, but it is a reasonable compromise between restricting
+ * visibility and keeping all the definitional elements of a structure
+ * together.  We require that there be no other externs for (public)
+ * structure descriptors; if the definer of a structure wants to make
+ * available the ability to create an instance but does not want to
+ * expose the structure definition, it must export a creator procedure.
+ *
+ * Because of bugs in some compilers' bookkeeping for undefined structure
+ * types, any file that uses extern_st must include gsstruct.h.
+ * (If it weren't for these bugs, the definition of extern_st could
+ * go in gsmemory.h.)
+ */
+#define extern_st(st) extern const gs_memory_struct_type_t st
+/*
+ * If the structure is defined in a .c file, we require that the following
+ * appear together:
+ *      - The definition of the structure xxx_s;
+ *      - The gs_private_st_xxx macro that creates the descriptor.
+ * Note that we only allow this if the structure is completely private
+ * to a single file.  Again, the file must export a creator procedure
+ * if it wants external clients to be able to create instances.
+ *
+ * Some structures are embedded inside others.  In order to be able to
+ * construct the composite pointer enumeration procedures, for such
+ * structures we must define not only the st_xxx descriptor, but also
+ * a st_xxx_max_ptrs constant that gives the maximum number of pointers
+ * the enumeration procedure will return.  This is an unfortunate consequence
+ * of the method we have chosen for implementing pointer enumeration.
+ *
+ * Some structures may exist as elements of homogenous arrays.
+ * In order to be able to enumerate and relocate such arrays, we adopt
+ * the convention that the structure representing an element must be
+ * distinguished from the structure per se, and the name of the element
+ * structure always ends with "_element".  Element structures cannot be
+ * embedded in other structures.
+ *
+ * Note that the definition of the xxx_s structure may be separate from
+ * the typedef for the type xxx(_t).  This still allows us to have full
+ * structure type abstraction.
+ *
+ * Descriptor definitions are not required for structures to which
+ * no traceable pointers from garbage-collectable space will ever exist.
+ * For example, the struct that defines structure types themselves does not
+ * require a descriptor.
+ */
+
+/* An opaque type for an object header. */
+#ifndef obj_header_DEFINED
+#  define obj_header_DEFINED
+typedef struct obj_header_s obj_header_t;
+
+#endif
+
+/* Define an opaque type for the garbage collector state. */
+typedef struct gc_state_s gc_state_t;
+
+/*
+ * Define pointer types, which define how to mark the referent of the
+ * pointer.
+ */
+/*typedef struct gs_ptr_procs_s gs_ptr_procs_t;*/  /* in gsmemory.h */
+struct gs_ptr_procs_s {
+
+    /* Unmark the referent of a pointer. */
+
+#define ptr_proc_unmark(proc)\
+  void proc(P2(void *, gc_state_t *))
+    ptr_proc_unmark((*unmark));
+
+    /* Mark the referent of a pointer. */
+    /* Return true iff it was unmarked before. */
+
+#define ptr_proc_mark(proc)\
+  bool proc(P2(void *, gc_state_t *))
+    ptr_proc_mark((*mark));
+
+    /* Relocate a pointer. */
+    /* Note that the argument is const, but the */
+    /* return value is not: this shifts the compiler */
+    /* 'discarding const' warning from the call sites */
+    /* (the reloc_ptr routines) to the implementations. */
+
+#define ptr_proc_reloc(proc, typ)\
+  typ *proc(P2(const typ *, gc_state_t *))
+    ptr_proc_reloc((*reloc), void);
+
+};
+/*typedef const gs_ptr_procs_t *gs_ptr_type_t;*/  /* in gsmemory.h */
+
+/* Define the pointer type for ordinary structure pointers. */
+extern const gs_ptr_procs_t ptr_struct_procs;
+#define ptr_struct_type (&ptr_struct_procs)
+
+/* Define the pointer types for a pointer to a gs_[const_]string. */
+extern const gs_ptr_procs_t ptr_string_procs;
+#define ptr_string_type (&ptr_string_procs)
+extern const gs_ptr_procs_t ptr_const_string_procs;
+#define ptr_const_string_type (&ptr_const_string_procs)
+
+/*
+ * Define the type for a GC root.
+ */
+/*typedef struct gs_gc_root_s gs_gc_root_t;*/  /* in gsmemory.h */
+struct gs_gc_root_s {
+    gs_gc_root_t *next;
+    gs_ptr_type_t ptype;
+    void **p;
+    bool free_on_unregister;
+};
+
+#define public_st_gc_root_t()	/* in gsmemory.c */\
+  gs_public_st_ptrs1(st_gc_root_t, gs_gc_root_t, "gs_gc_root_t",\
+    gc_root_enum_ptrs, gc_root_reloc_ptrs, next)
+
+/* Print a root debugging message. */
+#define if_debug_root(c, msg, rp)\
+  if_debug4(c, "%s 0x%lx: 0x%lx -> 0x%lx\n",\
+	    msg, (ulong)(rp), (ulong)(rp)->p, (ulong)*(rp)->p)
+
+/*
+ * We don't want to tie the allocator to using a single garbage collector,
+ * so we pass all the relevant GC procedures in to the structure pointer
+ * enumeration and relocation procedures.  The GC state must begin with
+ * a pointer to the following procedure vector.
+ *
+ * By default, this is all the procedures we know about, but there are
+ * additional procedures defined in the interpreter for dealing with
+ * 'ref' objects.
+ */
+#define string_proc_reloc(proc)\
+  void proc(P2(gs_string *, gc_state_t *))
+#define const_string_proc_reloc(proc)\
+  void proc(P2(gs_const_string *, gc_state_t *))
+#define gc_procs_common\
+	/* Relocate a pointer to an object. */\
+  ptr_proc_reloc((*reloc_struct_ptr), void /*obj_header_t*/);\
+	/* Relocate a pointer to a string. */\
+  string_proc_reloc((*reloc_string));\
+	/* Relocate a pointer to a const string. */\
+  const_string_proc_reloc((*reloc_const_string))
+typedef struct gc_procs_common_s {
+    gc_procs_common;
+} gc_procs_common_t;
+
+#define gc_proc(gcst, proc) ((*(const gc_procs_common_t **)(gcst))->proc)
+
+/*
+ * The first argument of enum_ptrs procedures is logically const *.
+ * Unfortunately, actually declaring it as such would produce many compiler
+ * warnings from places that cast this argument to a non-const non-void
+ * pointer type.  For the moment, we define EV_CONST as empty, with the
+ * intention of changing it to const at some future time.
+ */
+/*#define EV_CONST const */
+#define EV_CONST		/* */
+
+/* Define the procedures for structure types. */
+
+		/* Clear the marks of a structure. */
+
+#define struct_proc_clear_marks(proc)\
+  void proc(P3(void /*obj_header_t*/ *pre, uint size,\
+    const gs_memory_struct_type_t *pstype))
+
+		/* Enumerate the pointers in a structure. */
+
+#define struct_proc_enum_ptrs(proc)\
+  gs_ptr_type_t proc(P6(EV_CONST void /*obj_header_t*/ *ptr, uint size,\
+    int index, const void **pep, const gs_memory_struct_type_t *pstype,\
+    gc_state_t *gcst))
+
+		/* Relocate all the pointers in this structure. */
+
+#define struct_proc_reloc_ptrs(proc)\
+  void proc(P4(void /*obj_header_t*/ *ptr, uint size,\
+    const gs_memory_struct_type_t *pstype, gc_state_t *gcst))
+
+		/*
+		 * Finalize this structure just before freeing it.
+		 * Finalization procedures must not allocate or resize
+		 * any objects in any space managed by the allocator,
+		 * and must not assume that any objects in such spaces
+		 * referenced by this structure still exist.  However,
+		 * finalization procedures may free such objects, and
+		 * may allocate, free, and reference objects allocated
+		 * in other ways, such as objects allocated with malloc
+		 * by libraries.
+		 */
+
+#define struct_proc_finalize(proc)\
+  void proc(P1(void /*obj_header_t*/ *ptr))
+
+/*
+ * A descriptor for an object (structure) type.
+ */
+typedef struct struct_shared_procs_s struct_shared_procs_t;
+
+struct gs_memory_struct_type_s {
+	uint ssize;
+	struct_name_t sname;
+
+	/* ------ Procedures shared among many structure types. ------ */
+	/* Note that this pointer is usually 0. */
+
+	const struct_shared_procs_t *shared;
+
+	/* ------ Procedures specific to this structure type. ------ */
+
+	struct_proc_clear_marks((*clear_marks));
+	struct_proc_enum_ptrs((*enum_ptrs));
+	struct_proc_reloc_ptrs((*reloc_ptrs));
+	struct_proc_finalize((*finalize));
+
+	/* A pointer to additional data for the above procedures. */
+
+	const void *proc_data;
+
+};
+
+#define struct_type_name_string(pstype) ((const char *)((pstype)->sname))
+/* Default pointer processing */
+struct_proc_enum_ptrs(gs_no_struct_enum_ptrs);
+struct_proc_reloc_ptrs(gs_no_struct_reloc_ptrs);
+
+/* Define 'type' descriptors for some standard objects. */
+
+    /* Free blocks */
+
+extern_st(st_free);
+
+    /* Byte objects */
+
+extern_st(st_bytes);
+
+    /* GC roots */
+
+extern_st(st_gc_root_t);
+
+    /* Elements and arrays of const strings. */
+
+#define private_st_const_string()\
+  private const gc_ptr_element_t const_string_elts[] = {\
+    { GC_ELT_CONST_STRING, 0 }\
+  };\
+  gs__st_basic_with_final(private_st, st_const_string, gs_const_string,\
+    "gs_const_string", 1, const_string_elts, const_string_sdata, 0, 0, 0)
+
+extern_st(st_const_string_element);
+#define public_st_const_string_element()\
+  gs_public_st_element(st_const_string_element, gs_const_string,\
+    "gs_const_string[]", const_string_elt_enum_ptrs,\
+    const_string_elt_reloc_ptrs, st_const_string)
+
+/* ================ Macros for defining structure types ================ */
+
+#define public_st public const gs_memory_struct_type_t
+#define private_st private const gs_memory_struct_type_t
+
+/*
+ * As an alternative to defining different enum_ptrs and reloc_ptrs
+ * procedures for basic structure types that only have a fixed number of
+ * pointers and possibly a single supertype, we can define the type's GC
+ * information using stock procedures and a table.  Each entry in the table
+ * defines one element of the structure.
+ */
+
+/* Define the pointer types of individual elements. */
+
+typedef enum {
+    GC_ELT_OBJ,			/* obj * or const obj * */
+    GC_ELT_STRING,		/* gs_string */
+    GC_ELT_CONST_STRING,	/* gs_const_string */
+    GC_ELT_REF
+} gc_ptr_type_index_t;
+
+typedef struct gc_ptr_element_s {
+    ushort /*gc_ptr_type_index_t */ type;
+    ushort offset;
+} gc_ptr_element_t;
+
+#define GC_OBJ_ELT(typ, elt)\
+  { GC_ELT_OBJ, offset_of(typ, elt) }
+#define GC_OBJ_ELT2(typ, e1, e2)\
+  GC_OBJ_ELT(typ, e1), GC_OBJ_ELT(typ, e2)
+#define GC_OBJ_ELT3(typ, e1, e2, e3)\
+  GC_OBJ_ELT(typ, e1), GC_OBJ_ELT(typ, e2), GC_OBJ_ELT(typ, e3)
+#define GC_STRING_ELT(typ, elt)\
+  { GC_ELT_STRING, offset_of(typ, elt) }
+#define GC_CONST_STRING_ELT(typ, elt)\
+  { GC_ELT_CONST_STRING, offset_of(typ, elt) }
+#define GC_REF_ELT(typ, elt)\
+  { GC_ELT_REF, offset_of(typ, elt) }
+
+/* Define the complete table of descriptor data. */
+
+typedef struct gc_struct_data_s {
+    ushort num_ptrs;
+    ushort super_offset;
+    const gs_memory_struct_type_t *super_type; /* 0 if none */
+    const gc_ptr_element_t *ptrs;
+} gc_struct_data_t;
+
+/*
+ * Define the enum_ptrs and reloc_ptrs procedures, and the declaration
+ * macros, for table-specified structures.  For such structures, the
+ * proc_data points to a gc_struct_data_t.  The standard defining form
+ * is:
+
+ private const gc_ptr_element_t XXX[] = {
+    ... elements ...
+ };
+ gs_(private|public)_st_basic(stname, stype, sname, XXX, YYY, supst, supoff);
+
+ */
+struct_proc_enum_ptrs(basic_enum_ptrs);
+struct_proc_reloc_ptrs(basic_reloc_ptrs);
+
+#define gs__st_basic_with_final(scope_st, stname, stype, sname, nelts, elts, sdata, supst, supoff, pfinal)\
+  private const gc_struct_data_t sdata = {\
+    nelts, supoff, supst, elts\
+  };\
+  scope_st stname = {\
+    sizeof(stype), sname, 0, 0, basic_enum_ptrs, basic_reloc_ptrs,\
+    pfinal, &sdata\
+  }
+#define gs__st_basic_final(scope_st, stname, stype, sname, elts, sdata, supst, supoff, pfinal)\
+  gs__st_basic_with_final(scope_st, stname, stype, sname, countof(elts), elts, sdata, supst, supoff, pfinal)
+#define gs_public_st_basic_final(stname, stype, sname, elts, sdata, supst, supoff, pfinal)\
+  gs__st_basic_final(public_st, stname, stype, sname, elts, sdata, supst, supoff, pfinal)
+#define gs_private_st_basic_final(stname, stype, sname, elts, sdata, supst, supoff, pfinal)\
+  gs__st_basic_final(private_st, stname, stype, sname, elts, sdata, supst, supoff, pfinal)
+#define gs__st_basic(scope_st, stname, stype, sname, elts, sdata, supst, supoff)\
+  gs__st_basic_with_final(scope_st, stname, stype, sname, countof(elts), elts, sdata, supst, supoff, 0)
+#define gs_public_st_basic(stname, stype, sname, elts, sdata, supst, supoff)\
+  gs__st_basic(public_st, stname, stype, sname, elts, sdata, supst, supoff)
+#define gs_private_st_basic(stname, stype, sname, elts, sdata, supst, supoff)\
+  gs__st_basic(private_st, stname, stype, sname, elts, sdata, supst, supoff)
+
+/*
+ * The simplest kind of composite structure is one with a fixed set of
+ * pointers, each of which points to a struct.  We provide macros for
+ * defining this kind of structure conveniently, either all at once in
+ * the structure definition macro, or using the following template:
+
+ ENUM_PTRS_BEGIN(xxx_enum_ptrs) return 0;
+ ... ENUM_PTR(i, xxx, elt); ...
+ ENUM_PTRS_END
+ RELOC_PTRS_BEGIN(xxx_reloc_ptrs) ;
+ ... RELOC_PTR(xxx, elt) ...
+ RELOC_PTRS_END
+
+ */
+/*
+ * We have to pull the 'private' outside the ENUM_PTRS_BEGIN and
+ * RELOC_PTRS_BEGIN macros because of a bug in the Borland C++ preprocessor.
+ * We also have to make sure there is more on the line after these
+ * macros, so as not to confuse ansi2knr.
+ */
+
+     /* Begin enumeration */
+
+#ifdef __PROTOTYPES__
+#  define ENUM_PTRS_BEGIN_PROC(proc)\
+    gs_ptr_type_t proc(EV_CONST void *vptr, uint size, int index, const void **pep, const gs_memory_struct_type_t *pstype, gc_state_t *gcst)
+#else
+#  define ENUM_PTRS_BEGIN_PROC(proc)\
+    gs_ptr_type_t proc(vptr, size, index, pep, pstype, gcst) EV_CONST void *vptr; uint size; int index; const void **pep; const gs_memory_struct_type_t *pstype; gc_state_t *gcst;
+#endif
+#define ENUM_PTRS_BEGIN(proc)\
+  ENUM_PTRS_BEGIN_PROC(proc) { switch ( index ) { default:
+
+    /* Enumerate elements */
+
+#define ENUM_OBJ(ptr)		/* pointer to object */\
+  (*pep = (const void *)(ptr), ptr_struct_type)
+#define ENUM_STRING(ptr)	/* pointer to gs_string */\
+  (*pep = (const void *)(ptr), ptr_string_type)
+#define ENUM_CONST_STRING(ptr)	/* pointer to gs_const_string */\
+  (*pep = (const void *)(ptr), ptr_const_string_type)
+
+#define ENUM_OBJ_ELT(typ, elt)\
+  ENUM_OBJ(((const typ *)vptr)->elt)
+#define ENUM_STRING_ELT(typ, elt)\
+  ENUM_STRING(&((const typ *)vptr)->elt)
+#define ENUM_CONST_STRING_ELT(typ, elt)\
+  ENUM_CONST_STRING(&((const typ *)vptr)->elt)
+
+#define ENUM_PTR(i, typ, elt)\
+  case i: return ENUM_OBJ_ELT(typ, elt)
+#define ENUM_PTR3(i, typ, e1, e2, e3) /* just an abbreviation */\
+  ENUM_PTR(i, typ, e1); ENUM_PTR((i)+1, typ, e2); ENUM_PTR((i)+2, typ, e3)
+#define ENUM_STRING_PTR(i, typ, elt)\
+  case i: return ENUM_STRING_ELT(typ, elt)
+#define ENUM_CONST_STRING_PTR(i, typ, elt)\
+  case i: return ENUM_CONST_STRING_ELT(typ, elt)
+
+    /* End enumeration */
+
+#define ENUM_PTRS_END\
+  } /* mustn't fall through! */ ENUM_PTRS_END_PROC }
+#define ENUM_PTRS_END_PROC	/* */
+
+    /* Begin relocation */
+
+#ifdef __PROTOTYPES__
+#  define RELOC_PTRS_BEGIN(proc)\
+    void proc(void *vptr, uint size, const gs_memory_struct_type_t *pstype, gc_state_t *gcst) {
+#else
+#  define RELOC_PTRS_BEGIN(proc)\
+    void proc(vptr, size, pstype, gcst) void *vptr; uint size; const gs_memory_struct_type_t *pstype; gc_state_t *gcst; {
+#endif
+
+    /* Relocate elements */
+
+#define RELOC_OBJ(ptr)\
+  (gc_proc(gcst, reloc_struct_ptr)((const void *)(ptr), gcst))
+#define RELOC_OBJ_VAR(ptrvar)\
+  (ptrvar = RELOC_OBJ(ptrvar))
+#define RELOC_STRING_VAR(ptrvar)\
+  (gc_proc(gcst, reloc_string)(&(ptrvar), gcst))
+#define RELOC_CONST_STRING_VAR(ptrvar)\
+  (gc_proc(gcst, reloc_const_string)(&(ptrvar), gcst))
+
+#define RELOC_OBJ_ELT(typ, elt)\
+  RELOC_VAR(((typ *)vptr)->elt)
+#define RELOC_STRING_ELT(typ, elt)\
+  RELOC_STRING_VAR(((typ *)vptr)->elt)
+#define RELOC_CONST_STRING_ELT(typ, elt)\
+  RELOC_CONST_STRING_VAR(((typ *)vptr)->elt)
+
+/* Relocate a pointer that points to a known offset within an object. */
+/* OFFSET is for byte offsets, TYPED_OFFSET is for element offsets. */
+#define RELOC_OFFSET_ELT(typ, elt, offset)\
+  ((typ *)vptr)->elt = (void *)\
+    ((char *)RELOC_OBJ((char *)((typ *)vptr)->elt - (offset)) +\
+     (offset))
+#define RELOC_TYPED_OFFSET_ELT(typ, elt, offset)\
+  (((typ *)vptr)->elt = (void *)RELOC_OBJ(((typ *)vptr)->elt - (offset)),\
+   ((typ *)vptr)->elt += (offset))
+
+    /* Backward compatibility */
+
+#define RELOC_VAR(ptrvar)\
+  RELOC_OBJ_VAR(ptrvar)
+#define RELOC_PTR(typ, elt)\
+  RELOC_OBJ_ELT(typ, elt)
+#define RELOC_PTR3(typ, e1, e2, e3) /* just an abbreviation */\
+  RELOC_PTR(typ,e1); RELOC_PTR(typ,e2); RELOC_PTR(typ,e3)
+#define RELOC_OFFSET_PTR(typ, elt, offset)\
+  RELOC_OFFSET_ELT(typ, elt, offset)
+#define RELOC_TYPED_OFFSET_PTR(typ, elt, offset)\
+  RELOC_TYPED_OFFSET_ELT(typ, elt, offset)
+#define RELOC_STRING_PTR(typ, elt)\
+  RELOC_STRING_ELT(typ, elt)
+#define RELOC_CONST_STRING_PTR(typ, elt)\
+  RELOC_CONST_STRING_ELT(typ, elt)
+
+    /* End relocation */
+
+#define RELOC_PTRS_END\
+  }
+
+    /* Subclass support */
+
+#define ENUM_USING(supst, ptr, size, index)\
+  (*(supst).enum_ptrs)(ptr, size, index, pep, &(supst), gcst)
+
+#define RELOC_USING(supst, ptr, size)\
+  (*(supst).reloc_ptrs)(ptr, size, &(supst), gcst)
+
+    /*
+     * Support for suffix subclasses.  Special subclasses constructed
+     * 'by hand' may use this also.
+     */
+
+#define ENUM_PREFIX(supst, n)\
+  return ENUM_USING(supst, vptr, size, index-(n))
+
+#define RELOC_PREFIX(supst)\
+  RELOC_USING(supst, vptr, size)
+
+    /*
+     * Support for general subclasses.
+     */
+
+#define ENUM_SUPER_ELT(stype, supst, member, n)\
+  ENUM_USING(supst, &((EV_CONST stype *)vptr)->member, sizeof(((EV_CONST stype *)vptr)->member), index-(n))
+#define ENUM_SUPER(stype, supst, member, n)\
+  return ENUM_SUPER_ELT(stype, supst, member, n)
+
+#define RELOC_SUPER_ELT(stype, supst, member)\
+  RELOC_USING(supst, &((stype *)vptr)->member, sizeof(((stype *)vptr)->member))
+#define RELOC_SUPER(stype, supst, member)\
+  RELOC_SUPER_ELT(stype, supst, member)
+
+    /* Backward compatibility. */
+
+#define ENUM_RETURN(ptr) return ENUM_OBJ(ptr)
+#define ENUM_RETURN_PTR(typ, elt) return ENUM_OBJ_ELT(typ, elt)
+#define ENUM_RETURN_STRING_PTR(typ, elt) return ENUM_STRING_ELT(typ, elt)
+#define ENUM_RETURN_CONST_STRING(ptr) return ENUM_CONST_STRING(ptr)
+#define ENUM_RETURN_CONST_STRING_PTR(typ, elt) return ENUM_CONST_STRING_ELT(typ, elt)
+
+/* -------------- Simple structures (no internal pointers). -------------- */
+
+#define gs__st_simple(scope_st, stname, stype, sname)\
+  scope_st stname = { sizeof(stype), sname, 0, 0, gs_no_struct_enum_ptrs, gs_no_struct_reloc_ptrs, 0 }
+#define gs_public_st_simple(stname, stype, sname)\
+  gs__st_simple(public_st, stname, stype, sname)
+#define gs_private_st_simple(stname, stype, sname)\
+  gs__st_simple(private_st, stname, stype, sname)
+
+/* ---------------- Structures with explicit procedures. ---------------- */
+
+/*
+ * Boilerplate for clear_marks procedures.
+ */
+#ifdef __PROTOTYPES__
+#  define CLEAR_MARKS_PROC(proc)\
+    void proc(void *vptr, uint size, const gs_memory_struct_type_t *pstype)
+#else
+#  define CLEAR_MARKS_PROC(proc)\
+    void proc(vptr, size, pstype) void *vptr; uint size; const gs_memory_struct_type_t *pstype;
+#endif
+
+	/* Complex structures with their own clear_marks, */
+	/* enum, reloc, and finalize procedures. */
+
+#define gs__st_complex_only(scope_st, stname, stype, sname, pclear, penum, preloc, pfinal)\
+  scope_st stname = { sizeof(stype), sname, 0, pclear, penum, preloc, pfinal }
+#define gs_public_st_complex_only(stname, stype, sname, pclear, penum, preloc, pfinal)\
+  gs__st_complex_only(public_st, stname, stype, sname, pclear, penum, preloc, pfinal)
+#define gs_private_st_complex_only(stname, stype, sname, pclear, penum, preloc, pfinal)\
+  gs__st_complex_only(private_st, stname, stype, sname, pclear, penum, preloc, pfinal)
+
+#define gs__st_complex(scope_st, stname, stype, sname, pclear, penum, preloc, pfinal)\
+  private struct_proc_clear_marks(pclear);\
+  private struct_proc_enum_ptrs(penum);\
+  private struct_proc_reloc_ptrs(preloc);\
+  private struct_proc_finalize(pfinal);\
+  gs__st_complex_only(scope_st, stname, stype, sname, pclear, penum, preloc, pfinal)
+#define gs_public_st_complex(stname, stype, sname, pclear, penum, preloc, pfinal)\
+  gs__st_complex(public_st, stname, stype, sname, pclear, penum, preloc, pfinal)
+#define gs_private_st_complex(stname, stype, sname, pclear, penum, preloc, pfinal)\
+  gs__st_complex(private_st, stname, stype, sname, pclear, penum, preloc, pfinal)
+
+	/* Composite structures with their own enum and reloc procedures. */
+
+#define gs__st_composite(scope_st, stname, stype, sname, penum, preloc)\
+  private struct_proc_enum_ptrs(penum);\
+  private struct_proc_reloc_ptrs(preloc);\
+  gs__st_complex_only(scope_st, stname, stype, sname, 0, penum, preloc, 0)
+#define gs_public_st_composite(stname, stype, sname, penum, preloc)\
+  gs__st_composite(public_st, stname, stype, sname, penum, preloc)
+#define gs_private_st_composite(stname, stype, sname, penum, preloc)\
+  gs__st_composite(private_st, stname, stype, sname, penum, preloc)
+
+	/* Composite structures with finalization. */
+
+#define gs__st_composite_final(scope_st, stname, stype, sname, penum, preloc, pfinal)\
+  private struct_proc_enum_ptrs(penum);\
+  private struct_proc_reloc_ptrs(preloc);\
+  private struct_proc_finalize(pfinal);\
+  gs__st_complex_only(scope_st, stname, stype, sname, 0, penum, preloc, pfinal)
+#define gs_public_st_composite_final(stname, stype, sname, penum, preloc, pfinal)\
+  gs__st_composite_final(public_st, stname, stype, sname, penum, preloc, pfinal)
+#define gs_private_st_composite_final(stname, stype, sname, penum, preloc, pfinal)\
+  gs__st_composite_final(private_st, stname, stype, sname, penum, preloc, pfinal)
+
+	/* Composite structures with enum and reloc procedures */
+	/* already declared. */
+
+#define gs__st_composite_only(scope_st, stname, stype, sname, penum, preloc)\
+  gs__st_complex_only(scope_st, stname, stype, sname, 0, penum, preloc, 0)
+#define gs_public_st_composite_only(stname, stype, sname, penum, preloc)\
+  gs__st_composite_only(public_st, stname, stype, sname, penum, preloc)
+#define gs_private_st_composite_only(stname, stype, sname, penum, preloc)\
+  gs__st_composite_only(private_st, stname, stype, sname, penum, preloc)
+
+/* ---------------- Special kinds of structures ---------------- */
+
+	/* Element structures, for use in arrays of structures. */
+	/* Note that these require that the underlying structure's */
+	/* enum_ptrs procedure always return the same number of pointers. */
+
+#define gs__st_element(scope_st, stname, stype, sname, penum, preloc, basest)\
+  private ENUM_PTRS_BEGIN_PROC(penum) {\
+    uint count = size / (uint)sizeof(stype);\
+    if ( count == 0 ) return 0;\
+    return ENUM_USING(basest, (EV_CONST char *)vptr + (index % count) * sizeof(stype),\
+      sizeof(stype), index / count);\
+  } ENUM_PTRS_END_PROC\
+  private RELOC_PTRS_BEGIN(preloc) {\
+    uint count = size / (uint)sizeof(stype);\
+    for ( ; count; count--, vptr = (char *)vptr + sizeof(stype) )\
+      RELOC_USING(basest, vptr, sizeof(stype));\
+  } RELOC_PTRS_END\
+  gs__st_composite_only(scope_st, stname, stype, sname, penum, preloc)
+#define gs_public_st_element(stname, stype, sname, penum, preloc, basest)\
+  gs__st_element(public_st, stname, stype, sname, penum, preloc, basest)
+#define gs_private_st_element(stname, stype, sname, penum, preloc, basest)\
+  gs__st_element(private_st, stname, stype, sname, penum, preloc, basest)
+
+	/* A "structure" just consisting of a pointer. */
+	/* Note that in this case only, stype is a pointer type. */
+	/* Fortunately, C's bizarre 'const' syntax does what we want here. */
+
+#define gs__st_ptr(scope_st, stname, stype, sname, penum, preloc)\
+  private ENUM_PTRS_BEGIN(penum) return 0;\
+    case 0: return ENUM_OBJ(*(stype const *)vptr);\
+  ENUM_PTRS_END\
+  private RELOC_PTRS_BEGIN(preloc) ;\
+    RELOC_VAR(*(stype *)vptr);\
+  RELOC_PTRS_END\
+  gs__st_composite_only(scope_st, stname, stype, sname, penum, preloc)
+#define gs_public_st_ptr(stname, stype, sname, penum, preloc)\
+  gs__st_ptr(public_st, stname, stype, sname, penum, preloc)
+#define gs_private_st_ptr(stname, stype, sname, penum, preloc)\
+  gs__st_ptr(private_st, stname, stype, sname, penum, preloc)
+
+/* ---------- Ordinary structures with a fixed set of pointers ----------- */
+/* Note that we "cannibalize" the penum and preloc names for elts and sdata. */
+
+	/* Structures with 1 pointer. */
+
+#define gs__st_ptrs1(scope_st, stname, stype, sname, penum, preloc, e1)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT(stype, e1)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs1(stname, stype, sname, penum, preloc, e1)\
+  gs__st_ptrs1(public_st, stname, stype, sname, penum, preloc, e1)
+#define gs_private_st_ptrs1(stname, stype, sname, penum, preloc, e1)\
+  gs__st_ptrs1(private_st, stname, stype, sname, penum, preloc, e1)
+
+	/* Structures with 1 string. */
+
+#define gs__st_strings1(scope_st, stname, stype, sname, penum, preloc, e1)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_STRING_ELT(stype, e1)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_strings1(stname, stype, sname, penum, preloc, e1)\
+  gs__st_strings1(public_st, stname, stype, sname, penum, preloc, e1)
+#define gs_private_st_strings1(stname, stype, sname, penum, preloc, e1)\
+  gs__st_strings1(private_st, stname, stype, sname, penum, preloc, e1)
+
+	/* Structures with 1 const string. */
+
+#define gs__st_const_strings1(scope_st, stname, stype, sname, penum, preloc, e1)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_CONST_STRING_ELT(stype, e1)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_const_strings1(stname, stype, sname, penum, preloc, e1)\
+  gs__st_const_strings1(public_st, stname, stype, sname, penum, preloc, e1)
+#define gs_private_st_const_strings1(stname, stype, sname, penum, preloc, e1)\
+  gs__st_const_strings1(private_st, stname, stype, sname, penum, preloc, e1)
+
+	/* Structures with 1 pointer and 1 string. */
+
+#define gs__st_ptrs1_strings1(scope_st, stname, stype, sname, penum, preloc, e1, e2)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT(stype, e1), GC_STRING_ELT(stype, e2)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs1_strings1(stname, stype, sname, penum, preloc, e1, e2)\
+  gs__st_ptrs1_strings1(public_st, stname, stype, sname, penum, preloc, e1, e2)
+#define gs_private_st_ptrs1_strings1(stname, stype, sname, penum, preloc, e1, e2)\
+  gs__st_ptrs1_strings1(private_st, stname, stype, sname, penum, preloc, e1, e2)
+
+	/* Structures with 1 pointer and 2 strings. */
+
+#define gs__st_ptrs1_strings2(scope_st, stname, stype, sname, penum, preloc, e1, e2, e3)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT(stype, e1), GC_STRING_ELT(stype, e2), GC_STRING_ELT(stype, e3)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs1_strings2(stname, stype, sname, penum, preloc, e1, e2, e3)\
+  gs__st_ptrs1_strings2(public_st, stname, stype, sname, penum, preloc, e1, e2, e3)
+#define gs_private_st_ptrs1_strings2(stname, stype, sname, penum, preloc, e1, e2, e3)\
+  gs__st_ptrs1_strings2(private_st, stname, stype, sname, penum, preloc, e1, e2, e3)
+
+	/* Structures with 2 const strings. */
+
+#define gs__st_const_strings2(scope_st, stname, stype, sname, penum, preloc, e1, e2)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_CONST_STRING_ELT(stype, e1), GC_CONST_STRING_ELT(stype, e2)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_const_strings2(stname, stype, sname, penum, preloc, e1, e2)\
+  gs__st_const_strings2(public_st, stname, stype, sname, penum, preloc, e1, e2)
+#define gs_private_st_const_strings2(stname, stype, sname, penum, preloc, e1, e2)\
+  gs__st_const_strings2(private_st, stname, stype, sname, penum, preloc, e1, e2)
+
+	/* Structures with 2 pointers. */
+
+#define gs__st_ptrs2(scope_st, stname, stype, sname, penum, preloc, e1, e2)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT2(stype, e1, e2)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs2(stname, stype, sname, penum, preloc, e1, e2)\
+  gs__st_ptrs2(public_st, stname, stype, sname, penum, preloc, e1, e2)
+#define gs_private_st_ptrs2(stname, stype, sname, penum, preloc, e1, e2)\
+  gs__st_ptrs2(private_st, stname, stype, sname, penum, preloc, e1, e2)
+
+	/* Structures with 3 pointers. */
+
+#define gs__st_ptrs3(scope_st, stname, stype, sname, penum, preloc, e1, e2, e3)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs3(stname, stype, sname, penum, preloc, e1, e2, e3)\
+  gs__st_ptrs3(public_st, stname, stype, sname, penum, preloc, e1, e2, e3)
+#define gs_private_st_ptrs3(stname, stype, sname, penum, preloc, e1, e2, e3)\
+  gs__st_ptrs3(private_st, stname, stype, sname, penum, preloc, e1, e2, e3)
+
+	/* Structures with 4 pointers. */
+
+#define gs__st_ptrs4(scope_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3), GC_OBJ_ELT(stype, e4)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs4(stname, stype, sname, penum, preloc, e1, e2, e3, e4)\
+  gs__st_ptrs4(public_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4)
+#define gs_private_st_ptrs4(stname, stype, sname, penum, preloc, e1, e2, e3, e4)\
+  gs__st_ptrs4(private_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4)
+
+	/* Structures with 5 pointers. */
+
+#define gs__st_ptrs5(scope_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3), GC_OBJ_ELT2(stype, e4, e5)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs5(stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5)\
+  gs__st_ptrs5(public_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5)
+#define gs_private_st_ptrs5(stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5)\
+  gs__st_ptrs5(private_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5)
+
+	/* Structures with 6 pointers. */
+
+#define gs__st_ptrs6(scope_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5, e6)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3), GC_OBJ_ELT3(stype, e4, e5, e6)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, 0, 0)
+#define gs_public_st_ptrs6(stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5, e6)\
+  gs__st_ptrs6(public_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5, e6)
+#define gs_private_st_ptrs6(stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5, e6)\
+  gs__st_ptrs6(private_st, stname, stype, sname, penum, preloc, e1, e2, e3, e4, e5, e6)
+
+/* ---------------- Suffix subclasses ---------------- */
+
+	/* Suffix subclasses with no additional pointers. */
+
+#define gs__st_suffix_add0(scope_st, stname, stype, sname, penum, preloc, supstname)\
+  gs__st_basic_with_final(scope_st, stname, stype, sname, 0, 0, preloc, &supstname, 0, 0)
+#define gs_public_st_suffix_add0(stname, stype, sname, penum, preloc, supstname)\
+  gs__st_suffix_add0(public_st, stname, stype, sname, penum, preloc, supstname)
+#define gs_private_st_suffix_add0(stname, stype, sname, penum, preloc, supstname)\
+  gs__st_suffix_add0(private_st, stname, stype, sname, penum, preloc, supstname)
+
+	/* Suffix subclasses with no additional pointers, */
+	/* and with the superclass defined earlier in the same file */
+	/* as a 'basic' type. */
+	/* In this case, we don't even need new procedures. */
+
+#define gs__st_suffix_add0_local(scope_st, stname, stype, sname, supenum, supreloc, supstname)\
+  scope_st stname = {\
+    sizeof(stype), sname, 0, 0, basic_enum_ptrs, basic_reloc_ptrs,\
+    0, &supreloc\
+  }
+#define gs_public_st_suffix_add0_local(stname, stype, sname, supenum, supreloc, supstname)\
+  gs__st_suffix_add0_local(public_st, stname, stype, sname, supenum, supreloc, supstname)
+#define gs_private_st_suffix_add0_local(stname, stype, sname, supenum, supreloc, supstname)\
+  gs__st_suffix_add0_local(private_st, stname, stype, sname, supenum, supreloc, supstname)
+
+	/* Suffix subclasses with no additional pointers and finalization. */
+	/* This is a hack -- subclasses should inherit finalization, */
+	/* but that would require a superclass pointer in the descriptor, */
+	/* which would perturb things too much right now. */
+
+#define gs__st_suffix_add0_final(scope_st, stname, stype, sname, penum, preloc, pfinal, supstname)\
+  private ENUM_PTRS_BEGIN_PROC(penum) {\
+    ENUM_PREFIX(supstname, 0);\
+  } ENUM_PTRS_END_PROC\
+  private RELOC_PTRS_BEGIN(preloc) {\
+    RELOC_PREFIX(supstname);\
+  } RELOC_PTRS_END\
+  gs__st_complex_only(scope_st, stname, stype, sname, 0, penum, preloc, pfinal)
+#define gs_public_st_suffix_add0_final(stname, stype, sname, penum, preloc, pfinal, supstname)\
+  gs__st_suffix_add0_final(public_st, stname, stype, sname, penum, preloc, pfinal, supstname)
+#define gs_private_st_suffix_add0_final(stname, stype, sname, penum, preloc, pfinal, supstname)\
+  gs__st_suffix_add0_final(private_st, stname, stype, sname, penum, preloc, pfinal, supstname)
+
+	/* Suffix subclasses with 1 additional pointer. */
+
+#define gs__st_suffix_add1(scope_st, stname, stype, sname, penum, preloc, supstname, e1)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT(stype, e1)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, &supstname, 0)
+#define gs_public_st_suffix_add1(stname, stype, sname, penum, preloc, supstname, e1)\
+  gs__st_suffix_add1(public_st, stname, stype, sname, penum, preloc, supstname, e1)
+#define gs_private_st_suffix_add1(stname, stype, sname, penum, preloc, supstname, e1)\
+  gs__st_suffix_add1(private_st, stname, stype, sname, penum, preloc, supstname, e1)
+
+	/* Suffix subclasses with 1 additional pointer and finalization. */
+	/* See above regarding finalization and subclasses. */
+
+#define gs__st_suffix_add1_final(scope_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT(stype, e1)\
+  };\
+  gs__st_basic_final(scope_st, stname, stype, sname, penum, preloc, &supstname, 0, pfinal)
+#define gs_public_st_suffix_add1_final(stname, stype, sname, penum, preloc, pfinal, supstname, e1)\
+  gs__st_suffix_add1_final(public_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1)
+#define gs_private_st_suffix_add1_final(stname, stype, sname, penum, preloc, pfinal, supstname, e1)\
+  gs__st_suffix_add1_final(private_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1)
+
+	/* Suffix subclasses with 2 additional pointers. */
+
+#define gs__st_suffix_add2(scope_st, stname, stype, sname, penum, preloc, supstname, e1, e2)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT2(stype, e1, e2)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, &supstname, 0)
+#define gs_public_st_suffix_add2(stname, stype, sname, penum, preloc, supstname, e1, e2)\
+  gs__st_suffix_add2(public_st, stname, stype, sname, penum, preloc, supstname, e1, e2)
+#define gs_private_st_suffix_add2(stname, stype, sname, penum, preloc, supstname, e1, e2)\
+  gs__st_suffix_add2(private_st, stname, stype, sname, penum, preloc, supstname, e1, e2)
+
+	/* Suffix subclasses with 2 additional pointers and finalization. */
+	/* See above regarding finalization and subclasses. */
+
+#define gs__st_suffix_add2_final(scope_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT2(stype, e1, e2)\
+  };\
+  gs__st_basic_final(scope_st, stname, stype, sname, penum, preloc, &supstname, 0, pfinal)
+#define gs_public_st_suffix_add2_final(stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2)\
+  gs__st_suffix_add2_final(public_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2)
+#define gs_private_st_suffix_add2_final(stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2)\
+  gs__st_suffix_add2_final(private_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2)
+
+	/* Suffix subclasses with 3 additional pointers. */
+
+#define gs__st_suffix_add3(scope_st, stname, stype, sname, penum, preloc, supstname, e1, e2, e3)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, &supstname, 0)
+#define gs_public_st_suffix_add3(stname, stype, sname, penum, preloc, supstname, e1, e2, e3)\
+  gs__st_suffix_add3(public_st, stname, stype, sname, penum, preloc, supstname, e1, e2, e3)
+#define gs_private_st_suffix_add3(stname, stype, sname, penum, preloc, supstname, e1, e2, e3)\
+  gs__st_suffix_add3(private_st, stname, stype, sname, penum, preloc, supstname, e1, e2, e3)
+
+	/* Suffix subclasses with 3 additional pointers and finalization. */
+	/* See above regarding finalization and subclasses. */
+
+#define gs__st_suffix_add3_final(scope_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2, e3)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3)\
+  };\
+  gs__st_basic_final(scope_st, stname, stype, sname, penum, preloc, &supstname, 0, pfinal)
+#define gs_public_st_suffix_add3_final(stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2, e3)\
+  gs__st_suffix_add3_final(public_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2, e3)
+#define gs_private_st_suffix_add3_final(stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2, e3)\
+  gs__st_suffix_add3_final(private_st, stname, stype, sname, penum, preloc, pfinal, supstname, e1, e2, e3)
+
+	/* Suffix subclasses with 4 additional pointers. */
+
+#define gs__st_suffix_add4(scope_st, stname, stype, sname, penum, preloc, supstname, e1, e2, e3, e4)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT3(stype, e1, e2, e3), GC_OBJ_ELT(stype, e4)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, &supstname, 0)
+#define gs_public_st_suffix_add4(stname, stype, sname, penum, preloc, supstname, e1, e2, e3, e4)\
+  gs__st_suffix_add4(public_st, stname, stype, sname, penum, preloc, supstname, e1, e2, e3, e4)
+#define gs_private_st_suffix_add4(stname, stype, sname, penum, preloc, supstname, e1, e2, e3, e4)\
+  gs__st_suffix_add4(private_st, stname, stype, sname, penum, preloc, supstname, e1, e2, e3, e4)
+
+/* ---------------- General subclasses ---------------- */
+
+	/* General subclasses with no additional pointers. */
+
+#define gs__st_ptrs_add0(scope_st, stname, stype, sname, penum, preloc, supstname, member)\
+  gs__st_basic_with_final(scope_st, stname, stype, sname, 0, 0, preloc, &supstname, offset_of(stype, member), 0)
+#define gs_public_st_ptrs_add0(stname, stype, sname, penum, preloc, supstname, member)\
+  gs__st_ptrs_add0(public_st, stname, stype, sname, penum, preloc, supstname, member)
+#define gs_private_st_ptrs_add0(stname, stype, sname, penum, preloc, supstname, member)\
+  gs__st_ptrs_add0(private_st, stname, stype, sname, penum, preloc, supstname, member)
+
+	/* General subclasses with 1 additional pointer. */
+
+#define gs__st_ptrs_add1(scope_st, stname, stype, sname, penum, preloc, supstname, member, e1)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT(stype, e1)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, &supstname, offset_of(stype, member))
+#define gs_public_st_ptrs_add1(stname, stype, sname, penum, preloc, supstname, member, e1)\
+  gs__st_ptrs_add1(public_st, stname, stype, sname, penum, preloc, supstname, member, e1)
+#define gs_private_st_ptrs_add1(stname, stype, sname, penum, preloc, supstname, member, e1)\
+  gs__st_ptrs_add1(private_st, stname, stype, sname, penum, preloc, supstname, member, e1)
+
+	/* General subclasses with 2 additional pointers. */
+
+#define gs__st_ptrs_add2(scope_st, stname, stype, sname, penum, preloc, supstname, member, e1, e2)\
+  private const gc_ptr_element_t penum[] = {\
+    GC_OBJ_ELT2(stype, e1, e2)\
+  };\
+  gs__st_basic(scope_st, stname, stype, sname, penum, preloc, &supstname, offset_of(stype, member))
+#define gs_public_st_ptrs_add2(stname, stype, sname, penum, preloc, supstname, member, e1, e2)\
+  gs__st_ptrs_add2(public_st, stname, stype, sname, penum, preloc, supstname, member, e1, e2)
+#define gs_private_st_ptrs_add2(stname, stype, sname, penum, preloc, supstname, member, e1, e2)\
+  gs__st_ptrs_add2(private_st, stname, stype, sname, penum, preloc, supstname, member, e1, e2)
+
+#endif /* gsstruct_INCLUDED */
diff --git a/pstoraster/gstext.c b/pstoraster/gstext.c
new file mode 100644
index 000000000..9c91159c2
--- /dev/null
+++ b/pstoraster/gstext.c
@@ -0,0 +1,344 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Driver text interface support */
+#include "std.h"
+#include "gstypes.h"
+#include "gdebug.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gsmemory.h"
+#include "gsstruct.h"
+#include "gstypes.h"
+#include "gxdevcli.h"
+#include "gxpath.h"
+#include "gxtext.h"
+#include "gzstate.h"
+
+/* GC descriptors */
+public_st_gs_text_params();
+public_st_gs_text_enum();
+
+#define tptr ((gs_text_params_t *)vptr)
+
+private 
+ENUM_PTRS_BEGIN(text_params_enum_ptrs) return 0;
+
+case 0:
+if (tptr->operation & TEXT_FROM_STRING) {
+    /*
+     * We only need the string descriptor temporarily, but we can't
+     * put it in a local variable, because that would create a dangling
+     * pointer as soon as we return.
+     */
+    tptr->gc_string.data = tptr->data.bytes;
+    tptr->gc_string.size = tptr->size;
+    return ENUM_CONST_STRING(&tptr->gc_string);
+}
+if (tptr->operation & TEXT_FROM_BYTES)
+    return ENUM_OBJ(tptr->data.bytes);
+if (tptr->operation & TEXT_FROM_CHARS)
+    return ENUM_OBJ(tptr->data.chars);
+if (tptr->operation & TEXT_FROM_GLYPHS)
+    return ENUM_OBJ(tptr->data.glyphs);
+return ENUM_OBJ(NULL);
+case 1:
+return ENUM_OBJ(tptr->operation & TEXT_REPLACE_X_WIDTHS ?
+		tptr->x_widths : NULL);
+case 2:
+return ENUM_OBJ(tptr->operation & TEXT_REPLACE_Y_WIDTHS ?
+		tptr->y_widths : NULL);
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(text_params_reloc_ptrs)
+{
+    if (tptr->operation & TEXT_FROM_STRING) {
+	gs_const_string str;
+
+	str.data = tptr->data.bytes;
+	str.size = tptr->size;
+	RELOC_CONST_STRING_VAR(str);
+	tptr->data.bytes = str.data;
+    } else if (tptr->operation & TEXT_FROM_BYTES)
+	RELOC_OBJ_VAR(tptr->data.bytes);
+    else if (tptr->operation & TEXT_FROM_CHARS)
+	RELOC_OBJ_VAR(tptr->data.chars);
+    else if (tptr->operation & TEXT_FROM_GLYPHS)
+	RELOC_OBJ_VAR(tptr->data.glyphs);
+    if (tptr->operation & TEXT_REPLACE_X_WIDTHS)
+	RELOC_OBJ_VAR(tptr->x_widths);
+    if (tptr->operation & TEXT_REPLACE_Y_WIDTHS)
+	RELOC_OBJ_VAR(tptr->y_widths);
+}
+RELOC_PTRS_END
+
+#undef tptr
+
+#define eptr ((gs_text_enum_t *)vptr)
+
+private ENUM_PTRS_BEGIN(text_enum_enum_ptrs) ENUM_USING(st_gs_text_params, &eptr->text, sizeof(eptr->text), index - 1);
+case 0:
+return ENUM_OBJ(gx_device_enum_ptr(eptr->dev));
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(text_enum_reloc_ptrs)
+{
+    RELOC_USING(st_gs_text_params, &eptr->text, sizeof(eptr->text));
+    gx_device_reloc_ptr(eptr->dev, gcst);
+}
+RELOC_PTRS_END
+
+#undef eptr
+
+/* Begin processing text. */
+int
+gx_device_text_begin(gx_device * dev, gs_imager_state * pis,
+		     const gs_text_params_t * text, const gs_font * font,
+		     gx_path * path,	/* unless DO_NONE & !RETURN_WIDTH */
+		     const gx_device_color * pdcolor,	/* DO_DRAW */
+		     const gx_clip_path * pcpath,	/* DO_DRAW */
+		     gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    if (TEXT_OPERATION_IS_INVALID(text->operation))
+	return_error(gs_error_rangecheck);
+    {
+	gx_path *tpath =
+	    ((text->operation & TEXT_DO_NONE) &&
+	     !(text->operation & TEXT_RETURN_WIDTH) ? 0 : path);
+	int code =
+	    (*dev_proc(dev, text_begin))
+	    (dev, pis, text, font, tpath,
+	     (text->operation & TEXT_DO_DRAW ? pdcolor : 0),
+	     (text->operation & TEXT_DO_DRAW ? pcpath : 0),
+	     mem, ppte);
+	gs_text_enum_t *pte = *ppte;
+
+	if (code < 0)
+	    return code;
+	pte->text = *text;
+	pte->dev = dev;
+	pte->index = 0;
+	return code;
+    }
+}
+
+/* Begin processing text based on a graphics state. */
+int
+gs_text_begin(gs_state * pgs, const gs_text_params_t * text,
+	      gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gx_clip_path *pcpath = 0;
+
+    if (text->operation & TEXT_DO_DRAW) {
+	int code = gx_effective_clip_path(pgs, &pcpath);
+
+	if (code < 0)
+	    return code;
+	gx_set_dev_color(pgs);
+    }
+    return gx_device_text_begin(pgs->device, (gs_imager_state *) pgs,
+				text, pgs->font, pgs->path, pgs->dev_color,
+				pcpath, mem, ppte);
+}
+
+/* Begin PostScript-equivalent text operations. */
+int
+gs_show_begin(gs_state * pgs, const byte * str, uint size,
+	      gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_DO_DRAW | TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_ashow_begin(gs_state * pgs, floatp ax, floatp ay, const byte * str, uint size,
+	       gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_ADD_TO_ALL_WIDTHS |
+	TEXT_DO_DRAW | TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    text.delta_all.x = ax;
+    text.delta_all.y = ay;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_widthshow_begin(gs_state * pgs, floatp cx, floatp cy, gs_char chr,
+		   const byte * str, uint size,
+		   gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_ADD_TO_SPACE_WIDTH |
+	TEXT_DO_DRAW | TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    text.delta_space.x = cx;
+    text.delta_space.y = cy;
+    text.space.s_char = chr;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_awidthshow_begin(gs_state * pgs, floatp cx, floatp cy, gs_char chr,
+		    floatp ax, floatp ay, const byte * str, uint size,
+		    gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING |
+	TEXT_ADD_TO_ALL_WIDTHS | TEXT_ADD_TO_SPACE_WIDTH |
+	TEXT_DO_DRAW | TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    text.delta_space.x = cx;
+    text.delta_space.y = cy;
+    text.space.s_char = chr;
+    text.delta_all.x = ax;
+    text.delta_all.y = ay;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_kshow_begin(gs_state * pgs, const byte * str, uint size,
+	       gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_DO_DRAW | TEXT_INTERVENE |
+	TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_xyshow_begin(gs_state * pgs, const byte * str, uint size,
+		const float *x_widths, const float *y_widths,
+		gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING |
+	TEXT_REPLACE_X_WIDTHS | TEXT_REPLACE_Y_WIDTHS |
+	TEXT_DO_DRAW | TEXT_INTERVENE | TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    text.x_widths = x_widths;
+    text.y_widths = y_widths;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_glyphshow_begin(gs_state * pgs, gs_glyph glyph,
+		   gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    /****** SET glyphs ******/
+    text.size = 1;
+    text.operation = TEXT_FROM_GLYPHS | TEXT_DO_DRAW | TEXT_RETURN_WIDTH;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_cshow_begin(gs_state * pgs, const byte * str, uint size,
+	       gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_DO_NONE;
+    text.data.bytes = str, text.size = size;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_stringwidth_begin(gs_state * pgs, const byte * str, uint size,
+		     gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_DO_NONE | TEXT_RETURN_WIDTH;
+    text.data.bytes = str, text.size = size;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_charpath_begin(gs_state * pgs, const byte * str, uint size, bool stroke_path,
+		  gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_RETURN_WIDTH |
+	(stroke_path ? TEXT_DO_TRUE_CHARPATH : TEXT_DO_FALSE_CHARPATH);
+    text.data.bytes = str, text.size = size;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_charboxpath_begin(gs_state * pgs, const byte * str, uint size,
+		bool stroke_path, gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_STRING | TEXT_RETURN_WIDTH |
+	(stroke_path ? TEXT_DO_TRUE_CHARBOXPATH : TEXT_DO_FALSE_CHARBOXPATH);
+    text.data.bytes = str, text.size = size;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+int
+gs_glyphpath_begin(gs_state * pgs, gs_glyph glyph, bool stroke_path,
+		   gs_memory_t * mem, gs_text_enum_t ** ppte)
+{
+    gs_text_params_t text;
+
+    text.operation = TEXT_FROM_GLYPHS | TEXT_RETURN_WIDTH |
+	(stroke_path ? TEXT_DO_TRUE_CHARPATH : TEXT_DO_FALSE_CHARPATH);
+    /****** SET glyphs ******/
+    text.size = 1;
+    return gs_text_begin(pgs, &text, mem, ppte);
+}
+
+/* Process text after 'begin'. */
+int
+gs_text_process(gs_text_enum_t * pte)
+{
+    return pte->procs->process(pte);
+}
+
+/* Set text metrics and optionally enable caching. */
+int
+gs_text_setcharwidth(gs_text_enum_t * pte, const double wxy[2])
+{
+    return pte->procs->set_cache(pte, wxy, TEXT_SET_CHAR_WIDTH);
+}
+int
+gs_text_setcachedevice(gs_text_enum_t * pte, const double wbox[6])
+{
+    return pte->procs->set_cache(pte, wbox, TEXT_SET_CACHE_DEVICE);
+}
+int
+gs_text_setcachedevice2(gs_text_enum_t * pte, const double wbox2[10])
+{
+    return pte->procs->set_cache(pte, wbox2, TEXT_SET_CACHE_DEVICE2);
+}
+
+/* Release the text processing structures. */
+void
+gs_text_release(gs_text_enum_t * pte, client_name_t cname)
+{
+    rc_decrement_only(pte, cname);
+}
diff --git a/pstoraster/gstext.h b/pstoraster/gstext.h
new file mode 100644
index 000000000..8dcd9211c
--- /dev/null
+++ b/pstoraster/gstext.h
@@ -0,0 +1,231 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Driver interface for text */
+
+#ifndef gstext_INCLUDED
+#  define gstext_INCLUDED
+
+#include "gsccode.h"
+#include "gsrefct.h"
+
+/* EVERYTHING IN THIS FILE IS SUBJECT TO CHANGE WITHOUT NOTICE. */
+
+/*
+ * Note that like get_params and get_hardware_params, but unlike all other
+ * driver procedures, text display must return information to the generic
+ * code:
+ *      *show except [x][y]show: the string escapement a.k.a. "width").
+ *      charpath, .glyphpath: the entire character description.
+ *      .charboxpath: the character bounding box.
+ */
+
+/*
+ * Define the set of possible text operations.  While we define this as
+ * a bit mask for convenience in testing, only certain combinations are
+ * meaningful.  Specifically, the following are errors:
+ *      - No FROM or DO.
+ * The following are undefined:
+ *      - More than one FROM or DO.
+ *      - Both ADD_TO and REPLACE.
+ */
+#define TEXT_HAS_MORE_THAN_ONE_(op, any_)\
+  ( ((op) & any_) & (((op) & any_) - 1) )
+#define TEXT_OPERATION_IS_INVALID(op)\
+  (!((op) & TEXT_FROM_ANY_) ||\
+   !((op) & TEXT_DO_ANY_) ||\
+   TEXT_HAS_MORE_THAN_ONE_(op, TEXT_FROM_ANY_) ||\
+   TEXT_HAS_MORE_THAN_ONE_(op, TEXT_DO_ANY_) ||\
+   (((op) & TEXT_ADD_ANY_) && ((op) & TEXT_REPLACE_ANY_))\
+   )
+
+	/* Define the representation of the text itself. */
+#define TEXT_FROM_STRING          0x00001
+#define TEXT_FROM_BYTES           0x00002
+#define TEXT_FROM_CHARS           0x00004
+#define TEXT_FROM_GLYPHS          0x00008
+#define TEXT_FROM_ANY_ /* internal use only, see above */\
+  (TEXT_FROM_STRING | TEXT_FROM_BYTES | TEXT_FROM_CHARS | TEXT_FROM_GLYPHS)
+	/* Define how to compute escapements. */
+#define TEXT_ADD_TO_ALL_WIDTHS    0x00010
+#define TEXT_ADD_TO_SPACE_WIDTH   0x00020
+#define TEXT_ADD_ANY_ /* internal use only, see above */\
+  (TEXT_ADD_TO_ALL_WIDTHS | TEXT_ADD_TO_SPACE_WIDTH)
+#define TEXT_REPLACE_X_WIDTHS     0x00040
+#define TEXT_REPLACE_Y_WIDTHS     0x00080
+#define TEXT_REPLACE_ANY_ /* internal use only, see above */\
+  (TEXT_REPLACE_X_WIDTHS | TEXT_REPLACE_Y_WIDTHS)
+	/* Define what result should be produced. */
+#define TEXT_DO_NONE              0x00100	/* stringwidth or cshow only */
+#define TEXT_DO_DRAW              0x00200
+#define TEXT_DO_FALSE_CHARPATH    0x00400
+#define TEXT_DO_TRUE_CHARPATH     0x00800
+#define TEXT_DO_FALSE_CHARBOXPATH 0x01000
+#define TEXT_DO_TRUE_CHARBOXPATH  0x02000
+#define TEXT_DO_ANY_CHARPATH\
+  (TEXT_DO_FALSE_CHARPATH | TEXT_DO_TRUE_CHARPATH |\
+   TEXT_DO_FALSE_CHARBOXPATH | TEXT_DO_TRUE_CHARBOXPATH)
+#define TEXT_DO_ANY_ /* internal use only, see above */\
+  (TEXT_DO_NONE | TEXT_DO_DRAW | TEXT_DO_ANY_CHARPATH)
+	/* Define whether the client intervenes between characters. */
+#define TEXT_INTERVENE            0x10000
+	/* Define whether to return the width. */
+#define TEXT_RETURN_WIDTH         0x20000
+
+/*
+ * Define the structure of parameters passed in for text display.
+ * Note that the implementation does not modify any of these; the client
+ * must not modify them after initialization.
+ */
+typedef struct gs_text_params_s {
+    /* The client must set the following in all cases. */
+    uint operation;		/* TEXT_xxx mask */
+    union sd_ {
+	const byte *bytes;	/* FROM_STRING, FROM_BYTES */
+	const gs_char *chars;	/* FROM_CHARS */
+	const gs_glyph *glyphs;	/* FROM_GLYPHS */
+    } data;
+    uint size;			/* number of data elements */
+    /* The following are used only in the indicated cases. */
+    gs_point delta_all;		/* ADD_TO_ALL_WIDTHS */
+    gs_point delta_space;	/* ADD_TO_SPACE_WIDTH */
+    union s_ {
+	gs_char s_char;		/* ADD_TO_SPACE_WIDTH & !FROM_GLYPHS */
+	gs_glyph s_glyph;	/* ADD_TO_SPACE_WIDTH & FROM_GLYPHS */
+    } space;
+    /* If x_widths == y_widths, widths are taken in pairs. */
+    /* Either one may be NULL, meaning widths = 0. */
+    const float *x_widths;	/* REPLACE_X_WIDTHS */
+    const float *y_widths;	/* REPLACE_Y_WIDTHS */
+    /* The following are for internal use only, not by clients. */
+    gs_const_string gc_string;	/* for use only during GC */
+} gs_text_params_t;
+
+#define st_gs_text_params_max_ptrs 3
+/*extern_st(st_gs_text_params); */
+#define public_st_gs_text_params() /* in gstext.c */\
+  gs_public_st_composite(st_gs_text_params, gs_text_params_t,\
+    "gs_text_params", text_params_enum_ptrs, text_params_reloc_ptrs)
+
+/* Define the abstract type for the object procedures. */
+typedef struct gs_text_enum_procs_s gs_text_enum_procs_t;
+
+/*
+ * Define the common part of the structure that tracks the state of text
+ * display.  All implementations of text_begin must allocate one of these
+ * using rc_alloc_struct_1; implementations may subclass and extend it.
+ * Note that it includes a copy of the text parameters.
+ */
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+#define gs_text_enum_common\
+	/* The following are set at initialization, and const thereafter. */\
+	gs_text_params_t text;\
+	const gs_text_enum_procs_t *procs;\
+	gx_device *dev;\
+	/* The following change dynamically. */\
+	rc_header rc;\
+	uint index		/* index within string */
+typedef struct gs_text_enum_s {
+    gs_text_enum_common;
+} gs_text_enum_t;
+
+#define st_gs_text_enum_max_ptrs st_gs_text_params_max_ptrs
+/*extern_st(st_gs_text_enum); */
+#define public_st_gs_text_enum()	/* in gstext.c */\
+  gs_public_st_composite(st_gs_text_enum, gs_text_enum_t, "gs_text_enum_t",\
+    text_enum_enum_ptrs, text_enum_reloc_ptrs)
+
+/* Begin processing text. */
+/* Note that these take a graphics state argument. */
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+int gs_text_begin(P4(gs_state * pgs, const gs_text_params_t * text,
+		     gs_memory_t * mem, gs_text_enum_t ** ppenum));
+
+/* Begin the PostScript-equivalent text operators. */
+int
+    gs_show_begin(P5(gs_state *, const byte *, uint,
+		     gs_memory_t *, gs_text_enum_t **)), gs_ashow_begin(P7(gs_state *, floatp, floatp, const byte *, uint,
+					 gs_memory_t *, gs_text_enum_t **)),
+      gs_widthshow_begin(P8(gs_state *, floatp, floatp, gs_char,
+			    const byte *, uint,
+			    gs_memory_t *, gs_text_enum_t **)), gs_awidthshow_begin(P10(gs_state *, floatp, floatp, gs_char,
+					 floatp, floatp, const byte *, uint,
+					 gs_memory_t *, gs_text_enum_t **)),
+      gs_kshow_begin(P5(gs_state *, const byte *, uint,
+			gs_memory_t *, gs_text_enum_t **)), gs_xyshow_begin(P7(gs_state *, const byte *, uint,
+					       const float *, const float *,
+					 gs_memory_t *, gs_text_enum_t **)),
+      gs_glyphshow_begin(P4(gs_state *, gs_glyph,
+			    gs_memory_t *, gs_text_enum_t **)), gs_cshow_begin(P5(gs_state *, const byte *, uint,
+					 gs_memory_t *, gs_text_enum_t **)),
+      gs_stringwidth_begin(P5(gs_state *, const byte *, uint,
+			      gs_memory_t *, gs_text_enum_t **)), gs_charpath_begin(P6(gs_state *, const byte *, uint, bool,
+					 gs_memory_t *, gs_text_enum_t **)),
+      gs_glyphpath_begin(P5(gs_state *, gs_glyph, bool,
+			    gs_memory_t *, gs_text_enum_t **)), gs_charboxpath_begin(P6(gs_state *, const byte *, uint, bool,
+					 gs_memory_t *, gs_text_enum_t **));
+
+/*
+ * Define the possible return values from gs_text_process.  The client
+ * should call text_process until it returns 0 (successful completion) or a
+ * negative (error) value.
+ */
+
+	/*
+	 * The client must render a character: obtain the code from
+	 * gs_show_current_char, do whatever is necessary, and then
+	 * call gs_text_process again.
+	 */
+#define TEXT_PROCESS_RENDER 1
+
+	/*
+	 * The client has asked to intervene between characters.
+	 * Obtain the previous and next codes from gs_show_previous_char
+	 * and gs_kshow_next_char, do whatever is necessary, and then
+	 * call gs_text_process again.
+	 */
+#define TEXT_PROCESS_INTERVENE 2
+
+/* Process text after 'begin'. */
+int gs_text_process(P1(gs_text_enum_t * penum));
+
+/* Set text metrics and optionally enable caching. */
+int
+    gs_text_setcharwidth(P2(gs_text_enum_t * penum, const double wxy[2])),
+       gs_text_setcachedevice(P2(gs_text_enum_t * penum, const double wbox[6])),
+       gs_text_setcachedevice2(P2(gs_text_enum_t * penum, const double wbox2[10]));
+
+/* Release the text processing structures. */
+void gs_text_release(P2(gs_text_enum_t * penum, client_name_t cname));
+
+#endif /* gstext_INCLUDED */
diff --git a/pstoraster/gstrap.c b/pstoraster/gstrap.c
new file mode 100644
index 000000000..dfb63e833
--- /dev/null
+++ b/pstoraster/gstrap.c
@@ -0,0 +1,190 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Setting trapping parameters and zones */
+#include "string_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gstrap.h"
+
+/* Parameter utilities, copied from gdevpsdf.c. */
+/* These should be merged.... */
+
+/* Compare a C string and a gs_param_string. */
+private bool
+trap_key_eq(const gs_param_string * pcs, const char *str)
+{
+    return (strlen(str) == pcs->size &&
+	    !strncmp(str, (const char *)pcs->data, pcs->size));
+}
+
+/* Put an enumerated value. */
+private int
+trap_put_enum_param(gs_param_list * plist, gs_param_name param_name,
+		    int *pvalue, const char *const pnames[], int ecode)
+{
+    gs_param_string ens;
+    int code = param_read_name(plist, param_name, &ens);
+
+    switch (code) {
+	case 1:
+	    return ecode;
+	case 0:
+	    {
+		int i;
+
+		for (i = 0; pnames[i] != 0; ++i)
+		    if (trap_key_eq(&ens, pnames[i])) {
+			*pvalue = i;
+			return 0;
+		    }
+	    }
+	    code = gs_error_rangecheck;
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, code);
+    }
+    return code;
+}
+
+/* Put a Boolean, integer, or float parameter. */
+private int
+trap_put_bool_param(gs_param_list * plist, gs_param_name param_name,
+		    bool * pval, int ecode)
+{
+    int code;
+
+    switch (code = param_read_bool(plist, param_name, pval)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    return ecode;
+}
+private int
+trap_put_int_param(gs_param_list * plist, gs_param_name param_name,
+		   int *pval, int ecode)
+{
+    int code;
+
+    switch (code = param_read_int(plist, param_name, pval)) {
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	case 0:
+	case 1:
+	    break;
+    }
+    return ecode;
+}
+private bool
+check_unit(float *pval)
+{
+    return (*pval >= 0 && *pval <= 1);
+}
+private bool
+check_positive(float *pval)
+{
+    return (*pval > 0);
+}
+private int
+trap_put_float_param(gs_param_list * plist, gs_param_name param_name,
+		     float *pval, bool(*check) (P1(float *pval)), int ecode)
+{
+    int code;
+
+    switch (code = param_read_float(plist, param_name, pval)) {
+	case 0:
+	    if ((*check) (pval))
+		return 0;
+	    code = gs_error_rangecheck;
+	default:
+	    ecode = code;
+	    param_signal_error(plist, param_name, ecode);
+	    break;
+	case 1:
+	    break;
+    }
+    return ecode;
+}
+
+/* settrapparams */
+int
+gs_settrapparams(gs_trap_params_t * pparams, gs_param_list * plist)
+{
+    gs_trap_params_t params;
+    int ecode = 0;
+    static const char *const trap_placement_names[] =
+    {
+	gs_trap_placement_names, 0
+    };
+
+    params = *pparams;
+    ecode = trap_put_float_param(plist, "BlackColorLimit",
+				 &params.BlackColorLimit,
+				 check_unit, ecode);
+    ecode = trap_put_float_param(plist, "BlackDensityLimit",
+				 &params.BlackDensityLimit,
+				 check_positive, ecode);
+    ecode = trap_put_float_param(plist, "BlackWidth",
+				 &params.BlackWidth,
+				 check_positive, ecode);
+    ecode = trap_put_bool_param(plist, "Enabled",
+				&params.Enabled, ecode);
+    ecode = trap_put_bool_param(plist, "ImageInternalTrapping",
+				&params.ImageInternalTrapping, ecode);
+    ecode = trap_put_int_param(plist, "ImageResolution",
+			       &params.ImageResolution, ecode);
+    if (params.ImageResolution <= 0)
+	param_signal_error(plist, "ImageResolution",
+			   ecode = gs_error_rangecheck);
+    ecode = trap_put_bool_param(plist, "ImageToObjectTrapping",
+				&params.ImageToObjectTrapping, ecode);
+    {
+	int placement = params.ImageTrapPlacement;
+
+	ecode = trap_put_enum_param(plist, "ImageTrapPlacement",
+				    &placement, trap_placement_names, ecode);
+	params.ImageTrapPlacement = placement;
+    }
+    ecode = trap_put_float_param(plist, "SlidingTrapLimit",
+				 &params.SlidingTrapLimit,
+				 check_unit, ecode);
+    ecode = trap_put_float_param(plist, "StepLimit",
+				 &params.StepLimit, check_unit, ecode);
+    ecode = trap_put_float_param(plist, "TrapColorScaling",
+				 &params.TrapColorScaling,
+				 check_unit, ecode);
+    ecode = trap_put_float_param(plist, "TrapWidth",
+				 &params.TrapWidth,
+				 check_positive, ecode);
+    if (ecode < 0)
+	return ecode;
+    *pparams = params;
+    return 0;
+}
diff --git a/pstoraster/gstrap.h b/pstoraster/gstrap.h
new file mode 100644
index 000000000..9e2a303ce
--- /dev/null
+++ b/pstoraster/gstrap.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for trapping parameters and zones */
+
+#ifndef gstrap_INCLUDED
+#  define gstrap_INCLUDED
+
+#include "gsparam.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/* Opaque type for a path */
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+
+/* Define the placement of image traps. */
+typedef enum {
+    tp_Center,
+    tp_Choke,
+    tp_Spread,
+    tp_Normal
+} gs_trap_placement_t;
+
+#define gs_trap_placement_names\
+  "Center", "Choke", "Spread", "Normal"
+
+/* Define a trapping parameter set. */
+typedef struct gs_trap_params_s {
+    float BlackColorLimit;	/* 0-1 */
+    float BlackDensityLimit;	/* > 0 */
+    float BlackWidth;		/* > 0 */
+    /* ColorantZoneDetails; */
+    bool Enabled;
+    /* HalftoneName; */
+    bool ImageInternalTrapping;
+    int ImageResolution;
+    bool ImageToObjectTrapping;
+    gs_trap_placement_t ImageTrapPlacement;
+    float SlidingTrapLimit;	/* 0-1 */
+    float StepLimit;		/* 0-1 */
+    float TrapColorScaling;	/* 0-1 */
+    float TrapWidth;		/* > 0 */
+} gs_trap_params_t;
+
+/* Define a trapping zone.  ****** SUBJECT TO CHANGE ****** */
+typedef struct gs_trap_zone_s {
+    gs_trap_params_t params;
+    gx_path *zone;
+} gs_trap_zone_t;
+
+/* ---------------- Procedures ---------------- */
+
+int gs_settrapparams(P2(gs_trap_params_t * params, gs_param_list * list));
+
+#endif /* gstrap_INCLUDED */
diff --git a/pstoraster/gstype1.c b/pstoraster/gstype1.c
new file mode 100644
index 000000000..4a27b3177
--- /dev/null
+++ b/pstoraster/gstype1.c
@@ -0,0 +1,562 @@
+/* Copyright (C) 1990, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Adobe Type 1 charstring interpreter */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxcoord.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+
+/*
+ * Define whether to always do Flex segments as curves.
+ * This is only an issue because some old Adobe DPS fonts
+ * seem to violate the Flex specification in a way that requires this.
+ * We changed this from 1 to 0 in release 5.02: if it causes any
+ * problems, we'll implement a more sophisticated test.
+ */
+#define ALWAYS_DO_FLEX_AS_CURVE 0
+
+/* ------ Main interpreter ------ */
+
+/* Define a pointer to the charstring interpreter stack. */
+typedef fixed *cs_ptr;
+
+/*
+ * Continue interpreting a Type 1 charstring.  If str != 0, it is taken as
+ * the byte string to interpret.  Return 0 on successful completion, <0 on
+ * error, or >0 when client intervention is required (or allowed).  The int*
+ * argument is where the othersubr # is stored for callothersubr.
+ */
+private int
+gs_type1_charstring_interpret(gs_type1_state * pcis,
+			      const gs_const_string * str, int *pindex)
+{
+    gs_font_type1 *pfont = pcis->pfont;
+    gs_type1_data *pdata = &pfont->data;
+    bool encrypted = pdata->lenIV >= 0;
+    gs_op1_state s;
+    fixed cstack[ostack_size];
+
+#define cs0 cstack[0]
+#define ics0 fixed2int_var(cs0)
+#define cs1 cstack[1]
+#define ics1 fixed2int_var(cs1)
+#define cs2 cstack[2]
+#define ics2 fixed2int_var(cs2)
+#define cs3 cstack[3]
+#define ics3 fixed2int_var(cs3)
+#define cs4 cstack[4]
+#define ics4 fixed2int_var(cs4)
+#define cs5 cstack[5]
+#define ics5 fixed2int_var(cs5)
+    cs_ptr csp;
+
+#define clear csp = cstack - 1
+    ip_state *ipsp = &pcis->ipstack[pcis->ips_count - 1];
+    register const byte *cip;
+    register crypt_state state;
+    register int c;
+    int code = 0;
+    fixed ftx = pcis->origin.x, fty = pcis->origin.y;
+
+    switch (pcis->init_done) {
+	case -1:
+	    break;
+	case 0:
+	    gs_type1_finish_init(pcis, &s);	/* sets sfc, ptx, pty, origin */
+	    ftx = pcis->origin.x, fty = pcis->origin.y;
+	    break;
+	default /*case 1 */ :
+	    ptx = pcis->position.x;
+	    pty = pcis->position.y;
+	    sfc = pcis->fc;
+    }
+    sppath = pcis->path;
+    s.pcis = pcis;
+    init_cstack(cstack, csp, pcis);
+
+    if (str == 0)
+	goto cont;
+    ipsp->char_string = *str;
+    cip = str->data;
+  call:state = crypt_charstring_seed;
+    if (encrypted) {
+	int skip = pdata->lenIV;
+
+	/* Skip initial random bytes */
+	for (; skip > 0; ++cip, --skip)
+	    decrypt_skip_next(*cip, state);
+    }
+    goto top;
+  cont:cip = ipsp->ip;
+    state = ipsp->dstate;
+  top:for (;;) {
+	uint c0 = *cip++;
+
+	charstring_next(c0, state, c, encrypted);
+	if (c >= c_num1) {
+	    /* This is a number, decode it and push it on the stack. */
+
+	    if (c < c_pos2_0) {	/* 1-byte number */
+		decode_push_num1(csp, c);
+	    } else if (c < cx_num4) {	/* 2-byte number */
+		decode_push_num2(csp, c, cip, state, encrypted);
+	    } else if (c == cx_num4) {	/* 4-byte number */
+		long lw;
+
+		decode_num4(lw, cip, state, encrypted);
+		*++csp = int2fixed(lw);
+		if (lw != fixed2long(*csp))
+		    return_error(gs_error_rangecheck);
+	    } else		/* not possible */
+		return_error(gs_error_invalidfont);
+	  pushed:if_debug3('1', "[1]%d: (%d) %f\n",
+		      (int)(csp - cstack), c, fixed2float(*csp));
+	    continue;
+	}
+#ifdef DEBUG
+	if (gs_debug['1']) {
+	    static const char *const c1names[] =
+	    {char1_command_names};
+
+	    if (c1names[c] == 0)
+		dlprintf2("[1]0x%lx: %02x??\n", (ulong) (cip - 1), c);
+	    else
+		dlprintf3("[1]0x%lx: %02x %s\n", (ulong) (cip - 1), c,
+			  c1names[c]);
+	}
+#endif
+	switch ((char_command) c) {
+#define cnext clear; goto top
+#define inext goto top
+
+		/* Commands with identical functions in Type 1 and Type 2, */
+		/* except for 'escape'. */
+
+	    case c_undef0:
+	    case c_undef2:
+	    case c_undef17:
+		return_error(gs_error_invalidfont);
+	    case c_callsubr:
+		c = fixed2int_var(*csp) + pdata->subroutineNumberBias;
+		code = (*pdata->procs->subr_data)
+		    (pfont, c, false, &ipsp[1].char_string);
+		if (code < 0)
+		    return_error(code);
+		--csp;
+		ipsp->ip = cip, ipsp->dstate = state;
+		++ipsp;
+		cip = ipsp->char_string.data;
+		goto call;
+	    case c_return:
+		--ipsp;
+		goto cont;
+	    case c_undoc15:
+		/* See gstype1.h for information on this opcode. */
+		cnext;
+
+		/* Commands with similar but not identical functions */
+		/* in Type 1 and Type 2 charstrings. */
+
+	    case cx_hstem:
+		apply_path_hints(pcis, false);
+		type1_hstem(pcis, cs0, cs1);
+		cnext;
+	    case cx_vstem:
+		apply_path_hints(pcis, false);
+		type1_vstem(pcis, cs0, cs1);
+		cnext;
+	    case cx_vmoveto:
+		cs1 = cs0;
+		cs0 = 0;
+		accum_y(cs1);
+	      move:		/* cs0 = dx, cs1 = dy for hint checking. */
+		if ((pcis->hint_next != 0 || path_is_drawing(sppath)) &&
+		    pcis->flex_count == flex_max
+		    )
+		    apply_path_hints(pcis, true);
+		code = gx_path_add_point(sppath, ptx, pty);
+		goto cc;
+	    case cx_rlineto:
+		accum_xy(cs0, cs1);
+	      line:		/* cs0 = dx, cs1 = dy for hint checking. */
+		code = gx_path_add_line(sppath, ptx, pty);
+	      cc:if (code < 0)
+		    return code;
+	      pp:if_debug2('1', "[1]pt=(%g,%g)\n",
+			  fixed2float(ptx), fixed2float(pty));
+		cnext;
+	    case cx_hlineto:
+		accum_x(cs0);
+		cs1 = 0;
+		goto line;
+	    case cx_vlineto:
+		cs1 = cs0;
+		cs0 = 0;
+		accum_y(cs1);
+		goto line;
+	    case cx_rrcurveto:
+		code = gs_op1_rrcurveto(&s, cs0, cs1, cs2, cs3, cs4, cs5);
+		goto cc;
+	    case cx_endchar:
+		code = gs_type1_endchar(pcis);
+		if (code == 1) {
+		    /* do accent of seac */
+		    spt = pcis->position;
+		    ipsp = &pcis->ipstack[pcis->ips_count - 1];
+		    cip = ipsp->char_string.data;
+		    goto call;
+		}
+		return code;
+	    case cx_rmoveto:
+		accum_xy(cs0, cs1);
+		goto move;
+	    case cx_hmoveto:
+		accum_x(cs0);
+		cs1 = 0;
+		goto move;
+	    case cx_vhcurveto:
+		{
+		    gs_fixed_point pt1, pt2;
+		    fixed ax0 = sppath->position.x - ptx;
+		    fixed ay0 = sppath->position.y - pty;
+
+		    accum_y(cs0);
+		    pt1.x = ptx + ax0, pt1.y = pty + ay0;
+		    accum_xy(cs1, cs2);
+		    pt2.x = ptx, pt2.y = pty;
+		    accum_x(cs3);
+		    code = gx_path_add_curve(sppath, pt1.x, pt1.y, pt2.x, pt2.y, ptx, pty);
+		}
+		goto cc;
+	    case cx_hvcurveto:
+		{
+		    gs_fixed_point pt1, pt2;
+		    fixed ax0 = sppath->position.x - ptx;
+		    fixed ay0 = sppath->position.y - pty;
+
+		    accum_x(cs0);
+		    pt1.x = ptx + ax0, pt1.y = pty + ay0;
+		    accum_xy(cs1, cs2);
+		    pt2.x = ptx, pt2.y = pty;
+		    accum_y(cs3);
+		    code = gx_path_add_curve(sppath, pt1.x, pt1.y, pt2.x, pt2.y, ptx, pty);
+		}
+		goto cc;
+
+		/* Commands only recognized in Type 1 charstrings, */
+		/* plus 'escape'. */
+
+	    case c1_closepath:
+		code = gs_op1_closepath(&s);
+		apply_path_hints(pcis, true);
+		goto cc;
+	    case c1_hsbw:
+		gs_type1_sbw(pcis, cs0, fixed_0, cs1, fixed_0);
+rsbw:		/* Give the caller the opportunity to intervene. */
+		pcis->os_count = 0;	/* clear */
+		ipsp->ip = cip, ipsp->dstate = state;
+		pcis->ips_count = ipsp - &pcis->ipstack[0] + 1;
+		/* If we aren't in a seac, do nothing else now; */
+		/* finish_init will take care of the rest. */
+		if (pcis->init_done < 0) {
+		    /* Finish init when we return. */
+		    pcis->init_done = 0;
+		} else {
+		    /* Accumulate the side bearing now, but don't do it */
+		    /* a second time for the base character of a seac. */
+		    if (pcis->seac_accent < 0)
+			accum_xy(pcis->lsb.x, pcis->lsb.y);
+		    pcis->position.x = ptx;
+		    pcis->position.y = pty;
+		}
+		return type1_result_sbw;
+	    case cx_escape:
+		charstring_next(*cip, state, c, encrypted);
+		++cip;
+#ifdef DEBUG
+		if (gs_debug['1'] && c < char1_extended_command_count) {
+		    static const char *const ce1names[] =
+		    {char1_extended_command_names};
+
+		    if (ce1names[c] == 0)
+			dlprintf2("[1]0x%lx: %02x??\n", (ulong) (cip - 1), c);
+		    else
+			dlprintf3("[1]0x%lx: %02x %s\n", (ulong) (cip - 1), c,
+				  ce1names[c]);
+		}
+#endif
+		switch ((char1_extended_command) c) {
+		    case ce1_dotsection:
+			pcis->dotsection_flag ^=
+			    (dotsection_in ^ dotsection_out);
+			cnext;
+		    case ce1_vstem3:
+			apply_path_hints(pcis, false);
+			if (!pcis->vstem3_set && pcis->fh.use_x_hints) {
+			    center_vstem(pcis, pcis->lsb.x + cs2, cs3);
+			    /* Adjust the current point */
+			    /* (center_vstem handles everything else). */
+			    ptx += pcis->vs_offset.x;
+			    pty += pcis->vs_offset.y;
+			    pcis->vstem3_set = true;
+			}
+			type1_vstem(pcis, cs0, cs1);
+			type1_vstem(pcis, cs2, cs3);
+			type1_vstem(pcis, cs4, cs5);
+			cnext;
+		    case ce1_hstem3:
+			apply_path_hints(pcis, false);
+			type1_hstem(pcis, cs0, cs1);
+			type1_hstem(pcis, cs2, cs3);
+			type1_hstem(pcis, cs4, cs5);
+			cnext;
+		    case ce1_seac:
+			code = gs_type1_seac(pcis, cstack + 1, cstack[0],
+					     ipsp);
+			if (code != 0) {
+			    *pindex = ics3;
+			    return code;
+			}
+			clear;
+			cip = ipsp->char_string.data;
+			goto call;
+		    case ce1_sbw:
+			gs_type1_sbw(pcis, cs0, cs1, cs2, cs3);
+			goto rsbw;
+		    case ce1_div:
+			csp[-1] = float2fixed((float)csp[-1] / (float)*csp);
+			--csp;
+			goto pushed;
+		    case ce1_undoc15:
+			/* See gstype1.h for information on this opcode. */
+			cnext;
+		    case ce1_callothersubr:
+			{
+			    int num_results;
+
+#define fpts pcis->flex_points
+			    /* We must remember to pop both the othersubr # */
+			    /* and the argument count off the stack. */
+			    switch (*pindex = fixed2int_var(*csp)) {
+				case 0:
+				    {	/* We have to do something really sleazy */
+					/* here, namely, make it look as though */
+					/* the rmovetos never really happened, */
+					/* because we don't want to interrupt */
+					/* the current subpath. */
+					gs_fixed_point ept;
+
+#if defined(DEBUG) || !ALWAYS_DO_FLEX_AS_CURVE
+					fixed fheight = csp[-4];
+					gs_fixed_point hpt;
+
+#endif
+
+					if (pcis->flex_count != 8)
+					    return_error(gs_error_invalidfont);
+					/* Assume the next two opcodes */
+					/* are `pop' `pop'.  Unfortunately, some */
+					/* Monotype fonts put these in a Subr, */
+					/* so we can't just look ahead in the */
+					/* opcode stream. */
+					pcis->ignore_pops = 2;
+					csp[-4] = csp[-3] - pcis->asb_diff;
+					csp[-3] = csp[-2];
+					csp -= 3;
+					gx_path_current_point(sppath, &ept);
+					gx_path_add_point(sppath, fpts[0].x, fpts[0].y);
+					sppath->state_flags =	/* <--- sleaze */
+					    pcis->flex_path_state_flags;
+#if defined(DEBUG) || !ALWAYS_DO_FLEX_AS_CURVE
+					/* Decide whether to do the flex as a curve. */
+					hpt.x = fpts[1].x - fpts[4].x;
+					hpt.y = fpts[1].y - fpts[4].y;
+					if_debug3('1',
+					  "[1]flex: d=(%g,%g), height=%g\n",
+						  fixed2float(hpt.x), fixed2float(hpt.y),
+						fixed2float(fheight) / 100);
+#endif
+#if !ALWAYS_DO_FLEX_AS_CURVE	/* See beginning of file. */
+					if (any_abs(hpt.x) + any_abs(hpt.y) <
+					    fheight / 100
+					    ) {		/* Do the flex as a line. */
+					    code = gx_path_add_line(sppath,
+							      ept.x, ept.y);
+					} else
+#endif
+					{	/* Do the flex as a curve. */
+					    code = gx_path_add_curve(sppath,
+						       fpts[2].x, fpts[2].y,
+						       fpts[3].x, fpts[3].y,
+						      fpts[4].x, fpts[4].y);
+					    if (code < 0)
+						return code;
+					    code = gx_path_add_curve(sppath,
+						       fpts[5].x, fpts[5].y,
+						       fpts[6].x, fpts[6].y,
+						      fpts[7].x, fpts[7].y);
+					}
+				    }
+				    if (code < 0)
+					return code;
+				    pcis->flex_count = flex_max;	/* not inside flex */
+				    inext;
+				case 1:
+				    gx_path_current_point(sppath, &fpts[0]);
+				    pcis->flex_path_state_flags =	/* <--- more sleaze */
+					sppath->state_flags;
+				    pcis->flex_count = 1;
+				    csp -= 2;
+				    inext;
+				case 2:
+				    if (pcis->flex_count >= flex_max)
+					return_error(gs_error_invalidfont);
+				    gx_path_current_point(sppath,
+						 &fpts[pcis->flex_count++]);
+				    csp -= 2;
+				    inext;
+				case 3:
+				    /* Assume the next opcode is a `pop'. */
+				    /* See above as to why we don't just */
+				    /* look ahead in the opcode stream. */
+				    pcis->ignore_pops = 1;
+				    replace_stem_hints(pcis);
+				    csp -= 2;
+				    inext;
+				case 14:
+				    num_results = 1;
+				  blend:{
+					int num_values = fixed2int_var(csp[-1]);
+					int k1 = num_values / num_results - 1;
+					int i, j;
+					cs_ptr base, deltas;
+
+					if (num_values < num_results ||
+					    num_values % num_results != 0
+					    )
+					    return_error(gs_error_invalidfont);
+					base = csp - 1 - num_values;
+					deltas = base + num_results - 1;
+					for (j = 0; j < num_results;
+					     j++, base++, deltas += k1
+					    )
+					    for (i = 1; i <= k1; i++)
+						*base += deltas[i] *
+						    pdata->WeightVector.values[i];
+					csp = base - 1;
+				    }
+				    pcis->ignore_pops = num_results;
+				    inext;
+				case 15:
+				    num_results = 2;
+				    goto blend;
+				case 16:
+				    num_results = 3;
+				    goto blend;
+				case 17:
+				    num_results = 4;
+				    goto blend;
+				case 18:
+				    num_results = 6;
+				    goto blend;
+			    }
+			}
+#undef fpts
+			/* Not a recognized othersubr, */
+			/* let the client handle it. */
+			{
+			    int scount = csp - cstack;
+			    int n;
+
+			    /* Copy the arguments to the caller's stack. */
+			    if (scount < 1 || csp[-1] < 0 ||
+				csp[-1] > int2fixed(scount - 1)
+				)
+				return_error(gs_error_invalidfont);
+			    n = fixed2int_var(csp[-1]);
+			    code = (*pdata->procs->push) (pfont, csp - (n + 1), n);
+			    if (code < 0)
+				return_error(code);
+			    scount -= n + 1;
+			    pcis->position.x = ptx;
+			    pcis->position.y = pty;
+			    apply_path_hints(pcis, false);
+			    /* Exit to caller */
+			    ipsp->ip = cip, ipsp->dstate = state;
+			    pcis->os_count = scount;
+			    pcis->ips_count = ipsp - &pcis->ipstack[0] + 1;
+			    if (scount)
+				memcpy(pcis->ostack, cstack, scount * sizeof(fixed));
+			    return type1_result_callothersubr;
+			}
+		    case ce1_pop:
+			/* Check whether we're ignoring the pops after */
+			/* a known othersubr. */
+			if (pcis->ignore_pops != 0) {
+			    pcis->ignore_pops--;
+			    inext;
+			}
+			++csp;
+			code = (*pdata->procs->pop) (pfont, csp);
+			if (code < 0)
+			    return_error(code);
+			goto pushed;
+		    case ce1_setcurrentpoint:
+			ptx = ftx, pty = fty;
+			cs0 += pcis->adxy.x;
+			cs1 += pcis->adxy.y;
+			accum_xy(cs0, cs1);
+			goto pp;
+		    default:
+			return_error(gs_error_invalidfont);
+		}
+		/*NOTREACHED */
+
+		/* Fill up the dispatch up to 32. */
+
+	      case_c1_undefs:
+	    default:		/* pacify compiler */
+		return_error(gs_error_invalidfont);
+	}
+    }
+}
+
+/* Register the interpreter. */
+void
+gs_gstype1_init(gs_memory_t * mem)
+{
+    gs_charstring_interpreter[1] = gs_type1_charstring_interpret;
+}
diff --git a/pstoraster/gstype1.h b/pstoraster/gstype1.h
new file mode 100644
index 000000000..e7c2e0c9f
--- /dev/null
+++ b/pstoraster/gstype1.h
@@ -0,0 +1,265 @@
+/* Copyright (C) 1990, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client interface to Adobe Type 1 font routines */
+
+#ifndef gstype1_INCLUDED
+#  define gstype1_INCLUDED
+
+/* ------ Normal client interface ------ */
+
+#define crypt_charstring_seed 4330
+typedef struct gs_type1_state_s gs_type1_state;
+
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+#ifndef gs_show_enum_s_DEFINED
+struct gs_show_enum_s;
+
+#endif
+#ifndef gs_font_type1_DEFINED
+#  define gs_font_type1_DEFINED
+typedef struct gs_font_type1_s gs_font_type1;
+
+#endif
+#ifndef gs_type1_data_s_DEFINED
+struct gs_type1_data_s;
+
+#endif
+int gs_type1_interp_init(P7(gs_type1_state * pcis, gs_imager_state * pis,
+			gx_path * ppath, const gs_log2_scale_point * pscale,
+			    bool charpath_flag, int paint_type,
+			    gs_font_type1 * pfont));
+void gs_type1_set_lsb(P2(gs_type1_state * pcis, const gs_point * psbpt));
+void gs_type1_set_width(P2(gs_type1_state * pcis, const gs_point * pwpt));
+
+/* Backward compatibility */
+#define gs_type1_init(pcis, penum, psbpt, charpath_flag, paint_type, pfont)\
+  (gs_type1_interp_init(pcis, (gs_imager_state *)((penum)->pgs),\
+			(penum)->pgs->path, &(penum)->log2_current_scale,\
+			charpath_flag, paint_type, pfont) |\
+   ((psbpt) == 0 ? 0 : (gs_type1_set_lsb(pcis, psbpt), 0)))
+/*
+ * Continue interpreting a Type 1 CharString.  If str != 0, it is taken as
+ * the byte string to interpret.  Return 0 on successful completion, <0 on
+ * error, or >0 when client intervention is required (or allowed).  The int*
+ * argument is where the othersubr # is stored for callothersubr.
+ */
+#define type1_result_sbw 1	/* allow intervention after [h]sbw */
+#define type1_result_callothersubr 2
+
+int gs_type1_interpret(P3(gs_type1_state *, const gs_const_string *, int *));
+
+/* ------ CharString number representation ------ */
+
+/* Define the representation of integers used by both Type 1 and Type 2. */
+typedef enum {
+
+    /* Values from 32 to 246 represent small integers. */
+    c_num1 = 32,
+#define c_value_num1(ch) ((int)(byte)(ch) - 139)
+
+    /* The next 4 values represent 2-byte positive integers. */
+    c_pos2_0 = 247,
+    c_pos2_1 = 248,
+    c_pos2_2 = 249,
+    c_pos2_3 = 250,
+#define c_value_pos2(c1,c2)\
+  (((int)(byte)((c1) - (int)c_pos2_0) << 8) + (int)(byte)(c2) + 108)
+
+    /* The next 4 values represent 2-byte negative integers. */
+    c_neg2_0 = 251,
+    c_neg2_1 = 252,
+    c_neg2_2 = 253,
+    c_neg2_3 = 254
+#define c_value_neg2(c1,c2)\
+  -(((int)(byte)((c1) - (int)c_neg2_0) << 8) + (int)(byte)(c2) + 108)
+
+} char_num_command;
+
+/* ------ Type 1 & Type 2 CharString representation ------ */
+
+/*
+ * We define both the Type 1 and Type 2 operators here, because they
+ * overlap so much.
+ */
+typedef enum {
+
+    /* Commands with identical functions in Type 1 and Type 2 */
+    /* charstrings. */
+
+    c_undef0 = 0,
+    c_undef2 = 2,
+    c_callsubr = 10,
+    c_return = 11,
+    c_undoc15 = 15,		/* An obsolete and undocumented */
+    /* command used in some very old */
+    /* Adobe fonts. */
+    c_undef17 = 17,
+
+    /* Commands with similar but not identical functions */
+    /* in Type 1 and Type 2 charstrings. */
+
+    cx_hstem = 1,
+    cx_vstem = 3,
+    cx_vmoveto = 4,
+    cx_rlineto = 5,
+    cx_hlineto = 6,
+    cx_vlineto = 7,
+    cx_rrcurveto = 8,
+    cx_escape = 12,		/* extends the command set */
+    cx_endchar = 14,
+    cx_rmoveto = 21,
+    cx_hmoveto = 22,
+    cx_vhcurveto = 30,
+    cx_hvcurveto = 31,
+
+    cx_num4 = 255,		/* 4-byte numbers */
+
+    /* Commands recognized only in Type 1 charstrings. */
+
+    c1_closepath = 9,
+    c1_hsbw = 13,
+
+    /* Commands not recognized in Type 1 charstrings. */
+
+#define case_c1_undefs\
+	case 16: case 18: case 19:\
+	case 20: case 23: case 24:\
+	case 25: case 26: case 27: case 28: case 29
+
+    /* Commands only recognized in Type 2 charstrings. */
+
+    c2_blend = 16,
+    c2_hstemhm = 18,
+    c2_hintmask = 19,
+    c2_cntrmask = 20,
+    c2_vstemhm = 23,
+    c2_rcurveline = 24,
+    c2_rlinecurve = 25,
+    c2_vvcurveto = 26,
+    c2_hhcurveto = 27,
+    c2_shortint = 28,
+    c2_callgsubr = 29
+
+    /* Commands not recognized in Type 2 charstrings. */
+
+#define case_c2_undefs\
+	case 9: case 13
+
+} char_command;
+
+#define char1_command_names\
+  0, "hstem", 0, "vstem", "vmoveto",\
+  "rlineto", "hlineto", "vlineto", "rrcurveto", "closepath",\
+  "callsubr", "return", "(escape)", "hsbw", "endchar",\
+  "undoc15", 0, 0, 0, 0,\
+  0, "rmoveto", "hmoveto", 0, 0,\
+  0, 0, 0, 0, 0,\
+  "vhcurveto", "hvcurveto"
+#define char2_command_names\
+  0, "hstem", 0, "vstem", "vmoveto",\
+  "rlineto", "hlineto", "vlineto", "rrcurveto", 0,\
+  "callsubr", "return", "(escape)", 0, "endchar",\
+  "undoc15", "blend", 0, "hstemhm", "hintmask",\
+  "cntrmask", "rmoveto", "hmoveto", "vstemhm", "rcurveline",\
+  "rlinecurve", "vvcurveto", "hhcurveto", "shortint", "callgsubr",\
+  "vhcurveto", "hvcurveto"
+
+/*
+ * Extended (escape) commands in Type 1 charstrings.
+ */
+typedef enum {
+    ce1_dotsection = 0,
+    ce1_vstem3 = 1,
+    ce1_hstem3 = 2,
+    ce1_seac = 6,
+    ce1_sbw = 7,
+    ce1_div = 12,
+    ce1_undoc15 = 15,		/* An obsolete and undocumented */
+    /* command used in some very old */
+    /* Adobe fonts. */
+    ce1_callothersubr = 16,
+    ce1_pop = 17,
+    ce1_setcurrentpoint = 33
+} char1_extended_command;
+
+#define char1_extended_command_count 34
+#define char1_extended_command_names\
+  "dotsection", "vstem3", "hstem3", 0, 0,\
+  0, "seac", "sbw", 0, 0,\
+  0, 0, "div", 0, 0,\
+  "undoc15", "callothersubr", "pop", 0, 0,\
+  0, 0, 0, 0, 0,\
+  0, 0, 0, 0, 0,\
+  0, 0, 0, "setcurrentpoint"
+
+/*
+ * Extended (escape) commands in Type 2 charstrings.
+ */
+typedef enum {
+    ce2_and = 3,
+    ce2_or = 4,
+    ce2_not = 5,
+    ce2_store = 8,
+    ce2_abs = 9,
+    ce2_add = 10,
+    ce2_sub = 11,
+    ce2_div = 12,		/* same as ce1_div */
+    ce2_load = 13,
+    ce2_neg = 14,
+    ce2_eq = 15,
+    ce2_drop = 18,
+    ce2_put = 20,
+    ce2_get = 21,
+    ce2_ifelse = 22,
+    ce2_random = 23,
+    ce2_mul = 24,
+    ce2_sqrt = 26,
+    ce2_dup = 27,
+    ce2_exch = 28,
+    ce2_index = 29,
+    ce2_roll = 30,
+    ce2_hflex = 34,
+    ce2_flex = 35,
+    ce2_hflex1 = 36,
+    ce2_flex1 = 37
+} char2_extended_command;
+
+#define char2_extended_command_count 38
+#define char2_extended_command_names\
+  0, 0, 0, "and", "or",\
+  "not", 0, 0, "store", "abs",\
+  "add", "sub", "div", "load", "neg",\
+  "eq", 0, 0, "drop", 0,\
+  "put", "get", "ifelse", "random", "mul",\
+  0, "sqrt", "dup", "exch", "index",\
+  "roll", 0, 0, 0, "hflex",\
+  "flex", "hflex1", "flex1"
+
+#endif /* gstype1_INCLUDED */
diff --git a/pstoraster/gstype2.c b/pstoraster/gstype2.c
new file mode 100644
index 000000000..8da6b1fa5
--- /dev/null
+++ b/pstoraster/gstype2.c
@@ -0,0 +1,779 @@
+/*
+  Copyright 2001 by Easy Software Products
+  Copyright 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Adobe Type 2 charstring interpreter */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxcoord.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+
+/* NOTE: The following are not yet implemented:
+ *	Registry items other than 0
+ *	Counter masks (but they are parsed correctly)
+ *	'random' operator
+ */
+
+/* Define a pointer to the charstring interpreter stack. */
+typedef fixed *cs_ptr;
+
+/* ------ Internal routines ------ */
+
+/*
+ * Set the character width.  This is provided as an optional extra operand
+ * on the stack for the first operator.  After setting the width, we remove
+ * the extra operand, and back up the interpreter pointer so we will
+ * re-execute the operator when control re-enters the interpreter.
+ */
+#define check_first_operator(explicit_width)\
+  BEGIN\
+    if ( pcis->init_done < 0 )\
+      { ipsp->ip = cip, ipsp->dstate = state;\
+	return type2_sbw(pcis, csp, cstack, ipsp, explicit_width);\
+      }\
+  END
+private int
+type2_sbw(gs_type1_state * pcis, cs_ptr csp, cs_ptr cstack, ip_state * ipsp,
+	  bool explicit_width)
+{
+    fixed wx;
+
+    if (explicit_width) {
+	wx = cstack[0] + pcis->pfont->data.nominalWidthX;
+	memmove(cstack, cstack + 1, (csp - cstack) * sizeof(*cstack));
+	--csp;
+    } else
+	wx = pcis->pfont->data.defaultWidthX;
+    gs_type1_sbw(pcis, fixed_0, fixed_0, wx, fixed_0);
+    /* Back up the interpretation pointer. */
+    {
+	ip_state *ipsp = &pcis->ipstack[pcis->ips_count - 1];
+
+	ipsp->ip--;
+	decrypt_skip_previous(*ipsp->ip, ipsp->dstate);
+    }
+    /* Save the interpreter state. */
+    pcis->os_count = csp + 1 - cstack;
+    pcis->ips_count = ipsp - &pcis->ipstack[0] + 1;
+    memcpy(pcis->ostack, cstack, pcis->os_count * sizeof(cstack[0]));
+    if (pcis->init_done < 0) {	/* Finish init when we return. */
+	pcis->init_done = 0;
+    }
+    return type1_result_sbw;
+}
+private int
+type2_vstem(gs_type1_state * pcis, cs_ptr csp, cs_ptr cstack)
+{
+    fixed x = 0;
+    cs_ptr ap;
+
+    apply_path_hints(pcis, false);
+    for (ap = cstack; ap + 1 <= csp; x += ap[1], ap += 2)
+	type1_vstem(pcis, x += ap[0], ap[1]);
+    pcis->num_hints += (csp + 1 - cstack) >> 1;
+    return 0;
+}
+
+/* Enable only the hints selected by a mask. */
+private void
+enable_hints(stem_hint_table * psht, const byte * mask)
+{
+    stem_hint *table = &psht->data[0];
+    stem_hint *ph = table + psht->current;
+
+    for (ph = &table[psht->count]; --ph >= table;) {
+	ph->active = (mask[ph->index >> 3] & (0x80 >> (ph->index & 7))) != 0;
+	if_debug6('1', "[1]  %s %u: %g(%g),%g(%g)\n",
+		  (ph->active ? "enable" : "disable"), ph->index,
+		  fixed2float(ph->v0), fixed2float(ph->dv0),
+		  fixed2float(ph->v1), fixed2float(ph->dv1));
+    }
+}
+
+/* ------ Main interpreter ------ */
+
+/*
+ * Continue interpreting a Type 2 charstring.  If str != 0, it is taken as
+ * the byte string to interpret.  Return 0 on successful completion, <0 on
+ * error, or >0 when client intervention is required (or allowed).  The int*
+ * argument is only for compatibility with the Type 1 charstring interpreter.
+ */
+private int
+gs_type2_charstring_interpret(gs_type1_state * pcis,
+			    const gs_const_string * str, int *ignore_pindex)
+{
+    gs_font_type1 *pfont = pcis->pfont;
+    gs_type1_data *pdata = &pfont->data;
+    bool encrypted = pdata->lenIV >= 0;
+    gs_op1_state s;
+    fixed cstack[ostack_size];
+    cs_ptr csp;
+
+#define clear csp = cstack - 1
+    ip_state *ipsp = &pcis->ipstack[pcis->ips_count - 1];
+    register const byte *cip;
+    register crypt_state state;
+    register int c;
+    cs_ptr ap;
+    bool vertical;
+    int code = 0;
+
+/****** FAKE THE REGISTRY ******/
+    struct {
+	float *values;
+	uint size;
+    } Registry[1];
+
+    Registry[0].values = pcis->pfont->data.WeightVector.values;
+
+    switch (pcis->init_done) {
+	case -1:
+	    break;
+	case 0:
+	    gs_type1_finish_init(pcis, &s);	/* sets sfc, ptx, pty, origin */
+	    break;
+	default /*case 1 */ :
+	    ptx = pcis->position.x;
+	    pty = pcis->position.y;
+	    sfc = pcis->fc;
+    }
+    sppath = pcis->path;
+    s.pcis = pcis;
+    init_cstack(cstack, csp, pcis);
+
+    if (str == 0)
+	goto cont;
+    ipsp->char_string = *str;
+    cip = str->data;
+  call:state = crypt_charstring_seed;
+    if (encrypted) {
+	int skip = pdata->lenIV;
+
+	/* Skip initial random bytes */
+	for (; skip > 0; ++cip, --skip)
+	    decrypt_skip_next(*cip, state);
+    }
+    goto top;
+  cont:cip = ipsp->ip;
+    state = ipsp->dstate;
+  top:for (;;) {
+	uint c0 = *cip++;
+
+	charstring_next(c0, state, c, encrypted);
+	if (c >= c_num1) {
+	    /* This is a number, decode it and push it on the stack. */
+
+	    if (c < c_pos2_0) {	/* 1-byte number */
+		decode_push_num1(csp, c);
+	    } else if (c < cx_num4) {	/* 2-byte number */
+		decode_push_num2(csp, c, cip, state, encrypted);
+	    } else if (c == cx_num4) {	/* 4-byte number */
+		long lw;
+
+		decode_num4(lw, cip, state, encrypted);
+		/* 32-bit numbers are 16:16. */
+		*++csp = arith_rshift(lw, 16 - _fixed_shift);
+	    } else		/* not possible */
+		return_error(gs_error_invalidfont);
+	  pushed:if_debug3('1', "[1]%d: (%d) %f\n",
+		      (int)(csp - cstack), c, fixed2float(*csp));
+	    continue;
+	}
+#ifdef DEBUG
+	if (gs_debug['1']) {
+	    static const char *const c2names[] =
+	    {char2_command_names};
+
+	    if (c2names[c] == 0)
+		dlprintf2("[1]0x%lx: %02x??\n", (ulong) (cip - 1), c);
+	    else
+		dlprintf3("[1]0x%lx: %02x %s\n", (ulong) (cip - 1), c,
+			  c2names[c]);
+	}
+#endif
+	switch ((char_command) c) {
+#define cnext clear; goto top
+
+		/* Commands with identical functions in Type 1 and Type 2, */
+		/* except for 'escape'. */
+
+	    case c_undef0:
+	    case c_undef2:
+	    case c_undef17:
+		return_error(gs_error_invalidfont);
+	    case c_callsubr:
+		c = fixed2int_var(*csp) + pdata->subroutineNumberBias;
+		code = (*pdata->procs->subr_data)
+		    (pfont, c, false, &ipsp[1].char_string);
+	      subr:if (code < 0)
+		    return_error(code);
+		--csp;
+		ipsp->ip = cip, ipsp->dstate = state;
+		++ipsp;
+		cip = ipsp->char_string.data;
+		goto call;
+	    case c_return:
+		--ipsp;
+		goto cont;
+	    case c_undoc15:
+		/* See gstype1.h for information on this opcode. */
+		cnext;
+
+		/* Commands with similar but not identical functions */
+		/* in Type 1 and Type 2 charstrings. */
+
+	    case cx_hstem:
+		goto hstem;
+	    case cx_vstem:
+		goto vstem;
+	    case cx_vmoveto:
+		check_first_operator(csp > cstack);
+                /*** MRS: This is the first of many macro invocations;
+                 ***      Since these are encased in {} (previously an
+                 ***      empty do while(0) loop), we don't need the
+                 ***      trailing semicolon...
+                 ***/
+		accum_y(*csp)
+	      move:if ((pcis->hint_next != 0 || path_is_drawing(sppath)))
+		    apply_path_hints(pcis, true);
+		code = gx_path_add_point(sppath, ptx, pty);
+	      cc:if (code < 0)
+		    return code;
+		goto pp;
+	    case cx_rlineto:
+		for (ap = cstack; ap + 1 <= csp; ap += 2) {
+		    accum_xy(ap[0], ap[1]);
+		    code = gx_path_add_line(sppath, ptx, pty);
+		    if (code < 0)
+			return code;
+		}
+	      pp:if_debug2('1', "[1]pt=(%g,%g)\n",
+			  fixed2float(ptx), fixed2float(pty));
+		cnext;
+	    case cx_hlineto:
+		vertical = false;
+		goto hvl;
+	    case cx_vlineto:
+		vertical = true;
+	      hvl:for (ap = cstack; ap <= csp; vertical = !vertical, ++ap) {
+		    if (vertical)
+			accum_y(*ap)
+		    else
+			accum_x(*ap)
+		    code = gx_path_add_line(sppath, ptx, pty);
+		    if (code < 0)
+			return code;
+		}
+		goto pp;
+	    case cx_rrcurveto:
+		for (ap = cstack; ap + 5 <= csp; ap += 6) {
+		    code = gs_op1_rrcurveto(&s, ap[0], ap[1], ap[2],
+					    ap[3], ap[4], ap[5]);
+		    if (code < 0)
+			return code;
+		}
+		goto pp;
+	    case cx_endchar:
+		/*
+		 * It is an undocumented (!) feature of Type 2 CharStrings
+		 * that if endchar is invoked with 4 or 5 operands, it is
+		 * equivalent to the Type 1 seac operator!  In this case,
+		 * the asb operand of seac is missing: we assume it is
+		 * the same as the l.s.b. of the accented character.
+		 */
+		if (csp >= cstack + 3) {
+		    check_first_operator(csp > cstack + 3);
+		    code = gs_type1_seac(pcis, cstack, pcis->lsb.x, ipsp);
+		    if (code < 0)
+			return code;
+		    clear;
+		    cip = ipsp->char_string.data;
+		    goto call;
+		}
+		/*
+		 * This might be the only operator in the charstring.
+		 * In this case, there might be a width on the stack.
+		 */
+		check_first_operator(csp >= cstack);
+		code = gs_type1_endchar(pcis);
+		if (code == 1) {
+		    /*
+		     * Reset the total hint count so that hintmask will
+		     * parse its following data correctly.
+		     * (gs_type1_endchar already reset the actual hint
+		     * tables.)
+		     */
+		    pcis->num_hints = 0;
+		    /* do accent of seac */
+		    spt = pcis->position;
+		    ipsp = &pcis->ipstack[pcis->ips_count - 1];
+		    cip = ipsp->char_string.data;
+		    goto call;
+		}
+		return code;
+	    case cx_rmoveto:
+		check_first_operator(csp > cstack + 1);
+		accum_xy(csp[-1], *csp);
+		goto move;
+	    case cx_hmoveto:
+		check_first_operator(csp > cstack);
+		accum_x(*csp)
+		goto move;
+	    case cx_vhcurveto:
+		vertical = true;
+		goto hvc;
+	    case cx_hvcurveto:
+		vertical = false;
+	      hvc:for (ap = cstack; ap + 3 <= csp; vertical = !vertical, ap += 4) {
+		    gs_fixed_point pt1, pt2;
+		    fixed ax0 = sppath->position.x - ptx;
+		    fixed ay0 = sppath->position.y - pty;
+
+		    if (vertical)
+			accum_y(ap[0])
+		    else
+			accum_x(ap[0])
+		    pt1.x = ptx + ax0, pt1.y = pty + ay0;
+		    accum_xy(ap[1], ap[2]);
+		    pt2.x = ptx, pt2.y = pty;
+		    if (vertical) {
+			if (ap + 4 == csp)
+			    accum_xy(ap[3], ap[4]);
+			else
+			    accum_x(ap[3])
+		    } else {
+			if (ap + 4 == csp)
+			    accum_xy(ap[4], ap[3]);
+			else
+			    accum_y(ap[3])
+		    }
+		    code = gx_path_add_curve(sppath, pt1.x, pt1.y,
+					     pt2.x, pt2.y, ptx, pty);
+		    if (code < 0)
+			return code;
+		}
+		goto pp;
+
+			/***********************
+			 * New Type 2 commands *
+			 ***********************/
+
+	    case c2_blend:
+		{
+		    int n = fixed2int_var(*csp);
+		    int num_values = csp - cstack;
+		    gs_font_type1 *pfont = pcis->pfont;
+		    int k = pfont->data.WeightVector.count;
+		    int i, j;
+		    cs_ptr base, deltas;
+
+		    base = csp - 1 - num_values;
+		    deltas = base + n - 1;
+		    for (j = 0; j < n; j++, base++, deltas += k - 1)
+			for (i = 1; i < k; i++)
+			    *base += deltas[i] * pfont->data.WeightVector.values[i];
+		}
+		cnext;
+	    case c2_hstemhm:
+		pcis->have_hintmask = true;
+	      hstem:check_first_operator(!((csp - cstack) & 1));
+		apply_path_hints(pcis, false);
+		{
+		    fixed x = 0;
+
+		    for (ap = cstack; ap + 1 <= csp; x += ap[1], ap += 2)
+			type1_hstem(pcis, x += ap[0], ap[1]);
+		}
+		pcis->num_hints += (csp + 1 - cstack) >> 1;
+		cnext;
+	    case c2_hintmask:
+		/*
+		 * A hintmask at the beginning of the CharString is
+		 * equivalent to vstemhm + hintmask.  For simplicity, we use
+		 * this interpretation everywhere.
+		 */
+		pcis->have_hintmask = true;
+		check_first_operator(!((csp - cstack) & 1));
+		type2_vstem(pcis, csp, cstack);
+		clear;
+		/* (falls through) */
+	    case c2_cntrmask:
+		{
+		    byte mask[max_total_stem_hints / 8];
+		    int i;
+
+		    if_debug3('1', "[1]mask[%d:%dv,%dh]", pcis->num_hints,
+			  pcis->vstem_hints.count, pcis->hstem_hints.count);
+		    for (i = 0; i < pcis->num_hints; ++cip, i += 8) {
+			charstring_next(*cip, state, mask[i >> 3], encrypted);
+			if_debug1('1', " 0x%02x", mask[i >> 3]);
+		    }
+		    if_debug0('1', "\n");
+		    ipsp->ip = cip;
+		    ipsp->dstate = state;
+		    if (c == c2_cntrmask) {
+/****** NYI ******/
+		    } else {	/* hintmask or equivalent */
+			if_debug0('1', "[1]hstem hints:\n");
+			enable_hints(&pcis->hstem_hints, mask);
+			if_debug0('1', "[1]vstem hints:\n");
+			enable_hints(&pcis->vstem_hints, mask);
+		    }
+		}
+		break;
+	    case c2_vstemhm:
+		pcis->have_hintmask = true;
+	      vstem:check_first_operator(!((csp - cstack) & 1));
+		type2_vstem(pcis, csp, cstack);
+		cnext;
+	    case c2_rcurveline:
+		for (ap = cstack; ap + 5 <= csp; ap += 6) {
+		    code = gs_op1_rrcurveto(&s, ap[0], ap[1], ap[2], ap[3],
+					    ap[4], ap[5]);
+		    if (code < 0)
+			return code;
+		}
+		accum_xy(ap[0], ap[1]);
+		code = gx_path_add_line(sppath, ptx, pty);
+		goto cc;
+	    case c2_rlinecurve:
+		for (ap = cstack; ap + 7 <= csp; ap += 2) {
+		    accum_xy(ap[0], ap[1]);
+		    code = gx_path_add_line(sppath, ptx, pty);
+		    if (code < 0)
+			return code;
+		}
+		code = gs_op1_rrcurveto(&s, ap[0], ap[1], ap[2], ap[3],
+					ap[4], ap[5]);
+		goto cc;
+	    case c2_vvcurveto:
+		ap = cstack;
+		{
+		    int n = csp + 1 - cstack;
+		    fixed dxa = (n & 1 ? *ap++ : 0);
+
+		    for (; ap + 3 <= csp; ap += 4) {
+			code = gs_op1_rrcurveto(&s, dxa, ap[0], ap[1], ap[2],
+						fixed_0, ap[3]);
+			if (code < 0)
+			    return code;
+			dxa = 0;
+		    }
+		}
+		goto pp;
+	    case c2_hhcurveto:
+		ap = cstack;
+		{
+		    int n = csp + 1 - cstack;
+		    fixed dya = (n & 1 ? *ap++ : 0);
+
+		    for (; ap + 3 <= csp; ap += 4) {
+			code = gs_op1_rrcurveto(&s, ap[0], dya, ap[1], ap[2],
+						ap[3], fixed_0);
+			if (code < 0)
+			    return code;
+			dya = 0;
+		    }
+		}
+		goto pp;
+	    case c2_shortint:
+		{
+		    int c1, c2;
+
+		    charstring_next(*cip, state, c1, encrypted);
+		    ++cip;
+		    charstring_next(*cip, state, c2, encrypted);
+		    ++cip;
+		    *++csp = int2fixed((((c1 ^ 0x80) - 0x80) << 8) + c2);
+		}
+		goto pushed;
+	    case c2_callgsubr:
+		c = fixed2int_var(*csp) + pdata->gsubrNumberBias;
+		code = (*pdata->procs->subr_data)
+		    (pfont, c, true, &ipsp[1].char_string);
+		goto subr;
+	    case cx_escape:
+		charstring_next(*cip, state, c, encrypted);
+		++cip;
+#ifdef DEBUG
+		if (gs_debug['1'] && c < char2_extended_command_count) {
+		    static const char *const ce2names[] =
+		    {char2_extended_command_names};
+
+		    if (ce2names[c] == 0)
+			dlprintf2("[1]0x%lx: %02x??\n", (ulong) (cip - 1), c);
+		    else
+			dlprintf3("[1]0x%lx: %02x %s\n", (ulong) (cip - 1), c,
+				  ce2names[c]);
+		}
+#endif
+		switch ((char2_extended_command) c) {
+		    case ce2_and:
+			csp[-1] = ((csp[-1] != 0) & (*csp != 0) ? fixed_1 : 0);
+			--csp;
+			break;
+		    case ce2_or:
+			csp[-1] = (csp[-1] | *csp ? fixed_1 : 0);
+			--csp;
+			break;
+		    case ce2_not:
+			*csp = (*csp ? 0 : fixed_1);
+			break;
+		    case ce2_store:
+			{
+			    int i, n = fixed2int_var(*csp);
+			    float *to = Registry[fixed2int_var(csp[-3])].values +
+			    fixed2int_var(csp[-2]);
+			    const fixed *from =
+			    pcis->transient_array + fixed2int_var(csp[-1]);
+
+			    for (i = 0; i < n; ++i)
+				to[i] = fixed2float(from[i]);
+			}
+			csp -= 4;
+			break;
+		    case ce2_abs:
+			if (*csp < 0)
+			    *csp = -*csp;
+			break;
+		    case ce2_add:
+			csp[-1] += *csp;
+			--csp;
+			break;
+		    case ce2_sub:
+			csp[-1] -= *csp;
+			--csp;
+			break;
+		    case ce2_div:
+			csp[-1] = float2fixed((double)csp[-1] / *csp);
+			--csp;
+			break;
+		    case ce2_load:
+			/* The specification says there is no j (starting index */
+			/* in registry array) argument.... */
+			{
+			    int i, n = fixed2int_var(*csp);
+			    const float *from = Registry[fixed2int_var(csp[-2])].values;
+			    fixed *to =
+			    pcis->transient_array + fixed2int_var(csp[-1]);
+
+			    for (i = 0; i < n; ++i)
+				to[i] = float2fixed(from[i]);
+			}
+			csp -= 3;
+			break;
+		    case ce2_neg:
+			*csp = -*csp;
+			break;
+		    case ce2_eq:
+			csp[-1] = (csp[-1] == *csp ? fixed_1 : 0);
+			--csp;
+			break;
+		    case ce2_drop:
+			--csp;
+			break;
+		    case ce2_put:
+			pcis->transient_array[fixed2int_var(*csp)] = csp[-1];
+			csp -= 2;
+			break;
+		    case ce2_get:
+			*csp = pcis->transient_array[fixed2int_var(*csp)];
+			break;
+		    case ce2_ifelse:
+			if (csp[-1] > *csp)
+			    csp[-3] = csp[-2];
+			csp -= 3;
+			break;
+		    case ce2_random:
+			++csp;
+			/****** NYI ******/
+			break;
+		    case ce2_mul:
+			{
+			    double prod = fixed2float(csp[-1]) * *csp;
+
+			    csp[-1] =
+				(prod > max_fixed ? max_fixed :
+				 prod < min_fixed ? min_fixed : prod);
+			}
+			--csp;
+			break;
+		    case ce2_sqrt:
+			if (*csp >= 0)
+			    *csp = float2fixed(sqrt(fixed2float(*csp)));
+			break;
+		    case ce2_dup:
+			csp[1] = *csp;
+			++csp;
+			break;
+		    case ce2_exch:
+			{
+			    fixed top = *csp;
+
+			    *csp = csp[-1], csp[-1] = top;
+			}
+			break;
+		    case ce2_index:
+			*csp =
+			    (*csp < 0 ? csp[-1] : csp[-1 - fixed2int_var(csp[-1])]);
+			break;
+		    case ce2_roll:
+			{
+			    int distance = fixed2int_var(*csp);
+			    int count = fixed2int_var(csp[-1]);
+			    cs_ptr bot;
+
+			    csp -= 2;
+			    if (count < 0 || count > csp + 1 - cstack)
+				return_error(gs_error_invalidfont);
+			    if (count == 0)
+				break;
+			    if (distance < 0)
+				distance = count - (-distance % count);
+			    bot = csp + 1 - count;
+			    while (--distance >= 0) {
+				fixed top = *csp;
+
+				memmove(bot + 1, bot,
+					(count - 1) * sizeof(fixed));
+				*bot = top;
+			    }
+			}
+			break;
+		    case ce2_hflex:
+			csp[6] = fixed_half;	/* fd/100 */
+			csp[4] = *csp, csp[5] = 0;	/* dx6, dy6 */
+			csp[2] = csp[-1], csp[3] = -csp[-5];	/* dx5, dy5 */
+			*csp = csp[-2], csp[1] = 0;	/* dx4, dy4 */
+			csp[-2] = csp[-3], csp[-1] = 0;		/* dx3, dy3 */
+			csp[-3] = csp[-4], csp[-4] = csp[-5];	/* dx2, dy2 */
+			csp[-5] = 0;	/* dy1 */
+			csp += 6;
+			goto flex;
+		    case ce2_flex:
+			*csp /= 100;	/* fd/100 */
+flex:			{
+			    fixed x_join = csp[-12] + csp[-10] + csp[-8];
+			    fixed y_join = csp[-11] + csp[-9] + csp[-7];
+			    fixed x_end = x_join + csp[-6] + csp[-4] + csp[-2];
+			    fixed y_end = y_join + csp[-5] + csp[-3] + csp[-1];
+			    gs_point join, end;
+			    double flex_depth;
+
+			    if ((code =
+				 gs_distance_transform(fixed2float(x_join),
+						       fixed2float(y_join),
+						       &ctm_only(pcis->pis),
+						       &join)) < 0 ||
+				(code =
+				 gs_distance_transform(fixed2float(x_end),
+						       fixed2float(y_end),
+						       &ctm_only(pcis->pis),
+						       &end)) < 0
+				)
+				return code;
+			    /*
+			     * Use the X or Y distance depending on whether
+			     * the curve is more horizontal or more
+			     * vertical.
+			     */
+			    if (any_abs(end.y) > any_abs(end.x))
+				flex_depth = join.x;
+			    else
+				flex_depth = join.y;
+			    if (fabs(flex_depth) < fixed2float(*csp)) {
+				/* Do flex as line. */
+				accum_xy(x_end, y_end);
+				code = gx_path_add_line(sppath, ptx, pty);
+			    } else {
+				/*
+				 * Do flex as curve.  We can't jump to rrc,
+				 * because the flex operators don't clear
+				 * the stack (!).
+				 */
+				code = gs_op1_rrcurveto(&s,
+					csp[-12], csp[-11], csp[-10],
+					csp[-9], csp[-8], csp[-7]);
+				if (code < 0)
+				    return code;
+				code = gs_op1_rrcurveto(&s,
+					csp[-6], csp[-5], csp[-4],
+					csp[-3], csp[-2], csp[-1]);
+			    }
+			    if (code < 0)
+				return code;
+			    csp -= 13;
+			}
+			cnext;
+		    case ce2_hflex1:
+			csp[4] = fixed_half;	/* fd/100 */
+			csp[2] = *csp, csp[3] = 0;	/* dx6, dy6 */
+			*csp = csp[-2], csp[1] = csp[-1];	/* dx5, dy5 */
+			csp[-2] = csp[-3], csp[-1] = 0;		/* dx4, dy4 */
+			csp[-3] = 0;	/* dy3 */
+			csp += 4;
+			goto flex;
+		    case ce2_flex1:
+			{
+			    fixed dx = csp[-10] + csp[-8] + csp[-6] + csp[-4] + csp[-2];
+			    fixed dy = csp[-9] + csp[-7] + csp[-5] + csp[-3] + csp[-1];
+
+			    if (any_abs(dx) > any_abs(dy))
+				csp[1] = -dy;	/* d6 is dx6 */
+			    else
+				csp[1] = *csp, *csp = -dx;	/* d6 is dy6 */
+			}
+			csp[2] = fixed_half;	/* fd/100 */
+			csp += 2;
+			goto flex;
+		}
+		break;
+
+		/* Fill up the dispatch up to 32. */
+
+	      case_c2_undefs:
+	    default:		/* pacify compiler */
+		return_error(gs_error_invalidfont);
+	}
+    }
+}
+
+/* Register the interpreter. */
+void
+gs_gstype2_init(gs_memory_t * mem)
+{
+    gs_charstring_interpreter[2] = gs_type2_charstring_interpret;
+}
diff --git a/pstoraster/gstype42.c b/pstoraster/gstype42.c
new file mode 100644
index 000000000..e30946d5c
--- /dev/null
+++ b/pstoraster/gstype42.c
@@ -0,0 +1,481 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 42 (TrueType) font library routines */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsccode.h"
+#include "gsmatrix.h"
+#include "gxfixed.h"		/* for gxpath.h */
+#include "gxpath.h"
+#include "gxfont.h"
+#include "gxfont42.h"
+#include "gxistate.h"
+
+/*
+ * This Type 42 / TrueType rasterizer is about as primitive as it can be
+ * and still produce useful output.  Here are some things it doesn't handle:
+ *      - left side bearings;
+ * and, of course, instructions (hints).
+ */
+
+/* Structure descriptor */
+public_st_gs_font_type42();
+
+/* Set up a pointer to a substring of the font data. */
+/* Free variables: pfont, string_proc. */
+#define access(base, length, vptr)\
+  BEGIN\
+    code = (*string_proc)(pfont, (ulong)(base), length, &vptr);\
+    if ( code < 0 ) return code;\
+  END
+
+/* Get 2- or 4-byte quantities from a table. */
+#define u8(p) ((uint)((p)[0]))
+#define s8(p) (int)((u8(p) ^ 0x80) - 0x80)
+#define u16(p) (((uint)((p)[0]) << 8) + (p)[1])
+#define s16(p) (int)((u16(p) ^ 0x8000) - 0x8000)
+#define u32(p) (((ulong)u16(p) << 16) + u16((p) + 2))
+#define s32(p) (long)((u32(p) ^ 0x80000000) - 0x80000000)
+
+/* Define the default implementation for getting the outline data for */
+/* a glyph, using indexToLocFormat and the loca and glyf tables. */
+/* Set pglyph->data = 0 if the glyph is empty. */
+private int
+default_get_outline(gs_font_type42 * pfont, uint glyph_index,
+		    gs_const_string * pglyph)
+{
+    int (*string_proc) (P4(gs_font_type42 *, ulong, uint, const byte **)) =
+    pfont->data.string_proc;
+    const byte *ploca;
+    ulong glyph_start;
+    uint glyph_length;
+    int code;
+
+    /*
+     * We can't assume that consecutive loca entries are stored
+     * contiguously in memory: we have to access each entry
+     * individually.
+     */
+    if (pfont->data.indexToLocFormat) {
+	access(pfont->data.loca + glyph_index * 4, 4, ploca);
+	glyph_start = u32(ploca);
+	access(pfont->data.loca + glyph_index * 4 + 4, 4, ploca);
+	glyph_length = u32(ploca) - glyph_start;
+    } else {
+	access(pfont->data.loca + glyph_index * 2, 2, ploca);
+	glyph_start = (ulong) u16(ploca) << 1;
+	access(pfont->data.loca + glyph_index * 2 + 2, 2, ploca);
+	glyph_length = ((ulong) u16(ploca) << 1) - glyph_start;
+    }
+    pglyph->size = glyph_length;
+    if (glyph_length == 0)
+	pglyph->data = 0;
+    else
+	access(pfont->data.glyf + glyph_start, glyph_length, pglyph->data);
+    return 0;
+}
+
+/* Initialize the cached values in a Type 42 font. */
+/* Note that this initializes get_outline as well. */
+int
+gs_type42_font_init(gs_font_type42 * pfont)
+{
+    int (*string_proc) (P4(gs_font_type42 *, ulong, uint, const byte **)) =
+    pfont->data.string_proc;
+    const byte *OffsetTable;
+    uint numTables;
+    const byte *TableDirectory;
+    uint i;
+    int code;
+    byte head_box[8];
+
+    access(0, 12, OffsetTable);
+    {
+	static const byte version1_0[4] = {0, 1, 0, 0};
+	static const byte * const version_true = (const byte *)"true";
+
+	if (memcmp(OffsetTable, version1_0, 4) &&
+	    memcmp(OffsetTable, version_true, 4))
+	    return_error(gs_error_invalidfont);
+    }
+    numTables = u16(OffsetTable + 4);
+    access(12, numTables * 16, TableDirectory);
+    /* Clear optional entries. */
+    pfont->data.numLongMetrics = 0;
+    for (i = 0; i < numTables; ++i) {
+	const byte *tab = TableDirectory + i * 16;
+	ulong offset = u32(tab + 8);
+
+	if (!memcmp(tab, "glyf", 4))
+	    pfont->data.glyf = offset;
+	else if (!memcmp(tab, "head", 4)) {
+	    const byte *head;
+
+	    access(offset, 54, head);
+	    pfont->data.unitsPerEm = u16(head + 18);
+	    memcpy(head_box, head + 36, 8);
+	    pfont->data.indexToLocFormat = u16(head + 50);
+	} else if (!memcmp(tab, "hhea", 4)) {
+	    const byte *hhea;
+
+	    access(offset, 36, hhea);
+	    pfont->data.numLongMetrics = u16(hhea + 34);
+	} else if (!memcmp(tab, "hmtx", 4))
+	    pfont->data.hmtx = offset,
+		pfont->data.hmtx_length = (uint) u32(tab + 12);
+	else if (!memcmp(tab, "loca", 4))
+	    pfont->data.loca = offset;
+    }
+    /*
+     * If the font doesn't have a valid FontBBox, compute one from the
+     * 'head' information.  Since the Adobe PostScript driver sometimes
+     * outputs garbage FontBBox values, we use a "reasonableness" check
+     * here.
+     */
+    if (pfont->FontBBox.p.x >= pfont->FontBBox.q.x ||
+	pfont->FontBBox.p.y >= pfont->FontBBox.q.y ||
+	pfont->FontBBox.p.x < -0.5 || pfont->FontBBox.p.x > 0.5 ||
+	pfont->FontBBox.p.y < -0.5 || pfont->FontBBox.p.y > 0.5
+	) {
+	float upem = pfont->data.unitsPerEm;
+
+	pfont->FontBBox.p.x = s16(head_box) / upem;
+	pfont->FontBBox.p.y = s16(head_box + 2) / upem;
+	pfont->FontBBox.q.x = s16(head_box + 4) / upem;
+	pfont->FontBBox.q.y = s16(head_box + 6) / upem;
+    }
+    pfont->data.get_outline = default_get_outline;
+    return 0;
+}
+
+/* Get the metrics of a glyph. */
+int
+gs_type42_get_metrics(gs_font_type42 * pfont, uint glyph_index,
+		      float psbw[4])
+{
+    int (*string_proc) (P4(gs_font_type42 *, ulong, uint, const byte **)) =
+    pfont->data.string_proc;
+    float scale = pfont->data.unitsPerEm;
+    uint widthx;
+    int lsbx;
+    int code;
+
+    {
+	uint num_metrics = pfont->data.numLongMetrics;
+	const byte *hmetrics;
+
+	if (glyph_index < num_metrics) {
+	    access(pfont->data.hmtx + glyph_index * 4, 4, hmetrics);
+	    widthx = u16(hmetrics);
+	    lsbx = s16(hmetrics + 2);
+	} else {
+	    uint offset = pfont->data.hmtx + (num_metrics - 1) * 4;
+	    const byte *lsb;
+
+	    access(offset, 4, hmetrics);
+	    widthx = u16(hmetrics);
+	    offset += 4 + (glyph_index - num_metrics) * 2;
+	    if (offset >= pfont->data.hmtx_length)
+		offset = pfont->data.hmtx_length - 2;
+	    access(offset, 2, lsb);
+	    lsbx = s16(lsb);
+	}
+    }
+    psbw[0] = lsbx / scale;
+    psbw[1] = 0;
+    psbw[2] = widthx / scale;
+    psbw[3] = 0;
+    return 0;
+}
+
+/* Define the bits in the glyph flags. */
+#define gf_OnCurve 1
+#define gf_xShort 2
+#define gf_yShort 4
+#define gf_Repeat 8
+#define gf_xPos 16		/* xShort */
+#define gf_xSame 16		/* !xShort */
+#define gf_yPos 32		/* yShort */
+#define gf_ySame 32		/* !yShort */
+
+/* Define the bits in the component glyph flags. */
+#define cg_argsAreWords 1
+#define cg_argsAreXYValues 2
+#define cg_haveScale 8
+#define cg_moreComponents 32
+#define cg_haveXYScale 64
+#define cg_have2x2 128
+
+/* Forward references */
+private int append_outline(P4(uint glyph_index, const gs_matrix_fixed * pmat,
+			      gx_path * ppath, gs_font_type42 * pfont));
+
+/* Append a TrueType outline to a path. */
+/* Note that this does not append the final moveto for the width. */
+int
+gs_type42_append(uint glyph_index, gs_imager_state * pis,
+    gx_path * ppath, const gs_log2_scale_point * pscale, bool charpath_flag,
+		 int paint_type, gs_font_type42 * pfont)
+{
+    float sbw[4];
+
+    gs_type42_get_metrics(pfont, glyph_index, sbw);
+    /*
+     * This is where we should do something about the l.s.b., but I
+     * can't figure out from the TrueType documentation what it should
+     * be.
+     */
+    return append_outline(glyph_index, &pis->ctm, ppath, pfont);
+}
+
+/* Append a simple glyph outline. */
+private int
+append_simple(const byte * glyph, const gs_matrix_fixed * pmat, gx_path * ppath,
+	      gs_font_type42 * pfont)
+{
+    int numContours = s16(glyph);
+    const byte *pends = glyph + 10;
+    const byte *pinstr = pends + numContours * 2;
+    const byte *pflags;
+    uint npoints;
+    const byte *pxc, *pyc;
+    int code;
+
+    if (numContours == 0)
+	return 0;
+    /*
+     * It appears that the only way to find the X and Y coordinate
+     * tables is to parse the flags.  If this is true, it is an
+     * incredible piece of bad design.
+     */
+    {
+	const byte *pf = pflags = pinstr + 2 + u16(pinstr);
+	uint xbytes = npoints = u16(pinstr - 2) + 1;
+	uint np = npoints;
+
+	while (np > 0) {
+	    byte flags = *pf++;
+	    uint reps = (flags & gf_Repeat ? *pf++ + 1 : 1);
+
+	    if (!(flags & gf_xShort)) {
+		if (flags & gf_xSame)
+		    xbytes -= reps;
+		else
+		    xbytes += reps;
+	    }
+	    np -= reps;
+	}
+	pxc = pf;
+	pyc = pxc + xbytes;
+    }
+
+    /* Interpret the contours. */
+
+    {
+	uint i, np;
+	gs_fixed_point pt;
+	float scale = pfont->data.unitsPerEm;
+	uint reps = 0;
+	byte flags;
+
+	gs_point_transform2fixed(pmat, 0.0, 0.0, &pt);
+	for (i = 0, np = 0; i < numContours; ++i) {
+	    bool move = true;
+	    uint last_point = u16(pends + i * 2);
+	    float dx, dy;
+	    int off_curve = 0;
+	    gs_fixed_point start;
+	    gs_fixed_point cpoints[3];
+
+	    for (; np <= last_point; --reps, ++np) {
+		gs_fixed_point dpt;
+
+		if (reps == 0) {
+		    flags = *pflags++;
+		    reps = (flags & gf_Repeat ? *pflags++ + 1 : 1);
+		}
+		if (flags & gf_xShort)
+		    dx = (flags & gf_xPos ? *pxc++ : -(int)*pxc++) / scale;
+		else if (!(flags & gf_xSame))
+		    dx = s16(pxc) / scale, pxc += 2;
+		else
+		    dx = 0;
+		if (flags & gf_yShort)
+		    dy = (flags & gf_yPos ? *pyc++ : -(int)*pyc++) / scale;
+		else if (!(flags & gf_ySame))
+		    dy = s16(pyc) / scale, pyc += 2;
+		else
+		    dy = 0;
+		code = gs_distance_transform2fixed(pmat, dx, dy, &dpt);
+		if (code < 0)
+		    return code;
+		pt.x += dpt.x, pt.y += dpt.y;
+#define control1(xy) cpoints[1].xy
+#define control2(xy) cpoints[2].xy
+#define control3off(xy) ((cpoints[1].xy + pt.xy) / 2)
+#define control4off(xy) ((cpoints[0].xy + 2 * cpoints[1].xy) / 3)
+#define control5off(xy) ((2 * cpoints[1].xy + cpoints[2].xy) / 3)
+#define control6off(xy) ((2 * cpoints[1].xy + pt.xy) / 3)
+#define control7off(xy) ((2 * cpoints[1].xy + start.xy) / 3)
+		if (move) {
+		    if_debug2('1', "[1t]start (%g,%g)\n",
+			      fixed2float(pt.x), fixed2float(pt.y));
+		    start = pt;
+		    code = gx_path_add_point(ppath, pt.x, pt.y);
+		    cpoints[0] = pt;
+		    move = false;
+		} else if (flags & gf_OnCurve) {
+		    if_debug2('1', "[1t]ON (%g,%g)\n",
+			      fixed2float(pt.x), fixed2float(pt.y));
+		    if (off_curve)
+			code = gx_path_add_curve(ppath, control4off(x),
+					     control4off(y), control6off(x),
+						 control6off(y), pt.x, pt.y);
+		    else
+			code = gx_path_add_line(ppath, pt.x, pt.y);
+		    cpoints[0] = pt;
+		    off_curve = 0;
+		} else {
+		    if_debug2('1', "[1t]...off (%g,%g)\n",
+			      fixed2float(pt.x), fixed2float(pt.y));
+		    switch (off_curve++) {
+			default:	/* >= 1 */
+			    control2(x) = control3off(x);
+			    control2(y) = control3off(y);
+			    code = gx_path_add_curve(ppath,
+					     control4off(x), control4off(y),
+					     control5off(x), control5off(y),
+						  control2(x), control2(y));
+			    cpoints[0] = cpoints[2];
+			    off_curve = 1;
+			    /* falls through */
+			case 0:
+			    cpoints[1] = pt;
+		    }
+		}
+		if (code < 0)
+		    return code;
+	    }
+	    if (off_curve)
+		code = gx_path_add_curve(ppath, control4off(x), control4off(y),
+					 control7off(x), control7off(y),
+					 start.x, start.y);
+	    code = gx_path_close_subpath(ppath);
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
+
+/* Append a glyph outline. */
+private int
+append_outline(uint glyph_index, const gs_matrix_fixed * pmat, gx_path * ppath,
+	       gs_font_type42 * pfont)
+{
+    gs_const_string glyph_string;
+
+#define glyph glyph_string.data
+    int numContours;
+    int code;
+
+    code = (*pfont->data.get_outline) (pfont, glyph_index, &glyph_string);
+    if (code < 0)
+	return code;
+    if (glyph == 0 || glyph_string.size == 0)	/* empty glyph */
+	return 0;
+    numContours = s16(glyph);
+    if (numContours >= 0)
+	return append_simple(glyph, pmat, ppath, pfont);
+    if (numContours != -1)
+	return_error(gs_error_rangecheck);
+    /* This is a component glyph.  Things get messy.  */
+    {
+	uint flags;
+	float scale = pfont->data.unitsPerEm;
+
+	glyph += 10;
+	do {
+	    uint comp_index = u16(glyph + 2);
+	    gs_matrix_fixed mat;
+	    gs_matrix scale_mat;
+
+	    flags = u16(glyph);
+	    glyph += 4;
+	    mat = *pmat;
+	    if (flags & cg_argsAreXYValues) {
+		int arg1, arg2;
+		gs_fixed_point pt;
+
+		if (flags & cg_argsAreWords)
+		    arg1 = s16(glyph), arg2 = s16(glyph + 2), glyph += 4;
+		else
+		    arg1 = s8(glyph), arg2 = s8(glyph + 1), glyph += 2;
+		gs_point_transform2fixed(pmat, arg1 / scale,
+					 arg2 / scale, &pt);
+/****** HACK: WE KNOW ABOUT FIXED MATRICES ******/
+		mat.tx = fixed2float(mat.tx_fixed = pt.x);
+		mat.ty = fixed2float(mat.ty_fixed = pt.y);
+	    } else {
+/****** WE DON'T HANDLE POINT MATCHING YET ******/
+		glyph += (flags & cg_argsAreWords ? 4 : 2);
+	    }
+#define s2_14(p) (s16(p) / 16384.0)
+	    if (flags & cg_haveScale) {
+		scale_mat.xx = scale_mat.yy = s2_14(glyph);
+		scale_mat.xy = scale_mat.yx = 0;
+		glyph += 2;
+	    } else if (flags & cg_haveXYScale) {
+		scale_mat.xx = s2_14(glyph);
+		scale_mat.yy = s2_14(glyph + 2);
+		scale_mat.xy = scale_mat.yx = 0;
+		glyph += 4;
+	    } else if (flags & cg_have2x2) {
+		scale_mat.xx = s2_14(glyph);
+		scale_mat.xy = s2_14(glyph + 2);
+		scale_mat.yx = s2_14(glyph + 4);
+		scale_mat.yy = s2_14(glyph + 6);
+		glyph += 8;
+	    } else
+		goto no_scale;
+#undef s2_14
+	    scale_mat.tx = 0;
+	    scale_mat.ty = 0;
+	    /* The scale doesn't affect mat.t{x,y}, so we don't */
+	    /* need to update the fixed components. */
+	    gs_matrix_multiply(&scale_mat, (const gs_matrix *)&mat,
+			       (gs_matrix *) & mat);
+	  no_scale:code = append_outline(comp_index, &mat, ppath, pfont);
+	    if (code < 0)
+		return code;
+	}
+	while (flags & cg_moreComponents);
+    }
+    return 0;
+#undef glyph
+}
diff --git a/pstoraster/gstypes.h b/pstoraster/gstypes.h
new file mode 100644
index 000000000..8adcb1773
--- /dev/null
+++ b/pstoraster/gstypes.h
@@ -0,0 +1,86 @@
+/* Copyright (C) 1989, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous common types for Ghostscript library */
+
+#ifndef gstypes_INCLUDED
+#  define gstypes_INCLUDED
+
+/*
+ * Define a type used internally for unique IDs of various kinds
+ * (primarily, but not exclusively, character and halftone bitmaps).
+ * These IDs bear no relation to any other ID space; we generate them all
+ * ourselves.
+ */
+typedef ulong gs_id;
+
+#define gs_no_id 0L
+
+/*
+ * Define a sensible representation of a string, as opposed to
+ * the C char * type (which can't store arbitrary data, represent
+ * substrings, or perform concatenation without destroying aliases).
+ */
+typedef struct gs_string_s {
+    byte *data;
+    uint size;
+} gs_string;
+typedef struct gs_const_string_s {
+    const byte *data;
+    uint size;
+} gs_const_string;
+
+/*
+ * Define types for Cartesian points.
+ */
+typedef struct gs_point_s {
+    double x, y;
+} gs_point;
+typedef struct gs_int_point_s {
+    int x, y;
+} gs_int_point;
+
+/*
+ * Define a scale for oversampling.  Clients don't actually use this,
+ * but this seemed like the handiest place for it.
+ */
+typedef struct gs_log2_scale_point_s {
+    int x, y;
+} gs_log2_scale_point;
+
+/*
+ * Define types for rectangles in the Cartesian plane.
+ * Note that rectangles are half-open, i.e.: their width is
+ * q.x-p.x and their height is q.y-p.y; they include the points
+ * (x,y) such that p.x<=x<q.x and p.y<=y<q.y.
+ */
+typedef struct gs_rect_s {
+    gs_point p, q;		/* origin point, corner point */
+} gs_rect;
+typedef struct gs_int_rect_s {
+    gs_int_point p, q;
+} gs_int_rect;
+
+#endif /* gstypes_INCLUDED */
diff --git a/pstoraster/gsuid.h b/pstoraster/gsuid.h
new file mode 100644
index 000000000..8c6ceb5f4
--- /dev/null
+++ b/pstoraster/gsuid.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1992, 1993, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Unique id definitions for Ghostscript */
+
+#ifndef gsuid_INCLUDED
+#  define gsuid_INCLUDED
+
+/* A unique id (uid) may be either a UniqueID or an XUID. */
+/* (XUIDs are a Level 2 feature.) */
+#ifndef gs_uid_DEFINED
+#  define gs_uid_DEFINED
+typedef struct gs_uid_s gs_uid;
+
+#endif
+struct gs_uid_s {
+    /* id >= 0 is a UniqueID, xvalues is 0. */
+    /* id < 0 is an XUID, size of xvalues is -id. */
+    long id;
+    long *xvalues;
+};
+
+/*
+ * A UniqueID of no_UniqueID is an indication that there is no uid.
+ * Since we sometimes use gs_ids as UniqueIDs, we want to choose as large
+ * a (positive) value as possible for no_UniqueID.
+ */
+#define no_UniqueID max_long
+#define uid_is_valid(puid)\
+  ((puid)->id != no_UniqueID)
+#define uid_set_invalid(puid)\
+  ((puid)->id = no_UniqueID, (puid)->xvalues = 0)
+#define uid_is_UniqueID(puid)\
+  (((puid)->id & ~0xffffff) == 0)
+#define uid_is_XUID(puid)\
+  ((puid)->id < 0)
+
+/* Initialize a uid. */
+#define uid_set_UniqueID(puid, idv)\
+  ((puid)->id = idv, (puid)->xvalues = 0)
+#define uid_set_XUID(puid, pvalues, siz)\
+  ((puid)->id = -(long)(siz), (puid)->xvalues = pvalues)
+
+/* Get the size and the data of an XUID. */
+#define uid_XUID_size(puid) ((uint)(-(puid)->id))
+#define uid_XUID_values(puid) ((puid)->xvalues)
+
+/* Compare two uids for equality. */
+/* This could be a macro, but the Zortech compiler compiles it wrong. */
+bool uid_equal(P2(const gs_uid *, const gs_uid *));	/* in gsutil.c */
+
+/* Free the XUID array of a uid if necessary. */
+#define uid_free(puid, mem, cname)\
+  gs_free_object(mem, (puid)->xvalues, cname)
+
+#endif /* gsuid_INCLUDED */
diff --git a/pstoraster/gsutil.c b/pstoraster/gsutil.c
new file mode 100644
index 000000000..899ab1369
--- /dev/null
+++ b/pstoraster/gsutil.c
@@ -0,0 +1,285 @@
+/* Copyright (C) 1992, 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Utilities for Ghostscript library */
+#include "string_.h"
+#include "memory_.h"
+#include "gstypes.h"
+#include "gconfigv.h"		/* for USE_ASM */
+#include "gsmemory.h"		/* for init procedure */
+#include "gsrect.h"		/* for prototypes */
+#include "gsuid.h"
+#include "gsutil.h"		/* for prototypes */
+
+/* ------ Unique IDs ------ */
+
+/* Generate a block of unique IDs. */
+static ulong gs_next_id;
+
+void
+gs_gsutil_init(gs_memory_t *mem)
+{
+    gs_next_id = 1;
+}
+
+ulong
+gs_next_ids(uint count)
+{
+    ulong id = gs_next_id;
+
+    gs_next_id += count;
+    return id;
+}
+
+/* ------ Memory utilities ------ */
+
+/* Transpose an 8 x 8 block of bits.  line_size is the raster of */
+/* the input data.  dist is the distance between output bytes. */
+/* This routine may be supplanted by assembly code. */
+#if !USE_ASM
+
+void
+memflip8x8(const byte * inp, int line_size, byte * outp, int dist)
+{
+    register uint ae, bf, cg, dh;
+
+    {
+	const byte *ptr4 = inp + (line_size << 2);
+
+	ae = ((uint) * inp << 8) + *ptr4;
+	inp += line_size, ptr4 += line_size;
+	bf = ((uint) * inp << 8) + *ptr4;
+	inp += line_size, ptr4 += line_size;
+	cg = ((uint) * inp << 8) + *ptr4;
+	inp += line_size, ptr4 += line_size;
+	dh = ((uint) * inp << 8) + *ptr4;
+    }
+
+    /* Check for all 8 bytes being the same. */
+    /* This is especially worth doing for the case where all are zero. */
+    if (ae == bf && ae == cg && ae == dh && (ae >> 8) == (ae & 0xff)) {
+	if (ae == 0)
+	    goto store;
+	*outp = -((ae >> 7) & 1);
+	outp += dist;
+	*outp = -((ae >> 6) & 1);
+	outp += dist;
+	*outp = -((ae >> 5) & 1);
+	outp += dist;
+	*outp = -((ae >> 4) & 1);
+	outp += dist;
+	*outp = -((ae >> 3) & 1);
+	outp += dist;
+	*outp = -((ae >> 2) & 1);
+	outp += dist;
+	*outp = -((ae >> 1) & 1);
+	outp += dist;
+	*outp = -(ae & 1);
+	return;
+    } {
+	register uint temp;
+
+/* Transpose a block of bits between registers. */
+#define transpose(r,s,mask,shift)\
+  r ^= (temp = ((s >> shift) ^ r) & mask);\
+  s ^= temp << shift
+
+/* Transpose blocks of 4 x 4 */
+#define transpose4(r) transpose(r,r,0x00f0,4)
+	transpose4(ae);
+	transpose4(bf);
+	transpose4(cg);
+	transpose4(dh);
+
+/* Transpose blocks of 2 x 2 */
+	transpose(ae, cg, 0x3333, 2);
+	transpose(bf, dh, 0x3333, 2);
+
+/* Transpose blocks of 1 x 1 */
+	transpose(ae, bf, 0x5555, 1);
+	transpose(cg, dh, 0x5555, 1);
+
+    }
+
+  store:*outp = ae >> 8;
+    outp += dist;
+    *outp = bf >> 8;
+    outp += dist;
+    *outp = cg >> 8;
+    outp += dist;
+    *outp = dh >> 8;
+    outp += dist;
+    *outp = (byte) ae;
+    outp += dist;
+    *outp = (byte) bf;
+    outp += dist;
+    *outp = (byte) cg;
+    outp += dist;
+    *outp = (byte) dh;
+}
+
+#endif /* !USE_ASM */
+
+/* ------ String utilities ------ */
+
+/* Compare two strings, returning -1 if the first is less, */
+/* 0 if they are equal, and 1 if first is greater. */
+/* We can't use memcmp, because we always use unsigned characters. */
+int
+bytes_compare(const byte * s1, uint len1, const byte * s2, uint len2)
+{
+    register uint len = len1;
+
+    if (len2 < len)
+	len = len2;
+    {
+	register const byte *p1 = s1;
+	register const byte *p2 = s2;
+
+	while (len--)
+	    if (*p1++ != *p2++)
+		return (p1[-1] < p2[-1] ? -1 : 1);
+    }
+    /* Now check for differing lengths */
+    return (len1 == len2 ? 0 : len1 < len2 ? -1 : 1);
+}
+
+/* Test whether a string matches a pattern with wildcards. */
+/* '*' = any substring, '?' = any character, '\' quotes next character. */
+private const string_match_params smp_default =
+{'*', '?', '\\', false};
+
+bool
+string_match(const byte * str, uint len, const byte * pstr, uint plen,
+	     register const string_match_params * psmp)
+{
+    const byte *pback = 0;
+    const byte *spback = 0;	/* initialized only to pacify gcc */
+    const byte *p = pstr, *pend = pstr + plen;
+    const byte *sp = str, *spend = str + len;
+
+    if (psmp == 0)
+	psmp = &smp_default;
+  again:while (p < pend) {
+	register byte ch = *p;
+
+	if (ch == psmp->any_substring) {
+	    pback = ++p, spback = sp;
+	    continue;
+	} else if (ch == psmp->any_char) {
+	    if (sp == spend)
+		return false;	/* str too short */
+	    p++, sp++;
+	    continue;
+	} else if (ch == psmp->quote_next) {
+	    if (++p == pend)
+		return true;	/* bad pattern */
+	    ch = *p;
+	}
+	if (sp == spend)
+	    return false;	/* str too short */
+	if (*sp == ch ||
+	    (psmp->ignore_case && (*sp ^ ch) == 0x20 &&
+	     (ch &= ~0x20) >= 0x41 && ch <= 0x5a)
+	    )
+	    p++, sp++;
+	else if (pback == 0)
+	    return false;	/* no * to back up to */
+	else {
+	    sp = ++spback;
+	    p = pback;
+	}
+    }
+    if (sp < spend) {		/* We got a match, but there are chars left over. */
+	/* If we can back up, back up to the only place that */
+	/* could produce a complete match, otherwise fail. */
+	if (pback == 0)
+	    return false;
+	p = pback;
+	pback = 0;
+	sp = spend - (pend - p);
+	goto again;
+    }
+    return true;
+}
+
+/* ------ UID utilities ------ */
+
+/* Compare two UIDs for equality. */
+/* We know that at least one of them is valid. */
+bool
+uid_equal(register const gs_uid * puid1, register const gs_uid * puid2)
+{
+    if (puid1->id != puid2->id)
+	return false;
+    if (puid1->id >= 0)
+	return true;		/* UniqueID */
+    return
+	!memcmp((const char *)puid1->xvalues,
+		(const char *)puid2->xvalues,
+		(uint) - (puid1->id) * sizeof(long));
+}
+
+/* ------ Rectangle utilities ------ */
+
+/*
+ * Calculate the difference of two rectangles, a list of up to 4 rectangles.
+ * Return the number of rectangles in the list, and set the first rectangle
+ * to the intersection.
+ */
+int
+int_rect_difference(gs_int_rect * outer, const gs_int_rect * inner,
+		    gs_int_rect * diffs /*[4] */ )
+{
+    int x0 = outer->p.x, y0 = outer->p.y;
+    int x1 = outer->q.x, y1 = outer->q.y;
+    int count = 0;
+
+    if (y0 < inner->p.y) {
+	diffs[0].p.x = x0, diffs[0].p.y = y0;
+	diffs[0].q.x = x1, diffs[0].q.y = min(y1, inner->p.y);
+	outer->p.y = y0 = diffs[0].q.y;
+	++count;
+    }
+    if (y1 > inner->q.y) {
+	diffs[count].p.x = x0, diffs[count].p.y = max(y0, inner->q.y);
+	diffs[count].q.x = x1, diffs[count].q.y = y1;
+	outer->q.y = y1 = diffs[count].p.y;
+	++count;
+    }
+    if (x0 < inner->p.x) {
+	diffs[0].p.x = x0, diffs[0].p.y = y0;
+	diffs[0].q.x = min(x1, inner->p.x), diffs[0].q.y = y1;
+	outer->p.x = x0 = diffs[count].q.x;
+	++count;
+    }
+    if (x1 > inner->q.x) {
+	diffs[count].p.x = max(x0, inner->q.x), diffs[count].p.y = y0;
+	diffs[count].q.x = x1, diffs[count].q.y = y1;
+	outer->q.x = x1 = diffs[count].p.x;
+	++count;
+    }
+    return count;
+}
diff --git a/pstoraster/gsutil.h b/pstoraster/gsutil.h
new file mode 100644
index 000000000..756be1f7f
--- /dev/null
+++ b/pstoraster/gsutil.h
@@ -0,0 +1,67 @@
+/* Copyright (C) 1992, 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Prototypes for procedures in gsutil.c */
+
+#ifndef gsutil_INCLUDED
+#  define gsutil_INCLUDED
+
+/* ------ Unique IDs ------ */
+
+/* Generate a block of unique IDs. */
+gs_id gs_next_ids(P1(uint count));
+
+/* ------ Memory utilities ------ */
+
+/* Transpose an 8 x 8 block of bits. */
+/* line_size is the raster of the input data; */
+/* dist is the distance between output bytes. */
+/* Dot matrix printers need this. */
+/* Note that with a negative dist value, */
+/* this will rotate an 8 x 8 block 90 degrees counter-clockwise. */
+void memflip8x8(P4(const byte * inp, int line_size, byte * outp, int dist));
+
+/* ------ String utilities ------ */
+
+/* Compare two strings, returning -1 if the first is less, */
+/* 0 if they are equal, and 1 if first is greater. */
+/* We can't use memcmp, because we always use unsigned characters. */
+int bytes_compare(P4(const byte * str1, uint len1,
+		     const byte * str2, uint len2));
+
+/* Test whether a string matches a pattern with wildcards. */
+/* If psmp == NULL, use standard parameters: '*' = any substring, */
+/* '?' = any character, '\\' quotes next character, don't ignore case. */
+typedef struct string_match_params_s {
+    int any_substring;		/* '*' */
+    int any_char;		/* '?' */
+    int quote_next;		/* '\\' */
+    bool ignore_case;
+} string_match_params;
+bool string_match(P5(const byte * str, uint len,
+		     const byte * pstr, uint plen,
+		     const string_match_params * psmp));
+
+#endif /* gsutil_INCLUDED */
diff --git a/pstoraster/gsxfont.h b/pstoraster/gsxfont.h
new file mode 100644
index 000000000..1968a4f98
--- /dev/null
+++ b/pstoraster/gsxfont.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* External font client definitions for Ghostscript library */
+
+#ifndef gsxfont_INCLUDED
+#  define gsxfont_INCLUDED
+
+/* Define a character glyph identifier.  This is opaque, probably an index */
+/* into the font.  Glyph identifiers are font-specific. */
+typedef ulong gx_xglyph;
+
+#define gx_no_xglyph ((gx_xglyph)~0L)
+
+/* Structure for xfont procedures. */
+struct gx_xfont_procs_s;
+typedef struct gx_xfont_procs_s gx_xfont_procs;
+
+/* A generic xfont. */
+struct gx_xfont_s;
+typedef struct gx_xfont_s gx_xfont;
+
+#endif /* gsxfont_INCLUDED */
diff --git a/pstoraster/gx.h b/pstoraster/gx.h
new file mode 100644
index 000000000..42ca7efb9
--- /dev/null
+++ b/pstoraster/gx.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 1989, 1991, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common internal definitions for Ghostscript library */
+
+#ifndef gx_INCLUDED
+#  define gx_INCLUDED
+
+#include "stdio_.h"		/* includes std.h */
+#include "gserror.h"
+#include "gsio.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gdebug.h"
+
+/* Define opaque types for the graphics state. */
+/* This is used so pervasively that we define it here, */
+/* rather than at a higher level as perhaps would be more appropriate. */
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+
+#endif /* gx_INCLUDED */
diff --git a/pstoraster/gxacpath.c b/pstoraster/gxacpath.c
new file mode 100644
index 000000000..9f0b55c81
--- /dev/null
+++ b/pstoraster/gxacpath.c
@@ -0,0 +1,479 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Accumulator for clipping paths */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrop.h"
+#include "gsstruct.h"
+#include "gsutil.h"
+#include "gsdcolor.h"
+#include "gxdevice.h"
+#include "gxfixed.h"
+#include "gzpath.h"
+#include "gxpaint.h"
+#include "gzcpath.h"
+#include "gzacpath.h"
+
+/* Imported procedures */
+extern gx_device *gs_currentdevice(P1(const gs_state *));
+extern float gs_currentflat(P1(const gs_state *));
+extern bool clip_list_validate(P1(const gx_clip_list *));
+
+/* Device procedures */
+private dev_proc_open_device(accum_open);
+private dev_proc_close_device(accum_close);
+private dev_proc_fill_rectangle(accum_fill_rectangle);
+
+/* The device descriptor */
+/* Many of these procedures won't be called; they are set to NULL. */
+private const gx_device_cpath_accum gs_cpath_accum_device =
+{std_device_std_body(gx_device_cpath_accum, 0, "clip list accumulator",
+		     0, 0, 1, 1),
+ {accum_open,
+  NULL,
+  NULL,
+  NULL,
+  accum_close,
+  NULL,
+  NULL,
+  accum_fill_rectangle,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  gx_default_fill_path,
+  gx_default_stroke_path,
+  NULL,
+  gx_default_fill_trapezoid,
+  gx_default_fill_parallelogram,
+  gx_default_fill_triangle,
+  gx_default_draw_thin_line,
+  gx_default_begin_image,
+  gx_default_image_data,
+  gx_default_end_image,
+  NULL,
+  NULL,
+  gx_get_largest_clipping_box,
+  gx_default_begin_typed_image,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  gx_default_text_begin
+ }
+};
+
+/* Start accumulating a clipping path. */
+void
+gx_cpath_accum_begin(gx_device_cpath_accum * padev, gs_memory_t * mem)
+{
+    gx_device_init((gx_device *) padev,
+		   (const gx_device *) & gs_cpath_accum_device,
+		   NULL /* allocated on stack */ , true);
+    padev->list_memory = mem;
+    (*dev_proc(padev, open_device)) ((gx_device *) padev);
+}
+
+void
+gx_cpath_accum_set_cbox(gx_device_cpath_accum * padev,
+			const gs_fixed_rect * pbox)
+{
+    padev->clip_box.p.x = fixed2int_var(pbox->p.x);
+    padev->clip_box.p.y = fixed2int_var(pbox->p.y);
+    padev->clip_box.q.x = fixed2int_var_ceiling(pbox->q.x);
+    padev->clip_box.q.y = fixed2int_var_ceiling(pbox->q.y);
+}
+
+/* Finish accumulating a clipping path. */
+int
+gx_cpath_accum_end(const gx_device_cpath_accum * padev, gx_clip_path * pcpath)
+{
+    int code = (*dev_proc(padev, close_device)) ((gx_device *) padev);
+    /* Make an entire clipping path so we can use cpath_assign. */
+    gx_clip_path apath;
+
+    if (code < 0)
+	return code;
+    gx_cpath_init_local(&apath, padev->list_memory);
+    apath.rect_list->list = padev->list;
+    apath.path.bbox.p.x = int2fixed(padev->bbox.p.x);
+    apath.path.bbox.p.y = int2fixed(padev->bbox.p.y);
+    apath.path.bbox.q.x = int2fixed(padev->bbox.q.x);
+    apath.path.bbox.q.y = int2fixed(padev->bbox.q.y);
+    /* Using the setbbox flag here is slightly bogus, */
+    /* but it's as good a way as any to indicate that */
+    /* the bbox is accurate. */
+    apath.path.bbox_set = 1;
+    /* Note that the result of the intersection might be */
+    /* a single rectangle.  This will cause clip_path_is_rect.. */
+    /* to return true.  This, in turn, requires that */
+    /* we set apath.inner_box correctly. */
+    if (clip_list_is_rectangle(&padev->list))
+	apath.inner_box = apath.path.bbox;
+    else {
+	/* The quick check must fail. */
+	apath.inner_box.p.x = apath.inner_box.p.y = 0;
+	apath.inner_box.q.x = apath.inner_box.q.y = 0;
+    }
+    gx_cpath_set_outer_box(&apath);
+    apath.path_valid = false;
+    apath.id = gs_next_ids(1);	/* path changed => change id */
+    gx_cpath_assign_free(pcpath, &apath);
+    return 0;
+}
+
+/* Discard an accumulator in case of error. */
+void
+gx_cpath_accum_discard(gx_device_cpath_accum * padev)
+{
+    gx_clip_list_free(&padev->list, padev->list_memory);
+}
+
+/* Intersect two clipping paths using an accumulator. */
+int
+gx_cpath_intersect_slow(gs_state * pgs, gx_clip_path * pcpath, gx_path * ppath,
+			int rule)
+{
+    bool outside = gx_cpath_is_outside(pcpath);
+    gs_logical_operation_t save_lop = gs_current_logical_op(pgs);
+    gx_device_cpath_accum adev;
+    gx_device_color devc;
+    gx_fill_params params;
+    int code;
+
+    gx_cpath_accum_begin(&adev, pcpath->path.memory);
+    color_set_pure(&devc, 0);	/* arbitrary, but not transparent */
+    gs_set_logical_op(pgs, lop_default);
+    params.rule = rule;
+    params.adjust.x = params.adjust.y = fixed_half;
+    params.flatness = gs_currentflat(pgs);
+    params.fill_zero_width = true;
+    code = gx_fill_path_only(ppath, (gx_device *) & adev,
+			     (const gs_imager_state *)pgs,
+			     &params, &devc, pcpath);
+    if (code < 0 || (code = gx_cpath_accum_end(&adev, pcpath)) < 0)
+	gx_cpath_accum_discard(&adev);
+    gx_cpath_set_outside(pcpath, outside);
+    gs_set_logical_op(pgs, save_lop);
+    return code;
+}
+
+/* ------ Device implementation ------ */
+
+/* Initialize the accumulation device. */
+private int
+accum_open(register gx_device * dev)
+{
+    gx_device_cpath_accum * const adev = (gx_device_cpath_accum *)dev;
+
+    gx_clip_list_init(&adev->list);
+    adev->bbox.p.x = adev->bbox.p.y = max_int;
+    adev->bbox.q.x = adev->bbox.q.y = min_int;
+    adev->clip_box.p.x = adev->clip_box.p.y = min_int;
+    adev->clip_box.q.x = adev->clip_box.q.y = max_int;
+    return 0;
+}
+
+/* Close the accumulation device. */
+private int
+accum_close(gx_device * dev)
+{
+#ifdef DEBUG
+    gx_device_cpath_accum * const adev = (gx_device_cpath_accum *)dev;
+
+    if (gs_debug_c('q')) {
+	gx_clip_rect *rp =
+	    (adev->list.count <= 1 ? &adev->list.single : adev->list.head);
+
+	dlprintf4("[q]list at 0x%lx, count=%d, head=0x%lx, tail=0x%lx:\n",
+		  (ulong) & adev->list, adev->list.count,
+		  (ulong) adev->list.head, (ulong) adev->list.tail);
+	while (rp != 0) {
+	    clip_rect_print('q', "   ", rp);
+	    rp = rp->next;
+	}
+    }
+    if (!clip_list_validate(&adev->list)) {
+	lprintf1("[q]Bad clip list 0x%lx!\n", (ulong) & adev->list);
+	return_error(gs_error_Fatal);
+    }
+#endif
+    return 0;
+}
+
+/* Accumulate one rectangle. */
+#undef adev
+/* Allocate a rectangle to be added to the list. */
+static const gx_clip_rect clip_head_rect =
+{0, 0, min_int, min_int, min_int, min_int};
+static const gx_clip_rect clip_tail_rect =
+{0, 0, max_int, max_int, max_int, max_int};
+private gx_clip_rect *
+accum_alloc_rect(gx_device_cpath_accum * adev)
+{
+    gs_memory_t *mem = adev->list_memory;
+    gx_clip_rect *ar = gs_alloc_struct(mem, gx_clip_rect, &st_clip_rect,
+				       "accum_alloc_rect");
+
+    if (ar == 0)
+	return 0;
+    if (adev->list.count == 2) {	/* We're switching from a single rectangle to a list. */
+	/* Allocate the head and tail entries. */
+	gx_clip_rect *head = ar;
+	gx_clip_rect *tail =
+	gs_alloc_struct(mem, gx_clip_rect, &st_clip_rect,
+			"accum_alloc_rect(tail)");
+	gx_clip_rect *single =
+	gs_alloc_struct(mem, gx_clip_rect, &st_clip_rect,
+			"accum_alloc_rect(single)");
+
+	ar = gs_alloc_struct(mem, gx_clip_rect, &st_clip_rect,
+			     "accum_alloc_rect(head)");
+	if (tail == 0 || single == 0 || ar == 0) {
+	    gs_free_object(mem, ar, "accum_alloc_rect");
+	    gs_free_object(mem, single, "accum_alloc_rect(single)");
+	    gs_free_object(mem, tail, "accum_alloc_rect(tail)");
+	    gs_free_object(mem, head, "accum_alloc_rect(head)");
+	    return 0;
+	}
+	*head = clip_head_rect;
+	head->next = single;
+	*single = adev->list.single;
+	single->prev = head;
+	single->next = tail;
+	*tail = clip_tail_rect;
+	tail->prev = single;
+	adev->list.head = head;
+	adev->list.tail = tail;
+    }
+    return ar;
+}
+#define accum_alloc(s, ar, px, py, qx, qy)\
+	if ( ++(adev->list.count) == 1 )\
+	  ar = &adev->list.single;\
+	else if ( (ar = accum_alloc_rect(adev)) == 0 )\
+	  return_error(gs_error_VMerror);\
+	accum_set(s, ar, px, py, qx, qy)
+#define accum_set(s, ar, px, py, qx, qy)\
+	(ar)->xmin = px, (ar)->ymin = py, (ar)->xmax = qx, (ar)->ymax = qy;\
+	clip_rect_print('Q', s, ar)
+/* Link or unlink a rectangle in the list. */
+#define accum_add_last(ar)\
+	accum_add_before(ar, adev->list.tail)
+#define accum_add_after(ar, rprev)\
+	ar->prev = (rprev), (ar->next = (rprev)->next)->prev = ar,\
+	  (rprev)->next = ar
+#define accum_add_before(ar, rnext)\
+	(ar->prev = (rnext)->prev)->next = ar, ar->next = (rnext),\
+	  (rnext)->prev = ar
+#define accum_remove(ar)\
+	ar->next->prev = ar->prev, ar->prev->next = ar->next
+/* Free a rectangle that was removed from the list. */
+#define accum_free(s, ar)\
+	if ( --(adev->list.count) )\
+	  { clip_rect_print('Q', s, ar);\
+	    gs_free_object(adev->list_memory, ar, "accum_rect");\
+	  }
+/*
+ * Add a rectangle to the list.  It would be wonderful if rectangles
+ * were always disjoint and always presented in the correct order,
+ * but they aren't: the fill loop works by trapezoids, not by scan lines,
+ * and may produce slightly overlapping rectangles because of "fattening".
+ * All we can count on is that they are approximately disjoint and
+ * approximately in order.
+ *
+ * Because of the way the fill loop handles a path that is just a single
+ * rectangle, we take special care to merge Y-adjacent rectangles when
+ * this is possible.
+ */
+private int
+accum_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+		     gx_color_index color)
+{
+    gx_device_cpath_accum * const adev = (gx_device_cpath_accum *)dev;
+    int xe = x + w, ye = y + h;
+    gx_clip_rect *nr;
+    gx_clip_rect *ar;
+    register gx_clip_rect *rptr;
+    int ymin, ymax;
+
+    /* Clip the rectangle being added. */
+    if (y < adev->clip_box.p.y)
+	y = adev->clip_box.p.y;
+    if (ye > adev->clip_box.q.y)
+	ye = adev->clip_box.q.y;
+    if (y >= ye)
+	return 0;
+    if (x < adev->clip_box.p.x)
+	x = adev->clip_box.p.x;
+    if (xe > adev->clip_box.q.x)
+	xe = adev->clip_box.q.x;
+    if (x >= xe)
+	return 0;
+
+    /* Update the bounding box. */
+    if (x < adev->bbox.p.x)
+	adev->bbox.p.x = x;
+    if (y < adev->bbox.p.y)
+	adev->bbox.p.y = y;
+    if (xe > adev->bbox.q.x)
+	adev->bbox.q.x = xe;
+    if (ye > adev->bbox.q.y)
+	adev->bbox.q.y = ye;
+
+  top:if (adev->list.count == 0) {	/* very first rectangle */
+	adev->list.count = 1;
+	accum_set("single", &adev->list.single, x, y, xe, ye);
+	return 0;
+    }
+    if (adev->list.count == 1)	/* check for Y merging */
+       
+    {
+	rptr = &adev->list.single;
+	if (x == rptr->xmin && xe == rptr->xmax &&
+	    y <= rptr->ymax && y >= rptr->ymin
+	    ) {
+	    if (ye > rptr->ymax)
+		rptr->ymax = ye;
+	    return 0;
+	}
+    }
+    accum_alloc("accum", nr, x, y, xe, ye);
+    rptr = adev->list.tail->prev;
+    if (y >= rptr->ymax ||
+	(y == rptr->ymin && ye == rptr->ymax && x >= rptr->xmax)
+	) {
+	accum_add_last(nr);
+	return 0;
+    }
+    /* Work backwards till we find the insertion point. */
+    while (ye <= rptr->ymin)
+	rptr = rptr->prev;
+    ymin = rptr->ymin;
+    ymax = rptr->ymax;
+    if (ye > ymax) {
+	if (y >= ymax) {	/* Insert between two bands. */
+	    accum_add_after(nr, rptr);
+	    return 0;
+	}
+	/* Split off the top part of the new rectangle. */
+	accum_alloc("a.top", ar, x, ymax, xe, ye);
+	accum_add_after(ar, rptr);
+	ye = nr->ymax = ymax;
+	clip_rect_print('Q', " ymax", nr);
+    }
+    /* Here we know ymin < ye <= ymax; */
+    /* rptr points to the last node with this value of ymin/ymax. */
+    /* If necessary, split off the part of the existing band */
+    /* that is above the new band. */
+    if (ye < ymax) {
+	gx_clip_rect *rsplit = rptr;
+
+	while (rsplit->ymax == ymax) {
+	    accum_alloc("s.top", ar, rsplit->xmin, ye, rsplit->xmax, ymax);
+	    accum_add_after(ar, rptr);
+	    rsplit->ymax = ye;
+	    rsplit = rsplit->prev;
+	}
+	ymax = ye;
+    }
+    /* Now ye = ymax.  If necessary, split off the part of the */
+    /* existing band that is below the new band. */
+    if (y > ymin) {
+	gx_clip_rect *rbot = rptr, *rsplit;
+
+	while (rbot->prev->ymin == ymin)
+	    rbot = rbot->prev;
+	for (rsplit = rbot;;) {
+	    accum_alloc("s.bot", ar, rsplit->xmin, ymin, rsplit->xmax, y);
+	    accum_add_before(ar, rbot);
+	    rsplit->ymin = y;
+	    if (rsplit == rptr)
+		break;
+	    rsplit = rsplit->next;
+	}
+	ymin = y;
+    }
+    /* Now y <= ymin as well.  (y < ymin is possible.) */
+    nr->ymin = ymin;
+    /* Search for the X insertion point. */
+    for (; rptr->ymin == ymin; rptr = rptr->prev) {
+	if (xe < rptr->xmin)
+	    continue;		/* still too far to right */
+	if (x > rptr->xmax)
+	    break;		/* disjoint */
+	/* The new rectangle overlaps an existing one.  Merge them. */
+	if (xe > rptr->xmax) {
+	    rptr->xmax = nr->xmax;	/* might be > xe if */
+	    /* we already did a merge */
+	    clip_rect_print('Q', "widen", rptr);
+	}
+	accum_free("free", nr);
+	if (x >= rptr->xmin)
+	    goto out;
+	/* Might overlap other rectangles to the left. */
+	rptr->xmin = x;
+	nr = rptr;
+	accum_remove(rptr);
+	clip_rect_print('Q', "merge", nr);
+    }
+    accum_add_after(nr, rptr);
+  out:				/* Check whether there are only 0 or 1 rectangles left. */
+    if (adev->list.count <= 1) {	/* We're switching from a list to at most 1 rectangle. */
+	/* Free the head and tail entries. */
+	gs_memory_t *mem = adev->list_memory;
+	gx_clip_rect *single = adev->list.head->next;
+
+	if (single != adev->list.tail) {
+	    adev->list.single = *single;
+	    gs_free_object(mem, single, "accum_free_rect(single)");
+	    adev->list.single.next = adev->list.single.prev = 0;
+	}
+	gs_free_object(mem, adev->list.tail, "accum_free_rect(tail)");
+	gs_free_object(mem, adev->list.head, "accum_free_rect(head)");
+	adev->list.head = 0;
+	adev->list.tail = 0;
+    }
+    /* Check whether there is still more of the new band to process. */
+    if (y < ymin) {		/* Continue with the bottom part of the new rectangle. */
+	clip_rect_print('Q', " ymin", nr);
+	ye = ymin;
+	goto top;
+    }
+    return 0;
+}
diff --git a/pstoraster/gxalloc.h b/pstoraster/gxalloc.h
new file mode 100644
index 000000000..0a3e6c7c0
--- /dev/null
+++ b/pstoraster/gxalloc.h
@@ -0,0 +1,403 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmemory.h, gsstruct.h */
+
+#ifndef gxalloc_INCLUDED
+#  define gxalloc_INCLUDED
+
+#ifndef gs_ref_memory_DEFINED
+#  define gs_ref_memory_DEFINED
+typedef struct gs_ref_memory_s gs_ref_memory_t;
+
+#endif
+
+#include "gsalloc.h"
+#include "gxobj.h"
+
+/* ================ Chunks ================ */
+
+/*
+ * We obtain memory from the operating system in `chunks'.  A chunk
+ * may hold only a single large object (or string), or it may hold
+ * many objects (allocated from the bottom up, always aligned)
+ * and strings (allocated from the top down, not aligned).
+ */
+
+/*
+ * Refs are allocated in the bottom-up section, along with struct objects.
+ * In order to keep the overhead for refs small, we make consecutive
+ * blocks of refs into a single allocator object of type st_refs.
+ * To do this, we remember the start of the current ref object (if any),
+ * and the end of the last block of allocated refs.  As long as
+ * the latter is equal to the top of the allocated area, we can add
+ * more refs to the current object; otherwise, we have to start a new one.
+ * We assume that sizeof(ref) % obj_align_mod == 0; this means that if we
+ * ever have to pad a block of refs, we never add as much as one entire ref.
+ */
+
+/*
+ * When we do a save, we create a new 'inner' chunk out of the remaining
+ * space in the currently active chunk.  Inner chunks must not be freed
+ * by a restore.
+ *
+ * The garbage collector implements relocation for refs by scanning
+ * forward to a free object.  Because of this, every ref object must end
+ * with a dummy ref that can hold the relocation for the last block.
+ * In order to put a reasonable upper bound on the scanning time, we
+ * limit the length of the objects that contain runs of refs.
+ */
+#define max_size_st_refs (50 * sizeof(ref))
+
+/*
+ * Strings carry some additional overhead for use by the GC.
+ * At the top of the chunk is a table of relocation values for
+ * 16N-character blocks of strings, where N is sizeof(uint).
+ * This table is aligned, by adding padding above it if necessary.
+ * Just below it is a mark table for the strings.  This table is also aligned,
+ * to improve GC performance. The actual string data start below
+ * the mark table.  These tables are not needed for a chunk that holds
+ * a single large (non-string) object, but they are needed for all other
+ * chunks, including chunks created to hold a single large string.
+ */
+
+/*
+ * Define the unit of data manipulation for marking strings.
+ */
+typedef uint string_mark_unit;
+
+#define log2_sizeof_string_mark_unit arch_log2_sizeof_int
+/*
+ * Define the quantum of relocation for strings, which determines
+ * the quantum for reserving space.  This value must be a power of 2,
+ * must be at least sizeof(string_mark_unit) * 8, and (because of the
+ * unrolled loops in igcstr.c) currently must be equal to either 32 or 64.
+ */
+typedef uint string_reloc_offset;
+
+#define log2_string_data_quantum (arch_log2_sizeof_int + 4)
+#define string_data_quantum (1 << log2_string_data_quantum)
+/*
+ * Define the quantum for reserving string space, including data,
+ * marks, and relocation.
+ */
+#define string_space_quantum\
+  (string_data_quantum + (string_data_quantum / 8) +\
+   sizeof(string_reloc_offset))
+/*
+ * Compute the amount of space needed for a chunk that holds only
+ * a string of a given size.
+ */
+#define string_chunk_space(nbytes)\
+  (((nbytes) + (string_data_quantum - 1)) / string_data_quantum *\
+   string_space_quantum)
+/*
+ * Compute the number of string space quanta in a given amount of storage.
+ */
+#define string_space_quanta(spacebytes)\
+  ((spacebytes) / string_space_quantum)
+/*
+ * Compute the size of string marks for a given number of quanta.
+ */
+#define string_quanta_mark_size(nquanta)\
+  ((nquanta) * (string_data_quantum / 8))
+
+/*
+ * To allow the garbage collector to combine chunks, we store in the
+ * head of each chunk the address to which its contents will be moved.
+ */
+						/*typedef struct chunk_head_s chunk_head_t; *//* in gxobj.h */
+
+/* Structure for a chunk. */
+typedef struct chunk_s chunk_t;
+struct chunk_s {
+    chunk_head_t *chead;	/* chunk head, bottom of chunk; */
+    /* csbase is an alias for chead */
+#define csbase(cp) ((byte *)(cp)->chead)
+    /* Note that allocation takes place both from the bottom up */
+    /* (aligned objects) and from the top down (strings). */
+    byte *cbase;		/* bottom of chunk data area */
+    byte *cbot;			/* bottom of free area */
+    /* (top of aligned objects) */
+    obj_header_t *rcur;		/* current refs object, 0 if none */
+    byte *rtop;			/* top of rcur */
+    byte *ctop;			/* top of free area */
+    /* (bottom of strings) */
+    byte *climit;		/* top of strings */
+    byte *cend;			/* top of chunk */
+    chunk_t *cprev;		/* chain chunks together, */
+    chunk_t *cnext;		/*   sorted by address */
+    chunk_t *outer;		/* the chunk of which this is */
+    /*   an inner chunk, if any */
+    uint inner_count;		/* number of chunks of which this is */
+    /*   the outer chunk, if any */
+    bool has_refs;		/* true if any refs in chunk */
+    /*
+     * Free lists for single bytes in blocks of 1-3 bytes,
+     * one per 256 bytes in [csbase..climit).  The chain
+     * pointer is a (1-byte) self-relative offset,
+     * terminated by a 0; obviously, the chain is sorted by
+     * increasing address.  The free list pointers themselves
+     * are offsets relative to csbase.
+     *
+     * Note that these lists overlay the GC relocation table.
+     */
+    ushort *sfree1;
+    /*
+     * Free list for blocks of >= 4 bytes.  Each block begins
+     * with a 2-byte size and a 2-byte next block pointer,
+     * both big-endian.  This too is sorted in increasing address order.
+     */
+    ushort sfree;
+    /* The remaining members are for the GC. */
+    byte *odest;		/* destination for objects */
+    byte *smark;		/* mark bits for strings */
+    uint smark_size;
+    byte *sbase;		/* base for computing smark offsets */
+    string_reloc_offset *sreloc;	/* relocation for string blocks */
+    byte *sdest;		/* destination for (top of) strings */
+    byte *rescan_bot;		/* bottom of rescanning range if */
+    /* the GC mark stack overflows */
+    byte *rescan_top;		/* top of range ditto */
+};
+
+/* The chunk descriptor is exported only for isave.c. */
+extern_st(st_chunk);
+#define public_st_chunk()	/* in ialloc.c */\
+  gs_public_st_ptrs2(st_chunk, chunk_t, "chunk_t",\
+    chunk_enum_ptrs, chunk_reloc_ptrs, cprev, cnext)
+
+/*
+ * Macros for scanning a chunk linearly, with the following schema:
+ *      SCAN_CHUNK_OBJECTS(cp)                  << declares pre, size >>
+ *              << code for all objects -- size not set yet >>
+ *      DO_LARGE
+ *              << code for large objects >>
+ *      DO_SMALL
+ *              << code for small objects >>
+ *      END_OBJECTS_SCAN
+ * If large and small objects are treated alike, one can use DO_ALL instead
+ * of DO_LARGE and DO_SMALL.
+ */
+#define SCAN_CHUNK_OBJECTS(cp)\
+	{	obj_header_t *pre = (obj_header_t *)((cp)->cbase);\
+		obj_header_t *end = (obj_header_t *)((cp)->cbot);\
+		ulong size;		/* long because of large objects */\
+		for ( ; pre < end;\
+			pre = (obj_header_t *)((char *)pre + obj_size_round(size))\
+		    )\
+		{
+#define DO_LARGE\
+			if ( pre->o_large )\
+			{	size = pre_obj_large_size(pre);\
+				{
+#define DO_SMALL\
+				}\
+			} else\
+			{	size = pre_obj_small_size(pre);\
+				{
+#define DO_ALL\
+			{	size = pre_obj_contents_size(pre);\
+				{
+#ifdef DEBUG
+#  define END_OBJECTS_SCAN\
+				}\
+			}\
+		}\
+		if ( pre != end )\
+		{	lprintf2("Chunk parsing error, 0x%lx != 0x%lx\n",\
+				 (ulong)pre, (ulong)end);\
+			gs_exit(1);\
+		}\
+	}
+#else
+#  define END_OBJECTS_SCAN\
+				}\
+			}\
+		}\
+	}
+#endif
+
+/* Initialize a chunk. */
+/* This is exported for save/restore. */
+void alloc_init_chunk(P5(chunk_t *, byte *, byte *, bool, chunk_t *));
+
+/* Initialize the string freelists in a chunk. */
+void alloc_init_free_strings(P1(chunk_t *));
+
+/* Find the chunk for a pointer. */
+/* Note that ptr_is_within_chunk returns true even if the pointer */
+/* is in an inner chunk of the chunk being tested. */
+#define ptr_is_within_chunk(ptr, cp)\
+  ptr_between((const byte *)(ptr), (cp)->cbase, (cp)->cend)
+#define ptr_is_in_inner_chunk(ptr, cp)\
+  ((cp)->inner_count != 0 &&\
+   ptr_between((const byte *)(ptr), (cp)->cbot, (cp)->ctop))
+#define ptr_is_in_chunk(ptr, cp)\
+  (ptr_is_within_chunk(ptr, cp) && !ptr_is_in_inner_chunk(ptr, cp))
+typedef struct chunk_locator_s {
+    const gs_ref_memory_t *memory;	/* for head & tail of chain */
+    chunk_t *cp;		/* one-element cache */
+} chunk_locator_t;
+bool chunk_locate_ptr(P2(const void *, chunk_locator_t *));
+
+#define chunk_locate(ptr, clp)\
+  (((clp)->cp != 0 && ptr_is_in_chunk(ptr, (clp)->cp)) ||\
+   chunk_locate_ptr(ptr, clp))
+
+/* Close up the current chunk. */
+/* This is exported for save/restore and for the GC. */
+void alloc_close_chunk(P1(gs_ref_memory_t * mem));
+
+/* Reopen the current chunk after a GC. */
+void alloc_open_chunk(P1(gs_ref_memory_t * mem));
+
+/* Insert or remove a chunk in the address-ordered chain. */
+/* These are exported for the GC. */
+void alloc_link_chunk(P2(chunk_t *, gs_ref_memory_t *));
+void alloc_unlink_chunk(P2(chunk_t *, gs_ref_memory_t *));
+
+/* Free a chunk.  This is exported for save/restore and for the GC. */
+void alloc_free_chunk(P2(chunk_t *, gs_ref_memory_t *));
+
+/* Print a chunk debugging message. */
+/* Unfortunately, the ANSI C preprocessor doesn't allow us to */
+/* define the list of variables being printed as a macro. */
+#define dprintf_chunk_format\
+  "%s 0x%lx (0x%lx..0x%lx, 0x%lx..0x%lx..0x%lx)\n"
+#define dprintf_chunk(msg, cp)\
+  dprintf7(dprintf_chunk_format,\
+	   msg, (ulong)(cp), (ulong)(cp)->cbase, (ulong)(cp)->cbot,\
+	   (ulong)(cp)->ctop, (ulong)(cp)->climit, (ulong)(cp)->cend)
+#define if_debug_chunk(c, msg, cp)\
+  if_debug7(c, dprintf_chunk_format,\
+	    msg, (ulong)(cp), (ulong)(cp)->cbase, (ulong)(cp)->cbot,\
+	    (ulong)(cp)->ctop, (ulong)(cp)->climit, (ulong)(cp)->cend)
+
+/* ================ Allocator state ================ */
+
+/* Structures for save/restore (not defined here). */
+struct alloc_save_s;
+struct alloc_change_s;
+
+/* Stream structure, only needed for the streams member of the state. */
+#ifndef stream_DEFINED
+#  define stream_DEFINED
+typedef struct stream_s stream;
+
+#endif
+
+/* Define the number of freelists.  The index in the freelist array */
+/* is the ceiling of the size of the object contents (i.e., not including */
+/* the header) divided by obj_align_mod. */
+#define max_freelist_size 800	/* big enough for gstate & contents */
+#define num_freelists\
+  ((max_freelist_size + obj_align_mod - 1) / obj_align_mod + 1)
+
+/* Define the memory manager subclass for this allocator. */
+struct gs_ref_memory_s {
+    /* The following are set at initialization time. */
+    gs_memory_common;
+    gs_raw_memory_t *parent;	/* for allocating chunks */
+    uint chunk_size;
+    uint large_size;		/* min size to give large object */
+				/* its own chunk: must be */
+				/* 1 mod obj_align_mod */
+    gs_ref_memory_t *global;	/* global VM for this allocator */
+				/* (may point to itself) */
+    uint space;			/* a_local, a_global, a_system */
+    /* Callers can change the following dynamically */
+    /* (through a procedural interface). */
+    gs_memory_gc_status_t gc_status;
+    /* The following are updated dynamically. */
+    bool is_controlled;		/* if true, this allocator doesn't manage */
+				/* its own chunks */
+    ulong limit;		/* signal a VMerror when total */
+				/* allocated exceeds this */
+    chunk_t *cfirst;		/* head of chunk list */
+    chunk_t *clast;		/* tail of chunk list */
+    chunk_t cc;			/* current chunk */
+    chunk_t *pcc;		/* where to store cc */
+    chunk_locator_t cfreed;	/* chunk where last object freed */
+    ulong allocated;		/* total size of all chunks */
+				/* allocated at this save level */
+    long inherited;		/* chunks allocated at outer save */
+				/* levels that should be counted */
+				/* towards the GC threshold */
+				/* (may be negative, but allocated + */
+				/* inherited >= 0 always) */
+    ulong gc_allocated;		/* value of (allocated + */
+				/* previous_status.allocated) after last GC */
+    struct lost_ {		/* space freed and 'lost' */
+	ulong objects;
+	ulong refs;
+	ulong strings;
+    } lost;
+    /*
+     * The following are for the interpreter's convenience: the
+     * library initializes them to 0 and then never touches them.
+     */
+    stream *streams;
+    /* Garbage collector information */
+    gs_gc_root_t *roots;	/* roots for GC */
+    /* Sharing / saved state information */
+    int num_contexts;		/* # of contexts sharing this VM */
+    struct alloc_change_s *changes;
+    struct alloc_save_s *saved;
+    struct alloc_save_s *reloc_saved;	/* for GC */
+    gs_memory_status_t previous_status;		/* total allocated & used */
+				/* in outer save levels */
+				/* We put the freelists last to keep the */
+                                /* scalar offsets small. */
+    obj_header_t *freelists[num_freelists];
+};
+
+/* The descriptor for gs_ref_memory_t is exported only for */
+/* the alloc_save_t subclass; otherwise, it should be private. */
+extern_st(st_ref_memory);
+#define public_st_ref_memory()	/* in gsalloc.c */\
+  gs_public_st_composite(st_ref_memory, gs_ref_memory_t,\
+    "gs_ref_memory", ref_memory_enum_ptrs, ref_memory_reloc_ptrs)
+#define st_ref_memory_max_ptrs 3	/* streams, changes, saved */
+
+/* Define the procedures for the standard allocator. */
+/* We export this for subclasses. */
+extern const gs_memory_procs_t gs_ref_memory_procs;
+
+/*
+ * Scan the chunks of an allocator:
+ *      SCAN_MEM_CHUNKS(mem, cp)
+ *              << code to process chunk cp >>
+ *      END_CHUNKS_SCAN
+ */
+#define SCAN_MEM_CHUNKS(mem, cp)\
+	{	chunk_t *cp = (mem)->cfirst;\
+		for ( ; cp != 0; cp = cp->cnext )\
+		{
+#define END_CHUNKS_SCAN\
+		}\
+	}
+
+#endif /* gxalloc_INCLUDED */
diff --git a/pstoraster/gxalpha.h b/pstoraster/gxalpha.h
new file mode 100644
index 000000000..c5d444e31
--- /dev/null
+++ b/pstoraster/gxalpha.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal machinery for alpha channel support */
+
+#ifndef gxalpha_INCLUDED
+#  define gxalpha_INCLUDED
+
+/*
+ * As discussed in the classic Porter & Duff paper on compositing,
+ * supporting alpha channel properly involves premultiplying color values
+ * that are associated with non-unity alpha values.  After considerable
+ * thrashing around trying to read between the lines of the spotty NeXT
+ * documentation, we've concluded that the correct approach is to
+ * premultiply towards whatever the color value 0 represents in the device's
+ * native color space: black for DeviceGray and DeviceRGB (displays and some
+ * file formats), white for DeviceCMYK (color printers), with a special hack
+ * for monochrome printers TBD.  This makes things very easy internally, at
+ * the expense of some inconsistency at the boundaries.
+ *
+ * For the record, the only places apparently affected by this decision
+ * are the following:
+ *      - alphaimage, if it doesn't assume premultiplication (see below)
+ *      - readimage
+ *      - The cmap_rgb_alpha_ procedures in gxcmap.c
+ *      - [color]image, if they are supposed to use currentalpha (see below)
+ *      - The compositing code in gsalphac.c
+ *
+ * The NeXT documentation also is very unclear as to how readimage,
+ * alphaimage, and [color]image are supposed to work.  Our current
+ * interpretation is the following:
+ *
+ *      - readimage reads pixels exactly as the device stores them
+ *      (converted into DeviceGray or DeviceRGB space if the device
+ *      uses a palette).  Pixels with non-unity alpha come out
+ *      premultiplied, however the device stores them.
+ *
+ *      - alphaimage assumes the pixels are premultiplied as appropriate
+ *      for the relevant color space.  This makes alphaimage and
+ *      readimage complementary, i.e., the output of readimage is
+ *      suitable as the input of alphaimage.
+ *
+ *      - [color]image disregard currentalpha, and treat all input as
+ * opaque (alpha = 1).  */
+/*
+ * Just in case we ever change our minds about the direction of
+ * premultiplication, uncommenting the following preprocessor definition is
+ * supposed to produce premultiplication towards white.
+ */
+/*#define PREMULTIPLY_TOWARDS_WHITE */
+
+#endif /* gxalpha_INCLUDED */
diff --git a/pstoraster/gxarith.h b/pstoraster/gxarith.h
new file mode 100644
index 000000000..69a6eace6
--- /dev/null
+++ b/pstoraster/gxarith.h
@@ -0,0 +1,84 @@
+/* Copyright (C) 1990, 1993, 1994, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#ifndef gxarith_INCLUDED
+#  define gxarith_INCLUDED
+
+/*$Id$ */
+/* Arithmetic macros for Ghostscript library */
+
+/* Define an in-line abs function, good for any signed numeric type. */
+#define any_abs(x) ((x) < 0 ? -(x) : (x))
+
+/* Compute M modulo N.  Requires N > 0; guarantees 0 <= imod(M,N) < N, */
+/* regardless of the whims of the % operator for negative operands. */
+int imod(P2(int m, int n));
+
+/* Compute the GCD of two integers. */
+int igcd(P2(int x, int y));
+
+/* Test whether an integral value fits in a given number of bits. */
+/* This works for all integral types. */
+#define fits_in_bits(i, n)\
+  (sizeof(i) <= sizeof(int) ? fits_in_ubits((i) + (1 << ((n) - 1)), (n) + 1) :\
+   fits_in_ubits((i) + (1L << ((n) - 1)), (n) + 1))
+#define fits_in_ubits(i, n) (((i) >> (n)) == 0)
+
+/*
+ * There are some floating point operations that can be implemented
+ * very efficiently on machines that have no floating point hardware,
+ * assuming IEEE representation and no range overflows.
+ * We define straightforward versions of them here, and alternate versions
+ * for no-floating-point machines in gxfarith.h.
+ */
+/* Test floating point values against constants. */
+#define is_fzero(f) ((f) == 0.0)
+#define is_fzero2(f1,f2) ((f1) == 0.0 && (f2) == 0.0)
+#define is_fneg(f) ((f) < 0.0)
+#define is_fge1(f) ((f) >= 1.0)
+/* Test whether a floating point value fits in a given number of bits. */
+#define f_fits_in_bits(f, n)\
+  ((f) >= -2.0 * (1L << ((n) - 2)) && (f) < 2.0 * (1L << ((n) - 2)))
+#define f_fits_in_ubits(f, n)\
+  ((f) >= 0 && (f) < 4.0 * (1L << ((n) - 2)))
+
+/*
+ * Define a macro for computing log2(n), where n=1,2,4,...,128.
+ * Because some compilers limit the total size of a statement,
+ * this macro must only mention n once.  The macro should really
+ * only be used with compile-time constant arguments, but it will work
+ * even if n is an expression computed at run-time.
+ */
+#define small_exact_log2(n)\
+ ((uint)(05637042010L >> ((((n) % 11) - 1) * 3)) & 7)
+
+/*
+ * The following doesn't give rise to a macro, but is used in several
+ * places in Ghostscript.  We observe that if M = 2^n-1 and V < M^2,
+ * then the quotient Q and remainder R can be computed as:
+ *              Q = V / M = (V + (V >> n) + 1) >> n;
+ *              R = V % M = (V + (V / M)) & M = V - (Q << n) + Q.
+ */
+
+#endif /* gxarith_INCLUDED */
diff --git a/pstoraster/gxband.h b/pstoraster/gxband.h
new file mode 100644
index 000000000..3fc9c7322
--- /dev/null
+++ b/pstoraster/gxband.h
@@ -0,0 +1,70 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Band-processing parameters for Ghostscript */
+
+#ifndef gxband_INCLUDED
+#  define gxband_INCLUDED
+
+#include "gxclio.h"
+
+/*
+ * Define the parameters controlling banding.
+ */
+typedef struct gx_band_params_s {
+    int BandWidth;		/* (optional) band width in pixels */
+    int BandHeight;		/* (optional) */
+    long BandBufferSpace;	/* (optional) */
+} gx_band_params;
+
+#define band_params_initial_values 0, 0, 0
+
+/*
+ * Define the information for a saved page.
+ */
+typedef struct gx_band_page_info_s {
+    char cfname[gp_file_name_sizeof];	/* command file name */
+    clist_file_ptr cfile;	/* command file, normally 0 */
+    char bfname[gp_file_name_sizeof];	/* block file name */
+    clist_file_ptr bfile;	/* block file, normally 0 */
+    uint tile_cache_size;	/* size of tile cache */
+    long bfile_end_pos;		/* ftell at end of bfile */
+    gx_band_params band_params;	/* parameters used when writing band list */
+				/* (actual values, no 0s) */
+} gx_band_page_info;
+
+/*
+ * By convention, the structure member containing the above is called
+ * page_info.  Define shorthand accessors for its members.
+ */
+#define page_cfile page_info.cfile
+#define page_cfname page_info.cfname
+#define page_bfile page_info.bfile
+#define page_bfname page_info.bfname
+#define page_tile_cache_size page_info.tile_cache_size
+#define page_bfile_end_pos page_info.bfile_end_pos
+#define page_band_height page_info.band_params.BandHeight
+
+#endif /* ndef gxband_INCLUDED */
diff --git a/pstoraster/gxbcache.c b/pstoraster/gxbcache.c
new file mode 100644
index 000000000..851548348
--- /dev/null
+++ b/pstoraster/gxbcache.c
@@ -0,0 +1,153 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Bitmap cache implementation */
+#include "memory_.h"
+#include "gx.h"
+#include "gsmdebug.h"
+#include "gxbcache.h"
+
+/* ------ Entire cache ------ */
+
+/* Initialize a cache.  The caller must allocate and initialize */
+/* the first chunk. */
+void
+gx_bits_cache_init(gx_bits_cache * bc, gx_bits_cache_chunk * bck)
+{
+    bck->next = bck;
+    bc->chunks = bck;
+    bc->cnext = 0;
+    bc->bsize = 0;
+    bc->csize = 0;
+}
+
+/* ------ Chunks ------ */
+
+/* Initialize a chunk.  The caller must allocate it and its data. */
+void
+gx_bits_cache_chunk_init(gx_bits_cache_chunk * bck, byte * data, uint size)
+{
+    bck->next = 0;
+    bck->data = data;
+    bck->size = size;
+    bck->allocated = 0;
+    if (data != 0) {
+	gx_cached_bits_head *cbh = (gx_cached_bits_head *) data;
+
+	cbh->size = size;
+	cb_head_set_free(cbh);
+    }
+}
+
+/* ------ Individual entries ------ */
+
+/* Attempt to allocate an entry.  If successful, set *pcbh and return 0. */
+/* If there isn't enough room, set *pcbh to an entry requiring freeing, */
+/* or to 0 if we are at the end of the chunk, and return -1. */
+int
+gx_bits_cache_alloc(gx_bits_cache * bc, ulong lsize, gx_cached_bits_head ** pcbh)
+{
+#define ssize ((uint)lsize)
+    ulong lsize1 = lsize + sizeof(gx_cached_bits_head);
+
+#define ssize1 ((uint)lsize1)
+    uint cnext = bc->cnext;
+    gx_bits_cache_chunk *bck = bc->chunks;
+    uint left = bck->size - cnext;
+    gx_cached_bits_head *cbh;
+    gx_cached_bits_head *cbh_next;
+    uint fsize = 0;
+
+    if (lsize1 > bck->size - cnext && lsize != left) {	/* Not enough room to allocate in this chunk. */
+	*pcbh = 0;
+	return -1;
+    }
+    /* Look for and/or free enough space. */
+    cbh = cbh_next = (gx_cached_bits_head *) (bck->data + cnext);
+    while (fsize < ssize1 && fsize != ssize) {
+	if (!cb_head_is_free(cbh_next)) {	/* Ask the caller to free the entry. */
+	    if (fsize)
+		cbh->size = fsize;
+	    *pcbh = cbh_next;
+	    return -1;
+	}
+	fsize += cbh_next->size;
+	if_debug2('K', "[K]merging free bits 0x%lx(%u)\n",
+		  (ulong) cbh_next, cbh_next->size);
+	cbh_next = (gx_cached_bits_head *) ((byte *) cbh + fsize);
+    }
+    if (fsize > ssize) {	/* fsize >= ssize1 */
+	cbh_next = (gx_cached_bits_head *) ((byte *) cbh + ssize);
+	cbh_next->size = fsize - ssize;
+	cb_head_set_free(cbh_next);
+	if_debug2('K', "[K]shortening bits 0x%lx by %u (initial)\n",
+		  (ulong) cbh, fsize - ssize);
+    }
+    gs_alloc_fill(cbh, gs_alloc_fill_block, ssize);
+    cbh->size = ssize;
+    bc->bsize += ssize;
+    bc->csize++;
+    bc->cnext += ssize;
+    bck->allocated += ssize;
+    *pcbh = cbh;
+    return 0;
+#undef ssize
+#undef ssize1
+}
+
+/* Shorten an entry by a given amount. */
+void
+gx_bits_cache_shorten(gx_bits_cache * bc, gx_cached_bits_head * cbh,
+		      uint diff, gx_bits_cache_chunk * bck)
+{
+    gx_cached_bits_head *next;
+
+    if ((byte *) cbh + cbh->size == bck->data + bc->cnext &&
+	bck == bc->chunks
+	)
+	bc->cnext -= diff;
+    bc->bsize -= diff;
+    bck->allocated -= diff;
+    cbh->size -= diff;
+    next = (gx_cached_bits_head *) ((byte *) cbh + cbh->size);
+    cb_head_set_free(next);
+    next->size = diff;
+}
+
+/* Free an entry.  The caller is responsible for removing the entry */
+/* from any other structures (like a hash table). */
+void
+gx_bits_cache_free(gx_bits_cache * bc, gx_cached_bits_head * cbh,
+		   gx_bits_cache_chunk * bck)
+{
+    uint size = cbh->size;
+
+    bc->csize--;
+    bc->bsize -= size;
+    bck->allocated -= size;
+    gs_alloc_fill(cbh, gs_alloc_fill_deleted, size);
+    cbh->size = size;		/* gs_alloc_fill may have overwritten */
+    cb_head_set_free(cbh);
+}
diff --git a/pstoraster/gxbcache.h b/pstoraster/gxbcache.h
new file mode 100644
index 000000000..bbaea0c73
--- /dev/null
+++ b/pstoraster/gxbcache.h
@@ -0,0 +1,130 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Bitmap cache structures */
+
+#ifndef gxbcache_INCLUDED
+#  define gxbcache_INCLUDED
+
+#include "gxbitmap.h"
+
+/*
+ * These structures are superclasses for a cache in which the 'value' is
+ * a bitmap.  The structures defined here don't take any position about
+ * the nature of the 'key'.
+ */
+
+/* ---------------- Bitmap cache entry ---------------- */
+
+/*
+ * The cache may contain both used and free blocks.
+ * All blocks have a common header; free blocks have ONLY the header.
+ */
+typedef struct gx_cached_bits_head_s {
+    uint size;			/* total block size in bytes */
+    uint depth;			/* bits per pixel, free block if 0 */
+} gx_cached_bits_head;
+
+#define cb_head_is_free(cbh) ((cbh)->depth == 0)
+#define cb_head_set_free(cbh) ((cbh)->depth = 0)
+#define gx_cached_bits_common\
+	gx_cached_bits_head head;	/* must be first */\
+		/* The rest of the entry is an abbreviation of */\
+		/* gx_strip_bitmap, sans data. */\
+	ushort width, height, shift;\
+	ushort raster;\
+	gx_bitmap_id id
+/* Define aliases for head members. */
+#define cb_depth head.depth
+/* Define aliases for common members formerly in the head. */
+#define cb_raster raster
+typedef struct gx_cached_bits_s {
+    gx_cached_bits_common;
+} gx_cached_bits;
+
+#define cb_is_free(cb) cb_head_is_free(&(cb)->head)
+/*
+ * Define the alignment of the gx_cached_bits structure.  We must ensure
+ * that an immediately following bitmap will be properly aligned.
+ */
+#define align_cached_bits_mod\
+  (max(align_bitmap_mod, max(arch_align_ptr_mod, arch_align_long_mod)))
+
+/*
+ * We may allocate a bitmap cache in chunks, so as not to tie up memory
+ * prematurely if it isn't needed (or something else needs it more).
+ * Thus there is a structure for managing an entire cache, and another
+ * structure for managing each chunk.
+ */
+typedef struct gx_bits_cache_chunk_s gx_bits_cache_chunk;
+struct gx_bits_cache_chunk_s {
+    gx_bits_cache_chunk *next;
+    byte *data;			/* gx_cached_bits_head * */
+    uint size;
+    uint allocated;		/* amount of allocated data */
+};
+
+/* ---------------- Bitmap cache ---------------- */
+
+#define gx_bits_cache_common\
+	gx_bits_cache_chunk *chunks;	/* current chunk in circular list */\
+	uint cnext;			/* rover for allocating entries */\
+					/* in current chunk */\
+	uint bsize;			/* total # of bytes for all entries */\
+	uint csize		/* # of entries */
+typedef struct gx_bits_cache_s {
+    gx_bits_cache_common;
+} gx_bits_cache;
+
+/* ---------------- Procedural interface ---------------- */
+
+/* ------ Entire cache ------ */
+
+/* Initialize a cache.  The caller must allocate and initialize */
+/* the first chunk. */
+void gx_bits_cache_init(P2(gx_bits_cache *, gx_bits_cache_chunk *));
+
+/* ------ Chunks ------ */
+
+/* Initialize a chunk.  The caller must allocate it and its data. */
+void gx_bits_cache_chunk_init(P3(gx_bits_cache_chunk *, byte *, uint));
+
+/* ------ Individual entries ------ */
+
+/* Attempt to allocate an entry.  If successful, set *pcbh and return 0. */
+/* If there isn't enough room, set *pcbh to an entry requiring freeing, */
+/* or to 0 if we are at the end of the chunk, and return -1. */
+int gx_bits_cache_alloc(P3(gx_bits_cache *, ulong, gx_cached_bits_head **));
+
+/* Shorten an entry by a given amount. */
+void gx_bits_cache_shorten(P4(gx_bits_cache *, gx_cached_bits_head *,
+			      uint, gx_bits_cache_chunk *));
+
+/* Free an entry.  The caller is responsible for removing the entry */
+/* from any other structures (like a hash table). */
+void gx_bits_cache_free(P3(gx_bits_cache *, gx_cached_bits_head *,
+			   gx_bits_cache_chunk *));
+
+#endif /* gxbcache_INCLUDED */
diff --git a/pstoraster/gxbitfmt.h b/pstoraster/gxbitfmt.h
new file mode 100644
index 000000000..7c6039b6e
--- /dev/null
+++ b/pstoraster/gxbitfmt.h
@@ -0,0 +1,195 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for bitmap storage formats */
+
+#ifndef gxbitfmt_INCLUDED
+#  define gxbitfmt_INCLUDED
+
+/*
+ * Several operations, such as the get_bits_rectangle driver procedure, can
+ * take and/or produce data in a flexible variety of formats; the ability to
+ * describe how bitmap data is stored is useful in other contexts as well.
+ * We define bitmap storage formats using a bit mask: this allows a
+ * procedure to ask for, or offer to provide, data in more than one format.
+ */
+
+typedef ulong gx_bitmap_format_t;
+
+    /*
+     * Define the supported color space alternatives.
+     */
+
+#define GB_COLORS_NATIVE (1L<<0)  /* native representation (DevicePixel) */
+#define GB_COLORS_GRAY   (1L<<1)  /* DeviceGray */
+#define GB_COLORS_RGB    (1L<<2)  /* DeviceRGB */
+#define GB_COLORS_CMYK   (1L<<3)  /* DeviceCMYK */
+
+#define GB_COLORS_STANDARD_ALL\
+  (GB_COLORS_GRAY | GB_COLORS_RGB | GB_COLORS_CMYK)
+#define GB_COLORS_ALL\
+  (GB_COLORS_NATIVE | GB_COLORS_STANDARD_ALL)
+#define gb_colors_for_device(dev)\
+  ((dev)->color_info.num_components == 4 ? GB_COLORS_CMYK :\
+   (dev)->color_info.num_components == 3 ? GB_COLORS_RGB : GB_COLORS_GRAY)
+#define GB_COLORS_NAMES\
+  "colors_native", "colors_Gray", "colors_RGB", "colors_CMYK"
+
+    /*
+     * Define whether alpha information is included.  For GB_COLORS_NATIVE,
+     * all values other than GB_ALPHA_NONE are equivalent.
+     */
+
+#define GB_ALPHA_NONE  (1L<<4)  /* no alpha */
+#define GB_ALPHA_FIRST (1L<<5)  /* include alpha as first component */
+#define GB_ALPHA_LAST  (1L<<6)  /* include alpha as last component */
+  /*unused*/           /*(1L<<7)*/
+
+#define GB_ALPHA_ALL\
+  (GB_ALPHA_NONE | GB_ALPHA_FIRST | GB_ALPHA_LAST)
+#define GB_ALPHA_NAMES\
+  "alpha_none", "alpha_first", "alpha_last", "?alpha_unused?"
+
+    /*
+     * Define the supported depths per component for GB_COLORS_STANDARD.
+     */
+
+#define GB_DEPTH_1  (1L<<8)
+#define GB_DEPTH_2  (1L<<9)
+#define GB_DEPTH_4  (1L<<10)
+#define GB_DEPTH_8  (1L<<11)
+#define GB_DEPTH_12 (1L<<12)
+#define GB_DEPTH_16 (1L<<13)
+  /*unused1*/       /*(1L<<14)*/
+  /*unused2*/       /*(1L<<15)*/
+
+#define GB_DEPTH_ALL\
+  (GB_DEPTH_1 | GB_DEPTH_2 | GB_DEPTH_4 | GB_DEPTH_8 |\
+   GB_DEPTH_12 | GB_DEPTH_16)
+#define GB_DEPTH_NAMES\
+  "depth_1", "depth_2", "depth_4", "depth_8",\
+  "depth_12", "depth_16", "?depth_unused1?", "?depth_unused2?"
+
+/* Find the maximum depth of an options mask. */
+#define GB_OPTIONS_MAX_DEPTH(opt)\
+"\
+\000\001\002\002\004\004\004\004\010\010\010\010\010\010\010\010\
+\014\014\014\014\014\014\014\014\014\014\014\014\014\014\014\014\
+\020\020\020\020\020\020\020\020\020\020\020\020\020\020\020\020\
+\020\020\020\020\020\020\020\020\020\020\020\020\020\020\020\020\
+"[((opt) >> 8) & 0x3f]
+/* Find the depth of an options mask with exactly 1 bit set. */
+#define GB_OPTIONS_DEPTH(opt)\
+  ((((opt) >> 8) & 0xf) |\
+   "\000\000\014\020"[((opt) >> 12) & 3])
+
+    /*
+     * Define the supported packing formats.  Currently, GB_PACKING_PLANAR is
+     * only partially supported, and GB_PACKING_BIT_PLANAR is hardly supported
+     * at all.
+     */
+
+#define GB_PACKING_CHUNKY     (1L<<16)
+#define GB_PACKING_PLANAR     (1L<<17)  /* 1 plane per component */
+#define GB_PACKING_BIT_PLANAR (1L<<18)  /* 1 plane per bit */
+  /*unused*/                  /*(1L<<19)*/
+
+#define GB_PACKING_ALL\
+  (GB_PACKING_CHUNKY | GB_PACKING_PLANAR | GB_PACKING_BIT_PLANAR)
+#define GB_PACKING_NAMES\
+  "packing_chunky", "packing_planar", "packing_bit_planar", "?packing_unused?"
+
+    /*
+     * Define the possible methods of returning data.
+     */
+
+#define GB_RETURN_COPY    (1L<<20)  /* copy to client's buffer */
+#define GB_RETURN_POINTER (1L<<21)  /* return pointers to data */
+
+#define GB_RETURN_ALL\
+  (GB_RETURN_COPY | GB_RETURN_POINTER)
+#define GB_RETURN_NAMES\
+  "return_copy", "return_pointer"
+
+    /*
+     * Define the allowable alignments.  This is only relevant for
+     * GB_RETURN_POINTER: for GB_RETURN_COPY, any alignment is acceptable.
+     */
+
+#define GB_ALIGN_STANDARD (1L<<22)  /* require standard bitmap alignment */
+#define GB_ALIGN_ANY      (1L<<23)  /* any alignment is acceptable */
+
+#define GB_ALIGN_ALL\
+  (GB_ALIGN_ANY | GB_ALIGN_STANDARD)
+#define GB_ALIGN_NAMES\
+  "align_any", "align_standard"
+
+    /*
+     * Define the allowable X offsets.  GB_OFFSET_ANY is only relevant for
+     * GB_RETURN_POINTER: for GB_RETURN_COPY, clients must specify the
+     * offset so they know how much space to allocate.
+     */
+
+#define GB_OFFSET_0         (1L<<24)  /* no offsetting */
+#define GB_OFFSET_SPECIFIED (1L<<25)  /* client-specified offset */
+#define GB_OFFSET_ANY       (1L<<26)  /* any offset is acceptable */
+					/* (for GB_RETURN_POINTER only) */
+  /*unused*/                /*(1L<<27)*/
+
+#define GB_OFFSET_ALL\
+  (GB_OFFSET_0 | GB_OFFSET_SPECIFIED | GB_OFFSET_ANY)
+#define GB_OFFSET_NAMES\
+  "offset_0", "offset_specified", "offset_any", "?offset_unused?"
+
+    /*
+     * Define the allowable rasters.  GB_RASTER_ANY is only relevant for
+     * GB_RETURN_POINTER, for the same reason as GB_OFFSET_ANY.
+     * Note also that if GB_ALIGN_STANDARD and GB_RASTER_SPECIFIED are
+     * both chosen and more than one scan line is being transferred,
+     * the raster value must also be aligned (i.e., 0 mod align_bitmap_mod).
+     * Implementors are not required to check this.
+     */
+
+    /*
+     * Standard raster is bitmap_raster(dev->width) for return_ptr,
+     * bitmap_raster(x_offset + width) for return_copy,
+     * padding per alignment.
+     */
+#define GB_RASTER_STANDARD  (1L<<28)
+#define GB_RASTER_SPECIFIED (1L<<29)  /* any client-specified raster */
+#define GB_RASTER_ANY       (1L<<30)  /* any raster is acceptable (for */
+					/* GB_RETURN_POINTER only) */
+
+#define GB_RASTER_ALL\
+  (GB_RASTER_STANDARD | GB_RASTER_SPECIFIED | GB_RASTER_ANY)
+#define GB_RASTER_NAMES\
+  "raster_standard", "raster_specified", "raster_any"
+
+/* Define names for debugging printout. */
+#define GX_BITMAP_FORMAT_NAMES\
+  GB_COLORS_NAMES, GB_ALPHA_NAMES, GB_DEPTH_NAMES, GB_PACKING_NAMES,\
+  GB_RETURN_NAMES, GB_ALIGN_NAMES, GB_OFFSET_NAMES, GB_RASTER_NAMES
+
+#endif /* gxbitfmt_INCLUDED */
diff --git a/pstoraster/gxbitmap.h b/pstoraster/gxbitmap.h
new file mode 100644
index 000000000..20802e9b4
--- /dev/null
+++ b/pstoraster/gxbitmap.h
@@ -0,0 +1,133 @@
+/* Copyright (C) 1989, 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for stored bitmaps for Ghostscript */
+
+#ifndef gxbitmap_INCLUDED
+#  define gxbitmap_INCLUDED
+
+#include "gstypes.h"		/* for gs_id */
+#include "gsbitmap.h"
+
+/* Define the gx version of a bitmap identifier. */
+typedef gs_bitmap_id gx_bitmap_id;
+
+/* Define the gx version of the "no identifier" value. */
+#define gx_no_bitmap_id gs_no_bitmap_id
+
+/*
+ * For gx_bitmap data, each scan line must start on a `word' (long)
+ * boundary, and hence is padded to a word boundary, although this should
+ * rarely be of concern, since the raster and width are specified
+ * individually.
+ */
+/* We assume arch_align_long_mod is 1-4 or 8. */
+#if arch_align_long_mod <= 4
+#  define log2_align_bitmap_mod 2
+#else
+#if arch_align_long_mod == 8
+#  define log2_align_bitmap_mod 3
+#endif
+#endif
+#define align_bitmap_mod (1 << log2_align_bitmap_mod)
+#define bitmap_raster(width_bits)\
+  ((uint)(((width_bits + (align_bitmap_mod * 8 - 1))\
+    >> (log2_align_bitmap_mod + 3)) << log2_align_bitmap_mod))
+
+/*
+ * Define the gx analogue of the basic bitmap structure.  Note that since
+ * all scan lines must be aligned, the requirement on raster is:
+ *      If size.y > 1,
+ *          raster >= bitmap_raster(size.x * depth)
+ *          raster % align_bitmap_mod = 0
+ */
+#define gx_bitmap_common gs_bitmap_common
+typedef struct gx_bitmap_s {
+    gx_bitmap_common;
+} gx_bitmap;
+
+/*
+ * Define the gx analogue of the tile bitmap structure.  Note that if
+ * shift != 0 (for strip bitmaps, see below), size.y and rep_height
+ * mean something slightly different: see below for details.
+ */
+#define gx_tile_bitmap_common gs_tile_bitmap_common
+typedef struct gx_tile_bitmap_s {
+    gx_tile_bitmap_common;
+} gx_tile_bitmap;
+
+/*
+ * For halftones at arbitrary angles, we provide for storing the halftone
+ * data as a strip that must be shifted in X for different values of Y.  For
+ * an ordinary (non-shifted) halftone that has a repetition width of W and a
+ * repetition height of H, the pixel at coordinate (X,Y) corresponds to
+ * halftone pixel (X mod W, Y mod H), ignoring phase; for a strip halftone
+ * with strip shift S and strip height H, the pixel at (X,Y) corresponds to
+ * halftone pixel ((X + S * floor(Y/H)) mod W, Y mod H).  In other words,
+ * each Y increment of H shifts the strip left by S pixels.
+ *
+ * As for non-shifted tiles, a strip bitmap may include multiple copies
+ * in X or Y to reduce loop overhead.  In this case, we must distinguish:
+ *      - The height of an individual strip, which is the same as
+ *      the height of the bitmap being replicated (rep_height, H);
+ *      - The height of the entire bitmap (size.y).
+ * Similarly, we must distinguish:
+ *      - The shift per strip (rep_shift, S);
+ *      - The shift for the entire bitmap (shift).
+ * Note that shift = (rep_shift * size.y / rep_height) mod rep_width,
+ * so the shift member of the structure is only an accelerator.  It is,
+ * however, an important one, since it indicates whether the overall
+ * bitmap requires shifting or not.
+ *
+ * Note that for shifted tiles, size.y is the size of the stored bitmap
+ * (1 or more strips), and NOT the height of the actual tile.  The latter
+ * is not stored in the structure at all: it can be computed as H * W /
+ * gcd(S, W).
+ *
+ * If the bitmap consists of a multiple of W / gcd(S, W) copies in Y, the
+ * effective shift is zero, reducing it to a tile.  For simplicity, we
+ * require that if shift is non-zero, the bitmap height be less than H * W /
+ * gcd(S, W).  I.e., we don't allow strip bitmaps that are large enough to
+ * include a complete tile but that don't include an integral number of
+ * tiles.  Requirements:
+ *      rep_shift < rep_width
+ *      shift = (rep_shift * (size.y / rep_height)) % rep_width
+ */
+#define gx_strip_bitmap_common\
+	gx_tile_bitmap_common;\
+	ushort rep_shift;\
+	ushort shift
+typedef struct gx_strip_bitmap_s {
+    gx_strip_bitmap_common;
+} gx_strip_bitmap;
+
+extern_st(st_gx_strip_bitmap);
+#define public_st_gx_strip_bitmap()	/* in gspcolor.c */\
+  gs_public_st_suffix_add0_local(st_gx_strip_bitmap, gx_strip_bitmap,\
+    "gx_strip_bitmap", bitmap_enum_ptrs, bitmap_reloc_ptrs,\
+    st_gs_tile_bitmap)
+#define st_gx_strip_bitmap_max_ptrs 1
+
+#endif /* gxbitmap_INCLUDED */
diff --git a/pstoraster/gxbitops.h b/pstoraster/gxbitops.h
new file mode 100644
index 000000000..6b8b13d86
--- /dev/null
+++ b/pstoraster/gxbitops.h
@@ -0,0 +1,142 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for bitmap operations */
+
+#ifndef gxbitops_INCLUDED
+#  define gxbitops_INCLUDED
+
+#include "gsbitops.h"
+
+/*
+ * Macros for processing bitmaps in the largest possible chunks.
+ * Bits within a byte are always stored big-endian;
+ * bytes are likewise stored in left-to-right order, i.e., big-endian.
+ * Note that this is the format used for the source of copy_mono.
+ * It used to be the case that bytes were stored in the natural
+ * platform order, and the client had force them into big-endian order
+ * by calling gdev_mem_ensure_byte_order, but this no longer necessary.
+ *
+ * Note that we use type uint for register variables holding a chunk:
+ * for this reason, the chunk size cannot be larger than uint.
+ */
+/* Generic macros for chunk accessing. */
+#define cbytes(ct) size_of(ct)	/* sizeof may be unsigned */
+#  define chunk_bytes cbytes(chunk)
+/* The clog2_bytes macro assumes that ints are 2, 4, or 8 bytes in size. */
+#define clog2_bytes(ct) (size_of(ct) == 8 ? 3 : size_of(ct)>>1)
+#  define chunk_log2_bytes clog2_bytes(chunk)
+#define cbits(ct) (size_of(ct)*8)	/* sizeof may be unsigned */
+#  define chunk_bits cbits(chunk)
+#define clog2_bits(ct) (clog2_bytes(ct)+3)
+#  define chunk_log2_bits clog2_bits(chunk)
+#define cbit_mask(ct) (cbits(ct)-1)
+#  define chunk_bit_mask cbit_mask(chunk)
+#define calign_bytes(ct)\
+  (sizeof(ct) == 1 ? 1:\
+   sizeof(ct) == sizeof(short) ? arch_align_short_mod :\
+   sizeof(ct) == sizeof(int) ? arch_align_int_mod : arch_align_long_mod)
+#  define chunk_align_bytes calign_bytes(chunk)
+#define calign_bit_mask(ct) (calign_bytes(ct)*8-1)
+#  define chunk_align_bit_mask calign_bit_mask(chunk)
+/*
+ * The obvious definition for cmask is:
+ *      #define cmask(ct) ((ct)~(ct)0)
+ * but this doesn't work on the VAX/VMS compiler, which fails to truncate
+ * the value to 16 bits when ct is ushort.
+ * Instead, we have to generate the mask with no extra 1-bits.
+ * We can't do this in the obvious way:
+ *      #define cmask(ct) ((1 << (size_of(ct) * 8)) - 1)
+ * because some compilers won't allow a shift of the full type size.
+ * Instead, we have to do something really awkward:
+ */
+#define cmask(ct) ((ct) (((((ct)1 << (size_of(ct)*8-2)) - 1) << 2) + 3))
+#  define chunk_all_bits cmask(chunk)
+/*
+ * The obvious definition for chi_bits is:
+ *      #define chi_bits(ct,n) (cmask(ct)-(cmask(ct)>>(n)))
+ * but this doesn't work on the DEC/MIPS compilers.
+ * Instead, we have to restrict chi_bits to only working for values of n
+ * between 0 and cbits(ct)-1, and use
+ */
+#define chi_bits(ct,n) (ct)(~(ct)1 << (cbits(ct)-1 - (n)))
+#  define chunk_hi_bits(n) chi_bits(chunk,n)
+
+/* Define whether this is a machine where chunks are long, */
+/* but the machine can't shift a long by its full width. */
+#define arch_cant_shift_full_chunk\
+  (arch_is_big_endian && !arch_ints_are_short && !arch_can_shift_full_long)
+
+/* Pointer arithmetic macros. */
+#define inc_ptr(ptr,delta)\
+	(ptr = (void *)((byte *)ptr + (delta)))
+
+/* Define macros for setting up left- and right-end masks. */
+/* These are used for monobit operations, and for filling */
+/* with 2- and 4-bit-per-pixel patterns. */
+
+/*
+ * Define the chunk size for monobit copying operations.
+ */
+#if arch_is_big_endian
+#  define mono_copy_chunk uint
+#  define set_mono_right_mask(var, w)\
+	(var = ((w) == chunk_bits ? chunk_all_bits : chunk_hi_bits(w)))
+/*
+ * We have to split the following statement because of a bug in the Xenix C
+ * compiler (it produces a signed rather than an unsigned shift if we don't
+ * split).
+ */
+#  define set_mono_thin_mask(var, w, bit)\
+	set_mono_right_mask(var, w), var >>= (bit)
+/*
+ * We have to split the following statement in two because of a bug
+ * in the DEC VAX/VMS C compiler.
+ */
+#  define set_mono_left_mask(var, bit)\
+	(var = chunk_all_bits, var >>= (bit))
+#else
+#  define mono_copy_chunk bits16
+extern const bits16 mono_copy_masks[17];
+
+#  if mono_fill_chunk_bytes == 2
+#    define mono_fill_masks mono_copy_masks
+#  else
+extern const bits32 mono_fill_masks[33];
+
+#  endif
+/*
+ * We define mono_masks as either mono_fill_masks or
+ * mono_copy_masks before using the following macros.
+ */
+#  define set_mono_left_mask(var, bit)\
+	(var = mono_masks[bit])
+#  define set_mono_thin_mask(var, w, bit)\
+	(var = ~mono_masks[(w) + (bit)] & mono_masks[bit])
+#  define set_mono_right_mask(var, ebit)\
+	(var = ~mono_masks[ebit])
+#endif
+
+#endif /* gxbitops_INCLUDED */
diff --git a/pstoraster/gxccache.c b/pstoraster/gxccache.c
new file mode 100644
index 000000000..f6dd01b94
--- /dev/null
+++ b/pstoraster/gxccache.c
@@ -0,0 +1,456 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Fast case character cache routines for Ghostscript library */
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gzstate.h"
+#include "gzpath.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gzcpath.h"
+#include "gxchar.h"
+#include "gxfont.h"
+#include "gxfcache.h"
+#include "gxxfont.h"
+#include "gscspace.h"		/* for gsimage.h */
+#include "gsimage.h"
+#include "gxhttile.h"
+
+/* Forward references */
+private byte *compress_alpha_bits(P2(const cached_char *, gs_memory_t *));
+
+/* Define a scale factor of 1. */
+static const gs_log2_scale_point scale_log2_1 =
+{0, 0};
+
+/* Look up, and if necessary add, a font/matrix pair in the cache */
+cached_fm_pair *
+gx_lookup_fm_pair(gs_font * pfont, register const gs_state * pgs)
+{
+    float mxx = pgs->char_tm.xx, mxy = pgs->char_tm.xy, myx = pgs->char_tm.yx,
+          myy = pgs->char_tm.yy;
+    gs_font *font = pfont;
+    register gs_font_dir *dir = font->dir;
+    register cached_fm_pair *pair =
+    dir->fmcache.mdata + dir->fmcache.mnext;
+    int count = dir->fmcache.mmax;
+    gs_uid uid;
+
+    if (font->FontType == ft_composite || font->PaintType != 0) {	/* We can't cache by UID alone. */
+	uid_set_invalid(&uid);
+    } else {
+	uid = ((gs_font_base *) font)->UID;
+	if (uid_is_valid(&uid))
+	    font = 0;
+    }
+    while (count--) {
+	if (pair == dir->fmcache.mdata)
+	    pair += dir->fmcache.mmax;
+	pair--;
+	/* We have either a non-zero font and an invalid UID, */
+	/* or a zero font and a valid UID. */
+	/* We have to break up the test */
+	/* because of a bug in the Zortech compiler. */
+	if (font != 0) {
+	    if (pair->font != font)
+		continue;
+	} else {
+	    if (!uid_equal(&pair->UID, &uid) ||
+		pair->FontType != pfont->FontType
+		)
+		continue;
+	}
+	if (pair->mxx == mxx && pair->mxy == mxy &&
+	    pair->myx == myx && pair->myy == myy
+	    ) {
+	    if (pair->font == 0) {
+		pair->font = pfont;
+		if_debug2('k', "[k]updating pair 0x%lx with font 0x%lx\n",
+			  (ulong) pair, (ulong) pfont);
+	    } else {
+		if_debug2('k', "[k]found pair 0x%lx: font=0x%lx\n",
+			  (ulong) pair, (ulong) pair->font);
+	    }
+	    return pair;
+	}
+    }
+    return gx_add_fm_pair(dir, pfont, &uid, pgs);
+}
+
+/* Look up a glyph in the cache. */
+/* The character depth must be either 1 or alt_depth. */
+/* Return the cached_char or 0. */
+cached_char *
+gx_lookup_cached_char(const gs_font * pfont, const cached_fm_pair * pair,
+		      gs_glyph glyph, int wmode, int alt_depth)
+{
+    gs_font_dir *dir = pfont->dir;
+    uint chi = chars_head_index(glyph, pair);
+    register cached_char *cc;
+
+    while ((cc = dir->ccache.table[chi & dir->ccache.table_mask]) != 0) {
+	if (cc->code == glyph && cc_pair(cc) == pair &&
+	    cc->wmode == wmode && (cc_depth(cc) == 1 || cc_depth(cc) == alt_depth)
+	    ) {
+	    if_debug4('K', "[K]found 0x%lx (depth=%d) for glyph=0x%lx, wmode=%d\n",
+		      (ulong) cc, cc_depth(cc), (ulong) glyph, wmode);
+	    return cc;
+	}
+	chi++;
+    }
+    if_debug3('K', "[K]not found: glyph=0x%lx, wmode=%d, alt_depth=%d\n",
+	      (ulong) glyph, wmode, alt_depth);
+    return 0;
+}
+
+/* Look up a character in an external font. */
+/* Return the cached_char or 0. */
+cached_char *
+gx_lookup_xfont_char(const gs_state * pgs, cached_fm_pair * pair,
+gs_char chr, gs_glyph glyph, const gx_xfont_callbacks * callbacks, int wmode)
+{
+    gs_font *font = pair->font;
+    int enc_index;
+    gx_xfont *xf;
+    gx_xglyph xg;
+    gs_log2_scale_point log2_scale;
+    gs_point wxy;
+    gs_int_rect bbox;
+    cached_char *cc;
+
+    if (font == 0)
+	return NULL;
+    enc_index =
+	(font->FontType == ft_composite ? -1 :
+	 ((gs_font_base *) font)->nearest_encoding_index);
+    if (!pair->xfont_tried) {	/* Look for an xfont now. */
+	gx_lookup_xfont(pgs, pair, enc_index);
+	pair->xfont_tried = true;
+    }
+    xf = pair->xfont;
+    if (xf == 0)
+	return NULL;
+    {
+	const gx_xfont_procs *procs = xf->common.procs;
+
+	if (procs->char_xglyph2 == 0) {		/* The xfont can't recognize reencoded fonts. */
+	    /* Use the registered encoding only if this glyph */
+	    /* is the same as the one in the registered encoding. */
+	    if (enc_index >= 0 &&
+		(*callbacks->known_encode) (chr, enc_index) != glyph
+		)
+		enc_index = -1;
+	    xg = (*procs->char_xglyph) (xf, chr, enc_index, glyph,
+					callbacks->glyph_name);
+	} else {		/* The xfont can recognize reencoded fonts. */
+	    xg = (*procs->char_xglyph2) (xf, chr, enc_index, glyph,
+					 callbacks);
+	}
+	if (xg == gx_no_xglyph)
+	    return NULL;
+	if ((*procs->char_metrics) (xf, xg, wmode, &wxy, &bbox) < 0)
+	    return NULL;
+    }
+    log2_scale.x = log2_scale.y = 1;
+    cc = gx_alloc_char_bits(font->dir, NULL, NULL, bbox.q.x - bbox.p.x,
+			    bbox.q.y - bbox.p.y, &log2_scale, 1);
+    if (cc == 0)
+	return NULL;
+    /* Success.  Make the cache entry. */
+    cc->code = glyph;
+    cc->wmode = wmode;
+    cc->xglyph = xg;
+    cc->wxy.x = float2fixed(wxy.x);
+    cc->wxy.y = float2fixed(wxy.y);
+    cc->offset.x = int2fixed(-bbox.p.x);
+    cc->offset.y = int2fixed(-bbox.p.y);
+    if_debug5('k', "[k]xfont %s char %d/0x%x#0x%lx=>0x%lx\n",
+	      font->font_name.chars, enc_index, (int)chr,
+	      (ulong) glyph, (ulong) xg);
+    if_debug6('k', "     wxy=(%g,%g) bbox=(%d,%d),(%d,%d)\n",
+	      wxy.x, wxy.y, bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y);
+    gx_add_cached_char(font->dir, NULL, cc, pair, &scale_log2_1);
+    return cc;
+}
+
+/* Copy a cached character to the screen. */
+/* Assume the caller has already done gx_color_load. */
+/* Return 0 if OK, 1 if we couldn't do the operation but no error */
+/* should be signalled, or a negative error code. */
+int
+gx_image_cached_char(register gs_show_enum * penum, register cached_char * cc)
+{
+    register gs_state *pgs = penum->pgs;
+    gx_device_color *pdevc = pgs->dev_color;
+    int x, y, w, h, depth;
+    int code;
+    gs_fixed_point pt;
+    gx_device *dev = gs_currentdevice_inline(pgs);
+    gx_device *orig_dev = dev;
+    gx_device_clip cdev;
+    gx_xglyph xg = cc->xglyph;
+    gx_xfont *xf;
+    byte *bits;
+
+  top:code = gx_path_current_point_inline(pgs->path, &pt);
+    if (code < 0)
+	return code;
+    /*
+     * If the character doesn't lie entirely within the inner
+     * clipping rectangle, we set up an intermediate clipping device.
+     * Note that if the original device implements fill_mask, we may
+     * never actually use the clipping device.
+     */
+    pt.x -= cc->offset.x;
+    x = fixed2int_var_rounded(pt.x) + penum->ftx;
+    pt.y -= cc->offset.y;
+    y = fixed2int_var_rounded(pt.y) + penum->fty;
+    w = cc->width;
+    h = cc->height;
+#ifdef DEBUG
+    if (gs_debug_c('K')) {
+	if (cc_has_bits(cc))
+	    debug_dump_bitmap(cc_bits(cc), cc_raster(cc), h,
+			      "[K]bits");
+	else
+	    dputs("[K]no bits\n");
+	dlprintf3("[K]copying 0x%lx, offset=(%g,%g)\n", (ulong) cc,
+		  fixed2float(-cc->offset.x),
+		  fixed2float(-cc->offset.y));
+	dlprintf6("   at (%g,%g)+(%d,%d)->(%d,%d)\n",
+		  fixed2float(pt.x), fixed2float(pt.y),
+		  penum->ftx, penum->fty, x, y);
+    }
+#endif
+    if ((x < penum->ibox.p.x || x + w > penum->ibox.q.x ||
+	 y < penum->ibox.p.y || y + h > penum->ibox.q.y) &&
+	dev != (gx_device *) & cdev	/* might be 2nd time around */
+	) {			/* Check for the character falling entirely outside */
+	/* the clipping region. */
+	gx_clip_path *pcpath;
+
+	if (x >= penum->obox.q.x || x + w <= penum->obox.p.x ||
+	    y >= penum->obox.q.y || y + h <= penum->obox.p.y
+	    )
+	    return 0;		/* nothing to do */
+	code = gx_effective_clip_path(pgs, &pcpath);
+	if (code < 0)
+	    return code;
+	gx_make_clip_device(&cdev, &cdev, gx_cpath_list(pcpath));
+	cdev.target = dev;
+	dev = (gx_device *) & cdev;
+	(*dev_proc(dev, open_device)) (dev);
+	if_debug0('K', "[K](clipping)\n");
+    }
+    /* If an xfont can render this character, use it. */
+    if (xg != gx_no_xglyph && (xf = cc_pair(cc)->xfont) != 0) {
+	int cx = x + fixed2int(cc->offset.x);
+	int cy = y + fixed2int(cc->offset.y);
+
+	/*
+	 * Note that we prefer a 1-bit xfont implementation over
+	 * a multi-bit cached bitmap.  Eventually we should change
+	 * the xfont interface so it can deliver multi-bit bitmaps,
+	 * or else implement oversampling for xfonts.
+	 */
+	if (gs_color_writes_pure(pgs)) {
+	    code = (*xf->common.procs->render_char) (xf, xg,
+					dev, cx, cy, pdevc->colors.pure, 0);
+	    if_debug8('K', "[K]render_char display: xfont=0x%lx, glyph=0x%lx\n\tdev=0x%lx(%s) x,y=%d,%d, color=0x%lx => %d\n",
+		      (ulong) xf, (ulong) xg, (ulong) dev,
+		      dev->dname, cx, cy,
+		      (ulong) pdevc->colors.pure, code);
+	    if (code == 0)
+		return_check_interrupt(0);
+	}
+	/* Can't render directly.  If we don't have a bitmap yet, */
+	/* get it from the xfont now. */
+	if (!cc_has_bits(cc)) {
+	    gx_device_memory mdev;
+
+	    gs_make_mem_mono_device(&mdev, 0, dev);
+	    gx_open_cache_device(&mdev, cc);
+	    code = (*xf->common.procs->render_char) (xf, xg,
+				       (gx_device *) & mdev, cx - x, cy - y,
+						     (gx_color_index) 1, 1);
+	    if_debug7('K', "[K]render_char to bits: xfont=0x%lx, glyph=0x%lx\n\tdev=0x%lx(%s) x,y=%d,%d => %d\n",
+		      (ulong) xf, (ulong) xg, (ulong) & mdev,
+		      mdev.dname, cx - x, cy - y, code);
+	    if (code != 0)
+		return_check_interrupt(1);
+	    gx_add_char_bits(cc_pair(cc)->font->dir,
+			     cc, &scale_log2_1);
+	    /* gx_add_char_bits may change width, height, */
+	    /* raster, and/or offset.  It's easiest to */
+	    /* start over from the top.  Clear xg so that */
+	    /* we don't waste time trying render_char again. */
+	    xg = gx_no_xglyph;
+	    goto top;
+	}
+    }
+    /*
+     * No xfont.  Render from the cached bits.  If the cached bits
+     * have more than 1 bit of alpha, and the color isn't pure or
+     * the copy_alpha operation fails, construct a single-bit mask
+     * by taking the high-order alpha bit.
+     */
+    bits = cc_bits(cc);
+    depth = cc_depth(cc);
+    if (dev_proc(orig_dev, fill_mask) != gx_default_fill_mask ||
+	!lop_no_S_is_T(pgs->log_op)
+	) {
+	gx_clip_path *pcpath;
+
+	code = gx_effective_clip_path(pgs, &pcpath);
+	if (code >= 0) {
+	    code = (*dev_proc(orig_dev, fill_mask))
+		(orig_dev, bits, 0, cc_raster(cc), cc->id,
+		 x, y, w, h, pdevc, depth, pgs->log_op, pcpath);
+	    if (code >= 0)
+		goto done;
+	}
+    } else if (gs_color_writes_pure(pgs)) {
+	gx_color_index color = pdevc->colors.pure;
+
+	if (depth > 1) {
+	    code = (*dev_proc(dev, copy_alpha))
+		(dev, bits, 0, cc_raster(cc), cc->id,
+		 x, y, w, h, color, depth);
+	    if (code >= 0)
+		return_check_interrupt(0);
+	    /* copy_alpha failed, construct a monobit mask. */
+	    bits = compress_alpha_bits(cc, &gs_memory_default);
+	    if (bits == 0)
+		return 1;	/* VMerror, but recoverable */
+	}
+	code = (*dev_proc(dev, copy_mono))
+	    (dev, bits, 0, cc_raster(cc), cc->id,
+	     x, y, w, h, gx_no_color_index, pdevc->colors.pure);
+	goto done;
+    }
+    if (depth > 1) {		/* Complex color or fill_mask / copy_alpha failed, */
+	/* construct a monobit mask. */
+	bits = compress_alpha_bits(cc, &gs_memory_default);
+	if (bits == 0)
+	    return 1;		/* VMerror, but recoverable */
+
+    } {				/* Use imagemask to render the character. */
+	gs_memory_t *mem = &gs_memory_default;
+	gs_image_enum *pie =
+	    gs_image_enum_alloc(mem, "image_char(image_enum)");
+	gs_image_t image;
+	int iy;
+	uint used;
+
+	if (pie == 0) {
+	    if (bits != cc_bits(cc))
+		gs_free_object(&gs_memory_default, bits,
+			       "compress_alpha_bits");
+	    return 1;		/* VMerror, but recoverable */
+	}
+	/* Make a matrix that will place the image */
+	/* at (x,y) with no transformation. */
+	gs_image_t_init_mask(&image, true);
+#define mat image.ImageMatrix
+	gs_make_translation((floatp) - x, (floatp) - y, &mat);
+	gs_matrix_multiply(&ctm_only(pgs), &mat, &mat);
+#undef mat
+	image.Width = w;
+	image.Height = h;
+	image.adjust = false;
+	code = gs_image_init(pie, &image, false, pgs);
+	switch (code) {
+	    case 1:		/* empty image */
+		code = 0;
+	    default:
+		break;
+	    case 0:
+		for (iy = 0; iy < h && code >= 0; iy++)
+		    code = gs_image_next(pie, bits + iy * cc_raster(cc),
+					 (w + 7) >> 3, &used);
+		gs_image_cleanup(pie);
+	}
+	gs_free_object(mem, pie, "image_char(image_enum)");
+    }
+  done:if (bits != cc_bits(cc))
+	gs_free_object(&gs_memory_default, bits, "compress_alpha_bits");
+    if (code > 0)
+	code = 0;
+    return_check_interrupt(code);
+}
+
+/* ------ Image manipulation ------ */
+
+/*
+ * Compress a mask with 2 or 4 bits of alpha to a monobit mask.
+ * Allocate and return the address of the monobit mask.
+ */
+private byte *
+compress_alpha_bits(const cached_char * cc, gs_memory_t * mem)
+{
+    const byte *data = cc_const_bits(cc);
+    uint width = cc->width;
+    uint height = cc->height;
+    int log2_scale = cc_depth(cc);
+    int scale = 1 << log2_scale;
+    uint sraster = cc_raster(cc);
+    uint sskip = sraster - ((width * scale + 7) >> 3);
+    uint draster = bitmap_raster(width);
+    uint dskip = draster - ((width + 7) >> 3);
+    byte *mask = gs_alloc_bytes(mem, draster * height,
+				"compress_alpha_bits");
+    const byte *sptr = data;
+    byte *dptr = mask;
+    uint h;
+
+    if (mask == 0)
+	return 0;
+    for (h = height; h; --h) {
+	byte sbit = 0x80;
+	byte d = 0;
+	byte dbit = 0x80;
+	uint w;
+
+	for (w = width; w; --w) {
+	    if (*sptr & sbit)
+		d += dbit;
+	    if (!(sbit >>= log2_scale))
+		sbit = 0x80, sptr++;
+	    if (!(dbit >>= 1))
+		dbit = 0x80, dptr++, d = 0;
+	}
+	if (dbit != 0x80)
+	    *dptr++ = d;
+	for (w = dskip; w != 0; --w)
+	    *dptr++ = 0;
+	sptr += sskip;
+    }
+    return mask;
+}
diff --git a/pstoraster/gxccman.c b/pstoraster/gxccman.c
new file mode 100644
index 000000000..b2a42c402
--- /dev/null
+++ b/pstoraster/gxccman.c
@@ -0,0 +1,797 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Character cache management routines for Ghostscript library */
+#include "gx.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsbitops.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gzstate.h"
+#include "gzpath.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxchar.h"
+#include "gxfont.h"
+#include "gxfcache.h"
+#include "gxxfont.h"
+
+/* Define the descriptors for the cache structures. */
+private_st_cached_fm_pair();
+private_st_cached_fm_pair_elt();
+					/*private_st_cached_char(); *//* unused */
+private_st_cached_char_ptr();	/* unused */
+private_st_cached_char_ptr_elt();
+/* GC procedures */
+/* We do all the work in font_dir_enum/reloc_ptrs in gsfont.c. */
+/* See gxfcache.h for details. */
+private 
+ENUM_PTRS_BEGIN(cc_ptr_enum_ptrs) return 0;
+
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(cc_ptr_reloc_ptrs)
+{
+}
+RELOC_PTRS_END
+
+/* Forward references */
+private gx_xfont * lookup_xfont_by_name(P6(gx_device *, const gx_xfont_procs *, gs_font_name *, int, const cached_fm_pair *, const gs_matrix *));
+private cached_char *alloc_char(P2(gs_font_dir *, ulong));
+private cached_char *alloc_char_in_chunk(P2(gs_font_dir *, ulong));
+private void hash_remove_cached_char(P2(gs_font_dir *, uint));
+private void shorten_cached_char(P3(gs_font_dir *, cached_char *, uint));
+
+/* ====== Initialization ====== */
+
+/* Allocate and initialize the character cache elements of a font directory. */
+int
+gx_char_cache_alloc(gs_memory_t * struct_mem, gs_memory_t * bits_mem,
+	    gs_font_dir * pdir, uint bmax, uint mmax, uint cmax, uint upper)
+{				/* Since we use open hashing, we must increase cmax somewhat. */
+    uint chsize = (cmax + (cmax >> 1)) | 31;
+    cached_fm_pair *mdata;
+    cached_char **chars;
+
+    /* Round up chsize to a power of 2. */
+    while (chsize & (chsize + 1))
+	chsize |= chsize >> 1;
+    chsize++;
+    mdata = gs_alloc_struct_array(struct_mem, mmax, cached_fm_pair,
+				  &st_cached_fm_pair_element,
+				  "font_dir_alloc(mdata)");
+    chars = gs_alloc_struct_array(struct_mem, chsize, cached_char *,
+				  &st_cached_char_ptr_element,
+				  "font_dir_alloc(chars)");
+    if (mdata == 0 || chars == 0) {
+	gs_free_object(struct_mem, chars, "font_dir_alloc(chars)");
+	gs_free_object(struct_mem, mdata, "font_dir_alloc(mdata)");
+	return_error(gs_error_VMerror);
+    }
+    pdir->fmcache.mmax = mmax;
+    pdir->fmcache.mdata = mdata;
+    pdir->ccache.struct_memory = struct_mem;
+    pdir->ccache.bits_memory = bits_mem;
+    pdir->ccache.bmax = bmax;
+    pdir->ccache.cmax = cmax;
+    pdir->ccache.lower = upper / 10;
+    pdir->ccache.upper = upper;
+    pdir->ccache.table = chars;
+    pdir->ccache.table_mask = chsize - 1;
+    gx_char_cache_init(pdir);
+    return 0;
+}
+
+/* Initialize the character cache. */
+void
+gx_char_cache_init(register gs_font_dir * dir)
+{
+    int i;
+    cached_fm_pair *pair;
+    char_cache_chunk *cck = (char_cache_chunk *)
+    gs_alloc_bytes_immovable(dir->ccache.bits_memory,
+			     sizeof(char_cache_chunk),
+			     "initial_chunk");
+
+    dir->fmcache.msize = 0;
+    dir->fmcache.mnext = 0;
+    gx_bits_cache_chunk_init(cck, NULL, 0);
+    gx_bits_cache_init((gx_bits_cache *) & dir->ccache, cck);
+    dir->ccache.bspace = 0;
+    memset((char *)dir->ccache.table, 0,
+	   (dir->ccache.table_mask + 1) * sizeof(cached_char *));
+    for (i = 0, pair = dir->fmcache.mdata;
+	 i < dir->fmcache.mmax; i++, pair++
+	) {
+	pair->index = i;
+	fm_pair_init(pair);
+    }
+}
+
+/* ====== Purging ====== */
+
+/* Purge from the character cache all entries selected by */
+/* a client-supplied procedure. */
+void
+gx_purge_selected_cached_chars(gs_font_dir * dir,
+		   bool(*proc) (P2(cached_char *, void *)), void *proc_data)
+{
+    int chi;
+    int cmax = dir->ccache.table_mask;
+
+    for (chi = 0; chi <= cmax;) {
+	cached_char *cc = dir->ccache.table[chi];
+
+	if (cc != 0 && (*proc) (cc, proc_data)) {
+	    hash_remove_cached_char(dir, chi);
+	    gx_free_cached_char(dir, cc);
+	} else
+	    chi++;
+    }
+}
+
+/* ====== Font-level routines ====== */
+
+/* Add a font/matrix pair to the cache. */
+/* (This is only exported for gxccache.c.) */
+cached_fm_pair *
+gx_add_fm_pair(register gs_font_dir * dir, gs_font * font, const gs_uid * puid,
+	       const gs_state * pgs)
+{
+    register cached_fm_pair *pair =
+    dir->fmcache.mdata + dir->fmcache.mnext;
+    cached_fm_pair *mend =
+    dir->fmcache.mdata + dir->fmcache.mmax;
+
+    if (dir->fmcache.msize == dir->fmcache.mmax) {	/* cache is full *//* Prefer an entry with num_chars == 0, if any. */
+	int count;
+
+	for (count = dir->fmcache.mmax;
+	     --count >= 0 && pair->num_chars != 0;
+	    )
+	    if (++pair == mend)
+		pair = dir->fmcache.mdata;
+	gs_purge_fm_pair(dir, pair, 0);
+    } else {			/* Look for an empty entry.  (We know there is one.) */
+	while (!fm_pair_is_free(pair))
+	    if (++pair == mend)
+		pair = dir->fmcache.mdata;
+    }
+    dir->fmcache.msize++;
+    dir->fmcache.mnext = pair + 1 - dir->fmcache.mdata;
+    if (dir->fmcache.mnext == dir->fmcache.mmax)
+	dir->fmcache.mnext = 0;
+    pair->font = font;
+    pair->UID = *puid;
+    pair->FontType = font->FontType;
+    /* The OSF/1 compiler doesn't like casting a pointer to */
+    /* a shorter int.... */
+    pair->hash = (uint) (ulong) pair % 549;	/* scramble bits */
+    pair->mxx = pgs->char_tm.xx, pair->mxy = pgs->char_tm.xy;
+    pair->myx = pgs->char_tm.yx, pair->myy = pgs->char_tm.yy;
+    pair->num_chars = 0;
+    pair->xfont_tried = false;
+    pair->xfont = 0;
+    if_debug8('k', "[k]adding pair 0x%lx: font=0x%lx [%g %g %g %g] UID %ld, 0x%lx\n",
+	      (ulong) pair, (ulong) font,
+	      pair->mxx, pair->mxy, pair->myx, pair->myy,
+	      (long)pair->UID.id, (ulong) pair->UID.xvalues);
+    return pair;
+}
+
+/* Look up the xfont for a font/matrix pair. */
+/* (This is only exported for gxccache.c.) */
+void
+gx_lookup_xfont(const gs_state * pgs, cached_fm_pair * pair, int encoding_index)
+{
+    gx_device *dev = gs_currentdevice(pgs);
+    gx_device *fdev = (*dev_proc(dev, get_xfont_device)) (dev);
+    gs_font *font = pair->font;
+    const gx_xfont_procs *procs = (*dev_proc(fdev, get_xfont_procs)) (fdev);
+    gx_xfont *xf = 0;
+
+    /* We mustn't attempt to use xfonts for stroked characters, */
+    /* because such characters go outside their bounding box. */
+    if (procs != 0 && font->PaintType == 0) {
+	gs_matrix mat;
+
+	mat.xx = pair->mxx, mat.xy = pair->mxy;
+	mat.yx = pair->myx, mat.yy = pair->myy;
+	mat.tx = 0, mat.ty = 0;
+	/* xfonts can outlive their invocations, */
+	/* but restore purges them properly. */
+	pair->memory = pgs->memory;
+	if (font->key_name.size != 0)
+	    xf = lookup_xfont_by_name(fdev, procs,
+				      &font->key_name, encoding_index,
+				      pair, &mat);
+#define font_name_eq(pfn1,pfn2)\
+  ((pfn1)->size == (pfn2)->size && (pfn1)->size != 0 &&\
+   !memcmp((char *)(pfn1)->chars, (char *)(pfn2)->chars, (pfn1)->size))
+	if (xf == 0 && font->font_name.size != 0 &&
+	/* Avoid redundant lookup */
+	    !font_name_eq(&font->font_name, &font->key_name)
+	    )
+	    xf = lookup_xfont_by_name(fdev, procs,
+				      &font->font_name, encoding_index,
+				      pair, &mat);
+	if (xf == 0 && font->FontType != ft_composite &&
+	    uid_is_valid(&((gs_font_base *) font)->UID)
+	    ) {			/* Look for an original font with the same UID. */
+	    gs_font_dir *pdir = font->dir;
+	    gs_font *pfont;
+
+	    for (pfont = pdir->orig_fonts; pfont != 0;
+		 pfont = pfont->next
+		) {
+		if (pfont->FontType != ft_composite &&
+		    uid_equal(&((gs_font_base *) pfont)->UID,
+			      &((gs_font_base *) font)->UID) &&
+		    pfont->key_name.size != 0 &&
+		    !font_name_eq(&font->key_name,
+				  &pfont->key_name)
+		    ) {
+		    xf = lookup_xfont_by_name(fdev, procs,
+					      &pfont->key_name,
+					      encoding_index, pair, &mat);
+		    if (xf != 0)
+			break;
+		}
+	    }
+	}
+    }
+    pair->xfont = xf;
+}
+
+/* ------ Internal routines ------ */
+
+/* Purge from the caches all references to a given font/matrix pair, */
+/* or just characters that depend on its xfont. */
+#define cpair ((cached_fm_pair *)vpair)
+private bool
+purge_fm_pair_char(cached_char * cc, void *vpair)
+{
+    return cc_pair(cc) == cpair;
+}
+private bool
+purge_fm_pair_char_xfont(cached_char * cc, void *vpair)
+{
+    return cc_pair(cc) == cpair && cpair->xfont == 0 && !cc_has_bits(cc);
+}
+#undef cpair
+void
+gs_purge_fm_pair(gs_font_dir * dir, cached_fm_pair * pair, int xfont_only)
+{
+    if_debug2('k', "[k]purging pair 0x%lx%s\n",
+	      (ulong) pair, (xfont_only ? " (xfont only)" : ""));
+    if (pair->xfont != 0) {
+	(*pair->xfont->common.procs->release) (pair->xfont,
+					       pair->memory);
+	pair->xfont_tried = false;
+	pair->xfont = 0;
+    }
+    gx_purge_selected_cached_chars(dir,
+				   (xfont_only ? purge_fm_pair_char_xfont :
+				    purge_fm_pair_char),
+				   pair);
+    if (!xfont_only) {
+#ifdef DEBUG
+	if (pair->num_chars != 0) {
+	    lprintf1("Error in gs_purge_fm_pair: num_chars =%d\n",
+		     pair->num_chars);
+	}
+#endif
+	fm_pair_set_free(pair);
+	dir->fmcache.msize--;
+    }
+}
+
+/* Look up an xfont by name. */
+/* The caller must already have done get_xfont_device to get the proper */
+/* device to pass as the first argument to lookup_font. */
+private gx_xfont *
+lookup_xfont_by_name(gx_device * fdev, const gx_xfont_procs * procs,
+      gs_font_name * pfstr, int encoding_index, const cached_fm_pair * pair,
+		     const gs_matrix * pmat)
+{
+    gx_xfont *xf;
+
+    if_debug5('k', "[k]lookup xfont %s [%g %g %g %g]\n",
+	      pfstr->chars, pmat->xx, pmat->xy, pmat->yx, pmat->yy);
+    xf = (*procs->lookup_font) (fdev,
+				&pfstr->chars[0], pfstr->size,
+				encoding_index, &pair->UID,
+				pmat, pair->memory);
+    if_debug1('k', "[k]... xfont=0x%lx\n", (ulong) xf);
+    return xf;
+}
+
+/* ====== Character-level routines ====== */
+
+/*
+ * Allocate storage for caching a rendered character with possible
+ * oversampling and/or alpha.  Return the cached_char if OK, 0 if too big.
+ * If the character is being oversampled, make the size decision
+ * on the basis of the final (scaled-down) size.
+ *
+ * The iwidth and iheight parameters include scaling up for oversampling
+ * (multiplication by 1 << pscale->{x,y}.)
+ * The depth parameter is the final number of alpha bits;
+ * depth <= x scale * y scale.
+ * If dev == NULL, this is an xfont-only entry.
+ * If dev != NULL, set up the memory device(s); in this case, if dev2 is
+ * not NULL, dev should be an alpha-buffer device with dev2 (an alpha
+ * device) as target.
+ */
+cached_char *
+gx_alloc_char_bits(gs_font_dir * dir, gx_device_memory * dev,
+		   gx_device_memory * dev2, ushort iwidth, ushort iheight,
+		   const gs_log2_scale_point * pscale, int depth)
+{
+    int log2_xscale = pscale->x;
+    int log2_yscale = pscale->y;
+    int log2_depth = depth >> 1;	/* works for 1,2,4 */
+    uint nwidth_bits = (iwidth >> log2_xscale) << log2_depth;
+    ulong isize, icdsize;
+    uint iraster;
+    cached_char *cc;
+    gx_device_memory mdev;
+    gx_device_memory *pdev = dev;
+    gx_device_memory *pdev2;
+
+    if (dev == NULL) {
+	mdev.memory = 0;
+	mdev.target = 0;
+	pdev = &mdev;
+    }
+    pdev2 = (dev2 == 0 ? pdev : dev2);
+
+    /* Compute the scaled-down bitmap size, and test against */
+    /* the maximum cachable character size. */
+
+    iraster = bitmap_raster(nwidth_bits);
+    if (iraster != 0 && iheight >> log2_yscale > dir->ccache.upper / iraster) {
+	if_debug5('k', "[k]no cache bits: scale=%dx%d, raster/scale=%u, height/scale=%u, upper=%u\n",
+		  1 << log2_xscale, 1 << log2_yscale,
+		  iraster, iheight, dir->ccache.upper);
+	return 0;		/* too big */
+    }
+    /* Compute the actual bitmap size(s) and allocate the bits. */
+    if (dev2 == 0) {
+	/* Render to a full (possibly oversampled) bitmap; */
+	/* compress (if needed) when done. */
+	rc_header rc;
+
+	/* Preserve the reference count, if any. */
+	rc = pdev->rc;
+	gs_make_mem_mono_device(pdev, pdev->memory, pdev->target);
+	pdev->rc = rc;
+	pdev->width = iwidth;
+	pdev->height = iheight;
+	isize = gdev_mem_bitmap_size(pdev);
+    } else {
+	/* Use an alpha-buffer device to compress as we go. */
+	rc_header rc;
+
+	/* Preserve the reference counts, if any. */
+	rc = dev2->rc;
+	gs_make_mem_alpha_device(dev2, dev2->memory, NULL, depth);
+	dev2->rc = rc;
+	dev2->width = iwidth >> log2_xscale;
+	dev2->height = iheight >> log2_yscale;
+	rc = dev->rc;
+	gs_make_mem_abuf_device(dev, dev->memory, (gx_device *) dev2,
+				pscale, depth, 0);
+	dev->rc = rc;
+	dev->width = iwidth;
+	dev->height = 2 << log2_yscale;
+	isize = gdev_mem_bitmap_size(dev) +
+	    gdev_mem_bitmap_size(dev2);
+    }
+    icdsize = isize + sizeof_cached_char;
+    cc = alloc_char(dir, icdsize);
+    if (cc == 0)
+	return 0;
+    if_debug4('k', "[k]adding char 0x%lx:%u(%u,%u)\n",
+	      (ulong) cc, (uint) icdsize, iwidth, iheight);
+
+    /* Fill in the entry. */
+
+    cc_set_depth(cc, depth);
+    cc->xglyph = gx_no_xglyph;
+    /* Set the width and height to those of the device. */
+    /* Note that if we are oversampling without an alpha buffer. */
+    /* these are not the final unscaled dimensions. */
+    cc->width = pdev2->width;
+    cc->height = pdev2->height;
+    cc->shift = 0;
+    cc_set_raster(cc, gdev_mem_raster(pdev2));
+    cc_set_pair_only(cc, 0);	/* not linked in yet */
+    cc->id = gx_no_bitmap_id;
+
+    /* Open the cache device(s). */
+
+    if (dev2) {			/* The second device is an alpha device that targets */
+	/* the real storage for the character. */
+	byte *bits = cc_bits(cc);
+	uint bsize = (uint) gdev_mem_bitmap_size(dev2);
+
+	memset(bits, 0, bsize);
+	dev2->base = bits;
+	(*dev_proc(dev2, open_device)) ((gx_device *) dev2);
+	dev->base = bits + bsize;
+	(*dev_proc(dev, open_device)) ((gx_device *) dev);
+    } else if (dev)
+	gx_open_cache_device(dev, cc);
+
+    return cc;
+}
+
+/* Open the cache device. */
+void
+gx_open_cache_device(gx_device_memory * dev, cached_char * cc)
+{
+    byte *bits = cc_bits(cc);
+
+    dev->width = cc->width;
+    dev->height = cc->height;
+    memset((char *)bits, 0, (uint) gdev_mem_bitmap_size(dev));
+    dev->base = bits;
+    (*dev_proc(dev, open_device)) ((gx_device *) dev);	/* initialize */
+}
+
+/* Remove a character from the cache. */
+void
+gx_free_cached_char(gs_font_dir * dir, cached_char * cc)
+{
+    char_cache_chunk *cck = cc->chunk;
+
+    dir->ccache.chunks = cck;
+    dir->ccache.cnext = (byte *) cc - cck->data;
+    if (cc_pair(cc) != 0) {	/* might be allocated but not added to table yet */
+	cc_pair(cc)->num_chars--;
+    }
+    if_debug2('k', "[k]freeing char 0x%lx, pair=0x%lx\n",
+	      (ulong) cc, (ulong) cc_pair(cc));
+    gx_bits_cache_free((gx_bits_cache *) & dir->ccache, &cc->head, cck);
+}
+
+/* Add a character to the cache */
+void
+gx_add_cached_char(gs_font_dir * dir, gx_device_memory * dev,
+cached_char * cc, cached_fm_pair * pair, const gs_log2_scale_point * pscale)
+{
+    if_debug5('k', "[k]chaining char 0x%lx: pair=0x%lx, glyph=0x%lx, wmode=%d, depth=%d\n",
+	      (ulong) cc, (ulong) pair, (ulong) cc->code,
+	      cc->wmode, cc_depth(cc));
+    if (dev != NULL) {
+	static const gs_log2_scale_point no_scale =
+	{0, 0};
+
+	/* Close the device, to flush the alpha buffer if any. */
+	(*dev_proc(dev, close_device)) ((gx_device *) dev);
+	gx_add_char_bits(dir, cc,
+			 (gs_device_is_abuf((gx_device *) dev) ?
+			  &no_scale : pscale));
+    }
+    /* Add the new character to the hash table. */
+    {
+	uint chi = chars_head_index(cc->code, pair);
+
+	while (dir->ccache.table[chi &= dir->ccache.table_mask] != 0)
+	    chi++;
+	dir->ccache.table[chi] = cc;
+	cc_set_pair(cc, pair);
+	pair->num_chars++;
+    }
+}
+
+/* Adjust the bits of a newly-rendered character, by unscaling */
+/* and compressing or converting to alpha values if necessary. */
+void
+gx_add_char_bits(gs_font_dir * dir, cached_char * cc,
+		 const gs_log2_scale_point * plog2_scale)
+{
+    int log2_x = plog2_scale->x, log2_y = plog2_scale->y;
+    uint raster = cc_raster(cc);
+    byte *bits = cc_bits(cc);
+    int depth = cc_depth(cc);
+    int log2_depth = depth >> 1;	/* works for 1,2,4 */
+    uint nwidth_bits, nraster;
+    gs_int_rect bbox;
+
+#ifdef DEBUG
+    if (cc->width % (1 << log2_x) != 0 ||
+	cc->height % (1 << log2_y) != 0
+	) {
+	lprintf4("size %d,%d not multiple of scale %d,%d!\n",
+		 cc->width, cc->height,
+		 1 << log2_x, 1 << log2_y);
+	cc->width &= -1 << log2_x;
+	cc->height &= -1 << log2_y;
+    }
+#endif
+
+    /*
+     * Compute the bounding box before compressing.
+     * We may have to scan more bits, but this is a lot faster than
+     * compressing the white space.  Note that all bbox values are
+     * in bits, not pixels.
+     */
+
+    bits_bounding_box(bits, cc->height, raster, &bbox);
+
+    /*
+     * If the character was oversampled, compress it now.
+     * In this case we know that log2_depth <= log2_x.
+     * If the character was not oversampled, or if we converted
+     * oversampling to alpha dynamically (using an alpha buffer
+     * intermediate device), log2_x and log2_y are both zero,
+     * but in the latter case we may still have depth > 1.
+     */
+
+    if ((log2_x | log2_y) != 0) {
+	if_debug5('k', "[k]compressing %dx%d by %dx%d to depth=%d\n",
+		  cc->width, cc->height, 1 << log2_x, 1 << log2_y,
+		  depth);
+	if (gs_debug_c('K'))
+	    debug_dump_bitmap(bits, raster, cc->height,
+			      "[K]uncompressed bits");
+	/* Truncate/round the bbox to a multiple of the scale. */
+	{
+	    int scale_x = 1 << log2_x;
+
+	    bbox.p.x &= -scale_x;
+	    bbox.q.x = (bbox.q.x + scale_x - 1) & -scale_x;
+	}
+	{
+	    int scale_y = 1 << log2_y;
+
+	    bbox.p.y &= -scale_y;
+	    bbox.q.y = (bbox.q.y + scale_y - 1) & -scale_y;
+	}
+	cc->width = (bbox.q.x - bbox.p.x) >> log2_x;
+	cc->height = (bbox.q.y - bbox.p.y) >> log2_y;
+	nwidth_bits = cc->width << log2_depth;
+	nraster = bitmap_raster(nwidth_bits);
+	bits_compress_scaled(bits + raster * bbox.p.y, bbox.p.x,
+			     cc->width << log2_x,
+			     cc->height << log2_y,
+			     raster,
+			     bits, nraster, plog2_scale, log2_depth);
+	bbox.p.x >>= log2_x;
+	bbox.p.y >>= log2_y;
+    } else {			/* No oversampling, just remove white space. */
+	const byte *from = bits + raster * bbox.p.y + (bbox.p.x >> 3);
+
+	cc->height = bbox.q.y - bbox.p.y;
+	/*
+	 * We'd like to trim off left and right blank space,
+	 * but currently we're only willing to move bytes, not bits.
+	 * (If we ever want to do better, we must remember that
+	 * we can only trim whole pixels, and a pixel may occupy
+	 * more than one bit.)
+	 */
+	bbox.p.x &= ~7;		/* adjust to byte boundary */
+	bbox.p.x >>= log2_depth;	/* bits => pixels */
+	bbox.q.x = (bbox.q.x + depth - 1) >> log2_depth;	/* ditto */
+	cc->width = bbox.q.x - bbox.p.x;
+	nwidth_bits = cc->width << log2_depth;
+	nraster = bitmap_raster(nwidth_bits);
+	if (bbox.p.x != 0 || nraster != raster) {	/* Move the bits down and over. */
+	    byte *to = bits;
+	    uint n = cc->height;
+
+	    /* We'd like to move only 
+	       uint nbytes = (nwidth_bits + 7) >> 3;
+	       * bytes per scan line, but unfortunately this drops
+	       * the guaranteed zero padding at the end.
+	     */
+
+	    for (; n--; from += raster, to += nraster)
+		memmove(to, from, /*nbytes */ nraster);
+	} else if (bbox.p.y != 0) {	/* Just move the bits down. */
+	    memmove(bits, from, raster * cc->height);
+	}
+    }
+
+    /* Adjust the offsets to account for removed white space. */
+
+    cc->offset.x -= int2fixed(bbox.p.x);
+    cc->offset.y -= int2fixed(bbox.p.y);
+
+    /* Discard the memory device overhead that follows the bits, */
+    /* and any space reclaimed from unscaling or compression. */
+
+    cc_set_raster(cc, nraster);
+    {
+	uint diff = round_down(cc->head.size - sizeof_cached_char -
+			       nraster * cc->height,
+			       align_cached_char_mod);
+
+	if (diff >= sizeof(cached_char_head)) {
+	    shorten_cached_char(dir, cc, diff);
+	    if_debug2('K', "[K]shortening char 0x%lx by %u (adding)\n",
+		      (ulong) cc, diff);
+	}
+    }
+
+    /* Assign a bitmap id. */
+
+    cc->id = gs_next_ids(1);
+}
+
+/* Purge from the caches all references to a given font. */
+void
+gs_purge_font_from_char_caches(gs_font_dir * dir, const gs_font * font)
+{
+    cached_fm_pair *pair = dir->fmcache.mdata;
+    int count = dir->fmcache.mmax;
+
+    if_debug1('k', "[k]purging font 0x%lx\n",
+	      (ulong) font);
+    while (count--) {
+	if (pair->font == font) {
+	    if (uid_is_valid(&pair->UID)) {	/* Keep the entry. */
+		pair->font = 0;
+	    } else
+		gs_purge_fm_pair(dir, pair, 0);
+	}
+	pair++;
+    }
+}
+
+/* ------ Internal routines ------ */
+
+/* Allocate data space for a cached character, adding a new chunk if needed. */
+private cached_char *
+alloc_char(gs_font_dir * dir, ulong icdsize)
+{				/* Try allocating at the current position first. */
+    cached_char *cc = alloc_char_in_chunk(dir, icdsize);
+
+    if (cc == 0) {
+	if (dir->ccache.bspace < dir->ccache.bmax) {	/* Allocate another chunk. */
+	    gs_memory_t *mem = dir->ccache.bits_memory;
+	    char_cache_chunk *cck_prev = dir->ccache.chunks;
+	    char_cache_chunk *cck;
+	    uint cksize = dir->ccache.bmax / 5 + 1;
+	    uint tsize = dir->ccache.bmax - dir->ccache.bspace;
+	    byte *cdata;
+
+	    if (cksize > tsize)
+		cksize = tsize;
+	    if (icdsize + sizeof(cached_char_head) > cksize) {
+		if_debug2('k', "[k]no cache bits: cdsize+head=%lu, cksize=%u\n",
+			  icdsize + sizeof(cached_char_head),
+			  cksize);
+		return 0;	/* wouldn't fit */
+	    }
+	    cck = (char_cache_chunk *)
+		gs_alloc_bytes_immovable(mem, sizeof(*cck),
+					 "char cache chunk");
+	    if (cck == 0)
+		return 0;
+	    cdata =
+		gs_alloc_bytes_immovable(mem, cksize,
+					 "char cache chunk(data)");
+	    if (cdata == 0) {
+		gs_free_object(mem, cck, "char cache chunk");
+		return 0;
+	    }
+	    gx_bits_cache_chunk_init(cck, cdata, cksize);
+	    cck->next = cck_prev->next;
+	    cck_prev->next = cck;
+	    dir->ccache.bspace += cksize;
+	    dir->ccache.chunks = cck;
+	} else {		/* Cycle through existing chunks. */
+	    char_cache_chunk *cck_init = dir->ccache.chunks;
+	    char_cache_chunk *cck = cck_init;
+
+	    while ((dir->ccache.chunks = cck = cck->next) != cck_init) {
+		dir->ccache.cnext = 0;
+		cc = alloc_char_in_chunk(dir, icdsize);
+		if (cc != 0)
+		    return cc;
+	    }
+	}
+	dir->ccache.cnext = 0;
+	cc = alloc_char_in_chunk(dir, icdsize);
+    }
+    return cc;
+}
+
+/* Allocate a character in the current chunk. */
+private cached_char *
+alloc_char_in_chunk(gs_font_dir * dir, ulong icdsize)
+{
+    char_cache_chunk *cck = dir->ccache.chunks;
+    cached_char_head *cch;
+
+#define cc ((cached_char *)cch)
+
+    while (gx_bits_cache_alloc((gx_bits_cache *) & dir->ccache,
+			       icdsize, &cch) < 0
+	) {
+	if (cch == 0) {		/* Not enough room to allocate in this chunk. */
+	    return 0;
+	} {			/* Free the character */
+	    cached_fm_pair *pair = cc_pair(cc);
+
+	    if (pair != 0) {
+		uint chi = chars_head_index(cc->code, pair);
+
+		while (dir->ccache.table[chi & dir->ccache.table_mask] != cc)
+		    chi++;
+		hash_remove_cached_char(dir, chi);
+	    }
+	    gx_free_cached_char(dir, cc);
+	}
+    }
+    cc->chunk = cck;
+    cc->loc = (byte *) cc - cck->data;
+    return cc;
+#undef cc
+}
+
+/* Remove the cached_char at a given index in the hash table. */
+/* In order not to slow down lookup, we relocate following entries. */
+private void
+hash_remove_cached_char(gs_font_dir * dir, uint chi)
+{
+    uint mask = dir->ccache.table_mask;
+    uint from = ((chi &= mask) + 1) & mask;
+    cached_char *cc;
+
+    dir->ccache.table[chi] = 0;
+    while ((cc = dir->ccache.table[from]) != 0) {	/* Loop invariants: chars[chi] == 0; */
+	/* chars[chi+1..from] != 0. */
+	uint fchi = chars_head_index(cc->code, cc_pair(cc));
+
+	/* If chi <= fchi < from, we relocate the character. */
+	/* Note that '<=' must take wraparound into account. */
+	if ((chi < from ? chi <= fchi && fchi < from :
+	     chi <= fchi || fchi < from)
+	    ) {
+	    dir->ccache.table[chi] = cc;
+	    dir->ccache.table[from] = 0;
+	    chi = from;
+	}
+	from = (from + 1) & mask;
+    }
+}
+
+/* Shorten a cached character. */
+/* diff >= sizeof(cached_char_head). */
+private void
+shorten_cached_char(gs_font_dir * dir, cached_char * cc, uint diff)
+{
+    gx_bits_cache_shorten((gx_bits_cache *) & dir->ccache, &cc->head,
+			  diff, cc->chunk);
+    if_debug2('K', "[K]shortening creates free block 0x%lx(%u)\n",
+	      (ulong) ((byte *) cc + cc->head.size), diff);
+}
diff --git a/pstoraster/gxchar.h b/pstoraster/gxchar.h
new file mode 100644
index 000000000..682c42501
--- /dev/null
+++ b/pstoraster/gxchar.h
@@ -0,0 +1,190 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal character definition for Ghostscript library */
+/* Requires gsmatrix.h, gxfixed.h */
+
+#ifndef gxchar_INCLUDED
+#  define gxchar_INCLUDED
+
+#include "gschar.h"
+#include "gxtext.h"
+
+/* The type of cached characters is opaque. */
+#ifndef cached_char_DEFINED
+#  define cached_char_DEFINED
+typedef struct cached_char_s cached_char;
+
+#endif
+
+/* The type of cached font/matrix pairs is opaque. */
+#ifndef cached_fm_pair_DEFINED
+#  define cached_fm_pair_DEFINED
+typedef struct cached_fm_pair_s cached_fm_pair;
+
+#endif
+
+/* The type of font objects is opaque. */
+#ifndef gs_font_DEFINED
+#  define gs_font_DEFINED
+typedef struct gs_font_s gs_font;
+
+#endif
+
+/* The types of memory and null devices may be opaque. */
+#ifndef gx_device_memory_DEFINED
+#  define gx_device_memory_DEFINED
+typedef struct gx_device_memory_s gx_device_memory;
+
+#endif
+#ifndef gx_device_null_DEFINED
+#  define gx_device_null_DEFINED
+typedef struct gx_device_null_s gx_device_null;
+
+#endif
+
+/*
+ * Define the stack for composite fonts.
+ * If the current font is not composite, depth = -1.
+ * If the current font is composite, 0 <= depth <= max_font_depth.
+ * items[0] through items[depth] are occupied.
+ * items[0].font is the root font; items[0].index = 0.
+ * The root font must be composite, but may be of any map type.
+ * items[0..N-1] are modal composite fonts, for some N <= depth.
+ * items[N..depth-1] are non-modal composite fonts.
+ * items[depth] is a base (non-composite) font.
+ * Note that if depth >= 0, the font member of the graphics state
+ * for a base font BuildChar/Glyph is the same as items[depth].font.
+ */
+#define max_font_depth 5
+typedef struct gx_font_stack_item_s {
+    gs_font *font;		/* font at this level */
+    uint index;			/* index of this font in parent's */
+    /* Encoding */
+} gx_font_stack_item;
+typedef struct gx_font_stack_s {
+    int depth;
+    gx_font_stack_item items[1 + max_font_depth];
+} gx_font_stack;
+
+/* An enumeration object for string display. */
+typedef enum {
+    sws_none,
+    sws_cache,			/* setcachedevice[2] */
+    sws_no_cache,		/* setcharwidth */
+    sws_cache_width_only	/* setcharwidth for xfont char */
+} show_width_status;
+struct gs_show_enum_s {
+    /* Put this first for subclassing. */
+    gs_text_enum_common;	/* (procs, text, index) */
+
+#define SHOW_IS(penum, op_mask)\
+  (((penum)->text.operation & (op_mask)) != 0)
+#define SHOW_IS_ALL_OF(penum, op_mask)\
+  (((penum)->text.operation & (op_mask)) == (op_mask))
+    /*
+     * The comments next to the following macros indicate the
+     * corresponding test in pre-5.24 filesets.
+     */
+#define SHOW_IS_ADD_TO_ALL(penum)	/* add */\
+  SHOW_IS(penum, TEXT_ADD_TO_ALL_WIDTHS)
+#define SHOW_IS_ADD_TO_SPACE(penum)	/* wchr != no_char */\
+  SHOW_IS(penum, TEXT_ADD_TO_SPACE_WIDTH)
+#define SHOW_IS_DO_KERN(penum)		/* do_kern */\
+  SHOW_IS(penum, TEXT_INTERVENE)
+#define SHOW_IS_XYCSHOW(penum)		/* do_kern < 0 */\
+  (SHOW_IS_DO_KERN(penum) &&\
+   SHOW_IS(penum, TEXT_REPLACE_X_WIDTHS | TEXT_REPLACE_Y_WIDTHS | TEXT_DO_NONE))
+#define SHOW_IS_SLOW(penum)		/* slow_show */\
+  SHOW_IS(penum, TEXT_ADD_TO_ALL_WIDTHS | TEXT_ADD_TO_SPACE_WIDTH | TEXT_INTERVENE)
+#define SHOW_IS_DRAWING(penum)		/* !stringwidth_flag */\
+  !SHOW_IS(penum, TEXT_DO_NONE)
+#define SHOW_IS_STRINGWIDTH(penum)	/* stringwidth_flag > 0 */\
+  SHOW_IS_ALL_OF(penum, TEXT_DO_NONE | TEXT_RETURN_WIDTH)
+
+    /* Following are set at creation time */
+    gs_state *pgs;
+    int level;			/* save the level of pgs */
+    gs_char_path_mode charpath_flag;
+    gs_state *show_gstate;	/* for setting pgs->show_gstate */
+    /* at returns/callouts */
+    int can_cache;		/* -1 if can't use cache at all, */
+    /* 0 if can read but not load, */
+    /* 1 if can read and load */
+    gs_int_rect ibox;		/* int version of quick-check */
+    /* (inner) clipping box */
+    gs_int_rect obox;		/* int version of (outer) clip box */
+    int ftx, fty;		/* transformed font translation */
+    /* Following are updated dynamically */
+        gs_glyph(*encode_char) (P3(gs_show_enum *, gs_font *, gs_char *));
+    /* copied from font, */
+    /* except for glyphshow */
+    gs_log2_scale_point log2_suggested_scale;	/* suggested scaling */
+    /* factors for oversampling, */
+    /* based on FontBBox and CTM */
+    gx_device_memory *dev_cache;	/* cache device */
+    gx_device_memory *dev_cache2;	/* underlying alpha memory device, */
+    /* if dev_cache is an alpha buffer */
+    gx_device_null *dev_null;	/* null device for stringwidth */
+    /*uint index; *//* index within string */
+    gs_char current_char;	/* current char for render or move */
+    gs_glyph current_glyph;	/* current glyph ditto */
+    gs_fixed_point wxy;		/* width of current char */
+    /* in device coords */
+    gs_fixed_point origin;	/* unrounded origin of current char */
+    /* in device coords, needed for */
+    /* charpath and WMode=1 */
+    cached_char *cc;		/* being accumulated */
+    gs_point width;		/* total width of string, set at end */
+    show_width_status width_status;
+    gs_log2_scale_point log2_current_scale;
+    gx_font_stack fstack;
+    int (*continue_proc) (P1(gs_show_enum *));	/* continuation procedure */
+};
+
+#define gs_show_enum_s_DEFINED
+#define private_st_gs_show_enum() /* in gschar.c */\
+  gs_private_st_composite(st_gs_show_enum, gs_show_enum, "gs_show_enum",\
+    show_enum_enum_ptrs, show_enum_reloc_ptrs)
+
+/* Cached character procedures (in gxccache.c and gxccman.c) */
+#ifndef gs_font_dir_DEFINED
+#  define gs_font_dir_DEFINED
+typedef struct gs_font_dir_s gs_font_dir;
+
+#endif
+cached_char *
+            gx_alloc_char_bits(P7(gs_font_dir *, gx_device_memory *, gx_device_memory *, ushort, ushort, const gs_log2_scale_point *, int));
+void gx_open_cache_device(P2(gx_device_memory *, cached_char *));
+void gx_free_cached_char(P2(gs_font_dir *, cached_char *));
+void gx_add_cached_char(P5(gs_font_dir *, gx_device_memory *, cached_char *, cached_fm_pair *, const gs_log2_scale_point *));
+void gx_add_char_bits(P3(gs_font_dir *, cached_char *, const gs_log2_scale_point *));
+cached_char *
+            gx_lookup_cached_char(P5(const gs_font *, const cached_fm_pair *, gs_glyph, int, int));
+cached_char *
+            gx_lookup_xfont_char(P6(const gs_state *, cached_fm_pair *, gs_char, gs_glyph, const gx_xfont_callbacks *, int));
+int gx_image_cached_char(P2(gs_show_enum *, cached_char *));
+
+#endif /* gxchar_INCLUDED */
diff --git a/pstoraster/gxcht.c b/pstoraster/gxcht.c
new file mode 100644
index 000000000..88f4a3118
--- /dev/null
+++ b/pstoraster/gxcht.c
@@ -0,0 +1,710 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color halftone rendering for Ghostscript imaging library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsutil.h"		/* for id generation */
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gzht.h"
+
+/* Define the size of the tile buffer allocated on the stack. */
+#define tile_longs_LARGE 256
+#define tile_longs_SMALL 64
+#if arch_small_memory
+#  define tile_longs_allocated tile_longs_SMALL
+#  define tile_longs tile_longs_SMALL
+#else
+#  define tile_longs_allocated tile_longs_LARGE
+#  define tile_longs\
+     (gs_debug_c('.') ? tile_longs_SMALL : tile_longs_LARGE)
+#endif
+
+/* Define the colored halftone device color type. */
+gs_private_st_ptrs1(st_dc_ht_colored, gx_device_color, "dc_ht_colored",
+    dc_ht_colored_enum_ptrs, dc_ht_colored_reloc_ptrs, colors.colored.c_ht);
+private dev_color_proc_load(gx_dc_ht_colored_load);
+private dev_color_proc_fill_rectangle(gx_dc_ht_colored_fill_rectangle);
+private dev_color_proc_equal(gx_dc_ht_colored_equal);
+const gx_device_color_type_t gx_dc_type_data_ht_colored = {
+    &st_dc_ht_colored,
+    gx_dc_ht_colored_load, gx_dc_ht_colored_fill_rectangle,
+    gx_dc_default_fill_masked, gx_dc_ht_colored_equal
+};
+#undef gx_dc_type_ht_colored
+const gx_device_color_type_t *const gx_dc_type_ht_colored =
+    &gx_dc_type_data_ht_colored;
+#define gx_dc_type_ht_colored (&gx_dc_type_data_ht_colored)
+
+/* Forward references. */
+private void set_ht_colors(P7(gx_color_index[16], gx_strip_bitmap *[4],
+			      const gx_device_color *, gx_device *,
+			      gx_ht_cache *[4], int, int *));
+private void set_color_ht(P9(gx_strip_bitmap *, int, int, int, int, int, int,
+			     const gx_color_index[16],
+			     const gx_strip_bitmap *[4]));
+
+/* Define a table for expanding 8x1 bits to 8x4. */
+private const bits32 expand_8x1_to_8x4[256] = {
+#define x16(c)\
+  c+0, c+1, c+0x10, c+0x11, c+0x100, c+0x101, c+0x110, c+0x111,\
+  c+0x1000, c+0x1001, c+0x1010, c+0x1011, c+0x1100, c+0x1101, c+0x1110, c+0x1111
+    x16(0x00000000), x16(0x00010000), x16(0x00100000), x16(0x00110000),
+    x16(0x01000000), x16(0x01010000), x16(0x01100000), x16(0x01110000),
+    x16(0x10000000), x16(0x10010000), x16(0x10100000), x16(0x10110000),
+    x16(0x11000000), x16(0x11010000), x16(0x11100000), x16(0x11110000)
+#undef x16
+};
+
+/* Prepare to use a colored halftone, by loading the default cache. */
+private int
+gx_dc_ht_colored_load(gx_device_color * pdevc, const gs_imager_state * pis,
+		      gx_device * ignore_dev, gs_color_select_t select)
+{
+    gx_device_halftone *pdht = pis->dev_ht;
+    gx_ht_order *porder = &pdht->components[0].corder;
+    gx_ht_cache *pcache = pis->ht_cache;
+
+    if (pcache->order.bits != porder->bits)
+	gx_ht_init_cache(pcache, porder);
+    /* Set the cache pointers in the default order. */
+    pdht->order.cache = porder->cache = pcache;
+    return 0;
+}
+
+/* Fill a rectangle with a colored halftone. */
+/* Note that we treat this as "texture" for RasterOp. */
+private int
+gx_dc_ht_colored_fill_rectangle(const gx_device_color * pdevc,
+				int x, int y, int w, int h,
+				gx_device * dev, gs_logical_operation_t lop,
+				const gx_rop_source_t * source)
+{
+    ulong tbits[tile_longs_allocated];
+    const uint tile_bytes = tile_longs * size_of(long);
+    gx_strip_bitmap tiles;
+    gx_rop_source_t no_source;
+    const gx_device_halftone *pdht = pdevc->colors.colored.c_ht;
+    int depth = dev->color_info.depth;
+    int nplanes = dev->color_info.num_components;
+    gx_color_index colors[16];
+    gx_strip_bitmap *sbits[4];
+    gx_ht_cache *caches[4];
+    int code = 0;
+    int raster;
+    uint size_x;
+    int dw, dh;
+    int lw = pdht->lcm_width, lh = pdht->lcm_height;
+    int plane_mask;
+    bool no_rop;
+
+    if (w <= 0 || h <= 0)
+	return 0;
+    /* Colored halftone patterns are unconditionally opaque. */
+    lop &= ~lop_T_transparent;
+    tiles.data = (byte *) tbits;
+    if (pdht->components == 0)
+	caches[0] = caches[1] = caches[2] = caches[3] = pdht->order.cache;
+    else {
+	gx_ht_order_component *pocs = pdht->components;
+
+	caches[0] = pocs[pdht->color_indices[0]].corder.cache;
+	caches[1] = pocs[pdht->color_indices[1]].corder.cache;
+	caches[2] = pocs[pdht->color_indices[2]].corder.cache;
+	caches[3] = pocs[pdht->color_indices[3]].corder.cache;
+    }
+    set_ht_colors(colors, sbits, pdevc, dev, caches, nplanes, &plane_mask);
+    if (!(plane_mask & (plane_mask - 1))) {
+	/*
+	 * At most one plane is not solid-color: we can treat this as a
+	 * binary halftone (or, anomalously, a pure color).
+	 */
+	gx_device_color devc;
+
+	if (plane_mask == 0 ) {
+	    color_set_pure(&devc, colors[0]);
+	} else {
+	    int plane = small_exact_log2(plane_mask);
+	    gx_ht_tile tile;
+
+	    tile.tiles = *sbits[plane];	 /* already rendered */
+	    tile.level = pdevc->colors.colored.c_level[plane];
+	    color_set_binary_tile(&devc, colors[0], colors[plane_mask], &tile);
+	    devc.phase = pdevc->phase;
+	}
+	return gx_device_color_fill_rectangle(&devc, x, y, w, h, dev, lop,
+					      source);
+    }
+
+    no_rop = source == NULL && lop_no_S_is_T(lop);
+    /*
+     * If the LCM of the plane cell sizes is smaller than the rectangle
+     * being filled, compute a single tile and let tile_rectangle do the
+     * replication.
+     */
+    if ((w > lw || h > lh) &&
+	(raster = bitmap_raster(lw * depth)) <= tile_bytes / lh
+	) {
+	/*
+	 * The only reason we need to do fit_fill here is that if the
+	 * device is a clipper, the caller might be counting on it to do
+	 * all necessary clipping.  Actually, we should clip against the
+	 * device's clipping box, not the default....
+	 */
+	fit_fill(dev, x, y, w, h);
+	/* Check to make sure we still have a big rectangle. */
+	if (w > lw || h > lh) {
+	    tiles.raster = raster;
+	    tiles.rep_width = tiles.size.x = lw;
+	    tiles.rep_height = tiles.size.y = lh;
+	    tiles.id = gs_next_ids(1);
+	    tiles.rep_shift = tiles.shift = 0;
+	    /* See below for why we need to cast bits. */
+	    set_color_ht(&tiles, 0, 0, lw, lh,
+			 depth, plane_mask, colors,
+			 (const gx_strip_bitmap **)sbits);
+	    if (no_rop)
+		return (*dev_proc(dev, strip_tile_rectangle)) (dev, &tiles,
+							       x, y, w, h,
+				       gx_no_color_index, gx_no_color_index,
+					    pdevc->phase.x, pdevc->phase.y);
+	    if (source == NULL)
+		set_rop_no_source(source, no_source, dev);
+	    return (*dev_proc(dev, strip_copy_rop)) (dev, source->sdata,
+			       source->sourcex, source->sraster, source->id,
+			     (source->use_scolors ? source->scolors : NULL),
+						     &tiles, NULL,
+						     x, y, w, h,
+					     pdevc->phase.x, pdevc->phase.y,
+                                                lop);
+	}
+    }
+    tiles.id = gx_no_bitmap_id;
+    size_x = w * depth;
+    raster = bitmap_raster(size_x);
+    if (raster > tile_bytes) {
+	/*
+	 * We can't even do an entire line at once.  See above for
+	 * why we do the X equivalent of fit_fill here.
+	 */
+	if (x < 0)
+	    w += x, x = 0;
+	if (x > dev->width - w)
+	    w = dev->width - x;
+	if (w <= 0)
+	    return 0;
+	size_x = w * depth;
+	raster = bitmap_raster(size_x);
+	if (raster > tile_bytes) {
+	    /* We'll have to do a partial line. */
+	    dw = tile_bytes * 8 / depth;
+	    size_x = dw * depth;
+	    raster = bitmap_raster(size_x);
+	    dh = 1;
+	    goto fit;
+	}
+    }
+    /* Do as many lines as will fit. */
+    dw = w;
+    dh = tile_bytes / raster;
+    if (dh > h)
+	dh = h;
+fit:				/* Now the tile will definitely fit. */
+    tiles.raster = raster;
+    tiles.rep_width = tiles.size.x = size_x / depth;
+    tiles.rep_shift = tiles.shift = 0;
+    while (w) {
+	int cy = y, ch = dh, left = h;
+
+	tiles.rep_height = tiles.size.y = ch;
+	for (;;) {
+	    /*
+	     * The cast in the following statement is bogus,
+	     * but some compilers won't accept an array type,
+	     * and won't accept the ** type without a cast.
+	     */
+	    set_color_ht(&tiles, x + pdevc->phase.x, cy + pdevc->phase.y,
+			 dw, ch, depth, plane_mask, colors,
+			 (const gx_strip_bitmap **)sbits);
+	    if (no_rop) {
+		code = (*dev_proc(dev, copy_color))
+		    (dev, tiles.data, 0, raster, gx_no_bitmap_id,
+		     x, cy, dw, ch);
+	    } else {
+                if (source == NULL)
+                    set_rop_no_source(source, no_source, dev);
+	        return (*dev_proc(dev, strip_copy_rop))
+		    (dev, source->sdata, source->sourcex, source->sraster,
+		     source->id,
+		     (source->use_scolors ? source->scolors : NULL),
+		     &tiles, NULL, x, cy, dw, ch, 0, 0, lop);
+	    }
+	    if (code < 0)
+		return code;
+	    if (!(left -= ch))
+		break;
+	    cy += ch;
+	    if (ch > left)
+		tiles.rep_height = tiles.size.y = ch = left;
+	}
+	if (!(w -= dw))
+	    break;
+	x += dw;
+	if (dw > w)
+	    dw = w, tiles.rep_width = tiles.size.x = size_x / depth;
+    }
+    return code;
+}
+
+/*
+ * We construct color halftone tiles out of 3 or 4 "planes".
+ * Each plane specifies halftoning for one component (R/G/B or C/M/Y/K).
+ */
+
+private const ulong ht_no_bitmap_data[] = {
+    0, 0, 0, 0, 0, 0, 0, 0
+};
+private gx_strip_bitmap ht_no_bitmap;
+private const gx_strip_bitmap ht_no_bitmap_init = {
+    0, sizeof(ulong),
+    {sizeof(ulong) * 8, countof(ht_no_bitmap_data)},
+    gx_no_bitmap_id, 1, 1, 0, 0
+};
+
+void
+gs_gxcht_init(gs_memory_t *mem)
+{
+    ht_no_bitmap = ht_no_bitmap_init;
+    ht_no_bitmap.data = (byte *)ht_no_bitmap_data;	/* actually const */
+}
+
+/* Set up the colors and the individual plane halftone bitmaps. */
+private void
+set_ht_colors(gx_color_index colors[16], gx_strip_bitmap * sbits[4],
+	      const gx_device_color * pdc, gx_device * dev,
+	      gx_ht_cache * caches[4], int nplanes, int *pmask)
+{
+    gx_color_value v[2][4];
+    gx_color_value max_color = dev->color_info.dither_colors - 1;
+    int plane_mask = 0;
+    /*
+     * NB: the halftone orders are all set up for an additive color space.
+     *     To use these work with a cmyk color space, it is necessary to
+     *     invert both the color level and the color pair. Note that if the
+     *     original color was provided an additive space, this will reverse
+     *     (in an approximate sense) the color conversion performed to
+     *     express the color in cmyk space.
+     */
+    bool invert = dev->color_info.num_components == 4;  /****** HACK ******/
+
+#define set_plane_color(i)\
+  BEGIN\
+    uint q = pdc->colors.colored.c_base[i];\
+    uint r = pdc->colors.colored.c_level[i];\
+\
+    v[0][i] = fractional_color(q, max_color);\
+    if (r == 0)\
+	v[1][i] = v[0][i], sbits[i] = &ht_no_bitmap;\
+    else if (!invert) {\
+	v[1][i] = fractional_color(q + 1, max_color);\
+	sbits[i] = &gx_render_ht(caches[i], r)->tiles;\
+	plane_mask |= 1 << (i);\
+    } else {                                                        \
+	const gx_device_halftone *  pdht = pdc->colors.colored.c_ht;\
+	int                         nlevels = 0;                    \
+                                                                    \
+	nlevels = pdht->components[pdht->color_indices[i]].corder.num_levels;\
+	v[1][i] = v[0][i];                                          \
+	v[0][i] = fractional_color(q + 1, max_color);               \
+	sbits[i] = &gx_render_ht(caches[i], nlevels - r)->tiles;    \
+	plane_mask |= 1 << (i);                                     \
+    }\
+  END
+#define map8(m) m(0), m(1), m(2), m(3), m(4), m(5), m(6), m(7)
+    set_plane_color(0);
+    set_plane_color(1);
+    set_plane_color(2);
+    if (nplanes == 3) {
+#define map_rgb(i)\
+  colors[i] = map1rgb(v[(i) & 1][0], v[((i) & 2) >> 1][1], v[(i) >> 2][2])
+	gx_color_value alpha = pdc->colors.colored.alpha;
+
+	if (alpha == gx_max_color_value) {
+#ifdef DEBUG
+#  define map1rgb(r, g, b) gx_map_rgb_color(dev, r, g, b)
+#else
+	    dev_proc_map_rgb_color((*map)) =
+		dev_proc(dev, map_rgb_color);
+#  define map1rgb(r, g, b) (*map)(dev, r, g, b)
+#endif
+	    map8(map_rgb);
+#undef map1rgb
+	} else {
+#ifdef DEBUG
+#  define map1rgb(r, g, b) gx_map_rgb_alpha_color(dev, r, g, b, alpha)
+#else
+	    dev_proc_map_rgb_alpha_color((*map)) =
+		dev_proc(dev, map_rgb_alpha_color);
+#  define map1rgb(r, g, b) (*map)(dev, r, g, b, alpha)
+#endif
+	    map8(map_rgb);
+#undef map1rgb
+	}
+    } else {
+#define map_cmyk(i)\
+  colors[i] = map1cmyk(v[(i) & 1][0], v[((i) & 2) >> 1][1],\
+		       v[((i) & 4) >> 2][2], v[(i) >> 3][3])
+#ifdef DEBUG
+#  define map1cmyk(r, g, b, w) gx_map_cmyk_color(dev, r, g, b, w)
+#else
+	dev_proc_map_cmyk_color((*map)) =
+	    dev_proc(dev, map_cmyk_color);
+#  define map1cmyk(r, g, b, w) (*map)(dev, r, g, b, w)
+#endif
+	set_plane_color(3);
+	/*
+	 * For CMYK output, especially if the input was RGB, it's
+	 * common for one or more of the components to be zero.
+	 * Each zero component can cut the cost of color mapping in
+	 * half, so it's worth doing a little checking here.
+	 */
+#define m(i) map_cmyk(i)
+	switch (plane_mask) {
+	    case 15:
+		m(15); m(14); m(13); m(12);
+		m(11); m(10); m(9); m(8);
+	    case 7:
+		m(7); m(6); m(5); m(4);
+c3:	    case 3:
+		m(3); m(2);
+c1:	    case 1:
+		m(1);
+		break;
+	    case 14:
+		m(14); m(12); m(10); m(8);
+	    case 6:
+		m(6); m(4);
+c2:	    case 2:
+		m(2);
+		break;
+	    case 13:
+		m(13); m(12); m(9); m(8);
+	    case 5:
+		m(5); m(4);
+		goto c1;
+	    case 12:
+		m(12); m(8);
+	    case 4:
+		m(4);
+		break;
+	    case 11:
+		m(11); m(10); m(9); m(8);
+		goto c3;
+	    case 10:
+		m(10); m(8);
+		goto c2;
+	    case 9:
+		m(9); m(8);
+		goto c1;
+	    case 8:
+		m(8);
+		break;
+	    case 0:;
+	}
+	m(0);
+#undef m
+#undef map1cmyk
+    }
+#undef map8
+#undef set_plane_color
+    *pmask = plane_mask;
+}
+
+/* Define the bookkeeping structure for each plane of halftone rendering. */
+typedef struct tile_cursor_s {
+    int tile_shift;		/* X shift per copy of tile */
+    int xoffset;
+    int xshift;
+    uint xbytes;
+    int xbits;
+    const byte *row;
+    const byte *tdata;
+    uint raster;
+    const byte *data;
+    int bit_shift;
+} tile_cursor_t;
+
+/* Initialize one plane cursor. */
+private void
+init_tile_cursor(int i, tile_cursor_t *ptc, const gx_strip_bitmap *btile,
+		 int endx, int lasty)
+{
+    int tw = btile->size.x;
+    int bx = ((ptc->tile_shift = btile->shift) == 0 ? endx :
+	      endx + lasty / btile->size.y * ptc->tile_shift) % tw;
+    int by = lasty % btile->size.y;
+
+    ptc->xoffset = bx >> 3;
+    ptc->xshift = 8 - (bx & 7);
+    ptc->xbytes = (tw - 1) >> 3;
+    ptc->xbits = ((tw - 1) & 7) + 1;
+    ptc->tdata = btile->data;
+    ptc->raster = btile->raster;
+    ptc->row = ptc->tdata + by * ptc->raster;
+    if_debug5('h', "[h]plane %d: size=%d,%d bx=%d by=%dn",
+	      i, tw, btile->size.y, bx, by);
+}
+
+/* Render the combined halftone. */
+private void
+     set_color_ht(
+		     gx_strip_bitmap * ctiles,	/* the output tile; data, raster, size are set */
+		     int px,	/* the initial phase of the output tile */
+		     int py,
+		     int w,	/* how much of the tile to set */
+		     int h,
+		     int depth,	/* depth of tile (4, 8, 16, 24, 32) */
+		     int plane_mask,	/* which planes are halftoned */
+		     const gx_color_index colors[16],	/* the actual colors for the tile, */
+				/* actually [1 << nplanes] */
+		     const gx_strip_bitmap * sbits[4]	/* the bitmaps for the planes, */
+				/* actually [nplanes] */
+) {
+    /* Note that the planes are specified in the order RGB or CMYK, but */
+    /* the indices used for the internal colors array are BGR or KYMC. */
+
+    int x, y;
+    tile_cursor_t cursor[4];
+    int dbytes = depth >> 3;
+    uint dest_raster = ctiles->raster;
+    byte *dest_row =
+	ctiles->data + dest_raster * (h - 1) + (w * depth) / 8;
+
+    if_debug6('h',
+	      "[h]color_ht: x=%d y=%d w=%d h=%d plane_mask=%d depth=%d\n",
+	      px, py, w, h, plane_mask, depth);
+
+    /* Do one-time cursor initialization. */
+    {
+	int endx = w + px;
+	int lasty = h - 1 + py;
+
+	if (plane_mask & 1)
+	    init_tile_cursor(0, &cursor[0], sbits[0], endx, lasty);
+	if (plane_mask & 2)
+	    init_tile_cursor(1, &cursor[1], sbits[1], endx, lasty);
+	if (plane_mask & 4)
+	    init_tile_cursor(2, &cursor[2], sbits[2], endx, lasty);
+	if (plane_mask & 8)
+	    init_tile_cursor(3, &cursor[3], sbits[3], endx, lasty);
+    }
+
+    /* Now compute the actual tile. */
+    for (y = h; ; dest_row -= dest_raster) {
+	byte *dest = dest_row;
+
+#define set_row(c)\
+    (c.data = c.row + c.xoffset,\
+     c.bit_shift = c.xshift)
+	if (plane_mask & 1)
+	    set_row(cursor[0]);
+	if (plane_mask & 2)
+	    set_row(cursor[1]);
+	if (plane_mask & 4)
+	    set_row(cursor[2]);
+	if (plane_mask & 8)
+	    set_row(cursor[3]);
+#undef set_row
+	--y;
+	for (x = w; x > 0;) {
+	    bits32 indices;
+	    int nx, i;
+	    register uint bits;
+
+/* Get the next byte's worth of bits.  Note that there may be */
+/* excess bits set beyond the 8th. */
+#define next_bits(c)\
+{	if ( c.data > c.row )\
+	{	bits = ((c.data[-1] << 8) | *c.data) >> c.bit_shift;\
+		c.data--;\
+	}\
+	else\
+	{	bits = *c.data >> c.bit_shift;\
+		c.data += c.xbytes;\
+		if ( (c.bit_shift -= c.xbits) < 0 )\
+		{	bits |= *c.data << -c.bit_shift;\
+			c.bit_shift += 8;\
+		}\
+		else\
+		{	bits |= ((c.data[-1] << 8) | *c.data) >> c.bit_shift;\
+			c.data--;\
+		}\
+	}\
+}
+	    if (plane_mask & 1) {
+		next_bits(cursor[0]);
+		indices = expand_8x1_to_8x4[bits & 0xff];
+	    } else
+		indices = 0;
+	    if (plane_mask & 2) {
+		next_bits(cursor[1]);
+		indices |= expand_8x1_to_8x4[bits & 0xff] << 1;
+	    }
+	    if (plane_mask & 4) {
+		next_bits(cursor[2]);
+		indices |= expand_8x1_to_8x4[bits & 0xff] << 2;
+	    }
+	    if (plane_mask & 8) {
+		next_bits(cursor[3]);
+		indices |= expand_8x1_to_8x4[bits & 0xff] << 3;
+	    }
+#undef next_bits
+	    nx = min(x, 8);	/* 1 <= nx <= 8 */
+	    x -= nx;
+	    switch (dbytes) {
+		case 0:	/* 4 */
+		    i = nx;
+		    if ((x + nx) & 1) {
+			/* First pixel is even nibble. */
+			*dest = (*dest & 0xf) +
+			    ((byte)colors[indices & 0xf] << 4);
+			indices >>= 4;
+			--i;
+		    }
+		    /* Now 0 <= i <= 8. */
+		    for (; (i -= 2) >= 0; indices >>= 8)
+			*--dest =
+			    (byte)colors[indices & 0xf] +
+			    ((byte)colors[(indices >> 4) & 0xf]
+			     << 4);
+		    /* Check for final odd nibble. */
+		    if (i & 1)
+			*--dest = (byte)colors[indices & 0xf];
+		    break;
+		case 4:	/* 32 */
+		    for (i = nx; --i >= 0; indices >>= 4) {
+			bits32 tcolor = (bits32)colors[indices & 0xf];
+
+			dest -= 4;
+			dest[3] = (byte)tcolor;
+			dest[2] = (byte)(tcolor >> 8);
+			tcolor >>= 16;
+			dest[1] = (byte)tcolor;
+			dest[0] = (byte)(tcolor >> 8);
+		    }
+		    break;
+		case 3:	/* 24 */
+		    for (i = nx; --i >= 0; indices >>= 4) {
+			bits32 tcolor = (bits32)colors[indices & 0xf];
+
+			dest -= 3;
+			dest[2] = (byte) tcolor;
+			dest[1] = (byte)(tcolor >> 8);
+			dest[0] = (byte)(tcolor >> 16);
+		    }
+		    break;
+		case 2:	/* 16 */
+		    for (i = nx; --i >= 0; indices >>= 4) {
+			uint tcolor =
+			    (uint)colors[indices & 0xf];
+
+			dest -= 2;
+			dest[1] = (byte)tcolor;
+			dest[0] = (byte)(tcolor >> 8);
+		    }
+		    break;
+		case 1:	/* 8 */
+		    for (i = nx; --i >= 0; indices >>= 4)
+			*--dest = (byte)colors[indices & 0xf];
+		    break;
+	    }
+	}
+	if (y == 0)
+	    break;
+
+#define step_row(c, i)\
+  BEGIN\
+  if ( c.row > c.tdata )\
+    c.row -= c.raster;\
+  else	/* wrap around to end of tile, taking shift into account */\
+    { c.row += c.raster * (sbits[i]->size.y - 1);\
+      if ( c.tile_shift )\
+	{ if ( (c.xshift += c.tile_shift) >= 8 )\
+	    { if ( (c.xoffset -= c.xshift >> 3) < 0 )\
+		{ /* wrap around in X */\
+		  int bx = (c.xoffset << 3) + 8 - (c.xshift & 7) +\
+		    sbits[i]->size.x;\
+		  c.xoffset = bx >> 3;\
+		  c.xshift = 8 - (bx & 7);\
+		}\
+	      else\
+		c.xshift &= 7;\
+	    }\
+	}\
+    }\
+    END
+
+	if (plane_mask & 1)
+	    step_row(cursor[0], 0);
+	if (plane_mask & 2)
+	    step_row(cursor[1], 1);
+	if (plane_mask & 4)
+	    step_row(cursor[2], 2);
+	if (plane_mask & 8)
+	    step_row(cursor[3], 3);
+#undef step_row
+    }
+}
+
+/* Compare two colored halftones for equality. */
+private bool
+gx_dc_ht_colored_equal(const gx_device_color * pdevc1,
+		       const gx_device_color * pdevc2)
+{
+    uint num_comp;
+
+    if (pdevc2->type != pdevc1->type ||
+	pdevc1->colors.colored.c_ht != pdevc2->colors.colored.c_ht ||
+	pdevc1->colors.colored.alpha != pdevc2->colors.colored.alpha ||
+	pdevc1->phase.x != pdevc2->phase.x ||
+	pdevc1->phase.y != pdevc2->phase.y
+	)
+	return false;
+    num_comp = pdevc1->colors.colored.c_ht->num_comp;
+    return
+	!memcmp(pdevc1->colors.colored.c_base,
+		pdevc2->colors.colored.c_base,
+		num_comp * sizeof(pdevc1->colors.colored.c_base[0])) &&
+	!memcmp(pdevc1->colors.colored.c_level,
+		pdevc2->colors.colored.c_level,
+		num_comp * sizeof(pdevc1->colors.colored.c_level[0]));
+}
diff --git a/pstoraster/gxcindex.h b/pstoraster/gxcindex.h
new file mode 100644
index 000000000..195c28813
--- /dev/null
+++ b/pstoraster/gxcindex.h
@@ -0,0 +1,91 @@
+/* Copyright (C) 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Define the device color index type and macros */
+
+#ifndef gxcindex_INCLUDED
+#  define gxcindex_INCLUDED
+
+#include "gsbitops.h"		/* for sample_store macros */
+
+/*
+ * Internally, a (pure) device color is represented by opaque values of
+ * type gx_color_index, which are tied to the specific device.  The driver
+ * maps between these values and RGB[alpha] or CMYK values.  In this way,
+ * the driver can convert RGB values to its most natural color representation,
+ * and have the graphics library cache the result.
+ */
+
+/* Define the type for device color indices. */
+typedef unsigned long gx_color_index;
+
+#define arch_log2_sizeof_color_index arch_log2_sizeof_long
+#define arch_sizeof_color_index arch_sizeof_long
+
+/* Define the 'transparent' color index. */
+#define gx_no_color_index_value (-1)	/* no cast -> can be used in #if */
+
+/* The SGI C compiler provided with Irix 5.2 gives error messages */
+/* if we use the proper definition of gx_no_color_index: */
+/*#define gx_no_color_index ((gx_color_index)gx_no_color_index_value) */
+/* Instead, we must spell out the typedef: */
+#define gx_no_color_index ((unsigned long)gx_no_color_index_value)
+
+/*
+ * Define macros for accumulating a scan line of a colored image.
+ * The usage is as follows:
+ *      declare_line_accum(line, bpp, xo);
+ *      for ( x = xo; x < xe; ++x )
+ *        {     << compute color at x >>
+ *              line_accum(color, bpp);
+ *        }
+ *      line_accum_copy(dev, line, bpp, xo, xe, raster, y);
+ * This code must be enclosed in { }, since declare_line_accum declares
+ * variables.  Supported values of bpp are 1, 2, 4, 8, 12, 16, 24, 32.
+ *
+ * Note that declare_line_accum declares the variables l_dptr, l_dbyte, l_dbit,
+ * and l_xprev.  Other code in the loop may use these variables.
+ */
+#define declare_line_accum(line, bpp, xo)\
+	sample_store_declare_setup(l_dptr, l_dbit, l_dbyte, line, 0, bpp);\
+	int l_xprev = (xo)
+#define line_accum(color, bpp)\
+	sample_store_next32(color, l_dptr, l_dbit, bpp, l_dbyte)
+#define line_accum_skip(bpp)\
+	sample_store_skip_next(l_dptr, l_dbit, bpp, l_dbyte)
+#define line_accum_store(bpp)\
+	sample_store_flush(l_dptr, l_dbit, bpp, l_dbyte)
+#define line_accum_copy(dev, line, bpp, xo, xe, raster, y)\
+	if ( (xe) > l_xprev )\
+	  { int code;\
+	    line_accum_store(bpp);\
+	    code = (*dev_proc(dev, copy_color))\
+	      (dev, line, l_xprev - (xo), raster,\
+	       gx_no_bitmap_id, l_xprev, y, (xe) - l_xprev, 1);\
+	    if ( code < 0 )\
+	      return code;\
+	  }
+
+#endif /* gxcindex_INCLUDED */
diff --git a/pstoraster/gxclbits.c b/pstoraster/gxclbits.c
new file mode 100644
index 000000000..e827fa40a
--- /dev/null
+++ b/pstoraster/gxclbits.c
@@ -0,0 +1,740 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Halftone and bitmap writing for command lists */
+#include "memory_.h"
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsbitops.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxfmap.h"
+
+/*
+ * Define when, if ever, to write character bitmaps in all bands.
+ * Set this to:
+ *      0 to always write in all bands;
+ *      N to write in all bands when the character has been seen in N+1
+ *         bands on a page;
+ *      max_ushort to never write in all bands.
+ */
+#define CHAR_ALL_BANDS_COUNT max_ushort
+
+/* ------ Writing ------ */
+
+/*
+ * Determine the (possibly unpadded) width in bytes for writing a bitmap,
+ * per the algorithm in gxcldev.h.  If compression_mask has any of the
+ * cmd_mask_compress_any bits set, we assume the bitmap will be compressed.
+ * Return the total size of the bitmap.
+ */
+uint
+clist_bitmap_bytes(uint width_bits, uint height, int compression_mask,
+		   uint * width_bytes, uint * raster)
+{
+    uint full_raster = *raster = bitmap_raster(width_bits);
+    uint short_raster = (width_bits + 7) >> 3;
+    uint width_bytes_last;
+
+    if (compression_mask & cmd_mask_compress_any)
+	*width_bytes = width_bytes_last = full_raster;
+    else if (short_raster <= cmd_max_short_width_bytes ||
+	     height <= 1 ||
+	     (compression_mask & decompress_spread) != 0
+	)
+	*width_bytes = width_bytes_last = short_raster;
+    else
+	*width_bytes = full_raster, width_bytes_last = short_raster;
+    return
+	(height == 0 ? 0 : *width_bytes * (height - 1) + width_bytes_last);
+}
+
+/*
+ * Compress a bitmap, skipping extra padding bytes at the end of each row if
+ * necessary.  We require height >= 1, raster >= bitmap_raster(width_bits).
+ */
+private int
+cmd_compress_bitmap(stream_state * st, const byte * data, uint width_bits,
+		    uint raster, uint height, stream_cursor_write * pw)
+{
+    uint width_bytes = bitmap_raster(width_bits);
+    int status = 0;
+    stream_cursor_read r;
+
+    r.ptr = data - 1;
+    if (raster == width_bytes) {
+	r.limit = r.ptr + raster * height;
+	status = (*st->template->process) (st, &r, pw, true);
+    } else {			/* Compress row-by-row. */
+	uint y;
+
+	for (y = 1; (r.limit = r.ptr + width_bytes), y < height; ++y) {
+	    status = (*st->template->process) (st, &r, pw, false);
+	    if (status)
+		break;
+	    if (r.ptr != r.limit) {	/* We don't attempt to handle compressors that */
+		/* require >1 input byte to make progress. */
+		status = -1;
+		break;
+	    }
+	    r.ptr += raster - width_bytes;
+	}
+	if (status == 0)
+	    status = (*st->template->process) (st, &r, pw, true);
+    }
+    if (st->template->release)
+	(*st->template->release) (st);
+    return status;
+}
+
+/*
+ * Put a bitmap in the buffer, compressing if appropriate.
+ * pcls == 0 means put the bitmap in all bands.
+ * Return <0 if error, otherwise the compression method.
+ * A return value of gs_error_limitcheck means that the bitmap was too big
+ * to fit in the command reading buffer.
+ * Note that this leaves room for the command and initial arguments,
+ * but doesn't fill them in.
+ */
+int
+cmd_put_bits(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+  const byte * data, uint width_bits, uint height, uint raster, int op_size,
+	     int compression_mask, byte ** pdp, uint * psize)
+{
+    uint short_raster, full_raster;
+    uint short_size =
+    clist_bitmap_bytes(width_bits, height,
+		       compression_mask & ~cmd_mask_compress_any,
+		       &short_raster, &full_raster);
+    uint uncompressed_raster;
+    uint uncompressed_size =
+    clist_bitmap_bytes(width_bits, height, compression_mask,
+		       &uncompressed_raster, &full_raster);
+    uint max_size = cbuf_size - op_size;
+    gs_memory_t *mem = (cldev->memory ? cldev->memory : &gs_memory_default);
+    byte *dp;
+    int compress = 0;
+
+    /*
+     * See if compressing the bits is possible and worthwhile.
+     * Currently we can't compress if the compressed data won't fit in
+     * the command reading buffer, or if the decompressed data won't fit
+     * in the buffer and decompress_elsewhere isn't set.
+     */
+    if (short_size >= 50 &&
+	(compression_mask & cmd_mask_compress_any) != 0 &&
+	(uncompressed_size <= max_size ||
+	 (compression_mask & decompress_elsewhere) != 0)
+	) {
+	union ss_ {
+	    stream_state ss;
+	    stream_CFE_state cf;
+	    stream_RLE_state rl;
+	} sstate;
+	int code;
+
+	*psize = op_size + uncompressed_size;
+	code = (pcls != 0 ?
+		set_cmd_put_op(dp, cldev, pcls, 0, *psize) :
+		set_cmd_put_all_op(dp, cldev, 0, *psize));
+	if (code < 0)
+	    return code;
+	cmd_uncount_op(0, *psize);
+	/*
+	 * Note that we currently keep all the padding if we are
+	 * compressing.  This is ridiculous, but it's too hard to
+	 * change right now.
+	 */
+	if (compression_mask & (1 << cmd_compress_cfe)) {
+	    /* Try CCITTFax compression. */
+	    clist_cfe_init(&sstate.cf,
+			   uncompressed_raster << 3 /*width_bits*/,
+			   mem);
+	    sstate.ss.template = &s_CFE_template;
+	    compress = cmd_compress_cfe;
+	} else if (compression_mask & (1 << cmd_compress_rle)) {
+	    /* Try RLE compression. */
+	    clist_rle_init(&sstate.rl);
+	    sstate.ss.template = &s_RLE_template;
+	    compress = cmd_compress_rle;
+	}
+	if (compress) {
+	    byte *wbase = dp + (op_size - 1);
+	    stream_cursor_write w;
+
+	    /*
+	     * We can give up on compressing if we generate too much
+	     * output to fit in the command reading buffer, or too
+	     * much to make compression worthwhile.
+	     */
+	    uint wmax = min(uncompressed_size, max_size);
+	    int status;
+
+	    w.ptr = wbase;
+	    w.limit = w.ptr + min(wmax, short_size >> 1);
+	    status = cmd_compress_bitmap((stream_state *) & sstate, data,
+				  uncompressed_raster << 3 /*width_bits */ ,
+					 raster, height, &w);
+	    if (status == 0) {	/* Use compressed representation. */
+		uint wcount = w.ptr - wbase;
+
+		cmd_shorten_list_op(cldev,
+			     (pcls ? &pcls->list : &cldev->band_range_list),
+				    uncompressed_size - wcount);
+		*psize = op_size + wcount;
+		goto out;
+	    }
+	}
+	if (uncompressed_size > max_size) {
+	    cmd_shorten_list_op(cldev,
+			     (pcls ? &pcls->list : &cldev->band_range_list),
+				*psize);
+	    return_error(gs_error_limitcheck);
+	}
+	if (uncompressed_size != short_size) {
+	    cmd_shorten_list_op(cldev,
+			     (pcls ? &pcls->list : &cldev->band_range_list),
+				uncompressed_size - short_size);
+	    *psize = op_size + short_size;
+	}
+	compress = 0;
+    } else if (uncompressed_size > max_size)
+	return_error(gs_error_limitcheck);
+    else {
+	int code;
+
+	*psize = op_size + short_size;
+	code = (pcls != 0 ?
+		set_cmd_put_op(dp, cldev, pcls, 0, *psize) :
+		set_cmd_put_all_op(dp, cldev, 0, *psize));
+	if (code < 0)
+	    return code;
+	cmd_uncount_op(0, *psize);
+    }
+    bytes_copy_rectangle(dp + op_size, short_raster, data, raster,
+			 short_raster, height);
+out:
+    *pdp = dp;
+    return compress;
+}
+
+/* Add a command to set the tile size and depth. */
+private uint
+cmd_size_tile_params(const gx_strip_bitmap * tile)
+{
+    return 2 + cmd_size_w(tile->rep_width) + cmd_size_w(tile->rep_height) +
+	(tile->rep_width == tile->size.x ? 0 :
+	 cmd_size_w(tile->size.x / tile->rep_width)) +
+	(tile->rep_height == tile->size.y ? 0 :
+	 cmd_size_w(tile->size.y / tile->rep_height)) +
+	(tile->rep_shift == 0 ? 0 : cmd_size_w(tile->rep_shift));
+}
+private void
+cmd_store_tile_params(byte * dp, const gx_strip_bitmap * tile, int depth,
+		      uint csize)
+{
+    byte *p = dp + 2;
+    byte bd = depth - 1;
+
+    *dp = cmd_count_op(cmd_opv_set_tile_size, csize);
+    p = cmd_put_w(tile->rep_width, p);
+    p = cmd_put_w(tile->rep_height, p);
+    if (tile->rep_width != tile->size.x) {
+	p = cmd_put_w(tile->size.x / tile->rep_width, p);
+	bd |= 0x20;
+    }
+    if (tile->rep_height != tile->size.y) {
+	p = cmd_put_w(tile->size.y / tile->rep_height, p);
+	bd |= 0x40;
+    }
+    if (tile->rep_shift != 0) {
+	cmd_put_w(tile->rep_shift, p);
+	bd |= 0x80;
+    }
+    dp[1] = bd;
+}
+
+/* Add a command to set the tile index. */
+/* This is a relatively high-frequency operation, so we declare it `inline'. */
+inline private int
+cmd_put_tile_index(gx_device_clist_writer *cldev, gx_clist_state *pcls,
+		   uint indx)
+{
+    int idelta = indx - pcls->tile_index + 8;
+    byte *dp;
+    int code;
+
+    if (!(idelta & ~15)) {
+	code = set_cmd_put_op(dp, cldev, pcls,
+			      cmd_op_delta_tile_index + idelta, 1);
+	if (code < 0)
+	    return code;
+    } else {
+	code = set_cmd_put_op(dp, cldev, pcls,
+			      cmd_op_set_tile_index + (indx >> 8), 2);
+	if (code < 0)
+	    return code;
+	dp[1] = indx & 0xff;
+    }
+    if_debug2('L', "[L]writing index=%u, offset=%lu\n",
+	      indx, cldev->tile_table[indx].offset);
+    return 0;
+}
+
+/* If necessary, write out data for a single color map. */
+int
+cmd_put_color_map(gx_device_clist_writer * cldev, cmd_map_index map_index,
+		  const gx_transfer_map * map, gs_id * pid)
+{
+    byte *dp;
+    int code;
+
+    if (map == 0) {
+	if (pid && *pid == gs_no_id)
+	    return 0;	/* no need to write */
+	code = set_cmd_put_all_op(dp, cldev, cmd_opv_set_misc, 2);
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc_map + map_index;
+	if (pid)
+	    *pid = gs_no_id;
+    } else {
+	if (pid && map->id == *pid)
+	    return 0;	/* no need to write */
+	code = set_cmd_put_all_op(dp, cldev, cmd_opv_set_misc,
+				  2 + sizeof(map->values));
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc_map + 0x20 + map_index;
+	memcpy(dp + 2, map->values, sizeof(map->values));
+	if (pid)
+	    *pid = map->id;
+    }
+    return 0;
+}
+
+/* ------ Tile cache management ------ */
+
+/* We want consecutive ids to map to consecutive hash slots if possible, */
+/* so we can use a delta representation when setting the index. */
+/* NB that we cannot emit 'delta' style tile indices if VM error recovery */
+/* is in effect, since reader & writer's tile indices may get out of phase */
+/* as a consequence of error recovery occurring. */
+#define tile_id_hash(id) (id)
+#define tile_hash_next(index) ((index) + 413)	/* arbitrary large odd # */
+typedef struct tile_loc_s {
+    uint index;
+    tile_slot *tile;
+} tile_loc;
+
+/* Look up a tile or character in the cache.  If found, set the index and */
+/* pointer; if not, set the index to the insertion point. */
+private bool
+clist_find_bits(gx_device_clist_writer * cldev, gx_bitmap_id id, tile_loc * ploc)
+{
+    uint index = tile_id_hash(id);
+    const tile_hash *table = cldev->tile_table;
+    uint mask = cldev->tile_hash_mask;
+    ulong offset;
+
+    for (; (offset = table[index &= mask].offset) != 0;
+	 index = tile_hash_next(index)
+	) {
+	tile_slot *tile = (tile_slot *) (cldev->data + offset);
+
+	if (tile->id == id) {
+	    ploc->index = index;
+	    ploc->tile = tile;
+	    return true;
+	}
+    }
+    ploc->index = index;
+    return false;
+}
+
+/* Delete a tile from the cache. */
+private void
+clist_delete_tile(gx_device_clist_writer * cldev, tile_slot * slot)
+{
+    tile_hash *table = cldev->tile_table;
+    uint mask = cldev->tile_hash_mask;
+    uint index = slot->index;
+    ulong offset;
+
+    if_debug2('L', "[L]deleting index=%u, offset=%lu\n",
+	      index, (ulong) ((byte *) slot - cldev->data));
+    gx_bits_cache_free(&cldev->bits, (gx_cached_bits_head *) slot,
+		       &cldev->chunk);
+    table[index].offset = 0;
+    /* Delete the entry from the hash table. */
+    /* We'd like to move up any later entries, so that we don't need */
+    /* a deleted mark, but it's too difficult to note this in the */
+    /* band list, so instead, we just delete any entries that */
+    /* would need to be moved. */
+    while ((offset = table[index = tile_hash_next(index) & mask].offset) != 0) {
+	tile_slot *tile = (tile_slot *) (cldev->data + offset);
+	tile_loc loc;
+
+	if (!clist_find_bits(cldev, tile->id, &loc)) {	/* We didn't find it, so it should be moved into a slot */
+	    /* that we just vacated; instead, delete it. */
+	    if_debug2('L', "[L]move-deleting index=%u, offset=%lu\n",
+		      index, offset);
+	    gx_bits_cache_free(&cldev->bits,
+			     (gx_cached_bits_head *) (cldev->data + offset),
+			       &cldev->chunk);
+	    table[index].offset = 0;
+	}
+    }
+}
+
+/* Add a tile to the cache. */
+/* tile->raster holds the raster for the replicated tile; */
+/* we pass the raster of the actual data separately. */
+private int
+clist_add_tile(gx_device_clist_writer * cldev, const gx_strip_bitmap * tiles,
+	       uint sraster, int depth)
+{
+    uint raster = tiles->raster;
+    uint size_bytes = raster * tiles->size.y;
+    uint tsize =
+    sizeof(tile_slot) + cldev->tile_band_mask_size + size_bytes;
+    gx_cached_bits_head *slot_head;
+
+#define slot ((tile_slot *)slot_head)
+
+    if (cldev->bits.csize == cldev->tile_max_count) {	/* Don't let the hash table get too full: delete an entry. */
+	/* Since gx_bits_cache_alloc returns an entry to delete when */
+	/* it fails, just force it to fail. */
+	gx_bits_cache_alloc(&cldev->bits, (ulong) cldev->chunk.size,
+			    &slot_head);
+	if (slot_head == 0) {	/* Wrap around and retry. */
+	    cldev->bits.cnext = 0;
+	    gx_bits_cache_alloc(&cldev->bits, (ulong) cldev->chunk.size,
+				&slot_head);
+#ifdef DEBUG
+	    if (slot_head == 0) {
+		lprintf("No entry to delete!\n");
+		return_error(gs_error_Fatal);
+	    }
+#endif
+	}
+	clist_delete_tile(cldev, slot);
+    }
+    /* Allocate the space for the new entry, deleting entries as needed. */
+    while (gx_bits_cache_alloc(&cldev->bits, (ulong) tsize, &slot_head) < 0) {
+	if (slot_head == 0) {	/* Wrap around. */
+	    if (cldev->bits.cnext == 0) {	/* Too big to fit.  We should probably detect this */
+		/* sooner, since if we get here, we've cleared the */
+		/* cache. */
+		return_error(gs_error_limitcheck);
+	    }
+	    cldev->bits.cnext = 0;
+	} else
+	    clist_delete_tile(cldev, slot);
+    }
+    /* Fill in the entry. */
+    slot->cb_depth = depth;
+    slot->cb_raster = raster;
+    slot->width = tiles->rep_width;
+    slot->height = tiles->rep_height;
+    slot->shift = slot->rep_shift = tiles->rep_shift;
+    slot->x_reps = slot->y_reps = 1;
+    slot->id = tiles->id;
+    memset(ts_mask(slot), 0, cldev->tile_band_mask_size);
+    bytes_copy_rectangle(ts_bits(cldev, slot), raster,
+			 tiles->data, sraster,
+			 (tiles->rep_width * depth + 7) >> 3,
+			 tiles->rep_height);
+    /* Make the hash table entry. */
+    {
+	tile_loc loc;
+
+#ifdef DEBUG
+	if (clist_find_bits(cldev, tiles->id, &loc))
+	    lprintf1("clist_find_bits(0x%lx) should have failed!\n",
+		     (ulong) tiles->id);
+#else
+	clist_find_bits(cldev, tiles->id, &loc);	/* always fails */
+#endif
+	slot->index = loc.index;
+	cldev->tile_table[loc.index].offset =
+	    (byte *) slot_head - cldev->data;
+	if_debug2('L', "[L]adding index=%u, offset=%lu\n",
+		  loc.index, cldev->tile_table[loc.index].offset);
+    }
+    slot->num_bands = 0;
+    return 0;
+}
+
+/* ------ Driver procedure support ------ */
+
+/* Change the tile parameters (size and depth). */
+/* Currently we do this for all bands at once. */
+private void
+clist_new_tile_params(gx_strip_bitmap * new_tile, const gx_strip_bitmap * tiles,
+		      int depth, const gx_device_clist_writer * cldev)
+{				/*
+				 * Adjust the replication factors.  If we can, we replicate
+				 * the tile in X up to 32 bytes, and then in Y up to 4 copies,
+				 * as long as we don't exceed a total tile size of 256 bytes,
+				 * or more than 255 repetitions in X or Y, or make the tile so
+				 * large that not all possible tiles will fit in the cache.
+				 * Also, don't attempt Y replication if shifting is required. 
+				 */
+#define max_tile_reps_x 255
+#define max_tile_bytes_x 32
+#define max_tile_reps_y 4
+#define max_tile_bytes 256
+    uint rep_width = tiles->rep_width;
+    uint rep_height = tiles->rep_height;
+    uint rep_width_bits = rep_width * depth;
+    uint tile_overhead =
+    sizeof(tile_slot) + cldev->tile_band_mask_size;
+    uint max_bytes = cldev->chunk.size / (rep_width_bits * rep_height);
+
+    max_bytes -= min(max_bytes, tile_overhead);
+    if (max_bytes > max_tile_bytes)
+	max_bytes = max_tile_bytes;
+    *new_tile = *tiles;
+    {
+	uint max_bits_x = max_bytes * 8 / rep_height;
+	uint reps_x =
+	min(max_bits_x, max_tile_bytes_x * 8) / rep_width_bits;
+	uint reps_y;
+
+	while (reps_x > max_tile_reps_x)
+	    reps_x >>= 1;
+	new_tile->size.x = max(reps_x, 1) * rep_width;
+	new_tile->raster = bitmap_raster(new_tile->size.x * depth);
+	if (tiles->shift != 0)
+	    reps_y = 1;
+	else {
+	    reps_y = max_bytes / (new_tile->raster * rep_height);
+	    if (reps_y > max_tile_reps_y)
+		reps_y = max_tile_reps_y;
+	    else if (reps_y < 1)
+		reps_y = 1;
+	}
+	new_tile->size.y = reps_y * rep_height;
+    }
+#undef max_tile_reps_x
+#undef max_tile_bytes_x
+#undef max_tile_reps_y
+#undef max_tile_bytes
+}
+
+/* Change tile for clist_tile_rectangle. */
+int
+clist_change_tile(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		  const gx_strip_bitmap * tiles, int depth)
+{
+    tile_loc loc;
+    int code;
+
+#define tile_params_differ(cldev, tiles, depth)\
+  ((tiles)->rep_width != (cldev)->tile_params.rep_width ||\
+   (tiles)->rep_height != (cldev)->tile_params.rep_height ||\
+   (tiles)->rep_shift != (cldev)->tile_params.rep_shift ||\
+   (depth) != (cldev)->tile_depth)
+
+  top:if (clist_find_bits(cldev, tiles->id, &loc)) {	/* The bitmap is in the cache.  Check whether this band */
+	/* knows about it. */
+	int band_index = pcls - cldev->states;
+	byte *bptr = ts_mask(loc.tile) + (band_index >> 3);
+	byte bmask = 1 << (band_index & 7);
+
+	if (*bptr & bmask) {	/* Already known.  Just set the index. */
+	    if (pcls->tile_index == loc.index)
+		return 0;
+	    cmd_put_tile_index(cldev, pcls, loc.index);
+	} else {
+	    uint extra = 0;
+
+	    if tile_params_differ
+		(cldev, tiles, depth) {		/*
+						 * We have a cached tile whose parameters differ from
+						 * the current ones.  Because of the way tile IDs are
+						 * managed, this is currently only possible when mixing
+						 * Patterns and halftones, but if we didn't generate new
+						 * IDs each time the main halftone cache needed to be
+						 * refreshed, this could also happen simply from
+						 * switching screens.
+						 */
+		int band;
+
+		clist_new_tile_params(&cldev->tile_params, tiles, depth,
+				      cldev);
+		cldev->tile_depth = depth;
+		/* No band knows about the new parameters. */
+		for (band = cldev->tile_known_min;
+		     band <= cldev->tile_known_max;
+		     ++band
+		    )
+		    cldev->states[band].known &= ~tile_params_known;
+		cldev->tile_known_min = cldev->nbands;
+		cldev->tile_known_max = -1;
+		}
+	    if (!(pcls->known & tile_params_known)) {	/* We're going to have to write the tile parameters. */
+		extra = cmd_size_tile_params(&cldev->tile_params);
+	    } {			/*
+				 * This band doesn't know this tile yet, so output the
+				 * bits.  Note that the offset we write is the one used by
+				 * the reading phase, not the writing phase.  Note also
+				 * that the size of the cached and written tile may differ
+				 * from that of the client's tile.  Finally, note that
+				 * this tile's size parameters are guaranteed to be
+				 * compatible with those stored in the device
+				 * (cldev->tile_params).
+				 */
+		ulong offset = (byte *) loc.tile - cldev->chunk.data;
+		uint rsize =
+		    extra + 1 + cmd_size_w(loc.index) + cmd_size_w(offset);
+		byte *dp;
+		uint csize;
+		int code =
+		cmd_put_bits(cldev, pcls, ts_bits(cldev, loc.tile),
+			     tiles->rep_width * depth, tiles->rep_height,
+			     loc.tile->cb_raster, rsize,
+			     (cldev->tile_params.size.x > tiles->rep_width ?
+			      decompress_elsewhere | decompress_spread :
+			      decompress_elsewhere),
+			     &dp, &csize);
+
+		if (code < 0)
+		    return code;
+		if (extra) {	/* Write the tile parameters before writing the bits. */
+		    cmd_store_tile_params(dp, &cldev->tile_params, depth,
+					  extra);
+		    dp += extra;
+		    /* This band now knows the parameters. */
+		    pcls->known |= tile_params_known;
+		    if (band_index < cldev->tile_known_min)
+			cldev->tile_known_min = band_index;
+		    if (band_index > cldev->tile_known_max)
+			cldev->tile_known_max = band_index;
+		}
+		*dp = cmd_count_op(cmd_opv_set_tile_bits, csize - extra);
+		dp++;
+		dp = cmd_put_w(loc.index, dp);
+		cmd_put_w(offset, dp);
+		*bptr |= bmask;
+		loc.tile->num_bands++;
+	    }
+	}
+	pcls->tile_index = loc.index;
+	pcls->tile_id = loc.tile->id;
+	return 0;
+    }
+    /* The tile is not in the cache, add it. */
+    {
+	gx_strip_bitmap new_tile;
+	gx_strip_bitmap *ptile;
+
+	/* Ensure that the tile size is compatible. */
+	if (tile_params_differ(cldev, tiles, depth)) {	/* We'll reset cldev->tile_params when we write the bits. */
+	    clist_new_tile_params(&new_tile, tiles, depth, cldev);
+	    ptile = &new_tile;
+	} else {
+	    cldev->tile_params.id = tiles->id;
+	    cldev->tile_params.data = tiles->data;
+	    ptile = &cldev->tile_params;
+	}
+	code = clist_add_tile(cldev, ptile, tiles->raster, depth);
+	if (code < 0)
+	    return code;
+    }
+    goto top;
+#undef tile_params_differ
+}
+
+/* Change "tile" for clist_copy_*.  tiles->[rep_]shift must be zero. */
+int
+clist_change_bits(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		  const gx_strip_bitmap * tiles, int depth)
+{
+    tile_loc loc;
+    int code;
+
+  top:if (clist_find_bits(cldev, tiles->id, &loc)) {	/* The bitmap is in the cache.  Check whether this band */
+	/* knows about it. */
+	uint band_index = pcls - cldev->states;
+	byte *bptr = ts_mask(loc.tile) + (band_index >> 3);
+	byte bmask = 1 << (band_index & 7);
+
+	if (*bptr & bmask) {	/* Already known.  Just set the index. */
+	    if (pcls->tile_index == loc.index)
+		return 0;
+	    cmd_put_tile_index(cldev, pcls, loc.index);
+	} else {		/* Not known yet.  Output the bits. */
+	    /* Note that the offset we write is the one used by */
+	    /* the reading phase, not the writing phase. */
+	    ulong offset = (byte *) loc.tile - cldev->chunk.data;
+	    uint rsize = 2 + cmd_size_w(loc.tile->width) +
+	    cmd_size_w(loc.tile->height) + cmd_size_w(loc.index) +
+	    cmd_size_w(offset);
+	    byte *dp;
+	    uint csize;
+	    gx_clist_state *bit_pcls = pcls;
+	    int code;
+
+	    if (loc.tile->num_bands == CHAR_ALL_BANDS_COUNT)
+		bit_pcls = NULL;
+	    code = cmd_put_bits(cldev, bit_pcls, ts_bits(cldev, loc.tile),
+				loc.tile->width * depth,
+				loc.tile->height, loc.tile->cb_raster,
+				rsize,
+			     (1 << cmd_compress_cfe) | decompress_elsewhere,
+				&dp, &csize);
+
+	    if (code < 0)
+		return code;
+	    *dp = cmd_count_op(cmd_opv_set_bits, csize);
+	    dp[1] = (depth << 2) + code;
+	    dp += 2;
+	    dp = cmd_put_w(loc.tile->width, dp);
+	    dp = cmd_put_w(loc.tile->height, dp);
+	    dp = cmd_put_w(loc.index, dp);
+	    cmd_put_w(offset, dp);
+	    if (bit_pcls == NULL) {
+		memset(ts_mask(loc.tile), 0xff,
+		       cldev->tile_band_mask_size);
+		loc.tile->num_bands = cldev->nbands;
+	    } else {
+		*bptr |= bmask;
+		loc.tile->num_bands++;
+	    }
+	}
+	pcls->tile_index = loc.index;
+	pcls->tile_id = loc.tile->id;
+	return 0;
+    }
+    /* The tile is not in the cache. */
+    code = clist_add_tile(cldev, tiles, tiles->raster, depth);
+    if (code < 0)
+	return code;
+    goto top;
+}
diff --git a/pstoraster/gxcldev.h b/pstoraster/gxcldev.h
new file mode 100644
index 000000000..9d1d02d73
--- /dev/null
+++ b/pstoraster/gxcldev.h
@@ -0,0 +1,727 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for Ghostscript command lists. */
+
+#ifndef gxcldev_INCLUDED
+#  define gxcldev_INCLUDED
+
+#include "gsropt.h"
+#include "gxht.h"		/* for gxdht.h */
+#include "gxtmap.h"		/* ditto */
+#include "gxdht.h"		/* for halftones */
+#include "strimpl.h"		/* for compressed bitmaps */
+#include "scfx.h"		/* ditto */
+#include "srlx.h"		/* ditto */
+
+/* ---------------- Commands ---------------- */
+
+/* Define the compression modes for bitmaps. */
+/*#define cmd_compress_none 0 *//* (implicit) */
+#define cmd_compress_rle 1
+#define clist_rle_init(ss)\
+  BEGIN\
+    s_RLE_set_defaults_inline(ss);\
+    s_RLE_init_inline(ss);\
+  END
+#define clist_rld_init(ss)\
+  BEGIN\
+    s_RLD_set_defaults_inline(ss);\
+    s_RLD_init_inline(ss);\
+  END
+#define cmd_compress_cfe 2
+#define clist_cf_init(ss, width, mem)\
+  BEGIN\
+    (ss)->memory = (mem);\
+    (ss)->K = -1;\
+    (ss)->Columns = (width);\
+    (ss)->EndOfBlock = false;\
+    (ss)->BlackIs1 = true;\
+    (ss)->DecodedByteAlign = align_bitmap_mod;\
+  END
+#define clist_cfe_init(ss, width, mem)\
+  BEGIN\
+    s_CFE_set_defaults_inline(ss);\
+    clist_cf_init(ss, width, mem);\
+    (*s_CFE_template.init)((stream_state *)(ss));\
+  END
+#define clist_cfd_init(ss, width, height, mem)\
+  BEGIN\
+    (*s_CFD_template.set_defaults)((stream_state *)ss);\
+    clist_cf_init(ss, width, mem);\
+    (ss)->Rows = (height);\
+    (*s_CFD_template.init)((stream_state *)(ss));\
+  END
+#define cmd_mask_compress_any\
+  ((1 << cmd_compress_rle) | (1 << cmd_compress_cfe))
+
+/*
+ * A command always consists of an operation followed by operands;
+ * the syntax of the operands depends on the operation.
+ * In the operation definitions below:
+ *      + (prefixed) means the operand is in the low 4 bits of the opcode.
+ *      # means a variable-size operand encoded with the variable-size
+ *         integer encoding.
+ *      % means a variable-size operand encoded with the variable-size
+ *         fixed coordinate encoding.
+ *      $ means a color sized according to the device depth.
+ *      <> means the operand size depends on other state information
+ *         and/or previous operands.
+ */
+typedef enum {
+    cmd_op_misc = 0x00,		/* (see below) */
+    cmd_opv_end_run = 0x00,	/* (nothing) */
+    cmd_opv_set_tile_size = 0x01,	/* rs?(1)nry?(1)nrx?(1)depth-1(5), */
+				/* rep_width#, rep_height#, */
+				/* [, nreps_x#][, nreps_y #] */
+				/* [, rep_shift#] */
+    cmd_opv_set_tile_phase = 0x02,	/* x#, y# */
+    cmd_opv_set_tile_bits = 0x03,	/* index#, offset#, <bits> */
+    cmd_opv_set_bits = 0x04,	/* depth*4+compress, width#, height#, */
+				/* index#, offset#, <bits> */
+    cmd_opv_set_tile_color = 0x05,	/* (nothing; next set/delta_color */
+				/* refers to tile) */
+    cmd_opv_set_misc = 0x06,
+#define cmd_set_misc_lop (0 << 6)	/* 00: lop_lsb(6), lop_msb# */
+#define cmd_set_misc_data_x (1 << 6)	/* 01: more(1)dx_lsb(5)[, dx_msb#] */
+#define cmd_set_misc_map (2 << 6)	/* 10: non-0(1)map_index(5) */
+				/*   [, n x frac] */
+#define cmd_set_misc_halftone (3 << 6)	/* 11: type(6), num_comp# */
+    cmd_opv_enable_lop = 0x07,	/* (nothing) */
+    cmd_opv_disable_lop = 0x08,	/* (nothing) */
+    cmd_opv_set_ht_order = 0x09,	/* component+1#[, cname#], */
+				/* width#, height#, raster#, */
+				/* shift#, num_levels#, num_bits# */
+    cmd_opv_set_ht_data = 0x0a,	/* n, n x (uint|gx_ht_bit) */
+    cmd_opv_end_page = 0x0b,	/* (nothing) */
+    cmd_opv_delta2_color0 = 0x0c,	/* dr5dg6db5 or dc4dm4dy4dk4 */
+#define cmd_delta2_24_bias 0x00102010
+#define cmd_delta2_24_mask 0x001f3f1f
+#define cmd_delta2_32_bias 0x08080808
+#define cmd_delta2_32_mask 0x0f0f0f0f
+    cmd_opv_delta2_color1 = 0x0d,	/* <<same as color0>> */
+    cmd_opv_set_copy_color = 0x0e,	/* (nothing) */
+    cmd_opv_set_copy_alpha = 0x0f,	/* (nothing) */
+    cmd_op_set_color0 = 0x10,	/* +15 = transparent | */
+				/* +0, color$ | +dcolor+8 | */
+				/* +dr4, dg4db4 | */
+				/* +dc3dm1, dm2dy3dk3 */
+    cmd_op_set_color1 = 0x20,	/* <<same as color0>> */
+#define cmd_delta1_24_bias 0x00080808
+#define cmd_delta1_24_mask 0x000f0f0f
+#define cmd_delta1_32_bias 0x04040404
+#define cmd_delta1_32_mask 0x07070707
+    cmd_op_fill_rect = 0x30,	/* +dy2dh2, x#, w# | +0, rect# */
+    cmd_op_fill_rect_short = 0x40,	/* +dh, dx, dw | +0, rect_short */
+    cmd_op_fill_rect_tiny = 0x50,	/* +dw+0, rect_tiny | +dw+8 */
+    cmd_op_tile_rect = 0x60,	/* +dy2dh2, x#, w# | +0, rect# */
+    cmd_op_tile_rect_short = 0x70,	/* +dh, dx, dw | +0, rect_short */
+    cmd_op_tile_rect_tiny = 0x80,	/* +dw+0, rect_tiny | +dw+8 */
+    cmd_op_copy_mono = 0x90,	/* +compress, x#, y#, (w+data_x)#, */
+				/* h#, <bits> | */
+#define cmd_copy_ht_color 4
+				/* +4+compress, x#, y#, (w+data_x)#, */
+				/* h#, <bits> | */
+#define cmd_copy_use_tile 8
+				/* +8 (use tile), x#, y# | */
+				/* +12 (use tile), x#, y# */
+    cmd_op_copy_color_alpha = 0xa0,	/* (same as copy_mono, except: */
+				/* if color, ignore ht_color; */
+				/* if alpha & !use_tile, depth is */
+				/*   first operand) */
+    cmd_op_delta_tile_index = 0xb0,	/* +delta+8 */
+    cmd_op_set_tile_index = 0xc0	/* +index[11:8], index[7:0] */
+} gx_cmd_op;
+
+#define cmd_op_name_strings\
+  "(misc)", "set_color[0]", "set_color[1]", "fill_rect",\
+  "fill_rect_short", "fill_rect_tiny", "tile_rect", "tile_rect_short",\
+  "tile_rect_tiny", "copy_mono", "copy_color_alpha", "delta_tile_index",\
+  "set_tile_index", "(misc2)", "(segment)", "(path)"
+
+#define cmd_misc_op_name_strings\
+  "end_run", "set_tile_size", "set_tile_phase", "set_tile_bits",\
+  "set_bits", "set_tile_color", "set_misc", "enable_lop",\
+  "disable_lop", "set_ht_order", "set_ht_data", "end_page",\
+  "delta2_color0", "delta2_color1", "set_copy_color", "set_copy_alpha",
+
+#ifdef DEBUG
+extern const char *const cmd_op_names[16];
+extern const char *const *const cmd_sub_op_names[16];
+#endif
+
+/*
+ * Define the size of the largest command, not counting any bitmap or
+ * similar variable-length operands.
+ * The variable-size integer encoding is little-endian.  The low 7 bits
+ * of each byte contain data; the top bit is 1 for all but the last byte.
+ */
+#define cmd_max_intsize(siz)\
+  (((siz) * 8 + 6) / 7)
+#define cmd_largest_size\
+  (2 + (1 + cmd_max_dash) * sizeof(float))
+
+/* ---------------- Command parameters ---------------- */
+
+/* Rectangle */
+typedef struct {
+    int x, y, width, height;
+} gx_cmd_rect;
+
+/* Short rectangle */
+typedef struct {
+    byte dx, dwidth, dy, dheight;	/* dy and dheight are optional */
+} gx_cmd_rect_short;
+
+#define cmd_min_short (-128)
+#define cmd_max_short 127
+/* Tiny rectangle */
+#define cmd_min_dw_tiny (-4)
+#define cmd_max_dw_tiny 3
+typedef struct {
+    unsigned dx:4;
+    unsigned dy:4;
+} gx_cmd_rect_tiny;
+
+#define cmd_min_dxy_tiny (-8)
+#define cmd_max_dxy_tiny 7
+
+/*
+ * When we write bitmaps, we remove raster padding selectively:
+ *      - If the bitmap is compressed, we don't remove any padding;
+ *      - If the width is <= 6 bytes, we remove all the padding;
+ *      - If the bitmap is only 1 scan line high, we remove the padding;
+ *      - If the bitmap is going to be replicated horizontally (see the
+ *      definition of decompress_spread below), we remove the padding;
+ *      - Otherwise, we remove the padding only from the last scan line.
+ */
+#define cmd_max_short_width_bytes 6
+#define cmd_max_short_width_bits (cmd_max_short_width_bytes * 8)
+/*
+ * Determine the (possibly unpadded) width in bytes for writing a bitmap,
+ * per the algorithm just outlined.  If compression_mask has any of the
+ * cmd_mask_compress_any bits set, we assume the bitmap will be compressed.
+ * Return the total size of the bitmap.
+ */
+uint clist_bitmap_bytes(P5(uint width_bits, uint height,
+			   int compression_mask,
+			   uint * width_bytes, uint * raster));
+
+/*
+ * For halftone cells, we always write an unreplicated bitmap, but we
+ * reserve cache space for the reading pass based on the replicated size.
+ * See the clist_change_tile procedure for the algorithm that chooses the
+ * replication factors.
+ */
+
+/* ---------------- Block file entries ---------------- */
+
+typedef struct cmd_block_s {
+    int band_min, band_max;
+#define cmd_band_end (-1)	/* end of band file */
+    long pos;			/* starting position in cfile */
+} cmd_block;
+
+/* ---------------- Band state ---------------- */
+
+/* Define the prefix on each command run in the writing buffer. */
+typedef struct cmd_prefix_s cmd_prefix;
+struct cmd_prefix_s {
+    cmd_prefix *next;
+    uint size;
+};
+
+/* Define the pointers for managing a list of command runs in the buffer. */
+/* There is one of these for each band, plus one for band-range commands. */
+typedef struct cmd_list_s {
+    cmd_prefix *head, *tail;	/* list of commands for band */
+} cmd_list;
+
+/* Remember the current state of one band when writing or reading. */
+struct gx_clist_state_s {
+    gx_color_index colors[2];	/* most recent colors */
+    uint tile_index;		/* most recent tile index */
+    gx_bitmap_id tile_id;	/* most recent tile id */
+/* Since tile table entries may be deleted and/or moved at any time, */
+/* the following is the only reliable way to check whether tile_index */
+/* references a particular tile id: */
+#define cls_has_tile_id(cldev, pcls, tid, offset_temp)\
+  ((pcls)->tile_id == (tid) &&\
+   (offset_temp = cldev->tile_table[(pcls)->tile_index].offset) != 0 &&\
+   ((tile_slot *)(cldev->data + offset_temp))->id == (tid))
+    gs_int_point tile_phase;	/* most recent tile phase */
+    gx_color_index tile_colors[2];	/* most recent tile colors */
+    gx_cmd_rect rect;		/* most recent rectangle */
+    gs_logical_operation_t lop;	/* most recent logical op */
+    short lop_enabled;		/* 0 = don't use lop, 1 = use lop, */
+    /* -1 is used internally */
+    short clip_enabled;		/* 0 = don't clip, 1 = do clip, */
+    /* -1 is used internally */
+    ushort color_is_alpha;	/* (Boolean) for copy_color_alpha */
+    ushort known;		/* flags for whether this band */
+				/* knows various misc. parameters */
+    /* We assign 'known' flags here from the high end; */
+    /* gxclpath.h assigns them from the low end. */
+#define tile_params_known (1<<15)
+#define begin_image_known (1<<14) /* gxclimag.c */
+#define initial_known 0x3fff	/* exclude tile & image params */
+    /* Following are only used when writing */
+    cmd_list list;		/* list of commands for band */
+    /* Following is set when writing, read when reading */
+    ulong cost;			/* cost of rendering the band */
+};
+
+/**** MRS: We need to include this here instead of the top to avoid lots of
+ ****      pointer errors.  Why the f**k does GS have to define so many
+ ****      interdependent structures?!?
+ ****/
+#include "gxclist.h"
+
+/* The initial values for a band state */
+/*static const gx_clist_state cls_initial */
+#define cls_initial_values\
+	 { gx_no_color_index, gx_no_color_index },\
+	0, gx_no_bitmap_id,\
+	 { 0, 0 }, { gx_no_color_index, gx_no_color_index },\
+	 { 0, 0, 0, 0 }, lop_default, 0, 0, 0, initial_known,\
+	 { 0, 0 }, 0
+
+/* Define the size of the command buffer used for reading. */
+/* This is needed to split up operations with a large amount of data, */
+/* primarily large copy_ operations. */
+#define cbuf_size 800
+
+/* ---------------- Driver procedure support ---------------- */
+
+/*
+ * The procedures and macros defined here are used when writing
+ * (gxclist.c, gxclbits.c, gxclimag.c, gxclpath.c, gxclrect.c).
+ * Note that none of the cmd_put_xxx procedures do VMerror recovery;
+ * they convert low-memory warnings to VMerror errors.
+ */
+
+/* ------ Exported by gxclist.c ------ */
+
+/*
+ * Error recovery procedures for writer-side VMerrors, for async rendering
+ * support.  This logic assumes that the command list file and/or the
+ * renderer allocate memory from the same pool as the writer. Hence, when
+ * the writer runs out of memory, it tries to pause and let the renderer run
+ * for a while in hope that enough memory will be freed by it to allow the
+ * writer to allocate enough memory to proceed. Once a VMerror is detected,
+ * error recovery proceeds in two escalating stages:
+ *
+ *  1) The recovery logic repeatedly calls clist_VMerror_recover(), which
+ *     waits until the next page has finished rendering. The recovery logic
+ *     keeps calling clist_VMerror_recover() until enough memory is freed,
+ *     or until clist_VMerror_recover() signals that no more pages
+ *     remain to be rendered.
+ *
+ *  2) If enough memory is not free, the recovery logic calls
+ *     clist_VMerror_recover_flush() once. This routine terminates and
+ *     flushes out the partially-completed page that the writer is currently
+ *     writing to the command file, then waits for the partial page to finish
+ *     rendering. It then opens up a new command list "file" and resets the
+ *     state of the command list machinery to an initial state as if a new
+ *     page were beginning.
+ *
+ * If insufficient memory is available after the 2nd step, the situation
+ * is the same as if it ocurred in a non-async setup: the writer program
+ * simply used up too much memory and cannot continue.
+ *
+ * The first stage of error recovery (no flush) is performed without
+ * flushing out the current page, so failing commands can simply be
+ * restarted after such recovery. This is not true of 2nd stage recovery
+ * (flush): as part of its operation, the flush resets the state of both
+ * writer and renderer to initial values.  In this event, the recovery logic
+ * which called clist_try_recover_VMerror_flush() must force any pertinent
+ * state information to be re-emitted before re-issuing the failing command.
+ *
+ * In case of a VMerror, the internal procedures that support the driver
+ * procedures simply return the error code: they do not attempt recovery.
+ * Note that all such procedures must take care that (1) they don't update
+ * any writer state to reflect information written to the band list unless
+ * the write actually succeeds, and (2) they are idempotent, since they may
+ * be re-executed after first-stage VMerror recovery.
+ *
+ * Error recovery is only performed by the driver procedures themselves
+ * (fill_rectangle, copy_mono, fill_path, etc.) and a few other procedures
+ * at the same level of control.  The implementation of error recovery is
+ * packaged up in the FOR_RECTS et al macros defined below, but -- as noted
+ * above -- recovery is not fully transparent.  Other routines which perform
+ * error recovery are those which open the device, begin a new page, or
+ * reopen the device (put_params).
+ */
+int clist_VMerror_recover(P2(gx_device_clist_writer *, int));
+int clist_VMerror_recover_flush(P2(gx_device_clist_writer *, int));
+
+/* Write out device parameters. */
+int cmd_put_params(P2(gx_device_clist_writer *, gs_param_list *));
+
+/* Conditionally keep command statistics. */
+#ifdef DEBUG
+int cmd_count_op(P2(int op, uint size));
+void cmd_uncount_op(P2(int op, uint size));
+#  define cmd_count_add1(v) (v++)
+#else
+#  define cmd_count_op(op, size) (op)
+#  define cmd_uncount_op(op, size) DO_NOTHING
+#  define cmd_count_add1(v) DO_NOTHING
+#endif
+
+/* Add a command to the appropriate band list, */
+/* and allocate space for its data. */
+byte *cmd_put_list_op(P3(gx_device_clist_writer * cldev, cmd_list * pcl, uint size));
+
+#ifdef DEBUG
+byte *cmd_put_op(P3(gx_device_clist_writer * cldev, gx_clist_state * pcls, uint size));
+#else
+#  define cmd_put_op(cldev, pcls, size)\
+     cmd_put_list_op(cldev, &(pcls)->list, size)
+#endif
+/* Call cmd_put_op and update stats if no error occurs. */
+#define set_cmd_put_op(dp, cldev, pcls, op, csize)\
+  ( (dp = cmd_put_op(cldev, pcls, csize)) == 0 ?\
+      (cldev)->error_code :\
+    (*dp = cmd_count_op(op, csize), 0) )
+
+/* Add a command for all bands or a range of bands. */
+byte *cmd_put_range_op(P4(gx_device_clist_writer * cldev, int band_min,
+			  int band_max, uint size));
+
+#define cmd_put_all_op(cldev, size)\
+  cmd_put_range_op(cldev, 0, (cldev)->nbands - 1, size)
+/* Call cmd_put_all/range_op and update stats if no error occurs. */
+#define set_cmd_put_range_op(dp, cldev, op, bmin, bmax, csize)\
+  ( (dp = cmd_put_range_op(cldev, bmin, bmax, csize)) == 0 ?\
+      (cldev)->error_code :\
+    (*dp = cmd_count_op(op, csize), 0) )
+#define set_cmd_put_all_op(dp, cldev, op, csize)\
+  set_cmd_put_range_op(dp, cldev, op, 0, (cldev)->nbands - 1, csize)
+
+/* Shorten the last allocated command. */
+/* Note that this does not adjust the statistics. */
+#define cmd_shorten_list_op(cldev, pcls, delta)\
+  ((pcls)->tail->size -= (delta), (cldev)->cnext -= (delta))
+#define cmd_shorten_op(cldev, pcls, delta)\
+  cmd_shorten_list_op(cldev, &(pcls)->list, delta)
+
+/* Write out the buffered commands, and reset the buffer. */
+/* Return 0 if OK, 1 if OK with low-memory warning, */
+/* or the usual negative error code. */
+int cmd_write_buffer(P2(gx_device_clist_writer * cldev, byte cmd_end));
+
+/* End a page by flushing the buffer and terminating the command list. */
+int clist_end_page(P1(gx_device_clist_writer *));
+
+/* Compute the # of bytes required to represent a variable-size integer. */
+/* (This works for negative integers also; they are written as though */
+/* they were unsigned.) */
+int cmd_size_w(P1(uint));
+
+#define w1byte(w) (!((w) & ~0x7f))
+#define w2byte(w) (!((w) & ~0x3fff))
+#define cmd_sizew(w)\
+  (w1byte(w) ? 1 : w2byte(w) ? 2 : cmd_size_w((uint)(w)))
+#define cmd_size2w(wx,wy)\
+  (w1byte((wx) | (wy)) ? 2 :\
+   cmd_size_w((uint)(wx)) + cmd_size_w((uint)(wy)))
+#define cmd_sizexy(xy) cmd_size2w((xy).x, (xy).y)
+#define cmd_sizew_max ((sizeof(uint) * 8 + 6) / 7)
+
+/* Put a variable-size integer in the buffer. */
+byte *cmd_put_w(P2(uint, byte *));
+
+#define cmd_putw(w,dp)\
+  (w1byte(w) ? (*dp = w, ++dp) :\
+   w2byte(w) ? (*dp = (w) | 0x80, dp[1] = (w) >> 7, dp += 2) :\
+   (dp = cmd_put_w((uint)(w), dp)))
+#define cmd_put2w(wx,wy,dp)\
+  (w1byte((wx) | (wy)) ? (dp[0] = (wx), dp[1] = (wy), dp += 2) :\
+   (dp = cmd_put_w((uint)(wy), cmd_put_w((uint)(wx), dp))))
+#define cmd_putxy(xy,dp) cmd_put2w((xy).x, (xy).y, dp)
+
+/* Put out a command to set a color. */
+typedef struct {
+    byte set_op;
+    byte delta2_op;
+    bool tile_color;
+} clist_select_color_t;
+extern const clist_select_color_t
+      clist_select_color0, clist_select_color1, clist_select_tile_color0,
+      clist_select_tile_color1;
+int cmd_put_color(P5(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		     const clist_select_color_t * select,
+		     gx_color_index color, gx_color_index * pcolor));
+
+#define cmd_set_color0(dev, pcls, color0)\
+  cmd_put_color(dev, pcls, &clist_select_color0, color0, &(pcls)->colors[0])
+#define cmd_set_color1(dev, pcls, color1)\
+  cmd_put_color(dev, pcls, &clist_select_color1, color1, &(pcls)->colors[1])
+
+/* Put out a command to set the tile colors. */
+int cmd_set_tile_colors(P4(gx_device_clist_writer *cldev,
+			   gx_clist_state * pcls,
+			   gx_color_index color0, gx_color_index color1));
+
+/* Put out a command to set the tile phase. */
+int cmd_set_tile_phase(P4(gx_device_clist_writer *cldev,
+			  gx_clist_state * pcls,
+			  int px, int py));
+
+/* Enable or disable the logical operation. */
+int cmd_put_enable_lop(P3(gx_device_clist_writer *, gx_clist_state *, int));
+#define cmd_do_enable_lop(cldev, pcls, enable)\
+  ( (pcls)->lop_enabled == ((enable) ^ 1) &&\
+    cmd_put_enable_lop(cldev, pcls, enable) < 0 ?\
+      (cldev)->error_code : 0 )
+#define cmd_enable_lop(cldev, pcls)\
+  cmd_do_enable_lop(cldev, pcls, 1)
+#define cmd_disable_lop(cldev, pcls)\
+  cmd_do_enable_lop(cldev, pcls, 0)
+
+/* Enable or disable clipping. */
+int cmd_put_enable_clip(P3(gx_device_clist_writer *, gx_clist_state *, int));
+
+#define cmd_do_enable_clip(cldev, pcls, enable)\
+  ( (pcls)->clip_enabled == ((enable) ^ 1) &&\
+    cmd_put_enable_clip(cldev, pcls, enable) < 0 ?\
+      (cldev)->error_code : 0 )
+#define cmd_enable_clip(cldev, pcls)\
+  cmd_do_enable_clip(cldev, pcls, 1)
+#define cmd_disable_clip(cldev, pcls)\
+  cmd_do_enable_clip(cldev, pcls, 0)
+
+/* Write a command to set the logical operation. */
+int cmd_set_lop(P3(gx_device_clist_writer *, gx_clist_state *,
+		   gs_logical_operation_t));
+
+/* Disable (if default) or enable the logical operation, setting it if */
+/* needed. */
+int cmd_update_lop(P3(gx_device_clist_writer *, gx_clist_state *,
+		      gs_logical_operation_t));
+
+/*
+ * Define macros for dividing up an operation into bands, per the
+ * template
+
+    FOR_RECTS {
+	... process rectangle x, y, width, height in band pcls ...
+    } END_RECTS;
+
+ * Note that FOR_RECTS resets y and height.  It is OK for the code that
+ * processes each band to reset height to a smaller (positive) value; the
+ * vertical subdivision code in copy_mono, copy_color, and copy_alpha makes
+ * use of this.  The band processing code may `continue' (to reduce nesting
+ * of conditionals).
+ *
+ * If the processing code detects an error that may be a recoverable
+ * VMerror, the code may call ERROR_RECT(), which will attempt to fix the
+ * VMerror by flushing and closing the band and resetting the imager state,
+ * and then restart emitting the entire band. Before flushing the file, the
+ * 'on_error' clause of END_RECTS_ON_ERROR (defaults to the constant 1 if
+ * END_RECT is used) is evaluated and tested.  The 'on_error' clause enables
+ * mop-up actions to be executed before flushing, and/or selectively
+ * inhibits the flush, close, reset and restart process.  Similarly, the
+ * 'after_recovering' clause of END_RECTS_ON_ERROR allows an action to get
+ * performed after successfully recovering.
+ *
+ * The band processing code may wrap an operation with TRY_RECT { ...  }
+ * HANDLE_RECT_UNLESS(code, unless_action) (or HANDLE_RECT(code)). This will
+ * perform local first-stage VMerror recovery, by waiting for some memory to
+ * become free and then retrying the failed operation starting at the
+ * TRY_RECT. If local recovery is unsuccessful, the local recovery code
+ * calls ERROR_RECT.
+ *
+ * In a few cases, the band processing code calls other driver procedures
+ * (e.g., clist_copy_mono calls itself recursively if it must split up the
+ * operation into smaller pieces) or other procedures that may attempt
+ * VMerror recovery.  In such cases, the recursive call must not attempt
+ * second-stage VMerror recovery, since the caller would have no way of
+ * knowing that the writer state had been reset.  Such recursive calls
+ * should be wrapped in NEST_RECT { ... } UNNEST_RECT, which causes
+ * ERROR_RECT simply to return the error code rather than attempting
+ * recovery.  (TRY/HANDLE_RECT will still attempt local recovery, as
+ * described above, but this is harmless since it is transparent.) By
+ * convention, calls to cmd_put_xxx or cmd_set_xxx never attempt recovery
+ * and so never require NEST_RECTs.
+ *
+ * If a put_params call fails, the device will be left in a closed state,
+ * but higher-level code won't notice this fact.  We flag this by setting
+ * permanent_error, which prevents writing to the command list.
+ */
+
+/**** MRS: Added cast to cdev->states since size of gx_clist_state is unknown ****/
+#define FOR_RECTS\
+    BEGIN\
+	int yend = y + height;\
+	int band_height = cdev->page_band_height;\
+	int band_code;\
+\
+	if (cdev->permanent_error < 0)\
+	  return (cdev->permanent_error);\
+	do {\
+	    int band = y / band_height;\
+	    gx_clist_state *pcls = ((struct gx_clist_state_s *)cdev->states) + band;\
+	    int band_end = (band + 1) * band_height;\
+\
+	    height = min(band_end, yend) - y;\
+retry_rect:\
+	    ;
+#define NEST_RECT    ++cdev->driver_call_nesting;
+#define UNNEST_RECT  --cdev->driver_call_nesting
+#define ERROR_RECT(code_value)\
+		BEGIN\
+		    band_code = (code_value);\
+		    goto error_in_rect;\
+		END
+#define TRY_RECT\
+		BEGIN\
+		    do
+#define HANDLE_RECT_UNLESS(codevar, unless_clause)\
+		    while (codevar < 0 &&\
+			   !(codevar = clist_VMerror_recover(cdev, (codevar)))\
+			   );\
+		    if (codevar < 0 && !(unless_clause))\
+			ERROR_RECT(codevar);\
+		END
+#define HANDLE_RECT(codevar)\
+		HANDLE_RECT_UNLESS(codevar, 0)
+#define END_RECTS_ON_ERROR(retry_cleanup, is_error, after_recovering)\
+	    continue;\
+error_in_rect:\
+		if (cdev->error_is_retryable) {\
+		    retry_cleanup;\
+		    if ((is_error) &&\
+			cdev->driver_call_nesting == 0 &&\
+			(band_code =\
+			 clist_VMerror_recover_flush(cdev, band_code)) >= 0 &&\
+			(after_recovering)\
+			)\
+			goto retry_rect;\
+		}\
+		return band_code;\
+	} while ((y += height) < yend);\
+    END
+#define END_RECTS END_RECTS_ON_ERROR(DO_NOTHING, 1, 1)
+
+/* ------ Exported by gxclrect.c ------ */
+
+/* Put out a fill or tile rectangle command. */
+int cmd_write_rect_cmd(P7(gx_device_clist_writer * cldev,
+			  gx_clist_state * pcls,
+			  int op, int x, int y, int width, int height));
+
+/* ------ Exported by gxclbits.c ------ */
+
+/*
+ * Put a bitmap in the buffer, compressing if appropriate.
+ * pcls == 0 means put the bitmap in all bands.
+ * Return <0 if error, otherwise the compression method.
+ * A return value of gs_error_limitcheck means that the bitmap was too big
+ * to fit in the command reading buffer.
+ * Note that this leaves room for the command and initial arguments,
+ * but doesn't fill them in.
+ *
+ * If decompress_elsewhere is set in the compression_mask, it is OK
+ * to write out a compressed bitmap whose decompressed size is too large
+ * to fit in the command reading buffer.  (This is OK when reading a
+ * cached bitmap, but not a bitmap for a one-time copy operation.)
+ */
+#define decompress_elsewhere 0x100
+/*
+ * If decompress_spread is set, the decompressed data will be spread out
+ * for replication, so we drop all the padding even if the width is
+ * greater than cmd_max_short_width_bytes (see above).
+ */
+#define decompress_spread 0x200
+
+int cmd_put_bits(P10(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		     const byte * data, uint width_bits, uint height,
+		     uint raster, int op_size, int compression_mask,
+		     byte ** pdp, uint * psize));
+
+/*
+ * Put out commands for a color map (transfer function, black generation, or
+ * undercolor removal).  If pid != 0, write the map only if its ID differs
+ * from the current one, and update the saved ID in the case.
+ */
+typedef enum {
+    cmd_map_transfer = 0,	/* all transfer functions */
+    cmd_map_transfer_0,		/* transfer[0] */
+    cmd_map_transfer_1,		/* transfer[1] */
+    cmd_map_transfer_2,		/* transfer[2] */
+    cmd_map_transfer_3,		/* transfer[3] */
+    cmd_map_ht_transfer,	/* transfer fn of most recent halftone order */
+    cmd_map_black_generation,
+    cmd_map_undercolor_removal
+} cmd_map_index;
+int cmd_put_color_map(P4(gx_device_clist_writer * cldev,
+			 cmd_map_index map_index,
+			 const gx_transfer_map * map, gs_id * pid));
+
+/*
+ * Change tiles for clist_tile_rectangle.  (We make this a separate
+ * procedure primarily for readability.)
+ */
+int clist_change_tile(P4(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+			 const gx_strip_bitmap * tiles, int depth));
+
+/*
+ * Change "tile" for clist_copy_*.  Only uses tiles->{data, id, raster,
+ * rep_width, rep_height}.  tiles->[rep_]shift must be zero.
+ */
+int clist_change_bits(P4(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+			 const gx_strip_bitmap * tiles, int depth));
+
+/* ------ Exported by gxclimag.c ------ */
+
+/*
+ * Add commands to represent a full (device) halftone.
+ * (This routine should probably be in some other module.)
+ * ****** Note: the type parameter is now unnecessary, because device
+ * halftones record the type. ******
+ */
+int cmd_put_halftone(P3(gx_device_clist_writer * cldev,
+		   const gx_device_halftone * pdht, gs_halftone_type type));
+
+/* ------ Exported by gxclrast.c for gxclread.c ------ */
+
+/*
+ * Define whether we are actually rendering a band, or just executing
+ * the put_params that occurs at the beginning of each page.
+ */
+typedef enum {
+    playback_action_render,
+    playback_action_setup
+} clist_playback_action;
+
+/* Play back and rasterize one band. */
+int clist_playback_band(P7(clist_playback_action action,
+			   gx_device_clist_reader *cdev,
+			   stream *s, gx_device *target,
+			   int x0, int y0, gs_memory_t *mem));
+
+#endif /* gxcldev_INCLUDED */
diff --git a/pstoraster/gxclimag.c b/pstoraster/gxclimag.c
new file mode 100644
index 000000000..6209c95ca
--- /dev/null
+++ b/pstoraster/gxclimag.c
@@ -0,0 +1,1316 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Higher-level image operations for band lists */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gscspace.h"
+#include "gxarith.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxclpath.h"
+#include "gxfmap.h"
+#include "gxiparam.h"
+#include "gxpath.h"
+#include "strimpl.h"		/* for siscale.h */
+#include "siscale.h"
+
+/* Define whether we should use high-level images. */
+/* (See below for additional restrictions.) */
+static bool USE_HL_IMAGES = true;
+
+/* Forward references */
+private int cmd_put_color_mapping(P3(gx_device_clist_writer * cldev,
+				     const gs_imager_state * pis,
+				     bool write_rgb_to_cmyk));
+private bool check_rect_for_trivial_clip(P5(
+    const gx_clip_path *pcpath,  /* May be NULL, clip to evaluate */
+    int px, int py, int qx, int qy  /* corners of box to test */
+));
+
+/* ------ Driver procedures ------ */
+
+int
+clist_fill_mask(gx_device * dev,
+		const byte * data, int data_x, int raster, gx_bitmap_id id,
+		int x, int y, int width, int height,
+		const gx_drawing_color * pdcolor, int depth,
+		gs_logical_operation_t lop, const gx_clip_path * pcpath)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    const byte *orig_data = data;	/* for writing tile */
+    int orig_data_x = data_x;	/* ditto */
+    int orig_x = x;		/* ditto */
+    int orig_width = width;	/* ditto */
+    int orig_height = height;	/* ditto */
+    int log2_depth = depth >> 1;	/* works for 1,2,4 */
+    int y0;
+    int data_x_bit;
+    byte copy_op =
+	(depth > 1 ? cmd_op_copy_color_alpha :
+	 gx_dc_is_pure(pdcolor) ? cmd_op_copy_mono :
+	 cmd_op_copy_mono + cmd_copy_ht_color);
+
+    fit_copy(dev, data, data_x, raster, id, x, y, width, height);
+    y0 = y;			/* must do after fit_copy */
+
+    /* If non-trivial clipping & complex clipping disabled, default */
+    if ((cdev->disable_mask & clist_disable_complex_clip) &&
+	!check_rect_for_trivial_clip(pcpath, x, y, x + width, y + height)
+	)
+	return gx_default_fill_mask(dev, data, data_x, raster, id,
+				    x, y, width, height, pdcolor, depth,
+				    lop, pcpath);
+    if (cmd_check_clip_path(cdev, pcpath))
+	cmd_clear_known(cdev, clip_path_known);
+    data_x_bit = data_x << log2_depth;
+    FOR_RECTS {
+	int dx = (data_x_bit & 7) >> log2_depth;
+	const byte *row = data + (y - y0) * raster + (data_x_bit >> 3);
+	int code;
+
+	TRY_RECT {
+	    code = cmd_update_lop(cdev, pcls, lop);
+	} HANDLE_RECT(code);
+	if (depth > 1 && !pcls->color_is_alpha) {
+	    byte *dp;
+
+	    TRY_RECT {
+		code =
+		    set_cmd_put_op(dp, cdev, pcls, cmd_opv_set_copy_alpha, 1);
+	    } HANDLE_RECT(code);
+	    pcls->color_is_alpha = 1;
+	}
+	TRY_RECT {
+	    code = cmd_do_write_unknown(cdev, pcls, clip_path_known);
+	    if (code >= 0)
+		code = cmd_do_enable_clip(cdev, pcls, pcpath != NULL);
+	} HANDLE_RECT(code);
+	TRY_RECT {
+	    code = cmd_put_drawing_color(cdev, pcls, pdcolor);
+	} HANDLE_RECT(code);
+	/*
+	 * Unfortunately, painting a character with a halftone requires the
+	 * use of two bitmaps, a situation that we can neither represent in
+	 * the band list nor guarantee will both be present in the tile
+	 * cache; in this case, we always write the bits of the character.
+	 *
+	 * We could handle more RasterOp cases here directly, but it
+	 * doesn't seem worth the trouble right now.
+	 */
+	if (id != gx_no_bitmap_id && gx_dc_is_pure(pdcolor) &&
+	    lop == lop_default
+	    ) {			/* This is a character.  ****** WRONG IF HALFTONE CELL. ***** */
+	    /* Put it in the cache if possible. */
+	    ulong offset_temp;
+
+	    if (!cls_has_tile_id(cdev, pcls, id, offset_temp)) {
+		gx_strip_bitmap tile;
+
+		tile.data = (byte *) orig_data;	/* actually const */
+		tile.raster = raster;
+		tile.size.x = tile.rep_width = orig_width;
+		tile.size.y = tile.rep_height = orig_height;
+		tile.rep_shift = tile.shift = 0;
+		tile.id = id;
+		TRY_RECT {
+		    code = clist_change_bits(cdev, pcls, &tile, depth);
+		} HANDLE_RECT_UNLESS(code,
+		    (code != gs_error_VMerror || !cdev->error_is_retryable) );
+		if (code < 0) {
+		    /* Something went wrong; just copy the bits. */
+		    goto copy;
+		}
+	    } {
+		gx_cmd_rect rect;
+		int rsize;
+		byte op = copy_op + cmd_copy_use_tile;
+		byte *dp;
+
+		/* Output a command to copy the entire character. */
+		/* It will be truncated properly per band. */
+		rect.x = orig_x, rect.y = y0;
+		rect.width = orig_width, rect.height = yend - y0;
+		rsize = 1 + cmd_sizexy(rect);
+		TRY_RECT {
+		    code = 0;
+		    if (orig_data_x) {
+			int dx_msb = orig_data_x >> 5;
+
+			code = set_cmd_put_op(dp, cdev, pcls, cmd_opv_set_misc,
+					      2 + cmd_size_w(dx_msb));
+			if (code >= 0) {
+			    if (dx_msb) {
+				dp[1] = cmd_set_misc_data_x + 0x20 +
+				    (orig_data_x & 0x1f);
+				cmd_put_w(dx_msb, dp + 2);
+			    } else
+				dp[1] = cmd_set_misc_data_x + orig_data_x;
+			}
+		    }
+		    if (code >= 0)
+			code = set_cmd_put_op(dp, cdev, pcls, op, rsize);
+		} HANDLE_RECT(code);
+		dp++;
+		cmd_putxy(rect, dp);
+		pcls->rect = rect;
+		goto end;
+	    }
+	}
+copy:	/*
+	 * The default fill_mask implementation uses strip_copy_rop;
+	 * this is exactly what we want.
+	 */
+	TRY_RECT {
+	    NEST_RECT {
+		code = gx_default_fill_mask(dev, row, dx, raster,
+					(y == y0 && height == orig_height &&
+					 dx == orig_data_x ? id :
+					 gx_no_bitmap_id),
+					    x, y, width, height, pdcolor,
+					    depth, lop, pcpath);
+	    } UNNEST_RECT;
+	} HANDLE_RECT(code);
+end:
+	;
+    } END_RECTS;
+	return 0;
+}
+
+/* ------ Bitmap image driver procedures ------ */
+
+/* Define the structure for keeping track of progress through an image. */
+typedef struct clist_image_enum_s {
+    gx_image_enum_common;
+    /* Arguments of begin_image */
+    gs_memory_t *memory;
+    gs_image_t image;
+    gx_drawing_color dcolor;
+    gs_int_rect rect;
+    const gs_imager_state *pis;
+    const gx_clip_path *pcpath;
+    /* Set at creation time */
+    gx_image_enum_common_t *default_info;
+    gs_image_format_t format;
+    gs_int_point support;	/* extra source pixels for interpolation */
+    int bits_per_plane;		/* bits per pixel per plane */
+    gs_matrix matrix;		/* image space -> device space */
+    bool uses_color;
+    byte color_space;
+    int ymin, ymax;
+    bool map_rgb_to_cmyk;
+    /* begin_image command prepared & ready to output */
+    byte begin_image_command[3 + 2 * cmd_sizew_max + 14 * sizeof(float) +
+			     4 * cmd_sizew_max];
+    int begin_image_command_length;
+    /* Updated dynamically */
+    int y;
+    bool color_map_is_known;
+} clist_image_enum;
+
+/* We can disregard the pointers in the writer by allocating */
+/* the image enumerator as immovable.  This is a hack, of course. */
+gs_private_st_ptrs1(st_clist_image_enum, clist_image_enum, "clist_image_enum",
+     clist_image_enum_enum_ptrs, clist_image_enum_reloc_ptrs, default_info);
+
+private image_enum_proc_plane_data(clist_image_plane_data);
+private image_enum_proc_end_image(clist_image_end_image);
+private const gx_image_enum_procs_t clist_image_enum_procs =
+{
+    clist_image_plane_data, clist_image_end_image
+};
+
+/* Forward declarations */
+private bool image_band_box(P5(gx_device * dev, const clist_image_enum * pie,
+			       int y, int h, gs_int_rect * pbox));
+private int begin_image_command(P5(byte *cbuf, const gs_image_t *pim,
+				   gs_image_format_t format,
+				   int num_components, bool indexed));
+private int cmd_image_plane_data(P7(gx_device_clist_writer * cldev,
+				    gx_clist_state * pcls,
+				    const gx_image_plane_t * planes,
+				    const gx_image_enum_common_t * pie,
+				    uint bytes_per_plane,
+				    const uint * offsets, int h));
+private uint clist_image_unknowns(P2(gx_device *dev,
+				     const clist_image_enum *pie));
+private int write_image_end_all(P2(gx_device *dev,
+				   const clist_image_enum *pie));
+
+/*
+ * Since currently we are limited to writing a single subrectangle of the
+ * image for each band, images that are rotated by angles other than
+ * multiples of 90 degrees may wind up writing many copies of the data.
+ * Eventually we will fix this by breaking up the image into multiple
+ * subrectangles, but for now, don't use the high-level approach if it would
+ * cause the data to explode because of this.
+ */
+private bool
+image_matrix_ok_to_band(const gs_matrix * pmat)
+{
+    /* Don't band if the matrix is (nearly) singular. */
+    if (fabs(pmat->xx * pmat->yy - pmat->xy * pmat->yx) < 0.001)
+	return false;
+    if (is_xxyy(pmat) || is_xyyx(pmat))
+	return true;
+    return false;
+}
+
+/* Start processing an image. */
+int
+clist_begin_image(gx_device * dev,
+		  const gs_imager_state * pis, const gs_image_t * pim,
+		  gs_image_format_t format, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		  gs_memory_t * mem, gx_image_enum_common_t ** pinfo)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    clist_image_enum *pie;
+    int base_index;
+    bool indexed;
+    int num_components;
+    int bits_per_pixel;
+    bool uses_color;
+    bool varying_depths = false;
+    gs_matrix mat;
+    gs_rect sbox, dbox;
+    bool use_default_image;
+    int code;
+
+    /* See above for why we allocate the enumerator as immovable. */
+    pie = gs_alloc_struct_immovable(mem, clist_image_enum,
+				    &st_clist_image_enum,
+				    "clist_begin_image");
+    if (pie == 0)
+	return_error(gs_error_VMerror);
+    pie->memory = mem;
+    *pinfo = (gx_image_enum_common_t *) pie;
+    /* num_planes and plane_depths[] are set later, */
+    /* by gx_image_enum_common_init. */
+    if (pim->ImageMask) {
+	base_index = gs_color_space_index_DeviceGray;	/* arbitrary */
+	indexed = false;
+	num_components = 1;
+	uses_color = true;
+    } else {
+	const gs_color_space *pcs = pim->ColorSpace;
+
+	base_index = gs_color_space_get_index(pcs);
+	if (base_index == gs_color_space_index_Indexed) {
+	    const gs_color_space *pbcs =
+	    gs_color_space_indexed_base_space(pcs);
+
+	    indexed = true;
+	    base_index = gs_color_space_get_index(pbcs);
+	    num_components = 1;
+	} else {
+	    indexed = false;
+	    num_components = gs_color_space_num_components(pcs);
+	}
+	uses_color = pim->CombineWithColor && rop3_uses_T(pis->log_op);
+    }
+    code = gx_image_enum_common_init((gx_image_enum_common_t *) pie,
+				     (const gs_image_common_t *) pim,
+				     &clist_image_enum_procs, dev,
+				     pim->BitsPerComponent,
+				     num_components, format);
+    {
+	int i;
+
+	for (i = 1; i < pie->num_planes; ++i)
+	    varying_depths |= pie->plane_depths[i] != pie->plane_depths[0];
+    }
+    use_default_image =
+	(code < 0 ||
+	 !USE_HL_IMAGES ||	/* Always use the default. */
+	 (cdev->disable_mask & clist_disable_hl_image) || 
+	 cdev->image_enum_id != gs_no_id ||  /* Can't handle nested images */
+	 /****** CAN'T HANDLE CIE COLOR YET ******/
+	 base_index > gs_color_space_index_DeviceCMYK ||
+	 /****** CAN'T HANDLE INDEXED COLOR (READING MAP) ******/
+	 indexed ||
+	 /****** CAN'T HANDLE NON-PURE COLORS YET ******/
+	 (uses_color && !gx_dc_is_pure(pdcolor)) ||
+	 /****** CAN'T HANDLE IMAGES WITH ALPHA YET ******/
+	 pim->Alpha ||
+	 /****** CAN'T HANDLE IMAGES WITH IRREGULAR DEPTHS ******/
+	 varying_depths ||
+	 (code = gs_matrix_invert(&pim->ImageMatrix, &mat)) < 0 ||
+	 (code = gs_matrix_multiply(&mat, &ctm_only(pis), &mat)) < 0 ||
+	 !(cdev->disable_mask & clist_disable_nonrect_hl_image ?
+	   (is_xxyy(&mat) || is_xyyx(&mat)) :
+	   image_matrix_ok_to_band(&mat))
+	 );
+    if (!use_default_image) {
+	int bytes_per_plane, bytes_per_row;
+
+	bits_per_pixel = pim->BitsPerComponent * num_components;
+	pie->default_info = 0;
+	pie->image = *pim;
+	pie->dcolor = *pdcolor;
+	if (prect)
+	    pie->rect = *prect;
+	else {
+	    pie->rect.p.x = 0, pie->rect.p.y = 0;
+	    pie->rect.q.x = pim->Width, pie->rect.q.y = pim->Height;
+	}
+	pie->pis = pis;
+	pie->pcpath = pcpath;
+	pie->format = format;
+	pie->bits_per_plane = bits_per_pixel / pie->num_planes;
+	pie->matrix = mat;
+	pie->uses_color = uses_color;
+	pie->color_space = (base_index << 4) |
+	    (indexed ? (pim->ColorSpace->params.indexed.use_proc ? 12 : 8) : 0);
+	pie->y = pie->rect.p.y;
+
+	/* Image row has to fit in cmd writer's buffer */
+	bytes_per_plane =
+	    (pim->Width * pie->bits_per_plane + 7) >> 3;
+	bytes_per_row = bytes_per_plane * pie->num_planes;
+	bytes_per_row = max(bytes_per_row, 1);
+	use_default_image = cmd_largest_size + bytes_per_row >
+	    cdev->cend - cdev->cbuf;
+    }
+    if (!use_default_image) {
+	sbox.p.x = pie->rect.p.x;
+	sbox.p.y = pie->rect.p.y;
+	sbox.q.x = pie->rect.q.x;
+	sbox.q.y = pie->rect.q.y;
+	gs_bbox_transform(&sbox, &mat, &dbox);
+
+	if (cdev->disable_mask & clist_disable_complex_clip)
+	    use_default_image =
+		!check_rect_for_trivial_clip( pcpath,
+				(int)(dbox.p.x), (int)(dbox.p.y),
+				(int)ceil(dbox.q.x), (int)ceil(dbox.q.y) );
+    }
+    pie->map_rgb_to_cmyk = dev->color_info.num_components == 4 &&
+	base_index == gs_color_space_index_DeviceRGB;
+    pie->color_map_is_known = false;
+    if (use_default_image) {
+	int code = gx_default_begin_image(dev, pis, pim, format, prect,
+					  pdcolor, pcpath, mem,
+					  &pie->default_info);
+
+	if (code < 0)
+	    gs_free_object(mem, pie, "clist_begin_image");
+	return code;
+    }
+
+    /* Create the begin_image command. */
+
+    pie->begin_image_command_length =
+	begin_image_command(pie->begin_image_command, pim, format,
+			    num_components, indexed);
+    if (pim->Interpolate)
+	pie->support.x = pie->support.y = max_support + 1;
+    else
+	pie->support.x = pie->support.y = 0;
+    sbox.p.x = pie->rect.p.x - pie->support.x;
+    sbox.p.y = pie->rect.p.y - pie->support.y;
+    sbox.q.x = pie->rect.q.x + pie->support.x;
+    sbox.q.y = pie->rect.q.y + pie->support.y;
+    gs_bbox_transform(&sbox, &pie->matrix, &dbox);
+    {
+	int y0 = (int)floor(dbox.p.y - 0.51);	/* adjust + rounding slop */
+	int y1 = (int)ceil(dbox.q.y + 0.51);	/* ditto */
+
+	pie->ymin = max(y0, 0);
+	pie->ymax = min(y1, dev->height);
+    }
+
+    /*
+     * Make sure the CTM, color space, and clipping region (and, for
+     * masked images or images with CombineWithColor, the current color)
+     * are known at the time of the begin_image command.
+     */
+    cmd_clear_known(cdev, clist_image_unknowns(dev, pie) | begin_image_known);
+
+    cdev->image_enum_id = pie->id;
+    return 0;
+}
+
+/* Process the next piece of an image. */
+private int
+clist_image_plane_data(gx_device * dev,
+     gx_image_enum_common_t * info, const gx_image_plane_t * planes, int yh)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    clist_image_enum *pie = (clist_image_enum *) info;
+    gs_rect sbox, dbox;
+    int y0, y1;
+    int y, height;		/* for BEGIN/END_RECT */
+    int code;
+
+    if (pie->default_info)
+	return gx_image_plane_data(pie->default_info, planes, yh);
+#ifdef DEBUG
+    if (pie->id != cdev->image_enum_id) {
+	lprintf2("end_image id = %lu != clist image id = %lu!\n",
+		 (ulong) pie->id, (ulong) cdev->image_enum_id);
+	return_error(gs_error_Fatal);
+    }
+#endif
+    /****** CAN'T HANDLE VARYING data_x VALUES YET ******/
+    {
+	int i;
+
+	for (i = 1; i < info->num_planes; ++i)
+	    if (planes[i].data_x != planes[0].data_x)
+		return_error(gs_error_rangecheck);
+    }
+    sbox.p.x = pie->rect.p.x - pie->support.x;
+    sbox.p.y = (y0 = pie->y) - pie->support.y;
+    sbox.q.x = pie->rect.q.x + pie->support.x;
+    sbox.q.y = (y1 = pie->y += yh) + pie->support.y;
+    gs_bbox_transform(&sbox, &pie->matrix, &dbox);
+    /*
+     * In order to keep the band list consistent, we must write out
+     * the image data in precisely those bands whose begin_image
+     * Y range includes the respective image scan lines.  Because of
+     * rounding, we must expand the dbox by a little extra, and then
+     * use image_band_box to calculate the precise range for each band.
+     * This is slow, but we don't see any faster way to do it in the
+     * general case.
+     */
+    {
+	int ry0 = (int)floor(dbox.p.y) - 2;
+	int ry1 = (int)ceil(dbox.q.y) + 2;
+	int band_height = cdev->page_band_height;
+
+	/*
+	 * Make sure we don't go beyond the Y range determined at
+	 * begin_image time.
+	 */
+	if (ry0 < pie->ymin)
+	    ry0 = pie->ymin;
+	if (ry1 > pie->ymax)
+	    ry1 = pie->ymax;
+	y = ry0 / band_height * band_height;
+	height = min(round_up(ry1, band_height), dev->height) - y;
+    }
+
+    FOR_RECTS {
+	/*
+	 * Just transmit the subset of the data that intersects this band.
+	 * Note that y and height always define a complete band.
+	 */
+	gs_int_rect ibox;
+#define bx0 ibox.p.x
+#define by0 ibox.p.y
+#define bx1 ibox.q.x
+#define by1 ibox.q.y
+	int bpp = pie->bits_per_plane;
+	int num_planes = pie->num_planes;
+	uint offsets[gs_image_max_components];
+	int i, iy, ih, xskip, nrows;
+	uint bytes_per_plane, bytes_per_row, rows_per_cmd;
+
+	if (!image_band_box(dev, pie, y, height, &ibox))
+	    continue;
+
+	/* Write out begin_image & its preamble for this band */
+	if (!(pcls->known & begin_image_known)) {
+	    gs_logical_operation_t lop = pie->pis->log_op;
+	    byte *dp;
+	    gs_int_rect entire_box;
+	    byte cb = pie->begin_image_command[0];
+	    byte *bp = pie->begin_image_command +
+		pie->begin_image_command_length;
+	    uint len;
+	    uint band_ymax, band_ymin;
+
+	    /* Compute intersection of entire band & entire image src rect */
+	    band_ymax = min(band_end, pie->ymax);
+	    band_ymin = max(band_end - band_height, pie->ymin);
+	    if (!image_band_box(dev, pie, band_ymin,
+				band_ymax - band_ymin, &entire_box))
+		continue;
+
+	    /* Make sure the imager state is up to date. */
+	    TRY_RECT {
+	        code = (pie->color_map_is_known ? 0 :
+			cmd_put_color_mapping(cdev, pie->pis,
+					      pie->map_rgb_to_cmyk));
+		pie->color_map_is_known = true;
+		if (code >= 0)
+		    code = cmd_do_write_unknown(cdev, pcls,
+			ctm_known | clip_path_known | color_space_known);
+		if (code >= 0)
+		    code = cmd_do_enable_clip(cdev, pcls, pie->pcpath != NULL);
+		if (code >= 0)
+		    code = cmd_update_lop(cdev, pcls, lop);
+	    } HANDLE_RECT(code);
+	    if (pie->uses_color) {
+ 	        TRY_RECT {
+		    code = cmd_put_drawing_color(cdev, pcls, &pie->dcolor);
+		} HANDLE_RECT(code);
+	    }
+	    if (entire_box.p.x != 0 || entire_box.p.y != 0 ||
+		entire_box.q.x != pie->image.Width ||
+		entire_box.q.y != pie->image.Height
+		) {
+ 	        cb |= 1 << 0;
+		cmd_put2w(entire_box.p.x, entire_box.p.y, bp);
+		cmd_put2w(pie->image.Width - entire_box.q.x,
+			  pie->image.Height - entire_box.q.y, bp);
+ 	        }
+	    len = bp - pie->begin_image_command;
+	    TRY_RECT {
+		code =
+		    set_cmd_put_op(dp, cdev, pcls, cmd_opv_begin_image,
+				   1 + len);
+	    } HANDLE_RECT(code);
+	    dp[1] = cb;
+	    memcpy(dp + 2, pie->begin_image_command + 1, len - 1);
+ 
+	    /* Mark band's begin_image as known */
+	    pcls->known |= begin_image_known;
+	}
+
+	if (by0 < y0)
+	    by0 = y0;
+	if (by1 > y1)
+	    by1 = y1;
+	/*
+	 * Make sure we're skipping an integral number of pixels, by
+	 * truncating the initial X coordinate to the next lower
+	 * value that is an exact multiple of a byte.
+	 */
+	xskip = bx0 & -(int)"\001\010\004\010\002\010\004\010"[bpp & 7];
+	for (i = 0; i < num_planes; ++i)
+	    offsets[i] = (by0 - y0) * planes[i].raster + ((xskip * bpp) >> 3);
+	xskip = bx0 - xskip;
+	bytes_per_plane = ((xskip + bx1 - bx0) * bpp + 7) >> 3;
+	bytes_per_row = bytes_per_plane * pie->num_planes;
+	rows_per_cmd =
+	    (cbuf_size - cmd_largest_size) / max(bytes_per_row, 1);
+
+	if (rows_per_cmd == 0) {	/* The reader will have to buffer a row separately. */
+	    rows_per_cmd = 1;
+	}
+	for (iy = by0, ih = by1 - by0; ih > 0; iy += nrows, ih -= nrows) {
+	    nrows = min(ih, rows_per_cmd);
+	    TRY_RECT {
+		code = cmd_image_plane_data(cdev, pcls, planes, info,
+					    bytes_per_plane, offsets, nrows);
+	    } HANDLE_RECT(code);
+	    for (i = 0; i < num_planes; ++i)
+		offsets[i] += planes[i].raster * nrows;
+	}
+#undef bx0
+#undef by0
+#undef bx1
+#undef by1
+    } END_RECTS_ON_ERROR(\
+	BEGIN\
+	    ++cdev->ignore_lo_mem_warnings;\
+	    NEST_RECT {\
+		code = write_image_end_all(dev, pie);\
+	    } UNNEST_RECT;\
+	    --cdev->ignore_lo_mem_warnings;\
+	END,\
+	(code < 0 ? (band_code = code) : code) >= 0,\
+	(cmd_clear_known(cdev,\
+	    clist_image_unknowns(dev, pie) | begin_image_known),\
+	 pie->color_map_is_known = false, true)\
+	);
+    /* Update sub-rect in case memory exhaustion forced end_image */
+    if (!pie->image.Interpolate)
+	pie->rect.p.y += yh;  /* interpolate & mem recovery currently incompat */
+    return pie->y >= pie->rect.q.y;
+}
+
+/* Clean up by releasing the buffers. */
+private int
+clist_image_end_image(gx_device * dev, gx_image_enum_common_t * info,
+		      bool draw_last)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    clist_image_enum *pie = (clist_image_enum *) info;
+    int code;
+
+    if (pie->default_info)
+	code = gx_default_end_image(dev, pie->default_info, draw_last);
+    else {
+#ifdef DEBUG
+	if (pie->id != cdev->image_enum_id) {
+	    lprintf2("end_image id = %lu != clist image id = %lu!\n",
+		     (ulong) pie->id, (ulong) cdev->image_enum_id);
+	    return_error(gs_error_Fatal);
+	}
+#endif
+	NEST_RECT {
+ 	    do {
+		code = write_image_end_all(dev, pie);
+	    } while (code < 0 && cdev->error_is_retryable &&
+		     (code = clist_VMerror_recover(cdev, code)) >= 0
+		     );
+ 	    /* if couldn't write successsfully, do a hard flush */
+ 	    if (code < 0 && cdev->error_is_retryable) {
+		int retry_code;
+		++cdev->ignore_lo_mem_warnings;
+		retry_code = write_image_end_all(dev, pie); /* force it out */
+		--cdev->ignore_lo_mem_warnings;
+		if (retry_code >= 0 && cdev->driver_call_nesting == 0)
+		    code = clist_VMerror_recover_flush(cdev, code);
+	    }
+	} UNNEST_RECT;
+	cdev->image_enum_id = gs_no_id;
+    }
+    gs_free_object(pie->memory, pie, "clist_image_end_image");
+    return code;
+}
+
+/* Start processing a general image. */
+int
+clist_begin_typed_image(gx_device * dev,
+			const gs_imager_state * pis, const gs_matrix * pmat,
+		   const gs_image_common_t * pim, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+			gs_memory_t * mem, gx_image_enum_common_t ** pinfo)
+{
+    /****** NYI ******/
+    return gx_default_begin_typed_image(dev, pis, pmat, pim, prect,
+					pdcolor, pcpath, mem, pinfo);
+}
+
+/* Create a compositor device. */
+int
+clist_create_compositor(gx_device * dev,
+			gx_device ** pcdev, const gs_composite_t * pcte,
+			const gs_imager_state * pis, gs_memory_t * mem)
+{
+    /****** NYI ******/
+    return gx_no_create_compositor(dev, pcdev, pcte, pis, mem);
+}
+
+/* ------ Utilities ------ */
+
+/* Add commands to represent a halftone order. */
+private int
+cmd_put_ht_order(gx_device_clist_writer * cldev, const gx_ht_order * porder,
+		 gs_ht_separation_name cname,
+		 int component /* -1 = default/gray/black screen */ )
+{
+    byte command[cmd_max_intsize(sizeof(long)) * 8];
+    byte *cp;
+    uint len;
+    byte *dp;
+    uint i, n;
+    int code;
+
+    /* Put out the order parameters. */
+    cp = cmd_put_w(component + 1, command);
+    if (component >= 0)
+	cp = cmd_put_w(cname, cp);
+    cp = cmd_put_w(porder->width, cp);
+    cp = cmd_put_w(porder->height, cp);
+    cp = cmd_put_w(porder->raster, cp);
+    cp = cmd_put_w(porder->shift, cp);
+    cp = cmd_put_w(porder->num_levels, cp);
+    cp = cmd_put_w(porder->num_bits, cp);
+    len = cp - command;
+    code = set_cmd_put_all_op(dp, cldev, cmd_opv_set_ht_order, len + 1);
+    if (code < 0)
+	return code;
+    memcpy(dp + 1, command, len);
+
+    /* Put out the transfer function, if any. */
+    code = cmd_put_color_map(cldev, cmd_map_ht_transfer, porder->transfer,
+			     NULL);
+    if (code < 0)
+	return code;
+
+    /* Put out the levels array. */
+#define nlevels min((cbuf_size - 2) / sizeof(*porder->levels), 255)
+    for (i = 0; i < porder->num_levels; i += n) {
+	n = porder->num_levels - i;
+	if (n > nlevels)
+	    n = nlevels;
+	code = set_cmd_put_all_op(dp, cldev, cmd_opv_set_ht_data,
+				  2 + n * sizeof(*porder->levels));
+	if (code < 0)
+	    return code;
+	dp[1] = n;
+	memcpy(dp + 2, porder->levels + i, n * sizeof(*porder->levels));
+    }
+#undef nlevels
+
+    /* Put out the bits array. */
+#define nbits min((cbuf_size - 2) / sizeof(*porder->bits), 255)
+    for (i = 0; i < porder->num_bits; i += n) {
+	n = porder->num_bits - i;
+	if (n > nbits)
+	    n = nbits;
+	code = set_cmd_put_all_op(dp, cldev, cmd_opv_set_ht_data,
+				  2 + n * sizeof(*porder->bits));
+	if (code < 0)
+	    return code;
+	dp[1] = n;
+	memcpy(dp + 2, porder->bits + i, n * sizeof(*porder->bits));
+    }
+#undef nbits
+
+    return 0;
+}
+
+/* Add commands to represent a full (device) halftone. */
+/* We put out the default/gray/black screen last so that the reading */
+/* pass can recognize the end of the halftone. */
+int
+cmd_put_halftone(gx_device_clist_writer * cldev, const gx_device_halftone * pdht,
+		 gs_halftone_type type)
+{
+    uint num_comp = (pdht->components == 0 ? 0 : pdht->num_comp);
+
+    {
+	byte *dp;
+	int code = set_cmd_put_all_op(dp, cldev, cmd_opv_set_misc,
+				      2 + cmd_size_w(num_comp));
+
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc_halftone + type;
+	cmd_put_w(num_comp, dp + 2);
+    }
+    if (num_comp == 0)
+	return cmd_put_ht_order(cldev, &pdht->order,
+				gs_ht_separation_Default, -1);
+    {
+	int i;
+
+	for (i = num_comp; --i >= 0;) {
+	    int code = cmd_put_ht_order(cldev, &pdht->components[i].corder,
+					pdht->components[i].cname, i);
+
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
+
+/* Write out any necessary color mapping data. */
+private int
+cmd_put_color_mapping(gx_device_clist_writer * cldev,
+		      const gs_imager_state * pis, bool write_rgb_to_cmyk)
+{
+    int code;
+    const gx_device_halftone *pdht = pis->dev_ht;
+
+    /* Put out the halftone. */
+    if (pdht->id != cldev->device_halftone_id) {
+	code = cmd_put_halftone(cldev, pdht, pis->halftone->type);
+	if (code < 0)
+	    return code;
+	cldev->device_halftone_id = pdht->id;
+    }
+    /* If we need to map RGB to CMYK, put out b.g. and u.c.r. */
+    if (write_rgb_to_cmyk) {
+	code = cmd_put_color_map(cldev, cmd_map_black_generation,
+				 pis->black_generation,
+				 &cldev->black_generation_id);
+	if (code < 0)
+	    return code;
+	code = cmd_put_color_map(cldev, cmd_map_undercolor_removal,
+				 pis->undercolor_removal,
+				 &cldev->undercolor_removal_id);
+	if (code < 0)
+	    return code;
+    }
+    /* Now put out the transfer functions. */
+    {
+	uint which = 0;
+	bool all_same = true;
+	int i;
+
+	for (i = 0; i < countof(cldev->transfer_ids); ++i) {
+	    if (pis->effective_transfer.indexed[i]->id !=
+		cldev->transfer_ids[i]
+		)
+		which |= 1 << i;
+	    if (pis->effective_transfer.indexed[i]->id !=
+		pis->effective_transfer.indexed[0]->id
+		)
+		all_same = false;
+	}
+	/* There are 3 cases for transfer functions: nothing to write, */
+	/* a single function, and multiple functions. */
+	if (which == 0)
+	    return 0;
+	if (which == (1 << countof(cldev->transfer_ids)) - 1 && all_same) {
+	    code = cmd_put_color_map(cldev, cmd_map_transfer,
+				     pis->effective_transfer.indexed[0],
+				     &cldev->transfer_ids[0]);
+	    if (code < 0)
+		return code;
+	    for (i = 1; i < countof(cldev->transfer_ids); ++i)
+		cldev->transfer_ids[i] = cldev->transfer_ids[0];
+	} else
+	    for (i = 0; i < countof(cldev->transfer_ids); ++i) {
+		code = cmd_put_color_map(cldev,
+				   (cmd_map_index) (cmd_map_transfer_0 + i),
+					 pis->effective_transfer.indexed[i],
+					 &cldev->transfer_ids[i]);
+		if (code < 0)
+		    return code;
+	    }
+    }
+
+    return 0;
+}
+
+/*
+ * Compute the subrectangle of an image that intersects a band;
+ * return false if it is empty.
+ * It is OK for this to be too large; in fact, with the present
+ * algorithm, it will be quite a bit too large if the transformation isn't
+ * well-behaved ("well-behaved" meaning either xy = yx = 0 or xx = yy = 0).
+ */
+#define I_FLOOR(x) ((int)floor(x))
+#define I_CEIL(x) ((int)ceil(x))
+private void
+box_merge_point(gs_int_rect * pbox, floatp x, floatp y)
+{
+    int t;
+
+    if ((t = I_FLOOR(x)) < pbox->p.x)
+	pbox->p.x = t;
+    if ((t = I_CEIL(x)) > pbox->q.x)
+	pbox->q.x = t;
+    if ((t = I_FLOOR(y)) < pbox->p.y)
+	pbox->p.y = t;
+    if ((t = I_CEIL(y)) > pbox->q.y)
+	pbox->q.y = t;
+}
+private bool
+image_band_box(gx_device * dev, const clist_image_enum * pie, int y, int h,
+	       gs_int_rect * pbox)
+{
+    fixed by0 = int2fixed(y);
+    fixed by1 = int2fixed(y + h);
+    int
+        px = pie->rect.p.x, py = pie->rect.p.y, qx = pie->rect.q.x, qy = pie->rect.q.y;
+    gs_fixed_rect cbox;		/* device clipping box */
+    gs_rect bbox;		/* cbox intersected with band */
+
+    /* Intersect the device clipping box and the band. */
+    (*dev_proc(dev, get_clipping_box)) (dev, &cbox);
+    /* The fixed_half here is to allow for adjustment. */
+    bbox.p.x = fixed2float(cbox.p.x - fixed_half);
+    bbox.q.x = fixed2float(cbox.q.x + fixed_half);
+    bbox.p.y = fixed2float(max(cbox.p.y, by0) - fixed_half);
+    bbox.q.y = fixed2float(min(cbox.q.y, by1) + fixed_half);
+#ifdef DEBUG
+    if (gs_debug_c('b')) {
+	dlprintf6("[b]band box for (%d,%d),(%d,%d), band (%d,%d) =>\n",
+		  px, py, qx, qy, y, y + h);
+	dlprintf10("      (%g,%g),(%g,%g), matrix=[%g %g %g %g %g %g]\n",
+		   bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y,
+		   pie->matrix.xx, pie->matrix.xy, pie->matrix.yx,
+		   pie->matrix.yy, pie->matrix.tx, pie->matrix.ty);
+    }
+#endif
+    if (is_xxyy(&pie->matrix) || is_xyyx(&pie->matrix)) {
+	/*
+	 * The inverse transform of the band is a rectangle aligned with
+	 * the coordinate axes, so we can just intersect it with the
+	 * image subrectangle.
+	 */
+	gs_rect ibox;		/* bbox transformed back to image space */
+
+	if (gs_bbox_transform_inverse(&bbox, &pie->matrix, &ibox) < 0)
+	    return false;
+	pbox->p.x = max(px, I_FLOOR(ibox.p.x));
+	pbox->q.x = min(qx, I_CEIL(ibox.q.x));
+	pbox->p.y = max(py, I_FLOOR(ibox.p.y));
+	pbox->q.y = min(qy, I_CEIL(ibox.q.y));
+    } else {
+	/*
+	 * The inverse transform of the band is not aligned with the
+	 * axes, i.e., is a general parallelogram.  To compute an exact
+	 * bounding box, we need to find the intersections of this
+	 * parallelogram with the image subrectangle.
+	 *
+	 * There is probably a much more efficient way to do this
+	 * computation, but we don't know what it is.
+	 */
+	gs_point rect[4];
+	gs_point corners[5];
+	int i;
+
+	/* Store the corners of the image rectangle. */
+	rect[0].x = rect[3].x = px;
+	rect[1].x = rect[2].x = qx;
+	rect[0].y = rect[1].y = py;
+	rect[2].y = rect[3].y = qy;
+	/*
+	 * Compute the corners of the clipped band in image space.  If
+	 * the matrix is singular or an overflow occurs, the result will
+	 * be nonsense: in this case, there isn't anything useful we
+	 * can do, so return an empty intersection.
+	 */
+	if (gs_point_transform_inverse(bbox.p.x, bbox.p.y, &pie->matrix,
+				       &corners[0]) < 0 ||
+	    gs_point_transform_inverse(bbox.q.x, bbox.p.y, &pie->matrix,
+				       &corners[1]) < 0 ||
+	    gs_point_transform_inverse(bbox.q.x, bbox.q.y, &pie->matrix,
+				       &corners[2]) < 0 ||
+	    gs_point_transform_inverse(bbox.p.x, bbox.q.y, &pie->matrix,
+				       &corners[3]) < 0
+	    ) {
+	    if_debug0('b', "[b]can't inverse-transform a band corner!\n");
+	    return false;
+	}
+	corners[4] = corners[0];
+	pbox->p.x = qx, pbox->p.y = qy;
+	pbox->q.x = px, pbox->q.y = py;
+	/*
+	 * We iterate over both the image rectangle and the band
+	 * parallelogram in a single loop for convenience, even though
+	 * there is no coupling between the two.
+	 */
+	for (i = 0; i < 4; ++i) {
+	    gs_point pa, pt;
+	    double dx, dy;
+
+	    /* Check the image corner for being inside the band. */
+	    pa = rect[i];
+	    gs_point_transform(pa.x, pa.y, &pie->matrix, &pt);
+	    if (pt.x >= bbox.p.x && pt.x <= bbox.q.x &&
+		pt.y >= bbox.p.y && pt.y <= bbox.q.y
+		)
+		box_merge_point(pbox, pa.x, pa.y);
+	    /* Check the band corner for being inside the image. */
+	    pa = corners[i];
+	    if (pa.x >= px && pa.x <= qx && pa.y >= py && pa.y <= qy)
+		box_merge_point(pbox, pa.x, pa.y);
+	    /* Check for intersections of band edges with image edges. */
+	    dx = corners[i + 1].x - pa.x;
+	    dy = corners[i + 1].y - pa.y;
+#define in_range(t, tc, p, q)\
+  (0 <= t && t <= 1 && (t = tc) >= p && t <= q)
+	    if (dx != 0) {
+		double t = (px - pa.x) / dx;
+
+		if_debug3('b', "   (px) t=%g => (%d,%g)\n",
+			  t, px, pa.y + t * dy);
+		if (in_range(t, pa.y + t * dy, py, qy))
+		    box_merge_point(pbox, (floatp) px, t);
+		t = (qx - pa.x) / dx;
+		if_debug3('b', "   (qx) t=%g => (%d,%g)\n",
+			  t, qx, pa.y + t * dy);
+		if (in_range(t, pa.y + t * dy, py, qy))
+		    box_merge_point(pbox, (floatp) qx, t);
+	    }
+	    if (dy != 0) {
+		double t = (py - pa.y) / dy;
+
+		if_debug3('b', "   (py) t=%g => (%g,%d)\n",
+			  t, pa.x + t * dx, py);
+		if (in_range(t, pa.x + t * dx, px, qx))
+		    box_merge_point(pbox, t, (floatp) py);
+		t = (qy - pa.y) / dy;
+		if_debug3('b', "   (qy) t=%g => (%g,%d)\n",
+			  t, pa.x + t * dx, qy);
+		if (in_range(t, pa.x + t * dx, px, qx))
+		    box_merge_point(pbox, t, (floatp) qy);
+	    }
+#undef in_range
+	}
+    }
+    if_debug4('b', "    => (%d,%d),(%d,%d)\n", pbox->p.x, pbox->p.y,
+	      pbox->q.x, pbox->q.y);
+    /*
+     * If necessary, add pixels around the edges so we will have
+     * enough information to do interpolation.
+     */
+    if ((pbox->p.x -= pie->support.x) < pie->rect.p.x)
+	pbox->p.x = pie->rect.p.x;
+    if ((pbox->p.y -= pie->support.y) < pie->rect.p.y)
+	pbox->p.y = pie->rect.p.y;
+    if ((pbox->q.x += pie->support.x) > pie->rect.q.x)
+	pbox->q.x = pie->rect.q.x;
+    if ((pbox->q.y += pie->support.y) > pie->rect.q.y)
+	pbox->q.y = pie->rect.q.y;
+    return (pbox->p.x < pbox->q.x && pbox->p.y < pbox->q.y);
+}
+
+/* Determine which image-related properties are unknown */
+private uint	/* mask of unknown properties(see pcls->known) */
+clist_image_unknowns(gx_device *dev, const clist_image_enum *pie)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    const gs_imager_state *const pis = pie->pis;
+    uint unknown = 0;
+
+    /*
+     * Determine if the CTM, color space, and clipping region (and, for
+     * masked images or images with CombineWithColor, the current color)
+     * are unknown. Set the device state in anticipation of the values
+     * becoming known.
+     */
+    if (cdev->imager_state.ctm.xx != pis->ctm.xx ||
+	cdev->imager_state.ctm.xy != pis->ctm.xy ||
+	cdev->imager_state.ctm.yx != pis->ctm.yx ||
+	cdev->imager_state.ctm.yy != pis->ctm.yy ||
+	cdev->imager_state.ctm.tx != pis->ctm.tx ||
+	cdev->imager_state.ctm.ty != pis->ctm.ty
+	) {
+	unknown |= ctm_known;
+	cdev->imager_state.ctm = pis->ctm;
+    }
+    /****** hival CHECK IS NOT SUFFICIENT ******/
+    if (cdev->color_space != pie->color_space ||
+	((cdev->color_space & 8) != 0 &&
+	 cdev->indexed_params.hival !=
+	 pie->image.ColorSpace->params.indexed.hival)
+	) {
+	unknown |= color_space_known;
+	cdev->color_space = pie->color_space;
+	if (cdev->color_space & 8)
+	    cdev->indexed_params = pie->image.ColorSpace->params.indexed;
+    }
+    if (cmd_check_clip_path(cdev, pie->pcpath))
+	unknown |= clip_path_known;
+
+    return unknown;
+}
+
+/* Construct the begin_image command. */
+private int
+begin_image_command(byte *cbuf, const gs_image_t *pim,
+		    gs_image_format_t format, int num_components,
+		    bool indexed)
+{
+    byte *cp;
+    byte b;
+
+    if (pim->ImageMask)
+	b = 0;
+    else
+	switch (pim->BitsPerComponent) {
+	case 1:
+	    b = 1 << 5;
+	    break;
+	case 2:
+	    b = 2 << 5;
+	    break;
+	case 4:
+	    b = 3 << 5;
+	    break;
+	case 8:
+	    b = 4 << 5;
+	    break;
+	case 12:
+	    b = 5 << 5;
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+	}
+    {
+	byte b2 = 0;
+
+	if (format != gs_image_format_chunky) {
+	    b |= 1 << 4;
+	    b2 |= format << 6;
+	}
+	if (pim->Interpolate) {
+	    b |= 1 << 4;
+	    b2 |= 1 << 5;
+	}
+	if (pim->Alpha) {
+	    b |= 1 << 4;
+	    b2 |= pim->Alpha << 3;
+	}
+	if (b & (1 << 4)) {
+	    cbuf[1] = b2;
+	    cp = cbuf + 2;
+	} else
+	    cp = cbuf + 1;
+    }
+    cmd_put2w(pim->Width, pim->Height, cp);
+    if (!(pim->ImageMatrix.xx == pim->Width &&
+	  pim->ImageMatrix.xy == 0 &&
+	  pim->ImageMatrix.yx == 0 &&
+	  pim->ImageMatrix.yy == -pim->Height &&
+	  pim->ImageMatrix.tx == 0 &&
+	  pim->ImageMatrix.ty == pim->Height
+	  )
+	) {
+	b |= 1 << 3;
+	cp = cmd_for_matrix(cp, &pim->ImageMatrix);
+    }
+    {
+	static const float base_decode[8] = {
+	    0, 1, 0, 1, 0, 1, 0, 1
+	};
+	float indexed_decode[2];
+	const float *default_decode = base_decode;
+	int num_decode = num_components * 2;
+	int i;
+
+	if (indexed) {
+	    indexed_decode[0] = 0;
+	    indexed_decode[1] = (1 << pim->BitsPerComponent) - 1;
+	    default_decode = indexed_decode;
+	}
+	for (i = 0; i < num_decode; ++i)
+	    if (pim->Decode[i] != default_decode[i])
+		break;
+	if (i != num_decode) {
+	    byte *pdb = cp++;
+	    byte dflags = 0;
+
+	    b |= 1 << 2;
+	    for (i = 0; i < num_decode; i += 2) {
+		float u = pim->Decode[i], v = pim->Decode[i + 1];
+
+		dflags <<= 2;
+		if (u == 0 && v == default_decode[i + 1]);
+		else if (u == default_decode[i + 1] && v == 0)
+		    dflags += 1;
+		else {
+		    if (u != 0) {
+			dflags++;
+			memcpy(cp, &u, sizeof(float));
+			cp += sizeof(float);
+		    }
+		    dflags += 2;
+		    memcpy(cp, &v, sizeof(float));
+		    cp += sizeof(float);
+		}
+	    }
+	    *pdb = dflags << (8 - num_decode);
+	}
+    }
+    if ((pim->ImageMask ? pim->adjust : pim->CombineWithColor))
+	b |= 1 << 1;
+    cbuf[0] = b;
+    return cp - cbuf;
+}
+
+/* Write data for a partial image. */
+private int
+cmd_image_plane_data(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+	const gx_image_plane_t * planes, const gx_image_enum_common_t * pie,
+		     uint bytes_per_plane, const uint * offsets, int h)
+{
+    int data_x = planes[0].data_x;
+    uint nbytes = bytes_per_plane * pie->num_planes * h;
+    uint len = 1 + cmd_size2w(h, bytes_per_plane) + nbytes;
+    byte *dp;
+    uint offset = 0;
+    int plane, i;
+    int code;
+
+    if (data_x) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_misc, 2);
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc_data_x + (data_x & 7);
+	offset = ((data_x & ~7) * cldev->color_info.depth) >> 3;
+    }
+    code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_image_data, len);
+    if (code < 0)
+	return code;
+    dp++;
+    cmd_put2w(h, bytes_per_plane, dp);
+    for (plane = 0; plane < pie->num_planes; ++plane)
+	for (i = 0; i < h; ++i) {
+	    memcpy(dp,
+		   planes[plane].data + i * planes[plane].raster +
+		   offsets[plane] + offset,
+		   bytes_per_plane);
+	    dp += bytes_per_plane;
+	}
+    return 0;
+}
+
+/* Write image_end commands into all bands */
+private int	/* ret 0 ok, else -ve error status */
+write_image_end_all(gx_device *dev, const clist_image_enum *pie)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code;
+    int y = pie->ymin;
+    int height = pie->ymax - y;
+
+    FOR_RECTS {
+	byte *dp;
+
+	if (!(pcls->known & begin_image_known))
+	    continue;
+	TRY_RECT {
+	    if_debug1('L', "[L]image_end for band %d\n", band);
+	    code = set_cmd_put_op(dp, cdev, pcls, cmd_opv_image_data, 2);
+	} HANDLE_RECT(code);
+	dp[1] = 0;	    /* EOD */
+	pcls->known ^= begin_image_known;
+    } END_RECTS;
+    return 0;
+}
+
+/*
+ * Compare a rectangle vs. clip path.  Return true if there is no clipping
+ * path, if the rectangle is unclipped, or if the clipping path is a
+ * rectangle and intersects the given rectangle.
+ */
+private bool
+check_rect_for_trivial_clip(
+    const gx_clip_path *pcpath,	/* May be NULL, clip to evaluate */
+    int px, int py, int qx, int qy	/* corners of box to test */
+)
+{
+    gs_fixed_rect obox;
+    gs_fixed_rect imgbox;
+
+    if (!pcpath)
+	return true;
+
+    imgbox.p.x = int2fixed(px);
+    imgbox.p.y = int2fixed(py);
+    imgbox.q.x = int2fixed(qx);
+    imgbox.q.y = int2fixed(qy);
+    if (gx_cpath_includes_rectangle(pcpath,
+				    imgbox.p.x, imgbox.p.y,
+				    imgbox.q.x, imgbox.q.y))
+	return true;
+
+    return (gx_cpath_outer_box(pcpath, &obox) /* cpath is rectangle */ &&
+	    obox.p.x <= imgbox.q.x && obox.q.x >= imgbox.p.x &&
+	    obox.p.y <= imgbox.q.y && obox.q.y >= imgbox.p.y );
+}
diff --git a/pstoraster/gxclio.h b/pstoraster/gxclio.h
new file mode 100644
index 000000000..c695c5d95
--- /dev/null
+++ b/pstoraster/gxclio.h
@@ -0,0 +1,104 @@
+/* Copyright (C) 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* I/O interface for command lists */
+
+#ifndef gxclio_INCLUDED
+#  define gxclio_INCLUDED
+
+#include "gp.h"			/* for gp_file_name_sizeof */
+
+/*
+ * There are two implementations of the I/O interface for command lists --
+ * one suitable for embedded systems, which stores the "files" in RAM, and
+ * one suitable for other systems, which uses an external file system --
+ * with the choice made at compile/link time.  This header file defines the
+ * API between the command list code proper and its I/O interface.
+ */
+
+typedef void *clist_file_ptr;	/* We can't do any better than this. */
+
+/* ---------------- Open/close/unlink ---------------- */
+
+/*
+ * If *fname = 0, generate and store a new scratch file name; otherwise,
+ * open an existing file.  Only modes "r" and "w+" are supported,
+ * and only binary data (but the caller must append the "b" if needed).
+ * Mode "r" with *fname = 0 is an error.
+ */
+int clist_fopen(P6(char fname[gp_file_name_sizeof], const char *fmode,
+		   clist_file_ptr * pcf,
+		   gs_memory_t * mem, gs_memory_t *data_mem,
+		   bool ok_to_compress));
+
+/*
+ * Close a file, optionally deleting it.
+ */
+int clist_fclose(P3(clist_file_ptr cf, const char *fname, bool delete));
+
+/*
+ * Delete a file.
+ */
+int clist_unlink(P1(const char *fname));
+
+/* ---------------- Writing ---------------- */
+
+/* clist_space_available returns min(requested, available). */
+long clist_space_available(P1(long requested));
+
+int clist_fwrite_chars(P3(const void *data, uint len, clist_file_ptr cf));
+
+/* ---------------- Reading ---------------- */
+
+int clist_fread_chars(P3(void *data, uint len, clist_file_ptr cf));
+
+/* ---------------- Position/status ---------------- */
+
+/*
+ * Set the low-memory warning threshold.  clist_ferror_code will return 1
+ * if fewer than this many bytes of memory are left for storing band data.
+ */
+int clist_set_memory_warning(P2(clist_file_ptr cf, int bytes_left));
+
+/*
+ * clist_ferror_code returns a negative error code per gserrors.h, not a
+ * Boolean; 0 means no error, 1 means low-memory warning.
+ */
+int clist_ferror_code(P1(clist_file_ptr cf));
+
+long clist_ftell(P1(clist_file_ptr cf));
+
+/*
+ * We pass the file name to clist_rewind and clist_fseek in case the
+ * implementation has to close and reopen the file.  (clist_fseek with
+ * offset = 0 and mode = SEEK_END indicates we are about to append.)
+ */
+void clist_rewind(P3(clist_file_ptr cf, bool discard_data,
+		     const char *fname));
+
+int clist_fseek(P4(clist_file_ptr cf, long offset, int mode,
+		   const char *fname));
+
+#endif /* gxclio_INCLUDED */
diff --git a/pstoraster/gxclip.c b/pstoraster/gxclip.c
new file mode 100644
index 000000000..d4139961c
--- /dev/null
+++ b/pstoraster/gxclip.c
@@ -0,0 +1,582 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation of (path-based) clipping */
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxclip.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+
+/* Define whether to look for vertical clipping regions. */
+#define CHECK_VERTICAL_CLIPPING
+
+/* ------ Rectangle list clipper ------ */
+
+/* Device for clipping with a region. */
+/* We forward non-drawing operations, but we must be sure to intercept */
+/* all drawing operations. */
+private dev_proc_open_device(clip_open);
+private dev_proc_fill_rectangle(clip_fill_rectangle);
+private dev_proc_copy_mono(clip_copy_mono);
+private dev_proc_copy_color(clip_copy_color);
+private dev_proc_copy_alpha(clip_copy_alpha);
+private dev_proc_fill_mask(clip_fill_mask);
+private dev_proc_strip_tile_rectangle(clip_strip_tile_rectangle);
+private dev_proc_strip_copy_rop(clip_strip_copy_rop);
+private dev_proc_get_clipping_box(clip_get_clipping_box);
+private dev_proc_get_bits_rectangle(clip_get_bits_rectangle);
+
+/* The device descriptor. */
+private const gx_device_clip gs_clip_device =
+{std_device_std_body(gx_device_clip, 0, "clipper",
+		     0, 0, 1, 1),
+ {clip_open,
+  gx_forward_get_initial_matrix,
+  gx_default_sync_output,
+  gx_default_output_page,
+  gx_default_close_device,
+  gx_forward_map_rgb_color,
+  gx_forward_map_color_rgb,
+  clip_fill_rectangle,
+  gx_default_tile_rectangle,
+  clip_copy_mono,
+  clip_copy_color,
+  gx_default_draw_line,
+  gx_default_get_bits,
+  gx_forward_get_params,
+  gx_forward_put_params,
+  gx_forward_map_cmyk_color,
+  gx_forward_get_xfont_procs,
+  gx_forward_get_xfont_device,
+  gx_forward_map_rgb_alpha_color,
+  gx_forward_get_page_device,
+  gx_forward_get_alpha_bits,
+  clip_copy_alpha,
+  gx_forward_get_band,
+  gx_default_copy_rop,
+  gx_default_fill_path,
+  gx_default_stroke_path,
+  clip_fill_mask,
+  gx_default_fill_trapezoid,
+  gx_default_fill_parallelogram,
+  gx_default_fill_triangle,
+  gx_default_draw_thin_line,
+  gx_default_begin_image,
+  gx_default_image_data,
+  gx_default_end_image,
+  clip_strip_tile_rectangle,
+  clip_strip_copy_rop,
+  clip_get_clipping_box,
+  gx_default_begin_typed_image,
+  clip_get_bits_rectangle,
+  gx_forward_map_color_rgb_alpha,
+  gx_no_create_compositor,
+  gx_forward_get_hardware_params,
+  gx_default_text_begin
+ }
+};
+
+/* Make a clipping device. */
+void
+gx_make_clip_translate_device(gx_device_clip * dev, void *container,
+			      const gx_clip_list * list, int tx, int ty)
+{
+    gx_device_init((gx_device *) dev, (gx_device *) & gs_clip_device,
+		   NULL, true);
+    dev->list = *list;
+    dev->translation.x = tx;
+    dev->translation.y = ty;
+}
+void
+gx_make_clip_path_device(gx_device_clip * dev, const gx_clip_path * pcpath)
+{
+    gx_make_clip_device(dev, NULL, gx_cpath_list(pcpath));
+}
+
+/* Define debugging statistics for the clipping loops. */
+#ifdef DEBUG
+struct stats_clip_s {
+    long
+         loops, in, down, up, x, no_x;
+} stats_clip;
+private uint clip_interval = 10000;
+
+# define INCR(v) (++(stats_clip.v))
+# define INCR_THEN(v, e) (INCR(v), (e))
+#else
+# define INCR(v) DO_NOTHING
+# define INCR_THEN(v, e) (e)
+#endif
+
+/*
+ * Enumerate the rectangles of the x,w,y,h argument that fall within
+ * the clipping region.
+ */
+private int
+clip_enumerate(gx_device_clip * rdev,
+	       int (*process) (P5(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)),
+	       clip_callback_data_t * pccd)
+{
+    gx_clip_rect *rptr = rdev->current;		/* const within algorithm */
+    const int x = pccd->x, y = pccd->y;
+    const int xe = x + pccd->w, ye = y + pccd->h;
+    int xc, xec, yc, yec, yep;
+    int code;
+
+#ifdef DEBUG
+    if (INCR(loops) % clip_interval == 0)
+	if_debug6('q',
+		  "[q]loops=%ld in=%ld down=%ld up=%ld x=%ld no_x=%ld\n", \
+		  stats_clip.loops, stats_clip.in,
+		  stats_clip.down, stats_clip.up,
+		  stats_clip.x, stats_clip.no_x);
+#endif
+    if (pccd->w <= 0 || pccd->h <= 0)
+	return 0;
+    /* Check for the region being entirely within the current rectangle. */
+    if (!rdev->list.outside) {
+	if (y >= rptr->ymin && ye <= rptr->ymax &&
+	    x >= rptr->xmin && xe <= rptr->xmax
+	    ) {
+	    return INCR_THEN(in, (*process) (pccd, x, y, xe, ye));
+	}
+    }
+    /*
+     * Warp the cursor forward or backward to the first rectangle row
+     * that could include a given y value.  Assumes rptr is set, and
+     * updates it.  Specifically, after this loop, either rptr == 0 (if
+     * the y value is greater than all y values in the list), or y <
+     * rptr->ymax and either rptr->prev == 0 or y >= rptr->prev->ymax.
+     * Note that y <= rptr->ymin is possible.
+     *
+     * In the first case below, the while loop is safe because if there
+     * is more than one rectangle, there is a 'stopper' at the end of
+     * the list.
+     */
+    if (y >= rptr->ymax) {
+	if ((rptr = rptr->next) != 0)
+	    while (INCR_THEN(up, y >= rptr->ymax))
+		rptr = rptr->next;
+    } else
+	while (rptr->prev != 0 && y < rptr->prev->ymax)
+	    INCR_THEN(down, rptr = rptr->prev);
+    if (rptr == 0 || (yc = rptr->ymin) >= ye) {
+	if (rdev->list.count > 1)
+	    rdev->current =
+		(rptr != 0 ? rptr :
+		 y >= rdev->current->ymax ? rdev->list.tail :
+		 rdev->list.head);
+	if (rdev->list.outside) {
+	    return (*process) (pccd, x, y, xe, ye);
+	} else
+	    return 0;
+    }
+    rdev->current = rptr;
+    if (yc < y)
+	yc = y;
+    if (rdev->list.outside) {
+	for (yep = y;;) {
+	    const int ymax = rptr->ymax;
+
+	    xc = x;
+	    if (yc > yep) {
+		yec = yc, yc = yep;
+		xec = xe;
+		code = (*process) (pccd, xc, yc, xec, yec);
+		if (code < 0)
+		    return code;
+		yc = yec;
+	    }
+	    yec = min(ymax, ye);
+	    do {
+		xec = rptr->xmin;
+		if (xec > xc) {
+		    if (xec > xe)
+			xec = xe;
+		    code = (*process) (pccd, xc, yc, xec, yec);
+		    if (code < 0)
+			return code;
+		    xc = rptr->xmax;
+		    if (xc >= xe)
+			xc = max_int;
+		} else {
+		    xec = rptr->xmax;
+		    if (xec > xc)
+			xc = xec;
+		}
+	    }
+	    while ((rptr = rptr->next) != 0 && rptr->ymax == ymax);
+	    if (xc < xe) {
+		xec = xe;
+		code = (*process) (pccd, xc, yc, xec, yec);
+		if (code < 0)
+		    return code;
+	    }
+	    yep = yec;
+	    if (rptr == 0 || (yc = rptr->ymin) >= ye)
+		break;
+	}
+	if (yep < ye) {
+	    xc = x, xec = xe, yc = yep, yec = ye;
+	    code = (*process) (pccd, xc, yc, xec, yec);
+	    if (code < 0)
+		return code;
+	}
+    } else			/* !outside */
+	for (;;) {
+	    const int ymax = rptr->ymax;
+	    gx_clip_rect *nptr;
+
+	    yec = min(ymax, ye);
+	    if_debug2('Q', "[Q]yc=%d yec=%d\n", yc, yec);
+	    do {
+		xc = rptr->xmin;
+		xec = rptr->xmax;
+		if (xc < x)
+		    xc = x;
+		if (xec > xe)
+		    xec = xe;
+		if (xec > xc) {
+		    clip_rect_print('Q', "match", rptr);
+		    if_debug2('Q', "[Q]xc=%d xec=%d\n", xc, xec);
+		    INCR(x);
+/*
+ * Conditionally look ahead to detect unclipped vertical strips.  This is
+ * really only valuable for 90 degree rotated images or (nearly-)vertical
+ * lines with convex clipping regions; if we ever change images to use
+ * source buffering and destination-oriented enumeration, we could probably
+ * take out the code here with no adverse effects.
+ */
+#ifdef CHECK_VERTICAL_CLIPPING
+		    if (xec - xc == pccd->w) {	/* full width */
+			/* Look ahead for a vertical swath. */
+			while ((nptr = rptr->next) != 0 &&
+			       nptr->ymin == yec &&
+			       nptr->ymax <= ye &&
+			       nptr->xmin <= x &&
+			       nptr->xmax >= xe
+			    )
+			    yec = nptr->ymax, rptr = nptr;
+		    } else
+			nptr = rptr->next;
+#else
+		    nptr = rptr->next;
+#endif
+		    code = (*process) (pccd, xc, yc, xec, yec);
+		    if (code < 0)
+			return code;
+		} else {
+		    INCR_THEN(no_x, nptr = rptr->next);
+		}
+	    }
+	    while ((rptr = nptr) != 0 && rptr->ymax == ymax);
+	    if (rptr == 0 || (yec = rptr->ymin) >= ye)
+		break;
+	    yc = yec;
+	}
+    return 0;
+}
+
+/* Open a clipping device */
+private int
+clip_open(register gx_device * dev)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    gx_device *tdev = rdev->target;
+
+    /* Initialize the cursor. */
+    rdev->current =
+	(rdev->list.head == 0 ? &rdev->list.single : rdev->list.head);
+    rdev->color_info = tdev->color_info;
+    rdev->width = tdev->width;
+    rdev->height = tdev->height;
+    return 0;
+}
+
+/* Fill a rectangle */
+int
+clip_call_fill_rectangle(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, fill_rectangle))
+	(pccd->tdev, xc, yc, xec - xc, yec - yc, pccd->color[0]);
+}
+private int
+clip_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+		    gx_color_index color)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.color[0] = color;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    return clip_enumerate(rdev, clip_call_fill_rectangle, &ccdata);
+}
+
+/* Copy a monochrome rectangle */
+int
+clip_call_copy_mono(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, copy_mono))
+	(pccd->tdev, pccd->data + (yc - pccd->y) * pccd->raster,
+	 pccd->sourcex + xc - pccd->x, pccd->raster, gx_no_bitmap_id,
+	 xc, yc, xec - xc, yec - yc, pccd->color[0], pccd->color[1]);
+}
+private int
+clip_copy_mono(gx_device * dev,
+	       const byte * data, int sourcex, int raster, gx_bitmap_id id,
+	       int x, int y, int w, int h,
+	       gx_color_index color0, gx_color_index color1)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.color[0] = color0, ccdata.color[1] = color1;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    return clip_enumerate(rdev, clip_call_copy_mono, &ccdata);
+}
+
+/* Copy a color rectangle */
+int
+clip_call_copy_color(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, copy_color))
+	(pccd->tdev, pccd->data + (yc - pccd->y) * pccd->raster,
+	 pccd->sourcex + xc - pccd->x, pccd->raster, gx_no_bitmap_id,
+	 xc, yc, xec - xc, yec - yc);
+}
+private int
+clip_copy_color(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		int x, int y, int w, int h)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    return clip_enumerate(rdev, clip_call_copy_color, &ccdata);
+}
+
+/* Copy a rectangle with alpha */
+int
+clip_call_copy_alpha(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, copy_alpha))
+	(pccd->tdev, pccd->data + (yc - pccd->y) * pccd->raster,
+	 pccd->sourcex + xc - pccd->x, pccd->raster, gx_no_bitmap_id,
+	 xc, yc, xec - xc, yec - yc, pccd->color[0], pccd->depth);
+}
+private int
+clip_copy_alpha(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		int x, int y, int w, int h,
+		gx_color_index color, int depth)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    ccdata.color[0] = color, ccdata.depth = depth;
+    return clip_enumerate(rdev, clip_call_copy_alpha, &ccdata);
+}
+
+/* Fill a region defined by a mask. */
+int
+clip_call_fill_mask(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, fill_mask))
+	(pccd->tdev, pccd->data + (yc - pccd->y) * pccd->raster,
+	 pccd->sourcex + xc - pccd->x, pccd->raster, gx_no_bitmap_id,
+	 xc, yc, xec - xc, yec - yc, pccd->pdcolor, pccd->depth,
+	 pccd->lop, NULL);
+}
+private int
+clip_fill_mask(gx_device * dev,
+	       const byte * data, int sourcex, int raster, gx_bitmap_id id,
+	       int x, int y, int w, int h,
+	       const gx_drawing_color * pdcolor, int depth,
+	       gs_logical_operation_t lop, const gx_clip_path * pcpath)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    if (pcpath != 0)
+	return gx_default_fill_mask(dev, data, sourcex, raster, id,
+				    x, y, w, h, pdcolor, depth, lop,
+				    pcpath);
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.pdcolor = pdcolor, ccdata.depth = depth, ccdata.lop = lop;
+    return clip_enumerate(rdev, clip_call_fill_mask, &ccdata);
+}
+
+/* Strip-tile a rectangle. */
+int
+clip_call_strip_tile_rectangle(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, strip_tile_rectangle))
+	(pccd->tdev, pccd->tiles, xc, yc, xec - xc, yec - yc,
+	 pccd->color[0], pccd->color[1], pccd->phase.x, pccd->phase.y);
+}
+private int
+clip_strip_tile_rectangle(gx_device * dev, const gx_strip_bitmap * tiles,
+			  int x, int y, int w, int h,
+     gx_color_index color0, gx_color_index color1, int phase_x, int phase_y)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    ccdata.tiles = tiles;
+    ccdata.color[0] = color0, ccdata.color[1] = color1;
+    ccdata.phase.x = phase_x, ccdata.phase.y = phase_y;
+    return clip_enumerate(rdev, clip_call_strip_tile_rectangle, &ccdata);
+}
+
+/* Copy a rectangle with RasterOp and strip texture. */
+int
+clip_call_strip_copy_rop(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)
+{
+    return (*dev_proc(pccd->tdev, strip_copy_rop))
+	(pccd->tdev, pccd->data + (yc - pccd->y) * pccd->raster,
+	 pccd->sourcex + xc - pccd->x, pccd->raster, gx_no_bitmap_id,
+	 pccd->scolors, pccd->textures, pccd->tcolors,
+	 xc, yc, xec - xc, yec - yc, pccd->phase.x, pccd->phase.y,
+	 pccd->lop);
+}
+private int
+clip_strip_copy_rop(gx_device * dev,
+	      const byte * sdata, int sourcex, uint raster, gx_bitmap_id id,
+		    const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+		    int x, int y, int w, int h,
+		    int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    x += rdev->translation.x;
+    y += rdev->translation.y;
+    ccdata.tdev = rdev->target;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    ccdata.data = sdata, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.scolors = scolors, ccdata.textures = textures,
+	ccdata.tcolors = tcolors;
+    ccdata.phase.x = phase_x, ccdata.phase.y = phase_y, ccdata.lop = lop;
+    return clip_enumerate(rdev, clip_call_strip_copy_rop, &ccdata);
+}
+
+/* Get the (outer) clipping box, in client coordinates. */
+private void
+clip_get_clipping_box(gx_device * dev, gs_fixed_rect * pbox)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    gx_device *tdev = rdev->target;
+    gs_fixed_rect tbox, cbox;
+    fixed tx = int2fixed(rdev->translation.x), ty = int2fixed(rdev->translation.y);
+
+    (*dev_proc(tdev, get_clipping_box)) (tdev, &tbox);
+    /*
+     * To get an accurate clipping box quickly in all cases, we should
+     * save the outer box from the clipping path.  However,
+     * this is not currently (or even always guaranteed to be)
+     * available.  Instead, we compromise: if there is more than one
+     * rectangle in the list, we return accurate Y values (which are
+     * easy to obtain, because the list is Y-sorted) but copy the
+     * X values from the target.
+     */
+    if (rdev->list.outside || rdev->list.count == 0) {
+	cbox = tbox;
+    } else if (rdev->list.count == 1) {
+	cbox.p.x = int2fixed(rdev->list.single.xmin);
+	cbox.p.y = int2fixed(rdev->list.single.ymin);
+	cbox.q.x = int2fixed(rdev->list.single.xmax);
+	cbox.q.y = int2fixed(rdev->list.single.ymax);
+    } else {			/* The head and tail elements are dummies.... */
+	cbox.p.x = tbox.p.x;
+	cbox.p.y = int2fixed(rdev->list.head->next->ymin);
+	cbox.q.x = tbox.q.x;
+	cbox.q.y = int2fixed(rdev->list.tail->prev->ymax);
+    }
+    rect_intersect(tbox, cbox);
+    if (tbox.p.x != min_fixed)
+	tbox.p.x -= tx;
+    if (tbox.p.y != min_fixed)
+	tbox.p.y -= ty;
+    if (tbox.q.x != max_fixed)
+	tbox.q.x -= tx;
+    if (tbox.q.y != max_fixed)
+	tbox.q.y -= ty;
+    *pbox = tbox;
+}
+
+/* Get bits back from the device. */
+private int
+clip_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+			gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    gx_device_clip *rdev = (gx_device_clip *) dev;
+    gx_device *tdev = rdev->target;
+    int tx = rdev->translation.x, ty = rdev->translation.y;
+    gs_int_rect rect;
+    int code;
+
+    rect.p.x = prect->p.x - tx, rect.p.y = prect->p.y - ty;
+    rect.q.x = prect->q.x - tx, rect.q.y = prect->q.y - ty;
+    code = (*dev_proc(tdev, get_bits_rectangle))
+	(tdev, &rect, params, unread);
+    if (code > 0) {
+	/* Adjust unread rectangle coordinates */
+	gs_int_rect *list = *unread;
+	int i;
+
+	for (i = 0; i < code; ++list, ++i) {
+	    list->p.x += tx, list->p.y += ty;
+	    list->q.x += tx, list->q.y += ty;
+	}
+    }
+    return code;
+}
diff --git a/pstoraster/gxclip.h b/pstoraster/gxclip.h
new file mode 100644
index 000000000..ef13576e1
--- /dev/null
+++ b/pstoraster/gxclip.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for clipping */
+
+#ifndef gxclip_INCLUDED
+#  define gxclip_INCLUDED
+
+/*
+ * Both rectangle list and mask clipping use callback procedures to process
+ * each rectangle selected by the clipping region.  They share both the
+ * callback procedures themselves and the structure that provides closure
+ * data for these procedures.  We define a single closure structure, rather
+ * than one per client/callback, just to reduce source code clutter.  The
+ * comments below show which clients use each member.
+ */
+typedef struct clip_callback_data_s {
+    /*
+     * The original driver procedure stores the following of its arguments
+     * that the callback procedure or the clipping algorithm needs.
+     */
+    gx_device *tdev;		/* target device (always set) */
+    int x, y, w, h;		/* (always set) */
+    gx_color_index color[2];	/* (all but copy_color) */
+    const byte *data;		/* copy_*, fill_mask */
+    int sourcex;		/* ibid. */
+    uint raster;		/* ibid. */
+    int depth;			/* copy_alpha, fill_mask */
+    const gx_drawing_color *pdcolor;	/* fill_mask */
+    gs_logical_operation_t lop;	/* fill_mask, strip_copy_rop */
+    const gx_clip_path *pcpath;	/* fill_mask */
+    const gx_strip_bitmap *tiles;	/* strip_tile_rectangle */
+    gs_int_point phase;		/* strip_* */
+    const gx_color_index *scolors;	/* strip_copy_rop */
+    const gx_strip_bitmap *textures;	/* ibid. */
+    const gx_color_index *tcolors;	/* ibid. */
+} clip_callback_data_t;
+
+/* Declare the callback procedures. */
+int
+    clip_call_fill_rectangle(P5(clip_callback_data_t * pccd,
+				int xc, int yc, int xec, int yec)), clip_call_copy_mono(P5(clip_callback_data_t * pccd,
+					 int xc, int yc, int xec, int yec)),
+    clip_call_copy_color(P5(clip_callback_data_t * pccd,
+			    int xc, int yc, int xec, int yec)), clip_call_copy_alpha(P5(clip_callback_data_t * pccd,
+					 int xc, int yc, int xec, int yec)),
+    clip_call_fill_mask(P5(clip_callback_data_t * pccd,
+			   int xc, int yc, int xec, int yec)), clip_call_strip_tile_rectangle(P5(clip_callback_data_t * pccd,
+					 int xc, int yc, int xec, int yec)),
+    clip_call_strip_copy_rop(P5(clip_callback_data_t * pccd,
+				int xc, int yc, int xec, int yec));
+
+#endif /* gxclip_INCLUDED */
diff --git a/pstoraster/gxclip2.c b/pstoraster/gxclip2.c
new file mode 100644
index 000000000..22ef30e06
--- /dev/null
+++ b/pstoraster/gxclip2.c
@@ -0,0 +1,306 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Mask clipping for patterns */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxclip2.h"
+
+private_st_device_tile_clip();
+
+/* Device procedures */
+private dev_proc_fill_rectangle(tile_clip_fill_rectangle);
+private dev_proc_copy_mono(tile_clip_copy_mono);
+private dev_proc_copy_color(tile_clip_copy_color);
+private dev_proc_copy_alpha(tile_clip_copy_alpha);
+private dev_proc_strip_copy_rop(tile_clip_strip_copy_rop);
+
+/* The device descriptor. */
+private const gx_device_tile_clip gs_tile_clip_device =
+{std_device_std_body_open(gx_device_tile_clip, 0, "tile clipper",
+			  0, 0, 1, 1),
+ {gx_default_open_device,
+  gx_forward_get_initial_matrix,
+  gx_default_sync_output,
+  gx_default_output_page,
+  gx_default_close_device,
+  gx_forward_map_rgb_color,
+  gx_forward_map_color_rgb,
+  tile_clip_fill_rectangle,
+  gx_default_tile_rectangle,
+  tile_clip_copy_mono,
+  tile_clip_copy_color,
+  gx_default_draw_line,
+  gx_forward_get_bits,
+  gx_forward_get_params,
+  gx_forward_put_params,
+  gx_forward_map_cmyk_color,
+  gx_forward_get_xfont_procs,
+  gx_forward_get_xfont_device,
+  gx_forward_map_rgb_alpha_color,
+  gx_forward_get_page_device,
+  gx_forward_get_alpha_bits,
+  tile_clip_copy_alpha,
+  gx_forward_get_band,
+  gx_default_copy_rop,
+  gx_default_fill_path,
+  gx_default_stroke_path,
+  gx_default_fill_mask,
+  gx_default_fill_trapezoid,
+  gx_default_fill_parallelogram,
+  gx_default_fill_triangle,
+  gx_default_draw_thin_line,
+  gx_default_begin_image,
+  gx_default_image_data,
+  gx_default_end_image,
+  gx_default_strip_tile_rectangle,
+  tile_clip_strip_copy_rop,
+  gx_forward_get_clipping_box,
+  gx_default_begin_typed_image,
+  gx_forward_get_bits_rectangle,
+  gx_forward_map_color_rgb_alpha,
+  gx_no_create_compositor,
+  gx_forward_get_hardware_params,
+  gx_default_text_begin
+ }
+};
+
+/* Initialize a tile clipping device from a mask. */
+int
+tile_clip_initialize(gx_device_tile_clip * cdev, const gx_strip_bitmap * tiles,
+		     gx_device * tdev, int px, int py)
+{
+    int code =
+    gx_mask_clip_initialize(cdev, &gs_tile_clip_device,
+			    (const gx_bitmap *)tiles,
+			    tdev, 0, 0);	/* phase will be reset */
+
+    if (code >= 0) {
+	cdev->tiles = *tiles;
+	tile_clip_set_phase(cdev, px, py);
+    }
+    return code;
+}
+
+/* Set the phase of the tile. */
+void
+tile_clip_set_phase(gx_device_tile_clip * cdev, int px, int py)
+{
+    cdev->phase.x = px;
+    cdev->phase.y = py;
+}
+
+/* Fill a rectangle by tiling with the mask. */
+private int
+tile_clip_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			 gx_color_index color)
+{
+    gx_device_tile_clip *cdev = (gx_device_tile_clip *) dev;
+    gx_device *tdev = cdev->target;
+
+    return (*dev_proc(tdev, strip_tile_rectangle)) (tdev, &cdev->tiles,
+						    x, y, w, h,
+		    gx_no_color_index, color, cdev->phase.x, cdev->phase.y);
+}
+
+/* Calculate the X offset corresponding to a given Y, taking the phase */
+/* and shift into account. */
+#define x_offset(ty, cdev)\
+  ((cdev)->phase.x + (((ty) + (cdev)->phase.y) / (cdev)->tiles.rep_height) *\
+   (cdev)->tiles.rep_shift)
+
+/* Copy a monochrome bitmap.  We divide it up into maximal chunks */
+/* that line up with a single tile, and then do the obvious Boolean */
+/* combination of the tile mask and the source. */
+private int
+tile_clip_copy_mono(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		    int x, int y, int w, int h,
+		    gx_color_index color0, gx_color_index color1)
+{
+    gx_device_tile_clip *cdev = (gx_device_tile_clip *) dev;
+    gx_color_index color, mcolor0, mcolor1;
+    int ty, ny;
+    int code;
+
+    setup_mask_copy_mono(cdev, color, mcolor0, mcolor1);
+    for (ty = y; ty < y + h; ty += ny) {
+	int tx, nx;
+	int cy = (ty + cdev->phase.y) % cdev->tiles.rep_height;
+	int xoff = x_offset(ty, cdev);
+
+	ny = min(y + h - ty, cdev->tiles.size.y - cy);
+	if (ny > cdev->mdev.height)
+	    ny = cdev->mdev.height;
+	for (tx = x; tx < x + w; tx += nx) {
+	    int cx = (tx + xoff) % cdev->tiles.rep_width;
+
+	    nx = min(x + w - tx, cdev->tiles.size.x - cx);
+	    /* Copy a tile slice to the memory device buffer. */
+	    memcpy(cdev->buffer.bytes,
+		   cdev->tiles.data + cy * cdev->tiles.raster,
+		   cdev->tiles.raster * ny);
+	    /* Intersect the tile with the source data. */
+	    /* mcolor0 and mcolor1 invert the data if needed. */
+	    /* This call can't fail. */
+	    (*dev_proc(&cdev->mdev, copy_mono)) ((gx_device *) & cdev->mdev,
+				 data + (ty - y) * raster, sourcex + tx - x,
+						 raster, gx_no_bitmap_id,
+					   cx, 0, nx, ny, mcolor0, mcolor1);
+	    /* Now copy the color through the double mask. */
+	    code = (*dev_proc(cdev->target, copy_mono)) (cdev->target,
+				 cdev->buffer.bytes, cx, cdev->tiles.raster,
+							 gx_no_bitmap_id,
+				  tx, ty, nx, ny, gx_no_color_index, color);
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
+
+/*
+ * Define the skeleton for the other copying operations.  We can't use the
+ * BitBlt tricks: we have to scan for runs of 1s.  There are many obvious
+ * ways to speed this up; we'll implement some if we need to.  The schema
+ * is:
+ *      FOR_RUNS(data_row, tx1, tx, ty) {
+ *        ... process the run ([tx1,tx),ty) ...
+ *      } END_FOR_RUNS();
+ * Free variables: cdev, data, sourcex, raster, x, y, w, h.
+ */
+#define t_next(tx)\
+  BEGIN {\
+    if ( ++cx == cdev->tiles.size.x )\
+      cx = 0, tp = tile_row, tbit = 0x80;\
+    else if ( (tbit >>= 1) == 0 )\
+      tp++, tbit = 0x80;\
+    tx++;\
+  } END
+#define FOR_RUNS(data_row, tx1, tx, ty)\
+	const byte *data_row = data;\
+	int cy = (y + cdev->phase.y) % cdev->tiles.rep_height;\
+	const byte *tile_row = cdev->tiles.data + cy * cdev->tiles.raster;\
+	int ty;\
+\
+	for ( ty = y; ty < y + h; ty++, data_row += raster ) {\
+	  int cx = (x + x_offset(ty, cdev)) % cdev->tiles.rep_width;\
+	  const byte *tp = tile_row + (cx >> 3);\
+	  byte tbit = 0x80 >> (cx & 7);\
+	  int tx;\
+\
+	  for ( tx = x; tx < x + w; ) {\
+	    int tx1;\
+\
+	    /* Skip a run of 0s. */\
+	    while ( tx < x + w && (*tp & tbit) == 0 )\
+	      t_next(tx);\
+	    if ( tx == x + w )\
+	      break;\
+	    /* Scan a run of 1s. */\
+	    tx1 = tx;\
+	    do {\
+	      t_next(tx);\
+	    } while ( tx < x + w && (*tp & tbit) != 0 );\
+	    if_debug3('T', "[T]run x=(%d,%d), y=%d\n", tx1, tx, ty);
+/* (body goes here) */
+#define END_FOR_RUNS()\
+	  }\
+	  if ( ++cy == cdev->tiles.size.y )\
+	    cy = 0, tile_row = cdev->tiles.data;\
+	  else\
+	    tile_row += cdev->tiles.raster;\
+	}
+
+/* Copy a color rectangle. */
+private int
+tile_clip_copy_color(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		     int x, int y, int w, int h)
+{
+    gx_device_tile_clip *cdev = (gx_device_tile_clip *) dev;
+
+    FOR_RUNS(data_row, txrun, tx, ty) {
+	/* Copy the run. */
+	int code = (*dev_proc(cdev->target, copy_color))
+	(cdev->target, data_row, sourcex + txrun - x, raster,
+	 gx_no_bitmap_id, txrun, ty, tx - txrun, 1);
+
+	if (code < 0)
+	    return code;
+    }
+    END_FOR_RUNS();
+    return 0;
+}
+
+/* Copy an alpha rectangle similarly. */
+private int
+tile_clip_copy_alpha(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		int x, int y, int w, int h, gx_color_index color, int depth)
+{
+    gx_device_tile_clip *cdev = (gx_device_tile_clip *) dev;
+
+    FOR_RUNS(data_row, txrun, tx, ty) {
+	/* Copy the run. */
+	int code = (*dev_proc(cdev->target, copy_alpha))
+	(cdev->target, data_row, sourcex + txrun - x, raster,
+	 gx_no_bitmap_id, txrun, ty, tx - txrun, 1, color, depth);
+
+	if (code < 0)
+	    return code;
+    }
+    END_FOR_RUNS();
+    return 0;
+}
+
+/* Copy a RasterOp rectangle similarly. */
+private int
+tile_clip_strip_copy_rop(gx_device * dev,
+	       const byte * data, int sourcex, uint raster, gx_bitmap_id id,
+			 const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			 int x, int y, int w, int h,
+		       int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_tile_clip *cdev = (gx_device_tile_clip *) dev;
+
+    FOR_RUNS(data_row, txrun, tx, ty) {
+	/* Copy the run. */
+	int code = (*dev_proc(cdev->target, strip_copy_rop))
+	(cdev->target, data_row, sourcex + txrun - x, raster,
+	 gx_no_bitmap_id, scolors, textures, tcolors,
+	 txrun, ty, tx - txrun, 1, phase_x, phase_y, lop);
+
+	if (code < 0)
+	    return code;
+    }
+    END_FOR_RUNS();
+    return 0;
+}
diff --git a/pstoraster/gxclip2.h b/pstoraster/gxclip2.h
new file mode 100644
index 000000000..c89def430
--- /dev/null
+++ b/pstoraster/gxclip2.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1993, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Tiled mask clipping device and interface */
+
+#ifndef gxclip2_INCLUDED
+#  define gxclip2_INCLUDED
+
+#include "gxmclip.h"
+
+/* The structure for tile clipping is the same as for simple mask clipping. */
+typedef gx_device_mask_clip gx_device_tile_clip;
+
+#define private_st_device_tile_clip() /* in gxclip2.c */\
+  gs_private_st_suffix_add0(st_device_tile_clip, gx_device_tile_clip,\
+    "gx_device_tile_clip", device_tile_clip_enum_ptrs,\
+    device_tile_clip_reloc_ptrs, st_device_mask_clip)
+
+/*
+ * Initialize a tile clipping device from a mask.
+ * We supply an explicit phase.
+ */
+int tile_clip_initialize(P5(gx_device_tile_clip * cdev,
+			    const gx_strip_bitmap * tiles,
+			    gx_device * tdev, int px, int py));
+
+/*
+ * Set the phase of the tile -- used in the tiling loop when
+ * the tile doesn't simply fill the plane.
+ */
+void tile_clip_set_phase(P3(gx_device_tile_clip * cdev, int px, int py));
+
+#endif /* gxclip2_INCLUDED */
diff --git a/pstoraster/gxclipm.c b/pstoraster/gxclipm.c
new file mode 100644
index 000000000..73e1802ed
--- /dev/null
+++ b/pstoraster/gxclipm.c
@@ -0,0 +1,309 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Mask clipping device */
+#include "memory_.h"
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxclipm.h"
+
+/* Device procedures */
+private dev_proc_fill_rectangle(mask_clip_fill_rectangle);
+private dev_proc_copy_mono(mask_clip_copy_mono);
+private dev_proc_copy_color(mask_clip_copy_color);
+private dev_proc_copy_alpha(mask_clip_copy_alpha);
+private dev_proc_strip_copy_rop(mask_clip_strip_copy_rop);
+private dev_proc_get_clipping_box(mask_clip_get_clipping_box);
+
+/* The device descriptor. */
+const gx_device_mask_clip gs_mask_clip_device =
+{std_device_std_body_open(gx_device_mask_clip, 0, "mask clipper",
+			  0, 0, 1, 1),
+ {gx_default_open_device,
+  gx_forward_get_initial_matrix,
+  gx_default_sync_output,
+  gx_default_output_page,
+  gx_default_close_device,
+  gx_forward_map_rgb_color,
+  gx_forward_map_color_rgb,
+  mask_clip_fill_rectangle,
+  gx_default_tile_rectangle,
+  mask_clip_copy_mono,
+  mask_clip_copy_color,
+  gx_default_draw_line,
+  gx_forward_get_bits,
+  gx_forward_get_params,
+  gx_forward_put_params,
+  gx_forward_map_cmyk_color,
+  gx_forward_get_xfont_procs,
+  gx_forward_get_xfont_device,
+  gx_forward_map_rgb_alpha_color,
+  gx_forward_get_page_device,
+  gx_forward_get_alpha_bits,
+  mask_clip_copy_alpha,
+  gx_forward_get_band,
+  gx_default_copy_rop,
+  gx_default_fill_path,
+  gx_default_stroke_path,
+  gx_default_fill_mask,
+  gx_default_fill_trapezoid,
+  gx_default_fill_parallelogram,
+  gx_default_fill_triangle,
+  gx_default_draw_thin_line,
+  gx_default_begin_image,
+  gx_default_image_data,
+  gx_default_end_image,
+  gx_default_strip_tile_rectangle,
+  mask_clip_strip_copy_rop,
+  mask_clip_get_clipping_box,
+  gx_default_begin_typed_image,
+  gx_forward_get_bits_rectangle,
+  gx_forward_map_color_rgb_alpha,
+  gx_no_create_compositor,
+  gx_forward_get_hardware_params,
+  gx_default_text_begin
+ }
+};
+
+/* Fill a rectangle by painting through the mask. */
+private int
+mask_clip_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			 gx_color_index color)
+{
+    gx_device_mask_clip *cdev = (gx_device_mask_clip *) dev;
+    gx_device *tdev = cdev->target;
+
+    /* Clip the rectangle to the region covered by the mask. */
+    int mx0 = x + cdev->phase.x, my0 = y + cdev->phase.y;
+    int mx1 = mx0 + w, my1 = my0 + h;
+
+    if (mx0 < 0)
+	mx0 = 0;
+    if (my0 < 0)
+	my0 = 0;
+    if (mx1 > cdev->tiles.size.x)
+	mx1 = cdev->tiles.size.x;
+    if (my1 > cdev->tiles.size.y)
+	my1 = cdev->tiles.size.y;
+    return (*dev_proc(tdev, copy_mono))
+	(tdev, cdev->tiles.data + my0 * cdev->tiles.raster, mx0,
+	 cdev->tiles.raster, cdev->tiles.id,
+	 mx0 - cdev->phase.x, my0 - cdev->phase.y,
+	 mx1 - mx0, my1 - my0, gx_no_color_index, color);
+}
+
+/*
+ * Clip the rectangle for a copy operation.
+ * Sets m{x,y}{0,1} to the region in the mask coordinate system;
+ * subtract cdev->phase.{x,y} to get target coordinates.
+ * Sets sdata, sx to adjusted values of data, sourcex.
+ * References cdev, data, sourcex, raster, x, y, w, h.
+ */
+#define DECLARE_MASK_COPY\
+	const byte *sdata;\
+	int sx, mx0, my0, mx1, my1
+#define FIT_MASK_COPY(data, sourcex, raster, vx, vy, vw, vh)\
+	BEGIN\
+	  sdata = data, sx = sourcex;\
+	  mx0 = vx + cdev->phase.x, my0 = vy + cdev->phase.y;\
+	  mx1 = mx0 + vw, my1 = my0 + vh;\
+	  if ( mx0 < 0 )\
+	    sx -= mx0, mx0 = 0;\
+	  if ( my0 < 0 )\
+	    sdata -= my0 * raster, my0 = 0;\
+	  if ( mx1 > cdev->tiles.size.x )\
+	    mx1 = cdev->tiles.size.x;\
+	  if ( my1 > cdev->tiles.size.y )\
+	    my1 = cdev->tiles.size.y;\
+	END
+
+/* Copy a monochrome bitmap by playing Boolean games. */
+private int
+mask_clip_copy_mono(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		    int x, int y, int w, int h,
+		    gx_color_index color0, gx_color_index color1)
+{
+    gx_device_mask_clip *cdev = (gx_device_mask_clip *) dev;
+    gx_device *tdev = cdev->target;
+    gx_color_index color, mcolor0, mcolor1;
+
+    DECLARE_MASK_COPY;
+    int cy, ny;
+    int code;
+
+    setup_mask_copy_mono(cdev, color, mcolor0, mcolor1);
+    FIT_MASK_COPY(data, sourcex, raster, x, y, w, h);
+    for (cy = my0; cy < my1; cy += ny) {
+	int ty = cy - cdev->phase.y;
+	int cx, nx;
+
+	ny = my1 - cy;
+	if (ny > cdev->mdev.height)
+	    ny = cdev->mdev.height;
+	for (cx = mx0; cx < mx1; cx += nx) {
+	    int tx = cx - cdev->phase.x;
+
+	    nx = mx1 - cx;	/* also should be min */
+	    /* Copy a tile slice to the memory device buffer. */
+	    memcpy(cdev->buffer.bytes,
+		   cdev->tiles.data + cy * cdev->tiles.raster,
+		   cdev->tiles.raster * ny);
+	    /* Intersect the tile with the source data. */
+	    /* mcolor0 and mcolor1 invert the data if needed. */
+	    /* This call can't fail. */
+	    (*dev_proc(&cdev->mdev, copy_mono)) ((gx_device *) & cdev->mdev,
+				     sdata + (ty - y) * raster, sx + tx - x,
+						 raster, gx_no_bitmap_id,
+					   cx, 0, nx, ny, mcolor0, mcolor1);
+	    /* Now copy the color through the double mask. */
+	    code = (*dev_proc(tdev, copy_mono)) (cdev->target,
+				 cdev->buffer.bytes, cx, cdev->tiles.raster,
+						 gx_no_bitmap_id,
+				  tx, ty, nx, ny, gx_no_color_index, color);
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
+
+/*
+ * Define the run enumerator for the other copying operations.  We can't use
+ * the BitBlt tricks: we have to scan for runs of 1s.  There are obvious
+ * ways to speed this up; we'll implement some if we need to.
+ */
+private int
+clip_runs_enumerate(gx_device_mask_clip * cdev,
+		    int (*process) (P5(clip_callback_data_t * pccd, int xc, int yc, int xec, int yec)),
+		    clip_callback_data_t * pccd)
+{
+    DECLARE_MASK_COPY;
+    int cy;
+    const byte *tile_row;
+
+    FIT_MASK_COPY(pccd->data, pccd->sourcex, pccd->raster,
+		  pccd->x, pccd->y, pccd->w, pccd->h);
+    tile_row = cdev->tiles.data + my0 * cdev->tiles.raster + (mx0 >> 3);
+    for (cy = my0; cy < my1; cy++) {
+	int cx = mx0;
+	const byte *tp = tile_row;
+	byte tbit = 0x80 >> (cx & 7);
+
+	while (cx < mx1) {
+	    int tx1, tx, ty;
+	    int code;
+
+	    /* Skip a run of 0s. */
+	    while (cx < mx1 && (*tp & tbit) == 0) {
+		if ((tbit >>= 1) == 0)
+		    tp++, tbit = 0x80;
+		++cx;
+	    }
+	    if (cx == mx1)
+		break;
+	    /* Scan a run of 1s. */
+	    tx1 = cx - cdev->phase.x;
+	    do {
+		if ((tbit >>= 1) == 0)
+		    tp++, tbit = 0x80;
+		++cx;
+	    } while (cx < mx1 && (*tp & tbit) != 0);
+	    tx = cx - cdev->phase.x;
+	    ty = cy - cdev->phase.y;
+	    code = (*process) (pccd, tx1, ty, tx, ty + 1);
+	    if (code < 0)
+		return code;
+	}
+	tile_row += cdev->tiles.raster;
+    }
+    return 0;
+}
+
+/* Copy a color rectangle */
+private int
+mask_clip_copy_color(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		     int x, int y, int w, int h)
+{
+    gx_device_mask_clip *cdev = (gx_device_mask_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    ccdata.tdev = cdev->target;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    return clip_runs_enumerate(cdev, clip_call_copy_color, &ccdata);
+}
+
+/* Copy a rectangle with alpha */
+private int
+mask_clip_copy_alpha(gx_device * dev,
+		const byte * data, int sourcex, int raster, gx_bitmap_id id,
+		int x, int y, int w, int h, gx_color_index color, int depth)
+{
+    gx_device_mask_clip *cdev = (gx_device_mask_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    ccdata.tdev = cdev->target;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    ccdata.color[0] = color, ccdata.depth = depth;
+    return clip_runs_enumerate(cdev, clip_call_copy_alpha, &ccdata);
+}
+
+private int
+mask_clip_strip_copy_rop(gx_device * dev,
+	       const byte * data, int sourcex, uint raster, gx_bitmap_id id,
+			 const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+			 int x, int y, int w, int h,
+		       int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_mask_clip *cdev = (gx_device_mask_clip *) dev;
+    clip_callback_data_t ccdata;
+
+    ccdata.tdev = cdev->target;
+    ccdata.x = x, ccdata.y = y, ccdata.w = w, ccdata.h = h;
+    ccdata.data = data, ccdata.sourcex = sourcex, ccdata.raster = raster;
+    ccdata.scolors = scolors, ccdata.textures = textures,
+	ccdata.tcolors = tcolors;
+    ccdata.phase.x = phase_x, ccdata.phase.y = phase_y, ccdata.lop = lop;
+    return clip_runs_enumerate(cdev, clip_call_strip_copy_rop, &ccdata);
+}
+
+private void
+mask_clip_get_clipping_box(gx_device * dev, gs_fixed_rect * pbox)
+{
+    gx_device_mask_clip *cdev = (gx_device_mask_clip *) dev;
+    gx_device *tdev = cdev->target;
+    gs_fixed_rect tbox;
+
+    (*dev_proc(tdev, get_clipping_box)) (tdev, &tbox);
+    pbox->p.x = tbox.p.x - cdev->phase.x;
+    pbox->p.y = tbox.p.y - cdev->phase.y;
+    pbox->q.x = tbox.q.x - cdev->phase.x;
+    pbox->q.y = tbox.q.y - cdev->phase.y;
+}
diff --git a/pstoraster/gxclipm.h b/pstoraster/gxclipm.h
new file mode 100644
index 000000000..84755640d
--- /dev/null
+++ b/pstoraster/gxclipm.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsstruct.h, gxdevice.h, gxdevmem.h */
+
+#ifndef gxclipm_INCLUDED
+#  define gxclipm_INCLUDED
+
+#include "gxmclip.h"
+
+extern const gx_device_mask_clip gs_mask_clip_device;
+
+#endif /* gxclipm_INCLUDED */
diff --git a/pstoraster/gxclist.c b/pstoraster/gxclist.c
new file mode 100644
index 000000000..e9aa30e94
--- /dev/null
+++ b/pstoraster/gxclist.c
@@ -0,0 +1,734 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1991, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command list document- and page-level code. */
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gp.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxclpath.h"
+#include "gsparams.h"
+
+/* Forward declarations of driver procedures */
+private dev_proc_open_device(clist_open);
+private dev_proc_output_page(clist_output_page);
+private dev_proc_close_device(clist_close);
+private dev_proc_get_band(clist_get_band);
+
+/* In gxclrect.c */
+extern dev_proc_fill_rectangle(clist_fill_rectangle);
+extern dev_proc_copy_mono(clist_copy_mono);
+extern dev_proc_copy_color(clist_copy_color);
+extern dev_proc_copy_alpha(clist_copy_alpha);
+extern dev_proc_strip_tile_rectangle(clist_strip_tile_rectangle);
+extern dev_proc_strip_copy_rop(clist_strip_copy_rop);
+
+/* In gxclpath.c */
+extern dev_proc_fill_path(clist_fill_path);
+extern dev_proc_stroke_path(clist_stroke_path);
+
+/* In gxclimag.c */
+extern dev_proc_fill_mask(clist_fill_mask);
+extern dev_proc_begin_image(clist_begin_image);
+extern dev_proc_begin_typed_image(clist_begin_typed_image);
+extern dev_proc_create_compositor(clist_create_compositor);
+
+/* In gxclread.c */
+extern dev_proc_get_bits_rectangle(clist_get_bits_rectangle);
+
+/* Other forward declarations */
+private int clist_put_current_params(P1(gx_device_clist_writer *cldev));
+
+/* The device procedures */
+const gx_device_procs gs_clist_device_procs = {
+    clist_open,
+    gx_forward_get_initial_matrix,
+    gx_default_sync_output,
+    clist_output_page,
+    clist_close,
+    gx_forward_map_rgb_color,
+    gx_forward_map_color_rgb,
+    clist_fill_rectangle,
+    gx_default_tile_rectangle,
+    clist_copy_mono,
+    clist_copy_color,
+    gx_default_draw_line,
+    gx_default_get_bits,
+    gx_forward_get_params,
+    gx_forward_put_params,
+    gx_forward_map_cmyk_color,
+    gx_forward_get_xfont_procs,
+    gx_forward_get_xfont_device,
+    gx_forward_map_rgb_alpha_color,
+    gx_forward_get_page_device,
+    gx_forward_get_alpha_bits,
+    clist_copy_alpha,
+    clist_get_band,
+    gx_default_copy_rop,
+    clist_fill_path,
+    clist_stroke_path,
+    clist_fill_mask,
+    gx_default_fill_trapezoid,
+    gx_default_fill_parallelogram,
+    gx_default_fill_triangle,
+    gx_default_draw_thin_line,
+    clist_begin_image,
+    gx_default_image_data,
+    gx_default_end_image,
+    clist_strip_tile_rectangle,
+    clist_strip_copy_rop,
+    gx_forward_get_clipping_box,
+    clist_begin_typed_image,
+    clist_get_bits_rectangle,
+    gx_forward_map_color_rgb_alpha,
+    clist_create_compositor,
+    gx_forward_get_hardware_params,
+    gx_default_text_begin
+};
+
+/* ------ Define the command set and syntax ------ */
+
+/* Initialization for imager state. */
+/* The initial scale is arbitrary. */
+const gs_imager_state clist_imager_state_initial =
+{gs_imager_state_initial(300.0 / 72.0)};
+
+/*
+ * The buffer area (data, data_size) holds a bitmap cache when both writing
+ * and reading.  The rest of the space is used for the command buffer and
+ * band state bookkeeping when writing, and for the rendering buffer (image
+ * device) when reading.  For the moment, we divide the space up
+ * arbitrarily, except that we allocate less space for the bitmap cache if
+ * the device doesn't need halftoning.
+ *
+ * All the routines for allocating tables in the buffer are idempotent, so
+ * they can be used to check whether a given-size buffer is large enough.
+ */
+
+/*
+ * Calculate the desired size for the tile cache.
+ */
+private uint
+clist_tile_cache_size(const gx_device * target, uint data_size)
+{
+    uint bits_size =
+    (data_size / 5) & -align_cached_bits_mod;	/* arbitrary */
+
+    if (!gx_device_must_halftone(target)) {	/* No halftones -- cache holds only Patterns & characters. */
+	bits_size -= bits_size >> 2;
+    }
+#define min_bits_size 1024
+    if (bits_size < min_bits_size)
+	bits_size = min_bits_size;
+#undef min_bits_size
+    return bits_size;
+}
+
+/*
+ * Initialize the allocation for the tile cache.  Sets: tile_hash_mask,
+ * tile_max_count, tile_table, chunk (structure), bits (structure).
+ */
+private int
+clist_init_tile_cache(gx_device * dev, byte * init_data, ulong data_size)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    byte *data = init_data;
+    uint bits_size = data_size;
+    /*
+     * Partition the bits area between the hash table and the actual
+     * bitmaps.  The per-bitmap overhead is about 24 bytes; if the
+     * average character size is 10 points, its bitmap takes about 24 +
+     * 0.5 * 10/72 * xdpi * 10/72 * ydpi / 8 bytes (the 0.5 being a
+     * fudge factor to account for characters being narrower than they
+     * are tall), which gives us a guideline for the size of the hash
+     * table.
+     */
+    uint avg_char_size =
+    (uint) (dev->x_pixels_per_inch * dev->y_pixels_per_inch *
+	    (0.5 * 10 / 72 * 10 / 72 / 8)) + 24;
+    uint hc = bits_size / avg_char_size;
+    uint hsize;
+
+    while ((hc + 1) & hc)
+	hc |= hc >> 1;		/* make mask (power of 2 - 1) */
+    if (hc < 0xff)
+	hc = 0xff;		/* make allowance for halftone tiles */
+    else if (hc > 0xfff)
+	hc = 0xfff;		/* cmd_op_set_tile_index has 12-bit operand */
+    /* Make sure the tables will fit. */
+    while (hc >= 3 && (hsize = (hc + 1) * sizeof(tile_hash)) >= bits_size)
+	hc >>= 1;
+    if (hc < 3)
+	return_error(gs_error_rangecheck);
+    cdev->tile_hash_mask = hc;
+    cdev->tile_max_count = hc - (hc >> 2);
+    cdev->tile_table = (tile_hash *) data;
+    data += hsize;
+    bits_size -= hsize;
+    gx_bits_cache_chunk_init(&cdev->chunk, data, bits_size);
+    gx_bits_cache_init(&cdev->bits, &cdev->chunk);
+    return 0;
+}
+
+/*
+ * Initialize the allocation for the bands.  Requires: target.  Sets:
+ * page_band_height (=page_info.band_params.BandHeight), nbands.
+ */
+private int
+clist_init_bands(gx_device * dev, uint data_size, int band_width,
+		 int band_height)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    gx_device *target = cdev->target;
+    int nbands;
+
+    if (gdev_mem_data_size((gx_device_memory *) target, band_width,
+			   band_height) > data_size
+	)
+	return_error(gs_error_rangecheck);
+    cdev->page_band_height = band_height;
+    nbands = (target->height + band_height - 1) / band_height;
+    cdev->nbands = nbands;
+#ifdef DEBUG
+    if (gs_debug_c('l') | gs_debug_c(':'))
+	dlprintf4("[:]width=%d, band_width=%d, band_height=%d, nbands=%d\n",
+		  target->width, band_width, band_height, nbands);
+#endif
+    return 0;
+}
+
+/*
+ * Initialize the allocation for the band states, which are used only
+ * when writing.  Requires: nbands.  Sets: states, cbuf, cend.
+ */
+private int
+clist_init_states(gx_device * dev, byte * init_data, uint data_size)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    ulong state_size = cdev->nbands * (ulong) sizeof(gx_clist_state);
+
+    fprintf(stderr, "DEBUG: init_data = %p for cdev->states!\n", init_data);
+
+    /*
+     * The +100 in the next line is bogus, but we don't know what the
+     * real check should be. We're effectively assuring that at least 100
+     * bytes will be available to buffer command operands.
+     */
+    if (state_size + sizeof(cmd_prefix) + cmd_largest_size + 100 > data_size)
+	return_error(gs_error_rangecheck);
+    cdev->states = (gx_clist_state *) init_data;
+    cdev->cbuf = init_data + state_size;
+    cdev->cend = init_data + data_size;
+    return 0;
+}
+
+/*
+ * Initialize all the data allocations.  Requires: target.  Sets:
+ * page_tile_cache_size, page_info.band_params.BandWidth,
+ * page_info.band_params.BandBufferSpace, + see above.
+ */
+private int
+clist_init_data(gx_device * dev, byte * init_data, uint data_size)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    gx_device *target = cdev->target;
+    const int band_width =
+    cdev->page_info.band_params.BandWidth =
+    (cdev->band_params.BandWidth ? cdev->band_params.BandWidth :
+     target->width);
+    int band_height = cdev->band_params.BandHeight;
+    const uint band_space =
+    cdev->page_info.band_params.BandBufferSpace =
+    (cdev->band_params.BandBufferSpace ?
+     cdev->band_params.BandBufferSpace : data_size);
+    byte *data = init_data;
+    uint size = band_space;
+    uint bits_size;
+    int code;
+
+    if (band_height) {		/*
+				 * The band height is fixed, so the band buffer requirement
+				 * is completely determined.
+				 */
+	uint band_data_size =
+	gdev_mem_data_size((gx_device_memory *) target,
+			   band_width, band_height);
+
+	if (band_data_size >= band_space)
+	    return_error(gs_error_rangecheck);
+	bits_size = min(band_space - band_data_size, data_size >> 1);
+	/**** MRS - make sure bits_size is 64-bit aligned for clist data!!! ****/
+	bits_size = (bits_size + 7) & ~7;
+    } else {			/*
+				 * Choose the largest band height that will fit in the
+				 * rendering-time buffer.
+				 */
+	bits_size = clist_tile_cache_size(target, band_space);
+	bits_size = min(bits_size, data_size >> 1);
+	/**** MRS - make sure bits_size is 64-bit aligned for clist data!!! ****/
+	bits_size = (bits_size + 7) & ~7;
+	band_height = gdev_mem_max_height((gx_device_memory *) target,
+					  band_width,
+					  band_space - bits_size);
+	if (band_height == 0)
+	    return_error(gs_error_rangecheck);
+    }
+    code = clist_init_tile_cache(dev, data, bits_size);
+    if (code < 0)
+	return code;
+    cdev->page_tile_cache_size = bits_size;
+    data += bits_size;
+    size -= bits_size;
+    code = clist_init_bands(dev, size, band_width, band_height);
+    if (code < 0)
+	return code;
+    return clist_init_states(dev, data, data_size - bits_size);
+}
+/*
+ * Reset the device state (for writing).  This routine requires only
+ * data, data_size, and target to be set, and is idempotent.
+ */
+private int
+clist_reset(gx_device * dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code = clist_init_data(dev, cdev->data, cdev->data_size);
+    int nbands;
+
+    if (code < 0)
+	return (cdev->permanent_error = code);
+    /* Now initialize the rest of the state. */
+    cdev->permanent_error = 0;
+    nbands = cdev->nbands;
+    cdev->ymin = cdev->ymax = -1;	/* render_init not done yet */
+    memset(cdev->tile_table, 0, (cdev->tile_hash_mask + 1) *
+	   sizeof(*cdev->tile_table));
+    cdev->cnext = cdev->cbuf;
+    cdev->ccl = 0;
+    cdev->band_range_list.head = cdev->band_range_list.tail = 0;
+    cdev->band_range_min = 0;
+    cdev->band_range_max = nbands - 1;
+    {
+	int band;
+	gx_clist_state *states = cdev->states;
+
+	for (band = 0; band < nbands; band++, states++) {
+	    static const gx_clist_state cls_initial =
+	    {cls_initial_values};
+
+	    *states = cls_initial;
+	}
+    }
+    /*
+     * Round up the size of the per-tile band mask so that the bits,
+     * which follow it, stay aligned.
+     */
+    cdev->tile_band_mask_size =
+	((nbands + (align_bitmap_mod * 8 - 1)) >> 3) &
+	~(align_bitmap_mod - 1);
+    /*
+     * Initialize the all-band parameters to impossible values,
+     * to force them to be written the first time they are used.
+     */
+    memset(&cdev->tile_params, 0, sizeof(cdev->tile_params));
+    cdev->tile_depth = 0;
+    cdev->tile_known_min = nbands;
+    cdev->tile_known_max = -1;
+    cdev->imager_state = clist_imager_state_initial;
+    cdev->clip_path = NULL;
+    cdev->clip_path_id = gs_no_id;
+    cdev->color_space = 0;
+    {
+	int i;
+
+	for (i = 0; i < countof(cdev->transfer_ids); ++i)
+	    cdev->transfer_ids[i] = gs_no_id;
+    }
+    cdev->black_generation_id = gs_no_id;
+    cdev->undercolor_removal_id = gs_no_id;
+    cdev->device_halftone_id = gs_no_id;
+    return 0;
+}
+/*
+ * Initialize the device state (for writing).  This routine requires only
+ * data, data_size, and target to be set, and is idempotent.
+ */
+private int
+clist_init(gx_device * dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code = clist_reset(dev);
+
+    if (code >= 0) {
+	cdev->image_enum_id = gs_no_id;
+	cdev->error_is_retryable = 0;
+	cdev->driver_call_nesting = 0;
+	cdev->ignore_lo_mem_warnings = 0;
+    }
+    return code;
+}
+
+/* (Re)init open band files for output (set block size, etc). */
+private int	/* ret 0 ok, -ve error code */
+clist_reinit_output_file(gx_device *dev)
+{    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code = 0;
+
+	/* bfile needs to guarantee cmd_blocks for: 1 band range, nbands */
+	/*  & terminating entry */
+	int b_block = sizeof(cmd_block) * (cdev->nbands + 2);
+
+	/* cfile needs to guarantee one writer buffer */
+	/*  + one end_clip cmd (if during image's clip path setup) */
+	/*  + an end_image cmd for each band (if during image) */
+	/*  + end_cmds for each band and one band range */
+	int c_block
+	 = cdev->cend - cdev->cbuf + 2 + cdev->nbands * 2 + (cdev->nbands + 1);
+
+	/* All this is for partial page rendering's benefit, do only */
+	/* if partial page rendering is available */
+	if ( clist_test_VMerror_recoverable(cdev) )
+	  { if (cdev->page_bfile != 0)
+	      code = clist_set_memory_warning(cdev->page_bfile, b_block);
+	    if (code >= 0 && cdev->page_cfile != 0)
+	      code = clist_set_memory_warning(cdev->page_cfile, c_block);
+	  }
+	return code;
+}
+
+/* Write out the current parameters that must be at the head of each page */
+/* if async rendering is in effect */
+private int
+clist_emit_page_header(gx_device *dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code = 0;
+
+    if ( (cdev->disable_mask & clist_disable_pass_thru_params) )
+	{ do
+	    if (  ( code = clist_put_current_params(cdev) ) >= 0  )
+	        break;
+	  while (  ( code = clist_VMerror_recover(cdev, code) ) < 0  );
+	cdev->permanent_error = (code < 0) ? code : 0;
+	if (cdev->permanent_error < 0)
+	    cdev->error_is_retryable = 0;
+	}
+    return code;
+}
+
+/* Open the device's bandfiles */
+private int
+clist_open_output_file(gx_device *dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    char fmode[4];
+    int code;
+
+    if (cdev->do_not_open_or_close_bandfiles)
+	return 0; /* external bandfile open/close managed externally */
+    cdev->page_cfile = 0;	/* in case of failure */
+    cdev->page_bfile = 0;	/* ditto */
+    code = clist_init(dev);
+    if (code < 0)
+	return code;
+    strcpy(fmode, "w+");
+    strcat(fmode, gp_fmode_binary_suffix);
+    cdev->page_cfname[0] = 0;	/* create a new file */
+    cdev->page_bfname[0] = 0;	/* ditto */
+    cdev->page_bfile_end_pos = 0;
+    if ((code = clist_fopen(cdev->page_cfname, fmode, &cdev->page_cfile,
+			    cdev->bandlist_memory, cdev->bandlist_memory,
+			    true)) < 0 ||
+	(code = clist_fopen(cdev->page_bfname, fmode, &cdev->page_bfile,
+			    cdev->bandlist_memory, cdev->bandlist_memory,
+			    true)) < 0 ||
+	(code = clist_reinit_output_file(dev)) < 0
+	) {
+	clist_close_output_file(dev);
+	cdev->permanent_error = code;
+	cdev->error_is_retryable = 0;
+    }
+    return code;
+}
+
+/* Close the device by freeing the temporary files. */
+/* Note that this does not deallocate the buffer. */
+int
+clist_close_output_file(gx_device *dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+
+    if (cdev->page_cfile != NULL) {
+	clist_fclose(cdev->page_cfile, cdev->page_cfname, true);
+	cdev->page_cfile = NULL;
+    }
+    if (cdev->page_bfile != NULL) {
+	clist_fclose(cdev->page_bfile, cdev->page_bfname, true);
+	cdev->page_bfile = NULL;
+    }
+    return 0;
+}
+
+/* Open the device by initializing the device state and opening the */
+/* scratch files. */
+private int
+clist_open(gx_device *dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code;
+
+    cdev->permanent_error = 0;
+    code = clist_init(dev);
+    if (code < 0)
+	return code;
+    code = clist_open_output_file(dev);
+    if ( code >= 0)
+	code = clist_emit_page_header(dev);
+    return code;
+}
+
+private int
+clist_close(gx_device *dev)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+
+    if (cdev->do_not_open_or_close_bandfiles)
+	return 0;	
+    return clist_close_output_file(dev);
+}
+
+/* The output_page procedure should never be called! */
+private int
+clist_output_page(gx_device * dev, int num_copies, int flush)
+{
+    return_error(gs_error_Fatal);
+}
+
+/* Reset (or prepare to append to) the command list after printing a page. */
+int
+clist_finish_page(gx_device *dev, bool flush)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code;
+
+    if (flush) {
+	if (cdev->page_cfile != 0)
+	    clist_rewind(cdev->page_cfile, true, cdev->page_cfname);
+	if (cdev->page_bfile != 0)
+	    clist_rewind(cdev->page_bfile, true, cdev->page_bfname);
+	cdev->page_bfile_end_pos = 0;
+    } else {
+	if (cdev->page_cfile != 0)
+	    clist_fseek(cdev->page_cfile, 0L, SEEK_END, cdev->page_cfname);
+	if (cdev->page_bfile != 0)
+	    clist_fseek(cdev->page_bfile, 0L, SEEK_END, cdev->page_bfname);
+    }
+    code = clist_init(dev);		/* reinitialize */
+    if (code >= 0)
+	code = clist_reinit_output_file(dev);
+    if (code >= 0)
+	code = clist_emit_page_header(dev);
+
+    return code;
+}
+
+/* ------ Writing ------ */
+
+/* End a page by flushing the buffer and terminating the command list. */
+int	/* ret 0 all-ok, -ve error code, or +1 ok w/low-mem warning */
+clist_end_page(gx_device_clist_writer * cldev)
+{
+    int code = cmd_write_buffer(cldev, cmd_opv_end_page);
+    cmd_block cb;
+    int ecode = 0;
+
+    if (code >= 0) {
+	/*
+	 * Write the terminating entry in the block file.
+	 * Note that because of copypage, there may be many such entries.
+	 */
+	cb.band_min = cb.band_max = cmd_band_end;
+	cb.pos = (cldev->page_cfile == 0 ? 0 : clist_ftell(cldev->page_cfile));
+	clist_fwrite_chars(&cb, sizeof(cb), cldev->page_bfile);
+	cldev->page_bfile_end_pos = clist_ftell(cldev->page_bfile);
+    }
+    if (code >= 0) {
+	ecode |= code;
+	cldev->page_bfile_end_pos = clist_ftell(cldev->page_bfile);
+    }
+    if (code < 0)
+	ecode = code;
+
+    /* Reset warning margin to 0 to release reserve memory if mem files */
+    if (cldev->page_bfile != 0)
+	clist_set_memory_warning(cldev->page_bfile, 0);
+    if (cldev->page_cfile != 0)
+	clist_set_memory_warning(cldev->page_cfile, 0);
+
+#ifdef DEBUG
+    if (gs_debug_c('l') | gs_debug_c(':'))
+	dlprintf2("[:]clist_end_page at cfile=%ld, bfile=%ld\n",
+		  cb.pos, cldev->page_bfile_end_pos);
+#endif
+    return 0;
+}
+
+/* Recover recoverable VM error if possible without flushing */
+int	/* ret -ve err, >= 0 if recovered w/# = cnt pages left in page queue */
+clist_VMerror_recover(gx_device_clist_writer *cldev,
+		      int old_error_code)
+{
+    int code = old_error_code;
+    int pages_remain;
+
+    if (!clist_test_VMerror_recoverable(cldev) ||
+	!cldev->error_is_retryable ||
+	old_error_code != gs_error_VMerror
+	)
+	return old_error_code;
+
+    /* Do some rendering, return if enough memory is now free */
+    do {
+	pages_remain =
+	    (*cldev->free_up_bandlist_memory)( (gx_device *)cldev, false );
+	if (pages_remain < 0) {
+	    code = pages_remain;	/* abort, error or interrupt req */
+	    break;
+	}
+	if (clist_reinit_output_file( (gx_device *)cldev ) == 0) {
+	    code = pages_remain;	/* got enough memory to continue */
+	    break;
+	}
+    } while (pages_remain);
+
+    if_debug1('L', "[L]soft flush of command list, status: %d\n", code);
+    return code;
+}
+
+/* If recoverable VM error, flush & try to recover it */
+int	/* ret 0 ok, else -ve error */
+clist_VMerror_recover_flush(gx_device_clist_writer *cldev,
+			    int old_error_code)
+{
+    int free_code = 0;
+    int reset_code = 0;
+    int code;
+
+    /* If the device has the ability to render partial pages, flush
+     * out the bandlist, and reset the writing state. Then, get the
+     * device to render this band. When done, see if there's now enough
+     * memory to satisfy the minimum low-memory guarantees. If not, 
+     * get the device to render some more. If there's nothing left to
+     * render & still insufficient memory, declare an error condition.
+     */
+    if (!clist_test_VMerror_recoverable(cldev) ||
+	old_error_code != gs_error_VMerror
+	)
+	return old_error_code;	/* sorry, don't have any means to recover this error */
+    free_code = (*cldev->free_up_bandlist_memory)( (gx_device *)cldev, true );
+
+    /* Reset the state of bands to "don't know anything" */
+    reset_code = clist_reset( (gx_device *)cldev );
+    if (reset_code >= 0)
+	reset_code = clist_open_output_file( (gx_device *)cldev );
+    if ( reset_code >= 0 &&
+	 (cldev->disable_mask & clist_disable_pass_thru_params)
+	 )
+	reset_code = clist_put_current_params(cldev);
+    if (reset_code < 0) {
+	cldev->permanent_error = reset_code;
+	cldev->error_is_retryable = 0;
+    }
+ 
+    code = (reset_code < 0 ? reset_code : free_code < 0 ? old_error_code : 0);
+    if_debug1('L', "[L]hard flush of command list, status: %d\n", code);
+    return code;
+}
+
+/* Write the target device's current parameter list */
+private int	/* ret 0 all ok, -ve error */
+clist_put_current_params(gx_device_clist_writer *cldev)
+{
+    gx_device *target = cldev->target;
+    gs_c_param_list param_list;
+    int code;
+
+    /*
+     * If a put_params call fails, the device will be left in a closed
+     * state, but higher-level code won't notice this fact.  We flag this by
+     * setting permanent_error, which prevents writing to the command list.
+     */
+
+    if (cldev->permanent_error)
+	return cldev->permanent_error;
+    gs_c_param_list_write(&param_list, cldev->memory);
+    code = (*dev_proc(target, get_params))
+	(target, (gs_param_list *)&param_list);
+    if (code >= 0) {
+	gs_c_param_list_read(&param_list);
+	code = cmd_put_params( cldev, (gs_param_list *)&param_list );
+    }
+    gs_c_param_list_release(&param_list);
+
+    return code;
+}
+
+/* ---------------- Driver interface ---------------- */
+
+private int
+clist_get_band(gx_device * dev, int y, int *band_start)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int band_height = cdev->page_band_height;
+    int start;
+
+    if (y < 0)
+	y = 0;
+    else if (y >= dev->height)
+	y = dev->height;
+    *band_start = start = y - y % band_height;
+    return min(dev->height - start, band_height);
+}
diff --git a/pstoraster/gxclist.h b/pstoraster/gxclist.h
new file mode 100644
index 000000000..9168721d7
--- /dev/null
+++ b/pstoraster/gxclist.h
@@ -0,0 +1,299 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command list definitions for Ghostscript. */
+/* Requires gxdevice.h and gxdevmem.h */
+
+#ifndef gxclist_INCLUDED
+#  define gxclist_INCLUDED
+
+#include "gscspace.h"
+#include "gxband.h"
+#include "gxbcache.h"
+#include "gxclio.h"
+#include "gxistate.h"
+
+/*
+ * A command list is essentially a compressed list of driver calls.
+ * Command lists are used to record an image that must be rendered in bands
+ * for high-resolution and/or limited-memory printers.
+ *
+ * Command lists work in two phases.  The first phase records driver calls,
+ * sorting them according to the band(s) they affect.  The second phase
+ * reads back the commands band-by-band to create the bitmap images.
+ * When opened, a command list is in the recording state; it switches
+ * automatically from recording to reading when its get_bits procedure
+ * is called.  Currently, there is a hack to reopen the device after
+ * each page is processed, in order to switch back to recording.
+ */
+
+/*
+ * The command list contains both commands for particular bands (the vast
+ * majority) and commands that apply to a range of bands.  In order to
+ * synchronize the two, we maintain the following invariant for buffered
+ * commands:
+ *
+ *      If there are any band-range commands in the buffer, they are the
+ *      first commands in the buffer, before any specific-band commands.
+ *
+ * To maintain this invariant, whenever we are about to put an band-range
+ * command in the buffer, we check to see if the buffer already has any
+ * band-range commands in it, and if so, whether they are the last commands
+ * in the buffer and are for the same range; if the answer to any of these
+ * questions is negative, we flush the buffer.
+ */
+
+/* ---------------- Public structures ---------------- */
+
+/*
+ * Define a saved page object.  This consists of a snapshot of the device
+ * structure, information about the page per se, and the num_copies
+ * parameter of output_page.
+ */
+typedef struct gx_saved_page_s {
+    gx_device device;
+    char dname[8 + 1];		/* device name for checking */
+    gx_band_page_info info;
+    int num_copies;
+} gx_saved_page;
+
+/*
+ * Define a saved page placed at a particular (X,Y) offset for rendering.
+ */
+typedef struct gx_placed_page_s {
+    gx_saved_page *page;
+    gs_int_point offset;
+} gx_placed_page;
+  
+/*
+ * Define a procedure to cause some bandlist memory to be freed up,
+ * probably by rendering current bandlist contents.
+ */
+#define proc_free_up_bandlist_memory(proc)\
+  int proc(P2(gx_device *dev, bool flush_current))
+
+/* ---------------- Internal structures ---------------- */
+
+/*
+ * Currently, halftoning occurs during the first phase, producing calls
+ * to tile_rectangle.  Both phases keep a cache of recently seen bitmaps
+ * (halftone cells and characters), which allows writing only a short cache
+ * index in the command list rather than the entire bitmap.
+ *
+ * We keep only a single cache for all bands, but since the second phase
+ * reads the command lists for each band separately, we have to keep track
+ * for each cache entry E and band B whether the definition of E has been
+ * written into B's list.  We do this with a bit mask in each entry.
+ *
+ * Eventually, we will replace this entire arrangement with one in which
+ * we pass the actual halftone screen (whitening order) to all bands
+ * through the command list, and halftoning occurs on the second phase.
+ * This not only will shrink the command list, but will allow us to apply
+ * other rendering algorithms such as error diffusion in the second phase.
+ */
+typedef struct {
+    ulong offset;		/* writing: offset from cdev->data, */
+    /*   0 means unused */
+    /* reading: offset from cdev->chunk.data */
+} tile_hash;
+typedef struct {
+    gx_cached_bits_common;
+    /* To save space, instead of storing rep_width and rep_height, */
+    /* we store width / rep_width and height / rep_height. */
+    byte x_reps, y_reps;
+    ushort rep_shift;
+    ushort index;		/* index in table (hash table when writing) */
+    ushort num_bands;		/* # of 1-bits in the band mask */
+    /* byte band_mask[]; */
+#define ts_mask(pts) (byte *)((pts) + 1)
+    /* byte bits[]; */
+#define ts_bits(cldev,pts) (ts_mask(pts) + (cldev)->tile_band_mask_size)
+} tile_slot;
+
+
+/*
+ * In order to keep the per-band state down to a reasonable size,
+ * we store only a single set of the imager state parameters;
+ * for each parameter, each band has a flag that says whether that band
+ * 'knows' the current value of the parameters.
+ */
+extern const gs_imager_state clist_imager_state_initial;
+
+/*
+ * Define the main structure for holding command list state.
+ * Unless otherwise noted, all elements are used in both the writing (first)
+ * and reading (second) phase.
+ */
+typedef struct gx_clist_state_s gx_clist_state;
+
+#define gx_device_clist_common_members\
+	gx_device_forward_common;	/* (see gxdevice.h) */\
+		/* Following must be set before writing or reading. */\
+		/* See gx_device_clist_writer, below, for more that must be init'd */\
+	/* gx_device *target; */	/* device for which commands */\
+					/* are being buffered */\
+	dev_proc_make_buffer_device((*make_buffer_device));\
+	gs_memory_t *bandlist_memory;	/* allocator for in-memory bandlist files */\
+	byte *data;			/* buffer area */\
+	uint data_size;			/* size of buffer */\
+	gx_band_params band_params;	/* band buffering parameters */\
+	bool do_not_open_or_close_bandfiles;	/* if true, do not open/close bandfiles */\
+		/* Following are used for both writing and reading. */\
+	gx_bits_cache_chunk chunk;	/* the only chunk of bits */\
+	gx_bits_cache bits;\
+	uint tile_hash_mask;		/* size of tile hash table -1 */\
+	uint tile_band_mask_size;	/* size of band mask preceding */\
+					/* each tile in the cache */\
+	tile_hash *tile_table;		/* table for tile cache: */\
+					/* see tile_hash above */\
+					/* (a hash table when writing) */\
+	int ymin, ymax;			/* current band, <0 when writing */\
+		/* Following are set when writing, read when reading. */\
+	gx_band_page_info page_info;	/* page information */\
+	int nbands		/* # of bands */
+
+typedef struct gx_device_clist_common_s {
+    gx_device_clist_common_members;
+} gx_device_clist_common;
+
+#define clist_band_height(cldev) ((cldev)->page_info.band_height)
+#define clist_cfname(cldev) ((cldev)->page_info.cfname)
+#define clist_cfile(cldev) ((cldev)->page_info.cfile)
+#define clist_bfname(cldev) ((cldev)->page_info.bfname)
+#define clist_bfile(cldev) ((cldev)->page_info.bfile)
+
+/* Define the length of the longest dash pattern we are willing to store. */
+/* (Strokes with longer patterns are converted to fills.) */
+#define cmd_max_dash 11
+
+/* Define the state of a band list when writing. */
+typedef struct gx_device_clist_writer_s {
+    gx_device_clist_common_members;	/* (must be first) */
+    int error_code;		/* error returned by cmd_put_op */
+    gx_clist_state *states;	/* current state of each band */
+    byte *cbuf;			/* start of command buffer */
+    byte *cnext;		/* next slot in command buffer */
+    byte *cend;			/* end of command buffer */
+    cmd_list *ccl;	/* &clist_state.list of last command */
+    cmd_list band_range_list;	/* list of band-range commands */
+    int band_range_min, band_range_max;	/* range for list */
+    uint tile_max_size;		/* max size of a single tile (bytes) */
+    uint tile_max_count;	/* max # of hash table entries */
+    gx_strip_bitmap tile_params;	/* current tile parameters */
+    int tile_depth;		/* current tile depth */
+    int tile_known_min, tile_known_max;
+    /* range of bands that knows the */
+    /* current tile parameters */
+    gs_imager_state imager_state;	/* current values of imager params */
+    float dash_pattern[cmd_max_dash];	/* current dash pattern */
+    const gx_clip_path *clip_path;	/* current clip path */
+    gs_id clip_path_id;		/* id of current clip path */
+    byte color_space;		/* current color space identifier */
+    /* (only used for images) */
+    gs_indexed_params indexed_params;	/* current indexed space parameters */
+    /* (ditto) */
+    gs_id transfer_ids[4];	/* ids of transfer maps */
+    gs_id black_generation_id;	/* id of black generation map */
+    gs_id undercolor_removal_id;	/* id of u.c.r. map */
+    gs_id device_halftone_id;	/* id of device halftone */
+    gs_id image_enum_id;	/* non-0 if we are inside an image */
+				/* that we are passing through */
+	int error_is_retryable;		/* Extra status used to distinguish hard VMerrors */
+	                           /* from warnings upgraded to VMerrors. */
+	                           /* T if err ret'd by cmd_put_op et al can be retried */
+	int permanent_error;		/* if < 0, error only cleared by clist_reset() */
+	int driver_call_nesting;	/* nesting level of non-retryable driver calls */
+	int ignore_lo_mem_warnings;	/* ignore warnings from clist file/mem */
+		/* Following must be set before writing */
+	proc_free_up_bandlist_memory((*free_up_bandlist_memory)); /* if nz, proc to free some bandlist memory */
+	int disable_mask;		/* mask of routines to disable clist_disable_xxx */
+} gx_device_clist_writer;
+
+/* Bits for gx_device_clist_writer.disable_mask. Bit set disables behavior */
+#define clist_disable_fill_path	(1 << 0)
+#define clist_disable_stroke_path (1 << 1)
+#define clist_disable_hl_image (1 << 2)
+#define clist_disable_complex_clip (1 << 3)
+#define clist_disable_nonrect_hl_image (1 << 4)
+#define clist_disable_pass_thru_params (1 << 5)	/* disable EXCEPT at top of page */
+
+/* Define the state of a band list when reading. */
+/* For normal rasterizing, pages and num_pages are both 0. */
+typedef struct gx_device_clist_reader_s {
+    gx_device_clist_common_members;	/* (must be first) */
+    const gx_placed_page *pages;
+    int num_pages;
+} gx_device_clist_reader;
+
+typedef union gx_device_clist_s {
+    gx_device_clist_common common;
+    gx_device_clist_reader reader;
+    gx_device_clist_writer writer;
+} gx_device_clist;
+
+/* setup before opening clist device */
+#define clist_init_params(xclist, xdata, xdata_size, xtarget, xmake_buffer, xband_params, xexternal, xmemory, xfree_bandlist, xdisable)\
+	(xclist)->common.data = (xdata);\
+	(xclist)->common.data_size = (xdata_size);\
+	(xclist)->common.target = (xtarget);\
+	(xclist)->common.make_buffer_device = (xmake_buffer);\
+	(xclist)->common.band_params = (xband_params);\
+	(xclist)->common.do_not_open_or_close_bandfiles = (xexternal);\
+	(xclist)->common.bandlist_memory = (xmemory);\
+	(xclist)->writer.free_up_bandlist_memory = (xfree_bandlist);\
+	(xclist)->writer.disable_mask = (xdisable)
+
+/* Determine whether this clist device is able to recover VMerrors */
+#define clist_test_VMerror_recoverable(cldev)\
+  ((cldev)->free_up_bandlist_memory != 0)
+
+/* The device template itself is never used, only the procedures. */
+extern const gx_device_procs gs_clist_device_procs;
+
+/* Reset (or prepare to append to) the command list after printing a page. */
+int clist_finish_page(P2(gx_device * dev, bool flush));
+
+/* Force bandfiles closed */
+int clist_close_output_file(P1(gx_device *dev));
+
+/* Define the abstract type for a printer device. */
+#ifndef gx_device_printer_DEFINED
+#  define gx_device_printer_DEFINED
+typedef struct gx_device_printer_s gx_device_printer;
+#endif
+
+/* Do device setup from params passed in the command list. */
+int clist_setup_params(P1(gx_device *dev));
+
+/* Do more rendering to a client-supplied memory image, return results */
+int clist_get_overlay_bits(P4(gx_device_printer *pdev, int y, int line_count,
+			      byte *data));
+
+/* Find out where the band buffer for a given line is going to fall on the */
+/* next call to get_bits. */
+int clist_locate_overlay_buffer(P3(gx_device_printer *pdev, int y,
+				   byte **pdata));
+
+#endif /* gxclist_INCLUDED */
diff --git a/pstoraster/gxclmem.c b/pstoraster/gxclmem.c
new file mode 100644
index 000000000..e2e1c00d0
--- /dev/null
+++ b/pstoraster/gxclmem.c
@@ -0,0 +1,1151 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* RAM-based command list implementation */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "gxclmem.h"
+#include <config.h>
+
+/*
+ * Based on: memfile.c        Version: 1.4 3/21/95 14:59:33 by Ray Johnston.
+ * Copyright assigned to Aladdin Enterprises.
+ */
+
+/*****************************************************************************
+
+   This package is more or less optimal for use by the clist routines, with
+   a couple of the more likely to change "tuning" parameters given in the
+   two macros below -- NEED_TO_COMPRESS and GET_NUM_RAW_BUFFERS. Usually
+   the NEED_TO_COMPRESS decision will be deferred as long as possible based
+   on some total system free RAM space remaining.
+
+   The data structures are in "memfile.h", and the primary 'tuning' parameter
+   is MEMFILE_DATA_SIZE. This should not be too small to keep the overhead
+   ratio of the block structures to the clist data small. A value of 16384
+   is probably in the ballpark.
+
+   The concept is that a memory based "file" is created initially without
+   compression, with index blocks every MEMFILE_DATA_SIZE of the file. The
+   primary blocks (used by the memfile_fseek logic) for indexing into the
+   file are called 'logical' (LOG_MEMFILE_BLK) and the data in stored in a
+   different block called a 'physical' block (PHYS_MEMFILE_BLK). When the
+   file is not yet compressed, indicated by (f->phys_curr==NULL), then there
+   is one physical block for each logical block. The physical block also has
+   the 'data_limit' set to NULL if the data is not compressed. Thus when a
+   file is not compressed there is one physical block for each logical block.
+
+COMPRESSION.
+
+   When compression is triggered for a file then all of the blocks except
+   the last are compressed.  Compression will result in a physical block
+   that holds data for more than one logical block. Each logical block now
+   points to the start of compressed data in a physical block with the
+   'phys_pdata' pointer. The 'data_limit' pointer in the physical block is
+   where the compression logic stopped storing data (as stream data
+   compressors are allowed to do). The data for the logical block may span
+   to the next physical block. Once physical blocks are compressed, they are
+   chained together using the 'link' field.
+
+   The 'f->phys_curr' points to the block being filled by compression, with
+   the 'f->wt.ptr' pointing to the last byte filled in the block. These are
+   used during subsequent compression when the last logical block of the
+   file fills the physical block.
+
+DECOMPRESSION.
+
+   During reading the clist, if the logical block points to an uncompressed
+   physical block, then 'memfile_get_pdata' simply sets the 'pdata' and the
+   'pdata_end' pointers. If the logical block was compressed, then it may
+   still be resident in a cache of decompression buffers. The number of these
+   decompression buffers is not critical -- even one is enough, but having
+   more may prevent decompressing blocks more than once (a cache_miss). The
+   number of decompression buffers, called "raw" buffers, that are attempted
+   to allocate can be changed with the GET_NUM_RAW_BUFFERS macro, but no
+   error occurs if less than that number can be allocated.
+
+   If the logical block still resides in a decompression cache buffer, then
+   the 'raw_block' will identify the block. If the data for a logical block
+   only exists in compressed form, then the "tail" of the list of decompression
+   buffers is re-used, marking the 'raw_block' of the logical block that was
+   previously associated with this data to NULL.
+
+   Whichever raw decompression buffer is accessed is moved to the head of the
+   decompression buffer list in order to keep the tail of the list as the
+   "least recently used".
+
+   There are some DEBUG global static variables used to count the number of
+   cache hits "tot_cache_hits" and the number of times a logical block is
+   decompressed "tot_cache_miss". Note that the actual number of cache miss
+   events is 'f->log_length/MEMFILE_DATA_SIZE - tot_cache_miss' since we
+   assume that every logical block must be decmpressed at least once.
+
+   Empirical results so far indicate that if one cache raw buffer for every
+   32 logical blocks, then the hit/miss ratio exceeds 99%. Of course, the
+   number of raw buffers should be more than 1 if possible, and in many
+   implementations (single threaded), the memory usage does not increase
+   during the page output step so almost all of memory can be used for
+   these raw buffers to prevent the likelihood of a cache miss.
+
+   Of course, this is dependent on reasonably efficient clist blocking
+   during writing which is dependent on the data and on the BufferSpace
+   value which determines the number of clist band data buffers available.
+   Empirical testing shows that the overall efficiency is best if the
+   BufferSpace value is 1,000,000 (as in the original Ghostscript source).
+   [Note: I expected to be able to use smaller buffer sizes for some cases,
+    but this resulted in a high level of thrashing...RJJ]
+
+LIMITATIONS.
+
+   The most serious limitation is caused by the way 'memfile_fwrite' decides
+   to free up and re-initialize a file. If memfile_fwrite is called after
+   a seek to any location except the start of the file, then an error is
+   issued since logic is not present to properly free up on a partial file.
+   This is not a problem as used by the 'clist' logic since rewind is used
+   to position to the start of a file when re-using it after an 'erasepage'.
+
+   Since the 'clist' logic always traverses the clist using fseek's to ever
+   increasing locations, no optimizations of backward seeks was implemented.
+   This would be relatively easy with back chain links or bi-directional
+   "X-OR" pointer information to link the logical block chain. The rewind
+   function is optimal and moves directly to the start of the file.
+
+********************************************************************************/
+
+/*
+   The need to compress should be conditional on the amount of available
+   memory, but we don't have a way to communicate this to these routines.
+   Instead, we simply start compressing when we've allocated more than
+   COMPRESSION_THRESHOLD amount of data.  The threshold should be at
+   least as large as the fixed overhead of the compressor plus the
+   decompressor, plus the expected compressed size of a block that size.
+ */
+private const long COMPRESSION_THRESHOLD = 300000;
+
+#define NEED_TO_COMPRESS(f)\
+  ((f)->ok_to_compress && (f)->total_space > COMPRESSION_THRESHOLD)
+
+   /* FOR NOW ALLOCATE 1 raw buffer for every 32 blocks (at least 8)    */
+#define GET_NUM_RAW_BUFFERS( f ) 					\
+	 max(f->log_length/MEMFILE_DATA_SIZE/32, 8)
+
+#define MALLOC(f, siz, cname)\
+  (void *)gs_alloc_bytes((f)->data_memory, siz, cname)
+#define FREE(f, obj, cname)\
+  (gs_free_object((f)->data_memory, obj, cname),\
+   (f)->total_space -= sizeof(*(obj)))
+
+/* Structure descriptor for GC */
+private_st_MEMFILE();
+
+	/* forward references */
+private void memfile_free_mem(P1(MEMFILE * f));
+private int memfile_init_empty(P1(MEMFILE * f));
+
+/************************************************/
+/*   #define DEBUG      /- force statistics -/  */
+/************************************************/
+
+#ifdef DEBUG
+long tot_compressed;
+long tot_raw;
+long tot_cache_miss;
+long tot_cache_hits;
+long tot_swap_out;
+
+/*
+   The following pointers are here only for helping with a dumb debugger
+   that can't inspect local variables!
+ */
+byte *decomp_wt_ptr0, *decomp_wt_limit0;
+const byte *decomp_rd_ptr0, *decomp_rd_limit0;
+byte *decomp_wt_ptr1, *decomp_wt_limit1;
+const byte *decomp_rd_ptr1, *decomp_rd_limit1;
+
+#endif
+
+/* ----------------------------- Memory Allocation --------------------- */
+void *	/* allocated memory's address, 0 if failure */
+allocateWithReserve(
+         MEMFILE  *f,			/* file to allocate mem to */
+         int      sizeofBlock,		/* size of block to allocate */
+         int      *return_code,         /* RET 0 ok, -ve GS-style error, or +1 if OK but low memory */
+	 const   char     *allocName,		/* name to allocate by */
+	 const   char     *errorMessage         /* error message to print */
+)
+{
+    int code = 0;	/* assume success */
+    void *block = MALLOC(f, sizeofBlock, allocName);
+
+    if (block == NULL) {
+	/* Try to recover block from reserve */
+	if (sizeofBlock == sizeof(LOG_MEMFILE_BLK)) {
+	    if (f->reserveLogBlockCount > 0) {
+		block = f->reserveLogBlockChain;
+		f->reserveLogBlockChain = f->reserveLogBlockChain->link;
+		--f->reserveLogBlockCount;
+	    }
+	} else if (sizeofBlock == sizeof(PHYS_MEMFILE_BLK) ||
+		   sizeofBlock == sizeof(RAW_BUFFER)
+		   ) {
+	    if (f->reservePhysBlockCount > 0) {
+		block = f->reservePhysBlockChain;
+		f->reservePhysBlockChain = f->reservePhysBlockChain->link;
+		--f->reservePhysBlockCount;
+	    }
+	}
+	if (block != NULL)
+	    code = 1;	/* successful, but allocated from reserve */
+    }
+    if (block != NULL)
+	f->total_space += sizeofBlock;
+    else
+	code = gs_note_error(gs_error_VMerror);
+    *return_code = code;
+    return block;
+}   
+
+/* ---------------- Open/close/unlink ---------------- */
+
+int
+memfile_fopen(char fname[gp_file_name_sizeof], const char *fmode,
+	      clist_file_ptr /*MEMFILE * */  * pf,
+	      gs_memory_t *mem, gs_memory_t *data_mem, bool ok_to_compress)
+{
+    MEMFILE *f = 0;
+    int code = 0;
+
+    /* We don't implement reopening an existing file. */
+    if (fname[0] != 0 || fmode[0] != 'w') {
+	code = gs_note_error(gs_error_invalidfileaccess);
+	goto finish;
+    }
+
+    /* There is no need to set fname in this implementation, */
+    /* but we do it anyway. */
+    fname[0] = (ok_to_compress ? 'a' : 'b');
+    fname[1] = 0;
+
+    f = gs_alloc_struct(mem, MEMFILE, &st_MEMFILE,
+			"memfile_open_scratch(MEMFILE)");
+    if (f == NULL) {
+	eprintf1("memfile_open_scratch(%s): gs_alloc_struct failed\n", fname);
+	code = gs_note_error(gs_error_VMerror);
+	goto finish;
+    }
+    f->memory = mem;
+    f->data_memory = data_mem;
+    /* init an empty file, BEFORE allocating de/compress state */
+    f->compress_state = 0;	/* make clean for GC, or alloc'n failure */
+    f->decompress_state = 0;
+    f->total_space = 0;
+    f->reservePhysBlockChain = NULL;
+    f->reservePhysBlockCount = 0;
+    f->reserveLogBlockChain = NULL;
+    f->reserveLogBlockCount = 0;
+    /* init an empty file           */
+    if ((code = memfile_init_empty(f)) < 0)
+	goto finish;
+    if ((code = memfile_set_memory_warning(f, 0)) < 0)
+	goto finish;
+    /*
+     * Disregard the ok_to_compress flag, since the size threshold gives us
+     * a much better criterion for deciding when compression is appropriate.
+     */
+#ifdef HAVE_LIBZ
+    f->ok_to_compress = /*ok_to_compress */ true;
+#else
+    f->ok_to_compress = false;
+#endif /* HAVE_LIBZ */
+    f->compress_state = 0;	/* make clean for GC */
+    f->decompress_state = 0;
+    if (f->ok_to_compress) {
+	const stream_state *compress_proto = clist_compressor_state(NULL);
+	const stream_state *decompress_proto = clist_decompressor_state(NULL);
+	const stream_template *compress_template = compress_proto->template;
+	const stream_template *decompress_template = decompress_proto->template;
+
+	f->compress_state =
+	    gs_alloc_struct(mem, stream_state, compress_template->stype,
+			    "memfile_open_scratch(compress_state)");
+	f->decompress_state =
+	    gs_alloc_struct(mem, stream_state, decompress_template->stype,
+			    "memfile_open_scratch(decompress_state)");
+	if (f->compress_state == 0 || f->decompress_state == 0) {
+	    eprintf1("memfile_open_scratch(%s): gs_alloc_struct failed\n", fname);
+	    code = gs_note_error(gs_error_VMerror);
+	    goto finish;
+	}
+	memcpy(f->compress_state, compress_proto,
+	       gs_struct_type_size(compress_template->stype));
+	f->compress_state->memory = mem;
+	memcpy(f->decompress_state, decompress_proto,
+	       gs_struct_type_size(decompress_template->stype));
+	f->decompress_state->memory = mem;
+	if (compress_template->set_defaults)
+	    (*compress_template->set_defaults) (f->compress_state);
+	if (decompress_template->set_defaults)
+	    (*decompress_template->set_defaults) (f->decompress_state);
+    }
+    f->total_space = 0;
+
+#ifdef DEBUG
+    /* If this is the start, init some statistics.       */
+    /* Hack: we know the 'a' file is opened first. */
+    if (*fname == 'a') {
+	tot_compressed = 0;
+	tot_raw = 0;
+	tot_cache_miss = 0;
+	tot_cache_hits = 0;
+	tot_swap_out = 0;
+    }
+#endif
+finish:
+    if (code < 0) {
+	/* return failure, clean up memory before leaving */
+	if (f != NULL)
+	    memfile_fclose((clist_file_ptr)f, fname, true);
+    } else {
+      /* return success */
+      *pf = f;
+    }
+    return code;
+}
+
+int
+memfile_fclose(clist_file_ptr cf, const char *fname, bool delete)
+{
+    MEMFILE *const f = (MEMFILE *)cf;
+
+    /* We don't implement closing without deletion. */
+    if (!delete)
+	return_error(gs_error_invalidfileaccess);
+    memfile_free_mem(f);
+
+    /* Free reserve blocks; don't do it in memfile_free_mem because */
+    /* that routine gets called to reinit file */
+    while (f->reserveLogBlockChain != NULL) {
+	LOG_MEMFILE_BLK *block = f->reserveLogBlockChain;
+
+	f->reserveLogBlockChain = block->link;
+	FREE(f, block, "memfile_set_block_size");
+    }
+    while (f->reservePhysBlockChain != NULL) {
+	PHYS_MEMFILE_BLK *block = f->reservePhysBlockChain;
+
+	f->reservePhysBlockChain = block->link;
+	FREE(f, block, "memfile_set_block_size");
+    }
+
+    /* deallocate de/compress state */
+    gs_free_object(f->memory, f->decompress_state,
+		   "memfile_close_and_unlink(decompress_state)");
+    gs_free_object(f->memory, f->compress_state,
+		   "memfile_close_and_unlink(compress_state)");
+
+    /* deallocate the memfile object proper */
+    gs_free_object(f->memory, f, "memfile_close_and_unlink(MEMFILE)");
+    return 0;
+}
+
+int
+memfile_unlink(const char *fname)
+{
+    /*
+     * Since we have no way to represent a memfile other than by the
+     * pointer, we don't (can't) implement unlinking.
+     */
+    return_error(gs_error_invalidfileaccess);
+}
+
+/* ---------------- Writing ---------------- */
+
+/* Pre-alloc enough reserve mem blox to guarantee a write of N bytes will succeed */
+int	/* returns 0 ok, gs_error_VMerror if insufficient */
+memfile_set_memory_warning(clist_file_ptr cf, int bytes_left)
+{
+    MEMFILE *const f = (MEMFILE *)cf;
+    int code = 0;
+    /*
+     * Determine req'd memory block count from bytes_left.
+     * Allocate enough phys & log blocks to hold bytes_left
+     * + 1 phys blk for compress_log_blk + 1 phys blk for decompress.
+     */
+    int logNeeded =
+	(bytes_left + MEMFILE_DATA_SIZE - 1) / MEMFILE_DATA_SIZE;
+    int physNeeded = logNeeded;
+
+    if (bytes_left > 0)
+	++physNeeded;
+    if (f->raw_head == NULL)
+	++physNeeded;	/* have yet to allocate read buffers */
+
+    /* Allocate or free memory depending on need */
+    while (logNeeded > f->reserveLogBlockCount) {
+	LOG_MEMFILE_BLK *block =
+	    MALLOC( f, sizeof(LOG_MEMFILE_BLK), "memfile_set_block_size" );
+
+	if (block == NULL) {
+	    code = gs_note_error(gs_error_VMerror);
+	    goto finish;
+	}
+	block->link = f->reserveLogBlockChain;
+	f->reserveLogBlockChain = block;
+	++f->reserveLogBlockCount;
+    }
+    while (logNeeded < f->reserveLogBlockCount) {
+	LOG_MEMFILE_BLK *block = f->reserveLogBlockChain;
+
+	f->reserveLogBlockChain = block->link;
+	FREE(f, block, "memfile_set_block_size");
+	--f->reserveLogBlockCount;
+    }
+    while (physNeeded > f->reservePhysBlockCount) {
+	PHYS_MEMFILE_BLK *block =
+	    MALLOC( f,
+		    max( sizeof(PHYS_MEMFILE_BLK), sizeof(RAW_BUFFER) ),
+		    "memfile_set_block_size");
+
+	if (block == NULL) {
+	    code = gs_note_error(gs_error_VMerror);
+	    goto finish;
+	}
+	block->link = f->reservePhysBlockChain;
+	f->reservePhysBlockChain = block;
+	++f->reservePhysBlockCount;
+    }
+    while (physNeeded < f->reservePhysBlockCount) {
+	PHYS_MEMFILE_BLK *block = f->reservePhysBlockChain;
+
+	f->reservePhysBlockChain = block->link;
+	FREE(f, block, "memfile_set_block_size");
+	--f->reservePhysBlockCount;
+    }
+    f->error_code = 0;	/* memfile_set_block_size is how user resets this */
+finish:
+    return code;
+}
+
+private int
+compress_log_blk(MEMFILE * f, LOG_MEMFILE_BLK * bp)
+{
+    int status;
+    int ecode = 0;		/* accumulate low-memory warnings */
+    int code;
+    long compressed_size;
+    byte *start_ptr;
+    PHYS_MEMFILE_BLK *newphys;
+
+    /* compress this block */
+    f->rd.ptr = (const byte *)(bp->phys_blk->data) - 1;
+    f->rd.limit = f->rd.ptr + MEMFILE_DATA_SIZE;
+
+    bp->phys_blk = f->phys_curr;
+    bp->phys_pdata = (char *)(f->wt.ptr) + 1;
+    if (f->compress_state->template->reinit != 0)
+	(*f->compress_state->template->reinit)(f->compress_state);
+    compressed_size = 0;
+
+    start_ptr = f->wt.ptr;
+    status = (*f->compress_state->template->process)(f->compress_state,
+						     &(f->rd), &(f->wt), true);
+    bp->phys_blk->data_limit = (char *)(f->wt.ptr);
+
+    if (status == 1) {		/* More output space needed (see strimpl.h) */
+	/* allocate another physical block, then compress remainder       */
+	compressed_size = f->wt.limit - start_ptr;
+	newphys =
+	    allocateWithReserve(f, sizeof(*newphys), &code, "memfile newphys",
+			"compress_log_blk : MALLOC for 'newphys' failed\n");
+	if (code < 0)
+	    return code;
+	ecode |= code;	/* accumulate any low-memory warnings */
+	newphys->link = NULL;
+	bp->phys_blk->link = newphys;
+	f->phys_curr = newphys;
+	f->wt.ptr = (byte *) (newphys->data) - 1;
+	f->wt.limit = f->wt.ptr + MEMFILE_DATA_SIZE;
+
+	start_ptr = f->wt.ptr;
+	status =
+	    (*f->compress_state->template->process)(f->compress_state,
+						    &(f->rd), &(f->wt), true);
+	if (status != 0) {
+	    /*
+	     * You'd think the above line is a bug, but in real life 1 src
+	     * block never ends up getting split across 3 dest blocks.
+	     */
+	    /* CHANGE memfile_set_memory_warning if this assumption changes. */
+	    eprintf("Compression required more than one full block!\n");
+	    return_error(gs_error_Fatal);
+	}
+	newphys->data_limit = (char *)(f->wt.ptr);
+    }
+    compressed_size += f->wt.ptr - start_ptr;
+    if (compressed_size > MEMFILE_DATA_SIZE) {
+	eprintf2("\nCompression didn't - raw=%d, compressed=%ld\n",
+		 MEMFILE_DATA_SIZE, compressed_size);
+    }
+#ifdef DEBUG
+    tot_compressed += compressed_size;
+#endif
+    return (status < 0 ? gs_note_error(gs_error_ioerror) : ecode);
+}				/* end "compress_log_blk()"                                     */
+
+/*      Internal (private) routine to handle end of logical block       */
+private int	/* ret 0 ok, -ve error, or +ve low-memory warning */
+memfile_next_blk(MEMFILE * f)
+{
+    LOG_MEMFILE_BLK *bp = f->log_curr_blk;
+    LOG_MEMFILE_BLK *newbp;
+    PHYS_MEMFILE_BLK *newphys, *oldphys;
+    int ecode = 0;		/* accumulate low-memory warnings */
+    int code;
+
+    if (f->phys_curr == NULL) {	/* means NOT compressing                */
+	/* allocate a new block                                           */
+	newphys =
+	    allocateWithReserve(f, sizeof(*newphys), &code, "memfile newphys",
+			"memfile_next_blk: MALLOC 1 for 'newphys' failed\n");
+	if (code < 0)
+	    return code;
+	ecode |= code;	/* accumulate low-mem warnings */
+	newphys->link = NULL;
+	newphys->data_limit = NULL;	/* raw                          */
+
+	newbp =
+	    allocateWithReserve(f, sizeof(*newbp), &code, "memfile newbp",
+			"memfile_next_blk: MALLOC 1 for 'newbp' failed\n");
+	if (code < 0) {
+	    FREE(f, newphys, "memfile newphys");
+	    return code;
+	}
+	ecode |= code;	/* accumulate low-mem warnings */
+	bp->link = newbp;
+	newbp->link = NULL;
+	newbp->raw_block = NULL;
+	f->log_curr_blk = newbp;
+
+#ifdef HAVE_LIBZ
+	/* check if need to start compressing                             */
+	if (NEED_TO_COMPRESS(f)) {
+	    if_debug0(':', "[:]Beginning compression\n");
+	    /* compress the entire file up to this point                   */
+	    if (!f->compressor_initialized) {
+		int code = 0;
+
+		if (f->compress_state->template->init != 0)
+		    code = (*f->compress_state->template->init) (f->compress_state);
+		if (code < 0)
+		    return_error(gs_error_VMerror);  /****** BOGUS ******/
+		if (f->decompress_state->template->init != 0)
+		    code = (*f->decompress_state->template->init)
+			(f->decompress_state);
+		if (code < 0)
+		    return_error(gs_error_VMerror);  /****** BOGUS ******/
+		f->compressor_initialized = true;
+	    }
+	    /* Write into the new physical block we just allocated,        */
+	    /* replace it after the loop (after some blocks are freed)     */
+	    f->phys_curr = newphys;
+	    f->wt.ptr = (byte *) (newphys->data) - 1;
+	    f->wt.limit = f->wt.ptr + MEMFILE_DATA_SIZE;
+	    bp = f->log_head;
+	    while (bp != newbp) {	/* don't compress last block    */
+		int code;
+
+		oldphys = bp->phys_blk;
+		if ((code = compress_log_blk(f, bp)) < 0)
+		    return code;
+		ecode |= code;
+		FREE(f, oldphys, "memfile_next_blk(oldphys)");
+		bp = bp->link;
+	    }			/* end while( ) compress loop                           */
+	    /* Allocate a physical block for this (last) logical block     */
+	    newphys =
+		allocateWithReserve(f, sizeof(*newphys), &code,
+			"memfile newphys",
+			"memfile_next_blk: MALLOC 2 for 'newphys' failed\n");
+	    if (code < 0)
+		return code;
+	    ecode |= code;	/* accumulate low-mem warnings */
+	    newphys->link = NULL;
+	    newphys->data_limit = NULL;		/* raw                  */
+
+	}			/* end convert file to compressed                                 */
+#endif /* HAVE_LIBZ */
+	newbp->phys_blk = newphys;
+	f->pdata = newphys->data;
+	f->pdata_end = newphys->data + MEMFILE_DATA_SIZE;
+    }    /* end if NOT compressing                                 */
+#ifdef HAVE_LIBZ
+    /* File IS being compressed                                       */ 
+    else {
+	int code;
+
+	oldphys = bp->phys_blk;	/* save raw phys block ID               */
+	/* compresses bp on phys list  */
+	if ((code = compress_log_blk(f, bp)) < 0)
+	    return code;
+	ecode |= code;
+	newbp =
+	    allocateWithReserve(f, sizeof(*newbp), &code, "memfile newbp",
+			"memfile_next_blk: MALLOC 2 for 'newbp' failed\n");
+	if (code < 0)
+	    return code;
+	ecode |= code;
+	bp->link = newbp;
+	newbp->link = NULL;
+	newbp->raw_block = NULL;
+	/* Re-use the raw phys block for this new logical blk             */
+	newbp->phys_blk = oldphys;
+	f->pdata = oldphys->data;
+	f->pdata_end = f->pdata + MEMFILE_DATA_SIZE;
+	f->log_curr_blk = newbp;
+    }				/* end else (when we are compressing)                           */
+#endif /* HAVE_LIBZ */
+
+    return (ecode);
+}
+
+int	/* returns # of chars actually written */
+memfile_fwrite_chars(const void *data, uint len, clist_file_ptr cf)
+{
+    const char *str = (const char *)data;
+    MEMFILE *f = (MEMFILE *) cf;
+    uint count = len;
+    int ecode;
+
+    /* check if we are writing to the start of the file.  If so, then    */
+    /* free the file memory and re-initialize it (frees memory)          */
+    if (f->log_curr_pos == 0) {
+	int code;
+
+	memfile_free_mem(f);
+	if ((code = memfile_init_empty(f)) < 0) {
+	    f->error_code = code;
+	    return 0;
+	}
+    }
+    if (f->log_curr_blk->link != 0) {
+	eprintf(" Write file truncate -- need to free physical blocks.\n");
+    }
+    while (count) {
+	uint move_count = f->pdata_end - f->pdata;
+
+	if (move_count == 0) {
+	    if ((ecode = memfile_next_blk(f)) != 0) {
+		f->error_code = ecode;
+		if (ecode < 0)
+		    return 0;
+	    }
+	} else {
+	    if (move_count > count)
+		move_count = count;
+	    memmove(f->pdata, str, move_count);
+	    f->pdata += move_count;
+	    str += move_count;
+	    count -= move_count;
+	}
+    }
+    f->log_curr_pos += len;
+    f->log_length = f->log_curr_pos;	/* truncate length to here      */
+#ifdef DEBUG
+    tot_raw += len;
+#endif
+    return (len);
+}
+
+/*                                                                      */
+/*      Internal routine to set the f->pdata and f->pdata_end pointers  */
+/*      for the current logical block f->log_curr_blk                   */
+/*                                                                      */
+/*      If data only exists in compressed form, allocate a raw buffer   */
+/*      and decompress it.                                              */
+/*                                                                      */
+
+private int
+memfile_get_pdata(MEMFILE * f)
+{
+    int i, num_raw_buffers, status;
+    LOG_MEMFILE_BLK *bp = f->log_curr_blk;
+
+    if (bp->phys_blk->data_limit == NULL) {
+	/* Not compressed, return this data pointer                       */
+	f->pdata = (bp->phys_blk)->data;
+	i = f->log_curr_pos % MEMFILE_DATA_SIZE;	/* pos within block     */
+	i = f->log_curr_pos - i;	/* base of block        */
+	if (i + MEMFILE_DATA_SIZE > f->log_length)
+	    f->pdata_end = f->pdata + f->log_length - i;
+	else
+	    f->pdata_end = f->pdata + MEMFILE_DATA_SIZE;
+    }
+#ifdef HAVE_LIBZ
+    else {
+	/* data was compressed                                            */
+	if (f->raw_head == NULL) {
+	    /* need to allocate the raw buffer pool                        */
+	    num_raw_buffers = GET_NUM_RAW_BUFFERS(f);
+	    if (f->reservePhysBlockCount) {
+            /* HACK: allocate reserve block that's been reserved for
+	     * decompression.  This buffer's block was pre-allocated to make
+	     * sure we won't come up short here. Take from chain instead of
+	     * allocateWithReserve() since this buf would just be wasted if
+	     * allowed to remain preallocated. */
+		f->raw_head = (RAW_BUFFER *)f->reservePhysBlockChain;
+		f->reservePhysBlockChain = f->reservePhysBlockChain->link;
+		--f->reservePhysBlockCount;
+	    } else {
+		int code;
+
+		f->raw_head =
+		    allocateWithReserve(f, sizeof(*f->raw_head), &code,
+					"memfile raw buffer",
+			"memfile_get_pdata: MALLOC for 'raw_head' failed\n");
+		if (code < 0)
+		    return code;
+	    }
+	    f->raw_head->back = NULL;
+	    f->raw_tail = f->raw_head;
+	    f->raw_tail->log_blk = NULL;
+	    for (i = 0; i < num_raw_buffers; i++) {
+		f->raw_tail->fwd = (RAW_BUFFER *) MALLOC(f, sizeof(RAW_BUFFER),
+						      "memfile raw buffer");
+		/* if MALLOC fails, then just stop allocating            */
+		if (!f->raw_tail->fwd)
+		    break;
+		f->total_space += sizeof(RAW_BUFFER);
+		f->raw_tail->fwd->back = f->raw_tail;
+		f->raw_tail = f->raw_tail->fwd;
+		f->raw_tail->log_blk = NULL;
+	    }
+	    f->raw_tail->fwd = NULL;
+	    num_raw_buffers = i + 1;	/* if MALLOC failed, then OK    */
+	    if_debug1(':', "[:]Number of raw buffers allocated=%d\n",
+		      num_raw_buffers);
+	}			/* end allocating the raw buffer pool (first time only)           */
+	if (bp->raw_block == NULL) {
+#ifdef DEBUG
+	    tot_cache_miss++;	/* count every decompress       */
+#endif
+	    /* find a raw buffer and decompress                            */
+	    if (f->raw_tail->log_blk != NULL) {
+		/* This block was in use, grab it                           */
+#ifdef DEBUG
+		tot_swap_out++;
+#endif
+		f->raw_tail->log_blk->raw_block = NULL;		/* data no longer here */
+		f->raw_tail->log_blk = NULL;
+	    }
+	    /* Use the last raw block in the chain (the oldest)            */
+	    f->raw_tail->back->fwd = NULL;	/* disconnect from tail */
+	    f->raw_tail->fwd = f->raw_head;	/* new head             */
+	    f->raw_head->back = f->raw_tail;
+	    f->raw_tail = f->raw_tail->back;
+	    f->raw_head = f->raw_head->back;
+	    f->raw_head->back = NULL;
+	    f->raw_head->log_blk = bp;
+
+	    /* Decompress the data into this raw block                     */
+	    /* Initialize the decompressor                              */
+	    if (f->decompress_state->template->reinit != 0)
+		(*f->decompress_state->template->reinit) (f->decompress_state);
+	    /* Set pointers and call the decompress routine             */
+	    f->wt.ptr = (byte *) (f->raw_head->data) - 1;
+	    f->wt.limit = f->wt.ptr + MEMFILE_DATA_SIZE;
+	    f->rd.ptr = (const byte *)(bp->phys_pdata) - 1;
+	    f->rd.limit = (const byte *)bp->phys_blk->data_limit;
+#ifdef DEBUG
+	    decomp_wt_ptr0 = f->wt.ptr;
+	    decomp_wt_limit0 = f->wt.limit;
+	    decomp_rd_ptr0 = f->rd.ptr;
+	    decomp_rd_limit0 = f->rd.limit;
+#endif
+	    status = (*f->decompress_state->template->process)
+		(f->decompress_state, &(f->rd), &(f->wt), true);
+	    if (status == 0) {	/* More input data needed */
+		/* switch to next block and continue decompress             */
+		int back_up = 0;	/* adjust pointer backwards     */
+
+		if (f->rd.ptr != f->rd.limit) {
+		    /* transfer remainder bytes from the previous block      */
+		    back_up = f->rd.limit - f->rd.ptr;
+		    for (i = 0; i < back_up; i++)
+			*(bp->phys_blk->link->data - back_up + i) = *++f->rd.ptr;
+		}
+		f->rd.ptr = (const byte *)bp->phys_blk->link->data - back_up - 1;
+		f->rd.limit = (const byte *)bp->phys_blk->link->data_limit;
+#ifdef DEBUG
+		decomp_wt_ptr1 = f->wt.ptr;
+		decomp_wt_limit1 = f->wt.limit;
+		decomp_rd_ptr1 = f->rd.ptr;
+		decomp_rd_limit1 = f->rd.limit;
+#endif
+		status = (*f->decompress_state->template->process)
+		    (f->decompress_state, &(f->rd), &(f->wt), true);
+		if (status == 0) {
+		    eprintf("Decompression required more than one full block!\n");
+		    return_error(gs_error_Fatal);
+		}
+	    }
+	    bp->raw_block = f->raw_head;	/* point to raw block           */
+	}
+	/* end if( raw_block == NULL ) meaning need to decompress data    */ 
+	else {
+	    /* data exists in the raw data cache, if not raw_head, move it */
+	    if (bp->raw_block != f->raw_head) {
+		/*          move to raw_head                                */
+		/*          prev.fwd = this.fwd                             */
+		bp->raw_block->back->fwd = bp->raw_block->fwd;
+		if (bp->raw_block->fwd != NULL)
+		    /*               next.back = this.back                   */
+		    bp->raw_block->fwd->back = bp->raw_block->back;
+		else
+		    f->raw_tail = bp->raw_block->back;	/* tail = prev        */
+		f->raw_head->back = bp->raw_block;	/* head.back = this     */
+		bp->raw_block->fwd = f->raw_head;	/* this.fwd = orig head */
+		f->raw_head = bp->raw_block;	/* head = this          */
+		f->raw_head->back = NULL;	/* this.back = NULL     */
+#ifdef DEBUG
+		tot_cache_hits++;	/* counting here prevents repeats since */
+		/* won't count if already at head       */
+#endif
+	    }
+	}
+	f->pdata = bp->raw_block->data;
+	f->pdata_end = f->pdata + MEMFILE_DATA_SIZE;
+	/* NOTE: last block is never compressed, so a compressed block    */
+	/*        is always full size.                                    */
+    }				/* end else (when data was compressed)                             */
+#endif /* HAVE_LIBZ */
+
+    return (0);
+}
+
+/* ---------------- Reading ---------------- */
+
+int
+memfile_fread_chars(void *data, uint len, clist_file_ptr cf)
+{
+    char *str = (char *)data;
+    MEMFILE *f = (MEMFILE *) cf;
+    uint count = len, num_read, move_count;
+
+    num_read = f->log_length - f->log_curr_pos;
+    if (count > num_read)
+	count = num_read;
+    num_read = count;
+
+    while (count) {
+	f->log_curr_pos++;	/* move into next byte */
+	if (f->pdata == f->pdata_end) {
+	    f->log_curr_blk = (f->log_curr_blk)->link;
+	    memfile_get_pdata(f);
+	}
+	move_count = f->pdata_end - f->pdata;
+	if (move_count > count)
+	    move_count = count;
+	f->log_curr_pos += move_count - 1;	/* new position         */
+	memmove(str, f->pdata, move_count);
+	str += move_count;
+	f->pdata += move_count;
+	count -= move_count;
+    }
+
+    return (num_read);
+}
+
+/* ---------------- Position/status ---------------- */
+
+int
+memfile_ferror_code(clist_file_ptr cf)
+{
+    return (((MEMFILE *) cf)->error_code);	/* errors stored here */
+}
+
+long
+memfile_ftell(clist_file_ptr cf)
+{
+    return (((MEMFILE *) cf)->log_curr_pos);
+}
+
+void
+memfile_rewind(clist_file_ptr cf, bool discard_data, const char *ignore_fname)
+{
+    MEMFILE *f = (MEMFILE *) cf;
+
+    if (discard_data) {
+	memfile_free_mem(f);
+	/* We have to call memfile_init_empty to preserve invariants. */
+	memfile_init_empty(f);
+    } else {
+	f->log_curr_blk = f->log_head;
+	f->log_curr_pos = 0;
+	memfile_get_pdata(f);
+    }
+}
+
+int
+memfile_fseek(clist_file_ptr cf, long offset, int mode, const char *ignore_fname)
+{
+    MEMFILE *f = (MEMFILE *) cf;
+    long i, block_num, new_pos;
+
+    switch (mode) {
+	case SEEK_SET:		/* offset from the beginning of the file */
+	    new_pos = offset;
+	    break;
+
+	case SEEK_CUR:		/* offset from the current position in the file */
+	    new_pos = offset + f->log_curr_pos;
+	    break;
+
+	case SEEK_END:		/* offset back from the end of the file */
+	    new_pos = f->log_length - offset;
+	    break;
+
+	default:
+	    return (-1);
+    }
+    if (new_pos < 0 || new_pos > f->log_length)
+	return -1;
+    if ((f->pdata == f->pdata_end) && (f->log_curr_blk->link != NULL)) {
+	/* log_curr_blk is actually one block behind log_curr_pos         */
+	f->log_curr_blk = f->log_curr_blk->link;
+    }
+    block_num = new_pos / MEMFILE_DATA_SIZE;
+    i = f->log_curr_pos / MEMFILE_DATA_SIZE;
+    if (block_num < i) {	/* if moving backwards, start at beginning */
+	f->log_curr_blk = f->log_head;
+	i = 0;
+    }
+    for (; i < block_num; i++) {
+	f->log_curr_blk = f->log_curr_blk->link;
+    }
+    f->log_curr_pos = new_pos;
+    memfile_get_pdata(f);	/* pointers to start of block           */
+    f->pdata += new_pos - (block_num * MEMFILE_DATA_SIZE);
+
+    return 0;			/* return "normal" status                       */
+}
+
+/* ---------------- Internal routines ---------------- */
+
+private void
+memfile_free_mem(MEMFILE * f)
+{
+    LOG_MEMFILE_BLK *bp, *tmpbp;
+
+#ifdef DEBUG
+    /* output some diagnostics about the effectiveness                   */
+    if (tot_raw > 100) {
+	if_debug2(':', "[:]tot_raw=%ld, tot_compressed=%ld\n",
+		  tot_raw, tot_compressed);
+    }
+    if (tot_cache_hits != 0) {
+	if_debug3(':', "[:]Cache hits=%ld, cache misses=%ld, swapouts=%ld\n",
+		 tot_cache_hits,
+		 tot_cache_miss - (f->log_length / MEMFILE_DATA_SIZE),
+		 tot_swap_out);
+    }
+    tot_raw = 0;
+    tot_compressed = 0;
+    tot_cache_hits = 0;
+    tot_cache_miss = 0;
+    tot_swap_out = 0;
+#endif
+
+    /* Free up memory that was allocated for the memfile              */
+    bp = f->log_head;
+
+/******************************************************************
+ * The following was the original algorithm here.  This algorithm has a bug:
+ * the second loop references the physical blocks again after they have been
+ * freed.
+ ******************************************************************/
+
+#if 0				/**************** *************** */
+
+    if (bp != NULL) {
+	/* Free the physical blocks that make up the compressed data      */
+	PHYS_MEMFILE_BLK *pphys = (f->log_head)->phys_blk;
+
+	if (pphys->data_limit != NULL) {
+	    /* the data was compressed, free the chain of blocks             */
+	    while (pphys != NULL) {
+		PHYS_MEMFILE_BLK *tmpphys = pphys->link;
+
+		FREE(f, pphys, "memfile_free_mem(pphys)");
+		pphys = tmpphys;
+	    }
+	}
+    }
+    /* free the logical blocks                                        */
+    while (bp != NULL) {
+	/* if this logical block was not compressed, free the phys_blk  */
+	if (bp->phys_blk->data_limit == NULL) {
+	    FREE(f, bp->phys_blk, "memfile_free_mem(phys_blk)");
+	}
+	tmpbp = bp->link;
+	FREE(f, bp, "memfile_free_mem(log_blk)");
+	bp = tmpbp;
+    }
+
+#else /**************** *************** */
+# if 1				/**************** *************** */
+
+/****************************************************************
+ * This algorithm is correct (we think).
+ ****************************************************************/
+
+    if (bp != NULL) {
+	/* Null out phys_blk pointers to compressed data. */
+	PHYS_MEMFILE_BLK *pphys = bp->phys_blk;
+
+	{
+	    for (tmpbp = bp; tmpbp != NULL; tmpbp = tmpbp->link)
+		if (tmpbp->phys_blk->data_limit != NULL)
+		    tmpbp->phys_blk = 0;
+	}
+	/* Free the physical blocks that make up the compressed data      */
+	if (pphys->data_limit != NULL) {
+	    /* the data was compressed, free the chain of blocks             */
+	    while (pphys != NULL) {
+		PHYS_MEMFILE_BLK *tmpphys = pphys->link;
+
+		FREE(f, pphys, "memfile_free_mem(pphys)");
+		pphys = tmpphys;
+	    }
+	}
+    }
+    /* Now free the logical blocks, and any uncompressed physical blocks. */
+    while (bp != NULL) {
+	if (bp->phys_blk != NULL) {
+	    FREE(f, bp->phys_blk, "memfile_free_mem(phys_blk)");
+	}
+	tmpbp = bp->link;
+	FREE(f, bp, "memfile_free_mem(log_blk)");
+	bp = tmpbp;
+    }
+
+/***********************************************************************
+ * This algorithm appears to be both simpler and free of the bug that
+ * occasionally causes the older one to reference freed blocks; but in
+ * fact it can miss blocks, because the very last compressed logical block
+ * can have spill into a second physical block, which is not referenced by
+ * any logical block.
+ ***********************************************************************/
+
+# else				/**************** *************** */
+
+    {
+	PHYS_MEMFILE_BLK *prev_phys = 0;
+
+	while (bp != NULL) {
+	    PHYS_MEMFILE_BLK *phys = bp->phys_blk;
+
+	    if (phys != prev_phys) {
+		FREE(f, phys, "memfile_free_mem(phys_blk)");
+		prev_phys = phys;
+	    }
+	    tmpbp = bp->link;
+	    FREE(f, bp, "memfile_free_mem(log_blk)");
+	    bp = tmpbp;
+	}
+    }
+
+# endif				/**************** *************** */
+#endif /**************** *************** */
+
+    f->log_head = NULL;
+
+#ifdef HAVE_LIBZ
+    /* Free any internal compressor state. */
+    if (f->compressor_initialized) {
+	if (f->decompress_state->template->release != 0)
+	    (*f->decompress_state->template->release) (f->decompress_state);
+	if (f->compress_state->template->release != 0)
+	    (*f->compress_state->template->release) (f->compress_state);
+	f->compressor_initialized = false;
+    }
+#endif /* HAVE_LIBZ */
+
+    /* free the raw buffers                                           */
+    while (f->raw_head != NULL) {
+	RAW_BUFFER *tmpraw = f->raw_head->fwd;
+
+	FREE(f, f->raw_head, "memfile_free_mem(raw)");
+	f->raw_head = tmpraw;
+    }
+}
+
+private int
+memfile_init_empty(MEMFILE * f)
+{
+    PHYS_MEMFILE_BLK *pphys;
+    LOG_MEMFILE_BLK *plog;
+
+   /* Zero out key fields so that allocation failure will be unwindable */
+    f->phys_curr = NULL; 	/* flag as file not compressed    	*/
+    f->log_head = NULL;
+    f->log_curr_blk = NULL;
+    f->log_curr_pos = 0;
+    f->log_length = 0;
+    f->raw_head = NULL;
+    f->compressor_initialized = false;
+    f->total_space = 0;
+
+    /* File empty - get a physical mem block (includes the buffer area)  */
+    pphys = MALLOC(f, sizeof(*pphys), "memfile pphys");
+    if (!pphys) {
+	eprintf("memfile_init_empty: MALLOC for 'pphys' failed\n");
+	return_error(gs_error_VMerror);
+    }
+    f->total_space += sizeof(*pphys);
+    pphys->data_limit = NULL;	/* raw data for now     */
+
+   /* Get logical mem block to go with physical one */
+    plog = (LOG_MEMFILE_BLK *)MALLOC( f, sizeof(*plog), "memfile_init_empty" );
+    if (plog == NULL) {
+	FREE(f, pphys, "memfile_init_empty");
+	eprintf("memfile_init_empty: MALLOC for log_curr_blk failed\n");
+	return_error(gs_error_VMerror);
+    }
+    f->total_space += sizeof(*plog);
+    f->log_head = f->log_curr_blk = plog;
+    f->log_curr_blk->link = NULL;
+    f->log_curr_blk->phys_blk = pphys;
+    f->log_curr_blk->phys_pdata = NULL;
+    f->log_curr_blk->raw_block = NULL;
+
+    f->pdata = pphys->data;
+    f->pdata_end = f->pdata + MEMFILE_DATA_SIZE;
+
+    f->error_code = 0;
+
+    return 0;
+}
diff --git a/pstoraster/gxclmem.h b/pstoraster/gxclmem.h
new file mode 100644
index 000000000..88b125991
--- /dev/null
+++ b/pstoraster/gxclmem.h
@@ -0,0 +1,155 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions and declarations for clist implementation in memory. */
+
+#ifndef gxclmem_INCLUDED
+#  define gxclmem_INCLUDED
+
+#include "gxclio.h"		/* defines interface */
+#include "strimpl.h"		/* stream structures      */
+
+/*
+ * The best values of MEMFILE_DATA_SIZE are slightly less than a power of 2,
+ * to allow typical malloc implementations to allocate in units of a power
+ * of 2 rather than having to go slightly over.
+ */
+#define MEMFILE_DATA_SIZE	(16384 - 160)
+
+   /*   ============================================================    */
+   /*                                                                   */
+   /*   Memfile structure definitions.                                  */
+   /*                                                                   */
+   /*   The PHYS structures are the elements actually allocated in      */
+   /*   RAM, containing the compressed data (or optionally raw data)    */
+   /*                                                                   */
+   /*   There can be several LOG (logical) elements per physical        */
+   /*   element, depending on the compression. The MEMFILE pdata        */
+   /*   item always points into a raw block of data.                    */
+   /*                                                                   */
+   /*   ============================================================    */
+
+typedef struct RAW_BUFFER {
+    struct RAW_BUFFER *fwd, *back;
+    struct LOG_MEMFILE_BLK *log_blk;
+    char data[MEMFILE_DATA_SIZE];
+} RAW_BUFFER;
+
+typedef struct PHYS_MEMFILE_BLK {
+    struct PHYS_MEMFILE_BLK *link;
+    char *data_limit;		/* end of data when compressed  */
+    /* NULL if not compressed       */
+    char data_spare[4];		/* used during de-compress      */
+    char data[MEMFILE_DATA_SIZE];
+} PHYS_MEMFILE_BLK;
+
+typedef struct LOG_MEMFILE_BLK {
+    struct LOG_MEMFILE_BLK *link;
+    PHYS_MEMFILE_BLK *phys_blk;
+    char *phys_pdata;
+    RAW_BUFFER *raw_block;	/* or NULL */
+} LOG_MEMFILE_BLK;
+
+typedef struct MEMFILE {
+    gs_memory_t *memory;	/* storage allocator */
+    gs_memory_t *data_memory;	/* storage allocator for data */
+    bool ok_to_compress;	/* if true, OK to compress this file */
+	/*
+	 * Reserve memory blocks: these are used to guarantee that a
+	 * given-sized write (or sequence of writes) will always succeed.
+	 * More specifically, the guarantee is that N bytes can successfully
+	 * be written after a low-memory warning is first returned by
+	 * fwrite.  The reserve of N bytes for a given file is (re)allocated
+	 * by a successful call to memfile_set_memory_warning(N).  Fwrite
+	 * allocates memory only from the reserve when its normal allocation
+	 * attempts fail; in such cases, it allocates blocks from the
+	 * reserve pool as needed and completes normally, but returns a
+	 * low-memory warning status. Once a low-memory warning has been
+	 * returned, fwrite will continue to attempt to allocate memory from
+	 * the usual allocator on subsequent fwrites, but does *not* try to
+	 * "top up" the reserve if becomes available -- only an explicit
+	 * memfile_set_memory_warning does so.
+	 */
+    PHYS_MEMFILE_BLK *reservePhysBlockChain;  /* chain of reserve phys blks */
+    int reservePhysBlockCount; 	/* count of entries on reservePhysBlockChain */
+    LOG_MEMFILE_BLK *reserveLogBlockChain;	/* chain of reserve log blks */
+    int reserveLogBlockCount; 	/* count of entries on reserveLogBlockChain */
+    /* logical file properties */
+    LOG_MEMFILE_BLK *log_head;
+    LOG_MEMFILE_BLK *log_curr_blk;
+    long log_length;		/* updated during write             */
+    long log_curr_pos;		/* updated during seek, close, read */
+    char *pdata;		/* raw data */
+    char *pdata_end;
+    /* physical file properties */
+    long total_space;		/* so we know when to start compress */
+    PHYS_MEMFILE_BLK *phys_curr;	/* NULL if not compressing      */
+    RAW_BUFFER *raw_head, *raw_tail;
+    int error_code;		/* used by CLIST_ferror         */
+    stream_cursor_read rd;	/* use .ptr, .limit */
+    stream_cursor_write wt;	/* use .ptr, .limit */
+    bool compressor_initialized;
+    stream_state *compress_state;
+    stream_state *decompress_state;
+} MEMFILE;
+
+/*
+ * Only the MEMFILE and stream_state structures are GC-compatible, so we
+ * allocate all the other structures on the C heap.
+ */
+
+#define private_st_MEMFILE()	/* in gxclmem.c */\
+  gs_private_st_ptrs2(st_MEMFILE, MEMFILE, "MEMFILE",\
+    MEMFILE_enum_ptrs, MEMFILE_reloc_ptrs, compress_state, decompress_state)
+
+/* Make the memfile_... operations aliases for the clist_... operations. */
+
+#define memfile_fopen(fname, fmode, pcf, mem, data_mem, compress)\
+  clist_fopen(fname, fmode, pcf, mem, data_mem, compress)
+#define memfile_fclose(cf, fname, delete)\
+  clist_fclose(cf, fname, delete)
+#define memfile_unlink(fname)\
+  clist_unlink(fname)
+
+#define memfile_space_available(req)\
+  clist_space_available(req)
+#define memfile_fwrite_chars(data, len, cf)\
+  clist_fwrite_chars(data, len, cf)
+
+#define memfile_fread_chars(data, len, cf)\
+  clist_fread_chars(data, len, cf)
+
+#define memfile_set_memory_warning(cf, nbytes) clist_set_memory_warning(cf, nbytes)
+#define memfile_ferror_code(cf) clist_ferror_code(cf)
+#define memfile_ftell(cf) clist_ftell(cf)
+#define memfile_rewind(cf, discard, fname) clist_rewind(cf, discard, fname)
+#define memfile_fseek(cf, offset, mode, fname) clist_fseek(cf, offset, mode, fname)
+
+/* Declare the procedures for returning the prototype filter states */
+/* for compressing and decompressing the band list. */
+const stream_state *clist_compressor_state(P1(void *));
+const stream_state *clist_decompressor_state(P1(void *));
+
+#endif /* gxclmem_INCLUDED */
diff --git a/pstoraster/gxclpage.c b/pstoraster/gxclpage.c
new file mode 100644
index 000000000..bcf242c58
--- /dev/null
+++ b/pstoraster/gxclpage.c
@@ -0,0 +1,127 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Page object management */
+#include "gdevprn.h"
+#include "gxcldev.h"
+#include "gxclpage.h"
+
+/* Save a page. */
+int
+gdev_prn_save_page(gx_device_printer * pdev, gx_saved_page * page,
+		   int num_copies)
+{
+    /* Make sure we are banding. */
+    if (!pdev->buffer_space)
+	return_error(gs_error_rangecheck);
+    if (strlen(pdev->dname) >= sizeof(page->dname))
+	return_error(gs_error_limitcheck);
+    {
+	gx_device_clist_writer * const pcldev =
+	    (gx_device_clist_writer *)pdev;
+	int code;
+
+	if ((code = clist_end_page(pcldev)) < 0 ||
+	    (code = clist_fclose(pcldev->page_cfile, pcldev->page_cfname, false)) < 0 ||
+	    (code = clist_fclose(pcldev->page_bfile, pcldev->page_bfname, false)) < 0
+	    )
+	    return code;
+	/* Save the device information. */
+	memcpy(&page->device, pdev, sizeof(gx_device));
+	strcpy(page->dname, pdev->dname);
+	/* Save the page information. */
+	page->info = pcldev->page_info;
+	page->info.cfile = 0;
+	page->info.bfile = 0;
+    }
+    /* Save other information. */
+    page->num_copies = num_copies;
+    return (*gs_clist_device_procs.open_device) ((gx_device *) pdev);
+}
+
+/* Render an array of saved pages. */
+int
+gdev_prn_render_pages(gx_device_printer * pdev,
+		      const gx_placed_page * ppages, int count)
+{
+    gx_device_clist_reader * const pcldev =
+	(gx_device_clist_reader *)pdev;
+
+    /* Check to make sure the pages are compatible with the device. */
+    {
+	int i;
+	gx_band_params params;
+
+	for (i = 0; i < count; ++i) {
+	    const gx_saved_page *page = ppages[i].page;
+
+	    /* We would like to fully check the color representation, */
+	    /* but we don't have enough information to do that. */
+	    if (strcmp(page->dname, pdev->dname) != 0 ||
+		memcmp(&page->device.color_info, &pdev->color_info,
+		       sizeof(pdev->color_info)) != 0
+		)
+		return_error(gs_error_rangecheck);
+	    /* Currently we don't allow translation in Y. */
+	    if (ppages[i].offset.y != 0)
+		return_error(gs_error_rangecheck);
+	    /* Make sure the band parameters are compatible. */
+	    if (page->info.band_params.BandBufferSpace !=
+		pdev->buffer_space ||
+		page->info.band_params.BandWidth !=
+		pdev->width
+		)
+		return_error(gs_error_rangecheck);
+	    /* Currently we require all band heights to be the same. */
+	    if (i == 0)
+		params = page->info.band_params;
+	    else if (page->info.band_params.BandHeight !=
+		     params.BandHeight
+		)
+		return_error(gs_error_rangecheck);
+	}
+    }
+    /* Set up the page list in the device. */
+    /****** SHOULD FACTOR THIS OUT OF clist_render_init ******/
+    pcldev->ymin = pcldev->ymax = 0;
+    pcldev->pages = ppages;
+    pcldev->num_pages = count;
+    /* Render the pages. */
+    {
+	int code = (*dev_proc(pdev, output_page))
+	    ((gx_device *) pdev, ppages[0].page->num_copies, true);
+
+	/* Delete the temporary files. */
+	int i;
+
+	for (i = 0; i < count; ++i) {
+	    const gx_saved_page *page = ppages[i].page;
+
+	    clist_unlink(page->info.cfname);
+	    clist_unlink(page->info.bfname);
+	}
+	return code;
+    }
+}
diff --git a/pstoraster/gxclpage.h b/pstoraster/gxclpage.h
new file mode 100644
index 000000000..f54aaf734
--- /dev/null
+++ b/pstoraster/gxclpage.h
@@ -0,0 +1,63 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gdevprn.h, gxclist.h */
+
+#ifndef gxclpage_INCLUDED
+#  define gxclpage_INCLUDED
+
+#include "gxclio.h"
+
+/* ---------------- Procedures ---------------- */
+
+/*
+ * Package up the current page in a banding device as a page object.
+ * The client must provide storage for the page object.
+ * The client may retain the object in memory, or may write it on a file
+ * for later retrieval; in the latter case, the client should free the
+ * in-memory structure.
+ */
+int gdev_prn_save_page(P3(gx_device_printer * pdev, gx_saved_page * page,
+			  int num_copies));
+
+/*
+ * Render an array of saved pages by setting up a modified get_bits
+ * procedure and then calling the device's normal output_page procedure.
+ * Any current page in the device's buffers is lost.
+ * The (0,0) point of each saved page is translated to the corresponding
+ * specified offset on the combined page.  (Currently the Y offset must be 0.)
+ * The client is responsible for freeing the saved and placed pages.
+ *
+ * Note that the device instance for rendering need not be, and normally is
+ * not, the same as the device from which the pages were saved, but it must
+ * be an instance of the same device.  The client is responsible for
+ * ensuring that the rendering device's buffer size (BufferSpace value) is
+ * the same as the BandBufferSpace value of all the saved pages, and that
+ * the device width is the same as the BandWidth value of the saved pages.
+ */
+int gdev_prn_render_pages(P3(gx_device_printer * pdev,
+			     const gx_placed_page * ppages, int count));
+
+#endif /* gxclpage_INCLUDED */
diff --git a/pstoraster/gxclpath.c b/pstoraster/gxclpath.c
new file mode 100644
index 000000000..fed4478a7
--- /dev/null
+++ b/pstoraster/gxclpath.c
@@ -0,0 +1,1198 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Higher-level path operations for band lists */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxclpath.h"
+#include "gxcolor2.h"
+#include "gxpaint.h"		/* for gx_fill/stroke_params */
+#include "gzpath.h"
+#include "gzcpath.h"
+
+/* Statistics */
+#ifdef DEBUG
+ulong stats_cmd_diffs[5];
+#endif
+
+/* Forward declarations */
+private int cmd_put_path(P8(gx_device_clist_writer * cldev,
+			    gx_clist_state * pcls, const gx_path * ppath, fixed ymin, fixed ymax, byte op,
+			    bool implicit_close, segment_notes keep_notes));
+
+/* ------ Utilities ------ */
+
+/* Write out the color for filling, stroking, or masking. */
+/* We should be able to share this with clist_tile_rectangle, */
+/* but I don't see how to do it without adding a level of procedure. */
+int
+cmd_put_drawing_color(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		      const gx_drawing_color * pdcolor)
+{
+    const gx_strip_bitmap *tile;
+    gx_color_index color0, color1;
+    ulong offset_temp;
+
+    if (gx_dc_is_pure(pdcolor)) {
+	gx_color_index color1 = gx_dc_pure_color(pdcolor);
+
+	if (color1 != pcls->colors[1]) {
+	    int code = cmd_set_color1(cldev, pcls, color1);
+
+	    if (code < 0)
+		return code;
+	}
+	return cmd_dc_type_pure;
+    }
+    /* Any non-pure color will require the phase. */
+    {
+	int px = pdcolor->phase.x, py = pdcolor->phase.y;
+
+	if (px != pcls->tile_phase.x || py != pcls->tile_phase.y) {
+	    int code = cmd_set_tile_phase(cldev, pcls, px, py);
+
+	    if (code < 0)
+		return code;
+	}
+    }
+    if (gx_dc_is_binary_halftone(pdcolor)) {
+	tile = gx_dc_binary_tile(pdcolor);
+	color0 = gx_dc_binary_color0(pdcolor);
+	color1 = gx_dc_binary_color1(pdcolor);
+	/* Set up tile and colors as for clist_tile_rectangle. */
+	if (!cls_has_tile_id(cldev, pcls, tile->id, offset_temp)) {
+	    int depth =
+	    (color1 == gx_no_color_index &&
+	     color0 == gx_no_color_index ?
+	     cldev->color_info.depth : 1);
+
+	    if (tile->id == gx_no_bitmap_id ||
+		clist_change_tile(cldev, pcls, tile, depth) < 0
+		)
+		return_error(-1);	/* can't cache tile */
+	}
+	if (color1 != pcls->tile_colors[1] ||
+	    color0 != pcls->tile_colors[0]
+	    ) {
+	    int code = cmd_set_tile_colors(cldev, pcls, color0, color1);
+
+	    if (code < 0)
+		return code;
+	}
+	return cmd_dc_type_ht;
+    } else if (gx_dc_is_colored_halftone(pdcolor)) {
+	const gx_device_halftone *pdht = pdcolor->colors.colored.c_ht;
+	int num_comp = pdht->num_comp;
+	byte buf[4 + 4 * cmd_max_intsize(sizeof(pdcolor->colors.colored.c_level[0]))];
+	byte *bp = buf;
+	int i;
+	uint short_bases = 0;
+	ulong bases = 0;
+	byte *dp;
+	int code;
+
+	/****** HOW TO TELL IF COLOR IS ALREADY SET? ******/
+	if (pdht->id != cldev->device_halftone_id) {
+	    int code = cmd_put_halftone(cldev, pdht, pdht->type);
+
+	    if (code < 0)
+		return code;
+	    cldev->device_halftone_id = pdht->id;
+	}
+	for (i = 0; i < num_comp; ++i) {
+	    uint base = pdcolor->colors.colored.c_base[i];
+
+	    if (base > 31)
+		return_error(gs_error_rangecheck);
+	    bases |= base << ((3 - i) * 5);
+	    short_bases |= base << (3 - i);
+	}
+	if (bases & 0xf7bde) {	/* Some base value requires more than 1 bit. */
+	    *bp++ = 0x10 + (byte) (bases >> 16);
+	    *bp++ = (byte) (bases >> 8);
+	    *bp++ = (byte) bases;
+	} else {		/* The bases all fit in 1 bit each. */
+	    *bp++ = 0x00 + (byte) short_bases;
+	}
+	for (i = 0; i < num_comp; ++i)
+	    bp = cmd_put_w((uint) pdcolor->colors.colored.c_level[i], bp);
+	/****** IGNORE alpha ******/
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_color, bp - buf + 1);
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, buf, bp - buf);
+	return cmd_dc_type_color;
+    } else
+	return_error(-1);
+}
+
+/* Clear (a) specific 'known' flag(s) for all bands. */
+/* We must do this whenever the value of a 'known' parameter changes. */
+void
+cmd_clear_known(gx_device_clist_writer * cldev, uint known)
+{
+    ushort unknown = ~known;
+    gx_clist_state *pcls = cldev->states;
+    int i;
+
+    for (i = cldev->nbands - 1; i >= 0; i --, pcls ++)
+	pcls->known &= unknown;
+}
+
+/* Check whether we need to change the clipping path in the device. */
+bool
+cmd_check_clip_path(gx_device_clist_writer * cldev, const gx_clip_path * pcpath)
+{
+    if (pcpath == NULL)
+	return false;
+    /* The clip path might have moved in memory, so even if the */
+    /* ids match, update the pointer. */
+    cldev->clip_path = pcpath;
+    if (pcpath->id == cldev->clip_path_id)
+	return false;
+    cldev->clip_path_id = pcpath->id;
+    return true;
+}
+
+/* Construct the parameters for writing out a matrix. */
+/* We need a buffer of at least 1 + 6 * sizeof(float) bytes. */
+byte *
+cmd_for_matrix(byte * cbuf, const gs_matrix * pmat)
+{
+    byte *cp = cbuf + 1;
+    byte b = 0;
+    float coeffs[6];
+    int i;
+
+    coeffs[0] = pmat->xx;
+    coeffs[1] = pmat->xy;
+    coeffs[2] = pmat->yx;
+    coeffs[3] = pmat->yy;
+    coeffs[4] = pmat->tx;
+    coeffs[5] = pmat->ty;
+    for (i = 0; i < 4; i += 2) {
+	float u = coeffs[i], v = coeffs[i ^ 3];
+
+	b <<= 2;
+	if (u != 0 || v != 0) {
+	    memcpy(cp, &u, sizeof(float));
+	    cp += sizeof(float);
+
+	    if (v == u)
+		b += 1;
+	    else if (v == -u)
+		b += 2;
+	    else {
+		b += 3;
+		memcpy(cp, &v, sizeof(float));
+		cp += sizeof(float);
+	    }
+	}
+    }
+    for (; i < 6; ++i) {
+	float v = coeffs[i];
+
+	b <<= 1;
+	if (v != 0) {
+	    ++b;
+	    memcpy(cp, &v, sizeof(float));
+	    cp += sizeof(float);
+	}
+    }
+    cbuf[0] = b << 2;
+    return cp;
+}
+
+/* Write out values of any unknown parameters. */
+int
+cmd_write_unknown(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		  uint must_know)
+{
+    ushort unknown = ~pcls->known & must_know;
+    byte *dp;
+    int code;
+
+    if (unknown & flatness_known) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_flatness,
+			      1 + sizeof(float));
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, &cldev->imager_state.flatness, sizeof(float));
+	pcls->known |= flatness_known;
+    }
+    if (unknown & fill_adjust_known) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_fill_adjust,
+			      1 + sizeof(fixed) * 2);
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, &cldev->imager_state.fill_adjust.x, sizeof(fixed));
+	memcpy(dp + 1 + sizeof(fixed), &cldev->imager_state.fill_adjust.y, sizeof(fixed));
+	pcls->known |= fill_adjust_known;
+    }
+    if (unknown & ctm_known) {
+	byte cbuf[1 + 6 * sizeof(float)];
+	uint len =
+	    cmd_for_matrix(cbuf,
+			   (const gs_matrix *)&cldev->imager_state.ctm) - cbuf;
+
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_ctm, len + 1);
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, cbuf, len);
+	pcls->known |= ctm_known;
+    }
+    if (unknown & line_width_known) {
+	float width =
+	    gx_current_line_width(&cldev->imager_state.line_params);
+
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_line_width,
+			      1 + sizeof(width));
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, &width, sizeof(width));
+	pcls->known |= line_width_known;
+    }
+    if (unknown & miter_limit_known) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_miter_limit,
+			      1 + sizeof(float));
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, &cldev->imager_state.line_params.miter_limit,
+	       sizeof(float));
+	pcls->known |= miter_limit_known;
+    }
+    if (unknown & misc0_known) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_misc2, 2);
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc2_cap_join +
+	    (cldev->imager_state.line_params.cap << 3) +
+	    cldev->imager_state.line_params.join;
+	pcls->known |= misc0_known;
+    }
+    if (unknown & misc1_known) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_misc2, 2);
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc2_ac_op_sa +
+	    (cldev->imager_state.accurate_curves ? 4 : 0) +
+	    (cldev->imager_state.overprint ? 2 : 0) +
+	    (cldev->imager_state.stroke_adjust ? 1 : 0);
+	pcls->known |= misc1_known;
+    }
+    if (unknown & dash_known) {
+	int n = cldev->imager_state.line_params.dash.pattern_size;
+
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_dash,
+			      2 + (n + 2) * sizeof(float));
+	if (code < 0)
+	    return code;
+	dp[1] = n + (cldev->imager_state.line_params.dash.adapt ? 0x80 : 0) +
+	    (cldev->imager_state.line_params.dot_length_absolute ? 0x40 : 0);
+	memcpy(dp + 2, &cldev->imager_state.line_params.dot_length,
+	       sizeof(float));
+	memcpy(dp + 2 + sizeof(float),
+	       &cldev->imager_state.line_params.dash.offset,
+	       sizeof(float));
+	if (n != 0)
+	    memcpy(dp + 2 + sizeof(float) * 2,
+		   cldev->imager_state.line_params.dash.pattern,
+		   n * sizeof(float));
+	pcls->known |= dash_known;
+    }
+    if (unknown & alpha_known) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_misc2,
+			      2 + sizeof(cldev->imager_state.alpha));
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc2_alpha;
+	memcpy(dp + 2, &cldev->imager_state.alpha,
+	       sizeof(cldev->imager_state.alpha));
+	pcls->known |= alpha_known;
+    }
+    if (unknown & clip_path_known) {
+	/*
+	 * We can write out the clipping path either as rectangles
+	 * or as a real (filled) path.
+	 */
+	const gx_clip_path *pcpath = cldev->clip_path;
+	int band_height = cldev->page_band_height;
+	int ymin = (pcls - cldev->states) * band_height;
+	int ymax = min(ymin + band_height, cldev->height);
+	gs_fixed_rect box;
+	bool punt_to_outer_box = false;
+	int code;
+
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_begin_clip, 1);
+	if (code < 0)
+	    return code;
+	if (pcpath->path_valid) {
+	    if (gx_path_is_rectangle(&pcpath->path, &box) &&
+		fixed_is_int(box.p.x | box.p.y | box.q.x | box.q.y)
+		) {
+		/* Write the path as a rectangle. */
+		code = cmd_write_rect_cmd(cldev, pcls, cmd_op_fill_rect,
+					  fixed2int_var(box.p.x),
+					  fixed2int_var(box.p.y),
+					  fixed2int(box.q.x - box.p.x),
+					  fixed2int(box.q.y - box.p.y));
+	    } else if ( !(cldev->disable_mask & clist_disable_complex_clip) ) {
+		/* Write the path. */
+		code = cmd_put_path(cldev, pcls, &pcpath->path,
+				    int2fixed(ymin - 1),
+				    int2fixed(ymax + 1),
+				    (pcpath->rule == gx_rule_even_odd ?
+				     cmd_opv_eofill : cmd_opv_fill),
+				    true, sn_not_first);
+	    } else {
+		  /* Complex paths disabled: write outer box as clip */
+		  punt_to_outer_box = true;
+	    }
+	} else {		/* Write out the rectangles. */
+	    const gx_clip_list *list = gx_cpath_list(pcpath);
+	    const gx_clip_rect *prect = list->head;
+
+	    if (prect == 0)
+		prect = &list->single;
+	    else if (cldev->disable_mask & clist_disable_complex_clip)
+		punt_to_outer_box = true;
+	    if (!punt_to_outer_box) {
+		for (; prect != 0 && code >= 0; prect = prect->next)
+		    if (prect->xmax > prect->xmin &&
+			prect->ymin < ymax && prect->ymax > ymin
+			) {
+			code =
+			    cmd_write_rect_cmd(cldev, pcls, cmd_op_fill_rect,
+					       prect->xmin, prect->ymin,
+					       prect->xmax - prect->xmin,
+				       prect->ymax - prect->ymin);
+		    }
+	    }
+	}
+	if (punt_to_outer_box) {
+	    /* Clip is complex, but disabled. Write out the outer box */
+	    gs_fixed_rect box;
+
+	    gx_cpath_outer_box(pcpath, &box);
+	    box.p.x = fixed_floor(box.p.x);
+	    box.p.y = fixed_floor(box.p.y);
+	    code = cmd_write_rect_cmd(cldev, pcls, cmd_op_fill_rect,
+				      fixed2int_var(box.p.x),
+				      fixed2int_var(box.p.y),
+				      fixed2int_ceiling(box.q.x - box.p.x),
+				      fixed2int_ceiling(box.q.y - box.p.y));
+	}
+	{
+	    int end_code =
+		set_cmd_put_op(dp, cldev, pcls, cmd_opv_end_clip, 2);
+
+	    if (code >= 0)
+		code = end_code;	/* take the first failure seen */
+	    if (end_code < 0 && cldev->error_is_retryable) {
+		/*
+		 * end_clip has to work despite lo-mem to maintain consistency.
+		 * This isn't error recovery, but just to prevent dangling
+		 * cmd_opv_begin_clip's.
+		 */
+	        ++cldev->ignore_lo_mem_warnings;
+	        end_code =
+		    set_cmd_put_op(dp, cldev, pcls, cmd_opv_end_clip, 2);
+	        --cldev->ignore_lo_mem_warnings;
+	    }
+	    if (end_code >= 0)
+		dp[1] = (gx_cpath_is_outside(pcpath) ? 1 : 0);
+	}
+	if (code < 0)
+	    return code;
+	pcls->clip_enabled = 1;
+	pcls->known |= clip_path_known;
+    }
+    if (unknown & color_space_known) {
+	byte *dp;
+
+	if (cldev->color_space & 8) {	/* indexed */
+	    uint num_values = (cldev->indexed_params.hival + 1) *
+	    gs_color_space_num_components(
+		 (const gs_color_space *)&cldev->indexed_params.base_space);
+	    bool use_proc = cldev->color_space & 4;
+	    const void *map_data;
+	    uint map_size;
+
+	    if (use_proc) {
+		map_data = cldev->indexed_params.lookup.map->values;
+		map_size = num_values *
+		    sizeof(cldev->indexed_params.lookup.map->values[0]);
+	    } else {
+		map_data = cldev->indexed_params.lookup.table.data;
+		map_size = num_values;
+	    }
+	    code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_color_space,
+		     2 + cmd_sizew(cldev->indexed_params.hival) + map_size);
+	    if (code < 0)
+		return code;
+	    memcpy(cmd_put_w(cldev->indexed_params.hival, dp + 2),
+		   map_data, map_size);
+	} else {
+	    code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_color_space, 2);
+	    if (code < 0)
+		return code;
+	}
+	dp[1] = cldev->color_space;
+	pcls->known |= color_space_known;
+    }
+    return 0;
+}
+
+/* ------ Driver procedures ------ */
+
+int
+clist_fill_path(gx_device * dev, const gs_imager_state * pis, gx_path * ppath,
+	    const gx_fill_params * params, const gx_drawing_color * pdcolor,
+		const gx_clip_path * pcpath)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    uint unknown = 0;
+    int y, height, y0, y1;
+    gs_logical_operation_t lop = pis->log_op;
+    byte op = (byte)
+	(params->rule == gx_rule_even_odd ?
+	 cmd_opv_eofill : cmd_opv_fill);
+    gs_fixed_point adjust;
+
+    if ( (cdev->disable_mask & clist_disable_fill_path) ||
+	 gs_debug_c(',')
+	 ) {
+	/* Disable path-based banding. */
+	return gx_default_fill_path(dev, pis, ppath, params, pdcolor,
+				    pcpath);
+    }
+    adjust = params->adjust;
+    {
+	gs_fixed_rect bbox;
+
+	gx_path_bbox(ppath, &bbox);
+	y = fixed2int(bbox.p.y) - 1;
+	height = fixed2int_ceiling(bbox.q.y) - y + 1;
+	fit_fill_y(dev, y, height);
+	fit_fill_h(dev, y, height);
+	if (height <= 0)
+	    return 0;
+    }
+    y0 = y;
+    y1 = y + height;
+    if (cdev->imager_state.flatness != params->flatness) {
+	unknown |= flatness_known;
+	cdev->imager_state.flatness = params->flatness;
+    }
+    if (cdev->imager_state.fill_adjust.x != adjust.x ||
+	cdev->imager_state.fill_adjust.y != adjust.y
+	) {
+	unknown |= fill_adjust_known;
+	cdev->imager_state.fill_adjust = adjust;
+    }
+    if (cdev->imager_state.alpha != pis->alpha) {
+	unknown |= alpha_known;
+	state_update(alpha);
+    }
+    if (cmd_check_clip_path(cdev, pcpath))
+	unknown |= clip_path_known;
+    if (unknown)
+	cmd_clear_known(cdev, unknown);
+    FOR_RECTS {
+	int code =
+	    cmd_do_write_unknown(cdev, pcls,
+				 flatness_known | fill_adjust_known |
+				 alpha_known | clip_path_known);
+
+	if (code < 0)
+	    return code;
+	if ((code = cmd_do_enable_clip(cdev, pcls, pcpath != NULL)) < 0 ||
+	    (code = cmd_update_lop(cdev, pcls, lop)) < 0
+	    )
+	    return code;
+	code = cmd_put_drawing_color(cdev, pcls, pdcolor);
+	if (code < 0) {		/* Something went wrong, use the default implementation. */
+	    return gx_default_fill_path(dev, pis, ppath, params, pdcolor,
+					pcpath);
+	}
+	code = cmd_put_path(cdev, pcls, ppath,
+			    int2fixed(max(y - 1, y0)),
+			    int2fixed(min(y + height + 1, y1)),
+			    op + code,	/* cmd_dc_type */
+			    true, sn_none /* fill doesn't need the notes */ );
+	if (code < 0)
+	    return code;
+    } END_RECTS;
+    return 0;
+}
+
+int
+clist_stroke_path(gx_device * dev, const gs_imager_state * pis, gx_path * ppath,
+		  const gx_stroke_params * params,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int pattern_size = pis->line_params.dash.pattern_size;
+    uint unknown = 0;
+    gs_fixed_rect bbox;
+    gs_fixed_point expansion;
+    int adjust_y;
+    int y, height, y0, y1;
+    gs_logical_operation_t lop = pis->log_op;
+
+    if ((cdev->disable_mask & clist_disable_stroke_path) ||
+	gs_debug_c(',')
+	) {
+	/* Disable path-based banding. */
+	return gx_default_stroke_path(dev, pis, ppath, params, pdcolor,
+				      pcpath);
+    }
+    gx_path_bbox(ppath, &bbox);
+    /* We must use the supplied imager state, not our saved one, */
+    /* for computing the stroke expansion. */
+    if (gx_stroke_path_expansion(pis, ppath, &expansion) < 0) {
+	/* Expansion is too large: use the entire page. */
+	adjust_y = 0;
+	y = 0;
+	height = dev->height;
+    } else {
+	adjust_y = fixed2int_ceiling(expansion.y) + 1;
+	y = fixed2int(bbox.p.y) - adjust_y;
+	height = fixed2int_ceiling(bbox.q.y) - y + adjust_y;
+	fit_fill_y(dev, y, height);
+	fit_fill_h(dev, y, height);
+	if (height <= 0)
+	    return 0;
+    }
+    y0 = y;
+    y1 = y + height;
+    /* Check the dash pattern, since we bail out if */
+    /* the pattern is too large. */
+    cdev->imager_state.line_params.dash.pattern = cdev->dash_pattern;
+    if (cdev->imager_state.line_params.dash.pattern_size != pattern_size ||
+	(pattern_size != 0 &&
+	 memcmp(cdev->imager_state.line_params.dash.pattern,
+		pis->line_params.dash.pattern,
+		pattern_size * sizeof(float))) ||
+	cdev->imager_state.line_params.dash.offset !=
+	  pis->line_params.dash.offset ||
+	cdev->imager_state.line_params.dash.adapt !=
+	  pis->line_params.dash.adapt ||
+	cdev->imager_state.line_params.dot_length !=
+	  pis->line_params.dot_length ||
+	cdev->imager_state.line_params.dot_length_absolute !=
+	  pis->line_params.dot_length_absolute
+    ) {				/* Bail out if the dash pattern is too long. */
+	if (pattern_size > cmd_max_dash)
+	    return gx_default_stroke_path(dev, pis, ppath, params,
+					  pdcolor, pcpath);
+	unknown |= dash_known;
+	gx_set_dash(&cdev->imager_state.line_params.dash,
+		    pis->line_params.dash.pattern,
+		    pis->line_params.dash.pattern_size,
+		    pis->line_params.dash.offset, NULL);
+	gx_set_dash_adapt(&cdev->imager_state.line_params.dash,
+			  pis->line_params.dash.adapt);
+	gx_set_dot_length(&cdev->imager_state.line_params,
+			  pis->line_params.dot_length,
+			  pis->line_params.dot_length_absolute);
+    }
+    if (state_neq(flatness)) {
+	unknown |= flatness_known;
+	state_update(flatness);
+    }
+    if (state_neq(fill_adjust.x) || state_neq(fill_adjust.y)) {
+	unknown |= fill_adjust_known;
+	state_update(fill_adjust);
+    }
+    if (state_neq(ctm.xx) || state_neq(ctm.xy) ||
+	state_neq(ctm.yx) || state_neq(ctm.yy) ||
+    /* We don't actually need tx or ty, but we don't want to bother */
+    /* tracking them separately from the other coefficients. */
+	state_neq(ctm.tx) || state_neq(ctm.ty)
+	) {
+	unknown |= ctm_known;
+	state_update(ctm);
+    }
+    if (state_neq(line_params.half_width)) {
+	unknown |= line_width_known;
+	state_update(line_params.half_width);
+    }
+    if (state_neq(line_params.miter_limit)) {
+	unknown |= miter_limit_known;
+	gx_set_miter_limit(&cdev->imager_state.line_params,
+			   pis->line_params.miter_limit);
+    }
+    if (state_neq(line_params.cap) || state_neq(line_params.join)) {
+	unknown |= misc0_known;
+	state_update(line_params.cap);
+	state_update(line_params.join);
+    }
+    if (state_neq(accurate_curves) || state_neq(overprint) ||
+	state_neq(stroke_adjust)
+	) {
+	unknown |= misc1_known;
+	state_update(accurate_curves);
+	state_update(overprint);
+	state_update(stroke_adjust);
+    }
+    if (cdev->imager_state.alpha != pis->alpha) {
+	unknown |= alpha_known;
+	state_update(alpha);
+    }
+    if (cmd_check_clip_path(cdev, pcpath))
+	unknown |= clip_path_known;
+    if (unknown)
+	cmd_clear_known(cdev, unknown);
+    FOR_RECTS {
+	int code;
+
+	if ((code = cmd_do_write_unknown(cdev, pcls, stroke_all_known)) < 0 ||
+	    (code = cmd_do_enable_clip(cdev, pcls, pcpath != NULL)) < 0 ||
+	    (code = cmd_update_lop(cdev, pcls, lop)) < 0
+	    )
+	    return code;
+	code = cmd_put_drawing_color(cdev, pcls, pdcolor);
+	if (code < 0) {
+	    /* Something went wrong, use the default implementation. */
+	    return gx_default_stroke_path(dev, pis, ppath, params, pdcolor,
+					  pcpath);
+	}
+	{
+	    fixed ymin, ymax;
+
+	    /*
+	     * If a dash pattern is active, we can't skip segments
+	     * outside the clipping region, because that would throw off
+	     * the pattern.
+	     */
+	    if (pattern_size == 0)
+		ymin = int2fixed(max(y - adjust_y, y0)),
+		    ymax = int2fixed(min(y + height + adjust_y, y1));
+	    else
+		ymin = min_fixed,
+		    ymax = max_fixed;
+	    code = cmd_put_path(cdev, pcls, ppath, ymin, ymax,
+				cmd_opv_stroke + code,	/* cmd_dc_type */
+				false, (segment_notes) ~ 0);
+	    if (code < 0)
+		return code;
+	}
+    } END_RECTS;
+    return 0;
+}
+
+/* ------ Path utilities ------ */
+
+/* Define the state bookkeeping for writing path segments. */
+typedef struct cmd_segment_writer_s {
+    /* Set at initialization */
+    gx_device_clist_writer *cldev;
+    gx_clist_state *pcls;
+    /* Updated dynamically */
+    segment_notes notes;
+    byte *dp;
+    int len;
+    gs_fixed_point delta_first;
+    byte cmd[6 * (1 + sizeof(fixed))];
+}
+cmd_segment_writer;
+
+/* Put out a path segment command. */
+private int
+cmd_put_segment(cmd_segment_writer * psw, byte op,
+		const fixed * operands, segment_notes notes)
+{
+    const fixed *optr = operands;
+
+    /* Fetch num_operands before possible command merging. */
+    int i = clist_segment_op_num_operands[op & 0xf];
+    byte *q = psw->cmd - 1;
+
+#ifdef DEBUG
+    if (gs_debug_c('L')) {
+	int j;
+
+	dlprintf2("[L]  %s:%d:", cmd_sub_op_names[op >> 4][op & 0xf],
+		  (int)notes);
+	for (j = 0; j < i; ++j)
+	    dprintf1(" %g", fixed2float(operands[j]));
+	dputs("\n");
+    }
+#endif
+
+    /* Merge or shorten commands if possible. */
+    if (op == cmd_opv_rlineto) {
+	if (operands[0] == 0)
+	    op = cmd_opv_vlineto, optr = ++operands, i = 1;
+	else if (operands[1] == 0)
+	    op = cmd_opv_hlineto, i = 1;
+	else
+	    switch (*psw->dp) {
+		case cmd_opv_rmoveto:
+		    psw->delta_first.x = operands[0];
+		    psw->delta_first.y = operands[1];
+		    op = cmd_opv_rmlineto;
+		  merge:cmd_uncount_op(*psw->dp, psw->len);
+		    cmd_shorten_op(psw->cldev, psw->pcls, psw->len);	/* delete it */
+		    q += psw->len - 1;
+		    break;
+		case cmd_opv_rmlineto:
+		    if (notes != psw->notes)
+			break;
+		    op = cmd_opv_rm2lineto;
+		    goto merge;
+		case cmd_opv_rm2lineto:
+		    if (notes != psw->notes)
+			break;
+		    if (operands[0] == -psw->delta_first.x &&
+			operands[1] == -psw->delta_first.y
+			) {
+			cmd_uncount_op(cmd_opv_rm2lineto, psw->len);
+			*psw->dp = cmd_count_op(cmd_opv_rm3lineto, psw->len);
+			return 0;
+		    }
+		    break;
+		default:
+		    ;
+	    }
+    }
+    for (; --i >= 0; ++optr) {
+	fixed d = *optr, d2;
+
+	if (is_bits(d, _fixed_shift + 11) &&
+	    !(d & (float2fixed(0.25) - 1))
+	    ) {
+	    cmd_count_add1(stats_cmd_diffs[3]);
+	    d = ((d >> (_fixed_shift - 2)) & 0x1fff) + 0xc000;
+	    q += 2;
+	} else if (is_bits(d, 19) && i > 0 && is_bits(d2 = optr[1], 19)) {
+	    cmd_count_add1(stats_cmd_diffs[0]);
+	    q[1] = (byte) ((d >> 13) & 0x3f);
+	    q[2] = (byte) (d >> 5);
+	    q[3] = (byte) ((d << 3) + ((d2 >> 16) & 7));
+	    q[4] = (byte) (d2 >> 8);
+	    q[5] = (byte) d2;
+	    q += 5;
+	    --i, ++optr;
+	    continue;
+	} else if (is_bits(d, 22)) {
+	    cmd_count_add1(stats_cmd_diffs[1]);
+	    q[1] = (byte) (((d >> 16) & 0x3f) + 0x40);
+	    q += 3;
+	} else if (is_bits(d, 30)) {
+	    cmd_count_add1(stats_cmd_diffs[2]);
+	    q[1] = (byte) (((d >> 24) & 0x3f) + 0x80);
+	    q[2] = (byte) (d >> 16);
+	    q += 4;
+	} else {
+	    int b;
+
+	    cmd_count_add1(stats_cmd_diffs[4]);
+	    *++q = 0xe0;
+	    for (b = sizeof(fixed) - 1; b > 1; --b)
+		*++q = (byte) (d >> (b * 8));
+	    q += 2;
+	}
+	q[-1] = (byte) (d >> 8);
+	*q = (byte) d;
+    }
+    if (notes != psw->notes) {
+	byte *dp;
+	int code =
+	    set_cmd_put_op(dp, psw->cldev, psw->pcls, cmd_opv_set_misc2, 2);
+
+	if (code < 0)
+	    return code;
+	dp[1] = cmd_set_misc2_notes + notes;
+	psw->notes = notes;
+    } {
+	int len = q + 2 - psw->cmd;
+	byte *dp;
+	int code = set_cmd_put_op(dp, psw->cldev, psw->pcls, op, len);
+
+	if (code < 0)
+	    return code;
+	memcpy(dp + 1, psw->cmd, len - 1);
+	psw->len = len;
+	psw->dp = dp;
+    }
+    return 0;
+}
+/* Put out a line segment command. */
+#define cmd_put_rmoveto(psw, operands)\
+  cmd_put_segment(psw, cmd_opv_rmoveto, operands, sn_none)
+#define cmd_put_rlineto(psw, operands, notes)\
+  cmd_put_segment(psw, cmd_opv_rlineto, operands, notes)
+
+/*
+ * Write a path.  We go to a lot of trouble to omit segments that are
+ * entirely outside the band.
+ */
+private int
+cmd_put_path(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+	     const gx_path * ppath, fixed ymin, fixed ymax, byte path_op,
+	     bool implicit_close, segment_notes keep_notes)
+{
+    gs_path_enum cenum;
+    cmd_segment_writer writer;
+
+    /*
+     * initial_op is logically const, so we declare it as such, 
+     * since some systems really dislike non-const statics.
+     * This entails an otherwise pointless cast in set_first_point().
+     */
+    static const byte initial_op = cmd_opv_end_run;
+
+    /*
+     * We define the 'side' of a point according to its Y value as
+     * follows:
+     */
+#define which_side(y) ((y) < ymin ? -1 : (y) >= ymax ? 1 : 0)
+
+    /*
+     * While writing a subpath, we need to keep track of any segments
+     * skipped at the beginning of the subpath and any segments skipped
+     * just before the current segment.  We do this with two sets of
+     * state variables, one that tracks the actual path segments and one
+     * that tracks the emitted segments.
+     *
+     * The following track the actual segments:
+     */
+
+    /*
+     * The point and side of the last moveto (skipped if
+     * start_side != 0):
+     */
+    gs_fixed_point start;
+    int start_side;
+
+    /*
+     * Whether any lines or curves were skipped immediately
+     * following the moveto:
+     */
+    bool start_skip;
+
+    /* The side of the last point: */
+    int side;
+
+    /* The last point with side != 0: */
+    gs_fixed_point out;
+
+    /* If the last out-going segment was a lineto, */
+    /* its notes: */
+    segment_notes out_notes;
+
+    /*
+     * The following track the emitted segments:
+     */
+
+    /* The last point emitted: */
+    fixed px = int2fixed(pcls->rect.x);
+    fixed py = int2fixed(pcls->rect.y);
+
+    /* The point of the last emitted moveto: */
+    gs_fixed_point first;
+
+    /* Information about the last emitted operation: */
+    int open = 0;		/* -1 if last was moveto, 1 if line/curveto, */
+
+    /* 0 if newpath/closepath */
+
+
+    if_debug4('p', "[p]initial (%g,%g), clip [%g..%g)\n",
+	      fixed2float(px), fixed2float(py),
+	      fixed2float(ymin), fixed2float(ymax));
+    gx_path_enum_init(&cenum, ppath);
+    writer.cldev = cldev;
+    writer.pcls = pcls;
+    writer.notes = sn_none;
+#define set_first_point() (writer.dp = (byte *)&initial_op)
+#define first_point() (writer.dp == &initial_op)
+    set_first_point();
+    for (;;) {
+	fixed vs[6];
+
+#define A vs[0]
+#define B vs[1]
+#define C vs[2]
+#define D vs[3]
+#define E vs[4]
+#define F vs[5]
+	int pe_op = gx_path_enum_next(&cenum, (gs_fixed_point *) vs);
+	byte *dp;
+	int code;
+
+	switch (pe_op) {
+	    case 0:
+		/* If the path is open and needs an implicit close, */
+		/* do the close and then come here again. */
+		if (open > 0 && implicit_close)
+		    goto close;
+		/* All done. */
+		pcls->rect.x = fixed2int_var(px);
+		pcls->rect.y = fixed2int_var(py);
+		if_debug2('p', "[p]final (%d,%d)\n",
+			  pcls->rect.x, pcls->rect.y);
+		return set_cmd_put_op(dp, cldev, pcls, path_op, 1);
+	    case gs_pe_moveto:
+		/* If the path is open and needs an implicit close, */
+		/* do a closepath and then redo the moveto. */
+		if (open > 0 && implicit_close) {
+		    gx_path_enum_backup(&cenum);
+		    goto close;
+		}
+		open = -1;
+		start.x = A, start.y = B;
+		start_skip = false;
+		if ((start_side = side = which_side(B)) != 0) {
+		    out.x = A, out.y = B;
+		    if_debug3('p', "[p]skip moveto (%g,%g) side %d\n",
+			      fixed2float(out.x), fixed2float(out.y),
+			      side);
+		    continue;
+		}
+		C = A - px, D = B - py;
+		first.x = px = A, first.y = py = B;
+		code = cmd_put_rmoveto(&writer, &C);
+		if_debug2('p', "[p]moveto (%g,%g)\n",
+			  fixed2float(px), fixed2float(py));
+		break;
+	    case gs_pe_lineto:
+		{
+		    int next_side = which_side(B);
+		    segment_notes notes =
+		    gx_path_enum_notes(&cenum) & keep_notes;
+
+		    if (next_side == side && side != 0) {	/* Skip a line completely outside the clip region. */
+			if (open < 0)
+			    start_skip = true;
+			out.x = A, out.y = B;
+			out_notes = notes;
+			if_debug3('p', "[p]skip lineto (%g,%g) side %d\n",
+				  fixed2float(out.x), fixed2float(out.y),
+				  side);
+			continue;
+		    }
+		    /* If we skipped any segments, put out a moveto/lineto. */
+		    if (side && (px != out.x || py != out.y || first_point())) {
+			C = out.x - px, D = out.y - py;
+			if (open < 0) {
+			    first = out;
+			    code = cmd_put_rmoveto(&writer, &C);
+			} else
+			    code = cmd_put_rlineto(&writer, &C, out_notes);
+			if (code < 0)
+			    return code;
+			px = out.x, py = out.y;
+			if_debug3('p', "[p]catchup %s (%g,%g) for line\n",
+				  (open < 0 ? "moveto" : "lineto"),
+				  fixed2float(px), fixed2float(py));
+		    }
+		    if ((side = next_side) != 0) {	/* Note a vertex going outside the clip region. */
+			out.x = A, out.y = B;
+		    }
+		    C = A - px, D = B - py;
+		    px = A, py = B;
+		    open = 1;
+		    code = cmd_put_rlineto(&writer, &C, notes);
+		}
+		if_debug3('p', "[p]lineto (%g,%g) side %d\n",
+			  fixed2float(px), fixed2float(py), side);
+		break;
+	    case gs_pe_closepath:
+#ifdef DEBUG
+		{
+		    gs_path_enum cpenum;
+		    gs_fixed_point cvs[3];
+		    int op;
+
+		    cpenum = cenum;
+		    switch (op = gx_path_enum_next(&cpenum, cvs)) {
+			case 0:
+			case gs_pe_moveto:
+			    break;
+			default:
+			    lprintf1("closepath followed by %d, not end/moveto!\n",
+				     op);
+		    }
+		}
+#endif
+		/* A closepath may require drawing an explicit line if */
+		/* we skipped any segments at the beginning of the path. */
+	      close:if (side != start_side) {	/* If we skipped any segments, put out a moveto/lineto. */
+		    if (side && (px != out.x || py != out.y || first_point())) {
+			C = out.x - px, D = out.y - py;
+			code = cmd_put_rlineto(&writer, &C, out_notes);
+			if (code < 0)
+			    return code;
+			px = out.x, py = out.y;
+			if_debug2('p', "[p]catchup line (%g,%g) for close\n",
+				  fixed2float(px), fixed2float(py));
+		    }
+		    if (open > 0 && start_skip) {	/* Draw the closing line back to the start. */
+			C = start.x - px, D = start.y - py;
+			code = cmd_put_rlineto(&writer, &C, sn_none);
+			if (code < 0)
+			    return code;
+			px = start.x, py = start.y;
+			if_debug2('p', "[p]draw close to (%g,%g)\n",
+				  fixed2float(px), fixed2float(py));
+		    }
+		}
+		/*
+		 * We don't bother to update side because we know that the
+		 * next element after a closepath, if any, must be a moveto.
+		 * We must handle explicitly the possibility that the entire
+		 * subpath was skipped.
+		 */
+		if (implicit_close || open <= 0) {
+		    open = 0;
+		    /*
+		     * Force writing an explicit moveto if the next subpath
+		     * starts with a moveto to the same point where this one
+		     * ends.
+		     */
+		    set_first_point();
+		    continue;
+		}
+		open = 0;
+		px = first.x, py = first.y;
+		code = cmd_put_segment(&writer, cmd_opv_closepath, &A, sn_none);
+		if_debug0('p', "[p]close\n");
+		break;
+	    case gs_pe_curveto:
+		{
+		    segment_notes notes =
+		    gx_path_enum_notes(&cenum) & keep_notes;
+
+		    {
+			fixed bpy, bqy;
+			int all_side, out_side;
+
+			/* Compute the Y bounds for the clipping check. */
+			if (B < D)
+			    bpy = B, bqy = D;
+			else
+			    bpy = D, bqy = B;
+			if (F < bpy)
+			    bpy = F;
+			else if (F > bqy)
+			    bqy = F;
+			all_side = (bqy < ymin ? -1 : bpy > ymax ? 1 : 0);
+			if (all_side != 0) {
+			    if (all_side == side) {	/* Skip a curve entirely outside the clip region. */
+				if (open < 0)
+				    start_skip = true;
+				out.x = E, out.y = F;
+				out_notes = notes;
+				if_debug3('p', "[p]skip curveto (%g,%g) side %d\n",
+				     fixed2float(out.x), fixed2float(out.y),
+					  side);
+				continue;
+			    }
+			    out_side = all_side;
+			} else
+			    out_side = which_side(F);
+			/* If we skipped any segments, put out a moveto/lineto. */
+			if (side && (px != out.x || py != out.y || first_point())) {
+			    fixed diff[2];
+
+			    diff[0] = out.x - px, diff[1] = out.y - py;
+			    if (open < 0) {
+				first = out;
+				code = cmd_put_rmoveto(&writer, diff);
+			    } else
+				code = cmd_put_rlineto(&writer, diff, out_notes);
+			    if (code < 0)
+				return code;
+			    px = out.x, py = out.y;
+			    if_debug3('p', "[p]catchup %s (%g,%g) for curve\n",
+				      (open < 0 ? "moveto" : "lineto"),
+				      fixed2float(px), fixed2float(py));
+			}
+			if ((side = out_side) != 0) {	/* Note a vertex going outside the clip region. */
+			    out.x = E, out.y = F;
+			}
+		    }
+		    {
+			fixed nx = E, ny = F;
+			const fixed *optr = vs;
+			byte op;
+
+			if_debug7('p', "[p]curveto (%g,%g; %g,%g; %g,%g) side %d\n",
+				  fixed2float(A), fixed2float(B),
+				  fixed2float(C), fixed2float(D),
+				  fixed2float(E), fixed2float(F), side);
+			E -= C, F -= D;
+			C -= A, D -= B;
+			A -= px, B -= py;
+			if (B == 0 && E == 0) {
+			    B = A, E = F, optr++, op = cmd_opv_hvcurveto;
+			    if ((B ^ D) >= 0) {
+				if (C == D && E == B)
+				    op = cmd_opv_hqcurveto;
+			    } else if (C == -D && E == -B)
+				C = D, op = cmd_opv_hqcurveto;
+			} else if (A == 0 && F == 0) {
+			    optr++, op = cmd_opv_vhcurveto;
+			    if ((B ^ C) >= 0) {
+				if (D == C && E == B)
+				    op = cmd_opv_vqcurveto;
+			    } else if (D == -C && E == -B)
+				op = cmd_opv_vqcurveto;
+			} else if (A == 0 && B == 0)
+			    optr += 2, op = cmd_opv_nrcurveto;
+			else if (E == 0 && F == 0)
+			    op = cmd_opv_rncurveto;
+			else
+			    op = cmd_opv_rrcurveto;
+			px = nx, py = ny;
+			open = 1;
+			code = cmd_put_segment(&writer, op, optr, notes);
+		    }
+		}
+		break;
+	    default:
+		return_error(gs_error_rangecheck);
+	}
+	if (code < 0)
+	    return code;
+#undef A
+#undef B
+#undef C
+#undef D
+#undef E
+#undef F
+    }
+}
diff --git a/pstoraster/gxclpath.h b/pstoraster/gxclpath.h
new file mode 100644
index 000000000..2e1899216
--- /dev/null
+++ b/pstoraster/gxclpath.h
@@ -0,0 +1,207 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Extends (requires) gxcldev.h */
+
+#ifndef gxclpath_INCLUDED
+#  define gxclpath_INCLUDED
+
+#include "gxfixed.h"		/* for gzpath.h */
+
+/* Define the flags indicating whether a band knows the current values of */
+/* various miscellaneous parameters (pcls->known). */
+#define flatness_known		(1<<0)
+#define fill_adjust_known	(1<<1)
+#define ctm_known		(1<<2)
+#define line_width_known	(1<<3)
+#define miter_limit_known	(1<<4)
+#define misc0_known		(1<<5)
+#define misc1_known		(1<<6)
+#define dash_known		(1<<7)
+#define alpha_known		(1<<8)
+#define clip_path_known		(1<<9)
+#define stroke_all_known	((1<<10)-1)
+#define color_space_known	(1<<10)
+/*#define all_known             ((1<<11)-1) */
+
+/* Define the drawing color types for distinguishing different */
+/* fill/stroke command variations. */
+typedef enum {
+    cmd_dc_type_pure = 0,
+    cmd_dc_type_ht = 1,
+    cmd_dc_type_color = 2
+} cmd_dc_type;
+
+/* Extend the command set.  See gxcldev.h for more information. */
+typedef enum {
+    cmd_op_misc2 = 0xd0,	/* (see below) */
+    cmd_opv_set_flatness = 0xd0,	/* flatness(float) */
+    cmd_opv_set_fill_adjust = 0xd1,	/* adjust_x/y(fixed) */
+    cmd_opv_set_ctm = 0xd2,	/* (0=0,0, 1=V,V, 2=V,-V, 3=U,V)x */
+				/* (xx+yy,yx+xy)(0=0, 1=V)x(tx,ty), */
+				/* 0..5 x coeff(float) */
+    cmd_opv_set_line_width = 0xd3,	/* width(float) */
+    cmd_opv_set_misc2 = 0xd4,
+#define cmd_set_misc2_cap_join (0 << 6)		/* 00: cap(3)join(3) */
+#define cmd_set_misc2_ac_op_sa (1 << 6)		/* 01: 0(3)acc.curves(1)overprint(1) */
+				/*   stroke_adj(1) */
+#define cmd_set_misc2_notes (2 << 6)	/* 10: seg.notes(6) */
+#define cmd_set_misc2_alpha (3 << 6)	/* 11: -unused-, alpha  */
+    cmd_opv_set_miter_limit = 0xd5,	/* miter limit(float) */
+    cmd_opv_set_dash = 0xd6,	/* adapt(1)abs.dot(1)n(6), dot */
+				/* length(float), offset(float), */
+				/* n x (float) */
+    cmd_opv_enable_clip = 0xd7,	/* (nothing) */
+    cmd_opv_disable_clip = 0xd8,	/* (nothing) */
+    cmd_opv_begin_clip = 0xd9,	/* (nothing) */
+    cmd_opv_end_clip = 0xda,	/* outside? */
+    cmd_opv_set_color_space = 0xdb,	/* base(4)Indexed?(2)0(3) */
+				/* [, hival#, table|map] */
+    cmd_opv_begin_image = 0xdc,	/* BPCi(3)(0=mask) */
+				/* more params(1) */
+				/* Matrix?(1)Decode?(1) */
+				/* adjust/CombineWithColor(1) */
+				/* rect?(1), */
+				/* [format(2)Interpolate(1)Alpha(2) */
+				/* 0(3),] width#, height#, */
+				/* [, aabbcd00, 0..6 x coeff(float)] */
+				/* [, (0=default, 1=swapped default, */
+				/* 2=0,V, 3=U,V)x4, */
+				/* 0..8 x decode(float)], */
+				/* [, x0#, w-x1#, y0#, h-y1#] */
+    cmd_opv_image_data = 0xdd,	/* height# (premature EOD if 0), */
+				/* raster#, <data> */
+    cmd_opv_set_color = 0xde,	/* (0000abcd | */
+				/*  0001aaaa abbbbbcc cccddddd), */
+				/* (3|4) x level#: colored halftone */
+				/* with base colors a,b,c,d */
+    cmd_opv_put_params = 0xdf,	/* (nothing) */
+    cmd_op_segment = 0xe0,	/* (see below) */
+    cmd_opv_rmoveto = 0xe0,	/* dx%, dy% */
+    cmd_opv_rlineto = 0xe1,	/* dx%, dy% */
+    cmd_opv_hlineto = 0xe2,	/* dx% */
+    cmd_opv_vlineto = 0xe3,	/* dy% */
+    cmd_opv_rrcurveto = 0xe4,	/* dx1%,dy1%, dx2%,dy2%, dx3%,dy3% */
+    cmd_opv_hvcurveto = 0xe5,	/* dx1%, dx2%,dy2%, dy3% */
+    cmd_opv_vhcurveto = 0xe6,	/* dy1%, dx2%,dy2%, dx3% */
+    cmd_opv_nrcurveto = 0xe7,	/* dx2%,dy2%, dx3%,dy3% */
+    cmd_opv_rncurveto = 0xe8,	/* dx1%,dy1%, dx2%,dy2% */
+    cmd_opv_rmlineto = 0xe9,	/* dx1%,dy1%, dx2%,dy2% */
+    cmd_opv_rm2lineto = 0xea,	/* dx1%,dy1%, dx2%,dy2%, dx3%,dy3% */
+    cmd_opv_rm3lineto = 0xeb,	/* dx1%,dy1%, dx2%,dy2%, dx3%,dy3%, */
+				/* [-dx2,-dy2 implicit] */
+    cmd_opv_vqcurveto = 0xec,	/* dy1%, dx2%[,dy2=dx2 with sign */
+				/* of dy1, dx3=dy1 with sign of dx2] */
+    cmd_opv_hqcurveto = 0xed,	/* dx1%, [dx2=dy2 with sign */
+				/* of dx1,]%dy2, [dy3=dx1 with sign */
+				/* of dy2] */
+    cmd_opv_closepath = 0xee,	/* (nothing) */
+    cmd_op_path = 0xf0,		/* (see below) */
+    /* The path drawing commands come in groups: */
+    /* each group consists of a base command plus an offset */
+    /* which is a cmd_dc_type. */
+    cmd_opv_fill = 0xf0,
+    cmd_opv_htfill = 0xf1,
+    cmd_opv_colorfill = 0xf2,
+    cmd_opv_eofill = 0xf3,
+    cmd_opv_hteofill = 0xf4,
+    cmd_opv_coloreofill = 0xf5,
+    cmd_opv_stroke = 0xf6,
+    cmd_opv_htstroke = 0xf7,
+    cmd_opv_colorstroke = 0xf8
+} gx_cmd_xop;
+
+static const byte clist_segment_op_num_operands[] =
+{2, 2, 1, 1, 6, 4, 4, 4, 4, 4, 6, 6, 2, 2, 0
+};
+
+#define cmd_misc2_op_name_strings\
+  "set_flatness", "set_fill_adjust", "set_ctm", "set_line_width",\
+  "set_misc2", "set_miter_limit", "set_dash", "enable_clip",\
+  "disable_clip", "begin_clip", "end_clip", "set_color_space",\
+  "begin_image", "image_data", "set_color", "put_params"
+
+#define cmd_segment_op_name_strings\
+  "rmoveto", "rlineto", "hlineto", "vlineto",\
+  "rrcurveto", "hvcurveto", "vhcurveto", "nrcurveto",\
+  "rncurveto", "rmlineto", "rm2lineto", "rm3lineto",\
+  "vqcurveto", "hqcurveto", "closepath", "?ef?"
+
+#define cmd_path_op_name_strings\
+  "fill", "htfill", "colorfill", "eofill",\
+  "hteofill", "coloreofill", "stroke", "htstroke",\
+  "colorstroke", "?f9?", "?fa?", "?fb?",\
+  "?fc?", "?fd?", "?fe?", "?ff?"
+
+/*
+ * We represent path coordinates as 'fixed' values in a variable-length,
+ * relative form (s/t = sign, x/y = integer, f/g = fraction):
+ *      00sxxxxx xfffffff ffffftyy yyyygggg gggggggg
+ *      01sxxxxx xxxxffff ffffffff
+ *      10sxxxxx xxxxxxxx xxxxffff ffffffff
+ *      110sxxxx xxxxxxff
+ *      111----- (a full-size `fixed' value)
+ */
+#define is_bits(d, n) !(((d) + ((fixed)1 << ((n) - 1))) & (-(fixed)1 << (n)))
+
+/* ---------------- Driver procedure support ---------------- */
+
+/* The procedures and macros defined here are used when writing */
+/* (gxclimag.c, gxclpath.c). */
+
+/* Compare and update members of the imager state. */
+#define state_neq(member)\
+  cdev->imager_state.member != pis->member
+#define state_update(member)\
+  cdev->imager_state.member = pis->member
+
+/* ------ Exported by gxclpath.c ------ */
+
+/* Write out the color for filling, stroking, or masking. */
+/* Return a cmd_dc_type. */
+int cmd_put_drawing_color(P3(gx_device_clist_writer * cldev,
+			     gx_clist_state * pcls,
+			     const gx_drawing_color * pdcolor));
+
+/* Clear (a) specific 'known' flag(s) for all bands. */
+/* We must do this whenever the value of a 'known' parameter changes. */
+void cmd_clear_known(P2(gx_device_clist_writer * cldev, uint known));
+
+/* Write out values of any unknown parameters. */
+#define cmd_do_write_unknown(cldev, pcls, must_know)\
+  ( ~((pcls)->known) & (must_know) ?\
+    cmd_write_unknown(cldev, pcls, must_know) : 0 )
+int cmd_write_unknown(P3(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+			 uint must_know));
+
+/* Check whether we need to change the clipping path in the device. */
+bool cmd_check_clip_path(P2(gx_device_clist_writer * cldev,
+			    const gx_clip_path * pcpath));
+
+/* Construct the parameters for writing out a matrix. */
+/* We need a buffer of at least 1 + 6 * sizeof(float) bytes. */
+byte *cmd_for_matrix(P2(byte * cbuf, const gs_matrix * pmat));
+
+#endif /* gxclpath_INCLUDED */
diff --git a/pstoraster/gxclrast.c b/pstoraster/gxclrast.c
new file mode 100644
index 000000000..99569045a
--- /dev/null
+++ b/pstoraster/gxclrast.c
@@ -0,0 +1,2333 @@
+/*
+  Copyright 2001 by Easy Software Products.
+  Copyright 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command list interpreter/rasterizer */
+#include "memory_.h"
+#include "gx.h"
+#include "gp.h"			/* for gp_fmode_rb */
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsbitops.h"
+#include "gsparams.h"
+#include "gsstate.h"		/* (should only be imager state) */
+#include "gxdcolor.h"
+#include "gxdevice.h"
+#include "gscoord.h"		/* requires gsmatrix.h */
+#include "gsdevice.h"		/* for gs_deviceinitialmatrix */
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxclpath.h"
+#include "gxcmap.h"
+#include "gxcspace.h"		/* for gs_color_space_type */
+#include "gxgetbit.h"
+#include "gxpaint.h"		/* for gx_fill/stroke_params */
+#include "gxhttile.h"
+#include "gdevht.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+#include "gzacpath.h"
+#include "stream.h"
+#include "strimpl.h"
+
+/* We need color space types for constructing temporary color spaces. */
+extern const gs_color_space_type gs_color_space_type_Indexed;
+
+/* Print a bitmap for tracing */
+#ifdef DEBUG
+private void
+cmd_print_bits(const byte * data, int width, int height, int raster)
+{
+    int i, j;
+
+    dlprintf3("[L]width=%d, height=%d, raster=%d\n",
+	      width, height, raster);
+    for (i = 0; i < height; i++) {
+	const byte *row = data + i * raster;
+
+	dlprintf("[L]");
+	for (j = 0; j < raster; j++)
+	    dprintf1(" %02x", row[j]);
+	dputc('\n');
+    }
+}
+#else
+#  define cmd_print_bits(data, width, height, raster) DO_NOTHING
+#endif
+
+/* Get a variable-length integer operand. */
+#define cmd_getw(var, p)\
+  BEGIN\
+    if ( *p < 0x80 ) var = *p++;\
+    else { const byte *_cbp; var = cmd_get_w(p, &_cbp); p = _cbp; }\
+  END
+private long
+cmd_get_w(const byte * p, const byte ** rp)
+{
+    long val = *p++ & 0x7f;
+    int shift = 7;
+
+    for (; val += (long)(*p & 0x7f) << shift, *p++ > 0x7f; shift += 7);
+    *rp = p;
+    return val;
+}
+
+/*
+ * Define the structure for keeping track of the command reading buffer.
+ *
+ * The ptr member is only used for passing the current pointer to, and
+ * receiving an updated pointer from, commands implemented as separate
+ * procedures: normally it is kept in a register.
+ */
+typedef struct command_buf_s {
+    byte *data;			/* actual buffer, guaranteed aligned */
+    uint size;
+    const byte *ptr;		/* next byte to be read (see above) */
+    const byte *limit;		/* refill warning point */
+    const byte *end;		/* byte just beyond valid data */
+    stream *s;			/* for refilling buffer */
+    int end_status;
+} command_buf_t;
+
+/* Set the end of a command buffer. */
+private void
+set_cb_end(command_buf_t *pcb, const byte *end)
+{
+    pcb->end = end;
+    pcb->limit = pcb->data + (pcb->size - cmd_largest_size + 1);
+    if ( pcb->limit > pcb->end )
+	pcb->limit = pcb->end;
+}
+
+/* Read more data into a command buffer. */
+private const byte *
+top_up_cbuf(command_buf_t *pcb, const byte *cbp)
+{
+    uint nread;
+    byte *cb_top = pcb->data + (pcb->end - cbp);
+
+    memmove(pcb->data, cbp, pcb->end - cbp);
+    nread = pcb->end - cb_top;
+    pcb->end_status = sgets(pcb->s, cb_top, nread, &nread);
+    if ( nread == 0 ) {
+	/* No data for this band at all. */
+	*cb_top = cmd_opv_end_run;
+	nread = 1;
+    }
+    set_cb_end(pcb, cb_top + nread);
+    process_interrupts();
+    return pcb->data;
+}
+
+/* Read data from the command buffer and stream. */
+private const byte *
+cmd_read_data(command_buf_t *pcb, byte *ptr, uint rsize, const byte *cbp)
+{
+    if (pcb->end - cbp >= rsize) {
+	memcpy(ptr, cbp, rsize);
+	return cbp + rsize;
+    } else {
+	uint cleft = pcb->end - cbp;
+	uint rleft = rsize - cleft;
+
+	memcpy(ptr, cbp, cleft);
+	sgets(pcb->s, ptr + cleft, rleft, &rleft);
+	return pcb->end;
+    }
+}
+#define cmd_read(ptr, rsize, cbp)\
+  cbp = cmd_read_data(&cbuf, ptr, rsize, cbp)
+
+/* Read a fixed-size value from the command buffer. */
+inline private const byte *
+cmd_copy_value(void *pvar, int var_size, const byte *cbp)
+{
+    memcpy(pvar, cbp, var_size);
+    return cbp + var_size;
+}
+#define cmd_get_value(var, cbp)\
+  cbp = cmd_copy_value(&var, sizeof(var), cbp)
+
+/*
+ * Render one band to a specified target device.  Note that if
+ * action == setup, target may be 0.
+ */
+private int read_set_tile_size(P2(command_buf_t *pcb, tile_slot *bits));
+private int read_set_bits(P8(command_buf_t *pcb, tile_slot *bits,
+			     int compress, gx_clist_state *pcls,
+			     gx_strip_bitmap *tile, tile_slot **pslot,
+			     gx_device_clist_reader *cdev, gs_memory_t *mem));
+private int read_set_ht_order(P4(command_buf_t *pcb, gx_device_halftone *pdht,
+				 gx_ht_order **pporder, gs_memory_t *mem));
+private int read_set_ht_data(P8(command_buf_t *pcb, uint *pdata_index,
+				gx_ht_order *porder, gx_device_halftone *pdht,
+				gs_halftone_type halftone_type,
+				gs_imager_state *pis,
+				gx_device_clist_reader *cdev,
+				gs_memory_t *mem));
+private int read_begin_image(P5(command_buf_t *pcb, gs_image_t *pim,
+				int *pnum_planes, gs_int_rect *prect,
+				const gs_color_space *pcs));
+private int read_put_params(P3(command_buf_t *pcb,
+			       gx_device_clist_reader *cdev,
+			       gs_memory_t *mem));
+
+private const byte *cmd_read_rect(P3(int, gx_cmd_rect *, const byte *));
+private const byte *cmd_read_matrix(P2(gs_matrix *, const byte *));
+private const byte *cmd_read_short_bits(P6(command_buf_t *pcb, byte *data,
+					   int width_bytes, int height,
+					   uint raster, const byte *cbp));
+private int cmd_select_map(P7(cmd_map_index, bool, gs_imager_state *,
+			    gx_ht_order *, frac **, uint *, gs_memory_t *));
+private int cmd_resize_halftone(P3(gx_device_halftone *, uint, gs_memory_t *));
+private int clist_decode_segment(P7(gx_path *, int, fixed[6],
+				    gs_fixed_point *, int, int,
+				    segment_notes));
+
+int
+clist_playback_band(clist_playback_action playback_action,
+		    gx_device_clist_reader *cdev, stream *s,
+		    gx_device *target, int x0, int y0, gs_memory_t * mem)
+{
+    /* cbuf must be maximally aligned, but still be a byte *. */
+    typedef union { void *p; double d; long l; } aligner_t;
+    aligner_t cbuf_storage[cbuf_size / sizeof(aligner_t) + 1];
+    command_buf_t cbuf;
+    /* data_bits is for short copy_* bits and copy_* compressed, */
+    /* must be aligned */
+#define data_bits_size cbuf_size
+    byte *data_bits;
+    register const byte *cbp;
+    int dev_depth = cdev->color_info.depth;
+    int dev_depth_bytes = (dev_depth + 7) >> 3;
+    gx_device *tdev;
+    gx_clist_state state;
+    gx_color_index *set_colors;
+    tile_slot *state_slot;
+    gx_strip_bitmap state_tile;	/* parameters for reading tiles */
+    tile_slot tile_bits;	/* parameters of current tile */
+    gs_int_point tile_phase;
+    gx_path path;
+    bool in_path;
+    gs_fixed_point ppos;
+    gx_clip_path clip_path;
+    bool use_clip;
+    gx_clip_path *pcpath;
+    gx_device_cpath_accum clip_accum;
+    gs_fixed_rect target_box;
+    struct _cas {
+	bool lop_enabled;
+	gs_fixed_point fill_adjust;
+    } clip_save;
+    gs_imager_state imager_state;
+    gx_device_color dev_color;
+    float dash_pattern[cmd_max_dash];
+    gx_fill_params fill_params;
+    gx_stroke_params stroke_params;
+    gx_device_halftone dev_ht;
+    gs_halftone_type halftone_type;
+    gx_ht_order *porder;
+    uint ht_data_index;
+    gs_image_t image;
+    int image_num_planes;
+    gs_int_rect image_rect;
+    gs_color_space color_space;	/* only used for indexed spaces */
+    const gs_color_space *pcs;
+    gx_image_enum_common_t *image_info;
+    segment_notes notes;
+    int data_x;
+    int code = 0;
+
+    cbuf.data = (byte *)cbuf_storage;
+    cbuf.size = cbuf_size;
+    cbuf.s = s;
+    cbuf.end_status = 0;
+    set_cb_end(&cbuf, cbuf.data + cbuf.size);
+    cbp = cbuf.end;
+in:				/* Initialize for a new page. */
+    tdev = target;
+    set_colors = state.colors;
+    use_clip = false;
+    pcpath = NULL;
+    notes = sn_none;
+    data_x = 0;
+    {
+	static const gx_clist_state cls_initial = { cls_initial_values };
+
+	state = cls_initial;
+    }
+    state_tile.id = gx_no_bitmap_id;
+    state_tile.shift = state_tile.rep_shift = 0;
+    tile_phase.x = x0;
+    tile_phase.y = y0;
+    gx_path_init_local(&path, mem);
+    in_path = false;
+    /*
+     * Initialize the clipping region to the full page.
+     * (Since we also initialize use_clip to false, this is arbitrary.)
+     */
+    {
+	gs_fixed_rect cbox;
+
+	gx_cpath_init_local(&clip_path, mem);
+	cbox.p.x = 0;
+	cbox.p.y = 0;
+	cbox.q.x = cdev->width;
+	cbox.q.y = cdev->height;
+	gx_cpath_from_rectangle(&clip_path, &cbox);
+    }
+    if (target != 0)
+	(*dev_proc(target, get_clipping_box))(target, &target_box);
+    imager_state = clist_imager_state_initial;
+    imager_state.line_params.dash.pattern = dash_pattern;
+    code = gs_imager_state_initialize(&imager_state, mem);
+    if (code < 0)
+	goto out;
+    imager_state.halftone = 0;	/* never referenced */
+    memset(&dev_ht, 0, sizeof(dev_ht));
+    dev_ht.order.levels = 0;	/* clear pointers explicitly, just in case */
+    dev_ht.order.bits = 0;
+    dev_ht.order.transfer = 0;
+    dev_ht.components = 0;
+    imager_state.dev_ht = &dev_ht;
+    imager_state.ht_cache = 0;
+    if (tdev != 0)
+	gx_set_cmap_procs(&imager_state, tdev);
+    gx_imager_setscreenphase(&imager_state, -x0, -y0, gs_color_select_all);
+    halftone_type = ht_type_none;
+    fill_params.fill_zero_width = false;
+    pcs = gs_cspace_DeviceGray(&imager_state);
+    data_bits = gs_alloc_bytes(mem, data_bits_size,
+			       "clist_playback_band(data_bits)");
+    if (data_bits == 0) {
+	code = gs_note_error(gs_error_VMerror);
+	goto out;
+    }
+    while (code >= 0) {
+	int op;
+	int compress, depth, raster;
+	byte *source;
+	gx_color_index colors[2];
+	gx_color_index *pcolor;
+	gs_logical_operation_t log_op;
+	tile_slot bits;		/* parameters for reading bits */
+
+	/* Make sure the buffer contains a full command. */
+	if (cbp >= cbuf.limit) {
+	    if (cbuf.end_status < 0) {	/* End of file or error. */
+		if (cbp == cbuf.end) {
+		    code = (cbuf.end_status == EOFC ? 0 :
+			    gs_note_error(gs_error_ioerror));
+		    break;
+		}
+	    } else {
+		cbp = top_up_cbuf(&cbuf, cbp);
+	    }
+	}
+	op = *cbp++;
+#ifdef DEBUG
+	if (gs_debug_c('L')) {
+	    const char *const *sub = cmd_sub_op_names[op >> 4];
+
+	    if (sub)
+		dlprintf1("[L]%s:", sub[op & 0xf]);
+	    else
+		dlprintf2("[L]%s %d:", cmd_op_names[op >> 4], op & 0xf);
+	}
+#endif
+	switch (op >> 4) {
+	    case cmd_op_misc >> 4:
+		switch (op) {
+		    case cmd_opv_end_run:
+			if_debug0('L', "\n");
+			continue;
+		    case cmd_opv_set_tile_size:
+			cbuf.ptr = cbp;
+			code = read_set_tile_size(&cbuf, &tile_bits);
+			cbp = cbuf.ptr;
+			if (code < 0)
+			    goto out;
+			continue;
+		    case cmd_opv_set_tile_phase:
+			cmd_getw(state.tile_phase.x, cbp);
+			cmd_getw(state.tile_phase.y, cbp);
+			if_debug2('L', " (%d,%d)\n",
+				  state.tile_phase.x,
+				  state.tile_phase.y);
+			goto set_phase;
+		    case cmd_opv_set_tile_bits:
+			bits = tile_bits;
+			compress = 0;
+		      stb:
+			cbuf.ptr = cbp;
+			code = read_set_bits(&cbuf, &bits, compress,
+					     &state, &state_tile, &state_slot,
+					     cdev, mem);
+			cbp = cbuf.ptr;
+			if (code < 0)
+			    goto out;
+			goto stp;
+		    case cmd_opv_set_bits:
+			compress = *cbp & 3;
+			bits.cb_depth = *cbp++ >> 2;
+			cmd_getw(bits.width, cbp);
+			cmd_getw(bits.height, cbp);
+			if_debug4('L', " compress=%d depth=%d size=(%d,%d)",
+				  compress, bits.cb_depth,
+				  bits.width, bits.height);
+			bits.cb_raster =
+			    bitmap_raster(bits.width * bits.cb_depth);
+			bits.x_reps = bits.y_reps = 1;
+			bits.shift = bits.rep_shift = 0;
+			goto stb;
+		    case cmd_opv_set_tile_color:
+			set_colors = state.tile_colors;
+			if_debug0('L', "\n");
+			continue;
+		    case cmd_opv_set_misc:
+			{
+			    uint cb = *cbp++;
+
+			    switch (cb >> 6) {
+				case cmd_set_misc_lop >> 6:
+				    cmd_getw(state.lop, cbp);
+				    state.lop = (state.lop << 6) + (cb & 0x3f);
+				    if_debug1('L', " lop=0x%x\n", state.lop);
+				    if (state.lop_enabled)
+					imager_state.log_op = state.lop;
+				    break;
+				case cmd_set_misc_data_x >> 6:
+				    if (cb & 0x20)
+					cmd_getw(data_x, cbp) /* MRS: No trailing ; */
+				    else
+					data_x = 0;
+				    data_x = (data_x << 5) + (cb & 0x1f);
+				    if_debug1('L', " data_x=%d\n", data_x);
+				    break;
+				case cmd_set_misc_map >> 6:
+				    {
+					frac *mdata;
+					uint count;
+
+					code = cmd_select_map(cb & 0x1f,
+							      cb & 0x20,
+							      &imager_state,
+							      porder, &mdata,
+							      &count, mem);
+
+					if (code < 0)
+					    goto out;
+					if (mdata) {
+					    cmd_read((byte *) mdata, count, cbp);
+#ifdef DEBUG
+					    if (gs_debug_c('L')) {
+						uint i;
+
+						for (i = 0; i < count / sizeof(*mdata); ++i)
+						    dprintf1(" 0x%04x", mdata[i]);
+						dputc('\n');
+					    }
+					} else {
+					    if_debug0('L', " none\n");
+#endif
+					}
+				    }
+				    /* Recompute the effective transfer, */
+				    /* in case this was a transfer map. */
+				    gx_imager_set_effective_xfer(
+							     &imager_state);
+				    break;
+				case cmd_set_misc_halftone >> 6:
+				    halftone_type = cb & 0x3f;
+				    {
+					uint num_comp;
+
+					cmd_getw(num_comp, cbp);
+					if_debug2('L', " halftone type=%d num_comp=%u\n",
+						  halftone_type, num_comp);
+					code = cmd_resize_halftone(&dev_ht,
+							     num_comp, mem);
+					if (code < 0)
+					    goto out;
+				    }
+				    break;
+				default:
+				    goto bad_op;
+			    }
+			}
+			continue;
+		    case cmd_opv_enable_lop:
+			state.lop_enabled = true;
+			imager_state.log_op = state.lop;
+			if_debug0('L', "\n");
+			continue;
+		    case cmd_opv_disable_lop:
+			state.lop_enabled = false;
+			imager_state.log_op = lop_default;
+			if_debug0('L', "\n");
+			continue;
+		    case cmd_opv_set_ht_order:
+			cbuf.ptr = cbp;
+			code = read_set_ht_order(&cbuf, &dev_ht, &porder, mem);
+			cbp = cbuf.ptr;
+			if (code < 0)
+			    goto out;
+			ht_data_index = 0;
+			/*
+			 * Free the relevant cache, because its sizes
+			 * are probably not correct any more.
+			 */
+			{
+			    gx_ht_cache *pcache = porder->cache;
+
+			    if (pcache) {
+				if (pcache != imager_state.ht_cache)
+				    gx_ht_free_cache(mem, pcache);
+				porder->cache = 0;
+			    }
+			}
+			continue;
+		    case cmd_opv_set_ht_data:
+			cbuf.ptr = cbp;
+			code = read_set_ht_data(&cbuf, &ht_data_index, porder,
+						&dev_ht, halftone_type,
+						&imager_state, cdev, mem);
+			cbp = cbuf.ptr;
+			if (code < 0)
+			    goto out;
+			continue;
+		    case cmd_opv_end_page:
+			if_debug0('L', "\n");
+			/*
+			 * Do end-of-page cleanup, then reinitialize if
+			 * there are more pages to come.
+			 */
+			goto out;
+		    case cmd_opv_delta2_color0:
+			pcolor = &set_colors[0];
+			goto delta2_c;
+		    case cmd_opv_delta2_color1:
+			pcolor = &set_colors[1];
+		      delta2_c:set_colors = state.colors;
+			{
+			    gx_color_index b = ((uint) * cbp << 8) + cbp[1];
+
+			    cbp += 2;
+			    if (dev_depth > 24)
+				*pcolor +=
+				    ((b & 0xf000) << 12) + ((b & 0x0f00) << 8) +
+				    ((b & 0x00f0) << 4) + (b & 0x000f) -
+				    cmd_delta2_32_bias;
+			    else
+				*pcolor +=
+				    ((b & 0xf800) << 5) + ((b & 0x07e0) << 3) +
+				    (b & 0x001f) - cmd_delta2_24_bias;
+			}
+			if_debug1('L', " 0x%lx\n", *pcolor);
+			continue;
+		    case cmd_opv_set_copy_color:
+			state.color_is_alpha = 0;
+			if_debug0('L', "\n");
+			continue;
+		    case cmd_opv_set_copy_alpha:
+			state.color_is_alpha = 1;
+			if_debug0('L', "\n");
+			continue;
+		    default:
+			goto bad_op;
+		}
+		/*NOTREACHED */
+	    case cmd_op_set_color0 >> 4:
+		pcolor = &set_colors[0];
+		goto set_color;
+	    case cmd_op_set_color1 >> 4:
+		pcolor = &set_colors[1];
+	      set_color:set_colors = state.colors;
+		switch (op & 0xf) {
+		    case 0:
+			break;
+		    case 15:	/* special handling because this may */
+			/* require more bits than depth */
+			*pcolor = gx_no_color_index;
+			goto setc;
+		    default:
+			switch (dev_depth_bytes) {
+			    case 4:
+				{
+				    gx_color_index b =
+				    ((gx_color_index) (op & 0xf) << 8) + *cbp++;
+
+				    *pcolor +=
+					((b & 07000) << 15) + ((b & 0700) << 10) +
+					((b & 070) << 5) + (b & 7) -
+					cmd_delta1_32_bias;
+				    goto setc;
+				}
+			    case 3:
+				{
+				    gx_color_index b = *cbp++;
+
+				    *pcolor +=
+					((gx_color_index) (op & 0xf) << 16) +
+					((b & 0xf0) << 4) + (b & 0x0f) -
+					cmd_delta1_24_bias;
+				    goto setc;
+				}
+			    case 2:
+				break;
+			    case 1:
+				*pcolor += (gx_color_index) (op & 0xf) - 8;
+				goto setc;
+			}
+		}
+		{
+		    gx_color_index color = 0;
+
+		    switch (dev_depth_bytes) {
+			case 4:
+			    color |= (gx_color_index) * cbp++ << 24;
+			case 3:
+			    color |= (gx_color_index) * cbp++ << 16;
+			case 2:
+			    color |= (gx_color_index) * cbp++ << 8;
+			case 1:
+			    color |= (gx_color_index) * cbp++;
+		    }
+		    *pcolor = color;
+		}
+	      setc:if_debug1('L', " 0x%lx\n", *pcolor);
+		continue;
+	    case cmd_op_fill_rect >> 4:
+	    case cmd_op_tile_rect >> 4:
+		cbp = cmd_read_rect(op, &state.rect, cbp);
+		break;
+	    case cmd_op_fill_rect_short >> 4:
+	    case cmd_op_tile_rect_short >> 4:
+		state.rect.x += *cbp + cmd_min_short;
+		state.rect.width += cbp[1] + cmd_min_short;
+		if (op & 0xf) {
+		    state.rect.height += (op & 0xf) + cmd_min_dxy_tiny;
+		    cbp += 2;
+		} else {
+		    state.rect.y += cbp[2] + cmd_min_short;
+		    state.rect.height += cbp[3] + cmd_min_short;
+		    cbp += 4;
+		}
+		break;
+	    case cmd_op_fill_rect_tiny >> 4:
+	    case cmd_op_tile_rect_tiny >> 4:
+		if (op & 8)
+		    state.rect.x += state.rect.width;
+		else {
+		    int txy = *cbp++;
+
+		    state.rect.x += (txy >> 4) + cmd_min_dxy_tiny;
+		    state.rect.y += (txy & 0xf) + cmd_min_dxy_tiny;
+		}
+		state.rect.width += (op & 7) + cmd_min_dw_tiny;
+		break;
+	    case cmd_op_copy_mono >> 4:
+		depth = 1;
+		goto copy;
+	    case cmd_op_copy_color_alpha >> 4:
+		if (state.color_is_alpha) {
+		    if (!(op & 8))
+			depth = *cbp++;
+		} else
+		    depth = dev_depth;
+	      copy:cmd_getw(state.rect.x, cbp);
+		cmd_getw(state.rect.y, cbp);
+		if (op & 8) {	/* Use the current "tile". */
+#ifdef DEBUG
+		    if (state_slot->index != state.tile_index) {
+			lprintf2("state_slot->index = %d, state.tile_index = %d!\n",
+				 state_slot->index,
+				 state.tile_index);
+			code = gs_note_error(gs_error_ioerror);
+			goto out;
+		    }
+#endif
+		    depth = state_slot->cb_depth;
+		    state.rect.width = state_slot->width;
+		    state.rect.height = state_slot->height;
+		    raster = state_slot->cb_raster;
+		    source = (byte *) (state_slot + 1);
+		} else {	/* Read width, height, bits. */
+		    /* depth was set already. */
+		    uint width_bits, width_bytes;
+		    uint bytes;
+
+		    cmd_getw(state.rect.width, cbp);
+		    cmd_getw(state.rect.height, cbp);
+		    width_bits = state.rect.width * depth;
+		    bytes =
+			clist_bitmap_bytes(width_bits,
+					   state.rect.height,
+					   op & 3, &width_bytes,
+					   (uint *)&raster);
+		    /* copy_mono and copy_color/alpha */
+		    /* ensure that the bits will fit in a single buffer, */
+		    /* even after decompression if compressed. */
+#ifdef DEBUG
+		    if (bytes > cbuf_size) {
+			lprintf6("bitmap size exceeds buffer!  width=%d raster=%d height=%d\n    file pos %ld buf pos %d/%d\n",
+				 state.rect.width, raster,
+				 state.rect.height,
+				 stell(s), (int)(cbp - cbuf.data),
+				 (int)(cbuf.end - cbuf.data));
+			code = gs_note_error(gs_error_ioerror);
+			goto out;
+		    }
+#endif
+		    if (op & 3) {	/* Decompress the image data. */
+			stream_cursor_read r;
+			stream_cursor_write w;
+
+			/* We don't know the data length a priori, */
+			/* so to be conservative, we read */
+			/* the uncompressed size. */
+			uint cleft = cbuf.end - cbp;
+
+			if (cleft < bytes) {
+			    uint nread = cbuf_size - cleft;
+
+			    memmove(cbuf.data, cbp, cleft);
+			    cbuf.end_status = sgets(s, cbuf.data + cleft, nread, &nread);
+			    set_cb_end(&cbuf, cbuf.data + cleft + nread);
+			    cbp = cbuf.data;
+			}
+			r.ptr = cbp - 1;
+			r.limit = cbuf.end - 1;
+			w.ptr = data_bits - 1;
+			w.limit = w.ptr + data_bits_size;
+			switch (op & 3) {
+			    case cmd_compress_rle:
+				{
+				    stream_RLD_state sstate;
+
+				    clist_rld_init(&sstate);
+				    /* The process procedure can't fail. */
+				    (*s_RLD_template.process)
+					((stream_state *)&sstate, &r, &w, true);
+				}
+				break;
+			    case cmd_compress_cfe:
+				{
+				    stream_CFD_state sstate;
+
+				    clist_cfd_init(&sstate,
+				    width_bytes << 3 /*state.rect.width */ ,
+						   state.rect.height, mem);
+				    /* The process procedure can't fail. */
+				    (*s_CFD_template.process)
+					((stream_state *)&sstate, &r, &w, true);
+				    (*s_CFD_template.release)
+					((stream_state *)&sstate);
+				}
+				break;
+			    default:
+				goto bad_op;
+			}
+			cbp = r.ptr + 1;
+			source = data_bits;
+		    } else if (state.rect.height > 1 &&
+			       width_bytes != raster
+			) {
+			source = data_bits;
+			cbp = cmd_read_short_bits(&cbuf, source, width_bytes,
+						  state.rect.height,
+						  raster, cbp);
+		    } else {
+			cmd_read(cbuf.data, bytes, cbp);
+			source = cbuf.data;
+		    }
+#ifdef DEBUG
+		    if (gs_debug_c('L')) {
+			dprintf2(" depth=%d, data_x=%d\n",
+				 depth, data_x);
+			cmd_print_bits(source, state.rect.width,
+				       state.rect.height, raster);
+		    }
+#endif
+		}
+		break;
+	    case cmd_op_delta_tile_index >> 4:
+		state.tile_index += (int)(op & 0xf) - 8;
+		goto sti;
+	    case cmd_op_set_tile_index >> 4:
+		state.tile_index =
+		    ((op & 0xf) << 8) + *cbp++;
+	      sti:state_slot =
+		    (tile_slot *) (cdev->chunk.data +
+				 cdev->tile_table[state.tile_index].offset);
+		if_debug2('L', " index=%u offset=%lu\n",
+			  state.tile_index,
+			  cdev->tile_table[state.tile_index].offset);
+		state_tile.data = (byte *) (state_slot + 1);
+	      stp:state_tile.size.x = state_slot->width;
+		state_tile.size.y = state_slot->height;
+		state_tile.raster = state_slot->cb_raster;
+		state_tile.rep_width = state_tile.size.x /
+		    state_slot->x_reps;
+		state_tile.rep_height = state_tile.size.y /
+		    state_slot->y_reps;
+		state_tile.rep_shift = state_slot->rep_shift;
+		state_tile.shift = state_slot->shift;
+	      set_phase:tile_phase.x =
+		    (state.tile_phase.x + x0) % state_tile.size.x;
+		/*
+		 * The true tile height for shifted tiles is not
+		 * size.y: see gxbitmap.h for the computation.
+		 */
+		{
+		    int full_height;
+
+		    if (state_tile.shift == 0)
+			full_height = state_tile.size.y;
+		    else
+			full_height = state_tile.rep_height *
+			    (state_tile.rep_width /
+			     igcd(state_tile.rep_shift,
+				  state_tile.rep_width));
+		    tile_phase.y =
+			(state.tile_phase.y + y0) % full_height;
+		}
+		gx_imager_setscreenphase(&imager_state,
+					 -(state.tile_phase.x + x0),
+					 -(state.tile_phase.y + y0),
+					 gs_color_select_all);
+		continue;
+	    case cmd_op_misc2 >> 4:
+		switch (op) {
+		    case cmd_opv_set_flatness:
+			cmd_get_value(imager_state.flatness, cbp);
+			if_debug1('L', " %g\n", imager_state.flatness);
+			continue;
+		    case cmd_opv_set_fill_adjust:
+			cmd_get_value(imager_state.fill_adjust.x, cbp);
+			cmd_get_value(imager_state.fill_adjust.y, cbp);
+			if_debug2('L', " (%g,%g)\n",
+				  fixed2float(imager_state.fill_adjust.x),
+				  fixed2float(imager_state.fill_adjust.y));
+			continue;
+		    case cmd_opv_set_ctm:
+			{
+			    gs_matrix mat;
+
+			    cbp = cmd_read_matrix(&mat, cbp);
+			    mat.tx -= x0;
+			    mat.ty -= y0;
+			    gs_imager_setmatrix(&imager_state, &mat);
+			    if_debug6('L', " [%g %g %g %g %g %g]\n",
+				      mat.xx, mat.xy, mat.yx, mat.yy,
+				      mat.tx, mat.ty);
+			}
+			continue;
+		    case cmd_opv_set_line_width:
+			{
+			    float width;
+
+			    cmd_get_value(width, cbp);
+			    if_debug1('L', " %g\n", width);
+			    gx_set_line_width(&imager_state.line_params, width);
+			}
+			continue;
+		    case cmd_opv_set_misc2:
+			{
+			    uint cb = *cbp;
+
+			    switch (cb >> 6) {
+				case cmd_set_misc2_cap_join >> 6:
+				    imager_state.line_params.cap =
+					(gs_line_cap) ((cb >> 3) & 7);
+				    imager_state.line_params.join =
+					(gs_line_join) (cb & 7);
+				    if_debug2('L', " cap=%d join=%d\n",
+					      imager_state.line_params.cap,
+					      imager_state.line_params.join);
+				    break;
+				case cmd_set_misc2_ac_op_sa >> 6:
+				    imager_state.accurate_curves =
+					(cb & 4) != 0;
+				    imager_state.overprint = (cb & 2) != 0;
+				    imager_state.stroke_adjust = cb & 1;
+				    if_debug3('L', " AC=%d OP=%d SA=%d\n",
+					      imager_state.accurate_curves,
+					      imager_state.overprint,
+					      imager_state.stroke_adjust);
+				    break;
+				case cmd_set_misc2_notes >> 6:
+				    notes = (segment_notes) (cb & 0x3f);
+				    if_debug1('L', " notes=%d\n", notes);
+				    break;
+				case cmd_set_misc2_alpha >> 6:
+				    memcpy(&imager_state.alpha, cbp + 1,
+					   sizeof(imager_state.alpha));
+				    cbp += sizeof(imager_state.alpha);
+				    break;
+				default:
+				    goto bad_op;
+			    }
+			}
+			cbp++;
+			continue;
+		    case cmd_opv_set_miter_limit:
+			{
+			    float limit;
+
+			    cmd_get_value(limit, cbp);
+			    if_debug1('L', " %g\n", limit);
+			    gx_set_miter_limit(&imager_state.line_params, limit);
+			}
+			continue;
+		    case cmd_opv_set_dash:
+			{
+			    int nb = *cbp++;
+			    int n = nb & 0x3f;
+			    float dot_length, offset;
+
+			    cmd_get_value(dot_length, cbp);
+			    cmd_get_value(offset, cbp);
+			    memcpy(dash_pattern, cbp, n * sizeof(float));
+
+			    gx_set_dash(&imager_state.line_params.dash,
+					dash_pattern, n, offset,
+					NULL);
+			    gx_set_dash_adapt(&imager_state.line_params.dash,
+					      (nb & 0x80) != 0);
+			    gx_set_dot_length(&imager_state.line_params,
+					      dot_length,
+					      (nb & 0x40) != 0);
+#ifdef DEBUG
+			    if (gs_debug_c('L')) {
+				int i;
+
+				dprintf4(" dot=%g(mode %d) adapt=%d offset=%g [",
+					 dot_length,
+					 (nb & 0x40) != 0,
+					 (nb & 0x80) != 0, offset);
+				for (i = 0; i < n; ++i)
+				    dprintf1("%g ", dash_pattern[i]);
+				dputs("]\n");
+			    }
+#endif
+			    cbp += n * sizeof(float);
+			}
+			break;
+		    case cmd_opv_enable_clip:
+			pcpath = (use_clip ? &clip_path : NULL);
+			if_debug0('L', "\n");
+			break;
+		    case cmd_opv_disable_clip:
+			pcpath = NULL;
+			if_debug0('L', "\n");
+			break;
+		    case cmd_opv_begin_clip:
+			pcpath = NULL;
+			if_debug0('L', "\n");
+			code = gx_cpath_reset(&clip_path);
+			if (code < 0)
+			    goto out;
+			gx_cpath_accum_begin(&clip_accum, mem);
+			gx_cpath_accum_set_cbox(&clip_accum,
+						&target_box);
+			tdev = (gx_device *)&clip_accum;
+			clip_save.lop_enabled = state.lop_enabled;
+			clip_save.fill_adjust =
+			    imager_state.fill_adjust;
+			state.lop_enabled = false;
+			imager_state.log_op = lop_default;
+			imager_state.fill_adjust.x =
+			    imager_state.fill_adjust.y = fixed_half;
+			break;
+		    case cmd_opv_end_clip:
+			if_debug0('L', "\n");
+			gx_cpath_accum_end(&clip_accum, &clip_path);
+			gx_cpath_set_outside(&clip_path, *cbp++);
+			tdev = target;
+			/*
+			 * If the entire band falls within the clip
+			 * path, no clipping is needed.
+			 */
+			{
+			    gs_fixed_rect cbox;
+
+			    gx_cpath_inner_box(&clip_path, &cbox);
+			    use_clip =
+				!(cbox.p.x <= target_box.p.x &&
+				  cbox.q.x >= target_box.q.x &&
+				  cbox.p.y <= target_box.p.y &&
+				  cbox.q.y >= target_box.q.y);
+			}
+			pcpath = (use_clip ? &clip_path : NULL);
+			state.lop_enabled = clip_save.lop_enabled;
+			imager_state.log_op =
+			    (state.lop_enabled ? state.lop :
+			     lop_default);
+			imager_state.fill_adjust =
+			    clip_save.fill_adjust;
+			break;
+		    case cmd_opv_set_color_space:
+			{
+			    byte b = *cbp++;
+			    int index = b >> 4;
+
+			    if_debug2('L', " %d%s\n", index,
+				      (b & 8 ? " (indexed)" : ""));
+			    switch (index) {
+				case gs_color_space_index_DeviceGray:
+				    pcs = gs_cspace_DeviceGray(&imager_state);
+				    break;
+				case gs_color_space_index_DeviceRGB:
+				    pcs = gs_cspace_DeviceRGB(&imager_state);
+				    break;
+				case gs_color_space_index_DeviceCMYK:
+				    pcs = gs_cspace_DeviceCMYK(&imager_state);
+				    break;
+				default:
+				    goto bad_op;	/* others are NYI */
+			    }
+			    if (b & 8) {
+#if 0	/****************/
+				int num_comp =
+				    gs_color_space_num_components(pcs);
+
+				/****** SET map ******/
+#endif	/****************/
+				color_space.type =
+				    &gs_color_space_type_Indexed;
+				color_space.params.indexed.base_space.type =
+				    pcs->type;
+				cmd_getw(color_space.params.indexed.hival,
+					 cbp);
+				color_space.params.indexed.use_proc =
+				    (b & 4) != 0;
+				pcs = &color_space;
+			    }
+			}
+			break;
+		    case cmd_opv_begin_image:
+			cbuf.ptr = cbp;
+			code = read_begin_image(&cbuf, &image,
+						&image_num_planes,
+						&image_rect, pcs);
+			cbp = cbuf.ptr;
+			if (code < 0)
+			    goto out;
+			{
+			    gx_drawing_color devc;
+
+			    color_set_pure(&devc, state.colors[1]);
+			    code = (*dev_proc(tdev, begin_image))
+				(tdev, &imager_state, &image, image.format,
+				 &image_rect, &devc, pcpath, mem,
+				 &image_info);
+			    if (code < 0)
+				goto out;
+			}
+			break;
+		    case cmd_opv_image_data:
+			{
+			    uint height;
+
+			    cmd_getw(height, cbp);
+			    if (height == 0) {
+				if_debug0('L', " done image\n");
+				code = gx_image_end(image_info, true);
+			    } else {
+				uint bytes_per_plane, nbytes;
+				const byte *data;
+				byte *data_on_heap = 0;
+				const byte *planes[64];
+
+/****** DOESN'T HANDLE #PLANES YET *****/
+
+				cmd_getw(bytes_per_plane, cbp);
+				if_debug2('L', " height=%u raster=%u\n",
+					  height, bytes_per_plane);
+				nbytes = bytes_per_plane *
+				    image_num_planes * height;
+				if ( cbuf.end - cbp < nbytes)
+				    cbp = top_up_cbuf(&cbuf, cbp);
+				if (cbuf.end - cbp >= nbytes) {
+				    data = cbp;
+				    cbp += nbytes;
+				} else {
+				    uint cleft = cbuf.end - cbp;
+				    uint rleft = nbytes - cleft;
+				    byte *rdata;
+
+				    if (nbytes > cbuf.end - cbuf.data) {	/* Allocate a separate buffer. */
+					rdata = data_on_heap =
+					    gs_alloc_bytes(mem, nbytes,
+							"clist image_data");
+					if (rdata == 0) {
+					    code = gs_note_error(gs_error_VMerror);
+					    goto out;
+					}
+				    } else
+					rdata = cbuf.data;
+				    memmove(rdata, cbp, cleft);
+				    sgets(s, rdata + cleft, rleft,
+					  &rleft);
+				    data = rdata;
+				    cbp = cbuf.end;	/* force refill */
+				}
+#ifdef DEBUG
+				if (gs_debug_c('L'))
+				    cmd_print_bits(data, image_rect.q.x -
+						   image_rect.p.x,
+						   image_num_planes * height,
+						   bytes_per_plane);
+#endif
+				{
+				    int plane;
+
+				    for (plane = 0;
+					 plane < image_num_planes;
+					 ++plane
+					)
+					planes[plane] = data +
+					    bytes_per_plane * height * plane;
+				}
+				code = gx_image_data(image_info, planes,
+						     data_x, bytes_per_plane,
+						     height);
+				if (data_on_heap)
+				    gs_free_object(mem, data_on_heap,
+						   "clist image_data");
+				data_x = 0;
+			    }
+			}
+			if (code < 0)
+			    goto out;
+			continue;
+		    case cmd_opv_set_color:
+			{
+#define dcb dev_color.colors.colored.c_base
+#define dcl dev_color.colors.colored.c_level
+			    byte b = *cbp++;
+			    int i;
+
+			    switch (b >> 4) {
+				case 0:
+				    dcb[0] = (b >> 3) & 1;
+				    dcb[1] = (b >> 2) & 1;
+				    dcb[2] = (b >> 1) & 1;
+				    dcb[3] = b & 1;
+				    break;
+				case 1:
+				    dcb[0] = ((b & 0xf) << 1) + (*cbp >> 7);
+				    dcb[1] = (*cbp >> 2) & 0x1f;
+				    dcb[2] = ((*cbp & 3) << 3) + (cbp[1] >> 5);
+				    dcb[3] = cbp[1] & 0x1f;
+				    cbp += 2;
+				    break;
+				default:
+				    goto bad_op;
+			    }
+			    for (i = 0; i < imager_state.dev_ht->num_comp; ++i)
+				cmd_getw(dcl[i], cbp);
+			    if_debug10('L', " format %d num_comp=%d base=(%u,%u,%u,%u) level=(%u,%u,%u,%u)\n",
+				       b >> 4,
+				       imager_state.dev_ht->num_comp,
+				       dcb[0], dcb[1], dcb[2], dcb[3],
+				       dcl[0], dcl[1], dcl[2], dcl[3]);
+			    color_finish_set_cmyk_halftone(&dev_color,
+						       imager_state.dev_ht);
+#undef dcb
+#undef dcl
+			}
+			continue;
+		    case cmd_opv_put_params:
+			cbuf.ptr = cbp;
+			code = read_put_params(&cbuf, cdev, mem);
+			cbp = cbuf.ptr;
+			if (code > 0)
+			    break; /* empty list */
+			if (code < 0)
+			    goto out;
+			if (playback_action == playback_action_setup)
+			    goto out;
+			break;
+		    default:
+			goto bad_op;
+		}
+		continue;
+	    case cmd_op_segment >> 4:
+		{
+		    fixed vs[6];
+		    int i, code;
+
+		    if (!in_path) {
+			ppos.x = int2fixed(state.rect.x);
+			ppos.y = int2fixed(state.rect.y);
+			if_debug2('L', " (%d,%d)", state.rect.x,
+				  state.rect.y);
+			notes = sn_none;
+			in_path = true;
+		    }
+		    for (i = 0;
+			 i < clist_segment_op_num_operands[op & 0xf];
+			 ++i
+			) {
+			fixed v;
+			int b = *cbp;
+
+			switch (b >> 5) {
+			    case 0:
+			    case 1:
+				vs[i++] =
+				    ((fixed) ((b ^ 0x20) - 0x20) << 13) +
+				    ((int)cbp[1] << 5) + (cbp[2] >> 3);
+				if_debug1('L', " %g", fixed2float(vs[i - 1]));
+				cbp += 2;
+				v = (int)((*cbp & 7) ^ 4) - 4;
+				break;
+			    case 2:
+			    case 3:
+				v = (b ^ 0x60) - 0x20;
+				break;
+			    case 4:
+			    case 5:
+				/*
+				 * Without the following cast, C's
+				 * brain-damaged coercion rules cause the
+				 * result to be considered unsigned, and not
+				 * sign-extended on machines where
+				 * sizeof(long) > sizeof(int).
+				 */
+				v = (((b ^ 0xa0) - 0x20) << 8) + (int)*++cbp;
+				break;
+			    case 6:
+				v = (b ^ 0xd0) - 0x10;
+				vs[i] =
+				    ((v << 8) + cbp[1]) << (_fixed_shift - 2);
+				if_debug1('L', " %g", fixed2float(vs[i]));
+				cbp += 2;
+				continue;
+			    default /*case 7 */ :
+				v = (int)(*++cbp ^ 0x80) - 0x80;
+				for (b = 0; b < sizeof(fixed) - 3; ++b)
+				    v = (v << 8) + *++cbp;
+				break;
+			}
+			cbp += 3;
+			/* Absent the cast in the next statement, */
+			/* the Borland C++ 4.5 compiler incorrectly */
+			/* sign-extends the result of the shift. */
+			vs[i] = (v << 16) + (uint) (cbp[-2] << 8) + cbp[-1];
+			if_debug1('L', " %g", fixed2float(vs[i]));
+		    }
+		    if_debug0('L', "\n");
+		    code = clist_decode_segment(&path, op, vs, &ppos,
+						x0, y0, notes);
+		    if (code < 0)
+			goto out;
+		}
+		continue;
+	    case cmd_op_path >> 4:
+		{
+		    gx_device_color devc;
+		    gx_device_color *pdevc;
+		    gx_ht_tile ht_tile;
+
+		    if_debug0('L', "\n");
+		    switch (op) {
+			case cmd_opv_fill:
+			    fill_params.rule = gx_rule_winding_number;
+			    goto fill_pure;
+			case cmd_opv_eofill:
+			    fill_params.rule = gx_rule_even_odd;
+			  fill_pure:color_set_pure(&devc, state.colors[1]);
+			    pdevc = &devc;
+			    goto fill;
+			case cmd_opv_htfill:
+			    fill_params.rule = gx_rule_winding_number;
+			    goto fill_ht;
+			case cmd_opv_hteofill:
+			    fill_params.rule = gx_rule_even_odd;
+			  fill_ht:ht_tile.tiles = state_tile;
+			    color_set_binary_tile(&devc,
+						  state.tile_colors[0],
+						  state.tile_colors[1],
+						  &ht_tile);
+			    pdevc = &devc;
+			    pdevc->phase = tile_phase;
+			    goto fill;
+			case cmd_opv_colorfill:
+			    fill_params.rule = gx_rule_winding_number;
+			    goto fill_color;
+			case cmd_opv_coloreofill:
+			    fill_params.rule = gx_rule_even_odd;
+			  fill_color:pdevc = &dev_color;
+			    pdevc->phase = tile_phase;
+			    code =
+				gx_color_load(pdevc, &imager_state, tdev);
+			    if (code < 0)
+				break;
+			  fill:fill_params.adjust = imager_state.fill_adjust;
+			    fill_params.flatness = imager_state.flatness;
+			    code = gx_fill_path_only(&path, tdev,
+						     &imager_state,
+						     &fill_params,
+						     pdevc, pcpath);
+			    break;
+			case cmd_opv_stroke:
+			    color_set_pure(&devc, state.colors[1]);
+			    pdevc = &devc;
+			    goto stroke;
+			case cmd_opv_htstroke:
+			    ht_tile.tiles = state_tile;
+			    color_set_binary_tile(&devc,
+						  state.tile_colors[0],
+						  state.tile_colors[1],
+						  &ht_tile);
+			    pdevc = &devc;
+			    pdevc->phase = tile_phase;
+			    goto stroke;
+			case cmd_opv_colorstroke:
+			    pdevc = &dev_color;
+			    pdevc->phase = tile_phase;
+			    code =
+				gx_color_load(pdevc, &imager_state, tdev);
+			    if (code < 0)
+				break;
+			  stroke:stroke_params.flatness = imager_state.flatness;
+			    code = gx_stroke_path_only(&path,
+						       (gx_path *) 0, tdev,
+					      &imager_state, &stroke_params,
+						       pdevc, pcpath);
+			    break;
+			default:
+			    goto bad_op;
+		    }
+		}
+		if (in_path) {	/* path might be empty! */
+		    state.rect.x = fixed2int_var(ppos.x);
+		    state.rect.y = fixed2int_var(ppos.y);
+		    in_path = false;
+		}
+		gx_path_free(&path, "clist_render_band");
+		gx_path_init_local(&path, mem);
+		if (code < 0)
+		    goto out;
+		continue;
+	    default:
+	      bad_op:lprintf5("Bad op %02x band y0 = %d file pos %ld buf pos %d/%d\n",
+		 op, y0, stell(s), (int)(cbp - cbuf.data), (int)(cbuf.end - cbuf.data));
+		{
+		    const byte *pp;
+
+		    for (pp = cbuf.data; pp < cbuf.end; pp += 10) {
+			dlprintf1("%4d:", (int)(pp - cbuf.data));
+			dprintf10(" %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+				  pp[0], pp[1], pp[2], pp[3], pp[4],
+				  pp[5], pp[6], pp[7], pp[8], pp[9]);
+		    }
+		}
+		code = gs_note_error(gs_error_Fatal);
+		goto out;
+	}
+	if_debug4('L', " x=%d y=%d w=%d h=%d\n",
+		  state.rect.x, state.rect.y, state.rect.width,
+		  state.rect.height);
+	switch (op >> 4) {
+	    case cmd_op_fill_rect >> 4:
+	    case cmd_op_fill_rect_short >> 4:
+	    case cmd_op_fill_rect_tiny >> 4:
+		if (!state.lop_enabled) {
+		    code = (*dev_proc(tdev, fill_rectangle))
+			(tdev, state.rect.x - x0, state.rect.y - y0,
+			 state.rect.width, state.rect.height,
+			 state.colors[1]);
+		    break;
+		}
+		source = NULL;
+		data_x = 0;
+		raster = 0;
+		colors[0] = colors[1] = state.colors[1];
+		log_op = state.lop;
+		pcolor = colors;
+	      do_rop:code = (*dev_proc(tdev, strip_copy_rop))
+		    (tdev, source, data_x, raster, gx_no_bitmap_id,
+		     pcolor, &state_tile,
+		     (state.tile_colors[0] == gx_no_color_index &&
+		      state.tile_colors[1] == gx_no_color_index ?
+		      NULL : state.tile_colors),
+		     state.rect.x - x0, state.rect.y - y0,
+		     state.rect.width - data_x, state.rect.height,
+		     tile_phase.x, tile_phase.y, log_op);
+		data_x = 0;
+		break;
+	    case cmd_op_tile_rect >> 4:
+	    case cmd_op_tile_rect_short >> 4:
+	    case cmd_op_tile_rect_tiny >> 4:
+		/* Currently we don't use lop with tile_rectangle. */
+		code = (*dev_proc(tdev, strip_tile_rectangle))
+		    (tdev, &state_tile,
+		     state.rect.x - x0, state.rect.y - y0,
+		     state.rect.width, state.rect.height,
+		     state.tile_colors[0], state.tile_colors[1],
+		     tile_phase.x, tile_phase.y);
+		break;
+	    case cmd_op_copy_mono >> 4:
+		if (state.lop_enabled) {
+		    pcolor = state.colors;
+		    log_op = state.lop;
+		    goto do_rop;
+		}
+		if ((op & cmd_copy_use_tile) || pcpath != NULL) {	/*
+									 * This call of copy_mono originated as a call
+									 * of fill_mask.
+									 */
+		    gx_drawing_color dcolor;
+		    gx_ht_tile ht_tile;
+
+		    if (op & cmd_copy_ht_color) {	/* Screwy C assignment rules don't allow: */
+			/* dcolor.colors = state.tile_colors; */
+			ht_tile.tiles = state_tile;
+			color_set_binary_tile(&dcolor,
+					      state.tile_colors[0],
+					    state.tile_colors[1], &ht_tile);
+			dcolor.phase = tile_phase;
+		    } else {
+			color_set_pure(&dcolor, state.colors[1]);
+		    }
+		    code = (*dev_proc(tdev, fill_mask))
+			(tdev, source, data_x, raster, gx_no_bitmap_id,
+			 state.rect.x - x0, state.rect.y - y0,
+			 state.rect.width - data_x, state.rect.height,
+			 &dcolor, 1, imager_state.log_op, pcpath);
+		} else
+		    code = (*dev_proc(tdev, copy_mono))
+			(tdev, source, data_x, raster, gx_no_bitmap_id,
+			 state.rect.x - x0, state.rect.y - y0,
+			 state.rect.width - data_x, state.rect.height,
+			 state.colors[0], state.colors[1]);
+		data_x = 0;
+		break;
+	    case cmd_op_copy_color_alpha >> 4:
+		if (state.color_is_alpha) {
+/****** CAN'T DO ROP WITH ALPHA ******/
+		    code = (*dev_proc(tdev, copy_alpha))
+			(tdev, source, data_x, raster, gx_no_bitmap_id,
+			 state.rect.x - x0, state.rect.y - y0,
+			 state.rect.width - data_x, state.rect.height,
+			 state.colors[1], depth);
+		} else {
+		    if (state.lop_enabled) {
+			pcolor = NULL;
+			log_op = state.lop;
+			goto do_rop;
+		    }
+		    code = (*dev_proc(tdev, copy_color))
+			(tdev, source, data_x, raster, gx_no_bitmap_id,
+			 state.rect.x - x0, state.rect.y - y0,
+			 state.rect.width - data_x, state.rect.height);
+		}
+		data_x = 0;
+		break;
+	    default:		/* can't happen */
+		goto bad_op;
+	}
+    }
+    /* Clean up before we exit. */
+  out:gx_cpath_free(&clip_path, "clist_render_band exit");
+    gx_path_free(&path, "clist_render_band exit");
+    if (imager_state.ht_cache)
+	gx_ht_free_cache(mem, imager_state.ht_cache);
+    gx_device_halftone_release(&dev_ht, mem);
+    gs_imager_state_release(&imager_state);
+    gs_free_object(mem, data_bits, "clist_playback_band(data_bits)");
+    if (code < 0)
+	return_error(code);
+    /* Check whether we have more pages to process. */
+    if (playback_action != playback_action_setup && 
+	(cbp < cbuf.end || !seofp(s))
+	)
+	goto in;
+    return code;
+}
+
+/* ---------------- Individual commands ---------------- */
+
+/*
+ * These single-use procedures implement a few large individual commands,
+ * primarily for readability but also to avoid overflowing compilers'
+ * optimization limits.  They all take the command buffer as their first
+ * parameter (pcb), assume that the current buffer pointer is in pcb->ptr,
+ * and update it there.
+ */
+
+private int
+read_set_tile_size(command_buf_t *pcb, tile_slot *bits)
+{
+    const byte *cbp = pcb->ptr;
+    uint rep_width, rep_height;
+    byte bd = *cbp++;
+
+    bits->cb_depth = (bd & 31) + 1;
+    cmd_getw(rep_width, cbp);
+    cmd_getw(rep_height, cbp);
+    if (bd & 0x20) {
+	cmd_getw(bits->x_reps, cbp);
+	bits->width = rep_width * bits->x_reps;
+    } else {
+	bits->x_reps = 1;
+	bits->width = rep_width;
+    }
+    if (bd & 0x40) {
+	cmd_getw(bits->y_reps, cbp);
+	bits->height = rep_height * bits->y_reps;
+    } else {
+	bits->y_reps = 1;
+	bits->height = rep_height;
+    }
+    if (bd & 0x80)
+	cmd_getw(bits->rep_shift, cbp) /* MRS: No trailing ; */
+    else
+	bits->rep_shift = 0;
+    if_debug6('L', " depth=%d size=(%d,%d), rep_size=(%d,%d), rep_shift=%d\n",
+	      bits->cb_depth, bits->width,
+	      bits->height, rep_width,
+	      rep_height, bits->rep_shift);
+    bits->shift =
+	(bits->rep_shift == 0 ? 0 :
+	 (bits->rep_shift * (bits->height / rep_height)) % rep_width);
+    bits->cb_raster = bitmap_raster(bits->width * bits->cb_depth);
+    pcb->ptr = cbp;
+    return 0;
+}
+
+private int
+read_set_bits(command_buf_t *pcb, tile_slot *bits, int compress,
+	      gx_clist_state *pcls, gx_strip_bitmap *tile, tile_slot **pslot,
+	      gx_device_clist_reader *cdev, gs_memory_t *mem)
+{
+    const byte *cbp = pcb->ptr;
+    uint rep_width = bits->width / bits->x_reps;
+    uint rep_height = bits->height / bits->y_reps;
+    uint index;
+    ulong offset;
+    uint width_bits = rep_width * bits->cb_depth;
+    uint width_bytes;
+    uint raster;
+    uint bytes =
+	clist_bitmap_bytes(width_bits, rep_height,
+			   compress |
+			   (rep_width < bits->width ?
+			    decompress_spread : 0) |
+			   decompress_elsewhere,
+			   &width_bytes,
+			   (uint *)&raster);
+    byte *data;
+    tile_slot *slot;
+
+    cmd_getw(index, cbp);
+    cmd_getw(offset, cbp);
+    if_debug2('L', " index=%d offset=%lu\n", pcls->tile_index, offset);
+    pcls->tile_index = index;
+    cdev->tile_table[pcls->tile_index].offset = offset;
+    slot = (tile_slot *)(cdev->chunk.data + offset);
+    *pslot = slot;
+    *slot = *bits;
+    tile->data = data = (byte *)(slot + 1);
+#ifdef DEBUG
+    slot->index = pcls->tile_index;
+#endif
+    if (compress) {
+	/*
+	 * Decompress the image data.  We'd like to share this code with the
+	 * similar code in copy_*, but right now we don't see how.
+	 */
+	stream_cursor_read r;
+	stream_cursor_write w;
+	/*
+	 * We don't know the data length a priori, so to be conservative, we
+	 * read the uncompressed size.
+	 */
+	uint cleft = pcb->end - cbp;
+
+	if (cleft < bytes) {
+	    uint nread = cbuf_size - cleft;
+
+	    memmove(pcb->data, cbp, cleft);
+	    pcb->end_status = sgets(pcb->s, pcb->data + cleft, nread, &nread);
+	    set_cb_end(pcb, pcb->data + cleft + nread);
+	    cbp = pcb->data;
+	}
+	r.ptr = cbp - 1;
+	r.limit = pcb->end - 1;
+	w.ptr = data - 1;
+	w.limit = w.ptr + bytes;
+	switch (compress) {
+	case cmd_compress_rle:
+	    {
+		stream_RLD_state sstate;
+
+		clist_rld_init(&sstate);
+		(*s_RLD_template.process)
+		    ((stream_state *)&sstate, &r, &w, true);
+	    }
+	    break;
+	case cmd_compress_cfe:
+	    {
+		stream_CFD_state sstate;
+
+		clist_cfd_init(&sstate,
+			       width_bytes << 3 /*width_bits */ ,
+			       rep_height, mem);
+		(*s_CFD_template.process)
+		    ((stream_state *)&sstate, &r, &w, true);
+		(*s_CFD_template.release)
+		    ((stream_state *)&sstate);
+	    }
+	    break;
+	default:
+	    return_error(gs_error_unregistered);
+	}
+	cbp = r.ptr + 1;
+    } else if (rep_height > 1 && width_bytes != bits->cb_raster) {
+	cbp = cmd_read_short_bits(pcb, data,
+				  width_bytes, rep_height,
+				  bits->cb_raster, cbp);
+    } else {
+	cbp = cmd_read_data(pcb, data, bytes, cbp);
+    }
+    if (bits->width > rep_width)
+	bits_replicate_horizontally(data,
+				    rep_width * bits->cb_depth, rep_height,
+				    bits->cb_raster,
+				    bits->width * bits->cb_depth,
+				    bits->cb_raster);
+    if (bits->height > rep_height)
+	bits_replicate_vertically(data,
+				  rep_height, bits->cb_raster,
+				  bits->height);
+#ifdef DEBUG
+    if (gs_debug_c('L'))
+	cmd_print_bits(data, bits->width, bits->height, bits->cb_raster);
+#endif
+    pcb->ptr = cbp;
+    return 0;
+}
+
+private int
+read_set_ht_order(command_buf_t *pcb, gx_device_halftone *pdht,
+		  gx_ht_order **pporder, gs_memory_t *mem)
+{
+    const byte *cbp = pcb->ptr;
+    gx_ht_order *porder;
+    uint *levels;
+    gx_ht_bit *bits;
+    int index;
+    gx_ht_order new_order;
+
+    cmd_getw(index, cbp);
+    if (index == 0)
+	porder = &pdht->order;
+    else {
+	gx_ht_order_component *pcomp = &pdht->components[index - 1];
+
+	cmd_getw(pcomp->cname, cbp);
+	if_debug1('L', " cname=%lu", (ulong) pcomp->cname);
+	porder = &pcomp->corder;
+    }
+    *pporder = porder;
+    new_order = *porder;
+    cmd_getw(new_order.width, cbp);
+    cmd_getw(new_order.height, cbp);
+    cmd_getw(new_order.raster, cbp);
+    cmd_getw(new_order.shift, cbp);
+    cmd_getw(new_order.num_levels, cbp);
+    cmd_getw(new_order.num_bits, cbp);
+    pcb->ptr = cbp;
+    if_debug7('L', " index=%d size=(%d,%d) raster=%d shift=%d num_levels=%d num_bits=%d\n",
+	      index, new_order.width, new_order.height,
+	      new_order.raster, new_order.shift,
+	      new_order.num_levels, new_order.num_bits);
+    levels = porder->levels;
+    bits = porder->bits;
+    /*
+     * Note that for resizing a byte array, the element size is 1 byte,
+     * not the element size given to alloc_byte_array!
+     */
+    if (new_order.num_levels > porder->num_levels) {
+	if (levels == 0)
+	    levels = (uint *) gs_alloc_byte_array(mem, new_order.num_levels,
+						  sizeof(*levels),
+						  "ht order(levels)");
+	else
+	    levels = gs_resize_object(mem, levels,
+				      new_order.num_levels * sizeof(*levels),
+				      "ht order(levels)");
+	if (levels == 0)
+	    return_error(gs_error_VMerror);
+	/* Update porder in case we bail out. */
+	porder->levels = levels;
+	porder->num_levels = new_order.num_levels;
+    }
+    if (new_order.num_bits > porder->num_bits) {
+	if (bits == 0)
+	    bits = (gx_ht_bit *) gs_alloc_byte_array(mem, new_order.num_bits,
+						     sizeof(*bits),
+						     "ht order(bits)");
+	else
+	    bits = gs_resize_object(mem, bits,
+				    new_order.num_bits * sizeof(*bits),
+				    "ht order(bits)");
+	if (bits == 0)
+	    return_error(gs_error_VMerror);
+    }
+    *porder = new_order;
+    porder->levels = levels;
+    porder->bits = bits;
+    porder->full_height = ht_order_full_height(porder);
+    return 0;
+}
+
+private int
+read_set_ht_data(command_buf_t *pcb, uint *pdata_index, gx_ht_order *porder,
+		 gx_device_halftone *pdht, gs_halftone_type halftone_type,
+		 gs_imager_state *pis, gx_device_clist_reader *cdev,
+		 gs_memory_t *mem)
+{
+    const byte *cbp = pcb->ptr;
+    int n = *cbp++;
+
+    if (*pdata_index < porder->num_levels) {	/* Setting levels */
+	byte *lptr = (byte *)(porder->levels + *pdata_index);
+
+	cbp = cmd_read_data(pcb, lptr, n * sizeof(*porder->levels), cbp);
+#ifdef DEBUG
+	if (gs_debug_c('L')) {
+	    int i;
+
+	    dprintf1(" levels[%u]", *pdata_index);
+	    for (i = 0; i < n; ++i)
+		dprintf1(" %u",
+			 porder->levels[*pdata_index + i]);
+	    dputc('\n');
+	}
+#endif
+    } else {	/* Setting bits */
+	byte *bptr = (byte *)
+	    (porder->bits + (*pdata_index - porder->num_levels));
+
+	cbp = cmd_read_data(pcb, bptr, n * sizeof(*porder->bits), cbp);
+#ifdef DEBUG
+	if (gs_debug_c('L')) {
+	    int i;
+
+	    dprintf1(" bits[%u]", *pdata_index - porder->num_levels);
+	    for (i = 0; i < n; ++i) {
+		const gx_ht_bit *pb =
+		    &porder->bits[*pdata_index - porder->num_levels + i];
+
+		dprintf2(" (%u,0x%lx)",
+			 pb->offset,
+			 (ulong) pb->mask);
+	    }
+	    dputc('\n');
+	}
+#endif
+    }
+    *pdata_index += n;
+    /* If this is the end of the data, */
+    /* install the (device) halftone. */
+    if (porder ==
+	(pdht->components != 0 ?
+	 &pdht->components[0].corder :
+	 &pdht->order) &&
+	*pdata_index == porder->num_levels + porder->num_bits
+	) {	/* Make sure we have a halftone cache. */
+	uint i;
+
+	if (pis->ht_cache == 0) {
+	    gx_ht_cache *pcache =
+		gx_ht_alloc_cache(mem,
+				  porder->num_levels + 2,
+				  gx_ht_cache_default_bits());
+
+	    if (pcache == 0)
+		return_error(gs_error_VMerror);
+	    pis->ht_cache = pcache;
+	}
+	for (i = 1; i < pdht->num_comp; ++i) {
+	    gx_ht_order *pco = &pdht->components[i].corder;
+
+	    if (!pco->cache) {
+		gx_ht_cache *pcache =
+		    gx_ht_alloc_cache(mem, 1,
+				      pco->raster * (pco->num_bits /
+						     pco->width));
+
+		if (pcache == 0)
+		    return_error(gs_error_VMerror);
+		pco->cache = pcache;
+		gx_ht_init_cache(pco->cache, pco);
+	    }
+	}
+	if (pdht->num_comp) {
+	    pdht->components[0].corder.cache = pis->ht_cache;
+	    pdht->order = pdht->components[0].corder;
+	}
+	gx_imager_dev_ht_install(pis, pdht, halftone_type,
+				 (const gx_device *)cdev);
+    }
+    pcb->ptr = cbp;
+    return 0;
+}
+
+private int
+read_begin_image(command_buf_t *pcb, gs_image_t *pim, int *pnum_planes,
+		 gs_int_rect *prect, const gs_color_space *pcs)
+{
+    const byte *cbp = pcb->ptr;
+    byte b = *cbp++;
+    int bpci = b >> 5;
+    static const byte bpc[6] = {1, 1, 2, 4, 8, 12};
+    int num_components;
+    gs_image_format_t format;
+
+    if (bpci == 0)
+	gs_image_t_init_mask(pim, false);
+    else
+	gs_image_t_init(pim, pcs);
+    if (b & (1 << 4)) {
+	byte b2 = *cbp++;
+
+	format = b2 >> 6;
+	pim->Interpolate = (b2 & (1 << 5)) != 0;
+	pim->Alpha = (gs_image_alpha_t) ((b2 >> 3) & 3);
+    } else {
+	format = gs_image_format_chunky;
+    }
+    pim->format = format;
+    cmd_getw(pim->Width, cbp);
+    cmd_getw(pim->Height, cbp);
+    if_debug4('L', " BPCi=%d I=%d size=(%d,%d)",
+	      bpci, (b & 0x10) != 0, pim->Width, pim->Height);
+    if (b & (1 << 3)) {		/* Non-standard ImageMatrix */
+	cbp = cmd_read_matrix(
+			      &pim->ImageMatrix, cbp);
+	if_debug6('L', " matrix=[%g %g %g %g %g %g]",
+		  pim->ImageMatrix.xx, pim->ImageMatrix.xy,
+		  pim->ImageMatrix.yx, pim->ImageMatrix.yy,
+		  pim->ImageMatrix.tx, pim->ImageMatrix.ty);
+    } else {
+	pim->ImageMatrix.xx = pim->Width;
+	pim->ImageMatrix.xy = 0;
+	pim->ImageMatrix.yx = 0;
+	pim->ImageMatrix.yy = -pim->Height;
+	pim->ImageMatrix.tx = 0;
+	pim->ImageMatrix.ty = pim->Height;
+    }
+    pim->BitsPerComponent = bpc[bpci];
+    if (bpci == 0) {
+	num_components = 1;
+    } else {
+	pim->ColorSpace = pcs;
+	if (gs_color_space_get_index(pcs) == gs_color_space_index_Indexed) {
+	    pim->Decode[0] = 0;
+	    pim->Decode[1] = (1 << pim->BitsPerComponent) - 1;
+	} else {
+	    static const float decode01[] = {
+		0, 1, 0, 1, 0, 1, 0, 1, 0, 1
+	    };
+
+	    memcpy(pim->Decode, decode01, sizeof(pim->Decode));
+	}
+	num_components = gs_color_space_num_components(pcs);
+    }
+    switch (format) {
+    case gs_image_format_chunky:
+	*pnum_planes = 1;
+	break;
+    case gs_image_format_component_planar:
+	*pnum_planes = num_components;
+	break;
+    case gs_image_format_bit_planar:
+	*pnum_planes = num_components * pim->BitsPerComponent;
+	break;
+    default:
+	return_error(gs_error_unregistered);
+    }
+    if (b & (1 << 2)) {		/* Non-standard Decode */
+	byte dflags = *cbp++;
+	int i;
+
+	for (i = 0; i < num_components * 2; dflags <<= 2, i += 2)
+	    switch ((dflags >> 6) & 3) {
+	    case 0:	/* default */
+		break;
+	    case 1:	/* swapped default */
+		pim->Decode[i] = pim->Decode[i + 1];
+		pim->Decode[i + 1] = 0;
+		break;
+	    case 3:
+		cmd_get_value(pim->Decode[i], cbp);
+		/* falls through */
+	    case 2:
+		cmd_get_value(pim->Decode[i + 1], cbp);
+	    }
+#ifdef DEBUG
+	if (gs_debug_c('L')) {
+	    dputs(" decode=[");
+	    for (i = 0; i < num_components * 2; ++i)
+		dprintf1("%g ", pim->Decode[i]);
+	    dputc(']');
+	}
+#endif
+    }
+    pim->adjust = false;
+    if (b & (1 << 1)) {
+	if (pim->ImageMask)
+	    pim->adjust = true;
+	else
+	    pim->CombineWithColor = true;
+	if_debug1('L', " %s",
+		  (pim->ImageMask ? " adjust" : " CWC"));
+    }
+    if (b & (1 << 0)) {		/* Non-standard rectangle */
+	uint diff;
+
+	cmd_getw(prect->p.x, cbp);
+	cmd_getw(prect->p.y, cbp);
+	cmd_getw(diff, cbp);
+	prect->q.x = pim->Width - diff;
+	cmd_getw(diff, cbp);
+	prect->q.y = pim->Height - diff;
+	if_debug4('L', " rect=(%d,%d),(%d,%d)",
+		  prect->p.x, prect->p.y,
+		  prect->q.x, prect->q.y);
+    } else {
+	prect->p.x = 0;
+	prect->p.y = 0;
+	prect->q.x = pim->Width;
+	prect->q.y = pim->Height;
+    }
+    if_debug0('L', "\n");
+    pcb->ptr = cbp;
+    return 0;
+}
+
+private int
+read_put_params(command_buf_t *pcb, gx_device_clist_reader *cdev,
+		gs_memory_t *mem)
+{
+    const byte *cbp = pcb->ptr;
+    gs_c_param_list param_list;
+    uint cleft;
+    uint rleft;
+    bool alloc_data_on_heap = false;
+    byte *param_buf;
+    uint param_length;
+    int code = 0;
+
+    cmd_get_value(param_length, cbp);
+    if_debug1('L', " length=%d\n", param_length);
+    if (param_length == 0) {
+	code = 1;		/* empty list */
+	goto out;
+    }
+
+    /* Make sure entire serialized param list is in cbuf */
+    /* + force void* alignment */
+    cbp = top_up_cbuf(pcb, cbp);
+    if (pcb->end - cbp >= param_length) {
+	param_buf = (byte *)cbp;
+	cbp += param_length;
+    } else {
+	/* NOTE: param_buf must be maximally aligned */
+	param_buf = gs_alloc_bytes(mem, param_length,
+				   "clist put_params");
+	if (param_buf == 0) {
+	    code = gs_note_error(gs_error_VMerror);
+	    goto out;
+	}
+	alloc_data_on_heap = true;
+	cleft = pcb->end - cbp;
+	rleft = param_length - cleft;
+	memmove(param_buf, cbp, cleft);
+	pcb->end_status = sgets(pcb->s, param_buf + cleft, rleft, &rleft);
+	cbp = pcb->end;  /* force refill */
+    }
+
+    /*
+     * Create a gs_c_param_list & expand into it.
+     * NB that gs_c_param_list doesn't copy objects into
+     * it, but rather keeps *pointers* to what's passed.
+     * That's OK because the serialized format keeps enough
+     * space to hold expanded versions of the structures,
+     * but this means we cannot deallocate source buffer
+     * until the gs_c_param_list is deleted.
+     */
+    gs_c_param_list_write(&param_list, mem);
+    code = gs_param_list_unserialize
+	( (gs_param_list *)&param_list, param_buf );
+    if (code >= 0 && code != param_length)
+	code = gs_error_unknownerror;  /* must match */
+    if (code >= 0) {
+	gs_c_param_list_read(&param_list);
+	code = (*dev_proc(cdev, put_params))
+	    ((gx_device *)cdev, (gs_param_list *)&param_list);
+    }
+    gs_c_param_list_release(&param_list);
+    if (alloc_data_on_heap)
+	gs_free_object(mem, param_buf, "clist put_params");
+
+out:
+    pcb->ptr = cbp;
+    return code;
+}
+
+/* ---------------- Utilities ---------------- */
+
+/* Read and unpack a short bitmap */
+private const byte *
+cmd_read_short_bits(command_buf_t *pcb, byte *data, int width_bytes,
+		    int height, uint raster, const byte *cbp)
+{
+    uint bytes = width_bytes * height;
+    const byte *pdata = data /*src*/ + bytes;
+    byte *udata = data /*dest*/ + height * raster;
+
+    cbp = cmd_read_data(pcb, data, width_bytes * height, cbp);
+    while (--height >= 0) {
+	udata -= raster, pdata -= width_bytes;
+	switch (width_bytes) {
+	    default:
+		memmove(udata, pdata, width_bytes);
+		break;
+	    case 6:
+		udata[5] = pdata[5];
+	    case 5:
+		udata[4] = pdata[4];
+	    case 4:
+		udata[3] = pdata[3];
+	    case 3:
+		udata[2] = pdata[2];
+	    case 2:
+		udata[1] = pdata[1];
+	    case 1:
+		udata[0] = pdata[0];
+	    case 0:;		/* shouldn't happen */
+	}
+    }
+    return cbp;
+}
+
+/* Read a rectangle. */
+private const byte *
+cmd_read_rect(int op, gx_cmd_rect * prect, const byte * cbp)
+{
+    cmd_getw(prect->x, cbp);
+    if (op & 0xf)
+	prect->y += ((op >> 2) & 3) - 2;
+    else {
+	cmd_getw(prect->y, cbp);
+    }
+    cmd_getw(prect->width, cbp);
+    if (op & 0xf)
+	prect->height += (op & 3) - 2;
+    else {
+	cmd_getw(prect->height, cbp);
+    }
+    return cbp;
+}
+
+/* Read a transformation matrix. */
+private const byte *
+cmd_read_matrix(gs_matrix * pmat, const byte * cbp)
+{
+    byte b = *cbp++;
+    float coeff[6];
+    int i;
+
+    for (i = 0; i < 4; i += 2, b <<= 2)
+	if (!(b & 0xc0))
+	    coeff[i] = coeff[i ^ 3] = 0.0;
+	else {
+	    float value;
+
+	    cmd_get_value(value, cbp);
+	    coeff[i] = value;
+	    switch ((b >> 6) & 3) {
+		case 1:
+		    coeff[i ^ 3] = value;
+		    break;
+		case 2:
+		    coeff[i ^ 3] = -value;
+		    break;
+		case 3:
+		    cmd_get_value(coeff[i ^ 3], cbp);
+	    }
+	}
+    for (; i < 6; ++i, b <<= 1)
+	if (b & 0x80) {
+	    cmd_get_value(coeff[i], cbp);
+	} else
+	    coeff[i] = 0.0;
+    pmat->xx = coeff[0];
+    pmat->xy = coeff[1];
+    pmat->yx = coeff[2];
+    pmat->yy = coeff[3];
+    pmat->tx = coeff[4];
+    pmat->ty = coeff[5];
+    return cbp;
+}
+
+/* Select a map for loading with data. */
+/* load = false is not possible for cmd_map_transfer*. */
+private int
+cmd_select_map(cmd_map_index map_index, bool load, gs_imager_state * pis,
+     gx_ht_order * porder, frac ** pmdata, uint * pcount, gs_memory_t * mem)
+{
+    gx_transfer_map *map;
+    gx_transfer_map **pmap;
+    const char *cname;
+
+    switch (map_index) {
+	case cmd_map_transfer:
+	    if_debug0('L', " transfer");
+	    map = pis->set_transfer.colored.gray;
+	    pis->effective_transfer.indexed[0] =
+		pis->effective_transfer.indexed[1] =
+		pis->effective_transfer.indexed[2] =
+		pis->effective_transfer.indexed[3] =
+		map;
+	    break;
+	case cmd_map_transfer_0:
+	case cmd_map_transfer_1:
+	case cmd_map_transfer_2:
+	case cmd_map_transfer_3:
+	    {
+		int i = map_index - cmd_map_transfer_0;
+
+		if_debug1('L', " transfer[%d]", i);
+		rc_unshare_struct(pis->set_transfer.indexed[i], gx_transfer_map,
+				  &st_transfer_map, mem,
+				  return_error(gs_error_VMerror),
+				  "cmd_select_map(transfer)");
+		map = pis->set_transfer.indexed[i];
+		pis->effective_transfer.indexed[i] = map;
+	    }
+	    break;
+	case cmd_map_ht_transfer:
+	    if_debug0('L', " ht transfer");
+	    /* Halftone transfer maps are never shared, but */
+	    /* rc_unshare_struct is a good way to get one allocated */
+	    /* if it hasn't been yet. */
+	    pmap = &porder->transfer;
+	    cname = "cmd_select_map(ht transfer)";
+	    goto alloc;
+	case cmd_map_black_generation:
+	    if_debug0('L', " black generation");
+	    pmap = &pis->black_generation;
+	    cname = "cmd_select_map(black generation)";
+	    goto alloc;
+	case cmd_map_undercolor_removal:
+	    if_debug0('L', " undercolor removal");
+	    pmap = &pis->undercolor_removal;
+	    cname = "cmd_select_map(undercolor removal)";
+alloc:	    if (!load) {
+		rc_decrement(*pmap, cname);
+		*pmap = 0;
+		*pmdata = 0;
+		*pcount = 0;
+		return 0;
+	    }
+	    rc_unshare_struct(*pmap, gx_transfer_map, &st_transfer_map,
+			      mem, return_error(gs_error_VMerror), cname);
+	    map = *pmap;
+	    break;
+	default:
+	    *pmdata = 0;
+	    return 0;
+    }
+    map->proc = gs_mapped_transfer;
+    *pmdata = map->values;
+    *pcount = sizeof(map->values);
+    return 0;
+}
+
+/* Resize the halftone components array if necessary. */
+private int
+cmd_resize_halftone(gx_device_halftone * pdht, uint num_comp,
+		    gs_memory_t * mem)
+{
+    if (num_comp != pdht->num_comp) {
+	gx_ht_order_component *pcomp;
+
+	/*
+	 * We must be careful not to shrink or free the components array
+	 * before releasing any relevant elements.
+	 */
+	if (num_comp < pdht->num_comp) {
+	    uint i;
+
+	    /* Don't release the default order. */
+	    for (i = pdht->num_comp; i-- > num_comp;)
+		if (pdht->components[i].corder.bits != pdht->order.bits)
+		    gx_ht_order_release(&pdht->components[i].corder, mem, true);
+	    if (num_comp == 0) {
+		gs_free_object(mem, pdht->components, "cmd_resize_halftone");
+		pcomp = 0;
+	    } else {
+		pcomp = gs_resize_object(mem, pdht->components, num_comp,
+					 "cmd_resize_halftone");
+		if (pcomp == 0) {
+		    pdht->num_comp = num_comp;	/* attempt consistency */
+		    return_error(gs_error_VMerror);
+		}
+	    }
+	} else {
+	    /* num_comp > pdht->num_comp */
+	    if (pdht->num_comp == 0)
+		pcomp = gs_alloc_struct_array(mem, num_comp,
+					      gx_ht_order_component,
+					      &st_ht_order_component_element,
+					      "cmd_resize_halftone");
+	    else
+		pcomp = gs_resize_object(mem, pdht->components, num_comp,
+					 "cmd_resize_halftone");
+	    if (pcomp == 0)
+		return_error(gs_error_VMerror);
+	    memset(&pcomp[pdht->num_comp], 0,
+		   sizeof(*pcomp) * (num_comp - pdht->num_comp));
+	}
+	pdht->num_comp = num_comp;
+	pdht->components = pcomp;
+    }
+    return 0;
+}
+
+/* ------ Path operations ------ */
+
+/* Decode a path segment. */
+private int
+clist_decode_segment(gx_path * ppath, int op, fixed vs[6],
+		 gs_fixed_point * ppos, int x0, int y0, segment_notes notes)
+{
+    fixed px = ppos->x - int2fixed(x0);
+    fixed py = ppos->y - int2fixed(y0);
+    int code;
+
+#define A vs[0]
+#define B vs[1]
+#define C vs[2]
+#define D vs[3]
+#define E vs[4]
+#define F vs[5]
+
+    switch (op) {
+	case cmd_opv_rmoveto:
+	    code = gx_path_add_point(ppath, px += A, py += B);
+	    break;
+	case cmd_opv_rlineto:
+	    code = gx_path_add_line_notes(ppath, px += A, py += B, notes);
+	    break;
+	case cmd_opv_hlineto:
+	    code = gx_path_add_line_notes(ppath, px += A, py, notes);
+	    break;
+	case cmd_opv_vlineto:
+	    code = gx_path_add_line_notes(ppath, px, py += A, notes);
+	    break;
+	case cmd_opv_rrcurveto:	/* a b c d e f => a b a+c b+d a+c+e b+d+f */
+	    E += (C += A);
+	    F += (D += B);
+curve:	    code = gx_path_add_curve_notes(ppath, px + A, py + B,
+					   px + C, py + D,
+					   px + E, py + F, notes);
+	    px += E, py += F;
+	    break;
+	case cmd_opv_hvcurveto:	/* a b c d => a 0 a+b c a+b c+d */
+hvc:	    F = C + D, D = C, E = C = A + B, B = 0;
+	    goto curve;
+	case cmd_opv_vhcurveto:	/* a b c d => 0 a b a+c b+d a+c */
+vhc:	    E = B + D, F = D = A + C, C = B, B = A, A = 0;
+	    goto curve;
+	case cmd_opv_nrcurveto:	/* a b c d => 0 0 a b a+c b+d */
+	    F = B + D, E = A + C, D = B, C = A, B = A = 0;
+	    goto curve;
+	case cmd_opv_rncurveto:	/* a b c d => a b a+c b+d a+c b+d */
+	    F = D += B, E = C += A;
+	    goto curve;
+	case cmd_opv_rmlineto:
+	    if ((code = gx_path_add_point(ppath, px += A, py += B)) < 0)
+		break;
+	    code = gx_path_add_line_notes(ppath, px += C, py += D, notes);
+	    break;
+	case cmd_opv_rm2lineto:
+	    if ((code = gx_path_add_point(ppath, px += A, py += B)) < 0 ||
+		(code = gx_path_add_line_notes(ppath, px += C, py += D,
+					       notes)) < 0
+		)
+		break;
+	    code = gx_path_add_line_notes(ppath, px += E, py += F, notes);
+	    break;
+	case cmd_opv_vqcurveto:	/* a b => VH a b TS(a,b) TS(b,a) */
+	    if ((A ^ B) < 0)
+		C = -B, D = -A;
+	    else
+		C = B, D = A;
+	    goto vhc;
+	case cmd_opv_hqcurveto:	/* a b => HV a TS(a,b) b TS(b,a) */
+	    if ((A ^ B) < 0)
+		D = -A, C = B, B = -B;
+	    else
+		D = A, C = B;
+	    goto hvc;
+	case cmd_opv_rm3lineto:
+	    if ((code = gx_path_add_point(ppath, px += A, py += B)) < 0 ||
+		(code = gx_path_add_line_notes(ppath, px += C, py += D,
+					       notes)) < 0 ||
+		(code = gx_path_add_line_notes(ppath, px += E, py += F,
+					       notes)) < 0
+		)
+		break;
+	    code = gx_path_add_line_notes(ppath, px -= C, py -= D, notes);
+	    break;
+	case cmd_opv_closepath:
+	    code = gx_path_close_subpath(ppath);
+	    gx_path_current_point(ppath, (gs_fixed_point *) vs);
+	    px = A, py = B;
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+#undef A
+#undef B
+#undef C
+#undef D
+#undef E
+#undef F
+    ppos->x = px + int2fixed(x0);
+    ppos->y = py + int2fixed(y0);
+    return code;
+}
diff --git a/pstoraster/gxclread.c b/pstoraster/gxclread.c
new file mode 100644
index 000000000..d6085e472
--- /dev/null
+++ b/pstoraster/gxclread.c
@@ -0,0 +1,517 @@
+/*
+  Copyright 1993-1999 by Easy Software Products.
+  Copyright (C) 1991, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command list reading for Ghostscript. */
+#include "memory_.h"
+#include "gx.h"
+#include "gp.h"			/* for gp_fmode_rb */
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gscoord.h"		/* requires gsmatrix.h */
+#include "gsdevice.h"		/* for gs_deviceinitialmatrix */
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxgetbit.h"
+#include "gxhttile.h"
+#include "gdevht.h"
+#include "stream.h"
+#include "strimpl.h"
+
+/* ------ Band file reading stream ------ */
+
+/*
+ * To separate banding per se from command list interpretation,
+ * we make the command list interpreter simply read from a stream.
+ * When we are actually doing banding, the stream filters the band file
+ * and only passes through the commands for the current band (or band
+ * ranges that include the current band).
+ */
+typedef struct stream_band_read_state_s {
+    stream_state_common;
+    gx_band_page_info page_info;
+    int band;
+    uint left;			/* amount of data left in this run */
+    cmd_block b_this;
+} stream_band_read_state;
+
+private int
+s_band_read_init(stream_state * st)
+{
+    stream_band_read_state *const ss = (stream_band_read_state *) st;
+
+    ss->left = 0;
+    ss->b_this.band_min = 0;
+    ss->b_this.band_max = 0;
+    ss->b_this.pos = 0;
+    clist_rewind(ss->page_bfile, false, ss->page_bfname);
+    return 0;
+}
+
+private int
+s_band_read_process(stream_state * st, stream_cursor_read * ignore_pr,
+		    stream_cursor_write * pw, bool last)
+{
+    stream_band_read_state *const ss = (stream_band_read_state *) st;
+    register byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    clist_file_ptr cfile = ss->page_cfile;
+    clist_file_ptr bfile = ss->page_bfile;
+    uint left = ss->left;
+    int status = 1;
+    uint count;
+
+    while ((count = wlimit - q) != 0) {
+	if (left) {		/* Read more data for the current run. */
+	    if (count > left)
+		count = left;
+	    clist_fread_chars(q + 1, count, cfile);
+	    if (clist_ferror_code(cfile) < 0) {
+		status = ERRC;
+		break;
+	    }
+	    q += count;
+	    left -= count;
+	    process_interrupts();
+	    continue;
+	}
+      rb:			/* Scan for the next run for this band (or a band range */
+	/* that includes the current band). */
+	if (ss->b_this.band_min == cmd_band_end &&
+	    clist_ftell(bfile) == ss->page_bfile_end_pos
+	    ) {
+	    status = EOFC;
+	    break;
+	} {
+	    int bmin = ss->b_this.band_min;
+	    int bmax = ss->b_this.band_max;
+	    long pos = ss->b_this.pos;
+
+	    clist_fread_chars(&ss->b_this, sizeof(ss->b_this), bfile);
+	    if (!(ss->band >= bmin && ss->band <= bmax))
+		goto rb;
+	    clist_fseek(cfile, pos, SEEK_SET, ss->page_cfname);
+	    left = (uint) (ss->b_this.pos - pos);
+	    if_debug5('l', "[l]reading for bands (%d,%d) at bfile %ld, cfile %ld, length %u\n",
+		      bmin, bmax,
+		      clist_ftell(bfile) - 2 * sizeof(ss->b_this),
+		      pos, left);
+	}
+    }
+    pw->ptr = q;
+    ss->left = left;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_band_read_template = {
+    &st_stream_state, s_band_read_init, s_band_read_process, 1, cbuf_size
+};
+
+
+/* ------ Reading/rendering ------ */
+
+/* Forward references */
+
+private int clist_render_init(P1(gx_device_clist *));
+private int clist_playback_file_band(P7(clist_playback_action action,
+					gx_device_clist_reader *cdev,
+					gx_band_page_info *page_info,
+					gx_device *target,
+					int band, int x0, int y0));
+private int clist_rasterize_lines(P6(gx_device *dev, int y, int lineCount,
+				     byte *data_in, gx_device_memory *mdev,
+				     int *pmy));
+
+/*
+ * Do device setup from params stored in command list. This is only for
+ * async rendering & assumes that the first command in every command list
+ * is a put_params command which sets all space-related parameters to the
+ * value they will have for the duration of that command list.
+ */
+int
+clist_setup_params(gx_device *dev)
+{
+    gx_device_clist_reader * const crdev =
+	&((gx_device_clist *)dev)->reader;
+    int code = clist_render_init((gx_device_clist *)dev);
+    if ( code < 0 )
+	return code;
+
+    code = clist_playback_file_band(playback_action_setup,
+				    crdev, &crdev->page_info, 0, 0, 0, 0);
+
+    /* put_params may have reinitialized device into a writer */
+    clist_render_init((gx_device_clist *)dev);
+
+    return code;
+}
+
+/* Find out where the band buffer for a given line is going to fall on the */
+/* next call to get_bits. */
+/****** THIS IS WRONG: IT DUPLICATES CODE INSIDE make_buffer_device
+ ****** AND ASSUMES THAT make_buffer_device JUST SETS UP A MEMORY DEVICE.
+ ******/
+int	/* rets # lines from y till end of buffer, or -ve error code */
+clist_locate_overlay_buffer(gx_device_printer *pdev, int y, byte **data)
+{
+    gx_device_clist_reader * const crdev =
+	&((gx_device_clist *)pdev)->reader;
+    gx_device * const dev = (gx_device *)pdev;
+    gx_device *target = crdev->target;
+
+    uint raster = gdev_mem_raster(target);
+    byte *mdata = crdev->data + crdev->page_tile_cache_size;
+    int band_height = crdev->page_band_height;
+    int band = y / band_height;
+    int band_begin_line = band * band_height;
+    int bytes_from_band_begin_to_line = (y - band_begin_line) * raster;
+    int band_end_line = band_begin_line + band_height;
+
+    if (band_end_line > dev->height)
+	band_end_line = dev->height;
+
+    /* Make sure device will rasterize on next get_bits or get_overlay_bits */
+    if ( crdev->ymin >= 0 )
+	crdev->ymin = crdev->ymax = 0;
+
+    *data = mdata + bytes_from_band_begin_to_line;
+    return band_end_line - y;	/* # lines remaining in this band */
+}
+
+/* Do more rendering to a client-supplied memory image, return results */
+int
+clist_get_overlay_bits(gx_device_printer *pdev, int y, int line_count,
+		       byte *data)
+{
+    gx_device_clist_reader * const crdev =
+	&((gx_device_clist *)pdev)->reader;
+    byte *data_orig = data;
+    gx_device * const dev = (gx_device *)pdev;
+    gx_device *target = crdev->target;
+    uint raster = gdev_mem_raster(target);
+    int lines_left = line_count;
+
+    /* May have to render more than once to cover requested line range */
+    while (lines_left > 0) {
+	gx_device_memory mdev;
+	int my;
+	byte *data_transformed;
+	int line_count_rasterized =
+	    clist_rasterize_lines(dev, y, lines_left, data_orig, &mdev, &my);
+	uint byte_count_rasterized = raster * line_count_rasterized;
+
+	if (line_count_rasterized < 0)
+	    return line_count_rasterized;
+	data_transformed = mdev.base + raster * my;
+	if (data_orig != data_transformed)
+	    memcpy(data_orig, data_transformed, byte_count_rasterized);
+	data_orig += byte_count_rasterized;
+	lines_left -= line_count_rasterized;
+    }
+    return 0;
+}
+
+/* Copy a rasterized rectangle to the client, rasterizing if needed. */
+int
+clist_get_bits_rectangle(gx_device *dev, const gs_int_rect * prect,
+			 gs_get_bits_params_t *params, gs_int_rect **unread)
+{
+    gs_get_bits_options_t options = params->options;
+    int y = prect->p.y;
+    int end_y = prect->q.y;
+    int line_count = end_y - y;
+    gs_int_rect band_rect;
+    int lines_rasterized;
+    gx_device_memory mdev;
+    int my;
+    int code;
+
+    if (prect->p.x < 0 || prect->q.x > dev->width ||
+	y < 0 || end_y > dev->height
+	)
+	return_error(gs_error_rangecheck);
+    if (line_count <= 0 || prect->p.x >= prect->q.x)
+	return 0;
+    code = clist_rasterize_lines(dev, y, line_count, NULL, &mdev, &my);
+    if (code < 0)
+	return code;
+    lines_rasterized = min(code, line_count);
+    /* Return as much of the rectangle as falls within the rasterized lines. */
+    band_rect = *prect;
+    band_rect.p.y = my;
+    band_rect.q.y = my + lines_rasterized;
+    code = (*dev_proc(&mdev, get_bits_rectangle))
+	((gx_device *)&mdev, &band_rect, params, unread);
+    if (code < 0 || lines_rasterized == line_count)
+	return code;
+    /*
+     * We'll have to return the rectangle in pieces.  Force GB_RETURN_COPY
+     * rather than GB_RETURN_POINTER, and require all subsequent pieces to
+     * use the same values as the first piece for all of the other format
+     * options.  If copying isn't allowed, or if there are any unread
+     * rectangles, punt.
+     */
+    if (!(options & GB_RETURN_COPY) || code > 0)
+	return gx_default_get_bits_rectangle(dev, prect, params, unread);
+    options = params->options;
+    if (!(options & GB_RETURN_COPY)) {
+	/* Redo the first piece with copying. */
+	params->options = options =
+	    (params->options & ~GB_RETURN_ALL) | GB_RETURN_COPY;
+	lines_rasterized = 0;
+    }
+    {
+	gs_get_bits_params_t band_params;
+	int num_planes =
+	    (options & GB_PACKING_CHUNKY ? 1 :
+	     options & GB_PACKING_PLANAR ? mdev.color_info.num_components :
+	     options & GB_PACKING_BIT_PLANAR ? mdev.color_info.depth :
+	     0 /****** NOT POSSIBLE ******/);
+	uint raster = gdev_mem_raster(&mdev);
+
+	band_params = *params;
+	while ((y += lines_rasterized) < end_y) {
+	    int i;
+
+	    /* Increment data pointers by lines_rasterized. */
+	    for (i = 0; i < num_planes; ++i)
+		band_params.data[i] += raster * lines_rasterized;
+	    line_count = end_y - y;
+	    code = clist_rasterize_lines(dev, y, line_count, NULL, &mdev, &my);
+	    if (code < 0)
+		return code;
+	    lines_rasterized = min(code, line_count);
+	    band_rect.p.y = my;
+	    band_rect.q.y = my + lines_rasterized;
+	    code = (*dev_proc(&mdev, get_bits_rectangle))
+		((gx_device *)&mdev, &band_rect, &band_params, unread);
+	    if (code < 0)
+		return code;
+	    params->options = options = band_params.options;
+	    if (lines_rasterized == line_count)
+		return code;
+	}
+    }
+    return 0;
+}
+
+/* Copy scan lines to the client.  This is where rendering gets done. */
+/* Processes min(requested # lines, # lines available thru end of band) */
+private int	/* returns -ve error code, or # scan lines copied */
+clist_rasterize_lines(gx_device *dev, int y, int line_count, byte *data_in,
+		      gx_device_memory *mdev, int *pmy)
+{
+    gx_device_clist_reader * const crdev =
+	&((gx_device_clist *)dev)->reader;
+    gx_device *target = crdev->target;
+    uint raster = gx_device_raster(target, true);
+    byte *mdata = crdev->data + crdev->page_tile_cache_size;
+    gx_device *tdev = (gx_device *)mdev;
+    int code;
+
+    /* Initialize for rendering if we haven't done so yet. */
+    if (crdev->ymin < 0) {
+	code = clist_end_page(&((gx_device_clist *)crdev)->writer);
+	if ( code < 0 )
+	    return code;
+	code = clist_render_init((gx_device_clist *)dev);
+	if ( code < 0 )
+	    return code;
+#if 0				/* **************** */
+    gx_device_ht hdev;
+
+	code = clist_render_init((gx_device_clist *) dev, &hdev);
+	if (code < 0)
+	    return code;
+	if (code != 0) {
+	    hdev.target = tdev;
+	    tdev = (gx_device *) & hdev;
+	}
+#endif				/* **************** */
+    }
+
+    /* Render a band if necessary, and copy it incrementally. */
+    code = (*crdev->make_buffer_device)(mdev, target, 0, true);
+    if (code < 0)
+	return code;
+    mdev->width = target->width;
+    mdev->raster = raster;
+    if (data_in || !(y >= crdev->ymin && y < crdev->ymax)) {
+	const gx_placed_page *ppages = crdev->pages;
+	int num_pages = crdev->num_pages;
+	gx_saved_page current_page;
+	gx_placed_page placed_page;
+	int band_height = crdev->page_band_height;
+	int band = y / band_height;
+	int band_begin_line = band * band_height;
+	int band_end_line = band_begin_line + band_height;
+	int i;
+
+	if (band_end_line > dev->height)
+	    band_end_line = dev->height;
+	/* Clip line_count to current band */
+	if (line_count > band_end_line - y)
+	    line_count = band_end_line - y;
+
+	if (y < 0 || y > dev->height)
+	    return_error(gs_error_rangecheck);
+	/****** QUESTIONABLE, BUT BETTER THAN OMITTING ******/
+	mdev->color_info = dev->color_info;
+	mdev->base = mdata;
+	/*
+	 * The matrix in the memory device is irrelevant,
+	 * because all we do with the device is call the device-level
+	 * output procedures, but we may as well set it to
+	 * something halfway reasonable.
+	 */
+	gs_deviceinitialmatrix(target, &mdev->initial_matrix);
+	mdev->height = band_height;
+	(*dev_proc(mdev, open_device))((gx_device *)mdev);
+	if_debug1('l', "[l]rendering band %d\n", band);
+	/*
+	 * Unfortunately, there is currently no way to get a mem
+	 * device to rasterize into a given memory space, since
+	 * a mem device's memory space must also contain internal
+	 * structures.
+	 */
+	if (data_in)
+	    memcpy(mdev->base + (y - band_begin_line) * raster,
+		   data_in, line_count * raster);
+	/*
+	 * If we aren't rendering saved pages, do the current one.
+	 * Note that this is the only case in which we may encounter
+	 * a gx_saved_page with non-zero cfile or bfile.
+	 */
+	if (ppages == 0) {
+	    current_page.info = crdev->page_info;
+	    placed_page.page = &current_page;
+	    placed_page.offset.x = placed_page.offset.y = 0;
+	    ppages = &placed_page;
+	    num_pages = 1;
+	}
+	for (i = 0; i < num_pages; ++i) {
+	    const gx_placed_page *ppage = &ppages[i];
+
+	    code = clist_playback_file_band(playback_action_render,
+					    crdev, &ppage->page->info, tdev,
+					    band, -ppage->offset.x,
+					    band * mdev->height);
+	    if ( code < 0 )
+		break;
+	}
+	/* Reset the band boundaries now, so that we don't get */
+	/* an infinite loop. */
+	crdev->ymin = band_begin_line;
+	crdev->ymax = band_end_line;
+	if (code < 0)
+	    return code;
+	*pmy = y - crdev->ymin;
+    } else {
+	/* Just fill in enough of the memory device to access the
+	 * already-rasterized scan lines; in particular, only set up scan
+	 * line pointers for the requested Y range.
+	 */
+	mdev->base = mdata + (y - crdev->ymin) * raster;
+	mdev->height = crdev->ymax - y;
+	gdev_mem_open_scan_lines(mdev, min(line_count, mdev->height));
+	*pmy = 0;
+    }
+    return (line_count > crdev->ymax - y ? crdev->ymax - y : line_count);
+}
+
+/* Initialize for reading. */
+private int
+clist_render_init(gx_device_clist *dev /******, gx_device_ht *hdev ******/)
+{
+    gx_device_clist_reader * const crdev = &dev->reader;
+
+    crdev->ymin = crdev->ymax = 0;
+    /* For normal rasterizing, pages and num_pages are zero. */
+    crdev->pages = 0;
+    crdev->num_pages = 0;
+    return 0;
+}
+
+/* Playback the band file, taking the indicated action w/ its contents. */
+private int
+clist_playback_file_band(clist_playback_action action, 
+			 gx_device_clist_reader *cdev,
+			 gx_band_page_info *page_info, gx_device *target,
+			 int band, int x0, int y0)
+{
+    int code = 0;
+    int opened_bfile = 0;
+    int opened_cfile = 0;
+
+    /* We have to pick some allocator for rendering.... */
+    gs_memory_t *mem =
+	(cdev->memory != 0 ? cdev->memory : &gs_memory_default);
+ 
+    /* setup stream */
+    stream_band_read_state rs;
+    rs.template = &s_band_read_template;
+    rs.memory = 0;
+    rs.band = band;
+    rs.page_info = *page_info;
+
+    /* If this is a saved page, open the files. */
+    if (rs.page_cfile == 0) {
+	code = clist_fopen(rs.page_cfname,
+			   gp_fmode_rb, &rs.page_cfile, cdev->bandlist_memory,
+			   cdev->bandlist_memory, true);
+	opened_cfile = (code >= 0);
+    }
+    if (rs.page_bfile == 0 && code >= 0) {
+	code = clist_fopen(rs.page_bfname,
+			   gp_fmode_rb, &rs.page_bfile, cdev->bandlist_memory,
+			   cdev->bandlist_memory, false);
+	opened_bfile = (code >= 0);
+    }
+    if (rs.page_cfile != 0 && rs.page_bfile != 0) {
+	stream s;
+	byte sbuf[cbuf_size];
+	static const stream_procs no_procs = {
+	    s_std_noavailable, s_std_noseek, s_std_read_reset,
+	    s_std_read_flush, s_std_close, s_band_read_process
+	};
+
+	s_band_read_init((stream_state *)&rs);
+	s_std_init(&s, sbuf, cbuf_size, &no_procs, s_mode_read);
+	s.foreign = 1;
+	s.state = (stream_state *)&rs;
+	code = clist_playback_band(action, cdev, &s, target, -x0, y0, mem);
+    }
+
+    /* Close the files if we just opened them. */
+    if (opened_bfile && rs.page_bfile != 0)
+	clist_fclose(rs.page_bfile, rs.page_bfname, false);
+    if (opened_cfile && rs.page_cfile != 0)
+	clist_fclose(rs.page_cfile, rs.page_cfname, false);
+
+    return code;
+}
diff --git a/pstoraster/gxclrect.c b/pstoraster/gxclrect.c
new file mode 100644
index 000000000..080cc41db
--- /dev/null
+++ b/pstoraster/gxclrect.c
@@ -0,0 +1,656 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Rectangle-oriented command writing for command list */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+
+/* ---------------- Writing utilities ---------------- */
+
+#define cmd_set_rect(rect)\
+  ((rect).x = x, (rect).y = y,\
+   (rect).width = width, (rect).height = height)
+
+/* Write a rectangle. */
+private int
+cmd_size_rect(register const gx_cmd_rect * prect)
+{
+    return
+	cmd_sizew(prect->x) + cmd_sizew(prect->y) +
+	cmd_sizew(prect->width) + cmd_sizew(prect->height);
+}
+private byte *
+cmd_put_rect(register const gx_cmd_rect * prect, register byte * dp)
+{
+    cmd_putw(prect->x, dp);
+    cmd_putw(prect->y, dp);
+    cmd_putw(prect->width, dp);
+    cmd_putw(prect->height, dp);
+    return dp;
+}
+
+int
+cmd_write_rect_cmd(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		   int op, int x, int y, int width, int height)
+{
+    int dx = x - pcls->rect.x;
+    int dy = y - pcls->rect.y;
+    int dwidth = width - pcls->rect.width;
+    int dheight = height - pcls->rect.height;
+    byte *dp;
+    int code;
+
+#define check_range_xy(rmin, rmax)\
+  ((unsigned)(dx - rmin) <= (rmax - rmin) &&\
+   (unsigned)(dy - rmin) <= (rmax - rmin))
+#define check_range_w(rmin, rmax)\
+  ((unsigned)(dwidth - rmin) <= (rmax - rmin))
+#define check_ranges(rmin, rmax)\
+  (check_range_xy(rmin, rmax) && check_range_w(rmin, rmax) &&\
+   (unsigned)(dheight - rmin) <= (rmax - rmin))
+    cmd_set_rect(pcls->rect);
+    if (dheight == 0 && check_range_w(cmd_min_dw_tiny, cmd_max_dw_tiny) &&
+	check_range_xy(cmd_min_dxy_tiny, cmd_max_dxy_tiny)
+	) {
+	byte op_tiny = op + 0x20 + dwidth - cmd_min_dw_tiny;
+
+	if (dx == width - dwidth && dy == 0) {
+	    code = set_cmd_put_op(dp, cldev, pcls, op_tiny + 8, 1);
+	    if (code < 0)
+		return code;
+	} else {
+	    code = set_cmd_put_op(dp, cldev, pcls, op_tiny, 2);
+	    if (code < 0)
+		return code;
+	    dp[1] = (dx << 4) + dy - (cmd_min_dxy_tiny * 0x11);
+	}
+    }
+#define rmin cmd_min_short
+#define rmax cmd_max_short
+    else if (check_ranges(rmin, rmax)) {
+	int dh = dheight - cmd_min_dxy_tiny;
+
+	if ((unsigned)dh <= cmd_max_dxy_tiny - cmd_min_dxy_tiny &&
+	    dh != 0 && dy == 0
+	    ) {
+	    op += dh;
+	    code = set_cmd_put_op(dp, cldev, pcls, op + 0x10, 3);
+	    if (code < 0)
+		return code;
+	    if_debug3('L', "    rs2:%d,%d,0,%d\n",
+		      dx, dwidth, dheight);
+	} else {
+	    code = set_cmd_put_op(dp, cldev, pcls, op + 0x10, 5);
+	    if (code < 0)
+		return code;
+	    if_debug4('L', "    rs4:%d,%d,%d,%d\n",
+		      dx, dwidth, dy, dheight);
+	    dp[3] = dy - rmin;
+	    dp[4] = dheight - rmin;
+	}
+	dp[1] = dx - rmin;
+	dp[2] = dwidth - rmin;
+    }
+#undef rmin
+#undef rmax
+    else if (dy >= -2 && dy <= 1 && dheight >= -2 && dheight <= 1 &&
+	     (dy + dheight) != -4
+	) {
+	int rcsize = 1 + cmd_sizew(x) + cmd_sizew(width);
+
+	code = set_cmd_put_op(dp, cldev, pcls,
+			      op + ((dy + 2) << 2) + dheight + 2, rcsize);
+	if (code < 0)
+	    return code;
+	++dp;
+	cmd_put2w(x, width, dp);
+    } else {
+	int rcsize = 1 + cmd_size_rect(&pcls->rect);
+
+	code = set_cmd_put_op(dp, cldev, pcls, op, rcsize);
+	if (code < 0)
+	    return code;
+	if_debug5('L', "    r%d:%d,%d,%d,%d\n",
+		  rcsize - 1, dx, dwidth, dy, dheight);
+	cmd_put_rect(&pcls->rect, dp + 1);
+    }
+    return 0;
+}
+
+/* ---------------- Driver procedures ---------------- */
+
+int
+clist_fill_rectangle(gx_device * dev, int x, int y, int width, int height,
+		     gx_color_index color)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int code;
+
+    fit_fill(dev, x, y, width, height);
+    FOR_RECTS {
+	TRY_RECT {
+	    code = cmd_disable_lop(cdev, pcls);
+	    if (code >= 0 && color != pcls->colors[1])
+		code = cmd_put_color(cdev, pcls, &clist_select_color1,
+				     color, &pcls->colors[1]);
+	    if (code >= 0)
+		code = cmd_write_rect_cmd(cdev, pcls, cmd_op_fill_rect, x, y,
+					  width, height);
+	} HANDLE_RECT(code);
+    } END_RECTS;
+    return 0;
+}
+
+int
+clist_strip_tile_rectangle(gx_device * dev, const gx_strip_bitmap * tile,
+			   int x, int y, int width, int height,
+	       gx_color_index color0, gx_color_index color1, int px, int py)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int depth =
+	(color1 == gx_no_color_index && color0 == gx_no_color_index ?
+	 dev->color_info.depth : 1);
+    int code;
+
+    fit_fill(dev, x, y, width, height);
+    FOR_RECTS {
+	ulong offset_temp;
+
+	TRY_RECT {
+	    code = cmd_disable_lop(cdev, pcls);
+	} HANDLE_RECT(code);
+	if (!cls_has_tile_id(cdev, pcls, tile->id, offset_temp)) {
+	    code = 0;
+	    if (tile->id != gx_no_bitmap_id) {
+		TRY_RECT {
+		    code = clist_change_tile(cdev, pcls, tile, depth);
+		} HANDLE_RECT_UNLESS(code,
+		    (code != gs_error_VMerror || !cdev->error_is_retryable));
+	    }
+	    if (code < 0) {
+		/* ok if gx_default... does retries internally: */
+		/* it's self-sufficient */
+		code = gx_default_strip_tile_rectangle(dev, tile,
+						       x, y, width, height,
+						       color0, color1,
+						       px, py);
+		if (code < 0)
+		    ERROR_RECT(code);
+		goto endr;
+	    }
+	}
+	TRY_RECT {
+	    code = 0;
+	    if (color0 != pcls->tile_colors[0] || color1 != pcls->tile_colors[1])
+		code = cmd_set_tile_colors(cdev, pcls, color0, color1);
+	    if (px != pcls->tile_phase.x || py != pcls->tile_phase.y) {
+		if (code >= 0)
+		    code = cmd_set_tile_phase(cdev, pcls, px, py);
+	    }
+	    if (code >= 0)
+		code = cmd_write_rect_cmd(cdev, pcls, cmd_op_tile_rect, x, y,
+					  width, height);
+	} HANDLE_RECT(code);
+endr:;
+    } END_RECTS;
+    return 0;
+}
+
+int
+clist_copy_mono(gx_device * dev,
+		const byte * data, int data_x, int raster, gx_bitmap_id id,
+		int x, int y, int width, int height,
+		gx_color_index color0, gx_color_index color1)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int y0;
+    gx_bitmap_id orig_id = id;
+
+    fit_copy(dev, data, data_x, raster, id, x, y, width, height);
+    y0 = y;
+    FOR_RECTS {
+	int dx = data_x & 7;
+	int w1 = dx + width;
+	const byte *row = data + (y - y0) * raster + (data_x >> 3);
+	int code;
+
+	TRY_RECT {
+	    code = cmd_disable_lop(cdev, pcls);
+	    if (code >= 0)
+		code = cmd_disable_clip(cdev, pcls);
+	    if (color0 != pcls->colors[0] && code >= 0)
+		code = cmd_set_color0(cdev, pcls, color0);
+	    if (color1 != pcls->colors[1] && code >= 0)
+		code = cmd_set_color1(cdev, pcls, color1);
+	} HANDLE_RECT(code);
+	/* Don't bother to check for a possible cache hit: */
+	/* tile_rectangle and fill_mask handle those cases. */
+copy:{
+	gx_cmd_rect rect;
+	int rsize;
+	byte op = (byte) cmd_op_copy_mono;
+	byte *dp;
+	uint csize;
+	uint compress;
+	int code;
+
+	rect.x = x, rect.y = y;
+	rect.width = w1, rect.height = height;
+	rsize = (dx ? 3 : 1) + cmd_size_rect(&rect);
+	TRY_RECT {
+	    code = cmd_put_bits(cdev, pcls, row, w1, height, raster,
+				rsize, (orig_id == gx_no_bitmap_id ?
+					1 << cmd_compress_rle :
+					cmd_mask_compress_any),
+				&dp, &csize);
+	} HANDLE_RECT_UNLESS(code, code == gs_error_limitcheck);
+	compress = (uint)code;
+	if (code < 0) {
+	    /* The bitmap was too large; split up the transfer. */
+	    if (height > 1) {
+		/*
+		 * Split the transfer by reducing the height.
+		 * See the comment above FOR_RECTS in gxcldev.h.
+		 */
+		height >>= 1;
+		goto copy;
+	    } else {
+		/* Split a single (very long) row. */
+		int w2 = w1 >> 1;
+
+		NEST_RECT {
+		    code = clist_copy_mono(dev, row, dx,
+					   raster, gx_no_bitmap_id, x, y,
+					   w2, 1, color0, color1);
+		    if (code >= 0)
+			code = clist_copy_mono(dev, row, dx + w2,
+					       raster, gx_no_bitmap_id,
+					       x + w2, y,
+					       w1 - w2, 1, color0, color1);
+		} UNNEST_RECT;
+		if (code < 0)
+		    ERROR_RECT(code);
+		continue;
+	    }
+	}
+	op += compress;
+	if (dx) {
+	    *dp++ = cmd_count_op(cmd_opv_set_misc, 2);
+	    *dp++ = cmd_set_misc_data_x + dx;
+	}
+	*dp++ = cmd_count_op(op, csize);
+	cmd_put2w(x, y, dp);
+	cmd_put2w(w1, height, dp);
+	pcls->rect = rect;
+	}
+    } END_RECTS;
+    return 0;
+}
+
+int
+clist_copy_color(gx_device * dev,
+		 const byte * data, int data_x, int raster, gx_bitmap_id id,
+		 int x, int y, int width, int height)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    int depth = dev->color_info.depth;
+    int y0;
+    int data_x_bit;
+
+    fit_copy(dev, data, data_x, raster, id, x, y, width, height);
+    y0 = y;
+    data_x_bit = data_x * depth;
+    FOR_RECTS {
+	int dx = (data_x_bit & 7) / depth;
+	int w1 = dx + width;
+	const byte *row = data + (y - y0) * raster + (data_x_bit >> 3);
+	int code;
+
+	TRY_RECT {
+	    code = cmd_disable_lop(cdev, pcls);
+	    if (code >= 0)
+		code = cmd_disable_clip(cdev, pcls);
+	} HANDLE_RECT(code);
+	if (pcls->color_is_alpha) {
+	    byte *dp;
+
+	    TRY_RECT {
+		code =
+		    set_cmd_put_op(dp, cdev, pcls, cmd_opv_set_copy_color, 1);
+	    } HANDLE_RECT(code);
+	    pcls->color_is_alpha = 0;
+	}
+copy:{
+	    gx_cmd_rect rect;
+	    int rsize;
+	    byte op = (byte) cmd_op_copy_color_alpha;
+	    byte *dp;
+	    uint csize;
+	    uint compress;
+
+	    rect.x = x, rect.y = y;
+	    rect.width = w1, rect.height = height;
+	    rsize = (dx ? 3 : 1) + cmd_size_rect(&rect);
+	    TRY_RECT {
+		code = cmd_put_bits(cdev, pcls, row, w1 * depth,
+				    height, raster, rsize,
+				    1 << cmd_compress_rle, &dp, &csize);
+	    } HANDLE_RECT_UNLESS(code, code == gs_error_limitcheck);
+	    compress = (uint)code;
+	    if (code < 0) {
+		/* The bitmap was too large; split up the transfer. */
+		if (height > 1) {
+		    /* Split the transfer by reducing the height.
+		     * See the comment above FOR_RECTS in gxcldev.h.
+		     */
+		    height >>= 1;
+		    goto copy;
+		} else {
+		    /* Split a single (very long) row. */
+		    int w2 = w1 >> 1;
+
+		    NEST_RECT {
+			code = clist_copy_color(dev, row, dx,
+						raster, gx_no_bitmap_id,
+						x, y, w2, 1);
+			if (code >= 0)
+			    code = clist_copy_color(dev, row, dx + w2,
+						    raster, gx_no_bitmap_id,
+						    x + w2, y, w1 - w2, 1);
+		    } UNNEST_RECT;
+		    if (code < 0)
+			ERROR_RECT(code);
+		    continue;
+		}
+	    }
+	    op += compress;
+	    if (dx) {
+		*dp++ = cmd_count_op(cmd_opv_set_misc, 2);
+		*dp++ = cmd_set_misc_data_x + dx;
+	    }
+	    *dp++ = cmd_count_op(op, csize);
+	    cmd_put2w(x, y, dp);
+	    cmd_put2w(w1, height, dp);
+	    pcls->rect = rect;
+	}
+    } END_RECTS;
+    return 0;
+}
+
+int
+clist_copy_alpha(gx_device * dev, const byte * data, int data_x,
+	   int raster, gx_bitmap_id id, int x, int y, int width, int height,
+		 gx_color_index color, int depth)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    /* I don't like copying the entire body of clist_copy_color */
+    /* just to change 2 arguments and 1 opcode, */
+    /* but I don't see any alternative that doesn't require */
+    /* another level of procedure call even in the common case. */
+    int log2_depth = depth >> 1;	/* works for 1,2,4 */
+    int y0;
+    int data_x_bit;
+
+    fit_copy(dev, data, data_x, raster, id, x, y, width, height);
+    y0 = y;
+    data_x_bit = data_x << log2_depth;
+    FOR_RECTS {
+	int dx = (data_x_bit & 7) >> log2_depth;
+	int w1 = dx + width;
+	const byte *row = data + (y - y0) * raster + (data_x_bit >> 3);
+	int code;
+
+	TRY_RECT {
+	    code = cmd_disable_lop(cdev, pcls);
+	    if (code >= 0)
+		code = cmd_disable_clip(cdev, pcls);
+	} HANDLE_RECT(code);
+	if (!pcls->color_is_alpha) {
+	    byte *dp;
+
+	    TRY_RECT {
+		code =
+		    set_cmd_put_op(dp, cdev, pcls, cmd_opv_set_copy_alpha, 1);
+	    } HANDLE_RECT(code);
+	    pcls->color_is_alpha = 1;
+	}
+	if (color != pcls->colors[1]) {
+	    TRY_RECT {
+		code = cmd_set_color1(cdev, pcls, color);
+	    } HANDLE_RECT(code);
+	}
+copy:{
+	    gx_cmd_rect rect;
+	    int rsize;
+	    byte op = (byte) cmd_op_copy_color_alpha;
+	    byte *dp;
+	    uint csize;
+	    uint compress;
+
+	    rect.x = x, rect.y = y;
+	    rect.width = w1, rect.height = height;
+	    rsize = (dx ? 4 : 2) + cmd_size_rect(&rect);
+	    TRY_RECT {
+		code = cmd_put_bits(cdev, pcls, row, w1 << log2_depth,
+				    height, raster, rsize,
+				    1 << cmd_compress_rle, &dp, &csize);
+	    } HANDLE_RECT_UNLESS(code, code == gs_error_limitcheck);
+	    compress = (uint)code;
+	    if (code < 0) {
+		/* The bitmap was too large; split up the transfer. */
+		if (height > 1) {
+		    /* Split the transfer by reducing the height.
+		     * See the comment above FOR_RECTS in gxcldev.h.
+		     */
+		    height >>= 1;
+		    goto copy;
+		} else {
+		    /* Split a single (very long) row. */
+		    int w2 = w1 >> 1;
+
+		    NEST_RECT {
+			code = clist_copy_alpha(dev, row, dx,
+						raster, gx_no_bitmap_id, x, y,
+						w2, 1, color, depth);
+			if (code >= 0)
+			    code = clist_copy_alpha(dev, row, dx + w2,
+						    raster, gx_no_bitmap_id,
+						    x + w2, y, w1 - w2, 1,
+						    color, depth);
+		    } UNNEST_RECT;
+		    if (code < 0)
+			ERROR_RECT(code);
+		    continue;
+		}
+	    }
+	    op += compress;
+	    if (dx) {
+		*dp++ = cmd_count_op(cmd_opv_set_misc, 2);
+		*dp++ = cmd_set_misc_data_x + dx;
+	    }
+	    *dp++ = cmd_count_op(op, csize);
+	    *dp++ = depth;
+	    cmd_put2w(x, y, dp);
+	    cmd_put2w(w1, height, dp);
+	    pcls->rect = rect;
+	}
+    } END_RECTS;
+    return 0;
+}
+
+int
+clist_strip_copy_rop(gx_device * dev,
+	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
+		     const gx_color_index * scolors,
+	   const gx_strip_bitmap * textures, const gx_color_index * tcolors,
+		     int x, int y, int width, int height,
+		     int phase_x, int phase_y, gs_logical_operation_t lop)
+{
+    gx_device_clist_writer * const cdev =
+	&((gx_device_clist *)dev)->writer;
+    gs_rop3_t rop = lop_rop(lop);
+    gx_strip_bitmap tile_with_id;
+    const gx_strip_bitmap *tiles = textures;
+    int y0;
+
+    if (scolors != 0 && scolors[0] != scolors[1]) {
+	fit_fill(dev, x, y, width, height);
+    } else {
+	fit_copy(dev, sdata, sourcex, sraster, id, x, y, width, height);
+    }
+    y0 = y;
+    /*
+     * We shouldn't need to put the logic below inside FOR/END_RECTS,
+     * but the lop_enabled flags are per-band.
+     */
+    FOR_RECTS {
+	const byte *row = sdata + (y - y0) * sraster;
+	int code;
+
+	if (rop3_uses_T(rop)) {
+	    if (tcolors == 0 || tcolors[0] != tcolors[1]) {
+		ulong offset_temp;
+
+		if (!cls_has_tile_id(cdev, pcls, tiles->id, offset_temp)) {
+		    /* Change tile.  If there is no id, generate one. */
+		    if (tiles->id == gx_no_bitmap_id) {
+			tile_with_id = *tiles;
+			tile_with_id.id = gs_next_ids(1);
+			tiles = &tile_with_id;
+		    }
+		    TRY_RECT {
+			code = clist_change_tile(cdev, pcls, tiles,
+						 (tcolors != 0 ? 1 :
+						  dev->color_info.depth));
+		    } HANDLE_RECT_UNLESS(code, code == gs_error_limitcheck);
+		    if (code < 0) {
+			/*
+			 * The error is a limitcheck: we have a tile that
+			 * is too big to fit in the command reading buffer.
+			 * For now, just divide up the transfer into scan
+			 * lines.  (If a single scan line won't fit, punt.)
+			 * Eventually, we'll need a way to transfer the tile
+			 * in pieces.
+			 */
+			uint rep_height = tiles->rep_height;
+			gs_id ids;
+			gx_strip_bitmap line_tile;
+			int iy;
+
+			if (rep_height == 1 ||
+			    /****** CAN'T HANDLE SHIFT YET ******/
+			    tiles->rep_shift != 0
+			    )
+			    return code;
+			/*
+			 * Allocate enough fake IDs, since the inner call on
+			 * clist_strip_copy_rop will need them anyway.
+			 */
+			ids = gs_next_ids(min(height, rep_height));
+			line_tile = *tiles;
+			line_tile.size.y = 1;
+			line_tile.rep_height = 1;
+			for (iy = 0; iy < height; ++iy) {
+			    line_tile.data = tiles->data + line_tile.raster *
+				((y + iy + phase_y) % rep_height);
+			    line_tile.id = ids + (iy % rep_height);
+			    /*
+			     * Note that since we're only transferring
+			     * a single scan line, phase_y is irrelevant;
+			     * we may as well use the current tile phase
+			     * so we don't have to write extra commands.
+			     */
+			    NEST_RECT {
+				code = clist_strip_copy_rop(dev,
+					(sdata == 0 ? 0 : row + iy * sraster),
+					sourcex, sraster,
+					gx_no_bitmap_id, scolors,
+					&line_tile, tcolors,
+					x, y + iy, width, 1,
+					phase_x, pcls->tile_phase.y, lop);
+			    } UNNEST_RECT;
+			    if (code < 0)
+				ERROR_RECT(code);
+			}
+			continue;
+		    }
+		    if (phase_x != pcls->tile_phase.x ||
+			phase_y != pcls->tile_phase.y
+			) {
+			TRY_RECT {
+			    code = cmd_set_tile_phase(cdev, pcls, phase_x,
+						      phase_y);
+			} HANDLE_RECT(code);
+		    }
+		}
+	    }
+	    /* Set the tile colors. */
+	    TRY_RECT {
+		code =
+		    (tcolors != 0 ?
+		     cmd_set_tile_colors(cdev, pcls, tcolors[0], tcolors[1]) :
+		     cmd_set_tile_colors(cdev, pcls, gx_no_color_index,
+					 gx_no_color_index));
+	    } HANDLE_RECT(code);
+	}
+	TRY_RECT {
+	    code = 0;
+	    if (lop != pcls->lop)
+		code = cmd_set_lop(cdev, pcls, lop);
+	    if (code >= 0)
+		code = cmd_enable_lop(cdev, pcls);
+	} HANDLE_RECT(code);
+
+	/* Set lop_enabled to -1 so that fill_rectangle / copy_* */
+	/* won't attempt to set it to 0. */
+	pcls->lop_enabled = -1;
+	NEST_RECT {
+	    if (scolors != 0) {
+		if (scolors[0] == scolors[1])
+		    code = clist_fill_rectangle(dev, x, y, width, height,
+						scolors[1]);
+		else
+		    code = clist_copy_mono(dev, row, sourcex, sraster, id,
+					   x, y, width, height,
+					   scolors[0], scolors[1]);
+	    } else
+		code = clist_copy_color(dev, row, sourcex, sraster, id,
+					x, y, width, height);
+	} UNNEST_RECT;
+	pcls->lop_enabled = 1;
+	if (code < 0)
+	    ERROR_RECT(code);
+    } END_RECTS;
+    return 0;
+}
diff --git a/pstoraster/gxclutil.c b/pstoraster/gxclutil.c
new file mode 100644
index 000000000..e61433e29
--- /dev/null
+++ b/pstoraster/gxclutil.c
@@ -0,0 +1,616 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command list writing utilities. */
+
+#include "memory_.h"
+#include "string_.h"
+#include "gx.h"
+#include "gp.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* must precede gxcldev.h */
+#include "gxcldev.h"
+#include "gxclpath.h"
+#include "gsparams.h"
+
+/* ---------------- Statistics ---------------- */
+
+#ifdef DEBUG
+const char *const cmd_op_names[16] =
+{cmd_op_name_strings};
+private const char *const cmd_misc_op_names[16] =
+{cmd_misc_op_name_strings};
+private const char *const cmd_misc2_op_names[16] =
+{cmd_misc2_op_name_strings};
+private const char *const cmd_segment_op_names[16] =
+{cmd_segment_op_name_strings};
+private const char *const cmd_path_op_names[16] =
+{cmd_path_op_name_strings};
+const char *const *const cmd_sub_op_names[16] =
+{cmd_misc_op_names, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, cmd_misc2_op_names, cmd_segment_op_names, cmd_path_op_names
+};
+struct stats_cmd_s {
+    ulong op_counts[256];
+    ulong op_sizes[256];
+    ulong tile_reset, tile_found, tile_added;
+    ulong same_band, other_band;
+} stats_cmd;
+extern ulong stats_cmd_diffs[5];	/* in gxclpath.c */
+int
+cmd_count_op(int op, uint size)
+{
+    stats_cmd.op_counts[op]++;
+    stats_cmd.op_sizes[op] += size;
+    if (gs_debug_c('L')) {
+	const char *const *sub = cmd_sub_op_names[op >> 4];
+
+	if (sub)
+	    dlprintf2(", %s(%u)\n", sub[op & 0xf], size);
+	else
+	    dlprintf3(", %s %d(%u)\n", cmd_op_names[op >> 4], op & 0xf,
+		      size);
+	fflush(dstderr);
+    }
+    return op;
+}
+void
+cmd_uncount_op(int op, uint size)
+{
+    stats_cmd.op_counts[op]--;
+    stats_cmd.op_sizes[op] -= size;
+}
+#endif
+
+/* Print statistics. */
+#ifdef DEBUG
+void
+cmd_print_stats(void)
+{
+    int ci, cj;
+
+    dlprintf3("[l]counts: reset = %lu, found = %lu, added = %lu\n",
+	      stats_cmd.tile_reset, stats_cmd.tile_found,
+	      stats_cmd.tile_added);
+    dlprintf5("     diff 2.5 = %lu, 3 = %lu, 4 = %lu, 2 = %lu, >4 = %lu\n",
+	      stats_cmd_diffs[0], stats_cmd_diffs[1], stats_cmd_diffs[2],
+	      stats_cmd_diffs[3], stats_cmd_diffs[4]);
+    dlprintf2("     same_band = %lu, other_band = %lu\n",
+	      stats_cmd.same_band, stats_cmd.other_band);
+    for (ci = 0; ci < 0x100; ci += 0x10) {
+	const char *const *sub = cmd_sub_op_names[ci >> 4];
+
+	if (sub != 0) {
+	    dlprintf1("[l]  %s =", cmd_op_names[ci >> 4]);
+	    for (cj = ci; cj < ci + 0x10; cj += 2)
+		dprintf6("\n\t%s = %lu(%lu), %s = %lu(%lu)",
+			 sub[cj - ci],
+			 stats_cmd.op_counts[cj], stats_cmd.op_sizes[cj],
+			 sub[cj - ci + 1],
+		   stats_cmd.op_counts[cj + 1], stats_cmd.op_sizes[cj + 1]);
+	} else {
+	    ulong tcounts = 0, tsizes = 0;
+
+	    for (cj = ci; cj < ci + 0x10; cj++)
+		tcounts += stats_cmd.op_counts[cj],
+		    tsizes += stats_cmd.op_sizes[cj];
+	    dlprintf3("[l]  %s (%lu,%lu) =\n\t",
+		      cmd_op_names[ci >> 4], tcounts, tsizes);
+	    for (cj = ci; cj < ci + 0x10; cj++)
+		if (stats_cmd.op_counts[cj] == 0)
+		    dputs(" -");
+		else
+		    dprintf2(" %lu(%lu)", stats_cmd.op_counts[cj],
+			     stats_cmd.op_sizes[cj]);
+	}
+	dputs("\n");
+    }
+}
+#endif /* DEBUG */
+
+/* ---------------- Writing utilities ---------------- */
+
+/* Write the commands for one band or band range. */
+private int	/* ret 0 all ok, -ve error code, or +1 ok w/low-mem warning */
+cmd_write_band(gx_device_clist_writer * cldev, int band_min, int band_max,
+	       cmd_list * pcl, byte cmd_end)
+{
+    const cmd_prefix *cp = pcl->head;
+    int code_b = 0;
+    int code_c = 0;
+
+    if (cp != 0 || cmd_end != cmd_opv_end_run) {
+	clist_file_ptr cfile = cldev->page_cfile;
+	clist_file_ptr bfile = cldev->page_bfile;
+	cmd_block cb;
+	byte end = cmd_count_op(cmd_end, 1);
+
+	if (cfile == 0 || bfile == 0)
+ 	    return_error(gs_error_ioerror);
+	cb.band_min = band_min;
+	cb.band_max = band_max;
+	cb.pos = clist_ftell(cfile);
+	if_debug3('l', "[l]writing for bands (%d,%d) at %ld\n",
+		  band_min, band_max, cb.pos);
+	clist_fwrite_chars(&cb, sizeof(cb), bfile);
+	if (cp != 0) {
+	    pcl->tail->next = 0;	/* terminate the list */
+	    for (; cp != 0; cp = cp->next) {
+#ifdef DEBUG
+		if ((const byte *)cp < cldev->cbuf ||
+		    (const byte *)cp >= cldev->cend ||
+		    cp->size > cldev->cend - (const byte *)cp
+		    ) {
+		    lprintf1("cmd_write_band error at 0x%lx\n", (ulong) cp);
+		    return_error(gs_error_Fatal);
+		}
+#endif
+		clist_fwrite_chars(cp + 1, cp->size, cfile);
+	    }
+	    pcl->head = pcl->tail = 0;
+	}
+	clist_fwrite_chars(&end, 1, cfile);
+	process_interrupts();
+	code_b = clist_ferror_code(bfile);
+	code_c = clist_ferror_code(cfile);
+	if (code_b < 0)
+	    return_error(code_b);
+	if (code_c < 0)
+	    return_error(code_c); 
+    }
+    return code_b | code_c;
+}
+
+/* Write out the buffered commands, and reset the buffer. */
+int	/* ret 0 all-ok, -ve error code, or +1 ok w/low-mem warning */
+cmd_write_buffer(gx_device_clist_writer * cldev, byte cmd_end)
+{
+    int nbands = cldev->nbands;
+    gx_clist_state *pcls;
+    int band;
+    int code = cmd_write_band(cldev, cldev->band_range_min,
+			      cldev->band_range_max,
+			      &cldev->band_range_list, cmd_opv_end_run);
+    int warning = code;
+
+    for (band = 0, pcls = cldev->states;
+	 code >= 0 && band < nbands; band++, pcls++
+	 ) {
+	code = cmd_write_band(cldev, band, band, &pcls->list, cmd_end);
+	warning |= code;
+    }
+    /* If an error occurred, finish cleaning up the pointers. */
+    for (; band < nbands; band++, pcls++)
+	pcls->list.head = pcls->list.tail = 0;
+    cldev->cnext = cldev->cbuf;
+    cldev->ccl = 0;
+#ifdef DEBUG
+    if (gs_debug_c('l'))
+	cmd_print_stats();
+#endif
+    return_check_interrupt(code != 0 ? code : warning);
+}
+
+/*
+ * Add a command to the appropriate band list, and allocate space for its
+ * data.  Return the pointer to the data area.  If an error or (low-memory
+ * warning) occurs, set cldev->error_code and return 0.
+ */
+#define cmd_headroom (sizeof(cmd_prefix) + arch_align_ptr_mod)
+byte *
+cmd_put_list_op(gx_device_clist_writer * cldev, cmd_list * pcl, uint size)
+{
+    byte *dp = cldev->cnext;
+
+    if (size + cmd_headroom > cldev->cend - dp) {
+	if ((cldev->error_code =
+	       cmd_write_buffer(cldev, cmd_opv_end_run)) != 0) {
+	    if (cldev->error_code < 0)
+		cldev->error_is_retryable = 0;	/* hard error */
+	    else {
+		/* upgrade lo-mem warning into an error */
+		if (!cldev->ignore_lo_mem_warnings)
+		    cldev->error_code = gs_note_error(gs_error_VMerror);
+		cldev->error_is_retryable = 1;
+	    }
+	    return 0;
+	}
+	else
+	    return cmd_put_list_op(cldev, pcl, size);
+    }
+    if (cldev->ccl == pcl) {	/* We're adding another command for the same band. */
+	/* Tack it onto the end of the previous one. */
+	cmd_count_add1(stats_cmd.same_band);
+#ifdef DEBUG
+	if (pcl->tail->size > dp - (byte *) (pcl->tail + 1)) {
+	    lprintf1("cmd_put_list_op error at 0x%lx\n", (ulong) pcl->tail);
+	}
+#endif
+	pcl->tail->size += size;
+    } else {
+	/* Skip to an appropriate alignment boundary. */
+	/* (We assume the command buffer itself is aligned.) */
+	cmd_prefix *cp = (cmd_prefix *)
+	    (dp + ((cldev->cbuf - dp) & (arch_align_ptr_mod - 1)));
+
+	cmd_count_add1(stats_cmd.other_band);
+	dp = (byte *) (cp + 1);
+	if (pcl->tail != 0) {
+#ifdef DEBUG
+	    if (pcl->tail < pcl->head ||
+		pcl->tail->size > dp - (byte *) (pcl->tail + 1)
+		) {
+		lprintf1("cmd_put_list_op error at 0x%lx\n",
+			 (ulong) pcl->tail);
+	    }
+#endif
+	    pcl->tail->next = cp;
+	} else
+	    pcl->head = cp;
+	pcl->tail = cp;
+	cldev->ccl = pcl;
+	cp->size = size;
+    }
+    cldev->cnext = dp + size;
+    return dp;
+}
+#ifdef DEBUG
+byte *
+cmd_put_op(gx_device_clist_writer * cldev, gx_clist_state * pcls, uint size)
+{
+    if_debug3('L', "[L]band %d: size=%u, left=%u",
+	      (int)(pcls - cldev->states),
+	      size, (uint) (cldev->cend - cldev->cnext));
+    return cmd_put_list_op(cldev, &pcls->list, size);
+}
+#endif
+
+/* Add a command for a range of bands. */
+byte *
+cmd_put_range_op(gx_device_clist_writer * cldev, int band_min, int band_max,
+		 uint size)
+{
+    if_debug4('L', "[L]band range(%d,%d): size=%u, left=%u",
+	      band_min, band_max, size,
+	      (uint)(cldev->cend - cldev->cnext));
+    if (cldev->ccl != 0 && 
+	(cldev->ccl != &cldev->band_range_list ||
+	 band_min != cldev->band_range_min ||
+	 band_max != cldev->band_range_max)
+	) {
+	if ((cldev->error_code = cmd_write_buffer(cldev, cmd_opv_end_run)) != 0) {
+	    if (cldev->error_code < 0)
+		cldev->error_is_retryable = 0;	/* hard error */
+	    else {
+		/* upgrade lo-mem warning into an error */
+		cldev->error_code = gs_error_VMerror;
+		cldev->error_is_retryable = 1;
+	    }
+	    return 0;
+	}
+	cldev->band_range_min = band_min;
+	cldev->band_range_max = band_max;
+    }
+    return cmd_put_list_op(cldev, &cldev->band_range_list, size);
+}
+
+/* Write a variable-size positive integer. */
+int
+cmd_size_w(register uint w)
+{
+    register int size = 1;
+
+    while (w > 0x7f)
+	w >>= 7, size++;
+    return size;
+}
+byte *
+cmd_put_w(register uint w, register byte * dp)
+{
+    while (w > 0x7f)
+	*dp++ = w | 0x80, w >>= 7;
+    *dp = w;
+    return dp + 1;
+}
+
+/* Define the encodings of the different settable colors. */
+const clist_select_color_t
+    clist_select_color0 = {cmd_op_set_color0, cmd_opv_delta2_color0, 0},
+    clist_select_color1 = {cmd_op_set_color1, cmd_opv_delta2_color1, 0},
+    clist_select_tile_color0 = {cmd_op_set_color0, cmd_opv_delta2_color0, 1},
+    clist_select_tile_color1 = {cmd_op_set_color1, cmd_opv_delta2_color1, 1};
+int
+cmd_put_color(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+	      const clist_select_color_t * select,
+	      gx_color_index color, gx_color_index * pcolor)
+{
+    byte *dp;
+    long diff = (long)color - (long)(*pcolor);
+    byte op, op_delta2;
+    int code;
+
+    if (diff == 0)
+	return 0;
+    if (select->tile_color) {
+	code = set_cmd_put_op(dp, cldev, pcls, cmd_opv_set_tile_color, 1);
+	if (code < 0)
+	    return code;
+    }
+    op = select->set_op;
+    op_delta2 = select->delta2_op;
+    if (color == gx_no_color_index) {
+	/*
+	 * We must handle this specially, because it may take more
+	 * bytes than the color depth.
+	 */
+	code = set_cmd_put_op(dp, cldev, pcls, op + 15, 1);
+	if (code < 0)
+	    return code;
+    } else {
+	long delta;
+	byte operand;
+
+	switch ((cldev->color_info.depth + 15) >> 3) {
+	    case 5:
+		if (!((delta = diff + cmd_delta1_32_bias) &
+		      ~cmd_delta1_32_mask) &&
+		    (operand =
+		     (byte) ((delta >> 23) + ((delta >> 18) & 1))) != 0 &&
+		    operand != 15
+		    ) {
+		    code = set_cmd_put_op(dp, cldev, pcls,
+					  (byte) (op + operand), 2);
+		    if (code < 0)
+			return code;
+		    dp[1] = (byte) (((delta >> 10) & 0300) +
+				    (delta >> 5) + delta);
+		    break;
+		}
+		if (!((delta = diff + cmd_delta2_32_bias) &
+		      ~cmd_delta2_32_mask)
+		    ) {
+		    code = set_cmd_put_op(dp, cldev, pcls, op_delta2, 3);
+		    if (code < 0)
+			return code;
+		    dp[1] = (byte) ((delta >> 20) + (delta >> 16));
+		    dp[2] = (byte) ((delta >> 4) + delta);
+		    break;
+		}
+		code = set_cmd_put_op(dp, cldev, pcls, op, 5);
+		if (code < 0)
+		    return code;
+		*++dp = (byte) (color >> 24);
+		goto b3;
+	    case 4:
+		if (!((delta = diff + cmd_delta1_24_bias) &
+		      ~cmd_delta1_24_mask) &&
+		    (operand = (byte) (delta >> 16)) != 0 &&
+		    operand != 15
+		    ) {
+		    code = set_cmd_put_op(dp, cldev, pcls,
+					  (byte) (op + operand), 2);
+		    if (code < 0)
+			return code;
+		    dp[1] = (byte) ((delta >> 4) + delta);
+		    break;
+		}
+		if (!((delta = diff + cmd_delta2_24_bias) &
+		      ~cmd_delta2_24_mask)
+		    ) {
+		    code = set_cmd_put_op(dp, cldev, pcls, op_delta2, 3);
+		    if (code < 0)
+			return code;
+		    dp[1] = ((byte) (delta >> 13) & 0xf8) +
+			((byte) (delta >> 11) & 7);
+		    dp[2] = (byte) (((delta >> 3) & 0xe0) + delta);
+		    break;
+		}
+		code = set_cmd_put_op(dp, cldev, pcls, op, 4);
+		if (code < 0)
+		    return code;
+b3:		*++dp = (byte) (color >> 16);
+		goto b2;
+	    case 3:
+		code = set_cmd_put_op(dp, cldev, pcls, op, 3);
+		if (code < 0)
+		    return code;
+b2:		*++dp = (byte) (color >> 8);
+		goto b1;
+	    case 2:
+		if (diff >= -7 && diff < 7) {
+		    code = set_cmd_put_op(dp, cldev, pcls,
+					  op + (int)diff + 8, 1);
+		    if (code < 0)
+			return code;
+		    break;
+		}
+		code = set_cmd_put_op(dp, cldev, pcls, op, 2);
+		if (code < 0)
+		    return code;
+b1:		dp[1] = (byte) color;
+	}
+    }
+    *pcolor = color;
+    return 0;
+}
+
+/* Put out a command to set the tile colors. */
+int
+cmd_set_tile_colors(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		    gx_color_index color0, gx_color_index color1)
+{
+    int code = 0;
+
+    if (color0 != pcls->tile_colors[0]) {
+	code = cmd_put_color(cldev, pcls,
+			     &clist_select_tile_color0,
+			     color0, &pcls->tile_colors[0]);
+	if (code != 0)
+	    return code;
+    }
+    if (color1 != pcls->tile_colors[1])
+	code = cmd_put_color(cldev, pcls,
+			     &clist_select_tile_color1,
+			     color1, &pcls->tile_colors[1]);
+    return code;
+}
+
+/* Put out a command to set the tile phase. */
+int
+cmd_set_tile_phase(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		   int px, int py)
+{
+    int pcsize;
+    byte *dp;
+    int code;
+
+    pcsize = 1 + cmd_size2w(px, py);
+    code =
+	set_cmd_put_op(dp, cldev, pcls, (byte)cmd_opv_set_tile_phase, pcsize);
+    if (code < 0)
+	return code;
+    ++dp;
+    pcls->tile_phase.x = px;
+    pcls->tile_phase.y = py;
+    cmd_putxy(pcls->tile_phase, dp);
+    return 0;
+}
+
+/* Write a command to enable or disable the logical operation. */
+int
+cmd_put_enable_lop(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		   int enable)
+{
+    byte *dp;
+    int code = set_cmd_put_op(dp, cldev, pcls,
+			      (byte)(enable ? cmd_opv_enable_lop :
+				     cmd_opv_disable_lop),
+			      1);
+
+    if (code < 0)
+	return code;
+    pcls->lop_enabled = enable;
+    return 0;
+}
+
+/* Write a command to enable or disable clipping. */
+/* This routine is only called if the path extensions are included. */
+int
+cmd_put_enable_clip(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+		    int enable)
+{
+    byte *dp;
+    int code = set_cmd_put_op(dp, cldev, pcls,
+			      (byte)(enable ? cmd_opv_enable_clip :
+				     cmd_opv_disable_clip),
+			      1);
+
+    if (code < 0)
+	return code;
+    pcls->clip_enabled = enable;
+    return 0;
+}
+
+/* Write a command to set the logical operation. */
+int
+cmd_set_lop(gx_device_clist_writer * cldev, gx_clist_state * pcls,
+	    gs_logical_operation_t lop)
+{
+    byte *dp;
+    uint lop_msb = lop >> 6;
+    int code = set_cmd_put_op(dp, cldev, pcls,
+			      cmd_opv_set_misc, 2 + cmd_size_w(lop_msb));
+
+    if (code < 0)
+	return code;
+    dp[1] = cmd_set_misc_lop + (lop & 0x3f);
+    cmd_put_w(lop_msb, dp + 2);
+    pcls->lop = lop;
+    return 0;
+}
+
+/* Disable (if default) or enable the logical operation, setting it if */
+/* needed. */
+int
+cmd_update_lop(gx_device_clist_writer *cldev, gx_clist_state *pcls,
+	       gs_logical_operation_t lop)
+{
+    int code;
+
+    if (lop == lop_default)
+	return cmd_disable_lop(cldev, pcls);
+    code = cmd_set_lop(cldev, pcls, lop);
+    if (code < 0)
+	return code;
+    return cmd_enable_lop(cldev, pcls);
+}
+
+/* Write a parameter list */
+int	/* ret 0 all ok, -ve error */
+cmd_put_params(gx_device_clist_writer *cldev,
+	       gs_param_list *param_list) /* NB open for READ */
+{
+    byte *dp;
+    int code;
+    byte local_buf[512];	/* arbitrary */
+    int param_length;
+
+    /* Get serialized list's length + try to get it into local var if it fits. */
+    param_length = code =
+	gs_param_list_serialize(param_list, local_buf, sizeof(local_buf));
+    if (param_length > 0) {
+	/* Get cmd buffer space for serialized */
+	code = set_cmd_put_all_op(dp, cldev, cmd_opv_put_params,
+				  1 + sizeof(unsigned) + param_length);
+	if (code < 0)
+	    return code;
+
+	/* write param list to cmd list: needs to all fit in cmd buffer */
+	if_debug1('l', "[l]put_params, length=%d\n", param_length);
+	++dp;
+	memcpy(dp, &param_length, sizeof(unsigned));
+	dp += sizeof(unsigned);
+	if (param_length > sizeof(local_buf)) {
+	    int old_param_length = param_length;
+
+	    param_length = code =
+		gs_param_list_serialize(param_list, dp, old_param_length);
+	    if (param_length >= 0)
+		code = (old_param_length != param_length ?
+			gs_note_error(gs_error_unknownerror) : 0);
+	    if (code < 0) {
+		/* error serializing: back out by writing a 0-length parm list */
+		memset(dp - sizeof(unsigned), 0, sizeof(unsigned));
+		cmd_shorten_list_op(cldev, &cldev->band_range_list,
+				    old_param_length);
+	    }
+	} else
+	    memcpy(dp, local_buf, param_length);	    /* did this when computing length */
+    }
+    return code;
+}
diff --git a/pstoraster/gxclzlib.c b/pstoraster/gxclzlib.c
new file mode 100644
index 000000000..8b2edbd18
--- /dev/null
+++ b/pstoraster/gxclzlib.c
@@ -0,0 +1,76 @@
+/*
+  Copyright 1993-2002 by Easy Software Products
+  Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+/*$Id$ */
+/* zlib filter initialization for RAM-based band lists */
+/* Must be compiled with -I$(ZSRCDIR) */
+#include "std.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gxclmem.h"
+
+#ifdef HAVE_LIBZ
+#include "szlibx.h"
+
+private stream_zlib_state cl_zlibE_state;
+private stream_zlib_state cl_zlibD_state;
+
+/* Initialize the states to be copied. */
+void
+gs_cl_zlib_init(gs_memory_t * mem)
+{
+    s_zlib_set_defaults((stream_state *) & cl_zlibE_state);
+    cl_zlibE_state.no_wrapper = true;
+    cl_zlibE_state.template = &s_zlibE_template;
+    s_zlib_set_defaults((stream_state *) & cl_zlibD_state);
+    cl_zlibD_state.no_wrapper = true;
+    cl_zlibD_state.template = &s_zlibD_template;
+}
+
+/* Return the prototypes for compressing/decompressing the band list. */
+const stream_state *
+clist_compressor_state(void *client_data)
+{
+    return (const stream_state *)&cl_zlibE_state;
+}
+const stream_state *
+clist_decompressor_state(void *client_data)
+{
+    return (const stream_state *)&cl_zlibD_state;
+}
+#else
+const stream_state *
+clist_compressor_state(void *client_data)
+{
+    return (const stream_state *)0;
+}
+const stream_state *
+clist_decompressor_state(void *client_data)
+{
+    return (const stream_state *)0;
+}
+#endif /* HAVE_LIBZ */
diff --git a/pstoraster/gxcmap.c b/pstoraster/gxcmap.c
new file mode 100644
index 000000000..99ec9c5ed
--- /dev/null
+++ b/pstoraster/gxcmap.c
@@ -0,0 +1,890 @@
+/* Copyright (C) 1992, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color mapping for Ghostscript */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsccolor.h"
+#include "gxalpha.h"
+#include "gxcspace.h"
+#include "gxfarith.h"
+#include "gxfrac.h"
+#include "gxdcconv.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxlum.h"
+#include "gzstate.h"
+#include "gxdither.h"
+
+/* Structure descriptor */
+public_st_device_color();
+#define cptr ((gx_device_color *)vptr)
+private 
+ENUM_PTRS_BEGIN(device_color_enum_ptrs)
+{
+    return ENUM_USING(*cptr->type->stype, vptr, size, index);
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(device_color_reloc_ptrs)
+{
+    RELOC_USING(*cptr->type->stype, vptr, size);
+}
+RELOC_PTRS_END
+#undef cptr
+
+/* ------ Trace device mapping procedures ------ */
+
+/* If DEBUG is defined, these procedures substitute for direct calls */
+/* on the device map_{rgb,cmyk}_color procedures. */
+
+gx_color_index
+gx_proc_map_rgb_color(gx_device * dev,
+		    gx_color_value vr, gx_color_value vg, gx_color_value vb)
+{
+    gx_color_index cindex =
+    (*dev_proc(dev, map_rgb_color)) (dev, vr, vg, vb);
+
+    if_debug5('C', "%s [C]RGB %u,%u,%u -> color 0x%lx\n",
+	      dev->dname, (uint) vr, (uint) vg, (uint) vb, (ulong) cindex);
+    return cindex;
+}
+
+gx_color_index
+gx_proc_map_rgb_alpha_color(gx_device * dev,
+ gx_color_value vr, gx_color_value vg, gx_color_value vb, gx_color_value va)
+{
+    gx_color_index cindex =
+    (*dev_proc(dev, map_rgb_alpha_color)) (dev, vr, vg, vb, va);
+
+    if_debug6('C', "[C]%s RGBA %u,%u,%u,%u -> color 0x%lx\n",
+	      dev->dname, (uint) vr, (uint) vg, (uint) vb, (uint) va,
+	      (ulong) cindex);
+    return cindex;
+}
+
+gx_color_index
+gx_proc_map_cmyk_color(gx_device * dev,
+ gx_color_value vc, gx_color_value vm, gx_color_value vy, gx_color_value vk)
+{
+    gx_color_index cindex =
+    (*dev_proc(dev, map_cmyk_color)) (dev, vc, vm, vy, vk);
+
+    if_debug6('C', "[C]%s CMYK %u,%u,%u,%u -> color 0x%lx\n",
+	      dev->dname, (uint) vc, (uint) vm, (uint) vy, (uint) vk,
+	      (ulong) cindex);
+    return cindex;
+}
+
+/* ---------------- Device color rendering ---------------- */
+
+private cmap_proc_gray(cmap_gray_halftoned);
+private cmap_proc_gray(cmap_gray_direct);
+private cmap_proc_gray(cmap_gray_to_rgb_halftoned);
+private cmap_proc_gray(cmap_gray_to_rgb_direct);
+private cmap_proc_gray(cmap_gray_to_cmyk_halftoned);
+private cmap_proc_gray(cmap_gray_to_cmyk_direct);
+private cmap_proc_rgb(cmap_rgb_halftoned);
+private cmap_proc_rgb(cmap_rgb_direct);
+private cmap_proc_rgb(cmap_rgb_to_gray_halftoned);
+private cmap_proc_rgb(cmap_rgb_to_gray_direct);
+private cmap_proc_rgb(cmap_rgb_to_cmyk);
+
+#define cmap_cmyk_halftoned cmap_cmyk_direct
+private cmap_proc_cmyk(cmap_cmyk_direct);
+private cmap_proc_cmyk(cmap_cmyk_to_gray);
+private cmap_proc_cmyk(cmap_cmyk_to_rgb);
+private cmap_proc_rgb_alpha(cmap_rgb_alpha_halftoned);
+private cmap_proc_rgb_alpha(cmap_rgb_alpha_direct);
+
+/* Procedure names are only guaranteed unique to 23 characters.... */
+private cmap_proc_rgb_alpha(cmap_rgb_alpha2gray_halftoned);
+private cmap_proc_rgb_alpha(cmap_rgb_alpha2gray_direct);
+private cmap_proc_rgb_alpha(cmap_rgb_alpha_to_cmyk);
+
+private const gx_color_map_procs
+      cmap_gray_few =
+{cmap_gray_halftoned, cmap_rgb_to_gray_halftoned, cmap_cmyk_to_gray,
+ cmap_rgb_alpha2gray_halftoned
+},    cmap_gray_many =
+{cmap_gray_direct, cmap_rgb_to_gray_direct, cmap_cmyk_to_gray,
+ cmap_rgb_alpha2gray_direct
+},    cmap_rgb_few =
+{cmap_gray_to_rgb_halftoned, cmap_rgb_halftoned, cmap_cmyk_to_rgb,
+ cmap_rgb_alpha_halftoned
+},    cmap_rgb_many =
+{cmap_gray_to_rgb_direct, cmap_rgb_direct, cmap_cmyk_to_rgb,
+ cmap_rgb_alpha_direct
+},    cmap_cmyk_few =
+{cmap_gray_to_cmyk_halftoned, cmap_rgb_to_cmyk, cmap_cmyk_halftoned,
+ cmap_rgb_alpha_to_cmyk
+},    cmap_cmyk_many =
+{cmap_gray_to_cmyk_direct, cmap_rgb_to_cmyk, cmap_cmyk_direct,
+ cmap_rgb_alpha_to_cmyk
+};
+
+const gx_color_map_procs *const cmap_procs_default = &cmap_gray_many;
+
+private const gx_color_map_procs *const cmap_few[] =
+{
+    0, &cmap_gray_few, 0, &cmap_rgb_few, &cmap_cmyk_few
+};
+
+private const gx_color_map_procs *const cmap_many[] =
+{
+    0, &cmap_gray_many, 0, &cmap_rgb_many, &cmap_cmyk_many
+};
+
+/* Determine the color mapping procedures for a device. */
+const gx_color_map_procs *
+gx_device_cmap_procs(const gx_device * dev)
+{
+    return (gx_device_must_halftone(dev) ? cmap_few : cmap_many)
+	[dev->color_info.num_components];
+}
+
+/* Set the color mapping procedures in the graphics state. */
+void
+gx_set_cmap_procs(gs_imager_state * pis, const gx_device * dev)
+{
+    pis->cmap_procs = gx_device_cmap_procs(dev);
+}
+
+/* Remap the color in the graphics state. */
+int
+gx_remap_color(gs_state * pgs)
+{
+    const gs_color_space *pcs = pgs->color_space;
+
+    /* The current color in the graphics state is always used for */
+    /* the texture, never for the source. */
+    return (*pcs->type->remap_color) (pgs->ccolor, pcs, pgs->dev_color,
+				      (gs_imager_state *) pgs, pgs->device,
+				      gs_color_select_texture);
+}
+
+/* Indicate that a color space has no underlying concrete space. */
+const gs_color_space *
+gx_no_concrete_space(const gs_color_space * pcs, const gs_imager_state * pis)
+{
+    return NULL;
+}
+
+/* Indicate that a color space is concrete. */
+const gs_color_space *
+gx_same_concrete_space(const gs_color_space * pcs, const gs_imager_state * pis)
+{
+    return pcs;
+}
+
+/* Indicate that a color cannot be concretized. */
+int
+gx_no_concretize_color(const gs_client_color * pcc, const gs_color_space * pcs,
+		       frac * pconc, const gs_imager_state * pis)
+{
+    return_error(gs_error_rangecheck);
+}
+
+/* By default, remap a color by concretizing it and then */
+/* remapping the concrete color. */
+int
+gx_default_remap_color(const gs_client_color * pcc, const gs_color_space * pcs,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		       gs_color_select_t select)
+{
+    frac conc[4];
+    const gs_color_space *pconcs;
+    int code = (*pcs->type->concretize_color) (pcc, pcs, conc, pis);
+
+    if (code < 0)
+	return code;
+    pconcs = cs_concrete_space(pcs, pis);
+    return (*pconcs->type->remap_concrete_color) (conc, pdc, pis, dev,
+						  select);
+}
+
+/* Color remappers for the standard color spaces. */
+/* Note that we use D... instead of Device... in some places because */
+/* gcc under VMS only retains 23 characters of procedure names. */
+
+#define unit_frac(v, ftemp)\
+  (ftemp = (v),\
+   (is_fneg(ftemp) ? frac_0 : is_fge1(ftemp) ? frac_1 : float2frac(ftemp)))
+
+/* DeviceGray */
+int
+gx_concretize_DeviceGray(const gs_client_color * pc, const gs_color_space * pcs,
+			 frac * pconc, const gs_imager_state * pis)
+{
+    float ftemp;
+
+    pconc[0] = unit_frac(pc->paint.values[0], ftemp);
+    return 0;
+}
+int
+gx_remap_concrete_DGray(const frac * pconc,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			gs_color_select_t select)
+{
+    if (pis->alpha == gx_max_color_value)
+	(*pis->cmap_procs->map_gray)
+	    (pconc[0], pdc, pis, dev, select);
+    else
+	(*pis->cmap_procs->map_rgb_alpha)
+	    (pconc[0], pconc[0], pconc[0], cv2frac(pis->alpha),
+	     pdc, pis, dev, select);
+    return 0;
+}
+int
+gx_remap_DeviceGray(const gs_client_color * pc, const gs_color_space * pcs,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		    gs_color_select_t select)
+{
+    float ftemp;
+    frac fgray = unit_frac(pc->paint.values[0], ftemp);
+
+    if (pis->alpha == gx_max_color_value)
+	(*pis->cmap_procs->map_gray)
+	    (fgray, pdc, pis, dev, select);
+    else
+	(*pis->cmap_procs->map_rgb_alpha)
+	    (fgray, fgray, fgray, cv2frac(pis->alpha), pdc, pis, dev, select);
+    return 0;
+}
+
+/* DeviceRGB */
+int
+gx_concretize_DeviceRGB(const gs_client_color * pc, const gs_color_space * pcs,
+			frac * pconc, const gs_imager_state * pis)
+{
+    float ftemp;
+
+    pconc[0] = unit_frac(pc->paint.values[0], ftemp);
+    pconc[1] = unit_frac(pc->paint.values[1], ftemp);
+    pconc[2] = unit_frac(pc->paint.values[2], ftemp);
+    return 0;
+}
+int
+gx_remap_concrete_DRGB(const frac * pconc,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		       gs_color_select_t select)
+{
+    if (pis->alpha == gx_max_color_value)
+	gx_remap_concrete_rgb(pconc[0], pconc[1], pconc[2],
+			      pdc, pis, dev, select);
+    else
+	gx_remap_concrete_rgb_alpha(pconc[0], pconc[1], pconc[2],
+				    cv2frac(pis->alpha),
+				    pdc, pis, dev, select);
+    return 0;
+}
+int
+gx_remap_DeviceRGB(const gs_client_color * pc, const gs_color_space * pcs,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		   gs_color_select_t select)
+{
+    float ftemp;
+    frac fred = unit_frac(pc->paint.values[0], ftemp), fgreen = unit_frac(pc->paint.values[1], ftemp),
+         fblue = unit_frac(pc->paint.values[2], ftemp);
+
+    if (pis->alpha == gx_max_color_value)
+	gx_remap_concrete_rgb(fred, fgreen, fblue,
+			      pdc, pis, dev, select);
+    else
+	gx_remap_concrete_rgb_alpha(fred, fgreen, fblue, cv2frac(pis->alpha),
+				    pdc, pis, dev, select);
+    return 0;
+}
+
+/* DeviceCMYK */
+int
+gx_concretize_DeviceCMYK(const gs_client_color * pc, const gs_color_space * pcs,
+			 frac * pconc, const gs_imager_state * pis)
+{
+    float ftemp;
+
+    pconc[0] = unit_frac(pc->paint.values[0], ftemp);
+    pconc[1] = unit_frac(pc->paint.values[1], ftemp);
+    pconc[2] = unit_frac(pc->paint.values[2], ftemp);
+    pconc[3] = unit_frac(pc->paint.values[3], ftemp);
+    return 0;
+}
+int
+gx_remap_concrete_DCMYK(const frac * pconc,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			gs_color_select_t select)
+{
+/****** IGNORE alpha ******/
+    gx_remap_concrete_cmyk(pconc[0], pconc[1], pconc[2], pconc[3], pdc,
+			   pis, dev, select);
+    return 0;
+}
+int
+gx_remap_DeviceCMYK(const gs_client_color * pc, const gs_color_space * pcs,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		    gs_color_select_t select)
+{
+/****** IGNORE alpha ******/
+    float ft0, ft1, ft2, ft3;
+
+    gx_remap_concrete_cmyk(unit_frac(pc->paint.values[0], ft0),
+			   unit_frac(pc->paint.values[1], ft1),
+			   unit_frac(pc->paint.values[2], ft2),
+			   unit_frac(pc->paint.values[3], ft3),
+			   pdc, pis, dev, select);
+    return 0;
+}
+
+/* ------ Render Gray color. ------ */
+
+private void
+cmap_gray_halftoned(frac gray, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    if (gx_render_gray(gx_map_color_frac(pis, gray, effective_transfer.colored.gray), pdc, pis, dev, select) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+private void
+cmap_gray_direct(frac gray, gx_device_color * pdc, const gs_imager_state * pis,
+		 gx_device * dev, gs_color_select_t select)
+{
+    frac mgray = gx_map_color_frac(pis, gray, effective_transfer.colored.gray);
+    gx_color_value cv_gray = frac2cv(mgray);
+    gx_color_index color =
+    (pis->alpha == gx_max_color_value ?
+     gx_map_rgb_color(dev, cv_gray, cv_gray, cv_gray) :
+     gx_map_rgb_alpha_color(dev, cv_gray, cv_gray, cv_gray, pis->alpha));
+
+    if (color == gx_no_color_index) {
+	if (gx_render_gray(mgray, pdc, pis, dev, select) == 1)
+	    gx_color_load_select(pdc, pis, dev, select);
+	return;
+    }
+    color_set_pure(pdc, color);
+}
+
+private void
+cmap_gray_to_rgb_halftoned(frac gray, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    cmap_rgb_halftoned(gray, gray, gray, pdc, pis, dev, select);
+}
+
+private void
+cmap_gray_to_rgb_direct(frac gray, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    cmap_rgb_direct(gray, gray, gray, pdc, pis, dev, select);
+}
+
+private void
+cmap_gray_to_cmyk_halftoned(frac gray, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{				/*
+				 * Per the last paragraph of section 6.3 (p. 309) of the
+				 * PostScript Language Reference Manual, 2nd Edition,
+				 * we must bypass the C, M, and Y transfer functions in this case.
+				 */
+    frac mgray = gx_map_color_frac(pis, gray, effective_transfer.colored.gray);
+
+    if (gx_render_gray(mgray, pdc, pis, dev, select) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+private void
+cmap_gray_to_cmyk_direct(frac gray, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{				/*
+				 * Per the last paragraph of section 6.3 (p. 309) of the
+				 * PostScript Language Reference Manual, 2nd Edition,
+				 * we must bypass the C, M, and Y transfer functions in this case.
+				 */
+    frac mgray = gx_map_color_frac(pis, gray, effective_transfer.colored.gray);
+    frac mblack = frac_1 - mgray;
+    gx_color_index color =
+    gx_map_cmyk_color(dev,
+		      frac2cv(frac_0), frac2cv(frac_0),
+		      frac2cv(frac_0), frac2cv(mblack));
+
+    if (color != gx_no_color_index) {
+	color_set_pure(pdc, color);
+	return;
+    }
+    if (gx_render_gray(mgray, pdc, pis, dev, select) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+/* ------ Render RGB color. ------ */
+
+/*
+ * This code should test r == g and g == b and then use the gray
+ * rendering procedures.  The Adobe documentation allows this:
+ * conversion between color spaces occurs before the transfer function
+ * and halftoning.  However, output from FrameMaker (mis)uses the
+ * transfer function to provide the equivalent of indexed color;
+ * it requires the color components to be passed through unchanged.
+ * For this reason, we have to make the check after the transfer
+ * function rather than before.
+ *
+ * Since this procedure is used so heavily, we duplicate most of its code
+ * rather than making a text for color_info.max_color >= 31.
+ */
+
+private void
+cmap_rgb_halftoned(frac r, frac g, frac b, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    frac mred = gx_map_color_frac(pis, r, effective_transfer.colored.red);
+    frac mgreen = gx_map_color_frac(pis, g, effective_transfer.colored.green);
+    frac mblue = gx_map_color_frac(pis, b, effective_transfer.colored.blue);
+
+    if ((mred == mgreen && mred == mblue ?	/* gray shade */
+	 gx_render_gray(mred, pdc, pis, dev, select) :
+	 gx_render_rgb(mred, mgreen, mblue, pdc, pis, dev, select)) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+private void
+cmap_rgb_direct(frac r, frac g, frac b, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    frac mred = gx_map_color_frac(pis, r, effective_transfer.colored.red);
+    frac mgreen = gx_map_color_frac(pis, g, effective_transfer.colored.green);
+    frac mblue = gx_map_color_frac(pis, b, effective_transfer.colored.blue);
+    gx_color_index color =
+    (pis->alpha == gx_max_color_value ?
+     gx_map_rgb_color(dev, frac2cv(mred), frac2cv(mgreen),
+		      frac2cv(mblue)) :
+     gx_map_rgb_alpha_color(dev, frac2cv(mred), frac2cv(mgreen),
+			    frac2cv(mblue), pis->alpha));
+
+    if (color != gx_no_color_index) {
+	color_set_pure(pdc, color);
+	return;
+    }
+    if ((mred == mgreen && mred == mblue ?	/* gray shade */
+	 gx_render_gray(mred, pdc, pis, dev, select) :
+	 gx_render_rgb(mred, mgreen, mblue, pdc, pis, dev, select)) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+private void
+cmap_rgb_to_gray_halftoned(frac r, frac g, frac b, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    cmap_gray_halftoned(color_rgb_to_gray(r, g, b, pis), pdc, pis, dev, select);
+}
+
+private void
+cmap_rgb_to_gray_direct(frac r, frac g, frac b, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    cmap_gray_direct(color_rgb_to_gray(r, g, b, pis), pdc, pis, dev, select);
+}
+
+private void
+cmap_rgb_to_cmyk(frac r, frac g, frac b, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    frac cmyk[4];
+
+    color_rgb_to_cmyk(r, g, b, pis, cmyk);
+    (*pis->cmap_procs->map_cmyk) (cmyk[0], cmyk[1], cmyk[2], cmyk[3], pdc, pis, dev, select);
+}
+
+/* ------ Render CMYK color. ------ */
+
+private void
+cmap_cmyk_to_gray(frac c, frac m, frac y, frac k, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    (*pis->cmap_procs->map_gray) (color_cmyk_to_gray(c, m, y, k, pis), pdc, pis, dev, select);
+}
+
+private void
+cmap_cmyk_direct(frac c, frac m, frac y, frac k, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    frac mcyan = frac_1 - gx_map_color_frac(pis, frac_1 - c, effective_transfer.colored.red);
+    frac mmagenta = frac_1 - gx_map_color_frac(pis, frac_1 - m, effective_transfer.colored.green);
+    frac myellow = frac_1 - gx_map_color_frac(pis, frac_1 - y, effective_transfer.colored.blue);
+    frac mblack = frac_1 - gx_map_color_frac(pis, frac_1 - k, effective_transfer.colored.gray);
+
+    /* We make a test for direct vs. halftoned, rather than */
+    /* duplicating most of the code of this procedure. */
+    if (!gx_color_device_must_halftone(dev)) {
+	gx_color_index color =
+	gx_map_cmyk_color(dev,
+			  frac2cv(mcyan), frac2cv(mmagenta),
+			  frac2cv(myellow), frac2cv(mblack));
+
+	if (color != gx_no_color_index) {
+	    color_set_pure(pdc, color);
+	    return;
+	}
+    }
+    /* Don't convert colors with C = M = Y to gray shades: */
+    /* on a CMYK device, this may produce quite different output. */
+    if (gx_render_cmyk(mcyan, mmagenta, myellow, mblack, pdc, pis, dev, select) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+private void
+cmap_cmyk_to_rgb(frac c, frac m, frac y, frac k, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    frac rgb[3];
+
+    color_cmyk_to_rgb(c, m, y, k, pis, rgb);
+    (*pis->cmap_procs->map_rgb) (rgb[0], rgb[1], rgb[2], pdc, pis, dev, select);
+}
+
+/* ------ Render RGB+alpha color. ------ */
+
+#ifdef PREMULTIPLY_TOWARDS_WHITE
+#  define alpha_bias_value frac_1 - alpha
+#  define alpha_bias(v) ((v) + alpha_bias_value
+#else
+#  define alpha_bias(v) (v)
+#endif
+
+private void
+cmap_rgb_alpha2gray_halftoned(frac r, frac g, frac b, frac alpha,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			      gs_color_select_t select)
+{
+    frac gray = color_rgb_to_gray(r, g, b, pis);
+
+    if (alpha != frac_1)	/* premultiply */
+	gray = alpha_bias((frac) ((long)gray * alpha / frac_1));
+    if (gx_render_gray_alpha(gx_map_color_frac(pis, gray, effective_transfer.colored.gray), frac2cv(alpha), pdc, pis, dev, select) == 1)
+	gx_color_load_select(pdc, pis, dev, select);
+}
+
+private void
+cmap_rgb_alpha2gray_direct(frac r, frac g, frac b, frac alpha,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			   gs_color_select_t select)
+{
+    frac gray = color_rgb_to_gray(r, g, b, pis);
+
+    if (alpha != frac_1)	/* premultiply */
+	gray = alpha_bias((frac) ((long)gray * alpha / frac_1));
+    {
+	frac mgray =
+	gx_map_color_frac(pis, gray, effective_transfer.colored.gray);
+	gx_color_value cv_gray = frac2cv(mgray);
+	gx_color_index color =
+	(alpha == frac_1 ?
+	 gx_map_rgb_color(dev, cv_gray, cv_gray, cv_gray) :
+	 gx_map_rgb_alpha_color(dev, cv_gray, cv_gray, cv_gray, frac2cv(alpha)));
+
+	if (color == gx_no_color_index) {
+	    if (gx_render_gray_alpha(mgray, frac2cv(alpha), pdc, pis, dev, select) == 1)
+		gx_color_load_select(pdc, pis, dev, select);
+	    return;
+	}
+	color_set_pure(pdc, color);
+    }
+}
+
+private void
+cmap_rgb_alpha_halftoned(frac r, frac g, frac b, frac alpha,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+			 gs_color_select_t select)
+{
+    frac red = r, green = g, blue = b;
+
+    if (alpha != frac_1) {	/* premultiply */
+	red = alpha_bias((frac) ((long)red * alpha / frac_1));
+	green = alpha_bias((frac) ((long)green * alpha / frac_1));
+	blue = alpha_bias((frac) ((long)blue * alpha / frac_1));
+    } {
+	frac mred =
+	gx_map_color_frac(pis, red, effective_transfer.colored.red);
+	frac mgreen =
+	gx_map_color_frac(pis, green, effective_transfer.colored.green);
+	frac mblue =
+	gx_map_color_frac(pis, blue, effective_transfer.colored.blue);
+	gx_color_value cv_alpha = frac2cv(alpha);
+
+	if ((mred == mgreen && mred == mblue ?	/* gray shade */
+	     gx_render_gray_alpha(mred, cv_alpha, pdc, pis, dev, select) :
+	     gx_render_rgb_alpha(mred, mgreen, mblue, cv_alpha, pdc, pis, dev, select)) == 1)
+	    gx_color_load_select(pdc, pis, dev, select);
+    }
+}
+
+private void
+cmap_rgb_alpha_direct(frac r, frac g, frac b, frac alpha, gx_device_color * pdc,
+     const gs_imager_state * pis, gx_device * dev, gs_color_select_t select)
+{
+    frac red = r, green = g, blue = b;
+
+    if (alpha != frac_1) {	/* premultiply */
+	red = alpha_bias((frac) ((long)red * alpha / frac_1));
+	green = alpha_bias((frac) ((long)green * alpha / frac_1));
+	blue = alpha_bias((frac) ((long)blue * alpha / frac_1));
+    } {
+	frac mred =
+	gx_map_color_frac(pis, red, effective_transfer.colored.red);
+	frac mgreen =
+	gx_map_color_frac(pis, green, effective_transfer.colored.green);
+	frac mblue =
+	gx_map_color_frac(pis, blue, effective_transfer.colored.blue);
+	gx_color_value cv_alpha = frac2cv(alpha);
+	gx_color_index color =
+	(cv_alpha == gx_max_color_value ?
+	 gx_map_rgb_color(dev, frac2cv(mred), frac2cv(mgreen),
+			  frac2cv(mblue)) :
+	 gx_map_rgb_alpha_color(dev, frac2cv(mred), frac2cv(mgreen),
+				frac2cv(mblue), cv_alpha));
+
+	if (color != gx_no_color_index) {
+	    color_set_pure(pdc, color);
+	    return;
+	}
+	if ((mred == mgreen && mred == mblue ?	/* gray shade */
+	     gx_render_gray_alpha(mred, cv_alpha, pdc, pis, dev, select) :
+	     gx_render_rgb_alpha(mred, mgreen, mblue, cv_alpha, pdc, pis, dev, select)) == 1)
+	    gx_color_load_select(pdc, pis, dev, select);
+    }
+}
+
+/* Currently CMYK devices can't handle alpha. */
+/* Just multiply the values towards white. */
+private void
+cmap_rgb_alpha_to_cmyk(frac r, frac g, frac b, frac alpha,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		       gs_color_select_t select)
+{
+#ifdef PREMULTIPLY_TOWARDS_WHITE
+#  undef alpha_bias_value
+    frac alpha_bias_value = frac_1 - alpha;
+
+#endif
+
+    cmap_rgb_to_cmyk(alpha_bias((frac) ((long)r * alpha / frac_1)),
+		     alpha_bias((frac) ((long)g * alpha / frac_1)),
+		     alpha_bias((frac) ((long)b * alpha / frac_1)),
+		     pdc, pis, dev, select);
+}
+
+#undef alpha_bias
+#undef alpha_bias_value
+
+/* ------ Transfer function mapping ------ */
+
+/* Define the generic transfer function for the library layer. */
+/* This just returns what's already in the map. */
+float
+gs_mapped_transfer(floatp value, const gx_transfer_map * pmap)
+{
+    return gx_map_color_float(pmap, value);
+}
+
+#if FRAC_MAP_INTERPOLATE	/* NOTA BENE */
+
+/* Map a color fraction through a transfer map. */
+/* We only use this if we are interpolating. */
+frac
+gx_color_frac_map(frac cv, const frac * values)
+{
+#define cp_frac_bits (frac_bits - log2_transfer_map_size)
+    int cmi = frac2bits_floor(cv, log2_transfer_map_size);
+    frac mv = values[cmi];
+    int rem, mdv;
+
+    /* Interpolate between two adjacent values if needed. */
+    rem = cv - bits2frac(cmi, log2_transfer_map_size);
+    if (rem == 0)
+	return mv;
+    mdv = values[cmi + 1] - mv;
+#if arch_ints_are_short
+    /* Only use long multiplication if necessary. */
+    if (mdv < -1 << (16 - cp_frac_bits) ||
+	mdv > 1 << (16 - cp_frac_bits)
+	)
+	return mv + (uint) (((ulong) rem * mdv) >> cp_frac_bits);
+#endif
+    return mv + ((rem * mdv) >> cp_frac_bits);
+#undef cp_frac_bits
+}
+
+#endif /* FRAC_MAP_INTERPOLATE */
+
+/* ------ Default device color mapping ------ */
+
+/* RGB mapping for black-and-white devices */
+
+/* White-on-black */
+gx_color_index
+gx_default_w_b_map_rgb_color(gx_device * dev,
+		       gx_color_value r, gx_color_value g, gx_color_value b)
+{				/* Map values >= 1/2 to 1, < 1/2 to 0. */
+    return ((r | g | b) > gx_max_color_value / 2 ?
+	    (gx_color_index) 1 : (gx_color_index) 0);
+}
+int
+gx_default_w_b_map_color_rgb(gx_device * dev, gx_color_index color,
+			     gx_color_value prgb[3])
+{				/* Map 1 to max_value, 0 to 0. */
+    prgb[0] = prgb[1] = prgb[2] = -(gx_color_value) color;
+    return 0;
+}
+/* Black-on-white */
+gx_color_index
+gx_default_b_w_map_rgb_color(gx_device * dev,
+		       gx_color_value r, gx_color_value g, gx_color_value b)
+{				/* Map values >= 1/2 to 0, < 1/2 to 1. */
+    return ((r | g | b) > gx_max_color_value / 2 ?
+	    (gx_color_index) 0 : (gx_color_index) 1);
+}
+int
+gx_default_b_w_map_color_rgb(gx_device * dev, gx_color_index color,
+			     gx_color_value prgb[3])
+{				/* Map 0 to max_value, 1 to 0. */
+    prgb[0] = prgb[1] = prgb[2] = -((gx_color_value) color ^ 1);
+    return 0;
+}
+
+/* RGB mapping for gray-scale devices */
+
+gx_color_index
+gx_default_gray_map_rgb_color(gx_device * dev,
+		       gx_color_value r, gx_color_value g, gx_color_value b)
+{				/* We round the value rather than truncating it. */
+    gx_color_value gray =
+    (((r * (ulong) lum_red_weight) +
+      (g * (ulong) lum_green_weight) +
+      (b * (ulong) lum_blue_weight) +
+      (lum_all_weights / 2)) / lum_all_weights
+     * dev->color_info.max_gray +
+     (gx_max_color_value / 2)) / gx_max_color_value;
+
+    return gray;
+}
+
+int
+gx_default_gray_map_color_rgb(gx_device * dev, gx_color_index color,
+			      gx_color_value prgb[3])
+{
+    gx_color_value gray =
+    color * gx_max_color_value / dev->color_info.max_gray;
+
+    prgb[0] = gray;
+    prgb[1] = gray;
+    prgb[2] = gray;
+    return 0;
+}
+
+/* RGB mapping for 24-bit true (RGB) color devices */
+
+gx_color_index
+gx_default_rgb_map_rgb_color(gx_device * dev,
+		       gx_color_value r, gx_color_value g, gx_color_value b)
+{
+    if (dev->color_info.depth == 24)
+	return gx_color_value_to_byte(b) +
+	    ((uint) gx_color_value_to_byte(g) << 8) +
+	    ((ulong) gx_color_value_to_byte(r) << 16);
+    else {
+	uint bits_per_color = dev->color_info.depth / 3;
+	ulong max_value = (1 << bits_per_color) - 1;
+
+	return ((r * max_value / gx_max_color_value) << (bits_per_color * 2)) +
+	    ((g * max_value / gx_max_color_value) << (bits_per_color)) +
+	    (b * max_value / gx_max_color_value);
+    }
+}
+
+/* Map a color index to a r-g-b color. */
+int
+gx_default_rgb_map_color_rgb(gx_device * dev, gx_color_index color,
+			     gx_color_value prgb[3])
+{
+    if (dev->color_info.depth == 24) {
+	prgb[0] = gx_color_value_from_byte(color >> 16);
+	prgb[1] = gx_color_value_from_byte((color >> 8) & 0xff);
+	prgb[2] = gx_color_value_from_byte(color & 0xff);
+    } else {
+	uint bits_per_color = dev->color_info.depth / 3;
+	uint color_mask = (1 << bits_per_color) - 1;
+
+	prgb[0] = ((color >> (bits_per_color * 2)) & color_mask) *
+	    (ulong) gx_max_color_value / color_mask;
+	prgb[1] = ((color >> (bits_per_color)) & color_mask) *
+	    (ulong) gx_max_color_value / color_mask;
+	prgb[2] = (color & color_mask) *
+	    (ulong) gx_max_color_value / color_mask;
+    }
+    return 0;
+}
+
+/* CMYK mapping for RGB devices (should never be called!) */
+
+gx_color_index
+gx_default_map_cmyk_color(gx_device * dev,
+     gx_color_value c, gx_color_value m, gx_color_value y, gx_color_value k)
+{				/* Convert to RGB */
+    frac rgb[3];
+
+    color_cmyk_to_rgb(cv2frac(c), cv2frac(m), cv2frac(y), cv2frac(k),
+		      NULL, rgb);
+    return gx_map_rgb_color(dev, frac2cv(rgb[0]),
+			    frac2cv(rgb[1]), frac2cv(rgb[2]));
+}
+
+/* CMYK mapping for CMYK devices */
+
+gx_color_index
+gx_default_cmyk_map_cmyk_color(gx_device * dev,
+     gx_color_value c, gx_color_value m, gx_color_value y, gx_color_value k)
+{
+    gx_color_index color =
+    (gx_color_value_to_byte(k) +
+     ((uint) gx_color_value_to_byte(y) << 8)) +
+    ((ulong) (gx_color_value_to_byte(m) +
+	      ((uint) gx_color_value_to_byte(c) << 8)) << 16);
+
+    return (color == gx_no_color_index ? color ^ 1 : color);
+}
+
+/* Default mapping between RGB+alpha and RGB. */
+
+gx_color_index
+gx_default_map_rgb_alpha_color(gx_device * dev,
+ gx_color_value r, gx_color_value g, gx_color_value b, gx_color_value alpha)
+{				/* Colors have been premultiplied: we don't need to do it here. */
+    return gx_map_rgb_color(dev, r, g, b);
+}
+
+int
+gx_default_map_color_rgb_alpha(gx_device * dev, gx_color_index color,
+			       gx_color_value prgba[4])
+{
+    prgba[3] = gx_max_color_value;	/* alpha = 1 */
+    return (*dev_proc(dev, map_color_rgb)) (dev, color, prgba);
+}
diff --git a/pstoraster/gxcmap.h b/pstoraster/gxcmap.h
new file mode 100644
index 000000000..89b3e09d5
--- /dev/null
+++ b/pstoraster/gxcmap.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdcolor.h, gxdevice.h. */
+
+#ifndef gxcmap_INCLUDED
+#  define gxcmap_INCLUDED
+
+#include "gscsel.h"
+#include "gxfmap.h"
+
+/* Procedures for rendering colors specified by fractions. */
+
+#define cmap_proc_gray(proc)\
+  void proc(P5(frac, gx_device_color *, const gs_imager_state *,\
+	       gx_device *, gs_color_select_t))
+#define cmap_proc_rgb(proc)\
+  void proc(P7(frac, frac, frac, gx_device_color *, const gs_imager_state *,\
+	       gx_device *, gs_color_select_t))
+#define cmap_proc_cmyk(proc)\
+  void proc(P8(frac, frac, frac, frac, gx_device_color *,\
+	       const gs_imager_state *, gx_device *, gs_color_select_t))
+#define cmap_proc_rgb_alpha(proc)\
+  void proc(P8(frac, frac, frac, frac, gx_device_color *,\
+	       const gs_imager_state *, gx_device *, gs_color_select_t))
+
+/* Because of a bug in the Watcom C compiler, */
+/* we have to split the struct from the typedef. */
+struct gx_color_map_procs_s {
+    cmap_proc_gray((*map_gray));
+    cmap_proc_rgb((*map_rgb));
+    cmap_proc_cmyk((*map_cmyk));
+    cmap_proc_rgb_alpha((*map_rgb_alpha));
+};
+typedef struct gx_color_map_procs_s gx_color_map_procs;
+
+/* Determine the color mapping procedures for a device. */
+const gx_color_map_procs *gx_device_cmap_procs(P1(const gx_device *));
+
+/* Set the color mapping procedures in the graphics state. */
+/* This is only needed when switching devices. */
+void gx_set_cmap_procs(P2(gs_imager_state *, const gx_device *));
+
+/* Remap a concrete (frac) RGB or CMYK color. */
+/* These cannot fail, and do not return a value. */
+#define gx_remap_concrete_rgb(cr, cg, cb, pdc, pgs, dev, select)\
+  (*pgs->cmap_procs->map_rgb)(cr, cg, cb, pdc, pgs, dev, select)
+#define gx_remap_concrete_cmyk(cc, cm, cy, ck, pdc, pgs, dev, select)\
+  (*pgs->cmap_procs->map_cmyk)(cc, cm, cy, ck, pdc, pgs, dev, select)
+#define gx_remap_concrete_rgb_alpha(cr, cg, cb, ca, pdc, pgs, dev, select)\
+  (*pgs->cmap_procs->map_rgb_alpha)(cr, cg, cb, ca, pdc, pgs, dev, select)
+
+/* Map a color, with optional tracing if we are debugging. */
+#ifdef DEBUG
+/* Use procedures in gxcmap.c */
+#include "gxcvalue.h"
+gx_color_index gx_proc_map_rgb_color(P4(gx_device *,
+			   gx_color_value, gx_color_value, gx_color_value));
+gx_color_index gx_proc_map_rgb_alpha_color(P5(gx_device *,
+	   gx_color_value, gx_color_value, gx_color_value, gx_color_value));
+gx_color_index gx_proc_map_cmyk_color(P5(gx_device *,
+	   gx_color_value, gx_color_value, gx_color_value, gx_color_value));
+
+#  define gx_map_rgb_color(dev, vr, vg, vb)\
+     gx_proc_map_rgb_color(dev, vr, vg, vb)
+#  define gx_map_rgb_alpha_color(dev, vr, vg, vb, va)\
+     gx_proc_map_rgb_alpha_color(dev, vr, vg, vb, va)
+#  define gx_map_cmyk_color(dev, vc, vm, vy, vk)\
+     gx_proc_map_cmyk_color(dev, vc, vm, vy, vk)
+#else
+#  define gx_map_rgb_color(dev, vr, vg, vb)\
+     (*dev_proc(dev, map_rgb_color))(dev, vr, vg, vb)
+#  define gx_map_rgb_alpha_color(dev, vr, vg, vb, va)\
+     (*dev_proc(dev, map_rgb_alpha_color))(dev, vr, vg, vb, va)
+#  define gx_map_cmyk_color(dev, vc, vm, vy, vk)\
+     (*dev_proc(dev, map_cmyk_color))(dev, vc, vm, vy, vk)
+#endif
+
+#endif /* gxcmap_INCLUDED */
diff --git a/pstoraster/gxcolor2.h b/pstoraster/gxcolor2.h
new file mode 100644
index 000000000..45a8ea2df
--- /dev/null
+++ b/pstoraster/gxcolor2.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for Level 2 color routines */
+/* Requires gsstruct.h, gxfixed.h */
+
+#ifndef gxcolor2_INCLUDED
+#  define gxcolor2_INCLUDED
+
+#include "gscolor2.h"
+#include "gsrefct.h"
+#include "gxbitmap.h"
+
+/* Cache for Indexed color with procedure, or Separation color. */
+struct gs_indexed_map_s {
+    rc_header rc;
+    union {
+	int (*lookup_index) (P3(const gs_indexed_params *, int, float *));
+	int (*tint_transform) (P3(const gs_separation_params *, floatp, float *));
+    } proc;
+    uint num_values;		/* base_space->type->num_components * (hival + 1) */
+    float *values;		/* actually [num_values] */
+};
+
+extern_st(st_indexed_map);
+#define public_st_indexed_map() /* in gscolor2.c */\
+  gs_public_st_ptrs1(st_indexed_map, gs_indexed_map, "gs_indexed_map",\
+    indexed_map_enum_ptrs, indexed_map_reloc_ptrs, values)
+
+/* Allocate an indexed map and its values. */
+int alloc_indexed_map(P4(gs_indexed_map ** ppmap, int num_values,
+			 gs_memory_t * mem, client_name_t cname));
+
+/* Free an indexed map and its values when the reference count goes to 0. */
+rc_free_proc(free_indexed_map);
+
+/*
+ * We define 'tiling space' as the space in which (0,0) is the origin of
+ * the key pattern cell and in which coordinate (i,j) is displaced by
+ * i * XStep + j * YStep from the origin.  In this space, it is easy to
+ * compute a (rectangular) set of tile copies that cover a (rectangular)
+ * region to be tiled.  Note that since all we care about is that the
+ * stepping matrix (the transformation from tiling space to device space)
+ * yield the right set of coordinates for integral X and Y values, we can
+ * adjust it to make the tiling computation easier; in particular, we can
+ * arrange it so that all 4 transformation factors are non-negative.
+ */
+
+/* Implementation of Pattern instances. */
+struct gs_pattern_instance_s {
+    rc_header rc;
+    gs_client_pattern template;
+    /* Following are created by makepattern */
+    gs_state *saved;
+    gs_matrix step_matrix;	/* tiling space -> device space */
+    gs_rect bbox;		/* bbox of tile in tiling space */
+    bool is_simple;		/* true if xstep/ystep = tile size */
+    /*
+     * uses_mask is always true for PostScript patterns, but is false
+     * for bitmap patterns that don't have explicit transparent pixels.
+     */
+    bool uses_mask;	        /* if true, pattern mask must be created */
+    gs_int_point size;		/* in device coordinates */
+    gx_bitmap_id id;		/* key for cached bitmap */
+    /* (= id of mask) */
+};
+
+/* The following is only public for a type test in the interpreter */
+/* (.buildpattern operator). */
+extern_st(st_pattern_instance);
+#define public_st_pattern_instance() /* in gspcolor.c */\
+  gs_public_st_ptrs_add1(st_pattern_instance, gs_pattern_instance,\
+    "pattern instance", pattern_instance_enum_ptrs,\
+    pattern_instance_reloc_ptrs, st_pattern1_template, template, saved)
+
+#endif /* gxcolor2_INCLUDED */
diff --git a/pstoraster/gxcomp.h b/pstoraster/gxcomp.h
new file mode 100644
index 000000000..d2927b280
--- /dev/null
+++ b/pstoraster/gxcomp.h
@@ -0,0 +1,113 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for implementing compositing functions */
+
+#ifndef gxcomp_INCLUDED
+#  define gxcomp_INCLUDED
+
+#include "gscompt.h"
+#include "gsrefct.h"
+#include "gxbitfmt.h"
+
+/*
+ * Define the abstract superclass for all compositing function types.
+ */
+						   /*typedef struct gs_composite_s gs_composite_t; *//* in gscompt.h */
+
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+
+typedef struct gs_composite_type_procs_s {
+
+    /*
+     * Create the default compositor for a compositing function.
+     */
+#define composite_create_default_compositor_proc(proc)\
+  int proc(P5(const gs_composite_t *pcte, gx_device **pcdev,\
+    gx_device *dev, const gs_imager_state *pis, gs_memory_t *mem))
+    composite_create_default_compositor_proc((*create_default_compositor));
+
+    /*
+     * Test whether this function is equal to another one.
+     */
+#define composite_equal_proc(proc)\
+  bool proc(P2(const gs_composite_t *pcte, const gs_composite_t *pcte2))
+    composite_equal_proc((*equal));
+
+    /*
+     * Convert the representation of this function to a string
+     * for writing in a command list.  *psize is the amount of space
+     * available.  If it is large enough, the procedure sets *psize
+     * to the amount used and returns 0; if it is not large enough,
+     * the procedure sets *psize to the amount needed and returns a
+     * rangecheck error; in the case of any other error, *psize is
+     * not changed.
+     */
+#define composite_write_proc(proc)\
+  int proc(P3(const gs_composite_t *pcte, byte *data, uint *psize))
+    composite_write_proc((*write));
+
+    /*
+     * Convert the string representation of a function back to
+     * a structure, allocating the structure.
+     */
+#define composite_read_proc(proc)\
+  int proc(P4(gs_composite_t **ppcte, const byte *data, uint size,\
+    gs_memory_t *mem))
+    composite_read_proc((*read));
+
+} gs_composite_type_procs_t;
+typedef struct gs_composite_type_s {
+    gs_composite_type_procs_t procs;
+} gs_composite_type_t;
+
+/*
+ * Compositing objects are reference-counted, because graphics states will
+ * eventually reference them.  Note that the common part has no
+ * garbage-collectible pointers and is never actually instantiated, so no
+ * structure type is needed for it.
+ */
+#define gs_composite_common\
+	const gs_composite_type_t *type;\
+	gs_id id;		/* see gscompt.h */\
+	rc_header rc
+struct gs_composite_s {
+    gs_composite_common;
+};
+
+/* Replace a procedure with a macro. */
+#define gs_composite_id(pcte) ((pcte)->id)
+
+#endif /* gxcomp_INCLUDED */
diff --git a/pstoraster/gxcoord.h b/pstoraster/gxcoord.h
new file mode 100644
index 000000000..b341bde89
--- /dev/null
+++ b/pstoraster/gxcoord.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxmatrix.h and gzstate.h */
+
+#ifndef gxcoord_INCLUDED
+#  define gxcoord_INCLUDED
+
+#include "gscoord.h"
+
+/* Set the translation to a fixed value, and translate any existing path. */
+/* Used by gschar.c to prepare for a BuildChar or BuildGlyph procedure. */
+int gx_translate_to_fixed(P3(gs_state *, fixed, fixed));
+
+/* Scale the CTM and character matrix for oversampling. */
+int gx_scale_char_matrix(P3(gs_state *, int, int));
+
+/* Compute the coefficients for fast fixed-point distance transformations */
+/* from a transformation matrix. */
+int gx_matrix_to_fixed_coeff(P3(const gs_matrix *, fixed_coeff *, int));
+
+#endif /* gxcoord_INCLUDED */
diff --git a/pstoraster/gxcpath.c b/pstoraster/gxcpath.c
new file mode 100644
index 000000000..e4e980bf8
--- /dev/null
+++ b/pstoraster/gxcpath.c
@@ -0,0 +1,962 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation of clipping paths, other than actual clipping */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"
+#include "gsline.h"
+#include "gxdevice.h"
+#include "gxfixed.h"
+#include "gscoord.h"		/* needs gsmatrix.h */
+#include "gxstate.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+
+/* Imported from gxacpath.c */
+extern int gx_cpath_intersect_slow(P4(gs_state *, gx_clip_path *,
+				      gx_path *, int));
+
+/* Forward references */
+private void gx_clip_list_from_rectangle(P2(gx_clip_list *, gs_fixed_rect *));
+
+/* Other structure types */
+public_st_clip_rect();
+private_st_clip_list();
+public_st_clip_path();
+private_st_clip_rect_list();
+public_st_device_clip();
+private_st_cpath_enum();
+
+/* GC procedures for gx_clip_path */
+#define cptr ((gx_clip_path *)vptr)
+private 
+ENUM_PTRS_BEGIN(clip_path_enum_ptrs) return ENUM_USING(st_path, &cptr->path, sizeof(cptr->path), index - 1);
+
+case 0:
+ENUM_RETURN((cptr->rect_list == &cptr->local_list ? 0 :
+	     cptr->rect_list));
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(clip_path_reloc_ptrs)
+{
+    if (cptr->rect_list != &cptr->local_list)
+	RELOC_VAR(cptr->rect_list);
+    RELOC_USING(st_path, &cptr->path, sizeof(gx_path));
+}
+RELOC_PTRS_END
+#undef cptr
+
+/* GC procedures for gx_device_clip */
+#define cptr ((gx_device_clip *)vptr)
+private ENUM_PTRS_BEGIN(device_clip_enum_ptrs)
+{
+    if (index < st_clip_list_max_ptrs + 1)
+	return ENUM_USING(st_clip_list, &cptr->list,
+			  sizeof(gx_clip_list), index - 1);
+    return ENUM_USING(st_device_forward, vptr,
+		      sizeof(gx_device_forward),
+		      index - (st_clip_list_max_ptrs + 1));
+}
+case 0:
+ENUM_RETURN((cptr->current == &cptr->list.single ? NULL :
+	     (void *)cptr->current));
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(device_clip_reloc_ptrs)
+{
+    if (cptr->current == &cptr->list.single)
+	cptr->current = &((gx_device_clip *)RELOC_OBJ(vptr))->list.single;
+    else
+	RELOC_PTR(gx_device_clip, current);
+    RELOC_USING(st_clip_list, &cptr->list, sizeof(gx_clip_list));
+    RELOC_USING(st_device_forward, vptr, sizeof(gx_device_forward));
+}
+RELOC_PTRS_END
+#undef cptr
+
+/* Define an empty clip list. */
+private const gx_clip_list clip_list_empty =
+{
+    {0, 0, min_int, max_int, 0, 0},
+    0, 0, 0, 0			/*false */
+};
+
+/* Debugging */
+
+#ifdef DEBUG
+/* Validate a clipping path. */
+bool				/* only exported for gxacpath.c */
+clip_list_validate(const gx_clip_list * clp)
+{
+    if (clp->count <= 1)
+	return (clp->head == 0 && clp->tail == 0 &&
+		clp->single.next == 0 && clp->single.prev == 0);
+    else {
+	const gx_clip_rect *prev = clp->head;
+	const gx_clip_rect *ptr;
+	bool ok = true;
+
+	while ((ptr = prev->next) != 0) {
+	    if (ptr->ymin > ptr->ymax || ptr->xmin > ptr->xmax ||
+		!(ptr->ymin >= prev->ymax ||
+		  (ptr->ymin == prev->ymin &&
+		   ptr->ymax == prev->ymax &&
+		   ptr->xmin >= prev->xmax)) ||
+		ptr->prev != prev
+		) {
+		clip_rect_print('q', "WRONG:", ptr);
+		ok = false;
+	    }
+	    prev = ptr;
+	}
+	return ok && prev == clp->tail;
+    }
+}
+#endif
+
+/* ------ Clipping path memory management ------ */
+
+private rc_free_proc(rc_free_cpath_list);
+private rc_free_proc(rc_free_cpath_list_local);
+
+/* Initialize those parts of the contents of a clip path that aren't */
+/* part of the path. */
+private void
+cpath_init_rectangle(gx_clip_path * pcpath, gs_fixed_rect * pbox)
+{
+    gx_clip_list_from_rectangle(&pcpath->rect_list->list, pbox);
+    pcpath->inner_box = *pbox;
+    pcpath->path_valid = false;
+    pcpath->path.bbox = *pbox;
+    gx_cpath_set_outer_box(pcpath);
+    pcpath->id = gs_next_ids(1);	/* path changed => change id */
+}
+private void
+cpath_init_own_contents(gx_clip_path * pcpath)
+{				/* We could make null_rect static, but then it couldn't be const. */
+    gs_fixed_rect null_rect;
+
+    null_rect.p.x = null_rect.p.y = null_rect.q.x = null_rect.q.y = 0;
+    cpath_init_rectangle(pcpath, &null_rect);
+}
+private void
+cpath_share_own_contents(gx_clip_path * pcpath, const gx_clip_path * shared)
+{
+    pcpath->inner_box = shared->inner_box;
+    pcpath->path_valid = shared->path_valid;
+    pcpath->outer_box = shared->outer_box;
+    pcpath->id = shared->id;
+}
+
+/* Allocate only the segments of a clipping path on the heap. */
+private int
+cpath_alloc_list(gx_clip_rect_list ** prlist, gs_memory_t * mem,
+		 client_name_t cname)
+{
+    rc_alloc_struct_1(*prlist, gx_clip_rect_list, &st_clip_rect_list, mem,
+		      return_error(gs_error_VMerror), cname);
+    (*prlist)->rc.free = rc_free_cpath_list;
+    return 0;
+}
+int
+gx_cpath_init_contained_shared(gx_clip_path * pcpath,
+	const gx_clip_path * shared, gs_memory_t * mem, client_name_t cname)
+{
+    if (shared) {
+	if (shared->path.segments == &shared->path.local_segments) {
+	    lprintf1("Attempt to share (local) segments of clip path 0x%lx!\n",
+		     (ulong) shared);
+	    return_error(gs_error_Fatal);
+	}
+	*pcpath = *shared;
+	pcpath->path.memory = mem;
+	pcpath->path.allocation = path_allocated_contained;
+	rc_increment(pcpath->path.segments);
+	rc_increment(pcpath->rect_list);
+    } else {
+	int code = cpath_alloc_list(&pcpath->rect_list, mem, cname);
+
+	if (code < 0)
+	    return code;
+	code = gx_path_alloc_contained(&pcpath->path, mem, cname);
+	if (code < 0) {
+	    gs_free_object(mem, pcpath->rect_list, cname);
+	    pcpath->rect_list = 0;
+	    return code;
+	}
+	cpath_init_own_contents(pcpath);
+    }
+    return 0;
+}
+#define gx_cpath_alloc_contents(pcpath, shared, mem, cname)\
+  gx_cpath_init_contained_shared(pcpath, shared, mem, cname)
+
+/* Allocate all of a clipping path on the heap. */
+gx_clip_path *
+gx_cpath_alloc_shared(const gx_clip_path * shared, gs_memory_t * mem,
+		      client_name_t cname)
+{
+    gx_clip_path *pcpath =
+    gs_alloc_struct(mem, gx_clip_path, &st_clip_path, cname);
+    int code;
+
+    if (pcpath == 0)
+	return 0;
+    code = gx_cpath_alloc_contents(pcpath, shared, mem, cname);
+    if (code < 0) {
+	gs_free_object(mem, pcpath, cname);
+	return 0;
+    }
+    pcpath->path.allocation = path_allocated_on_heap;
+    return pcpath;
+}
+
+/* Initialize a stack-allocated clipping path. */
+int
+gx_cpath_init_local_shared(gx_clip_path * pcpath, const gx_clip_path * shared,
+			   gs_memory_t * mem)
+{
+    if (shared) {
+	if (shared->path.segments == &shared->path.local_segments) {
+	    lprintf1("Attempt to share (local) segments of clip path 0x%lx!\n",
+		     (ulong) shared);
+	    return_error(gs_error_Fatal);
+	}
+	pcpath->path = shared->path;
+	pcpath->path.allocation = path_allocated_on_stack;
+	rc_increment(pcpath->path.segments);
+	pcpath->rect_list = shared->rect_list;
+	rc_increment(pcpath->rect_list);
+	cpath_share_own_contents(pcpath, shared);
+    } else {
+	gx_path_init_local(&pcpath->path, mem);
+	rc_init_free(&pcpath->local_list, mem, 1, rc_free_cpath_list_local);
+	pcpath->rect_list = &pcpath->local_list;
+	cpath_init_own_contents(pcpath);
+    }
+    return 0;
+}
+
+/* Unshare a clipping path. */
+int
+gx_cpath_unshare(gx_clip_path * pcpath)
+{
+    int code = gx_path_unshare(&pcpath->path);
+    gx_clip_rect_list *rlist = pcpath->rect_list;
+
+    if (code < 0)
+	return code;
+    if (rlist->rc.ref_count > 1) {
+	int code = cpath_alloc_list(&pcpath->rect_list, pcpath->path.memory,
+				    "gx_cpath_unshare");
+
+	if (code < 0)
+	    return code;
+	/* Copy the rectangle list. */
+/**************** NYI ****************/
+	rc_decrement(rlist, "gx_cpath_unshare");
+    }
+    return code;
+}
+
+/* Free a clipping path. */
+void
+gx_cpath_free(gx_clip_path * pcpath, client_name_t cname)
+{
+    rc_decrement(pcpath->rect_list, cname);
+    /* Clean up pointers for GC. */
+    pcpath->rect_list = 0;
+    {
+	gx_path_allocation_t alloc = pcpath->path.allocation;
+
+	if (alloc == path_allocated_on_heap) {
+	    pcpath->path.allocation = path_allocated_contained;
+	    gx_path_free(&pcpath->path, cname);
+	    gs_free_object(pcpath->path.memory, pcpath, cname);
+	} else
+	    gx_path_free(&pcpath->path, cname);
+    }
+}
+
+/* Assign a clipping path, preserving the source. */
+int
+gx_cpath_assign_preserve(gx_clip_path * pcpto, gx_clip_path * pcpfrom)
+{
+    int code = gx_path_assign_preserve(&pcpto->path, &pcpfrom->path);
+    gx_clip_rect_list *fromlist = pcpfrom->rect_list;
+    gx_clip_rect_list *tolist = pcpto->rect_list;
+    gx_path path;
+
+    if (code < 0)
+	return 0;
+    if (fromlist == &pcpfrom->local_list) {
+	/* We can't use pcpfrom's list object. */
+	if (tolist == &pcpto->local_list || tolist->rc.ref_count > 1) {
+	    /* We can't use pcpto's list either.  Allocate a new one. */
+	    int code = cpath_alloc_list(&tolist, tolist->rc.memory,
+					"gx_cpath_assign");
+
+	    if (code < 0)
+		return code;
+	    rc_decrement(pcpto->rect_list, "gx_cpath_assign");
+	} else {
+	    /* Use pcpto's list object. */
+	    rc_free_cpath_list_local(tolist->rc.memory, tolist,
+				     "gx_cpath_assign");
+	}
+	tolist->list = fromlist->list;
+	pcpfrom->rect_list = tolist;
+	rc_increment(tolist);
+    } else {
+	/* We can use pcpfrom's list object. */
+	rc_increment(fromlist);
+	rc_decrement(pcpto->rect_list, "gx_cpath_assign");
+    }
+    path = pcpto->path, *pcpto = *pcpfrom, pcpto->path = path;
+    return 0;
+}
+
+/* Assign a clipping path, releasing the source. */
+int
+gx_cpath_assign_free(gx_clip_path * pcpto, gx_clip_path * pcpfrom)
+{				/* For right now, just do assign + free. */
+    int code = gx_cpath_assign_preserve(pcpto, pcpfrom);
+
+    if (code < 0)
+	return 0;
+    gx_cpath_free(pcpfrom, "gx_cpath_assign_free");
+    return 0;
+}
+
+/* Free the clipping list when its reference count goes to zero. */
+private void
+rc_free_cpath_list_local(gs_memory_t * mem, void *vrlist,
+			 client_name_t cname)
+{
+    gx_clip_rect_list *rlist = (gx_clip_rect_list *) vrlist;
+
+    gx_clip_list_free(&rlist->list, mem);
+}
+private void
+rc_free_cpath_list(gs_memory_t * mem, void *vrlist, client_name_t cname)
+{
+    rc_free_cpath_list_local(mem, vrlist, cname);
+    gs_free_object(mem, vrlist, cname);
+}
+
+/* ------ Clipping path accessing ------ */
+
+/* Return the path of a clipping path. */
+int
+gx_cpath_to_path(gx_clip_path * pcpath, gx_path * ppath)
+{
+    if (!pcpath->path_valid) {
+	/* Synthesize a path. */
+	gs_cpath_enum cenum;
+	gs_fixed_point pts[3];
+	gx_path rpath;
+	int code;
+
+	gx_path_init_local(&rpath, pcpath->path.memory);
+	gx_cpath_enum_init(&cenum, pcpath);
+	while ((code = gx_cpath_enum_next(&cenum, pts)) != 0) {
+	    switch (code) {
+		case gs_pe_moveto:
+		    code = gx_path_add_point(&rpath, pts[0].x, pts[0].y);
+		    break;
+		case gs_pe_lineto:
+		    code = gx_path_add_line_notes(&rpath, pts[0].x, pts[0].y,
+					       gx_cpath_enum_notes(&cenum));
+		    break;
+		case gs_pe_curveto:
+		    code = gx_path_add_curve_notes(&rpath, pts[0].x, pts[0].y,
+						   pts[1].x, pts[1].y,
+						   pts[2].x, pts[2].y,
+					       gx_cpath_enum_notes(&cenum));
+		    break;
+		case gs_pe_closepath:
+		    code = gx_path_close_subpath_notes(&rpath,
+					       gx_cpath_enum_notes(&cenum));
+		    break;
+		default:
+		    if (code >= 0)
+			code = gs_note_error(gs_error_unregistered);
+	    }
+	    if (code < 0)
+		break;
+	}
+	if (code >= 0)
+	    code = gx_path_assign_free(&pcpath->path, &rpath);
+	if (code < 0) {
+	    gx_path_free(&rpath, "gx_cpath_to_path error");
+	    return code;
+	}
+	pcpath->path_valid = true;
+    }
+    return gx_path_assign_preserve(ppath, &pcpath->path);
+}
+
+/* Return the inner and outer check rectangles for a clipping path. */
+/* Return true iff the path is a rectangle. */
+/* Note that these must return something strange if we are using */
+/* outside clipping. */
+bool
+gx_cpath_inner_box(const gx_clip_path * pcpath, gs_fixed_rect * pbox)
+{
+    if (gx_cpath_is_outside(pcpath)) {
+	pbox->p.x = pbox->p.y = pbox->q.x = pbox->q.y = 0;
+	return false;
+    } else {
+	*pbox = pcpath->inner_box;
+	return clip_list_is_rectangle(gx_cpath_list(pcpath));
+    }
+}
+bool
+gx_cpath_outer_box(const gx_clip_path * pcpath, gs_fixed_rect * pbox)
+{
+    if (gx_cpath_is_outside(pcpath)) {
+	pbox->p.x = pbox->p.y = min_fixed;
+	pbox->q.x = pbox->q.y = max_fixed;
+	return false;
+    } else {
+	*pbox = pcpath->outer_box;
+	return clip_list_is_rectangle(gx_cpath_list(pcpath));
+    }
+}
+
+/* Test if a clipping path includes a rectangle. */
+/* The rectangle need not be oriented correctly, i.e. x0 > x1 is OK. */
+bool
+gx_cpath_includes_rectangle(register const gx_clip_path * pcpath,
+			    fixed x0, fixed y0, fixed x1, fixed y1)
+{
+    return
+	(x0 <= x1 ?
+	 (pcpath->inner_box.p.x <= x0 && x1 <= pcpath->inner_box.q.x) :
+	 (pcpath->inner_box.p.x <= x1 && x0 <= pcpath->inner_box.q.x)) &&
+	(y0 <= y1 ?
+	 (pcpath->inner_box.p.y <= y0 && y1 <= pcpath->inner_box.q.y) :
+	 (pcpath->inner_box.p.y <= y1 && y0 <= pcpath->inner_box.q.y));
+}
+
+/* Set the current outsideness of a clipping path. */
+int
+gx_cpath_set_outside(gx_clip_path * pcpath, bool outside)
+{
+    if (outside != gx_cpath_list(pcpath)->outside) {
+	pcpath->id = gs_next_ids(1);	/* path changed => change id */
+	gx_cpath_list(pcpath)->outside = outside;
+    }
+    return 0;
+}
+
+/* Return the current outsideness of a clipping path. */
+bool
+gx_cpath_is_outside(const gx_clip_path * pcpath)
+{
+    return gx_cpath_list(pcpath)->outside;
+}
+
+/* Set the outer clipping box to the path bounding box, */
+/* expanded to pixel boundaries. */
+void
+gx_cpath_set_outer_box(gx_clip_path * pcpath)
+{
+    pcpath->outer_box.p.x = fixed_floor(pcpath->path.bbox.p.x);
+    pcpath->outer_box.p.y = fixed_floor(pcpath->path.bbox.p.y);
+    pcpath->outer_box.q.x = fixed_ceiling(pcpath->path.bbox.q.x);
+    pcpath->outer_box.q.y = fixed_ceiling(pcpath->path.bbox.q.y);
+}
+
+/* ------ Clipping path setting ------ */
+
+/* Create a rectangular clipping path. */
+/* The supplied rectangle may not be oriented correctly, */
+/* but it will be oriented correctly upon return. */
+private int
+cpath_set_rectangle(gx_clip_path * pcpath, gs_fixed_rect * pbox)
+{
+    gx_clip_rect_list *rlist = pcpath->rect_list;
+
+    if (rlist->rc.ref_count <= 1)
+	gx_clip_list_free(&rlist->list, rlist->rc.memory);
+    else {
+	int code = cpath_alloc_list(&pcpath->rect_list, pcpath->path.memory,
+				    "gx_cpath_from_rectangle");
+
+	if (code < 0)
+	    return code;
+	rc_decrement(rlist, "gx_cpath_from_rectangle");
+	rlist = pcpath->rect_list;
+    }
+    cpath_init_rectangle(pcpath, pbox);
+    return 0;
+}
+int
+gx_cpath_from_rectangle(gx_clip_path * pcpath, gs_fixed_rect * pbox)
+{
+    int code = gx_path_new(&pcpath->path);
+
+    if (code < 0)
+	return code;
+    return cpath_set_rectangle(pcpath, pbox);
+}
+int
+gx_cpath_reset(gx_clip_path * pcpath)
+{
+    gs_fixed_rect null_rect;
+
+    null_rect.p.x = null_rect.p.y = null_rect.q.x = null_rect.q.y = 0;
+    return gx_cpath_from_rectangle(pcpath, &null_rect);
+}
+
+/* Intersect a new clipping path with an old one. */
+/* Flatten the new path first (in a copy) if necessary. */
+int
+gx_cpath_clip(gs_state *pgs, gx_clip_path *pcpath, gx_path *ppath_orig,
+	      int rule)
+{
+    gx_path fpath;
+    gx_path *ppath = ppath_orig;
+    gs_fixed_rect old_box, new_box;
+    int code;
+
+    /* Flatten the path if necessary. */
+    if (gx_path_has_curves_inline(ppath)) {
+	gx_path_init_local(&fpath, gs_state_memory(pgs));
+	code = gx_path_add_flattened_accurate(ppath, &fpath,
+					      gs_currentflat(pgs),
+					      gs_currentaccuratecurves(pgs));
+	if (code < 0)
+	    return code;
+	ppath = &fpath;
+    }
+    /**************** SHOULD CHANGE THIS TO KEEP PATH ****************/
+    if (gx_cpath_inner_box(pcpath, &old_box) &&
+	((code = gx_path_is_rectangle(ppath, &new_box)) ||
+	 gx_path_is_void(ppath))
+	) {
+	bool changed = false;
+	bool outside = gx_cpath_is_outside(pcpath);
+
+	if (!code) {
+	    /* The new path is void. */
+	    if (gx_path_current_point(ppath, &new_box.p) < 0) {
+		/* Use the user space origin (arbitrarily). */
+		gs_point origin;
+
+		gs_transform(pgs, 0.0, 0.0, &origin);
+		new_box.p.x = float2fixed(origin.x);
+		new_box.p.y = float2fixed(origin.y);
+		changed = true;
+	    }
+	    new_box.q = new_box.p;
+	} else {
+	    /* Intersect the two rectangles if necessary. */
+	    if (old_box.p.x > new_box.p.x)
+		new_box.p.x = old_box.p.x, changed = true;
+	    if (old_box.p.y > new_box.p.y)
+		new_box.p.y = old_box.p.y, changed = true;
+	    if (old_box.q.x < new_box.q.x)
+		new_box.q.x = old_box.q.x, changed = true;
+	    if (old_box.q.y < new_box.q.y)
+		new_box.q.y = old_box.q.y, changed = true;
+	    /* Check for a degenerate rectangle. */
+	    if (new_box.q.x < new_box.p.x)
+		new_box.q.x = new_box.p.x;
+	    if (new_box.q.y < new_box.p.y)
+		new_box.q.y = new_box.p.y;
+	}
+	if (changed) {
+	    /* Defer constructing the path. */
+	    gx_path_new(&pcpath->path);
+	    pcpath->path_valid = false;
+	} else {
+	    gx_path_assign_preserve(&pcpath->path, ppath);
+	    pcpath->path_valid = true;
+	}
+	ppath->bbox = new_box;
+	cpath_set_rectangle(pcpath, &new_box);
+	pcpath->rect_list->list.outside = outside;
+    } else {
+	/* Existing clip path is not a rectangle.  Intersect the slow way. */
+	bool path_valid =
+	    gx_cpath_inner_box(pcpath, &old_box) &&
+	    gx_path_bbox(ppath, &new_box) >= 0 &&
+	    gx_cpath_includes_rectangle(pcpath,
+					new_box.p.x, new_box.p.y,
+					new_box.q.x, new_box.q.y);
+
+	code = gx_cpath_intersect_slow(pgs, pcpath, ppath, rule);
+	if (code >= 0 && path_valid) {
+	    gx_path_assign_preserve(&pcpath->path, ppath_orig);
+	    pcpath->path_valid = true;
+	}
+    }
+    if (ppath != ppath_orig)
+	gx_path_free(ppath, "gx_cpath_clip");
+    return code;
+}
+
+/* Scale a clipping path by a power of 2. */
+int
+gx_cpath_scale_exp2(gx_clip_path * pcpath, int log2_scale_x, int log2_scale_y)
+{
+    int code =
+	gx_path_scale_exp2(&pcpath->path, log2_scale_x, log2_scale_y);
+    gx_clip_list *list = gx_cpath_list(pcpath);
+    gx_clip_rect *pr;
+
+    if (code < 0)
+	return code;
+    /* Scale the fixed entries. */
+    gx_rect_scale_exp2(&pcpath->inner_box, log2_scale_x, log2_scale_y);
+    gx_rect_scale_exp2(&pcpath->outer_box, log2_scale_x, log2_scale_y);
+    /* Scale the clipping list. */
+    pr = list->head;
+    if (pr == 0)
+	pr = &list->single;
+    for (; pr != 0; pr = pr->next)
+	if (pr != list->head && pr != list->tail) {
+#define scale_v(v, s)\
+  if ( pr->v != min_int && pr->v != max_int )\
+    pr->v = (s >= 0 ? pr->v << s : pr->v >> -s)
+	    scale_v(xmin, log2_scale_x);
+	    scale_v(xmax, log2_scale_x);
+	    scale_v(ymin, log2_scale_y);
+	    scale_v(ymax, log2_scale_y);
+#undef scale_v
+	}
+    pcpath->id = gs_next_ids(1);	/* path changed => change id */
+    return 0;
+}
+
+/* ------ Clipping list routines ------ */
+
+/* Initialize a clip list. */
+void
+gx_clip_list_init(gx_clip_list * clp)
+{
+    *clp = clip_list_empty;
+}
+
+/* Initialize a clip list to a rectangle. */
+/* The supplied rectangle may not be oriented correctly, */
+/* but it will be oriented correctly upon return. */
+private void
+gx_clip_list_from_rectangle(register gx_clip_list * clp,
+			    register gs_fixed_rect * rp)
+{
+    gx_clip_list_init(clp);
+    if (rp->p.x > rp->q.x) {
+	fixed t = rp->p.x;
+
+	rp->p.x = rp->q.x;
+	rp->q.x = t;
+    }
+    if (rp->p.y > rp->q.y) {
+	fixed t = rp->p.y;
+
+	rp->p.y = rp->q.y;
+	rp->q.y = t;
+    }
+    clp->single.xmin = fixed2int_var(rp->p.x);
+    clp->single.ymin = fixed2int_var(rp->p.y);
+    clp->single.xmax = fixed2int_var_ceiling(rp->q.x);
+    clp->single.ymax = fixed2int_var_ceiling(rp->q.y);
+    clp->count = 1;
+    clp->outside = false;
+}
+
+/* Start enumerating a clipping path. */
+int
+gx_cpath_enum_init(gs_cpath_enum * penum, gx_clip_path * pcpath)
+{
+    if ((penum->using_path = pcpath->path_valid)) {
+	gx_path_enum_init(&penum->path_enum, &pcpath->path);
+	penum->rp = penum->visit = 0;
+    } else {
+	gx_path empty_path;
+	gx_clip_list *clp = gx_cpath_list(pcpath);
+	gx_clip_rect *head = (clp->count <= 1 ? &clp->single : clp->head);
+	gx_clip_rect *rp;
+
+	/* Initialize the pointers in the path_enum properly. */
+	gx_path_init_local(&empty_path, pcpath->path.memory);
+	gx_path_enum_init(&penum->path_enum, &empty_path);
+	penum->visit = head;
+	for (rp = head; rp != 0; rp = rp->next)
+	    rp->to_visit =
+		(rp->xmin < rp->xmax && rp->ymin < rp->ymax ?
+		 visit_left | visit_right : 0);
+	penum->rp = 0;		/* scan will initialize */
+	penum->any_rectangles = false;
+	penum->state = cpe_scan;
+	penum->have_line = false;
+    }
+    return 0;
+}
+
+/* Enumerate the next segment of a clipping path. */
+/* In general, this produces a path made up of zillions of tiny lines. */
+int
+gx_cpath_enum_next(gs_cpath_enum * penum, gs_fixed_point pts[3])
+{
+    if (penum->using_path)
+	return gx_path_enum_next(&penum->path_enum, pts);
+#define set_pt(xi, yi)\
+  (pts[0].x = int2fixed(xi), pts[0].y = int2fixed(yi))
+#define set_line(xi, yi)\
+  (penum->line_end.x = (xi), penum->line_end.y = (yi), penum->have_line = true)
+    if (penum->have_line) {
+	set_pt(penum->line_end.x, penum->line_end.y);
+	penum->have_line = false;
+	return gs_pe_lineto;
+    } {
+	gx_clip_rect *visit = penum->visit;
+	gx_clip_rect *rp = penum->rp;
+	cpe_visit_t first_visit = penum->first_visit;
+	cpe_state_t state = penum->state;
+	gx_clip_rect *look;
+	int code;
+
+	switch (state) {
+
+	    case cpe_scan:
+		/* Look for the start of an edge to trace. */
+		for (; visit != 0; visit = visit->next) {
+		    if (visit->to_visit & visit_left) {
+			set_pt(visit->xmin, visit->ymin);
+			first_visit = visit_left;
+			state = cpe_left;
+		    } else if (visit->to_visit & visit_right) {
+			set_pt(visit->xmax, visit->ymax);
+			first_visit = visit_right;
+			state = cpe_right;
+		    } else
+			continue;
+		    rp = visit;
+		    code = gs_pe_moveto;
+		    penum->any_rectangles = true;
+		    goto out;
+		}
+		/* We've enumerated all the edges. */
+		state = cpe_done;
+		if (!penum->any_rectangles) {
+		    /* We didn't have any rectangles. */
+		    set_pt(fixed_0, fixed_0);
+		    code = gs_pe_moveto;
+		    break;
+		}
+		/* falls through */
+
+	    case cpe_done:
+		/* All done. */
+		code = 0;
+		break;
+
+/* We can't use the BEGIN ... END hack here: we need to be able to break. */
+#define return_line(px, py)\
+  set_pt(px, py); code = gs_pe_lineto; break
+
+	    case cpe_left:
+
+	      left:		/* Trace upward along a left edge. */
+		/* We're at the lower left corner of rp. */
+		rp->to_visit &= ~visit_left;
+		/* Look for an adjacent rectangle above rp. */
+		for (look = rp;
+		     (look = look->next) != 0 &&
+		     (look->ymin == rp->ymin ||
+		      (look->ymin == rp->ymax && look->xmax <= rp->xmin));
+		    );
+		/* Now we know look->ymin >= rp->ymax. */
+		if (look == 0 || look->ymin > rp->ymax ||
+		    look->xmin >= rp->xmax
+		    ) {		/* No adjacent rectangle, switch directions. */
+		    state =
+			(rp == visit && first_visit == visit_right ? cpe_close :
+			 (set_line(rp->xmax, rp->ymax), cpe_right));
+		    return_line(rp->xmin, rp->ymax);
+		}
+		/* We found an adjacent rectangle. */
+		/* See if it also adjoins a rectangle to the left of rp. */
+		{
+		    gx_clip_rect *prev = rp->prev;
+		    gx_clip_rect *cur = rp;
+
+		    if (prev != 0 && prev->ymax == rp->ymax &&
+			look->xmin < prev->xmax
+			) {	/* There's an adjoining rectangle as well. */
+			/* Switch directions. */
+			rp = prev;
+			state =
+			    (rp == visit && first_visit == visit_right ? cpe_close :
+			     (set_line(prev->xmax, prev->ymax), cpe_right));
+			return_line(cur->xmin, cur->ymax);
+		    }
+		    rp = look;
+		    if (rp == visit && first_visit == visit_left)
+			state = cpe_close;
+		    else if (rp->xmin == cur->xmin)
+			goto left;
+		    else
+			set_line(rp->xmin, rp->ymin);
+		    return_line(cur->xmin, cur->ymax);
+		}
+
+	    case cpe_right:
+
+	      right:		/* Trace downward along a right edge. */
+		/* We're at the upper right corner of rp. */
+		rp->to_visit &= ~visit_right;
+		/* Look for an adjacent rectangle below rp. */
+		for (look = rp;
+		     (look = look->prev) != 0 &&
+		     (look->ymax == rp->ymax ||
+		      (look->ymax == rp->ymin && look->xmin >= rp->xmax));
+		    );
+		/* Now we know look->ymax <= rp->ymin. */
+		if (look == 0 || look->ymax < rp->ymin ||
+		    look->xmax <= rp->xmin
+		    ) {		/* No adjacent rectangle, switch directions. */
+		    state =
+			(rp == visit && first_visit == visit_left ? cpe_close :
+			 (set_line(rp->xmin, rp->ymin), cpe_left));
+		    return_line(rp->xmax, rp->ymin);
+		}
+		/* We found an adjacent rectangle. */
+		/* See if it also adjoins a rectangle to the right of rp. */
+		{
+		    gx_clip_rect *next = rp->next;
+		    gx_clip_rect *cur = rp;
+
+		    if (next != 0 && next->ymin == rp->ymin &&
+			look->xmax > next->xmin
+			) {	/* There's an adjoining rectangle as well. */
+			/* Switch directions. */
+			rp = next;
+			state =
+			    (rp == visit && first_visit == visit_left ? cpe_close :
+			     (set_line(next->xmin, next->ymin), cpe_left));
+			return_line(cur->xmax, cur->ymin);
+		    }
+		    rp = look;
+		    if (rp == visit && first_visit == visit_right)
+			state = cpe_close;
+		    else if (rp->xmax == cur->xmax)
+			goto right;
+		    else
+			set_line(rp->xmax, rp->ymax);
+		    return_line(cur->xmax, cur->ymin);
+		}
+
+#undef return_line
+
+	    case cpe_close:
+		/* We've gone all the way around an edge. */
+		code = gs_pe_closepath;
+		state = cpe_scan;
+		break;
+
+	    default:
+		return_error(gs_error_unknownerror);
+	}
+
+      out:			/* Store the state before exiting. */
+	penum->visit = visit;
+	penum->rp = rp;
+	penum->first_visit = first_visit;
+	penum->state = state;
+	return code;
+    }
+#undef set_pt
+#undef set_line
+}
+segment_notes
+gx_cpath_enum_notes(const gs_cpath_enum * penum)
+{
+    return sn_none;
+}
+
+/* Free a clip list. */
+void
+gx_clip_list_free(gx_clip_list * clp, gs_memory_t * mem)
+{
+    gx_clip_rect *rp = clp->tail;
+
+    while (rp != 0) {
+	gx_clip_rect *prev = rp->prev;
+
+	gs_free_object(mem, rp, "gx_clip_list_free");
+	rp = prev;
+    }
+    gx_clip_list_init(clp);
+}
+
+/* ------ Debugging printout ------ */
+
+#ifdef DEBUG
+
+/* Print a clipping path */
+void
+gx_cpath_print(const gx_clip_path * pcpath)
+{
+    const gx_clip_rect *pr;
+    const gx_clip_list *list = gx_cpath_list(pcpath);
+
+    if (pcpath->path_valid)
+	gx_path_print(&pcpath->path);
+    else
+	dlputs("   (path not valid)\n");
+    dlprintf4("   inner_box=(%g,%g),(%g,%g)\n",
+	      fixed2float(pcpath->inner_box.p.x),
+	      fixed2float(pcpath->inner_box.p.y),
+	      fixed2float(pcpath->inner_box.q.x),
+	      fixed2float(pcpath->inner_box.q.y));
+    dlprintf4("     outer_box=(%g,%g),(%g,%g)",
+	      fixed2float(pcpath->outer_box.p.x),
+	      fixed2float(pcpath->outer_box.p.y),
+	      fixed2float(pcpath->outer_box.q.x),
+	      fixed2float(pcpath->outer_box.q.y));
+    dprintf4("     rule=%d outside=%d count=%d list.refct=%ld\n",
+	     pcpath->rule, list->outside, list->count,
+	     pcpath->rect_list->rc.ref_count);
+    switch (list->count) {
+	case 0:
+	    pr = 0;
+	    break;
+	case 1:
+	    pr = &list->single;
+	    break;
+	default:
+	    pr = list->head;
+    }
+    for (; pr != 0; pr = pr->next)
+	dlprintf4("   rect: (%d,%d),(%d,%d)\n",
+		  pr->xmin, pr->ymin, pr->xmax, pr->ymax);
+}
+
+#endif /* DEBUG */
diff --git a/pstoraster/gxcpath.h b/pstoraster/gxcpath.h
new file mode 100644
index 000000000..04d358196
--- /dev/null
+++ b/pstoraster/gxcpath.h
@@ -0,0 +1,134 @@
+/* Copyright (C) 1991, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h */
+
+#ifndef gxcpath_INCLUDED
+#  define gxcpath_INCLUDED
+
+/* We expose the implementation of clipping lists so that clients */
+/* can allocate clipping lists or devices on the stack. */
+
+/*
+ * For clipping, a path is represented as a list of rectangles.
+ * Normally, a path is created as a list of segments;
+ * installing it as a clipping path creates the rectangle list.
+ * However, when the clipping path originates in some other way
+ * (e.g., from initclip, or for clipping a cached character),
+ * or if it is a non-trivial intersection of two paths,
+ * the resulting clipping path exists only as a rectangle list;
+ * clippath constructs the segment representation if needed.
+ * Note that even if the path only exists as a rectangle list,
+ * its bounding box (path.bbox) is still correct.
+ */
+
+/*
+ * Rectangle list structure.
+ * Consecutive gx_clip_rect entries either have the same Y values,
+ * or ymin of this entry >= ymax of the previous entry.
+ */
+typedef struct gx_clip_rect_s gx_clip_rect;
+struct gx_clip_rect_s {
+    gx_clip_rect *next, *prev;
+    int ymin, ymax;		/* ymax > ymin */
+    int xmin, xmax;		/* xmax > xmin */
+    byte to_visit;		/* bookkeeping for gs_clippath */
+};
+
+/* The descriptor is public only for gxacpath.c. */
+extern_st(st_clip_rect);
+#define public_st_clip_rect()	/* in gxcpath.c */\
+  gs_public_st_ptrs2(st_clip_rect, gx_clip_rect, "clip_rect",\
+    clip_rect_enum_ptrs, clip_rect_reloc_ptrs, next, prev)
+#define st_clip_rect_max_ptrs 2
+
+/*
+ * A clip list may consist either of a single rectangle,
+ * with null head and tail, or a list of rectangles.  In the latter case,
+ * there is a dummy head entry with p.x = q.x to cover Y values
+ * starting at min_int, and a dummy tail entry to cover Y values
+ * ending at max_int.  This eliminates the need for end tests.
+ */
+#ifndef gx_clip_list_DEFINED
+#  define gx_clip_list_DEFINED
+typedef struct gx_clip_list_s gx_clip_list;
+
+#endif
+struct gx_clip_list_s {
+    gx_clip_rect single;	/* (has next = prev = 0) */
+    gx_clip_rect *head;
+    gx_clip_rect *tail;
+    int count;			/* # of rectangles not counting */
+    /* head or tail */
+    bool outside;		/* if true, clip to outside of list */
+    /* rather than inside */
+};
+
+#define private_st_clip_list()	/* in gxcpath.c */\
+  gs_private_st_ptrs2(st_clip_list, gx_clip_list, "clip_list",\
+    clip_list_enum_ptrs, clip_list_reloc_ptrs, head, tail)
+#define st_clip_list_max_ptrs 2	/* head, tail */
+#define clip_list_is_rectangle(clp) ((clp)->count <= 1)
+
+/*
+ * Clipping devices provide for translation before clipping.
+ * This ability, a late addition, currently is used only in a few
+ * situations that require breaking up a transfer into pieces,
+ * but we suspect it could be used more widely.
+ */
+typedef struct gx_device_clip_s {
+    gx_device_forward_common;	/* target is set by client */
+    gx_clip_list list;		/* set by client */
+    gx_clip_rect *current;	/* cursor in list */
+    gs_int_point translation;
+} gx_device_clip;
+
+extern_st(st_device_clip);
+#define public_st_device_clip()	/* in gxcpath.c */\
+  gs_public_st_composite(st_device_clip, gx_device_clip,\
+    "gx_device_clip", device_clip_enum_ptrs, device_clip_reloc_ptrs)
+void gx_make_clip_translate_device(P5(gx_device_clip * dev, void *container,
+				const gx_clip_list * list, int tx, int ty));
+
+#define gx_make_clip_device(dev, container, list)\
+  gx_make_clip_translate_device(dev, container, list, 0, 0)
+void gx_make_clip_path_device(P2(gx_device_clip *, const gx_clip_path *));
+
+#define clip_rect_print(ch, str, ar)\
+  if_debug7(ch, "[%c]%s 0x%lx: (%d,%d),(%d,%d)\n", ch, str, (ulong)ar,\
+	    (ar)->xmin, (ar)->ymin, (ar)->xmax, (ar)->ymax)
+
+/* Routines exported from gxcpath.c for gxacpath.c */
+
+/* Initialize a clip list. */
+void gx_clip_list_init(P1(gx_clip_list *));
+
+/* Free a clip list. */
+void gx_clip_list_free(P2(gx_clip_list *, gs_memory_t *));
+
+/* Set the outer box for a clipping path from its bounding box. */
+void gx_cpath_set_outer_box(P1(gx_clip_path *));
+
+#endif /* gxcpath_INCLUDED */
diff --git a/pstoraster/gxcspace.h b/pstoraster/gxcspace.h
new file mode 100644
index 000000000..8737e3a2a
--- /dev/null
+++ b/pstoraster/gxcspace.h
@@ -0,0 +1,237 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation of color spaces */
+/* Requires gsstruct.h */
+
+#ifndef gxcspace_INCLUDED
+#  define gxcspace_INCLUDED
+
+#include "gscspace.h"		/* client interface */
+#include "gsccolor.h"
+#include "gscsel.h"
+#include "gxfrac.h"		/* for concrete colors */
+
+/* Define opaque types. */
+
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+
+/* Color space types (classes): */
+/*typedef struct gs_color_space_type_s gs_color_space_type; */
+struct gs_color_space_type_s {
+
+    gs_color_space_index index;
+
+    /*
+     * Define whether the space can be the base space for an Indexed
+     * color space or the alternate space for a Separation or DeviceN
+     * color space.
+     */
+
+    bool can_be_base_space;
+    bool can_be_alt_space;
+
+    /*
+     * Define the true structure type for this variant of the color
+     * space union.
+     */
+
+    gs_memory_type_ptr_t stype;
+
+    /* ------ Procedures ------ */
+
+    /*
+     * Define the number of components in a color of this space.  For
+     * Pattern spaces, where the number of components depends on the
+     * underlying space, this value is -1 for colored Patterns,
+     * -N-1 for uncolored Patterns, where N is the number of components
+     * in the base space.
+     */
+
+#define cs_proc_num_components(proc)\
+  int proc(P1(const gs_color_space *))
+#define cs_num_components(pcs)\
+  (*(pcs)->type->num_components)(pcs)
+                         cs_proc_num_components((*num_components));
+
+    /*
+     * Return the base or alternate color space underlying this one.
+     * Only defined for Indexed, Separation, DeviceN, and
+     * uncolored Pattern spaces; returns NULL for all others.
+     */
+
+#define cs_proc_base_space(proc)\
+  const gs_color_space *proc(P1(const gs_color_space *))
+#define cs_base_space(pcs)\
+  (*(pcs)->type->base_space)(pcs)
+                         cs_proc_base_space((*base_space));
+
+    /* Construct the initial color value for this space. */
+
+#define cs_proc_init_color(proc)\
+  void proc(P2(gs_client_color *, const gs_color_space *))
+#define cs_init_color(pcc, pcs)\
+  (*(pcs)->type->init_color)(pcc, pcs)
+#define cs_full_init_color(pcc, pcs)\
+  ((pcc)->pattern = 0, cs_init_color(pcc, pcs))
+                         cs_proc_init_color((*init_color));
+
+    /* Force a client color into its legal range. */
+
+#define cs_proc_restrict_color(proc)\
+  void proc(P2(gs_client_color *, const gs_color_space *))
+                         cs_proc_restrict_color((*restrict_color));
+
+    /* Return the concrete color space underlying this one. */
+    /* (Not defined for Pattern spaces.) */
+
+#define cs_proc_concrete_space(proc)\
+  const gs_color_space *proc(P2(const gs_color_space *,\
+				const gs_imager_state *))
+#define cs_concrete_space(pcs, pis)\
+  (*(pcs)->type->concrete_space)(pcs, pis)
+                         cs_proc_concrete_space((*concrete_space));
+
+    /*
+     * Reduce a color to a concrete color.  A concrete color is one
+     * that the device can handle directly (possibly with halftoning):
+     * a DeviceGray/RGB/CMYK/Pixel color, or a Separation or DeviceN
+     * color that does not use the alternate space.
+     * (Not defined for Pattern spaces.)
+     */
+
+#define cs_proc_concretize_color(proc)\
+  int proc(P4(const gs_client_color *, const gs_color_space *,\
+    frac *, const gs_imager_state *))
+#define cs_concretize_color(pcc, pcs, values, pis)\
+  (*(pcs)->type->concretize_color)(pcc, pcs, values, pis)
+                         cs_proc_concretize_color((*concretize_color));
+
+    /* Map a concrete color to a device color. */
+    /* (Only defined for concrete color spaces.) */
+
+#define cs_proc_remap_concrete_color(proc)\
+  int proc(P5(const frac *, gx_device_color *, const gs_imager_state *,\
+    gx_device *, gs_color_select_t))
+                         cs_proc_remap_concrete_color((*remap_concrete_color));
+
+    /* Map a color directly to a device color. */
+
+#define cs_proc_remap_color(proc)\
+  int proc(P6(const gs_client_color *, const gs_color_space *,\
+    gx_device_color *, const gs_imager_state *, gx_device *,\
+    gs_color_select_t))
+                         cs_proc_remap_color((*remap_color));
+
+    /* Install the color space in a graphics state. */
+
+#define cs_proc_install_cspace(proc)\
+  int proc(P2(gs_color_space *, gs_state *))
+                         cs_proc_install_cspace((*install_cspace));
+
+    /* Adjust reference counts of indirect color space components. */
+
+#define cs_proc_adjust_cspace_count(proc)\
+  void proc(P2(const gs_color_space *, int))
+#define cs_adjust_cspace_count(pgs, delta)\
+  (*(pgs)->color_space->type->adjust_cspace_count)((pgs)->color_space, delta)
+	 cs_proc_adjust_cspace_count((*adjust_cspace_count));
+
+    /* Adjust reference counts of indirect color components. */
+    /*
+     * Note: the color space argument may be NULL, which indicates that the
+     * caller warrants that any subsidiary colors don't have allocation
+     * issues.  This is a hack for an application that needs to be able to
+     * release Pattern colors.
+     */
+
+#define cs_proc_adjust_color_count(proc)\
+  void proc(P3(const gs_client_color *, const gs_color_space *, int))
+#define cs_adjust_color_count(pgs, delta)\
+  (*(pgs)->color_space->type->adjust_color_count)\
+    ((pgs)->ccolor, (pgs)->color_space, delta)
+	 cs_proc_adjust_color_count((*adjust_color_count));
+
+/* Adjust both reference counts. */
+#define cs_adjust_counts(pgs, delta)\
+  (cs_adjust_color_count(pgs, delta), cs_adjust_cspace_count(pgs, delta))
+
+};
+
+/* Standard color space structure types */
+extern_st(st_base_color_space);
+#define public_st_base_color_space()	/* in gscspace.c */\
+  gs_public_st_simple(st_base_color_space, gs_base_color_space,\
+    "gs_base_color_space")
+/*extern_st(st_paint_color_space); *//* (not needed) */
+
+/* Standard color space procedures */
+cs_proc_num_components(gx_num_components_1);
+cs_proc_num_components(gx_num_components_3);
+cs_proc_num_components(gx_num_components_4);
+cs_proc_base_space(gx_no_base_space);
+cs_proc_init_color(gx_init_paint_1);
+cs_proc_init_color(gx_init_paint_3);
+cs_proc_init_color(gx_init_paint_4);
+cs_proc_restrict_color(gx_restrict01_paint_1);
+cs_proc_restrict_color(gx_restrict01_paint_3);
+cs_proc_restrict_color(gx_restrict01_paint_4);
+cs_proc_concrete_space(gx_no_concrete_space);
+cs_proc_concrete_space(gx_same_concrete_space);
+cs_proc_concretize_color(gx_no_concretize_color);
+cs_proc_remap_color(gx_default_remap_color);
+cs_proc_install_cspace(gx_no_install_cspace);
+cs_proc_adjust_cspace_count(gx_no_adjust_cspace_count);
+cs_proc_adjust_color_count(gx_no_adjust_color_count);
+
+/* Standard color space types */
+extern const gs_color_space_type
+    gs_color_space_type_DeviceGray,
+    gs_color_space_type_DeviceRGB,
+    gs_color_space_type_DeviceCMYK;
+
+/* Define the allocator type for color spaces. */
+extern_st(st_color_space);
+
+/*
+ * Allocate a color space and initialize its type and memory fields.
+ * This is only used by color space implementations.
+ */
+
+int gs_cspace_alloc(P3(gs_color_space **ppcspace,
+		       const gs_color_space_type *pcstype,
+		       gs_memory_t *mem));
+
+#endif /* gxcspace_INCLUDED */
diff --git a/pstoraster/gxctable.c b/pstoraster/gxctable.c
new file mode 100644
index 000000000..f7a53b722
--- /dev/null
+++ b/pstoraster/gxctable.c
@@ -0,0 +1,146 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color table lookup and interpolation */
+#include "gx.h"
+#include "gxfixed.h"
+#include "gxfrac.h"
+#include "gxctable.h"
+
+/* See gxctable.h for the API and structure definitions. */
+
+/*
+ * Define an implementation that simply picks the nearest value without
+ * any interpolation.
+ */
+void
+gx_color_interpolate_nearest(const fixed * pi,
+			     const gx_color_lookup_table * pclt, frac * pv)
+{
+    const int *pdim = pclt->dims;
+    int m = pclt->m;
+    const gs_const_string *table = pclt->table;
+
+    if (pclt->n > 3) {
+	table += fixed2int_var_rounded(pi[0]) * pdim[1];
+	++pi, ++pdim;
+    } {
+	int ic = fixed2int_var_rounded(pi[2]);
+	int ib = fixed2int_var_rounded(pi[1]);
+	int ia = fixed2int_var_rounded(pi[0]);
+	const byte *p = pclt->table[ia].data + (ib * pdim[2] + ic) * m;
+	int j;
+
+	for (j = 0; j < m; ++j, ++p)
+	    pv[j] = byte2frac(*p);
+    }
+}
+
+/*
+ * Define an implementation that uses trilinear interpolation.
+ */
+void
+gx_color_interpolate_linear(const fixed * pi,
+			    const gx_color_lookup_table * pclt, frac * pv)
+{
+    const int *pdim = pclt->dims;
+    int m = pclt->m;
+
+    if (pclt->n > 3) {		/* Do two 3-D interpolations, */
+	/* and then interpolate between them. */
+	gx_color_lookup_table clt3;
+	frac vx[4];
+	int ix = fixed2int_var(pi[0]);
+	fixed fx = fixed_fraction(pi[0]);
+	int j;
+
+	clt3.n = 3;
+	/*clt3.dims[0] = pdim[1]; *//* not used */
+	clt3.dims[1] = pdim[2];
+	clt3.dims[2] = pdim[3];
+	clt3.m = m;
+	clt3.table = pclt->table + ix * pdim[1];
+	gx_color_interpolate_linear(pi + 1, &clt3, pv);
+	if (ix == pdim[0] - 1)
+	    return;
+	clt3.table += pdim[1];
+	gx_color_interpolate_linear(pi + 1, &clt3, vx);
+	for (j = 0; j < m; ++j)
+	    pv[j] += (frac) arith_rshift((long)fx * (vx[j] - pv[j]),
+					 _fixed_shift);
+    } else {
+	int ic = fixed2int_var(pi[2]);
+	fixed fc = fixed_fraction(pi[2]);
+	uint dc1 = (ic == pdim[2] - 1 ? 0 : m);
+	int ib = fixed2int_var(pi[1]);
+	fixed fb = fixed_fraction(pi[1]);
+	uint db1 = (ib == pdim[1] - 1 ? 0 : pdim[2] * m);
+	uint dbc = (ib * pdim[2] + ic) * m;
+	uint dbc1 = db1 + dc1;
+	int ia = fixed2int_var(pi[0]);
+	fixed fa = fixed_fraction(pi[0]);
+	const byte *pa0 = pclt->table[ia].data + dbc;
+	const byte *pa1 =
+	(ia == pdim[0] - 1 ? pa0 : pclt->table[ia + 1].data + dbc);
+	int j;
+
+	/* The values to be interpolated are */
+	/* pa{0,1}[{0,db1,dc1,dbc1}]. */
+	for (j = 0; j < m; ++j, ++pa0, ++pa1) {
+	    frac v000 = byte2frac(pa0[0]);
+	    frac v001 = byte2frac(pa0[dc1]);
+	    frac v010 = byte2frac(pa0[db1]);
+	    frac v011 = byte2frac(pa0[dbc1]);
+	    frac v100 = byte2frac(pa1[0]);
+	    frac v101 = byte2frac(pa1[dc1]);
+	    frac v110 = byte2frac(pa1[db1]);
+	    frac v111 = byte2frac(pa1[dbc1]);
+
+	    frac v00 = v000 +
+	    (frac) arith_rshift((long)fc * (v001 - v000),
+				_fixed_shift);
+	    frac v01 = v010 +
+	    (frac) arith_rshift((long)fc * (v011 - v010),
+				_fixed_shift);
+	    frac v10 = v100 +
+	    (frac) arith_rshift((long)fc * (v101 - v100),
+				_fixed_shift);
+	    frac v11 = v110 +
+	    (frac) arith_rshift((long)fc * (v111 - v110),
+				_fixed_shift);
+
+	    frac v0 = v00 +
+	    (frac) arith_rshift((long)fb * (v01 - v00),
+				_fixed_shift);
+	    frac v1 = v10 +
+	    (frac) arith_rshift((long)fb * (v11 - v10),
+				_fixed_shift);
+
+	    pv[j] = v0 +
+		(frac) arith_rshift((long)fa * (v1 - v0),
+				    _fixed_shift);
+	}
+    }
+}
diff --git a/pstoraster/gxctable.h b/pstoraster/gxctable.h
new file mode 100644
index 000000000..237f47cdd
--- /dev/null
+++ b/pstoraster/gxctable.h
@@ -0,0 +1,70 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to color table lookup and interpolation */
+
+#ifndef gxctable_INCLUDED
+#  define gxctable_INCLUDED
+
+#include "gxfixed.h"
+#include "gxfrac.h"
+
+/*
+ * Define a 3- or 4-D color lookup table.
+ * n is the number of dimensions (input indices), 3 or 4.
+ * dims[0..n-1] are the table dimensions.
+ * m is the number of output values, 3 or 4.
+ * For n = 3:
+ *   table[i], 0 <= i < dims[0], point to strings of length
+ *     dims[1] x dims[2] x m.
+ * For n = 4:
+ *   table[i], 0 <= i < dims[0] x dims[1], points to strings of length
+ *     dims[2] x dims[3] x m.
+ * It isn't really necessary to store the size of each string, since
+ * they're all the same size, but it makes things a lot easier for the GC.
+ */
+typedef struct gx_color_lookup_table_s {
+    int n;
+    int dims[4];		/* [ndims] */
+    int m;
+    const gs_const_string *table;
+} gx_color_lookup_table;
+
+/*
+ * Interpolate in a 3- or 4-D color lookup table.
+ * pi[0..n-1] are the table indices, guaranteed to be in the ranges
+ * [0..dims[n]-1] respectively.
+ * Return interpolated values in pv[0..m-1].
+ */
+
+/* Return the nearest value without interpolation. */
+void gx_color_interpolate_nearest(P3(const fixed * pi,
+			    const gx_color_lookup_table * pclt, frac * pv));
+
+/* Use trilinear interpolation. */
+void gx_color_interpolate_linear(P3(const fixed * pi,
+			    const gx_color_lookup_table * pclt, frac * pv));
+
+#endif /* gxctable_INCLUDED */
diff --git a/pstoraster/gxcvalue.h b/pstoraster/gxcvalue.h
new file mode 100644
index 000000000..f919415ed
--- /dev/null
+++ b/pstoraster/gxcvalue.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of device color values */
+
+#ifndef gxcvalue_INCLUDED
+#  define gxcvalue_INCLUDED
+
+/* Define the type for gray or RGB values at the driver interface. */
+typedef unsigned short gx_color_value;
+
+#define arch_sizeof_gx_color_value arch_sizeof_short
+/* We might use less than the full range someday. */
+/* ...bits must lie between 8 and 16. */
+#define gx_color_value_bits (sizeof(gx_color_value) * 8)
+#define gx_max_color_value ((gx_color_value)((1L << gx_color_value_bits) - 1))
+#define gx_color_value_to_byte(cv)\
+  ((cv) >> (gx_color_value_bits - 8))
+#define gx_color_value_from_byte(cb)\
+  (((cb) << (gx_color_value_bits - 8)) + ((cb) >> (16 - gx_color_value_bits)))
+
+/* Convert between gx_color_values and fracs. */
+#define frac2cv(fr) frac2ushort(fr)
+#define cv2frac(cv) ushort2frac(cv)
+
+#endif /* gxcvalue_INCLUDED */
diff --git a/pstoraster/gxdcconv.c b/pstoraster/gxdcconv.c
new file mode 100644
index 000000000..97a055d86
--- /dev/null
+++ b/pstoraster/gxdcconv.c
@@ -0,0 +1,162 @@
+/* Copyright (C) 1992, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Conversion between device color spaces for Ghostscript */
+#include "gx.h"
+#include "gsdcolor.h"		/* for gxcmap.h */
+#include "gxdcconv.h"		/* interface */
+#include "gxdevice.h"		/* for gxcmap.h */
+#include "gxcmap.h"
+#include "gxfarith.h"
+#include "gxlum.h"
+#include "gxistate.h"
+
+/*
+ * The CMYK to RGB algorithms specified by Adobe are, e.g.,
+ *      R = 1.0 - min(1.0, C + K)
+ *      C = max(0.0, min(1.0, 1 - R - UCR))
+ * but we get much better results with
+ *      R = (1.0 - C) * (1.0 - K)
+ *      C = max(0.0, min(1.0, 1 - R / (1 - UCR)))
+ * For utmost compatibility, we offer the Adobe algorithms as an option:
+ */
+#define USE_ADOBE_CMYK_RGB
+
+/* ------ Color space conversion ------ */
+
+/* Only 4 of the 6 conversions are implemented here; */
+/* the other 2 (Gray to RGB/CMYK) are trivial. */
+
+/* Convert RGB to Gray. */
+frac
+color_rgb_to_gray(frac r, frac g, frac b, const gs_imager_state * pis)
+{
+    return (r * (unsigned long)lum_red_weight +
+	    g * (unsigned long)lum_green_weight +
+	    b * (unsigned long)lum_blue_weight +
+	    (lum_all_weights / 2))
+	/ lum_all_weights;
+}
+
+/* Convert RGB to CMYK. */
+/* Note that this involves black generation and undercolor removal. */
+void
+color_rgb_to_cmyk(frac r, frac g, frac b, const gs_imager_state * pis,
+		  frac cmyk[4])
+{
+    frac c = frac_1 - r, m = frac_1 - g, y = frac_1 - b;
+    frac k = (c < m ? min(c, y) : min(m, y));
+
+    /* The default UCR and BG functions are pretty arbitrary.... */
+    frac bg =
+    (pis->black_generation == NULL ? frac_0 :
+     gx_map_color_frac(pis, k, black_generation));
+    signed_frac ucr =
+    (pis->undercolor_removal == NULL ? frac_0 :
+     gx_map_color_frac(pis, k, undercolor_removal));
+
+    if (ucr == frac_1)
+	cmyk[0] = cmyk[1] = cmyk[2] = 0;
+    else {
+#ifdef USE_ADOBE_CMYK_RGB
+	/* C = max(0.0, min(1.0, 1 - R - UCR)), etc. */
+	signed_frac not_ucr = (ucr < 0 ? frac_1 + ucr : frac_1);
+
+	cmyk[0] = (c < ucr ? frac_0 : c > not_ucr ? frac_1 : c - ucr);
+	cmyk[1] = (m < ucr ? frac_0 : m > not_ucr ? frac_1 : m - ucr);
+	cmyk[2] = (y < ucr ? frac_0 : y > not_ucr ? frac_1 : y - ucr);
+#else
+	/* C = max(0.0, min(1.0, 1 - R / (1 - UCR))), etc. */
+	float denom = frac2float(frac_1 - ucr);		/* unscaled */
+	float v;
+
+	v = (float)frac_1 - r / denom;	/* unscaled */
+	cmyk[0] =
+	    (is_fneg(v) ? frac_0 : v >= (float)frac_1 ? frac_1 : (frac) v);
+	v = (float)frac_1 - g / denom;	/* unscaled */
+	cmyk[1] =
+	    (is_fneg(v) ? frac_0 : v >= (float)frac_1 ? frac_1 : (frac) v);
+	v = (float)frac_1 - b / denom;	/* unscaled */
+	cmyk[2] =
+	    (is_fneg(v) ? frac_0 : v >= (float)frac_1 ? frac_1 : (frac) v);
+#endif
+    }
+    cmyk[3] = bg;
+    if_debug7('c', "[c]RGB 0x%x,0x%x,0x%x -> CMYK 0x%x,0x%x,0x%x,0x%x\n",
+	      r, g, b, cmyk[0], cmyk[1], cmyk[2], cmyk[3]);
+}
+
+/* Convert CMYK to Gray. */
+frac
+color_cmyk_to_gray(frac c, frac m, frac y, frac k, const gs_imager_state * pis)
+{
+    frac not_gray = color_rgb_to_gray(c, m, y, pis);
+
+    return (not_gray > frac_1 - k ?	/* gray + k > 1.0 */
+	    frac_0 : frac_1 - (not_gray + k));
+}
+
+/* Convert CMYK to RGB. */
+void
+color_cmyk_to_rgb(frac c, frac m, frac y, frac k, const gs_imager_state * pis,
+		  frac rgb[3])
+{
+    switch (k) {
+	case frac_0:
+	    rgb[0] = frac_1 - c;
+	    rgb[1] = frac_1 - m;
+	    rgb[2] = frac_1 - y;
+	    break;
+	case frac_1:
+	    rgb[0] = rgb[1] = rgb[2] = frac_0;
+	    break;
+	default:
+	    {
+#ifdef USE_ADOBE_CMYK_RGB
+		/* R = 1.0 - min(1.0, C + K), etc. */
+		frac not_k = frac_1 - k;
+
+		rgb[0] = (c > not_k ? frac_0 : not_k - c);
+		rgb[1] = (m > not_k ? frac_0 : not_k - m);
+		rgb[2] = (y > not_k ? frac_0 : not_k - y);
+#else
+		/* R = (1.0 - C) * (1.0 - K), etc. */
+		ulong not_k = frac_1 - k;
+
+		/* Compute not_k * (frac_1 - v) / frac_1 efficiently. */
+		ulong prod;
+
+#define deduct_black(v)\
+  (prod = (frac_1 - (v)) * not_k, frac_1_quo(prod))
+		rgb[0] = deduct_black(c);
+		rgb[1] = deduct_black(m);
+		rgb[2] = deduct_black(y);
+#undef deduct_black
+#endif
+	    }
+    }
+    if_debug7('c', "[c]CMYK 0x%x,0x%x,0x%x,0x%x -> RGB 0x%x,0x%x,0x%x\n",
+	      c, m, y, k, rgb[0], rgb[1], rgb[2]);
+}
diff --git a/pstoraster/gxdcconv.h b/pstoraster/gxdcconv.h
new file mode 100644
index 000000000..f38f8eeab
--- /dev/null
+++ b/pstoraster/gxdcconv.h
@@ -0,0 +1,43 @@
+/* Copyright (C) 1992, 1993, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal device color conversion interfaces */
+
+#ifndef gxdcconv_INCLUDED
+#  define gxdcconv_INCLUDED
+
+#include "gxfrac.h"
+
+/* Color space conversion routines */
+frac color_rgb_to_gray(P4(frac r, frac g, frac b,
+			  const gs_imager_state * pis));
+void color_rgb_to_cmyk(P5(frac r, frac g, frac b,
+			  const gs_imager_state * pis, frac cmyk[4]));
+frac color_cmyk_to_gray(P5(frac c, frac m, frac y, frac k,
+			   const gs_imager_state * pis));
+void color_cmyk_to_rgb(P6(frac c, frac m, frac y, frac k,
+			  const gs_imager_state * pis, frac rgb[3]));
+
+#endif /* gxdcconv_INCLUDED */
diff --git a/pstoraster/gxdcolor.c b/pstoraster/gxdcolor.c
new file mode 100644
index 000000000..00da3d9af
--- /dev/null
+++ b/pstoraster/gxdcolor.c
@@ -0,0 +1,339 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Pure and null device color implementation */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsbittab.h"
+#include "gxdcolor.h"
+#include "gxdevice.h"
+
+/* Define the standard device color types. */
+
+/* 'none' means the color is not defined. */
+private dev_color_proc_load(gx_dc_no_load);
+private dev_color_proc_fill_rectangle(gx_dc_no_fill_rectangle);
+private dev_color_proc_fill_masked(gx_dc_no_fill_masked);
+private dev_color_proc_equal(gx_dc_no_equal);
+const gx_device_color_type_t gx_dc_type_data_none = {
+    &st_bytes,
+    gx_dc_no_load, gx_dc_no_fill_rectangle, gx_dc_no_fill_masked,
+    gx_dc_no_equal
+};
+#undef gx_dc_type_none
+const gx_device_color_type_t *const gx_dc_type_none = &gx_dc_type_data_none;
+#define gx_dc_type_none (&gx_dc_type_data_none)
+
+/* 'null' means the color has no effect when used for drawing. */
+private dev_color_proc_load(gx_dc_null_load);
+private dev_color_proc_fill_rectangle(gx_dc_null_fill_rectangle);
+private dev_color_proc_fill_masked(gx_dc_null_fill_masked);
+private dev_color_proc_equal(gx_dc_null_equal);
+const gx_device_color_type_t gx_dc_type_data_null = {
+    &st_bytes,
+    gx_dc_null_load, gx_dc_null_fill_rectangle, gx_dc_null_fill_masked,
+    gx_dc_null_equal
+};
+#undef gx_dc_type_null
+const gx_device_color_type_t *const gx_dc_type_null = &gx_dc_type_data_null;
+#define gx_dc_type_null (&gx_dc_type_data_null)
+
+private dev_color_proc_load(gx_dc_pure_load);
+private dev_color_proc_fill_rectangle(gx_dc_pure_fill_rectangle);
+private dev_color_proc_fill_masked(gx_dc_pure_fill_masked);
+private dev_color_proc_equal(gx_dc_pure_equal);
+const gx_device_color_type_t gx_dc_type_data_pure = {
+    &st_bytes,
+    gx_dc_pure_load, gx_dc_pure_fill_rectangle, gx_dc_pure_fill_masked,
+    gx_dc_pure_equal
+};
+#undef gx_dc_type_pure
+const gx_device_color_type_t *const gx_dc_type_pure = &gx_dc_type_data_pure;
+#define gx_dc_type_pure (&gx_dc_type_data_pure)
+
+/*
+ * Get the black and white pixel values of a device.  The documentation for
+ * the driver API says that map_rgb_color will do the right thing on CMYK
+ * devices.  Unfortunately, that isn't true at present, and fixing it is too
+ * much work.
+ */
+gx_color_index
+gx_device_black(gx_device *dev)
+{
+    return
+	(dev->color_info.num_components == 4 ?
+	 (*dev_proc(dev, map_cmyk_color))
+	  (dev, (gx_color_index)0, (gx_color_index)0, (gx_color_index)0,
+	   gx_max_color_value) :
+	 (*dev_proc(dev, map_rgb_color))
+	  (dev, (gx_color_index)0, (gx_color_index)0, (gx_color_index)0));
+}
+gx_color_index
+gx_device_white(gx_device *dev)
+{
+    return
+	(dev->color_info.num_components == 4 ?
+	 (*dev_proc(dev, map_cmyk_color))
+	  (dev, (gx_color_index)0, (gx_color_index)0, (gx_color_index)0,
+	   (gx_color_index)0) :
+	 (*dev_proc(dev, map_rgb_color))
+	  (dev, gx_max_color_value, gx_max_color_value, gx_max_color_value));
+}
+
+/* Set a null RasterOp source. */
+private const gx_rop_source_t gx_rop_no_source_0 = {gx_rop_no_source_body(0)};
+void
+gx_set_rop_no_source(const gx_rop_source_t **psource,
+		     gx_rop_source_t *pno_source, gx_device *dev)
+{
+    gx_color_index black = gx_device_black(dev);
+
+    if ( black == 0 )
+	*psource = &gx_rop_no_source_0;
+    else {
+	*pno_source = gx_rop_no_source_0;
+        gx_rop_source_set_color(pno_source, black);
+	*psource = pno_source;
+    }
+}
+
+/* ------ Undefined color ------ */
+
+private int
+gx_dc_no_load(gx_device_color *pdevc, const gs_imager_state *ignore_pis,
+	      gx_device *ignore_dev, gs_color_select_t ignore_select)
+{
+    return 0;
+}
+
+private int
+gx_dc_no_fill_rectangle(const gx_device_color *pdevc, int x, int y,
+			int w, int h, gx_device *dev,
+			gs_logical_operation_t lop,
+			const gx_rop_source_t *source)
+{
+    gx_device_color filler;
+
+    if (w <= 0 || h <= 0)
+	return 0;
+    if (lop_uses_T(lop))
+	return_error(gs_error_Fatal);
+    color_set_pure(&filler, 0);	 /* any valid value for dev will do */
+    return gx_dc_pure_fill_rectangle(&filler, x, y, w, h, dev, lop, source);
+}
+
+private int
+gx_dc_no_fill_masked(const gx_device_color *pdevc, const byte *data,
+		     int data_x, int raster, gx_bitmap_id id,
+		     int x, int y, int w, int h, gx_device *dev,
+		     gs_logical_operation_t lop, bool invert)
+{
+    if (w <= 0 || h <= 0)
+	return 0;
+    return_error(gs_error_Fatal);
+}
+
+private bool
+gx_dc_no_equal(const gx_device_color *pdevc1, const gx_device_color *pdevc2)
+{
+    return false;
+}
+
+/* ------ Null color ------ */
+
+private int
+gx_dc_null_load(gx_device_color *pdevc, const gs_imager_state *ignore_pis,
+		gx_device *ignore_dev, gs_color_select_t ignore_select)
+{
+    return 0;
+}
+
+private int
+gx_dc_null_fill_rectangle(const gx_device_color * pdevc, int x, int y,
+			  int w, int h, gx_device * dev,
+			  gs_logical_operation_t lop,
+			  const gx_rop_source_t * source)
+{
+    return 0;
+}
+
+private int
+gx_dc_null_fill_masked(const gx_device_color * pdevc, const byte * data,
+		       int data_x, int raster, gx_bitmap_id id,
+		       int x, int y, int w, int h, gx_device * dev,
+		       gs_logical_operation_t lop, bool invert)
+{
+    return 0;
+}
+
+private bool
+gx_dc_null_equal(const gx_device_color * pdevc1, const gx_device_color * pdevc2)
+{
+    return pdevc2->type == pdevc1->type;
+}
+
+/* ------ Pure color ------ */
+
+private int
+gx_dc_pure_load(gx_device_color * pdevc, const gs_imager_state * ignore_pis,
+		gx_device * ignore_dev, gs_color_select_t ignore_select)
+{
+    return 0;
+}
+
+/* Fill a rectangle with a pure color. */
+/* Note that we treat this as "texture" for RasterOp. */
+private int
+gx_dc_pure_fill_rectangle(const gx_device_color * pdevc, int x, int y,
+		  int w, int h, gx_device * dev, gs_logical_operation_t lop,
+			  const gx_rop_source_t * source)
+{
+    if (source == NULL && lop_no_S_is_T(lop))
+	return (*dev_proc(dev, fill_rectangle)) (dev, x, y, w, h,
+						 pdevc->colors.pure);
+    {
+	gx_color_index colors[2];
+	gx_rop_source_t no_source;
+
+	colors[0] = colors[1] = pdevc->colors.pure;
+	if (source == NULL)
+	    set_rop_no_source(source, no_source, dev);
+	return (*dev_proc(dev, strip_copy_rop))
+	    (dev, source->sdata, source->sourcex, source->sraster,
+	     source->id, (source->use_scolors ? source->scolors : NULL),
+	     NULL /*arbitrary */ , colors, x, y, w, h, 0, 0, lop);
+    }
+}
+
+/* Fill a mask with a pure color. */
+/* Note that there is no source in this case: the mask is the source. */
+private int
+gx_dc_pure_fill_masked(const gx_device_color * pdevc, const byte * data,
+	int data_x, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+		   gx_device * dev, gs_logical_operation_t lop, bool invert)
+{
+    if (lop_no_S_is_T(lop)) {
+	gx_color_index color0, color1;
+
+	if (invert)
+	    color0 = pdevc->colors.pure, color1 = gx_no_color_index;
+	else
+	    color1 = pdevc->colors.pure, color0 = gx_no_color_index;
+	return (*dev_proc(dev, copy_mono))
+	    (dev, data, data_x, raster, id, x, y, w, h, color0, color1);
+    } {
+	gx_color_index scolors[2];
+	gx_color_index tcolors[2];
+
+	scolors[0] = gx_device_black(dev);
+	scolors[1] = gx_device_white(dev);
+	tcolors[0] = tcolors[1] = pdevc->colors.pure;
+	return (*dev_proc(dev, strip_copy_rop))
+	    (dev, data, data_x, raster, id, scolors,
+	     NULL, tcolors, x, y, w, h, 0, 0,
+	     (invert ? rop3_invert_S(lop) : lop) | lop_S_transparent);
+    }
+}
+
+private bool
+gx_dc_pure_equal(const gx_device_color * pdevc1, const gx_device_color * pdevc2)
+{
+    return pdevc2->type == pdevc1->type &&
+	gx_dc_pure_color(pdevc1) == gx_dc_pure_color(pdevc2);
+}
+
+/* ------ Default implementations ------ */
+
+/* Fill a mask with a color by parsing the mask into rectangles. */
+int
+gx_dc_default_fill_masked(const gx_device_color * pdevc, const byte * data,
+	int data_x, int raster, gx_bitmap_id id, int x, int y, int w, int h,
+		   gx_device * dev, gs_logical_operation_t lop, bool invert)
+{
+    int lbit = data_x & 7;
+    const byte *row = data + (data_x >> 3);
+    uint one = (invert ? 0 : 0xff);
+    uint zero = one ^ 0xff;
+    int iy;
+
+    for (iy = 0; iy < h; ++iy, row += raster) {
+	const byte *p = row;
+	int bit = lbit;
+	int left = w;
+	int l0;
+
+	while (left) {
+	    int run, code;
+
+	    /* Skip a run of zeros. */
+	    run = byte_bit_run_length[bit][*p ^ one];
+	    if (run) {
+		if (run < 8) {
+		    if (run >= left)
+			break;	/* end of row while skipping */
+		    bit += run, left -= run;
+		} else if ((run -= 8) >= left)
+		    break;	/* end of row while skipping */
+		else {
+		    left -= run;
+		    ++p;
+		    while (left > 8 && *p == zero)
+			left -= 8, ++p;
+		    run = byte_bit_run_length_0[*p ^ one];
+		    if (run >= left)	/* run < 8 unless very last byte */
+			break;	/* end of row while skipping */
+		    else
+			bit = run & 7, left -= run;
+		}
+	    }
+	    l0 = left;
+	    /* Scan a run of ones, and then paint it. */
+	    run = byte_bit_run_length[bit][*p ^ zero];
+	    if (run < 8) {
+		if (run >= left)
+		    left = 0;
+		else
+		    bit += run, left -= run;
+	    } else if ((run -= 8) >= left)
+		left = 0;
+	    else {
+		left -= run;
+		++p;
+		while (left > 8 && *p == one)
+		    left -= 8, ++p;
+		run = byte_bit_run_length_0[*p ^ zero];
+		if (run >= left)	/* run < 8 unless very last byte */
+		    left = 0;
+		else
+		    bit = run & 7, left -= run;
+	    }
+	    code = gx_device_color_fill_rectangle(pdevc,
+			  x + w - l0, y + iy, l0 - left, 1, dev, lop, NULL);
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
diff --git a/pstoraster/gxdcolor.h b/pstoraster/gxdcolor.h
new file mode 100644
index 000000000..015652e24
--- /dev/null
+++ b/pstoraster/gxdcolor.h
@@ -0,0 +1,199 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Device color representation for Ghostscript */
+
+#ifndef gxdcolor_INCLUDED
+#  define gxdcolor_INCLUDED
+
+#include "gscsel.h"
+#include "gsdcolor.h"
+#include "gsropt.h"
+#include "gsstruct.h"		/* for extern_st, GC procs */
+
+/* Define opaque types. */
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+
+/*
+ * Define a source structure for RasterOp.
+ */
+typedef struct gx_rop_source_s {
+    const byte *sdata;
+    int sourcex;
+    uint sraster;
+    gx_bitmap_id id;
+    gx_color_index scolors[2];
+    bool use_scolors;
+} gx_rop_source_t;
+
+/*
+ * Note that the following definition depends on the gx_color_index for
+ * black, which may not be 0.  Clients must check this and construct
+ * a different null source if necessary.
+ */
+#define gx_rop_no_source_body(black_pixel)\
+  NULL, 0, 0, gx_no_bitmap_id, {black_pixel, black_pixel}, true
+#define gx_rop_source_set_color(prs, pixel)\
+  ((prs)->scolors[0] = (prs)->scolors[1] = (pixel))
+void gx_set_rop_no_source(P3(const gx_rop_source_t **psource,
+			     gx_rop_source_t *pno_source, gx_device *dev));
+#define set_rop_no_source(source, no_source, dev)\
+  gx_set_rop_no_source(&(source), &(no_source), dev)
+
+/*
+ * Define the device color structure per se.
+ */
+
+/* The typedef is in gsdcolor.h. */
+/*typedef struct gx_device_color_type_s gx_device_color_type_t; */
+struct gx_device_color_type_s {
+
+    /*
+     * In order to simplify memory management, we use a union, but since
+     * different variants may have different pointer tracing procedures,
+     * we have to define a separate GC structure type for each variant.
+     */
+
+    gs_memory_type_ptr_t stype;
+
+    /*
+     * If necessary and possible, load the halftone or Pattern cache
+     * with the rendering of this color.
+     */
+
+#define dev_color_proc_load(proc)\
+  int proc(P4(gx_device_color *pdevc, const gs_imager_state *pis,\
+    gx_device *dev, gs_color_select_t select))
+                         dev_color_proc_load((*load));
+
+    /*
+     * Fill a rectangle with the color.
+     * We pass the device separately so that pattern fills can
+     * substitute a tiled mask clipping device.
+     */
+
+#define dev_color_proc_fill_rectangle(proc)\
+  int proc(P8(const gx_device_color *pdevc, int x, int y, int w, int h,\
+    gx_device *dev, gs_logical_operation_t lop, const gx_rop_source_t *source))
+                         dev_color_proc_fill_rectangle((*fill_rectangle));
+
+    /*
+     * Fill a masked region with a color.  Nearly all device colors
+     * use the default implementation, which simply parses the mask
+     * into rectangles and calls fill_rectangle.  Note that in this
+     * case there is no RasterOp source: the mask is the source.
+     */
+
+#define dev_color_proc_fill_masked(proc)\
+  int proc(P12(const gx_device_color *pdevc, const byte *data, int data_x,\
+    int raster, gx_bitmap_id id, int x, int y, int w, int h,\
+    gx_device *dev, gs_logical_operation_t lop, bool invert))
+                         dev_color_proc_fill_masked((*fill_masked));
+
+    /*
+     * Test whether this color is equal to another.
+     */
+
+#define dev_color_proc_equal(proc)\
+  bool proc(P2(const gx_device_color *pdevc1, const gx_device_color *pdevc2))
+                         dev_color_proc_equal((*equal));
+
+};
+
+/* Define the default implementation of fill_masked. */
+dev_color_proc_fill_masked(gx_dc_default_fill_masked);
+
+extern_st(st_device_color);
+/* public_st_device_color() is defined in gsdcolor.h */
+
+/* Define the standard device color types. */
+/* See gsdcolor.h for details. */
+extern const gx_device_color_type_t
+#define gx_dc_type_none (&gx_dc_type_data_none)
+      gx_dc_type_data_none,	/* gxdcolor.c */
+#define gx_dc_type_null (&gx_dc_type_data_null)
+      gx_dc_type_data_null,	/* gxdcolor.c */
+#define gx_dc_type_pure (&gx_dc_type_data_pure)
+      gx_dc_type_data_pure,	/* gxdcolor.c */
+/*#define gx_dc_type_pattern (&gx_dc_type_data_pattern) */
+						/*gx_dc_type_data_pattern, *//* gspcolor.c */
+#define gx_dc_type_ht_binary (&gx_dc_type_data_ht_binary)
+      gx_dc_type_data_ht_binary,	/* gxht.c */
+#define gx_dc_type_ht_colored (&gx_dc_type_data_ht_colored)
+      gx_dc_type_data_ht_colored;	/* gxcht.c */
+
+#define gs_color_writes_pure(pgs)\
+  color_writes_pure((pgs)->dev_color, (pgs)->log_op)
+
+/* Set up device color 1 for writing into a mask cache */
+/* (e.g., the character cache). */
+void gx_set_device_color_1(P1(gs_state * pgs));
+
+/* Get the black and white pixel values of a device. */
+gx_color_index gx_device_black(P1(gx_device *dev));
+gx_color_index gx_device_white(P1(gx_device *dev));
+
+/* Remap the color if necessary. */
+int gx_remap_color(P1(gs_state *));
+
+#define gx_set_dev_color(pgs)\
+  if ( !color_is_set((pgs)->dev_color) )\
+   { int code_dc = gx_remap_color(pgs);\
+     if ( code_dc != 0 ) return code_dc;\
+   }
+
+/* Indicate that the device color needs remapping. */
+#define gx_unset_dev_color(pgs)\
+  color_unset((pgs)->dev_color)
+
+/* Load the halftone cache in preparation for drawing. */
+#define gx_color_load_select(pdevc, pis, dev, select)\
+  (*(pdevc)->type->load)(pdevc, pis, dev, select)
+#define gx_color_load(pdevc, pis, dev)\
+  gx_color_load_select(pdevc, pis, dev, gs_color_select_texture)
+#define gs_state_color_load(pgs)\
+  gx_color_load((pgs)->dev_color, (const gs_imager_state *)(pgs),\
+		(pgs)->device)
+
+/* Fill a rectangle with a color. */
+#define gx_device_color_fill_rectangle(pdevc, x, y, w, h, dev, lop, source)\
+  (*(pdevc)->type->fill_rectangle)(pdevc, x, y, w, h, dev, lop, source)
+#define gx_fill_rectangle_device_rop(x, y, w, h, pdevc, dev, lop)\
+  gx_device_color_fill_rectangle(pdevc, x, y, w, h, dev, lop, NULL)
+#define gx_fill_rectangle_rop(x, y, w, h, pdevc, lop, pgs)\
+  gx_fill_rectangle_device_rop(x, y, w, h, pdevc, (pgs)->device, lop)
+#define gx_fill_rectangle(x, y, w, h, pdevc, pgs)\
+  gx_fill_rectangle_rop(x, y, w, h, pdevc, (pgs)->log_op, pgs)
+
+/* Test device colors for equality. */
+#define gx_device_color_equal(pdevc1, pdevc2)\
+  (((pdevc1)->type->equal)(pdevc1, pdevc2))
+
+#endif /* gxdcolor_INCLUDED */
diff --git a/pstoraster/gxdda.h b/pstoraster/gxdda.h
new file mode 100644
index 000000000..e0fe391e1
--- /dev/null
+++ b/pstoraster/gxdda.h
@@ -0,0 +1,158 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxfixed.h */
+
+#ifndef gxdda_INCLUDED
+#  define gxdda_INCLUDED
+
+/*
+ * We use the familiar Bresenham DDA algorithm for several purposes:
+ *      - tracking the edges when filling trapezoids;
+ *      - tracking the current pixel corner coordinates when rasterizing
+ *      skewed or rotated images;
+ *      - converting curves to sequences of lines (this is a 3rd-order
+ *      DDA, the others are 1st-order);
+ *      - perhaps someday for drawing single-pixel lines.
+ * In the case of trapezoids, lines, and curves, we need to use
+ * the DDA to find the integer X values at integer+0.5 values of Y;
+ * in the case of images, we use DDAs to compute the (fixed)
+ * X and Y values at (integer) source pixel corners.
+ *
+ * The purpose of the DDA is to compute the exact values Q(i) = floor(i*D/N)
+ * for increasing integers i, 0 <= i <= N.  D is considered to be an
+ * integer, although it may actually be a fixed.  For the algorithm,
+ * we maintain i*D/N as Q + (N-R)/N where Q and R are integers, 0 < R <= N,
+ * with the following auxiliary values:
+ *      dQ = floor(D/N)
+ *      dR = D mod N (0 <= dR < N)
+ *      NdR = N - dR
+ * Then at each iteration we do:
+ *      Q += dQ;
+ *      if ( R > dR ) R -= dR; else ++Q, R += NdR;
+ * These formulas work regardless of the sign of D, and never let R go
+ * out of range.
+ */
+/* In the following structure definitions, ntype must be an unsigned type. */
+#define dda_state_struct(sname, dtype, ntype)\
+  struct sname { dtype Q; ntype R; }
+#define dda_step_struct(sname, dtype, ntype)\
+  struct sname { dtype dQ; ntype dR, NdR; }
+/* DDA with fixed Q and (unsigned) integer N */
+typedef 
+dda_state_struct(_a, fixed, uint) gx_dda_state_fixed;
+     typedef dda_step_struct(_e, fixed, uint) gx_dda_step_fixed;
+     typedef struct gx_dda_fixed_s {
+	 gx_dda_state_fixed state;
+	 gx_dda_step_fixed step;
+     } gx_dda_fixed;
+/*
+ * Define a pair of DDAs for iterating along an arbitrary line.
+ */
+     typedef struct gx_dda_fixed_point_s {
+	 gx_dda_fixed x, y;
+     } gx_dda_fixed_point;
+/*
+ * Initialize a DDA.  The sign test is needed only because C doesn't
+ * provide reliable definitions of / and % for integers (!!!).
+ */
+#define dda_init_state(dstate, init, N)\
+  (dstate).Q = (init), (dstate).R = (N)
+#define dda_init_step(dstep, D, N)\
+  if ( (N) == 0 )\
+    (dstep).dQ = 0, (dstep).dR = 0;\
+  else if ( (D) < 0 )\
+   { (dstep).dQ = -(-(D) / (N));\
+     if ( ((dstep).dR = -(D) % (N)) != 0 )\
+       --(dstep).dQ, (dstep).dR = (N) - (dstep).dR;\
+   }\
+  else\
+   { (dstep).dQ = (D) / (N); (dstep).dR = (D) % (N); }\
+  (dstep).NdR = (N) - (dstep).dR
+#define dda_init(dda, init, D, N)\
+  dda_init_state((dda).state, init, N);\
+  dda_init_step((dda).step, D, N)
+/*
+ * Compute the sum of two DDA steps with the same D and N.
+ * Note that since dR + NdR = N, this quantity must be the same in both
+ * fromstep and tostep.
+ */
+#define dda_step_add(tostep, fromstep)\
+  (tostep).dQ +=\
+    ((tostep).dR < (fromstep).NdR ?\
+     ((tostep).dR += (fromstep).dR, (tostep).NdR -= (fromstep).dR,\
+      (fromstep).dQ) :\
+     ((tostep).dR -= (fromstep).NdR, (tostep).NdR += (fromstep).NdR,\
+      (fromstep).dQ + 1))
+/*
+ * Return the current value in a DDA.
+ */
+#define dda_state_current(dstate) (dstate).Q
+#define dda_current(dda) dda_state_current((dda).state)
+#define dda_current_fixed2int(dda)\
+  fixed2int_var(dda_state_current((dda).state))
+/*
+ * Increment a DDA to the next point.
+ * Returns the updated current value.
+ */
+#define dda_state_next(dstate, dstep)\
+  (dstate).Q +=\
+    ((dstate).R > (dstep).dR ?\
+     ((dstate).R -= (dstep).dR, (dstep).dQ) :\
+     ((dstate).R += (dstep).NdR, (dstep).dQ + 1))
+#define dda_next(dda) dda_state_next((dda).state, (dda).step)
+/*
+ * Back up a DDA to the previous point.
+ * Returns the updated current value.
+ */
+#define dda_state_previous(dstate, dstep)\
+  (dstate).Q -=\
+    ((dstate).R <= (dstep).NdR ?\
+     ((dstate).R += (dstep).dR, (dstep).dQ) :\
+     ((dstate).R -= (dstep).NdR, (dstep).dQ + 1))
+#define dda_previous(dda) dda_state_previous((dda).state, (dda).step)
+/*
+ * Advance a DDA by an arbitrary number of steps.
+ * This implementation is very inefficient; we'll improve it if needed.
+ */
+#define dda_state_advance(dstate, dstep, nsteps)\
+  BEGIN\
+    uint n_ = (nsteps);\
+    (dstate).Q += (dstep).dQ * (nsteps);\
+    while ( n_-- )\
+      if ( (dstate).R > (dstep).dR ) (dstate).R -= (dstep).dR;\
+      else (dstate).R += (dstep).NdR, (dstate).Q++;\
+  END
+#define dda_advance(dda, nsteps)\
+  dda_state_advance((dda).state, (dda).step, nsteps)
+/*
+ * Translate the position of a DDA by a given amount.
+ */
+#define dda_state_translate(dstate, delta)\
+  ((dstate).Q += (delta))
+#define dda_translate(dda, delta)\
+  dda_state_translate((dda).state, delta)
+
+#endif /* gxdda_INCLUDED */
diff --git a/pstoraster/gxdevcli.h b/pstoraster/gxdevcli.h
new file mode 100644
index 000000000..53a4eefc2
--- /dev/null
+++ b/pstoraster/gxdevcli.h
@@ -0,0 +1,877 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for device clients */
+
+#ifndef gxdevcli_INCLUDED
+#  define gxdevcli_INCLUDED
+
+#include "std.h"		/* for FILE */
+#include "gscompt.h"
+#include "gsdcolor.h"
+#include "gsmatrix.h"
+#include "gsiparam.h"		/* requires gsmatrix.h */
+#include "gsrefct.h"
+#include "gsropt.h"
+#include "gsstruct.h"
+#include "gsxfont.h"
+#include "gxbitmap.h"
+#include "gxcindex.h"
+#include "gxcvalue.h"
+#include "gxfixed.h"
+#include "gxtext.h"
+
+/* See Drivers.htm for documentation of the driver interface. */
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+
+/* ---------------- Auxiliary types and structures ---------------- */
+
+/* We need at least an abstract type for a graphics state, */
+/* which is passed to the page device procedures. */
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+
+/* We need abstract types for paths and fill/stroke parameters, */
+/* for the path-oriented device procedures. */
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+#ifndef gx_clip_path_DEFINED
+#  define gx_clip_path_DEFINED
+typedef struct gx_clip_path_s gx_clip_path;
+
+#endif
+#ifndef gx_fill_params_DEFINED
+#  define gx_fill_params_DEFINED
+typedef struct gx_fill_params_s gx_fill_params;
+
+#endif
+#ifndef gx_stroke_params_DEFINED
+#  define gx_stroke_params_DEFINED
+typedef struct gx_stroke_params_s gx_stroke_params;
+
+#endif
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+/* We need an abstract type for the image enumeration state, */
+/* for begin[_typed]_image. */
+#ifndef gx_image_enum_common_t_DEFINED
+#  define gx_image_enum_common_t_DEFINED
+typedef struct gx_image_enum_common_s gx_image_enum_common_t;
+
+#endif
+
+/* Define the type for colors passed to the higher-level procedures. */
+typedef gx_device_color gx_drawing_color;
+
+/* Define a type for telling get_alpha_bits what kind of object */
+/* is being rendered. */
+typedef enum {
+    go_text,
+    go_graphics
+} graphics_object_type;
+
+/* Define an edge of a trapezoid.  Requirement: end.y >= start.y. */
+typedef struct gs_fixed_edge_s {
+    gs_fixed_point start;
+    gs_fixed_point end;
+} gs_fixed_edge;
+
+/* Define the parameters passed to get_bits_rectangle. */
+#ifndef gs_get_bits_params_DEFINED
+#  define gs_get_bits_params_DEFINED
+typedef struct gs_get_bits_params_s gs_get_bits_params_t;
+#endif
+
+/* Define the structure for device color capabilities. */
+typedef struct gx_device_color_info_s {
+    int num_components;		/* doesn't include alpha: */
+    /* 0 = alpha only, 1 = gray only, */
+    /* 3 = RGB, 4 = CMYK */
+    int depth;			/* # of bits per pixel */
+    gx_color_value max_gray;	/* # of distinct gray levels -1 */
+    gx_color_value max_color;	/* # of distinct color levels -1 */
+    /* (only relevant if num_comp. > 1) */
+    gx_color_value dither_grays;	/* size of gray ramp for dithering */
+    gx_color_value dither_colors;	/* size of color cube ditto */
+    /* (only relevant if num_comp. > 1) */
+} gx_device_color_info;
+
+#define dci_values(nc,depth,mg,mc,dg,dc) { nc, depth, mg, mc, dg, dc }
+#define dci_std_color(color_bits)\
+  dci_values(\
+    (color_bits == 32 ? 4 : color_bits > 1 ? 3 : 1),\
+    ((color_bits > 1) & (color_bits < 8) ? 8 : color_bits),\
+    (color_bits >= 8 ? 255 : 1),\
+    (color_bits >= 8 ? 255 : color_bits > 1 ? 1 : 0),\
+    (color_bits >= 8 ? 5 : 2),\
+    (color_bits >= 8 ? 5 : color_bits > 1 ? 2 : 0)\
+  )
+#define dci_black_and_white dci_std_color(1)
+#define dci_black_and_white_() dci_black_and_white
+#define dci_color(depth,maxv,dither)\
+  dci_values(3, depth, maxv, maxv, dither, dither)
+#define gx_device_has_color(dev) ((dev)->color_info.num_components > 1)
+
+/* Structure for device procedures. */
+typedef struct gx_device_procs_s gx_device_procs;
+
+/* Structure for page device procedures. */
+/* Note that these take the graphics state as a parameter. */
+typedef struct gx_page_device_procs_s {
+
+#define dev_page_proc_install(proc)\
+  int proc(P2(gx_device *dev, gs_state *pgs))
+    dev_page_proc_install((*install));
+
+#define dev_page_proc_begin_page(proc)\
+  int proc(P2(gx_device *dev, gs_state *pgs))
+    dev_page_proc_begin_page((*begin_page));
+
+#define dev_page_proc_end_page(proc)\
+  int proc(P3(gx_device *dev, int reason, gs_state *pgs))
+    dev_page_proc_end_page((*end_page));
+
+} gx_page_device_procs;
+
+/* Default procedures */
+dev_page_proc_install(gx_default_install);
+dev_page_proc_begin_page(gx_default_begin_page);
+dev_page_proc_end_page(gx_default_end_page);
+
+/* ---------------- Device structure ---------------- */
+
+/*
+ * Define the generic device structure.  The device procedures can
+ * have two different configurations:
+ * 
+ *      - Statically initialized devices predating release 2.8.1
+ *      set the static_procs pointer to point to a separate procedure record,
+ *      and do not initialize procs.
+ *
+ *      - Statically initialized devices starting with release 2.8.1,
+ *      and all dynamically created device instances,
+ *      set the static_procs pointer to 0, and initialize procs.
+ *
+ * The gx_device_set_procs procedure converts the first of these to
+ * the second, which is what all client code starting in 2.8.1 expects
+ * (using the procs record, not the static_procs pointer, to call the
+ * driver procedures).
+ *
+ * The choice of the name Margins (rather than, say, HWOffset), and the
+ * specification in terms of a default device resolution rather than
+ * 1/72" units, are due to Adobe.
+ *
+ * ****** NOTE: If you define any subclasses of gx_device, you *must* define
+ * ****** the finalization procedure as gx_device_finalize.  Finalization
+ * ****** procedures are not automatically inherited.
+ */
+#define gx_device_common\
+	int params_size;		/* OBSOLETE if stype != 0: */\
+					/* size of this structure */\
+	const gx_device_procs *static_procs;	/* OBSOLETE */\
+					/* pointer to procs */\
+	const char *dname;		/* the device name */\
+	gs_memory_t *memory;		/* (0 iff static prototype) */\
+	gs_memory_type_ptr_t stype;	/* memory manager structure type, */\
+					/* 0 iff static prototype */\
+	rc_header rc;			/* reference count from gstates, */\
+					/* +1 if not internal device */\
+	bool is_open;			/* true if device has been opened */\
+	int max_fill_band;		/* limit on band size for fill, */\
+					/* must be 0 or a power of 2 */\
+					/* (see gdevabuf.c for more info) */\
+	gx_device_color_info color_info;	/* color information */\
+	int width;			/* width in pixels */\
+	int height;			/* height in pixels */\
+	float PageSize[2];		/* media dimensions in points */\
+	float ImagingBBox[4];		/* imageable region in points */\
+	  bool ImagingBBox_set;\
+	float HWResolution[2];		/* resolution, dots per inch */\
+	float MarginsHWResolution[2];	/* resolution for Margins */\
+	float Margins[2];		/* offset of physical page corner */\
+					/* from device coordinate (0,0), */\
+					/* in units given by MarginsHWResolution */\
+	float HWMargins[4];		/* margins around imageable area, */\
+					/* in default user units ("points") */\
+	long PageCount;			/* number of pages written */\
+	long ShowpageCount;		/* number of calls on showpage */\
+	int NumCopies;\
+	  bool NumCopies_set;\
+	bool IgnoreNumCopies;		/* if true, force num_copies = 1 */\
+	gx_page_device_procs page_procs;	/* must be last */\
+		/* end of std_device_body */\
+	gx_device_procs procs	/* object procedures */
+#define x_pixels_per_inch HWResolution[0]
+#define y_pixels_per_inch HWResolution[1]
+#define offset_margin_values(x, y, left, bot, right, top)\
+  {x, y}, {left, bot, right, top}
+#define margin_values(left, bot, right, top)\
+  offset_margin_values(0, 0, left, bot, right, top)
+#define no_margins margin_values(0, 0, 0, 0)
+#define no_margins_() no_margins
+/* Define macros that give the page offset ("Margins") in inches. */
+#define dev_x_offset(dev) ((dev)->Margins[0] / (dev)->MarginsHWResolution[0])
+#define dev_y_offset(dev) ((dev)->Margins[1] / (dev)->MarginsHWResolution[1])
+#define dev_y_offset_points(dev) (dev_y_offset(dev) * 72.0)
+/* Note that left/right/top/bottom are defined relative to */
+/* the physical paper, not the coordinate system. */
+/* For backward compatibility, we define macros that give */
+/* the margins in inches. */
+#define dev_l_margin(dev) ((dev)->HWMargins[0] / 72.0)
+#define dev_b_margin(dev) ((dev)->HWMargins[1] / 72.0)
+#define dev_b_margin_points(dev) ((dev)->HWMargins[1])
+#define dev_r_margin(dev) ((dev)->HWMargins[2] / 72.0)
+#define dev_t_margin(dev) ((dev)->HWMargins[3] / 72.0)
+#define dev_t_margin_points(dev) ((dev)->HWMargins[3])
+/* The extra () are to prevent premature expansion. */
+#define open_init_closed() 0 /*false*/, 0	/* max_fill_band */
+#define open_init_open() 1 /*true*/, 0	/* max_fill_band */
+/* Accessors for device procedures */
+#define dev_proc(dev, p) ((dev)->procs.p)
+#define set_dev_proc(dev, p, proc) ((dev)->procs.p = (proc))
+#define fill_dev_proc(dev, p, dproc)\
+  if ( dev_proc(dev, p) == 0 ) set_dev_proc(dev, p, dproc)
+#define assign_dev_procs(todev, fromdev)\
+  ((todev)->procs = (fromdev)->procs)
+
+/* ---------------- Device procedures ---------------- */
+
+/* Define an opaque type for parameter lists. */
+#ifndef gs_param_list_DEFINED
+#  define gs_param_list_DEFINED
+typedef struct gs_param_list_s gs_param_list;
+
+#endif
+
+/*
+ * Definition of device procedures.
+ * Note that the gx_device * argument is not declared const,
+ * because many drivers maintain dynamic state in the device structure.
+ * Note also that the structure is defined as a template, so that
+ * we can instantiate it with device subclasses.
+ * Because C doesn't have real templates, we must do this with macros.
+ */
+
+/* Define macros for declaring device procedures. */
+
+#define dev_t_proc_open_device(proc, dev_t)\
+  int proc(P1(dev_t *dev))
+#define dev_proc_open_device(proc)\
+  dev_t_proc_open_device(proc, gx_device)
+
+#define dev_t_proc_get_initial_matrix(proc, dev_t)\
+  void proc(P2(dev_t *dev, gs_matrix *pmat))
+#define dev_proc_get_initial_matrix(proc)\
+  dev_t_proc_get_initial_matrix(proc, gx_device)
+
+#define dev_t_proc_sync_output(proc, dev_t)\
+  int proc(P1(dev_t *dev))
+#define dev_proc_sync_output(proc)\
+  dev_t_proc_sync_output(proc, gx_device)
+
+#define dev_t_proc_output_page(proc, dev_t)\
+  int proc(P3(dev_t *dev, int num_copies, int flush))
+#define dev_proc_output_page(proc)\
+  dev_t_proc_output_page(proc, gx_device)
+
+#define dev_t_proc_close_device(proc, dev_t)\
+  int proc(P1(dev_t *dev))
+#define dev_proc_close_device(proc)\
+  dev_t_proc_close_device(proc, gx_device)
+
+#define dev_t_proc_map_rgb_color(proc, dev_t)\
+  gx_color_index proc(P4(dev_t *dev,\
+    gx_color_value red, gx_color_value green, gx_color_value blue))
+#define dev_proc_map_rgb_color(proc)\
+  dev_t_proc_map_rgb_color(proc, gx_device)
+
+#define dev_t_proc_map_color_rgb(proc, dev_t)\
+  int proc(P3(dev_t *dev,\
+    gx_color_index color, gx_color_value rgb[3]))
+#define dev_proc_map_color_rgb(proc)\
+  dev_t_proc_map_color_rgb(proc, gx_device)
+
+#define dev_t_proc_fill_rectangle(proc, dev_t)\
+  int proc(P6(dev_t *dev,\
+    int x, int y, int width, int height, gx_color_index color))
+#define dev_proc_fill_rectangle(proc)\
+  dev_t_proc_fill_rectangle(proc, gx_device)
+
+#define dev_t_proc_tile_rectangle(proc, dev_t)\
+  int proc(P10(dev_t *dev,\
+    const gx_tile_bitmap *tile, int x, int y, int width, int height,\
+    gx_color_index color0, gx_color_index color1,\
+    int phase_x, int phase_y))
+#define dev_proc_tile_rectangle(proc)\
+  dev_t_proc_tile_rectangle(proc, gx_device)
+
+#define dev_t_proc_copy_mono(proc, dev_t)\
+  int proc(P11(dev_t *dev,\
+    const byte *data, int data_x, int raster, gx_bitmap_id id,\
+    int x, int y, int width, int height,\
+    gx_color_index color0, gx_color_index color1))
+#define dev_proc_copy_mono(proc)\
+  dev_t_proc_copy_mono(proc, gx_device)
+
+#define dev_t_proc_copy_color(proc, dev_t)\
+  int proc(P9(dev_t *dev,\
+    const byte *data, int data_x, int raster, gx_bitmap_id id,\
+    int x, int y, int width, int height))
+#define dev_proc_copy_color(proc)\
+  dev_t_proc_copy_color(proc, gx_device)
+
+		/* OBSOLETED in release 3.66 */
+
+#define dev_t_proc_draw_line(proc, dev_t)\
+  int proc(P6(dev_t *dev,\
+    int x0, int y0, int x1, int y1, gx_color_index color))
+#define dev_proc_draw_line(proc)\
+  dev_t_proc_draw_line(proc, gx_device)
+
+		/* Added in release 2.4 */
+
+#define dev_t_proc_get_bits(proc, dev_t)\
+  int proc(P4(dev_t *dev,\
+    int y, byte *data, byte **actual_data))
+#define dev_proc_get_bits(proc)\
+  dev_t_proc_get_bits(proc, gx_device)
+
+		/* Added in release 2.4, changed in 2.8, */
+		/* renamed in 2.9.6 */
+
+#define dev_t_proc_get_params(proc, dev_t)\
+  int proc(P2(dev_t *dev, gs_param_list *plist))
+#define dev_proc_get_params(proc)\
+  dev_t_proc_get_params(proc, gx_device)
+
+#define dev_t_proc_put_params(proc, dev_t)\
+  int proc(P2(dev_t *dev, gs_param_list *plist))
+#define dev_proc_put_params(proc)\
+  dev_t_proc_put_params(proc, gx_device)
+
+		/* Added in release 2.6 */
+
+#define dev_t_proc_map_cmyk_color(proc, dev_t)\
+  gx_color_index proc(P5(dev_t *dev,\
+    gx_color_value cyan, gx_color_value magenta, gx_color_value yellow,\
+    gx_color_value black))
+#define dev_proc_map_cmyk_color(proc)\
+  dev_t_proc_map_cmyk_color(proc, gx_device)
+
+#define dev_t_proc_get_xfont_procs(proc, dev_t)\
+  const gx_xfont_procs *proc(P1(dev_t *dev))
+#define dev_proc_get_xfont_procs(proc)\
+  dev_t_proc_get_xfont_procs(proc, gx_device)
+
+		/* Added in release 2.6.1 */
+
+#define dev_t_proc_get_xfont_device(proc, dev_t)\
+  gx_device *proc(P1(dev_t *dev))
+#define dev_proc_get_xfont_device(proc)\
+  dev_t_proc_get_xfont_device(proc, gx_device)
+
+		/* Added in release 2.7.1 */
+
+#define dev_t_proc_map_rgb_alpha_color(proc, dev_t)\
+  gx_color_index proc(P5(dev_t *dev,\
+    gx_color_value red, gx_color_value green, gx_color_value blue,\
+    gx_color_value alpha))
+#define dev_proc_map_rgb_alpha_color(proc)\
+  dev_t_proc_map_rgb_alpha_color(proc, gx_device)
+
+		/* Added in release 2.8.1 */
+
+#define dev_t_proc_get_page_device(proc, dev_t)\
+  gx_device *proc(P1(dev_t *dev))
+#define dev_proc_get_page_device(proc)\
+  dev_t_proc_get_page_device(proc, gx_device)
+
+		/* Added in release 3.20 */
+
+#define dev_t_proc_get_alpha_bits(proc, dev_t)\
+  int proc(P2(dev_t *dev, graphics_object_type type))
+#define dev_proc_get_alpha_bits(proc)\
+  dev_t_proc_get_alpha_bits(proc, gx_device)
+
+#define dev_t_proc_copy_alpha(proc, dev_t)\
+  int proc(P11(dev_t *dev, const byte *data, int data_x,\
+    int raster, gx_bitmap_id id, int x, int y, int width, int height,\
+    gx_color_index color, int depth))
+#define dev_proc_copy_alpha(proc)\
+  dev_t_proc_copy_alpha(proc, gx_device)
+
+		/* Added in release 3.38 */
+
+#define dev_t_proc_get_band(proc, dev_t)\
+  int proc(P3(dev_t *dev, int y, int *band_start))
+#define dev_proc_get_band(proc)\
+  dev_t_proc_get_band(proc, gx_device)
+
+		/* Added in release 3.44 */
+
+#define dev_t_proc_copy_rop(proc, dev_t)\
+  int proc(P15(dev_t *dev,\
+    const byte *sdata, int sourcex, uint sraster, gx_bitmap_id id,\
+    const gx_color_index *scolors,\
+    const gx_tile_bitmap *texture, const gx_color_index *tcolors,\
+    int x, int y, int width, int height,\
+    int phase_x, int phase_y, gs_logical_operation_t lop))
+#define dev_proc_copy_rop(proc)\
+  dev_t_proc_copy_rop(proc, gx_device)
+
+		/* Added in release 3.60, changed in 3.68. */
+
+#define dev_t_proc_fill_path(proc, dev_t)\
+  int proc(P6(dev_t *dev,\
+    const gs_imager_state *pis, gx_path *ppath,\
+    const gx_fill_params *params,\
+    const gx_drawing_color *pdcolor, const gx_clip_path *pcpath))
+#define dev_proc_fill_path(proc)\
+  dev_t_proc_fill_path(proc, gx_device)
+
+#define dev_t_proc_stroke_path(proc, dev_t)\
+  int proc(P6(dev_t *dev,\
+    const gs_imager_state *pis, gx_path *ppath,\
+    const gx_stroke_params *params,\
+    const gx_drawing_color *pdcolor, const gx_clip_path *pcpath))
+#define dev_proc_stroke_path(proc)\
+  dev_t_proc_stroke_path(proc, gx_device)
+
+		/* Added in release 3.60 */
+
+#define dev_t_proc_fill_mask(proc, dev_t)\
+  int proc(P13(dev_t *dev,\
+    const byte *data, int data_x, int raster, gx_bitmap_id id,\
+    int x, int y, int width, int height,\
+    const gx_drawing_color *pdcolor, int depth,\
+    gs_logical_operation_t lop, const gx_clip_path *pcpath))
+#define dev_proc_fill_mask(proc)\
+  dev_t_proc_fill_mask(proc, gx_device)
+
+		/* Added in release 3.66, changed in 3.69 */
+
+#define dev_t_proc_fill_trapezoid(proc, dev_t)\
+  int proc(P8(dev_t *dev,\
+    const gs_fixed_edge *left, const gs_fixed_edge *right,\
+    fixed ybot, fixed ytop, bool swap_axes,\
+    const gx_drawing_color *pdcolor, gs_logical_operation_t lop))
+#define dev_proc_fill_trapezoid(proc)\
+  dev_t_proc_fill_trapezoid(proc, gx_device)
+
+#define dev_t_proc_fill_parallelogram(proc, dev_t)\
+  int proc(P9(dev_t *dev,\
+    fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,\
+    const gx_drawing_color *pdcolor, gs_logical_operation_t lop))
+#define dev_proc_fill_parallelogram(proc)\
+  dev_t_proc_fill_parallelogram(proc, gx_device)
+
+#define dev_t_proc_fill_triangle(proc, dev_t)\
+  int proc(P9(dev_t *dev,\
+    fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,\
+    const gx_drawing_color *pdcolor, gs_logical_operation_t lop))
+#define dev_proc_fill_triangle(proc)\
+  dev_t_proc_fill_triangle(proc, gx_device)
+
+#define dev_t_proc_draw_thin_line(proc, dev_t)\
+  int proc(P7(dev_t *dev,\
+    fixed fx0, fixed fy0, fixed fx1, fixed fy1,\
+    const gx_drawing_color *pdcolor, gs_logical_operation_t lop))
+#define dev_proc_draw_thin_line(proc)\
+  dev_t_proc_draw_thin_line(proc, gx_device)
+
+		/* Added in release 3.66 (as stubs); */
+		/* changed in 3.68; */
+		/* begin_image and image_data changed in 4.30, */
+		/* begin_image changed in 5.23. */
+
+#define dev_t_proc_begin_image(proc, dev_t)\
+  int proc(P9(dev_t *dev,\
+    const gs_imager_state *pis, const gs_image_t *pim,\
+    gs_image_format_t format, const gs_int_rect *prect,\
+    const gx_drawing_color *pdcolor, const gx_clip_path *pcpath,\
+    gs_memory_t *memory, gx_image_enum_common_t **pinfo))
+#define dev_proc_begin_image(proc)\
+  dev_t_proc_begin_image(proc, gx_device)
+
+		/* OBSOLETED in release 5.23 */
+
+#define dev_t_proc_image_data(proc, dev_t)\
+  int proc(P6(dev_t *dev,\
+    gx_image_enum_common_t *info, const byte **planes, int data_x,\
+    uint raster, int height))
+#define dev_proc_image_data(proc)\
+  dev_t_proc_image_data(proc, gx_device)
+
+		/* OBSOLETED in release 5.23 */
+
+#define dev_t_proc_end_image(proc, dev_t)\
+  int proc(P3(dev_t *dev,\
+    gx_image_enum_common_t *info, bool draw_last))
+#define dev_proc_end_image(proc)\
+  dev_t_proc_end_image(proc, gx_device)
+
+		/* Added in release 3.68 */
+
+#define dev_t_proc_strip_tile_rectangle(proc, dev_t)\
+  int proc(P10(dev_t *dev,\
+    const gx_strip_bitmap *tiles, int x, int y, int width, int height,\
+    gx_color_index color0, gx_color_index color1,\
+    int phase_x, int phase_y))
+#define dev_proc_strip_tile_rectangle(proc)\
+  dev_t_proc_strip_tile_rectangle(proc, gx_device)
+
+#define dev_t_proc_strip_copy_rop(proc, dev_t)\
+  int proc(P15(dev_t *dev,\
+    const byte *sdata, int sourcex, uint sraster, gx_bitmap_id id,\
+    const gx_color_index *scolors,\
+    const gx_strip_bitmap *textures, const gx_color_index *tcolors,\
+    int x, int y, int width, int height,\
+    int phase_x, int phase_y, gs_logical_operation_t lop))
+#define dev_proc_strip_copy_rop(proc)\
+  dev_t_proc_strip_copy_rop(proc, gx_device)
+
+		/* Added in release 4.20 */
+
+#define dev_t_proc_get_clipping_box(proc, dev_t)\
+  void proc(P2(dev_t *dev, gs_fixed_rect *pbox))
+#define dev_proc_get_clipping_box(proc)\
+  dev_t_proc_get_clipping_box(proc, gx_device)
+
+		/* Added in release 5.20, changed in 5.23 */
+
+#define dev_t_proc_begin_typed_image(proc, dev_t)\
+  int proc(P9(dev_t *dev,\
+    const gs_imager_state *pis, const gs_matrix *pmat,\
+    const gs_image_common_t *pim, const gs_int_rect *prect,\
+    const gx_drawing_color *pdcolor, const gx_clip_path *pcpath,\
+    gs_memory_t *memory, gx_image_enum_common_t **pinfo))
+#define dev_proc_begin_typed_image(proc)\
+  dev_t_proc_begin_typed_image(proc, gx_device)
+
+		/* Added in release 5.20 */
+
+#define dev_t_proc_get_bits_rectangle(proc, dev_t)\
+  int proc(P4(dev_t *dev, const gs_int_rect *prect,\
+    gs_get_bits_params_t *params, gs_int_rect **unread))
+#define dev_proc_get_bits_rectangle(proc)\
+  dev_t_proc_get_bits_rectangle(proc, gx_device)
+
+#define dev_t_proc_map_color_rgb_alpha(proc, dev_t)\
+  int proc(P3(dev_t *dev,\
+    gx_color_index color, gx_color_value rgba[4]))
+#define dev_proc_map_color_rgb_alpha(proc)\
+  dev_t_proc_map_color_rgb_alpha(proc, gx_device)
+
+#define dev_t_proc_create_compositor(proc, dev_t)\
+  int proc(P5(dev_t *dev,\
+    gx_device **pcdev, const gs_composite_t *pcte,\
+    const gs_imager_state *pis, gs_memory_t *memory))
+#define dev_proc_create_compositor(proc)\
+  dev_t_proc_create_compositor(proc, gx_device)\
+
+		/* Added in release 5.23 */
+
+#define dev_t_proc_get_hardware_params(proc, dev_t)\
+  int proc(P2(dev_t *dev, gs_param_list *plist))
+#define dev_proc_get_hardware_params(proc)\
+  dev_t_proc_get_hardware_params(proc, gx_device)
+
+		/* Added in release 5.24 */
+
+     /* ... text_begin ... see gxtext.h for definition */
+
+/* Define the device procedure vector template proper. */
+
+#define gx_device_proc_struct(dev_t)\
+{	dev_t_proc_open_device((*open_device), dev_t);\
+	dev_t_proc_get_initial_matrix((*get_initial_matrix), dev_t);\
+	dev_t_proc_sync_output((*sync_output), dev_t);\
+	dev_t_proc_output_page((*output_page), dev_t);\
+	dev_t_proc_close_device((*close_device), dev_t);\
+	dev_t_proc_map_rgb_color((*map_rgb_color), dev_t);\
+	dev_t_proc_map_color_rgb((*map_color_rgb), dev_t);\
+	dev_t_proc_fill_rectangle((*fill_rectangle), dev_t);\
+	dev_t_proc_tile_rectangle((*tile_rectangle), dev_t);\
+	dev_t_proc_copy_mono((*copy_mono), dev_t);\
+	dev_t_proc_copy_color((*copy_color), dev_t);\
+	dev_t_proc_draw_line((*obsolete_draw_line), dev_t);\
+	dev_t_proc_get_bits((*get_bits), dev_t);\
+	dev_t_proc_get_params((*get_params), dev_t);\
+	dev_t_proc_put_params((*put_params), dev_t);\
+	dev_t_proc_map_cmyk_color((*map_cmyk_color), dev_t);\
+	dev_t_proc_get_xfont_procs((*get_xfont_procs), dev_t);\
+	dev_t_proc_get_xfont_device((*get_xfont_device), dev_t);\
+	dev_t_proc_map_rgb_alpha_color((*map_rgb_alpha_color), dev_t);\
+	dev_t_proc_get_page_device((*get_page_device), dev_t);\
+	dev_t_proc_get_alpha_bits((*get_alpha_bits), dev_t);\
+	dev_t_proc_copy_alpha((*copy_alpha), dev_t);\
+	dev_t_proc_get_band((*get_band), dev_t);\
+	dev_t_proc_copy_rop((*copy_rop), dev_t);\
+	dev_t_proc_fill_path((*fill_path), dev_t);\
+	dev_t_proc_stroke_path((*stroke_path), dev_t);\
+	dev_t_proc_fill_mask((*fill_mask), dev_t);\
+	dev_t_proc_fill_trapezoid((*fill_trapezoid), dev_t);\
+	dev_t_proc_fill_parallelogram((*fill_parallelogram), dev_t);\
+	dev_t_proc_fill_triangle((*fill_triangle), dev_t);\
+	dev_t_proc_draw_thin_line((*draw_thin_line), dev_t);\
+	dev_t_proc_begin_image((*begin_image), dev_t);\
+	dev_t_proc_image_data((*image_data), dev_t);\
+	dev_t_proc_end_image((*end_image), dev_t);\
+	dev_t_proc_strip_tile_rectangle((*strip_tile_rectangle), dev_t);\
+	dev_t_proc_strip_copy_rop((*strip_copy_rop), dev_t);\
+	dev_t_proc_get_clipping_box((*get_clipping_box), dev_t);\
+	dev_t_proc_begin_typed_image((*begin_typed_image), dev_t);\
+	dev_t_proc_get_bits_rectangle((*get_bits_rectangle), dev_t);\
+	dev_t_proc_map_color_rgb_alpha((*map_color_rgb_alpha), dev_t);\
+	dev_t_proc_create_compositor((*create_compositor), dev_t);\
+	dev_t_proc_get_hardware_params((*get_hardware_params), dev_t);\
+	dev_t_proc_text_begin((*text_begin), dev_t);\
+}
+/*
+ * Provide procedures for passing image data.  image_data and end_image
+ * are the equivalents of the obsolete driver procedures.  image_plane_data
+ * was originally planned as a driver procedure, but is now associated with
+ * the image enumerator, like the other two.
+ */
+
+typedef struct gx_image_plane_s {
+    const byte *data;
+    int data_x;
+    uint raster;
+} gx_image_plane_t;
+
+#define image_enum_proc_plane_data(proc)\
+  int proc(P4(gx_device *dev,\
+    gx_image_enum_common_t *info, const gx_image_plane_t *planes,\
+    int height))
+#define gx_device_begin_image(dev, pis, pim, format, prect, pdcolor, pcpath, memory, pinfo)\
+  ((*dev_proc(dev, begin_image))\
+   (dev, pis, pim, format, prect, pdcolor, pcpath, memory, pinfo))
+#define gx_device_begin_typed_image(dev, pis, pmat, pim, prect, pdcolor, pcpath, memory, pinfo)\
+  ((*dev_proc(dev, begin_typed_image))\
+   (dev, pis, pmat, pim, prect, pdcolor, pcpath, memory, pinfo))
+
+/*
+ * The driver-like procedures gx_device_{image_data, image_plane_data,
+ * end_image} are now DEPRECATED and will eventually be removed.
+ * Their replacements no longer take an ignored dev argument.
+ */
+int gx_image_data(P5(gx_image_enum_common_t *info, const byte **planes,
+		     int data_x, uint raster, int height));
+int gx_image_plane_data(P3(gx_image_enum_common_t *info,
+			   const gx_image_plane_t *planes, int height));
+int gx_image_end(P2(gx_image_enum_common_t *info, bool draw_last));
+
+#define gx_device_image_data(dev, info, planes, data_x, raster, height)\
+  gx_image_data(info, planes, data_x, raster, height)
+#define gx_device_image_plane_data(dev, info, planes, height)\
+  gx_image_plane_data(info, planes, height)
+#define gx_device_end_image(dev, info, draw_last)\
+  gx_image_end(info, draw_last)
+
+/* A generic device procedure record. */
+struct gx_device_procs_s gx_device_proc_struct(gx_device);
+
+/*
+ * Define a procedure for setting up a memory device for buffering output
+ * for a given device.  This is only used by band devices, but we define it
+ * here for convenience.  The default implementation just calls
+ * gs_make_mem_device.  Possibly this should be a generic device
+ * procedure....
+ */
+#ifndef gx_device_memory_DEFINED
+#  define gx_device_memory_DEFINED
+typedef struct gx_device_memory_s gx_device_memory;
+
+#endif
+#define dev_proc_make_buffer_device(proc)\
+  int proc(P4(gx_device_memory *, gx_device *, gs_memory_t *, bool))
+dev_proc_make_buffer_device(gx_default_make_buffer_device);
+
+/*
+ * Define unaligned analogues of the copy_xxx procedures.
+ * These are slower than the standard procedures, which require
+ * aligned bitmaps, and also are not portable to non-byte-addressed machines.
+ *
+ * We allow both unaligned data and unaligned scan line widths;
+ * however, we do require that both of these be aligned modulo the largest
+ * power of 2 bytes that divides the data depth, i.e.:
+ *      depth   alignment
+ *      <= 8    1
+ *      16      2
+ *      24      1
+ *      32      4
+ */
+dev_proc_copy_mono(gx_copy_mono_unaligned);
+dev_proc_copy_color(gx_copy_color_unaligned);
+dev_proc_copy_alpha(gx_copy_alpha_unaligned);
+
+/* A generic device */
+struct gx_device_s {
+    gx_device_common;
+};
+
+extern_st(st_device);
+struct_proc_finalize(gx_device_finalize);	/* public for subclasses */
+/* We use vacuous enum/reloc procedures, rather than 0, so that */
+/* gx_device can have subclasses. */
+#define public_st_device()	/* in gsdevice.c */\
+  gs_public_st_complex_only(st_device, gx_device, "gx_device",\
+    0, gs_no_struct_enum_ptrs, gs_no_struct_reloc_ptrs, gx_device_finalize)
+#define st_device_max_ptrs 0
+
+/* Enumerate or relocate a pointer to a device. */
+/* These take the containing space into account properly. */
+gx_device *gx_device_enum_ptr(P1(gx_device *));
+gx_device *gx_device_reloc_ptr(P2(gx_device *, gc_state_t *));
+
+/* Define typedefs for some of the device procedures, because */
+/* ansi2knr can't handle dev_proc_xxx((*xxx)) in a formal argument list. */
+typedef dev_proc_map_rgb_color((*dev_proc_map_rgb_color_t));
+typedef dev_proc_map_color_rgb((*dev_proc_map_color_rgb_t));
+
+/*
+ * A forwarding device forwards all non-display operations, and possibly
+ * some imaging operations (possibly transformed in some way), to another
+ * device called the "target".  This is used for many different purposes
+ * internally, including clipping, banding, image and pattern accumulation,
+ * compositing, halftoning, and the null device.
+ */
+#define gx_device_forward_common\
+	gx_device_common;\
+	gx_device *target
+/* A generic forwarding device. */
+typedef struct gx_device_forward_s {
+    gx_device_forward_common;
+} gx_device_forward;
+
+extern_st(st_device_forward);
+#define public_st_device_forward()	/* in gsdevice.c */\
+  gs_public_st_complex_only(st_device_forward, gx_device_forward,\
+    "gx_device_forward", 0, device_forward_enum_ptrs,\
+    device_forward_reloc_ptrs, gx_device_finalize)
+#define st_device_forward_max_ptrs (st_device_max_ptrs + 1)
+
+/* A null device.  This is used to temporarily disable output. */
+#ifndef gx_device_null_DEFINED
+#  define gx_device_null_DEFINED
+typedef struct gx_device_null_s gx_device_null;
+
+#endif
+struct gx_device_null_s {
+    gx_device_forward_common;
+};
+extern const gx_device_null gs_null_device;
+
+#define gx_device_is_null(dev)\
+  ((dev)->dname == gs_null_device.dname)
+extern_st(st_device_null);
+#define public_st_device_null()	/* in gsdevice.c */\
+  gs_public_st_complex_only(st_device_null, gx_device_null,\
+    "gx_device_null", 0, device_forward_enum_ptrs,\
+    device_forward_reloc_ptrs, gx_device_finalize)
+#define st_device_null_max_ptrs st_device_forward_max_ptrs
+
+/*
+ * Initialize a just-allocated device from a prototype.
+ * internal = true means initialize the reference count to 0,
+ * false means initialize to 1.
+ */
+void gx_device_init(P4(gx_device * dev, const gx_device * proto,
+		       gs_memory_t * mem, bool internal));
+
+/* Make a null device. */
+/* The gs_memory_t argument is 0 if the device is temporary and local, */
+/* or the allocator that was used to allocate it if it is a real object. */
+void gs_make_null_device(P2(gx_device_null *, gs_memory_t *));
+
+/* Calculate the raster (number of bytes in a scan line), */
+/* with byte or word padding. */
+uint gx_device_raster(P2(const gx_device * dev, bool pad_to_word));
+
+/* Adjust the resolution for devices that only have a fixed set of */
+/* geometries, so that the apparent size in inches remains constant. */
+/* If fit=1, the resolution is adjusted so that the entire image fits; */
+/* if fit=0, one dimension fits, but the other one is clipped. */
+int gx_device_adjust_resolution(P4(gx_device * dev, int actual_width, int actual_height, int fit));
+
+/* Set the HWMargins to values defined in inches. */
+/* If move_origin is true, also reset the Margins. */
+void gx_device_set_margins(P3(gx_device * dev, const float *margins /*[4] */ ,
+			      bool move_origin));
+
+/* Set the width and height (in pixels), updating PageSize. */
+void gx_device_set_width_height(P3(gx_device * dev, int width, int height));
+
+/* Set the resolution (in pixels per inch), updating width and height. */
+void gx_device_set_resolution(P3(gx_device * dev, floatp x_dpi, floatp y_dpi));
+
+/* Set the PageSize (in 1/72" units), updating width and height. */
+void gx_device_set_media_size(P3(gx_device * dev, floatp media_width, floatp media_height));
+
+/****** BACKWARD COMPATIBILITY ******/
+#define gx_device_set_page_size(dev, w, h)\
+  gx_device_set_media_size(dev, w, h)
+
+/*
+ * Temporarily install a null device, or a special device such as
+ * a clipping or cache device.
+ */
+void gx_set_device_only(P2(gs_state *, gx_device *));
+
+/* Close a device. */
+int gs_closedevice(P1(gx_device *));
+
+/* ------ Device types (an unused concept right now) ------ */
+
+#define dev_type_proc_initialize(proc)\
+  int proc(P1(gx_device *))
+
+typedef struct gx_device_type_s {
+    gs_memory_type_ptr_t stype;
+                         dev_type_proc_initialize((*initialize));
+} gx_device_type;
+
+#define device_type(dtname, stype, initproc)\
+private dev_type_proc_initialize(initproc);\
+const gx_device_type dtname = { &stype, initproc }
+
+/*dev_type_proc_initialize(gdev_initialize); */
+
+#endif /* gxdevcli_INCLUDED */
diff --git a/pstoraster/gxdevice.h b/pstoraster/gxdevice.h
new file mode 100644
index 000000000..b0fb7b38b
--- /dev/null
+++ b/pstoraster/gxdevice.h
@@ -0,0 +1,453 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for device implementors */
+
+#ifndef gxdevice_INCLUDED
+#  define gxdevice_INCLUDED
+
+#include "stdio_.h"		/* for FILE */
+#include "gxdevcli.h"
+#include "gsparam.h"
+/*
+ * Drivers still use gs_malloc and gs_free, so include the interface for
+ * these.  (Eventually they should go away.)
+ */
+#include "gsmalloc.h"
+
+/* ---------------- Auxiliary types and structures ---------------- */
+
+/* Define default pages sizes. */
+/* U.S. letter paper (8.5" x 11"). */
+#define DEFAULT_WIDTH_10THS_US_LETTER 85
+#define DEFAULT_HEIGHT_10THS_US_LETTER 110
+/* A4 paper (210mm x 297mm).  The dimensions are off by a few mm.... */
+#define DEFAULT_WIDTH_10THS_A4 83
+#define DEFAULT_HEIGHT_10THS_A4 117
+/* Choose a default.  A4 may be set in the makefile. */
+#ifdef A4
+#  define DEFAULT_WIDTH_10THS DEFAULT_WIDTH_10THS_A4
+#  define DEFAULT_HEIGHT_10THS DEFAULT_HEIGHT_10THS_A4
+#else
+#  define DEFAULT_WIDTH_10THS DEFAULT_WIDTH_10THS_US_LETTER
+#  define DEFAULT_HEIGHT_10THS DEFAULT_HEIGHT_10THS_US_LETTER
+#endif
+
+/* ---------------- Device structure ---------------- */
+
+/*
+ * To insulate statically defined device templates from the
+ * consequences of changes in the device structure, the following macros
+ * must be used for generating initialized device structures.
+ *
+ * The computations of page width and height in pixels should really be
+ *      ((int)(page_width_inches*x_dpi))
+ * but some compilers (the Ultrix 3.X pcc compiler and the HPUX compiler)
+ * can't cast a computed float to an int.  That's why we specify
+ * the page width and height in inches/10 instead of inches.
+ *
+ * Note that the macro is broken up so as to be usable for devices that
+ * add further initialized state to the generic device.
+ * Note also that the macro does not initialize procs, which is
+ * the next element of the structure.
+ */
+#define std_device_part1_(devtype, ptr_procs, dev_name, stype, open_init)\
+	sizeof(devtype), ptr_procs, dev_name,\
+	0 /*memory*/, stype, { 0 } /*rc*/,\
+	open_init()		/*is_open, max_fill_band */
+/* color_info goes here */
+/*
+ * The MetroWerks compiler has some bizarre bug that produces a spurious
+ * error message if the width and/or height are defined as 0 below,
+ * unless we use the +/- workaround in the next macro.
+ */
+#define std_device_part2_(width, height, x_dpi, y_dpi)\
+	width, height,\
+	{ (((width) * 72.0 + 0.5) - 0.5) / (x_dpi),\
+	  (((height) * 72.0 + 0.5) - 0.5) / (y_dpi) },\
+	{ 0, 0, 0, 0 }, 0/*false*/, { x_dpi, y_dpi }, { x_dpi, y_dpi }
+/* offsets and margins go here */
+#define std_device_part3_()\
+	0, 0, 1, 0/*false*/, 0/*false*/,\
+	{ gx_default_install, gx_default_begin_page, gx_default_end_page }
+/*
+ * We need a number of different variants of the std_device_ macro simply
+ * because we can't pass the color_info or offsets/margins
+ * as macro arguments, which in turn is because of the early macro
+ * expansion issue noted in stdpre.h.  The basic variants are:
+ *      ...body_with_macros_, which uses 0-argument macros to supply
+ *        open_init, color_info, and offsets/margins;
+ *      ...full_body, which takes 12 values (6 for dci_values,
+ *        6 for offsets/margins);
+ *      ...color_full_body, which takes 9 values (3 for dci_color,
+ *        6 for margins/offset).
+ *      ...std_color_full_body, which takes 7 values (1 for dci_std_color,
+ *        6 for margins/offset).
+ *      
+ */
+#define std_device_body_with_macros_(dtype, pprocs, dname, stype, w, h, xdpi, ydpi, open_init, dci_macro, margins_macro)\
+	std_device_part1_(dtype, pprocs, dname, stype, open_init),\
+	dci_macro(),\
+	std_device_part2_(w, h, xdpi, ydpi),\
+	margins_macro(),\
+	std_device_part3_()
+
+#define std_device_std_body(dtype, pprocs, dname, w, h, xdpi, ydpi)\
+	std_device_body_with_macros_(dtype, pprocs, dname, 0,\
+	  w, h, xdpi, ydpi,\
+	  open_init_closed, dci_black_and_white_, no_margins_)
+
+#define std_device_std_body_type_open(dtype, pprocs, dname, stype, w, h, xdpi, ydpi)\
+	std_device_body_with_macros_(dtype, pprocs, dname, stype,\
+	  w, h, xdpi, ydpi,\
+	  open_init_open, dci_black_and_white_, no_margins_)
+
+#define std_device_std_body_open(dtype, pprocs, dname, w, h, xdpi, ydpi)\
+	std_device_std_body_type_open(dtype, pprocs, dname, 0, w, h, xdpi, ydpi)
+
+#define std_device_full_body(dtype, pprocs, dname, w, h, xdpi, ydpi, ncomp, depth, mg, mc, dg, dc, xoff, yoff, lm, bm, rm, tm)\
+	std_device_part1_(dtype, pprocs, dname, 0, open_init_closed),\
+	dci_values(ncomp, depth, mg, mc, dg, dc),\
+	std_device_part2_(w, h, xdpi, ydpi),\
+	offset_margin_values(xoff, yoff, lm, bm, rm, tm),\
+	std_device_part3_()
+
+#define std_device_dci_type_body(dtype, pprocs, dname, stype, w, h, xdpi, ydpi, ncomp, depth, mg, mc, dg, dc)\
+	std_device_part1_(dtype, pprocs, dname, stype, open_init_closed),\
+	dci_values(ncomp, depth, mg, mc, dg, dc),\
+	std_device_part2_(w, h, xdpi, ydpi),\
+	offset_margin_values(0, 0, 0, 0, 0, 0),\
+	std_device_part3_()
+
+#define std_device_dci_body(dtype, pprocs, dname, w, h, xdpi, ydpi, ncomp, depth, mg, mc, dg, dc)\
+	std_device_dci_type_body(dtype, pprocs, dname, 0,\
+	  w, h, xdpi, ydpi, ncomp, depth, mg, mc, dg, dc)
+
+#define std_device_color_full_body(dtype, pprocs, dname, w, h, xdpi, ydpi, depth, max_value, dither, xoff, yoff, lm, bm, rm, tm)\
+	std_device_part1_(dtype, pprocs, dname, 0, open_init_closed),\
+	dci_color(depth, max_value, dither),\
+	std_device_part2_(w, h, xdpi, ydpi),\
+	offset_margin_values(xoff, yoff, lm, bm, rm, tm),\
+	std_device_part3_()
+
+#define std_device_color_body(dtype, pprocs, dname, w, h, xdpi, ydpi, depth, max_value, dither)\
+	std_device_color_full_body(dtype, pprocs, dname,\
+	  w, h, xdpi, ydpi,\
+	  depth, max_value, dither,\
+	  0, 0, 0, 0, 0, 0)
+
+#define std_device_color_stype_body(dtype, pprocs, dname, stype, w, h, xdpi, ydpi, depth, max_value, dither)\
+	std_device_part1_(dtype, pprocs, dname, stype, open_init_closed),\
+	dci_color(depth, max_value, dither),\
+	std_device_part2_(w, h, xdpi, ydpi),\
+	offset_margin_values(0, 0, 0, 0, 0, 0),\
+	std_device_part3_()
+
+#define std_device_std_color_full_body(dtype, pprocs, dname, w, h, xdpi, ydpi, depth, xoff, yoff, lm, bm, rm, tm)\
+	std_device_part1_(dtype, pprocs, dname, 0, open_init_closed),\
+	dci_std_color(depth),\
+	std_device_part2_(w, h, xdpi, ydpi),\
+	offset_margin_values(xoff, yoff, lm, bm, rm, tm),\
+	std_device_part3_()
+
+/* ---------------- Default implementations ---------------- */
+
+/* Default implementations of optional procedures. */
+/* Note that the default map_xxx_color routines assume white_on_black. */
+dev_proc_open_device(gx_default_open_device);
+dev_proc_get_initial_matrix(gx_default_get_initial_matrix);
+dev_proc_get_initial_matrix(gx_upright_get_initial_matrix);
+dev_proc_sync_output(gx_default_sync_output);
+dev_proc_output_page(gx_default_output_page);
+dev_proc_close_device(gx_default_close_device);
+dev_proc_map_rgb_color(gx_default_w_b_map_rgb_color);
+dev_proc_map_color_rgb(gx_default_w_b_map_color_rgb);
+#define gx_default_map_rgb_color gx_default_w_b_map_rgb_color
+#define gx_default_map_color_rgb gx_default_w_b_map_color_rgb
+dev_proc_tile_rectangle(gx_default_tile_rectangle);
+dev_proc_copy_mono(gx_default_copy_mono);
+dev_proc_copy_color(gx_default_copy_color);
+dev_proc_draw_line(gx_default_draw_line);
+dev_proc_get_bits(gx_no_get_bits);	/* gives error */
+dev_proc_get_bits(gx_default_get_bits);
+dev_proc_get_params(gx_default_get_params);
+dev_proc_put_params(gx_default_put_params);
+dev_proc_map_cmyk_color(gx_default_map_cmyk_color);
+dev_proc_get_xfont_procs(gx_default_get_xfont_procs);
+dev_proc_get_xfont_device(gx_default_get_xfont_device);
+dev_proc_map_rgb_alpha_color(gx_default_map_rgb_alpha_color);
+dev_proc_get_page_device(gx_default_get_page_device);	/* returns NULL */
+dev_proc_get_page_device(gx_page_device_get_page_device);	/* returns dev */
+dev_proc_get_alpha_bits(gx_default_get_alpha_bits);
+dev_proc_copy_alpha(gx_no_copy_alpha);	/* gives error */
+dev_proc_copy_alpha(gx_default_copy_alpha);
+dev_proc_get_band(gx_default_get_band);
+dev_proc_copy_rop(gx_no_copy_rop);	/* gives error */
+dev_proc_copy_rop(gx_default_copy_rop);
+dev_proc_fill_path(gx_default_fill_path);
+dev_proc_stroke_path(gx_default_stroke_path);
+dev_proc_fill_mask(gx_default_fill_mask);
+dev_proc_fill_trapezoid(gx_default_fill_trapezoid);
+dev_proc_fill_parallelogram(gx_default_fill_parallelogram);
+dev_proc_fill_triangle(gx_default_fill_triangle);
+dev_proc_draw_thin_line(gx_default_draw_thin_line);
+dev_proc_begin_image(gx_default_begin_image);
+dev_proc_image_data(gx_default_image_data);
+dev_proc_end_image(gx_default_end_image);
+dev_proc_strip_tile_rectangle(gx_default_strip_tile_rectangle);
+dev_proc_strip_copy_rop(gx_no_strip_copy_rop);	/* gives error */
+dev_proc_strip_copy_rop(gx_default_strip_copy_rop);
+dev_proc_get_clipping_box(gx_default_get_clipping_box);
+dev_proc_get_clipping_box(gx_get_largest_clipping_box);
+dev_proc_begin_typed_image(gx_default_begin_typed_image);
+dev_proc_get_bits_rectangle(gx_no_get_bits_rectangle);	/* gives error */
+dev_proc_get_bits_rectangle(gx_default_get_bits_rectangle);
+dev_proc_map_color_rgb_alpha(gx_default_map_color_rgb_alpha);
+dev_proc_create_compositor(gx_no_create_compositor);
+/* default is for ordinary "leaf" devices, non_imaging is for */
+/* devices that only care about coverage and not contents. */
+dev_proc_create_compositor(gx_default_create_compositor);
+dev_proc_create_compositor(gx_non_imaging_create_compositor);
+dev_proc_get_hardware_params(gx_default_get_hardware_params);
+dev_proc_text_begin(gx_default_text_begin);
+
+/* Color mapping routines for black-on-white, gray scale, true RGB, */
+/* and true CMYK color. */
+dev_proc_map_rgb_color(gx_default_b_w_map_rgb_color);
+dev_proc_map_color_rgb(gx_default_b_w_map_color_rgb);
+dev_proc_map_rgb_color(gx_default_gray_map_rgb_color);
+dev_proc_map_color_rgb(gx_default_gray_map_color_rgb);
+dev_proc_map_rgb_color(gx_default_rgb_map_rgb_color);
+dev_proc_map_color_rgb(gx_default_rgb_map_color_rgb);
+dev_proc_map_cmyk_color(gx_default_cmyk_map_cmyk_color);
+
+/* Default implementations for forwarding devices */
+dev_proc_get_initial_matrix(gx_forward_get_initial_matrix);
+dev_proc_sync_output(gx_forward_sync_output);
+dev_proc_output_page(gx_forward_output_page);
+dev_proc_map_rgb_color(gx_forward_map_rgb_color);
+dev_proc_map_color_rgb(gx_forward_map_color_rgb);
+dev_proc_fill_rectangle(gx_forward_fill_rectangle);
+dev_proc_tile_rectangle(gx_forward_tile_rectangle);
+dev_proc_copy_mono(gx_forward_copy_mono);
+dev_proc_copy_color(gx_forward_copy_color);
+dev_proc_get_bits(gx_forward_get_bits);
+dev_proc_get_params(gx_forward_get_params);
+dev_proc_put_params(gx_forward_put_params);
+dev_proc_map_cmyk_color(gx_forward_map_cmyk_color);
+dev_proc_get_xfont_procs(gx_forward_get_xfont_procs);
+dev_proc_get_xfont_device(gx_forward_get_xfont_device);
+dev_proc_map_rgb_alpha_color(gx_forward_map_rgb_alpha_color);
+dev_proc_get_page_device(gx_forward_get_page_device);
+dev_proc_get_alpha_bits(gx_forward_get_alpha_bits);
+dev_proc_copy_alpha(gx_forward_copy_alpha);
+dev_proc_get_band(gx_forward_get_band);
+dev_proc_copy_rop(gx_forward_copy_rop);
+dev_proc_fill_path(gx_forward_fill_path);
+dev_proc_stroke_path(gx_forward_stroke_path);
+dev_proc_fill_mask(gx_forward_fill_mask);
+dev_proc_fill_trapezoid(gx_forward_fill_trapezoid);
+dev_proc_fill_parallelogram(gx_forward_fill_parallelogram);
+dev_proc_fill_triangle(gx_forward_fill_triangle);
+dev_proc_draw_thin_line(gx_forward_draw_thin_line);
+dev_proc_begin_image(gx_forward_begin_image);
+#define gx_forward_image_data gx_default_image_data
+#define gx_forward_end_image gx_default_end_image
+dev_proc_strip_tile_rectangle(gx_forward_strip_tile_rectangle);
+dev_proc_strip_copy_rop(gx_forward_strip_copy_rop);
+dev_proc_get_clipping_box(gx_forward_get_clipping_box);
+dev_proc_begin_typed_image(gx_forward_begin_typed_image);
+dev_proc_get_bits_rectangle(gx_forward_get_bits_rectangle);
+dev_proc_map_color_rgb_alpha(gx_forward_map_color_rgb_alpha);
+/* There is no forward_create_compositor (see Drivers.htm). */
+dev_proc_get_hardware_params(gx_forward_get_hardware_params);
+dev_proc_text_begin(gx_forward_text_begin);
+
+/* ---------------- Implementation utilities ---------------- */
+
+/* Fill in the GC structure descriptor for a device. */
+/* This is only called during initialization. */
+void gx_device_make_struct_type(P2(gs_memory_struct_type_t *,
+				   const gx_device *));
+
+/* Convert the device procedures to the proper form (see above). */
+void gx_device_set_procs(P1(gx_device *));
+
+/* Fill in defaulted procedures in a device procedure record. */
+void gx_device_fill_in_procs(P1(gx_device *));
+void gx_device_forward_fill_in_procs(P1(gx_device_forward *));
+
+/* Forward the color mapping procedures from a device to its target. */
+void gx_device_forward_color_procs(P1(gx_device_forward *));
+
+/*
+ * Copy device parameters back from a target.  This copies all standard
+ * parameters related to page size and resolution, plus color_info.
+ */
+void gx_device_copy_params(P2(gx_device *to, const gx_device *from));
+
+/* Open the output file for a device. */
+int gx_device_open_output_file(P5(const gx_device * dev, const char *fname,
+				  bool binary, bool positionable,
+				  FILE ** pfile));
+
+/*
+ * Determine whether a given device needs to halftone.  Eventually this
+ * should take an imager state as an additional argument.
+ */
+#define gx_device_must_halftone(dev)\
+  ((gx_device_has_color(dev) ? (dev)->color_info.max_color :\
+    (dev)->color_info.max_gray) < 31)
+#define gx_color_device_must_halftone(dev)\
+  ((dev)->color_info.max_gray < 31)
+
+/*
+ * Device procedures that draw into rectangles need to clip the coordinates
+ * to the rectangle ((0,0),(dev->width,dev->height)).  The following macros
+ * do the clipping.  They assume that the arguments of the procedure are
+ * named dev, x, y, w, and h, and may modify the arguments (other than dev).
+ *
+ * For procedures that fill a region, dev, x, y, w, and h are the only
+ * relevant arguments.  For procedures that copy bitmaps, see below.
+ *
+ * The following group of macros for region-filling procedures clips
+ * specific edges of the supplied rectangle, as indicated by the macro name.
+ */
+#define fit_fill_xy(dev, x, y, w, h)\
+  BEGIN\
+	if ( (x | y) < 0 ) {\
+	  if ( x < 0 )\
+	    w += x, x = 0;\
+	  if ( y < 0 )\
+	    h += y, y = 0;\
+	}\
+  END
+#define fit_fill_y(dev, y, h)\
+  BEGIN\
+	if ( y < 0 )\
+	  h += y, y = 0;\
+  END
+#define fit_fill_w(dev, x, w)\
+  BEGIN\
+	if ( w > dev->width - x )\
+	  w = dev->width - x;\
+  END
+#define fit_fill_h(dev, y, h)\
+  BEGIN\
+	if ( h > dev->height - y )\
+	  h = dev->height - y;\
+  END
+#define fit_fill_xywh(dev, x, y, w, h)\
+  BEGIN\
+	fit_fill_xy(dev, x, y, w, h);\
+	fit_fill_w(dev, x, w);\
+	fit_fill_h(dev, y, h);\
+  END
+/*
+ * Clip all edges, and return from the procedure if the result is empty.
+ */
+#define fit_fill(dev, x, y, w, h)\
+  BEGIN\
+	fit_fill_xywh(dev, x, y, w, h);\
+	if ( w <= 0 || h <= 0 )\
+	  return 0;\
+  END
+
+/*
+ * For driver procedures that copy bitmaps (e.g., copy_mono, copy_color),
+ * clipping the destination region also may require adjusting the pointer to
+ * the source data.  In addition to dev, x, y, w, and h, the clipping macros
+ * for these procedures reference data, data_x, raster, and id; they may
+ * modify the values of data, data_x, and id.
+ *
+ * Clip the edges indicated by the macro name.
+ */
+#define fit_copy_xyw(dev, data, data_x, raster, id, x, y, w, h)\
+  BEGIN\
+	if ( (x | y) < 0 ) {\
+	  if ( x < 0 )\
+	    w += x, data_x -= x, x = 0;\
+	  if ( y < 0 )\
+	    h += y, data -= y * raster, id = gx_no_bitmap_id, y = 0;\
+	}\
+	if ( w > dev->width - x )\
+	  w = dev->width - x;\
+  END
+/*
+ * Clip all edges, and return from the procedure if the result is empty.
+ */
+#define fit_copy(dev, data, data_x, raster, id, x, y, w, h)\
+  BEGIN\
+	fit_copy_xyw(dev, data, data_x, raster, id, x, y, w, h);\
+	if ( h > dev->height - y )\
+	  h = dev->height - y;\
+	if ( w <= 0 || h <= 0 )\
+	  return 0;\
+  END
+
+/* ---------------- Media parameters ---------------- */
+
+/* Define the InputAttributes and OutputAttributes of a device. */
+/* The device get_params procedure would call these. */
+
+typedef struct gdev_input_media_s {
+    float PageSize[4];		/* nota bene */
+    const char *MediaColor;
+    float MediaWeight;
+    const char *MediaType;
+} gdev_input_media_t;
+
+#define gdev_input_media_default_values { 0, 0, 0, 0 }, 0, 0, 0
+extern const gdev_input_media_t gdev_input_media_default;
+
+void gdev_input_media_init(P1(gdev_input_media_t * pim));
+
+int gdev_begin_input_media(P3(gs_param_list * mlist, gs_param_dict * pdict,
+			      int count));
+
+int gdev_write_input_page_size(P4(int index, gs_param_dict * pdict,
+				floatp width_points, floatp height_points));
+
+int gdev_write_input_media(P3(int index, gs_param_dict * pdict,
+			      const gdev_input_media_t * pim));
+
+int gdev_end_input_media(P2(gs_param_list * mlist, gs_param_dict * pdict));
+
+typedef struct gdev_output_media_s {
+    const char *OutputType;
+} gdev_output_media_t;
+
+#define gdev_output_media_default_values 0
+extern const gdev_output_media_t gdev_output_media_default;
+
+int gdev_begin_output_media(P3(gs_param_list * mlist, gs_param_dict * pdict,
+			       int count));
+
+int gdev_write_output_media(P3(int index, gs_param_dict * pdict,
+			       const gdev_output_media_t * pom));
+
+int gdev_end_output_media(P2(gs_param_list * mlist, gs_param_dict * pdict));
+
+#endif /* gxdevice_INCLUDED */
diff --git a/pstoraster/gxdevmem.h b/pstoraster/gxdevmem.h
new file mode 100644
index 000000000..c10d3d667
--- /dev/null
+++ b/pstoraster/gxdevmem.h
@@ -0,0 +1,170 @@
+/* Copyright (C) 1989, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h */
+
+#ifndef gxdevmem_INCLUDED
+#  define gxdevmem_INCLUDED
+
+/*
+ * A 'memory' device is essentially a stored bitmap.
+ * There are several different kinds: 1-bit black and white,
+ * 2-, 4-, and 8-bit mapped color, 16- and 24-bit RGB color,
+ * and 32-bit CMYK color.  (16-bit uses 5/6/5 bits per color.)
+ * All use the same structure, since it's so awkward to get the effect of
+ * subclasses in C.
+ *
+ * Memory devices come in two flavors: standard, which always stores bytes
+ * big-endian, and word-oriented, which stores bytes in the machine order
+ * within 32-bit "words".  The source data for copy_mono and
+ * copy_color must be in big-endian order, and since memory devices
+ * also are guaranteed to allocate the bitmap consecutively,
+ * the bitmap of a standard memory device can serve directly as input
+ * to copy_mono or copy_color operations.  This is not true of word-oriented
+ * memory devices, which are provided only in response to a request by
+ * a customer with their own image processing library that uses this format.
+ */
+#ifndef gx_device_memory_DEFINED
+#  define gx_device_memory_DEFINED
+typedef struct gx_device_memory_s gx_device_memory;
+
+#endif
+
+struct gx_device_memory_s {
+    gx_device_forward_common;	/* (see gxdevice.h) */
+    gs_matrix initial_matrix;	/* the initial transformation */
+    uint raster;		/* bytes per scan line, */
+    /* filled in by 'open' */
+    bool foreign_bits;		/* if true, bits are not in */
+    /* GC-able space */
+    byte *base;
+    byte **line_ptrs;		/* scan line pointers */
+#define scan_line_base(dev,y) ((dev)->line_ptrs[y])
+    /* If the bitmap_memory pointer is non-zero, it is used for */
+    /* allocating the bitmap when the device is opened, */
+    /* and freeing it when the device is closed. */
+    gs_memory_t *bitmap_memory;
+    /* Following is used for mapped color, */
+    /* including 1-bit devices (to specify polarity). */
+    gs_const_string palette;	/* RGB triples */
+    /* Following is only used for 24-bit color. */
+    struct _c24 {
+	gx_color_index rgb;	/* cache key */
+	bits32 rgbr, gbrg, brgb;	/* cache value */
+    } color24;
+    /* Following are only used for alpha buffers. */
+    /* The client initializes those marked with $; */
+    /* they don't change after initialization. */
+    gs_log2_scale_point log2_scale;	/* $ oversampling scale factors */
+    int log2_alpha_bits;	/* $ log2 of # of alpha bits being produced */
+    int mapped_x;		/* $ X value mapped to buffer X=0 */
+    int mapped_y;		/* lowest Y value mapped to buffer */
+    int mapped_height;		/* # of Y values mapped to buffer */
+    int mapped_start;		/* local Y value corresponding to mapped_y */
+    gx_color_index save_color;	/* last (only) color displayed */
+};
+
+extern_st(st_device_memory);
+#define public_st_device_memory() /* in gdevmem.c */\
+  gs_public_st_composite(st_device_memory, gx_device_memory,\
+    "gx_device_memory", device_memory_enum_ptrs, device_memory_reloc_ptrs)
+#define st_device_memory_max_ptrs (st_device_forward_max_ptrs + 2)
+#define mem_device_init_private\
+	{ identity_matrix_body },	/* initial matrix (filled in) */\
+	0,			/* raster (filled in) */\
+	true,			/* foreign_bits (default) */\
+	(byte *)0,		/* base (filled in) */\
+	(byte **)0,		/* line_ptrs (filled in by mem_open) */\
+	0,			/* bitmap_memory */\
+	{ (byte *)0, 0 },	/* palette (filled in for color) */\
+	{ gx_no_color_index },	/* color24 */\
+	{ 0, 0 }, 0,		/* scale, log2_alpha_bits */\
+	0, 0, 0, 0,		/* mapped_* */\
+	gx_no_color_index	/* save_color */
+
+/*
+ * Memory devices may have special setup requirements.
+ * In particular, it may not be obvious how much space to allocate
+ * for the bitmap.  Here is the routine that computes this
+ * from the width and height.
+ */
+ulong gdev_mem_data_size(P3(const gx_device_memory *, int, int));
+
+#define gdev_mem_bitmap_size(mdev)\
+  gdev_mem_data_size(mdev, (mdev)->width, (mdev)->height)
+/*
+ * Do the inverse computation: given the device width and a buffer size,
+ * compute the maximum height.
+ */
+int gdev_mem_max_height(P3(const gx_device_memory *, int, ulong));
+
+/*
+ * Compute the raster (data bytes per line) similarly.
+ */
+#define gdev_mem_raster(mdev)\
+  gx_device_raster((const gx_device *)(mdev), true)
+
+/* Determine the appropriate memory device for a given */
+/* number of bits per pixel (0 if none suitable). */
+const gx_device_memory *gdev_mem_device_for_bits(P1(int));
+
+/* Determine the word-oriented memory device for a given depth. */
+const gx_device_memory *gdev_mem_word_device_for_bits(P1(int));
+
+/* Make a memory device. */
+/* mem is 0 if the device is temporary and local, */
+/* or the allocator that was used to allocate it if it is a real object. */
+/* page_device is 1 if the device should be a page device, */
+/* 0 if it should propagate this property from its target, or */
+/* -1 if it should not be a page device. */
+void gs_make_mem_mono_device(P3(gx_device_memory * mdev, gs_memory_t * mem,
+				gx_device * target));
+void gs_make_mem_device(P5(gx_device_memory * mdev,
+			   const gx_device_memory * mdproto,
+			   gs_memory_t * mem, int page_device,
+			   gx_device * target));
+void gs_make_mem_abuf_device(P6(gx_device_memory * adev, gs_memory_t * mem,
+				gx_device * target,
+				const gs_log2_scale_point * pscale,
+				int alpha_bits, int mapped_x));
+void gs_make_mem_alpha_device(P4(gx_device_memory * adev, gs_memory_t * mem,
+				 gx_device * target, int alpha_bits));
+
+/*
+ * Open a memory device, only setting line pointers to a subset of its
+ * scan lines.  Banding devices use this (see gxclread.c).
+ */
+int gdev_mem_open_scan_lines(P2(gx_device_memory *mdev, int setup_height));
+
+/* Define whether a monobit memory device is inverted (black=1). */
+void gdev_mem_mono_set_inverted(P2(gx_device_memory * mdev, bool black_is_1));
+
+/* Test whether a device is a memory device. */
+bool gs_device_is_memory(P1(const gx_device *));
+
+/* Test whether a device is an alpha-buffering device. */
+bool gs_device_is_abuf(P1(const gx_device *));
+
+#endif /* gxdevmem_INCLUDED */
diff --git a/pstoraster/gxdevrop.h b/pstoraster/gxdevrop.h
new file mode 100644
index 000000000..037fb33f6
--- /dev/null
+++ b/pstoraster/gxdevrop.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Extension of gxdevice.h for RasterOp */
+
+#ifndef gxdevrop_INCLUDED
+#  define gxdevrop_INCLUDED
+
+/* Define an unaligned implementation of [strip_]copy_rop. */
+dev_proc_copy_rop(gx_copy_rop_unaligned);
+dev_proc_strip_copy_rop(gx_strip_copy_rop_unaligned);
+
+#endif /* gxdevrop_INCLUDED */
diff --git a/pstoraster/gxdht.h b/pstoraster/gxdht.h
new file mode 100644
index 000000000..cceda256d
--- /dev/null
+++ b/pstoraster/gxdht.h
@@ -0,0 +1,272 @@
+/* Copyright (C) 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of device halftones */
+
+#ifndef gxdht_INCLUDED
+#  define gxdht_INCLUDED
+
+#include "gsrefct.h"
+#include "gscsepnm.h"
+#include "gxarith.h"		/* for igcd */
+#include "gxhttype.h"
+
+/*
+ * We represent a halftone tile as a rectangular super-cell consisting of
+ * multiple copies of a multi-cell whose corners lie on integral
+ * coordinates, which in turn is a parallelogram (normally square) array of
+ * basic parallelogram (normally square) cells whose corners lie on rational
+ * coordinates.
+ *
+ * Let T be the aspect ratio (ratio of physical pixel height to physical
+ * pixel width), which is abs(xx/yy) for portrait devices and abs(yx/xy) for
+ * landscape devices.  We characterize the basic cell by four rational
+ * numbers U(') = M(')/R(') and V(') = N(')/R(') where R(') is positive, at
+ * least one of U and V (and the corresponding one of U' and V') is
+ * non-zero, and U' is approximately U/T and V' is approximately V*T; these
+ * numbers define the vertices of the basic cell at device space coordinates
+ * (0,0), (U,V), (U-V',U'+V), and (-V',U'); then the multi-cell is defined
+ * similarly by M(') and N(').  From these definitions, the basic cell has
+ * an area of B = U*U' + V*V' = (M*M' + N*N') / R*R' pixels, and the
+ * multi-cell has an area of C = B * R*R' = M*M' + N*N' pixels.
+ *
+ * If the coefficients of the default device transformation matrix are xx,
+ * xy, yx, and yy, then U and V are related to the frequency F and the angle
+ * A by:
+ *      P = 72 / F;
+ *      U = P * (xx * cos(A) + yx * sin(A));
+ *      V = P * (xy * cos(A) + yy * sin(A)).
+ *
+ * We can tile the plane with any rectangular super-cell that consists of
+ * repetitions of the multi-cell and whose corners coincide with multi-cell
+ * coordinates (0,0).  We observe that for any integers i, j such that i*N -
+ * j*M' = 0, a multi-cell corner lies on the X axis at W = i*M + j*N';
+ * similarly, if i'*M - j'*N' = 0, a corner lies on the Y axis at W' = i'*N
+ * + j'*M'.  Then the super-cell occupies Z = W * W' pixels, consisting of Z
+ * / C multi-cells or Z / B basic cells.  The trick in all this is to find
+ * values of F and A that aren't too far from the requested ones, and that
+ * yield a manageably small value for Z.
+ *
+ * Note that the super-cell only has to be so large because we want to use
+ * it directly to tile the plane.  In fact, we can decompose it into W' / D
+ * horizontal strips of width W and height D, shifted horizontally with
+ * respect to each other by S pixels, where we compute S by finding h and k
+ * such that h*N - k*M' = D and then S = h*M + k*N'.  The halftone setup
+ * routines only generate a single strip of samples, and let
+ * gx_ht_construct_spot_order construct the rest.  If W' is large, we
+ * actually keep only one strip, and let the strip_tile_rectangle routines
+ * do the shifting at rendering time.
+ */
+typedef struct gx_ht_cell_params_s {
+    /* Defining values.  M * M1 != 0 or N * N1 != 0; R > 0, R1 > 0. */
+    /* R and D are short rather than ushort so that we don't get */
+    /* unsigned results from arithmetic. */
+    short M, N, R;
+    short M1, N1, R1;
+    /* Derived values. */
+    ulong C;
+    short D, D1;
+    uint W, W1;
+    int S;
+} gx_ht_cell_params_t;
+
+/* Compute the derived values from the defining values. */
+void gx_compute_cell_values(P1(gx_ht_cell_params_t *));
+
+/*
+ * The whitening order is represented by a pair of arrays.
+ * The levels array contains an integer (an index into the bits array)
+ * for each distinct halftone level, indicating how many pixels should be
+ * whitened for that level; levels[0] = 0, levels[i] <= levels[i+1], and
+ * levels[num_levels-1] <= num_bits.
+ * The bits array contains an (offset,mask) pair for each pixel in the tile.
+ * bits[i].offset is the (properly aligned) byte index of a pixel
+ * in the tile; bits[i].mask is the mask to be or'ed into this byte and
+ * following ones.  This is arranged so it will work properly on
+ * either big- or little-endian machines, and with different mask widths.
+ */
+/* The mask width must be at least as wide as uint, */
+/* and must not be wider than the width implied by align_bitmap_mod. */
+typedef uint ht_mask_t;
+
+#define ht_mask_bits (sizeof(ht_mask_t) * 8)
+typedef struct gx_ht_bit_s {
+    uint offset;
+    ht_mask_t mask;
+} gx_ht_bit;
+
+/* During sampling, bits[i].mask is used to hold a normalized sample value. */
+typedef ht_mask_t ht_sample_t;
+
+/* The following awkward expression avoids integer overflow. */
+#define max_ht_sample (ht_sample_t)(((1 << (ht_mask_bits - 2)) - 1) * 2 + 1)
+
+/*
+ * Define the internal representation of a halftone order.
+ * Note that it may include a cached transfer function.
+ *
+ * Halftone orders exist in two slightly different configurations, strip and
+ * complete.  In a complete order, shift = 0 and full_height = height; in a
+ * strip order, shift != 0 and full_height is the height of a fully expanded
+ * halftone made up of enough shifted strip copies to get back to a zero
+ * shift.  In other words, full_height is a cached value, but it is an
+ * important one, since it is the modulus used for computing the
+ * tile-relative phase.  Requirements:
+ *      width > 0, height > 0, multiple > 0
+ *      raster >= bitmap_raster(width)
+ *      0 <= shift < width
+ *      num_bits = width * height
+ * For complete orders:
+ *      full_height = height
+ * For strip orders:
+ *      full_height = height * width / gcd(width, shift)
+ * Note that during the sampling of a complete spot halftone, these
+ * invariants may be violated; in particular, it is possible that shift != 0
+ * and height < full_height, even though num_bits and num_levels reflect the
+ * full height.  In this case, the invariant is restored (by resetting
+ * shift and height) when sampling is finished.  However, we must save the
+ * original height and shift values used for sampling, since sometimes we
+ * run the "finishing" routines more than once.  (This is ugly, but it's
+ * too hard to fix.)
+ *
+ * See gxbitmap.h for more details about strip halftones.
+ */
+typedef struct gx_ht_cache_s gx_ht_cache;
+
+#ifndef gx_ht_order_DEFINED
+#  define gx_ht_order_DEFINED
+typedef struct gx_ht_order_s gx_ht_order;
+
+#endif
+struct gx_ht_order_s {
+    gx_ht_cell_params_t params;	/* parameters defining the cells */
+    ushort width;
+    ushort height;
+    ushort raster;
+    ushort shift;
+    ushort orig_height;
+    ushort orig_shift;
+    uint full_height;
+    uint num_levels;		/* = levels size */
+    uint num_bits;		/* = bits size = width * height */
+    uint *levels;
+    gx_ht_bit *bits;
+    gx_ht_cache *cache;		/* cache to use */
+    gx_transfer_map *transfer;	/* TransferFunction or 0 */
+};
+
+#define ht_order_is_complete(porder)\
+  ((porder)->shift == 0)
+#define ht_order_full_height(porder)\
+  ((porder)->shift == 0 ? (porder)->height :\
+   (porder)->width / igcd((porder)->width, (porder)->shift) *\
+     (porder)->height)
+
+/* We only export st_ht_order for use in st_screen_enum. */
+extern_st(st_ht_order);
+#define public_st_ht_order()	/* in gsht.c */\
+  gs_public_st_ptrs4(st_ht_order, gx_ht_order, "gx_ht_order",\
+    ht_order_enum_ptrs, ht_order_reloc_ptrs, levels, bits, cache, transfer)
+#define st_ht_order_max_ptrs 4
+
+/*
+ * Define a device halftone.  This consists of one or more orders.
+ * If components = 0, then order is the only current halftone screen
+ * (set by setscreen, Type 1 sethalftone, Type 3 sethalftone, or
+ * Type 5 sethalftone with only a Default).  Otherwise, order is the
+ * gray or black screen (for gray/RGB or CMYK devices respectively),
+ * and components is an array of gx_ht_order_components parallel to
+ * the components of the client halftone (set by setcolorscreen or
+ * Type 5 sethalftone).
+ *
+ * Multi-component halftone orders may be required even in Level 1 systems,
+ * because they are needed for setcolorscreen.
+ *
+ * NOTE: it is assumed that all subsidiary structures of device halftones
+ * (the components array, and the bits, levels, cache, and transfer members
+ * of any gx_ht_orders, both the default order and any component orders) are
+ * allocated with the same allocator as the device halftone itself.
+ */
+typedef struct gx_ht_order_component_s {
+    gx_ht_order corder;
+    gs_ht_separation_name cname;
+} gx_ht_order_component;
+
+#define private_st_ht_order_component()	/* in gsht.c */\
+  gs_private_st_ptrs_add0(st_ht_order_component, gx_ht_order_component,\
+    "gx_ht_order_component", ht_order_component_enum_ptrs,\
+     ht_order_component_reloc_ptrs, st_ht_order, corder)
+#define st_ht_order_component_max_ptrs st_ht_order_max_ptrs
+/* We only export st_ht_order_component_element for use in banding. */
+extern_st(st_ht_order_component_element);
+#define public_st_ht_order_comp_element() /* in gsht.c */\
+  gs_public_st_element(st_ht_order_component_element, gx_ht_order_component,\
+    "gx_ht_order_component[]", ht_order_element_enum_ptrs,\
+    ht_order_element_reloc_ptrs, st_ht_order_component)
+
+#ifndef gx_device_halftone_DEFINED
+#  define gx_device_halftone_DEFINED
+typedef struct gx_device_halftone_s gx_device_halftone;
+
+#endif
+
+/*
+ * color_indices is a cache that gives the indices in components of
+ * the screens for the 1, 3, or 4 primary color(s).  These indices are
+ * always in the same order, namely:
+ *      -,-,-,W(gray)
+ *      R,G,B,-
+ *      C,M,Y,K
+ */
+struct gx_device_halftone_s {
+    gx_ht_order order;		/* must be first, for subclassing */
+    rc_header rc;
+    gs_id id;			/* the id changes whenever the data change */
+    /*
+     * We have to keep the halftone type so that we can pass it
+     * through the band list for gx_imager_dev_ht_install.
+     */
+    gs_halftone_type type;
+    gx_ht_order_component *components;
+    uint num_comp;
+    /* The following are computed from the above. */
+    uint color_indices[4];
+    int lcm_width, lcm_height;	/* LCM of primary color tile sizes, */
+    /* max_int if overflowed */
+};
+
+extern_st(st_device_halftone);
+#define public_st_device_halftone() /* in gsht.c */\
+  gs_public_st_ptrs_add1(st_device_halftone, gx_device_halftone,\
+    "gx_device_halftone", device_halftone_enum_ptrs,\
+    device_halftone_reloc_ptrs, st_ht_order, order, components)
+#define st_device_halftone_max_ptrs (st_ht_order_max_ptrs + 1)
+
+/* Release a gx_device_halftone by freeing its components. */
+/* (Don't free the gx_device_halftone itself.) */
+void gx_device_halftone_release(P2(gx_device_halftone * pdht,
+				   gs_memory_t * mem));
+
+#endif /* gxdht_INCLUDED */
diff --git a/pstoraster/gxdither.c b/pstoraster/gxdither.c
new file mode 100644
index 000000000..b76b4fae1
--- /dev/null
+++ b/pstoraster/gxdither.c
@@ -0,0 +1,502 @@
+/* Copyright (C) 1989, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+#include "gx.h"
+#include "gsstruct.h"
+#include "gsdcolor.h"
+#include "gxdevice.h"
+#include "gxlum.h"
+#include "gxcmap.h"
+#include "gxdither.h"
+#include "gzht.h"
+
+/*
+ * The procedures in this file use halftoning (if necessary)
+ * to implement a given device color that has already gone through
+ * the transfer function.  There are two major cases: gray and color.
+ * Gray halftoning always uses a binary screen.  Color halftoning
+ * uses either a fast algorithm with a binary screen that produces
+ * relatively poor approximations, or a very slow algorithm with a
+ * general colored screen (or screens) that faithfully implements
+ * the Adobe specifications.
+ */
+
+/* Tables for fast computation of fractional color levels. */
+/* We have to put the table before any uses of it because of a bug */
+/* in the VAX C compiler. */
+/* We have to split up the definition of the table itself because of a bug */
+/*  in the IBM AIX 3.2 C compiler. */
+private const gx_color_value
+      q0[] =
+{0};
+private const gx_color_value
+      q1[] =
+{0, frac_color_(1, 1)};
+private const gx_color_value
+      q2[] =
+{0, frac_color_(1, 2), frac_color_(2, 2)};
+private const gx_color_value
+      q3[] =
+{0, frac_color_(1, 3), frac_color_(2, 3), frac_color_(3, 3)};
+private const gx_color_value
+      q4[] =
+{0, frac_color_(1, 4), frac_color_(2, 4), frac_color_(3, 4), frac_color_(4, 4)};
+private const gx_color_value
+      q5[] =
+{0, frac_color_(1, 5), frac_color_(2, 5), frac_color_(3, 5), frac_color_(4, 5), frac_color_(5, 5)};
+private const gx_color_value
+      q6[] =
+{0, frac_color_(1, 6), frac_color_(2, 6), frac_color_(3, 6), frac_color_(4, 6), frac_color_(5, 6), frac_color_(6, 6)};
+private const gx_color_value
+      q7[] =
+{0, frac_color_(1, 7), frac_color_(2, 7), frac_color_(3, 7), frac_color_(4, 7), frac_color_(5, 7), frac_color_(6, 7), frac_color_(7, 7)};
+
+/* We export fc_color_quo for the fractional_color macro in gzht.h. */
+const gx_color_value *const fc_color_quo[8] =
+{q0, q1, q2, q3, q4, q5, q6, q7};
+
+/* Render a gray, possibly by halftoning. */
+int
+gx_render_device_gray(frac gray, gx_color_value alpha, gx_device_color * pdevc,
+		      gx_device * dev, const gx_device_halftone * pdht,
+		      const gs_int_point * ht_phase)
+{
+    bool cmyk = dev->color_info.num_components == 4;
+
+/* Make a special check for black and white. */
+    if (alpha == gx_max_color_value) {
+	gx_color_value lum;
+
+	switch (gray) {
+	    case frac_0:
+		lum = 0;
+		goto bw;
+	    case frac_1:
+		lum = gx_max_color_value;
+	      bw:color_set_pure(pdevc,
+			       (cmyk ?
+				gx_map_cmyk_color(dev, 0, 0, 0,
+						  gx_max_color_value - lum) :
+				gx_map_rgb_color(dev, lum, lum, lum)));
+		return 0;
+	    default:
+		;
+	}
+    }
+/* get a few handy values */
+    {
+	uint max_value = dev->color_info.dither_grays - 1;
+	unsigned long hsize = (unsigned)pdht->order.num_levels;
+	unsigned long nshades = hsize * max_value + 1;
+	unsigned long lx = (nshades * gray) / (frac_1_long + 1);
+	uint v = lx / hsize;
+	gx_color_value lum = fractional_color(v, max_value);
+	gx_color_index color1;
+	int level = lx % hsize;
+
+	/* The following should be a conditional expression, */
+	/* but the DECStation 3100 Ultrix 4.3 compiler */
+	/* generates bad code for it. */
+#define set_color_lum(col, lum)\
+  if ( cmyk )\
+    col = gx_map_cmyk_color(dev, 0, 0, 0,\
+			       gx_max_color_value - lum);\
+  else if ( alpha == gx_max_color_value )\
+    col = gx_map_rgb_color(dev, lum, lum, lum);\
+  else\
+    col = gx_map_rgb_alpha_color(dev, lum, lum, lum, alpha)
+	set_color_lum(color1, lum);
+	if_debug5('c', "[c]gray=0x%x --> (%d+%d/%lu)/%d\n",
+		  (unsigned)gray, v, level, hsize, max_value + 1);
+	if (level == 0) {	/* Close enough to a pure color, */
+	    /* no dithering needed. */
+	    color_set_pure(pdevc, color1);
+	    return 0;
+	} else {
+	    gx_color_index color2;
+
+	    v++;
+	    lum = fractional_color(v, max_value);
+	    set_color_lum(color2, lum);
+	    color_set_binary_halftone(pdevc, pdht,
+				      color1, color2, level);
+	    color_set_phase_mod(pdevc, ht_phase->x, ht_phase->y,
+				pdht->order.width,
+				pdht->order.full_height);
+	    return 1;
+	}
+    }
+}
+
+/* 
+ *    Color dithering for Ghostscript.  The underlying device imaging model
+ *      supports dithering between two colors to generate intermediate shades.
+ *      
+ *      If the device has high quality colors (at least 32 values
+ *      per axis), we ask it to map the color directly.
+ *
+ *      Otherwise, things are a bit more complicated.  If the device 
+ *      supports N shades of each R, G and B independently, there are a total 
+ *      of N*N*N colors.  These colors form a 3-D grid in a cubical color 
+ *      space.  The following dithering technique works by locating the 
+ *      color we want in this 3-D color grid and finding the eight colors 
+ *      that surround it.  In the case of dithering into 8 colors with 1 
+ *      bit for each red, green and blue, these eight colors will always 
+ *      be the same.
+ *
+ *      Now we consider all possible diagonal paths between the eight colors
+ *      and chose the path that runs closest to our desired color in 3-D
+ *      color space.  There are 28 such paths.  Then we find the position
+ *      on the path that is closest to our color.
+ *
+ *      The search is made faster by always reflecting our color into
+ *      the bottom octant of the cube and comparing it to 7 paths.
+ *      After the best path and the best position on that path are found,
+ *      the results are reflected back into the original color space.
+ *
+ *      NOTE: This code has been tested for B/W and Color imaging with
+ *      1, 2, 3 and 8 bits per component.
+ *
+ *      --- original code by Paul Haeberli @ Silicon Graphics - 1990
+ *      --- extensively revised by L. Peter Deutsch, Aladdin Enterprises
+ *
+ *      lpd 3/14/94: added support for CMYK.
+ */
+
+/*
+ * The weights are arbitrary, as long as their ratios are correct
+ * and they will fit into the difference between a ulong and a frac
+ * with room to spare.  By making WEIGHT1 and WEIGHT4 powers of 2,
+ * we can turn some multiplies into shifts.
+ */
+#define WNUM 128000
+#define	WEIGHT1		(ulong)(WNUM/1000)	/* 1.0                    */
+#define	WEIGHT2		(ulong)(WNUM/1414)	/* 1/sqrt(2.0)            */
+#define	WEIGHT3		(ulong)(WNUM/1732)	/* 1/sqrt(3.0)            */
+#define WEIGHT4		(ulong)(WNUM/2000)	/* 1/sqrt(4.0)            */
+
+#define	DIAG_R		(0x1)
+#define	DIAG_G		(0x2)
+#define	DIAG_B		(0x4)
+#define DIAG_W		(0x8)
+#define	DIAG_RG		(0x3)
+#define	DIAG_GB		(0x6)
+#define	DIAG_BR		(0x5)
+#define	DIAG_RGB	(0x7)
+#define DIAG_RGBW	(0xf)
+
+/* What should we do about the W/K component?  For the moment, */
+/* we ignore it in the luminance computation. */
+#define lum_white_weight 0
+private const unsigned short lum_w[16] =
+{
+    (0 * lum_blue_weight + 0 * lum_green_weight + 0 * lum_red_weight + 0 * lum_white_weight),
+    (0 * lum_blue_weight + 0 * lum_green_weight + 1 * lum_red_weight + 0 * lum_white_weight),
+    (0 * lum_blue_weight + 1 * lum_green_weight + 0 * lum_red_weight + 0 * lum_white_weight),
+    (0 * lum_blue_weight + 1 * lum_green_weight + 1 * lum_red_weight + 0 * lum_white_weight),
+    (1 * lum_blue_weight + 0 * lum_green_weight + 0 * lum_red_weight + 0 * lum_white_weight),
+    (1 * lum_blue_weight + 0 * lum_green_weight + 1 * lum_red_weight + 0 * lum_white_weight),
+    (1 * lum_blue_weight + 1 * lum_green_weight + 0 * lum_red_weight + 0 * lum_white_weight),
+    (1 * lum_blue_weight + 1 * lum_green_weight + 1 * lum_red_weight + 0 * lum_white_weight),
+    (0 * lum_blue_weight + 0 * lum_green_weight + 0 * lum_red_weight + 1 * lum_white_weight),
+    (0 * lum_blue_weight + 0 * lum_green_weight + 1 * lum_red_weight + 1 * lum_white_weight),
+    (0 * lum_blue_weight + 1 * lum_green_weight + 0 * lum_red_weight + 1 * lum_white_weight),
+    (0 * lum_blue_weight + 1 * lum_green_weight + 1 * lum_red_weight + 1 * lum_white_weight),
+    (1 * lum_blue_weight + 0 * lum_green_weight + 0 * lum_red_weight + 1 * lum_white_weight),
+    (1 * lum_blue_weight + 0 * lum_green_weight + 1 * lum_red_weight + 1 * lum_white_weight),
+    (1 * lum_blue_weight + 1 * lum_green_weight + 0 * lum_red_weight + 1 * lum_white_weight),
+    (1 * lum_blue_weight + 1 * lum_green_weight + 1 * lum_red_weight + 1 * lum_white_weight)
+};
+
+/* Render RGB or CMYK, possibly by halftoning. */
+/* If we are rendering RGB, white is ignored. */
+/* If we are rendering CMYK, red/green/blue/white are actually */
+/* cyan/magenta/yellow/black. */
+int
+gx_render_device_color(frac red, frac green, frac blue, frac white, bool cmyk,
+	     gx_color_value alpha, gx_device_color * pdevc, gx_device * dev,
+	     const gx_device_halftone * pdht, const gs_int_point * ht_phase)
+{
+    uint max_value = dev->color_info.dither_colors - 1;
+    uint num_levels = pdht->order.num_levels;
+    frac rem_r, rem_g, rem_b, rem_w;
+    uint r, g, b, w;
+    gx_color_value vr, vg, vb, vw;
+
+#define map_color_rgb()\
+  (alpha == gx_max_color_value ?\
+   gx_map_rgb_color(dev, vr, vg, vb) :\
+   gx_map_rgb_alpha_color(dev, vr, vg, vb, alpha))
+#define map_color_cmyk()\
+  gx_map_cmyk_color(dev, vr, vg, vb, vw)
+#define map_color()\
+  (cmyk ? map_color_cmyk() : map_color_rgb())
+
+    /* Compute the quotient and remainder of each color component */
+    /* with the actual number of available colors. */
+    switch (max_value) {
+	case 1:		/* 8 or 16 colors */
+	    if (red == frac_1)
+		rem_r = 0, r = 1;
+	    else
+		rem_r = red, r = 0;
+	    if (green == frac_1)
+		rem_g = 0, g = 1;
+	    else
+		rem_g = green, g = 0;
+	    if (blue == frac_1)
+		rem_b = 0, b = 1;
+	    else
+		rem_b = blue, b = 0;
+	    if (white == frac_1)
+		rem_w = 0, w = 1;
+	    else
+		rem_w = white, w = 0;
+	    break;
+	default:
+	    {
+		ulong want_r, want_g, want_b, want_w;
+		want_r = (ulong) max_value *red;
+
+		r = frac_1_quo(want_r);
+		rem_r = frac_1_rem(want_r, r);
+		want_g = (ulong) max_value *green;
+
+		g = frac_1_quo(want_g);
+		rem_g = frac_1_rem(want_g, g);
+		want_b = (ulong) max_value *blue;
+
+		b = frac_1_quo(want_b);
+		rem_b = frac_1_rem(want_b, b);
+		want_w = (ulong) max_value *white;
+
+		w = frac_1_quo(want_w);
+		rem_w = frac_1_rem(want_w, w);
+	    }
+    }
+
+    /* Check for no dithering required */
+    if (!(rem_r | rem_g | rem_b | rem_w)) {
+	vr = fractional_color(r, max_value);
+	vg = fractional_color(g, max_value);
+	vb = fractional_color(b, max_value);
+	vw = fractional_color(w, max_value);
+	color_set_pure(pdevc, map_color());
+	return 0;
+    }
+    if_debug12('c', "[c]rgbw=0x%x,0x%x,0x%x,0x%x -->\n   %x+0x%x,%x+0x%x,%x+0x%x,%x+0x%x -->\n",
+	    (unsigned)red, (unsigned)green, (unsigned)blue, (unsigned)white,
+	       (unsigned)r, (unsigned)rem_r, (unsigned)g, (unsigned)rem_g,
+	       (unsigned)b, (unsigned)rem_b, (unsigned)w, (unsigned)rem_w);
+
+    /* Dithering is required.  Choose between two algorithms. */
+
+    if (pdht->components != 0 && dev->color_info.depth >= 4) {	/* Someone went to the trouble of setting different */
+	/* screens for the different components. */
+	/* Use the slow, general colored halftone algorithm. */
+#define rgb_rem(rem_v, i)\
+  (rem_v * (ulong)(pdht->components[pdht->color_indices[i]].corder.num_levels) / frac_1)
+	uint lr = rgb_rem(rem_r, 0), lg = rgb_rem(rem_g, 1), lb = rgb_rem(rem_b, 2);
+
+	if (cmyk)
+	    color_set_cmyk_halftone(pdevc, pdht, r, lr, g, lg, b, lb,
+				    w, rgb_rem(rem_w, 3));
+	else
+	    color_set_rgb_halftone(pdevc, pdht, r, lr, g, lg, b, lb, alpha);
+	color_set_phase_mod(pdevc, ht_phase->x, ht_phase->y,
+			    pdht->lcm_width, pdht->lcm_height);
+#undef rgb_rem
+	return 1;
+    }
+    /* Fast, approximate binary halftone algorithm. */
+
+    {
+	ulong hsize = num_levels;
+	int adjust_r, adjust_b, adjust_g, adjust_w;
+	gx_color_index color1;
+	frac amax, amin;
+	ulong fmax, cmax;
+	int axisc, facec, cubec, diagc;
+	unsigned short lum_invert;
+	ulong dot1, dot2, dot3, dot4;
+	int level;
+	int code;
+
+/* Flip the remainder color into the 0, 0, 0 octant. */
+	lum_invert = 0;
+#define half (frac_1/2)
+	if (rem_r > half)
+	    rem_r = frac_1 - rem_r,
+		adjust_r = -1, r++, lum_invert += lum_red_weight * 2;
+	else
+	    adjust_r = 1;
+	if (rem_g > half)
+	    rem_g = frac_1 - rem_g,
+		adjust_g = -1, g++, lum_invert += lum_green_weight * 2;
+	else
+	    adjust_g = 1;
+	if (rem_b > half)
+	    rem_b = frac_1 - rem_b,
+		adjust_b = -1, b++, lum_invert += lum_blue_weight * 2;
+	else
+	    adjust_b = 1;
+	vr = fractional_color(r, max_value);
+	vg = fractional_color(g, max_value);
+	vb = fractional_color(b, max_value);
+	if (cmyk) {
+	    if (rem_w > half)
+		rem_w = frac_1 - rem_w,
+		    adjust_w = -1, b++, lum_invert += lum_white_weight * 2;
+	    else
+		adjust_w = 1;
+	    vw = fractional_color(w, max_value);
+	    color1 = map_color_cmyk();
+	} else
+	    color1 = map_color_rgb();
+
+/* 
+ * Dot the color with each axis to find the best one of 15;
+ * find the color at the end of the axis chosen.
+ */
+	cmax = (ulong) rem_r + rem_g + rem_b;
+	dot4 = cmax + rem_w;
+	if (rem_g > rem_r) {
+	    if (rem_b > rem_g)
+		amax = rem_b, axisc = DIAG_B;
+	    else
+		amax = rem_g, axisc = DIAG_G;
+	    if (rem_b > rem_r)
+		amin = rem_r, fmax = (ulong) rem_g + rem_b, facec = DIAG_GB;
+	    else
+		amin = rem_b, fmax = (ulong) rem_r + rem_g, facec = DIAG_RG;
+	} else {
+	    if (rem_b > rem_r)
+		amax = rem_b, axisc = DIAG_B;
+	    else
+		amax = rem_r, axisc = DIAG_R;
+	    if (rem_b > rem_g)
+		amin = rem_g, fmax = (ulong) rem_b + rem_r, facec = DIAG_BR;
+	    else
+		amin = rem_b, fmax = (ulong) rem_r + rem_g, facec = DIAG_RG;
+	}
+	if (rem_w > amin) {
+	    cmax = fmax + rem_w, cubec = facec + DIAG_W;
+	    if (rem_w > amax)
+		fmax = (ulong) amax + rem_w, facec = axisc + DIAG_W,
+		    amax = rem_w, axisc = DIAG_W;
+	    else if (rem_w > fmax - amax)
+		fmax = (ulong) amax + rem_w, facec = axisc + DIAG_W;
+	} else
+	    cubec = DIAG_RGB;
+
+	dot1 = amax * WEIGHT1;
+	dot2 = fmax * WEIGHT2;
+	dot3 = cmax * WEIGHT3;
+	/*dot4 see above */
+#define use_axis()\
+  diagc = axisc, level = (hsize * amax + (frac_1_long / 2)) / frac_1_long
+#define use_face()\
+  diagc = facec, level = (hsize * fmax + frac_1_long) / (2 * frac_1_long)
+#define use_cube()\
+  diagc = cubec, level = (hsize * cmax + (3 * frac_1_long / 2)) / (3 * frac_1_long)
+#define use_tesseract()\
+  diagc = DIAG_RGBW, level = (hsize * dot4 + (2 * frac_1_long)) / (4 * frac_1_long)
+	if (dot1 > dot2) {
+	    if (dot3 > dot1) {
+		if (dot4 * WEIGHT4 > dot3)
+		    use_tesseract();
+		else
+		    use_cube();
+	    } else {
+		if (dot4 * WEIGHT4 > dot1)
+		    use_tesseract();
+		else
+		    use_axis();
+	    }
+	} else {
+	    if (dot3 > dot2) {
+		if (dot4 * WEIGHT4 > dot3)
+		    use_tesseract();
+		else
+		    use_cube();
+	    } else {
+		if (dot4 * WEIGHT4 > dot2)
+		    use_tesseract();
+		else
+		    use_face();
+	    }
+	};
+
+	if_debug12('c', "   %x+0x%x,%x+0x%x,%x+0x%x,%x+0x%x; adjust=%d,%d,%d,%d\n",
+		 (unsigned)r, (unsigned)rem_r, (unsigned)g, (unsigned)rem_g,
+		 (unsigned)b, (unsigned)rem_b, (unsigned)w, (unsigned)rem_w,
+		   adjust_r, adjust_g, adjust_b, adjust_w);
+
+	if (level == 0) {
+	    color_set_pure(pdevc, color1);
+	    code = 0;
+	} else {
+	    gx_color_index color2;
+
+/* construct the second color, inverting back to original space if needed */
+	    if (diagc & DIAG_R)
+		r += adjust_r;
+	    if (diagc & DIAG_G)
+		g += adjust_g;
+	    if (diagc & DIAG_B)
+		b += adjust_b;
+/* get the second device color, sorting by luminance */
+	    vr = fractional_color(r, max_value);
+	    vg = fractional_color(g, max_value);
+	    vb = fractional_color(b, max_value);
+	    if (cmyk) {
+		if (diagc & DIAG_W)
+		    w += adjust_w;
+		vw = fractional_color(w, max_value);
+		color2 = map_color_cmyk();
+	    } else
+		color2 = map_color_rgb();
+	    if (level == num_levels) {	/* This can only happen through rounding.... */
+		color_set_pure(pdevc, color2);
+		code = 0;
+	    } else {
+		if (lum_w[diagc] < lum_invert)
+		    color_set_binary_halftone(pdevc, pdht, color2, color1, hsize - level);
+		else
+		    color_set_binary_halftone(pdevc, pdht, color1, color2, level);
+		color_set_phase_mod(pdevc, ht_phase->x, ht_phase->y,
+				    pdht->order.width,
+				    pdht->order.full_height);
+		code = 1;
+	    }
+	}
+
+	if_debug7('c', "[c]diagc=%d; colors=0x%lx,0x%lx; level=%d/%d; lum=%d,diag=%d\n",
+		  diagc, (ulong) pdevc->colors.binary.color[0],
+		  (ulong) pdevc->colors.binary.color[1],
+		  level, (unsigned)hsize, lum_invert, lum_w[diagc]);
+	return code;
+    }
+}
diff --git a/pstoraster/gxdither.h b/pstoraster/gxdither.h
new file mode 100644
index 000000000..803333f32
--- /dev/null
+++ b/pstoraster/gxdither.h
@@ -0,0 +1,76 @@
+/* Copyright (C) 1994, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to gxdither.c */
+
+#ifndef gxdither_INCLUDED
+#  define gxdither_INCLUDED
+
+#ifndef gx_device_halftone_DEFINED
+#  define gx_device_halftone_DEFINED
+typedef struct gx_device_halftone_s gx_device_halftone;
+
+#endif
+
+/*
+ * Note that in the procedures below, the colors are specified by fracs,
+ * but the alpha value is a gx_color_value.  This is a design flaw that
+ * we might be able to fix eventually.
+ */
+
+/* Render a gray, possibly by halftoning. */
+/* Return 0 if complete, 1 if caller must do gx_color_load, <0 on error. */
+int gx_render_device_gray(P6(frac gray, gx_color_value alpha,
+			     gx_device_color * pdevc, gx_device * dev,
+			     const gx_device_halftone * dev_ht,
+			     const gs_int_point * ht_phase));
+
+#define gx_render_gray_alpha(gray, alpha, pdevc, pis, dev, select)\
+  gx_render_device_gray(gray, alpha, pdevc, dev, pis->dev_ht,\
+			&pis->screen_phase[select])
+#define gx_render_gray(gray, pdevc, pis, dev, select)\
+  gx_render_gray_alpha(gray, pis->alpha, pdevc, pis, dev, select)
+
+/* Render a color, possibly by halftoning. */
+/* Return as for gx_render_[device_]gray. */
+int gx_render_device_color(P10(frac red, frac green, frac blue, frac white,
+			       bool cmyk, gx_color_value alpha,
+			       gx_device_color * pdevc, gx_device * dev,
+			       const gx_device_halftone * pdht,
+			       const gs_int_point * ht_phase));
+
+#define gx_render_color_alpha(r, g, b, w, a, cmyk, pdevc, pis, dev, select)\
+  gx_render_device_color(r, g, b, w, cmyk, a, pdevc, dev,\
+			 pis->dev_ht, &pis->screen_phase[select])
+#define gx_render_color(r, g, b, w, cmyk, pdevc, pis, dev, select)\
+  gx_render_color_alpha(r, g, b, w, pis->alpha, cmyk, pdevc, pis, dev, select)
+#define gx_render_rgb(r, g, b, pdevc, pis, dev, select)\
+  gx_render_color(r, g, b, frac_0, false, pdevc, pis, dev, select)
+#define gx_render_cmyk(c, m, y, k, pdevc, pis, dev, select)\
+  gx_render_color(c, m, y, k, true, pdevc, pis, dev, select)
+#define gx_render_rgb_alpha(r, g, b, a, pdevc, pis, dev, select)\
+  gx_render_color_alpha(r, g, b, frac_0, a, false, pdevc, pis, dev, select)
+
+#endif /* gxdither_INCLUDED */
diff --git a/pstoraster/gxfarith.h b/pstoraster/gxfarith.h
new file mode 100644
index 000000000..002d0187a
--- /dev/null
+++ b/pstoraster/gxfarith.h
@@ -0,0 +1,144 @@
+/* Copyright (C) 1993, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Floating point arithmetic macros for Ghostscript library */
+
+#ifndef gxfarith_INCLUDED
+#  define gxfarith_INCLUDED
+
+#include "gconfigv.h"		/* for USE_FPU */
+#include "gxarith.h"
+
+/*
+ * The following macros replace the ones in gxarith.h on machines
+ * that are likely to have very slow floating point.
+ *
+ * None of these macros would be necessary if compilers had a clue
+ * about generating good floating point comparisons on machines with
+ * slow (or no) floating point hardware.
+ */
+
+# if USE_FPU <= 0 && arch_floats_are_IEEE && (arch_sizeof_float == arch_sizeof_int || arch_sizeof_float == arch_sizeof_long)
+
+#  if arch_sizeof_float == arch_sizeof_int
+typedef int _f_int_t;
+typedef uint _f_uint_t;
+
+#  else				/* arch_sizeof_float == arch_sizeof_long */
+typedef long _f_int_t;
+typedef ulong _f_uint_t;
+
+#  endif
+#  define _f_as_int(f) *(_f_int_t *)(&(f))
+#  define _f_as_uint(f) *(_f_uint_t *)(&(f))
+
+#  if arch_sizeof_double == arch_sizeof_int
+#    define _d_int_t int
+#  else
+#   if arch_sizeof_double == arch_sizeof_long
+#    define _d_int_t long
+#   endif
+#  endif
+#  define _d_uint_t unsigned _d_int_t
+#  define _d_as_int(f) *(_d_int_t *)(&(d))
+#  define _d_as_uint(f) *(_d_uint_t *)(&(d))
+
+#  define _ftest(v,f,n)\
+     (sizeof(v)==sizeof(float)?(f):(n))
+#  ifdef _d_int_t
+#    define _fdtest(v,f,d,n)\
+	(sizeof(v)==sizeof(float)?(f):sizeof(v)==sizeof(double)?(d):(n))
+#  else
+#    define _fdtest(v,f,d,n)\
+	_ftest(v,f,n)
+#  endif
+
+#  undef is_fzero
+#  define is_fzero(f)	/* must handle both +0 and -0 */\
+     _fdtest(f, (_f_as_int(f) << 1) == 0, (_d_as_int(f) << 1) == 0,\
+       (f) == 0.0)
+
+#  undef is_fzero2
+#  define is_fzero2(f1,f2)\
+     (sizeof(f1) == sizeof(float) && sizeof(f2) == sizeof(float) ?\
+      ((_f_as_int(f1) | _f_as_int(f2)) << 1) == 0 :\
+      (f1) == 0.0 && (f2) == 0.0)
+
+#  undef is_fneg
+#  if arch_is_big_endian
+#    define _is_fnegb(f) (*(byte *)&(f) >= 0x80)
+#  else
+#    define _is_fnegb(f) (((byte *)&(f))[sizeof(f) - 1] >= 0x80)
+#  endif
+#  if arch_sizeof_float == arch_sizeof_int
+#    define is_fneg(f)\
+       (sizeof(f) == sizeof(float) ? _f_as_int(f) < 0 :\
+	_is_fnegb(f))
+#  else
+#    define is_fneg(f) _is_fnegb(f)
+#  endif
+
+#  define IEEE_expt 0x7f800000	/* IEEE exponent mask */
+#  define IEEE_f1 0x3f800000	/* IEEE 1.0 */
+
+#  undef is_fge1
+#  if arch_sizeof_float == arch_sizeof_int
+#    define is_fge1(f)\
+       (sizeof(f) == sizeof(float) ?\
+	(_f_as_int(f)) >= IEEE_f1 :\
+	(f) >= 1.0)
+#  else				/* arch_sizeof_float == arch_sizeof_long */
+#    define is_fge1(f)\
+       (sizeof(f) == sizeof(float) ?\
+	(int)(_f_as_int(f) >> 16) >= (IEEE_f1 >> 16) :\
+	(f) >= 1.0)
+#  endif
+
+#  undef f_fits_in_ubits
+#  undef f_fits_in_bits
+#  define _f_bits(n) (4.0 * (1L << ((n) - 2)))
+#  define f_fits_in_ubits(f, n)\
+	_ftest(f, _f_as_uint(f) < (_f_uint_t)IEEE_f1 + ((_f_uint_t)(n) << 23),\
+	  (f) >= 0 && (f) < _f_bits(n))
+#  define f_fits_in_bits(f, n)\
+	_ftest(f, (_f_as_uint(f) & IEEE_expt) < IEEE_f1 + ((_f_uint_t)((n)-1) << 23),\
+	  (f) >= -_f_bits((n)-1) && (f) < _f_bits((n)-1))
+
+# endif				/* USE_FPU <= 0 & ... */
+
+/*
+ * Define sine and cosine functions that take angles in degrees rather than
+ * radians, hit exact values at multiples of 90 degrees, and are implemented
+ * efficiently on machines with slow (or no) floating point.
+ */
+double gs_sin_degrees(P1(double angle));
+double gs_cos_degrees(P1(double angle));
+typedef struct gs_sincos_s {
+    double sin, cos;
+    bool orthogonal;		/* angle is multiple of 90 degrees */
+} gs_sincos_t;
+void gs_sincos_degrees(P2(double angle, gs_sincos_t * psincos));
+
+#endif /* gxfarith_INCLUDED */
diff --git a/pstoraster/gxfcache.h b/pstoraster/gxfcache.h
new file mode 100644
index 000000000..93dbf657d
--- /dev/null
+++ b/pstoraster/gxfcache.h
@@ -0,0 +1,270 @@
+/* Copyright (C) 1992, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsfont.h */
+
+#ifndef gxfcache_INCLUDED
+#  define gxfcache_INCLUDED
+
+#include "gsuid.h"
+#include "gsxfont.h"
+#include "gxbcache.h"
+#include "gxftype.h"
+
+/* ------ Font/matrix pair cache entry ------ */
+
+#ifndef cached_fm_pair_DEFINED
+#  define cached_fm_pair_DEFINED
+typedef struct cached_fm_pair_s cached_fm_pair;
+
+#endif
+
+/*
+ * Define the entry for a cached (font,matrix) pair.  If the UID
+ * is valid, the font pointer may be 0, since we keep entries even for
+ * fonts unloaded by a restore if they have valid UIDs; in this case,
+ * we also need the FontType as part of the key.
+ * Note that because of the dependency on StrokeWidth, we can't cache
+ * fonts with non-zero PaintType.
+ * We can't use the address of the pair for the hash value,
+ * since the GC may move pairs in storage, so we create a hash
+ * when we allocate the pair initially.
+ */
+struct cached_fm_pair_s {
+    gs_font *font;		/* base font */
+    gs_uid UID;			/* font UniqueID or XUID */
+    font_type FontType;		/* (part of key if UID is valid) */
+    uint hash;			/* hash for this pair */
+    float mxx, mxy, myx, myy;	/* transformation */
+    int num_chars;		/* # of cached chars with this */
+    /* f/m pair */
+    bool xfont_tried;		/* true if we looked up an xfont */
+    gx_xfont *xfont;		/* the xfont (if any) */
+    gs_memory_t *memory;	/* the allocator for the xfont */
+    uint index;			/* index of this pair in mdata */
+};
+
+#define private_st_cached_fm_pair() /* in gxccman.c */\
+  gs_private_st_ptrs3(st_cached_fm_pair, cached_fm_pair,\
+    "cached_fm_pair", fm_pair_enum_ptrs, fm_pair_reloc_ptrs,\
+    font, UID.xvalues, xfont)
+#define private_st_cached_fm_pair_elt()	/* in gxccman.c */\
+  gs_private_st_element(st_cached_fm_pair_element, cached_fm_pair,\
+    "cached_fm_pair[]", fm_pair_element_enum_ptrs, fm_pair_element_reloc_ptrs,\
+    st_cached_fm_pair)
+/* If font == 0 and UID is invalid, this is a free entry. */
+#define fm_pair_is_free(pair)\
+  ((pair)->font == 0 && !uid_is_valid(&(pair)->UID))
+#define fm_pair_set_free(pair)\
+  ((pair)->font = 0, uid_set_invalid(&(pair)->UID))
+#define fm_pair_init(pair)\
+  (fm_pair_set_free(pair), (pair)->xfont_tried = false, (pair)->xfont = 0)
+
+/* The font/matrix pair cache itself. */
+typedef struct fm_pair_cache_s {
+    uint msize, mmax;		/* # of cached font/matrix pairs */
+    cached_fm_pair *mdata;
+    uint mnext;			/* rover for allocating font/matrix pairs */
+} fm_pair_cache;
+
+/* ------ Character cache entry ------- */
+
+/* Define the allocation chunk type. */
+typedef gx_bits_cache_chunk char_cache_chunk;
+
+/*
+ * This is a subclass of the entry in a general bitmap cache.
+ * The character cache contains both used and free blocks.
+ * All blocks have a common header; free blocks have ONLY the header.
+ */
+typedef gx_cached_bits_head cached_char_head;
+
+#define cc_head_is_free(cch) cb_head_is_free(cch)
+#define cc_head_set_free(cch) cb_head_set_free(cch)
+/*
+ * Define the cache entry for an individual character.
+ * The bits, if any, immediately follow the structure;
+ * characters with only xfont definitions may not have bits.
+ * An entry is 'real' if it is not free and if pair != 0.
+ * We maintain the invariant that at least one of the following must be true
+ * for all real entries:
+ *      - cc_has_bits(cc);
+ *      - cc->xglyph != gx_no_xglyph && cc_pair(cc)->xfont != 0.
+ */
+#ifndef cached_char_DEFINED
+#  define cached_char_DEFINED
+typedef struct cached_char_s cached_char;
+
+#endif
+struct cached_char_s {
+
+    /* The code, font/matrix pair, wmode, and depth */
+    /* are the 'key' in the cache. */
+    /* gx_cached_bits_common includes depth. */
+
+    gx_cached_bits_common;	/* (must be first) */
+#define cc_depth(cc) ((cc)->cb_depth)
+#define cc_set_depth(cc, d) ((cc)->cb_depth = (d))
+    cached_fm_pair *pair;
+#define cc_pair(cc) ((cc)->pair)
+#define cc_set_pair_only(cc, p) ((cc)->pair = (p))
+    gs_glyph code;		/* glyph code */
+    byte wmode;			/* writing mode (0 or 1) */
+
+    /* The following are neither 'key' nor 'value'. */
+
+    char_cache_chunk *chunk;	/* chunk where this char */
+    /* is allocated */
+    uint loc;			/* relative location in chunk */
+    uint pair_index;		/* index of pair in mdata */
+
+    /* The rest of the structure is the 'value'. */
+    /* gx_cached_bits_common has width, height, raster, */
+    /* shift (not used here), id. */
+
+#define cc_raster(cc) ((cc)->raster)
+#define cc_set_raster(cc, r) ((cc)->raster = (r))
+    gx_xglyph xglyph;		/* the xglyph for the xfont, if any */
+    gs_fixed_point wxy;		/* width in device coords */
+    gs_fixed_point offset;	/* (-llx, -lly) in device coords */
+};
+
+#define cc_is_free(cc) cc_head_is_free(&(cc)->head)
+#define cc_set_free(cc) cc_head_set_free(&(cc)->head)
+#define cc_set_pair(cc, p)\
+  ((cc)->pair_index = ((cc)->pair = (p))->index)
+#define cc_has_bits(cc) ((cc)->id != gx_no_bitmap_id)
+/*
+ * Memory management for cached_chars is a little unusual.
+ * cached_chars are never instantiated on their own; a pointer to
+ * a cached_char points into the middle of a cache chunk.
+ * Consequently, such pointers can't be traced or relocated
+ * in the usual way.  What we do instead is allocate the cache
+ * outside garbage-collectable space; we do all the tracing and relocating
+ * of pointers *from* the cache (currently only the head.pair pointer)
+ * when we trace or relocate the font "directory" that owns the cache.
+ *
+ * Since cached_chars are (currently) never instantiated on their own,
+ * they only have a descriptor so that cached_char_ptr can trace them.
+ */
+#define private_st_cached_char() /* in gxccman.c */\
+  gs_private_st_composite(st_cached_char, cached_char, "cached_char",\
+    cached_char_enum_ptrs, cached_char_reloc_ptrs)
+#define private_st_cached_char_ptr() /* in gxccman.c */\
+  gs_private_st_composite(st_cached_char_ptr, cached_char *,\
+    "cached_char *", cc_ptr_enum_ptrs, cc_ptr_reloc_ptrs)
+#define private_st_cached_char_ptr_elt() /* in gxccman.c */\
+  gs_private_st_element(st_cached_char_ptr_element, cached_char *,\
+    "cached_char *[]", cc_ptr_element_enum_ptrs, cc_ptr_element_reloc_ptrs,\
+    st_cached_char_ptr)
+
+/*
+ * Define the alignment and size of the cache structures.
+ */
+#define align_cached_char_mod align_cached_bits_mod
+#define sizeof_cached_char\
+  round_up(sizeof(cached_char), align_cached_char_mod)
+#define cc_bits(cc) ((byte *)(cc) + sizeof_cached_char)
+#define cc_const_bits(cc) ((const byte *)(cc) + sizeof_cached_char)
+
+/* Define the hash index for a (glyph, fm_pair) key. */
+#define chars_head_index(glyph, pair)\
+  ((uint)(glyph) * 59 + (pair)->hash * 73)	/* scramble it a bit */
+
+/* ------ Character cache ------ */
+
+/*
+ * So that we can find all the entries in the cache without
+ * following chains of pointers, we use open hashing rather than
+ * chained hashing for the lookup table.
+ */
+typedef struct char_cache_s {
+    /* gx_bits_cache_common provides chunks, cnext, */
+    /* bsize, csize. */
+    gx_bits_cache_common;
+    gs_memory_t *struct_memory;
+    gs_memory_t *bits_memory;
+    cached_char **table;	/* hash table */
+    uint table_mask;		/* (a power of 2 -1) */
+    uint bmax;			/* max bsize */
+    uint cmax;			/* max csize */
+    uint bspace;		/* space allocated for chunks */
+    uint lower;			/* min size at which cached chars */
+    /* should be stored compressed */
+    uint upper;			/* max size of a single cached char */
+    gs_glyph_mark_proc_t mark_glyph;
+    void *mark_glyph_data;	/* closure data */
+} char_cache;
+
+/* ------ Font/character cache ------ */
+
+/* A font "directory" (font/character cache manager). */
+struct gs_font_dir_s {
+
+    /* Original (unscaled) fonts */
+
+    gs_font *orig_fonts;
+
+    /* Scaled font cache */
+
+    gs_font *scaled_fonts;	/* list of recently scaled fonts */
+    uint ssize, smax;
+
+    /* Font/matrix pair cache */
+
+    fm_pair_cache fmcache;
+
+    /* Character cache */
+
+    char_cache ccache;
+    /* Scanning cache for GC */
+    uint enum_index;		/* index (N) */
+    uint enum_offset;		/* ccache.table[offset] is N'th non-zero entry */
+};
+
+#define private_st_font_dir()	/* in gsfont.c */\
+  gs_private_st_composite(st_font_dir, gs_font_dir, "gs_font_dir",\
+    font_dir_enum_ptrs, font_dir_reloc_ptrs)
+
+/* Enumerate the pointers in a font directory, except for orig_fonts. */
+#define font_dir_do_ptrs(m)\
+  /*m(-,orig_fonts)*/ m(0,scaled_fonts) m(1,fmcache.mdata)\
+  m(2,ccache.table) m(3,ccache.mark_glyph_data)
+#define st_font_dir_max_ptrs 4
+
+/* Character cache procedures (in gxccache.c and gxccman.c) */
+int gx_char_cache_alloc(P7(gs_memory_t * struct_mem, gs_memory_t * bits_mem,
+			   gs_font_dir * pdir, uint bmax, uint mmax,
+			   uint cmax, uint upper));
+void gx_char_cache_init(P1(gs_font_dir *));
+void gx_purge_selected_cached_chars(P3(gs_font_dir *, bool(*)(P2(cached_char *, void *)), void *));
+cached_fm_pair *
+               gx_lookup_fm_pair(P2(gs_font *, const gs_state *));
+cached_fm_pair *
+               gx_add_fm_pair(P4(gs_font_dir *, gs_font *, const gs_uid *, const gs_state *));
+void gx_lookup_xfont(P3(const gs_state *, cached_fm_pair *, int));
+void gs_purge_fm_pair(P3(gs_font_dir *, cached_fm_pair *, int));
+
+#endif /* gxfcache_INCLUDED */
diff --git a/pstoraster/gxfcmap.h b/pstoraster/gxfcmap.h
new file mode 100644
index 000000000..dc3d64a21
--- /dev/null
+++ b/pstoraster/gxfcmap.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal CMap data definition */
+
+/* This file should be called gxcmap.h, except that name is already used. */
+
+#ifndef gxfcmap_INCLUDED
+#  define gxfcmap_INCLUDED
+
+#include "gsfcmap.h"
+#include "gsuid.h"
+
+/*
+ * The main body of data in a CMap is two code maps, one for defined
+ * characters, one for notdefs.  Each code map is a multi-level tree,
+ * one level per byte decoded from the input string.  Each node of
+ * the tree may be:
+ *      a character code (1-4 bytes)
+ *      a character name (gs_glyph)
+ *      a CID (gs_glyph)
+ *      a subtree
+ */
+typedef enum {
+    cmap_char_code,
+    cmap_glyph,			/* character name or CID */
+    cmap_subtree
+} gx_code_map_type;
+typedef struct gx_code_map_s gx_code_map;
+struct gx_code_map_s {
+    byte first;			/* first char code covered by this node */
+    byte last;			/* last char code ditto */
+         uint /*gx_code_map_type */ type:2;
+    uint num_bytes1:2;		/* # of bytes -1 for char_code */
+         uint /*bool */ add_offset:1;	/* if set, add char - first to ccode / glyph */
+    /* We would like to combine the two unions into a union of structs, */
+    /* but no compiler seems to do the right thing about packing. */
+    union bd_ {
+	byte font_index;	/* for leaf, font index */
+	/* (only non-zero if rearranged font) */
+	byte count1;		/* for subtree, # of entries -1 */
+    } byte_data;
+    union d_ {
+	gs_char ccode;		/* num_bytes bytes */
+	gs_glyph glyph;
+	gx_code_map *subtree;	/* [count] */
+    } data;
+    gs_cmap *cmap;		/* point back to CMap for GC mark proc */
+};
+
+/* The GC information for a gx_code_map is complex, because names must be */
+/* traced. */
+extern_st(st_code_map);
+extern_st(st_code_map_element);
+#define public_st_code_map()	/* in gsfcmap.c */\
+  gs_public_st_composite(st_code_map, gx_code_map, "gx_code_map",\
+    code_map_enum_ptrs, code_map_reloc_ptrs)
+#define public_st_code_map_element() /* in gsfcmap.c */\
+  gs_public_st_element(st_code_map_element, gx_code_map, "gx_code_map[]",\
+    code_map_elt_enum_ptrs, code_map_elt_reloc_ptrs, st_code_map)
+
+/* A CMap proper is relatively simple. */
+struct gs_cmap_s {
+    gs_cid_system_info CIDSystemInfo;	/* must be first */
+    gs_uid uid;
+    int WMode;
+    gx_code_map def;		/* defined characters (cmap_subtree) */
+    gx_code_map notdef;		/* notdef characters (cmap_subtree) */
+    gs_glyph_mark_proc_t mark_glyph;	/* glyph marking procedure for GC */
+    void *mark_glyph_data;	/* closure data */
+};
+
+/*extern_st(st_cmap); */
+#define public_st_cmap()	/* in gsfcmap.c */\
+  gs_public_st_suffix_add4(st_cmap, gs_cmap, "gs_cmap",\
+    cmap_enum_ptrs, cmap_reloc_ptrs, st_cid_system_info,\
+    uid.xvalues, def.data.subtree, notdef.data.subtree, mark_glyph_data)
+
+#endif /* gxfcmap_INCLUDED */
diff --git a/pstoraster/gxfill.c b/pstoraster/gxfill.c
new file mode 100644
index 000000000..caf23647e
--- /dev/null
+++ b/pstoraster/gxfill.c
@@ -0,0 +1,1543 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Lower-level path filling procedures */
+#include "math_.h"		/* for floor in fixed_mult_quo */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gxdevice.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+#include "gxdcolor.h"
+#include "gxhttile.h"
+#include "gxistate.h"
+#include "gxpaint.h"		/* for prototypes */
+
+/* Define which fill algorithm(s) to use. */
+#define FILL_SCAN_LINES
+#define FILL_CURVES
+#define FILL_TRAPEZOIDS
+
+/* Define the structure for keeping track of active lines. */
+typedef struct active_line_s active_line;
+struct active_line_s {
+    gs_fixed_point start;	/* x,y where line starts */
+    gs_fixed_point end;		/* x,y where line ends */
+    gs_fixed_point diff;	/* end - start */
+#define al_dx(alp) ((alp)->diff.x)
+#define al_dy(alp) ((alp)->diff.y)
+    fixed y_fast_max;		/* can do x_at_y in fixed point */
+    /* if y <= y_fast_max */
+#define set_al_points(alp, startp, endp)\
+  (alp)->diff.x = (endp).x - (startp).x,\
+  (alp)->y_fast_max = max_fixed /\
+    (((alp)->diff.x >= 0 ? (alp)->diff.x : -(alp)->diff.x) | 1) + (startp).y,\
+  (alp)->diff.y = (endp).y - (startp).y,\
+  (alp)->start = startp, (alp)->end = endp
+#define al_x_at_y(alp, yv)\
+  ((yv) == (alp)->end.y ? (alp)->end.x :\
+   ((yv) <= (alp)->y_fast_max ?\
+    ((yv) - (alp)->start.y) * al_dx(alp) / al_dy(alp) :\
+    (INCR_EXPR(slow_x),\
+     fixed_mult_quo(al_dx(alp), (yv) - (alp)->start.y, al_dy(alp)))) +\
+   (alp)->start.x)
+    fixed x_current;		/* current x position */
+    fixed x_next;		/* x position at end of band */
+    const segment *pseg;	/* endpoint of this line */
+    int direction;		/* direction of line segment */
+#define dir_up 1
+#define dir_horizontal 0	/* (these are handled specially) */
+#define dir_down (-1)
+    int curve_k;		/* # of subdivisions for curves, */
+    /* -1 for lines */
+    curve_cursor cursor;	/* cursor for curves, */
+    /* unused for lines */
+/* "Pending" lines (not reached in the Y ordering yet) use next and prev */
+/* to order lines by increasing starting Y.  "Active" lines (being scanned) */
+/* use next and prev to order lines by increasing current X, or if the */
+/* current Xs are equal, by increasing final X. */
+    active_line *prev, *next;
+/* Link together active_lines allocated individually */
+    active_line *alloc_next;
+};
+
+/*
+ * The active_line structure isn't really simple, but since its instances
+ * only exist temporarily during a fill operation, we don't have to
+ * worry about a garbage collection occurring.
+ */
+gs_private_st_simple(st_active_line, active_line, "active_line");
+
+/* Define the ordering criterion for active lines. */
+/* The xc argument is a copy of lp2->x_current. */
+#define x_precedes(lp1, lp2, xc)\
+  (lp1->x_current < xc || (lp1->x_current == xc &&\
+   (lp1->start.x > lp2->start.x || lp1->end.x < lp2->end.x)))
+
+#ifdef DEBUG
+/* Internal procedures for printing and checking active lines. */
+private void
+print_active_line(const char *label, const active_line * alp)
+{
+    dlprintf5("[f]%s 0x%lx(%d): x_current=%f x_next=%f\n",
+	      label, (ulong) alp, alp->direction,
+	      fixed2float(alp->x_current), fixed2float(alp->x_next));
+    dlprintf5("    start=(%f,%f) pt_end=0x%lx(%f,%f)\n",
+	      fixed2float(alp->start.x), fixed2float(alp->start.y),
+	      (ulong) alp->pseg,
+	      fixed2float(alp->end.x), fixed2float(alp->end.y));
+    dlprintf2("    prev=0x%lx next=0x%lx\n",
+	      (ulong) alp->prev, (ulong) alp->next);
+}
+private void
+print_line_list(const active_line * flp)
+{
+    const active_line *lp;
+
+    for (lp = flp; lp != 0; lp = lp->next) {
+	fixed xc = lp->x_current, xn = lp->x_next;
+
+	dlprintf3("[f]0x%lx(%d): x_current/next=%g",
+		  (ulong) lp, lp->direction,
+		  fixed2float(xc));
+	if (xn != xc)
+	    dprintf1("/%g", fixed2float(xn));
+	dputc('\n');
+    }
+}
+#define print_al(label,alp)\
+  if ( gs_debug_c('F') ) print_active_line(label, alp)
+private int
+check_line_list(const active_line * flp)
+{
+    const active_line *alp;
+
+    if (flp != 0)
+	for (alp = flp->prev->next; alp != 0; alp = alp->next)
+	    if (alp->next != 0 && alp->next->x_current < alp->x_current) {
+		lprintf("[f]Lines out of order!\n");
+		print_active_line("   1:", alp);
+		print_active_line("   2:", alp->next);
+		return_error(gs_error_Fatal);
+	    }
+    return 0;
+}
+#else
+#define print_al(label,alp) DO_NOTHING
+#endif
+
+/* Line list structure */
+struct line_list_s {
+    gs_memory_t *memory;
+    active_line *active_area;	/* allocated active_line list */
+    active_line *next_active;	/* next allocation slot */
+    active_line *limit;		/* limit of local allocation */
+    int close_count;		/* # of added closing lines */
+    active_line *y_list;	/* Y-sorted list of pending lines */
+    active_line *y_line;	/* most recently inserted line */
+    active_line x_head;		/* X-sorted list of active lines */
+#define x_list x_head.next
+    /* Put the arrays last so the scalars will have */
+    /* small displacements. */
+    /* Allocate a few active_lines locally */
+    /* to avoid round trips through the allocator. */
+#if arch_small_memory
+#  define max_local_active 5	/* don't overburden the stack */
+#else
+#  define max_local_active 20
+#endif
+    active_line local_active[max_local_active];
+};
+typedef struct line_list_s line_list;
+typedef line_list *ll_ptr;
+
+/* Forward declarations */
+private void init_line_list(P2(ll_ptr, gs_memory_t *));
+private void unclose_path(P2(gx_path *, int));
+private void free_line_list(P1(ll_ptr));
+private int add_y_list(P5(gx_path *, ll_ptr, fixed, fixed,
+			  const gs_fixed_rect *));
+private int add_y_line(P4(const segment *, const segment *, int, ll_ptr));
+private void insert_x_new(P2(active_line *, ll_ptr));
+private bool end_x_line(P1(active_line *));
+
+#define fill_loop_proc(proc)\
+int proc(P11(ll_ptr, gx_device *,\
+  const gx_fill_params *, const gx_device_color *, gs_logical_operation_t,\
+  const gs_fixed_rect *, fixed, fixed, fixed, fixed, fixed))
+private fill_loop_proc(fill_loop_by_scan_lines);
+private fill_loop_proc(fill_loop_by_trapezoids);
+
+/* Statistics */
+#ifdef DEBUG
+struct stats_fill_s {
+    long
+         fill, fill_alloc, y_up, y_down, horiz, x_step, slow_x, iter, find_y,
+         band, band_step, band_fill, afill, slant, slant_shallow, sfill;
+} stats_fill;
+
+#  define INCR(x) (++(stats_fill.x))
+#  define INCR_EXPR(x) INCR(x)
+#  define INCR_BY(x,n) (stats_fill.x += (n))
+#else
+#  define INCR(x) DO_NOTHING
+#  define INCR_EXPR(x) discard(0)
+#  define INCR_BY(x,n) DO_NOTHING
+#endif
+
+/*
+ * This is the general path filling algorithm.
+ * It uses the center-of-pixel rule for filling.
+ * We can implement Microsoft's upper-left-corner-of-pixel rule
+ * by subtracting (0.5, 0.5) from all the coordinates in the path.
+ *
+ * The adjust parameters are a hack for keeping regions
+ * from coming out too faint: they specify an amount by which to expand
+ * the sides of every filled region.
+ * Setting adjust = fixed_half is supposed to produce the effect of Adobe's
+ * any-part-of-pixel rule, but it doesn't quite, because of the
+ * closed/open interval rule for regions.  We detect this as a special case
+ * and do the slightly ugly things necessary to make it work.
+ */
+
+/*
+ * Tweak the fill adjustment if necessary so that (nearly) empty
+ * rectangles are guaranteed to produce some output.  This is a hack
+ * to work around a bug in the Microsoft Windows PostScript driver,
+ * which draws thin lines by filling zero-width rectangles, and in
+ * some other drivers that try to fill epsilon-width rectangles.
+ */
+void
+gx_adjust_if_empty(const gs_fixed_rect * pbox, gs_fixed_point * adjust)
+{
+    const fixed
+          dx = pbox->q.x - pbox->p.x, dy = pbox->q.y - pbox->p.y;
+
+    if (dx < fixed_half && dy >= int2fixed(2)) {
+	adjust->x = arith_rshift_1(fixed_1 + fixed_epsilon - dx);
+	if_debug1('f', "[f]thin adjust_x=%g\n",
+		  fixed2float(adjust->x));
+    } else if (dy < fixed_half && dx >= int2fixed(2)) {
+	adjust->y = arith_rshift_1(fixed_1 + fixed_epsilon - dy);
+	if_debug1('f', "[f]thin adjust_y=%g\n",
+		  fixed2float(adjust->y));
+    }
+}
+
+/*
+ * Fill a path.  This is the default implementation of the driver
+ * fill_path procedure.
+ */
+int
+gx_default_fill_path(gx_device * pdev, const gs_imager_state * pis,
+		     gx_path * ppath, const gx_fill_params * params,
+		 const gx_device_color * pdevc, const gx_clip_path * pcpath)
+{
+    gs_fixed_point adjust;
+
+#define adjust_x adjust.x
+#define adjust_y adjust.y
+    gs_logical_operation_t lop = pis->log_op;
+    gs_fixed_rect ibox, bbox;
+    gx_device_clip cdev;
+    gx_device *dev = pdev;
+    gx_device *save_dev = dev;
+    gx_path ffpath;
+    gx_path *pfpath;
+    int code;
+    fixed adjust_left, adjust_right, adjust_below, adjust_above;
+    int max_fill_band = dev->max_fill_band;
+
+#define no_band_mask ((fixed)(-1) << (sizeof(fixed) * 8 - 1))
+    bool fill_by_trapezoids;
+    line_list lst;
+
+    adjust = params->adjust;
+    /*
+     * Compute the bounding box before we flatten the path.
+     * This can save a lot of time if the path has curves.
+     * If the path is neither fully within nor fully outside
+     * the quick-check boxes, we could recompute the bounding box
+     * and make the checks again after flattening the path,
+     * but right now we don't bother.
+     */
+    gx_path_bbox(ppath, &ibox);
+    if (params->fill_zero_width)
+	gx_adjust_if_empty(&ibox, &adjust);
+    /* Check the bounding boxes. */
+    if_debug6('f', "[f]adjust=%g,%g bbox=(%g,%g),(%g,%g)\n",
+	      fixed2float(adjust_x), fixed2float(adjust_y),
+	      fixed2float(ibox.p.x), fixed2float(ibox.p.y),
+	      fixed2float(ibox.q.x), fixed2float(ibox.q.y));
+    if (pcpath)
+	gx_cpath_inner_box(pcpath, &bbox);
+    else
+	(*dev_proc(dev, get_clipping_box)) (dev, &bbox);
+    if (!rect_within(ibox, bbox)) {	/*
+					 * Intersect the path box and the clip bounding box.
+					 * If the intersection is empty, this fill is a no-op.
+					 */
+	if (pcpath)
+	    gx_cpath_outer_box(pcpath, &bbox);
+	if_debug4('f', "   outer_box=(%g,%g),(%g,%g)\n",
+		  fixed2float(bbox.p.x), fixed2float(bbox.p.y),
+		  fixed2float(bbox.q.x), fixed2float(bbox.q.y));
+	rect_intersect(ibox, bbox);
+	if (ibox.p.x - adjust_x >= ibox.q.x + adjust_x ||
+	    ibox.p.y - adjust_y >= ibox.q.y + adjust_y
+	    ) {			/* Intersection of boxes is empty! */
+	    return 0;
+	}
+#undef adjust_x
+#undef adjust_y
+	/*
+	 * The path is neither entirely inside the inner clip box
+	 * nor entirely outside the outer clip box.
+	 * If we had to flatten the path, this is where we would
+	 * recompute its bbox and make the tests again,
+	 * but we don't bother right now.
+	 *
+	 * If there is a clipping path, set up a clipping device.
+	 */
+	if (pcpath) {
+	    dev = (gx_device *) & cdev;
+	    gx_make_clip_device(&cdev, &cdev, gx_cpath_list(pcpath));
+	    cdev.target = save_dev;
+	    cdev.max_fill_band = save_dev->max_fill_band;
+	    (*dev_proc(dev, open_device)) (dev);
+	}
+    }
+    /*
+     * Compute the proper adjustment values.
+     * To get the effect of the any-part-of-pixel rule,
+     * we may have to tweak them slightly.
+     * NOTE: We changed the adjust_right/above value from 0.5+epsilon
+     * to 0.5 in release 5.01; even though this does the right thing
+     * in every case we could imagine, we aren't confident that it's
+     * correct.  (The old values were definitely incorrect, since they
+     * caused 1-pixel-wide/high objects to color 2 pixels even if
+     * they fell exactly on pixel boundaries.)
+     */
+    if (adjust.x == fixed_half)
+	adjust_left = fixed_half - fixed_epsilon,
+	    adjust_right = fixed_half /* + fixed_epsilon */ ;	/* see above */
+    else
+	adjust_left = adjust_right = adjust.x;
+    if (adjust.y == fixed_half)
+	adjust_below = fixed_half - fixed_epsilon,
+	    adjust_above = fixed_half /* + fixed_epsilon */ ;	/* see above */
+    else
+	adjust_below = adjust_above = adjust.y;
+    /* Initialize the active line list. */
+    init_line_list(&lst, ppath->memory);
+    /*
+     * We have a choice of two different filling algorithms:
+     * scan-line-based and trapezoid-based.  They compare as follows:
+     *
+     *      Scan    Trap
+     *      ----    ----
+     *       no     +yes    perfectly accurate Y adjustment
+     *       skip   +draw   0-height horizontal lines
+     *       slow   +fast   rectangles
+     *      +fast    slow   curves
+     *      +yes     no     write pixels at most once
+     *
+     * Normally we use the scan line algorithm for characters, where
+     * curve speed is important and no Y adjustment is involved, and for
+     * non-idempotent RasterOps, where double pixel writing must be
+     * avoided, and the trapezoid algorithm otherwise.
+     */
+#define double_write_ok lop_is_idempotent(lop)
+#ifdef FILL_SCAN_LINES
+#  ifdef FILL_TRAPEZOIDS
+    fill_by_trapezoids =
+	((adjust_below | adjust_above) != 0 || !gx_path_has_curves(ppath) ||
+	 params->flatness >= 1.0) && double_write_ok;
+#  else
+    fill_by_trapezoids = false;
+#  endif
+#else
+    fill_by_trapezoids = double_write_ok;
+#endif
+#undef double_write_ok
+    /*
+     * Pre-process curves.  When filling by trapezoids, we need to
+     * flatten the path completely; when filling by scan lines, we only
+     * need to monotonize it, unless FILL_CURVES is undefined.
+     */
+    gx_path_init_local(&ffpath, ppath->memory);
+    if (!gx_path_has_curves(ppath))	/* don't need to flatten */
+	pfpath = ppath;
+    else
+#ifdef FILL_CURVES
+    if (fill_by_trapezoids) {
+	gx_path_init_local(&ffpath, ppath->memory);
+	code = gx_path_add_flattened_accurate(ppath, &ffpath,
+					      params->flatness,
+					      pis->accurate_curves);
+	if (code < 0)
+	    return code;
+	pfpath = &ffpath;
+    } else if (gx_path_is_monotonic(ppath))
+	pfpath = ppath;
+    else {
+	gx_path_init_local(&ffpath, ppath->memory);
+	code = gx_path_add_monotonized(ppath, &ffpath);
+	if (code < 0)
+	    return code;
+	pfpath = &ffpath;
+    }
+#else
+    {
+	gx_path_init_local(&ffpath, ppath->memory);
+	code = gx_path_add_flattened_accurate(ppath, &ffpath,
+					      params->flatness,
+					      pis->accurate_curves);
+	if (code < 0)
+	    return code;
+	pfpath = &ffpath;
+    }
+#endif
+    if ((code = add_y_list(pfpath, &lst, adjust_below, adjust_above, &ibox)) < 0)
+	goto nope;
+    {
+	fill_loop_proc((*fill_loop));
+
+	/* Some short-sighted compilers won't allow a conditional here.... */
+	if (fill_by_trapezoids)
+	    fill_loop = fill_loop_by_trapezoids;
+	else
+	    fill_loop = fill_loop_by_scan_lines;
+	code = (*fill_loop)
+	    (&lst, dev, params, pdevc, lop, &ibox,
+	     adjust_left, adjust_right, adjust_below, adjust_above,
+	   (max_fill_band == 0 ? no_band_mask : int2fixed(-max_fill_band)));
+    }
+  nope:if (lst.close_count != 0)
+	unclose_path(pfpath, lst.close_count);
+    free_line_list(&lst);
+    if (pfpath != ppath)	/* had to flatten */
+	gx_path_free(pfpath, "gx_default_fill_path(flattened path)");
+#ifdef DEBUG
+    if (gs_debug_c('f')) {
+	dlputs("[f]  # alloc    up  down  horiz step slowx  iter  find  band bstep bfill\n");
+	dlprintf5(" %5ld %5ld %5ld %5ld %5ld",
+		  stats_fill.fill, stats_fill.fill_alloc,
+		  stats_fill.y_up, stats_fill.y_down,
+		  stats_fill.horiz);
+	dlprintf4(" %5ld %5ld %5ld %5ld",
+		  stats_fill.x_step, stats_fill.slow_x,
+		  stats_fill.iter, stats_fill.find_y);
+	dlprintf3(" %5ld %5ld %5ld\n",
+		  stats_fill.band, stats_fill.band_step,
+		  stats_fill.band_fill);
+	dlputs("[f]    afill slant shall sfill\n");
+	dlprintf4("       %5ld %5ld %5ld %5ld\n",
+		  stats_fill.afill, stats_fill.slant,
+		  stats_fill.slant_shallow, stats_fill.sfill);
+    }
+#endif
+    return code;
+}
+
+/* Initialize the line list for a path. */
+private void
+init_line_list(ll_ptr ll, gs_memory_t * mem)
+{
+    ll->memory = mem;
+    ll->active_area = 0;
+    ll->next_active = ll->local_active;
+    ll->limit = ll->next_active + max_local_active;
+    ll->close_count = 0;
+    ll->y_list = 0;
+    ll->y_line = 0;
+    INCR(fill);
+}
+
+/* Unlink any line_close segments added temporarily. */
+private void
+unclose_path(gx_path * ppath, int count)
+{
+    subpath *psub;
+
+    for (psub = ppath->first_subpath; count != 0;
+	 psub = (subpath *) psub->last->next
+	)
+	if (psub->last == (segment *) & psub->closer) {
+	    segment *prev = psub->closer.prev, *next = psub->closer.next;
+
+	    prev->next = next;
+	    if (next)
+		next->prev = prev;
+	    psub->last = prev;
+	    count--;
+	}
+}
+
+/* Free the line list. */
+private void
+free_line_list(ll_ptr ll)
+{
+    gs_memory_t *mem = ll->memory;
+    active_line *alp;
+
+    /* Free any individually allocated active_lines. */
+    while ((alp = ll->active_area) != 0) {
+	active_line *next = alp->alloc_next;
+
+	gs_free_object(mem, alp, "active line");
+	ll->active_area = next;
+    }
+}
+
+/*
+ * Construct a Y-sorted list of segments for rasterizing a path.  We assume
+ * the path is non-empty.  Only include non-horizontal lines or (monotonic)
+ * curve segments where one endpoint is locally Y-minimal, and horizontal
+ * lines that might color some additional pixels.
+ */
+private int
+add_y_list(gx_path * ppath, ll_ptr ll, fixed adjust_below, fixed adjust_above,
+	   const gs_fixed_rect * pbox)
+{
+    register segment *pseg = (segment *) ppath->first_subpath;
+    int close_count = 0;
+
+    /* fixed xmin = pbox->p.x; *//* not currently used */
+    fixed ymin = pbox->p.y;
+
+    /* fixed xmax = pbox->q.x; *//* not currently used */
+    fixed ymax = pbox->q.y;
+    int code;
+
+    while (pseg) {		/* We know that pseg points to a subpath head (s_start). */
+	subpath *psub = (subpath *) pseg;
+	segment *plast = psub->last;
+	int dir = 2;		/* hack to skip first segment */
+	int first_dir, prev_dir;
+	segment *prev;
+
+	if (plast->type != s_line_close) {	/* Create a fake s_line_close */
+	    line_close_segment *lp = &psub->closer;
+	    segment *next = plast->next;
+
+	    lp->next = next;
+	    lp->prev = plast;
+	    plast->next = (segment *) lp;
+	    if (next)
+		next->prev = (segment *) lp;
+	    lp->type = s_line_close;
+	    lp->pt = psub->pt;
+	    lp->sub = psub;
+	    psub->last = plast = (segment *) lp;
+	    ll->close_count++;
+	}
+	while ((prev_dir = dir, prev = pseg,
+		(pseg = pseg->next) != 0 && pseg->type != s_start)
+	    ) {			/*
+				 * This element is either a line or a monotonic
+				 * curve segment.
+				 */
+	    fixed iy = pseg->pt.y;
+	    fixed py = prev->pt.y;
+
+	    /*
+	     * Segments falling entirely outside the ibox in Y
+	     * are treated as though they were horizontal, *
+	     * i.e., they are never put on the list.
+	     */
+#define compute_dir(xo, xe, yo, ye)\
+  (ye > yo ? (ye <= ymin || yo >= ymax ? 0 : dir_up) :\
+   ye < yo ? (yo <= ymin || ye >= ymax ? 0 : dir_down) :\
+   2)
+#define add_dir_lines(prev2, prev, this, pdir, dir)\
+  if ( pdir )\
+   { if ( (code = add_y_line(prev2, prev, pdir, ll)) < 0 ) return code; }\
+  if ( dir )\
+   { if ( (code = add_y_line(prev, this, dir, ll)) < 0 ) return code; }
+	    dir = compute_dir(prev->pt.x, pseg->pt.x, py, iy);
+	    if (dir == 2) {	/* Put horizontal lines on the list */
+		/* if they would color any pixels. */
+		if (fixed2int_pixround(iy - adjust_below) <
+		    fixed2int_pixround(iy + adjust_above)
+		    ) {
+		    INCR(horiz);
+		    if ((code = add_y_line(prev, pseg,
+					   dir_horizontal, ll)) < 0
+			)
+			return code;
+		}
+		dir = 0;
+	    }
+	    if (dir > prev_dir) {
+		add_dir_lines(prev->prev, prev, pseg, prev_dir, dir);
+	    } else if (prev_dir == 2)	/* first segment */
+		first_dir = dir;
+	    if (pseg == plast) {	/*
+					 * We skipped the first segment of the
+					 * subpath, so the last segment must receive
+					 * special consideration.  Note that we have
+					 * `closed' all subpaths.
+					 */
+		if (first_dir > dir) {
+		    add_dir_lines(prev, pseg, psub->next,
+				  dir, first_dir);
+		}
+	    }
+	}
+#undef compute_dir
+#undef add_dir_lines
+    }
+    return close_count;
+}
+/*
+ * Internal routine to test a segment and add it to the pending list if
+ * appropriate.
+ */
+private int
+add_y_line(const segment * prev_lp, const segment * lp, int dir, ll_ptr ll)
+{
+    gs_fixed_point this, prev;
+    register active_line *alp = ll->next_active;
+    fixed y_start;
+
+    if (alp == ll->limit) {	/* Allocate separately */
+	alp = gs_alloc_struct(ll->memory, active_line,
+			      &st_active_line, "active line");
+	if (alp == 0)
+	    return_error(gs_error_VMerror);
+	alp->alloc_next = ll->active_area;
+	ll->active_area = alp;
+	INCR(fill_alloc);
+    } else
+	ll->next_active++;
+    this.x = lp->pt.x;
+    this.y = lp->pt.y;
+    prev.x = prev_lp->pt.x;
+    prev.y = prev_lp->pt.y;
+    switch ((alp->direction = dir)) {
+	case dir_up:
+	    y_start = prev.y;
+	    set_al_points(alp, prev, this);
+	    alp->pseg = lp;
+	    break;
+	case dir_down:
+	    y_start = this.y;
+	    set_al_points(alp, this, prev);
+	    alp->pseg = prev_lp;
+	    break;
+	case dir_horizontal:
+	    y_start = this.y;	/* = prev.y */
+	    alp->start = prev;
+	    alp->end = this;
+	    /* Don't need to set dx or y_fast_max */
+	    alp->pseg = prev_lp;	/* may not need this either */
+	    break;
+    }
+    /* Insert the new line in the Y ordering */
+    {
+	register active_line *yp = ll->y_line;
+	register active_line *nyp;
+
+	if (yp == 0) {
+	    alp->next = alp->prev = 0;
+	    ll->y_list = alp;
+	} else if (y_start >= yp->start.y) {	/* Insert the new line after y_line */
+	    while (INCR_EXPR(y_up),
+		   ((nyp = yp->next) != NULL &&
+		    y_start > nyp->start.y)
+		)
+		yp = nyp;
+	    alp->next = nyp;
+	    alp->prev = yp;
+	    yp->next = alp;
+	    if (nyp)
+		nyp->prev = alp;
+	} else {		/* Insert the new line before y_line */
+	    while (INCR_EXPR(y_down),
+		   ((nyp = yp->prev) != NULL &&
+		    y_start < nyp->start.y)
+		)
+		yp = nyp;
+	    alp->prev = nyp;
+	    alp->next = yp;
+	    yp->prev = alp;
+	    if (nyp)
+		nyp->next = alp;
+	    else
+		ll->y_list = alp;
+	}
+    }
+    ll->y_line = alp;
+    print_al("add ", alp);
+    return 0;
+}
+
+/* ---------------- Filling loop utilities ---------------- */
+
+/* Insert a newly active line in the X ordering. */
+private void
+insert_x_new(active_line * alp, ll_ptr ll)
+{
+    register active_line *next;
+    register active_line *prev = &ll->x_head;
+    register fixed x = alp->start.x;
+
+    alp->x_current = x;
+    while (INCR_EXPR(x_step),
+	   (next = prev->next) != 0 && x_precedes(next, alp, x)
+	)
+	prev = next;
+    alp->next = next;
+    alp->prev = prev;
+    if (next != 0)
+	next->prev = alp;
+    prev->next = alp;
+}
+
+/* Handle a line segment that just ended.  Return true iff this was */
+/* the end of a line sequence. */
+private bool
+end_x_line(active_line * alp)
+{
+    const segment *pseg = alp->pseg;
+
+    /*
+     * The computation of next relies on the fact that
+     * all subpaths have been closed.  When we cycle
+     * around to the other end of a subpath, we must be
+     * sure not to process the start/end point twice.
+     */
+    const segment *next =
+    (alp->direction == dir_up ?
+     (				/* Upward line, go forward along path. */
+	 pseg->type == s_line_close ?	/* end of subpath */
+	 ((const line_close_segment *)pseg)->sub->next :
+	 pseg->next) :
+     (				/* Downward line, go backward along path. */
+	 pseg->type == s_start ?	/* start of subpath */
+	 ((const subpath *)pseg)->last->prev :
+	 pseg->prev)
+    );
+    gs_fixed_point npt;
+
+    npt.y = next->pt.y;
+    if_debug5('F', "[F]ended 0x%lx: pseg=0x%lx y=%f next=0x%lx npt.y=%f\n",
+	      (ulong) alp, (ulong) pseg, fixed2float(pseg->pt.y),
+	      (ulong) next, fixed2float(npt.y));
+    if (npt.y <= pseg->pt.y) {	/* End of a line sequence */
+	active_line *nlp = alp->next;
+
+	alp->prev->next = nlp;
+	if (nlp)
+	    nlp->prev = alp->prev;
+	if_debug1('F', "[F]drop 0x%lx\n", (ulong) alp);
+	return true;
+    }
+    alp->pseg = next;
+    npt.x = next->pt.x;
+    set_al_points(alp, alp->end, npt);
+    print_al("repl", alp);
+    return false;
+}
+
+#define loop_fill_rectangle(x, y, w, h)\
+  gx_fill_rectangle_device_rop(x, y, w, h, pdevc, dev, lop)
+#define loop_fill_rectangle_direct(x, y, w, h)\
+  (fill_direct ?\
+   (*fill_rect)(dev, x, y, w, h, cindex) :\
+   gx_fill_rectangle_device_rop(x, y, w, h, pdevc, dev, lop))
+
+/* ---------------- Scan line filling loop ---------------- */
+
+/* Forward references */
+private void set_scan_line_points(P2(active_line *, fixed));
+
+/* Main filling loop. */
+private int
+fill_loop_by_scan_lines(ll_ptr ll, gx_device * dev,
+	       const gx_fill_params * params, const gx_device_color * pdevc,
+		     gs_logical_operation_t lop, const gs_fixed_rect * pbox,
+			fixed adjust_left, fixed adjust_right,
+		    fixed adjust_below, fixed adjust_above, fixed band_mask)
+{
+    int rule = params->rule;
+    fixed fixed_flat = float2fixed(params->flatness);
+    bool fill_direct = color_writes_pure(pdevc, lop);
+    gx_color_index cindex;
+
+    dev_proc_fill_rectangle((*fill_rect));
+    active_line *yll = ll->y_list;
+    fixed y_limit = pbox->q.y;
+    fixed y;
+
+    /*
+     * The meaning of adjust_below (B) and adjust_above (A) is that
+     * the pixels that would normally be painted at coordinate Y get
+     * "smeared" to coordinates Y-B through Y+A-epsilon, inclusive.
+     * This is equivalent to saying that the pixels actually painted
+     * at coordinate Y are those contributed by scan lines Y-A+epsilon
+     * through Y+B, inclusive, or up to Y+B+epsilon, half-open.
+     * (A = B = 0 is a special case, equivalent to B = 0, A = epsilon.)
+     */
+    fixed look_below =
+    (adjust_above == fixed_0 ? fixed_0 : adjust_above - fixed_epsilon);
+    fixed look_above =
+    adjust_below + fixed_epsilon;
+    fixed look_height = look_above + look_below;
+    bool do_adjust = look_height > fixed_epsilon;
+
+    if (yll == 0)		/* empty list */
+	return 0;
+    if (fill_direct)
+	cindex = pdevc->colors.pure,
+	    fill_rect = dev_proc(dev, fill_rectangle);
+#define next_pixel_center(y)\
+  (fixed_pixround(y) + fixed_half)
+    y = next_pixel_center(yll->start.y) - look_below;	/* first Y sample point */
+    ll->x_list = 0;
+    ll->x_head.x_current = min_fixed;	/* stop backward scan */
+    while (1) {
+	active_line *alp, *nlp;
+	fixed x;
+	fixed ya = y + look_height;
+
+	INCR(iter);
+	/* Move newly active lines from y to x list. */
+	while (yll != 0 && yll->start.y < ya) {
+	    active_line *ynext = yll->next;	/* insert smashes next/prev links */
+
+	    if (yll->direction == dir_horizontal) {	/* Ignore for now. */
+	    } else {
+		insert_x_new(yll, ll);
+		set_scan_line_points(yll, fixed_flat);
+	    }
+	    yll = ynext;
+	}
+	/* Check whether we've reached the maximum y. */
+	if (y >= y_limit)
+	    break;
+	if (ll->x_list == 0) {	/* No active lines, skip to next start */
+	    if (yll == 0)
+		break;		/* no lines left */
+	    y = next_pixel_center(yll->start.y) - look_below;
+	    continue;
+	}
+	/* Update active lines to y. */
+	x = min_fixed;
+	for (alp = ll->x_list; alp != 0; alp = nlp) {
+	    fixed nx;
+
+	    nlp = alp->next;
+	  e:if (alp->end.y <= y) {
+		if (end_x_line(alp))
+		    continue;
+		set_scan_line_points(alp, fixed_flat);
+		goto e;
+	    }
+	    /* Note that if Y adjustment is in effect, */
+	    /* alp->start.y might be greater than y. */
+	    nx = alp->x_current =
+		(alp->start.y >= y ? alp->start.x :
+		 alp->curve_k < 0 ?
+		 al_x_at_y(alp, y) :
+		 gx_curve_x_at_y(&alp->cursor, y));
+	    if (nx < x) {	/* Move this line backward in the list. */
+		active_line *ilp = alp;
+
+		while (nx < (ilp = ilp->prev)->x_current);
+		/* Now ilp->x_current <= nx < ilp->next->x_cur. */
+		alp->prev->next = alp->next;
+		if (alp->next)
+		    alp->next->prev = alp->prev;
+		if (ilp->next)
+		    ilp->next->prev = alp;
+		alp->next = ilp->next;
+		ilp->next = alp;
+		alp->prev = ilp;
+		continue;
+	    }
+	    x = nx;
+	}
+
+	/* Fill inside regions at y. */
+	{
+	    int inside = 0;
+	    int x1_prev = min_int;
+
+	    /* rule = -1 for winding number rule, i.e. */
+	    /* we are inside if the winding number is non-zero; */
+	    /* rule = 1 for even-odd rule, i.e. */
+	    /* we are inside if the winding number is odd. */
+#define inside_path_p() ((inside & rule) != 0)
+	    INCR(band);
+	    for (alp = ll->x_list; alp != 0; alp = alp->next) {		/* We're outside a filled region. */
+		int x0 = fixed2int_pixround(alp->x_current -
+					    adjust_left);
+
+		/*
+		 * This doesn't handle lines that cross
+		 * within the adjustment region, but it's a
+		 * good start.
+		 */
+		if (do_adjust && alp->end.x < alp->start.x) {
+		    fixed xa = (alp->end.y < ya ? alp->end.x :
+				alp->curve_k < 0 ?
+				al_x_at_y(alp, ya) :
+				gx_curve_x_at_y(&alp->cursor,
+						ya));
+		    int x0a = fixed2int_pixround(xa -
+						 adjust_left);
+
+		    if (x0a < x0)
+			x0 = x0a;
+		}
+		for (;;) {	/* We're inside a filled region. */
+		    print_al("step", alp);
+		    INCR(band_step);
+		    inside += alp->direction;
+		    if (!inside_path_p())
+			break;
+		    /*
+		     * Since we're dealing with closed
+		     * paths, the test for alp == 0
+		     * shouldn't be needed, but we may have
+		     * omitted lines that are to the right
+		     * of the clipping region.  */
+		    if ((alp = alp->next) == 0)
+			goto out;
+		}
+#undef inside_path_p
+		/*
+		 * We just went from inside to outside, so
+		 * fill the region.  Avoid writing pixels
+		 * twice.
+		 */
+
+		if (x0 < x1_prev)
+		    x0 = x1_prev;
+		{
+		    int x1 = fixed2int_rounded(alp->x_current +
+					       adjust_right);
+
+		    if (do_adjust && alp->end.x > alp->start.x) {
+			fixed xa = (alp->end.y < ya ?
+				    alp->end.x :
+				    alp->curve_k < 0 ?
+				    al_x_at_y(alp, ya) :
+				    gx_curve_x_at_y(&alp->cursor,
+						    ya));
+			int x1a = fixed2int_rounded(xa +
+						    adjust_right);
+
+			if (x1a > x1)
+			    x1 = x1a;
+		    }
+		    if (x1 > x0) {
+			int code =
+			loop_fill_rectangle_direct(x0,
+						   fixed2int_var(y),
+						   x1 - x0, 1);
+
+			if_debug3('F', "[F]drawing [%d:%d),%d\n",
+				  x0, x1, fixed2int_var(y));
+			if (code < 0)
+			    return code;
+			x1_prev = x1;
+		    }
+		}
+	    }
+	  out:;
+	}
+	y += fixed_1;
+    }
+    return 0;
+}
+
+private void
+set_scan_line_points(active_line * alp, fixed fixed_flat)
+{
+    const segment *pseg = alp->pseg;
+    const gs_fixed_point *pp0;
+
+    if (alp->direction < 0) {
+	pseg =
+	    (pseg->type == s_line_close ?
+	     ((const line_close_segment *)pseg)->sub->next :
+	     pseg->next);
+	if (pseg->type != s_curve) {
+	    alp->curve_k = -1;
+	    return;
+	}
+	pp0 = &alp->end;
+    } else {
+	if (pseg->type != s_curve) {
+	    alp->curve_k = -1;
+	    return;
+	}
+	pp0 = &alp->start;
+    }
+#define pcseg ((const curve_segment *)pseg)
+    alp->curve_k =
+	gx_curve_log2_samples(pp0->x, pp0->y, pcseg, fixed_flat);
+    gx_curve_cursor_init(&alp->cursor, pp0->x, pp0->y, pcseg,
+			 alp->curve_k);
+#undef pcseg
+}
+
+/* ---------------- Trapezoid filling loop ---------------- */
+
+/* Forward references */
+private int fill_slant_adjust(P12(fixed, fixed, fixed, fixed, fixed,
+				  fixed, fixed, fixed, const gs_fixed_rect *,
+	     const gx_device_color *, gx_device *, gs_logical_operation_t));
+private void resort_x_line(P1(active_line *));
+
+/****** PATCH ******/
+#define loop_fill_trapezoid_fixed(fx0, fw0, fy0, fx1, fw1, fh)\
+  loop_fill_trap(dev, fx0, fw0, fy0, fx1, fw1, fh, pbox, pdevc, lop)
+private int
+loop_fill_trap(gx_device * dev, fixed fx0, fixed fw0, fixed fy0,
+	       fixed fx1, fixed fw1, fixed fh, const gs_fixed_rect * pbox,
+	       const gx_device_color * pdevc, gs_logical_operation_t lop)
+{
+    fixed fy1 = fy0 + fh;
+    fixed ybot = max(fy0, pbox->p.y);
+    fixed ytop = min(fy1, pbox->q.y);
+    gs_fixed_edge left, right;
+
+    if (ybot >= ytop)
+	return 0;
+    left.start.y = right.start.y = fy0;
+    left.end.y = right.end.y = fy1;
+    right.start.x = (left.start.x = fx0) + fw0;
+    right.end.x = (left.end.x = fx1) + fw1;
+    return (*dev_proc(dev, fill_trapezoid))
+	(dev, &left, &right, ybot, ytop, false, pdevc, lop);
+}
+/****** END PATCH ******/
+
+/* Main filling loop.  Takes lines off of y_list and adds them to */
+/* x_list as needed.  band_mask limits the size of each band, */
+/* by requiring that ((y1 - 1) & band_mask) == (y0 & band_mask). */
+private int
+fill_loop_by_trapezoids(ll_ptr ll, gx_device * dev,
+	       const gx_fill_params * params, const gx_device_color * pdevc,
+		     gs_logical_operation_t lop, const gs_fixed_rect * pbox,
+			fixed adjust_left, fixed adjust_right,
+		    fixed adjust_below, fixed adjust_above, fixed band_mask)
+{
+    int rule = params->rule;
+    const fixed y_limit = pbox->q.y;
+    active_line *yll = ll->y_list;
+    fixed y;
+    int code;
+    bool fill_direct = color_writes_pure(pdevc, lop);
+    gx_color_index cindex;
+
+    dev_proc_fill_rectangle((*fill_rect));
+/*
+ * Define a faster test for
+ *      fixed2int_pixround(y - below) != fixed2int_pixround(y + above)
+ * where we know
+ *      0 <= below <= _fixed_pixround_v,
+ *      0 <= above <= min(fixed_half, fixed_1 - below).
+ * Subtracting out the integer parts, this is equivalent to
+ *      fixed2int_pixround(fixed_fraction(y) - below) !=
+ *        fixed2int_pixround(fixed_fraction(y) + above)
+ * or to
+ *      fixed2int(fixed_fraction(y) + _fixed_pixround_v - below) !=
+ *        fixed2int(fixed_fraction(y) + _fixed_pixround_v + above)
+ * Letting A = _fixed_pixround_v - below and B = _fixed_pixround_v + above,
+ * we can rewrite this as
+ *      fixed2int(fixed_fraction(y) + A) != fixed2int(fixed_fraction(y) + B)
+ * Because of the range constraints given above, this is true precisely when
+ *      fixed_fraction(y) + A < fixed_1 && fixed_fraction(y) + B >= fixed_1
+ * or equivalently
+ *      fixed_fraction(y + B) < B - A.
+ * i.e.
+ *      fixed_fraction(y + _fixed_pixround_v + above) < below + above
+ */
+    fixed y_span_delta = _fixed_pixround_v + adjust_above;
+    fixed y_span_limit = adjust_below + adjust_above;
+
+#define adjusted_y_spans_pixel(y)\
+  fixed_fraction((y) + y_span_delta) < y_span_limit
+
+    if (yll == 0)
+	return 0;		/* empty list */
+    if (fill_direct)
+	cindex = pdevc->colors.pure,
+	    fill_rect = dev_proc(dev, fill_rectangle);
+    y = yll->start.y;		/* first Y value */
+    ll->x_list = 0;
+    ll->x_head.x_current = min_fixed;	/* stop backward scan */
+    while (1) {
+	fixed y1;
+	active_line *endp, *alp, *stopx;
+	fixed x;
+	int draw;
+
+	INCR(iter);
+	/* Move newly active lines from y to x list. */
+	while (yll != 0 && yll->start.y == y) {
+	    active_line *ynext = yll->next;	/* insert smashes next/prev links */
+
+	    if (yll->direction == dir_horizontal) {	/* This is a hack to make sure that */
+		/* isolated horizontal lines get stroked. */
+		int yi = fixed2int_pixround(y - adjust_below);
+		int xi, wi;
+
+		if (yll->start.x <= yll->end.x)
+		    xi = fixed2int_pixround(yll->start.x -
+					    adjust_left),
+			wi = fixed2int_pixround(yll->end.x +
+						adjust_right) - xi;
+		else
+		    xi = fixed2int_pixround(yll->end.x -
+					    adjust_left),
+			wi = fixed2int_pixround(yll->start.x +
+						adjust_right) - xi;
+		code = loop_fill_rectangle_direct(xi, yi, wi, 1);
+		if (code < 0)
+		    return code;
+	    } else
+		insert_x_new(yll, ll);
+	    yll = ynext;
+	}
+	/* Check whether we've reached the maximum y. */
+	if (y >= y_limit)
+	    break;
+	if (ll->x_list == 0) {	/* No active lines, skip to next start */
+	    if (yll == 0)
+		break;		/* no lines left */
+	    y = yll->start.y;
+	    continue;
+	}
+	/* Find the next evaluation point. */
+	/* Start by finding the smallest y value */
+	/* at which any currently active line ends */
+	/* (or the next to-be-active line begins). */
+	y1 = (yll != 0 ? yll->start.y : y_limit);
+	/* Make sure we don't exceed the maximum band height. */
+	{
+	    fixed y_band = y | ~band_mask;
+
+	    if (y1 > y_band)
+		y1 = y_band + 1;
+	}
+	for (alp = ll->x_list; alp != 0; alp = alp->next)
+	    if (alp->end.y < y1)
+		y1 = alp->end.y;
+#ifdef DEBUG
+	if (gs_debug_c('F')) {
+	    dlprintf2("[F]before loop: y=%f y1=%f:\n",
+		      fixed2float(y), fixed2float(y1));
+	    print_line_list(ll->x_list);
+	}
+#endif
+	/* Now look for line intersections before y1. */
+	x = min_fixed;
+#define have_pixels()\
+  (fixed_pixround(y - adjust_below) < fixed_pixround(y1 + adjust_above))
+	draw = (have_pixels()? 1 : -1);
+	/*
+	 * Loop invariants:
+	 *      alp = endp->next;
+	 *      for all lines lp from stopx up to alp,
+	 *        lp->x_next = al_x_at_y(lp, y1).
+	 */
+	for (alp = stopx = ll->x_list;
+	     INCR_EXPR(find_y), alp != 0;
+	     endp = alp, alp = alp->next
+	    ) {
+	    fixed nx = al_x_at_y(alp, y1);
+	    fixed dx_old, dx_den;
+
+	    /* Check for intersecting lines. */
+	    if (nx >= x)
+		x = nx;
+	    else if
+		    (draw >= 0 &&	/* don't bother if no pixels */
+		     (dx_old = alp->x_current - endp->x_current) >= 0 &&
+		     (dx_den = dx_old + endp->x_next - nx) > dx_old
+		) {		/* Make a good guess at the intersection */
+		/* Y value using only local information. */
+		fixed dy = y1 - y, y_new;
+
+		if_debug3('f', "[f]cross: dy=%g, dx_old=%g, dx_new=%g\n",
+			  fixed2float(dy), fixed2float(dx_old),
+			  fixed2float(dx_den - dx_old));
+		/* Do the computation in single precision */
+		/* if the values are small enough. */
+		y_new =
+		    ((dy | dx_old) < 1L << (size_of(fixed) * 4 - 1) ?
+		     dy * dx_old / dx_den :
+		     fixed_mult_quo(dy, dx_old, dx_den))
+		    + y;
+		/* The crossing value doesn't have to be */
+		/* very accurate, but it does have to be */
+		/* greater than y and less than y1. */
+		if_debug3('f', "[f]cross y=%g, y_new=%g, y1=%g\n",
+			  fixed2float(y), fixed2float(y_new),
+			  fixed2float(y1));
+		stopx = alp;
+		if (y_new <= y)
+		    y_new = y + 1;
+		if (y_new < y1) {
+		    y1 = y_new;
+		    nx = al_x_at_y(alp, y1);
+		    draw = 0;
+		}
+		if (nx > x)
+		    x = nx;
+	    }
+	    alp->x_next = nx;
+	}
+	/* Recompute next_x for lines before the intersection. */
+	for (alp = ll->x_list; alp != stopx; alp = alp->next)
+	    alp->x_next = al_x_at_y(alp, y1);
+#ifdef DEBUG
+	if (gs_debug_c('F')) {
+	    dlprintf1("[F]after loop: y1=%f\n", fixed2float(y1));
+	    print_line_list(ll->x_list);
+	}
+#endif
+	/* Fill a multi-trapezoid band for the active lines. */
+	/* Don't bother if no pixel centers lie within the band. */
+	if (draw > 0 || (draw == 0 && have_pixels())) {
+
+/*******************************************************************/
+/* For readability, we start indenting from the left margin again. */
+/*******************************************************************/
+
+	    fixed height = y1 - y;
+	    fixed xlbot, xltop;	/* as of last "outside" line */
+	    int inside = 0;
+	    active_line *nlp;
+
+	    INCR(band);
+	    for (x = min_fixed, alp = ll->x_list; alp != 0; alp = nlp) {
+		fixed xbot = alp->x_current;
+		fixed xtop = alp->x_current = alp->x_next;
+
+#define nx xtop
+		fixed wtop;
+		int xi, xli;
+		int code;
+
+		print_al("step", alp);
+		INCR(band_step);
+		nlp = alp->next;
+		/* Handle ended or out-of-order lines.  After this, */
+		/* the only member of alp we use is alp->direction. */
+		if (alp->end.y != y1 || !end_x_line(alp)) {
+		    if (nx <= x)
+			resort_x_line(alp);
+		    else
+			x = nx;
+		}
+#undef nx
+		/* rule = -1 for winding number rule, i.e. */
+		/* we are inside if the winding number is non-zero; */
+		/* rule = 1 for even-odd rule, i.e. */
+		/* we are inside if the winding number is odd. */
+#define inside_path_p() ((inside & rule) != 0)
+		if (!inside_path_p()) {		/* i.e., outside */
+		    inside += alp->direction;
+		    if (inside_path_p())	/* about to go in */
+			xlbot = xbot, xltop = xtop;
+		    continue;
+		}
+		/* We're inside a region being filled. */
+		inside += alp->direction;
+		if (inside_path_p())	/* not about to go out */
+		    continue;
+#undef inside_path_p
+		/* We just went from inside to outside, so fill the region. */
+		wtop = xtop - xltop;
+		INCR(band_fill);
+		/* If lines are temporarily out of */
+		/* order, wtop might be negative. */
+		/* Patch this up now. */
+		if (wtop < 0) {
+		    if_debug2('f', "[f]patch %g,%g\n",
+			      fixed2float(xltop), fixed2float(xtop));
+		    xtop = xltop += arith_rshift(wtop, 1);
+		    wtop = 0;
+		}
+		if ((adjust_left | adjust_right) != 0) {
+		    xlbot -= adjust_left;
+		    xbot += adjust_right;
+		    xltop -= adjust_left;
+		    xtop += adjust_right;
+		    wtop = xtop - xltop;
+		}
+		if ((xli = fixed2int_var_pixround(xltop)) ==
+		    fixed2int_var_pixround(xlbot) &&
+		    (xi = fixed2int_var_pixround(xtop)) ==
+		    fixed2int_var_pixround(xbot)
+		    ) {		/* Rectangle. */
+		    int yi = fixed2int_pixround(y - adjust_below);
+		    int wi = fixed2int_pixround(y1 + adjust_above) - yi;
+
+		    code = loop_fill_rectangle_direct(xli, yi,
+						      xi - xli, wi);
+		} else if ((adjust_below | adjust_above) != 0) {	/*
+									 * We want to get the effect of filling an area whose
+									 * outline is formed by dragging a square of side adj2
+									 * along the border of the trapezoid.  This is *not*
+									 * equivalent to simply expanding the corners by
+									 * adjust: There are 3 cases needing different
+									 * algorithms, plus rectangles as a fast special case.
+									 */
+		    fixed wbot = xbot - xlbot;
+
+		    if (xltop <= xlbot) {
+			if (xtop >= xbot) {	/* Top wider than bottom. */
+			    code = loop_fill_trapezoid_fixed(
+					      xlbot, wbot, y - adjust_below,
+						       xltop, wtop, height);
+			    if (adjusted_y_spans_pixel(y1)) {
+				if (code < 0)
+				    return code;
+				INCR(afill);
+				code = loop_fill_rectangle_direct(
+				 xli, fixed2int_pixround(y1 - adjust_below),
+				     fixed2int_var_pixround(xtop) - xli, 1);
+			    }
+			} else {	/* Slanted trapezoid. */
+			    code = fill_slant_adjust(xlbot, xbot, y,
+					  xltop, xtop, height, adjust_below,
+						     adjust_above, pbox,
+						     pdevc, dev, lop);
+			}
+		    } else {
+			if (xtop <= xbot) {	/* Bottom wider than top. */
+			    if (adjusted_y_spans_pixel(y)) {
+				INCR(afill);
+				xli = fixed2int_var_pixround(xlbot);
+				code = loop_fill_rectangle_direct(
+				  xli, fixed2int_pixround(y - adjust_below),
+				     fixed2int_var_pixround(xbot) - xli, 1);
+				if (code < 0)
+				    return code;
+			    }
+			    code = loop_fill_trapezoid_fixed(
+					      xlbot, wbot, y + adjust_above,
+						       xltop, wtop, height);
+			} else {	/* Slanted trapezoid. */
+			    code = fill_slant_adjust(xlbot, xbot, y,
+					  xltop, xtop, height, adjust_below,
+						     adjust_above, pbox,
+						     pdevc, dev, lop);
+			}
+		    }
+		} else		/* No Y adjustment. */
+		    code = loop_fill_trapezoid_fixed(xlbot, xbot - xlbot,
+						     y, xltop, wtop, height);
+		if (code < 0)
+		    return code;
+	    }
+
+/**************************************************************/
+/* End of section requiring less indentation for readability. */
+/**************************************************************/
+
+	} else {		/* Just scan for ended or out-of-order lines. */
+	    active_line *nlp;
+
+	    for (x = min_fixed, alp = ll->x_list; alp != 0;
+		 alp = nlp
+		) {
+		fixed nx = alp->x_current = alp->x_next;
+
+		nlp = alp->next;
+		if_debug4('F',
+			  "[F]check 0x%lx,x=%g 0x%lx,x=%g\n",
+			  (ulong) alp->prev, fixed2float(x),
+			  (ulong) alp, fixed2float(nx));
+		if (alp->end.y == y1) {
+		    if (end_x_line(alp))
+			continue;
+		}
+		if (nx <= x)
+		    resort_x_line(alp);
+		else
+		    x = nx;
+	    }
+	}
+#ifdef DEBUG
+	if (gs_debug_c('f')) {
+	    int code = check_line_list(ll->x_list);
+
+	    if (code < 0)
+		return code;
+	}
+#endif
+	y = y1;
+    }
+    return 0;
+}
+
+/*
+ * Handle the case of a slanted trapezoid with adjustment.
+ * To do this exactly right requires filling a central trapezoid
+ * (or rectangle) plus two horizontal almost-rectangles.
+ */
+private int
+fill_slant_adjust(fixed xlbot, fixed xbot, fixed y,
+		  fixed xltop, fixed xtop, fixed height, fixed adjust_below,
+		  fixed adjust_above, const gs_fixed_rect * pbox,
+		  const gx_device_color * pdevc, gx_device * dev,
+		  gs_logical_operation_t lop)
+{
+    fixed y1 = y + height;
+
+    dev_proc_fill_trapezoid((*fill_trap)) =
+	dev_proc(dev, fill_trapezoid);
+    const fixed yb = y - adjust_below;
+    const fixed ya = y + adjust_above;
+    const fixed y1b = y1 - adjust_below;
+    const fixed y1a = y1 + adjust_above;
+    const gs_fixed_edge *plbot;
+    const gs_fixed_edge *prbot;
+    const gs_fixed_edge *pltop;
+    const gs_fixed_edge *prtop;
+    gs_fixed_edge vert_left, slant_left, vert_right, slant_right;
+    int code;
+
+    INCR(slant);
+
+    /* Set up all the edges, even though we may not need them all. */
+
+    if (xlbot < xltop) {	/* && xbot < xtop */
+	vert_left.start.x = vert_left.end.x = xlbot;
+	vert_left.start.y = yb, vert_left.end.y = ya;
+	vert_right.start.x = vert_right.end.x = xtop;
+	vert_right.start.y = y1b, vert_right.end.y = y1a;
+	slant_left.start.y = ya, slant_left.end.y = y1a;
+	slant_right.start.y = yb, slant_right.end.y = y1b;
+	plbot = &vert_left, prbot = &slant_right,
+	    pltop = &slant_left, prtop = &vert_right;
+    } else {
+	vert_left.start.x = vert_left.end.x = xltop;
+	vert_left.start.y = y1b, vert_left.end.y = y1a;
+	vert_right.start.x = vert_right.end.x = xbot;
+	vert_right.start.y = yb, vert_right.end.y = ya;
+	slant_left.start.y = yb, slant_left.end.y = y1b;
+	slant_right.start.y = ya, slant_right.end.y = y1a;
+	plbot = &slant_left, prbot = &vert_right,
+	    pltop = &vert_left, prtop = &slant_right;
+    }
+    slant_left.start.x = xlbot, slant_left.end.x = xltop;
+    slant_right.start.x = xbot, slant_right.end.x = xtop;
+
+    if (ya >= y1b) {		/*
+				 * The upper and lower adjustment bands overlap.
+				 * Since the entire entity is less than 2 pixels high
+				 * in this case, we could handle it very efficiently
+				 * with no more than 2 rectangle fills, but for right now
+				 * we don't attempt to do this.
+				 */
+	int iyb = fixed2int_var_pixround(yb);
+	int iya = fixed2int_var_pixround(ya);
+	int iy1b = fixed2int_var_pixround(y1b);
+	int iy1a = fixed2int_var_pixround(y1a);
+
+	INCR(slant_shallow);
+	if (iy1b > iyb) {
+	    code = (*fill_trap) (dev, plbot, prbot,
+				 yb, y1b, false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	}
+	if (iya > iy1b) {
+	    int ix = fixed2int_var_pixround(vert_left.start.x);
+	    int iw = fixed2int_var_pixround(vert_right.start.x) - ix;
+
+	    code = loop_fill_rectangle(ix, iy1b, iw, iya - iy1b);
+	    if (code < 0)
+		return code;
+	}
+	if (iy1a > iya)
+	    code = (*fill_trap) (dev, pltop, prtop,
+				 ya, y1a, false, pdevc, lop);
+	else
+	    code = 0;
+    } else {			/*
+				 * Clip the trapezoid if possible.  This can save a lot
+				 * of work when filling paths that cross band boundaries.
+				 */
+	fixed yac;
+
+	if (pbox->p.y < ya) {
+	    code = (*fill_trap) (dev, plbot, prbot,
+				 yb, ya, false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	    yac = ya;
+	} else
+	    yac = pbox->p.y;
+	if (pbox->q.y > y1b) {
+	    code = (*fill_trap) (dev, &slant_left, &slant_right,
+				 yac, y1b, false, pdevc, lop);
+	    if (code < 0)
+		return code;
+	    code = (*fill_trap) (dev, pltop, prtop,
+				 y1b, y1a, false, pdevc, lop);
+	} else
+	    code = (*fill_trap) (dev, &slant_left, &slant_right,
+				 yac, pbox->q.y, false, pdevc, lop);
+    }
+    return code;
+}
+
+/* Re-sort the x list by moving alp backward to its proper spot. */
+private void
+resort_x_line(active_line * alp)
+{
+    active_line *prev = alp->prev;
+    active_line *next = alp->next;
+    fixed nx = alp->x_current;
+
+    prev->next = next;
+    if (next)
+	next->prev = prev;
+    while (!x_precedes(prev, alp, nx)) {
+	if_debug2('f', "[f]swap 0x%lx,0x%lx\n",
+		  (ulong) alp, (ulong) prev);
+	next = prev, prev = prev->prev;
+    }
+    alp->next = next;
+    alp->prev = prev;
+    /* next might be null, if alp was in */
+    /* the correct spot already. */
+    if (next)
+	next->prev = alp;
+    prev->next = alp;
+}
diff --git a/pstoraster/gxfixed.h b/pstoraster/gxfixed.h
new file mode 100644
index 000000000..fcd334e81
--- /dev/null
+++ b/pstoraster/gxfixed.h
@@ -0,0 +1,248 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Fixed-point arithmetic for Ghostscript */
+
+#ifndef gxfixed_INCLUDED
+#  define gxfixed_INCLUDED
+
+/*
+ * Coordinates are generally represented internally by fixed-point
+ * quantities: integers lose accuracy in crucial places,
+ * and floating point arithmetic is slow.
+ */
+typedef long fixed;
+typedef ulong ufixed;		/* only used in a very few places */
+
+#define max_fixed max_long
+#define min_fixed min_long
+#define fixed_0 0L
+#define fixed_epsilon 1L
+/*
+ * 12 bits of fraction provides both the necessary accuracy and
+ * a sufficiently large range of coordinates.
+ */
+#define _fixed_shift 12
+#define fixed_fraction_bits _fixed_shift
+#define fixed_int_bits (sizeof(fixed) * 8 - _fixed_shift)
+#define fixed_scale (1<<_fixed_shift)
+#define _fixed_rshift(x) arith_rshift(x,_fixed_shift)
+#define _fixed_round_v (fixed_scale>>1)
+#define _fixed_fraction_v (fixed_scale-1)
+/*
+ * We use a center-of-pixel filling rule; Adobe specifies that coordinates
+ * designate half-open regions.  Because of this, we need special rounding
+ * to go from a coordinate to the pixel it falls in.  We use the term
+ * "pixel rounding" for this kind of rounding.
+ */
+#define _fixed_pixround_v (_fixed_round_v - fixed_epsilon)
+
+/*
+ * Most operations can be done directly on fixed-point quantities:
+ * addition, subtraction, shifting, multiplication or division by
+ * (integer) constants; assignment, assignment with zero;
+ * comparison, comparison against zero.
+ * Multiplication and division by floats is OK if the result is
+ * explicitly cast back to fixed.
+ * Conversion to and from int and float types must be done explicitly.
+ * Note that if we are casting a fixed to a float in a context where
+ * only ratios and not actual values are involved, we don't need to take
+ * the scale factor into account: we can simply cast to float directly.
+ */
+#define int2fixed(i) ((fixed)(i)<<_fixed_shift)
+/* Define some useful constants. */
+/* Avoid casts, so strict ANSI compilers will accept them in #ifs. */
+#define fixed_1 (fixed_epsilon << _fixed_shift)
+#define fixed_half (fixed_1 >> 1)
+/*
+ * On 16-bit systems, we can convert fixed variables to ints more efficiently
+ * than general fixed quantities.  For this reason, we define two separate
+ * sets of conversion macros.
+ */
+#define fixed2int(x) ((int)_fixed_rshift(x))
+#define fixed2int_rounded(x) ((int)_fixed_rshift((x)+_fixed_round_v))
+#define fixed2int_ceiling(x) ((int)_fixed_rshift((x)+_fixed_fraction_v))
+#define fixed_pre_pixround(x) ((x)+_fixed_pixround_v)
+#define fixed2int_pixround(x) fixed2int(fixed_pre_pixround(x))
+#define fixed_is_int(x) !((x)&_fixed_fraction_v)
+#if arch_ints_are_short & !arch_is_big_endian
+/* Do some of the shifting and extraction ourselves. */
+#  define _fixed_hi(x) *((uint *)&(x)+1)
+#  define _fixed_lo(x) *((uint *)&(x))
+#  define fixed2int_var(x)\
+	((int)((_fixed_hi(x) << (16-_fixed_shift)) +\
+	       (_fixed_lo(x) >> _fixed_shift)))
+#  define fixed2int_var_rounded(x)\
+	((int)((_fixed_hi(x) << (16-_fixed_shift)) +\
+	       (((_fixed_lo(x) >> (_fixed_shift-1))+1)>>1)))
+#  define fixed2int_var_ceiling(x)\
+	(fixed2int_var(x) -\
+	 arith_rshift((int)-(_fixed_lo(x) & _fixed_fraction_v), _fixed_shift))
+#else
+/* Use reasonable definitions. */
+#  define fixed2int_var(x) fixed2int(x)
+#  define fixed2int_var_rounded(x) fixed2int_rounded(x)
+#  define fixed2int_var_ceiling(x) fixed2int_ceiling(x)
+#endif
+#define fixed2int_var_pixround(x) fixed2int_pixround(x)
+#define fixed2long(x) ((long)_fixed_rshift(x))
+#define fixed2long_rounded(x) ((long)_fixed_rshift((x)+_fixed_round_v))
+#define fixed2long_ceiling(x) ((long)_fixed_rshift((x)+_fixed_fraction_v))
+#define fixed2long_pixround(x) ((long)_fixed_rshift((x)+_fixed_pixround_v))
+#define float2fixed(f) ((fixed)((f)*(float)fixed_scale))
+/* Note that fixed2float actually produces a double result. */
+#define fixed2float(x) ((x)*(1.0/fixed_scale))
+
+/* Rounding and truncation on fixeds */
+#define fixed_floor(x) ((x)&(-1L<<_fixed_shift))
+#define fixed_rounded(x) (((x)+_fixed_round_v)&(-1L<<_fixed_shift))
+#define fixed_ceiling(x) (((x)+_fixed_fraction_v)&(-1L<<_fixed_shift))
+#define fixed_pixround(x) (((x)+_fixed_pixround_v)&(-1L<<_fixed_shift))
+#define fixed_fraction(x) ((int)(x)&_fixed_fraction_v)
+/* I don't see how to do truncation towards 0 so easily.... */
+#define fixed_truncated(x) ((x) < 0 ? fixed_ceiling(x) : fixed_floor(x))
+
+/* Define the largest and smallest integer values that fit in a fixed. */
+#if arch_sizeof_int == arch_sizeof_long
+#  define max_int_in_fixed fixed2int(max_fixed)
+#  define min_int_in_fixed fixed2int(min_fixed)
+#else
+#  define max_int_in_fixed max_int
+#  define min_int_in_fixed min_int
+#endif
+
+#ifdef USE_FPU
+#  define USE_FPU_FIXED (USE_FPU < 0 && arch_floats_are_IEEE && arch_sizeof_long == 4)
+#else
+#  define USE_FPU_FIXED 0
+#endif
+
+/*
+ * Define a procedure for computing a * b / c when b and c are non-negative,
+ * b < c, and a * b exceeds (or might exceed) the capacity of a long.
+ * It's really annoying that C doesn't provide any way to get at
+ * the double-length multiply/divide instructions that almost all hardware
+ * provides....
+ */
+
+#if USE_FPU_FIXED
+fixed fixed_mult_quo(P3(fixed A, fixed B, fixed C));
+
+#else
+#  define fixed_mult_quo(fixed_a, fixed_b, fixed_c)\
+    ((fixed)floor((double)(fixed_a) * (fixed_b) / (fixed_c)))
+#endif
+
+/*
+ * Transforming coordinates involves multiplying two floats, or a float
+ * and a double, and then converting the result to a fixed.  Since this
+ * operation is so common, we provide an alternative implementation of it
+ * on machines that use IEEE floating point representation but don't have
+ * floating point hardware.  The implementation may be in either C or
+ * assembler.
+ */
+
+/*
+ * set_fmul2fixed_vars(R, FA, FB, dtemp) computes R = FA * FB:
+ *      R is a fixed, FA and FB are floats (not doubles), and
+ *        dtemp is a temporary double.
+ * set_dfmul2fixed_vars(R, DA, FB, dtemp) computes R = DA * FB:
+ *      R is a fixed, DA is a double, FB is a float, and
+ *        dtemp is a temporary double.
+ * R, FA, FB, and DA must be variables, not expressions.
+ */
+#if USE_FPU_FIXED && arch_sizeof_short == 2
+int set_fmul2fixed_(P3(fixed *, long, long));
+
+#define set_fmul2fixed_vars(vr,vfa,vfb,dtemp)\
+  set_fmul2fixed_(&vr, *(long *)&vfa, *(long *)&vfb)
+int set_dfmul2fixed_(P4(fixed *, ulong, long, long));
+
+#  if arch_is_big_endian
+#  define set_dfmul2fixed_vars(vr,vda,vfb,dtemp)\
+     set_dfmul2fixed_(&vr, ((ulong *)&vda)[1], *(long *)&vfb, *(long *)&vda)
+#  else
+#  define set_dfmul2fixed_vars(vr,vda,vfb,dtemp)\
+     set_dfmul2fixed_(&vr, *(ulong *)&vda, *(long *)&vfb, ((long *)&vda)[1])
+#  endif
+#else /* don't bother */
+#  define set_fmul2fixed_vars(vr,vfa,vfb,dtemp)\
+     (dtemp = (vfa) * (vfb),\
+      (f_fits_in_bits(dtemp, fixed_int_bits) ? (vr = float2fixed(dtemp), 0) :\
+       gs_note_error(gs_error_limitcheck)))
+#  define set_dfmul2fixed_vars(vr,vda,vfb,dtemp)\
+     (dtemp = (vda) * (vfb),\
+      (f_fits_in_bits(dtemp, fixed_int_bits) ? (vr = float2fixed(dtemp), 0) :\
+       gs_note_error(gs_error_limitcheck)))
+#endif
+/*
+ * set_float2fixed_vars(R, F) does the equivalent of R = float2fixed(F):
+ *      R is a fixed, F is a float or a double.
+ * set_fixed2float_var(R, V) does the equivalent of R = fixed2float(V):
+ *      R is a float or a double, V is a fixed.
+ * set_ldexp_fixed2double(R, V, E) does the equivalent of R=ldexp((double)V,E):
+ *      R is a double, V is a fixed, E is an int.
+ * R and F must be variables, not expressions; V and E may be expressions.
+ */
+#if USE_FPU_FIXED
+int set_float2fixed_(P3(fixed *, long, int));
+int set_double2fixed_(P4(fixed *, ulong, long, int));
+
+# define set_float2fixed_vars(vr,vf)\
+    (sizeof(vf) == sizeof(float) ?\
+     set_float2fixed_(&vr, *(long *)&vf, fixed_fraction_bits) :\
+     set_double2fixed_(&vr, ((ulong *)&vf)[arch_is_big_endian],\
+		       ((long *)&vf)[1 - arch_is_big_endian],\
+		       fixed_fraction_bits))
+long fixed2float_(P2(fixed, int));
+void set_fixed2double_(P3(double *, fixed, int));
+
+# define set_fixed2float_var(vf,x)\
+    (sizeof(vf) == sizeof(float) ?\
+     (*(long *)&vf = fixed2float_(x, fixed_fraction_bits), 0) :\
+     (set_fixed2double_(&vf, x, fixed_fraction_bits), 0))
+#define set_ldexp_fixed2double(vd, x, exp)\
+  set_fixed2double_(&vd, x, -(exp))
+#else
+# define set_float2fixed_vars(vr,vf)\
+    (f_fits_in_bits(vf, fixed_int_bits) ? (vr = float2fixed(vf), 0) :\
+     gs_note_error(gs_error_limitcheck))
+# define set_fixed2float_var(vf,x)\
+    (vf = fixed2float(x), 0)
+# define set_ldexp_fixed2double(vd, x, exp)\
+    discard(vd = ldexp((double)(x), exp))
+#endif
+
+/* A point with fixed coordinates */
+typedef struct gs_fixed_point_s {
+    fixed x, y;
+} gs_fixed_point;
+
+/* A rectangle with fixed coordinates */
+typedef struct gs_fixed_rect_s {
+    gs_fixed_point p, q;
+} gs_fixed_rect;
+
+#endif /* gxfixed_INCLUDED */
diff --git a/pstoraster/gxfmap.h b/pstoraster/gxfmap.h
new file mode 100644
index 000000000..6f24952f4
--- /dev/null
+++ b/pstoraster/gxfmap.h
@@ -0,0 +1,105 @@
+/* Copyright (C) 1992, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Fraction map representation for Ghostscript */
+
+#ifndef gxfmap_INCLUDED
+#  define gxfmap_INCLUDED
+
+#include "gsrefct.h"
+#include "gxfrac.h"
+#include "gxtmap.h"
+
+/*
+ * Define a cached map from fracs to fracs.  Level 1 uses this only
+ * for the transfer function; level 2 also uses it for black generation
+ * and undercolor removal.  Note that reference counting macros must
+ * be used to allocate, free, and assign references to gx_transfer_maps.
+ *
+ * NOTE: proc and closure are redundant.  Eventually closure will replace
+ * proc.  For now, things are in an uneasy intermediate state where
+ * proc = 0 means use closure.
+ */
+/* log2... must not be greater than frac_bits, and must be least 8. */
+#define log2_transfer_map_size 8
+#define transfer_map_size (1 << log2_transfer_map_size)
+							/*typedef struct gx_transfer_map_s gx_transfer_map; *//* in gxtmap.h */
+struct gx_transfer_map_s {
+    rc_header rc;
+    gs_mapping_proc proc;	/* typedef is in gxtmap.h */
+    gs_mapping_closure_t closure;	/* SEE ABOVE */
+    /* The id changes whenever the map or function changes. */
+    gs_id id;
+    frac values[transfer_map_size];
+};
+
+extern_st(st_transfer_map);
+#define public_st_transfer_map() /* in gscolor.c */\
+  gs_public_st_composite(st_transfer_map, gx_transfer_map, "gx_transfer_map",\
+    transfer_map_enum_ptrs, transfer_map_reloc_ptrs)
+
+/*
+ * Map a color fraction through a transfer map.  If the map is small,
+ * we interpolate; if it is large, we don't, and save a lot of time.
+ */
+#define FRAC_MAP_INTERPOLATE (log2_transfer_map_size <= 8)
+#if FRAC_MAP_INTERPOLATE
+
+frac gx_color_frac_map(P2(frac, const frac *));		/* in gxcmap.c */
+
+#  define gx_map_color_frac(pgs,cf,m)\
+     gx_color_frac_map(cf, &pgs->m->values[0])
+
+#else /* !FRAC_MAP_INTERPOLATE */
+
+/* Do the lookup in-line. */
+#  define gx_map_color_frac(pgs,cf,m)\
+     (pgs->m->values[frac2bits(cf, log2_transfer_map_size)])
+
+#endif /* (!)FRAC_MAP_INTERPOLATE */
+
+/* Map a color fraction expressed as a byte through a transfer map. */
+/* (We don't use this anywhere right now.) */
+/****************
+#if log2_transfer_map_size <= 8
+#  define byte_to_tmx(b) ((b) >> (8 - log2_transfer_map_size))
+#else
+#  define byte_to_tmx(b)\
+	(((b) << (log2_transfer_map_size - 8)) +\
+	 ((b) >> (16 - log2_transfer_map_size)))
+#endif
+#define gx_map_color_frac_byte(pgs,b,m)\
+ (pgs->m->values[byte_to_tmx(b)])
+ ****************/
+
+/* Map a floating point value through a transfer map. */
+#define gx_map_color_float(pmap,v)\
+  ((pmap)->values[(int)((v) * transfer_map_size + 0.5)] / frac_1_float)
+
+/* Define a mapping procedure that just looks up the value in the cache. */
+/* (It is equivalent to gx_map_color_float with the arguments swapped.) */
+float gs_mapped_transfer(P2(floatp, const gx_transfer_map *));
+
+#endif /* gxfmap_INCLUDED */
diff --git a/pstoraster/gxfont.h b/pstoraster/gxfont.h
new file mode 100644
index 000000000..c8b562110
--- /dev/null
+++ b/pstoraster/gxfont.h
@@ -0,0 +1,224 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmatrix.h, gxdevice.h */
+
+#ifndef gxfont_INCLUDED
+#  define gxfont_INCLUDED
+
+#include "gsccode.h"
+#include "gsfont.h"
+#include "gsuid.h"
+#include "gsstruct.h"		/* for extern_st */
+#include "gxftype.h"
+
+/* A font object as seen by clients. */
+/* See the PostScript Language Reference Manual for details. */
+
+#ifndef gs_show_enum_DEFINED
+#  define gs_show_enum_DEFINED
+typedef struct gs_show_enum_s gs_show_enum;
+
+#endif
+
+/*
+ * Fonts are "objects" to a limited extent, in that some of their
+ * behavior is provided by a record of procedures in the font.
+ * However, adding new types of fonts (subclasses) is not supported well.
+ */
+
+typedef struct gs_font_procs_s {
+
+    /*
+     * Define any needed procedure for initializing the composite
+     * font stack in a show enumerator.  This is a no-op for
+     * all but composite fonts.
+     */
+
+#define font_proc_init_fstack(proc)\
+  int proc(P2(gs_show_enum *, gs_font *))
+    font_proc_init_fstack((*init_fstack));
+
+    /*
+     * Define the font's algorithm for getting the next character from
+     * a string being shown.  This is trivial, except for composite fonts.
+     * Returns 0 if the current (base) font didn't change,
+     * 1 if it did change, 2 if there are no more characters,
+     * or an error code.
+     *
+     * This procedure is OBSOLETE as of release 4.61, superseded by
+     * next_glyph; however, we have to continue supporting it for
+     * backward compatibility.
+     */
+
+#define font_proc_next_char(proc)\
+  int proc(P2(gs_show_enum *, gs_char *))
+    font_proc_next_char((*next_char));
+
+    /* A client-supplied character encoding procedure. */
+
+#define font_proc_encode_char(proc)\
+  gs_glyph proc(P3(gs_show_enum *, gs_font *, gs_char *))
+    font_proc_encode_char((*encode_char));
+
+    /*
+     * A client-supplied BuildChar/BuildGlyph procedure.
+     * The gs_char may be gs_no_char (for BuildGlyph), or the gs_glyph
+     * may be gs_no_glyph (for BuildChar), but not both.
+     */
+
+#define font_proc_build_char(proc)\
+  int proc(P5(gs_show_enum *, gs_state *, gs_font *, gs_char, gs_glyph))
+    font_proc_build_char((*build_char));
+
+    /* Callback procedures for external font rasterizers */
+    /* (see gsccode.h for details.) */
+
+    gx_xfont_callbacks callbacks;
+    /*gs_proc_glyph_name((*glyph_name)); */
+
+    /*
+     * Define any special handling of gs_definefont.
+     * We break this out so it can be different for composite fonts.
+     */
+
+#define font_proc_define_font(proc)\
+  int proc(P2(gs_font_dir *, gs_font *))
+                       font_proc_define_font((*define_font));
+
+    /*
+     * Define any special handling of gs_makefont.
+     * We break this out so it can be different for composite fonts.
+     */
+
+#define font_proc_make_font(proc)\
+  int proc(P4(gs_font_dir *, const gs_font *, const gs_matrix *,\
+    gs_font **))
+                       font_proc_make_font((*make_font));
+
+    /*
+     * Define the font's algorithm for getting the next character or
+     * glyph from a string being shown.  We only use this if the
+     * next_char procedure is 0 (for backward compatibility).
+     */
+
+#define font_proc_next_glyph(proc)\
+  int proc(P3(gs_show_enum *, gs_char *, gs_glyph *))
+                       font_proc_next_glyph((*next_glyph));
+
+} gs_font_procs;
+
+/* Default font procedures */
+font_proc_init_fstack(gs_default_init_fstack);
+font_proc_next_char(gs_default_next_char);
+font_proc_encode_char(gs_no_encode_char);
+font_proc_build_char(gs_no_build_char);
+font_proc_define_font(gs_no_define_font);
+font_proc_make_font(gs_no_make_font);
+font_proc_make_font(gs_base_make_font);
+font_proc_next_glyph(gs_default_next_glyph);
+
+/* The font names are only needed for xfont lookup. */
+typedef struct gs_font_name_s {
+#define gs_font_name_max 47	/* must be >= 40 */
+    /* The +1 is so we can null-terminate for debugging printout. */
+    byte chars[gs_font_name_max + 1];
+    uint size;
+} gs_font_name;
+
+/*
+ * Define a generic font.  We include PaintType and StrokeWidth here because
+ * they affect rendering algorithms outside the Type 1 font machinery.
+ *
+ * ****** NOTE: If you define any subclasses of gs_font, you *must* define
+ * ****** the finalization procedure as gs_font_finalize.  Finalization
+ * ****** procedures are not automatically inherited.
+ */
+#define gs_font_common\
+	gs_font *next, *prev;		/* chain for original font list or */\
+					/* scaled font cache */\
+	gs_memory_t *memory;		/* allocator for this font */\
+	gs_font_dir *dir;		/* directory where registered */\
+	gs_font *base;			/* original (unscaled) base font */\
+	void *client_data;		/* additional client data */\
+	gs_matrix FontMatrix;\
+	font_type FontType;\
+	bool BitmapWidths;\
+	fbit_type ExactSize, InBetweenSize, TransformedChar;\
+	int WMode;			/* 0 or 1 */\
+	int PaintType;			/* PaintType for Type 1/4/42 fonts, */\
+					/* 0 for others */\
+	float StrokeWidth;		/* StrokeWidth for Type 1/4/42 */\
+					/* fonts (if present), 0 for others */\
+	gs_font_procs procs;\
+	/* We store both the FontDirectory key (key_name) and, */\
+	/* if present, the FontName (font_name). */\
+	gs_font_name key_name, font_name
+					/*typedef struct gs_font_s gs_font; *//* in gsfont.h and other places */
+struct gs_font_s {
+    gs_font_common;
+};
+
+extern_st(st_gs_font);		/* (abstract) */
+struct_proc_finalize(gs_font_finalize);		/* public for concrete subclasses */
+#define public_st_gs_font()	/* in gsfont.c */\
+  gs_public_st_complex_only(st_gs_font, gs_font, "gs_font",\
+    0, font_enum_ptrs, font_reloc_ptrs, gs_font_finalize)
+#define st_gs_font_max_ptrs 5
+#define private_st_gs_font_ptr()	/* in gsfont.c */\
+  gs_private_st_ptr(st_gs_font_ptr, gs_font *, "gs_font *",\
+    font_ptr_enum_ptrs, font_ptr_reloc_ptrs)
+#define st_gs_font_ptr_max_ptrs 1
+extern_st(st_gs_font_ptr_element);
+#define public_st_gs_font_ptr_element()	/* in gsfont.c */\
+  gs_public_st_element(st_gs_font_ptr_element, gs_font *, "gs_font *[]",\
+    font_ptr_element_enum_ptrs, font_ptr_element_reloc_ptrs, st_gs_font_ptr)
+
+/* Define a base (not composite) font. */
+#define gs_font_base_common\
+	gs_font_common;\
+	gs_rect FontBBox;\
+	gs_uid UID;\
+	int encoding_index;		/* 0=Std, 1=ISOLatin1, 2=Symbol, */\
+					/* 3=Dingbats, -1=other */\
+	int nearest_encoding_index	/* (may be >= 0 even if */\
+				/* encoding_index = -1) */
+#ifndef gs_font_base_DEFINED
+#  define gs_font_base_DEFINED
+typedef struct gs_font_base_s gs_font_base;
+
+#endif
+struct gs_font_base_s {
+    gs_font_base_common;
+};
+
+extern_st(st_gs_font_base);
+#define public_st_gs_font_base()	/* in gsfont.c */\
+  gs_public_st_suffix_add1_final(st_gs_font_base, gs_font_base,\
+    "gs_font_base", font_base_enum_ptrs, font_base_reloc_ptrs,\
+    gs_font_finalize, st_gs_font, UID.xvalues)
+#define st_gs_font_base_max_ptrs (st_gs_font_max_ptrs + 1)
+
+#endif /* gxfont_INCLUDED */
diff --git a/pstoraster/gxfont0.h b/pstoraster/gxfont0.h
new file mode 100644
index 000000000..4e56110d9
--- /dev/null
+++ b/pstoraster/gxfont0.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 0 (composite) font data definition */
+
+#ifndef gxfont0_INCLUDED
+#  define gxfont0_INCLUDED
+
+/* Define the composite font mapping types. */
+/* These numbers must be the same as the values of FMapType */
+/* in type 0 font dictionaries. */
+typedef enum {
+    fmap_8_8 = 2,
+    fmap_escape = 3,
+    fmap_1_7 = 4,
+    fmap_9_7 = 5,
+    fmap_SubsVector = 6,
+    fmap_double_escape = 7,
+    fmap_shift = 8,
+    fmap_CMap = 9
+} fmap_type;
+
+#define fmap_type_min 2
+#define fmap_type_max 9
+#define fmap_type_is_modal(fmt)\
+  ((fmt) == fmap_escape || (fmt) == fmap_double_escape || (fmt) == fmap_shift)
+
+/* This is the type-specific information for a type 0 (composite) gs_font. */
+#ifndef gs_cmap_DEFINED
+#  define gs_cmap_DEFINED
+typedef struct gs_cmap_s gs_cmap;
+
+#endif
+typedef struct gs_type0_data_s {
+    fmap_type FMapType;
+    byte EscChar, ShiftIn, ShiftOut;
+    gs_const_string SubsVector;	/* fmap_SubsVector only */
+    uint subs_size;		/* bytes per entry */
+    uint subs_width;		/* # of entries */
+    uint *Encoding;
+    uint encoding_size;
+    gs_font **FDepVector;
+    uint fdep_size;
+    const gs_cmap *CMap;	/* fmap_CMap only */
+} gs_type0_data;
+
+#define gs_type0_data_max_ptrs 3
+
+typedef struct gs_font_type0_s {
+    gs_font_common;
+    gs_type0_data data;
+} gs_font_type0;
+
+extern_st(st_gs_font_type0);
+#define public_st_gs_font_type0()	/* in gsfont0.c */\
+  gs_public_st_complex_only(st_gs_font_type0, gs_font_type0, "gs_font_type0",\
+    0, font_type0_enum_ptrs, font_type0_reloc_ptrs, gs_font_finalize)
+
+#endif /* gxfont0_INCLUDED */
diff --git a/pstoraster/gxfont1.h b/pstoraster/gxfont1.h
new file mode 100644
index 000000000..a19f76342
--- /dev/null
+++ b/pstoraster/gxfont1.h
@@ -0,0 +1,158 @@
+/* Copyright (C) 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 1 font data definition (including Type 2 charstrings) */
+
+#ifndef gxfont1_INCLUDED
+#  define gxfont1_INCLUDED
+
+
+/*
+ * This is the type-specific information for an Adobe Type 1 font.
+ * It also includes the information for Type 2 charstrings, because
+ * there isn't very much of it and it's less trouble to include here.
+ */
+
+#ifndef gs_font_type1_DEFINED
+#  define gs_font_type1_DEFINED
+typedef struct gs_font_type1_s gs_font_type1;
+
+#endif
+
+/*
+ * The zone_table values should be ints, according to the Adobe
+ * specification, but some fonts have arbitrary floats here.
+ */
+#define zone_table(size)\
+	struct {\
+		int count;\
+		float values[(size)*2];\
+	}
+#define float_array(size)\
+	struct {\
+		int count;\
+		float values[size];\
+	}
+#define stem_table(size)\
+	float_array(size)
+
+typedef struct gs_type1_data_s gs_type1_data;
+
+typedef struct gs_type1_data_procs_s {
+
+    /* Get the data for any glyph. */
+
+    int (*glyph_data) (P3(gs_font_type1 * pfont, gs_glyph glyph,
+			  gs_const_string * pgdata));
+
+    /* Get the data for a Subr. */
+
+    int (*subr_data) (P4(gs_font_type1 * pfont, int subr_num, bool global,
+			 gs_const_string * psdata));
+
+    /* Get the data for a seac character. */
+
+    int (*seac_data) (P3(gs_font_type1 * pfont, int ccode,
+			 gs_const_string * pcdata));
+
+    /*
+     * Get the next glyph.  index = 0 means return the first one; a
+     * returned index of 0 means the enumeration is finished.
+     */
+
+    int (*next_glyph) (P3(gs_font_type1 * pfont, int *pindex,
+			  gs_glyph * pglyph));
+
+    /* Push (a) value(s) onto the client ('PostScript') stack. */
+
+    int (*push) (P3(gs_font_type1 * pfont, const fixed * values, int count));
+
+    /* Pop a value from the client stack. */
+
+    int (*pop) (P2(gs_font_type1 * pfont, fixed * value));
+
+} gs_type1_data_procs_t;
+
+/*
+ * The garbage collector really doesn't want the client data pointer
+ * from a gs_type1_state to point to the gs_type1_data in the middle of
+ * a gs_font_type1, so we make the client data pointer (which is passed
+ * to the callback procedures) point to the gs_font_type1 itself.
+ */
+struct gs_type1_data_s {
+    /*int PaintType; *//* in gs_font_common */
+    int CharstringType;		/* 1 or 2 */
+    const gs_type1_data_procs_t *procs;
+    void *proc_data;		/* data for procs */
+    int lenIV;			/* -1 means no encryption */
+    /* (undocumented feature!) */
+    uint subroutineNumberBias;	/* added to operand of callsubr */
+    /* (undocumented feature!) */
+    /* Type 2 charstring additions */
+    uint gsubrNumberBias;	/* added to operand of callgsubr */
+    long initialRandomSeed;
+    fixed defaultWidthX;
+    fixed nominalWidthX;
+    /* For a description of the following hint information, */
+    /* see chapter 5 of the "Adobe Type 1 Font Format" book. */
+    int BlueFuzz;
+    float BlueScale;
+    float BlueShift;
+#define max_BlueValues 7
+          zone_table(max_BlueValues) BlueValues;
+    float ExpansionFactor;
+    bool ForceBold;
+#define max_FamilyBlues 7
+         zone_table(max_FamilyBlues) FamilyBlues;
+#define max_FamilyOtherBlues 5
+         zone_table(max_FamilyOtherBlues) FamilyOtherBlues;
+    int LanguageGroup;
+#define max_OtherBlues 5
+        zone_table(max_OtherBlues) OtherBlues;
+    bool RndStemUp;
+         stem_table(1) StdHW;
+         stem_table(1) StdVW;
+#define max_StemSnap 12
+         stem_table(max_StemSnap) StemSnapH;
+         stem_table(max_StemSnap) StemSnapV;
+    /* Additional information for Multiple Master fonts */
+#define max_WeightVector 16
+         float_array(max_WeightVector) WeightVector;
+};
+
+#define gs_type1_data_s_DEFINED
+
+struct gs_font_type1_s {
+    gs_font_base_common;
+    gs_type1_data data;
+};
+
+extern_st(st_gs_font_type1);
+#define public_st_gs_font_type1()	/* in gstype1.c */\
+  gs_public_st_suffix_add1_final(st_gs_font_type1, gs_font_type1,\
+    "gs_font_type1", font_type1_enum_ptrs, font_type1_reloc_ptrs,\
+    gs_font_finalize, st_gs_font_base, data.proc_data)
+
+#endif /* gxfont1_INCLUDED */
diff --git a/pstoraster/gxfont42.h b/pstoraster/gxfont42.h
new file mode 100644
index 000000000..dd9b5152d
--- /dev/null
+++ b/pstoraster/gxfont42.h
@@ -0,0 +1,72 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 42 font data definition */
+
+#ifndef gxfont42_INCLUDED
+#  define gxfont42_INCLUDED
+
+/* This is the type-specific information for a Type 42 (TrueType) font. */
+
+typedef struct gs_type42_data_s gs_type42_data;
+
+#ifndef gs_font_type42_DEFINED
+#  define gs_font_type42_DEFINED
+typedef struct gs_font_type42_s gs_font_type42;
+
+#endif
+struct gs_type42_data_s {
+    /* The following are set by the client. */
+    int (*string_proc) (P4(gs_font_type42 *, ulong, uint, const byte **));
+    void *proc_data;		/* data for procedures */
+    /* The following are initialized by ...font_init, */
+    /* but may be reset by the client. */
+    int (*get_outline) (P3(gs_font_type42 *, uint, gs_const_string *));
+    /* The following are cached values. */
+    ulong glyf;			/* offset to glyf table */
+    uint unitsPerEm;		/* from head */
+    uint indexToLocFormat;	/* from head */
+    uint numLongMetrics;	/* from hhea */
+    ulong hmtx;			/* offset to hmtx table */
+    uint hmtx_length;		/* length of hmtx table */
+    ulong loca;			/* offset to loca table */
+};
+struct gs_font_type42_s {
+    gs_font_base_common;
+    gs_type42_data data;
+};
+
+extern_st(st_gs_font_type42);
+#define public_st_gs_font_type42()	/* in gstype42.c */\
+  gs_public_st_suffix_add1_final(st_gs_font_type42, gs_font_type42,\
+    "gs_font_type42", font_type42_enum_ptrs, font_type42_reloc_ptrs,\
+    gs_font_finalize, st_gs_font_base, data.proc_data)
+
+/* Because a Type 42 font contains so many cached values, */
+/* we provide a procedure to initialize them from the font data. */
+/* Note that this initializes get_outline as well. */
+int gs_type42_font_init(P1(gs_font_type42 *));
+
+#endif /* gxfont42_INCLUDED */
diff --git a/pstoraster/gxfrac.h b/pstoraster/gxfrac.h
new file mode 100644
index 000000000..aaa4500e7
--- /dev/null
+++ b/pstoraster/gxfrac.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 1992, 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Fraction representation for Ghostscript */
+
+#ifndef gxfrac_INCLUDED
+#  define gxfrac_INCLUDED
+
+/*
+ * Represent a fraction in [0.0..1.0].
+ * Note that the 1.0 endpoint is included.
+ * Since undercolor removal requires a signed frac,
+ * we limit fracs to 15 bits rather than 16.
+ */
+typedef short frac;
+typedef short signed_frac;
+
+#define arch_log2_sizeof_frac arch_log2_sizeof_short
+#define arch_sizeof_frac arch_sizeof_short
+#define frac_bits 15
+#define frac_0 ((frac)0)
+/* The following definition of frac_1 allows exact representation of */
+/* almost all common fractions (e.g., N/360 for 0<=N<=360). */
+#define frac_1_0bits 3
+#define frac_1 ((frac)0x7ff8)
+#define frac_1_long ((long)frac_1)
+#define frac_1_float ((float)frac_1)
+/* Conversion between fracs and floats. */
+#define frac2float(fr) ((fr) / frac_1_float)
+#define float2frac(fl) ((frac)(((fl) + 0.5 / frac_1_float) * frac_1_float))
+
+/*
+ * Conversion between unsigned fracs and bytes (or, in general,
+ * shorter integers) representing fractions. This is highly dependent
+ * on the definition of frac_1 above.
+ */
+#define _frac2s(fr)\
+  (((fr) >> (frac_bits - frac_1_0bits)) + (fr))
+#define frac2bits(fr, nb)\
+  ((uint)(_frac2s(fr) >> (frac_bits - (nb))))
+#define frac2byte(fr) ((byte)frac2bits(fr, 8))
+/* bits2frac requires frac_bits / 2 <= nb <= frac_bits. */
+#define bits2frac(v, nb) ((frac)(\
+  ((frac)(v) << (frac_bits - (nb))) +\
+   ((v) >> ((nb) * 2 - frac_bits)) -\
+   ((v) >> ((nb) - frac_1_0bits)) ))
+#define byte2frac(b) bits2frac(b, 8)
+/* Produce a result that is guaranteed to convert back to a frac */
+/* not exceeding the original value fr. */
+#define frac2bits_floor(fr, nb)\
+  ((uint)((_frac2s(fr) - (_frac2s(fr) >> (nb))) >> (frac_bits - (nb))))
+/*
+ * Conversion between fracs and unsigned shorts.
+ */
+#define ushort_bits (arch_sizeof_short * 8)
+#define frac2ushort(fr) ((ushort)(\
+  ((fr) << (ushort_bits - frac_bits)) +\
+  ((fr) >> (frac_bits * 2 - ushort_bits - frac_1_0bits)) ))
+#define ushort2frac(us) ((frac)(\
+  ((us) >> (ushort_bits - frac_bits)) -\
+  ((us) >> (ushort_bits - frac_1_0bits)) ))
+/*
+ * Compute the quotient Q = floor(P / frac_1),
+ * where P is the (ulong) product of a uint or ushort V and a frac F.
+ * See gxarith.h for the underlying algorithm.
+ */
+#define frac_1_quo(p)\
+  ( (((p) >> frac_1_0bits) + ((p) >> frac_bits) + 1) >> (frac_bits - frac_1_0bits) )
+/*
+ * Compute the remainder similarly, having already computed the quotient.
+ * This is, of course, P - Q * frac_1.
+ */
+#define frac_1_rem(p, q)\
+  ((frac)( (uint)(p) - ((q) << frac_bits) + ((q) << frac_1_0bits) ))
+
+#endif /* gxfrac_INCLUDED */
diff --git a/pstoraster/gxftype.h b/pstoraster/gxftype.h
new file mode 100644
index 000000000..13c32c41d
--- /dev/null
+++ b/pstoraster/gxftype.h
@@ -0,0 +1,57 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of font type and bitmap font behavior */
+
+#ifndef gxftype_INCLUDED
+#  define gxftype_INCLUDED
+
+/* Define the known font types. */
+/* These numbers must be the same as the values of FontType */
+/* in font dictionaries. */
+typedef enum {
+    ft_composite = 0,
+    ft_encrypted = 1,
+    ft_CFF = 2,
+    ft_user_defined = 3,
+    ft_disk_based = 4,
+    ft_CID_encrypted = 9,	/* CIDFontType 0 */
+    ft_CID_user_defined = 10,	/* CIDFontType 1 */
+    ft_CID_TrueType = 11,	/* CIDFontType 2 */
+    ft_Chameleon = 14,
+    ft_CID_bitmap = 32,		/* CIDFontType 4 */
+    ft_TrueType = 42
+} font_type;
+
+/* Define the bitmap font behaviors. */
+/* These numbers must be the same as the values of the ExactSize, */
+/* InBetweenSize, and TransformedChar entries in font dictionaries. */
+typedef enum {
+    fbit_use_outlines = 0,
+    fbit_use_bitmaps = 1,
+    fbit_transform_bitmaps = 2
+} fbit_type;
+
+#endif /* gxftype_INCLUDED */
diff --git a/pstoraster/gxfunc.h b/pstoraster/gxfunc.h
new file mode 100644
index 000000000..c199bb1ef
--- /dev/null
+++ b/pstoraster/gxfunc.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for Functions */
+
+#ifndef gxfunc_INCLUDED
+#  define gxfunc_INCLUDED
+
+#include "gsfunc.h"
+#include "gsstruct.h"
+
+/* ---------------- Types and structures ---------------- */
+
+/* Define the generic Function structure type.  This is never instantiated. */
+extern_st(st_function);
+#define public_st_function()	/* in gsfunc.c */\
+  gs_public_st_ptrs2(st_function, gs_function_t, "gs_function_t",\
+    function_enum_ptrs, function_reloc_ptrs, params.Domain, params.Range)
+
+/* ---------------- Internal procedures ---------------- */
+
+/* Generic free_params implementation. */
+void fn_common_free_params(P2(gs_function_params_t * params, gs_memory_t * mem));
+
+/* Generic free implementation. */
+void fn_common_free(P3(gs_function_t * pfn, bool free_params, gs_memory_t * mem));
+
+/* Free an array of subsidiary Functions. */
+void fn_free_functions(P3(gs_function_t ** Functions, int count, gs_memory_t * mem));
+
+/* Check the values of m, n, Domain, and (if supplied) Range. */
+int fn_check_mnDR(P3(const gs_function_params_t * params, int m, int n));
+
+#endif /* gxfunc_INCLUDED */
diff --git a/pstoraster/gxgetbit.h b/pstoraster/gxgetbit.h
new file mode 100644
index 000000000..5bc8bc06b
--- /dev/null
+++ b/pstoraster/gxgetbit.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface for get_bits_rectangle driver procedure */
+
+#ifndef gxgetbit_INCLUDED
+#  define gxgetbit_INCLUDED
+
+#include "gxbitfmt.h"
+
+/* The parameter record typedef is also in gxdevcli.h. */
+#ifndef gs_get_bits_params_DEFINED
+#  define gs_get_bits_params_DEFINED
+typedef struct gs_get_bits_params_s gs_get_bits_params_t;
+#endif
+
+/*
+ * We define the options for get_bits_rectangle here in a separate file
+ * so that the great majority of driver implementors and clients, which
+ * don't care about the details, don't need to be recompiled if the set
+ * of options changes.
+ */
+typedef gx_bitmap_format_t gs_get_bits_options_t;
+
+/*
+ * Define the parameter record passed to get_bits_rectangle.
+ * get_bits_rectangle may update members of this structure if
+ * the options allow it to choose their values, and always updates options
+ * to indicate what options were actually used (1 option per group).
+ */
+struct gs_get_bits_params_s {
+    gs_get_bits_options_t options;
+    byte *data[32];
+    int x_offset;		/* in returned data */
+    uint raster;
+};
+
+/*
+ * gx_bitmap_format_t defines the options passed to get_bits_rectangle,
+ * which indicate which formats are acceptable for the returned data.  If
+ * successful, get_bits_rectangle sets the options member of the parameter
+ * record to indicate what options were chosen -- 1 per group, and never the
+ * _ANY option.  Note that the chosen option is not necessarily one that
+ * appeared in the original options: for example, if GB_RASTER_ANY is the
+ * only raster option originally set, the chosen option will be
+ * GB_RASTER_STANDARD or GB_RASTER_SPECIFIED.
+ *
+ * If the options mask is 0, get_bits_rectangle must set it to the
+ * complete set of supported options and return an error.  This allows
+ * clients to determine what options are supported without actually doing
+ * a transfer.
+ *
+ * All devices must support at least one option in each group, and must
+ * support GB_COLORS_NATIVE.
+ *
+ * NOTE: the current default implementation supports only the following
+ * options in their respective groups (i.e., any other options must be
+ * supported directly by the device):
+ *      GB_DEPTH_8
+ *      GB_PACKING_CHUNKY
+ *      GB_RETURN_COPY
+ * The current default implementation also requires that all devices
+ * support GB_PACKING_CHUNKY.  */
+
+/* ---------------- Procedures ---------------- */
+
+/* Try to implement get_bits_rectangle by returning a pointer. */
+int gx_get_bits_return_pointer(P6(gx_device * dev, int x, int h,
+				  gs_get_bits_params_t * params,
+				  gs_get_bits_options_t stored,
+				  byte * stored_base));
+
+/* Implement get_bits_rectangle by copying. */
+int gx_get_bits_copy(P8(gx_device * dev, int x, int w, int h,
+			gs_get_bits_params_t * params,
+			gs_get_bits_options_t stored,
+			const byte * src_base, uint dev_raster));
+
+#endif /* gxgetbit_INCLUDED */
diff --git a/pstoraster/gxhint1.c b/pstoraster/gxhint1.c
new file mode 100644
index 000000000..a5f005fb5
--- /dev/null
+++ b/pstoraster/gxhint1.c
@@ -0,0 +1,275 @@
+/* Copyright (C) 1990, 1992, 1993, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Font level hints for Type 1 fonts */
+#include "gx.h"
+#include "gserrors.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+
+/* Define whether to use font hints. */
+/* Only set this to false for debugging the hint machinery. */
+static bool USE_HINTS = true;
+
+/* ------ Initialization ------ */
+
+typedef zone_table(1) a_zone_table;
+typedef stem_table(1) a_stem_table;
+private void
+    compute_snaps(P6(const gs_matrix_fixed *, const a_stem_table *,
+		     stem_snap_table *, int, int, const char *));
+private alignment_zone *
+    compute_zones(P6(const gs_matrix_fixed *, const font_hints *,
+	const a_zone_table *, const a_zone_table *, alignment_zone *, int));
+private int
+    transform_zone(P4(const gs_matrix_fixed *, const font_hints *,
+		      const float *, alignment_zone *));
+
+/* Reset the font-level hints. */
+void
+reset_font_hints(font_hints * pfh, const gs_log2_scale_point * plog2_scale)
+{
+    set_pixel_scale(&pfh->scale.x, plog2_scale->x);
+    set_pixel_scale(&pfh->scale.y, plog2_scale->y);
+    pfh->axes_swapped = pfh->x_inverted = pfh->y_inverted = false;
+    pfh->use_x_hints = pfh->use_y_hints = false;
+    pfh->snap_h.count = pfh->snap_v.count = 0;
+    pfh->a_zone_count = 0;
+}
+
+/* Compute the font-level hints from the font and the matrix. */
+/* We should cache this with the font/matrix pair.... */
+void
+compute_font_hints(font_hints * pfh, const gs_matrix_fixed * pmat,
+       const gs_log2_scale_point * plog2_scale, const gs_type1_data * pdata)
+{
+    alignment_zone *zp = &pfh->a_zones[0];
+
+    reset_font_hints(pfh, plog2_scale);
+    /* Figure out which hints, if any, to use, */
+    /* and the orientation of the axes. */
+    if (is_fzero(pmat->xy))
+	pfh->y_inverted = is_fneg(pmat->yy),
+	    pfh->use_y_hints = USE_HINTS;
+    else if (is_fzero(pmat->xx))
+	pfh->y_inverted = is_fneg(pmat->xy),
+	    pfh->axes_swapped = true,
+	    pfh->use_y_hints = USE_HINTS;
+    if (is_fzero(pmat->yx))
+	pfh->x_inverted = is_fneg(pmat->xx),
+	    pfh->use_x_hints = USE_HINTS;
+    else if (is_fzero(pmat->yy))
+	pfh->x_inverted = is_fneg(pmat->yx),
+	    pfh->axes_swapped = true,
+	    pfh->use_x_hints = USE_HINTS;
+    if_debug6('y', "[y]ctm=[%g %g %g %g %g %g]\n",
+	      pmat->xx, pmat->xy, pmat->yx, pmat->yy,
+	      pmat->tx, pmat->ty);
+    if_debug7('y', "[y]scale=%d/%d, swapped=%d, x/y_hints=%d,%d, x/y_inverted=%d,%d\n",
+	      1 << plog2_scale->x, 1 << plog2_scale->y,
+	      pfh->axes_swapped, pfh->use_x_hints, pfh->use_y_hints,
+	      pfh->x_inverted, pfh->y_inverted);
+    /* Transform the actual hints. */
+    if (pfh->use_x_hints) {
+	compute_snaps(pmat, (const a_stem_table *)&pdata->StdHW,
+		      &pfh->snap_h, 0, pfh->axes_swapped, "h");
+	compute_snaps(pmat, (const a_stem_table *)&pdata->StemSnapH,
+		      &pfh->snap_h, 0, pfh->axes_swapped, "h");
+    }
+    if (pfh->use_y_hints) {
+	gs_fixed_point vw;
+	fixed *vp = (pfh->axes_swapped ? &vw.x : &vw.y);
+	pixel_scale *psp =
+	(pfh->axes_swapped ? &pfh->scale.x : &pfh->scale.y);
+
+	/* Convert BlueFuzz to device pixels. */
+	if (gs_distance_transform2fixed(pmat, 0.0,
+					(float)pdata->BlueFuzz,
+					&vw) < 0
+	    )
+	    vw.x = vw.y = fixed_0;
+	pfh->blue_fuzz = any_abs(*vp);
+	/*
+	 * Decide whether to suppress overshoots.  The formula in
+	 * section 5.6 of the "Adobe Type 1 Font Format" says that
+	 * at 300 dpi, if BlueScale = (P - 0.49) / 240, overshoot
+	 * suppression turns off at point sizes at least P, i.e.:
+	 *      P >= BlueScale * 240 + 0.49.
+	 * At 300 dpi, P = |CTM.yy| / (300/72), so the condition is
+	 * equivalent to
+	 *      |CTM.yy| >= BlueScale * 1000 + 2.0417,
+	 * or
+	 *      BlueScale >= (|CTM.yy| - 2.0417) / 1000.
+	 * Since *pmat is the concatenation of the FontMatrix and
+	 * CTM, if we assume a 1000-unit scale, this is equivalent to
+	 *      BlueScale >= |pmat->yy| - 0.00020417.
+	 * Since the constant term is slightly smaller than
+	 * fixed_epsilon, we just disregard it.
+	 *
+	 * According to the same section of the Adobe documentation,
+	 * there is a requirement that BlueScale times the maximum
+	 * alignment zone height must be less than 1.  We enforced
+	 * this when the font was constructed (in zfont1.c).
+	 */
+	if (gs_distance_transform2fixed(pmat, 0.0, 1.0, &vw) < 0)
+	    vw.x = vw.y = fixed_0;
+	pfh->suppress_overshoot =
+	    fixed2float(any_abs(*vp) >> psp->log2_unit) <
+	    pdata->BlueScale;
+	if (gs_distance_transform2fixed(pmat, 0.0, pdata->BlueShift,
+					&vw) < 0
+	    )
+	    vw.x = vw.y = fixed_0;
+	pfh->blue_shift = any_abs(*vp);
+	/*
+	 * Don't let the blue shift exceed half a pixel.
+	 * See the discussion of BlueShift in section 5.7 of the
+	 * "Adobe Type 1 Font Format" book.
+	 */
+	if (pfh->blue_shift > psp->half)
+	    pfh->blue_shift = psp->half;
+	if_debug6('y', "[y]blue_fuzz=%d->%g, blue_scale=%g, blue_shift=%g->%g, sup_ov=%d\n",
+		  pdata->BlueFuzz, fixed2float(pfh->blue_fuzz),
+		  pdata->BlueScale,
+		  pdata->BlueShift, fixed2float(pfh->blue_shift),
+		  pfh->suppress_overshoot);
+	zp = compute_zones(pmat, pfh,
+			   (const a_zone_table *)&pdata->BlueValues,
+			   (const a_zone_table *)&pdata->FamilyBlues,
+			   zp, 1);
+	zp = compute_zones(pmat, pfh,
+			   (const a_zone_table *)&pdata->OtherBlues,
+			   (const a_zone_table *)&pdata->FamilyOtherBlues,
+			   zp, max_OtherBlues);
+	compute_snaps(pmat, (const a_stem_table *)&pdata->StdVW,
+		      &pfh->snap_v, 1, !pfh->axes_swapped, "v");
+	compute_snaps(pmat, (const a_stem_table *)&pdata->StemSnapV,
+		      &pfh->snap_v, 1, !pfh->axes_swapped, "v");
+    }
+    pfh->a_zone_count = zp - &pfh->a_zones[0];
+}
+
+/* Transform one set of stem snap widths. */
+private void
+compute_snaps(const gs_matrix_fixed * pmat, const a_stem_table * pst,
+	    stem_snap_table * psst, int from_y, int to_y, const char *tname)
+{
+    gs_fixed_point wxy;
+    fixed *wp = (to_y ? &wxy.y : &wxy.x);
+    int i;
+    int j = psst->count;
+
+    for (i = 0; i < pst->count; i++) {
+	float w = pst->values[i];
+	int code =
+	(from_y ?
+	 gs_distance_transform2fixed(pmat, 0.0, w, &wxy) :
+	 gs_distance_transform2fixed(pmat, w, 0.0, &wxy)
+	);
+
+	if (code < 0)
+	    continue;
+	psst->data[j] = any_abs(*wp);
+	if_debug3('y', "[y]snap_%s[%d]=%g\n", tname, j,
+		  fixed2float(psst->data[j]));
+	j++;
+    }
+    psst->count = j;
+}
+
+/* Compute the alignment zones for one set of 'blue' values. */
+private alignment_zone *
+compute_zones(const gs_matrix_fixed * pmat, const font_hints * pfh,
+	      const a_zone_table * blues, const a_zone_table * family_blues,
+	      alignment_zone * zp, int bottom_count)
+{
+    int i;
+    fixed fuzz = pfh->blue_fuzz;
+    int inverted =
+    (pfh->axes_swapped ? pfh->x_inverted : pfh->y_inverted);
+
+    for (i = 0; i < blues->count; i += 2) {
+	const float *vp = &blues->values[i];
+
+	zp->is_top_zone = i >> 1 >= bottom_count;
+	if (transform_zone(pmat, pfh, vp, zp) < 0)
+	    continue;
+	if_debug5('y', "[y]blues[%d]=%g,%g -> %g,%g\n",
+		  i >> 1, vp[0], vp[1],
+		  fixed2float(zp->v0), fixed2float(zp->v1));
+	if (i < family_blues->count) {	/* Check whether family blues should supersede. */
+	    alignment_zone fz;
+	    const float *fvp = &family_blues->values[i];
+	    fixed unit = (pfh->axes_swapped ?
+			  pfh->scale.x.unit : pfh->scale.y.unit);
+	    fixed diff;
+
+	    if (transform_zone(pmat, pfh, fvp, &fz) < 0)
+		continue;
+	    if_debug5('y', "[y]f_blues[%d]=%g,%g -> %g,%g\n",
+		      i >> 1, fvp[0], fvp[1],
+		      fixed2float(fz.v0), fixed2float(fz.v1));
+	    diff = (zp->v1 - zp->v0) - (fz.v1 - fz.v0);
+	    if (diff > -unit && diff < unit)
+		zp->v0 = fz.v0, zp->v1 = fz.v1;
+	}
+	/* Compute the flat position, and add the fuzz. */
+	if ((inverted ? zp->is_top_zone : !zp->is_top_zone))
+	    zp->flat = zp->v1, zp->v0 -= fuzz;
+	else
+	    zp->flat = zp->v0, zp->v1 += fuzz;
+	zp++;
+    }
+    return zp;
+}
+
+/* Transform a single alignment zone to device coordinates, */
+/* taking axis swapping into account. */
+private int
+transform_zone(const gs_matrix_fixed * pmat, const font_hints * pfh,
+	       const float *vp, alignment_zone * zp)
+{
+    gs_fixed_point p0, p1;
+    fixed v0, v1;
+    int code;
+
+    if ((code = gs_point_transform2fixed(pmat, 0.0, vp[0], &p0)) < 0 ||
+	(code = gs_point_transform2fixed(pmat, 0.0, vp[1], &p1)) < 0
+	)
+	return code;
+    if (pfh->axes_swapped)
+	v0 = p0.x, v1 = p1.x;
+    else
+	v0 = p0.y, v1 = p1.y;
+    if (v0 <= v1)
+	zp->v0 = v0, zp->v1 = v1;
+    else
+	zp->v0 = v1, zp->v1 = v0;
+    return 0;
+}
diff --git a/pstoraster/gxhint2.c b/pstoraster/gxhint2.c
new file mode 100644
index 000000000..f438d85fe
--- /dev/null
+++ b/pstoraster/gxhint2.c
@@ -0,0 +1,397 @@
+/* Copyright (C) 1990, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Character level hints for Type 1 fonts. */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+
+/* Define the tolerance for testing whether a point is in a zone, */
+/* in device pixels.  (Maybe this should be variable?) */
+#define stem_tolerance float2fixed(0.05)
+
+/* Forward references */
+
+private stem_hint *type1_stem(P4(const gs_type1_state *, stem_hint_table *, fixed, fixed));
+private fixed find_snap(P3(fixed, const stem_snap_table *, const pixel_scale *));
+private alignment_zone *find_zone(P3(gs_type1_state *, fixed, fixed));
+
+/* Reset the stem hints. */
+void
+reset_stem_hints(gs_type1_state * pcis)
+{
+    pcis->hstem_hints.count = pcis->hstem_hints.replaced_count = 0;
+    pcis->vstem_hints.count = pcis->vstem_hints.replaced_count = 0;
+    update_stem_hints(pcis);
+}
+
+/* Prepare to replace the stem hints. */
+private void
+save_replaced_hints(stem_hint_table * psht)
+{
+    int rep_count = min(psht->replaced_count + psht->count, max_stems);
+
+    memmove(&psht->data[max_stems - rep_count], &psht->data[0],
+	    psht->count * sizeof(psht->data[0]));
+    psht->replaced_count = rep_count;
+    psht->count = psht->current = 0;
+}
+void
+type1_replace_stem_hints(gs_type1_state * pcis)
+{
+    if_debug2('y', "[y]saving hints: %d hstem, %d vstem\n",
+	      pcis->hstem_hints.count, pcis->vstem_hints.count);
+    save_replaced_hints(&pcis->hstem_hints);
+    save_replaced_hints(&pcis->vstem_hints);
+    if_debug2('y', "[y]total saved hints: %d hstem, %d vstem\n",
+	      pcis->hstem_hints.replaced_count,
+	      pcis->vstem_hints.replaced_count);
+}
+
+/* Update the internal stem hint pointers after moving or copying the state. */
+void
+update_stem_hints(gs_type1_state * pcis)
+{
+    pcis->hstem_hints.current = 0;
+    pcis->vstem_hints.current = 0;
+}
+
+/* ------ Add hints ------ */
+
+#undef c_fixed
+#define c_fixed(d, c) m_fixed(d, c, pcis->fc, max_coeff_bits)
+
+#define if_debug_print_add_stem(chr, msg, psht, psh, c, dc, v, dv)\
+	if_debug10(chr, "%s %d/%d: %g,%g -> %g(%g)%g ; d = %g,%g\n",\
+		   msg, (int)((psh) - &(psht)->data[0]), (psht)->count,\
+		   fixed2float(c), fixed2float(dc),\
+		   fixed2float(v), fixed2float(dv), fixed2float((v) + (dv)),\
+		   fixed2float((psh)->dv0), fixed2float((psh)->dv1))
+
+/* Compute and store the adjusted stem coordinates. */
+private void
+store_stem_deltas(const stem_hint_table * psht, stem_hint * psh,
+		  const pixel_scale * psp, fixed v, fixed dv, fixed adj_dv)
+{				/*
+				 * We want to align the stem so its edges fall on pixel boundaries
+				 * (possibly "big pixel" boundaries if we are oversampling),
+				 * but if hint replacement has occurred, we must shift edges in a
+				 * consistent way.  This is a real nuisance, but I don't see how
+				 * to avoid it; if we don't do it, we get bizarre anomalies like
+				 * disappearing stems.
+				 */
+    const stem_hint *psh0 = 0;
+    const stem_hint *psh1 = 0;
+    int i;
+
+    /*
+     * If we ever had a hint with the same edge(s), align this one
+     * the same way.
+     */
+    for (i = max_stems - psht->replaced_count; i < max_stems; ++i) {
+	const stem_hint *ph = &psht->data[i];
+
+	if (ph == psh)
+	    continue;
+	if (ph->v0 == psh->v0)
+	    psh0 = ph;
+	if (ph->v1 == psh->v1)
+	    psh1 = ph;
+    }
+    for (i = 0; i < psht->count; ++i) {
+	const stem_hint *ph = &psht->data[i];
+
+	if (ph == psh)
+	    continue;
+	if (ph->v0 == psh->v0)
+	    psh0 = ph;
+	if (ph->v1 == psh->v1)
+	    psh1 = ph;
+    }
+    if (psh0 != 0) {
+	psh->dv0 = psh0->dv0;
+	if (psh1 != 0) {	/* Both edges are determined. */
+	    psh->dv1 = psh1->dv1;
+	} else {		/* Only the lower edge is determined. */
+	    psh->dv1 = psh->dv0 + adj_dv - dv;
+	}
+    } else if (psh1 != 0) {	/* Only the upper edge is determined. */
+	psh->dv1 = psh1->dv1;
+	psh->dv0 = psh->dv1 + adj_dv - dv;
+    } else {			/* Neither edge is determined. */
+	fixed diff2_dv = arith_rshift_1(adj_dv - dv);
+	fixed edge = v - diff2_dv;
+	fixed diff_v = scaled_rounded(edge, psp) - edge;
+
+	psh->dv0 = diff_v - diff2_dv;
+	psh->dv1 = diff_v + diff2_dv;
+    }
+}
+
+/* Add a horizontal stem hint. */
+void
+type1_do_hstem(gs_type1_state * pcis, fixed y, fixed dy,
+	       const gs_matrix_fixed * pmat)
+{
+    stem_hint *psh;
+    alignment_zone *pz;
+    const pixel_scale *psp;
+    fixed v, dv, adj_dv;
+    fixed vtop, vbot;
+
+    if (!pcis->fh.use_y_hints || !pmat->txy_fixed_valid)
+	return;
+    y += pcis->lsb.y + pcis->adxy.y;
+    if (pcis->fh.axes_swapped) {
+	psp = &pcis->scale.x;
+	v = pcis->vs_offset.x + c_fixed(y, yx) + pmat->tx_fixed;
+	dv = c_fixed(dy, yx);
+    } else {
+	psp = &pcis->scale.y;
+	v = pcis->vs_offset.y + c_fixed(y, yy) + pmat->ty_fixed;
+	dv = c_fixed(dy, yy);
+    }
+    if (dy < 0)
+	vbot = v + dv, vtop = v;
+    else
+	vbot = v, vtop = v + dv;
+    if (dv < 0)
+	v += dv, dv = -dv;
+    psh = type1_stem(pcis, &pcis->hstem_hints, v, dv);
+    if (psh == 0)
+	return;
+    adj_dv = find_snap(dv, &pcis->fh.snap_h, psp);
+    pz = find_zone(pcis, vbot, vtop);
+    if (pz != 0) {		/* Use the alignment zone to align the outer stem edge. */
+	int inverted =
+	(pcis->fh.axes_swapped ? pcis->fh.x_inverted : pcis->fh.y_inverted);
+	int adjust_v1 =
+	(inverted ? !pz->is_top_zone : pz->is_top_zone);
+	fixed flat_v = pz->flat;
+	fixed overshoot =
+	(pz->is_top_zone ? vtop - flat_v : flat_v - vbot);
+	fixed pos_over =
+	(inverted ? -overshoot : overshoot);
+	fixed ddv = adj_dv - dv;
+	fixed shift = scaled_rounded(flat_v, psp) - flat_v;
+
+	if (pos_over > 0) {
+	    if (pos_over < pcis->fh.blue_shift || pcis->fh.suppress_overshoot) {	/* Character is small, suppress overshoot. */
+		if_debug0('y', "[y]suppress overshoot\n");
+		if (pz->is_top_zone)
+		    shift -= overshoot;
+		else
+		    shift += overshoot;
+	    } else if (pos_over < psp->unit) {	/* Enforce overshoot. */
+		if_debug0('y', "[y]enforce overshoot\n");
+		if (overshoot < 0)
+		    overshoot = -psp->unit - overshoot;
+		else
+		    overshoot = psp->unit - overshoot;
+		if (pz->is_top_zone)
+		    shift += overshoot;
+		else
+		    shift -= overshoot;
+	    }
+	}
+	if (adjust_v1)
+	    psh->dv1 = shift, psh->dv0 = shift - ddv;
+	else
+	    psh->dv0 = shift, psh->dv1 = shift + ddv;
+	if_debug2('y', "[y]flat_v = %g, overshoot = %g for:\n",
+		  fixed2float(flat_v), fixed2float(overshoot));
+    } else {			/* Align the stem so its edges fall on pixel boundaries. */
+	store_stem_deltas(&pcis->hstem_hints, psh, psp, v, dv, adj_dv);
+    }
+    if_debug_print_add_stem('y', "[y]hstem", &pcis->hstem_hints, psh,
+			    y, dy, v, dv);
+}
+
+/* Add a vertical stem hint. */
+void
+type1_do_vstem(gs_type1_state * pcis, fixed x, fixed dx,
+	       const gs_matrix_fixed * pmat)
+{
+    stem_hint *psh;
+    const pixel_scale *psp;
+    fixed v, dv, adj_dv;
+
+    if (!pcis->fh.use_x_hints)
+	return;
+    x += pcis->lsb.x + pcis->adxy.x;
+    if (pcis->fh.axes_swapped) {
+	psp = &pcis->scale.y;
+	v = pcis->vs_offset.y + c_fixed(x, xy) + pmat->ty_fixed;
+	dv = c_fixed(dx, xy);
+    } else {
+	psp = &pcis->scale.x;
+	v = pcis->vs_offset.x + c_fixed(x, xx) + pmat->tx_fixed;
+	dv = c_fixed(dx, xx);
+    }
+    if (dv < 0)
+	v += dv, dv = -dv;
+    psh = type1_stem(pcis, &pcis->vstem_hints, v, dv);
+    if (psh == 0)
+	return;
+    adj_dv = find_snap(dv, &pcis->fh.snap_v, psp);
+    if (pcis->pfont->data.ForceBold && adj_dv < psp->unit)
+	adj_dv = psp->unit;
+    /* Align the stem so its edges fall on pixel boundaries. */
+    store_stem_deltas(&pcis->vstem_hints, psh, psp, v, dv, adj_dv);
+    if_debug_print_add_stem('y', "[y]vstem", &pcis->vstem_hints, psh,
+			    x, dx, v, dv);
+}
+
+/* Adjust the character center for a vstem3. */
+/****** NEEDS UPDATING FOR SCALE ******/
+void
+type1_do_center_vstem(gs_type1_state * pcis, fixed x0, fixed dx,
+		      const gs_matrix_fixed * pmat)
+{
+    fixed x1 = x0 + dx;
+    gs_fixed_point pt0, pt1, width;
+    fixed center, int_width;
+    fixed *psxy;
+
+    if (gs_point_transform2fixed(pmat, fixed2float(x0), 0.0, &pt0) < 0 ||
+	gs_point_transform2fixed(pmat, fixed2float(x1), 0.0, &pt1) < 0
+	) {			/* Punt. */
+	return;
+    }
+    width.x = pt0.x - pt1.x;
+    if (width.x < 0)
+	width.x = -width.x;
+    width.y = pt0.y - pt1.y;
+    if (width.y < 0)
+	width.y = -width.y;
+    if (width.y < float2fixed(0.05)) {	/* Vertical on device */
+	center = arith_rshift_1(pt0.x + pt1.x);
+	int_width = fixed_rounded(width.x);
+	psxy = &pcis->vs_offset.x;
+    } else {			/* Horizontal on device */
+	center = arith_rshift_1(pt0.y + pt1.y);
+	int_width = fixed_rounded(width.y);
+	psxy = &pcis->vs_offset.y;
+    }
+    if (int_width == fixed_0 || (int_width & fixed_1) == 0) {	/* Odd width, center stem over pixel. */
+	*psxy = fixed_floor(center) + fixed_half - center;
+    } else {			/* Even width, center stem between pixels. */
+	*psxy = fixed_rounded(center) - center;
+    }
+    /* We can't fix up the current point here, */
+    /* but we can fix up everything else. */
+/****** TO BE COMPLETED ******/
+}
+
+/* Add a stem hint, keeping the table sorted. */
+/* We know that d >= 0. */
+/* Return the stem hint pointer, or 0 if the table is full. */
+private stem_hint *
+type1_stem(const gs_type1_state * pcis, stem_hint_table * psht,
+	   fixed v0, fixed d)
+{
+    stem_hint *bot = &psht->data[0];
+    stem_hint *top = bot + psht->count;
+
+    if (psht->count >= max_stems)
+	return 0;
+    while (top > bot && v0 < top[-1].v0) {
+	*top = top[-1];
+	top--;
+    }
+    /* Add a little fuzz for insideness testing. */
+    top->v0 = v0 - stem_tolerance;
+    top->v1 = v0 + d + stem_tolerance;
+    top->index = pcis->hstem_hints.count + pcis->vstem_hints.count;
+    top->active = true;
+    psht->count++;
+    return top;
+}
+
+/* Compute the adjusted width of a stem. */
+/* The value returned is always a multiple of scale.unit. */
+private fixed
+find_snap(fixed dv, const stem_snap_table * psst, const pixel_scale * pps)
+{				/* We aren't sure why a maximum difference of pps->half */
+    /* works better than pps->unit, but it does. */
+#define max_snap_distance (pps->half)
+    fixed best = max_snap_distance;
+    fixed adj_dv;
+    int i;
+
+    for (i = 0; i < psst->count; i++) {
+	fixed diff = psst->data[i] - dv;
+
+	if (any_abs(diff) < any_abs(best)) {
+	    if_debug3('Y', "[Y]possibly snap %g to [%d]%g\n",
+		      fixed2float(dv), i,
+		      fixed2float(psst->data[i]));
+	    best = diff;
+	}
+    }
+    adj_dv = scaled_rounded((any_abs(best) < max_snap_distance ?
+			     dv + best : dv),
+			    pps);
+    if (adj_dv == 0)
+	adj_dv = pps->unit;
+#ifdef DEBUG
+    if (adj_dv == dv)
+	if_debug1('Y', "[Y]no snap %g\n", fixed2float(dv));
+    else
+	if_debug2('Y', "[Y]snap %g to %g\n",
+		  fixed2float(dv), fixed2float(adj_dv));
+#endif
+    return adj_dv;
+#undef max_snap_distance
+}
+
+/* Find the applicable alignment zone for a stem, if any. */
+/* vbot and vtop are the bottom and top of the stem, */
+/* but without interchanging if the y axis is inverted. */
+private alignment_zone *
+find_zone(gs_type1_state * pcis, fixed vbot, fixed vtop)
+{
+    alignment_zone *pz;
+
+    for (pz = &pcis->fh.a_zones[pcis->fh.a_zone_count];
+	 --pz >= &pcis->fh.a_zones[0];
+	) {
+	fixed v = (pz->is_top_zone ? vtop : vbot);
+
+	if (v >= pz->v0 && v <= pz->v1) {
+	    if_debug2('Y', "[Y]stem crosses %s-zone %d\n",
+		      (pz->is_top_zone ? "top" : "bottom"),
+		      (int)(pz - &pcis->fh.a_zones[0]));
+	    return pz;
+	}
+    }
+    return 0;
+}
diff --git a/pstoraster/gxhint3.c b/pstoraster/gxhint3.c
new file mode 100644
index 000000000..ea3e0bda1
--- /dev/null
+++ b/pstoraster/gxhint3.c
@@ -0,0 +1,560 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Apply hints for Type 1 fonts. */
+#include "math_.h"		/* for floor in fixed_mult_quo */
+#include "gx.h"
+#include "gserrors.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+#include "gzpath.h"
+
+/* ------ Path hints ------ */
+
+/* Forward references */
+private void
+     apply_hstem_hints(P3(gs_type1_state *, int, gs_fixed_point *)), apply_vstem_hints(P3(gs_type1_state *, int, gs_fixed_point *));
+
+
+/*
+ * Apply hints along a newly added tail of a subpath.
+ * Path segments require hints as follows:
+ *      Nearly vertical line: vstem hints at both ends.
+ *      Nearly horizontal line: hstem hints at both ends.
+ *      Curve with nearly vertical/horizontal start/end:
+ *        vstem/hstem hints at start/end.
+ * We also must take care to handle the implicit closing line for
+ * subpaths that aren't explicitly closed.
+ *
+ * Note that "upper" and "lower" refer to device coordinates, which are
+ * what we use throughout the Type 1 code; however, "horizontal" and
+ * "vertical" refer to the character space coordinate system.
+ */
+#define HINT_VERT_LOWER 1
+#define HINT_VERT_UPPER 2	/* must be > lower */
+#define HINT_VERT (HINT_VERT_LOWER | HINT_VERT_UPPER)
+#define HINT_HORZ_LOWER 4
+#define HINT_HORZ_UPPER 8	/* must be > lower */
+#define HINT_HORZ (HINT_HORZ_LOWER | HINT_HORZ_UPPER)
+#define NEARLY_AXIAL(dmajor, dminor)\
+  ((dminor) <= (dmajor) >> 4)
+
+/*
+ * Determine which types of hints, if any, are applicable to a given
+ * line segment.
+ */
+private int
+line_hints(const gs_type1_state * pcis, const gs_fixed_point * p0,
+	   const gs_fixed_point * p1)
+{
+    fixed dx = p1->x - p0->x;
+    fixed dy = p1->y - p0->y;
+    fixed adx, ady;
+    bool xi = pcis->fh.x_inverted, yi = pcis->fh.y_inverted;
+    int hints;
+
+    /*
+     * To figure out which side of the stem we are on, we assume that the
+     * inside of the filled area is always to the left of the edge, i.e.,
+     * edges moving in -X or +Y in character space are on the "upper" side
+     * of the stem, while edges moving by +X or -Y are on the "lower" side.
+     * (See section 3.5 of the Adobe Type 1 Font Format book.)
+     */
+
+    /*
+     * Map the deltas back into character space.  This is essentially an
+     * inverse-distance-transform with the combined matrix, but we don't
+     * bother to undo the scaling, since it only matters for the axiality
+     * test and we don't care about situations where X and Y scaling are
+     * radically different.
+     */
+    if (xi)
+	dx = -dx;
+    if (yi)
+	dy = -dy;
+    if (pcis->fh.axes_swapped) {
+	fixed t = dx;
+	int ti = xi;
+
+	dx = dy, xi = yi;
+	dy = t, yi = ti;
+    }
+    adx = any_abs(dx);
+    ady = any_abs(dy);
+    /*
+     * Note that since upper/lower refer to device space, we must
+     * interchange them if the corresponding axis is inverted.
+     */
+    if (dy != 0 && NEARLY_AXIAL(ady, adx)) {
+	hints = (dy > 0 ? HINT_VERT_UPPER : HINT_VERT_LOWER);
+	if (xi)
+	    hints ^= (HINT_VERT_LOWER | HINT_VERT_UPPER);
+    } else if (dx != 0 && NEARLY_AXIAL(adx, ady)) {
+	hints = (dx < 0 ? HINT_HORZ_UPPER : HINT_HORZ_LOWER);
+	if (yi)
+	    hints ^= (HINT_HORZ_LOWER | HINT_HORZ_UPPER);
+    } else
+	hints = 0;
+    if_debug7('y', "[y]hint from 0x%lx(%1.4f,%1.4f) to 0x%lx(%1.4f,%1.4f) = %d\n",
+	      (ulong) p0, fixed2float(p0->x), fixed2float(p0->y),
+	      (ulong) p1, fixed2float(p1->x), fixed2float(p1->y),
+	      hints);
+    return hints;
+}
+
+/* Apply hints at a point.  Optionally return the amount of adjustment. */
+private void
+apply_hints_at(gs_type1_state * pcis, int hints, gs_fixed_point * ppt,
+	       gs_fixed_point * pdiff)
+{
+    fixed px = ppt->x, py = ppt->y;
+
+    if_debug4('y', "[y]applying hints %d to 0x%lx(%1.4f,%1.4f) ...\n",
+	      hints, (ulong) ppt, fixed2float(px), fixed2float(py));
+    if ((hints & HINT_VERT) != 0 &&
+	(pcis->vstem_hints.count & pcis->dotsection_flag) != 0
+	)
+	apply_vstem_hints(pcis, (hints & HINT_VERT_UPPER) -
+			  (hints & HINT_VERT_LOWER), ppt);
+    if ((hints & HINT_HORZ) != 0 &&
+	(pcis->hstem_hints.count & pcis->dotsection_flag) != 0
+	)
+	apply_hstem_hints(pcis, (hints & HINT_HORZ_UPPER) -
+			  (hints & HINT_HORZ_LOWER), ppt);
+    if (pdiff != NULL)
+	pdiff->x = ppt->x - px,
+	    pdiff->y = ppt->y - py;
+    /* Here is where we would round *ppt to the nearest quarter-pixel */
+    /* if we wanted to. */
+    if_debug2('y', "[y] ... => (%1.4f,%1.4f)\n",
+	      fixed2float(ppt->x), fixed2float(ppt->y));
+}
+
+/* Add a hint delta to a point. */
+#ifndef DEBUG
+inline
+#endif
+private void
+add_hint_diff(gs_fixed_point * ppt, gs_fixed_point delta)
+{
+    if_debug7('y', "[y]adding diff (%1.4f,%1.4f) to 0x%lx(%1.4f,%1.4f) => (%1.4f,%1.4f)\n",
+	      fixed2float(delta.x), fixed2float(delta.y), (ulong) ppt,
+	      fixed2float(ppt->x), fixed2float(ppt->y),
+	      fixed2float(ppt->x + delta.x), fixed2float(ppt->y + delta.y));
+    ppt->x += delta.x;
+    ppt->y += delta.y;
+}
+
+/* Test whether a line is null. */
+inline private bool
+line_is_null(gs_fixed_point p0, gs_fixed_point p1)
+{
+    return (any_abs(p1.x - p0.x) + any_abs(p1.y - p0.y) < fixed_epsilon * 4);
+}
+
+/*
+ * Adjust the other control points of a curve proportionately when moving
+ * one end.  The Boolean argument indicates whether the point being
+ * adjusted is the one nearer the point that was moved.
+ */
+private fixed
+scale_delta(fixed diff, fixed dv, fixed lv, bool nearer)
+{
+    if (dv == 0)
+	return 0;
+    /*
+     * fixed_mult_quo requires non-negative 2nd and 3rd arguments,
+     * and also 2nd argument < 3rd argument.
+     * If it weren't for that, we would just use it directly.
+     *
+     * lv = 0 is implausible, but we have to allow for it.
+     */
+    if (lv == 0)
+	return (nearer ? diff : fixed_0);
+    if (lv < 0)
+	lv = -lv, dv = -dv;
+    if (dv < 0)
+	dv = -dv, diff = -diff;
+    /*
+     * If dv > lv, there has been some kind of anomaly similar to
+     * the lv = 0 case.
+     */
+    if (dv >= lv)
+	return (nearer ? diff : fixed_0);
+    else
+	return fixed_mult_quo(diff, dv, lv);
+}
+private void
+adjust_curve_start(curve_segment * pcseg, const gs_fixed_point * pdiff)
+{
+    fixed dx = pdiff->x, dy = pdiff->y;
+    fixed end_x = pcseg->pt.x, end_y = pcseg->pt.y;
+    const segment *prev = pcseg->prev;
+    fixed lx = end_x - (prev->pt.x - dx), ly = end_y - (prev->pt.y - dy);
+    gs_fixed_point delta;
+
+    delta.x = scale_delta(end_x - pcseg->p1.x, dx, lx, true);
+    delta.y = scale_delta(end_y - pcseg->p1.y, dy, ly, true);
+    add_hint_diff(&pcseg->p1, delta);
+    delta.x = scale_delta(end_x - pcseg->p2.x, dx, lx, false);
+    delta.y = scale_delta(end_y - pcseg->p2.y, dy, ly, false);
+    add_hint_diff(&pcseg->p2, delta);
+}
+private void
+adjust_curve_end(curve_segment * pcseg, const gs_fixed_point * pdiff)
+{
+    fixed dx = pdiff->x, dy = pdiff->y;
+    const segment *prev = pcseg->prev;
+    fixed start_x = prev->pt.x, start_y = prev->pt.y;
+    fixed lx = pcseg->pt.x - dx - start_x, ly = pcseg->pt.y - dy - start_y;
+    gs_fixed_point delta;
+
+    delta.x = scale_delta(pcseg->p1.x - start_x, dx, lx, false);
+    delta.y = scale_delta(pcseg->p1.y - start_y, dy, ly, false);
+    add_hint_diff(&pcseg->p1, delta);
+    delta.x = scale_delta(pcseg->p2.x - start_x, dx, lx, true);
+    delta.y = scale_delta(pcseg->p2.y - start_y, dy, ly, true);
+    add_hint_diff(&pcseg->p2, delta);
+}
+
+/*
+ * Propagate a final wraparound hint back through any null line segments
+ * to a possible curve.  pseg_last.pt has already been adjusted.
+ */
+private void
+apply_final_hint(segment * pseg_last, const gs_fixed_point * pdiff)
+{
+    segment *pseg;
+
+    for (pseg = pseg_last;; pseg = pseg->prev) {
+	segment *prev = pseg->prev;
+
+	switch (pseg->type) {
+	    case s_curve:
+		adjust_curve_end(((curve_segment *) pseg), pdiff);
+		return;
+	    case s_line:
+	    case s_line_close:
+		if (!line_is_null(prev->pt, pseg->pt))
+		    return;
+		add_hint_diff(&prev->pt, *pdiff);
+		break;
+	    default:		/* s_start */
+		return;
+	}
+    }
+}
+
+/*
+ * Handle the end of the subpath wrapping around to the start.  This is
+ * ugly, messy code that we should be able to improve, but I neither see how
+ * to do it nor understand how the IBM Type 1 rasterizer can produce such
+ * good results without doing anything like this.
+ *
+ * This is a separate procedure only for readability: it is only called
+ * from one place in the next procedure.
+ */
+private void
+apply_wrapped_hints(gs_type1_state * pcis, subpath * psub, segment * pseg,
+		    int hints, gs_fixed_point * pdiff)
+{
+    /* Some fonts don't use closepath when they should.... */
+    fixed ctemp;
+    bool closed =
+	(pseg->type == s_line_close ||
+	 ((ctemp = pseg->pt.x - psub->pt.x,
+	   any_abs(ctemp) < float2fixed(0.1)) &&
+	  (ctemp = pseg->pt.y - psub->pt.y,
+	   any_abs(ctemp) < float2fixed(0.1))));
+    segment *const pfirst = psub->next;
+    int hints_first = pcis->hints_initial;
+
+    if (closed) {
+	/*
+	 * Apply the union of the hints at both the end (pseg) and the start
+	 * (psub) of the subpath.  Note that we have already applied hints
+	 * at the end, and hints_first at the start.  However, because of
+	 * hint replacement, the points might differ even if hints ==
+	 * hints_first.  In this case, the initial hints take priority,
+	 * because the initial segment was laid down first.
+	 */
+	int do_x, do_y;
+	gs_fixed_point diff2;
+
+	if_debug2('y', "[y]closing closed, hints=%d, hints_first=%d\n",
+		  hints, hints_first);
+	if (pcis->fh.axes_swapped)
+	    do_x = HINT_HORZ, do_y = HINT_VERT;
+	else
+	    do_x = HINT_VERT, do_y = HINT_HORZ;
+	{
+	    /* Apply hints_first - hints to the end. */
+	    int hints_end = hints_first & ~hints;
+
+	    diff2.x =
+		(hints_end & do_x ?
+		 psub->pt.x - pcis->unmoved_start.x : 0);
+	    diff2.y =
+		(hints_end & do_y ?
+		 psub->pt.y - pcis->unmoved_start.y : 0);
+	}
+	{
+	    /* Apply hints - hints_first to the start. */
+	    int hints_start = hints & ~hints_first;
+
+	    pdiff->x =
+		(hints_start & do_x ?
+		 pseg->pt.x - pcis->unmoved_end.x : 0);
+	    pdiff->y =
+		(hints_start & do_y ?
+		 pseg->pt.y - pcis->unmoved_end.y : 0);
+	}
+	add_hint_diff(&pseg->pt, diff2);
+	apply_final_hint(pseg, &diff2);
+	add_hint_diff(&psub->pt, *pdiff);
+	/*
+	 * Now align the initial and final points, to deal with hint
+	 * replacement.
+	 */
+	diff2.x = psub->pt.x - pseg->pt.x;
+	diff2.y = psub->pt.y - pseg->pt.y;
+	if (diff2.x || diff2.y) {
+	    /* Force the points to coincide. */
+	    pseg->pt = psub->pt;
+	    apply_final_hint(pseg, &diff2);
+	}
+    } else {
+	int hints_close =
+	line_hints(pcis, &pcis->unmoved_end, &pcis->unmoved_start);
+
+	hints_close &= ~(hints | hints_first);
+	if_debug3('y', "[y]closing open, hints=%d, hints_close=%d, hints_first=%d\n",
+		  hints, hints_close, hints_first);
+	if (hints_close) {
+	    apply_hints_at(pcis, hints_close, &pseg->pt, pdiff);
+	    apply_final_hint(pseg, pdiff);
+	    apply_hints_at(pcis, hints_close, &psub->pt, pdiff);
+	} else
+	    pdiff->x = pdiff->y = 0;
+    }
+    if (pfirst->type == s_curve)
+	adjust_curve_start((curve_segment *) pfirst, pdiff);
+}
+
+/*
+ * Apply hints along a subpath.  If closing is true, consider the subpath
+ * closed; if not, we may add more to the subpath later.  In the latter case,
+ * don't do anything if the subpath is closed, because we already applied
+ * the hints.
+ */
+void
+type1_apply_path_hints(gs_type1_state * pcis, bool closing, gx_path * ppath)
+{
+    segment *pseg = pcis->hint_next;
+    segment *pnext;
+    subpath *const psub = ppath->current_subpath;
+
+    /*
+     * hints holds the set of hints that have already been applied (if
+     * applicable) to pseg->pt, and hence should not be applied again.
+     */
+    int hints = pcis->hints_pending;
+    gs_fixed_point diff;
+
+    /*
+     * Since unknown OtherSubrs call apply_path_hints before returning
+     * to the client, and since OtherSubrs may be invoked before the
+     * [h]sbw is seen, it's possible that init_done < 0, i.e., the path
+     * and hint members of the state haven't been set up yet.  In this
+     * case, we know there are no relevant hints.
+     */
+    if (pcis->init_done < 0)
+	return;
+    if (pseg == 0) {
+	/* Start at the beginning of the subpath. */
+	if (psub == 0)
+	    return;
+	if (psub->is_closed && !closing)
+	    return;
+	pseg = (segment *) psub;
+	if (pseg->next == 0)
+	    return;
+	hints = 0;
+	pcis->unmoved_start = psub->pt;
+	pcis->unmoved_end = psub->pt;
+    } else
+	hints = pcis->hints_pending;
+    diff.x = diff.y = 0;
+    for (; (pnext = pseg->next) != 0; pseg = pnext) {
+	int hints_next;
+
+	/*
+	 * Apply hints to the end of the previous segment (pseg)
+	 * and the beginning of this one (pnext).
+	 */
+	gs_fixed_point dseg;
+
+	switch (pnext->type) {
+	    case s_curve:{
+		    curve_segment *const pnext_curve = (curve_segment *) pnext;
+		    int hints_first =
+		    line_hints(pcis, &pcis->unmoved_end,
+			       &pnext_curve->p1) & ~hints;
+		    gs_fixed_point diff2;
+
+		    if (pseg == (segment *) psub)
+			pcis->hints_initial = hints_first;
+		    if (hints_first)
+			apply_hints_at(pcis, hints_first, &pseg->pt, &dseg);
+		    else
+			dseg.x = dseg.y = 0;
+		    diff2.x = pseg->pt.x - pcis->unmoved_end.x;
+		    diff2.y = pseg->pt.y - pcis->unmoved_end.y;
+		    hints_next = line_hints(pcis, &pnext_curve->p2, &pnext->pt);
+		    adjust_curve_start(pnext_curve, &diff2);
+		    if (hints_next) {
+			apply_hints_at(pcis, hints_next, &pnext_curve->p2, &diff);
+			pcis->unmoved_end = pnext->pt;
+			add_hint_diff(&pnext->pt, diff);
+		    } else
+			pcis->unmoved_end = pnext->pt;
+		    break;
+		}
+	    case s_line_close:
+		/* Undo any initial hints propagated to the end. */
+		pnext->pt = pcis->unmoved_start;
+	    default:		/* s_line, s_line_close */
+		if (line_is_null(pnext->pt, pcis->unmoved_end)) {
+		    /* This is a null line, just move it. */
+		    hints_next = hints;
+		    dseg.x = dseg.y = 0;	/* don't move p2 again */
+		} else {
+		    hints_next =
+			line_hints(pcis, &pcis->unmoved_end, &pnext->pt);
+		    if (hints_next & ~hints)
+			apply_hints_at(pcis, hints_next & ~hints,
+				       &pseg->pt, &dseg);
+		    else
+			dseg.x = dseg.y = 0;
+		}
+		if (pseg == (segment *) psub)
+		    pcis->hints_initial = hints_next;
+		pcis->unmoved_end = pnext->pt;
+		if (hints_next)
+		    apply_hints_at(pcis, hints_next, &pnext->pt, NULL);
+	}
+	if (pseg->type == s_curve)
+	    adjust_curve_end((curve_segment *) pseg, &dseg);
+	hints = hints_next;
+    }
+    if (closing) {
+	apply_wrapped_hints(pcis, psub, pseg, hints, &diff);
+	pcis->hint_next = 0;
+	pcis->hints_pending = 0;
+    } else {
+	pcis->hint_next = pseg;
+	pcis->hints_pending = hints;
+    }
+}
+
+/* ------ Individual hints ------ */
+
+private const stem_hint *search_hints(P2(stem_hint_table *, fixed));
+
+/*
+ * Adjust a point according to the relevant hints.
+ * dx or dy is > 0 for the upper edge, < 0 for the lower.
+ * The caller is responsible for checking use_hstem_hints or use_vstem_hints
+ * and not calling the find_xxx_hints routine if this is false.
+ * Note that if use_x/y_hints is false, no entries ever get made
+ * in the stem hint tables, so these routines will not get called.
+ */
+
+private void
+apply_vstem_hints(gs_type1_state * pcis, int dy, gs_fixed_point * ppt)
+{
+    fixed *pv = (pcis->fh.axes_swapped ? &ppt->y : &ppt->x);
+    const stem_hint *ph = search_hints(&pcis->vstem_hints, *pv);
+
+    if (ph != 0) {
+	if_debug3('Y', "[Y]use vstem %d: %1.4f (%s)",
+		  (int)(ph - &pcis->vstem_hints.data[0]),
+		  fixed2float(*pv),
+		  (dy == 0 ? "?!" : dy > 0 ? "upper" : "lower"));
+#ifdef DEBUG
+	if (dy == 0) {
+	    lprintf("dy == 0 in apply_vstem_hints!\n");
+	    return;
+	}
+#endif
+	*pv += (dy > 0 ? ph->dv1 : ph->dv0);
+	if_debug1('Y', " -> %1.4f\n", fixed2float(*pv));
+    }
+}
+
+private void
+apply_hstem_hints(gs_type1_state * pcis, int dx, gs_fixed_point * ppt)
+{
+    fixed *pv = (pcis->fh.axes_swapped ? &ppt->x : &ppt->y);
+    const stem_hint *ph = search_hints(&pcis->hstem_hints, *pv);
+
+    if (ph != 0) {
+	if_debug3('Y', "[Y]use hstem %d: %1.4f (%s)",
+		  (int)(ph - &pcis->hstem_hints.data[0]),
+		  fixed2float(*pv),
+		  (dx == 0 ? "?!" : dx > 0 ? "upper" : "lower"));
+#ifdef DEBUG
+	if (dx == 0) {
+	    lprintf("dx == 0 in apply_vstem_hints!\n");
+	    return;
+	}
+#endif
+	*pv += (dx > 0 ? ph->dv1 : ph->dv0);
+	if_debug1('Y', " -> %1.4f\n", fixed2float(*pv));
+    }
+}
+
+/* Search one hint table for an adjustment. */
+private const stem_hint *
+search_hints(stem_hint_table * psht, fixed v)
+{
+    const stem_hint *table = &psht->data[0];
+    const stem_hint *ph = table + psht->current;
+
+    if (v >= ph->v0 && v <= ph->v1 && ph->active)
+	return ph;
+    /* We don't bother with binary or even up/down search, */
+    /* because there won't be very many hints. */
+    for (ph = &table[psht->count]; --ph >= table;)
+	if (v >= ph->v0 && v <= ph->v1 && ph->active) {
+	    psht->current = ph - table;
+	    return ph;
+	}
+    return 0;
+}
diff --git a/pstoraster/gxht.c b/pstoraster/gxht.c
new file mode 100644
index 000000000..7b03ddba9
--- /dev/null
+++ b/pstoraster/gxht.c
@@ -0,0 +1,532 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Halftone rendering routines for Ghostscript imaging library */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsbitops.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gxdcolor.h"
+#include "gxfixed.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gxistate.h"
+#include "gzht.h"
+
+/* Define the sizes of the halftone cache. */
+#define max_cached_tiles_HUGE 5000	/* not used */
+#define max_ht_bits_HUGE 1000000	/* not used */
+#define max_cached_tiles_LARGE 577
+#define max_ht_bits_LARGE 100000
+#define max_cached_tiles_SMALL 25
+#define max_ht_bits_SMALL 1000
+
+/* Define the binary halftone device color type. */
+/* The type descriptor must be public for Pattern types. */
+gs_public_st_composite(st_dc_ht_binary, gx_device_color, "dc_ht_binary",
+		       dc_ht_binary_enum_ptrs, dc_ht_binary_reloc_ptrs);
+private dev_color_proc_load(gx_dc_ht_binary_load);
+private dev_color_proc_fill_rectangle(gx_dc_ht_binary_fill_rectangle);
+private dev_color_proc_equal(gx_dc_ht_binary_equal);
+const gx_device_color_type_t
+      gx_dc_type_data_ht_binary =
+{&st_dc_ht_binary,
+ gx_dc_ht_binary_load, gx_dc_ht_binary_fill_rectangle,
+ gx_dc_default_fill_masked, gx_dc_ht_binary_equal
+};
+
+#undef gx_dc_type_ht_binary
+const gx_device_color_type_t *const gx_dc_type_ht_binary =
+&gx_dc_type_data_ht_binary;
+
+#define gx_dc_type_ht_binary (&gx_dc_type_data_ht_binary)
+/* GC procedures */
+#define cptr ((gx_device_color *)vptr)
+private 
+ENUM_PTRS_BEGIN(dc_ht_binary_enum_ptrs) return 0;
+
+ENUM_PTR(0, gx_device_color, colors.binary.b_ht);
+case 1:
+{
+    gx_ht_tile *tile = cptr->colors.binary.b_tile;
+
+    ENUM_RETURN(tile - tile->index);
+}
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(dc_ht_binary_reloc_ptrs)
+{
+    uint index = cptr->colors.binary.b_tile->index;
+
+    RELOC_PTR(gx_device_color, colors.binary.b_ht);
+    RELOC_TYPED_OFFSET_PTR(gx_device_color, colors.binary.b_tile, index);
+}
+RELOC_PTRS_END
+#undef cptr
+
+/* Other GC procedures */
+private_st_ht_tiles();
+private 
+ENUM_PTRS_BEGIN_PROC(ht_tiles_enum_ptrs)
+{
+    return 0;
+}
+ENUM_PTRS_END_PROC
+private RELOC_PTRS_BEGIN(ht_tiles_reloc_ptrs)
+{
+    /* Reset the bitmap pointers in the tiles. */
+    /* We know the first tile points to the base of the bits. */
+    gx_ht_tile *ht_tiles = vptr;
+    byte *bits = ht_tiles->tiles.data;
+    uint diff;
+
+    if (bits == 0)
+	return;
+    RELOC_VAR(bits);
+    if (size == size_of(gx_ht_tile)) {	/* only 1 tile */
+	ht_tiles->tiles.data = bits;
+	return;
+    }
+    diff = ht_tiles[1].tiles.data - ht_tiles[0].tiles.data;
+    for (; size; ht_tiles++, size -= size_of(gx_ht_tile), bits += diff) {
+	ht_tiles->tiles.data = bits;
+    }
+}
+RELOC_PTRS_END
+private_st_ht_cache();
+
+/* Return the default sizes of the halftone cache. */
+uint
+gx_ht_cache_default_tiles(void)
+{
+#if arch_small_memory
+    return max_cached_tiles_SMALL;
+#else
+    return (gs_debug_c('.') ? max_cached_tiles_SMALL :
+	    max_cached_tiles_LARGE);
+#endif
+}
+uint
+gx_ht_cache_default_bits(void)
+{
+#if arch_small_memory
+    return max_ht_bits_SMALL;
+#else
+    return (gs_debug_c('.') ? max_ht_bits_SMALL :
+	    max_ht_bits_LARGE);
+#endif
+}
+
+/* Allocate a halftone cache. */
+gx_ht_cache *
+gx_ht_alloc_cache(gs_memory_t * mem, uint max_tiles, uint max_bits)
+{
+    gx_ht_cache *pcache =
+    gs_alloc_struct(mem, gx_ht_cache, &st_ht_cache,
+		    "alloc_ht_cache(struct)");
+    byte *tbits =
+    gs_alloc_bytes(mem, max_bits, "alloc_ht_cache(bits)");
+    gx_ht_tile *ht_tiles =
+    gs_alloc_struct_array(mem, max_tiles, gx_ht_tile, &st_ht_tiles,
+			  "alloc_ht_cache(ht_tiles)");
+
+    if (pcache == 0 || tbits == 0 || ht_tiles == 0) {
+	gs_free_object(mem, ht_tiles, "alloc_ht_cache(ht_tiles)");
+	gs_free_object(mem, tbits, "alloc_ht_cache(bits)");
+	gs_free_object(mem, pcache, "alloc_ht_cache(struct)");
+	return 0;
+    }
+    pcache->bits = tbits;
+    pcache->bits_size = max_bits;
+    pcache->ht_tiles = ht_tiles;
+    pcache->num_tiles = max_tiles;
+    pcache->order.cache = pcache;
+    pcache->order.transfer = 0;
+    gx_ht_clear_cache(pcache);
+    return pcache;
+}
+
+/* Free a halftone cache. */
+void
+gx_ht_free_cache(gs_memory_t * mem, gx_ht_cache * pcache)
+{
+    gs_free_object(mem, pcache->ht_tiles, "free_ht_cache(ht_tiles)");
+    gs_free_object(mem, pcache->bits, "free_ht_cache(bits)");
+    gs_free_object(mem, pcache, "free_ht_cache(struct)");
+}
+
+/* Make the cache order current, and return whether */
+/* there is room for all possible tiles in the cache. */
+bool
+gx_check_tile_cache(const gs_imager_state * pis)
+{
+    const gx_ht_order *porder = &pis->dev_ht->order;
+    gx_ht_cache *pcache = pis->ht_cache;
+
+    if (pcache == 0 || pis->dev_ht == 0)
+	return false;		/* no halftone or cache */
+    if (pcache->order.bits != porder->bits)
+	gx_ht_init_cache(pcache, porder);
+    return pcache->levels_per_tile == 1;
+}
+
+/*
+ * Determine whether a given (width, y, height) might fit into a single
+ * (non-strip) tile. If so, return the byte offset of the appropriate row
+ * from the beginning of the tile, and set *ppx to the x phase offset
+ * within the tile; if not, return -1.
+ */
+int
+gx_check_tile_size(const gs_imager_state * pis, int w, int y, int h,
+		   gs_color_select_t select, int *ppx)
+{
+    int tsy;
+    const gx_strip_bitmap *ptile0;
+
+    if (pis->ht_cache == 0)
+	return -1;		/* no halftone cache */
+    ptile0 = &pis->ht_cache->ht_tiles[0].tiles;		/* a typical tile */
+    if (h > ptile0->rep_height || w > ptile0->rep_width ||
+	ptile0->shift != 0
+	)
+	return -1;
+    tsy = (y + imod(-pis->screen_phase[select].y, ptile0->rep_height)) %
+	ptile0->rep_height;
+    if (tsy + h > ptile0->size.y)
+	return -1;
+    /* Tile fits in Y, might fit in X. */
+    *ppx = imod(-pis->screen_phase[select].x, ptile0->rep_width);
+    return tsy * ptile0->raster;
+}
+
+/* Render a given level into a halftone cache. */
+private int render_ht(P4(gx_ht_tile *, int, const gx_ht_order *,
+			 gx_bitmap_id));
+gx_ht_tile *
+gx_render_ht(gx_ht_cache * pcache, int b_level)
+{
+    const gx_ht_order *porder = &pcache->order;
+    int level = porder->levels[b_level];
+    gx_ht_tile *bt = &pcache->ht_tiles[level / pcache->levels_per_tile];
+
+    if (bt->level != level) {
+	int code = render_ht(bt, level, porder, pcache->base_id + b_level);
+
+	if (code < 0)
+	    return 0;
+    }
+    return bt;
+}
+
+/* Load the device color into the halftone cache if needed. */
+private int
+gx_dc_ht_binary_load(gx_device_color * pdevc, const gs_imager_state * pis,
+		     gx_device * dev, gs_color_select_t select)
+{
+    const gx_ht_order *porder = &pis->dev_ht->order;
+    gx_ht_cache *pcache = pis->ht_cache;
+
+    if (pcache->order.bits != porder->bits)
+	gx_ht_init_cache(pcache, porder);
+    /* Expand gx_render_ht inline for speed. */
+    {
+	int b_level = pdevc->colors.binary.b_level;
+	int level = porder->levels[b_level];
+	gx_ht_tile *bt = &pcache->ht_tiles[level / pcache->levels_per_tile];
+
+	if (bt->level != level) {
+	    int code = render_ht(bt, level, porder,
+				 pcache->base_id + b_level);
+
+	    if (code < 0)
+		return_error(gs_error_Fatal);
+	}
+	pdevc->colors.binary.b_tile = bt;
+    }
+    return 0;
+}
+
+/* Fill a rectangle with a binary halftone. */
+/* Note that we treat this as "texture" for RasterOp. */
+private int
+gx_dc_ht_binary_fill_rectangle(const gx_device_color * pdevc, int x, int y,
+		  int w, int h, gx_device * dev, gs_logical_operation_t lop,
+			       const gx_rop_source_t * source)
+{
+    gx_rop_source_t no_source;
+
+    /*
+     * Observation of H-P devices and documentation yields confusing
+     * evidence about whether white pixels in halftones are always
+     * opaque.  It appears that for black-and-white devices, these
+     * pixels are *not* opaque.
+     */
+    if (dev->color_info.depth > 1)
+	lop &= ~lop_T_transparent;
+    if (source == NULL && lop_no_S_is_T(lop))
+	return (*dev_proc(dev, strip_tile_rectangle)) (dev,
+					&pdevc->colors.binary.b_tile->tiles,
+				  x, y, w, h, pdevc->colors.binary.color[0],
+					      pdevc->colors.binary.color[1],
+					    pdevc->phase.x, pdevc->phase.y);
+    /* Adjust the logical operation per transparent colors. */
+    if (pdevc->colors.binary.color[0] == gx_no_color_index)
+	lop = rop3_use_D_when_T_0(lop);
+    if (pdevc->colors.binary.color[1] == gx_no_color_index)
+	lop = rop3_use_D_when_T_1(lop);
+    if (source == NULL)
+	set_rop_no_source(source, no_source, dev);
+    return (*dev_proc(dev, strip_copy_rop)) (dev, source->sdata,
+			       source->sourcex, source->sraster, source->id,
+			     (source->use_scolors ? source->scolors : NULL),
+					&pdevc->colors.binary.b_tile->tiles,
+					     pdevc->colors.binary.color,
+				 x, y, w, h, pdevc->phase.x, pdevc->phase.y,
+					     lop);
+}
+
+/* Compare two binary halftones for equality. */
+private bool
+gx_dc_ht_binary_equal(const gx_device_color * pdevc1,
+		      const gx_device_color * pdevc2)
+{
+    return pdevc2->type == pdevc1->type &&
+	pdevc1->phase.x == pdevc2->phase.x &&
+	pdevc1->phase.y == pdevc2->phase.y &&
+	gx_dc_binary_color0(pdevc1) == gx_dc_binary_color0(pdevc2) &&
+	gx_dc_binary_color1(pdevc1) == gx_dc_binary_color1(pdevc2) &&
+	pdevc1->colors.binary.b_level == pdevc2->colors.binary.b_level;
+}
+
+/* Initialize the tile cache for a given screen. */
+/* Cache as many different levels as will fit. */
+void
+gx_ht_init_cache(gx_ht_cache * pcache, const gx_ht_order * porder)
+{
+    uint width = porder->width;
+    uint height = porder->height;
+    uint size = width * height + 1;
+    int width_unit =
+    (width <= ht_mask_bits / 2 ? ht_mask_bits / width * width :
+     width);
+    int height_unit = height;
+    uint raster = porder->raster;
+    uint tile_bytes = raster * height;
+    uint shift = porder->shift;
+    int num_cached;
+    int i;
+    byte *tbits = pcache->bits;
+
+    /* Non-monotonic halftones may have more bits than size. */
+    if (porder->num_bits >= size)
+	size = porder->num_bits + 1;
+    /* Make sure num_cached is within bounds */
+    num_cached = pcache->bits_size / tile_bytes;
+    if (num_cached > size)
+	num_cached = size;
+    if (num_cached > pcache->num_tiles)
+	num_cached = pcache->num_tiles;
+    if (num_cached == size &&
+	tile_bytes * num_cached <= pcache->bits_size / 2
+	) {			/*
+				 * We can afford to replicate every tile in the cache,
+				 * which will reduce breakage when tiling.  Since
+				 * horizontal breakage is more expensive than vertical,
+				 * and since wide shallow fills are more common than
+				 * narrow deep fills, we replicate the tile horizontally.
+				 * We do have to be careful not to replicate the tile
+				 * to an absurdly large size, however.
+				 */
+	uint rep_raster =
+	((pcache->bits_size / num_cached) / height) &
+	~(align_bitmap_mod - 1);
+	uint rep_count = rep_raster * 8 / width;
+
+	/*
+	 * There's no real value in replicating the tile
+	 * beyond the point where the byte width of the replicated
+	 * tile is a multiple of a long.
+	 */
+	if (rep_count > sizeof(ulong) * 8)
+	    rep_count = sizeof(ulong) * 8;
+	width_unit = width * rep_count;
+	raster = bitmap_raster(width_unit);
+	tile_bytes = raster * height;
+    }
+    pcache->base_id = gs_next_ids(porder->num_levels + 1);
+    pcache->order = *porder;
+    pcache->num_cached = num_cached;
+    pcache->levels_per_tile = (size + num_cached - 1) / num_cached;
+    memset(tbits, 0, pcache->bits_size);
+    for (i = 0; i < num_cached; i++, tbits += tile_bytes) {
+	register gx_ht_tile *bt = &pcache->ht_tiles[i];
+
+	bt->level = 0;
+	bt->index = i;
+	bt->tiles.data = tbits;
+	bt->tiles.raster = raster;
+	bt->tiles.size.x = width_unit;
+	bt->tiles.size.y = height_unit;
+	bt->tiles.rep_width = width;
+	bt->tiles.rep_height = height;
+	bt->tiles.shift = bt->tiles.rep_shift = shift;
+    }
+}
+
+/*
+ * Compute and save the rendering of a given gray level
+ * with the current halftone.  The cache holds multiple tiles,
+ * where each tile covers a range of possible levels.
+ * We adjust the tile whose range includes the desired level incrementally;
+ * this saves a lot of time for the average image, where gray levels
+ * don't change abruptly.  Note that the "level" is the number of bits,
+ * not the index in the levels vector.
+ */
+private int
+render_ht(gx_ht_tile * pbt, int level /* [1..num_bits-1] */ ,
+	  const gx_ht_order * porder, gx_bitmap_id new_id)
+{
+    int old_level = pbt->level;
+    register gx_ht_bit *p = &porder->bits[old_level];
+    register byte *data = pbt->tiles.data;
+
+    if_debug7('H', "[H]Halftone cache slot 0x%lx: old=%d, new=%d, w=%d(%d), h=%d(%d):\n",
+	      (ulong) data, old_level, level,
+	      pbt->tiles.size.x, porder->width,
+	      pbt->tiles.size.y, porder->num_bits / porder->width);
+#ifdef DEBUG
+    if (level < 0 || level > porder->num_bits) {
+	lprintf3("Error in render_ht: level=%d, old_level=%d, num_bits=%d\n", level, old_level, porder->num_bits);
+	return_error(gs_error_Fatal);
+    }
+#endif
+    /* Invert bits between the two pointers. */
+    /* Note that we can use the same loop to turn bits either */
+    /* on or off, using xor. */
+    /* The Borland compiler generates truly dreadful code */
+    /* if we don't assign the offset to a temporary. */
+#if arch_ints_are_short
+#  define invert_data(i)\
+     { uint off = p[i].offset; *(ht_mask_t *)&data[off] ^= p[i].mask; }
+#else
+#  define invert_data(i) *(ht_mask_t *)&data[p[i].offset] ^= p[i].mask
+#endif
+#ifdef DEBUG
+#  define invert(i)\
+     { if_debug3('H', "[H]invert level=%d offset=%u mask=0x%x\n",\
+	         (int)(p + i - porder->bits), p[i].offset, p[i].mask);\
+       invert_data(i);\
+     }
+#else
+#  define invert(i) invert_data(i)
+#endif
+  sw:switch (level - old_level) {
+	default:
+	    if (level > old_level) {
+		invert(0);
+		invert(1);
+		invert(2);
+		invert(3);
+		p += 4;
+		old_level += 4;
+	    } else {
+		invert(-1);
+		invert(-2);
+		invert(-3);
+		invert(-4);
+		p -= 4;
+		old_level -= 4;
+	    }
+	    goto sw;
+	case 7:
+	    invert(6);
+	case 6:
+	    invert(5);
+	case 5:
+	    invert(4);
+	case 4:
+	    invert(3);
+	case 3:
+	    invert(2);
+	case 2:
+	    invert(1);
+	case 1:
+	    invert(0);
+	case 0:
+	    break;		/* Shouldn't happen! */
+	case -7:
+	    invert(-7);
+	case -6:
+	    invert(-6);
+	case -5:
+	    invert(-5);
+	case -4:
+	    invert(-4);
+	case -3:
+	    invert(-3);
+	case -2:
+	    invert(-2);
+	case -1:
+	    invert(-1);
+    }
+#undef invert
+    pbt->level = level;
+    pbt->tiles.id = new_id;
+    /*
+     * Check whether we want to replicate the tile in the cache.
+     * Since we only do this when all the renderings will fit
+     * in the cache, we only do it once per level, and it doesn't
+     * have to be very efficient.
+     */
+	/****** TEST IS WRONG if width > rep_width but tile.raster ==
+	 ****** order raster.
+	 ******/
+    if (pbt->tiles.raster > porder->raster)
+	bits_replicate_horizontally(data, pbt->tiles.rep_width,
+				    pbt->tiles.rep_height, porder->raster,
+				    pbt->tiles.size.x, pbt->tiles.raster);
+    if (pbt->tiles.size.y > pbt->tiles.rep_height &&
+	pbt->tiles.shift == 0
+	)
+	bits_replicate_vertically(data, pbt->tiles.rep_height,
+				  pbt->tiles.raster, pbt->tiles.size.y);
+#ifdef DEBUG
+    if (gs_debug_c('H')) {
+	const byte *p = pbt->tiles.data;
+	int wb = pbt->tiles.raster;
+	const byte *ptr = p + wb * pbt->tiles.size.y;
+
+	while (p < ptr) {
+	    dprintf8(" %d%d%d%d%d%d%d%d",
+		     *p >> 7, (*p >> 6) & 1, (*p >> 5) & 1,
+		     (*p >> 4) & 1, (*p >> 3) & 1, (*p >> 2) & 1,
+		     (*p >> 1) & 1, *p & 1);
+	    if ((++p - data) % wb == 0)
+		dputc('\n');
+	}
+    }
+#endif
+    return 0;
+}
diff --git a/pstoraster/gxht.h b/pstoraster/gxht.h
new file mode 100644
index 000000000..8a86c0928
--- /dev/null
+++ b/pstoraster/gxht.h
@@ -0,0 +1,222 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Rest of (client) halftone definitions */
+
+#ifndef gxht_INCLUDED
+#  define gxht_INCLUDED
+
+#include "gscsepnm.h"
+#include "gsht1.h"
+#include "gsrefct.h"
+#include "gxhttype.h"
+#include "gxtmap.h"
+
+/*
+ * Halftone types. Note that for this implementation there are only
+ * spot functions, thresholds, and multi-component halftones; the peculiar
+ * colored halftones supported by PostScript (HalftoneType's 2 and 4) are
+ * not supported.
+ *
+ * NB1: While this code supports relocation of the client data, it will not
+ *      free that data when the halftone is released. The client must handle
+ *      that task directly.
+ *
+ * NB2: The garbage collection code will deal with the user provided data as
+ *      a structure pointer allocated on the heap. The client must make
+ *      certain this is the case.
+ *
+ * There is, somewhat unfortunately, no identifier applied to these
+ * halftones. This reflects the origin of this graphics library as a set
+ * of routines for use by a PostScript interpreter.
+ *
+ * In PostScript, halftone objects do not exist in an identified form outside
+ * of the graphic state. Though Level 2 and PostScript 3 support halftone
+ * dictionaries, these are neither read-only structures nor tagged
+ * by a unique identifier. Hence, they are not suitable for use as cache keys.
+ * Caching of halftones for PostScript is confined to the graphic state,
+ * and this holds true for the graphic library as well.
+ *
+ * Note also that implementing a generalized halftone cache is not trivial,
+ * as the device-specific representation of spot halftones depends on the 
+ * default transformation for the device, and more generally the device
+ * specific representation of halftones may depend on the sense of the device
+ * (additive or subtract). Hence, a halftone cache would need to be keyed
+ * by device. (This is not an issue when caching halftones in the graphic
+ * state as the device is also a component of the graphic state).
+ */
+
+/*
+ * Note that the transfer_closure members will replace transfer sometime
+ * in the future.  For the moment, transfer_closure is only used if
+ * transfer = 0.
+ */
+
+/* Type 1 halftone.  This is just a Level 1 halftone with */
+/* a few extra members. */
+typedef struct gs_spot_halftone_s {
+    gs_screen_halftone screen;
+    bool accurate_screens;
+    gs_mapping_proc transfer;	/* OBSOLETE */
+    gs_mapping_closure_t transfer_closure;
+} gs_spot_halftone;
+
+#define st_spot_halftone_max_ptrs st_screen_halftone_max_ptrs + 1
+
+/* Type 3 halftone. */
+typedef struct gs_threshold_halftone_s {
+    int width;
+    int height;
+    gs_const_string thresholds;
+    gs_mapping_proc transfer;	/* OBSOLETE */
+    gs_mapping_closure_t transfer_closure;
+} gs_threshold_halftone;
+
+#define st_threshold_halftone_max_ptrs 2
+
+/* Client-defined halftone that generates a halftone order. */
+typedef struct gs_client_order_halftone_s gs_client_order_halftone;
+
+#ifndef gx_ht_order_DEFINED
+#  define gx_ht_order_DEFINED
+typedef struct gx_ht_order_s gx_ht_order;
+
+#endif
+typedef struct gs_client_order_ht_procs_s {
+
+    /*
+     * Allocate and fill in the order.  gx_ht_alloc_client_order
+     * (see gzht.h) does everything but fill in the actual data.
+     */
+
+    int (*create_order) (P4(gx_ht_order * porder,
+			    gs_state * pgs,
+			    const gs_client_order_halftone * phcop,
+			    gs_memory_t * mem));
+
+} gs_client_order_ht_procs_t;
+struct gs_client_order_halftone_s {
+    int width;
+    int height;
+    int num_levels;
+    const gs_client_order_ht_procs_t *procs;
+    const void *client_data;
+    gs_mapping_closure_t transfer_closure;
+};
+
+#define st_client_order_halftone_max_ptrs 2
+
+/* Define the elements of a Type 5 halftone. */
+typedef struct gs_halftone_component_s {
+    gs_ht_separation_name cname;
+    gs_halftone_type type;
+    union {
+	gs_spot_halftone spot;	/* Type 1 */
+	gs_threshold_halftone threshold;	/* Type 3 */
+	gs_client_order_halftone client_order;	/* client order */
+    } params;
+} gs_halftone_component;
+
+extern_st(st_halftone_component);
+#define public_st_halftone_component()	/* in gsht1.c */\
+  gs_public_st_composite(st_halftone_component, gs_halftone_component,\
+    "gs_halftone_component", halftone_component_enum_ptrs,\
+    halftone_component_reloc_ptrs)
+extern_st(st_ht_component_element);
+#define public_st_ht_component_element() /* in gsht1.c */\
+  gs_public_st_element(st_ht_component_element, gs_halftone_component,\
+    "gs_halftone_component[]", ht_comp_elt_enum_ptrs, ht_comp_elt_reloc_ptrs,\
+    st_halftone_component)
+#define st_halftone_component_max_ptrs\
+  max(max(st_spot_halftone_max_ptrs, st_threshold_halftone_max_ptrs),\
+      st_client_order_halftone_max_ptrs)
+
+/* Define the Type 5 halftone itself. */
+typedef struct gs_multiple_halftone_s {
+    gs_halftone_component *components;
+    uint num_comp;
+} gs_multiple_halftone;
+
+#define st_multiple_halftone_max_ptrs 1
+
+/*
+ * The halftone stored in the graphics state is the union of
+ * setscreen, setcolorscreen, Type 1, Type 3, and Type 5.
+ *
+ * NOTE: it is assumed that all subsidiary structures of halftones (the
+ * threshold array(s) for Type 3 halftones or halftone components, and the
+ * components array for Type 5 halftones) are allocated with the same
+ * allocator as the halftone structure itself.
+ */
+struct gs_halftone_s {
+    gs_halftone_type type;
+    rc_header rc;
+    union {
+	gs_screen_halftone screen;	/* setscreen */
+	gs_colorscreen_halftone colorscreen;	/* setcolorscreen */
+	gs_spot_halftone spot;	/* Type 1 */
+	gs_threshold_halftone threshold;	/* Type 3 */
+	gs_client_order_halftone client_order;	/* client order */
+	gs_multiple_halftone multiple;	/* Type 5 */
+    } params;
+};
+
+extern_st(st_halftone);
+#define public_st_halftone()	/* in gsht.c */\
+  gs_public_st_composite(st_halftone, gs_halftone, "gs_halftone",\
+    halftone_enum_ptrs, halftone_reloc_ptrs)
+#define st_halftone_max_ptrs\
+  max(max(st_screen_halftone_max_ptrs, st_colorscreen_halftone_max_ptrs),\
+      max(max(st_spot_halftone_max_ptrs, st_threshold_halftone_max_ptrs),\
+	  max(st_client_order_halftone_max_ptrs,\
+	      st_multiple_halftone_max_ptrs)))
+
+/* Procedural interface for AccurateScreens */
+
+/*
+ * Set/get the default AccurateScreens value (for set[color]screen).
+ * Note that this value is stored in a static variable.
+ */
+void gs_setaccuratescreens(P1(bool));
+bool gs_currentaccuratescreens(P0());
+
+/* Initiate screen sampling with optional AccurateScreens. */
+int gs_screen_init_memory(P5(gs_screen_enum *, gs_state *,
+			     gs_screen_halftone *, bool, gs_memory_t *));
+
+#define gs_screen_init_accurate(penum, pgs, phsp, accurate)\
+  gs_screen_init_memory(penum, pgs, phsp, accurate, pgs->memory)
+
+/* Procedural interface for MinScreenLevels (a Ghostscript extension) */
+
+/*
+ * Set/get the MinScreenLevels value.
+ *
+ * Note that this value is stored in a static variable.
+ */
+void gs_setminscreenlevels(P1(uint));
+uint gs_currentminscreenlevels(P0());
+
+#endif /* gxht_INCLUDED */
diff --git a/pstoraster/gxhttile.h b/pstoraster/gxhttile.h
new file mode 100644
index 000000000..f72f7ad3b
--- /dev/null
+++ b/pstoraster/gxhttile.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Halftone tile definition */
+/* Requires gxbitmap.h */
+
+#ifndef gxhttile_INCLUDED
+#  define gxhttile_INCLUDED
+
+/*
+ * A halftone tile is just an ordinary bitmap tile, plus a couple of other
+ * items associated with managing its existence in a tile cache.
+ * (See gzht.h for details.)  We define this in its own file so that
+ * clients of gx_device_color can access it.
+ */
+
+#ifndef gx_ht_tile_DEFINED
+#  define gx_ht_tile_DEFINED
+typedef struct gx_ht_tile_s gx_ht_tile;
+
+#endif
+
+struct gx_ht_tile_s {
+    gx_strip_bitmap tiles;	/* the currently rendered tile */
+    int level;			/* the cached gray level, i.e. */
+    /* the number of spots whitened, */
+    /* or -1 if the cache is empty */
+    uint index;			/* the index of the tile within */
+    /* the cache (for GC) */
+};
+
+#endif /* gxhttile_INCLUDED */
diff --git a/pstoraster/gxhttype.h b/pstoraster/gxhttype.h
new file mode 100644
index 000000000..d39200ac4
--- /dev/null
+++ b/pstoraster/gxhttype.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Client halftone type enumeration */
+
+#ifndef gxhttype_INCLUDED
+#  define gxhttype_INCLUDED
+
+/* Halftone types */
+typedef enum {
+    ht_type_none,		/* is this needed? */
+    ht_type_screen,		/* set by setscreen */
+    ht_type_colorscreen,	/* set by setcolorscreen */
+    ht_type_spot,		/* Type 1 halftone dictionary */
+    ht_type_threshold,		/* Type 3 halftone dictionary */
+    ht_type_multiple,		/* Type 5 halftone dictionary */
+    ht_type_multiple_colorscreen,	/* Type 5 halftone dictionary */
+    /* created from Type 2 or Type 4 */
+    /* halftone dictionary  */
+    ht_type_client_order	/* client-defined, creating a gx_ht_order */
+} gs_halftone_type;
+
+#endif /* gxhttype_INCLUDED */
diff --git a/pstoraster/gxi12bit.c b/pstoraster/gxi12bit.c
new file mode 100644
index 000000000..e5f40b550
--- /dev/null
+++ b/pstoraster/gxi12bit.c
@@ -0,0 +1,300 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* 12-bit image procedures */
+#include "gx.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxfrac.h"
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gsccolor.h"
+#include "gspaint.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxdevmem.h"
+#include "gxcpath.h"
+#include "gximage.h"
+
+/* ---------------- Unpacking procedures ---------------- */
+
+private const byte *
+sample_unpack_12(byte * bptr, int *pdata_x, const byte * data,
+		 int data_x, uint dsize, const sample_lookup_t * ignore_ptab,
+		 int spread)
+{
+    register frac *bufp = (frac *) bptr;
+    uint dskip = (data_x >> 1) * 3;
+    const byte *psrc = data + dskip;
+#define inc_bufp(bp, n) bp = (frac *)((byte *)(bp) + (n))
+    uint sample;
+    int left = dsize - dskip;
+
+    if ((data_x & 1) && left > 0)
+	switch (left) {
+	    default:
+		sample = ((uint) (psrc[1] & 0xf) << 8) + psrc[2];
+		*bufp = bits2frac(sample, 12);
+		inc_bufp(bufp, spread);
+		psrc += 3;
+		left -= 3;
+		break;
+	    case 2:		/* xxxxxxxx xxxxdddd */
+		*bufp = (psrc[1] & 0xf) * (frac_1 / 15);
+	    case 1:		/* xxxxxxxx */
+		left = 0;
+	}
+    while (left >= 3) {
+	sample = ((uint) * psrc << 4) + (psrc[1] >> 4);
+	*bufp = bits2frac(sample, 12);
+	inc_bufp(bufp, spread);
+	sample = ((uint) (psrc[1] & 0xf) << 8) + psrc[2];
+	*bufp = bits2frac(sample, 12);
+	inc_bufp(bufp, spread);
+	psrc += 3;
+	left -= 3;
+    }
+    /* Handle trailing bytes. */
+    switch (left) {
+	case 2:		/* dddddddd ddddxxxx */
+	    sample = ((uint) * psrc << 4) + (psrc[1] >> 4);
+	    *bufp = bits2frac(sample, 12);
+	    inc_bufp(bufp, spread);
+	    *bufp = (psrc[1] & 0xf) * (frac_1 / 15);
+	    break;
+	case 1:		/* dddddddd */
+	    sample = (uint) * psrc << 4;
+	    *bufp = bits2frac(sample, 12);
+	    break;
+	case 0:		/* Nothing more to do. */
+	    ;
+    }
+    *pdata_x = 0;
+    return bptr;
+}
+
+/* ------ Strategy procedure ------ */
+
+/* Use special (slow) logic for 12-bit source values. */
+private irender_proc(image_render_frac);
+private irender_proc_t
+image_strategy_frac(gx_image_enum * penum)
+{
+    if (penum->bps > 8) {
+	if_debug0('b', "[b]render=frac\n");
+	return image_render_frac;
+    }
+    return 0;
+}
+
+void
+gs_gxi12bit_init(gs_memory_t * mem)
+{
+    image_strategies.fracs = image_strategy_frac;
+    sample_unpack_12_proc = sample_unpack_12;
+}
+
+/* ---------------- Rendering procedures ---------------- */
+
+/* ------ Rendering for 12-bit samples ------ */
+
+/* Render an image with more than 8 bits per sample. */
+/* The samples have been expanded into fracs. */
+#define longs_per_4_fracs (arch_sizeof_frac * 4 / arch_sizeof_long)
+typedef union {
+    frac v[4];
+    long all[longs_per_4_fracs];	/* for fast comparison */
+} color_fracs;
+
+#if longs_per_4_fracs == 1
+#  define color_frac_eq(f1, f2)\
+     ((f1).all[0] == (f2).all[0])
+#else
+#if longs_per_4_fracs == 2
+#  define color_frac_eq(f1, f2)\
+     ((f1).all[0] == (f2).all[0] && (f1).all[1] == (f2).all[1])
+#endif
+#endif
+private int
+image_render_frac(gx_image_enum * penum, const byte * buffer, int data_x,
+		  uint w, int h, gx_device * dev)
+{
+    const gs_imager_state *pis = penum->pis;
+    gs_logical_operation_t lop = penum->log_op;
+    gx_dda_fixed_point pnext;
+    image_posture posture = penum->posture;
+    fixed xl, ytf;
+    fixed pdyx, pdyy;		/* edge of parallelogram */
+    int yt = penum->yci, iht = penum->hci;
+    const gs_color_space *pcs = penum->pcs;
+    cs_proc_remap_color((*remap_color)) = pcs->type->remap_color;
+    gs_client_color cc;
+    int device_color = penum->device_color;
+    const gx_color_map_procs *cmap_procs = gx_device_cmap_procs(dev);
+    cmap_proc_rgb((*map_rgb)) = cmap_procs->map_rgb;
+    cmap_proc_cmyk((*map_cmyk)) = cmap_procs->map_cmyk;
+    gx_device_color devc1, devc2;
+    gx_device_color *pdevc = &devc1;
+    gx_device_color *pdevc_next = &devc2;
+    int spp = penum->spp;
+    const frac *psrc = (const frac *)buffer + data_x * spp;
+    fixed xrun;			/* x at start of run */
+    int irun;			/* int xrun */
+    fixed yrun;			/* y ditto */
+    color_fracs run;		/* run value */
+    color_fracs next;		/* next sample value */
+    const frac *bufend = psrc + w;
+    int code;
+
+    if (h == 0)
+	return 0;
+    pnext = penum->dda.pixel0;
+    xrun = xl = dda_current(pnext.x);
+    irun = fixed2int_var_rounded(xrun);
+    yrun = ytf = dda_current(pnext.y);
+    pdyx = dda_current(penum->dda.row.x) - penum->cur.x;
+    pdyy = dda_current(penum->dda.row.y) - penum->cur.y;
+    if_debug4('b', "[b]y=%d w=%d xt=%f yt=%f\n",
+	      penum->y, w, fixed2float(xl), fixed2float(ytf));
+    run.v[0] = run.v[1] = run.v[2] = run.v[3] = 0;
+    next.v[0] = next.v[1] = next.v[2] = next.v[3] = 0;
+    cc.paint.values[0] = cc.paint.values[1] =
+	cc.paint.values[2] = cc.paint.values[3] = 0;
+    cc.pattern = 0;
+    (*remap_color) (&cc, pcs, pdevc, pis, dev, gs_color_select_source);
+    run.v[0] = ~psrc[0];	/* force remap */
+
+    while (psrc < bufend) {
+	next.v[0] = psrc[0];
+	switch (spp) {
+	    case 4:		/* cmyk */
+		next.v[1] = psrc[1];
+		next.v[2] = psrc[2];
+		next.v[3] = psrc[3];
+		psrc += 4;
+		if (color_frac_eq(next, run))
+		    goto inc;
+		if (device_color) {
+		    (*map_cmyk) (next.v[0], next.v[1],
+				 next.v[2], next.v[3],
+				 pdevc_next, pis, dev,
+				 gs_color_select_source);
+		    goto f;
+		}
+		decode_frac(next.v[0], cc, 0);
+		decode_frac(next.v[1], cc, 1);
+		decode_frac(next.v[2], cc, 2);
+		decode_frac(next.v[3], cc, 3);
+		if_debug4('B', "[B]cc[0..3]=%g,%g,%g,%g\n",
+			  cc.paint.values[0], cc.paint.values[1],
+			  cc.paint.values[2], cc.paint.values[3]);
+		if_debug1('B', "[B]cc[3]=%g\n",
+			  cc.paint.values[3]);
+		break;
+	    case 3:		/* rgb */
+		next.v[1] = psrc[1];
+		next.v[2] = psrc[2];
+		psrc += 3;
+		if (color_frac_eq(next, run))
+		    goto inc;
+		if (device_color) {
+		    (*map_rgb) (next.v[0], next.v[1],
+				next.v[2], pdevc_next, pis, dev,
+				gs_color_select_source);
+		    goto f;
+		}
+		decode_frac(next.v[0], cc, 0);
+		decode_frac(next.v[1], cc, 1);
+		decode_frac(next.v[2], cc, 2);
+		if_debug3('B', "[B]cc[0..2]=%g,%g,%g\n",
+			  cc.paint.values[0], cc.paint.values[1],
+			  cc.paint.values[2]);
+		break;
+	    case 1:		/* gray */
+		psrc++;
+		if (next.v[0] == run.v[0])
+		    goto inc;
+		if (device_color) {
+		    (*map_rgb) (next.v[0], next.v[0],
+				next.v[0], pdevc_next, pis, dev,
+				gs_color_select_source);
+		    goto f;
+		}
+		decode_frac(next.v[0], cc, 0);
+		if_debug1('B', "[B]cc[0]=%g\n",
+			  cc.paint.values[0]);
+		break;
+	}
+	(*remap_color) (&cc, pcs, pdevc_next, pis, dev,
+			gs_color_select_source);
+f:
+	if_debug7('B', "[B]0x%x,0x%x,0x%x,0x%x -> %ld,%ld,0x%lx\n",
+		  next.v[0], next.v[1], next.v[2], next.v[3],
+		  pdevc_next->colors.binary.color[0],
+		  pdevc_next->colors.binary.color[1],
+		  (ulong) pdevc_next->type);
+	/* Even though the supplied colors don't match, */
+	/* the device colors might. */
+	if (!dev_color_eq(devc1, devc2)) {
+	    /* Fill the region between xrun/irun and xl */
+	    gx_device_color *ptemp;
+
+	    if (posture != image_portrait) {	/* Parallelogram */
+		code = (*dev_proc(dev, fill_parallelogram))
+		    (dev, xrun, yrun,
+		     xl - xrun, ytf - yrun, pdyx, pdyy,
+		     pdevc, lop);
+	    } else {		/* Rectangle */
+		int xi = irun;
+		int wi = (irun = fixed2int_var_rounded(xl)) - xi;
+
+		if (wi < 0)
+		    xi += wi, wi = -wi;
+		code = gx_fill_rectangle_device_rop(xi, yt,
+						  wi, iht, pdevc, dev, lop);
+	    }
+	    if (code < 0)
+		return code;
+	    ptemp = pdevc;
+	    pdevc = pdevc_next;
+	    pdevc_next = ptemp;
+	    xrun = xl;
+	    yrun = ytf;
+	}
+	run = next;
+inc:
+	xl = dda_next(pnext.x);
+	ytf = dda_next(pnext.y);
+    }
+    /* Fill the final run. */
+    code = (*dev_proc(dev, fill_parallelogram))
+	(dev, xrun, yrun, xl - xrun, ytf - yrun, pdyx, pdyy, pdevc, lop);
+    return (code < 0 ? code : 1);
+}
diff --git a/pstoraster/gxicolor.c b/pstoraster/gxicolor.c
new file mode 100644
index 000000000..ac2ab49ef
--- /dev/null
+++ b/pstoraster/gxicolor.c
@@ -0,0 +1,307 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color image rendering */
+#include "gx.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxfrac.h"
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gsccolor.h"
+#include "gspaint.h"
+#include "gzstate.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxdcconv.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxdevmem.h"
+#include "gxcpath.h"
+#include "gximage.h"
+
+/* ------ Strategy procedure ------ */
+
+private irender_proc(image_render_color);
+private irender_proc_t
+image_strategy_color(gx_image_enum * penum)
+{
+    return image_render_color;
+}
+
+void
+gs_gxicolor_init(gs_memory_t * mem)
+{
+    image_strategies.color = image_strategy_color;
+}
+
+/* ------ Rendering procedures ------ */
+
+/* Render a color image with 8 or fewer bits per sample. */
+typedef union {
+    byte v[4];
+    bits32 all;			/* for fast comparison & clearing */
+} color_samples;
+private int
+image_render_color(gx_image_enum * penum, const byte * buffer, int data_x,
+		   uint w, int h, gx_device * dev)
+{
+    const gs_imager_state *pis = penum->pis;
+    gs_logical_operation_t lop = penum->log_op;
+    gx_dda_fixed_point pnext;
+    image_posture posture = penum->posture;
+    fixed xprev, yprev;
+    fixed pdyx, pdyy;		/* edge of parallelogram */
+    int vci, vdi;
+    const gs_color_space *pcs = penum->pcs;
+    cs_proc_remap_color((*remap_color)) = pcs->type->remap_color;
+    gs_client_color cc;
+    bool device_color = penum->device_color;
+    const gx_color_map_procs *cmap_procs = gx_device_cmap_procs(dev);
+    cmap_proc_rgb((*map_3)) = cmap_procs->map_rgb;
+    cmap_proc_cmyk((*map_4)) =
+	(penum->alpha ? cmap_procs->map_rgb_alpha : cmap_procs->map_cmyk);
+    gx_image_clue *pic = &penum->clues[0];
+#define pdevc (&pic->dev_color)
+    gx_image_clue *pic_next = &penum->clues[1];
+#define pdevc_next (&pic_next->dev_color)
+    gx_image_clue empty_clue;
+    gx_image_clue clue_temp;
+    int spp = penum->spp;
+    const byte *psrc = buffer + data_x * spp;
+    fixed xrun;			/* x at start of run */
+    fixed yrun;			/* y ditto */
+    int irun;			/* int x/rrun */
+    color_samples run;		/* run value */
+    color_samples next;		/* next sample value */
+    const byte *bufend = psrc + w;
+    bool use_cache = spp * penum->bps <= 12;
+    int code = 0;
+
+    if (h == 0)
+	return 0;
+    pnext = penum->dda.pixel0;
+    xrun = xprev = dda_current(pnext.x);
+    yrun = yprev = dda_current(pnext.y);
+    pdyx = dda_current(penum->dda.row.x) - penum->cur.x;
+    pdyy = dda_current(penum->dda.row.y) - penum->cur.y;
+    switch (posture) {
+	case image_portrait:
+	    vci = penum->yci, vdi = penum->hci;
+	    irun = fixed2int_var_rounded(xrun);
+	    break;
+	case image_landscape:
+	    vci = penum->xci, vdi = penum->wci;
+	    irun = fixed2int_var_rounded(yrun);
+	    break;
+	default:
+	    break;
+    }
+
+    if_debug4('b', "[b]y=%d w=%d xt=%f yt=%f\n",
+	      penum->y, w, fixed2float(xprev), fixed2float(yprev));
+    run.all = 0;
+    next.all = 0;
+    /* Ensure that we don't get any false dev_color_eq hits. */
+    if (use_cache) {
+	color_set_pure(&empty_clue.dev_color, gx_no_color_index);
+	pic = &empty_clue;
+    }
+    cc.paint.values[0] = cc.paint.values[1] =
+	cc.paint.values[2] = cc.paint.values[3] = 0;
+    cc.pattern = 0;
+    run.v[0] = ~psrc[0];	/* force remap */
+    while (psrc < bufend) {
+	dda_next(pnext.x);
+	dda_next(pnext.y);
+#define CLUE_HASH3(penum, next)\
+  &penum->clues[(next.v[0] + (next.v[1] << 2) + (next.v[2] << 4)) & 255];
+#define CLUE_HASH4(penum, next)\
+  &penum->clues[(next.v[0] + (next.v[1] << 2) + (next.v[2] << 4) +\
+		 (next.v[3] << 6)) & 255]
+
+	if (spp == 4) {		/* cmyk or rgba */
+	    next.v[0] = psrc[0];
+	    next.v[1] = psrc[1];
+	    next.v[2] = psrc[2];
+	    next.v[3] = psrc[3];
+	    psrc += 4;
+map4:	    if (next.all == run.all)
+		goto inc;
+	    if (use_cache) {
+		pic_next = CLUE_HASH4(penum, next);
+		if (pic_next->key == next.all)
+		    goto f;
+		/*
+		 * If we are really unlucky, pic_next == pic,
+		 * so mapping this color would clobber the one
+		 * we're about to use for filling the run.
+		 */
+		if (pic_next == pic) {
+		    clue_temp = *pic;
+		    pic = &clue_temp;
+		}
+		pic_next->key = next.all;
+	    }
+	    if (device_color) {
+		(*map_4)(byte2frac(next.v[0]), byte2frac(next.v[1]),
+			 byte2frac(next.v[2]), byte2frac(next.v[3]),
+			 pdevc_next, pis, dev,
+			 gs_color_select_source);
+		goto mapped;
+	    }
+	    decode_sample(next.v[3], cc, 3);
+	    if_debug1('B', "[B]cc[3]=%g\n", cc.paint.values[3]);
+	} else if (spp == 3) {	    /* rgb */
+	    next.v[0] = psrc[0];
+	    next.v[1] = psrc[1];
+	    next.v[2] = psrc[2];
+	    psrc += 3;
+	    if (next.all == run.all)
+		goto inc;
+	    if (use_cache) {
+		pic_next = CLUE_HASH3(penum, next);
+		if (pic_next->key == next.all)
+		    goto f;
+		/* See above re the following check. */
+		if (pic_next == pic) {
+		    clue_temp = *pic;
+		    pic = &clue_temp;
+		}
+		pic_next->key = next.all;
+	    }
+	    if (device_color) {
+		(*map_3)(byte2frac(next.v[0]), byte2frac(next.v[1]),
+			 byte2frac(next.v[2]),
+			 pdevc_next, pis, dev,
+			 gs_color_select_source);
+		goto mapped;
+	    }
+	} else if (spp == 2) {	/* gray+alpha */
+	    next.v[2] = next.v[1] = next.v[0] = psrc[0];
+	    next.v[3] = psrc[1];
+	    psrc += 2;
+	    goto map4;
+	} else {		/* spp == 5, cmyk+alpha */
+	    /* Convert CMYK to RGB. */
+	    frac rgb[3];
+
+	    color_cmyk_to_rgb(byte2frac(psrc[0]), byte2frac(psrc[1]),
+			      byte2frac(psrc[2]), byte2frac(psrc[3]),
+			      pis, rgb);
+	    /*
+	     * It seems silly to do all this converting between
+	     * fracs and bytes, but that's what the current
+	     * APIs require.
+	     */
+	    next.v[0] = frac2byte(rgb[0]);
+	    next.v[1] = frac2byte(rgb[1]);
+	    next.v[2] = frac2byte(rgb[2]);
+	    next.v[3] = psrc[4];
+	    psrc += 5;
+	    goto map4;
+	}
+	decode_sample(next.v[0], cc, 0);
+	decode_sample(next.v[1], cc, 1);
+	decode_sample(next.v[2], cc, 2);
+	if_debug3('B', "[B]cc[0..2]=%g,%g,%g\n",
+		  cc.paint.values[0], cc.paint.values[1],
+		  cc.paint.values[2]);
+	(*remap_color) (&cc, pcs, pdevc_next, pis, dev,
+			gs_color_select_source);
+mapped:	if (pic == pic_next)
+	    goto fill;
+f:	if_debug7('B', "[B]0x%x,0x%x,0x%x,0x%x -> %ld,%ld,0x%lx\n",
+		  next.v[0], next.v[1], next.v[2], next.v[3],
+		  pdevc_next->colors.binary.color[0],
+		  pdevc_next->colors.binary.color[1],
+		  (ulong) pdevc_next->type);
+	/* Even though the supplied colors don't match, */
+	/* the device colors might. */
+	if (dev_color_eq(*pdevc, *pdevc_next))
+	    goto set;
+fill:	/* Fill the region between */
+	/* xrun/irun and xprev */
+	switch (posture) {
+	case image_portrait:
+	    {		/* Rectangle */
+		int xi = irun;
+		int wi =
+		    (irun = fixed2int_var_rounded(xprev)) - xi;
+
+		if (wi < 0)
+		    xi += wi, wi = -wi;
+		if (wi > 0)
+		    code = gx_fill_rectangle_device_rop(xi, vci, wi, vdi,
+							pdevc, dev, lop);
+		xrun = xprev;	/* for sake of final run */
+	    }
+	    break;
+	case image_landscape:
+	    {		/* 90 degree rotated rectangle */
+		int yi = irun;
+		int hi =
+		    (irun = fixed2int_var_rounded(yprev)) - yi;
+
+		if (hi < 0)
+		    yi += hi, hi = -hi;
+		if (hi > 0)
+		    code = gx_fill_rectangle_device_rop(vci, yi, vdi, hi,
+							pdevc, dev, lop);
+		yrun = yprev;	/* for sake of final run */
+	    }
+	    break;
+	default:
+	    {		/* Parallelogram */
+		code = (*dev_proc(dev, fill_parallelogram))
+		    (dev, xrun, yrun,
+		     xprev - xrun, yprev - yrun, pdyx, pdyy,
+		     pdevc, lop);
+		xrun = xprev;
+		yrun = yprev;
+	    }
+	}
+	if (code < 0)
+	    return code;
+	if (use_cache)
+	    pic = pic_next;
+	else {
+	    gx_image_clue *ptemp = pic;
+
+	    pic = pic_next;
+	    pic_next = ptemp;
+	}
+set:	run.all = next.all;
+inc:	xprev = dda_current(pnext.x);
+	yprev = dda_current(pnext.y);	/* harmless if no skew */
+    }
+    /* Fill the last run. */
+    code = (*dev_proc(dev, fill_parallelogram))
+	(dev, xrun, yrun, xprev - xrun, yprev - yrun, pdyx, pdyy, pdevc, lop);
+    return (code < 0 ? code : 1);
+}
diff --git a/pstoraster/gxidata.c b/pstoraster/gxidata.c
new file mode 100644
index 000000000..58d32540e
--- /dev/null
+++ b/pstoraster/gxidata.c
@@ -0,0 +1,255 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic image enumeration and cleanup */
+#include "gx.h"
+#include "memory_.h"
+#include "gserrors.h"
+#include "gxdevice.h"
+#include "gxcpath.h"
+#include "gximage.h"
+
+/* Process the next piece of an ImageType 1 image. */
+int
+gx_image1_plane_data(gx_device * dev, gx_image_enum_common_t * info,
+		     const gx_image_plane_t * planes, int height)
+{
+    gx_image_enum *penum = (gx_image_enum *) info;
+    int y = penum->y;
+    int y_end = min(y + height, penum->rect.h);
+    int width_spp = penum->rect.w * penum->spp;
+    int num_planes = penum->num_planes;
+
+#define bcount(plane)		/* bytes per data row */\
+  (((penum->rect.w + (plane).data_x) * penum->spp / num_planes * penum->bps\
+    + 7) >> 3)
+    fixed adjust = penum->adjust;
+    ulong offsets[gs_image_max_components];
+    int ignore_data_x;
+    int code;
+
+    if (height == 0)
+	return 0;
+
+    /* Set up the clipping and/or RasterOp device if needed. */
+
+    if (penum->clip_dev) {
+	gx_device_clip *cdev = penum->clip_dev;
+
+	cdev->target = dev;
+	dev = (gx_device *) cdev;
+    }
+    if (penum->rop_dev) {
+	gx_device_rop_texture *rtdev = penum->rop_dev;
+
+	((gx_device_forward *) rtdev)->target = dev;
+	dev = (gx_device *) rtdev;
+    }
+    /* Now render complete rows. */
+
+    memset(offsets, 0, num_planes * sizeof(offsets[0]));
+    for (; penum->y < y_end; penum->y++) {
+	int px;
+
+	/*
+	 * Normally, we unpack the data into the buffer, but if
+	 * there is only one plane and we don't need to expand the
+	 * input samples, we may use the data directly.
+	 */
+	int sourcex = planes[0].data_x;
+	const byte *buffer =
+	(*penum->unpack) (penum->buffer, &sourcex,
+			  planes[0].data + offsets[0],
+			  planes[0].data_x, bcount(planes[0]),
+			  &penum->map[0].table, penum->spread);
+
+	offsets[0] += planes[0].raster;
+	for (px = 1; px < num_planes; ++px) {
+	    (*penum->unpack) (penum->buffer + (px << penum->log2_xbytes),
+			      &ignore_data_x,
+			      planes[px].data + offsets[px],
+			      planes[px].data_x, bcount(planes[px]),
+			      &penum->map[px].table, penum->spread);
+	    offsets[px] += planes[px].raster;
+	}
+#ifdef DEBUG
+	if (gs_debug_c('B')) {
+	    int i, n = width_spp;
+
+	    dlputs("[B]row:");
+	    for (i = 0; i < n; i++)
+		dprintf1(" %02x", buffer[i]);
+	    dputs("\n");
+	}
+#endif
+	penum->cur.x = dda_current(penum->dda.row.x);
+	dda_next(penum->dda.row.x);
+	penum->cur.y = dda_current(penum->dda.row.y);
+	dda_next(penum->dda.row.y);
+	if (!penum->interpolate)
+	    switch (penum->posture) {
+		case image_portrait:
+		    {		/* Precompute integer y and height, */
+			/* and check for clipping. */
+			fixed yc = penum->cur.y, yn = dda_current(penum->dda.row.y);
+
+			if (yn < yc) {
+			    fixed temp = yn;
+
+			    yn = yc;
+			    yc = temp;
+			}
+			yc -= adjust;
+			if (yc >= penum->clip_outer.q.y)
+			    goto mt;
+			yn += adjust;
+			if (yn <= penum->clip_outer.p.y)
+			    goto mt;
+			penum->yci = fixed2int_pixround(yc);
+			penum->hci = fixed2int_pixround(yn) - penum->yci;
+			if (penum->hci == 0)
+			    goto mt;
+		    }
+		    break;
+		case image_landscape:
+		    {		/* Check for no pixel centers in x. */
+			fixed xc = penum->cur.x, xn = dda_current(penum->dda.row.x);
+
+			if (xn < xc) {
+			    fixed temp = xn;
+
+			    xn = xc;
+			    xc = temp;
+			}
+			xc -= adjust;
+			if (xc >= penum->clip_outer.q.x)
+			    goto mt;
+			xn += adjust;
+			if (xn <= penum->clip_outer.p.x)
+			    goto mt;
+			penum->xci = fixed2int_pixround(xc);
+			penum->wci = fixed2int_pixround(xn) - penum->xci;
+			if (penum->wci == 0)
+			    goto mt;
+		    }
+		    break;
+		case image_skewed:
+		    ;
+	    }
+	dda_translate(penum->dda.pixel0.x,
+		      penum->cur.x - penum->prev.x);
+	dda_translate(penum->dda.pixel0.y,
+		      penum->cur.y - penum->prev.y);
+	penum->prev = penum->cur;
+	code = (*penum->render) (penum, buffer, sourcex, width_spp, 1,
+				 dev);
+	if (code < 0)
+	    goto err;
+      mt:;
+    }
+    if (penum->y < penum->rect.h) {
+	code = 0;
+	goto out;
+    }
+    /* End of data.  Render any left-over buffered data. */
+    code = gx_image1_flush(info);
+    if (code < 0) {
+	penum->y--;
+	goto err;
+    }
+    code = 1;
+    goto out;
+  err:				/* Error or interrupt, restore original state. */
+    while (penum->y > y) {
+	dda_previous(penum->dda.row.x);
+	dda_previous(penum->dda.row.y);
+	--(penum->y);
+    }
+    /* Note that caller must call end_image */
+    /* for both error and normal termination. */
+  out:return code;
+}
+
+/* Flush any buffered data. */
+int
+gx_image1_flush(gx_image_enum_common_t * info)
+{
+    gx_image_enum *penum = (gx_image_enum *)info;
+    int width_spp = penum->rect.w * penum->spp;
+    fixed adjust = penum->adjust;
+
+    penum->cur.x = dda_current(penum->dda.row.x);
+    penum->cur.y = dda_current(penum->dda.row.y);
+    switch (penum->posture) {
+	case image_portrait:
+	    {
+		fixed yc = penum->cur.y;
+
+		penum->yci = fixed2int_rounded(yc - adjust);
+		penum->hci = fixed2int_rounded(yc + adjust) - penum->yci;
+	    }
+	    break;
+	case image_landscape:
+	    {
+		fixed xc = penum->cur.x;
+
+		penum->xci = fixed2int_rounded(xc - adjust);
+		penum->wci = fixed2int_rounded(xc + adjust) - penum->xci;
+	    }
+	    break;
+	case image_skewed:	/* pacify compilers */
+	    ;
+    }
+    dda_translate(penum->dda.pixel0.x, penum->cur.x - penum->prev.x);
+    dda_translate(penum->dda.pixel0.y, penum->cur.y - penum->prev.y);
+    penum->prev = penum->cur;
+    return (*penum->render)(penum, NULL, 0, width_spp, 0, penum->dev);
+}
+
+/* Clean up by releasing the buffers. */
+/* Currently we ignore draw_last. */
+int
+gx_image1_end_image(gx_device *ignore_dev, gx_image_enum_common_t * info,
+		    bool draw_last)
+{
+    gx_image_enum *penum = (gx_image_enum *) info;
+    gs_memory_t *mem = penum->memory;
+    stream_IScale_state *scaler = penum->scaler;
+
+#ifdef DEBUG
+    if_debug2('b', "[b]%send_image, y=%d\n",
+	      (penum->y < penum->rect.h ? "premature " : ""), penum->y);
+#endif
+    gs_free_object(mem, penum->rop_dev, "image RasterOp");
+    gs_free_object(mem, penum->clip_dev, "image clipper");
+    if (scaler != 0) {
+	(*s_IScale_template.release) ((stream_state *) scaler);
+	gs_free_object(mem, scaler, "image scaler state");
+    }
+    gs_free_object(mem, penum->line, "image line");
+    gs_free_object(mem, penum->buffer, "image buffer");
+    gs_free_object(mem, penum, "gx_default_end_image");
+    return 0;
+}
diff --git a/pstoraster/gxifast.c b/pstoraster/gxifast.c
new file mode 100644
index 000000000..cb7008241
--- /dev/null
+++ b/pstoraster/gxifast.c
@@ -0,0 +1,716 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Fast monochrome image rendering */
+#include "gx.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gsbittab.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gsccolor.h"
+#include "gspaint.h"
+#include "gsutil.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxdevmem.h"
+#include "gdevmem.h"		/* for mem_mono_device */
+#include "gxcpath.h"
+#include "gximage.h"
+#include "gzht.h"
+
+/* Conditionally include statistics code. */
+#ifdef DEBUG
+#  define STATS
+#endif
+
+/* ------ Strategy procedure ------ */
+
+/* Use special fast logic for portrait or landscape black-and-white images. */
+private irender_proc(image_render_simple);
+private irender_proc(image_render_landscape);
+private irender_proc_t
+image_strategy_simple(gx_image_enum * penum)
+{
+    irender_proc_t rproc;
+    fixed ox = dda_current(penum->dda.pixel0.x);
+    fixed oy = dda_current(penum->dda.pixel0.y);
+
+    if (penum->use_rop || penum->spp != 1 || penum->bps != 1)
+	return 0;
+    switch (penum->posture) {
+	case image_portrait:
+	    {			/* Use fast portrait algorithm. */
+		long dev_width =
+		    fixed2long_pixround(ox + penum->x_extent.x) -
+		    fixed2long_pixround(ox);
+
+		if (dev_width != penum->rect.w) {
+		    /*
+		     * Add an extra align_bitmap_mod of padding so that
+		     * we can align scaled rows with the device.
+		     */
+		    long line_size =
+			bitmap_raster(any_abs(dev_width)) + align_bitmap_mod;
+
+		    if (penum->adjust != 0 || line_size > max_uint)
+			return 0;
+		    /* Must buffer a scan line. */
+		    penum->line_width = any_abs(dev_width);
+		    penum->line_size = (uint) line_size;
+		    penum->line = gs_alloc_bytes(penum->memory,
+					    penum->line_size, "image line");
+		    if (penum->line == 0) {
+			gx_default_end_image(penum->dev,
+					     (gx_image_enum_common_t *)penum,
+					     false);
+			return 0;
+		    }
+		}
+		if_debug2('b', "[b]render=simple, unpack=copy; rect.w=%d, dev_width=%ld\n",
+			  penum->rect.w, dev_width);
+		rproc = image_render_simple;
+		break;
+	    }
+	case image_landscape:
+	    {			/* Use fast landscape algorithm. */
+		long dev_width =
+		    fixed2long_pixround(oy + penum->x_extent.y) -
+		    fixed2long_pixround(oy);
+		long line_size =
+		    (dev_width = any_abs(dev_width),
+		     bitmap_raster(dev_width) * 8 +
+		     round_up(dev_width, 8) * align_bitmap_mod);
+
+		if ((dev_width != penum->rect.w && penum->adjust != 0) ||
+		    line_size > max_uint
+		    )
+		    return 0;
+		/* Must buffer a group of 8N scan lines. */
+		penum->line_width = dev_width;
+		penum->line_size = (uint) line_size;
+		penum->line = gs_alloc_bytes(penum->memory,
+					     penum->line_size, "image line");
+		if (penum->line == 0) {
+		    gx_default_end_image(penum->dev,
+					 (gx_image_enum_common_t *) penum,
+					 false);
+		    return 0;
+		}
+		penum->xi_next = penum->line_xy = fixed2int_var_rounded(ox);
+		if_debug3('b', "[b]render=landscape, unpack=copy; rect.w=%d, dev_width=%ld, line_size=%ld\n",
+			  penum->rect.w, dev_width, line_size);
+		rproc = image_render_landscape;
+		/* Precompute values needed for rasterizing. */
+		penum->dxy =
+		    float2fixed(penum->matrix.xy +
+				fixed2float(fixed_epsilon) / 2);
+		break;
+	    }
+	default:
+	    return 0;
+    }
+    /* Precompute values needed for rasterizing. */
+    penum->dxx =
+	float2fixed(penum->matrix.xx + fixed2float(fixed_epsilon) / 2);
+    /*
+     * We don't want to spread the samples, but we have to reset unpack_bps
+     * to prevent the buffer pointer from being incremented by 8 bytes per
+     * input byte.
+     */
+    penum->unpack = sample_unpack_copy;
+    penum->unpack_bps = 8;
+    return rproc;
+}
+
+void
+gs_gxifast_init(gs_memory_t * mem)
+{
+    image_strategies.simple = image_strategy_simple;
+}
+
+/* ------ Rendering procedures ------ */
+
+/*
+ * Scale (and possibly reverse) one scan line of a monobit image.
+ * This is used for both portrait and landscape image processing.
+ * We pass in an x offset (0 <= line_x < align_bitmap_mod * 8) so that
+ * we can align the result with the eventual device X.
+ *
+ * To be precise, the input to this routine is the w bits starting at
+ * bit data_x in buffer.  These w bits expand to abs(x_extent) bits,
+ * either inverted (zero = 0xff) or not (zero = 0), starting at bit
+ * line_x in line which corresponds to coordinate
+ * fixed2int_pixround(xcur + min(x_extent, 0)).  Note that the entire
+ * bytes containing the first and last output bits are affected: the
+ * other bits in those bytes are set to zero (i.e., the value of the
+ * 'zero' argument).
+ */
+#ifdef STATS
+struct stats_image_fast_s {
+    long
+         calls, all0s, all1s, runs, lbit0, byte00, byte01, byte02, byte03,
+         byte04, rbit0, lbit1, byte1, rbit1, thin, thin2, nwide, bwide,
+         nfill, bfill;
+} stats_image_fast;
+#  define INCS(stat) ++stats_image_fast.stat
+#  define ADDS(stat, n) stats_image_fast.stat += n
+#else
+#  define INCS(stat) DO_NOTHING
+#  define ADDS(stat, n) DO_NOTHING
+#endif
+inline private void
+fill_row(byte *line, int line_x, uint raster, int value)
+{
+    memset(line + (line_x >> 3), value, raster - (line_x >> 3));
+}
+private void
+image_simple_expand(byte * line, int line_x, uint raster,
+		    const byte * buffer, int data_x, uint w,
+		    fixed xcur, fixed x_extent, byte zero /* 0 or 0xff */ )
+{
+    int dbitx = data_x & 7;
+    byte sbit = 0x80 >> dbitx;
+    byte sbitmask = 0xff >> dbitx;
+    uint wx = dbitx + w;
+    gx_dda_fixed xl;
+    gx_dda_step_fixed dxx4, dxx8, dxx16, dxx24, dxx32;
+    register const byte *psrc = buffer + (data_x >> 3);
+
+    /*
+     * The following 3 variables define the end of the input data row.
+     * We would put them in a struct, except that no compiler that we
+     * know of will optimize individual struct members as though they
+     * were simple variables (e.g., by putting them in registers).
+     *
+     * endp points to the byte that contains the bit just beyond the
+     * end of the row.  endx gives the bit number of this bit within
+     * the byte, with 0 being the *least* significant bit.  endbit is
+     * a mask for this bit.
+     */
+    const byte *endp = psrc + (wx >> 3);
+    int endx = ~wx & 7;
+    byte endbit = 1 << endx;
+
+    /*
+     * The following 3 variables do the same for start of the last run
+     * of the input row (think of it as a pointer to just beyond the
+     * end of the next-to-last run).
+     */
+    const byte *stop = endp;
+    int stopx;
+    byte stopbit = endbit;
+    byte data;
+    byte one = ~zero;
+    fixed xl0;
+
+    if (w == 0)
+	return;
+    INCS(calls);
+
+    /* Scan backward for the last transition. */
+    if (stopbit == 0x80)
+	--stop, stopbit = 1;
+    else
+	stopbit <<= 1;
+    /* Now (stop, stopbit) give the last bit of the row. */
+    {
+	byte stopmask = -stopbit << 1;
+	byte last = *stop;
+
+	if (stop == psrc)	/* only 1 input byte */
+	    stopmask &= sbitmask;
+	if (last & stopbit) {
+	    /* The last bit is a 1: look for a 0-to-1 transition. */
+	    if (~last & stopmask) {	/* Transition in last byte. */
+		last |= stopbit - 1;
+	    } else {		/* No transition in the last byte. */
+		while (stop > psrc && stop[-1] == 0xff)
+		    --stop;
+		if (stop == psrc ||
+		    (stop == psrc + 1 && !(~*psrc & sbitmask))
+		    ) {
+		    /* The input is all 1s.  Clear the row and exit. */
+		    INCS(all1s);
+		    fill_row(line, line_x, raster, one);
+		    return;
+		}
+		last = *--stop;
+	    }
+	    stopx = byte_bit_run_length_0[byte_reverse_bits[last]] - 1;
+	} else {
+	    /* The last bit is a 0: look for a 1-to-0 transition. */
+	    if (last & stopmask) {	/* Transition in last byte. */
+		last &= -stopbit;
+	    } else {		/* No transition in the last byte. */
+		while (stop > psrc && stop[-1] == 0)
+		    --stop;
+		if (stop == psrc ||
+		    (stop == psrc + 1 && !(*psrc & sbitmask))
+		    ) {
+		    /* The input is all 0s.  Clear the row and exit. */
+		    INCS(all0s);
+		    fill_row(line, line_x, raster, zero);
+		    return;
+		}
+		last = *--stop;
+	    }
+	    stopx = byte_bit_run_length_0[byte_reverse_bits[last ^ 0xff]] - 1;
+	}
+	if (stopx < 0)
+	    stopx = 7, ++stop;
+	stopbit = 1 << stopx;
+    }
+
+    /* Pre-clear the row. */
+    fill_row(line, line_x, raster, zero);
+
+    /* Set up the DDAs. */
+    xl0 =
+	(x_extent >= 0 ?
+	 fixed_fraction(fixed_pre_pixround(xcur)) :
+	 fixed_fraction(fixed_pre_pixround(xcur + x_extent)) - x_extent);
+    xl0 += int2fixed(line_x);
+    dda_init(xl, xl0, x_extent, w);
+    dxx4 = xl.step;
+    dda_step_add(dxx4, xl.step);
+    dda_step_add(dxx4, dxx4);
+    dxx8 = dxx4;
+    dda_step_add(dxx8, dxx4);
+    dxx16 = dxx8;
+    dda_step_add(dxx16, dxx8);
+    dxx24 = dxx16;
+    dda_step_add(dxx24, dxx8);
+    dxx32 = dxx24;
+    dda_step_add(dxx32, dxx8);
+
+    /*
+     * Loop invariants:
+     *      data = *psrc;
+     *      sbit = 1 << n, 0<=n<=7.
+     */
+    for (data = *psrc;;) {
+	int x0, n, bit;
+	byte *bp;
+	static const byte lmasks[9] = {
+	    0xff, 0x7f, 0x3f, 0x1f, 0xf, 7, 3, 1, 0
+	};
+	static const byte rmasks[9] = {
+	    0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff
+	};
+
+	INCS(runs);
+
+	/* Scan a run of zeros. */
+	data ^= 0xff;		/* invert */
+	while (data & sbit) {
+	    dda_next(xl);
+	    sbit >>= 1;
+	    INCS(lbit0);
+	}
+	if (!sbit) {		/* Scan a run of zero bytes. */
+sw:	    if ((data = psrc[1]) != 0) {
+		psrc++;
+		INCS(byte00);
+	    } else if ((data = psrc[2]) != 0) {
+		dda_state_next(xl.state, dxx8);
+		psrc += 2;
+		INCS(byte01);
+	    } else if ((data = psrc[3]) != 0) {
+		dda_state_next(xl.state, dxx16);
+		psrc += 3;
+		INCS(byte02);
+	    } else if ((data = psrc[4]) != 0) {
+		dda_state_next(xl.state, dxx24);
+		psrc += 4;
+		INCS(byte03);
+	    } else {
+		dda_state_next(xl.state, dxx32);
+		psrc += 4;
+		INCS(byte04);
+		goto sw;
+	    }
+	    if (data > 0xf)
+		sbit = 0x80;
+	    else {
+		sbit = 0x08;
+		dda_state_next(xl.state, dxx4);
+	    }
+	    data ^= 0xff;	/* invert */
+	    while (data & sbit) {
+		dda_next(xl);
+		sbit >>= 1;
+		INCS(rbit0);
+	    }
+	}
+	x0 = dda_current_fixed2int(xl);
+	if (psrc >= stop && sbit == stopbit) {
+	    /*
+	     * We've scanned the last run of 0s.
+	     * Prepare to fill the final run of 1s.
+	     */
+	    n = fixed2int(xl0 + x_extent) - x0;
+	} else {		/* Scan a run of ones. */
+	    /* We know the current bit is a one. */
+	    data ^= 0xff;	/* un-invert */
+	    do {
+		dda_next(xl);
+		sbit >>= 1;
+		INCS(lbit1);
+	    }
+	    while (data & sbit);
+	    if (!sbit) {	/* Scan a run of 0xff bytes. */
+		while ((data = *++psrc) == 0xff) {
+		    dda_state_next(xl.state, dxx8);
+		    INCS(byte1);
+		}
+		if (data < 0xf0)
+		    sbit = 0x80;
+		else {
+		    sbit = 0x08;
+		    dda_state_next(xl.state, dxx4);
+		}
+		while (data & sbit) {
+		    dda_next(xl);
+		    sbit >>= 1;
+		    INCS(rbit1);
+		}
+	    }
+	    n = dda_current_fixed2int(xl) - x0;
+	}
+
+	/* Fill the run in the scan line. */
+	if (n < 0)
+	    x0 += n, n = -n;
+	bp = line + (x0 >> 3);
+	bit = x0 & 7;
+	if ((n += bit) <= 8) {
+	    *bp ^= lmasks[bit] - lmasks[n];
+	    INCS(thin);
+	} else if ((n -= 8) <= 8) {
+	    *bp ^= lmasks[bit];
+	    bp[1] ^= rmasks[n];
+	    INCS(thin2);
+	} else {
+	    *bp++ ^= lmasks[bit];
+	    if (n >= 56) {
+		int nb = n >> 3;
+
+		memset(bp, one, nb);
+		bp += nb;
+		INCS(nwide);
+		ADDS(bwide, nb);
+	    } else {
+		ADDS(bfill, n >> 3);
+		while ((n -= 8) >= 0)
+		    *bp++ = one;
+		INCS(nfill);
+	    }
+	    *bp ^= rmasks[n & 7];
+	}
+	if (psrc >= stop && sbit == stopbit)
+	    break;
+    }
+}
+
+/* Copy one rendered scan line to the device. */
+private int
+copy_portrait(gx_image_enum * penum, const byte * data, int dx, int raster,
+	      int x, int y, int w, int h, gx_device * dev)
+{
+    const gx_device_color *pdc0;
+    const gx_device_color *pdc1;
+    uint align = alignment_mod(data, align_bitmap_mod);
+
+    /*
+     * We know that the lookup table maps 1 bit to 1 bit,
+     * so it can only have 2 states: straight-through or invert.
+     */
+    if (penum->map[0].table.lookup4x1to32[0])
+	pdc0 = &penum->icolor1, pdc1 = &penum->icolor0;
+    else
+	pdc0 = &penum->icolor0, pdc1 = &penum->icolor1;
+    data -= align;
+    dx += align << 3;
+    if (gx_dc_is_pure(pdc0) && gx_dc_is_pure(pdc1)) {
+	/* Just use copy_mono. */
+	dev_proc_copy_mono((*copy_mono)) =
+	    (h == 1 || (raster & (align_bitmap_mod - 1)) == 0 ?
+	     dev_proc(dev, copy_mono) : gx_copy_mono_unaligned);
+	return (*copy_mono)
+	    (dev, data, dx, raster, gx_no_bitmap_id,
+	     x, y, w, h, pdc0->colors.pure, pdc1->colors.pure);
+    }
+    /*
+     * At least one color isn't pure: if the other one is transparent, use
+     * the opaque color's fill_masked procedure.  Note that we use a
+     * slightly unusual representation for transparent here (per
+     * gx_begin_image1): a pure color with pixel value gx_no_color_index.
+     */
+    {
+	const gx_device_color *pdc;
+	bool invert;
+
+#define DC_IS_NULL(pdc)\
+  (gx_dc_is_pure(pdc) && (pdc)->colors.pure == gx_no_color_index)
+
+	if (DC_IS_NULL(pdc1)) {
+	    pdc = pdc0;
+	    invert = true;
+	} else {
+	    if (!DC_IS_NULL(pdc0)) {
+		int code = gx_device_color_fill_rectangle
+		    (pdc0, x, y, w, h, dev, lop_default, NULL);
+
+		if (code < 0)
+		    return code;
+	    }
+	    pdc = pdc1;
+	    invert = false;
+	}
+
+#undef DC_IS_NULL
+
+	return (*pdc->type->fill_masked)
+	    (pdc, data, dx, raster, gx_no_bitmap_id, x, y, w, h,
+	     dev, lop_default, invert);
+
+    }
+}
+
+/* Rendering procedure for a monobit image with no */
+/* skew or rotation and pure colors. */
+private int
+image_render_simple(gx_image_enum * penum, const byte * buffer, int data_x,
+		    uint w, int h, gx_device * dev)
+{
+    dev_proc_copy_mono((*copy_mono)) = dev_proc(dev, copy_mono);
+    const fixed dxx = penum->dxx;
+    const byte *line;
+    uint line_width, line_size;
+    int line_x;
+    fixed xcur = dda_current(penum->dda.pixel0.x);
+    int ix = fixed2int_pixround(xcur);
+    const int iy = penum->yci, ih = penum->hci;
+    const gx_device_color * const pdc0 = &penum->icolor0;
+    const gx_device_color * const pdc1 = &penum->icolor1;
+    int dy;
+
+    if (h == 0)
+	return 0;
+    if (penum->line == 0) {	/* A direct BitBlt is possible. */
+	line = buffer;
+	line_size = (w + 7) >> 3;
+	line_width = w;
+	line_x = 0;
+    } else if (copy_mono == dev_proc(&mem_mono_device, copy_mono) &&
+	       dxx > 0 && gx_dc_is_pure(pdc1) && gx_dc_is_pure(pdc0) &&
+	/* We know the colors must be (0,1) or (1,0). */
+	       (pdc0->colors.pure ^ pdc1->colors.pure) == 1 &&
+	       !penum->clip_image
+	) {
+	/* Do the operation directly into the memory device bitmap. */
+	int ixr = fixed2int_pixround(xcur + penum->x_extent.x) - 1;
+	int line_ix;
+	int ib_left = ix >> 3, ib_right = ixr >> 3;
+	byte *scan_line = scan_line_base((gx_device_memory *) dev, iy);
+	byte save_left, save_right, mask;
+
+	line_x = ix & (align_bitmap_mod * 8 - 1);
+	line_ix = ix - line_x;
+	line_size = (ixr >> 3) + 1 - (line_ix >> 3);
+	line_width = ixr + 1 - ix;
+	/* We must save and restore any unmodified bits in */
+	/* the two edge bytes. */
+	save_left = scan_line[ib_left];
+	save_right = scan_line[ib_right];
+	image_simple_expand(scan_line + (line_ix >> 3), line_x,
+			    line_size, buffer, data_x, w, xcur,
+			    penum->x_extent.x,
+			    ((pdc0->colors.pure == 0) !=
+			     (penum->map[0].table.lookup4x1to32[0] == 0) ?
+			     0xff : 0));
+	if (ix & 7)
+	    mask = (byte) (0xff00 >> (ix & 7)),
+		scan_line[ib_left] =
+		(save_left & mask) + (scan_line[ib_left] & ~mask);
+	if ((ixr + 1) & 7)
+	    mask = (byte) (0xff00 >> ((ixr + 1) & 7)),
+		scan_line[ib_right] =
+		(scan_line[ib_right] & mask) + (save_right & ~mask);
+	if (ih <= 1)
+	    return 1;
+	/****** MAY BE UNALIGNED ******/
+	line = scan_line + (line_ix >> 3);
+	if (dxx < 0)
+	    ix -= line_width;
+	for (dy = 1; dy < ih; dy++) {
+	    int code = (*copy_mono)
+		(dev, line, line_x, line_size, gx_no_bitmap_id,
+		 ix, iy + dy, line_width, 1,
+		 (gx_color_index)0, (gx_color_index)1);
+
+	    if (code < 0)
+		return code;
+	}
+	return 0;
+    } else {
+	line = penum->line;
+	line_size = penum->line_size;
+	line_width = penum->line_width;
+	line_x = ix & (align_bitmap_mod * 8 - 1);
+	image_simple_expand(penum->line, line_x, line_size,
+			    buffer, data_x, w, xcur,
+			    penum->x_extent.x, 0);
+    }
+
+    /* Finally, transfer the scan line to the device. */
+    if (dxx < 0)
+	ix -= line_width;
+    for (dy = 0; dy < ih; dy++) {
+	int code = copy_portrait(penum, line, line_x, line_size,
+				 ix, iy + dy, line_width, 1, dev);
+
+	if (code < 0)
+	    return code;
+    }
+
+    return 1;
+}
+
+/* Rendering procedure for a 90 degree rotated monobit image */
+/* with pure colors.  We buffer and then flip 8 scan lines at a time. */
+private int copy_landscape(P5(gx_image_enum *, int, int, bool, gx_device *));
+private int
+image_render_landscape(gx_image_enum * penum, const byte * buffer, int data_x,
+		       uint w, int h, gx_device * dev)
+{
+    byte *line = penum->line;
+    uint raster = bitmap_raster(penum->line_width);
+    int ix = penum->xci, iw = penum->wci;
+    int xinc, xmod;
+    byte *row;
+    const byte *orig_row = 0;
+    bool y_neg = penum->dxy < 0;
+
+    if (is_fneg(penum->matrix.yx))
+	ix += iw, iw = -iw, xinc = -1;
+    else
+	xinc = 1;
+    /*
+     * Because of clipping, there may be discontinuous jumps in the values
+     * of ix (xci).  If this happens, or if we are at the end of the data or
+     * a client has requested flushing, flush the flipping buffer.
+     */
+    if (ix != penum->xi_next || h == 0) {
+	int xi = penum->xi_next;
+	int code =
+	    (xinc > 0 ?
+	     copy_landscape(penum, penum->line_xy, xi, y_neg, dev) :
+	     copy_landscape(penum, xi, penum->line_xy, y_neg, dev));
+
+	if (code < 0)
+	    return code;
+	penum->line_xy = ix;
+	if (h == 0)
+	    return code;
+    }
+    for (; iw != 0; iw -= xinc) {
+	if (xinc < 0)
+	    --ix;
+	xmod = ix & 7;
+	row = line + xmod * raster;
+	if (orig_row == 0) {
+	    image_simple_expand(row, 0, raster,
+				buffer, data_x, w,
+				dda_current(penum->dda.pixel0.y),
+				penum->x_extent.y, 0);
+	    orig_row = row;
+	} else
+	    memcpy(row, orig_row, raster);
+	if (xinc > 0) {
+	    ++ix;
+	    if (xmod == 7) {
+		int code =
+		    copy_landscape(penum, penum->line_xy, ix, y_neg, dev);
+
+		if (code < 0)
+		    return code;
+		orig_row = 0;
+		penum->line_xy = ix;
+	    }
+	} else {
+	    if (xmod == 0) {
+		int code =
+		    copy_landscape(penum, ix, penum->line_xy, y_neg, dev);
+
+		if (code < 0)
+		    return code;
+		orig_row = 0;
+		penum->line_xy = ix;
+	    }
+	}
+    }
+    penum->xi_next = ix;
+    return 0;
+}
+
+/* Flip and copy one group of scan lines. */
+private int
+copy_landscape(gx_image_enum * penum, int x0, int x1, bool y_neg,
+	       gx_device * dev)
+{
+    byte *line = penum->line;
+    uint line_width = penum->line_width;
+    uint raster = bitmap_raster(line_width);
+    byte *flipped = line + raster * 8;
+    int w = x1 - x0;
+    int y = fixed2int_pixround(dda_current(penum->dda.pixel0.y));
+
+    if (w == 0 || line_width == 0)
+	return 0;
+    /* Flip the buffered data from raster x 8 to align_bitmap_mod x */
+    /* line_width. */
+    if (line_width > 0) {
+	int i;
+
+	for (i = (line_width - 1) >> 3; i >= 0; --i)
+	    memflip8x8(line + i, raster,
+		       flipped + (i << (log2_align_bitmap_mod + 3)),
+		       align_bitmap_mod);
+    }
+    /* Transfer the scan lines to the device. */
+    if (w < 0)
+	x0 = x1, w = -w;
+    if (y_neg)
+	y -= line_width;
+    return copy_portrait(penum, flipped, x0 & 7, align_bitmap_mod,
+			 x0, y, w, line_width, dev);
+}
diff --git a/pstoraster/gxiinit.c b/pstoraster/gxiinit.c
new file mode 100644
index 000000000..4b799417c
--- /dev/null
+++ b/pstoraster/gxiinit.c
@@ -0,0 +1,921 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image setup procedures for Ghostscript library */
+#include "gx.h"
+#include "math_.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"
+#include "gxfixed.h"
+#include "gxfrac.h"
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gsccolor.h"
+#include "gspaint.h"
+#include "gzstate.h"
+#include "gxdevice.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+#include "gxdevmem.h"
+#include "gximage.h"
+#include "gxiparam.h"
+#include "gdevmrop.h"
+
+/* ---------------- Generic image support ---------------- */
+
+/* Initialize the common parts of image structures. */
+void
+gs_image_common_t_init(gs_image_common_t * pic)
+{
+    gs_make_identity(&pic->ImageMatrix);
+}
+void
+gs_data_image_t_init(gs_data_image_t * pim, int num_components)
+{
+    int i;
+
+    gs_image_common_t_init((gs_image_common_t *) pim);
+    pim->Width = pim->Height = 0;
+    pim->BitsPerComponent = 1;
+    if (num_components >= 0) {
+	for (i = 0; i < num_components * 2; i += 2)
+	    pim->Decode[i] = 0, pim->Decode[i + 1] = 1;
+    } else {
+	for (i = 0; i < num_components * -2; i += 2)
+	    pim->Decode[i] = 1, pim->Decode[i + 1] = 0;
+    }
+    pim->Interpolate = false;
+}
+void
+gs_pixel_image_t_init(gs_pixel_image_t * pim, const gs_color_space * color_space)
+{
+    int num_components;
+
+    if (color_space == 0 ||
+	(num_components =
+	 gs_color_space_num_components(color_space)) < 0
+	)
+	num_components = 0;
+    gs_data_image_t_init((gs_data_image_t *) pim, num_components);
+    pim->format = gs_image_format_chunky;
+    pim->ColorSpace = color_space;
+    pim->CombineWithColor = false;
+}
+
+/* Initialize the common part of an image-processing enumerator. */
+int
+gx_image_enum_common_init(gx_image_enum_common_t * piec,
+	  const gs_image_common_t * pic, const gx_image_enum_procs_t * piep,
+		gx_device * dev, int bits_per_component, int num_components,
+			  gs_image_format_t format)
+{
+    piec->image_type = pic->type;
+    piec->procs = piep;
+    piec->dev = dev;
+    piec->id = gs_next_ids(1);
+    switch (format) {
+	case gs_image_format_chunky:
+	    piec->num_planes = 1;
+	    piec->plane_depths[0] = bits_per_component * num_components;
+	    break;
+	case gs_image_format_component_planar:
+	    piec->num_planes = num_components;
+	    {
+		int i;
+
+		for (i = 0; i < num_components; ++i)
+		    piec->plane_depths[i] = bits_per_component;
+	    }
+	    break;
+	case gs_image_format_bit_planar:
+	    piec->num_planes = bits_per_component * num_components;
+	    {
+		int i;
+
+		for (i = 0; i < piec->num_planes; ++i)
+		    piec->plane_depths[i] = 1;
+	    }
+#if 0				/* **************** */
+	    break;
+#endif /* **************** */
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    return 0;
+}
+
+/* ---------------- ImageType 1 images ---------------- */
+
+/* Structure descriptors */
+private_st_gx_image_enum();
+public_st_gs_image_common();
+public_st_gs_data_image();
+public_st_gs_pixel_image();
+
+/* Strategy procedures */
+gx_image_strategies_t image_strategies;
+
+/* Define the image type for ImageType 1 images. */
+private const gx_image_type_t image1_type = {
+    gx_begin_image1, gx_data_image_source_size, 1
+};
+private const gx_image_enum_procs_t image1_enum_procs = {
+    gx_image1_plane_data, gx_image1_end_image, gx_image1_flush
+};
+
+/* Define the procedures for initializing gs_image_ts to default values. */
+void
+gs_image_t_init(gs_image_t * pim, const gs_color_space * color_space)
+{
+    gs_pixel_image_t_init((gs_pixel_image_t *) pim, color_space);
+    pim->type = &image1_type;
+    pim->ImageMask = pim->adjust = (color_space == NULL);
+    pim->Alpha = gs_image_alpha_none;
+}
+void
+gs_image_t_init_mask(gs_image_t * pim, bool write_1s)
+{
+    gs_image_t_init(pim, NULL);
+    if (write_1s)
+	pim->Decode[0] = 1, pim->Decode[1] = 0;
+    else
+	pim->Decode[0] = 0, pim->Decode[1] = 1;
+}
+
+/* Compute the source size of an ordinary image with explicit data. */
+int
+gx_data_image_source_size(const gs_imager_state * pis,
+			const gs_image_common_t * pim, gs_int_point * psize)
+{
+    const gs_data_image_t *pdi = (const gs_data_image_t *)pim;
+
+    psize->x = pdi->Width;
+    psize->y = pdi->Height;
+    return 0;
+}
+
+/* Process the next piece of an image with no source data. */
+/* This procedure should never be called. */
+int
+gx_no_image_plane_data(gx_device * dev,
+ gx_image_enum_common_t * info, const gx_image_plane_t * planes, int height)
+{
+    return_error(gs_error_Fatal);
+}
+
+/* Clean up after processing an image with no source data. */
+/* This procedure may be called, but should do nothing. */
+int
+gx_ignore_end_image(gx_device * dev, gx_image_enum_common_t * info,
+		    bool draw_last)
+{
+    return 0;
+}
+
+/* GC procedures */
+#define eptr ((gx_image_enum *)vptr)
+private 
+ENUM_PTRS_BEGIN(image_enum_enum_ptrs)
+{
+    int bps;
+    gs_ptr_type_t ret;
+
+    /* Enumerate the used members of clues.dev_color. */
+    index -= gx_image_enum_num_ptrs;
+    bps = eptr->unpack_bps;
+    if (eptr->spp != 1)
+	bps = 8;
+    else if (bps > 8 || eptr->unpack == sample_unpack_copy)
+	bps = 1;
+    if (index >= (1 << bps) * st_device_color_max_ptrs)		/* done */
+	return 0;
+    ret = ENUM_USING(st_device_color,
+		     &eptr->clues[(index / st_device_color_max_ptrs) *
+				  (255 / ((1 << bps) - 1))].dev_color,
+		     sizeof(eptr->clues[0].dev_color),
+		     index % st_device_color_max_ptrs);
+    if (ret == 0)		/* don't stop early */
+	ENUM_RETURN(0);
+    return ret;
+}
+#define e1(i,elt) ENUM_PTR(i,gx_image_enum,elt);
+gx_image_enum_do_ptrs(e1)
+#undef e1
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(image_enum_reloc_ptrs)
+{
+    int i;
+
+#define r1(i,elt) RELOC_PTR(gx_image_enum,elt);
+    gx_image_enum_do_ptrs(r1)
+#undef r1
+    {
+	int bps = eptr->unpack_bps;
+
+	if (eptr->spp != 1)
+	    bps = 8;
+	else if (bps > 8 || eptr->unpack == sample_unpack_copy)
+	    bps = 1;
+	for (i = 0; i <= 255; i += 255 / ((1 << bps) - 1))
+	    RELOC_USING(st_device_color,
+			&eptr->clues[i].dev_color, sizeof(gx_device_color));
+    }
+}
+RELOC_PTRS_END
+#undef eptr
+
+/* Forward declarations */
+private int color_draws_b_w(P2(gx_device * dev,
+			       const gx_drawing_color * pdcolor));
+private void image_init_map(P3(byte * map, int map_size, const float *decode));
+private void image_init_colors(P9(gx_image_enum * penum, int bps, int spp,
+				  bool multi, const float *decode,
+			       const gs_imager_state * pis, gx_device * dev,
+				  const gs_color_space * pcs, bool * pdcb));
+
+/* Procedures for unpacking the input data into bytes or fracs. */
+							/*extern sample_unpack_proc(sample_unpack_copy); *//* declared above */
+extern sample_unpack_proc(sample_unpack_1);
+extern sample_unpack_proc(sample_unpack_2);
+extern sample_unpack_proc(sample_unpack_4);
+extern sample_unpack_proc(sample_unpack_8);
+
+sample_unpack_proc((*sample_unpack_12_proc));	/* optional */
+
+/* Start processing an ImageType 1 image. */
+/* Note that since this is actually a begin_typed_image procedure, */
+/* the type of pim is the more abstract one. */
+int
+gx_begin_image1(gx_device * dev,
+		const gs_imager_state * pis, const gs_matrix * pmat,
+		const gs_image_common_t * pic, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		gs_memory_t * mem, gx_image_enum_common_t ** pinfo)
+{
+    const gs_image_t *pim = (const gs_image_t *)pic;
+    gs_image_format_t format = pim->format;
+    gx_image_enum *penum;
+    const int width = pim->Width;
+    const int height = pim->Height;
+    const int bps = pim->BitsPerComponent;
+    bool masked = pim->ImageMask;
+    const float *decode = pim->Decode;
+    bool multi;
+    int index_bps;
+    const gs_color_space *pcs = pim->ColorSpace;
+    gs_logical_operation_t lop = (pis ? pis->log_op : lop_default);
+    int code;
+    gs_matrix mat;
+    int log2_xbytes = (bps <= 8 ? 0 : arch_log2_sizeof_frac);
+    int spp, nplanes, spread;
+    uint bsize;
+    byte *buffer;
+    fixed mtx, mty;
+    gs_fixed_point row_extent, col_extent, x_extent, y_extent;
+    bool device_color;
+    gs_fixed_rect obox, cbox;
+    fixed adjust;
+
+    if (width < 0 || height < 0)
+	return_error(gs_error_rangecheck);
+    switch (format) {
+	case gs_image_format_chunky:
+	    multi = false;
+	    break;
+	case gs_image_format_component_planar:
+	    multi = true;
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    switch (bps) {
+	case 1:
+	    index_bps = 0;
+	    break;
+	case 2:
+	    index_bps = 1;
+	    break;
+	case 4:
+	    index_bps = 2;
+	    break;
+	case 8:
+	    index_bps = 3;
+	    break;
+	case 12:
+	    index_bps = 4;
+	    break;
+	default:
+	    return_error(gs_error_rangecheck);
+    }
+    if (prect) {
+	if (prect->p.x < 0 || prect->p.y < 0 ||
+	    prect->q.x < prect->p.x || prect->q.y < prect->p.y ||
+	    prect->q.x > width || prect->q.y > height
+	    )
+	    return_error(gs_error_rangecheck);
+    }
+    if (pmat == 0)
+	pmat = &ctm_only(pis);
+    if ((code = gs_matrix_invert(&pim->ImageMatrix, &mat)) < 0 ||
+	(code = gs_matrix_multiply(&mat, pmat, &mat)) < 0 ||
+	(code =
+	 gs_distance_transform2fixed((const gs_matrix_fixed *)&mat,
+				     (floatp) width, (floatp) 0,
+				     &row_extent)) < 0 ||
+	(code =
+	 gs_distance_transform2fixed((const gs_matrix_fixed *)&mat,
+				     (floatp) 0, (floatp) height,
+				     &col_extent)) < 0
+	)
+	return code;
+    penum = gs_alloc_struct(mem, gx_image_enum, &st_gx_image_enum,
+			    "gx_default_begin_image");
+    if (penum == 0)
+	return_error(gs_error_VMerror);
+    gx_image_enum_common_init((gx_image_enum_common_t *) penum, pic,
+			      &image1_enum_procs, dev, bps,
+			      (masked ? 1 : cs_num_components(pcs)),
+			      format);
+    if (prect) {
+	penum->rect.x = prect->p.x, penum->rect.y = prect->p.y;
+	penum->rect.w = prect->q.x - prect->p.x,
+	    penum->rect.h = prect->q.y - prect->p.y;
+	if ((code =
+	     gs_distance_transform2fixed((const gs_matrix_fixed *)&mat,
+					 (floatp) penum->rect.w, (floatp) 0,
+					 &x_extent)) < 0 ||
+	    (code =
+	     gs_distance_transform2fixed((const gs_matrix_fixed *)&mat,
+					 (floatp) 0, (floatp) penum->rect.h,
+					 &y_extent)) < 0
+	    ) {
+	    gs_free_object(mem, penum, "gx_default_begin_image");
+	    return code;
+	}
+    } else {
+	penum->rect.x = 0, penum->rect.y = 0;
+	penum->rect.w = width, penum->rect.h = height;
+	x_extent = row_extent;
+	y_extent = col_extent;
+    }
+    if ((penum->masked = masked)) {	/* This is imagemask. */
+	if (bps != 1 || multi || pcs != NULL || pim->Alpha ||
+	    !((decode[0] == 0.0 && decode[1] == 1.0) ||
+	      (decode[0] == 1.0 && decode[1] == 0.0))
+	    ) {
+	    gs_free_object(mem, penum, "gx_default_begin_image");
+	    return_error(gs_error_rangecheck);
+	}
+	/* Initialize color entries 0 and 255. */
+	color_set_pure(&penum->icolor0, gx_no_color_index);
+	penum->icolor1 = *pdcolor;
+	memcpy(&penum->map[0].table.lookup4x1to32[0],
+	       (decode[0] == 0 ? lookup4x1to32_inverted :
+		lookup4x1to32_identity),
+	       16 * 4);
+	penum->map[0].decoding = sd_none;
+	spp = 1;
+	adjust = (pim->adjust ? float2fixed(0.25) : fixed_0);
+	lop = rop3_know_S_0(lop);
+    } else {			/* This is image, not imagemask. */
+	const gs_color_space_type *pcst = pcs->type;
+	int b_w_color;
+
+	spp = cs_num_components(pcs);
+	if (spp < 0) {		/* Pattern not allowed */
+	    gs_free_object(mem, penum, "gx_default_begin_image");
+	    return_error(gs_error_rangecheck);
+	}
+	if (pim->Alpha)
+	    ++spp;
+	if (spp == 1)
+	    multi = false;
+	device_color = (*pcst->concrete_space) (pcs, pis) == pcs;
+	image_init_colors(penum, bps, spp, multi, decode, pis, dev,
+			  pcs, &device_color);
+	adjust = fixed_0;
+	/* Try to transform non-default RasterOps to something */
+	/* that we implement less expensively. */
+	if (!pim->CombineWithColor)
+	    lop = rop3_know_T_0(lop) & ~lop_T_transparent;
+	else {
+	    if (rop3_uses_T(lop))
+		switch (color_draws_b_w(dev, pdcolor)) {
+		    case 0:
+			lop = rop3_know_T_0(lop);
+			break;
+		    case 1:
+			lop = rop3_know_T_1(lop);
+			break;
+		    default:
+			;
+		}
+	}
+	if (lop != rop3_S &&	/* if best case, no more work needed */
+	    !rop3_uses_T(lop) && bps == 1 && spp == 1 &&
+	    (b_w_color =
+	     color_draws_b_w(dev, &penum->icolor0)) >= 0 &&
+	    color_draws_b_w(dev, &penum->icolor1) == (b_w_color ^ 1)
+	    ) {
+	    if (b_w_color) {	/* Swap the colors and invert the RasterOp source. */
+		gx_device_color dcolor;
+
+		dcolor = penum->icolor0;
+		penum->icolor0 = penum->icolor1;
+		penum->icolor1 = dcolor;
+		lop = rop3_invert_S(lop);
+	    }
+	    /*
+	     * At this point, we know that the source pixels
+	     * correspond directly to the S input for the raster op,
+	     * i.e., icolor0 is black and icolor1 is white.
+	     */
+	    switch (lop) {
+		case rop3_D & rop3_S:
+		    /* Implement this as an inverted mask writing 0s. */
+		    penum->icolor1 = penum->icolor0;
+		    /* (falls through) */
+		case rop3_D | rop3_not(rop3_S):
+		    /* Implement this as an inverted mask writing 1s. */
+		    memcpy(&penum->map[0].table.lookup4x1to32[0],
+			   lookup4x1to32_inverted, 16 * 4);
+		  rmask:	/* Fill in the remaining parameters for a mask. */
+		    penum->masked = masked = true;
+		    color_set_pure(&penum->icolor0, gx_no_color_index);
+		    penum->map[0].decoding = sd_none;
+		    lop = rop3_T;
+		    break;
+		case rop3_D & rop3_not(rop3_S):
+		    /* Implement this as a mask writing 0s. */
+		    penum->icolor1 = penum->icolor0;
+		    /* (falls through) */
+		case rop3_D | rop3_S:
+		    /* Implement this as a mask writing 1s. */
+		    memcpy(&penum->map[0].table.lookup4x1to32[0],
+			   lookup4x1to32_identity, 16 * 4);
+		    goto rmask;
+		default:
+		    ;
+	    }
+	}
+    }
+    penum->device_color = device_color;
+    /*
+     * Adjust width upward for unpacking up to 7 trailing bits in
+     * the row, plus 1 byte for end-of-run, plus up to 7 leading
+     * bits for data_x offset within a packed byte.
+     */
+    bsize = ((bps > 8 ? width * 2 : width) + 15) * spp;
+    buffer = gs_alloc_bytes(mem, bsize, "image buffer");
+    if (buffer == 0) {
+	gs_free_object(mem, penum, "gx_default_begin_image");
+	return_error(gs_error_VMerror);
+    }
+    penum->bps = bps;
+    penum->unpack_bps = bps;
+    penum->log2_xbytes = log2_xbytes;
+    penum->spp = spp;
+    penum->alpha = pim->Alpha;
+    nplanes = (multi ? spp : 1);
+    penum->num_planes = nplanes;
+    spread = nplanes << log2_xbytes;
+    penum->spread = spread;
+    penum->matrix = mat;
+    penum->x_extent = x_extent;
+    penum->y_extent = y_extent;
+    penum->posture =
+	((x_extent.y | y_extent.x) == 0 ? image_portrait :
+	 (x_extent.x | y_extent.y) == 0 ? image_landscape :
+	 image_skewed);
+    mtx = float2fixed(mat.tx);
+    mty = float2fixed(mat.ty);
+    penum->pis = pis;
+    penum->pcs = pcs;
+    penum->memory = mem;
+    penum->buffer = buffer;
+    penum->buffer_size = bsize;
+    penum->line = 0;
+    penum->line_size = 0;
+    /*
+     * If we're asked to interpolate in a partial image, we have to
+     * assume that the client either really only is interested in
+     * the given sub-image, or else is constructing output out of
+     * overlapping pieces.
+     */
+    penum->interpolate = pim->Interpolate;
+    penum->use_rop = lop != (masked ? rop3_T : rop3_S);
+#ifdef DEBUG
+    if (gs_debug_c('*')) {
+	if (penum->use_rop)
+	    dprintf1("[%03x]", lop);
+	dprintf5("%c%d%c%dx%d ",
+		 (masked ? (color_is_pure(pdcolor) ? 'm' : 'h') : 'i'),
+		 bps,
+		 (penum->posture == image_portrait ? ' ' :
+		  penum->posture == image_landscape ? 'L' : 'T'),
+		 width, height);
+    }
+#endif
+    penum->slow_loop = 0;
+    if (pcpath == 0) {
+	(*dev_proc(dev, get_clipping_box)) (dev, &obox);
+	cbox = obox;
+	penum->clip_image = 0;
+    } else
+	penum->clip_image =
+	    (gx_cpath_outer_box(pcpath, &obox) |	/* not || */
+	     gx_cpath_inner_box(pcpath, &cbox) ?
+	     0 : image_clip_region);
+    penum->clip_outer = obox;
+    penum->clip_inner = cbox;
+    penum->log_op = rop3_T;	/* rop device takes care of this */
+    penum->clip_dev = 0;	/* in case we bail out */
+    penum->rop_dev = 0;		/* ditto */
+    penum->scaler = 0;		/* ditto */
+    /*
+     * If all four extrema of the image fall within the clipping
+     * rectangle, clipping is never required.  When making this check,
+     * we must carefully take into account the fact that we only care
+     * about pixel centers.
+     */
+    {
+	fixed
+	    epx = min(row_extent.x, 0) + min(col_extent.x, 0),
+	    eqx = max(row_extent.x, 0) + max(col_extent.x, 0),
+	    epy = min(row_extent.y, 0) + min(col_extent.y, 0),
+	    eqy = max(row_extent.y, 0) + max(col_extent.y, 0);
+
+	{
+	    int hwx, hwy;
+
+	    switch (penum->posture) {
+		case image_portrait:
+		    hwx = width, hwy = height;
+		    break;
+		case image_landscape:
+		    hwx = height, hwy = width;
+		    break;
+		default:
+		    hwx = hwy = 0;
+	    }
+	    /*
+	     * If the image is only 1 sample wide or high,
+	     * and is less than 1 device pixel wide or high,
+	     * move it slightly so that it covers pixel centers.
+	     * This is a hack to work around a bug in some old
+	     * versions of TeX/dvips, which use 1-bit-high images
+	     * to draw horizontal and vertical lines without
+	     * positioning them properly.
+	     */
+	    if (hwx == 1 && eqx - epx < fixed_1) {
+		fixed diff =
+		arith_rshift_1(row_extent.x + col_extent.x);
+
+		mtx = (((mtx + diff) | fixed_half) & -fixed_half) - diff;
+	    }
+	    if (hwy == 1 && eqy - epy < fixed_1) {
+		fixed diff =
+		arith_rshift_1(row_extent.y + col_extent.y);
+
+		mty = (((mty + diff) | fixed_half) & -fixed_half) - diff;
+	    }
+	}
+	if_debug5('b', "[b]Image: %sspp=%d, bps=%d, mt=(%g,%g)\n",
+		  (masked? "masked, " : ""), spp, bps,
+		  fixed2float(mtx), fixed2float(mty));
+	if_debug9('b',
+		  "[b]   cbox=(%g,%g),(%g,%g), obox=(%g,%g),(%g,%g), clip_image=0x%x\n",
+		  fixed2float(cbox.p.x), fixed2float(cbox.p.y),
+		  fixed2float(cbox.q.x), fixed2float(cbox.q.y),
+		  fixed2float(obox.p.x), fixed2float(obox.p.y),
+		  fixed2float(obox.q.x), fixed2float(obox.q.y),
+		  penum->clip_image);
+	dda_init(penum->dda.row.x, mtx, col_extent.x, height);
+	dda_init(penum->dda.row.y, mty, col_extent.y, height);
+	if (penum->rect.y) {
+	    dda_advance(penum->dda.row.x, penum->rect.y);
+	    dda_advance(penum->dda.row.y, penum->rect.y);
+	}
+	penum->cur.x = penum->prev.x = dda_current(penum->dda.row.x);
+	penum->cur.y = penum->prev.y = dda_current(penum->dda.row.y);
+	dda_init(penum->dda.pixel0.x, penum->cur.x, row_extent.x,
+		 width);
+	dda_init(penum->dda.pixel0.y, penum->cur.y, row_extent.y,
+		 width);
+	if (penum->rect.x) {
+	    dda_advance(penum->dda.pixel0.x, penum->rect.x);
+	    dda_advance(penum->dda.pixel0.y, penum->rect.x);
+	} {
+	    fixed ox = dda_current(penum->dda.pixel0.x);
+	    fixed oy = dda_current(penum->dda.pixel0.y);
+
+	    if (!penum->clip_image)	/* i.e., not clip region */
+		penum->clip_image =
+		    (fixed_pixround(ox + epx) < fixed_pixround(cbox.p.x) ?
+		     image_clip_xmin : 0) +
+		    (fixed_pixround(ox + eqx) >= fixed_pixround(cbox.q.x) ?
+		     image_clip_xmax : 0) +
+		    (fixed_pixround(oy + epy) < fixed_pixround(cbox.p.y) ?
+		     image_clip_ymin : 0) +
+		    (fixed_pixround(oy + eqy) >= fixed_pixround(cbox.q.y) ?
+		     image_clip_ymax : 0);
+	}
+    }
+    penum->y = 0;
+    penum->adjust = adjust;
+    {
+	static const sample_unpack_proc_t procs[4] =
+	{
+	    sample_unpack_1, sample_unpack_2,
+	    sample_unpack_4, sample_unpack_8
+	};
+
+	if (index_bps == 4) {
+	    if ((penum->unpack = sample_unpack_12_proc) == 0) {		/* 12-bit samples are not supported. */
+		gx_default_end_image(dev,
+				     (gx_image_enum_common_t *) penum,
+				     false);
+		return_error(gs_error_rangecheck);
+	    }
+	} else {
+	    penum->unpack = procs[index_bps];
+	    if_debug1('b', "[b]unpack=%d\n", bps);
+	}
+#define use_strategy(sp)\
+  (image_strategies.sp != 0 &&\
+   (penum->render = (*image_strategies.sp)(penum)) != 0)
+	if (
+	       use_strategy(interpolate) ||
+	       use_strategy(simple) ||
+	       use_strategy(fracs) ||
+	       use_strategy(mono) ||
+	       use_strategy(color)
+	    )
+	    DO_NOTHING;
+#undef use_strategy
+	else {			/* No available strategy can handle this image. */
+	    gx_default_end_image(dev, (gx_image_enum_common_t *) penum,
+				 false);
+	    return_error(gs_error_rangecheck);
+	}
+    }
+    if (penum->clip_image && pcpath) {	/* Set up the clipping device. */
+	gx_device_clip *cdev =
+	gs_alloc_struct(mem, gx_device_clip,
+			&st_device_clip, "image clipper");
+
+	if (cdev == 0) {
+	    gx_default_end_image(dev,
+				 (gx_image_enum_common_t *) penum,
+				 false);
+	    return_error(gs_error_VMerror);
+	}
+	gx_make_clip_device(cdev, cdev, gx_cpath_list(pcpath));
+	cdev->target = dev;
+	(*dev_proc(cdev, open_device)) ((gx_device *) cdev);
+	penum->clip_dev = cdev;
+    }
+    if (penum->use_rop) {	/* Set up the RasterOp source device. */
+	gx_device_rop_texture *rtdev;
+
+	code = gx_alloc_rop_texture_device(&rtdev, mem,
+					   "image RasterOp");
+	if (code < 0) {
+	    gx_default_end_image(dev, (gx_image_enum_common_t *) penum,
+				 false);
+	    return code;
+	}
+	gx_make_rop_texture_device(rtdev,
+				   (penum->clip_dev != 0 ?
+				    (gx_device *) penum->clip_dev :
+				    dev), lop, pdcolor);
+	penum->rop_dev = rtdev;
+    }
+#ifdef DEBUG
+    if (gs_debug_c('b')) {
+	dlprintf2("[b]Image: w=%d h=%d", width, height);
+	if (prect)
+	    dprintf4(" ((%d,%d),(%d,%d))",
+		     prect->p.x, prect->p.y, prect->q.x, prect->q.y);
+	dprintf6(" [%g %g %g %g %g %g]\n",
+		 mat.xx, mat.xy, mat.yx, mat.yy, mat.tx, mat.ty);
+    }
+#endif
+    *pinfo = (gx_image_enum_common_t *) penum;
+    return 0;
+}
+
+/* If a drawing color is black or white, return 0 or 1 respectively, */
+/* otherwise return -1. */
+private int
+color_draws_b_w(gx_device * dev, const gx_drawing_color * pdcolor)
+{
+    if (color_is_pure(pdcolor)) {
+	gx_color_value rgb[3];
+
+	(*dev_proc(dev, map_color_rgb)) (dev, gx_dc_pure_color(pdcolor),
+					 rgb);
+	if (!(rgb[0] | rgb[1] | rgb[2]))
+	    return 0;
+	if ((rgb[0] & rgb[1] & rgb[2]) == gx_max_color_value)
+	    return 1;
+    }
+    return -1;
+}
+
+/* Initialize the color mapping tables for a non-mask image. */
+private void
+image_init_colors(gx_image_enum * penum, int bps, int spp, bool multi,
+		  const float *decode /*[spp*2] */ , const gs_imager_state * pis, gx_device * dev,
+		  const gs_color_space * pcs, bool * pdcb)
+{
+    int ci;
+    static const float default_decode[] =
+    {
+	0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0
+    };
+
+    /* Initialize the color table */
+
+#define ictype(i)\
+  penum->clues[i].dev_color.type
+    switch ((spp == 1 ? bps : 8)) {
+	case 8:		/* includes all color images */
+	    {
+		register gx_image_clue *pcht = &penum->clues[0];
+		register int n = 64;
+
+		do {
+		    pcht[0].dev_color.type =
+			pcht[1].dev_color.type =
+			pcht[2].dev_color.type =
+			pcht[3].dev_color.type =
+			gx_dc_type_none;
+		    pcht[0].key = pcht[1].key =
+			pcht[2].key = pcht[3].key = 0;
+		    pcht += 4;
+		}
+		while (--n > 0);
+		penum->clues[0].key = 1;	/* guarantee no hit */
+		break;
+	    }
+	case 4:
+	    ictype(17) = ictype(2 * 17) = ictype(3 * 17) =
+		ictype(4 * 17) = ictype(6 * 17) = ictype(7 * 17) =
+		ictype(8 * 17) = ictype(9 * 17) = ictype(11 * 17) =
+		ictype(12 * 17) = ictype(13 * 17) = ictype(14 * 17) =
+		gx_dc_type_none;
+	    /* falls through */
+	case 2:
+	    ictype(5 * 17) = ictype(10 * 17) = gx_dc_type_none;
+#undef ictype
+    }
+
+    /* Initialize the maps from samples to intensities. */
+
+    for (ci = 0; ci < spp; ci++) {
+	sample_map *pmap = &penum->map[ci];
+
+	/* If the decoding is [0 1] or [1 0], we can fold it */
+	/* into the expansion of the sample values; */
+	/* otherwise, we have to use the floating point method. */
+
+	const float *this_decode = &decode[ci * 2];
+	const float *map_decode;	/* decoding used to */
+
+	/* construct the expansion map */
+
+	const float *real_decode;	/* decoding for */
+
+	/* expanded samples */
+
+	bool no_decode;
+
+	map_decode = real_decode = this_decode;
+	if (map_decode[0] == 0.0 && map_decode[1] == 1.0)
+	    no_decode = true;
+	else if (map_decode[0] == 1.0 && map_decode[1] == 0.0)
+	    no_decode = true,
+		real_decode = default_decode;
+	else
+	    no_decode = false,
+		*pdcb = false,
+		map_decode = default_decode;
+	if (bps > 2 || multi) {
+	    if (bps <= 8)
+		image_init_map(&pmap->table.lookup8[0], 1 << bps,
+			       map_decode);
+	} else {		/* The map index encompasses more than one pixel. */
+	    byte map[4];
+	    register int i;
+
+	    image_init_map(&map[0], 1 << bps, map_decode);
+	    switch (bps) {
+		case 1:
+		    {
+			register bits32 *p = &pmap->table.lookup4x1to32[0];
+
+			if (map[0] == 0 && map[1] == 0xff)
+			    memcpy((byte *) p, lookup4x1to32_identity, 16 * 4);
+			else if (map[0] == 0xff && map[1] == 0)
+			    memcpy((byte *) p, lookup4x1to32_inverted, 16 * 4);
+			else
+			    for (i = 0; i < 16; i++, p++)
+				((byte *) p)[0] = map[i >> 3],
+				    ((byte *) p)[1] = map[(i >> 2) & 1],
+				    ((byte *) p)[2] = map[(i >> 1) & 1],
+				    ((byte *) p)[3] = map[i & 1];
+		    }
+		    break;
+		case 2:
+		    {
+			register bits16 *p = &pmap->table.lookup2x2to16[0];
+
+			for (i = 0; i < 16; i++, p++)
+			    ((byte *) p)[0] = map[i >> 2],
+				((byte *) p)[1] = map[i & 3];
+		    }
+		    break;
+	    }
+	}
+	pmap->decode_base /* = decode_lookup[0] */  = real_decode[0];
+	pmap->decode_factor =
+	    (real_decode[1] - real_decode[0]) /
+	    (bps <= 8 ? 255.0 : (float)frac_1);
+	pmap->decode_max /* = decode_lookup[15] */  = real_decode[1];
+	if (no_decode)
+	    pmap->decoding = sd_none;
+	else if (bps <= 4) {
+	    int step = 15 / ((1 << bps) - 1);
+	    int i;
+
+	    pmap->decoding = sd_lookup;
+	    for (i = 15 - step; i > 0; i -= step)
+		pmap->decode_lookup[i] = pmap->decode_base +
+		    i * (255.0 / 15) * pmap->decode_factor;
+	} else
+	    pmap->decoding = sd_compute;
+	if (spp == 1) {		/* and ci == 0 *//* Pre-map entries 0 and 255. */
+	    gs_client_color cc;
+
+	    cc.paint.values[0] = real_decode[0];
+	    (*pcs->type->remap_color) (&cc, pcs, &penum->icolor0,
+				       pis, dev, gs_color_select_source);
+	    cc.paint.values[0] = real_decode[1];
+	    (*pcs->type->remap_color) (&cc, pcs, &penum->icolor1,
+				       pis, dev, gs_color_select_source);
+	}
+    }
+
+}
+/* Construct a mapping table for sample values. */
+/* map_size is 2, 4, 16, or 256.  Note that 255 % (map_size - 1) == 0, */
+/* so the division 0xffffL / (map_size - 1) is always exact. */
+private void
+image_init_map(byte * map, int map_size, const float *decode)
+{
+    float min_v = decode[0];
+    float diff_v = decode[1] - min_v;
+
+    if (diff_v == 1 || diff_v == -1) {	/* We can do the stepping with integers, without overflow. */
+	byte *limit = map + map_size;
+	uint value = min_v * 0xffffL;
+	int diff = diff_v * (0xffffL / (map_size - 1));
+
+	for (; map != limit; map++, value += diff)
+	    *map = value >> 8;
+    } else {			/* Step in floating point, with clamping. */
+	int i;
+
+	for (i = 0; i < map_size; ++i) {
+	    int value = (int)((min_v + diff_v * i / (map_size - 1)) * 255);
+
+	    map[i] = (value < 0 ? 0 : value > 255 ? 255 : value);
+	}
+    }
+}
diff --git a/pstoraster/gximage.h b/pstoraster/gximage.h
new file mode 100644
index 000000000..ea28e40e2
--- /dev/null
+++ b/pstoraster/gximage.h
@@ -0,0 +1,283 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxcpath.h, gxdevmem.h, gxdcolor.h, gzpath.h */
+
+#ifndef gximage_INCLUDED
+#  define gximage_INCLUDED
+
+#include "gsiparam.h"
+#include "gxcspace.h"
+#include "strimpl.h"		/* for siscale.h */
+#include "siscale.h"
+#include "gxdda.h"
+#include "gxiparam.h"
+#include "gxsample.h"
+
+/* Define the abstract type for the image enumerator state. */
+typedef struct gx_image_enum_s gx_image_enum;
+
+/*
+ * Incoming samples may go through two different transformations:
+ *
+ *      - For N-bit input samples with N <= 8, N-to-8-bit expansion
+ *      may involve a lookup map.  Currently this map is either an
+ *      identity function or a subtraction from 1 (inversion).
+ *
+ *      - The 8-bit or frac expanded sample may undergo decoding (a linear
+ *      transformation) before being handed off to the color mapping
+ *      machinery.
+ *
+ * If the decoding function's range is [0..1], we fold it into the
+ * expansion lookup; otherwise we must compute it separately.
+ * For speed, we distinguish 3 different cases of the decoding step:
+ */
+typedef enum {
+    sd_none,			/* decoded during expansion */
+    sd_lookup,			/* use lookup_decode table */
+    sd_compute			/* compute using base and factor */
+} sample_decoding;
+typedef struct sample_map_s {
+
+    sample_lookup_t table;
+
+    /* If an 8-bit fraction doesn't represent the decoded value */
+    /* accurately enough, but the samples have 4 bits or fewer, */
+    /* we precompute the decoded values into a table. */
+    /* Different entries are used depending on bits/sample: */
+    /*      1,8,12 bits/sample: 0,15        */
+    /*      2 bits/sample: 0,5,10,15        */
+    /*      4 bits/sample: all      */
+
+    float decode_lookup[16];
+#define decode_base decode_lookup[0]
+#define decode_max decode_lookup[15]
+
+    /* In the worst case, we have to do the decoding on the fly. */
+    /* The value is base + sample * factor, where the sample is */
+    /* an 8-bit (unsigned) integer or a frac. */
+
+    double decode_factor;
+
+    sample_decoding decoding;
+
+} sample_map;
+
+/* Decode an 8-bit sample into a floating point color component. */
+/* penum points to the gx_image_enum structure. */
+#define decode_sample(sample_value, cc, i)\
+  switch ( penum->map[i].decoding )\
+  {\
+  case sd_none:\
+    cc.paint.values[i] = (sample_value) * (1.0 / 255.0);  /* faster than / */\
+    break;\
+  case sd_lookup:	/* <= 4 significant bits */\
+    cc.paint.values[i] =\
+      penum->map[i].decode_lookup[(sample_value) >> 4];\
+    break;\
+  case sd_compute:\
+    cc.paint.values[i] =\
+      penum->map[i].decode_base + (sample_value) * penum->map[i].decode_factor;\
+  }
+
+/* Decode a frac value similarly. */
+#define decode_frac(frac_value, cc, i)\
+  cc.paint.values[i] =\
+    penum->map[i].decode_base + (frac_value) * penum->map[i].decode_factor
+
+/*
+ * Declare the variable that holds the 12-bit unpacking procedure
+ * if 12-bit samples are supported.
+ */
+extern sample_unpack_proc((*sample_unpack_12_proc));
+
+/*
+ * Define the interface for routines used to render a (source) scan line.
+ * If the buffer is the original client's input data, it may be unaligned;
+ * otherwise, it will always be aligned.
+ *
+ * The image_render procedures work on fully expanded, complete rows.  These
+ * take a height argument, which is an integer >= 0; they return a negative
+ * code, or the number of rows actually processed (which may be less than
+ * the height).  height = 0 is a special call to indicate that there is no
+ * more input data; this is necessary because the last scan lines of the
+ * source data may not produce any output.
+ */
+#define irender_proc(proc)\
+  int proc(P6(gx_image_enum *penum, const byte *buffer, int data_x,\
+	      uint w, int h, gx_device *dev))
+typedef irender_proc((*irender_proc_t));
+
+/*
+ * Define 'strategy' procedures for selecting imaging methods.  Strategies
+ * are called in the order in which they are declared below, so each one may
+ * assume that all the previous ones failed.  If a strategy succeeds, it may
+ * update the enumerator structure as well as returning the rendering
+ * procedure.
+ *
+ * Note that strategies are defined by procedure members of a structure, so
+ * that they may be omitted from configurations where they are not desired.
+ */
+#define image_strategy_proc(proc)\
+  irender_proc_t proc(P1(gx_image_enum *penum))
+typedef image_strategy_proc((*image_strategy_proc_t));
+typedef struct gx_image_strategies_s {
+    image_strategy_proc_t interpolate;
+    image_strategy_proc_t simple;
+    image_strategy_proc_t fracs;
+    image_strategy_proc_t mono;
+    image_strategy_proc_t color;
+} gx_image_strategies_t;
+extern gx_image_strategies_t image_strategies;
+
+/* Define the distinct postures of an image. */
+/* Each posture includes its reflected variant. */
+typedef enum {
+    image_portrait = 0,		/* 0 or 180 degrees */
+    image_landscape,		/* 90 or 270 degrees */
+    image_skewed		/* any other transformation */
+} image_posture;
+
+/* Define an entry in the image color table.  For single-source-plane */
+/* images, the table index is the sample value, and the key is not used; */
+/* for multiple-plane (color) images, the table index is a hash of the key, */
+/* which is the concatenation of the source pixel components. */
+/* "Clue" = Color LookUp Entry (by analogy with CLUT). */
+typedef struct gx_image_clue_s {
+    gx_device_color dev_color;
+    bits32 key;
+} gx_image_clue;
+
+/* Main state structure */
+
+#ifndef gx_device_rop_texture_DEFINED
+#  define gx_device_rop_texture_DEFINED
+typedef struct gx_device_rop_texture_s gx_device_rop_texture;
+
+#endif
+
+struct gx_image_enum_s {
+    gx_image_enum_common;
+    /* We really want the map structure to be long-aligned, */
+    /* so we choose shorter types for some flags. */
+    /* Following are set at structure initialization */
+    byte bps;			/* bits per sample: 1, 2, 4, 8, 12 */
+    byte unpack_bps;		/* bps for computing unpack proc, */
+    /* set to 8 if no unpacking */
+    byte log2_xbytes;		/* log2(bytes per expanded sample): */
+    /* 0 if bps <= 8, log2(sizeof(frac)) */
+    /* if bps > 8 */
+    byte spp;			/* samples per pixel: 1, 3, or 4 */
+    /* (1, 2, 3, 4, or 5 if alpha is allowed) */
+    gs_image_alpha_t alpha;	/* Alpha from image structure */
+    /*byte num_planes; *//* spp if colors are separated, */
+    /* 1 otherwise (in common part) */
+    byte spread;		/* num_planes << log2_xbytes */
+    byte masked;		/* 0 = [color]image, 1 = imagemask */
+    byte interpolate;		/* true if Interpolate requested */
+    gs_matrix matrix;		/* image space -> device space */
+    struct r_ {
+	int x, y, w, h;		/* subrectangle being rendered */
+    } rect;
+    gs_fixed_point x_extent, y_extent;	/* extent of one row of rect */
+                   sample_unpack_proc((*unpack));
+                   irender_proc((*render));
+    const gs_imager_state *pis;
+    const gs_color_space *pcs;	/* color space of image */
+    gs_memory_t *memory;
+    byte *buffer;		/* for expanding samples to a */
+    /* byte or frac */
+    uint buffer_size;
+    byte *line;			/* buffer for an output scan line */
+    uint line_size;
+    uint line_width;		/* width of line in device pixels */
+    image_posture posture;
+    byte use_rop;		/* true if CombineWithColor requested */
+    byte clip_image;		/* mask, see below */
+    /* Either we are clipping to a rectangle, in which case */
+    /* the individual x/y flags may be set, or we are clipping */
+    /* to a general region, in which case only clip_region */
+    /* is set. */
+#define image_clip_xmin 1
+#define image_clip_xmax 2
+#define image_clip_ymin 4
+#define image_clip_ymax 8
+#define image_clip_region 0x10
+    byte slow_loop;		/* true if must use slower loop */
+    /* (if needed) */
+    byte device_color;		/* true if device color space and */
+    /* standard decoding */
+    gs_fixed_rect clip_outer;	/* outer box of clip path */
+    gs_fixed_rect clip_inner;	/* inner box of clip path */
+    gs_logical_operation_t log_op;	/* logical operation */
+    fixed adjust;		/* adjustment when rendering */
+    /* characters */
+    fixed dxx, dxy;		/* fixed versions of matrix */
+    /* components (as needed) */
+    gx_device_clip *clip_dev;	/* clipping device (if needed) */
+    gx_device_rop_texture *rop_dev;	/* RasterOp device (if needed) */
+    stream_IScale_state *scaler;	/* scale state for */
+    /* Interpolate (if needed) */
+    /* Following are updated dynamically */
+    int y;			/* next source y */
+    gs_fixed_point cur, prev;	/* device x, y of current & */
+    /* previous row */
+    struct dd_ {
+	gx_dda_fixed_point row;	/* DDA for row origin, has been */
+	/* advanced when render proc called */
+	gx_dda_fixed_point pixel0;	/* DDA for first pixel of row */
+    } dda;
+    int line_xy;		/* x or y value at start of buffered line */
+    int xi_next;		/* expected xci of next row */
+    /* (landscape only) */
+    gs_int_point xyi;		/* integer origin of row */
+    /* (Interpolate only) */
+    int yci, hci;		/* integer y & h of row (portrait) */
+    int xci, wci;		/* integer x & w of row (landscape) */
+    /* The maps are set at initialization.  We put them here */
+    /* so that the scalars will have smaller offsets. */
+    sample_map map[5];		/* 4 colors + alpha */
+    /* Entries 0 and 255 of the following are set at initialization */
+    /* for monochrome images; other entries are updated dynamically. */
+    gx_image_clue clues[256];
+#define icolor0 clues[0].dev_color
+#define icolor1 clues[255].dev_color
+};
+
+/* Enumerate the pointers in an image enumerator. */
+#define gx_image_enum_do_ptrs(m)\
+  m(0,pis) m(1,pcs) m(2,dev) m(3,buffer) m(4,line)\
+  m(5,clip_dev) m(6,rop_dev) m(7,scaler)
+#define gx_image_enum_num_ptrs 8
+#define private_st_gx_image_enum() /* in gsimage.c */\
+  gs_private_st_composite(st_gx_image_enum, gx_image_enum, "gx_image_enum",\
+    image_enum_enum_ptrs, image_enum_reloc_ptrs)
+
+/* Compare two device colors for equality. */
+/* We can special-case this for speed later if we care. */
+#define dev_color_eq(devc1, devc2)\
+  gx_device_color_equal(&(devc1), &(devc2))
+
+#endif /* gximage_INCLUDED */
diff --git a/pstoraster/gximage3.c b/pstoraster/gximage3.c
new file mode 100644
index 000000000..38e348177
--- /dev/null
+++ b/pstoraster/gximage3.c
@@ -0,0 +1,429 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* ImageType 3 image implementation */
+#include "math_.h"		/* for ceil, floor */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsbitops.h"
+#include "gscspace.h"
+#include "gsiparm3.h"
+#include "gsstruct.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxclipm.h"
+#include "gxiparam.h"
+#include "gxistate.h"
+
+/* Forward references */
+private dev_proc_begin_typed_image(gx_begin_image3);
+private image_enum_proc_plane_data(gx_image3_plane_data);
+private image_enum_proc_end_image(gx_image3_end_image);
+
+/* GC descriptor */
+extern_st(st_gs_pixel_image);
+public_st_gs_image3();
+
+/* Define the image type for ImageType 3 images. */
+private const gx_image_type_t image3_type = {
+    gx_begin_image3, gx_data_image_source_size, 3
+};
+private const gx_image_enum_procs_t image3_enum_procs = {
+    gx_image3_plane_data, gx_image3_end_image
+};
+
+/* Initialize an ImageType 3 image. */
+void
+gs_image3_t_init(gs_image3_t * pim, const gs_color_space * color_space,
+		 gs_image3_interleave_type_t interleave_type)
+{
+    gs_pixel_image_t_init((gs_pixel_image_t *) pim, color_space);
+    pim->type = &image3_type;
+    pim->InterleaveType = interleave_type;
+    gs_data_image_t_init(&pim->MaskDict, -1);
+}
+
+/*
+ * We implement ImageType 3 images by interposing a mask clipper in
+ * front of an ordinary ImageType 1 image.  Note that we build up the
+ * mask row-by-row as we are processing the image.
+ */
+typedef struct gx_image3_enum_s {
+    gx_image_enum_common;
+    gx_device_memory *mdev;
+    gx_device_mask_clip *pcdev;
+    gx_image_enum_common_t *pixel_info;
+    gx_image_enum_common_t *mask_info;
+    gs_image3_interleave_type_t InterleaveType;
+    int num_components;		/* (not counting mask) */
+    int bpc;			/* BitsPerComponent */
+    gs_memory_t *memory;
+    int mask_width;
+    int pixel_width;
+    byte *pixel_data;		/* (if chunky) */
+    byte *mask_data;		/* (if chunky) */
+    int y;			/* counts up to max(p'height, m'height) */
+    int pixel_height;
+    int mask_height;
+} gx_image3_enum_t;
+
+gs_private_st_ptrs6(st_image3_enum, gx_image3_enum_t, "gx_image3_enum_t",
+		    image3_enum_enum_ptrs, image3_enum_reloc_ptrs,
+		 mdev, pcdev, pixel_info, mask_info, pixel_data, mask_data);
+
+/* Begin an ImageType 3 image. */
+private int
+gx_begin_image3(gx_device * dev,
+		const gs_imager_state * pis, const gs_matrix * pmat,
+		const gs_image_common_t * pic, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		gs_memory_t * mem, gx_image_enum_common_t ** pinfo)
+{
+    const gs_image3_t *pim = (const gs_image3_t *)pic;
+    gx_image3_enum_t *penum;
+    gx_device_memory *mdev;
+    gx_device_mask_clip *pcdev;
+    gs_image_t i_pixel, i_mask;
+    gs_matrix mat;
+    gs_rect mrect;
+    gs_int_point origin;
+    int code;
+
+    /* Validate the parameters. */
+    if (pim->Height <= 0 || pim->MaskDict.Height <= 0)
+	return_error(gs_error_rangecheck);
+    switch (pim->InterleaveType) {
+	default:
+	    return_error(gs_error_rangecheck);
+	case interleave_chunky:
+	    if (pim->MaskDict.Width != pim->Width ||
+		pim->MaskDict.Height != pim->Height ||
+		pim->MaskDict.BitsPerComponent != pim->BitsPerComponent ||
+		pim->format != gs_image_format_chunky
+		)
+		return_error(gs_error_rangecheck);
+	    break;
+	case interleave_scan_lines:
+	    if (pim->MaskDict.Height % pim->Height != 0 &&
+		pim->Height % pim->MaskDict.Height != 0
+		)
+		return_error(gs_error_rangecheck);
+	    /* falls through */
+	case interleave_separate_source:
+	    if (pim->MaskDict.BitsPerComponent != 1)
+		return_error(gs_error_rangecheck);
+    }
+    /****** CHECK FOR COMPATIBLE ImageMatrix ******/
+    penum = gs_alloc_struct(mem, gx_image3_enum_t, &st_image3_enum,
+			    "gx_begin_image3");
+    if (penum == 0)
+	return_error(gs_error_VMerror);
+    penum->num_components =
+	gs_color_space_num_components(pim->ColorSpace);
+    gx_image_enum_common_init((gx_image_enum_common_t *) penum,
+			      pic, &image3_enum_procs, dev,
+			      pim->BitsPerComponent,
+			      1 + penum->num_components,
+			      pim->format);
+    if (prect)
+	penum->pixel_width = prect->q.x - prect->p.x,
+	    penum->y = prect->p.y,
+	    penum->pixel_height = prect->q.y - prect->p.y;
+    else
+	penum->pixel_width = pim->Width,
+	    penum->y = 0,
+	    penum->pixel_height = pim->Height;
+    penum->mask_width = pim->MaskDict.Width;
+    penum->mask_height = pim->MaskDict.Height;
+    penum->mdev = mdev =
+	gs_alloc_struct(mem, gx_device_memory, &st_device_memory,
+			"gx_begin_image3(mdev)");
+    if (mdev == 0)
+	goto out1;
+    penum->pcdev = pcdev =
+	gs_alloc_struct(mem, gx_device_mask_clip, &st_device_mask_clip,
+			"gx_begin_image3(pcdev)");
+    if (pcdev == 0)
+	goto out2;
+    penum->mask_info = 0;
+    penum->pixel_info = 0;
+    penum->mask_data = 0;
+    penum->pixel_data = 0;
+    if (pim->InterleaveType == interleave_chunky) {
+	/* Allocate row buffers for the mask and pixel data. */
+	penum->pixel_data =
+	    gs_alloc_bytes(mem,
+			   (penum->pixel_width * pim->BitsPerComponent *
+			    penum->num_components + 7) >> 3,
+			   "gx_begin_image3(pixel_data)");
+	penum->mask_data =
+	    gs_alloc_bytes(mem, (penum->mask_width + 7) >> 3,
+			   "gx_begin_image3(mask_data)");
+	if (penum->pixel_data == 0 || penum->mask_data == 0)
+	    goto out3;
+    }
+    penum->InterleaveType = pim->InterleaveType;
+    penum->bpc = pim->BitsPerComponent;
+    penum->memory = mem;
+    gs_make_mem_mono_device(mdev, mem, NULL);
+    mdev->bitmap_memory = mem;
+    mrect.p.x = mrect.p.y = 0;
+    mrect.q.x = pim->MaskDict.Width;
+    mrect.q.y = pim->MaskDict.Height;
+    if (pmat == 0)
+	pmat = &ctm_only(pis);
+    if ((code = gs_matrix_invert(&pim->MaskDict.ImageMatrix, &mat)) < 0 ||
+	(code = gs_matrix_multiply(&mat, pmat, &mat)) < 0 ||
+	(code = gs_bbox_transform(&mrect, &mat, &mrect)) < 0
+	)
+	return code;
+    origin.x = floor(mrect.p.x);
+    mdev->width = (int)ceil(mrect.q.x) - origin.x;
+    origin.y = floor(mrect.p.y);
+    mdev->height = (int)ceil(mrect.q.y) - origin.y;
+    gx_device_fill_in_procs((gx_device *) mdev);
+    code = (*dev_proc(mdev, open_device)) ((gx_device *) mdev);
+    if (code < 0)
+	goto out3;
+    mdev->is_open = true;
+    {
+	gx_strip_bitmap bits;	/* only gx_bitmap */
+
+	bits.data = mdev->base;
+	bits.raster = mdev->raster;
+	bits.size.x = mdev->width;
+	bits.size.y = mdev->height;
+	bits.id = gx_no_bitmap_id;
+	code = gx_mask_clip_initialize(pcdev, &gs_mask_clip_device,
+				       (const gx_bitmap *)&bits, dev,
+				       origin.x, origin.y);
+	if (code < 0)
+	    goto out4;
+	pcdev->tiles = bits;
+    }
+    gs_image_t_init_mask(&i_mask, false);
+    i_mask.adjust = false;
+    {
+	const gx_image_type_t *type1 = i_mask.type;
+
+	*(gs_data_image_t *)&i_mask = pim->MaskDict;
+	i_mask.type = type1;
+    }
+    {
+	gx_drawing_color dcolor;
+	gs_matrix m_mat;
+
+	(*dev_proc(mdev, fill_rectangle))
+	    ((gx_device *) mdev, 0, 0, mdev->width, mdev->height,
+	     (gx_color_index) 0);
+	color_set_pure(&dcolor, 1);
+	/*
+	 * Adjust the translation for rendering the mask to include a
+	 * negative translation by origin.{x,y} in device space.
+	 */
+	m_mat = *pmat;
+	m_mat.tx -= origin.x;
+	m_mat.ty -= origin.y;
+	/*
+	 * Note that pis = NULL here, since we don't want to have to
+	 * create another imager state with default log_op, etc.
+	 */
+	code = gx_device_begin_typed_image((gx_device *)mdev, NULL, &m_mat,
+					   (const gs_image_common_t *)&i_mask,
+					   prect, &dcolor, NULL, mem,
+					   &penum->mask_info);
+	if (code < 0)
+	    goto out5;
+    }
+    gs_image_t_init(&i_pixel, pim->ColorSpace);
+    {
+	const gx_image_type_t *type1 = i_pixel.type;
+
+	*(gs_pixel_image_t *)&i_pixel = *(const gs_pixel_image_t *)pim;
+	i_pixel.type = type1;
+    }
+    code = gx_device_begin_typed_image((gx_device *) pcdev, pis, pmat,
+				       (const gs_image_common_t *)&i_pixel,
+			   prect, pdcolor, pcpath, mem, &penum->pixel_info);
+    if (code < 0)
+	goto out6;
+    /*
+     * Compute num_planes and plane_depths from the values in the
+     * enumerators for the mask and the image data.
+     */
+    if (pim->InterleaveType == interleave_chunky) {
+	/* Add the mask data to the depth of the image data. */
+	penum->num_planes = 1;
+	penum->plane_depths[0] =
+	    penum->pixel_info->plane_depths[0] *
+	    (penum->num_components + 1) / penum->num_components;
+    } else {
+	/* Insert the mask data as a separate plane before the image data. */
+	penum->num_planes = penum->pixel_info->num_planes + 1;
+	penum->plane_depths[0] = 1;
+	memcpy(&penum->plane_depths[1], &penum->pixel_info->plane_depths[0],
+	       (penum->num_planes - 1) * sizeof(penum->plane_depths[0]));
+    }
+    *pinfo = (gx_image_enum_common_t *) penum;
+    return 0;
+  out6:gx_image_end(penum->mask_info, false);
+  out5:gs_closedevice((gx_device *) pcdev);
+  out4:gs_closedevice((gx_device *) mdev);
+  out3:gs_free_object(mem, pcdev, "gx_begin_image3(pcdev)");
+  out2:gs_free_object(mem, mdev, "gx_begin_image3(mdev)");
+  out1:gs_free_object(mem, penum->mask_data, "gx_begin_image3(mask_data)");
+    gs_free_object(mem, penum->pixel_data, "gx_begin_image3(pixel_data)");
+    gs_free_object(mem, penum, "gx_begin_image3");
+    code = gs_note_error(gs_error_VMerror);
+  out:return code;
+}
+
+/* Process the next piece of an ImageType 3 image. */
+private int
+gx_image3_plane_data(gx_device * dev,
+ gx_image_enum_common_t * info, const gx_image_plane_t * planes, int height)
+{
+    gx_image3_enum_t *penum = (gx_image3_enum_t *) info;
+    int pixel_height = penum->pixel_height;
+    int mask_height = penum->mask_height;
+    int image_height = max(pixel_height, mask_height);
+    int h = min(height, image_height - penum->y);
+    const gx_image_plane_t *pixel_planes;
+    gx_image_plane_t pixel_plane, mask_plane;
+
+    switch (penum->InterleaveType) {
+	case interleave_chunky:
+	    if (h <= 0)
+		return 0;
+	    if (h > 1) {
+		/* Do the operation one row at a time. */
+		mask_plane = planes[0];
+		do {
+		    int code = gx_image3_plane_data(dev, info, &mask_plane, 1);
+
+		    if (code < 0)
+			return code;
+		    mask_plane.data += mask_plane.raster;
+		} while (--h);
+		return 0;
+	    } {
+		/* Pull apart the source data and the mask data. */
+		int bpc = penum->bpc;
+		int num_components = penum->num_components;
+		int width = penum->pixel_width;
+
+		/* We do this in the simplest (not fastest) way for now. */
+		uint bit_x = bpc * (num_components + 1) * planes[0].data_x;
+
+		sample_load_declare_setup(sptr, sbit,
+					  planes[0].data + (bit_x >> 3),
+					  bit_x & 7, bpc);
+		sample_store_declare_setup(mptr, mbit, mbbyte, penum->mask_data,
+					   0, 1);
+		sample_store_declare_setup(pptr, pbit, pbbyte, penum->pixel_data,
+					   0, bpc);
+		int x;
+
+		mask_plane.data = mptr;
+		mask_plane.data_x = 0;
+		/* raster doesn't matter */
+		pixel_plane.data = pptr;
+		pixel_plane.data_x = 0;
+		/* raster doesn't matter */
+		pixel_planes = &pixel_plane;
+		for (x = 0; x < width; ++x) {
+		    uint value;
+		    int i;
+
+		    sample_load_next12(value, sptr, sbit, bpc);
+		    sample_store_next12(value != 0, mptr, mbit, 1, mbbyte);
+		    for (i = 0; i < num_components; ++i) {
+			sample_load_next12(value, sptr, sbit, bpc);
+			sample_store_next12(value, pptr, pbit, bpc, pbbyte);
+		    }
+		}
+		sample_store_flush(mptr, mbit, 1, mbbyte);
+		sample_store_flush(pptr, pbit, bpc, pbbyte);
+	    }
+	    break;
+	case interleave_scan_lines:
+	case interleave_separate_source:
+	    mask_plane = planes[0];
+	    pixel_planes = planes + 1;
+	    break;
+	default:		/* not possible */
+	    return_error(gs_error_rangecheck);
+    }
+    /*
+     * Process the mask data first, so it will set up the mask
+     * device for clipping the pixel data.
+     */
+    if (mask_plane.data) {
+	int code = gx_image_plane_data(penum->mask_info, &mask_plane, h);
+
+	if (code < 0)
+	    return code;
+    }
+    if (pixel_planes[0].data) {
+	int code;
+
+	/*
+	 * If necessary, flush any buffered mask data to the mask clipping
+	 * device.
+	 */
+	if (penum->mask_info->procs->flush)
+	    (*penum->mask_info->procs->flush)(penum->mask_info);
+	code = gx_image_plane_data(penum->pixel_info, pixel_planes, h);
+	if (code < 0)
+	    return code;
+	penum->y += h;
+    }
+    return penum->y >= image_height;
+}
+
+/* Clean up after processing an ImageType 3 image. */
+private int
+gx_image3_end_image(gx_device * dev, gx_image_enum_common_t * info,
+		    bool draw_last)
+{
+    gx_image3_enum_t *penum = (gx_image3_enum_t *) info;
+    gs_memory_t *mem = penum->memory;
+    gx_device_memory *mdev = penum->mdev;
+    int mcode = gx_image_end(penum->mask_info, draw_last);
+    gx_device_mask_clip *pcdev = penum->pcdev;
+    int pcode = gx_image_end(penum->pixel_info, draw_last);
+
+    gs_closedevice((gx_device *) pcdev);
+    gs_closedevice((gx_device *) mdev);
+    gs_free_object(mem, penum->mask_data,
+		   "gx_image3_end_image(mask_data)");
+    gs_free_object(mem, penum->pixel_data,
+		   "gx_image3_end_image(pixel_data)");
+    gs_free_object(mem, pcdev, "gx_image3_end_image(pcdev)");
+    gs_free_object(mem, mdev, "gx_image3_end_image(mdev)");
+    gs_free_object(mem, penum, "gx_image3_end_image");
+    return (pcode < 0 ? pcode : mcode);
+}
diff --git a/pstoraster/gximage4.c b/pstoraster/gximage4.c
new file mode 100644
index 000000000..14dee709e
--- /dev/null
+++ b/pstoraster/gximage4.c
@@ -0,0 +1,297 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* ImageType 4 image implementation */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gscspace.h"
+#include "gsiparm3.h"
+#include "gsiparm4.h"
+#include "gxiparam.h"
+
+/* Forward references */
+private dev_proc_begin_typed_image(gx_begin_image4);
+private image_enum_proc_plane_data(gx_image4_plane_data);
+private image_enum_proc_end_image(gx_image4_end_image);
+
+/* Define the image type for ImageType 4 images. */
+private const gx_image_type_t image4_type = {
+    gx_begin_image4, gx_data_image_source_size, 4
+};
+private const gx_image_enum_procs_t image4_enum_procs = {
+    gx_image4_plane_data, gx_image4_end_image
+};
+
+/* Initialize an ImageType 4 image. */
+void
+gs_image4_t_init(gs_image4_t * pim, const gs_color_space * color_space)
+{
+    gs_pixel_image_t_init((gs_pixel_image_t *) pim, color_space);
+    pim->type = &image4_type;
+    pim->MaskColor_is_range = false;
+}
+
+/*
+ * We implement ImageType 4 using ImageType 3 (or, if the image is known
+ * to be completely opaque, ImageType 1).
+ */
+typedef struct gx_image4_enum_s {
+    gx_image_enum_common;
+    int num_components;
+    int bpc;			/* BitsPerComponent */
+    uint values[gs_image_max_components * 2];
+    gs_memory_t *memory;
+    gx_image_enum_common_t *info;	/* info for image3 or image1 */
+    byte *mask;			/* one scan line of mask data, 0 if image1 */
+    uint mask_size;
+    int width;
+    int y;
+    int height;
+} gx_image4_enum_t;
+
+gs_private_st_ptrs2(st_image4_enum, gx_image4_enum_t, "gx_image4_enum_t",
+		 image4_enum_enum_ptrs, image4_enum_reloc_ptrs, info, mask);
+
+/* Begin an ImageType 4 image. */
+private int
+gx_begin_image4(gx_device * dev,
+		const gs_imager_state * pis, const gs_matrix * pmat,
+		const gs_image_common_t * pic, const gs_int_rect * prect,
+	      const gx_drawing_color * pdcolor, const gx_clip_path * pcpath,
+		gs_memory_t * mem, gx_image_enum_common_t ** pinfo)
+{
+    const gs_image4_t *pim = (const gs_image4_t *)pic;
+    int num_components = gs_color_space_num_components(pim->ColorSpace);
+    bool opaque = false;
+    gx_image4_enum_t *penum;
+    uint mask_size = (pim->Width + 7) >> 3;
+    byte *mask = 0;
+    int code;
+
+    penum = gs_alloc_struct(mem, gx_image4_enum_t, &st_image4_enum,
+			    "gx_begin_image4");
+    if (penum == 0)
+	return_error(gs_error_VMerror);
+    gx_image_enum_common_init((gx_image_enum_common_t *) penum,
+			      pic, &image4_enum_procs, dev,
+			      pim->BitsPerComponent,
+			      num_components, pim->format);
+    penum->memory = mem;
+    {
+	uint max_value = (1 << pim->BitsPerComponent) - 1;
+	int i;
+
+	for (i = 0; i < num_components * 2; i += 2) {
+	    uint c0, c1;
+
+	    if (pim->MaskColor_is_range)
+		c0 = pim->MaskColor[i], c1 = pim->MaskColor[i + 1];
+	    else
+		c0 = c1 = pim->MaskColor[i >> 1];
+
+	    if (c1 > max_value)
+		c1 = max_value;
+	    if (c0 > c1) {
+		opaque = true;
+		break;
+	    }
+	    penum->values[i] = c0;
+	    penum->values[i + 1] = c1;
+	}
+    }
+    if (opaque) {
+	/*
+	 * This image doesn't need masking at all, since at least one of
+	 * the transparency keys can never be matched.  Process it as an
+	 * ImageType 1 image.
+	 */
+	const gx_image_type_t *type;
+	gs_image1_t image1;
+
+	gs_image_t_init(&image1, pim->ColorSpace);
+	type = image1.type;
+	*(gs_pixel_image_t *)&image1 =
+	    *(const gs_pixel_image_t *)pim;
+	image1.type = type;
+	penum->mask = 0;	/* indicates opaque image */
+	code = gx_device_begin_typed_image(dev, pis, pmat,
+					   (gs_image_common_t *)&image1,
+				 prect, pdcolor, pcpath, mem, &penum->info);
+    } else if ((mask = gs_alloc_bytes(mem, mask_size,
+				      "gx_begin_image4(mask)")) == 0
+	) {
+	code = gs_note_error(gs_error_VMerror);
+    } else {
+	gs_image3_t image3;
+
+	penum->num_components = num_components;
+	gs_image3_t_init(&image3, pim->ColorSpace, interleave_scan_lines);
+	{
+	    const gx_image_type_t *type = image3.type;
+
+	    *(gs_pixel_image_t *)&image3 =
+		*(const gs_pixel_image_t *)pim;
+	    image3.type = type;
+	}
+	*(gs_data_image_t *)&image3.MaskDict =
+	    *(const gs_data_image_t *)pim;
+	image3.MaskDict.BitsPerComponent = 1;
+	/*
+	 * The interpretation of Decode is backwards from the sensible
+	 * one, but it's an Adobe convention that is now too hard to
+	 * change in the code.
+	 */
+	image3.MaskDict.Decode[0] = 1;
+	image3.MaskDict.Decode[1] = 0;
+	image3.MaskDict.Interpolate = false;
+	penum->bpc = pim->BitsPerComponent;
+	penum->mask = mask;
+	penum->mask_size = mask_size;
+	if (prect)
+	    penum->width = prect->q.x - prect->p.x,
+		penum->y = prect->p.y, penum->height = prect->q.y - prect->p.y;
+	else
+	    penum->width = pim->Width,
+		penum->y = 0, penum->height = pim->Height;
+	code = gx_device_begin_typed_image(dev, pis, pmat,
+					 (const gs_image_common_t *)&image3,
+				 prect, pdcolor, pcpath, mem, &penum->info);
+    }
+    if (code < 0) {
+	gs_free_object(mem, mask, "gx_begin_image4(mask)");
+	gs_free_object(mem, penum, "gx_begin_image4");
+    } else
+	*pinfo = (gx_image_enum_common_t *) penum;
+    return code;
+}
+
+/* Process the next piece of an ImageType 4 image. */
+/* We disregard the depth in the image planes: BitsPerComponent prevails. */
+private int
+gx_image4_plane_data(gx_device * dev,
+ gx_image_enum_common_t * info, const gx_image_plane_t * planes, int height)
+{
+    gx_image4_enum_t *penum = (gx_image4_enum_t *) info;
+    int num_planes = penum->num_planes;
+    int bpc = penum->bpc;
+    int spp = (num_planes > 1 ? 1 : penum->num_components);
+    byte *mask = penum->mask;
+    uint mask_size = (penum->width + 7) >> 3;
+    gx_image_plane_t sources[gs_image_max_components];
+    int h = min(height, penum->height - penum->y);
+
+    if (penum->mask == 0)	/* opaque image */
+	return gx_image_plane_data(penum->info, planes, height);
+    if (mask_size > penum->mask_size) {
+	mask = gs_resize_object(penum->memory, mask, mask_size,
+				"gx_image4_data(resize mask)");
+	if (mask == 0)
+	    return_error(gs_error_VMerror);
+	penum->mask = mask;
+	penum->mask_size = mask_size;
+    }
+    sources[0].data = mask;
+    sources[0].data_x = 0;
+    sources[0].raster = mask_size;
+    memcpy(sources + 1, planes, num_planes * sizeof(planes[0]));
+    for (; h > 0; ++(penum->y), --h) {
+	int pi;
+	int code;
+
+	memset(mask, 0, (penum->width + 7) >> 3);
+	for (pi = 0; pi < num_planes; ++pi) {
+	    byte *mptr = mask;
+	    byte mbit = 0x80;
+	    uint sx_bit = sources[pi + 1].data_x * bpc;
+	    const byte *sptr = sources[pi + 1].data + (sx_bit >> 3);
+	    uint sx_shift = sx_bit & 7;
+	    int ix;
+
+#define advance_sx()\
+  BEGIN\
+    if ( (sx_shift += bpc) >= 8 ) {\
+      sptr += sx_shift >> 3;\
+      sx_shift &= 7;\
+    }\
+  END
+
+	    for (ix = 0; ix < penum->width; ++ix) {
+		int ci;
+
+		for (ci = 0; ci < spp; ++ci) {
+		    /*
+		     * The following odd-looking computation is, in fact,
+		     * correct both for chunky (pi = 0) and planar (ci = 0)
+		     * data formats.
+		     */
+		    int vi = (ci + pi) * 2;
+		    uint sample;
+
+		    if (bpc <= 8) {
+			sample = (*sptr >> (8 - sx_shift - bpc)) &
+			    ((1 << bpc) - 1);
+		    } else {
+			/* bpc == 12 */
+			if (sx_shift /* == 4 */ )
+			    sample = ((*sptr & 0xf) << 8) + sptr[1];
+			else
+			    sample = (*sptr << 8) + (sptr[1] >> 4);
+		    }
+		    if (sample < penum->values[vi] ||
+			sample > penum->values[vi + 1]
+			)
+			*mptr |= mbit;
+		    advance_sx();
+		}
+		if ((mbit >>= 1) == 0)
+		    mbit = 0x80, ++mptr;
+	    }
+	}
+	code = gx_image_plane_data(penum->info, sources, 1);
+	if (code < 0)
+	    return code;
+	for (pi = 1; pi <= num_planes; ++pi)
+	    sources[pi].data += sources[pi].raster;
+    }
+#undef advance_sx
+    return penum->y >= penum->height;
+}
+
+/* Clean up after processing an ImageType 4 image. */
+private int
+gx_image4_end_image(gx_device * dev, gx_image_enum_common_t * info,
+		    bool draw_last)
+{
+    gx_image4_enum_t *penum = (gx_image4_enum_t *) info;
+    gs_memory_t *mem = penum->memory;
+
+    /* Finish processing the ImageType 3 (or 1) image. */
+    int code = gx_image_end(penum->info, draw_last);
+
+    gs_free_object(mem, penum->mask, "gx_image4_end_image(mask)");
+    gs_free_object(mem, penum, "gx_image4_end_image");
+    return code;
+}
diff --git a/pstoraster/gximono.c b/pstoraster/gximono.c
new file mode 100644
index 000000000..13eb57e50
--- /dev/null
+++ b/pstoraster/gximono.c
@@ -0,0 +1,586 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* General mono-component image rendering */
+#include "gx.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gsccolor.h"
+#include "gspaint.h"
+#include "gsutil.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxdevmem.h"
+#include "gdevmem.h"		/* for mem_mono_device */
+#include "gxcpath.h"
+#include "gximage.h"
+#include "gzht.h"
+
+/* ------ Strategy procedure ------ */
+
+/* We can bypass X clipping for portrait mono-component images. */
+private irender_proc(image_render_mono);
+private irender_proc_t
+image_strategy_mono(gx_image_enum * penum)
+{
+    /*
+     * Use the slow loop for imagemask with a halftone,
+     * or for a non-default logical operation.
+     */
+    penum->slow_loop =
+	(penum->masked && !color_is_pure(&penum->icolor1)) ||
+	penum->use_rop;
+    if (penum->spp == 1) {
+	if (!(penum->slow_loop || penum->posture != image_portrait))
+	    penum->clip_image &= ~(image_clip_xmin | image_clip_xmax);
+	if_debug0('b', "[b]render=mono\n");
+	/* Precompute values needed for rasterizing. */
+	penum->dxx =
+	    float2fixed(penum->matrix.xx + fixed2float(fixed_epsilon) / 2);
+	return image_render_mono;
+    }
+    return 0;
+}
+
+void
+gs_gximono_init(gs_memory_t * mem)
+{
+    image_strategies.mono = image_strategy_mono;
+}
+
+/* ------ Rendering procedure ------ */
+
+/* Provide a fake map_gray procedure for the DevicePixel color space. */
+private void
+no_map_gray(frac pixel, gx_device_color * pdc, const gs_imager_state * pis,
+	    gx_device * dev, gs_color_select_t select)
+{
+    color_set_pure(pdc, frac2byte(pixel));
+}
+
+/*
+ * Rendering procedure for general mono-component images, dealing with
+ * multiple bit-per-sample images, general transformations, and arbitrary
+ * single-component color spaces (DeviceGray, DevicePixel, CIEBasedA,
+ * Separation, Indexed). This procedure handles a single scan line.
+ */
+private int
+image_render_mono(gx_image_enum * penum, const byte * buffer, int data_x,
+		  uint w, int h, gx_device * dev)
+{
+    const gs_imager_state *pis = penum->pis;
+    gs_logical_operation_t lop = penum->log_op;
+    const bool masked = penum->masked;
+    const gs_color_space *pcs;	/* only set for non-masks */
+    cmap_proc_gray((*map_gray));	/* ditto */
+    cs_proc_remap_color((*remap_color));	/* ditto */
+    gs_client_color cc;
+    gx_device_color *pdevc = &penum->icolor1;	/* color for masking */
+    /*
+     * Make sure the cache setup matches the graphics state.  Also determine
+     * whether all tiles fit in the cache.  We may bypass the latter check
+     * for masked images with a pure color.
+     */
+    bool tiles_fit = (pis ? gx_check_tile_cache(pis) : false);
+/*
+ * Free variables of IMAGE_SET_GRAY:
+ *   Read: penum, pis, dev, tiles_fit
+ *   Set: pdevc, code, cc
+ */
+#define IMAGE_SET_GRAY(sample_value)\
+  BEGIN\
+    pdevc = &penum->clues[sample_value].dev_color;\
+    if (!color_is_set(pdevc)) {\
+	if (penum->device_color)\
+	    (*map_gray)(byte2frac(sample_value), pdevc, pis, dev, gs_color_select_source);\
+	else {\
+	    decode_sample(sample_value, cc, 0);\
+	    (*remap_color)(&cc, pcs, pdevc, pis, dev, gs_color_select_source);\
+	}\
+    } else if (!color_is_pure(pdevc)) {\
+	if (!tiles_fit) {\
+	    code = gx_color_load_select(pdevc, pis, dev, gs_color_select_source);\
+	    if ( code < 0 ) return code;\
+	}\
+    }\
+  END
+    gx_dda_fixed_point next;	/* (y not used in fast loop) */
+    gx_dda_step_fixed dxx2, dxx3, dxx4;		/* (not used in all loops) */
+    register const byte *psrc = buffer + data_x;
+    const byte *endp = psrc + w;
+    const byte *stop = endp;
+    fixed xrun;			/* x at start of run */
+    register byte run;		/* run value */
+    int htrun = (masked ? 255 : -2);		/* halftone run value */
+    int code = 0;
+
+    if (h == 0)
+	return 0;
+    next = penum->dda.pixel0;
+    xrun = dda_current(next.x);
+    if (!masked) {
+	pcs = penum->pcs;	/* (may not be set for masks) */
+	if (penum->device_color)
+	    map_gray =
+		(gs_color_space_get_index(pcs) ==
+		 gs_color_space_index_DeviceGray ?
+		 gx_device_cmap_procs(dev)->map_gray :
+		 no_map_gray /*DevicePixel */ );
+	else
+	    remap_color = pcs->type->remap_color;
+    }
+    run = *psrc;
+    /* Find the last transition in the input. */
+    {
+	byte last = stop[-1];
+
+	while (stop > psrc && stop[-1] == last)
+	    --stop;
+    }
+    if (penum->slow_loop || penum->posture != image_portrait) {
+
+	/**************************************************************
+	 * Slow case (skewed, rotated, or imagemask with a halftone). *
+	 **************************************************************/
+
+	fixed yrun;
+	const fixed pdyx = dda_current(penum->dda.row.x) - penum->cur.x;
+	const fixed pdyy = dda_current(penum->dda.row.y) - penum->cur.y;
+	dev_proc_fill_parallelogram((*fill_pgram)) =
+	    dev_proc(dev, fill_parallelogram);
+
+#define xl dda_current(next.x)
+#define ytf dda_current(next.y)
+	yrun = ytf;
+	if (masked) {
+
+	    /**********************
+	     * Slow case, masked. *
+	     **********************/
+
+	    pdevc = &penum->icolor1;
+	    code = gx_color_load(pdevc, pis, dev);
+	    if (code < 0)
+		return code;
+	    if (stop <= psrc)
+		goto last;
+	    if (penum->posture == image_portrait) {
+
+		/********************************
+		 * Slow case, masked, portrait. *
+		 ********************************/
+
+		/*
+		 * We don't have to worry about the Y DDA, and the fill
+		 * regions are rectangles.  Calculate multiples of the DDA
+		 * step.
+		 */
+		fixed ax =
+		    (penum->matrix.xx < 0 ? -penum->adjust : penum->adjust);
+		fixed ay =
+		    (pdyy < 0 ? -penum->adjust : penum->adjust);
+		fixed dyy = pdyy + (ay << 1);
+
+		yrun -= ay;
+		dda_translate(next.x, -ax);
+		ax <<= 1;
+		dxx2 = next.x.step;
+		dda_step_add(dxx2, next.x.step);
+		dxx3 = dxx2;
+		dda_step_add(dxx3, next.x.step);
+		dxx4 = dxx3;
+		dda_step_add(dxx4, next.x.step);
+		for (;;) {	/* Skip a run of zeros. */
+		    while (!psrc[0])
+			if (!psrc[1]) {
+			    if (!psrc[2]) {
+				if (!psrc[3]) {
+				    psrc += 4;
+				    dda_state_next(next.x.state, dxx4);
+				    continue;
+				}
+				psrc += 3;
+				dda_state_next(next.x.state, dxx3);
+				break;
+			    }
+			    psrc += 2;
+			    dda_state_next(next.x.state, dxx2);
+			    break;
+			} else {
+			    ++psrc;
+			    dda_next(next.x);
+			    break;
+			}
+		    xrun = xl;
+		    if (psrc >= stop)
+			break;
+		    for (; *psrc; ++psrc)
+			dda_next(next.x);
+		    code = (*fill_pgram)(dev, xrun, yrun,
+					 xl - xrun + ax, fixed_0, fixed_0, dyy,
+					 pdevc, lop);
+		    if (code < 0)
+			return code;
+		    if (psrc >= stop)
+			break;
+		}
+
+	    } else if (penum->posture == image_landscape) {
+
+		/*********************************
+		 * Slow case, masked, landscape. *
+		 *********************************/
+
+		/*
+		 * We don't have to worry about the X DDA.  However, we do
+		 * have to take adjustment into account.  We don't bother to
+		 * optimize this as heavily as the portrait case.
+		 */
+		fixed ax =
+		    (pdyx < 0 ? -penum->adjust : penum->adjust);
+		fixed dyx = pdyx + (ax << 1);
+		fixed ay =
+		    (penum->matrix.xy < 0 ? -penum->adjust : penum->adjust);
+
+		xrun -= ax;
+		dda_translate(next.y, -ay);
+		ay <<= 1;
+		for (;;) {
+		    for (; !*psrc; ++psrc)
+			dda_next(next.y);
+		    yrun = ytf;
+		    if (psrc >= stop)
+			break;
+		    for (; *psrc; ++psrc)
+			dda_next(next.y);
+		    code = (*fill_pgram)(dev, xrun, yrun, fixed_0,
+					 ytf - yrun + ay, dyx, fixed_0,
+					 pdevc, lop);
+		    if (code < 0)
+			return code;
+		    if (psrc >= stop)
+			break;
+		}
+
+	    } else {
+
+		/**************************************
+		 * Slow case, masked, not orthogonal. *
+		 **************************************/
+
+		for (;;) {
+		    for (; !*psrc; ++psrc) {
+			dda_next(next.x);
+			dda_next(next.y);
+		    }
+		    yrun = ytf;
+		    xrun = xl;
+		    if (psrc >= stop)
+			break;
+		    for (; *psrc; ++psrc) {
+			dda_next(next.x);
+			dda_next(next.y);
+		    }
+		    code = (*fill_pgram)(dev, xrun, yrun, xl - xrun,
+					 ytf - yrun, pdyx, pdyy, pdevc, lop);
+		    if (code < 0)
+			return code;
+		    if (psrc >= stop)
+			break;
+		}
+
+	    }
+
+	} else if (penum->posture == image_portrait ||
+		   penum->posture == image_landscape
+	    ) {
+
+	    /**************************************
+	     * Slow case, not masked, orthogonal. *
+	     **************************************/
+
+	    /* In this case, we can fill runs quickly. */
+	    /****** DOESN'T DO ADJUSTMENT ******/
+	    if (stop <= psrc)
+		goto last;
+	    for (;;) {
+		if (*psrc != run) {
+		    if (run != htrun) {
+			htrun = run;
+			IMAGE_SET_GRAY(run);
+		    }
+		    code = (*fill_pgram)(dev, xrun, yrun, xl - xrun,
+					 ytf - yrun, pdyx, pdyy,
+					 pdevc, lop);
+		    if (code < 0)
+			return code;
+		    yrun = ytf;
+		    xrun = xl;
+		    if (psrc >= stop)
+			break;
+		    run = *psrc;
+		}
+		psrc++;
+		dda_next(next.x);
+		dda_next(next.y);
+	    }
+	} else {
+
+	    /******************************************
+	     * Slow case, not masked, not orthogonal. *
+	     ******************************************/
+
+	    /*
+	     * Since we have to check for the end after every pixel
+	     * anyway, we may as well avoid the last-run code.
+	     */
+	    stop = endp;
+	    for (;;) {
+		/* We can't skip large constant regions quickly, */
+		/* because this leads to rounding errors. */
+		/* Just fill the region between xrun and xl. */
+		psrc++;
+		if (run != htrun) {
+		    htrun = run;
+		    IMAGE_SET_GRAY(run);
+		}
+		code = (*fill_pgram) (dev, xrun, yrun, xl - xrun,
+				      ytf - yrun, pdyx, pdyy, pdevc, lop);
+		if (code < 0)
+		    return code;
+		yrun = ytf;
+		xrun = xl;
+		if (psrc > stop) {
+		    --psrc;
+		    break;
+		}
+		run = psrc[-1];
+		dda_next(next.x);
+		dda_next(next.y);	/* harmless if no skew */
+	    }
+
+	}
+	/* Fill the last run. */
+      last:if (stop < endp && (*stop || !masked)) {
+	    if (!masked) {
+		IMAGE_SET_GRAY(*stop);
+	    }
+	    dda_advance(next.x, endp - stop);
+	    dda_advance(next.y, endp - stop);
+	    code = (*fill_pgram) (dev, xrun, yrun, xl - xrun,
+				  ytf - yrun, pdyx, pdyy, pdevc, lop);
+	}
+#undef xl
+#undef ytf
+
+    } else {
+
+	/**********************************************************
+	 * Fast case: no skew, and not imagemask with a halftone. *
+	 **********************************************************/
+
+	const fixed adjust = penum->adjust;
+	const fixed dxx = penum->dxx;
+	fixed xa = (dxx >= 0 ? adjust : -adjust);
+	const int yt = penum->yci, iht = penum->hci;
+
+	dev_proc_fill_rectangle((*fill_proc)) =
+	    dev_proc(dev, fill_rectangle);
+	dev_proc_strip_tile_rectangle((*tile_proc)) =
+	    dev_proc(dev, strip_tile_rectangle);
+	dev_proc_copy_mono((*copy_mono_proc)) =
+	    dev_proc(dev, copy_mono);
+	/*
+	 * If each pixel is likely to fit in a single halftone tile,
+	 * determine that now (tile_offset = offset of row within tile).
+	 * Don't do this for band devices; they handle halftone fills
+	 * more efficiently than copy_mono.
+	 */
+	int bstart;
+	int phase_x;
+	int tile_offset =
+	((*dev_proc(dev, get_band)) (dev, yt, &bstart) == 0 ?
+	 gx_check_tile_size(pis,
+			    fixed2int_ceiling(any_abs(dxx) + (xa << 1)),
+			    yt, iht, gs_color_select_source, &phase_x) :
+	 -1);
+	int xmin = fixed2int_pixround(penum->clip_outer.p.x);
+	int xmax = fixed2int_pixround(penum->clip_outer.q.x);
+
+#define xl dda_current(next.x)
+	/* Fold the adjustment into xrun and xl, */
+	/* including the +0.5-epsilon for rounding. */
+	xrun = xrun - xa + (fixed_half - fixed_epsilon);
+	dda_translate(next.x, xa + (fixed_half - fixed_epsilon));
+	xa <<= 1;
+	/* Calculate multiples of the DDA step. */
+	dxx2 = next.x.step;
+	dda_step_add(dxx2, next.x.step);
+	dxx3 = dxx2;
+	dda_step_add(dxx3, next.x.step);
+	dxx4 = dxx3;
+	dda_step_add(dxx4, next.x.step);
+	if (stop > psrc)
+	    for (;;) {		/* Skip large constant regions quickly, */
+		/* but don't slow down transitions too much. */
+	      skf:if (psrc[0] == run) {
+		    if (psrc[1] == run) {
+			if (psrc[2] == run) {
+			    if (psrc[3] == run) {
+				psrc += 4;
+				dda_state_next(next.x.state, dxx4);
+				goto skf;
+			    } else {
+				psrc += 4;
+				dda_state_next(next.x.state, dxx3);
+			    }
+			} else {
+			    psrc += 3;
+			    dda_state_next(next.x.state, dxx2);
+			}
+		    } else {
+			psrc += 2;
+			dda_next(next.x);
+		    }
+		} else
+		    psrc++;
+		{		/* Now fill the region between xrun and xl. */
+		    int xi = fixed2int_var(xrun);
+		    int wi = fixed2int_var(xl) - xi;
+		    int xei, tsx;
+		    const gx_strip_bitmap *tile;
+
+		    if (wi <= 0) {
+			if (wi == 0)
+			    goto mt;
+			xi += wi, wi = -wi;
+		    }
+		    if ((xei = xi + wi) > xmax || xi < xmin) {	/* Do X clipping */
+			if (xi < xmin)
+			    wi -= xmin - xi, xi = xmin;
+			if (xei > xmax)
+			    wi -= xei - xmax;
+			if (wi <= 0)
+			    goto mt;
+		    }
+		    switch (run) {
+			case 0:
+			    if (masked)
+				goto mt;
+			    if (!color_is_pure(&penum->icolor0))
+				goto ht;
+			    code = (*fill_proc) (dev, xi, yt, wi, iht,
+						 penum->icolor0.colors.pure);
+			    break;
+			case 255:	/* just for speed */
+			    if (!color_is_pure(&penum->icolor1))
+				goto ht;
+			    code = (*fill_proc) (dev, xi, yt, wi, iht,
+						 penum->icolor1.colors.pure);
+			    break;
+			default:
+			  ht:	/* Use halftone if needed */
+			    if (run != htrun) {
+				IMAGE_SET_GRAY(run);
+				htrun = run;
+			    }
+			    /* We open-code gx_fill_rectangle, */
+			    /* because we've done some of the work for */
+			    /* halftone tiles in advance. */
+			    if (color_is_pure(pdevc)) {
+				code = (*fill_proc) (dev, xi, yt, wi, iht,
+						     pdevc->colors.pure);
+			    } else if (!color_is_binary_halftone(pdevc)) {
+				code =
+				    gx_fill_rectangle_device_rop(xi, yt, wi, iht,
+							   pdevc, dev, lop);
+			    } else if (tile_offset >= 0 &&
+				(tile = &pdevc->colors.binary.b_tile->tiles,
+				 (tsx = (xi + phase_x) % tile->rep_width) + wi <= tile->size.x)
+				) {	/* The pixel(s) fit(s) in a single (binary) tile. */
+				byte *row = tile->data + tile_offset;
+
+				code = (*copy_mono_proc)
+				    (dev, row, tsx, tile->raster, gx_no_bitmap_id,
+				     xi, yt, wi, iht,
+				     pdevc->colors.binary.color[0],
+				     pdevc->colors.binary.color[1]);
+			    } else {
+				code = (*tile_proc) (dev,
+					&pdevc->colors.binary.b_tile->tiles,
+						     xi, yt, wi, iht,
+					      pdevc->colors.binary.color[0],
+					      pdevc->colors.binary.color[1],
+					    pdevc->phase.x, pdevc->phase.y);
+			    }
+		    }
+		    if (code < 0)
+			return code;
+		  mt:xrun = xl - xa;	/* original xa << 1 */
+		    if (psrc > stop) {
+			--psrc;
+			break;
+		    }
+		    run = psrc[-1];
+		}
+		dda_next(next.x);
+	    }
+	/* Fill the last run. */
+	if (*stop != 0 || !masked) {
+	    int xi = fixed2int_var(xrun);
+	    int wi, xei;
+
+	    dda_advance(next.x, endp - stop);
+	    wi = fixed2int_var(xl) - xi;
+	    if (wi <= 0) {
+		if (wi == 0)
+		    goto lmt;
+		xi += wi, wi = -wi;
+	    }
+	    if ((xei = xi + wi) > xmax || xi < xmin) {	/* Do X clipping */
+		if (xi < xmin)
+		    wi -= xmin - xi, xi = xmin;
+		if (xei > xmax)
+		    wi -= xei - xmax;
+		if (wi <= 0)
+		    goto lmt;
+	    }
+	    IMAGE_SET_GRAY(*stop);
+	    code = gx_fill_rectangle_device_rop(xi, yt, wi, iht,
+						pdevc, dev, lop);
+	  lmt:;
+	}
+
+    }
+#undef xl
+    return (code < 0 ? code : 1);
+}
diff --git a/pstoraster/gxiodev.h b/pstoraster/gxiodev.h
new file mode 100644
index 000000000..0176b07e6
--- /dev/null
+++ b/pstoraster/gxiodev.h
@@ -0,0 +1,190 @@
+/* Copyright (C) 1993, 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmemory.h */
+
+#ifndef gxiodev_INCLUDED
+#  define gxiodev_INCLUDED
+
+#include "stat_.h"
+
+/*
+ * Note that IODevices are not the same as Ghostscript output devices.
+ * See section 3.8.2 of the PostScript Language Reference Manual,
+ * Second Edition, for more information.
+ */
+
+typedef struct gx_io_device_s gx_io_device;	/* defined here */
+typedef struct gx_io_device_procs_s gx_io_device_procs;		/* defined here */
+
+/* The IODevice table is defined in gconfig.c; its extern is in gscdefs.h. */
+
+#ifndef file_enum_DEFINED	/* also defined in gp.h */
+#  define file_enum_DEFINED
+struct file_enum_s;		/* opaque to client, defined by implementors */
+typedef struct file_enum_s file_enum;
+
+#endif
+
+/* Define an opaque type for parameter lists. */
+#ifndef gs_param_list_DEFINED
+#  define gs_param_list_DEFINED
+typedef struct gs_param_list_s gs_param_list;
+
+#endif
+
+/* Define an opaque type for streams. */
+#ifndef stream_DEFINED
+#  define stream_DEFINED
+typedef struct stream_s stream;
+
+#endif
+
+/* Definition of IODevice procedures */
+/* Note that file names for fopen, delete, rename, and status */
+/* are C strings, not pointer + length. */
+/* Note also that "streams" are a higher-level concept; */
+/* the open_device and open_file procedures are normally NULL. */
+
+struct gx_io_device_procs_s {
+
+#define iodev_proc_init(proc)\
+  int proc(P2(gx_io_device *iodev, gs_memory_t *mem))
+    iodev_proc_init((*init));	/* one-time initialization */
+
+#define iodev_proc_open_device(proc)\
+  int proc(P4(gx_io_device *iodev, const char *access, stream **ps,\
+	      gs_memory_t *mem))
+    iodev_proc_open_device((*open_device));
+
+#define iodev_proc_open_file(proc)\
+  int proc(P6(gx_io_device *iodev, const char *fname, uint namelen,\
+	      const char *access, stream **ps, gs_memory_t *mem))
+    iodev_proc_open_file((*open_file));
+
+    /* fopen was changed in release 2.9.6, */
+    /* and again in 3.20 to return the real fname separately */
+
+#define iodev_proc_fopen(proc)\
+  int proc(P6(gx_io_device *iodev, const char *fname, const char *access,\
+	      FILE **pfile, char *rfname, uint rnamelen))
+    iodev_proc_fopen((*fopen));
+
+#define iodev_proc_fclose(proc)\
+  int proc(P2(gx_io_device *iodev, FILE *file))
+    iodev_proc_fclose((*fclose));
+
+#define iodev_proc_delete_file(proc)\
+  int proc(P2(gx_io_device *iodev, const char *fname))
+    iodev_proc_delete_file((*delete_file));
+
+#define iodev_proc_rename_file(proc)\
+  int proc(P3(gx_io_device *iodev, const char *from, const char *to))
+    iodev_proc_rename_file((*rename_file));
+
+#define iodev_proc_file_status(proc)\
+  int proc(P3(gx_io_device *iodev, const char *fname, struct stat *pstat))
+    iodev_proc_file_status((*file_status));
+
+#define iodev_proc_enumerate_files(proc)\
+  file_enum *proc(P4(gx_io_device *iodev, const char *pat, uint patlen,\
+		     gs_memory_t *mem))
+    iodev_proc_enumerate_files((*enumerate_files));
+
+#define iodev_proc_enumerate_next(proc)\
+  uint proc(P3(file_enum *pfen, char *ptr, uint maxlen))
+    iodev_proc_enumerate_next((*enumerate_next));
+
+#define iodev_proc_enumerate_close(proc)\
+  void proc(P1(file_enum *pfen))
+    iodev_proc_enumerate_close((*enumerate_close));
+
+    /* Added in release 2.9 */
+
+#define iodev_proc_get_params(proc)\
+  int proc(P2(gx_io_device *iodev, gs_param_list *plist))
+    iodev_proc_get_params((*get_params));
+
+#define iodev_proc_put_params(proc)\
+  int proc(P2(gx_io_device *iodev, gs_param_list *plist))
+    iodev_proc_put_params((*put_params));
+
+};
+
+/* The following typedef is needed because ansi2knr can't handle */
+/* iodev_proc_fopen((*procname)) in a formal argument list. */
+typedef iodev_proc_fopen((*iodev_proc_fopen_t));
+
+/* Default implementations of procedures */
+iodev_proc_init(iodev_no_init);
+iodev_proc_open_device(iodev_no_open_device);
+iodev_proc_open_file(iodev_no_open_file);
+iodev_proc_fopen(iodev_no_fopen);
+iodev_proc_fclose(iodev_no_fclose);
+iodev_proc_delete_file(iodev_no_delete_file);
+iodev_proc_rename_file(iodev_no_rename_file);
+iodev_proc_file_status(iodev_no_file_status);
+iodev_proc_enumerate_files(iodev_no_enumerate_files);
+iodev_proc_get_params(iodev_no_get_params);
+iodev_proc_put_params(iodev_no_put_params);
+/* The %os% implemention of fopen and fclose. */
+/* These are exported for pipes and for %null. */
+iodev_proc_fopen(iodev_os_fopen);
+iodev_proc_fclose(iodev_os_fclose);
+
+/* Get the N'th IODevice. */
+gx_io_device *gs_getiodevice(P1(int));
+
+#define iodev_default (gs_getiodevice(0))
+
+/* Look up an IODevice name. */
+gx_io_device *gs_findiodevice(P2(const byte *, uint));
+
+/* Get and put IODevice parameters. */
+int gs_getdevparams(P2(gx_io_device *, gs_param_list *));
+int gs_putdevparams(P2(gx_io_device *, gs_param_list *));
+
+/* Convert an OS error number to a PostScript error */
+/* if opening a file fails. */
+int gs_fopen_errno_to_code(P1(int));
+
+/* Test whether a string is equal to a character. */
+/* (This is used for access testing in file_open procedures.) */
+#define streq1(str, chr)\
+  ((str)[0] == (chr) && (str)[1] == 0)
+
+/* Finally, the IODevice structure itself. */
+struct gx_io_device_s {
+    const char *dname;		/* the IODevice name */
+    const char *dtype;		/* the type returned by c'devparams */
+    gx_io_device_procs procs;
+    void *state;		/* (if the IODevice has state) */
+};
+
+#define private_st_io_device()	/* in gsiodev.c */\
+  gs_private_st_ptrs1(st_io_device, gx_io_device, "gx_io_device",\
+    io_device_enum_ptrs, io_device_reloc_ptrs, state)
+
+#endif /* gxiodev_INCLUDED */
diff --git a/pstoraster/gxiparam.h b/pstoraster/gxiparam.h
new file mode 100644
index 000000000..7ef10c1ef
--- /dev/null
+++ b/pstoraster/gxiparam.h
@@ -0,0 +1,172 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for implementors of image types */
+
+#ifndef gxiparam_INCLUDED
+#  define gxiparam_INCLUDED
+
+#include "gxdevcli.h"
+
+#ifndef gx_image_enum_common_t_DEFINED
+#  define gx_image_enum_common_t_DEFINED
+typedef struct gx_image_enum_common_s gx_image_enum_common_t;
+
+#endif
+
+/*
+ * Define the procedures associated with an image enumerator.
+ *
+ * Note that image_plane_data and end_image used to be device procedures;
+ * they still take the device argument first for compatibility.  However, in
+ * order to make forwarding begin_image work, the intermediary routines
+ * gx_image_[plane_]data and gx_image_end substitute the device from the
+ * enumerator for the explicit device argument, which is ignored.
+ * Eventually we should fix this by removing the device argument from
+ * gx_device..., just as we have done for text enumeration; but this would
+ * have caused major difficulties with 5.1x retrofitting of this code, and
+ * it's too much work to fix right now.  ****** FIX THIS SOMEDAY ******
+ */
+typedef struct gx_image_enum_procs_s {
+
+    /*
+     * Pass the next batch of data for processing.
+     * image_enum_proc_plane_data is defined in gxdevcli.h.
+     */
+
+    image_enum_proc_plane_data((*plane_data));
+
+    /*
+     * End processing an image.  We keep this procedure as the last one that
+     * requires initialization, so that we can detect obsolete static
+     * initializers.  dev_proc_end_image is defined in gxdevcli.h.
+     */
+#define image_enum_proc_end_image(proc)\
+  dev_proc_end_image(proc)
+
+    image_enum_proc_end_image((*end_image));
+
+    /*
+     * Flush any intermediate buffers to the target device.
+     * We need this for situations where two images interact
+     * (currently, only the mask and the data of ImageType 3).
+     * This procedure is optional (may be 0).
+     */
+#define image_enum_proc_flush(proc)\
+  int proc(P1(gx_image_enum_common_t *info))
+
+    image_enum_proc_flush((*flush));
+
+} gx_image_enum_procs_t;
+
+/*
+ * Define the common prefix of the image enumerator structure.  All
+ * implementations of begin[_typed]_image must initialize all of the members
+ * of this structure, by calling gx_image_enum_common_init and then filling
+ * in whatever else they need to.
+ *
+ * Note that the structure includes a unique ID, so that the banding
+ * machinery could in principle keep track of multiple enumerations that may
+ * be in progress simultaneously.
+ */
+#define gx_image_enum_common\
+	const gx_image_type_t *image_type;\
+	const gx_image_enum_procs_t *procs;\
+	gx_device *dev;\
+	gs_id id;\
+	int num_planes;\
+	int plane_depths[gs_image_max_components]	/* [num_planes] */
+struct gx_image_enum_common_s {
+    gx_image_enum_common;
+};
+
+/*extern_st(st_gx_image_enum_common); */
+#define public_st_gx_image_enum_common()	/* in gdevddrw.c */\
+  gs_public_st_composite(st_gx_image_enum_common, gx_image_enum_common_t,\
+    "gx_image_enum_common_t",\
+     image_enum_common_enum_ptrs, image_enum_common_reloc_ptrs)
+
+/*
+ * Initialize the common part of an image enumerator.
+ */
+int gx_image_enum_common_init(P7(gx_image_enum_common_t * piec,
+				 const gs_image_common_t * pic,
+				 const gx_image_enum_procs_t * piep,
+				 gx_device * dev,
+				 int bits_per_component, int num_components,
+				 gs_image_format_t format));
+
+/*
+ * Define the structure for defining image types.  An image type includes
+ * not only the ImageType index, but also the default implementation of
+ * begin_typed_image.
+ */
+#ifndef gx_image_type_DEFINED
+#  define gx_image_type_DEFINED
+typedef struct gx_image_type_s gx_image_type_t;
+#endif
+struct gx_image_type_s {
+
+    dev_proc_begin_typed_image((*begin_typed_image));
+
+    /*
+     * Compute the width and height of the source data.  For images with
+     * explicit data, this information is in the gs_data_image_t
+     * structure, but ImageType 2 images must compute it.
+     */
+#define image_proc_source_size(proc)\
+  int proc(P3(const gs_imager_state *pis, const gs_image_common_t *pim,\
+    gs_int_point *psize))
+
+    image_proc_source_size((*source_size));
+
+    /*
+     * We put index last so that if we add more procedures and some
+     * implementor fails to initialize them, we'll get a type error.
+     */
+    int index;			/* PostScript ImageType */
+};
+
+/*
+ * Define the procedure for getting the source size of an image with
+ * explicit data.
+ */
+image_proc_source_size(gx_data_image_source_size);
+/*
+ * Define image_plane_data and end_image procedures for image types that
+ * don't have any source data (ImageType 2 and composite images).
+ */
+image_enum_proc_plane_data(gx_no_plane_data);
+image_enum_proc_end_image(gx_ignore_end_image);
+/*
+ * Define the procedures and type data for ImageType 1 images,
+ * which are always included.
+ */
+dev_proc_begin_typed_image(gx_begin_image1);
+image_enum_proc_plane_data(gx_image1_plane_data);
+image_enum_proc_end_image(gx_image1_end_image);
+image_enum_proc_flush(gx_image1_flush);
+
+#endif /* gxiparam_INCLUDED */
diff --git a/pstoraster/gxiscale.c b/pstoraster/gxiscale.c
new file mode 100644
index 000000000..3264b79c6
--- /dev/null
+++ b/pstoraster/gxiscale.c
@@ -0,0 +1,256 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpolated image procedures */
+#include "gx.h"
+#include "math_.h"
+#include "memory_.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxfrac.h"
+#include "gxarith.h"
+#include "gxmatrix.h"
+#include "gsccolor.h"
+#include "gspaint.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gzpath.h"
+#include "gxdevmem.h"
+#include "gxcpath.h"
+#include "gximage.h"
+
+/* ------ Strategy procedure ------ */
+
+/* If we're interpolating, use special logic. */
+private irender_proc(image_render_interpolate);
+private irender_proc_t
+image_strategy_interpolate(gx_image_enum * penum)
+{
+    const gs_imager_state *pis = penum->pis;
+    gs_memory_t *mem = penum->memory;
+    stream_IScale_state iss;
+    stream_IScale_state *pss;
+    byte *line;
+    const gs_color_space *pcs = penum->pcs;
+    const gs_color_space *pccs;
+    gs_point dst_xy;
+
+    if (!penum->interpolate)
+	return 0;
+    if (penum->posture != image_portrait || penum->masked ||
+	penum->alpha
+	) {
+	/* We can't handle these cases yet.  Punt. */
+	penum->interpolate = false;
+	return 0;
+    }
+    iss.memory = mem;
+    /* Non-ANSI compilers require the following casts: */
+    gs_distance_transform((float)penum->rect.w, (float)penum->rect.h,
+			  &penum->matrix, &dst_xy);
+    if (penum->bps <= 8 && penum->device_color) {
+	iss.BitsPerComponentIn = 8;
+	iss.MaxValueIn = 0xff;
+    } else {
+	iss.BitsPerComponentIn = sizeof(frac) * 8;
+	iss.MaxValueIn = frac_1;
+    }
+    iss.BitsPerComponentOut = sizeof(frac) * 8;
+    iss.MaxValueOut = frac_1;
+    iss.WidthOut = (int)ceil(fabs(dst_xy.x));
+    iss.HeightOut = (int)ceil(fabs(dst_xy.y));
+    iss.WidthIn = penum->rect.w;
+    iss.HeightIn = penum->rect.h;
+    pccs = cs_concrete_space(pcs, pis);
+    iss.Colors = cs_num_components(pccs);
+    /* Allocate a buffer for one source/destination line. */
+    {
+	uint in_size =
+	iss.WidthIn * iss.Colors * (iss.BitsPerComponentIn / 8);
+	uint out_size =
+	iss.WidthOut * iss.Colors *
+	max(iss.BitsPerComponentOut / 8, sizeof(gx_color_index));
+
+	line = gs_alloc_bytes(mem, max(in_size, out_size),
+			      "image scale src line");
+    }
+    pss = gs_alloc_struct(mem, stream_IScale_state,
+			  &st_IScale_state, "image scale state");
+    if (line == 0 || pss == 0 ||
+	(*pss = iss,
+	 (*s_IScale_template.init) ((stream_state *) pss) < 0)
+	) {
+	gs_free_object(mem, pss, "image scale state");
+	gs_free_object(mem, line, "image scale src line");
+	/* Try again without interpolation. */
+	penum->interpolate = false;
+	return 0;
+    }
+    penum->line = line;
+    penum->scaler = pss;
+    penum->line_xy = 0;
+    {
+	gx_dda_fixed x0;
+
+	x0 = penum->dda.pixel0.x;
+	if (penum->matrix.xx < 0)
+	    dda_advance(x0, penum->rect.w);
+	penum->xyi.x = fixed2int_pixround(dda_current(x0));
+    }
+    penum->xyi.y = fixed2int_pixround(dda_current(penum->dda.pixel0.y));
+    if_debug0('b', "[b]render=interpolate\n");
+    return image_render_interpolate;
+}
+
+void
+gs_gxiscale_init(gs_memory_t * mem)
+{
+    image_strategies.interpolate = image_strategy_interpolate;
+}
+
+/* ------ Rendering for interpolated images ------ */
+
+private int
+image_render_interpolate(gx_image_enum * penum, const byte * buffer,
+			 int data_x, uint iw, int h, gx_device * dev)
+{
+    stream_IScale_state *pss = penum->scaler;
+    const gs_imager_state *pis = penum->pis;
+    const gs_color_space *pcs = penum->pcs;
+    gs_logical_operation_t lop = penum->log_op;
+    int c = pss->Colors;
+    stream_cursor_read r;
+    stream_cursor_write w;
+
+    if (h != 0) {
+	/* Convert the unpacked data to concrete values in */
+	/* the source buffer. */
+	uint row_size = pss->WidthIn * c * pss->sizeofPixelIn;
+	const byte *bdata = buffer + data_x * c * pss->sizeofPixelIn;
+
+	if (pss->sizeofPixelIn == 1) {
+	    /* Easy case: 8-bit device color values. */
+	    r.ptr = bdata - 1;
+	} else {
+	    /* Messy case: concretize each sample. */
+	    int bps = penum->bps;
+	    int dc = penum->spp;
+	    const byte *pdata = bdata;
+	    frac *psrc = (frac *) penum->line;
+	    gs_client_color cc;
+	    int i;
+
+	    r.ptr = (byte *) psrc - 1;
+	    for (i = 0; i < pss->WidthIn; i++, psrc += c) {
+		int j;
+
+		if (bps <= 8)
+		    for (j = 0; j < dc; ++pdata, ++j) {
+			decode_sample(*pdata, cc, j);
+		} else		/* bps == 12 */
+		    for (j = 0; j < dc; pdata += sizeof(frac), ++j) {
+			decode_frac(*(const frac *)pdata, cc, j);
+		    }
+		(*pcs->type->concretize_color) (&cc, pcs, psrc,
+						pis);
+	    }
+	}
+	r.limit = r.ptr + row_size;
+    } else			/* h == 0 */
+	r.ptr = 0, r.limit = 0;
+
+    /*
+     * Process input and/or collect output.  By construction, the pixels are
+     * 1-for-1 with the device, but the Y coordinate might be inverted.
+     */
+
+    {
+	int xo = penum->xyi.x;
+	int yo = penum->xyi.y;
+	int width = pss->WidthOut;
+	int dy;
+	const gs_color_space *pconcs = cs_concrete_space(pcs, pis);
+	int bpp = dev->color_info.depth;
+	uint raster = bitmap_raster(width * bpp);
+
+	if (penum->matrix.yy > 0)
+	    dy = 1;
+	else
+	    dy = -1, yo--;
+	for (;;) {
+	    int ry = yo + penum->line_xy * dy;
+	    int x;
+	    const frac *psrc;
+	    gx_device_color devc;
+	    int code;
+
+	    declare_line_accum(penum->line, bpp, xo);
+
+	    w.limit = penum->line + width * c *
+		sizeof(gx_color_index) - 1;
+	    w.ptr = w.limit - width * c *
+		(sizeof(gx_color_index) - pss->sizeofPixelOut);
+	    psrc = (const frac *)(w.ptr + 1);
+	    code = (*s_IScale_template.process)
+		((stream_state *) pss, &r, &w, h == 0);
+	    if (code < 0 && code != EOFC)
+		return_error(gs_error_ioerror);
+	    if (w.ptr == w.limit) {
+		for (x = xo; x < xo + width; x++, psrc += c) {
+		    (*pconcs->type->remap_concrete_color)
+			(psrc, &devc, pis, dev,
+			 gs_color_select_source);
+		    if (color_is_pure(&devc)) {
+			/* Just pack colors into a scan line. */
+			gx_color_index color = devc.colors.pure;
+
+			line_accum(color, bpp);
+		    } else {
+			int rcode;
+
+			line_accum_copy(dev, penum->line, bpp,
+					xo, x, raster, ry);
+			rcode = gx_fill_rectangle_device_rop(x, ry,
+						     1, 1, &devc, dev, lop);
+			if (rcode < 0)
+			    return rcode;
+			line_accum_skip(bpp);
+			l_xprev = x + 1;
+		    }
+		}
+		line_accum_copy(dev, penum->line, bpp,
+				xo, x, raster, ry);
+		penum->line_xy++;
+	    }
+	    if ((code == 0 && r.ptr == r.limit) || code == EOFC)
+		break;
+	}
+    }
+
+    return (h == 0 ? 0 : 1);
+}
diff --git a/pstoraster/gxistate.h b/pstoraster/gxistate.h
new file mode 100644
index 000000000..4575e2125
--- /dev/null
+++ b/pstoraster/gxistate.h
@@ -0,0 +1,251 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Imager state definition */
+
+#ifndef gxistate_INCLUDED
+#  define gxistate_INCLUDED
+
+#include "gscsel.h"
+#include "gsrefct.h"
+#include "gsropt.h"
+#include "gxcvalue.h"
+#include "gxfixed.h"
+#include "gxline.h"
+#include "gxmatrix.h"
+#include "gxtmap.h"
+
+/*
+ * Define the subset of the PostScript graphics state that the imager
+ * library API needs.  The definition of this subset is subject to change
+ * as we come to understand better the boundary between the imager and
+ * the interpreter.  In particular, the imager state currently INCLUDES
+ * the following:
+ *      line parameters: cap, join, miter limit, dash pattern
+ *      transformation matrix (CTM)
+ *      logical operation: RasterOp, transparency
+ *      color modification: alpha, rendering algorithm
+ *      overprint flag
+ *      rendering tweaks: flatness, fill adjustment, stroke adjust flag,
+ *        accurate curves flag, shading smoothness
+ *      color rendering information:
+ *          halftone, halftone phases
+ *          transfer functions
+ *          black generation, undercolor removal
+ *          CIE rendering tables
+ *          halftone and pattern caches
+ * The imager state currently EXCLUDES the following:
+ *      graphics state stack
+ *      default CTM
+ *      path
+ *      clipping path
+ *      color specification: color, color space
+ *      font
+ *      device
+ *      caches for many of the above
+ */
+
+/*
+ * Define the color rendering state information.
+ * This should be a separate object (or at least a substructure),
+ * but doing this would require editing too much code.
+ */
+
+/* Opaque types referenced by the color rendering state. */
+#ifndef gs_halftone_DEFINED
+#  define gs_halftone_DEFINED
+typedef struct gs_halftone_s gs_halftone;
+
+#endif
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+#ifndef gx_device_halftone_DEFINED
+#  define gx_device_halftone_DEFINED
+typedef struct gx_device_halftone_s gx_device_halftone;
+
+#endif
+
+/*
+ * We need some special memory management for the components of a
+ * c.r. state, as indicated by the following notations on the elements:
+ *      (RC) means the element is reference-counted.
+ *      (Shared) means the element is shared among an arbitrary number of
+ *        c.r. states and is never freed.
+ *      (Owned) means exactly one c.r. state references the element,
+ *        and it is guaranteed that no references to it will outlive
+ *        the c.r. state itself.
+ */
+
+/* Define the interior structure of a transfer function. */
+typedef struct gx_transfer_colored_s {
+    /* The components must be in this order: */
+    gx_transfer_map *red;	/* (RC) */
+    gx_transfer_map *green;	/* (RC) */
+    gx_transfer_map *blue;	/* (RC) */
+    gx_transfer_map *gray;	/* (RC) */
+} gx_transfer_colored;
+typedef union gx_transfer_s {
+    gx_transfer_map *indexed[4];	/* (RC) */
+    gx_transfer_colored colored;
+} gx_transfer;
+
+#define gs_color_rendering_state_common\
+\
+		/* Halftone screen: */\
+\
+	gs_halftone *halftone;			/* (RC) */\
+	gs_int_point screen_phase[gs_color_select_count];\
+		/* dev_ht depends on halftone and device resolution. */\
+	gx_device_halftone *dev_ht;		/* (Owned) */\
+		/* The contents of ht_cache depend on dev_ht. */\
+	struct gx_ht_cache_s *ht_cache;		/* (Shared) by all gstates */\
+\
+		/* Color (device-dependent): */\
+\
+	struct gs_cie_render_s *cie_render;	/* (RC) may be 0 */\
+	gx_transfer_map *black_generation;	/* (RC) may be 0 */\
+	gx_transfer_map *undercolor_removal;	/* (RC) may be 0 */\
+		/* set_transfer holds the transfer functions specified by */\
+		/* set[color]transfer; effective_transfer includes the */\
+		/* effects of overrides by TransferFunctions in halftone */\
+		/* dictionaries.  (In Level 1 systems, set_transfer and */\
+		/* effective_transfer are always the same.) */\
+	gx_transfer set_transfer;		/* members are (RC) */\
+	gx_transfer effective_transfer;		/* see below */\
+\
+		/* Color caches: */\
+\
+		/* cie_joint_caches depend on cie_render and */\
+		/* the color space. */\
+	struct gx_cie_joint_caches_s *cie_joint_caches;		/* (RC) */\
+		/* cmap_procs depend on the device's color_info. */\
+	const struct gx_color_map_procs_s *cmap_procs;		/* static */\
+		/* The contents of pattern_cache depend on the */\
+		/* the color space and the device's color_info and */\
+		/* resolution. */\
+	struct gx_pattern_cache_s *pattern_cache	/* (Shared) by all gstates */
+
+/*
+ * Enumerate the reference-counted pointers in a c.r. state.  Note that
+ * effective_transfer doesn't contribute to the reference count: it points
+ * either to the same objects as set_transfer, or to objects in a halftone
+ * structure that someone else worries about.
+ */
+#define gs_cr_state_do_rc_ptrs(m)\
+  m(halftone) m(cie_render) m(black_generation) m(undercolor_removal)\
+  m(set_transfer.colored.red) m(set_transfer.colored.green)\
+  m(set_transfer.colored.blue) m(set_transfer.colored.gray)\
+  m(cie_joint_caches)
+
+/* Enumerate the pointers in a c.r. state. */
+#define gs_cr_state_do_ptrs(m)\
+  m(0,halftone) m(1,dev_ht) m(2,ht_cache)\
+  m(3,cie_render) m(4,black_generation) m(5,undercolor_removal)\
+  m(6,set_transfer.colored.red) m(7,set_transfer.colored.green)\
+  m(8,set_transfer.colored.blue) m(9,set_transfer.colored.gray)\
+  m(10,effective_transfer.colored.red) m(11,effective_transfer.colored.green)\
+  m(12,effective_transfer.colored.blue) m(13,effective_transfer.colored.gray)\
+  m(14,cie_joint_caches) m(15,pattern_cache)
+#define st_cr_state_num_ptrs 16
+
+/*
+ * Define constant values that can be allocated once and shared among
+ * all imager states in an address space.
+ */
+#ifndef gs_color_space_DEFINED
+#  define gs_color_space_DEFINED
+typedef struct gs_color_space_s gs_color_space;
+
+#endif
+typedef struct gs_imager_state_shared_s {
+    rc_header rc;
+    gs_color_space *cs_DeviceGray;
+    gs_color_space *cs_DeviceRGB;
+    gs_color_space *cs_DeviceCMYK;
+} gs_imager_state_shared_t;
+
+#define private_st_imager_state_shared()	/* in gsstate.c */\
+  gs_private_st_ptrs3(st_imager_state_shared, gs_imager_state_shared_t,\
+    "gs_imager_state_shared", imager_state_shared_enum_ptrs,\
+    imager_state_shared_reloc_ptrs, cs_DeviceGray, cs_DeviceRGB, cs_DeviceCMYK)
+
+/* Define the imager state structure itself. */
+#define gs_imager_state_common\
+	gs_memory_t *memory;\
+	gs_imager_state_shared_t *shared;\
+	gx_line_params line_params;\
+	gs_matrix_fixed ctm;\
+	gs_logical_operation_t log_op;\
+	gx_color_value alpha;\
+	bool overprint;\
+	float flatness;\
+	gs_fixed_point fill_adjust;	/* fattening for fill */\
+	bool stroke_adjust;\
+	bool accurate_curves;\
+	float smoothness;\
+	gs_color_rendering_state_common
+#define gs_imager_state_shared(pis, elt) ((pis)->shared->elt)
+#define st_imager_state_num_ptrs\
+  (st_line_params_num_ptrs + st_cr_state_num_ptrs + 1)
+/* Access macros */
+#define ctm_only(pis) (*(const gs_matrix *)&(pis)->ctm)
+#define ctm_only_writable(pis) (*(gs_matrix *)&(pis)->ctm)
+#define set_ctm_only(pis, mat) (*(gs_matrix *)&(pis)->ctm = (mat))
+#define gs_init_rop(pis) ((pis)->log_op = lop_default)
+#define gs_currentlineparams_inline(pis) (&(pis)->line_params)
+
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+
+struct gs_imager_state_s {
+    gs_imager_state_common;
+};
+
+/* Initialization for gs_imager_state */
+#define gs_imager_state_initial(scale)\
+  0, 0, { gx_line_params_initial },\
+   { scale, 0.0, 0.0, -(scale), 0.0, 0.0 },\
+  lop_default, gx_max_color_value, 0/*false*/, 1.0,\
+   { fixed_half, fixed_half }, 0/*false*/, 0/*false*/, 1.0
+
+#define private_st_imager_state()	/* in gsstate.c */\
+  gs_private_st_composite(st_imager_state, gs_imager_state, "gs_imager_state",\
+    imager_state_enum_ptrs, imager_state_reloc_ptrs)
+
+/* Initialize an imager state, other than the parts covered by */
+/* gs_imager_state_initial. */
+/* The halftone, dev_ht, and ht_cache elements are not set or used. */
+int gs_imager_state_initialize(P2(gs_imager_state * pis, gs_memory_t * mem));
+
+/* Release an imager state. */
+void gs_imager_state_release(P1(gs_imager_state * pis));
+
+#endif /* gxistate_INCLUDED */
diff --git a/pstoraster/gxline.h b/pstoraster/gxline.h
new file mode 100644
index 000000000..138fc8967
--- /dev/null
+++ b/pstoraster/gxline.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Private line parameter definitions */
+
+#ifndef gxline_INCLUDED
+#  define gxline_INCLUDED
+
+#include "gslparam.h"
+
+/* Line parameter structures */
+/* gx_dash_params are never instantiated by themselves. */
+typedef struct gx_dash_params_s {
+    float *pattern;
+    uint pattern_size;
+    float offset;
+    bool adapt;
+    /* The rest of the parameters are computed from the above */
+    float pattern_length;	/* total of all pattern elements */
+    bool init_ink_on;		/* true if ink is initially on */
+    int init_index;		/* initial index in pattern */
+    float init_dist_left;
+} gx_dash_params;
+
+#define gx_dash_params_initial\
+  NULL, 0, 0.0, 0/*false*/, 0.0, 1/*true*/, 0, 0.0
+typedef struct gx_line_params_s {
+    float half_width;		/* one-half line width */
+    gs_line_cap cap;
+    gs_line_join join;
+    float miter_limit;
+    float miter_check;		/* computed from miter limit, */
+    /* see gx_set_miter_limit and */
+    /* gs_stroke */
+    float dot_length;
+    bool dot_length_absolute;	/* if true, dot_length is 1/72" units */
+    gx_dash_params dash;
+} gx_line_params;
+
+#define gx_set_line_width(plp, wid)\
+  ((plp)->half_width = (wid) / 2)
+#define gx_current_line_width(plp)\
+  ((plp)->half_width * 2)
+int gx_set_miter_limit(P2(gx_line_params *, floatp));
+
+#define gx_current_miter_limit(plp)\
+  ((plp)->miter_limit)
+int gx_set_dash(P5(gx_dash_params *, const float *, uint, floatp,
+		   gs_memory_t *));
+
+#define gx_set_dash_adapt(pdp, adpt) ((pdp)->adapt = (adpt))
+int gx_set_dot_length(P3(gx_line_params *, floatp, bool));
+
+/* See gsline.c for the computation of miter_check. */
+#define gx_line_params_initial\
+  0.0, gs_cap_butt, gs_join_miter, 10.0, 0.20305866, 0.0, 0/*false*/,\
+  { gx_dash_params_initial }
+
+#endif /* gxline_INCLUDED */
diff --git a/pstoraster/gxlum.h b/pstoraster/gxlum.h
new file mode 100644
index 000000000..e4f1cbc59
--- /dev/null
+++ b/pstoraster/gxlum.h
@@ -0,0 +1,50 @@
+/*
+  Copyright 1993-1999 by Easy Software Products.
+  Copyright (C) 1992 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Luminance computation parameters for Ghostscript */
+
+#ifndef gxlum_INCLUDED
+#  define gxlum_INCLUDED
+
+/*
+ * Color weights used for computing luminance.
+ *
+ * The original ones used here were for NTSC video displays.  Of course,
+ * if you want to print instead of display things are different...
+ */
+#ifdef NTSC_LUM
+#  define lum_red_weight	30
+#  define lum_green_weight	59
+#  define lum_blue_weight	11
+#else
+#  define lum_red_weight	31
+#  define lum_green_weight	61
+#  define lum_blue_weight	8
+#endif /* NTSC_LUN */
+#define lum_all_weights	(lum_red_weight + lum_green_weight + lum_blue_weight)
+
+#endif /* gxlum_INCLUDED */
diff --git a/pstoraster/gxmatrix.h b/pstoraster/gxmatrix.h
new file mode 100644
index 000000000..01b9df532
--- /dev/null
+++ b/pstoraster/gxmatrix.h
@@ -0,0 +1,83 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal matrix routines for Ghostscript library */
+
+#ifndef gxmatrix_INCLUDED
+#  define gxmatrix_INCLUDED
+
+#include "gsmatrix.h"
+
+/*
+ * Define a matrix with a cached fixed-point copy of the translation.
+ * This is only used by a few routines in gscoord.c; they are responsible
+ * for ensuring the validity of the cache.  Note that the floating point
+ * tx/ty values may be too large to fit in a fixed values; txy_fixed_valid
+ * is false if this is the case, and true otherwise.
+ */
+typedef struct gs_matrix_fixed_s {
+    _matrix_body;
+    fixed tx_fixed, ty_fixed;
+    bool txy_fixed_valid;
+} gs_matrix_fixed;
+
+/* Coordinate transformations to fixed point. */
+int gs_point_transform2fixed(P4(const gs_matrix_fixed *, floatp, floatp,
+				gs_fixed_point *));
+int gs_distance_transform2fixed(P4(const gs_matrix_fixed *, floatp, floatp,
+				   gs_fixed_point *));
+
+/*
+ * Define the fixed-point coefficient structure for avoiding
+ * floating point in coordinate transformations.
+ * Currently this is used only by the Type 1 font interpreter.
+ * The setup is in gscoord.c.
+ */
+typedef struct {
+    long l;
+    fixed f;
+} coeff1;
+typedef struct {
+    coeff1 xx, xy, yx, yy;
+    int skewed;
+    int shift;			/* see m_fixed */
+    int max_bits;		/* max bits of coefficient */
+    fixed round;		/* ditto */
+} fixed_coeff;
+
+/*
+ * Multiply a fixed whose integer part usually does not exceed max_bits
+ * in magnitude by a coefficient from a fixed_coeff.
+ * We can use a faster algorithm if the fixed is an integer within
+ * a range that doesn't cause the multiplication to overflow an int.
+ */
+#define m_fixed(v, c, fc, maxb)\
+  (((v) + (fixed_1 << (maxb - 1))) &\
+    ((-fixed_1 << maxb) | _fixed_fraction_v) ?	/* out of range, or has fraction */\
+   (fixed2int_var(v) * (fc).c.f +\
+    arith_rshift(fixed_fraction(v) * (fc).c.f + fixed_half, _fixed_shift)) :\
+   arith_rshift(fixed2int_var(v) * (fc).c.l + (fc).round, (fc).shift))
+
+#endif /* gxmatrix_INCLUDED */
diff --git a/pstoraster/gxmclip.c b/pstoraster/gxmclip.c
new file mode 100644
index 000000000..a2694318c
--- /dev/null
+++ b/pstoraster/gxmclip.c
@@ -0,0 +1,116 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Mask clipping support */
+#include "gx.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxmclip.h"
+
+/* Structure descriptor */
+public_st_device_mask_clip();
+
+/* GC procedures */
+#define mcdev ((gx_device_mask_clip *)vptr)
+
+private ENUM_PTRS_BEGIN(device_mask_clip_enum_ptrs)
+{
+    if (index < st_gx_strip_bitmap_max_ptrs) {
+	return ENUM_USING(st_gx_strip_bitmap, &mcdev->tiles,
+			  sizeof(mcdev->tiles), index);
+    }
+    index -= st_gx_strip_bitmap_max_ptrs;
+    if (index < st_device_memory_max_ptrs) {
+	return ENUM_USING(st_device_memory, &mcdev->mdev,
+			  sizeof(mcdev->mdev), index);
+    }
+    ENUM_PREFIX(st_device_forward, st_device_memory_max_ptrs);
+}
+ENUM_PTRS_END
+
+private RELOC_PTRS_BEGIN(device_mask_clip_reloc_ptrs)
+{
+    RELOC_PREFIX(st_device_forward);
+    RELOC_USING(st_gx_strip_bitmap, &mcdev->tiles, sizeof(mcdev->tiles));
+    RELOC_USING(st_device_memory, &mcdev->mdev, sizeof(mcdev->mdev));
+    if (mcdev->mdev.base != 0) {
+	/*
+	 * Update the line pointers specially, since they point into the
+	 * buffer that is part of the mask clipping device itself.
+	 */
+	long diff = (char *)RELOC_OBJ(mcdev) - (char *)mcdev;
+	int i;
+
+	for (i = 0; i < mcdev->mdev.height; ++i)
+	    mcdev->mdev.line_ptrs[i] += diff;
+	mcdev->mdev.base = mcdev->mdev.line_ptrs[0];
+	mcdev->mdev.line_ptrs =
+	    (void *)((char *)(mcdev->mdev.line_ptrs) + diff);
+    }
+}
+RELOC_PTRS_END
+
+#undef mcdev
+
+/* Initialize a mask clipping device. */
+int
+gx_mask_clip_initialize(gx_device_mask_clip * cdev,
+			const gx_device_mask_clip * proto,
+			const gx_bitmap * bits, gx_device * tdev,
+			int tx, int ty)
+{
+    int buffer_width = bits->size.x;
+    int buffer_height =
+	tile_clip_buffer_size / (bits->raster + sizeof(byte *));
+
+    gx_device_init((gx_device *)cdev, (const gx_device *)proto,
+		   NULL, true);
+    cdev->width = tdev->width;
+    cdev->height = tdev->height;
+    cdev->color_info = tdev->color_info;
+    cdev->target = tdev;
+    cdev->phase.x = -tx;
+    cdev->phase.y = -ty;
+    if (buffer_height > bits->size.y)
+	buffer_height = bits->size.y;
+    gs_make_mem_mono_device(&cdev->mdev, 0, 0);
+    for (;;) {
+	if (buffer_height <= 0) {
+	    /*
+	     * The tile is too wide to buffer even one scan line.
+	     * We could do copy_mono in chunks, but for now, we punt.
+	     */
+	    cdev->mdev.base = 0;
+	    return 0;
+	}
+	cdev->mdev.width = buffer_width;
+	cdev->mdev.height = buffer_height;
+	if (gdev_mem_bitmap_size(&cdev->mdev) <= tile_clip_buffer_size)
+	    break;
+	buffer_height--;
+    }
+    cdev->mdev.base = cdev->buffer.bytes;
+    return (*dev_proc(&cdev->mdev, open_device))((gx_device *)&cdev->mdev);
+}
diff --git a/pstoraster/gxmclip.h b/pstoraster/gxmclip.h
new file mode 100644
index 000000000..b56a0195b
--- /dev/null
+++ b/pstoraster/gxmclip.h
@@ -0,0 +1,111 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Mask clipping device and interface */
+/* Requires gxdevice.h, gxdevmem.h */
+
+#ifndef gxmclip_INCLUDED
+#  define gxmclip_INCLUDED
+
+#include "gxclip.h"
+
+/*
+ * ImageType 3 images and Patterns that don't completely fill their
+ * bounding box require the ability to clip against a mask.
+ * The interface declared here doesn't take a position on whether
+ * the mask will be used only in one position (ImageType 3) or in
+ * multiple positions for tiling (Patterns).
+ *
+ * All the information in this file is logically private, but we must expose
+ * the structure definition so that clients can allocate instances in the
+ * stack frame.
+ */
+
+#define tile_clip_buffer_request 300
+#define tile_clip_buffer_size\
+  ((tile_clip_buffer_request / arch_sizeof_long) * arch_sizeof_long)
+typedef struct gx_device_mask_clip_s {
+    gx_device_forward_common;	/* target is set by client */
+    gx_strip_bitmap tiles;
+    gx_device_memory mdev;	/* for tile buffer for copy_mono */
+    gs_int_point phase;		/* device space origin relative */
+				/* to tile (backwards from gstate phase) */
+    /* Ensure that the buffer is long-aligned. */
+    union _b {
+	byte bytes[tile_clip_buffer_size];
+	ulong longs[tile_clip_buffer_size / arch_sizeof_long];
+    } buffer;
+} gx_device_mask_clip;
+
+extern_st(st_device_mask_clip);
+#define public_st_device_mask_clip()	/* in gxmclip.c */\
+  gs_public_st_composite(st_device_mask_clip, gx_device_mask_clip,\
+    "gx_device_mask_clip", device_mask_clip_enum_ptrs,\
+    device_mask_clip_reloc_ptrs)
+
+/*
+ * Internal routine to initialize a mask clipping device.
+ * We supply an explicit device space origin or phase.
+ * Note that this procedure does not set cdev->tiles.
+ */
+int gx_mask_clip_initialize(P6(gx_device_mask_clip * cdev,
+			       const gx_device_mask_clip * proto,
+			       const gx_bitmap * bits, gx_device * tdev,
+			       int tx, int ty));
+
+/*
+ * Prepare colors for a copy_mono operation.
+ * The arguments of copy_mono are free variables:
+ *   dev, data, sourcex, raster, id, x, y, w, y, color0, color1.
+ */
+#define setup_mask_copy_mono(cdev, color, mcolor0, mcolor1)\
+	BEGIN\
+	  if ( cdev->mdev.base == 0 ) {\
+	    /*\
+	     * The tile was too large for us to buffer even one scan line.\
+	     * Punt to the very, very slow default implementation of\
+	     * copy_mono.\
+	     */\
+	    return gx_default_copy_mono(dev, data, sourcex, raster, id,\
+					x, y, w, h, color0, color1);\
+	  }\
+	  if ( color1 != gx_no_color_index ) {\
+	    if ( color0 != gx_no_color_index ) {\
+	      /* Pre-fill with color0. */\
+	      code =\
+		(*dev_proc(dev, fill_rectangle))(dev, x, y, w, h, color0);\
+	      if ( code < 0 )\
+		return code;\
+	    }\
+	    color = color1;\
+	    mcolor0 = 0, mcolor1 = gx_no_color_index;\
+	  } else if ( color0 != gx_no_color_index ) {\
+	    color = color0;\
+	    mcolor0 = gx_no_color_index, mcolor1 = 0;\
+	  } else\
+	    return 0;\
+	END
+
+#endif /* gxmclip_INCLUDED */
diff --git a/pstoraster/gxobj.h b/pstoraster/gxobj.h
new file mode 100644
index 000000000..8d395a713
--- /dev/null
+++ b/pstoraster/gxobj.h
@@ -0,0 +1,230 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Memory manager implementation structures for Ghostscript */
+
+#ifndef gxobj_INCLUDED
+#  define gxobj_INCLUDED
+
+#include "gxbitmap.h"
+
+/* ================ Objects ================ */
+
+/*
+ * Object headers come in a number of different varieties.
+ * All arise from the same basic form, which is
+ -l- -lmsize/mark/back-
+ -size-
+ -type/reloc-
+ * l (large) is a single bit.  The size of lmsize/mark/back, size, and type
+ * varies according to the environment.  On machines with N:16 segmented
+ * addressing, 16-bit ints, and no alignment requirement more severe than
+ * 2 bytes, we can fit an object header into 8 bytes by making the first
+ * two fields only 16 bits wide.  On all other machines, we let the
+ * lmsize/mark/back field be 1 bit shorter than a uint, and round the header
+ * size up to the next multiple of the most severe alignment restriction
+ * (4 or 8 bytes).  Miraculously, we can do all this without any case testing.
+ *
+ * The mark/back field is used for the mark during the marking phase of
+ * garbage collection, and for a back pointer value during the compaction
+ * phase.  Since we want to be able to collect local VM independently of
+ * global VM, we need two different distinguished mark values:
+ *      - For local objects that have not been traced and should be freed
+ *      (compacted out), we use 1...11 in the mark field (o_unmarked).
+ *      - For global objects that have not been traced but should be kept,
+ *      we use 1...10 in the mark field (o_untraced).
+ * Note that neither of these values is a possible real relocation value.
+ *
+ * The lmsize field of large objects overlaps mark and back, so we must
+ * handle these functions for large objects in some other way.
+ * Since large objects cannot be moved or relocated, we don't need the
+ * back field for them; we allocate 2 bits for the 3 mark values.
+ */
+/*
+ * The back pointer's meaning depends on whether the object is
+ * free (unmarked) or in use (marked):
+ *      - In free objects, the back pointer is an offset from the object
+ * header back to a chunk_head_t structure that contains the location
+ * to which all the data in this chunk will get moved; the reloc field
+ * contains the amount by which the following run of useful objects
+ * will be relocated downwards.
+ *      - In useful objects, the back pointer is an offset from the object
+ * back to the previous free object; the reloc field is not used (it
+ * overlays the type field).
+ * These two cases can be distinguished when scanning a chunk linearly,
+ * but when simply examining an object via a pointer, the chunk pointer
+ * is also needed.
+ */
+#define obj_flag_bits 1
+#define obj_mb_bits (arch_sizeof_int * 8 - obj_flag_bits)
+#define obj_ls_bits (obj_mb_bits - 2)
+#define o_unmarked (((uint)1 << obj_mb_bits) - 1)
+#define o_l_unmarked (o_unmarked & 3)
+#define o_set_unmarked_large(pp) (pp)->o_lmark = o_l_unmarked
+#define o_set_unmarked(pp)\
+  if ( (pp)->o_large ) o_set_unmarked_large(pp);\
+  else (pp)->o_smark = o_unmarked
+#define o_is_unmarked_large(pp) ((pp)->o_lmark == o_l_unmarked)
+#define o_is_unmarked(pp)\
+ ((pp)->o_large ? o_is_unmarked_large(pp) :\
+  ((pp)->o_smark == o_unmarked))
+#define o_untraced (((uint)1 << obj_mb_bits) - 2)
+#define o_l_untraced (o_untraced & 3)
+#define o_set_untraced(pp)\
+  if ( (pp)->o_large ) (pp)->o_lmark = o_l_untraced;\
+  else (pp)->o_smark = o_untraced
+#define o_is_untraced(pp)\
+ ((pp)->o_large ? (pp)->o_lmark == o_l_untraced :\
+  ((pp)->o_smark == o_untraced))
+#define o_marked 0
+#define o_mark_large(pp) (pp)->o_lmark = o_marked
+#define o_mark(pp)\
+  if ( (pp)->o_large ) o_mark_large(pp);\
+  else (pp)->o_smark = o_marked
+#define obj_back_shift obj_flag_bits
+#define obj_back_scale (1 << obj_back_shift)
+typedef struct obj_header_data_s {
+    union _f {
+	struct _h {
+	    unsigned large:1;
+	} h;
+	struct _l {
+	    unsigned _:1, lmark:2, lsize:obj_ls_bits;
+	} l;
+	struct _m {
+	    unsigned _:1, smark:obj_mb_bits;
+	} m;
+	struct _b {
+	    unsigned _:1, back:obj_mb_bits;
+	} b;
+    } f;
+    uint size;
+    union _t {
+	gs_memory_type_ptr_t type;
+	uint reloc;
+    } t;
+} obj_header_data_t;
+
+/*
+ * Define the alignment modulus for aligned objects.  We assume all
+ * alignment values are powers of 2; we can avoid nested 'max'es that way.
+ * The final | is because back pointer values are divided by obj_back_scale,
+ * so objects must be aligned at least 0 mod obj_back_scale.
+ */
+#define obj_align_mod\
+  (((arch_align_long_mod - 1) | (arch_align_ptr_mod - 1) |\
+    (arch_align_double_mod - 1) | (align_bitmap_mod - 1) |\
+    (obj_back_scale - 1)) + 1)
+/* The only possible values for obj_align_mod are 4, 8, or 16.... */
+#if obj_align_mod == 4
+#  define log2_obj_align_mod 2
+#else
+#if obj_align_mod == 8
+#  define log2_obj_align_mod 3
+#else
+#if obj_align_mod == 16
+#  define log2_obj_align_mod 4
+#endif
+#endif
+#endif
+#define obj_align_mask (obj_align_mod-1)
+#define obj_align_round(siz)\
+  (uint)(((siz) + obj_align_mask) & -obj_align_mod)
+#define obj_size_round(siz)\
+  obj_align_round((siz) + sizeof(obj_header_t))
+
+/* Define the real object header type, taking alignment into account. */
+struct obj_header_s {		/* must be a struct because of forward reference */
+    union _d {
+	obj_header_data_t o;
+	byte _pad[round_up(sizeof(obj_header_data_t), obj_align_mod)];
+    }
+    d;
+};
+
+/* Define some reasonable abbreviations for the fields. */
+#define o_large d.o.f.h.large
+#define o_lsize d.o.f.l.lsize
+#define o_lmark d.o.f.l.lmark
+#define o_back d.o.f.b.back
+#define o_smark d.o.f.m.smark
+#define o_size d.o.size
+#define o_type d.o.t.type
+#define o_nreloc d.o.t.reloc
+
+/*
+ * The macros for getting the sizes of objects all take pointers to
+ * the object header, for use when scanning storage linearly.
+ */
+#define pre_obj_small_size(pp)\
+  ((pp)->o_size)
+
+#if arch_sizeof_long > arch_sizeof_int
+
+	/* Large objects need to use o_lsize. */
+
+#define pre_obj_large_size(pp)\
+  (((ulong)(pp)->o_lsize << (arch_sizeof_int * 8)) + (pp)->o_size)
+#define pre_obj_set_large_size(pp, lsize)\
+  ((pp)->o_lsize = (lsize) >> (arch_sizeof_int * 8),\
+   (pp)->o_size = (uint)(lsize))
+#define pre_obj_contents_size(pp)\
+  ((pp)->o_large ? pre_obj_large_size(pp) : pre_obj_small_size(pp))
+
+#else
+
+	/* Large objects don't need to use o_lsize. */
+
+#define pre_obj_large_size(pp)\
+  pre_obj_small_size(pp)
+#define pre_obj_set_large_size(pp, lsize)\
+  ((pp)->o_lsize = 0,\
+   (pp)->o_size = (lsize))
+#define pre_obj_contents_size(pp)\
+  pre_obj_small_size(pp)
+
+#endif
+
+#define pre_obj_rounded_size(pp)\
+  obj_size_round(pre_obj_contents_size(pp))
+#define pre_obj_next(pp)\
+  ((obj_header_t *)((byte *)(pp) + obj_align_round(\
+    pre_obj_contents_size(pp) + sizeof(obj_header_t) )))
+
+/*
+ * Define the header that free objects point back to when relocating.
+ * Every chunk, including inner chunks, has one of these.
+ */
+typedef struct chunk_head_s {
+    byte *dest;			/* destination for objects */
+#if obj_align_mod > arch_sizeof_ptr
+    byte *_pad[obj_align_mod / arch_sizeof_ptr - 1];
+#endif
+    obj_header_t free;		/* header for a free object, */
+    /* in case the first real object */
+    /* is in use */
+} chunk_head_t;
+
+#endif /* gxobj_INCLUDED */
diff --git a/pstoraster/gxop1.h b/pstoraster/gxop1.h
new file mode 100644
index 000000000..82b1cc96b
--- /dev/null
+++ b/pstoraster/gxop1.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1991, 1992, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 1 state shared between interpreter and compiled fonts. */
+
+#ifndef gxop1_INCLUDED
+#  define gxop1_INCLUDED
+
+/*
+ * The current point (px,py) in the Type 1 interpreter state is not
+ * necessarily the same as the current position in the path being built up.
+ * Specifically, (px,py) may not reflect adjustments for hinting,
+ * whereas the current path position does reflect those adjustments.
+ */
+
+/* Define the shared Type 1 interpreter state. */
+#define max_coeff_bits 11	/* max coefficient in char space */
+typedef struct gs_op1_state_s {
+    struct gx_path_s *ppath;
+    struct gs_type1_state_s *pcis;
+    fixed_coeff fc;
+    gs_fixed_point co;		/* character origin (device space) */
+    gs_fixed_point p;		/* current point (device space) */
+} gs_op1_state;
+typedef gs_op1_state *is_ptr;
+
+/* Define the state used by operator procedures. */
+/* These macros refer to a current instance (s) of gs_op1_state. */
+#define sppath s.ppath
+#define sfc s.fc
+#define spt s.p
+#define ptx s.p.x
+#define pty s.p.y
+
+/* Accumulate relative coordinates */
+/****** THESE ARE NOT ACCURATE FOR NON-INTEGER DELTAS. ******/
+/* This probably doesn't make any difference in practice. */
+#define c_fixed(d, c) m_fixed(d, c, sfc, max_coeff_bits)
+#define accum_x(dx)\
+  BEGIN\
+    ptx += c_fixed(dx, xx);\
+    if ( sfc.skewed ) pty += c_fixed(dx, xy);\
+  END
+#define accum_y(dy)\
+  BEGIN\
+    pty += c_fixed(dy, yy);\
+    if ( sfc.skewed ) ptx += c_fixed(dy, yx);\
+  END
+void accum_xy_proc(P3(is_ptr ps, fixed dx, fixed dy));
+
+#define accum_xy(dx,dy)\
+  accum_xy_proc(&s, dx, dy)
+
+/* Define operator procedures. */
+int gs_op1_closepath(P1(is_ptr ps));
+int gs_op1_rrcurveto(P7(is_ptr ps, fixed dx1, fixed dy1,
+			fixed dx2, fixed dy2, fixed dx3, fixed dy3));
+
+#endif /* gxop1_INCLUDED */
diff --git a/pstoraster/gxp1fill.c b/pstoraster/gxp1fill.c
new file mode 100644
index 000000000..5c3fe1ca3
--- /dev/null
+++ b/pstoraster/gxp1fill.c
@@ -0,0 +1,374 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PatternType 1 filling algorithms */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrop.h"
+#include "gsmatrix.h"
+#include "gxcspace.h"		/* for gscolor2.h */
+#include "gxcolor2.h"
+#include "gxdcolor.h"
+#include "gxdevcli.h"
+#include "gxdevmem.h"
+#include "gxclip2.h"
+#include "gxpcolor.h"
+#include "gxp1fill.h"
+
+/* Define the state for tile filling. */
+typedef struct tile_fill_state_s {
+
+    /* Original arguments */
+
+    const gx_device_color *pdevc;	/* pattern color */
+    int x0, y0, w0, h0;
+    gs_logical_operation_t lop;
+    const gx_rop_source_t *source;
+
+    /* Variables set at initialization */
+
+    gx_device_tile_clip cdev;
+    gx_device *pcdev;		/* original device or &cdev */
+    const gx_strip_bitmap *tmask;
+
+    /* Following are only for uncolored patterns */
+
+                    dev_color_proc_fill_rectangle((*fill_rectangle));
+
+    /* Following are only for colored patterns */
+
+    const gx_rop_source_t *rop_source;
+    gx_device *orig_dev;
+    int xoff, yoff;		/* set dynamically */
+
+} tile_fill_state_t;
+
+/* Initialize the filling state. */
+private int
+tile_fill_init(tile_fill_state_t * ptfs, const gx_device_color * pdevc,
+	       gx_device * dev)
+{
+    gx_color_tile *m_tile = pdevc->mask.m_tile;
+
+    ptfs->pdevc = pdevc;
+    if (m_tile == 0) {		/* no clipping */
+	ptfs->pcdev = dev;
+	return 0;
+    }
+    ptfs->pcdev = (gx_device *) & ptfs->cdev;
+    ptfs->tmask = &m_tile->tmask;
+    return tile_clip_initialize(&ptfs->cdev, ptfs->tmask, dev, 0, 0);
+}
+
+/*
+ * Fill with non-standard X and Y stepping.
+ * ptile is pdevc->colors.pattern.{m,p}_tile.
+ * tbits_or_tmask is whichever of tbits and tmask is supplying
+ * the tile size.
+ * This implementation could be sped up considerably!
+ */
+private int
+tile_by_steps(tile_fill_state_t * ptfs, int x0, int y0, int w0, int h0,
+	      const gx_color_tile * ptile,
+	      const gx_strip_bitmap * tbits_or_tmask,
+	      int (*fill_proc) (P5(const tile_fill_state_t * ptfs,
+				   int x, int y, int w, int h)))
+{
+    int x1 = x0 + w0, y1 = y0 + h0;
+    int i0, i1, j0, j1, i, j;
+    gs_matrix step_matrix;	/* translated by phase */
+    int code;
+
+    ptfs->x0 = x0, ptfs->w0 = w0;
+    ptfs->y0 = y0, ptfs->h0 = h0;
+    step_matrix = ptile->step_matrix;
+    {
+	gs_rect bbox;		/* bounding box in device space */
+	gs_rect ibbox;		/* bounding box in stepping space */
+	double bbw = ptile->bbox.q.x - ptile->bbox.p.x;
+	double bbh = ptile->bbox.q.y - ptile->bbox.p.y;
+
+	bbox.p.x = x0, bbox.p.y = y0;
+	bbox.q.x = x1, bbox.q.y = y1;
+	gs_bbox_transform_inverse(&bbox, &step_matrix, &ibbox);
+	if_debug10('T',
+	  "[T]x,y=(%d,%d) w,h=(%d,%d) => (%g,%g),(%g,%g), offset=(%g,%g)\n",
+		   x0, y0, w0, h0,
+		   ibbox.p.x, ibbox.p.y, ibbox.q.x, ibbox.q.y,
+		   step_matrix.tx, step_matrix.ty);
+	i0 = (int)ceil(ibbox.p.x - bbw - 0.000001);
+	i1 = (int)floor(ibbox.q.x + 0.000001);
+	j0 = (int)ceil(ibbox.p.y - bbh - 0.000001);
+	j1 = (int)floor(ibbox.q.y + 0.000001);
+    }
+    if_debug4('T', "[T]i=(%d,%d) j=(%d,%d)\n", i0, i1, j0, j1);
+    for (i = i0; i <= i1; i++)
+	for (j = j0; j <= j1; j++) {
+	    int x = (int)(step_matrix.xx * i +
+			  step_matrix.yx * j + step_matrix.tx);
+	    int y = (int)(step_matrix.xy * i +
+			  step_matrix.yy * j + step_matrix.ty);
+	    int w = tbits_or_tmask->size.x;
+	    int h = tbits_or_tmask->size.y;
+	    int xoff, yoff;
+
+	    if_debug4('T', "[T]i=%d j=%d x,y=(%d,%d)", i, j, x, y);
+	    if (x < x0)
+		xoff = x0 - x, x = x0, w -= xoff;
+	    else
+		xoff = 0;
+	    if (y < y0)
+		yoff = y0 - y, y = y0, h -= yoff;
+	    else
+		yoff = 0;
+	    if (x + w > x1)
+		w = x1 - x;
+	    if (y + h > y1)
+		h = y1 - y;
+	    if_debug6('T', "=>(%d,%d) w,h=(%d,%d) x/yoff=(%d,%d)\n",
+		      x, y, w, h, xoff, yoff);
+	    if (w > 0 && h > 0) {
+		if (ptfs->pcdev == (gx_device *) & ptfs->cdev)
+		    tile_clip_set_phase(&ptfs->cdev,
+				imod(xoff - x, ptfs->tmask->rep_width),
+				imod(yoff - y, ptfs->tmask->rep_height));
+		/* Set the offsets for colored pattern fills */
+		ptfs->xoff = xoff;
+		ptfs->yoff = yoff;
+		code = (*fill_proc) (ptfs, x, y, w, h);
+		if (code < 0)
+		    return code;
+	    }
+	}
+    return 0;
+}
+
+/* Fill a rectangle with a colored Pattern. */
+/* Note that we treat this as "texture" for RasterOp. */
+private int
+tile_colored_fill(const tile_fill_state_t * ptfs,
+		  int x, int y, int w, int h)
+{
+    gx_color_tile *ptile = ptfs->pdevc->colors.pattern.p_tile;
+    gs_logical_operation_t lop = ptfs->lop;
+    const gx_rop_source_t *source = ptfs->source;
+    const gx_rop_source_t *rop_source = ptfs->rop_source;
+    gx_device *dev = ptfs->orig_dev;
+    int xoff = ptfs->xoff, yoff = ptfs->yoff;
+    gx_strip_bitmap *bits = &ptile->tbits;
+    const byte *data = bits->data;
+    bool full_transfer = (w == ptfs->w0 && h == ptfs->h0);
+    gx_bitmap_id source_id =
+    (full_transfer ? rop_source->id : gx_no_bitmap_id);
+    int code;
+
+    if (source == NULL && lop_no_S_is_T(lop))
+	code = (*dev_proc(ptfs->pcdev, copy_color))
+	    (ptfs->pcdev, data + bits->raster * yoff, xoff,
+	     bits->raster,
+	     (full_transfer ? bits->id : gx_no_bitmap_id),
+	     x, y, w, h);
+    else {
+	gx_strip_bitmap data_tile;
+
+	data_tile.data = (byte *) data;		/* actually const */
+	data_tile.raster = bits->raster;
+	data_tile.size.x = data_tile.rep_width = ptile->tbits.size.x;
+	data_tile.size.y = data_tile.rep_height = ptile->tbits.size.y;
+	data_tile.id = bits->id;
+	data_tile.shift = data_tile.rep_shift = 0;
+	code = (*dev_proc(dev, strip_copy_rop))
+	    (dev,
+	     rop_source->sdata + (y - ptfs->y0) * rop_source->sraster,
+	     rop_source->sourcex + (x - ptfs->x0),
+	     rop_source->sraster, source_id,
+	     (rop_source->use_scolors ? rop_source->scolors : NULL),
+	     &data_tile, NULL,
+	     x, y, w, h,
+	     imod(xoff - x, data_tile.rep_width),
+	     imod(yoff - y, data_tile.rep_height),
+	     lop);
+    }
+    return code;
+}
+int
+gx_dc_pattern_fill_rectangle(const gx_device_color * pdevc, int x, int y,
+			     int w, int h, gx_device * dev,
+			     gs_logical_operation_t lop,
+			     const gx_rop_source_t * source)
+{
+    gx_color_tile *ptile = pdevc->colors.pattern.p_tile;
+    const gx_rop_source_t *rop_source = source;
+    gx_rop_source_t no_source;
+    gx_strip_bitmap *bits;
+    tile_fill_state_t state;
+    int code;
+
+    if (ptile == 0)		/* null pattern */
+	return 0;
+    if (rop_source == NULL)
+	set_rop_no_source(rop_source, no_source, dev);
+    bits = &ptile->tbits;
+    code = tile_fill_init(&state, pdevc, dev);
+    if (code < 0)
+	return code;
+    if (ptile->is_simple) {
+	int px = imod(-(int)(ptile->step_matrix.tx + 0.5), bits->rep_width);
+	int py = imod(-(int)(ptile->step_matrix.ty + 0.5), bits->rep_height);
+
+	if (state.pcdev != dev)
+	    tile_clip_set_phase(&state.cdev, px, py);
+	if (source == NULL && lop_no_S_is_T(lop))
+	    code = (*dev_proc(state.pcdev, strip_tile_rectangle))
+		(state.pcdev, bits, x, y, w, h,
+		 gx_no_color_index, gx_no_color_index, px, py);
+	else
+	    code = (*dev_proc(state.pcdev, strip_copy_rop))
+		(state.pcdev,
+		 rop_source->sdata, rop_source->sourcex,
+		 rop_source->sraster, rop_source->id,
+		 (rop_source->use_scolors ? rop_source->scolors : NULL),
+		 bits, NULL, x, y, w, h, px, py, lop);
+    } else {
+	state.lop = lop;
+	state.source = source;
+	state.rop_source = rop_source;
+	state.orig_dev = dev;
+	code = tile_by_steps(&state, x, y, w, h, ptile,
+			     &ptile->tbits, tile_colored_fill);
+    }
+    return code;
+}
+
+/* Fill a rectangle with an uncolored Pattern. */
+/* Note that we treat this as "texture" for RasterOp. */
+private int
+tile_masked_fill(const tile_fill_state_t * ptfs,
+		 int x, int y, int w, int h)
+{
+    if (ptfs->source == NULL)
+	return (*ptfs->fill_rectangle)
+	    (ptfs->pdevc, x, y, w, h, ptfs->pcdev, ptfs->lop, NULL);
+    else {
+	const gx_rop_source_t *source = ptfs->source;
+	gx_rop_source_t step_source;
+
+	step_source.sdata = source->sdata + (y - ptfs->y0) * source->sraster;
+	step_source.sourcex = source->sourcex + (x - ptfs->x0);
+	step_source.sraster = source->sraster;
+	step_source.id = (w == ptfs->w0 && h == ptfs->h0 ?
+			  source->id : gx_no_bitmap_id);
+	step_source.scolors[0] = source->scolors[0];
+	step_source.scolors[1] = source->scolors[1];
+	step_source.use_scolors = source->use_scolors;
+	return (*ptfs->fill_rectangle)
+	    (ptfs->pdevc, x, y, w, h, ptfs->pcdev, ptfs->lop, &step_source);
+    }
+}
+int
+gx_dc_pure_masked_fill_rect(const gx_device_color * pdevc,
+			    int x, int y, int w, int h, gx_device * dev,
+			    gs_logical_operation_t lop,
+			    const gx_rop_source_t * source)
+{
+    gx_color_tile *ptile = pdevc->mask.m_tile;
+    tile_fill_state_t state;
+    int code;
+
+    /*
+     * This routine should never be called if there is no masking,
+     * but we leave the checks below just in case.
+     */
+    code = tile_fill_init(&state, pdevc, dev);
+    if (code < 0)
+	return code;
+    if (state.pcdev != dev) {
+	int px = imod(-(int)(ptile->step_matrix.tx + 0.5),
+		      ptile->tmask.rep_width);
+	int py = imod(-(int)(ptile->step_matrix.ty + 0.5),
+		      ptile->tmask.rep_height);
+
+	tile_clip_set_phase(&state.cdev, px, py);
+    }
+    if (state.pcdev == dev || ptile->is_simple)
+	return (*gx_dc_type_data_pure.fill_rectangle)
+	    (pdevc, x, y, w, h, state.pcdev, lop, source);
+    else {
+	state.lop = lop;
+	state.source = source;
+	state.fill_rectangle = gx_dc_type_data_pure.fill_rectangle;
+	return tile_by_steps(&state, x, y, w, h, ptile, &ptile->tmask,
+			     tile_masked_fill);
+    }
+}
+int
+gx_dc_binary_masked_fill_rect(const gx_device_color * pdevc,
+			      int x, int y, int w, int h, gx_device * dev,
+			      gs_logical_operation_t lop,
+			      const gx_rop_source_t * source)
+{
+    gx_color_tile *ptile = pdevc->mask.m_tile;
+    tile_fill_state_t state;
+    int code;
+
+    code = tile_fill_init(&state, pdevc, dev);
+    if (code < 0)
+	return code;
+    if (state.pcdev == dev || ptile->is_simple)
+	return (*gx_dc_type_data_ht_binary.fill_rectangle)
+	    (pdevc, x, y, w, h, state.pcdev, lop, source);
+    else {
+	state.lop = lop;
+	state.source = source;
+	state.fill_rectangle = gx_dc_type_data_ht_binary.fill_rectangle;
+	return tile_by_steps(&state, x, y, w, h, ptile, &ptile->tmask,
+			     tile_masked_fill);
+    }
+}
+int
+gx_dc_colored_masked_fill_rect(const gx_device_color * pdevc,
+			       int x, int y, int w, int h, gx_device * dev,
+			       gs_logical_operation_t lop,
+			       const gx_rop_source_t * source)
+{
+    gx_color_tile *ptile = pdevc->mask.m_tile;
+    tile_fill_state_t state;
+    int code;
+
+    code = tile_fill_init(&state, pdevc, dev);
+    if (code < 0)
+	return code;
+    if (state.pcdev == dev || ptile->is_simple)
+	return (*gx_dc_type_data_ht_colored.fill_rectangle)
+	    (pdevc, x, y, w, h, state.pcdev, lop, source);
+    else {
+	state.lop = lop;
+	state.source = source;
+	state.fill_rectangle = gx_dc_type_data_ht_colored.fill_rectangle;
+	return tile_by_steps(&state, x, y, w, h, ptile, &ptile->tmask,
+			     tile_masked_fill);
+    }
+}
diff --git a/pstoraster/gxp1fill.h b/pstoraster/gxp1fill.h
new file mode 100644
index 000000000..5a35d8c44
--- /dev/null
+++ b/pstoraster/gxp1fill.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PatternType 1 filling algorithm interface */
+
+#ifndef gxp1fill_INCLUDED
+#  define gxp1fill_INCLUDED
+
+/*
+ * We use 'masked_fill_rect' instead of 'masked_fill_rectangle'
+ * in order to limit identifier lengths to 32 characters.
+ */
+dev_color_proc_fill_rectangle(gx_dc_pattern_fill_rectangle);
+dev_color_proc_fill_rectangle(gx_dc_pure_masked_fill_rect);
+dev_color_proc_fill_rectangle(gx_dc_binary_masked_fill_rect);
+dev_color_proc_fill_rectangle(gx_dc_colored_masked_fill_rect);
+
+#endif /* gxp1fill_INCLUDED */
diff --git a/pstoraster/gxpageq.h b/pstoraster/gxpageq.h
new file mode 100644
index 000000000..cd0100c8f
--- /dev/null
+++ b/pstoraster/gxpageq.h
@@ -0,0 +1,192 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Page queue implementation */
+
+/* Initial version 2/1/98 by John Desrosiers (soho@crl.com) */
+/* 7/17/98 L. Peter Deutsch (ghost@aladdin.com) edited to conform to
+   Ghostscript coding standards */
+/* 8/7/98 ghost@aladdin.com fixed bugs in #define st_... statements */
+
+#ifndef gxpageq_INCLUDED
+# define gxpageq_INCLUDED
+
+# include "gsmemory.h"
+# include "gxband.h"
+# include "gxsync.h"
+
+/* --------------- Data type definitions --------------------- */
+
+typedef enum {
+    gx_page_queue_action_partial_page,
+    gx_page_queue_action_full_page,
+    gx_page_queue_action_copy_page,
+    gx_page_queue_action_terminate
+} gx_page_queue_action_t;
+
+#ifndef gx_page_queue_DEFINED
+# define gx_page_queue_DEFINED
+typedef struct gx_page_queue_s gx_page_queue;
+#endif
+
+/*
+ * Define a page queue entry object.
+ */
+typedef struct gx_page_queue_entry_s {
+    gx_band_page_info page_info;
+    gx_page_queue_action_t action;	/* action code */
+    int num_copies;		/* number of copies to render */
+    struct gx_page_queue_entry_s *next;		/* link to next in queue */
+    gx_page_queue *queue;	/* link to queue the entry is in */
+} gx_page_queue_entry;
+
+#define private_st_gx_page_queue_entry()\
+  gs_private_st_ptrs2(st_gx_page_queue_entry, gx_page_queue_entry,\
+    "gx_page_queue_entry",\
+    gx_page_queue_entry_enum_ptrs, gx_page_queue_entry_reloc_ptrs,\
+    next, queue)
+
+/*
+ * Define the structure used to manage a page queue
+ * A page queue is a monitor-locked FIFO which holds completed command
+ * list files ready for rendering.
+ */
+struct gx_page_queue_s {
+    gs_memory_t *memory;	/* allocator used to allocate entries */
+    gx_monitor_t *monitor;	/* used to serialize access to this structure */
+    int entry_count;		/* # elements in page_queue */
+    bool dequeue_in_progress;	/* true between start/ & end_dequeue */
+    gx_semaphore_t *render_req_sema;	/* sema signalled when page queued */
+    bool enable_render_done_signal;	/* enable signals to render_done_sema */
+    gx_semaphore_t *render_done_sema;	/* semaphore signaled when (partial) page rendered */
+    gx_page_queue_entry *last_in;	/* if <> 0, Last-in queue entry */
+    gx_page_queue_entry *first_in;	/* if <> 0, First-in queue entry */
+    gx_page_queue_entry *reserve_entry;		/* spare allocation */
+};
+
+#define private_st_gx_page_queue()\
+  gs_private_st_ptrs4(st_gx_page_queue, gx_page_queue, "gx_page_queue",\
+    gx_page_queue_enum_ptrs, gx_page_queue_reloc_ptrs,\
+    monitor, first_in, last_in, reserve_entry);
+
+/* -------------- Public Procedure Declaraions --------------------- */
+
+/* Allocate a page queue. */
+gx_page_queue *gx_page_queue_alloc(P1(gs_memory_t *mem));
+
+/* All page queue entries must be allocated by this routine. Allocated */
+/* entries are initialized & ready to go */
+/* rets ptr to allocated object, 0 if VM error */
+gx_page_queue_entry *
+gx_page_queue_entry_alloc(P1(
+    gx_page_queue * queue	/* queue that entry is being alloc'd for */
+    ));
+
+/* All page queues entries must be destroyed by this routine */
+void gx_page_queue_entry_free(P1(
+    gx_page_queue_entry * entry		/* entry to free up */
+    ));
+
+/* Init a page queue; this must be done before it can be used. This routine */
+/* allocates & inits various necessary structures and will fail if insufficient */
+/* memory is available. */
+/* -ve error code, or 0 */
+int gx_page_queue_init(P2(
+    gx_page_queue * queue,	/* page queue to init */
+    gs_memory_t * memory	/* allocator for dynamic memory */
+    ));
+
+/* Destroy a page queue which was initialized by gx_page_queue_init. Any */
+/* page queue entries in the queue are released and destroyed; dynamic */
+/* allocations are released. */
+void gx_page_queue_dnit(P1(
+    gx_page_queue * queue	/* page queue to dnit */
+    ));
+
+/* If there are any pages in queue, wait until one of them finishes rendering. */
+/* Typically called by writer's out-of-memory error handlers that want to wait */
+/* until some memory has been freed. */
+/* rets 0 if no pages were waiting for rendering, 1 if actually waited */
+int gx_page_queue_wait_one_page(P1(
+    gx_page_queue * queue	/* queue to wait on */
+    ));
+
+/* Wait until all (if any) pages in queue have finished rendering. Typically */
+/* called by writer operations which need to drain the page queue before */
+/* continuing. */
+void gx_page_queue_wait_until_empty(P1(
+    gx_page_queue * queue		/* page queue to wait on */
+    ));
+
+/* Add a pageq queue entry to the end of the page queue. If an unsatisfied */
+/* reader thread has an outstanding gx_page_queue_start_deque(), wake it up. */
+void gx_page_queue_enqueue(P1(
+    gx_page_queue_entry * entry	/* entry to add */
+    ));
+
+/* Allocate & construct a pageq entry, then to the end of the pageq as */
+/* in gx_page_queue_enqueue. If unable to allocate a new pageq entry, uses */
+/* the pre-allocated reserve entry held in the pageq. When using the reserve */
+/* pageq entry, wait until enough pages have been rendered to allocate a new */
+/* reserve for next time -- this should always succeed & returns eFatal if not. */
+/* Unless the reserve was used, does not wait for any rendering to complete. */
+/* Typically called by writer when it has a (partial) page ready for rendering. */
+/* rets 0 ok, gs_error_Fatal if error */
+int gx_page_queue_add_page(P4(
+    gx_page_queue * queue,		/* page queue to add to */
+    gx_page_queue_action_t action,		/* action code to queue */
+    const gx_band_page_info * page_info,	/* bandinfo incl. bandlist */
+    int page_count		/* # of copies to print if final "print,"
+				   /* 0 if partial page, -1 if cancel */
+    ));
+
+/* Retrieve the least-recently added queue entry from the pageq. If no */
+/* entry is available, waits on a signal from gx_page_queue_enqueue. Must */
+/* eventually be followed by a call to gx_page_queue_finish_dequeue for the */
+/* same pageq entry. */
+/* Even though the pageq is actually removed from the pageq, a mark is made in */
+/* the pageq to indicate that the pageq is not "empty" until the */
+/* gx_page_queue_finish_dequeue; this is for the benefit of */
+/* gx_page_queue_wait_???, since the completing the current page's rendering */
+/* may free more memory. */
+/* Typically called by renderer thread loop, which looks like: */
+/*   do */
+/*     { gx_page_queue_start_deqeueue(...); */
+/*       render_retrieved_entry(...); */
+/*       gx_page_queue_finish_dequeue(...); */
+/*     } */
+/*    while (some condition); */
+gx_page_queue_entry *		/* removed entry */
+gx_page_queue_start_dequeue(P1(
+    gx_page_queue * queue	/* page queue to retrieve from */
+    ));
+
+/* Free the pageq entry, then signal any waiting threads. */
+/* Typically used to indicate completion of rendering the pageq entry. */
+void gx_page_queue_finish_dequeue(P1(
+    gx_page_queue_entry * entry	/* entry that was retrieved to delete */
+    ));
+
+#endif /*!defined(gxpageq_h_INCLUDED) */
diff --git a/pstoraster/gxpaint.c b/pstoraster/gxpaint.c
new file mode 100644
index 000000000..3ac973619
--- /dev/null
+++ b/pstoraster/gxpaint.c
@@ -0,0 +1,81 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Graphics-state-aware fill and stroke procedures */
+#include "gx.h"
+#include "gzstate.h"
+#include "gxdevice.h"
+#include "gxhttile.h"
+#include "gxpaint.h"
+#include "gxpath.h"
+
+/* Fill a path. */
+int
+gx_fill_path(gx_path * ppath, gx_device_color * pdevc, gs_state * pgs,
+	     int rule, fixed adjust_x, fixed adjust_y)
+{
+    gx_device *dev = gs_currentdevice_inline(pgs);
+    gx_clip_path *pcpath;
+    int code = gx_effective_clip_path(pgs, &pcpath);
+    gx_fill_params params;
+
+    if (code < 0)
+	return code;
+    params.rule = rule;
+    params.adjust.x = adjust_x;
+    params.adjust.y = adjust_y;
+    params.flatness = (pgs->in_cachedevice > 1 ? 0.0 : pgs->flatness);
+    params.fill_zero_width = (adjust_x | adjust_y) != 0;
+    return (*dev_proc(dev, fill_path))
+	(dev, (const gs_imager_state *)pgs, ppath, &params, pdevc, pcpath);
+}
+
+/* Stroke a path for drawing or saving. */
+int
+gx_stroke_fill(gx_path * ppath, gs_state * pgs)
+{
+    gx_device *dev = gs_currentdevice_inline(pgs);
+    gx_clip_path *pcpath;
+    int code = gx_effective_clip_path(pgs, &pcpath);
+    gx_stroke_params params;
+
+    if (code < 0)
+	return code;
+    params.flatness = (pgs->in_cachedevice > 1 ? 0.0 : pgs->flatness);
+    return (*dev_proc(dev, stroke_path))
+	(dev, (const gs_imager_state *)pgs, ppath, &params,
+	 pgs->dev_color, pcpath);
+}
+
+int
+gx_stroke_add(gx_path * ppath, gx_path * to_path, gs_state * pgs)
+{
+    gx_stroke_params params;
+
+    params.flatness = (pgs->in_cachedevice > 1 ? 0.0 : pgs->flatness);
+    return gx_stroke_path_only(ppath, to_path, pgs->device,
+			       (const gs_imager_state *)pgs,
+			       &params, NULL, NULL);
+}
diff --git a/pstoraster/gxpaint.h b/pstoraster/gxpaint.h
new file mode 100644
index 000000000..17afc1d05
--- /dev/null
+++ b/pstoraster/gxpaint.h
@@ -0,0 +1,125 @@
+/* Copyright (C) 1994, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsropt.h, gxfixed.h, gxpath.h */
+
+#ifndef gxpaint_INCLUDED
+#  define gxpaint_INCLUDED
+
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+
+/* ------ Graphics-state-aware procedures ------ */
+
+/*
+ * The following procedures use information from the graphics state.
+ * They are implemented in gxpaint.c.
+ */
+
+int gx_fill_path(P6(gx_path * ppath, gx_device_color * pdevc, gs_state * pgs,
+		    int rule, fixed adjust_x, fixed adjust_y));
+int gx_stroke_fill(P2(gx_path * ppath, gs_state * pgs));
+int gx_stroke_add(P3(gx_path * ppath, gx_path * to_path, gs_state * pgs));
+
+/* ------ Imager procedures ------ */
+
+/*
+ * Tweak the fill adjustment if necessary so that (nearly) empty
+ * rectangles are guaranteed to produce some output.
+ */
+void gx_adjust_if_empty(P2(const gs_fixed_rect *, gs_fixed_point *));
+
+/*
+ * Compute the amount by which to expand a stroked bounding box to account
+ * for line width, caps and joins.  If the amount is too large to fit in
+ * a gs_fixed_point, return gs_error_limitcheck.
+ */
+int gx_stroke_path_expansion(P3(const gs_imager_state *,
+				const gx_path *, gs_fixed_point *));
+
+/* Backward compatibility */
+#define gx_stroke_expansion(pis, ppt)\
+  gx_stroke_path_expansion(pis, (const gx_path *)0, ppt)
+
+/*
+ * The following procedures do not need a graphics state.
+ * These procedures are implemented in gxfill.c and gxstroke.c.
+ */
+
+/* Define the parameters passed to the imager's filling routine. */
+#ifndef gx_fill_params_DEFINED
+#  define gx_fill_params_DEFINED
+typedef struct gx_fill_params_s gx_fill_params;
+
+#endif
+struct gx_fill_params_s {
+    int rule;			/* -1 = winding #, 1 = even/odd */
+    gs_fixed_point adjust;
+    float flatness;
+    bool fill_zero_width;	/* if true, make zero-width/height */
+    /* rectangles one pixel wide/high */
+};
+
+#define gx_fill_path_only(ppath, dev, pis, params, pdevc, pcpath)\
+  (*dev_proc(dev, fill_path))(dev, pis, ppath, params, pdevc, pcpath)
+
+/* Define the parameters passed to the imager's stroke routine. */
+#ifndef gx_stroke_params_DEFINED
+#  define gx_stroke_params_DEFINED
+typedef struct gx_stroke_params_s gx_stroke_params;
+
+#endif
+struct gx_stroke_params_s {
+    float flatness;
+};
+
+int gx_stroke_path_only(P7(gx_path * ppath, gx_path * to_path, gx_device * dev,
+			   const gs_imager_state * pis,
+			   const gx_stroke_params * params,
+			   const gx_device_color * pdevc,
+			   const gx_clip_path * pcpath));
+
+#endif /* gxpaint_INCLUDED */
diff --git a/pstoraster/gxpath.c b/pstoraster/gxpath.c
new file mode 100644
index 000000000..bf94c2299
--- /dev/null
+++ b/pstoraster/gxpath.c
@@ -0,0 +1,829 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal path management routines for Ghostscript library */
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gzpath.h"
+
+/* These routines all assume that all points are */
+/* already in device coordinates, and in fixed representation. */
+/* As usual, they return either 0 or a (negative) error code. */
+
+/* Forward references */
+private int path_alloc_copy(P1(gx_path *));
+private int gx_path_new_subpath(P1(gx_path *));
+
+#ifdef DEBUG
+private void gx_print_segment(P1(const segment *));
+
+#  define trace_segment(msg, pseg)\
+     if ( gs_debug_c('P') ) dlprintf(msg), gx_print_segment(pseg);
+#else
+#  define trace_segment(msg, pseg) DO_NOTHING
+#endif
+
+/* Check a point against a preset bounding box. */
+#define outside_bbox(ppath, px, py)\
+ (px < ppath->bbox.p.x || px > ppath->bbox.q.x ||\
+  py < ppath->bbox.p.y || py > ppath->bbox.q.y)
+#define check_in_bbox(ppath, px, py)\
+  if ( outside_bbox(ppath, px, py) )\
+	return_error(gs_error_rangecheck)
+
+/* Structure descriptors for paths and path segment types. */
+public_st_path();
+private_st_path_segments();
+private_st_segment();
+private_st_line();
+private_st_line_close();
+private_st_curve();
+private_st_subpath();
+
+/* ------ Initialize/free paths ------ */
+
+private rc_free_proc(rc_free_path_segments);
+private rc_free_proc(rc_free_path_segments_local);
+
+private void
+gx_path_init_contents(gx_path * ppath)
+{
+    ppath->box_last = 0;
+    ppath->first_subpath = ppath->current_subpath = 0;
+    ppath->subpath_count = 0;
+    ppath->curve_count = 0;
+    path_update_newpath(ppath);
+    ppath->bbox_set = 0;
+}
+
+/*
+ * Initialize a path contained in an already-heap-allocated object,
+ * optionally allocating its segments.
+ */
+private int
+path_alloc_segments(gx_path_segments ** ppsegs, gs_memory_t * mem,
+		    client_name_t cname)
+{
+    rc_alloc_struct_1(*ppsegs, gx_path_segments, &st_path_segments,
+		      mem, return_error(gs_error_VMerror), cname);
+    (*ppsegs)->rc.free = rc_free_path_segments;
+    return 0;
+}
+int
+gx_path_init_contained_shared(gx_path * ppath, const gx_path * shared,
+			      gs_memory_t * mem, client_name_t cname)
+{
+    if (shared) {
+	if (shared->segments == &shared->local_segments) {
+	    lprintf1("Attempt to share (local) segments of path 0x%lx!\n",
+		     (ulong) shared);
+	    return_error(gs_error_Fatal);
+	}
+	*ppath = *shared;
+	rc_increment(ppath->segments);
+    } else {
+	int code = path_alloc_segments(&ppath->segments, mem, cname);
+
+	if (code < 0)
+	    return code;
+	gx_path_init_contents(ppath);
+    }
+    ppath->memory = mem;
+    ppath->allocation = path_allocated_contained;
+    return 0;
+}
+
+/*
+ * Allocate a path on the heap, and initialize it.  If shared is NULL,
+ * allocate a segments object; if shared is an existing path, share its
+ * segments.
+ */
+gx_path *
+gx_path_alloc_shared(const gx_path * shared, gs_memory_t * mem,
+		     client_name_t cname)
+{
+    gx_path *ppath = gs_alloc_struct(mem, gx_path, &st_path, cname);
+
+    if (ppath == 0)
+	return 0;
+    if (shared) {
+	if (shared->segments == &shared->local_segments) {
+	    lprintf1("Attempt to share (local) segments of path 0x%lx!\n",
+		     (ulong) shared);
+	    gs_free_object(mem, ppath, cname);
+	    return 0;
+	}
+	*ppath = *shared;
+	rc_increment(ppath->segments);
+    } else {
+	int code = path_alloc_segments(&ppath->segments, mem, cname);
+
+	if (code < 0) {
+	    gs_free_object(mem, ppath, cname);
+	    return 0;
+	}
+	gx_path_init_contents(ppath);
+    }
+    ppath->memory = mem;
+    ppath->allocation = path_allocated_on_heap;
+    return ppath;
+}
+
+/*
+ * Initialize a stack-allocated path.  This doesn't allocate anything,
+ * but may still share the segments.
+ */
+int
+gx_path_init_local_shared(gx_path * ppath, const gx_path * shared,
+			  gs_memory_t * mem)
+{
+    if (shared) {
+	if (shared->segments == &shared->local_segments) {
+	    lprintf1("Attempt to share (local) segments of path 0x%lx!\n",
+		     (ulong) shared);
+	    return_error(gs_error_Fatal);
+	}
+	*ppath = *shared;
+	rc_increment(ppath->segments);
+    } else {
+	rc_init_free(&ppath->local_segments, mem, 1,
+		     rc_free_path_segments_local);
+	ppath->segments = &ppath->local_segments;
+	gx_path_init_contents(ppath);
+    }
+    ppath->memory = mem;
+    ppath->allocation = path_allocated_on_stack;
+    return 0;
+}
+
+/*
+ * Ensure that a path owns its segments, by copying the segments if
+ * they currently have multiple references.
+ */
+int
+gx_path_unshare(gx_path * ppath)
+{
+    int code = 0;
+
+    if (gx_path_is_shared(ppath))
+	code = path_alloc_copy(ppath);
+    return code;
+}
+
+/*
+ * Free a path by releasing its segments if they have no more references.
+ * This also frees the path object iff it was allocated by gx_path_alloc.
+ */
+void
+gx_path_free(gx_path * ppath, client_name_t cname)
+{
+    rc_decrement(ppath->segments, cname);
+    /* Clean up pointers for GC. */
+    ppath->box_last = 0;
+    ppath->segments = 0;	/* Nota bene */
+    if (ppath->allocation == path_allocated_on_heap)
+	gs_free_object(ppath->memory, ppath, cname);
+}
+
+/*
+ * Assign one path to another, adjusting reference counts appropriately.
+ * Note that this requires that segments of the two paths (but not the path
+ * objects themselves) were allocated with the same allocator.  Note also
+ * that since it does the equivalent of a gx_path_new(ppto), it may allocate
+ * a new segments object for ppto.
+ */
+int
+gx_path_assign_preserve(gx_path * ppto, gx_path * ppfrom)
+{
+    gx_path_segments *fromsegs = ppfrom->segments;
+    gx_path_segments *tosegs = ppto->segments;
+    gs_memory_t *mem = ppto->memory;
+    gx_path_allocation_t allocation = ppto->allocation;
+
+    if (fromsegs == &ppfrom->local_segments) {
+	/* We can't use ppfrom's segments object. */
+	if (tosegs == &ppto->local_segments || gx_path_is_shared(ppto)) {
+	    /* We can't use ppto's segments either.  Allocate a new one. */
+	    int code = path_alloc_segments(&tosegs, ppto->memory,
+					   "gx_path_assign");
+
+	    if (code < 0)
+		return code;
+	    rc_decrement(ppto->segments, "gx_path_assign");
+	} else {
+	    /* Use ppto's segments object. */
+	    rc_free_path_segments_local(tosegs->rc.memory, tosegs,
+					"gx_path_assign");
+	}
+	tosegs->contents = fromsegs->contents;
+	ppfrom->segments = tosegs;
+	rc_increment(tosegs);	/* for reference from ppfrom */
+    } else {
+	/* We can use ppfrom's segments object. */
+	rc_increment(fromsegs);
+	rc_decrement(tosegs, "gx_path_assign");
+    }
+    *ppto = *ppfrom;
+    ppto->memory = mem;
+    ppto->allocation = allocation;
+    return 0;
+}
+
+/*
+ * Assign one path to another and free the first path at the same time.
+ * (This may do less work than assign_preserve + free.)
+ */
+int
+gx_path_assign_free(gx_path * ppto, gx_path * ppfrom)
+{				/*
+				 * Detect the special case where both paths have non-shared local
+				 * segments, since we can avoid allocating new segments in this
+				 * case.
+				 */
+    if (ppto->segments == &ppto->local_segments &&
+	ppfrom->segments == &ppfrom->local_segments &&
+	!gx_path_is_shared(ppto)
+	) {
+#define fromsegs (&ppfrom->local_segments)
+#define tosegs (&ppto->local_segments)
+	gs_memory_t *mem = ppto->memory;
+	gx_path_allocation_t allocation = ppto->allocation;
+
+	rc_free_path_segments_local(tosegs->rc.memory, tosegs,
+				    "gx_path_assign_free");
+	/* We record a bogus reference to fromsegs, which */
+	/* gx_path_free will undo. */
+	*ppto = *ppfrom;
+	rc_increment(fromsegs);
+	ppto->segments = tosegs;
+	ppto->memory = mem;
+	ppto->allocation = allocation;
+#undef fromsegs
+#undef tosegs
+    } else {
+	/* In all other cases, just do assign + free. */
+	int code = gx_path_assign_preserve(ppto, ppfrom);
+
+	if (code < 0)
+	    return code;
+    }
+    gx_path_free(ppfrom, "gx_path_assign_free");
+    return 0;
+}
+
+/*
+ * Free the segments of a path when their reference count goes to zero.
+ * We do this in reverse order so as to maximize LIFO allocator behavior.
+ * We don't have to worry about cleaning up pointers, because we're about
+ * to free the segments object.
+ */
+private void
+rc_free_path_segments_local(gs_memory_t * mem, void *vpsegs,
+			    client_name_t cname)
+{
+    gx_path_segments *psegs = (gx_path_segments *) vpsegs;
+    segment *pseg;
+
+    if (psegs->contents.subpath_first == 0)
+	return;			/* empty path */
+    pseg = (segment *) psegs->contents.subpath_current->last;
+    while (pseg) {
+	segment *prev = pseg->prev;
+
+	trace_segment("[P]release", pseg);
+	gs_free_object(mem, pseg, cname);
+	pseg = prev;
+    }
+}
+private void
+rc_free_path_segments(gs_memory_t * mem, void *vpsegs, client_name_t cname)
+{
+    rc_free_path_segments_local(mem, vpsegs, cname);
+    gs_free_object(mem, vpsegs, cname);
+}
+
+/* ------ Incremental path building ------ */
+
+/* Guarantee that a path's segments are not shared with any other path. */
+#define path_unshare(ppath)\
+  BEGIN\
+    if ( gx_path_is_shared(ppath) ) {\
+      int code_;\
+      if( (code_ = path_alloc_copy(ppath)) < 0 ) return code_;\
+    }\
+  END
+
+/* Macro for opening the current subpath. */
+/* ppath points to the path; sets psub to ppath->current_subpath. */
+#define path_open()\
+  BEGIN\
+    if ( !path_is_drawing(ppath) ) {\
+      int code_;\
+      if ( !path_position_valid(ppath) )\
+	return_error(gs_error_nocurrentpoint);\
+      code_ = gx_path_new_subpath(ppath);\
+      if ( code_ < 0 ) return code_;\
+    }\
+  END
+
+/* Macros for allocating path segments. */
+/* Note that they assume that ppath points to the path. */
+/* We have to split the macro into two because of limitations */
+/* on the size of a single statement (sigh). */
+#define path_alloc_segment(pseg,ctype,pstype,stype,snotes,cname)\
+  path_unshare(ppath);\
+  psub = ppath->current_subpath;\
+  if( !(pseg = gs_alloc_struct(ppath->memory, ctype, pstype, cname)) )\
+    return_error(gs_error_VMerror);\
+  pseg->type = stype, pseg->notes = snotes, pseg->next = 0
+#define path_alloc_link(pseg)\
+  { segment *prev = psub->last;\
+    prev->next = (segment *)pseg;\
+    pseg->prev = prev;\
+    psub->last = (segment *)pseg;\
+  }
+
+/* Make a new path (newpath). */
+int
+gx_path_new(gx_path * ppath)
+{
+    gx_path_segments *psegs = ppath->segments;
+
+    if (gx_path_is_shared(ppath)) {
+	int code = path_alloc_segments(&ppath->segments, ppath->memory,
+				       "gx_path_new");
+
+	if (code < 0)
+	    return code;
+	rc_decrement(psegs, "gx_path_new");
+    } else {
+	rc_free_path_segments_local(psegs->rc.memory, psegs, "gx_path_new");
+    }
+    gx_path_init_contents(ppath);
+    return 0;
+}
+
+/* Open a new subpath. */
+/* The client must invoke path_update_xxx. */
+private int
+gx_path_new_subpath(gx_path * ppath)
+{
+    subpath *psub;
+    subpath *spp;
+
+    path_alloc_segment(spp, subpath, &st_subpath, s_start, sn_none,
+		       "gx_path_new_subpath");
+    spp->last = (segment *) spp;
+    spp->curve_count = 0;
+    spp->is_closed = 0;
+    spp->pt = ppath->position;
+    if (!psub) {		/* first subpath */
+	ppath->first_subpath = spp;
+	spp->prev = 0;
+    } else {
+	segment *prev = psub->last;
+
+	prev->next = (segment *) spp;
+	spp->prev = prev;
+    }
+    ppath->current_subpath = spp;
+    ppath->subpath_count++;
+    trace_segment("[P]", (const segment *)spp);
+    return 0;
+}
+
+/* Add a point to the current path (moveto). */
+int
+gx_path_add_point(gx_path * ppath, fixed x, fixed y)
+{
+    if (ppath->bbox_set)
+	check_in_bbox(ppath, x, y);
+    ppath->position.x = x;
+    ppath->position.y = y;
+    path_update_moveto(ppath);
+    return 0;
+}
+
+/* Add a relative point to the current path (rmoveto). */
+int
+gx_path_add_relative_point(gx_path * ppath, fixed dx, fixed dy)
+{
+    if (!path_position_in_range(ppath))
+	return_error((path_position_valid(ppath) ? gs_error_limitcheck :
+		      gs_error_nocurrentpoint));
+    {
+	fixed nx = ppath->position.x + dx, ny = ppath->position.y + dy;
+
+	/* Check for overflow in addition. */
+	if (((nx ^ dx) < 0 && (ppath->position.x ^ dx) >= 0) ||
+	    ((ny ^ dy) < 0 && (ppath->position.y ^ dy) >= 0)
+	    )
+	    return_error(gs_error_limitcheck);
+	if (ppath->bbox_set)
+	    check_in_bbox(ppath, nx, ny);
+	ppath->position.x = nx;
+	ppath->position.y = ny;
+    }
+    path_update_moveto(ppath);
+    return 0;
+}
+
+/* Set the segment point and the current point in the path. */
+/* Assumes ppath points to the path. */
+#define path_set_point(pseg, fx, fy)\
+	(pseg)->pt.x = ppath->position.x = (fx),\
+	(pseg)->pt.y = ppath->position.y = (fy)
+
+/* Add a line to the current path (lineto). */
+int
+gx_path_add_line_notes(gx_path * ppath, fixed x, fixed y, segment_notes notes)
+{
+    subpath *psub;
+    line_segment *lp;
+
+    if (ppath->bbox_set)
+	check_in_bbox(ppath, x, y);
+    path_open();
+    path_alloc_segment(lp, line_segment, &st_line, s_line, notes,
+		       "gx_path_add_line");
+    path_alloc_link(lp);
+    path_set_point(lp, x, y);
+    path_update_draw(ppath);
+    trace_segment("[P]", (segment *) lp);
+    return 0;
+}
+
+/* Add multiple lines to the current path. */
+/* Note that all lines have the same notes. */
+int
+gx_path_add_lines_notes(gx_path * ppath, const gs_fixed_point * ppts, int count,
+			segment_notes notes)
+{
+    subpath *psub;
+    segment *prev;
+    line_segment *lp = 0;
+    int i;
+    int code = 0;
+
+    if (count <= 0)
+	return 0;
+    path_unshare(ppath);
+    path_open();
+    psub = ppath->current_subpath;
+    prev = psub->last;
+    /* We could do better than the following, but this is a start. */
+    /* Note that we don't make any attempt to undo partial additions */
+    /* if we fail partway through; this is equivalent to what would */
+    /* happen with multiple calls on gx_path_add_line. */
+    for (i = 0; i < count; i++) {
+	fixed x = ppts[i].x;
+	fixed y = ppts[i].y;
+	line_segment *next;
+
+	if (ppath->bbox_set && outside_bbox(ppath, x, y)) {
+	    code = gs_note_error(gs_error_rangecheck);
+	    break;
+	}
+	if (!(next = gs_alloc_struct(ppath->memory, line_segment,
+				     &st_line, "gx_path_add_lines"))
+	    ) {
+	    code = gs_note_error(gs_error_VMerror);
+	    break;
+	}
+	lp = next;
+	lp->type = s_line;
+	lp->notes = notes;
+	prev->next = (segment *) lp;
+	lp->prev = prev;
+	lp->pt.x = x;
+	lp->pt.y = y;
+	prev = (segment *) lp;
+	trace_segment("[P]", (segment *) lp);
+    }
+    if (lp != 0)
+	ppath->position.x = lp->pt.x,
+	    ppath->position.y = lp->pt.y,
+	    psub->last = (segment *) lp,
+	    lp->next = 0,
+	    path_update_draw(ppath);
+    return code;
+}
+
+/* Add a rectangle to the current path. */
+/* This is a special case of adding a closed polygon. */
+int
+gx_path_add_rectangle(gx_path * ppath, fixed x0, fixed y0, fixed x1, fixed y1)
+{
+    gs_fixed_point pts[3];
+    int code;
+
+    pts[0].x = x0;
+    pts[1].x = pts[2].x = x1;
+    pts[2].y = y0;
+    pts[0].y = pts[1].y = y1;
+    if ((code = gx_path_add_point(ppath, x0, y0)) < 0 ||
+	(code = gx_path_add_lines(ppath, pts, 3)) < 0 ||
+	(code = gx_path_close_subpath(ppath)) < 0
+	)
+	return code;
+    return 0;
+}
+
+/* Add a curve to the current path (curveto). */
+int
+gx_path_add_curve_notes(gx_path * ppath,
+		 fixed x1, fixed y1, fixed x2, fixed y2, fixed x3, fixed y3,
+			segment_notes notes)
+{
+    subpath *psub;
+    curve_segment *lp;
+
+    if (ppath->bbox_set) {
+	check_in_bbox(ppath, x1, y1);
+	check_in_bbox(ppath, x2, y2);
+	check_in_bbox(ppath, x3, y3);
+    }
+    path_open();
+    path_alloc_segment(lp, curve_segment, &st_curve, s_curve, notes,
+		       "gx_path_add_curve");
+    path_alloc_link(lp);
+    lp->p1.x = x1;
+    lp->p1.y = y1;
+    lp->p2.x = x2;
+    lp->p2.y = y2;
+    path_set_point(lp, x3, y3);
+    psub->curve_count++;
+    ppath->curve_count++;
+    path_update_draw(ppath);
+    trace_segment("[P]", (segment *) lp);
+    return 0;
+}
+
+/*
+ * Add an approximation of an arc to the current path.
+ * The current point of the path is the initial point of the arc;
+ * parameters are the final point of the arc
+ * and the point at which the extended tangents meet.
+ * We require that the arc be less than a semicircle.
+ * The arc may go either clockwise or counterclockwise.
+ * The approximation is a very simple one: a single curve
+ * whose other two control points are a fraction F of the way
+ * to the intersection of the tangents, where
+ *      F = (4/3)(1 / (1 + sqrt(1+(d/r)^2)))
+ * where r is the radius and d is the distance from either tangent
+ * point to the intersection of the tangents.  This produces
+ * a curve whose center point, as well as its ends, lies on
+ * the desired arc.
+ *
+ * Because F has to be computed in user space, we let the client
+ * compute it and pass it in as an argument.
+ */
+int
+gx_path_add_partial_arc_notes(gx_path * ppath,
+fixed x3, fixed y3, fixed xt, fixed yt, floatp fraction, segment_notes notes)
+{
+    fixed x0 = ppath->position.x, y0 = ppath->position.y;
+
+    return gx_path_add_curve_notes(ppath,
+				   x0 + (fixed) ((xt - x0) * fraction),
+				   y0 + (fixed) ((yt - y0) * fraction),
+				   x3 + (fixed) ((xt - x3) * fraction),
+				   y3 + (fixed) ((yt - y3) * fraction),
+				   x3, y3, notes | sn_from_arc);
+}
+
+/* Append a path to another path, and reset the first path. */
+/* Currently this is only used to append a path to its parent */
+/* (the path in the previous graphics context). */
+int
+gx_path_add_path(gx_path * ppath, gx_path * ppfrom)
+{
+    path_unshare(ppfrom);
+    path_unshare(ppath);
+    if (ppfrom->first_subpath) {	/* i.e. ppfrom not empty */
+	if (ppath->first_subpath) {	/* i.e. ppath not empty */
+	    subpath *psub = ppath->current_subpath;
+	    segment *pseg = psub->last;
+	    subpath *pfsub = ppfrom->first_subpath;
+
+	    pseg->next = (segment *) pfsub;
+	    pfsub->prev = pseg;
+	} else
+	    ppath->first_subpath = ppfrom->first_subpath;
+	ppath->current_subpath = ppfrom->current_subpath;
+	ppath->subpath_count += ppfrom->subpath_count;
+	ppath->curve_count += ppfrom->curve_count;
+    }
+    /* Transfer the remaining state. */
+    ppath->position = ppfrom->position;
+    ppath->outside_position = ppfrom->outside_position;
+    ppath->state_flags = ppfrom->state_flags;
+    /* Reset the source path. */
+    gx_path_init_contents(ppfrom);
+    return 0;
+}
+
+/* Add a path or its bounding box to the enclosing path, */
+/* and reset the first path.  Only used for implementing charpath and its */
+/* relatives. */
+int
+gx_path_add_char_path(gx_path * to_path, gx_path * from_path,
+		      gs_char_path_mode mode)
+{
+    int code;
+    gs_fixed_rect bbox;
+
+    switch (mode) {
+	default:		/* shouldn't happen! */
+	    gx_path_new(from_path);
+	    return 0;
+	case cpm_true_charpath:
+	case cpm_false_charpath:
+	    return gx_path_add_path(to_path, from_path);
+	case cpm_true_charboxpath:
+	    gx_path_bbox(from_path, &bbox);
+	    code = gx_path_add_rectangle(to_path, bbox.p.x, bbox.p.y,
+					 bbox.q.x, bbox.q.y);
+	    break;
+	case cpm_false_charboxpath:
+	    gx_path_bbox(from_path, &bbox);
+	    code = gx_path_add_point(to_path, bbox.p.x, bbox.p.y);
+	    if (code >= 0)
+		code = gx_path_add_line(to_path, bbox.q.x, bbox.q.y);
+	    break;
+    }
+    if (code < 0)
+	return code;
+    gx_path_new(from_path);
+    return 0;
+}
+
+/* Close the current subpath. */
+int
+gx_path_close_subpath_notes(gx_path * ppath, segment_notes notes)
+{
+    subpath *psub;
+    line_close_segment *lp;
+    int code;
+
+    if (!path_subpath_open(ppath))
+	return 0;
+    if (path_last_is_moveto(ppath)) {	/* The last operation was a moveto: create a subpath. */
+	code = gx_path_new_subpath(ppath);
+	if (code < 0)
+	    return code;
+    }
+    path_alloc_segment(lp, line_close_segment, &st_line_close,
+		       s_line_close, notes, "gx_path_close_subpath");
+    path_alloc_link(lp);
+    path_set_point(lp, psub->pt.x, psub->pt.y);
+    lp->sub = psub;
+    psub->is_closed = 1;
+    path_update_closepath(ppath);
+    trace_segment("[P]", (segment *) lp);
+    return 0;
+}
+
+/* Remove the last line from the current subpath, and then close it. */
+/* The Type 1 font hinting routines use this if a path ends with */
+/* a line to the start followed by a closepath. */
+int
+gx_path_pop_close_notes(gx_path * ppath, segment_notes notes)
+{
+    subpath *psub = ppath->current_subpath;
+    segment *pseg;
+    segment *prev;
+
+    if (psub == 0 || (pseg = psub->last) == 0 ||
+	pseg->type != s_line
+	)
+	return_error(gs_error_unknownerror);
+    prev = pseg->prev;
+    prev->next = 0;
+    psub->last = prev;
+    gs_free_object(ppath->memory, pseg, "gx_path_pop_close_subpath");
+    return gx_path_close_subpath_notes(ppath, notes);
+}
+
+/* ------ Internal routines ------ */
+
+/*
+ * Copy the current path, because it was shared.
+ */
+private int
+path_alloc_copy(gx_path * ppath)
+{
+    gx_path path_new;
+    int code;
+
+    gx_path_init_local(&path_new, ppath->memory);
+    code = gx_path_copy(ppath, &path_new);
+    if (code < 0) {
+	gx_path_free(&path_new, "path_alloc_copy error");
+	return code;
+    }
+    return gx_path_assign_free(ppath, &path_new);
+}
+
+/* ------ Debugging printout ------ */
+
+#ifdef DEBUG
+
+/* Print out a path with a label */
+void
+gx_dump_path(const gx_path * ppath, const char *tag)
+{
+    dlprintf2("[P]Path 0x%lx %s:\n", (ulong) ppath, tag);
+    gx_path_print(ppath);
+}
+
+/* Print a path */
+void
+gx_path_print(const gx_path * ppath)
+{
+    const segment *pseg = (const segment *)ppath->first_subpath;
+
+    dlprintf5("   state_flags=%d subpaths=%d, curves=%d, point=(%f,%f)\n",
+	      ppath->state_flags, ppath->subpath_count, ppath->curve_count,
+	      fixed2float(ppath->position.x),
+	      fixed2float(ppath->position.y));
+    dlprintf5("   box=(%f,%f),(%f,%f) last=0x%lx\n",
+	      fixed2float(ppath->bbox.p.x), fixed2float(ppath->bbox.p.y),
+	      fixed2float(ppath->bbox.q.x), fixed2float(ppath->bbox.q.y),
+	      (ulong) ppath->box_last);
+    dlprintf4("   segments=0x%lx (refct=%ld, first=0x%lx, current=0x%lx)\n",
+	      (ulong) ppath->segments, (long)ppath->segments->rc.ref_count,
+	      (ulong) ppath->segments->contents.subpath_first,
+	      (ulong) ppath->segments->contents.subpath_current);
+    while (pseg) {
+	dlputs("");
+	gx_print_segment(pseg);
+	pseg = pseg->next;
+    }
+}
+private void
+gx_print_segment(const segment * pseg)
+{
+    double px = fixed2float(pseg->pt.x);
+    double py = fixed2float(pseg->pt.y);
+    char out[80];
+
+    sprintf(out, "   0x%lx<0x%lx,0x%lx>:%u",
+	 (ulong) pseg, (ulong) pseg->prev, (ulong) pseg->next, pseg->notes);
+    switch (pseg->type) {
+	case s_start:{
+		const subpath *const psub = (const subpath *)pseg;
+
+		dprintf5("%s: %1.4f %1.4f moveto\t%% #curves=%d last=0x%lx\n",
+			 out, px, py, psub->curve_count, (ulong) psub->last);
+		break;
+	    }
+	case s_curve:{
+		const curve_segment *const pcur = (const curve_segment *)pseg;
+
+		dprintf7("%s: %1.4f %1.4f %1.4f %1.4f %1.4f %1.4f curveto\n",
+		      out, fixed2float(pcur->p1.x), fixed2float(pcur->p1.y),
+		  fixed2float(pcur->p2.x), fixed2float(pcur->p2.y), px, py);
+		break;
+	    }
+	case s_line:
+	    dprintf3("%s: %1.4f %1.4f lineto\n", out, px, py);
+	    break;
+	case s_line_close:{
+		const line_close_segment *const plc =
+		(const line_close_segment *)pseg;
+
+		dprintf4("%s: closepath\t%% %1.4f %1.4f 0x%lx\n",
+			 out, px, py, (ulong) (plc->sub));
+		break;
+	    }
+	default:
+	    dprintf4("%s: %1.4f %1.4f <type 0x%x>\n", out, px, py, pseg->type);
+    }
+}
+
+#endif /* DEBUG */
diff --git a/pstoraster/gxpath.h b/pstoraster/gxpath.h
new file mode 100644
index 000000000..88516e103
--- /dev/null
+++ b/pstoraster/gxpath.h
@@ -0,0 +1,317 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxfixed.h */
+
+#ifndef gxpath_INCLUDED
+#  define gxpath_INCLUDED
+
+#include "gscpm.h"
+#include "gslparam.h"
+#include "gspenum.h"
+#include "gsrect.h"
+
+/* The routines and types in this interface use */
+/* device, rather than user, coordinates, and fixed-point, */
+/* rather than floating, representation. */
+
+/* Opaque type for a path */
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+
+/* Define the two insideness rules */
+#define gx_rule_winding_number (-1)
+#define gx_rule_even_odd 1
+
+/* Define 'notes' that describe the role of a path segment. */
+/* These are only for internal use; a normal segment's notes are 0. */
+typedef enum {
+    sn_none = 0,
+    sn_not_first = 1,		/* segment is in curve/arc and not first */
+    sn_from_arc = 2		/* segment is part of an arc */
+} segment_notes;
+
+/* Debugging routines */
+#ifdef DEBUG
+void gx_dump_path(P2(const gx_path *, const char *));
+void gx_path_print(P1(const gx_path *));
+
+#endif
+
+/* Path memory management */
+
+/*
+ * Path memory management is unfortunately a little tricky.  The
+ * implementation details are in gzpath.h: we only present the API here.
+ *
+ * Path objects per se may be allocated in 3 different ways: on the
+ * C stack, as separate objects in the heap, or (for the graphics state
+ * only) contained in a larger heap-allocated object.
+ *
+ * Any number of paths may share segments.  The segments are stored in
+ * their own, reference-counted object, and are freed when there are no
+ * more references to that object.
+ */
+
+/*
+ * Allocate a path on the heap, and initialize it.  If shared is NULL,
+ * allocate a segments object; if shared is an existing path, share its
+ * segments.
+ */
+gx_path *gx_path_alloc_shared(P3(const gx_path * shared, gs_memory_t * mem,
+				 client_name_t cname));
+
+#define gx_path_alloc(mem, cname)\
+  gx_path_alloc_shared(NULL, mem, cname)
+/*
+ * Initialize a path contained in an already-heap-allocated object,
+ * optionally allocating its segments.
+ */
+int gx_path_init_contained_shared(P4(gx_path * ppath, const gx_path * shared,
+				   gs_memory_t * mem, client_name_t cname));
+
+#define gx_path_alloc_contained(ppath, mem, cname)\
+  gx_path_init_contained_shared(ppath, NULL, mem, cname)
+/*
+ * Initialize a stack-allocated path.  This doesn't allocate anything,
+ * but may still share the segments.  Note that it returns an error if
+ * asked to share the segments of another local path.
+ */
+int gx_path_init_local_shared(P3(gx_path * ppath, const gx_path * shared,
+				 gs_memory_t * mem));
+
+#define gx_path_init_local(ppath, mem)\
+  (void)gx_path_init_local_shared(ppath, NULL, mem)	/* can't fail */
+
+/*
+ * Ensure that a path owns its segments, by copying the segments if
+ * they currently have multiple references.
+ */
+int gx_path_unshare(P1(gx_path * ppath));
+
+/*
+ * Free a path by releasing its segments if they have no more references.
+ * This also frees the path object iff it was allocated by gx_path_alloc.
+ */
+void gx_path_free(P2(gx_path * ppath, client_name_t cname));
+
+/*
+ * Assign one path to another, adjusting reference counts appropriately.
+ * Note that this requires that segments of the two paths (but not the path
+ * objects themselves) were allocated with the same allocator.  Note also
+ * that if ppfrom is stack-allocated, ppto is not, and ppto's segments are
+ * currently shared, gx_path_assign must do the equivalent of a
+ * gx_path_new(ppto), which allocates a new segments object for ppto.
+ */
+int gx_path_assign_preserve(P2(gx_path * ppto, gx_path * ppfrom));
+
+/*
+ * Assign one path to another and free the first path at the same time.
+ * (This may do less work than assign_preserve + free.)
+ */
+int gx_path_assign_free(P2(gx_path * ppto, gx_path * ppfrom));
+
+/* Path constructors */
+/* Note that all path constructors have an implicit initial gx_path_unshare. */
+
+int gx_path_new(P1(gx_path *)),
+    gx_path_add_point(P3(gx_path *, fixed, fixed)),
+    gx_path_add_relative_point(P3(gx_path *, fixed, fixed)),
+    gx_path_add_line_notes(P4(gx_path *, fixed, fixed, segment_notes)),
+    gx_path_add_lines_notes(P4(gx_path *, const gs_fixed_point *, int, segment_notes)),
+    gx_path_add_rectangle(P5(gx_path *, fixed, fixed, fixed, fixed)),
+    gx_path_add_char_path(P3(gx_path *, gx_path *, gs_char_path_mode)),
+    gx_path_add_curve_notes(P8(gx_path *, fixed, fixed, fixed, fixed, fixed, fixed, segment_notes)),
+    gx_path_add_partial_arc_notes(P7(gx_path *, fixed, fixed, fixed, fixed, floatp, segment_notes)),
+    gx_path_add_path(P2(gx_path *, gx_path *)),
+    gx_path_close_subpath_notes(P2(gx_path *, segment_notes)),
+	  /* We have to remove the 'subpath' from the following name */
+	  /* to keep it unique in the first 23 characters. */
+    gx_path_pop_close_notes(P2(gx_path *, segment_notes));
+
+/* The last argument to gx_path_add_partial_arc is a fraction for computing */
+/* the curve parameters.  Here is the correct value for quarter-circles. */
+/* (stroke uses this to draw round caps and joins.) */
+#define quarter_arc_fraction 0.552285
+/*
+ * Backward-compatible constructors that don't take a notes argument.
+ */
+#define gx_path_add_line(ppath, x, y)\
+  gx_path_add_line_notes(ppath, x, y, sn_none)
+#define gx_path_add_lines(ppath, pts, count)\
+  gx_path_add_lines_notes(ppath, pts, count, sn_none)
+#define gx_path_add_curve(ppath, x1, y1, x2, y2, x3, y3)\
+  gx_path_add_curve_notes(ppath, x1, y1, x2, y2, x3, y3, sn_none)
+#define gx_path_add_partial_arc(ppath, x3, y3, xt, yt, fraction)\
+  gx_path_add_partial_arc_notes(ppath, x3, y3, xt, yt, fraction, sn_none)
+#define gx_path_close_subpath(ppath)\
+  gx_path_close_subpath_notes(ppath, sn_none)
+#define gx_path_pop_close_subpath(ppath)\
+  gx_path_pop_close_notes(ppath, sn_none)
+
+/* Path accessors */
+
+gx_path *gx_current_path(P1(const gs_state *));
+int gx_path_current_point(P2(const gx_path *, gs_fixed_point *)),
+    gx_path_bbox(P2(gx_path *, gs_fixed_rect *));
+bool gx_path_has_curves(P1(const gx_path *)),
+    gx_path_is_void(P1(const gx_path *)),	/* no segments */
+    gx_path_is_null(P1(const gx_path *)),	/* nothing at all */
+    gx_path_is_monotonic(P1(const gx_path *));
+typedef enum {
+    prt_none = 0,
+    prt_open = 1,		/* only 3 sides */
+    prt_fake_closed = 2,	/* 4 lines, no closepath */
+    prt_closed = 3		/* 3 or 4 lines + closepath */
+} gx_path_rectangular_type;
+
+gx_path_rectangular_type
+gx_path_is_rectangular(P2(const gx_path *, gs_fixed_rect *));
+
+#define gx_path_is_rectangle(ppath, pbox)\
+  (gx_path_is_rectangular(ppath, pbox) != prt_none)
+/* Inline versions of the above */
+#define gx_path_is_null_inline(ppath)\
+  (gx_path_is_void(ppath) && !path_position_valid(ppath))
+
+/* Path transformers */
+
+/* gx_path_copy_reducing is internal. */
+typedef enum {
+    pco_none = 0,
+    pco_monotonize = 1,		/* make curves monotonic */
+    pco_accurate = 2		/* flatten with accurate tangents at ends */
+} gx_path_copy_options;
+int gx_path_copy_reducing(P4(const gx_path * ppath_old, gx_path * ppath_new,
+			     fixed fixed_flatness,
+			     gx_path_copy_options options));
+
+#define gx_path_copy(old, new)\
+  gx_path_copy_reducing(old, new, max_fixed, pco_none)
+#define gx_path_add_flattened(old, new, flatness)\
+  gx_path_copy_reducing(old, new, float2fixed(flatness), pco_none)
+#define gx_path_add_flattened_accurate(old, new, flatness, accurate)\
+  gx_path_copy_reducing(old, new, float2fixed(flatness),\
+			(accurate ? pco_accurate : pco_none))
+#define gx_path_add_monotonized(old, new)\
+  gx_path_copy_reducing(old, new, max_fixed, pco_monotonize)
+int gx_path_add_dash_expansion(P3(const gx_path * /*old */ , gx_path * /*new */ , const gs_imager_state *)),
+      gx_path_copy_reversed(P2(const gx_path * /*old */ , gx_path * /*new */ )),
+      gx_path_translate(P3(gx_path *, fixed, fixed)),
+      gx_path_scale_exp2(P3(gx_path *, int, int));
+void gx_point_scale_exp2(P3(gs_fixed_point *, int, int)), gx_rect_scale_exp2(P3(gs_fixed_rect *, int, int));
+
+/* Path enumerator */
+
+/* This interface does not make a copy of the path. */
+/* Do not use gs_path_enum_cleanup with this interface! */
+int gx_path_enum_init(P2(gs_path_enum *, const gx_path *));
+int gx_path_enum_next(P2(gs_path_enum *, gs_fixed_point[3]));	/* 0 when done */
+
+segment_notes
+gx_path_enum_notes(P1(const gs_path_enum *));
+bool gx_path_enum_backup(P1(gs_path_enum *));
+
+/* ------ Clipping paths ------ */
+
+/* Opaque type for a clipping path */
+#ifndef gx_clip_path_DEFINED
+#  define gx_clip_path_DEFINED
+typedef struct gx_clip_path_s gx_clip_path;
+
+#endif
+
+/* Graphics state clipping */
+int gx_clip_to_rectangle(P2(gs_state *, gs_fixed_rect *));
+int gx_clip_to_path(P1(gs_state *));
+int gx_default_clip_box(P2(const gs_state *, gs_fixed_rect *));
+int gx_effective_clip_path(P2(gs_state *, gx_clip_path **));
+
+/* Opaque type for a clip list. */
+#ifndef gx_clip_list_DEFINED
+#  define gx_clip_list_DEFINED
+typedef struct gx_clip_list_s gx_clip_list;
+
+#endif
+
+/* Opaque type for a clipping path enumerator. */
+typedef struct gs_cpath_enum_s gs_cpath_enum;
+
+/*
+ * Provide similar memory management for clip paths to what we have for
+ * paths (see above for details).
+ */
+gx_clip_path *gx_cpath_alloc_shared(P3(const gx_clip_path * shared,
+				       gs_memory_t * mem,
+				       client_name_t cname));
+
+#define gx_cpath_alloc(mem, cname)\
+  gx_cpath_alloc_shared(NULL, mem, cname)
+int gx_cpath_init_contained_shared(P4(gx_clip_path * pcpath,
+				      const gx_clip_path * shared,
+				      gs_memory_t * mem,
+				      client_name_t cname));
+
+#define gx_cpath_alloc_contained(pcpath, mem, cname)\
+  gx_cpath_init_contained_shared(pcpath, NULL, mem, cname)
+int gx_cpath_init_local_shared(P3(gx_clip_path * pcpath,
+				  const gx_clip_path * shared,
+				  gs_memory_t * mem));
+
+#define gx_cpath_init_local(pcpath, mem)\
+  (void)gx_cpath_init_local_shared(pcpath, NULL, mem)	/* can't fail */
+int gx_cpath_unshare(P1(gx_clip_path * pcpath));
+void gx_cpath_free(P2(gx_clip_path * pcpath, client_name_t cname));
+int gx_cpath_assign_preserve(P2(gx_clip_path * pcpto, gx_clip_path * pcpfrom));
+int gx_cpath_assign_free(P2(gx_clip_path * pcpto, gx_clip_path * pcpfrom));
+
+/* Clip path constructors and accessors */
+
+int
+    gx_cpath_reset(P1(gx_clip_path *)),		/* from_rectangle ((0,0),(0,0)) */
+    gx_cpath_from_rectangle(P2(gx_clip_path *, gs_fixed_rect *)),
+    gx_cpath_clip(P4(gs_state *, gx_clip_path *, gx_path *, int)),
+    gx_cpath_scale_exp2(P3(gx_clip_path *, int, int)),
+    gx_cpath_to_path(P2(gx_clip_path *, gx_path *));
+bool
+    gx_cpath_inner_box(P2(const gx_clip_path *, gs_fixed_rect *)),
+    gx_cpath_outer_box(P2(const gx_clip_path *, gs_fixed_rect *)),
+    gx_cpath_includes_rectangle(P5(const gx_clip_path *, fixed, fixed,
+				   fixed, fixed));
+int gx_cpath_set_outside(P2(gx_clip_path *, bool));
+bool gx_cpath_is_outside(P1(const gx_clip_path *));
+
+/* Enumerate a clipping path.  This interface does not copy the path. */
+/* However, it does write into the path's "visited" flags. */
+int gx_cpath_enum_init(P2(gs_cpath_enum *, gx_clip_path *));
+int gx_cpath_enum_next(P2(gs_cpath_enum *, gs_fixed_point[3]));		/* 0 when done */
+
+segment_notes
+gx_cpath_enum_notes(P1(const gs_cpath_enum *));
+
+#endif /* gxpath_INCLUDED */
diff --git a/pstoraster/gxpath2.c b/pstoraster/gxpath2.c
new file mode 100644
index 000000000..a033e7151
--- /dev/null
+++ b/pstoraster/gxpath2.c
@@ -0,0 +1,487 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Path tracing procedures for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gxfixed.h"
+#include "gxarith.h"
+#include "gzpath.h"
+
+/* Define the enumeration structure. */
+public_st_path_enum();
+
+/* Read the current point of a path. */
+int
+gx_path_current_point(const gx_path * ppath, gs_fixed_point * ppt)
+{
+    if (!path_position_valid(ppath))
+	return_error(gs_error_nocurrentpoint);
+    /* Copying the coordinates individually */
+    /* is much faster on a PC, and almost as fast on other machines.... */
+    ppt->x = ppath->position.x, ppt->y = ppath->position.y;
+    return 0;
+}
+
+/* Read the bounding box of a path. */
+/* Note that if the last element of the path is a moveto, */
+/* the bounding box does not include this point, */
+/* unless this is the only element of the path. */
+int
+gx_path_bbox(gx_path * ppath, gs_fixed_rect * pbox)
+{
+    if (ppath->bbox_set) {	/* The bounding box was set by setbbox. */
+	*pbox = ppath->bbox;
+	return 0;
+    }
+    if (ppath->first_subpath == 0) {	/* The path is empty, use the current point if any. */
+	int code = gx_path_current_point(ppath, &pbox->p);
+
+	if (code < 0) {		/*
+				 * Don't return garbage, in case the caller doesn't
+				 * check the return code.
+				 */
+	    pbox->p.x = pbox->p.y = 0;
+	}
+	pbox->q = pbox->p;
+	return code;
+    }
+    /* The stored bounding box may not be up to date. */
+    /* Correct it now if necessary. */
+    if (ppath->box_last == ppath->current_subpath->last) {	/* Box is up to date */
+	*pbox = ppath->bbox;
+    } else {
+	gs_fixed_rect box;
+	const segment *pseg = ppath->box_last;
+
+	if (pseg == 0) {	/* box is uninitialized */
+	    pseg = (const segment *)ppath->first_subpath;
+	    box.p.x = box.q.x = pseg->pt.x;
+	    box.p.y = box.q.y = pseg->pt.y;
+	} else {
+	    box = ppath->bbox;
+	    pseg = pseg->next;
+	}
+/* Macro for adjusting the bounding box when adding a point */
+#define adjust_bbox(pt)\
+  if ( (pt).x < box.p.x ) box.p.x = (pt).x;\
+  else if ( (pt).x > box.q.x ) box.q.x = (pt).x;\
+  if ( (pt).y < box.p.y ) box.p.y = (pt).y;\
+  else if ( (pt).y > box.q.y ) box.q.y = (pt).y
+	while (pseg) {
+	    switch (pseg->type) {
+		case s_curve:
+#define pcurve ((const curve_segment *)pseg)
+		    adjust_bbox(pcurve->p1);
+		    adjust_bbox(pcurve->p2);
+#undef pcurve
+		    /* falls through */
+		default:
+		    adjust_bbox(pseg->pt);
+	    }
+	    pseg = pseg->next;
+	}
+#undef adjust_bbox
+	ppath->bbox = box;
+	ppath->box_last = ppath->current_subpath->last;
+	*pbox = box;
+    }
+    return 0;
+}
+
+/* Test if a path has any curves. */
+#undef gx_path_has_curves
+bool
+gx_path_has_curves(const gx_path * ppath)
+{
+    return gx_path_has_curves_inline(ppath);
+}
+#define gx_path_has_curves(ppath)\
+  gx_path_has_curves_inline(ppath)
+
+/* Test if a path has no segments. */
+#undef gx_path_is_void
+bool
+gx_path_is_void(const gx_path * ppath)
+{
+    return gx_path_is_void_inline(ppath);
+}
+#define gx_path_is_void(ppath)\
+  gx_path_is_void_inline(ppath)
+
+/* Test if a path has no elements at all. */
+bool
+gx_path_is_null(const gx_path * ppath)
+{
+    return gx_path_is_null_inline(ppath);
+}
+
+/*
+ * Test if a subpath is a rectangle; if so, return its bounding box
+ * and the start of the next subpath.
+ * Note that this must recognize:
+ *      ordinary closed rectangles (M, L, L, L, C);
+ *      open rectangles (M, L, L, L);
+ *      rectangles closed with lineto (Mo, L, L, L, Lo);
+ *      rectangles closed with *both* lineto and closepath (bad PostScript,
+ *        but unfortunately not rare) (Mo, L, L, L, Lo, C).
+ */
+gx_path_rectangular_type
+gx_subpath_is_rectangular(const subpath * pseg0, gs_fixed_rect * pbox,
+			  const subpath ** ppnext)
+{
+    const segment *pseg1, *pseg2, *pseg3, *pseg4;
+    gx_path_rectangular_type type;
+
+    if (pseg0->curve_count == 0 &&
+	(pseg1 = pseg0->next) != 0 &&
+	(pseg2 = pseg1->next) != 0 &&
+	(pseg3 = pseg2->next) != 0
+	) {
+	if ((pseg4 = pseg3->next) == 0 || pseg4->type == s_start)
+	    type = prt_open;	/* M, L, L, L */
+	else if (pseg4->type != s_line)		/* must be s_line_close */
+	    type = prt_closed;	/* M, L, L, L, C */
+	else if (pseg4->pt.x != pseg0->pt.x ||
+		 pseg4->pt.y != pseg0->pt.y
+	    )
+	    return prt_none;
+	else if (pseg4->next == 0 || pseg4->next->type == s_start)
+	    type = prt_fake_closed;	/* Mo, L, L, L, Lo */
+	else if (pseg4->next->type != s_line)	/* must be s_line_close */
+	    type = prt_closed;	/* Mo, L, L, L, Lo, C */
+	else
+	    return prt_none;
+	{
+	    fixed x0 = pseg0->pt.x, y0 = pseg0->pt.y;
+	    fixed x2 = pseg2->pt.x, y2 = pseg2->pt.y;
+
+	    if ((x0 == pseg1->pt.x && pseg1->pt.y == y2 &&
+		 x2 == pseg3->pt.x && pseg3->pt.y == y0) ||
+		(x0 == pseg3->pt.x && pseg3->pt.y == y2 &&
+		 x2 == pseg1->pt.x && pseg1->pt.y == y0)
+		) {		/* Path is a rectangle.  Return the bounding box. */
+		if (x0 < x2)
+		    pbox->p.x = x0, pbox->q.x = x2;
+		else
+		    pbox->p.x = x2, pbox->q.x = x0;
+		if (y0 < y2)
+		    pbox->p.y = y0, pbox->q.y = y2;
+		else
+		    pbox->p.y = y2, pbox->q.y = y0;
+		while (pseg4 != 0 && pseg4->type != s_start)
+		    pseg4 = pseg4->next;
+		*ppnext = (const subpath *)pseg4;
+		return type;
+	    }
+	}
+    }
+    return prt_none;
+}
+/* Test if an entire path to be filled is a rectangle. */
+gx_path_rectangular_type
+gx_path_is_rectangular(const gx_path * ppath, gs_fixed_rect * pbox)
+{
+    const subpath *pnext;
+
+    return
+	(gx_path_subpath_count(ppath) == 1 ?
+	 gx_subpath_is_rectangular(ppath->first_subpath, pbox, &pnext) :
+	 prt_none);
+}
+
+/* Translate an already-constructed path (in device space). */
+/* Don't bother to update the cbox. */
+int
+gx_path_translate(gx_path * ppath, fixed dx, fixed dy)
+{
+    segment *pseg;
+
+#define update_xy(pt)\
+  pt.x += dx, pt.y += dy
+    if (ppath->box_last != 0) {
+	update_xy(ppath->bbox.p);
+	update_xy(ppath->bbox.q);
+    }
+    if (path_position_valid(ppath))
+	update_xy(ppath->position);
+    for (pseg = (segment *) (ppath->first_subpath); pseg != 0;
+	 pseg = pseg->next
+	)
+	switch (pseg->type) {
+	    case s_curve:
+#define pcseg ((curve_segment *)pseg)
+		update_xy(pcseg->p1);
+		update_xy(pcseg->p2);
+#undef pcseg
+	    default:
+		update_xy(pseg->pt);
+	}
+#undef update_xy
+    return 0;
+}
+
+/* Scale an existing path by a power of 2 (positive or negative). */
+void
+gx_point_scale_exp2(gs_fixed_point * pt, int sx, int sy)
+{
+    if (sx >= 0)
+	pt->x <<= sx;
+    else
+	pt->x >>= -sx;
+    if (sy >= 0)
+	pt->y <<= sy;
+    else
+	pt->y >>= -sy;
+}
+void
+gx_rect_scale_exp2(gs_fixed_rect * pr, int sx, int sy)
+{
+    gx_point_scale_exp2(&pr->p, sx, sy);
+    gx_point_scale_exp2(&pr->q, sx, sy);
+}
+int
+gx_path_scale_exp2(gx_path * ppath, int log2_scale_x, int log2_scale_y)
+{
+    segment *pseg;
+
+    gx_rect_scale_exp2(&ppath->bbox, log2_scale_x, log2_scale_y);
+#define update_xy(pt) gx_point_scale_exp2(&pt, log2_scale_x, log2_scale_y)
+    update_xy(ppath->position);
+    for (pseg = (segment *) (ppath->first_subpath); pseg != 0;
+	 pseg = pseg->next
+	)
+	switch (pseg->type) {
+	    case s_curve:
+#define pcseg ((curve_segment *)pseg)
+		update_xy(pcseg->p1);
+		update_xy(pcseg->p2);
+#undef pcseg
+	    default:
+		update_xy(pseg->pt);
+	}
+#undef update_xy
+    return 0;
+}
+
+/*
+ * Reverse a path.  We know ppath != ppath_old.
+ * NOTE: in releases 5.01 and earlier, the implicit line added by closepath
+ * became the first segment of the reversed path.  Starting in release
+ * 5.02, the code follows the Adobe implementation, in which this line
+ * becomes the *last* segment of the reversed path.  This can produce some
+ * quite counter-intuitive results.
+ */
+int
+gx_path_copy_reversed(const gx_path * ppath_old, gx_path * ppath)
+{
+    const subpath *psub = ppath_old->first_subpath;
+    int code;
+
+#ifdef DEBUG
+    if (gs_debug_c('P'))
+	gx_dump_path(ppath_old, "before reversepath");
+#endif
+  nsp:while (psub) {
+	const segment *pseg = psub->last;
+	const segment *prev;
+	segment_notes prev_notes =
+	(pseg == (const segment *)psub ? sn_none :
+	 psub->next->notes);
+	segment_notes notes;
+
+	if (!psub->is_closed) {
+	    code = gx_path_add_point(ppath, pseg->pt.x, pseg->pt.y);
+	    if (code < 0)
+		return code;
+	}
+	for (;; pseg = prev, prev_notes = notes) {
+	    prev = pseg->prev;
+	    notes = pseg->notes;
+	    prev_notes = (prev_notes & sn_not_first) |
+		(notes & ~sn_not_first);
+	    switch (pseg->type) {
+		case s_start:
+		    /* Finished subpath */
+		    if (psub->is_closed) {
+			code =
+			    gx_path_close_subpath_notes(ppath,
+							prev_notes);
+			if (code < 0)
+			    return code;
+		    }
+		    psub = (const subpath *)psub->last->next;
+		    goto nsp;
+		case s_curve:
+		    {
+			const curve_segment *pc =
+			(const curve_segment *)pseg;
+
+			code = gx_path_add_curve_notes(ppath,
+						       pc->p2.x, pc->p2.y,
+						       pc->p1.x, pc->p1.y,
+					prev->pt.x, prev->pt.y, prev_notes);
+			break;
+		    }
+		case s_line:
+		    code = gx_path_add_line_notes(ppath,
+					prev->pt.x, prev->pt.y, prev_notes);
+		    break;
+		case s_line_close:
+		    /* Skip the closing line. */
+		    code = gx_path_add_point(ppath, prev->pt.x,
+					     prev->pt.y);
+		    break;
+	    }
+	    if (code < 0)
+		return code;
+	}
+	/* not reached */
+    }
+#undef sn_not_end
+    if (ppath_old->first_subpath == 0 &&
+	path_last_is_moveto(ppath_old)
+	) {			/* The path consists only of a single moveto. */
+	code = gx_path_add_point(ppath, ppath_old->position.x,
+				 ppath_old->position.y);
+	if (code < 0)
+	    return code;
+    }
+#ifdef DEBUG
+    if (gs_debug_c('P'))
+	gx_dump_path(ppath, "after reversepath");
+#endif
+    return 0;
+}
+
+/* ------ Path enumeration ------ */
+
+/* Allocate a path enumerator. */
+gs_path_enum *
+gs_path_enum_alloc(gs_memory_t * mem, client_name_t cname)
+{
+    return gs_alloc_struct(mem, gs_path_enum, &st_path_enum, cname);
+}
+
+/* Start enumerating a path. */
+int
+gx_path_enum_init(gs_path_enum * penum, const gx_path * ppath)
+{
+    penum->memory = 0;		/* path not copied */
+    penum->path = ppath;
+    penum->copied_path = 0;	/* not copied */
+    penum->pseg = (const segment *)ppath->first_subpath;
+    penum->moveto_done = false;
+    penum->notes = sn_none;
+    return 0;
+}
+
+/* Enumerate the next element of a path. */
+/* If the path is finished, return 0; */
+/* otherwise, return the element type. */
+int
+gx_path_enum_next(gs_path_enum * penum, gs_fixed_point ppts[3])
+{
+    const segment *pseg = penum->pseg;
+
+    if (pseg == 0) {		/* We've enumerated all the segments, but there might be */
+	/* a trailing moveto. */
+	const gx_path *ppath = penum->path;
+
+	if (path_last_is_moveto(ppath) && !penum->moveto_done) {	/* Handle a trailing moveto */
+	    penum->moveto_done = true;
+	    penum->notes = sn_none;
+	    ppts[0] = ppath->position;
+	    return gs_pe_moveto;
+	}
+	return 0;
+    }
+    penum->pseg = pseg->next;
+    penum->notes = pseg->notes;
+    switch (pseg->type) {
+	case s_start:
+	    ppts[0] = pseg->pt;
+	    return gs_pe_moveto;
+	case s_line:
+	    ppts[0] = pseg->pt;
+	    return gs_pe_lineto;
+	case s_line_close:
+	    ppts[0] = pseg->pt;
+	    return gs_pe_closepath;
+	case s_curve:
+#define pcseg ((const curve_segment *)pseg)
+	    ppts[0] = pcseg->p1;
+	    ppts[1] = pcseg->p2;
+	    ppts[2] = pseg->pt;
+	    return gs_pe_curveto;
+#undef pcseg
+	default:
+	    lprintf1("bad type %x in gx_path_enum_next!\n", pseg->type);
+	    return_error(gs_error_Fatal);
+    }
+}
+
+/* Return the notes from the last-enumerated segment. */
+segment_notes
+gx_path_enum_notes(const gs_path_enum * penum)
+{
+    return penum->notes;
+}
+
+/* Back up 1 element in the path being enumerated. */
+/* Return true if successful, false if we are at the beginning of the path. */
+/* This implementation allows backing up multiple times, */
+/* but no client currently relies on this. */
+bool
+gx_path_enum_backup(gs_path_enum * penum)
+{
+    const segment *pseg = penum->pseg;
+
+    if (pseg != 0) {
+	if ((pseg = pseg->prev) == 0)
+	    return false;
+	penum->pseg = pseg;
+	return true;
+    }
+    /* We're at the end of the path.  Check to see whether */
+    /* we need to back up over a trailing moveto. */
+    {
+	const gx_path *ppath = penum->path;
+
+	if (path_last_is_moveto(ppath) && penum->moveto_done) {		/* Back up over the trailing moveto. */
+	    penum->moveto_done = false;
+	    return true;
+	} {
+	    const subpath *psub = ppath->current_subpath;
+
+	    if (psub == 0)	/* empty path */
+		return false;
+	    /* Back up to the last segment of the last subpath. */
+	    penum->pseg = psub->last;
+	    return true;
+	}
+    }
+}
diff --git a/pstoraster/gxpcache.h b/pstoraster/gxpcache.h
new file mode 100644
index 000000000..b4f81a65e
--- /dev/null
+++ b/pstoraster/gxpcache.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of Pattern cache */
+
+#ifndef gxpcache_INCLUDED
+#  define gxpcache_INCLUDED
+
+/*
+ * Define a cache for rendered Patterns.  This is currently an open
+ * hash table with single probing (no reprobing) and round-robin
+ * replacement.  Obviously, we can do better in both areas.
+ */
+#ifndef gx_pattern_cache_DEFINED
+#  define gx_pattern_cache_DEFINED
+typedef struct gx_pattern_cache_s gx_pattern_cache;
+
+#endif
+#ifndef gx_color_tile_DEFINED
+#  define gx_color_tile_DEFINED
+typedef struct gx_color_tile_s gx_color_tile;
+
+#endif
+struct gx_pattern_cache_s {
+    gs_memory_t *memory;
+    gx_color_tile *tiles;
+    uint num_tiles;
+    uint tiles_used;
+    uint next;			/* round-robin index */
+    ulong bits_used;
+    ulong max_bits;
+    void (*free_all) (P1(gx_pattern_cache *));
+};
+
+#define private_st_pattern_cache() /* in gxpcmap.c */\
+  gs_private_st_ptrs1(st_pattern_cache, gx_pattern_cache,\
+    "gx_pattern_cache", pattern_cache_enum, pattern_cache_reloc, tiles)
+
+#endif /* gxpcache_INCLUDED */
diff --git a/pstoraster/gxpcmap.c b/pstoraster/gxpcmap.c
new file mode 100644
index 000000000..e43530af5
--- /dev/null
+++ b/pstoraster/gxpcmap.c
@@ -0,0 +1,666 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Pattern color mapping for Ghostscript library */
+#include "math_.h"
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsstruct.h"
+#include "gsutil.h"		/* for gs_next_ids */
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxcspace.h"		/* for gscolor2.h */
+#include "gxcolor2.h"
+#include "gxdcolor.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxpcolor.h"
+#include "gzstate.h"
+#include "gzpath.h"		/* for tweaking sharing flags */
+#include "gzcpath.h"		/* ditto */
+
+/* Define the default size of the Pattern cache. */
+#define max_cached_patterns_LARGE 50
+#define max_pattern_bits_LARGE 100000
+#define max_cached_patterns_SMALL 5
+#define max_pattern_bits_SMALL 1000
+uint
+gx_pat_cache_default_tiles(void)
+{
+#if arch_small_memory
+    return max_cached_patterns_SMALL;
+#else
+    return (gs_debug_c('.') ? max_cached_patterns_SMALL :
+	    max_cached_patterns_LARGE);
+#endif
+}
+ulong
+gx_pat_cache_default_bits(void)
+{
+#if arch_small_memory
+    return max_pattern_bits_SMALL;
+#else
+    return (gs_debug_c('.') ? max_pattern_bits_SMALL :
+	    max_pattern_bits_LARGE);
+#endif
+}
+
+/* Define the structures for Pattern rendering and caching. */
+private_st_color_tile();
+private_st_color_tile_element();
+private_st_pattern_cache();
+private_st_device_pattern_accum();
+
+/* ------ Pattern rendering ------ */
+
+/* Device procedures */
+private dev_proc_open_device(pattern_accum_open);
+private dev_proc_close_device(pattern_accum_close);
+private dev_proc_fill_rectangle(pattern_accum_fill_rectangle);
+private dev_proc_copy_mono(pattern_accum_copy_mono);
+private dev_proc_copy_color(pattern_accum_copy_color);
+private dev_proc_get_bits_rectangle(pattern_accum_get_bits_rectangle);
+
+/* The device descriptor */
+private const gx_device_pattern_accum gs_pattern_accum_device =
+{std_device_std_body_open(gx_device_pattern_accum, 0,
+			  "pattern accumulator",
+			  0, 0, 72, 72),
+ {				/*
+				 * NOTE: all drawing procedures must be defaulted,
+				 * not forwarded.
+				 */
+     pattern_accum_open,
+     NULL,
+     NULL,
+     NULL,
+     pattern_accum_close,
+     NULL,
+     NULL,
+     pattern_accum_fill_rectangle,
+     gx_default_tile_rectangle,
+     pattern_accum_copy_mono,
+     pattern_accum_copy_color,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     NULL,
+     gx_default_copy_alpha,
+     NULL,
+     gx_default_copy_rop,
+     gx_default_fill_path,
+     gx_default_stroke_path,
+     gx_default_fill_mask,
+     gx_default_fill_trapezoid,
+     gx_default_fill_parallelogram,
+     gx_default_fill_triangle,
+     gx_default_draw_thin_line,
+     gx_default_begin_image,
+     gx_default_image_data,
+     gx_default_end_image,
+     gx_default_strip_tile_rectangle,
+     gx_default_strip_copy_rop,
+     gx_get_largest_clipping_box,
+     gx_default_begin_typed_image,
+     pattern_accum_get_bits_rectangle,
+     NULL,
+     NULL,
+     NULL,
+     gx_default_text_begin
+ },
+ 0,				/* target */
+ 0, 0, 0, 0			/* bitmap_memory, bits, mask, instance */
+};
+
+/* Allocate a pattern accumulator, with an initial refct of 0. */
+gx_device_pattern_accum *
+gx_pattern_accum_alloc(gs_memory_t * mem, client_name_t cname)
+{
+    gx_device_pattern_accum *adev =
+    gs_alloc_struct(mem, gx_device_pattern_accum,
+		    &st_device_pattern_accum, cname);
+
+    if (adev == 0)
+	return 0;
+    gx_device_init((gx_device *) adev,
+		   (const gx_device *)&gs_pattern_accum_device,
+		   mem, true);
+    gx_device_forward_fill_in_procs((gx_device_forward *) adev);	/* (should only do once) */
+    return adev;
+}
+
+/*
+ * Initialize a pattern accumulator.
+ * Client must already have set instance and bitmap_memory.
+ *
+ * Note that mask and bits accumulators are only created if necessary.
+ */
+private int
+pattern_accum_open(gx_device * dev)
+{
+    gx_device_pattern_accum *const padev = (gx_device_pattern_accum *) dev;
+    const gs_pattern_instance *pinst = padev->instance;
+    gs_memory_t *mem = padev->bitmap_memory;
+    gx_device_memory *mask = 0;
+    gx_device_memory *bits = 0;
+    /*
+     * The client should preset the target, because the device for which the
+     * pattern is being rendered may not (in general, will not) be the same
+     * as the one that was current when the pattern was instantiated.
+     */
+    gx_device *target =
+	(padev->target == 0 ? gs_currentdevice(pinst->saved) :
+	 padev->target);
+    int width = pinst->size.x;
+    int height = pinst->size.y;
+    int code = 0;
+    bool mask_open = false;
+
+#define PDSET(dev)\
+  (dev)->width = width, (dev)->height = height,\
+  (dev)->x_pixels_per_inch = target->x_pixels_per_inch,\
+  (dev)->y_pixels_per_inch = target->y_pixels_per_inch
+
+    PDSET(padev);
+    padev->color_info = target->color_info;
+
+    if (pinst->uses_mask) {
+        mask = gs_alloc_struct( mem,
+                                gx_device_memory,
+                                &st_device_memory,
+		                "pattern_accum_open(mask)"
+                                );
+        if (mask == 0)
+	    return_error(gs_error_VMerror);
+        gs_make_mem_mono_device(mask, mem, 0);
+        PDSET(mask);
+        mask->bitmap_memory = mem;
+        mask->base = 0;
+        code = (*dev_proc(mask, open_device)) ((gx_device *) mask);
+        if (code >= 0) {
+	    mask_open = true;
+	    memset(mask->base, 0, mask->raster * mask->height);
+	}
+    }
+
+    if (code >= 0) {
+	switch (pinst->template.PaintType) {
+	    case 2:		/* uncolored */
+		padev->target = target;
+		break;
+	    case 1:		/* colored */
+		bits = gs_alloc_struct(mem, gx_device_memory,
+				       &st_device_memory,
+				       "pattern_accum_open(bits)");
+		if (bits == 0)
+		    code = gs_note_error(gs_error_VMerror);
+		else {
+		    padev->target = (gx_device *) bits;
+		    gs_make_mem_device(bits,
+			gdev_mem_device_for_bits(target->color_info.depth),
+				       mem, -1, target);
+		    PDSET(bits);
+#undef PDSET
+		    bits->color_info = target->color_info;
+		    bits->bitmap_memory = mem;
+		    code = (*dev_proc(bits, open_device)) ((gx_device *) bits);
+		}
+	}
+    }
+    if (code < 0) {
+	if (bits != 0)
+	    gs_free_object(mem, bits, "pattern_accum_open(bits)");
+        if (mask != 0) {
+	    if (mask_open)
+		(*dev_proc(mask, close_device)) ((gx_device *) mask);
+	    gs_free_object(mem, mask, "pattern_accum_open(mask)");
+        }
+	return code;
+    }
+    padev->mask = mask;
+    padev->bits = bits;
+    return code;
+}
+
+/* Close an accumulator and free the bits. */
+private int
+pattern_accum_close(gx_device * dev)
+{
+    gx_device_pattern_accum *const padev = (gx_device_pattern_accum *) dev;
+    gs_memory_t *mem = padev->bitmap_memory;
+
+    if (padev->bits != 0) {
+	(*dev_proc(padev->bits, close_device)) ((gx_device *) padev->bits);
+	gs_free_object(mem, padev->bits, "pattern_accum_close(bits)");
+	padev->bits = 0;
+    }
+    if (padev->mask != 0) {
+        (*dev_proc(padev->mask, close_device)) ((gx_device *) padev->mask);
+        gs_free_object(mem, padev->mask, "pattern_accum_close(mask)");
+        padev->mask = 0;
+    }
+    return 0;
+}
+
+/* Fill a rectangle */
+private int
+pattern_accum_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
+			     gx_color_index color)
+{
+    gx_device_pattern_accum *const padev = (gx_device_pattern_accum *) dev;
+
+    if (padev->bits)
+	(*dev_proc(padev->target, fill_rectangle))
+	    (padev->target, x, y, w, h, color);
+    if (padev->mask)
+        return (*dev_proc(padev->mask, fill_rectangle))
+	    ((gx_device *) padev->mask, x, y, w, h, (gx_color_index) 1);
+     else
+        return 0;
+}
+
+/* Copy a monochrome bitmap. */
+private int
+pattern_accum_copy_mono(gx_device * dev, const byte * data, int data_x,
+		    int raster, gx_bitmap_id id, int x, int y, int w, int h,
+			gx_color_index color0, gx_color_index color1)
+{
+    gx_device_pattern_accum *const padev = (gx_device_pattern_accum *) dev;
+
+    if (padev->bits)
+	(*dev_proc(padev->target, copy_mono))
+	    (padev->target, data, data_x, raster, id, x, y, w, h,
+	     color0, color1);
+    if (padev->mask) {
+        if (color0 != gx_no_color_index)
+	    color0 = 1;
+        if (color1 != gx_no_color_index)
+	    color1 = 1;
+        if (color0 == 1 && color1 == 1)
+	    return (*dev_proc(padev->mask, fill_rectangle))
+	        ((gx_device *) padev->mask, x, y, w, h, (gx_color_index) 1);
+        else
+	    return (*dev_proc(padev->mask, copy_mono))
+	        ((gx_device *) padev->mask, data, data_x, raster, id, x, y, w, h,
+	         color0, color1);
+    } else
+        return 0;
+}
+
+/* Copy a color bitmap. */
+private int
+pattern_accum_copy_color(gx_device * dev, const byte * data, int data_x,
+		    int raster, gx_bitmap_id id, int x, int y, int w, int h)
+{
+    gx_device_pattern_accum *const padev = (gx_device_pattern_accum *) dev;
+
+    if (padev->bits)
+	(*dev_proc(padev->target, copy_color))
+	    (padev->target, data, data_x, raster, id, x, y, w, h);
+    if (padev->mask)
+        return (*dev_proc(padev->mask, fill_rectangle))
+	    ((gx_device *) padev->mask, x, y, w, h, (gx_color_index) 1);
+    else
+        return 0;
+}
+
+/* Read back a rectangle of bits. */
+/****** SHOULD USE MASK TO DEFINE UNREAD AREA *****/
+private int
+pattern_accum_get_bits_rectangle(gx_device * dev, const gs_int_rect * prect,
+		       gs_get_bits_params_t * params, gs_int_rect ** unread)
+{
+    gx_device_pattern_accum *const padev = (gx_device_pattern_accum *) dev;
+
+    return (*dev_proc(padev->target, get_bits_rectangle))
+	(padev->target, prect, params, unread);
+}
+
+/* ------ Color space implementation ------ */
+
+/* Free all entries in a pattern cache. */
+private bool
+pattern_cache_choose_all(gx_color_tile * ctile, void *proc_data)
+{
+    return true;
+}
+private void
+pattern_cache_free_all(gx_pattern_cache * pcache)
+{
+    gx_pattern_cache_winnow(pcache, pattern_cache_choose_all, NULL);
+}
+
+/* Allocate a Pattern cache. */
+gx_pattern_cache *
+gx_pattern_alloc_cache(gs_memory_t * mem, uint num_tiles, ulong max_bits)
+{
+    gx_pattern_cache *pcache =
+    gs_alloc_struct(mem, gx_pattern_cache, &st_pattern_cache,
+		    "pattern_cache_alloc(struct)");
+    gx_color_tile *tiles =
+    gs_alloc_struct_array(mem, num_tiles, gx_color_tile,
+			  &st_color_tile_element,
+			  "pattern_cache_alloc(tiles)");
+    uint i;
+
+    if (pcache == 0 || tiles == 0) {
+	gs_free_object(mem, tiles, "pattern_cache_alloc(tiles)");
+	gs_free_object(mem, pcache, "pattern_cache_alloc(struct)");
+	return 0;
+    }
+    pcache->memory = mem;
+    pcache->tiles = tiles;
+    pcache->num_tiles = num_tiles;
+    pcache->tiles_used = 0;
+    pcache->next = 0;
+    pcache->bits_used = 0;
+    pcache->max_bits = max_bits;
+    pcache->free_all = pattern_cache_free_all;
+    for (i = 0; i < num_tiles; tiles++, i++) {
+	tiles->id = gx_no_bitmap_id;
+	/* Clear the pointers to pacify the GC. */
+	uid_set_invalid(&tiles->uid);
+	tiles->tbits.data = 0;
+	tiles->tmask.data = 0;
+	tiles->index = i;
+    }
+    return pcache;
+}
+/* Ensure that an imager has a Pattern cache. */
+private int
+ensure_pattern_cache(gs_imager_state * pis)
+{
+    if (pis->pattern_cache == 0) {
+	gx_pattern_cache *pcache =
+	gx_pattern_alloc_cache(pis->memory,
+			       gx_pat_cache_default_tiles(),
+			       gx_pat_cache_default_bits());
+
+	if (pcache == 0)
+	    return_error(gs_error_VMerror);
+	pis->pattern_cache = pcache;
+    }
+    return 0;
+}
+
+/* Get and set the Pattern cache in a gstate. */
+gx_pattern_cache *
+gstate_pattern_cache(gs_state * pgs)
+{
+    return pgs->pattern_cache;
+}
+void
+gstate_set_pattern_cache(gs_state * pgs, gx_pattern_cache * pcache)
+{
+    pgs->pattern_cache = pcache;
+}
+
+/* Free a Pattern cache entry. */
+private void
+gx_pattern_cache_free_entry(gx_pattern_cache * pcache, gx_color_tile * ctile)
+{
+    gx_device_memory mdev;
+
+    if (ctile->id != gx_no_bitmap_id) {
+	if (ctile->tmask.data != 0) {
+	    mdev.width = ctile->tmask.size.x;
+	    mdev.height = ctile->tmask.size.y;
+	    mdev.color_info.depth = 1;
+	    pcache->bits_used -= gdev_mem_bitmap_size(&mdev);
+	    gs_free_object(pcache->memory, ctile->tmask.data,
+			   "free_pattern_cache_entry(mask data)");
+	    ctile->tmask.data = 0;	/* for GC */
+	}
+	if (ctile->tbits.data != 0) {
+	    mdev.width = ctile->tbits.size.x;
+	    mdev.height = ctile->tbits.size.y;
+	    mdev.color_info.depth = ctile->depth;
+	    pcache->bits_used -= gdev_mem_bitmap_size(&mdev);
+	    gs_free_object(pcache->memory, ctile->tbits.data,
+			   "free_pattern_cache_entry(bits data)");
+	    ctile->tbits.data = 0;	/* for GC */
+	}
+	ctile->id = gx_no_bitmap_id;
+	pcache->tiles_used--;
+    }
+}
+
+/* Add a Pattern cache entry.  This is exported for the interpreter. */
+/* Note that this does not free any of the data in the accumulator */
+/* device, but it may zero out the bitmap_memory pointers to prevent */
+/* the accumulated bitmaps from being freed when the device is closed. */
+private void make_bitmap(P3(gx_strip_bitmap *, const gx_device_memory *, gx_bitmap_id));
+int
+gx_pattern_cache_add_entry(gs_imager_state * pis,
+		   gx_device_pattern_accum * padev, gx_color_tile ** pctile)
+{
+    gx_device_memory *mbits = padev->bits;
+    gx_device_memory *mmask = padev->mask;
+    const gs_pattern_instance *pinst = padev->instance;
+    gx_pattern_cache *pcache;
+    ulong used = 0;
+    gx_bitmap_id id = pinst->id;
+    gx_color_tile *ctile;
+    int code = ensure_pattern_cache(pis);
+
+    if (code < 0)
+	return code;
+    pcache = pis->pattern_cache;
+    /*
+     * Check whether the pattern completely fills its box.
+     * If so, we can avoid the expensive masking operations
+     * when using the pattern.
+     */
+    if (mmask != 0) {
+	int y;
+
+	for (y = 0; y < mmask->height; y++) {
+	    const byte *row = scan_line_base(mmask, y);
+	    int w;
+
+	    for (w = mmask->width; w > 8; w -= 8)
+		if (*row++ != 0xff)
+		    goto keep;
+	    if ((*row | (0xff >> w)) != 0xff)
+		goto keep;
+	}
+	/* We don't need a mask. */
+	mmask = 0;
+      keep:;
+    }
+    if (mbits != 0)
+	used += gdev_mem_bitmap_size(mbits);
+    if (mmask != 0)
+	used += gdev_mem_bitmap_size(mmask);
+    ctile = &pcache->tiles[id % pcache->num_tiles];
+    gx_pattern_cache_free_entry(pcache, ctile);
+    while (pcache->bits_used + used > pcache->max_bits &&
+	   pcache->bits_used != 0	/* allow 1 oversized entry (?) */
+	) {
+	pcache->next = (pcache->next + 1) % pcache->num_tiles;
+	gx_pattern_cache_free_entry(pcache, &pcache->tiles[pcache->next]);
+    }
+    ctile->id = id;
+    ctile->depth = padev->color_info.depth;
+    ctile->uid = pinst->template.uid;
+    ctile->tiling_type = pinst->template.TilingType;
+    ctile->step_matrix = pinst->step_matrix;
+    ctile->bbox = pinst->bbox;
+    ctile->is_simple = pinst->is_simple;
+    if (mbits != 0) {
+	make_bitmap(&ctile->tbits, mbits, gs_next_ids(1));
+	mbits->bitmap_memory = 0;	/* don't free the bits */
+    } else
+	ctile->tbits.data = 0;
+    if (mmask != 0) {
+	make_bitmap(&ctile->tmask, mmask, id);
+	mmask->bitmap_memory = 0;	/* don't free the bits */
+    } else
+	ctile->tmask.data = 0;
+    pcache->bits_used += used;
+    pcache->tiles_used++;
+    *pctile = ctile;
+    return 0;
+}
+private void
+make_bitmap(register gx_strip_bitmap * pbm, const gx_device_memory * mdev,
+	    gx_bitmap_id id)
+{
+    pbm->data = mdev->base;
+    pbm->raster = mdev->raster;
+    pbm->rep_width = pbm->size.x = mdev->width;
+    pbm->rep_height = pbm->size.y = mdev->height;
+    pbm->id = id;
+    pbm->rep_shift = pbm->shift = 0;
+}
+
+/* Purge selected entries from the pattern cache. */
+void
+gx_pattern_cache_winnow(gx_pattern_cache * pcache,
+  bool(*proc) (P2(gx_color_tile * ctile, void *proc_data)), void *proc_data)
+{
+    uint i;
+
+    if (pcache == 0)		/* no cache created yet */
+	return;
+    for (i = 0; i < pcache->num_tiles; ++i) {
+	gx_color_tile *ctile = &pcache->tiles[i];
+
+	if (ctile->id != gx_no_bitmap_id && (*proc) (ctile, proc_data))
+	    gx_pattern_cache_free_entry(pcache, ctile);
+    }
+}
+
+/* Reload a (non-null) Pattern color into the cache. */
+/* *pdc is already set, except for colors.pattern.p_tile and mask.m_tile. */
+int
+gx_pattern_load(gx_device_color * pdc, const gs_imager_state * pis,
+		gx_device * dev, gs_color_select_t select)
+{
+    gx_device_pattern_accum adev;
+    gs_pattern_instance *pinst = pdc->mask.ccolor.pattern;
+    gs_state *saved;
+    gx_color_tile *ctile;
+    gs_memory_t *mem = pis->memory;
+    int code;
+
+    if (gx_pattern_cache_lookup(pdc, pis, dev, select))
+	return 0;
+    /* We REALLY don't like the following cast.... */
+    code = ensure_pattern_cache((gs_imager_state *) pis);
+    if (code < 0)
+	return code;
+    gx_device_init((gx_device *) & adev,
+		   (const gx_device *)&gs_pattern_accum_device,
+		   NULL, true);
+    gx_device_forward_fill_in_procs((gx_device_forward *) & adev);	/* (should only do once) */
+    adev.target = dev;
+    adev.instance = pinst;
+    adev.bitmap_memory = mem;
+    code = (*dev_proc(&adev, open_device)) ((gx_device *) & adev);
+    if (code < 0)
+	return code;
+    saved = gs_gstate(pinst->saved);
+    if (saved == 0)
+	return_error(gs_error_VMerror);
+    if (saved->pattern_cache == 0)
+	saved->pattern_cache = pis->pattern_cache;
+    gx_set_device_only(saved, (gx_device *) & adev);
+    code = (*pinst->template.PaintProc) (&pdc->mask.ccolor, saved);
+    if (code < 0) {
+	(*dev_proc(&adev, close_device)) ((gx_device *) & adev);
+	gs_state_free(saved);
+	return code;
+    }
+    /* We REALLY don't like the following cast.... */
+    code = gx_pattern_cache_add_entry((gs_imager_state *) pis, &adev,
+				      &ctile);
+    if (code >= 0) {
+	if (!gx_pattern_cache_lookup(pdc, pis, dev, select)) {
+	    lprintf("Pattern cache lookup failed after insertion!\n");
+	    code = gs_note_error(gs_error_Fatal);
+	}
+    }
+    /* Free the bookkeeping structures, except for the bits and mask */
+    /* iff they are still needed. */
+    (*dev_proc(&adev, close_device)) ((gx_device *) & adev);
+#ifdef DEBUG
+    if (gs_debug_c('B')) {
+        if (adev.mask)
+	    debug_dump_bitmap(adev.mask->base, adev.mask->raster,
+			      adev.mask->height, "[B]Pattern mask");
+	if (adev.bits)
+	    debug_dump_bitmap(((gx_device_memory *) adev.target)->base,
+			      ((gx_device_memory *) adev.target)->raster,
+			      adev.target->height, "[B]Pattern bits");
+    }
+#endif
+    gs_state_free(saved);
+    return code;
+}
+
+/* Remap a Pattern color. */
+cs_proc_remap_color(gx_remap_Pattern);	/* check the prototype */
+int
+gx_remap_Pattern(const gs_client_color * pc, const gs_color_space * pcs,
+	gx_device_color * pdc, const gs_imager_state * pis, gx_device * dev,
+		 gs_color_select_t select)
+{
+    gs_pattern_instance *pinst = pc->pattern;
+    int code;
+
+    pdc->mask.ccolor = *pc;
+    if (pinst == 0) {
+	/* Null pattern */
+	color_set_null_pattern(pdc);
+	return 0;
+    }
+    if (pinst->template.PaintType == 2) {	/* uncolored */
+	code = (*pcs->params.pattern.base_space.type->remap_color)
+	    (pc, (const gs_color_space *)&pcs->params.pattern.base_space,
+	     pdc, pis, dev, select);
+	if (code < 0)
+	    return code;
+	if (pdc->type == gx_dc_type_pure)
+	    pdc->type = &gx_dc_pure_masked;
+	else if (pdc->type == gx_dc_type_ht_binary)
+	    pdc->type = &gx_dc_binary_masked;
+	else if (pdc->type == gx_dc_type_ht_colored)
+	    pdc->type = &gx_dc_colored_masked;
+	else
+	    return_error(gs_error_unregistered);
+    } else
+	color_set_null_pattern(pdc);
+    pdc->mask.id = pinst->id;
+    pdc->mask.m_tile = 0;
+    return gx_pattern_load(pdc, pis, dev, select);
+}
diff --git a/pstoraster/gxpcolor.h b/pstoraster/gxpcolor.h
new file mode 100644
index 000000000..9b3a0f124
--- /dev/null
+++ b/pstoraster/gxpcolor.h
@@ -0,0 +1,138 @@
+/* Copyright (C) 1993, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmatrix.h, gxdevice.h, gxdevmem.h, gxcolor2.h, gxdcolor.h */
+
+#ifndef gxpcolor_INCLUDED
+#  define gxpcolor_INCLUDED
+
+#include "gxpcache.h"
+
+/*
+ * Define the Pattern device color types.  There is one type for
+ * colored patterns, and one uncolored pattern type for each non-Pattern
+ * device color type.
+ */
+extern const gx_device_color_type_t
+      gx_dc_pattern, gx_dc_pure_masked, gx_dc_binary_masked, gx_dc_colored_masked;
+
+#define gx_dc_type_pattern (&gx_dc_pattern)
+
+/*
+ * Define a color tile, an entry in the rendered Pattern cache (and
+ * eventually in the colored halftone cache).  Note that the depth is
+ * not sufficient to ensure that the rendering matches a given device;
+ * however, we don't currently have an object that represents the
+ * abstraction of a 'color representation'.
+ */
+struct gx_color_tile_s {
+    /* ------ The following are the 'key' in the cache. ------ */
+    /* Note that the id is a generated instance ID, */
+    /* and has no relation to the template's gs_uid. */
+    gx_bitmap_id id;
+    int depth;
+    /* We do, however, copy the template's gs_uid, */
+    /* for use in selective cache purging. */
+    gs_uid uid;
+    /* ------ The following are the cache 'value'. ------ */
+    /* Note that if tbits and tmask both have data != 0, */
+    /* both must have the same rep_shift. */
+/****** NON-ZERO shift VALUES ARE NOT SUPPORTED YET. ******/
+    int tiling_type;		/* TilingType */
+    gs_matrix step_matrix;	/* tiling space -> device space, */
+    /* see gxcolor2.h for details */
+    gs_rect bbox;		/* bbox of tile in tiling space */
+    gx_strip_bitmap tbits;	/* data = 0 if uncolored */
+    gx_strip_bitmap tmask;	/* data = 0 if no mask */
+    /* (i.e., the mask is all 1's) */
+    bool is_simple;		/* true if xstep/ystep = tile size */
+    /* The following is neither key nor value. */
+    uint index;			/* the index of the tile within */
+    /* the cache (for GC) */
+};
+
+#define private_st_color_tile()	/* in gxpcmap.c */\
+  gs_private_st_ptrs2(st_color_tile, gx_color_tile, "gx_color_tile",\
+    color_tile_enum_ptrs, color_tile_reloc_ptrs, tbits.data, tmask.data)
+#define private_st_color_tile_element()	/* in gxpcmap.c */\
+  gs_private_st_element(st_color_tile_element, gx_color_tile,\
+    "gx_color_tile[]", color_tile_elt_enum_ptrs, color_tile_elt_reloc_ptrs,\
+    st_color_tile)
+
+/* Define the Pattern cache. */
+				/*#include "gxpcache.h" *//* (above) */
+
+/* Allocate a Pattern cache. */
+/* We shorten the procedure names because some VMS compilers */
+/* truncate names to 23 characters. */
+uint gx_pat_cache_default_tiles(P0());
+ulong gx_pat_cache_default_bits(P0());
+gx_pattern_cache *gx_pattern_alloc_cache(P3(gs_memory_t *, uint, ulong));
+
+/* Get or set the Pattern cache in a gstate. */
+gx_pattern_cache *gstate_pattern_cache(P1(gs_state *));
+void gstate_set_pattern_cache(P2(gs_state *, gx_pattern_cache *));
+
+/*
+ * Define a device for accumulating the rendering of a Pattern.
+ * This is actually a wrapper for two other devices: one that accumulates
+ * the actual pattern image (if this is a colored pattern), and one that
+ * accumulates a mask defining which pixels in the image are set.
+ */
+typedef struct gx_device_pattern_accum_s {
+    gx_device_forward_common;
+    /* Client sets these before opening */
+    gs_memory_t *bitmap_memory;
+    const gs_pattern_instance *instance;
+    /* open sets these */
+    gx_device_memory *bits;	/* target also points to bits */
+    gx_device_memory *mask;
+} gx_device_pattern_accum;
+
+#define private_st_device_pattern_accum() /* in gxpcmap.c */\
+  gs_private_st_suffix_add3(st_device_pattern_accum, gx_device_pattern_accum,\
+    "pattern accumulator", pattern_accum_enum, pattern_accum_reloc,\
+    st_device_forward, instance, bits, mask)
+
+/* Allocate a pattern accumulator. */
+gx_device_pattern_accum *gx_pattern_accum_alloc(P2(gs_memory_t * memory, client_name_t));
+
+/* Add an accumulated pattern to the cache. */
+/* Note that this does not free any of the data in the accumulator */
+/* device, but it may zero out the bitmap_memory pointers to prevent */
+/* the accumulated bitmaps from being freed when the device is closed. */
+int gx_pattern_cache_add_entry(P3(gs_imager_state *, gx_device_pattern_accum *,
+				  gx_color_tile **));
+
+/* Look up a pattern color in the cache. */
+bool gx_pattern_cache_lookup(P4(gx_device_color *, const gs_imager_state *,
+				gx_device *, gs_color_select_t));
+
+/* Purge selected entries from the pattern cache. */
+void gx_pattern_cache_winnow(P3(gx_pattern_cache *,
+				bool (*)(P2(gx_color_tile *, void *)),
+				void *));
+
+#endif /* gxpcolor_INCLUDED */
diff --git a/pstoraster/gxpcopy.c b/pstoraster/gxpcopy.c
new file mode 100644
index 000000000..cf917f10e
--- /dev/null
+++ b/pstoraster/gxpcopy.c
@@ -0,0 +1,824 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Path copying and flattening */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gconfigv.h"		/* for USE_FPU */
+#include "gxfixed.h"
+#include "gxfarith.h"
+#include "gzpath.h"
+
+/* Forward declarations */
+private void adjust_point_to_tangent(P3(segment *, const segment *,
+					const gs_fixed_point *));
+private int monotonize_internal(P2(gx_path *, const curve_segment *));
+
+/* Copy a path, optionally flattening or monotonizing it. */
+/* If the copy fails, free the new path. */
+int
+gx_path_copy_reducing(const gx_path * ppath_old, gx_path * ppath,
+		      fixed fixed_flatness, gx_path_copy_options options)
+{
+    const segment *pseg;
+
+    /*
+     * Since we're going to be adding to the path, unshare it
+     * before we start.
+     */
+    int code = gx_path_unshare(ppath);
+
+    if (code < 0)
+	return code;
+#ifdef DEBUG
+    if (gs_debug_c('P'))
+	gx_dump_path(ppath_old, "before reducing");
+#endif
+    pseg = (const segment *)(ppath_old->first_subpath);
+    while (pseg) {
+	switch (pseg->type) {
+	    case s_start:
+		code = gx_path_add_point(ppath,
+					 pseg->pt.x, pseg->pt.y);
+		break;
+	    case s_curve:
+		{
+		    const curve_segment *pc = (const curve_segment *)pseg;
+
+		    if (fixed_flatness == max_fixed) {	/* don't flatten */
+			if (options & pco_monotonize)
+			    code = monotonize_internal(ppath, pc);
+			else
+			    code = gx_path_add_curve_notes(ppath,
+				     pc->p1.x, pc->p1.y, pc->p2.x, pc->p2.y,
+					   pc->pt.x, pc->pt.y, pseg->notes);
+		    } else {
+			fixed x0 = ppath->position.x;
+			fixed y0 = ppath->position.y;
+			int k = gx_curve_log2_samples(x0, y0, pc,
+						      fixed_flatness);
+			segment_notes notes = pseg->notes;
+			segment *start;
+			curve_segment cseg;
+
+			if (options & pco_accurate) {	/* Add an extra line, which will become */
+			    /* the tangent segment. */
+			    code = gx_path_add_line_notes(ppath, x0, y0,
+							  notes);
+			    if (code < 0)
+				break;
+			    start = ppath->current_subpath->last;
+			    notes |= sn_not_first;
+			}
+			cseg = *pc;
+			code = gx_flatten_sample(ppath, k, &cseg, notes);
+			if (options & pco_accurate) {	/*
+							 * Adjust the first and last segments so that
+							 * they line up with the tangents.
+							 */
+			    segment *end = ppath->current_subpath->last;
+
+			    if (code < 0 ||
+				(code = gx_path_add_line_notes(ppath,
+							  ppath->position.x,
+							  ppath->position.y,
+					    pseg->notes | sn_not_first)) < 0
+				)
+				break;
+			    adjust_point_to_tangent(start, start->next,
+						    &pc->p1);
+			    adjust_point_to_tangent(end, end->prev,
+						    &pc->p2);
+			}
+		    }
+		    break;
+		}
+	    case s_line:
+		code = gx_path_add_line_notes(ppath,
+				       pseg->pt.x, pseg->pt.y, pseg->notes);
+		break;
+	    case s_line_close:
+		code = gx_path_close_subpath(ppath);
+		break;
+	    default:		/* can't happen */
+		code = gs_note_error(gs_error_unregistered);
+	}
+	if (code < 0) {
+	    gx_path_new(ppath);
+	    return code;
+	}
+	pseg = pseg->next;
+    }
+    if (path_last_is_moveto(ppath_old))
+	gx_path_add_point(ppath, ppath_old->position.x,
+			  ppath_old->position.y);
+#ifdef DEBUG
+    if (gs_debug_c('P'))
+	gx_dump_path(ppath, "after reducing");
+#endif
+    return 0;
+}
+
+/*
+ * Adjust one end of a line (the first or last line of a flattened curve)
+ * so it falls on the curve tangent.  The closest point on the line from
+ * (0,0) to (C,D) to a point (U,V) -- i.e., the point on the line at which
+ * a perpendicular line from the point intersects it -- is given by
+ *      T = (C*U + D*V) / (C^2 + D^2)
+ *      (X,Y) = (C*T,D*T)
+ * However, any smaller value of T will also work: the one we actually
+ * use is 0.25 * the value we just derived.  We must check that
+ * numerical instabilities don't lead to a negative value of T.
+ */
+private void
+adjust_point_to_tangent(segment * pseg, const segment * next,
+			const gs_fixed_point * p1)
+{
+    const fixed x0 = pseg->pt.x, y0 = pseg->pt.y;
+    const fixed fC = p1->x - x0, fD = p1->y - y0;
+
+    /*
+     * By far the commonest case is that the end of the curve is
+     * horizontal or vertical.  Check for this specially, because
+     * we can handle it with far less work (and no floating point).
+     */
+    if (fC == 0) {
+	/* Vertical tangent. */
+	const fixed DT = arith_rshift(next->pt.y - y0, 2);
+
+	if (fD == 0)
+	    return;		/* anomalous case */
+	if_debug1('2', "[2]adjusting vertical: DT = %g\n",
+		  fixed2float(DT));
+	if (DT > 0)
+	    pseg->pt.y = DT + y0;
+    } else if (fD == 0) {
+	/* Horizontal tangent. */
+	const fixed CT = arith_rshift(next->pt.x - x0, 2);
+
+	if_debug1('2', "[2]adjusting horizontal: CT = %g\n",
+		  fixed2float(CT));
+	if (CT > 0)
+	    pseg->pt.x = CT + x0;
+    } else {
+	/* General case. */
+	const double C = fC, D = fD;
+	const double T = (C * (next->pt.x - x0) + D * (next->pt.y - y0)) /
+	(C * C + D * D);
+
+	if_debug3('2', "[2]adjusting: C = %g, D = %g, T = %g\n",
+		  C, D, T);
+	if (T > 0) {
+	    pseg->pt.x = arith_rshift((fixed) (C * T), 2) + x0;
+	    pseg->pt.y = arith_rshift((fixed) (D * T), 2) + y0;
+	}
+    }
+}
+
+/* ---------------- Curve flattening ---------------- */
+
+#define x1 pc->p1.x
+#define y1 pc->p1.y
+#define x2 pc->p2.x
+#define y2 pc->p2.y
+#define x3 pc->pt.x
+#define y3 pc->pt.y
+
+#ifdef DEBUG
+private void
+dprint_curve(const char *str, fixed x0, fixed y0, const curve_segment * pc)
+{
+    dlprintf9("%s p0=(%g,%g) p1=(%g,%g) p2=(%g,%g) p3=(%g,%g)\n",
+	      str, fixed2float(x0), fixed2float(y0),
+	      fixed2float(pc->p1.x), fixed2float(pc->p1.y),
+	      fixed2float(pc->p2.x), fixed2float(pc->p2.y),
+	      fixed2float(pc->pt.x), fixed2float(pc->pt.y));
+}
+#endif
+
+/* Initialize a cursor for rasterizing a monotonic curve. */
+void
+gx_curve_cursor_init(curve_cursor * prc, fixed x0, fixed y0,
+		     const curve_segment * pc, int k)
+{
+    fixed v01, v12;
+    int k2 = k + k, k3 = k2 + k;
+
+#define bits_fit(v, n)\
+  (any_abs(v) <= max_fixed >> (n))
+/* The +2s are because of t3d and t2d, see below. */
+#define coeffs_fit(a, b, c)\
+  (k3 <= sizeof(fixed) * 8 - 3 &&\
+   bits_fit(a, k3 + 2) && bits_fit(b, k2 + 2) && bits_fit(c, k + 1))
+
+    prc->k = k;
+    prc->p0.x = x0, prc->p0.y = y0;
+    prc->pc = pc;
+    /* Compute prc->a..c taking into account reversal of xy0/3 */
+    /* in curve_x_at_y. */
+    {
+	fixed w0, w1, w2, w3;
+
+	if (y0 < y3)
+	    w0 = x0, w1 = x1, w2 = x2, w3 = x3;
+	else
+	    w0 = x3, w1 = x2, w2 = x1, w3 = x0;
+	curve_points_to_coefficients(w0, w1, w2, w3,
+				     prc->a, prc->b, prc->c, v01, v12);
+    }
+    prc->double_set = false;
+    prc->fixed_limit =
+	(coeffs_fit(prc->a, prc->b, prc->c) ? (1 << k) - 1 : -1);
+    /* Initialize the cache. */
+    prc->cache.ky0 = prc->cache.ky3 = y0;
+    prc->cache.xl = x0;
+    prc->cache.xd = 0;
+}
+
+/*
+ * Determine the X value on a monotonic curve at a given Y value.  It turns
+ * out that we use so few points on the curve that it's actually faster to
+ * locate the desired point by recursive subdivision each time than to try
+ * to keep a cursor that we move incrementally.  What's even more surprising
+ * is that if floating point arithmetic is reasonably fast, it's faster to
+ * compute the X value at the desired point explicitly than to do the
+ * recursive subdivision on X as well as Y.
+ */
+#define SUBDIVIDE_X USE_FPU_FIXED
+fixed
+gx_curve_x_at_y(curve_cursor * prc, fixed y)
+{
+    fixed xl, xd;
+    fixed yd, yrel;
+
+    /* Check the cache before doing anything else. */
+    if (y >= prc->cache.ky0 && y <= prc->cache.ky3) {
+	yd = prc->cache.ky3 - prc->cache.ky0;
+	yrel = y - prc->cache.ky0;
+	xl = prc->cache.xl;
+	xd = prc->cache.xd;
+	goto done;
+    } {
+#define x0 prc->p0.x
+#define y0 prc->p0.y
+	const curve_segment *pc = prc->pc;
+
+	/* Reduce case testing by ensuring y3 >= y0. */
+	fixed cy0 = y0, cy1, cy2, cy3 = y3;
+	fixed cx0;
+
+#if SUBDIVIDE_X
+	fixed cx1, cx2, cx3;
+
+#else
+	int t = 0;
+
+#endif
+	int k, i;
+
+	if (cy0 > cy3)
+	    cx0 = x3,
+#if SUBDIVIDE_X
+		cx1 = x2, cx2 = x1, cx3 = x0,
+#endif
+		cy0 = y3, cy1 = y2, cy2 = y1, cy3 = y0;
+	else
+	    cx0 = x0,
+#if SUBDIVIDE_X
+		cx1 = x1, cx2 = x2, cx3 = x3,
+#endif
+		cy1 = y1, cy2 = y2;
+#define midpoint_fast(a,b)\
+  arith_rshift_1((a) + (b) + 1)
+	for (i = k = prc->k; i > 0; --i) {
+	    fixed ym = midpoint_fast(cy1, cy2);
+	    fixed yn = ym + arith_rshift(cy0 - cy1 - cy2 + cy3 + 4, 3);
+
+#if SUBDIVIDE_X
+	    fixed xm = midpoint_fast(cx1, cx2);
+	    fixed xn = xm + arith_rshift(cx0 - cx1 - cx2 + cx3 + 4, 3);
+
+#else
+	    t <<= 1;
+#endif
+
+	    if (y < yn)
+#if SUBDIVIDE_X
+		cx1 = midpoint_fast(cx0, cx1),
+		    cx2 = midpoint_fast(cx1, xm),
+		    cx3 = xn,
+#endif
+		    cy1 = midpoint_fast(cy0, cy1),
+		    cy2 = midpoint_fast(cy1, ym),
+		    cy3 = yn;
+	    else
+#if SUBDIVIDE_X
+		cx2 = midpoint_fast(cx2, cx3),
+		    cx1 = midpoint_fast(xm, cx2),
+		    cx0 = xn,
+#else
+		t++,
+#endif
+		    cy2 = midpoint_fast(cy2, cy3),
+		    cy1 = midpoint_fast(ym, cy2),
+		    cy0 = yn;
+	}
+#if SUBDIVIDE_X
+	xl = cx0;
+	xd = cx3 - cx0;
+#else
+	{
+	    fixed a = prc->a, b = prc->b, c = prc->c;
+
+/* We must use (1 << k) >> 1 instead of 1 << (k - 1) in case k == 0. */
+#define compute_fixed(a, b, c)\
+  arith_rshift(arith_rshift(arith_rshift(a * t3, k) + b * t2, k)\
+	       + c * t + ((1 << k) >> 1), k)
+#define compute_diff_fixed(a, b, c)\
+  arith_rshift(arith_rshift(arith_rshift(a * t3d, k) + b * t2d, k)\
+	       + c, k)
+
+	    /* use multiply if possible */
+#define np2(n) (1.0 / (1L << (n)))
+	    static const double k_denom[11] =
+	    {np2(0), np2(1), np2(2), np2(3), np2(4),
+	     np2(5), np2(6), np2(7), np2(8), np2(9), np2(10)
+	    };
+	    static const double k2_denom[11] =
+	    {np2(0), np2(2), np2(4), np2(6), np2(8),
+	     np2(10), np2(12), np2(14), np2(16), np2(18), np2(20)
+	    };
+	    static const double k3_denom[11] =
+	    {np2(0), np2(3), np2(6), np2(9), np2(12),
+	     np2(15), np2(18), np2(21), np2(24), np2(27), np2(30)
+	    };
+	    double den1, den2;
+
+#undef np2
+
+#define setup_floating(da, db, dc, a, b, c)\
+  (k >= countof(k_denom) ?\
+   (den1 = ldexp(1.0, -k),\
+    den2 = den1 * den1,\
+    da = (den2 * den1) * a,\
+    db = den2 * b,\
+    dc = den1 * c) :\
+   (da = k3_denom[k] * a,\
+    db = k2_denom[k] * b,\
+    dc = k_denom[k] * c))
+#define compute_floating(da, db, dc)\
+  ((fixed)(da * t3 + db * t2 + dc * t + 0.5))
+#define compute_diff_floating(da, db, dc)\
+  ((fixed)(da * t3d + db * t2d + dc))
+
+	    if (t <= prc->fixed_limit) {	/* We can do everything in integer/fixed point. */
+		int t2 = t * t, t3 = t2 * t;
+		int t3d = (t2 + t) * 3 + 1, t2d = t + t + 1;
+
+		xl = compute_fixed(a, b, c) + cx0;
+		xd = compute_diff_fixed(a, b, c);
+#ifdef DEBUG
+		{
+		    double fa, fb, fc;
+		    fixed xlf, xdf;
+
+		    setup_floating(fa, fb, fc, a, b, c);
+		    xlf = compute_floating(fa, fb, fc) + cx0;
+		    xdf = compute_diff_floating(fa, fb, fc);
+		    if (any_abs(xlf - xl) > fixed_epsilon ||
+			any_abs(xdf - xd) > fixed_epsilon
+			)
+			dlprintf9("Curve points differ: k=%d t=%d a,b,c=%g,%g,%g\n   xl,xd fixed=%g,%g floating=%g,%g\n",
+				  k, t,
+			     fixed2float(a), fixed2float(b), fixed2float(c),
+				  fixed2float(xl), fixed2float(xd),
+				  fixed2float(xlf), fixed2float(xdf));
+/*xl = xlf, xd = xdf; */
+		}
+#endif
+	    } else {		/*
+				 * Either t3 (and maybe t2) won't fit in an int, or more
+				 * likely the result of the multiplies won't fit.
+				 */
+#define fa prc->da
+#define fb prc->db
+#define fc prc->dc
+		if (!prc->double_set) {
+		    setup_floating(fa, fb, fc, a, b, c);
+		    prc->double_set = true;
+		}
+		if (t < 1L << ((sizeof(long) * 8 - 1) / 3)) {	/*
+								 * t3 (and maybe t2) might not fit in an int, but they
+								 * will fit in a long.  If we have slow floating point,
+								 * do the computation in double-precision fixed point,
+								 * otherwise do it in fixed point.
+								 */
+		    long t2 = (long)t * t, t3 = t2 * t;
+		    long t3d = (t2 + t) * 3 + 1, t2d = t + t + 1;
+
+		    xl = compute_floating(fa, fb, fc) + cx0;
+		    xd = compute_diff_floating(fa, fb, fc);
+		} else {	/*
+				 * t3 (and maybe t2) don't even fit in a long.
+				 * Do the entire computation in floating point.
+				 */
+		    double t2 = (double)t * t, t3 = t2 * t;
+		    double t3d = (t2 + t) * 3 + 1, t2d = t + t + 1;
+
+		    xl = compute_floating(fa, fb, fc) + cx0;
+		    xd = compute_diff_floating(fa, fb, fc);
+		}
+#undef fa
+#undef fb
+#undef fc
+	    }
+	}
+#endif /* (!)SUBDIVIDE_X */
+
+	/* Update the cache. */
+	prc->cache.ky0 = cy0;
+	prc->cache.ky3 = cy3;
+	prc->cache.xl = xl;
+	prc->cache.xd = xd;
+	yd = cy3 - cy0;
+	yrel = y - cy0;
+#undef x0
+#undef y0
+    }
+  done:
+    /*
+     * Now interpolate linearly between current and next.
+     * We know that 0 <= yrel < yd.
+     * It's unlikely but possible that cy0 = y = cy3:
+     * handle this case specially.
+     */
+    if (yrel == 0)
+	return xl;
+    /*
+     * Compute in fixed point if possible.
+     */
+#define half_fixed_bits ((fixed)1 << (sizeof(fixed) * 4))
+    if (yrel < half_fixed_bits) {
+	if (xd >= 0) {
+	    if (xd < half_fixed_bits)
+		return (ufixed) xd *(ufixed) yrel / (ufixed) yd + xl;
+	} else {
+	    if (xd > -half_fixed_bits)
+		return -(fixed) ((ufixed) (-xd) * (ufixed) yrel / (ufixed) yd) + xl;
+	}
+    }
+#undef half_fixed_bits
+    return fixed_mult_quo(xd, yrel, yd) + xl;
+}
+
+#undef x1
+#undef y1
+#undef x2
+#undef y2
+#undef x3
+#undef y3
+
+/* ---------------- Monotonic curves ---------------- */
+
+/* Test whether a path is free of non-monotonic curves. */
+bool
+gx_path_is_monotonic(const gx_path * ppath)
+{
+    const segment *pseg = (const segment *)(ppath->first_subpath);
+    gs_fixed_point pt0;
+
+    while (pseg) {
+	switch (pseg->type) {
+	    case s_start:
+		{
+		    const subpath *psub = (const subpath *)pseg;
+
+		    /* Skip subpaths without curves. */
+		    if (!psub->curve_count)
+			pseg = psub->last;
+		}
+		break;
+	    case s_curve:
+		{
+		    const curve_segment *pc = (const curve_segment *)pseg;
+		    double t[2];
+		    int nz = gx_curve_monotonic_points(pt0.y,
+					   pc->p1.y, pc->p2.y, pc->pt.y, t);
+
+		    if (nz != 0)
+			return false;
+		    nz = gx_curve_monotonic_points(pt0.x,
+					   pc->p1.x, pc->p2.x, pc->pt.x, t);
+		    if (nz != 0)
+			return false;
+		}
+		break;
+	    default:
+		;
+	}
+	pt0 = pseg->pt;
+	pseg = pseg->next;
+    }
+    return true;
+}
+
+/* Monotonize a curve, by splitting it if necessary. */
+/* In the worst case, this could split the curve into 9 pieces. */
+private int
+monotonize_internal(gx_path * ppath, const curve_segment * pc)
+{
+    fixed x0 = ppath->position.x, y0 = ppath->position.y;
+    segment_notes notes = pc->notes;
+    double t[2];
+
+#define max_segs 9
+    curve_segment cs[max_segs];
+    const curve_segment *pcs;
+    curve_segment *pcd;
+    int i, j, nseg;
+    int nz;
+
+    /* Monotonize in Y. */
+    nz = gx_curve_monotonic_points(y0, pc->p1.y, pc->p2.y, pc->pt.y, t);
+    nseg = max_segs - 1 - nz;
+    pcd = cs + nseg;
+    if (nz == 0)
+	*pcd = *pc;
+    else {
+	gx_curve_split(x0, y0, pc, t[0], pcd, pcd + 1);
+	if (nz == 2)
+	    gx_curve_split(pcd->pt.x, pcd->pt.y, pcd + 1,
+			   (t[1] - t[0]) / (1 - t[0]),
+			   pcd + 1, pcd + 2);
+    }
+
+    /* Monotonize in X. */
+    for (pcs = pcd, pcd = cs, j = nseg; j < max_segs; ++pcs, ++j) {
+	nz = gx_curve_monotonic_points(x0, pcs->p1.x, pcs->p2.x,
+				       pcs->pt.x, t);
+
+	if (nz == 0)
+	    *pcd = *pcs;
+	else {
+	    gx_curve_split(x0, y0, pcs, t[0], pcd, pcd + 1);
+	    if (nz == 2)
+		gx_curve_split(pcd->pt.x, pcd->pt.y, pcd + 1,
+			       (t[1] - t[0]) / (1 - t[0]),
+			       pcd + 1, pcd + 2);
+	}
+	pcd += nz + 1;
+	x0 = pcd[-1].pt.x;
+	y0 = pcd[-1].pt.y;
+    }
+    nseg = pcd - cs;
+
+    /* Add the segment(s) to the output. */
+#ifdef DEBUG
+    if (gs_debug_c('2')) {
+	int pi;
+	gs_fixed_point pp0;
+
+	pp0 = ppath->position;
+	if (nseg == 1)
+	    dprint_curve("[2]No split", pp0.x, pp0.y, pc);
+	else {
+	    dlprintf1("[2]Split into %d segments:\n", nseg);
+	    dprint_curve("[2]Original", pp0.x, pp0.y, pc);
+	    for (pi = 0; pi < nseg; ++pi) {
+		dprint_curve("[2] =>", pp0.x, pp0.y, cs + pi);
+		pp0 = cs[pi].pt;
+	    }
+	}
+    }
+#endif
+    for (pcs = cs, i = 0; i < nseg; ++pcs, ++i) {
+	int code = gx_path_add_curve_notes(ppath, pcs->p1.x, pcs->p1.y,
+					   pcs->p2.x, pcs->p2.y,
+					   pcs->pt.x, pcs->pt.y,
+					   notes |
+					   (i > 0 ? sn_not_first :
+					    sn_none));
+
+	if (code < 0)
+	    return code;
+    }
+
+    return 0;
+}
+
+/*
+ * Split a curve if necessary into pieces that are monotonic in X or Y as a
+ * function of the curve parameter t.  This allows us to rasterize curves
+ * directly without pre-flattening.  This takes a fair amount of analysis....
+ * Store the values of t of the split points in pst[0] and pst[1].  Return
+ * the number of split points (0, 1, or 2).
+ */
+int
+gx_curve_monotonic_points(fixed v0, fixed v1, fixed v2, fixed v3,
+			  double pst[2])
+{
+    /*
+       Let
+       v(t) = a*t^3 + b*t^2 + c*t + d, 0 <= t <= 1.
+       Then
+       dv(t) = 3*a*t^2 + 2*b*t + c.
+       v(t) has a local minimum or maximum (or inflection point)
+       precisely where dv(t) = 0.  Now the roots of dv(t) = 0 (i.e.,
+       the zeros of dv(t)) are at
+       t =  ( -2*b +/- sqrt(4*b^2 - 12*a*c) ) / 6*a
+       =    ( -b +/- sqrt(b^2 - 3*a*c) ) / 3*a
+       (Note that real roots exist iff b^2 >= 3*a*c.)
+       We want to know if these lie in the range (0..1).
+       (The endpoints don't count.)  Call such a root a "valid zero."
+       Since computing the roots is expensive, we would like to have
+       some cheap tests to filter out cases where they don't exist
+       (i.e., where the curve is already monotonic).
+     */
+    fixed v01, v12, a, b, c, b2, a3;
+    fixed dv_end, b2abs, a3abs;
+
+    curve_points_to_coefficients(v0, v1, v2, v3, a, b, c, v01, v12);
+    b2 = b << 1;
+    a3 = (a << 1) + a;
+    /*
+       If a = 0, the only possible zero is t = -c / 2*b.
+       This zero is valid iff sign(c) != sign(b) and 0 < |c| < 2*|b|.
+     */
+    if (a == 0) {
+	if ((b ^ c) < 0 && any_abs(c) < any_abs(b2) && c != 0) {
+	    *pst = (double)(-c) / b2;
+	    return 1;
+	} else
+	    return 0;
+    }
+    /*
+       Iff a curve is horizontal at t = 0, c = 0.  In this case,
+       there can be at most one other zero, at -2*b / 3*a.
+       This zero is valid iff sign(a) != sign(b) and 0 < 2*|b| < 3*|a|.
+     */
+    if (c == 0) {
+	if ((a ^ b) < 0 && any_abs(b2) < any_abs(a3) && b != 0) {
+	    *pst = (double)(-b2) / a3;
+	    return 1;
+	} else
+	    return 0;
+    }
+    /*
+       Similarly, iff a curve is horizontal at t = 1, 3*a + 2*b + c = 0.
+       In this case, there can be at most one other zero,
+       at -1 - 2*b / 3*a, iff sign(a) != sign(b) and 1 < -2*b / 3*a < 2,
+       i.e., 3*|a| < 2*|b| < 6*|a|.
+     */
+    else if ((dv_end = a3 + b2 + c) == 0) {
+	if ((a ^ b) < 0 &&
+	    (b2abs = any_abs(b2)) > (a3abs = any_abs(a3)) &&
+	    b2abs < a3abs << 1
+	    ) {
+	    *pst = (double)(-b2 - a3) / a3;
+	    return 1;
+	} else
+	    return 0;
+    }
+    /*
+       If sign(dv_end) != sign(c), at least one valid zero exists,
+       since dv(0) and dv(1) have opposite signs and hence
+       dv(t) must be zero somewhere in the interval [0..1].
+     */
+    else if ((dv_end ^ c) < 0);
+    /*
+       If sign(a) = sign(b), no valid zero exists,
+       since dv is monotonic on [0..1] and has the same sign
+       at both endpoints.
+     */
+    else if ((a ^ b) >= 0)
+	return 0;
+    /*
+       Otherwise, dv(t) may be non-monotonic on [0..1]; it has valid zeros
+       iff its sign anywhere in this interval is different from its sign
+       at the endpoints, which occurs iff it has an extremum in this
+       interval and the extremum is of the opposite sign from c.
+       To find this out, we look for the local extremum of dv(t)
+       by observing
+       d2v(t) = 6*a*t + 2*b
+       which has a zero only at
+       t1 = -b / 3*a
+       Now if t1 <= 0 or t1 >= 1, no valid zero exists.
+       Note that we just determined that sign(a) != sign(b), so we know t1 > 0.
+     */
+    else if (any_abs(b) >= any_abs(a3))
+	return 0;
+    /*
+       Otherwise, we just go ahead with the computation of the roots,
+       and test them for being in the correct range.  Note that a valid
+       zero is an inflection point of v(t) iff d2v(t) = 0; we don't
+       bother to check for this case, since it's rare.
+     */
+    {
+	double nbf = (double)(-b);
+	double a3f = (double)a3;
+	double radicand = nbf * nbf - a3f * c;
+
+	if (radicand < 0) {
+	    if_debug1('2', "[2]negative radicand = %g\n", radicand);
+	    return 0;
+	} {
+	    double root = sqrt(radicand);
+	    int nzeros = 0;
+	    double z = (nbf - root) / a3f;
+
+	    /*
+	     * We need to return the zeros in the correct order.
+	     * We know that root is non-negative, but a3f may be either
+	     * positive or negative, so we need to check the ordering
+	     * explicitly.
+	     */
+	    if_debug2('2', "[2]zeros at %g, %g\n", z, (nbf + root) / a3f);
+	    if (z > 0 && z < 1)
+		*pst = z, nzeros = 1;
+	    if (root != 0) {
+		z = (nbf + root) / a3f;
+		if (z > 0 && z < 1) {
+		    if (nzeros && a3f < 0)	/* order is reversed */
+			pst[1] = *pst, *pst = z;
+		    else
+			pst[nzeros] = z;
+		    nzeros++;
+		}
+	    }
+	    return nzeros;
+	}
+    }
+}
+
+/*
+ * Split a curve at an arbitrary point t.  The above midpoint split is a
+ * special case of this with t = 0.5.
+ */
+void
+gx_curve_split(fixed x0, fixed y0, const curve_segment * pc, double t,
+	       curve_segment * pc1, curve_segment * pc2)
+{				/*
+				 * If the original function was v(t), we want to compute the points
+				 * for the functions v1(T) = v(t * T) and v2(T) = v(t + (1 - t) * T).
+				 * Straightforwardly,
+				 *      v1(T) = a*t^3*T^3 + b*t^2*T^2 + c*t*T + d
+				 * i.e.
+				 *      a1 = a*t^3, b1 = b*t^2, c1 = c*t, d1 = d.
+				 * Similarly,
+				 *      v2(T) = a*[t + (1-t)*T]^3 + b*[t + (1-t)*T]^2 +
+				 *              c*[t + (1-t)*T] + d
+				 *            = a*[(1-t)^3*T^3 + 3*t*(1-t)^2*T^2 + 3*t^2*(1-t)*T +
+				 *                 t^3] + b*[(1-t)^2*T^2 + 2*t*(1-t)*T + t^2] +
+				 *                 c*[(1-t)*T + t] + d
+				 *            = a*(1-t)^3*T^3 + [a*3*t + b]*(1-t)^2*T^2 +
+				 *                 [a*3*t^2 + b*2*t + c]*(1-t)*T +
+				 *                 a*t^3 + b*t^2 + c*t + d
+				 * We do this in the simplest way, namely, we convert the points to
+				 * coefficients, do the arithmetic, and convert back.  It would
+				 * obviously be faster to do the arithmetic directly on the points,
+				 * as the midpoint code does; this is just an implementation issue
+				 * that we can revisit if necessary.
+				 */
+    double t2 = t * t, t3 = t2 * t;
+    double omt = 1 - t, omt2 = omt * omt, omt3 = omt2 * omt;
+    fixed v01, v12, a, b, c, na, nb, nc;
+
+    if_debug1('2', "[2]splitting at t = %g\n", t);
+#define compute_seg(v0, v)\
+	curve_points_to_coefficients(v0, pc->p1.v, pc->p2.v, pc->pt.v,\
+				     a, b, c, v01, v12);\
+	na = (fixed)(a * t3), nb = (fixed)(b * t2), nc = (fixed)(c * t);\
+	curve_coefficients_to_points(na, nb, nc, v0,\
+				     pc1->p1.v, pc1->p2.v, pc1->pt.v);\
+	na = (fixed)(a * omt3);\
+	nb = (fixed)((a * t * 3 + b) * omt2);\
+	nc = (fixed)((a * t2 * 3 + b * 2 * t + c) * omt);\
+	curve_coefficients_to_points(na, nb, nc, pc1->pt.v,\
+				     pc2->p1.v, pc2->p2.v, pc2->pt.v)
+    compute_seg(x0, x);
+    compute_seg(y0, y);
+#undef compute_seg
+}
diff --git a/pstoraster/gxpdash.c b/pstoraster/gxpdash.c
new file mode 100644
index 000000000..72d0f93f4
--- /dev/null
+++ b/pstoraster/gxpdash.c
@@ -0,0 +1,189 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Dash expansion for paths */
+#include "math_.h"
+#include "gx.h"
+#include "gsmatrix.h"		/* for gscoord.h */
+#include "gscoord.h"
+#include "gxfixed.h"
+#include "gsline.h"
+#include "gzline.h"
+#include "gzpath.h"
+
+/* Expand a dashed path into explicit segments. */
+/* The path contains no curves. */
+private int subpath_expand_dashes(P4(const subpath *, gx_path *,
+				     const gs_imager_state *,
+				     const gx_dash_params *));
+int
+gx_path_add_dash_expansion(const gx_path * ppath_old, gx_path * ppath,
+			   const gs_imager_state * pis)
+{
+    const subpath *psub;
+    const gx_dash_params *dash = &gs_currentlineparams(pis)->dash;
+    int code = 0;
+
+    if (dash->pattern_size == 0)
+	return gx_path_copy(ppath_old, ppath);
+    for (psub = ppath_old->first_subpath; psub != 0 && code >= 0;
+	 psub = (const subpath *)psub->last->next
+	)
+	code = subpath_expand_dashes(psub, ppath, pis, dash);
+    return code;
+}
+
+private int
+subpath_expand_dashes(const subpath * psub, gx_path * ppath,
+		   const gs_imager_state * pis, const gx_dash_params * dash)
+{
+    const float *pattern = dash->pattern;
+    int count, index;
+    bool ink_on;
+    float elt_length;
+    fixed x0 = psub->pt.x, y0 = psub->pt.y;
+    fixed x, y;
+    const segment *pseg;
+    int wrap = (dash->init_ink_on && psub->is_closed ? -1 : 0);
+    int drawing = wrap;
+    segment_notes notes = ~sn_not_first;
+    int code;
+
+    if ((code = gx_path_add_point(ppath, x0, y0)) < 0)
+	return code;
+    /*
+     * To do the right thing at the beginning of a closed path, we have
+     * to skip any initial line, and then redo it at the end of the
+     * path.  Drawing = -1 while skipping, 0 while drawing normally, and
+     * 1 on the second round.  Note that drawing != 0 implies ink_on.
+     */
+  top:count = dash->pattern_size;
+    ink_on = dash->init_ink_on;
+    index = dash->init_index;
+    elt_length = dash->init_dist_left;
+    x = x0, y = y0;
+    pseg = (const segment *)psub;
+    while ((pseg = pseg->next) != 0 && pseg->type != s_start) {
+	fixed sx = pseg->pt.x, sy = pseg->pt.y;
+	fixed udx = sx - x, udy = sy - y;
+	double length, dx, dy;
+	double scale = 1;
+	double left;
+
+	if (!(udx | udy))	/* degenerate */
+	    dx = 0, dy = 0, length = 0;
+	else {
+	    gs_point d;
+
+	    dx = udx, dy = udy;	/* scaled as fixed */
+	    gs_imager_idtransform(pis, dx, dy, &d);
+	    length = hypot(d.x, d.y) * (1.0 / fixed_1);
+	    if (gs_imager_currentdashadapt(pis)) {
+		double reps = length / dash->pattern_length;
+
+		scale = reps / ceil(reps);
+		/* Ensure we're starting at the start of a */
+		/* repetition.  (This shouldn't be necessary, */
+		/* but it is.) */
+		count = dash->pattern_size;
+		ink_on = dash->init_ink_on;
+		index = dash->init_index;
+		elt_length = dash->init_dist_left * scale;
+	    }
+	}
+	left = length;
+	while (left > elt_length) {	/* We are using up the line segment. */
+	    double fraction = elt_length / length;
+	    fixed nx = x + (fixed) (dx * fraction);
+	    fixed ny = y + (fixed) (dy * fraction);
+
+	    if (ink_on) {
+		if (drawing >= 0)
+		    code = gx_path_add_line_notes(ppath, nx, ny,
+						  notes & pseg->notes);
+		notes |= sn_not_first;
+	    } else {
+		if (drawing > 0)	/* done */
+		    return 0;
+		code = gx_path_add_point(ppath, nx, ny);
+		notes &= ~sn_not_first;
+		drawing = 0;
+	    }
+	    if (code < 0)
+		return code;
+	    left -= elt_length;
+	    ink_on = !ink_on;
+	    if (++index == count)
+		index = 0;
+	    elt_length = pattern[index] * scale;
+	    x = nx, y = ny;
+	}
+	elt_length -= left;
+	/* Handle the last dash of a segment. */
+      on:if (ink_on) {
+	    if (drawing >= 0) {
+		code =
+		    (pseg->type == s_line_close && drawing > 0 ?
+		     gx_path_close_subpath_notes(ppath,
+						 notes & pseg->notes) :
+		     gx_path_add_line_notes(ppath, sx, sy,
+					    notes & pseg->notes));
+		notes |= sn_not_first;
+	    }
+	} else {
+	    code = gx_path_add_point(ppath, sx, sy);
+	    notes &= ~sn_not_first;
+	    if (elt_length < fixed2float(fixed_epsilon) &&
+		(pseg->next == 0 || pseg->next->type == s_start)
+		) {		/*
+				 * Ink is off, but we're within epsilon of the end
+				 * of the dash element, and at the end of the
+				 * subpath.  "Stretch" a little so we get a dot.
+				 */
+		if (code < 0)
+		    return code;
+		elt_length = 0;
+		ink_on = true;
+		if (++index == count)
+		    index = 0;
+		elt_length = pattern[index] * scale;
+		goto on;
+	    }
+	    if (drawing > 0)	/* done */
+		return code;
+	    drawing = 0;
+	}
+	if (code < 0)
+	    return code;
+	x = sx, y = sy;
+    }
+    /* Check for wraparound. */
+    if (wrap && drawing <= 0) {	/* We skipped some initial lines. */
+	/* Go back and do them now. */
+	drawing = 1;
+	goto top;
+    }
+    return 0;
+}
diff --git a/pstoraster/gxpflat.c b/pstoraster/gxpflat.c
new file mode 100644
index 000000000..f5c962285
--- /dev/null
+++ b/pstoraster/gxpflat.c
@@ -0,0 +1,455 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Path flattening algorithms */
+#include "gx.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gzpath.h"
+
+/* Define whether to merge nearly collinear line segments when flattening */
+/* curves.  This is very good for performance, but we feel a little */
+/* uneasy about its effects on character appearance. */
+#define MERGE_COLLINEAR_SEGMENTS 1
+
+/* ---------------- Curve flattening ---------------- */
+
+#define x1 pc->p1.x
+#define y1 pc->p1.y
+#define x2 pc->p2.x
+#define y2 pc->p2.y
+#define x3 pc->pt.x
+#define y3 pc->pt.y
+
+/*
+ * To calculate how many points to sample along a path in order to
+ * approximate it to the desired degree of flatness, we define
+ *      dist((x,y)) = abs(x) + abs(y);
+ * then the number of points we need is
+ *      N = 1 + sqrt(3/4 * D / flatness),
+ * where
+ *      D = max(dist(p0 - 2*p1 + p2), dist(p1 - 2*p2 + p3)).
+ * Since we are going to use a power of 2 for the number of intervals,
+ * we can avoid the square root by letting
+ *      N = 1 + 2^(ceiling(log2(3/4 * D / flatness) / 2)).
+ * (Reference: DEC Paris Research Laboratory report #1, May 1989.)
+ *
+ * We treat two cases specially.  First, if the curve is very
+ * short, we halve the flatness, to avoid turning short shallow curves
+ * into short straight lines.  Second, if the curve forms part of a
+ * character (indicated by flatness = 0), we let
+ *      N = 1 + 2 * max(abs(x3-x0), abs(y3-y0)).
+ * This is probably too conservative, but it produces good results.
+ */
+int
+gx_curve_log2_samples(fixed x0, fixed y0, const curve_segment * pc,
+		      fixed fixed_flat)
+{
+    fixed
+	x03 = x3 - x0,
+	y03 = y3 - y0;
+    int k;
+
+    if (x03 < 0)
+	x03 = -x03;
+    if (y03 < 0)
+	y03 = -y03;
+    if ((x03 | y03) < int2fixed(16))
+	fixed_flat >>= 1;
+    if (fixed_flat == 0) {	/* Use the conservative method. */
+	fixed m = max(x03, y03);
+
+	for (k = 1; m > fixed_1;)
+	    k++, m >>= 1;
+    } else {
+	const fixed
+	      x12 = x1 - x2, y12 = y1 - y2, dx0 = x0 - x1 - x12, dy0 = y0 - y1 - y12,
+	      dx1 = x12 - x2 + x3, dy1 = y12 - y2 + y3, adx0 = any_abs(dx0),
+	      ady0 = any_abs(dy0), adx1 = any_abs(dx1), ady1 = any_abs(dy1);
+
+	fixed
+	    d = max(adx0, adx1) + max(ady0, ady1);
+	/*
+	 * The following statement is split up to work around a
+	 * bug in the gcc 2.7.2 optimizer on H-P RISC systems.
+	 */
+	uint qtmp = d - (d >> 2) /* 3/4 * D */ +fixed_flat - 1;
+	uint q = qtmp / fixed_flat;
+
+	if_debug6('2', "[2]d01=%g,%g d12=%g,%g d23=%g,%g\n",
+		  fixed2float(x1 - x0), fixed2float(y1 - y0),
+		  fixed2float(-x12), fixed2float(-y12),
+		  fixed2float(x3 - x2), fixed2float(y3 - y2));
+	if_debug2('2', "     D=%f, flat=%f,",
+		  fixed2float(d), fixed2float(fixed_flat));
+	/* Now we want to set k = ceiling(log2(q) / 2). */
+	for (k = 0; q > 1;)
+	    k++, q = (q + 3) >> 2;
+	if_debug1('2', " k=%d\n", k);
+    }
+    return k;
+}
+
+/*
+ * Define the maximum number of points for sampling if we want accurate
+ * rasterizing.  2^(k_sample_max*3)-1 must fit into a uint with a bit
+ * to spare; also, we must be able to compute 1/2^(3*k) by table lookup.
+ */
+#define k_sample_max min((size_of(int) * 8 - 1) / 3, 10)
+
+/*
+ * Split a curve segment into two pieces at the (parametric) midpoint.
+ * Algorithm is from "The Beta2-split: A special case of the Beta-spline
+ * Curve and Surface Representation," B. A. Barsky and A. D. DeRose, IEEE,
+ * 1985, courtesy of Crispin Goswell.
+ */
+private void
+split_curve_midpoint(fixed x0, fixed y0, const curve_segment * pc,
+		     curve_segment * pc1, curve_segment * pc2)
+{				/*
+				 * We have to define midpoint carefully to avoid overflow.
+				 * (If it overflows, something really pathological is going
+				 * on, but we could get infinite recursion that way....)
+				 */
+#define midpoint(a,b)\
+  (arith_rshift_1(a) + arith_rshift_1(b) + ((a) & (b) & 1) + 1)
+    fixed x12 = midpoint(x1, x2);
+    fixed y12 = midpoint(y1, y2);
+
+    /*
+     * pc1 or pc2 may be the same as pc, so we must be a little careful
+     * about the order in which we store the results.
+     */
+    pc1->p1.x = midpoint(x0, x1);
+    pc1->p1.y = midpoint(y0, y1);
+    pc2->p2.x = midpoint(x2, x3);
+    pc2->p2.y = midpoint(y2, y3);
+    pc1->p2.x = midpoint(pc1->p1.x, x12);
+    pc1->p2.y = midpoint(pc1->p1.y, y12);
+    pc2->p1.x = midpoint(x12, pc2->p2.x);
+    pc2->p1.y = midpoint(y12, pc2->p2.y);
+    if (pc2 != pc)
+	pc2->pt.x = pc->pt.x,
+	    pc2->pt.y = pc->pt.y;
+    pc1->pt.x = midpoint(pc1->p2.x, pc2->p1.x);
+    pc1->pt.y = midpoint(pc1->p2.y, pc2->p1.y);
+#undef midpoint
+}
+
+/*
+ * Flatten a segment of the path by repeated sampling.
+ * 2^k is the number of lines to produce (i.e., the number of points - 1,
+ * including the endpoints); we require k >= 1.
+ * If k or any of the coefficient values are too large,
+ * use recursive subdivision to whittle them down.
+ */
+int
+gx_flatten_sample(gx_path * ppath, int k, curve_segment * pc,
+		  segment_notes notes)
+{
+    fixed x0, y0;
+
+    /* x1 ... y3 were defined above */
+    fixed cx, bx, ax, cy, by, ay;
+    fixed ptx, pty;
+    fixed x, y;
+
+    /*
+     * We can compute successive values by finite differences,
+     * using the formulas:
+     x(t) =
+     a*t^3 + b*t^2 + c*t + d =>
+     dx(t) = x(t+e)-x(t) =
+     a*(3*t^2*e + 3*t*e^2 + e^3) + b*(2*t*e + e^2) + c*e =
+     (3*a*e)*t^2 + (3*a*e^2 + 2*b*e)*t + (a*e^3 + b*e^2 + c*e) =>
+     d2x(t) = dx(t+e)-dx(t) =
+     (3*a*e)*(2*t*e + e^2) + (3*a*e^2 + 2*b*e)*e =
+     (6*a*e^2)*t + (6*a*e^3 + 2*b*e^2) =>
+     d3x(t) = d2x(t+e)-d2x(t) =
+     6*a*e^3;
+     x(0) = d, dx(0) = (a*e^3 + b*e^2 + c*e),
+     d2x(0) = 6*a*e^3 + 2*b*e^2;
+     * In these formulas, e = 1/2^k; of course, there are separate
+     * computations for the x and y values.
+     *
+     * There is a tradeoff in doing the above computation in fixed
+     * point.  If we separate out the constant term (d) and require that
+     * all the other values fit in a long, then on a 32-bit machine with
+     * 12 bits of fraction in a fixed, k = 4 implies a maximum curve
+     * size of 128 pixels; anything larger requires subdividing the
+     * curve.  On the other hand, doing the computations in explicit
+     * double precision slows down the loop by a factor of 3 or so.  We
+     * found to our surprise that the latter is actually faster, because
+     * the additional subdivisions cost more than the slower loop.
+     *
+     * We represent each quantity as I+R/M, where I is an "integer" and
+     * the "remainder" R lies in the range 0 <= R < M=2^(3*k).  Note
+     * that R may temporarily exceed M; for this reason, we require that
+     * M have at least one free high-order bit.  To reduce the number of
+     * variables, we don't actually compute M, only M-1 (rmask).  */
+    uint i;
+    uint rmask;			/* M-1 */
+    fixed idx, idy, id2x, id2y, id3x, id3y;	/* I */
+    uint rx, ry, rdx, rdy, rd2x, rd2y, rd3x, rd3y;	/* R */
+    gs_fixed_point *ppt;
+
+#define max_points 50		/* arbitrary */
+    gs_fixed_point points[max_points + 1];
+
+  top:x0 = ppath->position.x;
+    y0 = ppath->position.y;
+#ifdef DEBUG
+    if (gs_debug_c('3')) {
+	dlprintf4("[3]x0=%f y0=%f x1=%f y1=%f\n",
+		  fixed2float(x0), fixed2float(y0),
+		  fixed2float(x1), fixed2float(y1));
+	dlprintf5("   x2=%f y2=%f x3=%f y3=%f  k=%d\n",
+		  fixed2float(x2), fixed2float(y2),
+		  fixed2float(x3), fixed2float(y3), k);
+    }
+#endif
+    {
+	fixed x01, x12, y01, y12;
+
+	curve_points_to_coefficients(x0, x1, x2, x3, ax, bx, cx,
+				     x01, x12);
+	curve_points_to_coefficients(y0, y1, y2, y3, ay, by, cy,
+				     y01, y12);
+    }
+
+    if_debug6('3', "[3]ax=%f bx=%f cx=%f\n   ay=%f by=%f cy=%f\n",
+	      fixed2float(ax), fixed2float(bx), fixed2float(cx),
+	      fixed2float(ay), fixed2float(by), fixed2float(cy));
+#define max_fast (max_fixed / 6)
+#define min_fast (-max_fast)
+#define in_range(v) (v < max_fast && v > min_fast)
+    if (k == 0) {		/* The curve is very short, or anomalous in some way. */
+	/* Just add a line and exit. */
+	return gx_path_add_line_notes(ppath, x3, y3, notes);
+    }
+    if (k <= k_sample_max &&
+	in_range(ax) && in_range(ay) &&
+	in_range(bx) && in_range(by) &&
+	in_range(cx) && in_range(cy)
+	) {
+	x = x0, y = y0;
+	rx = ry = 0;
+	ppt = points;
+	/* Fast check for n == 3, a common special case */
+	/* for small characters. */
+	if (k == 1) {
+#define poly2(a,b,c)\
+  arith_rshift_1(arith_rshift_1(arith_rshift_1(a) + b) + c)
+	    x += poly2(ax, bx, cx);
+	    y += poly2(ay, by, cy);
+#undef poly2
+	    if_debug2('3', "[3]dx=%f, dy=%f\n",
+		      fixed2float(x - x0), fixed2float(y - y0));
+	    if_debug3('3', "[3]%s x=%g, y=%g\n",
+		      (((x ^ x0) | (y ^ y0)) & float2fixed(-0.5) ?
+		       "add" : "skip"),
+		      fixed2float(x), fixed2float(y));
+	    if (((x ^ x0) | (y ^ y0)) & float2fixed(-0.5))
+		ppt->x = ptx = x,
+		    ppt->y = pty = y,
+		    ppt++;
+	    goto last;
+	} else {
+	    fixed bx2 = bx << 1, by2 = by << 1;
+	    fixed ax6 = ((ax << 1) + ax) << 1, ay6 = ((ay << 1) + ay) << 1;
+
+#define adjust_rem(r, q)\
+  if ( r > rmask ) q ++, r &= rmask
+	    const int k2 = k << 1;
+	    const int k3 = k2 + k;
+
+	    rmask = (1 << k3) - 1;
+	    /* We can compute all the remainders as ints, */
+	    /* because we know they don't exceed M. */
+	    /* cx/y terms */
+	    idx = arith_rshift(cx, k),
+		idy = arith_rshift(cy, k);
+	    rdx = ((uint) cx << k2) & rmask,
+		rdy = ((uint) cy << k2) & rmask;
+	    /* bx/y terms */
+	    id2x = arith_rshift(bx2, k2),
+		id2y = arith_rshift(by2, k2);
+	    rd2x = ((uint) bx2 << k) & rmask,
+		rd2y = ((uint) by2 << k) & rmask;
+	    idx += arith_rshift_1(id2x),
+		idy += arith_rshift_1(id2y);
+	    rdx += ((uint) bx << k) & rmask,
+		rdy += ((uint) by << k) & rmask;
+	    adjust_rem(rdx, idx);
+	    adjust_rem(rdy, idy);
+	    /* ax/y terms */
+	    idx += arith_rshift(ax, k3),
+		idy += arith_rshift(ay, k3);
+	    rdx += (uint) ax & rmask,
+		rdy += (uint) ay & rmask;
+	    adjust_rem(rdx, idx);
+	    adjust_rem(rdy, idy);
+	    id2x += id3x = arith_rshift(ax6, k3),
+		id2y += id3y = arith_rshift(ay6, k3);
+	    rd2x += rd3x = (uint) ax6 & rmask,
+		rd2y += rd3y = (uint) ay6 & rmask;
+	    adjust_rem(rd2x, id2x);
+	    adjust_rem(rd2y, id2y);
+#undef adjust_rem
+	}
+    } else {			/*
+				 * Curve is too long.  Break into two pieces and recur.
+				 */
+	curve_segment cseg;
+	int code;
+
+	k--;
+	split_curve_midpoint(x0, y0, pc, &cseg, pc);
+	code = gx_flatten_sample(ppath, k, &cseg, notes);
+	if (code < 0)
+	    return code;
+	notes |= sn_not_first;
+	goto top;
+    }
+    if_debug1('2', "[2]sampling k=%d\n", k);
+    ptx = x0, pty = y0;
+    for (i = (1 << k) - 1;;) {
+	int code;
+
+#ifdef DEBUG
+	if (gs_debug_c('3')) {
+	    dlprintf4("[3]dx=%f+%d, dy=%f+%d\n",
+		      fixed2float(idx), rdx,
+		      fixed2float(idy), rdy);
+	    dlprintf4("   d2x=%f+%d, d2y=%f+%d\n",
+		      fixed2float(id2x), rd2x,
+		      fixed2float(id2y), rd2y);
+	    dlprintf4("   d3x=%f+%d, d3y=%f+%d\n",
+		      fixed2float(id3x), rd3x,
+		      fixed2float(id3y), rd3y);
+	}
+#endif
+#define accum(i, r, di, dr)\
+  if ( (r += dr) > rmask ) r &= rmask, i += di + 1;\
+  else i += di
+	accum(x, rx, idx, rdx);
+	accum(y, ry, idy, rdy);
+	if_debug3('3', "[3]%s x=%g, y=%g\n",
+		  (((x ^ ptx) | (y ^ pty)) & float2fixed(-0.5) ?
+		   "add" : "skip"),
+		  fixed2float(x), fixed2float(y));
+	/*
+	 * Skip very short segments -- those that lie entirely within
+	 * a square half-pixel.  Also merge nearly collinear
+	 * segments -- those where one coordinate of all three points
+	 * (the two endpoints and the midpoint) lie within the same
+	 * half-pixel and both coordinates are monotonic.
+	 * Note that ptx/y, the midpoint, is the same as ppt[-1].x/y;
+	 * the previous point is ppt[-2].x/y.
+	 */
+#define coord_near(v, ptv)\
+  (!( ((v) ^ (ptv)) & float2fixed(-0.5) ))
+#define coords_in_order(v0, v1, v2)\
+  ( (((v1) - (v0)) ^ ((v2) - (v1))) >= 0 )
+	if (coord_near(x, ptx)) {	/* X coordinates are within a half-pixel. */
+	    if (coord_near(y, pty))
+		goto skip;	/* short segment */
+#if MERGE_COLLINEAR_SEGMENTS
+	    /* Check for collinear segments. */
+	    if (ppt > points + 1 && coord_near(x, ppt[-2].x) &&
+		coords_in_order(ppt[-2].x, ptx, x) &&
+		coords_in_order(ppt[-2].y, pty, y)
+		)
+		--ppt;		/* remove middle point */
+#endif
+	} else if (coord_near(y, pty)) {	/* Y coordinates are within a half-pixel. */
+#if MERGE_COLLINEAR_SEGMENTS
+	    /* Check for collinear segments. */
+	    if (ppt > points + 1 && coord_near(y, ppt[-2].y) &&
+		coords_in_order(ppt[-2].x, ptx, x) &&
+		coords_in_order(ppt[-2].y, pty, y)
+		)
+		--ppt;		/* remove middle point */
+#endif
+	}
+#undef coord_near
+#undef coords_in_order
+	/* Add a line. */
+	if (ppt == &points[max_points]) {
+	    if (notes & sn_not_first)
+		code = gx_path_add_lines_notes(ppath, points, max_points,
+					       notes);
+	    else {
+		code = gx_path_add_line_notes(ppath, points[0].x,
+					      points[0].y, notes);
+		if (code < 0)
+		    return code;
+		code = gx_path_add_lines_notes(ppath, points,
+				      max_points - 1, notes | sn_not_first);
+	    }
+	    if (code < 0)
+		return code;
+	    ppt = points;
+	    notes |= sn_not_first;
+	}
+	ppt->x = ptx = x;
+	ppt->y = pty = y;
+	ppt++;
+      skip:if (--i == 0)
+	    break;		/* don't bother with last accum */
+	accum(idx, rdx, id2x, rd2x);
+	accum(id2x, rd2x, id3x, rd3x);
+	accum(idy, rdy, id2y, rd2y);
+	accum(id2y, rd2y, id3y, rd3y);
+#undef accum
+    }
+  last:if_debug2('3', "[3]last x=%g, y=%g\n",
+	      fixed2float(x3), fixed2float(y3));
+    if (ppt > points) {
+	int count = ppt + 1 - points;
+	gs_fixed_point *pts = points;
+
+	if (!(notes & sn_not_first)) {
+	    int code = gx_path_add_line_notes(ppath,
+					      points[0].x, points[0].y,
+					      notes);
+
+	    if (code < 0)
+		return code;
+	    ++pts, --count;
+	    notes |= sn_not_first;
+	}
+	ppt->x = x3, ppt->y = y3;
+	return gx_path_add_lines_notes(ppath, pts, count, notes);
+    }
+    return gx_path_add_line_notes(ppath, x3, y3, notes);
+}
+
+#undef x1
+#undef y1
+#undef x2
+#undef y2
+#undef x3
+#undef y3
diff --git a/pstoraster/gxropc.h b/pstoraster/gxropc.h
new file mode 100644
index 000000000..48f8b2aa2
--- /dev/null
+++ b/pstoraster/gxropc.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internals for RasterOp compositing */
+
+#ifndef gxropc_INCLUDED
+#  define gxropc_INCLUDED
+
+#include "gsropc.h"
+#include "gxcomp.h"
+
+/* Define RasterOp-compositing objects. */
+typedef struct gs_composite_rop_s {
+    gs_composite_common;
+    gs_composite_rop_params_t params;
+} gs_composite_rop_t;
+
+#define private_st_composite_rop() /* in gsropc.c */\
+  gs_private_st_ptrs1(st_composite_rop, gs_composite_rop_t,\
+    "gs_composite_rop_t", composite_rop_enum_ptrs, composite_rop_reloc_ptrs,\
+    params.texture)
+
+/*
+ * Initialize a RasterOp compositing function from parameters.
+ * We make this visible so that clients can allocate gs_composite_rop_t
+ * objects on the stack, to reduce memory manager overhead.
+ */
+void gx_init_composite_rop(P2(gs_composite_rop_t * pcte,
+			      const gs_composite_rop_params_t * params));
+
+#endif /* gxropc_INCLUDED */
diff --git a/pstoraster/gxsample.c b/pstoraster/gxsample.c
new file mode 100644
index 000000000..e8f0bdd28
--- /dev/null
+++ b/pstoraster/gxsample.c
@@ -0,0 +1,211 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Sample unpacking procedures */
+#include "gx.h"
+#include "gxsample.h"
+
+/* ---------------- Lookup tables ---------------- */
+
+/*
+ * Define standard tables for spreading 1-bit input data.
+ * Note that these depend on the end-orientation of the CPU.
+ * We can't simply define them as byte arrays, because
+ * they might not wind up properly long- or short-aligned.
+ */
+#define map4tox(z,a,b,c,d)\
+	z, z^a, z^b, z^(a+b),\
+	z^c, z^(a+c), z^(b+c), z^(a+b+c),\
+	z^d, z^(a+d), z^(b+d), z^(a+b+d),\
+	z^(c+d), z^(a+c+d), z^(b+c+d), z^(a+b+c+d)
+#if arch_is_big_endian
+const bits32 lookup4x1to32_identity[16] =
+{map4tox(0L, 0xffL, 0xff00L, 0xff0000L, 0xff000000L)};
+const bits32 lookup4x1to32_inverted[16] =
+{map4tox(0xffffffffL, 0xffL, 0xff00L, 0xff0000L, 0xff000000L)};
+
+#else /* !arch_is_big_endian */
+const bits32 lookup4x1to32_identity[16] =
+{map4tox(0L, 0xff000000L, 0xff0000L, 0xff00L, 0xffL)};
+const bits32 lookup4x1to32_inverted[16] =
+{map4tox(0xffffffffL, 0xff000000L, 0xff0000L, 0xff00L, 0xffL)};
+
+#endif
+
+/* ---------------- Unpacking procedures ---------------- */
+
+const byte *
+sample_unpack_copy(byte * bptr, int *pdata_x, const byte * data, int data_x,
+		uint dsize, const sample_lookup_t * ignore_ptab, int spread)
+{				/* We're going to use the data right away, so no copying is needed. */
+    *pdata_x = data_x;
+    return data;
+}
+
+const byte *
+sample_unpack_1(byte * bptr, int *pdata_x, const byte * data, int data_x,
+		uint dsize, const sample_lookup_t * ptab, int spread)
+{
+    const byte *psrc = data + (data_x >> 3);
+    int left = dsize - (data_x >> 3);
+
+    if (spread == 1) {
+	bits32 *bufp = (bits32 *) bptr;
+	const bits32 *map = &ptab->lookup4x1to32[0];
+	uint b;
+
+	if (left & 1) {
+	    b = psrc[0];
+	    bufp[0] = map[b >> 4];
+	    bufp[1] = map[b & 0xf];
+	    psrc++, bufp += 2;
+	}
+	left >>= 1;
+	while (left--) {
+	    b = psrc[0];
+	    bufp[0] = map[b >> 4];
+	    bufp[1] = map[b & 0xf];
+	    b = psrc[1];
+	    bufp[2] = map[b >> 4];
+	    bufp[3] = map[b & 0xf];
+	    psrc += 2, bufp += 4;
+	}
+    } else {
+	byte *bufp = bptr;
+	const byte *map = &ptab->lookup8[0];
+
+	while (left--) {
+	    uint b = *psrc++;
+
+	    *bufp = map[b >> 7];
+	    bufp += spread;
+	    *bufp = map[(b >> 6) & 1];
+	    bufp += spread;
+	    *bufp = map[(b >> 5) & 1];
+	    bufp += spread;
+	    *bufp = map[(b >> 4) & 1];
+	    bufp += spread;
+	    *bufp = map[(b >> 3) & 1];
+	    bufp += spread;
+	    *bufp = map[(b >> 2) & 1];
+	    bufp += spread;
+	    *bufp = map[(b >> 1) & 1];
+	    bufp += spread;
+	    *bufp = map[b & 1];
+	    bufp += spread;
+	}
+    }
+    *pdata_x = data_x & 7;
+    return bptr;
+}
+
+const byte *
+sample_unpack_2(byte * bptr, int *pdata_x, const byte * data, int data_x,
+		uint dsize, const sample_lookup_t * ptab, int spread)
+{
+    const byte *psrc = data + (data_x >> 2);
+    int left = dsize - (data_x >> 2);
+
+    if (spread == 1) {
+	bits16 *bufp = (bits16 *) bptr;
+	const bits16 *map = &ptab->lookup2x2to16[0];
+
+	while (left--) {
+	    uint b = *psrc++;
+
+	    *bufp++ = map[b >> 4];
+	    *bufp++ = map[b & 0xf];
+	}
+    } else {
+	byte *bufp = bptr;
+	const byte *map = &ptab->lookup8[0];
+
+	while (left--) {
+	    unsigned b = *psrc++;
+
+	    *bufp = map[b >> 6];
+	    bufp += spread;
+	    *bufp = map[(b >> 4) & 3];
+	    bufp += spread;
+	    *bufp = map[(b >> 2) & 3];
+	    bufp += spread;
+	    *bufp = map[b & 3];
+	    bufp += spread;
+	}
+    }
+    *pdata_x = data_x & 3;
+    return bptr;
+}
+
+const byte *
+sample_unpack_4(byte * bptr, int *pdata_x, const byte * data, int data_x,
+		uint dsize, const sample_lookup_t * ptab, int spread)
+{
+    byte *bufp = bptr;
+    const byte *psrc = data + (data_x >> 1);
+    int left = dsize - (data_x >> 1);
+    const byte *map = &ptab->lookup8[0];
+
+    while (left--) {
+	uint b = *psrc++;
+
+	*bufp = map[b >> 4];
+	bufp += spread;
+	*bufp = map[b & 0xf];
+	bufp += spread;
+    }
+    *pdata_x = data_x & 1;
+    return bptr;
+}
+
+const byte *
+sample_unpack_8(byte * bptr, int *pdata_x, const byte * data, int data_x,
+		uint dsize, const sample_lookup_t * ptab, int spread)
+{
+    byte *bufp = bptr;
+    const byte *psrc = data + data_x;
+
+    *pdata_x = 0;
+    if (spread == 1) {
+	if (ptab->lookup8[0] != 0 ||
+	    ptab->lookup8[255] != 255
+	    ) {
+	    uint left = dsize - data_x;
+	    const byte *map = &ptab->lookup8[0];
+
+	    while (left--)
+		*bufp++ = map[*psrc++];
+	} else {		/* No copying needed, and we'll use the data right away. */
+	    return psrc;
+	}
+    } else {
+	int left = dsize - data_x;
+	const byte *map = &ptab->lookup8[0];
+
+	for (; left--; psrc++, bufp += spread)
+	    *bufp = map[*psrc];
+    }
+    return bptr;
+}
diff --git a/pstoraster/gxsample.h b/pstoraster/gxsample.h
new file mode 100644
index 000000000..81447d82a
--- /dev/null
+++ b/pstoraster/gxsample.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Sample lookup and expansion */
+
+#ifndef gxsample_INCLUDED
+#  define gxsample_INCLUDED
+
+/*
+ * The following union implements the expansion of sample
+ * values from N bits to 8, and a possible linear transformation.
+ */
+typedef union sample_lookup_s {
+    bits32 lookup4x1to32[16];	/* 1 bit/sample, not spreading */
+    bits16 lookup2x2to16[16];	/* 2 bits/sample, not spreading */
+    byte lookup8[256];		/* 1 bit/sample, spreading [2] */
+    /* 2 bits/sample, spreading [4] */
+    /* 4 bits/sample [16] */
+    /* 8 bits/sample [256] */
+} sample_lookup_t;
+
+/*
+ * Define identity and inverted expansion lookups for 1-bit input values.
+ * These can be cast to a const sample_lookup_t.
+ */
+extern const bits32 lookup4x1to32_identity[16];
+
+#define sample_lookup_1_identity\
+  ((const sample_lookup_t *)lookup4x1to32_identity)
+extern const bits32 lookup4x1to32_inverted[16];
+
+#define sample_lookup_1_inverted\
+  ((const sample_lookup_t *)lookup4x1to32_inverted)
+
+/*
+ * Define procedures to unpack and shuffle image data samples.  The Unix C
+ * compiler can't handle typedefs for procedure (as opposed to
+ * pointer-to-procedure) types, so we have to do it with macros instead.
+ *
+ * The original data start at sample data_x relative to data.
+ * bptr points to the buffer normally used to deliver the unpacked data.
+ * The unpacked data are at sample *pdata_x relative to the return value.
+ *
+ * Note that this procedure may return either a pointer to the buffer, or
+ * a pointer to the original data.
+ */
+#define sample_unpack_proc(proc)\
+  const byte *proc(P7(byte *bptr, int *pdata_x, const byte *data, int data_x,\
+		      uint dsize, const sample_lookup_t *ptab, int spread))
+typedef sample_unpack_proc((*sample_unpack_proc_t));
+
+/*
+ * Declare the 1-for-1 unpacking procedure.
+ */
+sample_unpack_proc(sample_unpack_copy);
+/*
+ * Declare unpacking procedures for 1, 2, 4, and 8 bits per pixel,
+ * with optional spreading of the result.
+ */
+sample_unpack_proc(sample_unpack_1);
+sample_unpack_proc(sample_unpack_2);
+sample_unpack_proc(sample_unpack_4);
+sample_unpack_proc(sample_unpack_8);
+
+#endif /* gxsample_INCLUDED */
diff --git a/pstoraster/gxshade.c b/pstoraster/gxshade.c
new file mode 100644
index 000000000..f1891dd90
--- /dev/null
+++ b/pstoraster/gxshade.c
@@ -0,0 +1,348 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Shading rendering support */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsrect.h"
+#include "gxcspace.h"
+#include "gscie.h"		/* requires gscspace.h */
+#include "gxdevcli.h"
+#include "gxistate.h"
+#include "gxdht.h"		/* for computing # of different colors */
+#include "gxpaint.h"
+#include "gxshade.h"
+
+/* ================ Packed coordinate streams ================ */
+
+/* Forward references */
+private int cs_next_packed_value(P3(shade_coord_stream_t *, int, uint *));
+private int cs_next_array_value(P3(shade_coord_stream_t *, int, uint *));
+private int cs_next_packed_decoded(P4(shade_coord_stream_t *, int,
+				      const float[2], float *));
+private int cs_next_array_decoded(P4(shade_coord_stream_t *, int,
+				     const float[2], float *));
+
+/* Initialize a packed value stream. */
+void
+shade_next_init(shade_coord_stream_t * cs,
+		const gs_shading_mesh_params_t * params,
+		const gs_imager_state * pis)
+{
+    cs->params = params;
+    cs->pctm = &pis->ctm;
+    if (data_source_is_stream(params->DataSource)) {
+	cs->s = params->DataSource.data.strm;
+    } else {
+	sread_string(&cs->ds, params->DataSource.data.str.data,
+		     params->DataSource.data.str.size);
+	cs->s = &cs->ds;
+    }
+    if (data_source_is_array(params->DataSource)) {
+	cs->get_value = cs_next_array_value;
+	cs->get_decoded = cs_next_array_decoded;
+    } else {
+	cs->get_value = cs_next_packed_value;
+	cs->get_decoded = cs_next_packed_decoded;
+    }
+    cs->left = 0;
+}
+
+/* Get the next (integer) value from a packed value stream. */
+/* 1 <= num_bits <= sizeof(uint) * 8. */
+private int
+cs_next_packed_value(shade_coord_stream_t * cs, int num_bits, uint * pvalue)
+{
+    uint bits = cs->bits;
+    int left = cs->left;
+
+    if (left >= num_bits) {
+	/* We can satisfy this request with the current buffered bits. */
+	cs->left = left -= num_bits;
+	*pvalue = (bits >> left) & ((1 << num_bits) - 1);
+    } else {
+	/* We need more bits. */
+	int needed = num_bits - left;
+	uint value = bits & ((1 << left) - 1);	/* all the remaining bits */
+
+	for (; needed >= 8; needed -= 8) {
+	    int b = sgetc(cs->s);
+
+	    if (b < 0)
+		return_error(gs_error_rangecheck);
+	    value = (value << 8) + b;
+	}
+	if (needed == 0) {
+	    cs->left = 0;
+	    *pvalue = value;
+	} else {
+	    int b = sgetc(cs->s);
+
+	    if (b < 0)
+		return_error(gs_error_rangecheck);
+	    cs->bits = b;
+	    cs->left = left = 8 - needed;
+	    *pvalue = (value << needed) + (b >> left);
+	}
+    }
+    return 0;
+}
+
+/* Get the next (integer) value from an unpacked array. */
+private int
+cs_next_array_value(shade_coord_stream_t * cs, int num_bits, uint * pvalue)
+{
+    float value;
+    uint read;
+
+    if (sgets(cs->s, (byte *)&value, sizeof(float), &read) < 0 ||
+	read != sizeof(float) || value < 0 || value >= (1 << num_bits) ||
+	value != (int)value
+	)
+	return_error(gs_error_rangecheck);
+    *pvalue = (uint) value;
+    return 0;
+}
+
+/* Get the next decoded floating point value. */
+private int
+cs_next_packed_decoded(shade_coord_stream_t * cs, int num_bits,
+		       const float decode[2], float *pvalue)
+{
+    uint value;
+    int code = cs->get_value(cs, num_bits, &value);
+    double max_value = (double)(uint) ((1 << num_bits) - 1);
+
+    if (code < 0)
+	return code;
+    *pvalue =
+	(decode == 0 ? value / max_value :
+	 decode[0] + value * (decode[1] - decode[0]) / max_value);
+    return 0;
+}
+
+/* Get the next floating point value from an array, without decoding. */
+private int
+cs_next_array_decoded(shade_coord_stream_t * cs, int num_bits,
+		      const float decode[2], float *pvalue)
+{
+    float value;
+    uint read;
+
+    if (sgets(cs->s, (byte *)&value, sizeof(float), &read) < 0 ||
+	read != sizeof(float)
+    )
+	return_error(gs_error_rangecheck);
+    *pvalue = value;
+    return 0;
+}
+
+/* Get the next flag value. */
+/* Note that this always starts a new data byte. */
+int
+shade_next_flag(shade_coord_stream_t * cs, int BitsPerFlag)
+{
+    uint flag;
+    int code;
+
+    cs->left = 0;		/* start a new byte if packed */
+    code = cs->get_value(cs, BitsPerFlag, &flag);
+    return (code < 0 ? code : flag);
+}
+
+/* Get one or more coordinate pairs. */
+int
+shade_next_coords(shade_coord_stream_t * cs, gs_fixed_point * ppt,
+		  int num_points)
+{
+    int num_bits = cs->params->BitsPerCoordinate;
+    const float *decode = cs->params->Decode;
+    int code = 0;
+    int i;
+
+    for (i = 0; i < num_points; ++i) {
+	float x, y;
+
+	if ((code = cs->get_decoded(cs, num_bits, decode, &x)) < 0 ||
+	    (code = cs->get_decoded(cs, num_bits, decode, &y)) < 0 ||
+	    (code = gs_point_transform2fixed(cs->pctm, x, y, &ppt[i])) < 0
+	    )
+	    break;
+    }
+    return code;
+}
+
+/* Get a color.  Currently all this does is look up Indexed colors. */
+int
+shade_next_color(shade_coord_stream_t * cs, float *pc)
+{
+    const float *decode = cs->params->Decode + 4;	/* skip coord decode */
+    const gs_color_space *pcs = cs->params->ColorSpace;
+    gs_color_space_index index = gs_color_space_get_index(pcs);
+    int num_bits = cs->params->BitsPerComponent;
+
+    if (index == gs_color_space_index_Indexed) {
+	uint i;
+	int code = cs->get_value(cs, num_bits, &i);
+
+	if (code < 0)
+	    return code;
+	/****** DO INDEXED LOOKUP TO pc[] ******/
+    } else {
+	int i, code;
+	int ncomp = gs_color_space_num_components(pcs);
+
+	for (i = 0; i < ncomp; ++i)
+	    if ((code = cs->get_decoded(cs, num_bits, decode + i * 2, &pc[i])) < 0)
+		return code;
+    }
+    return 0;
+}
+
+/* Get the next vertex for a mesh element. */
+int
+shade_next_vertex(shade_coord_stream_t * cs, mesh_vertex_t * vertex)
+{
+    int code = shade_next_coords(cs, &vertex->p, 1);
+
+    if (code >= 0)
+	code = shade_next_color(cs, vertex->cc);
+    return code;
+}
+
+/* ================ Shading rendering ================ */
+
+/* Initialize the common parts of the recursion state. */
+void
+shade_init_fill_state(shading_fill_state_t * pfs, const gs_shading_t * psh,
+		      gx_device * dev, gs_imager_state * pis)
+{
+    const gs_color_space *pcs = psh->params.ColorSpace;
+    float max_error = pis->smoothness;
+    /*
+     * There's no point in trying to achieve smoothness beyond what
+     * the device can implement, i.e., the number of representable
+     * colors times the number of halftone levels.
+     */
+    long num_colors =
+	max(dev->color_info.max_gray, dev->color_info.max_color) + 1;
+    const gs_range *ranges = 0;
+    int ci;
+
+    pfs->dev = dev;
+    pfs->pis = pis;
+    pfs->num_components = gs_color_space_num_components(pcs);
+top:
+    switch ( gs_color_space_get_index(pcs) )
+	{
+	case gs_color_space_index_Indexed:
+	    pcs = gs_cspace_base_space(pcs);
+	    goto top;
+	case gs_color_space_index_CIEDEFG:
+	    ranges = pcs->params.defg->RangeDEFG.ranges;
+	    break;
+	case gs_color_space_index_CIEDEF:
+	    ranges = pcs->params.def->RangeDEF.ranges;
+	    break;
+	case gs_color_space_index_CIEABC:
+	    ranges = pcs->params.abc->RangeABC.ranges;
+	    break;
+	case gs_color_space_index_CIEA:
+	    ranges = &pcs->params.a->RangeA;
+	    break;
+	default:
+	    break;
+	}
+    if (num_colors <= 32) {
+	/****** WRONG FOR MULTI-PLANE HALFTONES ******/
+	num_colors *= pis->dev_ht->order.num_levels;
+    }
+    if (max_error < 1.0 / num_colors)
+	max_error = 1.0 / num_colors;
+    for (ci = 0; ci < pfs->num_components; ++ci)
+	pfs->cc_max_error[ci] =
+	    (ranges == 0 ? max_error :
+	     max_error * (ranges[ci].rmax - ranges[ci].rmin));
+}
+
+/* Transform a bounding box into device space. */
+int
+shade_bbox_transform2fixed(const gs_rect * rect, const gs_imager_state * pis,
+			   gs_fixed_rect * rfixed)
+{
+    gs_rect dev_rect;
+    int code = gs_bbox_transform(rect, &ctm_only(pis), &dev_rect);
+
+    if (code >= 0) {
+	rfixed->p.x = float2fixed(dev_rect.p.x);
+	rfixed->p.y = float2fixed(dev_rect.p.y);
+	rfixed->q.x = float2fixed(dev_rect.q.x);
+	rfixed->q.y = float2fixed(dev_rect.q.y);
+    }
+    return code;
+}
+
+/* Check whether 4 colors fall within the smoothness criterion. */
+bool
+shade_colors4_converge(const gs_client_color cc[4],
+		       const shading_fill_state_t * pfs)
+{
+    int ci;
+
+    for (ci = 0; ci < pfs->num_components; ++ci) {
+	float
+	      c0 = cc[0].paint.values[ci], c1 = cc[1].paint.values[ci],
+	      c2 = cc[2].paint.values[ci], c3 = cc[3].paint.values[ci];
+	float min01, max01, min23, max23;
+
+	if (c0 < c1)
+	    min01 = c0, max01 = c1;
+	else
+	    min01 = c1, max01 = c0;
+	if (c2 < c3)
+	    min23 = c2, max23 = c3;
+	else
+	    min23 = c3, max23 = c2;
+	if (max(max01, max23) - min(min01, min23) > pfs->cc_max_error[ci])
+	    return false;
+    }
+    return true;
+}
+
+/* Fill one piece of a shading. */
+int
+shade_fill_path(const shading_fill_state_t * pfs, gx_path * ppath,
+		gx_device_color * pdevc)
+{
+    gx_fill_params params;
+
+    params.rule = -1;		/* irrelevant */
+    params.adjust = pfs->pis->fill_adjust;
+    params.flatness = 0;	/* irrelevant */
+    params.fill_zero_width = false;
+    return (*dev_proc(pfs->dev, fill_path)) (pfs->dev, pfs->pis, ppath,
+					     &params, pdevc, NULL);
+}
diff --git a/pstoraster/gxshade.h b/pstoraster/gxshade.h
new file mode 100644
index 000000000..20ebb15d3
--- /dev/null
+++ b/pstoraster/gxshade.h
@@ -0,0 +1,247 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for shading rendering */
+
+#ifndef gxshade_INCLUDED
+#  define gxshade_INCLUDED
+
+#include "gsshade.h"
+#include "gxfixed.h"		/* for gxmatrix.h */
+#include "gxmatrix.h"		/* for gs_matrix_fixed */
+#include "stream.h"
+
+/*
+   All shadings are defined with respect to some parameter that varies
+   continuously over some range; the shading defines a mapping from the
+   parameter values to colors and user space coordinates.  Here are the
+   mappings for the 7 currently defined shading types:
+
+   Type Param space     Param => color          Param => User space
+   ---- -----------     --------------          -------------------
+   1    2-D Domain      Function                Matrix
+   2    1-D Domain      Function + Extend       perp. to Coords
+   3    1-D Domain      Function + Extend       circles per Coords
+   4,5  triangle x      Gouraud interp. on      Gouraud interp. on
+	2-D in tri.	Decode => corner        triangle corners
+			values => Function
+   6    patch x (u,v)   Decode => bilinear      Sc + Sd - Sb on each patch
+	in patch	interp. on corner
+			values => Function
+   7    see 6           see 6                   Sum(i) Sum(j) Pij*Bi(u)*Bj(v)
+
+   To be able to render a portion of a shading usefully, we must be able to
+   do two things:
+
+   - Determine what range of parameter values is sufficient to cover
+   the region being filled;
+
+   - Evaluate the color at enough points to fill the region (in
+   device space).
+
+   Note that the latter may be implemented by a mix of evaluation and
+   interpolation, especially for types 3, 6, and 7 where an exact mapping
+   may be prohibitively expensive.
+
+   Except for type 3, where circles turn into ellipses, the CTM can get
+   folded into the parameter => user space mapping, since in all other
+   cases, the mapping space is closed under linear transformations of
+   the output.
+ */
+
+/* Define types and rendering procedures for the individual shadings. */
+typedef struct gs_shading_Fb_s {
+    gs_shading_head_t head;
+    gs_shading_Fb_params_t params;
+} gs_shading_Fb_t;
+shading_fill_rectangle_proc(gs_shading_Fb_fill_rectangle);
+
+typedef struct gs_shading_A_s {
+    gs_shading_head_t head;
+    gs_shading_A_params_t params;
+} gs_shading_A_t;
+shading_fill_rectangle_proc(gs_shading_A_fill_rectangle);
+
+typedef struct gs_shading_R_s {
+    gs_shading_head_t head;
+    gs_shading_R_params_t params;
+} gs_shading_R_t;
+shading_fill_rectangle_proc(gs_shading_R_fill_rectangle);
+
+typedef struct gs_shading_FfGt_s {
+    gs_shading_head_t head;
+    gs_shading_FfGt_params_t params;
+} gs_shading_FfGt_t;
+shading_fill_rectangle_proc(gs_shading_FfGt_fill_rectangle);
+
+typedef struct gs_shading_LfGt_s {
+    gs_shading_head_t head;
+    gs_shading_LfGt_params_t params;
+} gs_shading_LfGt_t;
+shading_fill_rectangle_proc(gs_shading_LfGt_fill_rectangle);
+
+typedef struct gs_shading_Cp_s {
+    gs_shading_head_t head;
+    gs_shading_Cp_params_t params;
+} gs_shading_Cp_t;
+shading_fill_rectangle_proc(gs_shading_Cp_fill_rectangle);
+
+typedef struct gs_shading_Tpp_s {
+    gs_shading_head_t head;
+    gs_shading_Tpp_params_t params;
+} gs_shading_Tpp_t;
+shading_fill_rectangle_proc(gs_shading_Tpp_fill_rectangle);
+
+/* We should probably get this from somewhere else.... */
+#define max_color_components 4
+
+/* Define a stream for decoding packed coordinate values. */
+typedef struct shade_coord_stream_s shade_coord_stream_t;
+struct shade_coord_stream_s {
+    stream ds;			/* stream if DataSource isn't one already -- */
+				/* first for GC-ability (maybe unneeded?) */
+    stream *s;			/* DataSource or &ds */
+    uint bits;			/* shifted bits of current byte */
+    int left;			/* # of bits left in bits */
+    const gs_shading_mesh_params_t *params;
+    const gs_matrix_fixed *pctm;
+    int (*get_value)(P3(shade_coord_stream_t *cs, int num_bits, uint *pvalue));
+    int (*get_decoded)(P4(shade_coord_stream_t *cs, int num_bits,
+			  const float decode[2], float *pvalue));
+};
+
+/* Define one vertex of a mesh. */
+typedef struct mesh_vertex_s {
+    gs_fixed_point p;
+    float cc[max_color_components];
+} mesh_vertex_t;
+
+/* Initialize a packed value stream. */
+void shade_next_init(P3(shade_coord_stream_t * cs,
+			const gs_shading_mesh_params_t * params,
+			const gs_imager_state * pis));
+
+/* Get the next flag value. */
+int shade_next_flag(P2(shade_coord_stream_t * cs, int BitsPerFlag));
+
+/* Get one or more coordinate pairs. */
+int shade_next_coords(P3(shade_coord_stream_t * cs, gs_fixed_point * ppt,
+			 int num_points));
+
+/* Get a color.  Currently all this does is look up Indexed colors. */
+int shade_next_color(P2(shade_coord_stream_t * cs, float *pc));
+
+/* Get the next vertex for a mesh element. */
+int shade_next_vertex(P2(shade_coord_stream_t * cs, mesh_vertex_t * vertex));
+
+/*
+   Currently, all shading fill procedures follow the same algorithm:
+
+   - Conservatively inverse-transform the rectangle being filled to a linear
+   or rectangular range of values in the parameter space.
+
+   - Compute the color values at the extrema of the range.
+
+   - If possible, compute the parameter range corresponding to a single
+   device pixel.
+
+   - Recursively do the following, passing the parameter range and extremal
+   color values as the recursion arguments:
+
+   - If the color values are equal to within the tolerance given by the
+   smoothness in the graphics state, or if the range of parameters maps
+   to a single device pixel, fill the range with the (0) or (0,0) color.
+
+   - Otherwise, subdivide and recurse.  If the parameter range is 2-D,
+   subdivide the axis with the largest color difference.
+
+   For shadings based on a function, if the function is not monotonic, the
+   smoothness test must only be applied when the parameter range extrema are
+   all interpolated from the same entries in the Function.  (We don't
+   currently do this.)
+
+ */
+
+/* Define the common structure for recursive subdivision. */
+#define shading_fill_state_common\
+  gx_device *dev;\
+  gs_imager_state *pis;\
+  int num_components;		/* # of color components */\
+  float cc_max_error[max_color_components]
+typedef struct shading_fill_state_s {
+    shading_fill_state_common;
+} shading_fill_state_t;
+
+/* Initialize the common parts of the recursion state. */
+void shade_init_fill_state(P4(shading_fill_state_t * pfs,
+			      const gs_shading_t * psh, gx_device * dev,
+			      gs_imager_state * pis));
+
+/* Transform a bounding box into device space. */
+int shade_bbox_transform2fixed(P3(const gs_rect * rect,
+				  const gs_imager_state * pis,
+				  gs_fixed_rect * rfixed));
+
+/* Check whether 4 colors fall within the smoothness criterion. */
+bool shade_colors4_converge(P2(const gs_client_color cc[4],
+			       const shading_fill_state_t * pfs));
+
+/* Fill one piece of a shading. */
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+#endif
+int shade_fill_path(P3(const shading_fill_state_t * pfs, gx_path * ppath,
+		       gx_device_color * pdevc));
+
+#endif /* gxshade_INCLUDED */
+
+#if 0				/*************************************************************** */
+
+/*
+ * Here is a sketch of what will be needed to generalize Patterns for
+ * (the) new PatternType(s).
+ */
+typedef struct gs_pattern_instance_s {
+    rc_header rc;		/* ?? */
+    const gs_pattern_type_t *type;
+    gs_uid XUID;		/* ?? */
+    gs_state *saved;		/* ?? */
+    void *data;
+} gs_pattern_instance_t;
+typedef struct gs_pattern1_instance_data_s {
+    ...
+} gs_pattern1_instance_data_t;
+
+#define gs_pattern2_instance_data_common\
+  const gs_shading_t *shading;\
+  gx_device_color *background;\
+  const gs_color_space *color_space;\
+  gs_matrix param_to_device_matrix
+typedef struct gs_pattern2_instance_data_common_s {
+    gs_pattern2_instance_data_common;
+} gs_pattern2_instance_data_common_t;
+
+#endif /*************************************************************** */
diff --git a/pstoraster/gxshade1.c b/pstoraster/gxshade1.c
new file mode 100644
index 000000000..9fb9f8fc7
--- /dev/null
+++ b/pstoraster/gxshade1.c
@@ -0,0 +1,527 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Rendering for non-mesh shadings */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gscoord.h */
+#include "gscoord.h"
+#include "gspath.h"
+#include "gxcspace.h"
+#include "gxdcolor.h"
+#include "gxfarith.h"
+#include "gxfixed.h"
+#include "gxistate.h"
+#include "gxpath.h"
+#include "gxshade.h"
+
+/* ================ Utilities ================ */
+
+/* Check whether 2 colors fall within the smoothness criterion. */
+private bool
+shade_colors2_converge(const gs_client_color cc[2],
+		       const shading_fill_state_t * pfs)
+{
+    int ci;
+
+    for (ci = pfs->num_components - 1; ci >= 0; --ci)
+	if (fabs(cc[1].paint.values[ci] - cc[0].paint.values[ci]) >
+	    pfs->cc_max_error[ci]
+	    )
+	    return false;
+    return true;
+}
+
+/* Fill a user space rectangle that is also a device space rectangle. */
+private int
+shade_fill_device_rectangle(const shading_fill_state_t * pfs,
+			    const gs_fixed_point * p0,
+			    const gs_fixed_point * p1,
+			    gx_device_color * pdevc)
+{
+    gs_imager_state *pis = pfs->pis;
+    fixed xmin, ymin, xmax, ymax;
+    int x, y;
+
+    if (p0->x < p1->x)
+	xmin = p0->x, xmax = p1->x;
+    else
+	xmin = p1->x, xmax = p0->x;
+    if (p0->y < p1->y)
+	ymin = p0->y, ymax = p1->y;
+    else
+	ymin = p1->y, ymax = p0->y;
+    /****** NOT QUITE RIGHT FOR PIXROUND ******/
+    xmin -= pis->fill_adjust.x;
+    xmax += pis->fill_adjust.x;
+    ymin -= pis->fill_adjust.y;
+    ymax += pis->fill_adjust.y;
+    x = fixed2int_var(xmin);
+    y = fixed2int_var(ymin);
+    return
+	gx_fill_rectangle_device_rop(x, y,
+				     fixed2int_var(xmax) - x,
+				     fixed2int_var(ymax) - y,
+				     pdevc, pfs->dev, pis->log_op);
+}
+
+/* ================ Specific shadings ================ */
+
+/* ---------------- Function-based shading ---------------- */
+
+typedef struct Fb_fill_state_s {
+    shading_fill_state_common;
+    const gs_shading_Fb_t *psh;
+    gs_matrix_fixed ptm;	/* parameter space -> device space */
+    bool orthogonal;		/* true iff ptm is xxyy or xyyx */
+} Fb_fill_state_t;
+
+private int
+Fb_fill_region(const Fb_fill_state_t * pfs, gs_client_color cc[4],
+	       floatp x0, floatp y0, floatp x1, floatp y1)
+{
+    const gs_shading_Fb_t * const psh = pfs->psh;
+    gs_imager_state *pis = pfs->pis;
+
+top:
+    if (!shade_colors4_converge(cc, (const shading_fill_state_t *)pfs)) {
+	/*
+	 * The colors don't converge.  Does the region color more than
+	 * a single pixel?
+	 */
+	gs_rect region;
+
+	region.p.x = x0, region.p.y = y0;
+	region.q.x = x1, region.q.y = y1;
+	gs_bbox_transform(&region, (const gs_matrix *)&pfs->ptm, &region);
+	if (region.q.x - region.p.x > 1 || region.q.y - region.p.y > 1)
+	    goto recur;
+	{
+	    /*
+	     * More precisely, does the bounding box of the region,
+	     * taking fill adjustment into account, span more than 1
+	     * pixel center in either X or Y?
+	     */
+	    fixed ax = pis->fill_adjust.x;
+	    int nx =
+		fixed2int_pixround(float2fixed(region.q.x) + ax) -
+		fixed2int_pixround(float2fixed(region.p.x) - ax);
+	    fixed ay = pis->fill_adjust.y;
+	    int ny =
+		fixed2int_pixround(float2fixed(region.q.y) + ay) -
+		fixed2int_pixround(float2fixed(region.p.y) - ay);
+
+	    if ((nx > 1 && ny != 0) || (ny > 1 && nx != 0))
+		goto recur;
+	}
+	/* We could do the 1-pixel case a lot faster! */
+    }
+    /* Fill the region with the color. */
+    {
+	gx_device_color dev_color;
+	const gs_color_space *pcs = psh->params.ColorSpace;
+	gs_fixed_point pts[4];
+	int code;
+
+	if_debug0('|', "[|]... filling region\n");
+	(*pcs->type->restrict_color)(&cc[0], pcs);
+	(*pcs->type->remap_color)(&cc[0], pcs, &dev_color, pis,
+				  pfs->dev, gs_color_select_texture);
+	gs_point_transform2fixed(&pfs->ptm, x0, y0, &pts[0]);
+	gs_point_transform2fixed(&pfs->ptm, x1, y1, &pts[2]);
+	if (pfs->orthogonal) {
+	    code =
+		shade_fill_device_rectangle((const shading_fill_state_t *)pfs,
+					    &pts[0], &pts[2], &dev_color);
+	} else {
+	    gx_path *ppath = gx_path_alloc(pis->memory, "Fb_fill");
+
+	    gs_point_transform2fixed(&pfs->ptm, x1, y0, &pts[1]);
+	    gs_point_transform2fixed(&pfs->ptm, x0, y1, &pts[3]);
+	    gx_path_add_point(ppath, pts[0].x, pts[0].y);
+	    gx_path_add_lines(ppath, pts + 1, 3);
+	    code = shade_fill_path((const shading_fill_state_t *)pfs,
+				   ppath, &dev_color);
+	    gx_path_free(ppath, "Fb_fill");
+	}
+	return code;
+    }
+
+    /*
+     * No luck.  Subdivide the region and recur.
+     *
+     * We should subdivide on the axis that has the largest color
+     * discrepancy, but for now we subdivide on the axis with the
+     * largest coordinate difference.
+     */
+recur:
+    {
+	gs_client_color mid[2];
+	gs_client_color rcc[4];
+	gs_function_t *pfn = psh->params.Function;
+	float v[2];
+	int code;
+
+	if (y1 - y0 > x1 - x0) {
+	    /* Subdivide in Y. */
+	    float ym = (y0 + y1) * 0.5;
+
+	    if_debug1('|', "[|]dividing at y=%g\n", ym);
+	    v[1] = ym;
+	    v[0] = x0;
+	    code = gs_function_evaluate(pfn, v, mid[0].paint.values);
+	    if (code < 0)
+		return code;
+	    v[0] = x1;
+	    code = gs_function_evaluate(pfn, v, mid[1].paint.values);
+	    if (code < 0)
+		return code;
+	    rcc[0].paint = cc[0].paint;
+	    rcc[1].paint = cc[1].paint;
+	    rcc[2].paint = mid[0].paint;
+	    rcc[3].paint = mid[1].paint;
+	    code = Fb_fill_region(pfs, rcc, x0, y0, x1, ym);
+	    cc[0].paint = mid[0].paint;
+	    cc[1].paint = mid[1].paint;
+	    y0 = ym;
+	} else {
+	    /* Subdivide in X. */
+	    float xm = (x0 + x1) * 0.5;
+
+	    if_debug1('|', "[|]dividing at x=%g\n", xm);
+	    v[0] = xm;
+	    v[1] = y0;
+	    code = gs_function_evaluate(pfn, v, mid[0].paint.values);
+	    if (code < 0)
+		return code;
+	    v[1] = y1;
+	    code = gs_function_evaluate(pfn, v, mid[1].paint.values);
+	    if (code < 0)
+		return code;
+	    rcc[0].paint = cc[0].paint;
+	    rcc[1].paint = mid[0].paint;
+	    rcc[2].paint = cc[2].paint;
+	    rcc[3].paint = mid[1].paint;
+	    code = Fb_fill_region(pfs, rcc, x0, y0, xm, y1);
+	    cc[0].paint = mid[0].paint;
+	    cc[2].paint = mid[1].paint;
+	    x0 = xm;
+	}
+	if (code < 0)
+	    return code;
+    }
+    goto top;
+}
+
+int
+gs_shading_Fb_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			     gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_Fb_t * const psh = (const gs_shading_Fb_t *)psh0;
+    gs_matrix save_ctm;
+    int xi, yi, code;
+    float x[2], y[2];
+    Fb_fill_state_t state;
+    gs_client_color cc[4];
+
+    shade_init_fill_state((shading_fill_state_t *) & state, psh0, dev, pis);
+    state.psh = psh;
+    /****** HACK FOR FIXED-POINT MATRIX MULTIPLY ******/
+    gs_currentmatrix((gs_state *) pis, &save_ctm);
+    gs_concat((gs_state *) pis, &psh->params.Matrix);
+    state.ptm = pis->ctm;
+    gs_setmatrix((gs_state *) pis, &save_ctm);
+    state.orthogonal = is_xxyy(&state.ptm) || is_xyyx(&state.ptm);
+    /* Compute the parameter X and Y ranges. */
+    {
+	gs_rect pbox;
+
+	gs_bbox_transform_inverse(rect, &psh->params.Matrix, &pbox);
+	x[0] = max(pbox.p.x, psh->params.Domain[0]);
+	x[1] = min(pbox.q.x, psh->params.Domain[1]);
+	y[0] = max(pbox.p.y, psh->params.Domain[2]);
+	y[1] = min(pbox.q.y, psh->params.Domain[3]);
+    }
+    for (xi = 0; xi < 2; ++xi)
+	for (yi = 0; yi < 2; ++yi) {
+	    float v[2];
+
+	    v[0] = x[xi], v[1] = y[yi];
+	    gs_function_evaluate(psh->params.Function, v,
+				 cc[yi * 2 + xi].paint.values);
+	}
+    code = Fb_fill_region(&state, cc, x[0], y[0], x[1], y[1]);
+    return code;
+}
+
+/* ---------------- Axial shading ---------------- */
+
+typedef struct A_fill_state_s {
+    shading_fill_state_common;
+    const gs_shading_A_t *psh;
+    gs_rect rect;
+    gs_point delta;
+    double length, dd;
+} A_fill_state_t;
+
+/* Note t0 and t1 vary over [0..1], not the Domain. */
+private int
+A_fill_region(const A_fill_state_t * pfs, gs_client_color cc[2],
+	      floatp t0, floatp t1)
+{
+    const gs_shading_A_t * const psh = pfs->psh;
+
+top:
+    if (!shade_colors2_converge(cc, (const shading_fill_state_t *)pfs)) {
+	/*
+	 * The colors don't converge.  Is the stripe less than 1 pixel wide?
+	 */
+	if (pfs->length * (t1 - t0) > 1)
+	    goto recur;
+    }
+    /* Fill the region with the color. */
+    {
+	gx_device_color dev_color;
+	const gs_color_space *pcs = psh->params.ColorSpace;
+	gs_imager_state *pis = pfs->pis;
+	double
+	    x0 = psh->params.Coords[0] + pfs->delta.x * t0,
+	    y0 = psh->params.Coords[1] + pfs->delta.y * t0;
+	double
+	    x1 = psh->params.Coords[0] + pfs->delta.x * t1,
+	    y1 = psh->params.Coords[1] + pfs->delta.y * t1;
+	gs_fixed_point pts[4];
+	int code;
+
+	(*pcs->type->restrict_color)(&cc[0], pcs);
+	(*pcs->type->remap_color)(&cc[0], pcs, &dev_color, pis,
+				  pfs->dev, gs_color_select_texture);
+	if (x0 == x1) {
+	    /* Stripe is horizontal. */
+	    x0 = pfs->rect.p.x;
+	    x1 = pfs->rect.q.x;
+	} else if (y0 == y1) {
+	    /* Stripe is vertical. */
+	    y0 = pfs->rect.p.y;
+	    y1 = pfs->rect.q.y;
+	} else {
+	    /*
+	     * Stripe is neither horizontal nor vertical.
+	     * Extend it to the edges of the rectangle.
+	     */
+	    gx_path *ppath = gx_path_alloc(pis->memory, "A_fill");
+	    double dist = max(pfs->rect.q.x - pfs->rect.p.x,
+			      pfs->rect.q.y - pfs->rect.p.y);
+	    double denom = hypot(pfs->delta.x, pfs->delta.y);
+	    double dx = dist * pfs->delta.y / denom,
+		dy = -dist * pfs->delta.x / denom;
+
+	    if_debug6('|', "[|]p0=(%g,%g), p1=(%g,%g), dxy=(%g,%g)\n",
+		      x0, y0, x1, y1, dx, dy);
+	    gs_point_transform2fixed(&pis->ctm, x0 - dx, y0 - dy, &pts[0]);
+	    gs_point_transform2fixed(&pis->ctm, x0 + dx, y0 + dy, &pts[1]);
+	    gs_point_transform2fixed(&pis->ctm, x1 + dx, y1 + dy, &pts[2]);
+	    gs_point_transform2fixed(&pis->ctm, x1 - dx, y1 - dy, &pts[3]);
+	    gx_path_add_point(ppath, pts[0].x, pts[0].y);
+	    gx_path_add_lines(ppath, pts + 1, 3);
+	    code = shade_fill_path((const shading_fill_state_t *)pfs,
+				   ppath, &dev_color);
+	    gx_path_free(ppath, "A_fill");
+	    return code;
+	}
+	/* Stripe is horizontal or vertical. */
+	gs_point_transform2fixed(&pis->ctm, x0, y0, &pts[0]);
+	gs_point_transform2fixed(&pis->ctm, x1, y1, &pts[1]);
+	return
+	    shade_fill_device_rectangle((const shading_fill_state_t *)pfs,
+					&pts[0], &pts[1], &dev_color);
+    }
+
+    /*
+     * No luck.  Subdivide the interval and recur.
+     */
+recur:
+    {
+	gs_client_color ccm, rcc[2];
+	gs_function_t *pfn = psh->params.Function;
+	float tm = (t0 + t1) * 0.5;
+	float dm = tm * pfs->dd + psh->params.Domain[0];
+
+	gs_function_evaluate(pfn, &dm, ccm.paint.values);
+	rcc[0].paint = cc[0].paint;
+	rcc[1].paint = ccm.paint;
+	A_fill_region(pfs, rcc, t0, tm);
+	cc[0].paint = ccm.paint;
+	t0 = tm;
+	goto top;
+    }
+}
+
+int
+gs_shading_A_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			    gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_A_t *const psh = (const gs_shading_A_t *)psh0;
+    A_fill_state_t state;
+    gs_client_color cc[2];
+    float d0 = psh->params.Domain[0], d1 = psh->params.Domain[1], dd = d1 - d0;
+    float t[2];
+    gs_point dist;
+    int i;
+
+    shade_init_fill_state((shading_fill_state_t *) & state, psh0, dev, pis);
+    state.psh = psh;
+    state.rect = *rect;
+    /* Compute the parameter range. */
+    t[0] = d0;
+    t[1] = d1;
+/****** INTERSECT Domain WITH rect ******/
+    for (i = 0; i < 2; ++i)
+	gs_function_evaluate(psh->params.Function, &t[i],
+			     cc[i].paint.values);
+    state.delta.x = psh->params.Coords[2] - psh->params.Coords[0];
+    state.delta.y = psh->params.Coords[3] - psh->params.Coords[1];
+    gs_distance_transform(state.delta.x, state.delta.y, &ctm_only(pis),
+			  &dist);
+    state.length = hypot(dist.x, dist.y);	/* device space line length */
+    state.dd = dd;
+/****** DOESN'T HANDLE Extend ******/
+    return A_fill_region(&state, cc, (t[0] - d0) / dd, (t[1] - d0) / dd);
+}
+
+/* ---------------- Radial shading ---------------- */
+
+typedef struct R_fill_state_s {
+    shading_fill_state_common;
+    const gs_shading_R_t *psh;
+    gs_rect rect;
+    gs_point delta;
+    double dr, width, dd;
+} R_fill_state_t;
+
+/* Note t0 and t1 vary over [0..1], not the Domain. */
+private int
+R_fill_region(const R_fill_state_t * pfs, gs_client_color cc[2],
+	      floatp t0, floatp t1)
+{
+    const gs_shading_R_t * const psh = pfs->psh;
+
+top:
+    if (!shade_colors2_converge(cc, (const shading_fill_state_t *)pfs)) {
+	/*
+	 * The colors don't converge.  Is the annulus less than 1 pixel wide?
+	 */
+	if (pfs->width * (t1 - t0) > 1)
+	    goto recur;
+	/* We could do the 1-pixel case a lot faster! */
+    }
+    /* Fill the region with the color. */
+    {
+	gx_device_color dev_color;
+	const gs_color_space *pcs = psh->params.ColorSpace;
+	gs_imager_state *pis = pfs->pis;
+	double
+	    x0 = psh->params.Coords[0] + pfs->delta.x * t0,
+	    y0 = psh->params.Coords[1] + pfs->delta.y * t0,
+	    r0 = psh->params.Coords[2] + pfs->dr * t0;
+	double
+	    x1 = psh->params.Coords[0] + pfs->delta.x * t1,
+	    y1 = psh->params.Coords[1] + pfs->delta.y * t1,
+	    r1 = psh->params.Coords[2] + pfs->dr * t1;
+	gx_path *ppath = gx_path_alloc(pis->memory, "R_fill");
+	int code;
+
+	(*pcs->type->restrict_color)(&cc[0], pcs);
+	(*pcs->type->remap_color)(&cc[0], pcs, &dev_color, pis,
+				  pfs->dev, gs_color_select_texture);
+	if ((code = gs_imager_arc_add(ppath, pis, false, x0, y0, r0,
+				      0.0, 360.0, false)) >= 0 &&
+	    (code = gs_imager_arc_add(ppath, pis, true, x1, y1, r1,
+				      0.0, 360.0, false)) >= 0
+	    ) {
+	    code = shade_fill_path((const shading_fill_state_t *)pfs,
+				   ppath, &dev_color);
+	}
+	gx_path_free(ppath, "R_fill");
+	return code;
+    }
+
+    /*
+     * No luck.  Subdivide the interval and recur.
+     */
+recur:
+    {
+	gs_client_color ccm, rcc[2];
+	gs_function_t *pfn = psh->params.Function;
+	float tm = (t0 + t1) * 0.5;
+	float dm = tm * pfs->dd + psh->params.Domain[0];
+
+	gs_function_evaluate(pfn, &dm, ccm.paint.values);
+	rcc[0].paint = cc[0].paint;
+	rcc[1].paint = ccm.paint;
+	R_fill_region(pfs, rcc, t0, tm);
+	cc[0].paint = ccm.paint;
+	t0 = tm;
+	goto top;
+    }
+}
+
+int
+gs_shading_R_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			    gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_R_t *const psh = (const gs_shading_R_t *)psh0;
+    R_fill_state_t state;
+    gs_client_color cc[2];
+    float d0 = psh->params.Domain[0], d1 = psh->params.Domain[1], dd = d1 - d0;
+    float t[2];
+    int i;
+
+    shade_init_fill_state((shading_fill_state_t *) & state, psh0, dev, pis);
+    state.psh = psh;
+    state.rect = *rect;
+    /* Compute the parameter range. */
+    t[0] = d0;
+    t[1] = d1;
+/****** INTERSECT Domain WITH rect ******/
+    for (i = 0; i < 2; ++i)
+	gs_function_evaluate(psh->params.Function, &t[i],
+			     cc[i].paint.values);
+    state.delta.x = psh->params.Coords[3] - psh->params.Coords[0];
+    state.delta.y = psh->params.Coords[4] - psh->params.Coords[1];
+    state.dr = psh->params.Coords[5] - psh->params.Coords[2];
+    /*
+     * Compute the annulus width in its thickest direction.  This is
+     * only used for a conservative check, so it can be pretty crude
+     * (and it is!).
+     */
+    state.width =
+	(fabs(pis->ctm.xx) + fabs(pis->ctm.xy) + fabs(pis->ctm.yx) +
+	 fabs(pis->ctm.yy)) * fabs(state.dr);
+    state.dd = dd;
+/****** DOESN'T HANDLE Extend ******/
+    return R_fill_region(&state, cc, (t[0] - d0) / dd, (t[1] - d0) / dd);
+}
diff --git a/pstoraster/gxshade4.c b/pstoraster/gxshade4.c
new file mode 100644
index 000000000..f4daab43d
--- /dev/null
+++ b/pstoraster/gxshade4.c
@@ -0,0 +1,285 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Rendering for Gouraud triangle shadings */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gscoord.h */
+#include "gscoord.h"
+#include "gxcspace.h"
+#include "gxdcolor.h"
+#include "gxdevcli.h"
+#include "gxistate.h"
+#include "gxpath.h"
+#include "gxshade.h"
+#include "gxshade4.h"
+
+/* ---------------- Triangle mesh filling ---------------- */
+
+/* Initialize the fill state for triangle shading. */
+void
+mesh_init_fill_state(mesh_fill_state_t * pfs, const gs_shading_mesh_t * psh,
+		     const gs_rect * rect, gx_device * dev,
+		     gs_imager_state * pis)
+{
+    shade_init_fill_state((shading_fill_state_t *) pfs,
+			  (const gs_shading_t *)psh, dev, pis);
+    pfs->pshm = psh;
+    shade_bbox_transform2fixed(rect, pis, &pfs->rect);
+}
+
+#define SET_MIN_MAX_3(vmin, vmax, a, b, c)\
+  if ( a < b ) vmin = a, vmax = b; else vmin = b, vmax = a;\
+  if ( c < vmin ) vmin = c; else if ( c > vmax ) vmax = c
+
+int
+mesh_fill_triangle(const mesh_fill_state_t * pfs, const mesh_vertex_t *va,
+		   const mesh_vertex_t *vb, const mesh_vertex_t *vc,
+		   bool check)
+{
+    const gs_shading_mesh_t *psh = pfs->pshm;
+    int ci;
+
+    /*
+     * Fill the triangle with vertices at va->p, vb->p, and vc->p
+     * with color va->cc.
+     * If check is true, check for whether the triangle is entirely
+     * inside the rectangle, entirely outside, or partly inside;
+     * if check is false, assume the triangle is entirely inside.
+     */
+    if (check) {
+	fixed xmin, ymin, xmax, ymax;
+
+	SET_MIN_MAX_3(xmin, xmax, va->p.x, vb->p.x, vc->p.x);
+	SET_MIN_MAX_3(ymin, ymax, va->p.y, vb->p.y, vc->p.y);
+	if (xmin >= pfs->rect.p.x && xmax <= pfs->rect.q.x &&
+	    ymin >= pfs->rect.p.y && ymax <= pfs->rect.q.y
+	    ) {
+	    /* The triangle is entirely inside the rectangle. */
+	    check = false;
+	} else if (xmin >= pfs->rect.q.x || xmax <= pfs->rect.p.x ||
+		   ymin >= pfs->rect.q.y || ymax <= pfs->rect.p.y
+	    ) {
+	    /* The triangle is entirely outside the rectangle. */
+	    return 0;
+	}
+    }
+    /* Check whether the colors fall within the smoothness criterion. */
+    for (ci = 0; ci < pfs->num_components; ++ci) {
+	float c0 = va->cc[ci], c1 = vb->cc[ci], c2 = vc->cc[ci];
+	float cmin, cmax;
+
+	SET_MIN_MAX_3(cmin, cmax, c0, c1, c2);
+	if (cmax - cmin > pfs->cc_max_error[ci])
+	    goto recur;
+    }
+    /* Fill the triangle with the color. */
+    {
+	gx_device_color dev_color;
+	const gs_color_space *pcs = psh->params.ColorSpace;
+	gs_imager_state *pis = pfs->pis;
+	gs_client_color fcc;
+	int code;
+
+	memcpy(&fcc.paint, va->cc, sizeof(fcc.paint));
+	(*pcs->type->restrict_color)(&fcc, pcs);
+	(*pcs->type->remap_color)(&fcc, pcs, &dev_color, pis,
+				  pfs->dev, gs_color_select_texture);
+/****** SHOULD ADD adjust ON ANY OUTSIDE EDGES ******/
+#if 0
+	{
+	    gx_path *ppath = gx_path_alloc(pis->memory, "Gt_fill");
+
+	    gx_path_add_point(ppath, va->p.x, va->p.y);
+	    gx_path_add_line(ppath, vb->p.x, vb->p.y);
+	    gx_path_add_line(ppath, vc->p.x, vc->p.y);
+	    code = shade_fill_path((const shading_fill_state_t *)pfs,
+				   ppath, &dev_color);
+	    gx_path_free(ppath, "Gt_fill");
+	}
+#else
+	code = (*dev_proc(pfs->dev, fill_triangle))
+	    (pfs->dev, va->p.x, va->p.y,
+	     vb->p.x - va->p.x, vb->p.y - va->p.y,
+	     vc->p.x - va->p.x, vc->p.y - va->p.y,
+	     &dev_color, pis->log_op);
+#endif
+	return code;
+    }
+    /*
+     * Subdivide the triangle and recur.  The only subdivision method
+     * that doesn't seem to create anomalous shapes divides the
+     * triangle in 4, using the midpoints of each side.
+     */
+recur:
+    {
+	mesh_vertex_t vab, vac, vbc;
+	int i;
+	int code;
+
+#define MIDPOINT_FAST(a,b) arith_rshift_1((a) + (b) + 1)
+	vab.p.x = MIDPOINT_FAST(va->p.x, vb->p.x);
+	vab.p.y = MIDPOINT_FAST(va->p.y, vb->p.y);
+	vac.p.x = MIDPOINT_FAST(va->p.x, vc->p.x);
+	vac.p.y = MIDPOINT_FAST(va->p.y, vc->p.y);
+	vbc.p.x = MIDPOINT_FAST(vb->p.x, vc->p.x);
+	vbc.p.y = MIDPOINT_FAST(vb->p.y, vc->p.y);
+#undef MIDPOINT_FAST
+	for (i = 0; i < pfs->num_components; ++i) {
+	    float ta = va->cc[i], tb = vb->cc[i], tc = vc->cc[i];
+
+	    vab.cc[i] = (ta + tb) * 0.5;
+	    vac.cc[i] = (ta + tc) * 0.5;
+	    vbc.cc[i] = (tb + tc) * 0.5;
+	}
+	/* Do the "A" triangle. */
+	code = mesh_fill_triangle(pfs, va, &vab, &vac, check);
+	if (code < 0)
+	    return code;
+	/* Do the central triangle. */
+	code = mesh_fill_triangle(pfs, &vab, &vac, &vbc, check);
+	if (code < 0)
+	    return code;
+	/* Do the "C" triangle. */
+	code = mesh_fill_triangle(pfs, &vac, &vbc, vc, check);
+	if (code < 0)
+	    return code;
+	/* Do the "B" triangle. */
+	return mesh_fill_triangle(pfs, &vab, vb, &vbc, check);
+    }
+}
+
+/* ---------------- Gouraud triangle shadings ---------------- */
+
+private int
+Gt_next_vertex(const gs_shading_mesh_t * psh, shade_coord_stream_t * cs,
+	       mesh_vertex_t * vertex)
+{
+    int code = shade_next_vertex(cs, vertex);
+
+    if (code >= 0 && psh->params.Function) {
+	/* Decode the color with the function. */
+	code = gs_function_evaluate(psh->params.Function, vertex->cc,
+				    vertex->cc);
+    }
+    return code;
+}
+
+inline private int
+Gt_fill_triangle(const mesh_fill_state_t * pfs, const mesh_vertex_t * va,
+		 const mesh_vertex_t * vb, const mesh_vertex_t * vc)
+{
+    return mesh_fill_triangle(pfs, va, vb, vc, true);
+}
+
+int
+gs_shading_FfGt_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			       gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_FfGt_t * const psh = (const gs_shading_FfGt_t *)psh0;
+    mesh_fill_state_t state;
+    shade_coord_stream_t cs;
+    int num_bits = psh->params.BitsPerFlag;
+    int flag;
+    mesh_vertex_t va, vb, vc;
+
+    mesh_init_fill_state(&state, (const gs_shading_mesh_t *)psh, rect,
+			 dev, pis);
+    shade_next_init(&cs, (const gs_shading_mesh_params_t *)&psh->params,
+		    pis);
+    while ((flag = shade_next_flag(&cs, num_bits)) >= 0) {
+	int code;
+
+	switch (flag) {
+	    default:
+		return_error(gs_error_rangecheck);
+	    case 0:
+		if ((code = Gt_next_vertex(state.pshm, &cs, &va)) < 0 ||
+		    (code = shade_next_flag(&cs, num_bits)) < 0 ||
+		    (code = Gt_next_vertex(state.pshm, &cs, &vb)) < 0 ||
+		    (code = shade_next_flag(&cs, num_bits)) < 0
+		    )
+		    return code;
+		goto v2;
+	    case 1:
+		va = vb;
+	    case 2:
+		vb = vc;
+v2:		if ((code = Gt_next_vertex(state.pshm, &cs, &vc)) < 0 ||
+		    (code = Gt_fill_triangle(&state, &va, &vb, &vc)) < 0
+		    )
+		    return code;
+	}
+    }
+    return 0;
+}
+
+int
+gs_shading_LfGt_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			       gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_LfGt_t * const psh = (const gs_shading_LfGt_t *)psh0;
+    mesh_fill_state_t state;
+    shade_coord_stream_t cs;
+    mesh_vertex_t *vertex;
+    mesh_vertex_t next;
+    int per_row = psh->params.VerticesPerRow;
+    int i, code = 0;
+
+    mesh_init_fill_state(&state, (const gs_shading_mesh_t *)psh, rect,
+			 dev, pis);
+    shade_next_init(&cs, (const gs_shading_mesh_params_t *)&psh->params,
+		    pis);
+    vertex = (mesh_vertex_t *)
+	gs_alloc_byte_array(pis->memory, per_row, sizeof(*vertex),
+			    "gs_shading_LfGt_render");
+    if (vertex == 0)
+	return_error(gs_error_VMerror);
+    for (i = 0; i < per_row; ++i)
+	if ((code = Gt_next_vertex(state.pshm, &cs, &vertex[i])) < 0)
+	    goto out;
+    while (!seofp(cs.s)) {
+	code = Gt_next_vertex(state.pshm, &cs, &next);
+	if (code < 0)
+	    goto out;
+	for (i = 1; i < per_row; ++i) {
+	    code = Gt_fill_triangle(&state, &vertex[i - 1], &vertex[i], &next);
+	    if (code < 0)
+		goto out;
+	    vertex[i - 1] = next;
+	    code = Gt_next_vertex(state.pshm, &cs, &next);
+	    if (code < 0)
+		goto out;
+	    code = Gt_fill_triangle(&state, &vertex[i], &vertex[i - 1], &next);
+	    if (code < 0)
+		goto out;
+	}
+	vertex[per_row - 1] = next;
+    }
+out:
+    gs_free_object(pis->memory, vertex, "gs_shading_LfGt_render");
+    return code;
+}
diff --git a/pstoraster/gxshade4.h b/pstoraster/gxshade4.h
new file mode 100644
index 000000000..5a6189468
--- /dev/null
+++ b/pstoraster/gxshade4.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for triangle shading rendering */
+
+#ifndef gxshade4_INCLUDED
+#  define gxshade4_INCLUDED
+
+/*
+ * Define the fill state structure for triangle shadings.  This is used
+ * both for the Gouraud triangle shading types and for the Coons and
+ * tensor patch types.
+ *
+ * The shading pointer is named pshm rather than psh in case subclasses
+ * also want to store a pointer of a more specific type.
+ */
+#define mesh_fill_state_common\
+  shading_fill_state_common;\
+  const gs_shading_mesh_t *pshm;\
+  gs_fixed_rect rect
+typedef struct mesh_fill_state_s {
+    mesh_fill_state_common;
+} mesh_fill_state_t;
+
+/* Initialize the fill state for triangle shading. */
+void mesh_init_fill_state(P5(mesh_fill_state_t * pfs,
+			     const gs_shading_mesh_t * psh,
+			     const gs_rect * rect,
+			     gx_device * dev, gs_imager_state * pis));
+
+/* Fill one triangle in a mesh. */
+int mesh_fill_triangle(P5(const mesh_fill_state_t * pfs,
+			  const mesh_vertex_t *va, const mesh_vertex_t *vb,
+			  const mesh_vertex_t *vc, bool check_clipping));
+
+#endif /* gxshade4_INCLUDED */
diff --git a/pstoraster/gxshade6.c b/pstoraster/gxshade6.c
new file mode 100644
index 000000000..4934e33e8
--- /dev/null
+++ b/pstoraster/gxshade6.c
@@ -0,0 +1,566 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Rendering for Coons and tensor patch shadings */
+#include "memory_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsmatrix.h"		/* for gscoord.h */
+#include "gscoord.h"
+#include "gxcspace.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gxshade.h"
+#include "gxshade4.h"
+#include "gzpath.h"
+
+/* ================ Utilities ================ */
+
+/* Define one segment (vertex and next control points) of a curve. */
+typedef struct patch_curve_s {
+    mesh_vertex_t vertex;
+    gs_fixed_point control[2];
+} patch_curve_t;
+
+/* Get colors for patch vertices. */
+private int
+shade_next_colors(shade_coord_stream_t * cs, patch_curve_t * curves,
+		  int num_vertices)
+{
+    int i, code = 0;
+
+    for (i = 0; i < num_vertices && code >= 0; ++i)
+	code = shade_next_color(cs, curves[i].vertex.cc);
+    return code;
+}
+
+/* Get a Bezier or tensor patch element. */
+private int
+shade_next_curve(shade_coord_stream_t * cs, patch_curve_t * curve)
+{
+    int code = shade_next_coords(cs, &curve->vertex.p, 1);
+
+    if (code >= 0)
+	code = shade_next_coords(cs, curve->control,
+				 countof(curve->control));
+    return code;
+}
+
+/* Define a color to be used in curve rendering. */
+/* This may be a real client color, or a parametric function argument. */
+typedef struct patch_color_s {
+    float t;			/* parametric value */
+    gs_client_color cc;
+} patch_color_t;
+
+/*
+ * Parse the next patch out of the input stream.  Return 1 if done,
+ * 0 if patch, <0 on error.
+ */
+private int
+shade_next_patch(shade_coord_stream_t * cs, int BitsPerFlag,
+patch_curve_t curve[4], gs_fixed_point interior[4] /* 0 for Coons patch */ )
+{
+    int flag = shade_next_flag(cs, BitsPerFlag);
+    int num_colors, code;
+
+    if (flag < 0)
+	return 1;		/* no more data */
+    switch (flag & 3) {
+	default:
+	    return_error(gs_error_rangecheck);	/* not possible */
+	case 0:
+	    if ((code = shade_next_curve(cs, &curve[0])) < 0 ||
+		(code = shade_next_coords(cs, &curve[1].vertex.p, 1)) < 0
+		)
+		return code;
+	    num_colors = 4;
+	    goto vx;
+	case 1:
+	    curve[0] = curve[1], curve[1].vertex = curve[2].vertex;
+	    goto v3;
+	case 2:
+	    curve[0] = curve[2], curve[1].vertex = curve[3].vertex;
+	    goto v3;
+	case 3:
+	    curve[1].vertex = curve[0].vertex, curve[0] = curve[3];
+v3:	    num_colors = 2;
+vx:	    if ((code = shade_next_coords(cs, curve[1].control, 2)) < 0 ||
+		(code = shade_next_curve(cs, &curve[2])) < 0 ||
+		(code = shade_next_curve(cs, &curve[3])) < 0 ||
+		(interior != 0 &&
+		 (code = shade_next_coords(cs, interior, 4)) < 0) ||
+		(code = shade_next_colors(cs, &curve[4 - num_colors],
+					  num_colors)) < 0
+		)
+		return code;
+    }
+    return 0;
+}
+
+/* Define the common state for rendering Coons and tensor patches. */
+typedef struct patch_fill_state_s {
+    mesh_fill_state_common;
+    const gs_function_t *Function;
+} patch_fill_state_t;
+
+/* Calculate the interpolated color at a given point. */
+/* Note that we must do this twice for bilinear interpolation. */
+private void
+patch_interpolate_color(patch_color_t * ppc, const patch_color_t * ppc0,
+       const patch_color_t * ppc1, const patch_fill_state_t * pfs, floatp t)
+{
+    if (pfs->Function)
+	ppc->t = ppc0->t + t * (ppc1->t - ppc0->t);
+    else {
+	int ci;
+
+	for (ci = pfs->num_components - 1; ci >= 0; --ci)
+	    ppc->cc.paint.values[ci] =
+		ppc0->cc.paint.values[ci] +
+		t * (ppc1->cc.paint.values[ci] - ppc0->cc.paint.values[ci]);
+    }
+}
+
+/* Resolve a patch color using the Function if necessary. */
+private void
+patch_resolve_color(patch_color_t * ppc, const patch_fill_state_t * pfs)
+{
+    if (pfs->Function)
+	gs_function_evaluate(pfs->Function, &ppc->t, ppc->cc.paint.values);
+}
+
+/* ================ Specific shadings ================ */
+
+/*
+ * The curves are stored in a clockwise or counter-clockwise order that maps
+ * to the patch definition in a non-intuitive way:
+ */
+/* The starting points of the curves: */
+#define C1START 0
+#define D1START 0
+#define C2START 3
+#define D2START 1
+/* The control points of the curves (x means reversed order): */
+#define C1CTRL 0
+#define D1XCTRL 3
+#define C2XCTRL 2
+#define D2CTRL 1
+/* The end points of the curves: */
+#define C1END 1
+#define D1END 3
+#define C2END 2
+#define D2END 2
+
+/* ---------------- Common code ---------------- */
+
+/* Evaluate a curve at a given point. */
+private void
+curve_eval(gs_fixed_point * pt, const gs_fixed_point * p0,
+	   const gs_fixed_point * p1, const gs_fixed_point * p2,
+	   const gs_fixed_point * p3, floatp t)
+{
+    fixed a, b, c, d;
+    fixed t01, t12;
+
+    d = p0->x;
+    curve_points_to_coefficients(d, p1->x, p2->x, p3->x,
+				 a, b, c, t01, t12);
+    pt->x = (fixed) (((a * t + b) * t + c) * t + d);
+    d = p0->y;
+    curve_points_to_coefficients(d, p1->y, p2->y, p3->y,
+				 a, b, c, t01, t12);
+    pt->y = (fixed) (((a * t + b) * t + c) * t + d);
+    if_debug3('2', "[2]t=%g => (%g,%g)\n", t, fixed2float(pt->x),
+	      fixed2float(pt->y));
+}
+
+/*
+ * Merge two arrays of splits, sorted in increasing order.
+ * Return the number of entries in the result, which might be less than
+ * n1 + n2 (if an a1 entry is equal to an a2 entry).
+ * a1 or a2 may overlap out as long as a1 - out >= n2 or a2 - out >= n1
+ * respectively.
+ */
+private int
+merge_splits(double *out, const double *a1, int n1, const double *a2, int n2)
+{
+    double *p = out;
+    int i1 = 0, i2 = 0;
+
+    /*
+     * We would like to write the body of the loop as an assignement
+     * with a conditional expression on the right, but gcc 2.7.2.3
+     * generates incorrect code if we do this.
+     */
+    while (i1 < n1 || i2 < n2)
+	if (i1 == n1)
+	    *p++ = a2[i2++];
+	else if (i2 == n2 || a1[i1] < a2[i2])
+	    *p++ = a1[i1++];
+	else if (a1[i1] > a2[i2])
+	    *p++ = a2[i2++];
+	else
+	    i1++, *p++ = a2[i2++];
+    return p - out;
+}
+
+/* Split a curve in both X and Y.  Return the number of split points. */
+private int
+split_xy(double out[4], const patch_curve_t * curve, const gs_fixed_point * p3)
+{
+    double tx[2], ty[2];
+
+    return merge_splits(out, tx,
+			gx_curve_monotonic_points(curve->vertex.p.x,
+						  curve->control[0].x,
+						  curve->control[1].x,
+						  p3->x, tx),
+			ty,
+			gx_curve_monotonic_points(curve->vertex.p.y,
+						  curve->control[0].y,
+						  curve->control[1].y,
+						  p3->y, ty));
+}
+
+/*
+ * Compute the joint split points of 2 curves.
+ * Return the number of split points.
+ */
+private int
+split2_xy(double out[8], const patch_curve_t * curve1,
+	  const gs_fixed_point * p31, const patch_curve_t * curve2,
+	  const gs_fixed_point * p32)
+{
+    double t1[4], t2[4];
+
+    return merge_splits(out, t1, split_xy(t1, curve1, p31),
+			t2, split_xy(t2, curve2, p32));
+}
+
+private int
+patch_fill(const patch_fill_state_t * pfs, const patch_curve_t curve[4],
+	   const gs_fixed_point interior[4],
+	   void (*transform) (P5(gs_fixed_point *, const patch_curve_t[4],
+				 const gs_fixed_point[4], floatp, floatp)))
+{	/*
+	 * The specification says the output must appear to be produced in
+	 * order of increasing values of v, and for equal v, in order of
+	 * increasing u.  However, all we actually have to do is follow this
+	 * order with respect to sub-patches that might overlap, which can
+	 * only occur as a result of non-monotonic curves; we can render
+	 * each monotonic sub-patch in any order we want.  Therefore, we
+	 * begin by breaking up the patch into pieces that are monotonic
+	 * with respect to all 4 edges.  Since each edge has no more than
+	 * 2 X and 2 Y split points (for a total of 4), taking both edges
+	 * together we have a maximum of 8 split points for each axis.
+	 *
+	 * The current documentation doesn't say how the 4 curves
+	 * correspond to the 'u' or 'v' edges.  Pending clarification from
+	 * Adobe, we assume the 1st and 3rd are the 'u' edges and the
+	 * 2nd and 4th are the 'v' edges.
+	 ****** CHECK AGAINST UPDATED DOC ******
+	 */
+    double u[9], v[9];
+    int nu = split2_xy(u, &curve[0], &curve[1].vertex.p,
+		       &curve[2], &curve[3].vertex.p);
+    int nv = split2_xy(v, &curve[1], &curve[2].vertex.p,
+		       &curve[3], &curve[0].vertex.p);
+    int iu, iv, ju, jv, ku, kv;
+    double du, dv;
+    double v0, v1, vn, u0, u1, un;
+    patch_color_t c0, c1, c2, c3;
+    /*
+     * At some future time, we should set check = false if the curves
+     * fall entirely within the bounding rectangle.  (Only a small
+     * performance optimization, to avoid making this check for each
+     * triangle.)
+     */
+    bool check = true;
+
+#ifdef DEBUG
+    if (gs_debug_c('2')) {
+	int k;
+
+	dlputs("[2]patch curves:\n");
+	for (k = 0; k < 4; ++k)
+	    dprintf6("        (%g,%g) (%g,%g)(%g,%g)\n",
+		     fixed2float(curve[k].vertex.p.x),
+		     fixed2float(curve[k].vertex.p.y),
+		     fixed2float(curve[k].control[0].x),
+		     fixed2float(curve[k].control[0].y),
+		     fixed2float(curve[k].control[1].x),
+		     fixed2float(curve[k].control[1].y));
+    }
+#endif
+    /* Add boundary values to simplify the iteration. */
+    u[nu] = 1;
+    v[nv] = 1;
+
+    /*
+     * We're going to fill the curves by flattening them and then filling
+     * the resulting triangles.  Start by computing the number of
+     * segments required for flattening each side of the patch.
+     */
+    {
+	fixed flatness = float2fixed(pfs->pis->flatness);
+	int i;
+	int log2_k[4];
+
+	for (i = 0; i < 4; ++i) {
+	    curve_segment cseg;
+
+	    cseg.p1 = curve[i].control[0];
+	    cseg.p2 = curve[i].control[1];
+	    cseg.pt = curve[(i + 1) & 3].vertex.p;
+	    log2_k[i] =
+		gx_curve_log2_samples(curve[i].vertex.p.x, curve[i].vertex.p.y,
+				      &cseg, flatness);
+	}
+	ku = 1 << max(log2_k[0], log2_k[2]);
+	kv = 1 << max(log2_k[1], log2_k[3]);
+    }
+    /*
+     * Since ku and kv are powers of 2, and since log2(k) is surely less
+     * than the number of bits in the mantissa of a double, 1/k ...
+     * (k-1)/k can all be represented exactly as doubles.
+     */
+    du = 1.0 / ku;
+    dv = 1.0 / kv;
+
+    /* Precompute the colors at the corners. */
+
+#define PATCH_SET_COLOR(c, v)\
+  if ( pfs->Function ) c.t = v.cc[0];\
+  else memcpy(c.cc.paint.values, v.cc, sizeof(c.cc.paint.values))
+
+	PATCH_SET_COLOR(c0, curve[0].vertex);
+	PATCH_SET_COLOR(c1, curve[1].vertex);
+	PATCH_SET_COLOR(c2, curve[2].vertex);
+	PATCH_SET_COLOR(c3, curve[3].vertex);
+
+#undef PATCH_SET_COLOR
+
+    /* Now iterate over the sub-patches. */
+    for (iv = 0, jv = 0, v0 = 0, v1 = vn = dv; jv < kv; v0 = v1, v1 = vn) {
+	patch_color_t cv[4];
+
+	/* Subdivide the interval if it crosses a split point. */
+
+#define CHECK_SPLIT(ix, jx, x1, xn, dx, ax)\
+  if (x1 > ax[ix])\
+      x1 = ax[ix++];\
+  else {\
+      xn += dx;\
+      jx++;\
+      if (x1 == ax[ix])\
+	  ix++;\
+  }
+
+	CHECK_SPLIT(iv, jv, v1, vn, dv, v);
+
+	patch_interpolate_color(&cv[0], &c0, &c3, pfs, v0);
+	patch_interpolate_color(&cv[1], &c0, &c3, pfs, v1);
+	patch_interpolate_color(&cv[2], &c1, &c2, pfs, v0);
+	patch_interpolate_color(&cv[3], &c1, &c2, pfs, v1);
+
+	for (iu = 0, ju = 0, u0 = 0, u1 = un = du; ju < ku; u0 = u1, u1 = un) {
+	    patch_color_t cu[4];
+	    int code;
+
+	    CHECK_SPLIT(iu, ju, u1, un, du, u);
+
+#undef CHECK_SPLIT
+
+	    patch_interpolate_color(&cu[0], &cv[0], &cv[2], pfs, u0);
+	    patch_resolve_color(&cu[0], pfs);
+	    patch_interpolate_color(&cu[1], &cv[0], &cv[2], pfs, u1);
+	    patch_resolve_color(&cu[1], pfs);
+	    patch_interpolate_color(&cu[2], &cv[1], &cv[3], pfs, u1);
+	    patch_resolve_color(&cu[2], pfs);
+	    patch_interpolate_color(&cu[3], &cv[1], &cv[3], pfs, u0);
+	    patch_resolve_color(&cu[3], pfs);
+	    if_debug6('2', "[2]u[%d]=(%g,%g), v[%d]=(%g,%g)\n",
+		      iu, u0, u1, iv, v0, v1);
+
+	    /* Fill the sub-patch given by ((u0,v0),(u1,v1)). */
+	    {
+		mesh_vertex_t mv[4];
+
+		(*transform)(&mv[0].p, curve, interior, u0, v0);
+		(*transform)(&mv[1].p, curve, interior, u1, v0);
+		(*transform)(&mv[2].p, curve, interior, u1, v1);
+		(*transform)(&mv[3].p, curve, interior, u0, v1);
+		memcpy(&mv[0].cc, cu[0].cc.paint.values, sizeof(mv[0].cc));
+		memcpy(&mv[1].cc, cu[1].cc.paint.values, sizeof(mv[1].cc));
+		memcpy(&mv[2].cc, cu[2].cc.paint.values, sizeof(mv[2].cc));
+		memcpy(&mv[3].cc, cu[3].cc.paint.values, sizeof(mv[3].cc));
+		code = mesh_fill_triangle((const mesh_fill_state_t *)pfs,
+					  &mv[0], &mv[1], &mv[2], check);
+		if (code < 0)
+		    return code;
+		code = mesh_fill_triangle((const mesh_fill_state_t *)pfs,
+					  &mv[2], &mv[3], &mv[0], check);
+		if (code < 0)
+		    return code;
+	    }
+	}
+    }
+    return 0;
+}
+
+/* ---------------- Coons patch shading ---------------- */
+
+/* Calculate the device-space coordinate corresponding to (u,v). */
+private void
+Cp_transform(gs_fixed_point * pt, const patch_curve_t curve[4],
+	     const gs_fixed_point ignore_interior[4], floatp u, floatp v)
+{
+    double co_u = 1.0 - u, co_v = 1.0 - v;
+    gs_fixed_point c1u, d1v, c2u, d2v;
+
+    curve_eval(&c1u, &curve[C1START].vertex.p,
+	       &curve[C1CTRL].control[0], &curve[C1CTRL].control[1],
+	       &curve[C1END].vertex.p, u);
+    curve_eval(&d1v, &curve[D1START].vertex.p,
+	       &curve[D1XCTRL].control[1], &curve[D1XCTRL].control[0],
+	       &curve[D1END].vertex.p, v);
+    curve_eval(&c2u, &curve[C2START].vertex.p,
+	       &curve[C2XCTRL].control[1], &curve[C2XCTRL].control[0],
+	       &curve[C2END].vertex.p, u);
+    curve_eval(&d2v, &curve[D2START].vertex.p,
+	       &curve[D2CTRL].control[0], &curve[D2CTRL].control[1],
+	       &curve[D2END].vertex.p, v);
+#define COMPUTE_COORD(xy)\
+    pt->xy = (fixed)\
+	((co_v * c1u.xy + v * c2u.xy) + (co_u * d1v.xy + u * d2v.xy) -\
+	 (co_v * (co_u * curve[C1START].vertex.p.xy +\
+		  u * curve[C1END].vertex.p.xy) +\
+	  v * (co_u * curve[C2START].vertex.p.xy +\
+	       u * curve[C2END].vertex.p.xy)))
+    COMPUTE_COORD(x);
+    COMPUTE_COORD(y);
+#undef COMPUTE_COORD
+    if_debug4('2', "[2](u=%g,v=%g) => (%g,%g)\n",
+	      u, v, fixed2float(pt->x), fixed2float(pt->y));
+}
+
+int
+gs_shading_Cp_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			     gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_Cp_t * const psh = (const gs_shading_Cp_t *)psh0;
+    patch_fill_state_t state;
+    shade_coord_stream_t cs;
+    patch_curve_t curve[4];
+    int code;
+
+    mesh_init_fill_state((mesh_fill_state_t *) & state,
+			 (const gs_shading_mesh_t *)psh0, rect, dev, pis);
+    state.Function = psh->params.Function;
+    shade_next_init(&cs, (const gs_shading_mesh_params_t *)&psh->params,
+		    pis);
+    while ((code = shade_next_patch(&cs, psh->params.BitsPerFlag,
+				    curve, NULL)) == 0 &&
+	   (code = patch_fill(&state, curve, NULL, Cp_transform)) >= 0
+	)
+	DO_NOTHING;
+    return min(code, 0);
+}
+
+/* ---------------- Tensor product patch shading ---------------- */
+
+/* Calculate the device-space coordinate corresponding to (u,v). */
+private void
+Tpp_transform(gs_fixed_point * pt, const patch_curve_t curve[4],
+	      const gs_fixed_point interior[4], floatp u, floatp v)
+{
+    double Bu[4], Bv[4];
+    gs_fixed_point pts[4][4];
+    int i, j;
+    fixed x = 0, y = 0;
+
+    /* Compute the Bernstein polynomials of u and v. */
+    {
+	double u2 = u * u, co_u = 1.0 - u, co_u2 = co_u * co_u;
+	double v2 = v * v, co_v = 1.0 - v, co_v2 = co_v * co_v;
+
+	Bu[0] = co_u * co_u2, Bu[1] = 3 * u * co_u2,
+	    Bu[2] = 3 * u2 * co_u, Bu[3] = u * u2;
+	Bv[0] = co_v * co_v2, Bv[1] = 3 * v * co_v2,
+	    Bv[2] = 3 * v2 * co_v, Bv[3] = v * v2;
+    }
+
+    /* Arrange the points into an indexable order. */
+    pts[0][0] = curve[0].vertex.p;
+    pts[1][0] = curve[0].control[0];
+    pts[2][0] = curve[0].control[1];
+    pts[3][0] = curve[1].vertex.p;
+    pts[3][1] = curve[1].control[0];
+    pts[3][2] = curve[1].control[1];
+    pts[3][3] = curve[2].vertex.p;
+    pts[2][3] = curve[2].control[0];
+    pts[1][3] = curve[2].control[1];
+    pts[0][3] = curve[3].vertex.p;
+    pts[0][2] = curve[3].control[0];
+    pts[0][1] = curve[3].control[1];
+    pts[1][1] = interior[0];
+    pts[2][1] = interior[1];
+    pts[2][2] = interior[2];
+    pts[1][2] = interior[3];
+
+    /* Now compute the actual point. */
+    for (i = 0; i < 4; ++i)
+	for (j = 0; j < 4; ++j) {
+	    double coeff = Bu[i] * Bv[j];
+
+	    x += pts[i][j].x * coeff, y += pts[i][j].y * coeff;
+	}
+    pt->x = x, pt->y = y;
+}
+
+int
+gs_shading_Tpp_fill_rectangle(const gs_shading_t * psh0, const gs_rect * rect,
+			      gx_device * dev, gs_imager_state * pis)
+{
+    const gs_shading_Tpp_t * const psh = (const gs_shading_Tpp_t *)psh0;
+    patch_fill_state_t state;
+    shade_coord_stream_t cs;
+    patch_curve_t curve[4];
+    gs_fixed_point interior[4];
+    int code;
+
+    mesh_init_fill_state((mesh_fill_state_t *) & state,
+			 (const gs_shading_mesh_t *)psh0, rect, dev, pis);
+    state.Function = psh->params.Function;
+    shade_next_init(&cs, (const gs_shading_mesh_params_t *)&psh->params,
+		    pis);
+    while ((code = shade_next_patch(&cs, psh->params.BitsPerFlag,
+				    curve, interior)) == 0 &&
+	   (code = patch_fill(&state, curve, interior, Tpp_transform)) >= 0
+	)
+	DO_NOTHING;
+    return min(code, 0);
+}
diff --git a/pstoraster/gxstate.h b/pstoraster/gxstate.h
new file mode 100644
index 000000000..49ea57a91
--- /dev/null
+++ b/pstoraster/gxstate.h
@@ -0,0 +1,86 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal graphics state API */
+
+#ifndef gxstate_INCLUDED
+#  define gxstate_INCLUDED
+
+/* Opaque type for a graphics state */
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+
+#endif
+
+/*
+ * The interfaces in this file are for internal use only, primarily by the
+ * interpreter.  They are not guaranteed to remain stable from one release
+ * to another.
+ */
+
+/* Memory and save/restore management */
+gs_memory_t *gs_state_memory(P1(const gs_state *));
+gs_state *gs_state_saved(P1(const gs_state *));
+gs_state *gs_state_swap_saved(P2(gs_state *, gs_state *));
+gs_memory_t *gs_state_swap_memory(P2(gs_state *, gs_memory_t *));
+
+/*
+ * "Client data" interface for graphics states.
+ *
+ * As of release 4.36, the copy procedure is superseded by copy_for
+ * (although it will still be called if there is no copy_for procedure).
+ */
+typedef void *(*gs_state_alloc_proc_t) (P1(gs_memory_t * mem));
+typedef int (*gs_state_copy_proc_t) (P2(void *to, const void *from));
+typedef void (*gs_state_free_proc_t) (P2(void *old, gs_memory_t * mem));
+typedef enum {
+    copy_for_gsave,		/* from = current, to = new(saved) */
+    copy_for_grestore,		/* from = saved, to = current */
+    copy_for_gstate,		/* from = current, to = new(copy) */
+    copy_for_setgstate,		/* from = stored, to = current */
+    copy_for_copygstate,	/* from & to are specified explicitly */
+    copy_for_currentgstate	/* from = current, to = stored */
+} gs_state_copy_reason_t;
+
+/* Note that the 'from' argument of copy_for is not const. */
+/* This is deliberate -- some clients need this. */
+typedef int (*gs_state_copy_for_proc_t) (P3(void *to, void *from,
+					    gs_state_copy_reason_t reason));
+typedef struct gs_state_client_procs_s {
+    gs_state_alloc_proc_t alloc;
+    gs_state_copy_proc_t copy;
+    gs_state_free_proc_t free;
+    gs_state_copy_for_proc_t copy_for;
+} gs_state_client_procs;
+void gs_state_set_client(P3(gs_state *, void *, const gs_state_client_procs *));
+
+/* gzstate.h redefines the following: */
+#ifndef gs_state_client_data
+void *gs_state_client_data(P1(const gs_state *));
+
+#endif
+
+#endif /* gxstate_INCLUDED */
diff --git a/pstoraster/gxstroke.c b/pstoraster/gxstroke.c
new file mode 100644
index 000000000..77ff1094d
--- /dev/null
+++ b/pstoraster/gxstroke.c
@@ -0,0 +1,1319 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Path stroking procedures for Ghostscript library */
+#include "math_.h"
+#include "gx.h"
+#include "gpcheck.h"
+#include "gserrors.h"
+#include "gsdcolor.h"
+#include "gxfixed.h"
+#include "gxfarith.h"
+#include "gxmatrix.h"
+#include "gscoord.h"
+#include "gsdevice.h"
+#include "gxdevice.h"
+#include "gxhttile.h"
+#include "gxistate.h"
+#include "gzline.h"
+#include "gzpath.h"
+#include "gzcpath.h"
+#include "gxpaint.h"
+
+/*
+ * We don't really know whether it's a good idea to take fill adjustment
+ * into account for stroking.  Disregarding it means that strokes
+ * come out thinner than fills; observing it produces heavy-looking
+ * strokes at low resolutions.  But in any case, we must disregard it
+ * when stroking zero-width lines.
+ */
+#define USE_FILL_ADJUSTMENT
+
+#ifdef USE_FILL_ADJUSTMENT
+#  define stroke_adjustment(thin, pis, xy)\
+     (thin ? fixed_0 : (pis)->fill_adjust.xy)
+#else
+#  define stroke_adjustment(thin, pis, xy) fixed_0
+#endif
+
+/*
+ * For some reason, we commented out the optimization for portrait,
+ * landscape, and uniform (non-scaled) transformations.  We have no record
+ * of why we did this, and we don't know what bugs re-enabling it may
+ * introduce.
+ */
+#define OPTIMIZE_ORIENTATION
+
+/*
+ * Compute the amount by which to expand a stroked bounding box to account
+ * for line width, caps and joins.  Because of square caps and miter and
+ * triangular joins, the maximum expansion on each side (in user space) is
+ *      K * line_width/2
+ * where K is determined as follows:
+ *      If the path is only a single line segment, K = 1;
+ *      if triangular joins, K = 2;
+ *      if miter joins, K = miter_limit;
+ *      otherwise, K = 1.
+ * If the amount is too large to fit in a gs_fixed_point, return
+ * gs_error_limitcheck.
+ *
+ * If the miter limit is very large, the foregoing computation will produce
+ * a result that is much too large; we would like to tighten this up at
+ * some point in the future.
+ */
+int
+gx_stroke_path_expansion(const gs_imager_state * pis, const gx_path * ppath,
+			 gs_fixed_point * ppt)
+{
+    const subpath *psub = ppath->first_subpath;
+    const segment *pseg;
+    double expand =
+    (!gx_path_has_curves(ppath) && gx_path_subpath_count(ppath) <= 1 &&
+     (psub == 0 || (pseg = psub->next) == 0 ||
+      (pseg = pseg->next) == 0 || pseg->type == s_line_close) ? 1.0 :
+     pis->line_params.join == gs_join_miter ?
+     pis->line_params.miter_limit :
+     pis->line_params.join == gs_join_triangle ? 2.0 : 1.0) *
+    pis->line_params.half_width;
+
+    /* Short-cut gs_bbox_transform. */
+    float cx1 = pis->ctm.xx + pis->ctm.yx;
+    float cy1 = pis->ctm.xy + pis->ctm.yy;
+    float cx2 = pis->ctm.xx - pis->ctm.yx;
+    float cy2 = pis->ctm.xy - pis->ctm.yy;
+
+    if (cx1 < 0)
+	cx1 = -cx1;
+    if (cy1 < 0)
+	cy1 = -cy1;
+    if (cx2 < 0)
+	cx2 = -cx2;
+    if (cy2 < 0)
+	cy2 = -cy2;
+    {
+	float exx = expand * max(cx1, cx2);
+	float exy = expand * max(cy1, cy2);
+	int code = set_float2fixed_vars(ppt->x, exx);
+
+	if (code < 0)
+	    return code;
+	return set_float2fixed_vars(ppt->y, exy);
+    }
+}
+
+/*
+ * Structure for a partial line (passed to the drawing routine).
+ * Two of these are required to do joins right.
+ * Each endpoint includes the two ends of the cap as well,
+ * and the deltas for square, round, and triangular cap computation.
+ *
+ * The two base values for computing the caps of a partial line are the
+ * width and the end cap delta.  The width value is one-half the line
+ * width (suitably transformed) at 90 degrees counter-clockwise
+ * (in device space, but with "90 degrees" interpreted in *user*
+ * coordinates) at the end (as opposed to the origin) of the line.
+ * The cdelta value is one-half the transformed line width in the same
+ * direction as the line.  From these, we compute two other values at each
+ * end of the line: co and ce, which are the ends of the cap.
+ * Note that the cdelta values at o are the negatives of the values at e,
+ * as are the offsets from p to co and ce.
+ *
+ * Initially, only o.p, e.p, e.cdelta, width, and thin are set.
+ * compute_caps fills in the rest.
+ */
+typedef gs_fixed_point *p_ptr;
+typedef struct endpoint_s {
+    gs_fixed_point p;		/* the end of the line */
+    gs_fixed_point co, ce;	/* ends of the cap, p +/- width */
+    gs_fixed_point cdelta;	/* +/- cap length */
+} endpoint;
+typedef endpoint *ep_ptr;
+typedef const endpoint *const_ep_ptr;
+typedef struct partial_line_s {
+    endpoint o;			/* starting coordinate */
+    endpoint e;			/* ending coordinate */
+    gs_fixed_point width;	/* one-half line width, see above */
+    bool thin;			/* true if minimum-width line */
+} partial_line;
+typedef partial_line *pl_ptr;
+
+/* Assign a point.  Some compilers would do this with very slow code */
+/* if we simply implemented it as an assignment. */
+#define ASSIGN_POINT(pp, p)\
+  ((pp)->x = (p).x, (pp)->y = (p).y)
+
+/* Other forward declarations */
+private bool width_is_thin(P1(pl_ptr));
+private void adjust_stroke(P3(pl_ptr, const gs_imager_state *, bool));
+private int line_join_points(P5(const gx_line_params * pgs_lp,
+				pl_ptr plp, pl_ptr nplp,
+				gs_fixed_point * join_points,
+				const gs_matrix * pmat));
+private void compute_caps(P1(pl_ptr));
+private int add_points(P4(gx_path *, const gs_fixed_point *,
+			  int, bool));
+private int add_round_cap(P2(gx_path *, const_ep_ptr));
+private int cap_points(P3(gs_line_cap, const_ep_ptr,
+			  gs_fixed_point * /*[3] */ ));
+
+/* Define the default implementation of the device stroke_path procedure. */
+int
+gx_default_stroke_path(gx_device * dev, const gs_imager_state * pis,
+		       gx_path * ppath, const gx_stroke_params * params,
+		       const gx_drawing_color * pdcolor,
+		       const gx_clip_path * pcpath)
+{
+    return gx_stroke_path_only(ppath, (gx_path *) 0, dev, pis, params,
+			       pdcolor, pcpath);
+}
+
+/* Fill a partial stroked path.  Free variables: */
+/* to_path, stroke_path_body, fill_params, always_thin, pis, dev, pdevc, */
+/* code, ppath, exit(label). */
+#define fill_stroke_path(thin)\
+  if(to_path==&stroke_path_body && !gx_path_is_void(&stroke_path_body)) {\
+    fill_params.adjust.x = stroke_adjustment(thin, pis, x);\
+    fill_params.adjust.y = stroke_adjustment(thin, pis, y);\
+    code = gx_fill_path_only(to_path, dev, pis, &fill_params, pdevc, NULL);\
+    gx_path_free(&stroke_path_body, "fill_stroke_path");\
+    if ( code < 0 ) goto exit;\
+    gx_path_init_local(&stroke_path_body, ppath->memory);\
+  }
+
+/*
+ * Define the internal procedures that stroke a partial_line
+ * (the first pl_ptr argument).  If both partial_lines are non-null,
+ * the procedure creates an appropriate join; otherwise, the procedure
+ * creates an end cap.  If the first int is 0, the procedure also starts
+ * with an appropriate cap.
+ */
+#define stroke_line_proc(proc)\
+  int proc(P10(gx_path *, int, pl_ptr, pl_ptr, const gx_device_color *,\
+		    gx_device *, const gs_imager_state *,\
+		    const gx_stroke_params *, const gs_fixed_rect *, int))
+typedef stroke_line_proc((*stroke_line_proc_t));
+
+private stroke_line_proc(stroke_add);
+private stroke_line_proc(stroke_fill);
+
+/* Define the orientations we handle specially. */
+typedef enum {
+    orient_other = 0,
+    orient_portrait,		/* [xx 0 0 yy tx ty] */
+    orient_landscape		/* [0 xy yx 0 tx ty] */
+} orientation;
+
+/*
+ * Stroke a path.  If to_path != 0, append the stroke outline to it;
+ * if to_path == 0, draw the strokes on dev.
+ *
+ * Note that gx_stroke_path_only with to_path != NULL may clip the path to
+ * the clipping path, as for to_path == NULL.  This is almost never
+ * what is wanted.
+ */
+int
+gx_stroke_path_only(gx_path * ppath, gx_path * to_path, gx_device * pdev,
+	       const gs_imager_state * pis, const gx_stroke_params * params,
+		 const gx_device_color * pdevc, const gx_clip_path * pcpath)
+{
+    stroke_line_proc_t line_proc =
+    (to_path == 0 ? stroke_fill : stroke_add);
+    gs_fixed_rect ibox, cbox;
+    gx_device_clip cdev;
+    gx_device *dev = pdev;
+    int code = 0;
+    gx_fill_params fill_params;
+    const gx_line_params *pgs_lp = gs_currentlineparams_inline(pis);
+    int dash_count = pgs_lp->dash.pattern_size;
+    gx_path fpath, dpath;
+    gx_path stroke_path_body;
+    const gx_path *spath;
+    float xx = pis->ctm.xx, xy = pis->ctm.xy;
+    float yx = pis->ctm.yx, yy = pis->ctm.yy;
+
+    /*
+       * We are dealing with a reflected coordinate system
+       * if transform(1,0) is counter-clockwise from transform(0,1).
+       * See the note in stroke_add for the algorithm.
+     */
+    int uniform;
+    bool reflected;
+    orientation orient =
+    (
+#ifdef OPTIMIZE_ORIENTATION
+	is_fzero2(xy, yx) ?
+	(uniform = (xx == yy ? 1 : xx == -yy ? -1 : 0),
+	 reflected = (uniform ? uniform < 0 : (xx < 0) != (yy < 0)),
+	 orient_portrait) :
+	is_fzero2(xx, yy) ?
+	(uniform = (xy == yx ? -1 : xy == -yx ? 1 : 0),
+	 reflected = (uniform ? uniform < 0 : (xy < 0) == (yx < 0)),
+	 orient_landscape) :
+    /* We should optimize uniform rotated coordinate systems */
+    /* here as well, but we don't. */
+#endif
+	(uniform = 0,
+	 reflected = xy * yx > xx * yy,
+	 orient_other));
+    segment_notes not_first =
+    (!is_fzero(pis->line_params.dot_length) ? sn_not_first : sn_none);
+    float line_width = pgs_lp->half_width;	/* (*half* the line width) */
+    bool always_thin;
+    double line_width_and_scale, device_line_width_scale;
+    double device_dot_length = pgs_lp->dot_length * fixed_1;
+    const subpath *psub;
+
+#ifdef DEBUG
+    if (gs_debug_c('o')) {
+	int count = pgs_lp->dash.pattern_size;
+	int i;
+
+	dlprintf3("[o]half_width=%f, cap=%d, join=%d,\n",
+		  pgs_lp->half_width, (int)pgs_lp->cap, (int)pgs_lp->join);
+	dlprintf2("   miter_limit=%f, miter_check=%f,\n",
+		  pgs_lp->miter_limit, pgs_lp->miter_check);
+	dlprintf1("   dash pattern=%d", count);
+	for (i = 0; i < count; i++)
+	    dprintf1(",%f", pgs_lp->dash.pattern[i]);
+	dputs(",\n");
+	dlprintf4("\toffset=%f, init(ink_on=%d, index=%d, dist_left=%f)\n",
+		  pgs_lp->dash.offset, pgs_lp->dash.init_ink_on,
+		  pgs_lp->dash.init_index, pgs_lp->dash.init_dist_left);
+    }
+#endif
+
+    gx_path_bbox(ppath, &ibox);
+    /* Expand the path bounding box by the scaled line width. */
+    {
+	gs_fixed_point expansion;
+
+	if (gx_stroke_path_expansion(pis, ppath, &expansion) < 0) {
+	    /* The expansion is so large it caused a limitcheck. */
+	    ibox.p.x = ibox.p.y = min_fixed;
+	    ibox.q.x = ibox.q.y = max_fixed;
+	} else {
+	    expansion.x += pis->fill_adjust.x;
+	    expansion.y += pis->fill_adjust.y;
+	    /*
+	     * It's theoretically possible for the following computations to
+	     * overflow, so we need to check for this.
+	     */
+	    ibox.p.x = (ibox.p.x < min_fixed + expansion.x ? min_fixed :
+			ibox.p.x - expansion.x);
+	    ibox.p.y = (ibox.p.y < min_fixed + expansion.y ? min_fixed :
+			ibox.p.y - expansion.y);
+	    ibox.q.x = (ibox.q.x > max_fixed - expansion.x ? max_fixed :
+			ibox.q.x + expansion.x);
+	    ibox.q.y = (ibox.q.y > max_fixed - expansion.y ? max_fixed :
+			ibox.q.y + expansion.y);
+	}
+    }
+    /* Check the expanded bounding box against the clipping regions. */
+    if (pcpath)
+	gx_cpath_inner_box(pcpath, &cbox);
+    else if (pdevc)
+	(*dev_proc(dev, get_clipping_box)) (dev, &cbox);
+    else {
+	/* This is strokepath, not stroke.  Don't clip. */
+	cbox = ibox;
+    }
+    if (!rect_within(ibox, cbox)) {
+	/* Intersect the path box and the clip bounding box. */
+	/* If the intersection is empty, this call is a no-op. */
+	gs_fixed_rect bbox;
+
+	if (pcpath) {
+	    gx_cpath_outer_box(pcpath, &bbox);
+	    if_debug4('f', "   outer_box=(%g,%g),(%g,%g)\n",
+		      fixed2float(bbox.p.x), fixed2float(bbox.p.y),
+		      fixed2float(bbox.q.x), fixed2float(bbox.q.y));
+	    rect_intersect(ibox, bbox);
+	} else
+	    rect_intersect(ibox, cbox);
+	if (ibox.p.x >= ibox.q.x || ibox.p.y >= ibox.q.y) {
+	    /* Intersection of boxes is empty! */
+	    return 0;
+	}
+	/*
+	 * The path is neither entirely inside the inner clip box
+	 * nor entirely outside the outer clip box.
+	 * If we had to flatten the path, this is where we would
+	 * recompute its bbox and make the tests again,
+	 * but we don't bother right now.
+	 *
+	 * If there is a clipping path, set up a clipping device.
+	 */
+	if (pcpath) {
+	    gx_make_clip_device(&cdev, &cdev, gx_cpath_list(pcpath));
+	    cdev.target = dev;
+	    cdev.max_fill_band = dev->max_fill_band;
+	    dev = (gx_device *) & cdev;
+	    (*dev_proc(dev, open_device)) (dev);
+	}
+    }
+    fill_params.rule = gx_rule_winding_number;
+    fill_params.flatness = pis->flatness;
+#ifdef USE_FILL_ADJUSTMENT
+    fill_params.fill_zero_width =
+	(pis->fill_adjust.x | pis->fill_adjust.y) != 0;
+#else
+    fill_params.fill_zero_width = false;
+#endif
+    if (line_width < 0)
+	line_width = -line_width;
+    line_width_and_scale = line_width * (double)int2fixed(1);
+    if (is_fzero(line_width))
+	always_thin = true;
+    else {
+	float xa, ya;
+
+	switch (orient) {
+	    case orient_portrait:
+		xa = xx, ya = yy;
+		goto sat;
+	    case orient_landscape:
+		xa = xy, ya = yx;
+	      sat:
+		if (xa < 0)
+		    xa = -xa;
+		if (ya < 0)
+		    ya = -ya;
+		always_thin = (max(xa, ya) * line_width < 0.5);
+		if (!always_thin && uniform) {	/* Precompute a value we'll need later. */
+		    device_line_width_scale = line_width_and_scale * xa;
+		}
+		break;
+	    default:
+		{
+		    /* The check is more complicated, but it's worth it. */
+		    double xsq = xx * xx + xy * xy;
+		    double ysq = yx * yx + yy * yy;
+		    double cross = xx * yx + xy * yy;
+
+		    if (cross < 0)
+			cross = 0;
+		    always_thin =
+			((max(xsq, ysq) + cross) * line_width * line_width
+			 < 0.25);
+		}
+	}
+    }
+    if_debug7('o', "[o]ctm=(%g,%g,%g,%g,%g,%g) thin=%d\n",
+	      xx, xy, yx, yy, pis->ctm.tx, pis->ctm.ty, always_thin);
+    if (device_dot_length != 0) {
+	/*
+	 * Compute the dot length in device space.  We can't do this
+	 * quite right for non-uniform coordinate systems; too bad.
+	 */
+	gs_matrix mat;
+	const gs_matrix *pmat;
+
+	if (pgs_lp->dot_length_absolute) {
+	    gs_deviceinitialmatrix(pdev, &mat);
+	    pmat = &mat;
+	} else
+	    pmat = (const gs_matrix *)&pis->ctm;
+	device_dot_length *= fabs(pmat->xy) + fabs(pmat->yy);
+    }
+    /* Start by flattening the path.  We should do this on-the-fly.... */
+    if (!gx_path_has_curves(ppath)) {	/* don't need to flatten */
+	if (!ppath->first_subpath)
+	    return 0;
+	spath = ppath;
+    } else {
+	gx_path_init_local(&fpath, ppath->memory);
+	if ((code = gx_path_add_flattened_accurate(ppath, &fpath,
+				params->flatness, pis->accurate_curves)) < 0
+	    )
+	    return code;
+	spath = &fpath;
+    }
+    if (dash_count) {
+	gx_path_init_local(&dpath, ppath->memory);
+	code = gx_path_add_dash_expansion(spath, &dpath, pis);
+	if (code < 0)
+	    goto exf;
+	spath = &dpath;
+    }
+    if (to_path == 0) {
+	/* We might try to defer this if it's expensive.... */
+	to_path = &stroke_path_body;
+	gx_path_init_local(&stroke_path_body, ppath->memory);
+    }
+    for (psub = spath->first_subpath; psub != 0;) {
+	int index = 0;
+	const segment *pseg = (const segment *)psub;
+	fixed x = pseg->pt.x;
+	fixed y = pseg->pt.y;
+	bool is_closed = ((const subpath *)pseg)->is_closed;
+	partial_line pl, pl_prev, pl_first;
+
+	while ((pseg = pseg->next) != 0 &&
+	       pseg->type != s_start
+	    ) {
+	    /* Compute the width parameters in device space. */
+	    /* We work with unscaled values, for speed. */
+	    fixed sx = pseg->pt.x, udx = sx - x;
+	    fixed sy = pseg->pt.y, udy = sy - y;
+
+	    pl.o.p.x = x, pl.o.p.y = y;
+	  d:pl.e.p.x = sx, pl.e.p.y = sy;
+	    if (!(udx | udy)) {	/* degenerate */
+		/*
+		 * If this is the first segment of the subpath,
+		 * check the entire subpath for degeneracy.
+		 * Otherwise, ignore the degenerate segment.
+		 */
+		if (index != 0)
+		    continue;
+		/* Check for a degenerate subpath. */
+		while ((pseg = pseg->next) != 0 &&
+		       pseg->type != s_start
+		    ) {
+		    sx = pseg->pt.x, udx = sx - x;
+		    sy = pseg->pt.y, udy = sy - y;
+		    if (udx | udy)
+			goto d;
+		}
+		/*
+		 * The entire subpath is degenerate, but it includes
+		 * more than one point.  If we are using round caps or
+		 * the dot length is non-zero, draw the caps, otherwise
+		 * do nothing.
+		 */
+		if (!(pgs_lp->cap == gs_cap_round ||
+		      pgs_lp->dot_length != 0)
+		    )
+		    break;
+		/*
+		 * Orient the dot according to the previous segment if
+		 * any, or else the next segment if any, or else a
+		 * vertical line.
+		 */
+		{
+		    const segment *end = psub->prev;
+
+		    if (end != 0 && (end->pt.x != x || end->pt.y != y))
+			sx = end->pt.x, sy = end->pt.y;
+		    else if (pseg != 0 &&
+			     (pseg->pt.x != x || pseg->pt.y != y)
+			)
+			sx = pseg->pt.x, sy = pseg->pt.y;
+		}
+		/*
+		 * Compute the properly oriented dot length, and then
+		 * draw the dot like a very short line.
+		 */
+		udx = sx - x, udy = sy - y;
+		if ((udx | udy) == 0)
+		    udy = fixed_1;
+		{
+		    double scale = device_dot_length /
+		    hypot((double)udx, (double)udy);
+
+		    /*
+		     * If we're using butt caps, make sure the "line" is
+		     * long enough to show up.
+		     */
+		    if (pgs_lp->cap == gs_cap_butt) {
+			fixed dmax = max(any_abs(udx), any_abs(udy));
+
+			if (dmax * scale < fixed_1)
+			    scale = (float)fixed_1 / dmax;
+		    }
+		    udx = (fixed) (udx * scale);
+		    udy = (fixed) (udy * scale);
+		    if ((udx | udy) == 0)
+			udy = fixed_epsilon;
+		    sx = x + udx;
+		    sy = y + udy;
+		}
+		/*
+		 * Back up 1 segment to keep the bookkeeping straight.
+		 */
+		pseg = (pseg != 0 ? pseg->prev : psub->last);
+		goto d;
+	    }
+	    if (always_thin) {
+		pl.e.cdelta.x = pl.e.cdelta.y = 0;
+		pl.width.x = pl.width.y = 0;
+		pl.thin = true;
+	    } else {
+		if (uniform != 0) {
+		    /* We can save a lot of work in this case. */
+		    /* We know orient != orient_other. */
+		    float dpx = udx, dpy = udy;
+		    float wl = device_line_width_scale /
+		    hypot(dpx, dpy);
+
+		    pl.e.cdelta.x = (fixed) (dpx * wl);
+		    pl.e.cdelta.y = (fixed) (dpy * wl);
+		    /* The width is the cap delta rotated by */
+		    /* 90 degrees. */
+		    pl.width.x = -pl.e.cdelta.y,
+			pl.width.y = pl.e.cdelta.x;
+		    pl.thin = false;	/* if not always_thin, */
+		    /* then never thin. */
+
+		} else {
+		    gs_point dpt;	/* unscaled */
+		    float wl;
+
+		    gs_imager_idtransform(pis,
+					  (float)udx, (float)udy, &dpt);
+		    wl = line_width_and_scale /
+			hypot(dpt.x, dpt.y);
+		    /* Construct the width vector in */
+		    /* user space, still unscaled. */
+		    dpt.x *= wl;
+		    dpt.y *= wl;
+		    /*
+		     * We now compute both perpendicular
+		     * and (optionally) parallel half-widths,
+		     * as deltas in device space.  We use
+		     * a fixed-point, unscaled version of
+		     * gs_dtransform.  The second computation
+		     * folds in a 90-degree rotation (in user
+		     * space, before transforming) in the
+		     * direction that corresponds to counter-
+		     * clockwise in device space.
+		     */
+		    pl.e.cdelta.x = (fixed) (dpt.x * xx);
+		    pl.e.cdelta.y = (fixed) (dpt.y * yy);
+		    if (orient != orient_portrait)
+			pl.e.cdelta.x += (fixed) (dpt.y * yx),
+			    pl.e.cdelta.y += (fixed) (dpt.x * xy);
+		    if (!reflected)
+			dpt.x = -dpt.x, dpt.y = -dpt.y;
+		    pl.width.x = (fixed) (dpt.y * xx),
+			pl.width.y = -(fixed) (dpt.x * yy);
+		    if (orient != orient_portrait)
+			pl.width.x -= (fixed) (dpt.x * yx),
+			    pl.width.y += (fixed) (dpt.y * xy);
+		    pl.thin = width_is_thin(&pl);
+		}
+		if (!pl.thin) {
+		    adjust_stroke(&pl, pis, false);
+		    compute_caps(&pl);
+		}
+	    }
+	    if (index++) {
+		int first;
+		pl_ptr lptr;
+
+		if (pgs_lp->join == gs_join_none &&
+		    !(pseg->notes & not_first)
+		    ) {
+		    /* Fake the end of a subpath so we get */
+		    /* caps instead of joins. */
+		    first = 0;
+		    lptr = 0;
+		    index = 1;
+		} else {
+		    first = (is_closed ? 1 : index - 2);
+		    lptr = &pl;
+		}
+		code = (*line_proc) (to_path, first, &pl_prev, lptr,
+				     pdevc, dev, pis, params, &cbox,
+				     uniform);
+		if (code < 0)
+		    goto exit;
+		fill_stroke_path(always_thin);
+	    } else
+		pl_first = pl;
+	    pl_prev = pl;
+	    x = sx, y = sy;
+	}
+	if (index) {
+	    /* If closed, join back to start, else cap. */
+	    /* For some reason, the Borland compiler requires the cast */
+	    /* in the following statement. */
+	    pl_ptr lptr =
+	    (!is_closed ||
+	     (pgs_lp->join == gs_join_none &&
+	      !((pseg == 0 ? (const segment *)spath->first_subpath :
+		 pseg)->notes & not_first)) ?
+	     (pl_ptr) 0 : (pl_ptr) & pl_first);
+
+	    code = (*line_proc) (to_path, index - 1, &pl_prev, lptr,
+				 pdevc, dev, pis, params, &cbox, uniform);
+	    if (code < 0)
+		goto exit;
+	    fill_stroke_path(always_thin);
+	}
+	psub = (const subpath *)pseg;
+    }
+  exit:
+    if (to_path == &stroke_path_body)
+	gx_path_free(&stroke_path_body, "gx_stroke_path_only error");	/* (only needed if error) */
+    if (dash_count)
+	gx_path_free(&dpath, "gx_stroke_path exit(dash path)");
+  exf:
+    if (ppath->curve_count)
+	gx_path_free(&fpath, "gx_stroke_path exit(flattened path)");
+    return code;
+}
+
+/* ------ Internal routines ------ */
+
+/*
+ * Test whether a line is thin, i.e., whether the half-width, measured
+ * perpendicular to the line in device space, is less than 0.5 pixel.
+ * Unfortunately, the width values we computed are perpendicular to the
+ * line in *user* space, so we may have to do some extra work.
+ */
+private bool
+width_is_thin(pl_ptr plp)
+{
+    fixed dx, dy, wx = plp->width.x, wy = plp->width.y;
+
+    /* If the line is horizontal or vertical, things are easy. */
+    if ((dy = plp->e.p.y - plp->o.p.y) == 0)
+	return any_abs(wy) < fixed_half;
+    if ((dx = plp->e.p.x - plp->o.p.x) == 0)
+	return any_abs(wx) < fixed_half;
+
+    /*
+     * If both horizontal and vertical widths are less than
+     * 0.5, the line is thin.
+     */
+    if (any_abs(wx) < fixed_half && any_abs(wy) < fixed_half)
+	return true;
+
+    /*
+     * We have to do this the hard way, by actually computing the
+     * perpendicular distance.  The distance from the point (U,V)
+     * from a line from (0,0) to (C,D) is
+     *      abs(C*V - D*U) / sqrt(C^2 + D^2)
+     * In this case, (U,V) is plp->width, and (C,D) is (dx,dy).
+     */
+    {
+	double C = dx, D = dy;
+	double num = C * wy - D * wx;
+	double denom = hypot(C, D);
+
+	/* both num and denom are scaled by fixed_scale^2, */
+	/* so we don't need to do any de-scaling for the test. */
+	return fabs(num) < denom * 0.5;
+    }
+}
+
+/* Adjust the endpoints and width of a stroke segment */
+/* to achieve more uniform rendering. */
+/* Only o.p, e.p, e.cdelta, and width have been set. */
+private void
+adjust_stroke(pl_ptr plp, const gs_imager_state * pis, bool thin)
+{
+    fixed *pw;
+    fixed *pov;
+    fixed *pev;
+    fixed w, w2;
+    fixed adj2;
+
+    if (!pis->stroke_adjust && plp->width.x != 0 && plp->width.y != 0)
+	return;			/* don't adjust */
+    if (any_abs(plp->width.x) < any_abs(plp->width.y)) {
+	/* More horizontal stroke */
+	pw = &plp->width.y, pov = &plp->o.p.y, pev = &plp->e.p.y;
+	adj2 = stroke_adjustment(thin, pis, y) << 1;
+    } else {
+	/* More vertical stroke */
+	pw = &plp->width.x, pov = &plp->o.p.x, pev = &plp->e.p.x;
+	adj2 = stroke_adjustment(thin, pis, x) << 1;
+    }
+    /* Round the larger component of the width up or down, */
+    /* whichever way produces a result closer to the correct width. */
+    /* Note that just rounding the larger component */
+    /* may not produce the correct result. */
+    w = *pw;
+    w2 = fixed_rounded(w << 1);	/* full line width */
+    if (w2 == 0 && *pw != 0) {
+	/* Make sure thin lines don't disappear. */
+	w2 = (*pw < 0 ? -fixed_1 + adj2 : fixed_1 - adj2);
+	*pw = arith_rshift_1(w2);
+    }
+    /* Only adjust the endpoints if the line is horizontal or vertical. */
+    if (*pov == *pev) {
+	/* We're going to round the endpoint coordinates, so */
+	/* take the fill adjustment into account now. */
+	if (w >= 0)
+	    w2 += adj2;
+	else
+	    w2 = adj2 - w2;
+	if (w2 & fixed_1)	/* odd width, move to half-pixel */
+	    *pov = *pev = fixed_floor(*pov) + fixed_half;
+	else			/* even width, move to pixel */
+	    *pov = *pev = fixed_rounded(*pov);
+
+    }
+}
+
+/* Compute the intersection of two lines.  This is a messy algorithm */
+/* that somehow ought to be useful in more places than just here.... */
+/* If the lines are (nearly) parallel, return -1 without setting *pi; */
+/* otherwise, return 0 if the intersection is beyond *pp1 and *pp2 in */
+/* the direction determined by *pd1 and *pd2, and 1 otherwise. */
+private int
+line_intersect(
+		  p_ptr pp1,	/* point on 1st line */
+		  p_ptr pd1,	/* slope of 1st line (dx,dy) */
+		  p_ptr pp2,	/* point on 2nd line */
+		  p_ptr pd2,	/* slope of 2nd line */
+		  p_ptr pi)
+{				/* return intersection here */
+    /* We don't have to do any scaling, the factors all work out right. */
+    float u1 = pd1->x, v1 = pd1->y;
+    float u2 = pd2->x, v2 = pd2->y;
+    double denom = u1 * v2 - u2 * v1;
+    float xdiff = pp2->x - pp1->x;
+    float ydiff = pp2->y - pp1->y;
+    double f1;
+    double max_result = any_abs(denom) * (double)max_fixed;
+
+#ifdef DEBUG
+    if (gs_debug_c('O')) {
+	dlprintf4("[o]Intersect %f,%f(%f/%f)",
+		  fixed2float(pp1->x), fixed2float(pp1->y),
+		  fixed2float(pd1->x), fixed2float(pd1->y));
+	dlprintf4(" & %f,%f(%f/%f),\n",
+		  fixed2float(pp2->x), fixed2float(pp2->y),
+		  fixed2float(pd2->x), fixed2float(pd2->y));
+	dlprintf3("\txdiff=%f ydiff=%f denom=%f ->\n",
+		  xdiff, ydiff, denom);
+    }
+#endif
+    /* Check for degenerate result. */
+    if (any_abs(xdiff) >= max_result || any_abs(ydiff) >= max_result) {
+	/* The lines are nearly parallel, */
+	/* or one of them has zero length.  Punt. */
+	if_debug0('O', "\tdegenerate!\n");
+	return -1;
+    }
+    f1 = (v2 * xdiff - u2 * ydiff) / denom;
+    pi->x = pp1->x + (fixed) (f1 * u1);
+    pi->y = pp1->y + (fixed) (f1 * v1);
+    if_debug2('O', "\t%f,%f\n",
+	      fixed2float(pi->x), fixed2float(pi->y));
+    return (f1 >= 0 && (v1 * xdiff >= u1 * ydiff ? denom >= 0 : denom < 0) ? 0 : 1);
+}
+
+/* Set up the width and delta parameters for a thin line. */
+/* We only approximate the width and height. */
+private void
+set_thin_widths(register pl_ptr plp)
+{
+    fixed dx = plp->e.p.x - plp->o.p.x, dy = plp->e.p.y - plp->o.p.y;
+
+#define TRSIGN(v, c) ((v) >= 0 ? (c) : -(c))
+    if (any_abs(dx) > any_abs(dy)) {
+	plp->width.x = plp->e.cdelta.y = 0;
+	plp->width.y = plp->e.cdelta.x = TRSIGN(dx, fixed_half);
+    } else {
+	plp->width.y = plp->e.cdelta.x = 0;
+	plp->width.x = -(plp->e.cdelta.y = TRSIGN(dy, fixed_half));
+    }
+#undef TRSIGN
+}
+
+/* Draw a line on the device. */
+/* Treat no join the same as a bevel join. */
+private int
+stroke_fill(gx_path * ppath, int first, register pl_ptr plp, pl_ptr nplp,
+const gx_device_color * pdevc, gx_device * dev, const gs_imager_state * pis,
+	    const gx_stroke_params * params, const gs_fixed_rect * pbbox,
+	    int uniform)
+{
+    const fixed lix = plp->o.p.x;
+    const fixed liy = plp->o.p.y;
+    const fixed litox = plp->e.p.x;
+    const fixed litoy = plp->e.p.y;
+
+    if (plp->thin) {
+	/* Minimum-width line, don't have to be careful. */
+	/* We do have to check for the entire line being */
+	/* within the clipping rectangle, allowing for some */
+	/* slop at the ends. */
+	fixed x0 = lix, y0 = liy;
+	fixed x1 = litox, y1 = litoy;
+	fixed t;
+
+#define slop int2fixed(2)
+	if (x0 > x1)
+	    t = x0, x0 = x1 - slop, x1 = t + slop;
+	else
+	    x0 -= slop, x1 += slop;
+	if (y0 > y1)
+	    t = y0, y0 = y1 - slop, y1 = t + slop;
+	else
+	    y0 -= slop, y1 += slop;
+#undef slop
+
+	if (pbbox->p.x <= x0 && x1 <= pbbox->q.x &&
+	    pbbox->p.y <= y0 && y1 <= pbbox->q.y
+	    )
+	    return (*dev_proc(dev, draw_thin_line)) (dev,
+						     lix, liy, litox, litoy,
+						     pdevc, pis->log_op);
+	/* We didn't set up the endpoint parameters before, */
+	/* because the line was thin.  stroke_add will do this. */
+    }
+    /* Check for being able to fill directly. */
+    {
+	const gx_line_params *pgs_lp = gs_currentlineparams_inline(pis);
+	gs_line_cap cap = pgs_lp->cap;
+	gs_line_join join = pgs_lp->join;
+
+	if (!plp->thin && (nplp == 0 || !nplp->thin)
+	    && ((first != 0 && nplp != 0) || cap == gs_cap_butt
+		|| cap == gs_cap_square)
+	    && (join == gs_join_bevel || join == gs_join_miter ||
+		join == gs_join_none)
+	    && (pis->fill_adjust.x | pis->fill_adjust.y) == 0
+	    && lop_is_idempotent(pis->log_op)
+	    ) {
+	    gs_fixed_point points[6];
+	    int npoints, code;
+
+	    npoints = cap_points((first == 0 ? cap : gs_cap_butt),
+				 &plp->o, points);
+	    if (nplp == 0)
+		code = cap_points(cap, &plp->e, points + npoints);
+	    else
+		code = line_join_points(pgs_lp, plp, nplp, points + npoints,
+					(uniform ? (gs_matrix *) 0 :
+					 &ctm_only(pis)));
+	    if (code < 0)
+		return code;
+	    if (nplp != 0) {
+		if (join == gs_join_miter) {
+		    /* Make sure we have a bevel and not a miter. */
+		    if (!(points[2].x == plp->e.co.x &&
+			  points[2].y == plp->e.co.y &&
+			  points[5].x == plp->e.ce.x &&
+			  points[5].y == plp->e.ce.y)
+			)
+			goto fill;
+		} {
+		    const gs_fixed_point *bevel = points + 2;
+
+		    /* Identify which 3 points define the bevel triangle. */
+		    if (points[3].x == nplp->o.p.x &&
+			points[3].y == nplp->o.p.y
+			)
+			++bevel;
+		    /* Fill the bevel. */
+		    code = (*dev_proc(dev, fill_triangle)) (dev,
+							 bevel->x, bevel->y,
+			       bevel[1].x - bevel->x, bevel[1].y - bevel->y,
+			       bevel[2].x - bevel->x, bevel[2].y - bevel->y,
+							pdevc, pis->log_op);
+		    if (code < 0)
+			return code;
+		}
+	    }
+	    /* Fill the body of the stroke. */
+	    return (*dev_proc(dev, fill_parallelogram)) (dev,
+						   points[1].x, points[1].y,
+						  points[0].x - points[1].x,
+						  points[0].y - points[1].y,
+						  points[2].x - points[1].x,
+						  points[2].y - points[1].y,
+							 pdevc, pis->log_op);
+	  fill:
+	    code = add_points(ppath, points, npoints + code, true);
+	    if (code < 0)
+		return code;
+	    return gx_path_close_subpath(ppath);
+	}
+    }
+    /* General case: construct a path for the fill algorithm. */
+    return stroke_add(ppath, first, plp, nplp, pdevc, dev, pis, params,
+		      pbbox, uniform);
+}
+
+/* Add a segment to the path.  This handles all the complex cases. */
+private int
+stroke_add(gx_path * ppath, int first, register pl_ptr plp, pl_ptr nplp,
+const gx_device_color * pdevc, gx_device * dev, const gs_imager_state * pis,
+	const gx_stroke_params * params, const gs_fixed_rect * ignore_pbbox,
+	   int uniform)
+{
+    const gx_line_params *pgs_lp = gs_currentlineparams_inline(pis);
+    gs_fixed_point points[8];
+    int npoints;
+    int code;
+    bool moveto_first = true;
+
+    if (plp->thin) {
+	/* We didn't set up the endpoint parameters before, */
+	/* because the line was thin.  Do it now. */
+	set_thin_widths(plp);
+	adjust_stroke(plp, pis, true);
+	compute_caps(plp);
+    }
+    /* Create an initial cap if desired. */
+    if (first == 0 && pgs_lp->cap == gs_cap_round) {
+	if ((code = gx_path_add_point(ppath, plp->o.co.x, plp->o.co.y)) < 0 ||
+	    (code = add_round_cap(ppath, &plp->o)) < 0
+	    )
+	    return code;
+	npoints = 0;
+	moveto_first = false;
+    } else {
+	if ((npoints = cap_points((first == 0 ? pgs_lp->cap : gs_cap_butt), &plp->o, points)) < 0)
+	    return npoints;
+    }
+    if (nplp == 0) {
+	/* Add a final cap. */
+	if (pgs_lp->cap == gs_cap_round) {
+	    ASSIGN_POINT(&points[npoints], plp->e.co);
+	    ++npoints;
+	    if ((code = add_points(ppath, points, npoints, moveto_first)) < 0)
+		return code;
+	    code = add_round_cap(ppath, &plp->e);
+	    goto done;
+	}
+	code = cap_points(pgs_lp->cap, &plp->e, points + npoints);
+    } else if (pgs_lp->join == gs_join_round) {
+	ASSIGN_POINT(&points[npoints], plp->e.co);
+	++npoints;
+	if ((code = add_points(ppath, points, npoints, moveto_first)) < 0)
+	    return code;
+	code = add_round_cap(ppath, &plp->e);
+	goto done;
+    } else if (nplp->thin)	/* no join */
+	code = cap_points(gs_cap_butt, &plp->e, points + npoints);
+    else			/* non-round join */
+	code = line_join_points(pgs_lp, plp, nplp, points + npoints,
+			      (uniform ? (gs_matrix *) 0 : &ctm_only(pis)));
+    if (code < 0)
+	return code;
+    code = add_points(ppath, points, npoints + code, moveto_first);
+  done:
+    if (code < 0)
+	return code;
+    return gx_path_close_subpath(ppath);
+}
+
+/* Add lines with a possible initial moveto. */
+private int
+add_points(gx_path * ppath, const gs_fixed_point * points, int npoints,
+	   bool moveto_first)
+{
+    if (moveto_first) {
+	int code = gx_path_add_point(ppath, points[0].x, points[0].y);
+
+	if (code < 0)
+	    return code;
+	return gx_path_add_lines(ppath, points + 1, npoints - 1);
+    } else
+	return gx_path_add_lines(ppath, points, npoints);
+}
+
+/* ---------------- Join computation ---------------- */
+
+/* Compute the points for a bevel, miter, or triangle join. */
+/* Treat no join the same as a bevel join. */
+/* If pmat != 0, we must inverse-transform the distances for */
+/* the miter check. */
+private int
+line_join_points(const gx_line_params * pgs_lp, pl_ptr plp, pl_ptr nplp,
+		 gs_fixed_point * join_points, const gs_matrix * pmat)
+{
+    gs_line_join join = pgs_lp->join;
+
+#define jp1 join_points[0]
+#define np1 join_points[1]
+#define np2 join_points[2]
+#define jp2 join_points[3]
+#define jpx join_points[4]
+    /*
+     * Set np to whichever of nplp->o.co or .ce is outside
+     * the current line.  We observe that the point (x2,y2)
+     * is counter-clockwise from (x1,y1), relative to the origin,
+     * iff
+     *  (arctan(y2/x2) - arctan(y1/x1)) mod 2*pi < pi,
+     * taking the signs of xi and yi into account to determine
+     * the quadrants of the results.  It turns out that
+     * even though arctan is monotonic only in the 4th/1st
+     * quadrants and the 2nd/3rd quadrants, case analysis on
+     * the signs of xi and yi demonstrates that this test
+     * is equivalent to the much less expensive test
+     *  x1 * y2 > x2 * y1
+     * in all cases.
+     *
+     * In the present instance, x1,y1 are plp->width,
+     * x2,y2 are nplp->width, and the origin is
+     * their common point (plp->e.p, nplp->o.p).
+     * ccw will be true iff nplp.o.co (nplp.o.p + width) is
+     * counter-clockwise from plp.e.ce (plp.e.p + width),
+     * in which case we want tan(a-b) rather than tan(b-a).
+     *
+     * We make the test using double arithmetic only because
+     * the !@#&^*% C language doesn't give us access to
+     * the double-width-result multiplication operation
+     * that almost all CPUs provide!
+     */
+    bool ccw =
+    (double)(plp->width.x) *	/* x1 */
+    (nplp->width.y) >		/* y2 */
+    (double)(nplp->width.x) *	/* x2 */
+    (plp->width.y);
+    p_ptr outp, np;
+
+    /* Initialize for a bevel join. */
+    ASSIGN_POINT(&jp1, plp->e.co);
+    ASSIGN_POINT(&jp2, plp->e.ce);
+
+    /*
+     * Because of stroke adjustment, it is possible that
+     * plp->e.p != nplp->o.p.  For that reason, we must use
+     * nplp->o.p as np1 or np2.
+     */
+    if (!ccw) {
+	outp = &jp2;
+	ASSIGN_POINT(&np2, nplp->o.co);
+	ASSIGN_POINT(&np1, nplp->o.p);
+	np = &np2;
+    } else {
+	outp = &jp1;
+	ASSIGN_POINT(&np1, nplp->o.ce);
+	ASSIGN_POINT(&np2, nplp->o.p);
+	np = &np1;
+    }
+    if_debug1('O', "[o]use %s\n", (ccw ? "co (ccw)" : "ce (cw)"));
+
+    /* Handle triangular joins now. */
+    if (join == gs_join_triangle) {
+	fixed tpx = outp->x - nplp->o.p.x + np->x;
+	fixed tpy = outp->y - nplp->o.p.y + np->y;
+
+	ASSIGN_POINT(&jpx, jp2);
+	if (!ccw) {
+	    /* Insert tp between np2 and jp2. */
+	    jp2.x = tpx, jp2.y = tpy;
+	} else {
+	    /* Insert tp between jp1 and np1. */
+	    ASSIGN_POINT(&jp2, np2);
+	    ASSIGN_POINT(&np2, np1);
+	    np1.x = tpx, np1.y = tpy;
+	}
+	return 5;
+    }
+    /*
+     * Don't bother with the miter check if the two
+     * points to be joined are very close together,
+     * namely, in the same square half-pixel.
+     */
+    if (join == gs_join_miter &&
+	!(fixed2long(outp->x << 1) == fixed2long(np->x << 1) &&
+	  fixed2long(outp->y << 1) == fixed2long(np->y << 1))
+	) {
+	/*
+	 * Check whether a miter join is appropriate.
+	 * Let a, b be the angles of the two lines.
+	 * We check tan(a-b) against the miter_check
+	 * by using the following formula:
+	 *      If tan(a)=u1/v1 and tan(b)=u2/v2, then
+	 *      tan(a-b) = (u1*v2 - u2*v1) / (u1*u2 + v1*v2).
+	 *
+	 * We can do all the computations unscaled,
+	 * because we're only concerned with ratios.
+	 * However, if we have a non-uniform coordinate
+	 * system (indicated by pmat != 0), we must do the
+	 * computations in user space.
+	 */
+	float check = pgs_lp->miter_check;
+	double u1 = plp->e.cdelta.y, v1 = plp->e.cdelta.x;
+	double u2 = nplp->o.cdelta.y, v2 = nplp->o.cdelta.x;
+	double num, denom;
+
+	if (pmat) {
+	    gs_point pt;
+
+	    gs_distance_transform_inverse(v1, u1, pmat, &pt);
+	    v1 = pt.x, u1 = pt.y;
+	    gs_distance_transform_inverse(v2, u2, pmat, &pt);
+	    v2 = pt.x, u2 = pt.y;
+	    /*
+	     * We need to recompute ccw according to the
+	     * relative positions of the lines in user space.
+	     * We repeat the computation described above,
+	     * using the cdelta values instead of the widths.
+	     * Because the definition of ccw above is inverted
+	     * from the intuitive one (for historical reasons),
+	     * we actually have to do the test backwards.
+	     */
+	    ccw = v1 * u2 < v2 * u1;
+#ifdef DEBUG
+	    {
+		double a1 = atan2(u1, v1), a2 = atan2(u2, v2), dif = a1 - a2;
+
+		if (dif < 0)
+		    dif += 2 * M_PI;
+		else if (dif >= 2 * M_PI)
+		    dif -= 2 * M_PI;
+		if (dif != 0 && (dif < M_PI) != ccw)
+		    lprintf8("ccw wrong: tan(a1=%g)=%g/%g, tan(a2=%g)=%g,%g, dif=%g, ccw=%d\n",
+			     a1, u1, v1, a2, u2, v2, dif, ccw);
+	    }
+#endif
+	}
+	num = u1 * v2 - u2 * v1;
+	denom = u1 * u2 + v1 * v2;
+	/*
+	 * We will want either tan(a-b) or tan(b-a)
+	 * depending on the orientations of the lines.
+	 * Fortunately we know the relative orientations already.
+	 */
+	if (!ccw)		/* have plp - nplp, want vice versa */
+	    num = -num;
+#ifdef DEBUG
+	if (gs_debug_c('O')) {
+	    dlprintf4("[o]Miter check: u1/v1=%f/%f, u2/v2=%f/%f,\n",
+		      u1, v1, u2, v2);
+	    dlprintf3("        num=%f, denom=%f, check=%f\n",
+		      num, denom, check);
+	}
+#endif
+	/*
+	 * If we define T = num / denom, then we want to use
+	 * a miter join iff arctan(T) >= arctan(check).
+	 * We know that both of these angles are in the 1st
+	 * or 2nd quadrant, and since arctan is monotonic
+	 * within each quadrant, we can do the comparisons
+	 * on T and check directly, taking signs into account
+	 * as follows:
+	 *              sign(T) sign(check)     atan(T) >= atan(check)
+	 *              ------- -----------     ----------------------
+	 *              +       +               T >= check
+	 *              -       +               true
+	 *              +       -               false
+	 *              -       -               T >= check
+	 */
+	if (denom < 0)
+	    num = -num, denom = -denom;
+	/* Now denom >= 0, so sign(num) = sign(T). */
+	if (check > 0 ?
+	    (num < 0 || num >= denom * check) :
+	    (num < 0 && num >= denom * check)
+	    ) {
+	    /* OK to use a miter join. */
+	    gs_fixed_point mpt;
+
+	    if_debug0('O', "	... passes.\n");
+	    /* Compute the intersection of */
+	    /* the extended edge lines. */
+	    if (line_intersect(outp, &plp->e.cdelta, np,
+			       &nplp->o.cdelta, &mpt) == 0
+		)
+		ASSIGN_POINT(outp, mpt);
+	}
+    }
+    return 4;
+}
+/* ---------------- Cap computations ---------------- */
+
+/* Compute the endpoints of the two caps of a segment. */
+/* Only o.p, e.p, width, and cdelta have been set. */
+private void
+compute_caps(register pl_ptr plp)
+{
+    fixed wx2 = plp->width.x;
+    fixed wy2 = plp->width.y;
+
+    plp->o.co.x = plp->o.p.x + wx2, plp->o.co.y = plp->o.p.y + wy2;
+    plp->o.cdelta.x = -plp->e.cdelta.x,
+	plp->o.cdelta.y = -plp->e.cdelta.y;
+    plp->o.ce.x = plp->o.p.x - wx2, plp->o.ce.y = plp->o.p.y - wy2;
+    plp->e.co.x = plp->e.p.x - wx2, plp->e.co.y = plp->e.p.y - wy2;
+    plp->e.ce.x = plp->e.p.x + wx2, plp->e.ce.y = plp->e.p.y + wy2;
+#ifdef DEBUG
+    if (gs_debug_c('O')) {
+	dlprintf4("[o]Stroke o=(%f,%f) e=(%f,%f)\n",
+		  fixed2float(plp->o.p.x), fixed2float(plp->o.p.y),
+		  fixed2float(plp->e.p.x), fixed2float(plp->e.p.y));
+	dlprintf4("\twxy=(%f,%f) lxy=(%f,%f)\n",
+		  fixed2float(wx2), fixed2float(wy2),
+		  fixed2float(plp->e.cdelta.x),
+		  fixed2float(plp->e.cdelta.y));
+    }
+#endif
+}
+
+#define px endp->p.x
+#define py endp->p.y
+#define xo endp->co.x
+#define yo endp->co.y
+#define xe endp->ce.x
+#define ye endp->ce.y
+#define cdx endp->cdelta.x
+#define cdy endp->cdelta.y
+
+/* Add a round cap to a path. */
+/* Assume the current point is the cap origin (endp->co). */
+private int
+add_round_cap(gx_path * ppath, const_ep_ptr endp)
+{
+    fixed xm = px + cdx;
+    fixed ym = py + cdy;
+    int code;
+
+    if ((code = gx_path_add_partial_arc(ppath, xm, ym,
+			   xo + cdx, yo + cdy, quarter_arc_fraction)) < 0 ||
+	(code = gx_path_add_partial_arc(ppath, xe, ye,
+			      xe + cdx, ye + cdy, quarter_arc_fraction)) < 0
+	)
+	return code;
+    return 0;
+}
+
+/* Compute the points for a non-round cap. */
+/* Return the number of points. */
+private int
+cap_points(gs_line_cap type, const_ep_ptr endp,
+	   gs_fixed_point * pts /* [3] */ )
+{
+#define PUT_POINT(i, px, py)\
+  pts[i].x = (px), pts[i].y = (py)
+    switch (type) {
+	case gs_cap_butt:
+	    PUT_POINT(0, xo, yo);
+	    PUT_POINT(1, xe, ye);
+	    return 2;
+	case gs_cap_square:
+	    PUT_POINT(0, xo + cdx, yo + cdy);
+	    PUT_POINT(1, xe + cdx, ye + cdy);
+	    return 2;
+	case gs_cap_triangle:	/* (not supported by PostScript) */
+	    PUT_POINT(0, xo, yo);
+	    PUT_POINT(1, px + cdx, py + cdy);
+	    PUT_POINT(2, xe, ye);
+	    return 3;
+	default:		/* can't happen */
+	    return_error(gs_error_unregistered);
+    }
+#undef PUT_POINT
+}
diff --git a/pstoraster/gxsync.h b/pstoraster/gxsync.h
new file mode 100644
index 000000000..9f6446a68
--- /dev/null
+++ b/pstoraster/gxsync.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to synchronization primitives */
+
+/* Initial version 2/1/98 by John Desrosiers (soho@crl.com) */
+
+#if !defined(gxsync_INCLUDED)
+ #define gxsync_INCLUDED
+
+#include "gpsync.h"
+#include "gsmemory.h"
+
+/* This module abstracts the platform-specific synchronization primitives. */
+/* Since these routines will see heavy use, performance is important. */
+
+/* ----- Semaphore interface ----- */
+/* These have the usual queued, counting semaphore semantics: at init time, */
+/* the event count is set to 0 ('wait' will wait until 1st signal). */
+typedef struct gx_semaphore_s {
+    gs_memory_t *memory;	/* allocator to free memory */
+    gp_semaphore native;	/* MUST BE LAST last since length is undef'd */
+    /*  platform-dep impl, len is gp_semaphore_sizeof() */
+} gx_semaphore_t;
+
+gx_semaphore_t *		/* returns a new semaphore, 0 if error */
+               gx_semaphore_alloc(P1(
+					gs_memory_t * memory	/* memory allocator to use */
+				  ));
+void
+     gx_semaphore_free(P1(
+			     gx_semaphore_t * sema	/* semaphore to delete */
+		       ));
+
+ #define gx_semaphore_wait(sema)  gp_semaphore_wait(&(sema)->native)
+ #define gx_semaphore_signal(sema)  gp_semaphore_signal(&(sema)->native)
+
+
+/* ----- Monitor interface ----- */
+/* These have the usual monitor semantics: at init time, */
+/* the event count is set to 1 (1st 'enter' succeeds immediately). */
+typedef struct gx_monitor_s {
+    gs_memory_t *memory;	/* allocator to free memory */
+    gp_monitor native;		/* platform-dep impl, len is gp_monitor_sizeof() */
+} gx_monitor_t;
+
+gx_monitor_t *			/* returns a new monitor, 0 if error */
+             gx_monitor_alloc(P1(
+				    gs_memory_t * memory	/* memory allocator to use */
+			      ));
+void
+     gx_monitor_free(P1(
+			   gx_monitor_t * mon	/* monitor to delete */
+		     ));
+
+ #define gx_monitor_enter(sema)  gp_monitor_enter(&(sema)->native)
+ #define gx_monitor_leave(sema)  gp_monitor_leave(&(sema)->native)
+
+#endif /* !defined(gxsync_INCLUDED) */
diff --git a/pstoraster/gxtext.h b/pstoraster/gxtext.h
new file mode 100644
index 000000000..d1d51e314
--- /dev/null
+++ b/pstoraster/gxtext.h
@@ -0,0 +1,121 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Driver text interface implementation support */
+
+#ifndef gxtext_INCLUDED
+#  define gxtext_INCLUDED
+
+#include "gstext.h"
+
+/* EVERYTHING IN THIS FILE IS SUBJECT TO CHANGE WITHOUT NOTICE. */
+
+/*
+ * Define the control parameter for setting text metrics.
+ */
+typedef enum {
+    TEXT_SET_CHAR_WIDTH,
+    TEXT_SET_CACHE_DEVICE,
+    TEXT_SET_CACHE_DEVICE2
+} gs_text_cache_control_t;
+
+/*
+ * Define the procedures associated with text display.
+ */
+struct gs_text_enum_procs_s {
+
+    /*
+     * Process the text.  Then client should call this repeatedly until
+     * it returns <= 0.  (> 0 means the client must intervene.)
+     */
+
+#define text_enum_proc_process(proc)\
+  int proc(P1(gs_text_enum_t *penum))
+
+    text_enum_proc_process((*process));
+
+    /*
+     * Set the character width and optionally bounding box,
+     * and enable caching.
+     */
+
+#define text_enum_proc_set_cache(proc)\
+  int proc(P3(gs_text_enum_t *penum, const double *values,\
+    gs_text_cache_control_t control))
+
+    text_enum_proc_set_cache((*set_cache));
+
+};
+
+/* Abstract types */
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+
+#endif
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+
+#endif
+#ifndef gs_font_DEFINED
+#  define gs_font_DEFINED
+typedef struct gs_font_s gs_font;
+
+#endif
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+#ifndef gx_clip_path_DEFINED
+#  define gx_clip_path_DEFINED
+typedef struct gx_clip_path_s gx_clip_path;
+
+#endif
+
+/*
+ * Define the driver procedure for text.
+ */
+#define dev_t_proc_text_begin(proc, dev_t)\
+  int proc(P9(dev_t *dev,\
+    gs_imager_state *pis,\
+    const gs_text_params_t *text,\
+    const gs_font *font,\
+    gx_path *path,			/* unless DO_NONE & !RETURN_WIDTH */\
+    const gx_device_color *pdcolor,	/* DO_DRAW */\
+    const gx_clip_path *pcpath,		/* DO_DRAW */\
+    gs_memory_t *memory,\
+    gs_text_enum_t **ppenum))
+#define dev_proc_text_begin(proc)\
+  dev_t_proc_text_begin(proc, gx_device)
+
+/*
+ * Begin processing text.  This calls the device procedure, and also
+ * initializes the common parts of the enumerator.
+ */
+dev_proc_text_begin(gx_device_text_begin);
+
+#endif /* gxtext_INCLUDED */
diff --git a/pstoraster/gxtmap.h b/pstoraster/gxtmap.h
new file mode 100644
index 000000000..bb5c0b29e
--- /dev/null
+++ b/pstoraster/gxtmap.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of transfer mapping function */
+/* (also used for black generation and undercolor removal) */
+
+#ifndef gxtmap_INCLUDED
+#  define gxtmap_INCLUDED
+
+/* Common definition for mapping procedures. */
+/* These are used for transfer functions, black generation, */
+/* and undercolor removal. */
+/* gx_transfer_map should probably be renamed gx_mapping_cache.... */
+
+/* Define an abstract type for a transfer map. */
+typedef struct gx_transfer_map_s gx_transfer_map;
+
+/*
+ * Define the type of a mapping procedure.  There are two forms of this.
+ * The original form passed only the transfer map itself as an argument:
+ */
+typedef float (*gs_mapping_proc) (P2(floatp, const gx_transfer_map *));
+
+/*
+ * Later, we recognized that this procedure should really be a general
+ * closure:
+ */
+typedef float (*gs_mapping_closure_proc_t) (P3(floatp value,
+					       const gx_transfer_map * pmap,
+					       const void *proc_data));
+typedef struct gs_mapping_closure_s {
+    gs_mapping_closure_proc_t proc;
+    const void *data;
+} gs_mapping_closure_t;
+
+#endif /* gxtmap_INCLUDED */
diff --git a/pstoraster/gxtype1.c b/pstoraster/gxtype1.c
new file mode 100644
index 000000000..fccd3c0e3
--- /dev/null
+++ b/pstoraster/gxtype1.c
@@ -0,0 +1,518 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Adobe Type 1 font interpreter support */
+#include "math_.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "gsccode.h"
+#include "gsline.h"
+#include "gsstruct.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxistate.h"
+#include "gxmatrix.h"
+#include "gxcoord.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+#include "gzpath.h"
+
+/*
+ * The routines in this file are used for both Type 1 and Type 2
+ * charstring interpreters.
+ */
+
+/*
+ * Define whether or not to force hints to "big pixel" boundaries
+ * when rasterizing at higher resolution.  With the current algorithms,
+ * a value of 1 is better for devices without alpha capability,
+ * but 0 is better if alpha is available.
+ */
+#define FORCE_HINTS_TO_BIG_PIXELS 1
+
+/* Structure descriptor */
+public_st_gs_font_type1();
+
+/* Encrypt a string. */
+int
+gs_type1_encrypt(byte * dest, const byte * src, uint len, crypt_state * pstate)
+{
+    register crypt_state state = *pstate;
+    register const byte *from = src;
+    register byte *to = dest;
+    register uint count = len;
+
+    while (count) {
+	encrypt_next(*from, state, *to);
+	from++, to++, count--;
+    }
+    *pstate = state;
+    return 0;
+}
+/* Decrypt a string. */
+int
+gs_type1_decrypt(byte * dest, const byte * src, uint len, crypt_state * pstate)
+{
+    register crypt_state state = *pstate;
+    register const byte *from = src;
+    register byte *to = dest;
+    register uint count = len;
+
+    while (count) {		/* If from == to, we can't use the obvious */
+	/*      decrypt_next(*from, state, *to);        */
+	register byte ch = *from++;
+
+	decrypt_next(ch, state, *to);
+	to++, count--;
+    }
+    *pstate = state;
+    return 0;
+}
+
+/* Define the structure type for a Type 1 interpreter state. */
+public_st_gs_type1_state();
+/* GC procedures */
+#define pcis ((gs_type1_state *)vptr)
+private 
+ENUM_PTRS_BEGIN(gs_type1_state_enum_ptrs)
+{
+    if (index < pcis->ips_count + 3) {
+	ENUM_RETURN_CONST_STRING_PTR(gs_type1_state,
+				     ipstack[index - 3].char_string);
+    }
+    return 0;
+}
+ENUM_PTR(0, gs_type1_state, pfont);
+ENUM_PTR(1, gs_type1_state, pis);
+ENUM_PTR(2, gs_type1_state, path);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(gs_type1_state_reloc_ptrs)
+{
+    int i;
+
+    RELOC_PTR(gs_type1_state, pfont);
+    RELOC_PTR(gs_type1_state, pis);
+    RELOC_PTR(gs_type1_state, path);
+    for (i = 0; i < pcis->ips_count; i++) {
+	ip_state *ipsp = &pcis->ipstack[i];
+	int diff = ipsp->ip - ipsp->char_string.data;
+
+	RELOC_CONST_STRING_VAR(ipsp->char_string);
+	ipsp->ip = ipsp->char_string.data + diff;
+    }
+} RELOC_PTRS_END
+#undef pcis
+
+/* ------ Interpreter entry point ------ */
+
+private int
+gs_no_charstring_interpret(gs_type1_state * pcis, const gs_const_string * str,
+			   int *pindex)
+{
+    return_error(gs_error_rangecheck);
+}
+int (*gs_charstring_interpreter[3])
+    (P3(gs_type1_state * pcis, const gs_const_string * str, int *pindex)) = {
+    gs_no_charstring_interpret,
+	gs_no_charstring_interpret,
+	gs_no_charstring_interpret
+};
+
+/*
+ * Continue interpreting a Type 1 charstring.  If str != 0, it is taken as
+ * the byte string to interpret.  Return 0 on successful completion, <0 on
+ * error, or >0 when client intervention is required (or allowed).  The int*
+ * argument is where the othersubr # is stored for callothersubr.
+ */
+int
+gs_type1_interpret(gs_type1_state * pcis, const gs_const_string * str,
+		   int *pindex)
+{
+    return (*gs_charstring_interpreter[pcis->pfont->data.CharstringType])
+	(pcis, str, pindex);
+}
+
+/* ------ Interpreter services ------ */
+
+#define s (*ps)
+
+/* We export this for the Type 2 charstring interpreter. */
+void
+accum_xy_proc(register is_ptr ps, fixed dx, fixed dy)
+{
+    ptx += c_fixed(dx, xx),
+	pty += c_fixed(dy, yy);
+    if (sfc.skewed)
+	ptx += c_fixed(dy, yx),
+	    pty += c_fixed(dx, xy);
+}
+
+/* Initialize a Type 1 interpreter. */
+/* The caller must supply a string to the first call of gs_type1_interpret. */
+int
+gs_type1_interp_init(register gs_type1_state * pcis, gs_imager_state * pis,
+    gx_path * ppath, const gs_log2_scale_point * pscale, bool charpath_flag,
+		     int paint_type, gs_font_type1 * pfont)
+{
+    static const gs_log2_scale_point no_scale =
+    {0, 0};
+    const gs_log2_scale_point *plog2_scale =
+    (FORCE_HINTS_TO_BIG_PIXELS ? pscale : &no_scale);
+
+    pcis->pfont = pfont;
+    pcis->pis = pis;
+    pcis->path = ppath;
+    /*
+     * charpath_flag controls coordinate rounding, hinting, and
+     * flatness enhancement.  If we allow it to be set to true,
+     * charpath may produce results quite different from show.
+     */
+    pcis->charpath_flag = false /*charpath_flag */ ;
+    pcis->paint_type = paint_type;
+    pcis->os_count = 0;
+    pcis->ips_count = 1;
+    pcis->ipstack[0].ip = 0;
+    pcis->ipstack[0].char_string.data = 0;
+    pcis->ipstack[0].char_string.size = 0;
+    pcis->ignore_pops = 0;
+    pcis->init_done = -1;
+    pcis->sb_set = false;
+    pcis->width_set = false;
+    pcis->have_hintmask = false;
+    pcis->num_hints = 0;
+    pcis->seac_accent = -1;
+
+    /* Set the sampling scale. */
+    set_pixel_scale(&pcis->scale.x, plog2_scale->x);
+    set_pixel_scale(&pcis->scale.y, plog2_scale->y);
+
+    return 0;
+}
+/* Preset the left side bearing and/or width. */
+void
+gs_type1_set_lsb(gs_type1_state * pcis, const gs_point * psbpt)
+{
+    pcis->lsb.x = float2fixed(psbpt->x);
+    pcis->lsb.y = float2fixed(psbpt->y);
+    pcis->sb_set = true;
+}
+void
+gs_type1_set_width(gs_type1_state * pcis, const gs_point * pwpt)
+{
+    pcis->width.x = float2fixed(pwpt->x);
+    pcis->width.y = float2fixed(pwpt->y);
+    pcis->width_set = true;
+}
+/* Finish initializing the interpreter if we are actually rasterizing */
+/* the character, as opposed to just computing the side bearing and width. */
+void
+gs_type1_finish_init(gs_type1_state * pcis, gs_op1_state * ps)
+{
+    gs_imager_state *pis = pcis->pis;
+
+    /* Set up the fixed version of the transformation. */
+    gx_matrix_to_fixed_coeff(&ctm_only(pis), &pcis->fc, max_coeff_bits);
+    sfc = pcis->fc;
+
+    /* Set the current point of the path to the origin, */
+    /* in anticipation of the initial [h]sbw. */
+    {
+	gx_path *ppath = pcis->path;
+
+	ptx = pcis->origin.x = ppath->position.x;
+	pty = pcis->origin.y = ppath->position.y;
+    }
+
+    /* Initialize hint-related scalars. */
+    pcis->asb_diff = pcis->adxy.x = pcis->adxy.y = 0;
+    pcis->flex_count = flex_max;	/* not in Flex */
+    pcis->dotsection_flag = dotsection_out;
+    pcis->vstem3_set = false;
+    pcis->vs_offset.x = pcis->vs_offset.y = 0;
+    pcis->hints_initial = 0;	/* probably not needed */
+    pcis->hint_next = 0;
+    pcis->hints_pending = 0;
+
+    /* Assimilate the hints proper. */
+    {
+	gs_log2_scale_point log2_scale;
+
+	log2_scale.x = pcis->scale.x.log2_unit;
+	log2_scale.y = pcis->scale.y.log2_unit;
+	if (pcis->charpath_flag)
+	    reset_font_hints(&pcis->fh, &log2_scale);
+	else
+	    compute_font_hints(&pcis->fh, &pis->ctm, &log2_scale,
+			       &pcis->pfont->data);
+    }
+    reset_stem_hints(pcis);
+
+    /*
+     * Set the flatness to a value that is likely to produce reasonably
+     * good-looking curves, regardless of its current value in the
+     * graphics state.  If the character is very small, set the flatness
+     * to zero, which will produce very accurate curves.
+     */
+    {
+	float cxx = fabs(pis->ctm.xx), cyy = fabs(pis->ctm.yy);
+
+	if (cyy < cxx)
+	    cxx = cyy;
+	if (!is_xxyy(&pis->ctm)) {
+	    float cxy = fabs(pis->ctm.xy), cyx = fabs(pis->ctm.yx);
+
+	    if (cxy < cxx)
+		cxx = cxy;
+	    if (cyx < cxx)
+		cxx = cyx;
+	}
+	/* Don't let the flatness be worse than the default. */
+	if (cxx > pis->flatness)
+	    cxx = pis->flatness;
+	/* If the character is tiny, force accurate curves. */
+	if (cxx < 0.2)
+	    cxx = 0;
+	pcis->flatness = cxx;
+    }
+
+    /* Move to the side bearing point. */
+    accum_xy(pcis->lsb.x, pcis->lsb.y);
+    pcis->position.x = ptx;
+    pcis->position.y = pty;
+
+    pcis->init_done = 1;
+}
+
+/* ------ Operator procedures ------ */
+
+/* We put these before the interpreter to save having to write */
+/* prototypes for all of them. */
+
+int
+gs_op1_closepath(register is_ptr ps)
+{				/* Note that this does NOT reset the current point! */
+    gx_path *ppath = sppath;
+    subpath *psub;
+    segment *pseg;
+    fixed dx, dy;
+    int code;
+
+    /* Check for and suppress a microscopic closing line. */
+    if ((psub = ppath->current_subpath) != 0 &&
+	(pseg = psub->last) != 0 &&
+	(dx = pseg->pt.x - psub->pt.x,
+	 any_abs(dx) < float2fixed(0.1)) &&
+	(dy = pseg->pt.y - psub->pt.y,
+	 any_abs(dy) < float2fixed(0.1))
+	)
+	switch (pseg->type) {
+	    case s_line:
+		code = gx_path_pop_close_subpath(sppath);
+		break;
+	    case s_curve:
+		/*
+		 * Unfortunately, there is no "s_curve_close".  (Maybe there
+		 * should be?)  Just adjust the final point of the curve so it
+		 * is identical to the closing point.
+		 */
+		pseg->pt = psub->pt;
+#define pcseg ((curve_segment *)pseg)
+		pcseg->p2.x -= dx;
+		pcseg->p2.y -= dy;
+#undef pcseg
+		/* falls through */
+	    default:
+		/* What else could it be?? */
+		code = gx_path_close_subpath(sppath);
+    } else
+	code = gx_path_close_subpath(sppath);
+    if (code < 0)
+	return code;
+    return gx_path_add_point(ppath, ptx, pty);	/* put the point where it was */
+}
+
+int
+gs_op1_rrcurveto(register is_ptr ps, fixed dx1, fixed dy1,
+		 fixed dx2, fixed dy2, fixed dx3, fixed dy3)
+{
+    gs_fixed_point pt1, pt2;
+    fixed ax0 = sppath->position.x - ptx;
+    fixed ay0 = sppath->position.y - pty;
+
+    accum_xy(dx1, dy1);
+    pt1.x = ptx + ax0, pt1.y = pty + ay0;
+    accum_xy(dx2, dy2);
+    pt2.x = ptx, pt2.y = pty;
+    accum_xy(dx3, dy3);
+    return gx_path_add_curve(sppath, pt1.x, pt1.y, pt2.x, pt2.y, ptx, pty);
+}
+
+#undef s
+
+/* Record the side bearing and character width. */
+int
+gs_type1_sbw(gs_type1_state * pcis, fixed lsbx, fixed lsby, fixed wx, fixed wy)
+{
+    if (!pcis->sb_set)
+	pcis->lsb.x = lsbx, pcis->lsb.y = lsby,
+	    pcis->sb_set = true;	/* needed for accented chars */
+    if (!pcis->width_set)
+	pcis->width.x = wx, pcis->width.y = wy,
+	    pcis->width_set = true;
+    if_debug4('1', "[1]sb=(%g,%g) w=(%g,%g)\n",
+	      fixed2float(pcis->lsb.x), fixed2float(pcis->lsb.y),
+	      fixed2float(pcis->width.x), fixed2float(pcis->width.y));
+    return 0;
+}
+
+/*
+ * Handle a seac.  Do the base character now; when it finishes (detected
+ * in endchar), do the accent.  Note that we pass only 4 operands on the
+ * stack, and pass asb separately.
+ */
+int
+gs_type1_seac(gs_type1_state * pcis, const fixed * cstack, fixed asb,
+	      ip_state * ipsp)
+{
+    gs_font_type1 *pfont = pcis->pfont;
+    gs_const_string bcstr;
+    int code;
+
+    /* Save away all the operands. */
+    pcis->seac_accent = fixed2int_var(cstack[3]);
+    pcis->save_asb = asb - pcis->lsb.x;
+    pcis->save_adxy.x = cstack[0];
+    pcis->save_adxy.y = cstack[1];
+    pcis->os_count = 0;		/* clear */
+    /* Ask the caller to provide the base character's CharString. */
+    code = (*pfont->data.procs->seac_data)
+	(pfont, fixed2int_var(cstack[2]), &bcstr);
+    if (code != 0)
+	return code;
+    /* Continue with the supplied string. */
+    ipsp->char_string = bcstr;
+    return 0;
+}
+
+/*
+ * Handle the end of a character.  Return 0 if this is really the end of a
+ * character, or 1 if we still have to process the accent of a seac.
+ * In the latter case, the interpreter control stack has been set up to
+ * point to the start of the accent's CharString; the caller must
+ * also set ptx/y to pcis->position.x/y.
+ */
+int
+gs_type1_endchar(gs_type1_state * pcis)
+{
+    gs_imager_state *pis = pcis->pis;
+    gx_path *ppath = pcis->path;
+
+    if (pcis->seac_accent >= 0) {	/* We just finished the base character of a seac. */
+	/* Do the accent. */
+	gs_font_type1 *pfont = pcis->pfont;
+	gs_op1_state s;
+	gs_const_string astr;
+	int achar = pcis->seac_accent;
+	int code;
+
+	pcis->seac_accent = -1;
+	/* Reset the coordinate system origin */
+	sfc = pcis->fc;
+	ptx = pcis->origin.x, pty = pcis->origin.y;
+	pcis->asb_diff = pcis->save_asb;
+	pcis->adxy = pcis->save_adxy;
+	/*
+	 * We're going to add in the lsb of the accented character when
+	 * we encounter its [h]sbw, so don't do it now.
+	 */
+	accum_xy(pcis->adxy.x, pcis->adxy.y);
+	ppath->position.x = pcis->position.x = ptx;
+	ppath->position.y = pcis->position.y = pty;
+	pcis->os_count = 0;	/* clear */
+	/* Clear the ipstack, in case the base character */
+	/* ended inside a subroutine. */
+	pcis->ips_count = 1;
+	/* Remove any base character hints. */
+	reset_stem_hints(pcis);
+	/* Ask the caller to provide the accent's CharString. */
+	code = (*pfont->data.procs->seac_data) (pfont, achar, &astr);
+	if (code < 0)
+	    return code;
+	/* Continue with the supplied string. */
+	pcis->ips_count = 1;
+	pcis->ipstack[0].char_string = astr;
+	return 1;
+    }
+    if (pcis->hint_next != 0 || path_is_drawing(ppath))
+	apply_path_hints(pcis, true);
+    /* Set the current point to the character origin */
+    /* plus the width. */
+    {
+	gs_fixed_point pt;
+
+	gs_point_transform2fixed(&pis->ctm,
+				 fixed2float(pcis->width.x),
+				 fixed2float(pcis->width.y),
+				 &pt);
+	gx_path_add_point(ppath, pt.x, pt.y);
+    }
+    if (pcis->scale.x.log2_unit + pcis->scale.y.log2_unit == 0) {	/*
+									 * Tweak up the fill adjustment.  This is a hack for when
+									 * we can't oversample.  The values here are based entirely
+									 * on experience, not theory, and are designed primarily
+									 * for displays and low-resolution fax.
+									 */
+	gs_fixed_rect bbox;
+	int dx, dy, dmax;
+
+	gx_path_bbox(ppath, &bbox);
+	dx = fixed2int_ceiling(bbox.q.x - bbox.p.x);
+	dy = fixed2int_ceiling(bbox.q.y - bbox.p.y);
+	dmax = max(dx, dy);
+	if (pcis->fh.snap_h.count || pcis->fh.snap_v.count ||
+	    pcis->fh.a_zone_count
+	    ) {			/* We have hints.  Only tweak up a little at */
+	    /* very small sizes, to help nearly-vertical */
+	    /* or nearly-horizontal diagonals. */
+	    pis->fill_adjust.x = pis->fill_adjust.y =
+		(dmax < 15 ? float2fixed(0.15) :
+		 dmax < 25 ? float2fixed(0.1) :
+		 fixed_0);
+	} else {		/* No hints.  Tweak a little more to compensate */
+	    /* for lack of snapping to pixel grid. */
+	    pis->fill_adjust.x = pis->fill_adjust.y =
+		(dmax < 10 ? float2fixed(0.2) :
+		 dmax < 25 ? float2fixed(0.1) :
+		 float2fixed(0.05));
+	}
+    } else {			/* Don't do any adjusting. */
+	pis->fill_adjust.x = pis->fill_adjust.y = fixed_0;
+    }
+    /* Set the flatness for curve rendering. */
+    if (!pcis->charpath_flag)
+	gs_imager_setflat(pis, pcis->flatness);
+    return 0;
+}
diff --git a/pstoraster/gxtype1.h b/pstoraster/gxtype1.h
new file mode 100644
index 000000000..8e393741b
--- /dev/null
+++ b/pstoraster/gxtype1.h
@@ -0,0 +1,346 @@
+/* Copyright (C) 1990, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Private Adobe Type 1 / Type 2 charstring interpreter definitions */
+
+#ifndef gxtype1_INCLUDED
+#  define gxtype1_INCLUDED
+
+#include "gscrypt1.h"
+#include "gstype1.h"
+#include "gxop1.h"
+
+/* This file defines the structures for the state of a Type 1 / */
+/* Type 2 charstring interpreter. */
+
+/*
+ * Because of oversampling, one pixel in the Type 1 interpreter may
+ * correspond to several device pixels.  This is also true of the hint data,
+ * since the CTM reflects the transformation to the oversampled space.
+ * To help keep the font level hints separated from the character level hints,
+ * we store the scaling factor separately with each set of hints.
+ */
+typedef struct pixel_scale_s {
+    fixed unit;			/* # of pixels per device pixel */
+    fixed half;			/* unit / 2 */
+    int log2_unit;		/* log2(unit / fixed_1) */
+} pixel_scale;
+typedef struct point_scale_s {
+    pixel_scale x, y;
+} point_scale;
+
+#define set_pixel_scale(pps, log2)\
+  (pps)->unit = ((pps)->half = fixed_half << ((pps)->log2_unit = log2)) << 1
+#define scaled_rounded(v, pps)\
+  (((v) + (pps)->half) & -(pps)->unit)
+
+/* ------ Font level hints ------ */
+
+/* Define the standard stem width tables. */
+/* Each table is sorted, since the StemSnap arrays are sorted. */
+#define max_snaps (1 + max_StemSnap)
+typedef struct {
+    int count;
+    fixed data[max_snaps];
+} stem_snap_table;
+
+/* Define the alignment zone structure. */
+/* These are in device coordinates also. */
+#define max_a_zones (max_BlueValues + max_OtherBlues)
+typedef struct {
+    int is_top_zone;
+    fixed v0, v1;		/* range for testing */
+    fixed flat;			/* flat position */
+} alignment_zone;
+
+/* Define the structure for hints that depend only on the font and CTM, */
+/* not on the individual character.  Eventually these should be cached */
+/* with the font/matrix pair. */
+typedef struct font_hints_s {
+    bool axes_swapped;		/* true if x & y axes interchanged */
+    /* (only set if using hints) */
+    bool x_inverted, y_inverted;	/* true if axis is inverted */
+    bool use_x_hints;		/* true if we should use hints */
+    /* for char space x coords (vstem) */
+    bool use_y_hints;		/* true if we should use hints */
+    /* for char space y coords (hstem) */
+    point_scale scale;		/* oversampling scale */
+    stem_snap_table snap_h;	/* StdHW, StemSnapH */
+    stem_snap_table snap_v;	/* StdVW, StemSnapV */
+    fixed blue_fuzz, blue_shift;	/* alignment zone parameters */
+    /* in device pixels */
+    bool suppress_overshoot;	/* (computed from BlueScale) */
+    int a_zone_count;		/* # of alignment zones */
+    alignment_zone a_zones[max_a_zones];	/* the alignment zones */
+} font_hints;
+
+/* ------ Character level hints ------ */
+
+/*
+ * Define the stem hint tables.  Each stem hint table is kept sorted.
+ * Stem hints are in device coordinates.  We have to retain replaced hints
+ * so that we can make consistent rounding choices for stem edges.
+ * This is clunky, but I don't see any other way to do it.
+ *
+ * The Type 2 charstring documentation says that the total number of hints
+ * is limited to 96, but since we store horizontal and vertical hints
+ * separately, we must set max_stems large enough to allow either one to
+ * get this big.
+ */
+#define max_total_stem_hints 96
+#define max_stems 96
+typedef struct {
+    fixed v0, v1;		/* coordinates (widened a little) */
+    fixed dv0, dv1;		/* adjustment values */
+    ushort index;		/* sequential index of hint, */
+    /* needed for implementing hintmask */
+    ushort active;		/* true if hint is active (hintmask) */
+} stem_hint;
+typedef struct {
+    int count;
+    int current;		/* cache cursor for search */
+    /*
+     * For dotsection and Type 1 Charstring hint replacement,
+     * we store active hints at the bottom of the table, and
+     * replaced hints at the top.
+     */
+    int replaced_count;		/* # of replaced hints at top */
+    stem_hint data[max_stems];
+} stem_hint_table;
+
+/* ------ Interpreter state ------ */
+
+/* Define the control state of the interpreter. */
+/* This is what must be saved and restored */
+/* when calling a CharString subroutine. */
+typedef struct {
+    const byte *ip;
+    crypt_state dstate;
+    gs_const_string char_string;	/* original CharString or Subr, */
+    /* for GC */
+} ip_state;
+
+/* Get the next byte from a CharString.  It may or may not be encrypted. */
+#define charstring_this(ch, state, encrypted)\
+  (encrypted ? decrypt_this(ch, state) : ch)
+#define charstring_next(ch, state, chvar, encrypted)\
+  (encrypted ? (chvar = decrypt_this(ch, state),\
+		decrypt_skip_next(ch, state)) :\
+   (chvar = ch))
+#define charstring_skip_next(ch, state, encrypted)\
+  (encrypted ? decrypt_skip_next(ch, state) : 0)
+
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+
+#ifndef segment_DEFINED
+#  define segment_DEFINED
+typedef struct segment_s segment;
+
+#endif
+
+/* This is the full state of the Type 1 interpreter. */
+#define ostack_size 48		/* per Type 2 documentation */
+#define ipstack_size 10		/* per documentation */
+struct gs_type1_state_s {
+    /* The following are set at initialization */
+    gs_font_type1 *pfont;	/* font-specific data */
+    gs_imager_state *pis;	/* imager state */
+    gx_path *path;		/* path for appending */
+    bool charpath_flag;		/* false if show, true if charpath */
+    int paint_type;		/* 0/3 for fill, 1/2 for stroke */
+    fixed_coeff fc;		/* cached fixed coefficients */
+    float flatness;		/* flatness for character curves */
+    point_scale scale;		/* oversampling scale */
+    font_hints fh;		/* font-level hints */
+    gs_fixed_point origin;	/* character origin */
+    /* The following are updated dynamically */
+    fixed ostack[ostack_size];	/* the Type 1 operand stack */
+    int os_count;		/* # of occupied stack entries */
+    ip_state ipstack[ipstack_size + 1];		/* control stack */
+    int ips_count;		/* # of occupied entries */
+    int init_done;		/* -1 if not done & not needed, */
+    /* 0 if not done & needed, 1 if done */
+    bool sb_set;		/* true if lsb is preset */
+    bool width_set;		/* true if width is set (for */
+    /* seac components) */
+    bool have_hintmask;		/* true if using a hint mask */
+    /* (Type 2 charstrings only) */
+    int num_hints;		/* number of hints (Type 2 only) */
+    gs_fixed_point lsb;		/* left side bearing (char coords) */
+    gs_fixed_point width;	/* character width (char coords) */
+    int seac_accent;		/* accent character code for seac, */
+    /* or -1 */
+    fixed save_asb;		/* save seac asb */
+    gs_fixed_point save_adxy;	/* save seac adx/ady */
+    fixed asb_diff;		/* seac asb - accented char lsb.x, */
+    /* needed to adjust Flex endpoint */
+    gs_fixed_point adxy;	/* seac accent displacement, */
+    /* needed to adjust currentpoint */
+    gs_fixed_point position;	/* save unadjusted position */
+    /* when returning temporarily */
+    /* to caller */
+    int flex_path_state_flags;	/* record whether path was open */
+    /* at start of Flex section */
+#define flex_max 8
+    gs_fixed_point flex_points[flex_max];	/* points for Flex */
+    int flex_count;
+    int ignore_pops;		/* # of pops to ignore (after */
+    /* a known othersubr call) */
+    /* The following are set dynamically. */
+#define dotsection_in 0
+#define dotsection_out (-1)
+    int dotsection_flag;	/* 0 if inside dotsection, */
+    /* -1 if outside */
+    bool vstem3_set;		/* true if vstem3 seen */
+    gs_fixed_point vs_offset;	/* device space offset for centering */
+    /* middle stem of vstem3 */
+    int hints_initial;		/* hints applied to initial point */
+    /* of subpath */
+    gs_fixed_point unmoved_start;	/* original initial point of subpath */
+    segment *hint_next;		/* last segment where hints have */
+    /* been applied, 0 means none of */
+    /* current subpath has been hinted */
+    int hints_pending;		/* hints applied to end of hint_next */
+    gs_fixed_point unmoved_end;	/* original hint_next->pt */
+    stem_hint_table hstem_hints;	/* horizontal stem hints */
+    stem_hint_table vstem_hints;	/* vertical stem hints */
+    fixed transient_array[32];	/* Type 2 transient array, */
+    /* will be variable-size someday */
+};
+
+extern_st(st_gs_type1_state);
+#define public_st_gs_type1_state() /* in gstype1.c */\
+  gs_public_st_composite(st_gs_type1_state, gs_type1_state, "gs_type1_state",\
+    gs_type1_state_enum_ptrs, gs_type1_state_reloc_ptrs)
+
+/* ------ Shared Type 1 / Type 2 interpreter fragments ------ */
+
+/* Declare the array of charstring interpreters, indexed by CharstringType. */
+extern int (*gs_charstring_interpreter[3])
+    (P3(gs_type1_state * pcis, const gs_const_string * str, int *pindex));
+
+/* Copy the operand stack out of the saved state. */
+#define init_cstack(cstack, csp, pcis)\
+  BEGIN\
+    if ( pcis->os_count == 0 )\
+      csp = cstack - 1;\
+    else\
+      { memcpy(cstack, pcis->ostack, pcis->os_count * sizeof(fixed));\
+        csp = &cstack[pcis->os_count - 1];\
+      }\
+  END
+
+/* Decode and push a 1-byte number. */
+#define decode_push_num1(csp, c)\
+  (*++csp = int2fixed(c_value_num1(c)))
+
+/* Decode and push a 2-byte number. */
+#define decode_push_num2(csp, c, cip, state, encrypted)\
+  BEGIN\
+    uint c2 = *cip++;\
+    int cn;\
+\
+    cn = charstring_this(c2, state, encrypted);\
+    if ( c < c_neg2_0 )\
+      { if_debug2('1', "[1] (%d)+%d\n", c_value_pos2(c, 0), cn);\
+        *++csp = int2fixed(c_value_pos2(c, 0) + (int)cn);\
+      }\
+    else\
+      { if_debug2('1', "[1] (%d)-%d\n", c_value_neg2(c, 0), cn);\
+        *++csp = int2fixed(c_value_neg2(c, 0) - (int)cn);\
+      }\
+    charstring_skip_next(c2, state, encrypted);\
+  END
+
+/* Decode a 4-byte number, but don't push it, because Type 1 and Type 2 */
+/* charstrings scale it differently. */
+#if arch_sizeof_long > 4
+#  define sign_extend_num4(lw)\
+     lw = (lw ^ 0x80000000L) - 0x80000000L
+#else
+#  define sign_extend_num4(lw) DO_NOTHING
+#endif
+#define decode_num4(lw, cip, state, encrypted)\
+  BEGIN\
+    int i;\
+    uint c4;\
+\
+    lw = 0;\
+    for ( i = 4; --i >= 0; )\
+      { charstring_next(*cip, state, c4, encrypted);\
+        lw = (lw << 8) + c4;\
+	cip++;\
+      }\
+    sign_extend_num4(lw);\
+  END
+
+/* ------ Shared Type 1 / Type 2 charstring utilities ------ */
+
+void gs_type1_finish_init(P2(gs_type1_state * pcis, is_ptr ps));
+
+int gs_type1_sbw(P5(gs_type1_state * pcis, fixed sbx, fixed sby,
+		    fixed wx, fixed wy));
+
+int gs_type1_seac(P4(gs_type1_state * pcis, const fixed * cstack,
+		     fixed asb_diff, ip_state * ipsp));
+
+int gs_type1_endchar(P1(gs_type1_state * pcis));
+
+/* ----- Interface between main Type 1 interpreter and hint routines ----- */
+
+/* Font level hints */
+void reset_font_hints(P2(font_hints *, const gs_log2_scale_point *));
+void compute_font_hints(P4(font_hints *, const gs_matrix_fixed *,
+			   const gs_log2_scale_point *,
+			   const gs_type1_data *));
+
+/* Character level hints */
+void reset_stem_hints(P1(gs_type1_state *)), update_stem_hints(P1(gs_type1_state *)),
+     type1_replace_stem_hints(P1(gs_type1_state *)),
+#define replace_stem_hints(pcis)\
+  (apply_path_hints(pcis, false),\
+   type1_replace_stem_hints(pcis))
+     type1_apply_path_hints(P3(gs_type1_state *, bool, gx_path *)),
+#define apply_path_hints(pcis, closing)\
+  type1_apply_path_hints(pcis, closing, pcis->path)
+     type1_do_hstem(P4(gs_type1_state *, fixed, fixed,
+		       const gs_matrix_fixed *)),
+#define type1_hstem(pcis, y, dy)\
+  type1_do_hstem(pcis, y, dy, &(pcis)->pis->ctm)
+      type1_do_vstem(P4(gs_type1_state *, fixed, fixed,
+			const gs_matrix_fixed *)),
+#define type1_vstem(pcis, x, dx)\
+  type1_do_vstem(pcis, x, dx, &(pcis)->pis->ctm)
+      type1_do_center_vstem(P4(gs_type1_state *, fixed, fixed,
+			       const gs_matrix_fixed *));
+
+#define center_vstem(pcis, x0, dx)\
+  type1_do_center_vstem(pcis, x0, dx, &(pcis)->pis->ctm)
+
+#endif /* gxtype1_INCLUDED */
diff --git a/pstoraster/gxxfont.h b/pstoraster/gxxfont.h
new file mode 100644
index 000000000..ae119d0f3
--- /dev/null
+++ b/pstoraster/gxxfont.h
@@ -0,0 +1,180 @@
+/* Copyright (C) 1992, 1993, 1994, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* External font interface for Ghostscript library */
+
+#ifndef gxxfont_INCLUDED
+#  define gxxfont_INCLUDED
+
+#include "gsccode.h"
+#include "gsmatrix.h"
+#include "gsuid.h"
+#include "gsxfont.h"
+
+/*
+ *                    Design issues for external fonts
+ *
+ * 1. Where do xfonts come from: a device or a font service?
+ *
+ * 2. Is a given xfont associated with a particular device, or with a
+ *    class of devices, which may have different output media?
+ *    (Specifically, Windows displays vs. printers.)
+ *
+ * 3. Is an xfont a handle that must be interpreted by its originator,
+ *    or an object with its own set of operations?
+ *
+ * 4. Are xfonts always transformation-specific, or is there such a thing
+ *    as a scalable xfont?
+ *
+ * 5. What is the meaning of the transformation matrix supplied when
+ *    asking for an xfont?
+ *
+ *                      Answers (for the current design)
+ *
+ * 1. Devices supply xfonts.  Internal devices (image, null, clipping,
+ *    command list, tracing) forward font requests to a real underlying
+ *    device.  File format devices should do the same, but right now
+ *    they don't.
+ *
+ * 2. An xfont is not associated with anything: it just provides bitmaps.
+ *    Since xfonts are only used at small sizes and low resolutions,
+ *    tuning differences for different output media aren't likely to be
+ *    an issue.
+ *
+ * 3. Xfonts are objects.  They are allocated by their originator, and
+ *    (currently) only freed by `restore'.
+ *
+ * 4. Xfonts are always transformation-specific.  This may lead to some
+ *    clutter, but it's very unlikely that a document will have enough
+ *    different transformed versions of a single font for this to be a
+ *    problem in practice.
+ *
+ * 5. The transformation matrix is the CTM within the BuildChar or BuildGlyph
+ *    procedure.  This maps a 1000x1000 square to the intended character size
+ *    (assuming the base font uses the usual 1000-unit scaling).
+ */
+
+/* The definitions for xfonts are very similar to those for devices. */
+
+/* Structure for generic xfonts. */
+typedef struct gx_xfont_common_s {
+    const gx_xfont_procs *procs;
+} gx_xfont_common;
+
+/* A generic xfont. */
+struct gx_xfont_s {
+    gx_xfont_common common;
+};
+
+/* Definition of xfont procedures. */
+
+struct gx_xfont_procs_s {
+
+    /* Look up a font name, UniqueID, and matrix, and return */
+    /* an xfont. */
+
+    /* NOTE: even though this is defined as an xfont_proc, */
+    /* it is actually a `factory' procedure, the only one that */
+    /* does not take an xfont * as its first argument. */
+
+#define xfont_proc_lookup_font(proc)\
+  gx_xfont *proc(P7(gx_device *dev, const byte *fname, uint len,\
+    int encoding_index, const gs_uid *puid, const gs_matrix *pmat,\
+    gs_memory_t *mem))
+    xfont_proc_lookup_font((*lookup_font));
+
+    /* Convert a character name to an xglyph code. */
+    /* encoding_index is 0 for StandardEncoding, */
+    /* 1 for ISOLatin1Encoding, 2 for SymbolEncoding, */
+    /* and -1 for any other encoding.  Either chr or glyph */
+    /* may be absent (gs_no_char/glyph), but not both. */
+    /* OBSOLETE as of release 3.43, but still supported. */
+
+#define xfont_proc_char_xglyph(proc)\
+  gx_xglyph proc(P5(gx_xfont *xf, gs_char chr, int encoding_index,\
+    gs_glyph glyph, gs_proc_glyph_name((*glyph_name))))
+    xfont_proc_char_xglyph((*char_xglyph));
+
+    /* Get the metrics for a character. */
+    /* Note: pwidth changed in release 2.9.7. */
+
+#define xfont_proc_char_metrics(proc)\
+  int proc(P5(gx_xfont *xf, gx_xglyph xg, int wmode,\
+    gs_point *pwidth, gs_int_rect *pbbox))
+    xfont_proc_char_metrics((*char_metrics));
+
+    /* Render a character. */
+    /* (x,y) corresponds to the character origin. */
+    /* The target may be any Ghostscript device. */
+
+#define xfont_proc_render_char(proc)\
+  int proc(P7(gx_xfont *xf, gx_xglyph xg, gx_device *target,\
+    int x, int y, gx_color_index color, int required))
+    xfont_proc_render_char((*render_char));
+
+    /* Release any external resources associated with an xfont. */
+    /* If mprocs is not NULL, also free any storage */
+    /* allocated by lookup_font (including the xfont itself). */
+
+#define xfont_proc_release(proc)\
+  int proc(P2(gx_xfont *xf, gs_memory_t *mem))
+    xfont_proc_release((*release));
+
+    /* Convert a character name to an xglyph code. */
+    /* This is the same as char_xglyph, except that */
+    /* it takes a vector of callback procedures. */
+    /* (New in release 3.43.) */
+
+#define xfont_proc_char_xglyph2(proc)\
+  gx_xglyph proc(P5(gx_xfont *xf, gs_char chr, int encoding_index,\
+    gs_glyph glyph, const gx_xfont_callbacks *callbacks))
+    xfont_proc_char_xglyph2((*char_xglyph2));
+
+};
+
+/*
+ * Since xfonts are garbage-collectable, they need structure descriptors.
+ * Fortunately, the common part of an xfont contains no pointers to
+ * GC-managed space, so simple xfonts can use gs_private_st_simple.
+ * The following macro will serve for an xfont with only one pointer,
+ * to its device:
+ */
+#define gs__st_dev_ptrs1(scope_st, stname, stype, sname, penum, preloc, de)\
+  private ENUM_PTRS_BEGIN(penum) return 0;\
+    case 0: ENUM_RETURN(gx_device_enum_ptr((gx_device *)(((stype *)vptr)->de)));\
+  ENUM_PTRS_END\
+  private RELOC_PTRS_BEGIN(preloc) ;\
+    ((stype *)vptr)->de = (void *)gx_device_reloc_ptr((gx_device *)(((stype *)vptr)->de), gcst);\
+  RELOC_PTRS_END\
+  gs__st_composite_only(scope_st, stname, stype, sname, penum, preloc)
+/*
+ * We probably don't ever want xfont descriptors to be public....
+ #define gs_public_st_dev_ptrs1(stname, stype, sname, penum, preloc, de)\
+ gs__st_dev_ptrs1(public_st, stname, stype, sname, penum, preloc, de)
+ */
+#define gs_private_st_dev_ptrs1(stname, stype, sname, penum, preloc, de)\
+  gs__st_dev_ptrs1(private_st, stname, stype, sname, penum, preloc, de)
+
+#endif /* gxxfont_INCLUDED */
diff --git a/pstoraster/gzacpath.h b/pstoraster/gzacpath.h
new file mode 100644
index 000000000..11d07187f
--- /dev/null
+++ b/pstoraster/gzacpath.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h, gzcpath.h */
+
+#ifndef gzacpath_INCLUDED
+#  define gzacpath_INCLUDED
+
+/*
+ * Device for accumulating a rectangle list.  This device can clip
+ * the list being accumulated with a clipping rectangle on the fly:
+ * we use this to clip clipping paths to band boundaries when
+ * rendering a band list.
+ */
+typedef struct gx_device_cpath_accum_s {
+    gx_device_common;
+    gs_memory_t *list_memory;
+    gs_int_rect clip_box;
+    gs_int_rect bbox;
+    gx_clip_list list;
+} gx_device_cpath_accum;
+
+/* Start accumulating a clipping path. */
+void gx_cpath_accum_begin(P2(gx_device_cpath_accum * padev, gs_memory_t * mem));
+
+/* Set the accumulator's clipping box. */
+void gx_cpath_accum_set_cbox(P2(gx_device_cpath_accum * padev,
+				const gs_fixed_rect * pbox));
+
+/* Finish accumulating a clipping path. */
+/* Note that this releases the old contents of the clipping path. */
+int gx_cpath_accum_end(P2(const gx_device_cpath_accum * padev,
+			  gx_clip_path * pcpath));
+
+/* Discard an accumulator in case of error. */
+void gx_cpath_accum_discard(P1(gx_device_cpath_accum * padev));
+
+#endif /* gzacpath_INCLUDED */
diff --git a/pstoraster/gzcpath.h b/pstoraster/gzcpath.h
new file mode 100644
index 000000000..e9f108d77
--- /dev/null
+++ b/pstoraster/gzcpath.h
@@ -0,0 +1,106 @@
+/* Copyright (C) 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gzpath.h. */
+
+#ifndef gzcpath_INCLUDED
+#  define gzcpath_INCLUDED
+
+#include "gxcpath.h"
+
+/*
+ * The reference counting considerations for clip paths are the same as
+ * for paths.  We need a separate reference count for the clip list,
+ * since its existence and lifetime are not necessarily the same as
+ * those of the path.
+ */
+
+typedef struct gx_clip_rect_list_s {
+    rc_header rc;
+    gx_clip_list list;
+} gx_clip_rect_list;
+
+#define private_st_clip_rect_list()	/* in gxcpath.c */\
+  gs_private_st_ptrs_add0(st_clip_rect_list, gx_clip_rect_list,\
+    "gx_clip_rect_list", clip_rect_list_enum_ptrs, clip_rect_list_reloc_ptrs,\
+    st_clip_list, list)
+
+/* gx_clip_path is a 'subclass' of gx_path. */
+struct gx_clip_path_s {
+    gx_path path;
+    gx_clip_rect_list local_list;
+    int rule;			/* rule for insideness of path */
+    /* Anything within the inner_box is guaranteed to fall */
+    /* entirely within the clipping path. */
+    gs_fixed_rect inner_box;
+    /* Anything outside the outer_box is guaranteed to fall */
+    /* entirely outside the clipping path.  This is the same */
+    /* as the path bounding box, widened to pixel boundaries. */
+    gs_fixed_rect outer_box;
+    gx_clip_rect_list *rect_list;
+    bool path_valid;		/* path representation is valid */
+    /* The id changes whenever the clipping region changes. */
+    gs_id id;
+};
+
+extern_st(st_clip_path);
+#define public_st_clip_path()	/* in gxcpath.c */\
+  gs_public_st_composite(st_clip_path, gx_clip_path, "clip_path",\
+    clip_path_enum_ptrs, clip_path_reloc_ptrs)
+#define st_clip_path_max_ptrs (st_path_max_ptrs + 1)
+
+/* Inline accessors. */
+#define gx_cpath_is_shared(pcpath)\
+  ((pcpath)->rect_list->rc.ref_count > 1)
+#define gx_cpath_list(pcpath)\
+  (&(pcpath)->rect_list->list)
+
+/* Define the structure for enumerating a clipping list. */
+typedef enum {
+    visit_left = 1,
+    visit_right = 2
+} cpe_visit_t;
+typedef enum {
+    cpe_scan, cpe_left, cpe_right, cpe_close, cpe_done
+} cpe_state_t;
+struct gs_cpath_enum_s {
+    gs_path_enum path_enum;	/* used iff clipping path exists as a path, */
+    /* must be first for subclassing */
+    bool using_path;
+    gx_clip_rect *visit;	/* scan pointer for finding next start */
+    gx_clip_rect *rp;		/* scan pointer for current rectangle */
+    cpe_visit_t first_visit;
+    cpe_state_t state;
+    bool have_line;
+    gs_int_point line_end;
+    bool any_rectangles;
+};
+
+#define private_st_cpath_enum()		/* in gxcpath.c */\
+  gs_private_st_suffix_add2(st_cpath_enum, gs_cpath_enum, "gs_cpath_enum",\
+    cpath_enum_enum_ptrs, cpath_enum_reloc_ptrs, st_path_enum,\
+    visit, rp)
+
+#endif /* gzcpath_INCLUDED */
diff --git a/pstoraster/gzht.h b/pstoraster/gzht.h
new file mode 100644
index 000000000..49f5fc2e2
--- /dev/null
+++ b/pstoraster/gzht.h
@@ -0,0 +1,203 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxdevice.h, gxdcolor.h */
+
+#ifndef gzht_INCLUDED
+#  define gzht_INCLUDED
+
+#include "gscsel.h"
+#include "gxht.h"
+#include "gxfmap.h"
+#include "gxdht.h"
+#include "gxhttile.h"
+
+/* Sort a sampled halftone order by sample value. */
+void gx_sort_ht_order(P2(gx_ht_bit *, uint));
+
+/* (Internal) procedures for constructing halftone orders. */
+int gx_ht_alloc_order(P6(gx_ht_order * porder, uint width, uint height,
+		     uint strip_shift, uint num_levels, gs_memory_t * mem));
+int gx_ht_alloc_client_order(P6(gx_ht_order * porder, uint width, uint height,
+			uint num_levels, uint num_bits, gs_memory_t * mem));
+void gx_ht_construct_spot_order(P1(gx_ht_order *));
+void gx_ht_construct_threshold_order(P2(gx_ht_order *, const byte *));
+void gx_ht_construct_bit(P3(gx_ht_bit * bit, int width, int bit_num));
+void gx_ht_construct_bits(P1(gx_ht_order *));
+
+/* Halftone enumeration structure */
+struct gs_screen_enum_s {
+    gs_halftone halftone;	/* supplied by client */
+    gx_ht_order order;
+    gs_matrix mat;		/* for mapping device x,y to rotated cell */
+    int x, y;
+    int strip, shift;
+    gs_state *pgs;
+};
+
+#define private_st_gs_screen_enum() /* in gshtscr.c */\
+  gs_private_st_composite(st_gs_screen_enum, gs_screen_enum,\
+    "gs_screen_enum", screen_enum_enum_ptrs, screen_enum_reloc_ptrs)
+/*    order.levels, order.bits, pgs) */
+
+/* Prepare a device halftone for installation, but don't install it. */
+int gs_sethalftone_prepare(P3(gs_state *, gs_halftone *,
+			      gx_device_halftone *));
+
+/* Allocate and initialize a spot screen. */
+/* This is the first half of gs_screen_init_accurate/memory. */
+int gs_screen_order_init_memory(P5(gx_ht_order *, const gs_state *,
+				gs_screen_halftone *, bool, gs_memory_t *));
+
+#define gs_screen_order_init(porder, pgs, phsp, accurate)\
+  gs_screen_order_init_memory(porder, pgs, phsp, accurate, pgs->memory)
+
+/* Prepare to sample a spot screen. */
+/* This is the second half of gs_screen_init_accurate/memory. */
+int gs_screen_enum_init_memory(P5(gs_screen_enum *, const gx_ht_order *,
+				  gs_state *, gs_screen_halftone *,
+				  gs_memory_t *));
+
+#define gs_screen_enum_init(penum, porder, pgs, phsp)\
+  gs_screen_enum_init_memory(penum, porder, pgs, phsp, pgs->memory)
+
+/* Process an entire screen plane. */
+int gx_ht_process_screen_memory(P5(gs_screen_enum * penum, gs_state * pgs,
+				   gs_screen_halftone * phsp, bool accurate,
+				   gs_memory_t * mem));
+
+#define gx_ht_process_screen(penum, pgs, phsp, accurate)\
+  gx_ht_process_screen_memory(penum, pgs, phsp, accurate, pgs->memory)
+
+/*
+ * We don't want to remember all the values of the halftone screen,
+ * because they would take up space proportional to P^3, where P is
+ * the number of pixels in a cell.  Instead, we pick some number N of
+ * patterns to cache.  Each cache slot covers a range of (P+1)/N
+ * different gray levels: we "slide" the contents of the slot back and
+ * forth within this range by incrementally adding and dropping 1-bits.
+ * N>=0 (obviously); N<=P+1 (likewise); also, so that we can simplify things
+ * by preallocating the bookkeeping information for the cache, we define
+ * a constant max_cached_tiles which is an a priori maximum value for N.
+ *
+ * Note that the raster for each tile must be a multiple of bitmap_align_mod,
+ * to satisfy the copy_mono device routine, even though a multiple of
+ * sizeof(ht_mask_t) would otherwise be sufficient.
+ */
+
+struct gx_ht_cache_s {
+    /* The following are set when the cache is created. */
+    byte *bits;			/* the base of the bits */
+    uint bits_size;		/* the space available for bits */
+    gx_ht_tile *ht_tiles;	/* the base of the tiles */
+    uint num_tiles;		/* the number of tiles allocated */
+    /* The following are reset each time the cache is initialized */
+    /* for a new screen. */
+    gx_ht_order order;		/* the cached order vector */
+    int num_cached;		/* actual # of cached tiles */
+    int levels_per_tile;	/* # of levels per cached tile */
+    gx_bitmap_id base_id;	/* the base id, to which */
+    /* we add the halftone level */
+};
+
+/* We don't mark from the tiles pointer, and we relocate the tiles en masse. */
+#define private_st_ht_tiles()	/* in gxht.c */\
+  gs_private_st_composite(st_ht_tiles, gx_ht_tile, "ht tiles",\
+    ht_tiles_enum_ptrs, ht_tiles_reloc_ptrs)
+#define private_st_ht_cache()	/* in gxht.c */\
+  gs_private_st_ptrs_add2(st_ht_cache, gx_ht_cache, "ht cache",\
+    ht_cache_enum_ptrs, ht_cache_reloc_ptrs,\
+    st_ht_order, order, bits, ht_tiles)
+
+/* Compute a fractional color for dithering, the correctly rounded */
+/* quotient f * max_gx_color_value / maxv. */
+#define frac_color_(f, maxv)\
+  (gx_color_value)(((f) * (0xffffL * 2) + maxv) / (maxv * 2))
+extern const gx_color_value *const fc_color_quo[8];
+
+#define fractional_color(f, maxv)\
+  ((maxv) <= 7 ? fc_color_quo[maxv][f] : frac_color_(f, maxv))
+
+/* ------ Halftone cache procedures ------ */
+
+/* Allocate/free a halftone cache. */
+uint gx_ht_cache_default_tiles(P0());
+uint gx_ht_cache_default_bits(P0());
+gx_ht_cache *gx_ht_alloc_cache(P3(gs_memory_t *, uint, uint));
+void gx_ht_free_cache(P2(gs_memory_t *, gx_ht_cache *));
+
+/* Clear a halftone cache. */
+#define gx_ht_clear_cache(pcache)\
+  ((pcache)->order.levels = 0, (pcache)->order.bits = 0,\
+   (pcache)->ht_tiles[0].tiles.data = 0)
+
+/* Initialize a halftone cache with a given order. */
+void gx_ht_init_cache(P2(gx_ht_cache *, const gx_ht_order *));
+
+/* Make the cache order current, and return whether */
+/* there is room for all possible tiles in the cache. */
+bool gx_check_tile_cache(P1(const gs_imager_state *));
+
+/* Determine whether a given (width, y, height) might fit into a */
+/* single tile. If so, return the byte offset of the appropriate row */
+/* from the beginning of the tile, and set *ppx to the x phase offset */
+/* within the tile; if not, return -1. */
+int gx_check_tile_size(P6(const gs_imager_state * pis, int w, int y, int h,
+			  gs_color_select_t select, int *ppx));
+
+/* Make a given level current in a halftone cache. */
+gx_ht_tile *gx_render_ht(P2(gx_ht_cache *, int));
+
+/* ------ Device halftone management ------ */
+
+/* Release a gx_ht_order by freeing its components. */
+/* (Don't free the gx_device_halftone itself.) */
+void gx_ht_order_release(P3(gx_ht_order * porder, gs_memory_t * mem, bool free_cache));
+
+/*
+ * Install a device halftone in an imager state.
+ * Note that this does not read or update the client halftone.
+ */
+int gx_imager_dev_ht_install(P4(gs_imager_state * pis,
+				const gx_device_halftone * pdht,
+				gs_halftone_type type,
+				const gx_device * dev));
+
+/*
+ * Install a new halftone in the graphics state.  Note that we copy the top
+ * level of the gs_halftone and the gx_device_halftone, and take ownership
+ * of any substructures.
+ */
+int gx_ht_install(P3(gs_state *, const gs_halftone *,
+		     const gx_device_halftone *));
+
+/* Reestablish the effective transfer functions, taking into account */
+/* any overrides from halftone dictionaries. */
+/* Some compilers object to names longer than 31 characters.... */
+void gx_imager_set_effective_xfer(P1(gs_imager_state * pis));
+void gx_set_effective_transfer(P1(gs_state * pgs));
+
+
+#endif /* gzht_INCLUDED */
diff --git a/pstoraster/gzline.h b/pstoraster/gzline.h
new file mode 100644
index 000000000..f50d39641
--- /dev/null
+++ b/pstoraster/gzline.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1989, 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Line parameter implementation */
+
+#ifndef gzline_INCLUDED
+#  define gzline_INCLUDED
+
+#include "gxline.h"
+
+#define private_st_line_params() /* in gsstate.c */\
+  gs_private_st_ptrs1(st_line_params, gx_line_params, "line_params",\
+    line_params_enum_ptrs, line_params_reloc_ptrs, dash.pattern)
+#define st_line_params_num_ptrs 1
+
+/* Internal accessor for line parameters in graphics state */
+const gx_line_params *gs_currentlineparams(P1(const gs_imager_state *));
+
+#endif /* gzline_INCLUDED */
diff --git a/pstoraster/gzpath.h b/pstoraster/gzpath.h
new file mode 100644
index 000000000..26c6f2121
--- /dev/null
+++ b/pstoraster/gzpath.h
@@ -0,0 +1,385 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxfixed.h */
+
+#ifndef gzpath_INCLUDED
+#  define gzpath_INCLUDED
+
+#include "gxpath.h"
+#include "gsmatrix.h"
+#include "gsrefct.h"
+#include "gsstruct.h"		/* for extern_st */
+
+/*
+ * Paths are represented as a linked list of line or curve segments,
+ * similar to what pathforall reports.
+ */
+
+/*
+ * Define path segment types: segment start, line, or Bezier curve.
+ * We have a special type for the line added by closepath.
+ */
+typedef enum {
+    s_start,
+    s_line,
+    s_line_close,
+    s_curve
+} segment_type;
+
+/* Define the common structure for all segments. */
+#define segment_common\
+	segment *prev;\
+	segment *next;\
+	ushort /*segment_type*/ type;\
+	ushort /*segment_notes*/ notes;\
+	gs_fixed_point pt;		/* initial point for starts, */\
+				/* final point for others */
+
+/* Forward declarations for structure types */
+#ifndef segment_DEFINED
+#  define segment_DEFINED
+typedef struct segment_s segment;
+
+#endif
+typedef struct subpath_s subpath;
+
+/*
+ * Define a generic segment.  This is never instantiated,
+ * but we define a descriptor anyway for the benefit of subclasses.
+ */
+struct segment_s {
+    segment_common
+};
+
+#define private_st_segment()	/* in gxpath.c */\
+  gs_private_st_ptrs2(st_segment, struct segment_s, "segment",\
+    segment_enum_ptrs, segment_reloc_ptrs, prev, next)
+
+/* Line segments have no special data. */
+typedef struct {
+    segment_common
+} line_segment;
+
+#define private_st_line()	/* in gxpath.c */\
+  gs_private_st_suffix_add0(st_line, line_segment, "line",\
+    line_enum_ptrs, line_reloc_ptrs, st_segment)
+
+/* Line_close segments are for the lines appended by closepath. */
+/* They point back to the subpath being closed. */
+typedef struct {
+    segment_common
+    subpath * sub;
+} line_close_segment;
+
+#define private_st_line_close()	/* in gxpath.c */\
+  gs_private_st_suffix_add1(st_line_close, line_close_segment, "close",\
+    close_enum_ptrs, close_reloc_ptrs, st_segment, sub)
+
+/*
+ * We use two different representations for curve segments: one defined by
+ * two endpoints (p0, p3) and two control points (p1, p2), and one defined
+ * by two sets of parametric cubic coefficients (ax ... dy).  Here is how
+ * they are related (v = x or y).  We spell out some multiplies by 3 for
+ * the benefit of compilers too simple to optimize this.
+ */
+#define curve_points_to_coefficients(v0, v1, v2, v3, a, b, c, t01, t12)\
+  (/*d = (v0),*/\
+   t01 = (v1) - (v0), c = (t01 << 1) + t01,\
+   t12 = (v2) - (v1), b = (t12 << 1) + t12 - c,\
+   a = (v3) - b - c - (v0))
+/*
+ * or conversely
+ */
+#define curve_coefficients_to_points(a, b, c, d, v1, v2, v3)\
+  (/*v0 = (d),*/\
+   v1 = (d) + ((c) / 3),\
+   v2 = v1 + (((b) + (c)) / 3),\
+   v3 = (a) + (b) + (c) + (d))
+
+/* Curve segments store the control points. */
+typedef struct {
+    segment_common
+    gs_fixed_point p1, p2;
+} curve_segment;
+
+#define private_st_curve()	/* in gxpath.c */\
+  gs_private_st_suffix_add0_local(st_curve, curve_segment, "curve",\
+    segment_enum_ptrs, segment_reloc_ptrs, st_segment)
+
+/*
+ * Define a start segment.  This serves as the head of a subpath.
+ * The closer is only used temporarily when filling,
+ * to close an open subpath.
+ */
+struct subpath_s {
+    segment_common
+    segment * last;		/* last segment of subpath, */
+    /* points back to here if empty */
+    int curve_count;		/* # of curves */
+    line_close_segment closer;
+    char /*bool */ is_closed;	/* true if subpath is closed */
+};
+
+#define private_st_subpath()	/* in gxpath.c */\
+  gs_private_st_suffix_add1(st_subpath, subpath, "subpath",\
+    subpath_enum_ptrs, subpath_reloc_ptrs, st_segment, last)
+
+/* Test whether a subpath is a rectangle; if so, also return */
+/* the start of the next subpath. */
+gx_path_rectangular_type
+gx_subpath_is_rectangular(P3(const subpath * pstart, gs_fixed_rect * pbox,
+			     const subpath ** ppnext));
+
+#define gx_subpath_is_rectangle(pstart, pbox, ppnext)\
+  (gx_subpath_is_rectangular(pstart, pbox, ppnext) != prt_none)
+
+/* Curve manipulation */
+
+/* Return the smallest value k such that 2^k segments will approximate */
+/* the curve to within the desired flatness. */
+int gx_curve_log2_samples(P4(fixed, fixed, const curve_segment *, fixed));
+
+/*
+ * If necessary, find the values of t (never more than 2) which split the
+ * curve into monotonic parts.  Return the number of split points.
+ */
+int gx_curve_monotonic_points(P5(fixed, fixed, fixed, fixed, double[2]));
+
+/* Split a curve at an arbitrary value of t. */
+void gx_curve_split(P6(fixed, fixed, const curve_segment *, double,
+		       curve_segment *, curve_segment *));
+
+/* Flatten a partial curve by sampling (internal procedure). */
+int gx_flatten_sample(P4(gx_path *, int, curve_segment *, segment_notes));
+
+/* Initialize a cursor for rasterizing a monotonic curve. */
+typedef struct curve_cursor_s {
+    /* Following are set at initialization */
+    int k;			/* 2^k segments */
+    gs_fixed_point p0;		/* starting point */
+    const curve_segment *pc;	/* other points */
+    fixed a, b, c;		/* curve coefficients */
+    double da, db, dc;		/* scaled double versions of a, b, c */
+    bool double_set;		/* true if da/b/c set */
+    int fixed_limit;		/* can do in fixed point if t <= limit */
+    /* Following are updated dynamically. */
+    struct ccc_ {		/* one-element cache */
+	fixed ky0, ky3;		/* key (range) */
+	fixed xl, xd;		/* value */
+    } cache;
+} curve_cursor;
+void gx_curve_cursor_init(P5(curve_cursor * prc, fixed x0, fixed y0,
+			     const curve_segment * pc, int k));
+
+/* Return the value of X at a given Y value on a monotonic curve. */
+/* y must lie between prc->p0.y and prc->pt.y. */
+fixed gx_curve_x_at_y(P2(curve_cursor * prc, fixed y));
+
+/*
+ * The path state flags reflect the most recent operation on the path
+ * as follows:
+ *      Operation       position_valid  subpath_open    is_drawing
+ *      newpath         no              no              no
+ *      moveto          yes             yes             no
+ *      lineto/curveto  yes             yes             yes
+ *      closepath       yes             no              no
+ * If position_valid is true, outside_range reflects whether the most
+ * recent operation went outside of the representable coordinate range.
+ * If this is the case, the corresponding member of position (x and/or y)
+ * is min_fixed or max_fixed, and outside_position is the true position.
+ */
+/*
+ */
+typedef enum {
+    /* Individual flags.  These may be or'ed together, per above. */
+    psf_position_valid = 1,
+    psf_subpath_open = 2,
+    psf_is_drawing = 4,
+    psf_outside_range = 8,
+    /* Values stored by path building operations. */
+    psf_last_newpath = 0,
+    psf_last_moveto = psf_position_valid | psf_subpath_open,
+    psf_last_draw = psf_position_valid | psf_subpath_open | psf_is_drawing,
+    psf_last_closepath = psf_position_valid
+} gx_path_state_flags;
+
+/*
+ * Individual tests
+ */
+#define path_position_valid(ppath)\
+  (((ppath)->state_flags & psf_position_valid) != 0)
+#define path_subpath_open(ppath)\
+  (((ppath)->state_flags & psf_subpath_open) != 0)
+#define path_is_drawing(ppath)\
+  (((ppath)->state_flags & psf_is_drawing) != 0)
+#define path_outside_range(ppath)\
+  (((ppath)->state_flags & psf_outside_range) != 0)
+/*
+ * Composite tests
+ */
+#define path_last_is_moveto(ppath)\
+  (((ppath)->state_flags & ~psf_outside_range) == psf_last_moveto)
+#define path_position_in_range(ppath)\
+  (((ppath)->state_flags & (psf_position_valid + psf_outside_range)) ==\
+   psf_position_valid)
+#define path_start_outside_range(ppath)\
+  ((ppath)->state_flags != 0 &&\
+   ((ppath)->start_flags & psf_outside_range) != 0)
+/*
+ * Updating operations
+ */
+#define path_update_newpath(ppath)\
+  ((ppath)->state_flags = psf_last_newpath)
+#define path_update_moveto(ppath)\
+  ((ppath)->state_flags = (ppath)->start_flags = psf_last_moveto)
+#define path_update_draw(ppath)\
+  ((ppath)->state_flags = psf_last_draw)
+#define path_update_closepath(ppath)\
+  ((ppath)->state_flags = psf_last_closepath)
+#define path_set_outside_position(ppath, px, py)\
+  ((ppath)->outside_position.x = (px),\
+   (ppath)->outside_position.y = (py),\
+   (ppath)->state_flags |= psf_outside_range)
+
+/*
+ * In order to be able to reclaim path segments at the right time, we need
+ * to reference-count them.  To minimize disruption, we would like to do
+ * this by creating a structure (gx_path_segments) consisting of only a
+ * reference count that counts the number of paths that share the same
+ * segments.  (Logically, we should put the segments themselves --
+ * first/last_subpath, subpath/curve_count -- in this object, but that would
+ * cause too much disruption to existing code.)  However, we need to put at
+ * least first_subpath and current_subpath in this structure so that we can
+ * free the segments when the reference count becomes zero.
+ */
+typedef struct gx_path_segments_s {
+    rc_header rc;
+    struct psc_ {
+	subpath *subpath_first;
+	subpath *subpath_current;
+    } contents;
+} gx_path_segments;
+
+#define private_st_path_segments()	/* in gxpath.c */\
+  gs_private_st_ptrs2(st_path_segments, gx_path_segments, "path segments",\
+    path_segments_enum_ptrs, path_segments_reloc_ptrs,\
+    contents.subpath_first, contents.subpath_current)
+
+/* Record how a path was allocated, so freeing will do the right thing. */
+typedef enum {
+    path_allocated_on_stack,	/* on stack */
+    path_allocated_contained,	/* inside another object */
+    path_allocated_on_heap	/* on the heap */
+} gx_path_allocation_t;
+
+/* Here is the actual structure of a path. */
+struct gx_path_s {
+    /*
+     * In order to be able to have temporary paths allocated entirely
+     * on the stack, we include a segments structure within the path,
+     * used only for this purpose.  In order to avoid having the
+     * path's segments pointer point into the middle of an object,
+     * the segments structure must come first.
+     *
+     * Note that since local_segments is used only for temporary paths
+     * on the stack, and not for path structures in allocated memory,
+     * we don't declare any pointers in it for the GC.  (As it happens,
+     * there aren't any such pointers at the moment, but this could
+     * change.)
+     */
+    gx_path_segments local_segments;
+    gs_memory_t *memory;
+    gx_path_allocation_t allocation;	/* how this path was allocated */
+    gx_path_segments *segments;
+    gs_fixed_rect bbox;		/* bounding box (in device space) */
+    segment *box_last;		/* bbox incorporates segments */
+    /* up to & including this one */
+#define first_subpath segments->contents.subpath_first	/* (hack) */
+#define current_subpath segments->contents.subpath_current	/* (ditto) */
+    int subpath_count;
+    int curve_count;
+    gs_fixed_point position;	/* current position */
+    gs_point outside_position;	/* position if outside_range is set */
+    gs_point outside_start;	/* outside_position of last moveto */
+             byte /*gx_path_state_flags */ start_flags;		/* flags of moveto */
+             byte /*gx_path_state_flags */ state_flags;		/* (see above) */
+             byte /*bool */ bbox_set;	/* true if setbbox is in effect */
+};
+
+/* st_path should be private, but it's needed for the clip_path subclass. */
+extern_st(st_path);
+#define public_st_path()	/* in gxpath.c */\
+  gs_public_st_ptrs2(st_path, gx_path, "path",\
+    path_enum_ptrs, path_reloc_ptrs, segments, box_last)
+#define st_path_max_ptrs 2
+
+/* Path enumeration structure */
+struct gs_path_enum_s {
+    gs_memory_t *memory;
+    gs_matrix mat;		/* CTM for inverse-transforming points */
+    const segment *pseg;
+    const gx_path *path;	/* path being enumerated */
+    gx_path *copied_path;	/* if the path was copied, this is the */
+    /* the same as path, to be released */
+    /* when done enumerating */
+    bool moveto_done;		/* have we reported a final moveto yet? */
+    segment_notes notes;	/* notes from most recent segment */
+};
+
+/* We export st_path_enum only so that st_cpath_enum can subclass it. */
+extern_st(st_path_enum);
+#define public_st_path_enum()	/* in gxpath2.c */\
+  gs_public_st_ptrs3(st_path_enum, gs_path_enum, "gs_path_enum",\
+    path_enum_enum_ptrs, path_enum_reloc_ptrs, pseg, path, copied_path)
+
+/* Inline path accessors. */
+#define gx_path_has_curves_inline(ppath)\
+  ((ppath)->curve_count != 0)
+#define gx_path_has_curves(ppath)\
+  gx_path_has_curves_inline(ppath)
+#define gx_path_is_void_inline(ppath)\
+  ((ppath)->first_subpath == 0)
+#define gx_path_is_void(ppath)\
+  gx_path_is_void_inline(ppath)
+#define gx_path_subpath_count(ppath)\
+  ((ppath)->subpath_count)
+#define gx_path_is_shared(ppath)\
+  ((ppath)->segments->rc.ref_count > 1)
+
+/* Macros equivalent to a few heavily used procedures. */
+/* Be aware that these macros may evaluate arguments more than once. */
+#define gx_path_current_point_inline(ppath,ppt)\
+ ( !path_position_valid(ppath) ? gs_note_error(gs_error_nocurrentpoint) :\
+   ((ppt)->x = ppath->position.x, (ppt)->y = ppath->position.y, 0) )
+/* ...rel_point rather than ...relative_point is because */
+/* some compilers dislike identifiers of >31 characters. */
+#define gx_path_add_rel_point_inline(ppath,dx,dy)\
+ ( !path_position_in_range(ppath) || ppath->bbox_set ?\
+   gx_path_add_relative_point(ppath, dx, dy) :\
+   (ppath->position.x += dx, ppath->position.y += dy,\
+    path_update_moveto(ppath), 0) )
+
+#endif /* gzpath_INCLUDED */
diff --git a/pstoraster/gzstate.h b/pstoraster/gzstate.h
new file mode 100644
index 000000000..0a189911b
--- /dev/null
+++ b/pstoraster/gzstate.h
@@ -0,0 +1,137 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Private graphics state definition for Ghostscript library */
+
+#ifndef gzstate_INCLUDED
+#  define gzstate_INCLUDED
+
+#include "gscpm.h"
+#include "gsrefct.h"
+#include "gxdcolor.h"
+#include "gxistate.h"
+#include "gsstate.h"
+#include "gxstate.h"
+
+/* Opaque types referenced by the graphics state. */
+#ifndef gx_path_DEFINED
+#  define gx_path_DEFINED
+typedef struct gx_path_s gx_path;
+
+#endif
+#ifndef gx_clip_path_DEFINED
+#  define gx_clip_path_DEFINED
+typedef struct gx_clip_path_s gx_clip_path;
+
+#endif
+#ifndef gs_color_space_DEFINED
+#  define gs_color_space_DEFINED
+typedef struct gs_color_space_s gs_color_space;
+
+#endif
+#ifndef gs_client_color_DEFINED
+#  define gs_client_color_DEFINED
+typedef struct gs_client_color_s gs_client_color;
+
+#endif
+#ifndef gs_font_DEFINED
+#  define gs_font_DEFINED
+typedef struct gs_font_s gs_font;
+
+#endif
+
+/* Graphics state structure. */
+
+struct gs_state_s {
+    gs_imager_state_common;	/* imager state, must be first */
+    gs_state *saved;		/* previous state from gsave */
+
+    /* Transformation: */
+
+    gs_matrix ctm_inverse;
+    bool ctm_inverse_valid;	/* true if ctm_inverse = ctm^-1 */
+    gs_matrix ctm_default;
+    bool ctm_default_set;	/* if true, use ctm_default; */
+    /* if false, ask device */
+
+    /* Paths: */
+
+    gx_path *path;
+    gx_clip_path *clip_path;
+    gx_clip_path *view_clip;	/* (may be 0, or have rule = 0) */
+    bool clamp_coordinates;	/* if true, clamp out-of-range */
+    /* coordinates; if false, */
+    /* report a limitcheck */
+    /* Effective clip path cache */
+    gs_id effective_clip_id;	/* (key) clip path id */
+    gs_id effective_view_clip_id;	/* (key) view clip path id */
+    gx_clip_path *effective_clip_path;	/* (value) effective clip path, */
+    /* possibly = clip_path or view_clip */
+    bool effective_clip_shared;	/* true iff e.c.p. = c.p. or v.c. */
+
+    /* Color (device-independent): */
+
+    gs_color_space *color_space;
+    gs_client_color *ccolor;
+
+    /* Color caches: */
+
+    gx_device_color *dev_color;
+
+    /* Font: */
+
+    gs_font *font;
+    gs_font *root_font;
+    gs_matrix_fixed char_tm;	/* font matrix * ctm */
+#define char_tm_only(pgs) *(gs_matrix *)&(pgs)->char_tm
+    bool char_tm_valid;		/* true if char_tm is valid */
+    byte in_cachedevice;	/* 0 if not in setcachedevice, */
+    /* 1 if in setcachedevice but not */
+    /* actually caching, */
+    /* 2 if in setcachedevice and */
+    /* actually caching */
+    gs_char_path_mode in_charpath;	/* (see gscpm.h) */
+    gs_state *show_gstate;	/* gstate when show was invoked */
+    /* (so charpath can append to path) */
+
+    /* Other stuff: */
+
+    int level;			/* incremented by 1 per gsave */
+    gx_device *device;
+#undef gs_currentdevice_inline
+#define gs_currentdevice_inline(pgs) ((pgs)->device)
+
+    /* Client data: */
+
+    void *client_data;
+#define gs_state_client_data(pgs) ((pgs)->client_data)
+    gs_state_client_procs client_procs;
+};
+
+#define private_st_gs_state()	/* in gsstate.c */\
+  gs_private_st_composite(st_gs_state, gs_state, "gs_state",\
+    gs_state_enum_ptrs, gs_state_reloc_ptrs)
+
+#endif /* gzstate_INCLUDED */
diff --git a/pstoraster/ialloc.c b/pstoraster/ialloc.c
new file mode 100644
index 000000000..9caf55b61
--- /dev/null
+++ b/pstoraster/ialloc.c
@@ -0,0 +1,314 @@
+/* Copyright (C) 1993, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Memory allocator for Ghostscript interpreter */
+#include "gx.h"
+#include "memory_.h"
+#include "errors.h"
+#include "gsstruct.h"
+#include "gxarith.h"		/* for small_exact_log2 */
+#include "iref.h"		/* must precede iastate.h */
+#include "iastate.h"
+#include "ipacked.h"
+#include "iutil.h"
+#include "ivmspace.h"
+#include "store.h"
+
+/*
+ * Define global and local instances.
+ */
+gs_dual_memory_t gs_imemory;
+
+/* Initialize the allocator */
+void
+ialloc_init(gs_raw_memory_t * rmem, uint chunk_size, bool level2)
+{
+    gs_ref_memory_t *ilmem = ialloc_alloc_state(rmem, chunk_size);
+    gs_ref_memory_t *igmem =
+    (level2 ?
+     ialloc_alloc_state(rmem, chunk_size) :
+     ilmem);
+    gs_ref_memory_t *ismem = ialloc_alloc_state(rmem, chunk_size);
+    int i;
+
+    for (i = 0; i < countof(gs_imemory.spaces.indexed); i++)
+	gs_imemory.spaces.indexed[i] = 0;
+    gs_imemory.space_local = ilmem;
+    gs_imemory.space_global = igmem;
+    gs_imemory.space_system = ismem;
+    gs_imemory.reclaim = 0;
+    /* Level 1 systems have only local VM. */
+    igmem->space = avm_global;
+    ilmem->space = avm_local;	/* overrides if ilmem == igmem */
+    igmem->global = ilmem->global = igmem;
+
+    ismem->space = avm_system;
+    ialloc_set_space(&gs_imemory, avm_global);
+}
+
+/* ================ Local/global VM ================ */
+
+/* Get the space attribute of an allocator */
+uint
+imemory_space(gs_ref_memory_t * iimem)
+{
+    return iimem->space;
+}
+
+/* Select the allocation space. */
+void
+ialloc_set_space(gs_dual_memory_t * dmem, uint space)
+{
+    gs_ref_memory_t *mem = dmem->spaces.indexed[space >> r_space_shift];
+
+    dmem->current = mem;
+    dmem->current_space = mem->space;
+}
+
+/* Reset the requests. */
+void
+ialloc_reset_requested(gs_dual_memory_t * dmem)
+{
+    dmem->space_system->gc_status.requested = 0;
+    dmem->space_global->gc_status.requested = 0;
+    dmem->space_local->gc_status.requested = 0;
+}
+
+/* ================ Refs ================ */
+
+/* Register a ref root. */
+int
+gs_register_ref_root(gs_memory_t *mem, gs_gc_root_t *root,
+		     void **pp, client_name_t cname)
+{
+    return gs_register_root(mem, root, ptr_ref_type, pp, cname);
+}
+
+/*
+ * As noted in iastate.h, every run of refs has an extra ref at the end
+ * to hold relocation information for the garbage collector;
+ * since sizeof(ref) % obj_align_mod == 0, we never need to
+ * allocate any additional padding space at the end of the block.
+ */
+
+/* Allocate an array of refs. */
+int
+gs_alloc_ref_array(gs_ref_memory_t * mem, ref * parr, uint attrs,
+		   uint num_refs, client_name_t cname)
+{
+    ref *obj;
+
+    /* If we're allocating a run of refs already, */
+    /* and we aren't about to overflow the maximum run length, use it. */
+    if (mem->cc.rtop == mem->cc.cbot &&
+	num_refs < (mem->cc.ctop - mem->cc.cbot) / sizeof(ref) &&
+	mem->cc.rtop - (byte *) mem->cc.rcur + num_refs * sizeof(ref) <
+	max_size_st_refs
+	) {
+	ref *end;
+
+	obj = (ref *) mem->cc.rtop - 1;		/* back up over last ref */
+	if_debug4('A', "[a%d:+$ ]%s(%u) = 0x%lx\n", mem->space,
+		  client_name_string(cname), num_refs, (ulong) obj);
+	mem->cc.rcur[-1].o_size += num_refs * sizeof(ref);
+	end = (ref *) (mem->cc.rtop = mem->cc.cbot +=
+		       num_refs * sizeof(ref));
+	make_mark(end - 1);
+    } else {
+	/*
+	 * Allocate a new run.  We have to distinguish 3 cases:
+	 *      - Same chunk: pcc unchanged, end == cc.cbot.
+	 *      - Large chunk: pcc unchanged, end != cc.cbot.
+	 *      - New chunk: pcc changed.
+	 */
+	chunk_t *pcc = mem->pcc;
+	ref *end;
+
+	obj = gs_alloc_struct_array((gs_memory_t *) mem, num_refs + 1,
+				    ref, &st_refs, cname);
+	if (obj == 0)
+	    return_error(e_VMerror);
+	/* Set the terminating ref now. */
+	end = (ref *) obj + num_refs;
+	make_mark(end);
+	/* Set has_refs in the chunk. */
+	if (mem->pcc != pcc || mem->cc.cbot == (byte *) (end + 1)) {
+	    /* Ordinary chunk. */
+	    mem->cc.rcur = (obj_header_t *) obj;
+	    mem->cc.rtop = (byte *) (end + 1);
+	    mem->cc.has_refs = true;
+	} else {
+	    /* Large chunk. */
+	    /* This happens only for very large arrays, */
+	    /* so it doesn't need to be cheap. */
+	    chunk_locator_t cl;
+
+	    cl.memory = mem;
+	    cl.cp = mem->clast;
+	    chunk_locate_ptr(obj, &cl);
+	    cl.cp->has_refs = true;
+	}
+    }
+    make_array(parr, attrs | mem->space, num_refs, obj);
+    return 0;
+}
+
+/* Resize an array of refs.  Currently this is only implemented */
+/* for shrinking, not for growing. */
+int
+gs_resize_ref_array(gs_ref_memory_t * mem, ref * parr,
+		    uint new_num_refs, client_name_t cname)
+{
+    uint old_num_refs = r_size(parr);
+    uint diff;
+    ref *obj = parr->value.refs;
+
+    if (new_num_refs > old_num_refs || !r_has_type(parr, t_array))
+	return_error(e_Fatal);
+    diff = old_num_refs - new_num_refs;
+    /* Check for LIFO.  See gs_free_ref_array for more details. */
+    if (mem->cc.rtop == mem->cc.cbot &&
+	(byte *) (obj + (old_num_refs + 1)) == mem->cc.rtop
+	) {
+	/* Shorten the refs object. */
+	ref *end = (ref *) (mem->cc.cbot = mem->cc.rtop -=
+			    diff * sizeof(ref));
+
+	if_debug4('A', "[a%d:<$ ]%s(%u) 0x%lx\n", mem->space,
+		  client_name_string(cname), diff, (ulong) obj);
+	mem->cc.rcur[-1].o_size -= diff * sizeof(ref);
+	make_mark(end - 1);
+    } else {
+	/* Punt. */
+	if_debug4('A', "[a%d:<$#]%s(%u) 0x%lx\n", mem->space,
+		  client_name_string(cname), diff, (ulong) obj);
+	mem->lost.refs += diff * sizeof(ref);
+    }
+    r_set_size(parr, new_num_refs);
+    return 0;
+}
+
+/* Deallocate an array of refs.  Only do this if LIFO, or if */
+/* the array occupies an entire chunk by itself. */
+void
+gs_free_ref_array(gs_ref_memory_t * mem, ref * parr, client_name_t cname)
+{
+    uint num_refs = r_size(parr);
+    ref *obj = parr->value.refs;
+
+    /*
+     * Compute the storage size of the array, and check for LIFO
+     * freeing or a separate chunk.  Note that the array might be packed;
+     * for the moment, if it's anything but a t_array, punt.
+     * The +1s are for the extra ref for the GC.
+     */
+    if (!r_has_type(parr, t_array))
+	DO_NOTHING;		/* don't look for special cases */
+    else if (mem->cc.rtop == mem->cc.cbot &&
+	     (byte *) (obj + (num_refs + 1)) == mem->cc.rtop
+	) {
+	if ((obj_header_t *) obj == mem->cc.rcur) {
+	    /* Deallocate the entire refs object. */
+	    gs_free_object((gs_memory_t *) mem, obj, cname);
+	    mem->cc.rcur = 0;
+	    mem->cc.rtop = 0;
+	} else {
+	    /* Deallocate it at the end of the refs object. */
+	    if_debug4('A', "[a%d:-$ ]%s(%u) 0x%lx\n",
+		      mem->space, client_name_string(cname),
+		      num_refs, (ulong) obj);
+	    mem->cc.rcur[-1].o_size -= num_refs * sizeof(ref);
+	    mem->cc.rtop = mem->cc.cbot = (byte *) (obj + 1);
+	    make_mark(obj);
+	}
+	return;
+    } else if (num_refs >= (mem->large_size / arch_sizeof_ref - 1)) {
+	/* See if this array has a chunk all to itself. */
+	/* We only make this check when freeing very large objects, */
+	/* so it doesn't need to be cheap. */
+	chunk_locator_t cl;
+
+	cl.memory = mem;
+	cl.cp = mem->clast;
+	if (chunk_locate_ptr(obj, &cl) &&
+	    obj == (ref *) ((obj_header_t *) (cl.cp->cbase) + 1) &&
+	    (byte *) (obj + (num_refs + 1)) == cl.cp->cend
+	    ) {
+	    /* Free the chunk. */
+	    if_debug4('a', "[a%d:-$L]%s(%u) 0x%lx\n",
+		      mem->space, client_name_string(cname),
+		      num_refs, (ulong) obj);
+	    alloc_free_chunk(cl.cp, mem);
+	    return;
+	}
+    }
+    /* Punt, but fill the array with nulls so that there won't be */
+    /* dangling references to confuse the garbage collector. */
+    if_debug4('A', "[a%d:-$#]%s(%u) 0x%lx\n", mem->space,
+	      client_name_string(cname), num_refs, (ulong) obj);
+    {
+	uint size;
+
+	switch (r_type(parr)) {
+	    case t_shortarray:
+		size = num_refs * sizeof(ref_packed);
+		break;
+	    case t_mixedarray:{
+		    /* We have to parse the array to compute the storage size. */
+		    uint i = 0;
+		    const ref_packed *p = parr->value.packed;
+
+		    for (; i < num_refs; ++i)
+			p = packed_next(p);
+		    size = (const byte *)p - (const byte *)parr->value.packed;
+		    break;
+		}
+	    case t_array:
+		size = num_refs * sizeof(ref);
+		break;
+	    default:
+		lprintf3("Unknown type 0x%x in free_ref_array(%u,0x%lx)!",
+			 r_type(parr), num_refs, (ulong) obj);
+		return;
+	}
+	/* If there are any leftover packed elements, we don't */
+	/* worry about them, since they can't be dangling references. */
+	refset_null(obj, size / sizeof(ref));
+	mem->lost.refs += size;
+    }
+}
+
+/* Allocate a string ref. */
+int
+gs_alloc_string_ref(gs_ref_memory_t * mem, ref * psref,
+		    uint attrs, uint nbytes, client_name_t cname)
+{
+    byte *str = gs_alloc_string((gs_memory_t *) mem, nbytes, cname);
+
+    if (str == 0)
+	return_error(e_VMerror);
+    make_string(psref, attrs | mem->space, nbytes, str);
+    return 0;
+}
diff --git a/pstoraster/ialloc.h b/pstoraster/ialloc.h
new file mode 100644
index 000000000..b24b574dd
--- /dev/null
+++ b/pstoraster/ialloc.h
@@ -0,0 +1,125 @@
+/* Copyright (C) 1989, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to Ghostscript interpreter memory allocator */
+
+#ifndef ialloc_INCLUDED
+#  define ialloc_INCLUDED
+
+#include "imemory.h"
+
+/*
+ * Define the interpreter memory manager instance.
+ */
+extern gs_dual_memory_t gs_imemory;
+
+#define idmemory (&gs_imemory)
+#define iimemory (gs_imemory.current)
+#define imemory ((gs_memory_t *)iimemory)
+#define iimemory_local (gs_imemory.space_local)
+#define imemory_local ((gs_memory_t *)iimemory_local)
+#define iimemory_global (gs_imemory.space_global)
+#define imemory_global ((gs_memory_t *)iimemory_global)
+#define iimemory_system (gs_imemory.space_system)
+#define imemory_system ((gs_memory_t *)iimemory_system)
+
+/*
+ * Aliases for invoking the standard allocator interface.
+ */
+#define ialloc_bytes(nbytes, cname)\
+  gs_alloc_bytes(imemory, nbytes, cname)
+#define ialloc_struct(typ, pstype, cname)\
+  gs_alloc_struct(imemory, typ, pstype, cname)
+#define ialloc_byte_array(nelts, esize, cname)\
+  gs_alloc_byte_array(imemory, nelts, esize, cname)
+#define ialloc_struct_array(nelts, typ, pstype, cname)\
+  gs_alloc_struct_array(imemory, nelts, typ, pstype, cname)
+#define ifree_object(data, cname)\
+  gs_free_object(imemory, data, cname)
+#define ialloc_string(nbytes, cname)\
+  gs_alloc_string(imemory, nbytes, cname)
+#define ifree_string(data, nbytes, cname)\
+  gs_free_string(imemory, data, nbytes, cname)
+
+/* Initialize the interpreter's allocator. */
+void ialloc_init(P3(gs_raw_memory_t *, uint, bool));
+
+/* Resize a string. */
+#define iresize_string(data, oldn, newn, cname)\
+  gs_resize_string(imemory, data, oldn, newn, cname)
+
+/* ------ Internal routines ------ */
+
+/* Reset the request values that identify the cause of a GC. */
+void ialloc_reset_requested(P1(gs_dual_memory_t *));
+
+/* Validate the contents of memory. */
+void ialloc_validate_spaces(P1(const gs_dual_memory_t *));
+
+#define ivalidate_spaces() ialloc_validate_spaces(idmemory)
+
+/*
+ * Local/global VM management.
+ */
+
+/* Get the space attribute of the current allocator. */
+#define ialloc_space(dmem) ((dmem)->current_space)
+#define icurrent_space ialloc_space(idmemory)
+extern uint imemory_space(P1(gs_ref_memory_t *));
+
+/* Select the allocation space. */
+void ialloc_set_space(P2(gs_dual_memory_t *, uint));
+
+/*
+ * Ref-related facilities.
+ */
+
+#ifdef r_type			/* i.e., we know about refs */
+
+/* Allocate and free ref arrays. */
+#define ialloc_ref_array(paref, attrs, nrefs, cname)\
+  gs_alloc_ref_array(iimemory, paref, attrs, nrefs, cname)
+#define iresize_ref_array(paref, nrefs, cname)\
+  gs_resize_ref_array(iimemory, paref, nrefs, cname)
+#define ifree_ref_array(paref, cname)\
+  gs_free_ref_array(iimemory, paref, cname)
+
+/* Allocate a string ref. */
+#define ialloc_string_ref(psref, attrs, nbytes, cname)\
+  gs_alloc_string_ref(iimemory, psref, attrs, nbytes, cname)
+
+/* Make a ref for a newly allocated structure. */
+#define make_istruct(pref,attrs,ptr)\
+  make_struct(pref, (attrs) | icurrent_space, ptr)
+#define make_istruct_new(pref,attrs,ptr)\
+  make_struct_new(pref, (attrs) | icurrent_space, ptr)
+#define make_iastruct(pref,attrs,ptr)\
+  make_astruct(pref, (attrs) | icurrent_space, ptr)
+#define make_iastruct_new(pref,attrs,ptr)\
+  make_astruct_new(pref, (attrs) | icurrent_space, ptr)
+
+#endif /* ifdef r_type */
+
+#endif /* ialloc_INCLUDED */
diff --git a/pstoraster/iastate.h b/pstoraster/iastate.h
new file mode 100644
index 000000000..4fbfe892a
--- /dev/null
+++ b/pstoraster/iastate.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 1993, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsmemory.h, gsstruct.h */
+
+#ifndef iastate_INCLUDED
+#  define iastate_INCLUDED
+
+#include "gxalloc.h"
+#include "istruct.h"
+#include "ialloc.h"
+
+#endif /* iastate_INCLUDED */
diff --git a/pstoraster/iastruct.h b/pstoraster/iastruct.h
new file mode 100644
index 000000000..11080d0fd
--- /dev/null
+++ b/pstoraster/iastruct.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1993, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter memory manager implementation structures */
+
+#ifndef iastruct_INCLUDED
+#  define iastruct_INCLUDED
+
+#include "gxobj.h"
+#include "ialloc.h"
+
+#endif /* iastruct_INCLUDED */
diff --git a/pstoraster/ibnum.c b/pstoraster/ibnum.c
new file mode 100644
index 000000000..e48c8105d
--- /dev/null
+++ b/pstoraster/ibnum.c
@@ -0,0 +1,222 @@
+/* Copyright (C) 1990, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 encoded number reading utilities for Ghostscript */
+#include "math_.h"
+#include "memory_.h"
+#include "ghost.h"
+#include "errors.h"
+#include "stream.h"
+#include "ibnum.h"
+#include "imemory.h"		/* for iutil.h */
+#include "iutil.h"
+
+/* Define the number of bytes for a given format of encoded number. */
+const byte enc_num_bytes[] = {
+    enc_num_bytes_values
+};
+
+/* ------ Encoded number reading ------ */
+
+/* Set up to read from an encoded number array/string. */
+/* Return <0 for error, or a number format. */
+int
+num_array_format(const ref * op)
+{
+    switch (r_type(op)) {
+	case t_string:
+	    {
+		/* Check that this is a legitimate encoded number string. */
+		const byte *bp = op->value.bytes;
+		int format;
+
+		if (r_size(op) < 4 || bp[0] != bt_num_array_value)
+		    return_error(e_rangecheck);
+		format = bp[1];
+		if (!num_is_valid(format) ||
+		    sdecodeshort(bp + 2, format) !=
+		    (r_size(op) - 4) / encoded_number_bytes(format)
+		    )
+		    return_error(e_rangecheck);
+		return format;
+	    }
+	case t_array:
+	case t_mixedarray:
+	case t_shortarray:
+	    return num_array;
+	default:
+	    return_error(e_typecheck);
+    }
+}
+
+/* Get the number of elements in an encoded number array/string. */
+uint
+num_array_size(const ref * op, int format)
+{
+    return (format == num_array ? r_size(op) :
+	    (r_size(op) - 4) / encoded_number_bytes(format));
+}
+
+/* Get an encoded number from an array/string according to the given format. */
+/* Put the value in np->value.{intval,realval}. */
+/* Return t_int if integer, t_real if real, t_null if end of stream, */
+/* or an error if the format is invalid. */
+int
+num_array_get(const ref * op, int format, uint index, ref * np)
+{
+    if (format == num_array) {
+	int code = array_get(op, (long)index, np);
+
+	if (code < 0)
+	    return t_null;
+	switch (r_type(np)) {
+	    case t_integer:
+		return t_integer;
+	    case t_real:
+		return t_real;
+	    default:
+		return_error(e_rangecheck);
+	}
+    } else {
+	uint nbytes = encoded_number_bytes(format);
+
+	if (index >= (r_size(op) - 4) / nbytes)
+	    return t_null;
+	return sdecode_number(op->value.bytes + 4 + index * nbytes,
+			      format, np);
+    }
+}
+
+/* Internal routine to decode a number in a given format. */
+/* Same returns as sget_encoded_number. */
+static const double binary_scale[32] = {
+#define EXPN2(n) (0.5 / (1L << (n-1)))
+    1.0, EXPN2(1), EXPN2(2), EXPN2(3),
+    EXPN2(4), EXPN2(5), EXPN2(6), EXPN2(7),
+    EXPN2(8), EXPN2(9), EXPN2(10), EXPN2(11),
+    EXPN2(12), EXPN2(13), EXPN2(14), EXPN2(15),
+    EXPN2(16), EXPN2(17), EXPN2(18), EXPN2(19),
+    EXPN2(20), EXPN2(21), EXPN2(22), EXPN2(23),
+    EXPN2(24), EXPN2(25), EXPN2(26), EXPN2(27),
+    EXPN2(28), EXPN2(29), EXPN2(30), EXPN2(31)
+#undef EXPN2
+};
+int
+sdecode_number(const byte * str, int format, ref * np)
+{
+    switch (format & 0x170) {
+	case num_int32:
+	case num_int32 + 16:
+	    if ((format & 31) == 0) {
+		np->value.intval = sdecodelong(str, format);
+		return t_integer;
+	    } else {
+		np->value.realval =
+		    (double)sdecodelong(str, format) *
+		    binary_scale[format & 31];
+		return t_real;
+	    }
+	case num_int16:
+	    if ((format & 15) == 0) {
+		np->value.intval = sdecodeshort(str, format);
+		return t_integer;
+	    } else {
+		np->value.realval =
+		    sdecodeshort(str, format) *
+		    binary_scale[format & 15];
+		return t_real;
+	    }
+	case num_float:
+	    np->value.realval = sdecodefloat(str, format);
+	    return t_real;
+	default:
+	    return_error(e_syntaxerror);	/* invalid format?? */
+    }
+}
+
+/* ------ Decode number ------ */
+
+/* Decode encoded numbers from a string according to format. */
+
+/* Decode a (16-bit, signed or unsigned) short. */
+uint
+sdecodeushort(const byte * p, int format)
+{
+    int a = p[0], b = p[1];
+
+    return (num_is_lsb(format) ? (b << 8) + a : (a << 8) + b);
+}
+int
+sdecodeshort(const byte * p, int format)
+{
+    int v = (int)sdecodeushort(p, format);
+
+    return (v & 0x7fff) - (v & 0x8000);
+}
+
+/* Decode a (32-bit, signed) long. */
+long
+sdecodelong(const byte * p, int format)
+{
+    int a = p[0], b = p[1], c = p[2], d = p[3];
+    long v = (num_is_lsb(format) ?
+	      ((long)d << 24) + ((long)c << 16) + (b << 8) + a :
+	      ((long)a << 24) + ((long)b << 16) + (c << 8) + d);
+
+    /*
+     * The following is only needed if sizeof(long) > 4, but it does
+     * no harm if sizeof(long) == 4.
+     */
+    return (v ^ 0x80000000L) - 0x80000000L;
+}
+
+/* Decode a float.  We assume that native floats occupy 32 bits. */
+float
+sdecodefloat(const byte * p, int format)
+{
+    bits32 lnum = (bits32) sdecodelong(p, format);
+    float fnum;
+
+#if !arch_floats_are_IEEE
+    if (format != num_float_native) {
+	/* We know IEEE floats take 32 bits. */
+	/* Convert IEEE float to native float. */
+	int sign_expt = lnum >> 23;
+	int expt = sign_expt & 0xff;
+	long mant = lnum & 0x7fffff;
+
+	if (expt == 0 && mant == 0)
+	    fnum = 0;
+	else {
+	    mant += 0x800000;
+	    fnum = (float)ldexp((float)mant, expt - 127 - 24);
+	}
+	if (sign_expt & 0x100)
+	    fnum = -fnum;
+    } else
+#endif
+	fnum = *(float *)&lnum;
+    return fnum;
+}
diff --git a/pstoraster/ibnum.h b/pstoraster/ibnum.h
new file mode 100644
index 000000000..7d91fadfb
--- /dev/null
+++ b/pstoraster/ibnum.h
@@ -0,0 +1,71 @@
+/* Copyright (C) 1990, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires stream.h */
+
+#ifndef ibnum_INCLUDED
+#  define ibnum_INCLUDED
+
+/* Define the byte that begins an encoded number string. */
+/* (This is the same as the value of bt_num_array in btoken.h.) */
+#define bt_num_array_value 149
+
+/* Homogenous number array formats. */
+/* The default for numbers is big-endian. */
+#define num_int32 0		/* [0..31] */
+#define num_int16 32		/* [32..47] */
+#define num_float 48
+#define num_float_IEEE num_float
+#define num_float_native (num_float + 1)
+#define num_msb 0
+#define num_lsb 128
+#define num_is_lsb(format) ((format) >= num_lsb)
+#define num_is_valid(format) (((format) & 127) <= 49)
+/* Special "format" for reading from an array. */
+/* num_msb/lsb is not used in this case. */
+#define num_array 256
+/* Define the number of bytes for a given format of encoded number. */
+extern const byte enc_num_bytes[];	/* in ibnum.c */
+
+#define enc_num_bytes_values\
+  4, 4, 2, 4, 0, 0, 0, 0,\
+  4, 4, 2, 4, 0, 0, 0, 0,\
+  sizeof(ref)
+#define encoded_number_bytes(format)\
+  (enc_num_bytes[(format) >> 4])
+
+/* Read from an array or encoded number string. */
+int num_array_format(P1(const ref *));	/* returns format or error */
+uint num_array_size(P2(const ref *, int));
+int num_array_get(P4(const ref *, int, uint, ref *));
+
+/* Decode a number from a string with appropriate byte swapping. */
+int sdecode_number(P3(const byte *, int, ref *));
+int sdecodeshort(P2(const byte *, int));
+uint sdecodeushort(P2(const byte *, int));
+long sdecodelong(P2(const byte *, int));
+float sdecodefloat(P2(const byte *, int));
+
+#endif /* ibnum_INCLUDED */
diff --git a/pstoraster/iccinit0.c b/pstoraster/iccinit0.c
new file mode 100644
index 000000000..c7b60c7a3
--- /dev/null
+++ b/pstoraster/iccinit0.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Initialization string for non-compiled initialization */
+#include "stdpre.h"
+
+/* gsmain.c recognizes an empty init string specially. */
+const byte gs_init_string[] = { 0 };
+const uint gs_init_string_sizeof = 0;
diff --git a/pstoraster/ichar.h b/pstoraster/ichar.h
new file mode 100644
index 000000000..fcc34e879
--- /dev/null
+++ b/pstoraster/ichar.h
@@ -0,0 +1,72 @@
+/* Copyright (C) 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gxchar.h */
+
+#ifndef ichar_INCLUDED
+#  define ichar_INCLUDED
+
+/*
+ * All the character rendering operators use the execution stack
+ * for loop control -- see estack.h for details.
+ * The information pushed by these operators is as follows:
+ *      the enumerator (t_struct, a gs_show_enum);
+ *      a slot for the procedure for kshow or cshow (probably t_array) or
+ *              the string or array for [x][y]show (t_string or t_array);
+ *      a slot for the string/array index for [x][y]show (t_integer);
+ *      a slot for the saved o-stack depth for cshow or stringwidth,
+ *              and for error recovery (t_integer);
+ *      a slot for the saved d-stack depth ditto (t_integer);
+ *      a slot for the saved gstate level ditto (t_integer);
+ *      the procedure to be called at the end of the enumeration
+ *              (t_operator, but called directly, not by the interpreter);
+ *      the usual e-stack mark (t_null).
+ */
+#define snumpush 8
+#define esenum(ep) r_ptr(ep, gs_show_enum)
+#define senum esenum(esp)
+#define esslot(ep) ((ep)[-1])
+#define sslot esslot(esp)
+#define essindex(ep) ((ep)[-2])
+#define ssindex essindex(esp)
+#define esodepth(ep) ((ep)[-3])
+#define sodepth esodepth(esp)
+#define esddepth(ep) ((ep)[-4])
+#define sddepth esddepth(esp)
+#define esgslevel(ep) ((ep)[-5])
+#define sgslevel esgslevel(esp)
+#define eseproc(ep) ((ep)[-6])
+#define seproc eseproc(esp)
+
+/* Procedures exported by zchar.c for zchar1.c, zchar2.c, and/or zcharcid.c. */
+gs_show_enum *op_show_find(P0());
+int op_show_setup(P2(os_ptr, gs_show_enum **));
+int op_show_enum_setup(P2(os_ptr, gs_show_enum **));
+void op_show_finish_setup(P3(gs_show_enum *, int, op_proc_p));
+int op_show_continue(P1(os_ptr));
+int op_show_continue_dispatch(P2(os_ptr, int));
+int op_show_free(P1(int));
+
+#endif /* ichar_INCLUDED */
diff --git a/pstoraster/icharout.h b/pstoraster/icharout.h
new file mode 100644
index 000000000..2e8993466
--- /dev/null
+++ b/pstoraster/icharout.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to zcharout.c */
+
+#ifndef icharout_INCLUDED
+#  define icharout_INCLUDED
+
+/* Execute an outline defined by a PostScript procedure. */
+int zchar_exec_char_proc(P1(os_ptr));
+
+/*
+ * Get the metrics for a character from the Metrics dictionary of a base
+ * font.  If present, store the l.s.b. in psbw[0,1] and the width in
+ * psbw[2,3].
+ */
+typedef enum {
+    metricsNone = 0,
+    metricsWidthOnly = 1,
+    metricsSideBearingAndWidth = 2
+} metrics_present;
+int /*metrics_present*/
+  zchar_get_metrics(P3(const gs_font_base * pbfont, const ref * pcnref,
+		       double psbw[4]));
+
+/*
+ * Consult Metrics2 and CDevProc, and call setcachedevice[2].  Return
+ * o_push_estack if we had to call a CDevProc, or if we are skipping the
+ * rendering process (only getting the metrics).
+ */
+int zchar_set_cache(P8(os_ptr op, const gs_font_base * pbfont,
+		       const ref * pcnref, const double psb[2],
+		       const double pwidth[2], const gs_rect * pbbox,
+		       int (*cont_fill) (P1(os_ptr)),
+		       int (*cont_stroke) (P1(os_ptr))));
+
+#endif /* icharout_INCLUDED */
diff --git a/pstoraster/icie.h b/pstoraster/icie.h
new file mode 100644
index 000000000..69ec0fa93
--- /dev/null
+++ b/pstoraster/icie.h
@@ -0,0 +1,96 @@
+/* Copyright (C) 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal definitions for interpreter CIE color handling */
+
+#ifndef icie_INCLUDED
+#  define icie_INCLUDED
+
+/*
+ * All of the routines below are exported by zcie.c for zcrd.c,
+ * except for cie_cache_joint which is exported by zcrd.c for zcie.c.
+ */
+
+/* ------ Parameter acquisition ------ */
+
+/* Get a range array parameter from a dictionary. */
+/* We know that count <= 4. */
+int dict_ranges_param(P4(const ref * pdref, const char *kstr, int count,
+			 gs_range * prange));
+
+/* Get 3 ranges from a dictionary. */
+#define dict_range3_param(pdref, kstr, prange3)\
+  dict_ranges_param(pdref, kstr, 3, (prange3)->ranges)
+
+/* Get a 3x3 matrix parameter from a dictionary. */
+#define dict_matrix3_param(op, kstr, pmat)\
+  dict_float_array_param(op, kstr, 9, (float *)pmat,\
+			 (const float *)&Matrix3_default)
+#define matrix3_ok 9
+
+/* Get an array of procedures from a dictionary. */
+/* We know count <= countof(empty_procs). */
+int dict_proc_array_param(P4(const ref * pdict, const char *kstr,
+			     uint count, ref * pparray));
+
+/* Get 3 procedures from a dictionary. */
+#define dict_proc3_param(op, kstr, pparray)\
+  dict_proc_array_param(op, kstr, 3, pparray)
+
+/* Get WhitePoint and BlackPoint values. */
+int cie_points_param(P2(const ref * pdref, gs_cie_wb * pwb));
+
+/* Process a 3- or 4-dimensional lookup table from a dictionary. */
+/* The caller has set pclt->n and pclt->m. */
+/* ptref is known to be a readable array of size at least n+1. */
+int cie_table_param(P3(const ref * ptable, gx_color_lookup_table * pclt,
+		       gs_memory_t * mem));
+
+/* ------ Internal routines ------ */
+
+int cie_cache_push_finish(P3(int (*finish_proc) (P1(os_ptr)),
+			     gs_ref_memory_t * imem, void *data));
+int cie_prepare_cache(P6(const gs_range * domain, const ref * proc,
+			 cie_cache_floats * pcache, void *container,
+			 gs_ref_memory_t * imem, client_name_t cname));
+int cie_prepare_caches_4(P9(const gs_range * domains, const ref * procs,
+			    cie_cache_floats * pc0,
+			    cie_cache_floats * pc1,
+			    cie_cache_floats * pc2,
+			    cie_cache_floats * pc3 /* may be 0 */,
+			    void *container,
+			    gs_ref_memory_t * imem, client_name_t cname));
+#define cie_prepare_cache3(d3,p3,c3,pcie,imem,cname)\
+  cie_prepare_caches_4((d3)->ranges, p3,\
+		       &(c3)->floats, &(c3)[1].floats, &(c3)[2].floats,\
+		       NULL, pcie, imem, cname)
+#define cie_prepare_cache4(d4,p4,c4,pcie,imem,cname)\
+  cie_prepare_caches_4((d4)->ranges, p4,\
+		       &(c4)->floats, &(c4)[1].floats, &(c4)[2].floats,\
+		       &(c4)[3].floats, pcie, imem, cname)
+
+int cie_cache_joint(P2(const ref_cie_render_procs *, gs_state *));
+
+#endif /* icie_INCLUDED */
diff --git a/pstoraster/icolor.h b/pstoraster/icolor.h
new file mode 100644
index 000000000..ea12e0b9b
--- /dev/null
+++ b/pstoraster/icolor.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1994, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Declarations for transfer function & similar cache remapping */
+
+#ifndef icolor_INCLUDED
+#  define icolor_INCLUDED
+
+/* Define the number of stack slots needed for zcolor_remap_one. */
+/* The client is responsible for doing check_e/ostack or the equivalent */
+/* before calling zcolor_remap_one. */
+extern const int zcolor_remap_one_ostack;
+extern const int zcolor_remap_one_estack;
+
+/* Schedule the sampling and reloading of a cache. */
+int zcolor_remap_one(P5(const ref *, os_ptr, gx_transfer_map *,
+			const gs_state *, int (*)(P1(os_ptr))));
+
+/* Reload a cache with entries in [0..1] after sampling. */
+int zcolor_remap_one_finish(P1(os_ptr));
+
+/* Reload a cache with entries in [-1..1] after sampling. */
+int zcolor_remap_one_signed_finish(P1(os_ptr));
+
+/* Recompute the effective transfer functions and invalidate the current */
+/* color after cache reloading. */
+int zcolor_reset_transfer(P1(os_ptr));
+
+/* Invalidate the current color after cache reloading. */
+int zcolor_remap_color(P1(os_ptr));
+
+#endif /* icolor_INCLUDED */
diff --git a/pstoraster/iconfig.c b/pstoraster/iconfig.c
new file mode 100644
index 000000000..ca60afb2b
--- /dev/null
+++ b/pstoraster/iconfig.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Configuration-dependent tables and initialization for interpreter */
+#include "stdio_.h"		/* stdio for stream.h */
+#include "gstypes.h"
+#include "gsmemory.h"		/* for iminst.h */
+#include "gconf.h"
+#include "iref.h"
+#include "ivmspace.h"
+#include "opdef.h"
+#include "iminst.h"
+
+/* Define the default values for an interpreter instance. */
+const gs_main_instance gs_main_instance_init_values =
+{gs_main_instance_default_init_values};
+
+/* Set up the .ps file name string array. */
+/* We fill in the lengths at initialization time. */
+#define ref_(t) struct { struct tas_s tas; t value; }
+#define string_(s,len)\
+ { { (t_string<<r_type_shift) + a_readonly + avm_foreign, len }, s },
+#define psfile_(fns,len) string_(fns,len)
+const ref_(const char *) gs_init_file_array[] = {
+#include "gconf.h"
+    string_(0, 0)
+};
+#undef psfile_
+
+/* Set up the emulator name string array similarly. */
+#define emulator_(ems,len) string_(ems,len)
+const ref_(const char *) gs_emulator_name_array[] = {
+#include "gconf.h"
+    string_(0, 0)
+};
+#undef emulator_
+
+/* Initialize the operators. */
+	/* Declare the externs. */
+#define oper_(xx_op_defs) extern const op_def xx_op_defs[];
+#include "gconf.h"
+oper_(interp_op_defs)		/* Interpreter operators */
+#undef oper_
+ 
+const op_def *const op_defs_all[] = {
+     /* Create the table. */
+#define oper_(defs) defs,
+#include "gconf.h"
+    oper_(interp_op_defs)	/* Interpreter operators */
+#undef oper_ 
+	 0
+};
diff --git a/pstoraster/icontext.c b/pstoraster/icontext.c
new file mode 100644
index 000000000..84f00f2ec
--- /dev/null
+++ b/pstoraster/icontext.c
@@ -0,0 +1,275 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Context state operations */
+#include "ghost.h"
+#include "gsstruct.h"		/* for gxalloc.h */
+#include "gxalloc.h"
+#include "errors.h"
+#include "stream.h"		/* for files.h */
+#include "files.h"
+#include "idict.h"
+#include "igstate.h"
+#include "icontext.h"
+#include "interp.h"
+#include "isave.h"
+#include "dstack.h"
+#include "estack.h"
+#include "ostack.h"
+#include "store.h"
+
+/* Define the initial stack sizes. */
+#define DSTACK_INITIAL 20
+#define ESTACK_INITIAL 250
+#define OSTACK_INITIAL 200
+
+/* Per-context state stored in statics */
+extern ref ref_array_packing;
+extern ref ref_binary_object_format;
+extern long zrand_state;
+
+				/*extern ref ref_stdio[3]; *//* in files.h */
+
+/* Initialization procedures */
+void zrand_state_init(P1(long *));
+
+/* GC descriptors */
+extern_st(st_ref_stack);
+#define pcst ((gs_context_state_t *)vptr)
+private 
+CLEAR_MARKS_PROC(context_state_clear_marks)
+{
+    r_clear_attrs(&pcst->userparams, l_mark);
+}
+private 
+ENUM_PTRS_BEGIN(context_state_enum_ptrs) return 0;
+
+ENUM_PTR3(0, gs_context_state_t, dstack, estack, ostack);
+ENUM_PTR3(3, gs_context_state_t, pgs, stdio[0].value.pstruct,
+	  stdio[1].value.pstruct);
+case 6:
+ENUM_RETURN_REF(&pcst->userparams);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(context_state_reloc_ptrs);
+RELOC_PTR3(gs_context_state_t, dstack, estack, ostack);
+RELOC_PTR3(gs_context_state_t, pgs, stdio[0].value.pstruct,
+	   stdio[1].value.pstruct);
+RELOC_REF_VAR(pcst->userparams);
+r_clear_attrs(&pcst->userparams, l_mark);
+RELOC_PTRS_END
+#undef pcst
+public_st_context_state();
+
+/* Allocate the state of a context. */
+     int
+         context_state_alloc(gs_context_state_t ** ppcst,
+			     const gs_dual_memory_t * dmem)
+{
+    gs_ref_memory_t *mem = dmem->space_local;
+    gs_context_state_t *pcst = *ppcst;
+    int code;
+    int i;
+
+    if (pcst == 0) {
+	pcst = gs_alloc_struct((gs_memory_t *) mem, gs_context_state_t,
+			       &st_context_state, "context_state_alloc");
+	if (pcst == 0)
+	    return_error(e_VMerror);
+    }
+    code = gs_interp_alloc_stacks(mem, pcst);
+    if (code < 0)
+	goto x0;
+    pcst->pgs = int_gstate_alloc(mem);
+    if (pcst->pgs == 0) {
+	code = gs_note_error(e_VMerror);
+	goto x1;
+    }
+    pcst->memory = *dmem;
+    make_false(&pcst->array_packing);
+    make_int(&pcst->binary_object_format, 0);
+    zrand_state_init(&pcst->rand_state);
+    pcst->usertime_total = 0;
+    pcst->keep_usertime = false;
+    {				/*
+				 * Create an empty userparams dictionary of the right size.
+				 * If we can't determine the size, pick an arbitrary one.
+				 */
+	ref *puserparams;
+	uint size;
+
+	if (dict_find_string(systemdict, "userparams", &puserparams) >= 0)
+	    size = dict_length(puserparams);
+	else
+	    size = 20;
+	code = dict_alloc(pcst->memory.space_local, size, &pcst->userparams);
+	if (code < 0)
+	    goto x2;
+	/* PostScript code initializes the user parameters. */
+    }
+    /* The initial stdio values are bogus.... */
+    make_file(&pcst->stdio[0], 0, 1, invalid_file_entry);
+    make_file(&pcst->stdio[1], 0, 1, invalid_file_entry);
+    for (i = countof(pcst->memory.spaces.indexed); --i >= 0;)
+	if (dmem->spaces.indexed[i] != 0)
+	    ++(dmem->spaces.indexed[i]->num_contexts);
+    *ppcst = pcst;
+    return 0;
+  x2:gs_state_free(pcst->pgs);
+  x1:gs_interp_free_stacks(mem, pcst);
+  x0:if (*ppcst == 0)
+	gs_free_object((gs_memory_t *) mem, pcst, "context_state_alloc");
+    return code;
+}
+
+/* Load the interpreter state from a context. */
+int
+context_state_load(const gs_context_state_t * pcst)
+{
+    gs_ref_memory_t *lmem = iimemory_local;
+    uint space = r_space(systemdict);
+    int code;
+
+    d_stack = *pcst->dstack;
+    e_stack = *pcst->estack;
+    o_stack = *pcst->ostack;
+    igs = pcst->pgs;
+    gs_imemory = pcst->memory;
+    ref_array_packing = pcst->array_packing;
+    ref_binary_object_format = pcst->binary_object_format;
+    zrand_state = pcst->rand_state;
+    /*
+     * Set systemdict.userparams to the saved copy, and then
+     * set the actual user parameters.  Be careful to disable both
+     * space checking and save checking while we do this.
+     */
+    r_set_space(systemdict, avm_max);
+    alloc_set_not_in_save(idmemory);
+    code = dict_put_string(systemdict, "userparams", &pcst->userparams);
+    if (code >= 0)
+	code = set_user_params(&pcst->userparams);
+    ref_stdio[0] = pcst->stdio[0];
+    ref_stdio[1] = pcst->stdio[1];
+    if (iimemory_local != lmem) {
+	/*
+	 * Switch references in systemdict to local objects.
+	 * userdict.localdicts holds these objects.
+	 */
+	const ref *puserdict =
+	ref_stack_index(&d_stack, ref_stack_count(&d_stack) - 1 -
+			dstack_userdict_index);
+	ref *plocaldicts;
+
+	if (dict_find_string(puserdict, "localdicts", &plocaldicts) > 0 &&
+	    r_has_type(plocaldicts, t_dictionary)
+	    ) {
+	    dict_copy(plocaldicts, systemdict);
+	}
+    }
+    r_set_space(systemdict, space);
+    if (idmemory->save_level > 0)
+	alloc_set_in_save(idmemory);
+    esfile_clear_cache();
+    dict_set_top();		/* reload dict stack cache */
+    return code;
+}
+
+/* Store the interpreter state in a context. */
+int
+context_state_store(gs_context_state_t * pcst)
+{
+    ref_stack_cleanup(&d_stack);
+    ref_stack_cleanup(&e_stack);
+    ref_stack_cleanup(&o_stack);
+    *pcst->dstack = d_stack;
+    *pcst->estack = e_stack;
+    *pcst->ostack = o_stack;
+    pcst->pgs = igs;
+    pcst->memory = gs_imemory;
+    pcst->array_packing = ref_array_packing;
+    pcst->binary_object_format = ref_binary_object_format;
+    pcst->rand_state = zrand_state;
+    /*
+     * The user parameters in systemdict.userparams are kept
+     * up to date by PostScript code, but we still need to save
+     * systemdict.userparams to get the correct l_new flag.
+     */
+    {
+	ref *puserparams;
+
+	if (dict_find_string(systemdict, "userparams", &puserparams) < 0)
+	    return_error(e_Fatal);
+	pcst->userparams = *puserparams;
+    }
+    pcst->stdio[0] = ref_stdio[0];
+    pcst->stdio[1] = ref_stdio[1];
+    return 0;
+}
+
+/* Free the state of a context. */
+bool
+context_state_free(gs_context_state_t * pcst)
+{
+    gs_ref_memory_t *mem = pcst->memory.space_local;
+    int freed = 0;
+    int i;
+
+    /*
+     * If this context is the last one referencing a particular VM
+     * (local / global / system), free the entire VM space;
+     * otherwise, just free the context-related structures.
+     */
+    for (i = countof(pcst->memory.spaces.indexed); --i >= 0;) {
+	if (pcst->memory.spaces.indexed[i] != 0 &&
+	    !--(pcst->memory.spaces.indexed[i]->num_contexts)
+	    ) {
+/****** FREE THE ENTIRE SPACE ******/
+	    freed |= 1 << i;
+	}
+    }
+    /*
+     * If we freed any spaces at all, we must have freed the local
+     * VM where the context structure and its substructures were
+     * allocated.
+     */
+    if (freed)
+	return freed;
+    {
+	gs_state *pgs = pcst->pgs;
+
+	gs_grestoreall(pgs);
+	/* Patch the saved pointer so we can do the last grestore. */
+	{
+	    gs_state *saved = gs_state_saved(pgs);
+
+	    gs_state_swap_saved(saved, saved);
+	}
+	gs_grestore(pgs);
+	gs_state_swap_saved(pgs, (gs_state *) 0);
+	gs_state_free(pgs);
+    }
+/****** FREE USERPARAMS ******/
+    gs_interp_free_stacks(mem, pcst);
+    return false;
+}
diff --git a/pstoraster/icontext.h b/pstoraster/icontext.h
new file mode 100644
index 000000000..b0152924d
--- /dev/null
+++ b/pstoraster/icontext.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Externally visible context state */
+/* Requires iref.h, stdio_.h */
+
+#ifndef icontext_INCLUDED
+#  define icontext_INCLUDED
+
+#include "gsstruct.h"		/* for extern_st */
+#include "icstate.h"
+
+/* Declare the GC descriptor for context states. */
+extern_st(st_context_state);
+
+/*
+ * Define the procedure for resetting user parameters when switching
+ * contexts. This is defined in either zusparam.c or inouparm.c.
+ */
+extern int set_user_params(P1(const ref * paramdict));
+
+/* Allocate the state of a context, always in local VM. */
+/* If *ppcst == 0, allocate the state object as well. */
+int context_state_alloc(P2(gs_context_state_t ** ppcst,
+			   const gs_dual_memory_t * dmem));
+
+/* Load the state of the interpreter from a context. */
+int context_state_load(P1(const gs_context_state_t *));
+
+/* Store the state of the interpreter into a context. */
+int context_state_store(P1(gs_context_state_t *));
+
+/* Free the contents of the state of a context, always to its local VM. */
+/* Return a mask of which of its VMs, if any, we freed. */
+int context_state_free(P1(gs_context_state_t *));
+
+#endif /* icontext_INCLUDED */
diff --git a/pstoraster/icsmap.h b/pstoraster/icsmap.h
new file mode 100644
index 000000000..9521052fb
--- /dev/null
+++ b/pstoraster/icsmap.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to shared routines for loading the cached color space maps. */
+
+#ifndef icsmap_INCLUDED
+#  define icsmap_INCLUDED
+
+/*
+ * Set up to load a cached map for an Indexed or substituted Separation
+ * color space.  The implementation is in zcsindex.c.  When the map1
+ * procedure is called, the following structure is on the e_stack:
+ */
+#define num_csme 5
+#  define csme_num_components (-4)	/* t_integer */
+#  define csme_map (-3)		/* t_struct (bytes) */
+#  define csme_proc (-2)	/* -procedure- */
+#  define csme_hival (-1)	/* t_integer */
+#  define csme_index 0		/* t_integer */
+int zcs_begin_map(P5(gs_indexed_map ** pmap, const ref * pproc, int num_entries,
+	 const gs_base_color_space * base_space, int (*map1) (P1(os_ptr))));
+
+#endif /* icsmap_INCLUDED */
diff --git a/pstoraster/icstate.h b/pstoraster/icstate.h
new file mode 100644
index 000000000..1183e9d04
--- /dev/null
+++ b/pstoraster/icstate.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Externally visible context state */
+/* Requires iref.h */
+
+#ifndef icstate_INCLUDED
+#  define icstate_INCLUDED
+
+#include "imemory.h"
+
+/*
+ * Define the externally visible state of an interpreter context.
+ * If we aren't supporting Display PostScript features, there is only
+ * a single context.
+ */
+#ifndef gs_context_state_t_DEFINED
+#  define gs_context_state_t_DEFINED
+typedef struct gs_context_state_s gs_context_state_t;
+#endif
+#ifndef ref_stack_DEFINED
+#  define ref_stack_DEFINED
+typedef struct ref_stack_s ref_stack;
+#endif
+struct gs_context_state_s {
+    ref_stack *dstack;
+    ref_stack *estack;
+    ref_stack *ostack;
+    gs_state *pgs;
+    gs_dual_memory_t memory;
+    ref array_packing;		/* t_boolean */
+    ref binary_object_format;	/* t_integer */
+    long rand_state;		/* (not in Red Book) */
+    long usertime_total;	/* total accumulated usertime, */
+    /* not counting current time if running */
+    bool keep_usertime;		/* true if context ever executed usertime */
+    /* View clipping is handled in the graphics state. */
+    ref userparams;		/* t_dictionary */
+    ref stdio[2];		/* t_file */
+};
+
+/*
+ * We make st_context_state public because interp.c must allocate one,
+ * and zcontext.c must subclass it.
+ */
+/*extern_st(st_context_state); *//* in icontext.h */
+#define public_st_context_state()	/* in icontext.c */\
+  gs_public_st_complex_only(st_context_state, gs_context_state_t,\
+    "gs_context_state_t", context_state_clear_marks,\
+    context_state_enum_ptrs, context_state_reloc_ptrs, 0)
+
+#endif /* icstate_INCLUDED */
diff --git a/pstoraster/idebug.c b/pstoraster/idebug.c
new file mode 100644
index 000000000..a472c5b76
--- /dev/null
+++ b/pstoraster/idebug.c
@@ -0,0 +1,299 @@
+/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Debugging support for Ghostscript interpreter */
+/* This file must always be compiled with DEBUG set. */
+#undef DEBUG
+#define DEBUG
+#include "string_.h"
+#include "ghost.h"
+#include "ialloc.h"		/* for imemory for getting struct type */
+#include "idebug.h"		/* defines interface */
+#include "idict.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "istack.h"
+#include "iutil.h"
+#include "ivmspace.h"
+#include "opdef.h"
+
+/* Table of type name strings */
+static const char *const type_strings[] =
+{type_print_strings};
+
+/* First unassigned type index */
+extern const int tx_next_index;	/* in interp.c */
+
+/* Print a name. */
+void
+debug_print_name(const ref * pnref)
+{
+    ref sref;
+
+    name_string_ref(pnref, &sref);
+    debug_print_string(sref.value.const_bytes, r_size(&sref));
+}
+
+/* Print a ref. */
+private void
+debug_print_full_ref(const ref * pref)
+{
+    unsigned size = r_size(pref);
+    ref nref;
+
+    dprintf1("(%x)", r_type_attrs(pref));
+    switch (r_type(pref)) {
+	case t_array:
+	    dprintf2("array(%u)0x%lx", size, (ulong) pref->value.refs);
+	    break;
+	case t_astruct:
+	    goto strct;
+	case t_boolean:
+	    dprintf1("boolean %x", pref->value.boolval);
+	    break;
+	case t_device:
+	    dprintf1("device 0x%lx", (ulong) pref->value.pdevice);
+	    break;
+	case t_dictionary:
+	    dprintf3("dict(%u/%u)0x%lx",
+		     dict_length(pref), dict_maxlength(pref),
+		     (ulong) pref->value.pdict);
+	    break;
+	case t_file:
+	    dprintf1("file 0x%lx", (ulong) pref->value.pfile);
+	    break;
+	case t_fontID:
+	    goto strct;
+	case t_integer:
+	    dprintf1("int %ld", pref->value.intval);
+	    break;
+	case t_mark:
+	    dprintf("mark");
+	    break;
+	case t_mixedarray:
+	    dprintf2("mixed packedarray(%u)0x%lx", size,
+		     (ulong) pref->value.packed);
+	    break;
+	case t_name:
+	    dprintf2("name(0x%lx#%u)", (ulong) pref->value.pname,
+		     name_index(pref));
+	    debug_print_name(pref);
+	    break;
+	case t_null:
+	    dprintf("null");
+	    break;
+	case t_oparray:
+	    dprintf2("op_array(%u)0x%lx:", size, (ulong) pref->value.const_refs);
+	    {
+		const op_array_table *opt = op_index_op_array_table(size);
+
+		name_index_ref(opt->nx_table[size - opt->base_index], &nref);
+	    }
+	    debug_print_name(&nref);
+	    break;
+	case t_operator:
+	    dprintf1("op(%u", size);
+	    if (size > 0 && size < op_def_count)	/* just in case */
+		dprintf1(":%s", (const char *)(op_def_table[size]->oname + 1));
+	    dprintf1(")0x%lx", (ulong) pref->value.opproc);
+	    break;
+	case t_real:
+	    dprintf1("real %f", pref->value.realval);
+	    break;
+	case t_save:
+	    dprintf1("save %lu", pref->value.saveid);
+	    break;
+	case t_shortarray:
+	    dprintf2("short packedarray(%u)0x%lx", size,
+		     (ulong) pref->value.packed);
+	    break;
+	case t_string:
+	    dprintf2("string(%u)0x%lx", size, (ulong) pref->value.bytes);
+	    break;
+	case t_struct:
+	  strct:{
+		obj_header_t *obj = (obj_header_t *) pref->value.pstruct;
+
+		dprintf2("struct %s 0x%lx",
+			 (r_is_foreign(pref) ? "-foreign-" :
+		  gs_struct_type_name_string(gs_object_type(imemory, obj))),
+			 (ulong) obj);
+	    }
+	    break;
+	default:
+	    dprintf1("type 0x%x", r_type(pref));
+    }
+}
+private void
+debug_print_packed_ref(const ref_packed * pref)
+{
+    ushort elt = *pref & packed_value_mask;
+    ref nref;
+
+    switch (*pref >> r_packed_type_shift) {
+	case pt_executable_operator:
+	    dprintf("<op_name>");
+	    op_index_ref(elt, &nref);
+	    debug_print_ref(&nref);
+	    break;
+	case pt_integer:
+	    dprintf1("<int> %d", (int)elt + packed_min_intval);
+	    break;
+	case pt_literal_name:
+	    dprintf("<lit_name>");
+	    goto ptn;
+	case pt_executable_name:
+	    dprintf("<exec_name>");
+	  ptn:name_index_ref(elt, &nref);
+	    dprintf2("(0x%lx#%u)", (ulong) nref.value.pname, elt);
+	    debug_print_name(&nref);
+	    break;
+	default:
+	    dprintf2("<packed_%d?>0x%x", *pref >> r_packed_type_shift, elt);
+    }
+}
+void
+debug_print_ref(const ref * pref)
+{
+    if (r_is_packed(pref))
+	debug_print_packed_ref((const ref_packed *)pref);
+    else
+	debug_print_full_ref(pref);
+    fflush(dstderr);
+}
+
+/* Dump one ref. */
+void
+debug_dump_one_ref(const ref * p)
+{
+    uint attrs = r_type_attrs(p);
+    uint type = r_type(p);
+    static const attr_print_mask apm[] =
+    {attr_print_masks,
+     {0, 0, 0}};
+    const attr_print_mask *ap = apm;
+
+#define buf_size 30
+    char buf[buf_size + 1];
+    uint plen;
+
+    if (type >= tx_next_index)
+	dprintf1("0x%02x?? ", type);
+    else if (type >= t_next_index)
+	dprintf("opr* ");
+    else
+	dprintf1("%s ", type_strings[type]);
+    for (; ap->mask; ++ap)
+	if ((attrs & ap->mask) == ap->value)
+	    dputc(ap->print);
+    dprintf2(" 0x%04x 0x%08lx", r_size(p), *(const ulong *)&p->value);
+    if (obj_cvs(p, (byte *) buf, countof(buf) - 1, &plen, NULL) >= 0 &&
+	((buf[plen] = 0), strcmp(buf, "--nostringval--"))
+	)
+	dprintf1(" = %s", buf);
+    fflush(dstderr);
+}
+
+/* Dump a region of memory containing refs. */
+void
+debug_dump_refs(const ref * from, uint size, const char *msg)
+{
+    const ref *p = from;
+    uint count = size;
+
+    if (size && msg)
+	dprintf2("%s at 0x%lx:\n", msg, (ulong) from);
+    while (count--) {		/* The double cast in the next line is to pacify some */
+	/* unreasonably picky compilers. */
+	dprintf2("..%04x: 0x%04x ", (uint) (ulong) p & 0xffff,
+		 r_type_attrs(p));
+	debug_dump_one_ref(p);
+	dputc('\n');
+	p++;
+    }
+}
+
+/* Dump a stack. */
+void
+debug_dump_stack(const ref_stack * pstack, const char *msg)
+{
+    uint i;
+    const char *m = msg;
+
+    for (i = ref_stack_count(pstack); i != 0;) {
+	const ref *p = ref_stack_index(pstack, --i);
+
+	if (m)
+	    dprintf2("%s at 0x%lx:\n", m, (ulong) pstack),
+		m = NULL;
+	dprintf2("0x%lx: 0x%02x ", (ulong) p, r_type(p));
+	debug_dump_one_ref(p);
+	dputc('\n');
+    }
+}
+
+/* Dump an array. */
+void
+debug_dump_array(const ref * array)
+{
+    const ref_packed *pp;
+    unsigned int type = r_type(array);
+    uint len;
+
+    switch (type) {
+	default:
+	    dprintf2("%s at 0x%lx isn't an array.\n",
+		     (type < countof(type_strings) ?
+		      type_strings[type] : "????"),
+		     (ulong) array);
+	    return;
+	case t_oparray:
+	    /* This isn't really an array, but we'd like to see */
+	    /* its contents anyway. */
+	    debug_dump_array(array->value.const_refs);
+	    return;
+	case t_array:
+	case t_mixedarray:
+	case t_shortarray:
+	    ;
+    }
+
+    /* This "packed" loop works for all array-types. */
+    for (len = r_size(array), pp = array->value.packed;
+	 len > 0;
+	 len--, pp = packed_next(pp)) {
+	ref temp;
+
+	packed_get(pp, &temp);
+	/* The double cast in the next line is to pacify some */
+	/* unreasonably picky compilers. */
+	dprintf3("..%04x%c 0x%02x ",
+		 (uint) (ulong) pp & 0xffff,
+		 ((r_is_packed(pp)) ? '*' : ':'),
+		 r_type(&temp));
+	debug_dump_one_ref(&temp);
+	dputc('\n');
+    }
+}
diff --git a/pstoraster/idebug.h b/pstoraster/idebug.h
new file mode 100644
index 000000000..bd03b4cfd
--- /dev/null
+++ b/pstoraster/idebug.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Prototypes for debugging procedures in idebug.c */
+
+#ifndef idebug_INCLUDED
+#  define idebug_INCLUDED
+
+/* Print individual values. */
+void debug_print_name(P1(const ref *));
+void debug_print_ref(P1(const ref *));
+
+/* Dump regions of memory. */
+void debug_dump_one_ref(P1(const ref *));
+void debug_dump_refs(P3(const ref * from, uint size, const char *msg));
+void debug_dump_array(P1(const ref * array));
+
+/* Dump a stack.  Using this requires istack.h. */
+#ifndef ref_stack_DEFINED
+typedef struct ref_stack_s ref_stack;	/* also defined in istack.h */
+
+#  define ref_stack_DEFINED
+#endif
+void debug_dump_stack(P2(const ref_stack * pstack, const char *msg));
+
+#endif /* idebug_INCLUDED */
diff --git a/pstoraster/idict.c b/pstoraster/idict.c
new file mode 100644
index 000000000..d10107340
--- /dev/null
+++ b/pstoraster/idict.c
@@ -0,0 +1,780 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Dictionary implementation */
+#include "string_.h"		/* for strlen */
+#include "ghost.h"
+#include "errors.h"
+#include "imemory.h"
+#include "idebug.h"		/* for debug_print_name */
+#include "inamedef.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "isave.h"		/* for value cache in names */
+#include "store.h"
+#include "idict.h"		/* interface definition */
+#include "idictdef.h"
+#include "iutil.h"
+#include "ivmspace.h"		/* for store check */
+
+/*
+ * Dictionaries per se aren't supposed to know anything about the
+ * dictionary stack, let alone the interpreter's dictionary stack.
+ * Unfortunately, there is are two design couplings between them:
+ * dictionary stacks cache some of the elements of their top dictionary
+ * (requiring updating when that dictionary grows or is unpacked),
+ * and names may cache a pointer to their definition (requiring a
+ * check whether a dictionary appears on the dictionary stack).
+ * Therefore, we patch in a few relevant definitions here.
+ ****** WE'D REALLY LIKE TO FIX THIS, BUT WE DON'T SEE HOW. ******
+ */
+#include "idstack.h"
+/* The following are copied from dstack.h. */
+extern dict_stack_t idict_stack;
+
+#define systemdict (&idict_stack.system_dict)
+#define dict_set_top() dstack_set_top(&idict_stack);
+#define dict_is_permanent_on_dstack(pdict)\
+  dstack_dict_is_permanent(&idict_stack, pdict)
+
+/*
+ * Define the size of the largest valid dictionary.
+ * This is limited by the size field of the keys and values refs,
+ * and by the enumeration interface, which requires the size to
+ * fit in an int.  As it happens, max_array_size will always be
+ * smaller than max_int.
+ */
+const uint dict_max_size = max_array_size - 1;
+
+/* Define whether dictionaries expand automatically when full. */
+bool dict_auto_expand = false;
+
+/* Define whether dictionaries are packed by default. */
+bool dict_default_pack = true;
+
+/* Forward references */
+private int dict_create_contents(P3(uint size, const ref * pdref, bool pack));
+
+/* Debugging statistics */
+#ifdef DEBUG
+long dn_lookups;		/* total lookups */
+long dn_1probe;			/* successful lookups on only 1 probe */
+long dn_2probe;			/* successful lookups on 2 probes */
+
+/* Wrapper for dict_find */
+int real_dict_find(P3(const ref * pdref, const ref * key, ref ** ppvalue));
+int
+dict_find(const ref * pdref, const ref * pkey, ref ** ppvalue)
+{
+    dict *pdict = pdref->value.pdict;
+    int code = real_dict_find(pdref, pkey, ppvalue);
+
+    dn_lookups++;
+    if (r_has_type(pkey, t_name) && dict_is_packed(pdict)) {
+	uint nidx = name_index(pkey);
+	uint hash =
+	dict_hash_mod(dict_name_index_hash(nidx), npairs(pdict)) + 1;
+
+	if (pdict->keys.value.packed[hash] ==
+	    pt_tag(pt_literal_name) + nidx
+	    )
+	    dn_1probe++;
+	else if (pdict->keys.value.packed[hash - 1] ==
+		 pt_tag(pt_literal_name) + nidx
+	    )
+	    dn_2probe++;
+    }
+    /* Do the cheap flag test before the expensive remainder test. */
+    if (gs_debug_c('d') && !(dn_lookups % 1000))
+	dlprintf3("[d]lookups=%ld 1probe=%ld 2probe=%ld\n",
+		  dn_lookups, dn_1probe, dn_2probe);
+    return code;
+}
+#define dict_find real_dict_find
+#endif
+
+/* Round up the size of a dictionary.  Return 0 if too large. */
+uint
+dict_round_size_small(uint rsize)
+{
+    return (rsize > dict_max_size ? 0 : rsize);
+}
+uint
+dict_round_size_large(uint rsize)
+{				/* Round up to a power of 2 if not huge. */
+    /* If the addition overflows, the new rsize will be zero, */
+    /* which will (correctly) be interpreted as a limitcheck. */
+    if (rsize > dict_max_non_huge)
+	return (rsize > dict_max_size ? 0 : rsize);
+    while (rsize & (rsize - 1))
+	rsize = (rsize | (rsize - 1)) + 1;
+    return (rsize <= dict_max_size ? rsize : dict_max_non_huge);
+}
+
+/* Create a dictionary using the given allocator. */
+int
+dict_alloc(gs_ref_memory_t * mem, uint size, ref * pdref)
+{
+    ref arr;
+    int code =
+    gs_alloc_ref_array(mem, &arr, a_all, sizeof(dict) / sizeof(ref),
+		       "dict_alloc");
+    dict *pdict;
+    ref dref;
+
+    if (code < 0)
+	return code;
+    pdict = (dict *) arr.value.refs;
+    make_tav_new(&dref, t_dictionary, r_space(&arr) | a_all,
+		 pdict, pdict);
+    make_struct(&pdict->memory, avm_foreign, mem);
+    code = dict_create_contents(size, &dref, dict_default_pack);
+    if (code < 0) {
+	gs_free_ref_array(mem, &arr, "dict_alloc");
+	return code;
+    }
+    *pdref = dref;
+    return 0;
+}
+/* Create unpacked keys for a dictionary. */
+/* The keys are allocated using the same allocator as the dictionary. */
+private int
+dict_create_unpacked_keys(uint asize, const ref * pdref)
+{
+    dict *pdict = pdref->value.pdict;
+    gs_ref_memory_t *mem = dict_memory(pdict);
+    int code;
+
+    code = gs_alloc_ref_array(mem, &pdict->keys, a_all, asize,
+			      "dict_create_unpacked_keys");
+    if (code >= 0) {
+	ref *kp = pdict->keys.value.refs;
+
+	ref_mark_new(&pdict->keys);
+	refset_null(kp, asize);
+	r_set_attrs(kp, a_executable);	/* wraparound entry */
+    }
+    return code;
+}
+/* Create the contents (keys and values) of a newly allocated dictionary. */
+/* Allocate in the current VM space, which is assumed to be the same as */
+/* the VM space where the dictionary is allocated. */
+private int
+dict_create_contents(uint size, const ref * pdref, bool pack)
+{
+    dict *pdict = pdref->value.pdict;
+    gs_ref_memory_t *mem = dict_memory(pdict);
+    uint asize = dict_round_size((size == 0 ? 1 : size));
+    int code;
+    uint i;
+
+    if (asize == 0 || asize > max_array_size - 1)	/* too large */
+	return_error(e_limitcheck);
+    asize++;			/* allow room for wraparound entry */
+    code = gs_alloc_ref_array(mem, &pdict->values, a_all, asize,
+			      "dict_create_contents(values)");
+    if (code < 0)
+	return code;
+    ref_mark_new(&pdict->values);
+    refset_null(pdict->values.value.refs, asize);
+    if (pack) {
+	uint ksize = (asize + packed_per_ref - 1) / packed_per_ref;
+	ref arr;
+	ref_packed *pkp;
+	ref_packed *pzp;
+
+	code = gs_alloc_ref_array(mem, &arr, a_all, ksize,
+				  "dict_create_contents(packed keys)");
+	if (code < 0)
+	    return code;
+	pkp = (ref_packed *) arr.value.refs;
+	make_tasv_new(&pdict->keys, t_shortarray,
+		      r_space(&arr) | a_all,
+		      asize, packed, pkp);
+
+        /**** MRS - unrolled loop to avoid SGI compiler bug ****/
+	for (pzp = pkp, i = 0; i < asize; i++ )
+	  *pzp++ = packed_key_empty;
+	for (; i % packed_per_ref; i++ )
+	  *pzp++ = packed_key_empty;
+
+	*pkp = packed_key_deleted;	/* wraparound entry */
+    } else {			/* not packed */
+	int code = dict_create_unpacked_keys(asize, pdref);
+
+	if (code < 0)
+	    return code;
+    }
+    make_int_new(&pdict->count, 0);
+    make_int_new(&pdict->maxlength, size);
+    return 0;
+}
+
+/*
+ * Ensure that a dictionary uses the unpacked representation for keys.
+ * We can't just use dict_resize, because the values slots mustn't move.
+ */
+int
+dict_unpack(ref * pdref)
+{
+    dict *pdict = pdref->value.pdict;
+
+    if (!dict_is_packed(pdict))
+	return 0;		/* nothing to do */
+    {
+	uint count = nslots(pdict);
+	const ref_packed *okp = pdict->keys.value.packed;
+	ref old_keys;
+	int code;
+	ref *nkp;
+
+	old_keys = pdict->keys;
+	if (ref_must_save(&old_keys))
+	    ref_do_save(pdref, &pdict->keys, "dict_unpack(keys)");
+	code = dict_create_unpacked_keys(count, pdref);
+	if (code < 0)
+	    return code;
+	for (nkp = pdict->keys.value.refs; count--; okp++, nkp++)
+	    if (r_packed_is_name(okp)) {
+		packed_get(okp, nkp);
+		ref_mark_new(nkp);
+	    } else if (*okp == packed_key_deleted)
+		r_set_attrs(nkp, a_executable);
+	if (!ref_must_save(&old_keys))
+	    gs_free_ref_array(dict_memory(pdict), &old_keys,
+			      "dict_unpack(old keys)");
+	dict_set_top();		/* just in case */
+    }
+    return 0;
+}
+
+/*
+ * Look up a key in a dictionary.  Store a pointer to the value slot
+ * where found, or to the (value) slot for inserting.
+ * Return 1 if found, 0 if not and there is room for a new entry,
+ * or e_dictfull if the dictionary is full and the key is missing.
+ * The caller is responsible for ensuring key is not a null.
+ */
+int
+dict_find(const ref * pdref, const ref * pkey,
+	  ref ** ppvalue /* result is stored here */ )
+{
+    dict *pdict = pdref->value.pdict;
+    uint size = npairs(pdict);
+    register int etype;
+    uint nidx;
+    ref_packed kpack;
+    uint hash;
+    int ktype;
+
+    /* Compute hash.  The only types we bother with are strings, */
+    /* names, and (unlikely, but worth checking for) integers. */
+    switch (r_type(pkey)) {
+	case t_name:
+	    nidx = name_index(pkey);
+	  nh:hash = dict_name_index_hash(nidx);
+	    kpack = packed_name_key(nidx);
+	    ktype = t_name;
+	    break;
+	case t_string:		/* convert to a name first */
+	    {
+		ref nref;
+		int code;
+
+		if (!r_has_attr(pkey, a_read))
+		    return_error(e_invalidaccess);
+		code = name_ref(pkey->value.bytes, r_size(pkey), &nref, 1);
+		if (code < 0)
+		    return code;
+		nidx = name_index(&nref);
+	    }
+	    goto nh;
+	case t_integer:
+	    hash = (uint) pkey->value.intval * 30503;
+	    kpack = packed_key_impossible;
+	    ktype = -1;
+	    nidx = 0;		/* only to pacify gcc */
+	    break;
+	case t_null:		/* not allowed as a key */
+	    return_error(e_typecheck);
+	default:
+	    hash = r_btype(pkey) * 99;	/* yech */
+	    kpack = packed_key_impossible;
+	    ktype = -1;
+	    nidx = 0;		/* only to pacify gcc */
+    }
+    /* Search the dictionary */
+    if (dict_is_packed(pdict)) {
+	const ref_packed *pslot = 0;
+
+	packed_search_1(*ppvalue = packed_search_value_pointer,
+			return 1,
+			if (pslot == 0) pslot = kp, goto miss);
+	packed_search_2(*ppvalue = packed_search_value_pointer,
+			return 1,
+			if (pslot == 0) pslot = kp, goto miss);
+	/*
+	 * Double wraparound, dict is full.
+	 * Note that even if there was an empty slot (pslot != 0),
+	 * we must return dictfull if length = maxlength.
+	 */
+	if (pslot == 0 || d_length(pdict) == d_maxlength(pdict))
+	    return (e_dictfull);
+	*ppvalue = pdict->values.value.refs + (pslot - kbot);
+	return 0;
+      miss:			/* Key is missing, not double wrap.  See above re dictfull. */
+	if (d_length(pdict) == d_maxlength(pdict))
+	    return (e_dictfull);
+	if (pslot == 0)
+	    pslot = kp;
+	*ppvalue = pdict->values.value.refs + (pslot - kbot);
+	return 0;
+    } else {
+	ref *kbot = pdict->keys.value.refs;
+	register ref *kp;
+	ref *pslot = 0;
+	int wrap = 0;
+
+	for (kp = kbot + dict_hash_mod(hash, size) + 2;;) {
+	    --kp;
+	    if ((etype = r_type(kp)) == ktype) {	/* Fast comparison if both keys are names */
+		if (name_index(kp) == nidx) {
+		    *ppvalue = pdict->values.value.refs + (kp - kbot);
+		    return 1;
+		}
+	    } else if (etype == t_null) {	/* Empty, deleted, or wraparound. */
+		/* Figure out which. */
+		if (kp == kbot) {	/* wrap */
+		    if (wrap++) {	/* wrapped twice */
+			if (pslot == 0)
+			    return (e_dictfull);
+			break;
+		    }
+		    kp += size + 1;
+		} else if (r_has_attr(kp, a_executable)) {	/* Deleted entry, save the slot. */
+		    if (pslot == 0)
+			pslot = kp;
+		} else		/* key not found */
+		    break;
+	    } else {
+		if (obj_eq(kp, pkey)) {
+		    *ppvalue = pdict->values.value.refs + (kp - kbot);
+		    return 1;
+		}
+	    }
+	}
+	if (d_length(pdict) == d_maxlength(pdict))
+	    return (e_dictfull);
+	*ppvalue = pdict->values.value.refs +
+	    ((pslot != 0 ? pslot : kp) - kbot);
+	return 0;
+    }
+}
+
+/*
+ * Look up a (constant) C string in a dictionary.
+ * Return 1 if found, <= 0 if not.
+ */
+int
+dict_find_string(const ref * pdref, const char *kstr, ref ** ppvalue)
+{
+    int code;
+    ref kname;
+
+    if ((code = name_ref((const byte *)kstr, strlen(kstr), &kname, -1)) < 0)
+	return code;
+    return dict_find(pdref, &kname, ppvalue);
+}
+
+/*
+ * Enter a key-value pair in a dictionary.
+ * See idict.h for the possible return values.
+ */
+int
+dict_put(ref * pdref /* t_dictionary */ , const ref * pkey, const ref * pvalue)
+{
+    int rcode = 0;
+    int code;
+    ref *pvslot;
+
+    /* Check the value. */
+    store_check_dest(pdref, pvalue);
+  top:if ((code = dict_find(pdref, pkey, &pvslot)) <= 0) {	/* not found *//* Check for overflow */
+	dict *pdict = pdref->value.pdict;
+	ref kname;
+	uint index;
+
+	switch (code) {
+	    case 0:
+		break;
+	    case e_dictfull:
+		if (!dict_auto_expand)
+		    return_error(e_dictfull);
+		code = dict_grow(pdref);
+		if (code < 0)
+		    return code;
+		goto top;	/* keep things simple */
+	    default:		/* e_typecheck */
+		return code;
+	}
+	index = pvslot - pdict->values.value.refs;
+	/* If the key is a string, convert it to a name. */
+	if (r_has_type(pkey, t_string)) {
+	    int code;
+
+	    if (!r_has_attr(pkey, a_read))
+		return_error(e_invalidaccess);
+	    code = name_from_string(pkey, &kname);
+	    if (code < 0)
+		return code;
+	    pkey = &kname;
+	}
+	if (dict_is_packed(pdict)) {
+	    ref_packed *kp;
+
+	    if (!r_has_type(pkey, t_name) ||
+		name_index(pkey) > packed_name_max_index
+		) {		/* Change to unpacked representation. */
+		int code = dict_unpack(pdref);
+
+		if (code < 0)
+		    return code;
+		goto top;
+	    }
+	    kp = (ref_packed *) (pdict->keys.value.packed + index);
+	    if (ref_must_save(&pdict->keys)) {	/* See initial comment for why it is safe */
+		/* not to save the change if the keys */
+		/* array itself is new. */
+		ref_do_save(&pdict->keys, kp, "dict_put(key)");
+	    }
+	    *kp = pt_tag(pt_literal_name) + name_index(pkey);
+	} else {
+	    ref *kp = pdict->keys.value.refs + index;
+
+	    if_debug2('d', "[d]0x%lx: fill key at 0x%lx\n",
+		      (ulong) pdict, (ulong) kp);
+	    store_check_dest(pdref, pkey);
+	    ref_assign_old(&pdict->keys, kp, pkey,
+			   "dict_put(key)");	/* set key of pair */
+	}
+	ref_save(pdref, &pdict->count, "dict_put(count)");
+	pdict->count.value.intval++;
+	/* If the key is a name, update its 1-element cache. */
+	if (r_has_type(pkey, t_name)) {
+	    name *pname = pkey->value.pname;
+
+	    if (pname->pvalue == pv_no_defn &&
+		(pdict == systemdict->value.pdict ||
+		 dict_is_permanent_on_dstack(pdref)) &&
+	    /* Only set the cache if we aren't inside */
+	    /* a save.  This way, we never have to */
+	    /* undo setting the cache. */
+		alloc_save_level(idmemory) == 0
+		) {		/* Set the cache. */
+		if_debug0('d', "[d]set cache\n");
+		pname->pvalue = pvslot;
+	    } else {		/* The cache can't be used. */
+		if_debug0('d', "[d]no cache\n");
+		pname->pvalue = pv_other;
+	    }
+	}
+	rcode = 1;
+    }
+    if_debug8('d', "[d]0x%lx: put key 0x%lx 0x%lx\n  value at 0x%lx: old 0x%lx 0x%lx, new 0x%lx 0x%lx\n",
+	      (ulong) pdref->value.pdict,
+	      ((const ulong *)pkey)[0], ((const ulong *)pkey)[1],
+	      (ulong) pvslot,
+	      ((const ulong *)pvslot)[0], ((const ulong *)pvslot)[1],
+	      ((const ulong *)pvalue)[0], ((const ulong *)pvalue)[1]);
+    ref_assign_old(&pdref->value.pdict->values, pvslot, pvalue,
+		   "dict_put(value)");
+    return rcode;
+}
+
+/*
+ * Enter a key-value pair where the key is a (constant) C string.
+ */
+int
+dict_put_string(ref * pdref, const char *kstr, const ref * pvalue)
+{
+    int code;
+    ref kname;
+
+    if ((code = name_ref((const byte *)kstr, strlen(kstr), &kname, 0)) < 0)
+	return code;
+    return dict_put(pdref, &kname, pvalue);
+}
+
+/* Remove an element from a dictionary. */
+int
+dict_undef(ref * pdref, const ref * pkey)
+{
+    ref *pvslot;
+    dict *pdict;
+    uint index;
+
+    if (dict_find(pdref, pkey, &pvslot) <= 0)
+	return (e_undefined);
+    /* Remove the entry from the dictionary. */
+    pdict = pdref->value.pdict;
+    index = pvslot - pdict->values.value.refs;
+    if (dict_is_packed(pdict)) {
+	ref_packed *pkp =
+	(ref_packed *) (pdict->keys.value.packed + index);
+
+	/* See the initial comment for why it is safe not to save */
+	/* the change if the keys array itself is new. */
+	if (ref_must_save(&pdict->keys))
+	    ref_do_save(&pdict->keys, pkp, "dict_undef(key)");
+	/* Accumulating deleted entries slows down lookup. */
+	/* Detect the easy case where we can use an empty entry */
+	/* rather than a deleted one, namely, when the next entry */
+	/* in the probe order is empty. */
+	if (pkp[-1] == packed_key_empty)
+	    *pkp = packed_key_empty;
+	else
+	    *pkp = packed_key_deleted;
+    } else {			/* not packed */
+	ref *kp = pdict->keys.value.refs + index;
+
+	make_null_old(&pdict->keys, kp, "dict_undef(key)");
+	/* Accumulating deleted entries slows down lookup. */
+	/* Detect the easy case where we can use an empty entry */
+	/* rather than a deleted one, namely, when the next entry */
+	/* in the probe order is empty. */
+	if (!r_has_type(kp - 1, t_null) ||	/* full entry */
+	    r_has_attr(kp - 1, a_executable)	/* deleted or wraparound */
+	    )
+	    r_set_attrs(kp, a_executable);	/* mark as deleted */
+    }
+    ref_save(pdref, &pdict->count, "dict_undef(count)");
+    pdict->count.value.intval--;
+    /* If the key is a name, update its 1-element cache. */
+    if (r_has_type(pkey, t_name)) {
+	name *pname = pkey->value.pname;
+
+	if (pv_valid(pname->pvalue)) {
+#ifdef DEBUG
+	    /* Check the the cache is correct. */
+	    if (!dict_is_permanent_on_dstack(pdref))
+		lprintf1("dict_undef: cached name value pointer 0x%lx is incorrect!\n",
+			 (ulong) pname->pvalue);
+#endif
+	    /* Clear the cache */
+	    pname->pvalue = pv_no_defn;
+	}
+    }
+    make_null_old(&pdict->values, pvslot, "dict_undef(value)");
+    return 0;
+}
+
+/* Return the number of elements in a dictionary. */
+uint
+dict_length(const ref * pdref /* t_dictionary */ )
+{
+    return d_length(pdref->value.pdict);
+}
+
+/* Return the capacity of a dictionary. */
+uint
+dict_maxlength(const ref * pdref /* t_dictionary */ )
+{
+    return d_maxlength(pdref->value.pdict);
+}
+
+/* Return the maximum index of a slot within a dictionary. */
+uint
+dict_max_index(const ref * pdref /* t_dictionary */ )
+{
+    return npairs(pdref->value.pdict) - 1;
+}
+
+/* Copy one dictionary into another. */
+/* If new_only is true, only copy entries whose keys */
+/* aren't already present in the destination. */
+int
+dict_copy_entries(const ref * pdrfrom /* t_dictionary */ ,
+		  ref * pdrto /* t_dictionary */ , bool new_only)
+{
+    int space = r_space(pdrto);
+    int index;
+    ref elt[2];
+    ref *pvslot;
+    int code;
+
+    if (space != avm_max) {	/* Do the store check before starting the copy. */
+	index = dict_first(pdrfrom);
+	while ((index = dict_next(pdrfrom, index, elt)) >= 0)
+	    if (!new_only || dict_find(pdrto, &elt[0], &pvslot) <= 0) {
+		store_check_space(space, &elt[0]);
+		store_check_space(space, &elt[1]);
+	    }
+    }
+    /* Now copy the contents. */
+    index = dict_first(pdrfrom);
+    while ((index = dict_next(pdrfrom, index, elt)) >= 0) {
+	if (new_only && dict_find(pdrto, &elt[0], &pvslot) > 0)
+	    continue;
+	if ((code = dict_put(pdrto, &elt[0], &elt[1])) < 0)
+	    return code;
+    }
+    return 0;
+}
+
+/* Resize a dictionary. */
+int
+dict_resize(ref * pdref, uint new_size)
+{
+    dict *pdict = pdref->value.pdict;
+    gs_ref_memory_t *mem = dict_memory(pdict);
+    dict dnew;
+    ref drto;
+    int code;
+
+    if (new_size < d_length(pdict)) {
+	if (!dict_auto_expand)
+	    return_error(e_dictfull);
+	new_size = d_length(pdict);
+    }
+    make_tav_new(&drto, t_dictionary, r_space(pdref) | a_all,
+		 pdict, &dnew);
+    dnew.memory = pdict->memory;
+    if ((code = dict_create_contents(new_size, &drto, dict_is_packed(pdict))) < 0)
+	return code;
+    /* We must suppress the store check, in case we are expanding */
+    /* systemdict or another global dictionary that is allowed */
+    /* to reference local objects. */
+    r_set_space(&drto, avm_local);
+    dict_copy(pdref, &drto);	/* can't fail */
+    /* Save or free the old dictionary. */
+    if (ref_must_save(&pdict->values))
+	ref_do_save(pdref, &pdict->values, "dict_resize(values)");
+    else
+	gs_free_ref_array(mem, &pdict->values, "dict_resize(old values)");
+    if (ref_must_save(&pdict->keys))
+	ref_do_save(pdref, &pdict->keys, "dict_resize(keys)");
+    else
+	gs_free_ref_array(mem, &pdict->keys, "dict_resize(old keys)");
+    ref_assign(&pdict->keys, &dnew.keys);
+    ref_assign(&pdict->values, &dnew.values);
+    ref_save(pdref, &pdict->maxlength, "dict_resize(maxlength)");
+    d_set_maxlength(pdict, new_size);
+    dict_set_top();		/* just in case this is the top dict */
+    return 0;
+}
+
+/* Grow a dictionary for dict_put. */
+int
+dict_grow(ref * pdref)
+{
+    dict *pdict = pdref->value.pdict;
+
+    /* We might have maxlength < npairs, if */
+    /* dict_round_size increased the size. */
+    ulong new_size = (ulong) d_maxlength(pdict) * 3 / 2 + 2;
+
+#if arch_sizeof_int < arch_sizeof_long
+    if (new_size > max_uint)
+	new_size = max_uint;
+#endif
+    if (new_size > npairs(pdict)) {
+	int code = dict_resize(pdref, (uint) new_size);
+
+	if (code >= 0)
+	    return code;
+	/* new_size was too big. */
+	if (npairs(pdict) < dict_max_size) {
+	    code = dict_resize(pdref, dict_max_size);
+	    if (code >= 0)
+		return code;
+	}
+	if (npairs(pdict) == d_maxlength(pdict)) {	/* Can't do it. */
+	    return code;
+	}
+	/* We can't grow to new_size, but we can grow to npairs. */
+	new_size = npairs(pdict);
+    }
+    /* maxlength < npairs, we can grow in place */
+    ref_save(pdref, &pdict->maxlength, "dict_put(maxlength)");
+    d_set_maxlength(pdict, new_size);
+    return 0;
+}
+
+/* Prepare to enumerate a dictionary. */
+int
+dict_first(const ref * pdref)
+{
+    return (int)nslots(pdref->value.pdict);
+}
+
+/* Enumerate the next element of a dictionary. */
+int
+dict_next(const ref * pdref, int index, ref * eltp /* ref eltp[2] */ )
+{
+    dict *pdict = pdref->value.pdict;
+    ref *vp = pdict->values.value.refs + index;
+
+    while (vp--, --index >= 0) {
+	array_get(&pdict->keys, (long)index, eltp);
+	/* Make sure this is a valid entry. */
+	if (r_has_type(eltp, t_name) ||
+	    (!dict_is_packed(pdict) && !r_has_type(eltp, t_null))
+	    ) {
+	    eltp[1] = *vp;
+	    if_debug6('d', "[d]0x%lx: index %d: %lx %lx, %lx %lx\n",
+		      (ulong) pdict, index,
+		      ((ulong *) eltp)[0], ((ulong *) eltp)[1],
+		      ((ulong *) vp)[0], ((ulong *) vp)[1]);
+	    return index;
+	}
+    }
+    return -1;			/* no more elements */
+}
+
+/* Return the index of a value within a dictionary. */
+int
+dict_value_index(const ref * pdref, const ref * pvalue)
+{
+    return (int)(pvalue - pdref->value.pdict->values.value.refs - 1);
+}
+
+/* Return the entry at a given index within a dictionary. */
+/* If the index designates an unoccupied entry, return e_undefined. */
+int
+dict_index_entry(const ref * pdref, int index, ref * eltp /* ref eltp[2] */ )
+{
+    const dict *pdict = pdref->value.pdict;
+
+    array_get(&pdict->keys, (long)(index + 1), eltp);
+    if (r_has_type(eltp, t_name) ||
+	(!dict_is_packed(pdict) && !r_has_type(eltp, t_null))
+	) {
+	eltp[1] = pdict->values.value.refs[index + 1];
+	return 0;
+    }
+    return e_undefined;
+}
diff --git a/pstoraster/idict.h b/pstoraster/idict.h
new file mode 100644
index 000000000..7f1925ed9
--- /dev/null
+++ b/pstoraster/idict.h
@@ -0,0 +1,268 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interfaces for Ghostscript dictionary package */
+
+#ifndef idict_INCLUDED
+#  define idict_INCLUDED
+
+/*
+ * Contrary to our usual practice, we expose the (first-level)
+ * representation of a dictionary in the interface file,
+ * because it is so important that access checking go fast.
+ * The access attributes for the dictionary are stored in
+ * the values ref.
+ */
+struct dict_s {
+    ref values;			/* t_array, values */
+    ref keys;			/* t_shortarray or t_array, keys */
+    ref count;			/* t_integer, count of occupied entries */
+    /* (length) */
+    ref maxlength;		/* t_integer, maxlength as seen by client. */
+    ref memory;			/* foreign t_struct, the allocator that */
+    /* created this dictionary */
+#define dict_memory(pdict) r_ptr(&(pdict)->memory, gs_ref_memory_t)
+};
+
+/*
+ * Define the maximum size of a dictionary.
+ */
+extern const uint dict_max_size;
+
+/*
+ * Define whether dictionaries expand automatically when full.  Note that
+ * if dict_auto_expand is true, dict_put, dict_copy, dict_resize, and
+ * dict_grow cannot return e_dictfull; however, they can return e_VMerror.
+ * (dict_find can return e_dictfull even if dict_auto_expand is true.)
+ */
+extern bool dict_auto_expand;
+
+/*
+ * Create a dictionary.
+ */
+#ifndef gs_ref_memory_DEFINED
+#  define gs_ref_memory_DEFINED
+typedef struct gs_ref_memory_s gs_ref_memory_t;
+
+#endif
+int dict_alloc(P3(gs_ref_memory_t *, uint maxlength, ref * pdref));
+
+#define dict_create(maxlen, pdref)\
+  dict_alloc(iimemory, maxlen, pdref)
+
+/*
+ * Return a pointer to a ref that holds the access attributes
+ * for a dictionary.
+ */
+#define dict_access_ref(pdref) (&(pdref)->value.pdict->values)
+/*
+ * Check a dictionary for read or write permission.
+ * Note: this does NOT check the type of its operand!
+ */
+#define check_dict_read(dref) check_read(*dict_access_ref(&dref))
+#define check_dict_write(dref) check_write(*dict_access_ref(&dref))
+
+/*
+ * Look up a key in a dictionary.  Store a pointer to the value slot
+ * where found, or to the (value) slot for inserting.
+ * The caller is responsible for checking that the dictionary is readable.
+ * Return 1 if found, 0 if not and there is room for a new entry,
+ * Failure returns:
+ *      e_typecheck if the key is null;
+ *      e_invalidaccess if the key is a string lacking read access;
+ *      e_VMerror or e_limitcheck if the key is a string and the corresponding
+ *        error occurs from attempting to convert it to a name;
+ *      e_dictfull if the dictionary is full and the key is missing.
+ */
+int dict_find(P3(const ref * pdref, const ref * key, ref ** ppvalue));
+
+/*
+ * Look up a (constant) C string in a dictionary.
+ * Return 1 if found, <= 0 if not.
+ */
+int dict_find_string(P3(const ref * pdref, const char *kstr, ref ** ppvalue));
+
+/*
+ * Enter a key-value pair in a dictionary.
+ * The caller is responsible for checking that the dictionary is writable.
+ * Return 1 if this was a new entry, 0 if this replaced an existing entry.
+ * Failure returns are as for dict_find, except that e_dictfull doesn't
+ * occur if the dictionary is full but expandable, plus:
+ *      e_invalidaccess for an attempt to store a younger key or value into
+ *        an older dictionary;
+ *      e_VMerror if a VMerror occurred while trying to expand the
+ *        dictionary.
+ */
+int dict_put(P3(ref * pdref, const ref * key, const ref * pvalue));
+
+/*
+ * Enter a key-value pair where the key is a (constant) C string.
+ */
+int dict_put_string(P3(ref * pdref, const char *kstr, const ref * pvalue));
+
+/*
+ * Remove a key-value pair from a dictionary.
+ * Return 0 or e_undefined.
+ */
+int dict_undef(P2(ref * pdref, const ref * key));
+
+/*
+ * Return the number of elements in a dictionary.
+ */
+uint dict_length(P1(const ref * pdref));
+
+/*
+ * Return the capacity of a dictionary.
+ */
+uint dict_maxlength(P1(const ref * pdref));
+
+/*
+ * Return the maximum index of a slot within a dictionary.
+ * Note that this may be greater than maxlength.
+ */
+uint dict_max_index(P1(const ref * pdref));
+
+/*
+ * Copy one dictionary into another.
+ * Return 0 or e_dictfull.
+ * If new_only is true, only copy entries whose keys
+ * aren't already present in the destination.
+ */
+int dict_copy_entries(P3(const ref * dfrom, ref * dto, bool new_only));
+
+#define dict_copy(dfrom, dto) dict_copy_entries(dfrom, dto, false)
+#define dict_copy_new(dfrom, dto) dict_copy_entries(dfrom, dto, true)
+
+/*
+ * Grow or shrink a dictionary.
+ * Return 0, e_dictfull, or e_VMerror.
+ */
+int dict_resize(P2(ref * pdref, uint newmaxlength));
+
+/*
+ * Grow a dictionary in the same way as dict_put does.
+ * We export this for some special-case code in zop_def.
+ */
+int dict_grow(P1(ref * pdref));
+
+/*
+ * Ensure that a dictionary uses the unpacked representation for keys.
+ * (This is of no interest to ordinary clients.)
+ */
+int dict_unpack(P1(ref * pdref));
+
+/*
+ * Prepare to enumerate a dictionary.
+ * Return an integer suitable for the first call to dict_next.
+ */
+int dict_first(P1(const ref * pdref));
+
+/*
+ * Enumerate the next element of a dictionary.
+ * index is initially the result of a call on dict_first.
+ * Either store a key and value at eltp[0] and eltp[1]
+ * and return an updated index, or return -1
+ * to signal that there are no more elements in the dictionary.
+ */
+int dict_next(P3(const ref * pdref, int index, ref * eltp));
+
+/*
+ * Given a value pointer return by dict_find, return an index that
+ * identifies the entry within the dictionary. (This may, but need not,
+ * be the same as the index returned by dict_next.)
+ * The index is in the range [0..max_index-1].
+ */
+int dict_value_index(P2(const ref * pdref, const ref * pvalue));
+
+/*
+ * Given an index in [0..max_index-1], as returned by dict_value_index,
+ * return the key and value, as returned by dict_next.
+ * If the index designates an unoccupied entry, return e_undefined.
+ */
+int dict_index_entry(P3(const ref * pdref, int index, ref * eltp));
+
+/*
+ * The following are some internal details that are used in both the
+ * implementation and some high-performance clients.
+ */
+
+/* On machines with reasonable amounts of memory, we round up dictionary
+ * sizes to the next power of 2 whenever possible, to allow us to use
+ * masking rather than division for computing the hash index.
+ * Unfortunately, if we required this, it would cut the maximum size of a
+ * dictionary in half.  Therefore, on such machines, we distinguish
+ * "huge" dictionaries (dictionaries whose size is larger than the largest
+ * power of 2 less than dict_max_size) as a special case:
+ *
+ *      - If the top dictionary on the stack is huge, we set the dtop
+ *      parameters so that the fast inline lookup will always fail.
+ *
+ *      - For general lookup, we use the slower hash_mod algorithm for
+ *      huge dictionaries.
+ */
+#define dict_max_non_huge ((uint)(max_array_size / 2 + 1))
+
+/* Define the hashing function for names. */
+/* We don't have to scramble the index, because */
+/* indices are assigned in a scattered order (see name_ref in iname.c). */
+#define dict_name_index_hash(nidx) (nidx)
+
+/* Hash an arbitrary non-negative or unsigned integer into a dictionary. */
+#define dict_hash_mod_rem(hash, size) ((hash) % (size))
+#define dict_hash_mod_mask(hash, size) ((hash) & ((size) - 1))
+#define dict_hash_mod_small(hash, size) dict_hash_mod_rem(hash, size)
+#define dict_hash_mod_inline_small(hash, size) dict_hash_mod_rem(hash, size)
+#define dict_hash_mod_large(hash, size)\
+  (size > dict_max_non_huge ? dict_hash_mod_rem(hash, size) :\
+   dict_hash_mod_mask(hash, size))
+#define dict_hash_mod_inline_large(hash, size) dict_hash_mod_mask(hash, size)
+/* Round up the requested size of a dictionary.  Return 0 if too big. */
+uint dict_round_size_small(P1(uint rsize));
+uint dict_round_size_large(P1(uint rsize));
+
+/* Choose the algorithms depending on the size of memory. */
+#if arch_small_memory
+#  define dict_hash_mod(h, s) dict_hash_mod_small(h, s)
+#  define dict_hash_mod_inline(h, s) dict_hash_mod_inline_small(h, s)
+#  define dict_round_size(s) dict_round_size_small(s)
+#else
+#  ifdef DEBUG
+#    define dict_hash_mod(h, s)\
+       (gs_debug_c('.') ? dict_hash_mod_small(h, s) :\
+	dict_hash_mod_large(h, s))
+#    define dict_hash_mod_inline(h, s)\
+       (gs_debug_c('.') ? dict_hash_mod_inline_small(h, s) :\
+	dict_hash_mod_inline_large(h, s))
+#    define dict_round_size(s)\
+       (gs_debug_c('.') ? dict_round_size_small(s) :\
+	dict_round_size_large(s))
+#  else
+#    define dict_hash_mod(h, s) dict_hash_mod_large(h, s)
+#    define dict_hash_mod_inline(h, s) dict_hash_mod_inline_large(h, s)
+#    define dict_round_size(s) dict_round_size_large(s)
+#  endif
+#endif
+
+#endif /* idict_INCLUDED */
diff --git a/pstoraster/idictdef.h b/pstoraster/idictdef.h
new file mode 100644
index 000000000..68abe42ad
--- /dev/null
+++ b/pstoraster/idictdef.h
@@ -0,0 +1,128 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internals of dictionary implementation */
+
+#ifndef idictdef_INCLUDED
+#  define idictdef_INCLUDED
+
+/*
+ * A dictionary of capacity M is a structure containing the following
+ * elements (refs):
+ *
+ *      keys - a t_shortarray or t_array of M+1 elements, containing
+ *      the keys.
+ *
+ *      values - a t_array of M+1 elements, containing the values.
+ *
+ *      count - a t_integer whose value tells how many entries are
+ *      occupied (N).
+ *
+ *      maxlength - a t_integer whose value gives the client's view of
+ *      the capacity (C).  C may be less than M (see below).
+ *
+ *      memory - a foreign t_struct referencing the allocator used to
+ *      create this dictionary, which will also be used to expand or
+ *      unpack it if necessary.
+ *
+ * C < M is possible because on large-memory systems, we usually round up M
+ * so that M is a power of 2 (see idict.h for details); this allows us to
+ * use masking rather than division for computing the initial hash probe.
+ * However, C is always the maxlength specified by the client, so clients
+ * get a consistent story.
+ *
+ * As noted above, the keys may be either in packed or unpacked form.
+ * The markers for unused and deleted entries are different in the two forms.
+ * In the packed form:
+ *      unused entries contain packed_key_empty;
+ *      deleted entries contain packed_key_deleted.
+ * In the unpacked form:
+ *      unused entries contain a literal null;
+ *      deleted entries contain an executable null.
+ *
+ * The first entry is always marked deleted, to reduce the cost of the
+ * wrap-around check.
+ *
+ * Note that if the keys slot in the dictionary is new,
+ * all the key slots are new (more recent than the last save).
+ * We use this fact to avoid saving stores into packed keys
+ * for newly created dictionaries.
+ *
+ * Note that name keys with indices above packed_name_max_index require using
+ * the unpacked form.  */
+#define dict_is_packed(dct) r_has_type(&(dct)->keys, t_shortarray)
+#define packed_key_empty (pt_tag(pt_integer) + 0)
+#define packed_key_deleted (pt_tag(pt_integer) + 1)
+#define packed_key_impossible pt_tag(pt_full_ref)	/* never matches */
+#define packed_name_key(nidx)\
+  ((nidx) <= packed_name_max_index ? pt_tag(pt_literal_name) + (nidx) :\
+   packed_key_impossible)
+/*
+ * Using a special mark for deleted entries causes lookup time to degrade
+ * as entries are inserted and deleted.  This is not a problem, because
+ * entries are almost never deleted.
+ */
+#define d_maxlength(dct) ((uint)((dct)->maxlength.value.intval))
+#define d_set_maxlength(dct,siz) ((dct)->maxlength.value.intval = (siz))
+#define nslots(dct) r_size(&(dct)->values)
+#define npairs(dct) (nslots(dct) - 1)
+#define d_length(dct) ((uint)((dct)->count.value.intval))
+
+/*
+ * Define macros for searching a packed dictionary.  Free variables:
+ *      ref_packed kpack - holds the packed key.
+ *      uint hash - holds the hash of the name.
+ *      dict *pdict - points to the dictionary.
+ *      uint size - holds npairs(pdict).
+ * Note that the macro is *not* enclosed in {}, so that we can access
+ * the values of kbot and kp after leaving the loop.
+ *
+ * We break the macro into two to avoid overflowing some preprocessors.
+ */
+/* packed_search_body also uses kp and kbot as free variables. */
+#define packed_search_value_pointer (pdict->values.value.refs + (kp - kbot))
+#define packed_search_body(found1,found2,del,miss)\
+    { if_debug2('D', "[D]probe 0x%lx: 0x%x\n", (ulong)kp, *kp);\
+      if ( *kp == kpack )\
+       { found1;\
+	 found2;\
+       }\
+      else if ( !r_packed_is_name(kp) )\
+       { /* Empty, deleted, or wraparound. Figure out which. */\
+	 if ( *kp == packed_key_empty ) miss;\
+	 if ( kp == kbot ) break;	/* wrap */\
+	 else { del; }\
+       }\
+    }
+#define packed_search_1(found1,found2,del,miss)\
+   const ref_packed *kbot = pdict->keys.value.packed;\
+   register const ref_packed *kp;\
+   for ( kp = kbot + dict_hash_mod(hash, size) + 1; ; kp-- )\
+     packed_search_body(found1,found2,del,miss)
+#define packed_search_2(found1,found2,del,miss)\
+   for ( kp += size; ; kp-- )\
+     packed_search_body(found1,found2,del,miss)
+
+#endif /* idictdef_INCLUDED */
diff --git a/pstoraster/idparam.c b/pstoraster/idparam.c
new file mode 100644
index 000000000..842f29dba
--- /dev/null
+++ b/pstoraster/idparam.c
@@ -0,0 +1,371 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Utilities for getting parameters out of dictionaries. */
+#include "memory_.h"
+#include "string_.h"		/* for strlen */
+#include "ghost.h"
+#include "errors.h"
+#include "gsmatrix.h"		/* for dict_matrix_param */
+#include "gsuid.h"
+#include "idict.h"
+#include "idparam.h"		/* interface definition */
+#include "ilevel.h"
+#include "imemory.h"		/* for iutil.h */
+#include "iname.h"
+#include "iutil.h"
+#include "oper.h"		/* for check_proc */
+#include "store.h"		/* for making empty proc */
+
+/* Get a Boolean parameter from a dictionary. */
+/* Return 0 if found, 1 if defaulted, <0 if wrong type. */
+int
+dict_bool_param(const ref * pdict, const char *kstr,
+		bool defaultval, bool * pvalue)
+{
+    ref *pdval;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0) {
+	*pvalue = defaultval;
+	return 1;
+    }
+    if (!r_has_type(pdval, t_boolean))
+	return_error(e_typecheck);
+    *pvalue = pdval->value.boolval;
+    return 0;
+}
+
+/* Get an integer or null parameter from a dictionary. */
+/* Return 0 if found, 1 if defaulted, <0 if invalid. */
+/* If the parameter is null, return 2 without setting *pvalue. */
+/* Note that the default value may be out of range, in which case */
+/* a missing value will return e_rangecheck rather than 1. */
+int
+dict_int_null_param(const ref * pdict, const char *kstr, int minval,
+		    int maxval, int defaultval, int *pvalue)
+{
+    ref *pdval;
+    int code;
+    long ival;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0) {
+	ival = defaultval;
+	code = 1;
+    } else {
+	switch (r_type(pdval)) {
+	    case t_integer:
+		ival = pdval->value.intval;
+		break;
+	    case t_real:
+		/* Allow an integral real, because Fontographer */
+		/* (which violates the Adobe specs in other ways */
+		/* as well) sometimes generates output that */
+		/* needs this. */
+		if (pdval->value.realval < minval || pdval->value.realval > maxval)
+		    return_error(e_rangecheck);
+		ival = (long)pdval->value.realval;
+		if (ival != pdval->value.realval)
+		    return_error(e_rangecheck);
+		break;
+	    case t_null:
+		return 2;
+	    default:
+		return_error(e_typecheck);
+	}
+	code = 0;
+    }
+    if (ival < minval || ival > maxval)
+	return_error(e_rangecheck);
+    *pvalue = (int)ival;
+    return code;
+}
+/* Get an integer parameter from a dictionary. */
+/* Return like dict_int_null_param, but return e_typecheck for null. */
+int
+dict_int_param(const ref * pdict, const char *kstr, int minval, int maxval,
+	       int defaultval, int *pvalue)
+{
+    int code = dict_int_null_param(pdict, kstr, minval, maxval,
+				   defaultval, pvalue);
+
+    return (code == 2 ? gs_note_error(e_typecheck) : code);
+}
+
+/* Get an unsigned integer parameter from a dictionary. */
+/* Return 0 if found, 1 if defaulted, <0 if invalid. */
+/* Note that the default value may be out of range, in which case */
+/* a missing value will return e_rangecheck rather than 1. */
+int
+dict_uint_param(const ref * pdict, const char *kstr,
+		uint minval, uint maxval, uint defaultval, uint * pvalue)
+{
+    ref *pdval;
+    int code;
+    uint ival;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0) {
+	ival = defaultval;
+	code = 1;
+    } else {
+	check_type_only(*pdval, t_integer);
+	if (pdval->value.intval != (uint) pdval->value.intval)
+	    return_error(e_rangecheck);
+	ival = (uint) pdval->value.intval;
+	code = 0;
+    }
+    if (ival < minval || ival > maxval)
+	return_error(e_rangecheck);
+    *pvalue = ival;
+    return code;
+}
+
+/* Get a float parameter from a dictionary. */
+/* Return 0 if found, 1 if defaulted, <0 if wrong type. */
+int
+dict_float_param(const ref * pdict, const char *kstr,
+		 floatp defaultval, float *pvalue)
+{
+    ref *pdval;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0) {
+	*pvalue = defaultval;
+	return 1;
+    }
+    switch (r_type(pdval)) {
+	case t_integer:
+	    *pvalue = pdval->value.intval;
+	    return 0;
+	case t_real:
+	    *pvalue = pdval->value.realval;
+	    return 0;
+    }
+    return_error(e_typecheck);
+}
+
+/* Get an integer array from a dictionary. */
+/* Return the element count if OK, 0 if missing, <0 if invalid. */
+int
+dict_int_array_param(const ref * pdict, const char *kstr,
+		     uint maxlen, int *ivec)
+{
+    ref *pdval;
+    const ref *pa;
+    int *pi = ivec;
+    uint size;
+    int i;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0)
+	return 0;
+    if (!r_has_type(pdval, t_array))
+	return_error(e_typecheck);
+    size = r_size(pdval);
+    if (size > maxlen)
+	return_error(e_limitcheck);
+    pa = pdval->value.const_refs;
+    for (i = 0; i < size; i++, pa++, pi++) {	/* See dict_int_param above for why we allow reals here. */
+	switch (r_type(pa)) {
+	    case t_integer:
+		if (pa->value.intval != (int)pa->value.intval)
+		    return_error(e_rangecheck);
+		*pi = (int)pa->value.intval;
+		break;
+	    case t_real:
+		if (pa->value.realval < min_int ||
+		    pa->value.realval > max_int ||
+		    pa->value.realval != (int)pa->value.realval
+		    )
+		    return_error(e_rangecheck);
+		*pi = (int)pa->value.realval;
+		break;
+	    default:
+		return_error(e_typecheck);
+	}
+    }
+    return size;
+}
+
+/* Get a float array from a dictionary. */
+/* Return the element count if OK, <0 if invalid. */
+/* If the parameter is missing, then if defaultvec is NULL, return 0; */
+/* if defaultvec is not NULL, copy it into fvec (maxlen elements) */
+/* and return maxlen. */
+int
+dict_float_array_param(const ref * pdict, const char *kstr,
+		       uint maxlen, float *fvec, const float *defaultvec)
+{
+    ref *pdval;
+    uint size;
+    int code;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0) {
+	if (defaultvec == NULL)
+	    return 0;
+	memcpy(fvec, defaultvec, maxlen * sizeof(float));
+
+	return maxlen;
+    }
+    if (!r_has_type(pdval, t_array))
+	return_error(e_typecheck);
+    size = r_size(pdval);
+    if (size > maxlen)
+	return_error(e_limitcheck);
+    code = float_params(pdval->value.refs + size - 1, size, fvec);
+    return (code >= 0 ? size : code);
+}
+
+/*
+ * Get a procedure from a dictionary.  If the key is missing,
+ *      defaultval = false means substitute t__invalid;
+ *      defaultval = true means substitute an empty procedure.
+ * In either case, return 1.
+ */
+int
+dict_proc_param(const ref * pdict, const char *kstr, ref * pproc,
+		bool defaultval)
+{
+    ref *pdval;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0) {
+	if (defaultval)
+	    make_empty_const_array(pproc, a_readonly + a_executable);
+	else
+	    make_t(pproc, t__invalid);
+	return 1;
+    }
+    check_proc(*pdval);
+    *pproc = *pdval;
+    return 0;
+}
+
+/* Get a matrix from a dictionary. */
+int
+dict_matrix_param(const ref * pdict, const char *kstr, gs_matrix * pmat)
+{
+    ref *pdval;
+
+    if (pdict == 0 || dict_find_string(pdict, kstr, &pdval) <= 0)
+	return_error(e_typecheck);
+    return read_matrix(pdval, pmat);
+}
+
+/* Get a UniqueID or XUID from a dictionary. */
+/* Return 0 if UniqueID, 1 if XUID, <0 if error. */
+/* If there is no uid, return default. */
+int
+dict_uid_param(const ref * pdict, gs_uid * puid, int defaultval,
+	       gs_memory_t * mem)
+{
+    ref *puniqueid;
+
+    if (pdict == 0) {
+	uid_set_invalid(puid);
+	return defaultval;
+    }
+    /* In a Level 2 environment, check for XUID first. */
+    if (level2_enabled &&
+	dict_find_string(pdict, "XUID", &puniqueid) > 0
+	) {
+	long *xvalues;
+	uint size, i;
+
+	if (!r_has_type(puniqueid, t_array))
+	    return_error(e_typecheck);
+	size = r_size(puniqueid);
+	if (size == 0)
+	    return_error(e_rangecheck);
+	xvalues = (long *)gs_alloc_byte_array(mem, size, sizeof(long),
+					      "get XUID");
+
+	if (xvalues == 0)
+	    return_error(e_VMerror);
+	/* Get the values from the XUID array. */
+	for (i = 0; i < size; i++) {
+	    const ref *pvalue = puniqueid->value.const_refs + i;
+
+	    if (!r_has_type(pvalue, t_integer)) {
+		gs_free_object(mem, xvalues, "get XUID");
+		return_error(e_typecheck);
+	    }
+	    xvalues[i] = pvalue->value.intval;
+	}
+	uid_set_XUID(puid, xvalues, size);
+	return 1;
+    }
+    /* If no UniqueID entry, set the UID to invalid, */
+    /* because UniqueID need not be present in all fonts, */
+    /* and if it is, the legal range is 0 to 2^24-1. */
+    if (dict_find_string(pdict, "UniqueID", &puniqueid) <= 0) {
+	uid_set_invalid(puid);
+	return defaultval;
+    } else {
+	if (!r_has_type(puniqueid, t_integer) ||
+	    puniqueid->value.intval < 0 ||
+	    puniqueid->value.intval > 0xffffffL
+	    )
+	    return_error(e_rangecheck);
+	/* Apparently fonts created by Fontographer often have */
+	/* a UniqueID of 0, contrary to Adobe's specifications. */
+	/* Treat 0 as equivalent to -1 (no UniqueID). */
+	if (puniqueid->value.intval == 0) {
+	    uid_set_invalid(puid);
+	    return defaultval;
+	} else
+	    uid_set_UniqueID(puid, puniqueid->value.intval);
+    }
+    return 0;
+}
+
+/* Check that a UID in a dictionary is equal to an existing, valid UID. */
+bool
+dict_check_uid_param(const ref * pdict, const gs_uid * puid)
+{
+    ref *puniqueid;
+
+    if (uid_is_XUID(puid)) {
+	uint size = uid_XUID_size(puid);
+	uint i;
+
+	if (dict_find_string(pdict, "XUID", &puniqueid) <= 0)
+	    return false;
+	if (!r_has_type(puniqueid, t_array) ||
+	    r_size(puniqueid) != size
+	    )
+	    return false;
+	for (i = 0; i < size; i++) {
+	    const ref *pvalue = puniqueid->value.const_refs + i;
+
+	    if (!r_has_type(pvalue, t_integer))
+		return false;
+	    if (pvalue->value.intval != uid_XUID_values(puid)[i])
+		return false;
+	}
+	return true;
+    } else {
+	if (dict_find_string(pdict, "UniqueID", &puniqueid) <= 0)
+	    return false;
+	return (r_has_type(puniqueid, t_integer) &&
+		puniqueid->value.intval == puid->id);
+    }
+}
diff --git a/pstoraster/idparam.h b/pstoraster/idparam.h
new file mode 100644
index 000000000..cf01cff1f
--- /dev/null
+++ b/pstoraster/idparam.h
@@ -0,0 +1,90 @@
+/* Copyright (C) 1992, 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to idparam.c */
+
+#ifndef idparam_INCLUDED
+#  define idparam_INCLUDED
+
+#ifndef gs_matrix_DEFINED
+#  define gs_matrix_DEFINED
+typedef struct gs_matrix_s gs_matrix;
+
+#endif
+
+#ifndef gs_uid_DEFINED
+#  define gs_uid_DEFINED
+typedef struct gs_uid_s gs_uid;
+
+#endif
+
+/*
+ * Unless otherwise noted, all the following routines return 0 for
+ * a valid parameter, 1 for a defaulted parameter, or <0 on error.
+ *
+ * Note that all the dictionary parameter routines take a C string,
+ * not a t_name ref *.  Even though this is slower, it means that
+ * the GC doesn't have to worry about finding statically declared
+ * name refs, and we have that many fewer static variables.
+ *
+ * All these routines allow pdict == NULL, which they treat the same as
+ * pdict referring to an empty dictionary.  Routines with "null" in their
+ * name return 2 if the parameter is null, without setting *pvalue.
+ */
+int dict_bool_param(P4(const ref * pdict, const char *kstr,
+		       bool defaultval, bool * pvalue));
+int dict_int_param(P6(const ref * pdict, const char *kstr,
+		      int minval, int maxval, int defaultval, int *pvalue));
+int dict_int_null_param(P6(const ref * pdict, const char *kstr,
+			   int minval, int maxval, int defaultval,
+			   int *pvalue));
+int dict_uint_param(P6(const ref * pdict, const char *kstr,
+		       uint minval, uint maxval, uint defaultval,
+		       uint * pvalue));
+int dict_float_param(P4(const ref * pdict, const char *kstr,
+			floatp defaultval, float *pvalue));
+int dict_int_array_param(P4(const ref * pdict, const char *kstr,
+			    uint maxlen, int *ivec));
+int dict_float_array_param(P5(const ref * pdict, const char *kstr,
+			      uint maxlen, float *fvec,
+			      const float *defaultvec));
+
+/*
+ * For dict_proc_param,
+ *      defaultval = false means substitute t__invalid;
+ *      defaultval = true means substitute an empty procedure.
+ * In either case, return 1.
+ */
+int dict_proc_param(P4(const ref * pdict, const char *kstr, ref * pproc,
+		       bool defaultval));
+int dict_matrix_param(P3(const ref * pdict, const char *kstr,
+			 gs_matrix * pmat));
+int dict_uid_param(P4(const ref * pdict, gs_uid * puid, int defaultval,
+		      gs_memory_t * mem));
+
+/* Check that a UID in a dictionary is equal to an existing, valid UID. */
+bool dict_check_uid_param(P2(const ref * pdict, const gs_uid * puid));
+
+#endif /* idparam_INCLUDED */
diff --git a/pstoraster/idstack.c b/pstoraster/idstack.c
new file mode 100644
index 000000000..744dde405
--- /dev/null
+++ b/pstoraster/idstack.c
@@ -0,0 +1,249 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation of dictionary stacks */
+#include "ghost.h"
+#include "idict.h"
+#include "idictdef.h"
+#include "idstack.h"
+#include "inamedef.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "iutil.h"
+#include "ivmspace.h"
+
+/* Debugging statistics */
+#ifdef DEBUG
+#include "idebug.h"
+long ds_lookups;		/* total lookups */
+long ds_1probe;			/* successful lookups on only 1 probe */
+long ds_2probe;			/* successful lookups on 2 probes */
+
+/* Wrapper for dstack_find_name_by_index */
+ref *real_dstack_find_name_by_index(P2(dict_stack_t * pds, uint nidx));
+ref *
+dstack_find_name_by_index(dict_stack_t * pds, uint nidx)
+{
+    ref *pvalue = real_dstack_find_name_by_index(pds, nidx);
+    dict *pdict = pds->stack.p->value.pdict;
+
+    ds_lookups++;
+    if (dict_is_packed(pdict)) {
+	uint hash =
+	dict_hash_mod(dict_name_index_hash(nidx), npairs(pdict)) + 1;
+
+	if (pdict->keys.value.packed[hash] ==
+	    pt_tag(pt_literal_name) + nidx
+	    )
+	    ds_1probe++;
+	else if (pdict->keys.value.packed[hash - 1] ==
+		 pt_tag(pt_literal_name) + nidx
+	    )
+	    ds_2probe++;
+    }
+    /* Do the cheap flag test before the expensive remainder test. */
+    if (gs_debug_c('d') && !(ds_lookups % 1000))
+	dlprintf3("[d]lookups=%ld 1probe=%ld 2probe=%ld\n",
+		  ds_lookups, ds_1probe, ds_2probe);
+    return pvalue;
+}
+#define dstack_find_name_by_index real_dstack_find_name_by_index
+#endif
+
+/* Check whether a dictionary is one of the permanent ones on the d-stack. */
+bool
+dstack_dict_is_permanent(const dict_stack_t * pds, const ref * pdref)
+{
+    dict *pdict = pdref->value.pdict;
+    int i;
+
+    if (pds->stack.extension_size == 0) {	/* Only one block of d-stack. */
+	for (i = 0; i < pds->min_size; ++i)
+	    if (pds->stack.bot[i].value.pdict == pdict)
+		return true;
+    } else {			/* More than one block of d-stack. */
+	uint count = ref_stack_count(&pds->stack);
+
+	for (i = count - pds->min_size; i < count; ++i)
+	    if (ref_stack_index(&pds->stack, i)->value.pdict == pdict)
+		return true;
+    }
+    return false;
+}
+
+/*
+ * Look up a name on the dictionary stack.
+ * Return the pointer to the value if found, 0 if not.
+ */
+ref *
+dstack_find_name_by_index(dict_stack_t * pds, uint nidx)
+{
+    ds_ptr pdref = pds->stack.p;
+
+/* Since we know the hash function is the identity function, */
+/* there's no point in allocating a separate variable for it. */
+#define hash dict_name_index_hash(nidx)
+    ref_packed kpack = packed_name_key(nidx);
+
+    do {
+	dict *pdict = pdref->value.pdict;
+	uint size = npairs(pdict);
+
+#ifdef DEBUG
+	if (gs_debug_c('D')) {
+	    ref dnref;
+
+	    name_index_ref(nidx, &dnref);
+	    dlputs("[D]lookup ");
+	    debug_print_name(&dnref);
+	    dprintf3(" in 0x%lx(%u/%u)\n",
+		     (ulong) pdict, dict_length(pdref),
+		     dict_maxlength(pdref));
+	}
+#endif
+	if (dict_is_packed(pdict)) {
+	    packed_search_1(DO_NOTHING,
+			    return packed_search_value_pointer,
+			    DO_NOTHING, goto miss);
+	    packed_search_2(DO_NOTHING,
+			    return packed_search_value_pointer,
+			    DO_NOTHING, break);
+	  miss:;
+	} else {
+	    ref *kbot = pdict->keys.value.refs;
+	    register ref *kp;
+	    int wrap = 0;
+
+	    /* Search the dictionary */
+	    for (kp = kbot + dict_hash_mod(hash, size) + 2;;) {
+		--kp;
+		if (r_has_type(kp, t_name)) {
+		    if (name_index(kp) == nidx)
+			return pdict->values.value.refs +
+			    (kp - kbot);
+		} else if (r_has_type(kp, t_null)) {	/* Empty, deleted, or wraparound. */
+		    /* Figure out which. */
+		    if (!r_has_attr(kp, a_executable))
+			break;
+		    if (kp == kbot) {	/* wrap */
+			if (wrap++)
+			    break;	/* 2 wraps */
+			kp += size + 1;
+		    }
+		}
+	    }
+	}
+    }
+    while (pdref-- > pds->stack.bot);
+    /* The name isn't in the top dictionary block. */
+    /* If there are other blocks, search them now (more slowly). */
+    if (!pds->stack.extension_size)	/* no more blocks */
+	return (ref *) 0;
+    {				/* We could use the STACK_LOOP macros, but for now, */
+	/* we'll do things the simplest way. */
+	ref key;
+	uint i = pds->stack.p + 1 - pds->stack.bot;
+	uint size = ref_stack_count(&pds->stack);
+	ref *pvalue;
+
+	name_index_ref(nidx, &key);
+	for (; i < size; i++) {
+	    if (dict_find(ref_stack_index(&pds->stack, i),
+			  &key, &pvalue) > 0
+		)
+		return pvalue;
+	}
+    }
+    return (ref *) 0;
+#undef hash
+}
+
+/* Set the cached values computed from the top entry on the dstack. */
+/* See idstack.h for details. */
+private const ref_packed no_packed_keys[2] =
+{packed_key_deleted, packed_key_empty};
+void
+dstack_set_top(dict_stack_t * pds)
+{
+    ds_ptr dsp = pds->stack.p;
+    dict *pdict = dsp->value.pdict;
+
+    if_debug3('d', "[d]dsp = 0x%lx -> 0x%lx, key array type = %d\n",
+	      (ulong) dsp, (ulong) pdict, r_type(&pdict->keys));
+    if (dict_is_packed(pdict) &&
+	r_has_attr(dict_access_ref(dsp), a_read)
+	) {
+	pds->top_keys = pdict->keys.value.packed;
+	pds->top_npairs = npairs(pdict);
+	pds->top_values = pdict->values.value.refs;
+    } else {
+	pds->top_keys = no_packed_keys;
+	pds->top_npairs = 1;
+    }
+    if (!r_has_attr(dict_access_ref(dsp), a_write))
+	pds->def_space = -1;
+    else
+	pds->def_space = r_space(dsp);
+}
+
+/* After a garbage collection, scan the permanent dictionaries and */
+/* update the cached value pointers in names. */
+void
+dstack_gc_cleanup(dict_stack_t * pds)
+{
+    uint count = ref_stack_count(&pds->stack);
+    uint dsi;
+
+    for (dsi = pds->min_size; dsi > 0; --dsi) {
+	const dict *pdict =
+	ref_stack_index(&pds->stack, count - dsi)->value.pdict;
+	uint size = nslots(pdict);
+	ref *pvalue = pdict->values.value.refs;
+	uint i;
+
+	for (i = 0; i < size; ++i, ++pvalue) {
+	    ref key;
+	    ref *old_pvalue;
+
+	    array_get(&pdict->keys, (long)i, &key);
+	    if (r_has_type(&key, t_name) &&
+		pv_valid(old_pvalue = key.value.pname->pvalue)
+		) {		/*
+				 * The name only has a single definition,
+				 * so it must be this one.  Check to see if
+				 * no relocation is actually needed; if so,
+				 * we can skip the entire dictionary.
+				 */
+		if (old_pvalue == pvalue) {
+		    if_debug1('d', "[d]skipping dstack entry %d\n",
+			      dsi - 1);
+		    break;
+		}
+		/* Update the value pointer. */
+		key.value.pname->pvalue = pvalue;
+	    }
+	}
+    }
+}
diff --git a/pstoraster/idstack.h b/pstoraster/idstack.h
new file mode 100644
index 000000000..887b10eb3
--- /dev/null
+++ b/pstoraster/idstack.h
@@ -0,0 +1,125 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic dictionary stack API */
+
+#ifndef idstack_INCLUDED
+#  define idstack_INCLUDED
+
+#include "istack.h"
+
+/* Define the dictionary stack structure. */
+typedef struct dict_stack_s {
+
+    ref_stack stack;		/* the actual stack of dictionaries */
+
+/*
+ * Switching between Level 1 and Level 2 involves inserting and removing
+ * globaldict on the dictionary stack.  Instead of truly inserting and
+ * removing entries, we replace globaldict by a copy of systemdict in
+ * Level 1 mode.  min_dstack_size, the minimum number of entries, does not
+ * change depending on language level; the countdictstack and dictstack
+ * operators must take this into account.
+ */
+    uint min_size;		/* size of stack after clearing */
+
+    int userdict_index;		/* index of userdict on stack */
+
+/*
+ * Cache a value for fast checking of def operations.
+ * If the top entry on the dictionary stack is a writable dictionary,
+ * dsspace is the space of the dictionary; if it is a non-writable
+ * dictionary, dsspace = -1.  Then def is legal precisely if
+ * r_space(pvalue) <= dsspace.  Note that in order for this trick to work,
+ * the result of r_space must be a signed integer; some compilers treat
+ * enums as unsigned, probably in violation of the ANSI standard.
+ */
+    int def_space;
+
+/*
+ * Cache values for fast name lookup.  If the top entry on the dictionary
+ * stack is a readable dictionary with packed keys, dtop_keys, dtop_npairs,
+ * and dtop_values are keys.value.packed, npairs, and values.value.refs
+ * for that dictionary; otherwise, these variables point to a dummy
+ * empty dictionary.
+ */
+    const ref_packed *top_keys;
+    uint top_npairs;
+    ref *top_values;
+
+/*
+ * Cache a copy of the bottom entry on the stack, which is never deleted.
+ */
+    ref system_dict;
+
+} dict_stack_t;
+
+/*
+ * Reset the cached top values.  Every routine that alters the
+ * dictionary stack (including changing the protection or size of the
+ * top dictionary on the stack) must call this.
+ */
+void dstack_set_top(P1(dict_stack_t *));
+
+/* Check whether a dictionary is one of the permanent ones on the d-stack. */
+bool dstack_dict_is_permanent(P2(const dict_stack_t *, const ref *));
+
+/* Define the type of pointers into the dictionary stack. */
+typedef s_ptr ds_ptr;
+typedef const_s_ptr const_ds_ptr;
+
+/* Clean up a dictionary stack after a garbage collection. */
+void dstack_gc_cleanup(P1(dict_stack_t *));
+
+/*
+ * Define a special fast entry for name lookup on a dictionary stack.
+ * The key is known to be a name; search the entire dict stack.
+ * Return the pointer to the value slot.
+ * If the name isn't found, just return 0.
+ */
+ref *dstack_find_name_by_index(P2(dict_stack_t *, uint));
+
+/*
+ * Define an extra-fast macro for name lookup, optimized for
+ * a single-probe lookup in the top dictionary on the stack.
+ * Amazingly enough, this seems to hit over 90% of the time
+ * (aside from operators, of course, which are handled either with
+ * the special cache pointer or with 'bind').
+ */
+#define dstack_find_name_by_index_inline(pds,nidx,htemp)\
+  ((pds)->top_keys[htemp = dict_hash_mod_inline(dict_name_index_hash(nidx),\
+     (pds)->top_npairs) + 1] == pt_tag(pt_literal_name) + (nidx) ?\
+   (pds)->top_values + htemp : dstack_find_name_by_index(pds, nidx))
+/*
+ * Define a similar macro that only checks the top dictionary on the stack.
+ */
+#define if_dstack_find_name_by_index_top(pds,nidx,htemp,pvslot)\
+  if ( (((pds)->top_keys[htemp = dict_hash_mod_inline(dict_name_index_hash(nidx),\
+	 (pds)->top_npairs) + 1] == pt_tag(pt_literal_name) + (nidx)) ?\
+	((pvslot) = (pds)->top_values + (htemp), 1) :\
+	0)\
+     )
+
+#endif /* idstack_INCLUDED */
diff --git a/pstoraster/iestack.h b/pstoraster/iestack.h
new file mode 100644
index 000000000..751f99bcd
--- /dev/null
+++ b/pstoraster/iestack.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic execution stack API */
+
+#ifndef iestack_INCLUDED
+#  define iestack_INCLUDED
+
+#include "istack.h"
+
+/* Define the execution stack structure. */
+typedef struct exec_stack_s {
+
+    ref_stack stack;		/* the actual execution stack */
+
+/*
+ * To improve performance, we cache the currentfile pointer
+ * (i.e., `shallow-bind' it in Lisp terminology).  The invariant is as
+ * follows: either esfile points to the currentfile slot on the estack
+ * (i.e., the topmost slot with an executable file), or it is 0.
+ * To maintain the invariant, it is sufficient that whenever a routine
+ * pushes or pops anything on the estack, if the object *might* be
+ * an executable file, invoke esfile_clear_cache(); alternatively,
+ * immediately after pushing an object, invoke esfile_check_cache().
+ */
+    ref *current_file;
+
+} exec_stack_t;
+
+/* Define pointers into the execution stack. */
+typedef s_ptr es_ptr;
+typedef const_s_ptr const_es_ptr;
+
+#endif /* iestack_INCLUDED */
diff --git a/pstoraster/ifilter.h b/pstoraster/ifilter.h
new file mode 100644
index 000000000..9d0803bd7
--- /dev/null
+++ b/pstoraster/ifilter.h
@@ -0,0 +1,89 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires oper.h, stream.h, strimpl.h */
+
+#ifndef ifilter_INCLUDED
+#  define ifilter_INCLUDED
+
+#include "istream.h"
+#include "ivmspace.h"
+
+/*
+ * Define the utility procedures for creating filters.
+ * Note that a filter will be allocated in global VM iff the source/target
+ * and all relevant parameters (if any) are in global VM.
+ */
+int filter_read(P5(
+	/* Operand stack pointer that was passed to zfxxx operator */
+		      os_ptr op,
+	/* # of parameters to pop off o-stack, */
+	/* not counting the source/target */
+		      int npop,
+	/* Template for stream */
+		      const stream_template * template,
+	/* Initialized s_xxx_state, 0 if no separate state */
+		      stream_state * st,
+	/* Max of space attributes of all parameters referenced by */
+	/* the state, 0 if no such parameters */
+		      uint space
+		));
+int filter_write(P5(os_ptr op, int npop, const stream_template * template,
+		    stream_state * st, uint space));
+
+/*
+ * Define a simplified interface for streams with no parameters or state.
+ * These procedures also pop the top o-stack element if it is a dictionary.
+ */
+int filter_read_simple(P2(os_ptr op, const stream_template * template));
+int filter_write_simple(P2(os_ptr op, const stream_template * template));
+
+/* Mark a filter stream as temporary. */
+/* See stream.h for the meaning of is_temp. */
+void filter_mark_temp(P2(const ref * fop, int is_temp));
+
+/* Define a standard report_error procedure for filters, */
+/* that records the error message in $error.errorinfo. */
+stream_proc_report_error(filter_report_error);
+
+/*
+ * Define the state of a procedure-based stream.
+ * Note that procedure-based streams are defined at the Ghostscript
+ * interpreter level, unlike all other stream types which depend only
+ * on the stream package and the memory manager.
+ */
+typedef struct stream_proc_state_s {
+    stream_state_common;
+    bool eof;
+    uint index;			/* current index within data */
+    ref proc;
+    ref data;
+} stream_proc_state;
+
+#define private_st_stream_proc_state() /* in zfproc.c */\
+  gs_private_st_complex_only(st_sproc_state, stream_proc_state,\
+    "procedure stream state", sproc_clear_marks, sproc_enum_ptrs, sproc_reloc_ptrs, 0)
+
+#endif /* ifilter_INCLUDED */
diff --git a/pstoraster/ifont.h b/pstoraster/ifont.h
new file mode 100644
index 000000000..857a18741
--- /dev/null
+++ b/pstoraster/ifont.h
@@ -0,0 +1,97 @@
+/* Copyright (C) 1989, 1991, 1993, 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter internal font representation */
+
+#ifndef ifont_INCLUDED
+#  define ifont_INCLUDED
+
+#include "gsccode.h"		/* for gs_glyph */
+#include "gsstruct.h"		/* for extern_st */
+
+/* The external definition of fonts is given in the PostScript manual, */
+/* pp. 91-93. */
+
+/* The structure given below is 'client data' from the viewpoint */
+/* of the library.  font-type objects (t_struct/st_font, "t_fontID") */
+/* point directly to a gs_font.  */
+
+typedef struct font_data_s {
+    ref dict;			/* font dictionary object */
+    ref BuildChar;
+    ref BuildGlyph;
+    ref Encoding;
+    ref CharStrings;
+    union _fs {
+	struct _f1 {
+	    ref OtherSubrs;	/* from Private dictionary */
+	    ref Subrs;		/* from Private dictionary */
+	    ref GlobalSubrs;	/* from Private dictionary, */
+	    /* for Type 2 charstrings */
+	} type1;
+	struct _f42 {
+	    ref sfnts;
+	    ref GlyphDirectory;
+	} type42;
+    } u;
+} font_data;
+
+/*
+ * Even though the interpreter's part of the font data actually
+ * consists of refs, allocating it as refs tends to create sandbars;
+ * since it is always allocated and freed as a unit, we can treat it
+ * as an ordinary structure.
+ */
+/* st_font_data is exported for zdefault_make_font in zfont.c. */
+extern_st(st_font_data);
+#define public_st_font_data()	/* in zfont2.c */\
+  gs_public_st_ref_struct(st_font_data, font_data, "font_data")
+#define pfont_data(pfont) ((font_data *)((pfont)->client_data))
+#define pfont_dict(pfont) (&pfont_data(pfont)->dict)
+
+/* Registered encodings, for the benefit of platform fonts, `seac', */
+/* and compiled font initialization. */
+/* This is a t_array ref that points to the encodings. */
+#define registered_Encodings_countof 5
+extern ref registered_Encodings;
+
+#define registered_Encoding(i) (registered_Encodings.value.refs[i])
+#define StandardEncoding registered_Encoding(0)
+
+/* Internal procedures shared between modules */
+
+/* In zchar.c */
+int font_bbox_param(P2(const ref * pfdict, double bbox[4]));
+
+/* In zfont.c */
+#ifndef gs_font_DEFINED
+#  define gs_font_DEFINED
+typedef struct gs_font_s gs_font;
+
+#endif
+int font_param(P2(const ref * pfdict, gs_font ** ppfont));
+bool zfont_mark_glyph_name(P2(gs_glyph glyph, void *ignore_data));
+
+#endif /* ifont_INCLUDED */
diff --git a/pstoraster/ifunc.h b/pstoraster/ifunc.h
new file mode 100644
index 000000000..26c4c2fc0
--- /dev/null
+++ b/pstoraster/ifunc.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal interpreter interfaces for Functions */
+
+#ifndef ifunc_INCLUDED
+#  define ifunc_INCLUDED
+
+/* Define build procedures for the various function types. */
+#define build_function_proc(proc)\
+  int proc(P4(const_os_ptr op, const gs_function_params_t *params, int depth,\
+	      gs_function_t **ppfn))
+build_function_proc(build_function_undefined);
+
+/* Define the table of build procedures, indexed by FunctionType. */
+extern build_function_proc((*build_function_procs[5]));
+
+/* Build a function structure from a PostScript dictionary. */
+int fn_build_sub_function(P3(const ref * op, gs_function_t ** ppfn, int depth));
+
+#define fn_build_function(op, ppfn)\
+  fn_build_sub_function(op, ppfn, 0)
+
+/* Allocate an array of function objects. */
+int ialloc_function_array(P2(uint count, gs_function_t *** pFunctions));
+
+/*
+ * Collect a heap-allocated array of floats.  If the key is missing, set
+ * *pparray = 0 and return 0; otherwise set *pparray and return the number
+ * of elements.  Note that 0-length arrays are acceptable, so if the value
+ * returned is 0, the caller must check whether *pparray == 0.
+ */
+int fn_build_float_array(P5(const ref * op, const char *kstr, bool required,
+			    bool even, const float **pparray));
+
+#endif /* ifunc_INCLUDED */
diff --git a/pstoraster/igc.c b/pstoraster/igc.c
new file mode 100644
index 000000000..9305e77e1
--- /dev/null
+++ b/pstoraster/igc.c
@@ -0,0 +1,1316 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Garbage collector for Ghostscript */
+#include "memory_.h"
+#include "ghost.h"
+#include "errors.h"
+#include "gsexit.h"
+#include "gsmdebug.h"
+#include "gsstruct.h"
+#include "gsutil.h"
+#include "iastate.h"
+#include "isave.h"
+#include "isstate.h"
+#include "idict.h"
+#include "ipacked.h"
+#include "istruct.h"
+#include "igc.h"
+#include "igcstr.h"
+#include "inamedef.h"
+#include "opdef.h"		/* for marking oparray names */
+
+/* Define whether to force all garbage collections to be global. */
+private bool I_FORCE_GLOBAL_GC = false;
+
+/* Define whether to bypass the collector entirely. */
+private bool I_BYPASS_GC = false;
+
+/* Avoid including all of iname.h. */
+extern name_table *the_gs_name_table;
+
+/* Define an entry on the mark stack. */
+typedef struct {
+    void *ptr;
+    uint index;
+    bool is_refs;
+} ms_entry;
+
+/* Define (a segment of) the mark stack. */
+/* entries[0] has ptr = 0 to indicate the bottom of the stack. */
+/* count additional entries follow this structure. */
+typedef struct gc_mark_stack_s gc_mark_stack;
+struct gc_mark_stack_s {
+    gc_mark_stack *prev;
+    gc_mark_stack *next;
+    uint count;
+    bool on_heap;		/* if true, allocated during GC */
+    ms_entry entries[1];
+};
+
+/* Define the mark stack sizing parameters. */
+#define ms_size_default 100	/* default, allocated on C stack */
+/* This should probably be defined as a parameter somewhere.... */
+#define ms_size_desired		/* for additional allocation */\
+ ((max_ushort - sizeof(gc_mark_stack)) / sizeof(ms_entry) - 10)
+#define ms_size_min 50		/* min size for segment in free block */
+
+/* Forward references */
+private void gc_init_mark_stack(P2(gc_mark_stack *, uint));
+private void gc_objects_clear_marks(P1(chunk_t *));
+private void gc_unmark_names(P1(name_table *));
+private int gc_trace(P3(gs_gc_root_t *, gc_state_t *, gc_mark_stack *));
+private int gc_rescan_chunk(P3(chunk_t *, gc_state_t *, gc_mark_stack *));
+private int gc_trace_chunk(P3(chunk_t *, gc_state_t *, gc_mark_stack *));
+private bool gc_trace_finish(P1(gc_state_t *));
+private void gc_clear_reloc(P1(chunk_t *));
+private void gc_objects_set_reloc(P1(chunk_t *));
+private void gc_do_reloc(P3(chunk_t *, gs_ref_memory_t *, gc_state_t *));
+private void gc_objects_compact(P2(chunk_t *, gc_state_t *));
+private void gc_free_empty_chunks(P1(gs_ref_memory_t *));
+
+/* Forward references for pointer types */
+private ptr_proc_unmark(ptr_struct_unmark);
+private ptr_proc_mark(ptr_struct_mark);
+private ptr_proc_unmark(ptr_string_unmark);
+private ptr_proc_mark(ptr_string_mark);
+
+					/*ptr_proc_unmark(ptr_ref_unmark); *//* in igc.h */
+					/*ptr_proc_mark(ptr_ref_mark); *//* in igc.h */
+private ptr_proc_reloc(igc_reloc_struct_ptr, void);
+
+string_proc_reloc(igc_reloc_string);	/* in igcstr.c */
+const_string_proc_reloc(igc_reloc_const_string);	/* in igcstr.c */
+ptr_proc_reloc(igc_reloc_ref_ptr, ref_packed);	/* in igcref.c */
+refs_proc_reloc(igc_reloc_refs);	/* in igcref.c */
+
+/* Define this GC's procedure vector. */
+private const gc_procs_with_refs_t igc_procs =
+{
+    igc_reloc_struct_ptr, igc_reloc_string, igc_reloc_const_string,
+    igc_reloc_ref_ptr, igc_reloc_refs
+};
+
+/* Pointer type descriptors. */
+/* Note that the trace/mark routine has special knowledge of ptr_ref_type */
+/* and ptr_struct_type -- it assumes that no other types have embedded */
+/* pointers.  Note also that the reloc procedures for string and ref */
+/* pointers are never called. */
+typedef ptr_proc_reloc((*ptr_proc_reloc_t), void);
+const gs_ptr_procs_t ptr_struct_procs =
+{ptr_struct_unmark, ptr_struct_mark, (ptr_proc_reloc_t) igc_reloc_struct_ptr};
+const gs_ptr_procs_t ptr_string_procs =
+{ptr_string_unmark, ptr_string_mark, NULL};
+const gs_ptr_procs_t ptr_const_string_procs =
+{ptr_string_unmark, ptr_string_mark, NULL};
+const gs_ptr_procs_t ptr_ref_procs =
+{ptr_ref_unmark, ptr_ref_mark, NULL};
+
+/* ------ Main program ------ */
+
+/* Top level of garbage collector. */
+#ifdef DEBUG
+private void
+end_phase(const char *str)
+{
+    if (gs_debug_c('6')) {
+	dlprintf1("[6]---------------- end %s ----------------\n",
+		  (const char *)str);
+	fflush(dstderr);
+    }
+}
+static const char *const depth_dots_string = "..........";
+private const char *
+depth_dots(const ms_entry * sp, const gc_mark_stack * pms)
+{
+    int depth = sp - pms->entries - 1;
+    const gc_mark_stack *pss = pms;
+
+    while ((pss = pss->prev) != 0)
+	depth += pss->count - 1;
+    return depth_dots_string + (depth >= 10 ? 0 : 10 - depth);
+}
+#else
+#  define end_phase(str) DO_NOTHING
+#endif
+void
+gs_reclaim(vm_spaces * pspaces, bool global)
+{
+    vm_spaces spaces;
+
+#define nspaces (i_vm_max + 1)
+    gs_gc_root_t space_roots[nspaces];
+    int max_trace;		/* max space to trace */
+    int min_collect;		/* min space to collect */
+    int ispace;
+    gs_ref_memory_t *mem;
+    chunk_t *cp;
+    gs_gc_root_t *rp;
+    gc_state_t state;
+    struct _msd {
+	gc_mark_stack stack;
+	ms_entry body[ms_size_default];
+    } ms_default;
+    gc_mark_stack *mark_stack = &ms_default.stack;
+
+    /* Optionally force global GC for debugging. */
+    if (I_FORCE_GLOBAL_GC)
+	global = true;
+
+    /* Determine which spaces we are collecting. */
+    spaces = *pspaces;
+    if (space_global != space_local)
+	max_trace = i_vm_local;
+    else
+	max_trace = i_vm_global;
+    min_collect = (global ? 1 : max_trace);
+
+#define for_spaces(i, n)\
+  for ( i = 1; i <= n; ++i )
+#define for_collected_spaces(i)\
+  for ( i = min_collect; i <= max_trace; ++i )
+#define for_space_mems(i, mem)\
+  for ( mem = spaces.indexed[i]; mem != 0; mem = &mem->saved->state )
+#define for_mem_chunks(mem, cp)\
+  for ( cp = (mem)->cfirst; cp != 0; cp = cp->cnext )
+#define for_space_chunks(i, mem, cp)\
+  for_space_mems(i, mem) for_mem_chunks(mem, cp)
+#define for_chunks(n, mem, cp)\
+  for_spaces(ispace, n) for_space_chunks(ispace, mem, cp)
+#define for_collected_chunks(mem, cp)\
+  for_collected_spaces(ispace) for_space_chunks(ispace, mem, cp)
+#define for_roots(n, mem, rp)\
+  for_spaces(ispace, n)\
+    for ( mem = spaces.indexed[ispace], rp = mem->roots; rp != 0; rp = rp->next )
+
+    /* Initialize the state. */
+    state.procs = &igc_procs;
+    state.loc.memory = spaces.named.global;	/* any one will do */
+
+    state.loc.cp = 0;
+    state.spaces = spaces;
+    state.min_collect = min_collect << r_space_shift;
+    state.relocating_untraced = false;
+    state.heap = state.loc.memory->parent;
+    state.ntable = the_gs_name_table;
+
+    /* Register the allocators themselves as roots, */
+    /* so we mark and relocate the change and save lists properly. */
+
+    for_spaces(ispace, max_trace)
+	gs_register_struct_root((gs_memory_t *) spaces.indexed[ispace],
+				&space_roots[ispace],
+				(void **)&spaces.indexed[ispace],
+				"gc_top_level");
+
+    end_phase("register space roots");
+
+#ifdef DEBUG
+
+    /* Pre-validate the state.  This shouldn't be necessary.... */
+
+    for_spaces(ispace, max_trace)
+	ialloc_validate_memory(spaces.indexed[ispace], &state);
+
+    end_phase("pre-validate pointers");
+
+#endif
+
+    if (I_BYPASS_GC) {		/* Don't collect at all. */
+	goto no_collect;
+    }
+    /* Clear marks in spaces to be collected. */
+
+    for_collected_spaces(ispace)
+	for_space_chunks(ispace, mem, cp) {
+	gc_objects_clear_marks(cp);
+	gc_strings_set_marks(cp, false);
+    }
+
+    end_phase("clear chunk marks");
+
+    /* Clear the marks of roots.  We must do this explicitly, */
+    /* since some roots are not in any chunk. */
+
+    for_roots(max_trace, mem, rp) {
+	void *vptr = *rp->p;
+
+	if_debug_root('6', "[6]unmarking root", rp);
+	(*rp->ptype->unmark) (vptr, &state);
+    }
+
+    end_phase("clear root marks");
+
+    if (global)
+	gc_unmark_names(state.ntable);
+
+    /* Initialize the (default) mark stack. */
+
+    gc_init_mark_stack(&ms_default.stack, ms_size_default);
+    ms_default.stack.prev = 0;
+    ms_default.stack.on_heap = false;
+
+    /* Add all large-enough free blocks to the mark stack. */
+    /* Also initialize the rescan pointers. */
+
+    {
+	gc_mark_stack *end = mark_stack;
+
+	for_chunks(max_trace, mem, cp) {
+	    uint avail = cp->ctop - cp->cbot;
+
+	    if (avail >= sizeof(gc_mark_stack) + sizeof(ms_entry) *
+		ms_size_min &&
+		!cp->inner_count
+		) {
+		gc_mark_stack *pms = (gc_mark_stack *) cp->cbot;
+
+		gc_init_mark_stack(pms, (avail - sizeof(gc_mark_stack)) /
+				   sizeof(ms_entry));
+		end->next = pms;
+		pms->prev = end;
+		pms->on_heap = false;
+		if_debug2('6', "[6]adding free 0x%lx(%u) to mark stack\n",
+			  (ulong) pms, pms->count);
+	    }
+	    cp->rescan_bot = cp->cend;
+	    cp->rescan_top = cp->cbase;
+	}
+    }
+
+    /* Mark reachable objects. */
+
+    {
+	int more = 0;
+
+	/* Mark from roots. */
+
+	for_roots(max_trace, mem, rp) {
+	    if_debug_root('6', "[6]marking root", rp);
+	    more |= gc_trace(rp, &state, mark_stack);
+	}
+
+	end_phase("mark");
+
+	/* If this is a local GC, mark from non-local chunks. */
+
+	if (!global)
+	    for_chunks(min_collect - 1, mem, cp)
+		more |= gc_trace_chunk(cp, &state, mark_stack);
+
+	/* Handle mark stack overflow. */
+
+	while (more < 0) {	/* stack overflowed */
+	    more = 0;
+	    for_chunks(max_trace, mem, cp)
+		more |= gc_rescan_chunk(cp, &state, mark_stack);
+	}
+
+	end_phase("mark overflow");
+    }
+
+    /* Free the mark stack. */
+
+    {
+	gc_mark_stack *pms = mark_stack;
+
+	while (pms->next)
+	    pms = pms->next;
+	while (pms) {
+	    gc_mark_stack *prev = pms->prev;
+
+	    if (pms->on_heap)
+		gs_free_object(state.heap, pms, "gc mark stack");
+	    else
+		gs_alloc_fill(pms, gs_alloc_fill_free,
+			      sizeof(*pms) + sizeof(ms_entry) * pms->count);
+	    pms = prev;
+	}
+    }
+
+    end_phase("free mark stack");
+
+    if (global) {
+	gc_trace_finish(&state);
+	names_trace_finish(state.ntable, &state);
+
+	end_phase("finish trace");
+    }
+    /* Clear marks and relocation in spaces that are only being traced. */
+    /* We have to clear the marks first, because we want the */
+    /* relocation to wind up as o_untraced, not o_unmarked. */
+
+    for_chunks(min_collect - 1, mem, cp)
+	gc_objects_clear_marks(cp);
+
+    end_phase("post-clear marks");
+
+    for_chunks(min_collect - 1, mem, cp)
+	gc_clear_reloc(cp);
+
+    end_phase("clear reloc");
+
+    /* Set the relocation of roots outside any chunk to o_untraced, */
+    /* so we won't try to relocate pointers to them. */
+    /* (Currently, there aren't any.) */
+
+    /* Disable freeing in the allocators of the spaces we are */
+    /* collecting, so finalization procedures won't cause problems. */
+    {
+	int i;
+
+	for_collected_spaces(i)
+	    gs_enable_free((gs_memory_t *) spaces.indexed[i], false);
+    }
+
+    /* Compute relocation based on marks, in the spaces */
+    /* we are going to compact.  Also finalize freed objects. */
+
+    for_collected_chunks(mem, cp) {
+	gc_objects_set_reloc(cp);
+	gc_strings_set_reloc(cp);
+    }
+
+    /* Re-enable freeing. */
+    {
+	int i;
+
+	for_collected_spaces(i)
+	    gs_enable_free((gs_memory_t *) spaces.indexed[i], true);
+    }
+
+    end_phase("set reloc");
+
+    /* Relocate pointers. */
+
+    state.relocating_untraced = true;
+    for_chunks(min_collect - 1, mem, cp)
+	gc_do_reloc(cp, mem, &state);
+    state.relocating_untraced = false;
+    for_collected_chunks(mem, cp)
+	gc_do_reloc(cp, mem, &state);
+
+    end_phase("relocate chunks");
+
+    for_roots(max_trace, mem, rp) {
+	if_debug3('6', "[6]relocating root 0x%lx: 0x%lx -> 0x%lx\n",
+		  (ulong) rp, (ulong) rp->p, (ulong) * rp->p);
+	if (rp->ptype == ptr_ref_type) {
+	    ref *pref = (ref *) * rp->p;
+
+	    igc_reloc_refs((ref_packed *) pref,
+			   (ref_packed *) (pref + 1),
+			   &state);
+	} else
+	    *rp->p = (*rp->ptype->reloc) (*rp->p, &state);
+	if_debug3('6', "[6]relocated root 0x%lx: 0x%lx -> 0x%lx\n",
+		  (ulong) rp, (ulong) rp->p, (ulong) * rp->p);
+    }
+
+    end_phase("relocate roots");
+
+    /* Compact data.  We only do this for spaces we are collecting. */
+
+    for_collected_spaces(ispace) {
+	for_space_mems(ispace, mem) {
+	    for_mem_chunks(mem, cp) {
+		if_debug_chunk('6', "[6]compacting chunk", cp);
+		gc_objects_compact(cp, &state);
+		gc_strings_compact(cp);
+		if_debug_chunk('6', "[6]after compaction:", cp);
+		if (mem->pcc == cp)
+		    mem->cc = *cp;
+	    }
+	    mem->saved = mem->reloc_saved;
+	    ialloc_reset_free(mem);
+	}
+    }
+
+    end_phase("compact");
+
+    /* Free empty chunks. */
+
+    for_collected_spaces(ispace)
+	for_space_mems(ispace, mem)
+	gc_free_empty_chunks(mem);
+
+    end_phase("free empty chunks");
+
+    /*
+     * Update previous_status to reflect any freed chunks,
+     * and set inherited to the negative of allocated,
+     * so it has no effect.  We must update previous_status by
+     * working back-to-front along the save chain, using pointer reversal.
+     * (We could update inherited in any order, since it only uses
+     * information local to the individual save level.)
+     */
+
+    for_collected_spaces(ispace) {	/* Reverse the pointers. */
+	alloc_save_t *curr;
+	alloc_save_t *prev = 0;
+	alloc_save_t *next;
+	gs_memory_status_t total;
+
+	for (curr = spaces.indexed[ispace]->saved; curr != 0;
+	     prev = curr, curr = next
+	    ) {
+	    next = curr->state.saved;
+	    curr->state.saved = prev;
+	}
+	/* Now work the other way, accumulating the values. */
+	total.allocated = 0, total.used = 0;
+	for (curr = prev, prev = 0; curr != 0;
+	     prev = curr, curr = next
+	    ) {
+	    mem = &curr->state;
+	    next = mem->saved;
+	    mem->saved = prev;
+	    mem->previous_status = total;
+	    if_debug3('6',
+		      "[6]0x%lx previous allocated=%lu, used=%lu\n",
+		      (ulong) mem, total.allocated, total.used);
+	    gs_memory_status((gs_memory_t *) mem, &total);
+	    mem->gc_allocated = mem->allocated + total.allocated;
+	    mem->inherited = -mem->allocated;
+	}
+	mem = spaces.indexed[ispace];
+	mem->previous_status = total;
+	mem->gc_allocated = mem->allocated + total.allocated;
+	if_debug3('6', "[6]0x%lx previous allocated=%lu, used=%lu\n",
+		  (ulong) mem, total.allocated, total.used);
+    }
+
+    end_phase("update stats");
+
+  no_collect:
+
+    /* Unregister the allocator roots. */
+
+    for_spaces(ispace, max_trace)
+	gs_unregister_root((gs_memory_t *) spaces.indexed[ispace],
+			   &space_roots[ispace], "gc_top_level");
+
+    end_phase("unregister space roots");
+
+#ifdef DEBUG
+
+    /* Validate the state.  This shouldn't be necessary.... */
+
+    for_spaces(ispace, max_trace)
+	ialloc_validate_memory(spaces.indexed[ispace], &state);
+
+    end_phase("validate pointers");
+
+#endif
+}
+
+/* ------ Debugging utilities ------ */
+
+/* Validate a pointer to an object header. */
+#ifdef DEBUG
+#  define debug_check_object(pre, cp, gcst)\
+     ialloc_validate_object((pre) + 1, cp, gcst)
+#else
+#  define debug_check_object(pre, cp, gcst) DO_NOTHING
+#endif
+
+/* ------ Unmarking phase ------ */
+
+/* Unmark a single struct. */
+private void
+ptr_struct_unmark(void *vptr, gc_state_t * ignored)
+{
+    if (vptr != 0)
+	o_set_unmarked(((obj_header_t *) vptr - 1));
+}
+
+/* Unmark a single string. */
+private void
+ptr_string_unmark(void *vptr, gc_state_t * gcst)
+{
+    discard(gc_string_mark(((gs_string *) vptr)->data,
+			   ((gs_string *) vptr)->size,
+			   false, gcst));
+}
+
+/* Unmark the objects in a chunk. */
+private void
+gc_objects_clear_marks(chunk_t * cp)
+{
+    if_debug_chunk('6', "[6]unmarking chunk", cp);
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+	struct_proc_clear_marks((*proc)) =
+	pre->o_type->clear_marks;
+#ifdef DEBUG
+    if (pre->o_type != &st_free)
+	debug_check_object(pre, cp, NULL);
+#endif
+    if_debug3('7', " [7](un)marking %s(%lu) 0x%lx\n",
+	      struct_type_name_string(pre->o_type),
+	      (ulong) size, (ulong) pre);
+    o_set_unmarked(pre);
+    if (proc != 0)
+	(*proc) (pre + 1, size, pre->o_type);
+    END_OBJECTS_SCAN
+}
+
+/* Mark 0- and 1-character names, and those referenced from the */
+/* op_array_nx_table, and unmark all the rest. */
+private void
+gc_unmark_names(name_table * nt)
+{
+    register uint i;
+
+    names_unmark_all(nt);
+    for (i = 0; i < op_array_table_global.count; i++) {
+	name_index_t nidx = op_array_table_global.nx_table[i];
+
+	names_index_ptr(nt, nidx)->mark = 1;
+    }
+    for (i = 0; i < op_array_table_local.count; i++) {
+	name_index_t nidx = op_array_table_local.nx_table[i];
+
+	names_index_ptr(nt, nidx)->mark = 1;
+    }
+}
+
+/* ------ Marking phase ------ */
+
+/* Initialize (a segment of) the mark stack. */
+private void
+gc_init_mark_stack(gc_mark_stack * pms, uint count)
+{
+    pms->next = 0;
+    pms->count = count;
+    pms->entries[0].ptr = 0;
+    pms->entries[0].index = 0;
+    pms->entries[0].is_refs = false;
+}
+
+/* Mark starting from all marked objects in the interval of a chunk */
+/* needing rescanning. */
+private int
+gc_rescan_chunk(chunk_t * cp, gc_state_t * pstate, gc_mark_stack * pmstack)
+{
+    byte *sbot = cp->rescan_bot;
+    byte *stop = cp->rescan_top;
+    gs_gc_root_t root;
+    void *comp;
+    int more = 0;
+
+    if (sbot > stop)
+	return 0;
+    root.p = &comp;
+    if_debug_chunk('6', "[6]rescanning chunk", cp);
+    cp->rescan_bot = cp->cend;
+    cp->rescan_top = cp->cbase;
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+	if ((byte *) (pre + 1) + size < sbot);
+    else if ((byte *) (pre + 1) > stop)
+	return more;		/* 'break' won't work here */
+    else {
+	if_debug2('7', " [7]scanning/marking 0x%lx(%lu)\n",
+		  (ulong) pre, (ulong) size);
+	if (pre->o_type == &st_refs) {
+	    ref_packed *rp = (ref_packed *) (pre + 1);
+	    char *end = (char *)rp + size;
+
+	    root.ptype = ptr_ref_type;
+	    while ((char *)rp < end) {
+		comp = rp;
+		if (r_is_packed(rp)) {
+		    if (r_has_pmark(rp)) {
+			r_clear_pmark(rp);
+			more |= gc_trace(&root, pstate,
+					 pmstack);
+		    }
+		    rp++;
+		} else {
+		    if (r_has_attr((ref *) rp, l_mark)) {
+			r_clear_attrs((ref *) rp, l_mark);
+			more |= gc_trace(&root, pstate,
+					 pmstack);
+		    }
+		    rp += packed_per_ref;
+		}
+	    }
+	} else if (!o_is_unmarked(pre)) {
+	    struct_proc_clear_marks((*proc)) =
+		pre->o_type->clear_marks;
+	    root.ptype = ptr_struct_type;
+	    comp = pre + 1;
+	    if (!o_is_untraced(pre))
+		o_set_unmarked(pre);
+	    if (proc != 0)
+		(*proc) (comp, size, pre->o_type);
+	    more |= gc_trace(&root, pstate, pmstack);
+	}
+    }
+    END_OBJECTS_SCAN
+	return more;
+}
+
+/* Mark starting from all the objects in a chunk. */
+/* We assume that pstate->min_collect > avm_system, */
+/* so we don't have to trace names. */
+private int
+gc_trace_chunk(chunk_t * cp, gc_state_t * pstate, gc_mark_stack * pmstack)
+{
+    gs_gc_root_t root;
+    void *comp;
+    int more = 0;
+    int min_trace = pstate->min_collect;
+
+    root.p = &comp;
+    if_debug_chunk('6', "[6]marking from chunk", cp);
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+    {
+	if_debug2('7', " [7]scanning/marking 0x%lx(%lu)\n",
+		  (ulong) pre, (ulong) size);
+	if (pre->o_type == &st_refs) {
+	    ref_packed *rp = (ref_packed *) (pre + 1);
+	    char *end = (char *)rp + size;
+
+	    root.ptype = ptr_ref_type;
+	    while ((char *)rp < end) {
+		comp = rp;
+		if (r_is_packed(rp)) {	/* No packed refs need tracing. */
+		    rp++;
+		} else {
+		    if (r_space((ref *) rp) >= min_trace) {
+			r_clear_attrs((ref *) rp, l_mark);
+			more |= gc_trace(&root, pstate,
+					 pmstack);
+		    }
+		    rp += packed_per_ref;
+		}
+	    }
+	} else if (!o_is_unmarked(pre)) {
+	    if (!o_is_untraced(pre))
+		o_set_unmarked(pre);
+	    if (pre->o_type != &st_free) {
+		struct_proc_clear_marks((*proc)) =
+		    pre->o_type->clear_marks;
+
+		root.ptype = ptr_struct_type;
+		comp = pre + 1;
+		if (proc != 0)
+		    (*proc) (comp, size, pre->o_type);
+		more |= gc_trace(&root, pstate, pmstack);
+	    }
+	}
+    }
+    END_OBJECTS_SCAN
+	return more;
+}
+
+/* Recursively mark from a (root) pointer. */
+/* Return -1 if we overflowed the mark stack, */
+/* 0 if we completed successfully without marking any new objects, */
+/* 1 if we completed and marked some new objects. */
+private int gc_extend_stack(P2(gc_mark_stack *, gc_state_t *));
+private int
+gc_trace(gs_gc_root_t * rp, gc_state_t * pstate, gc_mark_stack * pmstack)
+{
+    int min_trace = pstate->min_collect;
+    gc_mark_stack *pms = pmstack;
+    ms_entry *sp = pms->entries + 1;
+
+    /* We stop the mark stack 1 entry early, because we store into */
+    /* the entry beyond the top. */
+    ms_entry *stop = sp + pms->count - 2;
+    int new = 0;
+    void *nptr = *rp->p;
+    name_table *nt = pstate->ntable;
+
+#define mark_name(nidx, pname)\
+  { if ( !pname->mark )\
+     {  pname->mark = 1;\
+	new |= 1;\
+	if_debug2('8', "  [8]marked name 0x%lx(%u)\n", (ulong)pname, nidx);\
+     }\
+  }
+
+    if (nptr == 0)
+	return 0;
+
+    /* Initialize the stack */
+    sp->ptr = nptr;
+    if (rp->ptype == ptr_ref_type)
+	sp->index = 1, sp->is_refs = true;
+    else {
+	sp->index = 0, sp->is_refs = false;
+	if ((*rp->ptype->mark) (nptr, pstate))
+	    new |= 1;
+    }
+    for (;;) {
+	gs_ptr_type_t ptp;
+
+	/*
+	 * The following should really be an if..else, but that
+	 * would force unnecessary is_refs tests.
+	 */
+	if (sp->is_refs)
+	    goto do_refs;
+
+	/* ---------------- Structure ---------------- */
+
+      do_struct:
+	{
+	    obj_header_t *ptr = sp->ptr;
+
+	    struct_proc_enum_ptrs((*mproc));
+
+	    if (ptr == 0) {	/* We've reached the bottom of a stack segment. */
+		pms = pms->prev;
+		if (pms == 0)
+		    break;	/* all done */
+		stop = pms->entries + pms->count - 1;
+		sp = stop;
+		continue;
+	    }
+	    debug_check_object(ptr - 1, NULL, NULL);
+	  ts:if_debug4('7', " [7]%smarking %s 0x%lx[%u]",
+		      depth_dots(sp, pms),
+		      struct_type_name_string(ptr[-1].o_type),
+		      (ulong) ptr, sp->index);
+	    mproc = ptr[-1].o_type->enum_ptrs;
+	    /* The cast in the following statement is the one */
+	    /* place we need to break 'const' to make the */
+	    /* template for pointer enumeration work. */
+	    if (mproc == gs_no_struct_enum_ptrs ||
+		(ptp = (*mproc)
+		 (ptr, pre_obj_contents_size(ptr - 1),
+		  sp->index, (const void **)&nptr,
+		  ptr[-1].o_type, pstate)) == 0
+		) {
+		if_debug0('7', " - done\n");
+		sp--;
+		continue;
+	    }
+	    sp->index++;
+	    if_debug1('7', " = 0x%lx\n", (ulong) nptr);
+	    /* Descend into nptr, whose pointer type is ptp. */
+	    if (ptp == ptr_struct_type) {
+		sp[1].index = 0;
+		sp[1].is_refs = false;
+		if (sp == stop)
+		    goto push;
+		if (!ptr_struct_mark(nptr, pstate))
+		    goto ts;
+		new |= 1;
+		(++sp)->ptr = nptr;
+		goto do_struct;
+	    } else if (ptp == ptr_ref_type) {
+		sp[1].index = 1;
+		sp[1].is_refs = true;
+		if (sp == stop)
+		    goto push;
+		new |= 1;
+		(++sp)->ptr = nptr;
+		goto do_refs;
+	    } else {		/* We assume this is some non-pointer- */
+		/* containing type. */
+		if ((*ptp->mark) (nptr, pstate))
+		    new |= 1;
+		goto ts;
+	    }
+	}
+
+	/* ---------------- Refs ---------------- */
+
+      do_refs:
+	{
+	    ref_packed *pptr = sp->ptr;
+	    ref *rptr;
+
+	  tr:if (!sp->index) {
+		--sp;
+		continue;
+	    }
+	    --(sp->index);
+	    if_debug3('8', "  [8]%smarking refs 0x%lx[%u]\n",
+		      depth_dots(sp, pms), (ulong) pptr, sp->index);
+	    if (r_is_packed((ref *) pptr)) {
+		if (!r_has_pmark(pptr)) {
+		    r_set_pmark(pptr);
+		    new |= 1;
+		    if (r_packed_is_name(pptr)) {
+			name_index_t nidx = packed_name_index(pptr);
+			name *pname = names_index_ptr(nt, nidx);
+
+			mark_name(nidx, pname);
+		    }
+		}
+		++pptr;
+		goto tr;
+	    }
+	    if (r_has_attr((ref *) pptr, l_mark)) {
+		pptr = (ref_packed *) ((ref *) pptr + 1);
+		goto tr;
+	    }
+	    rptr = (ref *) pptr;	/* * const beyond here */
+	    r_set_attrs(rptr, l_mark);
+	    new |= 1;
+	    if (r_space(rptr) < min_trace) {	/* Note that this always picks up all scalars. */
+		pptr = (ref_packed *) (rptr + 1);
+		goto tr;
+	    }
+	    sp->ptr = rptr + 1;
+	    switch (r_type(rptr)) {
+		    /* Struct cases */
+		case t_file:
+		    nptr = rptr->value.pfile;
+		  rs:sp[1].is_refs = false;
+		    sp[1].index = 0;
+		    if (sp == stop) {
+			ptp = ptr_struct_type;
+			break;
+		    }
+		    if (!ptr_struct_mark(nptr, pstate))
+			goto nr;
+		    new |= 1;
+		    (++sp)->ptr = nptr;
+		    goto do_struct;
+		case t_device:
+		    nptr = rptr->value.pdevice;
+		    goto rs;
+		case t_fontID:
+		case t_struct:
+		case t_astruct:
+		    nptr = rptr->value.pstruct;
+		    goto rs;
+		    /* Non-trivial non-struct cases */
+		case t_dictionary:
+		    nptr = rptr->value.pdict;
+		    sp[1].index = sizeof(dict) / sizeof(ref);
+		    goto rrp;
+		case t_array:
+		    nptr = rptr->value.refs;
+		  rr:if ((sp[1].index = r_size(rptr)) == 0) {	/* Set the base pointer to 0, */
+			/* so we never try to relocate it. */
+			rptr->value.refs = 0;
+			goto nr;
+		    }
+		  rrp:
+		  rrc:sp[1].is_refs = true;
+		    if (sp == stop)
+			break;
+		    new |= 1;
+		    (++sp)->ptr = nptr;
+		    goto do_refs;
+		case t_mixedarray:
+		case t_shortarray:
+		    nptr = (void *)rptr->value.packed;	/* discard const */
+		    goto rr;
+		case t_name:
+		    mark_name(names_index(nt, rptr), rptr->value.pname);
+		  nr:pptr = (ref_packed *) (rptr + 1);
+		    goto tr;
+		case t_string:
+		    if (gc_string_mark(rptr->value.bytes, r_size(rptr), true, pstate))
+			new |= 1;
+		    goto nr;
+		case t_oparray:
+		    nptr = (void *)rptr->value.const_refs;	/* discard const */
+		    sp[1].index = 1;
+		    goto rrc;
+		default:
+		    goto nr;
+	    }
+	}
+
+	/* ---------------- Recursion ---------------- */
+
+      push:
+	if (sp == stop) {	/* The current segment is full. */
+	    int new_added = gc_extend_stack(pms, pstate);
+
+	    if (new_added) {
+		new |= new_added;
+		continue;
+	    }
+	    pms = pms->next;
+	    stop = pms->entries + pms->count - 1;
+	    pms->entries[1] = sp[1];
+	    sp = pms->entries;
+	}
+	/* index and is_refs are already set */
+	if (!sp[1].is_refs) {
+	    if (!(*ptp->mark) (nptr, pstate))
+		continue;
+	    new |= 1;
+	}
+	(++sp)->ptr = nptr;
+    }
+    return new;
+}
+/* Link to, attempting to allocate if necessary, */
+/* another chunk of mark stack. */
+private int
+gc_extend_stack(gc_mark_stack * pms, gc_state_t * pstate)
+{
+    if (pms->next == 0) {	/* Try to allocate another segment. */
+	uint count;
+
+	for (count = ms_size_desired; count >= ms_size_min; count >>= 1) {
+	    pms->next = (gc_mark_stack *)
+		gs_alloc_bytes_immovable(pstate->heap,
+					 sizeof(gc_mark_stack) +
+					 sizeof(ms_entry) * count,
+					 "gc mark stack");
+	    if (pms->next != 0)
+		break;
+	}
+	if (pms->next == 0) {	/* The mark stack overflowed. */
+	    ms_entry *sp = pms->entries + pms->count - 1;
+	    byte *cptr = sp->ptr;	/* container */
+	    chunk_t *cp = gc_locate(cptr, pstate);
+	    int new = 1;
+
+	    if (cp == 0) {	/* We were tracing outside collectible */
+		/* storage.  This can't happen. */
+		lprintf1("mark stack overflowed while outside collectible space at 0x%lx!\n",
+			 (ulong) cptr);
+		gs_abort();
+	    }
+	    if (cptr < cp->rescan_bot)
+		cp->rescan_bot = cptr, new = -1;
+	    if (cptr > cp->rescan_top)
+		cp->rescan_top = cptr, new = -1;
+	    return new;
+	}
+	gc_init_mark_stack(pms->next, count);
+	pms->next->prev = pms;
+	pms->next->on_heap = true;
+    }
+    return 0;
+}
+
+/* Mark a struct.  Return true if new mark. */
+private bool
+ptr_struct_mark(void *vptr, gc_state_t * ignored)
+{
+    obj_header_t *ptr = vptr;
+
+    if (vptr == 0)
+	return false;
+    ptr--;			/* point to header */
+    if (!o_is_unmarked(ptr))
+	return false;
+    o_mark(ptr);
+    return true;
+}
+
+/* Mark a string.  Return true if new mark. */
+private bool
+ptr_string_mark(void *vptr, gc_state_t * gcst)
+{
+    return gc_string_mark(((gs_string *) vptr)->data,
+			  ((gs_string *) vptr)->size,
+			  true, gcst);
+}
+
+/* Finish tracing by marking names. */
+private bool
+gc_trace_finish(gc_state_t * pstate)
+{
+    name_table *nt = pstate->ntable;
+    name_index_t nidx = 0;
+    bool marked = false;
+
+    while ((nidx = names_next_valid_index(nt, nidx)) != 0) {
+	name *pname = names_index_ptr(nt, nidx);
+
+	if (pname->mark) {
+	    if (!pname->foreign_string &&
+		gc_string_mark(pname->string_bytes, pname->string_size,
+			       true, pstate)
+		)
+		marked = true;
+	    marked |=
+		ptr_struct_mark(names_index_ptr_sub_table(nt, nidx, pname),
+				pstate);
+	}
+    }
+    return marked;
+}
+
+/* ------ Relocation planning phase ------ */
+
+/* Initialize the relocation information in the chunk header. */
+private void
+gc_init_reloc(chunk_t * cp)
+{
+    chunk_head_t *chead = cp->chead;
+
+    chead->dest = cp->cbase;
+    chead->free.o_back =
+	offset_of(chunk_head_t, free) >> obj_back_shift;
+    chead->free.o_size = sizeof(obj_header_t);
+    chead->free.o_nreloc = 0;
+}
+
+/* Set marks and clear relocation for chunks that won't be compacted. */
+private void
+gc_clear_reloc(chunk_t * cp)
+{
+    byte *pfree = (byte *) & cp->chead->free;
+
+    gc_init_reloc(cp);
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+	const struct_shared_procs_t *procs =
+    pre->o_type->shared;
+
+    if (procs != 0)
+	(*procs->clear_reloc) (pre, size);
+    o_set_untraced(pre);
+    if (!pre->o_large)
+	pre->o_back = ((byte *) pre - pfree) >> obj_back_shift;
+    END_OBJECTS_SCAN
+	gc_strings_set_marks(cp, true);
+    gc_strings_clear_reloc(cp);
+}
+
+/* Set the relocation for the objects in a chunk. */
+/* This will never be called for a chunk with any o_untraced objects. */
+private void
+gc_objects_set_reloc(chunk_t * cp)
+{
+    uint reloc = 0;
+    chunk_head_t *chead = cp->chead;
+    byte *pfree = (byte *) & chead->free;	/* most recent free object */
+
+    if_debug_chunk('6', "[6]setting reloc for chunk", cp);
+    gc_init_reloc(cp);
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+	struct_proc_finalize((*finalize));
+    const struct_shared_procs_t *procs =
+    pre->o_type->shared;
+
+    if ((procs == 0 ? o_is_unmarked(pre) :
+	 !(*procs->set_reloc) (pre, reloc, size))
+	) {			/* Free object */
+	reloc += sizeof(obj_header_t) + obj_align_round(size);
+	if ((finalize = pre->o_type->finalize) != 0) {
+	    if_debug2('u', "[u]GC finalizing %s 0x%lx\n",
+		      struct_type_name_string(pre->o_type),
+		      (ulong) (pre + 1));
+	    (*finalize) (pre + 1);
+	}
+	if (pre->o_large) {	/* We should chop this up into small */
+	    /* free blocks, but there's no value */
+	    /* in doing this right now. */
+	    o_set_unmarked_large(pre);
+	} else {
+	    pfree = (byte *) pre;
+	    pre->o_back =
+		(pfree - (byte *) chead) >> obj_back_shift;
+	    pre->o_nreloc = reloc;
+	}
+	if_debug3('7', " [7]at 0x%lx, unmarked %lu, new reloc = %u\n",
+		  (ulong) pre, (ulong) size, reloc);
+    } else {			/* Useful object */
+	debug_check_object(pre, cp, NULL);
+	if (pre->o_large) {
+	    if (o_is_unmarked_large(pre))
+		o_mark_large(pre);
+	} else
+	    pre->o_back =
+		((byte *) pre - pfree) >> obj_back_shift;
+    }
+    END_OBJECTS_SCAN
+#ifdef DEBUG
+	if (reloc != 0) {
+	if_debug1('6', "[6]freed %u", reloc);
+	if_debug_chunk('6', " in", cp);
+    }
+#endif
+}
+
+/* ------ Relocation phase ------ */
+
+/* Relocate the pointers in all the objects in a chunk. */
+private void
+gc_do_reloc(chunk_t * cp, gs_ref_memory_t * mem, gc_state_t * pstate)
+{
+    chunk_head_t *chead = cp->chead;
+
+    if_debug_chunk('6', "[6]relocating in chunk", cp);
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+    /* We need to relocate the pointers in an object iff */
+    /* it is o_untraced, or it is a useful object. */
+    /* An object is free iff its back pointer points to */
+    /* the chunk_head structure. */
+	if (o_is_untraced(pre) ||
+	    (pre->o_large ? !o_is_unmarked(pre) :
+	     pre->o_back << obj_back_shift !=
+	     (byte *) pre - (byte *) chead)
+	) {
+	struct_proc_reloc_ptrs((*proc)) =
+	    pre->o_type->reloc_ptrs;
+
+	if_debug3('7',
+		  " [7]relocating ptrs in %s(%lu) 0x%lx\n",
+		  struct_type_name_string(pre->o_type),
+		  (ulong) size, (ulong) pre);
+	if (proc != 0)
+	    (*proc) (pre + 1, size, pre->o_type, pstate);
+    }
+    END_OBJECTS_SCAN
+}
+
+/* Print pointer relocation if debugging. */
+/* We have to provide this procedure even if DEBUG is not defined, */
+/* in case one of the other GC modules was compiled with DEBUG. */
+void *
+print_reloc_proc(const void *obj, const char *cname, void *robj)
+{
+    if_debug3('9', "  [9]relocate %s * 0x%lx to 0x%lx\n",
+	      cname, (ulong) obj, (ulong) robj);
+    return robj;
+}
+
+/* Relocate a pointer to an (aligned) object. */
+/* See gsmemory.h for why the argument is const and the result is not. */
+private void /*obj_header_t */ *
+igc_reloc_struct_ptr(const void /*obj_header_t */ *obj, gc_state_t * gcst)
+{
+    const obj_header_t *const optr = (const obj_header_t *)obj;
+    const void *robj;
+
+    if (obj == 0)
+	return print_reloc(obj, "NULL", 0);
+    debug_check_object(optr - 1, NULL, gcst);
+    /* The following should be a conditional expression, */
+    /* but Sun's cc compiler can't handle it. */
+    if (optr[-1].o_large)
+	robj = obj;
+    else {
+	uint back = optr[-1].o_back;
+
+	if (back == o_untraced)
+	    robj = obj;
+	else {
+#ifdef DEBUG
+	    /* Do some sanity checking. */
+	    if (back > gcst->space_local->chunk_size >> obj_back_shift) {
+		lprintf2("Invalid back pointer %u at 0x%lx!\n",
+			 back, (ulong) obj);
+		gs_abort();
+	    }
+#endif
+	    {
+		const obj_header_t *pfree = (const obj_header_t *)
+		((const char *)(optr - 1) -
+		 (back << obj_back_shift));
+		const chunk_head_t *chead = (const chunk_head_t *)
+		((const char *)pfree -
+		 (pfree->o_back << obj_back_shift));
+
+		robj = chead->dest +
+		    ((const char *)obj - (const char *)(chead + 1) -
+		     pfree->o_nreloc);
+	    }
+	}
+    }
+    return print_reloc(obj,
+		       struct_type_name_string(optr[-1].o_type),
+		       (void *)robj);	/* discard const */
+}
+
+/* ------ Compaction phase ------ */
+
+/* Compact the objects in a chunk. */
+/* This will never be called for a chunk with any o_untraced objects. */
+private void
+gc_objects_compact(chunk_t * cp, gc_state_t * gcst)
+{
+    chunk_head_t *chead = cp->chead;
+    obj_header_t *dpre = (obj_header_t *) chead->dest;
+
+    SCAN_CHUNK_OBJECTS(cp)
+	DO_ALL
+    /* An object is free iff its back pointer points to */
+    /* the chunk_head structure. */
+	if ((pre->o_large ? !o_is_unmarked(pre) :
+	     pre->o_back << obj_back_shift !=
+	     (byte *) pre - (byte *) chead)
+	) {
+	const struct_shared_procs_t *procs =
+	pre->o_type->shared;
+
+	debug_check_object(pre, cp, gcst);
+	if_debug4('7',
+		  " [7]compacting %s 0x%lx(%lu) to 0x%lx\n",
+		  struct_type_name_string(pre->o_type),
+		  (ulong) pre, (ulong) size, (ulong) dpre);
+	if (procs == 0) {
+	    if (dpre != pre)
+		memmove(dpre, pre,
+			sizeof(obj_header_t) + size);
+	} else
+	    (*procs->compact) (pre, dpre, size);
+	dpre = (obj_header_t *)
+	    ((byte *) dpre + obj_size_round(size));
+    }
+    END_OBJECTS_SCAN
+	if (cp->outer == 0 && chead->dest != cp->cbase)
+	dpre = (obj_header_t *) cp->cbase;	/* compacted this chunk into another */
+    gs_alloc_fill(dpre, gs_alloc_fill_collected, cp->cbot - (byte *) dpre);
+    cp->cbot = (byte *) dpre;
+    cp->rcur = 0;
+    cp->rtop = 0;		/* just to be sure */
+}
+
+/* ------ Cleanup ------ */
+
+/* Free empty chunks. */
+private void
+gc_free_empty_chunks(gs_ref_memory_t * mem)
+{
+    chunk_t *cp;
+    chunk_t *csucc;
+
+    /* Free the chunks in reverse order, */
+    /* to encourage LIFO behavior. */
+    for (cp = mem->clast; cp != 0; cp = csucc) {	/* Make sure this isn't an inner chunk, */
+	/* or a chunk that has inner chunks. */
+	csucc = cp->cprev;	/* save before freeing */
+	if (cp->cbot == cp->cbase && cp->ctop == cp->climit &&
+	    cp->outer == 0 && cp->inner_count == 0
+	    ) {
+	    alloc_free_chunk(cp, mem);
+	    if (mem->pcc == cp)
+		mem->pcc = 0;
+	}
+    }
+}
diff --git a/pstoraster/igc.h b/pstoraster/igc.h
new file mode 100644
index 000000000..876edc8f9
--- /dev/null
+++ b/pstoraster/igc.h
@@ -0,0 +1,102 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal interfaces in Ghostscript GC */
+
+#ifndef igc_INCLUDED
+#  define igc_INCLUDED
+
+#include "istruct.h"
+
+/* Define the procedures shared among a "genus" of structures. */
+/* Currently there are only two genera: refs, and all other structures. */
+struct struct_shared_procs_s {
+
+    /* Clear the relocation information in an object. */
+
+#define gc_proc_clear_reloc(proc)\
+  void proc(P2(obj_header_t *pre, uint size))
+    gc_proc_clear_reloc((*clear_reloc));
+
+    /* Compute any internal relocation for a marked object. */
+    /* Return true if the object should be kept. */
+    /* The reloc argument shouldn't be required, */
+    /* but we need it for ref objects. */
+
+#define gc_proc_set_reloc(proc)\
+  bool proc(P3(obj_header_t *pre, uint reloc, uint size))
+    gc_proc_set_reloc((*set_reloc));
+
+    /* Compact an object. */
+
+#define gc_proc_compact(proc)\
+  void proc(P3(obj_header_t *pre, obj_header_t *dpre, uint size))
+    gc_proc_compact((*compact));
+
+};
+
+/* Define the structure for holding GC state. */
+						/*typedef struct gc_state_s gc_state_t; *//* in gsstruct.h */
+#ifndef name_table_DEFINED
+#  define name_table_DEFINED
+typedef struct name_table_s name_table;
+
+#endif
+struct gc_state_s {
+    const gc_procs_with_refs_t *procs;	/* must be first */
+    chunk_locator_t loc;
+    vm_spaces spaces;
+    int min_collect;		/* avm_space */
+    bool relocating_untraced;	/* if true, we're relocating */
+    /* pointers from untraced spaces */
+    gs_raw_memory_t *heap;	/* for extending mark stack */
+    name_table *ntable;		/* (implicitly referenced by names) */
+};
+
+/* Exported by igcref.c for igc.c */
+void ptr_ref_unmark(P2(void *, gc_state_t *));
+bool ptr_ref_mark(P2(void *, gc_state_t *));
+
+/*ref_packed *gs_reloc_ref_ptr(P2(const ref_packed *, gc_state_t *)); */
+
+/* Exported by ilocate.c for igc.c */
+void ialloc_validate_memory(P2(const gs_ref_memory_t *, gc_state_t *));
+void ialloc_validate_chunk(P2(const chunk_t *, gc_state_t *));
+void ialloc_validate_object(P3(const obj_header_t *, const chunk_t *,
+			       gc_state_t *));
+
+/* Macro for returning a relocated pointer */
+#ifdef DEBUG
+void *print_reloc_proc(P3(const void *obj, const char *cname, void *robj));
+
+#  define print_reloc(obj, cname, nobj)\
+	(gs_debug_c('9') ? print_reloc_proc(obj, cname, nobj) :\
+	 (void *)(nobj))
+#else
+#  define print_reloc(obj, cname, nobj)\
+	(void *)(nobj)
+#endif
+
+#endif /* igc_INCLUDED */
diff --git a/pstoraster/igcref.c b/pstoraster/igcref.c
new file mode 100644
index 000000000..ed98849fc
--- /dev/null
+++ b/pstoraster/igcref.c
@@ -0,0 +1,681 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* ref garbage collector for Ghostscript */
+#include "memory_.h"
+#include "ghost.h"
+#include "gsexit.h"
+#include "gsstruct.h"		/* for gxalloc.h included by iastate.h */
+#include "iname.h"
+#include "iastate.h"
+#include "idebug.h"
+#include "igc.h"
+#include "ipacked.h"
+#include "store.h"		/* for ref_assign_inline */
+
+/* Define whether to trace every step of relocating ref pointers. */
+#if 0
+#  define rputc(c) dputc(c)
+#else
+#  define rputc(c) DO_NOTHING
+#endif
+
+/* Forward references */
+ptr_proc_reloc(igc_reloc_ref_ptr, ref_packed);
+refs_proc_reloc(igc_reloc_refs);
+
+/*
+ * Define the 'structure' type descriptor for refs.
+ * This is special because it has different shared procs.
+ */
+private gc_proc_clear_reloc(refs_clear_reloc);
+private gc_proc_set_reloc(refs_set_reloc);
+private gc_proc_compact(refs_compact);
+private const struct_shared_procs_t refs_shared_procs =
+{refs_clear_reloc, refs_set_reloc, refs_compact};
+private struct_proc_clear_marks(refs_clear_marks);
+private struct_proc_reloc_ptrs(refs_do_reloc);
+const gs_memory_struct_type_t st_refs =
+{sizeof(ref), "refs", &refs_shared_procs, refs_clear_marks, 0, refs_do_reloc};
+
+/*
+ * Define the GC procedures for structs that actually contain refs.
+ * These are special because the shared refs_* procedures
+ * are never called.  Instead, we unmark the individual refs in clear_marks,
+ * disregard refs_*_reloc (because we will never relocate a ptr_ref_type
+ * pointer pointing into the structure), disregard refs_compact (because
+ * compaction is never required), and remove the marks in reloc_ptrs.
+ * See also the comment about ptr_ref_type in imemory.h.
+ */
+CLEAR_MARKS_PROC(ref_struct_clear_marks)
+{
+    ref *pref = (ref *) vptr;
+    ref *end = (ref *) ((char *)vptr + size);
+
+    for (; pref < end; pref++)
+	r_clear_attrs(pref, l_mark);
+}
+ENUM_PTRS_BEGIN_PROC(ref_struct_enum_ptrs)
+{
+    if (index >= size / sizeof(ref))
+	return 0;
+    *pep = (ref *) vptr + index;
+    return ptr_ref_type;
+    ENUM_PTRS_END_PROC
+}
+RELOC_PTRS_BEGIN(ref_struct_reloc_ptrs)
+{
+    ref *beg = vptr;
+    ref *end = (ref *) ((char *)vptr + size);
+
+    igc_reloc_refs((ref_packed *) beg, (ref_packed *) end, gcst);
+    ref_struct_clear_marks(vptr, size, pstype);
+} RELOC_PTRS_END
+
+/* ------ Unmarking phase ------ */
+
+/* Unmark a single ref. */
+void
+ptr_ref_unmark(void *vptr, gc_state_t * ignored)
+{
+    if (r_is_packed((ref *) vptr))
+	r_clear_pmark((ref_packed *) vptr);
+    else
+	r_clear_attrs((ref *) vptr, l_mark);
+}
+
+/* Unmarking routine for ref objects. */
+private void
+refs_clear_marks(void /*obj_header_t */ *vptr, uint size,
+		 const gs_memory_struct_type_t * pstype)
+{
+    ref_packed *rp = (ref_packed *) vptr;
+    ref_packed *end = (ref_packed *) ((byte *) vptr + size);
+
+    /* Since the last ref is full-size, we only need to check for */
+    /* the end of the block when we see one of those. */
+    for (;;) {
+	if (r_is_packed(rp)) {
+#ifdef DEBUG
+	    if (gs_debug_c('8')) {
+		dlprintf1("  [8]unmark packed 0x%lx ", (ulong) rp);
+		debug_print_ref((const ref *)rp);
+		dputs("\n");
+	    }
+#endif
+	    r_clear_pmark(rp);
+	    rp++;
+	} else {		/* full-size ref */
+#ifdef DEBUG
+	    if (gs_debug_c('8')) {
+		dlprintf1("  [8]unmark ref 0x%lx ", (ulong) rp);
+		debug_print_ref((ref *) rp);
+		dputs("\n");
+	    }
+#endif
+	    r_clear_attrs((ref *) rp, l_mark);
+	    rp += packed_per_ref;
+	    if (rp >= (ref_packed *) end)
+		break;
+	}
+    }
+}
+
+/* ------ Marking phase ------ */
+
+/* Mark a ref.  Return true if new mark. */
+bool
+ptr_ref_mark(void *vptr, gc_state_t * ignored)
+{
+    if (r_is_packed(vptr)) {
+	if (r_has_pmark((ref_packed *) vptr))
+	    return false;
+	r_set_pmark((ref_packed *) vptr);
+    } else {
+	if (r_has_attr((ref *) vptr, l_mark))
+	    return false;
+	r_set_attrs((ref *) vptr, l_mark);
+    }
+    return true;
+}
+
+/* ------ Relocation planning phase ------ */
+
+/*
+ * We store relocation in the size field of refs that don't use it,
+ * so that we don't have to scan all the way to an unmarked object.
+ * We must avoid nulls, which sometimes have useful information
+ * in their size fields, and the types above t_next_index, which are
+ * actually operators in disguise and also use the size field.
+ */
+
+/* Clear the relocation for a ref object. */
+private void
+refs_clear_reloc(obj_header_t * hdr, uint size)
+{
+    register ref_packed *rp = (ref_packed *) (hdr + 1);
+    ref_packed *end = (ref_packed *) ((byte *) rp + size);
+
+    while (rp < end) {
+	if (r_is_packed(rp))
+	    rp++;
+	else {			/* full-size ref *//* Store the relocation here if possible. */
+	    if (!ref_type_uses_size_or_null(r_type((ref *) rp))) {
+		if_debug1('8',
+			  "  [8]clearing reloc at 0x%lx\n",
+			  (ulong) rp);
+		r_set_size((ref *) rp, 0);
+	    }
+	    rp += packed_per_ref;
+	}
+    }
+}
+
+/* Set the relocation for a ref object. */
+private bool
+refs_set_reloc(obj_header_t * hdr, uint reloc, uint size)
+{
+    ref_packed *rp = (ref_packed *) (hdr + 1);
+    ref_packed *end = (ref_packed *) ((byte *) rp + size);
+    uint freed = 0;
+
+    /*
+     * We have to be careful to keep refs aligned properly.
+     * For the moment, we do this by either keeping or discarding
+     * an entire (aligned) block of align_packed_per_ref packed elements
+     * as a unit.  We know that align_packed_per_ref <= packed_per_ref,
+     * and we also know that packed refs are always allocated in blocks
+     * of align_packed_per_ref, so this makes things relatively easy.
+     */
+    while (rp < end) {
+	if (r_is_packed(rp)) {
+#if align_packed_per_ref == 1
+	    if (r_has_pmark(rp)) {
+		if_debug1('8',
+			  "  [8]packed ref 0x%lx is marked\n",
+			  (ulong) rp);
+		rp++;
+	    } else {
+#else
+	    int i;
+
+	    /*
+	     * Note: align_packed_per_ref is typically
+	     * 2 or 4 for 32-bit processors.
+	     */
+#define all_marked (align_packed_per_ref * lp_mark)
+# if align_packed_per_ref == 2
+#  if arch_sizeof_long == arch_sizeof_short * 2
+#    undef all_marked
+#    define all_marked ( ((long)lp_mark << (sizeof(short) * 8)) + lp_mark )
+#    define marked (*(long *)rp & all_marked)
+#  else
+#    define marked ((*rp & lp_mark) + (rp[1] & lp_mark))
+#  endif
+# else
+#  if align_packed_per_ref == 4
+#    define marked ((*rp & lp_mark) + (rp[1] & lp_mark) +\
+		    (rp[2] & lp_mark) + (rp[3] & lp_mark))
+#  else
+	    uint marked = *rp & lp_mark;
+
+	    for (i = 1; i < align_packed_per_ref; i++)
+		marked += rp[i] & lp_mark;
+#  endif
+# endif
+	    /*
+	     * Now marked is lp_mark * the number of marked
+	     * packed refs in the aligned block, except for
+	     * a couple of special cases above.
+	     */
+	    switch (marked) {
+		case all_marked:
+		    if_debug2('8',
+			      "  [8]packed refs 0x%lx..0x%lx are marked\n",
+			      (ulong) rp,
+			      (ulong) (rp + (align_packed_per_ref - 1)));
+		    rp += align_packed_per_ref;
+		    break;
+		default:
+		    /* At least one packed ref in the block */
+		    /* is marked: Keep the whole block. */
+		    for (i = align_packed_per_ref; i--; rp++) {
+			r_set_pmark(rp);
+			if_debug1('8',
+				  "  [8]packed ref 0x%lx is marked\n",
+				  (ulong) rp);
+		    }
+		    break;
+		case 0:
+#endif
+		    if_debug2('8', "  [8]%d packed ref(s) at 0x%lx are unmarked\n",
+			      align_packed_per_ref, (ulong) rp);
+		    {
+			uint rel = reloc + freed;
+
+			/* Change this to an integer so we can */
+			/* store the relocation here. */
+			*rp = pt_tag(pt_integer) +
+			    min(rel, packed_max_value);
+		    }
+		    rp += align_packed_per_ref;
+		    freed += sizeof(ref_packed) * align_packed_per_ref;
+	    }
+	} else {		/* full-size ref */
+	    uint rel = reloc + freed;
+
+	    /* The following assignment is logically */
+	    /* unnecessary; we do it only for convenience */
+	    /* in debugging. */
+	    ref *pref = (ref *) rp;
+
+	    if (!r_has_attr(pref, l_mark)) {
+		if_debug1('8', "  [8]ref 0x%lx is unmarked\n",
+			  (ulong) pref);
+		/* Change this to a mark so we can */
+		/* store the relocation. */
+		r_set_type(pref, t_mark);
+		r_set_size(pref, rel);
+		freed += sizeof(ref);
+	    } else {
+		if_debug1('8', "  [8]ref 0x%lx is marked\n",
+			  (ulong) pref);
+		/* Store the relocation here if possible. */
+		if (!ref_type_uses_size_or_null(r_type(pref))) {
+		    if_debug2('8', "  [8]storing reloc %u at 0x%lx\n",
+			      rel, (ulong) pref);
+		    r_set_size(pref, rel);
+		}
+	    }
+	    rp += packed_per_ref;
+	}
+    }
+    if_debug3('7', " [7]at end of refs 0x%lx, size = %u, freed = %u\n",
+	      (ulong) (hdr + 1), size, freed);
+    if (freed == size)
+	return false;
+#if arch_sizeof_int > arch_sizeof_short
+    /*
+     * If the final relocation can't fit in the r_size field
+     * (which can't happen if the object shares a chunk with
+     * any other objects, so we know reloc = 0 in this case),
+     * we have to keep the entire object unless there are no
+     * references to any ref in it.
+     */
+    if (freed <= max_ushort)
+	return true;
+    /*
+     * We have to mark all surviving refs, but we also must
+     * overwrite any non-surviving refs with something that
+     * doesn't contain any pointers.
+     */
+    rp = (ref_packed *) (hdr + 1);
+    while (rp < end) {
+	if (r_is_packed(rp)) {
+	    if (!r_has_pmark(rp))
+		*rp = pt_tag(pt_integer) | lp_mark;
+	    ++rp;
+	} else {		/* The following assignment is logically */
+	    /* unnecessary; we do it only for convenience */
+	    /* in debugging. */
+	    ref *pref = (ref *) rp;
+
+	    if (!r_has_attr(pref, l_mark)) {
+		r_set_type_attrs(pref, t_mark, l_mark);
+		r_set_size(pref, reloc);
+	    } else {
+		if (!ref_type_uses_size_or_null(r_type(pref)))
+		    r_set_size(pref, reloc);
+	    }
+	    rp += packed_per_ref;
+	}
+    }
+    /* The last ref has to remain unmarked. */
+    r_clear_attrs((ref *) rp - 1, l_mark);
+#endif
+    return true;
+}
+
+/* ------ Relocation phase ------ */
+
+/* Relocate all the pointers in a block of refs. */
+private void
+refs_do_reloc(void /*obj_header_t */ *vptr, uint size,
+	      const gs_memory_struct_type_t * pstype, gc_state_t * gcst)
+{
+    igc_reloc_refs((ref_packed *) vptr,
+		   (ref_packed *) ((char *)vptr + size),
+		   gcst);
+}
+/* Relocate the contents of a block of refs. */
+/* If gcst->relocating_untraced is true, we are relocating pointers from an */
+/* untraced space, so relocate all refs, not just marked ones. */
+void
+igc_reloc_refs(ref_packed * from, ref_packed * to, gc_state_t * gcst)
+{
+    int min_trace = gcst->min_collect;
+    ref_packed *rp = from;
+    bool do_all = gcst->relocating_untraced;
+
+    while (rp < to) {
+	ref *pref;
+
+	if (r_is_packed(rp)) {
+	    rp++;
+	    continue;
+	}
+	/* The following assignment is logically unnecessary; */
+	/* we do it only for convenience in debugging. */
+	pref = (ref *) rp;
+	if_debug3('8', "  [8]relocating %s %d ref at 0x%lx\n",
+		  (r_has_attr(pref, l_mark) ? "marked" : "unmarked"),
+		  r_btype(pref), (ulong) pref);
+	if ((r_has_attr(pref, l_mark) || do_all) &&
+	    r_space(pref) >= min_trace
+	    )
+	    switch (r_type(pref)) {
+		    /* Struct cases */
+		case t_file:
+		    RELOC_VAR(pref->value.pfile);
+		    break;
+		case t_device:
+		    RELOC_VAR(pref->value.pdevice);
+		    break;
+		case t_fontID:
+		case t_struct:
+		case t_astruct:
+		    RELOC_VAR(pref->value.pstruct);
+		    break;
+		    /* Non-trivial non-struct cases */
+		case t_dictionary:
+		    rputc('d');
+		    pref->value.pdict =
+			(dict *) igc_reloc_ref_ptr((ref_packed *) pref->value.pdict, gcst);
+		    break;
+		case t_array:
+		    {
+			uint size = r_size(pref);
+
+			if (size != 0) {	/* value.refs might be NULL *//*
+						 * If the array is large, we allocated it in its
+						 * own object (at least originally -- this might
+						 * be a pointer to a subarray.)  In this case,
+						 * we know it is the only object in its
+						 * containing st_refs object, so we know that
+						 * the mark containing the relocation appears
+						 * just after it.
+						 */
+			    if (size < max_size_st_refs / sizeof(ref)) {
+				rputc('a');
+				pref->value.refs =
+				    (ref *) igc_reloc_ref_ptr(
+				     (ref_packed *) pref->value.refs, gcst);
+			    } else {
+				rputc('A');
+				/*
+				 * See the t_shortarray case below for why we
+				 * decrement size.
+				 */
+				--size;
+				pref->value.refs =
+				    (ref *) igc_reloc_ref_ptr(
+				   (ref_packed *) (pref->value.refs + size),
+							       gcst) - size;
+			    }
+			}
+		    }
+		    break;
+		case t_mixedarray:
+		    if (r_size(pref) != 0) {	/* value.refs might be NULL */
+			rputc('m');
+			pref->value.packed =
+			    igc_reloc_ref_ptr(pref->value.packed, gcst);
+		    }
+		    break;
+		case t_shortarray:
+		    {
+			uint size = r_size(pref);
+
+			/*
+			 * Since we know that igc_reloc_ref_ptr works by
+			 * scanning forward, and we know that all the
+			 * elements of this array itself are marked, we can
+			 * save some scanning time by relocating the pointer
+			 * to the end of the array rather than the
+			 * beginning.
+			 */
+			if (size != 0) {	/* value.refs might be NULL */
+			    rputc('s');
+			    /*
+			     * igc_reloc_ref_ptr has to be able to determine
+			     * whether the pointer points into a space that
+			     * isn't being collected.  It does this by
+			     * checking whether the referent of the pointer
+			     * is marked.  For this reason, we have to pass
+			     * a pointer to the last real element of the
+			     * array, rather than just beyond it.
+			     */
+			    --size;
+			    pref->value.packed =
+				igc_reloc_ref_ptr(pref->value.packed + size,
+						  gcst) - size;
+			}
+		    }
+		    break;
+		case t_name:
+		    {
+			void *psub = name_ref_sub_table(pref);
+			void *rsub = RELOC_OBJ(psub); /* gcst implicit */
+
+			pref->value.pname = (name *)
+			    ((char *)rsub + ((char *)pref->value.pname - (char *)psub));
+		    } break;
+		case t_string:
+		    {
+			gs_string str;
+
+			str.data = pref->value.bytes;
+			str.size = r_size(pref);
+
+			RELOC_STRING_VAR(str);
+			pref->value.bytes = str.data;
+		    }
+		    break;
+		case t_oparray:
+		    rputc('o');
+		    pref->value.const_refs =
+			(const ref *)igc_reloc_ref_ptr((const ref_packed *)pref->value.const_refs, gcst);
+		    break;
+	    }
+	rp += packed_per_ref;
+    }
+}
+
+/* Relocate a pointer to a ref. */
+/* See gsmemory.h for why the argument is const and the result is not. */
+ref_packed *
+igc_reloc_ref_ptr(const ref_packed * prp, gc_state_t * ignored)
+{				/*
+				 * Search forward for relocation.  This algorithm is intrinsically
+				 * very inefficient; we hope eventually to replace it with a better
+				 * one.
+				 */
+    register const ref_packed *rp = prp;
+    uint dec = 0;
+
+    /*
+     * Iff this pointer points into a space that wasn't traced,
+     * the referent won't be marked.  In this case, we shouldn't
+     * do any relocation.  Check for this first.
+     */
+    if (r_is_packed(rp)) {
+	if (!r_has_pmark(rp))
+	    return (ref_packed *) rp;
+    } else {
+	if (!r_has_attr((const ref *)rp, l_mark))
+	    return (ref_packed *) rp;
+    }
+    for (;;) {
+	if (r_is_packed(rp)) {	/*
+				 * Normally, an unmarked packed ref will be an
+				 * integer whose value is the amount of relocation.
+				 * However, the relocation value might have been
+				 * too large to fit.  If this is the case, for
+				 * each such unmarked packed ref we pass over,
+				 * we have to decrement the final relocation.
+				 */
+		rputc((*PACKED(rp) & lp_mark ? '1' : '0'));
+		if (!(*PACKED(rp) & lp_mark)) {
+			if (*PACKED(rp) != pt_tag(pt_integer) + packed_max_value) {
+				/* This is a stored reloacation value. */
+				rputc('\n');
+				return print_reloc(prp, "ref",
+						(ref_packed *)
+						((const char *)prp -
+						 (*rp & packed_value_mask) + dec));
+			}
+		/*
+		 * We know this is the first of an aligned block
+		 * of packed refs.  Skip over the entire block,
+		 * decrementing the final relocation.
+		 */
+		dec += sizeof(ref_packed) * align_packed_per_ref;
+		rp += align_packed_per_ref;
+	    } else
+		rp++;
+	    continue;
+	}
+	if (!ref_type_uses_size_or_null(r_type((const ref *)rp))) {	/* reloc is in r_size */
+	    rputc('\n');
+	    return print_reloc(prp, "ref",
+			       (ref_packed *)
+			       (r_size((const ref *)rp) == 0 ? prp :
+				(const ref_packed *)((const char *)prp - r_size((const ref *)rp) + dec)));
+	}
+	rputc('u');
+	rp += packed_per_ref;
+    }
+}
+
+/* ------ Compaction phase ------ */
+
+/* Compact a ref object. */
+/* Remove the marks at the same time. */
+private void
+refs_compact(obj_header_t * pre, obj_header_t * dpre, uint size)
+{
+    ref_packed *dest;
+    ref_packed *src;
+    ref_packed *end;
+    uint new_size;
+
+    src = (ref_packed *) (pre + 1);
+    end = (ref_packed *) ((byte *) src + size);
+    /*
+     * We know that a block of refs always ends with an unmarked
+     * full-size ref, so we only need to check for reaching the end
+     * of the block when we see one of those.
+     */
+    if (dpre == pre)		/* Loop while we don't need to copy. */
+	for (;;) {
+	    if (r_is_packed(src)) {
+		if (!r_has_pmark(src))
+		    break;
+		if_debug1('8', "  [8]packed ref 0x%lx \"copied\"\n",
+			  (ulong) src);
+		*src &= ~lp_mark;
+		src++;
+	    } else {		/* full-size ref */
+		if (!r_has_attr((ref *) src, l_mark))
+		    break;
+		if_debug1('8', "  [8]ref 0x%lx \"copied\"\n",
+			  (ulong) src);
+		r_clear_attrs((ref *) src, l_mark);
+		src += packed_per_ref;
+	    }
+    } else
+	*dpre = *pre;
+    dest = (ref_packed *) ((char *)dpre + ((char *)src - (char *)pre));
+    for (;;) {
+	if (r_is_packed(src)) {
+	    if (r_has_pmark(src)) {
+		if_debug2('8', "  [8]packed ref 0x%lx copied to 0x%lx\n",
+			  (ulong) src, (ulong) dest);
+		*dest++ = *PACKED(src) & ~lp_mark;
+	    }
+	    src++;
+	} else {		/* full-size ref */
+	    if (r_has_attr((ref *) src, l_mark)) {
+		ref rtemp;
+
+		if_debug2('8', "  [8]ref 0x%lx copied to 0x%lx\n",
+			  (ulong) src, (ulong) dest);
+		/* We can't just use ref_assign_inline, */
+		/* because the source and destination */
+		/* might overlap! */
+		ref_assign_inline(&rtemp, (ref *) src);
+		r_clear_attrs(&rtemp, l_mark);
+		ref_assign_inline((ref *) dest, &rtemp);
+		dest += packed_per_ref;
+		src += packed_per_ref;
+	    } else {		/* check for end of block */
+		src += packed_per_ref;
+		if (src >= end)
+		    break;
+	    }
+	}
+    }
+    new_size = (byte *) dest - (byte *) (dpre + 1) + sizeof(ref);
+#ifdef DEBUG
+    /* Check that the relocation came out OK. */
+    /* NOTE: this check only works within a single chunk. */
+    if ((byte *) src - (byte *) dest != r_size((ref *) src - 1) + sizeof(ref)) {
+	lprintf3("Reloc error for refs 0x%lx: reloc = %lu, stored = %u\n",
+		 (ulong) dpre, (ulong) ((byte *) src - (byte *) dest),
+		 (uint) r_size((ref *) src - 1));
+	gs_exit(1);
+    }
+#endif
+    /* Pad to a multiple of sizeof(ref). */
+    while (new_size & (sizeof(ref) - 1))
+	*dest++ = pt_tag(pt_integer),
+	    new_size += sizeof(ref_packed);
+    /* We want to make the newly freed space into a free block, */
+    /* but we can only do this if we have enough room. */
+    if (size - new_size < sizeof(obj_header_t)) {	/* Not enough room.  Pad to original size. */
+	while (new_size < size)
+	    *dest++ = pt_tag(pt_integer),
+		new_size += sizeof(ref_packed);
+    } else {
+	obj_header_t *pfree = (obj_header_t *) ((ref *) dest + 1);
+
+	pfree->o_large = 0;
+	pfree->o_size = size - new_size - sizeof(obj_header_t);
+	pfree->o_type = &st_bytes;
+    }
+    /* Re-create the final ref. */
+    r_set_type((ref *) dest, t_integer);
+    dpre->o_size = new_size;
+}
diff --git a/pstoraster/igcstr.c b/pstoraster/igcstr.c
new file mode 100644
index 000000000..1847ab51c
--- /dev/null
+++ b/pstoraster/igcstr.c
@@ -0,0 +1,393 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* String GC routines for Ghostscript */
+#include "memory_.h"
+#include "ghost.h"
+#include "gsmdebug.h"
+#include "gsstruct.h"
+#include "iastate.h"
+#include "igcstr.h"
+
+/* Forward references */
+private bool gc_mark_string(P4(const byte *, uint, bool, const chunk_t *));
+
+/* (Un)mark the strings in a chunk. */
+void
+gc_strings_set_marks(chunk_t * cp, bool mark)
+{
+    if (cp->smark != 0) {
+	if_debug3('6', "[6]clearing string marks 0x%lx[%u] to %d\n",
+		  (ulong) cp->smark, cp->smark_size, (int)mark);
+	memset(cp->smark, 0, cp->smark_size);
+	if (mark)
+	    gc_mark_string(cp->sbase, cp->climit - cp->sbase, true, cp);
+    }
+}
+
+/* We mark strings a word at a time. */
+typedef string_mark_unit bword;
+
+#define bword_log2_bytes log2_sizeof_string_mark_unit
+#define bword_bytes (1 << bword_log2_bytes)
+#define bword_log2_bits (bword_log2_bytes + 3)
+#define bword_bits (1 << bword_log2_bits)
+#define bword_1s (~(bword)0)
+/* Compensate for byte order reversal if necessary. */
+#if arch_is_big_endian
+#  if bword_bytes == 2
+#    define bword_swap_bytes(m) m = (m << 8) | (m >> 8)
+#  else				/* bword_bytes == 4 */
+#    define bword_swap_bytes(m)\
+	m = (m << 24) | ((m & 0xff00) << 8) | ((m >> 8) & 0xff00) | (m >> 24)
+#  endif
+#else
+#  define bword_swap_bytes(m) DO_NOTHING
+#endif
+
+/* (Un)mark a string in a known chunk.  Return true iff any new marks. */
+private bool
+gc_mark_string(const byte * ptr, uint size, bool set, const chunk_t * cp)
+{
+    uint offset = ptr - cp->sbase;
+    bword *bp = (bword *) (cp->smark + ((offset & -bword_bits) >> 3));
+    uint bn = offset & (bword_bits - 1);
+    bword m = bword_1s << bn;
+    uint left = size;
+    bword marks = 0;
+
+    bword_swap_bytes(m);
+    if (set) {
+	if (left + bn >= bword_bits) {
+	    marks |= ~*bp & m;
+	    *bp |= m;
+	    m = bword_1s, left -= bword_bits - bn, bp++;
+	    while (left >= bword_bits) {
+		marks |= ~*bp;
+		*bp = bword_1s;
+		left -= bword_bits, bp++;
+	    }
+	}
+	if (left) {
+	    bword_swap_bytes(m);
+	    m -= m << left;
+	    bword_swap_bytes(m);
+	    marks |= ~*bp & m;
+	    *bp |= m;
+	}
+    } else {
+	if (left + bn >= bword_bits) {
+	    *bp &= ~m;
+	    m = bword_1s, left -= bword_bits - bn, bp++;
+	    if (left >= bword_bits * 5) {
+		memset(bp, 0, (left & -bword_bits) >> 3);
+		bp += left >> bword_log2_bits;
+		left &= bword_bits - 1;
+	    } else
+		while (left >= bword_bits) {
+		    *bp = 0;
+		    left -= bword_bits, bp++;
+		}
+	}
+	if (left) {
+	    bword_swap_bytes(m);
+	    m -= m << left;
+	    bword_swap_bytes(m);
+	    *bp &= ~m;
+	}
+    }
+    return marks != 0;
+}
+
+/* Mark a string.  Return true if any new marks. */
+bool
+gc_string_mark(const byte * ptr, uint size, bool set, gc_state_t * gcst)
+{
+    const chunk_t *cp;
+    bool marks;
+
+    if (size == 0)
+	return false;
+#define dprintstr()\
+  dputc('('); fwrite(ptr, 1, min(size, 20), dstderr);\
+  dputs((size <= 20 ? ")" : "...)"))
+    if (!(cp = gc_locate(ptr, gcst))) {		/* not in a chunk */
+#ifdef DEBUG
+	if (gs_debug_c('5')) {
+	    dlprintf2("[5]0x%lx[%u]", (ulong) ptr, size);
+	    dprintstr();
+	    dputs(" not in a chunk\n");
+	}
+#endif
+	return false;
+    }
+    if (cp->smark == 0)		/* not marking strings */
+	return false;
+#ifdef DEBUG
+    if (ptr < cp->ctop) {
+	lprintf4("String pointer 0x%lx[%u] outside [0x%lx..0x%lx)\n",
+		 (ulong) ptr, size, (ulong) cp->ctop, (ulong) cp->climit);
+	return false;
+    } else if (ptr + size > cp->climit) {	/*
+						 * If this is the bottommost string in a chunk that has
+						 * an inner chunk, the string's starting address is both
+						 * cp->ctop of the outer chunk and cp->climit of the inner;
+						 * gc_locate may incorrectly attribute the string to the
+						 * inner chunk because of this.  This doesn't affect
+						 * marking or relocation, since the machinery for these
+						 * is all associated with the outermost chunk,
+						 * but it can cause the validity check to fail.
+						 * Check for this case now.
+						 */
+	const chunk_t *scp = cp;
+
+	while (ptr == scp->climit && scp->outer != 0)
+	    scp = scp->outer;
+	if (ptr + size > scp->climit) {
+	    lprintf4("String pointer 0x%lx[%u] outside [0x%lx..0x%lx)\n",
+		     (ulong) ptr, size,
+		     (ulong) scp->ctop, (ulong) scp->climit);
+	    return false;
+	}
+    }
+#endif
+    marks = gc_mark_string(ptr, size, set, cp);
+#ifdef DEBUG
+    if (gs_debug_c('5')) {
+	dlprintf4("[5]%s%smarked 0x%lx[%u]",
+		  (marks ? "" : "already "), (set ? "" : "un"),
+		  (ulong) ptr, size);
+	dprintstr();
+	dputc('\n');
+    }
+#endif
+    return marks;
+}
+
+/* Clear the relocation for strings. */
+/* This requires setting the marks. */
+void
+gc_strings_clear_reloc(chunk_t * cp)
+{
+    if (cp->sreloc != 0) {
+	gc_strings_set_marks(cp, true);
+	if_debug1('6', "[6]clearing string reloc 0x%lx\n",
+		  (ulong) cp->sreloc);
+	gc_strings_set_reloc(cp);
+    }
+}
+
+/* Count the 0-bits in a byte. */
+private const byte count_zero_bits_table[256] =
+{
+#define o4(n) n,n-1,n-1,n-2
+#define o16(n) o4(n),o4(n-1),o4(n-1),o4(n-2)
+#define o64(n) o16(n),o16(n-1),o16(n-1),o16(n-2)
+    o64(8), o64(7), o64(7), o64(6)
+};
+
+#define byte_count_zero_bits(byt)\
+  (uint)(count_zero_bits_table[byt])
+#define byte_count_one_bits(byt)\
+  (uint)(8 - count_zero_bits_table[byt])
+
+/* Set the relocation for the strings in a chunk. */
+/* The sreloc table stores the relocated offset from climit for */
+/* the beginning of each block of string_data_quantum characters. */
+void
+gc_strings_set_reloc(chunk_t * cp)
+{
+    if (cp->sreloc != 0 && cp->smark != 0) {
+	byte *bot = cp->ctop;
+	byte *top = cp->climit;
+	uint count =
+	(top - bot + (string_data_quantum - 1)) >>
+	log2_string_data_quantum;
+	string_reloc_offset *relp =
+	cp->sreloc +
+	(cp->smark_size >> (log2_string_data_quantum - 3));
+	register byte *bitp = cp->smark + cp->smark_size;
+	register string_reloc_offset reloc = 0;
+
+	while (count--) {
+	    bitp -= string_data_quantum / 8;
+	    reloc += string_data_quantum -
+		byte_count_zero_bits(bitp[0]);
+	    reloc -= byte_count_zero_bits(bitp[1]);
+	    reloc -= byte_count_zero_bits(bitp[2]);
+	    reloc -= byte_count_zero_bits(bitp[3]);
+#if log2_string_data_quantum > 5
+	    reloc -= byte_count_zero_bits(bitp[4]);
+	    reloc -= byte_count_zero_bits(bitp[5]);
+	    reloc -= byte_count_zero_bits(bitp[6]);
+	    reloc -= byte_count_zero_bits(bitp[7]);
+#endif
+	    *--relp = reloc;
+	}
+    }
+    cp->sdest = cp->climit;
+}
+
+/* Relocate a string pointer. */
+void
+igc_reloc_string(gs_string * sptr, gc_state_t * gcst)
+{
+    byte *ptr;
+    const chunk_t *cp;
+    uint offset;
+    uint reloc;
+    const byte *bitp;
+    byte byt;
+
+    if (sptr->size == 0) {
+	sptr->data = 0;
+	return;
+    }
+    ptr = sptr->data;
+    if (!(cp = gc_locate(ptr, gcst)))	/* not in a chunk */
+	return;
+    if (cp->sreloc == 0 || cp->smark == 0)	/* not marking strings */
+	return;
+    offset = ptr - cp->sbase;
+    reloc = cp->sreloc[offset >> log2_string_data_quantum];
+    bitp = &cp->smark[offset >> 3];
+    switch (offset & (string_data_quantum - 8)) {
+#if log2_string_data_quantum > 5
+	case 56:
+	    reloc -= byte_count_one_bits(bitp[-7]);
+	case 48:
+	    reloc -= byte_count_one_bits(bitp[-6]);
+	case 40:
+	    reloc -= byte_count_one_bits(bitp[-5]);
+	case 32:
+	    reloc -= byte_count_one_bits(bitp[-4]);
+#endif
+	case 24:
+	    reloc -= byte_count_one_bits(bitp[-3]);
+	case 16:
+	    reloc -= byte_count_one_bits(bitp[-2]);
+	case 8:
+	    reloc -= byte_count_one_bits(bitp[-1]);
+    }
+    byt = *bitp & (0xff >> (8 - (offset & 7)));
+    reloc -= byte_count_one_bits(byt);
+    if_debug2('5', "[5]relocate string 0x%lx to 0x%lx\n",
+	      (ulong) ptr, (ulong) (cp->sdest - reloc));
+    sptr->data = cp->sdest - reloc;
+}
+void
+igc_reloc_const_string(gs_const_string * sptr, gc_state_t * gcst)
+{				/* We assume the representation of byte * and const byte * is */
+    /* the same.... */
+    igc_reloc_string((gs_string *) sptr, gcst);
+}
+
+/* Compact the strings in a chunk. */
+void
+gc_strings_compact(chunk_t * cp)
+{
+    if (cp->smark != 0) {
+	byte *hi = cp->climit;
+	byte *lo = cp->ctop;
+	register const byte *from = hi;
+	register byte *to = hi;
+	register const byte *bp = cp->smark + cp->smark_size;
+
+#ifdef DEBUG
+	if (gs_debug_c('4') || gs_debug_c('5')) {
+	    byte *base = cp->sbase;
+	    uint i = (lo - base) & -string_data_quantum;
+	    uint n = round_up(hi - base, string_data_quantum);
+
+#define R 16
+	    for (; i < n; i += R) {
+		uint j;
+
+		dlprintf1("[4]0x%lx: ", (ulong) (base + i));
+		for (j = i; j < i + R; j++) {
+		    byte ch = base[j];
+
+		    if (ch <= 31) {
+			dputc('^');
+			dputc(ch + 0100);
+		    } else
+			dputc(ch);
+		}
+		dputc(' ');
+		for (j = i; j < i + R; j++)
+		    dputc((cp->smark[j >> 3] & (1 << (j & 7)) ?
+			   '+' : '.'));
+#undef R
+		if (!(i & (string_data_quantum - 1)))
+		    dprintf1(" %u", cp->sreloc[i >> log2_string_data_quantum]);
+		dputc('\n');
+	    }
+	}
+#endif
+	while (from > lo) {
+	    register byte b = *--bp;
+
+	    from -= 8;
+	    switch (b) {
+		case 0xff:
+		    to -= 8;
+		    if (to != from) {
+			to[7] = from[7];
+			to[6] = from[6];
+			to[5] = from[5];
+			to[4] = from[4];
+			to[3] = from[3];
+			to[2] = from[2];
+			to[1] = from[1];
+			to[0] = from[0];
+		    }
+		    break;
+		default:
+		    if (b & 0x80)
+			*--to = from[7];
+		    if (b & 0x40)
+			*--to = from[6];
+		    if (b & 0x20)
+			*--to = from[5];
+		    if (b & 0x10)
+			*--to = from[4];
+		    if (b & 8)
+			*--to = from[3];
+		    if (b & 4)
+			*--to = from[2];
+		    if (b & 2)
+			*--to = from[1];
+		    if (b & 1)
+			*--to = from[0];
+		    /* falls through */
+		case 0:
+		    ;
+	    }
+	}
+	gs_alloc_fill(cp->ctop, gs_alloc_fill_collected,
+		      to - cp->ctop);
+	cp->ctop = to;
+    }
+}
diff --git a/pstoraster/igcstr.h b/pstoraster/igcstr.h
new file mode 100644
index 000000000..3d980e720
--- /dev/null
+++ b/pstoraster/igcstr.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal interface to string garbage collector */
+
+#ifndef igcstr_INCLUDED
+#  define igcstr_INCLUDED
+
+/* Exported by ilocate.c for igcstr.c */
+chunk_t *gc_locate(P2(const void *, gc_state_t *));
+
+/* Exported by igcstr.c for igc.c */
+void gc_strings_set_marks(P2(chunk_t *, bool));
+bool gc_string_mark(P4(const byte *, uint, bool, gc_state_t *));
+void gc_strings_clear_reloc(P1(chunk_t *));
+void gc_strings_set_reloc(P1(chunk_t *));
+void gc_strings_compact(P1(chunk_t *));
+
+#endif /* igcstr_INCLUDED */
diff --git a/pstoraster/igstate.h b/pstoraster/igstate.h
new file mode 100644
index 000000000..18675c4a6
--- /dev/null
+++ b/pstoraster/igstate.h
@@ -0,0 +1,181 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Ghostscript interpreter graphics state definition */
+
+#ifndef igstate_INCLUDED
+#  define igstate_INCLUDED
+
+#include "gsstate.h"
+#include "gxstate.h"		/* for 'client data' access */
+#include "istruct.h"		/* for gstate obj definition */
+
+/*
+ * From the interpreter's point of view, the graphics state is largely opaque,
+ * i.e., the interpreter is just another client of the library.
+ * The interpreter does require additional items in the graphics state;
+ * these are "client data" from the library's point of view.
+ * Most of the complexity in this added state comes from
+ * the parameters associated with the various Level 2 color spaces.
+ * Note that the added information consists entirely of refs.
+ */
+
+/*
+ * The interpreter represents graphics state objects in a slightly
+ * unnatural way, namely, by a t_astruct ref that points to an object
+ * of type st_igstate_obj, which is essentially a t_struct ref that in turn
+ * points to a real graphics state (object of type st_gs_state).
+ * We do this so that save and restore can manipulate the intermediate
+ * object and not have to worry about copying entire gs_states.
+ *
+ * Because a number of different operators must test whether an object
+ * is a gstate, we make an exception to our convention of declaring
+ * structure descriptors only in the place where the structure itself
+ * is defined (see gsstruct.h for more information on this).
+ */
+typedef struct igstate_obj_s {
+    ref gstate;			/* t_struct / st_gs_state */
+} igstate_obj;
+
+extern_st(st_igstate_obj);
+#define public_st_igstate_obj()	/* in zdps1.c */\
+  gs_public_st_ref_struct(st_igstate_obj, igstate_obj, "gstatetype")
+#define igstate_ptr(rp) r_ptr(&r_ptr(rp, igstate_obj)->gstate, gs_state)
+
+/* DeviceN names and tint transform */
+typedef struct ref_device_n_params_s {
+    ref layer_names, tint_transform;
+} ref_device_n_params;
+
+/* CIE transformation procedures */
+typedef struct ref_cie_procs_s {
+    union {
+	ref DEFG;
+	ref DEF;
+    } PreDecode;
+    union {
+	ref ABC;
+	ref A;
+    } Decode;
+    ref DecodeLMN;
+} ref_cie_procs;
+
+/* CIE rendering transformation procedures */
+typedef struct ref_cie_render_procs_s {
+    ref TransformPQR, EncodeLMN, EncodeABC, RenderTableT;
+} ref_cie_render_procs;
+
+/* Separation name and tint transform */
+typedef struct ref_separation_params_s {
+    ref layer_name, tint_transform;
+} ref_separation_params;
+
+/* All color space parameters. */
+/* All of these are optional. */
+/* Note that they may actually be the parameters for an underlying or */
+/* alternate space for a special space. */
+typedef struct ref_color_procs_s {
+    ref_cie_procs cie;
+    union {
+	ref_device_n_params device_n;
+	ref_separation_params separation;
+	ref index_proc;
+    } special;
+} ref_color_procs;
+typedef struct ref_colorspace_s {
+    ref array;			/* color space (array), */
+    /* only relevant if the current */
+    /* color space has parameters associated with it. */
+    ref_color_procs procs;	/* associated procedures/parameters, */
+    /* only relevant for DeviceN, CIE, Separation, Indexed/CIE, */
+    /* Indexed with procedure, or a Pattern with one of these. */
+} ref_colorspace;
+
+typedef struct int_gstate_s {
+    ref dash_pattern;		/* (array) */
+    /* Screen_procs are only relevant if setscreen was */
+    /* executed more recently than sethalftone */
+    /* (for this graphics context). */
+    union {
+	ref indexed[4];
+	struct {
+	    /* The components must be in this order: */
+	    ref red, green, blue, gray;
+	} colored;
+    } screen_procs,		/* halftone screen procedures */
+          transfer_procs;	/* transfer procedures */
+    ref black_generation;	/* (procedure) */
+    ref undercolor_removal;	/* (procedure) */
+    ref_colorspace colorspace;
+    /* Pattern is only relevant if the current color space */
+    /* is a pattern space. */
+    ref pattern;		/* pattern (dictionary) */
+    struct {
+	ref dict;		/* CIE color rendering dictionary */
+	ref_cie_render_procs procs;	/* (see above) */
+    } colorrendering;
+    /* Halftone is only relevant if sethalftone was executed */
+    /* more recently than setscreen for this graphics context. */
+    /* setscreen sets it to null. */
+    ref halftone;		/* halftone (dictionary) */
+    /* Pagedevice is only relevant if setpagedevice was */
+    /* executed more recently than nulldevice, setcachedevice, */
+    /* or setdevice with a non-page device (for this */
+    /* graphics context).  If the current device is not a */
+    /* page device, pagedevice is null. */
+    ref pagedevice;		/* page device (dictionary|null) */
+} int_gstate;
+
+#define clear_pagedevice(pigs) make_null(&(pigs)->pagedevice)
+/*
+ * Even though the interpreter's part of the graphics state actually
+ * consists of refs, allocating it as refs tends to create sandbars;
+ * since it is always allocated and freed as a unit, we can treat it
+ * as an ordinary structure.
+ */
+#define private_st_int_gstate()	/* in zgstate.c */\
+  gs_private_st_ref_struct(st_int_gstate, int_gstate, "int_gstate")
+
+/* Enumerate the refs in an int_gstate. */
+/* Since all the elements of an int_gstate are refs, this is simple. */
+#define int_gstate_map_refs(p,m)\
+ { register ref *rp_ = (ref *)(p);\
+   register int i = sizeof(int_gstate) / sizeof(ref);\
+   do { m(rp_); ++rp_; } while ( --i );\
+ }
+
+/* Create the gstate for a new context. */
+/* We export this so that fork can use it. */
+gs_state *int_gstate_alloc(P1(gs_ref_memory_t * mem));
+
+/* Get the int_gstate from a gs_state. */
+#define gs_int_gstate(pgs) ((int_gstate *)gs_state_client_data(pgs))
+
+/* The current instances. */
+extern gs_state *igs;
+
+#define istate gs_int_gstate(igs)
+
+#endif /* igstate_INCLUDED */
diff --git a/pstoraster/iht.h b/pstoraster/iht.h
new file mode 100644
index 000000000..56eb8d41b
--- /dev/null
+++ b/pstoraster/iht.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Procedures exported by zht.c for zht1.c and zht2.c */
+
+#ifndef iht_INCLUDED
+#  define iht_INCLUDED
+
+int zscreen_params(P2(os_ptr op, gs_screen_halftone * phs));
+
+int zscreen_enum_init(P7(os_ptr op, const gx_ht_order * porder,
+			 gs_screen_halftone * phs, ref * pproc, int npop,
+		       int (*finish_proc) (P1(os_ptr)), gs_memory_t * mem));
+
+#endif /* iht_INCLUDED */
diff --git a/pstoraster/iimage.h b/pstoraster/iimage.h
new file mode 100644
index 000000000..f4fed3ee1
--- /dev/null
+++ b/pstoraster/iimage.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gscspace.h, gxiparam.h */
+
+#ifndef iimage_INCLUDED
+#  define iimage_INCLUDED
+
+/* These procedures are exported by zimage.c for other modules. */
+
+/* Exported for zcolor1.c and zdpnext.c */
+int zimage_opaque_setup(P5(os_ptr op, bool multi, gs_image_alpha_t alpha,
+			   const gs_color_space * pcs, int npop));
+
+/* Exported for zimage2.c */
+int zimage_setup(P4(const gs_pixel_image_t * pim, const ref * sources,
+		    bool uses_color, int npop));
+
+/* Exported for zcolor3.c */
+int zimage_data_setup(P4(const gs_pixel_image_t * pim,
+			 gx_image_enum_common_t * pie,
+			 const ref * sources, int npop));
+
+#endif /* iimage_INCLUDED */
diff --git a/pstoraster/iimage2.h b/pstoraster/iimage2.h
new file mode 100644
index 000000000..c9554dbe4
--- /dev/null
+++ b/pstoraster/iimage2.h
@@ -0,0 +1,50 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsiparam.h */
+
+#ifndef iimage2_INCLUDED
+#  define iimage2_INCLUDED
+
+/* These procedures are exported by zimage2.c for other modules. */
+
+/*
+ * Define a structure for image parameters other than those defined
+ * in the gs_*image*_t structure.
+ */
+typedef struct image_params_s {
+    bool MultipleDataSources;
+    ref DataSource[gs_image_max_components];
+    const float *pDecode;
+} image_params;
+
+/* Extract and check parameters for an image. */
+int data_image_params(P6(const ref * op, gs_data_image_t * pim,
+			 image_params * pip, bool require_DataSource,
+			 int num_components, int max_bits_per_component));
+int pixel_image_params(P4(const ref * op, gs_pixel_image_t * pim,
+			  image_params * pip, int max_bits_per_component));
+
+#endif /* iimage2_INCLUDED */
diff --git a/pstoraster/iinit.c b/pstoraster/iinit.c
new file mode 100644
index 000000000..d2c919d35
--- /dev/null
+++ b/pstoraster/iinit.c
@@ -0,0 +1,511 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Initialize internally known objects for Ghostscript interpreter */
+#include "string_.h"
+#include "ghost.h"
+#include "gscdefs.h"
+#include "gsexit.h"
+#include "gsstruct.h"
+#include "errors.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "dstack.h"
+#include "ilevel.h"
+#include "iname.h"
+#include "interp.h"
+#include "ipacked.h"
+#include "iparray.h"
+#include "iutil.h"
+#include "ivmspace.h"
+#include "opdef.h"
+#include "store.h"
+
+/* Implementation parameters. */
+/*
+ * Define the (initial) sizes of the various system dictionaries.  We want
+ * the sizes to be prime numbers large enough to cover all the operators,
+ * plus everything in the init files, even if all the optional features are
+ * selected.  Note that these sizes must be large enough to get us through
+ * initialization, since we start up in Level 1 mode where dictionaries
+ * don't expand automatically.
+ */
+/* The size of systemdict can be set in the makefile. */
+#ifndef SYSTEMDICT_SIZE
+#  define SYSTEMDICT_SIZE 601
+#endif
+#ifndef SYSTEMDICT_LEVEL2_SIZE
+#  define SYSTEMDICT_LEVEL2_SIZE 941
+#endif
+/* The size of level2dict, if applicable, can be set in the makefile. */
+#ifndef LEVEL2DICT_SIZE
+#  define LEVEL2DICT_SIZE 233
+#endif
+/* Ditto the size of ll3dict. */
+#ifndef LL3DICT_SIZE
+#  define LL3DICT_SIZE 43
+#endif
+/* Ditto the size of filterdict. */
+#ifndef FILTERDICT_SIZE
+#  define FILTERDICT_SIZE 43
+#endif
+/* Define an arbitrary size for the operator procedure tables. */
+#ifndef OP_ARRAY_TABLE_SIZE
+#  define OP_ARRAY_TABLE_SIZE 180
+#endif
+#ifndef OP_ARRAY_TABLE_GLOBAL_SIZE
+#  define OP_ARRAY_TABLE_GLOBAL_SIZE OP_ARRAY_TABLE_SIZE
+#endif
+#ifndef OP_ARRAY_TABLE_LOCAL_SIZE
+#  define OP_ARRAY_TABLE_LOCAL_SIZE (OP_ARRAY_TABLE_SIZE / 2)
+#endif
+#define OP_ARRAY_TABLE_TOTAL_SIZE\
+  (OP_ARRAY_TABLE_GLOBAL_SIZE + OP_ARRAY_TABLE_LOCAL_SIZE)
+
+/* Define the list of error names. */
+const char *const gs_error_names[] =
+{
+    ERROR_NAMES
+};
+
+/* The operator tables */
+const op_def **op_def_table;
+uint op_def_count;
+op_array_table op_array_table_global, op_array_table_local;	/* definitions of `operator' procedures */
+
+/* Enter a name and value into a dictionary. */
+void
+initial_enter_name_in(const char *nstr, const ref * pref, ref * pdict)
+{
+    int code = dict_put_string(pdict, nstr, pref);
+
+    if (code < 0) {
+	lprintf4("initial_enter failed (%d), entering /%s in -dict:%u/%u-\n",
+		 code, nstr, dict_length(pdict), dict_maxlength(pdict));
+	gs_exit(1);
+    }
+}
+void
+initial_enter_name(const char *nstr, const ref * pref)
+{
+    initial_enter_name_in(nstr, pref, systemdict);
+}
+
+/* Remove a name from systemdict. */
+void
+initial_remove_name(const char *nstr)
+{
+    ref nref;
+
+    if (name_ref((const byte *)nstr, strlen(nstr), &nref, -1) >= 0)
+	dict_undef(systemdict, &nref);
+}
+
+/* Create a name.  Fatal error if it fails. */
+private void
+name_enter(const char *str, ref * pref)
+{
+    if (name_enter_string(str, pref) != 0) {
+	lprintf1("name_enter failed - %s\n", str);
+	gs_exit(1);
+    }
+}
+
+/* Define the names and sizes of the initial dictionaries. */
+/* The names are used to create references in systemdict. */
+const struct {
+    const char *name;
+    uint size;
+    bool local;
+} initial_dictionaries[] = {
+#ifdef INITIAL_DICTIONARIES
+    INITIAL_DICTIONARIES
+#else
+    /* systemdict is created and named automagically */
+    {
+	"level2dict", LEVEL2DICT_SIZE, false
+    },
+    {
+	"ll3dict", LL3DICT_SIZE, false
+    },
+    {
+	"globaldict", 0, false
+    },
+    {
+	"userdict", 0, true
+    },
+    {
+	"filterdict", FILTERDICT_SIZE, false
+    },
+#endif
+};
+/* systemdict and globaldict are magically inserted at the bottom */
+const char *const initial_dstack[] =
+{
+#ifdef INITIAL_DSTACK
+    INITIAL_DSTACK
+#else
+    "userdict"
+#endif
+};
+
+#define MIN_DSTACK_SIZE (countof(initial_dstack) + 1)	/* +1 for systemdict */
+
+
+/* Detect whether we have any Level 2 operators. */
+/* We export this for gs_init1 in imain.c. */
+/* This is very slow, but we only call it a couple of times. */
+bool
+gs_have_level2(void)
+{
+    const op_def *const *tptr;
+
+    for (tptr = op_defs_all; *tptr != 0; ++tptr) {
+	const op_def *def;
+
+	for (def = *tptr; def->oname != 0; ++def)
+	    if (op_def_is_begin_dict(def) &&
+		!strcmp(def->oname, "level2dict")
+		)
+		return true;
+    }
+    return false;
+}
+
+/* Create an initial dictionary if necessary. */
+private ref *
+make_initial_dict(const char *iname, ref idicts[])
+{
+    int i;
+
+    /* systemdict was created specially. */
+    if (!strcmp(iname, "systemdict"))
+	return systemdict;
+    for (i = 0; i < countof(initial_dictionaries); i++) {
+	const char *dname = initial_dictionaries[i].name;
+	const int dsize = initial_dictionaries[i].size;
+
+	if (!strcmp(iname, dname)) {
+	    ref *dref = &idicts[i];
+
+	    if (r_has_type(dref, t_null)) {
+		gs_ref_memory_t *mem =
+		(initial_dictionaries[i].local ?
+		 iimemory_local : iimemory_global);
+		int code = dict_alloc(mem, dsize, dref);
+
+		if (code < 0)
+		    return 0;	/* disaster */
+	    }
+	    return dref;
+	}
+    }
+
+    /*
+     * Name mentioned in some op_def, but not in initial_dictionaries.
+     * Punt.
+     */
+    return 0;
+}
+
+/* Initialize objects other than operators.  In particular, */
+/* initialize the dictionaries that hold operator definitions. */
+void
+obj_init(void)
+{
+    bool level2 = gs_have_level2();
+
+    /* Initialize the language level. */
+    make_int(&ref_language_level, 1);
+
+    /*
+     * Create systemdict.  The context machinery requires that
+     * we do this before initializing the interpreter.
+     */
+    dict_alloc(iimemory_global,
+	       (level2 ? SYSTEMDICT_LEVEL2_SIZE : SYSTEMDICT_SIZE),
+	       systemdict);
+
+    /* Initialize the interpreter. */
+    gs_interp_init();
+
+    {
+#define icount countof(initial_dictionaries)
+	ref idicts[icount];
+	int i;
+	const op_def *const *tptr;
+
+	min_dstack_size = MIN_DSTACK_SIZE;
+
+	refset_null(idicts, icount);
+
+	/* Put systemdict on the dictionary stack. */
+	if (level2) {
+	    dsp += 2;
+	    /*
+	     * For the moment, let globaldict be an alias for systemdict.
+	     */
+	    dsp[-1] = *systemdict;
+	    min_dstack_size++;
+	} else {
+	    ++dsp;
+	}
+	*dsp = *systemdict;
+
+	/* Create dictionaries which are to be homes for operators. */
+	for (tptr = op_defs_all; *tptr != 0; tptr++) {
+	    const op_def *def;
+
+	    for (def = *tptr; def->oname != 0; def++)
+		if (op_def_is_begin_dict(def))
+		    make_initial_dict(def->oname, idicts);
+	}
+
+	/* Set up the initial dstack. */
+	for (i = 0; i < countof(initial_dstack); i++) {
+	    const char *dname = initial_dstack[i];
+
+	    ++dsp;
+	    if (!strcmp(dname, "userdict"))
+		dstack_userdict_index = dsp - dsbot;
+	    ref_assign(dsp, make_initial_dict(dname, idicts));
+	}
+
+	/* Enter names of referenced initial dictionaries into systemdict. */
+	initial_enter_name("systemdict", systemdict);
+	for (i = 0; i < icount; i++) {
+	    ref *idict = &idicts[i];
+
+	    if (!r_has_type(idict, t_null)) {	/*
+						 * Note that we enter the dictionary in systemdict
+						 * even if it is in local VM.  There is a special
+						 * provision in the garbage collector for this:
+						 * see ivmspace.h for more information.
+						 * In order to do this, we must temporarily
+						 * identify systemdict as local, so that the
+						 * store check in dict_put won't fail.
+						 */
+		uint save_space = r_space(systemdict);
+
+		r_set_space(systemdict, avm_local);
+		initial_enter_name(initial_dictionaries[i].name,
+				   idict);
+		r_set_space(systemdict, save_space);
+	    }
+	}
+#undef icount
+    }
+
+    gs_interp_reset();
+
+    {
+	ref vtemp;
+
+	make_null(&vtemp);
+	initial_enter_name("null", &vtemp);
+	make_true(&vtemp);
+	initial_enter_name("true", &vtemp);
+	make_false(&vtemp);
+	initial_enter_name("false", &vtemp);
+    }
+
+    /* Create the error name table */
+    {
+	int n = countof(gs_error_names) - 1;
+	int i;
+	ref era;
+
+	ialloc_ref_array(&era, a_readonly, n, "ErrorNames");
+	for (i = 0; i < n; i++)
+	    name_enter((const char *)gs_error_names[i],
+		       era.value.refs + i);
+	initial_enter_name("ErrorNames", &era);
+    }
+}
+
+/* Run the initialization procedures of the individual operator files. */
+void
+zop_init(void)
+{
+    const op_def *const *tptr;
+
+    /* Because of a bug in Sun's SC1.0 compiler, */
+    /* we have to spell out the typedef for op_def_ptr here: */
+    const op_def *def;
+
+    for (tptr = op_defs_all; *tptr != 0; tptr++) {
+	for (def = *tptr; def->oname != 0; def++)
+	    DO_NOTHING;
+	if (def->proc != 0)
+	    ((void (*)(P0()))(def->proc)) ();
+    }
+
+    /* Initialize the predefined names other than operators. */
+    /* Do this here in case op_init changed any of them. */
+    {
+	ref vtemp;
+
+	make_const_string(&vtemp, a_readonly | avm_foreign,
+			  strlen(gs_copyright),
+			  (const byte *)gs_copyright);
+	initial_enter_name("copyright", &vtemp);
+	make_const_string(&vtemp, a_readonly | avm_foreign,
+			  strlen(gs_product),
+			  (const byte *)gs_product);
+	initial_enter_name("product", &vtemp);
+	make_int(&vtemp, gs_revision);
+	initial_enter_name("revision", &vtemp);
+	make_int(&vtemp, gs_revisiondate);
+	initial_enter_name("revisiondate", &vtemp);
+    }
+}
+
+/* Create an op_array table. */
+private int
+alloc_op_array_table(uint size, uint space, op_array_table * opt)
+{
+    uint save_space = ialloc_space(idmemory);
+    int code;
+
+    ialloc_set_space(idmemory, space);
+    code = ialloc_ref_array(&opt->table, a_readonly, size,
+			    "op_array table");
+    ialloc_set_space(idmemory, save_space);
+    if (code < 0)
+	return code;
+    refset_null(opt->table.value.refs, size);
+    opt->nx_table =
+	(ushort *) ialloc_byte_array(size, sizeof(ushort),
+				     "op_array nx_table");
+    if (opt->nx_table == 0)
+	return_error(e_VMerror);
+    opt->count = 0;
+    opt->root_p = &opt->table;
+    opt->attrs = space | a_executable;
+    return 0;
+}
+
+/* Initialize the operator table. */
+void
+op_init(void)
+{
+    int count = 1;
+    const op_def *const *tptr;
+    const op_def *def;
+    const char *nstr;
+
+    /* Do a first pass just to count the operators. */
+
+    for (tptr = op_defs_all; *tptr != 0; tptr++) {
+	for (def = *tptr; def->oname != 0; def++)
+	    if (!op_def_is_begin_dict(def))
+		count++;
+    }
+
+    /* Do a second pass to construct the operator table, */
+    /* and enter the operators into the appropriate dictionary. */
+
+    /* Because of a bug in Sun's SC1.0 compiler, */
+    /* we have to spell out the typedef for op_def_ptr here: */
+    op_def_table =
+	(const op_def **)ialloc_byte_array(count, sizeof(const op_def *),
+					   "op_init(op_def_table)");
+
+    op_def_count = count;
+    for (count = 0; count <= gs_interp_num_special_ops; count++)
+	op_def_table[count] = 0;
+    count = gs_interp_num_special_ops + 1;	/* leave space for magic entries */
+    for (tptr = op_defs_all; *tptr != 0; tptr++) {
+	ref *pdict = systemdict;
+
+	for (def = *tptr; (nstr = def->oname) != 0; def++)
+	    if (op_def_is_begin_dict(def)) {
+		ref nref;
+		int code = name_ref((const byte *)nstr, strlen(nstr),
+				    &nref, -1);
+
+		if (code != 0)
+		    gs_abort();
+		if (!dict_find(systemdict, &nref, &pdict))
+		    gs_abort();
+		if (!r_has_type(pdict, t_dictionary))
+		    gs_abort();
+	    } else {
+		ref oper;
+		uint opidx;
+
+		gs_interp_make_oper(&oper, def->proc, count);
+		opidx = r_size(&oper);
+		/* The first character of the name is a digit */
+		/* giving the minimum acceptable number of operands. */
+		/* Check to make sure it's within bounds. */
+		if (*nstr - '0' > gs_interp_max_op_num_args)
+		    gs_abort();
+		nstr++;
+		/* Don't enter internal operators into */
+		/* the dictionary. */
+		if (*nstr != '%')
+		    initial_enter_name_in(nstr, &oper, pdict);
+		op_def_table[opidx] = def;
+		if (opidx == count)
+		    count++;
+	    }
+    }
+    /* All of the built-ins had better be defined somewhere, */
+    /* or things like op_find_index will choke. */
+    for (count = 1; count <= gs_interp_num_special_ops; count++)
+	if (op_def_table[count] == 0)
+	    gs_abort();
+    gs_register_struct_root(imemory, NULL, (void **)&op_def_table,
+			    "op_def_table");
+
+    /* Allocate the tables for `operator' procedures. */
+    /* Make one of them local so we can have local operators. */
+
+    if (alloc_op_array_table(OP_ARRAY_TABLE_GLOBAL_SIZE,
+			     avm_global, &op_array_table_global) < 0)
+	gs_abort();
+    op_array_table_global.base_index = op_def_count;
+    gs_register_ref_root(imemory, NULL,
+			 (void **)&op_array_table_global.root_p,
+			 "op_array_table(global)");
+    gs_register_struct_root(imemory, NULL,
+			    (void **)&op_array_table_global.nx_table,
+			    "op_array nx_table(global)");
+
+    if (alloc_op_array_table(OP_ARRAY_TABLE_LOCAL_SIZE,
+			     avm_local, &op_array_table_local) < 0)
+	gs_abort();
+    op_array_table_local.base_index =
+	op_array_table_global.base_index +
+	r_size(&op_array_table_global.table);
+    gs_register_ref_root(imemory, NULL,
+			 (void **)&op_array_table_local.root_p,
+			 "op_array_table(local)");
+    gs_register_struct_root(imemory, NULL,
+			    (void **)&op_array_table_local.nx_table,
+			    "op_array nx_table(local)");
+
+}
diff --git a/pstoraster/ilevel.h b/pstoraster/ilevel.h
new file mode 100644
index 000000000..a7b90c54f
--- /dev/null
+++ b/pstoraster/ilevel.h
@@ -0,0 +1,39 @@
+/* Copyright (C) 1992, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter language level interface */
+
+#ifndef ilevel_INCLUDED
+#  define ilevel_INCLUDED
+
+/* The current interpreter language level */
+extern ref ref_language_level;
+
+#define LANGUAGE_LEVEL ((int)ref_language_level.value.intval)
+#define LL2_ENABLED (LANGUAGE_LEVEL >= 2)
+#define LL3_ENABLED (LANGUAGE_LEVEL >= 3)
+#define level2_enabled LL2_ENABLED	/* backward compatibility */
+
+#endif /* ilevel_INCLUDED */
diff --git a/pstoraster/ilocate.c b/pstoraster/ilocate.c
new file mode 100644
index 000000000..8ae5ddaf7
--- /dev/null
+++ b/pstoraster/ilocate.c
@@ -0,0 +1,439 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Object locating and validating for Ghostscript memory manager */
+#include "ghost.h"
+#include "memory_.h"
+#include "errors.h"
+#include "gsexit.h"
+#include "gsstruct.h"
+#include "iastate.h"
+#include "idict.h"
+#include "igc.h"		/* for gc_state_t */
+#include "igcstr.h"		/* for prototype */
+#include "iname.h"
+#include "ipacked.h"
+#include "isstate.h"
+#include "iutil.h"		/* for packed_get */
+#include "ivmspace.h"
+#include "store.h"
+
+/* ================ Locating ================ */
+
+/* Locate a pointer in the chunks of a space being collected. */
+/* This is only used for string garbage collection and for debugging. */
+chunk_t *
+gc_locate(const void *ptr, gc_state_t * gcst)
+{
+    const gs_ref_memory_t *mem;
+
+    if (chunk_locate(ptr, &gcst->loc))
+	return gcst->loc.cp;
+    mem = gcst->loc.memory;
+
+    /* Try the other space, if there is one. */
+
+    if (gcst->space_local != gcst->space_global) {
+	gcst->loc.memory =
+	    (mem->space == avm_local ? gcst->space_global : gcst->space_local);
+	gcst->loc.cp = 0;
+	if (chunk_locate(ptr, &gcst->loc))
+	    return gcst->loc.cp;
+	/* Try other save levels of this space. */
+	while (gcst->loc.memory->saved != 0) {
+	    gcst->loc.memory = &gcst->loc.memory->saved->state;
+	    gcst->loc.cp = 0;
+	    if (chunk_locate(ptr, &gcst->loc))
+		return gcst->loc.cp;
+	}
+    }
+
+    /*
+     * Try system space.  This is simpler because it isn't subject to
+     * save/restore.
+     */
+
+    if (mem != gcst->space_system) {
+	gcst->loc.memory = gcst->space_system;
+	gcst->loc.cp = 0;
+	if (chunk_locate(ptr, &gcst->loc))
+	    return gcst->loc.cp;
+    }
+
+    /*
+     * Try other save levels of the initial space, or of global space if the
+     * original space was system space.  In the latter case, try all
+     * levels.
+     */
+
+    gcst->loc.memory =
+	(mem == gcst->space_system || mem->space == avm_global ?
+	 gcst->space_global : gcst->space_local);
+    for (;;) {
+	if (gcst->loc.memory != mem) {	/* don't do twice */
+	    gcst->loc.cp = 0;
+	    if (chunk_locate(ptr, &gcst->loc))
+		return gcst->loc.cp;
+	}
+	if (gcst->loc.memory->saved == 0)
+	    break;
+	gcst->loc.memory = &gcst->loc.memory->saved->state;
+    }
+
+    /* Restore locator to a legal state. */
+
+    gcst->loc.memory = mem;
+    gcst->loc.cp = 0;
+    return 0;
+}
+
+/* ================ Debugging ================ */
+
+#ifdef DEBUG
+
+/* Validate the contents of an allocator. */
+void
+ialloc_validate_spaces(const gs_dual_memory_t * dmem)
+{
+    int i;
+    gc_state_t state;
+    struct sm_ {
+	chunk_t cc;
+	uint rsize;
+	ref rlast;
+    } save[countof(dmem->spaces.indexed)];
+
+    state.spaces = dmem->spaces;
+    state.loc.memory = state.spaces.named.local;
+    state.loc.cp = 0;
+
+    /* Save everything we need to reset temporarily. */
+
+    for (i = 0; i < countof(save); i++)
+	if (dmem->spaces.indexed[i] != 0) {
+	    gs_ref_memory_t *mem = dmem->spaces.indexed[i];
+	    chunk_t *pcc = mem->pcc;
+	    obj_header_t *rcur = mem->cc.rcur;
+
+	    if (pcc != 0) {
+		save[i].cc = *pcc;
+		*pcc = mem->cc;
+	    }
+	    if (rcur != 0) {
+		save[i].rsize = rcur[-1].o_size;
+		rcur[-1].o_size = mem->cc.rtop - (byte *) rcur;
+		/* Create the final ref, reserved for the GC. */
+		save[i].rlast = ((ref *) mem->cc.rtop)[-1];
+		make_mark((ref *) mem->cc.rtop - 1);
+	    }
+	}
+
+    /* Validate memory. */
+
+    for (i = 0; i < countof(save); i++)
+	if (dmem->spaces.indexed[i] != 0)
+	    ialloc_validate_memory(dmem->spaces.indexed[i], &state);
+
+    /* Undo temporary changes. */
+
+    for (i = 0; i < countof(save); i++)
+	if (dmem->spaces.indexed[i] != 0) {
+	    gs_ref_memory_t *mem = dmem->spaces.indexed[i];
+	    chunk_t *pcc = mem->pcc;
+	    obj_header_t *rcur = mem->cc.rcur;
+
+	    if (rcur != 0) {
+		rcur[-1].o_size = save[i].rsize;
+		((ref *) mem->cc.rtop)[-1] = save[i].rlast;
+	    }
+	    if (pcc != 0)
+		*pcc = save[i].cc;
+	}
+}
+void
+ialloc_validate_memory(const gs_ref_memory_t * mem, gc_state_t * gcst)
+{
+    const gs_ref_memory_t *smem;
+    int level;
+
+    for (smem = mem, level = 0; smem != 0;
+	 smem = &smem->saved->state, --level
+	) {
+	const chunk_t *cp;
+	int i;
+
+	if_debug3('6', "[6]validating memory 0x%lx, space %d, level %d\n",
+		  (ulong) mem, mem->space, level);
+	/* Validate chunks. */
+	for (cp = smem->cfirst; cp != 0; cp = cp->cnext)
+	    ialloc_validate_chunk(cp, gcst);
+	/* Validate freelists. */
+	for (i = 0; i < num_freelists; ++i) {
+	    uint free_size = i << log2_obj_align_mod;
+	    const obj_header_t *pfree;
+
+	    for (pfree = mem->freelists[i]; pfree != 0;
+		 pfree = *(const obj_header_t * const *)pfree
+		) {
+		uint size = pfree[-1].o_size;
+
+		if (pfree[-1].o_type != &st_free) {
+		    lprintf3("Non-free object 0x%lx(%u) on freelist %i!\n",
+			     (ulong) pfree, size, i);
+		    break;
+		}
+		if (size < free_size - obj_align_mask || size > free_size) {
+		    lprintf3("Object 0x%lx(%u) size wrong on freelist %i!\n",
+			     (ulong) pfree, size, i);
+		    break;
+		}
+	    }
+	}
+    };
+}
+
+/* Check the validity of an object's size. */
+inline private bool
+object_size_valid(const obj_header_t * pre, uint size, const chunk_t * cp)
+{
+    return (pre->o_large ? (const byte *)pre == cp->cbase :
+	    size <= cp->ctop - (const byte *)(pre + 1));
+}
+
+/* Validate all the objects in a chunk. */
+private void ialloc_validate_ref(P2(const ref *, gc_state_t *));
+void
+ialloc_validate_chunk(const chunk_t * cp, gc_state_t * gcst)
+{
+    if_debug_chunk('6', "[6]validating chunk", cp);
+    SCAN_CHUNK_OBJECTS(cp);
+    DO_ALL
+	if (pre->o_type == &st_free) {
+	    if (!object_size_valid(pre, size, cp))
+		lprintf3("Bad free object 0x%lx(%lu), in chunk 0x%lx!\n",
+			 (ulong) (pre + 1), (ulong) size, (ulong) cp);
+	} else
+	    ialloc_validate_object(pre + 1, cp, gcst);
+    if_debug3('7', " [7]validating %s(%lu) 0x%lx\n",
+	      struct_type_name_string(pre->o_type),
+	      (ulong) size, (ulong) pre);
+    if (pre->o_type == &st_refs) {
+	const ref_packed *rp = (const ref_packed *)(pre + 1);
+	const char *end = (const char *)rp + size;
+
+	while ((const char *)rp < end)
+	    if (r_is_packed(rp)) {
+		ref unpacked;
+
+		packed_get(rp, &unpacked);
+		ialloc_validate_ref(&unpacked, gcst);
+		rp++;
+	    } else {
+		ialloc_validate_ref((const ref *)rp, gcst);
+		rp += packed_per_ref;
+	    }
+    } else {
+	struct_proc_enum_ptrs((*proc)) = pre->o_type->enum_ptrs;
+	uint index = 0;
+	const void *ptr;
+	gs_ptr_type_t ptype;
+
+	if (proc != gs_no_struct_enum_ptrs)
+	    for (; (ptype = (*proc) (pre + 1, size, index, &ptr, pre->o_type, NULL)) != 0; ++index)
+		if (ptr == 0)
+		    DO_NOTHING;
+		else if (ptype == ptr_struct_type)
+		    ialloc_validate_object(ptr, NULL, gcst);
+		else if (ptype == ptr_ref_type)
+		    ialloc_validate_ref(ptr, gcst);
+    }
+    END_OBJECTS_SCAN
+}
+/* Validate a ref. */
+private void
+ialloc_validate_ref(const ref * pref, gc_state_t * gcst)
+{
+    const void *optr;
+    const ref *rptr;
+    const char *tname;
+    uint size;
+
+    if (!gs_debug_c('?'))
+	return;			/* no check */
+    if (r_space(pref) == avm_foreign)
+	return;
+    switch (r_type(pref)) {
+	case t_file:
+	    optr = pref->value.pfile;
+	    goto cks;
+	case t_device:
+	    optr = pref->value.pdevice;
+	    goto cks;
+	case t_fontID:
+	case t_struct:
+	case t_astruct:
+	    optr = pref->value.pstruct;
+cks:	    if (optr != 0)
+		ialloc_validate_object(optr, NULL, gcst);
+	    break;
+	case t_name:
+	    if (name_index_ptr(r_size(pref)) != pref->value.pname) {
+		lprintf3("At 0x%lx, bad name %u, pname = 0x%lx\n",
+			 (ulong) pref, (uint) r_size(pref),
+			 (ulong) pref->value.pname);
+		break;
+	    } {
+		ref sref;
+
+		name_string_ref(pref, &sref);
+		if (r_space(&sref) != avm_foreign &&
+		    !gc_locate(sref.value.const_bytes, gcst)
+		    ) {
+		    lprintf4("At 0x%lx, bad name %u, pname = 0x%lx, string 0x%lx not in any chunk\n",
+			     (ulong) pref, (uint) r_size(pref),
+			     (ulong) pref->value.pname,
+			     (ulong) sref.value.const_bytes);
+		}
+	    }
+	    break;
+	case t_string:
+	    if (r_size(pref) != 0 && !gc_locate(pref->value.bytes, gcst))
+		lprintf3("At 0x%lx, string ptr 0x%lx[%u] not in any chunk\n",
+			 (ulong) pref, (ulong) pref->value.bytes,
+			 (uint) r_size(pref));
+	    break;
+	case t_array:
+	    if (r_size(pref) == 0)
+		break;
+	    rptr = pref->value.refs;
+	    size = r_size(pref);
+	    tname = "array";
+cka:	    if (!gc_locate(rptr, gcst)) {
+		lprintf3("At 0x%lx, %s 0x%lx not in any chunk\n",
+			 (ulong) pref, tname, (ulong) rptr);
+		break;
+	    } {
+		uint i;
+
+		for (i = 0; i < size; ++i) {
+		    const ref *elt = rptr + i;
+
+		    if (r_is_packed(elt))
+			lprintf5("At 0x%lx, %s 0x%lx[%u] element %u is not a ref\n",
+				 (ulong) pref, tname, (ulong) rptr, size, i);
+		}
+	    }
+	    break;
+	case t_shortarray:
+	case t_mixedarray:
+	    if (r_size(pref) == 0)
+		break;
+	    optr = pref->value.packed;
+	    if (!gc_locate(optr, gcst))
+		lprintf2("At 0x%lx, packed array 0x%lx not in any chunk\n",
+			 (ulong) pref, (ulong) optr);
+	    break;
+	case t_dictionary:
+	    {
+		const dict *pdict = pref->value.pdict;
+
+		if (!r_has_type(&pdict->values, t_array) ||
+		    !r_is_array(&pdict->keys) ||
+		    !r_has_type(&pdict->count, t_integer) ||
+		    !r_has_type(&pdict->maxlength, t_integer)
+		    )
+		    lprintf2("At 0x%lx, invalid dict 0x%lx\n",
+			     (ulong) pref, (ulong) pdict);
+		rptr = (const ref *)pdict;
+	    }
+	    size = sizeof(dict) / sizeof(ref);
+	    tname = "dict";
+	    goto cka;
+    }
+}
+
+/* Validate an object. */
+void
+ialloc_validate_object(const obj_header_t * ptr, const chunk_t * cp,
+		       gc_state_t * gcst)
+{
+    const obj_header_t *pre = ptr - 1;
+    ulong size = pre_obj_contents_size(pre);
+    gs_memory_type_ptr_t otype = pre->o_type;
+    const char *oname;
+
+    if (!gs_debug_c('?'))
+	return;			/* no check */
+    if (cp == 0 && gcst != 0) {
+	gc_state_t st;
+
+	st = *gcst;		/* no side effects! */
+	if (!(cp = gc_locate(pre, &st))) {
+	    lprintf1("Object 0x%lx not in any chunk!\n",
+		     (ulong) ptr);
+	    return;		/*gs_abort(); */
+	}
+    }
+    if (otype == &st_free) {
+	lprintf3("Reference to free object 0x%lx(%lu), in chunk 0x%lx!\n",
+		 (ulong) ptr, (ulong) size, (ulong) cp);
+	gs_abort();
+    }
+    if ((cp != 0 && !object_size_valid(pre, size, cp)) ||
+	otype->ssize == 0 ||
+	size % otype->ssize != 0 ||
+	(oname = struct_type_name_string(otype),
+	 *oname < 33 || *oname > 126)
+	) {
+	lprintf4("Bad object 0x%lx(%lu), ssize = %u, in chunk 0x%lx!\n",
+		 (ulong) ptr, (ulong) size, otype->ssize, (ulong) cp);
+	gs_abort();
+    }
+}
+
+#else /* !DEBUG */
+
+void
+ialloc_validate_spaces(const gs_dual_memory_t * dmem)
+{
+}
+
+void
+ialloc_validate_memory(const gs_ref_memory_t * mem, gc_state_t * gcst)
+{
+}
+
+void
+ialloc_validate_chunk(const chunk_t * cp, gc_state_t * gcst)
+{
+}
+
+void
+ialloc_validate_object(const obj_header_t * ptr, const chunk_t * cp,
+		       gc_state_t * gcst)
+{
+}
+
+#endif /* (!)DEBUG */
diff --git a/pstoraster/imain.c b/pstoraster/imain.c
new file mode 100644
index 000000000..642715643
--- /dev/null
+++ b/pstoraster/imain.c
@@ -0,0 +1,664 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common support for interpreter front ends */
+#include "memory_.h"
+#include "string_.h"
+/* Capture stdin/out/err before gs.h redefines them. */
+#include <stdio.h>
+void
+gs_get_real_stdio(FILE * stdfiles[3])
+{
+    stdfiles[0] = stdin;
+    stdfiles[1] = stdout;
+    stdfiles[2] = stderr;
+}
+#include "ghost.h"
+#include "gp.h"
+#include "gslib.h"
+#include "gsmatrix.h"		/* for gxdevice.h */
+#include "gsutil.h"		/* for bytes_compare */
+#include "gxdevice.h"
+#include "errors.h"
+#include "oper.h"
+#include "idebug.h"
+#include "idict.h"
+#include "iname.h"		/* for name_init */
+#include "dstack.h"
+#include "estack.h"
+#include "ostack.h"		/* put here for files.h */
+#include "stream.h"		/* for files.h */
+#include "files.h"
+#include "ialloc.h"
+#include "strimpl.h"		/* for sfilter.h */
+#include "sfilter.h"		/* for iscan.h */
+#include "iscan.h"
+#include "main.h"
+#include "store.h"
+#include "isave.h"		/* for prototypes */
+#include "interp.h"
+#include "ivmspace.h"
+
+/* ------ Exported data ------ */
+
+/* Define the default instance of the interpreter. */
+/* Currently, this is the *only possible* instance, because most of */
+/* the places that need to take an explicit instance argument don't. */
+private gs_main_instance the_gs_main_instance;
+gs_main_instance *
+gs_main_instance_default(void)
+{				/* Determine whether the instance has been initialized. */
+    if (the_gs_main_instance.memory_chunk_size == 0)
+	the_gs_main_instance = gs_main_instance_init_values;
+    return &the_gs_main_instance;
+}
+
+/* The only reason we export gs_exit_status is so that window systems */
+/* with alert boxes can know whether to pause before exiting if */
+/* the program terminates with an error.  There must be a better way .... */
+int gs_exit_status;
+
+/* Define the interpreter's name table.  We'll move it somewhere better */
+/* eventually.... */
+name_table *the_gs_name_table;
+
+/* ------ Imported data ------ */
+
+/* Configuration information imported from gconfig.c and iinit.c. */
+extern const char *gs_init_file;
+extern const byte gs_init_string[];
+extern const uint gs_init_string_sizeof;
+extern const ref gs_init_file_array[];
+extern const ref gs_emulator_name_array[];
+
+/* ------ Forward references ------ */
+
+private int gs_run_init_file(P3(gs_main_instance *, int *, ref *));
+private void print_resource_usage(P3(const gs_main_instance *,
+				     gs_dual_memory_t *,
+				     const char *));
+
+/* ------ Initialization ------ */
+
+/* A handy way to declare and execute an initialization procedure: */
+#define call_init(proc)\
+BEGIN extern void proc(P0()); proc(); END
+
+/* Initialization to be done before anything else. */
+void
+gs_main_init0(gs_main_instance * minst, FILE * in, FILE * out, FILE * err,
+	      int max_lib_paths)
+{
+    gs_memory_t *heap;
+
+    /* Set our versions of stdin/out/err. */
+    gs_stdin = minst->fstdin = in;
+    gs_stdout = minst->fstdout = out;
+    gs_stderr = minst->fstderr = err;
+    /* Do platform-dependent initialization. */
+    /* We have to do this as the very first thing, */
+    /* because it detects attempts to run 80N86 executables (N>0) */
+    /* on incompatible processors. */
+    gp_init();
+    gp_get_usertime(minst->base_time);
+    /* Initialize the imager. */
+    heap = gs_lib_init0(gs_stdout);
+    minst->heap = heap;
+    /* Initialize the file search paths. */
+    make_array(&minst->lib_path.container, avm_foreign, max_lib_paths,
+	       (ref *) gs_alloc_byte_array(heap, max_lib_paths, sizeof(ref),
+					   "lib_path array"));
+    make_array(&minst->lib_path.list, avm_foreign | a_readonly, 0,
+	       minst->lib_path.container.value.refs);
+    minst->lib_path.env = 0;
+    minst->lib_path.final = 0;
+    minst->lib_path.count = 0;
+    minst->user_errors = 1;
+    minst->init_done = 0;
+}
+
+/* Initialization to be done before constructing any objects. */
+void
+gs_main_init1(gs_main_instance * minst)
+{
+    if (minst->init_done < 1) {
+	{
+	    extern bool gs_have_level2(P0());
+
+	    ialloc_init((gs_raw_memory_t *) & gs_memory_default,
+			minst->memory_chunk_size,
+			gs_have_level2());
+	    gs_lib_init1((gs_memory_t *) imemory_system);
+	    alloc_save_init(idmemory);
+	}
+	{
+	    gs_memory_t *mem = imemory_system;
+	    name_table *nt = names_init(minst->name_table_size, mem);
+
+	    if (nt == 0) {
+		puts("name_init failed");
+		gs_exit(1);
+	    }
+	    the_gs_name_table = nt;
+	    gs_register_struct_root(mem, NULL, (void **)&the_gs_name_table,
+				    "the_gs_name_table");
+	}
+	call_init(obj_init);	/* requires name_init */
+	minst->init_done = 1;
+    }
+}
+
+/* Initialization to be done before running any files. */
+private void
+init2_make_string_array(const ref * srefs, const char *aname)
+{
+    const ref *ifp = srefs;
+    ref ifa;
+
+    for (; ifp->value.bytes != 0; ifp++);
+    make_tasv(&ifa, t_array, a_readonly | avm_foreign,
+	      ifp - srefs, const_refs, srefs);
+    initial_enter_name(aname, &ifa);
+}
+void
+gs_main_init2(gs_main_instance * minst)
+{
+    gs_main_init1(minst);
+    if (minst->init_done < 2) {
+	int code, exit_code;
+	ref error_object;
+
+	call_init(igs_init);
+	call_init(zop_init);
+	{
+	    extern void gs_iodev_init(P1(gs_memory_t *));
+
+	    gs_iodev_init(imemory);
+	}
+	call_init(op_init);	/* requires obj_init */
+
+	/* Set up the array of additional initialization files. */
+	init2_make_string_array(gs_init_file_array, "INITFILES");
+	/* Set up the array of emulator names. */
+	init2_make_string_array(gs_emulator_name_array, "EMULATORS");
+	/* Pass the search path. */
+	initial_enter_name("LIBPATH", &minst->lib_path.list);
+
+	/* Execute the standard initialization file. */
+	code = gs_run_init_file(minst, &exit_code, &error_object);
+	if (code < 0) {
+	    if (code != e_Fatal)
+		gs_debug_dump_stack(code, &error_object);
+	    gs_exit_with_code((exit_code ? exit_code : 2), code);
+	}
+	minst->init_done = 2;
+    }
+    if (gs_debug_c(':'))
+	print_resource_usage(minst, &gs_imemory, "Start");
+}
+
+/* ------ Search paths ------ */
+
+/* Internal routine to add a set of directories to a search list. */
+/* Returns 0 or an error code. */
+private int
+file_path_add(gs_file_path * pfp, const char *dirs)
+{
+    uint len = r_size(&pfp->list);
+    const char *dpath = dirs;
+
+    if (dirs == 0)
+	return 0;
+    for (;;) {			/* Find the end of the next directory name. */
+	const char *npath = dpath;
+
+	while (*npath != 0 && *npath != gp_file_name_list_separator)
+	    npath++;
+	if (npath > dpath) {
+	    if (len == r_size(&pfp->container))
+		return_error(e_limitcheck);
+	    make_const_string(&pfp->container.value.refs[len],
+			      avm_foreign | a_readonly,
+			      npath - dpath, (const byte *)dpath);
+	    ++len;
+	}
+	if (!*npath)
+	    break;
+	dpath = npath + 1;
+    }
+    r_set_size(&pfp->list, len);
+    return 0;
+}
+
+/* Add a library search path to the list. */
+void
+gs_main_add_lib_path(gs_main_instance * minst, const char *lpath)
+{				/* Account for the possibility that the first element */
+    /* is gp_current_directory name added by set_lib_paths. */
+    int first_is_here =
+    (r_size(&minst->lib_path.list) != 0 &&
+     minst->lib_path.container.value.refs[0].value.bytes ==
+     (const byte *)gp_current_directory_name ? 1 : 0);
+
+    r_set_size(&minst->lib_path.list, minst->lib_path.count +
+	       first_is_here);
+    file_path_add(&minst->lib_path, lpath);
+    minst->lib_path.count = r_size(&minst->lib_path.list) - first_is_here;
+    gs_main_set_lib_paths(minst);
+}
+
+/* ------ Execution ------ */
+
+/* Complete the list of library search paths. */
+/* This may involve adding or removing the current directory */
+/* as the first element. */
+void
+gs_main_set_lib_paths(gs_main_instance * minst)
+{
+    ref *paths = minst->lib_path.container.value.refs;
+    int first_is_here =
+    (r_size(&minst->lib_path.list) != 0 &&
+    paths[0].value.bytes == (const byte *)gp_current_directory_name ? 1 : 0);
+    int count = minst->lib_path.count;
+
+    if (minst->search_here_first) {
+	if (!(first_is_here ||
+	      (r_size(&minst->lib_path.list) != 0 &&
+	       !bytes_compare((const byte *)gp_current_directory_name,
+			      strlen(gp_current_directory_name),
+			      paths[0].value.bytes,
+			      r_size(&paths[0]))))
+	    ) {
+	    memmove(paths + 1, paths, count * sizeof(*paths));
+	    make_const_string(paths, avm_foreign | a_readonly,
+			      strlen(gp_current_directory_name),
+			      (const byte *)gp_current_directory_name);
+	}
+    } else {
+	if (first_is_here)
+	    memmove(paths, paths + 1, count * sizeof(*paths));
+    }
+    r_set_size(&minst->lib_path.list,
+	       count + (minst->search_here_first ? 1 : 0));
+    if (minst->lib_path.env != 0)
+	file_path_add(&minst->lib_path, minst->lib_path.env);
+    if (minst->lib_path.final != 0)
+	file_path_add(&minst->lib_path, minst->lib_path.final);
+}
+
+/* Open a file, using the search paths. */
+int
+gs_main_lib_open(gs_main_instance * minst, const char *file_name, ref * pfile)
+{				/* This is a separate procedure only to avoid tying up */
+    /* extra stack space while running the file. */
+#define maxfn 200
+    byte fn[maxfn];
+    uint len;
+
+    return lib_file_open(file_name, strlen(file_name), fn, maxfn,
+			 &len, pfile);
+}
+
+/* Open and execute a file. */
+int
+gs_main_run_file(gs_main_instance * minst, const char *file_name, int user_errors, int *pexit_code, ref * perror_object)
+{
+    ref initial_file;
+    int code = gs_main_run_file_open(minst, file_name, &initial_file);
+
+    if (code < 0)
+	return code;
+    return gs_interpret(&initial_file, user_errors, pexit_code, perror_object);
+}
+int
+gs_main_run_file_open(gs_main_instance * minst, const char *file_name, ref * pfref)
+{
+    gs_main_set_lib_paths(minst);
+    if (gs_main_lib_open(minst, file_name, pfref) < 0) {
+	eprintf1("Can't find initialization file %s.\n", file_name);
+	return_error(e_Fatal);
+    }
+    r_set_attrs(pfref, a_execute + a_executable);
+    return 0;
+}
+
+/* Open and run the very first initialization file. */
+private int
+gs_run_init_file(gs_main_instance * minst, int *pexit_code, ref * perror_object)
+{
+    ref ifile;
+    ref first_token;
+    int code;
+    scanner_state state;
+
+    gs_main_set_lib_paths(minst);
+    if (gs_init_string_sizeof == 0) {	/* Read from gs_init_file. */
+	code = gs_main_run_file_open(minst, gs_init_file, &ifile);
+    } else {			/* Read from gs_init_string. */
+	code = file_read_string(gs_init_string, gs_init_string_sizeof,
+				&ifile);
+    }
+    if (code < 0) {
+	*pexit_code = 255;
+	return code;
+    }
+    /* Check to make sure the first token is an integer */
+    /* (for the version number check.) */
+    scanner_state_init(&state, false);
+    code = scan_token(ifile.value.pfile, &first_token, &state);
+    if (code != 0 || !r_has_type(&first_token, t_integer)) {
+	eprintf1("Initialization file %s does not begin with an integer.\n", gs_init_file);
+	*pexit_code = 255;
+	return_error(e_Fatal);
+    }
+    *++osp = first_token;
+    r_set_attrs(&ifile, a_executable);
+    return gs_interpret(&ifile, minst->user_errors,
+			pexit_code, perror_object);
+}
+
+/* Run a string. */
+int
+gs_main_run_string(gs_main_instance * minst, const char *str, int user_errors,
+		   int *pexit_code, ref * perror_object)
+{
+    return gs_main_run_string_with_length(minst, str, (uint) strlen(str),
+					  user_errors,
+					  pexit_code, perror_object);
+}
+int
+gs_main_run_string_with_length(gs_main_instance * minst, const char *str,
+	 uint length, int user_errors, int *pexit_code, ref * perror_object)
+{
+    int code;
+
+    code = gs_main_run_string_begin(minst, user_errors,
+				    pexit_code, perror_object);
+    if (code < 0)
+	return code;
+    code = gs_main_run_string_continue(minst, str, length, user_errors,
+				       pexit_code, perror_object);
+    if (code != e_NeedInput)
+	return code;
+    return gs_main_run_string_end(minst, user_errors,
+				  pexit_code, perror_object);
+}
+
+/* Set up for a suspendable run_string. */
+int
+gs_main_run_string_begin(gs_main_instance * minst, int user_errors,
+			 int *pexit_code, ref * perror_object)
+{
+    const char *setup = ".runstringbegin";
+    ref rstr;
+    int code;
+
+    gs_main_set_lib_paths(minst);
+    make_const_string(&rstr, avm_foreign | a_readonly | a_executable,
+		      strlen(setup), (const byte *)setup);
+    code = gs_interpret(&rstr, user_errors, pexit_code, perror_object);
+    return (code == e_NeedInput ? 0 : code == 0 ? e_Fatal : code);
+}
+/* Continue running a string with the option of suspending. */
+int
+gs_main_run_string_continue(gs_main_instance * minst, const char *str,
+	 uint length, int user_errors, int *pexit_code, ref * perror_object)
+{
+    ref rstr;
+
+    if (length == 0)
+	return 0;		/* empty string signals EOF */
+    make_const_string(&rstr, avm_foreign | a_readonly, length,
+		      (const byte *)str);
+    return gs_interpret(&rstr, user_errors, pexit_code, perror_object);
+}
+/* Signal EOF when suspended. */
+int
+gs_main_run_string_end(gs_main_instance * minst, int user_errors,
+		       int *pexit_code, ref * perror_object)
+{
+    ref rstr;
+
+    make_empty_const_string(&rstr, avm_foreign | a_readonly);
+    return gs_interpret(&rstr, user_errors, pexit_code, perror_object);
+}
+
+/* ------ Operand stack access ------ */
+
+/* These are built for comfort, not for speed. */
+
+private int
+push_value(ref * pvalue)
+{
+    int code = ref_stack_push(&o_stack, 1);
+
+    if (code < 0)
+	return code;
+    *ref_stack_index(&o_stack, 0L) = *pvalue;
+    return 0;
+}
+
+int
+gs_push_boolean(gs_main_instance * minst, bool value)
+{
+    ref vref;
+
+    make_bool(&vref, value);
+    return push_value(&vref);
+}
+
+int
+gs_push_integer(gs_main_instance * minst, long value)
+{
+    ref vref;
+
+    make_int(&vref, value);
+    return push_value(&vref);
+}
+
+int
+gs_push_real(gs_main_instance * minst, floatp value)
+{
+    ref vref;
+
+    make_real(&vref, value);
+    return push_value(&vref);
+}
+
+int
+gs_push_string(gs_main_instance * minst, byte * chars, uint length,
+	       bool read_only)
+{
+    ref vref;
+
+    make_string(&vref, avm_foreign | (read_only ? a_readonly : a_all),
+		length, (byte *) chars);
+    return push_value(&vref);
+}
+
+private int
+pop_value(ref * pvalue)
+{
+    if (!ref_stack_count(&o_stack))
+	return_error(e_stackunderflow);
+    *pvalue = *ref_stack_index(&o_stack, 0L);
+    return 0;
+}
+
+int
+gs_pop_boolean(gs_main_instance * minst, bool * result)
+{
+    ref vref;
+    int code = pop_value(&vref);
+
+    if (code < 0)
+	return code;
+    check_type_only(vref, t_boolean);
+    *result = vref.value.boolval;
+    ref_stack_pop(&o_stack, 1);
+    return 0;
+}
+
+int
+gs_pop_integer(gs_main_instance * minst, long *result)
+{
+    ref vref;
+    int code = pop_value(&vref);
+
+    if (code < 0)
+	return code;
+    check_type_only(vref, t_integer);
+    *result = vref.value.intval;
+    ref_stack_pop(&o_stack, 1);
+    return 0;
+}
+
+int
+gs_pop_real(gs_main_instance * minst, float *result)
+{
+    ref vref;
+    int code = pop_value(&vref);
+
+    if (code < 0)
+	return code;
+    switch (r_type(&vref)) {
+	case t_real:
+	    *result = vref.value.realval;
+	    break;
+	case t_integer:
+	    *result = vref.value.intval;
+	    break;
+	default:
+	    return_error(e_typecheck);
+    }
+    ref_stack_pop(&o_stack, 1);
+    return 0;
+}
+
+int
+gs_pop_string(gs_main_instance * minst, gs_string * result)
+{
+    ref vref;
+    int code = pop_value(&vref);
+
+    if (code < 0)
+	return code;
+    switch (r_type(&vref)) {
+	case t_name:
+	    name_string_ref(&vref, &vref);
+	    code = 1;
+	    goto rstr;
+	case t_string:
+	    code = (r_has_attr(&vref, a_write) ? 0 : 1);
+	  rstr:result->data = vref.value.bytes;
+	    result->size = r_size(&vref);
+	    break;
+	default:
+	    return_error(e_typecheck);
+    }
+    ref_stack_pop(&o_stack, 1);
+    return code;
+}
+
+/* ------ Termination ------ */
+
+/* Free all resources and exit. */
+void
+gs_main_finit(gs_main_instance * minst, int exit_status, int code)
+{	/*
+	 * Previous versions of this code closed the devices in the
+	 * device list here.  Since these devices are now prototypes,
+	 * they cannot be opened, so they do not need to be closed;
+	 * alloc_restore_all will close dynamically allocated devices.
+	 */
+    gs_exit_status = exit_status;	/* see above */
+
+    if (gs_debug_c(':'))
+	print_resource_usage(minst, &gs_imemory, "Final");
+    /* Do the equivalent of a restore "past the bottom". */
+    /* This will release all memory, close all open files, etc. */
+    if (minst->init_done >= 1)
+	alloc_restore_all(idmemory);
+    gs_lib_finit(exit_status, code);
+}
+void
+gs_exit_with_code(int exit_status, int code)
+{
+    gs_finit(exit_status, code);
+    gp_do_exit(exit_status);
+}
+void
+gs_exit(int exit_status)
+{
+    gs_exit_with_code(exit_status, 0);
+}
+
+/* ------ Debugging ------ */
+
+/* Print resource usage statistics. */
+private void
+print_resource_usage(const gs_main_instance * minst, gs_dual_memory_t * dmem,
+		     const char *msg)
+{
+    ulong allocated = 0, used = 0;
+    long utime[2];
+
+    gp_get_usertime(utime);
+    {
+	int i;
+
+	for (i = 0; i < countof(dmem->spaces.indexed); ++i) {
+	    gs_ref_memory_t *mem = dmem->spaces.indexed[i];
+
+	    if (mem != 0 && (i == 0 || mem != dmem->spaces.indexed[i - 1])) {
+		gs_memory_status_t status;
+
+		gs_memory_status((gs_memory_t *) mem, &status);
+		allocated += status.allocated;
+		used += status.used;
+	    }
+	}
+    }
+    dprintf4("%% %s time = %g, memory allocated = %lu, used = %lu\n",
+	     msg, utime[0] - minst->base_time[0] +
+	     (utime[1] - minst->base_time[1]) / 1000000000.0,
+	     allocated, used);
+}
+
+/* Dump the stacks after interpretation */
+void
+gs_debug_dump_stack(int code, ref * perror_object)
+{
+    zflush(osp);		/* force out buffered output */
+    dprintf1("\nUnexpected interpreter error %d.\n", code);
+    if (perror_object != 0) {
+	dputs("Error object: ");
+	debug_print_ref(perror_object);
+	dputc('\n');
+    }
+    debug_dump_stack(&o_stack, "Operand stack");
+    debug_dump_stack(&e_stack, "Execution stack");
+    debug_dump_stack(&d_stack, "Dictionary stack");
+}
diff --git a/pstoraster/imain.h b/pstoraster/imain.h
new file mode 100644
index 000000000..fb1eac51d
--- /dev/null
+++ b/pstoraster/imain.h
@@ -0,0 +1,276 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to imain.c */
+/* Requires <stdio.h>, stdpre.h, gsmemory.h, gstypes.h, iref.h */
+
+#ifndef imain_INCLUDED
+#  define imain_INCLUDED
+
+#include "gsexit.h"		/* exported by imain.c */
+
+/*
+ * This file defines the intended API between client front ends
+ * (such as imainarg.c, the command-line-driven front end)
+ * and imain.c, which provides top-level control of the interpreter.
+ */
+
+/* ================ Types ================ */
+
+/*
+ * Currently, the interpreter has a lot of static variables, but
+ * eventually it will have none, so that clients will be able to make
+ * multiple instances of it.  In anticipation of this, many of the
+ * top-level API calls take an interpreter instance (gs_main_instance *)
+ * as their first argument.
+ */
+#ifndef gs_main_instance_DEFINED
+#  define gs_main_instance_DEFINED
+typedef struct gs_main_instance_s gs_main_instance;
+
+#endif
+
+/* ================ Exported procedures from imain.c ================ */
+
+/* ---------------- Instance creation ---------------- */
+
+/*
+ * As noted above, multiple instances are not supported yet:
+ */
+/*gs_main_instance *gs_main_alloc_instance(P1(gs_memory_t *)); */
+/*
+ * Instead, we provide only a default instance:
+ */
+gs_main_instance *gs_main_instance_default(P0());
+
+/* ---------------- Initialization ---------------- */
+
+/*
+ * The interpreter requires three initialization steps, called init0,
+ * init1, and init2.  These steps must be done in that order, but
+ * init1 may be omitted.
+ */
+
+/*
+ * Since gsio.h (which is included in many other header files)
+ * redefines stdin/out/err, callers need a way to get the "real"
+ * stdio files to pass to init0 if they wish to do so.
+ */
+void gs_get_real_stdio(P1(FILE * stdfiles[3]));
+
+/*
+ * init0 records the files to be used for stdio, and initializes the
+ * graphics library, the file search paths, and other instance data.
+ */
+void gs_main_init0(P5(gs_main_instance * minst, FILE * in, FILE * out, FILE * err,
+		      int max_lib_paths));
+
+/*
+ * init1 initializes the memory manager and other internal data
+ * structures such as the name table, the token scanner tables,
+ * dictionaries such as systemdict, and the interpreter stacks.
+ */
+void gs_main_init1(P1(gs_main_instance * minst));
+
+/*
+ * init2 finishes preparing the interpreter for use by running
+ * initialization files with PostScript procedure definitions.
+ */
+void gs_main_init2(P1(gs_main_instance * minst));
+
+/*
+ * The runlibfile operator uses a search path, as described in
+ * use.doc, for looking up file names.  Each interpreter instance has
+ * its own search path.  The following call adds a directory or set of
+ * directories to the search path; it is equivalent to the -I command
+ * line switch.  It may be called any time after init0.
+ */
+void gs_main_add_lib_path(P2(gs_main_instance * minst, const char *path));
+
+/*
+ * Under certain internal conditions, the search path may temporarily
+ * be in an inconsistent state; gs_main_set_lib_paths takes care of
+ * this.  Clients should never need to call this procedure, and
+ * eventually it may be removed.
+ */
+void gs_main_set_lib_paths(P1(gs_main_instance * minst));
+
+/*
+ * Open a PostScript file using the search path.  Clients should
+ * never need to call this procedure, since gs_main_run_file opens the
+ * file itself, and eventually the procedure may be removed.
+ */
+int gs_main_lib_open(P3(gs_main_instance * minst, const char *fname,
+			ref * pfile));
+
+/*
+ * Here we summarize the C API calls that correspond to some of the
+ * most common command line switches documented in use.doc, to help
+ * clients who are familiar with the command line and are starting to
+ * use the API.
+ *
+ *      -d/D, -s/S (for setting device parameters like OutputFile)
+ *              Use the C API for device parameters documented near the
+ *              end of gsparam.h.
+ *
+ *      -d/D (for setting Boolean parameters like NOPAUSE)
+ *              { ref vtrue;
+ *                make_true(&vtrue);
+ *                dict_put_string(systemdict, "NOPAUSE", &vtrue);
+ *              }
+ *      -I
+ *              Use gs_main_add_lib_path, documented above.
+ *
+ *      -A, -A-
+ *              Set gs_debug['@'] = 1 or 0 respectively.
+ *      -E, -E-
+ *              Set gs_debug['#'] = 1 or 0 respectively.
+ *      -Z..., -Z-...
+ *              Set gs_debug[c] = 1 or 0 respectively for each character
+ *              c in the string.
+ */
+
+/* ---------------- Execution ---------------- */
+
+/*
+ * After initializing the interpreter, clients may pass it files or
+ * strings to be interpreted.  There are four ways to do this:
+ *      - Pass a file name (gs_main_run_file);
+ *      - Pass a C string (gs_main_run_string);
+ *      - Pass a string defined by pointer and length
+ *              (gs_main_run_string_with_length);
+ *      - Pass strings piece-by-piece
+ *              (gs_main_run_string_begin/continue/end).
+ *
+ * The value returned by the first three of these calls is
+ * 0 if the interpreter ran to completion, e_Quit for a normal quit,
+ * or e_Fatal for a non-zero quit or a fatal error.
+ * e_Fatal stores the exit code in the third argument.
+ * The str argument of gs_main_run_string[_with_length] must be allocated
+ * in non-garbage-collectable space (e.g., by malloc or gs_malloc,
+ * or statically).
+ */
+int gs_main_run_file(P5(gs_main_instance * minst,
+			const char *fname,
+			int user_errors, int *pexit_code,
+			ref * perror_object));
+int gs_main_run_string(P5(gs_main_instance * minst,
+			  const char *str,
+			  int user_errors, int *pexit_code,
+			  ref * perror_object));
+int gs_main_run_string_with_length(P6(gs_main_instance * minst,
+				      const char *str, uint length,
+				      int user_errors, int *pexit_code,
+				      ref * perror_object));
+
+/*
+ * Open the file for gs_main_run_file.  This is an internal routine
+ * that is only exported for some special clients.
+ */
+int gs_main_run_file_open(P3(gs_main_instance * minst,
+			     const char *file_name, ref * pfref));
+
+/*
+ * The next 3 procedures provide for feeding input to the interpreter
+ * in arbitrary chunks, unlike run_string, which requires that each string
+ * be a properly formed PostScript program fragment.  To use them:
+ *      Call run_string_begin.
+ *      Call run_string_continue as many times as desired,
+ *        stopping if it returns anything other than e_NeedInput.
+ *      If run_string_continue didn't indicate an error or a quit
+ *        (i.e., a return value other than e_NeedInput), call run_string_end
+ *        to provide an EOF indication.
+ * Note that run_string_continue takes a pointer and a length, like
+ * run_string_with_length.
+ */
+int gs_main_run_string_begin(P4(gs_main_instance * minst, int user_errors,
+				int *pexit_code, ref * perror_object));
+int gs_main_run_string_continue(P6(gs_main_instance * minst,
+				   const char *str, uint length,
+				   int user_errors, int *pexit_code,
+				   ref * perror_object));
+int gs_main_run_string_end(P4(gs_main_instance * minst, int user_errors,
+			      int *pexit_code, ref * perror_object));
+
+/* ---------------- Operand stack access ---------------- */
+
+/*
+ * The following procedures are not used in normal operation;
+ * they exist only to allow clients driving the interpreter through the
+ * gs_main_run_xxx procedures to push parameters quickly and to get results
+ * back.  The push procedures return 0, e_stackoverflow, or e_VMerror;
+ * the pop procedures return 0, e_stackunderflow, or e_typecheck.
+ *
+ * Procedures to push values on the operand stack:
+ */
+int gs_push_boolean(P2(gs_main_instance * minst, bool value));
+int gs_push_integer(P2(gs_main_instance * minst, long value));
+int gs_push_real(P2(gs_main_instance * minst, floatp value));
+int gs_push_string(P4(gs_main_instance * minst, byte * chars, uint length,
+		      bool read_only));
+
+/*
+ * Procedures to pop values from the operand stack:
+ */
+int gs_pop_boolean(P2(gs_main_instance * minst, bool * result));
+int gs_pop_integer(P2(gs_main_instance * minst, long *result));
+int gs_pop_real(P2(gs_main_instance * minst, float *result));
+
+/* gs_pop_string returns 1 if the string is read-only. */
+int gs_pop_string(P2(gs_main_instance * minst, gs_string * result));
+
+/* ---------------- Debugging ---------------- */
+
+/*
+ * Print an error mesage including the error code, error object (if any),
+ * and operand and execution stacks in hex.  Clients will probably
+ * never call this.
+ */
+void gs_debug_dump_stack(P2(int code, ref * perror_object));
+
+/* ---------------- Termination ---------------- */
+
+/*
+ * Terminate the interpreter by closing all devices and releasing all
+ * allocated memory.  Currently, because of some technical problems
+ * with statically initialized data, it is not possible to reinitialize
+ * the interpreter after terminating it; we plan to fix this as soon as
+ * possible.
+ *
+ * Note that calling gs_exit (defined in gsexit.h) automatically calls
+ * gs_main_finit for the default instance.
+ */
+void gs_main_finit(P3(gs_main_instance * minst, int exit_status, int code));
+
+/* ================ Other exported procedures ================ */
+
+/*
+ * Define an internal interface to the interpreter.  Clients do not
+ * normally use this.
+ */
+int gs_interpret(P4(ref * pref, int user_errors, int *pexit_code,
+		    ref * perror_object));
+
+#endif /* imain_INCLUDED */
diff --git a/pstoraster/imainarg.c b/pstoraster/imainarg.c
new file mode 100644
index 000000000..dd1e02939
--- /dev/null
+++ b/pstoraster/imainarg.c
@@ -0,0 +1,849 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Command line parsing and dispatching */
+#include "ctype_.h"
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "gp.h"
+#include "gsargs.h"
+#include "gscdefs.h"
+#include "gsmalloc.h"		/* for gs_malloc_limit */
+#include "gsmdebug.h"
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gsdevice.h"
+#include "stream.h"
+#include "errors.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "strimpl.h"		/* for sfilter.h */
+#include "sfilter.h"		/* for iscan.h */
+#include "ostack.h"		/* must precede iscan.h */
+#include "iscan.h"
+#include "imain.h"
+#include "imainarg.h"
+#include "iminst.h"
+#include "iname.h"
+#include "store.h"
+#include "files.h"		/* requires stream.h */
+#include "interp.h"
+#include "iutil.h"
+#include "ivmspace.h"
+
+/* Import operator procedures */
+extern int zflush(P1(os_ptr));
+extern int zflushpage(P1(os_ptr));
+
+#ifndef GS_LIB
+#  define GS_LIB "GS_LIB"
+#endif
+
+#ifndef GS_OPTIONS
+#  define GS_OPTIONS "GS_OPTIONS"
+#endif
+
+#ifndef GS_MAX_LIB_DIRS
+#  define GS_MAX_LIB_DIRS 25
+#endif
+
+#ifndef GS_BUG_MAILBOX
+#  define GS_BUG_MAILBOX "ghost@aladdin.com"
+#endif
+
+#define MAX_BUFFERED_SIZE 1024
+
+/* Note: sscanf incorrectly defines its first argument as char * */
+/* rather than const char *.  This accounts for the ugly casts below. */
+
+/* Redefine puts to use fprintf, so it will work even without stdio. */
+#undef puts
+private void
+fpputs(const char *str)
+{
+    fprintf(stderr, "%s\n", str);
+}
+#define puts(str) fpputs(str)
+
+/* Other imported data */
+extern const char *const gs_doc_directory;
+extern const char *const gs_lib_default_path;
+extern const ref gs_emulator_name_array[];
+
+/* Forward references */
+#define runInit 1
+#define runFlush 2
+#define runBuffer 4
+private int swproc(P3(gs_main_instance *, const char *, arg_list *));
+private void argproc(P2(gs_main_instance *, const char *));
+private void run_buffered(P2(gs_main_instance *, const char *));
+private int esc_strlen(P1(const char *));
+private void esc_strcat(P2(char *, const char *));
+private void runarg(P5(gs_main_instance *, const char *, const char *, const char *, int));
+private void run_string(P3(gs_main_instance *, const char *, int));
+private void run_finish(P3(int, int, ref *));
+
+/* Forward references for help printout */
+private void print_help(P1(gs_main_instance *));
+private void print_revision(P0());
+private void print_version(P0());
+private void print_usage(P0());
+private void print_devices(P0());
+private void print_emulators(P0());
+private void print_paths(P1(gs_main_instance *));
+private void print_help_trailer(P0());
+
+/* ------ Main program ------ */
+
+/* Process the command line with a given instance. */
+private FILE *
+gs_main_arg_fopen(const char *fname, void *vminst)
+{
+    gs_main_set_lib_paths((gs_main_instance *) vminst);
+    return lib_fopen(fname);
+}
+#define arg_heap_copy(str) arg_copy(str, &gs_memory_default)
+int
+gs_main_init_with_args(gs_main_instance * minst, int argc, char *argv[])
+{
+    const char *arg;
+    arg_list args;
+    FILE *stdfiles[3];
+
+    gs_get_real_stdio(stdfiles);
+    arg_init(&args, (const char **)argv, argc,
+	     gs_main_arg_fopen, (void *)minst);
+    gs_main_init0(minst, stdfiles[0], stdfiles[1], stdfiles[2],
+		  GS_MAX_LIB_DIRS);
+    {
+	int len = 0;
+	int code = gp_getenv(GS_LIB, (char *)0, &len);
+
+	if (code < 0) {		/* key present, value doesn't fit */
+	    char *path = (char *)gs_alloc_bytes(minst->heap, len, "GS_LIB");
+
+	    gp_getenv(GS_LIB, path, &len);	/* can't fail */
+	    minst->lib_path.env = path;
+	}
+    }
+    minst->lib_path.final = gs_lib_default_path;
+    gs_main_set_lib_paths(minst);
+    /* Prescan the command line for --help and --version. */
+    {
+	int i;
+	bool helping = false;
+
+	for (i = 1; i < argc; ++i)
+	    if (!strcmp(argv[i], "--")) {	/* A PostScript program will be interpreting all the */
+		/* remaining switches, so stop scanning. */
+		helping = false;
+		break;
+	    } else if (!strcmp(argv[i], "--help")) {
+		print_help(minst);
+		helping = true;
+	    } else if (!strcmp(argv[i], "--version")) {
+		print_version();
+		puts("");	/* \n */
+		helping = true;
+	    }
+	if (helping)
+	    gs_exit(gs_exit_INFO);
+    }
+    /* Execute files named in the command line, */
+    /* processing options along the way. */
+    /* Wait until the first file name (or the end */
+    /* of the line) to finish initialization. */
+    minst->run_start = true;
+
+    {
+	int len = 0;
+	int code = gp_getenv(GS_OPTIONS, (char *)0, &len);
+
+	if (code < 0) {		/* key present, value doesn't fit */
+	    char *opts =
+	    (char *)gs_alloc_bytes(minst->heap, len, "GS_OPTIONS");
+
+	    gp_getenv(GS_OPTIONS, opts, &len);	/* can't fail */
+	    arg_push_memory_string(&args, opts, minst->heap);
+	}
+    }
+    while ((arg = arg_next(&args)) != 0) {
+	switch (*arg) {
+	    case '-':
+		if (swproc(minst, arg, &args) < 0)
+		    fprintf(stderr,
+			    "Unknown switch %s - ignoring\n", arg);
+		break;
+	    default:
+		argproc(minst, arg);
+	}
+    }
+
+    gs_main_init2(minst);
+
+    return 0;
+}
+
+/* Run the 'start' procedure (after processing the command line). */
+/* Note that this procedure exits rather than returning. */
+void
+gs_main_run_start(gs_main_instance * minst)
+{
+    run_string(minst, "systemdict /start get exec", runFlush);
+}
+
+/* Process switches */
+private int
+swproc(gs_main_instance * minst, const char *arg, arg_list * pal)
+{
+    char sw = arg[1];
+    ref vtrue;
+
+    make_true(&vtrue);
+    arg += 2;			/* skip - and letter */
+    switch (sw) {
+	default:
+	    return -1;
+	case 0:		/* read stdin as a file */
+	    minst->run_start = false;	/* don't run 'start' */
+	    /* Set NOPAUSE so showpage won't try to read from stdin. */
+	    swproc(minst, "-dNOPAUSE", pal);
+	    gs_main_init2(minst);	/* Finish initialization */
+	    /* We delete this only to make Ghostview work properly. */
+/**************** This is WRONG. ****************/
+	    /*gs_stdin_is_interactive = false; */
+	    run_string(minst, ".runstdin", runFlush);
+	    break;
+	case '-':		/* run with command line args */
+	case '+':
+	    pal->expand_ats = false;
+	case '@':		/* ditto with @-expansion */
+	    {
+		const char *psarg = arg_next(pal);
+
+		if (psarg == 0) {
+		    fprintf(stderr, "Usage: gs ... -%c file.ps arg1 ... argn\n", sw);
+		    arg_finit(pal);
+		    gs_exit(1);
+		}
+		psarg = arg_heap_copy(psarg);
+		gs_main_init2(minst);
+		run_string(minst, "userdict/ARGUMENTS[", 0);
+		while ((arg = arg_next(pal)) != 0)
+		    runarg(minst, "", arg_heap_copy(arg), "", runInit);
+		runarg(minst, "]put", psarg, ".runfile", runInit | runFlush);
+		gs_exit(0);
+	    }
+	case 'A':		/* trace allocator */
+	    switch (*arg) {
+		case 0:
+		    gs_alloc_debug = 1;
+		    break;
+		case '-':
+		    gs_alloc_debug = 0;
+		    break;
+		default:
+		    puts("-A may only be followed by -");
+		    gs_exit(1);
+	    }
+	    break;
+	case 'B':		/* set run_string buffer size */
+	    if (*arg == '-')
+		minst->run_buffer_size = 0;
+	    else {
+		uint bsize;
+
+		if (sscanf((const char *)arg, "%u", &bsize) != 1 ||
+		    bsize <= 0 || bsize > MAX_BUFFERED_SIZE
+		    ) {
+		    fprintf(stderr, "-B must be followed by - or size between 1 and %u\n", MAX_BUFFERED_SIZE);
+		    gs_exit(1);
+		}
+		minst->run_buffer_size = bsize;
+	    }
+	    break;
+	case 'c':		/* code follows */
+	    {
+		bool ats = pal->expand_ats;
+
+		gs_main_init2(minst);
+		pal->expand_ats = false;
+		while ((arg = arg_next(pal)) != 0) {
+		    char *sarg;
+
+		    if (arg[0] == '@' ||
+			(arg[0] == '-' && !isdigit(arg[1]))
+			)
+			break;
+		    sarg = arg_heap_copy(arg);
+		    runarg(minst, "", sarg, ".runstring", 0);
+		}
+		if (arg != 0)
+		    arg_push_string(pal, arg_heap_copy(arg));
+		pal->expand_ats = ats;
+		break;
+	    }
+	case 'E':		/* log errors */
+	    switch (*arg) {
+		case 0:
+		    gs_log_errors = 1;
+		    break;
+		case '-':
+		    gs_log_errors = 0;
+		    break;
+		default:
+		    puts("-E may only be followed by -");
+		    gs_exit(1);
+	    }
+	    break;
+	case 'f':		/* run file of arbitrary name */
+	    if (*arg != 0)
+		argproc(minst, arg);
+	    break;
+	case 'F':		/* run file with buffer_size = 1 */
+	    if (!*arg) {
+		puts("-F requires a file name");
+		gs_exit(1);
+	    } {
+		uint bsize = minst->run_buffer_size;
+
+		minst->run_buffer_size = 1;
+		argproc(minst, arg);
+		minst->run_buffer_size = bsize;
+	    }
+	    break;
+	case 'g':		/* define device geometry */
+	    {
+		long width, height;
+		ref value;
+
+		gs_main_init1(minst);
+		if (sscanf((const char *)arg, "%ldx%ld", &width, &height) != 2) {
+		    puts("-g must be followed by <width>x<height>");
+		    gs_exit(1);
+		}
+		make_int(&value, width);
+		initial_enter_name("DEVICEWIDTH", &value);
+		make_int(&value, height);
+		initial_enter_name("DEVICEHEIGHT", &value);
+		initial_enter_name("FIXEDMEDIA", &vtrue);
+		break;
+	    }
+	case 'h':		/* print help */
+	case '?':		/* ditto */
+	    print_help(minst);
+	    gs_exit(gs_exit_INFO);
+	case 'I':		/* specify search path */
+	    gs_main_add_lib_path(minst, arg_heap_copy(arg));
+	    break;
+	case 'K':		/* set malloc limit */
+	    {
+		long msize = 0;
+
+		sscanf((const char *)arg, "%ld", &msize);
+		if (msize <= 0 || msize > max_long >> 10) {
+		    fprintf(stderr, "-K<numK> must have 1 <= numK <= %ld\n",
+			    max_long >> 10);
+		    gs_exit(1);
+		}
+		gs_malloc_limit = msize << 10;
+	    }
+	    break;
+	case 'M':		/* set memory allocation increment */
+	    {
+		unsigned msize = 0;
+
+		sscanf((const char *)arg, "%u", &msize);
+#if arch_ints_are_short
+		if (msize <= 0 || msize >= 64) {
+		    puts("-M must be between 1 and 63");
+		    gs_exit(1);
+		}
+#endif
+		minst->memory_chunk_size = msize << 10;
+	    }
+	    break;
+	case 'N':		/* set size of name table */
+	    {
+		unsigned nsize = 0;
+
+		sscanf((const char *)arg, "%d", &nsize);
+#if arch_ints_are_short
+		if (nsize < 2 || nsize > 64) {
+		    puts("-N must be between 2 and 64");
+		    gs_exit(1);
+		}
+#endif
+		minst->name_table_size = (ulong) nsize << 10;
+	    }
+	    break;
+	case 'P':		/* choose whether search '.' first */
+	    if (!strcmp(arg, ""))
+		minst->search_here_first = true;
+	    else if (!strcmp(arg, "-"))
+		minst->search_here_first = false;
+	    else {
+		puts("Only -P or -P- is allowed.");
+		gs_exit(1);
+	    }
+	    break;
+	case 'q':		/* quiet startup */
+	    gs_main_init1(minst);
+	    initial_enter_name("QUIET", &vtrue);
+	    break;
+	case 'r':		/* define device resolution */
+	    {
+		float xres, yres;
+		ref value;
+
+		gs_main_init1(minst);
+		switch (sscanf((const char *)arg, "%fx%f", &xres, &yres)) {
+		    default:
+			puts("-r must be followed by <res> or <xres>x<yres>");
+			gs_exit(1);
+		    case 1:	/* -r<res> */
+			yres = xres;
+		    case 2:	/* -r<xres>x<yres> */
+			make_real(&value, xres);
+			initial_enter_name("DEVICEXRESOLUTION", &value);
+			make_real(&value, yres);
+			initial_enter_name("DEVICEYRESOLUTION", &value);
+			initial_enter_name("FIXEDRESOLUTION", &vtrue);
+		}
+		break;
+	    }
+	case 'D':		/* define name */
+	case 'd':
+	case 'S':		/* define name as string */
+	case 's':
+	    {
+		char *adef = arg_heap_copy(arg);
+		char *eqp = strchr(adef, '=');
+		bool isd = (sw == 'D' || sw == 'd');
+		ref value;
+
+		if (eqp == NULL)
+		    eqp = strchr(adef, '#');
+		/* Initialize the object memory, scanner, and */
+		/* name table now if needed. */
+		gs_main_init1(minst);
+		if (eqp == adef) {
+		    puts("Usage: -dname, -dname=token, -sname=string");
+		    gs_exit(1);
+		}
+		if (eqp == NULL) {
+		    if (isd)
+			make_true(&value);
+		    else
+			make_empty_string(&value, a_readonly);
+		} else {
+		    int code;
+		    uint space = icurrent_space;
+
+		    *eqp++ = 0;
+		    ialloc_set_space(idmemory, avm_system);
+		    if (isd) {
+			stream astream;
+			scanner_state state;
+
+			sread_string(&astream,
+				     (const byte *)eqp, strlen(eqp));
+			scanner_state_init(&state, false);
+			code = scan_token(&astream, &value, &state);
+			if (code) {
+			    puts("-dname= must be followed by a valid token");
+			    gs_exit(1);
+			}
+			if (r_has_type_attrs(&value, t_name,
+					     a_executable)) {
+			    ref nsref;
+
+			    name_string_ref(&value, &nsref);
+#define string_is(nsref, str, len)\
+  (r_size(&(nsref)) == (len) &&\
+   !strncmp((const char *)(nsref).value.const_bytes, str, (len)))
+			    if (string_is(nsref, "null", 4))
+				make_null(&value);
+			    else if (string_is(nsref, "true", 4))
+				make_true(&value);
+			    else if (string_is(nsref, "false", 5))
+				make_false(&value);
+			    else {
+				puts("-dvar=name requires name=null, true, or false");
+				gs_exit(1);
+			    }
+#undef name_is_string
+			}
+		    } else {
+			int len = strlen(eqp);
+			char *str =
+			(char *)gs_alloc_bytes(minst->heap,
+					       (uint) len, "-s");
+
+			if (str == 0) {
+			    lprintf("Out of memory!\n");
+			    gs_exit(1);
+			}
+			memcpy(str, eqp, len);
+			make_const_string(&value,
+					  a_readonly | avm_foreign,
+					  len, (const byte *)str);
+		    }
+		    ialloc_set_space(idmemory, space);
+		}
+		/* Enter the name in systemdict. */
+		initial_enter_name(adef, &value);
+		break;
+	    }
+	case 'u':		/* undefine name */
+	    if (!*arg) {
+		puts("-u requires a name to undefine.");
+		gs_exit(1);
+	    }
+	    gs_main_init1(minst);
+	    initial_remove_name(arg);
+	    break;
+	case 'v':		/* print revision */
+	    print_revision();
+	    gs_exit(0);
+/*#ifdef DEBUG */
+	    /*
+	     * Here we provide a place for inserting debugging code that can be
+	     * run in place of the normal interpreter code.
+	     */
+	case 'X':
+	    gs_main_init2(minst);
+	    {
+		int xec;	/* exit_code */
+		ref xeo;	/* error_object */
+
+#define start_x()\
+  gs_main_run_string_begin(minst, 1, &xec, &xeo)
+#define run_x(str)\
+  gs_main_run_string_continue(minst, str, strlen(str), 1, &xec, &xeo)
+#define stop_x()\
+  gs_main_run_string_end(minst, 1, &xec, &xeo)
+		start_x();
+		run_x("\216\003abc");
+		run_x("== flush\n");
+		stop_x();
+	    }
+	    gs_exit(0);
+/*#endif */
+	case 'Z':
+	    {
+		byte value = (*arg == '-' ? (++arg, 0) : 0xff);
+
+		while (*arg)
+		    gs_debug[*arg++ & 127] = value;
+	    }
+	    break;
+    }
+    return 0;
+}
+
+/* Define versions of strlen and strcat that encode strings in hex. */
+/* This is so we can enter escaped characters regardless of whether */
+/* the Level 1 convention of ignoring \s in strings-within-strings */
+/* is being observed (sigh). */
+private int
+esc_strlen(const char *str)
+{
+    return strlen(str) * 2 + 2;
+}
+private void
+esc_strcat(char *dest, const char *src)
+{
+    char *d = dest + strlen(dest);
+    const char *p;
+    static const char *const hex = "0123456789abcdef";
+
+    *d++ = '<';
+    for (p = src; *p; p++) {
+	byte c = (byte) * p;
+
+	*d++ = hex[c >> 4];
+	*d++ = hex[c & 0xf];
+    }
+    *d++ = '>';
+    *d = 0;
+}
+
+/* Process file names */
+private void
+argproc(gs_main_instance * minst, const char *arg)
+{
+    if (minst->run_buffer_size) {
+	/* Run file with run_string. */
+	run_buffered(minst, arg);
+    } else {
+	/* Run file directly in the normal way. */
+	runarg(minst, "", arg, ".runfile", runInit | runFlush);
+    }
+}
+private void
+run_buffered(gs_main_instance * minst, const char *arg)
+{
+    FILE *in = gp_fopen(arg, gp_fmode_rb);
+    int exit_code;
+    ref error_object;
+    int code;
+
+    if (in == 0) {
+	fprintf(stderr, "Unable to open %s for reading", arg);
+	gs_exit(1);
+    }
+    gs_main_init2(minst);
+    code = gs_main_run_string_begin(minst, minst->user_errors,
+				    &exit_code, &error_object);
+    if (!code) {
+	char buf[MAX_BUFFERED_SIZE];
+	int count;
+
+	code = e_NeedInput;
+	while ((count = fread(buf, 1, minst->run_buffer_size, in)) > 0) {
+	    code = gs_main_run_string_continue(minst, buf, count,
+					       minst->user_errors,
+					       &exit_code, &error_object);
+	    if (code != e_NeedInput)
+		break;
+	}
+	if (code == e_NeedInput) {
+	    code = gs_main_run_string_end(minst, minst->user_errors,
+					  &exit_code, &error_object);
+	}
+    }
+    fclose(in);
+    zflush(osp);
+    zflushpage(osp);
+    run_finish(code, exit_code, &error_object);
+}
+private void
+runarg(gs_main_instance * minst, const char *pre, const char *arg,
+       const char *post, int options)
+{
+    int len = strlen(pre) + esc_strlen(arg) + strlen(post) + 1;
+    char *line;
+
+    if (options & runInit)
+	gs_main_init2(minst);	/* Finish initialization */
+    line = (char *)gs_alloc_bytes(minst->heap, len, "argproc");
+    if (line == 0) {
+	lprintf("Out of memory!\n");
+	gs_exit(1);
+    }
+    strcpy(line, pre);
+    esc_strcat(line, arg);
+    strcat(line, post);
+    run_string(minst, line, options);
+}
+private void
+run_string(gs_main_instance * minst, const char *str, int options)
+{
+    int exit_code;
+    ref error_object;
+    int code = gs_main_run_string(minst, str, minst->user_errors,
+				  &exit_code, &error_object);
+
+    if ((options & runFlush) || code != 0) {
+	zflush(osp);		/* flush stdout */
+	zflushpage(osp);	/* force display update */
+    }
+    run_finish(code, exit_code, &error_object);
+}
+private void
+run_finish(int code, int exit_code, ref * perror_object)
+{
+    switch (code) {
+	case 0:
+	    break;
+	case e_Quit:
+	    gs_exit(0);
+	case e_Fatal:
+	    eprintf1("Unrecoverable error, exit code %d\n", exit_code);
+	    gs_exit(exit_code);
+	default:
+	    gs_debug_dump_stack(code, perror_object);
+	    gs_exit_with_code(255, code);
+    }
+}
+
+/* ---------------- Print information ---------------- */
+
+/*
+ * Help strings.  We have to break them up into parts, because
+ * the Watcom compiler has a limit of 510 characters for a single token.
+ * For PC displays, we want to limit the strings to 24 lines.
+ */
+private const char help_usage1[] = "\
+Usage: gs [switches] [file1.ps file2.ps ...]\n\
+Most frequently used switches: (you can use # in place of =)\n\
+ -dNOPAUSE           no pause after page   | -q       `quiet', fewer messages\n\
+ -g<width>x<height>  page size in pixels   | -r<res>  pixels/inch resolution\n";
+private const char help_usage2[] = "\
+ -sDEVICE=<devname>  select device         | -dBATCH  exit after last file\n\
+ -sOutputFile=<file> select output file: - for stdout, |command for pipe,\n\
+                                         embed %d or %ld for page #\n";
+private const char help_trailer[] = "\
+For more information, see %s%sUse.htm.\n\
+Report bugs to %s, using the form in Bug-form.htm.\n";
+private const char help_devices[] = "Available devices:";
+private const char help_emulators[] = "Input formats:";
+private const char help_paths[] = "Search path:";
+
+/* Print the standard help message. */
+private void
+print_help(gs_main_instance * minst)
+{
+    print_revision();
+    print_usage();
+    print_emulators();
+    print_devices();
+    print_paths(minst);
+    print_help_trailer();
+}
+
+/* Print the revision, revision date, and copyright. */
+private void
+print_revision(void)
+{
+    fprintf(stderr, "%s ", gs_product);
+    print_version();
+    fprintf(stderr, " (%d-%d-%d)\n%s\n",
+	    (int)(gs_revisiondate / 10000),
+	    (int)(gs_revisiondate / 100 % 100),
+	    (int)(gs_revisiondate % 100),
+	    gs_copyright);
+}
+
+/* Print the version number. */
+private void
+print_version(void)
+{
+    fprintf(stderr, "%d.%02d",
+	    (int)(gs_revision / 100),
+	    (int)(gs_revision % 100));
+}
+
+/* Print usage information. */
+private void
+print_usage(void)
+{
+    fprintf(stderr, "%s", help_usage1);
+    fprintf(stderr, "%s", help_usage2);
+}
+
+/* Print the list of available devices. */
+private void
+print_devices(void)
+{
+    fprintf(stderr, "%s", help_devices);
+    {
+	int i;
+	int pos = 100;
+	const gx_device *pdev;
+
+	for (i = 0; (pdev = gs_getdevice(i)) != 0; i++) {
+	    const char *dname = gs_devicename(pdev);
+	    int len = strlen(dname);
+
+	    if (pos + 1 + len > 76)
+		fprintf(stderr, "\n  "), pos = 2;
+	    fprintf(stderr, " %s", dname);
+	    pos += 1 + len;
+	}
+    }
+    fprintf(stderr, "\n");
+}
+
+/* Print the list of language emulators. */
+private void
+print_emulators(void)
+{
+    fprintf(stderr, "%s", help_emulators);
+    {
+	const ref *pes;
+
+	for (pes = gs_emulator_name_array;
+	     pes->value.const_bytes != 0; pes++
+	    )
+	    fprintf(stderr, " %s", pes->value.const_bytes);
+    }
+    fprintf(stderr, "\n");
+}
+
+/* Print the search paths. */
+private void
+print_paths(gs_main_instance * minst)
+{
+    fprintf(stderr, "%s", help_paths);
+    gs_main_set_lib_paths(minst);
+    {
+	uint count = r_size(&minst->lib_path.list);
+	uint i;
+	int pos = 100;
+	char fsepr[3];
+
+	fsepr[0] = ' ', fsepr[1] = gp_file_name_list_separator,
+	    fsepr[2] = 0;
+	for (i = 0; i < count; ++i) {
+	    const ref *prdir =
+	    minst->lib_path.list.value.refs + i;
+	    uint len = r_size(prdir);
+	    const char *sepr = (i == count - 1 ? "" : fsepr);
+
+	    if (1 + pos + strlen(sepr) + len > 76)
+		fprintf(stderr, "\n  "), pos = 2;
+	    fprintf(stderr, " ");
+	    /*
+	     * This is really ugly, but it's necessary.
+	     * We wish we could just do:
+	     fwrite(prdir->value.bytes, 1, len, stdout);
+	     */
+	    {
+		const char *p = (const char *)prdir->value.bytes;
+		uint j;
+
+		for (j = len; j; j--)
+		    fprintf(stderr, "%c", *p++);
+	    }
+	    fprintf(stderr, sepr);
+	    pos += 1 + len + strlen(sepr);
+	}
+    }
+    fprintf(stderr, "\n");
+}
+
+/* Print the help trailer. */
+private void
+print_help_trailer(void)
+{
+    fprintf(stderr, help_trailer, gs_doc_directory,
+	    gp_file_name_concat_string(gs_doc_directory,
+				       strlen(gs_doc_directory),
+				       "Use.htm", 7),
+	    GS_BUG_MAILBOX);
+}
diff --git a/pstoraster/imainarg.h b/pstoraster/imainarg.h
new file mode 100644
index 000000000..d135f2b52
--- /dev/null
+++ b/pstoraster/imainarg.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* argv/argc interface to imainarg.c */
+
+#ifndef imainarg_INCLUDED
+#  define imainarg_INCLUDED
+
+/* Define an opaque type for an interpreter instance.  See imain.h. */
+#ifndef gs_main_instance_DEFINED
+#  define gs_main_instance_DEFINED
+typedef struct gs_main_instance_s gs_main_instance;
+
+#endif
+
+/*
+ * As a shortcut for very high-level clients, we define a single call
+ * that does the equivalent of command line invocation, passing argc
+ * and argv.  This call includes calling init0 through init2.
+ * argv should really be const char *[], but ANSI C requires writable
+ * strings (which, however, it forbids the callee to modify!).
+ */
+int gs_main_init_with_args(P3(gs_main_instance * minst, int argc,
+			      char *argv[]));
+
+/*
+ * Run the 'start' procedure (after processing the command line).
+ * Note that this procedure exits rather than returning.
+ */
+void gs_main_run_start(P1(gs_main_instance * minst));
+
+#endif /* imainarg_INCLUDED */
diff --git a/pstoraster/imemory.h b/pstoraster/imemory.h
new file mode 100644
index 000000000..40e7b69c9
--- /dev/null
+++ b/pstoraster/imemory.h
@@ -0,0 +1,99 @@
+/* Copyright (C) 1993, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Ghostscript memory allocator extensions for interpreter level */
+
+#ifndef imemory_INCLUDED
+#  define imemory_INCLUDED
+
+#include "ivmspace.h"
+
+/*
+ * The interpreter level of Ghostscript defines a "subclass" extension
+ * of the allocator interface in gsmemory.h, by adding the ability to
+ * allocate and free arrays of refs, and by adding the distinction
+ * between local, global, and system allocation.
+ */
+
+#include "gsalloc.h"
+
+#ifndef gs_ref_memory_DEFINED
+#  define gs_ref_memory_DEFINED
+typedef struct gs_ref_memory_s gs_ref_memory_t;
+#endif
+
+	/* Allocate a ref array. */
+
+int gs_alloc_ref_array(P5(gs_ref_memory_t * mem, ref * paref,
+			  uint attrs, uint num_refs, client_name_t cname));
+
+	/* Resize a ref array. */
+	/* Currently this is only implemented for shrinking, */
+	/* not growing. */
+
+int gs_resize_ref_array(P4(gs_ref_memory_t * mem, ref * paref,
+			   uint new_num_refs, client_name_t cname));
+
+	/* Free a ref array. */
+
+void gs_free_ref_array(P3(gs_ref_memory_t * mem, ref * paref,
+			  client_name_t cname));
+
+	/* Allocate a string ref. */
+
+int gs_alloc_string_ref(P5(gs_ref_memory_t * mem, ref * psref,
+			   uint attrs, uint nbytes, client_name_t cname));
+
+/* Register a ref root.  This just calls gs_register_root. */
+/* Note that ref roots are a little peculiar: they assume that */
+/* the ref * that they point to points to a *statically* allocated ref. */
+int gs_register_ref_root(P4(gs_memory_t *mem, gs_gc_root_t *root,
+			    void **pp, client_name_t cname));
+
+
+/*
+ * The interpreter allocator can allocate in either local or global VM,
+ * and can switch between the two dynamically.  In Level 1 configurations,
+ * global VM is the same as local; however, this is *not* currently true in
+ * a Level 2 system running in Level 1 mode.  In addition, there is a third
+ * VM space, system VM, that exists in both modes and is used for objects
+ * that must not be affected by even the outermost save/restore (stack
+ * segments and names).
+ */
+typedef struct gs_dual_memory_s gs_dual_memory_t;
+struct gs_dual_memory_s {
+    gs_ref_memory_t *current;	/* = ...global or ...local */
+    vm_spaces spaces;		/* system, global, local */
+    uint current_space;		/* = current->space */
+    /* Save/restore machinery */
+    int save_level;
+    /* Garbage collection hook */
+    int (*reclaim) (P2(gs_dual_memory_t *, int));
+    /* Masks for store checking, see isave.h. */
+    uint test_mask;
+    uint new_mask;
+};
+
+#endif /* imemory_INCLUDED */
diff --git a/pstoraster/iminst.h b/pstoraster/iminst.h
new file mode 100644
index 000000000..3b671f95c
--- /dev/null
+++ b/pstoraster/iminst.h
@@ -0,0 +1,92 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definition of interpreter instance */
+/* Requires stdio_.h, gsmemory.h, iref.h */
+
+#ifndef iminst_INCLUDED
+#  define iminst_INCLUDED
+
+#ifndef gs_main_instance_DEFINED
+#  define gs_main_instance_DEFINED
+typedef struct gs_main_instance_s gs_main_instance;
+
+#endif
+
+/*
+ * Define the structure of a search path.  Currently there is only one,
+ * but there might be more someday.
+ *
+ *      container - an array large enough to hold the specified maximum
+ * number of directories.  Both the array and all the strings in it are
+ * in the 'foreign' VM space.
+ *      list - the initial interval of container that defines the actual
+ * search list.
+ *      env - the contents of an environment variable, implicitly added
+ * at the end of the list; may be 0.
+ *      final - the final set of directories specified in the makefile;
+ * may be 0.
+ *      count - the number of elements in the list, excluding a possible
+ * initial '.', env, and final.
+ */
+typedef struct gs_file_path_s {
+    ref container;
+    ref list;
+    const char *env;
+    const char *final;
+    uint count;
+} gs_file_path;
+
+/*
+ * Here is where we actually define the structure of interpreter instances.
+ * Clients should not reference any of the members.
+ */
+struct gs_main_instance_s {
+    /* The following are set during initialization. */
+    FILE *fstdin;
+    FILE *fstdout;
+    FILE *fstderr;
+    gs_memory_t *heap;		/* (C) heap allocator */
+    uint memory_chunk_size;	/* 'wholesale' allocation unit */
+    ulong name_table_size;
+    uint run_buffer_size;
+    int init_done;		/* highest init done so far */
+    int user_errors;		/* define what to do with errors */
+    bool search_here_first;	/* if true, make '.' first lib dir */
+    bool run_start;		/* if true, run 'start' after */
+    /* processing command line */
+    gs_file_path lib_path;	/* library search list (GS_LIB) */
+    long base_time[2];		/* starting usertime */
+};
+
+/*
+ * Note that any file that uses the following definition of default values
+ * must include gconfig.h, because of SEARCH_HERE_FIRST.
+ */
+#define gs_main_instance_default_init_values\
+ 0, 0, 0, 0, 20000, 0, 0, -1, 0, SEARCH_HERE_FIRST, 1
+extern const gs_main_instance gs_main_instance_init_values;
+
+#endif /* iminst_INCLUDED */
diff --git a/pstoraster/iname.c b/pstoraster/iname.c
new file mode 100644
index 000000000..118ff15f2
--- /dev/null
+++ b/pstoraster/iname.c
@@ -0,0 +1,637 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Name lookup for Ghostscript interpreter */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "gsstruct.h"
+#include "gxobj.h"		/* for o_set_unmarked */
+#include "errors.h"
+#include "inamedef.h"
+#include "imemory.h"		/* for isave.h */
+#include "isave.h"
+#include "store.h"
+
+/* Public values */
+const uint name_max_string = max_name_string;
+
+/* In the code below, we use the hashing method described in */
+/* "Fast Hashing of Variable-Length Text Strings" by Peter K. Pearson, */
+/* pp. 677-680, CACM 33(6), June 1990. */
+
+/* Define a pseudo-random permutation of the integers 0..255. */
+/* Pearson's article claims this permutation gave good results. */
+private const byte hash_permutation[256] =
+{
+    1, 87, 49, 12, 176, 178, 102, 166, 121, 193, 6, 84, 249, 230, 44, 163,
+    14, 197, 213, 181, 161, 85, 218, 80, 64, 239, 24, 226, 236, 142, 38, 200,
+    110, 177, 104, 103, 141, 253, 255, 50, 77, 101, 81, 18, 45, 96, 31, 222,
+    25, 107, 190, 70, 86, 237, 240, 34, 72, 242, 20, 214, 244, 227, 149, 235,
+    97, 234, 57, 22, 60, 250, 82, 175, 208, 5, 127, 199, 111, 62, 135, 248,
+  174, 169, 211, 58, 66, 154, 106, 195, 245, 171, 17, 187, 182, 179, 0, 243,
+ 132, 56, 148, 75, 128, 133, 158, 100, 130, 126, 91, 13, 153, 246, 216, 219,
+    119, 68, 223, 78, 83, 88, 201, 99, 122, 11, 92, 32, 136, 114, 52, 10,
+    138, 30, 48, 183, 156, 35, 61, 26, 143, 74, 251, 94, 129, 162, 63, 152,
+    170, 7, 115, 167, 241, 206, 3, 150, 55, 59, 151, 220, 90, 53, 23, 131,
+    125, 173, 15, 238, 79, 95, 89, 16, 105, 137, 225, 224, 217, 160, 37, 123,
+    118, 73, 2, 157, 46, 116, 9, 145, 134, 228, 207, 212, 202, 215, 69, 229,
+    27, 188, 67, 124, 168, 252, 42, 4, 29, 108, 21, 247, 19, 205, 39, 203,
+ 233, 40, 186, 147, 198, 192, 155, 33, 164, 191, 98, 204, 165, 180, 117, 76,
+    140, 36, 210, 172, 41, 54, 159, 8, 185, 232, 113, 196, 231, 47, 146, 120,
+    51, 65, 28, 144, 254, 221, 93, 189, 194, 139, 112, 43, 71, 109, 184, 209
+};
+
+/*
+ * Definitions and structure for the name table.
+ * Entry 0 is left unused.
+ * The entry with count = 1 is the entry for the 0-length name.
+ * The next nt_1char_size entries (in count order) are 1-character names.
+ */
+#define nt_1char_size 128
+#define nt_1char_first 2
+private const byte nt_1char_names[128] =
+{
+#define q8(n) n,n+1,n+2,n+3,n+4,n+5,n+6,n+7
+#define q32(n) q8(n),q8(n+8),q8(n+16),q8(n+24)
+    q32(0), q32(32), q32(64), q32(96)
+#undef q8
+};
+
+/* Structure descriptors */
+gs_private_st_composite(st_name_sub_table, name_sub_table, "name_sub_table",
+			name_sub_enum_ptrs, name_sub_reloc_ptrs);
+gs_private_st_composite(st_name_table, name_table, "name_table",
+			name_table_enum_ptrs, name_table_reloc_ptrs);
+
+/* Forward references */
+private int name_alloc_sub(P1(name_table *));
+private void name_scan_sub(P3(name_table *, uint, bool));
+
+/* Debugging printout */
+#ifdef DEBUG
+private void
+name_print(const char *msg, name * pname, uint nidx, const int *pflag)
+{
+    const byte *ptr = pname->string_bytes;
+
+    dlprintf1("[n]%s", msg);
+    if (pflag)
+	dprintf1("(%d)", *pflag);
+    dprintf2(" (0x%lx#%u)", (ulong) pname, nidx);
+    debug_print_string(ptr, pname->string_size);
+    dprintf2("(0x%lx,%u)\n", (ulong) ptr, pname->string_size);
+}
+#  define if_debug_name(msg, pname, nidx, pflag)\
+     if ( gs_debug_c('n') ) name_print(msg, pname, nidx, pflag)
+#else
+#  define if_debug_name(msg, pname, nidx, pflag) DO_NOTHING
+#endif
+
+/* Initialize a name table */
+name_table *
+names_init(ulong count, gs_memory_t * mem)
+{
+    register int i;
+    name_table *nt;
+
+    if (count == 0)
+	count = max_name_count + 1L;
+    else if (count - 1 > max_name_count)
+	return 0;
+    nt =
+	gs_alloc_struct(mem, name_table, &st_name_table, "name_init(nt)");
+    memset(nt, 0, sizeof(name_table));
+    nt->max_sub_count =
+	((count - 1) | nt_sub_index_mask) >> nt_log2_sub_size;
+    nt->memory = mem;
+    /* Initialize the one-character names. */
+    /* Start by creating the necessary sub-tables. */
+    for (i = 0; i < nt_1char_first + nt_1char_size; i += nt_sub_size)
+	name_alloc_sub(nt);
+    for (i = -1; i < nt_1char_size; i++) {
+	uint ncnt = nt_1char_first + i;
+	uint nidx = name_count_to_index(ncnt);
+	register name *pname = names_index_ptr_inline(nt, nidx);
+
+	if (i < 0)
+	    pname->string_bytes = nt_1char_names,
+		pname->string_size = 0;
+	else
+	    pname->string_bytes = nt_1char_names + i,
+		pname->string_size = 1;
+	pname->foreign_string = 1;
+	pname->mark = 1;
+	pname->pvalue = pv_no_defn;
+    }
+    /* Reconstruct the free list. */
+    nt->free = 0;
+    names_trace_finish(nt, NULL);
+    return nt;
+}
+
+/* Get the allocator for the name table. */
+gs_memory_t *
+names_memory(const name_table * nt)
+{
+    return nt->memory;
+}
+
+/* Look up or enter a name in the table. */
+/* Return 0 or an error code. */
+/* The return may overlap the characters of the string! */
+/* See iname.h for the meaning of enterflag. */
+int
+names_ref(name_table * nt, const byte * ptr, uint size, ref * pref, int enterflag)
+{
+    register name *pname;
+    uint nidx;
+    uint *phash;
+
+    /* Compute a hash for the string. */
+    {
+	uint hash;
+	const byte *p = ptr;
+	uint n = size;
+
+	/* Make a special check for 1-character names. */
+	switch (size) {
+	    case 0:
+		nidx = name_count_to_index(1);
+		pname = names_index_ptr_inline(nt, nidx);
+		goto mkn;
+	    case 1:
+		if (*p < nt_1char_size) {
+		    hash = *p + nt_1char_first;
+		    nidx = name_count_to_index(hash);
+		    pname = names_index_ptr_inline(nt, nidx);
+		    goto mkn;
+		}
+		/* falls through */
+	    default:
+		hash = hash_permutation[*p++];
+		while (--n > 0)
+		    hash = (hash << 8) |
+			hash_permutation[(byte) hash ^ *p++];
+	}
+	phash = nt->hash + (hash & (nt_hash_size - 1));
+    }
+
+    for (nidx = *phash; nidx != 0;
+	 nidx = name_next_index(nidx, pname)
+	) {
+	pname = names_index_ptr_inline(nt, nidx);
+	if (pname->string_size == size &&
+	    !memcmp_inline(ptr, pname->string_bytes, size)
+	    )
+	    goto mkn;
+    }
+    /* Name was not in the table.  Make a new entry. */
+    if (enterflag < 0)
+	return_error(e_undefined);
+    if (size > max_name_string)
+	return_error(e_limitcheck);
+    nidx = nt->free;
+    if (nidx == 0) {
+	int code = name_alloc_sub(nt);
+
+	if (code < 0)
+	    return code;
+	nidx = nt->free;
+    }
+    pname = name_index_ptr_inline(nt, nidx);
+    if (enterflag == 1) {
+	byte *cptr = (byte *) gs_alloc_string(nt->memory, size,
+					      "names_ref(string)");
+
+	if (cptr == 0)
+	    return_error(e_VMerror);
+	memcpy(cptr, ptr, size);
+	pname->string_bytes = cptr;
+	pname->foreign_string = 0;
+    } else {
+	pname->string_bytes = ptr;
+	pname->foreign_string = (enterflag == 0 ? 1 : 0);
+    }
+    pname->string_size = size;
+    pname->pvalue = pv_no_defn;
+    nt->free = name_next_index(nidx, pname);
+    set_name_next_index(nidx, pname, *phash);
+    *phash = nidx;
+    if_debug_name("new name", pname, nidx, &enterflag);
+  mkn:make_name(pref, nidx, pname);
+    return 0;
+}
+
+/* Get the string for a name. */
+void
+names_string_ref(const name_table * nt, const ref * pnref /* t_name */ ,
+		 ref * psref /* result, t_string */ )
+{
+    name *pname = pnref->value.pname;
+
+    make_const_string(psref,
+		      (pname->foreign_string ? avm_foreign :
+		       imemory_space((gs_ref_memory_t *) nt->memory))
+		      | a_readonly,
+		      pname->string_size,
+		      (const byte *)pname->string_bytes);
+}
+
+/* Convert a t_string object to a name. */
+/* Copy the executable attribute. */
+int
+names_from_string(name_table * nt, const ref * psref, ref * pnref)
+{
+    int exec = r_has_attr(psref, a_executable);
+    int code = names_ref(nt, psref->value.bytes, r_size(psref), pnref, 1);
+
+    if (code < 0)
+	return code;
+    if (exec)
+	r_set_attrs(pnref, a_executable);
+    return code;
+}
+
+/* Enter a (permanently allocated) C string as a name. */
+int
+names_enter_string(name_table * nt, const char *str, ref * pref)
+{
+    return names_ref(nt, (const byte *)str, strlen(str), pref, 0);
+}
+
+/* Invalidate the value cache for a name. */
+void
+names_invalidate_value_cache(name_table * nt, const ref * pnref)
+{
+    pnref->value.pname->pvalue = pv_other;
+}
+
+/* Convert between names and indices. */
+#undef names_index
+name_index_t
+names_index(const name_table * nt, const ref * pnref)
+{
+    return names_index_inline(nt, pnref);
+}
+void
+names_index_ref(const name_table * nt, name_index_t index, ref * pnref)
+{
+    names_index_ref_inline(nt, index, pnref);
+}
+name *
+names_index_ptr(const name_table * nt, name_index_t index)
+{
+    return names_index_ptr_inline(nt, index);
+}
+
+/* Get the index of the next valid name. */
+/* The argument is 0 or a valid index. */
+/* Return 0 if there are no more. */
+name_index_t
+names_next_valid_index(name_table * nt, name_index_t nidx)
+{
+    name_sub_table *sub = nt->sub_tables[nidx >> nt_log2_sub_size];
+    name *pname;
+
+    do {
+	++nidx;
+	if ((nidx & nt_sub_index_mask) == 0)
+	    for (;; nidx += nt_sub_size) {
+		if ((nidx >> nt_log2_sub_size) >= nt->sub_count)
+		    return 0;
+		sub = nt->sub_tables[nidx >> nt_log2_sub_size];
+		if (sub != 0)
+		    break;
+	    }
+	pname = &sub->names[nidx & nt_sub_index_mask];
+    }
+    while (pname->string_bytes == 0);
+    return nidx;
+}
+
+/* ------ Garbage collection ------ */
+
+/* Unmark all names, except for 1-character permanent names, */
+/* before a garbage collection. */
+void
+names_unmark_all(name_table * nt)
+{
+    uint si;
+    name_sub_table *sub;
+
+    for (si = 0; si < nt->sub_count; ++si)
+	if ((sub = nt->sub_tables[si]) != 0) {
+	    uint i;
+
+	    for (i = 0; i < nt_sub_size; ++i)
+		sub->names[i].mark = 0;
+	} {
+	uint ncnt;
+
+	for (ncnt = 1; ncnt <= nt_1char_size; ++ncnt)
+	    names_index_ptr(nt, name_count_to_index(ncnt))->mark = 1;
+	}
+}
+
+/* Mark a name.  Return true if new mark.  We export this so we can mark */
+/* character names in the character cache. */
+bool
+names_mark_index(name_table * nt, name_index_t nidx)
+{
+    name *pname = names_index_ptr(nt, nidx);
+
+    if (pname->mark)
+	return false;
+    pname->mark = 1;
+    return true;
+}
+
+/* Get the object (sub-table) containing a name. */
+/* The garbage collector needs this so it can relocate pointers to names. */
+void /*obj_header_t */ *
+names_ref_sub_table(name_table * nt, const ref * pnref)
+{				/* When this procedure is called, the pointers from the name table */
+    /* to the sub-tables may or may not have been relocated already, */
+    /* so we can't use them.  Instead, we have to work backwards from */
+    /* the name pointer itself. */
+    return pnref->value.pname - (names_index_inline(nt, pnref) & nt_sub_index_mask);
+}
+void /*obj_header_t */ *
+names_index_ptr_sub_table(name_table * nt, name_index_t index, name * pname)
+{
+    return pname - (index & nt_sub_index_mask);
+}
+
+/*
+ * Clean up the name table after the trace/mark phase of a garbage
+ * collection, by removing names that aren't marked.  gcst == NULL indicates
+ * we're doing this for initialization or restore rather than for a GC.
+ */
+void
+names_trace_finish(name_table * nt, gc_state_t * gcst)
+{
+    uint *phash = &nt->hash[0];
+    uint i;
+
+    for (i = 0; i < nt_hash_size; phash++, i++) {
+	name_index_t prev = 0;
+	name *pnprev;
+	name_index_t nidx = *phash;
+
+	while (nidx != 0) {
+	    name *pname = names_index_ptr_inline(nt, nidx);
+	    name_index_t next = name_next_index(nidx, pname);
+
+	    if (pname->mark) {
+		prev = nidx;
+		pnprev = pname;
+	    } else {
+		if_debug_name("GC remove name", pname, nidx,
+			      NULL);
+		/* Zero out the string data for the GC. */
+		pname->string_bytes = 0;
+		pname->string_size = 0;
+		if (prev == 0)
+		    *phash = next;
+		else
+		    set_name_next_index(prev, pnprev, next);
+	    }
+	    nidx = next;
+	}
+    }
+    /* Reconstruct the free list. */
+    nt->free = 0;
+    for (i = nt->sub_count; i--;) {
+	name_sub_table *sub = nt->sub_tables[i];
+
+	if (sub != 0) {
+	    name_scan_sub(nt, i, true);
+	    if (nt->sub_tables[i] == 0 && gcst != 0) {	/* Mark the just-freed sub-table as unmarked. */
+		o_set_unmarked((obj_header_t *) sub - 1);
+	    }
+	}
+	if (i == 0)
+	    break;
+    }
+    nt->sub_next = 0;
+}
+
+/* ------ Save/restore ------ */
+
+/* Clean up the name table before a restore. */
+/* Currently, this is never called, because the name table is allocated */
+/* in system VM.  However, for a Level 1 system, we might choose to */
+/* allocate the name table in global VM; in this case, this routine */
+/* would be called before doing the global part of a top-level restore. */
+/* Currently we don't make any attempt to optimize this. */
+void
+names_restore(name_table * nt, alloc_save_t * save)
+{				/* We simply mark all names older than the save, */
+    /* and let names_trace_finish sort everything out. */
+    uint si;
+
+    for (si = 0; si < nt->sub_count; ++si)
+	if (nt->sub_tables[si] != 0) {
+	    uint i;
+
+	    for (i = 0; i < nt_sub_size; ++i) {
+		name *pname =
+		names_index_ptr_inline(nt, (si << nt_log2_sub_size) + i);
+
+		if (pname->string_bytes == 0)
+		    pname->mark = 0;
+		else if (pname->foreign_string)
+		    pname->mark = 1;
+		else
+		    pname->mark =
+			!alloc_is_since_save(pname->string_bytes, save);
+	    }
+	}
+    names_trace_finish(nt, NULL);
+}
+
+/* ------ Internal procedures ------ */
+
+/* Allocate the next sub-table. */
+private int
+name_alloc_sub(name_table * nt)
+{
+    uint sub_index = nt->sub_next;
+    name_sub_table *sub;
+
+    for (;; ++sub_index) {
+	if (sub_index > nt->max_sub_count)
+	    return_error(e_limitcheck);
+	if (nt->sub_tables[sub_index] == 0)
+	    break;
+    }
+    nt->sub_next = sub_index + 1;
+    if (nt->sub_next > nt->sub_count)
+	nt->sub_count = nt->sub_next;
+    sub = gs_alloc_struct(nt->memory, name_sub_table, &st_name_sub_table,
+			  "name_alloc_sub");
+    if (sub == 0)
+	return_error(e_VMerror);
+    memset(sub, 0, sizeof(name_sub_table));
+    /* The following code is only used if EXTEND_NAMES is non-zero. */
+#if name_extension_bits > 0
+    if (sub_index >= 0x10000L >> nt_log2_sub_size) {
+	/* Fill in my_extension in all the newly created names. */
+	uint extn = sub_index >> (16 - nt_log2_sub_size);
+	int i;
+
+	for (i = 0; i < nt_sub_size; ++i)
+	    set_name_extension(&sub->names[i], extn);
+    }
+#endif
+    nt->sub_tables[sub_index] = sub;
+    /* Add the newly allocated entries to the free list. */
+    /* Note that the free list will only be properly sorted if */
+    /* it was empty initially. */
+    name_scan_sub(nt, sub_index, false);
+#ifdef DEBUG
+    if (gs_debug_c('n')) {	/* Print the lengths of the hash chains. */
+	int i0;
+
+	for (i0 = 0; i0 < nt_hash_size; i0 += 16) {
+	    int i;
+
+	    dlprintf1("[n]chain %d:", i0);
+	    for (i = i0; i < i0 + 16; i++) {
+		int n = 0;
+		uint nidx;
+
+		for (nidx = nt->hash[i]; nidx != 0;
+		nidx = name_next_index(nidx, name_index_ptr_inline(nt, nidx))
+		    )
+		    n++;
+		dprintf1(" %d", n);
+	    }
+	    dputc('\n');
+	}
+    }
+#endif
+    return 0;
+}
+
+/* Scan a sub-table and add unmarked entries to the free list. */
+/* We add the entries in decreasing count order, so the free list */
+/* will stay sorted.  If all entries are unmarked and free_empty is true, */
+/* free the sub-table. */
+private void
+name_scan_sub(name_table * nt, uint sub_index, bool free_empty)
+{
+    name_sub_table *sub = nt->sub_tables[sub_index];
+    uint free = nt->free;
+    uint nbase = sub_index << nt_log2_sub_size;
+    uint ncnt = nbase + (nt_sub_size - 1);
+    bool keep = !free_empty;
+
+    if (sub == 0)
+	return;
+    if (nbase == 0)
+	nbase = 1, keep = true;	/* don't free name 0 */
+    for (;; --ncnt) {
+	uint nidx = name_count_to_index(ncnt);
+	name *pname = &sub->names[nidx & nt_sub_index_mask];
+
+	if (pname->mark)
+	    keep = true;
+	else {
+	    set_name_next_index(nidx, pname, free);
+	    free = nidx;
+	}
+	if (ncnt == nbase)
+	    break;
+    }
+    if (keep)
+	nt->free = free;
+    else {			/* No marked entries, free the sub-table. */
+	gs_free_object(nt->memory, sub, "name_scan_sub");
+	nt->sub_tables[sub_index] = 0;
+	if (sub_index == nt->sub_count - 1) {
+	    /* Back up over a final run of deleted sub-tables. */
+	    do {
+		--sub_index;
+	    } while (nt->sub_tables[sub_index] == 0);
+	    nt->sub_count = sub_index + 1;
+	    if (nt->sub_next > sub_index)
+		nt->sub_next = sub_index;
+	} else if (nt->sub_next == sub_index)
+	    nt->sub_next--;
+    }
+}
+
+/* Garbage collector enumeration and relocation procedures. */
+#define ntptr ((name_table *)vptr)
+private 
+ENUM_PTRS_BEGIN_PROC(name_table_enum_ptrs)
+{
+    if (index >= ntptr->sub_count)
+	return 0;
+    ENUM_RETURN(ntptr->sub_tables[index]);
+}
+ENUM_PTRS_END_PROC
+private RELOC_PTRS_BEGIN(name_table_reloc_ptrs)
+{
+    name_sub_table **sub = ntptr->sub_tables;
+    uint sub_count = ntptr->sub_count;
+    uint i;
+
+    /* Now we can relocate the sub-table pointers. */
+    for (i = 0; i < sub_count; i++, sub++)
+	RELOC_VAR(*sub);
+    /*
+     * We also need to relocate the cached value pointers.
+     * We don't do this here, but in a separate scan over the
+     * permanent dictionaries, at the very end of garbage collection.
+     */
+}
+RELOC_PTRS_END
+#undef ntptr
+
+private ENUM_PTRS_BEGIN_PROC(name_sub_enum_ptrs)
+{
+    return 0;
+}
+ENUM_PTRS_END_PROC
+private RELOC_PTRS_BEGIN(name_sub_reloc_ptrs)
+{
+    name *pname = ((name_sub_table *) vptr)->names;
+    uint i;
+
+    for (i = 0; i < nt_sub_size; ++pname, ++i) {
+	if (pname->string_bytes != 0 && !pname->foreign_string) {
+	    gs_const_string nstr;
+
+	    nstr.data = pname->string_bytes;
+	    nstr.size = pname->string_size;
+	    RELOC_CONST_STRING_VAR(nstr);
+	    pname->string_bytes = nstr.data;
+	}
+    }
+}
+RELOC_PTRS_END
diff --git a/pstoraster/iname.h b/pstoraster/iname.h
new file mode 100644
index 000000000..134221646
--- /dev/null
+++ b/pstoraster/iname.h
@@ -0,0 +1,105 @@
+/* Copyright (C) 1989, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter's name table interface */
+
+#ifndef iname_INCLUDED
+#  define iname_INCLUDED
+
+#include "inames.h"
+
+/*
+ * This file defines those parts of the name table API that refer to the
+ * interpreter's distinguished instance.  Procedures in this file begin
+ * with name_.
+ */
+
+/* ---------------- Procedural interface ---------------- */
+
+/* Define the interpreter's name table. */
+extern name_table *the_gs_name_table;
+
+/* Backward compatibility */
+#define the_name_table() ((const name_table *)the_gs_name_table)
+
+/* Get the allocator for the name table. */
+#define name_memory()\
+  names_memory(the_gs_name_table)
+
+/*
+ * Look up and/or enter a name in the name table.
+ * See inames.h for the values of enterflag, and the possible return values.
+ */
+#define name_ref(ptr, size, pnref, enterflag)\
+  names_ref(the_gs_name_table, ptr, size, pnref, enterflag)
+#define name_string_ref(pnref, psref)\
+  names_string_ref(the_gs_name_table, pnref, psref)
+/*
+ * name_enter_string calls name_ref with a (permanent) C string.
+ */
+#define name_enter_string(str, pnref)\
+  names_enter_string(the_gs_name_table,str, pnref)
+/*
+ * name_from_string essentially implements cvn.
+ * It always enters the name, and copies the executable attribute.
+ */
+#define name_from_string(psref, pnref)\
+  names_from_string(the_gs_name_table, psref, pnref)
+
+/* Compare two names for equality. */
+#define name_eq(pnref1, pnref2)\
+  names_eq(pnref1, pnref2)
+
+/* Invalidate the value cache for a name. */
+#define name_invalidate_value_cache(pnref)\
+  names_invalidate_value_cache(the_gs_name_table, pnref)
+
+/* Convert between names and indices. */
+#define name_index(pnref)		/* ref => index */\
+  names_index(the_gs_name_table, pnref)
+#define name_index_ptr(nidx)		/* index => name */\
+  names_index_ptr(the_gs_name_table, nidx)
+#define name_index_ref(nidx, pnref)	/* index => ref */\
+  names_index_ref(the_gs_name_table, nidx, pnref)
+
+/* Get the index of the next valid name. */
+/* The argument is 0 or a valid index. */
+/* Return 0 if there are no more. */
+#define name_next_valid_index(nidx)\
+  names_next_valid_index(the_gs_name_table, nidx)
+
+/* Mark a name for the garbage collector. */
+/* Return true if this is a new mark. */
+#define name_mark_index(nidx)\
+  names_mark_index(the_gs_name_table, nidx)
+
+/* Get the object (sub-table) containing a name. */
+/* The garbage collector needs this so it can relocate pointers to names. */
+#define name_ref_sub_table(pnref)\
+  names_ref_sub_table(the_gs_name_table, pnref)
+#define name_index_ptr_sub_table(nidx, pnref)\
+  names_index_ptr_sub_table(the_gs_name_table, nidx, pnref)
+
+#endif /* iname_INCLUDED */
diff --git a/pstoraster/inamedef.h b/pstoraster/inamedef.h
new file mode 100644
index 000000000..4feb52279
--- /dev/null
+++ b/pstoraster/inamedef.h
@@ -0,0 +1,230 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Name table definition */
+
+#ifndef inamedef_INCLUDED
+#  define inamedef_INCLUDED
+
+#include "inames.h"
+#include "gconfigv.h"		/* defines EXTEND_NAMES */
+#include "gsstruct.h"		/* for gc_state_t */
+
+/*
+ * The name table machinery has two slightly different configurations:
+ * a faster one that limits the total number of names to 64K and allows
+ * names up to 16K in size, and a slightly slower one that limits
+ * the total to 4M and restricts names to 256 characters.
+ */
+#if arch_sizeof_int < 4
+#  undef EXTEND_NAMES		/* no extended names if ints are short */
+#endif
+#ifndef EXTEND_NAMES		/* # of bits beyond 16 */
+#  define EXTEND_NAMES 0
+#endif
+#define max_name_extension_bits 6
+#if EXTEND_NAMES > max_name_extension_bits
+#  undef EXTEND_NAMES
+#  define EXTEND_NAMES max_name_extension_bits
+#endif
+/*       
+ * We capture the small algorithmic differences between these two
+ * configurations entirely in this header file;
+ * the implementation doesn't need any conditionals on EXTEND_NAMES.
+ */
+#define max_name_index (uint)((0x10000 << EXTEND_NAMES) - 1)
+/* As explained below, we distinguish name indices from name counts. */
+#define max_name_count max_name_index
+
+/* ---------------- Structure definitions ---------------- */
+
+/*
+ * Define the structure of a name.  The next_index "pointer" is used for
+ * the chained hash table in the name_table, and also for the list of
+ * free names.  The pvalue member implements an important optimization
+ * to avoid lookup for operator and other global names.
+ */
+struct name_s {
+    ushort next_index;		/* (low bits of) next name in chain or 0 */
+    unsigned foreign_string:1;	/* string is allocated statically */
+    unsigned mark:1;		/* GC mark bit */
+#if EXTEND_NAMES
+#  define name_extension_bits 6
+    unsigned my_extension:name_extension_bits;	/* high-order bits */
+#  define set_name_extension(pname, xbits) ((pname)->my_extension = xbits)
+#else
+#  define name_extension_bits 0
+#  define set_name_extension(name, xbits) DO_NOTHING
+#endif
+    /* of index for this name */
+#define name_string_size_bits (14 - name_extension_bits)
+#define max_name_string ((1 << name_string_size_bits) - 1)
+    unsigned string_size:name_string_size_bits;
+    const byte *string_bytes;
+/* pvalue specifies the definition status of the name: */
+/*      pvalue == pv_no_defn: no definitions */
+#define pv_no_defn ((ref *)0)
+/*      pvalue == pv_other: other status */
+#define pv_other ((ref *)1)
+/*      pvalue != pv_no_defn, pvalue != pv_other: pvalue is valid */
+#define pv_valid(pvalue) ((unsigned long)(pvalue) > 1)
+    ref *pvalue;		/* if only defined in systemdict */
+    /* or userdict, this points to */
+    /* the value */
+};
+
+					/*typedef struct name_s name; *//* in iref.h */
+
+/*
+ * Define the structure of a name table.  Normally we would make this
+ * an opaque type, but we want to be able to in-line some of the
+ * access procedures.
+ *
+ * The name table is a two-level indexed table, consisting of
+ * sub-tables of size nt_sub_size each.
+ *
+ * First we define the name sub-table structure.
+ */
+#define nt_log2_sub_size (7 + (EXTEND_NAMES / 2))
+# define nt_sub_size (1 << nt_log2_sub_size)
+# define nt_sub_index_mask (nt_sub_size - 1)
+typedef struct name_sub_table_s {
+    name names[nt_sub_size];	/* must be first */
+#if EXTEND_NAMES
+    byte next_index_extension[nt_sub_size];	/* high-order bits */
+    /* of next_index */
+#  define name_next_index(nidx, pname)\
+     (	(((name_sub_table *)((pname) - ((nidx) & nt_sub_index_mask)))->\
+	  next_index_extension[(nidx) & nt_sub_index_mask] << 16) +\
+	((pname)->next_index)\
+     )
+#  define set_name_next_index(nidx, pname, next)\
+     ( ((name_sub_table *)((pname) - ((nidx) & nt_sub_index_mask)))->\
+	  next_index_extension[(nidx) & nt_sub_index_mask] =\
+	 (byte)((next) >> 16),\
+       (pname)->next_index = (ushort)(next)\
+     )
+#else				/* !EXTEND_NAMES */
+#  define name_next_index(nidx, pname)\
+     ((pname)->next_index)
+#  define set_name_next_index(nidx, pname, next)\
+     ((pname)->next_index = (next))
+#endif				/* (!)EXTEND_NAMES */
+} name_sub_table;
+
+/*
+ * Now define the name table itself.
+ * This must be made visible so that the interpreter can use the
+ * inline macros defined below.
+ */
+#define nt_hash_size (1024 << (EXTEND_NAMES / 2))	/* must be a power of 2 */
+struct name_table_s {
+    uint free;			/* head of free list, which is sorted in */
+    /* increasing count (not index) order */
+    uint sub_next;		/* index of next sub-table to allocate */
+    /* if not already allocated */
+    uint sub_count;		/* index of highest allocated sub-table +1 */
+    uint max_sub_count;		/* max allowable value of sub_count */
+    gs_memory_t *memory;
+    uint hash[nt_hash_size];
+    name_sub_table *sub_tables[max_name_index / nt_sub_size + 1];
+};
+
+						/*typedef struct name_table_s name_table; *//* in inames.h */
+
+/* ---------------- Procedural interface ---------------- */
+
+/* Convert between names and indices.  Note that the inline versions, */
+/* but not the procedure versions, take a name_table argument. */
+		/* ref => index */
+#if EXTEND_NAMES
+#  define names_index_inline(nt_ignored, pnref)\
+     ( ((uint)((pnref)->value.pname->my_extension) << 16) + r_size(pnref) )
+#else
+#  define names_index_inline(nt_ignored, pnref) r_size(pnref)
+#endif
+#define names_index(nt_ignored, pnref) names_index_inline(nt_ignored, pnref)
+		/* index => name */
+#define names_index_ptr_inline(nt, nidx)\
+  ((nt)->sub_tables[(nidx) >> nt_log2_sub_size]->names + ((nidx) & nt_sub_index_mask))
+		/* index => ref */
+#define names_index_ref_inline(nt, nidx, pnref)\
+  make_name(pnref, nidx, names_index_ptr_inline(nt, nidx));
+/* Backward compatibility */
+#define name_index_inline(pnref) names_index_inline(ignored, pnref)
+#define name_index_ptr_inline(nt, pnref) names_index_ptr_inline(nt, pnref)
+#define name_index_ref_inline(nt, nidx, pnref)\
+  names_index_ref_inline(nt, nidx, pnref)
+
+		/* name => ref */
+/* We have to set the space to system so that the garbage collector */
+/* won't think names are foreign and therefore untraceable. */
+#define make_name(pnref, nidx, pnm)\
+  make_tasv(pnref, t_name, avm_system, (ushort)(nidx), pname, pnm)
+
+/* ------ Garbage collection ------ */
+
+/* Unmark all names, except for 1-character permanent names, */
+/* before a garbage collection. */
+void names_unmark_all(P1(name_table * nt));
+
+/* Finish tracing the name table by putting free names on the free list. */
+void names_trace_finish(P2(name_table * nt, gc_state_t * gcst));
+
+/* ------ Save/restore ------ */
+
+/* Clean up the name table before a restore, */
+/* by removing names whose count is less than old_count. */
+#ifndef alloc_save_t_DEFINED	/* also in isave.h */
+typedef struct alloc_save_s alloc_save_t;
+
+#  define alloc_save_t_DEFINED
+#endif
+void names_restore(P2(name_table * nt, alloc_save_t * save));
+
+/* ---------------- Name count/index maintenance ---------------- */
+
+/*
+ * We scramble the assignment order within a sub-table, so that
+ * dictionary lookup doesn't have to scramble the index.
+ * The scrambling algorithm must have three properties:
+ *      - It must map 0 to 0;
+ *      - It must only scramble the sub-table index;
+ *      - It must be a permutation on the sub-table index.
+ * Something very simple works just fine.
+ */
+#define name_count_to_index(cnt)\
+  (((cnt) & (-nt_sub_size)) +\
+   (((cnt) * 59) & nt_sub_index_mask))
+/*
+ * The reverse permutation requires finding a number R such that
+ * 59*R = 1 mod nt_sub_size.  For nt_sub_size any power of 2 up to 2048,
+ * R = 243 will work.  Currently, this is only needed for debugging printout.
+ */
+#define name_index_to_count(nidx)\
+  (((nidx) & (-nt_sub_size)) +\
+   (((nidx) * 243) & nt_sub_index_mask))
+
+#endif /* inamedef_INCLUDED */
diff --git a/pstoraster/inames.h b/pstoraster/inames.h
new file mode 100644
index 000000000..7eb6e4633
--- /dev/null
+++ b/pstoraster/inames.h
@@ -0,0 +1,114 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Name table interface */
+
+#ifndef inames_INCLUDED
+#  define inames_INCLUDED
+
+/*
+ * This file defines those parts of the name table API that depend neither
+ * on the implementation nor on the existence of a single distinguished
+ * instance.  Procedures in this file begin with names_.
+ */
+
+/* ---------------- Interface types ---------------- */
+
+#ifndef name_table_DEFINED
+#  define name_table_DEFINED
+typedef struct name_table_s name_table;
+
+#endif
+
+typedef uint name_index_t;
+
+/* ---------------- Constant values ---------------- */
+
+extern const uint name_max_string;
+
+/* ---------------- Procedural interface ---------------- */
+
+/* Allocate and initialize a name table. */
+name_table *names_init(P2(ulong size, gs_memory_t * mem));
+
+/* Get the allocator for a name table. */
+gs_memory_t *names_memory(P1(const name_table * nt));
+
+/*
+ * Look up and/or enter a name in the name table.
+ * The values of enterflag are:
+ *      -1 -- don't enter (return an error) if missing;
+ *       0 -- enter if missing, don't copy the string, which was allocated
+ *              statically;
+ *       1 -- enter if missing, copy the string;
+ *       2 -- enter if missing, don't copy the string, which was already
+ *              allocated dynamically (using the names_memory allocator).
+ * Possible errors: VMerror, limitcheck (if string is too long or if
+ * we have assigned all possible name indices).
+ */
+int names_ref(P5(name_table * nt, const byte * ptr, uint size, ref * pnref,
+		 int enterflag));
+void names_string_ref(P3(const name_table * nt, const ref * pnref, ref * psref));
+
+/*
+ * names_enter_string calls names_ref with a (permanent) C string.
+ */
+int names_enter_string(P3(name_table * nt, const char *str, ref * pnref));
+
+/*
+ * names_from_string essentially implements cvn.
+ * It always enters the name, and copies the executable attribute.
+ */
+int names_from_string(P3(name_table * nt, const ref * psref, ref * pnref));
+
+/* Compare two names for equality. */
+#define names_eq(pnref1, pnref2)\
+  ((pnref1)->value.pname == (pnref2)->value.pname)
+
+/* Invalidate the value cache for a name. */
+void names_invalidate_value_cache(P2(name_table * nt, const ref * pnref));
+
+/* Convert between names and indices. */
+name_index_t names_index(P2(const name_table * nt, const ref * pnref));		/* ref => index */
+name *names_index_ptr(P2(const name_table * nt, name_index_t nidx));	/* index => name */
+void names_index_ref(P3(const name_table * nt, name_index_t nidx, ref * pnref));	/* index => ref */
+
+/* Get the index of the next valid name. */
+/* The argument is 0 or a valid index. */
+/* Return 0 if there are no more. */
+name_index_t names_next_valid_index(P2(name_table * nt, name_index_t nidx));
+
+/* Mark a name for the garbage collector. */
+/* Return true if this is a new mark. */
+bool names_mark_index(P2(name_table * nt, name_index_t nidx));
+
+/* Get the object (sub-table) containing a name. */
+/* The garbage collector needs this so it can relocate pointers to names. */
+void /*obj_header_t */ *
+     names_ref_sub_table(P2(name_table * nt, const ref * pnref));
+void /*obj_header_t */ *
+     names_index_ptr_sub_table(P3(name_table * nt, name_index_t nidx, name * pname));
+
+#endif /* inames_INCLUDED */
diff --git a/pstoraster/interp.c b/pstoraster/interp.c
new file mode 100644
index 000000000..0cf33ba9a
--- /dev/null
+++ b/pstoraster/interp.c
@@ -0,0 +1,1554 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Ghostscript language interpreter */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "gsstruct.h"		/* for iastruct.h */
+#include "stream.h"
+#include "errors.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "iastruct.h"
+#include "icontext.h"
+#include "inamedef.h"
+#include "iname.h"		/* for the_name_table */
+#include "interp.h"
+#include "ipacked.h"
+#include "ostack.h"		/* must precede iscan.h */
+#include "strimpl.h"		/* for sfilter.h */
+#include "sfilter.h"		/* for iscan.h */
+#include "iscan.h"
+#include "idict.h"
+#include "isave.h"
+#include "istack.h"
+#include "iutil.h"		/* for array_get */
+#include "ivmspace.h"
+#include "dstack.h"
+#include "files.h"		/* for file_check_read */
+#include "oper.h"
+#include "store.h"
+
+/*
+ * We may or may not optimize the handling of the special fast operators
+ * in packed arrays.  If we do this, they run much faster when packed, but
+ * slightly slower when not packed.
+ */
+#define PACKED_SPECIAL_OPS 1
+
+/*
+ * Pseudo-operators (procedures of type t_oparray) record
+ * the operand and dictionary stack pointers, and restore them if an error
+ * occurs during the execution of the procedure and if the procedure hasn't
+ * (net) decreased the depth of the stack.  While this obviously doesn't
+ * do all the work of restoring the state if a pseudo-operator gets an
+ * error, it's a big help.  The only downside is that pseudo-operators run
+ * a little slower.
+ */
+
+/* Imported operator procedures */
+extern int zop_add(P1(os_ptr));
+extern int zop_def(P1(os_ptr));
+extern int zop_sub(P1(os_ptr));
+
+/* Other imported procedures */
+extern int ztokenexec_continue(P1(os_ptr));
+
+/* 
+ * The procedure to call if an operator requests rescheduling.
+ * This causes an error unless the context machinery has been installed.
+ */
+private int
+no_reschedule(void)
+{
+    return_error(e_invalidcontext);
+}
+int (*gs_interp_reschedule_proc) (P0()) = no_reschedule;
+
+/*
+ * The procedure to call for time-slicing.
+ * This is a no-op unless the context machinery has been installed.
+ */
+int
+no_time_slice_proc(void)
+{
+    return 0;
+}
+int (*gs_interp_time_slice_proc) (P0()) = no_time_slice_proc;
+
+/*
+ * The number of interpreter "ticks" between calls on the time_slice_proc.
+ * Currently, the clock ticks before each operator, and at each
+ * procedure return.
+ */
+int gs_interp_time_slice_ticks = 0x7fff;
+
+/*
+ * Apply an operator.  When debugging, we route all operator calls
+ * through a procedure.
+ */
+#ifdef DEBUG
+private int
+call_operator(int (*op_proc) (P1(os_ptr)), os_ptr op)
+{
+    int code = (*op_proc) (op);
+
+    return code;
+}
+#else
+#  define call_operator(proc, op) ((*(proc))(op))
+#endif
+
+/* Forward references */
+private int estack_underflow(P1(os_ptr));
+private int interp(P2(ref *, ref *));
+private int interp_exit(P1(os_ptr));
+private void set_gc_signal(P2(int *, int));
+private int copy_stack(P2(const ref_stack *, ref *));
+private int oparray_pop(P1(os_ptr));
+private int oparray_cleanup(P1(os_ptr));
+
+/* Stack sizes */
+
+/* The maximum stack sizes may all be set in the makefile. */
+
+/*
+ * Define the initial maximum size of the operand stack (MaxOpStack
+ * user parameter).
+ */
+#ifndef MAX_OSTACK
+#  define MAX_OSTACK 800
+#endif
+/*
+ * The minimum block size for extending the operand stack is the larger of:
+ *      - the maximum number of parameters to an operator
+ *      (currently setcolorscreen, with 12 parameters);
+ *      - the maximum number of values pushed by an operator
+ *      (currently setcolortransfer, which calls zcolor_remap_one 4 times
+ *      and therefore pushes 16 values).
+ */
+#define MIN_BLOCK_OSTACK 16
+const int gs_interp_max_op_num_args = MIN_BLOCK_OSTACK;		/* for iinit.c */
+
+/*
+ * Define the initial maximum size of the execution stack (MaxExecStack
+ * user parameter).
+ */
+#ifndef MAX_ESTACK
+#  define MAX_ESTACK 250
+#endif
+/*
+ * The minimum block size for extending the execution stack is the largest
+ * size of a contiguous block surrounding an e-stack mark, currently ???.
+ * At least, that's what the minimum value would be if we supported
+ * multi-block estacks, which we currently don't.
+ */
+#define MIN_BLOCK_ESTACK MAX_ESTACK
+
+/*
+ * Define the initial maximum size of the dictionary stack (MaxDictStack
+ * user parameter).  Again, this is also currently the block size for
+ * extending the d-stack.
+ */
+#ifndef MAX_DSTACK
+#  define MAX_DSTACK 20
+#endif
+/*
+ * The minimum block size for extending the dictionary stack is the number
+ * of permanent entries on the dictionary stack, currently 3.
+ */
+#define MIN_BLOCK_DSTACK 3
+
+/* Interpreter state variables */
+ref ref_language_level;		/* 1 or 2, set by iinit.c */
+
+/* See estack.h for a description of the execution stack. */
+
+/* The logic for managing icount and iref below assumes that */
+/* there are no control operators which pop and then push */
+/* information on the execution stack. */
+
+/* Stacks */
+extern_st(st_ref_stack);
+#define OS_GUARD_UNDER 10
+#define OS_GUARD_OVER 10
+#define OS_REFS_SIZE(body_size)\
+  (stack_block_refs + OS_GUARD_UNDER + (body_size) + OS_GUARD_OVER)
+op_stack_t iop_stack;
+
+#define ES_GUARD_UNDER 1
+#define ES_GUARD_OVER 10
+#define ES_REFS_SIZE(body_size)\
+  (stack_block_refs + ES_GUARD_UNDER + (body_size) + ES_GUARD_OVER)
+exec_stack_t iexec_stack;
+
+#define DS_REFS_SIZE(body_size)\
+  (stack_block_refs + (body_size))
+dict_stack_t idict_stack;
+
+					  /*#define d_stack (idict_stack.stack) *//* in dstack.h */
+
+/* Define a pointer to the current interpreter context state. */
+gs_context_state_t *gs_interp_context_state_current;
+
+/* Extended types.  The interpreter may replace the type of operators */
+/* in procedures with these, to speed up the interpretation loop. */
+/****** NOTE: If you add or change entries in this list, */
+/****** you must change the three dispatches in the interpreter loop. */
+/* The operator procedures are declared in opextern.h. */
+#define tx_op t_next_index
+private const op_proc_p special_ops[] =
+{
+    zadd, zdef, zdup, zexch, zif, zifelse, zindex, zpop, zroll, zsub
+};
+typedef enum {
+    tx_op_add = tx_op,
+    tx_op_def,
+    tx_op_dup,
+    tx_op_exch,
+    tx_op_if,
+    tx_op_ifelse,
+    tx_op_index,
+    tx_op_pop,
+    tx_op_roll,
+    tx_op_sub,
+    tx_next_op
+} special_op_types;
+
+#define num_special_ops ((int)tx_next_op - tx_op)
+const int gs_interp_num_special_ops = num_special_ops;	/* for iinit.c */
+const int tx_next_index = tx_next_op;
+
+#define make_null_proc(pref)\
+  make_empty_const_array(pref, a_executable + a_readonly)
+
+/* Initialize the interpreter. */
+void
+gs_interp_init(void)
+{				/* Create and initialize a ocntext state. */
+    gs_context_state_t *pcst = 0;
+    int code = context_state_alloc(&pcst, &gs_imemory);
+
+    if (code < 0 || (code = context_state_load(pcst)) < 0) {
+	lprintf1("Fatal error %d in gs_interp_init!", code);
+/****** ABORT ******/
+    }
+    gs_interp_context_state_current = pcst;
+    gs_register_struct_root(imemory_local, NULL,
+			    (void **)&gs_interp_context_state_current,
+			    "gs_interp_init(gs_icst_root)");
+}
+/*
+ * Create initial stacks for the interpreter.
+ * We export this for creating new contexts.
+ */
+int
+gs_interp_alloc_stacks(gs_ref_memory_t * smem, gs_context_state_t * pcst)
+{
+    ref stk;
+
+#define REFS_SIZE_OSTACK OS_REFS_SIZE(MAX_OSTACK)
+#define REFS_SIZE_ESTACK ES_REFS_SIZE(MAX_ESTACK)
+#define REFS_SIZE_DSTACK DS_REFS_SIZE(MAX_DSTACK)
+    gs_alloc_ref_array(smem, &stk, 0,
+		       REFS_SIZE_OSTACK + REFS_SIZE_ESTACK +
+		       REFS_SIZE_DSTACK, "gs_interp_alloc_stacks");
+
+    {
+	ref_stack *pos = pcst->ostack =
+	gs_alloc_struct((gs_memory_t *) smem, ref_stack, &st_ref_stack,
+			"gs_interp_alloc_stacks(ostack)");
+
+	r_set_size(&stk, REFS_SIZE_OSTACK);
+	ref_stack_init(pos, &stk, OS_GUARD_UNDER, OS_GUARD_OVER, NULL,
+		       smem);
+	pos->underflow_error = e_stackunderflow;
+	pos->overflow_error = e_stackoverflow;
+	ref_stack_set_max_count(pos, MAX_OSTACK);
+    }
+
+    {
+	ref_stack *pes = pcst->estack =
+	gs_alloc_struct((gs_memory_t *) smem, ref_stack, &st_ref_stack,
+			"gs_interp_alloc_stacks(estack)");
+	ref euop;
+
+	stk.value.refs += REFS_SIZE_OSTACK;
+	r_set_size(&stk, REFS_SIZE_ESTACK);
+	make_oper(&euop, 0, estack_underflow);
+	ref_stack_init(pes, &stk, ES_GUARD_UNDER, ES_GUARD_OVER, &euop,
+		       smem);
+	pes->underflow_error = e_ExecStackUnderflow;
+	pes->overflow_error = e_execstackoverflow;
+/**************** E-STACK EXPANSION IS NYI. ****************/
+	pes->allow_expansion = false;
+	ref_stack_set_max_count(pes, MAX_ESTACK);
+    }
+
+    {
+	ref_stack *pds = pcst->dstack =
+	gs_alloc_struct((gs_memory_t *) smem, ref_stack, &st_ref_stack,
+			"gs_interp_alloc_stacks(dstack)");
+
+	stk.value.refs += REFS_SIZE_ESTACK;
+	r_set_size(&stk, REFS_SIZE_DSTACK);
+	ref_stack_init(pds, &stk, 0, 0, NULL, smem);
+	pds->underflow_error = e_dictstackunderflow;
+	pds->overflow_error = e_dictstackoverflow;
+	ref_stack_set_max_count(pds, MAX_DSTACK);
+    }
+
+#undef REFS_SIZE_OSTACK
+#undef REFS_SIZE_ESTACK
+#undef REFS_SIZE_DSTACK
+    return 0;
+}
+/*
+ * Free the stacks when destroying a context.  This is the inverse of
+ * create_stacks.
+ */
+void
+gs_interp_free_stacks(gs_ref_memory_t * smem, gs_context_state_t * pcst)
+{				/* Free the stacks in inverse order of allocation. */
+    ref_stack_free(pcst->dstack, (gs_memory_t *) smem,
+		   "gs_interp_free_stacks(dstack)");
+    ref_stack_free(pcst->estack, (gs_memory_t *) smem,
+		   "gs_interp_free_stacks(estack)");
+    ref_stack_free(pcst->ostack, (gs_memory_t *) smem,
+		   "gs_interp_free_stacks(ostack)");
+}
+void
+gs_interp_reset(void)
+{				/* Reset the stacks. */
+    ref_stack_clear(&o_stack);
+    ref_stack_clear(&e_stack);
+    esp++;
+    make_oper(esp, 0, interp_exit);
+    ref_stack_pop_to(&d_stack, min_dstack_size);
+    dict_set_top();
+}
+/* Report an e-stack block underflow.  The bottom guard slots of */
+/* e-stack blocks contain a pointer to this procedure. */
+private int
+estack_underflow(os_ptr op)
+{
+    return e_ExecStackUnderflow;
+}
+
+/*
+ * Create an operator during initialization.
+ * If operator is hard-coded into the interpreter,
+ * assign it a special type and index.
+ */
+void
+gs_interp_make_oper(ref * opref, op_proc_p proc, int idx)
+{
+    register int i = num_special_ops;
+
+    while (--i >= 0 && proc != special_ops[i]);
+    if (i >= 0)
+	make_tasv(opref, tx_op + i, a_executable, i + 1, opproc, proc);
+    else
+	make_tasv(opref, t_operator, a_executable, idx, opproc, proc);
+}
+
+/*
+ * Invoke the interpreter.  If execution completes normally, return 0.
+ * If an error occurs, the action depends on user_errors as follows:
+ *    user_errors < 0: always return an error code.
+ *    user_errors >= 0: let the PostScript machinery handle all errors.
+ *      (This will eventually result in a fatal error if no 'stopped'
+ *      is active.)
+ * In case of a quit or a fatal error, also store the exit code.
+ */
+private int gs_call_interp(P4(ref *, int, int *, ref *));
+int
+gs_interpret(ref * pref, int user_errors, int *pexit_code, ref * perror_object)
+{
+    gs_gc_root_t error_root;
+    int code;
+
+    gs_register_ref_root(imemory_system, &error_root,
+			 (void **)&perror_object, "gs_interpret");
+    /* Initialize the error object in case of GC. */
+    make_null(perror_object);
+    code = gs_call_interp(pref, user_errors, pexit_code, perror_object);
+    gs_unregister_root(imemory_system, &error_root, "gs_interpret");
+    /* Avoid a dangling reference to a stack-allocated GC signal. */
+    set_gc_signal(NULL, 0);
+    return code;
+}
+private int
+gs_call_interp(ref * pref, int user_errors, int *pexit_code, ref * perror_object)
+{
+    ref *epref = pref;
+    ref doref;
+    ref *perrordict;
+    ref error_name;
+    int code, ccode;
+    ref saref;
+    int gc_signal = 0;
+
+    *pexit_code = 0;
+    ialloc_reset_requested(idmemory);
+  again:o_stack.requested = e_stack.requested = d_stack.requested = 0;
+    while (gc_signal) {		/* Some routine below triggered a GC. */
+	gs_gc_root_t epref_root;
+
+	gc_signal = 0;
+	/* Make sure that doref will get relocated properly if */
+	/* a garbage collection happens with epref == &doref. */
+	gs_register_ref_root(imemory_system, &epref_root,
+			     (void **)&epref,
+			     "gs_call_interpret(epref)");
+	code = (*idmemory->reclaim) (idmemory, -1);
+	gs_unregister_root(imemory_system, &epref_root,
+			   "gs_call_interpret(epref)");
+	if (code < 0)
+	    return code;
+    }
+    code = interp(epref, perror_object);
+    /* Prevent a dangling reference to the GC signal in ticks_left */
+    /* in the frame of interp, but be prepared to do a GC if */
+    /* an allocation in this routine asks for it. */
+    set_gc_signal(&gc_signal, 1);
+    if (esp < esbot)		/* popped guard entry */
+	esp = esbot;
+    switch (code) {
+	case e_Fatal:
+	    *pexit_code = 255;
+	    return code;
+	case e_Quit:
+	    *perror_object = osp[-1];
+	    *pexit_code = code = osp->value.intval;
+	    osp -= 2;
+	    return
+		(code == 0 ? e_Quit :
+		 code < 0 && code > -100 ? code : e_Fatal);
+	case e_InterpreterExit:
+	    return 0;
+	case e_ExecStackUnderflow:
+/****** WRONG -- must keep mark blocks intact ******/
+	    ref_stack_pop_block(&e_stack);
+	    doref = *perror_object;
+	    epref = &doref;
+	    goto again;
+	case e_VMreclaim:
+	    /* Do the GC and continue. */
+	    code = (*idmemory->reclaim) (idmemory,
+					 (osp->value.intval == 2 ?
+					  avm_global : avm_local));
+/****** What if code < 0? ******/
+	    make_oper(&doref, 0, zpop);
+	    epref = &doref;
+	    goto again;
+	case e_NeedInput:
+	    return code;
+    }
+    /* Adjust osp in case of operand stack underflow */
+    if (osp < osbot - 1)
+	osp = osbot - 1;
+    /* We have to handle stack over/underflow specially, because */
+    /* we might be able to recover by adding or removing a block. */
+    switch (code) {
+	case e_dictstackoverflow:
+	    if (ref_stack_extend(&d_stack, d_stack.requested) >= 0) {
+		dict_set_top();
+		doref = *perror_object;
+		epref = &doref;
+		goto again;
+	    }
+	    if (osp >= ostop) {
+		if ((ccode = ref_stack_extend(&o_stack, 1)) < 0)
+		    return ccode;
+	    }
+	    ccode = copy_stack(&d_stack, &saref);
+	    if (ccode < 0)
+		return ccode;
+	    ref_stack_pop_to(&d_stack, min_dstack_size);
+	    dict_set_top();
+	    *++osp = saref;
+	    break;
+	case e_dictstackunderflow:
+	    if (ref_stack_pop_block(&d_stack) >= 0) {
+		dict_set_top();
+		doref = *perror_object;
+		epref = &doref;
+		goto again;
+	    }
+	    break;
+	case e_execstackoverflow:
+	    /* We don't have to handle this specially: */
+	    /* The only places that could generate it */
+	    /* use check_estack, which does a ref_stack_extend, */
+	    /* so if we get this error, it's a real one. */
+	    if (osp >= ostop) {
+		if ((ccode = ref_stack_extend(&o_stack, 1)) < 0)
+		    return ccode;
+	    }
+	    ccode = copy_stack(&e_stack, &saref);
+	    if (ccode < 0)
+		return ccode;
+	    {
+		uint count = ref_stack_count(&e_stack);
+		long limit = ref_stack_max_count(&e_stack) - 10;
+
+		if (count > limit)
+		    pop_estack(count - limit);
+	    }
+	    *++osp = saref;
+	    break;
+	case e_stackoverflow:
+	    if (ref_stack_extend(&o_stack, o_stack.requested) >= 0) {	/* We can't just re-execute the object, because */
+		/* it might be a procedure being pushed as a */
+		/* literal.  We check for this case specially. */
+		doref = *perror_object;
+		if (r_is_proc(&doref)) {
+		    *++osp = doref;
+		    make_null_proc(&doref);
+		}
+		epref = &doref;
+		goto again;
+	    }
+	    ccode = copy_stack(&o_stack, &saref);
+	    if (ccode < 0)
+		return ccode;
+	    ref_stack_clear(&o_stack);
+	    *++osp = saref;
+	    break;
+	case e_stackunderflow:
+	    if (ref_stack_pop_block(&o_stack) >= 0) {
+		doref = *perror_object;
+		epref = &doref;
+		goto again;
+	    }
+	    break;
+    }
+    if (user_errors < 0)
+	return code;
+    if (gs_errorname(code, &error_name) < 0)
+	return code;		/* out-of-range error code! */
+    if (dict_find_string(systemdict, "errordict", &perrordict) <= 0 ||
+	dict_find(perrordict, &error_name, &epref) <= 0
+	)
+	return code;		/* error name not in errordict??? */
+    doref = *epref;
+    epref = &doref;
+    /* Push the error object on the operand stack if appropriate. */
+    if (!error_is_interrupt(code))
+	*++osp = *perror_object;
+    goto again;
+}
+private int
+interp_exit(os_ptr op)
+{
+    return e_InterpreterExit;
+}
+
+/* Set the GC signal for all VMs. */
+private void
+set_gc_signal(int *psignal, int value)
+{
+    gs_memory_gc_status_t stat;
+    int i;
+
+    for (i = 0; i < countof(idmemory->spaces.indexed); i++) {
+	gs_ref_memory_t *mem = idmemory->spaces.indexed[i];
+
+	if (mem != 0) {
+	    gs_memory_gc_status(mem, &stat);
+	    stat.psignal = psignal;
+	    stat.signal_value = value;
+	    gs_memory_set_gc_status(mem, &stat);
+	}
+    }
+}
+
+/* Copy the contents of an overflowed stack into a (local) array. */
+private int
+copy_stack(const ref_stack * pstack, ref * arr)
+{
+    uint size = ref_stack_count(pstack);
+    uint save_space = ialloc_space(idmemory);
+    int code;
+
+    ialloc_set_space(idmemory, avm_local);
+    code = ialloc_ref_array(arr, a_all, size, "copy_stack");
+    if (code >= 0)
+	code = ref_stack_store(pstack, arr, size, 0, 1, true, "copy_stack");
+    ialloc_set_space(idmemory, save_space);
+    return code;
+}
+
+/* Get the name corresponding to an error number. */
+int
+gs_errorname(int code, ref * perror_name)
+{
+    ref *perrordict, *pErrorNames;
+
+    if (dict_find_string(systemdict, "errordict", &perrordict) <= 0 ||
+	dict_find_string(systemdict, "ErrorNames", &pErrorNames) <= 0
+	)
+	return_error(e_undefined);	/* errordict or ErrorNames not found?! */
+    return array_get(pErrorNames, (long)(-code - 1), perror_name);
+}
+
+/* Store an error string in $error.errorinfo. */
+/* This routine is here because of the proximity to the error handler. */
+int
+gs_errorinfo_put_string(const char *str)
+{
+    ref rstr;
+    ref *pderror;
+    int code = string_to_ref(str, &rstr, iimemory, "gs_errorinfo_put_string");
+
+    if (code < 0)
+	return code;
+    if (dict_find_string(systemdict, "$error", &pderror) <= 0 ||
+	!r_has_type(pderror, t_dictionary) ||
+	dict_put_string(pderror, "errorinfo", &rstr) < 0
+	)
+	return_error(e_Fatal);
+    return 0;
+}
+
+/* Main interpreter. */
+/* If execution terminates normally, return e_InterpreterExit. */
+/* If an error occurs, leave the current object in *perror_object */
+/* and return a (negative) error code. */
+private int
+interp(ref * pref /* object to interpret */ , ref * perror_object)
+{				/*
+				 * Note that iref is declared as a ref *, but it may actually be
+				 * a ref_packed *.
+				 */
+    register const ref *iref = pref;
+    register int icount = 0;	/* # of consecutive tokens at iref */
+    register os_ptr iosp = osp;	/* private copy of osp */
+    register es_ptr iesp = esp;	/* private copy of esp */
+    int code;
+    ref token;			/* token read from file or string, */
+
+    /* must be declared in this scope */
+    register const ref *pvalue;
+    os_ptr whichp;
+
+    /*
+     * We have to make the error information into a struct;
+     * otherwise, the Watcom compiler will assign it to registers
+     * strictly on the basis of textual frequency.
+     * We also have to use ref_assign_inline everywhere, and
+     * avoid direct assignments of refs, so that esi and edi
+     * will remain available on Intel processors.
+     */
+    struct interp_error_s {
+	int code;
+	int line;
+	const ref *obj;
+	ref full;
+    } ierror;
+
+    /*
+     * Get a pointer to the name table so that we can use the
+     * inline version of name_index_ref.
+     */
+    const name_table *const int_nt = the_name_table();
+
+#define set_error(ecode)\
+  { ierror.code = ecode; ierror.line = __LINE__; }
+#define return_with_error(ecode, objp)\
+  { set_error(ecode); ierror.obj = objp; goto rwe; }
+#define return_with_error_iref(ecode)\
+  { set_error(ecode); goto rwei; }
+#define return_with_code_iref()\
+  { ierror.line = __LINE__; goto rweci; }
+#define return_with_error_code_op(nargs)\
+  return_with_code_iref()
+#define return_with_stackoverflow(objp)\
+  { o_stack.requested = 1; return_with_error(e_stackoverflow, objp); }
+#define return_with_stackoverflow_iref()\
+  { o_stack.requested = 1; return_with_error_iref(e_stackoverflow); }
+    int ticks_left = gs_interp_time_slice_ticks;
+
+    /*
+     * If we exceed the VMThreshold, set ticks_left to -1
+     * to alert the interpreter that we need to garbage collect.
+     */
+    set_gc_signal(&ticks_left, -100);
+
+    esfile_clear_cache();
+    /*
+     * From here on, if icount > 0, iref and icount correspond
+     * to the top entry on the execution stack: icount is the count
+     * of sequential entries remaining AFTER the current one.
+     */
+#define add1_short(pref) (const ref *)((const ushort *)(pref) + 1)
+#define add1_either(pref) (r_is_packed(pref) ? add1_short(pref) : (pref) + 1)
+#define store_state(ep)\
+  ( icount > 0 ? (ep->value.const_refs = iref + 1, r_set_size(ep, icount)) : 0 )
+#define store_state_short(ep)\
+  ( icount > 0 ? (ep->value.const_refs = add1_short(iref), r_set_size(ep, icount)) : 0 )
+#define store_state_either(ep)\
+  ( icount > 0 ? (ep->value.const_refs = add1_either(iref), r_set_size(ep, icount)) : 0 )
+#define next()\
+  if ( --icount > 0 ) { iref++; goto top; } else goto out
+#define next_short()\
+  if ( --icount <= 0 ) { if ( icount < 0 ) goto up; iesp--; }\
+  iref = add1_short(iref); goto top
+#define next_either()\
+  if ( --icount <= 0 ) { if ( icount < 0 ) goto up; iesp--; }\
+  iref = add1_either(iref); goto top
+
+#if !PACKED_SPECIAL_OPS
+#  undef next_either
+#  define next_either() next()
+#  undef store_state_either
+#  define store_state_either(ep) store_state(ep)
+#endif
+
+    /* We want to recognize executable arrays here, */
+    /* so we push the argument on the estack and enter */
+    /* the loop at the bottom. */
+    if (iesp >= estop)
+	return_with_error(e_execstackoverflow, pref);
+    ++iesp;
+    ref_assign_inline(iesp, pref);
+    goto bot;
+  top:				/*
+				 * This is the top of the interpreter loop.
+				 * iref points to the ref being interpreted.
+				 * Note that this might be an element of a packed array,
+				 * not a real ref: we carefully arranged the first 16 bits of
+				 * a ref and of a packed array element so they could be distinguished
+				 * from each other.  (See ghost.h and packed.h for more detail.)
+				 */
+#ifdef DEBUG
+    /* Do a little validation on the top o-stack entry. */
+    if (iosp >= osbot &&
+	(r_type(iosp) == t__invalid || r_type(iosp) >= tx_next_op)
+	) {
+	lprintf("Invalid value on o-stack!\n");
+	return_with_error_iref(e_Fatal);
+    }
+    if (gs_debug['I'] ||
+	(gs_debug['i'] &&
+	 (r_is_packed(iref) ?
+	  r_packed_is_name((const ref_packed *)iref) :
+	  r_has_type(iref, t_name)))
+	) {
+	void debug_print_ref(P1(const ref *));
+	os_ptr save_osp = osp;	/* avoid side-effects */
+	es_ptr save_esp = esp;
+	int edepth;
+	char depth[10];
+
+	osp = iosp;
+	esp = iesp;
+	edepth = ref_stack_count(&e_stack);
+	sprintf(depth, "%2d", edepth);
+	dputs(depth);
+	for (edepth -= strlen(depth); edepth >= 5; edepth -= 5)
+	    dputc('*');		/* indent */
+	for (; edepth > 0; --edepth)
+	    dputc('.');
+	dlprintf3("0x%lx(%d)<%d>: ",
+		  (ulong) iref, icount, ref_stack_count(&o_stack));
+	debug_print_ref(iref);
+	if (iosp >= osbot) {
+	    dputs(" // ");
+	    debug_print_ref(iosp);
+	}
+	dputc('\n');
+	osp = save_osp;
+	esp = save_esp;
+	fflush(dstderr);
+    }
+#endif
+/* Objects that have attributes (arrays, dictionaries, files, and strings) */
+/* use lit and exec; other objects use plain and plain_exec. */
+#define lit(t) type_xe_value(t, a_execute)
+#define exec(t) type_xe_value(t, a_execute + a_executable)
+#define nox(t) type_xe_value(t, 0)
+#define nox_exec(t) type_xe_value(t, a_executable)
+#define plain(t) type_xe_value(t, 0)
+#define plain_exec(t) type_xe_value(t, a_executable)
+    /*
+     * We have to populate enough cases of the switch statement to force
+     * some compilers to use a dispatch rather than a testing loop.
+     * What a nuisance!
+     */
+    switch (r_type_xe(iref)) {
+	    /* Access errors. */
+#define cases_invalid()\
+  case plain(t__invalid): case plain_exec(t__invalid)
+	  cases_invalid():
+	    return_with_error_iref(e_Fatal);
+#define cases_nox()\
+  case nox_exec(t_array): case nox_exec(t_dictionary):\
+  case nox_exec(t_file): case nox_exec(t_string):\
+  case nox_exec(t_mixedarray): case nox_exec(t_shortarray)
+	  cases_nox():
+	    return_with_error_iref(e_invalidaccess);
+	    /*
+	     * Literal objects.  We have to enumerate all the types.
+	     * In fact, we have to include some extra plain_exec entries
+	     * just to populate the switch.  We break them up into groups
+	     * to avoid overflowing some preprocessors.
+	     */
+#define cases_lit_1()\
+  case lit(t_array): case nox(t_array):\
+  case plain(t_boolean): case plain_exec(t_boolean):\
+  case lit(t_dictionary): case nox(t_dictionary)
+#define cases_lit_2()\
+  case lit(t_file): case nox(t_file):\
+  case plain(t_fontID): case plain_exec(t_fontID):\
+  case plain(t_integer): case plain_exec(t_integer):\
+  case plain(t_mark): case plain_exec(t_mark)
+#define cases_lit_3()\
+  case plain(t_name):\
+  case plain(t_null):\
+  case plain(t_oparray):\
+  case plain(t_operator)
+#define cases_lit_4()\
+  case plain(t_real): case plain_exec(t_real):\
+  case plain(t_save): case plain_exec(t_save):\
+  case lit(t_string): case nox(t_string)
+#define cases_lit_5()\
+  case lit(t_mixedarray): case nox(t_mixedarray):\
+  case lit(t_shortarray): case nox(t_shortarray):\
+  case plain(t_device): case plain_exec(t_device):\
+  case plain(t_struct): case plain_exec(t_struct):\
+  case plain(t_astruct): case plain_exec(t_astruct)
+	    /* Executable arrays are treated as literals in direct execution. */
+#define cases_lit_array()\
+  case exec(t_array): case exec(t_mixedarray): case exec(t_shortarray)
+	  cases_lit_1():
+	  cases_lit_2():
+	  cases_lit_3():
+	  cases_lit_4():
+	  cases_lit_5():
+	  cases_lit_array():
+	    break;
+	    /* Special operators. */
+	case plain_exec(tx_op_add):
+	  x_add:if ((code = zop_add(iosp)) < 0)
+		return_with_error_code_op(2);
+	    iosp--;
+	    next_either();
+	case plain_exec(tx_op_def):
+	  x_def:if ((code = zop_def(iosp)) < 0)
+		return_with_error_code_op(2);
+	    iosp -= 2;
+	    next_either();
+	case plain_exec(tx_op_dup):
+	  x_dup:if (iosp < osbot)
+		return_with_error_iref(e_stackunderflow);
+	    if (iosp >= ostop)
+		return_with_stackoverflow_iref();
+	    iosp++;
+	    ref_assign_inline(iosp, iosp - 1);
+	    next_either();
+	case plain_exec(tx_op_exch):
+	  x_exch:if (iosp <= osbot)
+		return_with_error_iref(e_stackunderflow);
+	    ref_assign_inline(&token, iosp);
+	    ref_assign_inline(iosp, iosp - 1);
+	    ref_assign_inline(iosp - 1, &token);
+	    next_either();
+	case plain_exec(tx_op_if):
+	  x_if:if (!r_has_type(iosp - 1, t_boolean))
+		return_with_error_iref((iosp <= osbot ?
+					e_stackunderflow : e_typecheck));
+	    if (!r_is_proc(iosp))
+		return_with_error_iref(check_proc_failed(iosp));
+	    if (!iosp[-1].value.boolval) {
+		iosp -= 2;
+		next_either();
+	    }
+	    if (iesp >= estop)
+		return_with_error_iref(e_execstackoverflow);
+	    store_state_either(iesp);
+	    whichp = iosp;
+	    iosp -= 2;
+	    goto ifup;
+	case plain_exec(tx_op_ifelse):
+	  x_ifelse:if (!r_has_type(iosp - 2, t_boolean))
+		return_with_error_iref((iosp < osbot + 2 ?
+					e_stackunderflow : e_typecheck));
+	    if (!r_is_proc(iosp - 1))
+		return_with_error_iref(check_proc_failed(iosp - 1));
+	    if (!r_is_proc(iosp))
+		return_with_error_iref(check_proc_failed(iosp));
+	    if (iesp >= estop)
+		return_with_error_iref(e_execstackoverflow);
+	    store_state_either(iesp);
+	    whichp = (iosp[-2].value.boolval ? iosp - 1 : iosp);
+	    iosp -= 3;
+	    /* Open code "up" for the array case(s) */
+	  ifup:if ((icount = r_size(whichp) - 1) <= 0) {
+		if (icount < 0)
+		    goto up;	/* 0-element proc */
+		iref = whichp->value.refs;	/* 1-element proc */
+		if (--ticks_left > 0)
+		    goto top;
+	    }
+	    ++iesp;
+	    /* Do a ref_assign, but also set iref. */
+	    iesp->tas = whichp->tas;
+	    iref = iesp->value.refs = whichp->value.refs;
+	    if (--ticks_left > 0)
+		goto top;
+	    goto slice;
+	case plain_exec(tx_op_index):
+	  x_index:osp = iosp;	/* zindex references o_stack */
+	    if ((code = zindex(iosp)) < 0)
+		return_with_error_code_op(1);
+	    next_either();
+	case plain_exec(tx_op_pop):
+	  x_pop:if (iosp < osbot)
+		return_with_error_iref(e_stackunderflow);
+	    iosp--;
+	    next_either();
+	case plain_exec(tx_op_roll):
+	  x_roll:osp = iosp;	/* zroll references o_stack */
+	    if ((code = zroll(iosp)) < 0)
+		return_with_error_code_op(2);
+	    iosp -= 2;
+	    next_either();
+	case plain_exec(tx_op_sub):
+	  x_sub:if ((code = zop_sub(iosp)) < 0)
+		return_with_error_code_op(2);
+	    iosp--;
+	    next_either();
+	    /* Executable types. */
+	case plain_exec(t_null):
+	    goto bot;
+	case plain_exec(t_oparray):
+	    /* Replace with the definition and go again. */
+	    pvalue = (const ref *)iref->value.const_refs;
+	  opst:		/* Prepare to call a t_oparray procedure in *pvalue. */
+	    store_state(iesp);
+	  oppr:		/* Record the stack depths in case of failure. */
+	    if (iesp >= estop - 3)
+		return_with_error_iref(e_execstackoverflow);
+	    iesp += 4;
+	    osp = iosp;		/* ref_stack_count_inline needs this */
+	    make_mark_estack(iesp - 3, es_other, oparray_cleanup);
+	    make_int(iesp - 2, ref_stack_count_inline(&o_stack));
+	    make_int(iesp - 1, ref_stack_count_inline(&d_stack));
+	    make_op_estack(iesp, oparray_pop);
+	    goto pr;
+	  prst:		/* Prepare to call the procedure (array) in *pvalue. */
+	    store_state(iesp);
+	  pr:			/* Call the array in *pvalue.  State has been stored. */
+	    if ((icount = r_size(pvalue) - 1) <= 0) {
+		if (icount < 0)
+		    goto up;	/* 0-element proc */
+		iref = pvalue->value.refs;	/* 1-element proc */
+		if (--ticks_left > 0)
+		    goto top;
+	    }
+	    if (iesp >= estop)
+		return_with_error_iref(e_execstackoverflow);
+	    ++iesp;
+	    /* Do a ref_assign, but also set iref. */
+	    iesp->tas = pvalue->tas;
+	    iref = iesp->value.refs = pvalue->value.refs;
+	    if (--ticks_left > 0)
+		goto top;
+	    goto slice;
+	case plain_exec(t_operator):
+	    if (--ticks_left <= 0) {	/* The following doesn't work, */
+		/* and I can't figure out why. */
+/****** goto sst; ******/
+	    }
+	    esp = iesp;		/* save for operator */
+	    osp = iosp;		/* ditto */
+	    /* Operator routines take osp as an argument. */
+	    /* This is just a convenience, since they adjust */
+	    /* osp themselves to reflect the results. */
+	    /* Operators that (net) push information on the */
+	    /* operand stack must check for overflow: */
+	    /* this normally happens automatically through */
+	    /* the push macro (in oper.h). */
+	    /* Operators that do not typecheck their operands, */
+	    /* or take a variable number of arguments, */
+	    /* must check explicitly for stack underflow. */
+	    /* (See oper.h for more detail.) */
+	    /* Note that each case must set iosp = osp: */
+	    /* this is so we can switch on code without having to */
+	    /* store it and reload it (for dumb compilers). */
+	    switch (code = call_operator(real_opproc(iref), iosp)) {
+		case 0:	/* normal case */
+		case 1:	/* alternative success case */
+		    iosp = osp;
+		    next();
+		case o_push_estack:	/* store the state and go to up */
+		    store_state(iesp);
+		  opush:iosp = osp;
+		    iesp = esp;
+		    if (--ticks_left > 0)
+			goto up;
+		    goto slice;
+		case o_pop_estack:	/* just go to up */
+		  opop:iosp = osp;
+		    if (esp == iesp)
+			goto bot;
+		    iesp = esp;
+		    goto up;
+		case o_reschedule:
+		    store_state(iesp);
+		    goto res;
+		case e_InsertProc:
+		    store_state(iesp);
+		  oeinsert:ref_assign_inline(iesp + 1, iref);
+		    /* esp = iesp + 2; *esp = the procedure */
+		    iesp = esp;
+		    goto up;
+	    }
+	    iosp = osp;
+	    iesp = esp;
+	    return_with_code_iref();
+	case plain_exec(t_name):
+	    pvalue = iref->value.pname->pvalue;
+	    if (!pv_valid(pvalue)) {
+		uint nidx = names_index(int_nt, iref);
+		uint htemp;
+
+		if ((pvalue = dict_find_name_by_index_inline(nidx, htemp)) == 0)
+		    return_with_error_iref(e_undefined);
+	    }
+	    /* Dispatch on the type of the value. */
+	    /* Again, we have to over-populate the switch. */
+	    switch (r_type_xe(pvalue)) {
+		  cases_invalid():
+		    return_with_error_iref(e_Fatal);
+		  cases_nox():	/* access errors */
+		    return_with_error_iref(e_invalidaccess);
+		  cases_lit_1():
+		  cases_lit_2():
+		  cases_lit_3():
+		  cases_lit_4():
+		  cases_lit_5():
+		    /* Just push the value */
+		    if (iosp >= ostop)
+			return_with_stackoverflow(pvalue);
+		    ++iosp;
+		    ref_assign_inline(iosp, pvalue);
+		    next();
+		case exec(t_array):
+		case exec(t_mixedarray):
+		case exec(t_shortarray):
+		    /* This is an executable procedure, execute it. */
+		    goto prst;
+		case plain_exec(tx_op_add):
+		    goto x_add;
+		case plain_exec(tx_op_def):
+		    goto x_def;
+		case plain_exec(tx_op_dup):
+		    goto x_dup;
+		case plain_exec(tx_op_exch):
+		    goto x_exch;
+		case plain_exec(tx_op_if):
+		    goto x_if;
+		case plain_exec(tx_op_ifelse):
+		    goto x_ifelse;
+		case plain_exec(tx_op_index):
+		    goto x_index;
+		case plain_exec(tx_op_pop):
+		    goto x_pop;
+		case plain_exec(tx_op_roll):
+		    goto x_roll;
+		case plain_exec(tx_op_sub):
+		    goto x_sub;
+		case plain_exec(t_null):
+		    goto bot;
+		case plain_exec(t_oparray):
+		    pvalue = (const ref *)pvalue->value.const_refs;
+		    goto opst;
+		case plain_exec(t_operator):
+		    {		/* Shortcut for operators. */
+			/* See above for the logic. */
+			if (--ticks_left <= 0) {	/* The following doesn't work, */
+			    /* and I can't figure out why. */
+/****** goto sst; ******/
+			}
+			esp = iesp;
+			osp = iosp;
+			switch (code = call_operator(real_opproc(pvalue), iosp)) {
+			    case 0:	/* normal case */
+			    case 1:	/* alternative success case */
+				iosp = osp;
+				next();
+			    case o_push_estack:
+				store_state(iesp);
+				goto opush;
+			    case o_pop_estack:
+				goto opop;
+			    case o_reschedule:
+				store_state(iesp);
+				goto res;
+			    case e_InsertProc:
+				store_state(iesp);
+				goto oeinsert;
+			}
+			iosp = osp;
+			iesp = esp;
+			return_with_error(code, pvalue);
+		    }
+		case plain_exec(t_name):
+		case exec(t_file):
+		case exec(t_string):
+		default:
+		    /* Not a procedure, reinterpret it. */
+		    store_state(iesp);
+		    icount = 0;
+		    iref = pvalue;
+		    goto top;
+	    }
+	case exec(t_file):
+	    {			/* Executable file.  Read the next token and interpret it. */
+		stream *s;
+		scanner_state sstate;
+
+		check_read_known_file(s, iref, return_with_error_iref);
+	      rt:if (iosp >= ostop)	/* check early */
+		    return_with_stackoverflow_iref();
+		osp = iosp;	/* scan_token uses ostack */
+		scanner_state_init(&sstate, false);
+	      again:code = scan_token(s, &token, &sstate);
+		iosp = osp;	/* ditto */
+		switch (code) {
+		    case 0:	/* read a token */
+			/* It's worth checking for literals, which make up */
+			/* the majority of input tokens, before storing the */
+			/* state on the e-stack.  Note that because of //, */
+			/* the token may have *any* type and attributes. */
+			/* Note also that executable arrays aren't executed */
+			/* at the top level -- they're treated as literals. */
+			if (!r_has_attr(&token, a_executable) ||
+			    r_is_array(&token)
+			    ) {	/* If scan_token used the o-stack, */
+			    /* we know we can do a push now; if not, */
+			    /* the pre-check is still valid. */
+			    iosp++;
+			    ref_assign_inline(iosp, &token);
+			    goto rt;
+			}
+			store_state(iesp);
+			/* Push the file on the e-stack */
+			if (iesp >= estop)
+			    return_with_error_iref(e_execstackoverflow);
+			esfile_set_cache(++iesp);
+			ref_assign_inline(iesp, iref);
+			iref = &token;
+			icount = 0;
+			goto top;
+		    case scan_EOF:	/* end of file */
+			esfile_clear_cache();
+			goto bot;
+		    case scan_BOS:
+			/* Binary object sequences */
+			/* ARE executed at the top level. */
+			store_state(iesp);
+			/* Push the file on the e-stack */
+			if (iesp >= estop)
+			    return_with_error_iref(e_execstackoverflow);
+			esfile_set_cache(++iesp);
+			ref_assign_inline(iesp, iref);
+			pvalue = &token;
+			goto pr;
+		    case scan_Refill:
+			store_state(iesp);
+			/* iref may point into the exec stack; */
+			/* save its referent now. */
+			ref_assign_inline(&token, iref);
+			/* Push the file on the e-stack */
+			if (iesp >= estop)
+			    return_with_error_iref(e_execstackoverflow);
+			++iesp;
+			ref_assign_inline(iesp, &token);
+			esp = iesp;
+			osp = iosp;
+			code = scan_handle_refill(&token, &sstate, true, true,
+						  ztokenexec_continue);
+			iosp = osp;
+			iesp = esp;
+			switch (code) {
+			    case 0:
+				iesp--;		/* don't push the file */
+				goto again;	/* stacks are unchanged */
+			    case o_push_estack:
+				esfile_clear_cache();
+				if (--ticks_left > 0)
+				    goto up;
+				goto slice;
+			}
+			/* must be an error */
+			iesp--;	/* don't push the file */
+		    default:	/* error */
+			return_with_code_iref();
+		}
+	    }
+	case exec(t_string):
+	    {			/* Executable string.  Read a token and interpret it. */
+		stream ss;
+		scanner_state sstate;
+
+		scanner_state_init(&sstate, true);
+		sread_string(&ss, iref->value.bytes, r_size(iref));
+		osp = iosp;	/* scan_token uses ostack */
+		code = scan_token(&ss, &token, &sstate);
+		iosp = osp;	/* ditto */
+		switch (code) {
+		    case 0:	/* read a token */
+		    case scan_BOS:	/* binary object sequence */
+			store_state(iesp);
+			/* If the updated string isn't empty, push it back */
+			/* on the e-stack. */
+			{
+			    uint size = sbufavailable(&ss);
+
+			    if (size) {
+				if (iesp >= estop)
+				    return_with_error_iref(e_execstackoverflow);
+				++iesp;
+				iesp->tas.type_attrs = iref->tas.type_attrs;
+				iesp->value.const_bytes = sbufptr(&ss);
+				r_set_size(iesp, size);
+			    }
+			}
+			if (code == 0) {
+			    iref = &token;
+			    icount = 0;
+			    goto top;
+			}
+			/* Handle BOS specially */
+			pvalue = &token;
+			goto pr;
+		    case scan_EOF:	/* end of string */
+			goto bot;
+		    case scan_Refill:	/* error */
+			code = gs_note_error(e_syntaxerror);
+		    default:	/* error */
+			return_with_code_iref();
+		}
+	    }
+	    /* Handle packed arrays here by re-dispatching. */
+	    /* This also picks up some anomalous cases of non-packed arrays. */
+	default:
+	    {
+		uint index;
+
+		switch (*PACKED(iref) >> r_packed_type_shift) {
+		    case pt_full_ref:
+		    case pt_full_ref + 1:
+			if (iosp >= ostop)
+			    return_with_stackoverflow_iref();
+			/* We know this can't be an executable object */
+			/* requiring special handling, so we just push it. */
+			++iosp;
+			/* We know that refs are properly aligned: */
+			/* see packed.h for details. */
+			ref_assign_inline(iosp, iref);
+			next();
+		    case pt_executable_operator:
+			index = *PACKED(iref) & packed_value_mask;
+			if (--ticks_left <= 0) {	/* The following doesn't work, */
+			    /* and I can't figure out why. */
+/****** goto sst_short; ******/
+			}
+			if (!op_index_is_operator(index)) {
+			    store_state_short(iesp);
+			    /* Call the operator procedure. */
+			    index -= op_def_count;
+			    pvalue = (const ref *)
+				(index < r_size(&op_array_table_global.table) ?
+			      op_array_table_global.table.value.const_refs +
+				 index :
+			       op_array_table_local.table.value.const_refs +
+			    (index - r_size(&op_array_table_global.table)));
+			    goto oppr;
+			}
+			/* See the main plain_exec(t_operator) case */
+			/* for details of what happens here. */
+#if PACKED_SPECIAL_OPS
+			/*
+			 * We arranged in iinit.c that the special ops
+			 * have operator indices starting at 1.
+			 *
+			 * The (int) cast in the next line is required
+			 * because some compilers don't allow arithmetic
+			 * involving two different enumerated types.
+			 */
+#  define case_xop(xop) case xop - (int)tx_op + 1
+			switch (index) {
+			      case_xop(tx_op_add):goto x_add;
+			      case_xop(tx_op_def):goto x_def;
+			      case_xop(tx_op_dup):goto x_dup;
+			      case_xop(tx_op_exch):goto x_exch;
+			      case_xop(tx_op_if):goto x_if;
+			      case_xop(tx_op_ifelse):goto x_ifelse;
+			      case_xop(tx_op_index):goto x_index;
+			      case_xop(tx_op_pop):goto x_pop;
+			      case_xop(tx_op_roll):goto x_roll;
+			      case_xop(tx_op_sub):goto x_sub;
+			    case 0:	/* for dumb compilers */
+			    default:
+				;
+			}
+#  undef case_xop
+#endif
+			esp = iesp;
+			osp = iosp;
+			switch (code = call_operator(op_index_proc(index), iosp)) {
+			    case 0:
+			    case 1:
+				iosp = osp;
+				next_short();
+			    case o_push_estack:
+				store_state_short(iesp);
+				goto opush;
+			    case o_pop_estack:
+				iosp = osp;
+				if (esp == iesp) {
+				    next_short();
+				}
+				iesp = esp;
+				goto up;
+			    case o_reschedule:
+				store_state_short(iesp);
+				goto res;
+			    case e_InsertProc:
+				store_state_short(iesp);
+				packed_get((const ref_packed *)iref, iesp + 1);
+				/* esp = iesp + 2; *esp = the procedure */
+				iesp = esp;
+				goto up;
+			}
+			iosp = osp;
+			iesp = esp;
+			return_with_code_iref();
+		    case pt_integer:
+			if (iosp >= ostop)
+			    return_with_stackoverflow_iref();
+			++iosp;
+			make_int(iosp,
+				 (*PACKED(iref) & packed_int_mask) +
+				 packed_min_intval);
+			next_short();
+		    case pt_literal_name:
+			{
+			    uint nidx = *PACKED(iref) & packed_value_mask;
+
+			    if (iosp >= ostop)
+				return_with_stackoverflow_iref();
+			    ++iosp;
+			    name_index_ref_inline(int_nt, nidx, iosp);
+			    next_short();
+			}
+		    case pt_executable_name:
+			{
+			    uint nidx =
+			    (uint) * PACKED(iref) & packed_value_mask;
+
+			    pvalue = name_index_ptr_inline(int_nt, nidx)->pvalue;
+			    if (!pv_valid(pvalue)) {
+				uint htemp;
+
+				if ((pvalue = dict_find_name_by_index_inline(nidx, htemp)) == 0) {
+				    names_index_ref(int_nt, nidx, &token);
+				    return_with_error(e_undefined, &token);
+				}
+			    }
+			    if (r_has_masked_attrs(pvalue, a_execute, a_execute + a_executable)) {	/* Literal, push it. */
+				if (iosp >= ostop)
+				    return_with_stackoverflow_iref();
+				++iosp;
+				ref_assign_inline(iosp, pvalue);
+				next_short();
+			    }
+			    if (r_is_proc(pvalue)) {	/* This is an executable procedure, */
+				/* execute it. */
+				store_state_short(iesp);
+				goto pr;
+			    }
+			    /* Not a literal or procedure, reinterpret it. */
+			    store_state_short(iesp);
+			    icount = 0;
+			    iref = pvalue;
+			    goto top;
+			}
+			/* default can't happen here */
+		}
+	    }
+    }
+    /* Literal type, just push it. */
+    if (iosp >= ostop)
+	return_with_stackoverflow_iref();
+    ++iosp;
+    ref_assign_inline(iosp, iref);
+  bot:next();
+  out:				/* At most 1 more token in the current procedure. */
+    /* (We already decremented icount.) */
+    if (!icount) {		/* Pop the execution stack for tail recursion. */
+	iesp--;
+	iref++;
+	goto top;
+    }
+  up:if (--ticks_left < 0)
+	goto slice;
+    /* See if there is anything left on the execution stack. */
+    if (!r_is_proc(iesp)) {
+	iref = iesp--;
+	icount = 0;
+	goto top;
+    }
+    iref = iesp->value.refs;	/* next element of array */
+    icount = r_size(iesp) - 1;
+    if (icount <= 0) {		/* <= 1 more elements */
+	iesp--;			/* pop, or tail recursion */
+	if (icount < 0)
+	    goto up;
+    }
+    goto top;
+  res:				/* Some operator has asked for context rescheduling. */
+    /* We've done a store_state. */
+    code = (*gs_interp_reschedule_proc) ();
+  sched:			/* We've just called a scheduling procedure. */
+    /* The interpreter state is in memory; iref is not current. */
+    if (code < 0) {
+	set_error(code);
+	/*
+	 * We need a real object to return as the error object.
+	 * (It only has to last long enough to store in
+	 * *perror_object.)
+	 */
+	make_null_proc(&ierror.full);
+	ierror.obj = iref = &ierror.full;
+	goto error_exit;
+    }
+    /* Reload state information from memory. */
+    iosp = osp;
+    iesp = esp;
+    goto up;
+#if 0				/****** ****** ***** */
+  sst:				/* Time-slice, but push the current object first. */
+    store_state(iesp);
+    if (iesp >= estop)
+	return_with_error_iref(e_execstackoverflow);
+    iesp++;
+    ref_assign_inline(iesp, iref);
+#endif /****** ****** ***** */
+  slice:			/* It's time to time-slice or garbage collect. */
+    /* iref is not live, so we don't need to do a store_state. */
+    osp = iosp;
+    esp = iesp;
+    /* If ticks_left <= -100, we need to GC now. */
+    if (ticks_left <= -100) {	/* We need to garbage collect now. */
+	code = (*idmemory->reclaim) (idmemory, -1);
+    } else
+	code = (*gs_interp_time_slice_proc) ();
+    ticks_left = gs_interp_time_slice_ticks;
+    goto sched;
+
+    /* Error exits. */
+
+  rweci:
+    ierror.code = code;
+  rwei:
+    ierror.obj = iref;
+  rwe:
+    if (!r_is_packed(iref))
+	store_state(iesp);
+    else {			/*
+				 * We need a real object to return as the error object.
+				 * (It only has to last long enough to store in
+				 * *perror_object.)
+				 */
+	packed_get((const ref_packed *)ierror.obj, &ierror.full);
+	store_state_short(iesp);
+	if (iref == ierror.obj)
+	    iref = &ierror.full;
+	ierror.obj = &ierror.full;
+    }
+  error_exit:
+    if (error_is_interrupt(ierror.code)) {	/* We must push the current object being interpreted */
+	/* back on the e-stack so it will be re-executed. */
+	/* Currently, this is always an executable operator, */
+	/* but it might be something else someday if we check */
+	/* for interrupts in the interpreter loop itself. */
+	if (iesp >= estop)
+	    code = e_execstackoverflow;
+	else {
+	    iesp++;
+	    ref_assign_inline(iesp, iref);
+	}
+    }
+    esp = iesp;
+    osp = iosp;
+    ref_assign_inline(perror_object, ierror.obj);
+    return gs_log_error(ierror.code, __FILE__, ierror.line);
+
+}
+
+/* Pop the bookkeeping information for a normal exit from a t_oparray. */
+private int
+oparray_pop(os_ptr op)
+{
+    esp -= 3;
+    return o_pop_estack;
+}
+
+/* Restore the stack pointers after an error inside a t_oparray procedure. */
+/* This procedure is called only from pop_estack. */
+private int
+oparray_cleanup(os_ptr op)
+{				/* esp points just below the cleanup procedure. */
+    es_ptr ep = esp;
+    uint ocount_old = (uint) ep[2].value.intval;
+    uint dcount_old = (uint) ep[3].value.intval;
+    uint ocount = ref_stack_count(&o_stack);
+    uint dcount = ref_stack_count(&d_stack);
+
+    if (ocount > ocount_old)
+	ref_stack_pop(&o_stack, ocount - ocount_old);
+    if (dcount > dcount_old) {
+	ref_stack_pop(&d_stack, dcount - dcount_old);
+	dict_set_top();
+    }
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def interp_op_defs[] =
+{
+    /* Internal operators */
+    {"0%interp_exit", interp_exit},
+    {"0%oparray_pop", oparray_pop},
+    op_def_end(0)
+};
diff --git a/pstoraster/interp.h b/pstoraster/interp.h
new file mode 100644
index 000000000..0182b5ad9
--- /dev/null
+++ b/pstoraster/interp.h
@@ -0,0 +1,95 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Internal interfaces to interp.c and iinit.c */
+
+#ifndef interp_INCLUDED
+#  define interp_INCLUDED
+
+/* ------ iinit.c ------ */
+
+/* Enter a name and value into systemdict. */
+void initial_enter_name(P2(const char *, const ref *));
+
+/* Remove a name from systemdict. */
+void initial_remove_name(P1(const char *));
+
+/* ------ interp.c ------ */
+
+/*
+ * Maximum number of arguments (and results) for an operator,
+ * determined by operand stack block size.
+ */
+extern const int gs_interp_max_op_num_args;
+
+/*
+ * Number of slots to reserve at the start of op_def_table for
+ * operators which are hard-coded into the interpreter loop.
+ */
+extern const int gs_interp_num_special_ops;
+
+/*
+ * Create an operator during initialization.
+ * If operator is hard-coded into the interpreter,
+ * assign it a special type and index.
+ */
+void gs_interp_make_oper(P3(ref * opref, op_proc_p, int index));
+
+/* Get the name corresponding to an error number. */
+int gs_errorname(P2(int, ref *));
+
+/* Put a string in $error /errorinfo. */
+int gs_errorinfo_put_string(P1(const char *));
+
+/* Initialize the interpreter. */
+void gs_interp_init(P0());
+
+#ifndef gs_context_state_t_DEFINED
+#  define gs_context_state_t_DEFINED
+typedef struct gs_context_state_s gs_context_state_t;
+
+#endif
+
+/* Define a pointer to the current interpreter context state. */
+extern gs_context_state_t *gs_interp_context_state_current;
+
+/*
+ * Create initial stacks for the interpreter.
+ * We export this for creating new contexts.
+ */
+int gs_interp_alloc_stacks(P2(gs_ref_memory_t * smem,
+			      gs_context_state_t * pcst));
+
+/*
+ * Free the stacks when destroying a context.  This is the inverse of
+ * create_stacks.
+ */
+void gs_interp_free_stacks(P2(gs_ref_memory_t * smem,
+			      gs_context_state_t * pcst));
+
+/* Reset the interpreter. */
+void gs_interp_reset(P0());
+
+#endif /* interp_INCLUDED */
diff --git a/pstoraster/iostack.h b/pstoraster/iostack.h
new file mode 100644
index 000000000..ab3ae86fa
--- /dev/null
+++ b/pstoraster/iostack.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic operand stack API */
+
+#ifndef iostack_INCLUDED
+#  define iostack_INCLUDED
+
+#include "istack.h"
+
+/* Define pointers into the operand stack. */
+typedef s_ptr os_ptr;
+typedef const_s_ptr const_os_ptr;
+
+/* Define the operand stack structure. */
+/* Currently this is just a generic ref stack. */
+typedef struct op_stack_s {
+
+    ref_stack stack;		/* the actual operand stack */
+
+} op_stack_t;
+
+#endif /* iostack_INCLUDED */
diff --git a/pstoraster/ipacked.h b/pstoraster/ipacked.h
new file mode 100644
index 000000000..69681753e
--- /dev/null
+++ b/pstoraster/ipacked.h
@@ -0,0 +1,159 @@
+/* Copyright (C) 1991, 1992, 1993, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Packed array format for Ghostscript */
+
+#ifndef ipacked_INCLUDED
+#  define ipacked_INCLUDED
+
+/*
+
+   In a packed array, an element may either be a 2-byte ref_packed or a
+   full-size ref (8 or 16 bytes).  We carefully arrange the first two bytes,
+   which are either an entire ref_packed or the type_attrs member of a ref,
+   so that we can distinguish the 2 forms.  The encoding:
+
+   00tttttt exrwsfnm    full-size ref
+   010mjjjj jjjjjjjj    executable operator (so bind can work)
+   011mvvvv vvvvvvvv    integer (biased by packed_min_intval)
+   100m---- --------    (not used)
+   101m---- --------    (not used)
+   110miiii iiiiiiii    literal name
+   111miiii iiiiiiii    executable name
+
+   The m bit is the mark bit for the garbage collector.
+
+   ****** Note for the future: We could get packed tokens into the first-level
+   ****** interpreter dispatch by changing to the following representation:
+
+   000ttttt exrwsfnm    full-size ref
+   m0100jjj jjjjjjjj    executable operator (so bind can work)
+   m0101vvv vvvvvvvv    integer (biased by packed_min_intval)
+   m011iiii iiiiiiii    literal name
+   m100iiii iiiiiiii    executable name
+   m101---- --------    (not used)
+   m11----- --------    (not used)
+
+   ****** We aren't going to do this for a while.
+
+   The jjj index of executable operators is either the index of the operator
+   in the op_def_table, if the index is less than op_def_count, or the index
+   of the definition in the op_array_table (subtracting op_def_count first).
+
+   The iii index of names is the one that the name machinery already
+   maintains.  A name whose index is larger than will fit in the packed
+   representation must be represented as a full-size ref.
+
+   There are two packed array types, t_mixedarray and t_shortarray.  A
+   t_mixedarray can have a mix of packed and full-size elements; a
+   t_shortarray has all packed elements.  The 'size' of a packed array is the
+   number of elements, not the number of bytes it occupies.
+
+   Packed array elements can be distinguished from full-size elements, so we
+   allow the interpreter to simply execute all the different kinds of arrays
+   directly.  However, if we really allowed free mixing of packed and
+   full-size elements, this could lead to unaligned placement of full-size
+   refs; some machines can't handle unaligned accesses of this kind.  To
+   guarantee that full-size elements in mixed arrays are always properly
+   aligned, if a full-size ref must be aligned at an address which is 0 mod
+   N, we convert up to N/2-1 preceding packed elements into full-size
+   elements, when creating the array, so that the alignment is preserved.
+   The only code this actually affects is in make_packed_array and in the
+   code for compacting refs in the garbage collector.
+
+   Note that code in zpacked.c and interp.c knows more about the
+   representation of packed elements than the definitions in this file would
+   imply.  Read the code carefully if you change the representation.
+
+ */
+
+#define r_packed_type_shift 13
+#define r_packed_value_bits 12
+typedef enum {
+    pt_full_ref = 0,
+#define pt_min_packed 2
+    pt_executable_operator = 2,
+    pt_integer = 3,
+    pt_unused1 = 4,
+    pt_unused2 = 5,
+#define pt_min_name 6
+    pt_literal_name = 6,
+#define pt_min_exec_name 7
+    pt_executable_name = 7
+} packed_type;
+
+/*
+ * Hackery on top of hackery.
+ *
+ * I'll note in the beginning that this whole packed mechanism is not
+ * strictly conforming, so it's not surprising at all that it runs
+ * into problems somewhere.
+ *
+ * This is used where its pref operand may be a ref_packed, not necessarily
+ * aligned as strictly as a full-size ref.  The DEC C compiler, and possibly
+ * others, may compile code assuming that pref is ref-aligned.  Therefore, we
+ * explicitly cast the pointer to a less-strictly-aligned type.  In order to
+ * convince the compiler, we have to do the cast before indexing into the
+ * structure.
+ */
+#ifdef __GNUC__
+/* GCC looks through the cast as if it weren't there.  It turns out that
+   copying the value to a properly declared variable is convincing.  Use
+   a bit of other GCC magic to make this transparent.  */
+#define PACKED(pref)    ({ushort *_T_ = (ushort *)(pref); _T_; })
+#else
+#define PACKED(pref)    ((ushort *)(pref))
+#endif
+
+#define packed_per_ref (sizeof(ref) / sizeof(ref_packed))
+#define align_packed_per_ref\
+  (arch_align_ref_mod / arch_align_short_mod)
+#define pt_tag(pt) ((ref_packed)(pt) << r_packed_type_shift)
+#define packed_value_mask ((1 << r_packed_value_bits) - 1)
+#define packed_max_value packed_value_mask
+#define r_is_packed(rp)  (*PACKED(rp) >= pt_tag(pt_min_packed))
+/* Names */
+#define r_packed_is_name(prp) (*PACKED(prp) >= pt_tag(pt_min_name))
+#define r_packed_is_exec_name(prp) (*PACKED(prp) >= pt_tag(pt_min_exec_name))
+#define packed_name_max_index packed_max_value
+#define packed_name_index(prp) (*PACKED(prp) & packed_value_mask)
+/* Integers */
+#define packed_min_intval (-(1 << (r_packed_value_bits - 1)))
+#define packed_max_intval ((1 << (r_packed_value_bits - 1)) - 1)
+#define packed_int_mask packed_value_mask
+
+/* Packed ref marking */
+#define lp_mark_shift 12
+#define lp_mark (1 << lp_mark_shift)
+#define r_has_pmark(rp) (*PACKED(rp) & lp_mark)
+#define r_set_pmark(rp) (*PACKED(rp) |= lp_mark)
+#define r_clear_pmark(rp) (*PACKED(rp) &= ~lp_mark)
+#define r_store_pmark(rp,pm) (*PACKED(rp) = (*PACKED(rp) & ~lp_mark) | (pm))
+
+/* Advance to the next element in a packed array. */
+#define packed_next(prp)\
+  (r_is_packed(prp) ? prp + 1 : prp + packed_per_ref)
+
+#endif /* ipacked_INCLUDED */
diff --git a/pstoraster/iparam.c b/pstoraster/iparam.c
new file mode 100644
index 000000000..26c6321b6
--- /dev/null
+++ b/pstoraster/iparam.c
@@ -0,0 +1,1080 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter implementations of parameter dictionaries */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "errors.h"
+#include "oper.h"		/* for check_type */
+#include "opcheck.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "imemory.h"		/* for iutil.h */
+#include "iname.h"
+#include "istack.h"
+#include "iparam.h"
+#include "iutil.h"		/* for num_params */
+#include "ivmspace.h"
+#include "store.h"
+
+/* ================ Utilities ================ */
+
+/* Convert a key to a ref. */
+private int
+ref_param_key(const iparam_list * plist, gs_param_name pkey, ref * pkref)
+{
+    if (plist->int_keys) {
+	long key;
+
+	if (sscanf(pkey, "%ld", &key) != 1)
+	    return_error(e_rangecheck);
+	make_int(pkref, key);
+	return 0;
+    } else
+	return name_ref((const byte *)pkey, strlen(pkey), pkref, 0);
+}
+
+/* Fill in a gs_param_key_t from a name or int ref. */
+private int
+ref_to_key(const ref * pref, gs_param_key_t * key)
+{
+    if (r_has_type(pref, t_name)) {
+	ref nref;
+
+	name_string_ref(pref, &nref);
+	key->data = nref.value.const_bytes;
+	key->size = r_size(&nref);
+    } else if (r_has_type(pref, t_integer)) {
+	char istr[22];		/* big enough for signed 64-bit value */
+	int len;
+	byte *buf;
+
+	sprintf(istr, "%ld", pref->value.intval);
+	len = strlen(istr);
+	/* GC will take care of freeing this: */
+	buf = ialloc_string(len, "ref_to_key");
+	if (!buf)
+	    return_error(e_VMerror);
+	key->data = buf;
+	key->size = len;
+    } else
+	return_error(e_typecheck);
+    return 0;
+}
+
+/* ================ Writing parameters to refs ================ */
+
+/* ---------------- Generic writing procedures ---------------- */
+
+private param_proc_begin_xmit_collection(ref_param_begin_write_collection);
+private param_proc_end_xmit_collection(ref_param_end_write_collection);
+private param_proc_xmit_typed(ref_param_write_typed);
+private param_proc_next_key(ref_param_get_next_key);
+private param_proc_requested(ref_param_requested);
+private const gs_param_list_procs ref_write_procs =
+{
+    ref_param_write_typed,
+    ref_param_begin_write_collection,
+    ref_param_end_write_collection,
+    ref_param_get_next_key,
+    NULL,			/* request */
+    ref_param_requested
+};
+private int ref_array_param_requested(P5(const gs_param_list *, gs_param_name,
+					 ref *, uint, client_name_t));
+private int ref_param_write(P3(iparam_list *, gs_param_name, const ref *));
+private int ref_param_write_string_value(P2(ref *, const gs_param_string *));
+private int ref_param_write_name_value(P2(ref *, const gs_param_string *));
+private int
+ref_param_make_int(ref * pe, const void *pvalue, uint i)
+{
+    make_int_new(pe, ((const gs_param_int_array *)pvalue)->data[i]);
+    return 0;
+}
+private int
+ref_param_make_float(ref * pe, const void *pvalue, uint i)
+{
+    make_real_new(pe, ((const gs_param_float_array *)pvalue)->data[i]);
+    return 0;
+}
+private int
+ref_param_make_string(ref * pe, const void *pvalue, uint i)
+{
+    return ref_param_write_string_value(pe,
+			 &((const gs_param_string_array *)pvalue)->data[i]);
+}
+private int
+ref_param_make_name(ref * pe, const void *pvalue, uint i)
+{
+    return ref_param_write_name_value(pe,
+			 &((const gs_param_string_array *)pvalue)->data[i]);
+}
+private int
+ref_param_write_typed_array(gs_param_list * plist, gs_param_name pkey,
+			    void *pvalue, uint count,
+			    int (*make) (P3(ref *, const void *, uint)))
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    ref value;
+    uint i;
+    ref *pe;
+    int code;
+
+    if ((code = ref_array_param_requested(plist, pkey, &value, count,
+				       "ref_param_write_typed_array")) <= 0)
+	return code;
+    for (i = 0, pe = value.value.refs; i < count; ++i, ++pe)
+	if ((code = (*make) (pe, pvalue, i)) < 0)
+	    return code;
+    return ref_param_write(iplist, pkey, &value);
+}
+private int
+ref_param_begin_write_collection(gs_param_list * plist, gs_param_name pkey,
+				 gs_param_dict * pvalue,
+				 gs_param_collection_type_t coll_type)
+{
+    dict_param_list *dlist =
+    (dict_param_list *) ialloc_bytes(size_of(dict_param_list),
+				     "ref_param_begin_write_collection");
+    int code;
+
+    if (dlist == 0)
+	return_error(e_VMerror);
+    if (coll_type != gs_param_collection_array) {
+	ref dref;
+
+	code = dict_create(pvalue->size, &dref);
+	if (code >= 0) {
+	    code = dict_param_list_write(dlist, &dref, NULL);
+	    dlist->int_keys = coll_type == gs_param_collection_dict_int_keys;
+	}
+    } else {
+	ref aref;
+
+	code = ialloc_ref_array(&aref, a_all, pvalue->size,
+				"ref_param_begin_write_collection");
+	if (code >= 0)
+	    code = array_indexed_param_list_write(dlist, &aref, NULL);
+    }
+    if (code < 0)
+	ifree_object(dlist, "ref_param_begin_write_collection");
+    else
+	pvalue->list = (gs_param_list *) dlist;
+    return code;
+}
+private int
+ref_param_end_write_collection(gs_param_list * plist, gs_param_name pkey,
+			       gs_param_dict * pvalue)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    int code = ref_param_write(iplist, pkey,
+			       &((dict_param_list *) pvalue->list)->dict);
+
+    ifree_object(pvalue->list, "ref_param_end_write_collection");
+    return code;
+}
+private int
+ref_param_write_typed(gs_param_list * plist, gs_param_name pkey,
+		      gs_param_typed_value * pvalue)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    ref value;
+    int code = 0;
+
+    switch (pvalue->type) {
+	case gs_param_type_null:
+	    make_null(&value);
+	    break;
+	case gs_param_type_bool:
+	    make_bool(&value, pvalue->value.b);
+	    break;
+	case gs_param_type_int:
+	    make_int(&value, pvalue->value.i);
+	    break;
+	case gs_param_type_long:
+	    make_int(&value, pvalue->value.l);
+	    break;
+	case gs_param_type_float:
+	    make_real(&value, pvalue->value.f);
+	    break;
+	case gs_param_type_string:
+	    if (!ref_param_requested(plist, pkey))
+		return 0;
+	    code = ref_param_write_string_value(&value, &pvalue->value.s);
+	    break;
+	case gs_param_type_name:
+	    if (!ref_param_requested(plist, pkey))
+		return 0;
+	    code = ref_param_write_name_value(&value, &pvalue->value.n);
+	    break;
+	case gs_param_type_int_array:
+	    return ref_param_write_typed_array(plist, pkey, &pvalue->value.ia,
+					       pvalue->value.ia.size,
+					       ref_param_make_int);
+	case gs_param_type_float_array:
+	    return ref_param_write_typed_array(plist, pkey, &pvalue->value.fa,
+					       pvalue->value.fa.size,
+					       ref_param_make_float);
+	case gs_param_type_string_array:
+	    return ref_param_write_typed_array(plist, pkey, &pvalue->value.sa,
+					       pvalue->value.sa.size,
+					       ref_param_make_string);
+	case gs_param_type_name_array:
+	    return ref_param_write_typed_array(plist, pkey, &pvalue->value.na,
+					       pvalue->value.na.size,
+					       ref_param_make_name);
+	case gs_param_type_dict:
+	case gs_param_type_dict_int_keys:
+	case gs_param_type_array:
+	    return ref_param_begin_write_collection(plist, pkey,
+						    &pvalue->value.d,
+					 (gs_param_collection_type_t)(pvalue->type - gs_param_type_dict));
+	default:
+	    return_error(e_typecheck);
+    }
+    if (code < 0)
+	return code;
+    return ref_param_write(iplist, pkey, &value);
+}
+
+/* Check whether a given parameter was requested. */
+private int
+ref_param_requested(const gs_param_list * plist, gs_param_name pkey)
+{
+    const iparam_list *const ciplist = (const iparam_list *)plist;
+    ref kref;
+    ref *ignore_value;
+
+    if (!r_has_type(&ciplist->u.w.wanted, t_dictionary))
+	return -1;
+    if (ref_param_key(ciplist, pkey, &kref) < 0)
+	return -1;		/* catch it later */
+    return (dict_find(&ciplist->u.w.wanted, &kref, &ignore_value) > 0);
+}
+
+/* Check whether an array parameter is wanted, and allocate it if so. */
+/* Return <0 on error, 0 if not wanted, 1 if wanted. */
+private int
+ref_array_param_requested(const gs_param_list * plist, gs_param_name pkey,
+			  ref * pvalue, uint size, client_name_t cname)
+{
+    int code;
+
+    if (!ref_param_requested(plist, pkey))
+	return 0;
+    code = ialloc_ref_array(pvalue, a_all, size, cname);
+    return (code < 0 ? code : 1);
+}
+
+/* ---------------- Internal routines ---------------- */
+
+/* Prepare to write a string value. */
+private int
+ref_param_write_string_value(ref * pref, const gs_param_string * pvalue)
+{
+    const byte *pdata = pvalue->data;
+    uint n = pvalue->size;
+
+    if (pvalue->persistent)
+	make_const_string(pref, a_readonly | avm_foreign, n, pdata);
+    else {
+	byte *pstr = ialloc_string(n, "ref_param_write_string");
+
+	if (pstr == 0)
+	    return_error(e_VMerror);
+	memcpy(pstr, pdata, n);
+	make_string(pref, a_readonly | icurrent_space, n, pstr);
+    }
+    return 0;
+}
+
+/* Prepare to write a name value. */
+private int
+ref_param_write_name_value(ref * pref, const gs_param_string * pvalue)
+{
+    return name_ref(pvalue->data, pvalue->size, pref,
+		    (pvalue->persistent ? 0 : 1));
+}
+
+/* Generic routine for writing a ref parameter. */
+private int
+ref_param_write(iparam_list * plist, gs_param_name pkey, const ref * pvalue)
+{
+    ref kref;
+    int code;
+
+    if (!ref_param_requested((gs_param_list *) plist, pkey))
+	return 0;
+    code = ref_param_key(plist, pkey, &kref);
+    if (code < 0)
+	return code;
+    return (*plist->u.w.write) (plist, &kref, pvalue);
+}
+
+/* ---------------- Implementations ---------------- */
+
+/* Initialize for writing parameters. */
+private void
+ref_param_write_init(iparam_list * plist, const ref * pwanted)
+{
+    plist->procs = &ref_write_procs;
+    plist->memory = imemory;
+    if (pwanted == 0)
+	make_null(&plist->u.w.wanted);
+    else
+	plist->u.w.wanted = *pwanted;
+    plist->results = 0;
+    plist->int_keys = false;
+}
+
+/* Implementation for getting parameters to a stack. */
+private int
+stack_param_write(iparam_list * plist, const ref * pkey, const ref * pvalue)
+{
+    stack_param_list *const splist = (stack_param_list *) plist;
+    ref_stack *pstack = splist->pstack;
+    s_ptr p = pstack->p;
+
+    if (pstack->top - p < 2) {
+	int code = ref_stack_push(pstack, 2);
+
+	if (code < 0)
+	    return code;
+	*ref_stack_index(pstack, 1) = *pkey;
+	p = pstack->p;
+    } else {
+	pstack->p = p += 2;
+	p[-1] = *pkey;
+    }
+    *p = *pvalue;
+    splist->count++;
+    return 0;
+}
+
+/* Implementation for enumerating parameters on a stack */
+private int			/* ret 0 ok, 1 if EOF, or -ve err */
+stack_param_enumerate(iparam_list * plist, gs_param_enumerator_t * penum,
+		      gs_param_key_t * key, ref_type * type)
+{
+    int code;
+    stack_param_list *const splist = (stack_param_list *) plist;
+    long index = penum->intval;
+    ref *stack_element;
+
+    do {
+	stack_element =
+	    ref_stack_index(splist->pstack, index + 1 + splist->skip);
+	if (!stack_element)
+	    return 1;
+    } while (index += 2, !r_has_type(stack_element, t_name));
+    *type = r_type(stack_element);
+    code = ref_to_key(stack_element, key);
+    penum->intval = index;
+    return code;
+}
+
+int
+stack_param_list_write(stack_param_list * plist, ref_stack * pstack,
+		       const ref * pwanted)
+{
+    plist->u.w.write = stack_param_write;
+    ref_param_write_init((iparam_list *) plist, pwanted);
+    plist->enumerate = stack_param_enumerate;
+    plist->pstack = pstack;
+    plist->skip = 0;
+    plist->count = 0;
+    return 0;
+}
+
+/* Implementation for getting parameters to a dictionary. */
+private int
+dict_param_write(iparam_list * plist, const ref * pkey, const ref * pvalue)
+{
+    int code = dict_put(&((dict_param_list *) plist)->dict, pkey, pvalue);
+
+    return min(code, 0);
+}
+
+/* Implementation for enumerating parameters in a dictionary */
+private int			/* ret 0 ok, 1 if EOF, or -ve err */
+dict_param_enumerate(iparam_list * plist, gs_param_enumerator_t * penum,
+		     gs_param_key_t * key, ref_type * type)
+{
+    ref elt[2];
+    int code;
+    dict_param_list *const pdlist = (dict_param_list *) plist;
+    int index =
+    (penum->intval != 0 ? penum->intval : dict_first(&pdlist->dict));
+
+    index = dict_next(&pdlist->dict, index, elt);
+    if (index < 0)
+	return 1;
+    *type = r_type(&elt[1]);
+    code = ref_to_key(&elt[1], key);
+    penum->intval = index;
+    return code;
+}
+
+int
+dict_param_list_write(dict_param_list * plist, ref * pdict, const ref * pwanted)
+{
+    check_dict_write(*pdict);
+    plist->u.w.write = dict_param_write;
+    plist->enumerate = dict_param_enumerate;
+    ref_param_write_init((iparam_list *) plist, pwanted);
+    plist->dict = *pdict;
+    return 0;
+}
+
+/* Implementation for getting parameters to an indexed array. */
+private int
+array_indexed_param_write(iparam_list * plist, const ref * pkey,
+			  const ref * pvalue)
+{
+    const ref *const arr = &((dict_param_list *) plist)->dict;
+    ref *eltp;
+
+    if (!r_has_type(pkey, t_integer))
+	return_error(e_typecheck);
+    check_int_ltu(*pkey, r_size(arr));
+    store_check_dest(arr, pvalue);
+    eltp = arr->value.refs + pkey->value.intval;
+    ref_assign_old(arr, eltp, pvalue, "array_indexed_param_write");
+    return 0;
+}
+int
+array_indexed_param_list_write(dict_param_list * plist, ref * parray,
+			       const ref * pwanted)
+{
+    check_array(*parray);
+    check_write(*parray);
+    plist->u.w.write = array_indexed_param_write;
+    ref_param_write_init((iparam_list *) plist, pwanted);
+    plist->dict = *parray;
+    plist->int_keys = true;
+    return 0;
+}
+
+/* ================ Reading refs to parameters ================ */
+
+/* ---------------- Generic reading procedures ---------------- */
+
+private param_proc_begin_xmit_collection(ref_param_begin_read_collection);
+private param_proc_end_xmit_collection(ref_param_end_read_collection);
+private param_proc_xmit_typed(ref_param_read_typed);
+
+/*private param_proc_next_key(ref_param_get_next_key); already dec'ld above */
+private param_proc_get_policy(ref_param_read_get_policy);
+private param_proc_signal_error(ref_param_read_signal_error);
+private param_proc_commit(ref_param_read_commit);
+private const gs_param_list_procs ref_read_procs =
+{
+    ref_param_read_typed,
+    ref_param_begin_read_collection,
+    ref_param_end_read_collection,
+    ref_param_get_next_key,
+    NULL,			/* request */
+    NULL,			/* requested */
+    ref_param_read_get_policy,
+    ref_param_read_signal_error,
+    ref_param_read_commit
+};
+private int ref_param_read(P4(iparam_list *, gs_param_name,
+			      iparam_loc *, int));
+private int ref_param_read_string_value(P2(const iparam_loc *,
+					   gs_param_string *));
+private int ref_param_read_array(P3(iparam_list *, gs_param_name,
+				    iparam_loc *));
+
+#define iparam_note_error(loc, code)\
+  gs_note_error(*(loc).presult = code)
+#define iparam_check_type(loc, typ)\
+  if ( !r_has_type((loc).pvalue, typ) )\
+    return iparam_note_error(loc, e_typecheck)
+#define iparam_check_read(loc)\
+  if ( !r_has_attr((loc).pvalue, a_read) )\
+    return iparam_note_error(loc, e_invalidaccess)
+
+private int
+ref_param_read_int_array(gs_param_list * plist, gs_param_name pkey,
+			 gs_param_int_array * pvalue)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    iparam_loc loc;
+    int code = ref_param_read_array(iplist, pkey, &loc);
+    int *piv;
+    uint size;
+    long i;
+
+    if (code != 0)
+	return code;
+    size = r_size(loc.pvalue);
+    piv = (int *)ialloc_byte_array(size, sizeof(int),
+				   "ref_param_read_int_array");
+
+    if (piv == 0)
+	return_error(e_VMerror);
+    for (i = 0; i < size; i++) {
+	ref elt;
+
+	array_get(loc.pvalue, i, &elt);
+	if (!r_has_type(&elt, t_integer)) {
+	    code = gs_note_error(e_typecheck);
+	    break;
+	}
+#if arch_sizeof_int < arch_sizeof_long
+	if (elt.value.intval != (int)elt.value.intval) {
+	    code = gs_note_error(e_rangecheck);
+	    break;
+	}
+#endif
+	piv[i] = (int)elt.value.intval;
+    }
+    if (code < 0) {
+	ifree_object(piv, "ref_param_read_int_array");
+	return (*loc.presult = code);
+    }
+    pvalue->data = piv;
+    pvalue->size = size;
+    pvalue->persistent = true;
+    return 0;
+}
+private int
+ref_param_read_float_array(gs_param_list * plist, gs_param_name pkey,
+			   gs_param_float_array * pvalue)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    iparam_loc loc;
+    ref aref, elt;
+    int code = ref_param_read_array(iplist, pkey, &loc);
+    float *pfv;
+    uint size;
+    long i;
+
+    if (code != 0)
+	return code;
+    size = r_size(loc.pvalue);
+    pfv = (float *)ialloc_byte_array(size, sizeof(float),
+				     "ref_param_read_float_array");
+
+    if (pfv == 0)
+	return_error(e_VMerror);
+    aref = *loc.pvalue;
+    loc.pvalue = &elt;
+    for (i = 0; code >= 0 && i < size; i++) {
+	array_get(&aref, i, &elt);
+	code = float_param(&elt, pfv + i);
+    }
+    if (code < 0) {
+	ifree_object(pfv, "ref_read_float_array_param");
+	return (*loc.presult = code);
+    }
+    pvalue->data = pfv;
+    pvalue->size = size;
+    pvalue->persistent = true;
+    return 0;
+}
+private int
+ref_param_read_string_array(gs_param_list * plist, gs_param_name pkey,
+			    gs_param_string_array * pvalue)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    iparam_loc loc;
+    ref aref, elt;
+    int code = ref_param_read_array(iplist, pkey, &loc);
+    gs_param_string *psv;
+    uint size;
+    long i;
+
+    if (code != 0)
+	return code;
+    size = r_size(loc.pvalue);
+    psv =
+	(gs_param_string *) ialloc_byte_array(size, sizeof(gs_param_string),
+					      "ref_param_read_string_array");
+    if (psv == 0)
+	return_error(e_VMerror);
+    aref = *loc.pvalue;
+    loc.pvalue = &elt;
+    for (i = 0; code >= 0 && i < size; i++) {
+	array_get(&aref, i, &elt);
+	code = ref_param_read_string_value(&loc, psv + i);
+    }
+    if (code < 0) {
+	ifree_object(psv, "ref_param_read_string_array");
+	return (*loc.presult = code);
+    }
+    pvalue->data = psv;
+    pvalue->size = size;
+    pvalue->persistent = true;
+    return 0;
+}
+private int
+ref_param_begin_read_collection(gs_param_list * plist, gs_param_name pkey,
+				gs_param_dict * pvalue,
+				gs_param_collection_type_t coll_type)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    iparam_loc loc;
+    bool int_keys = coll_type != 0;
+    int code = ref_param_read(iplist, pkey, &loc, -1);
+    dict_param_list *dlist;
+
+    if (code != 0)
+	return code;
+    dlist = (dict_param_list *)
+	ialloc_bytes(size_of(dict_param_list),
+		     "ref_param_begin_read_collection");
+    if (dlist == 0)
+	return_error(e_VMerror);
+    if (r_has_type(loc.pvalue, t_dictionary)) {
+	code = dict_param_list_read(dlist, loc.pvalue, NULL, false);
+	dlist->int_keys = int_keys;
+	if (code >= 0)
+	    pvalue->size = dict_length(loc.pvalue);
+    } else if (int_keys && r_is_array(loc.pvalue)) {
+	code = array_indexed_param_list_read(dlist, loc.pvalue, NULL, false);
+	if (code >= 0)
+	    pvalue->size = r_size(loc.pvalue);
+    } else
+	code = gs_note_error(e_typecheck);
+    if (code < 0) {
+	ifree_object(dlist, "ref_param_begin_write_collection");
+	return iparam_note_error(loc, code);
+    }
+    pvalue->list = (gs_param_list *) dlist;
+    return 0;
+}
+private int
+ref_param_end_read_collection(gs_param_list * plist, gs_param_name pkey,
+			      gs_param_dict * pvalue)
+{
+    iparam_list_release((dict_param_list *) pvalue->list);
+    ifree_object(pvalue->list, "ref_param_end_read_collection");
+    return 0;
+}
+private int
+ref_param_read_typed(gs_param_list * plist, gs_param_name pkey,
+		     gs_param_typed_value * pvalue)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    iparam_loc loc;
+    ref elt;
+    int code = ref_param_read(iplist, pkey, &loc, -1);
+
+    if (code != 0)
+	return code;
+    switch (r_type(loc.pvalue)) {
+	case t_array:
+	case t_mixedarray:
+	case t_shortarray:
+	    iparam_check_read(loc);
+	    if (r_size(loc.pvalue) <= 0) {
+		/* 0-length array; can't get type info */
+		pvalue->type = gs_param_type_array;
+		pvalue->value.d.list = 0;
+		pvalue->value.d.size = 0;
+		return 0;
+	    }
+	    /* Get array type based on type of 1st element of array */
+	    array_get(loc.pvalue, 0, &elt);
+	    switch (r_type(&elt)) {	/* redundant key lookup, but cached */
+		case t_integer:
+		    pvalue->type = gs_param_type_int_array;
+		    return ref_param_read_int_array(plist, pkey, &pvalue->value.ia);
+		case t_real:
+		    pvalue->type = gs_param_type_float_array;
+		    return ref_param_read_float_array(plist, pkey, &pvalue->value.fa);
+		case t_string:
+		    pvalue->type = gs_param_type_string_array;
+		    return ref_param_read_string_array(plist, pkey, &pvalue->value.sa);
+		case t_name:
+		    pvalue->type = gs_param_type_name_array;
+		    return ref_param_read_string_array(plist, pkey, &pvalue->value.na);
+		default:
+		    break;
+	    }
+	    return gs_note_error(e_typecheck);
+	case t_boolean:
+	    pvalue->type = gs_param_type_bool;
+	    pvalue->value.b = loc.pvalue->value.boolval;
+	    return 0;
+	case t_dictionary:
+	    code = ref_param_begin_read_collection(plist, pkey,
+			    &pvalue->value.d, gs_param_collection_dict_any);
+	    if (code < 0)
+		return code;
+	    pvalue->type = gs_param_type_dict;
+
+	    /* fixup new dict's type & int_keys field if contents have int keys */
+	    {
+		gs_param_enumerator_t enumr;
+		gs_param_key_t key;
+		ref_type keytype;
+
+		param_init_enumerator(&enumr);
+		if (!(*((iparam_list *) plist)->enumerate)
+		    ((iparam_list *) pvalue->value.d.list, &enumr, &key, &keytype)
+		    && keytype == t_integer) {
+		    ((dict_param_list *) pvalue->value.d.list)->int_keys = 1;
+		    pvalue->type = gs_param_type_dict_int_keys;
+		}
+	    }
+	    return 0;
+	case t_integer:
+	    pvalue->type = gs_param_type_long;
+	    pvalue->value.l = loc.pvalue->value.intval;
+	    return 0;
+	case t_name:
+	    pvalue->type = gs_param_type_name;
+	    return ref_param_read_string_value(&loc, &pvalue->value.n);
+	case t_null:
+	    pvalue->type = gs_param_type_null;
+	    return 0;
+	case t_real:
+	    pvalue->value.f = loc.pvalue->value.realval;
+	    pvalue->type = gs_param_type_float;
+	    return 0;
+	case t_string:
+	    pvalue->type = gs_param_type_string;
+	    return ref_param_read_string_value(&loc, &pvalue->value.s);
+	default:
+	    break;
+    }
+    return gs_note_error(e_typecheck);
+}
+
+private int
+ref_param_read_get_policy(gs_param_list * plist, gs_param_name pkey)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    ref *pvalue;
+
+    if (!(r_has_type(&iplist->u.r.policies, t_dictionary) &&
+	  dict_find_string(&iplist->u.r.policies, pkey, &pvalue) > 0 &&
+	  r_has_type(pvalue, t_integer))
+	)
+	return gs_param_policy_ignore;
+    return (int)pvalue->value.intval;
+}
+private int
+ref_param_read_signal_error(gs_param_list * plist, gs_param_name pkey, int code)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    iparam_loc loc;
+
+    ref_param_read(iplist, pkey, &loc, -1);	/* can't fail */
+    *loc.presult = code;
+    switch (ref_param_read_get_policy(plist, pkey)) {
+	case gs_param_policy_ignore:
+	    return 0;
+	case gs_param_policy_consult_user:
+	    return_error(e_configurationerror);
+	default:
+	    return code;
+    }
+}
+private int
+ref_param_read_commit(gs_param_list * plist)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    int i;
+    int ecode = 0;
+
+    if (!iplist->u.r.require_all)
+	return 0;
+    /* Check to make sure that all parameters were actually read. */
+    for (i = 0; i < iplist->count; ++i)
+	if (iplist->results[i] == 0)
+	    iplist->results[i] = ecode = gs_note_error(e_undefined);
+    return ecode;
+}
+private int
+ref_param_get_next_key(gs_param_list * plist, gs_param_enumerator_t * penum,
+		       gs_param_key_t * key)
+{
+    ref_type keytype;		/* result not needed here */
+    iparam_list *const pilist = (iparam_list *) plist;
+
+    return (*pilist->enumerate) (pilist, penum, key, &keytype);
+}
+
+/* ---------------- Internal routines ---------------- */
+
+/* Read a string value. */
+private int
+ref_param_read_string_value(const iparam_loc * ploc, gs_param_string * pvalue)
+{
+    const ref *pref = ploc->pvalue;
+    ref nref;
+
+    switch (r_type(pref)) {
+	case t_name:
+	    name_string_ref(pref, &nref);
+	    pref = &nref;
+	    pvalue->persistent = true;
+	    goto s;
+	case t_string:
+	    iparam_check_read(*ploc);
+	    pvalue->persistent = false;
+	  s:pvalue->data = pref->value.const_bytes;
+	    pvalue->size = r_size(pref);
+	    break;
+	default:
+	    return iparam_note_error(*ploc, e_typecheck);
+    }
+    return 0;
+}
+
+/* Read an array (or packed array) parameter. */
+private int
+ref_param_read_array(iparam_list * plist, gs_param_name pkey, iparam_loc * ploc)
+{
+    int code = ref_param_read(plist, pkey, ploc, -1);
+
+    if (code != 0)
+	return code;
+    if (!r_is_array(ploc->pvalue))
+	return iparam_note_error(*ploc, e_typecheck);
+    iparam_check_read(*ploc);
+    return 0;
+}
+
+/* Generic routine for reading a ref parameter. */
+private int
+ref_param_read(iparam_list * plist, gs_param_name pkey, iparam_loc * ploc,
+	       int type)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    ref kref;
+    int code = ref_param_key(plist, pkey, &kref);
+
+    if (code < 0)
+	return code;
+    code = (*plist->u.r.read) (iplist, &kref, ploc);
+    if (code != 0)
+	return code;
+    if (type >= 0)
+	iparam_check_type(*ploc, type);
+    return 0;
+}
+
+/* ---------------- Implementations ---------------- */
+
+/* Implementation for putting parameters from an empty collection. */
+private int
+empty_param_read(iparam_list * plist, const ref * pkey, iparam_loc * ploc)
+{
+    return 1;
+}
+
+/* Initialize for reading parameters. */
+private int
+ref_param_read_init(iparam_list * plist, uint count, const ref * ppolicies,
+		    bool require_all)
+{
+    plist->procs = &ref_read_procs;
+    plist->memory = imemory;
+    if (ppolicies == 0)
+	make_null(&plist->u.r.policies);
+    else
+	plist->u.r.policies = *ppolicies;
+    plist->u.r.require_all = require_all;
+    plist->count = count;
+    plist->results =
+	(int *)ialloc_byte_array(count, sizeof(int), "ref_param_read_init");
+
+    if (plist->results == 0)
+	return_error(e_VMerror);
+    memset(plist->results, 0, count * sizeof(int));
+
+    plist->int_keys = false;
+    return 0;
+}
+
+/* Implementation for putting parameters from an indexed array. */
+private int
+array_indexed_param_read(iparam_list * plist, const ref * pkey, iparam_loc * ploc)
+{
+    ref *const arr = &((dict_param_list *) plist)->dict;
+
+    check_type(*pkey, t_integer);
+    if (pkey->value.intval < 0 || pkey->value.intval >= r_size(arr))
+	return 1;
+    ploc->pvalue = arr->value.refs + pkey->value.intval;
+    ploc->presult = &plist->results[pkey->value.intval];
+    *ploc->presult = 1;
+    return 0;
+}
+int
+array_indexed_param_list_read(dict_param_list * plist, const ref * parray,
+			      const ref * ppolicies, bool require_all)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    int code;
+
+    check_read_type(*parray, t_array);
+    plist->u.r.read = array_indexed_param_read;
+    plist->dict = *parray;
+    code = ref_param_read_init(iplist, r_size(parray), ppolicies,
+			       require_all);
+    plist->int_keys = true;
+    return code;
+}
+
+/* Implementation for putting parameters from an array. */
+private int
+array_param_read(iparam_list * plist, const ref * pkey, iparam_loc * ploc)
+{
+    ref *bot = ((array_param_list *) plist)->bot;
+    ref *ptr = bot;
+    ref *top = ((array_param_list *) plist)->top;
+
+    for (; ptr < top; ptr += 2) {
+	if (r_has_type(ptr, t_name) && name_eq(ptr, pkey)) {
+	    ploc->pvalue = ptr + 1;
+	    ploc->presult = &plist->results[ptr - bot];
+	    *ploc->presult = 1;
+	    return 0;
+	}
+    }
+    return 1;
+}
+
+/* Implementation for enumerating parameters in an array */
+private int			/* ret 0 ok, 1 if EOF, or -ve err */
+array_param_enumerate(iparam_list * plist, gs_param_enumerator_t * penum,
+		      gs_param_key_t * key, ref_type * type)
+{
+    int index = penum->intval;
+    ref *bot = ((array_param_list *) plist)->bot;
+    ref *ptr = bot + index;
+    ref *top = ((array_param_list *) plist)->top;
+
+    for (; ptr < top; ptr += 2) {
+	index += 2;
+
+	if (r_has_type(ptr, t_name)) {
+	    int code = ref_to_key(ptr, key);
+
+	    *type = r_type(ptr);
+	    penum->intval = index;
+	    return code;
+	}
+    }
+    return 1;
+}
+
+int
+array_param_list_read(array_param_list * plist, ref * bot, uint count,
+		      const ref * ppolicies, bool require_all)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+
+    if (count & 1)
+	return_error(e_rangecheck);
+    plist->u.r.read = array_param_read;
+    plist->enumerate = array_param_enumerate;
+    plist->bot = bot;
+    plist->top = bot + count;
+    return ref_param_read_init(iplist, count, ppolicies, require_all);
+}
+
+/* Implementation for putting parameters from a stack. */
+private int
+stack_param_read(iparam_list * plist, const ref * pkey, iparam_loc * ploc)
+{
+    stack_param_list *const splist = (stack_param_list *) plist;
+    ref_stack *pstack = splist->pstack;
+
+    /* This implementation is slow, but it probably doesn't matter. */
+    uint index = splist->skip + 1;
+    uint count = splist->count;
+
+    for (; count; count--, index += 2) {
+	const ref *p = ref_stack_index(pstack, index);
+
+	if (r_has_type(p, t_name) && name_eq(p, pkey)) {
+	    ploc->pvalue = ref_stack_index(pstack, index - 1);
+	    ploc->presult = &plist->results[count - 1];
+	    *ploc->presult = 1;
+	    return 0;
+	}
+    }
+    return 1;
+}
+int
+stack_param_list_read(stack_param_list * plist, ref_stack * pstack, uint skip,
+		      const ref * ppolicies, bool require_all)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    uint count = ref_stack_counttomark(pstack);
+
+    if (count == 0)
+	return_error(e_unmatchedmark);
+    count -= skip + 1;
+    if (count & 1)
+	return_error(e_rangecheck);
+    plist->u.r.read = stack_param_read;
+    plist->enumerate = stack_param_enumerate;
+    plist->pstack = pstack;
+    plist->skip = skip;
+    return ref_param_read_init(iplist, count >> 1, ppolicies, require_all);
+}
+
+/* Implementation for putting parameters from a dictionary. */
+private int
+dict_param_read(iparam_list * plist, const ref * pkey, iparam_loc * ploc)
+{
+    ref const *spdict = &((dict_param_list *) plist)->dict;
+    int code = dict_find(spdict, pkey, &ploc->pvalue);
+
+    if (code != 1)
+	return 1;
+    ploc->presult =
+	&plist->results[dict_value_index(spdict, ploc->pvalue)];
+    *ploc->presult = 1;
+    return 0;
+}
+int
+dict_param_list_read(dict_param_list * plist, const ref * pdict,
+		     const ref * ppolicies, bool require_all)
+{
+    iparam_list *const iplist = (iparam_list *) plist;
+    uint count;
+
+    if (pdict == 0) {
+	plist->u.r.read = empty_param_read;
+	count = 0;
+    } else {
+	check_dict_read(*pdict);
+	plist->u.r.read = dict_param_read;
+	plist->dict = *pdict;
+	count = dict_max_index(pdict) + 1;
+    }
+    plist->enumerate = dict_param_enumerate;
+    return ref_param_read_init(iplist, count, ppolicies, require_all);
+}
diff --git a/pstoraster/iparam.h b/pstoraster/iparam.h
new file mode 100644
index 000000000..bec2b4160
--- /dev/null
+++ b/pstoraster/iparam.h
@@ -0,0 +1,118 @@
+/* Copyright (C) 1993, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires ialloc.h, istack.h */
+
+#ifndef iparam_INCLUDED
+#  define iparam_INCLUDED
+
+#include "gsparam.h"
+
+/*
+ * This file defines the interface to iparam.c, which provides
+ * several implementations of the parameter dictionary interface
+ * defined in gsparam.h:
+ *      - an implementation using dictionary objects;
+ *      - an implementation using name/value pairs in an array;
+ *      - an implementation using name/value pairs on a stack.
+ *
+ * When reading ('putting'), these implementations keep track of
+ * which parameters have been referenced and which have caused errors.
+ * The results array contains 0 for a parameter that has not been accessed,
+ * 1 for a parameter accessed without error, or <0 for an error.
+ */
+
+typedef struct iparam_loc_s {
+    ref *pvalue;		/* (actually const) */
+    int *presult;
+} iparam_loc;
+
+#define iparam_list_common\
+	gs_param_list_common;\
+	union {\
+	  struct {		/* reading */\
+	    int (*read)(P3(iparam_list *, const ref *, iparam_loc *));\
+	    ref policies;	/* policy dictionary or null */\
+	    bool require_all;	/* if true, require all params to be known */\
+	  } r;\
+	  struct {		/* writing */\
+	    int (*write)(P3(iparam_list *, const ref *, const ref *));\
+	    ref wanted;		/* desired keys or null */\
+	  } w;\
+	} u;\
+	int (*enumerate)(P4(iparam_list *, gs_param_enumerator_t *, gs_param_key_t *, ref_type *));\
+	int *results;		/* (only used when reading, 0 when writing) */\
+	uint count;		/* # of key/value pairs */\
+	bool int_keys		/* if true, keys are integers */
+typedef struct iparam_list_s iparam_list;
+struct iparam_list_s {
+    iparam_list_common;
+};
+
+typedef struct dict_param_list_s {
+    iparam_list_common;
+    ref dict;			/* dictionary or array */
+} dict_param_list;
+typedef struct array_param_list_s {
+    iparam_list_common;
+    ref *bot;
+    ref *top;
+} array_param_list;
+
+/* For stack lists, the bottom of the list is just above a mark. */
+typedef struct stack_param_list_s {
+    iparam_list_common;
+    ref_stack *pstack;
+    uint skip;			/* # of top items to skip (reading only) */
+} stack_param_list;
+
+/* Procedural interface */
+/*
+ * For dict_param_list_read (only), the second parameter may be NULL,
+ * equivalent to an empty dictionary.
+ * The 3rd (const ref *) parameter is the policies dictionary when reading,
+ * or the key selection dictionary when writing; it may be NULL in either case.
+ * If the bool parameter is true, if there are any unqueried parameters,
+ * the commit procedure will return an e_undefined error.
+ */
+int dict_param_list_read(P4(dict_param_list *, const ref * /*t_dictionary */ ,
+			    const ref *, bool));
+int dict_param_list_write(P3(dict_param_list *, ref * /*t_dictionary */ ,
+			     const ref *));
+int array_indexed_param_list_read(P4(dict_param_list *, const ref * /*t_*array */ ,
+				     const ref *, bool));
+int array_indexed_param_list_write(P3(dict_param_list *, ref * /*t_*array */ ,
+				      const ref *));
+int array_param_list_read(P5(array_param_list *, ref *, uint,
+			     const ref *, bool));
+int stack_param_list_read(P5(stack_param_list *, ref_stack *, uint,
+			     const ref *, bool));
+int stack_param_list_write(P3(stack_param_list *, ref_stack *,
+			      const ref *));
+
+#define iparam_list_release(plist)\
+  ifree_object((plist)->results, "iparam_list_release")
+
+#endif /* iparam_INCLUDED */
diff --git a/pstoraster/iparray.h b/pstoraster/iparray.h
new file mode 100644
index 000000000..ce86b5f0e
--- /dev/null
+++ b/pstoraster/iparray.h
@@ -0,0 +1,42 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Packed array constructor for Ghostscript */
+
+#ifndef iparray_INCLUDED
+#  define iparray_INCLUDED
+
+/*
+ * The only reason to put this in a separate header is that it requires
+ * both ipacked.h and istack.h; putting it in either one would make it
+ * depend on the other one.  There must be a better way....
+ */
+
+/* Procedures implemented in zpacked.c */
+
+/* Make a packed array from the top N elements of a stack. */
+int make_packed_array(P4(ref *, ref_stack *, uint, client_name_t));
+
+#endif /* iparray_INCLUDED */
diff --git a/pstoraster/ireclaim.c b/pstoraster/ireclaim.c
new file mode 100644
index 000000000..eb2433132
--- /dev/null
+++ b/pstoraster/ireclaim.c
@@ -0,0 +1,163 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter's interface to garbage collector */
+#include "ghost.h"
+#include "errors.h"
+#include "gsstruct.h"
+#include "iastate.h"
+#include "icontext.h"
+#include "interp.h"
+#include "isave.h"		/* for isstate.h */
+#include "isstate.h"		/* for mem->saved->state */
+#include "dstack.h"		/* for dsbot, dsp, dict_set_top */
+#include "estack.h"		/* for esbot, esp */
+#include "ostack.h"		/* for osbot, osp */
+#include "opdef.h"		/* for defining init procedure */
+#include "store.h"		/* for make_array */
+
+/* Import preparation and cleanup routines. */
+extern void ialloc_gc_prepare(P1(gs_ref_memory_t *));
+
+/* Forward references */
+private void gs_vmreclaim(P2(gs_dual_memory_t *, bool));
+
+/* Initialize the GC hook in the allocator. */
+private int ireclaim(P2(gs_dual_memory_t *, int));
+private void
+ireclaim_init(void)
+{
+    gs_imemory.reclaim = ireclaim;
+}
+
+/* GC hook called when the allocator returns a VMerror (space = -1), */
+/* or for vmreclaim (space = the space to collect). */
+private int
+ireclaim(gs_dual_memory_t * dmem, int space)
+{
+    bool global;
+    gs_ref_memory_t *mem;
+
+    if (space < 0) {		/* Determine which allocator got the VMerror. */
+	gs_memory_status_t stats;
+	int i;
+
+	mem = dmem->space_global;	/* just in case */
+	for (i = 0; i < countof(dmem->spaces.indexed); ++i) {
+	    mem = dmem->spaces.indexed[i];
+	    if (mem == 0)
+		continue;
+	    if (mem->gc_status.requested > 0)
+		break;
+	}
+	gs_memory_status((gs_memory_t *) mem, &stats);
+	if (stats.allocated >= mem->gc_status.max_vm) {		/* We can't satisfy this request within max_vm. */
+	    return_error(e_VMerror);
+	}
+    } else {
+	mem = dmem->spaces.indexed[space >> r_space_shift];
+    }
+    if_debug3('0', "[0]GC called, space=%d, requestor=%d, requested=%ld\n",
+	      space, mem->space, (long)mem->gc_status.requested);
+    global = mem->space != avm_local;
+    gs_vmreclaim(dmem, global);
+
+    ialloc_set_limit(mem);
+    ialloc_reset_requested(dmem);
+    return 0;
+}
+
+/* Interpreter entry to garbage collector. */
+private void
+gs_vmreclaim(gs_dual_memory_t * dmem, bool global)
+{
+    gs_ref_memory_t *lmem = dmem->space_local;
+    gs_ref_memory_t *gmem = dmem->space_global;
+    gs_ref_memory_t *smem = dmem->space_system;
+    int code = context_state_store(gs_interp_context_state_current);
+
+/****** ABORT IF code < 0 ******/
+    alloc_close_chunk(lmem);
+    if (gmem != lmem)
+	alloc_close_chunk(gmem);
+    alloc_close_chunk(smem);
+
+    /* Prune the file list so it won't retain potentially collectible */
+    /* files. */
+
+    {
+	int i;
+
+	for (i = (global ? i_vm_system : i_vm_local);
+	     i < countof(dmem->spaces.indexed);
+	     ++i
+	    ) {
+	    gs_ref_memory_t *mem = dmem->spaces.indexed[i];
+
+	    if (mem == 0 || (i > 0 && mem == dmem->spaces.indexed[i - 1]))
+		continue;
+	    for (;; mem = &mem->saved->state) {
+		ialloc_gc_prepare(mem);
+		if (mem->saved == 0)
+		    break;
+	    }
+	}
+    }
+
+    /* Do the actual collection. */
+
+    gs_reclaim(&dmem->spaces, global);
+
+    /* Reload the context state. */
+
+    code = context_state_load(gs_interp_context_state_current);
+/****** ABORT IF code < 0 ******/
+
+    /* Update the cached value pointers in names. */
+
+    dicts_gc_cleanup();
+
+    /* Reopen the active chunks. */
+
+    alloc_open_chunk(smem);
+    if (gmem != lmem)
+	alloc_open_chunk(gmem);
+    alloc_open_chunk(lmem);
+
+    /* Update caches not handled by context_state_load. */
+
+    {
+	uint dcount = ref_stack_count(&d_stack);
+
+	*systemdict = *ref_stack_index(&d_stack, dcount - 1);
+    }
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def ireclaim_l2_op_defs[] =
+{
+    op_def_end(ireclaim_init)
+};
diff --git a/pstoraster/iref.h b/pstoraster/iref.h
new file mode 100644
index 000000000..ce4abf37c
--- /dev/null
+++ b/pstoraster/iref.h
@@ -0,0 +1,431 @@
+/* Copyright (C) 1989, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Object structure and type definitions for Ghostscript */
+
+#ifndef iref_INCLUDED
+#  define iref_INCLUDED
+
+/* The typedef for object references */
+typedef struct ref_s ref;
+
+/* The typedef for packed object references.  This is opaque here: */
+/* the details are in packed.h. */
+typedef ushort ref_packed;
+
+#define log2_sizeof_ref_packed arch_log2_sizeof_short
+#define sizeof_ref_packed (1 << log2_sizeof_ref_packed)
+
+/*
+ * Define the object types.
+ * The types marked with @ are composite and hence use the a_space field;
+ * objects of all other types must have a_space cleared.
+ * The types marked with ! behave differently in the interpreter
+ * depending on whether they are executable or literal.
+ * The types marked with + use the read/write/execute
+ * attributes; the rest only use the executable attribute.
+ * The types marked with # use the size field.
+ */
+typedef enum {
+
+/*
+ * Type 0 must be left unassigned, so that the type (and type_attrs)
+ * of a valid ref will never be zero.  This speeds up simultaneous
+ * type/space checking in def (see dstack.h for details) and a similar
+ * check in ref_save (see store.h for details).  We may as well use
+ * type 0 for t__invalid, which will never appear in a real ref.
+ *
+ * The "invalid" type is only used in a few special places: the guard
+ * entries at the bottom of the o-stack that detect stack underflow,
+ * and (eventually) the ref that the cached value pointer in names points to
+ * if the binding isn't known.  It never appears on a stack or in a
+ * program-visible data structure.
+ */
+
+    t__invalid,			/*      (no value) */
+    t_boolean,			/*      value.boolval */
+    t_dictionary,		/* @ +  value.pdict */
+    t_file,			/* @!+# value.pfile, uses size for id */
+
+/*
+ * The 4 array types must be kept together, and must start at
+ * a multiple of 4, for the sake of r_is_array and r_is_proc (see below).
+ */
+
+#define _t_array_span 4
+    t_array,			/* @!+# value.refs */
+    /* The following are the two implementations of */
+    /* packed arrays. */
+    t_mixedarray,		/* @!+# value.packed */
+    t_shortarray,		/* @!+# value.packed */
+    t_unused_array_,		/*      (an unused array type) */
+
+/*
+ * t_[a]struct is an "umbrella" for other types that are represented by
+ * allocated objects (structures).  Objects of these types are composite
+ * and hence use the a_local attribute.  The type name is taken from
+ * the allocator template for the structure.  t_astruct objects use the
+ * access attributes; t_struct objects do not.  Neither t_struct nor
+ * t_astruct objects use the size.
+ *
+ * t_struct is currently used for the following PostScript types:
+ *      condition, lock.
+ * We could use it for fontIDs, except that they may have subclasses.
+ * Eventually it will also be used for the new 'device' type.
+ * t_astruct is currently used for the following PostScript types:
+ *      gstate.
+ *
+ * The 2 structure types must be kept together, and must start at
+ * a multiple of 2, for the sake of r_has_stype (see below).
+ */
+
+#define _t_struct_span 2
+    t_struct,			/* @    value.pstruct */
+    t_astruct,			/* @ +  value.pstruct */
+
+/*
+ * We now continue with individual types.
+ */
+    t_fontID,			/* @    value.pstruct */
+    t_integer,			/*      value.intval */
+    t_mark,			/*        (no value) */
+/*
+ * Name objects use the a_space field because they really are composite
+ * objects internally.
+ */
+    t_name,			/* @! # value.pname, uses size for index */
+    t_null,			/*  ! # (value.opproc, uses size for mark */
+    /*        type, on e-stack only) */
+/*
+ * Operator objects use the a_space field because they may actually be
+ * disguised procedures.  (Real operators always have a_space = 0.)
+ */
+    t_operator,			/* @! # value.opproc, uses size for index */
+    t_real,			/*      value.realval */
+    t_save,			/*      value.saveid, see isave.h for why */
+    /*        this isn't a t_struct */
+    t_string,			/* @!+# value.bytes */
+/*
+ * The following are extensions to the PostScript type set.
+ * When adding new types, be sure to edit:
+ *      - type_name_strings, type_print_strings, and type_properties below;
+ *      - the table in gs_init.ps (==only operator);
+ *      - the printing routine in idebug.c;
+ *      - the dispatches in igc.c, igcref.c, and interp.c;
+ *      - obj_eq in iutil.c;
+ *      - restore_check_stack in zvmem.c.
+ */
+    t_device,			/* @ +   value.pdevice */
+    t_oparray,			/* @! #  value.const_refs, uses size */
+    /*         for index */
+    t_next_index
+/*** first available index ***/
+} ref_type;
+
+/*
+ * The interpreter uses types starting at t_next_index for representing
+ * a few high-frequency operators.
+ * Since there are no operations specifically on operators,
+ * there is no need for any operators to check specifically for these
+ * types.  The r_btype macro takes care of the conversion when required.
+ */
+						/*extern const int tx_next_index; *//* in interp.c */
+/*
+ * Define a table giving properties of types, similar to the table used
+ * by the isxxx functions (macros) in <ctype.h>.
+ */
+#define _rtype_uses_access 1	/* type uses w/r/x attributes */
+#define _rtype_uses_size 2
+#define _rtype_is_null 4
+#define _rtype_is_dictionary 8
+extern const byte ref_type_properties[1 << 6];	/* r_type_bits */
+
+#define ref_type_properties_data\
+  0,				/* t__invalid */\
+  0,				/* t_boolean */\
+  _rtype_uses_access | _rtype_is_dictionary, /* t_dictionary */\
+  _rtype_uses_access | _rtype_uses_size, /* t_file */\
+  _rtype_uses_access | _rtype_uses_size, /* t_array */\
+  _rtype_uses_access | _rtype_uses_size, /* t_mixedarray */\
+  _rtype_uses_access | _rtype_uses_size, /* t_shortarray */\
+  _rtype_uses_access | _rtype_uses_size, /* (unused array type) */\
+  0,				/* t_struct */\
+  _rtype_uses_access,		/* t_astruct */\
+  0,				/* t_fontID */\
+  0,				/* t_integer */\
+  0,				/* t_mark */\
+  _rtype_uses_size,		/* t_name */\
+  _rtype_is_null,		/* t_null, uses size only on e-stack */\
+  _rtype_uses_size,		/* t_operator */\
+  0,				/* t_real */\
+  0,				/* t_save */\
+  _rtype_uses_access | _rtype_uses_size, /* t_string */\
+  _rtype_uses_access,		/* t_device */\
+  _rtype_uses_size,		/* t_oparray */\
+    /*\
+     * The remaining types are the extended pseudo-types used by the\
+     * interpreter for operators.  We need to fill up the table.\
+     */\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*24*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*28*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*32*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*36*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*40*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*44*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*48*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*52*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*56*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size, /*60*/\
+  _rtype_uses_size,_rtype_uses_size,_rtype_uses_size,_rtype_uses_size	/*64 */
+#define _rtype_has(rtype,props)\
+  ((ref_type_properties[rtype] & (props)) != 0)
+#define ref_type_uses_access(rtype)\
+ _rtype_has(rtype, _rtype_uses_access)
+#define ref_type_uses_size(rtype)\
+ _rtype_has(rtype, _rtype_uses_size)
+#define ref_type_uses_size_or_null(rtype)\
+ _rtype_has(rtype, _rtype_uses_size | _rtype_is_null)
+/*
+ * Define the type names for debugging printout.
+ * All names must be the same length, so that columns will line up.
+ */
+#define type_print_strings\
+  "INVL","bool","dict","file",\
+  "arry","mpry","spry","u?ry",\
+  "STRC","ASTR",\
+  "font","int ","mark","name","null",\
+  "oper","real","save","str ",\
+  "devc","opry"
+/*
+ * Define the type names for the type operator.
+ */
+#define type_name_strings\
+  0,"booleantype","dicttype","filetype",\
+  "arraytype","packedarraytype","packedarraytype","arraytype",\
+  0,0,\
+  "fonttype","integertype","marktype","nametype","nulltype",\
+  "operatortype","realtype","savetype","stringtype",\
+  "devicetype","operatortype"
+
+/*
+ * The following factors affect the encoding of attributes:
+ *
+ *      - The packed array format requires the high-order bits of the
+ *        type/attributes field to be 0.  (see packed.h)
+ *
+ *      - The interpreter wants the type, executable bit, and execute
+ *        permission to be adjacent, and in that order from high to low.
+ *
+ *      - Type testing is most efficient if the type is in a byte by itself.
+ *
+ * The layout given below results in the most efficient code overall.
+ */
+
+/* Location attributes. */
+/* Note that these are associated with the *location*, not with the */
+/* ref that is *stored* in that location. */
+#define l_mark 1		/* mark for garbage collector */
+#define l_new 2			/* stored into since last save */
+/* Attributes visible at the PostScript language level. */
+/* Reserve bits for VM space information (defined in ivmspace.h). */
+#define r_space_bits 2
+#define r_space_shift 2
+#define a_write 0x10
+#define a_read 0x20
+#define a_execute 0x40
+#define a_executable 0x80
+#define a_readonly (a_read+a_execute)
+#define a_all (a_write+a_read+a_execute)
+#define r_type_shift 8
+#define r_type_bits 6
+
+/* Define the attribute names for debugging printout. */
+/* Each entry has the form <mask, value, character>. */
+typedef struct attr_print_mask_s {
+    ushort mask;
+    ushort value;
+    char print;
+} attr_print_mask;
+
+#define attr_print_flag(m,c)\
+  {m,m,c},{m,0,'-'}
+#define attr_print_space(v,c)\
+  {((1<<r_space_bits)-1)<<r_space_shift,v,c}
+#define attr_print_masks\
+  attr_print_flag(l_mark,'m'),\
+  attr_print_flag(l_new,'n'),\
+  attr_print_space(avm_foreign,'F'),\
+  attr_print_space(avm_system,'S'),\
+  attr_print_space(avm_global,'G'),\
+  attr_print_space(avm_local,'L'),\
+  attr_print_flag(a_write,'w'),\
+  attr_print_flag(a_read,'r'),\
+  attr_print_flag(a_execute,'x'),\
+  attr_print_flag(a_executable,'e'),\
+  attr_print_flag(0x4000,'?'),\
+  attr_print_flag(0x8000,'?')
+
+/* Abstract types */
+typedef struct dict_s dict;
+typedef struct name_s name;
+
+#ifndef stream_DEFINED
+#  define stream_DEFINED
+typedef struct stream_s stream;
+
+#endif
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+
+#endif
+#ifndef obj_header_DEFINED
+#  define obj_header_DEFINED
+typedef struct obj_header_s obj_header_t;
+
+#endif
+/* We duplicate the definition of os_ptr (a.k.a. s_ptr) here */
+/* so that we can have an accurate typedef for op_proc */
+/* without having to drag in istack.h and ostack.h. */
+typedef int (*op_proc_p) (P1(ref *));
+
+/* real_opproc is a holdover.... */
+#define real_opproc(pref) ((pref)->value.opproc)
+
+/* Object reference */
+/*
+ * Note that because of the way packed arrays are represented,
+ * the type_attrs member must be the first one in the ref structure.
+ */
+struct tas_s {
+    ushort type_attrs;
+    ushort rsize;
+};
+struct ref_s {
+
+    struct tas_s tas;
+
+#define r_size(rp) ((rp)->tas.rsize)
+#define r_inc_size(rp,inc) ((rp)->tas.rsize += (inc))
+#define r_dec_size(rp,dec) ((rp)->tas.rsize -= (dec))
+#define r_set_size(rp,siz) ((rp)->tas.rsize = (siz))
+/* type_attrs is a single element for fast dispatching in the interpreter */
+#if r_type_shift == 8
+#  if arch_is_big_endian
+#    define r_type(rp) (((const byte *)&((rp)->tas.type_attrs))[sizeof(ushort)-2])
+#  else
+#    define r_type(rp) (((const byte *)&((rp)->tas.type_attrs))[1])
+#  endif
+#  define r_has_type(rp,typ) (r_type(rp) == (typ))
+#else
+#  define r_type(rp) ((rp)->tas.type_attrs >> r_type_shift)
+#  define r_has_type(rp,typ) r_has_type_attrs(rp,typ,0)		/* see below */
+#endif
+/* A special macro for testing arrayhood. */
+#define r_is_array(rp) _r_has_masked_type_attrs(rp,t_array,_t_array_span,0)
+#define r_set_type(rp,typ) ((rp)->tas.type_attrs = (typ) << r_type_shift)
+#define r_btype(rp)\
+ ((rp)->tas.type_attrs >= (t_next_index << r_type_shift) ?\
+  t_operator : r_type(rp))
+#define r_type_xe_shift (r_type_shift - 2)
+#define type_xe_(tas) ((tas) >> r_type_xe_shift)	/* internal use only */
+/* The r_type_xe macro is used in (and only in) the main interpreter loop,
+ * where its rp operand may be a ref_packed, not necessarily aligned as
+ * strictly as a full-size ref.  */
+#define r_type_xe(rp)\
+  type_xe_(PACKED(rp)[offset_of(ref, tas.type_attrs) / sizeof(ushort)])
+#define type_xe_value(t,xe) type_xe_(((t) << r_type_shift) + (xe))
+#define r_type_attrs(rp) ((rp)->tas.type_attrs)		/* reading only */
+#define r_has_attrs(rp,mask) !(~r_type_attrs(rp) & (mask))
+#define r_has_masked_attrs(rp,attrs,mask)\
+  ((r_type_attrs(rp) & (mask)) == (attrs))
+#define r_has_attr(rp,mask1)		/* optimize 1-bit case */\
+   (r_type_attrs(rp) & (mask1))
+/* The following macro is not for external use. */
+#define _r_has_masked_type_attrs(rp,typ,tspan,mask)\
+ (((rp)->tas.type_attrs &\
+   ((((1 << r_type_bits) - (tspan)) << r_type_shift) + (mask))) ==\
+  (((typ) << r_type_shift) + (mask)))
+#define r_has_type_attrs(rp,typ,mask)\
+  _r_has_masked_type_attrs(rp,typ,1,mask)
+/* A special macro for testing procedurehood. */
+#define r_is_proc(rp)\
+  _r_has_masked_type_attrs(rp,t_array,_t_array_span,a_execute+a_executable)
+#define r_set_attrs(rp,mask) ((rp)->tas.type_attrs |= (mask))
+#define r_clear_attrs(rp,mask) ((rp)->tas.type_attrs &= ~(mask))
+#define r_store_attrs(rp,mask,attrs)\
+  ((rp)->tas.type_attrs = ((rp)->tas.type_attrs & ~(mask)) | (attrs))
+#define r_copy_attrs(rp,mask,sp)\
+  r_store_attrs(rp,mask,(sp)->tas.type_attrs & (mask))
+#define r_set_type_attrs(rp,typ,mask)\
+  ((rp)->tas.type_attrs = ((typ) << r_type_shift) + (mask))
+/* Macros for t_[a]struct objects. */
+#define r_is_struct(rp) _r_has_masked_type_attrs(rp,t_struct,_t_struct_span,0)
+#define r_has_stype(rp,mem,styp)\
+  (r_is_struct(rp) && gs_object_type(mem, (rp)->value.pstruct) == &styp)
+#define r_ptr(rp,typ) ((typ *)((rp)->value.pstruct))
+#define r_set_ptr(rp,ptr) ((rp)->value.pstruct = (obj_header_t *)(ptr))
+
+    union v {			/* name the union to keep gdb happy */
+	long intval;
+	ushort boolval;
+	float realval;
+	ulong saveid;
+	byte *bytes;
+	const byte *const_bytes;
+	ref *refs;
+	const ref *const_refs;
+	name *pname;
+	const name *const_pname;
+	dict *pdict;
+	const dict *const_pdict;
+	const ref_packed *packed;
+	op_proc_p opproc;
+	struct stream_s *pfile;
+	struct gx_device_s *pdevice;
+	obj_header_t *pstruct;
+    } value;
+};
+
+/* Define data for initializing an empty array or string. */
+#define empty_ref_data(type, attrs)\
+  { /*tas*/ { /*type_attrs*/ ((type) << r_type_shift) | (attrs),\
+	      /*rsize*/ 0 } }
+
+/* Define the size of a ref. */
+#define arch_sizeof_ref sizeof(ref)
+/* Define the required alignment for refs. */
+/* We assume all alignment values are powers of 2. */
+#define arch_align_ref_mod\
+ (((arch_align_long_mod - 1) | (arch_align_float_mod - 1) |\
+   (arch_align_ptr_mod - 1)) + 1)
+
+/* Define the maximum size of an array or a string. */
+/* The maximum array size is determined by the fact that */
+/* the allocator cannot allocate a block larger than max_uint. */
+#define max_array_size (max_ushort & (max_uint / (uint)arch_sizeof_ref))
+#define max_string_size max_ushort
+
+#endif /* iref_INCLUDED */
diff --git a/pstoraster/isave.c b/pstoraster/isave.c
new file mode 100644
index 000000000..d8e352912
--- /dev/null
+++ b/pstoraster/isave.c
@@ -0,0 +1,1070 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Save/restore manager for Ghostscript interpreter */
+#include "ghost.h"
+#include "memory_.h"
+#include "errors.h"
+#include "gsexit.h"
+#include "gsstruct.h"
+#include "stream.h"		/* for linking for forgetsave */
+#include "iastate.h"
+#include "inamedef.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "isave.h"
+#include "isstate.h"
+#include "store.h"		/* for ref_assign */
+#include "ivmspace.h"
+#include "gsutil.h"		/* gs_next_ids prototype */
+
+/* Imported save/restore routines */
+extern void font_restore(P1(const alloc_save_t *));
+
+/* Structure descriptor */
+private_st_alloc_save();
+
+/* Define the maximum amount of data we are willing to scan repeatedly -- */
+/* see below for details. */
+private const long max_repeated_scan = 100000;
+
+/* Some compilers try to substitute macro args in string literals! */
+#define print_save(str, spacen, sav)\
+  if_debug5('u', "[u]%s space %u 0x%lx: cdata = 0x%lx, id = %lu\n",\
+    str, spacen, (ulong)(sav), (ulong)(sav)->client_data, (ulong)(sav)->id);
+
+/*
+ * The logic for saving and restoring the state is complex.
+ * Both the changes to individual objects, and the overall state
+ * of the memory manager, must be saved and restored.
+ */
+
+/*
+ * To save the state of the memory manager:
+ *      Save the state of the current chunk in which we are allocating.
+ *      Shrink the current chunk to its inner unallocated region.
+ *      Save and reset the free block chains.
+ * By doing this, we guarantee that no object older than the save
+ * can be freed.
+ *
+ * To restore the state of the memory manager:
+ *      Free all chunks newer than the save, and the descriptor for
+ *        the inner chunk created by the save.
+ *      Make current the chunk that was current at the time of the save.
+ *      Restore the state of the current chunk.
+ *
+ * In addition to save ("start transaction") and restore ("abort transaction"),
+ * we support forgetting a save ("commit transation").  To forget a save:
+ *      Reassign to the next outer save all chunks newer than the save.
+ *      Free the descriptor for the inner chunk, updating its outer chunk
+ *        to reflect additional allocations in the inner chunk.
+ *      Concatenate the free block chains with those of the outer save.
+ */
+
+/*
+ * For saving changes to individual objects, we add an "attribute" bit
+ * (l_new) that logically belongs to the slot where the ref is stored,
+ * not to the ref itself.  The bit means "the contents of this slot
+ * have been changed, or the slot was allocated, since the last save."
+ * To keep track of changes since the save, we associate a chain of
+ * <slot, old_contents> pairs that remembers the old contents of slots.
+ *
+ * When creating an object, if the save level is non-zero:
+ *      Set l_new in all slots.
+ *
+ * When storing into a slot, if the save level is non-zero:
+ *      If l_new isn't set, save the address and contents of the slot
+ *        on the current contents chain.
+ *      Set l_new after storing the new value.
+ *
+ * To do a save:
+ *      If the save level is non-zero:
+ *              Reset l_new in all slots on the contents chain, and in all
+ *                objects created since the previous save.
+ *      Push the head of the contents chain, and reset the chain to empty.
+ *
+ * To do a restore:
+ *      Check all the stacks to make sure they don't contain references
+ *        to objects created since the save.
+ *      Restore all the slots on the contents chain.
+ *      Pop the contents chain head.
+ *      If the save level is now non-zero:
+ *              Scan the newly restored contents chain, and set l_new in all
+ *                the slots it references.
+ *              Scan all objects created since the previous save, and set
+ *                l_new in all the slots of each object.
+ *
+ * To forget a save:
+ *      If the save level is greater than 1:
+ *              Set l_new as for a restore, per the next outer save.
+ *              Concatenate the next outer contents chain to the end of
+ *                the current one.
+ *      If the save level is 1:
+ *              Reset l_new as for a save.
+ *              Free the contents chain.
+ */
+
+/*
+ * A consequence of the foregoing algorithms is that the cost of a save
+ * is proportional to the total amount of data allocated since the previous
+ * save.  If a PostScript program reads in a large amount of setup code
+ * and then uses save/restore heavily, each save/restore will be expensive.
+ * To mitigate this, we check to see how much data we are scanning at a save;
+ * if it is large, we do a second, invisible save.  This greatly reduces
+ * the cost of inner saves, at the expense of possibly saving some changes
+ * twice that otherwise would only have to be saved once.
+ */
+
+/*
+ * The presence of global and local VM complicates the situation further.
+ * There is a separate save chain and contents chain for each VM space.
+ * When multiple contexts are fully implemented, save and restore will have
+ * the following effects, according to the privacy status of the current
+ * context's global and local VM:
+ *      Private global, private local:
+ *              The outermost save saves both global and local VM;
+ *                otherwise, save only saves local VM.
+ *      Shared global, private local:
+ *              Save only saves local VM.
+ *      Shared global, shared local:
+ *              Save only saves local VM, and suspends all other contexts
+ *                sharing the same local VM until the matching restore.
+ * Since we do not currently implement multiple contexts, only the first
+ * case is relevant.
+ *
+ * Note that when saving the contents of a slot, the choice of chain
+ * is determined by the VM space in which the slot is allocated,
+ * not by the current allocation mode.
+ */
+
+/*
+ * Structure for saved change chain for save/restore.  Because of the
+ * garbage collector, we need to distinguish the cases where the change
+ * is in a static object, a dynamic ref, or a dynamic struct.
+ */
+typedef struct alloc_change_s alloc_change_t;
+struct alloc_change_s {
+    alloc_change_t *next;
+    ref_packed *where;
+    ref contents;
+#define ac_offset_static (-2)	/* static object */
+#define ac_offset_ref (-1)	/* dynamic ref */
+    short offset;		/* if >= 0, offset within struct */
+};
+
+#define ptr ((alloc_change_t *)vptr)
+private 
+CLEAR_MARKS_PROC(change_clear_marks)
+{
+    if (r_is_packed(&ptr->contents))
+	r_clear_pmark((ref_packed *) & ptr->contents);
+    else
+	r_clear_attrs(&ptr->contents, l_mark);
+}
+private 
+ENUM_PTRS_BEGIN(change_enum_ptrs) return 0;
+
+ENUM_PTR(0, alloc_change_t, next);
+case 1:
+if (ptr->offset >= 0)
+    ENUM_RETURN((byte *) ptr->where - ptr->offset);
+else
+    ENUM_RETURN_REF(ptr->where);
+case 2:
+ENUM_RETURN_REF(&ptr->contents);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(change_reloc_ptrs)
+{
+    RELOC_VAR(ptr->next);
+    switch (ptr->offset) {
+	case ac_offset_static:
+	    break;
+	case ac_offset_ref:
+	    RELOC_REF_PTR_VAR(ptr->where);
+	    break;
+	default:
+	    {
+		byte *obj = (byte *) ptr->where - ptr->offset;
+
+		RELOC_VAR(obj);
+		ptr->where = (ref_packed *) (obj + ptr->offset);
+	    }
+	    break;
+    }
+    if (r_is_packed(&ptr->contents))
+	r_clear_pmark((ref_packed *) & ptr->contents);
+    else {
+	RELOC_REF_VAR(ptr->contents);
+	r_clear_attrs(&ptr->contents, l_mark);
+    }
+}
+RELOC_PTRS_END
+#undef ptr
+gs_private_st_complex_only(st_alloc_change, alloc_change_t, "alloc_change",
+		change_clear_marks, change_enum_ptrs, change_reloc_ptrs, 0);
+
+/* Debugging printout */
+#ifdef DEBUG
+private void
+alloc_save_print(alloc_change_t * cp, bool print_current)
+{
+    dprintf2(" 0x%lx: 0x%lx: ", (ulong) cp, (ulong) cp->where);
+    if (r_is_packed(&cp->contents)) {
+	if (print_current)
+	    dprintf2("saved=%x cur=%x\n", *(ref_packed *) & cp->contents,
+		     *cp->where);
+	else
+	    dprintf1("%x\n", *(ref_packed *) & cp->contents);
+    } else {
+	if (print_current)
+	    dprintf6("saved=%x %x %lx cur=%x %x %lx\n",
+		     r_type_attrs(&cp->contents), r_size(&cp->contents),
+		     (ulong) cp->contents.value.intval,
+		     r_type_attrs((ref *) cp->where),
+		     r_size((ref *) cp->where),
+		     (ulong) ((ref *) cp->where)->value.intval);
+	else
+	    dprintf3("%x %x %lx\n",
+		     r_type_attrs(&cp->contents), r_size(&cp->contents),
+		     (ulong) cp->contents.value.intval);
+    }
+}
+#endif
+
+/* Forward references */
+private void restore_resources(P2(alloc_save_t *, gs_ref_memory_t *));
+private void restore_free(P1(gs_ref_memory_t *));
+private long save_set_new(P2(gs_ref_memory_t *, bool));
+private void save_set_new_changes(P2(gs_ref_memory_t *, bool));
+
+/* Initialize the save/restore machinery. */
+void
+alloc_save_init(gs_dual_memory_t * dmem)
+{
+    dmem->save_level = 0;
+    alloc_set_not_in_save(dmem);
+}
+
+/* Record that we are in a save. */
+void
+alloc_set_in_save(gs_dual_memory_t *dmem)
+{
+    dmem->test_mask = dmem->new_mask = l_new;
+}
+
+/* Record that we are not in a save. */
+void
+alloc_set_not_in_save(gs_dual_memory_t *dmem)
+{
+    dmem->test_mask = ~0;
+    dmem->new_mask = 0;
+}
+
+/* Save the state. */
+private alloc_save_t *alloc_save_space(P2(gs_ref_memory_t *,
+					  gs_dual_memory_t *));
+
+ulong
+alloc_save_state(gs_dual_memory_t * dmem, void *cdata)
+{
+    gs_ref_memory_t *lmem = dmem->space_local;
+    gs_ref_memory_t *gmem = dmem->space_global;
+    ulong sid = gs_next_ids(2);
+
+#define alloc_free_save(mem, s, scn, icn)\
+  { chunk_t *inner = (mem)->pcc;\
+    gs_free_object((gs_memory_t *)(mem), s, scn);\
+    gs_free_object((mem)->parent, inner, icn);\
+  }
+    bool global =
+    dmem->save_level == 0 && gmem != lmem &&
+    gmem->num_contexts == 1;
+    alloc_save_t *gsave =
+    (global ? alloc_save_space(gmem, dmem) : (alloc_save_t *) 0);
+    alloc_save_t *lsave = alloc_save_space(lmem, dmem);
+
+    if (lsave == 0 || (global &&gsave == 0)) {
+	if (lsave != 0)
+	    alloc_free_save(lmem, lsave, "alloc_save_state(local save)",
+			    "alloc_save_state(local inner)");
+	if (gsave != 0)
+	    alloc_free_save(gmem, gsave, "alloc_save_state(global save)",
+			    "alloc_save_state(global inner)");
+	return 0;
+    }
+#undef alloc_free_save
+    if (gsave != 0) {
+	gsave->id = sid + 1;
+	gsave->client_data = 0;
+	print_save("save", gmem->space, gsave);
+	/* Restore names when we do the local restore. */
+	lsave->restore_names = gsave->restore_names;
+	gsave->restore_names = false;
+    }
+    lsave->id = sid;
+    lsave->client_data = cdata;
+    print_save("save", lmem->space, lsave);
+    /* Reset the l_new attribute in all slots.  The only slots that */
+    /* can have the attribute set are the ones on the changes chain, */
+    /* and ones in objects allocated since the last save. */
+    if (dmem->save_level != 0) {
+	long scanned = save_set_new(&lsave->state, false);
+
+	if (scanned > max_repeated_scan) {	/* Do a second, invisible save. */
+	    alloc_save_t *rsave;
+
+	    rsave = alloc_save_space(lmem, dmem);
+	    if (rsave != 0) {
+		rsave->id = sid;
+		rsave->client_data = cdata;
+		print_save("save", lmem->space, rsave);
+		lsave->id = 0;	/* mark as invisible */
+		lsave->client_data = 0;
+		/* Inherit the allocated space count -- */
+		/* we need this for triggering a GC. */
+		rsave->state.inherited =
+		    lsave->state.allocated +
+		    lsave->state.inherited;
+		lmem->inherited = rsave->state.inherited;
+		print_save("save", lmem->space, lsave);
+	    }
+	}
+    }
+    dmem->save_level++;
+    alloc_set_in_save(dmem);
+    return sid;
+}
+/* Save the state of one space (global or local). */
+private alloc_save_t *
+alloc_save_space(gs_ref_memory_t * mem, gs_dual_memory_t * dmem)
+{
+    gs_ref_memory_t save_mem;
+    alloc_save_t *save;
+    chunk_t *inner = 0;
+
+    if (mem->cc.ctop - mem->cc.cbot > sizeof(chunk_head_t)) {
+	inner = gs_raw_alloc_struct_immovable(mem->parent, &st_chunk,
+					      "alloc_save_space(inner)");
+	if (inner == 0)
+	    return 0;
+    }
+    save_mem = *mem;
+    alloc_close_chunk(mem);
+    gs_memory_status((gs_memory_t *) mem, &mem->previous_status);
+    ialloc_reset(mem);
+    mem->cc.cnext = mem->cc.cprev = 0;
+    if (inner != 0) {		/* Create an inner chunk to cover only the unallocated part. */
+	alloc_init_chunk(&mem->cc, mem->cc.cbot, mem->cc.ctop,
+			 true, mem->pcc);
+	*inner = mem->cc;
+	mem->pcc = inner;
+	mem->cfirst = mem->clast = inner;
+    } else {			/* Not enough room to create an inner chunk. */
+	mem->pcc = 0;
+	mem->cfirst = mem->clast = 0;
+	mem->cc.cbot = mem->cc.ctop = 0;
+    }
+    save = gs_alloc_struct((gs_memory_t *) mem, alloc_save_t,
+			   &st_alloc_save, "alloc_save_space(save)");
+#ifdef DEBUG
+    if (inner != 0) {
+	if_debug4('u',
+		  "[u]save space %u at 0x%lx: cbot=0x%lx ctop=0x%lx\n",
+		  mem->space, (ulong) save,
+		  (ulong) inner->cbot, (ulong) inner->ctop);
+    } else {
+	if_debug2('u',
+		  "[u]save space %u at 0x%lx (no inner)\n",
+		  mem->space, (ulong) save);
+    }
+#endif
+    if (save == 0) {
+	gs_free_object(mem->parent, inner, "alloc_save_space(inner)");
+	*mem = save_mem;
+	return 0;
+    }
+    save->state = save_mem;
+    save->dmem = dmem;
+    save->restore_names = (name_memory() == (gs_memory_t *) mem);
+    save->is_current = (dmem->current == mem);
+    mem->saved = save;
+    if_debug2('u', "[u%u]file_save 0x%lx\n",
+	      mem->space, (ulong) mem->streams);
+    mem->streams = 0;
+    return save;
+}
+
+/* Record a state change that must be undone for restore, */
+/* and mark it as having been saved. */
+int
+alloc_save_change(gs_dual_memory_t * dmem, const ref * pcont,
+		  ref_packed * where, client_name_t cname)
+{
+    gs_ref_memory_t *mem;
+    register alloc_change_t *cp;
+
+    if (dmem->save_level == 0)
+	return 0;		/* no saving */
+    mem = (pcont == NULL ? dmem->space_local :
+	   dmem->spaces.indexed[r_space(pcont) >> r_space_shift]);
+    cp = gs_alloc_struct((gs_memory_t *) mem, alloc_change_t,
+			 &st_alloc_change, "alloc_save_change");
+    if (cp == 0)
+	return -1;
+    cp->next = mem->changes;
+    cp->where = where;
+    if (pcont == NULL)
+	cp->offset = ac_offset_static;
+    else if (r_is_array(pcont) || r_has_type(pcont, t_dictionary))
+	cp->offset = ac_offset_ref;
+    else if (r_is_struct(pcont))
+	cp->offset = (byte *) where - (byte *) pcont->value.pstruct;
+    else {
+	lprintf3("Bad type %u for save!  pcont = 0x%lx, where = 0x%lx\n",
+		 r_type(pcont), (ulong) pcont, (ulong) where);
+	gs_abort();
+    }
+    if (r_is_packed(where))
+	*(ref_packed *)(&(cp->contents)) = *where;
+    else {
+/* MRS - the following inline assign didn't work...
+	ref_assign_inline(&cp->contents, (ref *) where);*/
+	ref_assign((&(cp->contents)), (ref *) where);
+	r_set_attrs((ref *) where, l_new);
+    }
+    mem->changes = cp;
+#ifdef DEBUG
+    if (gs_debug_c('U')) {
+	dlprintf1("[u]save(%s)", client_name_string(cname));
+	alloc_save_print(cp, false);
+    }
+#endif
+    return 0;
+}
+
+/* Return the current save level */
+int
+alloc_save_level(const gs_dual_memory_t * dmem)
+{
+    return dmem->save_level;
+}
+
+/* Return (the id of) the innermost externally visible save object, */
+/* i.e., the innermost save with a non-zero ID. */
+ulong
+alloc_save_current_id(const gs_dual_memory_t * dmem)
+{
+    const alloc_save_t *save = dmem->space_local->saved;
+
+    while (save != 0 && save->id == 0)
+	save = save->state.saved;
+    return save->id;
+}
+alloc_save_t *
+alloc_save_current(const gs_dual_memory_t * dmem)
+{
+    return alloc_find_save(dmem, alloc_save_current_id(dmem));
+}
+
+/* Test whether a reference would be invalidated by a restore. */
+bool
+alloc_is_since_save(const void *vptr, const alloc_save_t * save)
+{
+#define ptr ((const char *)vptr)
+
+    /* A reference postdates a save iff it is in a chunk allocated */
+    /* since the save (including the carried-over inner chunk). */
+
+    const gs_dual_memory_t *dmem = save->dmem;
+    register const gs_ref_memory_t *mem = dmem->space_local;
+
+    if_debug2('U', "[U]is_since_save 0x%lx, 0x%lx:\n",
+	      (ulong) ptr, (ulong) save);
+    if (mem->saved == 0) {	/* This is a special case, the final 'restore' from */
+	/* alloc_restore_all. */
+	return true;
+    }
+    /* Check against chunks allocated since the save. */
+    /* (There may have been intermediate saves as well.) */
+    for (;; mem = &mem->saved->state) {
+	const chunk_t *cp;
+
+	if_debug1('U', "[U]checking mem=0x%lx\n", (ulong) mem);
+	for (cp = mem->cfirst; cp != 0; cp = cp->cnext) {
+	    if (ptr_is_within_chunk(ptr, cp)) {
+		if_debug3('U', "[U+]in new chunk 0x%lx: 0x%lx, 0x%lx\n",
+			  (ulong) cp,
+			  (ulong) cp->cbase, (ulong) cp->cend);
+		return true;
+	    }
+	    if_debug1('U', "[U-]not in 0x%lx\n", (ulong) cp);
+	}
+	if (mem->saved == save) {	/* We've checked all the more recent saves, */
+	    /* must be OK. */
+	    break;
+	}
+    }
+
+    /*
+     * If we're about to do a global restore (save level = 1),
+     * and there is only one context using this global VM
+     * (the normal case, in which global VM is saved by the
+     * outermost save), we also have to check the global save.
+     * Global saves can't be nested, which makes things easy.
+     */
+    if (dmem->save_level == 1 &&
+	(mem = dmem->space_global) != dmem->space_local &&
+	dmem->space_global->num_contexts == 1
+	) {
+	const chunk_t *cp;
+
+	if_debug1('U', "[U]checking global mem=0x%lx\n", (ulong) mem);
+	for (cp = mem->cfirst; cp != 0; cp = cp->cnext)
+	    if (ptr_is_within_chunk(ptr, cp)) {
+		if_debug3('U', "[U+]  new chunk 0x%lx: 0x%lx, 0x%lx\n",
+			  (ulong) cp, (ulong) cp->cbase, (ulong) cp->cend);
+		return true;
+	    }
+    }
+    return false;
+
+#undef ptr
+}
+
+/* Test whether a name would be invalidated by a restore. */
+bool
+alloc_name_is_since_save(const ref * pnref, const alloc_save_t * save)
+{
+    const name *pname;
+
+    if (!save->restore_names)
+	return false;
+    pname = pnref->value.pname;
+    if (pname->foreign_string)
+	return false;
+    return alloc_is_since_save(pname->string_bytes, save);
+}
+bool
+alloc_name_index_is_since_save(uint nidx, const alloc_save_t * save)
+{
+    ref nref;
+
+    nref.value.pname = name_index_ptr(nidx);
+    return alloc_name_is_since_save(&nref, save);
+}
+
+/* Check whether any names have been created since a given save */
+/* that might be released by the restore. */
+bool
+alloc_any_names_since_save(const alloc_save_t * save)
+{
+    return save->restore_names;
+}
+
+/* Get the saved state with a given ID. */
+alloc_save_t *
+alloc_find_save(const gs_dual_memory_t * dmem, ulong sid)
+{
+    alloc_save_t *sprev = dmem->space_local->saved;
+
+    if (sid == 0)
+	return 0;		/* invalid id */
+    while (sprev != 0) {
+	if (sprev->id == sid)
+	    return sprev;
+	sprev = sprev->state.saved;
+    }
+    return 0;
+}
+
+/* Get the client data from a saved state. */
+void *
+alloc_save_client_data(const alloc_save_t * save)
+{
+    return save->client_data;
+}
+
+/*
+ * Do one step of restoring the state.  The client is responsible for
+ * calling alloc_find_save to get the save object, and for ensuring that
+ * there are no surviving pointers for which alloc_is_since_save is true.
+ * Return true if the argument was the innermost save, in which case
+ * this is the last (or only) step.
+ * Note that "one step" may involve multiple internal steps,
+ * if this is the outermost restore (which requires restoring both local
+ * and global VM) or if we created extra save levels to reduce scanning.
+ */
+private void restore_finalize(P1(gs_ref_memory_t *));
+private void restore_space(P1(gs_ref_memory_t *));
+
+bool
+alloc_restore_state_step(alloc_save_t * save)
+{
+    gs_dual_memory_t *dmem = save->dmem;
+    gs_ref_memory_t *mem = dmem->space_local;
+    alloc_save_t *sprev;
+
+    /* Do one (externally visible) step of restoring the state. */
+    do {
+	ulong sid;
+
+	sprev = mem->saved;
+	sid = sprev->id;
+	restore_finalize(mem);	/* finalize objects */
+	restore_resources(sprev, mem);	/* release other resources */
+	restore_space(mem);	/* release memory */
+	if (sid != 0) {
+	    dmem->save_level--;
+	    break;
+	}
+    }
+    while (sprev != save);
+
+    if (dmem->save_level == 0) {	/* This is the outermost save, which might also */
+	/* need to restore global VM. */
+	mem = dmem->space_global;
+	if (mem != dmem->space_local && mem->saved != 0) {
+	    restore_finalize(mem);
+	    restore_resources(mem->saved, mem);
+	    restore_space(mem);
+	}
+	alloc_set_not_in_save(dmem);
+    } else {			/* Set the l_new attribute in all slots that are now new. */
+	save_set_new(mem, true);
+    }
+
+    return sprev == save;
+}
+/* Restore the memory of one space, by undoing changes and freeing */
+/* memory allocated since the save. */
+private void
+restore_space(gs_ref_memory_t * mem)
+{
+    alloc_save_t *save = mem->saved;
+    alloc_save_t saved;
+
+    print_save("restore", mem->space, save);
+
+    /* Undo changes since the save. */
+    {
+	register alloc_change_t *cp = mem->changes;
+
+	while (cp) {
+#ifdef DEBUG
+	    if (gs_debug_c('U')) {
+		dlputs("[U]restore");
+		alloc_save_print(cp, true);
+	    }
+#endif
+	    if (r_is_packed(&cp->contents))
+		*cp->where = *(ref_packed *) & cp->contents;
+	    else
+		ref_assign_inline((ref *) cp->where, &cp->contents);
+	    cp = cp->next;
+	}
+    }
+
+    /* Free memory allocated since the save. */
+    /* Note that this frees all chunks except the inner one */
+    /* belonging to this level. */
+    saved = *save;
+    restore_free(mem);
+
+    /* Restore the allocator state. */
+    {
+	int num_contexts = mem->num_contexts;	/* don't restore */
+
+	*mem = saved.state;
+	mem->num_contexts = num_contexts;
+    }
+    alloc_open_chunk(mem);
+
+    /* Make the allocator current if it was current before the save. */
+    if (saved.is_current) {
+	gs_dual_memory_t *dmem = saved.dmem;
+
+	dmem->current = mem;
+	dmem->current_space = mem->space;
+    }
+}
+
+/* Restore to the initial state, releasing all resources. */
+/* The allocator is no longer usable after calling this routine! */
+void
+alloc_restore_all(gs_dual_memory_t * dmem)
+{
+    /* Restore to a state outside any saves. */
+    while (dmem->save_level != 0)
+	discard(alloc_restore_state_step(dmem->space_local->saved));
+
+    /* Finalize memory. */
+    restore_finalize(dmem->space_local);
+    {
+	gs_ref_memory_t *mem = dmem->space_global;
+
+	if (mem != dmem->space_local && mem->num_contexts == 1)
+	    restore_finalize(mem);
+    }
+    restore_finalize(dmem->space_system);
+
+    /* Release resources other than memory, using fake */
+    /* save and memory objects. */
+    {
+	alloc_save_t empty_save;
+
+	empty_save.dmem = dmem;
+	empty_save.restore_names = false;	/* don't bother to release */
+	restore_resources(&empty_save, NULL);
+    }
+
+    /* Finally, release memory. */
+    restore_free(dmem->space_local);
+    {
+	gs_ref_memory_t *mem = dmem->space_global;
+
+	if (mem != dmem->space_local) {
+	    if (!--(mem->num_contexts))
+		restore_free(mem);
+	}
+    }
+    restore_free(dmem->space_system);
+
+}
+
+/*
+ * Finalize objects that will be freed by a restore.
+ * Note that we must temporarily disable the freeing operations
+ * of the allocator while doing this.
+ */
+private void
+restore_finalize(gs_ref_memory_t * mem)
+{
+    chunk_t *cp;
+
+    alloc_close_chunk(mem);
+    gs_enable_free((gs_memory_t *) mem, false);
+    for (cp = mem->clast; cp != 0; cp = cp->cprev) {
+	SCAN_CHUNK_OBJECTS(cp)
+	    DO_ALL
+	    struct_proc_finalize((*finalize)) =
+	    pre->o_type->finalize;
+	if (finalize != 0) {
+	    if_debug2('u', "[u]restore finalizing %s 0x%lx\n",
+		      struct_type_name_string(pre->o_type),
+		      (ulong) (pre + 1));
+	    (*finalize) (pre + 1);
+	}
+	END_OBJECTS_SCAN
+    }
+    gs_enable_free((gs_memory_t *) mem, true);
+}
+
+/* Release resources for a restore */
+private void
+restore_resources(alloc_save_t * sprev, gs_ref_memory_t * mem)
+{
+#ifdef DEBUG
+    if (mem) {
+	/* Note restoring of the file list. */
+	if_debug4('u', "[u%u]file_restore 0x%lx => 0x%lx for 0x%lx\n",
+		  mem->space, (ulong)mem->streams,
+		  (ulong)sprev->state.streams, (ulong) sprev);
+    }
+#endif
+
+    /* Remove entries from font and character caches. */
+    font_restore(sprev);
+
+    /* Adjust the name table. */
+    if (sprev->restore_names)
+	names_restore(the_gs_name_table, sprev);
+}
+
+/* Release memory for a restore. */
+private void
+restore_free(gs_ref_memory_t * mem)
+{
+    /* Free chunks allocated since the save. */
+    gs_free_all((gs_memory_t *) mem);
+}
+
+/* Forget a save, by merging this level with the next outer one. */
+private void file_forget_save(P1(gs_ref_memory_t *));
+private void combine_space(P1(gs_ref_memory_t *));
+private void forget_changes(P1(gs_ref_memory_t *));
+void
+alloc_forget_save(alloc_save_t * save)
+{
+    gs_dual_memory_t *dmem = save->dmem;
+    gs_ref_memory_t *mem = dmem->space_local;
+    alloc_save_t *sprev;
+
+    print_save("forget_save", mem->space, save);
+
+    /* Iteratively combine the current level with the previous one. */
+    do {
+	sprev = mem->saved;
+	if (sprev->id != 0)
+	    dmem->save_level--;
+	if (dmem->save_level != 0) {
+	    alloc_change_t *chp = mem->changes;
+
+	    save_set_new(&sprev->state, true);
+	    /* Concatenate the changes chains. */
+	    if (chp == 0)
+		mem->changes = sprev->state.changes;
+	    else {
+		while (chp->next != 0)
+		    chp = chp->next;
+		chp->next = sprev->state.changes;
+	    }
+	    file_forget_save(mem);
+	    combine_space(mem);	/* combine memory */
+	} else {
+	    forget_changes(mem);
+	    save_set_new(mem, false);
+	    file_forget_save(mem);
+	    combine_space(mem);	/* combine memory */
+	    /* This is the outermost save, which might also */
+	    /* need to combine global VM. */
+	    mem = dmem->space_global;
+	    if (mem != dmem->space_local && mem->saved != 0) {
+		forget_changes(mem);
+		save_set_new(mem, false);
+		file_forget_save(mem);
+		combine_space(mem);
+	    }
+	    alloc_set_not_in_save(dmem);
+	    break;		/* must be outermost */
+	}
+    }
+    while (sprev != save);
+}
+/* Combine the chunks of the next outer level with those of the current one, */
+/* and free the bookkeeping structures. */
+private void
+combine_space(gs_ref_memory_t * mem)
+{
+    alloc_save_t *saved = mem->saved;
+    gs_ref_memory_t *omem = &saved->state;
+    chunk_t *cp;
+    chunk_t *csucc;
+
+    alloc_close_chunk(mem);
+    for (cp = mem->cfirst; cp != 0; cp = csucc) {
+	csucc = cp->cnext;	/* save before relinking */
+	if (cp->outer == 0)
+	    alloc_link_chunk(cp, omem);
+	else {
+	    chunk_t *outer = cp->outer;
+
+	    outer->inner_count--;
+	    if (mem->pcc == cp)
+		mem->pcc = outer;
+	    if (mem->cfreed.cp == cp)
+		mem->cfreed.cp = outer;
+	    /* "Free" the header of the inner chunk, */
+	    /* and any immediately preceding gap left by */
+	    /* the GC having compacted the outer chunk. */
+	    {
+		obj_header_t *hp = (obj_header_t *) outer->cbot;
+
+		hp->o_large = 0;
+		hp->o_size = (char *)(cp->chead + 1)
+		    - (char *)(hp + 1);
+		hp->o_type = &st_bytes;
+		/* The following call is probably not safe. */
+#if 0				/* **************** */
+		gs_free_object((gs_memory_t *) mem,
+			       hp + 1, "combine_space(header)");
+#endif /* **************** */
+	    }
+	    /* Update the outer chunk's allocation pointers. */
+	    outer->cbot = cp->cbot;
+	    outer->rcur = cp->rcur;
+	    outer->rtop = cp->rtop;
+	    outer->ctop = cp->ctop;
+	    outer->has_refs |= cp->has_refs;
+	    gs_free_object(mem->parent, cp,
+			   "combine_space(inner)");
+	}
+    }
+    /* Update relevant parts of allocator state. */
+    mem->cfirst = omem->cfirst;
+    mem->clast = omem->clast;
+    mem->allocated += omem->allocated;
+    mem->gc_allocated += omem->allocated;
+    mem->lost.objects += omem->lost.objects;
+    mem->lost.refs += omem->lost.refs;
+    mem->lost.strings += omem->lost.strings;
+    mem->saved = omem->saved;
+    mem->previous_status = omem->previous_status;
+    {				/* Concatenate free lists. */
+	int i;
+
+	for (i = 0; i < num_freelists; i++) {
+	    obj_header_t *olist = omem->freelists[i];
+	    obj_header_t *list = mem->freelists[i];
+
+	    if (olist == 0);
+	    else if (list == 0)
+		mem->freelists[i] = olist;
+	    else {
+		while (*(obj_header_t **) list != 0)
+		    list = *(obj_header_t **) list;
+		*(obj_header_t **) list = olist;
+	    }
+	}
+    }
+    gs_free_object((gs_memory_t *) mem, saved, "combine_space(saved)");
+    alloc_open_chunk(mem);
+}
+/* Free the changes chain for a level 0 .forgetsave, */
+/* resetting the l_new flag in the changed refs. */
+private void
+forget_changes(gs_ref_memory_t * mem)
+{
+    register alloc_change_t *chp = mem->changes;
+    alloc_change_t *next;
+
+    for (; chp; chp = next) {
+	ref_packed *prp = chp->where;
+
+	if_debug1('U', "[U]forgetting change 0x%lx\n", (ulong) chp);
+	if (!r_is_packed(prp))
+	    r_clear_attrs((ref *) prp, l_new);
+	next = chp->next;
+	gs_free_object((gs_memory_t *) mem, chp, "forget_changes");
+    }
+    mem->changes = 0;
+}
+/* Update the streams list when forgetting a save. */
+private void
+file_forget_save(gs_ref_memory_t * mem)
+{
+    const alloc_save_t *save = mem->saved;
+    stream *streams = mem->streams;
+    stream *saved_streams = save->state.streams;
+
+    if_debug4('u', "[u%d]file_forget_save 0x%lx + 0x%lx for 0x%lx\n",
+	      mem->space, (ulong) streams, (ulong) saved_streams,
+	      (ulong) save);
+    if (streams == 0)
+	mem->streams = saved_streams;
+    else if (saved_streams != 0) {
+	while (streams->next != 0)
+	    streams = streams->next;
+	streams->next = saved_streams;
+	saved_streams->prev = streams;
+    }
+}
+
+/* ------ Internal routines ------ */
+
+/* Set or reset the l_new attribute in every relevant slot. */
+/* This includes every slot on the current change chain, */
+/* and every (ref) slot allocated at this save level. */
+/* Return the number of bytes of data scanned. */
+private long
+save_set_new(gs_ref_memory_t * mem, bool to_new)
+{
+    long scanned = 0;
+
+    /* Handle the change chain. */
+    save_set_new_changes(mem, to_new);
+
+    /* Handle newly allocated ref objects. */
+    SCAN_MEM_CHUNKS(mem, cp) {
+	if (cp->has_refs) {
+	    bool has_refs = false;
+
+	    SCAN_CHUNK_OBJECTS(cp)
+		DO_ALL
+		if_debug3('U', "[U]set_new scan(0x%lx(%lu), %d)\n",
+			  (ulong) pre, size, to_new);
+	    if (pre->o_type == &st_refs) {	/* These are refs, scan them. */
+		ref_packed *prp = (ref_packed *) (pre + 1);
+		ref_packed *next = (ref_packed *) ((char *)prp + size);
+
+		if_debug2('U', "[U]refs 0x%lx to 0x%lx\n",
+			  (ulong) prp, (ulong) next);
+		has_refs = true;
+		scanned += size;
+		/* We know that every block of refs ends with */
+		/* a full-size ref, so we only need the end check */
+		/* when we encounter one of those. */
+		if (to_new)
+		    while (1) {
+			if (r_is_packed(prp))
+			    prp++;
+			else {
+			    ((ref *) prp)->tas.type_attrs |= l_new;
+			    prp += packed_per_ref;
+			    if (prp >= next)
+				break;
+			}
+		} else
+		    while (1) {
+			if (r_is_packed(prp))
+			    prp++;
+			else {
+			    ((ref *) prp)->tas.type_attrs &= ~l_new;
+			    prp += packed_per_ref;
+			    if (prp >= next)
+				break;
+			}
+		    }
+	    } else
+		scanned += sizeof(obj_header_t);
+	    END_OBJECTS_SCAN
+		cp->has_refs = has_refs;
+	}
+    }
+    END_CHUNKS_SCAN
+	if_debug2('u', "[u]set_new (%s) scanned %ld\n",
+		  (to_new ? "restore" : "save"), scanned);
+    return scanned;
+}
+
+/* Set or reset the l_new attribute on the changes chain. */
+private void
+save_set_new_changes(gs_ref_memory_t * mem, bool to_new)
+{
+    register alloc_change_t *chp = mem->changes;
+    register uint new = (to_new ? l_new : 0);
+
+    for (; chp; chp = chp->next) {
+	ref_packed *prp = chp->where;
+
+	if_debug2('U', "[U]set_new(0x%lx, %d)\n",
+		  (ulong) prp, new);
+	if (!r_is_packed(prp)) {
+	    ref *const rp = (ref *) prp;
+
+	    rp->tas.type_attrs =
+		(rp->tas.type_attrs & ~l_new) + new;
+	}
+    }
+}
diff --git a/pstoraster/isave.h b/pstoraster/isave.h
new file mode 100644
index 000000000..147863ec8
--- /dev/null
+++ b/pstoraster/isave.h
@@ -0,0 +1,133 @@
+/* Copyright (C) 1991, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires imemory.h */
+
+#ifndef isave_INCLUDED
+#  define isave_INCLUDED
+
+/*
+ * According to the PostScript language definition, save objects are simple,
+ * not composite.  Consequently, we cannot use their natural representation,
+ * namely a t_struct pointing to an alloc_save_t, since we aren't willing to
+ * allocate them all in global VM and rely on garbage collection to clean
+ * them up.  Instead, we assign each one a unique "save ID", and store this
+ * in the alloc_save_t object.  Mapping the number to the object requires
+ * at most searching the local save chain for the current gs_dual_memory_t,
+ * and this approach means we don't have to do anything to invalidate
+ * save objects when we do a restore.
+ */
+#ifndef alloc_save_t_DEFINED	/* also in inamedef.h */
+typedef struct alloc_save_s alloc_save_t;
+#  define alloc_save_t_DEFINED
+#endif
+
+/* Initialize the save machinery. */
+extern void alloc_save_init(P1(gs_dual_memory_t *));
+
+/* Map a save ID to its save object.  Return 0 if the ID is invalid. */
+alloc_save_t *alloc_find_save(P2(const gs_dual_memory_t *, ulong));
+
+/*
+ * Save the state.  Return 0 if we can't allocate the save object,
+ * otherwise return the save ID.  The second argument is a client data
+ * pointer, assumed to point to an object.
+ */
+ulong alloc_save_state(P2(gs_dual_memory_t *, void *));
+
+/* Get the client pointer passed to alloc_saved_state. */
+void *alloc_save_client_data(P1(const alloc_save_t *));
+
+/* Return the current level of save nesting. */
+int alloc_save_level(P1(const gs_dual_memory_t *));
+
+/* Return (the id of) the innermost externally visible save object. */
+ulong alloc_save_current_id(P1(const gs_dual_memory_t *));
+alloc_save_t *alloc_save_current(P1(const gs_dual_memory_t *));
+
+/* Check whether a pointer refers to an object allocated since a given save. */
+bool alloc_is_since_save(P2(const void *, const alloc_save_t *));
+
+/* Check whether a name was created since a given save. */
+bool alloc_name_is_since_save(P2(const ref *, const alloc_save_t *));
+bool alloc_name_index_is_since_save(P2(uint, const alloc_save_t *));
+
+/*
+ * Check whether any names have been created since a given save
+ * that might be released by the restore.
+ */
+bool alloc_any_names_since_save(P1(const alloc_save_t *));
+
+/*
+ * Do one step of restoring the state.  Return true if the argument
+ * was the innermost save, in which case this is the last (or only) step.
+ * Assume the caller obtained the argument by calling alloc_find_save;
+ * if this is the case, the operation cannot fail.
+ */
+bool alloc_restore_state_step(P1(alloc_save_t *));
+
+/*
+ * Forget a save -- like committing a transaction (restore is like
+ * aborting a transaction).  Assume the caller obtained the argument
+ * by calling alloc_find_save.  Note that forgetting a save does not
+ * require checking pointers for recency.
+ */
+void alloc_forget_save(P1(alloc_save_t *));
+
+/* Release all memory -- like doing a restore "past the bottom". */
+void alloc_restore_all(P1(gs_dual_memory_t *));
+
+/*
+ * If we are in a save, we want to save the old contents if l_new is
+ * not set; if we are not in a save, we never want to save old contents.
+ * We can test this quickly with a single mask that is l_new if we are
+ * in a save, and -1 if we are not, since type_attrs of a valid ref
+ * cannot be 0; this is the test_mask in a gs_dual_memory_t.  Similarly,
+ * we want to set the l_new bit in newly allocated objects iff we are in
+ * a save; this is the new_mask in a gs_dual_memory_t.
+ *
+ * We have to pass the pointer to the containing object to alloc_save_change
+ * for two reasons:
+ *
+ *      - We need to know which VM the containing object is in, so we can
+ * know on which chain of saved changes to put the new change.
+ *
+ *      - We need to know whether the object is an array of refs (which
+ * includes dictionaries) or a struct, so we can properly trace and
+ * relocate the pointer to it from the change record during garbage
+ * collection.
+ */
+int alloc_save_change(P4(gs_dual_memory_t *, const ref * pcont,
+			 ref_packed * ptr, client_name_t cname));
+
+/* ------ Internals ------ */
+
+/* Record that we are in a save. */
+void alloc_set_in_save(P1(gs_dual_memory_t *));
+
+/* Record that we are not in a save. */
+void alloc_set_not_in_save(P1(gs_dual_memory_t *));
+
+#endif /* isave_INCLUDED */
diff --git a/pstoraster/iscan.c b/pstoraster/iscan.c
new file mode 100644
index 000000000..867249bd3
--- /dev/null
+++ b/pstoraster/iscan.c
@@ -0,0 +1,1131 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Token scanner for Ghostscript interpreter */
+#include "ghost.h"
+#include "memory_.h"
+#include "stream.h"
+#include "errors.h"
+#include "files.h"		/* for fptr */
+#include "ialloc.h"
+#include "idict.h"		/* for //name lookup */
+#include "dstack.h"		/* ditto */
+#include "ilevel.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "iparray.h"
+#include "strimpl.h"		/* for string decoding */
+#include "sfilter.h"		/* ditto */
+#include "ostack.h"		/* for accumulating proc bodies; */
+					/* must precede iscan.h */
+#include "iscan.h"		/* defines interface */
+#include "iscannum.h"
+#include "istream.h"
+#include "istruct.h"		/* for RELOC_REF_VAR */
+#include "iutil.h"
+#include "ivmspace.h"
+#include "store.h"
+#include "scanchar.h"
+
+/* Array packing flag */
+ref ref_array_packing;		/* t_boolean */
+
+/* Binary object format flag. This will never be set non-zero */
+/* unless the binary token feature is enabled. */
+ref ref_binary_object_format;	/* t_integer */
+
+#define recognize_btokens()\
+  (ref_binary_object_format.value.intval != 0 && level2_enabled)
+
+/* Procedure for binary tokens.  Set at initialization if Level 2 */
+/* features are included; only called if recognize_btokens() is true. */
+/* Returns 0 or scan_BOS on success, <0 on failure. */
+int (*scan_btoken_proc) (P3(stream *, ref *, scanner_state *)) = NULL;
+
+/* Stream template for scanning ASCII85 literals. */
+/* Set at initialization if Level 2 features are included. */
+const stream_template *scan_ascii85_template = NULL;
+
+#ifdef DEBUG
+/* Dummy comment processing procedure for testing. */
+private int
+no_comment_proc(const byte * str, uint len)
+{
+    return 0;
+}
+#endif
+
+/* Procedure for handling DSC comments if desired. */
+/* Set at initialization if a DSC handling module is included. */
+int (*scan_dsc_proc) (P2(const byte *, uint)) = NULL;
+
+/* Procedure for handling all comments if desired. */
+/* Set at initialization if a comment handling module is included. */
+/* If both scan_comment_proc and scan_dsc_proc are set, */
+/* scan_comment_proc is called only for non-DSC comments. */
+int (*scan_comment_proc) (P2(const byte *, uint)) = NULL;
+
+/*
+ * Level 2 includes some changes in the scanner:
+ *      - \ is always recognized in strings, regardless of the data source;
+ *      - << and >> are legal tokens;
+ *      - <~ introduces an ASCII85 encoded string (terminated by ~>);
+ *      - Character codes above 127 introduce binary objects.
+ * We explicitly enable or disable these changes here.
+ */
+#define scan_enable_level2 level2_enabled	/* from ilevel.h */
+
+/* ------ Dynamic strings ------ */
+
+/* Begin collecting a dynamically allocated string. */
+#define dynamic_init(pda, mem)\
+	((pda)->is_dynamic = false,\
+	 (pda)->limit = (pda)->buf + da_buf_size,\
+	 (pda)->next = (pda)->base = (pda)->buf,\
+	 (pda)->memory = (mem))
+
+/* Free a dynamic string. */
+private void
+dynamic_free(da_ptr pda)
+{
+    if (pda->is_dynamic)
+	gs_free_string(pda->memory, pda->base, da_size(pda), "scanner");
+}
+
+/* Resize a dynamic string. */
+/* If the allocation fails, return e_VMerror; otherwise, return 0. */
+private int
+dynamic_resize(da_ptr pda, uint new_size)
+{
+    uint old_size = da_size(pda);
+    uint pos = pda->next - pda->base;
+    gs_memory_t *mem = pda->memory;
+    byte *base;
+
+    if (pda->is_dynamic) {
+	base = gs_resize_string(mem, pda->base, old_size,
+				new_size, "scanner");
+	if (base == 0)
+	    return_error(e_VMerror);
+    } else {			/* switching from static to dynamic */
+	base = gs_alloc_string(mem, new_size, "scanner");
+	if (base == 0)
+	    return_error(e_VMerror);
+	memcpy(base, pda->base, min(old_size, new_size));
+	pda->is_dynamic = true;
+    }
+    pda->base = base;
+    pda->next = base + pos;
+    pda->limit = base + new_size;
+    return 0;
+}
+
+/* Grow a dynamic string. */
+/* Return 0 if the allocation failed, the new 'next' ptr if OK. */
+/* Return 0 or an error code, updating pda->next to point to the first */
+/* available byte after growing. */
+private int
+dynamic_grow(da_ptr pda, byte * next, uint max_size)
+{
+    uint old_size = da_size(pda);
+    uint new_size = (old_size < 10 ? 20 :
+		     old_size >= (max_size >> 1) ? max_size :
+		     old_size << 1);
+    int code;
+
+    pda->next = next;
+    if (old_size == max_size)
+	return_error(e_limitcheck);
+    while ((code = dynamic_resize(pda, new_size)) < 0 &&
+	   new_size > old_size
+	) {			/* Try trimming down the requested new size. */
+	new_size -= (new_size - old_size + 1) >> 1;
+    }
+    return code;
+}
+
+/* Ensure that a dynamic string is either on the heap or in the */
+/* private buffer. */
+private void
+dynamic_save(da_ptr pda)
+{
+    if (!pda->is_dynamic && pda->base != pda->buf) {
+	memcpy(pda->buf, pda->base, da_size(pda));
+	pda->next = pda->buf + da_size(pda);
+	pda->base = pda->buf;
+    }
+}
+
+/* Finish collecting a dynamic string. */
+private int
+dynamic_make_string(ref * pref, da_ptr pda, byte * next)
+{
+    uint size = (pda->next = next) - pda->base;
+    int code = dynamic_resize(pda, size);
+
+    if (code < 0)
+	return code;
+    make_tasv_new(pref, t_string,
+		  a_all | imemory_space((gs_ref_memory_t *) pda->memory),
+		  size, bytes, pda->base);
+    return 0;
+}
+
+/* ------ Main scanner ------ */
+
+/* GC procedures */
+#define ssptr ((scanner_state *)vptr)
+#define ssarray ssptr->s_ss.binary.bin_array
+private 
+CLEAR_MARKS_PROC(scanner_clear_marks)
+{
+    r_clear_attrs(&ssarray, l_mark);
+}
+private 
+ENUM_PTRS_BEGIN(scanner_enum_ptrs) return 0;
+
+case 0:
+if (ssptr->s_scan_type == scanning_none ||
+    !ssptr->s_da.is_dynamic
+)
+    ENUM_RETURN(0);
+ssptr->s_da.str.data = ssptr->s_da.base;
+ssptr->s_da.str.size = da_size(&ssptr->s_da);
+ENUM_RETURN_STRING_PTR(scanner_state, s_da.str);
+case 1:
+if (ssptr->s_scan_type != scanning_binary)
+    return 0;
+ENUM_RETURN_REF(&ssarray);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(scanner_reloc_ptrs)
+{
+    if (ssptr->s_scan_type != scanning_none && ssptr->s_da.is_dynamic) {
+	RELOC_STRING_VAR(ssptr->s_da.str);
+	ssptr->s_da.limit = ssptr->s_da.str.data + ssptr->s_da.str.size;
+	ssptr->s_da.next = ssptr->s_da.str.data + (ssptr->s_da.next - ssptr->s_da.base);
+	ssptr->s_da.base = ssptr->s_da.str.data;
+    }
+    if (ssptr->s_scan_type == scanning_binary) {
+	RELOC_REF_VAR(ssarray);
+	r_clear_attrs(&ssarray, l_mark);
+    }
+}
+RELOC_PTRS_END
+#undef ssptr
+/* Structure type */
+public_st_scanner_state();
+
+/* Handle a scan_Refill return from scan_token. */
+/* This may return o_push_estack, 0 (meaning just call scan_token again), */
+/* or an error code. */
+int
+scan_handle_refill(const ref * fop, scanner_state * sstate, bool save,
+		   bool push_file, int (*cont) (P1(os_ptr)))
+{
+    stream *s = fptr(fop);
+    uint avail = sbufavailable(s);
+    int status;
+
+    if (s->end_status == EOFC) {	/* More data needed, but none available, */
+	/* so this is a syntax error. */
+	return_error(e_syntaxerror);
+    }
+    status = s_process_read_buf(s);
+    if (sbufavailable(s) > avail)
+	return 0;
+    if (status == 0)
+	status = s->end_status;
+    switch (status) {
+	case EOFC:
+	    /* We just discovered that we're at EOF. */
+	    /* Let the caller find this out. */
+	    return 0;
+	case ERRC:
+	    return_error(e_ioerror);
+	case INTC:
+	case CALLC:
+	    {
+		ref rstate[2];
+		scanner_state *pstate;
+		int nstate = (push_file ? 2 : 1);
+
+		if (save) {
+		    pstate =
+			ialloc_struct(scanner_state, &st_scanner_state,
+				      "scan_handle_refill");
+		    if (pstate == 0)
+			return_error(e_VMerror);
+		    *pstate = *sstate;
+		} else
+		    pstate = sstate;
+		/* If push_file is true, we want to push the file on the */
+		/* o-stack before the state, for the continuation proc. */
+		/* Since the refs passed to s_handle_read_exception */
+		/* are pushed on the e-stack, we must ensure they are */
+		/* literal, and also pass them in the opposite order! */
+		make_istruct(&rstate[0], 0, pstate);
+		rstate[1] = *fop;
+		r_clear_attrs(&rstate[1], a_executable);
+		return s_handle_read_exception(status, fop,
+					       rstate, nstate, cont);
+	    }
+    }
+    /* No more data available, but no exception.  How can this be? */
+    lprintf("Can't refill scanner input buffer!");
+    return_error(e_Fatal);
+}
+
+/* Handle a comment.  The 'saved' argument is needed only for */
+/* tracing printout. */
+private int
+scan_comment(const byte * base, const byte * end, bool saved)
+{
+    uint len = (uint) (end - base);
+
+#ifdef DEBUG
+    const char *sstr = (saved ? ">" : "");
+
+#endif
+    if (len > 1 && base[1] == '%' && scan_dsc_proc != NULL) {
+#ifdef DEBUG
+	if (gs_debug_c('%')) {
+	    dlprintf2("[%%%%%s%c]", sstr, (len >= 3 ? '+' : '-'));
+	    fwrite(base, 1, len, dstderr);
+	    dputs("\n");
+	}
+#endif
+	if (end - base >= 3)
+	    return (*scan_dsc_proc) (base, len);
+    } else if (scan_comment_proc != NULL) {
+#ifdef DEBUG
+	if (gs_debug_c('%')) {
+	    dlprintf2("[%% %s%c]", sstr, (len >= 2 ? '+' : '-'));
+	    fwrite(base, 1, len, dstderr);
+	    dputs("\n");
+	}
+#endif
+	if (end - base >= 2)
+	    return (*scan_comment_proc) (base, len);
+    }
+    return 0;
+}
+
+/* Read a token from a string. */
+/* Update the string if succesful. */
+int
+scan_string_token(ref * pstr, ref * pref)
+{
+    stream st;
+    stream *s = &st;
+    scanner_state state;
+    int code;
+
+    if (!r_has_attr(pstr, a_read))
+	return_error(e_invalidaccess);
+    sread_string(s, pstr->value.bytes, r_size(pstr));
+    scanner_state_init(&state, true);
+    switch (code = scan_token(s, pref, &state)) {
+	case 0:		/* read a token */
+	case scan_BOS:
+	    {
+		uint pos = stell(s);
+
+		pstr->value.bytes += pos;
+		r_dec_size(pstr, pos);
+	    }
+	    break;
+	case scan_Refill:	/* error */
+	    code = gs_note_error(e_syntaxerror);
+	default:		/* error */
+	    ;
+    }
+    return code;
+}
+
+/*
+ * Read a token from a stream.
+ * Return 0 if an ordinary token was read,
+ * scan_BOS for a binary object sequence, scan_EOF for end-of-stream,
+ * scan_Refill if more data needed, or a (negative) error code.
+ * If the token required a terminating character (i.e., was a name or
+ * number) and the next character was whitespace, read and discard
+ * that character.  Note that the state is relevant for e_VMerror
+ * as well as for scan_Refill.
+ */
+int
+scan_token(stream * s, ref * pref, scanner_state * pstate)
+{
+    ref *myref = pref;
+    int retcode = 0;
+    int c;
+
+    s_declare_inline(s, sptr, endptr);
+#define scan_begin_inline() s_begin_inline(s, sptr, endptr)
+#define scan_getc() sgetc_inline(s, sptr, endptr)
+#define scan_putback() sputback_inline(s, sptr, endptr)
+#define scan_end_inline() s_end_inline(s, sptr, endptr)
+    const byte *newptr;
+    byte *daptr;
+
+#define sreturn(code)\
+  { retcode = gs_note_error(code); goto sret; }
+#define sreturn_no_error(code)\
+  { scan_end_inline(); return(code); }
+#define if_not_spush1()\
+  if ( osp < ostop ) osp++;\
+  else if ( (retcode = ref_stack_push(&o_stack, 1)) >= 0 )\
+    ;\
+  else
+#define spop1()\
+  if ( osp >= osbot ) osp--;\
+  else ref_stack_pop(&o_stack, 1)
+    int max_name_ctype =
+    (recognize_btokens()? ctype_name : ctype_btoken);
+
+#define scan_sign(sign, ptr)\
+  switch ( *ptr ) {\
+    case '-': sign = -1; ptr++; break;\
+    case '+': sign = 1; ptr++; break;\
+    default: sign = 0;\
+  }
+#define ensure2_back(styp,nback)\
+  if ( sptr >= endptr ) { sptr -= nback; scan_type = styp; goto pause; }
+#define ensure2(styp) ensure2_back(styp, 1)
+    byte s1[2];
+    const byte *const decoder = scan_char_decoder;
+    int status;
+    int sign;
+    const bool check_only = pstate->s_check_only;
+    scanner_state sstate;
+
+#define pstack sstate.s_pstack
+#define pdepth sstate.s_pdepth
+#define scan_type sstate.s_scan_type
+#define da sstate.s_da
+#define name_type sstate.s_ss.s_name.s_name_type
+#define try_number sstate.s_ss.s_name.s_try_number
+
+    if (pstate->s_pstack != 0) {
+	if_not_spush1()
+	    return retcode;
+	myref = osp;
+    }
+    /* Check whether we are resuming after an interruption. */
+    if (pstate->s_scan_type != scanning_none) {
+	sstate = *pstate;
+	if (!da.is_dynamic && da.base != da.buf) {	/* The da contains some self-referencing pointers. */
+	    /* Fix them up now. */
+	    uint size = da.next - da.base;
+
+	    da.base = da.buf;
+	    da.next = da.buf + size;
+	    da.limit = da.buf + da_buf_size;
+	}
+	daptr = da.next;
+	switch (scan_type) {
+	    case scanning_binary:
+		retcode = (*sstate.s_ss.binary.cont) (s, myref, &sstate);
+		scan_begin_inline();
+		if (retcode == scan_Refill)
+		    goto pause;
+		goto sret;
+	    case scanning_comment:
+		scan_begin_inline();
+		goto cont_comment;
+	    case scanning_name:
+		goto cont_name;
+	    case scanning_string:
+		goto cont_string;
+	    default:
+		return_error(e_Fatal);
+	}
+    }
+    /* Fetch any state variables that are relevant even if */
+    /* scan_type == scanning_none. */
+    pstack = pstate->s_pstack;
+    pdepth = pstate->s_pdepth;
+    sstate.s_check_only = check_only;
+    scan_begin_inline();
+    /*
+     * Loop invariants:
+     *      If pstack != 0, myref = osp, and *osp is a valid slot.
+     */
+  top:c = scan_getc();
+    if_debug1('S', (c >= 32 && c <= 126 ? "`%c'" : c >= 0 ? "`\\%03o'" : "`%d'"), c);
+    switch (c) {
+	case ' ':
+	case '\f':
+	case '\t':
+	case char_CR:
+	case char_EOL:
+	case char_NULL:
+	    goto top;
+	case '[':
+	case ']':
+	    s1[0] = (byte) c;
+	    retcode = name_ref(s1, 1, myref, 1);	/* can't fail */
+	    r_set_attrs(myref, a_executable);
+	    break;
+	case '<':
+	    if (scan_enable_level2) {
+		ensure2(scanning_none);
+		c = scan_getc();
+		switch (c) {
+		    case '<':
+			scan_putback();
+			name_type = 0;
+			try_number = false;
+			goto try_funny_name;
+		    case '~':
+			s_A85D_init_inline(&sstate.s_ss.a85d);
+			sstate.s_ss.st.template =
+			    scan_ascii85_template;
+			goto str;
+		}
+		scan_putback();
+	    }
+	    s_AXD_init_inline(&sstate.s_ss.axd);
+	    sstate.s_ss.st.template = &s_AXD_template;
+	  str:scan_end_inline();
+	    dynamic_init(&da, imemory);
+	  cont_string:for (;;) {
+		stream_cursor_write w;
+
+		w.ptr = da.next - 1;
+		w.limit = da.limit - 1;
+		status = (*sstate.s_ss.st.template->process)
+		    (&sstate.s_ss.st, &s->cursor.r, &w,
+		     s->end_status == EOFC);
+		if (!check_only)
+		    da.next = w.ptr + 1;
+		switch (status) {
+		    case 0:
+			status = s->end_status;
+			if (status < 0) {
+			    if (status == EOFC) {
+				if (check_only) {
+				    retcode = scan_Refill;
+				    scan_type = scanning_string;
+				    goto suspend;
+				} else
+				    sreturn(e_syntaxerror);
+			    }
+			    break;
+			}
+			s_process_read_buf(s);
+			continue;
+		    case 1:
+			if (!check_only) {
+			    retcode = dynamic_grow(&da, da.next, max_string_size);
+			    if (retcode == e_VMerror) {
+				scan_type = scanning_string;
+				goto suspend;
+			    } else if (retcode < 0)
+				sreturn(retcode);
+			}
+			continue;
+		}
+		break;
+	    }
+	    scan_begin_inline();
+	    switch (status) {
+		default:
+		    /*case ERRC: */
+		    sreturn(e_syntaxerror);
+		case INTC:
+		case CALLC:
+		    scan_type = scanning_string;
+		    goto pause;
+		case EOFC:
+		    ;
+	    }
+	    retcode = dynamic_make_string(myref, &da, da.next);
+	    if (retcode < 0) {	/* VMerror */
+		sputback(s);	/* rescan ) */
+		scan_type = scanning_string;
+		goto suspend;
+	    }
+	    break;
+	case '(':
+	    sstate.s_ss.pssd.from_string =
+		pstate->s_from_string && !scan_enable_level2;
+	    s_PSSD_init_inline(&sstate.s_ss.pssd);
+	    sstate.s_ss.st.template = &s_PSSD_template;
+	    goto str;
+	case '{':
+	    if (pstack == 0) {	/* outermost procedure */
+		if_not_spush1() {
+		    scan_putback();
+		    scan_type = scanning_none;
+		    goto pause_ret;
+		}
+		pdepth = ref_stack_count_inline(&o_stack);
+	    }
+	    make_int(osp, pstack);
+	    pstack = ref_stack_count_inline(&o_stack);
+	    if_debug3('S', "[S{]d=%d, s=%d->%d\n",
+		      pdepth, (int)osp->value.intval, pstack);
+	    goto snext;
+	case '>':
+	    if (scan_enable_level2) {
+		ensure2(scanning_none);
+		name_type = 0;
+		try_number = false;
+		goto try_funny_name;
+	    }
+	    /* falls through */
+	case ')':
+	    sreturn(e_syntaxerror);
+	case '}':
+	    if (pstack == 0)
+		sreturn(e_syntaxerror);
+	    osp--;
+	    {
+		uint size = ref_stack_count_inline(&o_stack) - pstack;
+		ref arr;
+
+		if_debug4('S', "[S}]d=%d, s=%d->%ld, c=%d\n",
+			  pdepth, pstack,
+			  (pstack == pdepth ? 0 :
+			   ref_stack_index(&o_stack, size)->value.intval),
+			  size + pstack);
+		myref = (pstack == pdepth ? pref : &arr);
+		if (check_only) {
+		    make_empty_array(myref, 0);
+		    ref_stack_pop(&o_stack, size);
+		} else if (ref_array_packing.value.boolval) {
+		    retcode = make_packed_array(myref, &o_stack,
+						size, "scanner(packed)");
+		    if (retcode < 0) {	/* must be VMerror */
+			osp++;
+			scan_putback();
+			scan_type = scanning_none;
+			goto pause_ret;
+		    }
+		    r_set_attrs(myref, a_executable);
+		} else {
+		    retcode = ialloc_ref_array(myref,
+					       a_executable + a_all, size,
+					       "scanner(proc)");
+		    if (retcode < 0) {	/* must be VMerror */
+			osp++;
+			scan_putback();
+			scan_type = scanning_none;
+			goto pause_ret;
+		    }
+		    retcode = ref_stack_store(&o_stack, myref,
+					      size, 0, 1, false, "scanner");
+		    if (retcode < 0) {
+			ifree_ref_array(myref, "scanner(proc)");
+			sreturn(retcode);
+		    }
+		    ref_stack_pop(&o_stack, size);
+		}
+		if (pstack == pdepth) {		/* This was the top-level procedure. */
+		    spop1();
+		    pstack = 0;
+		} else {
+		    if (osp < osbot)
+			ref_stack_pop_block(&o_stack);
+		    pstack = osp->value.intval;
+		    *osp = arr;
+		    goto snext;
+		}
+	    }
+	    break;
+	case '/':
+	    ensure2(scanning_none);
+	    c = scan_getc();
+	    if (c == '/') {
+		name_type = 2;
+		c = scan_getc();
+	    } else
+		name_type = 1;
+	    try_number = false;
+	    switch (decoder[c]) {
+		case ctype_name:
+		default:
+		    goto do_name;
+		case ctype_btoken:
+		    if (!recognize_btokens())
+			goto do_name;
+		    /* otherwise, an empty name */
+		case ctype_exception:
+		case ctype_space:
+		    /*
+		     * Amazingly enough, the Adobe implementations don't accept
+		     * / or // followed by [, ], <<, or >>, so we do the same.
+		     * (Older versions of our code had a ctype_other case here
+		     * that handled these specially.)
+		     */
+		case ctype_other:
+		    da.base = da.limit = daptr = 0;
+		    da.is_dynamic = false;
+		    goto nx;
+	    }
+	case '%':
+	    {			/* Scan as much as possible within the buffer. */
+		const byte *base = sptr;
+		const byte *end;
+
+		while (++sptr < endptr)		/* stop 1 char early */
+		    switch (*sptr) {
+			case char_CR:
+			    end = sptr;
+			    if (sptr[1] == char_EOL)
+				sptr++;
+			  cend:	/* Check for externally processed comments. */
+			    retcode = scan_comment(base, end, false);
+			    if (retcode < 0)
+				goto sret;
+			    goto top;
+			case char_EOL:
+			case '\f':
+			    end = sptr;
+			    goto cend;
+		    }
+		/*
+		 * We got to the end of the buffer while inside a comment.
+		 * If there is a possibility that we must pass the comment
+		 * to an external procedure, move what we have collected
+		 * so far into a private buffer now.
+		 */
+#define comment_line da.buf
+		--sptr;
+		comment_line[1] = 0;
+		if (scan_comment_proc != NULL ||
+		    ((sptr == base || base[1] == '%') &&
+		     scan_dsc_proc != NULL)
+		    ) {		/* Could be an externally processable comment. */
+		    uint len = sptr + 1 - base;
+
+		    memcpy(comment_line, base, len);
+		    daptr = comment_line + len;
+		} else {	/* Not a DSC comment. */
+		    daptr = comment_line + (max_comment_line + 1);
+		}
+		da.base = comment_line;
+		da.is_dynamic = false;
+	    }
+	    /* Enter here to continue scanning a comment. */
+	    /* daptr must be set. */
+	  cont_comment:for (;;) {
+		switch ((c = scan_getc())) {
+		    default:
+			if (c < 0)
+			    switch (c) {
+				case INTC:
+				case CALLC:
+				    da.next = daptr;
+				    scan_type = scanning_comment;
+				    goto pause;
+				case EOFC:
+				    /*
+				     * One would think that an EOF in a comment
+				     * should be a syntax error, but there are
+				     * quite a number of files that end that way.
+				     */
+				    goto end_comment;
+				default:
+				    sreturn(e_syntaxerror);
+			    }
+			if (daptr < comment_line + max_comment_line)
+			    *daptr++ = c;
+			continue;
+		    case char_CR:
+		    case char_EOL:
+		    case '\f':
+		      end_comment:retcode = scan_comment(comment_line, daptr, true);
+			if (retcode < 0)
+			    goto sret;
+			goto top;
+		}
+		break;
+	    }
+#undef comment_line
+	    /*NOTREACHED */
+	case EOFC:
+	    if (pstack != 0) {
+		if (check_only)
+		    goto pause;
+		sreturn(e_syntaxerror);
+	    }
+	    retcode = scan_EOF;
+	    break;
+	case ERRC:
+	    sreturn(e_ioerror);
+
+	    /* Check for a Level 2 funny name (<< or >>). */
+	    /* c is '<' or '>'.  We already did an ensure2. */
+	  try_funny_name:
+	    {
+		int c1 = scan_getc();
+
+		if (c1 == c) {
+		    s1[0] = s1[1] = c;
+		    name_ref(s1, 2, myref, 1);	/* can't fail */
+		    goto have_name;
+		}
+		scan_putback();
+	    }
+	    sreturn(e_syntaxerror);
+
+	    /* Handle separately the names that might be a number. */
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	case '8':
+	case '9':
+	case '.':
+	    sign = 0;
+	  nr:			/*
+				 * Skip a leading sign, if any, by conditionally passing
+				 * sptr + 1 rather than sptr.  Also, if the last character
+				 * in the buffer is a CR, we must stop the scan 1 character
+				 * early, to be sure that we can test for CR+LF within the
+				 * buffer, by passing endptr rather than endptr + 1.
+				 */
+	    retcode = scan_number(sptr + (sign & 1),
+		    endptr /*(*endptr == char_CR ? endptr : endptr + 1) */ ,
+				  sign, myref, &newptr);
+	    if (retcode == 1 && decoder[newptr[-1]] == ctype_space) {
+		sptr = newptr - 1;
+		if (*sptr == char_CR && sptr[1] == char_EOL)
+		    sptr++;
+		retcode = 0;
+		break;
+	    }
+	    name_type = 0;
+	    try_number = true;
+	    goto do_name;
+	case '+':
+	    sign = 1;
+	    goto nr;
+	case '-':
+	    sign = -1;
+	    goto nr;
+
+	    /* Check for a binary object */
+#define case4(c) case c: case c+1: case c+2: case c+3
+	  case4(128): case4(132): case4(136): case4(140):
+	  case4(144): case4(148): case4(152): case4(156):
+#undef case4
+	    if (recognize_btokens()) {
+		scan_end_inline();
+		retcode = (*scan_btoken_proc) (s, myref, &sstate);
+		scan_begin_inline();
+		if (retcode == scan_Refill)
+		    goto pause;
+		break;
+	    }
+	    /* Not a binary object, fall through. */
+
+	    /* The default is a name. */
+	default:
+	    if (c < 0) {
+		dynamic_init(&da, name_memory());	/* da state must be clean */
+		scan_type = scanning_none;
+		goto pause;
+	    }
+	    /* Populate the switch with enough cases to force */
+	    /* simple compilers to use a dispatch rather than tests. */
+	case '!':
+	case '"':
+	case '#':
+	case '$':
+	case '&':
+	case '\'':
+	case '*':
+	case ',':
+	case '=':
+	case ':':
+	case ';':
+	case '?':
+	case '@':
+	case 'A':
+	case 'B':
+	case 'C':
+	case 'D':
+	case 'E':
+	case 'F':
+	case 'G':
+	case 'H':
+	case 'I':
+	case 'J':
+	case 'K':
+	case 'L':
+	case 'M':
+	case 'N':
+	case 'O':
+	case 'P':
+	case 'Q':
+	case 'R':
+	case 'S':
+	case 'T':
+	case 'U':
+	case 'V':
+	case 'W':
+	case 'X':
+	case 'Y':
+	case 'Z':
+	case '\\':
+	case '^':
+	case '_':
+	case '`':
+	case 'a':
+	case 'b':
+	case 'c':
+	case 'd':
+	case 'e':
+	case 'f':
+	case 'g':
+	case 'h':
+	case 'i':
+	case 'j':
+	case 'k':
+	case 'l':
+	case 'm':
+	case 'n':
+	case 'o':
+	case 'p':
+	case 'q':
+	case 'r':
+	case 's':
+	case 't':
+	case 'u':
+	case 'v':
+	case 'w':
+	case 'x':
+	case 'y':
+	case 'z':
+	case '|':
+	case '~':
+	    /* Common code for scanning a name. */
+	    /* try_number and name_type are already set. */
+	    /* We know c has ctype_name (or maybe ctype_btoken) */
+	    /* or is a digit. */
+	    name_type = 0;
+	    try_number = false;
+	  do_name:
+	    /* Try to scan entirely within the stream buffer. */
+	    /* We stop 1 character early, so we don't switch buffers */
+	    /* looking ahead if the name is terminated by \r\n. */
+	    da.base = (byte *) sptr;
+	    da.is_dynamic = false;
+	    {
+		const byte *endp1 = endptr - 1;
+
+		do {
+		    if (sptr >= endp1)	/* stop 1 early! */
+			goto dyn_name;
+		}
+		while (decoder[*++sptr] <= max_name_ctype);	/* digit or name */
+	    }
+	    /* Name ended within the buffer. */
+	    daptr = (byte *) sptr;
+	    c = *sptr;
+	    goto nx;
+	  dyn_name:		/* Name extended past end of buffer. */
+	    scan_end_inline();
+	    /* Initialize the dynamic area. */
+	    /* We have to do this before the next */
+	    /* sgetc, which will overwrite the buffer. */
+	    da.limit = (byte *)++ sptr;
+	    da.memory = name_memory();
+	    retcode = dynamic_grow(&da, da.limit, name_max_string);
+	    if (retcode < 0) {
+		dynamic_save(&da);
+		if (retcode != e_VMerror)
+		    sreturn(retcode);
+		scan_type = scanning_name;
+		goto pause_ret;
+	    }
+	    daptr = da.next;
+	    /* Enter here to continue scanning a name. */
+	    /* daptr must be set. */
+	  cont_name:scan_begin_inline();
+	    while (decoder[c = scan_getc()] <= max_name_ctype) {
+		if (daptr == da.limit) {
+		    retcode = dynamic_grow(&da, daptr,
+					   name_max_string);
+		    if (retcode < 0) {
+			dynamic_save(&da);
+			if (retcode != e_VMerror)
+			    sreturn(retcode);
+			scan_putback();
+			scan_type = scanning_name;
+			goto pause_ret;
+		    }
+		    daptr = da.next;
+		}
+		*daptr++ = c;
+	    }
+	  nx:switch (decoder[c]) {
+		case ctype_btoken:
+		case ctype_other:
+		    scan_putback();
+		    break;
+		case ctype_space:
+		    /* Check for \r\n */
+		    if (c == char_CR) {
+			if (sptr >= endptr) {	/* ensure2 *//* We have to check specially for */
+			    /* the case where the very last */
+			    /* character of a file is a CR. */
+			    if (s->end_status != EOFC) {
+				sptr--;
+				goto pause_name;
+			    }
+			} else if (sptr[1] == char_EOL)
+			    sptr++;
+		    }
+		    break;
+		case ctype_exception:
+		    switch (c) {
+			case INTC:
+			case CALLC:
+			    goto pause_name;
+			case ERRC:
+			    sreturn(e_ioerror);
+			case EOFC:
+			    break;
+		    }
+	    }
+	    /* Check for a number */
+	    if (try_number) {
+		const byte *base = da.base;
+
+		scan_sign(sign, base);
+		retcode = scan_number(base, daptr, sign, myref, &newptr);
+		if (retcode == 1)
+		    retcode = 0;
+		else if (retcode != e_syntaxerror) {
+		    dynamic_free(&da);
+		    if (name_type == 2)
+			sreturn(e_syntaxerror);
+		    break;	/* might be e_limitcheck */
+		}
+	    }
+	    if (da.is_dynamic) {	/* We've already allocated the string on the heap. */
+		uint size = daptr - da.base;
+
+		retcode = name_ref(da.base, size, myref, -1);
+		if (retcode >= 0) {
+		    dynamic_free(&da);
+		} else {
+		    retcode = dynamic_resize(&da, size);
+		    if (retcode < 0) {	/* VMerror */
+			if (c != EOFC)
+			    scan_putback();
+			scan_type = scanning_name;
+			goto pause_ret;
+		    }
+		    retcode = name_ref(da.base, size, myref, 2);
+		}
+	    } else {
+		retcode = name_ref(da.base, (uint) (daptr - da.base),
+				   myref, 1);
+	    }
+	    /* Done scanning.  Check for preceding /'s. */
+	    if (retcode < 0) {
+		if (retcode != e_VMerror)
+		    sreturn(retcode);
+		if (!da.is_dynamic) {
+		    da.next = daptr;
+		    dynamic_save(&da);
+		}
+		if (c != EOFC)
+		    scan_putback();
+		scan_type = scanning_name;
+		goto pause_ret;
+	    }
+	  have_name:switch (name_type) {
+		case 0:	/* ordinary executable name */
+		    if (r_has_type(myref, t_name))	/* i.e., not a number */
+			r_set_attrs(myref, a_executable);
+		case 1:	/* quoted name */
+		    break;
+		case 2:	/* immediate lookup */
+		    {
+			ref *pvalue;
+
+			if (!r_has_type(myref, t_name))
+			    sreturn(e_undefined);
+			if ((pvalue = dict_find_name(myref)) == 0)
+			    sreturn(e_undefined);
+			if (pstack != 0 &&
+			    r_space(pvalue) > ialloc_space(idmemory)
+			    )
+			    sreturn(e_invalidaccess);
+			ref_assign_new(myref, pvalue);
+		    }
+	    }
+    }
+  sret:if (retcode < 0) {
+	scan_end_inline();
+	if (pstack != 0)
+	    ref_stack_pop(&o_stack,
+			  ref_stack_count(&o_stack) - (pdepth - 1));
+	return retcode;
+    }
+    /* If we are at the top level, return the object, */
+    /* otherwise keep going. */
+    if (pstack == 0) {
+	scan_end_inline();
+	return retcode;
+    }
+  snext:if_not_spush1() {
+	scan_end_inline();
+	scan_type = scanning_none;
+	goto save;
+    }
+    myref = osp;
+    goto top;
+
+    /* Pause for an interrupt or callout. */
+  pause_name:
+    /* If we're still scanning within the stream buffer, */
+    /* move the characters to the private buffer (da.buf) now. */
+    da.next = daptr;
+    dynamic_save(&da);
+    scan_type = scanning_name;
+  pause:
+    retcode = scan_Refill;
+  pause_ret:
+    scan_end_inline();
+  suspend:
+    if (pstack != 0)
+	osp--;			/* myref */
+  save:
+    sstate.s_from_string = pstate->s_from_string;
+    *pstate = sstate;
+    return retcode;
+}
diff --git a/pstoraster/iscan.h b/pstoraster/iscan.h
new file mode 100644
index 000000000..cb174ad8b
--- /dev/null
+++ b/pstoraster/iscan.h
@@ -0,0 +1,161 @@
+/* Copyright (C) 1992, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires gsstruct.h, ostack.h, stream.h */
+
+#ifndef iscan_INCLUDED
+#  define iscan_INCLUDED
+
+#include "sa85x.h"
+#include "sstring.h"
+
+/*
+ * Define the state of the scanner.  Before calling scan_token initially,
+ * the caller must initialize the state by calling scanner_state_init.
+ * Most of the state is only used if scanning is suspended because of
+ * an interrupt or a callout.
+ *
+ * We expose the entire state definition to the caller so that
+ * the state can normally be allocated on the stack.
+ */
+typedef struct scanner_state_s scanner_state;
+
+/*
+ * Define a structure for dynamically growable strings.
+ * If is_dynamic is true, base/next/limit point to a string on the heap;
+ * if is_dynamic is false, base/next/limit point either to the local buffer
+ * or (only while control is inside scan_token) into the source stream buffer.
+ */
+#define max_comment_line 255	/* max size of an externally processable comment */
+#define max_dsc_line max_comment_line	/* backward compatibility */
+#define da_buf_size (max_comment_line + 2)
+typedef struct dynamic_area_s {
+    gs_string str;		/* for GC */
+    byte *base;
+    byte *next;
+    byte *limit;
+    bool is_dynamic;
+    byte buf[da_buf_size];	/* initial buffer */
+    gs_memory_t *memory;
+} dynamic_area;
+
+#define da_size(pda) ((uint)((pda)->limit - (pda)->base))
+typedef dynamic_area *da_ptr;
+
+/* Define state specific to binary tokens and binary object sequences. */
+typedef struct scan_binary_state_s {
+    int num_format;
+    int (*cont) (P3(stream *, ref *, scanner_state *));
+    ref bin_array;
+    uint index;
+    uint max_array_index;	/* largest legal index in objects */
+    uint min_string_index;	/* smallest legal index in strings */
+    uint top_size;
+    uint size;
+} scan_binary_state;
+
+/* Define the scanner state. */
+struct scanner_state_s {
+    uint s_pstack;		/* stack depth when starting current */
+    /* procedure, after pushing old pstack */
+    uint s_pdepth;		/* pstack for very first { encountered, */
+    /* for error recovery */
+    bool s_from_string;		/* true if string is source of data */
+    /* (for Level 1 `\' handling) */
+    bool s_check_only;		/* true if just checking for syntax errors */
+    /* and complete statements (no value) */
+    enum {
+	scanning_none,
+	scanning_binary,
+	scanning_comment,
+	scanning_name,
+	scanning_string
+    } s_scan_type;
+    dynamic_area s_da;
+    union sss_ {		/* scanning sub-state */
+	scan_binary_state binary;	/* binary */
+	struct sns_ {		/* name */
+	    int s_name_type;	/* number of /'s preceding a name */
+	    bool s_try_number;	/* true if should try scanning name */
+	    /* as number */
+	} s_name;
+	stream_state st;	/* string */
+	stream_A85D_state a85d;	/* string */
+	stream_AXD_state axd;	/* string */
+	stream_PSSD_state pssd;	/* string */
+    } s_ss;
+};
+
+/* The type descriptor is public only for checking. */
+extern_st(st_scanner_state);
+#define public_st_scanner_state()	/* in iscan.c */\
+  gs_public_st_complex_only(st_scanner_state, scanner_state, "scanner state",\
+    scanner_clear_marks, scanner_enum_ptrs, scanner_reloc_ptrs, 0)
+#define scanner_state_init_check(pstate, from_string, check_only)\
+  ((pstate)->s_scan_type = scanning_none,\
+   (pstate)->s_pstack = 0,\
+   (pstate)->s_from_string = from_string,\
+   (pstate)->s_check_only = check_only)
+#define scanner_state_init(pstate, from_string)\
+  scanner_state_init_check(pstate, from_string, false)
+
+/*
+ * Read a token from a stream.  As usual, 0 is a normal return,
+ * <0 is an error.  There are also three special return codes:
+ */
+#define scan_BOS 1		/* binary object sequence */
+#define scan_EOF 2		/* end of stream */
+#define scan_Refill 3		/* get more input data, then call again */
+int scan_token(P3(stream * s, ref * pref, scanner_state * pstate));
+
+/*
+ * Read a token from a string.  Return like scan_token, but also
+ * update the string to move past the token (if no error).
+ */
+int scan_string_token(P2(ref * pstr, ref * pref));
+
+/*
+ * Handle a scan_Refill return from scan_token.
+ * This may return o_push_estack, 0 (meaning just call scan_token again),
+ * or an error code.
+ */
+int scan_handle_refill(P5(const ref * fop, scanner_state * pstate, bool save,
+			  bool push_file, int (*cont) (P1(os_ptr))));
+
+/*
+ * Define the procedure "hook" for parsing DSC comments.  If not NULL,
+ * this procedure is called for every DSC comment seen by the scanner.
+ */
+extern int (*scan_dsc_proc) (P2(const byte *, uint));
+
+/*
+ * Define the procedure "hook" for parsing general comments.  If not NULL,
+ * this procedure is called for every comment seen by the scanner.
+ * If both scan_dsc_proc and scan_comment_proc are set,
+ * scan_comment_proc is called only for non-DSC comments.
+ */
+extern int (*scan_comment_proc) (P2(const byte *, uint));
+
+#endif /* iscan_INCLUDED */
diff --git a/pstoraster/iscanbin.c b/pstoraster/iscanbin.c
new file mode 100644
index 000000000..63cdcc157
--- /dev/null
+++ b/pstoraster/iscanbin.c
@@ -0,0 +1,768 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Ghostscript binary token scanner and writer */
+#include "math_.h"
+#include "memory_.h"
+#include "ghost.h"
+#include "gsutil.h"
+#include "stream.h"
+#include "strimpl.h"		/* for sfilter.h */
+#include "sfilter.h"		/* for iscan.h */
+#include "errors.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "dstack.h"		/* for immediately evaluated names */
+#include "ostack.h"		/* must precede iscan.h */
+#include "iname.h"
+#include "iscan.h"		/* for scan_Refill */
+#include "iutil.h"
+#include "ivmspace.h"
+#include "store.h"
+#include "btoken.h"
+#include "ibnum.h"
+
+/* Define the binary token types. */
+typedef enum {
+    BT_SEQ = 128,		/* binary object sequence: */
+    BT_SEQ_IEEE_MSB = 128,	/* IEEE floats, big-endian */
+    BT_SEQ_IEEE_LSB = 129,	/* IEEE float, little-endian */
+    BT_SEQ_NATIVE_MSB = 130,	/* native floats, big-endian */
+    BT_SEQ_NATIVE_LSB = 131,	/* native floats, little-endian */
+    BT_INT32_MSB = 132,
+    BT_INT32_LSB = 133,
+    BT_INT16_MSB = 134,
+    BT_INT16_LSB = 135,
+    BT_INT8 = 136,
+    BT_FIXED = 137,
+    BT_FLOAT_IEEE_MSB = 138,
+    BT_FLOAT_IEEE_LSB = 139,
+    BT_FLOAT_NATIVE = 140,
+    BT_BOOLEAN = 141,
+    BT_STRING_256 = 142,
+    BT_STRING_64K_MSB = 143,
+    BT_STRING_64K_LSB = 144,
+    BT_LITNAME_SYSTEM = 145,
+    BT_EXECNAME_SYSTEM = 146,
+    BT_LITNAME_USER = 147,
+    BT_EXECNAME_USER = 148,
+    BT_NUM_ARRAY = 149
+} bin_token_type_t;
+
+#define MIN_BIN_TOKEN_TYPE 128
+#define MAX_BIN_TOKEN_TYPE 159
+#define NUM_BIN_TOKEN_TYPES (MAX_BIN_TOKEN_TYPE - MIN_BIN_TOKEN_TYPE + 1)
+
+/* Define the number of required initial bytes for binary tokens. */
+private const byte bin_token_bytes[NUM_BIN_TOKEN_TYPES] =
+{
+    4, 4, 4, 4, 5, 5, 3, 3, 2, 2, 5, 5, 5,
+    2, 2, 3, 3, 2, 2, 2, 2, 4,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1	/* undefined */
+};
+
+/* Define the number formats for those binary tokens that need them. */
+private const byte bin_token_num_formats[NUM_BIN_TOKEN_TYPES] =
+{
+    num_msb + num_float_IEEE,	/* BT_SEQ_IEEE_MSB */
+    num_lsb + num_float_IEEE,	/* BT_SEQ_IEEE_LSB */
+    num_msb + num_float_native,	/* BT_SEQ_NATIVE_MSB */
+    num_lsb + num_float_native,	/* BT_SEQ_NATIVE_LSB */
+    num_msb + num_int32,	/* BT_INT32_MSB */
+    num_lsb + num_int32,	/* BT_INT32_LSB */
+    num_msb + num_int16,	/* BT_INT16_MSB */
+    num_lsb + num_int16,	/* BT_INT16_LSB */
+    0,				/* BT_INT8, not used */
+    0,				/* BT_FIXED, not used */
+    num_msb + num_float_IEEE,	/* BT_FLOAT_IEEE_MSB */
+    num_lsb + num_float_IEEE,	/* BT_FLOAT_IEEE_LSB */
+    num_float_native,		/* BT_FLOAT_NATIVE */
+    0,				/* BT_BOOLEAN, not used */
+    0,				/* BT_STRING_256, not used */
+    num_msb,			/* BT_STRING_64K_MSB */
+    num_lsb			/* BT_STRING_64K_LSB */
+    /* rest not used */
+};
+
+/* Binary object sequence element types */
+typedef enum {
+    BS_TYPE_NULL = 0,
+    BS_TYPE_INTEGER = 1,
+    BS_TYPE_REAL = 2,
+    BS_TYPE_NAME = 3,
+    BS_TYPE_BOOLEAN = 4,
+    BS_TYPE_STRING = 5,
+    BS_TYPE_EVAL_NAME = 6,
+    BS_TYPE_ARRAY = 9,
+    BS_TYPE_MARK = 10,
+    /*
+     * We extend the PostScript language definition by allowing
+     * dictionaries in binary object sequences.  The data for
+     * a dictionary is like that for an array, with the following
+     * changes:
+     *      - If the size is an even number, the value is the index of
+     * the first of a series of alternating keys and values.
+     *      - If the size is 1, the value is the index of another
+     * object (which must also be a dictionary, and must not have
+     * size = 1); this object represents the same object as that one.
+     */
+    BS_TYPE_DICTIONARY = 15
+} bin_seq_type_t;
+
+#define BS_EXECUTABLE 128
+#define SIZEOF_BIN_SEQ_OBJ ((uint)8)
+
+/* Current binary format (in iscan.c) */
+extern ref ref_binary_object_format;
+
+/* Forward references */
+private int scan_bin_num_array_continue(P3(stream *, ref *, scanner_state *));
+private int scan_bin_string_continue(P3(stream *, ref *, scanner_state *));
+private int scan_bos_continue(P3(stream *, ref *, scanner_state *));
+private byte *scan_bos_resize(P3(scanner_state *, uint, uint));
+private int scan_bos_string_continue(P3(stream *, ref *, scanner_state *));
+
+/* Scan a binary token.  Called from the main scanner */
+/* when it encounters an ASCII code 128-159, */
+/* if binary tokens are being recognized (object format != 0). */
+int
+scan_binary_token(stream * s, ref * pref, scanner_state * pstate)
+{
+    scan_binary_state *const pbs = &pstate->s_ss.binary;
+
+    s_declare_inline(s, p, rlimit);
+    int num_format, code;
+    uint arg;
+    uint wanted;
+    uint rcnt;
+
+    s_begin_inline(s, p, rlimit);
+    wanted = bin_token_bytes[*p - MIN_BIN_TOKEN_TYPE] - 1;
+    rcnt = rlimit - p;
+    if (rcnt < wanted) {
+	s_end_inline(s, p - 1, rlimit);
+	pstate->s_scan_type = scanning_none;
+	return scan_Refill;
+    }
+    num_format = bin_token_num_formats[*p - MIN_BIN_TOKEN_TYPE];
+    switch (*p) {
+	case BT_SEQ_IEEE_MSB:
+	case BT_SEQ_IEEE_LSB:
+	case BT_SEQ_NATIVE_MSB:
+	case BT_SEQ_NATIVE_LSB:{
+		uint top_size = p[1];
+		uint hsize, size;
+
+		pbs->num_format = num_format;
+		if (top_size == 0) {
+		    /* Extended header (2-byte array size, 4-byte length) */
+		    ulong lsize;
+
+		    if (rcnt < 7) {
+			s_end_inline(s, p - 1, rlimit);
+			pstate->s_scan_type = scanning_none;
+			return scan_Refill;
+		    }
+		    top_size = sdecodeushort(p + 2, num_format);
+		    lsize = sdecodelong(p + 4, num_format);
+		    if ((size = lsize) != lsize)
+			return_error(e_limitcheck);
+		    hsize = 8;
+		} else {
+		    /* Normal header (1-byte array size, 2-byte length). */
+		    /* We already checked rcnt >= 3. */
+		    size = sdecodeushort(p + 2, num_format);
+		    hsize = 4;
+		}
+		if (size < hsize)
+		    return_error(e_syntaxerror);
+		/* Preallocate an array large enough for the worst case, */
+		/* namely, all objects and no strings. */
+		code = ialloc_ref_array(&pbs->bin_array,
+				   a_all + a_executable, size / sizeof(ref),
+					"binary object sequence(objects)");
+		if (code < 0)
+		    return code;
+		p += hsize - 1;
+		size -= hsize;
+		s_end_inline(s, p, rlimit);
+		pbs->max_array_index = pbs->top_size = top_size;
+		pbs->min_string_index = pbs->size = size;
+		pbs->index = 0;
+		pstate->s_da.is_dynamic = false;
+		pstate->s_da.base = pstate->s_da.next =
+		    pstate->s_da.limit = pstate->s_da.buf;
+		code = scan_bos_continue(s, pref, pstate);
+		if (code == scan_Refill || code < 0) {
+		    /* Clean up array for GC. */
+		    uint index = pbs->index;
+
+		    refset_null(pbs->bin_array.value.refs + index,
+				r_size(&pbs->bin_array) - index);
+		    pbs->cont = scan_bos_continue;
+		}
+		return code;
+	    }
+	case BT_INT8:
+	    make_int(pref, (p[1] ^ 128) - 128);
+	    s_end_inline(s, p + 1, rlimit);
+	    return 0;
+	case BT_FIXED:
+	    num_format = p[1];
+	    if (!num_is_valid(num_format))
+		return_error(e_syntaxerror);
+	    wanted = 1 + encoded_number_bytes(num_format);
+	    if (rcnt < wanted) {
+		s_end_inline(s, p - 1, rlimit);
+		pstate->s_scan_type = scanning_none;
+		return scan_Refill;
+	    }
+	    code = sdecode_number(p + 2, num_format, pref);
+	    goto rnum;
+	case BT_INT32_MSB:
+	case BT_INT32_LSB:
+	case BT_INT16_MSB:
+	case BT_INT16_LSB:
+	case BT_FLOAT_IEEE_MSB:
+	case BT_FLOAT_IEEE_LSB:
+	case BT_FLOAT_NATIVE:
+	    code = sdecode_number(p + 1, num_format, pref);
+	  rnum:
+	    switch (code) {
+		case t_integer:
+		case t_real:
+		    r_set_type(pref, code);
+		    break;
+		case t_null:
+		    return_error(e_syntaxerror);
+		default:
+		    return code;
+	    }
+	    s_end_inline(s, p + wanted, rlimit);
+	    return 0;
+	case BT_BOOLEAN:
+	    arg = p[1];
+	    if (arg & ~1)
+		return_error(e_syntaxerror);
+	    make_bool(pref, arg);
+	    s_end_inline(s, p + 1, rlimit);
+	    return 0;
+	case BT_STRING_256:
+	    arg = *++p;
+	    goto str;
+	case BT_STRING_64K_MSB:
+	case BT_STRING_64K_LSB:
+	    arg = sdecodeushort(p + 1, num_format);
+	    p += 2;
+	  str:
+	    {
+		byte *str = ialloc_string(arg, "string token");
+
+		if (str == 0)
+		    return_error(e_VMerror);
+		s_end_inline(s, p, rlimit);
+		pstate->s_da.base = pstate->s_da.next = str;
+		pstate->s_da.limit = str + arg;
+		code = scan_bin_string_continue(s, pref, pstate);
+		if (code == scan_Refill || code < 0) {
+		    pstate->s_da.is_dynamic = true;
+		    make_null(&pbs->bin_array);		/* clean up for GC */
+		    pbs->cont = scan_bin_string_continue;
+		}
+		return code;
+	    }
+	case BT_LITNAME_SYSTEM:
+	    code = array_get(system_names_p, p[1], pref);
+	    goto lname;
+	case BT_EXECNAME_SYSTEM:
+	    code = array_get(system_names_p, p[1], pref);
+	    goto xname;
+	case BT_LITNAME_USER:
+	    code = array_get(user_names_p, p[1], pref);
+	  lname:
+	    if (code < 0)
+		return code;
+	    if (!r_has_type(pref, t_name))
+		return_error(e_undefined);
+	    s_end_inline(s, p + 1, rlimit);
+	    return 0;
+	case BT_EXECNAME_USER:
+	    code = array_get(user_names_p, p[1], pref);
+	  xname:
+	    if (code < 0)
+		return code;
+	    if (!r_has_type(pref, t_name))
+		return_error(e_undefined);
+	    r_set_attrs(pref, a_executable);
+	    s_end_inline(s, p + 1, rlimit);
+	    return 0;
+	case BT_NUM_ARRAY:
+	    num_format = p[1];
+	    if (!num_is_valid(num_format))
+		return_error(e_syntaxerror);
+	    arg = sdecodeushort(p + 2, num_format);
+	    code = ialloc_ref_array(&pbs->bin_array, a_all, arg,
+				    "number array token");
+	    if (code < 0)
+		return code;
+	    pbs->num_format = num_format;
+	    pbs->index = 0;
+	    p += 3;
+	    s_end_inline(s, p, rlimit);
+	    code = scan_bin_num_array_continue(s, pref, pstate);
+	    if (code == scan_Refill || code < 0) {
+		/* Make sure the array is clean for the GC. */
+		refset_null(pbs->bin_array.value.refs + pbs->index,
+			    arg - pbs->index);
+		pbs->cont = scan_bin_num_array_continue;
+	    }
+	    return code;
+    }
+    return_error(e_syntaxerror);
+}
+
+/* Continue collecting a binary string. */
+private int
+scan_bin_string_continue(stream * s, ref * pref, scanner_state * pstate)
+{
+    byte *q = pstate->s_da.next;
+    uint wanted = pstate->s_da.limit - q;
+    uint rcnt;
+
+    sgets(s, q, wanted, &rcnt);
+    if (rcnt == wanted) {
+	/* Finished collecting the string. */
+	make_string(pref, a_all | icurrent_space,
+		    pstate->s_da.limit - pstate->s_da.base,
+		    pstate->s_da.base);
+	return 0;
+    }
+    pstate->s_da.next = q + rcnt;
+    pstate->s_scan_type = scanning_binary;
+    return scan_Refill;
+}
+
+/* Continue scanning a binary number array. */
+private int
+scan_bin_num_array_continue(stream * s, ref * pref, scanner_state * pstate)
+{
+    scan_binary_state *const pbs = &pstate->s_ss.binary;
+    uint index = pbs->index;
+    ref *np = pbs->bin_array.value.refs + index;
+    uint wanted = encoded_number_bytes(pbs->num_format);
+
+    for (; index < r_size(&pbs->bin_array); index++, np++) {
+	int code;
+
+	if (sbufavailable(s) < wanted) {
+	    pbs->index = index;
+	    pstate->s_scan_type = scanning_binary;
+	    return scan_Refill;
+	}
+	code = sdecode_number(sbufptr(s), pbs->num_format, np);
+	switch (code) {
+	    case t_integer:
+	    case t_real:
+		r_set_type(np, code);
+		sbufskip(s, wanted);
+		break;
+	    case t_null:
+		return_error(e_syntaxerror);
+	    default:
+		return code;
+	}
+    }
+    *pref = pbs->bin_array;
+    return 0;
+}
+
+/*
+ * Continue scanning a binary object sequence.  We preallocated space for
+ * the largest possible number of objects, but not for strings, since
+ * the latter would probably be a gross over-estimate.  Instead,
+ * we wait until we see the first string or name, and allocate string space
+ * based on the hope that its string index is the smallest one we will see.
+ * If this turns out to be wrong, we may have to reallocate, and adjust
+ * all the pointers.
+ */
+private int
+scan_bos_continue(register stream * s, ref * pref, scanner_state * pstate)
+{
+    scan_binary_state *const pbs = &pstate->s_ss.binary;
+    s_declare_inline(s, p, rlimit);
+    uint max_array_index = pbs->max_array_index;
+    uint min_string_index = pbs->min_string_index;
+    int num_format = pbs->num_format;
+    uint index = pbs->index;
+    uint size = pbs->size;
+    ref *abase = pbs->bin_array.value.refs;
+    int code;
+
+    s_begin_inline(s, p, rlimit);
+    for (; index < max_array_index; p += SIZEOF_BIN_SEQ_OBJ, index++) {
+	ref *op = abase + index;
+	uint osize;
+	long value;
+	uint atype, attrs;
+
+	s_end_inline(s, p, rlimit);	/* in case of error */
+	if (rlimit - p < SIZEOF_BIN_SEQ_OBJ) {
+	    pbs->index = index;
+	    pbs->max_array_index = max_array_index;
+	    pbs->min_string_index = min_string_index;
+	    pstate->s_scan_type = scanning_binary;
+	    return scan_Refill;
+	}
+	attrs = (p[1] & 128 ? a_executable : 0);
+	switch (p[1] & 0x7f) {
+	    case BS_TYPE_NULL:
+		make_null(op);
+		break;
+	    case BS_TYPE_INTEGER:
+		make_int(op, sdecodelong(p + 5, num_format));
+		break;
+	    case BS_TYPE_REAL:{
+		    float vreal;
+
+		    osize = sdecodeushort(p + 3, num_format);
+		    if (osize != 0) {	/* fixed-point number */
+			value = sdecodelong(p + 5, num_format);
+			vreal = (float)ldexp((double)value, -osize);
+		    } else {
+			vreal = sdecodefloat(p + 5, num_format);
+		    }
+		    make_real(op, vreal);
+		    break;
+		}
+	    case BS_TYPE_BOOLEAN:
+		make_bool(op, sdecodelong(p + 5, num_format) != 0);
+		break;
+	    case BS_TYPE_STRING:
+		osize = sdecodeushort(p + 3, num_format);
+		attrs |= a_all;
+	      str:
+		if (osize == 0) {
+		    /* For zero-length strings, the offset */
+		    /* doesn't matter, and may be zero. */
+		    make_empty_string(op, attrs);
+		    break;
+		}
+		value = sdecodelong(p + 5, num_format);
+		if (value < max_array_index * SIZEOF_BIN_SEQ_OBJ ||
+		    value + osize > size
+		    )
+		    return_error(e_syntaxerror);
+		if (value < min_string_index) {
+		    /* We have to (re)allocate the strings. */
+		    uint str_size = size - value;
+		    byte *sbase;
+
+		    if (pstate->s_da.is_dynamic)
+			sbase = scan_bos_resize(pstate, str_size,
+						index);
+		    else
+			sbase = ialloc_string(str_size,
+					      "bos strings");
+		    if (sbase == 0)
+			return_error(e_VMerror);
+		    pstate->s_da.is_dynamic = true;
+		    pstate->s_da.base = pstate->s_da.next = sbase;
+		    pstate->s_da.limit = sbase + str_size;
+		    min_string_index = value;
+		}
+		make_string(op, attrs | icurrent_space, osize,
+			    pstate->s_da.base +
+			    (value - min_string_index));
+		break;
+	    case BS_TYPE_EVAL_NAME:
+		attrs |= a_readonly;	/* mark as executable for later */
+		/* falls through */
+	    case BS_TYPE_NAME:
+		osize = sdecodeushort(p + 3, num_format);
+		value = sdecodelong(p + 5, num_format);
+		switch (osize) {
+		    case 0:
+			code = array_get(user_names_p, value, op);
+			goto usn;
+		    case 0xffff:
+			code = array_get(system_names_p, value, op);
+		      usn:
+			if (code < 0)
+			    return code;
+			if (!r_has_type(op, t_name))
+			    return_error(e_undefined);
+			r_set_attrs(op, attrs);
+			break;
+		    default:
+			goto str;
+		}
+		break;
+	    case BS_TYPE_ARRAY:
+		osize = sdecodeushort(p + 3, num_format);
+		atype = t_array;
+	      arr:
+		value = sdecodelong(p + 5, num_format);
+		if (value + osize > min_string_index ||
+		    value & (SIZEOF_BIN_SEQ_OBJ - 1)
+		    )
+		    return_error(e_syntaxerror);
+		{
+		    uint aindex = value / SIZEOF_BIN_SEQ_OBJ;
+
+		    max_array_index =
+			max(max_array_index, aindex + osize);
+		    make_tasv_new(op, atype,
+				  attrs | a_all | icurrent_space,
+				  osize, refs, abase + aindex);
+		}
+		break;
+	    case BS_TYPE_DICTIONARY:	/* EXTENSION */
+		osize = sdecodeushort(p + 3, num_format);
+		if ((osize & 1) != 0 && osize != 1)
+		    return_error(e_syntaxerror);
+		atype = t_mixedarray;	/* mark as dictionary */
+		goto arr;
+	    case BS_TYPE_MARK:
+		make_mark(op);
+		break;
+	    default:
+		return_error(e_syntaxerror);
+	}
+    }
+    s_end_inline(s, p, rlimit);
+    /* Shorten the objects to remove the space that turned out */
+    /* to be used for strings. */
+    iresize_ref_array(&pbs->bin_array, max_array_index,
+		      "binary object sequence(objects)");
+    code = scan_bos_string_continue(s, pref, pstate);
+    if (code == scan_Refill)
+	pbs->cont = scan_bos_string_continue;
+    return code;
+}
+
+/* Reallocate the strings for a binary object sequence, */
+/* adjusting all the pointers to them from objects. */
+private byte *
+scan_bos_resize(scanner_state * pstate, uint new_size, uint index)
+{
+    scan_binary_state *const pbs = &pstate->s_ss.binary;
+    uint old_size = da_size(&pstate->s_da);
+    byte *old_base = pstate->s_da.base;
+    byte *new_base = iresize_string(old_base, old_size, new_size,
+				    "scan_bos_resize");
+    byte *relocated_base = new_base + (new_size - old_size);
+    uint i;
+    ref *aptr = pbs->bin_array.value.refs;
+
+    if (new_base == 0)
+	return 0;
+    /* Since the allocator normally extends strings downward, */
+    /* it's quite possible that new and old addresses are the same. */
+    if (relocated_base != old_base)
+	for (i = index; i != 0; i--, aptr++)
+	    if (r_has_type(aptr, t_string) && r_size(aptr) != 0)
+		aptr->value.bytes =
+		    aptr->value.bytes - old_base + relocated_base;
+    return new_base;
+}
+
+/* Continue reading the strings for a binary object sequence. */
+private int
+scan_bos_string_continue(register stream * s, ref * pref, scanner_state * pstate)
+{
+    scan_binary_state *const pbs = &pstate->s_ss.binary;
+    ref rstr;
+    ref *op = pbs->bin_array.value.refs;
+    int code = scan_bin_string_continue(s, &rstr, pstate);
+    uint space = ialloc_space(idmemory);
+    bool rescan = false;
+    uint i;
+
+    if (code != 0)
+	return code;
+    /* Finally, fix up names and dictionaries. */
+    for (i = r_size(&pbs->bin_array); i != 0; i--, op++)
+	switch (r_type(op)) {
+	    case t_string:
+		if (r_has_attr(op, a_write))	/* a real string */
+		    break;
+		/* This is actually a name; look it up now. */
+		{
+		    uint attrs =
+		    (r_has_attr(op, a_executable) ? a_executable : 0);
+
+		    code = name_ref(op->value.bytes, r_size(op), op, 1);
+		    if (code < 0)
+			return code;
+		    r_set_attrs(op, attrs);
+		}
+		/* falls through */
+	    case t_name:
+		if (r_has_attr(op, a_read)) {	/* BS_TYPE_EVAL_NAME */
+		    ref *defp = dict_find_name(op);
+
+		    if (defp == 0)
+			return_error(e_undefined);
+		    store_check_space(space, defp);
+		    ref_assign(op, defp);
+		}
+		break;
+	    case t_mixedarray:	/* actually a dictionary */
+		{
+		    uint count = r_size(op);
+		    ref rdict;
+
+		    if (count == 1) {
+			/* Indirect reference. */
+			if (op->value.refs < op)
+			    ref_assign(&rdict, op->value.refs);
+			else {
+			    rescan = true;
+			    continue;
+			}
+		    } else {
+			code = dict_create(count >> 1, &rdict);
+			if (code < 0)
+			    return code;
+			while (count) {
+			    count -= 2;
+			    code = dict_put(&rdict,
+					    &op->value.refs[count],
+					    &op->value.refs[count + 1]);
+			    if (code < 0)
+				return code;
+			}
+		    }
+		    r_set_attrs(&rdict, a_all);
+		    r_copy_attrs(&rdict, a_executable, op);
+		    ref_assign(op, &rdict);
+		}
+		break;
+	}
+    /* If there were any forward indirect references, */
+    /* fix them up now. */
+    if (rescan)
+	for (op = pbs->bin_array.value.refs, i = r_size(&pbs->bin_array);
+	     i != 0; i--, op++
+	    )
+	    if (r_has_type(op, t_mixedarray)) {
+		const ref *piref = op->value.const_refs;
+		ref rdict;
+
+		if (r_has_type(piref, t_mixedarray))	/* ref to indirect */
+		    return_error(e_syntaxerror);
+		ref_assign(&rdict, piref);
+		r_copy_attrs(&rdict, a_executable, op);
+		ref_assign(op, &rdict);
+	    }
+    ref_assign(pref, &pbs->bin_array);
+    r_set_size(pref, pbs->top_size);
+    return scan_BOS;
+}
+
+/* ---------------- Writing ---------------- */
+
+int
+encode_binary_token(const ref * obj, long *ref_offset, long *char_offset,
+		    byte * str)
+{
+    bin_seq_type_t type;
+    uint size = 0;
+    long value;
+    ref nstr;
+
+    switch (r_type(obj)) {
+	case t_null:
+	    type = BS_TYPE_NULL;
+	    goto tx;
+	case t_mark:
+	    type = BS_TYPE_MARK;
+	    goto tx;
+	case t_integer:
+	    type = BS_TYPE_INTEGER;
+	    value = obj->value.intval;
+	    break;
+	case t_real:
+	    type = BS_TYPE_REAL;
+	    /***** DOESN'T HANDLE NON-IEEE NATIVE *****/
+	    if (sizeof(obj->value.realval) == sizeof(int)) {
+		value = *(const int *)&obj->value.realval;
+	    } else {
+		/****** CAN'T HANDLE IT ******/
+		return_error(e_rangecheck);
+	    }
+	    break;
+	case t_boolean:
+	    type = BS_TYPE_BOOLEAN;
+	    value = obj->value.boolval;
+	    break;
+	case t_array:
+	    type = BS_TYPE_ARRAY;
+	    size = r_size(obj);
+	    goto aod;
+	case t_dictionary:	/* EXTENSION */
+	    type = BS_TYPE_DICTIONARY;
+	    size = dict_length(obj) << 1;
+	  aod:value = *ref_offset;
+	    *ref_offset += size * (ulong) SIZEOF_BIN_SEQ_OBJ;
+	    break;
+	case t_string:
+	    type = BS_TYPE_STRING;
+nos:
+	    size = r_size(obj);
+	    value = *char_offset;
+	    *char_offset += size;
+	    break;
+	case t_name:
+	    type = BS_TYPE_NAME;
+	    name_string_ref(obj, &nstr);
+	    r_copy_attrs(&nstr, a_executable, obj);
+	    obj = &nstr;
+	    goto nos;
+	default:
+	    return_error(e_rangecheck);
+    }
+    {
+	byte s0 = (byte) size, s1 = (byte) (size >> 8);
+	byte v0 = (byte) value, v1 = (byte) (value >> 8), v2 = (byte) (value >> 16),
+	     v3 = (byte) (value >> 24);
+	int order = (int)ref_binary_object_format.value.intval - 1;
+
+	if (order & 1) {
+	    /* Store little-endian */
+	    str[2] = s0, str[3] = s1;
+	    str[4] = v0, str[5] = v1, str[6] = v2, str[7] = v3;
+	} else {
+	    /* Store big-endian */
+	    str[2] = s1, str[3] = s0;
+	    str[4] = v3, str[5] = v2, str[6] = v1, str[7] = v0;
+	}
+    }
+tx:
+    if (r_has_attr(obj, a_executable))
+	type += BS_EXECUTABLE;
+    str[0] = (byte) type;
+    return 0;
+}
diff --git a/pstoraster/iscannum.c b/pstoraster/iscannum.c
new file mode 100644
index 000000000..07137418a
--- /dev/null
+++ b/pstoraster/iscannum.c
@@ -0,0 +1,398 @@
+/* Copyright (C) 1994, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Number scanner for Ghostscript interpreter */
+#include "math_.h"
+#include "ghost.h"
+#include "errors.h"
+#include "scommon.h"
+#include "iscannum.h"		/* defines interface */
+#include "scanchar.h"
+#include "store.h"
+
+/*
+ * Warning: this file has a "spaghetti" control structure.  But since this
+ * code accounts for over 10% of the execution time of some PostScript
+ * files, this is one of the few places we feel this is justified.
+ */
+
+/*
+ * Scan a number.  If the number consumes the entire string, return 0;
+ * if not, set *psp to the first character beyond the number and return 1.
+ */
+int
+scan_number(const byte * str, const byte * end, int sign,
+	    ref * pref, const byte ** psp)
+{
+    const byte *sp = str;
+#define GET_NEXT(cvar, sp, end_action)\
+  if ( sp >= end ) { end_action; } else cvar = *sp++
+    /*
+     * Powers of 10 up to 6 can be represented accurately as
+     * a single-precision float.
+     */
+#define NUM_POWERS_10 6
+    static const float powers_10[NUM_POWERS_10 + 1] =
+    {
+	1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6
+    };
+    static const double neg_powers_10[NUM_POWERS_10 + 1] =
+    {
+	1e0, 1e-1, 1e-2, 1e-3, 1e-4, 1e-5, 1e-6
+    };
+    int ival;
+    long lval;
+    double dval;
+    int exp10;
+    int code = 0;
+    int c, d;
+    const byte *const decoder = scan_char_decoder;
+#define IS_DIGIT(d, c)\
+  ((d = decoder[c]) < 10)
+
+    GET_NEXT(c, sp, return_error(e_syntaxerror));
+#define WOULD_OVERFLOW(val, d, maxv)\
+  (val >= maxv / 10 && (val > maxv / 10 || d > (int)(maxv % 10)))
+    if (!IS_DIGIT(d, c)) {
+	if (c != '.')
+	    return_error(e_syntaxerror);
+	/* Might be a number starting with '.'. */
+	GET_NEXT(c, sp, return_error(e_syntaxerror));
+	if (!IS_DIGIT(d, c))
+	    return_error(e_syntaxerror);
+	ival = 0;
+	goto i2r;
+    }
+    /* Accumulate an integer in ival. */
+    /* Do up to 4 digits without a loop, */
+    /* since we know this can't overflow and since */
+    /* most numbers have 4 (integer) digits or fewer. */
+    ival = d;
+    if (end - sp >= 3) {	/* just check once */
+	if (!IS_DIGIT(d, (c = *sp))) {
+	    sp++;
+	    goto ind;
+	}
+	ival = ival * 10 + d;
+	if (!IS_DIGIT(d, (c = sp[1]))) {
+	    sp += 2;
+	    goto ind;
+	}
+	ival = ival * 10 + d;
+	sp += 3;
+	if (!IS_DIGIT(d, (c = sp[-1])))
+	    goto ind;
+	ival = ival * 10 + d;
+    }
+    for (;; ival = ival * 10 + d) {
+	GET_NEXT(c, sp, goto iret);
+	if (!IS_DIGIT(d, c))
+	    break;
+	if (WOULD_OVERFLOW(ival, d, max_int))
+	    goto i2l;
+    }
+  ind:				/* We saw a non-digit while accumulating an integer in ival. */
+    switch (c) {
+	case '.':
+	    GET_NEXT(c, sp, c = EOFC);
+	    goto i2r;
+	default:
+	    *psp = sp;
+	    code = 1;
+	    break;
+	case 'e':
+	case 'E':
+	    if (sign < 0)
+		ival = -ival;
+	    dval = ival;
+	    exp10 = 0;
+	    goto fe;
+	case '#':
+	    {
+		const uint radix = (uint)ival;
+		ulong uval = 0, lmax;
+
+		if (sign || radix < min_radix || radix > max_radix)
+		    return_error(e_syntaxerror);
+		/* Avoid multiplies for power-of-2 radix. */
+		if (!(radix & (radix - 1))) {
+		    int shift;
+
+		    switch (radix) {
+			case 2:
+			    shift = 1, lmax = max_ulong >> 1;
+			    break;
+			case 4:
+			    shift = 2, lmax = max_ulong >> 2;
+			    break;
+			case 8:
+			    shift = 3, lmax = max_ulong >> 3;
+			    break;
+			case 16:
+			    shift = 4, lmax = max_ulong >> 4;
+			    break;
+			case 32:
+			    shift = 5, lmax = max_ulong >> 5;
+			    break;
+			default:	/* can't happen */
+			    return_error(e_rangecheck);
+		    }
+		    for (;; uval = (uval << shift) + d) {
+			GET_NEXT(c, sp, break);
+			d = decoder[c];
+			if (d >= radix) {
+			    *psp = sp;
+			    code = 1;
+			    break;
+			}
+			if (uval > lmax)
+			    return_error(e_limitcheck);
+		    }
+		} else {
+		    int lrem = max_ulong % radix;
+
+		    lmax = max_ulong / radix;
+		    for (;; uval = uval * radix + d) {
+			GET_NEXT(c, sp, break);
+			d = decoder[c];
+			if (d >= radix) {
+			    *psp = sp;
+			    code = 1;
+			    break;
+			}
+			if (uval >= lmax &&
+			    (uval > lmax || d > lrem)
+			    )
+			    return_error(e_limitcheck);
+		    }
+		}
+		make_int_new(pref, uval);
+		return code;
+	    }
+    }
+iret:
+    make_int_new(pref, (sign < 0 ? -ival : ival));
+    return code;
+
+    /* Accumulate a long in lval. */
+i2l:
+    for (lval = ival;;) {
+	if (WOULD_OVERFLOW(lval, d, max_long)) {
+	    /* Make a special check for entering the smallest */
+	    /* (most negative) integer. */
+	    if (lval == max_long / 10 &&
+		d == (int)(max_long % 10) + 1 && sign < 0
+		) {
+		GET_NEXT(c, sp, c = EOFC);
+		dval = -(double)min_long;
+		if (c == 'e' || c == 'E' || c == '.') {
+		    exp10 = 0;
+		    goto fs;
+		} else if (!IS_DIGIT(d, c)) {
+		    lval = min_long;
+		    break;
+		}
+	    } else
+		dval = lval;
+	    goto l2d;
+	}
+	lval = lval * 10 + d;
+	GET_NEXT(c, sp, goto lret);
+	if (!IS_DIGIT(d, c))
+	    break;
+    }
+    switch (c) {
+	case '.':
+	    GET_NEXT(c, sp, c = EOFC);
+	    exp10 = 0;
+	    goto l2r;
+	default:
+	    *psp = sp;
+	    code = 1;
+	    break;
+	case 'e':
+	case 'E':
+	    exp10 = 0;
+	    goto le;
+	case '#':
+	    return_error(e_syntaxerror);
+    }
+lret:
+    make_int_new(pref, (sign < 0 ? -lval : lval));
+    return code;
+
+    /* Accumulate a double in dval. */
+l2d:
+    exp10 = 0;
+    for (;;) {
+	dval = dval * 10 + d;
+	GET_NEXT(c, sp, c = EOFC);
+	if (!IS_DIGIT(d, c))
+	    break;
+    }
+    switch (c) {
+	case '.':
+	    GET_NEXT(c, sp, c = EOFC);
+	    exp10 = 0;
+	    goto fs;
+	default:
+	    *psp = sp;
+	    code = 1;
+	    /* falls through */
+	case EOFC:
+	    if (sign < 0)
+		dval = -dval;
+	    goto rret;
+	case 'e':
+	case 'E':
+	    exp10 = 0;
+	    goto fs;
+	case '#':
+	    return_error(e_syntaxerror);
+    }
+
+    /* We saw a '.' while accumulating an integer in ival. */
+i2r:
+    exp10 = 0;
+    while (IS_DIGIT(d, c)) {
+	if (WOULD_OVERFLOW(ival, d, max_int)) {
+	    lval = ival;
+	    goto l2r;
+	}
+	ival = ival * 10 + d;
+	exp10--;
+	GET_NEXT(c, sp, c = EOFC);
+    }
+    if (sign < 0)
+	ival = -ival;
+    /* Take a shortcut for the common case */
+    if (!(c == 'e' || c == 'E' || exp10 < -NUM_POWERS_10)) {	/* Check for trailing garbage */
+	if (c != EOFC)
+	    *psp = sp, code = 1;
+	make_real_new(pref, ival * neg_powers_10[-exp10]);
+	return code;
+    }
+    dval = ival;
+    goto fe;
+
+    /* We saw a '.' while accumulating a long in lval. */
+l2r:
+    while (IS_DIGIT(d, c)) {
+	if (WOULD_OVERFLOW(lval, d, max_long)) {
+	    dval = lval;
+	    goto fd;
+	}
+	lval = lval * 10 + d;
+	exp10--;
+	GET_NEXT(c, sp, c = EOFC);
+    }
+le:
+    if (sign < 0)
+	lval = -lval;
+    dval = lval;
+    goto fe;
+
+    /* Now we are accumulating a double in dval. */
+fd:
+    while (IS_DIGIT(d, c)) {
+	dval = dval * 10 + d;
+	exp10--;
+	GET_NEXT(c, sp, c = EOFC);
+    }
+fs:
+    if (sign < 0)
+	dval = -dval;
+fe:
+    /* Now dval contains the value, negated if necessary. */
+    switch (c) {
+	case 'e':
+	case 'E':
+	    {			/* Check for a following exponent. */
+		int esign = 0;
+		int iexp;
+
+		GET_NEXT(c, sp, return_error(e_syntaxerror));
+		switch (c) {
+		    case '-':
+			esign = 1;
+		    case '+':
+			GET_NEXT(c, sp, return_error(e_syntaxerror));
+		}
+		/* Scan the exponent.  We limit it arbitrarily to 999. */
+		if (!IS_DIGIT(d, c))
+		    return_error(e_syntaxerror);
+		iexp = d;
+		for (;; iexp = iexp * 10 + d) {
+		    GET_NEXT(c, sp, break);
+		    if (!IS_DIGIT(d, c)) {
+			*psp = sp;
+			code = 1;
+			break;
+		    }
+		    if (iexp > 99)
+			return_error(e_limitcheck);
+		}
+		if (esign)
+		    exp10 -= iexp;
+		else
+		    exp10 += iexp;
+		break;
+	    }
+	default:
+	    *psp = sp;
+	    code = 1;
+	case EOFC:
+	    ;
+    }
+    /* Compute dval * 10^exp10. */
+    if (exp10 > 0) {
+	while (exp10 > NUM_POWERS_10)
+	    dval *= powers_10[NUM_POWERS_10],
+		exp10 -= NUM_POWERS_10;
+	if (exp10 > 0)
+	    dval *= powers_10[exp10];
+    } else if (exp10 < 0) {
+	while (exp10 < -NUM_POWERS_10)
+	    dval /= powers_10[NUM_POWERS_10],
+		exp10 += NUM_POWERS_10;
+	if (exp10 < 0)
+	    dval /= powers_10[-exp10];
+    }
+    /*
+     * Check for an out-of-range result.  Currently we don't check for
+     * absurdly large numbers of digits in the accumulation loops,
+     * but we should.
+     */
+    if (dval >= 0) {
+	if (dval > MAX_FLOAT)
+	    return_error(e_limitcheck);
+    } else {
+	if (dval < -MAX_FLOAT)
+	    return_error(e_limitcheck);
+    }
+rret:
+    make_real_new(pref, dval);
+    return code;
+}
diff --git a/pstoraster/iscannum.h b/pstoraster/iscannum.h
new file mode 100644
index 000000000..e44b7c93c
--- /dev/null
+++ b/pstoraster/iscannum.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to Ghostscript number scanner */
+
+#ifndef iscannum_INCLUDED
+#  define iscannum_INCLUDED
+
+/* Scan a number.  If the number consumes the entire string, return 0; */
+/* if not, set *psp to the first character beyond the number and return 1. */
+int scan_number(P5(const byte * sp, const byte * end, int sign, ref * pref,
+		   const byte ** psp));
+
+#endif /* iscannum_INCLUDED */
diff --git a/pstoraster/isstate.h b/pstoraster/isstate.h
new file mode 100644
index 000000000..146c71248
--- /dev/null
+++ b/pstoraster/isstate.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1993, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires isave.h */
+
+#ifndef isstate_INCLUDED
+#  define isstate_INCLUDED
+
+/* Saved state of allocator and other things as needed. */
+						/*typedef struct alloc_save_s alloc_save_t; *//* in isave.h */
+struct alloc_save_s {
+    gs_ref_memory_t state;	/* must be first for subclassing */
+    gs_dual_memory_t *dmem;
+    bool restore_names;
+    bool is_current;
+    ulong id;
+    void *client_data;
+};
+
+#define private_st_alloc_save()	/* in isave.c */\
+  gs_private_st_suffix_add1(st_alloc_save, alloc_save_t, "alloc_save",\
+    save_enum_ptrs, save_reloc_ptrs, st_ref_memory, client_data)
+
+#endif /* isstate_INCLUDED */
diff --git a/pstoraster/istack.c b/pstoraster/istack.c
new file mode 100644
index 000000000..2fc191e08
--- /dev/null
+++ b/pstoraster/istack.c
@@ -0,0 +1,588 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Ghostscript expandable stack manager */
+#include "memory_.h"
+#include "ghost.h"
+#include "gsstruct.h"
+#include "gsutil.h"
+#include "errors.h"
+#include "ialloc.h"
+#include "istack.h"
+#include "istruct.h"		/* for RELOC_REF_VAR */
+#include "iutil.h"
+#include "ivmspace.h"		/* for local/global test */
+#include "store.h"
+
+/* Forward references */
+private void init_block(P3(ref_stack *, ref *, uint));
+int ref_stack_push_block(P3(ref_stack *, uint, uint));
+
+/* GC procedures */
+#define sptr ((ref_stack *)vptr)
+private 
+CLEAR_MARKS_PROC(ref_stack_clear_marks)
+{
+    r_clear_attrs(&sptr->current, l_mark);
+}
+private 
+ENUM_PTRS_BEGIN(ref_stack_enum_ptrs) return 0;
+
+case 0:
+ENUM_RETURN_REF(&sptr->current);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(ref_stack_reloc_ptrs)
+{
+    /* Note that the relocation must be a multiple of sizeof(ref_packed) */
+    /* * align_packed_per_ref, but it need not be a multiple of */
+    /* sizeof(ref).  Therefore, we must do the adjustments using */
+    /* ref_packed pointers rather than ref pointers. */
+    ref_packed *bot = (ref_packed *) sptr->current.value.refs;
+    long reloc;
+
+    RELOC_REF_VAR(sptr->current);
+    r_clear_attrs(&sptr->current, l_mark);
+    reloc = bot - (ref_packed *) sptr->current.value.refs;
+#define RELOC_P(p)\
+  sptr->p = (ref *)((ref_packed *)sptr->p - reloc);
+    RELOC_P(p);
+    RELOC_P(bot);
+    RELOC_P(top);
+#undef RELOC_P
+} RELOC_PTRS_END
+/* Structure type for a ref_stack. */
+public_st_ref_stack();
+
+/* Initialize a stack. */
+void
+ref_stack_init(ref_stack * pstack, ref * psb, uint bot_guard, uint top_guard,
+	       ref * pguard, gs_ref_memory_t * mem)
+{
+    uint size = r_size(psb);
+    uint avail = size - (stack_block_refs + bot_guard + top_guard);
+    ref_stack_block *pblock = (ref_stack_block *) psb->value.refs;
+    s_ptr body = (s_ptr) (pblock + 1);
+
+    pstack->bot = body + bot_guard;
+    pstack->p = pstack->bot - 1;
+    pstack->top = pstack->p + avail;
+    pstack->current = *psb;
+    pstack->extension_size = 0;
+    pstack->extension_used = 0;
+
+    make_int(&pstack->max_stack, avail);
+    pstack->requested = 0;
+    pstack->margin = 0;
+    pstack->body_size = avail;
+
+    pstack->bot_guard = bot_guard;
+    pstack->top_guard = top_guard;
+    pstack->block_size = size;
+    pstack->data_size = avail;
+    if (pguard != 0)
+	pstack->guard_value = *pguard;
+    else
+	make_tav(&pstack->guard_value, t__invalid, 0, intval, 0);
+    pstack->underflow_error = -1;	/* bogus, caller must set */
+    pstack->overflow_error = -1;	/* bogus, caller must set */
+    pstack->allow_expansion = true;	/* default, caller may reset */
+    pstack->memory = mem;
+    init_block(pstack, psb, 0);
+    refset_null(pstack->bot, avail);
+    make_empty_array(&pblock->next, 0);
+}
+
+/* Set the maximum number of elements allowed on a stack. */
+int
+ref_stack_set_max_count(ref_stack * pstack, long nmax)
+{
+    uint nmin = ref_stack_count_inline(pstack);
+
+    if (nmax < nmin)
+	nmax = nmin;
+    if (nmax > max_uint / sizeof(ref))
+	nmax = max_uint / sizeof(ref);
+    if (!pstack->allow_expansion) {
+	uint ncur = pstack->body_size;
+
+	if (nmax > ncur)
+	    nmax = ncur;
+    }
+    pstack->max_stack.value.intval = nmax;
+    return 0;
+}
+
+/* Set the margin between the limit and the top of the stack. */
+/* Note that this may require allocating a block. */
+int
+ref_stack_set_margin(ref_stack * pstack, uint margin)
+{
+    if (margin <= pstack->margin) {
+	refset_null(pstack->top + 1, pstack->margin - margin);
+    } else {
+	if (margin > pstack->data_size >> 1)
+	    return_error(e_rangecheck);
+	if (pstack->top - pstack->p < margin) {
+	    uint used = pstack->p + 1 - pstack->bot;
+	    uint keep = pstack->data_size - margin;
+	    int code = ref_stack_push_block(pstack, keep, used - keep);
+
+	    if (code < 0)
+		return code;
+	}
+    }
+    pstack->margin = margin;
+    pstack->body_size = pstack->data_size - margin;
+    pstack->top = pstack->bot + pstack->body_size - 1;
+    return 0;
+}
+
+/* Return the number of elements on a stack. */
+uint
+ref_stack_count(const ref_stack * pstack)
+{
+    return pstack->extension_used + (pstack->p - pstack->bot + 1);
+}
+
+/* Retrieve a given element from the stack, counting from */
+/* 0 as the top element. */
+ref *
+ref_stack_index(const ref_stack * pstack, long idx)
+{
+    ref_stack_block *pblock;
+    uint used = pstack->p + 1 - pstack->bot;
+
+    if (idx < 0)
+	return NULL;
+    if (idx < used)		/* common case */
+	return pstack->p - (uint) idx;
+    pblock = (ref_stack_block *) pstack->current.value.refs;
+    do {
+	pblock = (ref_stack_block *) pblock->next.value.refs;
+	if (pblock == 0)
+	    return NULL;
+	idx -= used;
+	used = r_size(&pblock->used);
+    } while (idx >= used);
+    return pblock->used.value.refs + (used - 1 - (uint) idx);
+}
+
+/* Count the number of elements down to and including the first mark. */
+/* If no mark is found, return 0. */
+uint
+ref_stack_counttomark(const ref_stack * pstack)
+{
+    uint scanned = 0;
+    ref_stack_enum_t rsenum;
+
+    ref_stack_enum_begin(&rsenum, pstack);
+    do {
+	uint count = rsenum.size;
+	const ref *p = rsenum.ptr + count - 1;
+
+	for (; count; count--, p--)
+	    if (r_has_type(p, t_mark))
+		return scanned + (rsenum.size - count + 1);
+	scanned += rsenum.size;
+    } while (ref_stack_enum_next(&rsenum));
+    return 0;
+}
+
+/* Do the store check for storing elements of a stack into an array. */
+/* May return e_invalidaccess. */
+int
+ref_stack_store_check(const ref_stack * pstack, ref * parray, uint count,
+		      uint skip)
+{
+    uint space = r_space(parray);
+
+    if (space != avm_local) {
+	uint left = count, pass = skip;
+	ref_stack_enum_t rsenum;
+
+	ref_stack_enum_begin(&rsenum, pstack);
+	do {
+	    ref *ptr = rsenum.ptr;
+	    uint size = rsenum.size;
+
+	    if (size <= pass)
+		pass -= size;
+	    else {
+		int code;
+
+		if (pass != 0)
+		    size -= pass, pass = 0;
+		ptr += size;
+		if (size > left)
+		    size = left;
+		left -= size;
+		code = refs_check_space(ptr - size, size, space);
+		if (code < 0)
+		    return code;
+		if (left == 0)
+		    break;
+	    }
+	} while (ref_stack_enum_next(&rsenum));
+    }
+    return 0;
+}
+
+/* Store the top elements of a stack into an array, */
+/* with or without store/undo checking. */
+/* May return e_rangecheck or e_invalidaccess. */
+int
+ref_stack_store(const ref_stack * pstack, ref * parray, uint count, uint skip,
+		int age, bool check, client_name_t cname)
+{
+    uint left, pass;
+    ref *to;
+    ref_stack_enum_t rsenum;
+
+    if (count > ref_stack_count(pstack) || count > r_size(parray))
+	return_error(e_rangecheck);
+    if (check) {
+	int code = ref_stack_store_check(pstack, parray, count, skip);
+
+	if (code < 0)
+	    return code;
+    }
+    to = parray->value.refs + count;
+    left = count, pass = skip;
+    ref_stack_enum_begin(&rsenum, pstack);
+    do {
+	ref *from = rsenum.ptr;
+	uint size = rsenum.size;
+
+	if (size <= pass)
+	    pass -= size;
+	else {
+	    if (pass != 0)
+		size -= pass, pass = 0;
+	    from += size;
+	    if (size > left)
+		size = left;
+	    left -= size;
+	    switch (age) {
+	    case -1:		/* not an array */
+		while (size--) {
+		    from--, to--;
+		    ref_assign(to, from);
+		}
+		break;
+	    case 0:		/* old array */
+		while (size--) {
+		    from--, to--;
+		    ref_assign_old(parray, to, from, cname);
+		}
+		break;
+	    case 1:		/* new array */
+		while (size--) {
+		    from--, to--;
+		    ref_assign_new(to, from);
+		}
+		break;
+	    }
+	    if (left == 0)
+		break;
+	}
+    } while (ref_stack_enum_next(&rsenum));
+    r_set_size(parray, count);
+    return 0;
+}
+
+/* Pop a given number of elements off a stack. */
+/* The number must not exceed the number of elements in use. */
+void
+ref_stack_pop(ref_stack * pstack, uint count)
+{
+    uint used;
+
+    while ((used = pstack->p + 1 - pstack->bot) < count) {
+	count -= used;
+	pstack->p = pstack->bot - 1;
+	ref_stack_pop_block(pstack);
+    }
+    pstack->p -= count;
+}
+
+/* Pop the top block off a stack. */
+int
+ref_stack_pop_block(ref_stack * pstack)
+{
+    s_ptr bot = pstack->bot;
+    uint count = pstack->p + 1 - bot;
+    ref_stack_block *pcur =
+    (ref_stack_block *) pstack->current.value.refs;
+    ref_stack_block *pnext =
+    (ref_stack_block *) pcur->next.value.refs;
+    uint used;
+    ref *body;
+    ref next;
+
+    if (pnext == 0)
+	return_error(pstack->underflow_error);
+    used = r_size(&pnext->used);
+    body = (ref *) (pnext + 1) + pstack->bot_guard;
+    next = pcur->next;
+    /*
+       * If the contents of the two blocks won't fit in a single block, we
+       * move up the used part of the top block, and copy up as much of
+       * the contents of the next block under it as will fit.  If the
+       * contents of both blocks fit in a single block, we copy the used
+       * part of the top block to the top of the next block, and free the
+       * top block.
+     */
+    if (used + count > pstack->body_size) {
+	/*
+	 * The contents of the two blocks won't fit into a single block.
+	 * On the assumption that we're recovering from a local stack
+	 * underflow and need to increase the number of contiguous
+	 * elements available, move up the used part of the top block, and
+	 * copy up as much of the contents of the next block under it as
+	 * will fit.
+	 */
+	uint moved = pstack->body_size - count;
+	uint left;
+
+	if (moved == 0)
+	    return_error(e_Fatal);
+	memmove(bot + moved, bot, count * sizeof(ref));
+	left = used - moved;
+	memcpy(bot, body + left, moved * sizeof(ref));
+	refset_null(body + left, moved);
+	r_dec_size(&pnext->used, moved);
+	pstack->p = pstack->top;
+	pstack->extension_used -= moved;
+    } else {
+	/*
+	   * The contents of the two blocks will fit into a single block.
+	   * Copy the used part of the top block to the top of the next
+	   * block, and free the top block.
+	 */
+	memcpy(body + used, bot, count * sizeof(ref));
+	pstack->bot = bot = body;
+	pstack->top = bot + pstack->body_size - 1;
+	gs_free_ref_array(pstack->memory, &pstack->current,
+			  "ref_stack_pop_block");
+	pstack->current = next;
+	pstack->p = bot + (used + count - 1);
+	pstack->extension_size -= pstack->body_size;
+	pstack->extension_used -= used;
+    }
+    return 0;
+}
+
+/* Extend a stack to recover from an overflow condition. */
+/* May return overflow_error or e_VMerror. */
+int
+ref_stack_extend(ref_stack * pstack, uint request)
+{
+    uint keep = (pstack->top - pstack->bot + 1) / 3;
+    uint count = pstack->p - pstack->bot + 1;
+
+    if (request > pstack->data_size)
+	return_error(pstack->overflow_error);
+    if (keep + request > pstack->body_size)
+	keep = pstack->body_size - request;
+    if (keep > count)
+	keep = count;		/* required by ref_stack_push_block */
+    return ref_stack_push_block(pstack, keep, request);
+}
+
+/* Push N empty slots onto a stack.  These slots are not initialized; */
+/* the caller must fill them immediately.  May return overflow_error */
+/* (if max_stack would be exceeded, or the stack has no allocator) */
+/* or e_VMerror. */
+int
+ref_stack_push(ref_stack * pstack, uint count)
+{
+    /* Don't bother to pre-check for overflow: we must be able to */
+    /* back out in the case of a VMerror anyway, and */
+    /* ref_stack_push_block will make the check itself. */
+    uint needed = count;
+    uint added;
+
+    for (; (added = pstack->top - pstack->p) < needed; needed -= added) {
+	int code;
+
+	pstack->p = pstack->top;
+	code = ref_stack_push_block(pstack,
+				    (pstack->top - pstack->bot + 1) / 3,
+				    added);
+	if (code < 0) {
+	    /* Back out. */
+	    ref_stack_pop(pstack, count - needed + added);
+	    pstack->requested = count;
+	    return code;
+	}
+    }
+    pstack->p += needed;
+    return 0;
+}
+
+/* Push a block onto the stack, specifying how many elements of */
+/* the current top block should remain in the top block and also */
+/* how many elements we are trying to add. */
+/* May return overflow_error or e_VMerror. */
+/* Must have keep <= count. */
+int
+ref_stack_push_block(ref_stack * pstack, uint keep, uint add)
+{
+    uint count = pstack->p - pstack->bot + 1;
+    uint move = count - keep;
+    ref_stack_block *pcur = (ref_stack_block *) pstack->current.value.refs;
+    ref next;
+    ref_stack_block *pnext;
+    ref *body;
+    int code;
+
+    if (keep > count)
+	return_error(e_Fatal);
+    /* Check for overflowing the maximum size, */
+    /* or expansion not allowed.  */
+    if (pstack->memory == 0 ||
+	pstack->extension_used + (pstack->top - pstack->bot) + add >=
+	pstack->max_stack.value.intval ||
+	!pstack->allow_expansion
+	)
+	return_error(pstack->overflow_error);
+    code = gs_alloc_ref_array(pstack->memory, &next, 0,
+			      pstack->block_size, "ref_stack_push_block");
+    if (code < 0)
+	return code;
+    pnext = (ref_stack_block *) next.value.refs;
+    body = (ref *) (pnext + 1);
+    /* Copy the top keep elements into the new block, */
+    /* and make the new block the top block. */
+    init_block(pstack, &next, keep);
+    body += pstack->bot_guard;
+    memcpy(body, pstack->bot + move, keep * sizeof(ref));
+    /* Clear the elements above the top of the new block. */
+    refset_null(body + keep, pstack->data_size - keep);
+    /* Clear the elements above the top of the old block. */
+    refset_null(pstack->bot + move, keep);
+    pnext->next = pstack->current;
+    pcur->used.value.refs = pstack->bot;
+    r_set_size(&pcur->used, move);
+    pstack->current = next;
+    pstack->bot = body;
+    pstack->top = pstack->bot + pstack->body_size - 1;
+    pstack->p = pstack->bot + keep - 1;
+    pstack->extension_size += pstack->body_size;
+    pstack->extension_used += move;
+    return 0;
+}
+
+/* Begin enumerating the blocks of a stack. */
+void
+ref_stack_enum_begin(ref_stack_enum_t *prse, const ref_stack *pstack)
+{
+    prse->block = (ref_stack_block *)pstack->current.value.refs;
+    prse->ptr = pstack->bot;
+    prse->size = pstack->p + 1 - pstack->bot;
+}
+
+bool
+ref_stack_enum_next(ref_stack_enum_t *prse)
+{
+    ref_stack_block *block =
+	prse->block = (ref_stack_block *)prse->block->next.value.refs;
+
+    if (block == 0)
+	return false;
+    prse->ptr = block->used.value.refs;
+    prse->size = r_size(&block->used);
+    return true;
+}
+
+/* Clean up a stack for garbage collection. */
+void
+ref_stack_cleanup(ref_stack * pstack)
+{
+    ref_stack_block *pblock =
+    (ref_stack_block *) pstack->current.value.refs;
+
+    refset_null(pstack->p + 1, pstack->top - pstack->p);
+    pblock->used = pstack->current;	/* set attrs */
+    pblock->used.value.refs = pstack->bot;
+    r_set_size(&pblock->used, pstack->p + 1 - pstack->bot);
+}
+
+/*
+ * Free the entire contents of a stack, including the bottom block.
+ * The client must free the ref_stack itself.  Note that after calling
+ * ref_stack_release, the stack is no longer usable.
+ */
+void
+ref_stack_release(ref_stack * pstack)
+{
+    ref_stack_clear(pstack);
+    /* Free the original (bottom) block. */
+    gs_free_ref_array(pstack->memory, &pstack->current,
+		      "ref_stack_release");
+}
+
+/*
+ * Release a stack and then free the ref_stack object.
+ */
+void
+ref_stack_free(ref_stack * pstack, gs_memory_t * mem, client_name_t cname)
+{
+    ref_stack_release(pstack);
+    gs_free_object(mem, pstack, cname);
+}
+
+/* ------ Internal routines ------ */
+
+/* Initialize the guards and body of a stack block. */
+private void
+init_block(ref_stack * pstack, ref * psb, uint used)
+{
+    ref *brefs = psb->value.refs;
+    uint i;
+    ref *p;
+
+    for (i = pstack->bot_guard, p = brefs + stack_block_refs;
+	 i != 0; i--, p++
+	)
+	ref_assign(p, &pstack->guard_value);
+    /* The top guard elements will never be read, */
+    /* but we need to initialize them for the sake of the GC. */
+    /* We can use refset_null for this, because even though it uses */
+    /* make_null_new and stack elements must not be marked new, */
+    /* these slots will never actually be read or written. */
+    if (pstack->top_guard) {
+	ref *top = brefs + r_size(psb);
+	int top_guard = pstack->top_guard;
+
+	refset_null(top - top_guard, top_guard);
+    } {
+	ref_stack_block *const pblock = (ref_stack_block *) brefs;
+
+	pblock->used = *psb;
+	pblock->used.value.refs = brefs + stack_block_refs + pstack->bot_guard;
+	r_set_size(&pblock->used, 0);
+    }
+}
diff --git a/pstoraster/istack.h b/pstoraster/istack.h
new file mode 100644
index 000000000..deacf36d2
--- /dev/null
+++ b/pstoraster/istack.h
@@ -0,0 +1,256 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for expandable Ghostscript stacks */
+/* Requires iref.h */
+
+#ifndef istack_INCLUDED
+#  define istack_INCLUDED
+
+/* Define an opaque allocator type. */
+#ifndef gs_ref_memory_DEFINED
+#  define gs_ref_memory_DEFINED
+typedef struct gs_ref_memory_s gs_ref_memory_t;
+#endif
+
+/*
+ * The 3 principal Ghostscript stacks (operand, execution, and dictionary)
+ * are implemented as a linked list of blocks.
+ *
+ * Since all operators exit cleanly in case of stack under- or overflow,
+ * we handle all issues related to stack blocks in the top-level error
+ * recovery code in interp.c.  A few situations require special treatment:
+ * see ostack.h, estack.h, and dstack.h for details.
+ */
+
+typedef ref *s_ptr;
+typedef const ref *const_s_ptr;
+
+/*
+ * Define the structure for a stack block.
+ * In order to simplify allocation, stack blocks are implemented as
+ * t_array objects, with the first few elements used for special purposes.
+ * The actual layout is as follows:
+ *              ref_stack_block structure
+ *              bottom guard if any (see below)
+ *              used elements of block
+ *              unused elements of block
+ *              top guard if any (see below)
+ * The `next' member of the next higher stack block includes all of this.
+ * The `used' member only includes the used elements of this block.
+ * Notes:
+ *      - In the top block, the size of the `used' member may not be correct.
+ *      - In all blocks but the top, we fill the unused elements with nulls.
+ */
+typedef struct ref_stack_block_s {
+    ref next;			/* t_array, next lower block on stack */
+    ref used;			/* t_array, subinterval of this block */
+    /* Actual stack starts here */
+} ref_stack_block;
+
+#define stack_block_refs (sizeof(ref_stack_block) / sizeof(ref))
+
+/*
+ * In order to detect under- and overflow with minimum overhead, we put
+ * guard elements at the top and bottom of each stack block (see dstack.h,
+ * estack.h, and ostack.h for details of the individual stacks).  Note that
+ * the 'current' and 'next' arrays include the guard elements.
+ */
+
+/*
+ * The garbage collector requires that the entire contents of every block
+ * be 'clean', i.e., contain legitimate refs; we also need to ensure that
+ * at GC time, pointers in unused areas of a block will not be followed
+ * (since they may be dangling).  We ensure this as follows:
+ *      - When allocating a new block, we set the entire body to nulls.
+ *      This is necessary because the block may be freed before the next GC,
+ *      and the GC must be able to scan (parse) refs even if they are free.
+ *      - When adding a new block to the top of the stack, we set to nulls
+ *      the unused area of the new next-to-top blocks.
+ *      - At the beginning of garbage collection, we set to nulls the unused
+ *      elements of the top block.
+ */
+
+/*
+ * Define the (statically allocated) state of a stack.
+ * Note that the total size of a stack cannot exceed max_uint,
+ * because it has to be possible to copy a stack to a PostScript array.
+ */
+#ifndef ref_stack_DEFINED
+typedef struct ref_stack_s ref_stack;	/* also defined in idebug.h */
+#  define ref_stack_DEFINED
+#endif
+struct ref_stack_s {
+    /* Following are updated dynamically. */
+    s_ptr p;			/* current top element */
+    /* Following are updated when adding or deleting blocks. */
+    s_ptr bot;			/* bottommost valid element */
+    s_ptr top;			/* topmost valid element = */
+				/* bot + data_size */
+    ref current;		/* t_array for current top block */
+    uint extension_size;	/* total sizes of extn. blocks */
+    uint extension_used;	/* total used sizes of extn. blocks */
+    /* Following are updated rarely. */
+    ref max_stack;		/* t_integer, Max...Stack user param */
+    uint requested;		/* amount of last failing */
+				/* push or pop request */
+    uint margin;		/* # of slots to leave between limit */
+				/* and top */
+    uint body_size;		/* data_size - margin */
+    /* Following are set at initialization. */
+    uint bot_guard;		/* # of guard elements below bot */
+    uint top_guard;		/* # of guard elements above top */
+    uint block_size;		/* size of each block */
+    uint data_size;		/* # of data slots in each block */
+    ref guard_value;		/* t__invalid or t_operator, */
+				/* bottom guard value */
+    int underflow_error;	/* error code for underflow */
+    int overflow_error;		/* error code for overflow */
+    bool allow_expansion;	/* if false, don't expand */
+    gs_ref_memory_t *memory;	/* allocator for blocks */
+};
+#define public_st_ref_stack()	/* in istack.c */\
+  gs_public_st_complex_only(st_ref_stack, ref_stack, "ref_stack",\
+    ref_stack_clear_marks, ref_stack_enum_ptrs, ref_stack_reloc_ptrs, 0)
+#define st_ref_stack_num_ptrs 1	/* current */
+
+/* ------ Procedural interface ------ */
+
+/* Initialize a stack. */
+void ref_stack_init(P6(ref_stack *, ref *, uint, uint, ref *,
+		       gs_ref_memory_t *));
+
+/* Set the maximum number of elements allowed on a stack. */
+/* Note that the value is a long, not a uint or a ulong. */
+int ref_stack_set_max_count(P2(ref_stack *, long));
+
+/* Set the margin between the limit and the top of the stack. */
+/* Note that this may require allocating a block. */
+int ref_stack_set_margin(P2(ref_stack *, uint));
+
+/* Return the number of elements on a stack. */
+uint ref_stack_count(P1(const ref_stack *));
+
+#define ref_stack_count_inline(pstk)\
+  ((pstk)->p + 1 - (pstk)->bot + (pstk)->extension_used)
+
+/* Return the maximum number of elements allowed on a stack. */
+#define ref_stack_max_count(pstk) (uint)((pstk)->max_stack.value.intval)
+
+/* Return a pointer to a given element from the stack, counting from */
+/* 0 as the top element.  If the index is out of range, return 0. */
+/* Note that the index is a long, not a uint or a ulong. */
+ref *ref_stack_index(P2(const ref_stack *, long));
+
+/* Count the number of elements down to and including the first mark. */
+/* If no mark is found, return 0. */
+uint ref_stack_counttomark(P1(const ref_stack *));
+
+/*
+ * Do the store check for storing 'count' elements of a stack, starting
+ * 'skip' elements below the top, into an array.  Return 0 or e_invalidaccess.
+ */
+int ref_stack_store_check(P4(const ref_stack * pstack, ref * parray,
+			     uint count, uint skip));
+
+/*
+ * Store 'count elements of a stack, starting 'skip' elements below the top,
+ * into an array, with or without store/undo checking.
+ * age=-1 for no check, 0 for old, 1 for new.
+ * May return e_rangecheck or e_invalidaccess.
+ */
+int ref_stack_store(P7(const ref_stack * pstack, ref * parray, uint count,
+		       uint skip, int age, bool check, client_name_t cname));
+
+/* Pop the top N elements off a stack. */
+/* The number must not exceed the number of elements in use. */
+void ref_stack_pop(P2(ref_stack *, uint));
+
+#define ref_stack_clear(pstk) ref_stack_pop(pstk, ref_stack_count(pstk))
+#define ref_stack_pop_to(pstk, depth)\
+  ref_stack_pop(pstk, ref_stack_count(pstk) - (depth))
+
+/* Pop the top block off a stack. */
+/* May return underflow_error. */
+int ref_stack_pop_block(P1(ref_stack *));
+
+/* Extend a stack to recover from an overflow condition. */
+/* Uses the requested value to decide what to do. */
+/* May return overflow_error or e_VMerror. */
+int ref_stack_extend(P2(ref_stack *, uint));
+
+/* Push N empty slots onto a stack.  These slots are not initialized; */
+/* the caller must immediately fill them.  May return overflow_error */
+/* (if max_stack would be exceeded, or the stack has no allocator) */
+/* or e_VMerror. */
+int ref_stack_push(P2(ref_stack *, uint));
+
+/*
+ * Enumerate the blocks of a stack from top to bottom, as follows:
+
+   ref_stack_enum_t rsenum;
+
+   ref_stack_enum_begin(&rsenum, pstack);
+   do {
+      ... process rsenum.size refs starting at rsenum.ptr ...
+   } while (ref_stack_enum_next(&rsenum));
+
+ */
+typedef struct ref_stack_enum_s {
+    ref_stack_block *block;
+    ref *ptr;
+    uint size;
+} ref_stack_enum_t;
+void ref_stack_enum_begin(P2(ref_stack_enum_t *, const ref_stack *));
+bool ref_stack_enum_next(P1(ref_stack_enum_t *));
+
+/* Define a previous enumeration structure, for backward compatibility. */
+#define STACK_LOOP_BEGIN(pstack, ptrv, sizev)\
+{ ref_stack_enum_t enum_;\
+  ref_stack_enum_begin(&enum_, pstack);\
+  do {\
+    ref *ptrv = enum_.ptr;\
+    uint sizev = enum_.size;
+#define STACK_LOOP_END(ptrv, sizev)\
+  } while (ref_stack_enum_next(&enum_));\
+}
+
+/* Clean up a stack for garbage collection. */
+void ref_stack_cleanup(P1(ref_stack *));
+
+/*
+ * Free the entire contents of a stack, including the bottom block.
+ * The client must free the ref_stack itself.  Note that after calling
+ * ref_stack_release, the stack is no longer usable.
+ */
+void ref_stack_release(P1(ref_stack *));
+
+/*
+ * Release a stack and then free the ref_stack object.
+ */
+void ref_stack_free(P3(ref_stack * pstack, gs_memory_t * mem,
+		       client_name_t cname));
+
+#endif /* istack_INCLUDED */
diff --git a/pstoraster/istream.h b/pstoraster/istream.h
new file mode 100644
index 000000000..f1019f49b
--- /dev/null
+++ b/pstoraster/istream.h
@@ -0,0 +1,43 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h, ostack.h */
+
+#ifndef istream_INCLUDED
+#  define istream_INCLUDED
+
+/* Procedures exported by zfproc.c */
+	/* for zfilter.c - procedure stream initialization */
+int sread_proc(P2(ref *, stream **));
+int swrite_proc(P2(ref *, stream **));
+
+	/* for interp.c, zfileio.c, zpaint.c - handle a procedure */
+	/* callback or an interrupt */
+int s_handle_read_exception(P5(int, const ref *, const ref *, int,
+			       int (*)(P1(os_ptr))));
+int s_handle_write_exception(P5(int, const ref *, const ref *, int,
+				int (*)(P1(os_ptr))));
+
+#endif /* istream_INCLUDED */
diff --git a/pstoraster/istruct.h b/pstoraster/istruct.h
new file mode 100644
index 000000000..082327028
--- /dev/null
+++ b/pstoraster/istruct.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interpreter-level extension of gsstruct.h */
+
+#ifndef istruct_INCLUDED
+#  define istruct_INCLUDED
+
+#include "gsstruct.h"
+
+/* ================ Refs ================ */
+
+/*
+ * Define the pointer type for refs.  Note that if a structure contains refs,
+ * both its clear_marks and its reloc_ptrs procedure must unmark them,
+ * since the GC will never see the refs during the unmarking sweep.
+ */
+extern const gs_ptr_procs_t ptr_ref_procs;
+#define ptr_ref_type (&ptr_ref_procs)
+
+/* The structure type descriptor for (blocks of) refs. */
+/* This is defined in igc.c and exported for isave.c. */
+extern_st(st_refs);
+
+/*
+ * Extend the GC procedure vector to include refs.
+ */
+#define refs_proc_reloc(proc)\
+  void proc(P3(ref_packed *from, ref_packed *to, gc_state_t *gcst))
+typedef struct gc_procs_with_refs_s {
+    gc_procs_common;
+    /* Relocate a pointer to a ref[_packed]. */
+    ptr_proc_reloc((*reloc_ref_ptr), ref_packed);
+    /* Relocate a block of ref[_packed]s. */
+    refs_proc_reloc((*reloc_refs));
+} gc_procs_with_refs_t;
+
+#undef gc_proc
+#define gc_proc(gcst, proc) ((*(const gc_procs_with_refs_t **)(gcst))->proc)
+
+/*
+ * Define enumeration and relocation macros analogous to those for
+ * structures and strings.  (We should go back and change the names of
+ * those macros to be consistent which these, which are better, but it's
+ * not worth the trouble.)
+ */
+#define ENUM_RETURN_REF(ptr)\
+  BEGIN *pep = (const void *)(ptr); return ptr_ref_type; END
+#define ENUM_RETURN_REF_MEMBER(typ, memb)\
+  ENUM_RETURN_REF(&((typ *)vptr)->memb)
+#define RELOC_REF_PTR_VAR(ptrvar)\
+  ptrvar = (*gc_proc(gcst, reloc_ref_ptr))((const void *)(ptrvar), gcst)
+#define RELOC_REF_PTR_MEMBER(typ, memb)\
+  RELOC_REF_PTR_VAR(((typ *)vptr)->memb)
+#define RELOC_REFS(from, upto)\
+  (*gc_proc(gcst, reloc_refs))((ref_packed *)(from), (ref_packed *)(upto), gcst)
+#define RELOC_REF_VAR(refvar)\
+  RELOC_REFS(&(refvar), &(refvar) + 1)
+
+/*
+ * Define an object allocated as a struct, but actually containing refs.
+ * Such objects are useful as the client_data of library structures
+ * (currently only gstates and fonts).
+ */
+struct_proc_clear_marks(ref_struct_clear_marks);
+struct_proc_enum_ptrs(ref_struct_enum_ptrs);
+struct_proc_reloc_ptrs(ref_struct_reloc_ptrs);
+#define gs__st_ref_struct(scope_st, stname, stype, sname)\
+  gs__st_complex_only(scope_st, stname, stype, sname, ref_struct_clear_marks,\
+    ref_struct_enum_ptrs, ref_struct_reloc_ptrs, 0)
+#define gs_public_st_ref_struct(stname, stype, sname)\
+  gs__st_ref_struct(public_st, stname, stype, sname)
+#define gs_private_st_ref_struct(stname, stype, sname)\
+  gs__st_ref_struct(private_st, stname, stype, sname)
+
+#endif /* istruct_INCLUDED */
diff --git a/pstoraster/iutil.c b/pstoraster/iutil.c
new file mode 100644
index 000000000..55d1fdaa1
--- /dev/null
+++ b/pstoraster/iutil.c
@@ -0,0 +1,676 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Utilities for Ghostscript interpreter */
+#include "math_.h"		/* for fabs */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "errors.h"
+#include "idict.h"
+#include "imemory.h"
+#include "iname.h"
+#include "ipacked.h"		/* for array_get */
+#include "iutil.h"		/* for checking prototypes */
+#include "ivmspace.h"
+#include "oper.h"
+#include "store.h"
+#include "gsccode.h"		/* for gxfont.h */
+#include "gsmatrix.h"
+#include "gsutil.h"
+#include "gxfont.h"
+
+/* ------ Object utilities ------ */
+
+/* Define the table of ref type properties. */
+const byte ref_type_properties[] =
+{
+    ref_type_properties_data
+};
+
+/* Copy refs from one place to another. */
+int
+refcpy_to_old(ref * aref, uint index, const ref * from,
+	      uint size, client_name_t cname)
+{
+    ref *to = aref->value.refs + index;
+    int code = refs_check_space(from, size, r_space(aref));
+
+    if (code < 0)
+	return code;
+    /* We have to worry about aliasing.... */
+    if (to <= from || from + size <= to)
+	while (size--)
+	    ref_assign_old(aref, to, from, cname), to++, from++;
+    else
+	for (from += size, to += size; size--;)
+	    from--, to--, ref_assign_old(aref, to, from, cname);
+    return 0;
+}
+void
+refcpy_to_new(ref * to, const ref * from, uint size)
+{
+    while (size--)
+	ref_assign_new(to, from), to++, from++;
+}
+
+/* Fill a new object with nulls. */
+void
+refset_null(ref * to, uint size)
+{
+    while (size--)
+	make_null_new(to), to++;
+}
+
+/* Compare two objects for equality. */
+bool
+obj_eq(const ref * pref1, const ref * pref2)
+{
+    ref nref;
+
+    if (r_type(pref1) != r_type(pref2)) {
+	/*
+	 * Only a few cases need be considered here:
+	 * integer/real (and vice versa), name/string (and vice versa),
+	 * and extended operators.
+	 */
+	switch (r_type(pref1)) {
+	    case t_integer:
+		return (r_has_type(pref2, t_real) &&
+			pref2->value.realval == pref1->value.intval);
+	    case t_real:
+		return (r_has_type(pref2, t_integer) &&
+			pref2->value.intval == pref1->value.realval);
+	    case t_name:
+		if (!r_has_type(pref2, t_string))
+		    return false;
+		name_string_ref(pref1, &nref);
+		pref1 = &nref;
+		break;
+	    case t_string:
+		if (!r_has_type(pref2, t_name))
+		    return false;
+		name_string_ref(pref2, &nref);
+		pref2 = &nref;
+		break;
+	    default:
+		if (r_btype(pref1) != r_btype(pref2))
+		    return false;
+	}
+    }
+    /*
+     * Now do a type-dependent comparison.  This would be very simple if we
+     * always filled in all the bytes of a ref, but we currently don't.
+     */
+    switch (r_btype(pref1)) {
+	case t_array:
+	    return (pref1->value.refs == pref2->value.refs &&
+		    r_size(pref1) == r_size(pref2));
+	case t_mixedarray:
+	case t_shortarray:
+	    return (pref1->value.packed == pref2->value.packed &&
+		    r_size(pref1) == r_size(pref2));
+	case t_boolean:
+	    return (pref1->value.boolval == pref2->value.boolval);
+	case t_dictionary:
+	    return (pref1->value.pdict == pref2->value.pdict);
+	case t_file:
+	    return (pref1->value.pfile == pref2->value.pfile &&
+		    r_size(pref1) == r_size(pref2));
+	case t_integer:
+	    return (pref1->value.intval == pref2->value.intval);
+	case t_mark:
+	case t_null:
+	    return true;
+	case t_name:
+	    return (pref1->value.pname == pref2->value.pname);
+	case t_oparray:
+	case t_operator:
+	    return (op_index(pref1) == op_index(pref2));
+	case t_real:
+	    return (pref1->value.realval == pref2->value.realval);
+	case t_save:
+	    return (pref2->value.saveid == pref1->value.saveid);
+	case t_string:
+	    return (!bytes_compare(pref1->value.bytes, r_size(pref1),
+				   pref2->value.bytes, r_size(pref2)));
+	case t_device:
+	    return (pref1->value.pdevice == pref2->value.pdevice);
+	case t_struct:
+	case t_astruct:
+	    return (pref1->value.pstruct == pref2->value.pstruct);
+	case t_fontID:
+	    {	/*
+		 * In the Adobe implementations, different scalings of a
+		 * font have "equal" FIDs, so we do the same.
+		 */
+		const gs_font *pfont1 = r_ptr(pref1, gs_font);
+		const gs_font *pfont2 = r_ptr(pref2, gs_font);
+
+		while (pfont1->base != pfont1)
+		    pfont1 = pfont1->base;
+		while (pfont2->base != pfont2)
+		    pfont2 = pfont2->base;
+		return (pfont1 == pfont2);
+	    }
+    }
+    return false;		/* shouldn't happen! */
+}
+
+/* Compare two objects for identity. */
+bool
+obj_ident_eq(const ref * pref1, const ref * pref2)
+{
+    if (r_type(pref1) != r_type(pref2))
+	return false;
+    if (r_has_type(pref1, t_string))
+	return (pref1->value.bytes == pref2->value.bytes &&
+		r_size(pref1) == r_size(pref2));
+    return obj_eq(pref1, pref2);
+}
+
+/*
+ * Create a printable representation of an object, a la cvs (full_print =
+ * false) or == (full_print = true).  Return 0 if OK, <0 if the destination
+ * wasn't large enough or the object's contents weren't readable.
+ * If the object was a string or name, store a pointer to its characters
+ * even if it was too large.
+ */
+private void ensure_dot(P1(char *));
+int
+obj_cvp(const ref * op, byte * str, uint len, uint * prlen,
+	const byte ** pchars, bool full_print)
+{
+    if (full_print)
+	switch (r_btype(op)) {
+	    case t_boolean:
+	    case t_integer:
+		break;
+	    case t_real:
+	    /*
+	     * To get fully accurate output results for IEEE single-
+	     * precision floats (24 bits of mantissa), the ANSI
+	     * %g default of 6 digits is not enough; 9 are needed.
+	     * Unfortunately, using %.9g for floats (as opposed to
+	     * doubles) produces unfortunate artifacts such as 0.01 5 mul
+	     * printing as 0.049999997.  Therefore, we print using %g,
+	     * and if the result isn't accurate enough, print again
+	     * using %.9g.  Unfortunately, a few PostScript programs
+	     * 'know' that the printed representation of floats fits
+	     * into 6 digits (e.g., with cvs).  We resolve this by letting
+	     * cvs, cvrs, and = do what the Adobe interpreters appear
+	     * to do (use %g), and only produce accurate output for ==,
+	     * for which there is no analogue of cvs.  What a hack!
+	     */
+		if (!full_print)
+		    break;
+		{
+		    char buf[30];  /* big enough for any float or double */
+		    float value = op->value.realval;
+		    float scanned;
+		    uint plen;
+
+		    sprintf(buf, "%g", value);
+		    sscanf(buf, "%f", &scanned);
+		    if (scanned != value)
+			sprintf(buf, "%.9g", value);
+		    ensure_dot(buf);
+		    *prlen = plen = strlen(buf);
+		    if (plen > len)
+			return_error(e_rangecheck);
+		    memcpy(str, buf, plen);
+		    return 0;
+		}
+	    default:
+		return_error(e_typecheck);
+	}
+    return obj_cvs(op, str, len, prlen, pchars);
+}
+int
+obj_cvs(const ref * op, byte * str, uint len, uint * prlen,
+	const byte ** pchars)
+{
+    char buf[30];		/* big enough for any float or double */
+    const byte *pstr = (const byte *)buf;
+    uint plen;
+    ref nref;
+
+    switch (r_btype(op)) {
+	case t_boolean:
+	    pstr = (const byte *)(op->value.boolval ? "true" : "false");
+	    break;
+	case t_integer:
+	    sprintf(buf, "%ld", op->value.intval);
+	    break;
+	case t_name:
+	    name_string_ref(op, &nref);		/* name string */
+cvname:	    pstr = nref.value.bytes;
+	    plen = r_size(&nref);
+	    if (pchars != 0)
+		*pchars = pstr;
+	    goto nl;
+	case t_oparray:
+	    {
+		uint index = op_index(op);
+		const op_array_table *opt = op_index_op_array_table(index);
+
+		name_index_ref(opt->nx_table[index - opt->base_index], &nref);
+	    }
+	    name_string_ref(&nref, &nref);
+	    goto cvname;
+	case t_operator:
+	    {
+		/* Recover the name from the initialization table. */
+		uint index = op_index(op);
+
+		/*
+		 * Check the validity of the index.  (An out-of-bounds index
+		 * is only possible when examining an invalid object using
+		 * the debugger.)
+		 */
+		if (index > 0 && index < op_def_count) {
+		    pstr = (const byte *)(op_def_table[index]->oname + 1);
+		    break;
+		}
+	    }
+	    /* Internal operator, no name. */
+	    sprintf(buf, "@0x%lx", (ulong) op->value.opproc);
+	    break;
+	case t_real:
+	    sprintf(buf, "%g", op->value.realval);
+	    ensure_dot(buf);
+	    break;
+	case t_string:
+	    check_read(*op);
+	    pstr = op->value.bytes;
+	    plen = r_size(op);
+	    if (pchars != 0)
+		*pchars = pstr;
+	    goto nl;
+	default:
+	    pstr = (const byte *)"--nostringval--";
+    }
+    plen = strlen((const char *)pstr);
+nl: *prlen = plen;
+    if (plen > len)
+	return_error(e_rangecheck);
+    memcpy(str, pstr, plen);
+    return 0;
+}
+/*
+ * Make sure the converted form of a real number has a decimal point.  This
+ * is needed for compatibility with Adobe (and other) interpreters.
+ */
+private void
+ensure_dot(char *buf)
+{
+    if (strchr(buf, '.') == NULL) {
+	char *ept = strchr(buf, 'e');
+
+	if (ept == NULL)
+	    strcat(buf, ".0");
+	else {
+	    /* Insert the .0 before the exponent.  What a nuisance! */
+	    char buf1[30];
+
+	    strcpy(buf1, ept);
+	    strcpy(ept, ".0");
+	    strcat(buf, buf1);
+	}
+    }
+}
+
+/* Find the index of an operator that doesn't have one stored in it. */
+ushort
+op_find_index(const ref * pref /* t_operator */ )
+{
+    op_proc_p proc = real_opproc(pref);
+    const op_def *const *opp = op_def_table;
+    const op_def *const *opend = opp + op_def_count;
+
+    for (; ++opp < opend;) {
+	if ((*opp)->proc == proc)
+	    return opp - op_def_table;
+    }
+    /* Lookup failed!  This isn't possible.... */
+    return 0;
+}
+
+/*
+ * Convert an operator index to an operator or oparray ref.
+ * This is only used for debugging and for 'get' from packed arrays,
+ * so it doesn't have to be very fast.
+ */
+void
+op_index_ref(uint index, ref * pref)
+{
+    const op_array_table *opt;
+
+    if (op_index_is_operator(index)) {
+	make_oper(pref, index, op_index_proc(index));
+	return;
+    }
+    opt = op_index_op_array_table(index);
+    make_tasv(pref, t_oparray, opt->attrs, index,
+	      const_refs, (opt->table.value.const_refs
+			   + index - opt->base_index));
+}
+
+/* Get an element from an array of some kind. */
+/* This is also used to index into Encoding vectors, */
+/* the error name vector, etc. */
+int
+array_get(const ref * aref, long index_long, ref * pref)
+{
+    if ((ulong)index_long >= r_size(aref))
+	return_error(e_rangecheck);
+    switch (r_type(aref)) {
+	case t_array:
+	    {
+		const ref *pvalue = aref->value.refs + index_long;
+
+		ref_assign(pref, pvalue);
+	    }
+	    break;
+	case t_mixedarray:
+	    {
+		const ref_packed *packed = aref->value.packed;
+		uint index = (uint)index_long;
+
+		for (; index--;)
+		    packed = packed_next(packed);
+		packed_get(packed, pref);
+	    }
+	    break;
+	case t_shortarray:
+	    {
+		const ref_packed *packed = aref->value.packed + index_long;
+
+		packed_get(packed, pref);
+	    }
+	    break;
+	default:
+	    return_error(e_typecheck);
+    }
+    return 0;
+}
+
+/* Get an element from a packed array. */
+/* (This works for ordinary arrays too.) */
+/* Source and destination are allowed to overlap if the source is packed, */
+/* or if they are identical. */
+void
+packed_get(const ref_packed * packed, ref * pref)
+{
+    const ref_packed elt = *packed;
+    uint value = elt & packed_value_mask;
+
+    switch (elt >> r_packed_type_shift) {
+	default:		/* (shouldn't happen) */
+	    make_null(pref);
+	    break;
+	case pt_executable_operator:
+	    op_index_ref(value, pref);
+	    break;
+	case pt_integer:
+	    make_int(pref, (int)value + packed_min_intval);
+	    break;
+	case pt_literal_name:
+	    name_index_ref(value, pref);
+	    break;
+	case pt_executable_name:
+	    name_index_ref(value, pref);
+	    r_set_attrs(pref, a_executable);
+	    break;
+	case pt_full_ref:
+	case pt_full_ref + 1:
+	    ref_assign(pref, (const ref *)packed);
+    }
+}
+
+/* Check to make sure an interval contains no object references */
+/* to a space younger than a given one. */
+/* Return 0 or e_invalidaccess. */
+int
+refs_check_space(const ref * bot, uint size, uint space)
+{
+    for (; size--; bot++)
+	store_check_space(space, bot);
+    return 0;
+}
+
+/* ------ String utilities ------ */
+
+/* Convert a C string to a Ghostscript string */
+int
+string_to_ref(const char *cstr, ref * pref, gs_ref_memory_t * mem,
+	      client_name_t cname)
+{
+    uint size = strlen(cstr);
+    int code = gs_alloc_string_ref(mem, pref, a_all, size, cname);
+
+    if (code < 0)
+	return code;
+    memcpy(pref->value.bytes, cstr, size);
+    return 0;
+}
+
+/* Convert a Ghostscript string to a C string. */
+/* Return 0 iff the buffer can't be allocated. */
+char *
+ref_to_string(const ref * pref, gs_memory_t * mem, client_name_t cname)
+{
+    uint size = r_size(pref);
+    char *str = (char *)gs_alloc_string(mem, size + 1, cname);
+
+    if (str == 0)
+	return 0;
+    memcpy(str, (const char *)pref->value.bytes, size);
+    str[size] = 0;
+    return str;
+}
+
+/* ------ Operand utilities ------ */
+
+/* Get N numeric operands from the stack or an array. */
+/* Return a bit-mask indicating which ones are integers, */
+/* or a (negative) error indication. */
+/* The 1-bit in the bit-mask refers to the first operand. */
+/* Store float versions of the operands at pval. */
+/* The stack underflow check (check for t__invalid) is harmless */
+/* if the operands come from somewhere other than the stack. */
+int
+num_params(const ref * op, int count, double *pval)
+{
+    int mask = 0;
+
+    pval += count;
+    while (--count >= 0) {
+	mask <<= 1;
+	switch (r_type(op)) {
+	    case t_real:
+		*--pval = op->value.realval;
+		break;
+	    case t_integer:
+		*--pval = op->value.intval;
+		mask++;
+		break;
+	    case t__invalid:
+		return_error(e_stackunderflow);
+	    default:
+		return_error(e_typecheck);
+	}
+	op--;
+    }
+    /* If count is very large, mask might overflow. */
+    /* In this case we clearly don't care about the value of mask. */
+    return (mask < 0 ? 0 : mask);
+}
+/* float_params doesn't bother to keep track of the mask. */
+int
+float_params(const ref * op, int count, float *pval)
+{
+    for (pval += count; --count >= 0; --op)
+	switch (r_type(op)) {
+	    case t_real:
+		*--pval = op->value.realval;
+		break;
+	    case t_integer:
+		*--pval = op->value.intval;
+		break;
+	    case t__invalid:
+		return_error(e_stackunderflow);
+	    default:
+		return_error(e_typecheck);
+	}
+    return 0;
+}
+
+/* Get a single real parameter. */
+/* The only possible error is e_typecheck. */
+/* If an error is returned, the return value is not updated. */
+int
+real_param(const ref * op, double *pparam)
+{
+    switch (r_type(op)) {
+	case t_integer:
+	    *pparam = op->value.intval;
+	    break;
+	case t_real:
+	    *pparam = op->value.realval;
+	    break;
+	default:
+	    return_error(e_typecheck);
+    }
+    return 0;
+}
+int
+float_param(const ref * op, float *pparam)
+{
+    double dval;
+    int code = real_param(op, &dval);
+
+    if (code >= 0)
+	*pparam = (float)dval;	/* can't overflow */
+    return code;
+}
+
+/* Get an integer parameter in a given range. */
+int
+int_param(const ref * op, int max_value, int *pparam)
+{
+    check_int_leu(*op, max_value);
+    *pparam = (int)op->value.intval;
+    return 0;
+}
+
+/* Make real values on the operand stack. */
+int
+make_reals(ref * op, const double *pval, int count)
+{
+    /* This should return e_limitcheck if any real is too large */
+    /* to fit into a float on the stack. */
+    for (; count--; op++, pval++)
+	make_real(op, *pval);
+    return 0;
+}
+int
+make_floats(ref * op, const float *pval, int count)
+{
+    /* This should return e_undefinedresult for infinities. */
+    for (; count--; op++, pval++)
+	make_real(op, *pval);
+    return 0;
+}
+
+/* Compute the error code when check_proc fails. */
+/* Note that the client, not this procedure, uses return_error. */
+/* The stack underflow check is harmless in the off-stack case. */
+int
+check_proc_failed(const ref * pref)
+{
+    return (r_is_array(pref) ? e_invalidaccess :
+	    r_has_type(pref, t__invalid) ? e_stackunderflow :
+	    e_typecheck);
+}
+
+/* Compute the error code when a type check on the stack fails. */
+/* Note that the client, not this procedure, uses return_error. */
+int
+check_type_failed(const ref * op)
+{
+    return (r_has_type(op, t__invalid) ? e_stackunderflow : e_typecheck);
+}
+
+/* ------ Matrix utilities ------ */
+
+/* Read a matrix operand. */
+/* Return 0 if OK, error code if not. */
+int
+read_matrix(const ref * op, gs_matrix * pmat)
+{
+    int code;
+    ref values[6];
+    const ref *pvalues;
+
+    if (r_has_type(op, t_array))
+	pvalues = op->value.refs;
+    else {
+	int i;
+
+	for (i = 0; i < 6; ++i) {
+	    code = array_get(op, (long)i, &values[i]);
+	    if (code < 0)
+		return code;
+	}
+	pvalues = values;
+    }
+    check_read(*op);
+    if (r_size(op) != 6)
+	return_error(e_rangecheck);
+    code = float_params(pvalues + 5, 6, (float *)pmat);
+    return (code < 0 ? code : 0);
+}
+
+/* Write a matrix operand. */
+/* Return 0 if OK, error code if not. */
+int
+write_matrix(ref * op, const gs_matrix * pmat)
+{
+    ref *aptr;
+    const float *pel;
+    int i;
+
+    check_write_type(*op, t_array);
+    if (r_size(op) != 6)
+	return_error(e_rangecheck);
+    aptr = op->value.refs;
+    pel = (const float *)pmat;
+    for (i = 5; i >= 0; i--, aptr++, pel++) {
+	ref_save(op, aptr, "write_matrix");
+	make_real_new(aptr, *pel);
+    }
+    return 0;
+}
diff --git a/pstoraster/iutil.h b/pstoraster/iutil.h
new file mode 100644
index 000000000..ea0489a29
--- /dev/null
+++ b/pstoraster/iutil.h
@@ -0,0 +1,121 @@
+/* Copyright (C) 1991, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires imemory.h, ostack.h */
+
+#ifndef iutil_INCLUDED
+#  define iutil_INCLUDED
+
+/* ------ Object utilities ------ */
+
+/* Copy refs from one place to another. */
+/* (If we are copying to the stack, we can just use memcpy.) */
+void refcpy_to_new(P3(ref * to, const ref * from, uint size));
+int refcpy_to_old(P5(ref * aref, uint index, const ref * from, uint size,
+		     client_name_t cname));
+
+/* Fill an array with nulls. */
+void refset_null(P2(ref * to, uint size));
+
+/* Compare two objects for equality. */
+bool obj_eq(P2(const ref *, const ref *));
+
+/* Compare two objects for identity. */
+/* (This is not a standard PostScript concept.) */
+bool obj_ident_eq(P2(const ref *, const ref *));
+
+/*
+ * Create a printable representation of an object, a la cvs (full_print =
+ * false) or == (full_print = true).  Return 0 if OK, <0 if the destination
+ * wasn't large enough or the object's contents weren't readable.
+ * If the object was a string or name, store a pointer to its characters
+ * even if it was too large.  Note that if full_print is true, the only
+ * allowed types are boolean, integer, and real.
+ */
+int obj_cvp(P6(const ref * op, byte * str, uint len, uint * prlen,
+	       const byte ** pchars, bool full_print));
+/* obj_cvs is equivalent to obj_cvp with full_print = false. */
+int obj_cvs(P5(const ref * op, byte * str, uint len, uint * prlen,
+	       const byte ** pchars));
+
+/* Get an element from an array (packed or not). */
+int array_get(P3(const ref *, long, ref *));
+
+/* Get an element from a packed array. */
+/* (This works for ordinary arrays too.) */
+/* Source and destination are allowed to overlap if the source is packed, */
+/* or if they are identical. */
+void packed_get(P2(const ref_packed *, ref *));
+
+/* Check to make sure an interval contains no object references */
+/* to a space younger than a given one. */
+/* Return 0 or e_invalidaccess. */
+int refs_check_space(P3(const ref * refs, uint size, uint space));
+
+/* ------ String utilities ------ */
+
+/* Convert a C string to a string object. */
+int string_to_ref(P4(const char *, ref *, gs_ref_memory_t *, client_name_t));
+
+/* Convert a string object to a C string. */
+/* Return 0 iff the buffer can't be allocated. */
+char *ref_to_string(P3(const ref *, gs_memory_t *, client_name_t));
+
+/* ------ Operand utilities ------ */
+
+/* Get N numeric operands from the stack or an array. */
+int num_params(P3(const ref *, int, double *));
+
+/* float_params can lose accuracy for large integers. */
+int float_params(P3(const ref *, int, float *));
+
+/* Get a single real parameter. */
+/* The only possible error is e_typecheck. */
+int real_param(P2(const ref *, double *));
+
+/* float_param can lose accuracy for large integers. */
+int float_param(P2(const ref *, float *));
+
+/* Get an integer parameter in a given range. */
+int int_param(P3(const ref *, int, int *));
+
+/* Make real values on the stack. */
+/* Return e_limitcheck for infinities or double->float overflow. */
+int make_reals(P3(ref *, const double *, int));
+int make_floats(P3(ref *, const float *, int));
+
+/* Define the gs_matrix type if necessary. */
+#ifndef gs_matrix_DEFINED
+#  define gs_matrix_DEFINED
+typedef struct gs_matrix_s gs_matrix;
+#endif
+
+/* Read a matrix operand. */
+int read_matrix(P2(const ref *, gs_matrix *));
+
+/* Write a matrix operand. */
+int write_matrix(P2(ref *, const gs_matrix *));
+
+#endif /* iutil_INCLUDED */
diff --git a/pstoraster/iutil2.c b/pstoraster/iutil2.c
new file mode 100644
index 000000000..c49022510
--- /dev/null
+++ b/pstoraster/iutil2.c
@@ -0,0 +1,154 @@
+/* Copyright (C) 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 utilities for Ghostscript interpreter */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "errors.h"
+#include "opcheck.h"
+#include "gsparam.h"
+#include "gsutil.h"		/* bytes_compare prototype */
+#include "idict.h"
+#include "imemory.h"		/* for iutil.h */
+#include "iutil.h"
+#include "iutil2.h"
+
+/* ------ Password utilities ------ */
+
+/* Read a password from a parameter list. */
+/* Return 0 if present, 1 if absent, or an error code. */
+int
+param_read_password(gs_param_list * plist, const char *kstr, password * ppass)
+{
+    gs_param_string ps;
+    long ipass;
+    int code;
+
+    ps.data = (const byte *)ppass->data, ps.size = ppass->size,
+	ps.persistent = false;
+    code = param_read_string(plist, kstr, &ps);
+    switch (code) {
+	case 0:		/* OK */
+	    if (ps.size > MAX_PASSWORD)
+		return_error(e_limitcheck);
+	    /* Copy the data back. */
+	    memcpy(ppass->data, ps.data, ps.size);
+	    ppass->size = ps.size;
+	    return 0;
+	case 1:		/* key is missing */
+	    return 1;
+    }
+    /* We might have gotten a typecheck because */
+    /* the supplied password was an integer. */
+    if (code != e_typecheck)
+	return code;
+    code = param_read_long(plist, kstr, &ipass);
+    if (code != 0)		/* error or missing */
+	return code;
+    sprintf((char *)ppass->data, "%ld", ipass);
+    ppass->size = strlen((char *)ppass->data);
+    return 0;
+}
+/* Write a password to a parameter list. */
+int
+param_write_password(gs_param_list * plist, const char *kstr,
+		     const password * ppass)
+{
+    gs_param_string ps;
+
+    ps.data = (const byte *)ppass->data, ps.size = ppass->size,
+	ps.persistent = false;
+    if (ps.size > MAX_PASSWORD)
+	return_error(e_limitcheck);
+    return param_write_string(plist, kstr, &ps);
+}
+
+/* Check a password from a parameter list. */
+/* Return 0 if OK, 1 if not OK, or an error code. */
+int
+param_check_password(gs_param_list * plist, const password * ppass)
+{
+    if (ppass->size != 0) {
+	password pass;
+	int code = param_read_password(plist, "Password", &pass);
+
+	if (code)
+	    return code;
+	if (pass.size != ppass->size ||
+	    bytes_compare(&pass.data[0], pass.size,
+			  &ppass->data[0],
+			  ppass->size) != 0
+	    )
+	    return 1;
+    }
+    return 0;
+}
+
+/* Read a password from, or write a password into, a dictionary */
+/* (presumably systemdict). */
+private int
+dict_find_password(ref ** ppvalue, const ref * pdref, const char *kstr)
+{
+    ref *pvalue;
+
+    if (dict_find_string(pdref, kstr, &pvalue) <= 0)
+	return_error(e_undefined);
+    if (!r_has_type(pvalue, t_string) ||
+	r_has_attrs(pvalue, a_read) ||
+	pvalue->value.const_bytes[0] >= r_size(pvalue)
+	)
+	return_error(e_rangecheck);
+    *ppvalue = pvalue;
+    return 0;
+}
+int
+dict_read_password(password * ppass, const ref * pdref, const char *pkey)
+{
+    ref *pvalue;
+    int code = dict_find_password(&pvalue, pdref, pkey);
+
+    if (code < 0)
+	return code;
+    if (pvalue->value.const_bytes[0] > MAX_PASSWORD)
+	return_error(e_rangecheck);	/* limitcheck? */
+    memcpy(ppass->data, pvalue->value.const_bytes + 1,
+	   (ppass->size = pvalue->value.const_bytes[0]));
+    return 0;
+}
+int
+dict_write_password(const password * ppass, ref * pdref, const char *pkey)
+{
+    ref *pvalue;
+    int code = dict_find_password(&pvalue, pdref, pkey);
+
+    if (code < 0)
+	return code;
+    if (ppass->size >= r_size(pvalue))
+	return_error(e_rangecheck);
+    memcpy(pvalue->value.bytes + 1, ppass->data,
+	   (pvalue->value.bytes[0] = ppass->size));
+    return 0;
+}
diff --git a/pstoraster/iutil2.h b/pstoraster/iutil2.h
new file mode 100644
index 000000000..ff76d87f6
--- /dev/null
+++ b/pstoraster/iutil2.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Interface to procedures in iutil2.c */
+
+#ifndef iutil2_INCLUDED
+#  define iutil2_INCLUDED
+
+/* ------ Password utilities ------ */
+
+/* Define the password structure. */
+/* NOTE: MAX_PASSWORD must match the initial password lengths in gs_lev2.ps. */
+#define MAX_PASSWORD 64		/* must be at least 11 */
+typedef struct password_s {
+    uint size;
+    byte data[MAX_PASSWORD];
+} password;
+
+# define NULL_PASSWORD {0, {0}}
+
+/* Transmit a password to or from a parameter list. */
+int param_read_password(P3(gs_param_list *, const char *, password *));
+int param_write_password(P3(gs_param_list *, const char *, const password *));
+
+/* Check a password from a parameter list. */
+/* Return 0 if OK, 1 if not OK, or an error code. */
+int param_check_password(P2(gs_param_list *, const password *));
+
+/* Read a password from, or write a password into, a dictionary */
+/* (presumably systemdict). */
+int dict_read_password(P3(password *, const ref *, const char *));
+int dict_write_password(P3(const password *, ref *, const char *));
+
+#endif /* iutil2_INCLUDED */
diff --git a/pstoraster/ivmspace.h b/pstoraster/ivmspace.h
new file mode 100644
index 000000000..dd51d91e1
--- /dev/null
+++ b/pstoraster/ivmspace.h
@@ -0,0 +1,111 @@
+/* Copyright (C) 1992, 1993, 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Local/global space management */
+/* Requires iref.h */
+
+#ifndef ivmspace_INCLUDED
+#  define ivmspace_INCLUDED
+
+#include "gsgc.h"
+
+/*
+ * r_space_bits and r_space_shift, which define the bits in a ref
+ * that carry VM space information, are defined in iref.h.
+ * r_space_bits must be at least 2.
+ */
+#define a_space (((1 << r_space_bits) - 1) << r_space_shift)
+/*
+ * The i_vm_xxx values are defined in gsgc.h.
+ */
+typedef enum {
+    avm_foreign = (i_vm_foreign << r_space_shift),
+    avm_system = (i_vm_system << r_space_shift),
+    avm_global = (i_vm_global << r_space_shift),
+    avm_local = (i_vm_local << r_space_shift),
+    avm_max = avm_local
+} avm_space;
+
+#define r_space(rp) (avm_space)(r_type_attrs(rp) & a_space)
+#define r_space_index(rp) ((int)r_space(rp) >> r_space_shift)
+#define r_set_space(rp,space) r_store_attrs(rp, a_space, (uint)space)
+
+/*
+ * According to the PostScript language specification, attempting to store
+ * a reference to a local object into a global object must produce an
+ * invalidaccess error.  However, systemdict must be able to refer to
+ * a number of local dictionaries such as userdict and errordict.
+ * Therefore, we implement a special hack in 'def' that allows such stores
+ * if the dictionary being stored into is systemdict (which is normally
+ * only writable during initialization) or a dictionary that appears
+ * in systemdict (such as level2dict), and the current save level is zero
+ * (to guarantee that we can't get dangling pointers).
+ * We could allow this for any global dictionary, except that the garbage
+ * collector must treat any such dictionaries as roots when collecting
+ * local VM without collecting global VM.
+ * We make a similar exception for .makeglobaloperator; this requires
+ * treating the operator table as a GC root as well.
+ *
+ * We extend the local-into-global store check because we have four VM
+ * spaces (local, global, system, and foreign), and we allow PostScript
+ * programs to create objects in any of the first three.  If we define
+ * the "generation" of an object as foreign = 0, system = 1, global = 2,
+ * and local = 3, then a store is legal iff the generation of the object
+ * into which a pointer is being stored is greater than or equal to
+ * the generation of the object into which the store is occurring.
+ *
+ * We must check for local-into-global stores in three categories of places:
+ *
+ *      - The scanner, when it encounters a //name inside {}.
+ *
+ *      - All operators that allocate ref-containing objects and also
+ *      store into them:
+ *              packedarray  gstate  makepattern?
+ *              makefont  scalefont  definefont  filter
+ *
+ *      - All operators that store refs into existing objects
+ *      ("operators" marked with * are actually PostScript procedures):
+ *              put(array)  putinterval(array)  astore  copy(to array)
+ *              def  store*  put(dict)  copy(dict)
+ *              dictstack  execstack  .make(global)operator
+ *              currentgstate  defineusername
+ */
+
+/* Test whether an object is in local space, */
+/* which implies that we need not check when storing into it. */
+#define r_is_local(rp) (r_space(rp) == avm_local)
+/* Test whether an object is foreign, i.e., outside known space. */
+#define r_is_foreign(rp) (r_space(rp) == avm_foreign)
+/* Check whether a store is allowed. */
+#define store_check_space(destspace,rpnew)\
+  if ( r_space(rpnew) > (destspace) )\
+    return_error(e_invalidaccess)
+#define store_check_dest(rpdest,rpnew)\
+  store_check_space(r_space(rpdest), rpnew)
+/* BACKWARD COMPATIBILITY (not used by any Ghostscript code per se) */
+#define check_store_space(rdest,rnewcont)\
+  store_check_dest(&(rdest),&(rnewcont))
+
+#endif /* ivmspace_INCLUDED */
diff --git a/pstoraster/main.h b/pstoraster/main.h
new file mode 100644
index 000000000..6b8769020
--- /dev/null
+++ b/pstoraster/main.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1992, 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Backward-compatible interface to gsmain.c */
+
+#ifndef main_INCLUDED
+#  define main_INCLUDED
+
+#include "imain.h"
+#include "iminst.h"
+
+/*
+ * This file adds to imain.h some backward-compatible procedures and
+ * data elements that assume there is only a single instance of
+ * the interpreter.
+ */
+
+/* ================ Data elements ================ */
+
+/* Clients should never access these directly. */
+
+#define gs_user_errors (gs_main_instance_default()->user_errors)
+#define gs_lib_path (gs_main_instance_default()->lib_path)
+/* gs_lib_paths removed in release 3.65 */
+/* gs_lib_env_path removed in release 3.65 */
+
+/* ================ Exported procedures from gsmain.c ================ */
+
+/* ---------------- Initialization ---------------- */
+
+#define gs_init0(in, out, err, mlp)\
+  gs_main_init0(gs_main_instance_default(), in, out, err, mlp)
+
+#define gs_init1()\
+  gs_main_init1(gs_main_instance_default())
+
+#define gs_init2()\
+  gs_main_init2(gs_main_instance_default())
+
+#define gs_add_lib_path(path)\
+  gs_main_add_lib_path(gs_main_instance_default(), path)
+
+#define gs_set_lib_paths()\
+  gs_main_set_lib_paths(gs_main_instance_default())
+
+#define gs_lib_open(fname, pfile)\
+  gs_main_lib_open(gs_main_instance_default(), fname, pfile)
+
+/* ---------------- Execution ---------------- */
+
+#define gs_run_file(fn, ue, pec, peo)\
+  gs_main_run_file(gs_main_instance_default(), fn, ue, pec, peo)
+
+#define gs_run_string(str, ue, pec, peo)\
+  gs_main_run_string(gs_main_instance_default(), str, ue, pec, peo)
+
+#define gs_run_string_with_length(str, len, ue, pec, peo)\
+  gs_main_run_string_with_length(gs_main_instance_default(),\
+				 str, len, ue, pec, peo)
+
+#define gs_run_file_open(fn, pfref)\
+  gs_main_run_file_open(gs_main_instance_default(), fn, pfref)
+
+#define gs_run_string_begin(ue, pec, peo)\
+  gs_main_run_string_begin(gs_main_instance_default(), ue, pec, peo)
+
+#define gs_run_string_continue(str, len, ue, pec, peo)\
+  gs_main_run_string_continue(gs_main_instance_default(),\
+			      str, len, ue, pec, peo)
+
+#define gs_run_string_end(ue, pec, peo)\
+  gs_main_run_string_end(gs_main_instance_default(), ue, pec, peo)
+
+/* ---------------- Termination ---------------- */
+
+#define gs_finit(status, code)\
+  gs_main_finit(gs_main_instance_default(), status, code)
+
+#endif /* main_INCLUDED */
diff --git a/pstoraster/malloc_.h b/pstoraster/malloc_.h
new file mode 100644
index 000000000..cbd6f7d34
--- /dev/null
+++ b/pstoraster/malloc_.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1989, 1992, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix malloc.h */
+
+#ifndef malloc__INCLUDED
+#  define malloc__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+#ifdef __TURBOC__
+#  include <alloc.h>
+#else
+#  if defined(BSD4_2) || defined(apollo) || defined(vax) || defined(sequent) || defined(UTEK)
+#    if defined(_POSIX_SOURCE) || (defined(__STDC__) && (!defined(sun) || defined(__svr4__)))	/* >>> */
+#      include <stdlib.h>
+#    else			/* Ancient breakage */
+extern char *malloc();
+extern void free();
+
+#    endif
+#  else
+#    if defined(_HPUX_SOURCE) || defined(__CONVEX__) || defined(__convex__) || defined(__OSF__) || defined(__386BSD__) || defined(_POSIX_SOURCE) || defined(__STDC__) || defined(VMS)
+#      include <stdlib.h>
+#    else
+#      include <malloc.h>
+#    endif			/* !_HPUX_SOURCE, ... */
+#  endif			/* !BSD4_2, ... */
+#endif /* !__TURBOC__ */
+
+/* (At least some versions of) Linux don't have a working realloc.... */
+/* MRS - in order to make sure memory is initialized, always use gs_realloc() */
+#define malloc__need_realloc
+void *gs_realloc(P3(void *, size_t, size_t));
+
+#endif /* malloc__INCLUDED */
diff --git a/pstoraster/math_.h b/pstoraster/math_.h
new file mode 100644
index 000000000..e04e3d4d2
--- /dev/null
+++ b/pstoraster/math_.h
@@ -0,0 +1,97 @@
+/* Copyright (C) 1989, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for math.h */
+
+#ifndef math__INCLUDED
+#  define math__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+#if defined(VMS) && defined(__GNUC__)
+/*  DEC VAX/VMS C comes with a math.h file, but GNU VAX/VMS C does not. */
+#  include "vmsmath.h"
+#else
+#  include <math.h>
+#endif
+
+/* math.h is different for Turbo and Unix.... */
+#ifndef M_PI
+#  ifdef PI
+#    define M_PI PI
+#  else
+#    define M_PI 3.14159265358979324
+#  endif
+#endif
+
+/* Factors for converting between degrees and radians */
+#define degrees_to_radians (M_PI / 180.0)
+#define radians_to_degrees (180.0 / M_PI)
+
+/*
+ * Define the maximum value of a single-precision float.
+ * This doesn't seem to be defined in any standard place,
+ * and we need an exact value for it.
+ */
+#undef MAX_FLOAT		/* just in case */
+#if defined(vax) || defined(VAX) || defined(__vax) || defined(__VAX)
+/* Maximum exponent is +127, 23 bits of fraction. */
+#  define MAX_FLOAT\
+     ((0x800000 - 1.0) * 0x1000000 * 0x1000000 * 0x10000000 * 0x10000000)
+#else
+/* IEEE, maximum exponent is +127, 23 bits of fraction + an implied '1'. */
+#  define MAX_FLOAT\
+     ((0x1000000 - 1.0) * 0x1000000 * 0x1000000 * 0x10000000 * 0x10000000)
+#endif
+
+/* Define the hypot procedure on those few systems that don't provide it. */
+#ifdef _IBMR2
+/* The RS/6000 has hypot, but math.h doesn't declare it! */
+extern double hypot(double, double);
+
+#else
+#  if !defined(__TURBOC__) && !defined(BSD4_2) && !defined(VMS)
+#    define hypot(x,y) sqrt((x)*(x)+(y)*(y))
+#  endif
+#endif
+
+#ifdef OSK
+/* OSK has atan2 and ldexp, but math.h doesn't declare them! */
+extern double atan2(), ldexp();
+
+#endif
+
+#ifdef DEBUG
+
+/* Intercept calls on sqrt for debugging. */
+extern double gs_sqrt(P3(double, const char *, int));
+
+#undef sqrt
+#define sqrt(x) gs_sqrt(x, __FILE__, __LINE__)
+
+#endif /* DEBUG */
+
+#endif /* math__INCLUDED */
diff --git a/pstoraster/memory_.h b/pstoraster/memory_.h
new file mode 100644
index 000000000..27e0da922
--- /dev/null
+++ b/pstoraster/memory_.h
@@ -0,0 +1,107 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix memory.h */
+
+#ifndef memory__INCLUDED
+#  define memory__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+/******
+ ****** Note: the System V bcmp routine only returns zero or non-zero,
+ ****** unlike memcmp which returns -1, 0, or 1.
+ ******/
+
+#ifdef __TURBOC__
+/* Define inline functions */
+#  ifdef __WIN32__
+#    define memcmp_inline(b1,b2,len) memcmp(b1,b2,len)
+#  else
+#    define memcmp_inline(b1,b2,len) __memcmp__(b1,b2,len)
+#  endif
+/*
+ * The Turbo C implementation of memset swaps the arguments and calls
+ * the non-standard routine setmem.  We may as well do it in advance.
+ */
+#  undef memset			/* just in case */
+#  include <mem.h>
+#  ifndef memset		/* Borland C++ can inline this */
+#    define memset(dest,chr,cnt) setmem(dest,cnt,chr)
+#  endif
+#else
+	/* Not Turbo C, no inline functions */
+#  define memcmp_inline(b1,b2,len) memcmp(b1,b2,len)
+	/*
+	 * Apparently the newer VMS compilers include prototypes
+	 * for the mem... routines in <string.h>.  Unfortunately,
+	 * gcc lies on Sun systems: it defines __STDC__ even if
+	 * the header files in /usr/include are broken.
+	 * However, Solaris systems, which define __svr4__, do have
+	 * correct header files.
+	 */
+	/*
+	 * The exceptions vastly outnumber the BSD4_2 "rule":
+	 * these tests should be the other way around....
+	 */
+#  if defined(VMS) || defined(_POSIX_SOURCE) || (defined(__STDC__) && (!defined(sun) || defined(__svr4__))) || defined(_HPUX_SOURCE) || defined(__WATCOMC__) || defined(THINK_C) || defined(bsdi) || defined(__FreeBSD) || (defined(_MSC_VER) && _MSC_VER >= 1000)
+#    include <string.h>
+#  else
+#    if defined(BSD4_2) || defined(UTEK)
+extern bcopy(), bcmp(), bzero();
+
+#	 define memcpy(dest,src,len) bcopy(src,dest,len)
+#	 define memcmp(b1,b2,len) bcmp(b1,b2,len)
+	 /* Define our own versions of missing routines (in gsmisc.c). */
+#	 define memory__need_memmove
+#        define memmove(dest,src,len) gs_memmove(dest,src,len)
+#        include <sys/types.h>	/* for size_t */
+void *gs_memmove(P3(void *, const void *, size_t));
+
+#	 define memory__need_memset
+#        define memset(dest,ch,len) gs_memset(dest,ch,len)
+void *gs_memset(P3(void *, int, size_t));
+
+#	 if defined(UTEK)
+#          define memory__need_memchr
+#          define memchr(ptr,ch,len) gs_memchr(ptr,ch,len)
+const char *gs_memchr(P3(const void *, int, size_t));
+
+#        endif			/* UTEK */
+#    else
+#      include <memory.h>
+#      if defined(__SVR3) || defined(sun)	/* Not sure this is right.... */
+#	 define memory__need_memmove
+#        define memmove(dest,src,len) gs_memmove(dest,src,len)
+#        include <sys/types.h>	/* for size_t */
+void *gs_memmove(P3(void *, const void *, size_t));
+
+#      endif			/* __SVR3 or sun */
+#    endif			/* BSD4_2 or UTEK */
+#  endif			/* VMS, POSIX, ... */
+#endif /* !__TURBOC__ */
+
+#endif /* memory__INCLUDED */
diff --git a/pstoraster/opcheck.h b/pstoraster/opcheck.h
new file mode 100644
index 000000000..43fdca099
--- /dev/null
+++ b/pstoraster/opcheck.h
@@ -0,0 +1,86 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires ialloc.h (for imemory), iref.h, errors.h */
+
+#ifndef opcheck_INCLUDED
+#  define opcheck_INCLUDED
+
+/*
+ * Check the type of an object.  Operators almost always use check_type,
+ * which is defined in oper.h; check_type_only is for checking
+ * subsidiary objects obtained from places other than the stack.
+ */
+#define check_type_only(rf,typ)\
+  BEGIN if ( !r_has_type(&rf,typ) ) return_error(e_typecheck); END
+#define check_stype_only(rf,styp)\
+  BEGIN if ( !r_has_stype(&rf,imemory,styp) ) return_error(e_typecheck); END
+/* Check for array */
+#define check_array_else(rf,errstat)\
+  BEGIN if ( !r_has_type(&rf, t_array) ) errstat; END
+#define check_array_only(rf)\
+  check_array_else(rf, return_error(e_typecheck))
+/* Check for procedure.  check_proc_failed includes the stack underflow */
+/* check, but it doesn't do any harm in the off-stack case. */
+int check_proc_failed(P1(const ref *));
+
+#define check_proc(rf)\
+  BEGIN if ( !r_is_proc(&rf) ) return_error(check_proc_failed(&rf)); END
+#define check_proc_only(rf) check_proc(rf)
+
+/* Check for read, write, or execute access. */
+#define check_access(rf,acc1)\
+  BEGIN if ( !r_has_attr(&rf,acc1) ) return_error(e_invalidaccess); END
+#define check_read(rf) check_access(rf,a_read)
+#define check_write(rf) check_access(rf,a_write)
+#define check_execute(rf) check_access(rf,a_execute)
+#define check_type_access_only(rf,typ,acc1)\
+  BEGIN\
+    if ( !r_has_type_attrs(&rf,typ,acc1) )\
+      return_error((!r_has_type(&rf,typ) ? e_typecheck : e_invalidaccess));\
+  END
+#define check_read_type_only(rf,typ)\
+  check_type_access_only(rf,typ,a_read)
+#define check_write_type_only(rf,typ)\
+  check_type_access_only(rf,typ,a_write)
+
+/* Check for an integer value within an unsigned bound. */
+#define check_int_leu(orf, u)\
+  BEGIN\
+    check_type(orf, t_integer);\
+    if ( (ulong)(orf).value.intval > (u) ) return_error(e_rangecheck);\
+  END
+#define check_int_leu_only(rf, u)\
+  BEGIN\
+    check_type_only(rf, t_integer);\
+    if ( (ulong)(rf).value.intval > (u) ) return_error(e_rangecheck);\
+  END
+#define check_int_ltu(orf, u)\
+  BEGIN\
+    check_type(orf, t_integer);\
+    if ( (ulong)(orf).value.intval >= (u) ) return_error(e_rangecheck);\
+  END
+
+#endif /* opcheck_INCLUDED */
diff --git a/pstoraster/opdef.h b/pstoraster/opdef.h
new file mode 100644
index 000000000..d593a017f
--- /dev/null
+++ b/pstoraster/opdef.h
@@ -0,0 +1,164 @@
+/* Copyright (C) 1991, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Operator definition interface for Ghostscript */
+
+#ifndef opdef_INCLUDED
+#  define opdef_INCLUDED
+
+/*
+ * Operator procedures take the pointer to the top of the o-stack
+ * as their argument.  They return 0 for success, a negative code
+ * for an error, or a positive code for some uncommon situations (see below).
+ */
+
+/*
+ * Define the structure for initializing the operator table.  Each operator
+ * file zxxx.c declares an array of these as follows:
+
+ const op_def * const zxxx_op_defs[] =
+ {
+ {"1name", zname},
+ ...
+ op_def_end(iproc)
+ };
+
+ * where iproc is an initialization procedure for the file, or 0.  This
+ * definition always appears at the END of the file, to avoid the need for
+ * forward declarations for all the operator procedures.  For backward
+ * compatibility with an older convention, we also allow (deprecated)
+
+ BEGIN_OP_DEFS(my_defs) {
+ {"1name", zname},
+ ...
+ END_OP_DEFS(iproc) }
+
+ * Operators may be stored in dictionaries other than systemdict.
+ * We support this with op_def entries of a special form:
+
+ op_def_begin_dict("dictname"),
+
+ */
+typedef struct {
+    const char *oname;
+    op_proc_p proc;
+} op_def;
+
+#define op_def_begin_dict(dname) {dname, 0}
+#define op_def_begin_filter() op_def_begin_dict("filterdict")
+#define op_def_begin_level2() op_def_begin_dict("level2dict")
+#define op_def_begin_ll3() op_def_begin_dict("ll3dict")
+#define op_def_is_begin_dict(def) ((def)->proc == 0)
+#define op_def_end(iproc) {0, (op_proc_p)iproc}
+
+/*
+ * Define the table of pointers to all operator definition tables.
+ */
+extern const op_def *const op_defs_all[];
+
+/*
+ * Formerly, we needed to define each op_defs table as a procedure that
+ * returns the actual table, because of cross-segment linking restrictions
+ * in the 16-bit Borland C compiler for MS Windows.  This is no longer
+ * relevant, but for backward compatibility, we need to retain
+ * BEGIN/END_OP_DEFS with the same syntax.  This involves a kludge to create
+ * a dummy procedure to match up with a closing brace, and another kludge to
+ * prevent a "defined but not used" warning.
+ */
+
+#define BEGIN_OP_DEFS(xx_op_defs)\
+const op_def xx_op_defs[] =
+
+#define END_OP_DEFS(iproc)\
+    op_def_end(iproc)\
+};\
+static int op_defs_dummy(void)\
+{	return 1 || op_defs_dummy();	/* generates the least wasted code */
+
+/*
+ * Internal operators whose names begin with %, such as continuation
+ * operators, do not appear in systemdict.  Ghostscript assumes
+ * that these operators cannot appear anywhere (in executable form)
+ * except on the e-stack; to maintain this invariant, the execstack
+ * operator converts them to literal form, and cvx refuses to convert
+ * them back.  As a result of this invariant, they do not need to
+ * push themselves back on the e-stack when executed, since the only
+ * place they could have come from was the e-stack.
+ */
+#define op_def_is_internal(def) ((def)->oname[1] == '%')
+
+/*
+ * All operators are catalogued in a table; this is necessary because
+ * they must have a short packed representation for the sake of 'bind'.
+ * The `size' of an operator is normally its index in this table;
+ * however, internal operators have a `size' of 0, and their true index
+ * must be found by searching the table for their procedure address.
+ */
+ushort op_find_index(P1(const ref *));
+
+#define op_index(opref)\
+  (r_size(opref) == 0 ? op_find_index(opref) : r_size(opref))
+/*
+ * There are actually two kinds of operators: the real ones (t_operator),
+ * and ones defined by procedures (t_oparray).  The catalog for t_operators
+ * is op_def_table, and their index is in the range [1..op_def_count-1].
+ */
+#define op_index_is_operator(index) ((index) < op_def_count)
+extern const op_def **op_def_table;
+extern uint op_def_count;
+
+#define op_num_args(opref) (op_def_table[op_index(opref)]->oname[0] - '0')
+#define op_index_proc(index) (op_def_table[index]->proc)
+/*
+ * There are two catalogs for t_oparrays, one global and one local.
+ * Operator indices for the global table are in the range
+ *      [op_def_count..op_def_count+op_array_global.count-1]
+ * Operator indices for the local table are in the range
+ *      [op_def_count+r_size(&op_array_global.table)..
+ *        op_def_count+r_size(&op_array_global.table)+op_array_local.count-1]
+ */
+typedef struct op_array_table_s {
+    ref table;			/* t_array */
+    ushort *nx_table;		/* name indices */
+    uint count;			/* # of occupied entries */
+    uint base_index;		/* operator index of first entry */
+    uint attrs;			/* ref attrs of ops in this table */
+    ref *root_p;		/* self-pointer for GC root */
+} op_array_table;
+extern op_array_table
+       op_array_table_global, op_array_table_local;
+
+#define op_index_op_array_table(index)\
+  ((index) < op_array_table_local.base_index ?\
+   &op_array_table_global : &op_array_table_local)
+
+/*
+ * Convert an operator index to an operator or oparray ref.
+ * This is only used for debugging and for 'get' from packed arrays,
+ * so it doesn't have to be very fast.
+ */
+void op_index_ref(P2(uint, ref *));
+
+#endif /* opdef_INCLUDED */
diff --git a/pstoraster/oper.h b/pstoraster/oper.h
new file mode 100644
index 000000000..31c02275b
--- /dev/null
+++ b/pstoraster/oper.h
@@ -0,0 +1,108 @@
+/* Copyright (C) 1989, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for Ghostscript operators */
+
+#ifndef oper_INCLUDED
+#  define oper_INCLUDED
+
+#include "errors.h"
+#include "ostack.h"
+#include "opdef.h"
+#include "opextern.h"
+#include "opcheck.h"
+#include "iutil.h"
+
+/*
+ * In order to combine typecheck and stackunderflow error checking
+ * into a single test, we guard the bottom of the o-stack with
+ * additional entries of type t__invalid.  However, if a type check fails,
+ * we must make an additional check to determine which error
+ * should be reported.  In order not to have to make this check in-line
+ * in every type check in every operator, we define a procedure that takes
+ * an o-stack pointer and returns e_stackunderflow if it points to
+ * a guard entry, e_typecheck otherwise.
+ *
+ * Note that we only need to do this for typecheck, not for any other
+ * kind of error such as invalidaccess, since any operator that can
+ * generate the latter will do a check_type or a check_op first.
+ * (See ostack.h for more information.)
+ *
+ * We define the operand type of check_type_failed as const ref * rather than
+ * const_os_ptr simply because there are a number of routines that might
+ * be used either with a stack operand or with a general operand, and
+ * the check for t__invalid is harmless when applied to off-stack refs.
+ */
+int check_type_failed(P1(const ref *));
+
+/*
+ * Check the type of an object.  Operators almost always use check_type,
+ * which includes the stack underflow check described just above;
+ * check_type_only is for checking subsidiary objects obtained from
+ * places other than the stack.
+ */
+#define return_op_typecheck(op)\
+  return_error(check_type_failed(op))
+#define check_type(orf,typ)\
+  if ( !r_has_type(&orf,typ) ) return_op_typecheck(&orf)
+#define check_stype(orf,styp)\
+  if ( !r_has_stype(&orf,imemory,styp) ) return_op_typecheck(&orf)
+#define check_array(orf)\
+  check_array_else(orf, return_op_typecheck(&orf))
+#define check_type_access(orf,typ,acc1)\
+  if ( !r_has_type_attrs(&orf,typ,acc1) )\
+    return_error((!r_has_type(&orf,typ) ? check_type_failed(&orf) :\
+		  e_invalidaccess))
+#define check_read_type(orf,typ)\
+  check_type_access(orf,typ,a_read)
+#define check_write_type(orf,typ)\
+  check_type_access(orf,typ,a_write)
+
+/* Macro for as yet unimplemented operators. */
+/* The if ( 1 ) is to prevent the compiler from complaining about */
+/* unreachable code. */
+#define NYI(msg) if ( 1 ) return_error(e_undefined)
+
+/*
+ * If an operator has popped or pushed something on the control stack,
+ * it must return o_pop_estack or o_push_estack respectively,
+ * rather than 0, to indicate success.
+ * It is OK to return o_pop_estack if nothing has been popped,
+ * but it is not OK to return o_push_estack if nothing has been pushed.
+ *
+ * If an operator has suspended the current context and wants the
+ * interpreter to call the scheduler, it must return o_reschedule.
+ * It may also have pushed or popped elements on the control stack.
+ * (This is only used when the Display PostScript option is included.)
+ *
+ * These values must be greater than 1, and far enough apart from zero and
+ * from each other not to tempt a compiler into implementing a 'switch'
+ * on them using indexing rather than testing.
+ */
+#define o_push_estack 5
+#define o_pop_estack 14
+#define o_reschedule 22
+
+#endif /* oper_INCLUDED */
diff --git a/pstoraster/opextern.h b/pstoraster/opextern.h
new file mode 100644
index 000000000..831c95a94
--- /dev/null
+++ b/pstoraster/opextern.h
@@ -0,0 +1,115 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Externally accessible operator declarations */
+
+#ifndef opextern_INCLUDED
+#  define opextern_INCLUDED
+
+/*
+ * Normally, the procedures that implement PostScript operators (named zX
+ * where X is the name of the operator, e.g., zadd) are private to the
+ * file in which they are defined.  There are, however, a surprising
+ * number of these procedures that are used from other files.
+ * This file, opextern.h, declares all z* procedures that are
+ *      - referenced from outside their defining file, and
+ *      - present in *all* configurations of the interpreter.
+ * For z* procedures referenced from outside their file but not present
+ * in all configurations (e.g., Level 2 operators), the file making the
+ * reference must include a local extern.  Not pretty, but c'est la vie.
+ */
+
+/* Operators exported for the special operator encoding in interp.c. */
+int zadd(P1(os_ptr));
+int zdef(P1(os_ptr));
+int zdup(P1(os_ptr));
+int zexch(P1(os_ptr));
+int zif(P1(os_ptr));
+int zifelse(P1(os_ptr));
+int zindex(P1(os_ptr));
+int zpop(P1(os_ptr));
+int zroll(P1(os_ptr));
+int zsub(P1(os_ptr));
+
+/* Operators exported for server loop implementations. */
+int zflush(P1(os_ptr));
+int zflushpage(P1(os_ptr));
+int zsave(P1(os_ptr));
+int zrestore(P1(os_ptr));
+
+/* Operators exported for save/restore. */
+int zgsave(P1(os_ptr));
+int zgrestore(P1(os_ptr));
+
+/* Operators exported for Level 2 pagedevice facilities. */
+int zcopy_gstate(P1(os_ptr));
+int zcurrentgstate(P1(os_ptr));
+int zgrestoreall(P1(os_ptr));
+int zgstate(P1(os_ptr));
+int zreadonly(P1(os_ptr));
+int zsetdevice(P1(os_ptr));
+int zsetgstate(P1(os_ptr));
+
+/* Operators exported for Level 2 "wrappers". */
+int zcopy(P1(os_ptr));
+int zimage(P1(os_ptr));
+int zimagemask(P1(os_ptr));
+int zwhere(P1(os_ptr));
+
+/* Operators exported for specific-VM operators. */
+int zarray(P1(os_ptr));
+int zdict(P1(os_ptr));
+int zpackedarray(P1(os_ptr));
+int zstring(P1(os_ptr));
+
+/* Operators exported for user path decoding. */
+/* Note that only operators defined in all configurations are declared here. */
+int zclosepath(P1(os_ptr));
+int zcurveto(P1(os_ptr));
+int zlineto(P1(os_ptr));
+int zmoveto(P1(os_ptr));
+int zrcurveto(P1(os_ptr));
+int zrlineto(P1(os_ptr));
+int zrmoveto(P1(os_ptr));
+
+/* Operators exported for CIE cache loading. */
+int zcvx(P1(os_ptr));
+int zexec(P1(os_ptr));		/* also for .runexec */
+int zfor(P1(os_ptr));
+
+/* Odds and ends */
+int zbegin(P1(os_ptr));
+int zcleartomark(P1(os_ptr));
+int zend(P1(os_ptr));
+int zclosefile(P1(os_ptr));	/* for runexec_cleanup */
+int zsetfont(P1(os_ptr));	/* for cshow_continue */
+
+/* Operators exported for special customer needs. */
+int zcurrentdevice(P1(os_ptr));
+int ztoken(P1(os_ptr));
+int ztokenexec(P1(os_ptr));
+int zwrite(P1(os_ptr));
+
+#endif /* opextern_INCLUDED */
diff --git a/pstoraster/ostack.h b/pstoraster/ostack.h
new file mode 100644
index 000000000..bf134dc90
--- /dev/null
+++ b/pstoraster/ostack.h
@@ -0,0 +1,94 @@
+/* Copyright (C) 1991, 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for Ghostscript operand stack */
+
+#ifndef ostack_INCLUDED
+#  define ostack_INCLUDED
+
+#include "iostack.h"
+
+/* Define the operand stack pointers. */
+extern op_stack_t iop_stack;
+
+#define o_stack (iop_stack.stack)
+#define osbot (o_stack.bot)
+#define osp (o_stack.p)
+#define ostop (o_stack.top)
+
+/* Macro to ensure enough room on the operand stack */
+#define check_ostack(n)\
+  if ( ostop - osp < (n) )\
+    { o_stack.requested = (n); return_error(e_stackoverflow); }
+
+/* Operand stack manipulation. */
+
+/* Note that push sets osp to (the new value of) op. */
+#define push(n)\
+  BEGIN\
+    if ( (op += (n)) > ostop )\
+      { o_stack.requested = (n); return_error(e_stackoverflow); }\
+    else osp = op;\
+  END
+
+/*
+ * Note that the pop macro only decrements osp, not op.  For this reason,
+ *
+ *      >>>     pop should only be used just before returning,  <<<
+ *      >>>     or else op must be decremented explicitly.      <<<
+ */
+#define pop(n) (osp -= (n))
+
+/*
+ * Note that the interpreter does not check for operand stack underflow
+ * before calling the operator procedure.  There are "guard" entries
+ * with invalid types and attributes just below the bottom of the
+ * operand stack: if the operator returns with a typecheck error,
+ * the interpreter checks for underflow at that time.
+ * Operators that don't typecheck their arguments must check for
+ * operand stack underflow explicitly; operators that take a variable
+ * number of arguments must also check for stack underflow in those cases
+ * where they expect more than their minimum number of arguments.
+ * (This is because the interpreter can only recognize that a typecheck
+ * is really a stackunderflow when the stack has fewer than the
+ * operator's declared minimum number of entries.)
+ */
+#define check_op(nargs)\
+  if ( op < osbot + ((nargs) - 1) ) return_error(e_stackunderflow)
+/*
+ * Similarly, in order to simplify some overflow checks, we allocate
+ * a few guard entries just above the top of the o-stack.
+ */
+
+/*
+ * The operand stack is implemented as a linked list of blocks:
+ * operators that can push or pop an unbounded number of values, or that
+ * access the entire o-stack, must take this into account.  These are:
+ *      (int)copy  index  roll  clear  count  cleartomark
+ *      counttomark  aload  astore  packedarray
+ *      .get/.putdeviceparams .gethardwareparams
+ */
+
+#endif /* ostack_INCLUDED */
diff --git a/pstoraster/pipe_.h b/pstoraster/pipe_.h
new file mode 100644
index 000000000..9354d9f81
--- /dev/null
+++ b/pstoraster/pipe_.h
@@ -0,0 +1,42 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Declaration of popen and pclose */
+
+#ifndef pipe__INCLUDED
+#  define pipe__INCLUDED
+
+#include "stdio_.h"
+
+/*
+ * popen isn't POSIX-standard, so we declare it here.
+ * Because of inconsistent (and sometimes incorrect) header files,
+ * we must omit the argument list.  Unfortunately, this sometimes causes
+ * more trouble than it cures.
+ */
+extern FILE *popen( /* P2(const char *, const char *) */ );
+extern int pclose(P1(FILE *));
+
+#endif /* pipe__INCLUDED */
diff --git a/pstoraster/pstoraster.c b/pstoraster/pstoraster.c
new file mode 100644
index 000000000..e36426824
--- /dev/null
+++ b/pstoraster/pstoraster.c
@@ -0,0 +1,253 @@
+/*
+ * "$Id$"
+ *
+ *   PostScript RIP filter main entry for the Common UNIX Printing System
+ *   (CUPS).
+ *
+ *   Copyright 1993-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   This code and any derivative of it may be used and distributed
+ *   freely under the terms of the GNU General Public License when
+ *   used with GNU Ghostscript or its derivatives.  Use of the code
+ *   (or any derivative of it) with software other than GNU
+ *   GhostScript (or its derivatives) is governed by the CUPS license
+ *   agreement.
+ *
+ * Contents:
+ *
+ *   main()          - Main entry for pstoraster.
+ *   define_string() - Define a string value...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#define bool bool_              /* (maybe not needed) */
+#define uchar uchar_
+#define uint uint_
+#define ushort ushort_
+#define ulong ulong_
+
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <stdlib.h>
+
+#ifdef __sgi
+#  include <sys/sysmips.h>
+#endif /* __sgi */
+
+#undef bool
+#undef uchar
+#undef uint
+#undef ushort
+#undef ulong
+
+#include "ghost.h"
+#include "imain.h"
+#include "iminst.h"
+#include "istack.h"
+#include "interp.h"
+#include "ostack.h"
+#include "opextern.h"
+#include "gscdefs.h"
+#include "store.h"
+
+
+/*
+ * Globals...
+ */
+
+const char	*cupsProfile = NULL;
+
+
+/*
+ * Local functions...
+ */
+
+static void	define_string(const char *, const char *);
+
+
+/*
+ * 'main()' - Main entry for pstoraster.
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  FILE			*stdfiles[3];	/* Copies of stdin, stdout, and stderr */
+  gs_main_instance	*minst;		/* Interpreter instance */
+  ref			vtrue;		/* True value */
+  int			exit_code;	/* Exit code */
+  ref			error_object;	/* Error object */
+  int			num_options;	/* Number of job options */
+  cups_option_t		*options;	/* Job options */
+  char			gspath[2048];	/* Path to GS files... */
+  const char		*datadir;	/* CUPS_DATADIR env variable */
+  const char		*fontpath;	/* CUPS_FONTPATH env variable */
+
+
+#ifdef __sgi
+ /*
+  * Force unaligned memory access handling on R12K processors...
+  * (this should be done by default...)  Ghostscript is not 64-bit
+  * safe...
+  */
+
+  sysmips(MIPS_FIXADE, 1, 0, 0);
+#endif /* __sgi */
+
+ /*
+  * Force the locale to "C" to avoid bugs...
+  */
+
+  putenv("LANG=C");
+
+ /*
+  * Create a PostScript interpreter instance...
+  */
+
+  minst = gs_main_instance_default();
+
+ /*
+  * Grab the old stdin/stdout/stderr...
+  */
+
+  gs_get_real_stdio(stdfiles);
+
+ /*
+  * Make sure status messages are not buffered...
+  */
+
+  setbuf(stdfiles[2], NULL);
+
+ /*
+  * Grab any job options...
+  */
+
+  num_options = cupsParseOptions(argv[5], 0, &options);
+
+  cupsProfile = cupsGetOption("profile", num_options, options);
+
+ /*
+  * Initialize basic interpreter stuff and read from the named file or
+  * from stdin...
+  */
+
+  if (argc > 6)
+    gs_main_init0(minst, fopen(argv[6], "r"), stdfiles[1], stdfiles[2], 8);
+  else
+    gs_main_init0(minst, stdfiles[0], stdfiles[1], stdfiles[2], 8);
+
+ /*
+  * Tell the interpreter where to find its files...
+  */
+
+  if ((datadir = getenv("CUPS_DATADIR")) == NULL)
+    datadir = CUPS_DATADIR;
+  if ((fontpath = getenv("CUPS_FONTPATH")) == NULL)
+    fontpath = CUPS_FONTPATH;
+
+  snprintf(gspath, sizeof(gspath), "%s/pstoraster:%s", datadir, fontpath);
+
+  minst->lib_path.final = gspath;
+  gs_main_set_lib_paths(minst);
+
+ /*
+  * Set interpreter options...
+  */
+
+  make_true(&vtrue);
+  gs_main_init1(minst);
+  initial_enter_name("QUIET", &vtrue);
+  initial_enter_name("NOPAUSE", &vtrue);
+  initial_enter_name("BATCH", &vtrue);
+
+  define_string("OutputFile", "-");
+
+  define_string("FONTPATH", fontpath);
+
+ /*
+  * Start the interpreter...
+  */
+
+  gs_main_init2(minst);
+  gs_main_run_string(minst, ".runstdin", minst->user_errors, &exit_code,
+                     &error_object);
+
+ /*
+  * Make sure that the last page was printed...
+  */
+
+  zflush(osp);
+  zflushpage(osp);
+
+ /*
+  * And the exit when we're done...
+  */
+
+  gs_exit(exit_code);
+
+  return (0);
+}
+
+
+/*
+ * 'define_string()' - Define a string value...
+ */
+
+static void
+define_string(const char *name,	/* I - Variable to set */
+              const char *s)	/* I - Value */
+{
+  int	len;			/* Length of string */
+  char	*copy;			/* Copy of string */
+  ref	value;			/* Value object */
+
+
+ /*
+  * Get the string value and copy it using strdup().  Note that this uses
+  * the malloc() function, but since we are only running gsrip on "real"
+  * operating systems (no Windows/PC build), this is not a problem...
+  */
+
+  if (s == NULL)
+  {
+    len  = 0;
+    copy = strdup("");
+  }
+  else
+  {
+    len  = strlen(s);
+    copy = strdup(s);
+  };
+  
+ /*
+  * Enter the name in systemdict...
+  */
+
+  make_const_string(&value, a_readonly | avm_foreign, len, (const byte *)copy);
+  initial_enter_name(name, &value);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/pstoraster/sa85x.h b/pstoraster/sa85x.h
new file mode 100644
index 000000000..d01513568
--- /dev/null
+++ b/pstoraster/sa85x.h
@@ -0,0 +1,51 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h; strimpl.h if any templates are referenced */
+
+#ifndef sa85x_INCLUDED
+#  define sa85x_INCLUDED
+
+/* ASCII85Encode */
+/* (no state) */
+extern const stream_template s_A85E_template;
+
+/* ASCII85Decode */
+typedef struct stream_A85D_state_s {
+    stream_state_common;
+    int odd;			/* # of odd digits */
+    ulong word;			/* word being accumulated */
+} stream_A85D_state;
+
+#define private_st_A85D_state()	/* in sfilter2.c */\
+  gs_private_st_simple(st_A85D_state, stream_A85D_state,\
+    "ASCII85Decode state")
+/* We define the initialization procedure here, so that the scanner */
+/* can avoid a procedure call. */
+#define s_A85D_init_inline(ss)\
+  ((ss)->word = 0, (ss)->odd = 0)
+extern const stream_template s_A85D_template;
+
+#endif /* sa85x_INCLUDED */
diff --git a/pstoraster/sbcp.c b/pstoraster/sbcp.c
new file mode 100644
index 000000000..c7c735027
--- /dev/null
+++ b/pstoraster/sbcp.c
@@ -0,0 +1,259 @@
+/* Copyright (C) 1993, 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* BCP and TBCP filters */
+#include "stdio_.h"
+#include "strimpl.h"
+#include "sfilter.h"
+
+#define CtrlA 0x01
+#define CtrlC 0x03
+#define CtrlD 0x04
+#define CtrlE 0x05
+#define CtrlQ 0x11
+#define CtrlS 0x13
+#define CtrlT 0x14
+#define ESC 0x1b
+#define CtrlBksl 0x1c
+
+/* The following is not used yet. */
+/*private const char *TBCP_end_protocol_string = "\033%-12345X"; */
+
+/* ------ BCPEncode and TBCPEncode ------ */
+
+/* Process a buffer */
+private int
+s_xBCPE_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last, const byte * escaped)
+{
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    uint rcount = rlimit - p;
+    byte *q = pw->ptr;
+    uint wcount = pw->limit - q;
+    const byte *end = p + min(rcount, wcount);
+
+    while (p < end) {
+	byte ch = *++p;
+
+	if (ch <= 31 && escaped[ch]) {
+	    if (p == rlimit) {
+		p--;
+		break;
+	    }
+	    *++q = CtrlA;
+	    ch ^= 0x40;
+	    if (--wcount < rcount)
+		end--;
+	}
+	*++q = ch;
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    return (p == rlimit ? 0 : 1);
+}
+
+/* Actual process procedures */
+private int
+s_BCPE_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    static const byte escaped[32] =
+    {
+	0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0
+    };
+
+    return s_xBCPE_process(st, pr, pw, last, escaped);
+}
+private int
+s_TBCPE_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    static const byte escaped[32] =
+    {
+	0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0
+    };
+
+    return s_xBCPE_process(st, pr, pw, last, escaped);
+}
+
+/* Stream templates */
+const stream_template s_BCPE_template =
+{&st_stream_state, NULL, s_BCPE_process, 1, 2
+};
+const stream_template s_TBCPE_template =
+{&st_stream_state, NULL, s_TBCPE_process, 1, 2
+};
+
+/* ------ BCPDecode and TBCPDecode ------ */
+
+private_st_BCPD_state();
+
+/* Initialize the state */
+private int
+s_BCPD_init(stream_state * st)
+{
+    stream_BCPD_state *const ss = (stream_BCPD_state *) st;
+
+    ss->escaped = 0;
+    ss->matched = ss->copy_count = 0;
+    return 0;
+}
+
+/* Process a buffer */
+private int
+s_xBCPD_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last, bool tagged)
+{
+    stream_BCPD_state *const ss = (stream_BCPD_state *) st;
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    int copy_count = ss->copy_count;
+    int status;
+    bool escaped = ss->escaped;
+
+    for (;;) {
+	byte ch;
+
+	if (copy_count) {
+	    if (q == wlimit) {
+		status = (p < rlimit ? 1 : 0);
+		break;
+	    }
+	    *++q = *++(ss->copy_ptr);
+	    copy_count--;
+	    continue;
+	}
+	if (p == rlimit) {
+	    status = 0;
+	    break;
+	}
+	ch = *++p;
+	if (ch <= 31)
+	    switch (ch) {
+		case CtrlA:
+		    if (escaped) {
+			status = ERRC;
+			goto out;
+		    }
+		    escaped = true;
+		    continue;
+		case CtrlC:
+		    status = (*ss->signal_interrupt) (st);
+		    if (status < 0)
+			goto out;
+		    continue;
+		case CtrlD:
+		    if (escaped) {
+			status = ERRC;
+			goto out;
+		    }
+		    status = EOFC;
+		    goto out;
+		case CtrlE:
+		    continue;
+		case CtrlQ:
+		    continue;
+		case CtrlS:
+		    continue;
+		case CtrlT:
+		    status = (*ss->request_status) (st);
+		    if (status < 0)
+			goto out;
+		    continue;
+		case CtrlBksl:
+		    continue;
+	    }
+	if (q == wlimit) {
+	    p--;
+	    status = 1;
+	    break;
+	}
+	if (escaped) {
+	    escaped = false;
+	    switch (ch) {
+		case '[':
+		    if (!tagged) {
+			status = ERRC;
+			goto out;
+		    }
+		    /* falls through */
+		case 'A':
+		case 'C':
+		case 'D':
+		case 'E':
+		case 'Q':
+		case 'S':
+		case 'T':
+		case '\\':
+		    ch ^= 0x40;
+		    break;
+		case 'M':
+		    if (!tagged) {
+			status = ERRC;
+			goto out;
+		    }
+		    continue;
+		default:
+		    status = ERRC;
+		    goto out;
+	    }
+	}
+	*++q = ch;
+    }
+  out:ss->copy_count = copy_count;
+    ss->escaped = escaped;
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Actual process procedures */
+private int
+s_BCPD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    return s_xBCPD_process(st, pr, pw, last, false);
+}
+private int
+s_TBCPD_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    return s_xBCPD_process(st, pr, pw, last, true);
+}
+
+/* Stream templates */
+const stream_template s_BCPD_template =
+{&st_BCPD_state, s_BCPD_init, s_BCPD_process, 1, 1,
+ NULL, NULL, s_BCPD_init
+};
+const stream_template s_TBCPD_template =
+{&st_BCPD_state, s_BCPD_init, s_TBCPD_process, 1, 1,
+ NULL, NULL, s_BCPD_init
+};
diff --git a/pstoraster/sbhc.c b/pstoraster/sbhc.c
new file mode 100644
index 000000000..157c5f997
--- /dev/null
+++ b/pstoraster/sbhc.c
@@ -0,0 +1,291 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Bounded Huffman code filters */
+#include "memory_.h"
+#include "stdio_.h"
+#include "gdebug.h"
+#include "strimpl.h"
+#include "sbhc.h"
+#include "shcgen.h"
+
+/* ------ BoundedHuffmanEncode ------ */
+
+private_st_BHCE_state();
+
+/* Initialize BoundedHuffmanEncode filter. */
+private int
+s_BHCE_reinit(stream_state * st)
+{
+    stream_BHCE_state *const ss = (stream_BHCE_state *) st;
+
+    ss->encode.count = ss->definition.num_values;
+    s_bhce_init_inline(ss);
+    return 0;
+}
+private int
+s_BHCE_init(register stream_state * st)
+{
+    stream_BHCE_state *const ss = (stream_BHCE_state *) st;
+    hce_code *encode = ss->encode.codes =
+    (hce_code *) gs_alloc_byte_array(st->memory,
+				     ss->definition.num_values,
+				     sizeof(hce_code), "BHCE encode");
+
+    if (encode == 0)
+	return ERRC;
+/****** WRONG ******/
+    hc_make_encoding(encode, &ss->definition);
+    return s_BHCE_reinit(st);
+}
+
+/* Release the filter. */
+private void
+s_BHCE_release(stream_state * st)
+{
+    stream_BHCE_state *const ss = (stream_BHCE_state *) st;
+
+    gs_free_object(st->memory, ss->encode.codes, "BHCE encode");
+}
+
+/* Process a buffer. */
+private int
+s_BHCE_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_BHCE_state *const ss = (stream_BHCE_state *) st;
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit - (hc_bits_size >> 3);
+    const hce_code *encode = ss->encode.codes;
+    uint num_values = ss->definition.num_values;
+    uint zero_runs = ss->EncodeZeroRuns;
+    uint zero_max = num_values - zero_runs + (ss->EndOfData ? 0 : 1);
+    uint zero_value = (zero_max > 1 ? 0 : 0x100);
+    int zeros = ss->zeros;
+    int status = 0;
+
+    hce_declare_state;
+
+    hce_load_state();
+    while (p < rlimit && q < wlimit) {
+	uint value = *++p;
+	const hce_code *cp;
+
+	if (value >= num_values) {
+	    status = ERRC;
+	    break;
+	}
+	if (value == zero_value) {	/* Accumulate a run of zeros. */
+	    ++zeros;
+	    if (zeros != zero_max)
+		continue;
+	    /* We've scanned the longest run we can encode. */
+	    cp = &encode[zeros - 2 + zero_runs];
+	    zeros = 0;
+	    hc_put_code((stream_hc_state *) ss, q, cp);
+	    continue;
+	}
+	/* Check whether we need to put out a zero run. */
+	if (zeros > 0) {
+	    --p;
+	    cp = (zeros == 1 ? &encode[0] :
+		  &encode[zeros - 2 + zero_runs]);
+	    zeros = 0;
+	    hc_put_code((stream_hc_state *) ss, q, cp);
+	    continue;
+	}
+	cp = &encode[value];
+	hc_put_code((stream_hc_state *) ss, q, cp);
+    }
+    if (q >= wlimit)
+	status = 1;
+    wlimit = pw->limit;
+    if (last && status == 0) {
+	if (zeros > 0) {	/* Put out a final run of zeros. */
+	    const hce_code *cp = (zeros == 1 ? &encode[0] :
+				  &encode[zeros - 2 + zero_runs]);
+
+	    if (!hce_bits_available(cp->code_length))
+		status = 1;
+	    else {
+		hc_put_code((stream_hc_state *) ss, q, cp);
+		zeros = 0;
+	    }
+	}
+	if (ss->EndOfData) {	/* Put out the EOD code if we have room. */
+	    const hce_code *cp = &encode[num_values - 1];
+
+	    if (!hce_bits_available(cp->code_length))
+		status = 1;
+	    else
+		hc_put_code((stream_hc_state *) ss, q, cp);
+	} else {
+	    if (q >= wlimit)
+		status = 1;
+	}
+	if (!status) {
+	    q = hc_put_last_bits((stream_hc_state *) ss, q);
+	    goto ns;
+	}
+    }
+    hce_store_state();
+  ns:pr->ptr = p;
+    pw->ptr = q;
+    ss->zeros = zeros;
+    return (p == rlimit ? 0 : 1);
+}
+
+/* Stream template */
+const stream_template s_BHCE_template =
+{&st_BHCE_state, s_BHCE_init, s_BHCE_process,
+ 1, hc_bits_size >> 3, s_BHCE_release, NULL, s_BHCE_reinit
+};
+
+/* ------ BoundedHuffmanDecode ------ */
+
+private_st_BHCD_state();
+
+#define hcd_initial_bits 7	/* arbitrary, >= 1 and <= 8 */
+
+/* Initialize BoundedHuffmanDecode filter. */
+private int
+s_BHCD_reinit(stream_state * st)
+{
+    stream_BHCD_state *const ss = (stream_BHCD_state *) st;
+
+    ss->decode.count = ss->definition.num_values;
+    s_bhcd_init_inline(ss);
+    return 0;
+}
+private int
+s_BHCD_init(register stream_state * st)
+{
+    stream_BHCD_state *const ss = (stream_BHCD_state *) st;
+    uint initial_bits = ss->decode.initial_bits =
+    min(hcd_initial_bits, ss->definition.num_counts);
+    uint dsize = hc_sizeof_decoding(&ss->definition, initial_bits);
+    hcd_code *decode = ss->decode.codes =
+    (hcd_code *) gs_alloc_byte_array(st->memory, dsize,
+				     sizeof(hcd_code), "BHCD decode");
+
+    if (decode == 0)
+	return ERRC;
+/****** WRONG ******/
+    hc_make_decoding(decode, &ss->definition, initial_bits);
+    return s_BHCD_reinit(st);
+}
+
+/* Release the filter. */
+private void
+s_BHCD_release(stream_state * st)
+{
+    stream_BHCD_state *const ss = (stream_BHCD_state *) st;
+
+    gs_free_object(st->memory, ss->decode.codes, "BHCD decode");
+}
+
+/* Process a buffer. */
+private int
+s_BHCD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_BHCD_state *const ss = (stream_BHCD_state *) st;
+
+    bhcd_declare_state;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    const hcd_code *decode = ss->decode.codes;
+    uint initial_bits = ss->decode.initial_bits;
+    uint zero_runs = ss->EncodeZeroRuns;
+    int status = 0;
+    int eod = (ss->EndOfData ? ss->definition.num_values - 1 : -1);
+
+    bhcd_load_state();
+  z:for (; zeros > 0; --zeros) {
+	if (q >= wlimit) {
+	    status = 1;
+	    goto out;
+	}
+	*++q = 0;
+    }
+    for (;;) {
+	const hcd_code *cp;
+	int clen;
+
+	hcd_ensure_bits(initial_bits, x1);
+	cp = &decode[hcd_peek_var_bits(initial_bits)];
+      w1:if (q >= wlimit) {
+	    status = 1;
+	    break;
+	}
+	if ((clen = cp->code_length) > initial_bits) {
+	    if (!hcd_bits_available(clen)) {	/* We don't have enough bits for */
+		/* all possible codes that begin this way, */
+		/* but we might have enough for */
+		/* the next code. */
+/****** NOT IMPLEMENTED YET ******/
+		break;
+	    }
+	    clen -= initial_bits;
+	    hcd_skip_bits(initial_bits);
+	    hcd_ensure_bits(clen, out);		/* can't exit */
+	    cp = &decode[cp->value + hcd_peek_var_bits(clen)];
+	    hcd_skip_bits(cp->code_length);
+	} else {
+	    hcd_skip_bits(clen);
+	}
+	if (cp->value >= zero_runs) {
+	    if (cp->value == eod) {
+		status = EOFC;
+		goto out;
+	    }
+	    /* This code represents a run of zeros, */
+	    /* not a single output value. */
+	    zeros = cp->value - zero_runs + 2;
+	    goto z;
+	}
+	*++q = cp->value;
+	continue;
+	/* We don't have enough bits for all possible */
+	/* codes, but we might have enough for */
+	/* the next code. */
+      x1:cp = &decode[(bits & ((1 << bits_left) - 1)) <<
+		     (initial_bits - bits_left)];
+	if ((clen = cp->code_length) <= bits_left)
+	    goto w1;
+	break;
+    }
+  out:bhcd_store_state();
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_BHCD_template =
+{&st_BHCD_state, s_BHCD_init, s_BHCD_process, 1, 1, s_BHCD_release,
+ NULL, s_BHCD_reinit
+};
diff --git a/pstoraster/sbhc.h b/pstoraster/sbhc.h
new file mode 100644
index 000000000..e0317cabc
--- /dev/null
+++ b/pstoraster/sbhc.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires strimpl.h */
+
+#ifndef sbhc_INCLUDED
+#  define sbhc_INCLUDED
+
+#include "shc.h"
+
+/*
+ * The BoundedHuffman filters extend the basic Huffman coding model by
+ * providing the ability to encode runs of zeros as a single data item,
+ * and by providing an end-of-data (EOD) marker.
+ */
+#define max_zero_run 100
+
+/* Common state */
+#define stream_BHC_state_common\
+	stream_hc_state_common;\
+	hc_definition definition;\
+		/* The client sets the following before initialization. */\
+	bool EndOfData;\
+	uint EncodeZeroRuns;\
+		/* The following are updated dynamically. */\
+	int zeros		/* # of zeros scanned or left to output */
+typedef struct stream_BHC_state_s {
+    stream_BHC_state_common;
+} stream_BHC_state;
+
+/* BoundedHuffmanEncode */
+typedef struct stream_BHCE_state_s {
+    stream_BHC_state_common;
+    hce_table encode;
+} stream_BHCE_state;
+
+#define private_st_BHCE_state()	/* in sbhc.c */\
+  gs_private_st_ptrs3(st_BHCE_state, stream_BHCE_state,\
+    "BoundedHuffmanEncode state", bhce_enum_ptrs, bhce_reloc_ptrs,\
+    definition.counts, definition.values, encode.codes)
+extern const stream_template s_BHCE_template;
+
+#define s_bhce_init_inline(ss)\
+  (s_hce_init_inline(ss), (ss)->zeros = 0)
+
+/* BoundedHuffmanDecode */
+typedef struct stream_BHCD_state_s {
+    stream_BHC_state_common;
+    hcd_table decode;
+} stream_BHCD_state;
+
+#define private_st_BHCD_state()	/* in sbhc.c */\
+  gs_private_st_ptrs3(st_BHCD_state, stream_BHCD_state,\
+    "BoundedHuffmanDecode state", bhcd_enum_ptrs, bhcd_reloc_ptrs,\
+    definition.counts, definition.values, decode.codes)
+extern const stream_template s_BHCD_template;
+
+#define s_bhcd_init_inline(ss)\
+  (s_hcd_init_inline(ss), (ss)->zeros = 0)
+
+/* Declare variables that hold the decoder state. */
+#define bhcd_declare_state\
+	hcd_declare_state;\
+	int zeros
+
+/* Load the state from the stream. */
+/* Free variables: pr, ss, p, rlimit, bits, bits_left, zeros. */
+#define bhcd_load_state()\
+	hcd_load_state(), zeros = ss->zeros
+
+/* Store the state back in the stream. */
+/* Free variables: pr, ss, p, bits, bits_left, zeros. */
+#define bhcd_store_state()\
+	hcd_store_state(), ss->zeros = zeros
+
+#endif /* sbhc_INCLUDED */
diff --git a/pstoraster/sbtx.h b/pstoraster/sbtx.h
new file mode 100644
index 000000000..e1a3324bf
--- /dev/null
+++ b/pstoraster/sbtx.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h; strimpl.h if any templates are referenced */
+
+#ifndef sbtx_INCLUDED
+#  define sbtx_INCLUDED
+
+/* ByteTranslateEncode/Decode */
+typedef struct stream_BT_state_s {
+    stream_state_common;
+    byte table[256];
+} stream_BT_state;
+typedef stream_BT_state stream_BTE_state;
+typedef stream_BT_state stream_BTD_state;
+
+#define private_st_BT_state()	/* in sfilter1.c */\
+  gs_private_st_simple(st_BT_state, stream_BT_state,\
+    "ByteTranslateEncode/Decode state")
+extern const stream_template s_BTE_template;
+extern const stream_template s_BTD_template;
+
+#endif /* sbtx_INCLUDED */
diff --git a/pstoraster/sbwbs.c b/pstoraster/sbwbs.c
new file mode 100644
index 000000000..1523ac7b1
--- /dev/null
+++ b/pstoraster/sbwbs.c
@@ -0,0 +1,535 @@
+/* Copyright (C) 1994, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Burrows/Wheeler block sorting compression filters */
+#include "stdio_.h"
+#include "memory_.h"
+#include <stdlib.h>		/* for qsort */
+#include "gdebug.h"
+#include "strimpl.h"
+#include "sfilter.h"
+#include "sbwbs.h"
+
+/* ------ Common code for streams that buffer a block ------ */
+
+private_st_buffered_state();
+
+/* Initialize */
+private int
+s_buffered_no_block_init(stream_state * st)
+{
+    stream_buffered_state *const ss = (stream_buffered_state *) st;
+
+    ss->buffer = 0;
+    ss->filling = true;
+    ss->bpos = 0;
+    return 0;
+}
+private int
+s_buffered_block_init(stream_state * st)
+{
+    stream_buffered_state *const ss = (stream_buffered_state *) st;
+
+    s_buffered_no_block_init(st);
+    ss->buffer = gs_alloc_bytes(st->memory, ss->BlockSize, "buffer");
+    if (ss->buffer == 0)
+	return ERRC;
+/****** WRONG ******/
+    return 0;
+}
+
+/* Continue filling the buffer if needed. */
+/* Return 0 if the buffer isn't full yet, 1 if it is full or if */
+/* we reached the end of input data. */
+/* In the latter case, also set filling = false. */
+/* Note that this procedure doesn't take pw as an argument. */
+private int
+s_buffered_process(stream_state * st, stream_cursor_read * pr, bool last)
+{
+    stream_buffered_state *const ss = (stream_buffered_state *) st;
+    register const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    uint count = rlimit - p;
+    uint left = ss->bsize - ss->bpos;
+
+    if (!ss->filling)
+	return 1;
+    if (left < count)
+	count = left;
+    if_debug3('w', "[w]buffering %d bytes to position %d, last = %s\n",
+	      count, ss->bpos, (last ? "true" : "false"));
+    memcpy(ss->buffer + ss->bpos, p + 1, count);
+    pr->ptr = p += count;
+    ss->bpos += count;
+    if (ss->bpos == ss->bsize || (p == rlimit && last)) {
+	ss->filling = false;
+	return 1;
+    }
+    return 0;
+}
+
+/* Release */
+private void
+s_buffered_release(stream_state * st)
+{
+    stream_buffered_state *const ss = (stream_buffered_state *) st;
+
+    gs_free_object(st->memory, ss->buffer, "buffer");
+}
+
+/* ------ Common code for Burrows/Wheeler block sorting filters ------ */
+
+private_st_BWBS_state();
+private void s_BWBS_release(P1(stream_state *));
+
+/* Initialize */
+private int
+bwbs_init(stream_state * st, uint osize)
+{
+    stream_BWBS_state *const ss = (stream_BWBS_state *) st;
+    int code;
+
+    ss->bsize = ss->BlockSize;
+    code = s_buffered_block_init(st);
+    if (code != 0)
+	return code;
+    ss->offsets = (void *)gs_alloc_bytes(st->memory, osize,
+					 "BWBlockSort offsets");
+    if (ss->offsets == 0) {
+	s_BWBS_release(st);
+	return ERRC;
+/****** WRONG ******/
+    }
+    ss->I = -1;			/* haven't read I yet */
+    return 0;
+}
+
+/* Release the filter. */
+private void
+s_BWBS_release(stream_state * st)
+{
+    stream_BWBS_state *const ss = (stream_BWBS_state *) st;
+
+    gs_free_object(st->memory, ss->offsets, "BWBlockSort offsets");
+    s_buffered_release(st);
+}
+
+/* ------ BWBlockSortEncode ------ */
+
+/* Initialize */
+private int
+s_BWBSE_init(stream_state * st)
+{
+    stream_BWBS_state *const ss = (stream_BWBS_state *) st;
+
+    return bwbs_init(st, ss->BlockSize * sizeof(int));
+}
+
+/* Compare two rotated strings for sorting. */
+private stream_BWBS_state *bwbs_compare_ss;
+private int
+bwbs_compare_rotations(const void *p1, const void *p2)
+{
+    const byte *buffer = bwbs_compare_ss->buffer;
+    const byte *s1 = buffer + *(const int *)p1;
+    const byte *s2 = buffer + *(const int *)p2;
+    const byte *start1;
+    const byte *end;
+    int swap;
+
+    if (*s1 != *s2)
+	return (*s1 < *s2 ? -1 : 1);
+    if (s1 < s2)
+	swap = 1;
+    else {
+	const byte *t = s1;
+
+	s1 = s2;
+	s2 = t;
+	swap = -1;
+    }
+    start1 = s1;
+    end = buffer + bwbs_compare_ss->N;
+    for (s1++, s2++; s2 < end; s1++, s2++)
+	if (*s1 != *s2)
+	    return (*s1 < *s2 ? -swap : swap);
+    s2 = buffer;
+    for (; s1 < end; s1++, s2++)
+	if (*s1 != *s2)
+	    return (*s1 < *s2 ? -swap : swap);
+    s1 = buffer;
+    for (; s1 < start1; s1++, s2++)
+	if (*s1 != *s2)
+	    return (*s1 < *s2 ? -swap : swap);
+    return 0;
+}
+/* Sort the strings. */
+private void
+bwbse_sort(const byte * buffer, uint * indices, int N)
+{
+    offsets_full Cs;
+
+#define C Cs.v
+    /* Sort the strings.  We start with a radix sort. */
+    uint sum = 0, j, ch;
+
+    memset(C, 0, sizeof(Cs));
+    for (j = 0; j < N; j++)
+	C[buffer[j]]++;
+    for (ch = 0; ch <= 255; ch++) {
+	sum += C[ch];
+	C[ch] = sum - C[ch];
+    }
+    for (j = 0; j < N; j++)
+	indices[C[buffer[j]]++] = j;
+    /* Now C[ch] = the number of strings that start */
+    /* with a character less than or equal to ch. */
+    sum = 0;
+    /* qsort each bucket produced by the radix sort. */
+    for (ch = 0; ch <= 255; sum = C[ch], ch++)
+	qsort(indices + sum, C[ch] - sum,
+	      sizeof(*indices),
+	      bwbs_compare_rotations);
+#undef C
+}
+
+/* Encode a buffer */
+private int
+s_BWBSE_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    stream_BWBS_state *const ss = (stream_BWBS_state *) st;
+    register byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    uint wcount = wlimit - q;
+    uint *indices = ss->offsets;
+
+    if (ss->filling) {
+	int status, j, N;
+	byte *buffer = ss->buffer;
+	if (wcount < sizeof(int) * 2)
+	        return 1;
+
+	/* Continue filling the buffer. */
+	status = s_buffered_process(st, pr, last);
+	if (!status)
+	    return 0;
+	ss->N = N = ss->bpos;
+	/* We reverse the string before encoding it, */
+	/* so it will come out of the decoder correctly. */
+	for (j = N / 2 - 1; j >= 0; j--) {
+	    byte *p0 = &buffer[j];
+	    byte *p1 = &buffer[N - 1 - j];
+	    byte b = *p0;
+
+	    *p0 = *p1;
+	    *p1 = b;
+	}
+	/* Save st in a static, because that's the only way */
+	/* we can pass it to the comparison procedure (ugh). */
+	bwbs_compare_ss = ss;
+	/* Sort the strings. */
+	bwbse_sort(buffer, indices, N);
+	/* Find the unrotated string. */
+	for (j = 0; j < N; j++)
+	    if (indices[j] == 0) {
+		ss->I = j;
+		break;
+	    }
+	for (j = sizeof(int); --j >= 0;)
+	    *++q = (byte) (N >> (j * 8));
+	for (j = sizeof(int); --j >= 0;)
+	    *++q = (byte) (ss->I >> (j * 8));
+	ss->bpos = 0;
+    }
+    /* We're reading out of the buffer, writing the permuted string. */
+    while (q < wlimit && ss->bpos < ss->N) {
+	int i = indices[ss->bpos++];
+
+	*++q = ss->buffer[(i == 0 ? ss->N - 1 : i - 1)];
+    }
+    if (ss->bpos == ss->N) {
+	ss->filling = true;
+	ss->bpos = 0;
+    }
+    pw->ptr = q;
+    if (q == wlimit)
+	return 1;
+    return 0;
+}
+
+/* Stream template */
+const stream_template s_BWBSE_template =
+{&st_BWBS_state, s_BWBSE_init, s_BWBSE_process, sizeof(int) * 2, 1, s_BWBS_release
+};
+
+/* ------ BWBlockSortDecode ------ */
+
+#define SHORT_OFFSETS
+
+#ifdef SHORT_OFFSETS
+
+/*
+ * Letting S[0..N-1] be the data block before depermutation, we need
+ * a table P[0..N-1] that maps the index i to O(S[i],i), where O(c,i) is
+ * the number of occurrences of c in S before position i.
+ * We observe that for a fixed c, O(c,i) is monotonic with i,
+ * and falls in the range 0 .. i; consequently, if 0 <= i <= j,
+ * 0 <= O(c,j) - O(c,i) <= j - i.  Proceeding from this observation,
+ * rather than allocate an entire int to each entry of P,
+ * we construct three tables as follows:
+ *      P2[k,c] = O(c,k*65536) for k = 0 .. (N-1)/65536;
+ *              each entry requires an int.
+ *      P1[k,c] = O(c,k*4096) - P2[k/16,c] for k = 0 .. (N-1)/4096;
+ *              each entry falls in the range 0 .. 15*4096 and hence
+ *              requires 16 bits.
+ *      P0[i] = O(S[i],i) - P1[i/4096,S[i]] for i = 0 .. N-1;
+ *              each entry falls in the range 0 .. 4095 and hence
+ *              requires 12 bits.
+ * Since the value we need in the decompression loop is actually
+ * P[i] + C[S[i]], where C[c] is the sum of O(0,N) ... O(c-1,N),
+ * we add C[c] into P2[k,c] for all k.
+ */
+							/*typedef struct { uint v[256]; } offsets_full; *//* in sbwbs.h */
+typedef struct {
+    bits16 v[256];
+} offsets_4k;
+
+#if arch_sizeof_int > 2
+#  define ceil_64k(n) (((n) + 0xffff) >> 16)
+#else
+#  define ceil_64k(n) 1
+#endif
+#define ceil_4k(n) (((n) + 0xfff) >> 12)
+#define offset_space(bsize)\
+  (ceil_64k(bsize) * sizeof(offsets_full) +\
+   ceil_4k(bsize) * sizeof(offsets_4k) +\
+   ((bsize + 1) >> 1) * 3)
+
+#else /* !SHORT_OFFSETS */
+
+#define offset_space(bsize)\
+  (bsize * sizeof(int))
+
+#endif /* (!)SHORT_OFFSETS */
+
+/* Initialize */
+private int
+s_BWBSD_init(stream_state * st)
+{
+    stream_BWBS_state *const ss = (stream_BWBS_state *) st;
+    uint bsize = ss->BlockSize;
+
+    return bwbs_init(st, offset_space(bsize));
+}
+
+/* Construct the decoding tables. */
+
+#ifdef SHORT_OFFSETS
+
+private void
+bwbsd_construct_offsets(stream_BWBS_state * sst, offsets_full * po64k,
+			offsets_4k * po4k, byte * po1, int N)
+{
+    offsets_full Cs;
+
+#define C Cs.v
+    uint i1;
+    byte *b = sst->buffer;
+    offsets_full *p2 = po64k - 1;
+    offsets_4k *p1 = po4k;
+    byte *p0 = po1;
+
+    memset(C, 0, sizeof(Cs));
+    for (i1 = 0; i1 < ceil_4k(N); i1++, p1++) {
+	int j;
+
+	if (!(i1 & 15))
+	    *++p2 = Cs;
+	for (j = 0; j < 256; j++)
+	    p1->v[j] = C[j] - p2->v[j];
+	j = (N + 1 - (i1 << 12)) >> 1;
+	if (j > 4096 / 2)
+	    j = 4096 / 2;
+	for (; j > 0; j--, b += 2, p0 += 3) {
+	    byte b0 = b[0];
+	    uint d0 = C[b0]++ - (p1->v[b0] + p2->v[b0]);
+	    byte b1 = b[1];
+	    uint d1 = C[b1]++ - (p1->v[b1] + p2->v[b1]);
+
+	    p0[0] = d0 >> 4;
+	    p0[1] = (byte) ((d0 << 4) + (d1 >> 8));
+	    p0[2] = (byte) d1;
+	}
+    }
+    /* If the block length is odd, discount the extra byte. */
+    if (N & 1)
+	C[sst->buffer[N]]--;
+    /* Compute the cumulative totals in C. */
+    {
+	int sum = 0, ch;
+
+	for (ch = 0; ch <= 255; ch++) {
+	    sum += C[ch];
+	    C[ch] = sum - C[ch];
+	}
+    }
+    /* Add the C values back into the 64K table, */
+    /* which saves an addition of C[b] in the decoding loop. */
+    {
+	int i2, ch;
+
+	for (p2 = po64k, i2 = ceil_64k(N); i2 > 0; p2++, i2--)
+	    for (ch = 0; ch < 256; ch++)
+		p2->v[ch] += C[ch];
+    }
+#undef C
+}
+
+#else /* !SHORT_OFFSETS */
+
+private void
+bwbsd_construct_offsets(stream_BWBS_state * sst, int *po, int N)
+{
+    offsets_full Cs;
+
+#define C Cs.v
+    uint i;
+    byte *b = sst->buffer;
+    int *p = po;
+
+    memset(C, 0, sizeof(Cs));
+    for (i = 0; i < N; i++, p++, b++)
+	*p = C[*b]++;
+    /* Compute the cumulative totals in C. */
+    {
+	int sum = 0, ch;
+
+	for (ch = 0; ch <= 255; ch++) {
+	    sum += C[ch];
+	    C[ch] = sum - C[ch];
+	}
+    }
+    /* Add the C values back into the offsets. */
+    for (i = 0, b = sst->buffer, p = po; i < N; i++, b++, p++)
+	*p += C[*b];
+#undef C
+}
+
+#endif /* (!)SHORT_OFFSETS */
+
+/* Decode a buffer */
+private int
+s_BWBSD_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    stream_BWBS_state *const ss = (stream_BWBS_state *) st;
+    register const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    uint count = rlimit - p;
+    register byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+
+#ifdef SHORT_OFFSETS
+    uint BlockSize = ss->BlockSize;
+    offsets_full *po64k = ss->offsets;
+    offsets_4k *po4k = (offsets_4k *) (po64k + ceil_64k(BlockSize));
+    byte *po1 = (byte *) (po4k + ceil_4k(BlockSize));
+
+#else /* !SHORT_OFFSETS */
+    int *po = ss->offsets;
+
+#endif /* (!)SHORT_OFFSETS */
+
+    if (ss->I < 0) {		/* Read block parameters */
+	int I, N, j;
+	if (count < sizeof(int) * 2)
+	        return 0;
+	for (N = 0, j = 0; j < sizeof(int); j++)
+
+	    N = (N << 8) + *++p;
+	for (I = 0, j = 0; j < sizeof(int); j++)
+
+	    I = (I << 8) + *++p;
+	ss->N = N;
+	ss->I = I;
+	if_debug2('w', "[w]N=%d I=%d\n", N, I);
+	pr->ptr = p;
+	if (N < 0 || N > ss->BlockSize || I < 0 || I >= N)
+	    return ERRC;
+	if (N == 0)
+	    return EOFC;
+	count -= sizeof(int) * 2;
+
+	ss->bpos = 0;
+	ss->bsize = N;
+    }
+    if (ss->filling) {		/* Continue filling the buffer. */
+	if (!s_buffered_process(st, pr, last))
+	    return 0;
+	/* Construct the inverse sort order. */
+#ifdef SHORT_OFFSETS
+	bwbsd_construct_offsets(ss, po64k, po4k, po1, ss->bsize);
+#else /* !SHORT_OFFSETS */
+	bwbsd_construct_offsets(ss, po, ss->bsize);
+#endif /* (!)SHORT_OFFSETS */
+	ss->bpos = 0;
+	ss->i = ss->I;
+    }
+    /* We're reading out of the buffer. */
+    while (q < wlimit && ss->bpos < ss->bsize) {
+	int i = ss->i;
+	byte b = ss->buffer[i];
+
+#ifdef SHORT_OFFSETS
+	uint d;
+	const byte *pd = &po1[(i >> 1) + i];
+
+	*++q = b;
+	if (!(i & 1))
+	    d = ((uint) pd[0] << 4) + (pd[1] >> 4);
+	else
+	    d = ((pd[0] & 0xf) << 8) + pd[1];
+	ss->i = po64k[i >> 16].v[b] + po4k[i >> 12].v[b] + d;
+#else /* !SHORT_OFFSETS */
+	*++q = b;
+	ss->i = po[i];
+#endif /* (!)SHORT_OFFSETS */
+	ss->bpos++;
+    }
+    if (ss->bpos == ss->bsize) {
+	ss->I = -1;
+	ss->filling = true;
+    }
+    pw->ptr = q;
+    if (q == wlimit)
+	return 1;
+    return 0;
+}
+
+/* Stream template */
+const stream_template s_BWBSD_template =
+{&st_BWBS_state, s_BWBSD_init, s_BWBSD_process, 1, sizeof(int) * 2, s_BWBS_release
+};
diff --git a/pstoraster/sbwbs.h b/pstoraster/sbwbs.h
new file mode 100644
index 000000000..0018673b8
--- /dev/null
+++ b/pstoraster/sbwbs.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h; strimpl.h if any templates are referenced */
+
+#ifndef sbwbs_INCLUDED
+#  define sbwbs_INCLUDED
+
+/* Common framework for streams that buffer a block for processing */
+#define stream_buffered_state_common\
+	stream_state_common;\
+		/* The client may set the following before initialization, */\
+		/* or the stream may set it later. */\
+	int BlockSize;\
+		/* The init procedure sets the following, */\
+		/* if BlockSize has been set. */\
+	byte *buffer;		/* [BlockSize] */\
+		/* The following are updated dynamically. */\
+	bool filling;		/* true if filling buffer, */\
+				/* false if emptying */\
+	int bsize;		/* size of current block (<= BlockSize) */\
+	int bpos		/* current index within buffer */
+typedef struct stream_buffered_state_s {
+    stream_buffered_state_common;
+} stream_buffered_state;
+
+#define private_st_buffered_state()	/* in sbwbs.c */\
+  gs_private_st_ptrs1(st_buffered_state, stream_buffered_state,\
+    "stream_buffered state", sbuf_enum_ptrs, sbuf_reloc_ptrs, buffer)
+
+/* BWBlockSortEncode/Decode */
+typedef struct of_ {
+    uint v[256];
+} offsets_full;
+typedef struct stream_BWBS_state_s {
+    stream_buffered_state_common;
+    /* The init procedure sets the following. */
+    void *offsets;		/* permutation indices when writing, */
+    /* multi-level indices when reading */
+    /* The following are updated dynamically. */
+    int N;			/* actual length of block */
+    /* The following are only used when decoding. */
+    int I;			/* index of unrotated string */
+    int i;			/* next index in encoded string */
+} stream_BWBS_state;
+typedef stream_BWBS_state stream_BWBSE_state;
+typedef stream_BWBS_state stream_BWBSD_state;
+
+#define private_st_BWBS_state()	/* in sbwbs.c */\
+  gs_private_st_suffix_add1(st_BWBS_state, stream_BWBS_state,\
+    "BWBlockSortEncode/Decode state", bwbs_enum_ptrs, bwbs_reloc_ptrs,\
+    st_buffered_state, offsets)
+extern const stream_template s_BWBSE_template;
+extern const stream_template s_BWBSD_template;
+
+#endif /* sbwbs_INCLUDED */
diff --git a/pstoraster/scanchar.h b/pstoraster/scanchar.h
new file mode 100644
index 000000000..8c5d25d21
--- /dev/null
+++ b/pstoraster/scanchar.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 1990, 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h */
+
+#ifndef scanchar_INCLUDED
+#  define scanchar_INCLUDED
+
+/*
+ * An array for fast scanning of names, numbers, and hex strings.
+ * Indexed by character code (including exceptions), it contains:
+ *      0 - max_radix-1 for valid digits,
+ *      ctype_name for other characters valid in names,
+ *      ctype_btoken for characters introducing binary tokens
+ *        (if the binary token feature is enabled),
+ *      ctype_space for whitespace characters,
+ *      ctype_exception for exceptions (see scommon.h), and
+ *      ctype_other for everything else.
+ * Exceptions are negative values; we bias the table origin accordingly.
+ *
+ * NOTE: This table is defined in iscantab.c and used in a variety of places.
+ * If any of the values below change, you must edit the table.
+ */
+extern const byte scan_char_array[max_stream_exception + 256];
+
+#define scan_char_decoder (&scan_char_array[max_stream_exception])
+#define min_radix 2
+#define max_radix 36
+#define ctype_name 100
+#define ctype_btoken 101
+#define ctype_space 102
+#define ctype_other 103
+#define ctype_exception 104
+/* Special characters with no \xxx representation */
+#define char_NULL 0
+#define char_EOT 004		/* ^D, job delimiter */
+#define char_VT 013		/* ^K, vertical tab */
+#define char_DOS_EOF 032	/* ^Z */
+/*
+ * Most systems define '\n' as 0x0a and '\r' as 0x0d; however, OS-9
+ * has '\n' = '\r' = 0x0d and '\l' = 0x0a.  To deal with this,
+ * we introduce abstract characters char_CR and char_EOL such that
+ * any of [char_CR], [char_CR char_EOL], or [char_EOL] is recognized
+ * as an end-of-line sequence.
+ */
+#define char_CR '\r'
+#if '\r' == '\n'
+#  define char_EOL 0x0a		/* non-OS-9 compilers complain about '\l' */
+#else
+#  define char_EOL '\n'
+#endif
+
+#endif /* scanchar_INCLUDED */
diff --git a/pstoraster/scantab.c b/pstoraster/scantab.c
new file mode 100644
index 000000000..f36243603
--- /dev/null
+++ b/pstoraster/scantab.c
@@ -0,0 +1,112 @@
+/* Copyright (C) 1994, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Scanner table for PostScript/PDF tokens */
+#include "stdpre.h"
+#include "scommon.h"
+#include "scanchar.h"		/* defines interface */
+
+/* Define the character scanning table (see scanchar.h). */
+const byte scan_char_array[max_stream_exception + 256] =
+{stream_exception_repeat(ctype_exception),
+		/* Control characters 0-31. */
+ ctype_space,			/* NULL - standard only in Level 2 */
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name,
+ ctype_space,			/* TAB (\t) */
+ ctype_space,			/* LF (\n) */
+ ctype_name,
+ ctype_space,			/* FF (\f) */
+ ctype_space,			/* CR (\r) */
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name,
+		/* Printable characters 32-63 */
+ ctype_space,			/* space (\s) */
+ ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_other,			/* % */
+ ctype_name, ctype_name,
+ ctype_other,			/* ( */
+ ctype_other,			/* ) */
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_other,			/* / */
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,	/* digits 0-9 */
+ ctype_name, ctype_name,
+ ctype_other,			/* < */
+ ctype_name,
+ ctype_other,			/* > */
+ ctype_name,
+		/* Printable characters 64-95 */
+ ctype_name,
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35,
+ ctype_other,			/* [ */
+ ctype_name,
+ ctype_other,			/* ] */
+ ctype_name, ctype_name,
+		/* Printable characters 96-126 and DEL */
+ ctype_name,
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35,
+ ctype_other,			/* { */
+ ctype_name,
+ ctype_other,			/* } */
+ ctype_name, ctype_name,
+		/* Characters 128-159, binary tokens */
+ ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken,
+ ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken,
+ ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken,
+ ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken,
+ ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken,
+ ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken, ctype_btoken,
+ ctype_btoken, ctype_btoken,
+		/* Characters 160-191, not defined */
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name,
+		/* Characters 192-223, not defined */
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name,
+		/* Characters 224-255, not defined */
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name, ctype_name, ctype_name, ctype_name,
+ ctype_name, ctype_name
+};
diff --git a/pstoraster/scf.h b/pstoraster/scf.h
new file mode 100644
index 000000000..f8f08bcc5
--- /dev/null
+++ b/pstoraster/scf.h
@@ -0,0 +1,213 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common definitions for CCITTFax encoding and decoding filters */
+
+#ifndef scf_INCLUDED
+#  define scf_INCLUDED
+
+#include "shc.h"
+
+/*
+ * The CCITT Group 3 (T.4) and Group 4 (T.6) fax specifications map
+ * run lengths to Huffman codes.  White and black have different mappings.
+ * If the run length is 64 or greater, two or more codes are needed:
+ *      - One or more 'make-up' codes for 2560 pixels;
+ *      - A 'make-up' code that encodes the multiple of 64;
+ *      - A 'termination' code for the remainder.
+ * For runs of 63 or less, only the 'termination' code is needed.
+ */
+
+/* ------ Encoding tables ------ */
+
+/*
+ * The maximum possible length of a scan line is determined by the
+ * requirement that 3 runs have to fit into the stream buffer.
+ * A run of length N requires approximately ceil(N / 2560) makeup codes,
+ * hence 1.5 * ceil(N / 2560) bytes.  Taking the largest safe stream
+ * buffer size as 32K, we arrive at the following maximum width:
+ */
+#if arch_sizeof_int > 2
+#  define cfe_max_width (2560 * 32000 * 2 / 3)
+#else
+#  define cfe_max_width (max_int - 40)	/* avoid overflows */
+#endif
+/* The +5 in cfe_max_code_bytes is a little conservative. */
+#define cfe_max_code_bytes(width) ((width) / 2560 * 3 / 2 + 5)
+
+typedef hce_code cfe_run;
+
+/* Codes common to 1-D and 2-D encoding. */
+/* The decoding algorithms know that EOL is 0....01. */
+#define run_eol_code_length 12
+#define run_eol_code_value 1
+extern const cfe_run cf_run_eol;
+typedef struct cf_runs_s {
+    cfe_run termination[64];
+    cfe_run make_up[41];
+} cf_runs;
+extern const cf_runs
+      cf_white_runs, cf_black_runs;
+extern const cfe_run cf_uncompressed[6];
+extern const cfe_run cf_uncompressed_exit[10];	/* indexed by 2 x length of */
+
+			/* white run + (1 if next run black, 0 if white) */
+/* 1-D encoding. */
+extern const cfe_run cf1_run_uncompressed;
+
+/* 2-D encoding. */
+extern const cfe_run cf2_run_pass;
+
+#define cf2_run_pass_length 4
+#define cf2_run_pass_value 0x1
+#define cf2_run_vertical_offset 3
+extern const cfe_run cf2_run_vertical[7];	/* indexed by b1 - a1 + offset */
+extern const cfe_run cf2_run_horizontal;
+
+#define cf2_run_horizontal_value 1
+#define cf2_run_horizontal_length 3
+extern const cfe_run cf2_run_uncompressed;
+
+/* 2-D Group 3 encoding. */
+extern const cfe_run cf2_run_eol_1d;
+extern const cfe_run cf2_run_eol_2d;
+
+/* ------ Decoding tables ------ */
+
+typedef hcd_code cfd_node;
+
+#define run_length value
+
+/*
+ * The value in the decoding tables is either a white or black run length,
+ * or a (negative) exceptional value.
+ */
+#define run_error (-1)
+#define run_zeros (-2)		/* EOL follows, possibly with more padding first */
+#define run_uncompressed (-3)
+/* 2-D codes */
+#define run2_pass (-4)
+#define run2_horizontal (-5)
+
+#define cfd_white_initial_bits 8
+extern const cfd_node cf_white_decode[];
+
+#define cfd_black_initial_bits 7
+extern const cfd_node cf_black_decode[];
+
+#define cfd_2d_initial_bits 7
+extern const cfd_node cf_2d_decode[];
+
+#define cfd_uncompressed_initial_bits 6		/* must be 6 */
+extern const cfd_node cf_uncompressed_decode[];
+
+/* ------ Run detection macros ------ */
+
+/*
+ * For the run detection macros:
+ *   white_byte is 0 or 0xff for BlackIs1 or !BlackIs1 respectively;
+ *   data holds p[-1], inverted if !BlackIs1;
+ *   count is the number of valid bits remaining in the scan line.
+ */
+
+/* Aliases for bit processing tables. */
+#define cf_byte_run_length byte_bit_run_length_neg
+#define cf_byte_run_length_0 byte_bit_run_length_0
+
+/* Skip over white pixels to find the next black pixel in the input. */
+/* Store the run length in rlen, and update data, p, and count. */
+/* There are many more white pixels in typical input than black pixels, */
+/* and the runs of white pixels tend to be much longer, so we use */
+/* substantially different loops for the two cases. */
+
+#define skip_white_pixels(data, p, count, white_byte, rlen)\
+BEGIN\
+    rlen = cf_byte_run_length[count & 7][data ^ 0xff];\
+    if ( rlen >= 8 ) {		/* run extends past byte boundary */\
+	if ( white_byte == 0 ) {\
+	    if ( p[0] ) { data = p[0]; p += 1; rlen -= 8; }\
+	    else if ( p[1] ) { data = p[1]; p += 2; }\
+	    else {\
+		while ( !(p[2] | p[3] | p[4] | p[5]) )\
+		    p += 4, rlen += 32;\
+		if ( p[2] ) {\
+		    data = p[2]; p += 3; rlen += 8;\
+		} else if ( p[3] ) {\
+		    data = p[3]; p += 4; rlen += 16;\
+		} else if ( p[4] ) {\
+		    data = p[4]; p += 5; rlen += 24;\
+		} else /* p[5] */ {\
+		    data = p[5]; p += 6; rlen += 32;\
+		}\
+	    }\
+	} else {\
+	    if ( p[0] != 0xff ) { data = (byte)~p[0]; p += 1; rlen -= 8; }\
+	    else if ( p[1] != 0xff ) { data = (byte)~p[1]; p += 2; }\
+	    else {\
+		while ( (p[2] & p[3] & p[4] & p[5]) == 0xff )\
+		    p += 4, rlen += 32;\
+		if ( p[2] != 0xff ) {\
+		    data = (byte)~p[2]; p += 3; rlen += 8;\
+		} else if ( p[3] != 0xff ) {\
+		    data = (byte)~p[3]; p += 4; rlen += 16;\
+		} else if ( p[4] != 0xff ) {\
+		    data = (byte)~p[4]; p += 5; rlen += 24;\
+		} else /* p[5] != 0xff */ {\
+		    data = (byte)~p[5]; p += 6; rlen += 32;\
+		}\
+	    }\
+	}\
+	rlen += cf_byte_run_length_0[data ^ 0xff];\
+    }\
+    count -= rlen;\
+END
+
+/* Skip over black pixels to find the next white pixel in the input. */
+/* Store the run length in rlen, and update data, p, and count. */
+
+#define skip_black_pixels(data, p, count, white_byte, rlen)\
+BEGIN\
+    rlen = cf_byte_run_length[count & 7][data];\
+    if ( rlen >= 8 ) {\
+	if ( white_byte == 0 )\
+	    for ( ; ; p += 4, rlen += 32 ) {\
+		if ( p[0] != 0xff ) { data = p[0]; p += 1; rlen -= 8; break; }\
+		if ( p[1] != 0xff ) { data = p[1]; p += 2; break; }\
+		if ( p[2] != 0xff ) { data = p[2]; p += 3; rlen += 8; break; }\
+		if ( p[3] != 0xff ) { data = p[3]; p += 4; rlen += 16; break; }\
+	    }\
+	else\
+	    for ( ; ; p += 4, rlen += 32 ) {\
+		if ( p[0] ) { data = (byte)~p[0]; p += 1; rlen -= 8; break; }\
+		if ( p[1] ) { data = (byte)~p[1]; p += 2; break; }\
+		if ( p[2] ) { data = (byte)~p[2]; p += 3; rlen += 8; break; }\
+		if ( p[3] ) { data = (byte)~p[3]; p += 4; rlen += 16; break; }\
+	    }\
+	rlen += cf_byte_run_length_0[data];\
+    }\
+    count -= rlen;\
+END
+
+#endif /* scf_INCLUDED */
diff --git a/pstoraster/scfd.c b/pstoraster/scfd.c
new file mode 100644
index 000000000..2d9a34296
--- /dev/null
+++ b/pstoraster/scfd.c
@@ -0,0 +1,809 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CCITTFax decoding filter */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "gdebug.h"
+#include "strimpl.h"
+#include "scf.h"
+#include "scfx.h"
+
+/* ------ CCITTFaxDecode ------ */
+
+private_st_CFD_state();
+
+/* Set default parameter values. */
+private void
+s_CFD_set_defaults(register stream_state * st)
+{
+    stream_CFD_state *const ss = (stream_CFD_state *) st;
+
+    s_CFD_set_defaults_inline(ss);
+}
+
+/* Initialize CCITTFaxDecode filter */
+private int
+s_CFD_init(stream_state * st)
+{
+    stream_CFD_state *const ss = (stream_CFD_state *) st;
+    int raster = ss->raster =
+    round_up((ss->Columns + 7) >> 3, ss->DecodedByteAlign);
+    byte white = (ss->BlackIs1 ? 0 : 0xff);
+
+    s_hcd_init_inline(ss);
+    /* Because skip_white_pixels can look as many as 4 bytes ahead, */
+    /* we need to allow 4 extra bytes at the end of the row buffers. */
+    ss->lbuf = gs_alloc_bytes(st->memory, raster + 4, "CFD lbuf");
+    ss->lprev = 0;
+    if (ss->lbuf == 0)
+	return ERRC;
+/****** WRONG ******/
+    if (ss->K != 0) {
+	ss->lprev = gs_alloc_bytes(st->memory, raster + 4, "CFD lprev");
+	if (ss->lprev == 0)
+	    return ERRC;
+/****** WRONG ******/
+	/* Clear the initial reference line for 2-D encoding. */
+	memset(ss->lbuf, white, raster);
+	/* Ensure that the scan of the reference line will stop. */
+	ss->lbuf[raster] = 0xa0;
+    }
+    ss->k_left = min(ss->K, 0);
+    ss->run_color = 0;
+    ss->damaged_rows = 0;
+    ss->skipping_damage = false;
+    ss->cbit = 0;
+    ss->uncomp_run = 0;
+    ss->rows_left = (ss->Rows <= 0 || ss->EndOfBlock ? -1 : ss->Rows + 1);
+    ss->rpos = ss->wpos = raster - 1;
+    ss->eol_count = 0;
+    ss->invert = white;
+    return 0;
+}
+
+/* Release the filter. */
+private void
+s_CFD_release(stream_state * st)
+{
+    stream_CFD_state *const ss = (stream_CFD_state *) st;
+
+    gs_free_object(st->memory, ss->lprev, "CFD lprev(close)");
+    gs_free_object(st->memory, ss->lbuf, "CFD lbuf(close)");
+}
+
+/* Declare the variables that hold the state. */
+#define cfd_declare_state\
+	hcd_declare_state;\
+	register byte *q;\
+	int qbit
+/* Load the state from the stream. */
+#define cfd_load_state()\
+	hcd_load_state(),\
+	q = ss->lbuf + ss->wpos, qbit = ss->cbit
+/* Store the state back in the stream. */
+#define cfd_store_state()\
+	hcd_store_state(),\
+	ss->wpos = q - ss->lbuf, ss->cbit = qbit
+
+/* Macros to get blocks of bits from the input stream. */
+/* Invariants: 0 <= bits_left <= bits_size; */
+/* bits [bits_left-1..0] contain valid data. */
+
+#define avail_bits(n) hcd_bits_available(n)
+#define ensure_bits(n, outl) hcd_ensure_bits(n, outl)
+#define peek_bits(n) hcd_peek_bits(n)
+#define peek_var_bits(n) hcd_peek_var_bits(n)
+#define skip_bits(n) hcd_skip_bits(n)
+
+/* Get a run from the stream. */
+#ifdef DEBUG
+#  define IF_DEBUG(expr) expr
+#else
+#  define IF_DEBUG(expr) DO_NOTHING
+#endif
+#define get_run(decode, initial_bits, runlen, str, outl)\
+{	const cfd_node *np;\
+	int clen;\
+	ensure_bits(initial_bits, outl);\
+	np = &decode[peek_bits(initial_bits)];\
+	if ( (clen = np->code_length) > initial_bits )\
+	{	IF_DEBUG(uint init_bits = peek_bits(initial_bits));\
+		if ( !avail_bits(clen) ) goto outl;\
+		clen -= initial_bits;\
+		skip_bits(initial_bits);\
+		ensure_bits(clen, outl);		/* can't goto outl */\
+		np = &decode[np->run_length + peek_var_bits(clen)];\
+		if_debug4('W', "%s xcode=0x%x,%d rlen=%d\n", str,\
+			  (init_bits << np->code_length) +\
+				  peek_var_bits(np->code_length),\
+			  initial_bits + np->code_length,\
+			  np->run_length);\
+		skip_bits(np->code_length);\
+	}\
+	else\
+	{	if_debug4('W', "%s code=0x%x,%d rlen=%d\n", str,\
+			  peek_var_bits(clen), clen, np->run_length);\
+		skip_bits(clen);\
+	}\
+	runlen = np->run_length;\
+}
+
+/* Skip data bits for a white run. */
+/* rlen is either less than 64, or a multiple of 64. */
+#define skip_data(rlen, makeup_label)\
+	if ( (qbit -= rlen) < 0 )\
+	{	q -= qbit >> 3, qbit &= 7;\
+		if ( rlen >= 64 ) goto makeup_label;\
+	}
+
+/* Invert data bits for a black run. */
+/* If rlen >= 64, execute makeup_action: this is to handle */
+/* makeup codes efficiently, since these are always a multiple of 64. */
+#define invert_data(rlen, black_byte, makeup_action, d)\
+	if ( rlen > qbit )\
+	{	*q++ ^= (1 << qbit) - 1;\
+		rlen -= qbit;\
+		switch ( rlen >> 3 )\
+		{\
+		case 7:		/* original rlen possibly >= 64 */\
+			if ( rlen + qbit >= 64 ) goto d;\
+			*q++ = black_byte;\
+		case 6: *q++ = black_byte;\
+		case 5: *q++ = black_byte;\
+		case 4: *q++ = black_byte;\
+		case 3: *q++ = black_byte;\
+		case 2: *q++ = black_byte;\
+		case 1: *q = black_byte;\
+			rlen &= 7;\
+			if ( !rlen ) { qbit = 0; break; }\
+			q++;\
+		case 0:			/* know rlen != 0 */\
+			qbit = 8 - rlen;\
+			*q ^= 0xff << qbit;\
+			break;\
+		default:	/* original rlen >= 64 */\
+d:			memset(q, black_byte, rlen >> 3);\
+			q += rlen >> 3;\
+			rlen &= 7;\
+			if ( !rlen ) qbit = 0, q--;\
+			else qbit = 8 - rlen, *q ^= 0xff << qbit;\
+			makeup_action;\
+		}\
+	}\
+	else\
+		qbit -= rlen,\
+		*q ^= ((1 << rlen) - 1) << qbit
+
+/* Buffer refill for CCITTFaxDecode filter */
+private int cf_decode_eol(P2(stream_CFD_state *, stream_cursor_read *));
+private int cf_decode_1d(P2(stream_CFD_state *, stream_cursor_read *));
+private int cf_decode_2d(P2(stream_CFD_state *, stream_cursor_read *));
+private int cf_decode_uncompressed(P2(stream_CFD_state *, stream_cursor_read *));
+private int
+s_CFD_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_CFD_state *const ss = (stream_CFD_state *) st;
+    int wstop = ss->raster - 1;
+    int eol_count = ss->eol_count;
+    int k_left = ss->k_left;
+    int rows_left = ss->rows_left;
+    int status = 0;
+
+#ifdef DEBUG
+    const byte *rstart = pr->ptr;
+    const byte *wstart = pw->ptr;
+
+#endif
+
+  top:
+#ifdef DEBUG
+    {
+	hcd_declare_state;
+	hcd_load_state();
+	if_debug8('w', "\
+[w]CFD_process top: eol_count=%d, k_left=%d, rows_left=%d\n\
+    bits=0x%lx, bits_left=%d, read %u, wrote %u%s\n",
+		  eol_count, k_left, rows_left,
+		  (ulong) bits, bits_left,
+		  (uint) (p - rstart), (uint) (pw->ptr - wstart),
+		  (ss->skipping_damage ? ", skipping damage" : ""));
+    }
+#endif
+    if (ss->skipping_damage) {	/* Skip until we reach an EOL. */
+	hcd_declare_state;
+	int skip;
+
+	status = 0;
+	do {
+	    switch ((skip = cf_decode_eol(ss, pr))) {
+		default:	/* not EOL */
+		    hcd_load_state();
+		    skip_bits(-skip);
+		    hcd_store_state();
+		    continue;
+		case 0:	/* need more input */
+		    goto out;
+		case 1:	/* EOL */
+		    {		/* Back up over the EOL. */
+			hcd_load_state();
+			bits_left += run_eol_code_length;
+			hcd_store_state();
+		    }
+		    ss->skipping_damage = false;
+	    }
+	}
+	while (ss->skipping_damage);
+	ss->damaged_rows++;
+    }
+    /*
+     * Check for a completed input scan line.  This isn't quite as
+     * simple as it seems, because we could have run out of input data
+     * between a makeup code and a 0-length termination code, or in a
+     * 2-D line before a final horizontal code with a 0-length second
+     * run.  There's probably a way to think about this situation that
+     * doesn't require a special check, but I haven't found it yet.
+     */
+    if (ss->wpos == wstop && ss->cbit <= (-ss->Columns & 7) &&
+	(k_left == 0 ? !(ss->run_color & ~1) : ss->run_color == 0)
+	) {			/* Check for completed data to be copied to the client. */
+	/* (We could avoid the extra copy step for 1-D, but */
+	/* it's simpler not to, and it doesn't cost much.) */
+	if (ss->rpos < ss->wpos) {
+	    stream_cursor_read cr;
+
+	    cr.ptr = ss->lbuf + ss->rpos;
+	    cr.limit = ss->lbuf + ss->wpos;
+	    status = stream_move(&cr, pw);
+	    ss->rpos = cr.ptr - ss->lbuf;
+	    if (status)
+		goto out;
+	}
+	if (rows_left > 0 && --rows_left == 0) {
+	    status = EOFC;
+	    goto out;
+	}
+	if (ss->K != 0) {
+	    byte *prev_bits = ss->lprev;
+
+	    ss->lprev = ss->lbuf;
+	    ss->lbuf = prev_bits;
+	    if (ss->K > 0)
+		k_left = (k_left == 0 ? ss->K : k_left) - 1;
+	}
+	ss->rpos = ss->wpos = -1;
+	ss->eol_count = eol_count = 0;
+	ss->cbit = 0;
+	ss->invert = (ss->BlackIs1 ? 0 : 0xff);
+	memset(ss->lbuf, ss->invert, wstop + 1);
+	ss->run_color = 0;
+	/*
+	 * If EndOfLine is true, we want to include the byte padding
+	 * in the string of initial zeros in the EOL.  If EndOfLine
+	 * is false, we aren't sure what we should do....
+	 */
+	if (ss->EncodedByteAlign & !ss->EndOfLine)
+	    ss->bits_left &= ~7;
+    }
+    /* If we're between scan lines, scan for EOLs. */
+    if (ss->wpos < 0) {
+	while ((status = cf_decode_eol(ss, pr)) > 0) {
+	    if_debug0('w', "[w]EOL\n");
+	    /* If we are in a Group 3 mixed regime, */
+	    /* check the next bit for 1- vs. 2-D. */
+	    if (ss->K > 0) {
+		hcd_declare_state;
+		hcd_load_state();
+		ensure_bits(1, out);	/* can't fail */
+		k_left = (peek_bits(1) ? 0 : 1);
+		skip_bits(1);
+		hcd_store_state();
+	    }
+	    ++eol_count;
+	    /*
+	     * According to Adobe, the decoder should always check for
+	     * the EOD sequence, regardless of EndOfBlock: the Red Book's
+	     * documentation of EndOfBlock is wrong.
+	     */
+	    if (eol_count == (ss->K < 0 ? 2 : 6)) {
+		status = EOFC;
+		goto out;
+	    }
+	}
+	if (status == 0)	/* input empty while scanning EOLs */
+	    goto out;
+	switch (eol_count) {
+	    case 0:
+		if (ss->EndOfLine) {	/* EOL is required, but none is present. */
+		    status = ERRC;
+		    goto check;
+		}
+	    case 1:
+		break;
+	    default:
+		status = ERRC;
+		goto check;
+	}
+    }
+    /* Now decode actual data. */
+    if (k_left < 0) {
+	if_debug0('w', "[w2]new row\n");
+	status = cf_decode_2d(ss, pr);
+    } else if (k_left == 0) {
+	if_debug0('w', "[w1]new row\n");
+	status = cf_decode_1d(ss, pr);
+    } else {
+	if_debug1('w', "[w1]new 2-D row, %d left\n", k_left);
+	status = cf_decode_2d(ss, pr);
+    }
+    if_debug3('w', "[w]CFD status = %d, wpos = %d, cbit = %d\n",
+	      status, ss->wpos, ss->cbit);
+  check:switch (status) {
+	case 1:		/* output full */
+	    goto top;
+	case ERRC:
+	    /* Check for special handling of damaged rows. */
+	    if (ss->damaged_rows >= ss->DamagedRowsBeforeError ||
+		!(ss->EndOfLine && ss->K >= 0)
+		)
+		break;
+	    /* Substitute undamaged data if appropriate. */
+/****** NOT IMPLEMENTED YET ******/
+	    {
+		ss->wpos = wstop;
+		ss->cbit = -ss->Columns & 7;
+		ss->run_color = 0;
+	    }
+	    ss->skipping_damage = true;
+	    goto top;
+	default:
+	    ss->damaged_rows = 0;	/* finished a good row */
+    }
+  out:ss->k_left = k_left;
+    ss->rows_left = rows_left;
+    ss->eol_count = eol_count;
+    return status;
+}
+
+/*
+ * Decode a leading EOL, if any.
+ * If an EOL is present, skip over it and return 1;
+ * if no EOL is present, read no input and return -N, where N is the
+ * number of initial bits that can be skipped in the search for an EOL;
+ * if more input is needed, return 0.
+ * Note that if we detected an EOL, we know that we can back up over it;
+ * if we detected an N-bit non-EOL, we know that at least N bits of data
+ * are available in the buffer.
+ */
+private int
+cf_decode_eol(stream_CFD_state * ss, stream_cursor_read * pr)
+{
+    hcd_declare_state;
+    int zeros;
+    int look_ahead;
+
+    hcd_load_state();
+    for (zeros = 0; zeros < run_eol_code_length - 1; zeros++) {
+	ensure_bits(1, out);
+	if (peek_bits(1))
+	    return -(zeros + 1);
+	skip_bits(1);
+    }
+    /* We definitely have an EOL.  Skip further zero bits. */
+    look_ahead = (ss->K > 0 ? 2 : 1);
+    for (;;) {
+	ensure_bits(look_ahead, back);
+	if (peek_bits(1))
+	    break;
+	skip_bits(1);
+    }
+    skip_bits(1);
+    hcd_store_state();
+    return 1;
+  back:			/*
+				 * We ran out of data while skipping zeros.
+				 * We know we are at a byte boundary, and have just skipped
+				 * at least run_eol_code_length - 1 zeros.  However,
+				 * bits_left may be 1 if look_ahead == 2.
+				 */
+    bits &= (1 << bits_left) - 1;
+    bits_left += run_eol_code_length - 1;
+    hcd_store_state();
+  out:return 0;
+}
+
+/* Decode a 1-D scan line. */
+private int
+cf_decode_1d(stream_CFD_state * ss, stream_cursor_read * pr)
+{
+    cfd_declare_state;
+    byte black_byte = (ss->BlackIs1 ? 0xff : 0);
+    int end_bit = -ss->Columns & 7;
+    byte *stop = ss->lbuf - 1 + ss->raster;
+    int run_color = ss->run_color;
+    int status;
+    int bcnt;
+
+    cfd_load_state();
+    if_debug1('w', "[w1]entry run_color = %d\n", ss->run_color);
+    if (ss->run_color > 0)
+	goto db;
+    else
+	goto dw;
+#define q_at_stop() (q >= stop && (qbit <= end_bit || q > stop))
+  top:run_color = 0;
+    if (q_at_stop())
+	goto done;
+  dw:				/* Decode a white run. */
+    get_run(cf_white_decode, cfd_white_initial_bits, bcnt, "[w1]white", out0);
+    if (bcnt < 0) {		/* exceptional situation */
+	switch (bcnt) {
+	    case run_uncompressed:	/* Uncompressed data. */
+		cfd_store_state();
+		bcnt = cf_decode_uncompressed(ss, pr);
+		if (bcnt < 0)
+		    return bcnt;
+		cfd_load_state();
+		if (bcnt)
+		    goto db;
+		else
+		    goto dw;
+		/*case run_error: */
+		/*case run_zeros: *//* Premature end-of-line. */
+	    default:
+		status = ERRC;
+		goto out;
+	}
+    }
+    skip_data(bcnt, dwx);
+    if (q_at_stop()) {
+	run_color = 0;		/* not inside a run */
+	goto done;
+    }
+    run_color = 1;
+  db:				/* Decode a black run. */
+    get_run(cf_black_decode, cfd_black_initial_bits, bcnt, "[w1]black", out1);
+    if (bcnt < 0) {		/* All exceptional codes are invalid here. */
+/****** WRONG, uncompressed IS ALLOWED ******/
+	status = ERRC;
+	goto out;
+    }
+    /* Invert bits designated by black run. */
+    invert_data(bcnt, black_byte, goto dbx, idb);
+    goto top;
+  dwx:				/* If we run out of data after a makeup code, */
+    /* note that we are still processing a white run. */
+    run_color = -1;
+    goto dw;
+  dbx:				/* If we run out of data after a makeup code, */
+    /* note that we are still processing a black run. */
+    run_color = 2;
+    goto db;
+  done:if (q > stop || qbit < end_bit)
+	status = ERRC;
+    else
+	status = 1;
+  out:cfd_store_state();
+    ss->run_color = run_color;
+    if_debug1('w', "[w1]exit run_color = %d\n", run_color);
+    return status;
+  out0:			/* We already set run_color to 0 or -1. */
+    status = 0;
+    goto out;
+  out1:			/* We already set run_color to 1 or 2. */
+    status = 0;
+    goto out;
+}
+
+/* Decode a 2-D scan line. */
+private int
+cf_decode_2d(stream_CFD_state * ss, stream_cursor_read * pr)
+{
+    cfd_declare_state;
+    byte invert_white = (ss->BlackIs1 ? 0 : 0xff);
+    byte black_byte = ~invert_white;
+    byte invert = ss->invert;
+    int end_count = -ss->Columns & 7;
+    uint raster = ss->raster;
+    byte *q0 = ss->lbuf;
+    byte *prev_q01 = ss->lprev + 1;
+    byte *endptr = q0 - 1 + raster;
+    int init_count = raster << 3;
+    register int count;
+    int rlen;
+    int status;
+
+    cfd_load_state();
+    count = ((endptr - q) << 3) + qbit;
+    endptr[1] = 0xa0;		/* a byte with some 0s and some 1s, */
+    /* to ensure run scan will stop */
+    if_debug1('W', "[w2]raster=%d\n", raster);
+    switch (ss->run_color) {
+	case -2:
+	    ss->run_color = 0;
+	    goto hww;
+	case -1:
+	    ss->run_color = 0;
+	    goto hbw;
+	case 1:
+	    ss->run_color = 0;
+	    goto hwb;
+	case 2:
+	    ss->run_color = 0;
+	    goto hbb;
+	    /*case 0: */
+    }
+  top:if (count <= end_count) {
+	status = (count < end_count ? ERRC : 1);
+	goto out;
+    }
+    /* If invert == invert_white, white and black have their */
+    /* correct meanings; if invert == ~invert_white, */
+    /* black and white are interchanged. */
+    if_debug1('W', "[w2]%4d:\n", count);
+#ifdef DEBUG
+    /* Check the invariant between q, qbit, and count. */
+    {
+	int pcount = (endptr - q) * 8 + qbit;
+
+	if (pcount != count)
+	    dlprintf2("[w2]Error: count=%d pcount=%d\n",
+		      count, pcount);
+    }
+#endif
+    /* We could just use get_run here, but we can do better: */
+    ensure_bits(3, out0);
+#define vertical_0 (countof(cf2_run_vertical) / 2)
+    switch (peek_bits(3)) {
+	default /*4..7 */ :	/* vertical(0) */
+	    skip_bits(1);
+	    rlen = vertical_0;
+	    break;
+	case 2:		/* vertical(+1) */
+	    skip_bits(3);
+	    rlen = vertical_0 + 1;
+	    break;
+	case 3:		/* vertical(-1) */
+	    skip_bits(3);
+	    rlen = vertical_0 - 1;
+	    break;
+	case 1:		/* horizontal */
+	    skip_bits(3);
+	    if (invert == invert_white)
+		goto hww;
+	    else
+		goto hbb;
+	case 0:		/* everything else */
+	    get_run(cf_2d_decode, cfd_2d_initial_bits, rlen,
+		    "[w2]", out0);
+	    /* rlen may be run2_pass, run_uncompressed, or */
+	    /* 0..countof(cf2_run_vertical)-1. */
+	    if (rlen < 0)
+		switch (rlen) {
+		    case run2_pass:
+			break;
+		    case run_uncompressed:
+			{
+			    int which;
+
+			    cfd_store_state();
+			    which = cf_decode_uncompressed(ss, pr);
+			    if (which < 0) {
+				status = which;
+				goto out;
+			    }
+			    cfd_load_state();
+/****** ADJUST count ******/
+			    invert = (which ? ~invert_white : invert_white);
+			}
+			goto top;
+		    default:	/* run_error, run_zeros */
+			status = ERRC;
+			goto out;
+		}
+    }
+    /* Interpreting the run requires scanning the */
+    /* previous ('reference') line. */
+    {
+	int prev_count = count;
+	byte prev_data;
+	int dlen;
+	static const byte count_bit[8] =
+	{0x80, 1, 2, 4, 8, 0x10, 0x20, 0x40};
+	byte *prev_q = prev_q01 + (q - q0);
+	int plen;
+
+	if (!(count & 7))
+	    prev_q++;		/* because of skip macros */
+	prev_data = prev_q[-1] ^ invert;
+	/* Find the b1 transition. */
+	if ((prev_data & count_bit[prev_count & 7]) &&
+	    (prev_count < init_count || invert != invert_white)
+	    ) {			/* Look for changing white first. */
+	    if_debug1('W', " data=0x%x", prev_data);
+	    skip_black_pixels(prev_data, prev_q,
+			      prev_count, invert, plen);
+	    if (prev_count < end_count)		/* overshot */
+		prev_count = end_count;
+	    if_debug1('W', " b1 other=%d", prev_count);
+	}
+	if (prev_count != end_count) {
+	    if_debug1('W', " data=0x%x", prev_data);
+	    skip_white_pixels(prev_data, prev_q,
+			      prev_count, invert, plen);
+	    if (prev_count < end_count)		/* overshot */
+		prev_count = end_count;
+	    if_debug1('W', " b1 same=%d", prev_count);
+	}
+	/* b1 = prev_count; */
+	if (rlen == run2_pass) {	/* Pass mode.  Find b2. */
+	    if (prev_count != end_count) {
+		if_debug1('W', " data=0x%x", prev_data);
+		skip_black_pixels(prev_data, prev_q,
+				  prev_count, invert, plen);
+		if (prev_count < end_count)	/* overshot */
+		    prev_count = end_count;
+	    }
+	    /* b2 = prev_count; */
+	    if_debug2('W', " b2=%d, pass %d\n",
+		      prev_count, count - prev_count);
+	} else {		/* Vertical coding. */
+	    /* Remember that count counts *down*. */
+	    prev_count += rlen - vertical_0;	/* a1 */
+	    if_debug2('W', " vertical %d -> %d\n",
+		      rlen - vertical_0, prev_count);
+	}
+	/* Now either invert or skip from count */
+	/* to prev_count, and reset count. */
+	if (invert == invert_white) {	/* Skip data bits. */
+	    q = endptr - (prev_count >> 3);
+	    qbit = prev_count & 7;
+	} else {		/* Invert data bits. */
+	    dlen = count - prev_count;
+	    invert_data(dlen, black_byte, DO_NOTHING, idd);
+	}
+	count = prev_count;
+	if (rlen >= 0)		/* vertical mode */
+	    invert = ~invert;	/* polarity changes */
+    }
+    goto top;
+  out:cfd_store_state();
+    ss->invert = invert;
+    return status;
+  out0:status = 0;
+    goto out;
+    /*
+     * We handle horizontal decoding here, so that we can
+     * branch back into it if we run out of input data.
+     */
+    /* White, then black. */
+  hww:get_run(cf_white_decode, cfd_white_initial_bits, rlen,
+	    " white", outww);
+    if ((count -= rlen) < end_count) {
+	status = ERRC;
+	goto out;
+    }
+    skip_data(rlen, hww);
+    /* Handle the second half of a white-black horizontal code. */
+  hwb:get_run(cf_black_decode, cfd_black_initial_bits, rlen,
+	    " black", outwb);
+    if ((count -= rlen) < end_count) {
+	status = ERRC;
+	goto out;
+    }
+    invert_data(rlen, black_byte, goto hwb, ihwb);
+    goto top;
+  outww:ss->run_color = -2;
+    goto out0;
+  outwb:ss->run_color = 1;
+    goto out0;
+    /* Black, then white. */
+  hbb:get_run(cf_black_decode, cfd_black_initial_bits, rlen,
+	    " black", outbb);
+    if ((count -= rlen) < end_count) {
+	status = ERRC;
+	goto out;
+    }
+    invert_data(rlen, black_byte, goto hbb, ihbb);
+    /* Handle the second half of a black-white horizontal code. */
+  hbw:get_run(cf_white_decode, cfd_white_initial_bits, rlen,
+	    " white", outbw);
+    if ((count -= rlen) < end_count) {
+	status = ERRC;
+	goto out;
+    }
+    skip_data(rlen, hbw);
+    goto top;
+  outbb:ss->run_color = 2;
+    goto out0;
+  outbw:ss->run_color = -1;
+    goto out0;
+}
+
+#if 1				/*************** */
+private int
+cf_decode_uncompressed(stream_CFD_state * ss, stream_cursor_read * pr)
+{
+    return ERRC;
+}
+#else /*************** */
+
+/* Decode uncompressed data. */
+/* (Not tested: no sample data available!) */
+/****** DOESN'T CHECK FOR OVERFLOWING SCAN LINE ******/
+private int
+cf_decode_uncompressed(stream * s)
+{
+    cfd_declare_state;
+    const cfd_node *np;
+    int clen, rlen;
+
+    cfd_load_state();
+    while (1) {
+	ensure_bits(cfd_uncompressed_initial_bits, NOOUT);
+	np = &cf_uncompressed_decode[peek_bits(cfd_uncompressed_initial_bits)];
+	clen = np->code_length;
+	rlen = np->run_length;
+	if (clen > cfd_uncompressed_initial_bits) {	/* Must be an exit code. */
+	    break;
+	}
+	if (rlen == cfd_uncompressed_initial_bits) {	/* Longest representable white run */
+	    if_debug1('W', "[wu]%d\n", rlen);
+	    if ((qbit -= cfd_uncompressed_initial_bits) < 0)
+		qbit += 8, q++;
+	} else {
+	    if_debug1('W', "[wu]%d+1\n", rlen);
+	    if (qbit -= rlen < 0)
+		qbit += 8, q++;
+	    *q ^= 1 << qbit;
+	}
+	skip_bits(clen);
+    }
+    clen -= cfd_uncompressed_initial_bits;
+    skip_bits(cfd_uncompressed_initial_bits);
+    ensure_bits(clen, NOOUT);
+    np = &cf_uncompressed_decode[rlen + peek_var_bits(clen)];
+    rlen = np->run_length;
+    skip_bits(np->code_length);
+    if_debug1('w', "[wu]exit %d\n", rlen);
+    if (rlen >= 0) {		/* Valid exit code, rlen = 2 * run length + next polarity */
+	if ((qbit -= rlen >> 1) < 0)
+	    qbit += 8, q++;
+	rlen &= 1;
+    }
+  out:
+/******* WRONG ******/
+    cfd_store_state();
+    return rlen;
+}
+
+#endif /*************** */
+
+/* Stream template */
+const stream_template s_CFD_template =
+{&st_CFD_state, s_CFD_init, s_CFD_process, 1, 1, s_CFD_release,
+ s_CFD_set_defaults
+};
diff --git a/pstoraster/scfdtab.c b/pstoraster/scfdtab.c
new file mode 100644
index 000000000..1d6dc99f7
--- /dev/null
+++ b/pstoraster/scfdtab.c
@@ -0,0 +1,942 @@
+/* Copyright (C) 1992, 1993, 1998 Aladdin Enterprises.  All rights reserved. */
+
+/* This file was generated automatically.  It is governed by the same terms */
+/* as the files scftab.c and scfdgen.c from which it was derived. */
+/* Consult those files for the licensing terms and conditions. */
+
+/*$Id$ */
+/* Tables for CCITTFaxDecode filter. */
+
+#include "std.h"
+#include "scommon.h"		/* for scf.h */
+#include "scf.h"
+
+/* White decoding table. */
+const cfd_node cf_white_decode[] =
+{
+    {256, 12},
+    {272, 12},
+    {29, 8},
+    {30, 8},
+    {45, 8},
+    {46, 8},
+    {22, 7},
+    {22, 7},
+    {23, 7},
+    {23, 7},
+    {47, 8},
+    {48, 8},
+    {13, 6},
+    {13, 6},
+    {13, 6},
+    {13, 6},
+    {20, 7},
+    {20, 7},
+    {33, 8},
+    {34, 8},
+    {35, 8},
+    {36, 8},
+    {37, 8},
+    {38, 8},
+    {19, 7},
+    {19, 7},
+    {31, 8},
+    {32, 8},
+    {1, 6},
+    {1, 6},
+    {1, 6},
+    {1, 6},
+    {12, 6},
+    {12, 6},
+    {12, 6},
+    {12, 6},
+    {53, 8},
+    {54, 8},
+    {26, 7},
+    {26, 7},
+    {39, 8},
+    {40, 8},
+    {41, 8},
+    {42, 8},
+    {43, 8},
+    {44, 8},
+    {21, 7},
+    {21, 7},
+    {28, 7},
+    {28, 7},
+    {61, 8},
+    {62, 8},
+    {63, 8},
+    {0, 8},
+    {320, 8},
+    {384, 8},
+    {10, 5},
+    {10, 5},
+    {10, 5},
+    {10, 5},
+    {10, 5},
+    {10, 5},
+    {10, 5},
+    {10, 5},
+    {11, 5},
+    {11, 5},
+    {11, 5},
+    {11, 5},
+    {11, 5},
+    {11, 5},
+    {11, 5},
+    {11, 5},
+    {27, 7},
+    {27, 7},
+    {59, 8},
+    {60, 8},
+    {288, 9},
+    {290, 9},
+    {18, 7},
+    {18, 7},
+    {24, 7},
+    {24, 7},
+    {49, 8},
+    {50, 8},
+    {51, 8},
+    {52, 8},
+    {25, 7},
+    {25, 7},
+    {55, 8},
+    {56, 8},
+    {57, 8},
+    {58, 8},
+    {192, 6},
+    {192, 6},
+    {192, 6},
+    {192, 6},
+    {1664, 6},
+    {1664, 6},
+    {1664, 6},
+    {1664, 6},
+    {448, 8},
+    {512, 8},
+    {292, 9},
+    {640, 8},
+    {576, 8},
+    {294, 9},
+    {296, 9},
+    {298, 9},
+    {300, 9},
+    {302, 9},
+    {256, 7},
+    {256, 7},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {2, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {128, 5},
+    {128, 5},
+    {128, 5},
+    {128, 5},
+    {128, 5},
+    {128, 5},
+    {128, 5},
+    {128, 5},
+    {8, 5},
+    {8, 5},
+    {8, 5},
+    {8, 5},
+    {8, 5},
+    {8, 5},
+    {8, 5},
+    {8, 5},
+    {9, 5},
+    {9, 5},
+    {9, 5},
+    {9, 5},
+    {9, 5},
+    {9, 5},
+    {9, 5},
+    {9, 5},
+    {16, 6},
+    {16, 6},
+    {16, 6},
+    {16, 6},
+    {17, 6},
+    {17, 6},
+    {17, 6},
+    {17, 6},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {14, 6},
+    {14, 6},
+    {14, 6},
+    {14, 6},
+    {15, 6},
+    {15, 6},
+    {15, 6},
+    {15, 6},
+    {64, 5},
+    {64, 5},
+    {64, 5},
+    {64, 5},
+    {64, 5},
+    {64, 5},
+    {64, 5},
+    {64, 5},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {7, 4},
+    {-2, 3},
+    {-2, 3},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-3, 4},
+    {1792, 3},
+    {1792, 3},
+    {1984, 4},
+    {2048, 4},
+    {2112, 4},
+    {2176, 4},
+    {2240, 4},
+    {2304, 4},
+    {1856, 3},
+    {1856, 3},
+    {1920, 3},
+    {1920, 3},
+    {2368, 4},
+    {2432, 4},
+    {2496, 4},
+    {2560, 4},
+    {1472, 1},
+    {1536, 1},
+    {1600, 1},
+    {1728, 1},
+    {704, 1},
+    {768, 1},
+    {832, 1},
+    {896, 1},
+    {960, 1},
+    {1024, 1},
+    {1088, 1},
+    {1152, 1},
+    {1216, 1},
+    {1280, 1},
+    {1344, 1},
+    {1408, 1}
+};
+
+/* Black decoding table. */
+const cfd_node cf_black_decode[] =
+{
+    {128, 12},
+    {160, 13},
+    {224, 12},
+    {256, 12},
+    {10, 7},
+    {11, 7},
+    {288, 12},
+    {12, 7},
+    {9, 6},
+    {9, 6},
+    {8, 6},
+    {8, 6},
+    {7, 5},
+    {7, 5},
+    {7, 5},
+    {7, 5},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {6, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {1, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {3, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {2, 2},
+    {-2, 4},
+    {-2, 4},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-3, 5},
+    {1792, 4},
+    {1792, 4},
+    {1984, 5},
+    {2048, 5},
+    {2112, 5},
+    {2176, 5},
+    {2240, 5},
+    {2304, 5},
+    {1856, 4},
+    {1856, 4},
+    {1920, 4},
+    {1920, 4},
+    {2368, 5},
+    {2432, 5},
+    {2496, 5},
+    {2560, 5},
+    {18, 3},
+    {18, 3},
+    {18, 3},
+    {18, 3},
+    {18, 3},
+    {18, 3},
+    {18, 3},
+    {18, 3},
+    {52, 5},
+    {52, 5},
+    {640, 6},
+    {704, 6},
+    {768, 6},
+    {832, 6},
+    {55, 5},
+    {55, 5},
+    {56, 5},
+    {56, 5},
+    {1280, 6},
+    {1344, 6},
+    {1408, 6},
+    {1472, 6},
+    {59, 5},
+    {59, 5},
+    {60, 5},
+    {60, 5},
+    {1536, 6},
+    {1600, 6},
+    {24, 4},
+    {24, 4},
+    {24, 4},
+    {24, 4},
+    {25, 4},
+    {25, 4},
+    {25, 4},
+    {25, 4},
+    {1664, 6},
+    {1728, 6},
+    {320, 5},
+    {320, 5},
+    {384, 5},
+    {384, 5},
+    {448, 5},
+    {448, 5},
+    {512, 6},
+    {576, 6},
+    {53, 5},
+    {53, 5},
+    {54, 5},
+    {54, 5},
+    {896, 6},
+    {960, 6},
+    {1024, 6},
+    {1088, 6},
+    {1152, 6},
+    {1216, 6},
+    {64, 3},
+    {64, 3},
+    {64, 3},
+    {64, 3},
+    {64, 3},
+    {64, 3},
+    {64, 3},
+    {64, 3},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {13, 1},
+    {23, 4},
+    {23, 4},
+    {50, 5},
+    {51, 5},
+    {44, 5},
+    {45, 5},
+    {46, 5},
+    {47, 5},
+    {57, 5},
+    {58, 5},
+    {61, 5},
+    {256, 5},
+    {16, 3},
+    {16, 3},
+    {16, 3},
+    {16, 3},
+    {17, 3},
+    {17, 3},
+    {17, 3},
+    {17, 3},
+    {48, 5},
+    {49, 5},
+    {62, 5},
+    {63, 5},
+    {30, 5},
+    {31, 5},
+    {32, 5},
+    {33, 5},
+    {40, 5},
+    {41, 5},
+    {22, 4},
+    {22, 4},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {14, 1},
+    {15, 2},
+    {15, 2},
+    {15, 2},
+    {15, 2},
+    {15, 2},
+    {15, 2},
+    {15, 2},
+    {15, 2},
+    {128, 5},
+    {192, 5},
+    {26, 5},
+    {27, 5},
+    {28, 5},
+    {29, 5},
+    {19, 4},
+    {19, 4},
+    {20, 4},
+    {20, 4},
+    {34, 5},
+    {35, 5},
+    {36, 5},
+    {37, 5},
+    {38, 5},
+    {39, 5},
+    {21, 4},
+    {21, 4},
+    {42, 5},
+    {43, 5},
+    {0, 3},
+    {0, 3},
+    {0, 3},
+    {0, 3}
+};
+
+/* 2-D decoding table. */
+const cfd_node cf_2d_decode[] =
+{
+    {128, 11},
+    {144, 10},
+    {6, 7},
+    {0, 7},
+    {5, 6},
+    {5, 6},
+    {1, 6},
+    {1, 6},
+    {-4, 4},
+    {-4, 4},
+    {-4, 4},
+    {-4, 4},
+    {-4, 4},
+    {-4, 4},
+    {-4, 4},
+    {-4, 4},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {-5, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {4, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {3, 1},
+    {-2, 4},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-1, 0},
+    {-3, 3}
+};
+
+/* Uncompresssed decoding table. */
+const cfd_node cf_uncompressed_decode[] =
+{
+    {64, 12},
+    {5, 6},
+    {4, 5},
+    {4, 5},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {3, 4},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {0, 1},
+    {-1, 0},
+    {-1, 0},
+    {8, 6},
+    {9, 6},
+    {6, 5},
+    {6, 5},
+    {7, 5},
+    {7, 5},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {4, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {5, 4},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {2, 3},
+    {3, 3},
+    {3, 3},
+    {3, 3},
+    {3, 3},
+    {3, 3},
+    {3, 3},
+    {3, 3},
+    {3, 3},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {0, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2},
+    {1, 2}
+};
+
+/* Dummy executable code to pacify compilers. */
+void
+cfd_dummy(void)
+{
+}
diff --git a/pstoraster/scfe.c b/pstoraster/scfe.c
new file mode 100644
index 000000000..ec416bc66
--- /dev/null
+++ b/pstoraster/scfe.c
@@ -0,0 +1,536 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CCITTFax encoding filter */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "gdebug.h"
+#include "strimpl.h"
+#include "scf.h"
+#include "scfx.h"
+
+/* ------ Macros and support routines ------ */
+
+/* Statistics */
+
+#ifdef DEBUG
+
+typedef struct stats_runs_s {
+    ulong termination[64];
+    ulong make_up[41];
+} stats_runs_t;
+private stats_runs_t stats_white_runs, stats_black_runs;
+
+#define COUNT_RUN(tab, i) (tab)[i]++;
+
+private void
+print_run_stats(const stats_runs_t * stats)
+{
+    int i;
+    ulong total;
+
+    for (i = 0, total = 0; i < 41; i++)
+	dprintf1(" %lu", stats->make_up[i]),
+	    total += stats->make_up[i];
+    dprintf1(" total=%lu\n\t", total);
+    for (i = 0, total = 0; i < 64; i++)
+	dprintf1(" %lu", stats->termination[i]),
+	    total += stats->termination[i];
+    dprintf1(" total=%lu\n", total);
+}
+
+#else /* !DEBUG */
+
+#define COUNT_RUN(cnt, i) DO_NOTHING
+
+#endif /* DEBUG */
+
+/* Put a run onto the output stream. */
+/* Free variables: q, bits, bits_left. */
+
+#define CF_PUT_RUN(ss, lenv, rt, stats)\
+BEGIN\
+    cfe_run rr;\
+\
+    if ( lenv >= 64 ) {\
+	hce_store_state();\
+	q = cf_put_long_run(ss, q, lenv, &rt);\
+	hce_load_state();\
+	lenv &= 63;\
+    }\
+    rr = rt.termination[lenv];\
+    COUNT_RUN(stats.termination, lenv);\
+    hc_put_value(ss, q, rr.code, rr.code_length);\
+END
+
+private byte *
+cf_put_long_run(stream_CFE_state * ss, byte * q, int lenv, const cf_runs * prt)
+{
+    hce_declare_state;
+    cfe_run rr;
+
+#ifdef DEBUG
+    stats_runs_t *pstats =
+    (prt == &cf_white_runs ? &stats_white_runs : &stats_black_runs);
+
+#endif
+
+    hce_load_state();
+    while (lenv >= 2560 + 64) {
+	rr = prt->make_up[40];
+	COUNT_RUN(pstats->make_up, 40);
+	hc_put_value(ss, q, rr.code, rr.code_length);
+	lenv -= 2560;
+    }
+    rr = prt->make_up[lenv >> 6];
+    COUNT_RUN(pstats->make_up, lenv >> 6);
+    hc_put_value(ss, q, rr.code, rr.code_length);
+    hce_store_state();
+    return q;
+}
+
+#define CF_PUT_WHITE_RUN(ss, lenv)\
+  CF_PUT_RUN(ss, lenv, cf_white_runs, stats_white_runs)
+
+#define CF_PUT_BLACK_RUN(ss, lenv)\
+  CF_PUT_RUN(ss, lenv, cf_black_runs, stats_black_runs)
+
+/* ------ CCITTFaxEncode ------ */
+
+private_st_CFE_state();
+
+private void s_CFE_release(P1(stream_state *));
+
+/* Set default parameter values. */
+private void
+s_CFE_set_defaults(register stream_state * st)
+{
+    stream_CFE_state *const ss = (stream_CFE_state *) st;
+
+    s_CFE_set_defaults_inline(ss);
+}
+
+/* Initialize CCITTFaxEncode filter */
+private int
+s_CFE_init(register stream_state * st)
+{
+    stream_CFE_state *const ss = (stream_CFE_state *) st;
+    int columns = ss->Columns;
+
+    /*
+     * The worst case for encoding is alternating white and black pixels.
+     * For 1-D encoding, the worst case is 9 bits per 2 pixels; for 2-D
+     * (horizontal), 12 bits per 2 pixels.  To fill out a scan line,
+     * we may add up to 6 12-bit EOL codes.
+     */
+    int code_bytes =
+    ((columns * (ss->K == 0 ? 9 : 12)) >> 4) + 20;	/* add slop */
+    int raster = ss->raster =
+    round_up((columns + 7) >> 3, ss->DecodedByteAlign);
+
+    s_hce_init_inline(ss);
+    ss->lbuf = ss->lprev = ss->lcode = 0;	/* in case we have to release */
+    if (columns > cfe_max_width)
+	return ERRC;
+/****** WRONG ******/
+    /* Because skip_white_pixels can look as many as 4 bytes ahead, */
+    /* we need to allow 4 extra bytes at the end of the row buffers. */
+    ss->lbuf = gs_alloc_bytes(st->memory, raster + 4, "CFE lbuf");
+    ss->lcode = gs_alloc_bytes(st->memory, code_bytes, "CFE lcode");
+    if (ss->lbuf == 0 || ss->lcode == 0) {
+	s_CFE_release(st);
+	return ERRC;
+/****** WRONG ******/
+    }
+    if (ss->K != 0) {
+	ss->lprev = gs_alloc_bytes(st->memory, raster + 4, "CFE lprev");
+	if (ss->lprev == 0) {
+	    s_CFE_release(st);
+	    return ERRC;
+/****** WRONG ******/
+	}
+	/* Clear the initial reference line for 2-D encoding. */
+	/* Make sure it is terminated properly. */
+	memset(ss->lprev, (ss->BlackIs1 ? 0 : 0xff), raster);
+	if (columns & 7)
+	    ss->lprev[raster - 1] ^= 0x80 >> (columns & 7);
+	else
+	    ss->lprev[raster] = ~ss->lprev[0];
+    }
+    ss->read_count = raster;
+    ss->write_count = 0;
+    ss->k_left = (ss->K > 0 ? 1 : ss->K);
+    ss->max_code_bytes = code_bytes;
+    return 0;
+}
+
+/* Release the filter. */
+private void
+s_CFE_release(stream_state * st)
+{
+    stream_CFE_state *const ss = (stream_CFE_state *) st;
+
+    gs_free_object(st->memory, ss->lprev, "CFE lprev(close)");
+    gs_free_object(st->memory, ss->lcode, "CFE lcode(close)");
+    gs_free_object(st->memory, ss->lbuf, "CFE lbuf(close)");
+}
+
+/* Flush the buffer */
+private void cf_encode_1d(P3(stream_CFE_state *, const byte *,
+			     stream_cursor_write *));
+private void cf_encode_2d(P4(stream_CFE_state *, const byte *,
+			     stream_cursor_write *, const byte *));
+private int
+s_CFE_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_CFE_state *const ss = (stream_CFE_state *) st;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int raster = ss->raster;
+    byte end_mask = 1 << (-ss->Columns & 7);
+    int status = 0;
+
+    for (;;) {
+	stream_cursor_write w;
+
+	if_debug2('w', "[w]CFE: read_count = %d, write_count=%d,\n",
+		  ss->read_count, ss->write_count);
+	if_debug6('w', "    pr = 0x%lx(%d)0x%lx, pw = 0x%lx(%d)0x%lx\n",
+		  (ulong) pr->ptr, (int)(rlimit - pr->ptr), (ulong) rlimit,
+		  (ulong) pw->ptr, (int)(wlimit - pw->ptr), (ulong) wlimit);
+	if (ss->write_count) {
+	    /* Copy more of an encoded line to the caller. */
+	    int wcount = wlimit - pw->ptr;
+	    int ccount = min(wcount, ss->write_count);
+
+	    memcpy(pw->ptr + 1, ss->lcode + ss->code_bytes - ss->write_count,
+		   ccount);
+	    pw->ptr += ccount;
+	    if ((ss->write_count -= ccount) > 0) {
+		status = 1;
+		break;
+	    }
+	}
+	if (ss->read_count) {
+	    /* Copy more of an unencoded line from the caller. */
+	    int rcount = rlimit - pr->ptr;
+	    int ccount = min(rcount, ss->read_count);
+
+	    if (rcount == 0 && last)
+		break;
+	    memcpy(ss->lbuf + raster - ss->read_count,
+		   pr->ptr + 1, ccount);
+	    pr->ptr += ccount;
+	    if ((ss->read_count -= ccount) != 0)
+		break;
+	}
+	/*
+	 * We have a full scan line in lbuf.  Ensure that it ends with
+	 * two polarity changes.
+	 */
+	{
+	    byte *end = ss->lbuf + raster - 1;
+	    byte end_bit = *end & end_mask;
+	    byte not_bit = end_bit ^ end_mask;
+
+	    *end &= -end_mask;
+	    if (end_mask == 1)
+		end[1] = (end_bit ? 0x40 : 0x80);
+	    else if (end_mask == 2)
+		*end |= not_bit >> 1, end[1] = end_bit << 7;
+	    else
+		*end |= (not_bit >> 1) | (end_bit >> 2);
+	}
+	/*
+	 * Write the output directly to the caller's buffer if it's large
+	 * enough, otherwise to our own buffer.
+	 */
+	if (wlimit - pw->ptr >= ss->max_code_bytes) {
+	    w = *pw;
+	} else {
+	    w.ptr = ss->lcode - 1;
+	    w.limit = w.ptr + ss->max_code_bytes;
+	}
+#ifdef DEBUG
+	if (ss->K > 0) {
+	    if_debug1('w', "[w]new row, k_left=%d\n",
+		      ss->k_left);
+	} else {
+	    if_debug0('w', "[w]new row\n");
+	}
+#endif
+	/*
+	 * Write an EOL (actually a "beginning of line") if requested.
+	 */
+	if (ss->EndOfLine) {
+	    const cfe_run *rp =
+	    (ss->K <= 0 ? &cf_run_eol :
+	     ss->k_left > 1 ? &cf2_run_eol_2d :
+	     &cf2_run_eol_1d);
+	    cfe_run run;
+
+	    hce_declare_state;
+
+	    hce_load_state();
+	    if (ss->EncodedByteAlign) {
+		run = *rp;
+		/* Pad the run on the left */
+		/* so it winds up byte-aligned. */
+		run.code_length +=
+		    (bits_left - run_eol_code_length) & 7;
+		if (run.code_length > 16)	/* <= 23 */
+		    bits_left -= run.code_length & 7,
+			run.code_length = 16;
+		rp = &run;
+	    }
+	    hc_put_code(ss, w.ptr, rp);
+	    hce_store_state();
+	} else if (ss->EncodedByteAlign)
+	    ss->bits_left &= ~7;
+	/* Encode the line. */
+	if (ss->K == 0)
+	    cf_encode_1d(ss, ss->lbuf, &w);	/* pure 1-D */
+	else if (ss->K < 0)
+	    cf_encode_2d(ss, ss->lbuf, &w, ss->lprev);	/* pure 2-D */
+	else if (--(ss->k_left))	/* mixed, use 2-D */
+	    cf_encode_2d(ss, ss->lbuf, &w, ss->lprev);
+	else {			/* mixed, use 1-D */
+	    cf_encode_1d(ss, ss->lbuf, &w);
+	    ss->k_left = ss->K;
+	}
+	/*
+	 * If we didn't write directly to the client's buffer, schedule
+	 * the output data to be written.
+	 */
+	if (w.limit == wlimit)
+	    pw->ptr = w.ptr;
+	else
+	    ss->write_count = ss->code_bytes = w.ptr - (ss->lcode - 1);
+	if (ss->K != 0) {
+	    /* In 2-D modes, swap the current and previous scan lines. */
+	    byte *temp = ss->lbuf;
+
+	    ss->lbuf = ss->lprev;
+	    ss->lprev = temp;
+	}
+	/* Note that the input buffer needs refilling. */
+	ss->read_count = raster;
+    }
+    /*
+     * When we exit from the loop, we know that write_count = 0, and
+     * there is no line waiting to be processed in the input buffer.
+     */
+    if (last && status == 0) {
+	const cfe_run *rp =
+	(ss->K > 0 ? &cf2_run_eol_1d : &cf_run_eol);
+	int i = (!ss->EndOfBlock ? 0 : ss->K < 0 ? 2 : 6);
+	uint bits_to_write =
+	hc_bits_size - ss->bits_left + i * rp->code_length;
+	byte *q = pw->ptr;
+
+	hce_declare_state;
+
+	if (wlimit - q < (bits_to_write + 7) >> 3) {
+	    status = 1;
+	    goto out;
+	}
+	hce_load_state();
+	if (ss->EncodedByteAlign)
+	    bits_left &= ~7;
+	while (--i >= 0)
+	    hc_put_code(ss, q, rp);
+	/* Force out the last byte or bytes. */
+	pw->ptr = hc_put_last_bits((stream_hc_state *) ss, q);
+    }
+  out:
+    if_debug9('w', "[w]CFE exit %d: read_count = %d, write_count = %d,\n     pr = 0x%lx(%d)0x%lx; pw = 0x%lx(%d)0x%lx\n",
+	      status, ss->read_count, ss->write_count,
+	      (ulong) pr->ptr, (int)(rlimit - pr->ptr), (ulong) rlimit,
+	      (ulong) pw->ptr, (int)(wlimit - pw->ptr), (ulong) wlimit);
+#ifdef DEBUG
+    if (pr->ptr > rlimit || pw->ptr > wlimit) {
+	lprintf("Pointer overrun!\n");
+	status = ERRC;
+    }
+    if (gs_debug_c('w') && status == 1) {
+	dlputs("[w]white runs:");
+	print_run_stats(&stats_white_runs);
+	dlputs("[w]black runs:");
+	print_run_stats(&stats_black_runs);
+    }
+#endif
+    return status;
+}
+
+/* Encode a 1-D scan line. */
+private void
+cf_encode_1d(stream_CFE_state * ss, const byte * lbuf, stream_cursor_write * pw)
+{
+    uint count = ss->raster << 3;
+    byte *q = pw->ptr;
+    int end_count = -ss->Columns & 7;
+    int rlen;
+
+    hce_declare_state;
+    const byte *p = lbuf;
+    byte invert = (ss->BlackIs1 ? 0 : 0xff);
+
+    /* Invariant: data = p[-1] ^ invert. */
+    uint data = *p++ ^ invert;
+
+    hce_load_state();
+    while (count != end_count) {
+	/* Parse a white run. */
+	skip_white_pixels(data, p, count, invert, rlen);
+	CF_PUT_WHITE_RUN(ss, rlen);
+	if (count == end_count)
+	    break;
+	/* Parse a black run. */
+	skip_black_pixels(data, p, count, invert, rlen);
+	CF_PUT_BLACK_RUN(ss, rlen);
+    }
+    hce_store_state();
+    pw->ptr = q;
+}
+
+/* Encode a 2-D scan line. */
+private void
+cf_encode_2d(stream_CFE_state * ss, const byte * lbuf, stream_cursor_write * pw,
+	     const byte * lprev)
+{
+    byte invert_white = (ss->BlackIs1 ? 0 : 0xff);
+    byte invert = invert_white;
+    uint count = ss->raster << 3;
+    int end_count = -ss->Columns & 7;
+    const byte *p = lbuf;
+    byte *q = pw->ptr;
+    uint data = *p++ ^ invert;
+
+    hce_declare_state;
+    /*
+     * In order to handle the nominal 'changing white' at the beginning of
+     * each scan line, we need to suppress the test for an initial black bit
+     * in the reference line when we are at the very beginning of the scan
+     * line.  To avoid an extra test, we use two different mask tables.
+     */
+    static const byte initial_count_bit[8] =
+    {
+	0, 1, 2, 4, 8, 0x10, 0x20, 0x40
+    };
+    static const byte further_count_bit[8] =
+    {
+	0x80, 1, 2, 4, 8, 0x10, 0x20, 0x40
+    };
+    const byte *count_bit = initial_count_bit;
+
+    hce_load_state();
+    while (count != end_count) {
+	/*
+	 * If invert == invert_white, white and black have their
+	 * correct meanings; if invert == ~invert_white,
+	 * black and white are interchanged.
+	 */
+	uint a0 = count;
+	uint a1;
+
+#define b1 (a1 - diff)		/* only for printing */
+	int diff;
+	uint prev_count = count;
+	const byte *prev_p = p - lbuf + lprev;
+	byte prev_data = prev_p[-1] ^ invert;
+	int rlen;
+
+	/* Find the a1 and b1 transitions. */
+	skip_white_pixels(data, p, count, invert, rlen);
+	a1 = count;
+	if ((prev_data & count_bit[prev_count & 7])) {
+	    /* Look for changing white first. */
+	    skip_black_pixels(prev_data, prev_p, prev_count, invert, rlen);
+	}
+	count_bit = further_count_bit;	/* no longer at beginning */
+      pass:
+	if (prev_count != end_count)
+	    skip_white_pixels(prev_data, prev_p, prev_count, invert, rlen);
+	diff = a1 - prev_count;	/* i.e., logical b1 - a1 */
+	/* In all the comparisons below, remember that count */
+	/* runs downward, not upward, so the comparisons are */
+	/* reversed. */
+	if (diff <= -2) {
+	    /* Could be a pass mode.  Find b2. */
+	    if (prev_count != end_count)
+		skip_black_pixels(prev_data, prev_p,
+				  prev_count, invert, rlen);
+	    if (prev_count > a1) {
+		/* Use pass mode. */
+		if_debug4('W', "[W]pass: count = %d, a1 = %d, b1 = %d, new count = %d\n",
+			  a0, a1, b1, prev_count);
+		hc_put_value(ss, q, cf2_run_pass_value, cf2_run_pass_length);
+		a0 = prev_count;
+		goto pass;
+	    }
+	}
+	/* Check for vertical coding. */
+	if (diff <= 3 && diff >= -3) {
+	    /* Use vertical coding. */
+	    const cfe_run *cp = &cf2_run_vertical[diff + 3];
+
+	    if_debug5('W', "[W]vertical %d: count = %d, a1 = %d, b1 = %d, new count = %d\n",
+		      diff, a0, a1, b1, count);
+	    hc_put_code(ss, q, cp);
+	    invert = ~invert;	/* a1 polarity changes */
+	    data ^= 0xff;
+	    continue;
+	}
+	/* No luck, use horizontal coding. */
+	if (count != end_count)
+	    skip_black_pixels(data, p, count, invert, rlen);	/* find a2 */
+	hc_put_value(ss, q, cf2_run_horizontal_value,
+		     cf2_run_horizontal_length);
+	a0 -= a1;
+	a1 -= count;
+	if (invert == invert_white) {
+	    if_debug3('W', "[W]horizontal: white = %d, black = %d, new count = %d\n",
+		      a0, a1, count);
+	    CF_PUT_WHITE_RUN(ss, a0);
+	    CF_PUT_BLACK_RUN(ss, a1);
+	} else {
+	    if_debug3('W', "[W]horizontal: black = %d, white = %d, new count = %d\n",
+		      a0, a1, count);
+	    CF_PUT_BLACK_RUN(ss, a0);
+	    CF_PUT_WHITE_RUN(ss, a1);
+#undef b1
+	}
+    }
+    hce_store_state();
+    pw->ptr = q;
+}
+
+/* Stream template */
+const stream_template s_CFE_template =
+{
+    &st_CFE_state, s_CFE_init, s_CFE_process, 1, 1,
+    s_CFE_release, s_CFE_set_defaults
+};
diff --git a/pstoraster/scfetab.c b/pstoraster/scfetab.c
new file mode 100644
index 000000000..287d02075
--- /dev/null
+++ b/pstoraster/scfetab.c
@@ -0,0 +1,170 @@
+/* Copyright (C) 1992, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Tables for CCITTFaxEncode filter */
+#include "std.h"
+#include "scommon.h"		/* for scf.h */
+#include "scf.h"
+
+/* We make this a separate file so that it can be used by */
+/* the program that generates the tables for the CCITTFaxDecode filter. */
+
+/* ------ Run encoding tables ------ */
+
+/* Abbreviate hce_entry to make the file smaller. */
+#define RUN(c,len) hce_entry(c,len)
+
+/* Define the end-of-line code. */
+/* Code in scfd.c and scfdgen.c knows that the run value is 1. */
+const cfe_run cf_run_eol =
+RUN(run_eol_code_value, run_eol_code_length);
+
+/* Define the 1-D code that signals uncompressed data. */
+const cfe_run cf1_run_uncompressed =
+RUN(0xf, 12);
+
+/* Define the 2-D run codes. */
+const cfe_run cf2_run_pass =
+RUN(cf2_run_pass_value, cf2_run_pass_length);
+const cfe_run cf2_run_vertical[7] =
+{
+    RUN(0x3, 7),
+    RUN(0x3, 6),
+    RUN(0x3, 3),
+    RUN(0x1, 1),
+    RUN(0x2, 3),
+    RUN(0x2, 6),
+    RUN(0x2, 7)
+};
+const cfe_run cf2_run_horizontal =
+RUN(cf2_run_horizontal_value, cf2_run_horizontal_length);
+const cfe_run cf2_run_uncompressed =
+RUN(0xf, 10);
+
+/* EOL codes for Group 3 2-D. */
+/* Code in scfd.c knows that these are 0...01x. */
+const cfe_run cf2_run_eol_1d =
+RUN((run_eol_code_value << 1) + 1, run_eol_code_length + 1);
+const cfe_run cf2_run_eol_2d =
+RUN((run_eol_code_value << 1) + 0, run_eol_code_length + 1);
+
+/* White run codes. */
+const cf_runs cf_white_runs =
+{
+    {				/* Termination codes */
+	RUN(0x35, 8), RUN(0x7, 6), RUN(0x7, 4), RUN(0x8, 4),
+	RUN(0xb, 4), RUN(0xc, 4), RUN(0xe, 4), RUN(0xf, 4),
+	RUN(0x13, 5), RUN(0x14, 5), RUN(0x7, 5), RUN(0x8, 5),
+	RUN(0x8, 6), RUN(0x3, 6), RUN(0x34, 6), RUN(0x35, 6),
+	RUN(0x2a, 6), RUN(0x2b, 6), RUN(0x27, 7), RUN(0xc, 7),
+	RUN(0x8, 7), RUN(0x17, 7), RUN(0x3, 7), RUN(0x4, 7),
+	RUN(0x28, 7), RUN(0x2b, 7), RUN(0x13, 7), RUN(0x24, 7),
+	RUN(0x18, 7), RUN(0x2, 8), RUN(0x3, 8), RUN(0x1a, 8),
+	RUN(0x1b, 8), RUN(0x12, 8), RUN(0x13, 8), RUN(0x14, 8),
+	RUN(0x15, 8), RUN(0x16, 8), RUN(0x17, 8), RUN(0x28, 8),
+	RUN(0x29, 8), RUN(0x2a, 8), RUN(0x2b, 8), RUN(0x2c, 8),
+	RUN(0x2d, 8), RUN(0x4, 8), RUN(0x5, 8), RUN(0xa, 8),
+	RUN(0xb, 8), RUN(0x52, 8), RUN(0x53, 8), RUN(0x54, 8),
+	RUN(0x55, 8), RUN(0x24, 8), RUN(0x25, 8), RUN(0x58, 8),
+	RUN(0x59, 8), RUN(0x5a, 8), RUN(0x5b, 8), RUN(0x4a, 8),
+	RUN(0x4b, 8), RUN(0x32, 8), RUN(0x33, 8), RUN(0x34, 8)
+    },
+    {				/* Make-up codes */
+	RUN(0, 0) /* dummy */ , RUN(0x1b, 5), RUN(0x12, 5), RUN(0x17, 6),
+	RUN(0x37, 7), RUN(0x36, 8), RUN(0x37, 8), RUN(0x64, 8),
+	RUN(0x65, 8), RUN(0x68, 8), RUN(0x67, 8), RUN(0xcc, 9),
+	RUN(0xcd, 9), RUN(0xd2, 9), RUN(0xd3, 9), RUN(0xd4, 9),
+	RUN(0xd5, 9), RUN(0xd6, 9), RUN(0xd7, 9), RUN(0xd8, 9),
+	RUN(0xd9, 9), RUN(0xda, 9), RUN(0xdb, 9), RUN(0x98, 9),
+	RUN(0x99, 9), RUN(0x9a, 9), RUN(0x18, 6), RUN(0x9b, 9),
+	RUN(0x8, 11), RUN(0xc, 11), RUN(0xd, 11), RUN(0x12, 12),
+	RUN(0x13, 12), RUN(0x14, 12), RUN(0x15, 12), RUN(0x16, 12),
+	RUN(0x17, 12), RUN(0x1c, 12), RUN(0x1d, 12), RUN(0x1e, 12),
+	RUN(0x1f, 12)
+    }
+};
+
+/* Black run codes. */
+const cf_runs cf_black_runs =
+{
+    {				/* Termination codes */
+	RUN(0x37, 10), RUN(0x2, 3), RUN(0x3, 2), RUN(0x2, 2),
+	RUN(0x3, 3), RUN(0x3, 4), RUN(0x2, 4), RUN(0x3, 5),
+	RUN(0x5, 6), RUN(0x4, 6), RUN(0x4, 7), RUN(0x5, 7),
+	RUN(0x7, 7), RUN(0x4, 8), RUN(0x7, 8), RUN(0x18, 9),
+	RUN(0x17, 10), RUN(0x18, 10), RUN(0x8, 10), RUN(0x67, 11),
+	RUN(0x68, 11), RUN(0x6c, 11), RUN(0x37, 11), RUN(0x28, 11),
+	RUN(0x17, 11), RUN(0x18, 11), RUN(0xca, 12), RUN(0xcb, 12),
+	RUN(0xcc, 12), RUN(0xcd, 12), RUN(0x68, 12), RUN(0x69, 12),
+	RUN(0x6a, 12), RUN(0x6b, 12), RUN(0xd2, 12), RUN(0xd3, 12),
+	RUN(0xd4, 12), RUN(0xd5, 12), RUN(0xd6, 12), RUN(0xd7, 12),
+	RUN(0x6c, 12), RUN(0x6d, 12), RUN(0xda, 12), RUN(0xdb, 12),
+	RUN(0x54, 12), RUN(0x55, 12), RUN(0x56, 12), RUN(0x57, 12),
+	RUN(0x64, 12), RUN(0x65, 12), RUN(0x52, 12), RUN(0x53, 12),
+	RUN(0x24, 12), RUN(0x37, 12), RUN(0x38, 12), RUN(0x27, 12),
+	RUN(0x28, 12), RUN(0x58, 12), RUN(0x59, 12), RUN(0x2b, 12),
+	RUN(0x2c, 12), RUN(0x5a, 12), RUN(0x66, 12), RUN(0x67, 12)
+    },
+    {				/* Make-up codes. */
+	RUN(0, 0) /* dummy */ , RUN(0xf, 10), RUN(0xc8, 12), RUN(0xc9, 12),
+	RUN(0x5b, 12), RUN(0x33, 12), RUN(0x34, 12), RUN(0x35, 12),
+	RUN(0x6c, 13), RUN(0x6d, 13), RUN(0x4a, 13), RUN(0x4b, 13),
+	RUN(0x4c, 13), RUN(0x4d, 13), RUN(0x72, 13), RUN(0x73, 13),
+	RUN(0x74, 13), RUN(0x75, 13), RUN(0x76, 13), RUN(0x77, 13),
+	RUN(0x52, 13), RUN(0x53, 13), RUN(0x54, 13), RUN(0x55, 13),
+	RUN(0x5a, 13), RUN(0x5b, 13), RUN(0x64, 13), RUN(0x65, 13),
+	RUN(0x8, 11), RUN(0xc, 11), RUN(0xd, 11), RUN(0x12, 12),
+	RUN(0x13, 12), RUN(0x14, 12), RUN(0x15, 12), RUN(0x16, 12),
+	RUN(0x17, 12), RUN(0x1c, 12), RUN(0x1d, 12), RUN(0x1e, 12),
+	RUN(0x1f, 12)
+    }
+};
+
+/* Uncompressed codes. */
+const cfe_run cf_uncompressed[6] =
+{
+    RUN(1, 1),
+    RUN(1, 2),
+    RUN(1, 3),
+    RUN(1, 4),
+    RUN(1, 5),
+    RUN(1, 6)
+};
+
+/* Uncompressed exit codes. */
+const cfe_run cf_uncompressed_exit[10] =
+{
+    RUN(2, 8), RUN(3, 8),
+    RUN(2, 9), RUN(3, 9),
+    RUN(2, 10), RUN(3, 10),
+    RUN(2, 11), RUN(3, 11),
+    RUN(2, 12), RUN(3, 12)
+};
+
+/* Some C compilers insist on having executable code in every file.... */
+void
+cfe_dummy(void)
+{
+}
diff --git a/pstoraster/scfparam.c b/pstoraster/scfparam.c
new file mode 100644
index 000000000..c906ae22e
--- /dev/null
+++ b/pstoraster/scfparam.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CCITTFax filter parameter setting and reading */
+#include "std.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsparam.h"
+#include "scommon.h"
+#include "scf.h"		/* for cfe_max_width */
+#include "scfx.h"
+
+/* Define the CCITTFax parameters. */
+private const gs_param_item_t s_CF_param_items[] =
+{
+#define cfp(key, type, memb) { key, type, offset_of(stream_CF_state, memb) }
+    cfp("Uncompressed", gs_param_type_bool, Uncompressed),
+    cfp("K", gs_param_type_int, K),
+    cfp("EndOfLine", gs_param_type_bool, EndOfLine),
+    cfp("EncodedByteAlign", gs_param_type_bool, EncodedByteAlign),
+    cfp("Columns", gs_param_type_int, Columns),
+    cfp("Rows", gs_param_type_int, Rows),
+    cfp("EndOfBlock", gs_param_type_bool, EndOfBlock),
+    cfp("BlackIs1", gs_param_type_bool, BlackIs1),
+    cfp("DamagedRowsBeforeError", gs_param_type_int, DamagedRowsBeforeError),
+    cfp("FirstBitLowOrder", gs_param_type_bool, FirstBitLowOrder),
+    cfp("DecodedByteAlign", gs_param_type_int, DecodedByteAlign),
+#undef cfp
+    gs_param_item_end
+};
+
+/* Define a limit on the Rows parameter, close to max_int. */
+#define cf_max_height 32000
+
+/* Get non-default CCITTFax filter parameters. */
+stream_state_proc_get_params(s_CF_get_params, stream_CF_state);		/* check */
+int
+s_CF_get_params(gs_param_list * plist, const stream_CF_state * ss, bool all)
+{
+    stream_CF_state cfs_defaults;
+    const stream_CF_state *defaults;
+
+    if (all)
+	defaults = 0;
+    else {
+	s_CF_set_defaults_inline(&cfs_defaults);
+	defaults = &cfs_defaults;
+    }
+    return gs_param_write_items(plist, ss, defaults, s_CF_param_items);
+}
+
+/* Put CCITTFax filter parameters. */
+stream_state_proc_put_params(s_CF_put_params, stream_CF_state);		/* check */
+int
+s_CF_put_params(gs_param_list * plist, stream_CF_state * ss)
+{
+    stream_CF_state state;
+    int code;
+
+    state = *ss;
+    code = gs_param_read_items(plist, (void *)&state, s_CF_param_items);
+    if (code >= 0 &&
+	(state.K < -cf_max_height || state.K > cf_max_height ||
+	 state.Columns < 0 || state.Columns > cfe_max_width ||
+	 state.Rows < 0 || state.Rows > cf_max_height ||
+	 state.DamagedRowsBeforeError < 0 ||
+	 state.DamagedRowsBeforeError > cf_max_height ||
+	 state.DecodedByteAlign < 1 || state.DecodedByteAlign > 16 ||
+	 (state.DecodedByteAlign & (state.DecodedByteAlign - 1)) != 0)
+	)
+	code = gs_note_error(gs_error_rangecheck);
+    if (code >= 0)
+	*ss = state;
+    return code;
+}
diff --git a/pstoraster/scfx.h b/pstoraster/scfx.h
new file mode 100644
index 000000000..96a6b43d4
--- /dev/null
+++ b/pstoraster/scfx.h
@@ -0,0 +1,132 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CCITTFax filter state definition */
+/* Requires strimpl.h */
+
+#ifndef scfx_DEFINED
+#  define scfx_DEFINED
+
+#include "shc.h"
+
+/* Common state */
+#define stream_CF_state_common\
+	stream_hc_state_common;\
+		/* The client sets the following before initialization. */\
+	bool Uncompressed;\
+	int K;\
+	bool EndOfLine;\
+	bool EncodedByteAlign;\
+	int Columns;\
+	int Rows;\
+	bool EndOfBlock;\
+	bool BlackIs1;\
+	int DamagedRowsBeforeError;	/* (Decode only) */\
+	/*bool FirstBitLowOrder;*/	/* in stream_hc_state_common */\
+	int DecodedByteAlign;\
+		/* The init procedure sets the following. */\
+	uint raster;\
+	byte *lbuf;		/* current scan line buffer */\
+				/* (only if decoding or 2-D encoding) */\
+	byte *lprev;		/* previous scan line buffer (only if 2-D) */\
+		/* The following are updated dynamically. */\
+	int k_left		/* number of next rows to encode in 2-D */\
+				/* (only if K > 0) */
+typedef struct stream_CF_state_s {
+    stream_CF_state_common;
+} stream_CF_state;
+
+/* Define common default parameter setting. */
+#define s_CF_set_defaults_inline(ss)\
+  ((ss)->Uncompressed = false,\
+   (ss)->K = 0,\
+   (ss)->EndOfLine = false,\
+   (ss)->EncodedByteAlign = false,\
+   (ss)->Columns = 1728,\
+   (ss)->Rows = 0,\
+   (ss)->EndOfBlock = true,\
+   (ss)->BlackIs1 = false,\
+		/* Added by Adobe since the Red Book */\
+   (ss)->DamagedRowsBeforeError = 0, /* always set, for s_CF_get_params */\
+   (ss)->FirstBitLowOrder = false,\
+		/* Added by us */\
+   (ss)->DecodedByteAlign = 1)
+
+/* CCITTFaxEncode */
+typedef struct stream_CFE_state_s {
+    stream_CF_state_common;
+    /* The init procedure sets the following. */
+    int max_code_bytes;		/* max # of bytes for an encoded line */
+    byte *lcode;		/* buffer for encoded output line */
+    /* The following change dynamically. */
+    int read_count;		/* # of bytes to copy into lbuf */
+    int write_count;		/* # of bytes to copy out of lcode */
+    int code_bytes;		/* # of occupied bytes in lcode */
+} stream_CFE_state;
+
+#define private_st_CFE_state()	/* in scfe.c */\
+  gs_private_st_ptrs3(st_CFE_state, stream_CFE_state, "CCITTFaxEncode state",\
+    cfe_enum_ptrs, cfe_reloc_ptrs, lbuf, lprev, lcode)
+#define s_CFE_set_defaults_inline(ss)\
+  s_CF_set_defaults_inline(ss)
+extern const stream_template s_CFE_template;
+
+/* CCITTFaxDecode */
+typedef struct stream_CFD_state_s {
+    stream_CF_state_common;
+    int cbit;			/* bits left to fill in current decoded */
+    /* byte at lbuf[wpos] (0..7) */
+    int rows_left;		/* number of rows left */
+    int rpos;			/* rptr for copying lbuf to client */
+    int wpos;			/* rlimit/wptr for filling lbuf or */
+    /* copying to client */
+    int eol_count;		/* number of EOLs seen so far */
+    byte invert;		/* current value of 'white' */
+    /* for 2-D decoding */
+    int run_color;		/* -1 if processing white run, */
+    /* 0 if between runs but white is next, */
+    /* 1 if between runs and black is next, */
+    /* 2 if processing black run */
+    int damaged_rows;		/* # of consecutive damaged rows preceding */
+    /* the current row */
+    bool skipping_damage;	/* true if skipping a damaged row looking */
+    /* for EOL */
+    /* The following are not used yet. */
+    int uncomp_run;		/* non-0 iff we are in an uncompressed */
+    /* run straddling a scan line (-1 if white, */
+    /* 1 if black) */
+    int uncomp_left;		/* # of bits left in the run */
+    int uncomp_exit;		/* non-0 iff this is an exit run */
+    /* (-1 if next run white, 1 if black) */
+} stream_CFD_state;
+
+#define private_st_CFD_state()	/* in scfd.c */\
+  gs_private_st_ptrs2(st_CFD_state, stream_CFD_state, "CCITTFaxDecode state",\
+    cfd_enum_ptrs, cfd_reloc_ptrs, lbuf, lprev)
+#define s_CFD_set_defaults_inline(ss)\
+  s_CF_set_defaults_inline(ss)
+extern const stream_template s_CFD_template;
+
+#endif /* scfx_INCLUDED */
diff --git a/pstoraster/scommon.h b/pstoraster/scommon.h
new file mode 100644
index 000000000..9f02bc04f
--- /dev/null
+++ b/pstoraster/scommon.h
@@ -0,0 +1,173 @@
+/* Copyright (C) 1994, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions common to stream clients and implementors */
+
+#ifndef scommon_DEFINED
+#  define scommon_DEFINED
+
+#include "gsmemory.h"
+#include "gstypes.h"		/* for gs_string */
+#include "gsstruct.h"		/* for extern_st */
+
+/*
+ * There are three major structures involved in the stream package.
+ *
+ * A stream is an "object" that owns a buffer, which it uses to implement
+ * byte-oriented sequential access in a standard way, and a set of
+ * procedures that handle things like buffer refilling.  See stream.h
+ * for more information about streams.
+ */
+#ifndef stream_DEFINED
+#  define stream_DEFINED
+typedef struct stream_s stream;
+
+#endif
+/*
+ * A stream_state records the state specific to a given variety of stream.
+ * The buffer processing function of a stream maintains this state.
+ */
+typedef struct stream_state_s stream_state;
+
+/*
+ * A stream_template provides the information needed to create a stream.
+ * The client must fill in any needed setup parameters in the appropriate
+ * variety of stream_state, and then call the initialization function
+ * provided by the template.  See strimpl.h for more information about
+ * stream_templates.
+ */
+typedef struct stream_template_s stream_template;
+
+/*
+ * The stream package works with bytes, not chars.
+ * This is to ensure unsigned representation on all systems.
+ * A stream currently can only be read or written, not both.
+ * Note also that the read procedure returns an int, not a char or a byte;
+ * we use negative values to indicate exceptional conditions.
+ * (We cast these values to int explicitly, because some compilers
+ * don't do this if the other arm of a conditional is a byte.)
+ */
+/* End of data */
+#define EOFC ((int)(-1))
+/* Error */
+#define ERRC ((int)(-2))
+/* Interrupt */
+#define INTC ((int)(-3))
+/****** INTC IS NOT USED YET ******/
+/* Callout */
+#define CALLC ((int)(-4))
+#define max_stream_exception 4
+/* The following hack is needed for initializing scan_char_array in iscan.c. */
+#define stream_exception_repeat(x) x, x, x, x
+
+/*
+ * Define cursors for reading from or writing into a buffer.
+ * We lay them out this way so that we can alias
+ * the write pointer and the read limit.
+ */
+typedef struct stream_cursor_read_s {
+    const byte *ptr;
+    const byte *limit;
+    byte *_skip;
+} stream_cursor_read;
+typedef struct stream_cursor_write_s {
+    const byte *_skip;
+    byte *ptr;
+    byte *limit;
+} stream_cursor_write;
+typedef union stream_cursor_s {
+    stream_cursor_read r;
+    stream_cursor_write w;
+} stream_cursor;
+
+/*
+ * Define the prototype for the procedures known to both the generic
+ * stream code and the stream implementations.
+ */
+
+/* Initialize the stream state (after the client parameters are set). */
+#define stream_proc_init(proc)\
+  int proc(P1(stream_state *))
+
+/* Process a buffer.  See strimpl.h for details. */
+#define stream_proc_process(proc)\
+  int proc(P4(stream_state *, stream_cursor_read *,\
+    stream_cursor_write *, bool))
+
+/* Release the stream state when closing. */
+#define stream_proc_release(proc)\
+  void proc(P1(stream_state *))
+
+/* Initialize the client parameters to default values. */
+#define stream_proc_set_defaults(proc)\
+  void proc(P1(stream_state *))
+
+/* Reinitialize any internal stream state.  Note that this does not */
+/* affect buffered data.  We declare this as returning an int so that */
+/* it can be the same as the init procedure; however, reinit cannot fail. */
+#define stream_proc_reinit(proc)\
+  int proc(P1(stream_state *))
+
+/* Report an error.  Note that this procedure is stored in the state, */
+/* not in the main stream structure. */
+#define stream_proc_report_error(proc)\
+  int proc(P2(stream_state *, const char *))
+stream_proc_report_error(s_no_report_error);
+
+/*
+ * Some types of streams have the ability to read their parameters from
+ * a parameter list, and to write all (or only the non-default)
+ * parameters to a parameter list.  Since these are not virtual
+ * procedures for the stream (they operate on stream_state structures
+ * even if no actual stream has been created), we name them differently.
+ */
+#define stream_state_proc_get_params(proc, state_type)\
+  int proc(P3(gs_param_list *plist, const state_type *ss, bool all))
+#define stream_state_proc_put_params(proc, state_type)\
+  int proc(P2(gs_param_list *plist, state_type *ss))
+
+/*
+ * Define a generic stream state.  If a processing procedure has no
+ * state of its own, it can use stream_state; otherwise, it must
+ * create a "subclass".  There is a hack in stream.h to allow the stream
+ * itself to serve as the "state" of a couple of heavily used stream types.
+ *
+ * In order to simplify the structure descriptors for concrete streams,
+ * we require that the generic stream state not contain any pointers
+ * to garbage-collectable storage.
+ */
+#define stream_state_common\
+	const stream_template *template;\
+	gs_memory_t *memory;\
+	stream_proc_report_error((*report_error))
+struct stream_state_s {
+    stream_state_common;
+};
+
+extern_st(st_stream_state);
+#define public_st_stream_state() /* in stream.c */\
+  gs_public_st_simple(st_stream_state, stream_state, "stream_state")
+
+#endif /* scommon_INCLUDED */
diff --git a/pstoraster/sdcparam.c b/pstoraster/sdcparam.c
new file mode 100644
index 000000000..ab0bb4aec
--- /dev/null
+++ b/pstoraster/sdcparam.c
@@ -0,0 +1,630 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* DCT filter parameter setting and reading */
+#include "memory_.h"
+#include "jpeglib.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsparam.h"
+#include "strimpl.h"		/* sdct.h requires this */
+#include "sdct.h"
+#include "sdcparam.h"
+#include "sjpeg.h"
+
+/* Define the DCT parameters. */
+#define dctp(key, type, stype, memb) { key, type, offset_of(stype, memb) }
+private const gs_param_item_t s_DCT_param_items[] =
+{
+dctp("ColorTransform", gs_param_type_int, stream_DCT_state, ColorTransform),
+    dctp("QFactor", gs_param_type_float, stream_DCT_state, QFactor),
+    gs_param_item_end
+};
+private const gs_param_item_t jsd_param_items[] =
+{
+    dctp("Picky", gs_param_type_int, jpeg_stream_data, Picky),
+    dctp("Relax", gs_param_type_int, jpeg_stream_data, Relax),
+    gs_param_item_end
+};
+
+#undef dctp
+
+/*
+ * Adobe specifies the values to be supplied in zigzag order.
+ * For IJG versions newer than v6, we need to convert this order
+ * to natural array order.  Older IJG versions want zigzag order.
+ */
+#if JPEG_LIB_VERSION >= 61
+	/* natural array position of n'th element of JPEG zigzag order */
+static const byte natural_order[DCTSIZE2] =
+{
+    0, 1, 8, 16, 9, 2, 3, 10,
+    17, 24, 32, 25, 18, 11, 4, 5,
+    12, 19, 26, 33, 40, 48, 41, 34,
+    27, 20, 13, 6, 7, 14, 21, 28,
+    35, 42, 49, 56, 57, 50, 43, 36,
+    29, 22, 15, 23, 30, 37, 44, 51,
+    58, 59, 52, 45, 38, 31, 39, 46,
+    53, 60, 61, 54, 47, 55, 62, 63
+};
+
+#define jpeg_order(x)  natural_order[x]
+	/* invert natural_order for getting parameters */
+static const byte inverse_natural_order[DCTSIZE2] =
+{
+    0, 1, 5, 6, 14, 15, 27, 28,
+    2, 4, 7, 13, 16, 26, 29, 42,
+    3, 8, 12, 17, 25, 30, 41, 43,
+    9, 11, 18, 24, 31, 40, 44, 53,
+    10, 19, 23, 32, 39, 45, 52, 54,
+    20, 22, 33, 38, 46, 51, 55, 60,
+    21, 34, 37, 47, 50, 56, 59, 61,
+    35, 36, 48, 49, 57, 58, 62, 63
+};
+
+#define jpeg_inverse_order(x)  inverse_natural_order[x]
+#else
+#define jpeg_order(x)  (x)
+#define jpeg_inverse_order(x) (x)
+#endif
+
+/* ================ Get parameters ================ */
+
+private int
+quant_param_string(gs_param_string * pstr, int count, const UINT16 * pvals,
+		   floatp QFactor, gs_memory_t * mem)
+{
+    byte *data;
+    int code = 0;
+    int i;
+
+    data = gs_alloc_string(mem, count, "quant_param_string");
+    if (data == 0)
+	return_error(gs_error_VMerror);
+    for (i = 0; i < count; ++i) {
+	floatp val = pvals[jpeg_inverse_order(i)] / QFactor;
+
+	data[i] =
+	    (val < 1 ? (code = 1) : val > 255 ? (code = 255) : (byte) val);
+    }
+    pstr->data = data;
+    pstr->size = count;
+    pstr->persistent = true;
+    return code & 1;
+}
+
+private int
+quant_param_array(gs_param_float_array * pfa, int count, const UINT16 * pvals,
+		  floatp QFactor, gs_memory_t * mem)
+{
+    float *data;
+    int i;
+
+    data = (float *)gs_alloc_byte_array(mem, count, sizeof(float),
+					"quant_param_array");
+
+    if (data == 0)
+	return_error(gs_error_VMerror);
+    for (i = 0; i < count; ++i)
+	data[i] = pvals[jpeg_inverse_order(i)] / QFactor;
+    pfa->data = data;
+    pfa->size = count;
+    pfa->persistent = true;
+    return 0;
+}
+
+int
+s_DCT_get_quantization_tables(gs_param_list * plist,
+	   const stream_DCT_state * pdct, const stream_DCT_state * defaults,
+			      bool is_encode)
+{
+    gs_memory_t *mem = pdct->memory;
+    jpeg_component_info d_comp_info[4];
+    int num_in_tables;
+    const jpeg_component_info *comp_info;
+    const jpeg_component_info *default_comp_info;
+    JQUANT_TBL **table_ptrs;
+    JQUANT_TBL **default_table_ptrs;
+    gs_param_array quant_tables;
+    floatp QFactor = pdct->QFactor;
+    int i;
+    int code;
+
+    if (is_encode) {
+	num_in_tables = pdct->data.compress->cinfo.num_components;
+	comp_info = pdct->data.compress->cinfo.comp_info;
+	table_ptrs = pdct->data.compress->cinfo.quant_tbl_ptrs;
+	if (defaults) {
+	    default_comp_info = defaults->data.compress->cinfo.comp_info;
+	    default_table_ptrs = defaults->data.compress->cinfo.quant_tbl_ptrs;
+	}
+    } else {
+	num_in_tables = quant_tables.size;
+	for (i = 0; i < num_in_tables; ++i)
+	    d_comp_info[i].quant_tbl_no = i;
+	comp_info = d_comp_info;
+	table_ptrs = pdct->data.decompress->dinfo.quant_tbl_ptrs;
+	if (defaults) {
+	    default_comp_info = d_comp_info;
+	    default_table_ptrs =
+		defaults->data.decompress->dinfo.quant_tbl_ptrs;
+	}
+    }
+
+    /* Check whether all tables match defaults. */
+    if (defaults) {
+	bool match = true;
+
+	for (i = 0; i < num_in_tables; ++i) {
+	    JQUANT_TBL *tbl = table_ptrs[comp_info[i].quant_tbl_no];
+	    JQUANT_TBL *default_tbl =
+	    (default_comp_info == 0 || default_table_ptrs == 0 ? 0 :
+	     default_table_ptrs[default_comp_info[i].quant_tbl_no]);
+
+	    if (tbl == default_tbl)
+		continue;
+	    if (tbl == 0 || default_tbl == 0 ||
+		memcmp(tbl->quantval, default_tbl->quantval,
+		       DCTSIZE2 * sizeof(UINT16))
+		) {
+		match = false;
+		break;
+	    }
+	}
+	if (match)
+	    return 0;
+    }
+    quant_tables.size = num_in_tables;
+    code = param_begin_write_collection(plist, "QuantTables",
+					&quant_tables,
+					gs_param_collection_array);
+    if (code < 0)
+	return code;
+    for (i = 0; i < num_in_tables; ++i) {
+	char key[3];
+	gs_param_string str;
+	gs_param_float_array fa;
+
+	sprintf(key, "%d", i);
+	if (QFactor == 1.0) {
+	    code = quant_param_string(&str, DCTSIZE2,
+			    table_ptrs[comp_info[i].quant_tbl_no]->quantval,
+				      QFactor, mem);
+	    switch (code) {
+		case 0:
+		    code = param_write_string(quant_tables.list, key, &str);
+		    if (code < 0)
+			return code;	/* should dealloc */
+		    continue;
+		default:
+		    return code;	/* should dealloc */
+		case 1:
+		    break;
+	    }
+	    /* break const to free the string */
+	    gs_free_string(mem, (byte *) str.data, str.size,
+			   "quant_param_string");
+	}
+	code = quant_param_array(&fa, DCTSIZE2,
+			    table_ptrs[comp_info[i].quant_tbl_no]->quantval,
+				 QFactor, mem);
+	if (code < 0)
+	    return code;	/* should dealloc */
+	code = param_write_float_array(quant_tables.list, key, &fa);
+	if (code < 0)
+	    return code;	/* should dealloc */
+    }
+    return param_end_write_dict(plist, "QuantTables", &quant_tables);
+}
+
+private int
+pack_huff_table(gs_param_string * pstr, const JHUFF_TBL * table,
+		gs_memory_t * mem)
+{
+    int total;
+    int i;
+    byte *data;
+
+    for (i = 1, total = 0; i <= 16; ++i)
+	total += table->bits[i];
+    data = gs_alloc_string(mem, 16 + total, "pack_huff_table");
+    if (data == 0)
+	return_error(gs_error_VMerror);
+    memcpy(data, table->bits + 1, 16);
+    memcpy(data + 16, table->huffval, total);
+    pstr->data = data;
+    pstr->size = 16 + total;
+    pstr->persistent = true;
+    return 0;
+}
+
+int
+s_DCT_get_huffman_tables(gs_param_list * plist,
+	   const stream_DCT_state * pdct, const stream_DCT_state * defaults,
+			 bool is_encode)
+{
+    gs_memory_t *mem = pdct->memory;
+    gs_param_string *huff_data;
+    gs_param_string_array hta;
+    int num_in_tables;
+    jpeg_component_info *comp_info;
+    JHUFF_TBL **dc_table_ptrs;
+    JHUFF_TBL **ac_table_ptrs;
+    int i;
+    int code = 0;
+
+    if (is_encode) {
+	dc_table_ptrs = pdct->data.compress->cinfo.dc_huff_tbl_ptrs;
+	ac_table_ptrs = pdct->data.compress->cinfo.ac_huff_tbl_ptrs;
+	num_in_tables = pdct->data.compress->cinfo.input_components * 2;
+	comp_info = pdct->data.compress->cinfo.comp_info;
+    } else {
+	dc_table_ptrs = pdct->data.decompress->dinfo.dc_huff_tbl_ptrs;
+	ac_table_ptrs = pdct->data.decompress->dinfo.ac_huff_tbl_ptrs;
+	for (i = 2; i > 0; --i)
+	    if (dc_table_ptrs[i - 1] || ac_table_ptrs[i - 1])
+		break;
+	num_in_tables = i * 2;
+	comp_info = NULL;	/* do not set for decompress case */
+    }
+/****** byte_array IS WRONG ******/
+    huff_data = (gs_param_string *)
+	gs_alloc_byte_array(mem, num_in_tables, sizeof(gs_param_string),
+			    "get huffman tables");
+    if (huff_data == 0)
+	return_error(gs_error_VMerror);
+    for (i = 0; i < num_in_tables; i += 2) {
+	if ((code = pack_huff_table(huff_data + i, ac_table_ptrs[i >> 1], mem)) < 0 ||
+	    (code = pack_huff_table(huff_data + i + 1, dc_table_ptrs[i >> 1], mem))
+	    )
+	    break;
+    }
+    if (code < 0)
+	return code;
+    hta.data = huff_data;
+    hta.size = num_in_tables;
+    hta.persistent = true;
+    return param_write_string_array(plist, "HuffTables", &hta);
+}
+
+int
+s_DCT_get_params(gs_param_list * plist, const stream_DCT_state * ss,
+		 const stream_DCT_state * defaults)
+{
+    int code =
+    gs_param_write_items(plist, ss, defaults, s_DCT_param_items);
+
+    if (code >= 0)
+	code = gs_param_write_items(plist, ss->data.common,
+				    (defaults ? defaults->data.common :
+				     NULL),
+				    jsd_param_items);
+    return code;
+}
+
+/* ================ Put parameters ================ */
+
+stream_state_proc_put_params(s_DCT_put_params, stream_DCT_state);	/* check */
+
+/* ---------------- Utilities ---------------- */
+
+/*
+ * Get N byte-size values from an array or a string.
+ * Used for HuffTables, HSamples, VSamples.
+ */
+int
+s_DCT_byte_params(gs_param_list * plist, gs_param_name key, int start,
+		  int count, UINT8 * pvals)
+{
+    int i;
+    gs_param_string bytes;
+    gs_param_float_array floats;
+    int code = param_read_string(plist, key, &bytes);
+
+    switch (code) {
+	case 0:
+	    if (bytes.size < start + count) {
+		code = gs_note_error(gs_error_rangecheck);
+		break;
+	    }
+	    for (i = 0; i < count; ++i)
+		pvals[i] = (UINT8) bytes.data[start + i];
+	    return 0;
+	default:		/* might be a float array */
+	    code = param_read_float_array(plist, key, &floats);
+	    if (!code) {
+		if (floats.size < start + count) {
+		    code = gs_note_error(gs_error_rangecheck);
+		    break;
+		}
+		for (i = 0; i < count; ++i) {
+		    float v = floats.data[start + i];
+
+		    if (v < 0 || v > 255) {
+			code = gs_note_error(gs_error_rangecheck);
+			break;
+		    }
+		    pvals[i] = (UINT8) (v + 0.5);
+		}
+	    }
+    }
+    if (code < 0)
+	param_signal_error(plist, key, code);
+    return code;
+}
+
+/* Get N quantization values from an array or a string. */
+private int
+quant_params(gs_param_list * plist, gs_param_name key, int count,
+	     UINT16 * pvals, floatp QFactor)
+{
+    int i;
+    gs_param_string bytes;
+    gs_param_float_array floats;
+    int code = param_read_string(plist, key, &bytes);
+
+    switch (code) {
+	case 0:
+	    if (bytes.size != count) {
+		code = gs_note_error(gs_error_rangecheck);
+		break;
+	    }
+	    for (i = 0; i < count; ++i) {
+		double v = bytes.data[i] * QFactor;
+
+		pvals[jpeg_order(i)] =
+		    (UINT16) (v < 1 ? 1 : v > 255 ? 255 : v + 0.5);
+	    }
+	    return 0;
+	default:		/* might be a float array */
+	    code = param_read_float_array(plist, key, &floats);
+	    if (!code) {
+		if (floats.size != count) {
+		    code = gs_note_error(gs_error_rangecheck);
+		    break;
+		}
+		for (i = 0; i < count; ++i) {
+		    double v = floats.data[i] * QFactor;
+
+		    pvals[jpeg_order(i)] =
+			(UINT16) (v < 1 ? 1 : v > 255 ? 255 : v + 0.5);
+		}
+	    }
+    }
+    if (code < 0)
+	param_signal_error(plist, key, code);
+    return code;
+#undef jpeg_order
+}
+
+/* ---------------- Main procedures ---------------- */
+
+/* Put common scalars. */
+int
+s_DCT_put_params(gs_param_list * plist, stream_DCT_state * pdct)
+{
+    int code =
+    gs_param_read_items(plist, pdct, s_DCT_param_items);
+
+    if (code < 0)
+	return code;
+    code = gs_param_read_items(plist, pdct->data.common, jsd_param_items);
+    if (code < 0)
+	return code;
+    if (pdct->data.common->Picky < 0 || pdct->data.common->Picky > 1 ||
+	pdct->data.common->Relax < 0 || pdct->data.common->Relax > 1 ||
+	pdct->ColorTransform < -1 || pdct->ColorTransform > 2 ||
+	pdct->QFactor < 0.0 || pdct->QFactor > 1000000.0
+	)
+	return_error(gs_error_rangecheck);
+    return 0;
+}
+
+/* Put quantization tables. */
+int
+s_DCT_put_quantization_tables(gs_param_list * plist, stream_DCT_state * pdct,
+			      bool is_encode)
+{
+    int code;
+    int i, j;
+    gs_param_array quant_tables;	/* array of strings/arrays */
+    int num_in_tables;
+    int num_out_tables;
+    jpeg_component_info *comp_info;
+    JQUANT_TBL **table_ptrs;
+    JQUANT_TBL *this_table;
+
+    switch ((code = param_begin_read_dict(plist, "QuantTables",
+					  &quant_tables, true))
+	) {
+	case 1:
+	    return 0;
+	default:
+	    return param_signal_error(plist, "QuantTables", code);
+	case 0:
+	    ;
+    }
+    if (is_encode) {
+	num_in_tables = pdct->data.compress->cinfo.num_components;
+	if (quant_tables.size < num_in_tables)
+	    return_error(gs_error_rangecheck);
+	comp_info = pdct->data.compress->cinfo.comp_info;
+	table_ptrs = pdct->data.compress->cinfo.quant_tbl_ptrs;
+    } else {
+	num_in_tables = quant_tables.size;
+	comp_info = NULL;	/* do not set for decompress case */
+	table_ptrs = pdct->data.decompress->dinfo.quant_tbl_ptrs;
+    }
+    num_out_tables = 0;
+    for (i = 0; i < num_in_tables; ++i) {
+	char istr[5];		/* i converted to string key */
+	UINT16 values[DCTSIZE2];
+
+	sprintf(istr, "%d", i);
+	code = quant_params(quant_tables.list, istr, DCTSIZE2, values,
+			    pdct->QFactor);
+	if (code < 0)
+	    return code;
+	/* Check for duplicate tables. */
+	for (j = 0; j < num_out_tables; j++) {
+	    if (!memcmp(table_ptrs[j]->quantval, values, sizeof(values)))
+		break;
+	}
+	if (comp_info != NULL)
+	    comp_info[i].quant_tbl_no = j;
+	if (j < num_out_tables)	/* found a duplicate */
+	    continue;
+	if (++num_out_tables > NUM_QUANT_TBLS)
+	    return_error(gs_error_rangecheck);
+	this_table = table_ptrs[j];
+	if (this_table == NULL) {
+	    this_table = gs_jpeg_alloc_quant_table(pdct);
+	    if (this_table == NULL)
+		return_error(gs_error_VMerror);
+	    table_ptrs[j] = this_table;
+	}
+	memcpy(this_table->quantval, values, sizeof(values));
+    }
+    return 0;
+}
+
+/* Put Huffman tables. */
+private int
+find_huff_values(JHUFF_TBL ** table_ptrs, int num_tables,
+	       const UINT8 counts[16], const UINT8 * values, int codes_size)
+{
+    int j;
+
+    for (j = 0; j < num_tables; ++j)
+	if (!memcmp(table_ptrs[j]->bits, counts, sizeof(counts)) &&
+	    !memcmp(table_ptrs[j]->huffval, values,
+		    codes_size * sizeof(values[0])))
+	    break;
+    return j;
+}
+int
+s_DCT_put_huffman_tables(gs_param_list * plist, stream_DCT_state * pdct,
+			 bool is_encode)
+{
+    int code;
+    int i, j;
+    gs_param_array huff_tables;
+    int num_in_tables;
+    int ndc, nac;
+    int codes_size;
+    jpeg_component_info *comp_info;
+    JHUFF_TBL **dc_table_ptrs;
+    JHUFF_TBL **ac_table_ptrs;
+    JHUFF_TBL **this_table_ptr;
+    JHUFF_TBL *this_table;
+    int max_tables = 2;		/* baseline limit */
+
+    switch ((code = param_begin_read_dict(plist, "HuffTables",
+					  &huff_tables, true))
+	) {
+	case 1:
+	    return 0;
+	default:
+	    return param_signal_error(plist, "HuffTables", code);
+	case 0:
+	    ;
+    }
+    if (is_encode) {
+	num_in_tables = pdct->data.compress->cinfo.input_components * 2;
+	if (huff_tables.size < num_in_tables)
+	    return_error(gs_error_rangecheck);
+	comp_info = pdct->data.compress->cinfo.comp_info;
+	dc_table_ptrs = pdct->data.compress->cinfo.dc_huff_tbl_ptrs;
+	ac_table_ptrs = pdct->data.compress->cinfo.ac_huff_tbl_ptrs;
+	if (pdct->data.common->Relax)
+	    max_tables = max(pdct->data.compress->cinfo.input_components, 2);
+    } else {
+	num_in_tables = huff_tables.size;
+	comp_info = NULL;	/* do not set for decompress case */
+	dc_table_ptrs = pdct->data.decompress->dinfo.dc_huff_tbl_ptrs;
+	ac_table_ptrs = pdct->data.decompress->dinfo.ac_huff_tbl_ptrs;
+	if (pdct->data.common->Relax)
+	    max_tables = NUM_HUFF_TBLS;
+    }
+    ndc = nac = 0;
+    for (i = 0; i < num_in_tables; ++i) {
+	char istr[5];		/* i converted to string key */
+	UINT8 counts[16], values[256];
+
+	/* Collect the Huffman parameters. */
+	sprintf(istr, "%d", i);
+	code = s_DCT_byte_params(huff_tables.list, istr, 0, 16, counts);
+	if (code < 0)
+	    return code;
+	for (codes_size = 0, j = 0; j < 16; j++)
+	    codes_size += counts[j];
+	if (codes_size > 256 /*|| r_size(pa) != codes_size+16 */ )
+	    return_error(gs_error_rangecheck);
+	code = s_DCT_byte_params(huff_tables.list, istr, 16, codes_size,
+				 values);
+	if (code < 0)
+	    return code;
+	if (i & 1) {
+	    j = find_huff_values(ac_table_ptrs, nac, counts, values,
+				 codes_size);
+	    if (comp_info != NULL)
+		comp_info[i >> 1].ac_tbl_no = j;
+	    if (j < nac)
+		continue;
+	    if (++nac > NUM_HUFF_TBLS)
+		return_error(gs_error_rangecheck);
+	    this_table_ptr = ac_table_ptrs + j;
+	} else {
+	    j = find_huff_values(dc_table_ptrs, ndc, counts, values,
+				 codes_size);
+	    if (comp_info != NULL)
+		comp_info[i >> 1].dc_tbl_no = j;
+	    if (j < ndc)
+		continue;
+	    if (++ndc > NUM_HUFF_TBLS)
+		return_error(gs_error_rangecheck);
+	    this_table_ptr = dc_table_ptrs + j;
+	}
+	this_table = *this_table_ptr;
+	if (this_table == NULL) {
+	    this_table = gs_jpeg_alloc_huff_table(pdct);
+	    if (this_table == NULL)
+		return_error(gs_error_VMerror);
+	    *this_table_ptr = this_table;
+	}
+	memcpy(this_table->bits, counts, sizeof(counts));
+	memcpy(this_table->huffval, values, codes_size * sizeof(values[0]));
+    }
+    if (nac > max_tables || ndc > max_tables)
+	return_error(gs_error_rangecheck);
+    return 0;
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sdcparam.h b/pstoraster/sdcparam.h
new file mode 100644
index 000000000..ae3750310
--- /dev/null
+++ b/pstoraster/sdcparam.h
@@ -0,0 +1,57 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DCT filter parameter setting and reading interface */
+
+#ifndef sdcparam_INCLUDED
+#  define sdcparam_INCLUDED
+
+/*
+ * All of these procedures are defined in sdcparam.c and are only for
+ * internal use (by sddparam.c and sdeparam.c), so they are not
+ * documented here.
+ */
+
+int s_DCT_get_params(P3(gs_param_list * plist, const stream_DCT_state * ss,
+			const stream_DCT_state * defaults));
+int s_DCT_get_quantization_tables(P4(gs_param_list * plist,
+				     const stream_DCT_state * pdct,
+				     const stream_DCT_state * defaults,
+				     bool is_encode));
+int s_DCT_get_huffman_tables(P4(gs_param_list * plist,
+				const stream_DCT_state * pdct,
+				const stream_DCT_state * defaults,
+				bool is_encode));
+
+int s_DCT_byte_params(P5(gs_param_list * plist, gs_param_name key, int start,
+			 int count, UINT8 * pvals));
+int s_DCT_put_params(P2(gs_param_list * plist, stream_DCT_state * pdct));
+int s_DCT_put_quantization_tables(P3(gs_param_list * plist,
+				     stream_DCT_state * pdct,
+				     bool is_encode));
+int s_DCT_put_huffman_tables(P3(gs_param_list * plist, stream_DCT_state * pdct,
+				bool is_encode));
+
+#endif /* sdcparam_INCLUDED */
diff --git a/pstoraster/sdct.h b/pstoraster/sdct.h
new file mode 100644
index 000000000..cffc646b8
--- /dev/null
+++ b/pstoraster/sdct.h
@@ -0,0 +1,121 @@
+/* Copyright (C) 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires stream.h, strimpl.h, jpeg/jpeglib.h */
+
+#ifndef sdct_INCLUDED
+#  define sdct_INCLUDED
+
+#include <setjmp.h>		/* for jmp_buf */
+
+/* ------ DCT filters ------ */
+
+/*
+ * Define the stream state.
+ * The jpeg_xxx_data structs are allocated in immovable memory
+ * to simplify use of the IJG library.
+ */
+#define jpeg_stream_data_common\
+		/* We put a copy of the stream template here, because */\
+		/* the minimum buffer sizes depend on the image parameters. */\
+	stream_template template;\
+	struct jpeg_error_mgr err;\
+	jmp_buf exit_jmpbuf;\
+	gs_memory_t *memory;	/* heap for library allocations */\
+		/* The following are documented in Adobe TN 5116. */\
+	int Picky;		/* 0 or 1 */\
+	int Relax		/* 0 or 1 */
+typedef struct jpeg_stream_data_s {
+    jpeg_stream_data_common;
+} jpeg_stream_data;
+
+/* Define initialization for the non-library part of the stream state. */
+#define jpeg_stream_data_common_init(pdata)\
+  ((pdata)->Picky = 0, (pdata)->Relax = 0)
+
+typedef struct jpeg_compress_data_s {
+    jpeg_stream_data_common;
+    /* cinfo must immediately follow the common fields */
+    struct jpeg_compress_struct cinfo;
+    struct jpeg_destination_mgr destination;
+} jpeg_compress_data;
+
+typedef struct jpeg_decompress_data_s {
+    jpeg_stream_data_common;
+    /* dinfo must immediately follow the common fields, */
+    /* so that it has same offset as cinfo. */
+    struct jpeg_decompress_struct dinfo;
+    struct jpeg_source_mgr source;
+    long skip;			/* # of bytes remaining to skip in input */
+    bool input_eod;		/* true when no more input data available */
+    bool faked_eoi;		/* true when fill_input_buffer inserted EOI */
+    byte *scanline_buffer;	/* buffer for oversize scanline, or NULL */
+    uint bytes_in_scanline;	/* # of bytes remaining to output from same */
+} jpeg_decompress_data;
+
+/* The stream state itself.  This is kept in garbage-collectable memory. */
+typedef struct stream_DCT_state_s {
+    stream_state_common;
+    /* The following are set before initialization. */
+    /* Note that most JPEG parameters go straight into */
+    /* the IJG data structures, not into this struct. */
+    gs_const_string Markers;	/* NULL if no Markers parameter */
+    float QFactor;
+    int ColorTransform;		/* -1 if not specified */
+    bool NoMarker;		/* DCTEncode only */
+    gs_memory_t *jpeg_memory;	/* heap for library allocations */
+    /* This is a pointer to immovable storage. */
+    union _jd {
+	jpeg_stream_data *common;
+	jpeg_compress_data *compress;
+	jpeg_decompress_data *decompress;
+    } data;
+    /* DCTEncode sets this before initialization;
+     * DCTDecode cannot set it until the JPEG headers are read.
+     */
+    uint scan_line_size;
+    /* The following are updated dynamically. */
+    int phase;
+} stream_DCT_state;
+
+/* The state descriptor is public only to allow us to split up */
+/* the encoding and decoding filters. */
+extern_st(st_DCT_state);
+#define public_st_DCT_state()	/* in sdctc.c */\
+  gs_public_st_const_strings1(st_DCT_state, stream_DCT_state,\
+    "DCTEncode/Decode state", dct_enum_ptrs, dct_reloc_ptrs, Markers)
+
+/*
+ * NOTE: the client *must* invoke the set_defaults procedure in the
+ * template before calling the init procedure.
+ */
+extern const stream_template s_DCTD_template;
+extern const stream_template s_DCTE_template;
+
+/* Define an internal procedure for setting stream defaults. */
+/* Clients do not call this. */
+void s_DCT_set_defaults(P1(stream_state * st));
+
+#endif /* sdct_INCLUDED */
diff --git a/pstoraster/sdctc.c b/pstoraster/sdctc.c
new file mode 100644
index 000000000..0a833e59e
--- /dev/null
+++ b/pstoraster/sdctc.c
@@ -0,0 +1,55 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+
+/*$Id$ */
+/* Code common to DCT encoding and decoding streams */
+#include "stdio_.h"
+#include "gsmemory.h"
+#include "gsmalloc.h"
+#include "jpeglib.h"
+#include "strimpl.h"
+#include "sdct.h"
+
+public_st_DCT_state();
+
+/* Set the defaults for the DCT filters. */
+void
+s_DCT_set_defaults(stream_state * st)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+
+    ss->jpeg_memory = &gs_memory_default;
+    ss->data.common = 0;
+	/****************
+	  ss->data.common->Picky = 0;
+	  ss->data.common->Relax = 0;
+	 ****************/
+    ss->ColorTransform = -1;
+    ss->QFactor = 1.0;
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sdctd.c b/pstoraster/sdctd.c
new file mode 100644
index 000000000..4e18fe482
--- /dev/null
+++ b/pstoraster/sdctd.c
@@ -0,0 +1,303 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+
+/*$Id$ */
+/* DCT decoding filter stream */
+#include "memory_.h"
+#include "stdio_.h"
+#include "jpeglib.h"
+#include "jerror.h"
+#include "gdebug.h"
+#include "gsmemory.h"		/* for gsmalloc.h */
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+
+/* ------ DCTDecode ------ */
+
+/* JPEG source manager procedures */
+private void
+dctd_init_source(j_decompress_ptr dinfo)
+{
+}
+static const JOCTET fake_eoi[2] =
+{0xFF, JPEG_EOI};
+private boolean
+dctd_fill_input_buffer(j_decompress_ptr dinfo)
+{
+    jpeg_decompress_data *jddp =
+    (jpeg_decompress_data *) ((char *)dinfo -
+			      offset_of(jpeg_decompress_data, dinfo));
+
+    if (!jddp->input_eod)
+	return FALSE;		/* normal case: suspend processing */
+    /* Reached end of source data without finding EOI */
+    WARNMS(dinfo, JWRN_JPEG_EOF);
+    /* Insert a fake EOI marker */
+    dinfo->src->next_input_byte = fake_eoi;
+    dinfo->src->bytes_in_buffer = 2;
+    jddp->faked_eoi = true;	/* so process routine doesn't use next_input_byte */
+    return TRUE;
+}
+private void
+dctd_skip_input_data(j_decompress_ptr dinfo, long num_bytes)
+{
+    struct jpeg_source_mgr *src = dinfo->src;
+    jpeg_decompress_data *jddp =
+    (jpeg_decompress_data *) ((char *)dinfo -
+			      offset_of(jpeg_decompress_data, dinfo));
+
+    if (num_bytes > 0) {
+	if (num_bytes > src->bytes_in_buffer) {
+	    jddp->skip += num_bytes - src->bytes_in_buffer;
+	    src->next_input_byte += src->bytes_in_buffer;
+	    src->bytes_in_buffer = 0;
+	    return;
+	}
+	src->next_input_byte += num_bytes;
+	src->bytes_in_buffer -= num_bytes;
+    }
+}
+private void
+dctd_term_source(j_decompress_ptr dinfo)
+{
+}
+
+/* Set the defaults for the DCTDecode filter. */
+private void
+s_DCTD_set_defaults(stream_state * st)
+{
+    s_DCT_set_defaults(st);
+}
+
+/* Initialize DCTDecode filter */
+private int
+s_DCTD_init(stream_state * st)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+    struct jpeg_source_mgr *src = &ss->data.decompress->source;
+
+    src->init_source = dctd_init_source;
+    src->fill_input_buffer = dctd_fill_input_buffer;
+    src->skip_input_data = dctd_skip_input_data;
+    src->term_source = dctd_term_source;
+    src->resync_to_restart = jpeg_resync_to_restart;	/* use default method */
+    ss->data.common->memory = ss->jpeg_memory;
+    ss->data.decompress->dinfo.src = src;
+    ss->data.decompress->skip = 0;
+    ss->data.decompress->input_eod = false;
+    ss->data.decompress->faked_eoi = false;
+    ss->phase = 0;
+    return 0;
+}
+
+/* Process a buffer */
+private int
+s_DCTD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+    jpeg_decompress_data *jddp = ss->data.decompress;
+    struct jpeg_source_mgr *src = jddp->dinfo.src;
+    int code;
+
+    if_debug3('w', "[wdd]process avail=%u, skip=%u, last=%d\n",
+	      (uint) (pr->limit - pr->ptr), (uint) jddp->skip, last);
+    if (jddp->skip != 0) {
+	long avail = pr->limit - pr->ptr;
+
+	if (avail < jddp->skip) {
+	    jddp->skip -= avail;
+	    pr->ptr = pr->limit;
+	    if (!last)
+		return 0;	/* need more data */
+	    jddp->skip = 0;	/* don't skip past input EOD */
+	}
+	pr->ptr += jddp->skip;
+	jddp->skip = 0;
+    }
+    src->next_input_byte = pr->ptr + 1;
+    src->bytes_in_buffer = pr->limit - pr->ptr;
+    jddp->input_eod = last;
+    switch (ss->phase) {
+	case 0:		/* not initialized yet */
+	    /*
+	     * Adobe implementations seem to ignore leading garbage bytes,
+	     * even though neither the standard nor Adobe's own
+	     * documentation mention this.
+	     */
+	    while (pr->ptr < pr->limit && pr->ptr[1] != 0xff)
+		pr->ptr++;
+	    if (pr->ptr == pr->limit)
+		return 0;
+	    src->next_input_byte = pr->ptr + 1;
+	    src->bytes_in_buffer = pr->limit - pr->ptr;
+	    ss->phase = 1;
+	    /* falls through */
+	case 1:		/* reading header markers */
+	    if ((code = gs_jpeg_read_header(ss, TRUE)) < 0)
+		return ERRC;
+	    pr->ptr =
+		(jddp->faked_eoi ? pr->limit : src->next_input_byte - 1);
+	    switch (code) {
+		case JPEG_SUSPENDED:
+		    return 0;
+		    /*case JPEG_HEADER_OK: */
+	    }
+	    /* If we have a ColorTransform parameter, and it's not
+	     * overridden by an Adobe marker in the data, set colorspace.
+	     */
+	    if (ss->ColorTransform >= 0 &&
+		!jddp->dinfo.saw_Adobe_marker) {
+		switch (jddp->dinfo.num_components) {
+		    case 3:
+			jddp->dinfo.jpeg_color_space =
+			    (ss->ColorTransform ? JCS_YCbCr : JCS_RGB);
+			/* out_color_space will default to JCS_RGB */
+			break;
+		    case 4:
+			jddp->dinfo.jpeg_color_space =
+			    (ss->ColorTransform ? JCS_YCCK : JCS_CMYK);
+			/* out_color_space will default to JCS_CMYK */
+			break;
+		}
+	    }
+	    ss->phase = 2;
+	    /* falls through */
+	case 2:		/* start_decompress */
+	    if ((code = gs_jpeg_start_decompress(ss)) < 0)
+		return ERRC;
+	    pr->ptr =
+		(jddp->faked_eoi ? pr->limit : src->next_input_byte - 1);
+	    if (code == 0)
+		return 0;
+	    ss->scan_line_size =
+		jddp->dinfo.output_width * jddp->dinfo.output_components;
+	    if_debug4('w', "[wdd]width=%u, components=%d, scan_line_size=%u, min_out_size=%u\n",
+		      jddp->dinfo.output_width,
+		      jddp->dinfo.output_components,
+		      ss->scan_line_size, jddp->template.min_out_size);
+	    if (ss->scan_line_size > (uint) jddp->template.min_out_size) {
+		/* Create a spare buffer for oversize scanline */
+		jddp->scanline_buffer =
+		    gs_alloc_bytes_immovable(jddp->memory,
+					     ss->scan_line_size,
+					 "s_DCTD_process(scanline_buffer)");
+		if (jddp->scanline_buffer == NULL)
+		    return ERRC;
+	    }
+	    jddp->bytes_in_scanline = 0;
+	    ss->phase = 3;
+	    /* falls through */
+	case 3:		/* reading data */
+	  dumpbuffer:
+	    if (jddp->bytes_in_scanline != 0) {
+		uint avail = pw->limit - pw->ptr;
+		uint tomove = min(jddp->bytes_in_scanline,
+				  avail);
+
+		if_debug2('w', "[wdd]moving %u/%u\n",
+			  tomove, avail);
+		memcpy(pw->ptr + 1, jddp->scanline_buffer +
+		       (ss->scan_line_size - jddp->bytes_in_scanline),
+		       tomove);
+		pw->ptr += tomove;
+		jddp->bytes_in_scanline -= tomove;
+		if (jddp->bytes_in_scanline != 0)
+		    return 1;	/* need more room */
+	    }
+	    while (jddp->dinfo.output_height > jddp->dinfo.output_scanline) {
+		int read;
+		byte *samples;
+
+		if (jddp->scanline_buffer != NULL)
+		    samples = jddp->scanline_buffer;
+		else {
+		    if ((uint) (pw->limit - pw->ptr) < ss->scan_line_size)
+			return 1;	/* need more room */
+		    samples = pw->ptr + 1;
+		}
+		read = gs_jpeg_read_scanlines(ss, &samples, 1);
+		if (read < 0)
+		    return ERRC;
+		if_debug3('w', "[wdd]read returns %d, used=%u, faked_eoi=%d\n",
+			  read,
+			  (uint) (src->next_input_byte - 1 - pr->ptr),
+			  (int)jddp->faked_eoi);
+		pr->ptr =
+		    (jddp->faked_eoi ? pr->limit : src->next_input_byte - 1);
+		if (!read)
+		    return 0;	/* need more data */
+		if (jddp->scanline_buffer != NULL) {
+		    jddp->bytes_in_scanline = ss->scan_line_size;
+		    goto dumpbuffer;
+		}
+		pw->ptr += ss->scan_line_size;
+	    }
+	    ss->phase = 4;
+	    /* falls through */
+	case 4:		/* end of image; scan for EOI */
+	    if ((code = gs_jpeg_finish_decompress(ss)) < 0)
+		return ERRC;
+	    pr->ptr =
+		(jddp->faked_eoi ? pr->limit : src->next_input_byte - 1);
+	    if (code == 0)
+		return 0;
+	    ss->phase = 5;
+	    /* falls through */
+	case 5:		/* we are DONE */
+	    return EOFC;
+    }
+    /* Default case can't happen.... */
+    return ERRC;
+}
+
+/* Release the stream */
+private void
+s_DCTD_release(stream_state * st)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+
+    gs_jpeg_destroy(ss);
+    if (ss->data.decompress->scanline_buffer != NULL)
+	gs_free_object(ss->data.common->memory,
+		       ss->data.decompress->scanline_buffer,
+		       "s_DCTD_release(scanline_buffer)");
+    gs_free_object(ss->data.common->memory, ss->data.decompress,
+		   "s_DCTD_release");
+    /* Switch the template pointer back in case we still need it. */
+    st->template = &s_DCTD_template;
+}
+
+/* Stream template */
+const stream_template s_DCTD_template =
+{&st_DCT_state, s_DCTD_init, s_DCTD_process, 2000, 4000, s_DCTD_release,
+ s_DCTD_set_defaults
+};
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sdcte.c b/pstoraster/sdcte.c
new file mode 100644
index 000000000..dcd1d78cf
--- /dev/null
+++ b/pstoraster/sdcte.c
@@ -0,0 +1,203 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+
+/*$Id$ */
+/* DCT encoding filter stream */
+#include "memory_.h"
+#include "stdio_.h"
+#include "jpeglib.h"
+#include "jerror.h"
+#include "gdebug.h"
+#include "gsmemory.h"		/* for gsmalloc.h */
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+
+/* ------ DCTEncode ------ */
+
+/* JPEG destination manager procedures */
+private void
+dcte_init_destination(j_compress_ptr cinfo)
+{
+}
+private boolean
+dcte_empty_output_buffer(j_compress_ptr cinfo)
+{
+    return FALSE;
+}
+private void
+dcte_term_destination(j_compress_ptr cinfo)
+{
+}
+
+/* Set the defaults for the DCTEncode filter. */
+private void
+s_DCTE_set_defaults(stream_state * st)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+
+    s_DCT_set_defaults(st);
+    ss->QFactor = 1.0;
+    ss->ColorTransform = 0;
+    ss->Markers.data = 0;
+    ss->Markers.size = 0;
+    ss->NoMarker = true;
+}
+
+/* Initialize DCTEncode filter */
+private int
+s_DCTE_init(stream_state * st)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+    struct jpeg_destination_mgr *dest = &ss->data.compress->destination;
+
+    dest->init_destination = dcte_init_destination;
+    dest->empty_output_buffer = dcte_empty_output_buffer;
+    dest->term_destination = dcte_term_destination;
+    ss->data.common->memory = ss->jpeg_memory;
+    ss->data.compress->cinfo.dest = dest;
+    ss->phase = 0;
+    return 0;
+}
+
+/* Process a buffer */
+private int
+s_DCTE_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+    jpeg_compress_data *jcdp = ss->data.compress;
+    struct jpeg_destination_mgr *dest = jcdp->cinfo.dest;
+
+    dest->next_output_byte = pw->ptr + 1;
+    dest->free_in_buffer = pw->limit - pw->ptr;
+    switch (ss->phase) {
+	case 0:		/* not initialized yet */
+	    if (gs_jpeg_start_compress(ss, TRUE) < 0)
+		return ERRC;
+	    pw->ptr = dest->next_output_byte - 1;
+	    ss->phase = 1;
+	    /* falls through */
+	case 1:		/* initialized, Markers not written */
+	    if (pw->limit - pw->ptr < ss->Markers.size)
+		return 1;
+	    memcpy(pw->ptr + 1, ss->Markers.data, ss->Markers.size);
+	    pw->ptr += ss->Markers.size;
+	    ss->phase = 2;
+	    /* falls through */
+	case 2:		/* still need to write Adobe marker */
+	    if (!ss->NoMarker) {
+		static const byte Adobe[] =
+		{
+		    0xFF, JPEG_APP0 + 14, 0, 14,	/* parameter length */
+		    'A', 'd', 'o', 'b', 'e',
+		    0, 100,	/* Version */
+		    0, 0,	/* Flags0 */
+		    0, 0,	/* Flags1 */
+		    0		/* ColorTransform */
+		};
+
+#define ADOBE_MARKER_LEN sizeof(Adobe)
+		if (pw->limit - pw->ptr < ADOBE_MARKER_LEN)
+		    return 1;
+		memcpy(pw->ptr + 1, Adobe, ADOBE_MARKER_LEN);
+		pw->ptr += ADOBE_MARKER_LEN;
+		*pw->ptr = ss->ColorTransform;
+#undef ADOBE_MARKER_LEN
+	    }
+	    dest->next_output_byte = pw->ptr + 1;
+	    dest->free_in_buffer = pw->limit - pw->ptr;
+	    ss->phase = 3;
+	    /* falls through */
+	case 3:		/* markers written, processing data */
+	    while (jcdp->cinfo.image_height > jcdp->cinfo.next_scanline) {
+		int written;
+
+		/*
+		 * The data argument for jpeg_write_scanlines is
+		 * declared as a JSAMPARRAY.  There is no corresponding
+		 * const type, so we must remove const from the
+		 * argument that we are passing here.  (Tom Lane of IJG
+		 * judges that providing const analogues of the
+		 * interface types wouldn't be worth the trouble.)
+		 */
+		/*const */ byte *samples = (byte *) (pr->ptr + 1);
+
+		if ((uint) (pr->limit - pr->ptr) < ss->scan_line_size) {
+		    if (last)
+			return ERRC;	/* premature EOD */
+		    return 0;	/* need more data */
+		}
+		written = gs_jpeg_write_scanlines(ss, &samples, 1);
+		if (written < 0)
+		    return ERRC;
+		pw->ptr = dest->next_output_byte - 1;
+		if (!written)
+		    return 1;	/* output full */
+		pr->ptr += ss->scan_line_size;
+	    }
+	    ss->phase = 4;
+	    /* falls through */
+	case 4:		/* all data processed, finishing */
+	    /* jpeg_finish_compress can't suspend, so make sure
+	     * it has plenty of room to write the last few bytes.
+	     */
+	    if (pw->limit - pw->ptr < 100)
+		return 1;
+	    if (gs_jpeg_finish_compress(ss) < 0)
+		return ERRC;
+	    pw->ptr = dest->next_output_byte - 1;
+	    ss->phase = 5;
+	    /* falls through */
+	case 5:		/* we are DONE */
+	    return EOFC;
+    }
+    /* Default case can't happen.... */
+    return ERRC;
+}
+
+/* Release the stream */
+private void
+s_DCTE_release(stream_state * st)
+{
+    stream_DCT_state *const ss = (stream_DCT_state *) st;
+
+    gs_jpeg_destroy(ss);
+    gs_free_object(ss->data.common->memory, ss->data.compress,
+		   "s_DCTE_release");
+    /* Switch the template pointer back in case we still need it. */
+    st->template = &s_DCTE_template;
+}
+
+/* Stream template */
+const stream_template s_DCTE_template =
+{&st_DCT_state, s_DCTE_init, s_DCTE_process, 1000, 4000, s_DCTE_release,
+ s_DCTE_set_defaults
+};
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sddparam.c b/pstoraster/sddparam.c
new file mode 100644
index 000000000..01c3a9b17
--- /dev/null
+++ b/pstoraster/sddparam.c
@@ -0,0 +1,83 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* DCTDecode filter parameter setting and reading */
+#include "std.h"
+#include "jpeglib.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsparam.h"
+#include "strimpl.h"		/* sdct.h requires this */
+#include "sdct.h"
+#include "sdcparam.h"
+#include "sjpeg.h"
+
+/* ================ Get parameters ================ */
+
+stream_state_proc_get_params(s_DCTD_get_params, stream_DCT_state);	/* check */
+
+int
+s_DCTD_get_params(gs_param_list * plist, const stream_DCT_state * ss, bool all)
+{
+    stream_DCT_state dcts_defaults;
+    const stream_DCT_state *defaults;
+
+    if (all)
+	defaults = 0;
+    else {
+	(*s_DCTE_template.set_defaults) ((stream_state *) & dcts_defaults);
+	defaults = &dcts_defaults;
+    }
+/****** NYI ******/
+    return s_DCT_get_params(plist, ss, defaults);
+}
+
+/* ================ Put parameters ================ */
+
+stream_state_proc_put_params(s_DCTD_put_params, stream_DCT_state);	/* check */
+
+int
+s_DCTD_put_params(gs_param_list * plist, stream_DCT_state * pdct)
+{
+    int code;
+
+    if ((code = s_DCT_put_params(plist, pdct)) < 0 ||
+    /*
+     * DCTDecode accepts quantization and huffman tables
+     * in case these tables have been omitted from the datastream.
+     */
+	(code = s_DCT_put_huffman_tables(plist, pdct, false)) < 0 ||
+	(code = s_DCT_put_quantization_tables(plist, pdct, false)) < 0
+	)
+	DO_NOTHING;
+    return code;
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sdeparam.c b/pstoraster/sdeparam.c
new file mode 100644
index 000000000..cb54faa35
--- /dev/null
+++ b/pstoraster/sdeparam.c
@@ -0,0 +1,328 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* DCTEncode filter parameter setting and reading */
+#include "memory_.h"
+#include "jpeglib.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsparam.h"
+#include "strimpl.h"		/* sdct.h requires this */
+#include "sdct.h"
+#include "sdcparam.h"
+#include "sjpeg.h"
+
+/* Define a structure for the DCTEncode scalar parameters. */
+typedef struct dcte_scalars_s {
+    int Columns;
+    int Rows;
+    int Colors;
+    gs_param_string Markers;
+    bool NoMarker;
+    int Resync;
+    int Blend;
+} dcte_scalars_t;
+private const dcte_scalars_t dcte_scalars_default =
+{
+    0, 0, -1,
+    {0, 0}, 0 /*false */ , 0, 0
+};
+private const gs_param_item_t s_DCTE_param_items[] =
+{
+#define dctp(key, type, memb) { key, type, offset_of(dcte_scalars_t, memb) }
+    dctp("Columns", gs_param_type_int, Columns),
+    dctp("Rows", gs_param_type_int, Rows),
+    dctp("Colors", gs_param_type_int, Colors),
+    dctp("Marker", gs_param_type_string, Markers),
+    dctp("NoMarker", gs_param_type_bool, NoMarker),
+    dctp("Resync", gs_param_type_int, Resync),
+    dctp("Blend", gs_param_type_int, Blend),
+#undef dctp
+    gs_param_item_end
+};
+
+/* ================ Get parameters ================ */
+
+stream_state_proc_get_params(s_DCTE_get_params, stream_DCT_state);	/* check */
+
+/* Get a set of sampling values. */
+private int
+dcte_get_samples(gs_param_list * plist, gs_param_name key, int num_colors,
+ const jpeg_compress_data * jcdp, gs_memory_t * mem, bool is_vert, bool all)
+{
+    const jpeg_component_info *comp_info = jcdp->cinfo.comp_info;
+    int samples[4];
+    bool write = all;
+    int i;
+
+    for (i = 0; i < num_colors; ++i)
+	write |= (samples[i] = (is_vert ? comp_info[i].v_samp_factor :
+				comp_info[i].h_samp_factor)) != 1;
+    if (write) {
+	int *data = (int *)gs_alloc_byte_array(mem, num_colors, sizeof(int),
+					       "dcte_get_samples");
+	gs_param_int_array sa;
+
+	if (data == 0)
+	    return_error(gs_error_VMerror);
+	sa.data = data;
+	sa.size = num_colors;
+	sa.persistent = true;
+	memcpy(data, samples, num_colors * sizeof(samples[0]));
+	return param_write_int_array(plist, key, &sa);
+    }
+    return 0;
+}
+
+int
+s_DCTE_get_params(gs_param_list * plist, const stream_DCT_state * ss, bool all)
+{
+    gs_memory_t *mem = ss->memory;
+    stream_DCT_state dcts_defaults;
+    const stream_DCT_state *defaults = 0;
+    dcte_scalars_t params;
+    const jpeg_compress_data *jcdp = ss->data.compress;
+    int code;
+
+    if (!all) {
+	jpeg_compress_data *jcdp_default =
+	(jpeg_compress_data *)
+	gs_alloc_bytes_immovable(mem, sizeof(*jcdp), "s_DCTE_get_params");
+
+	if (jcdp_default == 0)
+	    return_error(gs_error_VMerror);
+	defaults = &dcts_defaults;
+	(*s_DCTE_template.set_defaults) ((stream_state *) & dcts_defaults);
+	dcts_defaults.data.compress = jcdp_default;
+	jcdp_default->memory = dcts_defaults.jpeg_memory = mem;
+	if ((code = gs_jpeg_create_compress(&dcts_defaults)) < 0)
+	    goto fail;		/* correct to do jpeg_destroy here */
+/****** SET DEFAULTS HERE ******/
+	dcts_defaults.data.common->Picky = 0;
+	dcts_defaults.data.common->Relax = 0;
+    }
+    params.Columns = jcdp->cinfo.image_width;
+    params.Rows = jcdp->cinfo.image_height;
+    params.Colors = jcdp->cinfo.input_components;
+    params.Markers.data = ss->Markers.data;
+    params.Markers.size = ss->Markers.size;
+    params.Markers.persistent = false;
+    params.NoMarker = ss->NoMarker;
+    params.Resync = jcdp->cinfo.restart_interval;
+    /* What about Blend?? */
+    if ((code = s_DCT_get_params(plist, ss, defaults)) < 0 ||
+	(code = gs_param_write_items(plist, &params,
+				     &dcte_scalars_default,
+				     s_DCTE_param_items)) < 0 ||
+	(code = dcte_get_samples(plist, "HSamples", params.Colors,
+				 jcdp, mem, false, all)) < 0 ||
+	(code = dcte_get_samples(plist, "VSamples", params.Colors,
+				 jcdp, mem, true, all)) < 0 ||
+    (code = s_DCT_get_quantization_tables(plist, ss, defaults, true)) < 0 ||
+	(code = s_DCT_get_huffman_tables(plist, ss, defaults, true)) < 0
+	)
+	DO_NOTHING;
+/****** NYI ******/
+  fail:if (defaults) {
+	gs_jpeg_destroy(&dcts_defaults);
+	gs_free_object(mem, dcts_defaults.data.compress,
+		       "s_DCTE_get_params");
+    }
+    return code;
+}
+
+/* ================ Put parameters ================ */
+
+stream_state_proc_put_params(s_DCTE_put_params, stream_DCT_state);	/* check */
+
+/* Put a set of sampling values. */
+private int
+dcte_put_samples(gs_param_list * plist, gs_param_name key, int num_colors,
+		 jpeg_compress_data * jcdp, bool is_vert)
+{
+    int code;
+    int i;
+    jpeg_component_info *comp_info = jcdp->cinfo.comp_info;
+    UINT8 samples[4];
+
+    /*
+     * Adobe default is all sampling factors = 1,
+     * which is NOT the IJG default, so we must always assign values.
+     */
+    switch ((code = s_DCT_byte_params(plist, key, 0, num_colors,
+				      samples))
+	) {
+	default:		/* error */
+	    return code;
+	case 0:
+	    break;
+	case 1:
+	    samples[0] = samples[1] = samples[2] = samples[3] = 1;
+    }
+    for (i = 0; i < num_colors; i++) {
+	if (samples[i] < 1 || samples[i] > 4)
+	    return_error(gs_error_rangecheck);
+	if (is_vert)
+	    comp_info[i].v_samp_factor = samples[i];
+	else
+	    comp_info[i].h_samp_factor = samples[i];
+    }
+    return 0;
+}
+
+/* Main procedure */
+int
+s_DCTE_put_params(gs_param_list * plist, stream_DCT_state * pdct)
+{
+    jpeg_compress_data *jcdp = pdct->data.compress;
+    dcte_scalars_t params;
+    int i;
+    int code;
+
+    params = dcte_scalars_default;
+    /*
+     * Required parameters for DCTEncode.
+     * (DCTDecode gets the equivalent info from the SOF marker.)
+     */
+    code = gs_param_read_items(plist, &params, s_DCTE_param_items);
+    if (code < 0)
+	return code;
+    if (params.Columns <= 0 || params.Columns > 0xffff ||
+	params.Rows <= 0 || params.Rows > 0xffff ||
+	params.Colors <= 0 || params.Colors == 2 || params.Colors > 4 ||
+	params.Resync < 0 || params.Resync > 0xffff ||
+	params.Blend < 0 || params.Blend > 1
+	)
+	return_error(gs_error_rangecheck);
+/****** HACK: SET DEFAULTS HERE ******/
+    jcdp->Picky = 0;
+    jcdp->Relax = 0;
+    if ((code = s_DCT_put_params(plist, pdct)) < 0 ||
+	(code = s_DCT_put_huffman_tables(plist, pdct, false)) < 0
+	)
+	return code;
+    switch ((code = s_DCT_put_quantization_tables(plist, pdct, false))) {
+	case 0:
+	    break;
+	default:
+	    return code;
+	case 1:
+	    /* No QuantTables, but maybe a QFactor to apply to default. */
+	    if (pdct->QFactor != 1.0) {
+		code = gs_jpeg_set_linear_quality(pdct,
+					     (int)(min(pdct->QFactor, 100.0)
+						   * 100.0 + 0.5),
+						  TRUE);
+		if (code < 0)
+		    return code;
+	    }
+    }
+    /* Set up minimal image description & call set_defaults */
+    jcdp->cinfo.image_width = params.Columns;
+    jcdp->cinfo.image_height = params.Rows;
+    jcdp->cinfo.input_components = params.Colors;
+    switch (params.Colors) {
+	case 1:
+	    jcdp->cinfo.in_color_space = JCS_GRAYSCALE;
+	    break;
+	case 3:
+	    jcdp->cinfo.in_color_space = JCS_RGB;
+	    break;
+	case 4:
+	    jcdp->cinfo.in_color_space = JCS_CMYK;
+	    break;
+	default:
+	    jcdp->cinfo.in_color_space = JCS_UNKNOWN;
+    }
+    if ((code = gs_jpeg_set_defaults(pdct)) < 0)
+	return code;
+    /* Change IJG colorspace defaults as needed;
+     * set ColorTransform to what will go in the Adobe marker.
+     */
+    switch (params.Colors) {
+	case 3:
+	    if (pdct->ColorTransform < 0)
+		pdct->ColorTransform = 1;	/* default */
+	    if (pdct->ColorTransform == 0) {
+		if ((code = gs_jpeg_set_colorspace(pdct, JCS_RGB)) < 0)
+		    return code;
+	    } else
+		pdct->ColorTransform = 1;	/* flag YCC xform */
+	    break;
+	case 4:
+	    if (pdct->ColorTransform < 0)
+		pdct->ColorTransform = 0;	/* default */
+	    if (pdct->ColorTransform != 0) {
+		if ((code = gs_jpeg_set_colorspace(pdct, JCS_YCCK)) < 0)
+		    return code;
+		pdct->ColorTransform = 2;	/* flag YCCK xform */
+	    } else {
+		if ((code = gs_jpeg_set_colorspace(pdct, JCS_CMYK)) < 0)
+		    return code;
+	    }
+	    break;
+	default:
+	    pdct->ColorTransform = 0;	/* no transform otherwise */
+	    break;
+    }
+    /* Optional encoding-only parameters */
+    pdct->Markers.data = params.Markers.data;
+    pdct->Markers.size = params.Markers.size;
+    pdct->NoMarker = params.NoMarker;
+    if ((code = dcte_put_samples(plist, "HSamples", params.Colors,
+				 jcdp, false)) < 0 ||
+	(code = dcte_put_samples(plist, "VSamples", params.Colors,
+				 jcdp, true)) < 0
+	)
+	return code;
+    jcdp->cinfo.write_JFIF_header = FALSE;
+    jcdp->cinfo.write_Adobe_marker = FALSE;	/* must do it myself */
+    jcdp->cinfo.restart_interval = params.Resync;
+    /* What to do with Blend ??? */
+    if (pdct->data.common->Relax == 0) {
+	jpeg_component_info *comp_info = jcdp->cinfo.comp_info;
+	int num_samples;
+
+	for (i = 0, num_samples = 0; i < params.Colors; i++)
+	    num_samples += comp_info[i].h_samp_factor *
+		comp_info[i].v_samp_factor;
+	if (num_samples > 10)
+	    return_error(gs_error_rangecheck);
+	/*
+	 * Note: by default the IJG software does not allow
+	 * num_samples to exceed 10, Relax or no.  For full
+	 * compatibility with Adobe's non-JPEG-compliant
+	 * software, set MAX_BLOCKS_IN_MCU to 64 in jpeglib.h.
+	 */
+    }
+    return 0;
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/seexec.c b/pstoraster/seexec.c
new file mode 100644
index 000000000..df6fb3e0b
--- /dev/null
+++ b/pstoraster/seexec.c
@@ -0,0 +1,192 @@
+/* Copyright (C) 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* eexec filters */
+#include "stdio_.h"		/* includes std.h */
+#include "strimpl.h"
+#include "sfilter.h"
+#include "gscrypt1.h"
+#include "scanchar.h"
+
+/* ------ eexecEncode ------ */
+
+/* Encoding is much simpler than decoding, because we don't */
+/* worry about initial characters or hex vs. binary (the client */
+/* has to take care of these aspects). */
+
+private_st_exE_state();
+
+/* Process a buffer */
+private int
+s_exE_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_exE_state *const ss = (stream_exE_state *) st;
+    const byte *p = pr->ptr;
+    byte *q = pw->ptr;
+    uint rcount = pr->limit - p;
+    uint wcount = pw->limit - q;
+    uint count;
+    int status;
+
+    if (rcount <= wcount)
+	count = rcount, status = 0;
+    else
+	count = wcount, status = 1;
+    gs_type1_encrypt(q + 1, p + 1, count, (crypt_state *)&ss->cstate);
+    pr->ptr += count;
+    pw->ptr += count;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_exE_template = {
+    &st_exE_state, NULL, s_exE_process, 1, 2
+};
+
+/* ------ eexecDecode ------ */
+
+private_st_exD_state();
+
+/* Set defaults. */
+private void
+s_exD_set_defaults(stream_state * st)
+{
+    stream_exD_state *const ss = (stream_exD_state *) st;
+
+    ss->lenIV = 4;
+}
+
+/* Initialize the state for reading and decrypting. */
+/* Decrypting streams are not positionable. */
+private int
+s_exD_init(stream_state * st)
+{
+    stream_exD_state *const ss = (stream_exD_state *) st;
+
+    ss->odd = -1;
+    ss->binary = -1;		/* unknown */
+    ss->record_left = max_long;
+    ss->skip = ss->lenIV;
+    return 0;
+}
+
+/* Process a buffer. */
+private int
+s_exD_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_exD_state *const ss = (stream_exD_state *) st;
+    const byte *p = pr->ptr;
+    byte *q = pw->ptr;
+    int skip = ss->skip;
+    int rcount = pr->limit - p;
+    int wcount = pw->limit - q;
+    int status = 0;
+    int count = (wcount < rcount ? (status = 1, wcount) : rcount);
+
+    if (ss->binary < 0) {
+	/*
+	 * This is the very first time we're filling the buffer.
+	 * Determine whether this is ASCII or hex encoding.
+	 */
+	const byte *const decoder = scan_char_decoder;
+	int i;
+
+	if (rcount < 8)
+	    return 0;
+	/*
+	 * Adobe's documentation doesn't actually specify the test
+	 * that eexec should use, but we believe the following
+	 * gives correct answers even on certain non-conforming
+	 * PostScript files encountered in practice:
+	 */
+	ss->binary = 0;
+	for (i = 1; i <= 8; i++)
+	    if (!(decoder[p[i]] <= 0xf ||
+		  decoder[p[i]] == ctype_space)
+		) {
+		ss->binary = 1;
+		if (ss->pfb_state != 0) {
+		    /* Stop at the end of the .PFB binary data. */
+		    ss->record_left = ss->pfb_state->record_left;
+		}
+		break;
+	    }
+    }
+    if (ss->binary) {
+	if (count > ss->record_left) {
+	    count = ss->record_left;
+	    status = 0;
+	}
+	/*
+	 * We pause at the end of the .PFB binary data,
+	 * in an attempt to keep from reading beyond the end of
+	 * the encrypted data.
+	 */
+	if ((ss->record_left -= count) == 0)
+	    ss->record_left = max_long;
+	pr->ptr = p + count;
+    } else {
+	/*
+	 * We only ignore leading whitespace, in an attempt to
+	 * keep from reading beyond the end of the encrypted data.
+	 */
+	status = s_hex_process(pr, pw, &ss->odd,
+			       hex_ignore_leading_whitespace);
+	p = q;
+	count = pw->ptr - q;
+    }
+    if (skip >= count && skip != 0) {
+	gs_type1_decrypt(q + 1, p + 1, count,
+			 (crypt_state *) & ss->cstate);
+	ss->skip -= count;
+	count = 0;
+	status = 0;
+    } else {
+	gs_type1_decrypt(q + 1, p + 1, skip,
+			 (crypt_state *) & ss->cstate);
+	count -= skip;
+	gs_type1_decrypt(q + 1, p + 1 + skip, count,
+			 (crypt_state *) & ss->cstate);
+	ss->skip = 0;
+    }
+    pw->ptr = q + count;
+    return status;
+}
+
+/* Stream template */
+/*
+ * The specification of eexec decoding requires that it never read more than
+ * 512 source bytes ahead.  The only reliable way to ensure this is to
+ * limit the size of the output buffer to 256.  We set it a little smaller
+ * so that it will stay under the limit even after adding min_in_size
+ * for a subsequent filter in a pipeline.  Note that we have to specify
+ * a size of at least 128 so that filter_read won't round it up.
+ */
+const stream_template s_exD_template = {
+    &st_exD_state, s_exD_init, s_exD_process, 8, 200,
+    NULL, s_exD_set_defaults
+};
diff --git a/pstoraster/sfilter.h b/pstoraster/sfilter.h
new file mode 100644
index 000000000..3daa96783
--- /dev/null
+++ b/pstoraster/sfilter.h
@@ -0,0 +1,139 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for simple Ghostscript streams */
+/* Requires scommon.h; should require strimpl.h only if any templates */
+/* are referenced, but some compilers always require strimpl.h. */
+
+#ifndef sfilter_INCLUDED
+#  define sfilter_INCLUDED
+
+#include "gstypes.h"		/* for gs_[const_]string */
+
+/*
+ * Define the processing states of the simplest Ghostscript streams.
+ * We use abbreviations for the stream names so as not to exceed the
+ * 31-character limit that some compilers put on identifiers.
+ *
+ * The processing state of a stream has three logical sections:
+ * parameters set by the client before the stream is opened,
+ * values computed from the parameters at initialization time,
+ * and values that change dynamically.  Unless otherwise indicated,
+ * all structure members change dynamically.
+ */
+
+/* (T)BCPEncode */
+/* (no state) */
+extern const stream_template s_BCPE_template;
+extern const stream_template s_TBCPE_template;
+
+/* (T)BCPDecode */
+typedef struct stream_BCPD_state_s {
+    stream_state_common;
+    /* The client sets the following before initialization. */
+    int (*signal_interrupt) (P1(stream_state *));
+    int (*request_status) (P1(stream_state *));
+    /* The following are updated dynamically. */
+    bool escaped;
+    int matched;		/* TBCP only */
+    int copy_count;		/* TBCP only */
+    const byte *copy_ptr;	/* TBCP only */
+} stream_BCPD_state;
+
+#define private_st_BCPD_state()	/* in sbcp.c */\
+  gs_private_st_simple(st_BCPD_state, stream_BCPD_state, "(T)BCPDecode state")
+extern const stream_template s_BCPD_template;
+extern const stream_template s_TBCPD_template;
+
+/* eexecEncode */
+typedef struct stream_exE_state_s {
+    stream_state_common;
+    /* The following parameters are set by the client. */
+    ushort cstate;		/* encryption state */
+} stream_exE_state;
+
+#define private_st_exE_state()	/* in sfilter1.c */\
+  gs_private_st_simple(st_exE_state, stream_exE_state, "eexecEncode state")
+extern const stream_template s_exE_template;
+
+/* eexecDecode */
+typedef struct stream_PFBD_state_s stream_PFBD_state;
+typedef struct stream_exD_state_s {
+    stream_state_common;
+    /* The following parameters are set by the client. */
+    ushort cstate;		/* encryption state */
+    stream_PFBD_state *pfb_state;	/* state of underlying */
+				/* PFBDecode stream, if any */
+    int binary;			/* 1=binary, 0=hex, -1=don't know yet */
+    int lenIV;			/* # of initial decoded bytes to skip */
+    /* The following change dynamically. */
+    int odd;			/* odd digit */
+    long record_left;		/* data left in binary record in .PFB file, */
+				/* max_long if not reading a .PFB file */
+    int skip;			/* # of decoded bytes to skip */
+} stream_exD_state;
+
+#define private_st_exD_state()	/* in seexec.c */\
+  gs_private_st_ptrs1(st_exD_state, stream_exD_state, "eexecDecode state",\
+    exd_enum_ptrs, exd_reloc_ptrs, pfb_state)
+extern const stream_template s_exD_template;
+
+/* NullEncode/Decode */
+/* (no state) */
+extern const stream_template s_NullE_template;
+extern const stream_template s_NullD_template;
+
+/* PFBDecode */
+/* The typedef for the state appears under eexecDecode above. */
+/*typedef */ struct stream_PFBD_state_s {
+    stream_state_common;
+    /* The following parameters are set by the client. */
+    int binary_to_hex;
+    /* The following change dynamically. */
+    int record_type;
+    ulong record_left;		/* bytes left in current record */
+} /*stream_PFBD_state */ ;
+
+#define private_st_PFBD_state()	/* in sfilter1.c */\
+  gs_private_st_simple(st_PFBD_state, stream_PFBD_state, "PFBDecode state")
+extern const stream_template s_PFBD_template;
+
+/* SubFileDecode */
+typedef struct stream_SFD_state_s {
+    stream_state_common;
+    /* The following parameters are set by the client. */
+    long count;			/* # of EODs to scan over */
+    gs_const_string eod;
+    /* The following change dynamically. */
+    uint match;			/* # of matched chars not copied to output */
+    uint copy_count;		/* # of matched characters left to copy */
+    uint copy_ptr;		/* index of next character to copy */
+} stream_SFD_state;
+#define private_st_SFD_state()	/* in sfilter1.c */\
+  gs_private_st_const_strings1(st_SFD_state, stream_SFD_state,\
+    "SubFileDecode state", sfd_enum_ptrs, sfd_reloc_ptrs, eod)
+extern const stream_template s_SFD_template;
+
+#endif /* sfilter_INCLUDED */
diff --git a/pstoraster/sfilter1.c b/pstoraster/sfilter1.c
new file mode 100644
index 000000000..0a9181c4e
--- /dev/null
+++ b/pstoraster/sfilter1.c
@@ -0,0 +1,301 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Filters included in Level 1 systems: NullEncode/Decode, PFBDecode, */
+/*   SubFileDecode. */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "strimpl.h"
+#include "sfilter.h"
+
+/* ------ NullEncode/Decode ------ */
+
+/* Process a buffer */
+private int
+s_Null_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    return stream_move(pr, pw);
+}
+
+/* Stream template */
+const stream_template s_NullE_template = {
+    &st_stream_state, NULL, s_Null_process, 1, 1
+};
+const stream_template s_NullD_template = {
+    &st_stream_state, NULL, s_Null_process, 1, 1
+};
+
+/* ------ PFBDecode ------ */
+
+private_st_PFBD_state();
+
+/* Initialize the state */
+private int
+s_PFBD_init(stream_state * st)
+{
+    stream_PFBD_state *const ss = (stream_PFBD_state *) st;
+
+    ss->record_type = -1;
+    return 0;
+}
+
+/* Process a buffer */
+private int
+s_PFBD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_PFBD_state *const ss = (stream_PFBD_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    int rcount, wcount;
+    int c;
+    int status = 0;
+
+top:
+    rcount = pr->limit - p;
+    wcount = pw->limit - q;
+    switch (ss->record_type) {
+	case -1:		/* new record */
+	    if (rcount < 2)
+		goto out;
+	    if (p[1] != 0x80)
+		goto err;
+	    c = p[2];
+	    switch (c) {
+		case 1:
+		case 2:
+		    break;
+		case 3:
+		    status = EOFC;
+		    p += 2;
+		    goto out;
+		default:
+		    p += 2;
+		    goto err;
+	    }
+	    if (rcount < 6)
+		goto out;
+	    ss->record_type = c;
+	    ss->record_left = p[3] + ((uint) p[4] << 8) +
+		((ulong) p[5] << 16) +
+		((ulong) p[6] << 24);
+	    p += 6;
+	    goto top;
+	case 1:		/* text data */
+	    /* Translate \r to \n. */
+	    {
+		int count = (wcount < rcount ? (status = 1, wcount) : rcount);
+
+		if (count > ss->record_left)
+		    count = ss->record_left,
+			status = 0;
+		ss->record_left -= count;
+		for (; count != 0; count--) {
+		    c = *++p;
+		    *++q = (c == '\r' ? '\n' : c);
+		}
+	    }
+	    break;
+	case 2:		/* binary data */
+	    if (ss->binary_to_hex) {
+		/* Translate binary to hex. */
+		int count;
+		const char *const hex_digits = "0123456789abcdef";
+
+		wcount >>= 1;	/* 2 chars per input byte */
+		count = (wcount < rcount ? (status = 1, wcount) : rcount);
+		if (count > ss->record_left)
+		    count = ss->record_left,
+			status = 0;
+		ss->record_left -= count;
+		for (; count != 0; count--) {
+		    c = *++p;
+		    q[1] = hex_digits[c >> 4];
+		    q[2] = hex_digits[c & 0xf];
+		    q += 2;
+		}
+	    } else {		/* Just read binary data. */
+		int count = (wcount < rcount ? (status = 1, wcount) : rcount);
+
+		if (count > ss->record_left)
+		    count = ss->record_left,
+			status = 0;
+		ss->record_left -= count;
+		memcpy(q + 1, p + 1, count);
+		p += count;
+		q += count;
+	    }
+	    break;
+    }
+    if (ss->record_left == 0) {
+	ss->record_type = -1;
+	goto top;
+    }
+out:
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+err:
+    pr->ptr = p;
+    pw->ptr = q;
+    return ERRC;
+}
+
+/* Stream template */
+const stream_template s_PFBD_template = {
+    &st_PFBD_state, s_PFBD_init, s_PFBD_process, 6, 2
+};
+
+/* ------ SubFileDecode ------ */
+
+private_st_SFD_state();
+
+/* Initialize the stream */
+private int
+s_SFD_init(stream_state * st)
+{
+    stream_SFD_state *const ss = (stream_SFD_state *) st;
+
+    ss->match = 0;
+    ss->copy_count = 0;
+    return 0;
+}
+
+/* Refill the buffer */
+private int
+s_SFD_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_SFD_state *const ss = (stream_SFD_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int status = 0;
+
+    if (ss->eod.size == 0) {	/* Just read, with no EOD pattern. */
+	int rcount = rlimit - p;
+	int wcount = wlimit - q;
+	int count = min(rcount, wcount);
+
+	if (ss->count == 0)	/* no EOD limit */
+	    return stream_move(pr, pw);
+	else if (ss->count > count) {	/* not EOD yet */
+	    ss->count -= count;
+	    return stream_move(pr, pw);
+	} else {		/* We're going to reach EOD. */
+	    count = ss->count;
+	    memcpy(q + 1, p + 1, count);
+	    pr->ptr = p + count;
+	    pw->ptr = q + count;
+	    return EOFC;
+	}
+    } else {			/* Read looking for an EOD pattern. */
+	const byte *pattern = ss->eod.data;
+	uint match = ss->match;
+
+cp:
+	/* Check whether we're still copying a partial match. */
+	if (ss->copy_count) {
+	    int count = min(wlimit - q, ss->copy_count);
+
+	    memcpy(q + 1, ss->eod.data + ss->copy_ptr, count);
+	    ss->copy_count -= count;
+	    ss->copy_ptr += count;
+	    q += count;
+	    if (ss->copy_count != 0) {	/* hit wlimit */
+		status = 1;
+		goto xit;
+	    } else if (ss->count < 0) {
+		status = EOFC;
+		goto xit;
+	    }
+	}
+	while (p < rlimit) {
+	    int c = *++p;
+
+	    if (c == pattern[match]) {
+		if (++match == ss->eod.size) {
+		    switch (ss->count) {
+			case 0:
+			    status = EOFC;
+			    goto xit;
+			case 1:
+			    ss->count = -1;
+			    break;
+			default:
+			    ss->count--;
+		    }
+		    ss->copy_ptr = 0;
+		    ss->copy_count = match;
+		    match = 0;
+		    goto cp;
+		}
+		continue;
+	    }
+	    /*
+	     * No match here, back up to find the longest one.
+	     * This may be quadratic in string_size, but
+	     * we don't expect this to be a real problem.
+	     */
+	    if (match > 0) {
+		int end = match;
+
+		while (match > 0) {
+		    match--;
+		    if (!memcmp(pattern,
+				pattern + end - match,
+				match)
+			)
+			break;
+		}
+		/*
+		 * Copy the unmatched initial portion of
+		 * the EOD string to the output.
+		 */
+		p--;
+		ss->copy_ptr = 0;
+		ss->copy_count = end - match;
+		goto cp;
+	    }
+	    if (q == wlimit) {
+		p--;
+		status = 1;
+		break;
+	    }
+	    *++q = c;
+	}
+xit:	pr->ptr = p;
+	pw->ptr = q;
+	ss->match = match;
+    }
+    return status;
+}
+
+/* Stream template */
+const stream_template s_SFD_template = {
+    &st_SFD_state, s_SFD_init, s_SFD_process, 1, 1
+};
diff --git a/pstoraster/sfilter2.c b/pstoraster/sfilter2.c
new file mode 100644
index 000000000..ad9728202
--- /dev/null
+++ b/pstoraster/sfilter2.c
@@ -0,0 +1,339 @@
+/* Copyright (C) 1991, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Simple Level 2 filters */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "strimpl.h"
+#include "sa85x.h"
+#include "sbtx.h"
+#include "scanchar.h"
+
+/* ------ ASCII85Encode ------ */
+
+/* Process a buffer */
+#define LINE_LIMIT 65
+private int
+s_A85E_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    byte *qn = q + LINE_LIMIT;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int status = 0;
+    int count;
+
+    for (; (count = rlimit - p) >= 4; p += 4) {
+	ulong word =
+	    ((ulong) (((uint) p[1] << 8) + p[2]) << 16) +
+	    (((uint) p[3] << 8) + p[4]);
+
+	if (word == 0) {
+	    if (wlimit - q < 2) {
+		status = 1;
+		break;
+	    }
+	    *++q = 'z';
+	} else {
+	    ulong v4 = word / 85;	/* max 85^4 */
+	    ulong v3 = v4 / 85;	/* max 85^3 */
+	    uint v2 = v3 / 85;	/* max 85^2 */
+	    uint v1 = v2 / 85;	/* max 85 */
+
+put:	    if (wlimit - q < 6) {
+		status = 1;
+		break;
+	    }
+	    q[1] = (byte) v1 + '!';
+	    q[2] = (byte) (v2 - v1 * 85) + '!';
+	    q[3] = (byte) ((uint) v3 - v2 * 85) + '!';
+	    q[4] = (byte) ((uint) v4 - (uint) v3 * 85) + '!';
+	    q[5] = (byte) ((uint) word - (uint) v4 * 85) + '!';
+	    /*
+	     * Two consecutive '%' characters at the beginning
+	     * of the line will confuse some document managers:
+	     * insert (an) EOL(s) if necessary to prevent this.
+	     */
+	    if (q[1] == '%') {
+		if (q == pw->ptr) {
+		    /*
+		     * The very first character written is a %.
+		     * Add an EOL before it in case the last
+		     * character of the previous batch was a %.
+		     */
+		    *++q = '\n';
+		    qn = q + LINE_LIMIT;
+		    goto put;
+		}
+		if (q[2] == '%' && *q == '\n') {
+		    /*
+		     * We may have to insert more than one EOL if
+		     * there are more than two %s in a row.
+		     */
+		    int extra =
+		    (q[3] != '%' ? 1 : q[4] != '%' ? 2 :
+		     q[5] != '%' ? 3 : 4);
+
+		    if (wlimit - q < 6 + extra) {
+			status = 1;
+			break;
+		    }
+		    switch (extra) {
+			case 4:
+			    q[9] = '%', q[8] = '\n';
+			    goto e3;
+			case 3:
+			    q[8] = q[5];
+			  e3:q[7] = '%', q[6] = '\n';
+			    goto e2;
+			case 2:
+			    q[7] = q[5], q[6] = q[4];
+			  e2:q[5] = '%', q[4] = '\n';
+			    goto e1;
+			case 1:
+			    q[6] = q[5], q[5] = q[4], q[4] = q[3];
+			  e1:q[3] = '%', q[2] = '\n';
+		    }
+		    q += extra;
+		    qn = q + (5 + LINE_LIMIT);
+		}
+	    }
+	    q += 5;
+	}
+	if (q >= qn) {
+	    *++q = '\n';
+	    qn = q + LINE_LIMIT;
+	}
+    }
+    /* Check for final partial word. */
+    if (last && status == 0 && count < 4) {
+	if (wlimit - q < (count == 0 ? 2 : count + 3))
+	    status = 1;
+	else {
+	    ulong word = 0;
+	    ulong divisor = 85L * 85 * 85 * 85;
+
+	    switch (count) {
+		case 3:
+		    word += (uint) p[3] << 8;
+		case 2:
+		    word += (ulong) p[2] << 16;
+		case 1:
+		    word += (ulong) p[1] << 24;
+		    p += count;
+		    while (count-- >= 0) {
+			ulong v = word / divisor;	/* actually only a byte */
+
+			*++q = (byte) v + '!';
+			word -= v * divisor;
+			divisor /= 85;
+		    }
+		    /*case 0: */
+	    }
+	    *++q = '~';
+	    *++q = '>';
+	}
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+#undef LINE_LIMIT
+
+/* Stream template */
+const stream_template s_A85E_template = {
+    &st_stream_state, NULL, s_A85E_process, 4, 6
+};
+
+/* ------ ASCII85Decode ------ */
+
+private_st_A85D_state();
+
+/* Initialize the state */
+private int
+s_A85D_init(stream_state * st)
+{
+    stream_A85D_state *const ss = (stream_A85D_state *) st;
+
+    return s_A85D_init_inline(ss);
+}
+
+/* Process a buffer */
+private int a85d_finish(P3(int, ulong, stream_cursor_write *));
+private int
+s_A85D_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_A85D_state *const ss = (stream_A85D_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int ccount = ss->odd;
+    ulong word = ss->word;
+    int status = 0;
+
+    while (p < rlimit) {
+	int ch = *++p;
+	uint ccode = ch - '!';
+
+	if (ccode < 85) {	/* catches ch < '!' as well */
+	    if (wlimit - q < 4) {
+		p--;
+		status = 1;
+		break;
+	    }
+	    word = word * 85 + ccode;
+	    if (++ccount == 5) {
+		q[1] = (byte) (word >> 24);
+		q[2] = (byte) (word >> 16);
+		q[3] = (byte) ((uint) word >> 8);
+		q[4] = (byte) word;
+		q += 4;
+		word = 0;
+		ccount = 0;
+	    }
+	} else if (ch == 'z' && ccount == 0) {
+	    if (wlimit - q < 4) {
+		p--;
+		status = 1;
+		break;
+	    }
+	    q[1] = q[2] = q[3] = q[4] = 0,
+		q += 4;
+	} else if (scan_char_decoder[ch] == ctype_space)
+	    DO_NOTHING;
+	else if (ch == '~') {
+	    /* Handle odd bytes. */
+	    if (p == rlimit) {
+		if (last)
+		    status = ERRC;
+		else
+		    p--;
+		break;
+	    }
+	    if ((int)(wlimit - q) < ccount - 1) {
+		status = 1;
+		p--;
+		break;
+	    }
+	    if (*++p != '>') {
+		status = ERRC;
+		break;
+	    }
+	    pw->ptr = q;
+	    status = a85d_finish(ccount, word, pw);
+	    q = pw->ptr;
+	    break;
+	} else {		/* syntax error or exception */
+	    status = ERRC;
+	    break;
+	}
+    }
+    pw->ptr = q;
+    if (status == 0 && last) {
+	if ((int)(wlimit - q) < ccount - 1)
+	    status = 1;
+	else
+	    status = a85d_finish(ccount, word, pw);
+    }
+    pr->ptr = p;
+    ss->odd = ccount;
+    ss->word = word;
+    return status;
+}
+/* Handle the end of input data. */
+private int
+a85d_finish(int ccount, ulong word, stream_cursor_write * pw)
+{
+    /* Assume there is enough room in the output buffer! */
+    byte *q = pw->ptr;
+    int status = EOFC;
+
+    switch (ccount) {
+	case 0:
+	    break;
+	case 1:		/* syntax error */
+	    status = ERRC;
+	    break;
+	case 2:		/* 1 odd byte */
+	    word = word * (85L * 85 * 85) + 0xffffffL;
+	    goto o1;
+	case 3:		/* 2 odd bytes */
+	    word = word * (85L * 85) + 0xffffL;
+	    goto o2;
+	case 4:		/* 3 odd bytes */
+	    word = word * 85 + 0xffL;
+	    q[3] = (byte) (word >> 8);
+o2:	    q[2] = (byte) (word >> 16);
+o1:	    q[1] = (byte) (word >> 24);
+	    q += ccount - 1;
+	    pw->ptr = q;
+    }
+    return status;
+}
+
+/* Stream template */
+const stream_template s_A85D_template = {
+    &st_A85D_state, s_A85D_init, s_A85D_process, 2, 4
+};
+
+/* ------ ByteTranslateEncode/Decode ------ */
+
+private_st_BT_state();
+
+/* Process a buffer.  Note that the same code serves for both streams. */
+private int
+s_BT_process(stream_state * st, stream_cursor_read * pr,
+	     stream_cursor_write * pw, bool last)
+{
+    stream_BT_state *const ss = (stream_BT_state *) st;
+    const byte *p = pr->ptr;
+    byte *q = pw->ptr;
+    uint rcount = pr->limit - p;
+    uint wcount = pw->limit - q;
+    uint count;
+    int status;
+
+    if (rcount <= wcount)
+	count = rcount, status = 0;
+    else
+	count = wcount, status = 1;
+    while (count--)
+	*++q = ss->table[*++p];
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_BTE_template = {
+    &st_BT_state, NULL, s_BT_process, 1, 1
+};
+const stream_template s_BTD_template = {
+    &st_BT_state, NULL, s_BT_process, 1, 1
+};
diff --git a/pstoraster/sfxstdio.c b/pstoraster/sfxstdio.c
new file mode 100644
index 000000000..455d80c1d
--- /dev/null
+++ b/pstoraster/sfxstdio.c
@@ -0,0 +1,269 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* File stream implementation using stdio */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "gdebug.h"
+#include "gpcheck.h"
+#include "stream.h"
+#include "strimpl.h"
+
+/* Forward references for file stream procedures */
+private int
+    s_file_available(P2(stream *, long *)),
+    s_file_read_seek(P2(stream *, long)),
+    s_file_read_close(P1(stream *)),
+    s_file_read_process(P4(stream_state *, stream_cursor_read *,
+			   stream_cursor_write *, bool));
+private int
+    s_file_write_seek(P2(stream *, long)),
+    s_file_write_flush(P1(stream *)),
+    s_file_write_close(P1(stream *)),
+    s_file_write_process(P4(stream_state *, stream_cursor_read *,
+			    stream_cursor_write *, bool));
+private int
+    s_file_switch(P2(stream *, bool));
+
+/* ------ File streams ------ */
+
+/* Initialize a stream for reading an OS file. */
+void
+sread_file(register stream * s, FILE * file, byte * buf, uint len)
+{
+    static const stream_procs p = {
+	s_file_available, s_file_read_seek, s_std_read_reset,
+	s_std_read_flush, s_file_read_close, s_file_read_process,
+	s_file_switch
+    };
+    /*
+     * There is no really portable way to test seekability, but this should
+     * work on most systems.  Note that if our probe sets the ferror bit for
+     * the stream, we have to clear it again to avoid trouble later.
+     */
+    int had_error = ferror(file);
+    long curpos = ftell(file);
+    bool seekable = (curpos != -1L && fseek(file, curpos, SEEK_SET) == 0);
+
+    if (!had_error)
+	clearerr(file);
+    s_std_init(s, buf, len, &p,
+	       (seekable ? s_mode_read + s_mode_seek : s_mode_read));
+    if_debug1('s', "[s]read file=0x%lx\n", (ulong) file);
+    s->file = file;
+    s->file_modes = s->modes;
+}
+/* Procedures for reading from a file */
+private int
+s_file_available(register stream * s, long *pl)
+{
+    *pl = sbufavailable(s);
+    if (sseekable(s)) {
+	long pos, end;
+
+	pos = ftell(s->file);
+	if (fseek(s->file, 0L, SEEK_END))
+	    return ERRC;
+	end = ftell(s->file);
+	if (fseek(s->file, pos, SEEK_SET))
+	    return ERRC;
+	*pl += end - pos;
+	if (*pl == 0)
+	    *pl = -1;		/* EOF */
+    } else {
+	if (*pl == 0 && feof(s->file))
+	    *pl = -1;		/* EOF */
+    }
+    return 0;
+}
+private int
+s_file_read_seek(register stream * s, long pos)
+{
+    uint end = s->srlimit - s->cbuf + 1;
+    long offset = pos - s->position;
+
+    if (offset >= 0 && offset <= end) {  /* Staying within the same buffer */
+	s->srptr = s->cbuf + offset - 1;
+	return 0;
+    }
+    if (fseek(s->file, pos, SEEK_SET) != 0)
+	return ERRC;
+    s->srptr = s->srlimit = s->cbuf - 1;
+    s->end_status = 0;
+    s->position = pos;
+    return 0;
+}
+private int
+s_file_read_close(stream * s)
+{
+    FILE *file = s->file;
+
+    if (file != 0) {
+	s->file = 0;
+	return fclose(file);
+    }
+    return 0;
+}
+
+/* Initialize a stream for writing an OS file. */
+void
+swrite_file(register stream * s, FILE * file, byte * buf, uint len)
+{
+    static const stream_procs p = {
+	s_std_noavailable, s_file_write_seek, s_std_write_reset,
+	s_file_write_flush, s_file_write_close, s_file_write_process,
+	s_file_switch
+    };
+
+    s_std_init(s, buf, len, &p,
+	       (file == stdout ? s_mode_write : s_mode_write + s_mode_seek));
+    if_debug1('s', "[s]write file=0x%lx\n", (ulong) file);
+    s->file = file;
+    s->file_modes = s->modes;
+}
+/* Initialize for appending to an OS file. */
+void
+sappend_file(register stream * s, FILE * file, byte * buf, uint len)
+{
+    swrite_file(s, file, buf, len);
+    s->modes = s_mode_write + s_mode_append;	/* no seek */
+    s->file_modes = s->modes;
+    fseek(file, 0L, SEEK_END);
+    s->position = ftell(file);
+}
+/* Procedures for writing on a file */
+private int
+s_file_write_seek(stream * s, long pos)
+{
+    /* We must flush the buffer to reposition. */
+    int code = sflush(s);
+
+    if (code < 0)
+	return code;
+    if (fseek(s->file, pos, SEEK_SET) != 0)
+	return ERRC;
+    s->position = pos;
+    return 0;
+}
+private int
+s_file_write_flush(register stream * s)
+{
+    int result = s_process_write_buf(s, false);
+
+    fflush(s->file);
+    return result;
+}
+private int
+s_file_write_close(register stream * s)
+{
+    s_process_write_buf(s, true);
+    return s_file_read_close(s);
+}
+
+/*
+ * Process a buffer for a file reading stream.
+ * This is the first stream in the pipeline, so pr is irrelevant.
+ */
+private int
+s_file_read_process(stream_state * st, stream_cursor_read * ignore_pr,
+		    stream_cursor_write * pw, bool last)
+{
+    FILE *file = ((stream *) st)->file;
+    int count = fread(pw->ptr + 1, 1, (uint) (pw->limit - pw->ptr), file);
+
+    if (count < 0)
+	count = 0;
+    pw->ptr += count;
+    process_interrupts();
+    return (ferror(file) ? ERRC : feof(file) ? EOFC : 1);
+}
+
+/*
+ * Process a buffer for a file writing stream.
+ * This is the last stream in the pipeline, so pw is irrelevant.
+ */
+private int
+s_file_write_process(stream_state * st, stream_cursor_read * pr,
+		     stream_cursor_write * ignore_pw, bool last)
+{
+    uint count = pr->limit - pr->ptr;
+
+    /*
+     * The DEC C library on AXP architectures gives an error on
+     * fwrite if the count is zero!
+     */
+    if (count != 0) {
+	FILE *file = ((stream *) st)->file;
+	int written = fwrite(pr->ptr + 1, 1, count, file);
+
+	if (written < 0)
+	    written = 0;
+	pr->ptr += written;
+	process_interrupts();
+	return (ferror(file) ? ERRC : 0);
+    } else {
+	process_interrupts();
+	return 0;
+    }
+}
+
+/* Switch a file stream to reading or writing. */
+private int
+s_file_switch(stream * s, bool writing)
+{
+    uint modes = s->file_modes;
+    FILE *file = s->file;
+    long pos;
+
+    if (writing) {
+	if (!(s->file_modes & s_mode_write))
+	    return ERRC;
+	pos = stell(s);
+	if_debug2('s', "[s]switch 0x%lx to write at %ld\n",
+		  (ulong) s, pos);
+	fseek(file, pos, SEEK_SET);
+	if (modes & s_mode_append) {
+	    sappend_file(s, file, s->cbuf, s->cbsize);	/* sets position */
+	} else {
+	    swrite_file(s, file, s->cbuf, s->cbsize);
+	    s->position = pos;
+	}
+	s->modes = modes;
+    } else {
+	if (!(s->file_modes & s_mode_read))
+	    return ERRC;
+	pos = stell(s);
+	if_debug2('s', "[s]switch 0x%lx to read at %ld\n",
+		  (ulong) s, pos);
+	if (sflush(s) < 0)
+	    return ERRC;
+	fseek(file, 0L, SEEK_CUR);	/* pacify C library */
+	sread_file(s, file, s->cbuf, s->cbsize);
+	s->modes |= modes & s_mode_append;	/* don't lose append info */
+	s->position = pos;
+    }
+    s->file_modes = modes;
+    return 0;
+}
diff --git a/pstoraster/shc.c b/pstoraster/shc.c
new file mode 100644
index 000000000..6c745b0f6
--- /dev/null
+++ b/pstoraster/shc.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 1992, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Support code for shc.h */
+#include "std.h"
+#include "scommon.h"
+#include "shc.h"
+
+/* ------ Encoding ------ */
+
+/* Empty the 1-word buffer onto the output stream. */
+/* q has already been incremented. */
+void
+hc_put_code_proc(bool reverse_bits, byte * q, uint cw)
+{
+#define cb(n) ((byte)(cw >> (n * 8)))
+    if (reverse_bits) {
+#if hc_bits_size > 16
+	q[-3] = byte_reverse_bits[cb(3)];
+	q[-2] = byte_reverse_bits[cb(2)];
+#endif
+	q[-1] = byte_reverse_bits[cb(1)];
+	q[0] = byte_reverse_bits[cb(0)];
+    } else {
+#if hc_bits_size > 16
+	q[-3] = cb(3);
+	q[-2] = cb(2);
+#endif
+	q[-1] = cb(1);
+	q[0] = cb(0);
+    }
+#undef cb
+}
+
+/* Put out any final bytes. */
+/* Note that this does a store_state, but not a load_state. */
+byte *
+hc_put_last_bits_proc(stream_hc_state * ss, byte * q, uint bits, int bits_left)
+{
+    while (bits_left < hc_bits_size) {
+	byte c = (byte) (bits >> (hc_bits_size - 8));
+
+	if (ss->FirstBitLowOrder)
+	    c = byte_reverse_bits[c];
+	*++q = c;
+	bits <<= 8;
+	bits_left += 8;
+    }
+    ss->bits = bits;
+    ss->bits_left = bits_left;
+    return q;
+}
diff --git a/pstoraster/shc.h b/pstoraster/shc.h
new file mode 100644
index 000000000..81aa300b8
--- /dev/null
+++ b/pstoraster/shc.h
@@ -0,0 +1,254 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common definitions for filters using Huffman coding */
+
+#ifndef shc_INCLUDED
+#  define shc_INCLUDED
+
+#include "gsbittab.h"
+#include "scommon.h"
+
+/*
+ * These definitions are valid for code lengths up to 16 bits
+ * and non-negative decoded values up to 15 bits.
+ *
+ * We define 3 different representations of the code: encoding tables,
+ * decoding tables, and a definition table which can be generated easily
+ * from frequency information and which in turn can easily generate
+ * the encoding and decoding tables.
+ *
+ * The definition table has two parts: a list of the number of i-bit
+ * codes for each i >= 1, and the decoded values corresponding to
+ * the code values in increasing lexicographic order (which will also
+ * normally be decreasing code frequency).  Calling these two lists
+ * L[1..M] and V[0..N-1] respectively, we have the following invariants:
+ *      - 1 <= M <= max_hc_length, N >= 2.
+ *      - L[0] = 0.
+ *      - for i=1..M, L[i] >= 0.
+ *      - sum(i=1..M: L[i]) = N.
+ *      - sum(i=1..M: L[i] * 2^-i) = 1.
+ *      - V[0..N-1] are a permutation of the integers 0..N-1.
+ */
+#define max_hc_length 16
+typedef struct hc_definition_s {
+    ushort *counts;		/* [0..M] */
+    uint num_counts;		/* M */
+    ushort *values;		/* [0..N-1] */
+    uint num_values;		/* N */
+} hc_definition;
+
+/* ------ Common state ------ */
+
+/*
+ * Define the common stream state for Huffman-coded filters.
+ * Invariants when writing:
+ *      0 <= bits_left <= hc_bits_size;
+ *      Only the leftmost (hc_bits_size - bits_left) bits of bits
+ *        contain valid data.
+ */
+#define stream_hc_state_common\
+	stream_state_common;\
+		/* The client sets the following before initialization. */\
+	bool FirstBitLowOrder;\
+		/* The following are updated dynamically. */\
+	uint bits;		/* most recent bits of input or */\
+				/* current bits of output */\
+	int bits_left		/* # of valid low bits (input) or */\
+				/* unused low bits (output) in above, */\
+				/* 0 <= bits_left <= 7 */
+typedef struct stream_hc_state_s {
+    stream_hc_state_common;
+} stream_hc_state;
+
+#define hc_bits_size (arch_sizeof_int * 8)
+#define s_hce_init_inline(ss)\
+  ((ss)->bits = 0, (ss)->bits_left = hc_bits_size)
+#define s_hcd_init_inline(ss)\
+  ((ss)->bits = 0, (ss)->bits_left = 0)
+
+/* ------ Encoding tables ------ */
+
+/* Define the structure for the encoding tables. */
+typedef struct hce_code_s {
+    ushort code;
+    ushort code_length;
+} hce_code;
+
+#define hce_entry(c, len) { c, len }
+
+typedef struct hce_table_s {
+    uint count;
+    hce_code *codes;
+} hce_table;
+
+#define hce_bits_available(n)\
+  (ss->bits_left >= (n) || wlimit - q > ((n) - ss->bits_left - 1) >> 3)
+
+/* ------ Encoding utilities ------ */
+
+/*
+ * Put a code on the output.  The client is responsible for ensuring
+ * that q does not exceed pw->limit.
+ */
+
+#ifdef DEBUG
+#  define hc_print_value(code, clen)\
+    (gs_debug_c('W') ?\
+     (dlprintf2("[W]0x%x,%d\n", code, clen), 0) : 0)
+#  define hc_print_value_then(code, clen) hc_print_value(code, clen),
+#else
+#  define hc_print_value(code, clen) 0
+#  define hc_print_value_then(code, clen)	/* */
+#endif
+#define hc_print_code(rp) hc_print_value((rp)->code, (rp)->code_length)
+
+/* Declare variables that hold the encoder state. */
+#define hce_declare_state\
+	register uint bits;\
+	register int bits_left
+
+/* Load the state from the stream. */
+/* Free variables: ss, bits, bits_left. */
+#define hce_load_state()\
+	bits = ss->bits, bits_left = ss->bits_left
+
+/* Store the state back in the stream. */
+/* Free variables: ss, bits, bits_left. */
+#define hce_store_state()\
+	ss->bits = bits, ss->bits_left = bits_left
+
+/* Put a code on the stream. */
+void hc_put_code_proc(P3(bool, byte *, uint));
+
+#define hc_put_value(ss, q, code, clen)\
+  (hc_print_value_then(code, clen)\
+   ((bits_left -= (clen)) >= 0 ?\
+    (bits += (code) << bits_left) :\
+    (hc_put_code_proc((ss)->FirstBitLowOrder,\
+		      q += hc_bits_size >> 3,\
+		      (bits + ((code) >> -bits_left))),\
+     bits = (code) << (bits_left += hc_bits_size))))
+#define hc_put_code(ss, q, cp)\
+  hc_put_value(ss, q, (cp)->code, (cp)->code_length)
+
+/*
+ * Force out the final bits to the output.
+ * Note that this does a store_state, but not a load_state.
+ */
+byte *hc_put_last_bits_proc(P4(stream_hc_state *, byte *, uint, int));
+
+#define hc_put_last_bits(ss, q)\
+  hc_put_last_bits_proc(ss, q, bits, bits_left)
+
+/* ------ Decoding tables ------ */
+
+/*
+ * Define the structure for the decoding tables.
+ * First-level nodes are either leaves, which have
+ *      value = decoded value
+ *      code_length <= initial_bits
+ * or non-leaves, which have
+ *      value = the index of a sub-table
+ *      code_length = initial_bits + the number of additional dispatch bits
+ * Second-level nodes are always leaves, with
+ *      code_length = the actual number of bits in the code - initial_bits.
+ */
+
+typedef struct hcd_code_s {
+    short value;
+    ushort code_length;
+} hcd_code;
+
+typedef struct hcd_table_s {
+    uint count;
+    uint initial_bits;
+    hcd_code *codes;
+} hcd_table;
+
+/* Declare variables that hold the decoder state. */
+#define hcd_declare_state\
+	register const byte *p;\
+	const byte *rlimit;\
+	uint bits;\
+	int bits_left
+
+/* Load the state from the stream. */
+/* Free variables: pr, ss, p, rlimit, bits, bits_left. */
+#define hcd_load_state()\
+	p = pr->ptr,\
+	rlimit = pr->limit,\
+	bits = ss->bits,\
+	bits_left = ss->bits_left
+
+/* Store the state back in the stream. */
+/* Put back any complete bytes into the input buffer. */
+/* Free variables: pr, ss, p, bits, bits_left. */
+#define hcd_store_state()\
+	pr->ptr = p -= (bits_left >> 3),\
+	ss->bits = bits >>= (bits_left & ~7),\
+	ss->bits_left = bits_left &= 7
+
+/* Macros to get blocks of bits from the input stream. */
+/* Invariants: 0 <= bits_left <= bits_size; */
+/* bits [bits_left-1..0] contain valid data. */
+
+#define hcd_bits_available(n)\
+  (bits_left >= (n) || rlimit - p > ((n) - bits_left - 1) >> 3)
+/* For hcd_ensure_bits, n must not be greater than 8. */
+#define hcd_ensure_bits(n, outl)\
+  if ( bits_left < n ) hcd_more_bits(outl)
+
+/* Load more bits into the buffer. */
+#define hcd_more_bits_1(outl)\
+  { int c;\
+    if ( p < rlimit ) c = *++p;\
+    else goto outl;\
+    if ( ss->FirstBitLowOrder ) c = byte_reverse_bits[c];\
+    bits = (bits << 8) + c, bits_left += 8;\
+  }
+#if hc_bits_size == 16
+#  define hcd_more_bits(outl) hcd_more_bits_1(outl)
+#else /* hc_bits_size >= 32 */
+#  define hcd_more_bits(outl)\
+  { if ( rlimit - p < 3 ) hcd_more_bits_1(outl)\
+    else\
+    { if ( ss->FirstBitLowOrder )\
+	bits = (bits << 24) + ((uint)byte_reverse_bits[p[1]] << 16) + ((uint)byte_reverse_bits[p[2]] << 8) + byte_reverse_bits[p[3]];\
+      else\
+	bits = (bits << 24) + ((uint)p[1] << 16) + ((uint)p[2] << 8) + p[3];\
+      bits_left += 24, p += 3;\
+    }\
+  }
+#endif
+
+#define hcd_peek_bits(n) ((bits >> (bits_left - (n))) & ((1 << (n)) - 1))
+
+#define hcd_peek_var_bits(n)\
+  ((bits >> (bits_left - (n))) & byte_right_mask[n])
+
+#define hcd_skip_bits(n) (bits_left -= (n))
+
+#endif /* shc_INCLUDED */
diff --git a/pstoraster/shcgen.c b/pstoraster/shcgen.c
new file mode 100644
index 000000000..cdcd957c1
--- /dev/null
+++ b/pstoraster/shcgen.c
@@ -0,0 +1,491 @@
+/* Copyright (C) 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generate (bounded) Huffman code definitions from frequencies, */
+/* and tables from definitions. */
+#include "memory_.h"
+#include "stdio_.h"
+#include <stdlib.h>		/* for qsort */
+#include "gdebug.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gsmemory.h"
+#include "scommon.h"
+#include "shc.h"
+#include "shcgen.h"
+
+/* ------ Frequency -> definition procedure ------ */
+
+/* Define a node for the Huffman code tree. */
+typedef struct count_node_s count_node;
+struct count_node_s {
+    long freq;			/* frequency of value */
+    uint value;			/* data value being encoded */
+    uint code_length;		/* length of Huffman code */
+    count_node *next;		/* next node in freq-sorted list */
+    count_node *left;		/* left child in tree (smaller code_length) */
+    count_node *right;		/* right child in tree (greater code_length) */
+};
+
+#ifdef DEBUG
+#  define debug_print_nodes(nodes, n, tag, lengths)\
+     if ( gs_debug_c('W') ) print_nodes_proc(nodes, n, tag, lengths);
+private void
+print_nodes_proc(const count_node * nodes, int n, const char *tag, int lengths)
+{
+    int i;
+
+    dlprintf1("[w]---------------- %s ----------------\n", tag);
+    for (i = 0; i < n; ++i)
+	dlprintf7("[w]node %d: f=%ld v=%d len=%d N=%d L=%d R=%d\n",
+		  i, nodes[i].freq, nodes[i].value, nodes[i].code_length,
+		  (nodes[i].next == 0 ? -1 : (int)(nodes[i].next - nodes)),
+		  (nodes[i].left == 0 ? -1 : (int)(nodes[i].left - nodes)),
+		(nodes[i].right == 0 ? -1 : (int)(nodes[i].right - nodes)));
+    for (i = lengths; i > 0;) {
+	int j = i;
+	int len = nodes[--j].code_length;
+
+	while (j > 0 && nodes[j - 1].code_length == len)
+	    --j;
+	dlprintf2("[w]%d codes of length %d\n", i - j, len);
+	i = j;
+    }
+}
+#else
+#  define debug_print_nodes(nodes, n, tag, lengths) DO_NOTHING
+#endif
+
+/* Node comparison procedures for sorting. */
+#define pn1 ((const count_node *)p1)
+#define pn2 ((const count_node *)p2)
+/* Sort by decreasing frequency. */
+private int
+compare_freqs(const void *p1, const void *p2)
+{
+    long diff = pn2->freq - pn1->freq;
+
+    return (diff < 0 ? -1 : diff > 0 ? 1 : 0);
+}
+/* Sort by increasing code length, and secondarily by decreasing frequency. */
+private int
+compare_code_lengths(const void *p1, const void *p2)
+{
+    int diff = pn1->code_length - pn2->code_length;
+
+    return (diff < 0 ? -1 : diff > 0 ? 1 : compare_freqs(p1, p2));
+}
+/* Sort by increasing code value. */
+private int
+compare_values(const void *p1, const void *p2)
+{
+    return (pn1->value < pn2->value ? -1 :
+	    pn1->value > pn2->value ? 1 : 0);
+}
+#undef pn1
+#undef pn2
+
+/* Adjust code lengths so that none of them exceeds max_length. */
+/* We break this out just to help organize the code; it's only called */
+/* from one place in hc_compute. */
+private void
+hc_limit_code_lengths(count_node * nodes, uint num_values, int max_length)
+{
+    int needed;			/* # of max_length codes we need to free up */
+    count_node *longest = nodes + num_values;
+
+    {				/* Compute the number of additional max_length codes */
+	/* we need to make available. */
+	int length = longest[-1].code_length;
+	int next_length;
+	int avail = 0;
+
+	while ((next_length = longest[-1].code_length) > max_length) {
+	    avail >>= length - next_length;
+	    length = next_length;
+	    (--longest)->code_length = max_length;
+	    ++avail;
+	}
+	needed = (nodes + num_values - longest) -
+	    (avail >>= (length - max_length));
+	if_debug2('W', "[w]avail=%d, needed=%d\n",
+		  avail, needed);
+    }
+    /* Skip over all max_length codes. */
+    while (longest[-1].code_length == max_length)
+	--longest;
+
+    /*
+     * To make available a code of length N, suppose that the next
+     * shortest used code is of length M.
+     * We take the lowest-frequency code of length M and change it
+     * to M+1; we then have to compensate by reducing the length of
+     * some of the highest-frequency codes of length N, as follows:
+     *       M      new lengths for codes of length N
+     *      ---     -----------
+     *      N-1     (none)
+     *      N-2     N-1
+     *      <N-2    M+2, M+2, N-1
+     * In the present situation, N = max_length.
+     */
+    for (; needed > 0; --needed) {	/* longest points to the first code of length max_length. */
+	/* Since codes are sorted by increasing code length, */
+	/* longest-1 is the desired code of length M. */
+	int M1 = ++(longest[-1].code_length);
+
+	switch (max_length - M1) {
+	    case 0:		/* M == N-1 */
+		--longest;
+		break;
+	    case 1:		/* M == N-2 */
+		longest++->code_length = M1;
+		break;
+	    default:
+		longest->code_length = M1 + 1;
+		longest[1].code_length = M1 + 1;
+		longest[2].code_length--;
+		longest += 3;
+	}
+    }
+}
+
+/* Compute an optimal Huffman code from an input data set. */
+/* The client must have set all the elements of *def. */
+int
+hc_compute(hc_definition * def, const long *freqs, gs_memory_t * mem)
+{
+    uint num_values = def->num_values;
+    count_node *nodes =
+    (count_node *) gs_alloc_byte_array(mem, num_values * 2 - 1,
+				       sizeof(count_node), "hc_compute");
+    int i;
+    count_node *lowest;
+    count_node *comb;
+
+    if (nodes == 0)
+	return_error(gs_error_VMerror);
+
+    /* Create leaf nodes for the input data. */
+    for (i = 0; i < num_values; ++i)
+	nodes[i].freq = freqs[i], nodes[i].value = i;
+
+    /* Create a list sorted by increasing frequency. */
+    /* Also initialize the tree structure. */
+    qsort(nodes, num_values, sizeof(count_node), compare_freqs);
+    for (i = 0; i < num_values; ++i)
+	nodes[i].next = &nodes[i - 1],
+	    nodes[i].code_length = 0,
+	    nodes[i].left = nodes[i].right = 0;
+    nodes[0].next = 0;
+    debug_print_nodes(nodes, num_values, "after sort", 0);
+
+    /* Construct the Huffman code tree. */
+    for (lowest = &nodes[num_values - 1], comb = &nodes[num_values];;
+	 ++comb
+	) {
+	count_node *pn1 = lowest;
+	count_node *pn2 = pn1->next;
+	long freq = pn1->freq + pn2->freq;
+
+	/* Create a parent for the two lowest-frequency nodes. */
+	lowest = pn2->next;
+	comb->freq = freq;
+	if (pn1->code_length <= pn2->code_length)
+	    comb->left = pn1, comb->right = pn2,
+		comb->code_length = pn2->code_length + 1;
+	else
+	    comb->left = pn2, comb->right = pn1,
+		comb->code_length = pn1->code_length + 1;
+	if (lowest == 0)	/* no nodes left to combine */
+	    break;
+	/* Insert comb in the sorted list. */
+	if (freq < lowest->freq)
+	    comb->next = lowest, lowest = comb;
+	else {
+	    count_node *here = lowest;
+
+	    while (here->next != 0 && freq >= here->next->freq)
+		here = here->next;
+	    comb->next = here->next;
+	    here->next = comb;
+	}
+    }
+
+    /* comb (i.e., &nodes[num_values * 2 - 2] is the root of the tree. */
+    /* Note that the left and right children of an interior node */
+    /* were constructed before, and therefore have lower indices */
+    /* in the nodes array than, the parent node.  Thus we can assign */
+    /* the code lengths (node depths) in a single descending-order */
+    /* sweep. */
+    comb++->code_length = 0;
+    while (comb > nodes + num_values) {
+	--comb;
+	comb->left->code_length = comb->right->code_length =
+	    comb->code_length + 1;
+    }
+    debug_print_nodes(nodes, num_values * 2 - 1, "after combine", 0);
+
+    /* Sort the leaves again by code length. */
+    qsort(nodes, num_values, sizeof(count_node), compare_code_lengths);
+    debug_print_nodes(nodes, num_values, "after re-sort", num_values);
+
+    /* Limit the code length to def->num_counts. */
+    hc_limit_code_lengths(nodes, num_values, def->num_counts);
+    debug_print_nodes(nodes, num_values, "after limit", num_values);
+
+    /* Sort within each code length by increasing code value. */
+    /* This doesn't affect data compression, but it makes */
+    /* the code definition itself compress better using our */
+    /* incremental encoding. */
+    for (i = num_values; i > 0;) {
+	int j = i;
+	int len = nodes[--j].code_length;
+
+	while (j > 0 && nodes[j - 1].code_length == len)
+	    --j;
+	qsort(&nodes[j], i - j, sizeof(count_node), compare_values);
+	i = j;
+    }
+
+    /* Extract the definition from the nodes. */
+    memset(def->counts, 0, sizeof(*def->counts) * (def->num_counts + 1));
+    for (i = 0; i < num_values; ++i) {
+	def->values[i] = nodes[i].value;
+	def->counts[nodes[i].code_length]++;
+    }
+
+    /* All done, release working storage. */
+    gs_free_object(mem, nodes, "hc_compute");
+    return 0;
+}
+
+/* ------ Byte string <-> definition procedures ------ */
+
+/*
+ * We define a compressed representation for (well-behaved) definitions
+ * as a byte string.  A "well-behaved" definition is one where if
+ * code values A and B have the same code length and A < B,
+ * A precedes B in the values table of the definition, and hence
+ * A's encoding lexicographically precedes B's.
+ *
+ * The successive bytes in the compressed string  give the code lengths for
+ * runs of decoded values, in the form nnnnllll where nnnn is the number of
+ * consecutive values -1 and llll is the code length -1.
+ */
+
+/* Convert a definition to a byte string. */
+/* The caller must provide the byte string, of length def->num_values. */
+/* Assume (do not check) that the definition is well-behaved. */
+/* Return the actual length of the string. */
+int
+hc_bytes_from_definition(byte * dbytes, const hc_definition * def)
+{
+    int i, j;
+    byte *bp = dbytes;
+    const byte *lp = dbytes;
+    const byte *end = dbytes + def->num_values;
+    const ushort *values = def->values;
+
+    /* Temporarily use the output string as a map from */
+    /* values to code lengths. */
+    for (i = 1; i <= def->num_counts; i++)
+	for (j = 0; j < def->counts[i]; j++)
+	    bp[*values++] = i;
+
+    /* Now construct the actual string. */
+    while (lp < end) {
+	const byte *vp;
+	byte len = *lp;
+
+	for (vp = lp + 1; vp < end && vp < lp + 16 && *vp == len;)
+	    vp++;
+	*bp++ = ((vp - lp - 1) << 4) + (len - 1);
+	lp = vp;
+    }
+
+    return bp - dbytes;
+}
+
+/* Extract num_counts and num_values from a byte string. */
+void
+hc_sizes_from_bytes(hc_definition * def, const byte * dbytes, int num_bytes)
+{
+    uint num_counts = 0, num_values = 0;
+    int i;
+
+    for (i = 0; i < num_bytes; i++) {
+	int n = (dbytes[i] >> 4) + 1;
+	int l = (dbytes[i] & 15) + 1;
+
+	if (l > num_counts)
+	    num_counts = l;
+	num_values += n;
+    }
+    def->num_counts = num_counts;
+    def->num_values = num_values;
+}
+
+/* Convert a byte string back to a definition. */
+/* The caller must initialize *def, including allocating counts and values. */
+void
+hc_definition_from_bytes(hc_definition * def, const byte * dbytes)
+{
+    int v, i;
+    ushort counts[max_hc_length + 1];
+
+    /* Make a first pass to set the counts for each code length. */
+    memset(counts, 0, sizeof(counts[0]) * (def->num_counts + 1));
+    for (i = 0, v = 0; v < def->num_values; i++) {
+	int n = (dbytes[i] >> 4) + 1;
+	int l = (dbytes[i] & 15) + 1;
+
+	counts[l] += n;
+	v += n;
+    }
+
+    /* Now fill in the definition. */
+    memcpy(def->counts, counts, sizeof(counts[0]) * (def->num_counts + 1));
+    for (i = 1, v = 0; i <= def->num_counts; i++) {
+	uint prev = counts[i];
+
+	counts[i] = v;
+	v += prev;
+    }
+    for (i = 0, v = 0; v < def->num_values; i++) {
+	int n = (dbytes[i] >> 4) + 1;
+	int l = (dbytes[i] & 15) + 1;
+	int j;
+
+	for (j = 0; j < n; n++)
+	    def->values[counts[l]++] = v++;
+    }
+}
+
+/* ------ Definition -> table procedures ------ */
+
+/* Generate the encoding table from the definition. */
+/* The size of the encode array is def->num_values. */
+void
+hc_make_encoding(hce_code * encode, const hc_definition * def)
+{
+    uint next = 0;
+    const ushort *pvalue = def->values;
+    uint i, k;
+
+    for (i = 1; i <= def->num_counts; i++) {
+	for (k = 0; k < def->counts[i]; k++, pvalue++, next++) {
+	    hce_code *pce = encode + *pvalue;
+
+	    pce->code = next;
+	    pce->code_length = i;
+	}
+	next <<= 1;
+    }
+}
+
+/* We decode in two steps, first indexing into a table with */
+/* a fixed number of bits from the source, and then indexing into */
+/* an auxiliary table if necessary.  (See shc.h for details.) */
+
+/* Calculate the size of the decoding table. */
+uint
+hc_sizeof_decoding(const hc_definition * def, int initial_bits)
+{
+    uint size = 1 << initial_bits;
+    uint carry = 0, mask = (uint) ~ 1;
+    uint i;
+
+    for (i = initial_bits + 1; i <= def->num_counts;
+	 i++, carry <<= 1, mask <<= 1
+	) {
+	carry += def->counts[i];
+	size += carry & mask;
+	carry &= ~mask;
+    }
+    return size;
+}
+
+/* Generate the decoding tables. */
+void
+hc_make_decoding(hcd_code * decode, const hc_definition * def,
+		 int initial_bits)
+{				/* Make entries for single-dispatch codes. */
+    {
+	hcd_code *pcd = decode;
+	const ushort *pvalue = def->values;
+	uint i, k, d;
+
+	for (i = 0; i <= initial_bits; i++) {
+	    for (k = 0; k < def->counts[i]; k++, pvalue++) {
+		for (d = 1 << (initial_bits - i); d > 0;
+		     d--, pcd++
+		    )
+		    pcd->value = *pvalue,
+			pcd->code_length = i;
+	    }
+	}
+    }
+    /* Make entries for two-dispatch codes. */
+    /* By working backward, we can do this more easily */
+    /* in a single pass. */
+    {
+	uint dsize = hc_sizeof_decoding(def, initial_bits);
+	hcd_code *pcd = decode + (1 << initial_bits);
+	hcd_code *pcd2 = decode + dsize;
+	const ushort *pvalue = def->values + def->num_values;
+	uint entries_left = 0, slots_left = 0, mult_shift = 0;
+	uint i = def->num_counts + 1, j;
+
+	for (;;) {
+	    if (slots_left == 0) {
+		if (entries_left != 0) {
+		    slots_left = 1 << (i - initial_bits);
+		    mult_shift = 0;
+		    continue;
+		}
+		if (--i <= initial_bits)
+		    break;
+		entries_left = def->counts[i];
+		continue;
+	    }
+	    if (entries_left == 0) {
+		entries_left = def->counts[--i];
+		mult_shift++;
+		continue;
+	    }
+	    --entries_left, --pvalue;
+	    for (j = 1 << mult_shift; j > 0; j--) {
+		--pcd2;
+		pcd2->value = *pvalue;
+		pcd2->code_length = i - initial_bits;
+	    }
+	    if ((slots_left -= 1 << mult_shift) == 0) {
+		--pcd;
+		pcd->value = pcd2 - decode;
+		pcd->code_length = i + mult_shift;
+	    }
+	}
+    }
+}
diff --git a/pstoraster/shcgen.h b/pstoraster/shcgen.h
new file mode 100644
index 000000000..247a4cf3d
--- /dev/null
+++ b/pstoraster/shcgen.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires shc.h */
+
+#ifndef shcgen_INCLUDED
+#  define shcgen_INCLUDED
+
+/* Compute an optimal Huffman code from an input data set. */
+/* The client must have set all the elements of *def. */
+/* The definition is guaranteed to be well-behaved. */
+int hc_compute(P3(hc_definition * def, const long *freqs, gs_memory_t * mem));
+
+/* Convert a definition to a byte string. */
+/* The caller must provide the byte string, of length def->num_values. */
+/* Assume (do not check) that the definition is well-behaved. */
+/* Return the actual length of the string. */
+int hc_bytes_from_definition(P2(byte * dbytes, const hc_definition * def));
+
+/* Extract num_counts and num_values from a byte string. */
+void hc_sizes_from_bytes(P3(hc_definition * def, const byte * dbytes, int num_bytes));
+
+/* Convert a byte string back to a definition. */
+/* The caller must initialize *def, including allocating counts and values. */
+void hc_definition_from_bytes(P2(hc_definition * def, const byte * dbytes));
+
+/* Generate the encoding table from the definition. */
+/* The size of the encode array is def->num_values. */
+void hc_make_encoding(P2(hce_code * encode, const hc_definition * def));
+
+/* Calculate the size of the decoding table. */
+uint hc_sizeof_decoding(P2(const hc_definition * def, int initial_bits));
+
+/* Generate the decoding tables. */
+void hc_make_decoding(P3(hcd_code * decode, const hc_definition * def,
+			 int initial_bits));
+
+#endif /* shcgen_INCLUDED */
diff --git a/pstoraster/siscale.c b/pstoraster/siscale.c
new file mode 100644
index 000000000..d23b2e936
--- /dev/null
+++ b/pstoraster/siscale.c
@@ -0,0 +1,498 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image scaling filters */
+#include "math_.h"
+#include "memory_.h"
+#include "stdio_.h"
+#include <assert.h>
+#include "strimpl.h"
+#include "siscale.h"
+
+/*
+ *    Image scaling code is based on public domain code from
+ *      Graphics Gems III (pp. 414-424), Academic Press, 1992.
+ */
+
+/* ---------------- ImageScaleEncode/Decode ---------------- */
+
+public_st_IScale_state();	/* public so clients can allocate */
+
+/* ------ Digital filter definition ------ */
+
+/* Mitchell filter definition */
+#define Mitchell_support 2.0
+#define B (1.0 / 3.0)
+#define C (1.0 / 3.0)
+private double
+Mitchell_filter(double t)
+{
+    double t2 = t * t;
+
+    if (t < 0)
+	t = -t;
+
+    if (t < 1)
+	return
+	    ((12 - 9 * B - 6 * C) * (t * t2) +
+	     (-18 + 12 * B + 6 * C) * t2 +
+	     (6 - 2 * B)) / 6;
+    else if (t < 2)
+	return
+	    ((-1 * B - 6 * C) * (t * t2) +
+	     (6 * B + 30 * C) * t2 +
+	     (-12 * B - 48 * C) * t +
+	     (8 * B + 24 * C)) / 6;
+    else
+	return 0;
+}
+
+#define filter_support Mitchell_support
+#define filter_proc Mitchell_filter
+#define fproc(t) filter_proc(t)
+#define fWidthIn filter_support
+
+/*
+ * The environment provides the following definitions:
+ *      typedef PixelTmp, PixelTmp2
+ *      double fproc(double t)
+ *      double fWidthIn
+ *      PixelTmp {min,max,unit}PixelTmp
+ */
+#define CLAMP(v, mn, mx)\
+  (v < mn ? mn : v > mx ? mx : v)
+
+/* ------ Auxiliary procedures ------ */
+
+/* Define the minimum scale. */
+#define min_scale ((fWidthIn * 2) / (max_support - 1.01))
+
+/* Calculate the support for a given scale. */
+/* The value is always in the range 1 .. max_support. */
+private int
+contrib_pixels(double scale)
+{
+    return (int)(fWidthIn / (scale >= 1.0 ? 1.0 : max(scale, min_scale))
+		 * 2 + 1);
+}
+
+/* Pre-calculate filter contributions for a row or a column. */
+/* Return the highest input pixel index used. */
+private int
+calculate_contrib(
+	/* Return weight list parameters in contrib[0 .. size-1]. */
+		     CLIST * contrib,
+	/* Store weights in items[0 .. contrib_pixels(scale)*size-1]. */
+	/* (Less space than this may actually be needed.) */
+		     CONTRIB * items,
+	/* The output image is scaled by 'scale' relative to the input. */
+		     double scale,
+	/* Start generating weights for input pixel 'input_index'. */
+		     int input_index,
+	/* Generate 'size' weight lists. */
+		     int size,
+	/* Limit pixel indices to 'limit', for clamping at the edges */
+	/* of the image. */
+		     int limit,
+	/* Wrap pixel indices modulo 'modulus'. */
+		     int modulus,
+	/* Successive pixel values are 'stride' distance apart -- */
+	/* normally, the number of color components. */
+		     int stride,
+	/* The unit of output is 'rescale_factor' times the unit of input. */
+		     double rescale_factor
+)
+{
+    double scaled_factor = scale_PixelWeight(rescale_factor);
+    double WidthIn, fscale;
+    bool squeeze;
+    int npixels;
+    int i, j;
+    int last_index = -1;
+
+    if (scale < 1.0) {
+	double clamped_scale = max(scale, min_scale);
+
+	WidthIn = fWidthIn / clamped_scale;
+	fscale = 1.0 / clamped_scale;
+	squeeze = true;
+    } else {
+	WidthIn = fWidthIn;
+	fscale = 1.0;
+	squeeze = false;
+    }
+    npixels = (int)(WidthIn * 2 + 1);
+
+    for (i = 0; i < size; ++i) {
+	double center = (input_index + i) / scale;
+	int left = (int)ceil(center - WidthIn);
+	int right = (int)floor(center + WidthIn);
+
+	/*
+	 * In pathological cases, the limit may be much less
+	 * than the support.  We do need to deal with this.
+	 */
+#define clamp_pixel(j)\
+  (j < 0 ? (-j >= limit ? limit - 1 : -j) :\
+   j >= limit ? (j >> 1 >= limit ? 0 : (limit - j) + limit - 1) :\
+   j)
+	int lmin =
+	(left < 0 ? 0 : left);
+	int lmax =
+	(left < 0 ? (-left >= limit ? limit - 1 : -left) : left);
+	int rmin =
+	(right >= limit ?
+	 (right >> 1 >= limit ? 0 : (limit - right) + limit - 1) :
+	 right);
+	int rmax =
+	(right >= limit ? limit - 1 : right);
+	int first_pixel = min(lmin, rmin);
+	int last_pixel = max(lmax, rmax);
+	CONTRIB *p;
+
+	if (last_pixel > last_index)
+	    last_index = last_pixel;
+	contrib[i].first_pixel = (first_pixel % modulus) * stride;
+	contrib[i].n = last_pixel - first_pixel + 1;
+	contrib[i].index = i * npixels;
+	p = items + contrib[i].index;
+	for (j = 0; j < npixels; ++j)
+	    p[j].weight = 0;
+	if (squeeze) {
+	    for (j = left; j <= right; ++j) {
+		double weight =
+		fproc((center - j) / fscale) / fscale;
+		int n = clamp_pixel(j);
+		int k = n - first_pixel;
+
+		p[k].weight +=
+		    (PixelWeight) (weight * scaled_factor);
+	    }
+	} else {
+	    for (j = left; j <= right; ++j) {
+		double weight = fproc(center - j);
+		int n = clamp_pixel(j);
+		int k = n - first_pixel;
+
+		p[k].weight +=
+		    (PixelWeight) (weight * scaled_factor);
+	    }
+	}
+    }
+    return last_index;
+}
+
+
+/* Apply filter to zoom horizontally from src to tmp. */
+private void
+zoom_x(PixelTmp * tmp, const void /*PixelIn */ *src, int sizeofPixelIn,
+       int tmp_width, int WidthIn, int Colors, const CLIST * contrib,
+       const CONTRIB * items)
+{
+    int c, i;
+
+    for (c = 0; c < Colors; ++c) {
+	PixelTmp *tp = tmp + c;
+	const CLIST *clp = contrib;
+
+#define zoom_x_loop(PixelIn, PixelIn2)\
+		const PixelIn *raster = (const PixelIn *)src + c;\
+		for ( i = 0; i < tmp_width; tp += Colors, ++clp, ++i )\
+		  {	AccumTmp weight = 0;\
+			{ int j = clp->n;\
+			  const PixelIn *pp = raster + clp->first_pixel;\
+			  const CONTRIB *cp = items + clp->index;\
+			  switch ( Colors )\
+			  {\
+			  case 1:\
+			    for ( ; j > 0; pp += 1, ++cp, --j )\
+			      weight += *pp * cp->weight;\
+			    break;\
+			  case 3:\
+			    for ( ; j > 0; pp += 3, ++cp, --j )\
+			      weight += *pp * cp->weight;\
+			    break;\
+			  default:\
+			    for ( ; j > 0; pp += Colors, ++cp, --j )\
+			      weight += *pp * cp->weight;\
+			  }\
+			}\
+			{ PixelIn2 pixel = unscale_AccumTmp(weight);\
+			  *tp =\
+			    (PixelTmp)CLAMP(pixel, minPixelTmp, maxPixelTmp);\
+			}\
+		  }
+
+	if (sizeofPixelIn == 1) {
+	    zoom_x_loop(byte, int)
+	} else {		/* sizeofPixelIn == 2 */
+#if arch_ints_are_short
+	    zoom_x_loop(bits16, long)
+#else
+	    zoom_x_loop(bits16, int)
+#endif
+	}
+    }
+} /* Apply filter to zoom vertically from tmp to dst. *//* This is simpler because we can treat all columns identically *//* without regard to the number of samples per pixel. */ private void
+zoom_y(void /*PixelOut */ *dst, int sizeofPixelOut, uint MaxValueOut,
+       const PixelTmp * tmp, int WidthOut, int tmp_width,
+       int Colors, const CLIST * contrib, const CONTRIB * items)
+{
+    int kn = WidthOut * Colors;
+    int cn = contrib->n;
+    int first_pixel = contrib->first_pixel;
+    const CONTRIB *cbp = items + contrib->index;
+    int kc;
+    PixelTmp2 max_weight = MaxValueOut;
+
+#define zoom_y_loop(PixelOut)\
+	for ( kc = 0; kc < kn; ++kc )\
+	  {	AccumTmp weight = 0;\
+		{ const PixelTmp *pp = &tmp[kc + first_pixel];\
+		  int j = cn;\
+		  const CONTRIB *cp = cbp;\
+		  for ( ; j > 0; pp += kn, ++cp, --j )\
+		    weight += *pp * cp->weight;\
+		}\
+		{ PixelTmp2 pixel = unscale_AccumTmp(weight);\
+		  ((PixelOut *)dst)[kc] =\
+		    (PixelOut)CLAMP(pixel, 0, max_weight);\
+		}\
+	  }
+
+    if (sizeofPixelOut == 1) {
+	zoom_y_loop(byte)
+    } else {			/* sizeofPixelOut == 2 */
+	zoom_y_loop(bits16)
+    }
+}
+
+/* ------ Stream implementation ------ */
+
+#define tmp_width WidthOut
+#define tmp_height HeightIn
+
+/* Forward references */
+private void s_IScale_release(P1(stream_state * st));
+
+/* Calculate the weights for an output row. */
+private void
+calculate_dst_contrib(stream_IScale_state * ss, int y)
+{
+    uint row_size = ss->WidthOut * ss->Colors;
+    int last_index =
+    calculate_contrib(&ss->dst_next_list, ss->dst_items, ss->yscale,
+		      y, 1, ss->HeightIn, max_support, row_size,
+		      (double)ss->MaxValueOut / unitPixelTmp);
+    int first_index_mod = ss->dst_next_list.first_pixel / row_size;
+
+    ss->dst_last_index = last_index;
+    last_index %= max_support;
+    if (last_index < first_index_mod) {		/* Shuffle the indices to account for wraparound. */
+	CONTRIB shuffle[max_support];
+	int i;
+
+	for (i = 0; i < max_support; ++i)
+	    shuffle[i].weight =
+		(i <= last_index ?
+		 ss->dst_items[i + max_support - first_index_mod].weight :
+		 i >= first_index_mod ?
+		 ss->dst_items[i - first_index_mod].weight :
+		 0);
+	memcpy(ss->dst_items, shuffle, max_support * sizeof(CONTRIB));
+	ss->dst_next_list.n = max_support;
+	ss->dst_next_list.first_pixel = 0;
+    }
+}
+
+/* Initialize the filter. */
+private int
+s_IScale_init(stream_state * st)
+{
+    stream_IScale_state *const ss = (stream_IScale_state *) st;
+    gs_memory_t *mem = ss->memory;
+
+    ss->sizeofPixelIn = ss->BitsPerComponentIn / 8;
+    ss->sizeofPixelOut = ss->BitsPerComponentOut / 8;
+    ss->xscale = (double)ss->WidthOut / (double)ss->WidthIn;
+    ss->yscale = (double)ss->HeightOut / (double)ss->HeightIn;
+
+    ss->src_y = 0;
+    ss->src_size = ss->WidthIn * ss->sizeofPixelIn * ss->Colors;
+    ss->src_offset = 0;
+    ss->dst_y = 0;
+    ss->dst_size = ss->WidthOut * ss->sizeofPixelOut * ss->Colors;
+    ss->dst_offset = 0;
+
+    /* create intermediate image to hold horizontal zoom */
+    ss->tmp = (PixelTmp *) gs_alloc_byte_array(mem,
+					   min(ss->tmp_height, max_support),
+			      ss->tmp_width * ss->Colors * sizeof(PixelTmp),
+					       "image_scale tmp");
+    ss->contrib = (CLIST *) gs_alloc_byte_array(mem,
+					   max(ss->WidthOut, ss->HeightOut),
+				      sizeof(CLIST), "image_scale contrib");
+    ss->items = (CONTRIB *) gs_alloc_byte_array(mem,
+				  contrib_pixels(ss->xscale) * ss->WidthOut,
+				 sizeof(CONTRIB), "image_scale contrib[*]");
+    /* Allocate buffers for 1 row of source and destination. */
+    ss->dst = gs_alloc_byte_array(mem, ss->WidthOut * ss->Colors,
+				  ss->sizeofPixelOut, "image_scale dst");
+    ss->src = gs_alloc_byte_array(mem, ss->WidthIn * ss->Colors,
+				  ss->sizeofPixelIn, "image_scale src");
+    if (ss->tmp == 0 || ss->contrib == 0 || ss->items == 0 ||
+	ss->dst == 0 || ss->src == 0
+	) {
+	s_IScale_release(st);
+	return ERRC;
+/****** WRONG ******/
+    }
+    /* Pre-calculate filter contributions for a row. */
+    calculate_contrib(ss->contrib, ss->items, ss->xscale,
+		      0, ss->WidthOut, ss->WidthIn, ss->WidthIn,
+		      ss->Colors, (double)unitPixelTmp / ss->MaxValueIn);
+
+    /* Prepare the weights for the first output row. */
+    calculate_dst_contrib(ss, 0);
+
+    return 0;
+
+}
+
+/* Process a buffer.  Note that this handles Encode and Decode identically. */
+private int
+s_IScale_process(stream_state * st, stream_cursor_read * pr,
+		 stream_cursor_write * pw, bool last)
+{
+    stream_IScale_state *const ss = (stream_IScale_state *) st;
+
+    /* Check whether we need to deliver any output. */
+
+  top:while (ss->src_y > ss->dst_last_index) {	/* We have enough horizontally scaled temporary rows */
+	/* to generate a vertically scaled output row. */
+	uint wleft = pw->limit - pw->ptr;
+
+	if (ss->dst_y == ss->HeightOut)
+	    return EOFC;
+	if (wleft == 0)
+	    return 1;
+	if (ss->dst_offset == 0) {
+	    byte *row;
+
+	    if (wleft >= ss->dst_size) {	/* We can scale the row directly into the output. */
+		row = pw->ptr + 1;
+		pw->ptr += ss->dst_size;
+	    } else {		/* We'll have to buffer the row. */
+		row = ss->dst;
+	    }
+	    /* Apply filter to zoom vertically from tmp to dst. */
+	    zoom_y(row, ss->sizeofPixelOut, ss->MaxValueOut, ss->tmp,
+		   ss->WidthOut, ss->tmp_width, ss->Colors,
+		   &ss->dst_next_list, ss->dst_items);
+	    /* Idiotic C coercion rules allow T* and void* to be */
+	    /* inter-assigned freely, but not compared! */
+	    if ((void *)row != ss->dst)		/* no buffering */
+		goto adv;
+	} {			/* We're delivering a buffered output row. */
+	    uint wcount = ss->dst_size - ss->dst_offset;
+	    uint ncopy = min(wleft, wcount);
+
+	    memcpy(pw->ptr + 1, (byte *) ss->dst + ss->dst_offset, ncopy);
+	    pw->ptr += ncopy;
+	    ss->dst_offset += ncopy;
+	    if (ncopy != wcount)
+		return 1;
+	    ss->dst_offset = 0;
+	}
+	/* Advance to the next output row. */
+      adv:++(ss->dst_y);
+	if (ss->dst_y != ss->HeightOut)
+	    calculate_dst_contrib(ss, ss->dst_y);
+    }
+
+    /* Read input data and scale horizontally into tmp. */
+
+    {
+	uint rleft = pr->limit - pr->ptr;
+	uint rcount = ss->src_size - ss->src_offset;
+
+	if (rleft == 0)
+	    return 0;		/* need more input */
+#ifdef DEBUG
+	assert(ss->src_y < ss->HeightIn);
+#endif
+	if (rleft >= rcount) {	/* We're going to fill up a row. */
+	    const byte *row;
+
+	    if (ss->src_offset == 0) {	/* We have a complete row.  Read the data */
+		/* directly from the input. */
+		row = pr->ptr + 1;
+	    } else {		/* We're buffering a row in src. */
+		row = ss->src;
+		memcpy((byte *) ss->src + ss->src_offset, pr->ptr + 1,
+		       rcount);
+		ss->src_offset = 0;
+	    }
+	    /* Apply filter to zoom horizontally from src to tmp. */
+	    zoom_x(ss->tmp + (ss->src_y % max_support) *
+		   ss->tmp_width * ss->Colors, row,
+		   ss->sizeofPixelIn, ss->tmp_width, ss->WidthIn,
+		   ss->Colors, ss->contrib, ss->items);
+	    pr->ptr += rcount;
+	    ++(ss->src_y);
+	    goto top;
+	} else {		/* We don't have a complete row.  Copy data to src buffer. */
+	    memcpy((byte *) ss->src + ss->src_offset, pr->ptr + 1, rleft);
+	    ss->src_offset += rleft;
+	    pr->ptr += rleft;
+	    return 0;
+	}
+    }
+}
+
+/* Release the filter's storage. */
+private void
+s_IScale_release(stream_state * st)
+{
+    stream_IScale_state *const ss = (stream_IScale_state *) st;
+    gs_memory_t *mem = ss->memory;
+
+    gs_free_object(mem, (void *)ss->src, "image_scale src");	/* no longer const */
+    ss->src = 0;
+    gs_free_object(mem, ss->dst, "image_scale dst");
+    ss->dst = 0;
+    gs_free_object(mem, ss->items, "image_scale contrib[*]");
+    ss->items = 0;
+    gs_free_object(mem, ss->contrib, "image_scale contrib");
+    ss->contrib = 0;
+    gs_free_object(mem, ss->tmp, "image_scale tmp");
+    ss->tmp = 0;
+}
+
+/* Stream template */
+const stream_template s_IScale_template =
+{&st_IScale_state, s_IScale_init, s_IScale_process, 1, 1,
+ s_IScale_release
+};
diff --git a/pstoraster/siscale.h b/pstoraster/siscale.h
new file mode 100644
index 000000000..ca034db12
--- /dev/null
+++ b/pstoraster/siscale.h
@@ -0,0 +1,148 @@
+/* Copyright (C) 1995, 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires strimpl.h */
+
+#ifndef siscale_INCLUDED
+#  define siscale_INCLUDED
+
+#include "gconfigv.h"
+
+/* Define whether to accumulate pixels in fixed or floating point. */
+#if USE_FPU <= 0
+
+	/* Accumulate pixels in fixed point. */
+
+typedef int PixelWeight;
+
+#  if arch_ints_are_short
+typedef long AccumTmp;
+
+#  else
+typedef int AccumTmp;
+
+#  endif
+#define num_weight_bits\
+  ((sizeof(AccumTmp) - maxSizeofPixel) * 8 - (log2_max_support + 1))
+#define scale_PixelWeight(factor) ((int)((factor) * (1 << num_weight_bits)))
+#define unscale_AccumTmp(atemp) arith_rshift(atemp, num_weight_bits)
+
+#else /* USE_FPU > 0 */
+
+	/* Accumulate pixels in floating point. */
+
+typedef float PixelWeight;
+typedef double AccumTmp;
+
+#define scale_PixelWeight(factor) (factor)
+#define unscale_AccumTmp(atemp) ((int)(atemp))
+
+#endif /* USE_FPU */
+
+/* Input values */
+					/*typedef byte PixelIn; *//* see sizeofPixelIn below */
+					/*#define MaxValueIn 255 *//* see MaxValueIn below */
+
+/* Temporary intermediate values */
+typedef byte PixelTmp;
+typedef int PixelTmp2;		/* extra width for clamping sum */
+
+#define minPixelTmp 0
+#define maxPixelTmp 255
+#define unitPixelTmp 255
+
+/* Max of all pixel sizes */
+#define maxSizeofPixel 2
+
+/* Output values */
+					/*typedef byte PixelOut; *//* see sizeofPixelOut below */
+					/*#define MaxValueOut 255 *//* see MaxValueOut below */
+
+/*
+ * The 'support' S of the digital filter is the value such that the filter
+ * is guaranteed to be zero for all arguments outside the range [-S..S].
+ * We artificially limit the support so that we can put an upper bound
+ * on the time required to compute an output value and on the amount of
+ * storage required for the X-filtered input data; this also allows us
+ * to use pre-scaled fixed-point values for the weights if we wish.
+ *
+ * 8x8 pixels should be enough for any reasonable application....
+ */
+#define log2_max_support 3
+#define max_support (1 << log2_max_support)
+
+/* Auxiliary structures. */
+
+typedef struct {
+    PixelWeight weight;		/* float or scaled fraction */
+} CONTRIB;
+
+typedef struct {
+    int index;			/* index of first element in list of */
+    /* contributors */
+    int n;			/* number of contributors */
+    /* (not multiplied by stride) */
+    int first_pixel;		/* offset of first value in source data */
+} CLIST;
+
+/* ImageScaleEncode / ImageScaleDecode */
+typedef struct stream_IScale_state_s {
+    stream_state_common;
+    /* The client sets the following before initialization. */
+    int Colors;			/* any number >= 1 */
+    int BitsPerComponentIn;	/* bits per input value, 8 or 16 */
+    uint MaxValueIn;		/* max value of input component */
+    int WidthIn, HeightIn;
+    int BitsPerComponentOut;	/* bits per output value, 8 or 16 */
+    uint MaxValueOut;		/* max value of output component */
+    int WidthOut, HeightOut;
+    /* The init procedure sets the following. */
+    int sizeofPixelIn;		/* bytes per input value, 1 or 2 */
+    int sizeofPixelOut;		/* bytes per output value, 1 or 2 */
+    double xscale, yscale;
+    void /*PixelIn */ *src;
+    void /*PixelOut */ *dst;
+    PixelTmp *tmp;
+    CLIST *contrib;
+    CONTRIB *items;
+    /* The following are updated dynamically. */
+    int src_y;
+    uint src_offset, src_size;
+    int dst_y;
+    uint dst_offset, dst_size;
+    CLIST dst_next_list;	/* for next output value */
+    int dst_last_index;		/* highest index used in list */
+    CONTRIB dst_items[max_support];	/* ditto */
+} stream_IScale_state;
+
+extern_st(st_IScale_state);	/* so clients can allocate */
+#define public_st_IScale_state()	/* in siscale.c */\
+  gs_public_st_ptrs5(st_IScale_state, stream_IScale_state,\
+    "ImageScaleEncode/Decode state",\
+    iscale_state_enum_ptrs, iscale_state_reloc_ptrs,\
+    dst, src, tmp, contrib, items)
+extern const stream_template s_IScale_template;
+
+#endif /* siscale_INCLUDED */
diff --git a/pstoraster/sjpeg.h b/pstoraster/sjpeg.h
new file mode 100644
index 000000000..92fb684dd
--- /dev/null
+++ b/pstoraster/sjpeg.h
@@ -0,0 +1,80 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires sdct.h, jpeg/jpeglib.h */
+
+#ifndef sjpeg_INCLUDED
+#  define sjpeg_INCLUDED
+
+/*
+ * Each routine gs_jpeg_xxx is equivalent to the IJG entry point jpeg_xxx,
+ * except that
+ *   (a) it takes a pointer to stream_DCT_state instead of just the IJG
+ *       jpeg_(de)compress_data struct;
+ *   (b) it catches any error exit from the IJG code and converts it into
+ *       an error return value per Ghostscript custom.  A negative return
+ *       value is an error code, except for gs_jpeg_alloc_xxx which return
+ *       NULL (indicating e_VMerror).
+ */
+
+/* Common to encode/decode */
+
+void gs_jpeg_error_setup(P1(stream_DCT_state * st));
+int gs_jpeg_log_error(P1(stream_DCT_state * st));
+JQUANT_TBL *gs_jpeg_alloc_quant_table(P1(stream_DCT_state * st));
+JHUFF_TBL *gs_jpeg_alloc_huff_table(P1(stream_DCT_state * st));
+int gs_jpeg_destroy(P1(stream_DCT_state * st));
+
+/* Encode */
+
+int gs_jpeg_create_compress(P1(stream_DCT_state * st));
+int gs_jpeg_set_defaults(P1(stream_DCT_state * st));
+int gs_jpeg_set_colorspace(P2(stream_DCT_state * st,
+			      J_COLOR_SPACE colorspace));
+int gs_jpeg_set_linear_quality(P3(stream_DCT_state * st,
+				  int scale_factor,
+				  boolean force_baseline));
+int gs_jpeg_set_quality(P3(stream_DCT_state * st,
+			   int quality,
+			   boolean force_baseline));
+int gs_jpeg_start_compress(P2(stream_DCT_state * st,
+			      boolean write_all_tables));
+int gs_jpeg_write_scanlines(P3(stream_DCT_state * st,
+			       JSAMPARRAY scanlines,
+			       int num_lines));
+int gs_jpeg_finish_compress(P1(stream_DCT_state * st));
+
+/* Decode */
+
+int gs_jpeg_create_decompress(P1(stream_DCT_state * st));
+int gs_jpeg_read_header(P2(stream_DCT_state * st,
+			   boolean require_image));
+int gs_jpeg_start_decompress(P1(stream_DCT_state * st));
+int gs_jpeg_read_scanlines(P3(stream_DCT_state * st,
+			      JSAMPARRAY scanlines,
+			      int max_lines));
+int gs_jpeg_finish_decompress(P1(stream_DCT_state * st));
+
+#endif /* sjpeg_INCLUDED */
diff --git a/pstoraster/sjpegc.c b/pstoraster/sjpegc.c
new file mode 100644
index 000000000..eca7e589c
--- /dev/null
+++ b/pstoraster/sjpegc.c
@@ -0,0 +1,305 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1997 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* Interface routines for IJG code, common to encode/decode. */
+#include "stdio_.h"
+#include "string_.h"
+#include "jpeglib.h"
+#include "jerror.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+
+/* gs_jpeg_message_table() is kept in a separate file for arcane reasons.
+ * See sjpegerr.c.
+ */
+const char *const *gs_jpeg_message_table(P1(void));
+
+/*
+ * Error handling routines (these replace corresponding IJG routines from
+ * jpeg/jerror.c).  These are used for both compression and decompression.
+ * We assume
+ * offset_of(jpeg_compress_data, cinfo)==offset_of(jpeg_decompress_data, dinfo)
+ */
+
+private void
+gs_jpeg_error_exit(j_common_ptr cinfo)
+{
+    jpeg_stream_data *jcomdp =
+    (jpeg_stream_data *) ((char *)cinfo -
+			  offset_of(jpeg_compress_data, cinfo));
+
+    longjmp(jcomdp->exit_jmpbuf, 1);
+}
+
+private void
+gs_jpeg_emit_message(j_common_ptr cinfo, int msg_level)
+{
+    if (msg_level < 0) {	/* GS policy is to ignore IJG warnings when Picky=0,
+				 * treat them as errors when Picky=1.
+				 */
+	jpeg_stream_data *jcomdp =
+	(jpeg_stream_data *) ((char *)cinfo -
+			      offset_of(jpeg_compress_data, cinfo));
+
+	if (jcomdp->Picky)
+	    gs_jpeg_error_exit(cinfo);
+    }
+    /* Trace messages are always ignored. */
+}
+
+/*
+ * This is an exact copy of format_message from jpeg/jerror.c.
+ * We do not use jerror.c in Ghostscript, so we have to duplicate this routine.
+ */
+
+private void
+gs_jpeg_format_message(j_common_ptr cinfo, char *buffer)
+{
+    struct jpeg_error_mgr *err = cinfo->err;
+    int msg_code = err->msg_code;
+    const char *msgtext = NULL;
+    const char *msgptr;
+    char ch;
+    boolean isstring;
+
+    /* Look up message string in proper table */
+    if (msg_code > 0 && msg_code <= err->last_jpeg_message) {
+	msgtext = err->jpeg_message_table[msg_code];
+    } else if (err->addon_message_table != NULL &&
+	       msg_code >= err->first_addon_message &&
+	       msg_code <= err->last_addon_message) {
+	msgtext = err->addon_message_table[msg_code - err->first_addon_message];
+    }
+    /* Defend against bogus message number */
+    if (msgtext == NULL) {
+	err->msg_parm.i[0] = msg_code;
+	msgtext = err->jpeg_message_table[0];
+    }
+    /* Check for string parameter, as indicated by %s in the message text */
+    isstring = FALSE;
+    msgptr = msgtext;
+    while ((ch = *msgptr++) != '\0') {
+	if (ch == '%') {
+	    if (*msgptr == 's')
+		isstring = TRUE;
+	    break;
+	}
+    }
+
+    /* Format the message into the passed buffer */
+    if (isstring)
+	sprintf(buffer, msgtext, err->msg_parm.s);
+    else
+	sprintf(buffer, msgtext,
+		err->msg_parm.i[0], err->msg_parm.i[1],
+		err->msg_parm.i[2], err->msg_parm.i[3],
+		err->msg_parm.i[4], err->msg_parm.i[5],
+		err->msg_parm.i[6], err->msg_parm.i[7]);
+}
+
+/* And this is an exact copy of another routine from jpeg/jerror.c. */
+
+private void
+gs_jpeg_reset_error_mgr(j_common_ptr cinfo)
+{
+    cinfo->err->num_warnings = 0;
+    /* trace_level is not reset since it is an application-supplied parameter */
+    cinfo->err->msg_code = 0;	/* may be useful as a flag for "no error" */
+}
+
+/*
+ * This routine initializes the error manager fields in the JPEG object.
+ * It is based on jpeg_std_error from jpeg/jerror.c.
+ */
+
+void
+gs_jpeg_error_setup(stream_DCT_state * st)
+{
+    struct jpeg_error_mgr *err = &st->data.common->err;
+
+    err->error_exit = gs_jpeg_error_exit;
+    err->emit_message = gs_jpeg_emit_message;
+    /* We need not set the output_message field since gs_jpeg_emit_message
+     * doesn't call it, and the IJG library never calls output_message directly.
+     * Setting the format_message field isn't strictly necessary either,
+     * since gs_jpeg_log_error calls gs_jpeg_format_message directly.
+     */
+    err->format_message = gs_jpeg_format_message;
+    err->reset_error_mgr = gs_jpeg_reset_error_mgr;
+
+    err->trace_level = 0;	/* default = no tracing */
+    err->num_warnings = 0;	/* no warnings emitted yet */
+    err->msg_code = 0;		/* may be useful as a flag for "no error" */
+
+    /* Initialize message table pointers */
+    err->jpeg_message_table = gs_jpeg_message_table();
+    err->last_jpeg_message = (int)JMSG_LASTMSGCODE - 1;
+
+    err->addon_message_table = NULL;
+    err->first_addon_message = 0;	/* for safety */
+    err->last_addon_message = 0;
+
+    st->data.compress->cinfo.err = err;		/* works for decompress case too */
+}
+
+/* Stuff the IJG error message into errorinfo after an error exit. */
+
+int
+gs_jpeg_log_error(stream_DCT_state * st)
+{
+    j_common_ptr cinfo = (j_common_ptr) & st->data.compress->cinfo;
+    char buffer[JMSG_LENGTH_MAX];
+
+    /* Format the error message */
+    gs_jpeg_format_message(cinfo, buffer);
+    (*st->report_error) ((stream_state *) st, buffer);
+    return gs_error_ioerror;	/* caller will do return_error() */
+}
+
+
+/*
+ * Interface routines.  This layer of routines exists solely to limit
+ * side-effects from using setjmp.
+ */
+
+
+JQUANT_TBL *
+gs_jpeg_alloc_quant_table(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf)) {
+	gs_jpeg_log_error(st);
+	return NULL;
+    }
+    return jpeg_alloc_quant_table((j_common_ptr)
+				  & st->data.compress->cinfo);
+}
+
+JHUFF_TBL *
+gs_jpeg_alloc_huff_table(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf)) {
+	gs_jpeg_log_error(st);
+	return NULL;
+    }
+    return jpeg_alloc_huff_table((j_common_ptr)
+				 & st->data.compress->cinfo);
+}
+
+int
+gs_jpeg_destroy(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_destroy((j_common_ptr) & st->data.compress->cinfo);
+    return 0;
+}
+
+
+/*
+ * These routines replace the low-level memory manager of the IJG library.
+ * They pass malloc/free calls to the Ghostscript memory manager.
+ * Note we do not need these to be declared in any GS header file.
+ */
+
+private gs_memory_t *
+gs_j_common_memory(j_common_ptr cinfo)
+{				/*
+				 * We use the offset of cinfo in jpeg_compress data here, but we
+				 * could equally well have used jpeg_decompress_data.
+				 */
+    const jpeg_stream_data *sd =
+    ((const jpeg_stream_data *)((const byte *)cinfo -
+				offset_of(jpeg_compress_data, cinfo)));
+
+    return sd->memory;
+}
+
+void *
+jpeg_get_small(j_common_ptr cinfo, size_t sizeofobject)
+{
+    gs_memory_t *mem = gs_j_common_memory(cinfo);
+
+    return gs_alloc_bytes_immovable(mem, sizeofobject,
+				    "JPEG small internal data allocation");
+}
+
+void
+jpeg_free_small(j_common_ptr cinfo, void *object, size_t sizeofobject)
+{
+    gs_memory_t *mem = gs_j_common_memory(cinfo);
+
+    gs_free_object(mem, object, "Freeing JPEG small internal data");
+}
+
+void FAR *
+jpeg_get_large(j_common_ptr cinfo, size_t sizeofobject)
+{
+    gs_memory_t *mem = gs_j_common_memory(cinfo);
+
+    return gs_alloc_bytes_immovable(mem, sizeofobject,
+				    "JPEG large internal data allocation");
+}
+
+void
+jpeg_free_large(j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
+{
+    gs_memory_t *mem = gs_j_common_memory(cinfo);
+
+    gs_free_object(mem, object, "Freeing JPEG large internal data");
+}
+
+long
+jpeg_mem_available(j_common_ptr cinfo, long min_bytes_needed,
+		   long max_bytes_needed, long already_allocated)
+{
+    return max_bytes_needed;
+}
+
+void
+jpeg_open_backing_store(j_common_ptr cinfo, void *info,
+			long total_bytes_needed)
+{
+    ERREXIT(cinfo, JERR_NO_BACKING_STORE);
+}
+
+long
+jpeg_mem_init(j_common_ptr cinfo)
+{
+    return 0;			/* just set max_memory_to_use to 0 */
+}
+
+void
+jpeg_mem_term(j_common_ptr cinfo)
+{
+    /* no work */
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sjpegd.c b/pstoraster/sjpegd.c
new file mode 100644
index 000000000..ec7a9c04f
--- /dev/null
+++ b/pstoraster/sjpegd.c
@@ -0,0 +1,100 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright (C) 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* Interface routines for IJG decoding code. */
+#include "stdio_.h"
+#include "string_.h"
+#include "jpeglib.h"
+#include "jerror.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+
+/*
+ * Interface routines.  This layer of routines exists solely to limit
+ * side-effects from using setjmp.
+ */
+
+int
+gs_jpeg_create_decompress(stream_DCT_state * st)
+{				/* Initialize error handling */
+    gs_jpeg_error_setup(st);
+    /* Establish the setjmp return context for gs_jpeg_error_exit to use. */
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+
+    jpeg_create_decompress(&st->data.decompress->dinfo);
+    jpeg_stream_data_common_init(st->data.decompress);
+    return 0;
+}
+
+int
+gs_jpeg_read_header(stream_DCT_state * st,
+		    boolean require_image)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    return jpeg_read_header(&st->data.decompress->dinfo, require_image);
+}
+
+int
+gs_jpeg_start_decompress(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+#if JPEG_LIB_VERSION > 55
+    return (int)jpeg_start_decompress(&st->data.decompress->dinfo);
+#else
+    /* in IJG version 5, jpeg_start_decompress had no return value */
+    jpeg_start_decompress(&st->data.decompress->dinfo);
+    return 1;
+#endif
+}
+
+int
+gs_jpeg_read_scanlines(stream_DCT_state * st,
+		       JSAMPARRAY scanlines,
+		       int max_lines)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    return (int)jpeg_read_scanlines(&st->data.decompress->dinfo,
+				    scanlines, (JDIMENSION) max_lines);
+}
+
+int
+gs_jpeg_finish_decompress(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    return (int)jpeg_finish_decompress(&st->data.decompress->dinfo);
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sjpege.c b/pstoraster/sjpege.c
new file mode 100644
index 000000000..0621e12be
--- /dev/null
+++ b/pstoraster/sjpege.c
@@ -0,0 +1,129 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* Interface routines for IJG encoding code. */
+#include "stdio_.h"
+#include "string_.h"
+#include "jpeglib.h"
+#include "jerror.h"
+#include "gx.h"
+#include "gserrors.h"
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+
+/*
+ * Interface routines.  This layer of routines exists solely to limit
+ * side-effects from using setjmp.
+ */
+
+int
+gs_jpeg_create_compress(stream_DCT_state * st)
+{				/* Initialize error handling */
+    gs_jpeg_error_setup(st);
+    /* Establish the setjmp return context for gs_jpeg_error_exit to use. */
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+
+    jpeg_create_compress(&st->data.compress->cinfo);
+    jpeg_stream_data_common_init(st->data.compress);
+    return 0;
+}
+
+int
+gs_jpeg_set_defaults(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_set_defaults(&st->data.compress->cinfo);
+    return 0;
+}
+
+int
+gs_jpeg_set_colorspace(stream_DCT_state * st,
+		       J_COLOR_SPACE colorspace)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_set_colorspace(&st->data.compress->cinfo, colorspace);
+    return 0;
+}
+
+int
+gs_jpeg_set_linear_quality(stream_DCT_state * st,
+			   int scale_factor, boolean force_baseline)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_set_linear_quality(&st->data.compress->cinfo,
+			    scale_factor, force_baseline);
+    return 0;
+}
+
+int
+gs_jpeg_set_quality(stream_DCT_state * st,
+		    int quality, boolean force_baseline)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_set_quality(&st->data.compress->cinfo,
+		     quality, force_baseline);
+    return 0;
+}
+
+int
+gs_jpeg_start_compress(stream_DCT_state * st,
+		       boolean write_all_tables)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_start_compress(&st->data.compress->cinfo, write_all_tables);
+    return 0;
+}
+
+int
+gs_jpeg_write_scanlines(stream_DCT_state * st,
+			JSAMPARRAY scanlines,
+			int num_lines)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    return (int)jpeg_write_scanlines(&st->data.compress->cinfo,
+				     scanlines, (JDIMENSION) num_lines);
+}
+
+int
+gs_jpeg_finish_compress(stream_DCT_state * st)
+{
+    if (setjmp(st->data.common->exit_jmpbuf))
+	return_error(gs_jpeg_log_error(st));
+    jpeg_finish_compress(&st->data.compress->cinfo);
+    return 0;
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/sjpegerr.c b/pstoraster/sjpegerr.c
new file mode 100644
index 000000000..767aeac04
--- /dev/null
+++ b/pstoraster/sjpegerr.c
@@ -0,0 +1,102 @@
+/*
+  Copyright 1993-2002 by Easy Software Products
+  Copyright (C) 1994, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+/*$Id$ */
+/* IJG error message table for Ghostscript. */
+#include "stdio_.h"
+#include "jpeglib.h"
+
+/*
+ * MRS - these are normally found in jversion.h, however it seems that
+ * many vendors (Red Hat, SGI, etc.) do not distribute it...
+ *
+ * The following definitions come from the 6B distribution...
+ */
+
+#define JVERSION	"6b  27-Mar-1998"
+#define JCOPYRIGHT	"Copyright (C) 1998, Thomas G. Lane"
+
+/*
+ * This file exists solely to hold the rather large IJG error message string
+ * table (now about 4K, and likely to grow in future releases).  The table
+ * is large enough that we don't want it to be in the default data segment
+ * in a 16-bit executable.
+ *
+ * In IJG version 5 and earlier, under Borland C, this is accomplished simply
+ * by compiling this one file in "huge" memory model rather than "large".
+ * The string constants will then go into a private far data segment.
+ * In less brain-damaged architectures, this file is simply compiled normally,
+ * and we pay only the price of one extra function call.
+ *
+ * In IJG version 5a and later, under Borland C, this is accomplished by making
+ * each string be a separate variable that's explicitly declared "far".
+ * (What a crock...)
+ *
+ * This must be a separate file to avoid duplicate-symbol errors, since we
+ * use the IJG message code names as variables rather than as enum constants.
+ */
+
+#if JPEG_LIB_VERSION <= 50	/**************** *************** */
+
+#include "jerror.h"		/* get error codes */
+#define JMAKE_MSG_TABLE
+#include "jerror.h"		/* create message string table */
+
+#define jpeg_std_message_table jpeg_message_table
+
+#else	/* JPEG_LIB_VERSION >= 51 */ /**************** *************** */
+
+/* Create a static const char[] variable for each message string. */
+
+#define JMESSAGE(code,string)	static const char code[] = string;
+
+#include "jerror.h"
+
+/* Now build an array of pointers to same. */
+
+#define JMESSAGE(code,string)	code ,
+
+static const char *const jpeg_std_message_table[] =
+{
+#include "jerror.h"
+    NULL
+};
+
+#endif	/* JPEG_LIB_VERSION */ /**************** *************** */
+
+/*
+ * Return a pointer to the message table.
+ * It is unsafe to do much more than this within the "huge" environment.
+ */
+
+const char *const *
+gs_jpeg_message_table(void)
+{
+    return jpeg_std_message_table;
+}
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/slzwc.c b/pstoraster/slzwc.c
new file mode 100644
index 000000000..a9564a785
--- /dev/null
+++ b/pstoraster/slzwc.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Code common to LZW encoding and decoding streams */
+#include "std.h"
+#include "strimpl.h"
+#include "slzwx.h"
+
+/* Define the structure for the GC. */
+public_st_LZW_state();
+
+/* Set defaults */
+void
+s_LZW_set_defaults(stream_state * st)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+
+    s_LZW_set_defaults_inline(ss);
+}
+
+/* Release a LZW filter. */
+void
+s_LZW_release(stream_state * st)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+
+    gs_free_object(st->memory, ss->table.decode, "LZW(close)");
+}
diff --git a/pstoraster/slzwce.c b/pstoraster/slzwce.c
new file mode 100644
index 000000000..85a774fad
--- /dev/null
+++ b/pstoraster/slzwce.c
@@ -0,0 +1,167 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Simple encoder compatible with LZW decoding filter */
+#include "stdio_.h"		/* includes std.h */
+#include "gdebug.h"
+#include "strimpl.h"
+#include "slzwx.h"
+
+/* ------ Alternate LZWEncode filter implementation ------ */
+
+/*
+
+   The encoded data stream produced by this implementation of the LZWEncode
+   filter consists of a sequence of 9-bit data elements.  These elements are
+   packed into bytes in big-endian order, e.g. the elements
+
+   100000000 001100001
+
+   occurring at the very beginning of the data stream would be packed into
+   bytes as
+
+   10000000 00011000 01......
+
+   The first bit of each data element is a control bit.  If the control bit is
+   0, the remaining 8 bits of the data element are a data byte.  If the control
+   bit is 1, the remaining 8 bits of the data element define a control
+   function:
+
+   1 00000000   synchronization mark, see below
+   1 00000001   end of data
+   1 xxxxxxxx   not used (all other values)
+
+   The synchronization mark occurs at the beginning of the data stream, and at
+   least once every 254 data bytes thereafter.
+
+   This format is derived from basic principles of data encoding (the use of a
+   separate flag bit to distinguish out-of-band control information from data
+   per se, and the use of a periodic synchronization mark to help verify the
+   validity of a data stream); it has no relationship to data compression.  It
+   is, however, compatible with LZW decompressors.  It produces output that is
+   approximately 9/8 times the size of the input.
+
+ */
+
+/* Define the special codes, relative to 1 << InitialCodeLength. */
+#define CODE_RESET 0
+#define CODE_EOD 1
+#define CODE_0 2		/* first assignable code */
+
+/* Internal routine to put a code into the output buffer. */
+/* Let S = ss->code_size. */
+/* Relevant invariants: 9 <= S <= 15, 0 <= code < 1 << S; */
+/* 1 <= ss->bits_left <= 8; only the rightmost (8 - ss->bits_left) */
+/* bits of ss->bits contain valid data. */
+private byte *
+lzw_put_code(register stream_LZW_state * ss, byte * q, uint code)
+{
+    uint size = ss->code_size;
+    byte cb = (ss->bits << ss->bits_left) +
+	(code >> (size - ss->bits_left));
+
+    if_debug2('W', "[w]writing 0x%x,%d\n", code, ss->code_size);
+    *++q = cb;
+    if ((ss->bits_left += 8 - size) <= 0) {
+	*++q = code >> -ss->bits_left;
+	ss->bits_left += 8;
+    }
+    ss->bits = code;
+    return q;
+}
+
+/* Initialize LZW-compatible encoding filter. */
+int
+s_LZWE_reset(stream_state * st)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+
+    ss->code_size = ss->InitialCodeLength + 1;
+    ss->bits_left = 8;
+    /* Force the first code emitted to be a reset. */
+    ss->next_code = (1 << ss->code_size) - 2;
+    return 0;
+}
+private int
+s_LZWE_init(stream_state * st)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+
+    ss->InitialCodeLength = 8;
+    ss->table.encode = 0;
+    return s_LZWE_reset(st);
+}
+
+/* Process a buffer */
+private int
+s_LZWE_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+    register const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    register byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    int status = 0;
+    int signal = 1 << (ss->code_size - 1);
+    uint limit_code = (1 << ss->code_size) - 2;		/* reset 1 early */
+    uint next_code = ss->next_code;
+
+    while (p < rlimit) {
+	if (next_code == limit_code) {	/* Emit a reset code. */
+	    if (wlimit - q < 2) {
+		status = 1;
+		break;
+	    }
+	    q = lzw_put_code(ss, q, signal + CODE_RESET);
+	    next_code = signal + CODE_0;
+	}
+	if (wlimit - q < 2) {
+	    status = 1;
+	    break;
+	}
+	q = lzw_put_code(ss, q, *++p);
+	next_code++;
+    }
+    if (last && status == 0) {
+	if (wlimit - q < 2)
+	    status = 1;
+	else {
+	    q = lzw_put_code(ss, q, signal + CODE_EOD);
+	    if (ss->bits_left < 8)
+		*++q = ss->bits << ss->bits_left;	/* final byte */
+	}
+    }
+    ss->next_code = next_code;
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_LZWE_template = {
+    &st_LZW_state, s_LZWE_init, s_LZWE_process, 1, 2, NULL,
+    s_LZW_set_defaults, s_LZWE_reset
+};
diff --git a/pstoraster/slzwd.c b/pstoraster/slzwd.c
new file mode 100644
index 000000000..8680e8607
--- /dev/null
+++ b/pstoraster/slzwd.c
@@ -0,0 +1,372 @@
+/* Copyright (C) 1993, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* LZW decoding filter */
+#include "stdio_.h"		/* includes std.h */
+#include "gdebug.h"
+#include "strimpl.h"
+#include "slzwx.h"
+
+/* ------ LZWDecode ------ */
+
+/********************************************************/
+/* LZW routines are based on:                           */
+/* Dr. Dobbs Journal --- Oct. 1989.                     */
+/* Article on LZW Data Compression by Mark R. Nelson    */
+/********************************************************/
+
+/* Define the special codes in terms of code_escape, which is */
+/* 1 << InitialCodeLength. */
+#define code_reset (code_escape + 0)
+#define code_eod (code_escape + 1)
+#define code_0 (code_escape + 2)	/* first assignable code */
+
+struct lzw_decode_s {
+    byte datum;
+    byte len;			/* length of code */
+    ushort prefix;		/* code to be prefixed */
+};
+
+gs_private_st_simple(st_lzw_decode, lzw_decode, "lzw_decode");
+/* We can use a simple type as the element type, */
+/* because there are no pointers to enumerate or relocate. */
+#define st_lzw_decode_element st_lzw_decode
+#define lzw_decode_max 4096	/* must be 4096 */
+
+/* Initialize LZWDecode filter */
+/* We separate out the reset function for some non-stream clients. */
+int
+s_LZWD_reset(stream_state * st)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+    register lzw_decode *dc = ss->table.decode;
+    register int i;
+    uint code_escape = 1 << ss->InitialCodeLength;
+
+    ss->bits_left = 0;
+    ss->bytes_left = 0;
+    ss->next_code = code_0;
+    ss->code_size = ss->InitialCodeLength + 1;
+    ss->prev_code = -1;
+    ss->copy_code = -1;
+    dc[code_reset].len = 255;
+    dc[code_eod].len = 255;
+    for (i = 0; i < code_escape; i++, dc++)
+	dc->datum = i, dc->len = 1, dc->prefix = code_eod;
+    return 0;
+}
+private int
+s_LZWD_init(stream_state * st)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+    lzw_decode *dc =
+    gs_alloc_struct_array(st->memory, lzw_decode_max + 1,
+			  lzw_decode, &st_lzw_decode_element,
+			  "LZWDecode(init)");
+
+    if (dc == 0)
+	return ERRC;
+/****** WRONG ******/
+    ss->table.decode = dc;
+    return s_LZWD_reset(st);
+}
+
+/* Process a buffer */
+private int
+s_LZWD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_LZW_state *const ss = (stream_LZW_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+
+#ifdef DEBUG
+    byte *q0 = q;
+
+#endif
+    const byte *rlimit = pr->limit;	/* constant pointer */
+    byte *wlimit = pw->limit;	/* constant pointer */
+    int status = 0;
+    int code = ss->copy_code;
+    int prev_code = ss->prev_code;
+    uint prev_len = ss->prev_len;
+    byte bits = ss->bits;
+    int bits_left = ss->bits_left;
+    int bytes_left = ss->bytes_left;
+    int code_size = ss->code_size;
+    int code_mask;
+    int switch_code;
+    int next_code = ss->next_code;
+    lzw_decode *table = ss->table.decode;	/* constant pointer */
+    lzw_decode *dc_next = table + next_code;	/* invariant */
+    lzw_decode *dc;
+    int code_escape = 1 << ss->InitialCodeLength;
+    int eod = code_eod;
+    bool low_order = ss->FirstBitLowOrder;
+    uint len;
+    int c;
+    byte b;
+    byte *q1;
+
+    if_debug2('w', "[w]process decode: code_size=%d next_code=%d\n",
+	      code_size, next_code);
+#define set_code_size()\
+  code_mask = (1 << code_size) - 1,\
+  switch_code = code_mask + 1 - ss->EarlyChange
+    set_code_size();
+    if (!ss->BlockData)
+	bytes_left = rlimit - p + 2;	/* never stop for bytes_left */
+    /* If we are in the middle of copying a string, */
+    /* do some more now. */
+    if (code >= 0) {
+	int rlen = ss->copy_left;
+	int wlen = wlimit - q;
+	int n = len = min(rlen, wlen);
+
+	c = code;
+	ss->copy_left = rlen -= len;
+	if_debug3('W', "[W]copying 0x%x, %d byte(s) out of %d left\n",
+		  code, len, rlen + len);
+	while (rlen)
+	    c = table[c].prefix,
+		rlen--;
+	q1 = q += len;
+	n = len;
+	while (--n >= 0) {
+	    *q1-- = (dc = &table[c])->datum;
+	    c = dc->prefix;
+	}
+	if (ss->copy_left) {	/* more to do */
+	    pw->ptr = q;
+	    return 1;
+	}
+	ss->copy_code = -1;
+	len = ss->copy_len;
+	/* Retrieve the first byte of the code just copied. */
+	if (c == eod) {		/* We just copied the entire code, */
+	    /* so the byte we want is immediately available. */
+	    b = q1[1];
+	} else {		/* We have to scan to the beginning of the code. */
+	    for (; c != eod; c = table[c].prefix)
+		b = (byte) c;
+	}
+	goto add;
+    }
+  top:if (code_size > bits_left) {
+	if (bytes_left == 0) {
+	    if (p == rlimit)
+		goto out;
+	    bytes_left = *++p;
+	    if_debug1('W', "[W]block count %d\n", bytes_left);
+	    if (bytes_left == 0) {
+		status = EOFC;
+		goto out;
+	    }
+	    goto top;
+	}
+	if (low_order)
+	    code = bits >> (8 - bits_left);
+	else
+	    code = (uint) bits << (code_size - bits_left);
+	if (bits_left + 8 < code_size) {	/* Need 2 more data bytes */
+	    if (bytes_left == 1) {
+		if (rlimit - p < 3)
+		    goto out;
+		bytes_left = p[2];
+		if_debug1('W', "[W]block count %d\n",
+			  bytes_left);
+		if (bytes_left == 0) {
+		    status = EOFC;
+		    goto out;
+		}
+		bytes_left++;
+		bits = p[1];
+		p++;
+	    } else {
+		if (rlimit - p < 2)
+		    goto out;
+		bits = p[1];
+	    }
+	    if (low_order)
+		code += (uint) bits << bits_left;
+	    else
+		code += (uint) bits << (code_size - 8 - bits_left);
+	    bits_left += 8;
+	    bits = p[2];
+	    p += 2;
+	    bytes_left -= 2;
+	} else {
+	    if (p == rlimit)
+		goto out;
+	    bits = *++p;
+	    bytes_left--;
+	}
+	if (low_order)
+	    code += (uint) bits << bits_left,
+		bits_left += 8 - code_size;
+	else
+	    bits_left += 8 - code_size,
+		code += bits >> bits_left;
+    } else {
+	if (low_order)
+	    code = bits >> (8 - bits_left),
+		bits_left -= code_size;
+	else
+	    bits_left -= code_size,
+		code = bits >> bits_left;
+    }
+    code &= code_mask;
+    if_debug2('W', "[W]reading 0x%x,%d\n", code, code_size);
+    /*
+     * There is an anomalous case where a code S is followed
+     * immediately by another occurrence of the S string.
+     * In this case, the next available code will be defined as
+     * S followed by the first character of S, and will be
+     * emitted immediately after the code S.  We have to
+     * recognize this case specially, by noting that the code is
+     * equal to next_code.
+     */
+    if (code >= next_code) {
+	if (code > next_code) {
+#ifdef DEBUG
+	    lprintf2("[W]code = %d > next_code = %d\n",
+		     code, next_code);
+#endif
+	    status = ERRC;
+	    goto out;
+	}
+	/* Fabricate the entry for the code.  It will be */
+	/* overwritten immediately, of course. */
+	for (c = prev_code; c != eod; c = table[c].prefix)
+	    dc_next->datum = c;
+	len = prev_len + 1;
+	dc_next->len = min(len, 255);
+	dc_next->prefix = prev_code;
+	if_debug3('w', "[w]decoding anomalous 0x%x=0x%x+%c\n",
+		  next_code, prev_code, dc_next->datum);
+    }
+    /* See if there is enough room for the code. */
+    len = table[code].len;
+    if (len == 255) {		/* Check for special code (reset or end). */
+	/* We set their lengths to 255 to avoid doing */
+	/* an extra check in the normal case. */
+	if (code == code_reset) {
+	    if_debug1('w', "[w]reset: next_code was %d\n",
+		      next_code);
+	    next_code = code_0;
+	    dc_next = table + code_0;
+	    code_size = ss->InitialCodeLength + 1;
+	    set_code_size();
+	    prev_code = -1;
+	    goto top;
+	} else if (code == eod) {
+	    status = EOFC;
+	    goto out;
+	}
+	/* The code length won't fit in a byte, */
+	/* compute it the hard way. */
+	for (c = code, len = 0; c != eod; len++)
+	    c = table[c].prefix;
+	if_debug2('w', "[w]long code %d, length=%d\n", code, len);
+    }
+    if (wlimit - q < len) {
+	ss->copy_code = code;
+	ss->copy_left = ss->copy_len = len;
+	status = 1;
+	goto out;
+    }
+    /* Copy the string to the buffer (back to front). */
+    /* Optimize for short codes, which are the most frequent. */
+    dc = &table[code];
+    switch (len) {
+	default:
+	    {
+		byte *q1 = q += len;
+
+		c = code;
+		do {
+		    *q1-- = (dc = &table[c])->datum;
+		}
+		while ((c = dc->prefix) != eod);
+		b = q1[1];
+	    }
+	    break;
+	case 3:
+	    q[3] = dc->datum;
+	    dc = &table[dc->prefix];
+	case 2:
+	    q[2] = dc->datum;
+	    dc = &table[dc->prefix];
+	case 1:
+	    q[1] = b = dc->datum;
+	    q += len;
+    }
+  add:				/* Add a new entry to the table */
+    if (prev_code >= 0) {	/* Unfortunately, we have to check for next_code == */
+	/* lzw_decode_max every time: just checking at power */
+	/* of 2 boundaries stops us one code too soon. */
+	if (next_code == lzw_decode_max) {
+	    status = ERRC;
+	    goto out;
+	}
+	dc_next->datum = b;	/* added char of string */
+	dc_next->len = min(prev_len, 254) + 1;
+	dc_next->prefix = prev_code;
+	dc_next++;
+	if_debug4('W', "[W]adding 0x%x=0x%x+%c(%d)\n",
+		  next_code, prev_code, b, min(len, 255));
+	if (++next_code == switch_code) {	/* Crossed a power of 2. */
+	    /* We have to make a strange special check for */
+	    /* reaching the end of the code space. */
+	    if (next_code < lzw_decode_max - 1) {
+		code_size++;
+		set_code_size();
+		if_debug2('w', "[w]crossed power of 2: new code_size=%d, next_code=%d\n",
+			  code_size, next_code);
+	    }
+	}
+    }
+    prev_code = code;
+    prev_len = len;
+    goto top;
+  out:pr->ptr = p;
+    pw->ptr = q;
+    ss->code_size = code_size;
+    ss->prev_code = prev_code;
+    ss->prev_len = prev_len;
+    ss->bits = bits;
+    ss->bits_left = bits_left;
+    ss->bytes_left = bytes_left;
+    ss->next_code = next_code;
+    if_debug3('w', "[w]decoded %d bytes, prev_code=%d, next_code=%d\n",
+	      (int)(q - q0), prev_code, next_code);
+    return status;
+}
+
+/* Stream template */
+const stream_template s_LZWD_template =
+{&st_LZW_state, s_LZWD_init, s_LZWD_process, 3, 1, s_LZW_release,
+ s_LZW_set_defaults, s_LZWD_reset
+};
diff --git a/pstoraster/slzwx.h b/pstoraster/slzwx.h
new file mode 100644
index 000000000..50e0b4258
--- /dev/null
+++ b/pstoraster/slzwx.h
@@ -0,0 +1,80 @@
+/* Copyright (C) 1993, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires strimpl.h */
+
+#ifndef slzwx_INCLUDED
+#  define slzwx_INCLUDED
+
+typedef struct lzw_decode_s lzw_decode;
+typedef struct lzw_encode_table_s lzw_encode_table;
+typedef struct stream_LZW_state_s {
+    stream_state_common;
+    /* The following are set before initialization. */
+    int InitialCodeLength;	/* decoding only */
+    /*
+     * Adobe calls FirstBitLowOrder LowBitFirst.  Either one will work
+     * in PostScript code.
+     */
+    bool FirstBitLowOrder;	/* decoding only */
+    bool BlockData;		/* decoding only */
+    int EarlyChange;		/* decoding only */
+    /* The following are updated dynamically. */
+    uint bits;			/* buffer for input bits */
+    int bits_left;		/* # of valid low bits left */
+    int bytes_left;		/* # of bytes left in current block */
+				/* (arbitrary large # if not GIF) */
+    union _lzt {
+	lzw_decode *decode;
+	lzw_encode_table *encode;
+    } table;
+    uint next_code;		/* next code to be assigned */
+    int code_size;		/* current # of bits per code */
+    int prev_code;		/* previous code recognized or assigned */
+    uint prev_len;		/* length of prev_code */
+    int copy_code;		/* code whose string is being */
+				/* copied, -1 if none */
+    uint copy_len;		/* length of copy_code */
+    int copy_left;		/* amount of string left to copy */
+    bool first;			/* true if no output yet */
+} stream_LZW_state;
+
+extern_st(st_LZW_state);
+#define public_st_LZW_state()	/* in slzwc.c */\
+  gs_public_st_ptrs1(st_LZW_state, stream_LZW_state,\
+    "LZWDecode state", lzwd_enum_ptrs, lzwd_reloc_ptrs, table.decode)
+#define s_LZW_set_defaults_inline(ss)\
+  ((ss)->InitialCodeLength = 8,\
+   (ss)->FirstBitLowOrder = false,\
+   (ss)->BlockData = false,\
+   (ss)->EarlyChange = 1)
+extern const stream_template s_LZWD_template;
+extern const stream_template s_LZWE_template;
+
+/* Shared procedures */
+void s_LZW_set_defaults(P1(stream_state *));
+void s_LZW_release(P1(stream_state *));
+
+#endif /* slzwx_INCLUDED */
diff --git a/pstoraster/smtf.c b/pstoraster/smtf.c
new file mode 100644
index 000000000..93513041d
--- /dev/null
+++ b/pstoraster/smtf.c
@@ -0,0 +1,184 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* MoveToFront filters */
+#include "stdio_.h"
+#include "strimpl.h"
+#include "smtf.h"
+
+/* ------ MoveToFrontEncode/Decode ------ */
+
+private_st_MTF_state();
+
+/* Initialize */
+private int
+s_MTF_init(stream_state * st)
+{
+    stream_MTF_state *const ss = (stream_MTF_state *) st;
+    int i;
+
+    for (i = 0; i < 256; i++)
+	ss->prev.b[i] = (byte) i;
+    return 0;
+}
+
+/* Encode a buffer */
+private int
+s_MTFE_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_MTF_state *const ss = (stream_MTF_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    uint count = rlimit - p;
+    uint wcount = pw->limit - q;
+    int status =
+	(count < wcount ? 0 : (rlimit = p + wcount, 1));
+
+    while (p < rlimit) {
+	byte b = *++p;
+	int i;
+	byte prev = b, repl;
+
+	for (i = 0; (repl = ss->prev.b[i]) != b; i++)
+	    ss->prev.b[i] = prev, prev = repl;
+	ss->prev.b[i] = prev;
+	*++q = (byte) i;
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_MTFE_template = {
+    &st_MTF_state, s_MTF_init, s_MTFE_process, 1, 1
+};
+
+/* Decode a buffer */
+private int
+s_MTFD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_MTF_state *const ss = (stream_MTF_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    uint count = rlimit - p;
+    uint wcount = pw->limit - q;
+    int status = (count <= wcount ? 0 : (rlimit = p + wcount, 1));
+
+    /* Cache the first few entries in local variables. */
+    byte
+	v0 = ss->prev.b[0], v1 = ss->prev.b[1],
+	v2 = ss->prev.b[2], v3 = ss->prev.b[3];
+
+    while (p < rlimit) {
+	byte first;
+
+	/* Zeros far outnumber all other bytes in the BWBS */
+	/* code; check for them first. */
+	if (*++p == 0) {
+	    *++q = v0;
+	    continue;
+	}
+	switch (*p) {
+	    default:
+		{
+		    uint b = *p;
+		    byte *bp = &ss->prev.b[b];
+
+		    *++q = first = *bp;
+#if arch_sizeof_long == 4
+		    ss->prev.b[3] = v3;
+#endif
+		    /* Move trailing entries individually. */
+		    for (;; bp--, b--) {
+			*bp = bp[-1];
+			if (!(b & (sizeof(long) - 1)))
+			         break;
+		    }
+		    /* Move in long-size chunks. */
+		    for (; (b -= sizeof(long)) != 0;) {
+			bp -= sizeof(long);
+
+#if arch_is_big_endian
+			*(ulong *) bp =
+			    (*(ulong *) bp >> 8) |
+			    ((ulong) bp[-1] << ((sizeof(long) - 1) * 8));
+
+#else
+			*(ulong *) bp = (*(ulong *) bp << 8) | bp[-1];
+#endif
+		    }
+		}
+#if arch_sizeof_long > 4	/* better be 8! */
+		goto m7;
+	    case 7:
+		*++q = first = ss->prev.b[7];
+m7:		ss->prev.b[7] = ss->prev.b[6];
+		goto m6;
+	    case 6:
+		*++q = first = ss->prev.b[6];
+m6:		ss->prev.b[6] = ss->prev.b[5];
+		goto m5;
+	    case 5:
+		*++q = first = ss->prev.b[5];
+m5:		ss->prev.b[5] = ss->prev.b[4];
+		goto m4;
+	    case 4:
+		*++q = first = ss->prev.b[4];
+m4:		ss->prev.b[4] = v3;
+#endif
+		goto m3;
+	    case 3:
+		*++q = first = v3;
+m3:		v3 = v2, v2 = v1, v1 = v0, v0 = first;
+		break;
+	    case 2:
+		*++q = first = v2;
+		v2 = v1, v1 = v0, v0 = first;
+		break;
+	    case 1:
+		*++q = first = v1;
+		v1 = v0, v0 = first;
+		break;
+	}
+    }
+    ss->prev.b[0] = v0;
+    ss->prev.b[1] = v1;
+    ss->prev.b[2] = v2;
+    ss->prev.b[3] = v3;
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_MTFD_template = {
+    &st_MTF_state, s_MTF_init, s_MTFD_process, 1, 1,
+    NULL, NULL, s_MTF_init
+};
diff --git a/pstoraster/smtf.h b/pstoraster/smtf.h
new file mode 100644
index 000000000..eed6a2db6
--- /dev/null
+++ b/pstoraster/smtf.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h; strimpl.h if any templates are referenced */
+
+#ifndef smtf_INCLUDED
+#  define smtf_INCLUDED
+
+/* MoveToFrontEncode/Decode */
+typedef struct stream_MTF_state_s {
+    stream_state_common;
+    /* The following change dynamically. */
+    union _p {
+	ulong l[256 / sizeof(long)];
+	byte b[256];
+    } prev;
+} stream_MTF_state;
+typedef stream_MTF_state stream_MTFE_state;
+typedef stream_MTF_state stream_MTFD_state;
+
+#define private_st_MTF_state()	/* in sbwbs.c */\
+  gs_private_st_simple(st_MTF_state, stream_MTF_state,\
+    "MoveToFrontEncode/Decode state")
+extern const stream_template s_MTFE_template;
+extern const stream_template s_MTFD_template;
+
+#endif /* smtf_INCLUDED */
diff --git a/pstoraster/spcxd.c b/pstoraster/spcxd.c
new file mode 100644
index 000000000..4cb2a2f59
--- /dev/null
+++ b/pstoraster/spcxd.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PCXDecode filter */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "strimpl.h"
+#include "spcxx.h"
+
+/* ------ PCXDecode ------ */
+
+/* Refill the buffer */
+private int
+s_PCXD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int status = 0;
+
+    while (p < rlimit) {
+	int b = *++p;
+
+	if (b < 0xc0) {
+	    if (q >= wlimit) {
+		--p;
+		status = 1;
+		break;
+	    }
+	    *++q = b;
+	} else if (p >= rlimit) {
+	    --p;
+	    break;
+	} else if ((b -= 0xc0) > wlimit - q) {
+	    --p;
+	    status = 1;
+	    break;
+	} else {
+	    memset(q + 1, *++p, b);
+	    q += b;
+	}
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_PCXD_template = {
+    &st_stream_state, NULL, s_PCXD_process, 2, 63
+};
diff --git a/pstoraster/spcxx.h b/pstoraster/spcxx.h
new file mode 100644
index 000000000..cc156cf8e
--- /dev/null
+++ b/pstoraster/spcxx.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h; strimpl.h if any templates are referenced */
+
+#ifndef spcxx_INCLUDED
+#  define spcxx_INCLUDED
+
+/* PCXDecode */
+/* (no state) */
+extern const stream_template s_PCXD_template;
+
+#endif /* spcxx_INCLUDED */
diff --git a/pstoraster/spdiff.c b/pstoraster/spdiff.c
new file mode 100644
index 000000000..53290596a
--- /dev/null
+++ b/pstoraster/spdiff.c
@@ -0,0 +1,334 @@
+/* Copyright (C) 1994, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Pixel differencing filters */
+#include "stdio_.h"		/* should be std.h, but needs NULL */
+#include "strimpl.h"
+#include "spdiffx.h"
+
+/* ------ PixelDifferenceEncode/Decode ------ */
+
+private_st_PDiff_state();
+
+/* Define values for case dispatch. */
+#define cBits1 0
+#define cBits2 4
+#define cBits4 8
+#define cBits8 12
+#define cEncode -1
+#define cDecode 15
+
+/* Set defaults */
+private void
+s_PDiff_set_defaults(stream_state * st)
+{
+    stream_PDiff_state *const ss = (stream_PDiff_state *) st;
+
+    s_PDiff_set_defaults_inline(ss);
+}
+
+/* Common (re)initialization. */
+private int
+s_PDiff_reinit(stream_state * st)
+{
+    stream_PDiff_state *const ss = (stream_PDiff_state *) st;
+
+    ss->row_left = 0;
+    return 0;
+}
+
+/* Initialize PixelDifferenceEncode filter. */
+private int
+s_PDiffE_init(stream_state * st)
+{
+    stream_PDiff_state *const ss = (stream_PDiff_state *) st;
+    long bits_per_row =
+    ss->Colors * ss->BitsPerComponent * (long)ss->Columns;
+    static const byte cb_values[] =
+    {0, cBits1, cBits2, 0, cBits4, 0, 0, 0, cBits8};
+
+    ss->row_count = (uint) ((bits_per_row + 7) >> 3);
+    ss->end_mask = (1 << (-bits_per_row & 7)) - 1;
+    ss->case_index =
+	cb_values[ss->BitsPerComponent] + ss->Colors + cEncode;
+    return s_PDiff_reinit(st);
+}
+
+/* Initialize PixelDifferenceDecode filter. */
+private int
+s_PDiffD_init(stream_state * st)
+{
+    stream_PDiff_state *const ss = (stream_PDiff_state *) st;
+
+    s_PDiffE_init(st);
+    ss->case_index += cDecode - cEncode;
+    return 0;
+}
+
+/* Process a buffer.  Note that this handles both Encode and Decode. */
+private int
+s_PDiff_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    stream_PDiff_state *const ss = (stream_PDiff_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    int rcount, wcount;
+    register int count;
+    int status = 0;
+    register byte s0 = ss->s0;
+    register byte t;
+    byte save_last;
+    const byte end_mask = ss->end_mask;
+
+  row:if (ss->row_left == 0)
+	ss->row_left = ss->row_count,
+	    s0 = ss->s1 = ss->s2 = ss->s3 = 0;
+    rcount = pr->limit - p;
+    wcount = pw->limit - q;
+    if (ss->row_left < rcount)
+	rcount = ss->row_left;
+    count = (wcount < rcount ? (status = 1, wcount) : rcount);
+    ss->row_left -= count;
+    if (ss->row_left == count)
+	save_last = p[count];
+
+    /*
+     * Encoding and decoding are fundamentally different.
+     * Encoding computes E[i] = D[i] - D[i-1];
+     * decoding computes D[i] = E[i] + D[i-1].
+     * Nevertheless, the loop structures are similar enough that
+     * we put the code for both functions in the same place.
+     */
+
+#define loopn(n, body)\
+  while ( count >= n ) p += n, q += n, body, count -= n
+
+    switch (ss->case_index) {
+
+	    /* 1 bit per component */
+
+#define eloop1(ee)\
+  loopn(1, (t = *p, *q = ee, s0 = t))
+
+	case cEncode + cBits1 + 1:
+	    eloop1(t ^ ((s0 << 7) | (t >> 1)));
+	case cEncode + cBits1 + 2:
+	    eloop1(t ^ ((s0 << 6) | (t >> 2)));
+	case cEncode + cBits1 + 3:
+	    eloop1(t ^ ((s0 << 5) | (t >> 3)));
+	case cEncode + cBits1 + 4:
+	    eloop1(t ^ ((s0 << 4) | (t >> 4)));
+
+#define dloop1(te, de)\
+  loopn(1, (t = te, s0 = *q = de)); break
+
+	case cDecode + cBits1 + 1:
+	    dloop1(*p ^ (s0 << 7),
+		   (t ^= t >> 1, t ^= t >> 2, t ^ (t >> 4)));
+	case cDecode + cBits1 + 2:
+	    dloop1(*p ^ (s0 << 6),
+		   (t ^= (t >> 2), t ^ (t >> 4)));
+	case cDecode + cBits1 + 3:
+	    dloop1(*p ^ (s0 << 5),
+		   t ^ (t >> 3) ^ (t >> 6));
+	case cDecode + cBits1 + 4:
+	    dloop1(*p ^ (s0 << 4),
+		   t ^ (t >> 4));
+
+	    /* 2 bits per component */
+
+#define add4x2(a, b) ( (((a) & (b) & 0x55) << 1) ^ (a) ^ (b) )
+#define sub4x2(a, b) ( ((~(a) & (b) & 0x55) << 1) ^ (a) ^ (b) )
+
+	case cEncode + cBits2 + 1:
+	    eloop1((s0 = (s0 << 6) | (t >> 2), sub4x2(t, s0)));
+	case cEncode + cBits2 + 2:
+	    eloop1((s0 = (s0 << 4) | (t >> 4), sub4x2(t, s0)));
+	case cEncode + cBits2 + 3:
+	    eloop1((s0 = (s0 << 2) | (t >> 6), sub4x2(t, s0)));
+	case cEncode + cBits2 + 4:
+	    eloop1(sub4x2(t, s0));
+
+	case cDecode + cBits2 + 1:
+	    dloop1(*p + (s0 << 6),
+		   (t = add4x2(t >> 2, t),
+		    add4x2(t >> 4, t)));
+	case cDecode + cBits2 + 2:
+	    dloop1(*p, (t = add4x2(t, s0 << 4),
+			add4x2(t >> 4, t)));
+	case cDecode + cBits2 + 3:
+	    dloop1(*p, (t = add4x2(t, s0 << 2),
+			add4x2(t >> 6, t)));
+	case cDecode + cBits2 + 4:
+	    dloop1(*p, add4x2(t, s0));
+
+#undef add4x2
+#undef sub4x2
+
+	    /* 4 bits per component */
+
+#define add2x4(a, b) ( (((a) + (b)) & 0xf) + ((a) & 0xf0) + ((b) & 0xf0) )
+#define add2x4r4(a) ( (((a) + ((a) >> 4)) & 0xf) + ((a) & 0xf0) )
+#define sub2x4(a, b) ( (((a) - (b)) & 0xf) + ((a) & 0xf0) - ((b) & 0xf0) )
+#define sub2x4r4(a) ( (((a) - ((a) >> 4)) & 0xf) + ((a) & 0xf0) )
+
+	case cEncode + cBits4 + 1:
+	    eloop1(((t - (s0 << 4)) & 0xf0) | ((t - (t >> 4)) & 0xf));
+	case cEncode + cBits4 + 2:
+	    eloop1(sub2x4(t, s0));
+	case cEncode + cBits4 + 3:
+	    {
+		register byte s1 = ss->s1;
+
+		loopn(1, (t = *p,
+			  *q =
+			  ((t - (s0 << 4)) & 0xf0) | ((t - (s1 >> 4)) & 0xf),
+			  s0 = s1, s1 = t));
+		ss->s1 = s1;
+	    } break;
+	case cEncode + cBits4 + 4:
+	    {
+		register byte s1 = ss->s1;
+
+		loopn(2,
+		      (t = p[-1], q[-1] = sub2x4(t, s0), s0 = t,
+		       t = *p, *q = sub2x4(t, s1), s1 = t));
+		ss->s1 = s1;
+	    } break;
+
+	case cDecode + cBits4 + 1:
+	    dloop1(*p + (s0 << 4), add2x4r4(t));
+	case cDecode + cBits4 + 2:
+	    dloop1(*p, add2x4(t, s0));
+	case cDecode + cBits4 + 3:
+	    {
+		register byte s1 = ss->s1;
+
+		loopn(1, (t = (s0 << 4) + (s1 >> 4),
+			  s0 = s1, s1 = *q = add2x4(*p, t)));
+		ss->s1 = s1;
+	    } break;
+	case cDecode + cBits4 + 4:
+	    {
+		register byte s1 = ss->s1;
+
+		loopn(2,
+		      (t = p[-1], s0 = q[-1] = add2x4(s0, t),
+		       t = *p, s1 = *q = add2x4(s1, t)));
+		ss->s1 = s1;
+	    } break;
+
+#undef add2x4
+#undef add2x4r4
+#undef sub2x4
+#undef sub2x4r4
+
+	    /* 8 bits per component */
+
+#define encode8(s, d) (q[d] = p[d] - s, s = p[d])
+#define decode8(s, d) s = q[d] = s + p[d]
+
+	case cEncode + cBits8 + 1:
+	    loopn(1, encode8(s0, 0));
+	    break;
+	case cDecode + cBits8 + 1:
+	    loopn(1, decode8(s0, 0));
+	    break;
+	case cEncode + cBits8 + 2:
+	    {
+		register byte s1 = ss->s1;
+
+		loopn(2, (encode8(s0, -1), encode8(s1, 0)));
+		ss->s1 = s1;
+	    } break;
+	case cDecode + cBits8 + 2:
+	    {
+		register byte s1 = ss->s1;
+
+		loopn(2, (decode8(s0, -1), decode8(s1, 0)));
+		ss->s1 = s1;
+	    } break;
+	case cEncode + cBits8 + 3:
+	    {
+		register byte s1 = ss->s1, s2 = ss->s2;
+
+		loopn(3, (encode8(s0, -2), encode8(s1, -1),
+			  encode8(s2, 0)));
+		ss->s1 = s1, ss->s2 = s2;
+	    } break;
+	case cDecode + cBits8 + 3:
+	    {
+		register byte s1 = ss->s1, s2 = ss->s2;
+
+		loopn(3, (decode8(s0, -2), decode8(s1, -1),
+			  decode8(s2, 0)));
+		ss->s1 = s1, ss->s2 = s2;
+	    } break;
+	case cEncode + cBits8 + 4:
+	    {
+		register byte s1 = ss->s1, s2 = ss->s2, s3 = ss->s3;
+
+		loopn(4, (encode8(s0, -3), encode8(s1, -2),
+			  encode8(s2, -1), encode8(s3, 0)));
+		ss->s1 = s1, ss->s2 = s2, ss->s3 = s3;
+	    } break;
+	case cDecode + cBits8 + 4:
+	    {
+		register byte s1 = ss->s1, s2 = ss->s2, s3 = ss->s3;
+
+		loopn(4, (decode8(s0, -3), decode8(s1, -2),
+			  decode8(s2, -1), decode8(s3, 0)));
+		ss->s1 = s1, ss->s2 = s2, ss->s3 = s3;
+	    } break;
+
+#undef encode8
+#undef decode8
+
+    }
+#undef loopn
+#undef dloop1
+    ss->row_left += count;	/* leftover bytes are possible */
+    if (ss->row_left == 0) {
+	if (end_mask != 0)
+	    *q = (*q & ~end_mask) | (save_last & end_mask);
+	if (p < pr->limit && q < pw->limit)
+	    goto row;
+    }
+    ss->s0 = s0;
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream templates */
+const stream_template s_PDiffE_template =
+{&st_PDiff_state, s_PDiffE_init, s_PDiff_process, 1, 1, NULL,
+ s_PDiff_set_defaults, s_PDiff_reinit
+};
+const stream_template s_PDiffD_template =
+{&st_PDiff_state, s_PDiffD_init, s_PDiff_process, 1, 1, NULL,
+ s_PDiff_set_defaults, s_PDiff_reinit
+};
diff --git a/pstoraster/spdiffx.h b/pstoraster/spdiffx.h
new file mode 100644
index 000000000..1a4e1da96
--- /dev/null
+++ b/pstoraster/spdiffx.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires strimpl.h */
+
+#ifndef spdiffx_INCLUDED
+#  define spdiffx_INCLUDED
+
+/* PixelDifferenceDecode / PixelDifferenceEncode */
+typedef struct stream_PDiff_state_s {
+    stream_state_common;
+    /* The client sets the following before initialization. */
+    int Colors;			/* # of colors, 1..4 */
+    int BitsPerComponent;	/* 1, 2, 4, 8 */
+    int Columns;
+    /* The init procedure computes the following. */
+    uint row_count;		/* # of bytes per row */
+    byte end_mask;		/* mask for left-over bits in last byte */
+    int case_index;		/* switch index for case dispatch */
+    /* The following are updated dynamically. */
+    uint row_left;		/* # of bytes left in row */
+    byte s0, s1, s2, s3;	/* previous sample */
+} stream_PDiff_state;
+
+#define private_st_PDiff_state()	/* in spdiff.c */\
+  gs_private_st_simple(st_PDiff_state, stream_PDiff_state,\
+    "PixelDifferenceEncode/Decode state")
+#define s_PDiff_set_defaults_inline(ss)\
+  ((ss)->Colors = 1, (ss)->BitsPerComponent = 8, (ss)->Columns = 1)
+extern const stream_template s_PDiffD_template;
+extern const stream_template s_PDiffE_template;
+
+#endif /* spdiffx_INCLUDED */
diff --git a/pstoraster/spngp.c b/pstoraster/spngp.c
new file mode 100644
index 000000000..cc270a6bb
--- /dev/null
+++ b/pstoraster/spngp.c
@@ -0,0 +1,364 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PNG pixel prediction filters */
+#include "memory_.h"
+#include "strimpl.h"
+#include "spngpx.h"
+
+/* ------ PNGPredictorEncode/Decode ------ */
+
+private_st_PNGP_state();
+
+/* Define values for case dispatch. */
+#define cNone 10
+#define cSub 11
+#define cUp 12
+#define cAverage 13
+#define cPaeth 14
+#define cOptimum 15
+#define cEncode -10
+#define cDecode -4
+private const byte pngp_case_needs_prev[] =
+{0, 0, 1, 1, 1, 1};
+
+/* Set defaults */
+private void
+s_PNGP_set_defaults(stream_state * st)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+
+    s_PNGP_set_defaults_inline(ss);
+}
+
+/* Common (re)initialization. */
+private int
+s_PNGP_reinit(stream_state * st)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+
+    if (ss->prev_row != 0)
+	memset(ss->prev_row + ss->bpp, 0, ss->row_count);
+    ss->row_left = 0;
+    return 0;
+}
+
+/* Initialize PNGPredictorEncode filter. */
+private int
+s_pngp_init(stream_state * st, bool need_prev)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+    int bits_per_pixel = ss->Colors * ss->BitsPerComponent;
+    long bits_per_row = (long)bits_per_pixel * ss->Columns;
+    byte *prev_row = 0;
+
+#if arch_sizeof_long > arch_sizeof_int
+    if (bits_per_row > max_uint * 7L)
+	return ERRC;
+/****** WRONG ******/
+#endif
+    ss->row_count = (uint) ((bits_per_row + 7) >> 3);
+    ss->end_mask = (1 << (-bits_per_row & 7)) - 1;
+    ss->bpp = (bits_per_pixel + 7) >> 3;
+    if (need_prev) {
+	prev_row = gs_alloc_bytes(st->memory, ss->bpp + ss->row_count,
+				  "PNGPredictor prev row");
+	if (prev_row == 0)
+	    return ERRC;
+/****** WRONG ******/
+	memset(prev_row, 0, ss->bpp);
+    }
+    ss->prev_row = prev_row;
+    /* case_index is only preset for encoding */
+    return s_PNGP_reinit(st);
+}
+
+/* Initialize PNGPredictorEncode filter. */
+private int
+s_PNGPE_init(stream_state * st)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+
+    return s_pngp_init(st, pngp_case_needs_prev[ss->Predictor - cNone]);
+}
+
+/* Initialize PNGPredictorDecode filter. */
+private int
+s_PNGPD_init(stream_state * st)
+{
+    return s_pngp_init(st, true);
+}
+
+/*
+ * Process a partial buffer.  We pass in current and previous pointers
+ * to both the current and preceding scan line.  Note that dprev is
+ * p - bpp for encoding, q - bpp for decoding; similarly, the 'up' row
+ * is the raw data for encoding, the filtered data for decoding.
+ * Note also that the case_index cannot be cOptimum.
+ */
+private int
+paeth_predictor(int a, int b, int c)
+{
+#undef any_abs			/* just in case */
+#define any_abs(u) ((u) < 0 ? -(u) : (u))
+    int px = a + b - c;
+    int pa = any_abs(px - a), pb = any_abs(px - b), pc = any_abs(px - c);
+
+    return (pa <= pb && pa <= pc ? a : pb <= pc ? b : c);
+#undef any_abs
+}
+private void
+s_pngp_process(stream_state * st, stream_cursor_write * pw,
+	       const byte * dprev, stream_cursor_read * pr,
+	       const byte * upprev, const byte * up, uint count)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+    byte *q = pw->ptr + 1;
+    const byte *p = pr->ptr + 1;
+
+    pr->ptr += count;
+    pw->ptr += count;
+    ss->row_left -= count;
+    switch (ss->case_index) {
+	case cEncode + cNone:
+	case cDecode + cNone:
+	    memcpy(q, p, count);
+	    break;
+	case cEncode + cSub:
+	    for (; count; ++q, ++dprev, ++p, --count)
+		*q = (byte) (*p - *dprev);
+	    break;
+	case cDecode + cSub:
+	    for (; count; ++q, ++dprev, ++p, --count)
+		*q = (byte) (*p + *dprev);
+	    break;
+	case cEncode + cUp:
+	    for (; count; ++q, ++up, ++p, --count)
+		*q = (byte) (*p - *up);
+	    break;
+	case cDecode + cUp:
+	    for (; count; ++q, ++up, ++p, --count)
+		*q = (byte) (*p + *up);
+	    break;
+	case cEncode + cAverage:
+	    for (; count; ++q, ++dprev, ++up, ++p, --count)
+		*q = (byte) (*p - arith_rshift_1((int)*dprev + (int)*up));
+	    break;
+	case cDecode + cAverage:
+	    for (; count; ++q, ++dprev, ++up, ++p, --count)
+		*q = (byte) (*p + arith_rshift_1((int)*dprev + (int)*up));
+	    break;
+	case cEncode + cPaeth:
+	    for (; count; ++q, ++dprev, ++up, ++upprev, ++p, --count)
+		*q = (byte) (*p - paeth_predictor(*dprev, *up, *upprev));
+	    break;
+	case cDecode + cPaeth:
+	    for (; count; ++q, ++dprev, ++up, ++upprev, ++p, --count)
+		*q = (byte) (*p + paeth_predictor(*dprev, *up, *upprev));
+	    break;
+    }
+}
+
+/* Calculate the number of bytes for the next processing step, */
+/* the min of (input data, output data, remaining row length). */
+private uint
+s_pngp_count(const stream_state * st_const, const stream_cursor_read * pr,
+	     const stream_cursor_write * pw)
+{
+    const stream_PNGP_state *const ss_const =
+    (const stream_PNGP_state *)st_const;
+    uint rcount = pr->limit - pr->ptr;
+    uint wcount = pw->limit - pw->ptr;
+    uint row_left = ss_const->row_left;
+
+    if (rcount < row_left)
+	row_left = rcount;
+    if (wcount < row_left)
+	row_left = wcount;
+    return row_left;
+}
+
+/*
+ * Encode a buffer.  Let N = ss->row_count, P = N - ss->row_left,
+ * and B = ss->bpp.  Consider that bytes [-B .. -1] of every row are zero.
+ * Then:
+ *      prev_row[0 .. P - 1] contain bytes -B .. P - B - 1
+ *        of the current input row.
+ *      ss->prev[0 .. B - 1] contain bytes P - B .. P - 1
+ *        of the current input row.
+ *      prev_row[P .. N + B - 1] contain bytes P - B .. N - 1
+ *        of the previous input row.
+ */
+private int
+optimum_predictor(const stream_state * st, const stream_cursor_read * pr)
+{
+    return cSub;
+}
+private int
+s_PNGPE_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+    int bpp = ss->bpp;
+    int code = 0;
+
+    while (pr->ptr < pr->limit) {
+	uint count;
+
+	if (ss->row_left == 0) {	/* Beginning of row, write algorithm byte. */
+	    int predictor;
+
+	    if (pw->ptr >= pw->limit) {
+		code = 1;
+		break;
+	    }
+	    predictor =
+		(ss->Predictor == cOptimum ?
+		 optimum_predictor(st, pr) :
+		 ss->Predictor);
+	    *++(pw->ptr) = (byte) predictor - cNone;
+	    ss->case_index = predictor + cEncode;
+	    ss->row_left = ss->row_count;
+	    memset(ss->prev, 0, bpp);
+	    continue;
+	}
+	count = s_pngp_count(st, pr, pw);
+	if (count == 0) {	/* We know we have input, so output must be full. */
+	    code = 1;
+	    break;
+	} {
+	    byte *up = ss->prev_row + bpp + ss->row_count - ss->row_left;
+	    uint n = min(count, bpp);
+
+	    /* Process bytes whose predecessors are in prev. */
+	    s_pngp_process(st, pw, ss->prev, pr, up - bpp, up, n);
+	    if (ss->prev_row)
+		memcpy(up - bpp, ss->prev, n);
+	    if (n < bpp) {	/* We didn't have enough data to use up all of prev. */
+		/* Shift more data into prev and exit. */
+		int prev_left = bpp - n;
+
+		memmove(ss->prev, ss->prev + n, prev_left);
+		memcpy(ss->prev + prev_left, pr->ptr - (n - 1), n);
+		break;
+	    }
+	    /* Process bytes whose predecessors are in the input. */
+	    /* We know we have at least bpp input and output bytes, */
+	    /* and that n = bpp. */
+	    count -= bpp;
+	    s_pngp_process(st, pw, pr->ptr - (bpp - 1), pr,
+			   up, up + bpp, count);
+	    memcpy(ss->prev, pr->ptr - (bpp - 1), bpp);
+	    if (ss->prev_row) {
+		memcpy(up, pr->ptr - (bpp + count - 1), count);
+		if (ss->row_left == 0)
+		    memcpy(up + count, ss->prev, bpp);
+	    }
+	}
+    }
+    return code;
+}
+
+/*
+ * Decode a buffer.  Let N = ss->row_count, P = N - ss->row_left,
+ * and B = ss->bpp.  Consider that bytes [-B .. -1] of every row are zero.
+ * Then:
+ *      prev_row[0 .. P - 1] contain bytes -B .. P - B - 1
+ *        of the current output row.
+ *      ss->prev[0 .. B - 1] contain bytes P - B .. P - 1
+ *        of the current output row.
+ *      prev_row[P .. N + B - 1] contain bytes P - B .. N - 1
+ *        of the previous output row.
+ */
+private int
+s_PNGPD_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    stream_PNGP_state *const ss = (stream_PNGP_state *) st;
+    int bpp = ss->bpp;
+    int code = 0;
+
+    while (pr->ptr < pr->limit) {
+	uint count;
+
+	if (ss->row_left == 0) {	/* Beginning of row, read algorithm byte. */
+	    int predictor = pr->ptr[1];
+
+	    if (predictor >= cOptimum - cNone) {
+		code = ERRC;
+		break;
+	    }
+	    pr->ptr++;
+	    ss->case_index = predictor + cNone + cDecode;
+	    ss->row_left = ss->row_count;
+	    memset(ss->prev, 0, bpp);
+	    continue;
+	}
+	count = s_pngp_count(st, pr, pw);
+	if (count == 0) {	/* We know we have input, so output must be full. */
+	    code = 1;
+	    break;
+	} {
+	    byte *up = ss->prev_row + bpp + ss->row_count - ss->row_left;
+	    uint n = min(count, bpp);
+
+	    /* Process bytes whose predecessors are in prev. */
+	    s_pngp_process(st, pw, ss->prev, pr, up - bpp, up, n);
+	    if (ss->prev_row)
+		memcpy(up - bpp, ss->prev, n);
+	    if (n < bpp) {	/* We didn't have enough data to use up all of prev. */
+		/* Shift more data into prev and exit. */
+		int prev_left = bpp - n;
+
+		memmove(ss->prev, ss->prev + n, prev_left);
+		memcpy(ss->prev + prev_left, pw->ptr - (n - 1), n);
+		break;
+	    }
+	    /* Process bytes whose predecessors are in the output. */
+	    /* We know we have at least bpp input and output bytes, */
+	    /* and that n = bpp. */
+	    count -= bpp;
+	    s_pngp_process(st, pw, pw->ptr - (bpp - 1), pr,
+			   up, up + bpp, count);
+	    memcpy(ss->prev, pw->ptr - (bpp - 1), bpp);
+	    if (ss->prev_row) {
+		memcpy(up, pw->ptr - (bpp + count - 1), count);
+		if (ss->row_left == 0)
+		    memcpy(up + count, ss->prev, bpp);
+	    }
+	}
+    }
+    return code;
+}
+
+/* Stream templates */
+const stream_template s_PNGPE_template =
+{&st_PNGP_state, s_PNGPE_init, s_PNGPE_process, 1, 1, 0 /*NULL */ ,
+ s_PNGP_set_defaults, s_PNGP_reinit
+};
+const stream_template s_PNGPD_template =
+{&st_PNGP_state, s_PNGPD_init, s_PNGPD_process, 1, 1, 0 /*NULL */ ,
+ s_PNGP_set_defaults, s_PNGP_reinit
+};
diff --git a/pstoraster/spngpx.h b/pstoraster/spngpx.h
new file mode 100644
index 000000000..303341ad0
--- /dev/null
+++ b/pstoraster/spngpx.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 1996 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires strimpl.h */
+
+#ifndef spngpx_INCLUDED
+#  define spngpx_INCLUDED
+
+/* PNGPredictorDecode / PNGPredictorEncode */
+typedef struct stream_PNGP_state_s {
+    stream_state_common;
+    /* The client sets the following before initialization. */
+    int Colors;			/* # of colors, 1..16 */
+    int BitsPerComponent;	/* 1, 2, 4, 8, 16 */
+    uint Columns;		/* >0 */
+    int Predictor;		/* 10-15, only relevant for Encode */
+    /* The init procedure computes the following. */
+    uint row_count;		/* # of bytes per row */
+    byte end_mask;		/* mask for left-over bits in last byte */
+    int bpp;			/* bytes per pixel */
+    byte *prev_row;		/* previous row */
+    int case_index;		/* switch index for case dispatch, */
+				/* set dynamically when decoding */
+    /* The following are updated dynamically. */
+    long row_left;		/* # of bytes left in row */
+    byte prev[32];		/* previous samples */
+} stream_PNGP_state;
+
+#define private_st_PNGP_state()	/* in sPNGP.c */\
+  gs_private_st_ptrs1(st_PNGP_state, stream_PNGP_state,\
+    "PNGPredictorEncode/Decode state", pngp_enum_ptrs, pngp_reloc_ptrs,\
+    prev_row)
+#define s_PNGP_set_defaults_inline(ss)\
+  ((ss)->Colors = 1, (ss)->BitsPerComponent = 8, (ss)->Columns = 1,\
+   (ss)->Predictor = 15)
+extern const stream_template s_PNGPD_template;
+extern const stream_template s_PNGPE_template;
+
+#endif /* spngpx_INCLUDED */
diff --git a/pstoraster/srld.c b/pstoraster/srld.c
new file mode 100644
index 000000000..adacef808
--- /dev/null
+++ b/pstoraster/srld.c
@@ -0,0 +1,133 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* RunLengthDecode filter */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "strimpl.h"
+#include "srlx.h"
+
+/* ------ RunLengthDecode ------ */
+
+private_st_RLD_state();
+
+/* Set defaults */
+private void
+s_RLD_set_defaults(stream_state * st)
+{
+    stream_RLD_state *const ss = (stream_RLD_state *) st;
+
+    s_RLD_set_defaults_inline(ss);
+}
+
+/* Initialize */
+private int
+s_RLD_init(stream_state * st)
+{
+    stream_RLD_state *const ss = (stream_RLD_state *) st;
+
+    return s_RLD_init_inline(ss);
+}
+
+/* Refill the buffer */
+private int
+s_RLD_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_RLD_state *const ss = (stream_RLD_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int left;
+    int status = 0;
+
+top:
+    if ((left = ss->copy_left) > 0) {
+	/*
+	 * We suspended because the output buffer was full:;
+	 * try again now.
+	 */
+	uint avail = wlimit - q;
+	int copy_status = 1;
+
+	if (left > avail)
+	    left = avail;
+	if (ss->copy_data >= 0)
+	    memset(q + 1, ss->copy_data, left);
+	else {
+	    avail = rlimit - p;
+	    if (left >= avail) {
+		copy_status = 0;
+		left = avail;
+	    }
+	    memcpy(q + 1, p + 1, left);
+	    p += left;
+	}
+	q += left;
+	if ((ss->copy_left -= left) > 0) {
+	    status = copy_status;
+	    goto x;
+	}
+    }
+    while (p < rlimit) {
+	int b = *++p;
+
+	if (b < 128) {
+	    if (++b > rlimit - p || b > wlimit - q) {
+		ss->copy_left = b;
+		ss->copy_data = -1;
+		goto top;
+	    }
+	    memcpy(q + 1, p + 1, b);
+	    p += b;
+	    q += b;
+	} else if (b == 128) {	/* end of data */
+	    if (ss->EndOfData) {
+		status = EOFC;
+		break;
+	    }
+	} else if (p == rlimit) {
+	    p--;
+	    break;
+	} else if ((b = 257 - b) > wlimit - q) {
+	    ss->copy_left = b;
+	    ss->copy_data = *++p;
+	    goto top;
+	} else {
+	    memset(q + 1, *++p, b);
+	    q += b;
+	}
+    }
+x:  pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_RLD_template = {
+    &st_RLD_state, s_RLD_init, s_RLD_process, 1, 1, NULL,
+    s_RLD_set_defaults
+};
diff --git a/pstoraster/srle.c b/pstoraster/srle.c
new file mode 100644
index 000000000..58476e091
--- /dev/null
+++ b/pstoraster/srle.c
@@ -0,0 +1,203 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* RunLengthEncode filter */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "strimpl.h"
+#include "srlx.h"
+
+/* ------ RunLengthEncode ------ */
+
+private_st_RLE_state();
+
+/* Set defaults */
+private void
+s_RLE_set_defaults(stream_state * st)
+{
+    stream_RLE_state *const ss = (stream_RLE_state *) st;
+
+    s_RLE_set_defaults_inline(ss);
+}
+
+/* Initialize */
+private int
+s_RLE_init(stream_state * st)
+{
+    stream_RLE_state *const ss = (stream_RLE_state *) st;
+
+    return s_RLE_init_inline(ss);
+}
+
+/* Process a buffer */
+private int
+s_RLE_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_RLE_state *const ss = (stream_RLE_state *) st;
+    register const byte *p = pr->ptr;
+    register byte *q = pw->ptr;
+    const byte *rlimit = pr->limit;
+    byte *wlimit = pw->limit;
+    int status = 0;
+    ulong rleft = ss->record_left;
+
+    /*
+     * We thought that the Genoa CET demands that the output from this
+     * filter be not just legal, but optimal, so we went to the trouble
+     * of ensuring this.  It turned out that this wasn't actually
+     * necessary, but we didn't want to change the code back.
+     *
+     * For optimal output, we can't just break runs at buffer
+     * boundaries: unless we hit a record boundary or the end of the
+     * input, we have to look ahead far enough to know that we aren't
+     * breaking a run prematurely.
+     */
+
+    /* Check for leftover output. */
+copy:
+    if (ss->copy_left) {
+	uint rcount = rlimit - p;
+	uint wcount = wlimit - q;
+	uint count = ss->copy_left;
+
+	if (rcount < count)
+	    count = rcount;
+	if (wcount < count)
+	    count = wcount;
+	if (rleft < count)
+	    count = rleft;
+	memcpy(q + 1, p + 1, count);
+	pr->ptr = p += count;
+	pw->ptr = q += count;
+	if ((ss->record_left = rleft -= count) == 0)
+	    ss->record_left = rleft = ss->record_size;
+	if ((ss->copy_left -= count) != 0)
+	    return (rcount == 0 ? 0 : 1);
+    }
+    while (p < rlimit) {
+	const byte *beg = p;
+	const byte *p1;
+	uint count = rlimit - p;
+	bool end = last;
+	byte next;
+
+	if (count > rleft)
+	    count = rleft, end = true;
+	if (count > 128)
+	    count = 128, end = true;
+	p1 = p + count - 1;
+	if (count < 3) {
+	    if (!end || count == 0)
+		break;		/* can't look ahead far enough */
+	    if (count == 1) {
+		if (wlimit - q < 2) {
+		    status = 1;
+		    break;
+		}
+		*++q = 0;
+	    } else {		/* count == 2 */
+		if (p[1] == p[2]) {
+		    if (wlimit - q < 2) {
+			status = 1;
+			break;
+		    }
+		    *++q = 255;
+		} else {
+		    if (wlimit - q < 3) {
+			status = 1;
+			break;
+		    }
+		    *++q = 1;
+		    *++q = p[1];
+		}
+	    }
+	    *++q = p1[1];
+	    p = p1 + 1;
+	} else if ((next = p[1]) == p[2] && next == p[3]) {
+	    if (wlimit - q < 2) {
+		status = 1;
+		break;
+	    }
+	    /* Recognize leading repeated byte */
+	    do {
+		p++;
+	    }
+	    while (p < p1 && p[2] == next);
+	    if (p == p1 && !end) {
+		p = beg;	/* need to look ahead further */
+		break;
+	    }
+	    p++;
+	    *++q = (byte) (257 - (p - beg));
+	    *++q = next;
+	} else {
+	    p1--;
+	    while (p < p1 && (p[2] != p[1] || p[3] != p[1]))
+		p++;
+	    if (p == p1) {
+		if (!end) {
+		    p = beg;	/* need to look ahead further */
+		    break;
+		}
+		p += 2;
+	    }
+	    count = p - beg;
+	    if (wlimit - q < count + 1) {
+		p = beg;
+		if (q >= wlimit) {
+		    status = 1;
+		    break;
+		}
+		/* Copy some now and some later. */
+		*++q = count - 1;
+		ss->copy_left = count;
+		goto copy;
+	    }
+	    *++q = count - 1;
+	    memcpy(q + 1, beg + 1, count);
+	    q += count;
+	}
+	rleft -= p - beg;
+	if (rleft == 0)
+	    rleft = ss->record_size;
+    }
+    if (last && status == 0 && ss->EndOfData) {
+	if (q < wlimit)
+	    *++q = 128;
+	else
+	    status = 1;
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    ss->record_left = rleft;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_RLE_template = {
+    &st_RLE_state, s_RLE_init, s_RLE_process, 129, 2, NULL,
+    s_RLE_set_defaults, s_RLE_init
+};
diff --git a/pstoraster/srlx.h b/pstoraster/srlx.h
new file mode 100644
index 000000000..eaf89563a
--- /dev/null
+++ b/pstoraster/srlx.h
@@ -0,0 +1,77 @@
+/* Copyright (C) 1994, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Requires scommon.h; strimpl.h if any templates are referenced */
+
+#ifndef srlx_INCLUDED
+#  define srlx_INCLUDED
+
+/* Common state */
+#define stream_RL_state_common\
+	stream_state_common;\
+	bool EndOfData		/* true if 128 = EOD */
+
+/* RunLengthEncode */
+typedef struct stream_RLE_state_s {
+    stream_RL_state_common;
+    /* The following parameters are set by the client. */
+    ulong record_size;
+    /* The following change dynamically. */
+    ulong record_left;		/* bytes left in current record */
+    int copy_left;		/* # of bytes waiting to be copied */
+} stream_RLE_state;
+
+#define private_st_RLE_state()	/* in srle.c */\
+  gs_private_st_simple(st_RLE_state, stream_RLE_state, "RunLengthEncode state")
+/* We define the initialization procedure here, so that clients */
+/* can avoid a procedure call. */
+#define s_RLE_set_defaults_inline(ss)\
+  ((ss)->EndOfData = true, (ss)->record_size = 0)
+#define s_RLE_init_inline(ss)\
+  ((ss)->record_left =\
+   ((ss)->record_size == 0 ? ((ss)->record_size = max_uint) :\
+    (ss)->record_size),\
+   (ss)->copy_left = 0)
+extern const stream_template s_RLE_template;
+
+/* RunLengthDecode */
+typedef struct stream_RLD_state_s {
+    stream_RL_state_common;
+    /* The following change dynamically. */
+    int copy_left;		/* # of output bytes waiting to be produced */
+    int copy_data;		/* -1 if copying, repeated byte if repeating */
+} stream_RLD_state;
+
+#define private_st_RLD_state()	/* in srld.c */\
+  gs_private_st_simple(st_RLD_state, stream_RLD_state, "RunLengthDecode state")
+/* We define the initialization procedure here, so that clients */
+/* can avoid a procedure call. */
+#define s_RLD_set_defaults_inline(ss)\
+  ((ss)->EndOfData = true)
+#define s_RLD_init_inline(ss)\
+  ((ss)->copy_left = 0)
+extern const stream_template s_RLD_template;
+
+#endif /* srlx_INCLUDED */
diff --git a/pstoraster/sstring.c b/pstoraster/sstring.c
new file mode 100644
index 000000000..f08d5757e
--- /dev/null
+++ b/pstoraster/sstring.c
@@ -0,0 +1,464 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* String and hexstring streams (filters) */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "string_.h"
+#include "strimpl.h"
+#include "sstring.h"
+#include "scanchar.h"
+
+/* ------ ASCIIHexEncode ------ */
+
+private_st_AXE_state();
+
+/* Initialize the state */
+private int
+s_AXE_init(stream_state * st)
+{
+    stream_AXE_state *const ss = (stream_AXE_state *) st;
+
+    return s_AXE_init_inline(ss);
+}
+
+/* Process a buffer */
+private int
+s_AXE_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_AXE_state *const ss = (stream_AXE_state *) st;
+    const byte *p = pr->ptr;
+    byte *q = pw->ptr;
+    int rcount = pr->limit - p;
+    int wcount = pw->limit - q;
+    int count;
+    int pos = ss->count;
+    const char *hex_digits = "0123456789abcdef";
+    int status = 0;
+
+    if (last)
+	wcount--;		/* leave room for '>' */
+    wcount -= (wcount + 64) / 65;	/* leave room for \n */
+    wcount >>= 1;		/* 2 chars per input byte */
+    count = (wcount < rcount ? (status = 1, wcount) : rcount);
+    while (--count >= 0) {
+	*++q = hex_digits[*++p >> 4];
+	*++q = hex_digits[*p & 0xf];
+	if (!(++pos & 31) && (count != 0 || !last))
+	    *++q = '\n';
+    }
+    if (last && status == 0)
+	*++q = '>';
+    pr->ptr = p;
+    pw->ptr = q;
+    ss->count = pos & 31;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_AXE_template =
+{&st_AXE_state, s_AXE_init, s_AXE_process, 1, 3
+};
+
+/* ------ ASCIIHexDecode ------ */
+
+private_st_AXD_state();
+
+/* Initialize the state */
+private int
+s_AXD_init(stream_state * st)
+{
+    stream_AXD_state *const ss = (stream_AXD_state *) st;
+
+    return s_AXD_init_inline(ss);
+}
+
+/* Process a buffer */
+private int
+s_AXD_process(stream_state * st, stream_cursor_read * pr,
+	      stream_cursor_write * pw, bool last)
+{
+    stream_AXD_state *const ss = (stream_AXD_state *) st;
+    int code = s_hex_process(pr, pw, &ss->odd, hex_ignore_whitespace);
+
+    switch (code) {
+	case 0:
+	    if (ss->odd >= 0 && last) {
+		if (pw->ptr == pw->limit)
+		    return 1;
+		*++(pw->ptr) = ss->odd << 4;
+	    }
+	    /* falls through */
+	case 1:
+	    /* We still need to read ahead and check for EOD. */
+	    for (; pr->ptr < pr->limit; pr->ptr++)
+		if (scan_char_decoder[pr->ptr[1]] != ctype_space) {
+		    if (pr->ptr[1] == '>') {
+			pr->ptr++;
+			goto eod;
+		    }
+		    return 1;
+		}
+	    return 0;		/* still need to scan ahead */
+	default:
+	    return code;
+	case ERRC:
+	    ;
+    }
+    /*
+     * Check for EOD.  ERRC implies at least one more character
+     * was read; we must unread it, since the caller might have
+     * invoked the filter with exactly the right count to read all
+     * the available data, and we might be reading past the end.
+     */
+    if (*pr->ptr != '>') {	/* EOD */
+	--(pr->ptr);
+	return ERRC;
+    }
+  eod:if (ss->odd >= 0) {
+	if (pw->ptr == pw->limit)
+	    return 1;
+	*++(pw->ptr) = ss->odd << 4;
+    }
+    return EOFC;
+}
+
+/* Stream template */
+const stream_template s_AXD_template =
+{&st_AXD_state, s_AXD_init, s_AXD_process, 2, 1
+};
+
+/* ------ PSStringEncode ------ */
+
+/* Process a buffer */
+private int
+s_PSSE_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    int status = 0;
+
+    /* This doesn't have to be very efficient. */
+    while (p < rlimit) {
+	int c = *++p;
+
+	if (c < 32 || c >= 127) {
+	    const char *pesc;
+	    const char *const esc = "\n\r\t\b\f";
+
+	    if (c < 32 && c != 0 && (pesc = strchr(esc, c)) != 0) {
+		if (wlimit - q < 2) {
+		    --p;
+		    status = 1;
+		    break;
+		}
+		*++q = '\\';
+		*++q = "nrtbf"[pesc - esc];
+		continue;
+	    }
+	    if (wlimit - q < 4) {
+		--p;
+		status = 1;
+		break;
+	    }
+	    q[1] = '\\';
+	    q[2] = (c >> 6) + '0';
+	    q[3] = ((c >> 3) & 7) + '0';
+	    q[4] = (c & 7) + '0';
+	    q += 4;
+	    continue;
+	} else if (c == '(' || c == ')' || c == '\\') {
+	    if (wlimit - q < 2) {
+		--p;
+		status = 1;
+		break;
+	    }
+	    *++q = '\\';
+	} else {
+	    if (q == wlimit) {
+		--p;
+		status = 1;
+		break;
+	    }
+	}
+	*++q = c;
+    }
+    if (last && status == 0) {
+	if (q == wlimit)
+	    status = 1;
+	else
+	    *++q = ')';
+    }
+    pr->ptr = p;
+    pw->ptr = q;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_PSSE_template =
+{&st_stream_state, NULL, s_PSSE_process, 1, 4
+};
+
+/* ------ PSStringDecode ------ */
+
+private_st_PSSD_state();
+
+/* Initialize the state */
+private int
+s_PSSD_init(stream_state * st)
+{
+    stream_PSSD_state *const ss = (stream_PSSD_state *) st;
+
+    return s_PSSD_init_inline(ss);
+}
+
+/* Process a buffer */
+private int
+s_PSSD_process(stream_state * st, stream_cursor_read * pr,
+	       stream_cursor_write * pw, bool last)
+{
+    stream_PSSD_state *const ss = (stream_PSSD_state *) st;
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    int status = 0;
+    int c;
+
+#define check_p(n)\
+  if ( p == rlimit ) { p -= n; goto out; }
+#define check_q(n)\
+  if ( q == wlimit ) { p -= n; status = 1; goto out; }
+    while (p < rlimit) {
+	c = *++p;
+	if (c == '\\' && !ss->from_string) {
+	    check_p(1);
+	    switch ((c = *++p)) {
+		case 'n':
+		    c = '\n';
+		    goto put;
+		case 'r':
+		    c = '\r';
+		    goto put;
+		case 't':
+		    c = '\t';
+		    goto put;
+		case 'b':
+		    c = '\b';
+		    goto put;
+		case 'f':
+		    c = '\f';
+		    goto put;
+		default:	/* ignore the \ */
+		  put:check_q(2);
+		    *++q = c;
+		    continue;
+		case char_CR:	/* ignore, check for following \n */
+		    check_p(2);
+		    if (p[1] == char_EOL)
+			p++;
+		    continue;
+		case char_EOL:	/* ignore */
+		    continue;
+		case '0':
+		case '1':
+		case '2':
+		case '3':
+		case '4':
+		case '5':
+		case '6':
+		case '7':
+		    {
+			int d;
+
+			check_p(2);
+			d = p[1];
+			c -= '0';
+			if (d >= '0' && d <= '7') {
+			    if (p + 1 == rlimit) {
+				p -= 2;
+				goto out;
+			    }
+			    check_q(2);
+			    c = (c << 3) + d - '0';
+			    d = p[2];
+			    if (d >= '0' && d <= '7') {
+				c = (c << 3) + d - '0';
+				p += 2;
+			    } else
+				p++;
+			} else
+			    check_q(2);
+			*++q = c;
+			continue;
+		    }
+	    }
+	} else
+	    switch (c) {
+		case '(':
+		    check_q(1);
+		    ss->depth++;
+		    break;
+		case ')':
+		    if (ss->depth == 0) {
+			status = EOFC;
+			goto out;
+		    }
+		    check_q(1);
+		    ss->depth--;
+		    break;
+		case char_CR:	/* convert to \n */
+		    check_p(1);
+		    check_q(1);
+		    if (p[1] == char_EOL)
+			p++;
+		    *++q = '\n';
+		    continue;
+		case char_EOL:
+		    c = '\n';
+		default:
+		    check_q(1);
+		    break;
+	    }
+	*++q = c;
+    }
+#undef check_p
+#undef check_q
+  out:pr->ptr = p;
+    pw->ptr = q;
+    if (last && status == 0 && p != rlimit)
+	status = ERRC;
+    return status;
+}
+
+/* Stream template */
+const stream_template s_PSSD_template =
+{&st_PSSD_state, s_PSSD_init, s_PSSD_process, 4, 1
+};
+
+/* ------ Utilities ------ */
+
+/*
+ * Convert hex data to binary.  Return 1 if we filled the string, 0 if
+ * we ran out of input data before filling the string, or ERRC on error.
+ * The caller must set *odd_digit to -1 before the first call;
+ * after each call, if an odd number of hex digits has been read (total),
+ * *odd_digit is the odd digit value, otherwise *odd_digit = -1.
+ * See strimpl.h for the definition of syntax.
+ */
+int
+s_hex_process(stream_cursor_read * pr, stream_cursor_write * pw,
+	      int *odd_digit, hex_syntax syntax)
+{
+    const byte *p = pr->ptr;
+    const byte *rlimit = pr->limit;
+    byte *q = pw->ptr;
+    byte *wlimit = pw->limit;
+    byte *q0 = q;
+    byte val1 = (byte) * odd_digit;
+    byte val2;
+    uint rcount;
+    byte *flimit;
+    const byte *const decoder = scan_char_decoder;
+    int code = 0;
+
+    if (q >= wlimit)
+	return 1;
+    if (val1 <= 0xf)
+	goto d2;
+  d1:if ((rcount = (rlimit - p) >> 1) == 0)
+	goto x1;
+    /* Set up a fast end-of-loop check, so we don't have to test */
+    /* both p and q against their respective limits. */
+    flimit = (rcount < wlimit - q ? q + rcount : wlimit);
+  f1:if ((val1 = decoder[p[1]]) <= 0xf &&
+	(val2 = decoder[p[2]]) <= 0xf
+	) {
+	p += 2;
+	*++q = (val1 << 4) + val2;
+	if (q < flimit)
+	    goto f1;
+	if (q >= wlimit)
+	    goto px;
+    }
+  x1:if (p >= rlimit)
+	goto end1;
+    if ((val1 = decoder[*++p]) > 0xf) {
+	if (val1 == ctype_space) {
+	    switch (syntax) {
+		case hex_ignore_whitespace:
+		    goto x1;
+		case hex_ignore_leading_whitespace:
+		    if (q == q0 && *odd_digit < 0)
+			goto x1;
+		    --p;
+		    code = 1;
+		    goto end1;
+		case hex_ignore_garbage:
+		    goto x1;
+	    }
+	} else if (syntax == hex_ignore_garbage)
+	    goto x1;
+	code = ERRC;
+	goto end1;
+    }
+  d2:if (p >= rlimit) {
+	*odd_digit = val1;
+	goto ended;
+    }
+    if ((val2 = decoder[*++p]) > 0xf) {
+	if (val2 == ctype_space)
+	    switch (syntax) {
+		case hex_ignore_whitespace:
+		    goto d2;
+		case hex_ignore_leading_whitespace:
+		    if (q == q0)
+			goto d2;
+		    --p;
+		    *odd_digit = val1;
+		    code = 1;
+		    goto ended;
+		case hex_ignore_garbage:	/* pacify compilers */
+		    ;
+	    }
+	if (syntax == hex_ignore_garbage)
+	    goto d2;
+	*odd_digit = val1;
+	code = ERRC;
+	goto ended;
+    }
+    *++q = (val1 << 4) + val2;
+    if (q < wlimit)
+	goto d1;
+  px:code = 1;
+  end1:*odd_digit = -1;
+  ended:pr->ptr = p;
+    pw->ptr = q;
+    return code;
+}
diff --git a/pstoraster/sstring.h b/pstoraster/sstring.h
new file mode 100644
index 000000000..c0618e367
--- /dev/null
+++ b/pstoraster/sstring.h
@@ -0,0 +1,79 @@
+/* Copyright (C) 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* are referenced, but some compilers always require strimpl.h. */
+
+#ifndef sstring_INCLUDED
+#  define sstring_INCLUDED
+
+/* ASCIIHexEncode */
+typedef struct stream_AXE_state_s {
+    stream_state_common;
+    int count;			/* # of digits since last EOL */
+} stream_AXE_state;
+
+#define private_st_AXE_state()	/* in sstring.c */\
+  gs_private_st_simple(st_AXE_state, stream_AXE_state,\
+    "ASCIIHexEncode state")
+#define s_AXE_init_inline(ss)\
+  ((ss)->count = 0)
+extern const stream_template s_AXE_template;
+
+/* ASCIIHexDecode */
+typedef struct stream_AXD_state_s {
+    stream_state_common;
+    int odd;			/* odd digit */
+} stream_AXD_state;
+
+#define private_st_AXD_state()	/* in sstring.c */\
+  gs_private_st_simple(st_AXD_state, stream_AXD_state,\
+    "ASCIIHexDecode state")
+#define s_AXD_init_inline(ss)\
+  ((ss)->odd = -1, 0)
+extern const stream_template s_AXD_template;
+
+/* PSStringDecode */
+typedef struct stream_PSSD_state_s {
+    stream_state_common;
+    /* The following are set by the client. */
+    bool from_string;		/* true if using Level 1 \ convention */
+    /* The following change dynamically. */
+    int depth;
+} stream_PSSD_state;
+
+#define private_st_PSSD_state()	/* in sstring.c */\
+  gs_private_st_simple(st_PSSD_state, stream_PSSD_state,\
+    "PSStringDecode state")
+/* We define the initialization procedure here, so that the scanner */
+/* can avoid a procedure call. */
+#define s_PSSD_init_inline(ss)\
+  ((ss)->depth = 0)
+extern const stream_template s_PSSD_template;
+
+/* PSStringEncode */
+/* (no state) */
+extern const stream_template s_PSSE_template;
+
+#endif /* sstring_INCLUDED */
diff --git a/pstoraster/stat_.h b/pstoraster/stat_.h
new file mode 100644
index 000000000..dbc04eef5
--- /dev/null
+++ b/pstoraster/stat_.h
@@ -0,0 +1,62 @@
+/* Copyright (C) 1991, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix sys/stat.h */
+
+#ifndef stat__INCLUDED
+#  define stat__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+#include <sys/stat.h>
+
+/*
+ * Many environments, including the MS-DOS compilers, don't define
+ * the st_blocks member of a stat structure.
+ */
+#if defined(__SVR3) || defined(__EMX__) || defined(__DVX__) || defined(OSK) || defined(__MSDOS__) || defined(__QNX__) || defined(VMS) || defined(__WIN32__) || defined(__IBMC__) || defined(__BEOS__) || defined(Plan9)
+#  define stat_blocks(psbuf) (((psbuf)->st_size + 1023) >> 10)
+#else
+#  define stat_blocks(psbuf) ((psbuf)->st_blocks)
+#endif
+
+/*
+ * Microsoft C uses _stat instead of stat,
+ * for both the function name and the structure name.
+ */
+#ifdef _MSC_VER
+#  define stat _stat
+#endif
+
+/*
+ * Some (System V?) systems test for directories in a slightly different way.
+ */
+#if defined(OSK) || !defined(S_ISDIR)
+#  define stat_is_dir(stbuf) ((stbuf).st_mode & S_IFDIR)
+#else
+#  define stat_is_dir(stbuf) S_ISDIR((stbuf).st_mode)
+#endif
+
+#endif /* stat__INCLUDED */
diff --git a/pstoraster/std.h b/pstoraster/std.h
new file mode 100644
index 000000000..503805252
--- /dev/null
+++ b/pstoraster/std.h
@@ -0,0 +1,261 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Standard definitions for Aladdin Enterprises code */
+
+#ifndef std_INCLUDED
+#  define std_INCLUDED
+
+#include "stdpre.h"
+
+/* Include the architecture definitions. */
+#include "arch.h"
+
+/* Define integer data type sizes in terms of log2s. */
+#define arch_sizeof_short (1 << arch_log2_sizeof_short)
+#define arch_sizeof_int (1 << arch_log2_sizeof_int)
+#define arch_sizeof_long (1 << arch_log2_sizeof_long)
+#define arch_ints_are_short (arch_sizeof_int == arch_sizeof_short)
+
+/* Define whether we are on a large- or small-memory machine. */
+/* Currently, we assume small memory and 16-bit ints are synonymous. */
+#define arch_small_memory (arch_sizeof_int <= 2)
+
+/* Define unsigned 16- and 32-bit types.  These are needed in */
+/* a surprising number of places that do bit manipulation. */
+#if arch_sizeof_short == 2	/* no plausible alternative! */
+typedef ushort bits16;
+
+#endif
+#if arch_sizeof_int == 4
+typedef uint bits32;
+
+#else
+# if arch_sizeof_long == 4
+typedef ulong bits32;
+
+# endif
+#endif
+
+/* Minimum and maximum values for the signed types. */
+/* Avoid casts, to make them acceptable to strict ANSI compilers. */
+#define min_short (-1 << (arch_sizeof_short * 8 - 1))
+#define max_short (~min_short)
+#define min_int (-1 << (arch_sizeof_int * 8 - 1))
+#define max_int (~min_int)
+#define min_long (-1L << (arch_sizeof_long * 8 - 1))
+#define max_long (~min_long)
+
+/*
+ * The maximum values for the unsigned types are defined in arch.h,
+ * because so many compilers handle unsigned constants wrong.
+ * In particular, most of the DEC VMS compilers incorrectly sign-extend
+ * short unsigned constants (but not short unsigned variables) when
+ * widening them to longs.  We program around this on a case-by-case basis.
+ * Some compilers don't truncate constants when they are cast down.
+ * The UTek compiler does special weird things of its own.
+ * All the rest (including gcc on all platforms) do the right thing.
+ */
+#define max_uchar arch_max_uchar
+#define max_ushort arch_max_ushort
+#define max_uint arch_max_uint
+#define max_ulong arch_max_ulong
+
+/* Minimum and maximum values for pointers. */
+#if arch_ptrs_are_signed
+#  define min_ptr min_long
+#  define max_ptr max_long
+#else
+#  define min_ptr ((ulong)0)
+#  define max_ptr max_ulong
+#endif
+
+/* Define a reliable arithmetic right shift. */
+/* Must use arith_rshift_1 for a shift by a literal 1. */
+#define arith_rshift_slow(x,n) ((x) < 0 ? ~(~(x) >> (n)) : (x) >> (n))
+#if arch_arith_rshift == 2
+#  define arith_rshift(x,n) ((x) >> (n))
+#  define arith_rshift_1(x) ((x) >> 1)
+#else
+#if arch_arith_rshift == 1	/* OK except for n=1 */
+#  define arith_rshift(x,n) ((x) >> (n))
+#  define arith_rshift_1(x) arith_rshift_slow(x,1)
+#else
+#  define arith_rshift(x,n) arith_rshift_slow(x,n)
+#  define arith_rshift_1(x) arith_rshift_slow(x,1)
+#endif
+#endif
+
+/*
+ * Standard error printing macros.
+ * Use dprintf for messages that just go to dstderr;
+ * dlprintf for messages to dsterr with optional with file name (and,
+ * if available, line number);
+ * eprintf for error messages to estderr that include the program name;
+ * lprintf for debugging messages that should include line number info.
+ * Since we intercept fprintf to redirect output under MS Windows,
+ * we have to define dputc and dputs in terms of fprintf also.
+ */
+
+/*
+ * We would prefer not to include stdio.h here, but we need it for
+ * the FILE * argument of the printing procedures.
+ */
+#include <stdio.h>
+
+/* dstderr and estderr may be redefined. */
+#define dstderr stderr
+#define estderr stderr
+
+/* Print the program line # for debugging. */
+#if __LINE__			/* compiler provides it */
+void dprintf_file_and_line(P3(FILE *, const char *, int));
+
+#  define _dpl dprintf_file_and_line(estderr, __FILE__, __LINE__),
+#else
+void dprintf_file_only(P2(FILE *, const char *));
+
+#  define _dpl dprintf_file_only(estderr, __FILE__),
+#endif
+
+#define dputc(chr) dprintf1("%c", chr)
+#define dlputc(chr) dlprintf1("%c", chr)
+#define dputs(str) dprintf1("%s", str)
+#define dlputs(str) dlprintf1("%s", str)
+#define dprintf(str)\
+  fprintf(dstderr, str)
+#define dlprintf(str)\
+  (_dpl dprintf(str))
+#define dprintf1(str,arg1)\
+  fprintf(dstderr, str, arg1)
+#define dlprintf1(str,arg1)\
+  (_dpl dprintf1(str, arg1))
+#define dprintf2(str,arg1,arg2)\
+  fprintf(dstderr, str, arg1, arg2)
+#define dlprintf2(str,arg1,arg2)\
+  (_dpl dprintf2(str, arg1, arg2))
+#define dprintf3(str,arg1,arg2,arg3)\
+  fprintf(dstderr, str, arg1, arg2, arg3)
+#define dlprintf3(str,arg1,arg2,arg3)\
+  (_dpl dprintf3(str, arg1, arg2, arg3))
+#define dprintf4(str,arg1,arg2,arg3,arg4)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4)
+#define dlprintf4(str,arg1,arg2,arg3,arg4)\
+  (_dpl dprintf4(str, arg1, arg2, arg3, arg4))
+#define dprintf5(str,arg1,arg2,arg3,arg4,arg5)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5)
+#define dlprintf5(str,arg1,arg2,arg3,arg4,arg5)\
+  (_dpl dprintf5(str, arg1, arg2, arg3, arg4, arg5))
+#define dprintf6(str,arg1,arg2,arg3,arg4,arg5,arg6)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6)
+#define dlprintf6(str,arg1,arg2,arg3,arg4,arg5,arg6)\
+  (_dpl dprintf6(str, arg1, arg2, arg3, arg4, arg5, arg6))
+#define dprintf7(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
+#define dlprintf7(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7)\
+  (_dpl dprintf7(str, arg1, arg2, arg3, arg4, arg5, arg6, arg7))
+#define dprintf8(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8)
+#define dlprintf8(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8)\
+  (_dpl dprintf8(str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8))
+#define dprintf9(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9)
+#define dlprintf9(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9)\
+  (_dpl dprintf9(str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9))
+#define dprintf10(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10)
+#define dlprintf10(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10)\
+  (_dpl dprintf10(str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10))
+#define dprintf11(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11)
+#define dlprintf11(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)\
+  (_dpl dprintf11(str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11))
+#define dprintf12(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,arg12)\
+  fprintf(dstderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12)
+#define dlprintf12(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,arg12)\
+  (_dpl dprintf12(str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12))
+
+void eprintf_program_name(P2(FILE *, const char *));
+const char *gs_program_name(P0());
+
+#define _epn eprintf_program_name(estderr, gs_program_name()),
+
+#define eprintf(str)\
+  (_epn fprintf(estderr, str))
+#define eprintf1(str,arg1)\
+  (_epn fprintf(estderr, str, arg1))
+#define eprintf2(str,arg1,arg2)\
+  (_epn fprintf(estderr, str, arg1, arg2))
+#define eprintf3(str,arg1,arg2,arg3)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3))
+#define eprintf4(str,arg1,arg2,arg3,arg4)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4))
+#define eprintf5(str,arg1,arg2,arg3,arg4,arg5)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5))
+#define eprintf6(str,arg1,arg2,arg3,arg4,arg5,arg6)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6))
+#define eprintf7(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7))
+#define eprintf8(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8))
+#define eprintf9(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9))
+#define eprintf10(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10)\
+  (_epn fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10))
+
+#if __LINE__			/* compiler provides it */
+void lprintf_file_and_line(P3(FILE *, const char *, int));
+
+#  define _epl _epn lprintf_file_and_line(estderr, __FILE__, __LINE__),
+#else
+void lprintf_file_only(P2(FILE *, const char *));
+
+#  define _epl _epn lprintf_file_only(estderr, __FILE__)
+#endif
+
+#define lprintf(str)\
+  (_epl fprintf(estderr, str))
+#define lprintf1(str,arg1)\
+  (_epl fprintf(estderr, str, arg1))
+#define lprintf2(str,arg1,arg2)\
+  (_epl fprintf(estderr, str, arg1, arg2))
+#define lprintf3(str,arg1,arg2,arg3)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3))
+#define lprintf4(str,arg1,arg2,arg3,arg4)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4))
+#define lprintf5(str,arg1,arg2,arg3,arg4,arg5)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5))
+#define lprintf6(str,arg1,arg2,arg3,arg4,arg5,arg6)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6))
+#define lprintf7(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7))
+#define lprintf8(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8))
+#define lprintf9(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9))
+#define lprintf10(str,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10)\
+  (_epl fprintf(estderr, str, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10))
+
+#endif /* std_INCLUDED */
diff --git a/pstoraster/stdio_.h b/pstoraster/stdio_.h
new file mode 100644
index 000000000..7b2088bbb
--- /dev/null
+++ b/pstoraster/stdio_.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1992, 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for stdio.h */
+
+#ifndef stdio__INCLUDED
+#  define stdio__INCLUDED
+
+/*
+ * This is here primarily because we must include std.h before
+ * any file that includes sys/types.h.
+ */
+#include "std.h"
+#include <stdio.h>
+
+#ifdef VMS
+/* VMS doesn't have the unlink system call.  Use delete instead. */
+#  ifdef __DECC
+#    include <unixio.h>
+#  endif
+#  define unlink(fname) delete(fname)
+#else
+/*
+ * Other systems may or may not declare unlink in stdio.h;
+ * if they do, the declaration will be compatible with this one.
+ */
+int unlink(P1(const char *));
+
+#endif
+
+/*
+ * Plan 9 has a system function called sclose, which interferes with the
+ * procedure defined in stream.h.  The following makes the system sclose
+ * inaccessible, but avoids the name clash.
+ */
+#ifdef Plan9
+#  undef sclose
+#  define sclose(s) Sclose(s)
+#endif
+
+/* Patch a couple of things possibly missing from stdio.h. */
+#ifndef SEEK_SET
+#  define SEEK_SET 0
+#endif
+#ifndef SEEK_CUR
+#  define SEEK_CUR 1
+#endif
+#ifndef SEEK_END
+#  define SEEK_END 2
+#endif
+
+#endif /* stdio__INCLUDED */
diff --git a/pstoraster/stdpre.h b/pstoraster/stdpre.h
new file mode 100644
index 000000000..e7bce6d03
--- /dev/null
+++ b/pstoraster/stdpre.h
@@ -0,0 +1,422 @@
+/*
+  Copyright 2001 by Easy Software Products.
+  Copyright 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Standard definitions for Aladdin Enterprises code not needing arch.h */
+
+#ifndef stdpre_INCLUDED
+#  define stdpre_INCLUDED
+
+/*
+ * Here we deal with the vagaries of various C compilers.  We assume that:
+ *      ANSI-standard Unix compilers define __STDC__.
+ *      gcc defines __GNUC__.
+ *      Borland Turbo C and Turbo C++ define __MSDOS__ and __TURBOC__.
+ *      Borland C++ defines __BORLANDC__, __MSDOS__, and __TURBOC__.
+ *      Microsoft C/C++ defines _MSC_VER and _MSDOS.
+ *      Watcom C defines __WATCOMC__ and MSDOS.
+ *      MetroWerks C defines __MWERKS__.
+ *
+ * We arrange to define __MSDOS__ on all the MS-DOS platforms.
+ */
+#if (defined(MSDOS) || defined(_MSDOS)) && !defined(__MSDOS__)
+#  define __MSDOS__
+#endif
+/*
+ * Also, not used much here, but used in other header files, we assume:
+ *      Unix System V environments define SYSV.
+ *      The SCO ODT compiler defines M_SYSV and M_SYS3.
+ *      VMS systems define VMS.
+ *      OSF/1 compilers define __osf__ or __OSF__.
+ *        (The VMS and OSF/1 C compilers handle prototypes and const,
+ *        but do not define __STDC__.)
+ *      bsd 4.2 or 4.3 systems define BSD4_2.
+ *      POSIX-compliant environments define _POSIX_SOURCE.
+ *      Motorola 88K BCS/OCS systems defined m88k.
+ *
+ * We make fairly heroic efforts to confine all uses of these flags to
+ * header files, and never to use them in code.
+ */
+#if defined(__osf__) && !defined(__OSF__)
+#  define __OSF__		/* */
+#endif
+#if defined(M_SYSV) && !defined(SYSV)
+#  define SYSV			/* */
+#endif
+#if defined(M_SYS3) && !defined(__SVR3)
+#  define __SVR3		/* */
+#endif
+
+#if defined(__STDC__) || defined(__MSDOS__) || defined(__convex__) || defined(VMS) || defined(__OSF__) || defined(__WIN32__) || defined(__IBMC__) || defined(M_UNIX) || defined(__GNUC__) || defined(__BORLANDC__)
+# if !(defined(M_XENIX) && !defined(__GNUC__))	/* SCO Xenix cc is broken */
+#  define __PROTOTYPES__	/* */
+# endif
+#endif
+
+/* Define dummy values for __FILE__ and __LINE__ if the compiler */
+/* doesn't provide these.  Note that places that use __FILE__ */
+/* must check explicitly for a null pointer. */
+#ifndef __FILE__
+#  define __FILE__ NULL
+#endif
+#ifndef __LINE__
+#  define __LINE__ 0
+#endif
+
+/* Disable 'const' and 'volatile' if the compiler can't handle them. */
+#ifndef __PROTOTYPES__
+#  undef const
+#  define const			/* */
+#  undef volatile
+#  define volatile		/* */
+#endif
+
+/* Disable 'inline' if the compiler can't handle it. */
+#ifdef __DECC
+#  undef inline
+#  define inline __inline
+#else
+#  if !(defined(__GNUC__) || defined(__MWERKS__) || defined(inline))
+#    define inline		/* */
+#  endif
+#endif
+
+/*
+ * Some compilers give a warning if a function call that returns a value
+ * is used as a statement; a few compilers give an error for the construct
+ * (void)0, which is contrary to the ANSI standard.  Since we don't know of
+ * any compilers that do both, we define a macro here for discarding
+ * the value of an expression statement, which can be defined as either
+ * including or not including the cast.  (We don't conditionalize this here,
+ * because no commercial compiler gives the error on (void)0, although
+ * some give warnings.)
+ */
+#define discard(expr) ((void)(expr))
+
+/*
+ * The SVR4.2 C compiler incorrectly considers the result of << and >>
+ * to be unsigned if the left operand is signed and the right operand is
+ * unsigned.  We believe this only causes trouble in Ghostscript code when
+ * the right operand is a sizeof(...), which is unsigned for this compiler.
+ * Therefore, we replace the relevant uses of sizeof with size_of:
+ */
+#define size_of(x) ((int)(sizeof(x)))
+
+/*
+ * Disable MS-DOS specialized pointer types on non-MS-DOS systems.
+ * Watcom C defines near, far, and huge as macros, so we must undef them.
+ * far_data is used for static data that must get its own segment.
+ * This is supported in Borland C++, but none of the others.
+ */
+#undef far_data
+#if defined(__TURBOC__) && !defined(__WIN32__)
+#  ifdef __BORLANDC__
+#    define far_data far
+#  else
+#    define far_data		/* */
+#  endif
+#else
+#  undef near
+#  define near			/* */
+#  undef far
+#  define far			/* */
+#  define far_data		/* */
+#  undef huge
+#  define huge			/* */
+#  define _cs			/* */
+#  define _ds			/* */
+/* _es is never safe to use */
+#  define _ss			/* */
+#endif
+
+/* Get the size of a statically declared array. */
+#define countof(a) (sizeof(a) / sizeof((a)[0]))
+#define count_of(a) (size_of(a) / size_of((a)[0]))
+
+/*
+ * Get the offset of a structure member.  Amazingly enough, the simpler
+ * definition works on all compilers except for one broken MIPS compiler
+ * and the IBM RS/6000.  Unfortunately, because of these two compilers,
+ * we have to use the more complex definition.  Even more unfortunately,
+ * the more complex definition doesn't work on the MetroWerks
+ * CodeWarrior compiler (Macintosh and BeOS).
+ */
+#ifdef __MWERKS__
+#define offset_of(type, memb)\
+ ((int) &((type *) 0)->memb)
+#else
+#define offset_of(type, memb)\
+ ((int) ( (char *)&((type *)0)->memb - (char *)((type *)0) ))
+#endif
+
+/*
+ * Get the alignment of a pointer modulo a given power of 2.
+ * There is no portable way to do this, but the following definition
+ * works on all reasonable systems.
+ */
+#define alignment_mod(ptr, modu)\
+  ((uint)( ((const char *)(ptr) - (const char *)0) & ((modu) - 1) ))
+
+/* Define short names for the unsigned types. */
+typedef unsigned char byte;
+typedef unsigned char uchar;
+typedef unsigned short ushort;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+
+/* Since sys/types.h often defines one or more of these (depending on */
+/* the platform), we have to take steps to prevent name clashes. */
+/*** NOTE: This requires that you include std.h *before* any other ***/
+/*** header file that includes sys/types.h. ***/
+#define bool bool_		/* (maybe not needed) */
+#define uchar uchar_
+#define uint uint_
+#define ushort ushort_
+#define ulong ulong_
+#include <sys/types.h>
+#undef bool
+#undef uchar
+#undef uint
+#undef ushort
+#undef ulong
+
+/*
+ * Define a Boolean type.  Even though we would like it to be
+ * unsigned char, it pretty well has to be int, because
+ * that's what all the relational operators and && and || produce.
+ * We can't make it an enumerated type, because ints don't coerce
+ * freely to enums (although the opposite is true).
+ * Unfortunately, at least some C++ compilers have a built-in bool type,
+ * and the MetroWerks C++ compiler insists that bool be equivalent to
+ * unsigned char.
+ */
+#ifndef __cplusplus
+#ifdef __BEOS__
+typedef unsigned char bool;
+
+#else
+typedef int bool;
+
+#endif
+#endif
+/*
+ * MetroWerks CodeWarrior predefines true and false, probably as 1 and 0.
+ * We need to cancel those definitions for our own code.
+ */
+#undef false
+#define false ((bool)0)
+#undef true
+#define true ((bool)1)
+
+/*
+ * Compilers disagree as to whether macros used in macro arguments
+ * should be expanded at the time of the call, or at the time of
+ * final expansion.  Even authoritative documents disagree: the ANSI
+ * standard says the former, but Harbison and Steele's book says the latter.
+ * In order to work around this discrepancy, we have to do some very
+ * ugly things in a couple of places.  We mention it here because
+ * it might well trip up future developers.
+ */
+
+/*
+ * Define the type to be used for ordering pointers (<, >=, etc.).
+ * The Borland and Microsoft large models only compare the offset part
+ * of segmented pointers.  Semantically, the right type to use for the
+ * comparison is char huge *, but we have no idea how expensive comparing
+ * such pointers is, and any type that compares all the bits of the pointer,
+ * gives the right result for pointers in the same segment, and keeps
+ * different segments disjoint will do.
+ */
+#if defined(__TURBOC__) || defined(_MSC_VER)
+typedef unsigned long ptr_ord_t;
+
+#else
+typedef const char *ptr_ord_t;
+
+#endif
+/* Define all the pointer comparison operations. */
+#define _ptr_cmp(p1, rel, p2)  ((ptr_ord_t)(p1) rel (ptr_ord_t)(p2))
+#define ptr_le(p1, p2) _ptr_cmp(p1, <=, p2)
+#define ptr_lt(p1, p2) _ptr_cmp(p1, <, p2)
+#define ptr_ge(p1, p2) _ptr_cmp(p1, >=, p2)
+#define ptr_gt(p1, p2) _ptr_cmp(p1, >, p2)
+#define ptr_between(ptr, lo, hi)\
+  (ptr_ge(ptr, lo) && ptr_lt(ptr, hi))
+
+/* Define  min and max, but make sure to use the identical definition */
+/* to the one that all the compilers seem to have.... */
+#ifndef min
+#  define min(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+#ifndef max
+#  define max(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+
+/* Define a standard way to round values to a (constant) modulus. */
+#define round_down(value, modulus)\
+  ( (modulus) & ((modulus) - 1) ?	/* not a power of 2 */\
+    (value) - (value) % (modulus) :\
+    (value) & -(modulus) )
+#define round_up(value, modulus)\
+  ( (modulus) & ((modulus) - 1) ?	/* not a power of 2 */\
+    ((value) + ((modulus) - 1)) / (modulus) * (modulus) :\
+    ((value) + ((modulus) - 1)) & -(modulus) )
+
+/*
+ * In pre-ANSI C, float parameters get converted to double.
+ * However, if we pass a float to a function that has been declared
+ * with a prototype, and the parameter has been declared as float,
+ * the ANSI standard specifies that the parameter is left as float.
+ * To avoid problems caused by missing prototypes,
+ * we declare almost all float parameters as double.
+ */
+typedef double floatp;
+
+/*
+ * Because of C's strange insistence that ; is a terminator and not a
+ * separator, compound statements {...} are not syntactically equivalent to
+ * single statements.  Therefore, we define here a compound-statement
+ * construct that *is* syntactically equivalent to a single statement.
+ * Usage is
+ *      BEGIN
+ *        ...statements...
+ *      END
+ */
+/*** MRS: If you didn't treat C like a macro language, maybe this wouldn't
+ ***      be a problem; changed to { and } (which do work) to avoid
+ ***      needless compiler warnings...
+ ***/
+#define BEGIN	{
+#define END	}
+
+/*
+ * Define a handy macro for a statement that does nothing.
+ * We can't just use an empty statement, since this upsets some compilers.
+ */
+/*** MRS: Fix DO_NOTHING to use a void statement.  Again, not using
+ ***      macros makes life easier...
+ ***/
+#ifndef DO_NOTHING
+#  define DO_NOTHING (void)stdout
+#endif
+
+/*
+ * For accountability, debugging, and error messages,
+ * we pass a client identification string to alloc and free,
+ * and possibly other places as well. Define the type for these strings.
+ * The definition used to have a _ds modifier, so we had to coerce
+ * them when passing them to printf at all; this is no longer needed.
+ */
+typedef const char *client_name_t;
+
+#define client_name_string(cname) (cname)
+
+/*
+ * If we are debugging, make all static variables and procedures public
+ * so they get passed through the linker.
+ */
+#define public			/* */
+/*
+ * We separate out the definition of private this way so that
+ * we can temporarily #undef it to handle the X Windows headers,
+ * which define a member named private.
+ */
+#ifdef NOPRIVATE
+# define private_		/* */
+#else
+# define private_ static
+#endif
+#define private private_
+
+/*
+ * Macros for argument templates.  ANSI C has these, as does Turbo C,
+ * but older pcc-derived (K&R) Unix compilers don't.  The syntax is
+ *      resulttype func(Pn(arg1, ..., argn));
+ */
+
+#ifdef __PROTOTYPES__
+# define P0() void
+# define P1(t1) t1
+# define P2(t1,t2) t1,t2
+# define P3(t1,t2,t3) t1,t2,t3
+# define P4(t1,t2,t3,t4) t1,t2,t3,t4
+# define P5(t1,t2,t3,t4,t5) t1,t2,t3,t4,t5
+# define P6(t1,t2,t3,t4,t5,t6) t1,t2,t3,t4,t5,t6
+# define P7(t1,t2,t3,t4,t5,t6,t7) t1,t2,t3,t4,t5,t6,t7
+# define P8(t1,t2,t3,t4,t5,t6,t7,t8) t1,t2,t3,t4,t5,t6,t7,t8
+# define P9(t1,t2,t3,t4,t5,t6,t7,t8,t9) t1,t2,t3,t4,t5,t6,t7,t8,t9
+# define P10(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10
+# define P11(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11
+# define P12(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12
+# define P13(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13
+# define P14(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14
+# define P15(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15
+# define P16(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16) t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16
+#else
+# define P0()			/* */
+# define P1(t1)			/* */
+# define P2(t1,t2)		/* */
+# define P3(t1,t2,t3)		/* */
+# define P4(t1,t2,t3,t4)	/* */
+# define P5(t1,t2,t3,t4,t5)	/* */
+# define P6(t1,t2,t3,t4,t5,t6)	/* */
+# define P7(t1,t2,t3,t4,t5,t6,t7)	/* */
+# define P8(t1,t2,t3,t4,t5,t6,t7,t8)	/* */
+# define P9(t1,t2,t3,t4,t5,t6,t7,t8,t9)		/* */
+# define P10(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10)	/* */
+# define P11(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11)	/* */
+# define P12(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12)	/* */
+# define P13(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13)	/* */
+# define P14(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14)	/* */
+# define P15(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15)	/* */
+# define P16(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16)	/* */
+#endif
+
+/* Define success and failure codes for 'exit'. */
+#ifdef VMS
+#  define exit_OK 1
+#  define exit_FAILED 18
+#else
+#  define exit_OK 0
+#  define exit_FAILED 1
+#endif
+/*
+ * Define the informational exit status.
+ * We need to distinguish information returns because under MS Windows,
+ * they must return like an error so that the text window stays on the
+ * screen, while on other platforms, they must return successfully.
+ * Note that we define both gs_exit_INFO (before platform-specific
+ * mapping of 0 to exit_OK and 1 to exit_FAILED) and exit_INFO.
+ */
+#if defined(_WINDOWS) || defined(_Windows)
+#  define exit_INFO exit_FAILED
+#  define gs_exit_INFO 1
+#else
+#  define exit_INFO exit_OK
+#  define gs_exit_INFO 0
+#endif
+
+#endif /* stdpre_INCLUDED */
diff --git a/pstoraster/store.h b/pstoraster/store.h
new file mode 100644
index 000000000..0488cf974
--- /dev/null
+++ b/pstoraster/store.h
@@ -0,0 +1,250 @@
+/* Copyright (C) 1989, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Assignment-related macros */
+
+#ifndef store_INCLUDED
+#  define store_INCLUDED
+
+#include "ialloc.h"		/* for imemory masks & checks */
+
+/*
+ * Macros for storing a ref.  We use macros for storing into objects,
+ * since the storage manager needs to be able to track stores for
+ * save/restore and also for global/local checking.
+ * We also use macros for other ref assignments, because (as it happens)
+ * Turbo C generates pretty awful code for doing this.
+ *
+ * There are three cases that we need to distinguish:
+ *      - Storing to a stack (no special action);
+ *      - Storing into a newly created object (set l_new);
+ *      - Storing into a slot of an existing object (check l_new in
+ *          old value, set in new value).
+ * The macros are called
+ *      <make/store><new_type><case>(place_to_store, new_value)
+ * where <case> is nothing for storing to the stack, _new for storing into
+ * a new object, and _old for storing into an existing object.
+ * (The _old macros also take a client name for tracing and debugging.)
+ * <new_type> and new_value are chosen from the following alternatives:
+ *      ref_assign      POINTER TO arbitrary ref
+ *      make_t          type (only for null and mark)
+ *      make_tv         type, value field name, value
+ *                        (only for scalars, which don't have attributes)
+ *      make_tav        type, attributes, value field name, value
+ *      make_tasv       type, attributes, size, value field name, value
+ * There are also specialized make_ macros for specific types:
+ *      make_array, make_int, make_real, make_bool, make_false, make_true,
+ *      make_mark, make_null, make_oper, make_[const_]string, make_struct.
+ * Not all of the specialized make_ macros have _new and _old variants.
+ *
+ * For _tav and _tasv, we must store the value first, because sometimes
+ * it depends on the contents of the place being stored into.
+ *
+ * Note that for composite objects (dictionary, file, array, string, device,
+ * struct), we must set a_foreign if the contents are allocated statically
+ * (e.g., for constant C strings) or not by the Ghostscript allocator
+ * (e.g., with malloc).
+ */
+
+/*
+ * Define the most efficient ref assignment macro for the platform.
+ */
+/*
+ * Assigning the components individually is fastest on Turbo C,
+ * and on Watcom C when one or both of the addresses are
+ * already known or in a register.
+ */
+#define ref_assign_inline(pto,pfrom)\
+	((pto)->value = (pfrom)->value,\
+	 (pto)->tas = (pfrom)->tas)
+#ifdef __TURBOC__
+	/*
+	 * Move the data in two 32-bit chunks, because
+	 * otherwise the compiler calls SCOPY@.
+	 * The cast to void is to discourage the compiler from
+	 * wanting to deliver the value of the expression.
+	 */
+#  define ref_assign(pto,pfrom)\
+	discard(ref_assign_inline(pto, pfrom))
+#else
+	/*
+	 * Trust the compiler and hope for the best.
+	 * The MIPS compiler doesn't like the cast to void.
+	 */
+#  define ref_assign(pto,pfrom)\
+	(*(pto) = *(pfrom))
+#endif
+
+/****** NOTE: the following declarations are duplicated from isave.h. ******/
+
+int alloc_save_change(P4(gs_dual_memory_t *, const ref * pcont,
+			 ref_packed * ptr, client_name_t cname));
+int alloc_save_level(P1(const gs_dual_memory_t *));
+
+/****** END duplicated declarations. ******/
+
+#define ialloc_save_change(pcont, ptr, cname)\
+  alloc_save_change(idmemory, pcont, ptr, cname)
+#define ialloc_is_in_save() (idmemory->save_level > 0)
+#define ialloc_test_mask (idmemory->test_mask)
+#define ialloc_new_mask (idmemory->new_mask)
+#define ref_must_save(pto)\
+  ((r_type_attrs(pto) & ialloc_test_mask) == 0)
+#define ref_do_save(pcont, pto, cname)\
+  ialloc_save_change(pcont, (ref_packed *)(pto), cname)
+#define ref_save(pcont, pto, cname)\
+  discard((ref_must_save(pto) ? ref_do_save(pcont, pto, cname) : 0))
+#define ref_mark_new(pto) ((pto)->tas.type_attrs |= ialloc_new_mask)
+#define ref_assign_new(pto,pfrom)\
+  discard((ref_assign(pto,pfrom), ref_mark_new(pto)))
+#define ref_assign_new_inline(pto,pfrom)\
+  discard((ref_assign_inline(pto,pfrom), ref_mark_new(pto)))
+#define ref_assign_old(pcont,pto,pfrom,cname)\
+  (ref_save(pcont,pto,cname), ref_assign_new(pto,pfrom))
+#define ref_assign_old_inline(pcont,pto,pfrom,cname)\
+  (ref_save(pcont,pto,cname), ref_assign_new_inline(pto,pfrom))
+/* ref_mark_old is only needed in very unusual situations, namely, */
+/* when we want to do a ref_save just before a save instead of */
+/* when the actual assignment occurs. */
+#define ref_mark_old(pto) ((pto)->tas.type_attrs &= ~ialloc_new_mask)
+
+/* Define macros for conditionally clearing the parts of a ref */
+/* that aren't being set to anything useful. */
+
+#ifdef DEBUG
+#  define and_fill_s(pref)\
+    , (gs_debug['$'] ? r_set_size(pref, 0xfeed) : 0)
+#  define and_fill_sv(pref)\
+    , (gs_debug['$'] ? (r_set_size(pref, 0xfeed),\
+			(pref)->value.intval = 0xdeadbeef) : 0)
+#else /* !DEBUG */
+#  define and_fill_s(pref)	/* */
+#  define and_fill_sv(pref)	/* */
+#endif
+
+/* make_t must set the attributes to 0 to clear a_local! */
+#define make_t(pref,newtype)\
+  (r_set_type_attrs(pref, newtype, 0) and_fill_sv(pref))
+#define make_t_new(pref,newtype)\
+  (r_set_type_attrs(pref, newtype, ialloc_new_mask) and_fill_sv(pref))
+#define make_t_old(pcont,pref,newtype,cname)\
+  (ref_save(pcont,pref,cname), make_t_new(pref,newtype))
+
+#define make_tav(pref,newtype,newattrs,valfield,newvalue)\
+  ((pref)->value.valfield = (newvalue),\
+   r_set_type_attrs(pref, newtype, newattrs)\
+   and_fill_s(pref))
+#define make_tav_new(pref,t,a,vf,v)\
+  make_tav(pref,t,(a)|ialloc_new_mask,vf,v)
+#define make_tav_old(pcont,pref,t,a,vf,v,cname)\
+  (ref_save(pcont,pref,cname), make_tav_new(pref,t,a,vf,v))
+
+#define make_tv(pref,newtype,valfield,newvalue)\
+  make_tav(pref,newtype,0,valfield,newvalue)
+#define make_tv_new(pref,t,vf,v)\
+  make_tav_new(pref,t,0,vf,v)
+#define make_tv_old(pcont,pref,t,vf,v,cname)\
+  make_tav_old(pcont,pref,t,0,vf,v,cname)
+
+#define make_tasv(pref,newtype,newattrs,newsize,valfield,newvalue)\
+  ((pref)->value.valfield = (newvalue),\
+   r_set_type_attrs(pref, newtype, newattrs),\
+   r_set_size(pref, newsize))
+#define make_tasv_new(pref,t,a,s,vf,v)\
+  make_tasv(pref,t,(a)|ialloc_new_mask,s,vf,v)
+#define make_tasv_old(pcont,pref,t,a,s,vf,v,cname)\
+  (ref_save(pcont,pref,cname), make_tasv_new(pref,t,a,s,vf,v))
+
+/* Type-specific constructor macros for scalar (non-composite) types */
+
+#define make_bool(pref,bval)\
+  make_tv(pref, t_boolean, boolval, bval)
+#define make_false(pref)\
+  make_bool(pref, 0)
+#define make_true(pref)\
+  make_bool(pref, 1)
+
+#define make_int(pref,ival)\
+  make_tv(pref, t_integer, intval, ival)
+#define make_int_new(pref,ival)\
+  make_tv_new(pref, t_integer, intval, ival)
+
+#define make_mark(pref)\
+  make_t(pref, t_mark)
+
+#define make_null(pref)\
+  make_t(pref, t_null)
+#define make_null_new(pref)\
+  make_t_new(pref, t_null)
+#define make_null_old(pcont,pref,cname)\
+  make_t_old(pcont, pref, t_null, cname)
+
+#define make_oper(pref,opidx,proc)\
+  make_tasv(pref, t_operator, a_executable, opidx, opproc, proc)
+#define make_oper_new(pref,opidx,proc)\
+  make_tasv_new(pref, t_operator, a_executable, opidx, opproc, proc)
+
+#define make_real(pref,rval)\
+  make_tv(pref, t_real, realval, rval)
+#define make_real_new(pref,rval)\
+  make_tv_new(pref, t_real, realval, rval)
+
+/* Type-specific constructor macros for composite types */
+
+/* For composite types, the a_space field is relevant; however, */
+/* as noted in ivmspace.h, a value of 0 designates the most static space, */
+/* so for making empty composites, a space value of 0 is appropriate. */
+
+#define make_array(pref,attrs,size,elts)\
+  make_tasv(pref, t_array, attrs, size, refs, elts)
+#define make_array_new(pref,attrs,size,elts)\
+  make_tasv_new(pref, t_array, attrs, size, refs, elts)
+#define make_const_array(pref,attrs,size,elts)\
+  make_tasv(pref, t_array, attrs, size, const_refs, elts)
+#define make_empty_array(pref,attrs)\
+  make_array(pref, attrs, 0, (ref *)NULL)
+#define make_empty_const_array(pref,attrs)\
+  make_const_array(pref, attrs, 0, (const ref *)NULL)
+
+#define make_string(pref,attrs,size,chars)\
+  make_tasv(pref, t_string, attrs, size, bytes, chars)
+#define make_const_string(pref,attrs,size,chars)\
+  make_tasv(pref, t_string, attrs, size, const_bytes, chars)
+#define make_empty_string(pref,attrs)\
+  make_string(pref, attrs, 0, (byte *)NULL)
+#define make_empty_const_string(pref,attrs)\
+  make_const_string(pref, attrs, 0, (const byte *)NULL)
+
+#define make_struct(pref,attrs,ptr)\
+  make_tav(pref, t_struct, attrs, pstruct, (obj_header_t *)(ptr))
+#define make_struct_new(pref,attrs,ptr)\
+  make_tav_new(pref, t_struct, attrs, pstruct, (obj_header_t *)(ptr))
+
+#define make_astruct(pref,attrs,ptr)\
+  make_tav(pref, t_astruct, attrs, pstruct, (obj_header_t *)(ptr))
+#define make_astruct_new(pref,attrs,ptr)\
+  make_tav_new(pref, t_astruct, attrs, pstruct, (obj_header_t *)(ptr))
+
+#endif /* store_INCLUDED */
diff --git a/pstoraster/stream.c b/pstoraster/stream.c
new file mode 100644
index 000000000..abe3b103e
--- /dev/null
+++ b/pstoraster/stream.c
@@ -0,0 +1,911 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Stream package for Ghostscript interpreter */
+#include "stdio_.h"		/* includes std.h */
+#include "memory_.h"
+#include "gdebug.h"
+#include "gpcheck.h"
+#include "stream.h"
+#include "strimpl.h"
+
+/* Forward declarations */
+private int sreadbuf(P2(stream *, stream_cursor_write *));
+private int swritebuf(P3(stream *, stream_cursor_read *, bool));
+private void stream_compact(P2(stream *, bool));
+
+/* Structure types for allocating streams. */
+private_st_stream();
+public_st_stream_state();	/* default */
+/* GC procedures */
+#define st ((stream *)vptr)
+private 
+ENUM_PTRS_BEGIN(stream_enum_ptrs) return 0;
+
+case 0:
+if (st->foreign)
+    ENUM_RETURN(NULL);
+else if (st->cbuf_string.data != 0)
+    ENUM_RETURN_STRING_PTR(stream, cbuf_string);
+else
+    ENUM_RETURN(st->cbuf);
+ENUM_PTR(1, stream, strm);
+ENUM_PTR(2, stream, prev);
+ENUM_PTR(3, stream, next);
+ENUM_PTR(4, stream, state);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(stream_reloc_ptrs)
+{
+    byte *cbuf_old = st->cbuf;
+
+    if (cbuf_old != 0 && !st->foreign) {
+	long reloc;
+
+	if (st->cbuf_string.data != 0) {
+	    RELOC_STRING_VAR(st->cbuf_string);
+	    st->cbuf = st->cbuf_string.data;
+	} else
+	    RELOC_VAR(st->cbuf);
+	reloc = cbuf_old - st->cbuf;
+	/* Relocate the other buffer pointers. */
+	st->srptr -= reloc;
+	st->srlimit -= reloc;	/* same as swptr */
+	st->swlimit -= reloc;
+    }
+    RELOC_VAR(st->strm);
+    RELOC_VAR(st->prev);
+    RELOC_VAR(st->next);
+    RELOC_VAR(st->state);
+}
+RELOC_PTRS_END
+/* Finalize a stream by closing it. */
+/* We only do this for file streams, because other kinds of streams */
+/* may attempt to free storage when closing. */
+private void
+stream_finalize(void *vptr)
+{
+    if_debug2('u', "[u]%s 0x%lx\n",
+	      (!s_is_valid(st) ? "already closed:" :
+	       st->is_temp ? "is_temp set:" :
+	       st->file == 0 ? "not file:" :
+	       "closing file:"), (ulong) st);
+    if (s_is_valid(st) && !st->is_temp && st->file != 0) {	/* Prevent any attempt to free the buffer. */
+	st->cbuf = 0;
+	st->cbuf_string.data = 0;
+	sclose(st);		/* ignore errors */
+    }
+}
+#undef st
+
+/* Dummy template for streams that don't have a separate state. */
+private const stream_template s_no_template = {
+    &st_stream_state, 0, 0, 1, 1, 0
+};
+
+/* ------ Generic procedures ------ */
+
+/* Allocate a stream and initialize it minimally. */
+stream *
+s_alloc(gs_memory_t * mem, client_name_t cname)
+{
+    stream *s = gs_alloc_struct(mem, stream, &st_stream, cname);
+
+    if_debug2('s', "[s]alloc(%s) = 0x%lx\n",
+	      client_name_string(cname), (ulong) s);
+    if (s == 0)
+	return 0;
+    s->memory = mem;
+    s->report_error = s_no_report_error;
+    s->prev = s->next = 0;	/* clean for GC */
+    s->close_strm = false;	/* default */
+    return s;
+}
+
+/* Allocate a stream state and initialize it minimally. */
+stream_state *
+s_alloc_state(gs_memory_t * mem, gs_memory_type_ptr_t stype,
+	      client_name_t cname)
+{
+    stream_state *st = gs_alloc_struct(mem, stream_state, stype, cname);
+
+    if_debug3('s', "[s]alloc_state %s(%s) = 0x%lx\n",
+	      client_name_string(cname),
+	      client_name_string(stype->sname),
+	      (ulong) st);
+    if (st == 0)
+	return 0;
+    st->memory = mem;
+    st->report_error = s_no_report_error;
+    return st;
+}
+
+/* Vacuous stream initialization */
+int
+s_no_init(stream_state * st)
+{
+    return 0;
+}
+
+/* Standard stream initialization */
+void
+s_std_init(register stream * s, byte * ptr, uint len, const stream_procs * pp,
+	   int modes)
+{
+    s->template = &s_no_template;
+    s->cbuf = ptr;
+    s->srptr = s->srlimit = s->swptr = ptr - 1;
+    s->swlimit = ptr - 1 + len;
+    s->end_status = 0;
+    s->foreign = 0;
+    s->modes = modes;
+    s->cbuf_string.data = 0;
+    s->position = 0;
+    s->bsize = s->cbsize = len;
+    s->strm = 0;		/* not a filter */
+    s->is_temp = 0;
+    s->procs = *pp;
+    s->state = (stream_state *) s;	/* hack to avoid separate state */
+    s->file = 0;
+    if_debug4('s', "[s]init 0x%lx, buf=0x%lx, len=%u, modes=%d\n",
+	      (ulong) s, (ulong) ptr, len, modes);
+}
+
+/* Implement a stream procedure as a no-op. */
+int
+s_std_null(stream * s)
+{
+    return 0;
+}
+
+/* Discard the contents of the buffer when reading. */
+void
+s_std_read_reset(stream * s)
+{
+    s->srptr = s->srlimit = s->cbuf - 1;
+}
+
+/* Discard the contents of the buffer when writing. */
+void
+s_std_write_reset(stream * s)
+{
+    s->swptr = s->cbuf - 1;
+}
+
+/* Flush data to end-of-file when reading. */
+int
+s_std_read_flush(stream * s)
+{
+    while (1) {
+	s->srptr = s->srlimit = s->cbuf - 1;
+	if (s->end_status)
+	    break;
+	s_process_read_buf(s);
+    }
+    return (s->end_status == EOFC ? 0 : s->end_status);
+}
+
+/* Flush buffered data when writing. */
+int
+s_std_write_flush(stream * s)
+{
+    return s_process_write_buf(s, false);
+}
+
+/* Indicate that the number of available input bytes is unknown. */
+int
+s_std_noavailable(stream * s, long *pl)
+{
+    *pl = -1;
+    return 0;
+}
+
+/* Indicate an error when asked to seek. */
+int
+s_std_noseek(stream * s, long pos)
+{
+    return ERRC;
+}
+
+/* Standard stream closing. */
+int
+s_std_close(stream * s)
+{
+    return 0;
+}
+
+/* Standard stream mode switching. */
+int
+s_std_switch_mode(stream * s, bool writing)
+{
+    return ERRC;
+}
+
+/* Standard stream finalization.  Disable the stream. */
+void
+s_disable(register stream * s)
+{
+    s->cbuf = 0;
+    s->bsize = 0;
+    s->end_status = EOFC;
+    s->modes = 0;
+    s->cbuf_string.data = 0;
+    /* The pointers in the next two statements should really be */
+    /* initialized to ([const] byte *)0 - 1, but some very picky */
+    /* compilers complain about this. */
+    s->cursor.r.ptr = s->cursor.r.limit = 0;
+    s->cursor.w.limit = 0;
+    s->procs.close = s_std_null;
+    /* Clear pointers for GC */
+    s->strm = 0;
+    s->state = (stream_state *) s;
+    s->template = &s_no_template;
+    /****** SHOULD DO MORE THAN THIS ******/
+    if_debug1('s', "[s]disable 0x%lx\n", (ulong) s);
+}
+
+/* Implement flushing for encoding filters. */
+int
+s_filter_write_flush(register stream * s)
+{
+    int status = s_process_write_buf(s, false);
+
+    if (status != 0)
+	return status;
+    return sflush(s->strm);
+}
+
+/* Close a filter.  If this is an encoding filter, flush it first. */
+int
+s_filter_close(register stream * s)
+{
+    if (s_is_writing(s)) {
+	int status = s_process_write_buf(s, true);
+
+	if (status != 0 && status != EOFC)
+	    return status;
+    }
+    return s_std_close(s);
+}
+
+/* Disregard a stream error message. */
+int
+s_no_report_error(stream_state * st, const char *str)
+{
+    return 0;
+}
+
+/* Generic procedure structures for filters. */
+
+const stream_procs s_filter_read_procs =
+{
+    s_std_noavailable, s_std_noseek, s_std_read_reset,
+    s_std_read_flush, s_filter_close
+};
+
+const stream_procs s_filter_write_procs =
+{
+    s_std_noavailable, s_std_noseek, s_std_write_reset,
+    s_std_write_flush, s_filter_close
+};
+
+/* ------ Implementation-independent procedures ------ */
+
+/* Store the amount of available data in a(n input) stream. */
+int
+savailable(stream * s, long *pl)
+{
+    return (*(s)->procs.available) (s, pl);
+}
+
+/* Return the current position of a stream. */
+long
+stell(stream * s)
+{				/* The stream might have been closed, but the position */
+    /* is still meaningful in this case. */
+    const byte *ptr = (s_is_writing(s) ? s->swptr : s->srptr);
+
+    return (ptr == 0 ? 0 : ptr + 1 - s->cbuf) + s->position;
+}
+
+/* Set the position of a stream. */
+int
+spseek(stream * s, long pos)
+{
+    if_debug3('s', "[s]seek 0x%lx to %ld, position was %ld\n",
+	      (ulong) s, pos, stell(s));
+    return (*(s)->procs.seek) (s, pos);
+}
+
+/* Switch a stream to read or write mode. */
+/* Return 0 or ERRC. */
+int
+sswitch(register stream * s, bool writing)
+{
+    if (s->procs.switch_mode == 0)
+	return ERRC;
+    return (*s->procs.switch_mode) (s, writing);
+}
+
+/* Close a stream, disabling it if successful. */
+/* (The stream may already be closed.) */
+int
+sclose(register stream * s)
+{
+    stream_state *st;
+    int code = (*s->procs.close) (s);
+
+    if (code < 0)
+	return code;
+    st = s->state;
+    if (st != 0) {
+	stream_proc_release((*release)) = st->template->release;
+	if (release != 0)
+	    (*release) (st);
+	if (st != (stream_state *) s && st->memory != 0)
+	    gs_free_object(st->memory, st, "s_std_close");
+	s->state = (stream_state *) s;
+    }
+    s_disable(s);
+    return code;
+}
+
+/*
+ * Implement sgetc when the buffer may be empty.
+ * If the buffer really is empty, refill it and then read a byte.
+ * Note that filters must read one byte ahead, so that they can close immediately
+ * after the client reads the last data byte if the next thing is an EOD.
+ */
+int
+spgetcc(register stream * s, bool close_on_eof)
+{
+    int status, left;
+    int min_left = sbuf_min_left(s);
+
+    while (status = s->end_status,
+	   left = s->srlimit - s->srptr,
+	   left <= min_left && status >= 0
+	)
+	s_process_read_buf(s);
+    if (left <= min_left && (left == 0 || (status != EOFC && status != ERRC))) {	/* Compact the stream so stell will return the right result. */
+	stream_compact(s, true);
+	if (status == EOFC && close_on_eof) {
+	    status = sclose(s);
+	    if (status == 0)
+		status = EOFC;
+	    s->end_status = status;
+	}
+	return status;
+    }
+    return *++(s->srptr);
+}
+
+/* Implementing sputc when the buffer is full, */
+/* by flushing the buffer and then writing the byte. */
+int
+spputc(register stream * s, byte b)
+{
+    for (;;) {
+	if (s->end_status)
+	    return s->end_status;
+	if (!sendwp(s)) {
+	    *++(s->swptr) = b;
+	    return b;
+	}
+	s_process_write_buf(s, false);
+    }
+}
+
+/* Push back a character onto a (read) stream. */
+/* The character must be the same as the last one read. */
+/* Return 0 on success, ERRC on failure. */
+int
+sungetc(register stream * s, byte c)
+{
+    if (!s_is_reading(s) || s->srptr < s->cbuf || *(s->srptr) != c)
+	return ERRC;
+    s->srptr--;
+    return 0;
+}
+
+/* Get a string from a stream. */
+/* Return 0 if the string was filled, or an exception status. */
+int
+sgets(stream * s, byte * buf, uint nmax, uint * pn)
+{
+    stream_cursor_write cw;
+    int status = 0;
+    int min_left = sbuf_min_left(s);
+
+    cw.ptr = buf - 1;
+    cw.limit = cw.ptr + nmax;
+    while (cw.ptr < cw.limit) {
+	int left;
+
+	if ((left = s->srlimit - s->srptr) > min_left) {
+	    s->srlimit -= min_left;
+	    stream_move(&s->cursor.r, &cw);
+	    s->srlimit += min_left;
+	} else {
+	    uint wanted = cw.limit - cw.ptr;
+	    int c;
+	    stream_state *st;
+
+	    if (wanted >= s->bsize >> 2 &&
+		(st = s->state) != 0 &&
+		wanted >= st->template->min_out_size &&
+		s->end_status == 0 &&
+		left == 0
+		) {
+		byte *wptr = cw.ptr;
+
+		cw.limit -= min_left;
+		status = sreadbuf(s, &cw);
+		cw.limit += min_left;
+		/* We know the stream buffer is empty, */
+		/* so it's safe to update position. */
+		s->position += cw.ptr - wptr;
+		if (status != 1 || cw.ptr == cw.limit)
+		    break;
+	    }
+	    c = spgetc(s);
+	    if (c < 0) {
+		status = c;
+		break;
+	    }
+	    *++(cw.ptr) = c;
+	}
+    }
+    *pn = cw.ptr + 1 - buf;
+    return (status >= 0 ? 0 : status);
+}
+
+/* Write a string on a stream. */
+/* Return 0 if the entire string was written, or an exception status. */
+int
+sputs(register stream * s, const byte * str, uint wlen, uint * pn)
+{
+    uint len = wlen;
+    int status = s->end_status;
+
+    if (status >= 0)
+	while (len > 0) {
+	    uint count = s->swlimit - s->swptr;
+
+	    if (count > 0) {
+		if (count > len)
+		    count = len;
+		memcpy(s->swptr + 1, str, count);
+		s->swptr += count;
+		str += count;
+		len -= count;
+	    } else {
+		byte ch = *str++;
+
+		status = sputc(s, ch);
+		if (status < 0)
+		    break;
+		len--;
+	    }
+	}
+    *pn = wlen - len;
+    return (status >= 0 ? 0 : status);
+}
+
+/* Skip ahead a specified distance in a read stream. */
+/* Return 0 or an exception code. */
+/* Store the number of bytes skipped in *pskipped. */
+int
+spskip(register stream * s, long nskip, long *pskipped)
+{
+    long n = nskip;
+    int min_left;
+
+    if (nskip < 0 || !s_is_reading(s)) {
+	*pskipped = 0;
+	return ERRC;
+    }
+    if (s_can_seek(s)) {
+	long pos = stell(s);
+	int code = sseek(s, pos + n);
+
+	*pskipped = stell(s) - pos;
+	return code;
+    }
+    min_left = sbuf_min_left(s);
+    while (sbufavailable(s) < n + min_left) {
+	int code;
+
+	n -= sbufavailable(s);
+	s->srptr = s->srlimit;
+	if (s->end_status) {
+	    *pskipped = nskip - n;
+	    return s->end_status;
+	}
+	code = sgetc(s);
+	if (code < 0) {
+	    *pskipped = nskip - n;
+	    return code;
+	}
+	--n;
+    }
+    /* Note that if min_left > 0, n < 0 is possible; this is harmless. */
+    s->srptr += n;
+    *pskipped = nskip;
+    return 0;
+}
+
+/* ------ Utilities ------ */
+
+/*
+ * Attempt to refill the buffer of a read stream.  Only call this if the
+ * end_status is not EOFC, and if the buffer is (nearly) empty.
+ */
+int
+s_process_read_buf(stream * s)
+{
+    int status;
+
+    stream_compact(s, false);
+    status = sreadbuf(s, &s->cursor.w);
+    s->end_status = (status >= 0 ? 0 : status);
+    return 0;
+}
+
+/*
+ * Attempt to empty the buffer of a write stream.  Only call this if the
+ * end_status is not EOFC.
+ */
+int
+s_process_write_buf(stream * s, bool last)
+{
+    int status = swritebuf(s, &s->cursor.r, last);
+
+    stream_compact(s, false);
+    if (status >= 0)
+	status = 0;
+    s->end_status = status;
+    return status;
+}
+
+/* Move forward or backward in a pipeline.  We temporarily reverse */
+/* the direction of the pointers while doing this. */
+/* (Cf the Deutsch-Schorr-Waite graph marking algorithm.) */
+#define move_back(curr, prev)\
+{ stream *back = prev->strm;\
+  prev->strm = curr; curr = prev; prev = back;\
+}
+#define move_ahead(curr, prev)\
+{ stream *ahead = curr->strm;\
+  curr->strm = prev; prev = curr; curr = ahead;\
+}
+
+/* Read from a pipeline. */
+private int
+sreadbuf(stream * s, stream_cursor_write * pbuf)
+{
+    stream *prev = 0;
+    stream *curr = s;
+    int status;
+
+    for (;;) {
+	stream *strm;
+
+	for (;;) {		/* Descend into the recursion. */
+	    stream_cursor_read cr;
+	    stream_cursor_read *pr;
+	    stream_cursor_write *pw;
+	    bool eof;
+
+	    strm = curr->strm;
+	    if (strm == 0) {
+		cr.ptr = 0, cr.limit = 0;
+		pr = &cr;
+		eof = false;
+	    } else {
+		pr = &strm->cursor.r;
+		eof = strm->end_status == EOFC;
+	    }
+	    pw = (prev == 0 ? pbuf : &curr->cursor.w);
+	    if_debug4('s', "[s]read process 0x%lx, nr=%u, nw=%u, eof=%d\n",
+		      (ulong) curr, (uint) (pr->limit - pr->ptr),
+		      (uint) (pw->limit - pw->ptr), eof);
+	    status = (*curr->procs.process) (curr->state, pr, pw, eof);
+	    if_debug4('s', "[s]after read 0x%lx, nr=%u, nw=%u, status=%d\n",
+		      (ulong) curr, (uint) (pr->limit - pr->ptr),
+		      (uint) (pw->limit - pw->ptr), status);
+	    if (strm == 0 || status != 0)
+		break;
+	    status = strm->end_status;
+	    if (status < 0)
+		break;
+	    move_ahead(curr, prev);
+	    stream_compact(curr, false);
+	}
+	/* If curr reached EOD and is a filter stream, close it. */
+	if (strm != 0 && status == EOFC &&
+	    curr->cursor.r.ptr >= curr->cursor.r.limit
+	    ) {
+	    int cstat = sclose(curr);
+
+	    if (cstat != 0)
+		status = cstat;
+	}
+#if 0
+	/* If we need to do a callout, unwind all the way now. */
+	if (status == CALLC) {
+	    while ((curr->end_status = status), prev != 0) {
+		move_back(curr, prev);
+	    }
+	    return status;
+	}
+#endif
+	/* Unwind from the recursion. */
+	curr->end_status = (status >= 0 ? 0 : status);
+	if (prev == 0)
+	    return status;
+	move_back(curr, prev);
+    }
+}
+
+/* Write to a pipeline. */
+private int
+swritebuf(stream * s, stream_cursor_read * pbuf, bool last)
+{
+    stream *prev = 0;
+    stream *curr = s;
+    int depth = 0;		/* depth of nesting in non-temp streams */
+    int status;
+
+    /*
+     * The handling of EOFC is a little tricky.  There are two
+     * invariants that keep it straight:
+     *      - We only pass last = true to a stream if either it is
+     * the first stream in the pipeline, or it is a temporary stream
+     * below the first stream and the stream immediately above it has
+     * end_status = EOFC.
+     *      - We never unwind the recursion past a stream with
+     * end_status < 0.
+     */
+    for (;;) {
+	for (;;) {		/* Descend into the recursion. */
+	    stream *strm = curr->strm;
+	    stream_cursor_write cw;
+	    stream_cursor_read *pr;
+	    stream_cursor_write *pw;
+
+	    /*
+	     * We only want to set the last/end flag for
+	     * the top-level stream and any temporary streams
+	     * immediately below it.
+	     */
+	    bool end = last &&
+	    (prev == 0 ||
+	     (depth <= 1 && prev->end_status == EOFC));
+
+	    if (strm == 0)
+		cw.ptr = 0, cw.limit = 0, pw = &cw;
+	    else
+		pw = &strm->cursor.w;
+	    if (prev == 0)
+		pr = pbuf;
+	    else
+		pr = &curr->cursor.r;
+	    if_debug4('s', "[s]write process 0x%lx, nr=%u, nw=%u, end=%d\n",
+		      (ulong) curr, (uint) (pr->limit - pr->ptr),
+		      (uint) (pw->limit - pw->ptr), end);
+	    status = curr->end_status;
+	    if (status < 0)
+		break;
+	    status = (*curr->procs.process) (curr->state,
+					     pr, pw, end);
+	    if_debug5('s', "[s]after write 0x%lx, nr=%u, nw=%u, end=%d, status=%d\n",
+		      (ulong) curr, (uint) (pr->limit - pr->ptr),
+		      (uint) (pw->limit - pw->ptr), end, status);
+	    if (status == 0 && end)
+		status = EOFC;
+	    if (status == EOFC || status == ERRC)
+		curr->end_status = status;
+	    if (strm == 0 || (status < 0 && status != EOFC))
+		break;
+	    if (status == 1)
+		end = false;
+	    else {		/* Keep going if we are closing */
+		/* a filter with a sub-stream. */
+		/* We know status == 0 or EOFC. */
+		if (!end || !strm->is_temp)
+		    break;
+	    }
+	    status = strm->end_status;
+	    if (status < 0)
+		break;
+	    move_ahead(curr, prev);
+	    stream_compact(curr, false);
+	    if (!curr->is_temp)
+		++depth;
+	}
+	/* Unwind from the recursion. */
+	curr->end_status = (status >= 0 ? 0 : status);
+	if (status < 0 || prev == 0) {	/*
+					 * All streams above here were called with last = true
+					 * and returned 0 or EOFC: finish unwinding and then
+					 * return.
+					 */
+	    while (prev) {
+		move_back(curr, prev);
+		curr->end_status = (status >= 0 ? 0 : status);
+	    }
+	    return status;
+	}
+	move_back(curr, prev);
+	if (!curr->is_temp)
+	    --depth;
+    }
+}
+
+/* Move as much data as possible from one buffer to another. */
+/* Return 0 if the input became empty, 1 if the output became full. */
+int
+stream_move(stream_cursor_read * pr, stream_cursor_write * pw)
+{
+    uint rcount = pr->limit - pr->ptr;
+    uint wcount = pw->limit - pw->ptr;
+    uint count;
+    int status;
+
+    if (rcount <= wcount)
+	count = rcount, status = 0;
+    else
+	count = wcount, status = 1;
+    memmove(pw->ptr + 1, pr->ptr + 1, count);
+    pr->ptr += count;
+    pw->ptr += count;
+    return status;
+}
+
+/* If possible, compact the information in a stream buffer to the bottom. */
+private void
+stream_compact(stream * s, bool always)
+{
+    if (s->cursor.r.ptr >= s->cbuf && (always || s->end_status >= 0)) {
+	uint dist = s->cursor.r.ptr + 1 - s->cbuf;
+
+	memmove(s->cbuf, s->cursor.r.ptr + 1,
+		(uint) (s->cursor.r.limit - s->cursor.r.ptr));
+	s->cursor.r.ptr = s->cbuf - 1;
+	s->cursor.r.limit -= dist;	/* same as w.ptr */
+	s->position += dist;
+    }
+}
+
+/* ------ String streams ------ */
+
+/* String stream procedures */
+private int
+    s_string_available(P2(stream *, long *)), s_string_read_seek(P2(stream *, long)),
+     s_string_write_seek(P2(stream *, long)), s_string_read_process(P4(stream_state *, stream_cursor_read *,
+					      stream_cursor_write *, bool)),
+     s_string_write_process(P4(stream_state *, stream_cursor_read *,
+			       stream_cursor_write *, bool));
+
+/* Initialize a stream for reading a string. */
+void
+sread_string(register stream * s, const byte * ptr, uint len)
+{
+    static const stream_procs p =
+    {s_string_available, s_string_read_seek, s_std_read_reset,
+     s_std_read_flush, s_std_null, s_string_read_process
+    };
+
+    s_std_init(s, (byte *) ptr, len, &p, s_mode_read + s_mode_seek);
+    s->cbuf_string.data = (byte *) ptr;
+    s->cbuf_string.size = len;
+    s->end_status = EOFC;
+    s->srlimit = s->swlimit;
+}
+/* Return the number of available bytes when reading from a string. */
+private int
+s_string_available(stream * s, long *pl)
+{
+    *pl = sbufavailable(s);
+    if (*pl == 0)		/* EOF */
+	*pl = -1;
+    return 0;
+}
+
+/* Seek in a string being read.  Return 0 if OK, ERRC if not. */
+private int
+s_string_read_seek(register stream * s, long pos)
+{
+    if (pos < 0 || pos > s->bsize)
+	return ERRC;
+    s->srptr = s->cbuf + pos - 1;
+    return 0;
+}
+
+/* Initialize a stream for writing a string. */
+void
+swrite_string(register stream * s, byte * ptr, uint len)
+{
+    static const stream_procs p =
+    {s_std_noavailable, s_string_write_seek, s_std_write_reset,
+     s_std_null, s_std_null, s_string_write_process
+    };
+
+    s_std_init(s, ptr, len, &p, s_mode_write + s_mode_seek);
+    s->cbuf_string.data = ptr;
+    s->cbuf_string.size = len;
+}
+
+/* Seek in a string being written.  Return 0 if OK, ERRC if not. */
+private int
+s_string_write_seek(register stream * s, long pos)
+{
+    if (pos < 0 || pos > s->bsize)
+	return ERRC;
+    s->swptr = s->cbuf + pos - 1;
+    return 0;
+}
+
+/* Since we initialize the input buffer of a string read stream */
+/* to contain all of the data in the string, if we are ever asked */
+/* to refill the buffer, we should signal EOF. */
+private int
+s_string_read_process(stream_state * st, stream_cursor_read * ignore_pr,
+		      stream_cursor_write * pw, bool last)
+{
+    return EOFC;
+}
+/* Similarly, if we are ever asked to empty the buffer, it means that */
+/* there has been an overrun (unless we are closing the stream). */
+private int
+s_string_write_process(stream_state * st, stream_cursor_read * pr,
+		       stream_cursor_write * ignore_pw, bool last)
+{
+    return (last ? EOFC : ERRC);
+}
+
+/* ------ Position-tracking stream ------ */
+
+private int
+    s_write_position_process(P4(stream_state *, stream_cursor_read *,
+				stream_cursor_write *, bool));
+
+/* Set up a write stream that just keeps track of the position. */
+void
+swrite_position_only(stream *s)
+{
+    static byte buf[50];	/* size is arbitrary */
+
+    swrite_string(s, buf, sizeof(buf));
+    s->procs.process = s_write_position_process;
+}
+
+private int
+s_write_position_process(stream_state * st, stream_cursor_read * pr,
+			 stream_cursor_write * ignore_pw, bool last)
+{
+    pr->ptr = pr->limit;	/* discard data */
+    return 0;
+}
diff --git a/pstoraster/stream.h b/pstoraster/stream.h
new file mode 100644
index 000000000..a0546e6af
--- /dev/null
+++ b/pstoraster/stream.h
@@ -0,0 +1,334 @@
+/* Copyright (C) 1989, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for Ghostscript stream package */
+/* Requires stdio.h */
+
+#ifndef stream_INCLUDED
+#  define stream_INCLUDED
+
+#include "scommon.h"
+
+/* See scommon.h for documentation on the design of streams. */
+
+/* ------ Stream structure definition ------ */
+
+/*
+ * We expose the stream structure definition to clients so that
+ * they can get reasonable performance out of the basic operations.
+ */
+
+/* Define the "virtual" stream procedures. */
+
+typedef struct {
+
+    /* Store # available for reading. */
+    /* Return 0 if OK, ERRC if error or not implemented. */
+#define stream_proc_available(proc)\
+  int proc(P2(stream *, long *))
+    stream_proc_available((*available));
+
+    /* Set position. */
+    /* Return 0 if OK, ERRC if error or not implemented. */
+#define stream_proc_seek(proc)\
+  int proc(P2(stream *, long))
+    stream_proc_seek((*seek));
+
+    /* Clear buffer and, if relevant, unblock channel. */
+    /* Cannot cause an error. */
+#define stream_proc_reset(proc)\
+  void proc(P1(stream *))
+    stream_proc_reset((*reset));
+
+    /* Flush buffered data to output, or drain input. */
+    /* Return 0 if OK, ERRC if error. */
+#define stream_proc_flush(proc)\
+  int proc(P1(stream *))
+    stream_proc_flush((*flush));
+
+    /* Flush data (if writing) & close stream. */
+    /* Return 0 if OK, ERRC if error. */
+#define stream_proc_close(proc)\
+  int proc(P1(stream *))
+    stream_proc_close((*close));
+
+    /* Process a buffer, updating the cursor pointers. */
+    /* See strimpl.h for details. */
+    stream_proc_process((*process));
+
+    /* Switch the stream to read or write mode. */
+    /* false = read, true = write. */
+    /* If the procedure is 0, switching is not allowed. */
+#define stream_proc_switch_mode(proc)\
+  int proc(P2(stream *, bool))
+    stream_proc_switch_mode((*switch_mode));
+
+} stream_procs;
+
+/* ------ The actual stream structure ------ */
+
+struct stream_s {
+    /*
+     * To allow the stream itself to serve as the "state"
+     * of a couple of heavily used types, we start its
+     * definition with the common stream state.
+     */
+    stream_state_common;
+    stream_cursor cursor;	/* cursor for reading/writing data */
+    byte *cbuf;			/* base of buffer */
+    uint bsize;			/* size of buffer, 0 if closed */
+    uint cbsize;		/* size of buffer */
+    /*
+     * end_status indicates what should happen when the client
+     * reaches the end of the buffer:
+     *      0 in the normal case;
+     *      EOFC if a read stream has reached EOD or a write
+     *        stream has written the EOD marker;
+     *      ERRC if an error terminated the last read or write
+     *        operation from or to the underlying data source
+     *        or sink;
+     *      INTC if the last transfer was interrupted (NOT
+     *        USED YET);
+     *      CALLC if a callout is required.
+     */
+    short end_status;		/* status at end of buffer (when */
+				/* reading) or now (when writing) */
+    byte foreign;		/* true if buffer is outside heap */
+    byte modes;			/* access modes allowed for this */
+				/* stream */
+#define s_mode_read 1
+#define s_mode_write 2
+#define s_mode_seek 4
+#define s_mode_append 8		/* (s_mode_write also set) */
+#define s_is_valid(s) ((s)->modes != 0)
+#define s_is_reading(s) (((s)->modes & s_mode_read) != 0)
+#define s_is_writing(s) (((s)->modes & s_mode_write) != 0)
+#define s_can_seek(s) (((s)->modes & s_mode_seek) != 0)
+    gs_string cbuf_string;	/* cbuf/cbsize if cbuf is a string, */
+				/* 0/? if not */
+    long position;		/* file position of beginning of */
+				/* buffer */
+    stream_procs procs;
+    stream *strm;		/* the underlying stream, non-zero */
+				/* iff this is a filter stream */
+    int is_temp;		/* if >0, this is a temporary */
+				/* stream and should be freed */
+				/* when its source/sink is closed; */
+				/* if >1, the buffer is also */
+				/* temporary */
+    int inline_temp;		/* temporary for inline access */
+				/* (see spgetc_inline below) */
+    stream_state *state;	/* state of process */
+    /*
+     * The following are for the use of the interpreter.
+     * See files.h for more information on read_id and write_id,
+     * zfile.c for more information on prev and next,
+     * zfilter.c for more information on close_strm.
+     */
+    ushort read_id;		/* "unique" serial # for detecting */
+				/* references to closed streams */
+				/* and for validating read access */
+    ushort write_id;		/* ditto to validate write access */
+    stream *prev, *next;	/* keep track of all files */
+    bool close_strm;		/* CloseSource/CloseTarget */
+    /*
+     * In order to avoid allocating a separate stream_state for
+     * file streams, which are the most heavily used stream type,
+     * we put their state here.
+     */
+    FILE *file;			/* file handle for C library */
+    uint file_modes;		/* access modes for the file, */
+				/* may be a superset of modes */
+    int (*save_close)(P1(stream *));	/* save original close proc */
+};
+
+#define private_st_stream()	/* in stream.c */\
+  gs_private_st_composite_final(st_stream, stream, "stream",\
+    stream_enum_ptrs, stream_reloc_ptrs, stream_finalize)
+
+/* Initialize the checking IDs of a stream. */
+#define s_init_ids(s) ((s)->read_id = (s)->write_id = 1)
+#define s_init_read_id(s) ((s)->read_id = 1, (s)->write_id = 0)
+#define s_init_write_id(s) ((s)->read_id = 0, (s)->write_id = 1)
+#define s_init_no_id(s) ((s)->read_id = (s)->write_id = 0)
+
+/* ------ Stream functions ------ */
+
+#define srptr cursor.r.ptr
+#define srlimit cursor.r.limit
+#define swptr cursor.w.ptr
+#define swlimit cursor.w.limit
+
+/* Some of these are macros -- beware. */
+/* Note that unlike the C stream library, */
+/* ALL stream procedures take the stream as the first argument. */
+#define sendrp(s) ((s)->srptr >= (s)->srlimit)	/* NOT FOR CLIENTS */
+#define sendwp(s) ((s)->swptr >= (s)->swlimit)	/* NOT FOR CLIENTS */
+
+/*
+ * Following are valid for all streams.
+ */
+/* flush is NOT a no-op for read streams -- it discards data until EOF. */
+/* close is NOT a no-op for non-file streams -- */
+/* it actively disables them. */
+/* The close routine must do a flush if needed. */
+#define sseekable(s) s_can_seek(s)
+int savailable(P2(stream *, long *));
+
+#define sreset(s) (*(s)->procs.reset)(s)
+#define sflush(s) (*(s)->procs.flush)(s)
+int sclose(P1(stream *));
+int sswitch(P2(stream *, bool));
+
+/*
+ * Following are only valid for read streams.
+ */
+int spgetcc(P2(stream *, bool));	/* bool indicates close-on-EOD */
+
+#define spgetc(s) spgetcc(s, true)	/* a procedure equivalent of sgetc */
+/*
+ * Note that sgetc must call spgetc one byte early, because filter must read ahead
+ * to detect EOD.
+ *
+ * In the definition of sgetc, the first alternative should read
+ *      (int)(*++((s)->srptr))
+ * but the Borland compiler generates truly atrocious code for this.
+ * The SCO ODT compiler requires the first, pointless cast to int.
+ */
+#define sgetc(s)\
+  ((int)((s)->srlimit - (s)->srptr > 1 ? (++((s)->srptr), (int)*(s)->srptr) : spgetc(s)))
+int sgets(P4(stream *, byte *, uint, uint *));
+int sungetc(P2(stream *, byte));	/* ERRC on error, 0 if OK */
+
+#define sputback(s) ((s)->srptr--)	/* can only do this once! */
+#define seofp(s) (sendrp(s) && (s)->end_status == EOFC)
+#define serrorp(s) (sendrp(s) && (s)->end_status == ERRC)
+int spskip(P3(stream *, long, long *));
+
+#define sskip(s,nskip,pskipped) spskip(s, (long)(nskip), pskipped)
+/*
+ * Attempt to refill the buffer of a read stream.
+ * Only call this if the end_status is not EOFC,
+ * and if the buffer is (nearly) empty.
+ */
+int s_process_read_buf(P1(stream *));
+
+/*
+ * Following are only valid for write streams.
+ */
+int spputc(P2(stream *, byte));	/* a procedure equivalent of sputc */
+
+/*
+ * The first alternative should read
+ *      ((int)(*++((s)->swptr)=(c)))
+ * but the Borland compiler generates truly atrocious code for this.
+ */
+#define sputc(s,c)\
+  (!sendwp(s) ? (++((s)->swptr), *(s)->swptr=(c), 0) : spputc((s),(c)))
+int sputs(P4(stream *, const byte *, uint, uint *));
+
+/*
+ * Attempt to empty the buffer of a write stream.
+ * Only call this if the end_status is not EOFC.
+ */
+int s_process_write_buf(P2(stream *, bool));
+
+/* Following are only valid for positionable streams. */
+long stell(P1(stream *));
+int spseek(P2(stream *, long));
+
+#define sseek(s,pos) spseek(s, (long)(pos))
+
+/* Following are for high-performance reading clients. */
+/* bufptr points to the next item. */
+#define sbufptr(s) ((s)->srptr + 1)
+#define sbufavailable(s) ((s)->srlimit - (s)->srptr)
+#define sbufskip(s, n) ((s)->srptr += (n), 0)
+/*
+ * Define the minimum amount of data that must be left in an input buffer
+ * after a read operation to handle filter read-ahead.  This is 1 byte for
+ * filters (including procedure data sources), 0 for files.
+ */
+#define max_min_left 1
+#define sbuf_min_left(s) (s->strm == 0 && s->end_status != CALLC ? 0 : 1)
+
+/* The following are for very high-performance clients of read streams, */
+/* who unpack the stream state into local variables. */
+/* Note that any non-inline operations must do a s_end_inline before, */
+/* and a s_begin_inline after. */
+#define s_declare_inline(s, cp, ep)\
+  register const byte *cp;\
+  const byte *ep
+#define s_begin_inline(s, cp, ep)\
+  cp = (s)->srptr, ep = (s)->srlimit
+#define s_end_inline(s, cp, ep)\
+  (s)->srptr = cp
+#define sbufavailable_inline(s, cp, ep)\
+  (ep - cp)
+#define sendbufp_inline(s, cp, ep)\
+  (cp >= ep)
+/* The (int) is needed to pacify the SCO ODT compiler. */
+#define sgetc_inline(s, cp, ep)\
+  ((int)(sendbufp_inline(s, cp, ep) ? spgetc_inline(s, cp, ep) : *++cp))
+#define spgetc_inline(s, cp, ep)\
+  (s_end_inline(s, cp, ep), (s)->inline_temp = spgetc(s),\
+   s_begin_inline(s, cp, ep), (s)->inline_temp)
+#define sputback_inline(s, cp, ep)\
+  --cp
+
+/* Allocate a stream or a stream state. */
+stream *s_alloc(P2(gs_memory_t *, client_name_t));
+stream_state *s_alloc_state(P3(gs_memory_t *, gs_memory_type_ptr_t, client_name_t));
+
+/* Create a stream on a string or a file. */
+void sread_string(P3(stream *, const byte *, uint)),
+    swrite_string(P3(stream *, byte *, uint));
+void sread_file(P4(stream *, FILE *, byte *, uint)),
+    swrite_file(P4(stream *, FILE *, byte *, uint)),
+    sappend_file(P4(stream *, FILE *, byte *, uint));
+
+/* Create a stream that tracks the position, */
+/* for calculating how much space to allocate when actually writing. */
+void swrite_position_only(P1(stream *));
+
+/* Standard stream initialization */
+void s_std_init(P5(stream *, byte *, uint, const stream_procs *, int /*mode */ ));
+
+/* Standard stream finalization */
+void s_disable(P1(stream *));
+
+/* Generic stream procedures exported for templates */
+int s_std_null(P1(stream *));
+void s_std_read_reset(P1(stream *)), s_std_write_reset(P1(stream *));
+int s_std_read_flush(P1(stream *)), s_std_write_flush(P1(stream *)), s_std_noavailable(P2(stream *, long *)),
+     s_std_noseek(P2(stream *, long)), s_std_close(P1(stream *)), s_std_switch_mode(P2(stream *, bool));
+
+/* Generic procedures for filters. */
+int s_filter_write_flush(P1(stream *)), s_filter_close(P1(stream *));
+
+/* Generic procedure structures for filters. */
+extern const stream_procs s_filter_read_procs, s_filter_write_procs;
+
+#endif /* stream_INCLUDED */
diff --git a/pstoraster/strimpl.h b/pstoraster/strimpl.h
new file mode 100644
index 000000000..6ba9560ff
--- /dev/null
+++ b/pstoraster/strimpl.h
@@ -0,0 +1,154 @@
+/* Copyright (C) 1993, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Definitions for stream implementors */
+/* Requires stdio.h */
+
+#ifndef strimpl_INCLUDED
+#  define strimpl_INCLUDED
+
+#include "scommon.h"
+#include "gstypes.h"		/* for gsstruct.h */
+#include "gsstruct.h"
+
+/*
+ * The 'process' procedure does the real work of the stream.
+ * It must process as much input information (from pr->ptr + 1 through
+ * pr->limit) as it can, subject to space available for output
+ * (pw->ptr + 1 through pw->limit), updating pr->ptr and pw->ptr.
+ *
+ * The procedure return value must be one of:
+ *      EOFC - an end-of-data pattern was detected in the input,
+ *        or no more input can be processed for some other reason (e.g.,
+ *        the stream was told only to read a certain amount of data).
+ *      ERRC - a syntactic error was detected in the input.
+ *      0 - more input data is needed.
+ *      1 - more output space is needed.
+ * If the procedure returns EOFC, it can assume it will never be called
+ * again for that stream.
+ *
+ * If the procedure is called with last = 1, this is an indication that
+ * no more input will ever be supplied (after the input in the current
+ * buffer defined by *pr); the procedure should produce as much output
+ * as possible, including an end-of-data marker if applicable.  In this
+ * case:
+ *      - If the procedure returns 1, it may be called again (also with
+ *        last = 1).
+ *      - If the procedure returns any other value other than 1, the
+ *        procedure will never be called again for that stream.
+ *      - If the procedure returns 0, this is taken as equivalent to
+ *        returning EOFC.
+ *      - If the procedure returns EOFC (or 0), the stream's end_status
+ *        is set to EOFC, meaning no more writing is allowed.
+ *
+ * Note that these specifications do not distinguish input from output
+ * streams.  This is deliberate: The processing procedures should work
+ * regardless of which way they are oriented in a stream pipeline.
+ * (The PostScript language does take a position as whether any given
+ * filter may be used for input or output, but this occurs at a higher level.)
+ *
+ * The value returned by the process procedure of a stream whose data source
+ * or sink is external (i.e., not another stream) is interpreted slightly
+ * differently.  For an external data source, a return value of 0 means
+ * "no more input data are available now, but more might become available
+ * later."  For an external data sink, a return value of 1 means "there is
+ * no more room for output data now, but there might be room later."
+ *
+ * It appears that the Adobe specifications, read correctly, require that when
+ * the process procedure of a decoding filter has filled up the output
+ * buffer, it must still peek ahead in the input to determine whether or not
+ * the next thing in the input stream is EOD.  If the next thing is an EOD (or
+ * end-of-data, indicated by running out of input data with last = true), the
+ * process procedure must return EOFC; if the next thing is definitely not
+ * an EOD, the process procedure must return 1 (output full) (without, of
+ * course, consuming the non-EOD datum); if the procedure cannot determine
+ * whether or not the next thing is an EOD, it must return 0 (need more input).
+ * Decoding filters that don't have EOD (for example, NullDecode) can use
+ * a simpler algorithm: if the output buffer is full, then if there is more
+ * input, return 1, otherwise return 0 (which is taken as EOFC if last
+ * is true).  All this may seem a little awkward, but it is needed in order
+ * to have consistent behavior regardless of where buffer boundaries fall --
+ * in particular, if a buffer boundary falls just before an EOD.  It is
+ * actually quite easy to implement if the main loop of the process
+ * procedure tests for running out of input rather than for filling the
+ * output: with this structure, exhausting the input always returns 0,
+ * and discovering that the output buffer is full when attempting to store
+ * more output always returns 1.
+ *
+ * Even this algorithm for handling end-of-buffer is not sufficient if an
+ * EOD falls just after a buffer boundary, but the generic stream code
+ * handles this case: the process procedures need only do what was just
+ * described.
+ */
+
+/*
+ * Define a template for creating a stream.
+ *
+ * The meaning of min_in_size and min_out_size is the following:
+ * If the amount of input information is at least min_in_size,
+ * and the available output space is at least min_out_size,
+ * the process procedure guarantees that it will make some progress.
+ * (It may make progress even if this condition is not met, but this is
+ * not guaranteed.)
+ */
+struct stream_template_s {
+
+    /* Define the structure type for the stream state. */
+    gs_memory_type_ptr_t stype;
+
+    /* Define an optional initialization procedure. */
+                         stream_proc_init((*init));
+
+    /* Define the processing procedure. */
+    /* (The init procedure can reset other procs if it wants.) */
+                         stream_proc_process((*process));
+
+    /* Define the minimum buffer sizes. */
+    uint min_in_size;		/* minimum size for process input */
+    uint min_out_size;		/* minimum size for process output */
+
+    /* Define an optional releasing procedure. */
+         stream_proc_release((*release));
+
+    /* Define an optional parameter defaulting procedure. */
+         stream_proc_set_defaults((*set_defaults));
+
+    /* Define an optional reinitialization procedure. */
+         stream_proc_reinit((*reinit));
+
+};
+
+/* Utility procedures */
+int stream_move(P2(stream_cursor_read *, stream_cursor_write *));	/* in stream.c */
+
+/* Hex decoding utility procedure */
+typedef enum {
+    hex_ignore_garbage = 0,
+    hex_ignore_whitespace = 1,
+    hex_ignore_leading_whitespace = 2
+} hex_syntax;
+int s_hex_process(P4(stream_cursor_read *, stream_cursor_write *, int *, hex_syntax));	/* in sstring.c */
+
+#endif /* strimpl_INCLUDED */
diff --git a/pstoraster/string_.h b/pstoraster/string_.h
new file mode 100644
index 000000000..7771125a3
--- /dev/null
+++ b/pstoraster/string_.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix string.h */
+
+#ifndef string__INCLUDED
+#  define string__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+#ifdef BSD4_2
+#  include <strings.h>
+#  define strchr index
+#else
+#  ifdef __TURBOC__
+#    undef memset		/* just in case */
+#    include <string.h>
+#    ifndef memset		/* Borland C++ can inline this */
+#      define memset(dest,chr,cnt) setmem(dest,cnt,chr)
+#    endif
+#  else
+#    ifdef memory__need_memmove
+#      undef memmove		/* This is disgusting, but so is GCC */
+#    endif
+#    include <string.h>
+#    if defined(THINK_C)
+	/* Patch strlen to return a uint rather than a size_t. */
+#      define strlen (uint)strlen
+#    endif
+#    ifdef memory__need_memmove
+#      define memmove(dest,src,len) gs_memmove(dest,src,len)
+#    endif
+#  endif
+#endif
+
+#endif /* string__INCLUDED */
diff --git a/pstoraster/szlibc.c b/pstoraster/szlibc.c
new file mode 100644
index 000000000..576e84e41
--- /dev/null
+++ b/pstoraster/szlibc.c
@@ -0,0 +1,151 @@
+/*
+  Copyright 1993-2002 by Easy Software Products
+  Copyright 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBZ
+
+/*$Id$ */
+/* Code common to zlib encoding and decoding streams */
+#include "std.h"
+#include "gserror.h"
+#include "gserrors.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gsmalloc.h"
+#include "gsstruct.h"
+#include "strimpl.h"
+#include "szlibxx.h"
+#include "zconf.h"
+
+private_st_zlib_block();
+private_st_zlib_dynamic_state();
+/*public_st_zlib_state();*/
+
+private const gc_ptr_element_t zlib_state_enum_ptrs[] = {
+  GC_OBJ_ELT(stream_zlib_state, dynamic)
+};
+private const gc_struct_data_t zlib_state_reloc_ptrs = {
+  countof(zlib_state_enum_ptrs), 0, 0, zlib_state_enum_ptrs
+};
+gs_memory_struct_type_t st_zlib_state = {
+  sizeof(stream_zlib_state), "zlibEncode/Decode state", 0, 0,
+  basic_enum_ptrs, basic_reloc_ptrs, 0, &zlib_state_reloc_ptrs
+};
+
+/* Set defaults for stream parameters. */
+void
+s_zlib_set_defaults(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+
+    ss->windowBits = MAX_WBITS;
+    ss->no_wrapper = false;
+    ss->level = Z_DEFAULT_COMPRESSION;
+    ss->method = Z_DEFLATED;
+    /* DEF_MEM_LEVEL should be in zlib.h or zconf.h, but it isn't. */
+    ss->memLevel = min(MAX_MEM_LEVEL, 8);
+    ss->strategy = Z_DEFAULT_STRATEGY;
+}
+
+/* Allocate the dynamic state. */
+int
+s_zlib_alloc_dynamic_state(stream_zlib_state *ss)
+{
+    gs_memory_t *mem = (ss->memory ? ss->memory : &gs_memory_default);
+    zlib_dynamic_state_t *zds =
+	gs_alloc_struct_immovable(mem, zlib_dynamic_state_t,
+				  &st_zlib_dynamic_state,
+				  "s_zlib_alloc_dynamic_state");
+
+    ss->dynamic = zds;
+    if (zds == 0)
+	return_error(gs_error_VMerror);
+    zds->blocks = 0;
+    zds->memory = mem;
+    zds->zstate.zalloc = (alloc_func)s_zlib_alloc;
+    zds->zstate.zfree = (free_func)s_zlib_free;
+    zds->zstate.opaque = (voidpf)zds;
+    return 0;
+}
+
+/* Free the dynamic state. */
+void
+s_zlib_free_dynamic_state(stream_zlib_state *ss)
+{
+    if (ss->dynamic)
+	gs_free_object(ss->dynamic->memory, ss->dynamic,
+		       "s_zlib_free_dynamic_state");
+}
+
+/* Provide zlib-compatible allocation and freeing functions. */
+void *
+s_zlib_alloc(void *zmem, uint items, uint size)
+{
+    zlib_dynamic_state_t *const zds = zmem;
+    gs_memory_t *mem = zds->memory;
+    zlib_block_t *block =
+	gs_alloc_struct(mem, zlib_block_t, &st_zlib_block,
+			"s_zlib_alloc(block)");
+    void *data =
+	gs_alloc_byte_array_immovable(mem, items, size, "s_zlib_alloc(data)");
+
+    if (block == 0 || data == 0) {
+	gs_free_object(mem, data, "s_zlib_alloc(data)");
+	gs_free_object(mem, block, "s_zlib_alloc(block)");
+	return Z_NULL;
+    }
+    block->data = data;
+    block->next = zds->blocks;
+    block->prev = 0;
+    if (zds->blocks)
+	zds->blocks->prev = block;
+    zds->blocks = block;
+    return data;
+}
+void
+s_zlib_free(void *zmem, void *data)
+{
+    zlib_dynamic_state_t *const zds = zmem;
+    gs_memory_t *mem = zds->memory;
+    zlib_block_t *block = zds->blocks;
+
+    gs_free_object(mem, data, "s_zlib_free(data)");
+    for (; ; block = block->next) {
+	if (block == 0) {
+	    lprintf1("Freeing unrecorded data 0x%lx!\n", (ulong)data);
+	    return;
+	}
+	if (block->data == data)
+	    break;
+    }
+    if (block->next)
+	block->next->prev = block->prev;
+    if (block->prev)
+	block->prev->next = block->next;
+    else
+	zds->blocks = block->next;
+    gs_free_object(mem, block, "s_zlib_free(block)");
+}
+#endif
diff --git a/pstoraster/szlibd.c b/pstoraster/szlibd.c
new file mode 100644
index 000000000..7c4fbd19a
--- /dev/null
+++ b/pstoraster/szlibd.c
@@ -0,0 +1,118 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBZ
+
+/*$Id$ */
+/* zlib decoding (decompression) filter stream */
+#include "std.h"
+#include "gsmemory.h"
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "strimpl.h"
+#include "szlibxx.h"
+
+/* Initialize the filter. */
+private int
+s_zlibD_init(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+    int code = s_zlib_alloc_dynamic_state(ss);
+
+    if (code < 0)
+	return ERRC;	/****** WRONG ******/
+    if (inflateInit2(&ss->dynamic->zstate,
+		     (ss->no_wrapper ? -ss->windowBits : ss->windowBits))
+	!= Z_OK
+	) {
+	s_zlib_free_dynamic_state(ss);
+	return ERRC;	/****** WRONG ******/
+    }
+    return 0;
+}
+
+/* Reinitialize the filter. */
+private int
+s_zlibD_reset(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+
+    if (inflateReset(&ss->dynamic->zstate) != Z_OK)
+	return ERRC;	/****** WRONG ******/
+    return 0;
+}
+
+/* Process a buffer */
+private int
+s_zlibD_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool ignore_last)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+    z_stream *zs = &ss->dynamic->zstate;
+    const byte *p = pr->ptr;
+    int status;
+
+    /* Detect no input or full output so that we don't get */
+    /* a Z_BUF_ERROR return. */
+    if (pw->ptr == pw->limit)
+	return 1;
+    if (pr->ptr == pr->limit)
+	return 0;
+    zs->next_in = (Bytef *)p + 1;
+    zs->avail_in = pr->limit - p;
+    zs->next_out = pw->ptr + 1;
+    zs->avail_out = pw->limit - pw->ptr;
+    status = inflate(zs, Z_PARTIAL_FLUSH);
+    pr->ptr = zs->next_in - 1;
+    pw->ptr = zs->next_out - 1;
+    switch (status) {
+	case Z_OK:
+	    return (pw->ptr == pw->limit ? 1 : pr->ptr > p ? 0 : 1);
+	case Z_STREAM_END:
+	    return EOFC;
+	default:
+	    return ERRC;
+    }
+}
+
+/* Release the stream */
+private void
+s_zlibD_release(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+
+    inflateEnd(&ss->dynamic->zstate);
+    s_zlib_free_dynamic_state(ss);
+}
+
+/* Stream template */
+#ifdef _AIX
+const
+#endif /* _AIX */
+stream_template s_zlibD_template = {
+    &st_zlib_state, s_zlibD_init, s_zlibD_process, 1, 1, s_zlibD_release,
+    s_zlib_set_defaults, s_zlibD_reset
+};
+#endif /* HAVE_LIBZ */
diff --git a/pstoraster/szlibe.c b/pstoraster/szlibe.c
new file mode 100644
index 000000000..d3c3b4825
--- /dev/null
+++ b/pstoraster/szlibe.c
@@ -0,0 +1,115 @@
+/*
+  Copyright 1993-2002 by Easy Software Products
+  Copyright 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBZ
+
+/*$Id$ */
+/* zlib encoding (compression) filter stream */
+#include "std.h"
+#include "gsmemory.h"
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "strimpl.h"
+#include "szlibxx.h"
+
+/* Initialize the filter. */
+private int
+s_zlibE_init(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+    int code = s_zlib_alloc_dynamic_state(ss);
+
+    if (code < 0)
+	return ERRC;	/****** WRONG ******/
+    if (deflateInit2(&ss->dynamic->zstate, ss->level, ss->method,
+		     (ss->no_wrapper ? -ss->windowBits : ss->windowBits),
+		     ss->memLevel, ss->strategy) != Z_OK)
+	return ERRC;	/****** WRONG ******/
+    return 0;
+}
+
+/* Reinitialize the filter. */
+private int
+s_zlibE_reset(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+
+    if (deflateReset(&ss->dynamic->zstate) != Z_OK)
+	return ERRC;	/****** WRONG ******/
+    return 0;
+}
+
+/* Process a buffer */
+private int
+s_zlibE_process(stream_state * st, stream_cursor_read * pr,
+		stream_cursor_write * pw, bool last)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+    z_stream *zs = &ss->dynamic->zstate;
+    const byte *p = pr->ptr;
+    int status;
+
+    /* Detect no input or full output so that we don't get */
+    /* a Z_BUF_ERROR return. */
+    if (pw->ptr == pw->limit)
+	return 1;
+    if (p == pr->limit && !last)
+	return 0;
+    zs->next_in = (Bytef *)p + 1;
+    zs->avail_in = pr->limit - p;
+    zs->next_out = pw->ptr + 1;
+    zs->avail_out = pw->limit - pw->ptr;
+    status = deflate(zs, (last ? Z_FINISH : Z_NO_FLUSH));
+    pr->ptr = zs->next_in - 1;
+    pw->ptr = zs->next_out - 1;
+    switch (status) {
+	case Z_OK:
+	    return (pw->ptr == pw->limit ? 1 : pr->ptr > p && !last ? 0 : 1);
+	case Z_STREAM_END:
+	    return (last && pr->ptr == pr->limit ? 0 : ERRC);
+	default:
+	    return ERRC;
+    }
+}
+
+/* Release the stream */
+private void
+s_zlibE_release(stream_state * st)
+{
+    stream_zlib_state *const ss = (stream_zlib_state *)st;
+
+    deflateEnd(&ss->dynamic->zstate);
+    s_zlib_free_dynamic_state(ss);
+}
+
+/* Stream template */
+#ifdef _AIX
+const
+#endif /* _AIX */
+stream_template s_zlibE_template = {
+    &st_zlib_state, s_zlibE_init, s_zlibE_process, 1, 1, s_zlibE_release,
+    s_zlib_set_defaults, s_zlibE_reset
+};
+#endif
diff --git a/pstoraster/szlibx.h b/pstoraster/szlibx.h
new file mode 100644
index 000000000..e629c02f9
--- /dev/null
+++ b/pstoraster/szlibx.h
@@ -0,0 +1,74 @@
+/*
+  Copyright 2001 by Easy Software Products.
+  Copyright 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* zlib filter state definition */
+
+#ifndef szlibx_INCLUDED
+#  define szlibx_INCLUDED
+
+/* Define an opaque type for the dynamic part of the state. */
+typedef struct zlib_dynamic_state_s zlib_dynamic_state_t;
+
+/* Define the stream state structure. */
+typedef struct stream_zlib_state_s {
+    stream_state_common;
+    /* Parameters - compression and decompression */
+    int windowBits;
+    bool no_wrapper;		/* omit wrapper and checksum */
+    /* Parameters - compression only */
+    int level;			/* effort level */
+    int method;
+    int memLevel;
+    int strategy;
+    /* Dynamic state */
+    zlib_dynamic_state_t *dynamic;
+} stream_zlib_state;
+
+/*
+ * The state descriptor is public only to allow us to split up
+ * the encoding and decoding filters.
+ *
+ * MRS - Had to split this up and move to source files to get it to
+ *       compile with AIX C 5.0...
+ */
+#if 0
+extern_st(st_zlib_state);
+#define public_st_zlib_state()	/* in szlibc.c */\
+  gs_public_st_ptrs1(st_zlib_state, stream_zlib_state,\
+    "zlibEncode/Decode state", zlib_state_enum_ptrs, zlib_state_reloc_ptrs,\
+    dynamic)
+#else
+extern gs_memory_struct_type_t st_zlib_state;
+#endif /* 0 */
+
+extern stream_template s_zlibD_template;
+extern stream_template s_zlibE_template;
+
+/* Shared procedures */
+stream_proc_set_defaults(s_zlib_set_defaults);
+
+#endif /* szlibx_INCLUDED */
diff --git a/pstoraster/szlibxx.h b/pstoraster/szlibxx.h
new file mode 100644
index 000000000..cffffab00
--- /dev/null
+++ b/pstoraster/szlibxx.h
@@ -0,0 +1,73 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Implementation definitions for zlib interface */
+/* Must be compiled with -I$(ZSRCDIR) */
+
+#ifndef szlibxx_INCLUDED
+#  define szlibxx_INCLUDED
+
+#include "szlibx.h"
+#include "zlib.h"
+
+/*
+ * We don't want to allocate zlib's private data directly from
+ * the C heap, but we must allocate it as immovable; and to avoid
+ * garbage collection issues, we must keep GC-traceable pointers
+ * to every block allocated.  Since the stream state itself is movable,
+ * we have to allocate an immovable block for the z_stream state as well.
+ */
+typedef struct zlib_block_s zlib_block_t;
+struct zlib_block_s {
+    void *data;
+    zlib_block_t *next;
+    zlib_block_t *prev;
+};
+#define private_st_zlib_block()	/* in szlibc.c */\
+  gs_private_st_ptrs3(st_zlib_block, zlib_block_t, "zlib_block_t",\
+    zlib_block_enum_ptrs, zlib_block_reloc_ptrs, next, prev, data)
+/* The typedef is in szlibx.h */
+/*typedef*/ struct zlib_dynamic_state_s {
+    gs_memory_t *memory;
+    zlib_block_t *blocks;
+    z_stream zstate;
+} /*zlib_dynamic_state_t*/;
+#define private_st_zlib_dynamic_state()	/* in szlibc.c */\
+  gs_private_st_ptrs1(st_zlib_dynamic_state, zlib_dynamic_state_t,\
+    "zlib_dynamic_state_t", zlib_dynamic_enum_ptrs, zlib_dynamic_reloc_ptrs,\
+    blocks)
+
+/*
+ * Provide zlib-compatible allocation and freeing functions.
+ * The mem pointer actually points to the dynamic state.
+ */
+void *s_zlib_alloc(P3(void *mem, uint items, uint size));
+void s_zlib_free(P2(void *mem, void *address));
+
+/* Internal procedure to allocate and free the dynamic state. */
+int s_zlib_alloc_dynamic_state(P1(stream_zlib_state *ss));
+void s_zlib_free_dynamic_state(P1(stream_zlib_state *ss));
+
+#endif /* szlibxx_INCLUDED */
diff --git a/pstoraster/time_.h b/pstoraster/time_.h
new file mode 100644
index 000000000..e451315da
--- /dev/null
+++ b/pstoraster/time_.h
@@ -0,0 +1,70 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1991, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic substitute for Unix sys/time.h */
+
+#ifndef time__INCLUDED
+#  define time__INCLUDED
+
+/* We must include std.h before any file that includes sys/types.h. */
+#include "std.h"
+
+#include <config.h>
+
+/*
+ * Some System V environments don't include sys/time.h.
+ * The HAVE_SYS_TIME_H switch in gconfig_.h reflects this.
+ */
+#include <sys/time.h>
+#include <time.h>
+
+/*
+ * In SVR4.0 (but not other System V implementations),
+ * gettimeofday doesn't take a timezone argument.
+ */
+#ifdef SVR4_0
+#  define gettimeofday_no_timezone 1
+#else
+#  define gettimeofday_no_timezone 0
+#endif
+
+/* Some System V environments, and Posix environments, need <sys/times.h>. */
+#ifdef HAVE_SYS_TIMES_H
+#  include <sys/times.h>
+#  define use_times_for_usertime 1
+		/* Posix 1003.1b-1993 section 4.8.1.5 says that
+		   CLK_TCK is obsolescent and that sysconf(_SC_CLK_TCK)
+		   should be used instead, but this requires including
+		   <unistd.h>, which is too painful to configure.  */
+#  ifndef CLK_TCK
+#    define CLK_TCK 100		/* guess for older hosts */
+#  endif
+#else
+#  define use_times_for_usertime 0
+#endif
+
+#endif /* time__INCLUDED */
diff --git a/pstoraster/vmsmath.h b/pstoraster/vmsmath.h
new file mode 100644
index 000000000..6e247b5f9
--- /dev/null
+++ b/pstoraster/vmsmath.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 1989 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Substitute for math.h on VAX/VMS systems */
+
+#ifndef vmsmath_INCLUDED
+#  define vmsmath_INCLUDED
+
+/* DEC VAX/VMS C comes with a math.h file but GNU VAX/VMS C does not. */
+/* This file substitutes for math.h when using GNU C. */
+#  ifndef __MATH
+#    define __MATH
+#    if CC$gfloat
+#      define HUGE_VAL 8.988465674311578540726371186585e+307
+#    else
+#      define HUGE_VAL 1.70141183460469229e+38
+#    endif
+extern double acos(), asin(), atan(), atan2();
+extern double sin(), tan(), cos();
+extern double cosh(), sinh(), tanh();
+extern double exp(), frexp(), ldexp(), log(), log10(), pow();
+extern double modf(), fmod(), sqrt(), ceil(), floor();
+extern double fabs(), cabs(), hypot();
+
+#  endif
+
+#endif /* vmsmath_INCLUDED */
diff --git a/pstoraster/zarith.c b/pstoraster/zarith.c
new file mode 100644
index 000000000..74584ffe2
--- /dev/null
+++ b/pstoraster/zarith.c
@@ -0,0 +1,373 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Arithmetic operators */
+#include "math_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "store.h"
+
+/****** NOTE: none of the arithmetic operators  ******/
+/****** currently check for floating exceptions ******/
+
+/* Define max and min values for what will fit in value.intval. */
+#define MIN_INTVAL min_long
+#define MAX_INTVAL max_long
+#define MAX_HALF_INTVAL ((1 << (size_of(long) / 2 - 1)) - 1)
+
+/* <num1> <num2> add <sum> */
+/* We make this into a separate procedure because */
+/* the interpreter will almost always call it directly. */
+int
+zop_add(register os_ptr op)
+{
+    switch (r_type(op)) {
+    default:
+	return_op_typecheck(op);
+    case t_real:
+	switch (r_type(op - 1)) {
+	default:
+	    return_op_typecheck(op - 1);
+	case t_real:
+	    op[-1].value.realval += op->value.realval;
+	    break;
+	case t_integer:
+	    make_real(op - 1, (double)op[-1].value.intval + op->value.realval);
+	}
+	break;
+    case t_integer:
+	switch (r_type(op - 1)) {
+	default:
+	    return_op_typecheck(op - 1);
+	case t_real:
+	    op[-1].value.realval += (double)op->value.intval;
+	    break;
+	case t_integer: {
+	    long int2 = op->value.intval;
+
+	    if (((op[-1].value.intval += int2) ^ int2) < 0 &&
+		((op[-1].value.intval - int2) ^ int2) >= 0
+		) {			/* Overflow, convert to real */
+		make_real(op - 1, (double)(op[-1].value.intval - int2) + int2);
+	    }
+	}
+	}
+    }
+    return 0;
+}
+int
+zadd(os_ptr op)
+{
+    int code = zop_add(op);
+
+    if (code == 0) {
+	pop(1);
+    }
+    return code;
+}
+
+/* <num1> <num2> div <real_quotient> */
+private int
+zdiv(register os_ptr op)
+{
+    register os_ptr op1 = op - 1;
+
+    /* We can't use the non_int_cases macro, */
+    /* because we have to check explicitly for op == 0. */
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_real:
+	    if (op->value.realval == 0)
+		return_error(e_undefinedresult);
+	    switch (r_type(op1)) {
+		default:
+		    return_op_typecheck(op1);
+		case t_real:
+		    op1->value.realval /= op->value.realval;
+		    break;
+		case t_integer:
+		    make_real(op1, (double)op1->value.intval / op->value.realval);
+	    }
+	    break;
+	case t_integer:
+	    if (op->value.intval == 0)
+		return_error(e_undefinedresult);
+	    switch (r_type(op1)) {
+		default:
+		    return_op_typecheck(op1);
+		case t_real:
+		    op1->value.realval /= (double)op->value.intval;
+		    break;
+		case t_integer:
+		    make_real(op1, (double)op1->value.intval / (double)op->value.intval);
+	    }
+    }
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> mul <product> */
+private int
+zmul(register os_ptr op)
+{
+    switch (r_type(op)) {
+    default:
+	return_op_typecheck(op);
+    case t_real:
+	switch (r_type(op - 1)) {
+	default:
+	    return_op_typecheck(op - 1);
+	case t_real:
+	    op[-1].value.realval *= op->value.realval;
+	    break;
+	case t_integer:
+	    make_real(op - 1, (double)op[-1].value.intval * op->value.realval);
+	}
+	break;
+    case t_integer:
+	switch (r_type(op - 1)) {
+	default:
+	    return_op_typecheck(op - 1);
+	case t_real:
+	    op[-1].value.realval *= (double)op->value.intval;
+	    break;
+	case t_integer: {
+	    long int1 = op[-1].value.intval;
+	    long int2 = op->value.intval;
+	    long abs1 = (int1 >= 0 ? int1 : -int1);
+	    long abs2 = (int2 >= 0 ? int2 : -int2);
+	    float fprod;
+
+	    if ((abs1 > MAX_HALF_INTVAL || abs2 > MAX_HALF_INTVAL) &&
+		/* At least one of the operands is very large. */
+		/* Check for integer overflow. */
+		abs1 != 0 &&
+		abs2 > MAX_INTVAL / abs1 &&
+		/* Check for the boundary case */
+		(fprod = (float)int1 * int2,
+		 (int1 * int2 != MIN_INTVAL ||
+		  fprod != (float)MIN_INTVAL))
+		)
+		make_real(op - 1, fprod);
+	    else
+		op[-1].value.intval = int1 * int2;
+	}
+	}
+    }
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> sub <difference> */
+/* We make this into a separate procedure because */
+/* the interpreter will almost always call it directly. */
+int
+zop_sub(register os_ptr op)
+{
+    switch (r_type(op)) {
+    default:
+	return_op_typecheck(op);
+    case t_real:
+	switch (r_type(op - 1)) {
+	default:
+	    return_op_typecheck(op - 1);
+	case t_real:
+	    op[-1].value.realval -= op->value.realval;
+	    break;
+	case t_integer:
+	    make_real(op - 1, (double)op[-1].value.intval - op->value.realval);
+	}
+	break;
+    case t_integer:
+	switch (r_type(op - 1)) {
+	default:
+	    return_op_typecheck(op - 1);
+	case t_real:
+	    op[-1].value.realval -= (double)op->value.intval;
+	    break;
+	case t_integer: {
+	    long int1 = op[-1].value.intval;
+
+	    if ((int1 ^ (op[-1].value.intval = int1 - op->value.intval)) < 0 &&
+		(int1 ^ op->value.intval) < 0
+		) {			/* Overflow, convert to real */
+		make_real(op - 1, (float)int1 - op->value.intval);
+	    }
+	}
+	}
+    }
+    return 0;
+}
+int
+zsub(os_ptr op)
+{
+    int code = zop_sub(op);
+
+    if (code == 0) {
+	pop(1);
+    }
+    return code;
+}
+
+/* <num1> <num2> idiv <int_quotient> */
+private int
+zidiv(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    check_type(op[-1], t_integer);
+    if (op->value.intval == 0)
+	return_error(e_undefinedresult);
+    if ((op[-1].value.intval /= op->value.intval) ==
+	MIN_INTVAL && op->value.intval == -1
+	) {			/* Anomalous boundary case, fail. */
+	return_error(e_rangecheck);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <int1> <int2> mod <remainder> */
+private int
+zmod(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    check_type(op[-1], t_integer);
+    if (op->value.intval == 0)
+	return_error(e_undefinedresult);
+    op[-1].value.intval %= op->value.intval;
+    pop(1);
+    return 0;
+}
+
+/* <num1> neg <num2> */
+private int
+zneg(register os_ptr op)
+{
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_real:
+	    op->value.realval = -op->value.realval;
+	    break;
+	case t_integer:
+	    if (op->value.intval == MIN_INTVAL)
+		make_real(op, -(float)MIN_INTVAL);
+	    else
+		op->value.intval = -op->value.intval;
+    }
+    return 0;
+}
+
+/* <num1> ceiling <num2> */
+private int
+zceiling(register os_ptr op)
+{
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_real:
+	    op->value.realval = ceil(op->value.realval);
+	case t_integer:;
+    }
+    return 0;
+}
+
+/* <num1> floor <num2> */
+private int
+zfloor(register os_ptr op)
+{
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_real:
+	    op->value.realval = floor(op->value.realval);
+	case t_integer:;
+    }
+    return 0;
+}
+
+/* <num1> round <num2> */
+private int
+zround(register os_ptr op)
+{
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_real:
+	    op->value.realval = floor(op->value.realval + 0.5);
+	case t_integer:;
+    }
+    return 0;
+}
+
+/* <num1> truncate <num2> */
+private int
+ztruncate(register os_ptr op)
+{
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_real:
+	    op->value.realval =
+		(op->value.realval < 0.0 ?
+		 ceil(op->value.realval) :
+		 floor(op->value.realval));
+	case t_integer:;
+    }
+    return 0;
+}
+
+/* Non-standard operators */
+
+/* <int1> <int2> .bitadd <sum> */
+private int
+zbitadd(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    check_type(op[-1], t_integer);
+    op[-1].value.intval += op->value.intval;
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization table ------ */
+
+const op_def zarith_op_defs[] =
+{
+    {"2add", zadd},
+    {"2.bitadd", zbitadd},
+    {"1ceiling", zceiling},
+    {"2div", zdiv},
+    {"2idiv", zidiv},
+    {"1floor", zfloor},
+    {"2mod", zmod},
+    {"2mul", zmul},
+    {"1neg", zneg},
+    {"1round", zround},
+    {"2sub", zsub},
+    {"1truncate", ztruncate},
+    op_def_end(0)
+};
diff --git a/pstoraster/zarray.c b/pstoraster/zarray.c
new file mode 100644
index 000000000..04af4666b
--- /dev/null
+++ b/pstoraster/zarray.c
@@ -0,0 +1,131 @@
+/* Copyright (C) 1989, 1992, 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Array operators */
+#include "memory_.h"
+#include "ghost.h"
+#include "ialloc.h"
+#include "ipacked.h"
+#include "oper.h"
+#include "store.h"
+
+/* The generic operators (copy, get, put, getinterval, putinterval, */
+/* length, and forall) are implemented in zgeneric.c. */
+
+/* <int> array <array> */
+int
+zarray(register os_ptr op)
+{
+    uint size;
+    int code;
+
+    check_int_leu(*op, max_array_size);
+    size = op->value.intval;
+    code = ialloc_ref_array((ref *)op, a_all, size, "array");
+    if (code < 0)
+	return code;
+    refset_null(op->value.refs, size);
+    return 0;
+}
+
+/* <array> aload <obj_0> ... <obj_n-1> <array> */
+private int
+zaload(register os_ptr op)
+{
+    ref aref;
+    uint asize;
+
+    ref_assign(&aref, op);
+    if (!r_is_array(&aref))
+	return_op_typecheck(op);
+    check_read(aref);
+    asize = r_size(&aref);
+    if (asize > ostop - op) {	/* Use the slow, general algorithm. */
+	int code = ref_stack_push(&o_stack, asize);
+	uint i;
+	const ref_packed *packed = aref.value.packed;
+
+	if (code < 0)
+	    return code;
+	for (i = asize; i > 0; i--, packed = packed_next(packed))
+	    packed_get(packed, ref_stack_index(&o_stack, i));
+	*osp = aref;
+	return 0;
+    }
+    if (r_has_type(&aref, t_array))
+	memcpy(op, aref.value.refs, asize * sizeof(ref));
+    else {
+	uint i;
+	const ref_packed *packed = aref.value.packed;
+	os_ptr pdest = op;
+
+	for (i = 0; i < asize; i++, pdest++, packed = packed_next(packed))
+	    packed_get(packed, pdest);
+    }
+    push(asize);
+    ref_assign(op, &aref);
+    return 0;
+}
+
+/* <obj_0> ... <obj_n-1> <array> astore <array> */
+private int
+zastore(register os_ptr op)
+{
+    uint size;
+    int code;
+
+    check_write_type(*op, t_array);
+    size = r_size(op);
+    if (size > op - osbot) {	/* The store operation might involve other stack segments. */
+	ref arr;
+
+	if (size >= ref_stack_count(&o_stack))
+	    return_error(e_stackunderflow);
+	arr = *op;
+	code = ref_stack_store(&o_stack, &arr, size, 1, 0, true,
+			       "astore");
+	if (code < 0)
+	    return code;
+	ref_stack_pop(&o_stack, size);
+	*ref_stack_index(&o_stack, 0) = arr;
+    } else {
+	code = refcpy_to_old(op, 0, op - size, size, "astore");
+	if (code < 0)
+	    return code;
+	op[-(int)size] = *op;
+	pop(size);
+    }
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zarray_op_defs[] =
+{
+    {"1aload", zaload},
+    {"1array", zarray},
+    {"1astore", zastore},
+    op_def_end(0)
+};
diff --git a/pstoraster/zbseq.c b/pstoraster/zbseq.c
new file mode 100644
index 000000000..037a89e3e
--- /dev/null
+++ b/pstoraster/zbseq.c
@@ -0,0 +1,136 @@
+/* Copyright (C) 1990, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 binary object sequence operators */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "btoken.h"
+#include "store.h"
+
+/* Current binary format (in iscan.c) */
+extern ref ref_binary_object_format;
+
+/* System and user name arrays. */
+ref binary_token_names;		/* array of size 2 */
+private ref *const binary_token_names_p = &binary_token_names;
+
+/* Import the Level 2 scanner extensions. */
+typedef struct scanner_state_s scanner_state;
+extern int scan_binary_token(P3(stream *, ref *, scanner_state *));
+extern int (*scan_btoken_proc) (P3(stream *, ref *, scanner_state *));
+
+/* Initialize the binary token machinery. */
+private void
+zbseq_init(void)
+{
+    /* Initialize fake system and user name tables. */
+    /* PostScript code will install the real system name table. */
+    ialloc_ref_array(&binary_token_names, 0 /*a_noaccess */ , 2,
+		     "binary token names");
+    make_empty_array(system_names_p, a_readonly);
+    make_empty_array(user_names_p, a_all);
+    gs_register_ref_root(imemory, NULL, (void **)&binary_token_names_p,
+			 "binary token names");
+
+    /* Set up Level 2 scanning constants. */
+    scan_btoken_proc = scan_binary_token;
+}
+
+/* <names> .installsystemnames - */
+private int
+zinstallsystemnames(register os_ptr op)
+{
+    if (r_space(op) != avm_global)
+	return_error(e_invalidaccess);
+    check_read_type(*op, t_shortarray);
+    ref_assign_old(NULL, system_names_p, op, ".installsystemnames");
+    pop(1);
+    return 0;
+}
+
+/* - currentobjectformat <int> */
+private int
+zcurrentobjectformat(register os_ptr op)
+{
+    push(1);
+    *op = ref_binary_object_format;
+    return 0;
+}
+
+/* <int> setobjectformat - */
+private int
+zsetobjectformat(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    if (op->value.intval < 0 || op->value.intval > 4)
+	return_error(e_rangecheck);
+    ref_assign_old(NULL, &ref_binary_object_format, op, "setobjectformat");
+    pop(1);
+    return 0;
+}
+
+/* <ref_offset> <char_offset> <obj> <string8> .bosobject */
+/*   <ref_offset'> <char_offset'> <string8> */
+/*
+ * This converts a single object to its binary object sequence
+ * representation, doing the dirty work of printobject and writeobject.
+ * (The main control is in PostScript code, so that we don't have to worry
+ * about interrupts or callouts in the middle of writing the various data
+ * items.)  Note that this may or may not modify the 'unused' field.
+ */
+
+private int
+zbosobject(os_ptr op)
+{
+    int code;
+
+    check_type(op[-3], t_integer);
+    check_type(op[-2], t_integer);
+    check_write_type(*op, t_string);
+    if (r_size(op) < 8)
+	return_error(e_rangecheck);
+    code = encode_binary_token(op - 1, &op[-3].value.intval,
+			       &op[-2].value.intval, op->value.bytes);
+    if (code < 0)
+	return code;
+    op[-1] = *op;
+    r_set_size(op - 1, 8);
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zbseq_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"1.installsystemnames", zinstallsystemnames},
+    {"0currentobjectformat", zcurrentobjectformat},
+    {"1setobjectformat", zsetobjectformat},
+    {"4.bosobject", zbosobject},
+    op_def_end(zbseq_init)
+};
diff --git a/pstoraster/zcfont.c b/pstoraster/zcfont.c
new file mode 100644
index 000000000..061a3a15f
--- /dev/null
+++ b/pstoraster/zcfont.c
@@ -0,0 +1,164 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Composite font-related character operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gschar.h"
+#include "gsmatrix.h"		/* for gxfont.h */
+#include "gxfixed.h"		/* for gxfont.h */
+#include "gxfont.h"
+#include "gxchar.h"
+#include "estack.h"
+#include "ichar.h"
+#include "ifont.h"
+#include "igstate.h"
+#include "store.h"
+
+/* Forward references */
+private int cshow_continue(P1(os_ptr));
+private int cshow_restore_font(P1(os_ptr));
+
+/* <proc> <string> cshow - */
+private int
+zcshow(os_ptr op)
+{
+    os_ptr proc_op = op - 1;
+    os_ptr str_op = op;
+    gs_show_enum *penum;
+    int code;
+
+    /*
+     * Even though this is not documented anywhere by Adobe,
+     * the Adobe interpreters apparently allow the string and
+     * the procedure to be provided in either order!
+     */
+    if (r_is_proc(proc_op))
+	;
+    else if (r_is_proc(op)) {	/* operands reversed */
+	proc_op = op;
+	str_op = op - 1;
+    } else {
+	check_op(2);
+	return_error(e_typecheck);
+    }
+    if ((code = op_show_setup(str_op, &penum)) != 0)
+	return code;
+    if ((code = gs_cshow_n_init(penum, igs, (char *)str_op->value.bytes,
+				r_size(str_op))) < 0
+	) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 2, NULL);
+    sslot = *proc_op;		/* save kerning proc */
+    return cshow_continue(op - 2);
+}
+private int
+cshow_continue(os_ptr op)
+{
+    gs_show_enum *penum = senum;
+    int code;
+
+    check_estack(4);		/* in case we call the procedure */
+    code = gs_show_next(penum);
+    if (code != gs_show_move) {
+	code = op_show_continue_dispatch(op, code);
+	if (code == o_push_estack)	/* must be gs_show_render */
+	    make_op_estack(esp - 1, cshow_continue);
+	return code;
+    }
+    /* Push the character code and width, and call the procedure. */
+    {
+	ref *pslot = &sslot;
+	gs_point wpt;
+	gs_font *font = gs_show_current_font(penum);
+	gs_font *scaled_font;
+
+	gs_show_current_width(penum, &wpt);
+#if 0
+		/****************
+		 * The following code is logically correct (or at least,
+		 * probably more correct than the code it replaces),
+		 * but because of the issues about creating the scaled
+		 * font in the correct VM space that make_font (in zfont.c)
+		 * has to deal with, it creates references pointing to
+		 * the wrong spaces.  Therefore, we've removed it.
+		 *****************/
+	{
+	    int fdepth = penum->fstack.depth;
+
+	    if (fdepth <= 0)
+		scaled_font = font;	/* not composite */
+	    else {
+		code = gs_makefont(font->dir, font,
+				   &penum->fstack.items[fdepth - 1].font->
+				   FontMatrix, &scaled_font);
+		if (code < 0)
+		    return code;
+	    }
+	}
+#else
+	scaled_font = font;
+#endif
+	push(3);
+	make_int(op - 2, gs_show_current_char(penum));
+	make_real(op - 1, wpt.x);
+	make_real(op, wpt.y);
+	push_op_estack(cshow_continue);
+	if (scaled_font != gs_rootfont(igs))
+	    push_op_estack(cshow_restore_font);
+	/* cshow does not change rootfont for user procedure */
+	gs_set_currentfont(igs, scaled_font);
+	*++esp = *pslot;	/* user procedure */
+    }
+    return o_push_estack;
+}
+private int
+cshow_restore_font(os_ptr op)
+{	/* We have 1 more entry on the e-stack (cshow_continue). */
+    return gs_show_restore_font(esenum(esp - 1));
+}
+
+/* - rootfont <font> */
+private int
+zrootfont(os_ptr op)
+{
+    push(1);
+    *op = *pfont_dict(gs_rootfont(igs));
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcfont_op_defs[] =
+{
+    {"2cshow", zcshow},
+    {"0rootfont", zrootfont},
+		/* Internal operators */
+    {"0%cshow_continue", cshow_continue},
+    {"0%cshow_restore_font", cshow_restore_font},
+    op_def_end(0)
+};
diff --git a/pstoraster/zchar.c b/pstoraster/zchar.c
new file mode 100644
index 000000000..3911885fb
--- /dev/null
+++ b/pstoraster/zchar.c
@@ -0,0 +1,710 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Character operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gxarith.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"		/* for ifont.h */
+#include "gxchar.h"		/* for stringwidth_flag */
+#include "gxdevice.h"		/* for gxfont.h */
+#include "gxfont.h"
+#include "gzpath.h"
+#include "gzstate.h"
+#include "dstack.h"		/* for stack depth */
+#include "estack.h"
+#include "ialloc.h"
+#include "ichar.h"
+#include "idict.h"
+#include "ifont.h"
+#include "igstate.h"
+#include "ilevel.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "store.h"
+
+/* Forward references */
+private bool map_glyph_to_char(P3(const ref *, const ref *, ref *));
+private int finish_show(P1(os_ptr));
+private int finish_stringwidth(P1(os_ptr));
+private int op_show_cleanup(P1(os_ptr));
+private int op_show_return_width(P3(os_ptr, uint, double *));
+
+/* <string> show - */
+private int
+zshow(register os_ptr op)
+{
+    gs_show_enum *penum;
+    int code = op_show_setup(op, &penum);
+
+    if (code != 0)
+	return code;
+    if ((code = gs_show_n_init(penum, igs, (char *)op->value.bytes, r_size(op))) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 1, finish_show);
+    return op_show_continue(op - 1);
+}
+
+/* <ax> <ay> <string> ashow - */
+private int
+zashow(register os_ptr op)
+{
+    gs_show_enum *penum;
+    int code;
+    double axy[2];
+
+    if ((code = num_params(op - 1, 2, axy)) < 0 ||
+	(code = op_show_setup(op, &penum)) != 0
+	)
+	return code;
+    if ((code = gs_ashow_n_init(penum, igs, axy[0], axy[1], (char *)op->value.bytes, r_size(op))) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 3, finish_show);
+    return op_show_continue(op - 3);
+}
+
+/* <cx> <cy> <char> <string> widthshow - */
+private int
+zwidthshow(register os_ptr op)
+{
+    gs_show_enum *penum;
+    int code;
+    double cxy[2];
+
+    check_type(op[-1], t_integer);
+    if ((gs_char) (op[-1].value.intval) != op[-1].value.intval)
+	return_error(e_rangecheck);
+    if ((code = num_params(op - 2, 2, cxy)) < 0 ||
+	(code = op_show_setup(op, &penum)) != 0
+	)
+	return code;
+    if ((code = gs_widthshow_n_init(penum, igs, cxy[0], cxy[1],
+				    (gs_char) op[-1].value.intval,
+				    (char *)op->value.bytes,
+				    r_size(op))) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 4, finish_show);
+    return op_show_continue(op - 4);
+}
+
+/* <cx> <cy> <char> <ax> <ay> <string> awidthshow - */
+private int
+zawidthshow(register os_ptr op)
+{
+    gs_show_enum *penum;
+    int code;
+    double cxy[2], axy[2];
+
+    check_type(op[-3], t_integer);
+    if ((gs_char) (op[-3].value.intval) != op[-3].value.intval)
+	return_error(e_rangecheck);
+    if ((code = num_params(op - 4, 2, cxy)) < 0 ||
+	(code = num_params(op - 1, 2, axy)) < 0 ||
+	(code = op_show_setup(op, &penum)) != 0
+	)
+	return code;
+    if ((code = gs_awidthshow_n_init(penum, igs, cxy[0], cxy[1],
+				     (gs_char) op[-3].value.intval,
+				     axy[0], axy[1],
+				     (char *)op->value.bytes,
+				     r_size(op))) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 6, finish_show);
+    return op_show_continue(op - 6);
+}
+
+/* <proc> <string> kshow - */
+private int
+zkshow(register os_ptr op)
+{
+    gs_show_enum *penum;
+    int code;
+
+    check_proc(op[-1]);
+    if ((code = op_show_setup(op, &penum)) != 0)
+	return code;
+    if ((code = gs_kshow_n_init(penum, igs, (char *)op->value.bytes, r_size(op))) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 2, finish_show);
+    sslot = op[-1];		/* save kerning proc */
+    return op_show_continue(op - 2);
+}
+
+/* Common finish procedure for all show operations. */
+/* Doesn't have to do anything. */
+private int
+finish_show(os_ptr op)
+{
+    return 0;
+}
+
+/* <string> stringwidth <wx> <wy> */
+private int
+zstringwidth(register os_ptr op)
+{
+    gs_show_enum *penum;
+    int code = op_show_setup(op, &penum);
+
+    if (code != 0)
+	return code;
+    if ((code = gs_stringwidth_n_init(penum, igs, (char *)op->value.bytes, r_size(op))) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 1, finish_stringwidth);
+    return op_show_continue(op - 1);
+}
+/* Finishing procedure for stringwidth. */
+/* Pushes the accumulated width. */
+private int
+finish_stringwidth(register os_ptr op)
+{
+    gs_point width;
+
+    gs_show_width(senum, &width);
+    push(2);
+    make_real(op - 1, width.x);
+    make_real(op, width.y);
+    return 0;
+}
+
+/* Common code for charpath and .charboxpath. */
+private int
+zchar_path(register os_ptr op,
+     int (*init)(P5(gs_show_enum *, gs_state *, const char *, uint, bool)))
+{
+    gs_show_enum *penum;
+    int code;
+
+    check_type(*op, t_boolean);
+    code = op_show_setup(op - 1, &penum);
+    if (code != 0)
+	return code;
+    if ((code = (*init)(penum, igs, (char *)op[-1].value.bytes, r_size(op - 1), op->value.boolval)) < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 2, finish_show);
+    return op_show_continue(op - 2);
+}
+/* <string> <outline_bool> charpath - */
+private int
+zcharpath(register os_ptr op)
+{
+    return zchar_path(op, gs_charpath_n_init);
+}
+/* <string> <box_bool> .charboxpath - */
+private int
+zcharboxpath(register os_ptr op)
+{
+    return zchar_path(op, gs_charboxpath_n_init);
+}
+
+/* <wx> <wy> <llx> <lly> <urx> <ury> setcachedevice - */
+int
+zsetcachedevice(register os_ptr op)
+{
+    double wbox[6];
+    gs_show_enum *penum = op_show_find();
+    int code = num_params(op, 6, wbox);
+
+    if (penum == 0)
+	return_error(e_undefined);
+    if (code < 0)
+	return code;
+    if (gs_show_width_only(penum))
+	return op_show_return_width(op, 6, &wbox[0]);
+    code = gs_setcachedevice_double(penum, igs, wbox);
+    if (code < 0)
+	return code;
+    pop(6);
+    if (code == 1)
+	clear_pagedevice(istate);
+    return 0;
+}
+
+/* <w0x> <w0y> <llx> <lly> <urx> <ury> <w1x> <w1y> <vx> <vy> setcachedevice2 - */
+int
+zsetcachedevice2(os_ptr op)
+{
+    double wbox[10];
+    gs_show_enum *penum = op_show_find();
+    int code = num_params(op, 10, wbox);
+
+    if (penum == 0)
+	return_error(e_undefined);
+    if (code < 0)
+	return code;
+    if (gs_show_width_only(penum))
+	return op_show_return_width(op, 10,
+				    (gs_rootfont(igs)->WMode ?
+				     &wbox[6] : &wbox[0]));
+    code = gs_setcachedevice2_double(penum, igs, wbox);
+    if (code < 0)
+	return code;
+    pop(10);
+    if (code == 1)
+	clear_pagedevice(istate);
+    return 0;
+}
+
+/* <wx> <wy> setcharwidth - */
+private int
+zsetcharwidth(register os_ptr op)
+{
+    double width[2];
+    gs_show_enum *penum = op_show_find();
+    int code = num_params(op, 2, width);
+
+    if (penum == 0)
+	return_error(e_undefined);
+    if (code < 0)
+	return code;
+    if (gs_show_width_only(penum))
+	return op_show_return_width(op, 2, &width[0]);
+    code = gs_setcharwidth(penum, igs, width[0], width[1]);
+    if (code < 0)
+	return code;
+    pop(2);
+    return 0;
+}
+
+/* <dict> .fontbbox <llx> <lly> <urx> <ury> -true- */
+/* <dict> .fontbbox -false- */
+private int
+zfontbbox(register os_ptr op)
+{
+    double bbox[4];
+    int code;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    code = font_bbox_param(op, bbox);
+    if (code < 0)
+	return code;
+    if (bbox[0] < bbox[2] && bbox[1] < bbox[3]) {
+	push(4);
+	make_reals(op - 4, bbox, 4);
+	make_true(op);
+    } else {			/* No bbox, or an empty one. */
+	make_false(op);
+    }
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zchar_op_defs[] =
+{
+    {"3ashow", zashow},
+    {"6awidthshow", zawidthshow},
+    {"2charpath", zcharpath},
+    {"2.charboxpath", zcharboxpath},
+    {"2kshow", zkshow},
+    {"6setcachedevice", zsetcachedevice},
+    {":setcachedevice2", zsetcachedevice2},
+    {"2setcharwidth", zsetcharwidth},
+    {"1show", zshow},
+    {"1stringwidth", zstringwidth},
+    {"4widthshow", zwidthshow},
+		/* Extensions */
+    {"1.fontbbox", zfontbbox},
+		/* Internal operators */
+    {"0%finish_show", finish_show},
+    {"0%finish_stringwidth", finish_stringwidth},
+    {"0%op_show_continue", op_show_continue},
+    op_def_end(0)
+};
+
+/* ------ Subroutines ------ */
+
+/* Most of these are exported for zchar2.c. */
+
+/* Convert a glyph to a ref. */
+private void
+glyph_ref(gs_glyph glyph, ref * gref)
+{
+    if (glyph < gs_min_cid_glyph)
+	name_index_ref(glyph, gref);
+    else
+	make_int(gref, glyph - gs_min_cid_glyph);
+}
+
+/* Prepare to set up for a show operator. */
+/* Don't change any state yet. */
+int
+op_show_setup(os_ptr op, gs_show_enum ** ppenum)
+{
+    check_read_type(*op, t_string);
+    return op_show_enum_setup(op, ppenum);
+}
+int
+op_show_enum_setup(os_ptr op, gs_show_enum ** ppenum)
+{
+    check_estack(snumpush + 2);
+    if ((*ppenum = gs_show_enum_alloc((gs_memory_t *) imemory, igs, "op_show_enum_setup")) == 0)
+	return_error(e_VMerror);
+    return 0;
+}
+
+/* Finish setting up a show operator.  This can't fail, since */
+/* op_show_enum_setup did the check_estack. */
+void
+op_show_finish_setup(gs_show_enum * penum, int npop, op_proc_p endproc /* end procedure */ )
+{
+    register es_ptr ep = esp + snumpush;
+
+    esp = ep;
+    make_mark_estack(ep - (snumpush - 1), es_show, op_show_cleanup);
+    if (endproc == NULL)
+	endproc = finish_show;
+    make_null(&esslot(ep));
+    make_int(&essindex(ep), 0);
+    make_int(&esodepth(ep), 0);	/* see gs_show_render case in */
+    /* op_show_continue_dispatch */
+    make_int(&esddepth(ep), 0);	/* ditto */
+    make_int(&esgslevel(ep), igs->level);
+    make_op_estack(&eseproc(ep), endproc);
+    make_istruct(ep, 0, penum);
+}
+
+/* Continuation operator for character rendering. */
+int
+op_show_continue(os_ptr op)
+{
+    return op_show_continue_dispatch(op, gs_show_next(senum));
+}
+/*
+ * Note that op_show_continue_dispatch sets osp = op explicitly iff the
+ * dispatch succeeds.  This is so that the show operators don't pop anything
+ * from the o-stack if they don't succeed.  Note also that if it returns an
+ * error, it has freed the enumerator.
+ */
+int
+op_show_continue_dispatch(register os_ptr op, int code)
+{
+    gs_show_enum *penum = senum;
+
+    switch (code) {
+	case 0: {		/* all done */
+	    os_ptr save_osp = osp;
+
+	    osp = op;
+	    code = (*real_opproc(&seproc)) (op);
+	    op_show_free(code);
+	    if (code < 0) {
+		osp = save_osp;
+		return code;
+	    }
+	    return o_pop_estack;
+	}
+	case gs_show_kern: {
+	    ref *pslot = &sslot;
+
+	    push(2);
+	    make_int(op - 1, gs_kshow_previous_char(penum));
+	    make_int(op, gs_kshow_next_char(penum));
+	    push_op_estack(op_show_continue);	/* continue after kerning */
+	    *++esp = *pslot;	/* kerning procedure */
+	    return o_push_estack;
+	}
+	case gs_show_render: {
+	    gs_font *pfont = gs_currentfont(igs);
+	    font_data *pfdata = pfont_data(pfont);
+	    gs_char chr = gs_show_current_char(penum);
+	    gs_glyph glyph = gs_show_current_glyph(penum);
+
+	    push(2);
+	    op[-1] = pfdata->dict;	/* push the font */
+	    /*
+	     * For Type 1 and Type 4 fonts, prefer BuildChar to
+	     * BuildGlyph, so that PostScript procedures appearing in the
+	     * CharStrings dictionary will receive the character code
+	     * rather than the character name; for Type 3 fonts,
+	     * prefer BuildGlyph to BuildChar.  For other font types
+	     * (such as CID fonts), only BuildGlyph will be present.
+	     */
+	    if (pfont->FontType == ft_user_defined) {	/* Type 3 font, prefer BuildGlyph. */
+		if (level2_enabled &&
+		    !r_has_type(&pfdata->BuildGlyph, t_null) &&
+		    glyph != gs_no_glyph
+		    ) {
+		    glyph_ref(glyph, op);
+		    esp[2] = pfdata->BuildGlyph;
+		} else if (r_has_type(&pfdata->BuildChar, t_null))
+		    goto err;
+		else if (chr == gs_no_char) {	/* glyphshow, reverse map the character */
+		    /* through the Encoding */
+		    ref gref;
+		    const ref *pencoding = &pfdata->Encoding;
+
+		    glyph_ref(glyph, &gref);
+		    if (!map_glyph_to_char(&gref, pencoding,
+					   (ref *) op)
+			) {	/* Not found, try .notdef */
+			name_enter_string(".notdef", &gref);
+			if (!map_glyph_to_char(&gref,
+					       pencoding,
+					       (ref *) op)
+			    )
+			    goto err;
+		    }
+		    esp[2] = pfdata->BuildChar;
+		} else {
+		    make_int(op, chr);
+		    esp[2] = pfdata->BuildChar;
+		}
+	    } else {
+		/*
+		 * For a Type 1 or Type 4 font, prefer BuildChar: we know
+		 * that both BuildChar and BuildGlyph are present.  For
+		 * other font types, only BuildGlyph is available.
+		 */
+		if (chr != gs_no_char && !r_has_type(&pfdata->BuildChar, t_null)) {
+		    make_int(op, chr);
+		    esp[2] = pfdata->BuildChar;
+		} else {
+		    /* We might not have a glyph: substitute 0. **HACK** */
+		    if (glyph == gs_no_glyph)
+			make_int(op, 0);
+		    else
+			glyph_ref(glyph, op);
+		    esp[2] = pfdata->BuildGlyph;
+		}
+	    }
+	    /* Save the stack depths in case we bail out. */
+	    sodepth.value.intval = ref_stack_count(&o_stack) - 2;
+	    sddepth.value.intval = ref_stack_count(&d_stack);
+	    push_op_estack(op_show_continue);
+	    ++esp;		/* skip BuildChar or BuildGlyph proc */
+	    return o_push_estack;
+	}
+	default:		/* error */
+err:
+	    if (code >= 0)
+		code = gs_note_error(e_invalidfont);
+	    return op_show_free(code);
+    }
+}
+/* Reverse-map a glyph name to a character code for glyphshow. */
+private bool
+map_glyph_to_char(const ref * pgref, const ref * pencoding, ref * pch)
+{
+    uint esize = r_size(pencoding);
+    uint ch;
+    ref eref;
+
+    for (ch = 0; ch < esize; ch++) {
+	array_get(pencoding, (long)ch, &eref);
+	if (obj_eq(pgref, &eref)) {
+	    make_int(pch, ch);
+	    return true;
+	}
+    }
+    return false;
+}
+
+/* Find the index of the e-stack mark for the current show enumerator. */
+/* Return 0 if we can't find the mark. */
+uint
+op_show_find_index(void)
+{
+    ref_stack_enum_t rsenum;
+    uint count = 0;
+
+    ref_stack_enum_begin(&rsenum, &e_stack);
+    do {
+	es_ptr ep = rsenum.ptr;
+	uint size = rsenum.size;
+
+	for (ep += size - 1; size != 0; size--, ep--, count++)
+	    if (r_is_estack_mark(ep) && estack_mark_index(ep) == es_show)
+		return count;
+    } while (ref_stack_enum_next(&rsenum));
+    return 0;		/* no mark */
+}
+
+/* Find the current show enumerator on the e-stack. */
+gs_show_enum *
+op_show_find(void)
+{
+    uint index = op_show_find_index();
+
+    if (index == 0)
+	return 0;		/* no mark */
+    return r_ptr(ref_stack_index(&e_stack, index - (snumpush - 1)),
+		 gs_show_enum);
+}
+
+/* Shortcut the BuildChar or BuildGlyph procedure at the point */
+/* of the setcharwidth or the setcachedevice[2] if we are in */
+/* a stringwidth or cshow, or if we are only collecting the scalable */
+/* width for an xfont character. */
+private int
+op_show_return_width(os_ptr op, uint npop, double *pwidth)
+{
+    uint index = op_show_find_index();
+    es_ptr ep = (es_ptr) ref_stack_index(&e_stack, index - (snumpush - 1));
+    int code = gs_setcharwidth(esenum(ep), igs, pwidth[0], pwidth[1]);
+    uint ocount, dsaved, dcount;
+
+    if (code < 0)
+	return code;
+    /* Restore the operand and dictionary stacks. */
+    ocount = ref_stack_count(&o_stack) - (uint) esodepth(ep).value.intval;
+    if (ocount < npop)
+	return_error(e_stackunderflow);
+    dsaved = (uint) esddepth(ep).value.intval;
+    dcount = ref_stack_count(&d_stack);
+    if (dcount < dsaved)
+	return_error(e_dictstackunderflow);
+    while (dcount > dsaved) {
+	code = zend(op);
+	if (code < 0)
+	    return code;
+	dcount--;
+    }
+    ref_stack_pop(&o_stack, ocount);
+    /* We don't want to pop the mark or the continuation */
+    /* procedure (op_show_continue or cshow_continue). */
+    pop_estack(index - snumpush);
+    return o_pop_estack;
+}
+
+/*
+ * Restore state after finishing, or unwinding from an error within, a show
+ * operation.  Note that we assume op == osp, and may reset osp.
+ */
+private int
+op_show_restore(bool for_error)
+{
+    register es_ptr ep = esp + snumpush;
+    gs_show_enum *penum = esenum(ep);
+    int saved_level = esgslevel(ep).value.intval;
+    int code = 0;
+
+    if (for_error) {
+	uint saved_count = esodepth(ep).value.intval;
+	uint count = ref_stack_count(&o_stack);
+
+	if (count > saved_count)	/* if <, we're in trouble */
+	    ref_stack_pop(&o_stack, count - saved_count);
+    }
+    if (SHOW_IS_STRINGWIDTH(penum)) {	/* stringwidth does an extra gsave */
+	--saved_level;
+    }
+    /*
+     * We might have been inside a cshow, in which case currentfont
+     * was reset temporarily, as though we were inside a BuildChar/
+     * BuildGlyph procedure.  If this is the case, set currentfont
+     * back to its normal state, the root font.
+     */
+    if (penum->fstack.depth >= 0)
+	gs_set_currentfont(igs, penum->fstack.items[0].font);
+    while (igs->level > saved_level && code >= 0) {
+	if (igs->saved == 0 || igs->saved->saved == 0) {
+	    /*
+	     * Bad news: we got an error inside a save inside a BuildChar or
+	     * BuildGlyph.  Don't attempt to recover.
+	     */
+	    code = gs_note_error(e_Fatal);
+	} else
+	    code = gs_grestore(igs);
+    }
+    gs_show_enum_release(penum, (gs_memory_t *) imemory);
+    return code;
+}
+/* Clean up after an error. */
+private int
+op_show_cleanup(os_ptr op)
+{
+    return op_show_restore(true);
+}
+/* Clean up after termination of a show operation. */
+int
+op_show_free(int code)
+{
+    int rcode;
+
+    esp -= snumpush;
+    rcode = op_show_restore(code < 0);
+    return (rcode < 0 ? rcode : code);
+}
+
+/* Get a FontBBox parameter from a font dictionary. */
+int
+font_bbox_param(const ref * pfdict, double bbox[4])
+{
+    ref *pbbox;
+
+    /*
+     * Pre-clear the bbox in case it's invalid.  The Red Books say that
+     * FontBBox is required, but the Adobe interpreters don't require
+     * it, and a few user-written fonts don't supply it, or supply one
+     * of the wrong size (!); also, PageMaker 5.0 (an Adobe product!)
+     * sometimes emits an absurd bbox for Type 1 fonts converted from
+     * TrueType.
+     */
+    bbox[0] = bbox[1] = bbox[2] = bbox[3] = 0.0;
+    if (dict_find_string(pfdict, "FontBBox", &pbbox) > 0) {
+	if (!r_is_array(pbbox))
+	    return_error(e_typecheck);
+	if (r_size(pbbox) == 4) {
+	    const ref_packed *pbe = pbbox->value.packed;
+	    ref rbe[4];
+	    int i;
+	    int code;
+	    float dx, dy, ratio;
+
+	    for (i = 0; i < 4; i++) {
+		packed_get(pbe, rbe + i);
+		pbe = packed_next(pbe);
+	    }
+	    if ((code = num_params(rbe + 3, 4, bbox)) < 0)
+		return code;
+	    /* Require "reasonable" values.  Thanks to Ray */
+	    /* Johnston for suggesting the following test. */
+	    dx = bbox[2] - bbox[0];
+	    dy = bbox[3] - bbox[1];
+	    if (dx <= 0 || dy <= 0 ||
+		(ratio = dy / dx) < 0.125 || ratio > 8.0
+		)
+		bbox[0] = bbox[1] = bbox[2] = bbox[3] = 0.0;
+	}
+    }
+    return 0;
+}
diff --git a/pstoraster/zchar1.c b/pstoraster/zchar1.c
new file mode 100644
index 000000000..bc34e3308
--- /dev/null
+++ b/pstoraster/zchar1.c
@@ -0,0 +1,763 @@
+/* Copyright (C) 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 1 character display operator */
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gxchar.h"		/* for gs_type1_init in gstype1.h */
+				/* (should only be gschar.h) */
+#include "gxdevice.h"		/* for gxfont.h */
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "gxtype1.h"
+#include "gzstate.h"		/* for path for gs_type1_init */
+				/* (should only be gsstate.h) */
+#include "gspaint.h"		/* for gs_fill, gs_stroke */
+#include "gspath.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "ichar.h"
+#include "icharout.h"
+#include "idict.h"
+#include "ifont.h"
+#include "igstate.h"
+#include "iname.h"
+#include "store.h"
+
+/* Test whether a font is Type 1 compatible. */
+inline private bool
+font_is_type1_compatible(const gs_font *pfont)
+{
+    return (pfont->FontType == ft_encrypted ||
+	    pfont->FontType == ft_disk_based);
+}
+
+/* ---------------- .type1execchar ---------------- */
+
+/*
+ * This is the workhorse for %Type1BuildChar, %Type1BuildGlyph,
+ * CCRun, and CID fonts.  Eventually this will appear in the C API;
+ * even now, its normal control path doesn't use any continuations.
+ */
+
+/*
+ * Define the state record for this operator, which must save the metrics
+ * separately as well as the Type 1 interpreter state.
+ */
+typedef struct gs_type1exec_state_s {
+    gs_type1_state cis;		/* must be first */
+    double sbw[4];
+    int /*metrics_present */ present;
+    gs_rect char_bbox;
+    /*
+     * The following elements are only used locally to make the stack clean
+     * for OtherSubrs: they don't need to be declared for the garbage
+     * collector.
+     */
+    ref save_args[6];
+    int num_args;
+} gs_type1exec_state;
+
+gs_private_st_suffix_add0(st_gs_type1exec_state, gs_type1exec_state,
+			  "gs_type1exec_state", gs_type1exec_state_enum_ptrs,
+			  gs_type1exec_state_reloc_ptrs, st_gs_type1_state);
+
+/* Forward references */
+private int bbox_continue(P1(os_ptr));
+private int nobbox_continue(P1(os_ptr));
+private int type1_call_OtherSubr(P3(const gs_type1exec_state *,
+				    int (*)(P1(os_ptr)), const ref *));
+private int type1_continue_dispatch(P4(gs_type1exec_state *, const ref *,
+				       ref *, int));
+private int op_type1_cleanup(P1(os_ptr));
+private void op_type1_free(P1(os_ptr));
+private void
+     type1_cis_get_metrics(P2(const gs_type1_state * pcis, double psbw[4]));
+private int bbox_getsbw_continue(P1(os_ptr));
+private int type1exec_bbox(P3(os_ptr, gs_type1exec_state *, gs_font *));
+private int bbox_fill(P1(os_ptr));
+private int bbox_stroke(P1(os_ptr));
+private int nobbox_finish(P2(os_ptr, gs_type1exec_state *));
+private int nobbox_fill(P1(os_ptr));
+private int nobbox_stroke(P1(os_ptr));
+
+/* <font> <code|name> <name> <charstring> .type1execchar - */
+private int
+ztype1execchar(register os_ptr op)
+{
+    gs_font *pfont;
+    int code = font_param(op - 3, &pfont);
+    gs_font_base *const pbfont = (gs_font_base *) pfont;
+    gs_font_type1 *const pfont1 = (gs_font_type1 *) pfont;
+    const gs_type1_data *pdata;
+    gs_show_enum *penum = op_show_find();
+    gs_type1exec_state cxs;
+    gs_type1_state *const pcis = &cxs.cis;
+
+    if (code < 0)
+	return code;
+    if (penum == 0 || !font_is_type1_compatible(pfont))
+	return_error(e_undefined);
+    pdata = &pfont1->data;
+    /*
+     * Any reasonable implementation would execute something like
+     *  1 setmiterlimit 0 setlinejoin 0 setlinecap
+     * here, but apparently the Adobe implementations aren't reasonable.
+     *
+     * If this is a stroked font, set the stroke width.
+     */
+    if (pfont->PaintType)
+	gs_setlinewidth(igs, pfont->StrokeWidth);
+    check_estack(3);		/* for continuations */
+    /*
+     * Execute the definition of the character.
+     */
+    if (r_is_proc(op))
+	return zchar_exec_char_proc(op);
+    /*
+     * The definition must be a Type 1 CharString.
+     * Note that we do not require read access: this is deliberate.
+     */
+    check_type(*op, t_string);
+    if (r_size(op) <= max(pdata->lenIV, 0))
+	return_error(e_invalidfont);
+    /*
+     * In order to make character oversampling work, we must
+     * set up the cache before calling .type1addpath.
+     * To do this, we must get the bounding box from the FontBBox,
+     * and the width from the CharString or the Metrics.
+     * If the FontBBox isn't valid, we can't do any of this.
+     */
+    code = zchar_get_metrics(pbfont, op - 1, cxs.sbw);
+    if (code < 0)
+	return code;
+    cxs.present = code;
+    /* Establish a current point. */
+    code = gs_moveto(igs, 0.0, 0.0);
+    if (code < 0)
+	return code;
+    code = gs_type1_init(pcis, penum, NULL,
+			 gs_show_in_charpath(penum) != cpm_show,
+			 pfont1->PaintType, pfont1);
+    if (code < 0)
+	return code;
+    if (pfont1->FontBBox.q.x > pfont1->FontBBox.p.x &&
+	pfont1->FontBBox.q.y > pfont1->FontBBox.p.y
+	) {
+	/* The FontBBox is valid. */
+	cxs.char_bbox = pfont1->FontBBox;
+	return type1exec_bbox(op, &cxs, pfont);
+    } else {
+	/*
+	 * The FontBBox is not valid.  In this case,
+	 * we create the path first, then do the setcachedevice.
+	 * If we are oversampling (in this case, only for anti-
+	 * aliasing, not just to improve quality), we have to
+	 * create the path twice, since we can't know the
+	 * oversampling factor until after setcachedevice.
+	 */
+	const ref *opstr = op;
+	ref other_subr;
+
+	if (cxs.present == metricsSideBearingAndWidth) {
+	    gs_point sbpt;
+
+	    sbpt.x = cxs.sbw[0], sbpt.y = cxs.sbw[1];
+	    gs_type1_set_lsb(pcis, &sbpt);
+	}
+	/* Continue interpreting. */
+      icont:
+	code = type1_continue_dispatch(&cxs, opstr, &other_subr, 4);
+	op = osp;		/* OtherSubrs might change it */
+	switch (code) {
+	    case 0:		/* all done */
+		return nobbox_finish(op, &cxs);
+	    default:		/* code < 0, error */
+		return code;
+	    case type1_result_callothersubr:	/* unknown OtherSubr */
+		return type1_call_OtherSubr(&cxs, nobbox_continue,
+					    &other_subr);
+	    case type1_result_sbw:	/* [h]sbw, just continue */
+		if (cxs.present != metricsSideBearingAndWidth)
+		    type1_cis_get_metrics(pcis, cxs.sbw);
+		opstr = 0;
+		goto icont;
+	}
+    }
+}
+/* Do all the work for the case where we have a bounding box. */
+private int
+type1exec_bbox(os_ptr op, gs_type1exec_state * pcxs, gs_font * pfont)
+{
+    gs_type1_state *const pcis = &pcxs->cis;
+    gs_font_base *const pbfont = (gs_font_base *) pfont;
+
+    /*
+     * We have a valid bounding box.  If we don't have Metrics
+     * for this character, start interpreting the CharString;
+     * do the setcachedevice as soon as we know the
+     * (side bearing and) width.
+     */
+    if (pcxs->present == metricsNone) {
+	/* Get the width from the CharString, */
+	/* then set the cache device. */
+	ref cnref;
+	ref other_subr;
+	int code;
+
+	/* Since an OtherSubr callout might change osp, */
+	/* save the character name now. */
+	ref_assign(&cnref, op - 1);
+	code = type1_continue_dispatch(pcxs, op, &other_subr, 4);
+	op = osp;		/* OtherSubrs might change it */
+	switch (code) {
+	    default:		/* code < 0 or done, error */
+		return ((code < 0 ? code :
+			 gs_note_error(e_invalidfont)));
+	    case type1_result_callothersubr:	/* unknown OtherSubr */
+		return type1_call_OtherSubr(pcxs,
+					    bbox_getsbw_continue,
+					    &other_subr);
+	    case type1_result_sbw:	/* [h]sbw, done */
+		break;
+	}
+	type1_cis_get_metrics(pcis, pcxs->sbw);
+	return zchar_set_cache(op, pbfont, &cnref,
+			       NULL, pcxs->sbw + 2,
+			       &pcxs->char_bbox,
+			       bbox_fill, bbox_stroke);
+    } else {
+	/* We have the width and bounding box: */
+	/* set up the cache device now. */
+	return zchar_set_cache(op, pbfont, op - 1,
+			       (pcxs->present ==
+				metricsSideBearingAndWidth ?
+				pcxs->sbw : NULL),
+			       pcxs->sbw + 2,
+			       &pcxs->char_bbox,
+			       bbox_fill, bbox_stroke);
+    }
+}
+
+
+/* Handle the results of gs_type1_interpret. */
+/* pcref points to a t_string ref. */
+private int
+type1_continue_dispatch(gs_type1exec_state *pcxs, const ref * pcref,
+			ref *pos, int num_args)
+{
+    int value;
+    int code;
+    gs_const_string charstring;
+    gs_const_string *pchars;
+
+    if (pcref == 0) {
+	pchars = 0;
+    } else {
+	charstring.data = pcref->value.const_bytes;
+	charstring.size = r_size(pcref);
+	pchars = &charstring;
+    }
+    /*
+     * Since OtherSubrs may push or pop values on the PostScript operand
+     * stack, remove the arguments of .type1execchar before calling the
+     * Type 1 interpreter, and put them back afterwards unless we're
+     * about to execute an OtherSubr procedure.
+     */
+    pcxs->num_args = num_args;
+    memcpy(pcxs->save_args, osp - (num_args - 1), num_args * sizeof(ref));
+    osp -= num_args;
+    code = gs_type1_interpret(&pcxs->cis, pchars, &value);
+    switch (code) {
+	case type1_result_callothersubr: {
+	    /*
+	     * The Type 1 interpreter handles all known OtherSubrs,
+	     * so this must be an unknown one.
+	     */
+	    const font_data *pfdata = pfont_data(gs_currentfont(igs));
+
+	    code = array_get(&pfdata->u.type1.OtherSubrs, (long)value, pos);
+	    if (code >= 0)
+		return type1_result_callothersubr;
+	}
+    }
+    /* Put back the arguments removed above. */
+    memcpy(osp + 1, pcxs->save_args, num_args * sizeof(ref));
+    osp += num_args;
+    return code;
+}
+
+/*
+ * Push a continuation, the arguments removed for the OtherSubr, and
+ * the OtherSubr procedure.
+ */
+private int
+type1_push_OtherSubr(const gs_type1exec_state *pcxs, int (*cont)(P1(os_ptr)),
+		     const ref *pos)
+{
+    int i, n = pcxs->num_args;
+
+    push_op_estack(cont);
+    /*
+     * Push the saved arguments (in reverse order, so they will get put
+     * back on the operand stack in the correct order) on the e-stack.
+     */
+    for (i = n; --i >= 0; ) {
+	*++esp = pcxs->save_args[i];
+	r_clear_attrs(esp, a_executable);  /* just in case */
+    }
+    ++esp;
+    *esp = *pos;
+    return o_push_estack;
+}
+
+/* Do a callout to an OtherSubr implemented in PostScript. */
+/* The caller must have done a check_estack(4 + num_args). */
+private int
+type1_call_OtherSubr(const gs_type1exec_state * pcxs, int (*cont) (P1(os_ptr)),
+		     const ref * pos)
+{
+    /* Move the Type 1 interpreter state to the heap. */
+    gs_type1exec_state *hpcxs =
+	ialloc_struct(gs_type1exec_state, &st_gs_type1exec_state,
+		      "type1_call_OtherSubr");
+
+    if (hpcxs == 0)
+	return_error(e_VMerror);
+    *hpcxs = *pcxs;
+    push_mark_estack(es_show, op_type1_cleanup);
+    ++esp;
+    make_istruct(esp, 0, hpcxs);
+    return type1_push_OtherSubr(pcxs, cont, pos);
+}
+
+/* Continue from an OtherSubr callout while getting metrics. */
+private int
+bbox_getsbw_continue(os_ptr op)
+{
+    ref other_subr;
+    gs_type1exec_state *pcxs = r_ptr(esp, gs_type1exec_state);
+    gs_type1_state *const pcis = &pcxs->cis;
+    int code;
+
+    code = type1_continue_dispatch(pcxs, NULL, &other_subr, 4);
+    op = osp;			/* in case z1_push/pop_proc was called */
+    switch (code) {
+	default:		/* code < 0 or done, error */
+	    op_type1_free(op);
+	    return ((code < 0 ? code : gs_note_error(e_invalidfont)));
+	case type1_result_callothersubr:	/* unknown OtherSubr */
+	    return type1_push_OtherSubr(pcxs, bbox_getsbw_continue,
+					&other_subr);
+	case type1_result_sbw: {	/* [h]sbw, done */
+	    double sbw[4];
+	    const gs_font_base *const pbfont =
+		(const gs_font_base *)pcis->pfont;
+	    gs_rect bbox;
+
+	    /* Get the metrics before freeing the state. */
+	    type1_cis_get_metrics(pcis, sbw);
+	    bbox = pcxs->char_bbox;
+	    op_type1_free(op);
+	    return zchar_set_cache(op, pbfont, op, sbw, sbw + 2, &bbox,
+				   bbox_fill, bbox_stroke);
+	}
+    }
+}
+
+/* <font> <code|name> <name> <charstring> <sbx> <sby> %bbox_{fill|stroke} - */
+/* <font> <code|name> <name> <charstring> %bbox_{fill|stroke} - */
+private int bbox_finish(P2(os_ptr, int (*)(P1(os_ptr))));
+private int
+bbox_fill(os_ptr op)
+{
+    return bbox_finish(op, nobbox_fill);
+}
+private int
+bbox_stroke(os_ptr op)
+{
+    return bbox_finish(op, nobbox_stroke);
+}
+private int
+bbox_finish(os_ptr op, int (*cont) (P1(os_ptr)))
+{
+    gs_font *pfont;
+    int code;
+    gs_show_enum *penum = op_show_find();
+    gs_type1exec_state cxs;	/* stack allocate to avoid sandbars */
+    gs_type1_state *const pcis = &cxs.cis;
+    double sbxy[2];
+    gs_point sbpt;
+    gs_point *psbpt = 0;
+    os_ptr opc = op;
+    const ref *opstr;
+    ref other_subr;
+
+    if (!r_has_type(opc, t_string)) {
+	check_op(3);
+	code = num_params(op, 2, sbxy);
+	if (code < 0)
+	    return code;
+	sbpt.x = sbxy[0];
+	sbpt.y = sbxy[1];
+	psbpt = &sbpt;
+	opc -= 2;
+	check_type(*opc, t_string);
+    }
+    code = font_param(opc - 3, &pfont);
+    if (code < 0)
+	return code;
+    if (penum == 0 || !font_is_type1_compatible(pfont))
+	return_error(e_undefined);
+    {
+	gs_font_type1 *const pfont1 = (gs_font_type1 *) pfont;
+	int lenIV = pfont1->data.lenIV;
+
+	if (lenIV > 0 && r_size(opc) <= lenIV)
+	    return_error(e_invalidfont);
+	check_estack(5);	/* in case we need to do a callout */
+	code = gs_type1_init(pcis, penum, psbpt,
+			     gs_show_in_charpath(penum) != cpm_show,
+			     pfont1->PaintType, pfont1);
+	if (code < 0)
+	    return code;
+    }
+    opstr = opc;
+  icont:
+    code = type1_continue_dispatch(&cxs, opstr, &other_subr, (psbpt ? 6 : 4));
+    op = osp;		/* OtherSubrs might have altered it */
+    switch (code) {
+	case 0:		/* all done */
+	    /* Call the continuation now. */
+	    if (psbpt)
+		pop(2);
+	    return (*cont)(osp);
+	case type1_result_callothersubr:	/* unknown OtherSubr */
+	    push_op_estack(cont);	/* call later */
+	    return type1_call_OtherSubr(&cxs, bbox_continue, &other_subr);
+	case type1_result_sbw:	/* [h]sbw, just continue */
+	    opstr = 0;
+	    goto icont;
+	default:		/* code < 0, error */
+	    return code;
+    }
+}
+
+/* Continue from an OtherSubr callout while building the path. */
+private int
+type1_callout_dispatch(os_ptr op, int (*cont)(P1(os_ptr)), int num_args)
+{
+    ref other_subr;
+    gs_type1exec_state *pcxs = r_ptr(esp, gs_type1exec_state);
+    int code;
+
+  icont:
+    code = type1_continue_dispatch(pcxs, NULL, &other_subr, num_args);
+    op = osp;			/* in case z1_push/pop_proc was called */
+    switch (code) {
+	case 0:		/* callout done, cont is on e-stack */
+	    return 0;
+	default:		/* code < 0 or done, error */
+	    op_type1_free(op);
+	    return ((code < 0 ? code : gs_note_error(e_invalidfont)));
+	case type1_result_callothersubr:	/* unknown OtherSubr */
+	    return type1_push_OtherSubr(pcxs, cont, &other_subr);
+	case type1_result_sbw:	/* [h]sbw, just continue */
+	    goto icont;
+    }
+}
+private int
+bbox_continue(os_ptr op)
+{
+    int npop = (r_has_type(op, t_string) ? 4 : 6);
+    int code = type1_callout_dispatch(op, bbox_continue, npop);
+
+    if (code == 0) {
+	op = osp;		/* OtherSubrs might have altered it */
+	npop -= 4;		/* nobbox_fill/stroke handles the rest */
+	pop(npop);
+	op -= npop;
+	op_type1_free(op);
+    }
+    return code;
+}
+private int
+nobbox_continue(os_ptr op)
+{
+    int code = type1_callout_dispatch(op, nobbox_continue, 4);
+
+    if (code)
+	return code;
+    {
+	gs_type1exec_state cxs;
+	gs_type1exec_state *pcxs = r_ptr(esp, gs_type1exec_state);
+
+	op = osp;		/* OtherSubrs might have altered it */
+	cxs = *pcxs;
+	op_type1_free(op);
+	return nobbox_finish(op, &cxs);
+    }
+}
+
+/* Clean up after a Type 1 callout. */
+private int
+op_type1_cleanup(os_ptr op)
+{
+    ifree_object(r_ptr(esp + 2, void), "op_type1_cleanup");
+    return 0;
+}
+private void
+op_type1_free(os_ptr op)
+{
+    ifree_object(r_ptr(esp, void), "op_type1_free");
+    /*
+     * In order to avoid popping from the e-stack and then pushing onto
+     * it, which would violate an interpreter invariant, we simply
+     * overwrite the two e-stack items being discarded (hpcxs and the
+     * cleanup operator) with empty procedures.
+     */
+    make_empty_const_array(esp - 1, a_readonly + a_executable);
+    make_empty_const_array(esp, a_readonly + a_executable);
+}
+
+/* Finish the no-FontBBox case after constructing the path. */
+/* If we are oversampling for anti-aliasing, we have to go around again. */
+/* <font> <code|name> <name> <charstring> %nobbox_continue - */
+private int
+nobbox_finish(os_ptr op, gs_type1exec_state * pcxs)
+{
+    int code;
+    gs_show_enum *penum = op_show_find();
+    gs_font *pfont;
+
+    if ((code = gs_pathbbox(igs, &pcxs->char_bbox)) < 0 ||
+	(code = font_param(op - 3, &pfont)) < 0
+	)
+	return code;
+    if (penum == 0 || !font_is_type1_compatible(pfont))
+	return_error(e_undefined);
+    {
+	gs_font_base *const pbfont = (gs_font_base *) pfont;
+	gs_font_type1 *const pfont1 = (gs_font_type1 *) pfont;
+
+	if (pcxs->present == metricsNone) {
+	    gs_point endpt;
+
+	    if ((code = gs_currentpoint(igs, &endpt)) < 0)
+		return code;
+	    pcxs->sbw[2] = endpt.x, pcxs->sbw[3] = endpt.y;
+	    pcxs->present = metricsSideBearingAndWidth;
+	}
+	/*
+	 * We only need to rebuild the path from scratch if we might
+	 * oversample for anti-aliasing.
+	 */
+	if ((*dev_proc(igs->device, get_alpha_bits))(igs->device, go_text) > 1
+	    ) {
+	    gs_newpath(igs);
+	    gs_moveto(igs, 0.0, 0.0);
+	    code = gs_type1_init(&pcxs->cis, penum, NULL,
+				 gs_show_in_charpath(penum) != cpm_show,
+				 pfont1->PaintType, pfont1);
+	    if (code < 0)
+		return code;
+	    return type1exec_bbox(op, pcxs, pfont);
+	}
+	return zchar_set_cache(op, pbfont, op, NULL, pcxs->sbw + 2,
+			       &pcxs->char_bbox,
+			       nobbox_fill, nobbox_stroke);
+    }
+}
+/* Finish by popping the operands and filling or stroking. */
+private int
+nobbox_fill(os_ptr op)
+{
+    pop(4);
+    /*
+     * Properly designed fonts, which have no self-intersecting outlines
+     * and in which outer and inner outlines are drawn in opposite
+     * directions, aren't affected by choice of filling rule; but some
+     * badly designed fonts in the Genoa test suite seem to require
+     * using the even-odd rule to match Adobe interpreters.
+     */
+    return gs_eofill(igs);
+}
+private int
+nobbox_stroke(os_ptr op)
+{
+    pop(4);
+    return gs_stroke(igs);
+}
+
+/* ------ Internal procedures ------ */
+
+/* Get the metrics (l.s.b. and width) from the Type 1 interpreter. */
+private void
+type1_cis_get_metrics(const gs_type1_state * pcis, double psbw[4])
+{
+    psbw[0] = fixed2float(pcis->lsb.x);
+    psbw[1] = fixed2float(pcis->lsb.y);
+    psbw[2] = fixed2float(pcis->width.x);
+    psbw[3] = fixed2float(pcis->width.y);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zchar1_op_defs[] =
+{
+    {"4.type1execchar", ztype1execchar},
+		/* Internal operators */
+    {"4%nobbox_continue", nobbox_continue},
+    {"4%nobbox_fill", nobbox_fill},
+    {"4%nobbox_stroke", nobbox_stroke},
+    {"4%bbox_getsbw_continue", bbox_getsbw_continue},
+    {"4%bbox_continue", bbox_continue},
+    {"4%bbox_fill", bbox_fill},
+    {"4%bbox_stroke", bbox_stroke},
+    op_def_end(0)
+};
+
+/* ------ Auxiliary procedures for type 1 fonts ------ */
+
+private int
+z1_charstring_data(gs_font_type1 * pfont, const ref * pgref,
+		   gs_const_string * pstr)
+{
+    ref *pcstr;
+
+    if (dict_find(&pfont_data(pfont)->CharStrings, pgref, &pcstr) <= 0)
+	return_error(e_undefined);
+    check_type_only(*pcstr, t_string);
+    pstr->data = pcstr->value.const_bytes;
+    pstr->size = r_size(pcstr);
+    return 0;
+
+}
+
+private int
+z1_glyph_data(gs_font_type1 * pfont, gs_glyph glyph, gs_const_string * pstr)
+{
+    ref gref;
+
+    if (glyph < gs_min_cid_glyph)
+	name_index_ref(glyph, &gref);
+    else
+	make_int(&gref, glyph - gs_min_cid_glyph);
+    return z1_charstring_data(pfont, &gref, pstr);
+}
+
+private int
+z1_subr_data(gs_font_type1 * pfont, int index, bool global,
+	     gs_const_string * pstr)
+{
+    const font_data *pfdata = pfont_data(pfont);
+    ref subr;
+    int code;
+
+    code = array_get((global ? &pfdata->u.type1.GlobalSubrs :
+		      &pfdata->u.type1.Subrs),
+		     index, &subr);
+    if (code < 0)
+	return code;
+    check_type_only(subr, t_string);
+    pstr->data = subr.value.const_bytes;
+    pstr->size = r_size(&subr);
+    return 0;
+}
+
+private int
+z1_seac_data(gs_font_type1 * pfont, int index, gs_const_string * pstr)
+{
+    ref enc_entry;
+    int code = array_get(&StandardEncoding, (long)index, &enc_entry);
+
+    if (code < 0)
+	return code;
+    return z1_charstring_data(pfont, &enc_entry, pstr);
+}
+
+private int
+z1_next_glyph(gs_font_type1 * pfont, int *pindex, gs_glyph * pglyph)
+{
+    ref *pcsdict = &pfont_data(pfont)->CharStrings;
+    int index = *pindex - 1;
+    ref elt[2];
+
+    if (index < 0)
+	index = dict_first(pcsdict);
+next:
+    index = dict_next(pcsdict, index, elt);
+    *pindex = index + 1;
+    if (index >= 0) {
+	switch (r_type(elt)) {
+	    case t_integer:
+		*pglyph = gs_min_cid_glyph + elt[0].value.intval;
+		break;
+	    case t_name:
+		*pglyph = name_index(elt);
+		break;
+	    default:		/* can't handle it */
+		goto next;
+	}
+    }
+    return 0;
+}
+
+private int
+z1_push(gs_font_type1 * ignore, const fixed * pf, int count)
+{
+    const fixed *p = pf + count - 1;
+    int i;
+
+    check_ostack(count);
+    for (i = 0; i < count; i++, p--) {
+	osp++;
+	make_real(osp, fixed2float(*p));
+    }
+    return 0;
+}
+
+private int
+z1_pop(gs_font_type1 * ignore, fixed * pf)
+{
+    double val;
+    int code = real_param(osp, &val);
+
+    if (code < 0)
+	return code;
+    *pf = float2fixed(val);
+    osp--;
+    return 0;
+}
+
+/* Define the Type 1 procedure vector. */
+const gs_type1_data_procs_t z1_data_procs =
+{
+    z1_glyph_data, z1_subr_data, z1_seac_data, z1_next_glyph,
+    z1_push, z1_pop
+};
diff --git a/pstoraster/zchar2.c b/pstoraster/zchar2.c
new file mode 100644
index 000000000..1bb7e348e
--- /dev/null
+++ b/pstoraster/zchar2.c
@@ -0,0 +1,228 @@
+/* Copyright (C) 1992, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 character operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gschar.h"
+#include "gsmatrix.h"		/* for gxfont.h */
+#include "gsstruct.h"		/* for st_stream */
+#include "gxfixed.h"		/* for gxfont.h */
+#include "gxfont.h"
+#include "gxchar.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "ichar.h"
+#include "ifont.h"
+#include "igstate.h"
+#include "iname.h"
+#include "store.h"
+#include "stream.h"
+#include "ibnum.h"
+#include "gspath.h"		/* gs_rmoveto prototype */
+
+/* Table of continuation procedures. */
+private int xshow_continue(P1(os_ptr));
+private int yshow_continue(P1(os_ptr));
+private int xyshow_continue(P1(os_ptr));
+static const op_proc_p xyshow_continues[4] =
+{
+    0, xshow_continue, yshow_continue, xyshow_continue
+};
+
+/* Forward references */
+private int moveshow(P2(os_ptr, int));
+private int moveshow_continue(P2(os_ptr, int));
+
+/* <charname> glyphshow - */
+private int
+zglyphshow(os_ptr op)
+{
+    gs_glyph glyph;
+    gs_show_enum *penum;
+    int code;
+
+    switch (gs_currentfont(igs)->FontType) {
+	case ft_CID_encrypted:
+	case ft_CID_user_defined:
+	case ft_CID_TrueType:
+	case ft_CID_bitmap:
+	    check_int_leu(*op, gs_max_glyph - gs_min_cid_glyph);
+	    glyph = (gs_glyph) op->value.intval + gs_min_cid_glyph;
+	    break;
+	default:
+	    check_type(*op, t_name);
+	    glyph = name_index(op);
+    }
+    if ((code = op_show_enum_setup(op, &penum)) != 0)
+	return code;
+    if ((code = gs_glyphshow_init(penum, igs, glyph)) < 0) {
+	ifree_object(penum, "op_show_glyph");
+	return code;
+    }
+    op_show_finish_setup(penum, 1, NULL);
+    return op_show_continue(op - 1);
+}
+
+/* <string> <numarray|numstring> xshow - */
+private int
+zxshow(os_ptr op)
+{
+    return moveshow(op, 1);
+}
+
+/* <string> <numarray|numstring> yshow - */
+private int
+zyshow(os_ptr op)
+{
+    return moveshow(op, 2);
+}
+
+/* <string> <numarray|numstring> xyshow - */
+private int
+zxyshow(os_ptr op)
+{
+    return moveshow(op, 3);
+}
+
+/* Common code for {x,y,xy}show */
+private int
+moveshow(os_ptr op, int xymask)
+{
+    gs_show_enum *penum;
+    int code = op_show_setup(op - 1, &penum);
+
+    if (code != 0)
+	return code;
+    if ((code = gs_xyshow_n_init(penum, igs, (char *)op[-1].value.bytes, r_size(op - 1)) < 0)) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    code = num_array_format(op);
+    if (code < 0) {
+	ifree_object(penum, "op_show_enum_setup");
+	return code;
+    }
+    op_show_finish_setup(penum, 2, NULL);
+    ref_assign(&sslot, op);
+    return moveshow_continue(op - 2, xymask);
+}
+
+/* Continuation procedures */
+
+private int
+xshow_continue(os_ptr op)
+{
+    return moveshow_continue(op, 1);
+}
+
+private int
+yshow_continue(os_ptr op)
+{
+    return moveshow_continue(op, 2);
+}
+
+private int
+xyshow_continue(os_ptr op)
+{
+    return moveshow_continue(op, 3);
+}
+
+/* Get one value from the encoded number string or array. */
+/* Sets pvalue->value.realval. */
+private int
+sget_real(const ref * nsp, int format, uint index, ref * pvalue)
+{
+    int code;
+
+    switch (code = num_array_get(nsp, format, index, pvalue)) {
+	case t_integer:
+	    pvalue->value.realval = pvalue->value.intval;
+	case t_real:
+	    return t_real;
+	case t_null:
+	    code = gs_note_error(e_rangecheck);
+	default:
+	    return code;
+    }
+}
+
+private int
+moveshow_continue(os_ptr op, int xymask)
+{
+    const ref *nsp = &sslot;
+    int format = num_array_format(nsp);
+    int code;
+    gs_show_enum *penum = senum;
+    uint index = ssindex.value.intval;
+
+    for (;;) {
+	ref rwx, rwy;
+
+	code = gs_show_next(penum);
+	if (code != gs_show_move) {
+	    ssindex.value.intval = index;
+	    code = op_show_continue_dispatch(op, code);
+	    if (code == o_push_estack) {	/* must be gs_show_render */
+		make_op_estack(esp - 1, xyshow_continues[xymask]);
+	    }
+	    return code;
+	}
+	/* Move according to the next value(s) from the stream. */
+	if (xymask & 1) {
+	    code = sget_real(nsp, format, index++, &rwx);
+	    if (code < 0)
+		break;
+	} else
+	    rwx.value.realval = 0;
+	if (xymask & 2) {
+	    code = sget_real(nsp, format, index++, &rwy);
+	    if (code < 0)
+		break;
+	} else
+	    rwy.value.realval = 0;
+	code = gs_rmoveto(igs, rwx.value.realval, rwy.value.realval);
+	if (code < 0)
+	    break;
+    }
+    /* An error occurred.  Clean up before returning. */
+    return op_show_free(code);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zchar2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"1glyphshow", zglyphshow},
+    {"2xshow", zxshow},
+    {"2xyshow", zxyshow},
+    {"2yshow", zyshow},
+		/* Internal operators */
+    {"0%xshow_continue", xshow_continue},
+    {"0%yshow_continue", yshow_continue},
+    {"0%xyshow_continue", xyshow_continue},
+    op_def_end(0)
+};
diff --git a/pstoraster/zchar32.c b/pstoraster/zchar32.c
new file mode 100644
index 000000000..1a2d532dd
--- /dev/null
+++ b/pstoraster/zchar32.c
@@ -0,0 +1,217 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 32 font glyph operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gsccode.h"		/* for gxfont.h */
+#include "gsmatrix.h"
+#include "gsutil.h"
+#include "gxfixed.h"
+#include "gxchar.h"
+#include "gxfont.h"
+#include "gxfcache.h"
+#include "ifont.h"
+#include "igstate.h"
+#include "store.h"
+
+/* ([wx wy llx lly urx ury] | [w0x w0y llx lly urx ury w1x w1y vx vy]) */
+/*   <bitmap> <cid> <type32font> <str22> .makeglyph32 <<same with substr>> */
+private int
+zmakeglyph32(os_ptr op)
+{
+    bool long_form;
+    uint msize;
+    double metrics[10];
+    int wx, llx, lly, urx, ury;
+    int width, height, raster;
+    gs_font *pfont;
+    int code;
+    byte *str;
+
+    check_array(op[-4]);
+    msize = r_size(op - 4);
+    switch (msize) {
+	case 10:
+	    long_form = true;
+	    break;
+	case 6:
+	    long_form = false;
+	    break;
+	default:
+	    return_error(e_rangecheck);
+    }
+    code = num_params(op[-4].value.refs + msize - 1, msize, metrics);
+    if (code < 0)
+	return code;
+    if (~code & 0x3c)		/* check llx .. ury for integers */
+	return_error(e_typecheck);
+    check_read_type(op[-3], t_string);
+    llx = (int)metrics[2];
+    lly = (int)metrics[3];
+    urx = (int)metrics[4];
+    ury = (int)metrics[5];
+    width = urx - llx;
+    height = ury - lly;
+    raster = (width + 7) >> 3;
+    if (width < 0 || height < 0 || r_size(op - 3) != raster * height)
+	return_error(e_rangecheck);
+    check_int_leu(op[-2], 65535);
+    code = font_param(op - 1, &pfont);
+    if (code < 0)
+	return code;
+    if (pfont->FontType != ft_CID_bitmap)
+	return_error(e_invalidfont);
+    check_write_type(*op, t_string);
+    if (r_size(op) < 22)
+	return_error(e_rangecheck);
+    str = op->value.bytes;
+    if (long_form || metrics[0] != (wx = (int)metrics[0]) ||
+	metrics[1] != 0 || height == 0 ||
+	((wx | width | height | (llx + 128) | (lly + 128)) & ~255) != 0
+	) {
+	/* Use the long form. */
+	int i, n = (long_form ? 10 : 6);
+
+	str[0] = 0;
+	str[1] = long_form;
+	for (i = 0; i < n; ++i) {
+	    int v = (int)metrics[i];  /* no floating point widths yet */
+
+	    str[2 + 2 * i] = (byte)(v >> 8);
+	    str[2 + 2 * i + 1] = (byte)v;
+	}
+	r_set_size(op, 2 + n * 2);
+    } else {
+	/* Use the short form. */
+	str[0] = (byte)width;
+	str[1] = (byte)height;
+	str[2] = (byte)wx;
+	str[3] = (byte)(llx + 128);
+	str[4] = (byte)(lly + 128);
+	r_set_size(op, 5);
+    }
+    return code;
+}
+
+/* <cid_min> <cid_max> <type32font> .removeglyphs - */
+typedef struct {
+    gs_glyph cid_min, cid_max;
+    gs_font *font;
+} font_cid_range_t;
+private bool
+select_cid_range(cached_char * cc, void *range_ptr)
+{
+    const font_cid_range_t *range = range_ptr;
+
+    return (cc->code >= range->cid_min &&
+	    cc->code <= range->cid_max &&
+	    cc->pair->font == range->font);
+}
+private int
+zremoveglyphs(os_ptr op)
+{
+    int code;
+    font_cid_range_t range;
+
+    check_int_leu(op[-2], 65535);
+    check_int_leu(op[-1], 65535);
+    code = font_param(op, &range.font);
+    if (code < 0)
+	return code;
+    if (range.font->FontType != ft_CID_bitmap)
+	return_error(e_invalidfont);
+    range.cid_min = gs_min_cid_glyph + op[-2].value.intval;
+    range.cid_max = gs_min_cid_glyph + op[-1].value.intval;
+    gx_purge_selected_cached_chars(range.font->dir, select_cid_range,
+				   &range);
+    pop(3);
+    return 0;
+}
+
+/* <str5/14/22> .getmetrics32 <width> <height> <w0x> ... <vy> 5/14 */
+/* <str5/14/22> .getmetrics32 <width> <height> <wx> ... <ury> 22 */
+private int
+zgetmetrics32(os_ptr op)
+{
+    const byte *data;
+    uint size;
+    int i, n = 6;
+    os_ptr wop;
+
+    check_read_type(*op, t_string);
+    data = op->value.const_bytes;
+    size = r_size(op);
+    if (size < 5)
+	return_error(e_rangecheck);
+    if (data[0]) {
+	/* Short form. */
+	int llx = (int)data[3] - 128, lly = (int)data[4] - 128;
+
+	n = 6;
+	size = 5;
+	push(8);
+	make_int(op - 6, data[2]); /* wx */
+	make_int(op - 5, 0);	/* wy */
+	make_int(op - 4, llx);
+	make_int(op - 3, lly);
+	make_int(op - 2, llx + data[0]); /* urx */
+	make_int(op - 1, lly + data[1]); /* ury */
+    } else {
+	if (data[1]) {
+	    /* Long form, both WModes. */
+	    if (size < 22)
+		return_error(e_rangecheck);
+	    n = 10;
+	    size = 22;
+	} else {
+	    /* Long form, WMode = 0 only. */
+	    if (size < 14)
+		return_error(e_rangecheck);
+	    n = 6;
+	    size = 14;
+	}
+	push(2 + n);
+	for (i = 0; i < n; ++i)
+	    make_int(op - n + i,
+		     ((int)((data[2 * i + 2] << 8) + data[2 * i + 3]) ^ 0x8000)
+		       - 0x8000);
+    }
+    wop = op - n;
+    make_int(wop - 2, wop[4].value.intval - wop[2].value.intval);
+    make_int(wop - 1, wop[5].value.intval - wop[3].value.intval);
+    make_int(op, size);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zchar32_op_defs[] =
+{
+    {"1.getmetrics32", zgetmetrics32},
+    {"4.makeglyph32", zmakeglyph32},
+    {"3.removeglyphs", zremoveglyphs},
+    op_def_end(0)
+};
diff --git a/pstoraster/zchar42.c b/pstoraster/zchar42.c
new file mode 100644
index 000000000..93a78c038
--- /dev/null
+++ b/pstoraster/zchar42.c
@@ -0,0 +1,184 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 42 character display operator */
+#include "ghost.h"
+#include "oper.h"
+#include "gsmatrix.h"
+#include "gspaint.h"		/* for gs_fill, gs_stroke */
+#include "gspath.h"
+#include "gxfixed.h"
+#include "gxchar.h"
+#include "gxfont.h"
+#include "gxfont42.h"
+#include "gxistate.h"
+#include "gxpath.h"
+#include "gzstate.h"		/* only for ->path */
+#include "dstack.h"		/* only for systemdict */
+#include "estack.h"
+#include "ichar.h"
+#include "icharout.h"
+#include "ifont.h"		/* for font_param */
+#include "igstate.h"
+#include "store.h"
+
+/* Imported procedures */
+int gs_type42_append(P7(uint glyph_index, gs_imager_state * pis,
+			gx_path * ppath, const gs_log2_scale_point * pscale,
+			bool charpath_flag, int paint_type,
+			gs_font_type42 * pfont));
+int gs_type42_get_metrics(P3(gs_font_type42 * pfont, uint glyph_index,
+			     float psbw[4]));
+
+/* <font> <code|name> <name> <glyph_index> .type42execchar - */
+private int type42_fill(P1(os_ptr));
+private int type42_stroke(P1(os_ptr));
+private int
+ztype42execchar(register os_ptr op)
+{
+    gs_font *pfont;
+    int code = font_param(op - 3, &pfont);
+    gs_font_base *const pbfont = (gs_font_base *) pfont;
+    gs_show_enum *penum = op_show_find();
+    int present;
+    double sbw[4];
+
+    if (code < 0)
+	return code;
+    if (penum == 0 ||
+	(pfont->FontType != ft_TrueType &&
+	 pfont->FontType != ft_CID_TrueType)
+	)
+	return_error(e_undefined);
+    /*
+     * Any reasonable implementation would execute something like
+     *  1 setmiterlimit 0 setlinejoin 0 setlinecap
+     * here, but apparently the Adobe implementations aren't reasonable.
+     *
+     * If this is a stroked font, set the stroke width.
+     */
+    if (pfont->PaintType)
+	gs_setlinewidth(igs, pfont->StrokeWidth);
+    check_estack(3);		/* for continuations */
+    /*
+     * Execute the definition of the character.
+     */
+    if (r_is_proc(op))
+	return zchar_exec_char_proc(op);
+    /*
+     * The definition must be a Type 42 glyph index.
+     * Note that we do not require read access: this is deliberate.
+     */
+    check_type(*op, t_integer);
+    check_ostack(3);		/* for lsb values */
+    present = zchar_get_metrics(pbfont, op - 1, sbw);
+    if (present < 0)
+	return present;
+    /* Establish a current point. */
+    code = gs_moveto(igs, 0.0, 0.0);
+    if (code < 0)
+	return code;
+    /* Get the metrics and set the cache device. */
+    if (present == metricsNone) {
+	float sbw42[4];
+	int i;
+
+	code = gs_type42_get_metrics((gs_font_type42 *) pfont,
+				     (uint) op->value.intval, sbw42);
+	if (code < 0)
+	    return code;
+	for (i = 0; i < 4; ++i)
+	    sbw[i] = sbw42[i];
+    }
+    return zchar_set_cache(op, pbfont, op - 1,
+			   (present == metricsSideBearingAndWidth ?
+			    sbw : NULL),
+			   sbw + 2, &pbfont->FontBBox,
+			   type42_fill, type42_stroke);
+}
+
+/* Continue after a CDevProc callout. */
+private int type42_finish(P2(os_ptr op, int (*cont) (P1(gs_state *))));
+private int
+type42_fill(os_ptr op)
+{
+    return type42_finish(op, gs_fill);
+}
+private int
+type42_stroke(os_ptr op)
+{
+    return type42_finish(op, gs_stroke);
+}
+/* <font> <code|name> <name> <glyph_index> <sbx> <sby> %type42_{fill|stroke} - */
+/* <font> <code|name> <name> <glyph_index> %type42_{fill|stroke} - */
+private int
+type42_finish(os_ptr op, int (*cont) (P1(gs_state *)))
+{
+    gs_font *pfont;
+    int code;
+    gs_show_enum *penum = op_show_find();
+    double sbxy[2];
+    gs_point sbpt;
+    gs_point *psbpt = 0;
+    os_ptr opc = op;
+
+    if (!r_has_type(op - 3, t_dictionary)) {
+	check_op(6);
+	code = num_params(op, 2, sbxy);
+	if (code < 0)
+	    return code;
+	sbpt.x = sbxy[0];
+	sbpt.y = sbxy[1];
+	psbpt = &sbpt;
+	opc -= 2;
+    }
+    check_type(*opc, t_integer);
+    code = font_param(opc - 3, &pfont);
+    if (code < 0)
+	return code;
+    if (penum == 0 || (pfont->FontType != ft_TrueType &&
+		       pfont->FontType != ft_CID_TrueType)
+	)
+	return_error(e_undefined);
+    code = gs_type42_append((uint) opc->value.intval,
+			    (gs_imager_state *) penum->pgs,
+			    penum->pgs->path,
+			    &penum->log2_current_scale,
+			    gs_show_in_charpath(penum) != cpm_show,
+			    pfont->PaintType,
+			    (gs_font_type42 *) pfont);
+    if (code < 0)
+	return code;
+    pop((psbpt == 0 ? 4 : 6));
+    return (*cont)(penum->pgs);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zchar42_op_defs[] =
+{
+    {"4.type42execchar", ztype42execchar},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcharout.c b/pstoraster/zcharout.c
new file mode 100644
index 000000000..08d9c2997
--- /dev/null
+++ b/pstoraster/zcharout.c
@@ -0,0 +1,241 @@
+/* Copyright (C) 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Common code for outline (Type 1 / 4 / 42) fonts */
+#include "ghost.h"
+#include "oper.h"
+#include "gschar.h"
+#include "gxdevice.h"		/* for gxfont.h */
+#include "gxfont.h"
+#include "dstack.h"		/* only for systemdict */
+#include "estack.h"
+#include "ichar.h"
+#include "icharout.h"
+#include "idict.h"
+#include "ifont.h"
+#include "igstate.h"
+#include "store.h"
+
+/* Imported operators */
+int zsetcachedevice(P1(os_ptr));	/* zchar.c */
+int zsetcachedevice2(P1(os_ptr));	/* zchar.c */
+
+/*
+ * Execute an outline defined by a PostScript procedure.
+ * The top elements of the stack are:
+ *      <font> <code|name> <name> <outline_id>
+ */
+int
+zchar_exec_char_proc(os_ptr op)
+{	/*
+	 * The definition is a PostScript procedure.  Execute
+	 *      <code|name> proc
+	 * within a systemdict begin/end and a font begin/end.
+	 */
+    es_ptr ep;
+
+    check_estack(5);
+    ep = esp += 5;
+    make_op_estack(ep - 4, zend);
+    make_op_estack(ep - 3, zend);
+    ref_assign(ep - 2, op);
+    make_op_estack(ep - 1, zbegin);
+    make_op_estack(ep, zbegin);
+    ref_assign(op - 1, systemdict);
+    {
+	ref rfont;
+
+	ref_assign(&rfont, op - 3);
+	ref_assign(op - 3, op - 2);
+	ref_assign(op - 2, &rfont);
+    }
+    pop(1);
+    return o_push_estack;
+}
+
+/*
+ * Get the metrics for a character from the Metrics dictionary of a base
+ * font.  If present, store the l.s.b. in psbw[0,1] and the width in
+ * psbw[2,3].
+ */
+int				/*metrics_present*/
+zchar_get_metrics(const gs_font_base * pbfont, const ref * pcnref,
+		  double psbw[4])
+{
+    const ref *pfdict = &pfont_data(pbfont)->dict;
+    ref *pmdict;
+
+    if (dict_find_string(pfdict, "Metrics", &pmdict) > 0) {
+	ref *pmvalue;
+
+	check_type_only(*pmdict, t_dictionary);
+	check_dict_read(*pmdict);
+	if (dict_find(pmdict, pcnref, &pmvalue) > 0) {
+	    if (num_params(pmvalue, 1, psbw + 2) >= 0) {	/* <wx> only */
+		psbw[3] = 0;
+		return metricsWidthOnly;
+	    } else {
+		int code;
+
+		check_read_type_only(*pmvalue, t_array);
+		switch (r_size(pmvalue)) {
+		    case 2:	/* [<sbx> <wx>] */
+			code = num_params(pmvalue->value.refs + 1,
+					  2, psbw);
+			psbw[2] = psbw[1];
+			psbw[1] = psbw[3] = 0;
+			break;
+		    case 4:	/* [<sbx> <sby> <wx> <wy>] */
+			code = num_params(pmvalue->value.refs + 3,
+					  4, psbw);
+			break;
+		    default:
+			return_error(e_rangecheck);
+		}
+		if (code < 0)
+		    return code;
+		return metricsSideBearingAndWidth;
+	    }
+	}
+    }
+    return metricsNone;
+}
+
+/*
+ * Consult Metrics2 and CDevProc, and call setcachedevice[2].  Return
+ * o_push_estack if we had to call a CDevProc, or if we are skipping the
+ * rendering process (only getting the metrics).
+ */
+int
+zchar_set_cache(os_ptr op, const gs_font_base * pbfont, const ref * pcnref,
+	 const double psb[2], const double pwidth[2], const gs_rect * pbbox,
+	     int (*cont_fill)(P1(os_ptr)), int (*cont_stroke)(P1(os_ptr)))
+{
+    const ref *pfdict = &pfont_data(pbfont)->dict;
+    ref *pmdict;
+    ref *pcdevproc;
+    int have_cdevproc;
+    ref rpop;
+    bool metrics2 = false;
+    int (*cont) (P1(os_ptr));
+    double w2[10];
+    gs_show_enum *penum = op_show_find();
+
+    w2[0] = pwidth[0], w2[1] = pwidth[1];
+
+    /* Adjust the bounding box for stroking if needed. */
+
+    w2[2] = pbbox->p.x, w2[3] = pbbox->p.y;
+    w2[4] = pbbox->q.x, w2[5] = pbbox->q.y;
+    if (pbfont->PaintType == 0)
+	cont = cont_fill;
+    else {
+	double expand = max(1.415, gs_currentmiterlimit(igs)) *
+	gs_currentlinewidth(igs) / 2;
+
+	w2[2] -= expand, w2[3] -= expand;
+	w2[4] += expand, w2[5] += expand;
+	cont = cont_stroke;
+    }
+
+    /* Check for Metrics2. */
+
+    if (dict_find_string(pfdict, "Metrics2", &pmdict) > 0) {
+	ref *pmvalue;
+
+	check_type_only(*pmdict, t_dictionary);
+	check_dict_read(*pmdict);
+	if (dict_find(pmdict, pcnref, &pmvalue) > 0) {
+	    check_read_type_only(*pmvalue, t_array);
+	    if (r_size(pmvalue) == 4) {
+		int code = num_params(pmvalue->value.refs + 3,
+				      4, w2 + 6);
+
+		if (code < 0)
+		    return code;
+		metrics2 = true;
+	    }
+	}
+    }
+    /* Check for CDevProc or "short-circuiting". */
+
+    have_cdevproc = dict_find_string(pfdict, "CDevProc", &pcdevproc) > 0;
+    if (have_cdevproc || gs_show_width_only(penum)) {
+	int i;
+	int (*zsetc) (P1(os_ptr));
+	int nparams;
+
+	if (have_cdevproc) {
+	    check_proc_only(*pcdevproc);
+	    zsetc = zsetcachedevice2;
+	    if (!metrics2) {
+		w2[6] = w2[0], w2[7] = w2[1];
+		w2[8] = w2[9] = 0;
+	    }
+	    nparams = 10;
+	} else {
+	    make_oper(&rpop, 0, zpop);
+	    pcdevproc = &rpop;
+	    if (metrics2)
+		zsetc = zsetcachedevice2, nparams = 10;
+	    else
+		zsetc = zsetcachedevice, nparams = 6;
+	}
+	check_estack(3);
+	/* Push the l.s.b. for .type1addpath if necessary. */
+	if (psb != 0) {
+	    push(nparams + 3);
+	    make_real(op - (nparams + 2), psb[0]);
+	    make_real(op - (nparams + 1), psb[1]);
+	} else {
+	    push(nparams + 1);
+	}
+	for (i = 0; i < nparams; ++i)
+	    make_real(op - nparams + i, w2[i]);
+	ref_assign(op, pcnref);
+	push_op_estack(cont);
+	push_op_estack(zsetc);
+	++esp;
+	ref_assign(esp, pcdevproc);
+	return o_push_estack;
+    } {
+	int code =
+	(metrics2 ? gs_setcachedevice2_double(penum, igs, w2) :
+	 gs_setcachedevice_double(penum, igs, w2));
+
+	if (code < 0)
+	    return code;
+    }
+
+    /* No metrics modification, do the stroke or fill now. */
+
+    /* Push the l.s.b. for .type1addpath if necessary. */
+    if (psb != 0) {
+	push(2);
+	make_real(op - 1, psb[0]);
+	make_real(op, psb[1]);
+    }
+    return cont(op);
+}
diff --git a/pstoraster/zcid.c b/pstoraster/zcid.c
new file mode 100644
index 000000000..1211d249e
--- /dev/null
+++ b/pstoraster/zcid.c
@@ -0,0 +1,102 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CID-keyed font operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gsmatrix.h"
+#include "gsccode.h"
+#include "gxfont.h"
+#include "bfont.h"
+#include "iname.h"
+#include "store.h"
+
+/* Imported from zfont42.c */
+int build_gs_TrueType_font(P5(os_ptr op, font_type ftype,
+			      const char *bcstr, const char *bgstr,
+			      build_font_options_t options));
+
+/* <string|name> <font_dict> .buildfont9/10 <string|name> <font> */
+/* Build a type 9 or 10 (CID-keyed) font. */
+/* Right now, we treat these like type 3 (with a BuildGlyph procedure). */
+private int
+build_gs_cid_font(os_ptr op, font_type ftype, const build_proc_refs * pbuild)
+{
+    int code;
+    gs_font_base *pfont;
+
+    check_type(*op, t_dictionary);
+    code = build_gs_simple_font(op, &pfont, ftype, &st_gs_font_base,
+				pbuild,
+				bf_Encoding_optional |
+				bf_FontBBox_required |
+				bf_UniqueID_ignored);
+    if (code < 0)
+	return code;
+    return define_gs_font((gs_font *) pfont);
+}
+private int
+zbuildfont9(os_ptr op)
+{
+    build_proc_refs build;
+    int code = build_proc_name_refs(&build, NULL, "%Type9BuildGlyph");
+
+    if (code < 0)
+	return code;
+    return build_gs_cid_font(op, ft_CID_encrypted, &build);
+}
+private int
+zbuildfont10(os_ptr op)
+{
+    build_proc_refs build;
+    int code = build_gs_font_procs(op, &build);
+
+    if (code < 0)
+	return code;
+    make_null(&build.BuildChar);	/* only BuildGlyph */
+    return build_gs_cid_font(op, ft_CID_user_defined, &build);
+}
+
+/* <string|name> <font_dict> .buildfont11 <string|name> <font> */
+private int
+zbuildfont11(os_ptr op)
+{
+    return build_gs_TrueType_font(op, ft_CID_TrueType, (const char *)0,
+				  "%Type11BuildGlyph",
+				  bf_Encoding_optional |
+				  bf_FontBBox_required |
+				  bf_UniqueID_ignored |
+				  bf_CharStrings_optional);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcid_op_defs[] =
+{
+    {"2.buildfont9", zbuildfont9},
+    {"2.buildfont10", zbuildfont10},
+    {"2.buildfont11", zbuildfont11},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcie.c b/pstoraster/zcie.c
new file mode 100644
index 000000000..f5024e17c
--- /dev/null
+++ b/pstoraster/zcie.c
@@ -0,0 +1,731 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CIE color operators */
+#include "math_.h"
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gxcspace.h"		/* gscolor2.h requires gscspace.h */
+#include "gscolor2.h"
+#include "gscie.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "icie.h"
+#include "isave.h"
+#include "ivmspace.h"
+#include "store.h"		/* for make_null */
+
+/* CIE color dictionaries are so complex that */
+/* we handle the CIE case of setcolorspace separately here. */
+
+/* Empty procedures */
+static const ref empty_procs[4] =
+{
+    empty_ref_data(t_array, a_readonly | a_executable),
+    empty_ref_data(t_array, a_readonly | a_executable),
+    empty_ref_data(t_array, a_readonly | a_executable),
+    empty_ref_data(t_array, a_readonly | a_executable)
+};
+
+/* Redefined CIE color space installers that load the cache. */
+extern cs_proc_install_cspace(gx_install_CIEDEFG);
+extern cs_proc_install_cspace(gx_install_CIEDEF);
+extern cs_proc_install_cspace(gx_install_CIEABC);
+extern cs_proc_install_cspace(gx_install_CIEA);
+private cs_proc_install_cspace(cs_install_zCIEDEFG);
+private cs_proc_install_cspace(cs_install_zCIEDEF);
+private cs_proc_install_cspace(cs_install_zCIEABC);
+private cs_proc_install_cspace(cs_install_zCIEA);
+
+/* ------ Parameter extraction utilities ------ */
+
+/* Get a range array parameter from a dictionary. */
+/* We know that count <= 4. */
+int
+dict_ranges_param(const ref * pdref, const char *kstr, int count,
+		  gs_range * prange)
+{
+    int code = dict_float_array_param(pdref, kstr, count * 2,
+				      (float *)prange, NULL);
+
+    if (code < 0)
+	return code;
+    else if (code == 0)
+	memcpy(prange, Range4_default.ranges, count * sizeof(gs_range));
+    else if (code != count * 2)
+	return_error(e_rangecheck);
+    return 0;
+}
+
+/* Get an array of procedures from a dictionary. */
+/* We know count <= countof(empty_procs). */
+int
+dict_proc_array_param(const ref * pdict, const char *kstr,
+		      uint count, ref * pparray)
+{
+    ref *pvalue;
+
+    if (dict_find_string(pdict, kstr, &pvalue) > 0) {
+	uint i;
+
+	check_array_only(*pvalue);
+	if (r_size(pvalue) != count)
+	    return_error(e_rangecheck);
+	for (i = 0; i < count; i++) {
+	    ref proc;
+
+	    array_get(pvalue, (long)i, &proc);
+	    check_proc_only(proc);
+	}
+	*pparray = *pvalue;
+    } else
+	make_const_array(pparray, a_readonly | avm_foreign,
+			 count, &empty_procs[0]);
+    return 0;
+}
+
+/* Get WhitePoint and BlackPoint values. */
+int
+cie_points_param(const ref * pdref, gs_cie_wb * pwb)
+{
+    int code;
+
+    if ((code = dict_float_array_param(pdref, "WhitePoint", 3, (float *)&pwb->WhitePoint, NULL)) != 3 ||
+	(code = dict_float_array_param(pdref, "BlackPoint", 3, (float *)&pwb->BlackPoint, (const float *)&BlackPoint_default)) != 3
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    if (pwb->WhitePoint.u <= 0 ||
+	pwb->WhitePoint.v != 1 ||
+	pwb->WhitePoint.w <= 0 ||
+	pwb->BlackPoint.u < 0 ||
+	pwb->BlackPoint.v < 0 ||
+	pwb->BlackPoint.w < 0
+	)
+	return_error(e_rangecheck);
+    return 0;
+}
+
+/* Process a 3- or 4-dimensional lookup table from a dictionary. */
+/* The caller has set pclt->n and pclt->m. */
+/* ptref is known to be a readable array of size at least n+1. */
+private int cie_3d_table_param(P4(const ref * ptable, uint count, uint nbytes,
+				  gs_const_string * strings));
+int
+cie_table_param(const ref * ptref, gx_color_lookup_table * pclt,
+		gs_memory_t * mem)
+{
+    int n = pclt->n, m = pclt->m;
+    const ref *pta = ptref->value.const_refs;
+    int i;
+    uint nbytes;
+    int code;
+    gs_const_string *table;
+
+    for (i = 0; i < n; ++i) {
+	check_type_only(pta[i], t_integer);
+	if (pta[i].value.intval <= 1 || pta[i].value.intval > max_ushort)
+	    return_error(e_rangecheck);
+	pclt->dims[i] = (int)pta[i].value.intval;
+    }
+    nbytes = m * pclt->dims[n - 2] * pclt->dims[n - 1];
+    if (n == 3) {
+	/* gs_alloc_byte_array is ****** WRONG ****** */
+	table =
+	    (gs_const_string *) gs_alloc_byte_array(mem, pclt->dims[0],
+						    sizeof(gs_const_string),
+						    "cie_table_param");
+	if (table == 0)
+	    return_error(e_VMerror);
+	code = cie_3d_table_param(pta + 3, pclt->dims[0], nbytes, table);
+    } else {			/* n == 4 */
+	int d0 = pclt->dims[0], d1 = pclt->dims[1];
+	uint ntables = d0 * d1;
+	const ref *psuba;
+
+	check_read_type(pta[4], t_array);
+	if (r_size(pta + 4) != d0)
+	    return_error(e_rangecheck);
+	/* gs_alloc_byte_array is ****** WRONG ****** */
+	table =
+	    (gs_const_string *) gs_alloc_byte_array(mem, ntables,
+						    sizeof(gs_const_string),
+						    "cie_table_param");
+	if (table == 0)
+	    return_error(e_VMerror);
+	psuba = pta[4].value.const_refs;
+	for (i = 0; i < d0; ++i) {
+	    code = cie_3d_table_param(psuba + i, d1, nbytes, table + d1 * i);
+	    if (code < 0)
+		break;
+	}
+    }
+    if (code < 0) {
+	gs_free_object(mem, table, "cie_table_param");
+	return code;
+    }
+    pclt->table = table;
+    return 0;
+}
+private int
+cie_3d_table_param(const ref * ptable, uint count, uint nbytes,
+		   gs_const_string * strings)
+{
+    const ref *rstrings;
+    uint i;
+
+    check_read_type(*ptable, t_array);
+    if (r_size(ptable) != count)
+	return_error(e_rangecheck);
+    rstrings = ptable->value.const_refs;
+    for (i = 0; i < count; ++i) {
+	const ref *const prt2 = rstrings + i;
+
+	check_read_type(*prt2, t_string);
+	if (r_size(prt2) != nbytes)
+	    return_error(e_rangecheck);
+	strings[i].data = prt2->value.const_bytes;
+	strings[i].size = nbytes;
+    }
+    return 0;
+}
+
+/* ------ CIE setcolorspace ------ */
+
+/* Common code for the CIEBased* cases of setcolorspace. */
+private int
+cie_lmnp_param(const ref * pdref, gs_cie_common * pcie, ref_cie_procs * pcprocs)
+{
+    int code;
+
+    if ((code = dict_range3_param(pdref, "RangeLMN", &pcie->RangeLMN)) < 0 ||
+    (code = dict_proc3_param(pdref, "DecodeLMN", &pcprocs->DecodeLMN)) < 0 ||
+	(code = dict_matrix3_param(pdref, "MatrixLMN", &pcie->MatrixLMN)) != matrix3_ok ||
+	(code = cie_points_param(pdref, &pcie->points)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    pcie->DecodeLMN = DecodeLMN_default;
+    return 0;
+}
+
+/* Common code for the CIEBasedABC/DEF[G] cases of setcolorspace. */
+private int
+cie_abc_param(const ref * pdref, gs_cie_abc * pcie, ref_cie_procs * pcprocs)
+{
+    int code;
+
+    if ((code = dict_range3_param(pdref, "RangeABC", &pcie->RangeABC)) < 0 ||
+	(code = dict_proc3_param(pdref, "DecodeABC", &pcprocs->Decode.ABC)) < 0 ||
+	(code = dict_matrix3_param(pdref, "MatrixABC", &pcie->MatrixABC)) != matrix3_ok ||
+	(code = cie_lmnp_param(pdref, &pcie->common, pcprocs)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    pcie->DecodeABC = DecodeABC_default;
+    return 0;
+}
+
+/* Finish setting a CIE space. */
+private int
+set_cie_finish(os_ptr op, gs_color_space * pcs, const ref_cie_procs * pcprocs)
+{
+    ref_colorspace cspace_old;
+    uint edepth = ref_stack_count(&e_stack);
+    int code;
+
+    /* The color space installation procedure may refer to */
+    /* istate->colorspace.procs. */
+    cspace_old = istate->colorspace;
+    istate->colorspace.procs.cie = *pcprocs;
+    code = gs_setcolorspace(igs, pcs);
+    /* Delete the extra reference to the parameter tables. */
+    gs_cspace_release(pcs);
+    /* Free the top-level object, which was copied by gs_setcolorspace. */
+    gs_free_object(gs_state_memory(igs), pcs, "set_cie_finish");
+    if (code < 0) {
+	istate->colorspace = cspace_old;
+	ref_stack_pop_to(&e_stack, edepth);
+	return code;
+    }
+    pop(1);
+    return (ref_stack_count(&e_stack) == edepth ? 0 : o_push_estack);	/* installation will load the caches */
+}
+
+/* <dict> .setciedefgspace - */
+private int
+zsetciedefgspace(register os_ptr op)
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    gs_color_space *pcs;
+    ref_color_procs procs;
+    gs_cie_defg *pcie;
+    int code;
+    ref *ptref;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_find_string(op, "Table", &ptref)) <= 0)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    check_read_type(*ptref, t_array);
+    if (r_size(ptref) != 5)
+	return_error(e_rangecheck);
+    procs = istate->colorspace.procs;
+    code = gs_cspace_build_CIEDEFG(&pcs, NULL, mem);
+    if (code < 0)
+	return code;
+    pcie = pcs->params.defg;
+    pcie->common.install_cspace = cs_install_zCIEDEFG;
+    pcie->Table.n = 4;
+    pcie->Table.m = 3;
+    if ((code = dict_ranges_param(op, "RangeDEFG", 4, pcie->RangeDEFG.ranges)) < 0 ||
+	(code = dict_proc_array_param(op, "DecodeDEFG", 4, &procs.cie.PreDecode.DEFG)) < 0 ||
+	(code = dict_ranges_param(op, "RangeHIJK", 4, pcie->RangeHIJK.ranges)) < 0 ||
+	(code = cie_table_param(ptref, &pcie->Table, mem)) < 0 ||
+	(code = cie_abc_param(op, (gs_cie_abc *) pcie, &procs.cie)) < 0
+	) {
+	gs_cspace_release(pcs);
+	gs_free_object(mem, pcs, "setcolorspace(CIEBasedDEFG)");
+	return code;
+    }
+    return set_cie_finish(op, pcs, &procs.cie);
+}
+
+/* <dict> .setciedefspace - */
+private int
+zsetciedefspace(register os_ptr op)
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    gs_color_space *pcs;
+    ref_color_procs procs;
+    gs_cie_def *pcie;
+    int code;
+    ref *ptref;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_find_string(op, "Table", &ptref)) <= 0)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    check_read_type(*ptref, t_array);
+    if (r_size(ptref) != 4)
+	return_error(e_rangecheck);
+    procs = istate->colorspace.procs;
+    code = gs_cspace_build_CIEDEF(&pcs, NULL, mem);
+    if (code < 0)
+	return code;
+    pcie = pcs->params.def;
+    pcie->common.install_cspace = cs_install_zCIEDEF;
+    pcie->Table.n = 3;
+    pcie->Table.m = 3;
+    if ((code = dict_range3_param(op, "RangeDEF", &pcie->RangeDEF)) < 0 ||
+	(code = dict_proc3_param(op, "DecodeDEF", &procs.cie.PreDecode.DEF)) < 0 ||
+	(code = dict_range3_param(op, "RangeHIJ", &pcie->RangeHIJ)) < 0 ||
+	(code = cie_table_param(ptref, &pcie->Table, mem)) < 0 ||
+	(code = cie_abc_param(op, (gs_cie_abc *) pcie, &procs.cie)) < 0
+	) {
+	gs_cspace_release(pcs);
+	gs_free_object(mem, pcs, "setcolorspace(CIEBasedDEF)");
+	return code;
+    }
+    return set_cie_finish(op, pcs, &procs.cie);
+}
+
+/* <dict> .setcieabcspace - */
+private int
+zsetcieabcspace(register os_ptr op)
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    gs_color_space *pcs;
+    ref_color_procs procs;
+    gs_cie_abc *pcie;
+    int code;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    procs = istate->colorspace.procs;
+    code = gs_cspace_build_CIEABC(&pcs, NULL, mem);
+    if (code < 0)
+	return code;
+    pcie = pcs->params.abc;
+    pcie->common.install_cspace = cs_install_zCIEABC;
+    code = cie_abc_param(op, pcie, &procs.cie);
+    if (code < 0) {
+	gs_cspace_release(pcs);
+	gs_free_object(mem, pcs, "setcolorspace(CIEBasedABC)");
+	return code;
+    }
+    return set_cie_finish(op, pcs, &procs.cie);
+}
+
+/* <dict> .setcieaspace - */
+private int
+zsetcieaspace(register os_ptr op)
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    gs_color_space *pcs;
+    ref_color_procs procs;
+    gs_cie_a *pcie;
+    int code;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    procs = istate->colorspace.procs;
+    if ((code = dict_proc_param(op, "DecodeA", &procs.cie.Decode.A, true)) < 0)
+	return code;
+    code = gs_cspace_build_CIEA(&pcs, NULL, mem);
+    if (code < 0)
+	return code;
+    pcie = pcs->params.a;
+    pcie->common.install_cspace = cs_install_zCIEA;
+    if ((code = dict_float_array_param(op, "RangeA", 2, (float *)&pcie->RangeA, (const float *)&RangeA_default)) != 2 ||
+	(code = dict_float_array_param(op, "MatrixA", 3, (float *)&pcie->MatrixA, (const float *)&MatrixA_default)) != 3 ||
+	(code = cie_lmnp_param(op, &pcie->common, &procs.cie)) < 0
+	) {
+	gs_cspace_release(pcs);
+	gs_free_object(mem, pcs, "setcolorspace(CIEBasedA)");
+	return code;
+    }
+    pcie->DecodeA = DecodeA_default;
+    return set_cie_finish(op, pcs, &procs.cie);
+}
+
+/* ------ Install a CIE-based color space. ------ */
+
+/* Forward references */
+private int cache_common(P4(gs_cie_common *, const ref_cie_procs *,
+			    void *, gs_ref_memory_t *));
+private int cache_abc_common(P4(gs_cie_abc *, const ref_cie_procs *,
+				void *, gs_ref_memory_t *));
+
+private int cie_defg_finish(P1(os_ptr));
+private int
+cs_install_zCIEDEFG(gs_color_space * pcs, gs_state * pgs)
+{
+    es_ptr ep = esp;
+    gs_cie_defg *pcie = pcs->params.defg;
+    gs_ref_memory_t *imem = (gs_ref_memory_t *) gs_state_memory(pgs);
+    const int_gstate *pigs = gs_int_gstate(pgs);
+    const ref_cie_procs *pcprocs = &pigs->colorspace.procs.cie;
+    int code = gx_install_CIEDEFG(pcs, pgs);	/* base routine */
+
+    if (code < 0 ||
+	(code = cie_cache_joint(&pigs->colorrendering.procs, pgs)) < 0 ||	/* do this last */
+	(code = cie_cache_push_finish(cie_defg_finish, imem, pcie)) < 0 ||
+	(code = cie_prepare_cache4(&pcie->RangeDEFG,
+				   pcprocs->PreDecode.DEFG.value.const_refs,
+				   &pcie->caches_defg.DecodeDEFG[0],
+				   pcie, imem, "Decode.DEFG")) < 0 ||
+	(code = cache_abc_common((gs_cie_abc *)pcie, pcprocs, pcie, imem)) < 0
+	) {
+	esp = ep;
+	return code;
+    }
+    return o_push_estack;
+}
+private int
+cie_defg_finish(os_ptr op)
+{
+    gs_cie_defg_complete(r_ptr(op, gs_cie_defg));
+    pop(1);
+    return 0;
+}
+
+private int cie_def_finish(P1(os_ptr));
+private int
+cs_install_zCIEDEF(gs_color_space * pcs, gs_state * pgs)
+{
+    es_ptr ep = esp;
+    gs_cie_def *pcie = pcs->params.def;
+    gs_ref_memory_t *imem = (gs_ref_memory_t *) gs_state_memory(pgs);
+    const int_gstate *pigs = gs_int_gstate(pgs);
+    const ref_cie_procs *pcprocs = &pigs->colorspace.procs.cie;
+    int code = gx_install_CIEDEF(pcs, pgs);	/* base routine */
+
+    if (code < 0 ||
+	(code = cie_cache_joint(&pigs->colorrendering.procs, pgs)) < 0 ||	/* do this last */
+	(code = cie_cache_push_finish(cie_def_finish, imem, pcie)) < 0 ||
+	(code = cie_prepare_cache3(&pcie->RangeDEF,
+				   pcprocs->PreDecode.DEF.value.const_refs,
+				   &pcie->caches_def.DecodeDEF[0],
+				   pcie, imem, "Decode.DEF")) < 0 ||
+	(code = cache_abc_common((gs_cie_abc *)pcie, pcprocs, pcie, imem)) < 0
+	) {
+	esp = ep;
+	return code;
+    }
+    return o_push_estack;
+}
+private int
+cie_def_finish(os_ptr op)
+{
+    gs_cie_def_complete(r_ptr(op, gs_cie_def));
+    pop(1);
+    return 0;
+}
+
+private int cie_abc_finish(P1(os_ptr));
+private int
+cs_install_zCIEABC(gs_color_space * pcs, gs_state * pgs)
+{
+    es_ptr ep = esp;
+    gs_cie_abc *pcie = pcs->params.abc;
+    gs_ref_memory_t *imem = (gs_ref_memory_t *) gs_state_memory(pgs);
+    const int_gstate *pigs = gs_int_gstate(pgs);
+    const ref_cie_procs *pcprocs = &pigs->colorspace.procs.cie;
+    int code = gx_install_CIEABC(pcs, pgs);	/* base routine */
+
+    if (code < 0 ||
+	(code = cie_cache_joint(&pigs->colorrendering.procs, pgs)) < 0 ||	/* do this last */
+	(code = cie_cache_push_finish(cie_abc_finish, imem, pcie)) < 0 ||
+	(code = cache_abc_common(pcie, pcprocs, pcie, imem)) < 0
+	) {
+	esp = ep;
+	return code;
+    }
+    return o_push_estack;
+}
+private int
+cie_abc_finish(os_ptr op)
+{
+    gs_cie_abc_complete(r_ptr(op, gs_cie_abc));
+    pop(1);
+    return 0;
+}
+
+private int cie_a_finish(P1(os_ptr));
+private int
+cs_install_zCIEA(gs_color_space * pcs, gs_state * pgs)
+{
+    es_ptr ep = esp;
+    gs_cie_a *pcie = pcs->params.a;
+    gs_ref_memory_t *imem = (gs_ref_memory_t *) gs_state_memory(pgs);
+    const int_gstate *pigs = gs_int_gstate(pgs);
+    const ref_cie_procs *pcprocs = &pigs->colorspace.procs.cie;
+    int code = gx_install_CIEA(pcs, pgs);	/* base routine */
+
+    if (code < 0 ||
+	(code = cie_cache_joint(&pigs->colorrendering.procs, pgs)) < 0 ||	/* do this last */
+	(code = cie_cache_push_finish(cie_a_finish, imem, pcie)) < 0 ||
+	(code = cie_prepare_cache(&pcie->RangeA, &pcprocs->Decode.A, &pcie->caches.DecodeA.floats, pcie, imem, "Decode.A")) < 0 ||
+	(code = cache_common(&pcie->common, pcprocs, pcie, imem)) < 0
+	) {
+	esp = ep;
+	return code;
+    }
+    return o_push_estack;
+}
+private int
+cie_a_finish(os_ptr op)
+{
+    gs_cie_a_complete(r_ptr(op, gs_cie_a));
+    pop(1);
+    return 0;
+}
+
+/* Common cache code */
+
+private int
+cache_abc_common(gs_cie_abc * pcie, const ref_cie_procs * pcprocs,
+		 void *container, gs_ref_memory_t * imem)
+{
+    int code =
+	cie_prepare_cache3(&pcie->RangeABC,
+			   pcprocs->Decode.ABC.value.const_refs,
+			   &pcie->caches.DecodeABC[0], pcie, imem,
+			   "Decode.ABC");
+
+    return (code < 0 ? code :
+	    cache_common(&pcie->common, pcprocs, pcie, imem));
+}
+
+private int
+cache_common(gs_cie_common * pcie, const ref_cie_procs * pcprocs,
+	     void *container, gs_ref_memory_t * imem)
+{
+    return cie_prepare_cache3(&pcie->RangeLMN,
+			      pcprocs->DecodeLMN.value.const_refs,
+			      &pcie->caches.DecodeLMN[0], container, imem,
+			      "Decode.LMN");
+}
+
+/* ------ Internal routines ------ */
+
+/* Prepare to cache the values for one or more procedures. */
+private int cie_cache_finish1(P1(os_ptr));
+private int cie_cache_finish(P1(os_ptr));
+int
+cie_prepare_cache(const gs_range * domain, const ref * proc,
+		  cie_cache_floats * pcache, void *container,
+		  gs_ref_memory_t * imem, client_name_t cname)
+{
+    int space = imemory_space(imem);
+    gs_for_loop_params flp;
+    es_ptr ep;
+
+    gs_cie_cache_init(&pcache->params, &flp, domain, cname);
+    pcache->params.is_identity = r_size(proc) == 0;
+    /*
+     * If a matrix was singular, it is possible that flp.step = 0.
+     * In this case, flp.limit = flp.init as well.
+     * Execute the procedure once, and replicate the result.
+     */
+    if (flp.step == 0) {
+	check_estack(5);
+	ep = esp;
+	make_real(ep + 5, flp.init);
+	ep[4] = *proc;
+	make_op_estack(ep + 3, cie_cache_finish1);
+	esp += 5;
+    } else {
+	check_estack(9);
+	ep = esp;
+	make_real(ep + 9, flp.init);
+	make_real(ep + 8, flp.step);
+	make_real(ep + 7, flp.limit);
+	ep[6] = *proc;
+	r_clear_attrs(ep + 6, a_executable);
+	make_op_estack(ep + 5, zcvx);
+	make_op_estack(ep + 4, zfor);
+	make_op_estack(ep + 3, cie_cache_finish);
+	esp += 9;
+    }
+    /*
+     * The caches are embedded in the middle of other
+     * structures, so we represent the pointer to the cache
+     * as a pointer to the container plus an offset.
+     */
+    make_int(ep + 2, (char *)pcache - (char *)container);
+    make_struct(ep + 1, space, container);
+    return o_push_estack;
+}
+/* Note that pc3 may be 0, indicating that there are only 3 caches to load. */
+int
+cie_prepare_caches_4(const gs_range * domains, const ref * procs,
+		     cie_cache_floats * pc0, cie_cache_floats * pc1,
+		     cie_cache_floats * pc2, cie_cache_floats * pc3,
+		     void *container,
+		     gs_ref_memory_t * imem, client_name_t cname)
+{
+    cie_cache_floats *pcn[4];
+    int i, n, code = 0;
+
+    pcn[0] = pc0, pcn[1] = pc1, pcn[2] = pc2;
+    if (pc3 == 0)
+	n = 3;
+    else
+	pcn[3] = pc3, n = 4;
+    for (i = 0; i < n && code >= 0; ++i)
+	code = cie_prepare_cache(domains + i, procs + i, pcn[i],
+				 container, imem, cname);
+    return code;
+}
+
+/* Store the result of caching one procedure. */
+private int
+cie_cache_finish_store(os_ptr op, bool replicate)
+{
+    cie_cache_floats *pcache;
+    int code;
+
+    check_esp(2);
+    /* See above for the container + offset representation of */
+    /* the pointer to the cache. */
+    pcache = (cie_cache_floats *) (r_ptr(esp - 1, char) + esp->value.intval);
+
+    if_debug3('c', "[c]cache 0x%lx base=%g, factor=%g:\n",
+	      (ulong) pcache, pcache->params.base, pcache->params.factor);
+    if (replicate ||
+	(code = float_params(op, gx_cie_cache_size, &pcache->values[0])) < 0
+	) {
+	/* We might have underflowed the current stack block. */
+	/* Handle the parameters one-by-one. */
+	uint i;
+
+	for (i = 0; i < gx_cie_cache_size; i++) {
+	    code = float_param(ref_stack_index(&o_stack,
+			       (replicate ? 0 : gx_cie_cache_size - 1 - i)),
+			       &pcache->values[i]);
+	    if (code < 0)
+		return code;
+	}
+    }
+#ifdef DEBUG
+    if (gs_debug_c('c')) {
+	int i;
+
+	for (i = 0; i < gx_cie_cache_size; i += 4)
+	    dlprintf5("[c]  cache[%3d]=%g, %g, %g, %g\n", i,
+		      pcache->values[i], pcache->values[i + 1],
+		      pcache->values[i + 2], pcache->values[i + 3]);
+    }
+#endif
+    ref_stack_pop(&o_stack, (replicate ? 1 : gx_cie_cache_size));
+    esp -= 2;			/* pop pointer to cache */
+    return o_pop_estack;
+}
+private int
+cie_cache_finish(os_ptr op)
+{
+    return cie_cache_finish_store(op, false);
+}
+private int
+cie_cache_finish1(os_ptr op)
+{
+    return cie_cache_finish_store(op, true);
+}
+
+/* Push a finishing procedure on the e-stack. */
+/* ptr will be the top element of the o-stack. */
+int
+cie_cache_push_finish(int (*finish_proc) (P1(os_ptr)), gs_ref_memory_t * imem,
+		      void *data)
+{
+    check_estack(2);
+    push_op_estack(finish_proc);
+    ++esp;
+    make_struct(esp, imemory_space(imem), data);
+    return o_push_estack;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcie_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"1.setcieaspace", zsetcieaspace},
+    {"1.setcieabcspace", zsetcieabcspace},
+    {"1.setciedefspace", zsetciedefspace},
+    {"1.setciedefgspace", zsetciedefgspace},
+		/* Internal operators */
+    {"1%cie_defg_finish", cie_defg_finish},
+    {"1%cie_def_finish", cie_def_finish},
+    {"1%cie_abc_finish", cie_abc_finish},
+    {"1%cie_a_finish", cie_a_finish},
+    {"0%cie_cache_finish", cie_cache_finish},
+    {"1%cie_cache_finish1", cie_cache_finish1},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcolor.c b/pstoraster/zcolor.c
new file mode 100644
index 000000000..27e12d1ad
--- /dev/null
+++ b/pstoraster/zcolor.c
@@ -0,0 +1,241 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Color operators */
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "igstate.h"
+#include "iutil.h"
+#include "store.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gzstate.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "icolor.h"
+
+/* Import the 'for' operator */
+extern int
+    zfor_fraction(P1(os_ptr));
+
+/* Imported from gsht.c */
+void gx_set_effective_transfer(P1(gs_state *));
+
+/* Define the number of stack slots needed for zcolor_remap_one. */
+const int zcolor_remap_one_ostack = 4;
+const int zcolor_remap_one_estack = 3;
+
+/* - currentgray <gray> */
+private int
+zcurrentgray(register os_ptr op)
+{
+    push(1);
+    make_real(op, gs_currentgray(igs));
+    return 0;
+}
+
+/* - currentrgbcolor <red> <green> <blue> */
+private int
+zcurrentrgbcolor(register os_ptr op)
+{
+    float par[3];
+
+    gs_currentrgbcolor(igs, par);
+    push(3);
+    make_floats(op - 2, par, 3);
+    return 0;
+}
+
+/* - currenttransfer <proc> */
+private int
+zcurrenttransfer(register os_ptr op)
+{
+    push(1);
+    *op = istate->transfer_procs.colored.gray;
+    return 0;
+}
+
+/* - processcolors <int> - */
+/* Note: this is an undocumented operator that is not supported */
+/* in Level 2. */
+private int
+zprocesscolors(register os_ptr op)
+{
+    push(1);
+    make_int(op, gs_currentdevice(igs)->color_info.num_components);
+    return 0;
+}
+
+/* <gray> setgray - */
+private int
+zsetgray(register os_ptr op)
+{
+    double gray;
+    int code;
+
+    if (real_param(op, &gray) < 0)
+	return_op_typecheck(op);
+    if ((code = gs_setgray(igs, gray)) < 0)
+	return code;
+    make_null(&istate->colorspace.array);
+    pop(1);
+    return 0;
+}
+
+/* <red> <green> <blue> setrgbcolor - */
+private int
+zsetrgbcolor(register os_ptr op)
+{
+    double par[3];
+    int code;
+
+    if ((code = num_params(op, 3, par)) < 0 ||
+	(code = gs_setrgbcolor(igs, par[0], par[1], par[2])) < 0
+	)
+	return code;
+    make_null(&istate->colorspace.array);
+    pop(3);
+    return 0;
+}
+
+/* <proc> settransfer - */
+private int
+zsettransfer(register os_ptr op)
+{
+    int code;
+
+    check_proc(*op);
+    check_ostack(zcolor_remap_one_ostack - 1);
+    check_estack(1 + zcolor_remap_one_estack);
+    istate->transfer_procs.colored.red =
+	istate->transfer_procs.colored.green =
+	istate->transfer_procs.colored.blue =
+	istate->transfer_procs.colored.gray = *op;
+    code = gs_settransfer_remap(igs, gs_mapped_transfer, false);
+    if (code < 0)
+	return code;
+    push_op_estack(zcolor_reset_transfer);
+    pop(1);
+    op--;
+    return zcolor_remap_one(&istate->transfer_procs.colored.gray, op,
+			    igs->set_transfer.colored.gray, igs,
+			    zcolor_remap_one_finish);
+}
+
+/* ------ Internal routines ------ */
+
+/* Prepare to remap one color component */
+/* (also used for black generation and undercolor removal). */
+/* Use the 'for' operator to gather the values. */
+/* The caller must have done the necessary check_ostack and check_estack. */
+int
+zcolor_remap_one(const ref * pproc, register os_ptr op, gx_transfer_map * pmap,
+		 const gs_state * pgs, int (*finish_proc)(P1(os_ptr)))
+{
+    osp = op += 4;
+    make_int(op - 3, 0);
+    make_int(op - 2, 1);
+    make_int(op - 1, transfer_map_size - 1);
+    *op = *pproc;
+    ++esp;
+    make_struct(esp, imemory_space((gs_ref_memory_t *) pgs->memory),
+		pmap);
+    push_op_estack(finish_proc);
+    push_op_estack(zfor_fraction);
+    return o_push_estack;
+}
+
+/* Store the result of remapping a component. */
+private int
+zcolor_remap_one_store(os_ptr op, floatp min_value)
+{
+    int i;
+    gx_transfer_map *pmap = r_ptr(esp, gx_transfer_map);
+
+    if (ref_stack_count(&o_stack) < transfer_map_size)
+	return_error(e_stackunderflow);
+    for (i = 0; i < transfer_map_size; i++) {
+	double v;
+	int code =
+	    real_param(ref_stack_index(&o_stack, transfer_map_size - 1 - i),
+		       &v);
+
+	if (code < 0)
+	    return code;
+	pmap->values[i] =
+	    (v < min_value ? float2frac(min_value) :
+	     v >= 1.0 ? frac_1 :
+	     float2frac(v));
+    }
+    ref_stack_pop(&o_stack, transfer_map_size);
+    esp--;			/* pop pointer to transfer map */
+    return o_pop_estack;
+}
+int
+zcolor_remap_one_finish(os_ptr op)
+{
+    return zcolor_remap_one_store(op, 0.0);
+}
+int
+zcolor_remap_one_signed_finish(os_ptr op)
+{
+    return zcolor_remap_one_store(op, -1.0);
+}
+
+/* Finally, reset the effective transfer functions and */
+/* invalidate the current color. */
+int
+zcolor_reset_transfer(os_ptr op)
+{
+    gx_set_effective_transfer(igs);
+    return zcolor_remap_color(op);
+}
+int
+zcolor_remap_color(os_ptr op)
+{
+    gx_unset_dev_color(igs);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcolor_op_defs[] =
+{
+    {"0currentgray", zcurrentgray},
+    {"0currentrgbcolor", zcurrentrgbcolor},
+    {"0currenttransfer", zcurrenttransfer},
+    {"0processcolors", zprocesscolors},
+    {"1setgray", zsetgray},
+    {"3setrgbcolor", zsetrgbcolor},
+    {"1settransfer", zsettransfer},
+		/* Internal operators */
+    {"1%zcolor_remap_one_finish", zcolor_remap_one_finish},
+    {"1%zcolor_remap_one_signed_finish", zcolor_remap_one_signed_finish},
+    {"0%zcolor_reset_transfer", zcolor_reset_transfer},
+    {"0%zcolor_remap_color", zcolor_remap_color},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcolor1.c b/pstoraster/zcolor1.c
new file mode 100644
index 000000000..7f6daf786
--- /dev/null
+++ b/pstoraster/zcolor1.c
@@ -0,0 +1,247 @@
+/* Copyright (C) 1993, 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 1 extended color operators */
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "igstate.h"
+#include "iutil.h"
+#include "store.h"
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gzstate.h"
+#include "gxdevice.h"
+#include "gxcmap.h"
+#include "gscolor1.h"
+#include "gxcspace.h"
+#include "icolor.h"
+#include "iimage.h"
+
+/* - currentblackgeneration <proc> */
+private int
+zcurrentblackgeneration(register os_ptr op)
+{
+    push(1);
+    *op = istate->black_generation;
+    return 0;
+}
+
+/* - currentcmykcolor <cyan> <magenta> <yellow> <black> */
+private int
+zcurrentcmykcolor(register os_ptr op)
+{
+    float par[4];
+
+    gs_currentcmykcolor(igs, par);
+    push(4);
+    make_floats(op - 3, par, 4);
+    return 0;
+}
+
+/* - currentcolortransfer <redproc> <greenproc> <blueproc> <grayproc> */
+private int
+zcurrentcolortransfer(register os_ptr op)
+{
+    push(4);
+    op[-3] = istate->transfer_procs.colored.red;
+    op[-2] = istate->transfer_procs.colored.green;
+    op[-1] = istate->transfer_procs.colored.blue;
+    *op = istate->transfer_procs.colored.gray;
+    return 0;
+}
+
+/* - currentundercolorremoval <proc> */
+private int
+zcurrentundercolorremoval(register os_ptr op)
+{
+    push(1);
+    *op = istate->undercolor_removal;
+    return 0;
+}
+
+/* <proc> setblackgeneration - */
+private int
+zsetblackgeneration(register os_ptr op)
+{
+    int code;
+
+    check_proc(*op);
+    check_ostack(zcolor_remap_one_ostack - 1);
+    check_estack(1 + zcolor_remap_one_estack);
+    code = gs_setblackgeneration_remap(igs, gs_mapped_transfer, false);
+    if (code < 0)
+	return code;
+    istate->black_generation = *op;
+    pop(1);
+    op--;
+    push_op_estack(zcolor_remap_color);
+    return zcolor_remap_one(&istate->black_generation, op,
+			    igs->black_generation, igs,
+			    zcolor_remap_one_finish);
+}
+
+/* <cyan> <magenta> <yellow> <black> setcmykcolor - */
+private int
+zsetcmykcolor(register os_ptr op)
+{
+    double par[4];
+    int code;
+
+    if ((code = num_params(op, 4, par)) < 0 ||
+	(code = gs_setcmykcolor(igs, par[0], par[1], par[2], par[3])) < 0
+	)
+	return code;
+    make_null(&istate->colorspace.array);
+    pop(4);
+    return 0;
+}
+
+/* <redproc> <greenproc> <blueproc> <grayproc> setcolortransfer - */
+private int
+zsetcolortransfer(register os_ptr op)
+{
+    int code;
+
+    check_proc(op[-3]);
+    check_proc(op[-2]);
+    check_proc(op[-1]);
+    check_proc(*op);
+    check_ostack(zcolor_remap_one_ostack * 4 - 4);
+    check_estack(1 + zcolor_remap_one_estack * 4);
+    istate->transfer_procs.colored.red = op[-3];
+    istate->transfer_procs.colored.green = op[-2];
+    istate->transfer_procs.colored.blue = op[-1];
+    istate->transfer_procs.colored.gray = *op;
+    if ((code = gs_setcolortransfer_remap(igs,
+				     gs_mapped_transfer, gs_mapped_transfer,
+				     gs_mapped_transfer, gs_mapped_transfer,
+					  false)) < 0
+	)
+	return code;
+    /* Use osp rather than op here, because zcolor_remap_one pushes. */
+    pop(4);
+    op -= 4;
+    push_op_estack(zcolor_reset_transfer);
+    if ((code = zcolor_remap_one(&istate->transfer_procs.colored.red,
+				 osp, igs->set_transfer.colored.red, igs,
+				 zcolor_remap_one_finish)) < 0 ||
+	(code = zcolor_remap_one(&istate->transfer_procs.colored.green,
+				 osp, igs->set_transfer.colored.green, igs,
+				 zcolor_remap_one_finish)) < 0 ||
+	(code = zcolor_remap_one(&istate->transfer_procs.colored.blue,
+				 osp, igs->set_transfer.colored.blue, igs,
+				 zcolor_remap_one_finish)) < 0
+	)
+	return code;
+    return zcolor_remap_one(&istate->transfer_procs.colored.gray,
+			    osp, igs->set_transfer.colored.gray, igs,
+			    zcolor_remap_one_finish);
+}
+
+/* <proc> setundercolorremoval - */
+private int
+zsetundercolorremoval(register os_ptr op)
+{
+    int code;
+
+    check_proc(*op);
+    check_ostack(zcolor_remap_one_ostack - 1);
+    check_estack(1 + zcolor_remap_one_estack);
+    code = gs_setundercolorremoval_remap(igs, gs_mapped_transfer, false);
+    if (code < 0)
+	return code;
+    istate->undercolor_removal = *op;
+    pop(1);
+    op--;
+    push_op_estack(zcolor_remap_color);
+    return zcolor_remap_one(&istate->undercolor_removal, op,
+			    igs->undercolor_removal, igs,
+			    zcolor_remap_one_signed_finish);
+}
+
+/* <width> <height> <bits/comp> <matrix> */
+/*      <datasrc_0> ... <datasrc_ncomp-1> true <ncomp> colorimage - */
+/*      <datasrc> false <ncomp> colorimage - */
+int zimage_multiple(P2(os_ptr op, bool has_alpha));
+private int
+zcolorimage(register os_ptr op)
+{
+    return zimage_multiple(op, false);
+}
+/* We export zimage_multiple for alphaimage. */
+int
+zimage_multiple(os_ptr op, bool has_alpha)
+{
+    int spp;			/* samples per pixel */
+    int npop = 7;
+    os_ptr procp = op - 2;
+    const gs_color_space *pcs;
+    bool multi = false;
+
+    check_int_leu(*op, 4);	/* ncolors */
+    check_type(op[-1], t_boolean);	/* multiproc */
+    switch ((spp = (int)(op->value.intval))) {
+	case 1:
+	    pcs = gs_cspace_DeviceGray((const gs_imager_state *)igs);
+	    break;
+	case 3:
+	    pcs = gs_cspace_DeviceRGB((const gs_imager_state *)igs);
+	    goto color;
+	case 4:
+	    pcs = gs_cspace_DeviceCMYK((const gs_imager_state *)igs);
+color:
+	    if (op[-1].value.boolval) {	/* planar format */
+		if (has_alpha)
+		    ++spp;
+		npop += spp - 1;
+		procp -= spp - 1;
+		multi = true;
+	    }
+	    break;
+	default:
+	    return_error(e_rangecheck);
+    }
+    return zimage_opaque_setup(procp, multi,
+		    (has_alpha ? gs_image_alpha_last : gs_image_alpha_none),
+			       pcs, npop);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcolor1_op_defs[] =
+{
+    {"0currentblackgeneration", zcurrentblackgeneration},
+    {"0currentcmykcolor", zcurrentcmykcolor},
+    {"0currentcolortransfer", zcurrentcolortransfer},
+    {"0currentundercolorremoval", zcurrentundercolorremoval},
+    {"1setblackgeneration", zsetblackgeneration},
+    {"4setcmykcolor", zsetcmykcolor},
+    {"4setcolortransfer", zsetcolortransfer},
+    {"1setundercolorremoval", zsetundercolorremoval},
+    {"7colorimage", zcolorimage},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcolor2.c b/pstoraster/zcolor2.c
new file mode 100644
index 000000000..a3085a9eb
--- /dev/null
+++ b/pstoraster/zcolor2.c
@@ -0,0 +1,191 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 color operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gscolor.h"
+#include "gsmatrix.h"
+#include "gsstruct.h"
+#include "gxcspace.h"
+#include "gxfixed.h"		/* for gxcolor2.h */
+#include "gxcolor2.h"
+#include "gxdcolor.h"		/* for gxpcolor.h */
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* for gxpcolor.h */
+#include "gxpcolor.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "istruct.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "store.h"
+
+/* Declare a local alias for st_pattern_instance. */
+/* We do this so we can have configurations with */
+/* the base Level 2 color machinery but without patterns. */
+gs_memory_type_ptr_t zcolor2_st_pattern_instance_p = 0;
+
+/* Forward references */
+private int store_color_params(P3(os_ptr, const gs_paint_color *,
+				  const gs_color_space *));
+private int load_color_params(P3(os_ptr, gs_paint_color *,
+				 const gs_color_space *));
+
+/* - currentcolor <param1> ... <paramN> */
+private int
+zcurrentcolor(register os_ptr op)
+{
+    const gs_client_color *pc = gs_currentcolor(igs);
+    const gs_color_space *pcs = gs_currentcolorspace(igs);
+    int n;
+
+    check_ostack(5);		/* Worst case: CMYK + pattern */
+    if (pcs->type->index == gs_color_space_index_Pattern) {
+	n = 1;
+	if (pc->pattern != 0 && pc->pattern->template.PaintType == 2)	/* uncolored */
+	    n += store_color_params(op, &pc->paint,
+		   (const gs_color_space *)&pcs->params.pattern.base_space);
+	op[n] = istate->pattern;
+    } else
+	n = store_color_params(op, &pc->paint, pcs);
+    push(n);
+    return 0;
+}
+
+/* - .currentcolorspace <array|int> */
+private int
+zcurrentcolorspace(register os_ptr op)
+{
+    push(1);
+    if (r_has_type(&istate->colorspace.array, t_null)) {
+	/*
+	 * Return the color space index.  This is only possible
+	 * for the parameterless color spaces.
+	 */
+	make_int(op, (int)(gs_currentcolorspace(igs)->type->index));
+    } else
+	*op = istate->colorspace.array;
+    return 0;
+}
+
+/* <param1> ... <paramN> setcolor - */
+private int
+zsetcolor(register os_ptr op)
+{
+    gs_client_color c;
+    const gs_color_space *pcs = gs_currentcolorspace(igs);
+    int n, code;
+    gs_pattern_instance *pinst = 0;
+
+    if (pcs->type->index == gs_color_space_index_Pattern) {
+	/* Make sure *op is a real Pattern. */
+	ref *pImpl;
+
+	check_type(*op, t_dictionary);
+	check_dict_read(*op);
+	if (dict_find_string(op, "Implementation", &pImpl) <= 0 ||
+	    !r_has_stype(pImpl, imemory, *zcolor2_st_pattern_instance_p)
+	    )
+	    return_error(e_rangecheck);
+	pinst = r_ptr(pImpl, gs_pattern_instance);
+	c.pattern = pinst;
+	if (pinst->template.PaintType == 2) {	/* uncolored */
+	    if (!pcs->params.pattern.has_base_space)
+		return_error(e_rangecheck);
+	    n = load_color_params(op - 1, &c.paint,
+		   (const gs_color_space *)&pcs->params.pattern.base_space);
+	    if (n < 0)
+		return n;
+	    n++;
+	} else
+	    n = 1;
+    } else {
+	n = load_color_params(op, &c.paint, pcs);
+	c.pattern = 0;		/* for GC */
+    }
+    if (n < 0)
+	return n;
+    code = gs_setcolor(igs, &c);
+    if (code < 0)
+	return code;
+    if (pinst != 0)
+	istate->pattern = *op;
+    pop(n);
+    return code;
+}
+
+/* <array> .setcolorspace - */
+private int
+zsetcolorspace(register os_ptr op)
+{
+    check_type(*op, t_array);
+    istate->colorspace.array = *op;
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcolor2_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"0currentcolor", zcurrentcolor},
+    {"0.currentcolorspace", zcurrentcolorspace},
+    {"1setcolor", zsetcolor},
+    {"1.setcolorspace", zsetcolorspace},
+    op_def_end(0)
+};
+
+/* ------ Internal procedures ------ */
+
+/* Store non-pattern color values on the operand stack. */
+/* Return the number of values stored. */
+private int
+store_color_params(os_ptr op, const gs_paint_color * pc,
+		   const gs_color_space * pcs)
+{
+    int n = cs_num_components(pcs);
+
+    if (pcs->type->index == gs_color_space_index_Indexed)
+	make_int(op + 1, (int)pc->values[0]);
+    else
+	make_floats(op + 1, pc->values, n);
+    return n;
+}
+
+/* Load non-pattern color values from the operand stack. */
+/* Return the number of values stored. */
+private int
+load_color_params(os_ptr op, gs_paint_color * pc, const gs_color_space * pcs)
+{
+    int n = cs_num_components(pcs);
+    int code = float_params(op, n, pc->values);
+
+    if (code < 0)
+	return code;
+    return n;
+}
diff --git a/pstoraster/zcontrol.c b/pstoraster/zcontrol.c
new file mode 100644
index 000000000..f08d0ede5
--- /dev/null
+++ b/pstoraster/zcontrol.c
@@ -0,0 +1,897 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of GNU Ghostscript.
+
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Control operators */
+#include "string_.h"
+#include "ghost.h"
+#include "stream.h"
+#include "oper.h"
+#include "estack.h"
+#include "files.h"
+#include "ipacked.h"
+#include "iutil.h"
+#include "store.h"
+
+/* Make an invalid file object. */
+extern void make_invalid_file(P1(ref *));	/* in zfile.c */
+
+/* Forward references */
+private int no_cleanup(P1(os_ptr));
+private uint count_exec_stack(P1(bool));
+private uint count_to_stopped(P1(long));
+private int unmatched_exit(P2(os_ptr, op_proc_p));
+
+/* See the comment in opdef.h for an invariant which allows */
+/* more efficient implementation of for, loop, and repeat. */
+
+/* <[test0 body0 ...]> .cond - */
+private int cond_continue(P1(os_ptr));
+private int
+zcond(register os_ptr op)
+{
+    es_ptr ep = esp;
+
+    /* Push the array on the e-stack and call the continuation. */
+    if (!r_is_array(op))
+	return_op_typecheck(op);
+    check_execute(*op);
+    if ((r_size(op) & 1) != 0)
+	return_error(e_rangecheck);
+    if (r_size(op) == 0)
+	return zpop(op);
+    check_estack(3);
+    esp = ep += 3;
+    ref_assign(ep - 2, op);	/* the cond body */
+    make_op_estack(ep - 1, cond_continue);
+    array_get(op, 0L, ep);
+    esfile_check_cache();
+    pop(1);
+    return o_push_estack;
+}
+private int
+cond_continue(register os_ptr op)
+{
+    es_ptr ep = esp;
+    int code;
+
+    /* The top element of the e-stack is the remaining tail of */
+    /* the cond body.  The top element of the o-stack should be */
+    /* the (boolean) result of the test that is the first element */
+    /* of the tail. */
+    check_type(*op, t_boolean);
+    if (op->value.boolval) {	/* true */
+	array_get(ep, 1L, ep);
+	esfile_check_cache();
+	code = o_pop_estack;
+    } else if (r_size(ep) > 2) {	/* false */
+	const ref_packed *elts = ep->value.packed;
+
+	check_estack(2);
+	r_dec_size(ep, 2);
+	elts = packed_next(elts);
+	elts = packed_next(elts);
+	ep->value.packed = elts;
+	array_get(ep, 0L, ep + 2);
+	make_op_estack(ep + 1, cond_continue);
+	esp = ep + 2;
+	esfile_check_cache();
+	code = o_push_estack;
+    } else {			/* fall off end of cond */
+	esp = ep - 1;
+	code = o_pop_estack;
+    }
+    pop(1);			/* get rid of the boolean */
+    return code;
+}
+
+/* <obj> exec - */
+int
+zexec(register os_ptr op)
+{
+    check_op(1);
+    if (!r_has_attr(op, a_executable))
+	return 0;		/* literal object just gets pushed back */
+    check_estack(1);
+    ++esp;
+    ref_assign(esp, op);
+    esfile_check_cache();
+    pop(1);
+    return o_push_estack;
+}
+
+/* <obj1> ... <objn> <n> .execn - */
+int
+zexecn(register os_ptr op)
+{
+    uint n, i;
+    es_ptr esp_orig;
+
+    check_int_leu(*op, max_uint - 1);
+    n = (uint) op->value.intval;
+    check_op(n + 1);
+    check_estack(n);
+    esp_orig = esp;
+    for (i = 0; i < n; ++i) {
+	const ref *rp = ref_stack_index(&o_stack, (long)(i + 1));
+
+	/* Make sure this object is legal to execute. */
+	if (ref_type_uses_access(r_type(rp))) {
+	    if (!r_has_attr(rp, a_execute) &&
+		r_has_attr(rp, a_executable)
+		) {
+		esp = esp_orig;
+		return_error(e_invalidaccess);
+	    }
+	}
+	/* Executable nulls have a special meaning on the e-stack, */
+	/* so since they are no-ops, don't push them. */
+	if (!r_has_type_attrs(rp, t_null, a_executable)) {
+	    ++esp;
+	    ref_assign(esp, rp);
+	}
+    }
+    esfile_check_cache();
+    pop(n + 1);
+    return o_push_estack;
+}
+
+/* <obj> superexec - */
+/* THIS IS NOT REALLY IMPLEMENTED YET. */
+private int
+zsuperexec(os_ptr op)
+{
+    return zexec(op);
+}
+
+/* <bool> <proc> if - */
+int
+zif(register os_ptr op)
+{
+    check_type(op[-1], t_boolean);
+    check_proc(*op);
+    if (op[-1].value.boolval) {
+	check_estack(1);
+	++esp;
+	ref_assign(esp, op);
+	esfile_check_cache();
+    }
+    pop(2);
+    return o_push_estack;
+}
+
+/* <bool> <proc_true> <proc_false> ifelse - */
+int
+zifelse(register os_ptr op)
+{
+    check_type(op[-2], t_boolean);
+    check_proc(op[-1]);
+    check_proc(*op);
+    check_estack(1);
+    ++esp;
+    if (op[-2].value.boolval) {
+	ref_assign(esp, op - 1);
+    } else {
+	ref_assign(esp, op);
+    }
+    esfile_check_cache();
+    pop(3);
+    return o_push_estack;
+}
+
+/* <init> <step> <limit> <proc> for - */
+private int
+    for_pos_int_continue(P1(os_ptr)), for_neg_int_continue(P1(os_ptr)),
+    for_real_continue(P1(os_ptr));
+int
+zfor(register os_ptr op)
+{
+    register es_ptr ep;
+
+    check_estack(7);
+    ep = esp + 6;
+    check_proc(*op);
+    /* Push a mark, the control variable, the initial value, */
+    /* the increment, the limit, and the procedure, */
+    /* and invoke the continuation operator. */
+    if (r_has_type(op - 3, t_integer) &&
+	r_has_type(op - 2, t_integer)
+	) {
+	make_int(ep - 4, op[-3].value.intval);
+	make_int(ep - 3, op[-2].value.intval);
+	switch (r_type(op - 1)) {
+	    case t_integer:
+		make_int(ep - 2, op[-1].value.intval);
+		break;
+	    case t_real:
+		make_int(ep - 2, (long)op[-1].value.realval);
+		break;
+	    default:
+		return_op_typecheck(op - 1);
+	}
+	if (ep[-3].value.intval >= 0)
+	    make_op_estack(ep, for_pos_int_continue);
+	else
+	    make_op_estack(ep, for_neg_int_continue);
+    } else {
+	float params[3];
+	int code;
+
+	if ((code = float_params(op - 1, 3, params)) < 0)
+	    return code;
+	make_real(ep - 4, params[0]);
+	make_real(ep - 3, params[1]);
+	make_real(ep - 2, params[2]);
+	make_op_estack(ep, for_real_continue);
+    }
+    make_mark_estack(ep - 5, es_for, no_cleanup);
+    ref_assign(ep - 1, op);
+    esp = ep;
+    pop(4);
+    return o_push_estack;
+}
+/* Continuation operators for for, separate for positive integer, */
+/* negative integer, and real. */
+/* Execution stack contains mark, control variable, increment, */
+/* limit, and procedure (procedure is topmost.) */
+/* Continuation operator for positive integers. */
+private int
+for_pos_int_continue(register os_ptr op)
+{
+    register es_ptr ep = esp;
+    long var = ep[-3].value.intval;
+
+    if (var > ep[-1].value.intval) {
+	esp -= 5;		/* pop everything */
+	return o_pop_estack;
+    }
+    push(1);
+    make_int(op, var);
+    ep[-3].value.intval = var + ep[-2].value.intval;
+    ref_assign_inline(ep + 2, ep);	/* saved proc */
+    esp = ep + 2;
+    return o_push_estack;
+}
+/* Continuation operator for negative integers. */
+private int
+for_neg_int_continue(register os_ptr op)
+{
+    register es_ptr ep = esp;
+    long var = ep[-3].value.intval;
+
+    if (var < ep[-1].value.intval) {
+	esp -= 5;		/* pop everything */
+	return o_pop_estack;
+    }
+    push(1);
+    make_int(op, var);
+    ep[-3].value.intval = var + ep[-2].value.intval;
+    ref_assign(ep + 2, ep);	/* saved proc */
+    esp = ep + 2;
+    return o_push_estack;
+}
+/* Continuation operator for reals. */
+private int
+for_real_continue(register os_ptr op)
+{
+    es_ptr ep = esp;
+    float var = ep[-3].value.realval;
+    float incr = ep[-2].value.realval;
+
+    if (incr >= 0 ? (var > ep[-1].value.realval) :
+	(var < ep[-1].value.realval)
+	) {
+	esp -= 5;		/* pop everything */
+	return o_pop_estack;
+    }
+    push(1);
+    ref_assign(op, ep - 3);
+    ep[-3].value.realval = var + incr;
+    esp = ep + 2;
+    ref_assign(ep + 2, ep);	/* saved proc */
+    return o_push_estack;
+}
+
+/* Here we provide an internal variant of 'for' that enumerates the */
+/* values 0, 1/N, 2/N, ..., 1 precisely.  The arguments must be */
+/* the integers 0, 1, and N.  We need this for */
+/* loading caches such as the transfer function cache. */
+private int for_fraction_continue(P1(os_ptr));
+int
+zfor_fraction(register os_ptr op)
+{
+    int code = zfor(op);
+
+    if (code < 0)
+	return code;		/* shouldn't ever happen! */
+    make_op_estack(esp, for_fraction_continue);
+    return code;
+}
+/* Continuation procedure */
+private int
+for_fraction_continue(register os_ptr op)
+{
+    register es_ptr ep = esp;
+    int code = for_pos_int_continue(op);
+
+    if (code != o_push_estack)
+	return code;
+    /* We must use osp instead of op here, because */
+    /* for_pos_int_continue pushes a value on the o-stack. */
+    make_real(osp, (float)osp->value.intval / ep[-1].value.intval);
+    return code;
+}
+
+/* <int> <proc> repeat - */
+private int repeat_continue(P1(os_ptr));
+private int
+zrepeat(register os_ptr op)
+{
+    check_type(op[-1], t_integer);
+    check_proc(*op);
+    if (op[-1].value.intval < 0)
+	return_error(e_rangecheck);
+    check_estack(5);
+    /* Push a mark, the count, and the procedure, and invoke */
+    /* the continuation operator. */
+    push_mark_estack(es_for, no_cleanup);
+    *++esp = op[-1];
+    *++esp = *op;
+    make_op_estack(esp + 1, repeat_continue);
+    pop(2);
+    return repeat_continue(op - 2);
+}
+/* Continuation operator for repeat */
+private int
+repeat_continue(register os_ptr op)
+{
+    es_ptr ep = esp;		/* saved proc */
+
+    if (--(ep[-1].value.intval) >= 0) {		/* continue */
+	esp += 2;
+	ref_assign(esp, ep);
+	return o_push_estack;
+    } else {			/* done */
+	esp -= 3;		/* pop mark, count, proc */
+	return o_pop_estack;
+    }
+}
+
+/* <proc> loop */
+private int loop_continue(P1(os_ptr));
+private int
+zloop(register os_ptr op)
+{
+    check_proc(*op);
+    check_estack(4);
+    /* Push a mark and the procedure, and invoke */
+    /* the continuation operator. */
+    push_mark_estack(es_for, no_cleanup);
+    *++esp = *op;
+    make_op_estack(esp + 1, loop_continue);
+    pop(1);
+    return loop_continue(op - 1);
+}
+/* Continuation operator for loop */
+private int
+loop_continue(register os_ptr op)
+{
+    register es_ptr ep = esp;	/* saved proc */
+
+    ref_assign(ep + 2, ep);
+    esp = ep + 2;
+    return o_push_estack;
+}
+
+/* - exit - */
+private int
+zexit(register os_ptr op)
+{
+    ref_stack_enum_t rsenum;
+    uint scanned = 0;
+
+    ref_stack_enum_begin(&rsenum, &e_stack);
+    do {
+	uint used = rsenum.size;
+	es_ptr ep = rsenum.ptr + used - 1;
+	uint count = used;
+
+	for (; count; count--, ep--)
+	    if (r_is_estack_mark(ep))
+		switch (estack_mark_index(ep)) {
+		    case es_for:
+			pop_estack(scanned + (used - count + 1));
+			return o_pop_estack;
+		    case es_stopped:
+			return_error(e_invalidexit);	/* not a loop */
+		}
+	scanned += used;
+    } while (ref_stack_enum_next(&rsenum));
+    /* No mark, quit.  (per Adobe documentation) */
+    push(2);
+    return unmatched_exit(op, zexit);
+}
+
+/*
+ * .stopped pushes the following on the e-stack:
+ *      - A mark with type = es_stopped and procedure = no_cleanup.
+ *      - The result to be pushed on a normal return.
+ *      - The signal mask for .stop.
+ *      - The procedure %stopped_push, to handle the normal return case.
+ */
+
+/* In the normal (no-error) case, pop the mask from the e-stack, */
+/* and move the result to the o-stack. */
+private int
+stopped_push(register os_ptr op)
+{
+    push(1);
+    *op = esp[-1];
+    esp -= 3;
+    return o_pop_estack;
+}
+
+/* - stop - */
+/* Equivalent to true 1 .stop. */
+/* This is implemented in C because if were a pseudo-operator, */
+/* the stacks would get restored in case of an error. */
+private int
+zstop(register os_ptr op)
+{
+    uint count = count_to_stopped(1L);
+
+    if (count) {
+	/*
+	 * If there are any t_oparrays on the e-stack, they will pop
+	 * any new items from the o-stack.  Wait to push the 'true'
+	 * until we have run all the unwind procedures.
+	 */
+	check_ostack(2);
+	pop_estack(count);
+	op = osp;
+	push(1);
+	make_true(op);
+	return o_pop_estack;
+    }
+    /* No mark, quit.  (per Adobe documentation) */
+    push(2);
+    return unmatched_exit(op, zstop);
+}
+
+/* <result> <mask> .stop - */
+private int
+zzstop(register os_ptr op)
+{
+    uint count;
+
+    check_type(*op, t_integer);
+    count = count_to_stopped(op->value.intval);
+    if (count) {
+	/*
+	 * If there are any t_oparrays on the e-stack, they will pop
+	 * any new items from the o-stack.  Wait to push the result
+	 * until we have run all the unwind procedures.
+	 */
+	ref save_result;
+
+	check_op(2);
+	save_result = op[-1];
+	pop(2);
+	pop_estack(count);
+	op = osp;
+	push(1);
+	*op = save_result;
+	return o_pop_estack;
+    }
+    /* No mark, quit.  (per Adobe documentation) */
+    return unmatched_exit(op, zzstop);
+}
+
+/* <obj> stopped <stopped> */
+/* Equivalent to false 1 .stopped. */
+/* This is implemented in C because if were a pseudo-operator, */
+/* the stacks would get restored in case of an error. */
+private int
+zstopped(register os_ptr op)
+{
+    check_op(1);
+    /* Mark the execution stack, and push the default result */
+    /* in case control returns normally. */
+    check_estack(5);
+    push_mark_estack(es_stopped, no_cleanup);
+    ++esp;
+    make_false(esp);		/* save the result */
+    ++esp;
+    make_int(esp, 1);		/* save the signal mask */
+    push_op_estack(stopped_push);
+    *++esp = *op;		/* execute the operand */
+    esfile_check_cache();
+    pop(1);
+    return o_push_estack;
+}
+
+/* <obj> <result> <mask> .stopped <result> */
+private int
+zzstopped(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    check_op(3);
+    /* Mark the execution stack, and push the default result */
+    /* in case control returns normally. */
+    check_estack(5);
+    push_mark_estack(es_stopped, no_cleanup);
+    *++esp = op[-1];		/* save the result */
+    *++esp = *op;		/* save the signal mask */
+    push_op_estack(stopped_push);
+    *++esp = op[-2];		/* execute the operand */
+    esfile_check_cache();
+    pop(3);
+    return o_push_estack;
+}
+
+/* <mask> .instopped false */
+/* <mask> .instopped <result> true */
+private int
+zinstopped(register os_ptr op)
+{
+    uint count;
+
+    check_type(*op, t_integer);
+    count = count_to_stopped(op->value.intval);
+    if (count) {
+	push(1);
+	op[-1] = *ref_stack_index(&e_stack, count - 2);		/* default result */
+	make_true(op);
+    } else
+	make_false(op);
+    return 0;
+}
+
+/* <include_marks> .countexecstack <int> */
+/* - countexecstack <int> */
+/* countexecstack is an operator solely for the sake of the Genoa tests. */
+private int
+zcountexecstack(register os_ptr op)
+{
+    push(1);
+    make_int(op, count_exec_stack(false));
+    return 0;
+}
+private int
+zcountexecstack1(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    make_int(op, count_exec_stack(op->value.boolval));
+    return 0;
+}
+
+/* <array> <include_marks> .execstack <subarray> */
+/* <array> execstack <subarray> */
+/* execstack is an operator solely for the sake of the Genoa tests. */
+private int execstack_continue(P1(os_ptr));
+private int execstack2_continue(P1(os_ptr));
+private int
+push_execstack(os_ptr op1, bool include_marks, int (*cont)(P1(os_ptr)))
+{
+    uint size;
+    /*
+     * We can't do this directly, because the interpreter
+     * might have cached some state.  To force the interpreter
+     * to update the stored state, we push a continuation on
+     * the exec stack; the continuation is executed immediately,
+     * and does the actual transfer.
+     */
+    uint depth;
+
+    check_write_type(*op1, t_array);
+    size = r_size(op1);
+    depth = count_exec_stack(include_marks);
+    if (depth > size)
+	return_error(e_rangecheck);
+    {
+	int code = ref_stack_store_check(&e_stack, op1, size, 0);
+
+	if (code < 0)
+	    return code;
+    }
+    check_estack(1);
+    r_set_size(op1, depth);
+    push_op_estack(cont);
+    return o_push_estack;
+}
+private int
+zexecstack(register os_ptr op)
+{
+    return push_execstack(op, false, execstack_continue);
+}
+private int
+zexecstack2(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    return push_execstack(op - 1, op->value.boolval, execstack2_continue);
+}
+/* Continuation operator to do the actual transfer. */
+/* r_size(op1) was set just above. */
+private int
+do_execstack(os_ptr op, bool include_marks, os_ptr op1)
+{
+    ref *arefs = op1->value.refs;
+    uint asize = r_size(op1);
+    uint i;
+    ref *rq;
+
+    /*
+     * Copy elements from the stack to the array,
+     * optionally skipping executable nulls.
+     * Clear the executable bit in any internal operators, and
+     * convert t_structs and t_astructs (which can only appear
+     * in connection with stack marks, which means that they will
+     * probably be freed when unwinding) to something harmless.
+     */
+    for (i = 0, rq = arefs + asize; rq != arefs; ++i) {
+	const ref *rp = ref_stack_index(&e_stack, (long)i);
+
+	if (r_has_type_attrs(rp, t_null, a_executable) && !include_marks)
+	    continue;
+	--rq;
+	ref_assign_old(op1, rq, rp, "execstack");
+	switch (r_type(rq)) {
+	    case t_operator: {
+		uint opidx = op_index(rq);
+
+		if (opidx == 0 || op_def_is_internal(op_def_table[opidx]))
+		    r_clear_attrs(rq, a_executable);
+		break;
+	    }
+	    case t_struct:
+	    case t_astruct: {
+		const char *tname =
+		    gs_struct_type_name_string(
+				gs_object_type(imemory, rq->value.pstruct));
+
+		make_const_string(rq, a_readonly | avm_foreign,
+				  strlen(tname), (const byte *)tname);
+		break;
+	    }
+	    default:
+		;
+	}
+    }
+    pop(op - op1);
+    return 0;
+}
+private int
+execstack_continue(os_ptr op)
+{
+    return do_execstack(op, false, op);
+}
+private int
+execstack2_continue(os_ptr op)
+{
+    return do_execstack(op, op->value.boolval, op - 1);
+}
+
+/* - .needinput - */
+private int
+zneedinput(register os_ptr op)
+{
+    return e_NeedInput;		/* interpreter will exit to caller */
+}
+
+/* <obj> <int> .quit - */
+private int
+zquit(register os_ptr op)
+{
+    check_op(2);
+    check_type(*op, t_integer);
+    return_error(e_Quit);	/* Interpreter will do the exit */
+}
+
+/* - currentfile <file> */
+private ref *zget_current_file(P0());
+private int
+zcurrentfile(register os_ptr op)
+{
+    ref *fp;
+
+    push(1);
+    /* Check the cache first */
+    if (esfile != 0) {
+#ifdef DEBUG
+	/* Check that esfile is valid. */
+	ref *efp = zget_current_file();
+
+	if (esfile != efp) {
+	    lprintf2("currentfile: esfile=0x%lx, efp=0x%lx\n",
+		     (ulong) esfile, (ulong) efp);
+	    ref_assign(op, efp);
+	} else
+#endif
+	    ref_assign(op, esfile);
+    } else if ((fp = zget_current_file()) == 0) {	/* Return an invalid file object. */
+	/* This doesn't make a lot of sense to me, */
+	/* but it's what the PostScript manual specifies. */
+	make_invalid_file(op);
+    } else {
+	ref_assign(op, fp);
+	esfile_set_cache(fp);
+    }
+    /* Make the returned value literal. */
+    r_clear_attrs(op, a_executable);
+    return 0;
+}
+/* Get the current file from which the interpreter is reading. */
+private ref *
+zget_current_file(void)
+{
+    ref_stack_enum_t rsenum;
+
+    ref_stack_enum_begin(&rsenum, &e_stack);
+    do {
+	uint count = rsenum.size;
+	es_ptr ep = rsenum.ptr + count - 1;
+
+	for (; count; count--, ep--)
+	    if (r_has_type_attrs(ep, t_file, a_executable))
+		return ep;
+    } while (ref_stack_enum_next(&rsenum));
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcontrol_op_defs[] =
+{
+    {"1.cond", zcond},
+    {"0countexecstack", zcountexecstack},
+    {"1.countexecstack", zcountexecstack1},
+    {"0currentfile", zcurrentfile},
+    {"1exec", zexec},
+    {"1.execn", zexecn},
+    {"1execstack", zexecstack},
+    {"2.execstack", zexecstack2},
+    {"0exit", zexit},
+    {"2if", zif},
+    {"3ifelse", zifelse},
+    {"0.instopped", zinstopped},
+    {"0.needinput", zneedinput},
+    {"4for", zfor},
+    {"1loop", zloop},
+    {"2.quit", zquit},
+    {"2repeat", zrepeat},
+    {"0stop", zstop},
+    {"1.stop", zzstop},
+    {"1stopped", zstopped},
+    {"2.stopped", zzstopped},
+		/* Internal operators */
+    {"1%cond_continue", cond_continue},
+    {"1%execstack_continue", execstack_continue},
+    {"2%execstack2_continue", execstack2_continue},
+    {"0%for_pos_int_continue", for_pos_int_continue},
+    {"0%for_neg_int_continue", for_neg_int_continue},
+    {"0%for_real_continue", for_real_continue},
+    {"4%for_fraction", zfor_fraction},
+    {"0%for_fraction_continue", for_fraction_continue},
+    {"0%loop_continue", loop_continue},
+    {"0%repeat_continue", repeat_continue},
+    {"0%stopped_push", stopped_push},
+    {"1superexec", zsuperexec},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Vacuous cleanup routine */
+private int
+no_cleanup(os_ptr op)
+{
+    return 0;
+}
+
+/*
+ * Count the number of elements on the exec stack, with or without
+ * the normally invisible elements (*op is a Boolean that indicates this).
+ */
+private uint
+count_exec_stack(bool include_marks)
+{
+    uint count = ref_stack_count(&e_stack);
+
+    if (!include_marks) {
+	uint i;
+
+	for (i = count; i--;)
+	    if (r_has_type_attrs(ref_stack_index(&e_stack, (long)i),
+				 t_null, a_executable))
+		--count;
+    }
+    return count;
+}
+
+/*
+ * Count the number of elements down to and including the first 'stopped'
+ * mark on the e-stack with a given mask.  Return 0 if there is no 'stopped'
+ * mark.
+ */
+private uint
+count_to_stopped(long mask)
+{
+    ref_stack_enum_t rsenum;
+    uint scanned = 0;
+
+    ref_stack_enum_begin(&rsenum, &e_stack);
+    do {
+	uint used = rsenum.size;
+	es_ptr ep = rsenum.ptr + used - 1;
+	uint count = used;
+
+	for (; count; count--, ep--)
+	    if (r_is_estack_mark(ep) &&
+		estack_mark_index(ep) == es_stopped &&
+		(ep[2].value.intval & mask) != 0
+		)
+		return scanned + (used - count + 1);
+	scanned += used;
+    } while (ref_stack_enum_next(&rsenum));
+    return 0;
+}
+
+/*
+ * Pop the e-stack, executing cleanup procedures as needed.
+ * We could make this more efficient using ref_stack_enum_*,
+ * but it isn't used enough to make this worthwhile.
+ */
+void
+pop_estack(uint count)
+{
+    uint idx = 0;
+    uint popped = 0;
+
+    esfile_clear_cache();
+    for (; idx < count; idx++) {
+	ref *ep = ref_stack_index(&e_stack, idx - popped);
+
+	if (r_is_estack_mark(ep)) {
+	    ref_stack_pop(&e_stack, idx + 1 - popped);
+	    popped = idx + 1;
+	    (*real_opproc(ep)) (osp);
+	}
+    }
+    ref_stack_pop(&e_stack, count - popped);
+}
+
+/*
+ * Execute a quit in the case of an exit or stop with no appropriate
+ * enclosing control scope (loop or stopped).  The caller has already
+ * ensured two free slots on the top of the o-stack.
+ */
+private int
+unmatched_exit(os_ptr op, op_proc_p opproc)
+{
+    make_oper(op - 1, 0, opproc);
+    make_int(op, e_invalidexit);
+    return_error(e_Quit);
+}
diff --git a/pstoraster/zcrd.c b/pstoraster/zcrd.c
new file mode 100644
index 000000000..aad458be9
--- /dev/null
+++ b/pstoraster/zcrd.c
@@ -0,0 +1,438 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CIE color rendering operators */
+#include "math_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gscspace.h"
+#include "gscolor2.h"
+#include "gscrd.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "icie.h"
+#include "ivmspace.h"
+#include "store.h"		/* for make_null */
+
+/*#define TEST*/
+
+/* Forward references */
+private int zcrd1_proc_params(P2(os_ptr op, ref_cie_render_procs * pcprocs));
+private int zcrd1_params(P4(os_ptr op, gs_cie_render * pcrd,
+			ref_cie_render_procs * pcprocs, gs_memory_t * mem));
+private int cache_colorrendering1(P3(gs_cie_render * pcrd,
+				     const ref_cie_render_procs * pcprocs,
+				     gs_ref_memory_t * imem));
+
+/* - currentcolorrendering <dict> */
+private int
+zcurrentcolorrendering(os_ptr op)
+{
+    push(1);
+    *op = istate->colorrendering.dict;
+    return 0;
+}
+
+/* <dict> <crd> .setcolorrendering1 - */
+private int
+zsetcolorrendering1(os_ptr op)
+{
+    es_ptr ep = esp;
+    ref_cie_render_procs procs;
+    int code;
+
+    check_type(op[-1], t_dictionary);
+    check_stype(*op, st_cie_render1);
+    code = zcrd1_proc_params(op - 1, &procs);
+    if (code < 0)
+	return code;
+    code = gs_setcolorrendering(igs, r_ptr(op, gs_cie_render));
+    if (code < 0)
+	return code;
+    if (gs_cie_cs_common(igs) != 0 &&
+	(code = cie_cache_joint(&procs, igs)) < 0
+	)
+	return code;
+    istate->colorrendering.dict = op[-1];
+    istate->colorrendering.procs = procs;
+    pop(2);
+    return (esp == ep ? 0 : o_push_estack);
+}
+
+/* <dict> .buildcolorrendering1 <crd> */
+private int
+zbuildcolorrendering1(os_ptr op)
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    int code;
+    es_ptr ep = esp;
+    gs_cie_render *pcrd;
+    ref_cie_render_procs procs;
+
+    check_read_type(*op, t_dictionary);
+    check_dict_read(*op);
+    code = gs_cie_render1_build(&pcrd, mem, ".setcolorrendering1");
+    if (code < 0)
+	return code;
+    code = zcrd1_params(op, pcrd, &procs, mem);
+    if (code < 0 ||
+    (code = cache_colorrendering1(pcrd, &procs, (gs_ref_memory_t *) mem)) < 0
+	) {
+	rc_free_struct(pcrd, ".setcolorrendering1");
+	esp = ep;
+	return code;
+    }
+    /****** FIX refct ******/
+    /*rc_decrement(pcrd, ".setcolorrendering1"); *//* build sets rc = 1 */
+    istate->colorrendering.dict = *op;
+    make_istruct_new(op, a_readonly, pcrd);
+    return (esp == ep ? 0 : o_push_estack);
+}
+/* Get ColorRenderingType 1 procedures from the PostScript dictionary. */
+private int
+zcrd1_proc_params(os_ptr op, ref_cie_render_procs * pcprocs)
+{
+    int code;
+    ref *pRT;
+
+    if ((code = dict_proc3_param(op, "EncodeLMN", &pcprocs->EncodeLMN)) < 0 ||
+      (code = dict_proc3_param(op, "EncodeABC", &pcprocs->EncodeABC)) < 0 ||
+    (code = dict_proc3_param(op, "TransformPQR", &pcprocs->TransformPQR)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    if (dict_find_string(op, "RenderTable", &pRT) > 0) {
+	const ref *prte;
+	int size;
+	int i;
+
+	check_read_type(*pRT, t_array);
+	size = r_size(pRT);
+	if (size < 5)
+	    return_error(e_rangecheck);
+	prte = pRT->value.const_refs;
+	for (i = 5; i < size; i++)
+	    check_proc_only(prte[i]);
+	make_const_array(&pcprocs->RenderTableT, a_readonly | r_space(pRT),
+			 size - 5, prte + 5);
+    } else
+	make_null(&pcprocs->RenderTableT);
+    return 0;
+}
+/* Get ColorRenderingType 1 parameters from the PostScript dictionary. */
+private int
+zcrd1_params(os_ptr op, gs_cie_render * pcrd,
+	     ref_cie_render_procs * pcprocs, gs_memory_t * mem)
+{
+    int code;
+    int ignore;
+    gx_color_lookup_table *const prtl = &pcrd->RenderTable.lookup;
+    ref *pRT;
+
+    if ((code = dict_int_param(op, "ColorRenderingType", 1, 1, 0, &ignore)) < 0 ||
+	(code = zcrd1_proc_params(op, pcprocs)) < 0 ||
+	(code = dict_matrix3_param(op, "MatrixLMN", &pcrd->MatrixLMN)) != matrix3_ok ||
+	(code = dict_range3_param(op, "RangeLMN", &pcrd->RangeLMN)) < 0 ||
+	(code = dict_matrix3_param(op, "MatrixABC", &pcrd->MatrixABC)) != matrix3_ok ||
+	(code = dict_range3_param(op, "RangeABC", &pcrd->RangeABC)) < 0 ||
+	(code = cie_points_param(op, &pcrd->points)) < 0 ||
+	(code = dict_matrix3_param(op, "MatrixPQR", &pcrd->MatrixPQR)) != matrix3_ok ||
+	(code = dict_range3_param(op, "RangePQR", &pcrd->RangePQR)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    if (dict_find_string(op, "RenderTable", &pRT) > 0) {
+	const ref *prte = pRT->value.const_refs;
+
+	/* Finish unpacking and checking the RenderTable parameter. */
+	check_type_only(prte[4], t_integer);
+	if (!(prte[4].value.intval == 3 || prte[4].value.intval == 4))
+	    return_error(e_rangecheck);
+	prtl->n = 3;
+	prtl->m = prte[4].value.intval;
+	if (r_size(pRT) != prtl->m + 5)
+	    return_error(e_rangecheck);
+	code = cie_table_param(pRT, prtl, mem);
+	if (code < 0)
+	    return code;
+    } else {
+	prtl->table = 0;
+    }
+    pcrd->EncodeLMN = Encode_default;
+    pcrd->EncodeABC = Encode_default;
+    pcrd->TransformPQR = TransformPQR_default;
+    pcrd->RenderTable.T = RenderTableT_default;
+    return 0;
+}
+
+/* Cache the results of the color rendering procedures. */
+private int cie_cache_render_finish(P1(os_ptr));
+private int
+cache_colorrendering1(gs_cie_render * pcrd,
+		      const ref_cie_render_procs * pcrprocs,
+		      gs_ref_memory_t * imem)
+{
+    es_ptr ep = esp;
+    int code = gs_cie_render_init(pcrd);	/* sets Domain values */
+    int i;
+
+    if (code < 0 ||
+	(code = cie_cache_push_finish(cie_cache_render_finish, imem, pcrd)) < 0 ||
+	(code = cie_prepare_cache3(&pcrd->DomainLMN, pcrprocs->EncodeLMN.value.const_refs, &pcrd->caches.EncodeLMN[0], pcrd, imem, "Encode.LMN")) < 0 ||
+	(code = cie_prepare_cache3(&pcrd->DomainABC, pcrprocs->EncodeABC.value.const_refs, &pcrd->caches.EncodeABC[0], pcrd, imem, "Encode.ABC")) < 0
+	) {
+	esp = ep;
+	return code;
+    }
+    if (pcrd->RenderTable.lookup.table != 0) {
+	bool is_identity = true;
+
+	for (i = 0; i < pcrd->RenderTable.lookup.m; i++)
+	    if (r_size(pcrprocs->RenderTableT.value.const_refs + i) != 0) {
+		is_identity = false;
+		break;
+	    }
+	pcrd->caches.RenderTableT_is_identity = is_identity;
+	if (!is_identity)
+	    for (i = 0; i < pcrd->RenderTable.lookup.m; i++)
+		if ((code =
+		     cie_prepare_cache(Range4_default.ranges,
+				pcrprocs->RenderTableT.value.const_refs + i,
+				       &pcrd->caches.RenderTableT[i].floats,
+				       pcrd, imem, "RenderTable.T")) < 0
+		    ) {
+		    esp = ep;
+		    return code;
+		}
+    }
+    return o_push_estack;
+}
+
+/* Finish up after loading the rendering caches. */
+private int
+cie_cache_render_finish(os_ptr op)
+{
+    gs_cie_render *pcrd = r_ptr(op, gs_cie_render);
+    int code;
+
+    if (pcrd->RenderTable.lookup.table != 0 &&
+	!pcrd->caches.RenderTableT_is_identity
+	) {
+	/* Convert the RenderTableT cache from floats to fracs. */
+	int j;
+
+	for (j = 0; j < pcrd->RenderTable.lookup.m; j++)
+	    gs_cie_cache_to_fracs(&pcrd->caches.RenderTableT[j]);
+    }
+    pcrd->status = CIE_RENDER_STATUS_SAMPLED;
+    code = gs_cie_render_complete(pcrd);
+    if (code < 0)
+	return code;
+    /* Note that the cache holds the only record of the values. */
+    pcrd->EncodeLMN = EncodeLMN_from_cache;
+    pcrd->EncodeABC = EncodeABC_from_cache;
+    pop(1);
+    return 0;
+}
+
+/* ------ Internal procedures ------ */
+
+/* Load the joint caches. */
+private int
+    cie_exec_tpqr(P1(os_ptr)), cie_post_exec_tpqr(P1(os_ptr)), cie_tpqr_finish(P1(os_ptr));
+int
+cie_cache_joint(const ref_cie_render_procs * pcrprocs, gs_state * pgs)
+{
+    const gs_cie_render *pcrd = gs_currentcolorrendering(pgs);
+    /*
+     * The former installation procedures have allocated
+     * the joint caches and filled in points_sd.
+     */
+    gx_cie_joint_caches *pjc = gx_currentciecaches(pgs);
+    gs_ref_memory_t *imem = (gs_ref_memory_t *) gs_state_memory(pgs);
+    ref pqr_procs;
+    uint space;
+    int code;
+    int i;
+
+    if (pcrd == 0)		/* cache is not set up yet */
+	return 0;
+    if (pjc == 0)
+	return_error(e_VMerror);
+    code = ialloc_ref_array(&pqr_procs, a_readonly, 3 * (1 + 4 + 4 * 6),
+			    "cie_cache_common");
+    if (code < 0)
+	return code;
+    /* When we're done, deallocate the procs and complete the caches. */
+    check_estack(3);
+    cie_cache_push_finish(cie_tpqr_finish, imem, pgs);
+    *++esp = pqr_procs;
+    space = r_space(&pqr_procs);
+    for (i = 0; i < 3; i++) {
+	ref *p = pqr_procs.value.refs + 3 + (4 + 4 * 6) * i;
+	const float *ppt = (float *)&pjc->points_sd;
+	int j;
+
+	make_array(pqr_procs.value.refs + i, a_readonly | a_executable | space,
+		   4, p);
+	make_array(p, a_readonly | space, 4 * 6, p + 4);
+	p[1] = pcrprocs->TransformPQR.value.refs[i];
+	make_oper(p + 2, 0, cie_exec_tpqr);
+	make_oper(p + 3, 0, cie_post_exec_tpqr);
+	for (j = 0, p += 4; j < 4 * 6; j++, p++, ppt++)
+	    make_real(p, *ppt);
+    }
+    return cie_prepare_cache3(&pcrd->RangePQR,
+			      pqr_procs.value.const_refs,
+			      &pjc->TransformPQR[0],
+			      pjc, imem, "Transform.PQR");
+}
+
+/* Private operator to shuffle arguments for the TransformPQR procedure: */
+/* v [ws wd bs bd] proc -> -mark- ws wd bs bd v proc + exec */
+private int
+cie_exec_tpqr(os_ptr op)
+{
+    const ref *ppt = op[-1].value.const_refs;
+    uint space = r_space(op - 1);
+    int i;
+
+    check_op(3);
+    push(4);
+    *op = op[-4];		/* proc */
+    op[-1] = op[-6];		/* v */
+    for (i = 0; i < 4; i++)
+	make_const_array(op - 5 + i, a_readonly | space,
+			 6, ppt + i * 6);
+    make_mark(op - 6);
+    return zexec(op);
+}
+
+/* Remove extraneous values from the stack after executing */
+/* the TransformPQR procedure.  -mark- ... v -> v */
+private int
+cie_post_exec_tpqr(os_ptr op)
+{
+    uint count = ref_stack_counttomark(&o_stack);
+    ref vref;
+
+    if (count < 2)
+	return_error(e_unmatchedmark);
+    vref = *op;
+    ref_stack_pop(&o_stack, count - 1);
+    *osp = vref;
+    return 0;
+}
+
+/* Free the procs array and complete the joint caches. */
+private int
+cie_tpqr_finish(os_ptr op)
+{
+    gs_state *pgs = r_ptr(op, gs_state);
+    int code;
+
+    ifree_ref_array(op - 1, "cie_tpqr_finish");
+    code = gs_cie_cs_complete(pgs, false);
+    pop(2);
+    return code;
+}
+
+/* ------ Operators for testing ------ */
+
+#ifdef TEST
+
+#include "gscrdp.h"
+#include "iparam.h"
+
+/* - .currentcrd <dict> */
+private int
+zcurrentcrd(os_ptr op)
+{
+    stack_param_list list;
+    int code;
+
+    stack_param_list_write(&list, &o_stack, NULL);
+    code = param_write_cie_render1((gs_param_list *) & list, "CRD",
+				   gs_currentcolorrendering(igs), imemory);
+    if (code < 0)
+	return code;
+    ref_assign(osp - 1, osp);
+    pop(1);
+    return 0;
+}
+
+/* <dict> .setcrd - */
+private int
+zsetcrd(os_ptr op)
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    dict_param_list list;
+    gs_cie_render *pcrd = 0;
+    int code;
+
+    check_type(*op, t_dictionary);
+    code = dict_param_list_read(&list, op, NULL, false);
+    if (code < 0)
+	return code;
+    code = gs_cie_render1_build(&pcrd, mem, ".setcrd");
+    if (code >= 0 &&
+	(code = param_get_cie_render1(pcrd, (gs_param_list *) & list,
+				      gs_currentdevice(igs))) >= 0
+	) {
+	code = gs_setcolorrendering(igs, pcrd);
+    }
+    if (pcrd)
+	rc_decrement(pcrd, ".setcrd");	/* build sets rc = 1 */
+    iparam_list_release(&list);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+#endif
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcrd_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"0currentcolorrendering", zcurrentcolorrendering},
+    {"2.setcolorrendering1", zsetcolorrendering1},
+    {"1.buildcolorrendering1", zbuildcolorrendering1},
+		/* Internal "operators" */
+    {"1%cie_render_finish", cie_cache_render_finish},
+    {"3%cie_exec_tpqr", cie_exec_tpqr},
+    {"2%cie_post_exec_tpqr", cie_post_exec_tpqr},
+    {"1%cie_tpqr_finish", cie_tpqr_finish},
+		/* Testing */
+#ifdef TEST
+    {"0.currentcrd", zcurrentcrd},
+    {"1.setcrd", zsetcrd},
+#endif
+    op_def_end(0)
+};
diff --git a/pstoraster/zcsdevn.c b/pstoraster/zcsdevn.c
new file mode 100644
index 000000000..4a4ffad3d
--- /dev/null
+++ b/pstoraster/zcsdevn.c
@@ -0,0 +1,119 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DeviceN color space support */
+#include "ghost.h"
+#include "oper.h"
+#include "gxcspace.h"		/* must precede gscolor2.h */
+#include "gscolor2.h"
+#include "igstate.h"
+#include "ialloc.h"
+#include "iname.h"
+
+/* Imported from gscdevn.c */
+extern const gs_color_space_type gs_color_space_type_DeviceN;
+
+/* <array> .setdevicepixelspace - */
+/* The current color space is the alternate space for the DeviceN space. */
+private int
+zsetdevicenspace(register os_ptr op)
+{
+    const ref *pcsa;
+    gs_separation_name *names;
+    uint num_components;
+    gs_color_space cs;
+    ref_colorspace cspace_old;
+    int code;
+
+    check_read_type(*op, t_array);
+    if (r_size(op) != 4)
+	return_error(e_rangecheck);
+    pcsa = op->value.const_refs + 1;
+    if (!r_is_array(pcsa))
+	return_error(e_typecheck);
+    num_components = r_size(pcsa);
+    if (num_components == 0)
+	return_error(e_rangecheck);
+    check_proc(pcsa[2]);
+    cs = *gs_currentcolorspace(igs);
+    if (!cs.type->can_be_alt_space)
+	return_error(e_rangecheck);
+    names = (gs_separation_name *)
+	ialloc_byte_array(num_components, sizeof(gs_separation_name),
+			  ".setdevicenspace");
+    if (names == 0)
+	return_error(e_VMerror);
+    {
+	uint i;
+	ref sname;
+
+	for (i = 0; i < num_components; ++i) {
+	    array_get(pcsa, (long)i, &sname);
+	    switch (r_type(&sname)) {
+		case t_string:
+		    code = name_from_string(&sname, &sname);
+		    if (code < 0) {
+			ifree_object(names, ".setdevicenspace");
+			return code;
+		    }
+		    /* falls through */
+		case t_name:
+		    names[i] = name_index(&sname);
+		    break;
+		default:
+		    ifree_object(names, ".setdevicenspace");
+		    return_error(e_typecheck);
+	    }
+	}
+    }
+    cs.params.device_n.alt_space = *(gs_base_color_space *) & cs;
+    cspace_old = istate->colorspace;
+    istate->colorspace.procs.special.device_n.layer_names = pcsa[0];
+    istate->colorspace.procs.special.device_n.tint_transform = pcsa[2];
+    cs.type = &gs_color_space_type_DeviceN;
+    cs.params.device_n.names = names;
+    cs.params.device_n.num_components = num_components;
+    cs.params.device_n.tint_transform = 0;
+/****** ? ******/
+    cs.params.device_n.tint_transform_data = 0;
+/****** ? ******/
+    code = gs_setcolorspace(igs, &cs);
+    if (code < 0) {
+	istate->colorspace = cspace_old;
+	ifree_object(names, ".setdevicenspace");
+	return code;
+    }
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcsdevn_op_defs[] =
+{
+    op_def_begin_ll3(),
+    {"1.setdevicenspace", zsetdevicenspace},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcsindex.c b/pstoraster/zcsindex.c
new file mode 100644
index 000000000..afaa03cd0
--- /dev/null
+++ b/pstoraster/zcsindex.c
@@ -0,0 +1,239 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Indexed color space support */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gscolor.h"
+#include "gsmatrix.h"		/* for gxcolor2.h */
+#include "gxcspace.h"
+#include "gxfixed.h"		/* ditto */
+#include "gxcolor2.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "icsmap.h"
+#include "igstate.h"
+#include "ivmspace.h"
+#include "store.h"
+
+/* Imported from gscolor2.c */
+extern const gs_color_space_type gs_color_space_type_Indexed;
+
+/* Forward references. */
+private int indexed_map1(P1(os_ptr));
+
+/* Free the map when freeing the gs_indexed_map structure. */
+private void
+rc_free_indexed_map(gs_memory_t * mem, void *data, client_name_t cname)
+{	/*
+	 * A bug in the SGI Irix 4.05 compiler requires the following:
+	 */
+    char *cdata = (char *)data;
+
+    gs_free_object(mem, ((gs_indexed_map *)cdata)->values, cname);
+    gs_free_object(mem, cdata, cname);
+}
+
+/* Indexed lookup procedure that just consults the cache. */
+private int
+lookup_indexed(const gs_indexed_params * params, int index, float *values)
+{
+    int m = cs_num_components((const gs_color_space *)&params->base_space);
+    const float *pv = &params->lookup.map->values[index * m];
+
+    switch (m) {
+	default:
+	    return_error(e_rangecheck);
+	case 4:
+	    values[3] = pv[3];
+	case 3:
+	    values[2] = pv[2];
+	    values[1] = pv[1];
+	case 1:
+	    values[0] = pv[0];
+    }
+    return 0;
+}
+
+/* <array> .setindexedspace - */
+/* The current color space is the base space for the indexed space. */
+private int
+zsetindexedspace(register os_ptr op)
+{
+    ref *pproc = &istate->colorspace.procs.special.index_proc;
+    const ref *pcsa;
+    gs_color_space cs;
+    gs_direct_color_space cs_base;
+    ref_colorspace cspace_old;
+    uint edepth = ref_stack_count(&e_stack);
+    int num_entries;
+    int code;
+
+    check_read_type(*op, t_array);
+    if (r_size(op) != 4)
+	return_error(e_rangecheck);
+    pcsa = op->value.const_refs + 1;
+    check_type_only(pcsa[1], t_integer);
+    if (pcsa[1].value.intval < 0 || pcsa[1].value.intval > 4095)
+	return_error(e_rangecheck);
+    num_entries = (int)pcsa[1].value.intval + 1;
+    cs = *gs_currentcolorspace(igs);
+    if (!cs.type->can_be_base_space)
+	return_error(e_rangecheck);
+    cspace_old = istate->colorspace;
+    /*
+     * We can't count on C compilers to recognize the aliasing
+     * that would be involved in a direct assignment.
+     * Formerly, we used the following code:
+	 cs_base = *(gs_direct_color_space *)&cs;
+	 cs.params.indexed.base_space = cs_base;
+     * But the Watcom C 10.0 compiler is too smart: it turns this into
+     * a direct assignment (and compiles incorrect code for it),
+     * defeating our purpose.  Instead, we have to do it by brute force:
+     */
+    memcpy(&cs_base, &cs, sizeof(cs_base));
+    cs.params.indexed.base_space = cs_base;
+    if (r_has_type(&pcsa[2], t_string)) {
+	int num_values = num_entries * cs_num_components(&cs);
+
+	check_read(pcsa[2]);
+	if (r_size(&pcsa[2]) != num_values)
+	    return_error(e_rangecheck);
+	cs.params.indexed.lookup.table.data =
+	    pcsa[2].value.const_bytes;
+	cs.params.indexed.use_proc = 0;
+	make_null(pproc);
+	code = 0;
+    } else {
+	gs_indexed_map *map;
+
+	check_proc(pcsa[2]);
+	code = zcs_begin_map(&map, &pcsa[2], num_entries,
+			     (const gs_base_color_space *)&cs,
+			     indexed_map1);
+	if (code < 0)
+	    return code;
+	cs.params.indexed.use_proc = 1;
+	*pproc = pcsa[2];
+	map->proc.lookup_index = lookup_indexed;
+	cs.params.indexed.lookup.map = map;
+    }
+    cs.params.indexed.hival = num_entries - 1;
+    cs.type = &gs_color_space_type_Indexed;
+    code = gs_setcolorspace(igs, &cs);
+    if (code < 0) {
+	istate->colorspace = cspace_old;
+	ref_stack_pop_to(&e_stack, edepth);
+	return code;
+    }
+    pop(1);
+    return (ref_stack_count(&e_stack) == edepth ? 0 : o_push_estack);	/* installation will load the caches */
+}
+
+/* Continuation procedure for saving mapped Indexed color values. */
+private int
+indexed_map1(os_ptr op)
+{
+    es_ptr ep = esp;
+    int i = (int)ep[csme_index].value.intval;
+
+    if (i >= 0) {		/* i.e., not first time */
+	int m = (int)ep[csme_num_components].value.intval;
+	int code = float_params(op, m, &r_ptr(&ep[csme_map], gs_indexed_map)->values[i * m]);
+
+	if (code < 0)
+	    return code;
+	pop(m);
+	op -= m;
+	if (i == (int)ep[csme_hival].value.intval) {	/* All done. */
+	    esp -= num_csme;
+	    return o_pop_estack;
+	}
+    }
+    push(1);
+    ep[csme_index].value.intval = ++i;
+    make_int(op, i);
+    make_op_estack(ep + 1, indexed_map1);
+    ep[2] = ep[csme_proc];	/* lookup proc */
+    esp = ep + 2;
+    return o_push_estack;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcsindex_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"1.setindexedspace", zsetindexedspace},
+		/* Internal operators */
+    {"1%indexed_map1", indexed_map1},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Allocate, and prepare to load, the index or tint map. */
+int
+zcs_begin_map(gs_indexed_map ** pmap, const ref * pproc, int num_entries,
+	   const gs_base_color_space * base_space, int (*map1) (P1(os_ptr)))
+{
+    gs_memory_t *mem = gs_state_memory(igs);
+    int num_components =
+    cs_num_components((const gs_color_space *)base_space);
+    int num_values = num_entries * num_components;
+    gs_indexed_map *map;
+    es_ptr ep;
+    float *values;
+
+    rc_alloc_struct_0(map, gs_indexed_map, &st_indexed_map,
+		      mem, return_error(e_VMerror),
+		      "setcolorspace(mapped)");
+    values =
+	(float *)gs_alloc_byte_array(mem, num_values, sizeof(float),
+				     "setcolorspace(mapped)");
+
+    if (values == 0) {
+	gs_free_object(mem, map, "setcolorspace(mapped)");
+	return_error(e_VMerror);
+    }
+    map->rc.free = rc_free_indexed_map;
+    map->num_values = num_values;
+    map->values = values;
+    *pmap = map;
+    /* Map the entire set of color indices.  Since the */
+    /* o-stack may not be able to hold 4*4096 values, we have */
+    /* to load them into the cache as they are generated. */
+    check_estack(num_csme + 1);	/* 1 extra for map1 proc */
+    ep = esp += num_csme;
+    make_int(ep + csme_num_components, num_components);
+    make_struct(ep + csme_map, imemory_space((gs_ref_memory_t *) mem), map);
+    ep[csme_proc] = *pproc;
+    make_int(ep + csme_hival, num_entries - 1);
+    make_int(ep + csme_index, -1);
+    push_op_estack(map1);
+    return o_push_estack;
+}
diff --git a/pstoraster/zcspixel.c b/pstoraster/zcspixel.c
new file mode 100644
index 000000000..7b427bb6e
--- /dev/null
+++ b/pstoraster/zcspixel.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* DevicePixel color space support */
+#include "ghost.h"
+#include "oper.h"
+#include "igstate.h"
+#include "gscspace.h"
+#include "gsmatrix.h"		/* for gscolor2.h */
+#include "gscolor2.h"
+#include "gscpixel.h"
+
+/* <array> .setdevicepixelspace - */
+private int
+zsetdevicepixelspace(register os_ptr op)
+{
+    ref depth;
+    gs_color_space cs;
+    int code;
+
+    check_read_type(*op, t_array);
+    if (r_size(op) != 2)
+	return_error(e_rangecheck);
+    array_get(op, 1L, &depth);
+    check_type_only(depth, t_integer);
+    switch (depth.value.intval) {
+	case 1:
+	case 2:
+	case 4:
+	case 8:
+	case 16:
+	case 24:
+	case 32:
+	    break;
+	default:
+	    return_error(e_rangecheck);
+    }
+    gs_cs_init_DevicePixel(&cs, (int)depth.value.intval);
+    code = gs_setcolorspace(igs, &cs);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcspixel_op_defs[] =
+{
+    {"1.setdevicepixelspace", zsetdevicepixelspace},
+    op_def_end(0)
+};
diff --git a/pstoraster/zcssepr.c b/pstoraster/zcssepr.c
new file mode 100644
index 000000000..87f6e349b
--- /dev/null
+++ b/pstoraster/zcssepr.c
@@ -0,0 +1,186 @@
+/* Copyright (C) 1994, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Separation color space support */
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gscolor.h"
+#include "gsmatrix.h"		/* for gxcolor2.h */
+#include "gscsepr.h"
+#include "gxcspace.h"
+#include "gxfixed.h"		/* ditto */
+#include "gxcolor2.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "icsmap.h"
+#include "igstate.h"
+#include "ivmspace.h"
+#include "store.h"
+
+/* Imported from gscsepr.c */
+extern const gs_color_space_type gs_color_space_type_Separation;
+
+/* Forward references */
+private int separation_map1(P1(os_ptr));
+
+/* Define the separation cache size.  This makes many useful tint values */
+/* map to integer cache indices. */
+#define SEPARATION_CACHE_SIZE 360
+
+/* Tint transform procedure that just consults the cache. */
+private int
+lookup_tint(const gs_separation_params * params, floatp tint, float *values)
+{
+    int m = cs_num_components((const gs_color_space *)&params->alt_space);
+    const gs_indexed_map *map = params->map;
+    int value_index =
+	(tint < 0 ? 0 : tint > 1 ? map->num_values - m :
+	 (int)(tint * SEPARATION_CACHE_SIZE + 0.5) * m);
+    const float *pv = &map->values[value_index];
+
+    switch (m) {
+	default:
+	    return_error(e_rangecheck);
+	case 4:
+	    values[3] = pv[3];
+	case 3:
+	    values[2] = pv[2];
+	    values[1] = pv[1];
+	case 1:
+	    values[0] = pv[0];
+    }
+    return 0;
+}
+
+/* <array> .setseparationspace - */
+/* The current color space is the alternate space for the separation space. */
+private int
+zsetseparationspace(register os_ptr op)
+{
+    const ref *pcsa;
+    gs_color_space cs;
+    ref_colorspace cspace_old;
+    uint edepth = ref_stack_count(&e_stack);
+    gs_indexed_map *map;
+    int code;
+
+    check_read_type(*op, t_array);
+    if (r_size(op) != 4)
+	return_error(e_rangecheck);
+    pcsa = op->value.const_refs + 1;
+    switch (r_type(pcsa)) {
+	default:
+	    return_error(e_typecheck);
+	case t_string:
+	case t_name:
+	    ;
+    }
+    check_proc(pcsa[2]);
+    cs = *gs_currentcolorspace(igs);
+    if (!cs.type->can_be_alt_space)
+	return_error(e_rangecheck);
+    code = zcs_begin_map(&map, &pcsa[2], SEPARATION_CACHE_SIZE + 1,
+			 (const gs_base_color_space *)&cs,
+			 separation_map1);
+    if (code < 0)
+	return code;
+    map->proc.tint_transform = lookup_tint;
+    cs.params.separation.alt_space = *(gs_base_color_space *) & cs;
+    cs.params.separation.map = map;
+    cspace_old = istate->colorspace;
+    istate->colorspace.procs.special.separation.layer_name = pcsa[0];
+    istate->colorspace.procs.special.separation.tint_transform = pcsa[2];
+    cs.type = &gs_color_space_type_Separation;
+    code = gs_setcolorspace(igs, &cs);
+    if (code < 0) {
+	istate->colorspace = cspace_old;
+	ref_stack_pop_to(&e_stack, edepth);
+	return code;
+    }
+    pop(1);
+    return (ref_stack_count(&e_stack) == edepth ? 0 : o_push_estack);	/* installation will load the caches */
+}
+
+/* Continuation procedure for saving transformed tint values. */
+private int
+separation_map1(os_ptr op)
+{
+    es_ptr ep = esp;
+    int i = (int)ep[csme_index].value.intval;
+
+    if (i >= 0) {		/* i.e., not first time */
+	int m = (int)ep[csme_num_components].value.intval;
+	int code = float_params(op, m, &r_ptr(&ep[csme_map], gs_indexed_map)->values[i * m]);
+
+	if (code < 0)
+	    return code;
+	pop(m);
+	op -= m;
+	if (i == (int)ep[csme_hival].value.intval) {	/* All done. */
+	    esp -= num_csme;
+	    return o_pop_estack;
+	}
+    }
+    push(1);
+    ep[csme_index].value.intval = ++i;
+    make_real(op, i / (float)SEPARATION_CACHE_SIZE);
+    make_op_estack(ep + 1, separation_map1);
+    ep[2] = ep[csme_proc];	/* tint_transform */
+    esp = ep + 2;
+    return o_push_estack;
+}
+
+/* - currentoverprint <bool> */
+private int
+zcurrentoverprint(register os_ptr op)
+{
+    push(1);
+    make_bool(op, gs_currentoverprint(igs));
+    return 0;
+}
+
+/* <bool> setoverprint - */
+private int
+zsetoverprint(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    gs_setoverprint(igs, op->value.boolval);
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zcssepr_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"0currentoverprint", zcurrentoverprint},
+    {"1setoverprint", zsetoverprint},
+    {"1.setseparationspace", zsetseparationspace},
+		/* Internal operators */
+    {"1%separation_map1", separation_map1},
+    op_def_end(0)
+};
diff --git a/pstoraster/zdevcal.c b/pstoraster/zdevcal.c
new file mode 100644
index 000000000..7b96e1fc9
--- /dev/null
+++ b/pstoraster/zdevcal.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 1995, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* %Calendar% IODevice */
+#include "time_.h"
+#include "ghost.h"
+#include "gxiodev.h"
+#include "istack.h"
+#include "iparam.h"
+
+/* ------ %Calendar% ------ */
+
+private iodev_proc_get_params(calendar_get_params);
+const gx_io_device gs_iodev_calendar = {
+    "%Calendar%", "Special",
+    { iodev_no_init, iodev_no_open_device, iodev_no_open_file,
+      iodev_no_fopen, iodev_no_fclose,
+      iodev_no_delete_file, iodev_no_rename_file, iodev_no_file_status,
+      iodev_no_enumerate_files, NULL, NULL,
+      calendar_get_params, iodev_no_put_params
+    }
+};
+
+/* Get the date and time. */
+private int
+calendar_get_params(gx_io_device * iodev, gs_param_list * plist)
+{
+    int code;
+    time_t t;
+    struct tm *pltime;
+    struct tm ltime;
+    static const gs_param_item_t items[] = {
+	{"Year", gs_param_type_int, offset_of(struct tm, tm_year)},
+	{"Month", gs_param_type_int, offset_of(struct tm, tm_mon)},
+	{"Day", gs_param_type_int, offset_of(struct tm, tm_mday)},
+	{"Weekday", gs_param_type_int, offset_of(struct tm, tm_wday)},
+	{"Hour", gs_param_type_int, offset_of(struct tm, tm_hour)},
+	{"Minute", gs_param_type_int, offset_of(struct tm, tm_min)},
+	{"Second", gs_param_type_int, offset_of(struct tm, tm_sec)},
+	gs_param_item_end
+    };
+    bool running;
+
+    if (time(&t) == -1 || (pltime = localtime(&t)) == 0) {
+	ltime.tm_sec = ltime.tm_min = ltime.tm_hour =
+	    ltime.tm_mday = ltime.tm_mon = ltime.tm_year = 0;
+	running = false;
+    } else {
+	ltime = *pltime;
+	ltime.tm_year += 1900;
+	ltime.tm_mon++;		/* 1-origin */
+	running = true;
+    }
+    if ((code = gs_param_write_items(plist, &ltime, NULL, items)) < 0)
+	return code;
+    return param_write_bool(plist, "Running", &running);
+}
diff --git a/pstoraster/zdevice.c b/pstoraster/zdevice.c
new file mode 100644
index 000000000..1ec580f7d
--- /dev/null
+++ b/pstoraster/zdevice.c
@@ -0,0 +1,445 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Device-related operators */
+#include "string_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "igstate.h"
+#include "iname.h"
+#include "interp.h"
+#include "iparam.h"
+#include "ivmspace.h"
+#include "gsmatrix.h"
+#include "gsstate.h"
+#include "gxdevice.h"
+#include "gxgetbit.h"
+#include "store.h"
+
+/* <device> copydevice <newdevice> */
+private int
+zcopydevice(register os_ptr op)
+{
+    gx_device *new_dev;
+    int code;
+
+    check_read_type(*op, t_device);
+    code = gs_copydevice(&new_dev, op->value.pdevice, imemory);
+    if (code < 0)
+	return code;
+    new_dev->memory = imemory;
+    make_tav(op, t_device, icurrent_space | a_all, pdevice, new_dev);
+    return 0;
+}
+
+/* - currentdevice <device> */
+int
+zcurrentdevice(register os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+    gs_ref_memory_t *mem = (gs_ref_memory_t *) dev->memory;
+
+    push(1);
+    make_tav(op, t_device,
+	     (mem == 0 ? avm_foreign : imemory_space(mem)) | a_all,
+	     pdevice, dev);
+    return 0;
+}
+
+/* <device> .devicename <string> */
+int
+zdevicename(register os_ptr op)
+{
+    const char *dname;
+
+    check_read_type(*op, t_device);
+    dname = op->value.pdevice->dname;
+    make_const_string(op, avm_foreign | a_readonly, strlen(dname),
+		      (const byte *)dname);
+    return 0;
+}
+
+/* - .doneshowpage - */
+private int
+zdoneshowpage(register os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+    gx_device *tdev = (*dev_proc(dev, get_page_device)) (dev);
+
+    if (tdev != 0)
+	tdev->ShowpageCount++;
+    return 0;
+}
+
+/* - flushpage - */
+int
+zflushpage(register os_ptr op)
+{
+    return gs_flushpage(igs);
+}
+
+/* <device> <x> <y> <width> <max_height> <alpha?> <std_depth> <string> */
+/*   .getbitsrect <height> <substring> */
+private int
+zgetbitsrect(register os_ptr op)
+{	/*
+	 * alpha? is 0 for no alpha, -1 for alpha first, 1 for alpha last.
+	 * std_depth is null for native pixels, depth/component for
+	 * standard color space.
+	 */
+    gx_device *dev;
+    gs_int_rect rect;
+    gs_get_bits_params_t params;
+    int w, h;
+    gs_get_bits_options_t options =
+	GB_ALIGN_ANY | GB_RETURN_COPY | GB_OFFSET_0 | GB_RASTER_STANDARD |
+	GB_PACKING_CHUNKY;
+    int std_depth;
+    uint raster;
+    int num_rows;
+    int code;
+
+    check_read_type(op[-7], t_device);
+    dev = op[-7].value.pdevice;
+    check_int_leu(op[-6], dev->width);
+    rect.p.x = op[-6].value.intval;
+    check_int_leu(op[-5], dev->height);
+    rect.p.y = op[-5].value.intval;
+    check_int_leu(op[-4], dev->width);
+    w = op[-4].value.intval;
+    check_int_leu(op[-3], dev->height);
+    h = op[-3].value.intval;
+    check_type(op[-2], t_integer);
+    switch (op[-2].value.intval) {
+	case -1:
+	    options |= GB_ALPHA_FIRST;
+	    break;
+	case 0:
+	    options |= GB_ALPHA_NONE;
+	    break;
+	case 1:
+	    options |= GB_ALPHA_LAST;
+	    break;
+	default:
+	    return_error(e_rangecheck);
+    }
+    if (r_has_type(op - 1, t_null))
+	options |= GB_COLORS_NATIVE;
+    else {
+	static const gs_get_bits_options_t depths[17] = {
+	    0, GB_DEPTH_1, GB_DEPTH_2, 0, GB_DEPTH_4, 0, 0, 0, GB_DEPTH_8,
+	    0, 0, 0, GB_DEPTH_12, 0, 0, 0, GB_DEPTH_16
+	};
+	gs_get_bits_options_t depth_option;
+
+	check_int_leu(op[-1], 16);
+	std_depth = (int)op[-1].value.intval;
+	depth_option = depths[std_depth];
+	if (depth_option == 0)
+	    return_error(e_rangecheck);
+	options |= depth_option | gb_colors_for_device(dev);
+    }
+    check_write_type(*op, t_string);
+    {
+	int depth =
+	    (options & GB_COLORS_NATIVE ? dev->color_info.depth :
+	     (dev->color_info.num_components +
+	      (options & GB_ALPHA_NONE ? 0 : 1)) * std_depth);
+
+	raster = (w * depth + 7) >> 3;
+    }
+    num_rows = r_size(op) / raster;
+    h = min(h, num_rows);
+    if (h == 0)
+	return_error(e_rangecheck);
+    rect.q.x = rect.p.x + w;
+    rect.q.y = rect.p.y + h;
+    params.options = options;
+    params.data[0] = op->value.bytes;
+    code = (*dev_proc(dev, get_bits_rectangle))(dev, &rect, &params, NULL);
+    if (code < 0)
+	return code;
+    make_int(op - 7, h);
+    op[-6] = *op;
+    r_set_size(op - 6, h * raster);
+    pop(6);
+    return 0;
+}
+
+/* <int> .getdevice <device> */
+private int
+zgetdevice(register os_ptr op)
+{
+    const gx_device *dev;
+
+    check_type(*op, t_integer);
+    if (op->value.intval != (int)(op->value.intval))
+	return_error(e_rangecheck);	/* won't fit in an int */
+    dev = gs_getdevice((int)(op->value.intval));
+    if (dev == 0)		/* index out of range */
+	return_error(e_rangecheck);
+    /* Device prototypes are read-only; */
+    /* the cast is logically unnecessary. */
+    make_tav(op, t_device, avm_foreign | a_readonly, pdevice,
+	     (gx_device *) dev);
+    return 0;
+}
+
+/* Common functionality of zgethardwareparms & zgetdeviceparams */
+private int
+zget_device_params(os_ptr op, bool is_hardware)
+{
+    ref rkeys;
+    gx_device *dev;
+    stack_param_list list;
+    int code;
+    ref *pmark;
+
+    check_read_type(op[-1], t_device);
+    rkeys = *op;
+    dev = op[-1].value.pdevice;
+    pop(1);
+    stack_param_list_write(&list, &o_stack, &rkeys);
+    code = gs_get_device_or_hardware_params(dev, (gs_param_list *) & list,
+					    is_hardware);
+    if (code < 0) {
+	/* We have to put back the top argument. */
+	if (list.count > 0)
+	    ref_stack_pop(&o_stack, list.count * 2 - 1);
+	else
+	    ref_stack_push(&o_stack, 1);
+	*osp = rkeys;
+	return code;
+    }
+    pmark = ref_stack_index(&o_stack, list.count * 2);
+    make_mark(pmark);
+    return 0;
+}
+/* <device> <key_dict|null> .getdeviceparams <mark> <name> <value> ... */
+private int
+zgetdeviceparams(os_ptr op)
+{
+    return zget_device_params(op, false);
+}
+/* <device> <key_dict|null> .gethardwareparams <mark> <name> <value> ... */
+private int
+zgethardwareparams(os_ptr op)
+{
+    return zget_device_params(op, true);
+}
+
+/* <matrix> <width> <height> <palette> <word?> makewordimagedevice <device> */
+private int
+zmakewordimagedevice(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    gs_matrix imat;
+    gx_device *new_dev;
+    const byte *colors;
+    int colors_size;
+    int code;
+
+    check_int_leu(op[-3], max_uint >> 1);	/* width */
+    check_int_leu(op[-2], max_uint >> 1);	/* height */
+    check_type(*op, t_boolean);
+    if (r_has_type(op1, t_null)) {	/* true color */
+	colors = 0;
+	colors_size = -24;	/* 24-bit true color */
+    } else if (r_has_type(op1, t_integer)) {
+	switch (op1->value.intval) {
+	    case 16:
+	    case 24:
+	    case 32:
+		break;
+	    default:
+		return_error(e_rangecheck);
+	}
+	colors = 0;
+	colors_size = -op1->value.intval;
+    } else {
+	check_type(*op1, t_string);	/* palette */
+	if (r_size(op1) > 3 * 256)
+	    return_error(e_rangecheck);
+	colors = op1->value.bytes;
+	colors_size = r_size(op1);
+    }
+    if ((code = read_matrix(op - 4, &imat)) < 0)
+	return code;
+    /* Everything OK, create device */
+    code = gs_makewordimagedevice(&new_dev, &imat,
+				  (int)op[-3].value.intval,
+				  (int)op[-2].value.intval,
+				  colors, colors_size,
+				  op->value.boolval, true, imemory);
+    if (code == 0) {
+	new_dev->memory = imemory;
+	make_tav(op - 4, t_device, imemory_space(iimemory) | a_all,
+		 pdevice, new_dev);
+	pop(4);
+    }
+    return code;
+}
+
+/* - nulldevice - */
+/* Note that nulldevice clears the current pagedevice. */
+private int
+znulldevice(register os_ptr op)
+{
+    gs_nulldevice(igs);
+    clear_pagedevice(istate);
+    return 0;
+}
+
+/* <num_copies> <flush_bool> .outputpage - */
+private int
+zoutputpage(register os_ptr op)
+{
+    int code;
+
+    check_type(op[-1], t_integer);
+    check_type(*op, t_boolean);
+    code = gs_output_page(igs, (int)op[-1].value.intval,
+			  op->value.boolval);
+    if (code < 0)
+	return code;
+    pop(2);
+    return 0;
+}
+
+/* <device> <policy_dict|null> <require_all> <mark> <name> <value> ... */
+/*      .putdeviceparams */
+/*   (on success) <device> <eraseflag> */
+/*   (on failure) <device> <policy_dict|null> <require_all> <mark> */
+/*       <name1> <error1> ... */
+/* For a key that simply was not recognized, if require_all is true, */
+/* the result will be an /undefined error; if require_all is false, */
+/* the key will be ignored. */
+/* Note that .putdeviceparams clears the current pagedevice. */
+private int
+zputdeviceparams(os_ptr op)
+{
+    uint count = ref_stack_counttomark(&o_stack);
+    ref *prequire_all;
+    ref *ppolicy;
+    ref *pdev;
+    gx_device *dev;
+    stack_param_list list;
+    int code;
+    int old_width, old_height;
+    int i, dest;
+
+    if (count == 0)
+	return_error(e_unmatchedmark);
+    prequire_all = ref_stack_index(&o_stack, count);
+    ppolicy = ref_stack_index(&o_stack, count + 1);
+    pdev = ref_stack_index(&o_stack, count + 2);
+    if (pdev == 0)
+	return_error(e_stackunderflow);
+    check_type_only(*prequire_all, t_boolean);
+    check_write_type_only(*pdev, t_device);
+    dev = pdev->value.pdevice;
+    code = stack_param_list_read(&list, &o_stack, 0, ppolicy,
+				 prequire_all->value.boolval);
+    if (code < 0)
+	return code;
+    old_width = dev->width;
+    old_height = dev->height;
+    code = gs_putdeviceparams(dev, (gs_param_list *) & list);
+    /* Check for names that were undefined or caused errors. */
+    for (dest = count - 2, i = 0; i < count >> 1; i++)
+	if (list.results[i] < 0) {
+	    *ref_stack_index(&o_stack, dest) =
+		*ref_stack_index(&o_stack, count - (i << 1) - 2);
+	    gs_errorname(list.results[i],
+			 ref_stack_index(&o_stack, dest - 1));
+	    dest -= 2;
+	}
+    iparam_list_release(&list);
+    if (code < 0) {		/* There were errors reported. */
+	ref_stack_pop(&o_stack, dest + 1);
+	return 0;
+    }
+    if (code > 0 || (code == 0 && (dev->width != old_width || dev->height != old_height))) {
+	/*
+	 * The device was open and is now closed, or its dimensions have
+	 * changed.  If it was the current device, call setdevice to
+	 * reinstall it and erase the page.
+	 */
+	/****** DOESN'T FIND ALL THE GSTATES THAT REFERENCE THE DEVICE. ******/
+	if (gs_currentdevice(igs) == dev) {
+	    bool was_open = dev->is_open;
+
+	    code = gs_setdevice_no_erase(igs, dev);
+	    /* If the device wasn't closed, setdevice won't erase the page. */
+	    if (was_open && code >= 0)
+		code = 1;
+	}
+    }
+    if (code < 0)
+	return code;
+    ref_stack_pop(&o_stack, count + 1);
+    make_bool(osp, code);
+    clear_pagedevice(istate);
+    return 0;
+}
+
+/* <device> .setdevice <eraseflag> */
+/* Note that .setdevice clears the current pagedevice. */
+int
+zsetdevice(register os_ptr op)
+{
+    int code;
+
+    check_write_type(*op, t_device);
+    code = gs_setdevice_no_erase(igs, op->value.pdevice);
+    if (code < 0)
+	return code;
+    make_bool(op, code != 0);	/* erase page if 1 */
+    clear_pagedevice(istate);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zdevice_op_defs[] =
+{
+    {"1copydevice", zcopydevice},
+    {"0currentdevice", zcurrentdevice},
+    {"1.devicename", zdevicename},
+    {"0.doneshowpage", zdoneshowpage},
+    {"0flushpage", zflushpage},
+    {"7.getbitsrect", zgetbitsrect},
+    {"1.getdevice", zgetdevice},
+    {"2.getdeviceparams", zgetdeviceparams},
+    {"2.gethardwareparams", zgethardwareparams},
+    {"5makewordimagedevice", zmakewordimagedevice},
+    {"0nulldevice", znulldevice},
+    {"2.outputpage", zoutputpage},
+    {"3.putdeviceparams", zputdeviceparams},
+    {"1.setdevice", zsetdevice},
+    op_def_end(0)
+};
diff --git a/pstoraster/zdevice2.c b/pstoraster/zdevice2.c
new file mode 100644
index 000000000..098541372
--- /dev/null
+++ b/pstoraster/zdevice2.c
@@ -0,0 +1,373 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 device operators */
+#include "math_.h"
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "dstack.h"		/* for dict_find_name */
+#include "estack.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "iname.h"
+#include "store.h"
+#include "gxdevice.h"
+#include "gsstate.h"
+
+/* Forward references */
+private int z2copy_gstate(P1(os_ptr));
+private int push_callout(P1(const char *));
+
+/* Extend the `copy' operator to deal with gstates. */
+/* This is done with a hack -- we know that gstates are the only */
+/* t_astruct subtype that implements copy. */
+private int
+z2copy(register os_ptr op)
+{
+    int code = zcopy(op);
+
+    if (code >= 0)
+	return code;
+    if (!r_has_type(op, t_astruct))
+	return code;
+    return z2copy_gstate(op);
+}
+
+/* - .currentshowpagecount <count> true */
+/* - .currentshowpagecount false */
+private int
+zcurrentshowpagecount(register os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+
+    if ((*dev_proc(dev, get_page_device))(dev) == 0) {
+	push(1);
+	make_false(op);
+    } else {
+	push(2);
+	make_int(op - 1, dev->ShowpageCount);
+	make_true(op);
+    }
+    return 0;
+}
+
+/* - .currentpagedevice <dict> <bool> */
+private int
+zcurrentpagedevice(register os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+
+    push(2);
+    if ((*dev_proc(dev, get_page_device))(dev) != 0) {
+	op[-1] = istate->pagedevice;
+	make_true(op);
+    } else {
+	make_null(op - 1);
+	make_false(op);
+    }
+    return 0;
+}
+
+/* <local_dict|null> .setpagedevice - */
+private int
+zsetpagedevice(register os_ptr op)
+{
+    int code;
+
+/******
+    if ( igs->in_cachedevice )
+	return_error(e_undefined);
+ ******/
+    if (r_has_type(op, t_dictionary)) {
+	check_dict_read(*op);
+#if 0	/****************/
+	/*
+	 * In order to avoid invalidaccess errors on setpagedevice,
+	 * the dictionary must be allocated in local VM.
+	 */
+	if (!(r_is_local(op)))
+	    return_error(e_invalidaccess);
+#endif	/****************/
+	/* Make the dictionary read-only. */
+	code = zreadonly(op);
+	if (code < 0)
+	    return code;
+    } else {
+	check_type(*op, t_null);
+    }
+    istate->pagedevice = *op;
+    pop(1);
+    return 0;
+}
+
+/* Default Install/BeginPage/EndPage procedures */
+/* that just call the procedure in the device. */
+
+/* - .callinstall - */
+private int
+zcallinstall(os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+
+    if ((dev = (*dev_proc(dev, get_page_device))(dev)) != 0) {
+	int code = (*dev->page_procs.install) (dev, igs);
+
+	if (code < 0)
+	    return code;
+    }
+    return 0;
+}
+
+/* <showpage_count> .callbeginpage - */
+private int
+zcallbeginpage(os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+
+    check_type(*op, t_integer);
+    if ((dev = (*dev_proc(dev, get_page_device))(dev)) != 0) {
+	int code = (*dev->page_procs.begin_page)(dev, igs);
+
+	if (code < 0)
+	    return code;
+    }
+    pop(1);
+    return 0;
+}
+
+/* <showpage_count> <reason_int> .callendpage <flush_bool> */
+private int
+zcallendpage(os_ptr op)
+{
+    gx_device *dev = gs_currentdevice(igs);
+    int code;
+
+    check_type(op[-1], t_integer);
+    check_type(*op, t_integer);
+    if ((dev = (*dev_proc(dev, get_page_device))(dev)) != 0) {
+	code = (*dev->page_procs.end_page)(dev, (int)op->value.intval, igs);
+	if (code < 0)
+	    return code;
+	if (code > 1)
+	    return_error(e_rangecheck);
+    } else {
+	code = (op->value.intval == 2 ? 0 : 1);
+    }
+    make_bool(op - 1, code);
+    pop(1);
+    return 0;
+}
+
+/* ------ Wrappers for operators that save the graphics state. ------ */
+
+/* When saving the state with the current device a page device, */
+/* we need to make sure that the page device dictionary exists */
+/* so that grestore can use it to reset the device parameters. */
+/* This may have significant performance consequences, but we don't see */
+/* any way around it. */
+
+/* Check whether we need to call out to create the page device dictionary. */
+private bool
+save_page_device(gs_state *pgs)
+{
+    return 
+	(r_has_type(&gs_int_gstate(pgs)->pagedevice, t_null) &&
+	 (*dev_proc(gs_currentdevice(pgs), get_page_device))(gs_currentdevice(pgs)) != 0);
+}
+
+/* - gsave - */
+private int
+z2gsave(os_ptr op)
+{
+    if (!save_page_device(igs))
+	return gs_gsave(igs);
+    return push_callout("%gsavepagedevice");
+}
+
+/* - save - */
+private int
+z2save(os_ptr op)
+{
+    if (!save_page_device(igs))
+	return zsave(op);
+    return push_callout("%savepagedevice");
+}
+
+/* - gstate <gstate> */
+private int
+z2gstate(os_ptr op)
+{
+    if (!save_page_device(igs))
+	return zgstate(op);
+    return push_callout("%gstatepagedevice");
+}
+
+/* <gstate1> <gstate2> copy <gstate2> */
+private int
+z2copy_gstate(os_ptr op)
+{
+    if (!save_page_device(igs))
+	return zcopy_gstate(op);
+    return push_callout("%copygstatepagedevice");
+}
+
+/* <gstate> currentgstate <gstate> */
+private int
+z2currentgstate(os_ptr op)
+{
+    if (!save_page_device(igs))
+	return zcurrentgstate(op);
+    return push_callout("%currentgstatepagedevice");
+}
+
+/* ------ Wrappers for operators that reset the graphics state. ------ */
+
+/* Check whether we need to call out to restore the page device. */
+private bool
+restore_page_device(const gs_state * pgs_old, const gs_state * pgs_new)
+{
+    gx_device *dev_old = gs_currentdevice(pgs_old);
+    gx_device *dev_new;
+    gx_device *dev_t1;
+    gx_device *dev_t2;
+
+    if ((dev_t1 = (*dev_proc(dev_old, get_page_device)) (dev_old)) == 0)
+	return false;
+    dev_new = gs_currentdevice(pgs_new);
+    if (dev_old != dev_new) {
+	if ((dev_t2 = (*dev_proc(dev_new, get_page_device)) (dev_new)) == 0)
+	    return false;
+	if (dev_t1 != dev_t2)
+	    return true;
+    }
+    /* The current implementation of setpagedevice just sets new */
+    /* parameters in the same device object, so we have to check */
+    /* whether the page device dictionaries are the same. */
+    {
+	const ref *ppd1 = &gs_int_gstate(pgs_old)->pagedevice;
+	const ref *ppd2 = &gs_int_gstate(pgs_new)->pagedevice;
+
+	return (r_type(ppd1) != r_type(ppd2) ||
+		(r_has_type(ppd1, t_dictionary) &&
+		 ppd1->value.pdict != ppd2->value.pdict));
+    }
+}
+
+/* - grestore - */
+private int
+z2grestore(os_ptr op)
+{
+    if (!restore_page_device(igs, gs_state_saved(igs)))
+	return gs_grestore(igs);
+    return push_callout("%grestorepagedevice");
+}
+
+/* - grestoreall - */
+private int
+z2grestoreall(os_ptr op)
+{
+    for (;;) {
+	if (!restore_page_device(igs, gs_state_saved(igs))) {
+	    bool done = !gs_state_saved(gs_state_saved(igs));
+
+	    gs_grestore(igs);
+	    if (done)
+		break;
+	} else
+	    return push_callout("%grestoreallpagedevice");
+    }
+    return 0;
+}
+
+/* <save> restore - */
+private int
+z2restore(os_ptr op)
+{
+    for (;;) {
+	if (!restore_page_device(igs, gs_state_saved(igs))) {
+	    zgrestore(op);
+	    if (!gs_state_saved(gs_state_saved(igs)))
+		break;
+	} else
+	    return push_callout("%restorepagedevice");
+    }
+    return zrestore(op);
+}
+
+/* <gstate> setgstate - */
+private int
+z2setgstate(os_ptr op)
+{
+    check_stype(*op, st_igstate_obj);
+    if (!restore_page_device(igs, igstate_ptr(op)))
+	return zsetgstate(op);
+    return push_callout("%setgstatepagedevice");
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zdevice2_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"0.currentshowpagecount", zcurrentshowpagecount},
+    {"0.currentpagedevice", zcurrentpagedevice},
+    {"1.setpagedevice", zsetpagedevice},
+		/* Note that the following replace prior definitions */
+		/* in the indicated files: */
+    {"1copy", z2copy},		/* zdps1.c */
+    {"0gsave", z2gsave},	/* zgstate.c */
+    {"0save", z2save},		/* zvmem.c */
+    {"0gstate", z2gstate},	/* zdps1.c */
+    {"1currentgstate", z2currentgstate},	/* zdps1.c */
+    {"0grestore", z2grestore},	/* zgstate.c */
+    {"0grestoreall", z2grestoreall},	/* zgstate.c */
+    {"1restore", z2restore},	/* zvmem.c */
+    {"1setgstate", z2setgstate},	/* zdps1.c */
+		/* Default Install/BeginPage/EndPage procedures */
+		/* that just call the procedure in the device. */
+    {"0.callinstall", zcallinstall},
+    {"1.callbeginpage", zcallbeginpage},
+    {"2.callendpage", zcallendpage},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Call out to a PostScript procedure. */
+private int
+push_callout(const char *callout_name)
+{
+    int code;
+
+    check_estack(1);
+    code = name_enter_string(callout_name, esp + 1);
+    if (code < 0)
+	return code;
+    ++esp;
+    r_set_attrs(esp, a_executable);
+    return o_push_estack;
+}
diff --git a/pstoraster/zdict.c b/pstoraster/zdict.c
new file mode 100644
index 000000000..fe7685a6e
--- /dev/null
+++ b/pstoraster/zdict.c
@@ -0,0 +1,515 @@
+/* Copyright (C) 1989, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Dictionary operators */
+#include "ghost.h"
+#include "oper.h"
+#include "idict.h"
+#include "dstack.h"
+#include "ilevel.h"		/* for [count]dictstack */
+#include "iname.h"		/* for dict_find_name */
+#include "ipacked.h"		/* for inline dict lookup */
+#include "ivmspace.h"
+#include "store.h"
+
+/* <int> dict <dict> */
+int
+zdict(register os_ptr op)
+{
+    check_type(*op, t_integer);
+#if arch_sizeof_int < arch_sizeof_long
+    check_int_leu(*op, max_uint);
+#else
+    if (op->value.intval < 0)
+	return_error(e_rangecheck);
+#endif
+    return dict_create((uint) op->value.intval, op);
+}
+
+/* <dict> maxlength <int> */
+private int
+zmaxlength(register os_ptr op)
+{
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    make_int(op, dict_maxlength(op));
+    return 0;
+}
+
+/* <dict> begin - */
+int
+zbegin(register os_ptr op)
+{
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if (dsp == dstop)
+	return_error(e_dictstackoverflow);
+    ++dsp;
+    ref_assign(dsp, op);
+    dict_set_top();
+    pop(1);
+    return 0;
+}
+
+/* - end - */
+int
+zend(register os_ptr op)
+{
+    if (ref_stack_count_inline(&d_stack) == min_dstack_size) {
+	/* We would underflow the d-stack. */
+	return_error(e_dictstackunderflow);
+    }
+    while (dsp == dsbot) {
+	/* We would underflow the current block. */
+	ref_stack_pop_block(&d_stack);
+    }
+    dsp--;
+    dict_set_top();
+    return 0;
+}
+
+/* <key> <value> def - */
+/*
+ * We make this into a separate procedure because
+ * the interpreter will almost always call it directly.
+ */
+int
+zop_def(register os_ptr op)
+{
+    register os_ptr op1 = op - 1;
+    ref *pvslot;
+
+    /* The following combines a check_op(2) with a type check. */
+    switch (r_type(op1)) {
+	case t_name: {
+	    /* We can use the fast single-probe lookup here. */
+	    uint nidx = name_index(op1);
+	    uint htemp;
+
+	    if_dict_find_name_by_index_top(nidx, htemp, pvslot) {
+		if (dtop_can_store(op))
+		    goto ra;
+	    }
+	    break;		/* handle all slower cases */
+	    }
+	case t_null:
+	    return_error(e_typecheck);
+	case t__invalid:
+	    return_error(e_stackunderflow);
+    }
+    /*
+     * Combine the check for a writable top dictionary with
+     * the global/local store check.  See dstack.h for details.
+     */
+    if (!dtop_can_store(op)) {
+	check_dict_write(*dsp);
+	/*
+	 * If the dictionary is writable, the problem must be
+	 * an invalid store.
+	 */
+	return_error(e_invalidaccess);
+    }
+    /*
+     * Save a level of procedure call in the common (redefinition)
+     * case.  With the current interfaces, we pay a double lookup
+     * in the uncommon case.
+     */
+    if (dict_find(dsp, op1, &pvslot) <= 0)
+	return dict_put(dsp, op1, op);
+ra:
+    ref_assign_old_inline(&dsp->value.pdict->values, pvslot, op,
+			  "dict_put(value)");
+    return 0;
+}
+int
+zdef(os_ptr op)
+{
+    int code = zop_def(op);
+
+    if (code >= 0) {
+	pop(2);
+    }
+    return code;
+}
+
+/* <key> load <value> */
+private int
+zload(register os_ptr op)
+{
+    ref *pvalue;
+
+    switch (r_type(op)) {
+	case t_name:
+	    /* Use the fast lookup. */
+	    if ((pvalue = dict_find_name(op)) == 0)
+		return_error(e_undefined);
+	    ref_assign(op, pvalue);
+	    return 0;
+	case t_null:
+	    return_error(e_typecheck);
+	case t__invalid:
+	    return_error(e_stackunderflow);
+	default: {
+		/* Use an explicit loop. */
+		uint size = ref_stack_count(&d_stack);
+		uint i;
+
+		for (i = 0; i < size; i++) {
+		    ref *dp = ref_stack_index(&d_stack, i);
+
+		    check_dict_read(*dp);
+		    if (dict_find(dp, op, &pvalue) > 0) {
+			ref_assign(op, pvalue);
+			return 0;
+		    }
+		}
+		return_error(e_undefined);
+	    }
+    }
+}
+
+/* get - implemented in zgeneric.c */
+
+/* put - implemented in zgeneric.c */
+
+/* <dict> <key> .undef - */
+/* <dict> <key> undef - */
+private int
+zundef(register os_ptr op)
+{
+    check_type(op[-1], t_dictionary);
+    check_dict_write(op[-1]);
+    dict_undef(op - 1, op);	/* ignore undefined error */
+    pop(2);
+    return 0;
+}
+
+/* <dict> <key> known <bool> */
+private int
+zknown(register os_ptr op)
+{
+    register os_ptr op1 = op - 1;
+    ref *pvalue;
+
+    check_type(*op1, t_dictionary);
+    check_dict_read(*op1);
+    make_bool(op1, (dict_find(op1, op, &pvalue) > 0 ? 1 : 0));
+    pop(1);
+    return 0;
+}
+
+/* <key> where <dict> true */
+/* <key> where false */
+int
+zwhere(register os_ptr op)
+{
+    ref_stack_enum_t rsenum;
+
+    check_op(1);
+    ref_stack_enum_begin(&rsenum, &d_stack);
+    do {
+	const ref *const bot = rsenum.ptr;
+	const ref *pdref = bot + rsenum.size;
+	ref *pvalue;
+
+	while (pdref-- > bot) {
+	    check_dict_read(*pdref);
+	    if (dict_find(pdref, op, &pvalue) > 0) {
+		push(1);
+		ref_assign(op - 1, pdref);
+		make_true(op);
+		return 0;
+	    }
+	}
+    } while (ref_stack_enum_next(&rsenum));
+    make_false(op);
+    return 0;
+}
+
+/* copy for dictionaries -- called from zcopy in zgeneric.c. */
+/* Only the type of *op has been checked. */
+int
+zcopy_dict(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int code;
+
+    check_type(*op1, t_dictionary);
+    check_dict_read(*op1);
+    check_dict_write(*op);
+    if (!dict_auto_expand &&
+	(dict_length(op) != 0 || dict_maxlength(op) < dict_length(op1))
+	)
+	return_error(e_rangecheck);
+    code = dict_copy(op1, op);
+    if (code < 0)
+	return code;
+    /*
+     * In Level 1 systems, we must copy the access attributes too.
+     * The only possible effect this can have is to make the
+     * copy read-only if the original dictionary is read-only.
+     */
+    if (!level2_enabled)
+	r_copy_attrs(dict_access_ref(op), a_write, dict_access_ref(op1));
+    ref_assign(op1, op);
+    pop(1);
+    return 0;
+}
+
+/* - currentdict <dict> */
+private int
+zcurrentdict(register os_ptr op)
+{
+    push(1);
+    ref_assign(op, dsp);
+    return 0;
+}
+
+/* - countdictstack <int> */
+private int
+zcountdictstack(register os_ptr op)
+{
+    uint count = ref_stack_count(&d_stack);
+
+    push(1);
+    if (!level2_enabled)
+	count--;		/* see dstack.h */
+    make_int(op, count);
+    return 0;
+}
+
+/* <array> dictstack <subarray> */
+private int
+zdictstack(register os_ptr op)
+{
+    uint count = ref_stack_count(&d_stack);
+
+    check_write_type(*op, t_array);
+    if (!level2_enabled)
+	count--;		/* see dstack.h */
+    return ref_stack_store(&d_stack, op, count, 0, 0, true, "dictstack");
+}
+
+/* - cleardictstack - */
+private int
+zcleardictstack(os_ptr op)
+{
+    while (zend(op) >= 0);
+    return 0;
+}
+
+/* ------ Extensions ------ */
+
+/* <dict1> <dict2> .dictcopynew <dict2> */
+private int
+zdictcopynew(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int code;
+
+    check_type(*op1, t_dictionary);
+    check_dict_read(*op1);
+    check_type(*op, t_dictionary);
+    check_dict_write(*op);
+    /* This is only recognized in Level 2 mode. */
+    if (!dict_auto_expand)
+	return_error(e_undefined);
+    code = dict_copy_new(op1, op);
+    if (code < 0)
+	return code;
+    ref_assign(op1, op);
+    pop(1);
+    return 0;
+}
+
+/* -mark- <key0> <value0> <key1> <value1> ... .dicttomark <dict> */
+/* This is the Level 2 >> operator. */
+private int
+zdicttomark(register os_ptr op)
+{
+    uint count2 = ref_stack_counttomark(&o_stack);
+    ref rdict;
+    int code;
+    uint idx;
+
+    if (count2 == 0)
+	return_error(e_unmatchedmark);
+    count2--;
+    if ((count2 & 1) != 0)
+	return_error(e_rangecheck);
+    code = dict_create(count2 >> 1, &rdict);
+    if (code < 0)
+	return code;
+    /* << /a 1 /a 2 >> => << /a 1 >>, i.e., */
+    /* we must enter the keys in top-to-bottom order. */
+    for (idx = 0; idx < count2; idx += 2) {
+	code = dict_put(&rdict,
+			ref_stack_index(&o_stack, idx + 1),
+			ref_stack_index(&o_stack, idx));
+	if (code < 0) {		/* There's no way to free the dictionary -- too bad. */
+	    return code;
+	}
+    }
+    ref_stack_pop(&o_stack, count2);
+    ref_assign(osp, &rdict);
+    return code;
+}
+
+/* <dict> <key> <value> .forceput - */
+/*
+ * This forces a "put" even if the dictionary is not writable, and (if the
+ * dictionary is systemdict or the save level is 0) even if the value is in
+ * local VM.  It is meant to be used only for replacing the value of
+ * FontDirectory in systemdict when switching between local and global VM,
+ * and a few similar applications.  After initialization, this operator
+ * should no longer be accessible by name.
+ */
+private int
+zforceput(register os_ptr op)
+{
+    os_ptr odp = op - 2;
+    int code;
+
+    check_type(*odp, t_dictionary);
+    if (odp->value.pdict == systemdict->value.pdict ||
+	!ialloc_is_in_save()
+	) {
+	uint space = r_space(odp);
+
+	r_set_space(odp, avm_local);
+	code = dict_put(odp, op - 1, op);
+	r_set_space(odp, space);
+    } else
+	code = dict_put(odp, op - 1, op);
+    if (code < 0)
+	return code;
+    pop(3);
+    return 0;
+}
+
+/* <dict> <key> .forceundef - */
+/*
+ * This forces an "undef" even if the dictionary is not writable.
+ * Like .forceput, it is meant to be used only in a few special situations,
+ * and should not be accessible by name after initialization.
+ */
+private int
+zforceundef(register os_ptr op)
+{
+    check_type(op[-1], t_dictionary);
+    /* Don't check_dict_write */
+    dict_undef(op - 1, op);	/* ignore undefined error */
+    pop(2);
+    return 0;
+}
+
+/* <dict> <key> .knownget <value> true */
+/* <dict> <key> .knownget false */
+private int
+zknownget(register os_ptr op)
+{
+    register os_ptr op1 = op - 1;
+    ref *pvalue;
+
+    check_type(*op1, t_dictionary);
+    check_dict_read(*op1);
+    if (dict_find(op1, op, &pvalue) <= 0) {
+	make_false(op1);
+	pop(1);
+    } else {
+	ref_assign(op1, pvalue);
+	make_true(op);
+    }
+    return 0;
+}
+
+/* <dict> <key> .knownundef <bool> */
+private int
+zknownundef(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int code;
+
+    check_type(*op1, t_dictionary);
+    check_dict_write(*op1);
+    code = dict_undef(op1, op);
+    make_bool(op1, code == 0);
+    pop(1);
+    return 0;
+}
+
+/* <dict> <int> .setmaxlength - */
+private int
+zsetmaxlength(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    uint new_size;
+    int code;
+
+    check_type(*op1, t_dictionary);
+    check_dict_write(*op1);
+    check_type(*op, t_integer);
+#if arch_sizeof_int < arch_sizeof_long
+    check_int_leu(*op, max_uint);
+#else
+    if (op->value.intval < 0)
+	return_error(e_rangecheck);
+#endif
+    new_size = (uint) op->value.intval;
+    if (dict_length(op - 1) > new_size)
+	return_error(e_dictfull);
+    code = dict_resize(op - 1, new_size);
+    if (code >= 0)
+	pop(2);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zdict_op_defs[] =
+{
+    {"0cleardictstack", zcleardictstack},
+    {"1begin", zbegin},
+    {"0countdictstack", zcountdictstack},
+    {"0currentdict", zcurrentdict},
+    {"2def", zdef},
+    {"1dict", zdict},
+    {"0dictstack", zdictstack},
+    {"0end", zend},
+    {"2known", zknown},
+    {"1load", zload},
+    {"1maxlength", zmaxlength},
+    {"2.undef", zundef},	/* we need this even in Level 1 */
+    {"1where", zwhere},
+		/* Extensions */
+    {"2.dictcopynew", zdictcopynew},
+    {"1.dicttomark", zdicttomark},
+    {"3.forceput", zforceput},
+    {"2.forceundef", zforceundef},
+    {"2.knownget", zknownget},
+    {"1.knownundef", zknownundef},
+    {"2.setmaxlength", zsetmaxlength},
+    op_def_end(0)
+};
diff --git a/pstoraster/zdps1.c b/pstoraster/zdps1.c
new file mode 100644
index 000000000..c3e891589
--- /dev/null
+++ b/pstoraster/zdps1.c
@@ -0,0 +1,459 @@
+/* Copyright (C) 1990, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 / Display PostScript graphics extensions */
+#include "ghost.h"
+#include "oper.h"
+#include "gsmatrix.h"
+#include "gspath.h"
+#include "gspath2.h"
+#include "gsstate.h"
+#include "ialloc.h"
+#include "igstate.h"
+#include "ivmspace.h"
+#include "store.h"
+#include "stream.h"
+#include "ibnum.h"
+
+/* Forward references */
+private int gstate_unshare(P1(os_ptr));
+
+/* Structure descriptors */
+public_st_igstate_obj();
+
+/* Extend the `copy' operator to deal with gstates. */
+/* This is done with a hack -- we know that gstates are the only */
+/* t_astruct subtype that implements copy. */
+private int
+z1copy(register os_ptr op)
+{
+    int code = zcopy(op);
+
+    if (code >= 0)
+	return code;
+    if (!r_has_type(op, t_astruct))
+	return code;
+    return zcopy_gstate(op);
+}
+
+/* ------ Graphics state ------ */
+
+/* <bool> setstrokeadjust - */
+private int
+zsetstrokeadjust(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    gs_setstrokeadjust(igs, op->value.boolval);
+    pop(1);
+    return 0;
+}
+
+/* - currentstrokeadjust <bool> */
+private int
+zcurrentstrokeadjust(register os_ptr op)
+{
+    push(1);
+    make_bool(op, gs_currentstrokeadjust(igs));
+    return 0;
+}
+
+/* ------ Graphics state objects ------ */
+
+/* Check to make sure that all the elements of a graphics state */
+/* can be stored in the given allocation space. */
+/****** DOESN'T CHECK THE NON-REFS. ****** */
+private int
+gstate_check_space(int_gstate * isp, uint space)
+{
+#define gsref_check(p) store_check_space(space, p)
+    int_gstate_map_refs(isp, gsref_check);
+#undef gsref_check
+    return 0;
+}
+
+/* - gstate <gstate> */
+int
+zgstate(register os_ptr op)
+{
+    int code = gstate_check_space(istate, icurrent_space);
+    igstate_obj *pigo;
+    gs_state *pnew;
+    int_gstate *isp;
+
+    if (code < 0)
+	return code;
+    pigo = ialloc_struct(igstate_obj, &st_igstate_obj, "gstate");
+    if (pigo == 0)
+	return_error(e_VMerror);
+    pnew = gs_state_copy(igs, imemory);
+    if (pnew == 0) {
+	ifree_object(pigo, "gstate");
+	return_error(e_VMerror);
+    }
+    isp = gs_int_gstate(pnew);
+    int_gstate_map_refs(isp, ref_mark_new);
+    push(1);
+    /*
+     * Since igstate_obj isn't a ref, but only contains a ref, save won't
+     * clear its l_new bit automatically, and restore won't set it
+     * automatically; we have to make sure this ref is on the changes chain.
+     */
+    make_iastruct(op, a_all, pigo);
+    make_null(&pigo->gstate);
+    ref_save(op, &pigo->gstate, "gstate");
+    make_istruct_new(&pigo->gstate, 0, pnew);
+    return 0;
+}
+
+/* copy for gstates */
+int
+zcopy_gstate(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    gs_state *pgs;
+    gs_state *pgs1;
+    int_gstate *pistate;
+    gs_memory_t *mem;
+    int code;
+
+    check_stype(*op, st_igstate_obj);
+    check_stype(*op1, st_igstate_obj);
+    check_write(*op);
+    code = gstate_unshare(op);
+    if (code < 0)
+	return code;
+    pgs = igstate_ptr(op);
+    pgs1 = igstate_ptr(op1);
+    pistate = gs_int_gstate(pgs);
+    code = gstate_check_space(gs_int_gstate(pgs1), r_space(op));
+    if (code < 0)
+	return code;
+#define gsref_save(p) ref_save(op, p, "copygstate")
+    int_gstate_map_refs(pistate, gsref_save);
+#undef gsref_save
+    mem = gs_state_swap_memory(pgs, imemory);
+    code = gs_copygstate(pgs, pgs1);
+    gs_state_swap_memory(pgs, mem);
+    if (code < 0)
+	return code;
+    int_gstate_map_refs(pistate, ref_mark_new);
+    *op1 = *op;
+    pop(1);
+    return 0;
+}
+
+/* <gstate> currentgstate <gstate> */
+int
+zcurrentgstate(register os_ptr op)
+{
+    gs_state *pgs;
+    int_gstate *pistate;
+    int code;
+    gs_memory_t *mem;
+
+    check_stype(*op, st_igstate_obj);
+    check_write(*op);
+    code = gstate_unshare(op);
+    if (code < 0)
+	return code;
+    pgs = igstate_ptr(op);
+    pistate = gs_int_gstate(pgs);
+    code = gstate_check_space(istate, r_space(op));
+    if (code < 0)
+	return code;
+#define gsref_save(p) ref_save(op, p, "currentgstate")
+    int_gstate_map_refs(pistate, gsref_save);
+#undef gsref_save
+    mem = gs_state_swap_memory(pgs, imemory);
+    code = gs_currentgstate(pgs, igs);
+    gs_state_swap_memory(pgs, mem);
+    if (code < 0)
+	return code;
+    int_gstate_map_refs(pistate, ref_mark_new);
+    return 0;
+}
+
+/* <gstate> setgstate - */
+int
+zsetgstate(register os_ptr op)
+{
+    int code;
+
+    check_stype(*op, st_igstate_obj);
+    check_read(*op);
+    code = gs_setgstate(igs, igstate_ptr(op));
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* ------ Rectangles ------- */
+
+/*
+ * We preallocate a short list for rectangles, because
+ * the rectangle operators usually will involve very few rectangles.
+ */
+#define MAX_LOCAL_RECTS 5
+typedef struct local_rects_s {
+    gs_rect *pr;
+    uint count;
+    gs_rect rl[MAX_LOCAL_RECTS];
+} local_rects_t;
+
+/* Forward references */
+private int rect_get(P2(local_rects_t *, os_ptr));
+private void rect_release(P1(local_rects_t *));
+
+/* <x> <y> <width> <height> .rectappend - */
+/* <numarray|numstring> .rectappend - */
+private int
+zrectappend(os_ptr op)
+{
+    local_rects_t lr;
+    int npop = rect_get(&lr, op);
+    int code;
+
+    if (npop < 0)
+	return npop;
+    code = gs_rectappend(igs, lr.pr, lr.count);
+    rect_release(&lr);
+    if (code < 0)
+	return code;
+    pop(npop);
+    return 0;
+}
+
+/* <x> <y> <width> <height> rectclip - */
+/* <numarray|numstring> rectclip - */
+private int
+zrectclip(os_ptr op)
+{
+    local_rects_t lr;
+    int npop = rect_get(&lr, op);
+    int code;
+
+    if (npop < 0)
+	return npop;
+    code = gs_rectclip(igs, lr.pr, lr.count);
+    rect_release(&lr);
+    if (code < 0)
+	return code;
+    pop(npop);
+    return 0;
+}
+
+/* <x> <y> <width> <height> rectfill - */
+/* <numarray|numstring> rectfill - */
+private int
+zrectfill(os_ptr op)
+{
+    local_rects_t lr;
+    int npop = rect_get(&lr, op);
+    int code;
+
+    if (npop < 0)
+	return npop;
+    code = gs_rectfill(igs, lr.pr, lr.count);
+    rect_release(&lr);
+    if (code < 0)
+	return code;
+    pop(npop);
+    return 0;
+}
+
+/* <x> <y> <width> <height> rectstroke - */
+/* <numarray|numstring> rectstroke - */
+private int
+zrectstroke(os_ptr op)
+{
+    gs_matrix mat;
+    local_rects_t lr;
+    int npop, code;
+
+    if (read_matrix(op, &mat) >= 0) {
+	/* Concatenate the matrix to the CTM just before stroking the path. */
+	npop = rect_get(&lr, op - 1);
+	if (npop < 0)
+	    return npop;
+	code = gs_rectstroke(igs, lr.pr, lr.count, &mat);
+	npop++;
+    } else {
+	/* No matrix. */
+	npop = rect_get(&lr, op);
+	if (npop < 0)
+	    return npop;
+	code = gs_rectstroke(igs, lr.pr, lr.count, (gs_matrix *) 0);
+    }
+    rect_release(&lr);
+    if (code < 0)
+	return code;
+    pop(npop);
+    return 0;
+}
+
+/* --- Internal routines --- */
+
+/* Get rectangles from the stack. */
+/* Return the number of elements to pop (>0) if OK, <0 if error. */
+private int
+rect_get(local_rects_t * plr, os_ptr op)
+{
+    int format, code;
+    uint n, count;
+    gs_rect *pr;
+    double rv[4];
+
+    switch (r_type(op)) {
+	case t_array:
+	case t_mixedarray:
+	case t_shortarray:
+	case t_string:
+	    code = num_array_format(op);
+	    if (code < 0)
+		return code;
+	    format = code;
+	    count = num_array_size(op, format);
+	    if (count % 4)
+		return_error(e_rangecheck);
+	    count /= 4;
+	    break;
+	default:		/* better be 4 numbers */
+	    code = num_params(op, 4, rv);
+	    if (code < 0)
+		return code;
+	    plr->pr = plr->rl;
+	    plr->count = 1;
+	    plr->rl[0].q.x = (plr->rl[0].p.x = rv[0]) + rv[2];
+	    plr->rl[0].q.y = (plr->rl[0].p.y = rv[1]) + rv[3];
+	    return 4;
+    }
+    plr->count = count;
+    if (count <= MAX_LOCAL_RECTS)
+	pr = plr->rl;
+    else {
+	pr = (gs_rect *) ialloc_byte_array(count, sizeof(gs_rect),
+					   "rect_get");
+	if (pr == 0)
+	    return_error(e_VMerror);
+    }
+    plr->pr = pr;
+    for (n = 0; n < count; n++, pr++) {
+	ref rnum;
+	int i;
+
+	for (i = 0; i < 4; i++) {
+	    code = num_array_get((const ref *)op, format,
+				 (n << 2) + i, &rnum);
+	    switch (code) {
+		case t_integer:
+		    rv[i] = rnum.value.intval;
+		    break;
+		case t_real:
+		    rv[i] = rnum.value.realval;
+		    break;
+		default:	/* code < 0 */
+		    return code;
+	    }
+	}
+	pr->q.x = (pr->p.x = rv[0]) + rv[2];
+	pr->q.y = (pr->p.y = rv[1]) + rv[3];
+    }
+    return 1;
+}
+
+/* Release the rectangle list if needed. */
+private void
+rect_release(local_rects_t * plr)
+{
+    if (plr->pr != plr->rl)
+	ifree_object(plr->pr, "rect_release");
+}
+
+/* ------ Graphics state ------ */
+
+/* <llx> <lly> <urx> <ury> setbbox - */
+int
+zsetbbox(register os_ptr op)
+{
+    double box[4];
+
+    int code = num_params(op, 4, box);
+
+    if (code < 0)
+	return code;
+    if ((code = gs_setbbox(igs, box[0], box[1], box[2], box[3])) < 0)
+	return code;
+    pop(4);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zdps1_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+		/* Graphics state */
+    {"0currentstrokeadjust", zcurrentstrokeadjust},
+    {"1setstrokeadjust", zsetstrokeadjust},
+		/* Graphics state objects */
+    {"1copy", z1copy},
+    {"1currentgstate", zcurrentgstate},
+    {"0gstate", zgstate},
+    {"1setgstate", zsetgstate},
+		/* Rectangles */
+    {"1.rectappend", zrectappend},
+    {"1rectclip", zrectclip},
+    {"1rectfill", zrectfill},
+    {"1rectstroke", zrectstroke},
+		/* Graphics state components */
+    {"4setbbox", zsetbbox},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Ensure that a gstate is not shared with an outer save level. */
+/* *op is of type t_astruct(igstate_obj). */
+private int
+gstate_unshare(os_ptr op)
+{
+    ref *pgsref = &r_ptr(op, igstate_obj)->gstate;
+    gs_state *pgs = r_ptr(pgsref, gs_state);
+    gs_state *pnew;
+    int_gstate *isp;
+
+    if (!ref_must_save(pgsref))
+	return 0;
+    /* Copy the gstate. */
+    pnew = gs_gstate(pgs);
+    if (pnew == 0)
+	return_error(e_VMerror);
+    isp = gs_int_gstate(pnew);
+    int_gstate_map_refs(isp, ref_mark_new);
+    ref_do_save(op, pgsref, "gstate_unshare");
+    make_istruct_new(pgsref, 0, pnew);
+    return 0;
+}
diff --git a/pstoraster/zfbcp.c b/pstoraster/zfbcp.c
new file mode 100644
index 000000000..61f9384c7
--- /dev/null
+++ b/pstoraster/zfbcp.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* (T)BCP filter creation */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "stream.h"
+#include "strimpl.h"
+#include "sfilter.h"
+#include "ifilter.h"
+
+/* Define null handlers for the BCP out-of-band signals. */
+private int
+no_bcp_signal_interrupt(stream_state * st)
+{
+    return 0;
+}
+private int
+no_bcp_request_status(stream_state * st)
+{
+    return 0;
+}
+
+/* <source> BCPEncode/filter <file> */
+/* <source> <dict> BCPEncode/filter <file> */
+private int
+zBCPE(os_ptr op)
+{
+    return filter_write_simple(op, &s_BCPE_template);
+}
+
+/* <target> BCPDecode/filter <file> */
+/* <target> <dict> BCPDecode/filter <file> */
+private int
+zBCPD(os_ptr op)
+{
+    stream_BCPD_state state;
+
+    state.signal_interrupt = no_bcp_signal_interrupt;
+    state.request_status = no_bcp_request_status;
+    return filter_read(op, 0, &s_BCPD_template, (stream_state *) & state, 0);
+}
+
+/* <source> TBCPEncode/filter <file> */
+/* <source> <dict> TBCPEncode/filter <file> */
+private int
+zTBCPE(os_ptr op)
+{
+    return filter_write_simple(op, &s_TBCPE_template);
+}
+
+/* <target> TBCPDecode/filter <file> */
+/* <target> <dict> TBCPDecode/filter <file> */
+private int
+zTBCPD(os_ptr op)
+{
+    stream_BCPD_state state;
+
+    state.signal_interrupt = no_bcp_signal_interrupt;
+    state.request_status = no_bcp_request_status;
+    return filter_read(op, 0, &s_TBCPD_template, (stream_state *)&state, 0);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfbcp_op_defs[] =
+{
+    op_def_begin_filter(),
+    {"1BCPEncode", zBCPE},
+    {"1BCPDecode", zBCPD},
+    {"1TBCPEncode", zTBCPE},
+    {"1TBCPDecode", zTBCPD},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfcmap.c b/pstoraster/zfcmap.c
new file mode 100644
index 000000000..479881e22
--- /dev/null
+++ b/pstoraster/zfcmap.c
@@ -0,0 +1,355 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* CMap creation operator */
+#include "ghost.h"
+#include "oper.h"
+#include "gsmatrix.h"		/* for gxfont.h */
+#include "gsstruct.h"
+#include "gsutil.h"		/* for bytes_compare */
+#include "gxfcmap.h"
+#include "gxfont.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ifont.h"		/* for zfont_mark_glyph_name */
+#include "iname.h"
+#include "store.h"
+
+/* ---------------- Internal procedures ---------------- */
+
+/* Free a code map tree in case of memory overflow. */
+private void
+free_code_map(gx_code_map * pcmap, gs_memory_t * mem)
+{
+    if (pcmap->type == cmap_subtree) {
+	int i;
+
+	for (i = pcmap->byte_data.count1; i >= 0; --i)
+	    free_code_map(&pcmap->data.subtree[i], mem);
+	gs_free_object(mem, pcmap->data.subtree, "free_code_map");
+    }
+}
+
+/* Convert a code map to internal form. */
+private int
+acquire_code_map(gx_code_map * pcmap, const ref * pref, int depth,
+		 gs_cmap * root, gs_memory_t * mem)
+{
+    pcmap->add_offset = 0;
+    pcmap->cmap = root;
+    pcmap->byte_data.font_index = 0;
+    switch (r_type(pref)) {
+	case t_null:
+	    pcmap->type = cmap_glyph;
+	    pcmap->data.glyph = gs_no_glyph;
+	    return 0;
+	case t_name:
+	    pcmap->type = cmap_glyph;
+	    pcmap->data.glyph = name_index(pref);
+	    return 0;
+	case t_integer:
+	    if (pref->value.intval < 0 ||
+		pref->value.intval > gs_max_glyph - gs_min_cid_glyph
+		)
+		break;
+	    pcmap->type = cmap_glyph;
+	    pcmap->data.glyph = pref->value.intval + gs_min_cid_glyph;
+	    return 0;
+	case t_string:
+	    if (r_size(pref) < 1 || r_size(pref) > 4)
+		break;
+	    pcmap->type = cmap_char_code;
+	    pcmap->num_bytes1 = r_size(pref) - 1;
+	    {
+		int i;
+		gs_char chr = 0;
+
+		for (i = 0; i < r_size(pref); ++i)
+		    chr = (chr << 8) + pref->value.const_bytes[i];
+		pcmap->data.ccode = chr;
+	    }
+	    return 0;
+	default:
+	    if (!r_is_array(pref) || r_size(pref) < 1 || r_size(pref) > 256)
+		break;
+	    if (depth >= 4)
+		return_error(e_limitcheck);
+	    {
+		uint size = r_size(pref);
+		uint count = 0;
+		ref_type rtype;
+		long prev_value;
+		long diff;
+		uint run_length;
+		ref rsub;
+		gx_code_map *subtree;
+		uint i, j;
+
+		/* Do a first pass to count non-null entries and find runs. */
+
+		for (rtype = t_null, i = 0; i < size; ++i) {
+		    ref_type prev_type = rtype;
+
+		    array_get(pref, (long)i, &rsub);
+		    rtype = r_type(&rsub);
+		    switch (rtype) {
+			case t_null:
+			    continue;
+			case t_integer:
+			    if (prev_type == t_integer) {
+				if (run_length == 1) {
+				    diff = rsub.value.intval - prev_value;
+				    if (!(diff & ~1L)) {
+					prev_value = rsub.value.intval;
+					run_length = 2;
+					continue;
+				    }
+				} else if (rsub.value.intval - prev_value == diff) {
+				    prev_value = rsub.value.intval;
+				    ++run_length;
+				    continue;
+				}
+			    }
+			    prev_value = rsub.value.intval;
+			    run_length = 1;
+			    /* falls through */
+			default:
+			    ++count;
+		    }
+		}
+
+		if (count == 0)		/* all nulls */
+		    count = 1;
+		subtree =
+		    gs_alloc_struct_array(mem, count, gx_code_map,
+					  &st_code_map_element,
+					  "acquire_code_map");
+		if (subtree == 0)
+		    return_error(e_VMerror);
+		pcmap->type = cmap_subtree;
+		pcmap->data.subtree = subtree;
+		/* Initialize a single undefined entry, in case count = 0 */
+		/* or we have to bail out with j = 0. */
+		subtree->first = subtree->last = 255;
+		subtree->type = cmap_glyph;
+		subtree->byte_data.font_index = 0;
+		subtree->data.glyph = gs_no_glyph;
+
+		/* Do the second pass to construct the tree. */
+
+		for (rtype = t_null, i = j = 0; i < size; ++i) {
+		    ref_type prev_type = rtype;
+		    gx_code_map *submap = &subtree[j];
+		    int code;
+
+		    array_get(pref, (long)i, &rsub);
+		    rtype = r_type(&rsub);
+		    switch (rtype) {
+			case t_null:
+			    continue;
+			case t_integer:
+			    if (prev_type == t_integer) {
+				if (submap[-1].first == submap[-1].last) {
+				    diff = rsub.value.intval - prev_value;
+				    if (!(diff & ~1L)) {
+					prev_value = rsub.value.intval;
+					submap[-1].add_offset = (uint)diff;
+					submap[-1].last++;
+					continue;
+				    }
+				} else if (rsub.value.intval - prev_value == diff) {
+				    prev_value = rsub.value.intval;
+				    submap[-1].last++;
+				    continue;
+				}
+			    }
+			    prev_value = rsub.value.intval;
+			    /* falls through */
+			default:
+			    code = acquire_code_map(submap, &rsub, depth + 1,
+						    root, mem);
+			    if (code < 0) {	/* Release allocated elements. */
+				pcmap->byte_data.count1 = (j ? j - 1 : 0);
+				free_code_map(pcmap, mem);
+				return code;
+			    }
+			    submap->first = submap->last = (byte)i;
+			    ++j;
+		    }
+		}
+		pcmap->byte_data.count1 = count - 1;
+	    }
+	    return 0;
+    }
+    return_error(e_rangecheck);
+}
+
+/* Acquire CIDSystemInfo.  If missing, set Registry and Ordering to */
+/* empty strings and Supplement to 0, and return 1. */
+/* Note that this currently does not handle the array format. */
+private int
+acquire_cid_system_info(gs_cid_system_info * pcidsi, const ref * op)
+{
+    ref *prcidsi;
+    ref *pregistry;
+    ref *pordering;
+
+    if (dict_find_string(op, "CIDSystemInfo", &prcidsi) <= 0) {
+	pcidsi->Registry.data = 0, pcidsi->Registry.size = 0;
+	pcidsi->Ordering.data = 0, pcidsi->Ordering.size = 0;
+	pcidsi->Supplement = 0;
+	return 1;
+    }
+    if (!r_has_type(prcidsi, t_dictionary))
+	return_error(e_typecheck);
+    if (dict_find_string(prcidsi, "Registry", &pregistry) <= 0 ||
+	dict_find_string(prcidsi, "Ordering", &pordering) <= 0
+	)
+	return_error(e_rangecheck);
+    check_read_type_only(*pregistry, t_string);
+    check_read_type_only(*pordering, t_string);
+    pcidsi->Registry.data = pregistry->value.const_bytes;
+    pcidsi->Registry.size = r_size(pregistry);
+    pcidsi->Ordering.data = pordering->value.const_bytes;
+    pcidsi->Ordering.size = r_size(pordering);
+    return dict_int_param(prcidsi, "Supplement", 0, max_int, -1,
+			  &pcidsi->Supplement);
+}
+
+/* Check compatibility of CIDSystemInfo. */
+private bool
+bytes_eq(const gs_const_string *pcs1, const gs_const_string *pcs2)
+{
+    return !bytes_compare(pcs1->data, pcs1->size,
+			  pcs2->data, pcs2->size);
+}
+private bool
+cid_system_info_compatible(const gs_cid_system_info * psi1,
+			   const gs_cid_system_info * psi2)
+{
+    return bytes_eq(&psi1->Registry, &psi2->Registry) &&
+	bytes_eq(&psi1->Ordering, &psi2->Ordering);
+}
+
+/* ---------------- (Semi-)public procedures ---------------- */
+
+/* Get the CodeMap from a Type 0 font, and check the CIDSystemInfo of */
+/* its subsidiary fonts. */
+int
+ztype0_get_cmap(const gs_cmap ** ppcmap, const ref * pfdepvector, const ref * op)
+{
+    ref *prcmap;
+    ref *pcodemap;
+    const gs_cmap *pcmap;
+    int code;
+    ref rfdep;
+    gs_cid_system_info cidsi;
+
+    if (dict_find_string(op, "CMap", &prcmap) <= 0 ||
+	!r_has_type(prcmap, t_dictionary) ||
+	dict_find_string(prcmap, "CodeMap", &pcodemap) <= 0 ||
+	!r_has_stype(pcodemap, imemory, st_cmap)
+	)
+	return_error(e_invalidfont);
+    pcmap = r_ptr(pcodemap, gs_cmap);
+    /* Currently we only handle 1-element fonts. */
+    if (r_size(pfdepvector) != 1)
+	return_error(e_rangecheck);
+    array_get(pfdepvector, 0L, &rfdep);
+    code = acquire_cid_system_info(&cidsi, &rfdep);
+    if (code < 0)
+	return code;
+    if (code == 0 &&
+	!cid_system_info_compatible(&cidsi, &pcmap->CIDSystemInfo)
+	)
+	return_error(e_rangecheck);
+    *ppcmap = pcmap;
+    return 0;
+}
+
+/* ---------------- Operators ---------------- */
+
+/* <CMap> .buildcmap <CMap> */
+/*
+ * Create the internal form of a CMap.  The initial CMap must be read-write
+ * and have an entry with key = CodeMap and value = null; the result is
+ * read-only and has a real CodeMap.
+ */
+private int
+zbuildcmap(os_ptr op)
+{
+    int code;
+    ref *pcodemaps;
+    ref *pcodemap;
+    gs_cmap *pcmap;
+    ref rdef, rnotdef, rcmap;
+
+    check_type(*op, t_dictionary);
+    check_dict_write(*op);
+    pcmap = ialloc_struct(gs_cmap, &st_cmap, "zbuildcmap(cmap)");
+    if (pcmap == 0) {
+	code = gs_note_error(e_VMerror);
+	goto fail;
+    }
+    if ((code = dict_uid_param(op, &pcmap->uid, 0, imemory)) < 0 ||
+	(code = dict_int_param(op, "WMode", 0, 1, 0, &pcmap->WMode)) < 0
+	)
+	goto fail;
+    if (dict_find_string(op, ".CodeMaps", &pcodemaps) <= 0 ||
+	!r_has_type(pcodemaps, t_array) ||
+	r_size(pcodemaps) != 2 ||
+	dict_find_string(op, "CodeMap", &pcodemap) <= 0 ||
+	!r_has_type(pcodemap, t_null)
+	) {
+	code = gs_note_error(e_rangecheck);
+	goto fail;
+    }
+    if ((code = acquire_cid_system_info(&pcmap->CIDSystemInfo, op)) < 0 ||
+	(array_get(pcodemaps, 0L, &rdef),
+    (code = acquire_code_map(&pcmap->def, &rdef, 0, pcmap, imemory)) < 0) ||
+	(array_get(pcodemaps, 1L, &rnotdef),
+	 (code = acquire_code_map(&pcmap->notdef, &rnotdef, 0, pcmap, imemory)) < 0)
+	)
+	goto fail;
+    pcmap->mark_glyph = zfont_mark_glyph_name;
+    pcmap->mark_glyph_data = 0;
+    make_istruct_new(&rcmap, a_readonly, pcmap);
+    code = dict_put_string(op, "CodeMap", &rcmap);
+    if (code < 0)
+	goto fail;
+    return zreadonly(op);
+fail:
+    ifree_object(pcmap, "zbuildcmap(cmap)");
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfcmap_op_defs[] =
+{
+    {"1.buildcmap", zbuildcmap},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfdctd.c b/pstoraster/zfdctd.c
new file mode 100644
index 000000000..aaefd68c9
--- /dev/null
+++ b/pstoraster/zfdctd.c
@@ -0,0 +1,110 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+
+/*$Id$ */
+/* DCTDecode filter creation */
+#include "memory_.h"
+#include "stdio_.h"		/* for jpeglib.h */
+#include "jpeglib.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+#include "ialloc.h"
+#include "ifilter.h"
+#include "iparam.h"
+
+/* Import the parameter processing procedure from sddparam.c */
+stream_state_proc_put_params(s_DCTD_put_params, stream_DCT_state);
+
+/* <source> <dict> DCTDecode/filter <file> */
+/* <source> DCTDecode/filter <file> */
+private int
+zDCTD(os_ptr op)
+{
+    gs_memory_t *mem = &gs_memory_default;
+    stream_DCT_state state;
+    dict_param_list list;
+    jpeg_decompress_data *jddp;
+    int code;
+    int npop;
+    const ref *dop;
+    uint dspace;
+
+    /* First allocate space for IJG parameters. */
+    jddp = (jpeg_decompress_data *)
+	gs_alloc_bytes_immovable(mem, sizeof(*jddp), "zDCTD");
+    if (jddp == 0)
+	return_error(e_VMerror);
+    if (s_DCTD_template.set_defaults)
+	(*s_DCTD_template.set_defaults) ((stream_state *) & state);
+    state.data.decompress = jddp;
+    jddp->memory = state.jpeg_memory = mem;	/* set now for allocation */
+    jddp->scanline_buffer = NULL;	/* set this early for safe error exit */
+    state.report_error = filter_report_error;	/* in case create fails */
+    if ((code = gs_jpeg_create_decompress(&state)) < 0)
+	goto fail;		/* correct to do jpeg_destroy here */
+    /* Read parameters from dictionary */
+    if (r_has_type(op, t_dictionary))
+	npop = 1, dop = op, dspace = r_space(op);
+    else
+	npop = 0, dop = 0, dspace = 0;
+    if ((code = dict_param_list_read(&list, dop, NULL, false)) < 0)
+	goto fail;
+    if ((code = s_DCTD_put_params((gs_param_list *) & list, &state)) < 0)
+	goto rel;
+    /* Create the filter. */
+    jddp->template = s_DCTD_template;
+    code = filter_read(op, npop, &jddp->template,
+		       (stream_state *) & state, dspace);
+    if (code >= 0)		/* Success! */
+	return code;
+    /*
+     * We assume that if filter_read fails, the stream has not been
+     * registered for closing, so s_DCTD_release will never be called.
+     * Therefore we free the allocated memory before failing.
+     */
+rel:
+    iparam_list_release(&list);
+fail:
+    gs_jpeg_destroy(&state);
+    gs_free_object(mem, jddp, "zDCTD fail");
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfdctd_op_defs[] =
+{
+    op_def_begin_filter(),
+    {"2DCTDecode", zDCTD},
+    op_def_end(0)
+};
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/zfdcte.c b/pstoraster/zfdcte.c
new file mode 100644
index 000000000..a3084c0b0
--- /dev/null
+++ b/pstoraster/zfdcte.c
@@ -0,0 +1,157 @@
+/*
+  Copyright 1993-2002 by Easy Software Products.
+  Copyright 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBJPEG
+
+/*$Id$ */
+/* DCTEncode filter creation */
+#include "memory_.h"
+#include "stdio_.h"		/* for jpeglib.h */
+#include "jpeglib.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "strimpl.h"
+#include "sdct.h"
+#include "sjpeg.h"
+#include "ifilter.h"
+#include "iparam.h"
+
+/*#define TEST*/
+
+/* Import the parameter processing procedure from sdeparam.c */
+stream_state_proc_put_params(s_DCTE_put_params, stream_DCT_state);
+#ifdef TEST
+stream_state_proc_get_params(s_DCTE_get_params, stream_DCT_state);
+#endif
+
+/* <target> <dict> DCTEncode/filter <file> */
+private int
+zDCTE(os_ptr op)
+{
+    gs_memory_t *mem = &gs_memory_default;
+    stream_DCT_state state;
+    dict_param_list list;
+    jpeg_compress_data *jcdp;
+    int code;
+    int npop;
+    const ref *dop;
+    uint dspace;
+
+    /* First allocate space for IJG parameters. */
+    jcdp = (jpeg_compress_data *)
+	gs_alloc_bytes_immovable(mem, sizeof(*jcdp), "zDCTE");
+    if (jcdp == 0)
+	return_error(e_VMerror);
+    if (s_DCTE_template.set_defaults)
+	(*s_DCTE_template.set_defaults) ((stream_state *) & state);
+    state.data.compress = jcdp;
+    jcdp->memory = state.jpeg_memory = mem;	/* set now for allocation */
+    state.report_error = filter_report_error;	/* in case create fails */
+    if ((code = gs_jpeg_create_compress(&state)) < 0)
+	goto fail;		/* correct to do jpeg_destroy here */
+    /* Read parameters from dictionary */
+    if (r_has_type(op, t_dictionary))
+	npop = 1, dop = op, dspace = r_space(op);
+    else
+	npop = 0, dop = 0, dspace = 0;
+    if ((code = dict_param_list_read(&list, dop, NULL, false)) < 0)
+	goto fail;
+    if ((code = s_DCTE_put_params((gs_param_list *) & list, &state)) < 0)
+	goto rel;
+    /* Create the filter. */
+    jcdp->template = s_DCTE_template;
+    /* Make sure we get at least a full scan line of input. */
+    state.scan_line_size = jcdp->cinfo.input_components *
+	jcdp->cinfo.image_width;
+    jcdp->template.min_in_size =
+	max(s_DCTE_template.min_in_size, state.scan_line_size);
+    /* Make sure we can write the user markers in a single go. */
+    jcdp->template.min_out_size =
+	max(s_DCTE_template.min_out_size, state.Markers.size);
+    code = filter_write(op, npop, &jcdp->template,
+			(stream_state *) & state, dspace);
+    if (code >= 0)		/* Success! */
+	return code;
+    /* We assume that if filter_write fails, the stream has not been
+     * registered for closing, so s_DCTE_release will never be called.
+     * Therefore we free the allocated memory before failing.
+     */
+rel:
+    iparam_list_release(&list);
+fail:
+    gs_jpeg_destroy(&state);
+    gs_free_object(mem, jcdp, "zDCTE fail");
+    return code;
+}
+
+#ifdef TEST
+#include "stream.h"
+#include "files.h"
+/* <dict> <filter> <bool> .dcteparams <dict> */
+private int
+zdcteparams(os_ptr op)
+{
+    stream *s;
+    dict_param_list list;
+    int code;
+
+    check_type(*op, t_boolean);
+    check_write_file(s, op - 1);
+    check_type(op[-2], t_dictionary);
+    /* The DCT filters copy the template.... */
+    if (s->state->template->process != s_DCTE_template.process)
+	return_error(e_rangecheck);
+    code = dict_param_list_write(&list, op - 2, NULL);
+    if (code < 0)
+	return code;
+    code = s_DCTE_get_params((gs_param_list *) & list,
+			     (stream_DCT_state *) s->state,
+			     op->value.boolval);
+    iparam_list_release(&list);
+    if (code >= 0)
+	pop(2);
+    return code;
+}
+#endif
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfdcte_op_defs[] =
+{
+#ifdef TEST
+    {"3.dcteparams", zdcteparams},
+#endif
+    op_def_begin_filter(),
+    {"2DCTEncode", zDCTE},
+    op_def_end(0)
+};
+
+#endif /* HAVE_LIBJPEG */
diff --git a/pstoraster/zfdecode.c b/pstoraster/zfdecode.c
new file mode 100644
index 000000000..5baed631c
--- /dev/null
+++ b/pstoraster/zfdecode.c
@@ -0,0 +1,363 @@
+/* Copyright (C) 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Additional decoding filter creation */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsparam.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ilevel.h"		/* for LL3 test */
+#include "iparam.h"
+#include "store.h"
+#include "stream.h"		/* for setting is_temp */
+#include "strimpl.h"
+#include "sfilter.h"
+#include "sa85x.h"
+#include "scfx.h"
+#include "scf.h"
+#include "slzwx.h"
+#include "spdiffx.h"
+#include "spngpx.h"
+#include "ifilter.h"
+
+/* Import the Level 2 scanner extensions. */
+extern const stream_template *scan_ascii85_template;
+
+/* Initialize the Level 2 scanner for ASCII85 strings. */
+private void
+zfdecode_init(void)
+{
+    scan_ascii85_template = &s_A85D_template;
+}
+
+/* ------ ASCII85 filters ------ */
+
+/* We include both encoding and decoding filters here, */
+/* because it would be a nuisance to separate them. */
+
+/* <target> ASCII85Encode/filter <file> */
+/* <target> <dict> ASCII85Encode/filter <file> */
+private int
+zA85E(os_ptr op)
+{
+    return filter_write_simple(op, &s_A85E_template);
+}
+
+/* <source> ASCII85Decode/filter <file> */
+/* <source> <dict> ASCII85Decode/filter <file> */
+private int
+zA85D(os_ptr op)
+{
+    return filter_read_simple(op, &s_A85D_template);
+}
+
+/* ------ CCITTFaxDecode filter ------ */
+
+/* Common setup for encoding and decoding filters. */
+extern stream_state_proc_put_params(s_CF_put_params, stream_CF_state);
+int
+zcf_setup(os_ptr op, stream_CF_state * pcfs)
+{
+    dict_param_list list;
+    int code = dict_param_list_read(&list, op, NULL, false);
+
+    if (code < 0)
+	return code;
+    s_CF_set_defaults_inline(pcfs);
+    code = s_CF_put_params((gs_param_list *) & list, pcfs);
+    iparam_list_release(&list);
+    return code;
+}
+
+/* <source> <dict> CCITTFaxDecode/filter <file> */
+/* <source> CCITTFaxDecode/filter <file> */
+private int
+zCFD(os_ptr op)
+{
+    os_ptr dop;
+    stream_CFD_state cfs;
+    int code;
+
+    if (r_has_type(op, t_dictionary)) {
+	check_dict_read(*op);
+	dop = op;
+    } else
+	dop = 0;
+    code = zcf_setup(dop, (stream_CF_state *) & cfs);
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_CFD_template, (stream_state *) & cfs, 0);
+}
+
+/* ------ Common setup for possibly pixel-oriented decoding filters ------ */
+
+/* Forward declarations */
+int zpd_setup(P2(os_ptr op, stream_PDiff_state * ppds));
+int zpp_setup(P2(os_ptr op, stream_PNGP_state * ppps));
+
+int
+filter_read_predictor(os_ptr op, int npop, const stream_template * template,
+		      stream_state * st)
+{
+    int predictor, code;
+    stream_PDiff_state pds;
+    stream_PNGP_state pps;
+
+    if (r_has_type(op, t_dictionary)) {
+	if ((code = dict_int_param(op, "Predictor", 0, 15, 1, &predictor)) < 0)
+	    return code;
+	switch (predictor) {
+	    case 0:		/* identity */
+		predictor = 1;
+	    case 1:		/* identity */
+		break;
+	    case 2:		/* componentwise horizontal differencing */
+		code = zpd_setup(op, &pds);
+		break;
+	    case 10:
+	    case 11:
+	    case 12:
+	    case 13:
+	    case 14:
+	    case 15:
+		/* PNG prediction */
+		code = zpp_setup(op, &pps);
+		break;
+	    default:
+		return_error(e_rangecheck);
+	}
+	if (code < 0)
+	    return code;
+    } else
+	predictor = 1;
+    if (predictor == 1)
+	return filter_read(op, npop, template, st, 0);
+    {
+	/* We need to cascade filters. */
+	ref rsource, rdict, rfd;
+	int code;
+
+	/* Save the operands, just in case. */
+	ref_assign(&rsource, op - 1);
+	ref_assign(&rdict, op);
+	code = filter_read(op, 1, template, st, 0);
+	if (code < 0)
+	    return code;
+	/* filter_read changed osp.... */
+	op = osp;
+	ref_assign(&rfd, op);
+	code =
+	    (predictor == 2 ?
+	 filter_read(op, 0, &s_PDiffD_template, (stream_state *) & pds, 0) :
+	  filter_read(op, 0, &s_PNGPD_template, (stream_state *) & pps, 0));
+	if (code < 0) {
+	    /* Restore the operands.  Don't bother trying to clean up */
+	    /* the first stream. */
+	    osp = ++op;
+	    ref_assign(op - 1, &rsource);
+	    ref_assign(op, &rdict);
+	    return code;
+	}
+	filter_mark_temp(&rfd, 2);	/* Mark the decompression stream as temporary. */
+	return code;
+    }
+}
+
+/* ------ Generalized LZW/GIF decoding filter ------ */
+
+/* Common setup for encoding and decoding filters. */
+int
+zlz_setup(os_ptr op, stream_LZW_state * plzs)
+{
+    int code;
+    const ref *dop;
+
+    if (r_has_type(op, t_dictionary)) {
+	check_dict_read(*op);
+	dop = op;
+    } else
+	dop = 0;
+    if (   (code = dict_int_param(dop, "EarlyChange", 0, 1, 1,
+				  &plzs->EarlyChange)) < 0 ||
+	   /*
+	    * The following are not PostScript standard, although
+	    * LanguageLevel 3 provides the first two under different
+	    * names.
+	    */
+	   (code = dict_int_param(dop, "InitialCodeLength", 2, 11, 8,
+				  &plzs->InitialCodeLength)) < 0 ||
+	   (code = dict_bool_param(dop, "FirstBitLowOrder", false,
+				   &plzs->FirstBitLowOrder)) < 0 ||
+	   (code = dict_bool_param(dop, "BlockData", false,
+				   &plzs->BlockData)) < 0
+	)
+	return code;
+    return 0;
+}
+
+/* <source> LZWDecode/filter <file> */
+/* <source> <dict> LZWDecode/filter <file> */
+private int
+zLZWD(os_ptr op)
+{
+    stream_LZW_state lzs;
+    int code = zlz_setup(op, &lzs);
+
+    if (code < 0)
+	return code;
+    if (LL3_ENABLED && r_has_type(op, t_dictionary)) {
+	int unit_size;
+
+	if ((code = dict_bool_param(op, "LowBitFirst", lzs.FirstBitLowOrder,
+				    &lzs.FirstBitLowOrder)) < 0 ||
+	    (code = dict_int_param(op, "UnitSize", 3, 8, 8,
+				   &unit_size)) < 0
+	    )
+	    return code;
+	if (code == 0 /* UnitSize specified */ )
+	    lzs.InitialCodeLength = unit_size + 1;
+    }
+    return filter_read_predictor(op, 0, &s_LZWD_template,
+				 (stream_state *) & lzs);
+}
+
+/* ------ Color differencing filters ------ */
+
+/* We include both encoding and decoding filters here, */
+/* because it would be a nuisance to separate them. */
+
+/* Common setup for encoding and decoding filters. */
+int
+zpd_setup(os_ptr op, stream_PDiff_state * ppds)
+{
+    int code, bpc;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_int_param(op, "Colors", 1, 4, 1,
+			       &ppds->Colors)) < 0 ||
+	(code = dict_int_param(op, "BitsPerComponent", 1, 8, 8,
+			       &bpc)) < 0 ||
+	(bpc & (bpc - 1)) != 0 ||
+	(code = dict_int_param(op, "Columns", 1, max_int, 1,
+			       &ppds->Columns)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    ppds->BitsPerComponent = bpc;
+    return 0;
+}
+
+/* <target> <dict> PixelDifferenceEncode/filter <file> */
+private int
+zPDiffE(os_ptr op)
+{
+    stream_PDiff_state pds;
+    int code = zpd_setup(op, &pds);
+
+    if (code < 0)
+	return code;
+    return filter_write(op, 0, &s_PDiffE_template, (stream_state *) & pds, 0);
+}
+
+/* <source> <dict> PixelDifferenceDecode/filter <file> */
+private int
+zPDiffD(os_ptr op)
+{
+    stream_PDiff_state pds;
+    int code = zpd_setup(op, &pds);
+
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_PDiffD_template, (stream_state *) & pds, 0);
+}
+
+/* ------ PNG pixel predictor filters ------ */
+
+/* Common setup for encoding and decoding filters. */
+int
+zpp_setup(os_ptr op, stream_PNGP_state * ppps)
+{
+    int code, bpc;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_int_param(op, "Colors", 1, 16, 1,
+			       &ppps->Colors)) < 0 ||
+	(code = dict_int_param(op, "BitsPerComponent", 1, 16, 8,
+			       &bpc)) < 0 ||
+	(bpc & (bpc - 1)) != 0 ||
+	(code = dict_uint_param(op, "Columns", 1, max_uint, 1,
+				&ppps->Columns)) < 0 ||
+	(code = dict_int_param(op, "Predictor", 10, 15, 15,
+			       &ppps->Predictor)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    ppps->BitsPerComponent = bpc;
+    return 0;
+}
+
+/* <target> <dict> PNGPredictorEncode/filter <file> */
+private int
+zPNGPE(os_ptr op)
+{
+    stream_PNGP_state pps;
+    int code = zpp_setup(op, &pps);
+
+    if (code < 0)
+	return code;
+    return filter_write(op, 0, &s_PNGPE_template, (stream_state *) & pps, 0);
+}
+
+/* <source> <dict> PNGPredictorDecode/filter <file> */
+private int
+zPNGPD(os_ptr op)
+{
+    stream_PNGP_state pps;
+    int code = zpp_setup(op, &pps);
+
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_PNGPD_template, (stream_state *) & pps, 0);
+}
+
+/* ---------------- Initialization procedure ---------------- */
+
+const op_def zfdecode_op_defs[] =
+{
+    op_def_begin_filter(),
+    {"1ASCII85Encode", zA85E},
+    {"1ASCII85Decode", zA85D},
+    {"2CCITTFaxDecode", zCFD},
+    {"1LZWDecode", zLZWD},
+    {"2PixelDifferenceDecode", zPDiffD},
+    {"2PixelDifferenceEncode", zPDiffE},
+    {"2PNGPredictorDecode", zPNGPD},
+    {"2PNGPredictorEncode", zPNGPE},
+    op_def_end(zfdecode_init)
+};
diff --git a/pstoraster/zfile.c b/pstoraster/zfile.c
new file mode 100644
index 000000000..640d59a00
--- /dev/null
+++ b/pstoraster/zfile.c
@@ -0,0 +1,915 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Non-I/O file operators */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "gscdefs.h"		/* for gx_io_device_table */
+#include "gp.h"
+#include "gsstruct.h"		/* for registering root */
+#include "gxalloc.h"		/* for streams */
+#include "oper.h"
+#include "estack.h"		/* for filenameforall, .execfile */
+#include "ialloc.h"
+#include "ilevel.h"		/* %names only work in Level 2 */
+#include "interp.h"		/* gs_errorinfo_put_string prototype */
+#include "isave.h"		/* for restore */
+#include "iutil.h"
+#include "stream.h"
+#include "strimpl.h"
+#include "sfilter.h"
+#include "gxiodev.h"		/* must come after stream.h */
+					/* and before files.h */
+#include "files.h"		/* ditto */
+#include "fname.h"		/* ditto */
+#include "main.h"		/* for gs_lib_paths */
+#include "store.h"
+
+/* Import the file_open routine for %os%, which is the default. */
+extern iodev_proc_open_file(iodev_os_open_file);
+
+/* Import the IODevice table. */
+extern_gx_io_device_table();
+
+/* Forward references: file opening. */
+int file_open(P6(const byte *, uint, const char *, uint, ref *, stream **));
+
+/* Forward references: other. */
+private int execfile_finish(P1(os_ptr));
+private int execfile_cleanup(P1(os_ptr));
+
+/*
+ * Since there can be many file objects referring to the same file/stream,
+ * we can't simply free a stream when we close it.  On the other hand,
+ * we don't want freed streams to clutter up memory needlessly.
+ * Our solution is to retain the freed streams, and reuse them.
+ * To prevent an old file object from being able to access a reused stream,
+ * we keep a serial number in each stream, and check it against a serial
+ * number stored in the file object (as the "size"); when we close a file,
+ * we increment its serial number.  If the serial number ever overflows,
+ * we leave it at zero, and do not reuse the stream.
+ * (This will never happen.)
+ *
+ * Storage management for this scheme is a little tricky.  We maintain an
+ * invariant that says that a stream opened at a given save level always
+ * uses a stream structure allocated at that level.  By doing this, we don't
+ * need to keep track separately of streams open at a level vs. streams
+ * allocated at a level.  To make this interact properly with save and
+ * restore, we maintain a list of all streams allocated at this level, both
+ * open and closed.  We store this list in the allocator: this is a hack,
+ * but it simplifies bookkeeping (in particular, it guarantees the list is
+ * restored properly by a restore).
+ *
+ * We want to close streams freed by restore and by garbage collection.  We
+ * use the finalization procedure for this.  For restore, we don't have to
+ * do anything special to make this happen.  For garbage collection, we do
+ * something more drastic: we simply clear the list of known streams (at all
+ * save levels).  Any streams open at the time of garbage collection will no
+ * longer participate in the list of known streams, but this does no harm;
+ * it simply means that they won't get reused, and can only be reclaimed by
+ * a future garbage collection or restore.
+ */
+
+/* 
+ * Define the default stream buffer sizes.  For file streams,
+ * this is arbitrary, since the C library or operating system
+ * does its own buffering in addition.
+ * However, the buffer size for eexec decoding is NOT arbitrary:
+ * it must be at most 512.
+ */
+#define DEFAULT_BUFFER_SIZE 512
+const uint file_default_buffer_size = DEFAULT_BUFFER_SIZE;
+
+/* An invalid file object */
+stream *invalid_file_entry;	/* exported for zfileio.c */
+
+/* Initialize the file table */
+private void
+zfile_init(void)
+{
+    /* Create and initialize an invalid (closed) stream. */
+    /* Initialize the stream for the sake of the GC, */
+    /* and so it can act as an empty input stream. */
+
+    stream *s = s_alloc(imemory_system, "zfile_init");
+
+    sread_string(s, NULL, 0);
+    s->next = s->prev = 0;
+    s_init_no_id(s);
+    invalid_file_entry = s;
+    gs_register_struct_root(imemory, NULL, (void **)&invalid_file_entry,
+			    "invalid_file_entry");
+}
+
+/* Make an invalid file object. */
+void
+make_invalid_file(ref * fp)
+{
+    make_file(fp, avm_system, ~0, invalid_file_entry);
+}
+
+/* <name_string> <access_string> file <file> */
+int
+zfile(register os_ptr op)
+{
+    char file_access[3];
+    parsed_file_name pname;
+    const byte *astr;
+    int code;
+    stream *s;
+
+    check_read_type(*op, t_string);
+    astr = op->value.const_bytes;
+    switch (r_size(op)) {
+	case 2:
+	    if (astr[1] != '+')
+		return_error(e_invalidfileaccess);
+	    file_access[1] = '+';
+	    file_access[2] = 0;
+	    break;
+	case 1:
+	    file_access[1] = 0;
+	    break;
+	default:
+	    return_error(e_invalidfileaccess);
+    }
+    switch (astr[0]) {
+	case 'r':
+	case 'w':
+	case 'a':
+	    break;
+	default:
+	    return_error(e_invalidfileaccess);
+    }
+    file_access[0] = astr[0];
+    code = parse_file_name(op - 1, &pname);
+    if (code < 0)
+	return code;
+    if (pname.iodev == NULL)
+	pname.iodev = iodev_default;
+    if (pname.fname == NULL)	/* just a device */
+	code = (*pname.iodev->procs.open_device)(pname.iodev,
+						 file_access, &s, imemory);
+    else {			/* file */
+	iodev_proc_open_file((*open_file)) =
+	    pname.iodev->procs.open_file;
+	if (open_file == 0)
+	    open_file = iodev_os_open_file;
+	code = (*open_file)(pname.iodev, pname.fname, pname.len,
+			    file_access, &s, imemory);
+    }
+    if (code < 0)
+	return code;
+    make_stream_file(op - 1, s, file_access);
+    pop(1);
+    return code;
+}
+
+/* ------ Level 2 extensions ------ */
+
+/* <string> deletefile - */
+private int
+zdeletefile(register os_ptr op)
+{
+    parsed_file_name pname;
+    int code = parse_real_file_name(op, &pname, "deletefile");
+
+    if (code < 0)
+	return code;
+    code = (*pname.iodev->procs.delete_file)(pname.iodev, pname.fname);
+    free_file_name(&pname, "deletefile");
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <template> <proc> <scratch> filenameforall - */
+/****** NOT CONVERTED FOR IODEVICES YET ******/
+private int file_continue(P1(os_ptr));
+private int file_cleanup(P1(os_ptr));
+private int
+zfilenameforall(register os_ptr op)
+{
+    file_enum *pfen;
+    int code;
+
+    check_write_type(*op, t_string);
+    check_proc(op[-1]);
+    check_read_type(op[-2], t_string);
+    /* Push a mark, the pattern, the scratch string, the enumerator, */
+    /* and the procedure, and invoke the continuation. */
+    check_estack(7);
+    pfen = gp_enumerate_files_init((char *)op[-2].value.bytes, r_size(op - 2), imemory);
+    if (pfen == 0)
+	return_error(e_VMerror);
+    push_mark_estack(es_for, file_cleanup);
+    *++esp = op[-2];
+    *++esp = *op;
+    ++esp;
+    make_istruct(esp, 0, pfen);
+    *++esp = op[-1];
+    pop(3);
+    op -= 3;
+    code = file_continue(op);
+    return (code == o_pop_estack ? o_push_estack : code);
+}
+/* Continuation operator for enumerating files */
+private int
+file_continue(register os_ptr op)
+{
+    es_ptr pscratch = esp - 2;
+    file_enum *pfen = r_ptr(esp - 1, file_enum);
+    uint len = r_size(pscratch);
+    uint code =
+    gp_enumerate_files_next(pfen, (char *)pscratch->value.bytes, len);
+
+    if (code == ~(uint) 0) {	/* all done */
+	esp -= 4;		/* pop proc, pfen, scratch, mark */
+	return o_pop_estack;
+    } else if (code > len)	/* overran string */
+	return_error(e_rangecheck);
+    else {
+	push(1);
+	ref_assign(op, pscratch);
+	r_set_size(op, code);
+	push_op_estack(file_continue);	/* come again */
+	*++esp = pscratch[2];	/* proc */
+	return o_push_estack;
+    }
+}
+/* Cleanup procedure for enumerating files */
+private int
+file_cleanup(os_ptr op)
+{
+    gp_enumerate_files_close(r_ptr(esp + 4, file_enum));
+    return 0;
+}
+
+/* <string1> <string2> renamefile - */
+private int
+zrenamefile(register os_ptr op)
+{
+    parsed_file_name pname1, pname2;
+    int code = parse_real_file_name(op - 1, &pname1, "renamefile(from)");
+
+    if (code < 0)
+	return code;
+    pname2.fname = 0;
+    code = parse_real_file_name(op, &pname2, "renamefile(to)");
+    if (code < 0 || pname1.iodev != pname2.iodev ||
+	(code = (*pname1.iodev->procs.rename_file)(pname1.iodev,
+					    pname1.fname, pname2.fname)) < 0
+	) {
+	if (code >= 0)
+	    code = gs_note_error(e_invalidfileaccess);
+    }
+    free_file_name(&pname2, "renamefile(to)");
+    free_file_name(&pname1, "renamefile(from)");
+    if (code < 0)
+	return code;
+    pop(2);
+    return 0;
+}
+
+/* <file> status <open_bool> */
+/* <string> status <pages> <bytes> <ref_time> <creation_time> true */
+/* <string> status false */
+private int
+zstatus(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_file:
+	    {
+		stream *s;
+
+		make_bool(op, (file_is_valid(s, op) ? 1 : 0));
+	    }
+	    return 0;
+	case t_string:
+	    {
+		parsed_file_name pname;
+		struct stat fstat;
+		int code = parse_file_name(op, &pname);
+
+		if (code < 0)
+		    return code;
+		code = terminate_file_name(&pname, "status");
+		if (code < 0)
+		    return code;
+		code = (*pname.iodev->procs.file_status)(pname.iodev,
+						       pname.fname, &fstat);
+		switch (code) {
+		    case 0:
+			check_ostack(4);
+			/*
+			 * Check to make sure that the file size fits into
+			 * a PostScript integer.  (On some systems, long is
+			 * 32 bits, but file sizes are 64 bits.)
+			 */
+			push(4);
+			make_int(op - 4, stat_blocks(&fstat));
+			make_int(op - 3, fstat.st_size);
+			/*
+			 * We can't check the value simply by using ==,
+			 * because signed/unsigned == does the wrong thing.
+			 * Instead, since integer assignment only keeps the
+			 * bottom bits, we convert the values to double
+			 * and then test for equality.  This handles all
+			 * cases of signed/unsigned or width mismatch.
+			 */
+			if ((double)op[-4].value.intval !=
+			      (double)stat_blocks(&fstat) ||
+			    (double)op[-3].value.intval !=
+			      (double)fstat.st_size
+			    )
+			    return_error(e_limitcheck);
+			make_int(op - 2, fstat.st_mtime);
+			make_int(op - 1, fstat.st_ctime);
+			make_bool(op, 1);
+			break;
+		    case e_undefinedfilename:
+			make_bool(op, 0);
+			code = 0;
+		}
+		free_file_name(&pname, "status");
+		return code;
+	    }
+	default:
+	    return_op_typecheck(op);
+    }
+}
+
+/* ------ Non-standard extensions ------ */
+
+/* <executable_file> .execfile - */
+private int
+zexecfile(register os_ptr op)
+{
+    check_type_access(*op, t_file, a_executable | a_read | a_execute);
+    check_estack(4);		/* cleanup, file, finish, file */
+    push_mark_estack(es_other, execfile_cleanup);
+    *++esp = *op;
+    push_op_estack(execfile_finish);
+    return zexec(op);
+}
+/* Finish normally. */
+private int
+execfile_finish(os_ptr op)
+{
+    check_ostack(1);
+    esp -= 2;
+    execfile_cleanup(op);
+    return o_pop_estack;
+}
+/* Clean up by closing the file. */
+private int
+execfile_cleanup(os_ptr op)
+{
+    check_ostack(1);
+    *++osp = esp[2];
+    return zclosefile(osp);
+}
+
+/* <dir> <name> .filenamedirseparator <string> */
+int
+zfilenamedirseparator(os_ptr op)
+{
+    const char *sepr;
+
+    check_read_type(*op, t_string);
+    check_read_type(op[-1], t_string);
+    sepr =
+	gp_file_name_concat_string((const char *)op[-1].value.const_bytes,
+				   r_size(op - 1),
+				   (const char *)op->value.const_bytes,
+				   r_size(op));
+    make_const_string(op - 1, avm_foreign | a_readonly,
+		      strlen(sepr), (const byte *)sepr);
+    pop(1);
+    return 0;
+}
+
+/* - .filenamelistseparator <string> */
+int
+zfilenamelistseparator(os_ptr op)
+{
+    push(1);
+    make_const_string(op, avm_foreign | a_readonly, 1,
+		      (const byte *)&gp_file_name_list_separator);
+    return 0;
+}
+
+/* <name> .filenamesplit <dir> <base> <extension> */
+int
+zfilenamesplit(os_ptr op)
+{
+    check_read_type(*op, t_string);
+/****** NOT IMPLEMENTED YET ******/
+    return_error(e_undefined);
+}
+
+/* <string> findlibfile <found_string> <file> true */
+/* <string> findlibfile <string> false */
+int
+zfindlibfile(register os_ptr op)
+{
+    int code;
+
+#define MAX_CNAME 200
+    byte cname[MAX_CNAME];
+    uint clen;
+    parsed_file_name pname;
+    stream *s;
+
+    check_ostack(2);
+    code = parse_file_name(op, &pname);
+    if (code < 0)
+	return code;
+    if (pname.iodev == NULL)
+	pname.iodev = iodev_default;
+    if (pname.iodev != iodev_default) {		/* Non-OS devices don't have search paths (yet). */
+	code =
+	    (pname.fname == NULL ?
+	     (*pname.iodev->procs.open_device)(pname.iodev, "r",
+					       &s, imemory) :
+	     (*pname.iodev->procs.open_file)(pname.iodev,
+					     pname.fname, pname.len, "r",
+					     &s, imemory));
+	if (code < 0) {
+	    push(1);
+	    make_false(op);
+	    return 0;
+	}
+	make_stream_file(op + 1, s, "r");
+    } else {
+	byte *cstr;
+
+	code = lib_file_open(pname.fname, pname.len, cname, MAX_CNAME,
+			     &clen, op + 1);
+	if (code == e_VMerror)
+	    return code;
+	if (code < 0) {
+	    push(1);
+	    make_false(op);
+	    return 0;
+	}
+	cstr = ialloc_string(clen, "findlibfile");
+	if (cstr == 0)
+	    return_error(e_VMerror);
+	memcpy(cstr, cname, clen);
+	make_string(op, a_all | icurrent_space, clen, cstr);
+    }
+    push(2);
+    make_true(op);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfile_op_defs[] =
+{
+    {"1deletefile", zdeletefile},
+    {"1.execfile", zexecfile},
+    {"2file", zfile},
+    {"3filenameforall", zfilenameforall},
+    {"2.filenamedirseparator", zfilenamedirseparator},
+    {"0.filenamelistseparator", zfilenamelistseparator},
+    {"1.filenamesplit", zfilenamesplit},
+    {"1findlibfile", zfindlibfile},
+    {"2renamefile", zrenamefile},
+    {"1status", zstatus},
+		/* Internal operators */
+    {"0%file_continue", file_continue},
+    {"0%execfile_finish", execfile_finish},
+    op_def_end(zfile_init)
+};
+
+/* ------ Stream opening ------ */
+
+/* Make a t_file reference to a stream. */
+void
+make_stream_file(ref * pfile, stream * s, const char *access)
+{
+    uint attrs =
+	(access[1] == '+' ? a_write + a_read + a_execute : 0) |
+	imemory_space((gs_ref_memory_t *) s->memory);
+
+    if (access[0] == 'r') {
+	make_file(pfile, attrs | (a_read | a_execute), s->read_id, s);
+	s->write_id = 0;
+    } else {
+	make_file(pfile, attrs | a_write, s->write_id, s);
+	s->read_id = 0;
+    }
+}
+
+/* Open an OS-level file (like fopen), using the search paths if necessary. */
+/* Note that it does not automatically look in the current */
+/* directory first (or at all): this is like Unix, and unlike MS-DOS. */
+private int
+lib_file_fopen(gx_io_device * iodev, const char *bname,
+	       const char *ignore_access, FILE ** pfile,
+	       char *rfname, uint rnamelen)
+{
+    char fmode[3];		/* r, [b], null */
+    int len = strlen(bname);
+    const gs_file_path *pfpath = &gs_lib_path;
+    uint pi;
+
+    strcpy(fmode, "r");
+    strcat(fmode, gp_fmode_binary_suffix);
+    if (gp_file_name_is_absolute(bname, len))
+	return (*iodev->procs.fopen)(iodev, bname, fmode, pfile,
+				     rfname, rnamelen);
+    /* Go through the list of search paths */
+    for (pi = 0; pi < r_size(&pfpath->list); ++pi) {
+	const ref *prdir = pfpath->list.value.refs + pi;
+	const char *pstr = (const char *)prdir->value.const_bytes;
+	uint plen = r_size(prdir);
+	const char *cstr =
+	gp_file_name_concat_string(pstr, plen, bname, len);
+	int up, i;
+	int code;
+
+	/* Concatenate the prefix, combiner, and file name. */
+	/* Do this carefully in case rfname is the same */
+	/* as fname.  (We don't worry about the case */
+	/* where rfname only overlaps fname.) */
+	up = plen + strlen(cstr);
+	if (up + len + 1 > rnamelen)
+	    return_error(e_limitcheck);
+	for (i = len + 1; --i >= 0;)
+	    rfname[i + up] = bname[i];
+	memcpy(rfname, pstr, plen);
+	memcpy(rfname + plen, cstr, strlen(cstr));
+	code = (*iodev->procs.fopen)(iodev, rfname, fmode,
+				     pfile, rfname, rnamelen);
+	if (code >= 0)
+	    return code;
+	/* strcpy isn't guaranteed to work for overlapping */
+	/* source and destination, so: */
+	if (rfname == bname)
+	    for (i = 0; (rfname[i] = rfname[i + up]) != 0; i++);
+    }
+    return_error(e_undefinedfilename);
+}
+/* The startup code calls this to open @-files. */
+FILE *
+lib_fopen(const char *bname)
+{
+    FILE *file = NULL;
+    /* We need a buffer to hold the expanded file name. */
+    char buffer[gp_file_name_sizeof];
+    /* We can't count on the IODevice table to have been initialized yet. */
+    /* Allocate a copy of the default IODevice. */
+    gx_io_device iodev_default_copy;
+    int code;
+
+    iodev_default_copy = *gx_io_device_table[0];
+    code = lib_file_fopen(&iodev_default_copy, bname, "r", &file,
+			  buffer, gp_file_name_sizeof);
+    return (code < 0 ? NULL : file);
+}
+
+/* Open a file stream on an OS file and create a file object, */
+/* using the search paths. */
+/* The startup code calls this to open the initialization file gs_init.ps. */
+int
+lib_file_open(const char *fname, uint len, byte * cname, uint max_clen,
+	      uint * pclen, ref * pfile)
+{
+    stream *s;
+    int code = file_open_stream(fname, len, "r",
+				file_default_buffer_size, &s, lib_file_fopen);
+    char *bname;
+    uint blen;
+
+    if (code < 0)
+	return code;
+    /* Get the name from the stream buffer. */
+    bname = (char *)s->cbuf;
+    blen = strlen(bname);
+    if (blen > max_clen) {
+	sclose(s);
+	return_error(e_limitcheck);
+    }
+    memcpy(cname, bname, blen);
+    *pclen = blen;
+    make_stream_file(pfile, s, "r");
+    return 0;
+}
+
+/* Open a file stream that reads a string. */
+/* (This is currently used only by the ccinit feature.) */
+/* The string must be allocated in non-garbage-collectable (foreign) space. */
+int
+file_read_string(const byte * str, uint len, ref * pfile)
+{
+    stream *s = file_alloc_stream(imemory, "file_read_string");
+    int space;
+
+    if (s == 0)
+	return_error(e_VMerror);
+    space = icurrent_space;
+    sread_string(s, str, len);
+    s->foreign = 1;
+    s->write_id = 0;
+    make_file(pfile, a_readonly | space, s->read_id, s);
+    s->save_close = s->procs.close;
+    s->procs.close = file_close_disable;
+    return 0;
+}
+
+/* Open a file stream, optionally on an OS file. */
+/* Return 0 if successful, error code if not. */
+/* On a successful return, the C file name is in the stream buffer. */
+/* If fname==0, set up the file entry, stream, and buffer, */
+/* but don't open an OS file or initialize the stream. */
+int
+file_open_stream(const char *fname, uint len, const char *file_access,
+		 uint buffer_size, stream ** ps, iodev_proc_fopen_t fopen_proc)
+{
+    byte *buffer;
+    register stream *s;
+
+    if (buffer_size == 0)
+	buffer_size = file_default_buffer_size;
+    if (len >= buffer_size)    /* we copy the file name into the buffer */
+	return_error(e_limitcheck);
+    /* Allocate the stream first, since it persists */
+    /* even after the file has been closed. */
+    s = file_alloc_stream(imemory, "file_open_stream");
+    if (s == 0)
+	return_error(e_VMerror);
+    /* Allocate the buffer. */
+    buffer = ialloc_bytes(buffer_size, "file_open(buffer)");
+    if (buffer == 0)
+	return_error(e_VMerror);
+    if (fname != 0) {
+	/* Copy the name (so we can terminate it with a zero byte.) */
+	char *file_name = (char *)buffer;
+	char fmode[4];		/* r/w/a, [+], [b], null */
+	FILE *file;
+	int code;
+
+	memcpy(file_name, fname, len);
+	file_name[len] = 0;	/* terminate string */
+	/* Open the file, always in binary mode. */
+	strcpy(fmode, file_access);
+	strcat(fmode, gp_fmode_binary_suffix);
+	/****** iodev_default IS QUESTIONABLE ******/
+	code = (*fopen_proc)(iodev_default, file_name, fmode, &file,
+			     (char *)buffer, buffer_size);
+	if (code < 0) {
+	    ifree_object(buffer, "file_open(buffer)");
+	    return code;
+	}
+	/* Set up the stream. */
+	switch (fmode[0]) {
+	    case 'a':
+		sappend_file(s, file, buffer, buffer_size);
+		break;
+	    case 'r':
+		sread_file(s, file, buffer, buffer_size);
+		break;
+	    case 'w':
+		swrite_file(s, file, buffer, buffer_size);
+	}
+	if (fmode[1] == '+')
+	    s->file_modes |= s_mode_read | s_mode_write;
+	s->save_close = s->procs.close;
+	s->procs.close = file_close_file;
+    } else {			/* save the buffer and size */
+	s->cbuf = buffer;
+	s->bsize = s->cbsize = buffer_size;
+    }
+    *ps = s;
+    return 0;
+}
+
+/* Report an error by storing it in $error.errorinfo. */
+int
+filter_report_error(stream_state * st, const char *str)
+{
+    if_debug1('s', "[s]stream error: %s\n", str);
+    return gs_errorinfo_put_string(str);
+}
+
+/* Open a file stream for a filter. */
+int
+filter_open(const char *file_access, uint buffer_size, ref * pfile,
+	    const stream_procs * procs, const stream_template * template,
+	    const stream_state * st)
+{
+    stream *s;
+    uint ssize = gs_struct_type_size(template->stype);
+    stream_state *sst = 0;
+    int code;
+
+    if (template->stype != &st_stream_state) {
+	sst = s_alloc_state(imemory, template->stype,
+			    "filter_open(stream_state)");
+	if (sst == 0)
+	    return_error(e_VMerror);
+    }
+    code = file_open_stream((char *)0, 0, file_access,
+			    buffer_size, &s, (iodev_proc_fopen_t) 0);
+    if (code < 0) {
+	ifree_object(sst, "filter_open(stream_state)");
+	return code;
+    }
+    s_std_init(s, s->cbuf, s->bsize, procs,
+	       (*file_access == 'r' ? s_mode_read : s_mode_write));
+    s->procs.process = template->process;
+    s->save_close = s->procs.close;
+    s->procs.close = file_close_file;
+    if (sst == 0) {
+	/* This stream doesn't have any state of its own. */
+	/* Hack: use the stream itself as the state. */
+	sst = (stream_state *) s;
+    } else if (st != 0)		/* might not have client parameters */
+	memcpy(sst, st, ssize);
+    s->state = sst;
+    sst->template = template;
+    sst->memory = imemory;
+    sst->report_error = filter_report_error;
+    if (template->init != 0) {
+	code = (*template->init)(sst);
+	if (code < 0) {
+	    ifree_object(sst, "filter_open(stream_state)");
+	    ifree_object(s->cbuf, "filter_open(buffer)");
+	    return code;
+	}
+    }
+    make_stream_file(pfile, s, file_access);
+    return 0;
+}
+
+/* Allocate and return a file stream. */
+/* Return 0 if the allocation failed. */
+/* The stream is initialized to an invalid state, so the caller need not */
+/* worry about cleaning up if a later step in opening the stream fails. */
+stream *
+file_alloc_stream(gs_memory_t * mem, client_name_t cname)
+{
+    stream *s;
+    gs_ref_memory_t *imem = 0;
+
+    /*
+     * HACK: Figure out whether this is a gs_ref_memory_t we know
+     * about.  Avoiding this hack would require rippling a change
+     * from gs_memory_t to gs_ref_memory_t into the open_file and
+     * open_device procedures of gx_io_device, which in turn would
+     * impact other things we don't want to change.
+     */
+    {
+	int i;
+
+	for (i = 0; i < countof(gs_imemory.spaces.indexed); ++i)
+	    if (mem == (gs_memory_t *) gs_imemory.spaces.indexed[i]) {
+		imem = (gs_ref_memory_t *) mem;
+		break;
+	    }
+    }
+
+    if (imem) {
+	/* Look first for a free stream allocated at this level. */
+	s = imem->streams;
+	while (s != 0) {
+	    if (!s_is_valid(s) && s->read_id != 0 /* i.e. !overflowed */ ) {
+		s->is_temp = 0;	/* not a temp stream */
+		return s;
+	    }
+	    s = s->next;
+	}
+    }
+    s = s_alloc(mem, cname);
+    if (s == 0)
+	return 0;
+    s_init_ids(s);
+    s->is_temp = 0;		/* not a temp stream */
+    /*
+     * Disable the stream now (in case we can't open the file,
+     * or a filter init procedure fails) so that `restore' won't
+     * crash when it tries to close open files.
+     */
+    s_disable(s);
+    if (imem) {
+	/* Add s to the list of files. */
+	if (imem->streams != 0)
+	    imem->streams->prev = s;
+	s->next = imem->streams;
+	imem->streams = s;
+    } else {
+	s->next = 0;
+    }
+    s->prev = 0;
+    return s;
+}
+
+/* ------ Stream closing ------ */
+
+/*
+ * Finish closing a file stream.  This used to check whether it was
+ * currentfile, but we don't have to do this any longer.  This replaces the
+ * close procedure for the std* streams, which cannot actually be closed.
+ *
+ * This is exported for ziodev.c.  */
+int
+file_close_finish(stream * s)
+{
+    return 0;
+}
+
+/*
+ * Close a file stream, but don't deallocate the buffer.  This replaces the
+ * close procedure for %lineedit and %statementedit.  (This is WRONG: these
+ * streams should allocate a new buffer each time they are opened, but that
+ * would overstress the allocator right now.)  This is exported for ziodev.c.
+ * This also replaces the close procedure for the string-reading stream
+ * created for gs_run_string.
+ */
+int
+file_close_disable(stream * s)
+{
+    int code = (*s->save_close)(s);
+
+    if (code)
+	return code;
+    /* Increment the IDs to prevent further access. */
+    s->read_id = s->write_id = (s->read_id | s->write_id) + 1;
+    return file_close_finish(s);
+}
+
+/* Close a file stream.  This replaces the close procedure in the stream */
+/* for normal (OS) files and for filters. */
+int
+file_close_file(stream * s)
+{
+    stream *stemp = s->strm;
+    gs_memory_t *mem;
+    int code = file_close_disable(s);
+
+    if (code)
+	return code;
+    /*
+     * Check for temporary streams created for filters.
+     * There may be more than one in the case of a procedure-based filter,
+     * or if we created an intermediate stream to ensure
+     * a large enough buffer.  Note that these streams may have been
+     * allocated by file_alloc_stream, so we mustn't free them.
+     */
+    while (stemp != 0 && stemp->is_temp != 0) {
+	stream *snext = stemp->strm;
+
+	mem = stemp->memory;
+	if (stemp->is_temp > 1)
+	    gs_free_object(mem, stemp->cbuf,
+			   "file_close(temp stream buffer)");
+	s_disable(stemp);
+	stemp = snext;
+    }
+    mem = s->memory;
+    gs_free_object(mem, s->cbuf, "file_close(buffer)");
+    if (s->close_strm && stemp != 0)
+	return sclose(stemp);
+    return 0;
+}
+
+/* Close a file object. */
+/* This is exported only for gsmain.c. */
+int
+file_close(ref * pfile)
+{
+    stream *s;
+
+    if (file_is_valid(s, pfile)) {	/* closing a closed file is a no-op */
+	if (sclose(s))
+	    return_error(e_ioerror);
+    }
+    return 0;
+}
diff --git a/pstoraster/zfileio.c b/pstoraster/zfileio.c
new file mode 100644
index 000000000..ba95faa7a
--- /dev/null
+++ b/pstoraster/zfileio.c
@@ -0,0 +1,842 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* File I/O operators */
+#include "ghost.h"
+#include "gp.h"
+#include "oper.h"
+#include "stream.h"
+#include "files.h"
+#include "store.h"
+#include "strimpl.h"		/* for ifilter.h */
+#include "ifilter.h"		/* for procedure streams */
+#include "gsmatrix.h"		/* for gxdevice.h */
+#include "gxdevice.h"
+#include "gxdevmem.h"
+
+/* Forward references */
+private int write_string(P2(ref *, stream *));
+private int handle_read_status(P4(int, const ref *, const uint *,
+				  int (*)(P1(os_ptr))));
+private int handle_write_status(P4(int, const ref *, const uint *,
+				   int (*)(P1(os_ptr))));
+
+/* ------ Operators ------ */
+
+/* <file> closefile - */
+int
+zclosefile(register os_ptr op)
+{
+    stream *s;
+
+    check_type(*op, t_file);
+    if (file_is_valid(s, op)) {	/* closing a closed file is a no-op */
+	int status = sclose(s);
+
+	if (status != 0) {
+	    if (s_is_writing(s))
+		return handle_write_status(status, op, NULL, zclosefile);
+	    else
+		return handle_read_status(status, op, NULL, zclosefile);
+	}
+    }
+    pop(1);
+    return 0;
+}
+
+/* <file> read <int> -true- */
+/* <file> read -false- */
+private int
+zread(register os_ptr op)
+{
+    stream *s;
+    int ch;
+
+    check_read_file(s, op);
+    ch = sgetc(s);
+    if (ch >= 0) {
+	push(1);
+	make_int(op - 1, ch);
+	make_bool(op, 1);
+    } else if (ch == EOFC)
+	make_bool(op, 0);
+    else
+	return handle_read_status(ch, op, NULL, zread);
+    return 0;
+}
+
+/* <file> <int> write - */
+int
+zwrite(register os_ptr op)
+{
+    stream *s;
+    byte ch;
+    int status;
+
+    check_write_file(s, op - 1);
+    check_type(*op, t_integer);
+    ch = (byte) op->value.intval;
+    status = sputc(s, (byte) ch);
+    if (status >= 0) {
+	pop(2);
+	return 0;
+    }
+    return handle_write_status(status, op - 1, NULL, zwrite);
+}
+
+/* <file> <string> readhexstring <substring> <filled_bool> */
+private int zreadhexstring_continue(P1(os_ptr));
+
+/* We keep track of the odd digit in the next byte of the string */
+/* beyond the bytes already used.  (This is just for convenience; */
+/* we could do the same thing by passing 2 state parameters to the */
+/* continuation procedure instead of 1.) */
+private int
+zreadhexstring_at(register os_ptr op, uint start)
+{
+    stream *s;
+    uint len, nread;
+    byte *str;
+    int odd;
+    stream_cursor_write cw;
+    int status;
+
+    check_read_file(s, op - 1);
+    /*check_write_type(*op, t_string); *//* done by caller */
+    str = op->value.bytes;
+    len = r_size(op);
+    if (start < len) {
+	odd = str[start];
+	if (odd > 0xf)
+	    odd = -1;
+    } else
+	odd = -1;
+    cw.ptr = str + start - 1;
+    cw.limit = str + len - 1;
+    for (;;) {
+	status = s_hex_process(&s->cursor.r, &cw, &odd,
+			       hex_ignore_garbage);
+	if (status == 1) {	/* filled the string */
+	    ref_assign_inline(op - 1, op);
+	    make_true(op);
+	    return 0;
+	} else if (status != 0)	/* error or EOF */
+	    break;
+	/* Didn't fill, keep going. */
+	status = spgetc(s);
+	if (status < 0)
+	    break;
+	sputback(s);
+    }
+    nread = cw.ptr + 1 - str;
+    if (status != EOFC) {	/* Error */
+	if (nread < len)
+	    str[nread] = (odd < 0 ? 0x10 : odd);
+	return handle_read_status(status, op - 1, &nread,
+				  zreadhexstring_continue);
+    }
+    /* Reached end-of-file before filling the string. */
+    /* Return an appropriate substring. */
+    ref_assign_inline(op - 1, op);
+    r_set_size(op - 1, nread);
+    make_false(op);
+    return 0;
+}
+private int
+zreadhexstring(os_ptr op)
+{
+    check_write_type(*op, t_string);
+    if (r_size(op) > 0)
+	*op->value.bytes = 0x10;
+    return zreadhexstring_at(op, 0);
+}
+/* Continue a readhexstring operation after a callout. */
+/* *op is the index within the string. */
+private int
+zreadhexstring_continue(register os_ptr op)
+{
+    int code;
+
+    check_type(*op, t_integer);
+    if (op->value.intval < 0 || op->value.intval > r_size(op - 1))
+	return_error(e_rangecheck);
+    check_write_type(op[-1], t_string);
+    code = zreadhexstring_at(op - 1, (uint) op->value.intval);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* <file> <string> writehexstring - */
+private int zwritehexstring_continue(P1(os_ptr));
+private int
+zwritehexstring_at(register os_ptr op, uint odd)
+{
+    register stream *s;
+    register byte ch;
+    register const byte *p;
+    register const char *const hex_digits = "0123456789abcdef";
+    register uint len;
+    int status;
+
+#define MAX_HEX 128
+    byte buf[MAX_HEX];
+
+    check_write_file(s, op - 1);
+    check_read_type(*op, t_string);
+    p = op->value.bytes;
+    len = r_size(op);
+    while (len) {
+	uint len1 = min(len, MAX_HEX / 2);
+	register byte *q = buf;
+	uint count = len1;
+	ref rbuf;
+
+	do {
+	    ch = *p++;
+	    *q++ = hex_digits[ch >> 4];
+	    *q++ = hex_digits[ch & 0xf];
+	}
+	while (--count);
+	r_set_size(&rbuf, (len1 << 1) - odd);
+	rbuf.value.bytes = buf + odd;
+	status = write_string(&rbuf, s);
+	switch (status) {
+	    default:
+		return_error(e_ioerror);
+	    case 0:
+		len -= len1;
+		odd = 0;
+		continue;
+	    case INTC:
+	    case CALLC:
+		count = rbuf.value.bytes - buf;
+		op->value.bytes += count >> 1;
+		r_set_size(op, len - (count >> 1));
+		count &= 1;
+		return handle_write_status(status, op - 1, &count,
+					   zwritehexstring_continue);
+	}
+    }
+    pop(2);
+    return 0;
+#undef MAX_HEX
+}
+private int
+zwritehexstring(os_ptr op)
+{
+    return zwritehexstring_at(op, 0);
+}
+/* Continue a writehexstring operation after a callout. */
+/* *op is the odd/even hex digit flag for the first byte. */
+private int
+zwritehexstring_continue(register os_ptr op)
+{
+    int code;
+
+    check_type(*op, t_integer);
+    if ((op->value.intval & ~1) != 0)
+	return_error(e_rangecheck);
+    code = zwritehexstring_at(op - 1, (uint) op->value.intval);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* <file> <string> readstring <substring> <filled_bool> */
+private int zreadstring_continue(P1(os_ptr));
+private int
+zreadstring_at(register os_ptr op, uint start)
+{
+    stream *s;
+    uint len, rlen;
+    int status;
+
+    check_read_file(s, op - 1);
+    check_write_type(*op, t_string);
+    len = r_size(op);
+    status = sgets(s, op->value.bytes + start, len - start, &rlen);
+    rlen += start;
+    switch (status) {
+	case EOFC:
+	case 0:
+	    break;
+	default:
+	    return handle_read_status(status, op - 1, &rlen,
+				      zreadstring_continue);
+    }
+    /*
+     * The most recent Adobe specification says that readstring
+     * must signal a rangecheck if the string length is zero.
+     * I can't imagine the motivation for this, but we emulate it.
+     * It's safe to check it here, rather than earlier, because if
+     * len is zero, sgets will return 0 immediately with rlen = 0.
+     */
+    if (len == 0)
+	return_error(e_rangecheck);
+    r_set_size(op, rlen);
+    op[-1] = *op;
+    make_bool(op, (rlen == len ? 1 : 0));
+    return 0;
+}
+private int
+zreadstring(os_ptr op)
+{
+    return zreadstring_at(op, 0);
+}
+/* Continue a readstring operation after a callout. */
+/* *op is the index within the string. */
+private int
+zreadstring_continue(register os_ptr op)
+{
+    int code;
+
+    check_type(*op, t_integer);
+    if (op->value.intval < 0 || op->value.intval > r_size(op - 1))
+	return_error(e_rangecheck);
+    code = zreadstring_at(op - 1, (uint) op->value.intval);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* <file> <string> writestring - */
+private int
+zwritestring(register os_ptr op)
+{
+    stream *s;
+    int status;
+
+    check_write_file(s, op - 1);
+    check_read_type(*op, t_string);
+    status = write_string(op, s);
+    if (status >= 0) {
+	pop(2);
+	return 0;
+    }
+    return handle_write_status(status, op - 1, NULL, zwritestring);
+}
+
+/* <file> <string> readline <substring> <bool> */
+private int zreadline(P1(os_ptr));
+private int zreadline_continue(P1(os_ptr));
+
+/*
+ * We could handle readline the same way as readstring,
+ * except for the anomalous situation where we get interrupted
+ * between the CR and the LF of an end-of-line marker.
+ * We hack around this in the following way: if we get interrupted
+ * before we've read any characters, we just restart the readline;
+ * if we get interrupted at any other time, we use readline_continue;
+ * we use start=0 (which we have just ruled out as a possible start value
+ * for readline_continue) to indicate interruption after the CR.
+ */
+private int
+zreadline_at(register os_ptr op, uint count, bool in_eol)
+{
+    stream *s;
+    byte *ptr;
+    uint len;
+    int status;
+
+    check_read_file(s, op - 1);
+    check_write_type(*op, t_string);
+    ptr = op->value.bytes;
+    len = r_size(op);
+    status = zreadline_from(s, ptr, len, &count, &in_eol);
+    switch (status) {
+	case 0:
+	case EOFC:
+	    break;
+	case 1:
+	    return_error(e_rangecheck);
+	default:
+	    if (count == 0 && !in_eol)
+		return handle_read_status(status, op - 1, NULL,
+					  zreadline);
+	    else {
+		if (in_eol) {
+		    r_set_size(op, count);
+		    count = 0;
+		}
+		return handle_read_status(status, op - 1, &count,
+					  zreadline_continue);
+	    }
+    }
+    r_set_size(op, count);
+    op[-1] = *op;
+    make_bool(op, status == 0);
+    return 0;
+}
+private int
+zreadline(register os_ptr op)
+{
+    return zreadline_at(op, 0, false);
+}
+/* Continue a readline operation after a callout. */
+/* *op is the index within the string, or 0 for an interrupt after a CR. */
+private int
+zreadline_continue(register os_ptr op)
+{
+    uint size = r_size(op - 1);
+    uint start;
+    int code;
+
+    check_type(*op, t_integer);
+    if (op->value.intval < 0 || op->value.intval > size)
+	return_error(e_rangecheck);
+    start = (uint) op->value.intval;
+    code = (start == 0 ? zreadline_at(op - 1, size, true) :
+	    zreadline_at(op - 1, start, false));
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* Internal readline routine. */
+/* Returns a stream status value, or 1 if we overflowed the string. */
+/* This is exported for %lineedit. */
+int
+zreadline_from(stream * s, byte * ptr, uint size, uint * pcount, bool * pin_eol)
+{
+    uint count = *pcount;
+
+    /* Most systems define \n as 0xa and \r as 0xd; however, */
+    /* OS-9 has \n == \r == 0xd and \l == 0xa.  The following */
+    /* code works properly regardless of environment. */
+#if '\n' == '\r'
+#  define LF 0xa
+#else
+#  define LF '\n'
+#endif
+
+top:
+    if (*pin_eol) {
+	/*
+	 * We're in the middle of checking for a two-character
+	 * end-of-line sequence.  If we get an EOF here, stop, but
+	 * don't signal EOF now; wait till the next read.
+	 */
+	int ch = spgetcc(s, false);
+
+	if (ch == EOFC) {
+	    *pin_eol = false;
+	    return 0;
+	} else if (ch < 0)
+	    return ch;
+	else if (ch != LF)
+	    sputback(s);
+	*pin_eol = false;
+	return 0;
+    }
+    for (;;) {
+	int ch = sgetc(s);
+
+	if (ch < 0) {		/* EOF or exception */
+	    *pcount = count;
+	    return ch;
+	}
+	switch (ch) {
+	    case '\r':
+		{
+#if '\n' == '\r'		/* OS-9 or similar */
+		    stream *ins;
+		    int code = zget_stdin(&ins);
+
+		    if (code < 0 || s != ins)
+#endif
+		    {
+			*pcount = count;
+			*pin_eol = true;
+			goto top;
+		    }
+		}
+		/* falls through */
+	    case LF:
+#undef LF
+		*pcount = count;
+		return 0;
+	}
+	if (count >= size) {	/* filled the string */
+	    sputback(s);
+	    *pcount = count;
+	    return 1;
+	}
+	ptr[count++] = ch;
+    }
+    /*return 0; *//* not reached */
+}
+
+/* <file> bytesavailable <int> */
+private int
+zbytesavailable(register os_ptr op)
+{
+    stream *s;
+    long avail;
+
+    check_read_file(s, op);
+    switch (savailable(s, &avail)) {
+	default:
+	    return_error(e_ioerror);
+	case EOFC:
+	    avail = -1;
+	case 0:
+	    ;
+    }
+    make_int(op, avail);
+    return 0;
+}
+
+/* - flush - */
+int
+zflush(register os_ptr op)
+{
+    stream *s;
+    int code = zget_stderr(&s);
+
+    if (code < 0)
+	return code;
+    sflush(s);
+    return 0;
+}
+
+/* <file> flushfile - */
+private int
+zflushfile(register os_ptr op)
+{
+    stream *s;
+    int status;
+
+    check_file(s, op);
+    status = sflush(s);
+    if (status == 0) {
+	pop(1);
+	return 0;
+    }
+    return
+	(s_is_writing(s) ?
+	 handle_write_status(status, op, NULL, zflushfile) :
+	 handle_read_status(status, op, NULL, zflushfile));
+}
+
+/* <file> resetfile - */
+private int
+zresetfile(register os_ptr op)
+{
+    stream *s;
+
+    /* According to Adobe, resetfile is a no-op on closed files. */
+    check_type(*op, t_file);
+    if (file_is_valid(s, op))
+	sreset(s);
+    pop(1);
+    return 0;
+}
+
+/* <string> print - */
+private int
+zprint(register os_ptr op)
+{
+    stream *s;
+    int status;
+    ref rstdout;
+    int code;
+
+    check_read_type(*op, t_string);
+    code = zget_stderr(&s);
+    if (code < 0)
+	return code;
+    status = write_string(op, s);
+    if (status >= 0) {
+	pop(1);
+	return 0;
+    }
+    /* Convert print to writestring on the fly. */
+    make_stream_file(&rstdout, s, "w");
+    code = handle_write_status(status, &rstdout, NULL, zwritestring);
+    if (code != o_push_estack)
+	return code;
+    push(1);
+    *op = op[-1];
+    op[-1] = rstdout;
+    return code;
+}
+
+/* <bool> echo - */
+private int
+zecho(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    /****** NOT IMPLEMENTED YET ******/
+    pop(1);
+    return 0;
+}
+
+/* ------ Level 2 extensions ------ */
+
+/* <file> fileposition <int> */
+private int
+zfileposition(register os_ptr op)
+{
+    stream *s;
+
+    check_file(s, op);
+    make_int(op, stell(s));
+    return 0;
+}
+
+/* <file> <int> setfileposition - */
+private int
+zsetfileposition(register os_ptr op)
+{
+    stream *s;
+
+    check_file(s, op - 1);
+    check_type(*op, t_integer);
+    if (sseek(s, op->value.intval) < 0)
+	return_error(e_ioerror);
+    pop(2);
+    return 0;
+}
+
+/* ------ Non-standard extensions ------ */
+
+/* <file> <int> unread - */
+private int
+zunread(register os_ptr op)
+{
+    stream *s;
+    ulong ch;
+
+    check_read_file(s, op - 1);
+    check_type(*op, t_integer);
+    ch = op->value.intval;
+    if (ch > 0xff)
+	return_error(e_rangecheck);
+    if (sungetc(s, (byte) ch) < 0)
+	return_error(e_ioerror);
+    pop(2);
+    return 0;
+}
+
+/* <file> <object> <==flag> .writecvp - */
+private int zwritecvp_continue(P1(os_ptr));
+private int
+zwritecvp_at(register os_ptr op, uint start)
+{
+    stream *s;
+#define MAX_CVS 128
+    byte str[MAX_CVS];
+    ref rstr;
+    const byte *pchars = str;
+    uint len;
+    int code, status;
+
+    check_write_file(s, op - 2);
+    check_type(*op, t_boolean);
+    code = obj_cvp(op - 1, str, MAX_CVS, &len, &pchars, op->value.boolval);
+    if (code < 0) {
+	if (pchars == str)
+	    return code;
+    }
+    if (start > len)
+	return_error(e_rangecheck);
+    r_set_size(&rstr, len - start);
+    rstr.value.const_bytes = pchars + start;
+    status = write_string(&rstr, s);
+    switch (status) {
+	default:
+	    return_error(e_ioerror);
+	case 0:
+	    break;
+	case INTC:
+	case CALLC:
+	    len -= r_size(&rstr);
+	    return handle_write_status(status, op - 2, &len,
+				       zwritecvp_continue);
+    }
+    pop(3);
+    return 0;
+#undef MAX_CVS
+}
+private int
+zwritecvp(os_ptr op)
+{
+    return zwritecvp_at(op, 0);
+}
+/* Continue a .writecvp after a callout. */
+/* *op is the index within the string. */
+private int
+zwritecvp_continue(os_ptr op)
+{
+    int code;
+
+    check_type(*op, t_integer);
+    if (op->value.intval != (uint) op->value.intval)
+	return_error(e_rangecheck);
+    code = zwritecvp_at(op - 1, (uint) op->value.intval);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfileio_op_defs[] =
+{
+    {"1bytesavailable", zbytesavailable},
+    {"1closefile", zclosefile},
+		/* currentfile is in zcontrol.c */
+    {"1echo", zecho},
+    {"1fileposition", zfileposition},
+    {"0flush", zflush},
+    {"1flushfile", zflushfile},
+    {"1print", zprint},
+    {"1read", zread},
+    {"2readhexstring", zreadhexstring},
+    {"2readline", zreadline},
+    {"2readstring", zreadstring},
+    {"1resetfile", zresetfile},
+    {"2setfileposition", zsetfileposition},
+    {"2unread", zunread},
+    {"2write", zwrite},
+    {"3.writecvp", zwritecvp},
+    {"2writehexstring", zwritehexstring},
+    {"2writestring", zwritestring},
+		/* Internal operators */
+    {"3%zreadhexstring_continue", zreadhexstring_continue},
+    {"3%zwritehexstring_continue", zwritehexstring_continue},
+    {"3%zreadstring_continue", zreadstring_continue},
+    {"3%zreadline_continue", zreadline_continue},
+    {"4%zwritecvp_continue", zwritecvp_continue},
+    op_def_end(0)
+};
+
+/* ------ Non-operator routines ------ */
+
+/* Switch a file open for read/write access but currently in write mode */
+/* to read mode. */
+int
+file_switch_to_read(const ref * op)
+{
+    stream *s = fptr(op);
+
+    if (s->write_id != r_size(op) || s->file == 0)	/* not valid */
+	return_error(e_invalidaccess);
+    if (sswitch(s, false) < 0)
+	return_error(e_ioerror);
+    s->read_id = s->write_id;	/* enable reading */
+    s->write_id = 0;		/* disable writing */
+    return 0;
+}
+
+/* Switch a file open for read/write access but currently in read mode */
+/* to write mode. */
+int
+file_switch_to_write(const ref * op)
+{
+    stream *s = fptr(op);
+
+    if (s->read_id != r_size(op) || s->file == 0)	/* not valid */
+	return_error(e_invalidaccess);
+    if (sswitch(s, true) < 0)
+	return_error(e_ioerror);
+    s->write_id = s->read_id;	/* enable writing */
+    s->read_id = 0;		/* disable reading */
+    return 0;
+}
+
+/* ------ Internal routines ------ */
+
+/* Write a string on a file.  The file and string have been validated. */
+/* If the status is INTC or CALLC, updates the string on the o-stack. */
+private int
+write_string(ref * op, stream * s)
+{
+    const byte *data = op->value.const_bytes;
+    uint len = r_size(op);
+    uint wlen;
+    int status = sputs(s, data, len, &wlen);
+
+    switch (status) {
+	case INTC:
+	case CALLC:
+	    op->value.const_bytes = data + wlen;
+	    r_set_size(op, len - wlen);
+	    /* falls through */
+	default:		/* 0, EOFC, ERRC */
+	    return status;
+    }
+}
+
+/* Handle an exceptional status return from a read stream. */
+/* fop points to the ref for the stream. */
+/* ch may be any stream exceptional value. */
+/* Return 0, 1 (EOF), o_push_estack, or an error. */
+private int
+handle_read_status(int ch, const ref * fop, const uint * pindex,
+		   int (*cont) (P1(os_ptr)))
+{
+    switch (ch) {
+	default:		/* error */
+	    return_error(e_ioerror);
+	case EOFC:
+	    return 1;
+	case INTC:
+	case CALLC:
+	    if (pindex) {
+		ref index;
+
+		make_int(&index, *pindex);
+		return s_handle_read_exception(ch, fop, &index, 1, cont);
+	    } else
+		return s_handle_read_exception(ch, fop, NULL, 0, cont);
+    }
+}
+
+/* Handle an exceptional status return from a write stream. */
+/* fop points to the ref for the stream. */
+/* ch may be any stream exceptional value. */
+/* Return 0, 1 (EOF), o_push_estack, or an error. */
+private int
+handle_write_status(int ch, const ref * fop, const uint * pindex,
+		    int (*cont) (P1(os_ptr)))
+{
+    switch (ch) {
+	default:		/* error */
+	    return_error(e_ioerror);
+	case EOFC:
+	    return 1;
+	case INTC:
+	case CALLC:
+	    if (pindex) {
+		ref index;
+
+		make_int(&index, *pindex);
+		return s_handle_write_exception(ch, fop, &index, 1, cont);
+	    } else
+		return s_handle_write_exception(ch, fop, NULL, 0, cont);
+    }
+}
diff --git a/pstoraster/zfilter.c b/pstoraster/zfilter.c
new file mode 100644
index 000000000..2ab5a5c43
--- /dev/null
+++ b/pstoraster/zfilter.c
@@ -0,0 +1,418 @@
+/* Copyright (C) 1993, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Filter creation */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ilevel.h"		/* SubFileDecode is different in LL3 */
+#include "stream.h"
+#include "strimpl.h"
+#include "sfilter.h"
+#include "srlx.h"
+#include "sstring.h"
+#include "ifilter.h"
+#include "files.h"		/* for filter_open, file_d'_buffer_size */
+
+/* <source> ASCIIHexEncode/filter <file> */
+/* <source> <dict> ASCIIHexEncode/filter <file> */
+private int
+zAXE(os_ptr op)
+{
+    return filter_write_simple(op, &s_AXE_template);
+}
+
+/* <target> ASCIIHexDecode/filter <file> */
+/* <target> <dict> ASCIIHexDecode/filter <file> */
+private int
+zAXD(os_ptr op)
+{
+    return filter_read_simple(op, &s_AXD_template);
+}
+
+/* <target> NullEncode/filter <file> */
+/* <target> <dict_ignored> NullEncode/filter <file> */
+private int
+zNullE(os_ptr op)
+{
+    return filter_write_simple(op, &s_NullE_template);
+}
+
+/* <source> <bool> PFBDecode/filter <file> */
+/* <source> <dict> <bool> PFBDecode/filter <file> */
+private int
+zPFBD(os_ptr op)
+{
+    stream_PFBD_state state;
+    os_ptr sop = op;
+
+    check_type(*sop, t_boolean);
+    state.binary_to_hex = sop->value.boolval;
+    return filter_read(op, 1, &s_PFBD_template, (stream_state *) & state, 0);
+}
+
+/* <target> PSStringEncode/filter <file> */
+/* <target> <dict> PSStringEncode/filter <file> */
+private int
+zPSSE(os_ptr op)
+{
+    return filter_write_simple(op, &s_PSSE_template);
+}
+
+/* ------ RunLength filters ------ */
+
+/* Common setup for RLE and RLD filters. */
+private int
+rl_setup(os_ptr dop, bool * eod)
+{
+    if (r_has_type(dop, t_dictionary)) {
+	int code;
+
+	check_dict_read(*dop);
+	if ((code = dict_bool_param(dop, "EndOfData", true, eod)) < 0)
+	    return code;
+	return 1;
+    } else {
+	*eod = true;
+	return 0;
+    }
+}
+
+/* <target> <record_size> RunLengthEncode/filter <file> */
+/* <target> <dict> <record_size> RunLengthEncode/filter <file> */
+private int
+zRLE(register os_ptr op)
+{
+    stream_RLE_state state;
+    int code;
+
+    check_op(2);
+    code = rl_setup(op - 1, &state.EndOfData);
+    if (code < 0)
+	return code;
+    check_int_leu(*op, max_uint);
+    state.record_size = op->value.intval;
+    return filter_write(op, 1, &s_RLE_template, (stream_state *) & state, 0);
+}
+
+/* <source> RunLengthDecode/filter <file> */
+/* <source> <dict> RunLengthDecode/filter <file> */
+private int
+zRLD(os_ptr op)
+{
+    stream_RLD_state state;
+    int code = rl_setup(op, &state.EndOfData);
+
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_RLD_template, (stream_state *) & state, 0);
+}
+
+/* <source> <EODcount> <EODstring> SubFileDecode/filter <file> */
+/* <source> <dict> <EODcount> <EODstring> SubFileDecode/filter <file> */
+/* <source> <dict> SubFileDecode/filter <file> *//* (LL3 only) */
+private int
+zSFD(os_ptr op)
+{
+    stream_SFD_state state;
+    ref *sop = op;
+    int npop;
+
+    if (LL3_ENABLED && r_has_type(op, t_dictionary)) {
+	int count;
+	int code;
+
+	check_dict_read(*op);
+	if ((code = dict_int_param(op, "EODCount", 0, max_int, -1, &count)) < 0)
+	    return code;
+	if (dict_find_string(op, "EODString", &sop) <= 0)
+	    return_error(e_rangecheck);
+	state.count = count;
+	npop = 0;
+    } else {
+	check_type(sop[-1], t_integer);
+	if (sop[-1].value.intval < 0)
+	    return_error(e_rangecheck);
+	state.count = sop[-1].value.intval;
+	npop = 2;
+    }
+    check_read_type(*sop, t_string);
+    state.eod.data = sop->value.const_bytes;
+    state.eod.size = r_size(sop);
+    return filter_read(op, npop, &s_SFD_template, (stream_state *) & state,
+		       r_space(sop));
+}
+
+/* ------ Utilities ------ */
+
+/* Forward references */
+private int filter_ensure_buf(P3(stream **, uint, bool));
+
+/* Set up an input filter. */
+int
+filter_read(os_ptr op, int npop, const stream_template * template,
+	    stream_state * st, uint space)
+{
+    uint min_size = template->min_out_size + max_min_left;
+    uint save_space = ialloc_space(idmemory);
+    os_ptr sop = op - npop;
+    stream *s;
+    stream *sstrm;
+    bool close = false;
+    int code;
+
+    /* Skip over an optional dictionary parameter. */
+    if (r_has_type(sop, t_dictionary)) {
+	check_dict_read(*sop);
+	if ((code = dict_bool_param(sop, "CloseSource", false, &close)) < 0)
+	    return code;
+	--sop;
+    }
+    /*
+     * Check to make sure that the underlying data
+     * can function as a source for reading.
+     */
+    switch (r_type(sop)) {
+	case t_string:
+	    check_read(*sop);
+	    ialloc_set_space(idmemory, max(space, r_space(sop)));
+	    sstrm = file_alloc_stream(imemory, "filter_read(string stream)");
+	    if (sstrm == 0) {
+		code = gs_note_error(e_VMerror);
+		goto out;
+	    }
+	    sread_string(sstrm, sop->value.bytes, r_size(sop));
+	    sstrm->is_temp = 1;
+	    break;
+	case t_file:
+	    check_read_known_file(sstrm, sop, return);
+	    ialloc_set_space(idmemory, max(space, r_space(sop)));
+	    goto ens;
+	default:
+	    check_proc(*sop);
+	    ialloc_set_space(idmemory, max(space, r_space(sop)));
+	    code = sread_proc(sop, &sstrm);
+	    if (code < 0)
+		goto out;
+	    sstrm->is_temp = 2;
+	  ens:
+	    code = filter_ensure_buf(&sstrm,
+				     template->min_in_size +
+				     sstrm->state->template->min_out_size,
+				     false);
+	    if (code < 0)
+		goto out;
+	    break;
+    }
+    if (min_size < 128)
+	min_size = file_default_buffer_size;
+    code = filter_open("r", min_size, (ref *) sop,
+		       &s_filter_read_procs, template, st);
+    if (code < 0)
+	goto out;
+    s = fptr(sop);
+    s->strm = sstrm;
+    s->close_strm = close;
+    pop(op - sop);
+out:
+    ialloc_set_space(idmemory, save_space);
+    return code;
+}
+int
+filter_read_simple(os_ptr op, const stream_template * template)
+{
+    return filter_read(op, 0, template, NULL, 0);
+}
+
+/* Set up an output filter. */
+int
+filter_write(os_ptr op, int npop, const stream_template * template,
+	     stream_state * st, uint space)
+{
+    uint min_size = template->min_in_size + max_min_left;
+    uint save_space = ialloc_space(idmemory);
+    register os_ptr sop = op - npop;
+    stream *s;
+    stream *sstrm;
+    bool close = false;
+    int code;
+
+    /* Skip over an optional dictionary parameter. */
+    if (r_has_type(sop, t_dictionary)) {
+	check_dict_read(*sop);
+	if ((code = dict_bool_param(sop, "CloseTarget", false, &close)) < 0)
+	    return code;
+	--sop;
+    }
+    /*
+     * Check to make sure that the underlying data
+     * can function as a sink for writing.
+     */
+    switch (r_type(sop)) {
+	case t_string:
+	    check_write(*sop);
+	    ialloc_set_space(idmemory, max(space, r_space(sop)));
+	    sstrm = file_alloc_stream(imemory, "filter_write(string)");
+	    if (sstrm == 0) {
+		code = gs_note_error(e_VMerror);
+		goto out;
+	    }
+	    swrite_string(sstrm, sop->value.bytes, r_size(sop));
+	    sstrm->is_temp = 1;
+	    break;
+	case t_file:
+	    check_write_known_file(sstrm, sop, return);
+	    ialloc_set_space(idmemory, max(space, r_space(sop)));
+	    goto ens;
+	default:
+	    check_proc(*sop);
+	    ialloc_set_space(idmemory, max(space, r_space(sop)));
+	    code = swrite_proc(sop, &sstrm);
+	    if (code < 0)
+		goto out;
+	    sstrm->is_temp = 2;
+	  ens:
+	    code = filter_ensure_buf(&sstrm,
+				     template->min_out_size +
+				     sstrm->state->template->min_in_size,
+				     true);
+	    if (code < 0)
+		goto out;
+	    break;
+    }
+    if (min_size < 128)
+	min_size = file_default_buffer_size;
+    code = filter_open("w", min_size, (ref *) sop,
+		       &s_filter_write_procs, template, st);
+    if (code < 0)
+	goto out;
+    s = fptr(sop);
+    s->strm = sstrm;
+    s->close_strm = close;
+    pop(op - sop);
+out:
+    ialloc_set_space(idmemory, save_space);
+    return code;
+}
+int
+filter_write_simple(os_ptr op, const stream_template * template)
+{
+    return filter_write(op, 0, template, NULL, 0);
+}
+
+/* Define a byte-at-a-time NullDecode filter for intermediate buffers. */
+/* (The standard NullDecode filter can read ahead too far.) */
+private int
+s_Null1D_process(stream_state * st, stream_cursor_read * pr,
+		 stream_cursor_write * pw, bool last)
+{
+    if (pr->ptr >= pr->limit)
+	return 0;
+    if (pw->ptr >= pw->limit)
+	return 1;
+    *++(pw->ptr) = *++(pr->ptr);
+    return 1;
+}
+private const stream_template s_Null1D_template =
+{
+    &st_stream_state, NULL, s_Null1D_process, 1, 1
+};
+
+/* Ensure a minimum buffer size for a filter. */
+/* This may require creating an intermediate stream. */
+private int
+filter_ensure_buf(stream ** ps, uint min_buf_size, bool writing)
+{
+    stream *s = *ps;
+    uint min_size = min_buf_size + max_min_left;
+    stream *bs;
+    ref bsop;
+    int code;
+
+    if (s->modes == 0 /* stream is closed */  || s->bsize >= min_size)
+	return 0;
+    /* Otherwise, allocate an intermediate stream. */
+    if (s->cbuf == 0) {
+	/* This is a newly created procedure stream. */
+	/* Just allocate a buffer for it. */
+	uint len = max(min_size, 128);
+	byte *buf = ialloc_bytes(len, "filter_ensure_buf");
+
+	if (buf == 0)
+	    return_error(e_VMerror);
+	s->cbuf = buf;
+	s->srptr = s->srlimit = s->swptr = buf - 1;
+	s->swlimit = buf - 1 + len;
+	s->bsize = s->cbsize = len;
+	return 0;
+    } else {
+	/* Allocate an intermediate stream. */
+	if (writing)
+	    code = filter_open("w", min_size, &bsop, &s_filter_write_procs,
+			       &s_NullE_template, NULL);
+	else
+	    code = filter_open("r", min_size, &bsop, &s_filter_read_procs,
+			       &s_Null1D_template, NULL);
+	if (code < 0)
+	    return code;
+	bs = fptr(&bsop);
+	bs->strm = s;
+	bs->is_temp = 2;
+	*ps = bs;
+	return code;
+    }
+}
+
+/* Mark a (filter) stream as temporary. */
+/* We define this here to avoid importing stream.h into zf*.c. */
+void
+filter_mark_temp(const ref * fop, int is_temp)
+{
+    fptr(fop)->is_temp = is_temp;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfilter_op_defs[] =
+{
+		/* We enter PSStringEncode and SubFileDecode (only) */
+		/* as separate operators. */
+    {"1.psstringencode", zPSSE},
+    {"2.subfiledecode", zSFD},
+    op_def_begin_filter(),
+    {"1ASCIIHexEncode", zAXE},
+    {"1ASCIIHexDecode", zAXD},
+    {"1NullEncode", zNullE},
+    {"2PFBDecode", zPFBD},
+    {"1PSStringEncode", zPSSE},
+    {"2RunLengthEncode", zRLE},
+    {"1RunLengthDecode", zRLD},
+    {"3SubFileDecode", zSFD},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfilter2.c b/pstoraster/zfilter2.c
new file mode 100644
index 000000000..fc58762e7
--- /dev/null
+++ b/pstoraster/zfilter2.c
@@ -0,0 +1,165 @@
+/* Copyright (C) 1991, 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Additional filter creation */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "store.h"
+#include "strimpl.h"
+#include "sfilter.h"
+#include "scfx.h"
+#include "slzwx.h"
+#include "spdiffx.h"
+#include "spngpx.h"
+#include "ifilter.h"
+
+/* Import setup code from zfdecode.c */
+int zcf_setup(P2(os_ptr op, stream_CF_state * pcfs));
+int zlz_setup(P2(os_ptr op, stream_LZW_state * plzs));
+int zpd_setup(P2(os_ptr op, stream_PDiff_state * ppds));
+int zpp_setup(P2(os_ptr op, stream_PNGP_state * ppps));
+
+/* ------ CCITTFaxEncode filter ------ */
+
+/* <target> <dict> CCITTFaxEncode/filter <file> */
+private int
+zCFE(os_ptr op)
+{
+    stream_CFE_state cfs;
+    int code;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    code = zcf_setup(op, (stream_CF_state *)&cfs);
+    if (code < 0)
+	return code;
+    return filter_write(op, 0, &s_CFE_template, (stream_state *)&cfs, 0);
+}
+
+/* ------ Common setup for possibly pixel-oriented encoding filters ------ */
+
+int
+filter_write_predictor(os_ptr op, int npop, const stream_template * template,
+		       stream_state * st)
+{
+    int predictor, code;
+    stream_PDiff_state pds;
+    stream_PNGP_state pps;
+
+    if (r_has_type(op, t_dictionary)) {
+	if ((code = dict_int_param(op, "Predictor", 0, 15, 1, &predictor)) < 0)
+	    return code;
+	switch (predictor) {
+	    case 0:		/* identity */
+		predictor = 1;
+	    case 1:		/* identity */
+		break;
+	    case 2:		/* componentwise horizontal differencing */
+		code = zpd_setup(op, &pds);
+		break;
+	    case 10:
+	    case 11:
+	    case 12:
+	    case 13:
+	    case 14:
+	    case 15:
+		/* PNG prediction */
+		code = zpp_setup(op, &pps);
+		break;
+	    default:
+		return_error(e_rangecheck);
+	}
+	if (code < 0)
+	    return code;
+    } else
+	predictor = 1;
+    if (predictor == 1)
+	return filter_write(op, npop, template, st, 0);
+    {
+	/* We need to cascade filters. */
+	ref rtarget, rdict, rfd;
+	int code;
+
+	/* Save the operands, just in case. */
+	ref_assign(&rtarget, op - 1);
+	ref_assign(&rdict, op);
+	code = filter_write(op, 1, template, st, 0);
+	if (code < 0)
+	    return code;
+	/* filter_write changed osp.... */
+	op = osp;
+	ref_assign(&rfd, op);
+	code =
+	    (predictor == 2 ?
+	     filter_write(op, 0, &s_PDiffE_template, (stream_state *)&pds, 0) :
+	     filter_write(op, 0, &s_PNGPE_template, (stream_state *)&pps, 0));
+	if (code < 0) {
+	    /* Restore the operands.  Don't bother trying to clean up */
+	    /* the first stream. */
+	    osp = ++op;
+	    ref_assign(op - 1, &rtarget);
+	    ref_assign(op, &rdict);
+	    return code;
+	}
+	filter_mark_temp(&rfd, 2);	/* Mark the compression stream as temporary. */
+	return code;
+    }
+}
+
+/* ------ LZW encoding filter ------ */
+
+/* <target> LZWEncode/filter <file> */
+/* <target> <dict> LZWEncode/filter <file> */
+/*
+ * Note: the default implementation of this filter, in slzwce.c,
+ * does not use any algorithms that could reasonably be claimed
+ * to be subject to Unisys' Welch Patent.
+ */
+private int
+zLZWE(os_ptr op)
+{
+    stream_LZW_state lzs;
+    int code = zlz_setup(op, &lzs);
+
+    if (code < 0)
+	return code;
+    return filter_write_predictor(op, 0, &s_LZWE_template,
+				  (stream_state *) & lzs);
+}
+
+/* ================ Initialization procedure ================ */
+
+const op_def zfilter2_op_defs[] =
+{
+    op_def_begin_filter(),
+    {"2CCITTFaxEncode", zCFE},
+    {"1LZWEncode", zLZWE},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfilterx.c b/pstoraster/zfilterx.c
new file mode 100644
index 000000000..6c3897236
--- /dev/null
+++ b/pstoraster/zfilterx.c
@@ -0,0 +1,336 @@
+/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Extended (non-standard) filter creation */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "store.h"
+#include "strimpl.h"
+#include "sfilter.h"
+#include "sbwbs.h"
+#include "sbhc.h"
+#include "sbtx.h"
+#include "shcgen.h"
+#include "smtf.h"
+#include "spcxx.h"
+#include "ifilter.h"
+
+/* ------ Bounded Huffman code filters ------ */
+
+/* Common setup for encoding and decoding filters */
+private int
+bhc_setup(os_ptr op, stream_BHC_state * pbhcs)
+{
+    int code;
+    int num_counts;
+    int data[max_hc_length + 1 + 256 + max_zero_run + 1];
+    uint dsize;
+    int i;
+    uint num_values, accum;
+    ushort *counts;
+    ushort *values;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_bool_param(op, "FirstBitLowOrder", false,
+				&pbhcs->FirstBitLowOrder)) < 0 ||
+	(code = dict_int_param(op, "MaxCodeLength", 1, max_hc_length,
+			       max_hc_length, &num_counts)) < 0 ||
+	(code = dict_bool_param(op, "EndOfData", true,
+				&pbhcs->EndOfData)) < 0 ||
+	(code = dict_uint_param(op, "EncodeZeroRuns", 2, 256,
+				256, &pbhcs->EncodeZeroRuns)) < 0 ||
+    /* Note: the code returned from the following call */
+    /* is actually the number of elements in the array. */
+	(code = dict_int_array_param(op, "Tables", countof(data),
+				     data)) <= 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    dsize = code;
+    if (dsize <= num_counts + 2)
+	return_error(e_rangecheck);
+    for (i = 0, num_values = 0, accum = 0; i <= num_counts;
+	 i++, accum <<= 1
+	) {
+	int count = data[i];
+
+	if (count < 0)
+	    return_error(e_rangecheck);
+	num_values += count;
+	accum += count;
+    }
+    if (dsize != num_counts + 1 + num_values ||
+	accum != 1 << (num_counts + 1) ||
+	pbhcs->EncodeZeroRuns >
+	(pbhcs->EndOfData ? num_values - 1 : num_values)
+	)
+	return_error(e_rangecheck);
+    for (; i < num_counts + 1 + num_values; i++) {
+	int value = data[i];
+
+	if (value < 0 || value >= num_values)
+	    return_error(e_rangecheck);
+    }
+    pbhcs->definition.counts = counts =
+	(ushort *) ialloc_byte_array(num_counts + 1, sizeof(ushort),
+				     "bhc_setup(counts)");
+    pbhcs->definition.values = values =
+	(ushort *) ialloc_byte_array(num_values, sizeof(ushort),
+				     "bhc_setup(values)");
+    if (counts == 0 || values == 0) {
+	ifree_object(values, "bhc_setup(values)");
+	ifree_object(counts, "bhc_setup(counts)");
+	return_error(e_VMerror);
+    }
+    for (i = 0; i <= num_counts; i++)
+	counts[i] = data[i];
+    pbhcs->definition.counts = counts;
+    pbhcs->definition.num_counts = num_counts;
+    for (i = 0; i < num_values; i++)
+	values[i] = data[i + num_counts + 1];
+    pbhcs->definition.values = values;
+    pbhcs->definition.num_values = num_values;
+    return 0;
+}
+
+/* <target> <dict> BoundedHuffmanEncode/filter <file> */
+private int
+zBHCE(os_ptr op)
+{
+    stream_BHCE_state bhcs;
+    int code = bhc_setup(op, (stream_BHC_state *)&bhcs);
+
+    if (code < 0)
+	return code;
+    return filter_write(op, 0, &s_BHCE_template, (stream_state *)&bhcs, 0);
+}
+
+/* <source> <dict> BoundedHuffmanDecode/filter <file> */
+private int
+zBHCD(os_ptr op)
+{
+    stream_BHCD_state bhcs;
+    int code = bhc_setup(op, (stream_BHC_state *)&bhcs);
+
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_BHCD_template, (stream_state *)&bhcs, 0);
+}
+
+/* <array> <max_length> .computecodes <array> */
+/* The first max_length+1 elements of the array will be filled in with */
+/* the code counts; the remaining elements will be replaced with */
+/* the code values.  This is the form needed for the Tables element of */
+/* the dictionary parameter for the BoundedHuffman filters. */
+private int
+zcomputecodes(os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    uint asize;
+    hc_definition def;
+    ushort *data;
+    long *freqs;
+    int code = 0;
+
+    check_type(*op, t_integer);
+    check_write_type(*op1, t_array);
+    asize = r_size(op1);
+    if (op->value.intval < 1 || op->value.intval > max_hc_length)
+	return_error(e_rangecheck);
+    def.num_counts = op->value.intval;
+    if (asize < def.num_counts + 2)
+	return_error(e_rangecheck);
+    def.num_values = asize - (def.num_counts + 1);
+    data = (ushort *) gs_alloc_byte_array(imemory, asize, sizeof(ushort),
+					  "zcomputecodes");
+    freqs = (long *)gs_alloc_byte_array(imemory, def.num_values,
+					sizeof(long),
+					"zcomputecodes(freqs)");
+
+    if (data == 0 || freqs == 0)
+	code = gs_note_error(e_VMerror);
+    else {
+	uint i;
+
+	def.counts = data;
+	def.values = data + (def.num_counts + 1);
+	for (i = 0; i < def.num_values; i++) {
+	    const ref *pf = op1->value.const_refs + i + def.num_counts + 1;
+
+	    if (!r_has_type(pf, t_integer)) {
+		code = gs_note_error(e_typecheck);
+		break;
+	    }
+	    freqs[i] = pf->value.intval;
+	}
+	if (!code) {
+	    code = hc_compute(&def, freqs, imemory);
+	    if (code >= 0) {
+		/* Copy back results. */
+		for (i = 0; i < asize; i++)
+		    make_int(op1->value.refs + i, data[i]);
+	    }
+	}
+    }
+    gs_free_object(imemory, freqs, "zcomputecodes(freqs)");
+    gs_free_object(imemory, data, "zcomputecodes");
+    if (code < 0)
+	return code;
+    pop(1);
+    return code;
+}
+
+/* ------ Burrows/Wheeler block sorting filters ------ */
+
+/* Common setup for encoding and decoding filters */
+private int
+bwbs_setup(os_ptr op, stream_BWBS_state * pbwbss)
+{
+    int code =
+	dict_int_param(op, "BlockSize", 1, max_int / sizeof(int) - 10, 16384,
+		       &pbwbss->BlockSize);
+
+    if (code < 0)
+	return code;
+    return 0;
+}
+
+/* <target> <dict> BWBlockSortEncode/filter <file> */
+private int
+zBWBSE(os_ptr op)
+{
+    stream_BWBSE_state bwbss;
+    int code;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    code = bwbs_setup(op, (stream_BWBS_state *)&bwbss);
+    if (code < 0)
+	return code;
+    return filter_write(op, 0, &s_BWBSE_template, (stream_state *)&bwbss, 0);
+}
+
+/* <source> <dict> BWBlockSortDecode/filter <file> */
+private int
+zBWBSD(os_ptr op)
+{
+    stream_BWBSD_state bwbss;
+    int code = bwbs_setup(op, (stream_BWBS_state *)&bwbss);
+
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_BWBSD_template, (stream_state *)&bwbss, 0);
+}
+
+/* ------ Byte translation filters ------ */
+
+/* Common setup */
+private int
+bt_setup(os_ptr op, stream_BT_state * pbts)
+{
+    check_read_type(*op, t_string);
+    if (r_size(op) != 256)
+	return_error(e_rangecheck);
+    memcpy(pbts->table, op->value.const_bytes, 256);
+    return 0;
+}
+
+/* <target> <table> ByteTranslateEncode/filter <file> */
+/* <target> <table> <dict> ByteTranslateEncode/filter <file> */
+private int
+zBTE(os_ptr op)
+{
+    stream_BT_state bts;
+    int code = bt_setup(op, &bts);
+
+    if (code < 0)
+	return code;
+    return filter_write(op, 0, &s_BTE_template, (stream_state *)&bts, 0);
+}
+
+/* <target> <table> ByteTranslateDecode/filter <file> */
+/* <target> <table> <dict> ByteTranslateDecode/filter <file> */
+private int
+zBTD(os_ptr op)
+{
+    stream_BT_state bts;
+    int code = bt_setup(op, &bts);
+
+    if (code < 0)
+	return code;
+    return filter_read(op, 0, &s_BTD_template, (stream_state *)&bts, 0);
+}
+
+/* ------ Move-to-front filters ------ */
+
+/* <target> MoveToFrontEncode/filter <file> */
+/* <target> <dict> MoveToFrontEncode/filter <file> */
+private int
+zMTFE(os_ptr op)
+{
+    return filter_write_simple(op, &s_MTFE_template);
+}
+
+/* <source> MoveToFrontDecode/filter <file> */
+/* <source> <dict> MoveToFrontDecode/filter <file> */
+private int
+zMTFD(os_ptr op)
+{
+    return filter_read_simple(op, &s_MTFD_template);
+}
+
+/* ------ PCX decoding filter ------ */
+
+/* <source> PCXDecode/filter <file> */
+/* <source> <dict> PCXDecode/filter <file> */
+private int
+zPCXD(os_ptr op)
+{
+    return filter_read_simple(op, &s_PCXD_template);
+}
+
+/* ================ Initialization procedure ================ */
+
+const op_def zfilterx_op_defs[] =
+{
+    {"2.computecodes", zcomputecodes},	/* not a filter */
+    op_def_begin_filter(),
+		/* Non-standard filters */
+    {"2BoundedHuffmanEncode", zBHCE},
+    {"2BoundedHuffmanDecode", zBHCD},
+    {"2BWBlockSortEncode", zBWBSE},
+    {"2BWBlockSortDecode", zBWBSD},
+    {"2ByteTranslateEncode", zBTE},
+    {"2ByteTranslateDecode", zBTD},
+    {"1MoveToFrontEncode", zMTFE},
+    {"1MoveToFrontDecode", zMTFD},
+    {"1PCXDecode", zPCXD},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfname.c b/pstoraster/zfname.c
new file mode 100644
index 000000000..66bfd385e
--- /dev/null
+++ b/pstoraster/zfname.c
@@ -0,0 +1,116 @@
+/* Copyright (C) 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* File name utilities */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "stream.h"
+#include "gxiodev.h"		/* must come after stream.h */
+#include "fname.h"
+
+/* Parse a file name into device and individual name. */
+/* The device may be NULL, or the name may be NULL, but not both. */
+/* According to the Adobe documentation, %device and %device% */
+/* are equivalent; both return name==NULL. */
+int
+parse_file_name(const ref * op, parsed_file_name * pfn)
+{
+    const byte *pname;
+    uint len, dlen;
+    const byte *pdelim;
+    gx_io_device *iodev;
+
+    check_read_type(*op, t_string);
+    len = r_size(op);
+    pname = op->value.const_bytes;
+    if (len == 0)
+	return_error(e_undefinedfilename);
+    if (pname[0] != '%') {	/* no device */
+	pfn->iodev = NULL;
+	pfn->fname = (const char *)pname;
+	pfn->len = len;
+	return 0;
+    }
+    pdelim = (const byte *)memchr(pname + 1, '%', len - 1);
+    if (pdelim == NULL)		/* %device */
+	dlen = len;
+    else if (pdelim[1] == 0) {	/* %device% */
+	pdelim = NULL;
+	dlen = len;
+    } else {
+	dlen = pdelim - pname;
+	pdelim++, len--;
+    }
+    iodev = gs_findiodevice(pname, dlen);
+    if (iodev == 0)
+	return_error(e_undefinedfilename);
+    pfn->iodev = iodev;
+    pfn->fname = (const char *)pdelim;
+    pfn->len = len - dlen;
+    return 0;
+}
+
+/* Parse a real (non-device) file name and convert to a C string. */
+int
+parse_real_file_name(const ref * op, parsed_file_name * pfn, client_name_t cname)
+{
+    int code = parse_file_name(op, pfn);
+
+    if (code < 0)
+	return code;
+    if (pfn->len == 0)
+	return_error(e_invalidfileaccess);	/* device only */
+    return terminate_file_name(pfn, cname);
+}
+
+/* Convert a file name to a C string by adding a null terminator. */
+int
+terminate_file_name(parsed_file_name * pfn, client_name_t cname)
+{
+    uint len = pfn->len;
+    ref fnref;
+    const char *fname;
+
+    if (pfn->iodev == NULL)	/* no device */
+	pfn->iodev = iodev_default;
+    fnref.value.const_bytes = (const byte *)pfn->fname;
+    r_set_size(&fnref, len);
+    fname = ref_to_string(&fnref, imemory, cname);
+    if (fname == 0)
+	return_error(e_VMerror);
+    pfn->fname = fname;
+    pfn->len = len + 1;		/* null terminator */
+    return 0;
+}
+
+/* Free a file name that was copied to a C string. */
+void
+free_file_name(parsed_file_name * pfn, client_name_t cname)
+{
+    if (pfn->fname != 0)
+	ifree_string((byte *) pfn->fname, pfn->len, cname);
+}
diff --git a/pstoraster/zfont.c b/pstoraster/zfont.c
new file mode 100644
index 000000000..919d017f6
--- /dev/null
+++ b/pstoraster/zfont.c
@@ -0,0 +1,471 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic font operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"		/* for registering root */
+#include "gzstate.h"		/* must precede gxdevice */
+#include "gxdevice.h"		/* must precede gxfont */
+#include "gschar.h"
+#include "gxfont.h"
+#include "gxfcache.h"
+#include "bfont.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "igstate.h"
+#include "iname.h"		/* for name_mark_index */
+#include "isave.h"
+#include "store.h"
+#include "ivmspace.h"
+
+/* Forward references */
+private int make_font(P2(os_ptr, const gs_matrix *));
+private void make_uint_array(P3(os_ptr, const uint *, int));
+
+/* The (global) font directory */
+gs_font_dir *ifont_dir = 0;	/* needed for buildfont */
+
+/* Mark a glyph as a PostScript name (if it isn't a CID). */
+bool
+zfont_mark_glyph_name(gs_glyph glyph, void *ignore_data)
+{
+    return (glyph >= gs_min_cid_glyph || glyph == gs_no_glyph ? false :
+	    name_mark_index((uint) glyph));
+}
+
+/* Initialize the font operators */
+private void
+zfont_init(void)
+{
+    ifont_dir = gs_font_dir_alloc2(imemory, &gs_memory_default);
+    ifont_dir->ccache.mark_glyph = zfont_mark_glyph_name;
+    gs_register_struct_root(imemory, NULL, (void **)&ifont_dir,
+			    "ifont_dir");
+}
+
+/* <font> <scale> scalefont <new_font> */
+private int
+zscalefont(register os_ptr op)
+{
+    int code;
+    double scale;
+    gs_matrix mat;
+
+    if ((code = real_param(op, &scale)) < 0)
+	return code;
+    if ((code = gs_make_scaling(scale, scale, &mat)) < 0)
+	return code;
+    return make_font(op, &mat);
+}
+
+/* <font> <matrix> makefont <new_font> */
+private int
+zmakefont(register os_ptr op)
+{
+    int code;
+    gs_matrix mat;
+
+    if ((code = read_matrix(op, &mat)) < 0)
+	return code;
+    return make_font(op, &mat);
+}
+
+/* <font> setfont - */
+int
+zsetfont(register os_ptr op)
+{
+    gs_font *pfont;
+    int code = font_param(op, &pfont);
+
+    if (code < 0 || (code = gs_setfont(igs, pfont)) < 0)
+	return code;
+    pop(1);
+    return code;
+}
+
+/* - currentfont <font> */
+private int
+zcurrentfont(register os_ptr op)
+{
+    push(1);
+    *op = *pfont_dict(gs_currentfont(igs));
+    return 0;
+}
+
+/* - cachestatus <mark> <bsize> <bmax> <msize> <mmax> <csize> <cmax> <blimit> */
+private int
+zcachestatus(register os_ptr op)
+{
+    uint status[7];
+
+    gs_cachestatus(ifont_dir, status);
+    push(7);
+    make_uint_array(op - 6, status, 7);
+    return 0;
+}
+
+/* <blimit> setcachelimit - */
+private int
+zsetcachelimit(register os_ptr op)
+{
+    check_int_leu(*op, max_uint);
+    gs_setcachelimit(ifont_dir, (uint) op->value.intval);
+    pop(1);
+    return 0;
+}
+
+/* <mark> <size> <lower> <upper> setcacheparams - */
+private int
+zsetcacheparams(register os_ptr op)
+{
+    uint params[3];
+    int i, code;
+    os_ptr opp = op;
+
+    for (i = 0; i < 3 && !r_has_type(opp, t_mark); i++, opp--) {
+	check_int_leu(*opp, max_uint);
+	params[i] = opp->value.intval;
+    }
+    switch (i) {
+	case 3:
+	    if ((code = gs_setcachesize(ifont_dir, params[2])) < 0)
+		return code;
+	case 2:
+	    if ((code = gs_setcachelower(ifont_dir, params[1])) < 0)
+		return code;
+	case 1:
+	    if ((code = gs_setcacheupper(ifont_dir, params[0])) < 0)
+		return code;
+	case 0:;
+    }
+    return zcleartomark(op);
+}
+
+/* - currentcacheparams <mark> <size> <lower> <upper> */
+private int
+zcurrentcacheparams(register os_ptr op)
+{
+    uint params[3];
+
+    params[0] = gs_currentcachesize(ifont_dir);
+    params[1] = gs_currentcachelower(ifont_dir);
+    params[2] = gs_currentcacheupper(ifont_dir);
+    push(4);
+    make_mark(op - 3);
+    make_uint_array(op - 2, params, 3);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfont_op_defs[] =
+{
+    {"0currentfont", zcurrentfont},
+    {"2makefont", zmakefont},
+    {"2scalefont", zscalefont},
+    {"1setfont", zsetfont},
+    {"0cachestatus", zcachestatus},
+    {"1setcachelimit", zsetcachelimit},
+    {"1setcacheparams", zsetcacheparams},
+    {"0currentcacheparams", zcurrentcacheparams},
+    op_def_end(zfont_init)
+};
+
+/* ------ Subroutines ------ */
+
+/* Validate a font parameter. */
+int
+font_param(const ref * pfdict, gs_font ** ppfont)
+{	/*
+	 * Check that pfdict is a read-only dictionary, that it has a FID
+	 * entry whose value is a fontID, and that the fontID points to a
+	 * gs_font structure whose associated PostScript dictionary is
+	 * pfdict.
+	 */
+    ref *pid;
+    gs_font *pfont;
+    const font_data *pdata;
+
+    check_type(*pfdict, t_dictionary);
+    if (dict_find_string(pfdict, "FID", &pid) <= 0 ||
+	!r_has_type(pid, t_fontID)
+	)
+	return_error(e_invalidfont);
+    pfont = r_ptr(pid, gs_font);
+    pdata = pfont->client_data;
+    if (!obj_eq(&pdata->dict, pfdict))
+	return_error(e_invalidfont);
+    *ppfont = pfont;
+    if (pfont == 0)
+	return_error(e_invalidfont);	/* unregistered font */
+    return 0;
+}
+
+/* Add the FID entry to a font dictionary. */
+int
+add_FID(ref * fp /* t_dictionary */ , gs_font * pfont)
+{
+    ref fid;
+
+    make_tav_new(&fid, t_fontID, a_readonly | icurrent_space,
+		 pstruct, (void *)pfont);
+    return dict_put_string(fp, "FID", &fid);
+}
+
+/* Make a transformed font (common code for makefont/scalefont). */
+private int
+make_font(os_ptr op, const gs_matrix * pmat)
+{
+    os_ptr fp = op - 1;
+    gs_font *oldfont, *newfont;
+    int code;
+    ref *pencoding = 0;
+
+    code = font_param(fp, &oldfont);
+    if (code < 0)
+	return code;
+    {
+	uint space = ialloc_space(idmemory);
+
+	ialloc_set_space(idmemory, r_space(fp));
+	if (dict_find_string(fp, "Encoding", &pencoding) > 0 &&
+	    !r_is_array(pencoding)
+	    )
+	    code = gs_note_error(e_invalidfont);
+	else {
+		/*
+		 * Temporarily substitute the new dictionary
+		 * for the old one, in case the Encoding changed.
+		 */
+	    ref olddict;
+
+	    olddict = *pfont_dict(oldfont);
+	    *pfont_dict(oldfont) = *fp;
+	    code = gs_makefont(ifont_dir, oldfont, pmat, &newfont);
+	    *pfont_dict(oldfont) = olddict;
+	}
+	ialloc_set_space(idmemory, space);
+    }
+    if (code < 0)
+	return code;
+    /*
+     * We have to allow for the possibility that the font's Encoding
+     * is different from that of the base font.  Note that the
+     * font_data of the new font was simply copied from the old one.
+     */
+    if (pencoding != 0 &&
+	!obj_eq(pencoding, &pfont_data(newfont)->Encoding)
+	) {
+	if (newfont->FontType == ft_composite)
+	    return_error(e_rangecheck);
+	/* We should really do validity checking here.... */
+	ref_assign(&pfont_data(newfont)->Encoding, pencoding);
+	lookup_gs_simple_font_encoding((gs_font_base *) newfont);
+    }
+    *fp = *pfont_dict(newfont);
+    pop(1);
+    return 0;
+}
+/* Create the transformed font dictionary. */
+/* This is the make_font completion procedure for all non-composite fonts */
+/* created at the interpreter level (see build_gs_simple_font in zfont2.c.) */
+int
+zbase_make_font(gs_font_dir * pdir, const gs_font * oldfont,
+		const gs_matrix * pmat, gs_font ** ppfont)
+{
+    /*
+     * We must call gs_base_make_font so that the XUID gets copied
+     * if necessary.
+     */
+    int code = gs_base_make_font(pdir, oldfont, pmat, ppfont);
+
+    if (code < 0)
+	return code;
+    return zdefault_make_font(pdir, oldfont, pmat, ppfont);
+}
+int
+zdefault_make_font(gs_font_dir * pdir, const gs_font * oldfont,
+		   const gs_matrix * pmat, gs_font ** ppfont)
+{
+    gs_font *newfont = *ppfont;
+    ref *fp = pfont_dict(oldfont);
+    font_data *pdata;
+    ref newdict, newmat, scalemat;
+    uint dlen = dict_maxlength(fp);
+    uint mlen = dict_length(fp) + 3;	/* FontID, OrigFont, ScaleMatrix */
+    int code;
+
+    if (dlen < mlen)
+	dlen = mlen;
+    if ((pdata = ialloc_struct(font_data, &st_font_data,
+			       "make_font(font_data)")) == 0
+	)
+	return_error(e_VMerror);
+    if ((code = dict_create(dlen, &newdict)) < 0 ||
+	(code = dict_copy(fp, &newdict)) < 0 ||
+    (code = ialloc_ref_array(&newmat, a_all, 12, "make_font(matrices)")) < 0
+	)
+	return code;
+    refset_null(newmat.value.refs, 12);
+    ref_assign(&scalemat, &newmat);
+    r_set_size(&scalemat, 6);
+    scalemat.value.refs += 6;
+    /*
+     * Create the scaling matrix.  We could do this several different
+     * ways: by "dividing" the new FontMatrix by the base FontMatrix, by
+     * multiplying the current scaling matrix by a ScaleMatrix kept in
+     * the gs_font, or by multiplying the current scaling matrix by the
+     * ScaleMatrix from the font dictionary.  We opt for the last of
+     * these.
+     */
+    {
+	gs_matrix scale, prev_scale;
+	ref *ppsm;
+
+	if (!(dict_find_string(fp, "ScaleMatrix", &ppsm) > 0 &&
+	      read_matrix(ppsm, &prev_scale) >= 0 &&
+	      gs_matrix_multiply(pmat, &prev_scale, &scale) >= 0)
+	    )
+	    scale = *pmat;
+	write_matrix(&scalemat, &scale);
+    }
+    r_clear_attrs(&scalemat, a_write);
+    r_set_size(&newmat, 6);
+    write_matrix(&newmat, &newfont->FontMatrix);
+    r_clear_attrs(&newmat, a_write);
+    if ((code = dict_put_string(&newdict, "FontMatrix", &newmat)) < 0 ||
+	(code = dict_put_string(&newdict, "OrigFont", pfont_dict(oldfont->base))) < 0 ||
+	(code = dict_put_string(&newdict, "ScaleMatrix", &scalemat)) < 0 ||
+	(code = add_FID(&newdict, newfont)) < 0
+	)
+	return code;
+    newfont->client_data = pdata;
+    *pdata = *pfont_data(oldfont);
+    pdata->dict = newdict;
+    r_clear_attrs(dict_access_ref(&newdict), a_write);
+    return 0;
+}
+
+/* Convert an array of (unsigned) integers to stack form. */
+private void
+make_uint_array(register os_ptr op, const uint * intp, int count)
+{
+    int i;
+
+    for (i = 0; i < count; i++, op++, intp++)
+	make_int(op, *intp);
+}
+
+/* Remove scaled font and character cache entries that would be */
+/* invalidated by a restore. */
+private bool
+purge_if_name_removed(cached_char * cc, void *vsave)
+{
+    return alloc_name_index_is_since_save(cc->code, vsave);
+}
+void
+font_restore(const alloc_save_t * save)
+{
+    gs_font_dir *pdir = ifont_dir;
+
+    if (pdir == 0)		/* not initialized yet */
+	return;
+
+    /* Purge original (unscaled) fonts. */
+
+    {
+	gs_font *pfont;
+
+otop:
+	for (pfont = pdir->orig_fonts; pfont != 0;
+	     pfont = pfont->next
+	    ) {
+	    if (alloc_is_since_save((char *)pfont, save)) {
+		gs_purge_font(pfont);
+		goto otop;
+	    }
+	}
+    }
+
+    /* Purge cached scaled fonts. */
+
+    {
+	gs_font *pfont;
+
+top:
+	for (pfont = pdir->scaled_fonts; pfont != 0;
+	     pfont = pfont->next
+	    ) {
+	    if (alloc_is_since_save((char *)pfont, save)) {
+		gs_purge_font(pfont);
+		goto top;
+	    }
+	}
+    }
+
+    /* Purge xfonts and uncached scaled fonts. */
+
+    {
+	cached_fm_pair *pair;
+	uint n;
+
+	for (pair = pdir->fmcache.mdata, n = pdir->fmcache.mmax;
+	     n > 0; pair++, n--
+	    )
+	    if (!fm_pair_is_free(pair)) {
+		if ((uid_is_XUID(&pair->UID) &&
+		     alloc_is_since_save((char *)pair->UID.xvalues,
+					 save))
+		    ) {
+		    gs_purge_fm_pair(pdir, pair, 0);
+		    continue;
+		}
+		if (pair->font != 0 &&
+		    alloc_is_since_save((char *)pair->font, save)
+		    ) {
+		    if (!uid_is_valid(&pair->UID)) {
+			gs_purge_fm_pair(pdir, pair, 0);
+			continue;
+		    }
+		    /* Don't discard pairs with a surviving UID. */
+		    pair->font = 0;
+		}
+		if (pair->xfont != 0 &&
+		    alloc_is_since_save((char *)pair->xfont, save)
+		    )
+		    gs_purge_fm_pair(pdir, pair, 1);
+	    }
+    }
+
+    /* Purge characters with names about to be removed. */
+    /* We only need to do this if any new names have been created */
+    /* since the save. */
+
+    if (alloc_any_names_since_save(save))
+	gx_purge_selected_cached_chars(pdir, purge_if_name_removed,
+				       (void *)save);
+
+}
diff --git a/pstoraster/zfont0.c b/pstoraster/zfont0.c
new file mode 100644
index 000000000..a331047ce
--- /dev/null
+++ b/pstoraster/zfont0.c
@@ -0,0 +1,346 @@
+/* Copyright (C) 1991, 1992, 1993, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Composite font creation operator */
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+/*
+ * The following lines used to say:
+ *      #include "gsmatrix.h"
+ *      #include "gxdevice.h"           /. for gxfont.h ./
+ * Tony Li says the longer list is necessary to keep the GNU compiler
+ * happy, but this is pretty hard to understand....
+ */
+#include "gxfixed.h"
+#include "gxmatrix.h"
+#include "gzstate.h"		/* must precede gxdevice */
+#include "gxdevice.h"		/* must precede gxfont */
+#include "gschar.h"
+#include "gxfcmap.h"
+#include "gxfont.h"
+#include "gxfont0.h"
+#include "bfont.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "iname.h"
+#include "store.h"
+
+/* Composite font procedures */
+extern font_proc_init_fstack(gs_type0_init_fstack);
+extern font_proc_define_font(gs_type0_define_font);
+extern font_proc_make_font(gs_type0_make_font);
+extern font_proc_next_glyph(gs_type0_next_glyph);
+
+/* Imported from zfcmap.c */
+int ztype0_get_cmap(P3(const gs_cmap ** ppcmap, const ref * pfdepvector,
+		       const ref * op));
+
+/* Forward references */
+private font_proc_define_font(ztype0_define_font);
+private font_proc_make_font(ztype0_make_font);
+private int ensure_char_entry(P4(os_ptr, const char *, byte *, int));
+
+/* <string|name> <font_dict> .buildfont0 <string|name> <font> */
+/* Build a type 0 (composite) font. */
+private int
+zbuildfont0(os_ptr op)
+{
+    gs_type0_data data;
+    ref fdepvector;
+    ref *pprefenc;
+    gs_font_type0 *pfont;
+    font_data *pdata;
+    ref save_FID;
+    int i;
+    int code = 0;
+
+    check_type(*op, t_dictionary);
+    {
+	ref *pfmaptype;
+	ref *pfdepvector;
+
+	if (dict_find_string(op, "FMapType", &pfmaptype) <= 0 ||
+	    !r_has_type(pfmaptype, t_integer) ||
+	    pfmaptype->value.intval < (int)fmap_type_min ||
+	    pfmaptype->value.intval > (int)fmap_type_max ||
+	    dict_find_string(op, "FDepVector", &pfdepvector) <= 0 ||
+	    !r_is_array(pfdepvector)
+	    )
+	    return_error(e_invalidfont);
+	data.FMapType = (fmap_type) pfmaptype->value.intval;
+	/*
+	 * Adding elements below could cause the font dictionary to be
+	 * resized, which would invalidate pfdepvector.
+	 */
+	fdepvector = *pfdepvector;
+    }
+    /* Check that every element of the FDepVector is a font. */
+    data.fdep_size = r_size(&fdepvector);
+    for (i = 0; i < data.fdep_size; i++) {
+	ref fdep;
+	gs_font *psub;
+
+	array_get(&fdepvector, i, &fdep);
+	if ((code = font_param(&fdep, &psub)) < 0)
+	    return code;
+	/*
+	 * Check the inheritance rules.  Allowed configurations
+	 * (paths from root font) are defined by the regular
+	 * expression:
+	 *      (shift | double_escape escape* | escape*)
+	 *        non_modal* non_composite
+	 */
+	if (psub->FontType == ft_composite) {
+	    const gs_font_type0 *const psub0 = (const gs_font_type0 *)psub;
+	    fmap_type fmt = psub0->data.FMapType;
+
+	    if (fmt == fmap_double_escape ||
+		fmt == fmap_shift ||
+		(fmt == fmap_escape &&
+		 !(data.FMapType == fmap_escape ||
+		   data.FMapType == fmap_double_escape))
+		)
+		return_error(e_invalidfont);
+	}
+    }
+    switch (data.FMapType) {
+	case fmap_escape:
+	case fmap_double_escape:	/* need EscChar */
+	    code = ensure_char_entry(op, "EscChar", &data.EscChar, 255);
+	    break;
+	case fmap_shift:	/* need ShiftIn & ShiftOut */
+	    code = ensure_char_entry(op, "ShiftIn", &data.ShiftIn, 15);
+	    if (code >= 0)
+		code = ensure_char_entry(op, "ShiftOut", &data.ShiftOut, 14);
+	    break;
+	case fmap_SubsVector:	/* need SubsVector */
+	    {
+		ref *psubsvector;
+		uint svsize;
+
+		if (dict_find_string(op, "SubsVector", &psubsvector) <= 0 ||
+		    !r_has_type(psubsvector, t_string) ||
+		    (svsize = r_size(psubsvector)) == 0 ||
+		(data.subs_width = (int)*psubsvector->value.bytes + 1) > 4 ||
+		    (svsize - 1) % data.subs_width != 0
+		    )
+		    return_error(e_invalidfont);
+		data.subs_size = (svsize - 1) / data.subs_width;
+		data.SubsVector.data = psubsvector->value.bytes + 1;
+		data.SubsVector.size = svsize - 1;
+	    } break;
+	case fmap_CMap:	/* need CMap */
+	    code = ztype0_get_cmap(&data.CMap, (const ref *)&fdepvector,
+				   (const ref *)op);
+	    break;
+	default:
+	    ;
+    }
+    if (code < 0)
+	return code;
+    /*
+     * Save the old FID in case we have to back out.
+     * build_gs_font will return an error if there is a FID entry
+     * but it doesn't reference a valid font.
+     */
+    {
+	ref *pfid;
+
+	if (dict_find_string(op, "FID", &pfid) <= 0)
+	    make_null(&save_FID);
+	else
+	    save_FID = *pfid;
+    }
+    {
+	build_proc_refs build;
+
+	code = build_proc_name_refs(&build,
+				    "%Type0BuildChar", "%Type0BuildGlyph");
+	if (code < 0)
+	    return code;
+	code = build_gs_font(op, (gs_font **) & pfont,
+			     ft_composite, &st_gs_font_type0, &build,
+			     bf_options_none);
+    }
+    if (code != 0)
+	return code;
+    /* Fill in the rest of the basic font data. */
+    pfont->procs.init_fstack = gs_type0_init_fstack;
+    pfont->procs.next_char = 0;	/* superseded by next_glyph */
+    pfont->procs.define_font = ztype0_define_font;
+    pfont->procs.make_font = ztype0_make_font;
+    pfont->procs.next_glyph = gs_type0_next_glyph;
+    if (dict_find_string(op, "PrefEnc", &pprefenc) <= 0) {
+	ref nul;
+
+	make_null_new(&nul);
+	if ((code = dict_put_string(op, "PrefEnc", &nul)) < 0)
+	    goto fail;
+    }
+    /* Fill in the font data */
+    pdata = pfont_data(pfont);
+    data.encoding_size = r_size(&pdata->Encoding);
+    data.Encoding =
+	(uint *) ialloc_byte_array(data.encoding_size, sizeof(uint),
+				   "buildfont0(Encoding)");
+    if (data.Encoding == 0) {
+	code = gs_note_error(e_VMerror);
+	goto fail;
+    }
+    /* Fill in the encoding vector, checking to make sure that */
+    /* each element is an integer between 0 and fdep_size-1. */
+    for (i = 0; i < data.encoding_size; i++) {
+	ref enc;
+
+	array_get(&pdata->Encoding, i, &enc);
+	if (!r_has_type(&enc, t_integer)) {
+	    code = gs_note_error(e_typecheck);
+	    goto fail;
+	}
+	if ((ulong) enc.value.intval >= data.fdep_size) {
+	    code = gs_note_error(e_rangecheck);
+	    goto fail;
+	}
+	data.Encoding[i] = (uint) enc.value.intval;
+    }
+    data.FDepVector =
+	ialloc_struct_array(data.fdep_size, gs_font *,
+			    &st_gs_font_ptr_element,
+			    "buildfont0(FDepVector)");
+    if (data.FDepVector == 0) {
+	code = gs_note_error(e_VMerror);
+	goto fail;
+    }
+    for (i = 0; i < data.fdep_size; i++) {
+	ref fdep;
+	ref *pfid;
+
+	array_get(&fdepvector, i, &fdep);
+	/* The lookup can't fail, because of the pre-check above. */
+	dict_find_string(&fdep, "FID", &pfid);
+	data.FDepVector[i] = r_ptr(pfid, gs_font);
+    }
+    pfont->data = data;
+    code = define_gs_font((gs_font *) pfont);
+    if (code >= 0)
+	return code;
+fail:
+	/* Undo the insertion of the FID entry in the dictionary. */
+    if (r_has_type(&save_FID, t_null)) {
+	ref rnfid;
+
+	name_enter_string("FID", &rnfid);
+	dict_undef(op, &rnfid);
+    } else
+	dict_put_string(op, "FID", &save_FID);
+    gs_free_object(pfont->memory, pfont, "buildfont0(font)");
+    return code;
+}
+/* If a newly defined or scaled composite font had to scale */
+/* any composite sub-fonts, adjust the parent font's FDepVector. */
+/* This is called only if gs_type0_define/make_font */
+/* actually changed the FDepVector. */
+private int
+ztype0_adjust_FDepVector(gs_font_type0 * pfont)
+{
+    gs_font **pdep = pfont->data.FDepVector;
+    ref newdep;
+    uint fdep_size = pfont->data.fdep_size;
+    ref *prdep;
+    uint i;
+    int code = ialloc_ref_array(&newdep, a_readonly, fdep_size,
+				"ztype0_adjust_matrix");
+
+    if (code < 0)
+	return code;
+    for (prdep = newdep.value.refs, i = 0; i < fdep_size; i++, prdep++) {
+	const ref *pdict = pfont_dict(pdep[i]);
+
+	ref_assign_new(prdep, pdict);
+    }
+    return dict_put_string(pfont_dict(pfont), "FDepVector", &newdep);
+}
+private int
+ztype0_define_font(gs_font_dir * pdir, gs_font * pfont)
+{
+    gs_font_type0 *const pfont0 = (gs_font_type0 *)pfont;
+    gs_font **pdep = pfont0->data.FDepVector;
+    int code = gs_type0_define_font(pdir, pfont);
+
+    if (code < 0 || pfont0->data.FDepVector == pdep)
+	return code;
+    return ztype0_adjust_FDepVector(pfont0);
+}
+private int
+ztype0_make_font(gs_font_dir * pdir, const gs_font * pfont,
+		 const gs_matrix * pmat, gs_font ** ppfont)
+{
+    gs_font_type0 **const ppfont0 = (gs_font_type0 **)ppfont;
+    gs_font **pdep = (*ppfont0)->data.FDepVector;
+    int code;
+
+    code = zdefault_make_font(pdir, pfont, pmat, ppfont);
+    if (code < 0)
+	return code;
+    code = gs_type0_make_font(pdir, pfont, pmat, ppfont);
+    if (code < 0)
+	return code;
+    if ((*ppfont0)->data.FDepVector == pdep)
+	return 0;
+    return ztype0_adjust_FDepVector(*ppfont0);
+}
+
+/* ------ Internal routines ------ */
+
+/* Find or add a character entry in a font dictionary. */
+private int
+ensure_char_entry(os_ptr op, const char *kstr,
+		  byte * pvalue, int default_value)
+{
+    ref *pentry;
+
+    if (dict_find_string(op, kstr, &pentry) <= 0) {
+	ref ent;
+
+	make_int(&ent, default_value);
+	*pvalue = (byte) default_value;
+	return dict_put_string(op, kstr, &ent);
+    } else {
+	check_int_leu_only(*pentry, 255);
+	*pvalue = (byte) pentry->value.intval;
+	return 0;
+    }
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfont0_op_defs[] =
+{
+    {"2.buildfont0", zbuildfont0},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfont1.c b/pstoraster/zfont1.c
new file mode 100644
index 000000000..525167bc1
--- /dev/null
+++ b/pstoraster/zfont1.c
@@ -0,0 +1,291 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 1 and Type 4 font creation operator */
+#include "ghost.h"
+#include "oper.h"
+#include "gxfixed.h"
+#include "gsmatrix.h"
+#include "gxdevice.h"
+#include "gschar.h"
+#include "gxfont.h"
+#include "gxfont1.h"
+#include "bfont.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "store.h"
+
+/*#define TEST*/
+
+/* Type 1 auxiliary procedures (defined in zchar1.c) */
+extern const gs_type1_data_procs_t z1_data_procs;
+
+/* Default value of lenIV */
+#define DEFAULT_LENIV_1 4
+#define DEFAULT_LENIV_2 (-1)
+
+/* Private utilities */
+private uint
+subr_bias(const ref * psubrs)
+{
+    uint size = r_size(psubrs);
+
+    return (size < 1240 ? 107 : size < 33900 ? 1131 : 32768);
+}
+private void
+find_zone_height(float *pmax_height, int count, const float *values)
+{
+    int i;
+    float zone_height;
+
+    for (i = 0; i < count; i += 2)
+	if ((zone_height = values[i + 1] - values[i]) > *pmax_height)
+	    *pmax_height = zone_height;
+}
+
+/* Build a Type 1 or Type 4 font. */
+private int
+buildfont1or4(os_ptr op, build_proc_refs * pbuild, font_type ftype,
+	      build_font_options_t options)
+{
+    gs_type1_data data1;
+    ref no_subrs;
+    ref *pothersubrs = &no_subrs;
+    ref *psubrs = &no_subrs;
+    ref *pglobalsubrs = &no_subrs;
+    ref *pprivate;
+    gs_font_type1 *pfont;
+    font_data *pdata;
+    int code;
+
+    check_type(*op, t_dictionary);
+    if (dict_find_string(op, "Private", &pprivate) <= 0 ||
+	!r_has_type(pprivate, t_dictionary)
+	)
+	return_error(e_invalidfont);
+    make_empty_array(&no_subrs, 0);
+    if (dict_find_string(pprivate, "OtherSubrs", &pothersubrs) > 0) {
+	if (!r_is_array(pothersubrs))
+	    return_error(e_typecheck);
+    }
+    if (dict_find_string(pprivate, "Subrs", &psubrs) > 0) {
+	if (!r_is_array(psubrs))
+	    return_error(e_typecheck);
+    }
+    if ((code = dict_int_param(op, "CharstringType", 1, 2, 1,
+			       &data1.CharstringType)) < 0
+	)
+	return code;
+    /* Get information specific to Type 2 charstrings. */
+    if (data1.CharstringType == 2) {
+	float dwx, nwx;
+
+	data1.subroutineNumberBias = subr_bias(psubrs);
+	if (dict_find_string(pprivate, "GlobalSubrs", &pglobalsubrs) > 0) {
+	    if (!r_is_array(pglobalsubrs))
+		return_error(e_typecheck);
+	}
+	data1.gsubrNumberBias = subr_bias(pglobalsubrs);
+	if ((code = dict_uint_param(pprivate, "gsubrNumberBias",
+				    0, max_uint, data1.gsubrNumberBias,
+				    &data1.gsubrNumberBias)) < 0 ||
+	    (code = dict_float_param(pprivate, "defaultWidthX", 0.0,
+				     &dwx)) < 0 ||
+	    (code = dict_float_param(pprivate, "nominalWidthX", 0.0,
+				     &nwx)) < 0
+	    )
+	    return code;
+	data1.defaultWidthX = float2fixed(dwx);
+	data1.nominalWidthX = float2fixed(nwx);
+	{
+	    ref *pirs;
+
+	    if (dict_find_string(pprivate, "initialRandomSeed", &pirs) <= 0)
+		data1.initialRandomSeed = 0;
+	    else if (!r_has_type(pirs, t_integer))
+		return_error(e_typecheck);
+	    else
+		data1.initialRandomSeed = pirs->value.intval;
+	}
+	data1.lenIV = DEFAULT_LENIV_2;
+    } else {
+	data1.subroutineNumberBias = 0;
+	data1.gsubrNumberBias = 0;
+	data1.lenIV = DEFAULT_LENIV_1;
+    }
+    /* Get the rest of the information from the Private dictionary. */
+    if ((code = dict_int_param(pprivate, "lenIV", -1, 255, data1.lenIV,
+			       &data1.lenIV)) < 0 ||
+	(code = dict_uint_param(pprivate, "subroutineNumberBias",
+				0, max_uint, data1.subroutineNumberBias,
+				&data1.subroutineNumberBias)) < 0 ||
+	(code = dict_int_param(pprivate, "BlueFuzz", 0, 1999, 1,
+			       &data1.BlueFuzz)) < 0 ||
+	(code = dict_float_param(pprivate, "BlueScale", 0.039625,
+				 &data1.BlueScale)) < 0 ||
+	(code = dict_float_param(pprivate, "BlueShift", 7.0,
+				 &data1.BlueShift)) < 0 ||
+	(code = data1.BlueValues.count =
+	 dict_float_array_param(pprivate, "BlueValues", max_BlueValues * 2,
+				&data1.BlueValues.values[0], NULL)) < 0 ||
+	(code = dict_float_param(pprivate, "ExpansionFactor", 0.06,
+				 &data1.ExpansionFactor)) < 0 ||
+	(code = data1.FamilyBlues.count =
+	 dict_float_array_param(pprivate, "FamilyBlues", max_FamilyBlues * 2,
+				&data1.FamilyBlues.values[0], NULL)) < 0 ||
+	(code = data1.FamilyOtherBlues.count =
+	 dict_float_array_param(pprivate,
+				"FamilyOtherBlues", max_FamilyOtherBlues * 2,
+			    &data1.FamilyOtherBlues.values[0], NULL)) < 0 ||
+	(code = dict_bool_param(pprivate, "ForceBold", false,
+				&data1.ForceBold)) < 0 ||
+	(code = dict_int_param(pprivate, "LanguageGroup", 0, 1, 0,
+			       &data1.LanguageGroup)) < 0 ||
+	(code = data1.OtherBlues.count =
+	 dict_float_array_param(pprivate, "OtherBlues", max_OtherBlues * 2,
+				&data1.OtherBlues.values[0], NULL)) < 0 ||
+	(code = dict_bool_param(pprivate, "RndStemUp", true,
+				&data1.RndStemUp)) < 0 ||
+	(code = data1.StdHW.count =
+	 dict_float_array_param(pprivate, "StdHW", 1,
+				&data1.StdHW.values[0], NULL)) < 0 ||
+	(code = data1.StdVW.count =
+	 dict_float_array_param(pprivate, "StdVW", 1,
+				&data1.StdVW.values[0], NULL)) < 0 ||
+	(code = data1.StemSnapH.count =
+	 dict_float_array_param(pprivate, "StemSnapH", max_StemSnap,
+				&data1.StemSnapH.values[0], NULL)) < 0 ||
+	(code = data1.StemSnapV.count =
+	 dict_float_array_param(pprivate, "StemSnapV", max_StemSnap,
+				&data1.StemSnapV.values[0], NULL)) < 0 ||
+    /* The WeightVector is in the font dictionary, not Private. */
+	(code = data1.WeightVector.count =
+	 dict_float_array_param(op, "WeightVector", max_WeightVector,
+				data1.WeightVector.values, NULL)) < 0
+	)
+	return code;
+    /*
+     * According to section 5.6 of the "Adobe Type 1 Font Format",
+     * there is a requirement that BlueScale times the maximum
+     * alignment zone height must be less than 1.  Some fonts
+     * produced by Fontographer have ridiculously large BlueScale
+     * values, so we force BlueScale back into range here.
+     */
+    {
+	float max_zone_height = 1.0;
+
+#define SCAN_ZONE(z)\
+    find_zone_height(&max_zone_height, data1.z.count, data1.z.values);
+
+	SCAN_ZONE(BlueValues);
+	SCAN_ZONE(OtherBlues);
+	SCAN_ZONE(FamilyBlues);
+	SCAN_ZONE(FamilyOtherBlues);
+
+#undef SCAN_ZONE
+
+	if (data1.BlueScale * max_zone_height > 1.0)
+	    data1.BlueScale = 1.0 / max_zone_height;
+    }
+    /* Do the work common to primitive font types. */
+    code = build_gs_primitive_font(op, (gs_font_base **) & pfont, ftype,
+				   &st_gs_font_type1, pbuild, options);
+    if (code != 0)
+	return code;
+    /* This is a new font, fill it in. */
+    pdata = pfont_data(pfont);
+    pfont->data = data1;
+    ref_assign(&pdata->u.type1.OtherSubrs, pothersubrs);
+    ref_assign(&pdata->u.type1.Subrs, psubrs);
+    ref_assign(&pdata->u.type1.GlobalSubrs, pglobalsubrs);
+    pfont->data.procs = &z1_data_procs;
+    pfont->data.proc_data = (char *)pdata;
+    return define_gs_font((gs_font *)pfont);
+}
+
+/* <string|name> <font_dict> .buildfont1 <string|name> <font> */
+/* Build a type 1 (Adobe encrypted) font. */
+private int
+zbuildfont1(os_ptr op)
+{
+    build_proc_refs build;
+    int code = build_proc_name_refs(&build,
+				    "%Type1BuildChar", "%Type1BuildGlyph");
+
+    if (code < 0)
+	return code;
+    return buildfont1or4(op, &build, ft_encrypted, bf_notdef_required);
+}
+
+/* <string|name> <font_dict> .buildfont4 <string|name> <font> */
+/* Build a type 4 (disk-based Adobe encrypted) font. */
+private int
+zbuildfont4(os_ptr op)
+{
+    build_proc_refs build;
+    int code = build_gs_font_procs(op, &build);
+
+    if (code < 0)
+	return code;
+    return buildfont1or4(op, &build, ft_disk_based, bf_options_none);
+}
+
+#ifdef TEST
+
+#include "igstate.h"
+#include "stream.h"
+#include "files.h"
+
+/* <file> .printfont1 - */
+private int
+zprintfont1(os_ptr op)
+{
+    const gs_font *pfont = gs_currentfont(igs);
+    stream *s;
+    int code;
+
+    if (pfont->FontType != ft_encrypted)
+	return_error(e_rangecheck);
+    check_write_file(s, op);
+    code = psdf_embed_type1_font(s, (gs_font_type1 *) pfont);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+#endif
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfont1_op_defs[] =
+{
+    {"2.buildfont1", zbuildfont1},
+    {"2.buildfont4", zbuildfont4},
+#ifdef TEST
+    {"2.printfont1", zprintfont1},
+#endif
+    op_def_end(0)
+};
diff --git a/pstoraster/zfont2.c b/pstoraster/zfont2.c
new file mode 100644
index 000000000..0ef13e82b
--- /dev/null
+++ b/pstoraster/zfont2.c
@@ -0,0 +1,553 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Font creation utilities */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gxfixed.h"
+#include "gsmatrix.h"
+#include "gxdevice.h"
+#include "gschar.h"
+#include "gxfont.h"
+#include "bfont.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ilevel.h"
+#include "iname.h"
+#include "interp.h"		/* for initial_enter_name */
+#include "ipacked.h"
+#include "istruct.h"
+#include "store.h"
+
+/* Registered encodings.  See ifont.h for documentation. */
+ref registered_Encodings;
+private ref *const registered_Encodings_p = &registered_Encodings;
+
+/* Structure descriptor */
+public_st_font_data();
+
+/* Initialize the font building operators */
+private void
+zfont2_init(void)
+{				/* Initialize the registered Encodings. */
+    int i;
+
+    ialloc_ref_array(&registered_Encodings, a_all,
+		     registered_Encodings_countof,
+		     "registered_Encodings");
+    for (i = 0; i < registered_Encodings_countof; i++)
+	make_empty_array(&registered_Encoding(i), 0);
+    initial_enter_name("registeredencodings", &registered_Encodings);
+    gs_register_ref_root(imemory, NULL, (void **)&registered_Encodings_p,
+			 "registered_Encodings");
+}
+
+/* <string|name> <font_dict> .buildfont3 <string|name> <font> */
+/* Build a type 3 (user-defined) font. */
+private int
+zbuildfont3(os_ptr op)
+{
+    int code;
+    build_proc_refs build;
+    gs_font_base *pfont;
+
+    check_type(*op, t_dictionary);
+    code = build_gs_font_procs(op, &build);
+    if (code < 0)
+	return code;
+    code = build_gs_simple_font(op, &pfont, ft_user_defined,
+				&st_gs_font_base, &build, bf_options_none);
+    if (code < 0)
+	return code;
+    return define_gs_font((gs_font *) pfont);
+}
+
+/* Encode a character. */
+private gs_glyph
+zfont_encode_char(gs_show_enum * penum, gs_font * pfont, gs_char * pchr)
+{
+    const ref *pencoding = &pfont_data(pfont)->Encoding;
+    ulong index = *pchr;	/* work around VAX widening bug */
+    ref cname;
+    int code = array_get(pencoding, (long)index, &cname);
+
+    if (code < 0 || !r_has_type(&cname, t_name))
+	return gs_no_glyph;
+    return (gs_glyph) name_index(&cname);
+}
+
+/* Encode a character in a known encoding. */
+private gs_glyph
+zfont_known_encode(gs_char chr, int encoding_index)
+{
+    ulong index = chr;		/* work around VAX widening bug */
+    ref cname;
+    int code;
+
+    if (encoding_index < 0)
+	return gs_no_glyph;
+    code = array_get(&registered_Encoding(encoding_index),
+		     (long)index, &cname);
+    if (code < 0 || !r_has_type(&cname, t_name))
+	return gs_no_glyph;
+    return (gs_glyph) name_index(&cname);
+}
+
+/* Get the name of a glyph. */
+/* The following typedef is needed to work around a bug in */
+/* some AIX C compilers. */
+typedef const char *const_chars;
+private const_chars
+zfont_glyph_name(gs_glyph index, uint * plen)
+{
+    ref nref, sref;
+
+    if (index >= gs_min_cid_glyph) {	/* Fabricate a numeric name. */
+	char cid_name[sizeof(gs_glyph) * 3 + 1];
+	int code;
+
+	sprintf(cid_name, "%lu", (ulong) index);
+	code = name_ref((const byte *)cid_name, strlen(cid_name),
+			&nref, 1);
+	if (code < 0)
+	    return 0;		/* What can we possibly do here? */
+    } else
+	name_index_ref(index, &nref);
+    name_string_ref(&nref, &sref);
+    *plen = r_size(&sref);
+    return (const char *)sref.value.const_bytes;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfont2_op_defs[] =
+{
+    {"2.buildfont3", zbuildfont3},
+    op_def_end(zfont2_init)
+};
+
+/* ------ Subroutines ------ */
+
+/* Convert strings to executable names for build_proc_refs. */
+int
+build_proc_name_refs(build_proc_refs * pbuild,
+		     const char *bcstr, const char *bgstr)
+{
+    int code;
+
+    if (!bcstr)
+	make_null(&pbuild->BuildChar);
+    else {
+	if ((code = name_ref((const byte *)bcstr, strlen(bcstr), &pbuild->BuildChar, 0)) < 0)
+	    return code;
+	r_set_attrs(&pbuild->BuildChar, a_executable);
+    }
+    if (!bgstr)
+	make_null(&pbuild->BuildGlyph);
+    else {
+	if ((code = name_ref((const byte *)bgstr, strlen(bgstr), &pbuild->BuildGlyph, 0)) < 0)
+	    return code;
+	r_set_attrs(&pbuild->BuildGlyph, a_executable);
+    }
+    return 0;
+}
+
+/* Get the BuildChar and/or BuildGlyph routines from a (base) font. */
+int
+build_gs_font_procs(os_ptr op, build_proc_refs * pbuild)
+{
+    int ccode, gcode;
+    ref *pBuildChar;
+    ref *pBuildGlyph;
+
+    check_type(*op, t_dictionary);
+    ccode = dict_find_string(op, "BuildChar", &pBuildChar);
+    gcode = dict_find_string(op, "BuildGlyph", &pBuildGlyph);
+    if (ccode <= 0) {
+	if (gcode <= 0)
+	    return_error(e_invalidfont);
+	make_null(&pbuild->BuildChar);
+    } else {
+	check_proc(*pBuildChar);
+	pbuild->BuildChar = *pBuildChar;
+    }
+    if (gcode <= 0)
+	make_null(&pbuild->BuildGlyph);
+    else {
+	check_proc(*pBuildGlyph);
+	pbuild->BuildGlyph = *pBuildGlyph;
+    }
+    return 0;
+}
+
+/* Do the common work for building a primitive font -- one whose execution */
+/* algorithm is implemented in C (Type 1, Type 4, or Type 42). */
+/* The caller guarantees that *op is a dictionary. */
+int
+build_gs_primitive_font(os_ptr op, gs_font_base ** ppfont, font_type ftype,
+			gs_memory_type_ptr_t pstype,
+			const build_proc_refs * pbuild,
+			build_font_options_t options)
+{
+    int painttype;
+    float strokewidth;
+    ref *pcharstrings = 0;
+    gs_font_base *pfont;
+    font_data *pdata;
+    int code;
+
+    code = dict_int_param(op, "PaintType", 0, 3, 0, &painttype);
+    if (code < 0)
+	return code;
+    code = dict_float_param(op, "StrokeWidth", 0.0, &strokewidth);
+    if (code < 0)
+	return code;
+    if (dict_find_string(op, "CharStrings", &pcharstrings) <= 0) {
+	if (!(options & bf_CharStrings_optional))
+	    return_error(e_invalidfont);
+    } else {
+	ref *ignore;
+
+	if (!r_has_type(pcharstrings, t_dictionary))
+	    return_error(e_invalidfont);
+	if ((options & bf_notdef_required) != 0 &&
+	    dict_find_string(pcharstrings, ".notdef", &ignore) <= 0
+	    )
+	    return_error(e_invalidfont);
+    }
+    code = build_gs_simple_font(op, &pfont, ftype, pstype, pbuild, options);
+    if (code != 0)
+	return code;
+    pfont->PaintType = painttype;
+    pfont->StrokeWidth = strokewidth;
+    pdata = pfont_data(pfont);
+    if (pcharstrings)
+	ref_assign(&pdata->CharStrings, pcharstrings);
+    else
+	make_null(&pdata->CharStrings);
+    /* Check that the UniqueIDs match.  This is part of the */
+    /* Adobe protection scheme, but we may as well emulate it. */
+    if (uid_is_valid(&pfont->UID) &&
+	!dict_check_uid_param(op, &pfont->UID)
+	)
+	uid_set_invalid(&pfont->UID);
+    *ppfont = pfont;
+    return 0;
+}
+
+/* Do the common work for building a font of any non-composite FontType. */
+/* The caller guarantees that *op is a dictionary. */
+int
+build_gs_simple_font(os_ptr op, gs_font_base ** ppfont, font_type ftype,
+		     gs_memory_type_ptr_t pstype,
+		     const build_proc_refs * pbuild,
+		     build_font_options_t options)
+{
+    double bbox[4];
+    gs_uid uid;
+    int code;
+    gs_font_base *pfont;
+
+    code = font_bbox_param(op, bbox);
+    if (code < 0)
+	return code;
+    if ((options & bf_FontBBox_required) &&
+	bbox[0] == 0 && bbox[1] == 0 && bbox[2] == 0 && bbox[3] == 0
+	)
+	return_error(e_invalidfont);
+    code = dict_uid_param(op, &uid, 0, imemory);
+    if (code < 0)
+	return code;
+    if ((options & bf_UniqueID_ignored) && uid_is_UniqueID(&uid))
+	uid_set_invalid(&uid);
+    code = build_gs_font(op, (gs_font **) ppfont, ftype, pstype, pbuild,
+			 options);
+    if (code != 0)		/* invalid or scaled font */
+	return code;
+    pfont = *ppfont;
+    pfont->procs.init_fstack = gs_default_init_fstack;
+    pfont->procs.next_char = gs_default_next_char;
+    pfont->procs.define_font = gs_no_define_font;
+    pfont->procs.make_font = zbase_make_font;
+    pfont->FontBBox.p.x = bbox[0];
+    pfont->FontBBox.p.y = bbox[1];
+    pfont->FontBBox.q.x = bbox[2];
+    pfont->FontBBox.q.y = bbox[3];
+    pfont->UID = uid;
+    lookup_gs_simple_font_encoding(pfont);
+    return 0;
+}
+
+/* Compare the encoding of a simple font with the registered encodings. */
+void
+lookup_gs_simple_font_encoding(gs_font_base * pfont)
+{
+    const ref *pfe = &pfont_data(pfont)->Encoding;
+    int index;
+
+    for (index = registered_Encodings_countof; --index >= 0;)
+	if (obj_eq(pfe, &registered_Encoding(index)))
+	    break;
+    pfont->encoding_index = index;
+    if (index < 0) {		/* Look for an encoding that's "close". */
+	int near_index = -1;
+	uint esize = r_size(pfe);
+	uint best = esize / 3;	/* must match at least this many */
+
+	for (index = registered_Encodings_countof; --index >= 0;) {
+	    const ref *pre = &registered_Encoding(index);
+	    bool r_packed = r_has_type(pre, t_shortarray);
+	    bool f_packed = !r_has_type(pfe, t_array);
+	    uint match = esize;
+	    int i;
+	    ref fchar, rchar;
+	    const ref *pfchar = &fchar;
+
+	    if (r_size(pre) != esize)
+		continue;
+	    for (i = esize; --i >= 0;) {
+		uint rnidx;
+
+		if (r_packed)
+		    rnidx = packed_name_index(pre->value.packed + i);
+		else {
+		    array_get(pre, (long)i, &rchar);
+		    rnidx = name_index(&rchar);
+		}
+		if (f_packed)
+		    array_get(pfe, (long)i, &fchar);
+		else
+		    pfchar = pfe->value.const_refs + i;
+		if (!r_has_type(pfchar, t_name) ||
+		    name_index(pfchar) != rnidx
+		    )
+		    if (--match <= best)
+			break;
+	    }
+	    if (match > best)
+		best = match,
+		    near_index = index;
+	}
+	index = near_index;
+    }
+    pfont->nearest_encoding_index = index;
+}
+
+/* Do the common work for building a font of any FontType. */
+/* The caller guarantees that *op is a dictionary. */
+/* op[-1] must be the key under which the font is being registered */
+/* in FontDirectory, normally a name or string. */
+/* Return 0 for a new font, 1 for a font made by makefont or scalefont, */
+/* or a negative error code. */
+private void get_font_name(P2(ref *, const ref *));
+private void copy_font_name(P2(gs_font_name *, const ref *));
+int
+build_gs_font(os_ptr op, gs_font ** ppfont, font_type ftype,
+	      gs_memory_type_ptr_t pstype, const build_proc_refs * pbuild,
+	      build_font_options_t options)
+{
+    ref kname, fname;		/* t_string */
+    ref *pftype;
+    ref *pfontname;
+    ref *pmatrix;
+    gs_matrix mat;
+    ref *pencoding = 0;
+    bool bitmapwidths;
+    int exactsize, inbetweensize, transformedchar;
+    int wmode;
+    int code;
+    gs_font *pfont;
+    ref *pfid;
+    ref *aop = dict_access_ref(op);
+
+    get_font_name(&kname, op - 1);
+    if (dict_find_string(op, "FontType", &pftype) <= 0 ||
+	!r_has_type(pftype, t_integer) ||
+	pftype->value.intval != (int)ftype ||
+	dict_find_string(op, "FontMatrix", &pmatrix) <= 0 ||
+	read_matrix(pmatrix, &mat) < 0
+	)
+	return_error(e_invalidfont);
+    if (dict_find_string(op, "Encoding", &pencoding) <= 0) {
+	if (!(options & bf_Encoding_optional))
+	    return_error(e_invalidfont);
+    } else {
+	if (!r_is_array(pencoding))
+	    return_error(e_invalidfont);
+    }
+    if (dict_find_string(op, "FontName", &pfontname) > 0)
+	get_font_name(&fname, pfontname);
+    else
+	make_empty_string(&fname, a_readonly);
+    if ((code = dict_int_param(op, "WMode", 0, 1, 0, &wmode)) < 0 ||
+	(code = dict_bool_param(op, "BitmapWidths", false, &bitmapwidths)) < 0 ||
+	(code = dict_int_param(op, "ExactSize", 0, 2, fbit_use_bitmaps, &exactsize)) < 0 ||
+	(code = dict_int_param(op, "InBetweenSize", 0, 2, fbit_use_outlines, &inbetweensize)) < 0 ||
+	(code = dict_int_param(op, "TransformedChar", 0, 2, fbit_use_outlines, &transformedchar)) < 0
+	)
+	return code;
+    code = dict_find_string(op, "FID", &pfid);
+    if (code > 0) {
+	if (!r_has_type(pfid, t_fontID))
+	    return_error(e_invalidfont);
+	/*
+	 * If this font has a FID entry already, it might be
+	 * a scaled font made by makefont or scalefont;
+	 * in a Level 2 environment, it might be an existing font
+	 * being registered under a second name, or a re-encoded
+	 * font (which is questionable PostScript, but dvips
+	 * is known to do this).
+	 */
+	pfont = r_ptr(pfid, gs_font);
+	if (pfont->base == pfont) {	/* original font */
+	    if (!level2_enabled)
+		return_error(e_invalidfont);
+	    if (obj_eq(pfont_dict(pfont), op)) {
+		*ppfont = pfont;
+		return 1;
+	    }
+	    /*
+	     * This is a re-encoded font, or some other
+	     * questionable situation in which the FID
+	     * was preserved.  Pretend the FID wasn't there.
+	     */
+	} else {		/* This was made by makefont or scalefont. */
+	    /* Just insert the new name. */
+	    code = 1;
+	    goto set_name;
+	}
+    }
+    /* This is a new font. */
+    if (!r_has_attr(aop, a_write))
+	return_error(e_invalidaccess);
+    {
+	font_data *pdata;
+	ref encoding;
+	/*
+	 * Make sure that we allocate the font data
+	 * in the same VM as the font dictionary.
+	 */
+	uint space = ialloc_space(idmemory);
+
+	/*
+	 * Since add_FID may resize the dictionary and cause
+	 * pencoding to become invalid, save the Encoding.
+	 */
+	if (pencoding)
+	    encoding = *pencoding;
+	ialloc_set_space(idmemory, r_space(op));
+	pfont = ialloc_struct(gs_font, pstype,
+			      "buildfont(font)");
+	pdata = ialloc_struct(font_data, &st_font_data,
+			      "buildfont(data)");
+	if (pfont == 0 || pdata == 0)
+	    code = gs_note_error(e_VMerror);
+	else
+	    code = add_FID(op, pfont);
+	if (code < 0) {
+	    ifree_object(pdata, "buildfont(data)");
+	    ifree_object(pfont, "buildfont(font)");
+	    ialloc_set_space(idmemory, space);
+	    return code;
+	}
+	refset_null((ref *) pdata, sizeof(font_data) / sizeof(ref));
+	ref_assign_new(&pdata->dict, op);
+	ref_assign_new(&pdata->BuildChar, &pbuild->BuildChar);
+	ref_assign_new(&pdata->BuildGlyph, &pbuild->BuildGlyph);
+	if (pencoding)
+	    ref_assign_new(&pdata->Encoding, &encoding);
+	/* Clear the chain pointers so as not to confuse the memory */
+	/* manager if we bail out after returning from here. */
+	pfont->next = pfont->prev = 0;
+	pfont->memory = imemory;
+	pfont->dir = 0;
+	pfont->base = pfont;
+	pfont->client_data = pdata;
+	pfont->FontType = ftype;
+	pfont->FontMatrix = mat;
+	pfont->BitmapWidths = bitmapwidths;
+	pfont->ExactSize = (fbit_type) exactsize;
+	pfont->InBetweenSize = (fbit_type) inbetweensize;
+	pfont->TransformedChar = (fbit_type) transformedchar;
+	pfont->WMode = wmode;
+	pfont->PaintType = 0;
+	pfont->StrokeWidth = 0.0;
+	pfont->procs.build_char = gs_no_build_char;
+	pfont->procs.encode_char = zfont_encode_char;
+	pfont->procs.callbacks.glyph_name = zfont_glyph_name;
+	pfont->procs.callbacks.known_encode = zfont_known_encode;
+	ialloc_set_space(idmemory, space);
+    }
+    code = 0;
+set_name:
+    copy_font_name(&pfont->key_name, &kname);
+    copy_font_name(&pfont->font_name, &fname);
+    *ppfont = pfont;
+    return code;
+}
+
+/* Get the string corresponding to a font name. */
+/* If the font name isn't a name or a string, return an empty string. */
+private void
+get_font_name(ref * pfname, const ref * op)
+{
+    switch (r_type(op)) {
+	case t_string:
+	    *pfname = *op;
+	    break;
+	case t_name:
+	    name_string_ref(op, pfname);
+	    break;
+	default:
+	    /* This is weird, but legal.... */
+	    make_empty_string(pfname, a_readonly);
+    }
+}
+
+/* Copy a font name into the gs_font structure. */
+private void
+copy_font_name(gs_font_name * pfstr, const ref * pfname)
+{
+    uint size = r_size(pfname);
+
+    if (size > gs_font_name_max)
+	size = gs_font_name_max;
+    memcpy(&pfstr->chars[0], pfname->value.const_bytes, size);
+    /* Following is only for debugging printout. */
+    pfstr->chars[size] = 0;
+    pfstr->size = size;
+}
+
+/* Finish building a font, by calling gs_definefont if needed. */
+int
+define_gs_font(gs_font * pfont)
+{
+    return (pfont->base == pfont && pfont->dir == 0 ?	/* i.e., unregistered original font */
+	    gs_definefont(ifont_dir, pfont) :
+	    0);
+}
diff --git a/pstoraster/zfont32.c b/pstoraster/zfont32.c
new file mode 100644
index 000000000..7fba978aa
--- /dev/null
+++ b/pstoraster/zfont32.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 32 font operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gsccode.h"		/* for gxfont.h */
+#include "gsmatrix.h"
+#include "gsutil.h"
+#include "gxfixed.h"		/* for gxchar.h */
+#include "gxchar.h"
+#include "gxfont.h"
+#include "bfont.h"
+#include "store.h"
+
+/* The encode_char procedure of a Type 32 font should never be called. */
+private gs_glyph
+zfont_no_encode_char(gs_show_enum * penum, gs_font * pfont, gs_char * pchr)
+{
+    return gs_no_glyph;
+}
+
+/* <string|name> <font_dict> .buildfont32 <string|name> <font> */
+/* Build a type 32 (bitmap) font. */
+private int
+zbuildfont32(os_ptr op)
+{
+    int code;
+    build_proc_refs build;
+    gs_font_base *pfont;
+
+    check_type(*op, t_dictionary);
+    code = build_proc_name_refs(&build, NULL, "%Type32BuildGlyph");
+    if (code < 0)
+	return code;
+    code = build_gs_simple_font(op, &pfont, ft_CID_bitmap, &st_gs_font_base,
+				&build, bf_Encoding_optional);
+    if (code < 0)
+	return code;
+    /* Always transform cached bitmaps. */
+    pfont->BitmapWidths = true;
+    pfont->ExactSize = fbit_transform_bitmaps;
+    pfont->InBetweenSize = fbit_transform_bitmaps;
+    pfont->TransformedChar = fbit_transform_bitmaps;
+    /* The encode_char procedure of a Type 32 font */
+    /* should never be called. */
+    pfont->procs.encode_char = zfont_no_encode_char;
+    return define_gs_font((gs_font *) pfont);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfont32_op_defs[] =
+{
+    {"2.buildfont32", zbuildfont32},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfont42.c b/pstoraster/zfont42.c
new file mode 100644
index 000000000..59278a265
--- /dev/null
+++ b/pstoraster/zfont42.c
@@ -0,0 +1,189 @@
+/* Copyright (C) 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type 42 font creation operator */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsccode.h"
+#include "gsmatrix.h"
+#include "gxfont.h"
+#include "gxfont42.h"
+#include "bfont.h"
+#include "idict.h"
+#include "idparam.h"
+#include "store.h"
+
+/* Forward references */
+private int z42_string_proc(P4(gs_font_type42 *, ulong, uint, const byte **));
+private int z42_gdir_get_outline(P3(gs_font_type42 *, uint, gs_const_string *));
+
+/* <string|name> <font_dict> .buildfont11/42 <string|name> <font> */
+/* Build a type 11 (TrueType CID-keyed) or 42 (TrueType) font. */
+int
+build_gs_TrueType_font(os_ptr op, font_type ftype, const char *bcstr,
+		       const char *bgstr, build_font_options_t options)
+{
+    build_proc_refs build;
+    ref sfnts, sfnts0, GlyphDirectory;
+    gs_font_type42 *pfont;
+    font_data *pdata;
+    int code;
+
+    code = build_proc_name_refs(&build, bcstr, bgstr);
+    if (code < 0)
+	return code;
+    check_type(*op, t_dictionary);
+    {
+	ref *psfnts;
+	ref *pGlyphDirectory;
+
+	if (dict_find_string(op, "sfnts", &psfnts) <= 0)
+	    return_error(e_invalidfont);
+	if ((code = array_get(psfnts, 0L, &sfnts0)) < 0)
+	    return code;
+	if (!r_has_type(&sfnts0, t_string))
+	    return_error(e_typecheck);
+	if (dict_find_string(op, "GlyphDirectory", &pGlyphDirectory) <= 0)
+	    make_null(&GlyphDirectory);
+	else if (!r_has_type(pGlyphDirectory, t_dictionary))
+	    return_error(e_typecheck);
+	else
+	    GlyphDirectory = *pGlyphDirectory;
+	/*
+	 * Since build_gs_primitive_font may resize the dictionary and cause
+	 * pointers to become invalid, save sfnts.
+	 */
+	sfnts = *psfnts;
+    }
+    code = build_gs_primitive_font(op, (gs_font_base **) & pfont, ftype,
+				   &st_gs_font_type42, &build, options);
+    if (code != 0)
+	return code;
+    pdata = pfont_data(pfont);
+    ref_assign(&pdata->u.type42.sfnts, &sfnts);
+    ref_assign(&pdata->u.type42.GlyphDirectory, &GlyphDirectory);
+    pfont->data.string_proc = z42_string_proc;
+    pfont->data.proc_data = (char *)pdata;
+    code = gs_type42_font_init(pfont);
+    if (code < 0)
+	return code;
+    /*
+     * Some versions of the Adobe PostScript Windows driver have a bug
+     * that causes them to output the FontBBox for Type 42 fonts in the
+     * 2048- or 4096-unit character space rather than a 1-unit space.
+     * Work around this here.
+     */
+    if (pfont->FontBBox.q.x - pfont->FontBBox.p.x > 100 ||
+	pfont->FontBBox.q.y - pfont->FontBBox.p.y > 100
+	) {
+	float upem = pfont->data.unitsPerEm;
+
+	pfont->FontBBox.p.x /= upem;
+	pfont->FontBBox.p.y /= upem;
+	pfont->FontBBox.q.x /= upem;
+	pfont->FontBBox.q.y /= upem;
+    }
+    /*
+     * Apparently Adobe versions 2015 and later use an alternate
+     * method of accessing character outlines: instead of loca and glyf,
+     * they use a dictionary called GlyphDirectory.  In this case,
+     * we use an alternate get_outline procedure.
+     */
+    if (!r_has_type(&GlyphDirectory, t_null))
+	pfont->data.get_outline = z42_gdir_get_outline;
+    return define_gs_font((gs_font *) pfont);
+}
+private int
+zbuildfont42(os_ptr op)
+{
+    return build_gs_TrueType_font(op, ft_TrueType, "%Type42BuildChar",
+				  "%Type42BuildGlyph", bf_options_none);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfont42_op_defs[] =
+{
+    {"2.buildfont42", zbuildfont42},
+    op_def_end(0)
+};
+
+/* Get an outline from GlyphDirectory instead of loca / glyf. */
+private int
+z42_gdir_get_outline(gs_font_type42 * pfont, uint glyph_index,
+		     gs_const_string * pgstr)
+{
+    const font_data *pfdata = pfont_data(pfont);
+    const ref *pgdir = &pfdata->u.type42.GlyphDirectory;
+    ref iglyph;
+    ref *pgdef;
+
+    make_int(&iglyph, glyph_index);
+    if (dict_find(pgdir, &iglyph, &pgdef) <= 0) {
+	pgstr->data = 0;
+	pgstr->size = 0;
+    } else if (!r_has_type(pgdef, t_string)) {
+	return_error(e_typecheck);
+    } else {
+	pgstr->data = pgdef->value.const_bytes;
+	pgstr->size = r_size(pgdef);
+    }
+    return 0;
+}
+
+/* Procedure for accessing the sfnts array. */
+private int
+z42_string_proc(gs_font_type42 * pfont, ulong offset, uint length,
+		const byte ** pdata)
+{
+    const font_data *pfdata = pfont_data(pfont);
+    ulong left = offset;
+    uint index = 0;
+
+    for (;; ++index) {
+	ref rstr;
+	int code = array_get(&pfdata->u.type42.sfnts, index, &rstr);
+	uint size;
+
+	if (code < 0)
+	    return code;
+	if (!r_has_type(&rstr, t_string))
+	    return_error(e_typecheck);
+	/*
+	 * NOTE: According to the Adobe documentation, each sfnts
+	 * string should have even length.  If the length is odd,
+	 * the additional byte is padding and should be ignored.
+	 */
+	size = r_size(&rstr) & ~1;
+	if (left < size) {
+	    if (left + length > size)
+		return_error(e_rangecheck);
+	    *pdata = rstr.value.const_bytes + left;
+	    return 0;
+	}
+	left -= size;
+    }
+}
diff --git a/pstoraster/zfproc.c b/pstoraster/zfproc.c
new file mode 100644
index 000000000..46d40ca26
--- /dev/null
+++ b/pstoraster/zfproc.c
@@ -0,0 +1,363 @@
+/* Copyright (C) 1994, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Procedure-based filter stream support */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"		/* for ifilter.h */
+#include "estack.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "istruct.h"		/* for RELOC_REF_VAR */
+#include "stream.h"
+#include "strimpl.h"
+#include "ifilter.h"
+#include "files.h"
+#include "store.h"
+
+/* ---------------- Generic ---------------- */
+
+/* GC procedures */
+#define pptr ((stream_proc_state *)vptr)
+private 
+CLEAR_MARKS_PROC(sproc_clear_marks)
+{
+    r_clear_attrs(&pptr->proc, l_mark);
+    r_clear_attrs(&pptr->data, l_mark);
+}
+private 
+ENUM_PTRS_BEGIN(sproc_enum_ptrs) return 0;
+
+case 0:
+ENUM_RETURN_REF(&pptr->proc);
+case 1:
+ENUM_RETURN_REF(&pptr->data);
+ENUM_PTRS_END
+private RELOC_PTRS_BEGIN(sproc_reloc_ptrs);
+RELOC_REF_VAR(pptr->proc);
+r_clear_attrs(&pptr->proc, l_mark);
+RELOC_REF_VAR(pptr->data);
+r_clear_attrs(&pptr->data, l_mark);
+RELOC_PTRS_END
+#undef pptr
+
+/* Structure type for procedure-based streams. */
+private_st_stream_proc_state();
+
+/* Allocate and open a procedure-based filter. */
+/* The caller must have checked that *sop is a procedure. */
+private int
+s_proc_init(ref * sop, stream ** psstrm, uint mode,
+	    const stream_template * temp, const stream_procs * procs)
+{
+    stream *sstrm = file_alloc_stream(imemory, "s_proc_init(stream)");
+    stream_proc_state *state =
+    (stream_proc_state *) s_alloc_state(imemory, &st_sproc_state,
+					"s_proc_init(state)");
+
+    if (sstrm == 0 || state == 0) {
+	ifree_object(state, "s_proc_init(state)");
+	/*ifree_object(sstrm, "s_proc_init(stream)"); *//* just leave it on the file list */
+	return_error(e_VMerror);
+    }
+    s_std_init(sstrm, NULL, 0, procs, mode);
+    sstrm->procs.process = temp->process;
+    state->template = temp;
+    state->memory = imemory;
+    state->eof = 0;
+    state->proc = *sop;
+    make_empty_string(&state->data, a_all);
+    state->index = 0;
+    sstrm->state = (stream_state *) state;
+    *psstrm = sstrm;
+    return 0;
+}
+
+/* Handle an interrupt during a stream operation. */
+/* This is logically unrelated to procedure streams, */
+/* but it is also associated with the interpreter stream machinery. */
+private int
+s_handle_intc(const ref * pstate, int nstate, int (*cont) (P1(os_ptr)))
+{
+    int npush = nstate + 2;
+
+    check_estack(npush);
+    if (nstate)
+	memcpy(esp + 2, pstate, nstate * sizeof(ref));
+#if 0				/* **************** */
+    {
+	int code = gs_interpret_error(e_interrupt, (ref *) (esp + npush));
+
+	if (code < 0)
+	    return code;
+    }
+#else /* **************** */
+    npush--;
+#endif /* **************** */
+    make_op_estack(esp + 1, cont);
+    esp += npush;
+    return o_push_estack;
+}
+
+
+/* ---------------- Read streams ---------------- */
+
+/* Forward references */
+private stream_proc_process(s_proc_read_process);
+private int s_proc_read_continue(P1(os_ptr));
+
+/* Stream templates */
+private const stream_template s_proc_read_template = {
+    &st_sproc_state, NULL, s_proc_read_process, 1, 1, NULL
+};
+private const stream_procs s_proc_read_procs = {
+    s_std_noavailable, s_std_noseek, s_std_read_reset,
+    s_std_read_flush, s_std_null, NULL
+};
+
+/* Allocate and open a procedure-based read stream. */
+/* The caller must have checked that *sop is a procedure. */
+int
+sread_proc(ref * sop, stream ** psstrm)
+{
+    int code =
+	s_proc_init(sop, psstrm, s_mode_read, &s_proc_read_template,
+		    &s_proc_read_procs);
+
+    if (code < 0)
+	return code;
+    (*psstrm)->end_status = CALLC;
+    return code;
+}
+
+/* Handle an input request. */
+private int
+s_proc_read_process(stream_state * st, stream_cursor_read * ignore_pr,
+		    stream_cursor_write * pw, bool last)
+{
+    /* Move data from the string returned by the procedure */
+    /* into the stream buffer, or ask for a callback. */
+    stream_proc_state *const ss = (stream_proc_state *) st;
+    uint count = r_size(&ss->data) - ss->index;
+
+    if (count > 0) {
+	uint wcount = pw->limit - pw->ptr;
+
+	if (wcount < count)
+	    count = wcount;
+	memcpy(pw->ptr + 1, ss->data.value.bytes + ss->index, count);
+	pw->ptr += count;
+	ss->index += count;
+	return 1;
+    }
+    return (ss->eof ? EOFC : CALLC);
+}
+
+/* Handle an exception (INTC or CALLC) from a read stream */
+/* whose buffer is empty. */
+int
+s_handle_read_exception(int status, const ref * fop, const ref * pstate,
+			int nstate, int (*cont) (P1(os_ptr)))
+{
+    int npush = nstate + 4;
+    stream *ps;
+
+    switch (status) {
+	case INTC:
+	    return s_handle_intc(pstate, nstate, cont);
+	case CALLC:
+	    break;
+	default:
+	    return_error(e_ioerror);
+    }
+    /* Find the stream whose buffer needs refilling. */
+    for (ps = fptr(fop); ps->strm != 0;)
+	ps = ps->strm;
+    check_estack(npush);
+    if (nstate)
+	memcpy(esp + 2, pstate, nstate * sizeof(ref));
+    make_op_estack(esp + 1, cont);
+    esp += npush;
+    make_op_estack(esp - 2, s_proc_read_continue);
+    esp[-1] = *fop;
+    r_clear_attrs(esp - 1, a_executable);
+    *esp = ((stream_proc_state *) ps->state)->proc;
+    return o_push_estack;
+}
+/* Continue a read operation after returning from a procedure callout. */
+/* osp[0] contains the file (pushed on the e-stack by handle_read_status); */
+/* osp[-1] contains the new data string (pushed by the procedure). */
+/* The top of the e-stack contains the real continuation. */
+private int
+s_proc_read_continue(os_ptr op)
+{
+    os_ptr opbuf = op - 1;
+    stream *ps;
+    stream_proc_state *ss;
+
+    check_file(ps, op);
+    check_read_type(*opbuf, t_string);
+    while ((ps->end_status = 0, ps->strm) != 0)
+	ps = ps->strm;
+    ss = (stream_proc_state *) ps->state;
+    ss->data = *opbuf;
+    ss->index = 0;
+    if (r_size(opbuf) == 0)
+	ss->eof = true;
+    pop(2);
+    return 0;
+}
+
+/* ---------------- Write streams ---------------- */
+
+/* Forward references */
+private stream_proc_process(s_proc_write_process);
+private int s_proc_write_continue(P1(os_ptr));
+
+/* Stream templates */
+private const stream_template s_proc_write_template = {
+    &st_sproc_state, NULL, s_proc_write_process, 1, 1, NULL
+};
+private const stream_procs s_proc_write_procs = {
+    s_std_noavailable, s_std_noseek, s_std_write_reset,
+    s_std_write_flush, s_std_null, NULL
+};
+
+/* Allocate and open a procedure-based write stream. */
+/* The caller must have checked that *sop is a procedure. */
+int
+swrite_proc(ref * sop, stream ** psstrm)
+{
+    return s_proc_init(sop, psstrm, s_mode_write, &s_proc_write_template,
+		       &s_proc_write_procs);
+}
+
+/* Handle an output request. */
+private int
+s_proc_write_process(stream_state * st, stream_cursor_read * pr,
+		     stream_cursor_write * ignore_pw, bool last)
+{
+    /* Move data from the stream buffer to the string */
+    /* returned by the procedure, or ask for a callback. */
+    stream_proc_state *const ss = (stream_proc_state *) st;
+    uint rcount = pr->limit - pr->ptr;
+
+    if (rcount > 0) {
+	uint wcount = r_size(&ss->data) - ss->index;
+	uint count = min(rcount, wcount);
+
+	memcpy(ss->data.value.bytes + ss->index, pr->ptr + 1, count);
+	pr->ptr += count;
+	ss->index += count;
+	if (rcount > wcount)
+	    return CALLC;
+	else if (last) {
+	    ss->eof = true;
+	    return CALLC;
+	} else
+	    return 0;
+    }
+    return ((ss->eof = last) ? EOFC : 0);
+}
+
+/* Handle an exception (INTC or CALLC) from a write stream */
+/* whose buffer is full. */
+int
+s_handle_write_exception(int status, const ref * fop, const ref * pstate,
+			 int nstate, int (*cont) (P1(os_ptr)))
+{
+    stream *ps;
+    stream_proc_state *psst;
+
+    switch (status) {
+	case INTC:
+	    return s_handle_intc(pstate, nstate, cont);
+	case CALLC:
+	    break;
+	default:
+	    return_error(e_ioerror);
+    }
+    /* Find the stream whose buffer needs emptying. */
+    for (ps = fptr(fop); ps->strm != 0;)
+	ps = ps->strm;
+    psst = (stream_proc_state *) ps->state;
+    if (psst->eof) {
+	/* This is the final call from closing the stream. */
+	/* Don't run the continuation. */
+	check_estack(5);
+	esp += 5;
+	make_op_estack(esp - 4, zpop);	/* pop the file */
+	make_op_estack(esp - 3, zpop);	/* pop the string returned */
+					/* by the procedure */
+	make_false(esp - 1);
+    } else {
+	int npush = nstate + 6;
+
+	check_estack(npush);
+	if (nstate)
+	    memcpy(esp + 2, pstate, nstate * sizeof(ref));
+	make_op_estack(esp + 1, cont);
+	esp += npush;
+	make_op_estack(esp - 4, s_proc_write_continue);
+	esp[-3] = *fop;
+	r_clear_attrs(esp - 3, a_executable);
+	make_true(esp - 1);
+    }
+    esp[-2] = psst->proc;
+    *esp = psst->data;
+    r_set_size(esp, psst->index);
+    return o_push_estack;
+}
+/* Continue a write operation after returning from a procedure callout. */
+/* osp[0] contains the file (pushed on the e-stack by handle_write_status); */
+/* osp[-1] contains the new buffer string (pushed by the procedure). */
+/* The top of the e-stack contains the real continuation. */
+private int
+s_proc_write_continue(os_ptr op)
+{
+    os_ptr opbuf = op - 1;
+    stream *ps;
+    stream_proc_state *ss;
+
+    check_file(ps, op);
+    check_write_type(*opbuf, t_string);
+    while ((ps->end_status = 0, ps->strm) != 0)
+	ps = ps->strm;
+    ss = (stream_proc_state *) ps->state;
+    ss->data = *opbuf;
+    ss->index = 0;
+    pop(2);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfproc_op_defs[] =
+{
+		/* Internal operators */
+    {"2%s_proc_read_continue", s_proc_read_continue},
+    {"2%s_proc_write_continue", s_proc_write_continue},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfreuse.c b/pstoraster/zfreuse.c
new file mode 100644
index 000000000..0d2488bef
--- /dev/null
+++ b/pstoraster/zfreuse.c
@@ -0,0 +1,206 @@
+/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* ReusableStreamDecode filter support */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "stream.h"
+#include "strimpl.h"
+#include "sfilter.h"		/* for SubFileDecode */
+#include "files.h"
+#include "idict.h"
+#include "idparam.h"
+#include "iname.h"
+#include "store.h"
+
+/*
+ * The actual work of constructing the filter is done in PostScript code.
+ * The operators in this file are internal ones that handle the dirty work.
+ */
+
+/* <dict|null> .rsdparams <filters> <decodeparms|null> */
+/* filters is always an array, and decodeparms is always either an array */
+/* of the same length as filters, or null. */
+private int
+zrsdparams(os_ptr op)
+{
+    ref *pFilter;
+    ref *pDecodeParms;
+    int Intent;
+    bool AsyncRead;
+    ref empty_array, filter1_array, parms1_array;
+    uint i;
+    int code;
+
+    make_empty_array(&empty_array, a_readonly);
+    if (dict_find_string(op, "Filter", &pFilter) > 0) {
+	if (!r_is_array(pFilter)) {
+	    if (!r_has_type(pFilter, t_name))
+		return_error(e_typecheck);
+	    make_array(&filter1_array, a_readonly, 1, pFilter);
+	    pFilter = &filter1_array;
+	}
+    } else
+	pFilter = &empty_array;
+    /* If Filter is undefined, ignore DecodeParms. */
+    if (pFilter != &empty_array &&
+	dict_find_string(op, "DecodeParms", &pDecodeParms) > 0
+	) {
+	if (pFilter == &filter1_array) {
+	    make_array(&parms1_array, a_readonly, 1, pDecodeParms);
+	    pDecodeParms = &parms1_array;
+	} else if (!r_is_array(pDecodeParms))
+	    return_error(e_typecheck);
+	else if (r_size(pFilter) != r_size(pDecodeParms))
+	    return_error(e_rangecheck);
+    } else
+	pDecodeParms = 0;
+    for (i = 0; i < r_size(pFilter); ++i) {
+	ref f, fname, dp;
+
+	array_get(pFilter, (long)i, &f);
+	if (!r_has_type(&f, t_name))
+	    return_error(e_typecheck);
+	name_string_ref(&f, &fname);
+	if (r_size(&fname) < 6 ||
+	    !memcmp(fname.value.bytes + r_size(&fname) - 6, "Decode", 6)
+	    )
+	    return_error(e_rangecheck);
+	if (pDecodeParms) {
+	    array_get(pDecodeParms, (long)i, &dp);
+	    if (!(r_has_type(&dp, t_dictionary) || r_has_type(&dp, t_null)))
+		return_error(e_typecheck);
+	}
+    }
+    if ((code = dict_int_param(op, "Intent", 0, 3, 0, &Intent)) < 0 ||
+	(code = dict_bool_param(op, "AsyncRead", false, &AsyncRead)) < 0
+	)
+	return code;
+    push(1);
+    op[-1] = *pFilter;
+    if (pDecodeParms)
+	*op = *pDecodeParms;
+    else
+	make_null(op);
+    return 0;
+}
+
+/* <file|string> <length|null> <CloseSource> .reusablestream <filter> */
+/*
+ * The file|string operand must be a "reusable source", either:
+ *      - A string;
+ *      - A readable, positionable file stream;
+ *      - A SubFileDecode filter with an empty EODString and a reusable
+ *      source;
+ *      - A reusable stream.
+ */
+private int make_rss(P6(os_ptr op, const byte * data, uint size, long offset,
+			long length, bool close_source));
+private int
+zreusablestream(os_ptr op)
+{
+    os_ptr source_op = op - 2;
+    os_ptr length_op = op - 1;
+    long length;
+    bool close_source;
+    int code;
+
+    if (r_has_type(length_op, t_integer)) {
+	length = length_op->value.intval;
+	if (length < 0)
+	    return_error(e_rangecheck);
+    } else
+	length = -1;
+    check_type(*op, t_boolean);
+    close_source = op->value.boolval;
+    if (r_has_type(source_op, t_string)) {
+	check_read(*source_op);
+	code = make_rss(source_op, source_op->value.const_bytes,
+			r_size(source_op), 0L, length, close_source);
+    } else {
+	long offset = 0;
+	stream *source;
+
+	check_read_file(source, source_op);
+rs:
+	if (source->cbuf_string.data != 0) {
+	    /* The data source is a string. */
+	    long avail;
+
+	    offset += stell(source);
+	    savailable(source, &avail);
+	    if (avail < 0)
+		avail = 0;
+	    if (avail > length)
+		avail = length;
+	    code = make_rss(source_op, source->cbuf_string.data,
+			    source->cbuf_string.size, offset, avail,
+			    close_source);
+	} else if (source->file != 0) {
+	    /* The data source is a file. */
+/****** NYI ******/
+	} else if (source->state->template == &s_SFD_template) {
+	    /* The data source is a SubFileDecode filter. */
+	    const stream_SFD_state *const sfd_state =
+	    (const stream_SFD_state *)source->state;
+
+	    if (sfd_state->eod.size != 0)
+		return_error(e_rangecheck);
+	    if (sfd_state->count != 0) {
+		long left = sfd_state->count + sbufavailable(source);
+
+		if (left < length)
+		    length = left;
+	    }
+	    source = source->strm;
+	    goto rs;
+	}
+/****** REUSABLE CASE IS NYI ******/
+	else
+	    return_error(e_rangecheck);
+    }
+    if (code >= 0)
+	pop(2);
+    return code;
+}
+
+/* Make a reusable string stream. */
+private int
+make_rss(os_ptr op, const byte * data, uint size, long offset,
+	 long length, bool close_source)
+{
+/****** NYI ******/
+    return_error(e_rangecheck);
+}
+
+/* ---------------- Initialization procedure ---------------- */
+
+const op_def zfreuse_op_defs[] =
+{
+    {"2.rsdparams", zrsdparams},
+    {"2.reusablestream", zreusablestream},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfunc.c b/pstoraster/zfunc.c
new file mode 100644
index 000000000..38b0c4a8f
--- /dev/null
+++ b/pstoraster/zfunc.c
@@ -0,0 +1,237 @@
+/*
+  Copyright 2001 by Easy Software Products.
+  Copyright 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Generic PostScript language interface to Functions */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsfunc.h"
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ifunc.h"
+#include "store.h"
+
+/* Define the maximum depth of nesting of subsidiary functions. */
+#define MAX_SUB_FUNCTION_DEPTH 3
+
+/* Define the table of build procedures. */
+build_function_proc((*build_function_procs[5])) = {
+    build_function_undefined, build_function_undefined, build_function_undefined,
+    build_function_undefined, build_function_undefined
+};
+
+int
+build_function_undefined(const_os_ptr op, const gs_function_params_t * mnDR,
+			 int depth, gs_function_t ** ppfn)
+{
+    return_error(e_rangecheck);
+}
+
+/* GC descriptors */
+gs_private_st_ptr(st_function_ptr, gs_function_t *, "gs_function_t *",
+		  function_ptr_enum_ptrs, function_ptr_reloc_ptrs);
+gs_private_st_element(st_function_ptr_element, gs_function_t *,
+		      "gs_function_t *[]", function_ptr_element_enum_ptrs,
+		      function_ptr_element_reloc_ptrs, st_function_ptr);
+
+/* ------ Operators ------ */
+
+private int zexecfunction(P1(os_ptr op));
+
+/* <dict> .buildfunction <function_struct> */
+private int
+zbuildfunction(os_ptr op)
+{
+    gs_function_t *pfn;
+    ref cref;			/* closure */
+    int code;
+
+    code = ialloc_ref_array(&cref, a_executable | a_execute, 2,
+			    ".buildfunction");
+    if (code < 0)
+	return code;
+    code = fn_build_function(op, &pfn);
+    if (code < 0) {
+	ifree_ref_array(&cref, ".buildfunction");
+	return code;
+    }
+    make_istruct_new(cref.value.refs, a_executable | a_execute, pfn);
+    make_oper_new(cref.value.refs + 1, 0, zexecfunction);
+    ref_assign(op, &cref);
+    return 0;
+}
+
+/* <in1> ... <function_struct> %execfunction <out1> ... */
+private int
+zexecfunction(os_ptr op)
+{	/*
+	 * Since this operator's name begins with %, the name is not defined
+	 * in systemdict.  The only place this operator can ever appear is
+	 * in the execute-only closure created by .buildfunction.
+	 * Therefore, in principle it is unnecessary to check the argument.
+	 * However, we do a little checking anyway just on general
+	 * principles.  Note that since the argument may be an instance of
+	 * any subclass of gs_function_t, we currently have no way to check
+	 * its type.
+	 */
+    if (!r_is_struct(op) ||
+	r_has_masked_attrs(op, a_executable | a_execute, a_all)
+	)
+	return_error(e_typecheck);
+    {
+	gs_function_t *pfn = (gs_function_t *) op->value.pstruct;
+	int m = pfn->params.m, n = pfn->params.n;
+	int diff = n - (m + 1);
+
+	if (diff > 0)
+	    check_ostack(diff);
+	{
+	    float *in = (float *)ialloc_byte_array(m, sizeof(float),
+						   "%execfunction(in)");
+	    float *out = (float *)ialloc_byte_array(n, sizeof(float),
+						    "%execfunction(out)");
+	    int code;
+
+	    if (in == 0 || out == 0)
+		code = gs_note_error(e_VMerror);
+	    else if ((code = float_params(op - 1, m, in)) < 0 ||
+		     (code = gs_function_evaluate(pfn, in, out)) < 0
+		)
+		DO_NOTHING;
+	    else {
+		if (diff > 0)
+		    push(diff)	/* can't fail */ /* MRS: No trailing ; */
+		else if (diff < 0) {
+		    pop(-diff);
+		    op = osp;
+		}
+		code = make_floats(op + 1 - n, out, n);
+	    }
+	    ifree_object(out, "%execfunction(out)");
+	    ifree_object(in, "%execfunction(in)");
+	    return code;
+	}
+    }
+}
+
+/* ------ Procedures ------ */
+
+/* Build a function structure from a PostScript dictionary. */
+int
+fn_build_sub_function(const ref * op, gs_function_t ** ppfn, int depth)
+{
+    int code, type;
+    gs_function_params_t params;
+
+    if (depth > MAX_SUB_FUNCTION_DEPTH)
+	return_error(e_limitcheck);
+    check_type(*op, t_dictionary);
+    code = dict_int_param(op, "FunctionType", 0,
+			  countof(build_function_procs) - 1, -1, &type);
+    if (code < 0)
+	return code;
+    /* Collect parameters common to all function types. */
+    params.Domain = 0;
+    params.Range = 0;
+    code = fn_build_float_array(op, "Domain", true, true, &params.Domain);
+    if (code < 0)
+	goto fail;
+    params.m = code >> 1;
+    code = fn_build_float_array(op, "Range", false, true, &params.Range);
+    if (code < 0)
+	goto fail;
+    params.n = code >> 1;
+    /* Finish building the function. */
+    /* If this fails, it will free all the parameters. */
+    return (*build_function_procs[type]) (op, &params, depth + 1, ppfn);
+fail:
+    ifree_object((void *)params.Range, "Range");	/* break const */
+    ifree_object((void *)params.Domain, "Domain");	/* break const */
+    return code;
+}
+
+/* Allocate an array of function objects. */
+int
+ialloc_function_array(uint count, gs_function_t *** pFunctions)
+{
+    gs_function_t **ptr;
+
+    if (count == 0)
+	return_error(e_rangecheck);
+    ptr = ialloc_struct_array(count, gs_function_t *,
+			      &st_function_ptr_element, "Functions");
+    if (ptr == 0)
+	return_error(e_VMerror);
+    memset(ptr, 0, sizeof(*ptr) * count);
+    *pFunctions = ptr;
+    return 0;
+}
+
+/*
+ * Collect a heap-allocated array of floats.  If the key is missing, set
+ * *pparray = 0 and return 0; otherwise set *pparray and return the number
+ * of elements.  Note that 0-length arrays are acceptable, so if the value
+ * returned is 0, the caller must check whether *pparray == 0.
+ */
+int
+fn_build_float_array(const ref * op, const char *kstr, bool required,
+		     bool even, const float **pparray)
+{
+    ref *par;
+    int code;
+
+    *pparray = 0;
+    if (dict_find_string(op, kstr, &par) <= 0)
+	return (required ? gs_note_error(e_rangecheck) : 0);
+    if (!r_is_array(par))
+	return_error(e_typecheck);
+    {
+	uint size = r_size(par);
+	float *ptr = (float *)ialloc_byte_array(size, sizeof(float), kstr);
+
+	if (ptr == 0)
+	    return_error(e_VMerror);
+	code = dict_float_array_param(op, kstr, size, ptr, NULL);
+	if (code < 0 || (even && (code & 1) != 0)) {
+	    ifree_object(ptr, kstr);
+	    return(code < 0 ? code : gs_note_error(e_rangecheck));
+	}
+	*pparray = ptr;
+    }
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfunc_op_defs[] =
+{
+    {"1.buildfunction", zbuildfunction},
+    {"1%execfunction", zexecfunction},
+    op_def_end(0)
+};
diff --git a/pstoraster/zfunc0.c b/pstoraster/zfunc0.c
new file mode 100644
index 000000000..56956da51
--- /dev/null
+++ b/pstoraster/zfunc0.c
@@ -0,0 +1,113 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PostScript language interface to FunctionType 0 (Sampled) Functions */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsdsrc.h"
+#include "gsfunc.h"
+#include "gsfunc0.h"
+#include "stream.h"		/* for files.h */
+#include "files.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ifunc.h"
+
+/* Initialization */
+private build_function_proc(build_function_0);
+int
+zfunc0_init(gs_memory_t * mem)
+{
+    build_function_procs[0] = build_function_0;
+    return 0;
+}
+
+const op_def zfunc0_op_defs[] =
+{
+    op_def_end(zfunc0_init)
+};
+
+/* Finish building a FunctionType 0 (Sampled) function. */
+private int
+build_function_0(const_os_ptr op, const gs_function_params_t * mnDR, int depth,
+		 gs_function_t ** ppfn)
+{
+    gs_function_Sd_params_t params;
+    ref *pDataSource;
+    int code;
+
+    *(gs_function_params_t *) & params = *mnDR;
+    params.Encode = 0;
+    params.Decode = 0;
+    params.Size = 0;
+    if ((code = dict_find_string(op, "DataSource", &pDataSource)) <= 0)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    switch (r_type(pDataSource)) {
+	case t_string:
+	    data_source_init_string2(&params.DataSource,
+				     pDataSource->value.const_bytes,
+				     r_size(pDataSource));
+	    break;
+	case t_file: {
+	    stream *s;
+
+	    check_read_known_file_else(s, pDataSource, return_error,
+				       return_error(e_invalidfileaccess));
+	    if (!(s->modes & s_mode_seek))
+		return_error(e_ioerror);
+	    data_source_init_stream(&params.DataSource, s);
+	    break;
+	}
+	default:
+	    return_error(e_rangecheck);
+    }
+    if ((code = dict_int_param(op, "Order", 1, 3, 1, &params.Order)) < 0 ||
+	(code = dict_int_param(op, "BitsPerSample", 1, 32, 0,
+			       &params.BitsPerSample)) < 0 ||
+	((code = fn_build_float_array(op, "Encode", false, true, &params.Encode)) != 2 * params.m && (code != 0 || params.Encode != 0)) ||
+	((code = fn_build_float_array(op, "Decode", false, true, &params.Decode)) != 2 * params.n && (code != 0 || params.Decode != 0))
+	) {
+	goto fail;
+    } {
+	int *ptr = (int *)ialloc_byte_array(params.m, sizeof(int), "Size");
+
+	if (ptr == 0) {
+	    code = gs_note_error(e_VMerror);
+	    goto fail;
+	}
+	params.Size = ptr;
+	code = dict_int_array_param(op, "Size", params.m, ptr);
+	if (code != params.m)
+	    goto fail;
+    }
+    code = gs_function_Sd_init(ppfn, &params, imemory);
+    if (code >= 0)
+	return 0;
+fail:
+    gs_function_Sd_free_params(&params, imemory);
+    return (code < 0 ? code : gs_note_error(e_rangecheck));
+}
diff --git a/pstoraster/zfunc3.c b/pstoraster/zfunc3.c
new file mode 100644
index 000000000..20f5d1840
--- /dev/null
+++ b/pstoraster/zfunc3.c
@@ -0,0 +1,136 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PostScript language interface to LL3 Functions */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gsfunc3.h"
+#include "gsstruct.h"
+#include "stream.h"		/* for files.h */
+#include "files.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ifunc.h"
+#include "store.h"
+
+/* Initialization */
+private build_function_proc(build_function_2);
+private build_function_proc(build_function_3);
+int
+zfunc3_init(gs_memory_t * mem)
+{
+    build_function_procs[2] = build_function_2;
+    build_function_procs[3] = build_function_3;
+    return 0;
+}
+
+const op_def zfunc3_op_defs[] =
+{
+    op_def_end(zfunc3_init)
+};
+
+/* Define the available Function types. */
+
+/* Finish building a FunctionType 2 (ExponentialInterpolation) function. */
+private int
+build_function_2(const_os_ptr op, const gs_function_params_t * mnDR, int depth,
+		 gs_function_t ** ppfn)
+{
+    gs_function_ElIn_params_t params;
+    int code, n0, n1;
+
+    *(gs_function_params_t *)&params = *mnDR;
+    params.C0 = 0;
+    params.C1 = 0;
+    if ((code = dict_float_param(op, "N", 0.0, &params.N)) != 0 ||
+	(code = n0 = fn_build_float_array(op, "C0", false, false, &params.C0)) < 0 ||
+	(code = n1 = fn_build_float_array(op, "C1", false, false, &params.C1)) < 0
+	)
+	goto fail;
+    if (params.C0 == 0)
+	n0 = 1;			/* C0 defaulted */
+    if (params.C1 == 0)
+	n1 = 1;			/* C1 defaulted */
+    if (params.Range == 0)
+	params.n = n0;		/* either one will do */
+    if (n0 != n1 || n0 != params.n)
+	goto fail;
+    code = gs_function_ElIn_init(ppfn, &params, imemory);
+    if (code >= 0)
+	return 0;
+fail:
+    gs_function_ElIn_free_params(&params, imemory);
+    return (code < 0 ? code : gs_note_error(e_rangecheck));
+}
+
+/* Finish building a FunctionType 3 (1-Input Stitching) function. */
+private int
+build_function_3(const_os_ptr op, const gs_function_params_t * mnDR, int depth,
+		 gs_function_t ** ppfn)
+{
+    gs_function_1ItSg_params_t params;
+    int code;
+
+    *(gs_function_params_t *) & params = *mnDR;
+    params.Functions = 0;
+    params.Bounds = 0;
+    params.Encode = 0;
+    {
+	ref *pFunctions;
+	gs_function_t **ptr;
+	int i;
+
+	if ((code = dict_find_string(op, "Functions", &pFunctions)) <= 0)
+	    return (code < 0 ? code : gs_note_error(e_rangecheck));
+	check_array_only(*pFunctions);
+	params.k = r_size(pFunctions);
+	code = ialloc_function_array(params.k, &ptr);
+	if (code < 0)
+	    return code;
+	params.Functions = (const gs_function_t * const *)ptr;
+	for (i = 0; i < params.k; ++i) {
+	    ref subfn;
+
+	    array_get(pFunctions, (long)i, &subfn);
+	    code = fn_build_sub_function(&subfn, &ptr[i], depth);
+	    if (code < 0)
+		goto fail;
+	}
+    }
+    if ((code = fn_build_float_array(op, "Bounds", true, false, &params.Bounds)) != params.k - 1 ||
+	(code = fn_build_float_array(op, "Encode", true, true, &params.Encode)) != 2 * params.k
+	)
+	goto fail;
+    if (params.Range == 0)
+	params.n = params.Functions[0]->params.n;
+    code = gs_function_1ItSg_init(ppfn, &params, imemory);
+    if (code >= 0)
+	return 0;
+fail:
+    gs_function_1ItSg_free_params(&params, imemory);
+    return (code < 0 ? code : gs_note_error(e_rangecheck));
+}
diff --git a/pstoraster/zfzlib.c b/pstoraster/zfzlib.c
new file mode 100644
index 000000000..e52cdff35
--- /dev/null
+++ b/pstoraster/zfzlib.c
@@ -0,0 +1,105 @@
+/*
+  Copyright 1993-2002 by Easy Software Products
+  Copyright 1995, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+#include <config.h>
+#ifdef HAVE_LIBZ
+/*$Id$ */
+/* zlib and Flate filter creation */
+#include "ghost.h"
+#include "oper.h"
+#include "idict.h"
+#include "strimpl.h"
+#include "spdiffx.h"
+#include "spngpx.h"
+#include "szlibx.h"
+#include "ifilter.h"
+
+/* Import the Predictor machinery from zfdecode.c and zfilter2.c. */
+int filter_read_predictor(P4(os_ptr op, int npop,
+			     const stream_template * template,
+			     stream_state * st));
+int filter_write_predictor(P4(os_ptr op, int npop,
+			      const stream_template * template,
+			      stream_state * st));
+
+/* <source> zlibEncode/filter <file> */
+/* <source> <dict> zlibEncode/filter <file> */
+private int
+zzlibE(os_ptr op)
+{
+    stream_zlib_state zls;
+
+    (*s_zlibE_template.set_defaults)((stream_state *)&zls);
+    return filter_write(op, 0, &s_zlibE_template, (stream_state *)&zls, 0);
+}
+
+/* <target> zlibDecode/filter <file> */
+/* <target> <dict> zlibDecode/filter <file> */
+private int
+zzlibD(os_ptr op)
+{
+    stream_zlib_state zls;
+
+    (*s_zlibD_template.set_defaults)((stream_state *)&zls);
+    return filter_read(op, 0, &s_zlibD_template, (stream_state *)&zls, 0);
+}
+
+/* <source> FlateEncode/filter <file> */
+/* <source> <dict> FlateEncode/filter <file> */
+private int
+zFlateE(os_ptr op)
+{
+    stream_zlib_state zls;
+
+    (*s_zlibE_template.set_defaults)((stream_state *)&zls);
+    return filter_write_predictor(op, 0, &s_zlibE_template,
+				  (stream_state *)&zls);
+}
+
+/* <target> FlateDecode/filter <file> */
+/* <target> <dict> FlateDecode/filter <file> */
+private int
+zFlateD(os_ptr op)
+{
+    stream_zlib_state zls;
+
+    (*s_zlibD_template.set_defaults)((stream_state *)&zls);
+    return filter_read_predictor(op, 0, &s_zlibD_template,
+				 (stream_state *)&zls);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zfzlib_op_defs[] =
+{
+    op_def_begin_filter(),
+    {"1zlibEncode", zzlibE},
+    {"1zlibDecode", zzlibD},
+    {"1FlateEncode", zFlateE},
+    {"1FlateDecode", zFlateD},
+    op_def_end(0)
+};
+#endif /* HAVE_LIBZ */
diff --git a/pstoraster/zgeneric.c b/pstoraster/zgeneric.c
new file mode 100644
index 000000000..c56c7f220
--- /dev/null
+++ b/pstoraster/zgeneric.c
@@ -0,0 +1,528 @@
+/* Copyright (C) 1989, 1992, 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Array/string/dictionary generic operators for PostScript */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"		/* for forall */
+#include "idict.h"
+#include "iname.h"
+#include "ipacked.h"
+#include "ivmspace.h"
+#include "store.h"
+
+/* This file implements copy, get, put, getinterval, putinterval, */
+/* length, and forall, which apply generically to */
+/* arrays, strings, and dictionaries.  (Copy also has a special */
+/* meaning for copying the top N elements of the stack.) */
+
+/* See the comment in opdef.h for an invariant which allows */
+/* more efficient implementation of forall. */
+
+/* Imported operators */
+extern int zcopy_dict(P1(os_ptr));
+
+/* Forward references */
+private int zcopy_integer(P1(os_ptr));
+private int zcopy_interval(P1(os_ptr));
+private int copy_interval(P4(os_ptr, uint, os_ptr, client_name_t));
+
+/* <various1> <various2> copy <various> */
+/* <obj1> ... <objn> <int> copy <obj1> ... <objn> <obj1> ... <objn> */
+/* Note that this implements copy for arrays and strings, */
+/* but not for dictionaries (see zcopy_dict in zdict.c). */
+int
+zcopy(register os_ptr op)
+{
+    int type = r_type(op);
+
+    if (type == t_integer)
+	return zcopy_integer(op);
+    check_op(2);
+    switch (type) {
+	case t_array:
+	case t_string:
+	    return zcopy_interval(op);
+	case t_dictionary:
+	    return zcopy_dict(op);
+	default:
+	    return_op_typecheck(op);
+    }
+}
+
+/* <obj1> ... <objn> <int> copy <obj1> ... <objn> <obj1> ... <objn> */
+private int
+zcopy_integer(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int count, i;
+    int code;
+
+    if ((ulong) op->value.intval > op - osbot) {
+	/* There might be enough elements in other blocks. */
+	check_int_ltu(*op, ref_stack_count(&o_stack));
+	count = op->value.intval;
+    } else if (op1 + (count = op->value.intval) <= ostop) {
+	/* Fast case. */
+	memcpy((char *)op, (char *)(op - count), count * sizeof(ref));
+	push(count - 1);
+	return 0;
+    }
+    /* Do it the slow, general way. */
+    code = ref_stack_push(&o_stack, count - 1);
+    if (code < 0)
+	return code;
+    for (i = 0; i < count; i++)
+	*ref_stack_index(&o_stack, i) =
+	    *ref_stack_index(&o_stack, i + count);
+    return 0;
+}
+
+/* <array1> <array2> copy <subarray2> */
+/* <string1> <string2> copy <substring2> */
+private int
+zcopy_interval(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int code = copy_interval(op, 0, op1, "copy");
+
+    if (code < 0)
+	return code;
+    r_set_size(op, r_size(op1));
+    *op1 = *op;
+    pop(1);
+    return 0;
+}
+
+/* <array|dict|name|packedarray|string> length <int> */
+private int
+zlength(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_array:
+	case t_string:
+	case t_mixedarray:
+	case t_shortarray:
+	    check_read(*op);
+	    make_int(op, r_size(op));
+	    return 0;
+	case t_dictionary:
+	    check_dict_read(*op);
+	    make_int(op, dict_length(op));
+	    return 0;
+	case t_name: {
+	    ref str;
+
+	    name_string_ref(op, &str);
+	    make_int(op, r_size(&str));
+	    return 0;
+	}
+	default:
+	    return_op_typecheck(op);
+    }
+}
+
+/* <array|packedarray|string> <index> get <obj> */
+/* <dict> <key> get <obj> */
+private int
+zget(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    ref *pvalue;
+
+    switch (r_type(op1)) {
+	case t_dictionary:
+	    check_dict_read(*op1);
+	    if (dict_find(op1, op, &pvalue) <= 0)
+		return_error(e_undefined);
+	    op[-1] = *pvalue;
+	    break;
+	case t_string:
+	    check_read(*op1);
+	    check_int_ltu(*op, r_size(op1));
+	    make_int(op1, op1->value.bytes[(uint) op->value.intval]);
+	    break;
+	default: {
+	    int code;
+
+	    check_type(*op, t_integer);
+	    check_read(*op1);
+	    code = array_get(op1, op->value.intval, op1);
+	    if (code < 0) {	/* Might be a stackunderflow reported as typecheck. */
+		if (code == e_typecheck)
+		    return_op_typecheck(op1);
+		else
+		    return code;
+	    }
+	}
+    }
+    pop(1);
+    return 0;
+}
+
+/* <array> <index> <obj> put - */
+/* <dict> <key> <value> put - */
+/* <string> <index> <int> put - */
+private int
+zput(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    os_ptr op2 = op1 - 1;
+
+    switch (r_type(op2)) {
+	case t_dictionary:
+	    check_dict_write(*op2);
+	    {
+		int code = dict_put(op2, op1, op);
+
+		if (code < 0)
+		    return code;	/* error */
+	    }
+	    break;
+	case t_array:
+	    check_write(*op2);
+	    check_int_ltu(*op1, r_size(op2));
+	    store_check_dest(op2, op);
+	    {
+		ref *eltp = op2->value.refs + (uint) op1->value.intval;
+
+		ref_assign_old(op2, eltp, op, "put");
+	    }
+	    break;
+	case t_mixedarray:	/* packed arrays are read-only */
+	case t_shortarray:
+	    return_error(e_invalidaccess);
+	case t_string:
+	    check_write(*op2);
+	    check_int_ltu(*op1, r_size(op2));
+	    check_int_leu(*op, 0xff);
+	    op2->value.bytes[(uint) op1->value.intval] = (byte) op->value.intval;
+	    break;
+	default:
+	    return_op_typecheck(op2);
+    }
+    pop(3);
+    return 0;
+}
+
+/* <seq:array|packedarray|string> <index> <count> getinterval <subseq> */
+private int
+zgetinterval(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    os_ptr op2 = op1 - 1;
+    uint index;
+    uint count;
+
+    switch (r_type(op2)) {
+	default:
+	    return_op_typecheck(op2);
+	case t_array:
+	case t_string:
+	case t_mixedarray:
+	case t_shortarray:;
+    }
+    check_read(*op2);
+    check_int_leu(*op1, r_size(op2));
+    index = op1->value.intval;
+    check_int_leu(*op, r_size(op2) - index);
+    count = op->value.intval;
+    switch (r_type(op2)) {
+	case t_array:
+	    op2->value.refs += index;
+	    break;
+	case t_string:
+	    op2->value.bytes += index;
+	    break;
+	case t_mixedarray: {
+	    const ref_packed *packed = op2->value.packed;
+
+	    for (; index--;)
+		packed = packed_next(packed);
+	    op2->value.packed = packed;
+	    break;
+	}
+	case t_shortarray:
+	    op2->value.packed += index;
+	    break;
+    }
+    r_set_size(op2, count);
+    pop(2);
+    return 0;
+}
+
+/* <array1> <index> <array2|packedarray2> putinterval - */
+/* <string1> <index> <string2> putinterval - */
+private int
+zputinterval(register os_ptr op)
+{
+    os_ptr opindex = op - 1;
+    os_ptr opto = opindex - 1;
+    int code;
+
+    switch (r_type(opto)) {
+	default:
+	    return_op_typecheck(opto);
+	case t_mixedarray:
+	case t_shortarray:
+	    return_error(e_invalidaccess);
+	case t_array:
+	case t_string:
+	    ;
+    }
+    check_write(*opto);
+    check_int_leu(*opindex, r_size(opto));
+    code = copy_interval(opto, (uint) (opindex->value.intval), op, "putinterval");
+    if (code >= 0)
+	pop(3);
+    return code;
+}
+
+/* <array|packedarray|string> <<element> proc> forall - */
+/* <dict> <<key> <value> proc> forall - */
+private int
+    array_continue(P1(os_ptr)),
+    dict_continue(P1(os_ptr)),
+    string_continue(P1(os_ptr)),
+    packedarray_continue(P1(os_ptr));
+private int forall_cleanup(P1(os_ptr));
+private int
+zforall(register os_ptr op)
+{
+    os_ptr obj = op - 1;
+    es_ptr ep = esp;
+    es_ptr cproc = ep + 4;
+
+    check_estack(6);
+    switch (r_type(obj)) {
+	default:
+	    return_op_typecheck(obj);
+	case t_array:
+	    check_read(*obj);
+	    make_op_estack(cproc, array_continue);
+	    break;
+	case t_dictionary:
+	    check_dict_read(*obj);
+	    make_int(cproc, dict_first(obj));
+	    ++cproc;
+	    make_op_estack(cproc, dict_continue);
+	    break;
+	case t_string:
+	    check_read(*obj);
+	    make_op_estack(cproc, string_continue);
+	    break;
+	case t_mixedarray:
+	case t_shortarray:
+	    check_read(*obj);
+	    make_op_estack(cproc, packedarray_continue);
+	    break;
+    }
+    check_proc(*op);
+    /*
+     * Push:
+     *   - a mark;
+     *   - the composite object;
+     *   - the procedure;
+     *   - the iteration index (only for dictionaries, done above);
+     * and invoke the continuation operator.
+     */
+    make_mark_estack(ep + 1, es_for, forall_cleanup);
+    ep[2] = *obj;
+    ep[3] = *op;
+    esp = cproc - 1;
+    pop(2);
+    op -= 2;
+    return (*real_opproc(cproc))(op);
+}
+/* Continuation operator for arrays */
+private int
+array_continue(register os_ptr op)
+{
+    es_ptr obj = esp - 1;
+
+    if (r_size(obj)) {		/* continue */
+	push(1);
+	r_dec_size(obj, 1);
+	*op = *obj->value.refs;
+	obj->value.refs++;
+	esp += 2;
+	*esp = obj[1];
+	return o_push_estack;
+    } else {			/* done */
+	esp -= 3;		/* pop mark, object, proc */
+	return o_pop_estack;
+    }
+}
+/* Continuation operator for dictionaries */
+private int
+dict_continue(register os_ptr op)
+{
+    es_ptr obj = esp - 2;
+    int index = (int)esp->value.intval;
+
+    push(2);			/* make room for key and value */
+    if ((index = dict_next(obj, index, op - 1)) >= 0) {	/* continue */
+	esp->value.intval = index;
+	esp += 2;
+	*esp = obj[1];
+	return o_push_estack;
+    } else {			/* done */
+	pop(2);			/* undo push */
+	esp -= 4;		/* pop mark, object, proc, index */
+	return o_pop_estack;
+    }
+}
+/* Continuation operator for strings */
+private int
+string_continue(register os_ptr op)
+{
+    es_ptr obj = esp - 1;
+
+    if (r_size(obj)) {		/* continue */
+	r_dec_size(obj, 1);
+	push(1);
+	make_int(op, *obj->value.bytes);
+	obj->value.bytes++;
+	esp += 2;
+	*esp = obj[1];
+	return o_push_estack;
+    } else {			/* done */
+	esp -= 3;		/* pop mark, object, proc */
+	return o_pop_estack;
+    }
+}
+/* Continuation operator for packed arrays */
+private int
+packedarray_continue(register os_ptr op)
+{
+    es_ptr obj = esp - 1;
+
+    if (r_size(obj)) {		/* continue */
+	const ref_packed *packed = obj->value.packed;
+
+	r_dec_size(obj, 1);
+	push(1);
+	packed_get(packed, op);
+	obj->value.packed = packed_next(packed);
+	esp += 2;
+	*esp = obj[1];
+	return o_push_estack;
+    } else {			/* done */
+	esp -= 3;		/* pop mark, object, proc */
+	return o_pop_estack;
+    }
+}
+/* Vacuous cleanup procedure */
+private int
+forall_cleanup(os_ptr op)
+{
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zgeneric_op_defs[] =
+{
+    {"1copy", zcopy},
+    {"2forall", zforall},
+    {"2get", zget},
+    {"3getinterval", zgetinterval},
+    {"1length", zlength},
+    {"3put", zput},
+    {"3putinterval", zputinterval},
+		/* Internal operators */
+    {"0%array_continue", array_continue},
+    {"0%dict_continue", dict_continue},
+    {"0%packedarray_continue", packedarray_continue},
+    {"0%string_continue", string_continue},
+    op_def_end(0)
+};
+
+/* ------ Shared routines ------ */
+
+/* Copy an interval from one operand to another. */
+/* This is used by both putinterval and string/array copy. */
+/* The destination is known to be an array or string, */
+/* and the starting index is known to be less than or equal to */
+/* its length; nothing else has been checked. */
+private int
+copy_interval(os_ptr prto, uint index, os_ptr prfrom, client_name_t cname)
+{
+    int fromtype = r_type(prfrom);
+    uint fromsize = r_size(prfrom);
+
+    if (!(fromtype == r_type(prto) ||
+	  ((fromtype == t_shortarray || fromtype == t_mixedarray) &&
+	   r_type(prto) == t_array))
+	)
+	return_op_typecheck(prfrom);
+    check_read(*prfrom);
+    check_write(*prto);
+    if (fromsize > r_size(prto) - index)
+	return_error(e_rangecheck);
+    switch (fromtype) {
+	case t_array:
+	    {			/* We have to worry about aliasing, */
+		/* but refcpy_to_old takes care of it for us. */
+		return refcpy_to_old(prto, index, prfrom->value.refs,
+				     fromsize, cname);
+	    }
+	case t_string:
+	    {			/* We have to worry about aliasing. */
+		const byte *from = prfrom->value.bytes;
+		byte *to = prto->value.bytes + index;
+		uint i;
+
+		if (from + fromsize <= to || to + fromsize <= from)
+		    memcpy(to, from, fromsize);
+		else if (to < from)
+		    for (i = fromsize; i != 0; i--, from++, to++)
+			*to = *from;
+		else
+		    for (i = fromsize, from += i, to += i; i != 0; i--)
+			*--to = *--from;
+	    }
+	    break;
+	case t_mixedarray:
+	case t_shortarray:
+	    {	/* We don't have to worry about aliasing, because */
+		/* packed arrays are read-only and hence the destination */
+		/* can't be a packed array. */
+		int i;
+		const ref_packed *packed = prfrom->value.packed;
+		ref *pdest = prto->value.refs + index;
+		ref elt;
+
+		for (i = 0; i < fromsize; i++, pdest++) {
+		    packed_get(packed, &elt);
+		    ref_assign_old(prto, pdest, &elt, cname);
+		    packed = packed_next(packed);
+		}
+	    }
+	    break;
+    }
+    return 0;
+}
diff --git a/pstoraster/zgstate.c b/pstoraster/zgstate.c
new file mode 100644
index 000000000..b9fabe1a4
--- /dev/null
+++ b/pstoraster/zgstate.c
@@ -0,0 +1,450 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Graphics state operators */
+#include "math_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "istruct.h"
+#include "igstate.h"
+#include "gsmatrix.h"
+#include "store.h"
+
+/* Forward references */
+private int num_param(P2(const_os_ptr, int (*)(P2(gs_state *, floatp))));
+
+/* Structure descriptors */
+private_st_int_gstate();
+
+/* ------ Operations on the entire graphics state ------ */
+
+/* The current graphics state */
+gs_state *igs;
+
+/* "Client" procedures */
+private void *gs_istate_alloc(P1(gs_memory_t * mem));
+private int gs_istate_copy(P2(void *to, const void *from));
+private void gs_istate_free(P2(void *old, gs_memory_t * mem));
+private const gs_state_client_procs istate_procs =
+{
+    gs_istate_alloc,
+    gs_istate_copy,
+    gs_istate_free
+};
+
+/* Initialize the graphics stack. */
+void
+igs_init(void)
+{
+    gs_register_struct_root(imemory, NULL, (void **)&igs, "igs");
+    igs = int_gstate_alloc(iimemory);
+}
+gs_state *
+int_gstate_alloc(gs_ref_memory_t * mem)
+{
+    int_gstate *iigs;
+    ref proc0;
+    gs_state *pgs = gs_state_alloc((gs_memory_t *) mem);
+
+    iigs = gs_alloc_struct((gs_memory_t *) mem, int_gstate, &st_int_gstate,
+			   "int_gstate_alloc(int_gstate)");
+    int_gstate_map_refs(iigs, make_null);
+    make_empty_array(&iigs->dash_pattern, a_all);
+    gs_alloc_ref_array(mem, &proc0, a_readonly + a_executable, 2,
+		       "int_gstate_alloc(proc0)");
+    make_oper(proc0.value.refs, 0, zpop);
+    make_real(proc0.value.refs + 1, 0.0);
+    iigs->black_generation = proc0;
+    iigs->undercolor_removal = proc0;
+    clear_pagedevice(iigs);
+    gs_state_set_client(pgs, iigs, &istate_procs);
+    /* PostScript code wants limit clamping enabled. */
+    gs_setlimitclamp(pgs, true);
+    /*
+     * gsave and grestore only work properly
+     * if there are always at least 2 entries on the stack.
+     * We count on the PostScript initialization code to do a gsave.
+     */
+    return pgs;
+}
+
+/* - gsave - */
+int
+zgsave(register os_ptr op)
+{
+    return gs_gsave(igs);
+}
+
+/* - grestore - */
+int
+zgrestore(register os_ptr op)
+{
+    return gs_grestore(igs);
+}
+
+/* - grestoreall - */
+int
+zgrestoreall(register os_ptr op)
+{
+    return gs_grestoreall(igs);
+}
+
+/* - initgraphics - */
+private int
+zinitgraphics(register os_ptr op)
+{
+    /* gs_initgraphics does a setgray; we must clear the interpreter's */
+    /* cached copy of the color space object. */
+    int code = gs_initgraphics(igs);
+
+    if (code >= 0)
+	make_null(&istate->colorspace.array);
+    return code;
+}
+
+/* ------ Operations on graphics state elements ------ */
+
+/* <num> setlinewidth - */
+private int
+zsetlinewidth(register os_ptr op)
+{	/*
+	 * The Red Book doesn't say anything about this, but Adobe
+	 * interpreters return (or perhaps store) the absolute value
+	 * of the width.
+	 */
+    double width;
+    int code = real_param(op, &width);
+
+    if (code < 0)
+	return_op_typecheck(op);
+    code = gs_setlinewidth(igs, fabs(width));
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* - currentlinewidth <num> */
+private int
+zcurrentlinewidth(register os_ptr op)
+{
+    push(1);
+    make_real(op, gs_currentlinewidth(igs));
+    return 0;
+}
+
+/* <cap_int> .setlinecap - */
+private int
+zsetlinecap(register os_ptr op)
+{
+    int param;
+    int code = int_param(op, max_int, &param);
+
+    if (code < 0 || (code = gs_setlinecap(igs, (gs_line_cap) param)) < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* - currentlinecap <cap_int> */
+private int
+zcurrentlinecap(register os_ptr op)
+{
+    push(1);
+    make_int(op, (int)gs_currentlinecap(igs));
+    return 0;
+}
+
+/* <join_int> .setlinejoin - */
+private int
+zsetlinejoin(register os_ptr op)
+{
+    int param;
+    int code = int_param(op, max_int, &param);
+
+    if (code < 0 || (code = gs_setlinejoin(igs, (gs_line_join) param)) < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* - currentlinejoin <join_int> */
+private int
+zcurrentlinejoin(register os_ptr op)
+{
+    push(1);
+    make_int(op, (int)gs_currentlinejoin(igs));
+    return 0;
+}
+
+/* <num> setmiterlimit - */
+private int
+zsetmiterlimit(register os_ptr op)
+{
+    return num_param(op, gs_setmiterlimit);
+}
+
+/* - currentmiterlimit <num> */
+private int
+zcurrentmiterlimit(register os_ptr op)
+{
+    push(1);
+    make_real(op, gs_currentmiterlimit(igs));
+    return 0;
+}
+
+/* <array> <offset> setdash - */
+private int
+zsetdash(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    double offset;
+    int code = real_param(op, &offset);
+    uint i, n;
+    gs_memory_t *mem = imemory;
+    float *pattern;
+
+    if (code < 0)
+	return_op_typecheck(op);
+    if (!r_is_array(op1))
+	return_op_typecheck(op1);
+    /* Adobe interpreters apparently don't check the array for */
+    /* read access, so we won't either. */
+    /*check_read(*op1); */
+    /* Unpack the dash pattern and check it */
+    n = r_size(op1);
+    pattern =
+	(float *)gs_alloc_byte_array(mem, n, sizeof(float), "setdash");
+
+    if (pattern == 0)
+	return_error(e_VMerror);
+    for (i = 0, code = 0; i < n && code >= 0; ++i) {
+	ref element;
+
+	array_get(op1, (long)i, &element);
+	code = float_param(&element, &pattern[i]);
+    }
+    if (code >= 0)
+	code = gs_setdash(igs, pattern, n, offset);
+    gs_free_object(mem, pattern, "setdash");	/* gs_setdash copies this */
+    if (code < 0)
+	return code;
+    ref_assign(&istate->dash_pattern, op1);
+    pop(2);
+    return code;
+}
+
+/* - currentdash <array> <offset> */
+private int
+zcurrentdash(register os_ptr op)
+{
+    push(2);
+    ref_assign(op - 1, &istate->dash_pattern);
+    make_real(op, gs_currentdash_offset(igs));
+    return 0;
+}
+
+/* <num> setflat - */
+private int
+zsetflat(register os_ptr op)
+{
+    return num_param(op, gs_setflat);
+}
+
+/* - currentflat <num> */
+private int
+zcurrentflat(register os_ptr op)
+{
+    push(1);
+    make_real(op, gs_currentflat(igs));
+    return 0;
+}
+
+/* ------ Extensions ------ */
+
+/* <bool> .setaccuratecurves - */
+private int
+zsetaccuratecurves(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    gs_setaccuratecurves(igs, op->value.boolval);
+    pop(1);
+    return 0;
+}
+
+/* - .currentaccuratecurves <bool> */
+private int
+zcurrentaccuratecurves(register os_ptr op)
+{
+    push(1);
+    make_bool(op, gs_currentaccuratecurves(igs));
+    return 0;
+}
+
+/* <adjust.x> <adjust.y> .setfilladjust2 - */
+private int
+zsetfilladjust2(register os_ptr op)
+{
+    double adjust[2];
+    int code = num_params(op, 2, adjust);
+
+    if (code < 0)
+	return code;
+    code = gs_setfilladjust(igs, adjust[0], adjust[1]);
+    if (code < 0)
+	return code;
+    pop(2);
+    return 0;
+}
+
+/* - .currentfilladjust2 <adjust.x> <adjust.y> */
+private int
+zcurrentfilladjust2(register os_ptr op)
+{
+    gs_point adjust;
+
+    push(2);
+    gs_currentfilladjust(igs, &adjust);
+    make_real(op - 1, adjust.x);
+    make_real(op, adjust.y);
+    return 0;
+}
+
+/* <bool> .setdashadapt - */
+private int
+zsetdashadapt(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    gs_setdashadapt(igs, op->value.boolval);
+    pop(1);
+    return 0;
+}
+
+/* - .currentdashadapt <bool> */
+private int
+zcurrentdashadapt(register os_ptr op)
+{
+    push(1);
+    make_bool(op, gs_currentdashadapt(igs));
+    return 0;
+}
+
+/* <num> <bool> .setdotlength - */
+private int
+zsetdotlength(register os_ptr op)
+{
+    double length;
+    int code = real_param(op - 1, &length);
+
+    if (code < 0)
+	return code;
+    check_type(*op, t_boolean);
+    code = gs_setdotlength(igs, length, op->value.boolval);
+    if (code < 0)
+	return code;
+    pop(2);
+    return 0;
+}
+
+/* - .currentdotlength <num> <bool> */
+private int
+zcurrentdotlength(register os_ptr op)
+{
+    push(2);
+    make_real(op - 1, gs_currentdotlength(igs));
+    make_bool(op, gs_currentdotlength_absolute(igs));
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zgstate_op_defs[] =
+{
+    {"0.currentaccuratecurves", zcurrentaccuratecurves},
+    {"0currentdash", zcurrentdash},
+    {"0.currentdashadapt", zcurrentdashadapt},
+    {"0.currentdotlength", zcurrentdotlength},
+    {"0.currentfilladjust2", zcurrentfilladjust2},
+    {"0currentflat", zcurrentflat},
+    {"0currentlinecap", zcurrentlinecap},
+    {"0currentlinejoin", zcurrentlinejoin},
+    {"0currentlinewidth", zcurrentlinewidth},
+    {"0currentmiterlimit", zcurrentmiterlimit},
+    {"0grestore", zgrestore},
+    {"0grestoreall", zgrestoreall},
+    {"0gsave", zgsave},
+    {"0initgraphics", zinitgraphics},
+    {"1.setaccuratecurves", zsetaccuratecurves},
+    {"2setdash", zsetdash},
+    {"1.setdashadapt", zsetdashadapt},
+    {"2.setdotlength", zsetdotlength},
+    {"2.setfilladjust2", zsetfilladjust2},
+    {"1setflat", zsetflat},
+    {"1.setlinecap", zsetlinecap},
+    {"1.setlinejoin", zsetlinejoin},
+    {"1setlinewidth", zsetlinewidth},
+    {"1setmiterlimit", zsetmiterlimit},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Allocate the interpreter's part of a graphics state. */
+private void *
+gs_istate_alloc(gs_memory_t * mem)
+{
+    return gs_alloc_struct(mem, int_gstate, &st_int_gstate, "int_gsave");
+}
+
+/* Copy the interpreter's part of a graphics state. */
+private int
+gs_istate_copy(void *to, const void *from)
+{
+    *(int_gstate *) to = *(const int_gstate *)from;
+    return 0;
+}
+
+/* Free the interpreter's part of a graphics state. */
+private void
+gs_istate_free(void *old, gs_memory_t * mem)
+{
+    gs_free_object(mem, old, "int_grestore");
+}
+
+/* Get a numeric parameter */
+private int
+num_param(const_os_ptr op, int (*pproc)(P2(gs_state *, floatp)))
+{
+    double param;
+    int code = real_param(op, &param);
+
+    if (code < 0)
+	return_op_typecheck(op);
+    code = (*pproc)(igs, param);
+    if (!code)
+	pop(1);
+    return code;
+}
diff --git a/pstoraster/zhsb.c b/pstoraster/zhsb.c
new file mode 100644
index 000000000..cbc5586a4
--- /dev/null
+++ b/pstoraster/zhsb.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 1994, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* HSB color operators */
+#include "ghost.h"
+#include "oper.h"
+#include "igstate.h"
+#include "store.h"
+#include "gshsb.h"
+
+/* - currenthsbcolor <hue> <saturation> <brightness> */
+private int
+zcurrenthsbcolor(register os_ptr op)
+{
+    float par[3];
+
+    gs_currenthsbcolor(igs, par);
+    push(3);
+    make_floats(op - 2, par, 3);
+    return 0;
+}
+
+/* <hue> <saturation> <brightness> sethsbcolor - */
+private int
+zsethsbcolor(register os_ptr op)
+{
+    double par[3];
+    int code;
+
+    if ((code = num_params(op, 3, par)) < 0 ||
+	(code = gs_sethsbcolor(igs, par[0], par[1], par[2])) < 0
+	)
+	return code;
+    make_null(&istate->colorspace.array);
+    pop(3);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zhsb_op_defs[] =
+{
+    {"0currenthsbcolor", zcurrenthsbcolor},
+    {"3sethsbcolor", zsethsbcolor},
+    op_def_end(0)
+};
diff --git a/pstoraster/zht.c b/pstoraster/zht.c
new file mode 100644
index 000000000..006d015fc
--- /dev/null
+++ b/pstoraster/zht.c
@@ -0,0 +1,265 @@
+/* Copyright (C) 1989, 1991, 1993, 1994, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Halftone definition operators */
+#include "ghost.h"
+#include "memory_.h"
+#include "oper.h"
+#include "estack.h"
+#include "gsstruct.h"		/* must precede igstate.h, */
+					/* because of #ifdef in gsht.h */
+#include "ialloc.h"
+#include "igstate.h"
+#include "gsmatrix.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gzht.h"
+#include "gsstate.h"
+#include "iht.h"		/* prototypes */
+#include "store.h"
+
+/* Forward references */
+private int screen_sample(P1(os_ptr));
+private int set_screen_continue(P1(os_ptr));
+private int screen_cleanup(P1(os_ptr));
+
+/* - .currenthalftone <dict> 0 */
+/* - .currenthalftone <frequency> <angle> <proc> 1 */
+/* - .currenthalftone <red_freq> ... <gray_proc> 2 */
+private int
+zcurrenthalftone(register os_ptr op)
+{
+    gs_halftone ht;
+
+    gs_currenthalftone(igs, &ht);
+    switch (ht.type) {
+	case ht_type_screen:
+	    push(4);
+	    make_real(op - 3, ht.params.screen.frequency);
+	    make_real(op - 2, ht.params.screen.angle);
+	    op[-1] = istate->screen_procs.colored.gray;
+	    make_int(op, 1);
+	    break;
+	case ht_type_colorscreen:
+	    push(13);
+	    {
+		int i;
+
+		for (i = 0; i < 4; i++) {
+		    os_ptr opc = op - 12 + i * 3;
+		    gs_screen_halftone *pht =
+		    &ht.params.colorscreen.screens.indexed[i];
+
+		    make_real(opc, pht->frequency);
+		    make_real(opc + 1, pht->angle);
+		    opc[2] = istate->screen_procs.indexed[i];
+		}
+	    }
+	    make_int(op, 2);
+	    break;
+	default:		/* Screen was set by sethalftone. */
+	    push(2);
+	    op[-1] = istate->halftone;
+	    make_int(op, 0);
+	    break;
+    }
+    return 0;
+}
+
+/* - .currentscreenlevels <int> */
+private int
+zcurrentscreenlevels(register os_ptr op)
+{
+    push(1);
+    make_int(op, gs_currentscreenlevels(igs));
+    return 0;
+}
+
+/* The setscreen operator is complex because it has to sample */
+/* each pixel in the pattern cell, calling a procedure, and then */
+/* sort the result into a whitening order. */
+
+/* Layout of stuff pushed on estack: */
+/*      Control mark, */
+/*      [other stuff for other screen-setting operators], */
+/*      finishing procedure (or 0), */
+/*      spot procedure, */
+/*      enumeration structure (as bytes). */
+#define snumpush 4
+#define sproc esp[-1]
+#define senum r_ptr(esp, gs_screen_enum)
+
+/* Forward references */
+int zscreen_enum_init(P7(os_ptr, const gx_ht_order *, gs_screen_halftone *,
+			 ref *, int, int (*)(P1(os_ptr)), gs_memory_t *));
+private int setscreen_finish(P1(os_ptr));
+
+/* <frequency> <angle> <proc> setscreen - */
+private int
+zsetscreen(register os_ptr op)
+{
+    gs_screen_halftone screen;
+    gx_ht_order order;
+    int code = zscreen_params(op, &screen);
+    gs_memory_t *mem;
+
+    if (code < 0)
+	return code;
+    mem = (gs_memory_t *)idmemory->spaces.indexed[r_space_index(op)];
+    /*
+     * Allocate the halftone in the same VM space as the procedure.
+     * This keeps the space relationships consistent.
+     */
+    code = gs_screen_order_init_memory(&order, igs, &screen,
+				       gs_currentaccuratescreens(), mem);
+    if (code < 0)
+	return code;
+    return zscreen_enum_init(op, &order, &screen, op, 3,
+			     setscreen_finish, mem);
+}
+/* We break out the body of this operator so it can be shared with */
+/* the code for Type 1 halftones in sethalftone. */
+int
+zscreen_enum_init(os_ptr op, const gx_ht_order * porder,
+		  gs_screen_halftone * psp, ref * pproc, int npop,
+		  int (*finish_proc)(P1(os_ptr)), gs_memory_t * mem)
+{
+    gs_screen_enum *penum;
+    int code;
+
+    check_estack(snumpush + 1);
+    penum = gs_screen_enum_alloc(imemory, "setscreen");
+    if (penum == 0)
+	return_error(e_VMerror);
+    make_istruct(esp + snumpush, 0, penum);	/* do early for screen_cleanup in case of error */
+    code = gs_screen_enum_init_memory(penum, porder, igs, psp, mem);
+    if (code < 0) {
+	screen_cleanup(op);
+	return code;
+    }
+    /* Push everything on the estack */
+    make_mark_estack(esp + 1, es_other, screen_cleanup);
+    esp += snumpush;
+    make_op_estack(esp - 2, finish_proc);
+    sproc = *pproc;
+    push_op_estack(screen_sample);
+    pop(npop);
+    return o_push_estack;
+}
+/* Set up the next sample */
+private int
+screen_sample(register os_ptr op)
+{
+    gs_screen_enum *penum = senum;
+    gs_point pt;
+    int code = gs_screen_currentpoint(penum, &pt);
+    ref proc;
+
+    switch (code) {
+	default:
+	    return code;
+	case 1:
+	    /* All done */
+	    if (real_opproc(esp - 2) != 0)
+		code = (*real_opproc(esp - 2)) (op);
+	    esp -= snumpush;
+	    screen_cleanup(op);
+	    return (code < 0 ? code : o_pop_estack);
+	case 0:
+	    ;
+    }
+    push(2);
+    make_real(op - 1, pt.x);
+    make_real(op, pt.y);
+    proc = sproc;
+    push_op_estack(set_screen_continue);
+    *++esp = proc;
+    return o_push_estack;
+}
+/* Continuation procedure for processing sampled pixels. */
+private int
+set_screen_continue(register os_ptr op)
+{
+    double value;
+    int code = real_param(op, &value);
+
+    if (code < 0)
+	return code;
+    code = gs_screen_next(senum, value);
+    if (code < 0)
+	return code;
+    pop(1);
+    op--;
+    return screen_sample(op);
+}
+/* Finish setscreen. */
+private int
+setscreen_finish(os_ptr op)
+{
+    gs_screen_install(senum);
+    istate->screen_procs.colored.red = sproc;
+    istate->screen_procs.colored.green = sproc;
+    istate->screen_procs.colored.blue = sproc;
+    istate->screen_procs.colored.gray = sproc;
+    make_null(&istate->halftone);
+    return 0;
+}
+/* Clean up after screen enumeration */
+private int
+screen_cleanup(os_ptr op)
+{
+    ifree_object(esp[snumpush].value.pstruct, "screen_cleanup");
+    return 0;
+}
+
+/* ------ Utility procedures ------ */
+
+/* Get parameters for a single screen. */
+int
+zscreen_params(os_ptr op, gs_screen_halftone * phs)
+{
+    double fa[2];
+    int code = num_params(op - 1, 2, fa);
+
+    if (code < 0)
+	return code;
+    check_proc(*op);
+    phs->frequency = fa[0];
+    phs->angle = fa[1];
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zht_op_defs[] =
+{
+    {"0.currenthalftone", zcurrenthalftone},
+    {"0.currentscreenlevels", zcurrentscreenlevels},
+    {"3setscreen", zsetscreen},
+		/* Internal operators */
+    {"0%screen_sample", screen_sample},
+    {"1%set_screen_continue", set_screen_continue},
+    {"0%setscreen_finish", setscreen_finish},
+    op_def_end(0)
+};
diff --git a/pstoraster/zht1.c b/pstoraster/zht1.c
new file mode 100644
index 000000000..72322093d
--- /dev/null
+++ b/pstoraster/zht1.c
@@ -0,0 +1,156 @@
+/* Copyright (C) 1994, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* setcolorscreen operator */
+#include "ghost.h"
+#include "memory_.h"
+#include "oper.h"
+#include "estack.h"
+#include "gsstruct.h"		/* must precede igstate.h, */
+					/* because of #ifdef in gsht.h */
+#include "ialloc.h"
+#include "igstate.h"
+#include "gsmatrix.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gzht.h"
+#include "gsstate.h"
+#include "iht.h"
+#include "store.h"
+
+/* Dummy spot function */
+float
+spot_dummy(floatp x, floatp y)
+{
+    return (x + y) / 2;
+}
+
+/* <red_freq> ... <gray_proc> setcolorscreen - */
+private int setcolorscreen_finish(P1(os_ptr));
+private int setcolorscreen_cleanup(P1(os_ptr));
+private int
+zsetcolorscreen(register os_ptr op)
+{
+    gs_colorscreen_halftone cscreen;
+    ref sprocs[4];
+    gs_halftone *pht;
+    gx_device_halftone *pdht;
+    int i;
+    int code = 0;
+    int space = 0;
+    gs_memory_t *mem;
+
+    for (i = 0; i < 4; i++) {
+	os_ptr op1 = op - 9 + i * 3;
+	int code = zscreen_params(op1, &cscreen.screens.indexed[i]);
+
+	if (code < 0)
+	    return code;
+	cscreen.screens.indexed[i].spot_function = spot_dummy;
+	sprocs[i] = *op1;
+	space = max(space, r_space_index(op1));
+    }
+    mem = (gs_memory_t *)idmemory->spaces.indexed[space];
+    check_estack(8);		/* for sampling screens */
+    rc_alloc_struct_0(pht, gs_halftone, &st_halftone,
+		      mem, pht = 0, "setcolorscreen(halftone)");
+    rc_alloc_struct_0(pdht, gx_device_halftone, &st_device_halftone,
+		      mem, pdht = 0, "setcolorscreen(device halftone)");
+    if (pht == 0 || pdht == 0)
+	code = gs_note_error(e_VMerror);
+    else {
+	pht->type = ht_type_colorscreen;
+	pht->params.colorscreen = cscreen;
+	code = gs_sethalftone_prepare(igs, pht, pdht);
+    }
+    if (code >= 0) {		/* Schedule the sampling of the screens. */
+	es_ptr esp0 = esp;	/* for backing out */
+
+	esp += 8;
+	make_mark_estack(esp - 7, es_other, setcolorscreen_cleanup);
+	memcpy(esp - 6, sprocs, sizeof(ref) * 4);	/* procs */
+	make_istruct(esp - 2, 0, pht);
+	make_istruct(esp - 1, 0, pdht);
+	make_op_estack(esp, setcolorscreen_finish);
+	for (i = 0; i < 4; i++) {
+	    /* Shuffle the indices to correspond to */
+	    /* the component order. */
+	    code = zscreen_enum_init(op,
+				     &pdht->components[(i + 1) & 3].corder,
+				&pht->params.colorscreen.screens.indexed[i],
+				     &sprocs[i], 0, 0, mem);
+	    if (code < 0) {
+		esp = esp0;
+		break;
+	    }
+	}
+    }
+    if (code < 0) {
+	gs_free_object(mem, pdht, "setcolorscreen(device halftone)");
+	gs_free_object(mem, pht, "setcolorscreen(halftone)");
+	return code;
+    }
+    pop(12);
+    return o_push_estack;
+}
+/* Install the color screen after sampling. */
+private int
+setcolorscreen_finish(os_ptr op)
+{
+    gx_device_halftone *pdht = r_ptr(esp, gx_device_halftone);
+    int code;
+
+    pdht->order = pdht->components[0].corder;
+    code = gx_ht_install(igs, r_ptr(esp - 1, gs_halftone), pdht);
+    if (code < 0)
+	return code;
+    memcpy(istate->screen_procs.indexed, esp - 5, sizeof(ref) * 4);
+    make_null(&istate->halftone);
+    esp -= 7;
+    setcolorscreen_cleanup(op);
+    return o_pop_estack;
+}
+/* Clean up after installing the color screen. */
+private int
+setcolorscreen_cleanup(os_ptr op)
+{
+    gs_halftone *pht = r_ptr(esp + 6, gs_halftone);
+    gx_device_halftone *pdht = r_ptr(esp + 7, gx_device_halftone);
+
+    gs_free_object(pdht->rc.memory, pdht,
+		   "setcolorscreen_cleanup(device halftone)");
+    gs_free_object(pht->rc.memory, pht,
+		   "setcolorscreen_cleanup(halftone)");
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zht1_op_defs[] =
+{
+    {"<setcolorscreen", zsetcolorscreen},
+		/* Internal operators */
+    {"0%setcolorscreen_finish", setcolorscreen_finish},
+    op_def_end(0)
+};
diff --git a/pstoraster/zht2.c b/pstoraster/zht2.c
new file mode 100644
index 000000000..9eeee0ed2
--- /dev/null
+++ b/pstoraster/zht2.c
@@ -0,0 +1,357 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 sethalftone operator */
+#include "ghost.h"
+#include "oper.h"
+#include "gsstruct.h"
+#include "gxdevice.h"		/* for gzht.h */
+#include "gzht.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "icolor.h"
+#include "iht.h"
+#include "store.h"
+
+/* Forward references */
+private int dict_spot_params(P4(const ref *, gs_spot_halftone *,
+				ref *, ref *));
+private int dict_spot_results(P2(ref *, const gs_spot_halftone *));
+private int dict_threshold_params(P3(const ref *,
+				     gs_threshold_halftone *, ref *));
+
+/* <dict> <dict5> .sethalftone5 - */
+float spot_dummy(P2(floatp, floatp));	/* in zht1.c */
+int spot_sample_finish(P1(os_ptr));	/* in zht.c */
+private int sethalftone_finish(P1(os_ptr));
+private int sethalftone_cleanup(P1(os_ptr));
+private int
+zsethalftone5(register os_ptr op)
+{
+    uint count;
+    gs_halftone_component *phtc;
+    gs_halftone_component *pc;
+    int code = 0;
+    int i, j;
+    gs_halftone *pht;
+    gx_device_halftone *pdht;
+    static const char *const color_names[] = {
+	gs_ht_separation_name_strings
+    };
+    ref sprocs[countof(color_names)];
+    ref tprocs[countof(color_names)];
+    gs_memory_t *mem;
+    int npop = 2;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    check_type(op[-1], t_dictionary);
+    check_dict_read(op[-1]);
+    count = 0;
+    for (i = 0; i < countof(color_names); i++) {
+	ref *pvalue;
+
+	if (dict_find_string(op, color_names[i], &pvalue) > 0)
+	    count++;
+	else if (i == gs_ht_separation_Default)
+	    return_error(e_typecheck);
+    }
+    mem = (gs_memory_t *) idmemory->spaces.indexed[r_space_index(op - 1)];
+    check_estack(5);		/* for sampling Type 1 screens */
+    refset_null(sprocs, countof(sprocs));
+    refset_null(tprocs, countof(tprocs));
+    rc_alloc_struct_0(pht, gs_halftone, &st_halftone,
+		      imemory, pht = 0, ".sethalftone5");
+    phtc = gs_alloc_struct_array(mem, count, gs_halftone_component,
+				 &st_ht_component_element,
+				 ".sethalftone5");
+    rc_alloc_struct_0(pdht, gx_device_halftone, &st_device_halftone,
+		      imemory, pdht = 0, ".sethalftone5");
+    if (pht == 0 || phtc == 0 || pdht == 0)
+	code = gs_note_error(e_VMerror);
+    else
+	for (i = 0, j = 0, pc = phtc; i < countof(color_names); i++) {
+	    int type;
+	    ref *pvalue;
+
+	    if (dict_find_string(op, color_names[i], &pvalue) > 0) {
+		check_type_only(*pvalue, t_dictionary);
+		check_dict_read(*pvalue);
+		if (dict_int_param(pvalue, "HalftoneType", 1, 5, 0,
+				   &type) < 0
+		    ) {
+		    code = gs_note_error(e_typecheck);
+		    break;
+		}
+		switch (type) {
+		    default:
+			code = gs_note_error(e_rangecheck);
+			break;
+		    case 1:
+			code = dict_spot_params(pvalue,
+						&pc->params.spot, sprocs + j,
+						tprocs + j);
+			pc->params.spot.screen.spot_function =
+			    spot_dummy;
+			pc->type = ht_type_spot;
+			break;
+		    case 3:
+			code = dict_threshold_params(pvalue,
+					 &pc->params.threshold, tprocs + j);
+			pc->type = ht_type_threshold;
+			break;
+		}
+		if (code < 0)
+		    break;
+		pc->cname = (gs_ht_separation_name) i;
+		pc++, j++;
+	    }
+	}
+    if (code >= 0) {
+	/*
+	 * We think that Type 2 and Type 4 halftones, like
+	 * screens set by setcolorscreen, adapt automatically to
+	 * the device color space, so we need to mark them
+	 * with a different internal halftone type.
+	 */
+	int type = 0;
+
+	dict_int_param(op - 1, "HalftoneType", 1, 5, 0, &type);
+	pht->type =
+	    (type == 2 || type == 4 ? ht_type_multiple_colorscreen :
+	     ht_type_multiple);
+	pht->params.multiple.components = phtc;
+	pht->params.multiple.num_comp = count;
+	code = gs_sethalftone_prepare(igs, pht, pdht);
+    }
+    if (code >= 0)
+	for (j = 0, pc = phtc; j < count; j++, pc++) {
+	    if (pc->type == ht_type_spot) {
+		ref *pvalue;
+
+		dict_find_string(op, color_names[pc->cname], &pvalue);
+		code = dict_spot_results(pvalue, &pc->params.spot);
+		if (code < 0)
+		    break;
+	    }
+	}
+    if (code >= 0) {
+	/*
+	 * Schedule the sampling of any Type 1 screens,
+	 * and any (Type 1 or Type 3) TransferFunctions.
+	 * Save the stack depths in case we have to back out.
+	 */
+	uint edepth = ref_stack_count(&e_stack);
+	uint odepth = ref_stack_count(&o_stack);
+	ref odict, odict5;
+
+	odict = op[-1];
+	odict5 = *op;
+	pop(2);
+	op = osp;
+	esp += 5;
+	make_mark_estack(esp - 4, es_other, sethalftone_cleanup);
+	esp[-3] = odict;
+	make_istruct(esp - 2, 0, pht);
+	make_istruct(esp - 1, 0, pdht);
+	make_op_estack(esp, sethalftone_finish);
+	for (j = 0; j < count; j++) {
+	    gx_ht_order *porder =
+	    (pdht->components == 0 ? &pdht->order :
+	     &pdht->components[j].corder);
+
+	    switch (phtc[j].type) {
+		case ht_type_spot:
+		    code = zscreen_enum_init(op, porder,
+					     &phtc[j].params.spot.screen,
+					     &sprocs[j], 0, 0, mem);
+		    if (code < 0)
+			break;
+		    /* falls through */
+		case ht_type_threshold:
+		    if (!r_has_type(tprocs + j, t__invalid)) {
+			/* Schedule TransferFunction sampling. */
+			/****** check_xstack IS WRONG ******/
+			check_ostack(zcolor_remap_one_ostack);
+			check_estack(zcolor_remap_one_estack);
+			code = zcolor_remap_one(tprocs + j,
+						op, porder->transfer, igs,
+						zcolor_remap_one_finish);
+			op = osp;
+		    }
+		    break;
+		default:	/* not possible here, but to keep */
+		    /* the compilers happy.... */
+		    ;
+	    }
+	    if (code < 0) {	/* Restore the stack. */
+		ref_stack_pop_to(&o_stack, odepth);
+		ref_stack_pop_to(&e_stack, edepth);
+		op = osp;
+		op[-1] = odict;
+		*op = odict5;
+		break;
+	    }
+	    npop = 0;
+	}
+    }
+    if (code < 0) {
+	gs_free_object(mem, pdht, ".sethalftone5");
+	gs_free_object(mem, phtc, ".sethalftone5");
+	gs_free_object(mem, pht, ".sethalftone5");
+	return code;
+    }
+    pop(npop);
+    return o_push_estack;
+}
+/* Install the halftone after sampling. */
+private int
+sethalftone_finish(os_ptr op)
+{
+    gx_device_halftone *pdht = r_ptr(esp, gx_device_halftone);
+    int code;
+
+    if (pdht->components)
+	pdht->order = pdht->components[0].corder;
+    code = gx_ht_install(igs, r_ptr(esp - 1, gs_halftone), pdht);
+    if (code < 0)
+	return code;
+    istate->halftone = esp[-2];
+    esp -= 4;
+    sethalftone_cleanup(op);
+    return o_pop_estack;
+}
+/* Clean up after installing the halftone. */
+private int
+sethalftone_cleanup(os_ptr op)
+{
+    gx_device_halftone *pdht = r_ptr(&esp[4], gx_device_halftone);
+    gs_halftone *pht = r_ptr(&esp[3], gs_halftone);
+
+    gs_free_object(pdht->rc.memory, pdht,
+		   "sethalftone_cleanup(device halftone)");
+    gs_free_object(pht->rc.memory, pht,
+		   "sethalftone_cleanup(halftone)");
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zht2_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"2.sethalftone5", zsethalftone5},
+		/* Internal operators */
+    {"0%sethalftone_finish", sethalftone_finish},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Extract frequency, angle, spot function, and accurate screens flag */
+/* from a dictionary. */
+private int
+dict_spot_params(const ref * pdict, gs_spot_halftone * psp,
+		 ref * psproc, ref * ptproc)
+{
+    int code;
+
+    check_dict_read(*pdict);
+    if ((code = dict_float_param(pdict, "Frequency", 0.0,
+				 &psp->screen.frequency)) != 0 ||
+	(code = dict_float_param(pdict, "Angle", 0.0,
+				 &psp->screen.angle)) != 0 ||
+      (code = dict_proc_param(pdict, "SpotFunction", psproc, false)) != 0 ||
+	(code = dict_bool_param(pdict, "AccurateScreens",
+				gs_currentaccuratescreens(),
+				&psp->accurate_screens)) < 0 ||
+      (code = dict_proc_param(pdict, "TransferFunction", ptproc, false)) < 0
+	)
+	return (code < 0 ? code : e_undefined);
+    psp->transfer = (code > 0 ? (gs_mapping_proc) 0 : gs_mapped_transfer);
+    psp->transfer_closure.proc = 0;
+    psp->transfer_closure.data = 0;
+    return 0;
+}
+
+/* Set actual frequency and angle in a dictionary. */
+private int
+dict_real_result(ref * pdict, const char *kstr, floatp val)
+{
+    int code = 0;
+    ref *ignore;
+
+    if (dict_find_string(pdict, kstr, &ignore) > 0) {
+	ref rval;
+
+	check_dict_write(*pdict);
+	make_real(&rval, val);
+	code = dict_put_string(pdict, kstr, &rval);
+    }
+    return code;
+}
+private int
+dict_spot_results(ref * pdict, const gs_spot_halftone * psp)
+{
+    int code;
+
+    code = dict_real_result(pdict, "ActualFrequency",
+			    psp->screen.actual_frequency);
+    if (code < 0)
+	return code;
+    return dict_real_result(pdict, "ActualAngle",
+			    psp->screen.actual_angle);
+}
+
+/* Extract width, height, and thresholds from a dictionary. */
+private int
+dict_threshold_params(const ref * pdict, gs_threshold_halftone * ptp,
+		      ref * ptproc)
+{
+    int code;
+    ref *tstring;
+
+    check_dict_read(*pdict);
+    if ((code = dict_int_param(pdict, "Width", 1, 0x7fff, -1,
+			       &ptp->width)) < 0 ||
+	(code = dict_int_param(pdict, "Height", 1, 0x7fff, -1,
+			       &ptp->height)) < 0 ||
+	(code = dict_find_string(pdict, "Thresholds", &tstring)) <= 0 ||
+      (code = dict_proc_param(pdict, "TransferFunction", ptproc, false)) < 0
+	)
+	return (code < 0 ? code : e_undefined);
+    check_read_type_only(*tstring, t_string);
+    if (r_size(tstring) != (long)ptp->width * ptp->height)
+	return_error(e_rangecheck);
+    ptp->thresholds.data = tstring->value.const_bytes;
+    ptp->thresholds.size = r_size(tstring);
+    ptp->transfer = (code > 0 ? (gs_mapping_proc) 0 : gs_mapped_transfer);
+    ptp->transfer_closure.proc = 0;
+    ptp->transfer_closure.data = 0;
+    return 0;
+}
diff --git a/pstoraster/zimage.c b/pstoraster/zimage.c
new file mode 100644
index 000000000..4a1fe20bf
--- /dev/null
+++ b/pstoraster/zimage.c
@@ -0,0 +1,490 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Image operators */
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"		/* for image[mask] */
+#include "gsstruct.h"
+#include "ialloc.h"
+#include "igstate.h"
+#include "ilevel.h"
+#include "store.h"
+#include "gscspace.h"
+#include "gsmatrix.h"
+#include "gsimage.h"
+#include "gxiparam.h"
+#include "stream.h"
+#include "ifilter.h"		/* for stream exception handling */
+#include "iimage.h"
+
+/* Forward references */
+private int image_setup(P4(gs_image_t * pim, os_ptr op,
+			   const gs_color_space * pcs, int npop));
+private int image_proc_continue(P1(os_ptr));
+private int image_file_continue(P1(os_ptr));
+private int image_file_buffered_continue(P1(os_ptr));
+private int image_string_process(P3(os_ptr, gs_image_enum *, int));
+private int image_cleanup(P1(os_ptr));
+
+/* <width> <height> <bits/sample> <matrix> <datasrc> image - */
+int
+zimage(register os_ptr op)
+{
+    return zimage_opaque_setup(op, false, gs_image_alpha_none,
+		     gs_cspace_DeviceGray((const gs_imager_state *)igs), 5);
+}
+
+/* <width> <height> <paint_1s> <matrix> <datasrc> imagemask - */
+int
+zimagemask(register os_ptr op)
+{
+    gs_image_t image;
+
+    check_type(op[-2], t_boolean);
+    gs_image_t_init_mask(&image, op[-2].value.boolval);
+    return image_setup(&image, op, NULL, 5);
+}
+
+/* Common setup for [color|alpha]image. */
+/* Fills in format, BitsPerComponent, Alpha. */
+int
+zimage_opaque_setup(os_ptr op, bool multi, gs_image_alpha_t alpha,
+		    const gs_color_space * pcs, int npop)
+{
+    gs_image_t image;
+
+    check_int_leu(op[-2], (level2_enabled ? 12 : 8));	/* bits/sample */
+    gs_image_t_init(&image, pcs);
+    image.BitsPerComponent = (int)op[-2].value.intval;
+    image.Alpha = alpha;
+    image.format =
+	(multi ? gs_image_format_component_planar : gs_image_format_chunky);
+    return image_setup(&image, op, pcs, npop);
+}
+
+/* Common setup for [color|alpha]image and imagemask. */
+/* Fills in Width, Height, ImageMatrix, ColorSpace. */
+private int
+image_setup(gs_image_t * pim, os_ptr op, const gs_color_space * pcs, int npop)
+{
+    int code;
+
+    check_type(op[-4], t_integer);	/* width */
+    check_type(op[-3], t_integer);	/* height */
+    if (op[-4].value.intval < 0 || op[-3].value.intval < 0)
+	return_error(e_rangecheck);
+    if ((code = read_matrix(op - 1, &pim->ImageMatrix)) < 0)
+	return code;
+    pim->ColorSpace = pcs;
+    pim->Width = (int)op[-4].value.intval;
+    pim->Height = (int)op[-3].value.intval;
+    return zimage_setup((gs_pixel_image_t *) pim, op,
+			pim->ImageMask | pim->CombineWithColor, npop);
+}
+
+/* Common setup for all Level 1 and 2 images, and ImageType 4 images. */
+int
+zimage_setup(const gs_pixel_image_t * pim, const ref * sources,
+	     bool uses_color, int npop)
+{
+    gx_image_enum_common_t *pie;
+    int code =
+	gs_image_begin_typed((const gs_image_common_t *)pim, igs,
+			     uses_color, &pie);
+
+    if (code < 0)
+	return code;
+    return zimage_data_setup((const gs_pixel_image_t *)pim, pie,
+			     sources, npop);
+}
+
+/* Common setup for all Level 1 and 2 images, and ImageType 3 and 4 images. */
+int
+zimage_data_setup(const gs_pixel_image_t * pim, gx_image_enum_common_t * pie,
+		  const ref * sources, int npop)
+{
+    int num_sources = pie->num_planes;
+
+#define NUM_PUSH(nsource) ((nsource) * 2 + 4)	/* see below */
+    int inumpush = NUM_PUSH(num_sources);
+    int code;
+    gs_image_enum *penum;
+    int px;
+    const ref *pp;
+    bool must_buffer = false;
+
+    /*
+     * We push the following on the estack.
+     *      Control mark,
+     *      num_sources times (plane N-1 first, plane 0 last):
+     *          row buffers (only if must_buffer, otherwise null),
+     *          data sources,
+     *      current plane index,
+     *      current byte in row (only if must_buffer, otherwise 0),
+     *      enumeration structure.
+     */
+    check_estack(inumpush + 2);	/* stuff above, + continuation + proc */
+    /*
+     * Note that the data sources may be procedures, strings, or (Level
+     * 2 only) files.  (The Level 1 reference manual says that Level 1
+     * requires procedures, but Adobe Level 1 interpreters also accept
+     * strings.)  The sources must all be of the same type.
+     *
+     * If the sources are files, and two or more are the same file,
+     * we must buffer data for each row; otherwise, we can deliver the
+     * data directly out of the stream buffers.  This is OK even if
+     * some of the sources are filters on the same file, since they
+     * have separate buffers.
+     */
+    for (px = 0, pp = sources; px < num_sources; px++, pp++) {
+	switch (r_type(pp)) {
+	    case t_file:
+		if (!level2_enabled)
+		    return_error(e_typecheck);
+		/* Check for aliasing. */
+		{
+		    int pi;
+
+		    for (pi = 0; pi < px; ++pi)
+			if (sources[pi].value.pfile == pp->value.pfile)
+			    must_buffer = true;
+		}
+		/* falls through */
+	    case t_string:
+		if (r_type(pp) != r_type(sources))
+		    return_error(e_typecheck);
+		check_read(*pp);
+		break;
+	    default:
+		if (!r_is_proc(sources))
+		    return_error(e_typecheck);
+		check_proc(*pp);
+	}
+    }
+    if ((penum = gs_image_enum_alloc(imemory, "image_setup")) == 0)
+	return_error(e_VMerror);
+    code = gs_image_common_init(penum, pie, (const gs_data_image_t *)pim,
+				imemory, gs_currentdevice(igs));
+    if (code != 0) {		/* error, or empty image */
+	ifree_object(penum, "image_setup");
+	if (code >= 0)		/* empty image */
+	    pop(npop);
+	return code;
+    }
+    push_mark_estack(es_other, image_cleanup);
+    ++esp;
+    for (px = 0, pp = sources + num_sources - 1;
+	 px < num_sources; esp += 2, ++px, --pp
+	) {
+	make_null(esp);		/* buffer */
+	esp[1] = *pp;
+    }
+    esp += 2;
+    make_int(esp - 2, 0);	/* current plane */
+    make_int(esp - 1, 0);	/* current byte in row */
+    make_istruct(esp, 0, penum);
+    switch (r_type(sources)) {
+	case t_file:
+	    if (must_buffer) {	/* Allocate a buffer for each row. */
+		for (px = 0; px < num_sources; ++px) {
+		    uint size = gs_image_bytes_per_plane_row(penum, px);
+		    byte *sbody = ialloc_string(size, "image_setup");
+
+		    if (sbody == 0) {
+			esp -= inumpush;
+			image_cleanup(osp);
+			return_error(e_VMerror);
+		    }
+		    make_string(esp - 4 - px * 2,
+				icurrent_space, size, sbody);
+		}
+		push_op_estack(image_file_buffered_continue);
+	    } else {
+		push_op_estack(image_file_continue);
+	    }
+	    break;
+	case t_string:
+	    pop(npop);
+	    return image_string_process(osp, penum, num_sources);
+	default:		/* procedure */
+	    push_op_estack(image_proc_continue);
+	    *++esp = sources[0];
+	    break;
+    }
+    pop(npop);
+    return o_push_estack;
+}
+/* Pop all the control information off the e-stack. */
+private es_ptr
+zimage_pop_estack(es_ptr tep)
+{
+    es_ptr ep = tep - 3;
+
+    while (!r_is_estack_mark(ep))
+	ep -= 2;
+    return ep - 1;
+}
+/* Continuation for procedure data source. */
+private int
+image_proc_continue(register os_ptr op)
+{
+    gs_image_enum *penum = r_ptr(esp, gs_image_enum);
+    uint size, used;
+    int code;
+    int px;
+    const ref *pp;
+
+    if (!r_has_type_attrs(op, t_string, a_read)) {
+	check_op(1);
+	/* Procedure didn't return a (readable) string.  Quit. */
+	esp = zimage_pop_estack(esp);
+	image_cleanup(op);
+	return_error(!r_has_type(op, t_string) ? e_typecheck : e_invalidaccess);
+    }
+    size = r_size(op);
+    if (size == 0)
+	code = 1;
+    else
+	code = gs_image_next(penum, op->value.bytes, size, &used);
+    if (code) {			/* Stop now. */
+	esp = zimage_pop_estack(esp);
+	pop(1);
+	op = osp;
+	image_cleanup(op);
+	return (code < 0 ? code : o_pop_estack);
+    }
+    pop(1);
+    px = (int)(esp[-2].value.intval) + 1;
+    pp = esp - 3 - px * 2;
+    if (r_is_estack_mark(pp))
+	px = 0, pp = esp - 3;
+    esp[-2].value.intval = px;
+    push_op_estack(image_proc_continue);
+    *++esp = *pp;
+    return o_push_estack;
+}
+/* Continue processing data from an image with file data sources */
+/* and no file buffering. */
+private int
+image_file_continue(os_ptr op)
+{
+    gs_image_enum *penum = r_ptr(esp, gs_image_enum);
+    const ref *pproc = esp - 3;
+
+    for (;;) {
+	uint size = max_uint;
+	int code;
+	int pn, px;
+	const ref *pp;
+
+	/*
+	 * Do a first pass through the files to ensure that they all
+	 * have data available in their buffers, and compute the min
+	 * of the available amounts.
+	 */
+
+	for (pn = 0, pp = pproc; !r_is_estack_mark(pp);
+	     ++pn, pp -= 2
+	    ) {
+	    stream *s = pp->value.pfile;
+	    int min_left = sbuf_min_left(s);
+	    uint avail;
+
+	    while ((avail = sbufavailable(s)) <= min_left) {
+		int next = sgetc(s);
+
+		if (next >= 0) {
+		    sputback(s);
+		    if (s->end_status == EOFC || s->end_status == ERRC)
+			min_left = 0;
+		    continue;
+		}
+		switch (next) {
+		    case EOFC:
+			break;	/* with avail = 0 */
+		    case INTC:
+		    case CALLC:
+			return
+			    s_handle_read_exception(next, pp,
+					      NULL, 0, image_file_continue);
+		    default:
+			/* case ERRC: */
+			return_error(e_ioerror);
+		}
+		break;		/* for EOFC */
+	    }
+	    /* Note that in the EOF case, we can get here with */
+	    /* avail < min_left. */
+	    if (avail >= min_left) {
+		avail -= min_left;
+		if (avail < size)
+		    size = avail;
+	    } else
+		size = 0;
+	}
+
+	/* Now pass the min of the available buffered data to */
+	/* the image processor. */
+
+	if (size == 0)
+	    code = 1;
+	else {
+	    int pi;
+	    uint used;		/* only set for the last plane */
+
+	    for (px = 0, pp = pproc, code = 0; px < pn && !code;
+		 ++px, pp -= 2
+		)
+		code = gs_image_next(penum, sbufptr(pp->value.pfile),
+				     size, &used);
+	    /* Now that used has been set, update the streams. */
+	    for (pi = 0, pp = pproc; pi < px; ++pi, pp -= 2)
+		sbufskip(pp->value.pfile, used);
+	}
+	if (code) {
+	    esp = zimage_pop_estack(esp);
+	    image_cleanup(op);
+	    return (code < 0 ? code : o_pop_estack);
+	}
+    }
+}
+/* Continue processing data from an image with file data sources */
+/* and file buffering.  This is similar to the procedure case. */
+private int
+image_file_buffered_continue(os_ptr op)
+{
+    gs_image_enum *penum = r_ptr(esp, gs_image_enum);
+    const ref *pproc = esp - 3;
+    int px = esp[-2].value.intval;
+    int dpos = esp[-1].value.intval;
+    int code = 0;
+
+    while (!code) {
+	const ref *pp;
+
+	/****** 0 IS BOGUS ******/
+	uint size = gs_image_bytes_per_plane_row(penum, 0);
+	uint avail = size;
+	uint used;
+	int pi;
+
+	/* Accumulate data until we have a full set of planes. */
+	while (!r_is_estack_mark(pp = pproc - px * 2)) {
+	    const ref *pb = pp - 1;
+	    uint used;
+	    int status = sgets(pp->value.pfile, pb->value.bytes,
+			       size - dpos, &used);
+
+	    if ((dpos += used) == size)
+		dpos = 0, ++px;
+	    else
+		switch (status) {
+		    case EOFC:
+			if (dpos < avail)
+			    avail = dpos;
+			dpos = 0, ++px;
+			break;
+		    case INTC:
+		    case CALLC:
+			/* Call out to read from a procedure-based stream. */
+			esp[-2].value.intval = px;
+			esp[-1].value.intval = dpos;
+			return s_handle_read_exception(status, pp,
+				     NULL, 0, image_file_buffered_continue);
+		    default:
+			/*case ERRC: */
+			return_error(e_ioerror);
+		}
+	}
+	/* Pass the data to the image processor. */
+	if (avail == 0) {
+	    code = 1;
+	    break;
+	}
+	for (pi = 0, pp = pproc; pi < px && !code; ++pi, pp -= 2)
+	    code = gs_image_next(penum, pp->value.bytes, avail, &used);
+	/* Reinitialize for the next row. */
+	px = dpos = 0;
+    }
+    esp = zimage_pop_estack(esp);
+    image_cleanup(op);
+    return (code < 0 ? code : o_pop_estack);
+}
+/* Process data from an image with string data sources. */
+/* This never requires callbacks, so it's simpler. */
+private int
+image_string_process(os_ptr op, gs_image_enum * penum, int num_sources)
+{
+    int px = 0;
+
+    for (;;) {
+	const ref *psrc = esp - 3 - px * 2;
+	uint size = r_size(psrc);
+	uint used;
+	int code;
+
+	if (size == 0)
+	    code = 1;
+	else
+	    code = gs_image_next(penum, psrc->value.bytes, size, &used);
+	if (code) {		/* Stop now. */
+	    esp -= NUM_PUSH(num_sources);
+	    image_cleanup(op);
+	    return (code < 0 ? code : o_pop_estack);
+	}
+	if (++px == num_sources)
+	    px = 0;
+    }
+}
+/* Clean up after enumerating an image */
+private int
+image_cleanup(os_ptr op)
+{
+    gs_image_enum *penum;
+    const ref *pb;
+
+    /* Free any row buffers, in LIFO order as usual. */
+    for (pb = esp + 2; !r_has_type(pb, t_integer); pb += 2)
+	if (r_has_type(pb, t_string))
+	    gs_free_string(imemory, pb->value.bytes, r_size(pb),
+			   "image_cleanup");
+    penum = r_ptr(pb + 2, gs_image_enum);
+    gs_image_cleanup(penum);
+    ifree_object(penum, "image_cleanup");
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zimage_op_defs[] =
+{
+    {"5image", zimage},
+    {"5imagemask", zimagemask},
+		/* Internal operators */
+    {"1%image_proc_continue", image_proc_continue},
+    {"0%image_file_continue", image_file_continue},
+    op_def_end(0)
+};
diff --git a/pstoraster/zimage2.c b/pstoraster/zimage2.c
new file mode 100644
index 000000000..ca30f01cf
--- /dev/null
+++ b/pstoraster/zimage2.c
@@ -0,0 +1,158 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* image operator extensions for Level 2 PostScript */
+#include "math_.h"
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gscolor.h"
+#include "gscspace.h"
+#include "gscolor2.h"
+#include "gsmatrix.h"
+#include "gsimage.h"
+#include "gxfixed.h"
+#include "idict.h"
+#include "idparam.h"
+#include "iimage.h"
+#include "iimage2.h"
+#include "ilevel.h"
+#include "igstate.h"		/* for igs */
+
+/* Extract and check the parameters for a gs_data_image_t. */
+int
+data_image_params(const ref * op, gs_data_image_t * pim, image_params * pip,
+    bool require_DataSource, int num_components, int max_bits_per_component)
+{
+    int code;
+    int decode_size;
+    ref *pds;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_int_param(op, "Width", 0, max_int_in_fixed / 2,
+			       -1, &pim->Width)) < 0 ||
+	(code = dict_int_param(op, "Height", 0, max_int_in_fixed / 2,
+			       -1, &pim->Height)) < 0 ||
+	(code = dict_matrix_param(op, "ImageMatrix",
+				  &pim->ImageMatrix)) < 0 ||
+	(code = dict_bool_param(op, "MultipleDataSources", false,
+				&pip->MultipleDataSources)) < 0 ||
+	(code = dict_int_param(op, "BitsPerComponent", 1,
+			       max_bits_per_component, -1,
+			       &pim->BitsPerComponent)) < 0 ||
+	(code = decode_size = dict_float_array_param(op, "Decode",
+						     num_components * 2,
+					      &pim->Decode[0], NULL)) < 0 ||
+	(code = dict_bool_param(op, "Interpolate", false,
+				&pim->Interpolate)) < 0
+	)
+	return code;
+    if (decode_size != num_components * 2)
+	return_error(e_rangecheck);
+    pip->pDecode = &pim->Decode[0];
+    /* Extract and check the data sources. */
+    if ((code = dict_find_string(op, "DataSource", &pds)) <= 0) {
+	if (require_DataSource)
+	    return (code < 0 ? code : gs_note_error(e_rangecheck));
+	return 1;		/* no data source */
+    }
+    if (pip->MultipleDataSources) {
+	check_type_only(*pds, t_array);
+	if (r_size(pds) != num_components)
+	    return_error(e_rangecheck);
+	memcpy(&pip->DataSource[0], pds->value.refs,
+	       sizeof(ref) * num_components);
+    } else
+	pip->DataSource[0] = *pds;
+    return 0;
+}
+
+/* Extract and check the parameters for a gs_pixel_image_t. */
+int
+pixel_image_params(const ref * op, gs_pixel_image_t * pim, image_params * pip,
+		   int max_bits_per_component)
+{
+    int num_components =
+	gs_color_space_num_components(gs_currentcolorspace(igs));
+    int code;
+
+    if (num_components < 1)
+	return_error(e_rangecheck);	/* Pattern space not allowed */
+    pim->ColorSpace = gs_currentcolorspace(igs);
+    code = data_image_params(op, (gs_data_image_t *) pim, pip, true,
+			     num_components, max_bits_per_component);
+    if (code < 0)
+	return code;
+    pim->format =
+	(pip->MultipleDataSources ? gs_image_format_component_planar :
+	 gs_image_format_chunky);
+    return dict_bool_param(op, "CombineWithColor", false,
+			   &pim->CombineWithColor);
+}
+
+/* <dict> .image1 - */
+private int
+zimage1(register os_ptr op)
+{
+    gs_image_t image;
+    image_params ip;
+    int code;
+
+    gs_image_t_init(&image, gs_currentcolorspace(igs));
+    code = pixel_image_params(op, (gs_pixel_image_t *) & image, &ip, 12);
+    if (code < 0)
+	return code;
+    return zimage_setup((gs_pixel_image_t *) & image, &ip.DataSource[0],
+			image.CombineWithColor, 1);
+}
+
+/* <dict> .imagemask1 - */
+private int
+zimagemask1(register os_ptr op)
+{
+    gs_image_t image;
+    image_params ip;
+    int code;
+
+    gs_image_t_init_mask(&image, false);
+    code = data_image_params(op, (gs_data_image_t *) & image, &ip, true, 1, 1);
+    if (code < 0)
+	return code;
+    if (ip.MultipleDataSources)
+	return_error(e_rangecheck);
+    return zimage_setup((gs_pixel_image_t *) & image, &ip.DataSource[0],
+			true, 1);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zimage2_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"1.image1", zimage1},
+    {"1.imagemask1", zimagemask1},
+    op_def_end(0)
+};
diff --git a/pstoraster/zimage3.c b/pstoraster/zimage3.c
new file mode 100644
index 000000000..41cb29170
--- /dev/null
+++ b/pstoraster/zimage3.c
@@ -0,0 +1,139 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* LanguageLevel 3 ImageTypes (3 & 4 - masked images) */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gscspace.h"		/* for gscolor2.h */
+#include "gscolor2.h"
+#include "gsiparm3.h"
+#include "gsiparm4.h"
+#include "gxiparam.h"		/* for image enumerator */
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "iimage.h"
+#include "iimage2.h"
+
+/* <dict> .image3 - */
+private int
+zimage3(register os_ptr op)
+{
+    gs_image3_t image;
+    int interleave_type;
+    ref *pDataDict;
+    ref *pMaskDict;
+    image_params ip_data, ip_mask;
+    int ignored;
+    int code, mcode;
+
+    check_type(*op, t_dictionary);
+    check_dict_read(*op);
+    if ((code = dict_int_param(op, "InterleaveType", 1, 3, -1,
+			       &interleave_type)) < 0
+	)
+	return code;
+    gs_image3_t_init(&image, NULL, interleave_type);
+    if (dict_find_string(op, "DataDict", &pDataDict) <= 0 ||
+	dict_find_string(op, "MaskDict", &pMaskDict) <= 0
+	)
+	return_error(e_rangecheck);
+    if ((code = pixel_image_params(pDataDict, (gs_pixel_image_t *)&image,
+				   &ip_data, 12)) < 0 ||
+	(mcode = code = data_image_params(pMaskDict, &image.MaskDict, &ip_mask, false, 1, 12)) < 0 ||
+	(code = dict_int_param(pDataDict, "ImageType", 1, 1, 0, &ignored)) < 0 ||
+	(code = dict_int_param(pMaskDict, "ImageType", 1, 1, 0, &ignored)) < 0
+	)
+	return code;
+    /*
+     * MaskDict must have a DataSource iff InterleaveType == 3.
+     */
+    if ((ip_data.MultipleDataSources && interleave_type != 3) ||
+	ip_mask.MultipleDataSources ||
+	mcode != (image.InterleaveType != 3)
+	)
+	return_error(e_rangecheck);
+    if (!mcode) {
+	/* Insert the mask DataSource before the data DataSources. */
+	memmove(&ip_data.DataSource[1], &ip_data.DataSource[0],
+		(countof(ip_data.DataSource) - 1) *
+		sizeof(ip_data.DataSource[0]));
+	ip_data.DataSource[0] = ip_mask.DataSource[0];
+    }
+    return zimage_setup((gs_pixel_image_t *)&image,
+			&ip_data.DataSource[0],
+			image.CombineWithColor, 1);
+}
+
+/* <dict> .image4 - */
+private int
+zimage4(register os_ptr op)
+{
+    gs_image4_t image;
+    image_params ip;
+    int num_components =
+	gs_color_space_num_components(gs_currentcolorspace(igs));
+    int colors[countof(image.MaskColor)];
+    int code;
+    int i;
+
+    gs_image4_t_init(&image, NULL);
+    code = pixel_image_params(op, (gs_pixel_image_t *)&image, &ip, 12);
+    if (code < 0)
+	return code;
+    code = dict_int_array_param(op, "MaskColor", num_components * 2,
+				colors);
+    /* Clamp the color values to the unsigned range. */
+    if (code == num_components) {
+	image.MaskColor_is_range = false;
+	for (i = 0; i < code; ++i)
+	    image.MaskColor[i] = (colors[i] < 0 ? ~(uint)0 : colors[i]);
+    }
+    else if (code == num_components * 2) {
+	image.MaskColor_is_range = true;
+	for (i = 0; i < code; i += 2) {
+	    if (colors[i+1] < 0) /* no match possible */
+		image.MaskColor[i] = 1, image.MaskColor[i+1] = 0;
+	    else {
+		image.MaskColor[i+1] = colors[i+1];
+		image.MaskColor[i] = max(colors[i], 0);
+	    }
+	}
+    } else
+	return_error(code < 0 ? code : gs_note_error(e_rangecheck));
+    return zimage_setup((gs_pixel_image_t *)&image, &ip.DataSource[0],
+			image.CombineWithColor, 1);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zimage3_op_defs[] =
+{
+    op_def_begin_ll3(),
+    {"1.image3", zimage3},
+    {"1.image4", zimage4},
+    op_def_end(0)
+};
diff --git a/pstoraster/ziodev.c b/pstoraster/ziodev.c
new file mode 100644
index 000000000..b506d44e1
--- /dev/null
+++ b/pstoraster/ziodev.c
@@ -0,0 +1,475 @@
+/* Copyright (C) 1993, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Standard IODevice implementation */
+#include "memory_.h"
+#include "stdio_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "gp.h"
+#include "gpcheck.h"
+#include "gsstruct.h"		/* for registering root */
+#include "oper.h"
+#include "stream.h"
+#include "ialloc.h"
+#include "iscan.h"
+#include "ivmspace.h"
+#include "gxiodev.h"		/* must come after stream.h */
+					/* and before files.h */
+#include "files.h"
+#include "scanchar.h"		/* for char_EOL */
+#include "store.h"
+
+/* Complete the definition of the %os% device. */
+/* The open_file routine is exported for pipes and for %null. */
+int
+iodev_os_open_file(gx_io_device * iodev, const char *fname, uint len,
+		   const char *file_access, stream ** ps, gs_memory_t * mem)
+{
+    return file_open_stream(fname, len, file_access,
+			    file_default_buffer_size, ps,
+			    iodev->procs.fopen);
+}
+
+/* Define the special devices. */
+#define iodev_special(dname, init, open) {\
+    dname, "Special",\
+	{ init, open, iodev_no_open_file, iodev_no_fopen, iodev_no_fclose,\
+	  iodev_no_delete_file, iodev_no_rename_file, iodev_no_file_status,\
+	  iodev_no_enumerate_files, NULL, NULL,\
+	  iodev_no_get_params, iodev_no_put_params\
+	}\
+}
+
+/* Export the stdio refs for switching contexts. */
+ref ref_stdio[3];
+
+#define STDIN_BUF_SIZE 128
+/*#define ref_stdin ref_stdio[0] *//* in files.h */
+bool gs_stdin_is_interactive;	/* exported for command line only */
+private iodev_proc_init(stdin_init);
+private iodev_proc_open_device(stdin_open);
+const gx_io_device gs_iodev_stdin =
+    iodev_special("%stdin%", stdin_init, stdin_open);
+
+#define STDOUT_BUF_SIZE 128
+/*#define ref_stdout ref_stdio[1] *//* in files.h */
+private iodev_proc_init(stdout_init);
+private iodev_proc_open_device(stdout_open);
+const gx_io_device gs_iodev_stdout =
+    iodev_special("%stdout%", stdout_init, stdout_open);
+
+#define STDERR_BUF_SIZE 128
+/*#define ref_stderr ref_stdio[2] *//* in files.h */
+private iodev_proc_init(stderr_init);
+private iodev_proc_open_device(stderr_open);
+const gx_io_device gs_iodev_stderr =
+    iodev_special("%stderr%", stderr_init, stderr_open);
+
+#define LINEEDIT_BUF_SIZE 20	/* initial size, not fixed size */
+private iodev_proc_open_device(lineedit_open);
+const gx_io_device gs_iodev_lineedit =
+    iodev_special("%lineedit%", iodev_no_init, lineedit_open);
+
+#define STATEMENTEDIT_BUF_SIZE 50	/* initial size, not fixed size */
+private iodev_proc_open_device(statementedit_open);
+const gx_io_device gs_iodev_statementedit =
+    iodev_special("%statementedit%", iodev_no_init, statementedit_open);
+
+/* ------ Operators ------ */
+
+/* <int> .getiodevice <string> */
+private int
+zgetiodevice(register os_ptr op)
+{
+    gx_io_device *iodev;
+    const byte *dname;
+
+    check_type(*op, t_integer);
+    if (op->value.intval != (int)op->value.intval)
+	return_error(e_rangecheck);
+    iodev = gs_getiodevice((int)(op->value.intval));
+    if (iodev == 0)		/* index out of range */
+	return_error(e_rangecheck);
+    dname = (const byte *)iodev->dname;
+    make_const_string(op, a_readonly | avm_foreign,
+		      strlen((const char *)dname), dname);
+    return 0;
+}
+
+/* ------- %stdin, %stdout, and %stderr ------ */
+
+/*
+ * According to Adobe, it is legal to close the %std... files and then
+ * re-open them later.  However, the re-opened file object is not 'eq' to
+ * the original file object (in our implementation, it has a different
+ * read_id or write_id).
+ */
+
+private int
+    s_stdin_read_process(P4(stream_state *, stream_cursor_read *,
+			    stream_cursor_write *, bool));
+
+private int
+stdin_init(gx_io_device * iodev, gs_memory_t * mem)
+{
+    static void *const pstdin = &ref_stdin;
+
+    make_file(&ref_stdin, a_readonly | avm_system, 1, invalid_file_entry);
+    gs_stdin_is_interactive = true;
+    gs_register_ref_root(mem, NULL, (void **)&pstdin, "ref_stdin");
+    return 0;
+}
+
+/* Read from stdin into the buffer. */
+/* If interactive, only read one character. */
+private int
+s_stdin_read_process(stream_state * st, stream_cursor_read * ignore_pr,
+		     stream_cursor_write * pw, bool last)
+{
+    FILE *file = ((stream *) st)->file;		/* hack for file streams */
+    int wcount = (int)(pw->limit - pw->ptr);
+    int count;
+
+    if (wcount > 0) {
+	if (gs_stdin_is_interactive)
+	    wcount = 1;
+	count = fread(pw->ptr + 1, 1, wcount, file);
+	if (count < 0)
+	    count = 0;
+	pw->ptr += count;
+    } else
+	count = 0;		/* return 1 if no error/EOF */
+    process_interrupts();
+    return (ferror(file) ? ERRC : feof(file) ? EOFC : count == wcount ? 1 : 0);
+}
+
+int
+iodev_stdin_open(gx_io_device * iodev, const char *access, stream ** ps,
+		 gs_memory_t * mem)
+{
+    stream *s;
+
+    if (!streq1(access, 'r'))
+	return_error(e_invalidfileaccess);
+    if (file_is_invalid(s, &ref_stdin)) {
+	/****** stdin SHOULD NOT LINE-BUFFER ******/
+	gs_memory_t *mem = imemory_system;
+	byte *buf;
+
+	s = file_alloc_stream(mem, "stdin_open(stream)");
+	/* We want stdin to read only one character at a time, */
+	/* but it must have a substantial buffer, in case it is used */
+	/* by a stream that requires more than one input byte */
+	/* to make progress. */
+	buf = gs_alloc_bytes(mem, STDIN_BUF_SIZE,
+			     "stdin_open(buffer)");
+	if (s == 0 || buf == 0)
+	    return_error(e_VMerror);
+	sread_file(s, gs_stdin, buf, STDIN_BUF_SIZE);
+	s->procs.process = s_stdin_read_process;
+	s->save_close = s_std_null;
+	s->procs.close = file_close_file;
+	make_file(&ref_stdin, a_readonly | avm_system,
+		  s->read_id, s);
+	*ps = s;
+	return 1;
+    }
+    *ps = s;
+    return 0;
+}
+private int
+stdin_open(gx_io_device * iodev, const char *access, stream ** ps,
+	   gs_memory_t * mem)
+{
+    int code = iodev_stdin_open(iodev, access, ps, mem);
+
+    return min(code, 0);
+}
+/* This is the public routine for getting the stdin stream. */
+int
+zget_stdin(stream ** ps)
+{
+    stream *s;
+    gx_io_device *iodev;
+
+    if (file_is_valid(s, &ref_stdin)) {
+	*ps = s;
+	return 0;
+    }
+    iodev = gs_findiodevice((const byte *)"%stdin", 6);
+    return (*iodev->procs.open_device)(iodev, "r", ps, imemory_system);
+}
+
+private int
+stdout_init(gx_io_device * iodev, gs_memory_t * mem)
+{
+    static void *const pstdout = &ref_stdout;
+
+    make_file(&ref_stdout, a_all | avm_system, 1, invalid_file_entry);
+    gs_register_ref_root(mem, NULL, (void **)&pstdout, "ref_stdout");
+    return 0;
+}
+
+int
+iodev_stdout_open(gx_io_device * iodev, const char *access, stream ** ps,
+		  gs_memory_t * mem)
+{
+    stream *s;
+
+    if (!streq1(access, 'w'))
+	return_error(e_invalidfileaccess);
+    if (file_is_invalid(s, &ref_stdout)) {
+	gs_memory_t *mem = imemory_system;
+	byte *buf;
+
+	s = file_alloc_stream(mem, "stdout_open(stream)");
+	buf = gs_alloc_bytes(mem, STDOUT_BUF_SIZE,
+			     "stdout_open(buffer)");
+	if (s == 0 || buf == 0)
+	    return_error(e_VMerror);
+	swrite_file(s, gs_stdout, buf, STDOUT_BUF_SIZE);
+	s->save_close = s->procs.flush;
+	s->procs.close = file_close_file;
+	make_file(&ref_stdout, a_write | avm_system, s->write_id, s);
+	*ps = s;
+	return 1;
+    }
+    *ps = s;
+    return 0;
+}
+private int
+stdout_open(gx_io_device * iodev, const char *access, stream ** ps,
+	    gs_memory_t * mem)
+{
+    int code = iodev_stdout_open(iodev, access, ps, mem);
+
+    return min(code, 0);
+}
+/* This is the public routine for getting the stdout stream. */
+int
+zget_stdout(stream ** ps)
+{
+    stream *s;
+    gx_io_device *iodev;
+
+    if (file_is_valid(s, &ref_stdout)) {
+	*ps = s;
+	return 0;
+    }
+    iodev = gs_findiodevice((const byte *)"%stdout", 7);
+    return (*iodev->procs.open_device)(iodev, "w", ps, imemory_system);
+}
+
+private int
+stderr_init(gx_io_device * iodev, gs_memory_t * mem)
+{
+    static void *const pstderr = &ref_stderr;
+
+    make_file(&ref_stderr, a_all | avm_system, 1, invalid_file_entry);
+    gs_register_ref_root(mem, NULL, (void **)&pstderr, "ref_stderr");
+    return 0;
+}
+
+int
+iodev_stderr_open(gx_io_device * iodev, const char *access, stream ** ps,
+		  gs_memory_t * mem)
+{
+    stream *s;
+
+    if (!streq1(access, 'w'))
+	return_error(e_invalidfileaccess);
+    if (file_is_invalid(s, &ref_stderr)) {
+	gs_memory_t *mem = imemory_system;
+	byte *buf;
+
+	s = file_alloc_stream(mem, "stderr_open(stream)");
+	buf = gs_alloc_bytes(mem, STDERR_BUF_SIZE,
+			     "stderr_open(buffer)");
+	if (s == 0 || buf == 0)
+	    return_error(e_VMerror);
+	swrite_file(s, gs_stderr, buf, STDERR_BUF_SIZE);
+	s->save_close = s->procs.flush;
+	s->procs.close = file_close_file;
+	make_file(&ref_stderr, a_write | avm_system, s->write_id, s);
+	*ps = s;
+	return 1;
+    }
+    *ps = s;
+    return 0;
+}
+private int
+stderr_open(gx_io_device * iodev, const char *access, stream ** ps,
+	    gs_memory_t * mem)
+{
+    int code = iodev_stderr_open(iodev, access, ps, mem);
+
+    return min(code, 0);
+}
+/* This is the public routine for getting the stderr stream. */
+int
+zget_stderr(stream ** ps)
+{
+    stream *s;
+    gx_io_device *iodev;
+
+    if (file_is_valid(s, &ref_stderr)) {
+	*ps = s;
+	return 0;
+    }
+    iodev = gs_findiodevice((const byte *)"%stderr", 7);
+    return (*iodev->procs.open_device)(iodev, "w", ps, imemory_system);
+}
+
+/* ------ %lineedit and %statementedit ------ */
+
+private int
+line_collect(gx_io_device * iodev, const char *access, stream ** ps,
+	     gs_memory_t * mem, uint initial_buf_size, bool statement)
+{
+    uint count = 0;
+    bool in_eol = false;
+    int code;
+    gx_io_device *indev = gs_findiodevice((const byte *)"%stdin", 6);
+    stream *s;
+    stream *ins;
+    byte *buf;
+    uint buf_size = initial_buf_size;
+
+    if (strcmp(access, "r"))
+	return_error(e_invalidfileaccess);
+    s = file_alloc_stream(mem, "line_collect(stream)");
+    if (s == 0)
+	return_error(e_VMerror);
+    code = (indev->procs.open_device)(indev, access, &ins, mem);
+    if (code < 0)
+	return code;
+    buf = gs_alloc_string(mem, buf_size, "line_collect(buffer)");
+    if (buf == 0)
+	return_error(e_VMerror);
+  rd:				/* We have to stop 1 character short of the buffer size, */
+    /* because %statementedit must append an EOL. */
+    code = zreadline_from(ins, buf, buf_size - 1, &count, &in_eol);
+    switch (code) {
+	case EOFC:
+	    code = gs_note_error(e_undefinedfilename);
+	    /* falls through */
+	case 0:
+	    break;
+	default:
+	    code = gs_note_error(e_ioerror);
+	    break;
+	case 1:		/* filled buffer */
+	    {
+		uint nsize;
+		byte *nbuf;
+
+#if arch_ints_are_short
+		if (nsize == max_uint) {
+		    code = gs_note_error(e_limitcheck);
+		    break;
+		} else if (nsize >= max_uint / 2)
+		    nsize = max_uint;
+		else
+#endif
+		    nsize = buf_size * 2;
+		nbuf = gs_resize_string(mem, buf, buf_size, nsize,
+					"line_collect(grow buffer)");
+		if (nbuf == 0) {
+		    code = gs_note_error(e_VMerror);
+		    break;
+		}
+		buf = nbuf;
+		buf_size = nsize;
+		goto rd;
+	    }
+    }
+    if (code != 0) {
+	gs_free_string(mem, buf, buf_size, "line_collect(buffer)");
+	return code;
+    }
+    if (statement) {
+	/* If we don't have a complete token, keep going. */
+	stream st;
+	stream *ts = &st;
+	scanner_state state;
+	ref ignore_value;
+	uint depth = ref_stack_count(&o_stack);
+	int code;
+
+	/* Add a terminating EOL. */
+	buf[count++] = char_EOL;
+	sread_string(ts, buf, count);
+sc:
+	scanner_state_init_check(&state, false, true);
+	code = scan_token(ts, &ignore_value, &state);
+	ref_stack_pop_to(&o_stack, depth);
+	switch (code) {
+	    case 0:		/* read a token */
+	    case scan_BOS:
+		goto sc;	/* keep going until we run out of data */
+	    case scan_Refill:
+		goto rd;
+	    case scan_EOF:
+		break;
+	    default:		/* error */
+		gs_free_string(mem, buf, buf_size, "line_collect(buffer)");
+		return code;
+	}
+    }
+    buf = gs_resize_string(mem, buf, buf_size, count,
+			   "line_collect(resize buffer)");
+    if (buf == 0)
+	return_error(e_VMerror);
+    sread_string(s, buf, count);
+    s->save_close = s->procs.close;
+    s->procs.close = file_close_disable;
+    *ps = s;
+    return 0;
+}
+
+private int
+lineedit_open(gx_io_device * iodev, const char *access, stream ** ps,
+	      gs_memory_t * mem)
+{
+    return line_collect(iodev, access, ps, mem,
+			LINEEDIT_BUF_SIZE, false);
+}
+
+private int
+statementedit_open(gx_io_device * iodev, const char *access, stream ** ps,
+		   gs_memory_t * mem)
+{
+    return line_collect(iodev, access, ps, mem,
+			STATEMENTEDIT_BUF_SIZE, true);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def ziodev_op_defs[] =
+{
+    {"1.getiodevice", zgetiodevice},
+    op_def_end(0)
+};
diff --git a/pstoraster/ziodev2.c b/pstoraster/ziodev2.c
new file mode 100644
index 000000000..d7fb6fe7e
--- /dev/null
+++ b/pstoraster/ziodev2.c
@@ -0,0 +1,148 @@
+/* Copyright (C) 1993, 1994, 1996, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* (Level 2) IODevice operators */
+#include "string_.h"
+#include "ghost.h"
+#include "gp.h"
+#include "oper.h"
+#include "stream.h"
+#include "gxiodev.h"
+#include "dstack.h"		/* for systemdict */
+#include "files.h"		/* for file_open_stream */
+#include "iparam.h"
+#include "iutil2.h"
+#include "store.h"
+
+/* ------ %null% ------ */
+
+/* This represents the null output file. */
+private iodev_proc_open_device(null_open);
+const gx_io_device gs_iodev_null = {
+    "%null%", "FileSystem",
+    {
+	iodev_no_init, null_open, iodev_no_open_file,
+	iodev_os_fopen, iodev_os_fclose,
+	iodev_no_delete_file, iodev_no_rename_file, iodev_no_file_status,
+	iodev_no_enumerate_files, NULL, NULL,
+	iodev_no_get_params, iodev_no_put_params
+    }
+};
+
+private int
+null_open(gx_io_device * iodev, const char *access, stream ** ps,
+	  gs_memory_t * mem)
+{
+    if (!streq1(access, 'w'))
+	return_error(e_invalidfileaccess);
+    return file_open_stream(gp_null_file_name,
+			    strlen(gp_null_file_name),
+			    access, 256 /* arbitrary */ , ps,
+			    iodev->procs.fopen);
+}
+
+/* ------ %ram% ------ */
+
+/* This is an IODevice with no interesting parameters for the moment. */
+const gx_io_device gs_iodev_ram = {
+    "%ram%", "Special",
+    {
+	iodev_no_init, iodev_no_open_device, iodev_no_open_file,
+	iodev_no_fopen, iodev_no_fclose,
+	iodev_no_delete_file, iodev_no_rename_file, iodev_no_file_status,
+	iodev_no_enumerate_files, NULL, NULL,
+	iodev_no_get_params, iodev_no_put_params
+    }
+};
+
+/* ------ Operators ------ */
+
+/* <iodevice> .getdevparams <mark> <name> <value> ... */
+private int
+zgetdevparams(os_ptr op)
+{
+    gx_io_device *iodev;
+    stack_param_list list;
+    gs_param_list *const plist = (gs_param_list *) & list;
+    int code;
+    ref *pmark;
+
+    check_read_type(*op, t_string);
+    iodev = gs_findiodevice(op->value.bytes, r_size(op));
+    if (iodev == 0)
+	return_error(e_undefinedfilename);
+    stack_param_list_write(&list, &o_stack, NULL);
+    if ((code = gs_getdevparams(iodev, plist)) < 0) {
+	ref_stack_pop(&o_stack, list.count * 2);
+	return code;
+    }
+    pmark = ref_stack_index(&o_stack, list.count * 2);
+    make_mark(pmark);
+    return 0;
+}
+
+/* <mark> <name> <value> ... <iodevice> .putdevparams */
+private int
+zputdevparams(os_ptr op)
+{
+    gx_io_device *iodev;
+    stack_param_list list;
+    gs_param_list *const plist = (gs_param_list *) & list;
+    int code;
+    password system_params_password;
+
+    check_read_type(*op, t_string);
+    iodev = gs_findiodevice(op->value.bytes, r_size(op));
+    if (iodev == 0)
+	return_error(e_undefinedfilename);
+    code = stack_param_list_read(&list, &o_stack, 1, NULL, false);
+    if (code < 0)
+	return code;
+    code = dict_read_password(&system_params_password, systemdict,
+			      "SystemParamsPassword");
+    if (code < 0)
+	return code;
+    code = param_check_password(plist, &system_params_password);
+    if (code != 0) {
+	iparam_list_release(&list);
+	return_error(code < 0 ? code : e_invalidaccess);
+    }
+    code = gs_putdevparams(iodev, plist);
+    iparam_list_release(&list);
+    if (code < 0)
+	return code;
+    ref_stack_pop(&o_stack, list.count * 2 + 2);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def ziodev2_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"1.getdevparams", zgetdevparams},
+    {"2.putdevparams", zputdevparams},
+    op_def_end(0)
+};
diff --git a/pstoraster/zmath.c b/pstoraster/zmath.c
new file mode 100644
index 000000000..56165e051
--- /dev/null
+++ b/pstoraster/zmath.c
@@ -0,0 +1,277 @@
+/* Copyright (C) 1989, 1992, 1993, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Mathematical operators */
+#include "math_.h"
+#include "ghost.h"
+#include "gxfarith.h"
+#include "oper.h"
+#include "store.h"
+
+/*
+ * Define the current state of random number generator.  We have to
+ * implement this ourselves because the Unix rand doesn't provide anything
+ * equivalent to rrand.  Note that the value always lies in the range
+ * [0..0x7ffffffe], even if longs are longer than 32 bits.
+ *
+ * The state must be public so that context switching can save and
+ * restore it.  (Even though the Red Book doesn't mention this,
+ * we verified with Adobe that this is the case.)
+ */
+long zrand_state;
+
+/* Initialize the random number generator. */
+void
+zrand_state_init(long *pstate)
+{
+    *pstate = 1;
+}
+
+/****** NOTE: none of these operators currently ******/
+/****** check for floating over- or underflow.	******/
+
+/* <num> sqrt <real> */
+private int
+zsqrt(register os_ptr op)
+{
+    double num;
+    int code = real_param(op, &num);
+
+    if (code < 0)
+	return code;
+    if (num < 0.0)
+	return_error(e_rangecheck);
+    make_real(op, sqrt(num));
+    return 0;
+}
+
+/* <num> arccos <real> */
+private int
+zarccos(register os_ptr op)
+{
+    double num, result;
+    int code = real_param(op, &num);
+
+    if (code < 0)
+	return code;
+    result = acos(num) * radians_to_degrees;
+    make_real(op, result);
+    return 0;
+}
+
+/* <num> arcsin <real> */
+private int
+zarcsin(register os_ptr op)
+{
+    double num, result;
+    int code = real_param(op, &num);
+
+    if (code < 0)
+	return code;
+    result = asin(num) * radians_to_degrees;
+    make_real(op, result);
+    return 0;
+}
+
+/* <num> <denom> atan <real> */
+private int
+zatan(register os_ptr op)
+{
+    double args[2];
+    double result;
+    int code = num_params(op, 2, args);
+
+    if (code < 0)
+	return code;
+    if (args[0] == 0) {		/* on X-axis, special case */
+	if (args[1] == 0)
+	    return_error(e_undefinedresult);
+	result = (args[1] < 0 ? 180 : 0);
+    } else {
+	result = atan2(args[0], args[1]) * radians_to_degrees;
+	if (result < 0)
+	    result += 360;
+    }
+    make_real(op - 1, result);
+    pop(1);
+    return 0;
+}
+
+/* <num> cos <real> */
+private int
+zcos(register os_ptr op)
+{
+    double angle;
+    int code = real_param(op, &angle);
+
+    if (code < 0)
+	return code;
+    make_real(op, gs_cos_degrees(angle));
+    return 0;
+}
+
+/* <num> sin <real> */
+private int
+zsin(register os_ptr op)
+{
+    double angle;
+    int code = real_param(op, &angle);
+
+    if (code < 0)
+	return code;
+    make_real(op, gs_sin_degrees(angle));
+    return 0;
+}
+
+/* <base> <exponent> exp <real> */
+private int
+zexp(register os_ptr op)
+{
+    double args[2];
+    double result;
+    double ipart;
+    int code = num_params(op, 2, args);
+
+    if (code < 0)
+	return code;
+    if (args[0] == 0.0 && args[1] == 0.0)
+	return_error(e_undefinedresult);
+    if (args[0] < 0.0 && modf(args[1], &ipart) != 0.0)
+	return_error(e_undefinedresult);
+    result = pow(args[0], args[1]);
+    make_real(op - 1, result);
+    pop(1);
+    return 0;
+}
+
+/* <posnum> ln <real> */
+private int
+zln(register os_ptr op)
+{
+    double num;
+    int code = real_param(op, &num);
+
+    if (code < 0)
+	return code;
+    if (num <= 0.0)
+	return_error(e_rangecheck);
+    make_real(op, log(num));
+    return 0;
+}
+
+/* <posnum> log <real> */
+private int
+zlog(register os_ptr op)
+{
+    double num;
+    int code = real_param(op, &num);
+
+    if (code < 0)
+	return code;
+    if (num <= 0.0)
+	return_error(e_rangecheck);
+    make_real(op, log10(num));
+    return 0;
+}
+
+/* - rand <int> */
+private int
+zrand(register os_ptr op)
+{	/*
+	 * We use an algorithm from CACM 31 no. 10, pp. 1192-1201,
+	 * October 1988.  According to a posting by Ed Taft on
+	 * comp.lang.postscript, Level 2 (Adobe) PostScript interpreters
+	 * use this algorithm too:
+	 *      x[n+1] = (16807 * x[n]) mod (2^31 - 1)
+	 */
+#define A 16807
+#define M 0x7fffffff
+#define Q 127773		/* M / A */
+#define R 2836			/* M % A */
+    zrand_state = A * (zrand_state % Q) - R * (zrand_state / Q);
+    /* Note that zrand_state cannot be 0 here. */
+    if (zrand_state <= 0)
+	zrand_state += M;
+#undef A
+#undef M
+#undef Q
+#undef R
+    push(1);
+    make_int(op, zrand_state);
+    return 0;
+}
+
+/* <int> srand - */
+private int
+zsrand(register os_ptr op)
+{
+    long state;
+
+    check_type(*op, t_integer);
+    state = op->value.intval;
+#if arch_sizeof_long > 4
+    /* Trim the state back to 32 bits. */
+    state = (int)state;
+#endif
+    /*
+     * The following somewhat bizarre adjustments are according to
+     * public information from Adobe describing their implementation.
+     */
+    if (state < 1)
+	state = -(state % 0x7ffffffe) + 1;
+    else if (state > 0x7ffffffe)
+	state = 0x7ffffffe;
+    zrand_state = state;
+    pop(1);
+    return 0;
+}
+
+/* - rrand <int> */
+private int
+zrrand(register os_ptr op)
+{
+    push(1);
+    make_int(op, zrand_state);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zmath_op_defs[] =
+{
+    {"1arccos", zarccos},	/* extension */
+    {"1arcsin", zarcsin},	/* extension */
+    {"2atan", zatan},
+    {"1cos", zcos},
+    {"2exp", zexp},
+    {"1ln", zln},
+    {"1log", zlog},
+    {"0rand", zrand},
+    {"0rrand", zrrand},
+    {"1sin", zsin},
+    {"1sqrt", zsqrt},
+    {"1srand", zsrand},
+    op_def_end(0)
+};
diff --git a/pstoraster/zmatrix.c b/pstoraster/zmatrix.c
new file mode 100644
index 000000000..abf6e6515
--- /dev/null
+++ b/pstoraster/zmatrix.c
@@ -0,0 +1,358 @@
+/* Copyright (C) 1989, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Matrix operators */
+#include "ghost.h"
+#include "oper.h"
+#include "igstate.h"
+#include "gsmatrix.h"
+#include "gscoord.h"
+#include "store.h"
+
+/* Forward references */
+private int common_transform(P3(os_ptr,
+		int (*)(P4(gs_state *, floatp, floatp, gs_point *)),
+		int (*)(P4(floatp, floatp, const gs_matrix *, gs_point *))));
+
+/* - initmatrix - */
+private int
+zinitmatrix(os_ptr op)
+{
+    return gs_initmatrix(igs);
+}
+
+/* <matrix> defaultmatrix <matrix> */
+private int
+zdefaultmatrix(register os_ptr op)
+{
+    gs_matrix mat;
+
+    gs_defaultmatrix(igs, &mat);
+    return write_matrix(op, &mat);
+}
+
+/* - .currentmatrix <xx> <xy> <yx> <yy> <tx> <ty> */
+private int
+zcurrentmatrix(register os_ptr op)
+{
+    gs_matrix mat;
+    int code = gs_currentmatrix(igs, &mat);
+
+    if (code < 0)
+	return code;
+    push(6);
+    code = make_floats(op - 5, &mat.xx, 6);
+    if (code < 0)
+	pop(6);
+    return code;
+}
+
+/* <xx> <xy> <yx> <yy> <tx> <ty> .setmatrix - */
+private int
+zsetmatrix(register os_ptr op)
+{
+    gs_matrix mat;
+    int code = float_params(op, 6, &mat.xx);
+
+    if (code < 0)
+	return code;
+    if ((code = gs_setmatrix(igs, &mat)) < 0)
+	return code;
+    pop(6);
+    return 0;
+}
+
+/* <matrix|null> .setdefaultmatrix - */
+private int
+zsetdefaultmatrix(register os_ptr op)
+{
+    int code;
+
+    if (r_has_type(op, t_null))
+	code = gs_setdefaultmatrix(igs, NULL);
+    else {
+	gs_matrix mat;
+
+	code = read_matrix(op, &mat);
+	if (code < 0)
+	    return code;
+	code = gs_setdefaultmatrix(igs, &mat);
+    }
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <tx> <ty> translate - */
+/* <tx> <ty> <matrix> translate <matrix> */
+private int
+ztranslate(register os_ptr op)
+{
+    int code;
+    double trans[2];
+
+    if ((code = num_params(op, 2, trans)) >= 0) {
+	code = gs_translate(igs, trans[0], trans[1]);
+	if (code < 0)
+	    return code;
+    } else {			/* matrix operand */
+	gs_matrix mat;
+
+	/* The num_params failure might be a stack underflow. */
+	check_op(2);
+	if ((code = num_params(op - 1, 2, trans)) < 0 ||
+	    (code = gs_make_translation(trans[0], trans[1], &mat)) < 0 ||
+	    (code = write_matrix(op, &mat)) < 0
+	    ) {			/* Might be a stack underflow. */
+	    check_op(3);
+	    return code;
+	}
+	op[-2] = *op;
+    }
+    pop(2);
+    return code;
+}
+
+/* <sx> <sy> scale - */
+/* <sx> <sy> <matrix> scale <matrix> */
+private int
+zscale(register os_ptr op)
+{
+    int code;
+    double scale[2];
+
+    if ((code = num_params(op, 2, scale)) >= 0) {
+	code = gs_scale(igs, scale[0], scale[1]);
+	if (code < 0)
+	    return code;
+    } else {			/* matrix operand */
+	gs_matrix mat;
+
+	/* The num_params failure might be a stack underflow. */
+	check_op(2);
+	if ((code = num_params(op - 1, 2, scale)) < 0 ||
+	    (code = gs_make_scaling(scale[0], scale[1], &mat)) < 0 ||
+	    (code = write_matrix(op, &mat)) < 0
+	    ) {			/* Might be a stack underflow. */
+	    check_op(3);
+	    return code;
+	}
+	op[-2] = *op;
+    }
+    pop(2);
+    return code;
+}
+
+/* <angle> rotate - */
+/* <angle> <matrix> rotate <matrix> */
+private int
+zrotate(register os_ptr op)
+{
+    int code;
+    double ang;
+
+    if ((code = real_param(op, &ang)) >= 0) {
+	code = gs_rotate(igs, ang);
+	if (code < 0)
+	    return code;
+    } else {			/* matrix operand */
+	gs_matrix mat;
+
+	/* The num_params failure might be a stack underflow. */
+	check_op(1);
+	if ((code = num_params(op - 1, 1, &ang)) < 0 ||
+	    (code = gs_make_rotation(ang, &mat)) < 0 ||
+	    (code = write_matrix(op, &mat)) < 0
+	    ) {			/* Might be a stack underflow. */
+	    check_op(2);
+	    return code;
+	}
+	op[-1] = *op;
+    }
+    pop(1);
+    return code;
+}
+
+/* <matrix> concat - */
+private int
+zconcat(register os_ptr op)
+{
+    gs_matrix mat;
+    int code = read_matrix(op, &mat);
+
+    if (code < 0)
+	return code;
+    code = gs_concat(igs, &mat);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <matrix1> <matrix2> <matrix> concatmatrix <matrix> */
+private int
+zconcatmatrix(register os_ptr op)
+{
+    gs_matrix m1, m2, mp;
+    int code;
+
+    if ((code = read_matrix(op - 2, &m1)) < 0 ||
+	(code = read_matrix(op - 1, &m2)) < 0 ||
+	(code = gs_matrix_multiply(&m1, &m2, &mp)) < 0 ||
+	(code = write_matrix(op, &mp)) < 0
+	)
+	return code;
+    op[-2] = *op;
+    pop(2);
+    return code;
+}
+
+/* <x> <y> transform <xt> <yt> */
+/* <x> <y> <matrix> transform <xt> <yt> */
+private int
+ztransform(register os_ptr op)
+{
+    return common_transform(op, gs_transform, gs_point_transform);
+}
+
+/* <dx> <dy> dtransform <dxt> <dyt> */
+/* <dx> <dy> <matrix> dtransform <dxt> <dyt> */
+private int
+zdtransform(register os_ptr op)
+{
+    return common_transform(op, gs_dtransform, gs_distance_transform);
+}
+
+/* <xt> <yt> itransform <x> <y> */
+/* <xt> <yt> <matrix> itransform <x> <y> */
+private int
+zitransform(register os_ptr op)
+{
+    return common_transform(op, gs_itransform, gs_point_transform_inverse);
+}
+
+/* <dxt> <dyt> idtransform <dx> <dy> */
+/* <dxt> <dyt> <matrix> idtransform <dx> <dy> */
+private int
+zidtransform(register os_ptr op)
+{
+    return common_transform(op, gs_idtransform, gs_distance_transform_inverse);
+}
+
+/* Common logic for [i][d]transform */
+private int
+common_transform(register os_ptr op,
+	int (*ptproc)(P4(gs_state *, floatp, floatp, gs_point *)),
+	int (*matproc)(P4(floatp, floatp, const gs_matrix *, gs_point *)))
+{
+    double opxy[2];
+    gs_point pt;
+    int code;
+
+    /* Optimize for the non-matrix case */
+    switch (r_type(op)) {
+	case t_real:
+	    opxy[1] = op->value.realval;
+	    break;
+	case t_integer:
+	    opxy[1] = op->value.intval;
+	    break;
+	case t_array:		/* might be a matrix */
+	case t_shortarray:
+	case t_mixedarray: {
+	    gs_matrix mat;
+	    gs_matrix *pmat = &mat;
+
+	    if ((code = read_matrix(op, pmat)) < 0 ||
+		(code = num_params(op - 1, 2, opxy)) < 0 ||
+		(code = (*matproc) (opxy[0], opxy[1], pmat, &pt)) < 0
+		) {		/* Might be a stack underflow. */
+		check_op(3);
+		return code;
+	    }
+	    op--;
+	    pop(1);
+	    goto out;
+	}
+	default:
+	    return_op_typecheck(op);
+    }
+    switch (r_type(op - 1)) {
+	case t_real:
+	    opxy[0] = (op - 1)->value.realval;
+	    break;
+	case t_integer:
+	    opxy[0] = (op - 1)->value.intval;
+	    break;
+	default:
+	    return_op_typecheck(op - 1);
+    }
+    if ((code = (*ptproc) (igs, opxy[0], opxy[1], &pt)) < 0)
+	return code;
+out:
+    make_real(op - 1, pt.x);
+    make_real(op, pt.y);
+    return 0;
+}
+
+/* <matrix> <inv_matrix> invertmatrix <inv_matrix> */
+private int
+zinvertmatrix(register os_ptr op)
+{
+    gs_matrix m;
+    int code;
+
+    if ((code = read_matrix(op - 1, &m)) < 0 ||
+	(code = gs_matrix_invert(&m, &m)) < 0 ||
+	(code = write_matrix(op, &m)) < 0
+	)
+	return code;
+    op[-1] = *op;
+    pop(1);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zmatrix_op_defs[] =
+{
+    {"1concat", zconcat},
+    {"2dtransform", zdtransform},
+    {"3concatmatrix", zconcatmatrix},
+    {"0.currentmatrix", zcurrentmatrix},
+    {"1defaultmatrix", zdefaultmatrix},
+    {"2idtransform", zidtransform},
+    {"0initmatrix", zinitmatrix},
+    {"2invertmatrix", zinvertmatrix},
+    {"2itransform", zitransform},
+    {"1rotate", zrotate},
+    {"2scale", zscale},
+    {"6.setmatrix", zsetmatrix},
+    {"1.setdefaultmatrix", zsetdefaultmatrix},
+    {"2transform", ztransform},
+    {"2translate", ztranslate},
+    op_def_end(0)
+};
diff --git a/pstoraster/zmedia2.c b/pstoraster/zmedia2.c
new file mode 100644
index 000000000..12a36c4e9
--- /dev/null
+++ b/pstoraster/zmedia2.c
@@ -0,0 +1,472 @@
+/*
+  Copyright 2000 by Easy Software Products.
+  Copyright 1993, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Media matching for setpagedevice */
+#include "math_.h"
+#include "memory_.h"
+#include "ghost.h"
+#include "gsmatrix.h"
+#include "oper.h"
+#include "idict.h"
+#include "idparam.h"
+#include "iname.h"
+#include "store.h"
+
+/* <pagedict> <attrdict> <policydict> <keys> .matchmedia <key> true */
+/* <pagedict> <attrdict> <policydict> <keys> .matchmedia false */
+/* <pagedict> null <policydict> <keys> .matchmedia null true */
+private int zmatch_page_size(P8(const ref * pvreq, const ref * pvmed,
+				int policy, int orient, bool roll,
+				float *best_mismatch, gs_matrix * pmat,
+				gs_point * pmsize));
+typedef struct match_record_s {
+    ref best_key, match_key;
+    uint priority, no_match_priority;
+} match_record_t;
+private void
+reset_match(match_record_t *match)
+{
+    make_null(&match->best_key);
+    make_null(&match->match_key);
+    match->priority = match->no_match_priority;
+}
+private int
+zmatchmedia(register os_ptr op)
+{
+    os_ptr preq = op - 3;
+    os_ptr pattr = op - 2;
+    os_ptr ppol = op - 1;
+    os_ptr pkeys = op;		/* *const */
+    int policy_default;
+    float best_mismatch = (float)max_long;	/* adhoc */
+    float mbest = best_mismatch;
+    match_record_t match;
+    ref no_priority;
+    ref *ppriority;
+    int mepos, orient;
+    bool roll;
+    int code;
+    int ai;
+    struct mkd_ {
+	ref key, dict;
+    } aelt;
+    if (r_has_type(pattr, t_null)) {
+	check_op(4);
+	make_null(op - 3);
+	make_true(op - 2);
+	pop(2);
+	return 0;
+    }
+    check_type(*preq, t_dictionary);
+    check_dict_read(*preq);
+    check_type(*pattr, t_dictionary);
+    check_dict_read(*pattr);
+    check_type(*ppol, t_dictionary);
+    check_dict_read(*ppol);
+    check_array(*pkeys);
+    check_read(*pkeys);
+#if 0 /* MRS - this code breaks the MediaPosition option */
+    switch (code = dict_int_null_param(preq, "MediaPosition", 0, 0x7fff,
+				       0, &mepos)) {
+	default:
+	    return code;
+	case 2:
+	case 1:
+	    mepos = -1;
+	case 0:;
+    }
+    switch (code = dict_int_null_param(preq, "Orientation", 0, 3,
+				       0, &orient)) {
+	default:
+	    return code;
+	case 2:
+	case 1:
+	    orient = -1;
+	case 0:;
+    }
+    code = dict_bool_param(preq, "RollFedMedia", false, &roll);
+    if (code < 0)
+	return code;
+#endif /* 0 */
+    code = dict_int_param(ppol, "PolicyNotFound", 0, 7, 0,
+			  &policy_default);
+    if (code < 0)
+	return code;
+    if (dict_find_string(pattr, "Priority", &ppriority) > 0) {
+	check_array_only(*ppriority);
+	check_read(*ppriority);
+    } else {
+	make_empty_array(&no_priority, a_readonly);
+	ppriority = &no_priority;
+    }
+    match.no_match_priority = r_size(ppriority);
+    reset_match(&match);
+    for (ai = dict_first(pattr);
+	 (ai = dict_next(pattr, ai, (ref * /*[2]*/)&aelt)) >= 0;
+	 ) {
+	if (r_has_type(&aelt.dict, t_dictionary) &&
+	    r_has_attr(dict_access_ref(&aelt.dict), a_read) &&
+	    r_has_type(&aelt.key, t_integer) &&
+	    (mepos < 0 || aelt.key.value.intval == mepos)
+	    ) {
+	    bool match_all;
+	    uint ki, pi;
+
+	    code = dict_bool_param(&aelt.dict, "MatchAll", false,
+				   &match_all);
+	    if (code < 0)
+		return code;
+	    for (ki = 0; ki < r_size(pkeys); ki++) {
+		ref key;
+		ref kstr;
+		ref *prvalue;
+		ref *pmvalue;
+		ref *ppvalue;
+		int policy;
+
+		array_get(pkeys, ki, &key);
+		if (dict_find(&aelt.dict, &key, &pmvalue) <= 0)
+		    continue;
+		if (dict_find(preq, &key, &prvalue) <= 0 ||
+		    r_has_type(prvalue, t_null)
+		    ) {
+		    if (match_all)
+			goto no;
+		    else
+			continue;
+		}
+		/* Look for the Policies entry for this key. */
+		if (dict_find(ppol, &key, &ppvalue) > 0) {
+		    check_type_only(*ppvalue, t_integer);
+		    policy = ppvalue->value.intval;
+		} else
+		    policy = policy_default;
+	/*
+	 * Match a requested attribute value with the attribute value in the
+	 * description of a medium.  For all attributes except PageSize,
+	 * matching means equality.  PageSize is special; see match_page_size
+	 * below.
+	 */
+		if (r_has_type(&key, t_name) &&
+		    (name_string_ref(&key, &kstr),
+		     r_size(&kstr) == 8 &&
+		     !memcmp(kstr.value.bytes, "PageSize", 8))
+		    ) {
+		    gs_matrix ignore_mat;
+		    gs_point ignore_msize;
+
+		    if (zmatch_page_size(prvalue, pmvalue,
+					 policy, orient, roll,
+					 &best_mismatch,
+					 &ignore_mat,
+					 &ignore_msize)
+			<= 0)
+			goto no;
+		} else if (!obj_eq(prvalue, pmvalue))
+		    goto no;
+	    }
+	    /* We have a match.  If it is a better match */
+	    /* than the current best one, it supersedes it */
+	    /* regardless of priority. */
+	    if (best_mismatch < mbest) {
+		mbest = best_mismatch;
+		reset_match(&match);
+	    }
+	    /* In case of a tie, see if the new match has */
+	    /* priority. */
+	    for (pi = match.priority; pi > 0;) {
+		ref pri;
+
+		pi--;
+		array_get(ppriority, pi, &pri);
+		if (obj_eq(&aelt.key, &pri)) {	/* Yes, higher priority. */
+		    match.best_key = aelt.key;
+		    match.priority = pi;
+		    break;
+		}
+	    }
+	    /* Save the match in case no match has priority. */
+	    match.match_key = aelt.key;
+no:;
+	}
+    }
+    if (r_has_type(&match.match_key, t_null)) {
+	make_false(op - 3);
+	pop(3);
+    } else {
+	if (r_has_type(&match.best_key, t_null))
+	    op[-3] = match.match_key;
+	else
+	    op[-3] = match.best_key;
+	make_true(op - 2);
+	pop(2);
+    }
+    return 0;
+}
+
+/* [<req_x> <req_y>] [<med_x0> <med_y0> (<med_x1> <med_y1> | )]
+ *     <policy> <orient|null> <roll> <matrix|null> .matchpagesize
+ *   <matrix|null> <med_x> <med_y> true   -or-  false
+ */
+private int
+zmatchpagesize(register os_ptr op)
+{
+    gs_matrix mat;
+    float ignore_mismatch = (float)max_long;
+    gs_point media_size;
+    int orient;
+    bool roll;
+    int code;
+
+    check_type(op[-3], t_integer);
+    if (r_has_type(op - 2, t_null))
+	orient = -1;
+    else {
+	check_int_leu(op[-2], 3);
+	orient = (int)op[-2].value.intval;
+    }
+    check_type(op[-1], t_boolean);
+    roll = op[-1].value.boolval;
+    code = zmatch_page_size(op - 5, op - 4, (int)op[-3].value.intval,
+			    orient, roll,
+			    &ignore_mismatch, &mat, &media_size);
+    switch (code) {
+	default:
+	    return code;
+	case 0:
+	    make_false(op - 5);
+	    pop(5);
+	    break;
+	case 1:
+	    code = write_matrix(op, &mat);
+	    if (code < 0 && !r_has_type(op, t_null))
+		return code;
+	    op[-5] = *op;
+	    make_real(op - 4, media_size.x);
+	    make_real(op - 3, media_size.y);
+	    make_true(op - 2);
+	    pop(2);
+	    break;
+    }
+    return 0;
+}
+/* Match the PageSize.  See below for details. */
+private bool match_page_size(P8(const gs_point * request,
+				const gs_rect * medium,
+				int policy, int orient, bool roll,
+				float *best_mismatch, gs_matrix * pmat,
+				gs_point * pmsize));
+private int
+zmatch_page_size(const ref * pvreq, const ref * pvmed,
+		 int policy, int orient, bool roll,
+		 float *best_mismatch, gs_matrix * pmat, gs_point * pmsize)
+{
+    uint nm;
+
+    check_array(*pvreq);
+    check_array(*pvmed);
+    if (!(r_size(pvreq) == 2 && ((nm = r_size(pvmed)) == 2 || nm == 4)))
+	return_error(e_rangecheck);
+    {
+	ref rv[6];
+	uint i;
+	double v[6];
+	int code;
+
+	array_get(pvreq, 0, &rv[0]);
+	array_get(pvreq, 1, &rv[1]);
+	for (i = 0; i < 4; ++i)
+	    array_get(pvmed, i % nm, &rv[i + 2]);
+	if ((code = num_params(rv + 5, 6, v)) < 0)
+	    return code;
+	{
+	    gs_point request;
+	    gs_rect medium;
+
+	    request.x = v[0], request.y = v[1];
+	    medium.p.x = v[2], medium.p.y = v[3],
+		medium.q.x = v[4], medium.q.y = v[5];
+	    return match_page_size(&request, &medium, policy, orient,
+				   roll, best_mismatch, pmat, pmsize);
+	}
+    }
+}
+/*
+ * Match a requested PageSize with the PageSize of a medium.  The medium
+ * may specify either a single value [mx my] or a range
+ * [mxmin mymin mxmax mymax]; matching means equality or inclusion
+ * to within a tolerance of 5, possibly swapping the requested X and Y.
+ * Take the Policies value into account, keeping track of the discrepancy
+ * if needed.  When a match is found, also return the matrix to be
+ * concatenated after setting up the default matrix, and the actual
+ * media size.
+ *
+ * NOTE: The algorithm here doesn't work properly for variable-size media
+ * when the match isn't exact.  We'll fix it if we ever need to.
+ */
+private void make_adjustment_matrix(P5(const gs_point * request,
+				       const gs_rect * medium,
+				       gs_matrix * pmat,
+				       bool scale, int rotate));
+private bool
+match_page_size(const gs_point * request, const gs_rect * medium, int policy,
+		int orient, bool roll, float *best_mismatch, gs_matrix * pmat,
+		gs_point * pmsize)
+{
+    double rx = request->x, ry = request->y;
+
+    if (policy == 7) {
+		/* (Adobe) hack: just impose requested values */
+	*best_mismatch = 0;
+	gs_make_identity(pmat);
+	*pmsize = *request;
+	return true;
+    }
+    if (rx - medium->p.x >= -5 && rx - medium->q.x <= 5 &&
+	ry - medium->p.y >= -5 && ry - medium->q.y <= 5 &&
+	(orient < 0 || !(orient & 1))
+	) {
+	*best_mismatch = 0;
+	make_adjustment_matrix(request, medium, pmat, false,
+			       (orient >= 0 ? orient : 0));
+    } else if (rx - medium->p.y >= -5 && rx - medium->q.y <= 5 &&
+	       ry - medium->p.x >= -5 && ry - medium->q.x <= 5 &&
+	       (orient < 0 || (orient & 1))
+	) {
+	*best_mismatch = 0;
+	make_adjustment_matrix(request, medium, pmat, false,
+			       (orient >= 0 ? orient :
+				rx < ry ? -1 : 1));
+    } else {
+	int rotate =
+	(orient >= 0 ? orient :
+	 rx < ry ?
+	 (medium->q.x > medium->q.y ? -1 : 0) :
+	 (medium->q.x < medium->q.y ? 1 : 0));
+	bool larger =
+	(rotate ? medium->q.y >= rx && medium->q.x >= ry :
+	 medium->q.x >= rx && medium->q.y >= ry);
+	bool adjust = false;
+	float mismatch = medium->q.x * medium->q.y - rx * ry;
+
+	switch (policy) {
+	    default:		/* exact match only */
+		return false;
+	    case 3:		/* nearest match, adjust */
+		adjust = true;
+	    case 5:		/* nearest match, don't adjust */
+		if (fabs(mismatch) >= fabs(*best_mismatch))
+		    return false;
+		break;
+	    case 4:		/* next larger match, adjust */
+		adjust = true;
+	    case 6:		/* next larger match, don't adjust */
+		if (!larger || mismatch >= *best_mismatch)
+		    return false;
+		break;
+	}
+	if (adjust)
+	    make_adjustment_matrix(request, medium, pmat, !larger, rotate);
+	else {
+	    gs_rect req_rect;
+
+	    req_rect.p = *request;
+	    req_rect.q = *request;
+	    make_adjustment_matrix(request, &req_rect, pmat, false, rotate);
+	}
+	*best_mismatch = mismatch;
+    }
+    if (pmat->xx == 0) {	/* Swap request X and Y. */
+	double temp = rx;
+
+	rx = ry, ry = temp;
+    }
+#define ADJUST_INTO(req, mmin, mmax)\
+  (req < mmin ? mmin : req > mmax ? mmax : req)
+    pmsize->x = ADJUST_INTO(rx, medium->p.x, medium->q.x);
+    pmsize->y = ADJUST_INTO(ry, medium->p.y, medium->q.y);
+#undef ADJUST_INTO
+    return true;
+}
+/*
+ * Compute the adjustment matrix for scaling and/or rotating the page
+ * to match the medium.  If the medium is completely flexible in a given
+ * dimension (e.g., roll media in one dimension, or displays in both),
+ * we must adjust its size in that dimension to match the request.
+ * We recognize this by an unreasonably small medium->p.{x,y}.
+ */
+#define MIN_MEDIA_SIZE 9
+private void
+make_adjustment_matrix(const gs_point * request, const gs_rect * medium,
+		       gs_matrix * pmat, bool scale, int rotate)
+{
+    double rx = request->x, ry = request->y;
+    double mx = medium->q.x, my = medium->q.y;
+
+    /* Rotate the request if necessary. */
+    if (rotate & 1) {
+	double temp = rx;
+
+	rx = ry, ry = temp;
+    }
+    /* Adjust the medium size if flexible. */
+    if (medium->p.x < MIN_MEDIA_SIZE && mx > rx)
+	mx = rx;
+    if (medium->p.y < MIN_MEDIA_SIZE && my > ry)
+	my = ry;
+
+    /* Translate to align the centers. */
+    gs_make_translation(mx / 2, my / 2, pmat);
+
+    /* Rotate if needed. */
+    if (rotate)
+	gs_matrix_rotate(pmat, 90.0 * rotate, pmat);
+
+    /* Scale if needed. */
+    if (scale) {
+	double xfactor = mx / rx;
+	double yfactor = my / ry;
+	double factor = min(xfactor, yfactor);
+
+	if (factor < 1)
+	    gs_matrix_scale(pmat, factor, factor, pmat);
+    }
+    /* Now translate the origin back, */
+    /* using the original, unswapped request. */
+    gs_matrix_translate(pmat, -request->x / 2, -request->y / 2, pmat);
+}
+#undef MIN_MEDIA_SIZE
+
+/* ------ Initialization procedure ------ */
+
+const op_def zmedia2_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"4.matchmedia", zmatchmedia},
+    {"6.matchpagesize", zmatchpagesize},
+    op_def_end(0)
+};
diff --git a/pstoraster/zmisc.c b/pstoraster/zmisc.c
new file mode 100644
index 000000000..2cc93d00f
--- /dev/null
+++ b/pstoraster/zmisc.c
@@ -0,0 +1,345 @@
+/* Copyright (C) 1989, 1995, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous operators */
+#include "errno_.h"
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "gscdefs.h"		/* for gs_serialnumber */
+#include "gp.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "dstack.h"		/* for name lookup in bind */
+#include "iname.h"
+#include "ipacked.h"
+#include "ivmspace.h"
+#include "store.h"
+
+/* <proc> bind <proc> */
+private int
+zbind(os_ptr op)
+{
+    uint depth = 1;
+    ref defn;
+    register os_ptr bsp;
+
+    switch (r_type(op)) {
+	case t_array:
+	case t_mixedarray:
+	case t_shortarray:
+	    defn = *op;
+	    break;
+	case t_oparray:
+	    defn = *op->value.const_refs;
+	    break;
+	default:
+	    return_op_typecheck(op);
+    }
+    push(1);
+    *op = defn;
+    bsp = op;
+    /*
+     * We must not make the top-level procedure read-only,
+     * but we must bind it even if it is read-only already.
+     *
+     * Here are the invariants for the following loop:
+     *      `depth' elements have been pushed on the ostack;
+     *      For i < depth, p = ref_stack_index(&o_stack, i):
+     *        *p is an array (or packedarray) ref. */
+#define r_is_ex_oper(rp)\
+  ((r_btype(rp) == t_operator || r_type(rp) == t_oparray) &&\
+   r_has_attr(rp, a_executable))
+    while (depth) {
+	while (r_size(bsp)) {
+	    ref *tp = bsp->value.refs;
+
+	    r_dec_size(bsp, 1);
+	    if (r_is_packed(tp)) {
+		/* Check for a packed executable name */
+		ushort elt = *PACKED(tp);
+
+		if (r_packed_is_exec_name(&elt)) {
+		    ref nref;
+		    ref *pvalue;
+
+		    name_index_ref(packed_name_index(&elt),
+				   &nref);
+		    if ((pvalue = dict_find_name(&nref)) != 0 &&
+			r_is_ex_oper(pvalue)
+			)
+			/* Note: can't undo this by restore! */
+			*PACKED(tp) =
+			    pt_tag(pt_executable_operator) +
+			    op_index(pvalue);
+		}
+		bsp->value.refs = (ref *) ((ref_packed *) tp + 1);
+	    } else
+		switch (bsp->value.refs++, r_type(tp)) {
+		    case t_name:	/* bind the name if an operator */
+			if (r_has_attr(tp, a_executable)) {
+			    ref *pvalue;
+
+			    if ((pvalue = dict_find_name(tp)) != 0 &&
+				r_is_ex_oper(pvalue)
+				)
+				ref_assign_old(bsp, tp, pvalue, "bind");
+			}
+			break;
+		    case t_array:	/* push into array if writable */
+			if (!r_has_attr(tp, a_write))
+			    break;
+		    case t_mixedarray:
+		    case t_shortarray:
+			if (r_has_attr(tp, a_executable)) {
+			    /* Make reference read-only */
+			    r_clear_attrs(tp, a_write);
+			    if (bsp >= ostop) {
+				/* Push a new stack block. */
+				ref temp;
+				int code;
+
+				temp = *tp;
+				osp = bsp;
+				code = ref_stack_push(&o_stack, 1);
+				if (code < 0) {
+				    ref_stack_pop(&o_stack, depth);
+				    return_error(code);
+				}
+				bsp = osp;
+				*bsp = temp;
+			    } else
+				*++bsp = *tp;
+			    depth++;
+			}
+		}
+	}
+	bsp--;
+	depth--;
+	if (bsp < osbot) {	/* Pop back to the previous stack block. */
+	    osp = bsp;
+	    ref_stack_pop_block(&o_stack);
+	    bsp = osp;
+	}
+    }
+    osp = bsp;
+    return 0;
+}
+
+/* - serialnumber <int> */
+private int
+zserialnumber(register os_ptr op)
+{
+    push(1);
+    make_int(op, gs_serialnumber);
+    return 0;
+}
+
+/* - realtime <int> */
+private int
+zrealtime(register os_ptr op)
+{
+    long secs_ns[2];
+
+    gp_get_realtime(secs_ns);
+    push(1);
+    make_int(op, secs_ns[0] * 1000 + secs_ns[1] / 1000000);
+    return 0;
+}
+
+/* - usertime <int> */
+private int
+zusertime(register os_ptr op)
+{
+    long secs_ns[2];
+
+    gp_get_usertime(secs_ns);
+    push(1);
+    make_int(op, secs_ns[0] * 1000 + secs_ns[1] / 1000000);
+    return 0;
+}
+
+/* ---------------- Non-standard operators ---------------- */
+
+/* <string> getenv <value_string> true */
+/* <string> getenv false */
+private int
+zgetenv(register os_ptr op)
+{
+    char *str;
+    byte *value;
+    int code;
+    int len = 0;
+
+    check_read_type(*op, t_string);
+    str = ref_to_string(op, imemory, "getenv key");
+    if (str == 0)
+	return_error(e_VMerror);
+    if (gp_getenv(str, (char *)0, &len) > 0) {	/* key missing */
+	ifree_string((byte *) str, r_size(op) + 1, "getenv key");
+	make_false(op);
+	return 0;
+    }
+    value = ialloc_string(len, "getenv value");
+    if (value == 0) {
+	ifree_string((byte *) str, r_size(op) + 1, "getenv key");
+	return_error(e_VMerror);
+    }
+    code = gp_getenv(str, (char *)value, &len);		/* can't fail */
+    ifree_string((byte *) str, r_size(op) + 1, "getenv key");
+    /* Delete the stupid C string terminator. */
+    value = iresize_string(value, len, len - 1,
+			   "getenv value");	/* can't fail */
+    push(1);
+    make_string(op - 1, a_all | icurrent_space, len - 1, value);
+    make_true(op);
+    return 0;
+}
+
+/* <name> <proc> .makeoperator <oper> */
+private int
+zmakeoperator(register os_ptr op)
+{
+    op_array_table *opt;
+    uint count;
+    ref *tab;
+
+    check_type(op[-1], t_name);
+    check_proc(*op);
+    switch (r_space(op)) {
+	case avm_global:
+	    opt = &op_array_table_global;
+	    break;
+	case avm_local:
+	    opt = &op_array_table_local;
+	    break;
+	default:
+	    return_error(e_invalidaccess);
+    }
+    count = opt->count;
+    tab = opt->table.value.refs;
+    /*
+     * restore doesn't reset op_array_table.count, but it does
+     * remove entries from op_array_table.table.  Since we fill
+     * the table in order, we can detect that a restore has occurred
+     * by checking whether what should be the most recent entry
+     * is occupied.  If not, we scan backwards over the vacated entries
+     * to find the true end of the table.
+     */
+    while (count > 0 && r_has_type(&tab[count - 1], t_null))
+	--count;
+    if (count == r_size(&opt->table))
+	return_error(e_limitcheck);
+    ref_assign_old(&opt->table, &tab[count], op, "makeoperator");
+    opt->nx_table[count] = name_index(op - 1);
+    op_index_ref(opt->base_index + count, op - 1);
+    opt->count = count + 1;
+    pop(1);
+    return 0;
+}
+
+/* - .oserrno <int> */
+private int
+zoserrno(register os_ptr op)
+{
+    push(1);
+    make_int(op, errno);
+    return 0;
+}
+
+/* <int> .setoserrno - */
+private int
+zsetoserrno(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    errno = op->value.intval;
+    pop(1);
+    return 0;
+}
+
+/* <int> .oserrorstring <string> true */
+/* <int> .oserrorstring false */
+private int
+zoserrorstring(register os_ptr op)
+{
+    const char *str;
+    int code;
+    uint len;
+    byte ch;
+
+    check_type(*op, t_integer);
+    str = gp_strerror((int)op->value.intval);
+    if (str == 0 || (len = strlen(str)) == 0) {
+	make_false(op);
+	return 0;
+    }
+    check_ostack(1);
+    code = string_to_ref(str, op, iimemory, ".oserrorstring");
+    if (code < 0)
+	return code;
+    /* Strip trailing end-of-line characters. */
+    while ((len = r_size(op)) != 0 &&
+	   ((ch = op->value.bytes[--len]) == '\r' || ch == '\n')
+	)
+	r_dec_size(op, 1);
+    push(1);
+    make_true(op);
+    return 0;
+}
+
+/* <string> <bool> .setdebug - */
+private int
+zsetdebug(register os_ptr op)
+{
+    check_read_type(op[-1], t_string);
+    check_type(*op, t_boolean);
+    {
+	int i;
+
+	for (i = 0; i < r_size(op - 1); i++)
+	    gs_debug[op[-1].value.bytes[i] & 127] =
+		op->value.boolval;
+    }
+    pop(2);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zmisc_op_defs[] =
+{
+    {"1bind", zbind},
+    {"1getenv", zgetenv},
+    {"2.makeoperator", zmakeoperator},
+    {"0.oserrno", zoserrno},
+    {"1.oserrorstring", zoserrorstring},
+    {"0realtime", zrealtime},
+    {"1serialnumber", zserialnumber},
+    {"2.setdebug", zsetdebug},
+    {"1.setoserrno", zsetoserrno},
+    {"0usertime", zusertime},
+    op_def_end(0)
+};
diff --git a/pstoraster/zmisc1.c b/pstoraster/zmisc1.c
new file mode 100644
index 000000000..aff17b5ff
--- /dev/null
+++ b/pstoraster/zmisc1.c
@@ -0,0 +1,157 @@
+/* Copyright (C) 1994, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous Type 1 font operators */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gscrypt1.h"
+#include "stream.h"		/* for getting state of PFBD stream */
+#include "strimpl.h"
+#include "sfilter.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ifilter.h"
+
+/* <state> <from_string> <to_string> .type1encrypt <new_state> <substring> */
+/* <state> <from_string> <to_string> .type1decrypt <new_state> <substring> */
+private int type1crypt(P2(os_ptr,
+			int (*)(P4(byte *, const byte *, uint, ushort *))));
+private int
+ztype1encrypt(os_ptr op)
+{
+    return type1crypt(op, gs_type1_encrypt);
+}
+private int
+ztype1decrypt(os_ptr op)
+{
+    return type1crypt(op, gs_type1_decrypt);
+}
+private int
+type1crypt(register os_ptr op,
+	   int (*proc)(P4(byte *, const byte *, uint, ushort *)))
+{
+    crypt_state state;
+    uint ssize;
+
+    check_type(op[-2], t_integer);
+    state = op[-2].value.intval;
+    if (op[-2].value.intval != state)
+	return_error(e_rangecheck);	/* state value was truncated */
+    check_read_type(op[-1], t_string);
+    check_write_type(*op, t_string);
+    ssize = r_size(op - 1);
+    if (r_size(op) < ssize)
+	return_error(e_rangecheck);
+    discard((*proc)(op->value.bytes, op[-1].value.const_bytes, ssize,
+		    &state));	/* can't fail */
+    op[-2].value.intval = state;
+    op[-1] = *op;
+    r_set_size(op - 1, ssize);
+    pop(1);
+    return 0;
+}
+
+/* Get the seed parameter for eexecEncode/Decode. */
+/* Return npop if OK. */
+private int
+eexec_param(os_ptr op, ushort * pcstate)
+{
+    int npop = 1;
+
+    if (r_has_type(op, t_dictionary))
+	++npop, --op;
+    check_type(*op, t_integer);
+    *pcstate = op->value.intval;
+    if (op->value.intval != *pcstate)
+	return_error(e_rangecheck);	/* state value was truncated */
+    return npop;
+}
+
+/* <target> <seed> eexecEncode/filter <file> */
+/* <target> <seed> <dict_ignored> eexecEncode/filter <file> */
+private int
+zexE(register os_ptr op)
+{
+    stream_exE_state state;
+    int code = eexec_param(op, &state.cstate);
+
+    if (code < 0)
+	return code;
+    return filter_write(op, code, &s_exE_template, (stream_state *)&state, 0);
+}
+
+/* <source> <seed> eexecDecode/filter <file> */
+/* <source> <dict> eexecDecode/filter <file> */
+private int
+zexD(register os_ptr op)
+{
+    stream_exD_state state;
+    int code;
+
+    (*s_exD_template.set_defaults)((stream_state *)&state);
+    if (r_has_type(op, t_dictionary)) {
+	uint cstate;
+
+	check_dict_read(*op);
+	if ((code = dict_uint_param(op, "seed", 0, 0xffff, 0x10000,
+				    &cstate)) < 0 ||
+	    (code = dict_int_param(op, "lenIV", 0, max_int, 4,
+				   &state.lenIV)) < 0
+	    )
+	    return code;
+	state.cstate = cstate;
+	code = 1;
+    } else {
+	code = eexec_param(op, &state.cstate);
+    }
+    if (code < 0)
+	return code;
+    /*
+     * If we're reading a .PFB file, let the filter know about it,
+     * so it can read recklessly to the end of the binary section.
+     */
+    state.pfb_state = 0;
+    if (r_has_type(op - 1, t_file)) {
+	stream *s = (op - 1)->value.pfile;
+
+	if (s->state != 0 && s->state->template == &s_PFBD_template)
+	    state.pfb_state = (stream_PFBD_state *) s->state;
+    }
+    state.binary = -1;
+    return filter_read(op, code, &s_exD_template, (stream_state *)&state, 0);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zmisc1_op_defs[] =
+{
+    {"3.type1encrypt", ztype1encrypt},
+    {"3.type1decrypt", ztype1decrypt},
+    op_def_begin_filter(),
+    {"2eexecEncode", zexE},
+    {"2eexecDecode", zexD},
+    op_def_end(0)
+};
diff --git a/pstoraster/zmisc2.c b/pstoraster/zmisc2.c
new file mode 100644
index 000000000..63b367100
--- /dev/null
+++ b/pstoraster/zmisc2.c
@@ -0,0 +1,322 @@
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous Level 2 operators */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"
+#include "idict.h"
+#include "idparam.h"
+#include "iparam.h"
+#include "dstack.h"
+#include "ilevel.h"
+#include "iname.h"
+#include "iutil2.h"
+#include "ivmspace.h"
+#include "store.h"
+
+/* Forward references */
+private int set_language_level(P1(int));
+
+/* ------ Language level operators ------ */
+
+/* - .languagelevel <int> */
+private int
+zlanguagelevel(register os_ptr op)
+{
+    push(1);
+    ref_assign(op, &ref_language_level);
+    return 0;
+}
+
+/* <int> .setlanguagelevel - */
+private int
+zsetlanguagelevel(register os_ptr op)
+{
+    int code = 0;
+
+    check_type(*op, t_integer);
+    if (op->value.intval != ref_language_level.value.intval) {
+	code = set_language_level((int)op->value.intval);
+	if (code < 0)
+	    return code;
+    }
+    pop(1);
+    ref_assign_old(NULL, &ref_language_level, op, "setlanguagelevel");
+    return code;
+}
+
+/* ------ The 'where' hack ------ */
+
+private int
+z2where(register os_ptr op)
+{	/*
+	 * Aldus Freehand versions 2.x check for the presence of the
+	 * setcolor operator, and if it is missing, substitute a procedure.
+	 * Unfortunately, the procedure takes different parameters from
+	 * the operator.  As a result, files produced by this application
+	 * cause an error if the setcolor operator is actually defined
+	 * and 'bind' is ever used.  Aldus fixed this bug in Freehand 3.0,
+	 * but there are a lot of files created by the older versions
+	 * still floating around.  Therefore, at Adobe's suggestion,
+	 * we implement the following dreadful hack in the 'where' operator:
+	 *      If the key is /setcolor, and
+	 *        there is a dictionary named FreeHandDict, and
+	 *        currentdict is that dictionary,
+	 *      then "where" consults only that dictionary and not any other
+	 *        dictionaries on the dictionary stack.
+	 */
+    ref rkns, rfh;
+    const ref *pdref = dsp;
+    ref *pvalue;
+
+    if (!r_has_type(op, t_name) ||
+	(name_string_ref(op, &rkns), r_size(&rkns)) != 8 ||
+	memcmp(rkns.value.bytes, "setcolor", 8) != 0 ||
+	name_ref((const byte *)"FreeHandDict", 12, &rfh, -1) < 0 ||
+	(pvalue = dict_find_name(&rfh)) == 0 ||
+	!obj_eq(pvalue, pdref)
+	)
+	return zwhere(op);
+    check_dict_read(*pdref);
+    if (dict_find(pdref, op, &pvalue) > 0) {
+	ref_assign(op, pdref);
+	push(1);
+	make_true(op);
+    } else
+	make_false(op);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+/* The level setting ops are recognized even in Level 1 mode. */
+const op_def zmisc2_op_defs[] =
+{
+    {"0.languagelevel", zlanguagelevel},
+    {"1.setlanguagelevel", zsetlanguagelevel},
+		/* The rest of the operators are defined only in Level 2. */
+    op_def_begin_level2(),
+    /* Note that this overrides the definition in zdict.c. */
+    {"1where", z2where},
+    op_def_end(0)
+};
+
+/* ------ Internal procedures ------ */
+
+/*
+ * Adjust the interpreter for a change in language level.
+ * This is used for the .setlanguagelevel operator,
+ * and (perhaps someday) after a restore.
+ */
+private int swap_level_dict(P1(const char *dict_name));
+private int swap_entry(P3(ref elt[2], ref * pdict, ref * pdict2));
+private int
+set_language_level(int new_level)
+{
+    int old_level = ref_language_level.value.intval;
+    ref *pgdict =		/* globaldict, if present */
+    ref_stack_index(&d_stack, ref_stack_count(&d_stack) - 2);
+    ref *level2dict;
+    int code = 0;
+
+    if (new_level < 1 ||
+	new_level >
+	(dict_find_string(systemdict, "ll3dict", &level2dict) > 0 ? 3 : 2)
+	)
+	return_error(e_rangecheck);
+    if (dict_find_string(systemdict, "level2dict", &level2dict) <= 0)
+	return_error(e_undefined);
+    /*
+     * As noted in dstack.h, we allocate the extra d-stack entry for
+     * globaldict even in Level 1 mode; in Level 1 mode, this entry
+     * holds an extra copy of systemdict, and [count]dictstack omit the
+     * very bottommost entry.
+     */
+    while (new_level != old_level) {
+	switch (old_level) {
+	    case 1: {		/* 1 => 2 or 3 */
+				/* Put globaldict in the dictionary stack. */
+		ref *pdict;
+
+		/*
+		 * This might be called so early in initialization that
+		 * globaldict hasn't been defined yet.  If so, just skip
+		 * this step.
+		 */
+		code = dict_find_string(level2dict, "globaldict", &pdict);
+		if (code > 0) {
+		    if (!r_has_type(pdict, t_dictionary))
+			return_error(e_typecheck);
+		    *pgdict = *pdict;
+		}
+		/* Set other flags for Level 2 operation. */
+		dict_auto_expand = true;
+		}
+		code = swap_level_dict("level2dict");
+		if (code < 0)
+		    return code;
+		++old_level;
+		continue;
+	    case 3:		/* 3 => 1 or 2 */
+		code = swap_level_dict("ll3dict");
+		if (code < 0)
+		    return code;
+		--old_level;
+		continue;
+	    default:		/* 2 => 1 or 3 */
+		break;
+	}
+	switch (new_level) {
+	    case 1: {		/* 2 => 1 */
+		/*
+		 * Clear the cached definition pointers of all names defined
+		 * in globaldict.  This will slow down future lookups, but
+		 * we don't care.
+		 */
+		int index = dict_first(pgdict);
+		ref elt[2];
+
+		while ((index = dict_next(pgdict, index, &elt[0])) >= 0)
+		    if (r_has_type(&elt[0], t_name))
+			name_invalidate_value_cache(&elt[0]);
+		/* Overwrite globaldict in the dictionary stack. */
+		*pgdict = *systemdict;
+		/* Set other flags for Level 1 operation. */
+		dict_auto_expand = false;
+		}
+		code = swap_level_dict("level2dict");
+		break;
+	    case 3:		/* 2 => 3 */
+		code = swap_level_dict("ll3dict");
+		break;
+	    default:		/* not possible */
+		return_error(e_Fatal);
+	}
+	break;
+    }
+    dict_set_top();		/* reload dict stack cache */
+    return code;
+}
+
+/*
+ * Swap the contents of a level dictionary (level2dict or ll3dict) and
+ * systemdict.  If a value in the level dictionary is itself a dictionary,
+ * and it contains a key/value pair referring to itself, swap its contents
+ * with the contents of the same dictionary in systemdict.  (This is a hack
+ * to swap the contents of statusdict.)
+ */
+private int
+swap_level_dict(const char *dict_name)
+{
+    ref *leveldict;
+    int index;
+    ref elt[2];			/* key, value */
+    ref *subdict;
+
+    if (dict_find_string(systemdict, dict_name, &leveldict) <= 0)
+	return_error(e_undefined);
+    index = dict_first(leveldict);
+    while ((index = dict_next(leveldict, index, &elt[0])) >= 0)
+	if (r_has_type(&elt[1], t_dictionary) &&
+	    dict_find(&elt[1], &elt[0], &subdict) > 0 &&
+	    obj_eq(&elt[1], subdict)
+	    ) {
+	    /* elt[1] is the 2nd-level sub-dictionary */
+	    int isub = dict_first(&elt[1]);
+	    ref subelt[2];
+	    int found = dict_find(systemdict, &elt[0], &subdict);
+
+	    if (found <= 0)
+		continue;
+	    while ((isub = dict_next(&elt[1], isub, &subelt[0])) >= 0)
+		if (!obj_eq(&subelt[0], &elt[0])) {
+		    /* don't swap dict itself */
+		    int code = swap_entry(subelt, subdict, &elt[1]);
+
+		    if (code < 0)
+			return code;
+		}
+	} else {
+	    int code = swap_entry(elt, systemdict, leveldict);
+
+	    if (code < 0)
+		return code;
+	}
+    return 0;
+}
+
+/*
+ * Swap an entry from a higher level dictionary into a base dictionary.
+ * elt[0] is the key, elt[1] is the current value in the Level 2 dictionary
+ * (*pdict2).
+ */
+private int
+swap_entry(ref elt[2], ref * pdict, ref * pdict2)
+{
+    ref *pvalue;
+    ref old_value;		/* current value in *pdict */
+    int found = dict_find(pdict, &elt[0], &pvalue);
+
+    switch (found) {
+	default:		/* <0, error */
+	    return found;
+	case 0:		/* missing */
+	    make_null(&old_value);
+	    break;
+	case 1:		/* present */
+	    old_value = *pvalue;
+    }
+    /*
+     * Temporarily flag the dictionaries as local, so that we don't
+     * get invalidaccess errors.  (We know that they are both
+     * referenced from systemdict, so they are allowed to reference
+     * local objects even if they are global.)
+     */
+    {
+	uint space2 = r_space(pdict2);
+	int code;
+
+	r_set_space(pdict2, avm_local);
+	dict_put(pdict2, &elt[0], &old_value);
+	if (r_has_type(&elt[1], t_null)) {
+	    code = dict_undef(pdict, &elt[0]);
+	    if (code == e_undefined &&
+		r_has_type(&old_value, t_null)
+		)
+		code = 0;
+	} else {
+	    uint space = r_space(pdict);
+
+	    r_set_space(pdict, avm_local);
+	    code = dict_put(pdict, &elt[0], &elt[1]);
+	    r_set_space(pdict, space);
+	}
+	r_set_space(pdict2, space2);
+	return code;
+    }
+}
diff --git a/pstoraster/zmisc3.c b/pstoraster/zmisc3.c
new file mode 100644
index 000000000..0c27f3cf7
--- /dev/null
+++ b/pstoraster/zmisc3.c
@@ -0,0 +1,129 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Miscellaneous LanguageLevel 3 operators */
+#include "ghost.h"
+#include "gsclipsr.h"
+#include "oper.h"
+#include "igstate.h"
+#include "store.h"
+
+/* - clipsave - */
+private int
+zclipsave(os_ptr op)
+{
+    return gs_clipsave(igs);
+}
+
+/* - cliprestore - */
+private int
+zcliprestore(os_ptr op)
+{
+    return gs_cliprestore(igs);
+}
+
+/* <proc1> <proc2> .eqproc <bool> */
+/*
+ * Test whether two procedures are equal to depth 10.
+ * This is the equality test used by idiom recognition in 'bind'.
+ */
+#define MAX_DEPTH 10		/* depth is per Adobe specification */
+typedef struct ref2_s {
+    ref proc1, proc2;
+} ref2_t;
+private int
+zeqproc(register os_ptr op)
+{
+    ref2_t stack[MAX_DEPTH + 1];
+    ref2_t *top = stack;
+
+    make_array(&stack[0].proc1, 0, 1, op - 1);
+    make_array(&stack[0].proc2, 0, 1, op);
+    for (;;) {
+	long i;
+
+	if (r_size(&top->proc1) == 0) {
+	    /* Finished these arrays, go up to next level. */
+	    if (top == stack) {
+		/* We're done matching: it succeeded. */
+		make_true(op - 1);
+		pop(1);
+		return 0;
+	    }
+	    --top;
+	    continue;
+	}
+	/* Look at the next elements of the arrays. */
+	i = r_size(&top->proc1) - 1;
+	array_get(&top->proc1, i, &top[1].proc1);
+	array_get(&top->proc2, i, &top[1].proc2);
+	r_dec_size(&top->proc1, 1);
+	++top;
+	/*
+	 * Amazingly enough, the objects' executable attributes are not
+	 * required to match.  This means { x load } will match { /x load },
+	 * even though this is clearly wrong.
+	 */
+#if 0
+	if (r_has_attr(&top->proc1, a_executable) !=
+	    r_has_attr(&top->proc2, a_executable)
+	    )
+	    break;
+#endif
+	if (obj_eq(&top->proc1, &top->proc2)) {
+	    /* Names don't match strings. */
+	    if (r_type(&top->proc1) != r_type(&top->proc2) &&
+		(r_type(&top->proc1) == t_name ||
+		 r_type(&top->proc2) == t_name)
+		)
+		break;
+	    --top;		/* no recursion */
+	    continue;
+	}
+	if (r_is_array(&top->proc1) && r_is_array(&top->proc2) &&
+	    r_size(&top->proc1) == r_size(&top->proc2) &&
+	    top < stack + (MAX_DEPTH - 1)
+	    ) {
+	    /* Descend into the arrays. */
+	    continue;
+	}
+	break;
+    }
+    /* An exit from the loop indicates that matching failed. */
+    make_false(op - 1);
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zmisc3_op_defs[] =
+{
+    op_def_begin_ll3(),
+    {"0cliprestore", zcliprestore},
+    {"0clipsave", zclipsave},
+    {"2.eqproc", zeqproc},
+    op_def_end(0)
+};
diff --git a/pstoraster/zpacked.c b/pstoraster/zpacked.c
new file mode 100644
index 000000000..7f3947068
--- /dev/null
+++ b/pstoraster/zpacked.c
@@ -0,0 +1,258 @@
+/* Copyright (C) 1990, 1992, 1993 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Packed array operators */
+#include "ghost.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "iname.h"
+#include "istack.h"		/* for iparray.h */
+#include "ipacked.h"
+#include "iparray.h"
+#include "ivmspace.h"
+#include "oper.h"
+#include "store.h"
+
+/* Import the array packing flag */
+extern ref ref_array_packing;
+
+/* - currentpacking <bool> */
+private int
+zcurrentpacking(register os_ptr op)
+{
+    push(1);
+    ref_assign(op, &ref_array_packing);
+    return 0;
+}
+
+/* <obj_0> ... <obj_n-1> <n> packedarray <packedarray> */
+int
+zpackedarray(register os_ptr op)
+{
+    int code;
+    ref parr;
+
+    check_type(*op, t_integer);
+    if (op->value.intval < 0 ||
+	(op->value.intval > op - osbot &&
+	 op->value.intval >= ref_stack_count(&o_stack))
+	)
+	return_error(e_rangecheck);
+    osp--;
+    code = make_packed_array(&parr, &o_stack, (uint) op->value.intval,
+			     "packedarray");
+    osp++;
+    if (code >= 0)
+	*osp = parr;
+    return code;
+}
+
+/* <bool> setpacking - */
+private int
+zsetpacking(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    ref_assign_old(NULL, &ref_array_packing, op, "setpacking");
+    pop(1);
+    return 0;
+}
+
+/* ------ Non-operator routines ------ */
+
+/* Make a packed array.  See the comment in packed.h about */
+/* ensuring that refs in mixed arrays are properly aligned. */
+int
+make_packed_array(ref * parr, ref_stack * pstack, uint size,
+		  client_name_t cname)
+{
+    uint i;
+    const ref *pref;
+    uint idest = 0, ishort = 0;
+    ref_packed *pbody;
+    ref_packed *pdest;
+    ref_packed *pshort;		/* points to start of */
+				/* last run of short elements */
+    uint space = ialloc_space(idmemory);
+    int skip = 0, pad;
+    ref rtemp;
+    int code;
+
+    /* Do a first pass to calculate the size of the array, */
+    /* and to detect local-into-global stores. */
+
+    for (i = size; i != 0; i--) {
+	pref = ref_stack_index(pstack, i - 1);
+	switch (r_btype(pref)) {	/* not r_type, opers are special */
+	    case t_name:
+		if (name_index(pref) >= packed_name_max_index)
+		    break;	/* can't pack */
+		idest++;
+		continue;
+	    case t_integer:
+		if (pref->value.intval < packed_min_intval ||
+		    pref->value.intval > packed_max_intval
+		    )
+		    break;
+		idest++;
+		continue;
+	    case t_oparray:
+		/* Check for local-into-global store. */
+		store_check_space(space, pref);
+		/* falls through */
+	    case t_operator:
+		{
+		    uint oidx;
+
+		    if (!r_has_attr(pref, a_executable))
+			break;
+		    oidx = op_index(pref);
+		    if (oidx == 0 || oidx > packed_int_mask)
+			break;
+		}
+		idest++;
+		continue;
+	    default:
+		/* Check for local-into-global store. */
+		store_check_space(space, pref);
+	}
+	/* Can't pack this element, use a full ref. */
+	/* We may have to unpack up to align_packed_per_ref - 1 */
+	/* preceding short elements. */
+	/* If we are at the beginning of the array, however, */
+	/* we can just move the elements up. */
+	{
+	    int i = (idest - ishort) & (align_packed_per_ref - 1);
+
+	    if (ishort == 0)	/* first time */
+		idest += skip = -i & (align_packed_per_ref - 1);
+	    else
+		idest += (packed_per_ref - 1) * i;
+	}
+	ishort = idest += packed_per_ref;
+    }
+    pad = -idest & (packed_per_ref - 1);	/* padding at end */
+
+    /* Now we can allocate the array. */
+
+    code = ialloc_ref_array(&rtemp, 0, (idest + pad) / packed_per_ref,
+			    cname);
+    if (code < 0)
+	return code;
+    pbody = (ref_packed *) rtemp.value.refs;
+
+    /* Make sure any initial skipped elements contain legal packed */
+    /* refs, so that the garbage collector can scan storage. */
+
+    pshort = pbody;
+    for (; skip; skip--)
+	*pbody++ = pt_tag(pt_integer);
+    pdest = pbody;
+
+    for (i = size; i != 0; i--) {
+	pref = ref_stack_index(pstack, i - 1);
+	switch (r_btype(pref)) {	/* not r_type, opers are special */
+	    case t_name:
+		{
+		    uint nidx = name_index(pref);
+
+		    if (nidx >= packed_name_max_index)
+			break;	/* can't pack */
+		    *pdest++ = nidx +
+			(r_has_attr(pref, a_executable) ?
+			 pt_tag(pt_executable_name) :
+			 pt_tag(pt_literal_name));
+		}
+		continue;
+	    case t_integer:
+		if (pref->value.intval < packed_min_intval ||
+		    pref->value.intval > packed_max_intval
+		    )
+		    break;
+		*pdest++ = pt_tag(pt_integer) +
+		    ((short)pref->value.intval - packed_min_intval);
+		continue;
+	    case t_oparray:
+	    case t_operator:
+		{
+		    uint oidx;
+
+		    if (!r_has_attr(pref, a_executable))
+			break;
+		    oidx = op_index(pref);
+		    if (oidx == 0 || oidx > packed_int_mask)
+			break;
+		    *pdest++ = pt_tag(pt_executable_operator) + oidx;
+		}
+		continue;
+	}
+	/* Can't pack this element, use a full ref. */
+	/* We may have to unpack up to align_packed_per_ref - 1 */
+	/* preceding short elements. */
+	/* Note that if we are at the beginning of the array, */
+	/* 'skip' already ensures that we don't need to do this. */
+	{
+	    int i = (pdest - pshort) & (align_packed_per_ref - 1);
+	    const ref_packed *psrc = pdest;
+	    ref *pmove =
+	    (ref *) (pdest += (packed_per_ref - 1) * i);
+
+	    ref_assign_new(pmove, pref);
+	    while (--i >= 0) {
+		--psrc;
+		--pmove;
+		packed_get(psrc, pmove);
+	    }
+	}
+	pshort = pdest += packed_per_ref;
+    }
+
+    {
+	int atype =
+	(pdest == pbody + size ? t_shortarray : t_mixedarray);
+
+	/* Pad with legal packed refs so that the garbage collector */
+	/* can scan storage. */
+
+	for (; pad; pad--)
+	    *pdest++ = pt_tag(pt_integer);
+
+	/* Finally, make the array. */
+
+	ref_stack_pop(pstack, size);
+	make_tasv_new(parr, atype, a_readonly | space, size,
+		      packed, pbody + skip);
+    }
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zpacked_op_defs[] =
+{
+    {"0currentpacking", zcurrentpacking},
+    {"1packedarray", zpackedarray},
+    {"1setpacking", zsetpacking},
+    op_def_end(0)
+};
diff --git a/pstoraster/zpaint.c b/pstoraster/zpaint.c
new file mode 100644
index 000000000..895b40852
--- /dev/null
+++ b/pstoraster/zpaint.c
@@ -0,0 +1,92 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Painting operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gspaint.h"
+#include "igstate.h"
+
+/* - fill - */
+private int
+zfill(register os_ptr op)
+{
+    return gs_fill(igs);
+}
+
+/* - eofill - */
+private int
+zeofill(register os_ptr op)
+{
+    return gs_eofill(igs);
+}
+
+/* - stroke - */
+private int
+zstroke(register os_ptr op)
+{
+    return gs_stroke(igs);
+}
+
+/* ------ Non-standard operators ------ */
+
+/* - .fillpage - */
+private int
+zfillpage(register os_ptr op)
+{
+    return gs_fillpage(igs);
+}
+
+/* <width> <height> <data> .imagepath - */
+private int
+zimagepath(register os_ptr op)
+{
+    int code;
+
+    check_type(op[-2], t_integer);
+    check_type(op[-1], t_integer);
+    check_read_type(*op, t_string);
+    if (r_size(op) < ((op[-2].value.intval + 7) >> 3) * op[-1].value.intval)
+	return_error(e_rangecheck);
+    code = gs_imagepath(igs,
+			(int)op[-2].value.intval, (int)op[-1].value.intval,
+			op->value.const_bytes);
+    if (code >= 0)
+	pop(3);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zpaint_op_defs[] =
+{
+    {"0eofill", zeofill},
+    {"0fill", zfill},
+    {"0stroke", zstroke},
+		/* Non-standard operators */
+    {"0.fillpage", zfillpage},
+    {"3.imagepath", zimagepath},
+    op_def_end(0)
+};
diff --git a/pstoraster/zpath.c b/pstoraster/zpath.c
new file mode 100644
index 000000000..7b1d77a7e
--- /dev/null
+++ b/pstoraster/zpath.c
@@ -0,0 +1,205 @@
+/* Copyright (C) 1989, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Basic path operators */
+#include "math_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "igstate.h"
+#include "gsmatrix.h"
+#include "gspath.h"
+#include "store.h"
+
+/* Forward references */
+private int common_to(P2(os_ptr,
+			 int (*)(P3(gs_state *, floatp, floatp))));
+private int common_curve(P2(os_ptr,
+  int (*)(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, floatp))));
+
+/* - newpath - */
+private int
+znewpath(register os_ptr op)
+{
+    return gs_newpath(igs);
+}
+
+/* - currentpoint <x> <y> */
+private int
+zcurrentpoint(register os_ptr op)
+{
+    gs_point pt;
+    int code = gs_currentpoint(igs, &pt);
+
+    if (code < 0)
+	return code;
+    push(2);
+    make_real(op - 1, pt.x);
+    make_real(op, pt.y);
+    return 0;
+}
+
+/* <x> <y> moveto - */
+int
+zmoveto(os_ptr op)
+{
+    return common_to(op, gs_moveto);
+}
+
+/* <dx> <dy> rmoveto - */
+int
+zrmoveto(os_ptr op)
+{
+    return common_to(op, gs_rmoveto);
+}
+
+/* <x> <y> lineto - */
+int
+zlineto(os_ptr op)
+{
+    return common_to(op, gs_lineto);
+}
+
+/* <dx> <dy> rlineto - */
+int
+zrlineto(os_ptr op)
+{
+    return common_to(op, gs_rlineto);
+}
+
+/* Common code for [r](move/line)to */
+private int
+common_to(os_ptr op, int (*add_proc)(P3(gs_state *, floatp, floatp)))
+{
+    double opxy[2];
+    int code;
+
+    if ((code = num_params(op, 2, opxy)) < 0 ||
+	(code = (*add_proc)(igs, opxy[0], opxy[1])) < 0
+	)
+	return code;
+    pop(2);
+    return 0;
+}
+
+/* <x1> <y1> <x2> <y2> <x3> <y3> curveto - */
+int
+zcurveto(register os_ptr op)
+{
+    return common_curve(op, gs_curveto);
+}
+
+/* <dx1> <dy1> <dx2> <dy2> <dx3> <dy3> rcurveto - */
+int
+zrcurveto(register os_ptr op)
+{
+    return common_curve(op, gs_rcurveto);
+}
+
+/* Common code for [r]curveto */
+private int
+common_curve(os_ptr op,
+	     int (*add_proc)(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, floatp)))
+{
+    double opxy[6];
+    int code;
+
+    if ((code = num_params(op, 6, opxy)) < 0)
+	return code;
+    code = (*add_proc)(igs, opxy[0], opxy[1], opxy[2], opxy[3], opxy[4], opxy[5]);
+    if (code >= 0)
+	pop(6);
+    return code;
+}
+
+/* - closepath - */
+int
+zclosepath(register os_ptr op)
+{
+    return gs_closepath(igs);
+}
+
+/* - initclip - */
+private int
+zinitclip(register os_ptr op)
+{
+    return gs_initclip(igs);
+}
+
+/* - clip - */
+private int
+zclip(register os_ptr op)
+{
+    return gs_clip(igs);
+}
+
+/* - eoclip - */
+private int
+zeoclip(register os_ptr op)
+{
+    return gs_eoclip(igs);
+}
+
+/* <bool> .setclipoutside - */
+private int
+zsetclipoutside(register os_ptr op)
+{
+    int code;
+
+    check_type(*op, t_boolean);
+    code = gs_setclipoutside(igs, op->value.boolval);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* - .currentclipoutside <bool> */
+private int
+zcurrentclipoutside(register os_ptr op)
+{
+    push(1);
+    make_bool(op, gs_currentclipoutside(igs));
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zpath_op_defs[] =
+{
+    {"0clip", zclip},
+    {"0closepath", zclosepath},
+    {"0.currentclipoutside", zcurrentclipoutside},
+    {"0currentpoint", zcurrentpoint},
+    {"6curveto", zcurveto},
+    {"0eoclip", zeoclip},
+    {"0initclip", zinitclip},
+    {"2lineto", zlineto},
+    {"2moveto", zmoveto},
+    {"0newpath", znewpath},
+    {"6rcurveto", zrcurveto},
+    {"2rlineto", zrlineto},
+    {"2rmoveto", zrmoveto},
+    {"1.setclipoutside", zsetclipoutside},
+    op_def_end(0)
+};
diff --git a/pstoraster/zpath1.c b/pstoraster/zpath1.c
new file mode 100644
index 000000000..39dd7d6b2
--- /dev/null
+++ b/pstoraster/zpath1.c
@@ -0,0 +1,279 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PostScript Level 1 additional path operators */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"		/* for pathforall */
+#include "ialloc.h"
+#include "igstate.h"
+#include "gsstruct.h"
+#include "gspath.h"
+#include "store.h"
+
+/* Forward references */
+private int common_arc(P2(os_ptr,
+	  int (*)(P6(gs_state *, floatp, floatp, floatp, floatp, floatp))));
+private int common_arct(P2(os_ptr, float *));
+
+/* <x> <y> <r> <ang1> <ang2> arc - */
+int
+zarc(os_ptr op)
+{
+    return common_arc(op, gs_arc);
+}
+
+/* <x> <y> <r> <ang1> <ang2> arcn - */
+int
+zarcn(os_ptr op)
+{
+    return common_arc(op, gs_arcn);
+}
+
+/* Common code for arc[n] */
+private int
+common_arc(os_ptr op,
+      int (*aproc)(P6(gs_state *, floatp, floatp, floatp, floatp, floatp)))
+{
+    double xyra[5];		/* x, y, r, ang1, ang2 */
+    int code = num_params(op, 5, xyra);
+
+    if (code < 0)
+	return code;
+    code = (*aproc)(igs, xyra[0], xyra[1], xyra[2], xyra[3], xyra[4]);
+    if (code >= 0)
+	pop(5);
+    return code;
+}
+
+/* <x1> <y1> <x2> <y2> <r> arct - */
+int
+zarct(register os_ptr op)
+{
+    int code = common_arct(op, (float *)0);
+
+    if (code < 0)
+	return code;
+    pop(5);
+    return 0;
+}
+
+/* <x1> <y1> <x2> <y2> <r> arcto <xt1> <yt1> <xt2> <yt2> */
+private int
+zarcto(register os_ptr op)
+{
+    float tanxy[4];		/* xt1, yt1, xt2, yt2 */
+    int code = common_arct(op, tanxy);
+
+    if (code < 0)
+	return code;
+    make_real(op - 4, tanxy[0]);
+    make_real(op - 3, tanxy[1]);
+    make_real(op - 2, tanxy[2]);
+    make_real(op - 1, tanxy[3]);
+    pop(1);
+    return 0;
+}
+
+/* Common code for arct[o] */
+private int
+common_arct(os_ptr op, float *tanxy)
+{
+    double args[5];		/* x1, y1, x2, y2, r */
+    int code = num_params(op, 5, args);
+
+    if (code < 0)
+	return code;
+    return gs_arcto(igs, args[0], args[1], args[2], args[3], args[4], tanxy);
+}
+
+/* - .dashpath - */
+private int
+zdashpath(register os_ptr op)
+{
+    return gs_dashpath(igs);
+}
+
+/* - flattenpath - */
+private int
+zflattenpath(register os_ptr op)
+{
+    return gs_flattenpath(igs);
+}
+
+/* - reversepath - */
+private int
+zreversepath(register os_ptr op)
+{
+    return gs_reversepath(igs);
+}
+
+/* - strokepath - */
+private int
+zstrokepath(register os_ptr op)
+{
+    return gs_strokepath(igs);
+}
+
+/* - clippath - */
+private int
+zclippath(register os_ptr op)
+{
+    return gs_clippath(igs);
+}
+
+/* <bool> .pathbbox <llx> <lly> <urx> <ury> */
+private int
+zpathbbox(register os_ptr op)
+{
+    gs_rect box;
+    int code;
+
+    check_type(*op, t_boolean);
+    code = gs_upathbbox(igs, &box, op->value.boolval);
+    if (code < 0)
+	return code;
+    push(3);
+    make_real(op - 3, box.p.x);
+    make_real(op - 2, box.p.y);
+    make_real(op - 1, box.q.x);
+    make_real(op, box.q.y);
+    return 0;
+}
+
+/* <moveproc> <lineproc> <curveproc> <closeproc> pathforall - */
+private int path_continue(P1(os_ptr));
+private int path_cleanup(P1(os_ptr));
+private int
+zpathforall(register os_ptr op)
+{
+    gs_path_enum *penum;
+    int code;
+
+    check_proc(op[-3]);
+    check_proc(op[-2]);
+    check_proc(op[-1]);
+    check_proc(*op);
+    check_estack(8);
+    if ((penum = gs_path_enum_alloc(imemory, "pathforall")) == 0)
+	return_error(e_VMerror);
+    code = gs_path_enum_init(penum, igs);
+    if (code < 0) {
+	ifree_object(penum, "path_cleanup");
+	return code;
+    }
+    /* Push a mark, the four procedures, and the path enumerator. */
+    push_mark_estack(es_for, path_cleanup);	/* iterator */
+    memcpy(esp + 1, op - 3, 4 * sizeof(ref));	/* 4 procs */
+    esp += 5;
+    make_istruct(esp, 0, penum);
+    push_op_estack(path_continue);
+    pop(4);
+    op -= 4;
+    return o_push_estack;
+}
+/* Continuation procedure for pathforall */
+private void pf_push(P3(gs_point *, int, os_ptr));
+private int
+path_continue(register os_ptr op)
+{
+    gs_path_enum *penum = r_ptr(esp, gs_path_enum);
+    gs_point ppts[3];
+    int code;
+
+    /* Make sure we have room on the o-stack for the worst case */
+    /* before we enumerate the next path element. */
+    check_ostack(6);		/* 3 points for curveto */
+    code = gs_path_enum_next(penum, ppts);
+    switch (code) {
+	case 0:		/* all done */
+	    esp -= 6;
+	    path_cleanup(op);
+	    return o_pop_estack;
+	default:		/* error */
+	    return code;
+	case gs_pe_moveto:
+	    esp[2] = esp[-4];	/* moveto proc */
+	    pf_push(ppts, 1, op);
+	    break;
+	case gs_pe_lineto:
+	    esp[2] = esp[-3];	/* lineto proc */
+	    pf_push(ppts, 1, op);
+	    break;
+	case gs_pe_curveto:
+	    esp[2] = esp[-2];	/* curveto proc */
+	    pf_push(ppts, 3, op);
+	    break;
+	case gs_pe_closepath:
+	    esp[2] = esp[-1];	/* closepath proc */
+	    break;
+    }
+    push_op_estack(path_continue);
+    ++esp;			/* include pushed procedure */
+    return o_push_estack;
+}
+/* Internal procedure to push one or more points */
+private void
+pf_push(gs_point * ppts, int n, os_ptr op)
+{
+    while (n--) {
+	op += 2;
+	make_real(op - 1, ppts->x);
+	make_real(op, ppts->y);
+	ppts++;
+    }
+    osp = op;
+}
+/* Clean up after a pathforall */
+private int
+path_cleanup(os_ptr op)
+{
+    gs_path_enum *penum = r_ptr(esp + 6, gs_path_enum);
+
+    gs_path_enum_cleanup(penum);
+    ifree_object(penum, "path_cleanup");
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zpath1_op_defs[] =
+{
+    {"5arc", zarc},
+    {"5arcn", zarcn},
+    {"5arct", zarct},
+    {"5arcto", zarcto},
+    {"0clippath", zclippath},
+    {"0.dashpath", zdashpath},
+    {"0flattenpath", zflattenpath},
+    {"4pathforall", zpathforall},
+    {"0reversepath", zreversepath},
+    {"0strokepath", zstrokepath},
+    {"0.pathbbox", zpathbbox},
+		/* Internal operators */
+    {"0%path_continue", path_continue},
+    op_def_end(0)
+};
diff --git a/pstoraster/zpcolor.c b/pstoraster/zpcolor.c
new file mode 100644
index 000000000..445487d02
--- /dev/null
+++ b/pstoraster/zpcolor.c
@@ -0,0 +1,264 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Pattern color */
+#include "ghost.h"
+#include "oper.h"
+#include "gscolor.h"
+#include "gsmatrix.h"
+#include "gsstruct.h"
+#include "gxcspace.h"
+#include "gxfixed.h"		/* for gxcolor2.h */
+#include "gxcolor2.h"
+#include "gxdcolor.h"		/* for gxpcolor.h */
+#include "gxdevice.h"
+#include "gxdevmem.h"		/* for gxpcolor.h */
+#include "gxpcolor.h"
+#include "estack.h"
+#include "ialloc.h"
+#include "istruct.h"
+#include "idict.h"
+#include "idparam.h"
+#include "igstate.h"
+#include "store.h"
+
+/* Imported from gspcolor.c */
+extern const gs_color_space_type gs_color_space_type_Pattern;
+
+/* Imported from zcolor2.c */
+extern gs_memory_type_ptr_t zcolor2_st_pattern_instance_p;
+
+/* Forward references */
+private int zPaintProc(P2(const gs_client_color *, gs_state *));
+private int pattern_paint_prepare(P1(os_ptr));
+private int pattern_paint_finish(P1(os_ptr));
+
+/*
+ * Define the structure for remembering the pattern dictionary.
+ * This is the "client data" in the template.
+ * See zgstate.c (int_gstate) or zfont2.c (font_data) for information
+ * as to why we define this as a structure rather than a ref array.
+ */
+typedef struct int_pattern_s {
+    ref dict;
+} int_pattern;
+
+gs_private_st_ref_struct(st_int_pattern, int_pattern, "int_pattern");
+
+/* Initialize the Pattern cache and the Pattern instance type. */
+private void
+zpcolor_init(void)
+{
+    gstate_set_pattern_cache(igs,
+			     gx_pattern_alloc_cache(imemory_system,
+					       gx_pat_cache_default_tiles(),
+					      gx_pat_cache_default_bits()));
+    zcolor2_st_pattern_instance_p = &st_pattern_instance;
+}
+
+/* <pattern> <matrix> .buildpattern1 <pattern> <instance> */
+private int
+zbuildpattern1(os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int code;
+    gs_matrix mat;
+    float BBox[4];
+    gs_client_pattern template;
+    int_pattern *pdata;
+    gs_client_color cc_instance;
+    ref *pPaintProc;
+
+    check_type(*op1, t_dictionary);
+    check_dict_read(*op1);
+    gs_pattern1_init(&template);
+    if ((code = read_matrix(op, &mat)) < 0 ||
+	(code = dict_uid_param(op1, &template.uid, 1, imemory)) != 1 ||
+	(code = dict_int_param(op1, "PaintType", 1, 2, 0, &template.PaintType)) < 0 ||
+	(code = dict_int_param(op1, "TilingType", 1, 3, 0, &template.TilingType)) < 0 ||
+	(code = dict_float_array_param(op1, "BBox", 4, BBox, NULL)) != 4 ||
+	(code = dict_float_param(op1, "XStep", 0.0, &template.XStep)) != 0 ||
+	(code = dict_float_param(op1, "YStep", 0.0, &template.YStep)) != 0 ||
+	(code = dict_find_string(op1, "PaintProc", &pPaintProc)) <= 0
+	)
+	return_error((code < 0 ? code : e_rangecheck));
+    check_proc(*pPaintProc);
+    template.BBox.p.x = BBox[0];
+    template.BBox.p.y = BBox[1];
+    template.BBox.q.x = BBox[2];
+    template.BBox.q.y = BBox[3];
+    template.PaintProc = zPaintProc;
+    pdata = ialloc_struct(int_pattern, &st_int_pattern, "int_pattern");
+    if (pdata == 0)
+	return_error(e_VMerror);
+    template.client_data = pdata;
+    pdata->dict = *op1;
+    code = gs_makepattern(&cc_instance, &template, &mat, igs, imemory);
+    if (code < 0) {
+	ifree_object(pdata, "int_pattern");
+	return code;
+    }
+    make_istruct(op, a_readonly, cc_instance.pattern);
+    return code;
+}
+
+/* <array> .setpatternspace - */
+/* In the case of uncolored patterns, the current color space is */
+/* the base space for the pattern space. */
+private int
+zsetpatternspace(register os_ptr op)
+{
+    gs_color_space cs;
+    uint edepth = ref_stack_count(&e_stack);
+    int code;
+
+    check_read_type(*op, t_array);
+    switch (r_size(op)) {
+	case 1:		/* no base space */
+	    cs.params.pattern.has_base_space = false;
+	    break;
+	default:
+	    return_error(e_rangecheck);
+	case 2:
+	    cs = *gs_currentcolorspace(igs);
+	    if (cs_num_components(&cs) < 0)	/* i.e., Pattern space */
+		return_error(e_rangecheck);
+	    /* We can't count on C compilers to recognize the aliasing */
+	    /* that would be involved in a direct assignment, so.... */
+	    {
+		gs_paint_color_space cs_paint;
+
+		cs_paint = *(gs_paint_color_space *) & cs;
+		cs.params.pattern.base_space = cs_paint;
+	    }
+	    cs.params.pattern.has_base_space = true;
+    }
+    cs.type = &gs_color_space_type_Pattern;
+    code = gs_setcolorspace(igs, &cs);
+    if (code < 0) {
+	ref_stack_pop_to(&e_stack, edepth);
+	return code;
+    }
+    pop(1);
+    return (ref_stack_count(&e_stack) == edepth ? 0 : o_push_estack);	/* installation will load the caches */
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zpcolor_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+    {"2.buildpattern1", zbuildpattern1},
+    {"1.setpatternspace", zsetpatternspace},
+		/* Internal operators */
+    {"0%pattern_paint_prepare", pattern_paint_prepare},
+    {"0%pattern_paint_finish", pattern_paint_finish},
+    op_def_end(zpcolor_init)
+};
+
+/* ------ Internal procedures ------ */
+
+/* Set up the pattern pointer in a client color for setcolor */
+/* with a Pattern space. */
+/****** ? WHAT WAS THIS FOR ? ******/
+
+/* Render the pattern by calling the PaintProc. */
+private int pattern_paint_cleanup(P1(os_ptr));
+private int
+zPaintProc(const gs_client_color * pcc, gs_state * pgs)
+{
+    /* Just schedule a call on the real PaintProc. */
+    check_estack(2);
+    esp++;
+    push_op_estack(pattern_paint_prepare);
+    return e_InsertProc;
+}
+/* Prepare to run the PaintProc. */
+private int
+pattern_paint_prepare(os_ptr op)
+{
+    gs_state *pgs = igs;
+    gs_pattern_instance *pinst = gs_currentcolor(pgs)->pattern;
+    ref *pdict = &((int_pattern *) pinst->template.client_data)->dict;
+    gx_device_pattern_accum *pdev;
+    int code;
+    ref *ppp;
+
+    check_estack(5);
+    pdev = gx_pattern_accum_alloc(imemory, "pattern_paint_prepare");
+    if (pdev == 0)
+	return_error(e_VMerror);
+    pdev->instance = pinst;
+    pdev->bitmap_memory = gstate_pattern_cache(pgs)->memory;
+    code = (*dev_proc(pdev, open_device)) ((gx_device *) pdev);
+    if (code < 0) {
+	ifree_object(pdev, "pattern_paint_prepare");
+	return code;
+    }
+    code = gs_gsave(pgs);
+    if (code < 0)
+	return code;
+    code = gs_setgstate(pgs, pinst->saved);
+    if (code < 0) {
+	gs_grestore(pgs);
+	return code;
+    }
+    gx_set_device_only(pgs, (gx_device *) pdev);
+    push_mark_estack(es_other, pattern_paint_cleanup);
+    ++esp;
+    make_istruct(esp, 0, pdev);
+    push_op_estack(pattern_paint_finish);
+    dict_find_string(pdict, "PaintProc", &ppp);		/* can't fail */
+    *++esp = *ppp;
+    *++esp = *pdict;		/* (push on ostack) */
+    return o_push_estack;
+}
+/* Save the rendered pattern. */
+private int
+pattern_paint_finish(os_ptr op)
+{
+    gx_device_pattern_accum *pdev = r_ptr(esp, gx_device_pattern_accum);
+    gx_color_tile *ctile;
+    int code = gx_pattern_cache_add_entry((gs_imager_state *)igs,
+					  pdev, &ctile);
+
+    if (code < 0)
+	return code;
+    esp -= 2;
+    pattern_paint_cleanup(op);
+    return o_pop_estack;
+}
+/* Clean up after rendering a pattern.  Note that iff the rendering */
+/* succeeded, closing the accumulator won't free the bits. */
+private int
+pattern_paint_cleanup(os_ptr op)
+{
+    gx_device_pattern_accum *const pdev =
+	r_ptr(esp + 2, gx_device_pattern_accum);
+
+    /* grestore will free the device, so close it first. */
+    (*dev_proc(pdev, close_device)) ((gx_device *) pdev);
+    return gs_grestore(igs);
+}
diff --git a/pstoraster/zrelbit.c b/pstoraster/zrelbit.c
new file mode 100644
index 000000000..08e07f3d0
--- /dev/null
+++ b/pstoraster/zrelbit.c
@@ -0,0 +1,342 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Relational, boolean, and bit operators */
+#include "ghost.h"
+#include "oper.h"
+#include "gsutil.h"
+#include "idict.h"
+#include "store.h"
+
+/* ------ Standard operators ------ */
+
+/* Define the type test for eq and its relatives. */
+#define EQ_CHECK_READ(opp, dflt)\
+    switch ( r_type(opp) ) {\
+	case t_string:\
+	    check_read(*(opp));\
+	    break;\
+	default:\
+	    dflt;\
+  }
+
+/* Forward references */
+private int obj_le(P2(os_ptr, os_ptr));
+
+/* <obj1> <obj2> eq <bool> */
+private int
+zeq(register os_ptr op)
+{
+    EQ_CHECK_READ(op - 1, check_op(2));
+    EQ_CHECK_READ(op, DO_NOTHING);
+    make_bool(op - 1, (obj_eq(op - 1, op) ? 1 : 0));
+    pop(1);
+    return 0;
+}
+
+/* <obj1> <obj2> ne <bool> */
+private int
+zne(register os_ptr op)
+{	/* We'll just be lazy and use eq. */
+    int code = zeq(op);
+
+    if (!code)
+	op[-1].value.boolval ^= 1;
+    return code;
+}
+
+/* <num1> <num2> ge <bool> */
+/* <str1> <str2> ge <bool> */
+private int
+zge(register os_ptr op)
+{
+    int code = obj_le(op, op - 1);
+
+    if (code < 0)
+	return code;
+    make_bool(op - 1, code);
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> gt <bool> */
+/* <str1> <str2> gt <bool> */
+private int
+zgt(register os_ptr op)
+{
+    int code = obj_le(op - 1, op);
+
+    if (code < 0)
+	return code;
+    make_bool(op - 1, code ^ 1);
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> le <bool> */
+/* <str1> <str2> le <bool> */
+private int
+zle(register os_ptr op)
+{
+    int code = obj_le(op - 1, op);
+
+    if (code < 0)
+	return code;
+    make_bool(op - 1, code);
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> lt <bool> */
+/* <str1> <str2> lt <bool> */
+private int
+zlt(register os_ptr op)
+{
+    int code = obj_le(op, op - 1);
+
+    if (code < 0)
+	return code;
+    make_bool(op - 1, code ^ 1);
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> .max <num> */
+/* <str1> <str2> .max <str> */
+private int
+zmax(register os_ptr op)
+{
+    int code = obj_le(op - 1, op);
+
+    if (code < 0)
+	return code;
+    if (code) {
+	ref_assign(op - 1, op);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <num1> <num2> .min <num> */
+/* <str1> <str2> .min <str> */
+private int
+zmin(register os_ptr op)
+{
+    int code = obj_le(op - 1, op);
+
+    if (code < 0)
+	return code;
+    if (!code) {
+	ref_assign(op - 1, op);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <bool1> <bool2> and <bool> */
+/* <int1> <int2> and <int> */
+private int
+zand(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_boolean:
+	    check_type(op[-1], t_boolean);
+	    op[-1].value.boolval &= op->value.boolval;
+	    break;
+	case t_integer:
+	    check_type(op[-1], t_integer);
+	    op[-1].value.intval &= op->value.intval;
+	    break;
+	default:
+	    return_op_typecheck(op);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <bool> not <bool> */
+/* <int> not <int> */
+private int
+znot(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_boolean:
+	    op->value.boolval = !op->value.boolval;
+	    break;
+	case t_integer:
+	    op->value.intval = ~op->value.intval;
+	    break;
+	default:
+	    return_op_typecheck(op);
+    }
+    return 0;
+}
+
+/* <bool1> <bool2> or <bool> */
+/* <int1> <int2> or <int> */
+private int
+zor(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_boolean:
+	    check_type(op[-1], t_boolean);
+	    op[-1].value.boolval |= op->value.boolval;
+	    break;
+	case t_integer:
+	    check_type(op[-1], t_integer);
+	    op[-1].value.intval |= op->value.intval;
+	    break;
+	default:
+	    return_op_typecheck(op);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <bool1> <bool2> xor <bool> */
+/* <int1> <int2> xor <int> */
+private int
+zxor(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_boolean:
+	    check_type(op[-1], t_boolean);
+	    op[-1].value.boolval ^= op->value.boolval;
+	    break;
+	case t_integer:
+	    check_type(op[-1], t_integer);
+	    op[-1].value.intval ^= op->value.intval;
+	    break;
+	default:
+	    return_op_typecheck(op);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <int> <shift> bitshift <int> */
+private int
+zbitshift(register os_ptr op)
+{
+    int shift;
+
+    check_type(*op, t_integer);
+    check_type(op[-1], t_integer);
+#define MAX_SHIFT (arch_sizeof_long * 8 - 1)
+    if (op->value.intval < -MAX_SHIFT || op->value.intval > MAX_SHIFT)
+	op[-1].value.intval = 0;
+#undef MAX_SHIFT
+    else if ((shift = op->value.intval) < 0)
+	op[-1].value.intval = ((ulong)(op[-1].value.intval)) >> -shift;
+    else
+	op[-1].value.intval <<= shift;
+    pop(1);
+    return 0;
+}
+
+/* ------ Extensions ------ */
+
+/* <obj1> <obj2> .identeq <bool> */
+private int
+zidenteq(register os_ptr op)
+{
+    EQ_CHECK_READ(op - 1, check_op(2));
+    EQ_CHECK_READ(op, DO_NOTHING);
+    make_bool(op - 1, (obj_ident_eq(op - 1, op) ? 1 : 0));
+    pop(1);
+    return 0;
+
+}
+
+/* <obj1> <obj2> .identne <bool> */
+private int
+zidentne(register os_ptr op)
+{	/* We'll just be lazy and use .identeq. */
+    int code = zidenteq(op);
+
+    if (!code)
+	op[-1].value.boolval ^= 1;
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zrelbit_op_defs[] =
+{
+    {"2and", zand},
+    {"2bitshift", zbitshift},
+    {"2eq", zeq},
+    {"2ge", zge},
+    {"2gt", zgt},
+    {"2le", zle},
+    {"2lt", zlt},
+    {"2.max", zmax},
+    {"2.min", zmin},
+    {"2ne", zne},
+    {"1not", znot},
+    {"2or", zor},
+    {"2xor", zxor},
+		/* Extensions */
+    {"2.identeq", zidenteq},
+    {"2.identne", zidentne},
+    op_def_end(0)
+};
+
+/* ------ Internal routines ------ */
+
+/* Compare two operands (both numeric, or both strings). */
+/* Return 1 if op[-1] <= op[0], 0 if op[-1] > op[0], */
+/* or a (negative) error code. */
+private int
+obj_le(register os_ptr op1, register os_ptr op)
+{
+    switch (r_type(op1)) {
+	case t_integer:
+	    switch (r_type(op)) {
+		case t_integer:
+		    return (op1->value.intval <= op->value.intval);
+		case t_real:
+		    return ((double)op1->value.intval <= op->value.realval);
+		default:
+		    return_op_typecheck(op);
+	    }
+	case t_real:
+	    switch (r_type(op)) {
+		case t_real:
+		    return (op1->value.realval <= op->value.realval);
+		case t_integer:
+		    return (op1->value.realval <= (double)op->value.intval);
+		default:
+		    return_op_typecheck(op);
+	    }
+	case t_string:
+	    check_read(*op1);
+	    check_read_type(*op, t_string);
+	    return (bytes_compare(op1->value.bytes, r_size(op1),
+				  op->value.bytes, r_size(op)) <= 0);
+	default:
+	    return_op_typecheck(op1);
+    }
+}
diff --git a/pstoraster/zshade.c b/pstoraster/zshade.c
new file mode 100644
index 000000000..2486976b8
--- /dev/null
+++ b/pstoraster/zshade.c
@@ -0,0 +1,599 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* PostScript language interface to shading */
+#include "memory_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gscolor3.h"
+#include "gscspace.h"
+#include "gscolor2.h"		/* requires gscspace.h */
+#include "gsfunc3.h"
+#include "gsstruct.h"		/* must precede gsshade.h */
+#include "gsshade.h"
+#include "gsuid.h"
+#include "stream.h"		/* for files.h */
+#include "files.h"
+#include "ialloc.h"
+#include "idict.h"
+#include "idparam.h"
+#include "ifunc.h"
+#include "igstate.h"
+#include "store.h"
+
+/* Forward references */
+private int shading_param(P2(const_os_ptr op, const gs_shading_t ** ppsh));
+
+/* ---------------- Standard operators ---------------- */
+
+/* - currentsmoothness <smoothness> */
+private int
+zcurrentsmoothness(register os_ptr op)
+{
+    push(1);
+    make_real(op, gs_currentsmoothness(igs));
+    return 0;
+}
+
+/* <smoothness> setsmoothness - */
+private int
+zsetsmoothness(register os_ptr op)
+{
+    double smoothness;
+    int code;
+
+    if (real_param(op, &smoothness) < 0)
+	return_op_typecheck(op);
+    if ((code = gs_setsmoothness(igs, smoothness)) < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <shading> .shfill - */
+private int
+zshfill(register os_ptr op)
+{
+    const gs_shading_t *psh;
+    int code = shading_param(op, &psh);
+
+    if (code < 0 || (code = gs_shfill(igs, psh)) < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* ------ Non-standard operators ------ */
+
+/* <pattern> <matrix> <shading> .buildshadingpattern <pattern> <instance> */
+private int
+zbuildshadingpattern(os_ptr op)
+{
+    os_ptr op2 = op - 2;
+    const gs_shading_t *psh;
+    gs_matrix mat;
+    struct {
+	gs_uid uid;
+    } template;		/****** WRONG ******/
+    int code;
+
+    check_type(*op2, t_dictionary);
+    check_dict_read(*op2);
+
+    if ((code = shading_param(op, &psh)) < 0 ||
+	(code = read_matrix(op - 1, &mat)) < 0 ||
+	(code = dict_uid_param(op2, &template.uid, 1, imemory)) != 1
+	)
+	return_error((code < 0 ? code : e_rangecheck));
+    /****** NYI ******/
+    return_error(e_undefined);
+}
+
+/* ------ Internal procedures ------ */
+
+/* Get a shading parameter. */
+private int
+shading_param(const_os_ptr op, const gs_shading_t ** ppsh)
+{	/*
+	 * Since shadings form a subclass hierarchy, we currently have
+	 * no way to check whether a structure is actually a shading.
+	 */
+    if (!r_is_struct(op) ||
+	r_has_masked_attrs(op, a_executable | a_execute, a_all)
+	)
+	return_error(e_typecheck);
+    *ppsh = (gs_shading_t *) op->value.pstruct;
+    return 0;
+}
+
+/* ---------------- Shading dictionaries ---------------- */
+
+/* ------ Common code ------ */
+
+extern_st(st_color_space);
+
+typedef int (*build_shading_proc_t)(P3(const ref *op,
+				       const gs_shading_params_t *params,
+				       gs_shading_t **ppsh));
+
+/* Operators */
+
+/* Common framework for building shadings. */
+private int
+build_shading(ref * op, build_shading_proc_t proc)
+{
+    int code;
+    float box[4];
+    gs_shading_params_t params;
+    gs_shading_t *psh;
+    ref *pvalue;
+
+    check_type(*op, t_dictionary);
+    params.ColorSpace = 0;
+    params.Background = 0;
+    /* Collect parameters common to all shading types. */
+    {
+	const gs_color_space *pcs_orig = gs_currentcolorspace(igs);
+	int num_comp = gs_color_space_num_components(pcs_orig);
+	gs_color_space *pcs;
+
+	if (num_comp < 0)	/* Pattern color space */
+	    return_error(e_rangecheck);
+	pcs = ialloc_struct(gs_color_space, &st_color_space,
+			    "build_shading");
+	if (pcs == 0)
+	    return_error(e_VMerror);
+	gs_cspace_init_from(pcs, pcs_orig);
+	params.ColorSpace = pcs;
+	if (dict_find_string(op, "Background", &pvalue) > 0) {
+	    gs_client_color *pcc =
+		ialloc_struct(gs_client_color, &st_client_color,
+			      "build_shading");
+
+	    if (pcc == 0) {
+		code = gs_note_error(e_VMerror);
+		goto fail;
+	    }
+	    pcc->pattern = 0;
+	    params.Background = pcc;
+	    code = dict_float_array_param(op, "Background",
+					  countof(pcc->paint.values),
+					  pcc->paint.values, NULL);
+	    if (code != gs_color_space_num_components(pcs))
+		goto fail;
+	}
+    }
+    if (dict_find_string(op, "BBox", &pvalue) <= 0)
+	params.have_BBox = false;
+    else if ((code = dict_float_array_param(op, "BBox", 4, box, NULL)) == 4) {
+	params.BBox.p.x = box[0];
+	params.BBox.p.y = box[1];
+	params.BBox.q.x = box[2];
+	params.BBox.q.y = box[3];
+	params.have_BBox = true;
+    } else
+	goto fail;
+    code = dict_bool_param(op, "AntiAlias", false, &params.AntiAlias);
+    if (code < 0)
+	goto fail;
+    /* Finish building the shading. */
+    code = (*proc) (op, &params, &psh);
+    if (code < 0)
+	goto fail;
+    make_istruct_new(op, 0, psh);
+    return code;
+fail:
+    ifree_object(params.Background, "Background");
+    if (params.ColorSpace) {
+	gs_cspace_release(params.ColorSpace);
+	ifree_object(params.ColorSpace, "ColorSpace");
+    }
+    return (code < 0 ? code : gs_note_error(e_rangecheck));
+}
+
+/* Collect a Function value. */
+private int
+build_shading_function(const ref * op, gs_function_t ** ppfn, int num_inputs)
+{
+    ref *pFunction;
+
+    *ppfn = 0;
+    if (dict_find_string(op, "Function", &pFunction) <= 0)
+	return 0;
+    if (r_is_array(pFunction)) {
+	uint size = r_size(pFunction);
+	gs_function_t **Functions;
+	uint i;
+	gs_function_AdOt_params_t params;
+	int code;
+
+	check_read(*pFunction);
+	if (size == 0)
+	    return_error(e_rangecheck);
+	code = ialloc_function_array(size, &Functions);
+	if (code < 0)
+	    return code;
+	for (i = 0; i < size; ++i) {
+	    ref rsubfn;
+
+	    array_get(op, (long)i, &rsubfn);
+	    code = fn_build_function(&rsubfn, &Functions[i]);
+	    if (code < 0)
+		break;
+	}
+	params.m = 1;
+	params.Domain = 0;
+	params.n = size;
+	params.Range = 0;
+	params.Functions = (const gs_function_t * const *)Functions;
+	if (code >= 0)
+	    code = gs_function_AdOt_init(ppfn, &params, imemory);
+	if (code < 0)
+	    gs_function_AdOt_free_params(&params, imemory);
+	return code;
+    } else
+	return fn_build_function(pFunction, ppfn);
+}
+
+/* ------ Build shadings ------ */
+
+/* Build a ShadingType 1 (Function-based) shading. */
+private int
+build_shading_1(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_Fb_params_t params;
+    int code;
+    static const float default_Domain[4] = {0, 1, 0, 1};
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    gs_make_identity(&params.Matrix);
+    params.Function = 0;
+    if ((code = dict_float_array_param(op, "Domain", 4, params.Domain,
+				       default_Domain)) != 4 ||
+	(code = dict_matrix_param(op, "Matrix", &params.Matrix)) < 0 ||
+	(code = build_shading_function(op, &params.Function, 2)) < 0 ||
+	(code = gs_shading_Fb_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    }
+    return 0;
+}
+/* <dict> .buildshading1 <shading_struct> */
+private int
+zbuildshading1(os_ptr op)
+{
+    return build_shading(op, build_shading_1);
+}
+
+/* Collect parameters for an Axial or Radial shading. */
+private int
+build_directional_shading(const ref * op, float *Coords, int num_Coords,
+		float Domain[2], gs_function_t ** pFunction, bool Extend[2])
+{
+    int code =
+	dict_float_array_param(op, "Coords", num_Coords, Coords, NULL);
+    static const float default_Domain[2] = {0, 1};
+    ref *pExtend;
+
+    *pFunction = 0;
+    if (code != num_Coords ||
+	(code = dict_float_array_param(op, "Domain", 2, Domain,
+				       default_Domain)) != 2 ||
+	(code = build_shading_function(op, pFunction, 1)) < 0
+	)
+	return (code < 0 ? code : gs_note_error(e_rangecheck));
+    if (dict_find_string(op, "Extend", &pExtend) <= 0)
+	Extend[0] = Extend[1] = false;
+    else {
+	ref E0, E1;
+
+	if (!r_is_array(pExtend))
+	    return_error(e_typecheck);
+	else if (r_size(pExtend) != 2)
+	    return_error(e_rangecheck);
+	else if ((array_get(pExtend, 0L, &E0), !r_has_type(&E0, t_boolean)) ||
+		 (array_get(pExtend, 1L, &E1), !r_has_type(&E1, t_boolean))
+	    )
+	    return_error(e_typecheck);
+	Extend[0] = E0.value.boolval, Extend[1] = E1.value.boolval;
+    }
+    return 0;
+}
+
+/* Build a ShadingType 2 (Axial) shading. */
+private int
+build_shading_2(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_A_params_t params;
+    int code;
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    if ((code = build_directional_shading(op, params.Coords, 4,
+					  params.Domain, &params.Function,
+					  params.Extend)) < 0 ||
+	(code = gs_shading_A_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+    }
+    return code;
+}
+/* <dict> .buildshading2 <shading_struct> */
+private int
+zbuildshading2(os_ptr op)
+{
+    return build_shading(op, build_shading_2);
+}
+
+/* Build a ShadingType 3 (Radial) shading. */
+private int
+build_shading_3(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_R_params_t params;
+    int code;
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    if ((code = build_directional_shading(op, params.Coords, 6,
+					  params.Domain, &params.Function,
+					  params.Extend)) < 0 ||
+	(code = gs_shading_R_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+    }
+    return code;
+}
+/* <dict> .buildshading3 <shading_struct> */
+private int
+zbuildshading3(os_ptr op)
+{
+    return build_shading(op, build_shading_3);
+}
+
+/* Collect parameters for a mesh shading. */
+private int
+build_mesh_shading(const ref * op, gs_shading_mesh_params_t * params,
+		   float **pDecode, gs_function_t ** pFunction)
+{
+    int code;
+    ref *pDataSource;
+
+    *pDecode = 0;
+    *pFunction = 0;
+    if (dict_find_string(op, "DataSource", &pDataSource) <= 0)
+	return_error(e_rangecheck);
+    if (r_is_array(pDataSource)) {
+	uint size = r_size(pDataSource);
+	float *data =
+	    (float *)ialloc_byte_array(size, sizeof(float),
+				       "build_mesh_shading");
+	int code;
+
+	if (data == 0)
+	    return_error(e_VMerror);
+	code = float_params(pDataSource->value.refs + size - 1, size, data);
+	if (code < 0) {
+	    ifree_object(data, "build_mesh_shading");
+	    return code;
+	}
+	data_source_init_floats(&params->DataSource, data, size);
+    } else
+	switch (r_type(pDataSource)) {
+	    case t_file: {
+		stream *s;
+
+		check_read_file(s, pDataSource);
+		data_source_init_stream(&params->DataSource, s);
+		break;
+	    }
+	    case t_string:
+		check_read(*pDataSource);
+		data_source_init_string2(&params->DataSource,
+					 pDataSource->value.bytes,
+					 r_size(pDataSource));
+		break;
+	    default:
+		return_error(e_typecheck);
+	}
+    if (data_source_is_array(params->DataSource)) {
+	params->BitsPerCoordinate = 0;
+	params->BitsPerComponent = 0;
+    } else {
+	int num_decode =
+	    4 + gs_color_space_num_components(params->ColorSpace) * 2;
+
+/****** FREE FLOAT ARRAY DATA ON ERROR ******/
+	if ((code = dict_int_param(op, "BitsPerCoordinate", 1, 32, 0,
+				   &params->BitsPerCoordinate)) < 0 ||
+	    (code = dict_int_param(op, "BitsPerComponent", 1, 16, 0,
+				   &params->BitsPerComponent)) < 0
+	    )
+	    return code;
+	*pDecode = (float *)ialloc_byte_array(num_decode, sizeof(float),
+					      "build_mesh_shading");
+
+	if (*pDecode == 0)
+	    return_error(e_VMerror);
+	code = dict_float_array_param(op, "Decode", num_decode, *pDecode,
+				      NULL);
+	if (code != num_decode) {
+	    ifree_object(*pDecode, "build_mesh_shading");
+	    *pDecode = 0;
+	    return (code < 0 ? code : gs_note_error(e_rangecheck));
+	}
+    }
+    code = build_shading_function(op, pFunction, 1);
+    if (code < 0) {
+	ifree_object(*pDecode, "build_mesh_shading");
+	*pDecode = 0;
+    }
+    return code;
+}
+
+/* Collect the BitsPerFlag parameter, if relevant. */
+private int
+flag_bits_param(const ref * op, const gs_shading_mesh_params_t * params,
+		int *pBitsPerFlag)
+{
+    if (data_source_is_array(params->DataSource)) {
+	*pBitsPerFlag = 0;
+	return 0;
+    } else {
+	return dict_int_param(op, "BitsPerFlag", 2, 8, 0, pBitsPerFlag);
+    }
+}
+
+/* Build a ShadingType 4 (Free-form Gouraud triangle mesh) shading. */
+private int
+build_shading_4(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_FfGt_params_t params;
+    int code;
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    if ((code =
+	 build_mesh_shading(op, (gs_shading_mesh_params_t *)&params,
+			    &params.Decode, &params.Function)) < 0 ||
+	(code = flag_bits_param(op, (gs_shading_mesh_params_t *)&params,
+				&params.BitsPerFlag)) < 0 ||
+	(code = gs_shading_FfGt_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+	ifree_object(params.Decode, "Decode");
+    }
+    return code;
+}
+/* <dict> .buildshading4 <shading_struct> */
+private int
+zbuildshading4(os_ptr op)
+{
+    return build_shading(op, build_shading_4);
+}
+
+/* Build a ShadingType 5 (Lattice-form Gouraud triangle mesh) shading. */
+private int
+build_shading_5(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_LfGt_params_t params;
+    int code;
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    if ((code =
+	 build_mesh_shading(op, (gs_shading_mesh_params_t *)&params,
+			    &params.Decode, &params.Function)) < 0 ||
+	(code = dict_int_param(op, "VerticesPerRow", 2, max_int, 0,
+			       &params.VerticesPerRow)) < 0 ||
+	(code = gs_shading_LfGt_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+	ifree_object(params.Decode, "Decode");
+    }
+    return code;
+}
+/* <dict> .buildshading5 <shading_struct> */
+private int
+zbuildshading5(os_ptr op)
+{
+    return build_shading(op, build_shading_5);
+}
+
+/* Build a ShadingType 6 (Coons patch mesh) shading. */
+private int
+build_shading_6(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_Cp_params_t params;
+    int code;
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    if ((code =
+	 build_mesh_shading(op, (gs_shading_mesh_params_t *)&params,
+			    &params.Decode, &params.Function)) < 0 ||
+	(code = flag_bits_param(op, (gs_shading_mesh_params_t *)&params,
+				&params.BitsPerFlag)) < 0 ||
+	(code = gs_shading_Cp_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+	ifree_object(params.Decode, "Decode");
+    }
+    return code;
+}
+/* <dict> .buildshading6 <shading_struct> */
+private int
+zbuildshading6(os_ptr op)
+{
+    return build_shading(op, build_shading_6);
+}
+
+/* Build a ShadingType 7 (Tensor product patch mesh) shading. */
+private int
+build_shading_7(const ref * op, const gs_shading_params_t * pcommon,
+		gs_shading_t ** ppsh)
+{
+    gs_shading_Tpp_params_t params;
+    int code;
+
+    *(gs_shading_params_t *)&params = *pcommon;
+    if ((code =
+	 build_mesh_shading(op, (gs_shading_mesh_params_t *)&params,
+			    &params.Decode, &params.Function)) < 0 ||
+	(code = flag_bits_param(op, (gs_shading_mesh_params_t *)&params,
+				&params.BitsPerFlag)) < 0 ||
+	(code = gs_shading_Tpp_init(ppsh, &params, imemory)) < 0
+	) {
+	ifree_object(params.Function, "Function");
+	ifree_object(params.Decode, "Decode");
+    }
+    return code;
+}
+/* <dict> .buildshading7 <shading_struct> */
+private int
+zbuildshading7(os_ptr op)
+{
+    return build_shading(op, build_shading_7);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zshade_op_defs[] =
+{
+    op_def_begin_ll3(),
+    {"0currentsmoothness", zcurrentsmoothness},
+    {"1setsmoothness", zsetsmoothness},
+    {"1.shfill", zshfill},
+    {"1.buildshading1", zbuildshading1},
+    {"1.buildshading2", zbuildshading2},
+    {"1.buildshading3", zbuildshading3},
+    {"1.buildshading4", zbuildshading4},
+    {"1.buildshading5", zbuildshading5},
+    {"1.buildshading6", zbuildshading6},
+    {"1.buildshading7", zbuildshading7},
+    {"3.buildshadingpattern", zbuildshadingpattern},
+    op_def_end(0)
+};
diff --git a/pstoraster/zstack.c b/pstoraster/zstack.c
new file mode 100644
index 000000000..5057b1d64
--- /dev/null
+++ b/pstoraster/zstack.c
@@ -0,0 +1,295 @@
+/* Copyright (C) 1989, 1991, 1992, 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Operand stack operators */
+#include "memory_.h"
+#include "ghost.h"
+#include "ialloc.h"
+#include "istack.h"
+#include "oper.h"
+#include "store.h"
+
+/* <obj> pop - */
+int
+zpop(register os_ptr op)
+{
+    check_op(1);
+    pop(1);
+    return 0;
+}
+
+/* <obj1> <obj2> exch <obj2> <obj1> */
+int
+zexch(register os_ptr op)
+{
+    ref next;
+
+    check_op(2);
+    ref_assign_inline(&next, op - 1);
+    ref_assign_inline(op - 1, op);
+    ref_assign_inline(op, &next);
+    return 0;
+}
+
+/* <obj> dup <obj> <obj> */
+int
+zdup(register os_ptr op)
+{
+    check_op(1);
+    push(1);
+    ref_assign_inline(op, op - 1);
+    return 0;
+}
+
+/* <obj_n> ... <obj_0> <n> index <obj_n> ... <obj_0> <obj_n> */
+int
+zindex(register os_ptr op)
+{
+    register os_ptr opn;
+
+    check_type(*op, t_integer);
+    if ((ulong)op->value.intval >= op - osbot) {
+	/* Might be in an older stack block. */
+	ref *elt;
+
+	if (op->value.intval < 0)
+	    return_error(e_rangecheck);
+	elt = ref_stack_index(&o_stack, op->value.intval + 1);
+	if (elt == 0)
+	    return_error(e_rangecheck);
+	ref_assign(op, elt);
+	return 0;
+    }
+    opn = op + ~(int)op->value.intval;
+    ref_assign_inline(op, opn);
+    return 0;
+}
+
+/* <obj_n-1> ... <obj_0> <n> <i> roll */
+/*      <obj_(i-1)_mod_ n> ... <obj_0> <obj_n-1> ... <obj_i_mod_n> */
+int
+zroll(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    int count, mod;
+    register os_ptr from, to;
+    register int n;
+
+    check_type(*op1, t_integer);
+    check_type(*op, t_integer);
+    if ((ulong) op1->value.intval > op1 - osbot) {
+	/*
+	 * The data might span multiple stack blocks.
+	 * There are efficient ways to handle this situation,
+	 * but they're more complicated than seems worth implementing;
+	 * for now, do something very simple and inefficient.
+	 */
+	int left, i;
+
+	if (op1->value.intval < 0 ||
+	    op1->value.intval + 2 > ref_stack_count(&o_stack)
+	    )
+	    return_error(e_rangecheck);
+	count = op1->value.intval;
+	if (count <= 1) {
+	    pop(2);
+	    return 0;
+	}
+	mod = op->value.intval;
+	if (mod >= count)
+	    mod %= count;
+	else if (mod < 0) {
+	    mod %= count;
+	    if (mod < 0)
+		mod += count;	/* can't assume % means mod! */
+	}
+	/* Use the chain rotation algorithm mentioned below. */
+	for (i = 0, left = count; left; i++) {
+	    ref *elt = ref_stack_index(&o_stack, i + 2);
+	    ref save;
+	    int j, k;
+	    ref *next;
+
+	    save = *elt;
+	    for (j = i, left--;; j = k, elt = next, left--) {
+		k = (j + mod) % count;
+		if (k == i)
+		    break;
+		next = ref_stack_index(&o_stack, k + 2);
+		ref_assign(elt, next);
+	    }
+	    *elt = save;
+	}
+	pop(2);
+	return 0;
+    }
+    count = op1->value.intval;
+    if (count <= 1) {
+	pop(2);
+	return 0;
+    }
+    mod = op->value.intval;
+    /*
+     * The elegant approach, requiring no extra space, would be to
+     * rotate the elements in chains separated by mod elements.
+     * Instead, we simply check to make sure there is enough space
+     * above op to do the roll in two block moves.
+     * Unfortunately, we can't count on memcpy doing the right thing
+     * in *either* direction.
+     */
+    switch (mod) {
+	case 1:		/* common special case */
+	    pop(2);
+	    op -= 2;
+	    {
+		ref top;
+
+		ref_assign_inline(&top, op);
+		for (from = op, n = count; --n; from--)
+		    ref_assign_inline(from, from - 1);
+		ref_assign_inline(from, &top);
+	    }
+	    return 0;
+	case -1:		/* common special case */
+	    pop(2);
+	    op -= 2;
+	    {
+		ref bot;
+
+		to = op - count + 1;
+		ref_assign_inline(&bot, to);
+		for (n = count; --n; to++)
+		    ref_assign(to, to + 1);
+		ref_assign_inline(to, &bot);
+	    }
+	    return 0;
+    }
+    if (mod < 0) {
+	mod += count;
+	if (mod < 0) {
+	    mod %= count;
+	    if (mod < 0)
+		mod += count;	/* can't assume % means mod! */
+	}
+    } else if (mod >= count)
+	mod %= count;
+    if (mod <= count >> 1) {
+	/* Move everything up, then top elements down. */
+	if (mod >= ostop - op) {
+	    o_stack.requested = mod;
+	    return_error(e_stackoverflow);
+	}
+	pop(2);
+	op -= 2;
+	for (to = op + mod, from = op, n = count; n--; to--, from--)
+	    ref_assign(to, from);
+	memcpy((char *)(from + 1), (char *)(op + 1), mod * sizeof(ref));
+    } else {
+	/* Move bottom elements up, then everything down. */
+	mod = count - mod;
+	if (mod >= ostop - op) {
+	    o_stack.requested = mod;
+	    return_error(e_stackoverflow);
+	}
+	pop(2);
+	op -= 2;
+	to = op - count + 1;
+	memcpy((char *)(op + 1), (char *)to, mod * sizeof(ref));
+	for (from = to + mod, n = count; n--; to++, from++)
+	    ref_assign(to, from);
+    }
+    return 0;
+}
+
+/* |- ... clear |- */
+/* The function name is changed, because the IRIS library has */
+/* a function called zclear. */
+private int
+zclear_stack(os_ptr op)
+{
+    ref_stack_clear(&o_stack);
+    return 0;
+}
+
+/* |- <obj_n-1> ... <obj_0> count <obj_n-1> ... <obj_0> <n> */
+private int
+zcount(register os_ptr op)
+{
+    push(1);
+    make_int(op, ref_stack_count(&o_stack) - 1);
+    return 0;
+}
+
+/* - mark <mark> */
+private int
+zmark(register os_ptr op)
+{
+    push(1);
+    make_mark(op);
+    return 0;
+}
+
+/* <mark> ... cleartomark */
+int
+zcleartomark(register os_ptr op)
+{
+    uint count = ref_stack_counttomark(&o_stack);
+
+    if (count == 0)
+	return_error(e_unmatchedmark);
+    ref_stack_pop(&o_stack, count);
+    return 0;
+}
+
+/* <mark> <obj_n-1> ... <obj_0> counttomark */
+/*      <mark> <obj_n-1> ... <obj_0> <n> */
+private int
+zcounttomark(os_ptr op)
+{
+    uint count = ref_stack_counttomark(&o_stack);
+
+    if (count == 0)
+	return_error(e_unmatchedmark);
+    push(1);
+    make_int(op, count - 1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zstack_op_defs[] =
+{
+    {"0clear", zclear_stack},
+    {"0cleartomark", zcleartomark},
+    {"0count", zcount},
+    {"0counttomark", zcounttomark},
+    {"1dup", zdup},
+    {"2exch", zexch},
+    {"2index", zindex},
+    {"0mark", zmark},
+    {"1pop", zpop},
+    {"2roll", zroll},
+    op_def_end(0)
+};
diff --git a/pstoraster/zstring.c b/pstoraster/zstring.c
new file mode 100644
index 000000000..d009465a8
--- /dev/null
+++ b/pstoraster/zstring.c
@@ -0,0 +1,172 @@
+/* Copyright (C) 1989, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* String operators */
+#include "memory_.h"
+#include "ghost.h"
+#include "gsutil.h"
+#include "ialloc.h"
+#include "iname.h"
+#include "ivmspace.h"
+#include "oper.h"
+#include "store.h"
+
+/* The generic operators (copy, get, put, getinterval, putinterval, */
+/* length, and forall) are implemented in zgeneric.c. */
+
+/* <int> string <string> */
+int
+zstring(register os_ptr op)
+{
+    byte *sbody;
+    uint size;
+
+    check_int_leu(*op, max_string_size);
+    size = op->value.intval;
+    sbody = ialloc_string(size, "string");
+    if (sbody == 0)
+	return_error(e_VMerror);
+    make_string(op, a_all | icurrent_space, size, sbody);
+    memset(sbody, 0, size);
+    return 0;
+}
+
+/* <name> .namestring <string> */
+private int
+znamestring(register os_ptr op)
+{
+    check_type(*op, t_name);
+    name_string_ref(op, op);
+    return 0;
+}
+
+/* <string> <pattern> anchorsearch <post> <match> -true- */
+/* <string> <pattern> anchorsearch <string> -false- */
+private int
+zanchorsearch(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    uint size = r_size(op);
+
+    check_read_type(*op1, t_string);
+    check_read_type(*op, t_string);
+    if (size <= r_size(op1) && !memcmp(op1->value.bytes, op->value.bytes, size)) {
+	os_ptr op0 = op;
+
+	push(1);
+	*op0 = *op1;
+	r_set_size(op0, size);
+	op1->value.bytes += size;
+	r_dec_size(op1, size);
+	make_true(op);
+    } else
+	make_false(op);
+    return 0;
+}
+
+/* <string> <pattern> search <post> <match> <pre> -true- */
+/* <string> <pattern> search <string> -false- */
+private int
+zsearch(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    uint size = r_size(op);
+    uint count;
+    byte *pat;
+    byte *ptr;
+    byte ch;
+
+    check_read_type(*op1, t_string);
+    check_read_type(*op, t_string);
+    if (size > r_size(op1)) {	/* can't match */
+	make_false(op);
+	return 0;
+    }
+    count = r_size(op1) - size;
+    ptr = op1->value.bytes;
+    if (size == 0)
+	goto found;
+    pat = op->value.bytes;
+    ch = pat[0];
+    do {
+	if (*ptr == ch && (size == 1 || !memcmp(ptr, pat, size)))
+	    goto found;
+	ptr++;
+    }
+    while (count--);
+    /* No match */
+    make_false(op);
+    return 0;
+found:
+    op->tas.type_attrs = op1->tas.type_attrs;
+    op->value.bytes = ptr;
+    r_set_size(op, size);
+    push(2);
+    op[-1] = *op1;
+    r_set_size(op - 1, ptr - op[-1].value.bytes);
+    op1->value.bytes = ptr + size;
+    r_set_size(op1, count);
+    make_true(op);
+    return 0;
+}
+
+/* <obj> <pattern> .stringmatch <bool> */
+private int
+zstringmatch(register os_ptr op)
+{
+    os_ptr op1 = op - 1;
+    bool result;
+
+    check_read_type(*op, t_string);
+    switch (r_type(op1)) {
+	case t_string:
+	    check_read(*op1);
+	    goto cmp;
+	case t_name:
+	    name_string_ref(op1, op1);	/* can't fail */
+cmp:
+	    result = string_match(op1->value.const_bytes, r_size(op1),
+				  op->value.const_bytes, r_size(op),
+				  NULL);
+	    break;
+	default:
+	    result = (r_size(op) == 1 && *op->value.bytes == '*');
+    }
+    make_bool(op1, result);
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zstring_op_defs[] =
+{
+    {"2anchorsearch", zanchorsearch},
+    {"1.namestring", znamestring},
+    {"2search", zsearch},
+    {"1string", zstring},
+    {"2.stringmatch", zstringmatch},
+    op_def_end(0)
+};
diff --git a/pstoraster/zsysvm.c b/pstoraster/zsysvm.c
new file mode 100644
index 000000000..f55d14f12
--- /dev/null
+++ b/pstoraster/zsysvm.c
@@ -0,0 +1,164 @@
+/* Copyright (C) 1994, 1995 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* System VM and VM-specific operators */
+#include "ghost.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "ivmspace.h"
+#include "store.h"		/* for make_bool */
+
+/*
+ * These operators allow creation of objects in a specific VM --
+ * local, global, or system.  System VM, which is not a standard PostScript
+ * facility, is not subject to save and restore; objects in system VM
+ * may only refer to simple objects or to other (composite) objects
+ * in system VM.
+ */
+
+/* Execute an operator with a specific VM selected as current VM. */
+private int
+specific_vm_op(os_ptr op, int (*opproc)(P1(os_ptr)), uint space)
+{
+    uint save_space = icurrent_space;
+    int code;
+
+    ialloc_set_space(idmemory, space);
+    code = (*opproc)(op);
+    ialloc_set_space(idmemory, save_space);
+    return code;
+}
+
+/* <int> .globalvmarray <array> */
+private int
+zglobalvmarray(os_ptr op)
+{
+    return specific_vm_op(op, zarray, avm_global);
+}
+
+/* <int> .globalvmdict <dict> */
+private int
+zglobalvmdict(os_ptr op)
+{
+    return specific_vm_op(op, zdict, avm_global);
+}
+
+/* <obj_0> ... <obj_n-1> <n> .globalvmpackedarray <packedarray> */
+private int
+zglobalvmpackedarray(os_ptr op)
+{
+    return specific_vm_op(op, zpackedarray, avm_global);
+}
+
+/* <int> .globalvmstring <string> */
+private int
+zglobalvmstring(os_ptr op)
+{
+    return specific_vm_op(op, zstring, avm_global);
+}
+
+/* <int> .localvmarray <array> */
+private int
+zlocalvmarray(os_ptr op)
+{
+    return specific_vm_op(op, zarray, avm_local);
+}
+
+/* <int> .localvmdict <dict> */
+private int
+zlocalvmdict(os_ptr op)
+{
+    return specific_vm_op(op, zdict, avm_local);
+}
+
+/* <obj_0> ... <obj_n-1> <n> .localvmpackedarray <packedarray> */
+private int
+zlocalvmpackedarray(os_ptr op)
+{
+    return specific_vm_op(op, zpackedarray, avm_local);
+}
+
+/* <int> .localvmstring <string> */
+private int
+zlocalvmstring(os_ptr op)
+{
+    return specific_vm_op(op, zstring, avm_local);
+}
+
+/* <int> .systemvmarray <array> */
+private int
+zsystemvmarray(os_ptr op)
+{
+    return specific_vm_op(op, zarray, avm_system);
+}
+
+/* <int> .systemvmdict <dict> */
+private int
+zsystemvmdict(os_ptr op)
+{
+    return specific_vm_op(op, zdict, avm_system);
+}
+
+/* <obj_0> ... <obj_n-1> <n> .systemvmpackedarray <packedarray> */
+private int
+zsystemvmpackedarray(os_ptr op)
+{
+    return specific_vm_op(op, zpackedarray, avm_system);
+}
+
+/* <int> .systemvmstring <string> */
+private int
+zsystemvmstring(os_ptr op)
+{
+    return specific_vm_op(op, zstring, avm_system);
+}
+
+/* <any> .systemvmcheck <bool> */
+private int
+zsystemvmcheck(register os_ptr op)
+{
+    make_bool(op, (r_space(op) == avm_system ? true : false));
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zsysvm_op_defs[] =
+{
+    {"1.globalvmarray", zglobalvmarray},
+    {"1.globalvmdict", zglobalvmdict},
+    {"1.globalvmpackedarray", zglobalvmpackedarray},
+    {"1.globalvmstring", zglobalvmstring},
+    {"1.localvmarray", zlocalvmarray},
+    {"1.localvmdict", zlocalvmdict},
+    {"1.localvmpackedarray", zlocalvmpackedarray},
+    {"1.localvmstring", zlocalvmstring},
+    {"1.systemvmarray", zsystemvmarray},
+    {"1.systemvmcheck", zsystemvmcheck},
+    {"1.systemvmdict", zsystemvmdict},
+    {"1.systemvmpackedarray", zsystemvmpackedarray},
+    {"1.systemvmstring", zsystemvmstring},
+    op_def_end(0)
+};
diff --git a/pstoraster/ztoken.c b/pstoraster/ztoken.c
new file mode 100644
index 000000000..fe01e18ef
--- /dev/null
+++ b/pstoraster/ztoken.c
@@ -0,0 +1,241 @@
+/* Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Token reading operators */
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"
+#include "gsstruct.h"		/* for iscan.h */
+#include "stream.h"
+#include "files.h"
+#include "store.h"
+#include "strimpl.h"		/* for sfilter.h */
+#include "sfilter.h"		/* for iscan.h */
+#include "iscan.h"
+
+/* <file> token <obj> -true- */
+/* <string> token <post> <obj> -true- */
+/* <string|file> token -false- */
+private int ztoken_continue(P1(os_ptr));
+private int token_continue(P4(os_ptr, stream *, scanner_state *, bool));
+int
+ztoken(register os_ptr op)
+{
+    switch (r_type(op)) {
+	default:
+	    return_op_typecheck(op);
+	case t_file: {
+	    stream *s;
+	    scanner_state state;
+
+	    check_read_file(s, op);
+	    check_ostack(1);
+	    scanner_state_init(&state, false);
+	    return token_continue(op, s, &state, true);
+	}
+	case t_string: {
+	    ref token;
+	    int code = scan_string_token(op, &token);
+
+	    switch (code) {
+	    case scan_EOF:	/* no tokens */
+		make_false(op);
+		return 0;
+	    default:
+		if (code < 0)
+		    return code;
+	    }
+	    push(2);
+	    op[-1] = token;
+	    make_true(op);
+	    return 0;
+	}
+    }
+}
+/* Continue reading a token after an interrupt or callout. */
+/* *op is the scanner state; op[-1] is the file. */
+private int
+ztoken_continue(os_ptr op)
+{
+    stream *s;
+    scanner_state *pstate;
+
+    check_read_file(s, op - 1);
+    check_stype(*op, st_scanner_state);
+    pstate = r_ptr(op, scanner_state);
+    pop(1);
+    return token_continue(osp, s, pstate, false);
+}
+/* Common code for token reading. */
+private int
+token_continue(os_ptr op, stream * s, scanner_state * pstate, bool save)
+{
+    int code;
+    ref token;
+
+    /* Note that scan_token may change osp! */
+    /* Also, we must temporarily remove the file from the o-stack */
+    /* when calling scan_token, in case we are scanning a procedure. */
+    ref fref;
+
+    ref_assign(&fref, op);
+again:
+    pop(1);
+    code = scan_token(s, &token, pstate);
+    op = osp;
+    switch (code) {
+	default:		/* error */
+	    push(1);
+	    ref_assign(op, &fref);
+	    break;
+	case scan_BOS:
+	    code = 0;
+	case 0:		/* read a token */
+	    push(2);
+	    ref_assign(op - 1, &token);
+	    make_true(op);
+	    break;
+	case scan_EOF:		/* no tokens */
+	    push(1);
+	    make_false(op);
+	    code = 0;
+	    break;
+	case scan_Refill:	/* need more data */
+	    push(1);
+	    ref_assign(op, &fref);
+	    code = scan_handle_refill(op, pstate, save, false,
+				      ztoken_continue);
+	    switch (code) {
+		case 0:	/* state is not copied to the heap */
+		    goto again;
+		case o_push_estack:
+		    return code;
+	    }
+	    break;		/* error */
+    }
+    if (code <= 0 && !save) {	/* Deallocate the scanner state record. */
+	ifree_object(pstate, "token_continue");
+    }
+    return code;
+}
+
+/* <file> .tokenexec - */
+/* Read a token and do what the interpreter would do with it. */
+/* This is different from token + exec because literal procedures */
+/* are not executed (although binary object sequences ARE executed). */
+int ztokenexec_continue(P1(os_ptr));	/* export for interpreter */
+private int tokenexec_continue(P4(os_ptr, stream *, scanner_state *, bool));
+int
+ztokenexec(register os_ptr op)
+{
+    stream *s;
+    scanner_state state;
+
+    check_read_file(s, op);
+    check_estack(1);
+    scanner_state_init(&state, false);
+    return tokenexec_continue(op, s, &state, true);
+}
+/* Continue reading a token for execution after an interrupt or callout. */
+/* *op is the scanner state; op[-1] is the file. */
+/* We export this because this is how the interpreter handles a */
+/* scan_Refill for an executable file. */
+int
+ztokenexec_continue(os_ptr op)
+{
+    stream *s;
+    scanner_state *pstate;
+
+    check_read_file(s, op - 1);
+    check_stype(*op, st_scanner_state);
+    pstate = r_ptr(op, scanner_state);
+    pop(1);
+    return tokenexec_continue(osp, s, pstate, false);
+}
+/* Common code for token reading + execution. */
+private int
+tokenexec_continue(os_ptr op, stream * s, scanner_state * pstate, bool save)
+{
+    int code;
+
+    /* Note that scan_token may change osp! */
+    /* Also, we must temporarily remove the file from the o-stack */
+    /* when calling scan_token, in case we are scanning a procedure. */
+    ref fref;
+
+    ref_assign(&fref, op);
+    pop(1);
+again:
+    code = scan_token(s, (ref *) (esp + 1), pstate);
+    op = osp;
+    switch (code) {
+	case 0:
+	    if (r_is_proc(esp + 1)) {	/* Treat procedure as a literal. */
+		push(1);
+		ref_assign(op, esp + 1);
+		code = 0;
+		break;
+	    }
+	    /* falls through */
+	case scan_BOS:
+	    ++esp;
+	    code = o_push_estack;
+	    break;
+	case scan_EOF:		/* no tokens */
+	    code = 0;
+	    break;
+	case scan_Refill:	/* need more data */
+	    code = scan_handle_refill(&fref, pstate, save, true,
+				      ztokenexec_continue);
+	    switch (code) {
+		case 0:	/* state is not copied to the heap */
+		    goto again;
+		case o_push_estack:
+		    return code;
+	    }
+	    /* falls through */
+	default:		/* error */
+	    break;
+    }
+    if (code < 0) {		/* Push the operand back on the stack. */
+	push(1);
+	ref_assign(op, &fref);
+    }
+    if (!save) {		/* Deallocate the scanner state record. */
+	ifree_object(pstate, "token_continue");
+    }
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def ztoken_op_defs[] =
+{
+    {"1token", ztoken},
+    {"1.tokenexec", ztokenexec},
+		/* Internal operators */
+    {"2%ztokenexec_continue", ztokenexec_continue},
+    op_def_end(0)
+};
diff --git a/pstoraster/ztrap.c b/pstoraster/ztrap.c
new file mode 100644
index 000000000..8cb77447e
--- /dev/null
+++ b/pstoraster/ztrap.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Operators for setting trapping parameters and zones */
+#include "ghost.h"
+#include "oper.h"
+#include "ialloc.h"
+#include "iparam.h"
+#include "gstrap.h"
+
+/* Define the current trap parameters. */
+/****** THIS IS BOGUS ******/
+gs_trap_params_t i_trap_params;
+
+/* <dict> .settrapparams - */
+private int
+zsettrapparams(os_ptr op)
+{
+    dict_param_list list;
+    int code;
+
+    check_type(*op, t_dictionary);
+    code = dict_param_list_read(&list, op, NULL, false);
+    if (code < 0)
+	return code;
+    code = gs_settrapparams(&i_trap_params, (gs_param_list *) & list);
+    iparam_list_release(&list);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* - settrapzone - */
+private int
+zsettrapzone(os_ptr op)
+{
+/****** NYI ******/
+    return_error(e_undefined);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def ztrap_op_defs[] =
+{
+    op_def_begin_ll3(),
+    {"1.settrapparams", zsettrapparams},
+    {"0settrapzone", zsettrapzone},
+    op_def_end(0)
+};
diff --git a/pstoraster/ztype.c b/pstoraster/ztype.c
new file mode 100644
index 000000000..716daee0f
--- /dev/null
+++ b/pstoraster/ztype.c
@@ -0,0 +1,510 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Type, attribute, and conversion operators */
+#include "math_.h"
+#include "memory_.h"
+#include "string_.h"
+#include "gsexit.h"
+#include "ghost.h"
+#include "oper.h"
+#include "imemory.h"		/* for register_ref_root */
+#include "idict.h"
+#include "iname.h"
+#include "stream.h"		/* for iscan.h */
+#include "strimpl.h"		/* for sfilter.h for picky compilers */
+#include "sfilter.h"		/* ditto */
+#include "iscan.h"
+#include "iutil.h"
+#include "dstack.h"		/* for dict_set_top */
+#include "store.h"
+
+/* Forward references */
+private int access_check(P3(os_ptr, int, bool));
+private int convert_to_string(P2(os_ptr, os_ptr));
+
+/*
+ * Max and min integer values expressed as reals.
+ * Note that these are biased by 1 to allow for truncation.
+ * They should be #defines rather than static consts, but
+ * several of the SCO Unix compilers apparently can't handle this.
+ * On the other hand, the DEC compiler can't handle casts in
+ * constant expressions, so we can't use min_long and max_long.
+ * What a nuisance!
+ */
+#define ALT_MIN_LONG (-1L << (arch_sizeof_long * 8 - 1))
+#define ALT_MAX_LONG (~(ALT_MIN_LONG))
+private const double min_int_real = (ALT_MIN_LONG * 1.0 - 1);
+private const double max_int_real = (ALT_MAX_LONG * 1.0 + 1);
+
+#define REAL_CAN_BE_INT(v)\
+  ((v) > min_int_real && (v) < max_int_real)
+
+/* Get the pointer to the access flags for a ref. */
+#define ACCESS_REF(opp)\
+  (r_has_type(opp, t_dictionary) ? dict_access_ref(opp) : opp)
+
+/* Initialize the table of type names. */
+private void
+ztype_init(void)
+{
+    static const char *const tnames[] = { type_name_strings };
+    ref type_names;
+    int i;
+
+    ialloc_ref_array(&type_names, a_readonly, t_next_index,
+		     "type names");
+    for (i = 0; i < t_next_index; i++) {
+	if (i >= countof(tnames) || tnames[i] == 0)
+	    make_null(&type_names.value.refs[i]);
+	else {
+	    name_enter_string(tnames[i], &type_names.value.refs[i]);
+	    r_set_attrs(&type_names.value.refs[i], a_executable);
+	}
+    }
+    if (dict_put_string(systemdict, "typenames", &type_names) < 0) {
+	lprintf("Entering typenames in systemdict failed.\n");
+	gs_exit(1);
+    }
+}
+
+/* <obj> <typenames> .type <name> */
+private int
+ztype(register os_ptr op)
+{
+    ref tnref;
+    int code = array_get(op, (long)r_btype(op - 1), &tnref);
+
+    if (code < 0)
+	return code;
+    if (!r_has_type(&tnref, t_name)) {
+	/* Must be either a stack underflow or a t_[a]struct. */
+	check_op(2);
+	{			/* Get the type name from the structure. */
+	    const char *sname =
+		gs_struct_type_name_string(gs_object_type(imemory,
+							  op[-1].value.pstruct));
+	    int code = name_ref((const byte *)sname, strlen(sname),
+				(ref *) (op - 1), 0);
+
+	    if (code < 0)
+		return code;
+	}
+	r_set_attrs(op - 1, a_executable);
+    } else {
+	ref_assign(op - 1, &tnref);
+    }
+    pop(1);
+    return 0;
+}
+
+/* <obj> cvlit <obj> */
+private int
+zcvlit(register os_ptr op)
+{
+    ref *aop;
+
+    check_op(1);
+    aop = ACCESS_REF(op);
+    r_clear_attrs(aop, a_executable);
+    return 0;
+}
+
+/* <obj> cvx <obj> */
+int
+zcvx(register os_ptr op)
+{
+    ref *aop;
+    uint opidx;
+
+    check_op(1);
+    /*
+     * If the object is an internal operator, we can't allow it to
+     * exist in executable form anywhere outside the e-stack.
+     */
+    if (r_has_type(op, t_operator) &&
+	((opidx = op_index(op)) == 0 ||
+	 op_def_is_internal(op_def_table[opidx]))
+	)
+	return_error(e_rangecheck);
+    aop = ACCESS_REF(op);
+    r_set_attrs(aop, a_executable);
+    return 0;
+}
+
+/* <obj> xcheck <bool> */
+private int
+zxcheck(register os_ptr op)
+{
+    check_op(1);
+    make_bool(op, (r_has_attr(ACCESS_REF(op), a_executable) ? 1 : 0));
+    return 0;
+}
+
+/* <obj:array|packedarray|file|string> executeonly <obj> */
+private int
+zexecuteonly(register os_ptr op)
+{
+    check_op(1);
+    if (r_has_type(op, t_dictionary))
+	return_error(e_typecheck);
+    return access_check(op, a_execute, true);
+}
+
+/* <obj:array|packedarray|dict|file|string> noaccess <obj> */
+private int
+znoaccess(register os_ptr op)
+{
+    check_op(1);
+    if (r_has_type(op, t_dictionary)) {
+	/*
+	 * Setting noaccess on a read-only dictionary is an attempt to
+	 * change its value, which is forbidden (this is a subtle
+	 * point confirmed with Adobe).  Also, don't allow removing
+	 * read access to permanent dictionaries.
+	 */
+	if (dict_is_permanent_on_dstack(op) ||
+	    !r_has_attr(dict_access_ref(op), a_write)
+	    )
+	    return_error(e_invalidaccess);
+    }
+    return access_check(op, 0, true);
+}
+
+/* <obj:array|packedarray|dict|file|string> readonly <obj> */
+int
+zreadonly(register os_ptr op)
+{
+    return access_check(op, a_readonly, true);
+}
+
+/* <array|packedarray|dict|file|string> rcheck <bool> */
+private int
+zrcheck(register os_ptr op)
+{
+    int code = access_check(op, a_read, false);
+
+    if (code >= 0)
+	make_bool(op, code), code = 0;
+    return code;
+}
+
+/* <array|packedarray|dict|file|string> wcheck <bool> */
+private int
+zwcheck(register os_ptr op)
+{
+    int code = access_check(op, a_write, false);
+
+    if (code >= 0)
+	make_bool(op, code), code = 0;
+    return code;
+}
+
+/* <num> cvi <int> */
+/* <string> cvi <int> */
+private int
+zcvi(register os_ptr op)
+{
+    float fval;
+
+    switch (r_type(op)) {
+	case t_integer:
+	    return 0;
+	case t_real:
+	    fval = op->value.realval;
+	    break;
+	default:
+	    return_op_typecheck(op);
+	case t_string:
+	    {
+		ref str, token;
+		int code;
+
+		ref_assign(&str, op);
+		code = scan_string_token(&str, &token);
+		switch (code) {
+		    case scan_EOF:	/* no tokens */
+		    case scan_BOS:	/* not allowed */
+			code = gs_note_error(e_syntaxerror);
+		    default:
+			if (code < 0)
+			    return code;
+		}
+		switch (r_type(&token)) {
+		    case t_integer:
+			*op = token;
+			return 0;
+		    case t_real:
+			fval = token.value.realval;
+			break;
+		    default:
+			return_error(e_typecheck);
+		}
+	    }
+    }
+    if (!REAL_CAN_BE_INT(fval))
+	return_error(e_rangecheck);
+    make_int(op, (long)fval);	/* truncates towards 0 */
+    return 0;
+}
+
+/* <string> cvn <name> */
+private int
+zcvn(register os_ptr op)
+{
+    check_read_type(*op, t_string);
+    return name_from_string(op, op);
+}
+
+/* <num> cvr <real> */
+/* <string> cvr <real> */
+private int
+zcvr(register os_ptr op)
+{
+    switch (r_type(op)) {
+	case t_integer:
+	    make_real(op, op->value.intval);
+	case t_real:
+	    return 0;
+	default:
+	    return_op_typecheck(op);
+	case t_string:
+	    {
+		ref str, token;
+		int code;
+
+		ref_assign(&str, op);
+		code = scan_string_token(&str, &token);
+		switch (code) {
+		    case scan_EOF:	/* no tokens */
+		    case scan_BOS:	/* not allowed */
+			code = gs_note_error(e_syntaxerror);
+		    default:
+			if (code < 0)
+			    return code;
+		}
+		switch (r_type(&token)) {
+		    case t_integer:
+			make_real(op, token.value.intval);
+			return 0;
+		    case t_real:
+			*op = token;
+			return 0;
+		    default:
+			return_error(e_typecheck);
+		}
+	    }
+    }
+}
+
+/* <num> <radix_int> <string> cvrs <substring> */
+private int
+zcvrs(register os_ptr op)
+{
+    int radix;
+
+    check_type(op[-1], t_integer);
+    if (op[-1].value.intval < 2 || op[-1].value.intval > 36)
+	return_error(e_rangecheck);
+    radix = op[-1].value.intval;
+    check_write_type(*op, t_string);
+    if (radix == 10) {
+	switch (r_type(op - 2)) {
+	    case t_integer:
+	    case t_real:
+		{
+		    int code = convert_to_string(op - 2, op);
+
+		    if (code < 0)
+			return code;
+		    pop(2);
+		    return 0;
+		}
+	    default:
+		return_op_typecheck(op - 2);
+	}
+    } else {
+	ulong ival;
+	byte digits[sizeof(ulong) * 8];
+	byte *endp = &digits[countof(digits)];
+	byte *dp = endp;
+
+	switch (r_type(op - 2)) {
+	    case t_integer:
+		ival = (ulong) op[-2].value.intval;
+		break;
+	    case t_real:
+		{
+		    float fval = op[-2].value.realval;
+
+		    if (!REAL_CAN_BE_INT(fval))
+			return_error(e_rangecheck);
+		    ival = (ulong) (long)fval;
+		} break;
+	    default:
+		return_op_typecheck(op - 2);
+	}
+	do {
+	    int dit = ival % radix;
+
+	    *--dp = dit + (dit < 10 ? '0' : ('A' - 10));
+	    ival /= radix;
+	}
+	while (ival);
+	if (endp - dp > r_size(op))
+	    return_error(e_rangecheck);
+	memcpy(op->value.bytes, dp, (uint) (endp - dp));
+	r_set_size(op, endp - dp);
+    }
+    op[-2] = *op;
+    pop(2);
+    return 0;
+}
+
+/* <any> <string> cvs <substring> */
+private int
+zcvs(register os_ptr op)
+{
+    int code;
+
+    check_op(2);
+    check_write_type(*op, t_string);
+    code = convert_to_string(op - 1, op);
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def ztype_op_defs[] =
+{
+    {"1cvi", zcvi},
+    {"1cvlit", zcvlit},
+    {"1cvn", zcvn},
+    {"1cvr", zcvr},
+    {"3cvrs", zcvrs},
+    {"2cvs", zcvs},
+    {"1cvx", zcvx},
+    {"1executeonly", zexecuteonly},
+    {"1noaccess", znoaccess},
+    {"1rcheck", zrcheck},
+    {"1readonly", zreadonly},
+    {"2.type", ztype},
+    {"1wcheck", zwcheck},
+    {"1xcheck", zxcheck},
+    op_def_end(ztype_init)
+};
+
+/* ------ Internal routines ------ */
+
+/* Test or modify the access of an object. */
+/* If modify = true, restrict to the selected access and return 0; */
+/* if modify = false, do not change the access, and return 1 */
+/* if the object had the access. */
+/* Return an error code if the object is not of appropriate type, */
+/* or if the object did not have the access already when modify=1. */
+private int
+access_check(os_ptr op,
+	     int access,	/* mask for attrs */
+	     bool modify)	/* if true, reduce access */
+{
+    ref *aop;
+
+    switch (r_type(op)) {
+	case t_dictionary:
+	    aop = dict_access_ref(op);
+	    if (modify) {
+		if (!r_has_attrs(aop, access))
+		    return_error(e_invalidaccess);
+		ref_save(op, aop, "access_check(modify)");
+		r_clear_attrs(aop, a_all);
+		r_set_attrs(aop, access);
+		dict_set_top();
+		return 0;
+	    }
+	    break;
+	case t_array:
+	case t_file:
+	case t_string:
+	case t_mixedarray:
+	case t_shortarray:
+	case t_astruct:
+	case t_device:;
+	    if (modify) {
+		if (!r_has_attrs(op, access))
+		    return_error(e_invalidaccess);
+		r_clear_attrs(op, a_all);
+		r_set_attrs(op, access);
+		return 0;
+	    }
+	    aop = op;
+	    break;
+	default:
+	    return_op_typecheck(op);
+    }
+    return (r_has_attrs(aop, access) ? 1 : 0);
+}
+
+/* Do all the work of cvs.  The destination has been checked, but not */
+/* the source.  This is a separate procedure so that */
+/* cvrs can use it when the radix is 10. */
+private int
+convert_to_string(os_ptr op1, os_ptr op)
+{
+    uint len;
+    const byte *pstr = 0;
+    int code = obj_cvs(op1, op->value.bytes, r_size(op), &len, &pstr);
+
+    if (code < 0) {
+	/*
+	 * Some common downloaded error handlers assume that
+	 * operator names don't exceed a certain fixed size.
+	 * To work around this bit of bad design, we implement
+	 * a special hack here: if we got a rangecheck, and
+	 * the object is an operator whose name begins with
+	 * %, ., or @, we just truncate the name.
+	 */
+	if (code == e_rangecheck)
+	    switch (r_btype(op1)) {
+		case t_oparray:
+		case t_operator:
+		    if (pstr != 0)
+			switch (*pstr) {
+			    case '%':
+			    case '.':
+			    case '@':
+				len = r_size(op);
+				memcpy(op->value.bytes, pstr, len);
+				goto ok;
+			}
+	    }
+	return code;
+    }
+ok:
+    *op1 = *op;
+    r_set_size(op1, len);
+    return 0;
+}
diff --git a/pstoraster/zupath.c b/pstoraster/zupath.c
new file mode 100644
index 000000000..e05fe6dd3
--- /dev/null
+++ b/pstoraster/zupath.c
@@ -0,0 +1,673 @@
+/* Copyright (C) 1990, 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Operators related to user paths */
+#include "ghost.h"
+#include "oper.h"
+#include "idict.h"
+#include "dstack.h"
+#include "igstate.h"
+#include "iname.h"
+#include "iutil.h"
+#include "store.h"
+#include "stream.h"
+#include "ibnum.h"
+#include "gsmatrix.h"
+#include "gsstate.h"
+#include "gscoord.h"
+#include "gspaint.h"
+#include "gxfixed.h"
+#include "gxdevice.h"
+#include "gspath.h"
+#include "gzpath.h"		/* for saving path */
+#include "gzstate.h"		/* for accessing path */
+
+/* Imported data */
+extern const gx_device gs_hit_device;
+extern const int gs_hit_detected;
+
+/* Forward references */
+private int upath_append(P2(os_ptr, os_ptr));
+private int upath_stroke(P2(os_ptr, gs_matrix *));
+
+/* ---------------- Insideness testing ---------------- */
+
+/* Forward references */
+private int in_test(P2(os_ptr, int (*)(P1(gs_state *))));
+private int in_path(P3(os_ptr, os_ptr, gx_device *));
+private int in_path_result(P3(os_ptr, int, int));
+private int in_utest(P2(os_ptr, int (*)(P1(gs_state *))));
+private int in_upath(P2(os_ptr, gx_device *));
+private int in_upath_result(P3(os_ptr, int, int));
+
+/* <x> <y> ineofill <bool> */
+/* <userpath> ineofill <bool> */
+private int
+zineofill(os_ptr op)
+{
+    return in_test(op, gs_eofill);
+}
+
+/* <x> <y> infill <bool> */
+/* <userpath> infill <bool> */
+private int
+zinfill(os_ptr op)
+{
+    return in_test(op, gs_fill);
+}
+
+/* <x> <y> instroke <bool> */
+/* <userpath> instroke <bool> */
+private int
+zinstroke(os_ptr op)
+{
+    return in_test(op, gs_stroke);
+}
+
+/* <x> <y> <userpath> inueofill <bool> */
+/* <userpath1> <userpath2> inueofill <bool> */
+private int
+zinueofill(os_ptr op)
+{
+    return in_utest(op, gs_eofill);
+}
+
+/* <x> <y> <userpath> inufill <bool> */
+/* <userpath1> <userpath2> inufill <bool> */
+private int
+zinufill(os_ptr op)
+{
+    return in_utest(op, gs_fill);
+}
+
+/* <x> <y> <userpath> inustroke <bool> */
+/* <x> <y> <userpath> <matrix> inustroke <bool> */
+/* <userpath1> <userpath2> inustroke <bool> */
+/* <userpath1> <userpath2> <matrix> inustroke <bool> */
+private int
+zinustroke(os_ptr op)
+{	/* This is different because of the optional matrix operand. */
+    int code = gs_gsave(igs);
+    int spop, npop;
+    gs_matrix mat;
+    gx_device hdev;
+
+    if (code < 0)
+	return code;
+    if ((spop = upath_stroke(op, &mat)) < 0) {
+	gs_grestore(igs);
+	return spop;
+    }
+    if ((npop = in_path(op - spop, op, &hdev)) < 0) {
+	gs_grestore(igs);
+	return npop;
+    }
+    if (npop > 1)		/* matrix was supplied */
+	code = gs_concat(igs, &mat);
+    if (code >= 0)
+	code = gs_stroke(igs);
+    return in_upath_result(op, npop + spop, code);
+}
+
+/* ------ Internal routines ------ */
+
+/* Do the work of the non-user-path insideness operators. */
+private int
+in_test(os_ptr op, int (*paintproc)(P1(gs_state *)))
+{
+    gx_device hdev;
+    int npop = in_path(op, op, &hdev);
+    int code;
+
+    if (npop < 0)
+	return npop;
+    code = (*paintproc)(igs);
+    return in_path_result(op, npop, code);
+}
+
+/* Set up a clipping path and device for insideness testing. */
+private int
+in_path(os_ptr oppath, os_ptr op, gx_device * phdev)
+{
+    int code = gs_gsave(igs);
+    int npop;
+    double uxy[2];
+
+    if (code < 0)
+	return code;
+    code = num_params(oppath, 2, uxy);
+    if (code >= 0) {		/* Aperture is a single pixel. */
+	gs_point dxy;
+	gs_fixed_rect fr;
+
+	gs_transform(igs, uxy[0], uxy[1], &dxy);
+	fr.p.x = fixed_floor(float2fixed(dxy.x));
+	fr.p.y = fixed_floor(float2fixed(dxy.y));
+	fr.q.x = fr.p.x + fixed_1;
+	fr.q.y = fr.p.y + fixed_1;
+	code = gx_clip_to_rectangle(igs, &fr);
+	npop = 2;
+    } else {			/* Aperture is a user path. */
+	/* We have to set the clipping path without disturbing */
+	/* the current path. */
+	gx_path *ipath = igs->path;
+	gx_path save;
+
+	gx_path_init_local(&save, imemory);
+	gx_path_assign_preserve(&save, ipath);
+	gs_newpath(igs);
+	code = upath_append(oppath, op);
+	if (code >= 0)
+	    code = gx_clip_to_path(igs);
+	gx_path_assign_free(igs->path, &save);
+	npop = 1;
+    }
+    if (code < 0) {
+	gs_grestore(igs);
+	return code;
+    }
+    /* Install the hit detection device. */
+    gx_set_device_color_1(igs);
+    gx_device_init((gx_device *) phdev, (const gx_device *)&gs_hit_device,
+		   NULL, true);
+    phdev->width = phdev->height = max_int;
+    gx_device_fill_in_procs(phdev);
+    gx_set_device_only(igs, phdev);
+    return npop;
+}
+
+/* Finish an insideness test. */
+private int
+in_path_result(os_ptr op, int npop, int code)
+{
+    bool result;
+
+    gs_grestore(igs);		/* matches gsave in in_path */
+    if (code == gs_hit_detected)
+	result = true;
+    else if (code == 0)		/* completed painting without a hit */
+	result = false;
+    else			/* error */
+	return code;
+    npop--;
+    pop(npop);
+    op -= npop;
+    make_bool(op, result);
+    return 0;
+
+}
+
+/* Do the work of the user-path insideness operators. */
+private int
+in_utest(os_ptr op, int (*paintproc)(P1(gs_state *)))
+{
+    gx_device hdev;
+    int npop = in_upath(op, &hdev);
+    int code;
+
+    if (npop < 0)
+	return npop;
+    code = (*paintproc)(igs);
+    return in_upath_result(op, npop, code);
+}
+
+/* Set up a clipping path and device for insideness testing */
+/* with a user path. */
+private int
+in_upath(os_ptr op, gx_device * phdev)
+{
+    int code = gs_gsave(igs);
+    int npop;
+
+    if (code < 0)
+	return code;
+    if ((code = upath_append(op, op)) < 0 ||
+	(npop = in_path(op - 1, op, phdev)) < 0
+	) {
+	gs_grestore(igs);
+	return code;
+    }
+    return npop + 1;
+}
+
+/* Finish an insideness test with a user path. */
+private int
+in_upath_result(os_ptr op, int npop, int code)
+{
+    gs_grestore(igs);		/* matches gsave in in_upath */
+    return in_path_result(op, npop, code);
+}
+
+/* ---------------- User paths ---------------- */
+
+/* User path operator codes */
+typedef enum {
+    upath_op_setbbox = 0,
+    upath_op_moveto = 1,
+    upath_op_rmoveto = 2,
+    upath_op_lineto = 3,
+    upath_op_rlineto = 4,
+    upath_op_curveto = 5,
+    upath_op_rcurveto = 6,
+    upath_op_arc = 7,
+    upath_op_arcn = 8,
+    upath_op_arct = 9,
+    upath_op_closepath = 10,
+    upath_op_ucache = 11
+} upath_op;
+
+#define UPATH_MAX_OP 11
+#define UPATH_REPEAT 32
+static const byte up_nargs[UPATH_MAX_OP + 1] = {
+    4, 2, 2, 2, 2, 6, 6, 5, 5, 5, 0, 0
+};
+
+/* Declare operator procedures not declared in opextern.h. */
+int zsetbbox(P1(os_ptr));
+int zarc(P1(os_ptr));
+int zarcn(P1(os_ptr));
+int zarct(P1(os_ptr));
+private int zucache(P1(os_ptr));
+
+#undef zp
+static const op_proc_p up_ops[UPATH_MAX_OP + 1] = {
+    zsetbbox, zmoveto, zrmoveto, zlineto, zrlineto,
+    zcurveto, zrcurveto, zarc, zarcn, zarct,
+    zclosepath, zucache
+};
+
+/* - ucache - */
+private int
+zucache(os_ptr op)
+{				/* A no-op for now. */
+    return 0;
+}
+
+/* <userpath> uappend - */
+private int
+zuappend(register os_ptr op)
+{
+    int code = gs_gsave(igs);
+
+    if (code < 0)
+	return code;
+    if ((code = upath_append(op, op)) >= 0)
+	code = gs_upmergepath(igs);
+    gs_grestore(igs);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <userpath> ueofill - */
+private int
+zueofill(register os_ptr op)
+{
+    int code = gs_gsave(igs);
+
+    if (code < 0)
+	return code;
+    if ((code = upath_append(op, op)) >= 0)
+	code = gs_eofill(igs);
+    gs_grestore(igs);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <userpath> ufill - */
+private int
+zufill(register os_ptr op)
+{
+    int code = gs_gsave(igs);
+
+    if (code < 0)
+	return code;
+    if ((code = upath_append(op, op)) >= 0)
+	code = gs_fill(igs);
+    gs_grestore(igs);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* <userpath> ustroke - */
+/* <userpath> <matrix> ustroke - */
+private int
+zustroke(register os_ptr op)
+{
+    int code = gs_gsave(igs);
+    int npop;
+
+    if (code < 0)
+	return code;
+    if ((code = npop = upath_stroke(op, NULL)) >= 0)
+	code = gs_stroke(igs);
+    gs_grestore(igs);
+    if (code < 0)
+	return code;
+    pop(npop);
+    return 0;
+}
+
+/* <userpath> ustrokepath - */
+/* <userpath> <matrix> ustrokepath - */
+private int
+zustrokepath(register os_ptr op)
+{
+    gx_path save;
+    int code, npop;
+
+    /* Save and reset the path. */
+    gx_path_init_local(&save, imemory);
+    gx_path_assign_preserve(&save, igs->path);
+    if ((code = npop = upath_stroke(op, NULL)) < 0 ||
+	(code = gs_strokepath(igs)) < 0
+	) {
+	gx_path_assign_free(igs->path, &save);
+	return code;
+    }
+    gx_path_free(&save, "ustrokepath");
+    pop(npop);
+    return 0;
+}
+
+/* <with_ucache> upath <userpath> */
+/* We do all the work in a procedure that is also used to construct */
+/* the UnpaintedPath user path for ImageType 2 images. */
+int make_upath(P4(ref * rupath, gs_state * pgs, gx_path * ppath,
+		  bool with_ucache));
+private int
+zupath(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    return make_upath(op, igs, igs->path, op->value.boolval);
+}
+int
+make_upath(ref * rupath, gs_state * pgs, gx_path * ppath, bool with_ucache)
+{
+    int size = (with_ucache ? 6 : 5);
+    gs_path_enum penum;
+    int op;
+    ref *next;
+    int code;
+
+    /* Compute the size of the user path array. */
+    {
+	gs_fixed_point pts[3];
+
+	gx_path_enum_init(&penum, ppath);
+	while ((op = gx_path_enum_next(&penum, pts)) != 0) {
+	    switch (op) {
+		case gs_pe_moveto:
+		case gs_pe_lineto:
+		    size += 3;
+		    continue;
+		case gs_pe_curveto:
+		    size += 7;
+		    continue;
+		case gs_pe_closepath:
+		    size += 1;
+		    continue;
+		default:
+		    return_error(e_unregistered);
+	    }
+	}
+    }
+    code = ialloc_ref_array(rupath, a_all | a_executable, size,
+			    "make_upath");
+    if (code < 0)
+	return code;
+    /* Construct the path. */
+    next = rupath->value.refs;
+    if (with_ucache) {
+	if ((code = name_enter_string("ucache", next)) < 0)
+	    return code;
+	r_set_attrs(next, a_executable | l_new);
+	++next;
+    } {
+	gs_rect bbox;
+
+	gs_upathbbox(pgs, &bbox, true);
+	make_real_new(next, bbox.p.x);
+	make_real_new(next + 1, bbox.p.y);
+	make_real_new(next + 2, bbox.q.x);
+	make_real_new(next + 3, bbox.q.y);
+	next += 4;
+	if ((code = name_enter_string("setbbox", next)) < 0)
+	    return code;
+	r_set_attrs(next, a_executable | l_new);
+	++next;
+    }
+    {
+	gs_point pts[3];
+
+	/* Patch the path in the gstate to set up the enumerator. */
+	gx_path *save_path = pgs->path;
+
+	pgs->path = ppath;
+	gs_path_enum_copy_init(&penum, pgs, false);
+	pgs->path = save_path;
+	while ((op = gs_path_enum_next(&penum, pts)) != 0) {
+	    const char *opstr;
+
+	    switch (op) {
+		case gs_pe_moveto:
+		    opstr = "moveto";
+		    goto ml;
+		case gs_pe_lineto:
+		    opstr = "lineto";
+		  ml:make_real_new(next, pts[0].x);
+		    make_real_new(next + 1, pts[0].y);
+		    next += 2;
+		    break;
+		case gs_pe_curveto:
+		    opstr = "curveto";
+		    make_real_new(next, pts[0].x);
+		    make_real_new(next + 1, pts[0].y);
+		    make_real_new(next + 2, pts[1].x);
+		    make_real_new(next + 3, pts[1].y);
+		    make_real_new(next + 4, pts[2].x);
+		    make_real_new(next + 5, pts[2].y);
+		    next += 6;
+		    break;
+		case gs_pe_closepath:
+		    opstr = "closepath";
+		    break;
+		default:
+		    return_error(e_unregistered);
+	    }
+	    if ((code = name_enter_string(opstr, next)) < 0)
+		return code;
+	    r_set_attrs(next, a_executable);
+	    ++next;
+	}
+    }
+    return 0;
+}
+
+/* ------ Internal routines ------ */
+
+/* Append a user path to the current path. */
+private int
+upath_append(os_ptr oppath, os_ptr op)
+{
+    check_read(*oppath);
+    gs_newpath(igs);
+/****** ROUND tx AND ty ******/
+    if (r_has_type(oppath, t_array) && r_size(oppath) == 2 &&
+	r_has_type(oppath->value.refs + 1, t_string)
+	) {			/* 1st element is operators, 2nd is operands */
+	const ref *operands = oppath->value.refs;
+	int code, format;
+	int repcount = 1;
+	const byte *opp;
+	uint ocount, i = 0;
+
+	code = num_array_format(operands);
+	if (code < 0)
+	    return code;
+	format = code;
+	opp = oppath->value.refs[1].value.bytes;
+	ocount = r_size(&oppath->value.refs[1]);
+	while (ocount--) {
+	    byte opx = *opp++;
+
+	    if (opx > UPATH_REPEAT)
+		repcount = opx - UPATH_REPEAT;
+	    else if (opx > UPATH_MAX_OP)
+		return_error(e_rangecheck);
+	    else {		/* operator */
+		do {
+		    byte opargs = up_nargs[opx];
+
+		    while (opargs--) {
+			push(1);
+			code = num_array_get(operands, format, i++, op);
+			switch (code) {
+			    case t_integer:
+				r_set_type_attrs(op, t_integer, 0);
+				break;
+			    case t_real:
+				r_set_type_attrs(op, t_real, 0);
+				break;
+			    default:
+				return_error(e_typecheck);
+			}
+		    }
+		    code = (*up_ops[opx])(op);
+		    if (code < 0)
+			return code;
+		    op = osp;	/* resync */
+		}
+		while (--repcount);
+		repcount = 1;
+	    }
+	}
+    } else if (r_is_array(oppath)) {	/* Ordinary executable array. */
+	const ref *arp = oppath;
+	uint ocount = r_size(oppath);
+	long index = 0;
+	int argcount = 0;
+	int (*oproc)(P1(os_ptr));
+	int opx, code;
+
+	for (; index < ocount; index++) {
+	    ref rup;
+	    ref *defp;
+
+	    array_get(arp, index, &rup);
+	    switch (r_type(&rup)) {
+		case t_integer:
+		case t_real:
+		    argcount++;
+		    push(1);
+		    *op = rup;
+		    break;
+		case t_name:
+		    if (!r_has_attr(&rup, a_executable))
+			return_error(e_typecheck);
+		    if (dict_find(systemdict, &rup, &defp) <= 0)
+			return_error(e_undefined);
+		    if (r_btype(defp) != t_operator)
+			return_error(e_typecheck);
+		    goto xop;
+		case t_operator:
+		    defp = &rup;
+		  xop:if (!r_has_attr(defp, a_executable))
+			return_error(e_typecheck);
+		    oproc = real_opproc(defp);
+		    for (opx = 0; opx <= UPATH_MAX_OP; opx++)
+			if (oproc == up_ops[opx])
+			    break;
+		    if (opx > UPATH_MAX_OP || argcount != up_nargs[opx])
+			return_error(e_typecheck);
+		    code = (*oproc)(op);
+		    if (code < 0)
+			return code;
+		    op = osp;	/* resync ostack pointer */
+		    argcount = 0;
+		    break;
+		default:
+		    return_error(e_typecheck);
+	    }
+	}
+	if (argcount)
+	    return_error(e_typecheck);	/* leftover args */
+    } else
+	return_error(e_typecheck);
+    return 0;
+}
+
+/* Append a user path to the current path, and then apply or return */
+/* a transformation if one is supplied. */
+private int
+upath_stroke(os_ptr op, gs_matrix *pmat)
+{
+    int code, npop;
+    gs_matrix mat;
+
+    if ((code = read_matrix(op, &mat)) >= 0) {
+	if ((code = upath_append(op - 1, op)) >= 0) {
+	    if (pmat)
+		*pmat = mat;
+	    else
+		code = gs_concat(igs, &mat);
+	}
+	npop = 2;
+    } else {
+	if ((code = upath_append(op, op)) >= 0)
+	    if (pmat)
+		gs_make_identity(pmat);
+	npop = 1;
+    }
+    return (code < 0 ? code : npop);
+}
+
+/* ---------------- Initialization procedure ---------------- */
+
+const op_def zupath_l2_op_defs[] =
+{
+    op_def_begin_level2(),
+		/* Insideness testing */
+    {"1ineofill", zineofill},
+    {"1infill", zinfill},
+    {"1instroke", zinstroke},
+    {"2inueofill", zinueofill},
+    {"2inufill", zinufill},
+    {"2inustroke", zinustroke},
+		/* User paths */
+    {"1uappend", zuappend},
+    {"0ucache", zucache},
+    {"1ueofill", zueofill},
+    {"1ufill", zufill},
+    {"1upath", zupath},
+    {"1ustroke", zustroke},
+    {"1ustrokepath", zustrokepath},
+    op_def_end(0)
+};
diff --git a/pstoraster/zusparam.c b/pstoraster/zusparam.c
new file mode 100644
index 000000000..5cdbd13ca
--- /dev/null
+++ b/pstoraster/zusparam.c
@@ -0,0 +1,655 @@
+/* Copyright (C) 1996, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* User and system parameter operators */
+#include "memory_.h"
+#include "string_.h"
+#include "ghost.h"
+#include "oper.h"
+#include "gscdefs.h"
+#include "gsstruct.h"		/* for gxht.h */
+#include "gsfont.h"		/* for user params */
+#include "gxht.h"		/* for user params */
+#include "gsutil.h"
+#include "estack.h"
+#include "ialloc.h"		/* for imemory for status */
+#include "icontext.h"		/* for set_user_params prototype */
+#include "idict.h"
+#include "idparam.h"
+#include "iparam.h"
+#include "dstack.h"
+#include "iname.h"
+#include "iutil2.h"
+#include "store.h"
+
+/* The (global) font directory */
+extern gs_font_dir *ifont_dir;	/* in zfont.c */
+
+/* Import the GC parameters from zvmem2.c. */
+extern int set_vm_reclaim(P1(long));
+extern int set_vm_threshold(P1(long));
+
+/* Define an individual user or system parameter. */
+/* Eventually this will be made public. */
+#define param_def_common\
+    const char *pname
+typedef struct param_def_s {
+    param_def_common;
+} param_def_t;
+typedef struct long_param_def_s {
+    param_def_common;
+    long min_value, max_value;
+    long (*current)(P0());
+    int (*set)(P1(long));
+} long_param_def_t;
+
+#if arch_sizeof_long > arch_sizeof_int
+#  define MAX_UINT_PARAM max_uint
+#else
+#  define MAX_UINT_PARAM max_long
+#endif
+typedef struct bool_param_def_s {
+    param_def_common;
+    bool (*current)(P0());
+    int (*set)(P1(bool));
+} bool_param_def_t;
+typedef struct string_param_def_s {
+    param_def_common;
+    void (*current)(P1(gs_param_string *));
+    int (*set)(P1(gs_param_string *));
+} string_param_def_t;
+
+/* Define a parameter set (user or system). */
+typedef struct param_set_s {
+    const long_param_def_t *long_defs;
+    uint long_count;
+    const bool_param_def_t *bool_defs;
+    uint bool_count;
+    const string_param_def_t *string_defs;
+    uint string_count;
+} param_set;
+
+/* Forward references */
+private int setparams(P2(gs_param_list *, const param_set *));
+private int currentparams(P2(os_ptr, const param_set *));
+private int currentparam1(P2(os_ptr, const param_set *));
+
+/* ------ Passwords ------ */
+
+/* <string|int> .checkpassword <0|1|2> */
+private int
+zcheckpassword(register os_ptr op)
+{
+    ref params[2];
+    array_param_list list;
+    gs_param_list *const plist = (gs_param_list *)&list;
+    int result = 0;
+    int code = name_ref((const byte *)"Password", 8, &params[0], 0);
+    password pass;
+
+    if (code < 0)
+	return code;
+    params[1] = *op;
+    array_param_list_read(&list, params, 2, NULL, false);
+    if (dict_read_password(&pass, systemdict, "StartJobPassword") >= 0 &&
+	param_check_password(plist, &pass) == 0
+	)
+	result = 1;
+    if (dict_read_password(&pass, systemdict, "SystemParamsPassword") >= 0 &&
+	param_check_password(plist, &pass) == 0
+	)
+	result = 2;
+    iparam_list_release(&list);
+    make_int(op, result);
+    return 0;
+}
+
+/* ------ System parameters ------ */
+
+/* Integer values */
+private long
+current_BuildTime(void)
+{
+    return gs_buildtime;
+}
+private long
+current_MaxFontCache(void)
+{
+    return gs_currentcachesize(ifont_dir);
+}
+private int
+set_MaxFontCache(long val)
+{
+    return gs_setcachesize(ifont_dir,
+			   (uint)(val < 0 ? 0 : val > max_uint ? max_uint :
+				   val));
+}
+private long
+current_CurFontCache(void)
+{
+    uint cstat[7];
+
+    gs_cachestatus(ifont_dir, cstat);
+    return cstat[0];
+}
+private long
+current_MaxGlobalVM(void)
+{
+    gs_memory_gc_status_t stat;
+
+    gs_memory_gc_status(iimemory_global, &stat);
+    return stat.max_vm;
+}
+private int
+set_MaxGlobalVM(long val)
+{
+    gs_memory_gc_status_t stat;
+
+    gs_memory_gc_status(iimemory_global, &stat);
+    stat.max_vm = max(val, 0);
+    gs_memory_set_gc_status(iimemory_global, &stat);
+    return 0;
+}
+private long
+current_Revision(void)
+{
+    return gs_revision;
+}
+private const long_param_def_t system_long_params[] =
+{
+    {"BuildTime", min_long, max_long, current_BuildTime, NULL},
+{"MaxFontCache", 0, MAX_UINT_PARAM, current_MaxFontCache, set_MaxFontCache},
+    {"CurFontCache", 0, MAX_UINT_PARAM, current_CurFontCache, NULL},
+    {"Revision", min_long, max_long, current_Revision, NULL},
+    /* Extensions */
+    {"MaxGlobalVM", 0, max_long, current_MaxGlobalVM, set_MaxGlobalVM}
+};
+
+/* Boolean values */
+private bool
+current_ByteOrder(void)
+{
+    return !arch_is_big_endian;
+}
+private const bool_param_def_t system_bool_params[] =
+{
+    {"ByteOrder", current_ByteOrder, NULL}
+};
+
+/* String values */
+private void
+current_RealFormat(gs_param_string * pval)
+{
+#if arch_floats_are_IEEE
+    static const char *const rfs = "IEEE";
+
+#else
+    static const char *const rfs = "not IEEE";
+
+#endif
+
+    pval->data = (const byte *)rfs;
+    pval->size = strlen(rfs);
+    pval->persistent = true;
+}
+private const string_param_def_t system_string_params[] =
+{
+    {"RealFormat", current_RealFormat, NULL}
+};
+
+/* The system parameter set */
+private const param_set system_param_set =
+{
+    system_long_params, countof(system_long_params),
+    system_bool_params, countof(system_bool_params),
+    system_string_params, countof(system_string_params)
+};
+
+/* <dict> .setsystemparams - */
+private int
+zsetsystemparams(register os_ptr op)
+{
+    int code;
+    dict_param_list list;
+    gs_param_list *const plist = (gs_param_list *)&list;
+    password pass;
+
+    check_type(*op, t_dictionary);
+    code = dict_param_list_read(&list, op, NULL, false);
+    if (code < 0)
+	return code;
+    code = dict_read_password(&pass, systemdict, "SystemParamsPassword");
+    if (code < 0)
+	return code;
+    code = param_check_password(plist, &pass);
+    if (code != 0) {
+	if (code > 0)
+	    code = gs_note_error(e_invalidaccess);
+	goto out;
+    }
+    code = param_read_password(plist, "StartJobPassword", &pass);
+    switch (code) {
+	default:		/* invalid */
+	    goto out;
+	case 1:		/* missing */
+	    break;
+	case 0:
+	    code = dict_write_password(&pass, systemdict,
+				       "StartJobPassword");
+	    if (code < 0)
+		goto out;
+    }
+    code = param_read_password(plist, "SystemParamsPassword", &pass);
+    switch (code) {
+	default:		/* invalid */
+	    goto out;
+	case 1:		/* missing */
+	    break;
+	case 0:
+	    code = dict_write_password(&pass, systemdict,
+				       "SystemParamsPassword");
+	    if (code < 0)
+		goto out;
+    }
+    code = setparams(plist, &system_param_set);
+  out:
+    iparam_list_release(&list);
+    if (code < 0)
+	return code;
+    pop(1);
+    return 0;
+}
+
+/* - .currentsystemparams <name1> <value1> ... */
+private int
+zcurrentsystemparams(os_ptr op)
+{
+    return currentparams(op, &system_param_set);
+}
+
+/* <name> .getsystemparam <value> */
+private int
+zgetsystemparam(os_ptr op)
+{
+    return currentparam1(op, &system_param_set);
+}
+
+/* ------ User parameters ------ */
+
+/* Integer values */
+private long
+current_JobTimeout(void)
+{
+    return 0;
+}
+private int
+set_JobTimeout(long val)
+{
+    return 0;
+}
+private long
+current_MaxFontItem(void)
+{
+    return gs_currentcacheupper(ifont_dir);
+}
+private int
+set_MaxFontItem(long val)
+{
+    return gs_setcacheupper(ifont_dir, val);
+}
+private long
+current_MinFontCompress(void)
+{
+    return gs_currentcachelower(ifont_dir);
+}
+private int
+set_MinFontCompress(long val)
+{
+    return gs_setcachelower(ifont_dir, val);
+}
+private long
+current_MaxOpStack(void)
+{
+    return ref_stack_max_count(&o_stack);
+}
+private int
+set_MaxOpStack(long val)
+{
+    return ref_stack_set_max_count(&o_stack, val);
+}
+private long
+current_MaxDictStack(void)
+{
+    return ref_stack_max_count(&d_stack);
+}
+private int
+set_MaxDictStack(long val)
+{
+    return ref_stack_set_max_count(&d_stack, val);
+}
+private long
+current_MaxExecStack(void)
+{
+    return ref_stack_max_count(&e_stack);
+}
+private int
+set_MaxExecStack(long val)
+{
+    return ref_stack_set_max_count(&e_stack, val);
+}
+private long
+current_MaxLocalVM(void)
+{
+    gs_memory_gc_status_t stat;
+
+    gs_memory_gc_status(iimemory_local, &stat);
+    return stat.max_vm;
+}
+private int
+set_MaxLocalVM(long val)
+{
+    gs_memory_gc_status_t stat;
+
+    gs_memory_gc_status(iimemory_local, &stat);
+    stat.max_vm = max(val, 0);
+    gs_memory_set_gc_status(iimemory_local, &stat);
+    return 0;
+}
+private long
+current_VMReclaim(void)
+{
+    gs_memory_gc_status_t gstat, lstat;
+
+    gs_memory_gc_status(iimemory_global, &gstat);
+    gs_memory_gc_status(iimemory_local, &lstat);
+    return (!gstat.enabled ? -2 : !lstat.enabled ? -1 : 0);
+}
+private long
+current_VMThreshold(void)
+{
+    gs_memory_gc_status_t stat;
+
+    gs_memory_gc_status(iimemory_local, &stat);
+    return stat.vm_threshold;
+}
+private long
+current_WaitTimeout(void)
+{
+    return 0;
+}
+private int
+set_WaitTimeout(long val)
+{
+    return 0;
+}
+private long
+current_MinScreenLevels(void)
+{
+    return gs_currentminscreenlevels();
+}
+private int
+set_MinScreenLevels(long val)
+{
+    gs_setminscreenlevels((uint) val);
+    return 0;
+}
+private const long_param_def_t user_long_params[] =
+{
+    {"JobTimeout", 0, MAX_UINT_PARAM,
+     current_JobTimeout, set_JobTimeout},
+    {"MaxFontItem", 0, MAX_UINT_PARAM,
+     current_MaxFontItem, set_MaxFontItem},
+    {"MinFontCompress", 0, MAX_UINT_PARAM,
+     current_MinFontCompress, set_MinFontCompress},
+    {"MaxOpStack", 0, MAX_UINT_PARAM,
+     current_MaxOpStack, set_MaxOpStack},
+    {"MaxDictStack", 0, MAX_UINT_PARAM,
+     current_MaxDictStack, set_MaxDictStack},
+    {"MaxExecStack", 0, MAX_UINT_PARAM,
+     current_MaxExecStack, set_MaxExecStack},
+    {"MaxLocalVM", 0, max_long,
+     current_MaxLocalVM, set_MaxLocalVM},
+    {"VMReclaim", -2, 0,
+     current_VMReclaim, set_vm_reclaim},
+    {"VMThreshold", -1, max_long,
+     current_VMThreshold, set_vm_threshold},
+    {"WaitTimeout", 0, MAX_UINT_PARAM,
+     current_WaitTimeout, set_WaitTimeout},
+    /* Extensions */
+    {"MinScreenLevels", 0, MAX_UINT_PARAM,
+     current_MinScreenLevels, set_MinScreenLevels}
+};
+
+/* Boolean values */
+private bool
+current_AccurateScreens(void)
+{
+    return gs_currentaccuratescreens();
+}
+private int
+set_AccurateScreens(bool val)
+{
+    gs_setaccuratescreens(val);
+    return 0;
+}
+private const bool_param_def_t user_bool_params[] =
+{
+    {"AccurateScreens", current_AccurateScreens, set_AccurateScreens}
+};
+
+/* The user parameter set */
+private const param_set user_param_set =
+{
+    user_long_params, countof(user_long_params),
+    user_bool_params, countof(user_bool_params),
+    0, 0
+};
+
+/* <dict> .setuserparams - */
+/* We break this out for use when switching contexts. */
+int
+set_user_params(const ref * op)
+{
+    dict_param_list list;
+    int code;
+
+    check_type(*op, t_dictionary);
+    code = dict_param_list_read(&list, op, NULL, false);
+    if (code < 0)
+	return code;
+    code = setparams((gs_param_list *)&list, &user_param_set);
+    iparam_list_release(&list);
+    return code;
+}
+private int
+zsetuserparams(register os_ptr op)
+{
+    int code = set_user_params(op);
+
+    if (code >= 0)
+	pop(1);
+    return code;
+}
+
+/* - .currentuserparams <name1> <value1> ... */
+private int
+zcurrentuserparams(os_ptr op)
+{
+    return currentparams(op, &user_param_set);
+}
+
+/* <name> .getuserparam <value> */
+private int
+zgetuserparam(os_ptr op)
+{
+    return currentparam1(op, &user_param_set);
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zusparam_op_defs[] =
+{
+	/* User and system parameters are accessible even in Level 1 */
+	/* (if this is a Level 2 system). */
+    {"0.currentsystemparams", zcurrentsystemparams},
+    {"0.currentuserparams", zcurrentuserparams},
+    {"1.getsystemparam", zgetsystemparam},
+    {"1.getuserparam", zgetuserparam},
+    {"1.setsystemparams", zsetsystemparams},
+    {"1.setuserparams", zsetuserparams},
+	/* The rest of the operators are defined only in Level 2. */
+    op_def_begin_level2(),
+    {"1.checkpassword", zcheckpassword},
+    op_def_end(0)
+};
+
+/* ------ Internal procedures ------ */
+
+/* Set the values of a parameter set from a parameter list. */
+/* We don't attempt to back out if anything fails. */
+private int
+setparams(gs_param_list * plist, const param_set * pset)
+{
+    int i, code;
+
+    for (i = 0; i < pset->long_count; i++) {
+	const long_param_def_t *pdef = &pset->long_defs[i];
+	long val;
+
+	if (pdef->set == NULL)
+	    continue;
+	code = param_read_long(plist, pdef->pname, &val);
+	switch (code) {
+	    default:		/* invalid */
+		return code;
+	    case 1:		/* missing */
+		break;
+	    case 0:
+		if (val < pdef->min_value || val > pdef->max_value)
+		    return_error(e_rangecheck);
+		code = (*pdef->set)(val);
+		if (code < 0)
+		    return code;
+	}
+    }
+    for (i = 0; i < pset->bool_count; i++) {
+	const bool_param_def_t *pdef = &pset->bool_defs[i];
+	bool val;
+
+	if (pdef->set == NULL)
+	    continue;
+	code = param_read_bool(plist, pdef->pname, &val);
+	if (code == 0)
+	    code = (*pdef->set)(val);
+	if (code < 0)
+	    return code;
+    }
+/****** WE SHOULD DO STRINGS AND STRING ARRAYS, BUT WE DON'T YET ******/
+    return 0;
+}
+
+/* Get the current values of a parameter set to the stack. */
+private bool
+pname_matches(const char *pname, const ref * psref)
+{
+    return
+	(psref == 0 ||
+	 !bytes_compare((const byte *)pname, strlen(pname),
+			psref->value.const_bytes, r_size(psref)));
+}
+private int
+current_param_list(os_ptr op, const param_set * pset,
+		   const ref * psref /*t_string */ )
+{
+    stack_param_list list;
+    gs_param_list *const plist = (gs_param_list *)&list;
+    int i;
+
+    stack_param_list_write(&list, &o_stack, NULL);
+    for (i = 0; i < pset->long_count; i++) {
+	const char *pname = pset->long_defs[i].pname;
+
+	if (pname_matches(pname, psref)) {
+	    long val = (*pset->long_defs[i].current)();
+	    int code = param_write_long(plist, pname, &val);
+
+	    if (code < 0)
+		return code;
+	}
+    }
+    for (i = 0; i < pset->bool_count; i++) {
+	const char *pname = pset->bool_defs[i].pname;
+
+	if (pname_matches(pname, psref)) {
+	    bool val = (*pset->bool_defs[i].current)();
+	    int code = param_write_bool(plist, pname, &val);
+
+	    if (code < 0)
+		return code;
+	}
+    }
+    for (i = 0; i < pset->string_count; i++) {
+	const char *pname = pset->string_defs[i].pname;
+
+	if (pname_matches(pname, psref)) {
+	    gs_param_string val;
+	    int code;
+
+	    (*pset->string_defs[i].current)(&val);
+	    code = param_write_string(plist, pname, &val);
+	    if (code < 0)
+		return code;
+	}
+    }
+    return 0;
+}
+
+/* Get the current values of a parameter set to the stack. */
+private int
+currentparams(os_ptr op, const param_set * pset)
+{
+    return current_param_list(op, pset, NULL);
+}
+
+/* Get the value of a single parameter to the stack, or signal an error. */
+private int
+currentparam1(os_ptr op, const param_set * pset)
+{
+    ref sref;
+    int code;
+
+    check_type(*op, t_name);
+    check_ostack(2);
+    name_string_ref((const ref *)op, &sref);
+    code = current_param_list(op, pset, &sref);
+    if (code < 0)
+	return code;
+    if (osp == op)
+	return_error(e_undefined);
+    /* We know osp == op + 2. */
+    ref_assign(op, op + 2);
+    pop(2);
+    return code;
+}
diff --git a/pstoraster/zvmem.c b/pstoraster/zvmem.c
new file mode 100644
index 000000000..109816969
--- /dev/null
+++ b/pstoraster/zvmem.c
@@ -0,0 +1,404 @@
+/* Copyright (C) 1989, 1995, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* "Virtual memory" operators */
+#include "ghost.h"
+#include "gsstruct.h"
+#include "oper.h"
+#include "estack.h"		/* for checking in restore */
+#include "ialloc.h"
+#include "idict.h"		/* ditto */
+#include "igstate.h"
+#include "isave.h"
+#include "dstack.h"
+#include "stream.h"		/* for files.h */
+#include "files.h"		/* for e-stack processing */
+#include "store.h"
+#include "gsmalloc.h"		/* for gs_memory_default */
+#include "gsmatrix.h"		/* for gsstate.h */
+#include "gsstate.h"
+
+/* Define whether we validate memory before/after save/restore. */
+/* Note that we only actually do this if DEBUG is set and -Z? is selected. */
+private bool I_VALIDATE_BEFORE_SAVE = true;
+private bool I_VALIDATE_AFTER_SAVE = true;
+private bool I_VALIDATE_BEFORE_RESTORE = true;
+private bool I_VALIDATE_AFTER_RESTORE = true;
+
+/* Make an invalid file object. */
+extern void make_invalid_file(P1(ref *));	/* in zfile.c */
+
+/* 'Save' structure */
+typedef struct vm_save_s vm_save_t;
+struct vm_save_s {
+    gs_state *gsave;		/* old graphics state */
+};
+
+gs_private_st_ptrs1(st_vm_save, vm_save_t, "savetype",
+		    vm_save_enum_ptrs, vm_save_reloc_ptrs, gsave);
+
+/* Clean up the stacks and validate storage. */
+private void
+ivalidate_clean_spaces(void)
+{
+    if (gs_debug_c('?')) {
+	ref_stack_cleanup(&d_stack);
+	ref_stack_cleanup(&e_stack);
+	ref_stack_cleanup(&o_stack);
+	ivalidate_spaces();
+    }
+}
+
+/* - save <save> */
+int
+zsave(register os_ptr op)
+{
+    uint space = icurrent_space;
+    vm_save_t *vmsave;
+    ulong sid;
+    int code;
+    gs_state *prev;
+
+    if (I_VALIDATE_BEFORE_SAVE)
+	ivalidate_clean_spaces();
+    ialloc_set_space(idmemory, avm_local);
+    vmsave = ialloc_struct(vm_save_t, &st_vm_save, "zsave");
+    ialloc_set_space(idmemory, space);
+    if (vmsave == 0)
+	return_error(e_VMerror);
+    sid = alloc_save_state(idmemory, vmsave);
+    if (sid == 0) {
+	ifree_object(vmsave, "zsave");
+	return_error(e_VMerror);
+    }
+    if_debug2('u', "[u]vmsave 0x%lx, id = %lu\n",
+	      (ulong) vmsave, (ulong) sid);
+    code = gs_gsave_for_save(igs, &prev);
+    if (code < 0)
+	return code;
+    code = gs_gsave(igs);
+    if (code < 0)
+	return code;
+    vmsave->gsave = prev;
+    push(1);
+    make_tav(op, t_save, 0, saveid, sid);
+    if (I_VALIDATE_AFTER_SAVE)
+	ivalidate_clean_spaces();
+    return 0;
+}
+
+/* <save> restore - */
+private int restore_check_operand(P2(os_ptr, alloc_save_t **));
+private int restore_check_stack(P3(const ref_stack *, const alloc_save_t *, bool));
+private void restore_fix_stack(P3(ref_stack *, const alloc_save_t *, bool));
+int
+zrestore(register os_ptr op)
+{
+    alloc_save_t *asave;
+    bool last;
+    vm_save_t *vmsave;
+    int code = restore_check_operand(op, &asave);
+
+    if (code < 0)
+	return code;
+    if_debug2('u', "[u]vmrestore 0x%lx, id = %lu\n",
+	      (ulong) alloc_save_client_data(asave),
+	      (ulong) op->value.saveid);
+    if (I_VALIDATE_BEFORE_RESTORE)
+	ivalidate_clean_spaces();
+    /* Check the contents of the stacks. */
+    osp--;
+    {
+	int code;
+
+	if ((code = restore_check_stack(&o_stack, asave, false)) < 0 ||
+	    (code = restore_check_stack(&e_stack, asave, true)) < 0 ||
+	    (code = restore_check_stack(&d_stack, asave, false)) < 0
+	    ) {
+	    osp++;
+	    return code;
+	}
+    }
+    /* Reset l_new in all stack entries if the new save level is zero. */
+    /* Also do some special fixing on the e-stack. */
+    restore_fix_stack(&o_stack, asave, false);
+    restore_fix_stack(&e_stack, asave, true);
+    restore_fix_stack(&d_stack, asave, false);
+    /* Iteratively restore the state of memory, */
+    /* also doing a grestoreall at each step. */
+    do {
+	vmsave = alloc_save_client_data(alloc_save_current(idmemory));
+	/* Restore the graphics state. */
+	gs_grestoreall_for_restore(igs, vmsave->gsave);
+	/*
+	 * If alloc_save_space decided to do a second save, the vmsave
+	 * object was allocated one save level less deep than the
+	 * current level, so ifree_object won't actually free it;
+	 * however, it points to a gsave object that definitely
+	 * *has* been freed.  In order not to trip up the garbage
+	 * collector, we clear the gsave pointer now.
+	 */
+	vmsave->gsave = 0;
+	/* Now it's safe to restore the state of memory. */
+	last = alloc_restore_state_step(asave);
+    }
+    while (!last);
+    {
+	uint space = icurrent_space;
+
+	ialloc_set_space(idmemory, avm_local);
+	ifree_object(vmsave, "zrestore");
+	ialloc_set_space(idmemory, space);
+    }
+    dict_set_top();		/* reload dict stack cache */
+    if (I_VALIDATE_AFTER_RESTORE)
+	ivalidate_clean_spaces();
+    return 0;
+}
+/* Check the operand of a restore. */
+private int
+restore_check_operand(os_ptr op, alloc_save_t ** pasave)
+{
+    vm_save_t *vmsave;
+    ulong sid;
+    alloc_save_t *asave;
+
+    check_type(*op, t_save);
+    vmsave = r_ptr(op, vm_save_t);
+    if (vmsave == 0)		/* invalidated save */
+	return_error(e_invalidrestore);
+    sid = op->value.saveid;
+    asave = alloc_find_save(idmemory, sid);
+    if (asave == 0)
+	return_error(e_invalidrestore);
+    *pasave = asave;
+    return 0;
+}
+/* Check a stack to make sure all its elements are older than a save. */
+private int
+restore_check_stack(const ref_stack * pstack, const alloc_save_t * asave,
+		    bool is_estack)
+{
+    ref_stack_enum_t rsenum;
+
+    ref_stack_enum_begin(&rsenum, pstack);
+    do {
+	const ref *stkp = rsenum.ptr;
+	uint size = rsenum.size;
+
+	for (; size; stkp++, size--) {
+	    const void *ptr;
+
+	    switch (r_type(stkp)) {
+		case t_array:
+		    ptr = stkp->value.refs;
+		    break;
+		case t_dictionary:
+		    ptr = stkp->value.pdict;
+		    break;
+		case t_file:
+		    /* Don't check executable or closed literal */
+		    /* files on the e-stack. */
+		    {
+			stream *s;
+
+			if (is_estack &&
+			    (r_has_attr(stkp, a_executable) ||
+			     file_is_invalid(s, stkp))
+			    )
+			    continue;
+		    }
+		    ptr = stkp->value.pfile;
+		    break;
+		case t_name:
+		    /* Names are special because of how they are allocated. */
+		    if (alloc_name_is_since_save(stkp, asave))
+			return_error(e_invalidrestore);
+		    continue;
+		case t_string:
+		    /* Don't check empty executable strings */
+		    /* on the e-stack. */
+		    if (r_size(stkp) == 0 &&
+			r_has_attr(stkp, a_executable) && is_estack
+			)
+			continue;
+		    ptr = stkp->value.bytes;
+		    break;
+		case t_mixedarray:
+		case t_shortarray:
+		    ptr = stkp->value.packed;
+		    break;
+		case t_device:
+		    ptr = stkp->value.pdevice;
+		    break;
+		case t_fontID:
+		case t_struct:
+		case t_astruct:
+		    ptr = stkp->value.pstruct;
+		    break;
+		default:
+		    continue;
+	    }
+	    if (alloc_is_since_save(ptr, asave))
+		return_error(e_invalidrestore);
+	}
+    } while (ref_stack_enum_next(&rsenum));
+    return 0;		/* OK */
+}
+/*
+ * If the new save level is zero, fix up the contents of a stack
+ * by clearing the l_new bit in all the entries (since we can't tolerate
+ * values with l_new set if the save level is zero).
+ * Also, in any case, fix up the e-stack by replacing empty executable
+ * strings and closed executable files that are newer than the save
+ * with canonical ones that aren't.
+ *
+ * Note that this procedure is only called if restore_check_stack succeeded.
+ */
+private void
+restore_fix_stack(ref_stack * pstack, const alloc_save_t * asave,
+		  bool is_estack)
+{
+    ref_stack_enum_t rsenum;
+
+    ref_stack_enum_begin(&rsenum, pstack);
+    do {
+	ref *stkp = rsenum.ptr;
+	uint size = rsenum.size;
+
+	for (; size; stkp++, size--) {
+	    r_clear_attrs(stkp, l_new);		/* always do it, no harm */
+	    if (is_estack) {
+		ref ofile;
+
+		ref_assign(&ofile, stkp);
+		switch (r_type(stkp)) {
+		    case t_string:
+			if (r_size(stkp) == 0 &&
+			    alloc_is_since_save(stkp->value.bytes,
+						asave)
+			    ) {
+			    make_empty_const_string(stkp,
+						    avm_foreign);
+			    break;
+			}
+			continue;
+		    case t_file:
+			if (alloc_is_since_save(stkp->value.pfile,
+						asave)
+			    ) {
+			    make_invalid_file(stkp);
+			    break;
+			}
+			continue;
+		    default:
+			continue;
+		}
+		r_copy_attrs(stkp, a_all | a_executable,
+			     &ofile);
+	    }
+	}
+    } while (ref_stack_enum_next(&rsenum));
+}
+
+/* - vmstatus <save_level> <vm_used> <vm_maximum> */
+private int
+zvmstatus(register os_ptr op)
+{
+    gs_memory_status_t mstat, dstat;
+
+    gs_memory_status(imemory, &mstat);
+    if (imemory == imemory_global) {
+	gs_memory_status_t sstat;
+
+	gs_memory_status(imemory_system, &sstat);
+	mstat.allocated += sstat.allocated;
+	mstat.used += sstat.used;
+    }
+    gs_memory_status(&gs_memory_default, &dstat);
+    push(3);
+    make_int(op - 2, alloc_save_level(idmemory));
+    make_int(op - 1, mstat.used);
+    make_int(op, mstat.allocated + dstat.allocated - dstat.used);
+    return 0;
+}
+
+/* ------ Non-standard extensions ------ */
+
+/* <save> .forgetsave - */
+private int
+zforgetsave(register os_ptr op)
+{
+    alloc_save_t *asave;
+    vm_save_t *vmsave;
+    int code = restore_check_operand(op, &asave);
+
+    if (code < 0)
+	return 0;
+    vmsave = alloc_save_client_data(asave);
+    /* Reset l_new in all stack entries if the new save level is zero. */
+    restore_fix_stack(&o_stack, asave, false);
+    restore_fix_stack(&e_stack, asave, false);
+    restore_fix_stack(&d_stack, asave, false);
+    /*
+     * Forget the gsaves, by deleting the bottom gstate on
+     * the current stack and the top one on the saved stack and then
+     * concatenating the stacks together.
+     */
+    {
+	gs_state *pgs = igs;
+	gs_state *last;
+
+	while (gs_state_saved(last = gs_state_saved(pgs)) != 0)
+	    pgs = last;
+	gs_state_swap_saved(last, vmsave->gsave);
+	gs_grestore(last);
+	gs_grestore(last);
+    }
+    /* Forget the save in the memory manager. */
+    alloc_forget_save(asave);
+    {
+	uint space = icurrent_space;
+
+	ialloc_set_space(idmemory, avm_local);
+	/* See above for why we clear the gsave pointer here. */
+	vmsave->gsave = 0;
+	ifree_object(vmsave, "zrestore");
+	ialloc_set_space(idmemory, space);
+    }
+    pop(1);
+    return 0;
+}
+
+/* ------ Initialization procedure ------ */
+
+const op_def zvmem_op_defs[] =
+{
+    {"1.forgetsave", zforgetsave},
+    {"1restore", zrestore},
+    {"0save", zsave},
+    {"0vmstatus", zvmstatus},
+    op_def_end(0)
+};
diff --git a/pstoraster/zvmem2.c b/pstoraster/zvmem2.c
new file mode 100644
index 000000000..84f960783
--- /dev/null
+++ b/pstoraster/zvmem2.c
@@ -0,0 +1,153 @@
+/* Copyright (C) 1992, 1993, 1994, 1997, 1998 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of GNU Ghostscript.
+  
+  GNU Ghostscript is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY.  No author or distributor accepts responsibility
+  to anyone for the consequences of using it or for whether it serves any
+  particular purpose or works at all, unless he says so in writing.  Refer
+  to the GNU General Public License for full details.
+  
+  Everyone is granted permission to copy, modify and redistribute GNU
+  Ghostscript, but only under the conditions described in the GNU General
+  Public License.  A copy of this license is supposed to have been given
+  to you along with GNU Ghostscript so you can know your rights and
+  responsibilities.  It should be in a file named COPYING.  Among other
+  things, the copyright notice and this notice must be preserved on all
+  copies.
+  
+  Aladdin Enterprises supports the work of the GNU Project, but is not
+  affiliated with the Free Software Foundation or the GNU Project.  GNU
+  Ghostscript, as distributed by Aladdin Enterprises, does not require any
+  GNU software to build or run it.
+*/
+
+/*$Id$ */
+/* Level 2 "Virtual memory" operators */
+#include "ghost.h"
+#include "oper.h"
+#include "estack.h"
+#include "ialloc.h"		/* for ivmspace.h */
+#include "ivmspace.h"
+#include "store.h"
+
+/* Garbage collector control parameters. */
+#define DEFAULT_VM_THRESHOLD_SMALL 20000
+#define DEFAULT_VM_THRESHOLD_LARGE 250000
+#define MIN_VM_THRESHOLD 1
+#define MAX_VM_THRESHOLD max_long
+
+/* ------ Local/global VM control ------ */
+
+/* <bool> .setglobal - */
+private int
+zsetglobal(register os_ptr op)
+{
+    check_type(*op, t_boolean);
+    ialloc_set_space(idmemory,
+		     (op->value.boolval ? avm_global : avm_local));
+    pop(1);
+    return 0;
+}
+
+/* <bool> .currentglobal - */
+private int
+zcurrentglobal(register os_ptr op)
+{
+    push(1);
+    make_bool(op, ialloc_space(idmemory) != avm_local);
+    return 0;
+}
+
+/* <any> gcheck/scheck <bool> */
+private int
+zgcheck(register os_ptr op)
+{
+    check_op(1);
+    make_bool(op, (r_is_local(op) ? false : true));
+    return 0;
+}
+
+/* ------ Garbage collector control ------ */
+
+/* These routines are exported for setuserparams. */
+
+/*
+ * <int> setvmthreshold -
+ *
+ * This is implemented as a PostScript procedure that calls setuserparams.
+ */
+int
+set_vm_threshold(long val)
+{
+    gs_memory_gc_status_t stat;
+
+    if (val < -1)
+	return_error(e_rangecheck);
+    else if (val == -1)
+	val = (gs_debug_c('.') ? DEFAULT_VM_THRESHOLD_SMALL :
+	       DEFAULT_VM_THRESHOLD_LARGE);
+    else if (val < MIN_VM_THRESHOLD)
+	val = MIN_VM_THRESHOLD;
+    else if (val > MAX_VM_THRESHOLD)
+	val = MAX_VM_THRESHOLD;
+    gs_memory_gc_status(idmemory->space_global, &stat);
+    stat.vm_threshold = val;
+    gs_memory_set_gc_status(idmemory->space_global, &stat);
+    gs_memory_gc_status(idmemory->space_local, &stat);
+    stat.vm_threshold = val;
+    gs_memory_set_gc_status(idmemory->space_local, &stat);
+    return 0;
+}
+
+/*
+ * <int> .vmreclaim -
+ *
+ * This implements only immediate garbage collection: enabling and
+ * disabling GC is implemented by calling setuserparams.
+ */
+int
+set_vm_reclaim(long val)
+{
+    if (val >= -2 && val <= 0) {
+	gs_memory_gc_status_t stat;
+
+	gs_memory_gc_status(idmemory->space_system, &stat);
+	stat.enabled = val >= -1;
+	gs_memory_set_gc_status(idmemory->space_system, &stat);
+	gs_memory_gc_status(idmemory->space_global, &stat);
+	stat.enabled = val >= -1;
+	gs_memory_set_gc_status(idmemory->space_global, &stat);
+	gs_memory_gc_status(idmemory->space_local, &stat);
+	stat.enabled = val == 0;
+	gs_memory_set_gc_status(idmemory->space_local, &stat);
+	return 0;
+    } else
+	return_error(e_rangecheck);
+}
+private int
+zvmreclaim(register os_ptr op)
+{
+    check_type(*op, t_integer);
+    if (op->value.intval == 1 || op->value.intval == 2) {
+	/* Force the interpreter to store its state and exit. */
+	/* The interpreter's caller will do the actual GC. */
+	return_error(e_VMreclaim);
+    }
+    return_error(e_rangecheck);
+}
+
+/* ------ Initialization procedure ------ */
+
+/* The VM operators are defined even if the initial language level is 1, */
+/* because we need them during initialization. */
+const op_def zvmem2_op_defs[] =
+{
+    {"0.currentglobal", zcurrentglobal},
+    {"1.gcheck", zgcheck},
+    {"1.setglobal", zsetglobal},
+		/* The rest of the operators are defined only in Level 2. */
+    op_def_begin_level2(),
+    {"1.vmreclaim", zvmreclaim},
+    op_def_end(0)
+};
diff --git a/scheduler/.cvsignore b/scheduler/.cvsignore
new file mode 100644
index 000000000..bec82db23
--- /dev/null
+++ b/scheduler/.cvsignore
@@ -0,0 +1,3 @@
+cupsd
+cups-polld
+cups-lpd
diff --git a/scheduler/Makefile b/scheduler/Makefile
new file mode 100644
index 000000000..333073d72
--- /dev/null
+++ b/scheduler/Makefile
@@ -0,0 +1,145 @@
+#
+# "$Id$"
+#
+#   Scheduler Makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+CUPSDOBJS =	auth.o banners.o cert.o classes.o client.o conf.o devices.o \
+		dirsvc.o main.o ipp.o listen.o job.o log.o ppds.o printers.o \
+		quotas.o server.o
+MIMEOBJS =	filter.o mime.o type.o
+OBJS	=	$(CUPSDOBJS) $(MIMEOBJS) cups-lpd.o cups-polld.o testmime.o \
+		testspeed.o
+
+
+#
+# Make everything...
+#
+
+all:	cupsd cups-lpd cups-polld libmime.a
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS) cupsd cups-lpd cups-polld libmime.a testmime testspeed
+
+
+#
+# Install the scheduler...
+#
+
+install:
+	$(INSTALL_DIR) $(SBINDIR)
+	$(INSTALL_BIN) cupsd $(SBINDIR)
+	$(INSTALL_DIR) $(SERVERBIN)/daemon
+	$(INSTALL_BIN) cups-lpd $(SERVERBIN)/daemon
+	$(INSTALL_BIN) cups-polld $(SERVERBIN)/daemon
+	$(INSTALL_DIR) -m 711 -o $(CUPS_USER) -g $(CUPS_GROUP) $(SERVERROOT)/certs
+	$(INSTALL_DIR) $(SERVERROOT)/interfaces
+	$(INSTALL_DIR) $(SERVERROOT)/ppd
+	$(INSTALL_DIR) $(LOGDIR)
+	$(INSTALL_DIR) -m 700 -o $(CUPS_USER) -g $(CUPS_GROUP) $(REQUESTS)
+	$(INSTALL_DIR) -m 1700 -o $(CUPS_USER) -g $(CUPS_GROUP) $(REQUESTS)/tmp
+
+
+#
+# Make the scheduler executable, "cupsd".
+#
+
+cupsd:	$(CUPSDOBJS) libmime.a ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o cupsd $(CUPSDOBJS) libmime.a \
+		$(LIBZ) $(SSLLIBS) $(LIBSLP) $(PAMLIBS) $(LIBS) $(LIBMALLOC)
+
+$(CUPSDOBJS):	auth.h banners.h cert.h classes.h client.h conf.h \
+		cupsd.h dirsvc.h job.h mime.h printers.h \
+		../cups/cups.h ../cups/http.h ../cups/ipp.h \
+		../cups/language.h ../cups/string.h
+
+
+#
+# Make the line printer daemon, "cups-lpd".
+#
+
+cups-lpd:	cups-lpd.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o cups-lpd cups-lpd.o $(LIBS)
+
+cups-lpd.o:	../cups/cups.h ../cups/http.h ../cups/ipp.h \
+		../cups/language.h ../cups/string.h
+
+
+#
+# Make the polling daemon, "cups-polld".
+#
+
+cups-polld:	cups-polld.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o cups-polld cups-polld.o $(LIBS)
+
+cups-polld.o:	../cups/cups.h ../cups/http.h ../cups/ipp.h \
+		../cups/language.h ../cups/string.h
+
+
+#
+# libmime.a
+#
+
+libmime.a:	$(MIMEOBJS)
+	echo Archiving $@...
+	$(RM) $@
+	$(AR) $(ARFLAGS) $@ $(MIMEOBJS)
+	$(RANLIB) $@
+
+$(MIMEOBJS):	mime.h
+
+
+#
+# testmime
+#
+
+testmime:	testmime.o libmime.a
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o $@ testmime.o libmime.a ../cups/libcups.a
+
+testmime.o:	mime.h
+
+#
+# Make the test program, "testspeed".
+#
+
+testspeed:	testspeed.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o testspeed testspeed.o $(LIBS)
+
+testspeed.o:	../cups/cups.h ../cups/http.h ../cups/ipp.h ../cups/language.h
+
+$(OBJS):	../config.h ../Makedefs
+
+
+#
+# End of "$Id$".
+#
diff --git a/scheduler/auth.c b/scheduler/auth.c
new file mode 100644
index 000000000..4fb555bba
--- /dev/null
+++ b/scheduler/auth.c
@@ -0,0 +1,1498 @@
+/*
+ * "$Id$"
+ *
+ *   Authorization routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddLocation()        - Add a location for authorization.
+ *   AddName()            - Add a name to a location...
+ *   AllowHost()          - Add a host name that is allowed to access the
+ *                          location.
+ *   AllowIP()            - Add an IP address or network that is allowed to
+ *                          access the location.
+ *   CheckAuth()          - Check authorization masks.
+ *   CopyLocation()       - Make a copy of a location...
+ *   DeleteAllLocations() - Free all memory used for location authorization.
+ *   DenyHost()           - Add a host name that is not allowed to access the
+ *                          location.
+ *   DenyIP()             - Add an IP address or network that is not allowed
+ *                          to access the location.
+ *   FindBest()           - Find the location entry that best matches the
+ *                          resource.
+ *   FindLocation()       - Find the named location.
+ *   IsAuthorized()       - Check to see if the user is authorized...
+ *   add_allow()          - Add an allow mask to the location.
+ *   add_deny()           - Add a deny mask to the location.
+ *   cups_crypt()         - Encrypt the password using the DES or MD5
+ *                          algorithms, as needed.
+ *   get_md5_passwd()     - Get an MD5 password.
+ *   pam_func()           - PAM conversation function.
+ *   to64()               - Base64-encode an integer value...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <pwd.h>
+#include <grp.h>
+#include <cups/md5.h>
+#ifdef HAVE_SHADOW_H
+#  include <shadow.h>
+#endif /* HAVE_SHADOW_H */
+#ifdef HAVE_CRYPT_H
+#  include <crypt.h>
+#endif /* HAVE_CRYPT_H */
+#if HAVE_LIBPAM
+#  include <security/pam_appl.h>
+#endif /* HAVE_LIBPAM */
+#ifdef HAVE_USERSEC_H
+#  include <usersec.h>
+#endif /* HAVE_USERSEC_H */
+
+
+/*
+ * Local functions...
+ */
+
+static authmask_t	*add_allow(location_t *loc);
+static authmask_t	*add_deny(location_t *loc);
+#if !HAVE_LIBPAM
+static char		*cups_crypt(const char *pw, const char *salt);
+#endif /* !HAVE_LIBPAM */
+static char		*get_md5_passwd(const char *username, const char *group,
+			                char passwd[33]);
+#if HAVE_LIBPAM
+static int		pam_func(int, const struct pam_message **,
+			         struct pam_response **, void *);
+#else
+static void		to64(char *s, unsigned long v, int n);
+#endif /* HAVE_LIBPAM */
+
+
+/*
+ * Local globals...
+ */
+
+#ifdef __hpux
+static client_t		*auth_client;	/* Current client being authenticated */
+#endif /* __hpux */
+
+
+/*
+ * 'AddLocation()' - Add a location for authorization.
+ */
+
+location_t *				/* O - Pointer to new location record */
+AddLocation(const char *location)	/* I - Location path */
+{
+  location_t	*temp;			/* New location */
+
+
+ /*
+  * Try to allocate memory for the new location.
+  */
+
+  if (NumLocations == 0)
+    temp = malloc(sizeof(location_t));
+  else
+    temp = realloc(Locations, sizeof(location_t) * (NumLocations + 1));
+
+  if (temp == NULL)
+    return (NULL);
+
+  Locations = temp;
+  temp      += NumLocations;
+  NumLocations ++;
+
+ /*
+  * Initialize the record and copy the name over...
+  */
+
+  memset(temp, 0, sizeof(location_t));
+  strncpy(temp->location, location, sizeof(temp->location) - 1);
+  temp->length = strlen(temp->location);
+
+  LogMessage(L_DEBUG, "AddLocation: added location \'%s\'", location);
+
+ /*
+  * Return the new record...
+  */
+
+  return (temp);
+}
+
+
+/*
+ * 'AddName()' - Add a name to a location...
+ */
+
+void
+AddName(location_t *loc,	/* I - Location to add to */
+        char       *name)	/* I - Name to add */
+{
+  char	**temp;			/* Pointer to names array */
+
+
+  if (loc->num_names == 0)
+    temp = malloc(sizeof(char *));
+  else
+    temp = realloc(loc->names, (loc->num_names + 1) * sizeof(char *));
+
+  if (temp == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to add name to location %s: %s", loc->location,
+               strerror(errno));
+    return;
+  }
+
+  loc->names = temp;
+
+  if ((temp[loc->num_names] = strdup(name)) == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to duplicate name for location %s: %s",
+               loc->location, strerror(errno));
+    return;
+  }
+
+  loc->num_names ++;
+}
+
+
+/*
+ * 'AllowHost()' - Add a host name that is allowed to access the location.
+ */
+
+void
+AllowHost(location_t *loc,	/* I - Location to add to */
+          char       *name)	/* I - Name of host or domain to add */
+{
+  authmask_t	*temp;		/* New host/domain mask */
+
+
+  if ((temp = add_allow(loc)) == NULL)
+    return;
+
+  temp->type             = AUTH_NAME;
+  temp->mask.name.name   = strdup(name);
+  temp->mask.name.length = strlen(name);
+
+  LogMessage(L_DEBUG, "AllowHost: %s allow %s", loc->location, name);
+}
+
+
+/*
+ * 'AllowIP()' - Add an IP address or network that is allowed to access the
+ *               location.
+ */
+
+void
+AllowIP(location_t *loc,	/* I - Location to add to */
+        unsigned   address,	/* I - IP address to add */
+        unsigned   netmask)	/* I - Netmask of address */
+{
+  authmask_t	*temp;		/* New host/domain mask */
+
+
+  if ((temp = add_allow(loc)) == NULL)
+    return;
+
+  temp->type            = AUTH_IP;
+  temp->mask.ip.address = address;
+  temp->mask.ip.netmask = netmask;
+
+  LogMessage(L_DEBUG, "AllowIP: %s allow %08x/%08x", loc->location,
+             address, netmask);
+}
+
+
+/*
+ * 'CheckAuth()' - Check authorization masks.
+ */
+
+int				/* O - 1 if mask matches, 0 otherwise */
+CheckAuth(unsigned   ip,	/* I - Client address */
+          char       *name,	/* I - Client hostname */
+          int        name_len,	/* I - Length of hostname */
+          int        num_masks, /* I - Number of masks */
+          authmask_t *masks)	/* I - Masks */
+{
+  while (num_masks > 0)
+  {
+    switch (masks->type)
+    {
+      case AUTH_NAME :
+         /*
+	  * Check for exact name match...
+	  */
+
+          if (strcasecmp(name, masks->mask.name.name) == 0)
+	    return (1);
+
+         /*
+	  * Check for domain match...
+	  */
+
+	  if (name_len >= masks->mask.name.length &&
+	      masks->mask.name.name[0] == '.' &&
+	      strcasecmp(name + name_len - masks->mask.name.length,
+	                 masks->mask.name.name) == 0)
+	    return (1);
+          break;
+
+      case AUTH_IP :
+         /*
+	  * Check for IP/network address match...
+	  */
+
+          if ((ip & masks->mask.ip.netmask) == masks->mask.ip.address)
+	    return (1);
+          break;
+    }
+
+    masks ++;
+    num_masks --;
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'CopyLocation()' - Make a copy of a location...
+ */
+
+location_t *			/* O - New location */
+CopyLocation(location_t **loc)	/* IO - Original location */
+{
+  int		i;		/* Looping var */
+  int		locindex;	/* Index into Locations array */
+  location_t	*temp;		/* New location */
+
+
+ /*
+  * Add the new location, updating the original location
+  * pointer as needed...
+  */
+
+  locindex = *loc - Locations;
+
+  if ((temp = AddLocation((*loc)->location)) == NULL)
+    return (NULL);
+
+  *loc = Locations + locindex;
+
+ /*
+  * Copy the information from the original location to the new one.
+  */
+
+  temp->limit = (*loc)->limit;
+  temp->order_type = (*loc)->order_type;
+  temp->type       = (*loc)->type;
+  temp->level      = (*loc)->level;
+  temp->satisfy    = (*loc)->satisfy;
+  temp->encryption = (*loc)->encryption;
+
+  if ((temp->num_names  = (*loc)->num_names) > 0)
+  {
+   /*
+    * Copy the names array...
+    */
+
+    if ((temp->names = calloc(temp->num_names, sizeof(char *))) == NULL)
+    {
+      LogMessage(L_ERROR, "CopyLocation: Unable to allocate memory for %d names: %s",
+                 temp->num_names, strerror(errno));
+      NumLocations --;
+      return (NULL);
+    }
+
+    for (i = 0; i < temp->num_names; i ++)
+      if ((temp->names[i] = strdup((*loc)->names[i])) == NULL)
+      {
+	LogMessage(L_ERROR, "CopyLocation: Unable to copy name \"%s\": %s",
+                   (*loc)->names[i], strerror(errno));
+
+	NumLocations --;
+	return (NULL);
+      }
+  }
+
+  if ((temp->num_allow  = (*loc)->num_allow) > 0)
+  {
+   /*
+    * Copy allow rules...
+    */
+
+    if ((temp->allow = calloc(temp->num_allow, sizeof(authmask_t))) == NULL)
+    {
+      LogMessage(L_ERROR, "CopyLocation: Unable to allocate memory for %d allow rules: %s",
+                 temp->num_allow, strerror(errno));
+      NumLocations --;
+      return (NULL);
+    }
+
+    for (i = 0; i < temp->num_allow; i ++)
+      switch (temp->allow[i].type = (*loc)->allow[i].type)
+      {
+        case AUTH_NAME :
+	    temp->allow[i].mask.name.length = (*loc)->allow[i].mask.name.length;
+	    temp->allow[i].mask.name.name   = strdup((*loc)->allow[i].mask.name.name);
+
+            if (temp->allow[i].mask.name.name == NULL)
+	    {
+	      LogMessage(L_ERROR, "CopyLocation: Unable to copy allow name \"%s\": %s",
+                	 (*loc)->allow[i].mask.name.name, strerror(errno));
+	      NumLocations --;
+	      return (NULL);
+	    }
+	    break;
+	case AUTH_IP :
+	    memcpy(&(temp->allow[i].mask.ip), &((*loc)->allow[i].mask.ip),
+	           sizeof(ipmask_t));
+	    break;
+      }
+  }
+
+  if ((temp->num_deny  = (*loc)->num_deny) > 0)
+  {
+   /*
+    * Copy deny rules...
+    */
+
+    if ((temp->deny = calloc(temp->num_deny, sizeof(authmask_t))) == NULL)
+    {
+      LogMessage(L_ERROR, "CopyLocation: Unable to allocate memory for %d deny rules: %s",
+                 temp->num_deny, strerror(errno));
+      NumLocations --;
+      return (NULL);
+    }
+
+    for (i = 0; i < temp->num_deny; i ++)
+      switch (temp->deny[i].type = (*loc)->deny[i].type)
+      {
+        case AUTH_NAME :
+	    temp->deny[i].mask.name.length = (*loc)->deny[i].mask.name.length;
+	    temp->deny[i].mask.name.name   = strdup((*loc)->deny[i].mask.name.name);
+
+            if (temp->deny[i].mask.name.name == NULL)
+	    {
+	      LogMessage(L_ERROR, "CopyLocation: Unable to copy deny name \"%s\": %s",
+                	 (*loc)->deny[i].mask.name.name, strerror(errno));
+	      NumLocations --;
+	      return (NULL);
+	    }
+	    break;
+	case AUTH_IP :
+	    memcpy(&(temp->deny[i].mask.ip), &((*loc)->deny[i].mask.ip),
+	           sizeof(ipmask_t));
+	    break;
+      }
+  }
+
+  return (temp);
+}
+
+
+/*
+ * 'DeleteAllLocations()' - Free all memory used for location authorization.
+ */
+
+void
+DeleteAllLocations(void)
+{
+  int		i, j;		/* Looping vars */
+  location_t	*loc;		/* Current location */
+  authmask_t	*mask;		/* Current mask */
+
+
+ /*
+  * Free all of the allow/deny records first...
+  */
+
+  for (i = NumLocations, loc = Locations; i > 0; i --, loc ++)
+  {
+    for (j = loc->num_names - 1; j >= 0; j --)
+      free(loc->names[j]);
+
+    if (loc->num_names > 0)
+      free(loc->names);
+
+    for (j = loc->num_allow, mask = loc->allow; j > 0; j --, mask ++)
+      if (mask->type == AUTH_NAME)
+        free(mask->mask.name.name);
+
+    if (loc->num_allow > 0)
+      free(loc->allow);
+
+    for (j = loc->num_deny, mask = loc->deny; j > 0; j --, mask ++)
+      if (mask->type == AUTH_NAME)
+        free(mask->mask.name.name);
+
+    if (loc->num_deny > 0)
+      free(loc->deny);
+  }
+
+ /*
+  * Then free the location array...
+  */
+
+  if (NumLocations > 0)
+    free(Locations);
+
+  Locations    = NULL;
+  NumLocations = 0;
+}
+
+
+/*
+ * 'DenyHost()' - Add a host name that is not allowed to access the location.
+ */
+
+void
+DenyHost(location_t *loc,	/* I - Location to add to */
+         char       *name)	/* I - Name of host or domain to add */
+{
+  authmask_t	*temp;		/* New host/domain mask */
+
+
+  if ((temp = add_deny(loc)) == NULL)
+    return;
+
+  temp->type             = AUTH_NAME;
+  temp->mask.name.name   = strdup(name);
+  temp->mask.name.length = strlen(name);
+
+  LogMessage(L_DEBUG, "DenyHost: %s deny %s", loc->location, name);
+}
+
+
+/*
+ * 'DenyIP()' - Add an IP address or network that is not allowed to access
+ *              the location.
+ */
+
+void
+DenyIP(location_t *loc,		/* I - Location to add to */
+       unsigned   address,	/* I - IP address to add */
+       unsigned   netmask)	/* I - Netmask of address */
+{
+  authmask_t	*temp;		/* New host/domain mask */
+
+
+  if ((temp = add_deny(loc)) == NULL)
+    return;
+
+  temp->type            = AUTH_IP;
+  temp->mask.ip.address = address;
+  temp->mask.ip.netmask = netmask;
+
+  LogMessage(L_DEBUG, "DenyIP: %s deny %08x/%08x\n", loc->location,
+             address, netmask);
+}
+
+
+/*
+ * 'FindBest()' - Find the location entry that best matches the resource.
+ */
+
+location_t *			/* O - Location that matches */
+FindBest(const char   *path,	/* I - Resource path */
+         http_state_t state)	/* I - HTTP state/request */
+{
+  int		i;		/* Looping var */
+  char		uri[HTTP_MAX_URI],
+				/* URI in request... */
+		*uriptr;	/* Pointer into URI */
+  location_t	*loc,		/* Current location */
+		*best;		/* Best match for location so far */
+  int		bestlen;	/* Length of best match */
+  int		limit;		/* Limit field */
+  static int	limits[] =	/* Map http_status_t to AUTH_LIMIT_xyz */
+		{
+		  AUTH_LIMIT_ALL,
+		  AUTH_LIMIT_OPTIONS,
+		  AUTH_LIMIT_GET,
+		  AUTH_LIMIT_GET,
+		  AUTH_LIMIT_HEAD,
+		  AUTH_LIMIT_POST,
+		  AUTH_LIMIT_POST,
+		  AUTH_LIMIT_POST,
+		  AUTH_LIMIT_PUT,
+		  AUTH_LIMIT_PUT,
+		  AUTH_LIMIT_DELETE,
+		  AUTH_LIMIT_TRACE,
+		  AUTH_LIMIT_ALL,
+		  AUTH_LIMIT_ALL
+		};
+
+
+ /*
+  * First copy the connection URI to a local string so we have drop
+  * any .ppd extension from the pathname in /printers or /classes
+  * URIs...
+  */
+
+  strncpy(uri, path, sizeof(uri) - 1);
+  uri[sizeof(uri) - 1] = '\0';
+
+  if (strncmp(uri, "/printers/", 10) == 0 ||
+      strncmp(uri, "/classes/", 9) == 0)
+  {
+   /*
+    * Check if the URI has .ppd on the end...
+    */
+
+    uriptr = uri + strlen(uri) - 4; /* len > 4 if we get here... */
+
+    if (strcmp(uriptr, ".ppd") == 0)
+      *uriptr = '\0';
+  }
+
+  LogMessage(L_DEBUG2, "FindBest: uri = \"%s\"...", uri);
+
+ /*
+  * Loop through the list of locations to find a match...
+  */
+
+  limit   = limits[state];
+  best    = NULL;
+  bestlen = 0;
+
+  for (i = NumLocations, loc = Locations; i > 0; i --, loc ++)
+  {
+    LogMessage(L_DEBUG2, "FindBest: Location %s Limit %x",
+               loc->location, loc->limit);
+
+    if (loc->length > bestlen &&
+        strncmp(uri, loc->location, loc->length) == 0 &&
+	loc->location[0] == '/' &&
+	(limit & loc->limit) != 0)
+    {
+      best    = loc;
+      bestlen = loc->length;
+    }
+  }
+
+ /*
+  * Return the match, if any...
+  */
+
+  LogMessage(L_DEBUG2, "FindBest: best = \"%s\"",
+             best ? best->location : "NONE");
+
+  return (best);
+}
+
+
+/*
+ * 'FindLocation()' - Find the named location.
+ */
+
+location_t *				/* O - Location that matches */
+FindLocation(const char *location)	/* I - Connection */
+{
+  int		i;			/* Looping var */
+
+
+ /*
+  * Loop through the list of locations to find a match...
+  */
+
+  for (i = 0; i < NumLocations; i ++)
+    if (strcasecmp(Locations[i].location, location) == 0)
+      return (Locations + i);
+
+  return (NULL);
+}
+
+
+/*
+ * 'IsAuthorized()' - Check to see if the user is authorized...
+ */
+
+http_status_t			/* O - HTTP_OK if authorized or error code */
+IsAuthorized(client_t *con)	/* I - Connection */
+{
+  int		i, j,		/* Looping vars */
+		auth;		/* Authorization status */
+  unsigned	address;	/* Authorization address */
+  location_t	*best;		/* Best match for location so far */
+  int		hostlen;	/* Length of hostname */
+  struct passwd	*pw;		/* User password data */
+  struct group	*grp;		/* Group data */
+  char		nonce[HTTP_MAX_VALUE],
+				/* Nonce value from client */
+		md5[33],	/* MD5 password */
+		basicmd5[33];	/* MD5 of Basic password */
+#if HAVE_LIBPAM
+  pam_handle_t	*pamh;		/* PAM authentication handle */
+  int		pamerr;		/* PAM error code */
+  struct pam_conv pamdata;	/* PAM conversation data */
+#elif defined(HAVE_USERSEC_H)
+  char		*authmsg;	/* Authentication message */
+  char		*loginmsg;	/* Login message */
+  int		reenter;	/* ??? */
+#else
+  char		*pass;		/* Encrypted password */
+#  ifdef HAVE_SHADOW_H
+  struct spwd	*spw;		/* Shadow password data */
+#  endif /* HAVE_SHADOW_H */
+#endif /* HAVE_LIBPAM */
+  static const char *states[] =	/* HTTP client states... */
+		{
+		  "WAITING",
+		  "OPTIONS",
+		  "GET",
+		  "GET",
+		  "HEAD",
+		  "POST",
+		  "POST",
+		  "POST",
+		  "PUT",
+		  "PUT",
+		  "DELETE",
+		  "TRACE",
+		  "CLOSE",
+		  "STATUS"
+		};
+
+
+  LogMessage(L_DEBUG2, "IsAuthorized: con->uri = \"%s\"", con->uri);
+
+ /*
+  * Find a matching location; if there is no match then access is
+  * not authorized...
+  */
+
+  if ((best = FindBest(con->uri, con->http.state)) == NULL)
+    return (HTTP_FORBIDDEN);
+
+ /*
+  * Check host/ip-based accesses...
+  */
+
+  address = ntohl(con->http.hostaddr.sin_addr.s_addr);
+  hostlen = strlen(con->http.hostname);
+
+  if (address == 0x7f000001 || strcasecmp(con->http.hostname, "localhost") == 0)
+  {
+   /*
+    * Access from localhost (127.0.0.1) is always allowed...
+    */
+
+    auth = AUTH_ALLOW;
+  }
+  else if (best->num_allow == 0 && best->num_deny == 0)
+  {
+   /*
+    * No allow/deny lines - allow access...
+    */
+
+    auth = AUTH_ALLOW;
+  }
+  else
+  {
+   /*
+    * Do authorization checks on the domain/address...
+    */
+
+    switch (best->order_type)
+    {
+      default :
+	  auth = AUTH_DENY;	/* anti-compiler-warning-code */
+	  break;
+
+      case AUTH_ALLOW : /* Order Deny,Allow */
+          auth = AUTH_ALLOW;
+
+          if (CheckAuth(address, con->http.hostname, hostlen,
+	          	best->num_deny, best->deny))
+	    auth = AUTH_DENY;
+
+          if (CheckAuth(address, con->http.hostname, hostlen,
+	        	best->num_allow, best->allow))
+	    auth = AUTH_ALLOW;
+	  break;
+
+      case AUTH_DENY : /* Order Allow,Deny */
+          auth = AUTH_DENY;
+
+          if (CheckAuth(address, con->http.hostname, hostlen,
+	        	best->num_allow, best->allow))
+	    auth = AUTH_ALLOW;
+
+          if (CheckAuth(address, con->http.hostname, hostlen,
+	        	best->num_deny, best->deny))
+	    auth = AUTH_DENY;
+	  break;
+    }
+  }
+
+  LogMessage(L_DEBUG2, "IsAuthorized: auth = %d, satisfy=%d...",
+             auth, best->satisfy);
+
+  if (auth == AUTH_DENY && best->satisfy == AUTH_SATISFY_ALL)
+    return (HTTP_FORBIDDEN);
+
+#ifdef HAVE_LIBSSL
+ /*
+  * See if encryption is required...
+  */
+
+  if (best->encryption >= HTTP_ENCRYPT_REQUIRED && !con->http.tls)
+  {
+    LogMessage(L_DEBUG2, "IsAuthorized: Need upgrade to TLS...");
+    return (HTTP_UPGRADE_REQUIRED);
+  }
+#endif /* HAVE_LIBSSL */
+
+ /*
+  * Now see what access level is required...
+  */
+
+  if (best->level == AUTH_ANON)		/* Anonymous access - allow it */
+    return (HTTP_OK);
+
+  LogMessage(L_DEBUG2, "IsAuthorized: username = \"%s\" password = %d chars",
+	     con->username, strlen(con->password));
+  DEBUG_printf(("IsAuthorized: username = \"%s\", password = \"%s\"\n",
+		con->username, con->password));
+
+  if (con->username[0] == '\0')
+  {
+    if (best->satisfy == AUTH_SATISFY_ALL || auth == AUTH_DENY)
+      return (HTTP_UNAUTHORIZED);	/* Non-anonymous needs user/pass */
+    else
+      return (HTTP_OK);			/* unless overridden with Satisfy */
+  }
+
+ /*
+  * Check the user's password...
+  */
+
+  LogMessage(L_DEBUG2, "IsAuthorized: Checking \"%s\", address = %08x, hostname = \"%s\"",
+             con->username, address, con->http.hostname);
+
+  pw = NULL;
+
+  if ((address != 0x7f000001 &&
+       strcasecmp(con->http.hostname, "localhost") != 0) ||
+      strncmp(con->http.fields[HTTP_FIELD_AUTHORIZATION], "Local", 5) != 0)
+  {
+   /*
+    * Not doing local certificate-based authentication; check the password...
+    */
+
+    if (!con->password[0])
+      return (HTTP_UNAUTHORIZED);
+
+   /*
+    * See what kind of authentication we are doing...
+    */
+
+    switch (best->type)
+    {
+      case AUTH_BASIC :
+	 /*
+	  * Get the user info...
+	  */
+
+	  pw = getpwnam(con->username);	/* Get the current password */
+	  endpwent();				/* Close the password file */
+
+	  if (pw == NULL)			/* No such user... */
+	  {
+	    LogMessage(L_WARN, "IsAuthorized: Unknown username \"%s\"; access denied.",
+        	       con->username);
+	    return (HTTP_UNAUTHORIZED);
+	  }
+
+#if HAVE_LIBPAM
+	 /*
+	  * Only use PAM to do authentication.  This allows MD5 passwords, among
+	  * other things...
+	  */
+
+	  pamdata.conv        = pam_func;
+	  pamdata.appdata_ptr = con;
+
+#  ifdef __hpux
+	 /*
+	  * Workaround for HP-UX bug in pam_unix; see pam_conv() below for
+	  * more info...
+	  */
+
+	  auth_client = con;
+#  endif /* __hpux */
+
+	  DEBUG_printf(("IsAuthorized: Setting appdata_ptr = %p\n", con));
+
+	  pamerr = pam_start("cups", con->username, &pamdata, &pamh);
+	  if (pamerr != PAM_SUCCESS)
+	  {
+	    LogMessage(L_ERROR, "IsAuthorized: pam_start() returned %d (%s)!\n",
+        	       pamerr, pam_strerror(pamh, pamerr));
+	    pam_end(pamh, 0);
+	    return (HTTP_UNAUTHORIZED);
+	  }
+
+	  pamerr = pam_authenticate(pamh, PAM_SILENT);
+	  if (pamerr != PAM_SUCCESS)
+	  {
+	    LogMessage(L_ERROR, "IsAuthorized: pam_authenticate() returned %d (%s)!\n",
+        	       pamerr, pam_strerror(pamh, pamerr));
+	    pam_end(pamh, 0);
+	    return (HTTP_UNAUTHORIZED);
+	  }
+
+	  pamerr = pam_acct_mgmt(pamh, PAM_SILENT);
+	  if (pamerr != PAM_SUCCESS)
+	  {
+	    LogMessage(L_ERROR, "IsAuthorized: pam_acct_mgmt() returned %d (%s)!\n",
+        	       pamerr, pam_strerror(pamh, pamerr));
+	    pam_end(pamh, 0);
+	    return (HTTP_UNAUTHORIZED);
+	  }
+
+	  pam_end(pamh, PAM_SUCCESS);
+#elif defined(HAVE_USERSEC_H)
+	 /*
+	  * Use AIX authentication interface...
+	  */
+
+	  LogMessage(L_DEBUG, "IsAuthorized: AIX authenticate of username \"%s\"",
+                     con->username);
+
+	  reenter = 1;
+	  if (authenticate(con->username, con->password, &reenter, &authmsg) != 0)
+	  {
+	    LogMessage(L_DEBUG, "IsAuthorized: Unable to authenticate username \"%s\": %s",
+	               con->username, strerror(errno));
+	    return (HTTP_UNAUTHORIZED);
+	  }
+#else
+#  ifdef HAVE_SHADOW_H
+	  spw = getspnam(con->username);
+	  endspent();
+
+	  if (spw == NULL && strcmp(pw->pw_passwd, "x") == 0)
+	  {					/* Don't allow blank passwords! */
+	    LogMessage(L_WARN, "IsAuthorized: Username \"%s\" has no shadow password; access denied.",
+        	       con->username);
+	    return (HTTP_UNAUTHORIZED);	/* No such user or bad shadow file */
+	  }
+
+#    ifdef DEBUG
+	  if (spw != NULL)
+	    printf("spw->sp_pwdp = \"%s\"\n", spw->sp_pwdp);
+	  else
+	    puts("spw = NULL");
+#    endif /* DEBUG */
+
+	  if (spw != NULL && spw->sp_pwdp[0] == '\0' && pw->pw_passwd[0] == '\0')
+#  else
+	  if (pw->pw_passwd[0] == '\0')
+#  endif /* HAVE_SHADOW_H */
+	  {					/* Don't allow blank passwords! */
+	    LogMessage(L_WARN, "IsAuthorized: Username \"%s\" has no password; access denied.",
+        	       con->username);
+	    return (HTTP_UNAUTHORIZED);
+	  }
+
+	 /*
+	  * OK, the password isn't blank, so compare with what came from the client...
+	  */
+
+	  pass = cups_crypt(con->password, pw->pw_passwd);
+
+	  LogMessage(L_DEBUG2, "IsAuthorized: pw_passwd = %s, crypt = %s",
+		     pw->pw_passwd, pass);
+
+	  if (pass == NULL || strcmp(pw->pw_passwd, pass) != 0)
+	  {
+#  ifdef HAVE_SHADOW_H
+	    if (spw != NULL)
+	    {
+	      pass = cups_crypt(con->password, spw->sp_pwdp);
+
+	      LogMessage(L_DEBUG2, "IsAuthorized: sp_pwdp = %s, crypt = %s",
+			 spw->sp_pwdp, pass);
+
+	      if (pass == NULL || strcmp(spw->sp_pwdp, pass) != 0)
+		return (HTTP_UNAUTHORIZED);
+	    }
+	    else
+#  endif /* HAVE_SHADOW_H */
+	      return (HTTP_UNAUTHORIZED);
+	  }
+#endif /* HAVE_LIBPAM */
+          break;
+
+      case AUTH_DIGEST :
+	 /*
+	  * Do Digest authentication...
+	  */
+
+	  if (!httpGetSubField(&(con->http), HTTP_FIELD_AUTHORIZATION, "nonce",
+                               nonce))
+	  {
+            LogMessage(L_ERROR, "IsAuthorized: No nonce value for Digest authentication!");
+            return (HTTP_UNAUTHORIZED);
+	  }
+
+	  if (strcmp(con->http.hostname, nonce) != 0)
+	  {
+            LogMessage(L_ERROR, "IsAuthorized: Nonce value error!");
+            LogMessage(L_ERROR, "IsAuthorized: Expected \"%s\",",
+	               con->http.hostname);
+            LogMessage(L_ERROR, "IsAuthorized: Got \"%s\"!", nonce);
+            return (HTTP_UNAUTHORIZED);
+	  }
+
+	  LogMessage(L_DEBUG2, "IsAuthorized: nonce = \"%s\"", nonce);
+
+	  if (best->num_names && best->level == AUTH_GROUP)
+	  {
+            for (i = 0; i < best->num_names; i ++)
+	      if (get_md5_passwd(con->username, best->names[i], md5))
+		break;
+
+            if (i >= best->num_names)
+	      md5[0] = '\0';
+	  }
+	  else if (!get_md5_passwd(con->username, NULL, md5))
+	    md5[0] = '\0';
+
+
+	  if (!md5[0])
+	  {
+            LogMessage(L_ERROR, "IsAuthorized: No matching user:group for \"%s\" in passwd.md5!",
+	               con->username);
+            return (HTTP_UNAUTHORIZED);
+	  }
+
+	  httpMD5Final(nonce, states[con->http.state], con->uri, md5);
+
+	  if (strcmp(md5, con->password) != 0)
+	  {
+            LogMessage(L_ERROR, "IsAuthorized: MD5s \"%s\" and \"%s\" don't match!",
+	               md5, con->password);
+            return (HTTP_UNAUTHORIZED);
+	  }
+          break;
+
+      case AUTH_BASICDIGEST :
+         /*
+	  * Do Basic authentication with the Digest password file...
+	  */
+
+	  if (best->num_names && best->level == AUTH_GROUP)
+	  {
+            for (i = 0; i < best->num_names; i ++)
+	      if (get_md5_passwd(con->username, best->names[i], md5))
+		break;
+
+            if (i >= best->num_names)
+	      md5[0] = '\0';
+	  }
+	  else if (!get_md5_passwd(con->username, NULL, md5))
+	    md5[0] = '\0';
+
+	  if (!md5[0])
+	  {
+            LogMessage(L_ERROR, "IsAuthorized: No matching user:group for \"%s\" in passwd.md5!",
+	               con->username);
+            return (HTTP_UNAUTHORIZED);
+	  }
+
+	  httpMD5(con->username, "CUPS", con->password, basicmd5);
+
+	  if (strcmp(md5, basicmd5) != 0)
+	  {
+            LogMessage(L_ERROR, "IsAuthorized: MD5s \"%s\" and \"%s\" don't match!",
+	               md5, basicmd5);
+            return (HTTP_UNAUTHORIZED);
+	  }
+	  break;
+    }
+  }
+  else
+  {
+   /*
+    * Get password entry for certificate-based auth...
+    */
+
+    pw = getpwnam(con->username);	/* Get the current password */
+    endpwent();				/* Close the password file */
+  }
+
+ /*
+  * OK, the password is good.  See if we need normal user access, or group
+  * access... (root always matches)
+  */
+
+  if (strcmp(con->username, "root") == 0)
+    return (HTTP_OK);
+
+  if (best->level == AUTH_USER)
+  {
+   /*
+    * If there are no names associated with this location, then
+    * any valid user is OK...
+    */
+
+    LogMessage(L_DEBUG2, "IsAuthorized: Checking user membership...");
+
+    if (best->num_names == 0)
+      return (HTTP_OK);
+
+   /*
+    * Otherwise check the user list and return OK if this user is
+    * allowed...
+    */
+
+    for (i = 0; i < best->num_names; i ++)
+      if (strcmp(con->username, best->names[i]) == 0)
+        return (HTTP_OK);
+
+    return (HTTP_UNAUTHORIZED);
+  }
+
+  if (best->type == AUTH_BASIC)
+  {
+   /*
+    * Check to see if this user is in any of the named groups...
+    */
+
+    LogMessage(L_DEBUG2, "IsAuthorized: Checking group membership...");
+
+    for (i = 0; i < best->num_names; i ++)
+    {
+      grp = getgrnam(best->names[i]);
+      endgrent();
+
+      if (grp == NULL)			/* No group by that name??? */
+      {
+	LogMessage(L_WARN, "IsAuthorized: group name \"%s\" does not exist!",
+        	   best->names[i]);
+	return (HTTP_FORBIDDEN);
+      }
+
+      for (j = 0; grp->gr_mem[j] != NULL; j ++)
+	if (strcmp(con->username, grp->gr_mem[j]) == 0)
+	  return (HTTP_OK);
+
+     /*
+      * Check to see if the default group ID matches for the user...
+      */
+
+      if (grp->gr_gid == pw->pw_gid)
+	return (HTTP_OK);
+    }
+
+   /*
+    * The user isn't part of the specified group, so deny access...
+    */
+
+    LogMessage(L_DEBUG2, "IsAuthorized: user not in group!");
+
+    return (HTTP_UNAUTHORIZED);
+  }
+
+ /*
+  * All checks passed...
+  */
+
+  return (HTTP_OK);
+}
+
+
+/*
+ * 'add_allow()' - Add an allow mask to the location.
+ */
+
+static authmask_t *		/* O - New mask record */
+add_allow(location_t *loc)	/* I - Location to add to */
+{
+  authmask_t	*temp;		/* New mask record */
+
+
+ /*
+  * Range-check...
+  */
+
+  if (loc == NULL)
+    return (NULL);
+
+ /*
+  * Try to allocate memory for the record...
+  */
+
+  if (loc->num_allow == 0)
+    temp = malloc(sizeof(authmask_t));
+  else
+    temp = realloc(loc->allow, sizeof(authmask_t) * (loc->num_allow + 1));
+
+  if (temp == NULL)
+    return (NULL);
+
+  loc->allow = temp;
+  temp       += loc->num_allow;
+  loc->num_allow ++;
+
+ /*
+  * Clear the mask record and return...
+  */
+
+  memset(temp, 0, sizeof(authmask_t));
+  return (temp);
+}
+
+
+/*
+ * 'add_deny()' - Add a deny mask to the location.
+ */
+
+static authmask_t *		/* O - New mask record */
+add_deny(location_t *loc)	/* I - Location to add to */
+{
+  authmask_t	*temp;		/* New mask record */
+
+
+ /*
+  * Range-check...
+  */
+
+  if (loc == NULL)
+    return (NULL);
+
+ /*
+  * Try to allocate memory for the record...
+  */
+
+  if (loc->num_deny == 0)
+    temp = malloc(sizeof(authmask_t));
+  else
+    temp = realloc(loc->deny, sizeof(authmask_t) * (loc->num_deny + 1));
+
+  if (temp == NULL)
+    return (NULL);
+
+  loc->deny = temp;
+  temp      += loc->num_deny;
+  loc->num_deny ++;
+
+ /*
+  * Clear the mask record and return...
+  */
+
+  memset(temp, 0, sizeof(authmask_t));
+  return (temp);
+}
+
+
+#if !HAVE_LIBPAM
+/*
+ * 'cups_crypt()' - Encrypt the password using the DES or MD5 algorithms,
+ *                  as needed.
+ */
+
+static char *			/* O - Encrypted password */
+cups_crypt(const char *pw,	/* I - Password string */
+           const char *salt)	/* I - Salt (key) string */
+{
+  if (strncmp(salt, "$1$", 3) == 0)
+  {
+   /*
+    * Use MD5 passwords without the benefit of PAM; this is for
+    * Slackware Linux, and the algorithm was taken from the
+    * old shadow-19990827/lib/md5crypt.c source code... :(
+    */
+
+    int		i;		/* Looping var */
+    unsigned long n;		/* Output number */
+    int		pwlen;		/* Length of password string */
+    const char	*salt_end;	/* End of "salt" data for MD5 */
+    char	*ptr;		/* Pointer into result string */
+    md5_state_t state;		/* Primary MD5 state info */
+    md5_state_t state2;		/* Secondary MD5 state info */
+    md5_byte_t	digest[16];	/* MD5 digest result */
+    static char	result[120];	/* Final password string */
+
+
+   /*
+    * Get the salt data between dollar signs, e.g. $1$saltdata$md5.
+    * Get a maximum of 8 characters of salt data after $1$...
+    */
+
+    for (salt_end = salt + 3; *salt_end && (salt_end - salt) < 11; salt_end ++)
+      if (*salt_end == '$')
+        break;
+
+   /*
+    * Compute the MD5 sum we need...
+    */
+
+    pwlen = strlen(pw);
+
+    md5_init(&state);
+    md5_append(&state, pw, pwlen);
+    md5_append(&state, salt, salt_end - salt);
+
+    md5_init(&state2);
+    md5_append(&state2, pw, pwlen);
+    md5_append(&state2, salt + 3, salt_end - salt - 3);
+    md5_append(&state2, pw, pwlen);
+    md5_finish(&state2, digest);
+
+    for (i = pwlen; i > 0; i -= 16)
+      md5_append(&state, digest, i > 16 ? 16 : i);
+
+    for (i = pwlen; i > 0; i >>= 1)
+      md5_append(&state, (i & 1) ? "" : pw, 1);
+
+    md5_finish(&state, digest);
+
+    for (i = 0; i < 1000; i ++)
+    {
+      md5_init(&state);
+
+      if (i & 1)
+        md5_append(&state, pw, pwlen);
+      else
+        md5_append(&state, digest, 16);
+
+      if (i % 3)
+        md5_append(&state, salt + 3, salt_end - salt - 3);
+
+      if (i % 7)
+        md5_append(&state, pw, pwlen);
+
+      if (i & 1)
+        md5_append(&state, digest, 16);
+      else
+        md5_append(&state, pw, pwlen);
+
+      md5_finish(&state, digest);
+    }
+
+   /*
+    * Copy the final sum to the result string and return...
+    */
+
+    memcpy(result, salt, salt_end - salt);
+    ptr = result + (salt_end - salt);
+    *ptr++ = '$';
+
+    for (i = 0; i < 5; i ++, ptr += 4)
+    {
+      n = (((digest[i] << 8) | digest[i + 6]) << 8);
+
+      if (i < 4)
+        n |= digest[i + 12];
+      else
+        n |= digest[5];
+
+      to64(ptr, n, 4);
+    }
+
+    to64(ptr, digest[11], 2);
+    ptr += 2;
+    *ptr = '\0';
+
+    return (result);
+  }
+  else
+  {
+   /*
+    * Use the standard crypt() function...
+    */
+
+    return (crypt(pw, salt));
+  }
+}
+#endif /* !HAVE_LIBPAM */
+
+
+/*
+ * 'get_md5_passwd()' - Get an MD5 password.
+ */
+
+static char *				/* O - MD5 password string */
+get_md5_passwd(const char *username,	/* I - Username */
+               const char *group,	/* I - Group */
+               char       passwd[33])	/* O - MD5 password string */
+{
+  FILE	*fp;				/* passwd.md5 file */
+  char	filename[1024],			/* passwd.md5 filename */
+	line[256],			/* Line from file */
+	tempuser[33],			/* User from file */
+	tempgroup[33];			/* Group from file */
+
+
+  snprintf(filename, sizeof(filename), "%s/passwd.md5", ServerRoot);
+  if ((fp = fopen(filename, "r")) == NULL)
+    return (NULL);
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+    if (sscanf(line, "%32[^:]:%32[^:]:%32s", tempuser, tempgroup, passwd) != 3)
+      continue;
+
+    if (strcmp(username, tempuser) == 0 &&
+        (group == NULL || strcmp(group, tempgroup) == 0))
+    {
+     /*
+      * Found the password entry!
+      */
+
+      fclose(fp);
+      return (passwd);
+    }
+  }
+
+ /*
+  * Didn't find a password entry - return NULL!
+  */
+
+  fclose(fp);
+  return (NULL);
+}
+
+
+#if HAVE_LIBPAM
+/*
+ * 'pam_func()' - PAM conversation function.
+ */
+
+static int					/* O - Success or failure */
+pam_func(int                      num_msg,	/* I - Number of messages */
+         const struct pam_message **msg,	/* I - Messages */
+         struct pam_response      **resp,	/* O - Responses */
+         void                     *appdata_ptr)	/* I - Pointer to connection */
+{
+  int			i;			/* Looping var */
+  struct pam_response	*replies;		/* Replies */
+  client_t		*client;		/* Pointer client connection */
+
+
+ /*
+  * Allocate memory for the responses...
+  */
+
+  if ((replies = malloc(sizeof(struct pam_response) * num_msg)) == NULL)
+    return (PAM_CONV_ERR);
+
+ /*
+  * Answer all of the messages...
+  */
+
+  DEBUG_printf(("pam_func: appdata_ptr = %p\n", appdata_ptr));
+
+#ifdef __hpux
+ /*
+  * Apparently some versions of HP-UX 11 have a broken pam_unix security
+  * module.  This is a workaround...
+  */
+
+  client = auth_client;
+  (void)appdata_ptr;
+#else
+  client = (client_t *)appdata_ptr;
+#endif /* __hpux */
+
+  for (i = 0; i < num_msg; i ++)
+  {
+    DEBUG_printf(("pam_func: Message = \"%s\"\n", msg[i]->msg));
+
+    switch (msg[i]->msg_style)
+    {
+      case PAM_PROMPT_ECHO_ON:
+          DEBUG_printf(("pam_func: PAM_PROMPT_ECHO_ON, returning \"%s\"...\n",
+	                client->username));
+          replies[i].resp_retcode = PAM_SUCCESS;
+          replies[i].resp         = strdup(client->username);
+          break;
+
+      case PAM_PROMPT_ECHO_OFF:
+          DEBUG_printf(("pam_func: PAM_PROMPT_ECHO_OFF, returning \"%s\"...\n",
+	                client->password));
+          replies[i].resp_retcode = PAM_SUCCESS;
+          replies[i].resp         = strdup(client->password);
+          break;
+
+      case PAM_TEXT_INFO:
+          DEBUG_puts("pam_func: PAM_TEXT_INFO...");
+          replies[i].resp_retcode = PAM_SUCCESS;
+          replies[i].resp         = NULL;
+          break;
+
+      case PAM_ERROR_MSG:
+          DEBUG_puts("pam_func: PAM_ERROR_MSG...");
+          replies[i].resp_retcode = PAM_SUCCESS;
+          replies[i].resp         = NULL;
+          break;
+
+      default:
+          DEBUG_printf(("pam_func: Unknown PAM message %d...\n",
+	                msg[i]->msg_style));
+          free(replies);
+          return (PAM_CONV_ERR);
+    }
+  }
+
+ /*
+  * Return the responses back to PAM...
+  */
+
+  *resp = replies;
+
+  return (PAM_SUCCESS);
+}
+#else
+
+
+/*
+ * 'to64()' - Base64-encode an integer value...
+ */
+
+static void
+to64(char          *s,	/* O - Output string */
+     unsigned long v,	/* I - Value to encode */
+     int           n)	/* I - Number of digits */
+{
+  const char	*itoa64 = "./0123456789"
+                          "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                          "abcdefghijklmnopqrstuvwxyz";
+
+
+  for (; n > 0; n --, v >>= 6)
+    *s++ = itoa64[v & 0x3f];
+}
+#endif /* HAVE_LIBPAM */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/auth.h b/scheduler/auth.h
new file mode 100644
index 000000000..d792bdcaf
--- /dev/null
+++ b/scheduler/auth.h
@@ -0,0 +1,136 @@
+/*
+ * "$Id$"
+ *
+ *   Authorization definitions for the Common UNIX Printing System (CUPS)
+ *   scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * HTTP authorization types and levels...
+ */
+
+#define AUTH_NONE		0	/* No authentication */
+#define AUTH_BASIC		1	/* Basic authentication */
+#define AUTH_DIGEST		2	/* Digest authentication */
+#define AUTH_BASICDIGEST	3	/* Basic authentication w/passwd.md5 */
+
+#define AUTH_ANON		0	/* Anonymous access */
+#define AUTH_USER		1	/* Must have a valid username/password */
+#define AUTH_GROUP		2	/* Must also be in a named group */
+
+#define AUTH_ALLOW		0	/* Allow access */
+#define AUTH_DENY		1	/* Deny access */
+
+#define AUTH_NAME		0	/* Authorize host by name */
+#define AUTH_IP			1	/* Authorize host by IP */
+
+#define AUTH_SATISFY_ALL	0	/* Satisfy both address and auth */
+#define AUTH_SATISFY_ANY	1	/* Satisfy either address or auth */
+
+#define AUTH_LIMIT_DELETE	1	/* Limit DELETE requests */
+#define AUTH_LIMIT_GET		2	/* Limit GET requests */
+#define AUTH_LIMIT_HEAD		4	/* Limit HEAD requests */
+#define AUTH_LIMIT_OPTIONS	8	/* Limit OPTIONS requests */
+#define AUTH_LIMIT_POST		16	/* Limit POST requests */
+#define AUTH_LIMIT_PUT		32	/* Limit PUT requests */
+#define AUTH_LIMIT_TRACE	64	/* Limit TRACE requests */
+#define AUTH_LIMIT_ALL		127	/* Limit all requests */
+
+
+/*
+ * HTTP access control structures...
+ */
+
+typedef struct
+{
+  unsigned	address,		/* IP address */
+		netmask;		/* IP netmask */
+} ipmask_t;
+
+typedef struct
+{
+  int		length;			/* Length of name */
+  char		*name;			/* Name string */
+} namemask_t;
+
+typedef struct
+{
+  int		type;			/* Mask type */
+  union
+  {
+    namemask_t	name;			/* Host/Domain name */
+    ipmask_t	ip;			/* IP address/network */
+  }		mask;			/* Mask data */
+} authmask_t;
+
+typedef struct
+{
+  char		location[HTTP_MAX_URI];	/* Location of resource */
+  int		limit,			/* Limit for these types of requests */
+		length,			/* Length of location string */
+		order_type,		/* Allow or Deny */
+		type,			/* Type of authentication */
+		level,			/* Access level required */
+		satisfy;		/* Satisfy any or all limits? */
+  int		num_names;		/* Number of names */
+  char		**names;		/* User or group names */
+  int		num_allow;		/* Number of Allow lines */
+  authmask_t	*allow;			/* Allow lines */
+  int		num_deny;		/* Number of Deny lines */
+  authmask_t	*deny;			/* Deny lines */
+  http_encryption_t encryption;		/* To encrypt or not to encrypt... */
+} location_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR int			NumLocations	VALUE(0);
+					/* Number of authorization locations */
+VAR location_t		*Locations	VALUE(NULL);
+					/* Authorization locations */
+
+
+/*
+ * Prototypes...
+ */
+
+extern location_t	*AddLocation(const char *location);
+extern void		AddName(location_t *loc, char *name);
+extern void		AllowHost(location_t *loc, char *name);
+extern void		AllowIP(location_t *loc, unsigned address,
+			        unsigned netmask);
+extern int		CheckAuth(unsigned ip, char *name, int namelen,
+				  int num_masks, authmask_t *masks);
+extern location_t	*CopyLocation(location_t **loc);
+extern void		DeleteAllLocations(void);
+extern void		DenyHost(location_t *loc, char *name);
+extern void		DenyIP(location_t *loc, unsigned address,
+			       unsigned netmask);
+extern location_t	*FindBest(const char *path, http_state_t state);
+extern location_t	*FindLocation(const char *location);
+extern http_status_t	IsAuthorized(client_t *con);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/banners.c b/scheduler/banners.c
new file mode 100644
index 000000000..ff9632c14
--- /dev/null
+++ b/scheduler/banners.c
@@ -0,0 +1,216 @@
+/*
+ * "$Id$"
+ *
+ *   Banner routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddBanner()   - Add a banner to the array.
+ *   FindBanner()  - Find a named banner.
+ *   LoadBanners() - Load all available banner files...
+ *   compare()     - Compare two banners.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare(const banner_t *b0, const banner_t *b1);
+
+
+/*
+ * 'AddBanner()' - Add a banner to the array.
+ */
+
+void
+AddBanner(const char *name,	/* I - Name of banner */
+          const char *filename)	/* I - Filename for banner */
+{
+  mime_type_t	*filetype;	/* Filetype */
+  banner_t	*temp;		/* New banner data */
+
+
+ /*
+  * See what the filetype is...
+  */
+
+  if ((filetype = mimeFileType(MimeDatabase, filename)) == NULL)
+  {
+    LogMessage(L_WARN, "AddBanner: Banner \"%s\" is of an unknown file type - skipping!",
+               name);
+    return;
+  }
+
+ /*
+  * Allocate memory...
+  */
+
+  if (NumBanners == 0)
+    temp = malloc(sizeof(banner_t));
+  else
+    temp = realloc(Banners, sizeof(banner_t) * (NumBanners + 1));
+
+  if (temp == NULL)
+  {
+    LogMessage(L_ERROR, "AddBanner: Ran out of memory adding a banner!");
+    return;
+  }
+
+ /*
+  * Copy the new banner data over...
+  */
+
+  Banners = temp;
+  temp    += NumBanners;
+  NumBanners ++;
+
+  memset(temp, 0, sizeof(banner_t));
+  strncpy(temp->name, name, sizeof(temp->name) - 1);
+  temp->filetype = filetype;
+}
+
+
+/*
+ * 'FindBanner()' - Find a named banner.
+ */
+
+banner_t *			/* O - Pointer to banner or NULL */
+FindBanner(const char *name)	/* I - Name of banner */
+{
+  banner_t	key;		/* Search key */
+
+
+  strncpy(key.name, name, sizeof(key.name) - 1);
+  key.name[sizeof(key.name) - 1] = '\0';
+
+  return ((banner_t *)bsearch(&key, Banners, NumBanners, sizeof(banner_t),
+                              (int (*)(const void *, const void *))compare));
+}
+
+
+/*
+ * 'LoadBanners()' - Load all available banner files...
+ */
+
+void
+LoadBanners(const char *d)	/* I - Directory to search */
+{
+  DIR		*dir;		/* Directory pointer */
+  DIRENT	*dent;		/* Directory entry */
+  char		filename[1024],	/* Name of banner */
+		*ext;		/* Pointer to extension */
+  struct stat	fileinfo;	/* File information */
+
+
+ /*
+  * Free old banner info...
+  */
+
+  if (NumBanners)
+  {
+    free(Banners);
+    NumBanners = 0;
+  }
+
+ /*
+  * Try opening the banner directory...
+  */
+
+  if ((dir = opendir(d)) == NULL)
+  {
+    LogMessage(L_ERROR, "LoadBanners: Unable to open banner directory \"%s\": %s",
+               d, strerror(errno));
+    return;
+  }
+
+ /*
+  * Read entries, skipping directories and backup files.
+  */
+
+  while ((dent = readdir(dir)) != NULL)
+  {
+   /*
+    * Check the file to make sure it isn't a directory or a backup
+    * file of some sort...
+    */
+
+    snprintf(filename, sizeof(filename), "%s/%s", d, dent->d_name);
+
+    if (stat(filename, &fileinfo))
+    {
+      LogMessage(L_WARN, "LoadBanners: Unable to state \"%s\" banner: %s",
+                 dent->d_name, strerror(errno));
+      continue;
+    }
+
+    if (S_ISDIR(fileinfo.st_mode))
+      continue;
+
+    if (dent->d_name[0] == '~')
+      continue;
+
+    if ((ext = strrchr(dent->d_name, '.')) != NULL)
+      if (strcmp(ext, ".bck") == 0 ||
+          strcmp(ext, ".bak") == 0 ||
+	  strcmp(ext, ".sav") == 0)
+	continue;
+
+   /*
+    * Must be a valid file; add it!
+    */
+
+    AddBanner(dent->d_name, filename);
+  }
+
+ /*
+  * Close the directory and sort as needed...
+  */
+
+  closedir(dir);
+
+  if (NumBanners > 1)
+    qsort(Banners, NumBanners, sizeof(banner_t),
+          (int (*)(const void *, const void *))compare);
+}
+
+
+/*
+ * 'compare()' - Compare two banners.
+ */
+
+static int			/* O - -1 if name0 < name1, etc. */
+compare(const banner_t *b0,	/* I - First banner */
+        const banner_t *b1)	/* I - Second banner */
+{
+  return (strcasecmp(b0->name, b1->name));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/banners.h b/scheduler/banners.h
new file mode 100644
index 000000000..ababc82c5
--- /dev/null
+++ b/scheduler/banners.h
@@ -0,0 +1,57 @@
+/*
+ * "$Id$"
+ *
+ *   Banner definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Banner information structure...
+ */
+
+typedef struct
+{
+  char		name[256];	/* Name of banner */
+  mime_type_t	*filetype;	/* Filetype for banner */
+} banner_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR int		NumBanners	VALUE(0);
+				/* Number of banner files available */
+VAR banner_t	*Banners	VALUE(NULL);
+				/* Available banner files */
+
+
+/*
+ * Prototypes...
+ */
+
+extern void	AddBanner(const char *name, const char *filename);
+extern banner_t	*FindBanner(const char *name);
+extern void	LoadBanners(const char *d);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/cert.c b/scheduler/cert.c
new file mode 100644
index 000000000..76fc2c7fd
--- /dev/null
+++ b/scheduler/cert.c
@@ -0,0 +1,275 @@
+/*
+ * "$Id$"
+ *
+ *   Authentication certificate routines for the Common UNIX
+ *   Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddCert()        - Add a certificate.
+ *   DeleteCert()     - Delete a single certificate.
+ *   DeleteAllCerts() - Delete all certificates...
+ *   FindCert()       - Find a certificate.
+ *   InitCerts()      - Initialize the certificate "system" and root
+ *                      certificate.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <grp.h>
+
+
+/*
+ * 'AddCert()' - Add a certificate.
+ */
+
+void
+AddCert(int        pid,			/* I - Process ID */
+        const char *username)		/* I - Username */
+{
+  int		i;			/* Looping var */
+  cert_t	*cert;			/* Current certificate */
+  FILE		*fp;			/* Certificate file */
+  char		filename[1024];		/* Certificate filename */
+  struct group	*grp;			/* System group */
+  static const char *hex = "0123456789ABCDEF";
+					/* Hex constants... */
+
+
+ /*
+  * Allocate memory for the certificate...
+  */
+
+  if ((cert = calloc(sizeof(cert_t), 1)) == NULL)
+    return;
+
+ /*
+  * Fill in the certificate information...
+  */
+
+  cert->pid = pid;
+  strncpy(cert->username, username, sizeof(cert->username) - 1);
+
+  for (i = 0; i < 32; i ++)
+    cert->certificate[i] = hex[random() & 15];
+
+ /*
+  * Save the certificate to a file readable only by the User and Group
+  * (or root and SystemGroup for PID == 0)...
+  */
+
+  snprintf(filename, sizeof(filename), "%s/certs/%d", ServerRoot, pid);
+
+  if ((fp = fopen(filename, "w")) == NULL)
+  {
+    free(cert);
+    return;
+  }
+
+  if (pid == 0)
+  {
+   /*
+    * Root certificate...
+    */
+
+    fchmod(fileno(fp), 0440);
+
+    if ((grp = getgrnam(SystemGroups[0])) == NULL)
+      fchown(fileno(fp), getuid(), 0);
+    else
+      fchown(fileno(fp), getuid(), grp->gr_gid);
+
+    endgrent();
+
+    RootCertTime = time(NULL);
+  }
+  else
+  {
+   /*
+    * CGI certificate...
+    */
+
+    fchmod(fileno(fp), 0400);
+    fchown(fileno(fp), User, Group);
+  }
+
+  fputs(cert->certificate, fp);
+  fclose(fp);
+
+ /*
+  * Insert the certificate at the front of the list...
+  */
+
+  cert->next = Certs;
+  Certs      = cert;
+}
+
+
+/*
+ * 'DeleteCert()' - Delete a single certificate.
+ */
+
+void
+DeleteCert(int pid)			/* I - Process ID */
+{
+  cert_t	*cert,			/* Current certificate */
+		*prev;			/* Previous certificate */
+  char		filename[1024];		/* Certificate file */
+
+
+  for (prev = NULL, cert = Certs; cert != NULL; prev = cert, cert = cert->next)
+    if (cert->pid == pid)
+    {
+     /*
+      * Remove this certificate from the list...
+      */
+
+      if (prev == NULL)
+        Certs = cert->next;
+      else
+        prev->next = cert->next;
+
+      free(cert);
+
+     /*
+      * Delete the file and return...
+      */
+
+      snprintf(filename, sizeof(filename), "%s/certs/%d", ServerRoot, pid);
+      unlink(filename);
+      return;
+    }
+}
+
+
+/*
+ * 'DeleteAllCerts()' - Delete all certificates...
+ */
+
+void
+DeleteAllCerts(void)
+{
+  cert_t	*cert,			/* Current certificate */
+		*next;			/* Next certificate */
+  char		filename[1024];		/* Certificate file */
+
+
+ /*
+  * Loop through each certificate, deleting them...
+  */
+
+  for (cert = Certs; cert != NULL; cert = next)
+  {
+   /*
+    * Delete the file...
+    */
+
+    snprintf(filename, sizeof(filename), "%s/certs/%d", ServerRoot, cert->pid);
+    unlink(filename);
+
+   /*
+    * Free memory...
+    */
+
+    next = cert->next;
+    free(cert);
+  }
+
+  Certs = NULL;
+}
+
+
+/*
+ * 'FindCert()' - Find a certificate.
+ */
+
+const char *				/* O - Matching username or NULL */
+FindCert(const char *certificate)	/* I - Certificate */
+{
+  cert_t	*cert;			/* Current certificate */
+
+
+  for (cert = Certs; cert != NULL; cert = cert->next)
+    if (strcasecmp(certificate, cert->certificate) == 0)
+      return (cert->username);
+
+  return (NULL);
+}
+
+
+/*
+ * 'InitCerts()' - Initialize the certificate "system" and root certificate.
+ */
+
+void
+InitCerts(void)
+{
+  FILE		*fp;			/* /dev/random file */
+  unsigned	seed;			/* Seed for random number generator */
+  struct timeval tod;			/* Time of day */
+
+
+ /*
+  * Initialize the random number generator using the random device or
+  * the current time, as available...
+  */
+
+  if ((fp = fopen("/dev/urandom", "rb")) == NULL)
+  {
+   /*
+    * Get the time in usecs and use it as the initial seed...
+    */
+
+    gettimeofday(&tod, NULL);
+
+    seed = (unsigned)(tod.tv_sec + tod.tv_usec);
+  }
+  else
+  {
+   /*
+    * Read 4 random characters from the random device and use
+    * them as the seed...
+    */
+
+    seed = getc(fp);
+    seed = (seed << 8) | getc(fp);
+    seed = (seed << 8) | getc(fp);
+    seed = (seed << 8) | getc(fp);
+
+    fclose(fp);
+  }
+
+  srandom(seed);
+
+ /*
+  * Create a root certificate and return...
+  */
+
+  AddCert(0, "root");
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/cert.h b/scheduler/cert.h
new file mode 100644
index 000000000..d078d53cc
--- /dev/null
+++ b/scheduler/cert.h
@@ -0,0 +1,60 @@
+/*
+ * "$Id$"
+ *
+ *   Authentication certificate definitions for the Common UNIX
+ *   Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Certificate structure...
+ */
+
+typedef struct cert_str
+{
+  struct cert_str *next;	/* Next certificate in list */
+  int		pid;		/* Process ID (0 for root certificate) */
+  char		certificate[33];/* 32 hex characters, or 128 bits */
+  char		username[33];	/* Authenticated username */
+} cert_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR cert_t	*Certs;		/* List of certificates */
+VAR time_t	RootCertTime;	/* Root certificate update time */
+
+
+/*
+ * Prototypes...
+ */
+
+extern void		AddCert(int pid, const char *username);
+extern void		DeleteCert(int pid);
+extern void		DeleteAllCerts(void);
+extern const char	*FindCert(const char *certificate);
+extern void		InitCerts(void);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/classes.c b/scheduler/classes.c
new file mode 100644
index 000000000..bbb37d394
--- /dev/null
+++ b/scheduler/classes.c
@@ -0,0 +1,695 @@
+/*
+ * "$Id$"
+ *
+ *   Printer class routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddClass()                 - Add a class to the system.
+ *   AddPrinterToClass()        - Add a printer to a class...
+ *   DeletePrinterFromClass()   - Delete a printer from a class.
+ *   DeletePrinterFromClasses() - Delete a printer from all classes.
+ *   DeleteAllClasses()         - Remove all classes from the system.
+ *   FindAvailablePrinter()     - Find an available printer in a class.
+ *   FindClass()                - Find the named class.
+ *   LoadAllClasses()           - Load classes from the classes.conf file.
+ *   SaveAllClasses()           - Save classes to the classes.conf file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * 'AddClass()' - Add a class to the system.
+ */
+
+printer_t *			/* O - New class */
+AddClass(const char *name)	/* I - Name of class */
+{
+  printer_t	*c;		/* New class */
+
+
+ /*
+  * Add the printer and set the type to "class"...
+  */
+
+  if ((c = AddPrinter(name)) != NULL)
+  {
+   /*
+    * Change from a printer to a class...
+    */
+
+    c->type = CUPS_PRINTER_CLASS;
+    snprintf(c->uri, sizeof(c->uri), "ipp://%s:%d/classes/%s", ServerName,
+             ntohs(Listeners[0].address.sin_port), name);
+
+   /*
+    * Set the printer attributes to make this a class.
+    */
+
+    SetPrinterAttrs(c);
+  }
+
+  return (c);
+}
+
+
+/*
+ * 'AddPrinterToClass()' - Add a printer to a class...
+ */
+
+void
+AddPrinterToClass(printer_t *c,	/* I - Class to add to */
+                  printer_t *p)	/* I - Printer to add */
+{
+  int		i;		/* Looping var */
+  printer_t	**temp;		/* Pointer to printer array */
+
+
+ /*
+  * See if this printer is already a member of the class...
+  */
+
+  for (i = 0; i < c->num_printers; i ++)
+    if (c->printers[i] == p)
+      return;
+
+ /*
+  * Allocate memory as needed...
+  */
+
+  if (c->num_printers == 0)
+    temp = malloc(sizeof(printer_t *));
+  else
+    temp = realloc(c->printers, sizeof(printer_t *) * (c->num_printers + 1));
+
+  if (temp == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to add printer %s to class %s!",
+               p->name, c->name);
+    return;
+  }
+
+ /*
+  * Add the printer to the end of the array and update the number of printers.
+  */
+
+  c->printers = temp;
+  temp        += c->num_printers;
+  c->num_printers ++;
+
+  *temp = p;
+
+ /*
+  * Update the IPP attributes...
+  */
+
+  SetPrinterAttrs(c);
+}
+
+
+/*
+ * 'DeletePrinterFromClass()' - Delete a printer from a class.
+ */
+
+void
+DeletePrinterFromClass(printer_t *c,	/* I - Class to delete from */
+                       printer_t *p)	/* I - Printer to delete */
+{
+  int		i;			/* Looping var */
+  cups_ptype_t	type;			/* Class type */
+
+
+ /*
+  * See if the printer is in the class...
+  */
+
+  for (i = 0; i < c->num_printers; i ++)
+    if (p == c->printers[i])
+      break;
+
+ /*
+  * If it is, remove it from the list...
+  */
+
+  if (i < c->num_printers)
+  {
+   /*
+    * Yes, remove the printer...
+    */
+
+    c->num_printers --;
+    if (i < c->num_printers)
+      memcpy(c->printers + i, c->printers + i + 1,
+             (c->num_printers - i) * sizeof(printer_t *));
+  }
+
+ /*
+  * Recompute the printer type mask as needed...
+  */
+
+  if (c->num_printers > 0)
+  {
+    type    = c->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT);
+    c->type = ~CUPS_PRINTER_REMOTE;
+
+    for (i = 0; i < c->num_printers; i ++)
+      c->type &= c->printers[i]->type;
+
+    c->type |= type;
+
+   /*
+    * Update the IPP attributes...
+    */
+
+    SetPrinterAttrs(c);
+  }
+}
+
+
+/*
+ * 'DeletePrinterFromClasses()' - Delete a printer from all classes.
+ */
+
+void
+DeletePrinterFromClasses(printer_t *p)	/* I - Printer to delete */
+{
+  printer_t	*c,			/* Pointer to current class */
+		*next;			/* Pointer to next class */
+
+
+ /*
+  * Loop through the printer/class list and remove the printer
+  * from each class listed...
+  */
+
+  for (c = Printers; c != NULL; c = next)
+  {
+    next = c->next;
+
+    if (c->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT))
+      DeletePrinterFromClass(c, p);
+  }
+
+ /*
+  * Then clean out any empty classes...
+  */
+
+  for (c = Printers; c != NULL; c = next)
+  {
+    next = c->next;
+
+    if ((c->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT)) &&
+        c->num_printers == 0)
+      DeletePrinter(c);
+  }
+}
+
+
+/*
+ * 'DeleteAllClasses()' - Remove all classes from the system.
+ */
+
+void
+DeleteAllClasses(void)
+{
+  printer_t	*c,	/* Pointer to current printer/class */
+		*next;	/* Pointer to next printer in list */
+
+
+  for (c = Printers; c != NULL; c = next)
+  {
+    next = c->next;
+
+    if (c->type & CUPS_PRINTER_CLASS)
+      DeletePrinter(c);
+  }
+}
+
+
+/*
+ * 'FindAvailablePrinter()' - Find an available printer in a class.
+ */
+
+printer_t *				/* O - Available printer or NULL */
+FindAvailablePrinter(const char *name)	/* I - Class to check */
+{
+  int		i;			/* Looping var */
+  printer_t	*c;			/* Printer class */
+
+
+ /*
+  * Find the class...
+  */
+
+  if ((c = FindClass(name)) == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to find class \"%s\"!", name);
+    return (NULL);
+  }
+
+ /*
+  * Loop through the printers in the class and return the first idle
+  * printer...  We keep track of the last printer that we used so that
+  * a "round robin" type of scheduling is realized (otherwise the first
+  * server might be saturated with print jobs...)
+  *
+  * Thanks to Joel Fredrikson for helping us get this right!
+  */
+
+  for (i = c->last_printer + 1; ; i ++)
+  {
+    if (i >= c->num_printers)
+      i = 0;
+
+    if (c->printers[i]->state == IPP_PRINTER_IDLE ||
+        ((c->printers[i]->type & CUPS_PRINTER_REMOTE) && !c->printers[i]->job))
+    {
+      c->last_printer = i;
+      return (c->printers[i]);
+    }
+
+    if (i == c->last_printer)
+      break;
+  }
+
+  return (NULL);
+}
+
+
+/*
+ * 'FindClass()' - Find the named class.
+ */
+
+printer_t *			/* O - Matching class or NULL */
+FindClass(const char *name)	/* I - Name of class */
+{
+  printer_t	*c;		/* Current class/printer */
+
+
+  for (c = Printers; c != NULL; c = c->next)
+    switch (strcasecmp(name, c->name))
+    {
+      case 0 : /* name == c->name */
+          if (c->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT))
+	    return (c);
+      case 1 : /* name > c->name */
+          break;
+      case -1 : /* name < c->name */
+          return (NULL);
+    }
+
+  return (NULL);
+}
+
+
+/*
+ * 'LoadAllClasses()' - Load classes from the classes.conf file.
+ */
+
+void
+LoadAllClasses(void)
+{
+  FILE		*fp;			/* classes.conf file */
+  int		linenum;		/* Current line number */
+  int		len;			/* Length of line */
+  char		line[1024],		/* Line from file */
+		name[256],		/* Parameter name */
+		*nameptr,		/* Pointer into name */
+		*value,			/* Pointer to value */
+		*valueptr;		/* Pointer into value */
+  printer_t	*p,			/* Current printer class */
+		*temp;			/* Temporary pointer to printer */
+
+
+ /*
+  * Open the classes.conf file...
+  */
+
+  snprintf(line, sizeof(line), "%s/classes.conf", ServerRoot);
+  if ((fp = fopen(line, "r")) == NULL)
+    return;
+
+ /*
+  * Read class configurations until we hit EOF...
+  */
+
+  linenum = 0;
+  p       = NULL;
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+    linenum ++;
+
+   /*
+    * Skip comment lines...
+    */
+
+    if (line[0] == '#')
+      continue;
+
+   /*
+    * Strip trailing whitespace, if any...
+    */
+
+    len = strlen(line);
+
+    while (len > 0 && isspace(line[len - 1]))
+    {
+      len --;
+      line[len] = '\0';
+    }
+
+   /*
+    * Extract the name from the beginning of the line...
+    */
+
+    for (value = line; isspace(*value); value ++);
+
+    for (nameptr = name; *value != '\0' && !isspace(*value) &&
+	                     nameptr < (name + sizeof(name) - 1);)
+      *nameptr++ = *value++;
+    *nameptr = '\0';
+
+    while (isspace(*value))
+      value ++;
+
+    if (name[0] == '\0')
+      continue;
+
+   /*
+    * Decode the directive...
+    */
+
+    if (strcmp(name, "<Class") == 0 ||
+        strcmp(name, "<DefaultClass") == 0)
+    {
+     /*
+      * <Class name> or <DefaultClass name>
+      */
+
+      if (line[len - 1] == '>' && p == NULL)
+      {
+        line[len - 1] = '\0';
+
+        p = AddClass(value);
+	p->accepting = 1;
+	p->state     = IPP_PRINTER_IDLE;
+
+        if (strcmp(name, "<DefaultClass") == 0)
+	  DefaultPrinter = p;
+      }
+      else
+      {
+        LogMessage(L_ERROR, "Syntax error on line %d of classes.conf.",
+	           linenum);
+        return;
+      }
+    }
+    else if (strcmp(name, "</Class>") == 0)
+    {
+      if (p != NULL)
+      {
+        SetPrinterAttrs(p);
+        p = NULL;
+      }
+      else
+      {
+        LogMessage(L_ERROR, "Syntax error on line %d of classes.conf.",
+	           linenum);
+        return;
+      }
+    }
+    else if (p == NULL)
+    {
+      LogMessage(L_ERROR, "Syntax error on line %d of classes.conf.",
+	         linenum);
+      return;
+    }
+    
+    else if (strcmp(name, "Info") == 0)
+      strncpy(p->info, value, sizeof(p->info) - 1);
+    else if (strcmp(name, "Location") == 0)
+      strncpy(p->location, value, sizeof(p->location) - 1);
+    else if (strcmp(name, "Printer") == 0)
+    {
+      if ((temp = FindPrinter(value)) == NULL)
+      {
+	LogMessage(L_WARN, "Unknown printer %s on line %d of classes.conf.",
+	           value, linenum);
+
+       /*
+	* Add the missing remote printer...
+	*/
+
+	temp = AddPrinter(value);
+	strcpy(temp->make_model, "Remote Printer on unknown");
+
+        temp->state       = IPP_PRINTER_STOPPED;
+	temp->type        |= CUPS_PRINTER_REMOTE;
+	temp->browse_time = 2147483647;
+
+	strcpy(temp->location, "Location Unknown");
+	strcpy(temp->info, "No Information Available");
+	temp->hostname[0] = '\0';
+
+	SetPrinterAttrs(temp);
+      }
+
+      if (temp)
+        AddPrinterToClass(p, temp);
+    }
+    else if (strcmp(name, "State") == 0)
+    {
+     /*
+      * Set the initial queue state...
+      */
+
+      if (strcasecmp(value, "idle") == 0)
+        p->state = IPP_PRINTER_IDLE;
+      else if (strcasecmp(value, "stopped") == 0)
+        p->state = IPP_PRINTER_STOPPED;
+    }
+    else if (strcmp(name, "StateMessage") == 0)
+    {
+     /*
+      * Set the initial queue state message...
+      */
+
+      while (isspace(*value))
+        value ++;
+
+      strncpy(p->state_message, value, sizeof(p->state_message) - 1);
+    }
+    else if (strcmp(name, "Accepting") == 0)
+    {
+     /*
+      * Set the initial accepting state...
+      */
+
+      if (strcasecmp(value, "yes") == 0)
+        p->accepting = 1;
+      else
+        p->accepting = 0;
+    }
+    else if (strcmp(name, "JobSheets") == 0)
+    {
+     /*
+      * Set the initial job sheets...
+      */
+
+      for (valueptr = value; *valueptr && !isspace(*valueptr); valueptr ++);
+
+      if (*valueptr)
+        *valueptr++ = '\0';
+
+      strncpy(p->job_sheets[0], value, sizeof(p->job_sheets[0]) - 1);
+
+      while (isspace(*valueptr))
+        valueptr ++;
+
+      if (*valueptr)
+      {
+        for (value = valueptr; *valueptr && !isspace(*valueptr); valueptr ++);
+
+	if (*valueptr)
+          *valueptr++ = '\0';
+
+	strncpy(p->job_sheets[1], value, sizeof(p->job_sheets[1]) - 1);
+      }
+    }
+    else if (strcmp(name, "AllowUser") == 0)
+    {
+      p->deny_users = 0;
+      AddPrinterUser(p, value);
+    }
+    else if (strcmp(name, "DenyUser") == 0)
+    {
+      p->deny_users = 1;
+      AddPrinterUser(p, value);
+    }
+    else if (strcmp(name, "QuotaPeriod") == 0)
+      p->quota_period = atoi(value);
+    else if (strcmp(name, "PageLimit") == 0)
+      p->page_limit = atoi(value);
+    else if (strcmp(name, "KLimit") == 0)
+      p->k_limit = atoi(value);
+    else
+    {
+     /*
+      * Something else we don't understand...
+      */
+
+      LogMessage(L_ERROR, "Unknown configuration directive %s on line %d of classes.conf.",
+	         name, linenum);
+    }
+  }
+
+  fclose(fp);
+}
+
+
+/*
+ * 'SaveAllClasses()' - Save classes to the classes.conf file.
+ */
+
+void
+SaveAllClasses(void)
+{
+  FILE		*fp;			/* classes.conf file */
+  char		temp[1024];		/* Temporary string */
+  char		backup[1024];		/* classes.conf.O file */
+  printer_t	*pclass;		/* Current printer class */
+  int		i;			/* Looping var */
+  time_t	curtime;		/* Current time */
+  struct tm	*curdate;		/* Current date */
+
+
+ /*
+  * Create the classes.conf file...
+  */
+
+  snprintf(temp, sizeof(temp), "%s/classes.conf", ServerRoot);
+  snprintf(backup, sizeof(backup), "%s/classes.conf.O", ServerRoot);
+
+  if (rename(temp, backup))
+    LogMessage(L_ERROR, "Unable to backup classes.conf - %s", strerror(errno));
+
+  if ((fp = fopen(temp, "w")) == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to save classes.conf - %s", strerror(errno));
+
+    if (rename(backup, temp))
+      LogMessage(L_ERROR, "Unable to restore classes.conf - %s", strerror(errno));
+    return;
+  }
+  else
+    LogMessage(L_INFO, "Saving classes.conf...");
+
+ /*
+  * Restrict access to the file...
+  */
+
+  fchown(fileno(fp), User, Group);
+  fchmod(fileno(fp), 0600);
+
+ /*
+  * Write a small header to the file...
+  */
+
+  curtime = time(NULL);
+  curdate = gmtime(&curtime);
+  strftime(temp, sizeof(temp) - 1, CUPS_STRFTIME_FORMAT, curdate);
+
+  fputs("# Class configuration file for " CUPS_SVERSION "\n", fp);
+  fprintf(fp, "# Written by cupsd on %s\n", temp);
+
+ /*
+  * Write each local class known to the system...
+  */
+
+  for (pclass = Printers; pclass != NULL; pclass = pclass->next)
+  {
+   /*
+    * Skip remote destinations and regular printers...
+    */
+
+    if ((pclass->type & CUPS_PRINTER_REMOTE) ||
+        (pclass->type & CUPS_PRINTER_IMPLICIT) ||
+        !(pclass->type & CUPS_PRINTER_CLASS))
+      continue;
+
+   /*
+    * Write printers as needed...
+    */
+
+    if (pclass == DefaultPrinter)
+      fprintf(fp, "<DefaultClass %s>\n", pclass->name);
+    else
+      fprintf(fp, "<Class %s>\n", pclass->name);
+
+    if (pclass->info[0])
+      fprintf(fp, "Info %s\n", pclass->info);
+
+    if (pclass->location[0])
+      fprintf(fp, "Location %s\n", pclass->location);
+
+    if (pclass->state == IPP_PRINTER_STOPPED)
+    {
+      fputs("State Stopped\n", fp);
+      fprintf(fp, "StateMessage %s\n", pclass->state_message);
+    }
+    else
+      fputs("State Idle\n", fp);
+
+    if (pclass->accepting)
+      fputs("Accepting Yes\n", fp);
+    else
+      fputs("Accepting No\n", fp);
+
+    fprintf(fp, "JobSheets %s %s\n", pclass->job_sheets[0],
+            pclass->job_sheets[1]);
+
+    for (i = 0; i < pclass->num_printers; i ++)
+      fprintf(fp, "Printer %s\n", pclass->printers[i]->name);
+
+    fprintf(fp, "QuotaPeriod %d\n", pclass->quota_period);
+    fprintf(fp, "PageLimit %d\n", pclass->page_limit);
+    fprintf(fp, "KLimit %d\n", pclass->k_limit);
+
+    for (i = 0; i < pclass->num_users; i ++)
+      fprintf(fp, "%sUser %s\n", pclass->deny_users ? "Deny" : "Allow",
+              pclass->users[i]);
+
+    fputs("</Class>\n", fp);
+  }
+
+  fclose(fp);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/classes.h b/scheduler/classes.h
new file mode 100644
index 000000000..385314d28
--- /dev/null
+++ b/scheduler/classes.h
@@ -0,0 +1,43 @@
+/*
+ * "$Id$"
+ *
+ *   Printer class definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+
+/*
+ * Prototypes...
+ */
+
+extern printer_t	*AddClass(const char *name);
+extern void		AddPrinterToClass(printer_t *c, printer_t *p);
+extern void		DeletePrinterFromClass(printer_t *c, printer_t *p);
+extern void		DeletePrinterFromClasses(printer_t *p);
+extern void		DeleteAllClasses(void);
+extern printer_t	*FindAvailablePrinter(const char *name);
+extern printer_t	*FindClass(const char *name);
+extern void		LoadAllClasses(void);
+extern void		SaveAllClasses(void);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/client.c b/scheduler/client.c
new file mode 100644
index 000000000..de47ad078
--- /dev/null
+++ b/scheduler/client.c
@@ -0,0 +1,2497 @@
+/*
+ * "$Id$"
+ *
+ *   Client routines for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AcceptClient()        - Accept a new client.
+ *   CloseAllClients()     - Close all remote clients immediately.
+ *   CloseClient()         - Close a remote client.
+ *   EncryptClient()       - Enable encryption for the client...
+ *   ReadClient()          - Read data from a client.
+ *   SendCommand()         - Send output from a command via HTTP.
+ *   SendError()           - Send an error message via HTTP.
+ *   SendFile()            - Send a file via HTTP.
+ *   SendHeader()          - Send an HTTP request.
+ *   WriteClient()         - Write data to a client as needed.
+ *   check_if_modified()   - Decode an "If-Modified-Since" line.
+ *   decode_auth()         - Decode an authorization string.
+ *   get_file()            - Get a filename and state info.
+ *   install_conf_file()   - Install a configuration file.
+ *   pipe_command()        - Pipe the output of a command to the remote client.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+#include <grp.h>
+
+#ifdef HAVE_LIBSSL
+#  include <openssl/err.h>
+#  include <openssl/ssl.h>
+#  include <openssl/rand.h>
+#endif /* HAVE_LIBSSL */
+
+
+/*
+ * Local functions...
+ */
+
+static int		check_if_modified(client_t *con,
+			                  struct stat *filestats);
+static void		decode_auth(client_t *con);
+static char		*get_file(client_t *con, struct stat *filestats);
+static http_status_t	install_conf_file(client_t *con);
+static int		pipe_command(client_t *con, int infile, int *outfile,
+			             char *command, char *options);
+
+
+/*
+ * 'AcceptClient()' - Accept a new client.
+ */
+
+void
+AcceptClient(listener_t *lis)	/* I - Listener socket */
+{
+  int			i;	/* Looping var */
+  int			val;	/* Parameter value */
+  client_t		*con;	/* New client pointer */
+  unsigned		address;/* Address of client */
+  struct hostent	*host;	/* Host entry for address */
+
+
+  LogMessage(L_DEBUG2, "AcceptClient(%08x) %d NumClients = %d",
+             lis, lis->fd, NumClients);
+
+ /*
+  * Make sure we don't have a full set of clients already...
+  */
+
+  if (NumClients == MaxClients)
+    return;
+
+ /*
+  * Get a pointer to the next available client...
+  */
+
+  con = Clients + NumClients;
+
+  memset(con, 0, sizeof(client_t));
+  con->http.activity = time(NULL);
+
+ /*
+  * Accept the client and get the remote address...
+  */
+
+  val = sizeof(struct sockaddr_in);
+
+  if ((con->http.fd = accept(lis->fd, (struct sockaddr *)&(con->http.hostaddr),
+                             &val)) < 0)
+  {
+    LogMessage(L_ERROR, "Unable to accept client connection - %s.",
+               strerror(errno));
+    return;
+  }
+
+  con->http.hostaddr.sin_port = lis->address.sin_port;
+
+ /*
+  * Get the hostname or format the IP address as needed...
+  */
+
+  address = ntohl(con->http.hostaddr.sin_addr.s_addr);
+
+  if (HostNameLookups)
+#ifndef __sgi
+    host = gethostbyaddr((char *)&(con->http.hostaddr.sin_addr),
+                         sizeof(struct in_addr), AF_INET);
+#else
+    host = gethostbyaddr(&(con->http.hostaddr.sin_addr),
+                         sizeof(struct in_addr), AF_INET);
+#endif /* !__sgi */
+  else
+    host = NULL;
+
+  if (con->http.hostaddr.sin_addr.s_addr == ServerAddr.sin_addr.s_addr)
+  {
+   /*
+    * Map accesses from the same host to the server name.
+    */
+
+    strncpy(con->http.hostname, ServerName, sizeof(con->http.hostname) - 1);
+  }
+  else if (host == NULL)
+  {
+    sprintf(con->http.hostname, "%d.%d.%d.%d", (address >> 24) & 255,
+            (address >> 16) & 255, (address >> 8) & 255, address & 255);
+
+    if (HostNameLookups == 2)
+    {
+     /*
+      * Can't have an unresolved IP address with double-lookups enabled...
+      */
+
+#ifdef WIN32
+      closesocket(con->http.fd);
+#else
+      close(con->http.fd);
+#endif /* WIN32 */
+
+      LogMessage(L_WARN, "Name lookup failed - connection from %s closed!",
+                 con->http.hostname);
+      return;
+    }
+  }
+  else
+    strncpy(con->http.hostname, host->h_name, sizeof(con->http.hostname) - 1);
+
+  if (HostNameLookups == 2)
+  {
+   /*
+    * Do double lookups as needed...
+    */
+
+    if ((host = httpGetHostByName(con->http.hostname)) != NULL)
+    {
+     /*
+      * See if the hostname maps to the IP address...
+      */
+
+      if (host->h_length != 4 || host->h_addrtype != AF_INET)
+      {
+       /*
+        * Not an IPv4 address...
+	*/
+
+	host = NULL;
+      }
+      else
+      {
+       /*
+        * Compare all of the addresses against this one...
+	*/
+
+	for (i = 0; host->h_addr_list[i]; i ++)
+          if (memcmp(&(con->http.hostaddr.sin_addr), host->h_addr_list[i], 4) == 0)
+	    break;
+
+        if (!host->h_addr_list[i])
+	  host = NULL;
+      }
+    }
+
+    if (host == NULL)
+    {
+     /*
+      * Can't have a hostname that doesn't resolve to the same IP address
+      * with double-lookups enabled...
+      */
+
+#ifdef WIN32
+      closesocket(con->http.fd);
+#else
+      close(con->http.fd);
+#endif /* WIN32 */
+
+      LogMessage(L_WARN, "IP lookup failed - connection from %s closed!",
+                 con->http.hostname);
+      return;
+    }
+  }
+
+  LogMessage(L_DEBUG, "AcceptClient() %d from %s:%d.", con->http.fd,
+             con->http.hostname, ntohs(con->http.hostaddr.sin_port));
+
+ /*
+  * Using TCP_NODELAY improves responsiveness, especially on systems
+  * with a slow loopback interface...  Since we write large buffers
+  * when sending print files and requests, there shouldn't be any
+  * performance penalty for this...
+  */
+
+  val = 1;
+  setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); 
+
+ /*
+  * Add the socket to the select() input mask.
+  */
+
+  fcntl(con->http.fd, F_SETFD, fcntl(con->http.fd, F_GETFD) | FD_CLOEXEC);
+
+  LogMessage(L_DEBUG2, "AcceptClient: Adding fd %d to InputSet...",
+             con->http.fd);
+  FD_SET(con->http.fd, &InputSet);
+
+  NumClients ++;
+
+ /*
+  * Temporarily suspend accept()'s until we lose a client...
+  */
+
+  if (NumClients == MaxClients)
+    PauseListening();
+
+#ifdef HAVE_LIBSSL
+ /*
+  * See if we are connecting on a secure port...
+  */
+
+  if (lis->encryption == HTTP_ENCRYPT_ALWAYS)
+  {
+   /*
+    * https connection; go secure...
+    */
+
+    EncryptClient(con);
+  }
+#endif /* HAVE_LIBSSL */
+}
+
+
+/*
+ * 'CloseAllClients()' - Close all remote clients immediately.
+ */
+
+void
+CloseAllClients(void)
+{
+  while (NumClients > 0)
+    CloseClient(Clients);
+}
+
+
+/*
+ * 'CloseClient()' - Close a remote client.
+ */
+
+void
+CloseClient(client_t *con)	/* I - Client to close */
+{
+  int	status;			/* Exit status of pipe command */
+#ifdef HAVE_LIBSSL
+  SSL_CTX	*context;	/* Context for encryption */
+  SSL		*conn;		/* Connection for encryption */
+#endif /* HAVE_LIBSSL */
+
+
+  LogMessage(L_DEBUG, "CloseClient() %d", con->http.fd);
+
+#ifdef HAVE_LIBSSL
+ /*
+  * Shutdown encryption as needed...
+  */
+
+  if (con->http.tls)
+  {
+    conn    = (SSL *)(con->http.tls);
+    context = SSL_get_SSL_CTX(conn);
+
+    SSL_shutdown(conn);
+    SSL_CTX_free(context);
+    SSL_free(conn);
+
+    con->http.tls = NULL;
+  }
+#endif /* HAVE_LIBSSL */
+
+ /*
+  * Close the socket and clear the file from the input set for select()...
+  */
+
+  if (con->http.fd > 0)
+  {
+    LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from InputSet and OutputSet...",
+               con->http.fd);
+    close(con->http.fd);
+    FD_CLR(con->http.fd, &InputSet);
+    FD_CLR(con->http.fd, &OutputSet);
+    con->http.fd = 0;
+  }
+
+  if (con->pipe_pid != 0)
+  {
+    LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from InputSet...",
+               con->file);
+    FD_CLR(con->file, &InputSet);
+  }
+
+  if (con->file)
+  {
+   /*
+    * Close the open data file...
+    */
+
+    if (con->pipe_pid)
+    {
+      kill(con->pipe_pid, SIGKILL);
+      waitpid(con->pipe_pid, &status, WNOHANG);
+    }
+
+    LogMessage(L_DEBUG2, "CloseClient: %d Closing data file %d.",
+               con->http.fd, con->file);
+    LogMessage(L_DEBUG2, "CloseClient: %d Removing fd %d from InputSet.",
+               con->http.fd, con->file);
+
+    FD_CLR(con->file, &InputSet);
+    close(con->file);
+    con->file = 0;
+  }
+
+  if (con->request)
+  {
+    ippDelete(con->request);
+    con->request = NULL;
+  }
+
+  if (con->response)
+  {
+    ippDelete(con->response);
+    con->response = NULL;
+  }
+
+  if (con->language)
+  {
+    cupsLangFree(con->language);
+    con->language = NULL;
+  }
+
+ /*
+  * Re-enable new client connections if we are going back under the
+  * limit...
+  */
+
+  if (NumClients == MaxClients)
+    ResumeListening();
+
+ /*
+  * Compact the list of clients as necessary...
+  */
+
+  NumClients --;
+
+  if (con < (Clients + NumClients))
+    memcpy(con, con + 1, (Clients + NumClients - con) * sizeof(client_t));
+}
+
+
+/*
+ * 'EncryptClient()' - Enable encryption for the client...
+ */
+
+int				/* O - 1 on success, 0 on error */
+EncryptClient(client_t *con)	/* I - Client to encrypt */
+{
+#ifdef HAVE_LIBSSL
+  SSL_CTX	*context;	/* Context for encryption */
+  SSL		*conn;		/* Connection for encryption */
+  unsigned long	error;		/* Error code */
+
+
+ /*
+  * Create the SSL context and accept the connection...
+  */
+
+  context = SSL_CTX_new(SSLv23_method());
+  conn    = SSL_new(context);
+
+  SSL_use_PrivateKey_file(conn, ServerKey, SSL_FILETYPE_PEM);
+  SSL_use_certificate_file(conn, ServerCertificate, SSL_FILETYPE_PEM);
+
+  SSL_set_fd(conn, con->http.fd);
+  if (SSL_accept(conn) != 1)
+  {
+    while ((error = ERR_get_error()) != 0)
+      LogMessage(L_ERROR, "EncryptClient: %s", ERR_error_string(error, NULL));
+
+    SSL_CTX_free(context);
+    SSL_free(conn);
+    return (0);
+  }
+
+  LogMessage(L_DEBUG, "EncryptClient() %d Connection now encrypted.",
+             con->http.fd);
+
+  con->http.tls = conn;
+  return (1);
+#else
+  return (0);
+#endif /* HAVE_LIBSSL */
+}
+
+
+/*
+ * 'ReadClient()' - Read data from a client.
+ */
+
+int				/* O - 1 on success, 0 on error */
+ReadClient(client_t *con)	/* I - Client to read from */
+{
+  char		line[32768],	/* Line from client... */
+		operation[64],	/* Operation code from socket */
+		version[64];	/* HTTP version number string */
+  int		major, minor;	/* HTTP version numbers */
+  http_status_t	status;		/* Transfer status */
+  ipp_state_t   ipp_state;	/* State of IPP transfer */
+  int		bytes;		/* Number of bytes to POST */
+  char		*filename;	/* Name of file for GET/HEAD */
+  struct stat	filestats;	/* File information */
+  mime_type_t	*type;		/* MIME type of file */
+  printer_t	*p;		/* Printer */
+  location_t	*best;		/* Best match for authentication */
+  static unsigned request_id = 0;/* Request ID for temp files */
+
+
+  status = HTTP_CONTINUE;
+
+  switch (con->http.state)
+  {
+    case HTTP_WAITING :
+       /*
+        * See if we've received a request line...
+	*/
+
+        if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL)
+	{
+          CloseClient(con);
+	  return (0);
+	}
+
+       /*
+        * Ignore blank request lines...
+	*/
+
+        if (line[0] == '\0')
+	  break;
+
+       /*
+        * Clear other state variables...
+	*/
+
+        httpClearFields(HTTP(con));
+
+        con->http.activity       = time(NULL);
+        con->http.version        = HTTP_1_0;
+	con->http.keep_alive     = HTTP_KEEPALIVE_OFF;
+	con->http.data_encoding  = HTTP_ENCODE_LENGTH;
+	con->http.data_remaining = 0;
+	con->operation           = HTTP_WAITING;
+	con->bytes               = 0;
+	con->file                = 0;
+	con->pipe_pid            = 0;
+	con->command[0]          = '\0';
+	con->username[0]         = '\0';
+	con->password[0]         = '\0';
+	con->uri[0]              = '\0';
+
+	if (con->language != NULL)
+	{
+	  cupsLangFree(con->language);
+	  con->language = NULL;
+	}
+
+       /*
+        * Grab the request line...
+	*/
+
+        switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version))
+	{
+	  case 1 :
+	      SendError(con, HTTP_BAD_REQUEST);
+	      CloseClient(con);
+	      return (0);
+	  case 2 :
+	      con->http.version = HTTP_0_9;
+	      break;
+	  case 3 :
+	      if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2)
+	      {
+		SendError(con, HTTP_BAD_REQUEST);
+		CloseClient(con);
+		return (0);
+	      }
+
+	      if (major < 2)
+	      {
+	        con->http.version = (http_version_t)(major * 100 + minor);
+		if (con->http.version == HTTP_1_1 && KeepAlive)
+		  con->http.keep_alive = HTTP_KEEPALIVE_ON;
+		else
+		  con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+	      }
+	      else
+	      {
+	        SendError(con, HTTP_NOT_SUPPORTED);
+	        CloseClient(con);
+	        return (0);
+	      }
+	      break;
+	}
+
+       /*
+        * Process the request...
+	*/
+
+        if (strcmp(operation, "GET") == 0)
+	  con->http.state = HTTP_GET;
+        else if (strcmp(operation, "PUT") == 0)
+	  con->http.state = HTTP_PUT;
+        else if (strcmp(operation, "POST") == 0)
+	  con->http.state = HTTP_POST;
+        else if (strcmp(operation, "DELETE") == 0)
+	  con->http.state = HTTP_DELETE;
+        else if (strcmp(operation, "TRACE") == 0)
+	  con->http.state = HTTP_TRACE;
+        else if (strcmp(operation, "OPTIONS") == 0)
+	  con->http.state = HTTP_OPTIONS;
+        else if (strcmp(operation, "HEAD") == 0)
+	  con->http.state = HTTP_HEAD;
+	else
+	{
+	  SendError(con, HTTP_BAD_REQUEST);
+	  CloseClient(con);
+	  return (0);
+	}
+
+        con->start     = time(NULL);
+        con->operation = con->http.state;
+
+        LogMessage(L_DEBUG, "ReadClient() %d %s %s HTTP/%d.%d", con->http.fd,
+	           operation, con->uri,
+		   con->http.version / 100, con->http.version % 100);
+
+	con->http.status = HTTP_OK;
+
+    case HTTP_OPTIONS :
+    case HTTP_DELETE :
+    case HTTP_GET :
+    case HTTP_HEAD :
+    case HTTP_POST :
+    case HTTP_PUT :
+    case HTTP_TRACE :
+       /*
+        * Parse incoming parameters until the status changes...
+	*/
+
+        status = httpUpdate(HTTP(con));
+
+	if (status != HTTP_OK && status != HTTP_CONTINUE)
+	{
+	  SendError(con, HTTP_BAD_REQUEST);
+	  CloseClient(con);
+	  return (0);
+	}
+	break;
+
+    default :
+        break; /* Anti-compiler-warning-code */
+  }
+
+ /*
+  * Handle new transfers...
+  */
+
+  if (status == HTTP_OK)
+  {
+    con->language = cupsLangGet(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE]);
+
+    decode_auth(con);
+
+    if (strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) == 0 &&
+        KeepAlive)
+      con->http.keep_alive = HTTP_KEEPALIVE_ON;
+
+    if (con->http.fields[HTTP_FIELD_HOST][0] == '\0' &&
+        con->http.version >= HTTP_1_1)
+    {
+     /*
+      * HTTP/1.1 and higher require the "Host:" field...
+      */
+
+      if (!SendError(con, HTTP_BAD_REQUEST))
+      {
+	CloseClient(con);
+	return (0);
+      }
+    }
+    else if (con->operation == HTTP_OPTIONS)
+    {
+     /*
+      * Do OPTIONS command...
+      */
+
+      if ((best = FindBest(con->uri, con->http.state)) != NULL &&
+          best->type != AUTH_NONE)
+      {
+	if (!SendHeader(con, HTTP_UNAUTHORIZED, NULL))
+	{
+	  CloseClient(con);
+	  return (0);
+	}
+      }
+
+      if (strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") == 0 &&
+	  con->http.tls == NULL)
+      {
+#ifdef HAVE_LIBSSL
+       /*
+        * Do encryption stuff...
+	*/
+
+	if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
+	{
+	  CloseClient(con);
+	  return (0);
+	}
+
+	httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
+	httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
+	httpPrintf(HTTP(con), "Content-Length: 0\r\n");
+	httpPrintf(HTTP(con), "\r\n");
+
+        EncryptClient(con);
+#else
+	if (!SendError(con, HTTP_NOT_IMPLEMENTED))
+	{
+	  CloseClient(con);
+          return (0);
+	}
+#endif /* HAVE_LIBSSL */
+      }
+
+      if (!SendHeader(con, HTTP_OK, NULL))
+      {
+	CloseClient(con);
+	return (0);
+      }
+
+      httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n");
+      httpPrintf(HTTP(con), "Content-Length: 0\r\n");
+      httpPrintf(HTTP(con), "\r\n");
+    }
+    else if (strstr(con->uri, "..") != NULL)
+    {
+     /*
+      * Protect against malicious users!
+      */
+
+      if (!SendError(con, HTTP_FORBIDDEN))
+      {
+	CloseClient(con);
+        return (0);
+      }
+    }
+    else if (con->uri[0] != '/')
+    {
+     /*
+      * Don't allow proxying (yet)...
+      */
+
+      if (!SendError(con, HTTP_METHOD_NOT_ALLOWED))
+      {
+	CloseClient(con);
+        return (0);
+      }
+    }
+    else
+    {
+      if (strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") == 0 &&
+	  con->http.tls == NULL)
+      {
+#ifdef HAVE_LIBSSL
+       /*
+        * Do encryption stuff...
+	*/
+
+	if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
+	{
+	  CloseClient(con);
+	  return (0);
+	}
+
+	httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
+	httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
+	httpPrintf(HTTP(con), "Content-Length: 0\r\n");
+	httpPrintf(HTTP(con), "\r\n");
+
+        EncryptClient(con);
+#else
+	if (!SendError(con, HTTP_NOT_IMPLEMENTED))
+	{
+	  CloseClient(con);
+          return (0);
+	}
+#endif /* HAVE_LIBSSL */
+      }
+
+      if ((status = IsAuthorized(con)) != HTTP_OK)
+      {
+	SendError(con, status);
+	CloseClient(con);
+	return (0);
+      }
+
+      switch (con->http.state)
+      {
+	case HTTP_GET_SEND :
+            if (strncmp(con->uri, "/printers/", 10) == 0 &&
+		strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0)
+	    {
+	     /*
+	      * Send PPD file - get the real printer name since printer
+	      * names are not case sensitive but filenames can be...
+	      */
+
+              con->uri[strlen(con->uri) - 4] = '\0';	/* Drop ".ppd" */
+
+              if ((p = FindPrinter(con->uri + 10)) != NULL)
+		snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
+	      else
+	      {
+		if (!SendError(con, HTTP_NOT_FOUND))
+		{
+	          CloseClient(con);
+		  return (0);
+		}
+
+		break;
+	      }
+	    }
+
+	    if ((strncmp(con->uri, "/admin", 6) == 0 &&
+	         strncmp(con->uri, "/admin/conf/", 12) != 0) ||
+		strncmp(con->uri, "/printers", 9) == 0 ||
+		strncmp(con->uri, "/classes", 8) == 0 ||
+		strncmp(con->uri, "/jobs", 5) == 0)
+	    {
+	     /*
+	      * Send CGI output...
+	      */
+
+              if (strncmp(con->uri, "/admin", 6) == 0)
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/admin.cgi", ServerBin);
+		con->options = con->uri + 6;
+	      }
+              else if (strncmp(con->uri, "/printers", 9) == 0)
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/printers.cgi", ServerBin);
+		con->options = con->uri + 9;
+	      }
+	      else if (strncmp(con->uri, "/classes", 8) == 0)
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/classes.cgi", ServerBin);
+		con->options = con->uri + 8;
+	      }
+	      else
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/jobs.cgi", ServerBin);
+		con->options = con->uri + 5;
+	      }
+
+	      if (con->options[0] == '/')
+		con->options ++;
+
+              if (!SendCommand(con, con->command, con->options))
+	      {
+		if (!SendError(con, HTTP_NOT_FOUND))
+		{
+	          CloseClient(con);
+		  return (0);
+		}
+              }
+	      else
+        	LogRequest(con, HTTP_OK);
+
+	      if (con->http.version <= HTTP_1_0)
+		con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+	    }
+            else if (strncmp(con->uri, "/admin/conf/", 12) == 0 &&
+	             (strchr(con->uri + 12, '/') != NULL ||
+		      strlen(con->uri) == 12))
+	    {
+	     /*
+	      * GET can only be done to configuration files under
+	      * /admin/conf...
+	      */
+
+	      if (!SendError(con, HTTP_FORBIDDEN))
+	      {
+	        CloseClient(con);
+		return (0);
+	      }
+
+	      break;
+	    }
+	    else
+	    {
+	     /*
+	      * Serve a file...
+	      */
+
+              if ((filename = get_file(con, &filestats)) == NULL)
+	      {
+		if (!SendError(con, HTTP_NOT_FOUND))
+		{
+	          CloseClient(con);
+		  return (0);
+		}
+	      }
+	      else if (!check_if_modified(con, &filestats))
+              {
+        	if (!SendError(con, HTTP_NOT_MODIFIED))
+		{
+		  CloseClient(con);
+		  return (0);
+		}
+	      }
+	      else
+              {
+		type = mimeFileType(MimeDatabase, filename);
+		if (type == NULL)
+	          strcpy(line, "text/plain");
+		else
+	          snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
+
+        	if (!SendFile(con, HTTP_OK, filename, line, &filestats))
+		{
+		  CloseClient(con);
+		  return (0);
+		}
+	      }
+	    }
+            break;
+
+	case HTTP_POST_RECV :
+           /*
+	    * See if the POST request includes a Content-Length field, and if
+	    * so check the length against any limits that are set...
+	    */
+
+            LogMessage(L_DEBUG2, "POST %s", con->uri);
+	    LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
+
+            if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
+		atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize &&
+		MaxRequestSize > 0)
+	    {
+	     /*
+	      * Request too large...
+	      */
+
+              if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+	      break;
+            }
+
+           /*
+	    * See what kind of POST request this is; for IPP requests the
+	    * content-type field will be "application/ipp"...
+	    */
+
+	    if (strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "application/ipp") == 0)
+              con->request = ippNew();
+	    else if ((strncmp(con->uri, "/admin", 6) == 0 &&
+	              strncmp(con->uri, "/admin/conf/", 12) != 0) ||
+	             strncmp(con->uri, "/printers", 9) == 0 ||
+	             strncmp(con->uri, "/classes", 8) == 0 ||
+	             strncmp(con->uri, "/jobs", 5) == 0)
+	    {
+	     /*
+	      * CGI request...
+	      */
+
+              if (strncmp(con->uri, "/admin", 6) == 0)
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/admin.cgi", ServerBin);
+		con->options = con->uri + 6;
+	      }
+              else if (strncmp(con->uri, "/printers", 9) == 0)
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/printers.cgi", ServerBin);
+		con->options = con->uri + 9;
+	      }
+	      else if (strncmp(con->uri, "/classes", 8) == 0)
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/classes.cgi", ServerBin);
+		con->options = con->uri + 8;
+	      }
+	      else
+	      {
+		snprintf(con->command, sizeof(con->command),
+	        	 "%s/cgi-bin/jobs.cgi", ServerBin);
+		con->options = con->uri + 5;
+	      }
+
+	      if (con->options[0] == '/')
+		con->options ++;
+
+              LogMessage(L_DEBUG2, "ReadClient() %d command=\"%s\", options = \"%s\"",
+	        	 con->http.fd, con->command, con->options);
+
+	      if (con->http.version <= HTTP_1_0)
+		con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+	    }
+	    else if (!SendError(con, HTTP_UNAUTHORIZED))
+	    {
+	      CloseClient(con);
+	      return (0);
+	    }
+	    break;
+
+	case HTTP_PUT_RECV :
+	   /*
+	    * Validate the resource name...
+	    */
+
+            if (strncmp(con->uri, "/admin/conf/", 12) != 0 ||
+	        strchr(con->uri + 12, '/') != NULL ||
+		strlen(con->uri) == 12)
+	    {
+	     /*
+	      * PUT can only be done to configuration files under
+	      * /admin/conf...
+	      */
+
+	      if (!SendError(con, HTTP_FORBIDDEN))
+	      {
+	        CloseClient(con);
+		return (0);
+	      }
+
+	      break;
+	    }
+
+           /*
+	    * See if the PUT request includes a Content-Length field, and if
+	    * so check the length against any limits that are set...
+	    */
+
+            LogMessage(L_DEBUG2, "PUT %s", con->uri);
+	    LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
+
+            if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
+		atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize &&
+		MaxRequestSize > 0)
+	    {
+	     /*
+	      * Request too large...
+	      */
+
+              if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+	      break;
+            }
+
+           /*
+	    * Open a temporary file to hold the request...
+	    */
+
+            snprintf(con->filename, sizeof(con->filename), "%s/%08x",
+	             RequestRoot, request_id ++);
+	    con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
+	    fchmod(con->file, 0640);
+	    fchown(con->file, User, Group);
+
+            LogMessage(L_DEBUG2, "ReadClient() %d REQUEST %s=%d", con->http.fd,
+	               con->filename, con->file);
+
+	    if (con->file < 0)
+	    {
+	      if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+	    }
+	    break;
+
+	case HTTP_DELETE :
+	case HTTP_TRACE :
+            SendError(con, HTTP_NOT_IMPLEMENTED);
+            CloseClient(con);
+	    return (0);
+
+	case HTTP_HEAD :
+            if (strncmp(con->uri, "/printers/", 10) == 0 &&
+		strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0)
+	    {
+	     /*
+	      * Send PPD file - get the real printer name since printer
+	      * names are not case sensitive but filenames can be...
+	      */
+
+              con->uri[strlen(con->uri) - 4] = '\0';	/* Drop ".ppd" */
+
+              if ((p = FindPrinter(con->uri + 10)) != NULL)
+		snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
+	      else
+	      {
+		if (!SendError(con, HTTP_NOT_FOUND))
+		{
+	          CloseClient(con);
+		  return (0);
+		}
+
+		break;
+	      }
+	    }
+
+	    if ((strncmp(con->uri, "/admin/", 7) == 0 &&
+	         strncmp(con->uri, "/admin/conf/", 12) != 0) ||
+		strncmp(con->uri, "/printers/", 10) == 0 ||
+		strncmp(con->uri, "/classes/", 9) == 0 ||
+		strncmp(con->uri, "/jobs/", 6) == 0)
+	    {
+	     /*
+	      * CGI output...
+	      */
+
+              if (!SendHeader(con, HTTP_OK, "text/html"))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+	      if (httpPrintf(HTTP(con), "\r\n") < 0)
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+              LogRequest(con, HTTP_OK);
+	    }
+            else if (strncmp(con->uri, "/admin/conf/", 12) == 0 &&
+	             (strchr(con->uri + 12, '/') != NULL ||
+		      strlen(con->uri) == 12))
+	    {
+	     /*
+	      * HEAD can only be done to configuration files under
+	      * /admin/conf...
+	      */
+
+	      if (!SendError(con, HTTP_FORBIDDEN))
+	      {
+	        CloseClient(con);
+		return (0);
+	      }
+
+	      break;
+	    }
+	    else if ((filename = get_file(con, &filestats)) == NULL)
+	    {
+	      if (!SendHeader(con, HTTP_NOT_FOUND, "text/html"))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+              LogRequest(con, HTTP_NOT_FOUND);
+	    }
+	    else if (!check_if_modified(con, &filestats))
+            {
+              if (!SendError(con, HTTP_NOT_MODIFIED))
+	      {
+        	CloseClient(con);
+		return (0);
+	      }
+
+              LogRequest(con, HTTP_NOT_MODIFIED);
+	    }
+	    else
+	    {
+	     /*
+	      * Serve a file...
+	      */
+
+	      type = mimeFileType(MimeDatabase, filename);
+	      if (type == NULL)
+		strcpy(line, "text/plain");
+	      else
+		snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
+
+              if (!SendHeader(con, HTTP_OK, line))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+	      if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
+	                     httpGetDateString(filestats.st_mtime)) < 0)
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+	      if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n",
+	                     (unsigned long)filestats.st_size) < 0)
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+
+              LogRequest(con, HTTP_OK);
+	    }
+
+            if (httpPrintf(HTTP(con), "\r\n") < 0)
+	    {
+	      CloseClient(con);
+	      return (0);
+	    }
+
+            con->http.state = HTTP_WAITING;
+            break;
+
+	default :
+            break; /* Anti-compiler-warning-code */
+      }
+    }
+  }
+
+ /*
+  * Handle any incoming data...
+  */
+
+  switch (con->http.state)
+  {
+    case HTTP_PUT_RECV :
+        LogMessage(L_DEBUG2, "ReadClient() %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d",
+		   con->http.fd,
+		   con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length",
+		   con->http.data_remaining, con->file);
+
+        if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0)
+	{
+	  CloseClient(con);
+	  return (0);
+	}
+	else if (bytes > 0)
+	{
+	  con->bytes += bytes;
+
+          LogMessage(L_DEBUG2, "ReadClient() %d writing %d bytes to %d",
+	             con->http.fd, bytes, con->file);
+
+          if (write(con->file, line, bytes) < bytes)
+	  {
+            LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s",
+	               bytes, con->filename, strerror(errno));
+
+	    close(con->file);
+	    con->file = 0;
+	    unlink(con->filename);
+	    con->filename[0] = '\0';
+
+            if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	    {
+	      CloseClient(con);
+	      return (0);
+	    }
+	  }
+	}
+
+        if (con->http.state == HTTP_WAITING)
+	{
+	 /*
+	  * End of file, see how big it is...
+	  */
+
+	  fstat(con->file, &filestats);
+
+          LogMessage(L_DEBUG2, "ReadClient() %d Closing data file %d, size = %d.",
+                     con->http.fd, con->file, filestats.st_size);
+
+	  close(con->file);
+	  con->file = 0;
+
+          if (filestats.st_size > MaxRequestSize &&
+	      MaxRequestSize > 0)
+	  {
+	   /*
+	    * Request is too big; remove it and send an error...
+	    */
+
+            LogMessage(L_DEBUG2, "ReadClient() %d Removing temp file %s",
+	               con->http.fd, con->filename);
+	    unlink(con->filename);
+	    con->filename[0] = '\0';
+
+            if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	    {
+	      CloseClient(con);
+	      return (0);
+	    }
+	  }
+
+         /*
+	  * Install the configuration file...
+	  */
+
+          status = install_conf_file(con);
+
+         /*
+	  * Return the status to the client...
+	  */
+
+          if (!SendError(con, status))
+	  {
+	    CloseClient(con);
+	    return (0);
+	  }
+	}
+        break;
+
+    case HTTP_POST_RECV :
+        LogMessage(L_DEBUG2, "ReadClient() %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d",
+		   con->http.fd,
+		   con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length",
+		   con->http.data_remaining, con->file);
+
+        if (con->request != NULL)
+	{
+	 /*
+	  * Grab any request data from the connection...
+	  */
+
+	  if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR)
+	  {
+            LogMessage(L_ERROR, "ReadClient() %d IPP Read Error!",
+	               con->http.fd);
+	    CloseClient(con);
+	    return (0);
+	  }
+	  else if (ipp_state != IPP_DATA)
+	    break;
+	  else
+	    con->bytes += ippLength(con->request);
+	}
+
+        if (con->file == 0 && con->http.state != HTTP_POST_SEND)
+	{
+         /*
+	  * Create a file as needed for the request data...
+	  */
+
+          snprintf(con->filename, sizeof(con->filename), "%s/%08x",
+	           RequestRoot, request_id ++);
+	  con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
+	  fchmod(con->file, 0640);
+	  fchown(con->file, User, Group);
+
+          LogMessage(L_DEBUG2, "ReadClient() %d REQUEST %s=%d", con->http.fd,
+	             con->filename, con->file);
+
+	  if (con->file < 0)
+	  {
+	    if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	    {
+	      CloseClient(con);
+	      return (0);
+	    }
+	  }
+	}
+
+	if (con->http.state != HTTP_POST_SEND)
+	{
+          if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0)
+	  {
+	    CloseClient(con);
+	    return (0);
+	  }
+	  else if (bytes > 0)
+	  {
+	    con->bytes += bytes;
+
+            LogMessage(L_DEBUG2, "ReadClient() %d writing %d bytes to %d",
+	               con->http.fd, bytes, con->file);
+
+            if (write(con->file, line, bytes) < bytes)
+	    {
+              LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s",
+	        	 bytes, con->filename, strerror(errno));
+
+	      close(con->file);
+	      con->file = 0;
+	      unlink(con->filename);
+	      con->filename[0] = '\0';
+
+              if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+	    }
+	  }
+	  else if (con->http.state != HTTP_POST_SEND)
+	  {
+	    CloseClient(con);
+	    return (0);
+	  }
+	}
+
+	if (con->http.state == HTTP_POST_SEND)
+	{
+	  if (con->file)
+	  {
+	    fstat(con->file, &filestats);
+
+            LogMessage(L_DEBUG2, "ReadClient() %d Closing data file %d, size = %d.",
+                       con->http.fd, con->file, filestats.st_size);
+
+	    close(con->file);
+	    con->file = 0;
+
+            if (filestats.st_size > MaxRequestSize &&
+	        MaxRequestSize > 0)
+	    {
+	     /*
+	      * Request is too big; remove it and send an error...
+	      */
+
+              LogMessage(L_DEBUG2, "ReadClient() %d Removing temp file %s",
+	                 con->http.fd, con->filename);
+	      unlink(con->filename);
+	      con->filename[0] = '\0';
+
+	      if (con->request)
+	      {
+	       /*
+	        * Delete any IPP request data...
+		*/
+
+	        ippDelete(con->request);
+		con->request = NULL;
+              }
+
+              if (!SendError(con, HTTP_REQUEST_TOO_LARGE))
+	      {
+		CloseClient(con);
+		return (0);
+	      }
+	    }
+
+	    if (con->command[0])
+	    {
+	      if (!SendCommand(con, con->command, con->options))
+	      {
+		if (!SendError(con, HTTP_NOT_FOUND))
+		{
+	          CloseClient(con);
+		  return (0);
+		}
+              }
+	      else
+        	LogRequest(con, HTTP_OK);
+            }
+	  }
+
+          if (con->request)
+            ProcessIPPRequest(con);
+	}
+        break;
+
+    default :
+        break; /* Anti-compiler-warning-code */
+  }
+
+  if (!con->http.keep_alive && con->http.state == HTTP_WAITING)
+  {
+    CloseClient(con);
+    return (0);
+  }
+  else
+    return (1);
+}
+
+
+/*
+ * 'SendCommand()' - Send output from a command via HTTP.
+ */
+
+int
+SendCommand(client_t      *con,
+	    char          *command,
+	    char          *options)
+{
+  int	fd;
+
+
+  if (con->filename[0])
+    fd = open(con->filename, O_RDONLY);
+  else
+    fd = open("/dev/null", O_RDONLY);
+
+  con->pipe_pid = pipe_command(con, fd, &(con->file), command, options);
+
+  close(fd);
+
+  LogMessage(L_INFO, "Started \"%s\" (pid=%d)", command, con->pipe_pid);
+
+  LogMessage(L_DEBUG, "SendCommand() %d file=%d", con->http.fd, con->file);
+
+  if (con->pipe_pid == 0)
+    return (0);
+
+  fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+
+  LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to InputSet...", con->file);
+  LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to OutputSet...",
+             con->http.fd);
+
+  FD_SET(con->file, &InputSet);
+  FD_SET(con->http.fd, &OutputSet);
+
+  if (!SendHeader(con, HTTP_OK, NULL))
+    return (0);
+
+  if (con->http.version == HTTP_1_1)
+  {
+    con->http.data_encoding = HTTP_ENCODE_CHUNKED;
+
+    if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0)
+      return (0);
+  }
+
+  con->got_fields = 0;
+  con->field_col  = 0;
+
+  return (1);
+}
+
+
+/*
+ * 'SendError()' - Send an error message via HTTP.
+ */
+
+int				/* O - 1 if successful, 0 otherwise */
+SendError(client_t      *con,	/* I - Connection */
+          http_status_t code)	/* I - Error code */
+{
+  char		message[1024];	/* Message for user */
+
+
+ /*
+  * Put the request in the access_log file...
+  */
+
+  if (con->operation > HTTP_WAITING)
+    LogRequest(con, code);
+
+  LogMessage(L_DEBUG, "SendError() %d code=%d", con->http.fd, code);
+
+ /*
+  * To work around bugs in some proxies, don't use Keep-Alive for some
+  * error messages...
+  */
+
+  if (code >= HTTP_BAD_REQUEST)
+    con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+
+ /*
+  * Send an error message back to the client.  If the error code is a
+  * 400 or 500 series, make sure the message contains some text, too!
+  */
+
+  if (!SendHeader(con, code, NULL))
+    return (0);
+
+#ifdef HAVE_LIBSSL
+  if (code == HTTP_UPGRADE_REQUIRED)
+    if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0)
+      return (0);
+
+  if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0)
+    return (0);
+#endif /* HAVE_LIBSSL */
+
+  if (con->http.version >= HTTP_1_1 && !con->http.keep_alive)
+  {
+    if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0)
+      return (0);
+  }
+
+  if (code >= HTTP_BAD_REQUEST)
+  {
+   /*
+    * Send a human-readable error message.
+    */
+
+    snprintf(message, sizeof(message),
+             "<HTML><HEAD><TITLE>%d %s</TITLE></HEAD>"
+             "<BODY><H1>%s</H1>%s</BODY></HTML>\n",
+             code, httpStatus(code), httpStatus(code),
+	     con->language ? con->language->messages[code] :
+	 	            httpStatus(code));
+
+    if (httpPrintf(HTTP(con), "Content-Type: text/html\r\n") < 0)
+      return (0);
+    if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", strlen(message)) < 0)
+      return (0);
+    if (httpPrintf(HTTP(con), "\r\n") < 0)
+      return (0);
+    if (httpPrintf(HTTP(con), "%s", message) < 0)
+      return (0);
+  }
+  else if (httpPrintf(HTTP(con), "\r\n") < 0)
+    return (0);
+
+  con->http.state = HTTP_WAITING;
+
+  return (1);
+}
+
+
+/*
+ * 'SendFile()' - Send a file via HTTP.
+ */
+
+int
+SendFile(client_t    *con,
+         http_status_t code,
+	 char        *filename,
+	 char        *type,
+	 struct stat *filestats)
+{
+  con->file = open(filename, O_RDONLY);
+
+  LogMessage(L_DEBUG, "SendFile() %d file=%d", con->http.fd, con->file);
+
+  if (con->file < 0)
+    return (0);
+
+  fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+
+  con->pipe_pid = 0;
+
+  if (!SendHeader(con, code, type))
+    return (0);
+
+  if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", httpGetDateString(filestats->st_mtime)) < 0)
+    return (0);
+  if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n",
+                 (unsigned long)filestats->st_size) < 0)
+    return (0);
+  if (httpPrintf(HTTP(con), "\r\n") < 0)
+    return (0);
+
+  LogMessage(L_DEBUG2, "SendFile: Adding fd %d to OutputSet...", con->http.fd);
+
+  FD_SET(con->http.fd, &OutputSet);
+
+  return (1);
+}
+
+
+/*
+ * 'SendHeader()' - Send an HTTP request.
+ */
+
+int				/* O - 1 on success, 0 on failure */
+SendHeader(client_t    *con,	/* I - Client to send to */
+           http_status_t code,	/* I - HTTP status code */
+	   char        *type)	/* I - MIME type of document */
+{
+  location_t	*loc;		/* Authentication location */
+
+
+  if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100,
+                 con->http.version % 100, code, httpStatus(code)) < 0)
+    return (0);
+  if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0)
+    return (0);
+  if (httpPrintf(HTTP(con), "Server: CUPS/1.1\r\n") < 0)
+    return (0);
+  if (con->http.keep_alive && con->http.version >= HTTP_1_0)
+  {
+    if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0)
+      return (0);
+    if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", KeepAliveTimeout) < 0)
+      return (0);
+  }
+  if (code == HTTP_METHOD_NOT_ALLOWED)
+    if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0)
+      return (0);
+
+  if (code == HTTP_UNAUTHORIZED)
+  {
+   /*
+    * This already succeeded in IsAuthorized...
+    */
+
+    loc = FindBest(con->uri, con->http.state);
+
+    if (loc->type != AUTH_DIGEST)
+    {
+      if (httpPrintf(HTTP(con), "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0)
+	return (0);
+    }
+    else
+    {
+      if (httpPrintf(HTTP(con), "WWW-Authenticate: Digest realm=\"CUPS\" "
+                                "nonce=\"%s\"\r\n", con->http.hostname) < 0)
+	return (0);
+    }
+  }
+  if (con->language != NULL)
+  {
+    if (httpPrintf(HTTP(con), "Content-Language: %s\r\n",
+                   con->language->language) < 0)
+      return (0);
+
+    if (type != NULL)
+      if (httpPrintf(HTTP(con), "Content-Type: %s; charset=%s\r\n", type,
+                     cupsLangEncoding(con->language)) < 0)
+        return (0);
+  }
+  else if (type != NULL)
+    if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0)
+      return (0);
+
+  return (1);
+}
+
+
+/*
+ * 'WriteClient()' - Write data to a client as needed.
+ */
+
+int					/* O - 1 if success, 0 if fail */
+WriteClient(client_t *con)		/* I - Client connection */
+{
+  int		bytes;			/* Number of bytes written */
+  char		buf[HTTP_MAX_BUFFER + 1];/* Data buffer */
+  char		*bufptr;		/* Pointer into buffer */
+  ipp_state_t	ipp_state;		/* IPP state value */
+
+
+  if (con->http.state != HTTP_GET_SEND &&
+      con->http.state != HTTP_POST_SEND)
+    return (1);
+
+  if (con->response != NULL)
+  {
+    ipp_state = ippWrite(&(con->http), con->response);
+    bytes     = ipp_state != IPP_ERROR && ipp_state != IPP_DATA;
+  }
+  else if ((bytes = read(con->file, buf, HTTP_MAX_BUFFER)) > 0)
+  {
+    if (con->pipe_pid && !con->got_fields)
+    {
+     /*
+      * Inspect the data for Content-Type and other fields.
+      */
+
+      buf[bytes] = '\0';
+
+      for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++)
+        if (*bufptr == '\n')
+	{
+	 /*
+	  * Send line to client...
+	  */
+
+	  if (bufptr > buf && bufptr[-1] == '\r')
+	    bufptr[-1] = '\0';
+	  *bufptr++ = '\0';
+
+	  httpPrintf(HTTP(con), "%s\r\n", buf);
+	  LogMessage(L_DEBUG2, "WriteClient() %d %s", con->http.fd, buf);
+
+         /*
+	  * Update buffer...
+	  */
+
+	  bytes -= (bufptr - buf);
+	  memcpy(buf, bufptr, bytes + 1);
+	  bufptr = buf - 1;
+
+         /*
+	  * See if the line was empty...
+	  */
+
+	  if (con->field_col == 0)
+	    con->got_fields = 1;
+	  else
+	    con->field_col = 0;
+	}
+	else if (*bufptr != '\r')
+	  con->field_col ++;
+
+      if (bytes > 0 && !con->got_fields)
+      {
+       /*
+        * Remaining text needs to go out...
+	*/
+
+        httpPrintf(HTTP(con), "%s", buf);
+
+        con->http.activity = time(NULL);
+        return (1);
+      }
+      else if (bytes == 0)
+      {
+        con->http.activity = time(NULL);
+        return (1);
+      }
+    }
+
+    if (httpWrite(HTTP(con), buf, bytes) < 0)
+    {
+      CloseClient(con);
+      return (0);
+    }
+
+    con->bytes += bytes;
+  }
+
+  if (bytes <= 0)
+  {
+    LogRequest(con, HTTP_OK);
+
+    if (con->http.data_encoding == HTTP_ENCODE_CHUNKED)
+    {
+      if (httpPrintf(HTTP(con), "0\r\n\r\n") < 0)
+      {
+        CloseClient(con);
+	return (0);
+      }
+    }
+
+    con->http.state = HTTP_WAITING;
+
+    LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from OutputSet...",
+               con->http.fd);
+
+    FD_CLR(con->http.fd, &OutputSet);
+
+    if (con->file)
+    {
+      LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from InputSet...",
+                 con->file);
+      FD_CLR(con->file, &InputSet);
+
+      if (con->pipe_pid)
+	kill(con->pipe_pid, SIGTERM);
+
+      LogMessage(L_DEBUG2, "WriteClient: %d Closing data file %d.",
+                 con->http.fd, con->file);
+
+      close(con->file);
+      con->file     = 0;
+      con->pipe_pid = 0;
+    }
+
+    if (con->filename[0])
+    {
+      LogMessage(L_DEBUG2, "WriteClient: %d Removing temp file %s",
+                 con->http.fd, con->filename);
+      unlink(con->filename);
+      con->filename[0] = '\0';
+    }
+
+    if (con->request != NULL)
+    {
+      ippDelete(con->request);
+      con->request = NULL;
+    }
+
+    if (con->response != NULL)
+    {
+      ippDelete(con->response);
+      con->response = NULL;
+    }
+
+    if (!con->http.keep_alive)
+    {
+      CloseClient(con);
+      return (0);
+    }
+  }
+
+  if (bytes >= 1024)
+    LogMessage(L_DEBUG2, "WriteClient() %d %d bytes", con->http.fd, bytes);
+
+  con->http.activity = time(NULL);
+
+  return (1);
+}
+
+
+/*
+ * 'check_if_modified()' - Decode an "If-Modified-Since" line.
+ */
+
+static int					/* O - 1 if modified since */
+check_if_modified(client_t    *con,		/* I - Client connection */
+                  struct stat *filestats)	/* I - File information */
+{
+  char		*ptr;				/* Pointer into field */
+  time_t	date;				/* Time/date value */
+  int		size;				/* Size/length value */
+
+
+  size = 0;
+  date = 0;
+  ptr  = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE];
+
+  if (*ptr == '\0')
+    return (1);
+
+  LogMessage(L_DEBUG2, "check_if_modified() %d If-Modified-Since=\"%s\"",
+             con->http.fd, ptr);
+
+  while (*ptr != '\0')
+  {
+    while (isspace(*ptr) || *ptr == ';')
+      ptr ++;
+
+    if (strncasecmp(ptr, "length=", 7) == 0)
+    {
+      ptr += 7;
+      size = atoi(ptr);
+
+      while (isdigit(*ptr))
+        ptr ++;
+    }
+    else if (isalpha(*ptr))
+    {
+      date = httpGetDateTime(ptr);
+      while (*ptr != '\0' && *ptr != ';')
+        ptr ++;
+    }
+  }
+
+  LogMessage(L_DEBUG2, "check_if_modified() %d sizes=%d,%d dates=%d,%d",
+             con->http.fd, size, filestats->st_size, date, filestats->st_mtime);
+
+  return ((size != filestats->st_size && size != 0) ||
+          (date < filestats->st_mtime && date != 0) ||
+	  (size == 0 && date == 0));
+}
+
+
+/*
+ * 'decode_auth()' - Decode an authorization string.
+ */
+
+static void
+decode_auth(client_t *con)		/* I - Client to decode to */
+{
+  char		*s,			/* Authorization string */
+		value[1024];		/* Value string */
+  const char	*username;		/* Certificate username */
+
+
+ /*
+  * Decode the string...
+  */
+
+  s = con->http.fields[HTTP_FIELD_AUTHORIZATION];
+
+  LogMessage(L_DEBUG2, "decode_auth(%08x): Authorization string = \"%s\"",
+             con, s);
+
+  if (strncmp(s, "Basic", 5) == 0)
+  {
+    s += 5;
+    while (isspace(*s))
+      s ++;
+
+    httpDecode64(value, s);
+
+   /*
+    * Pull the username and password out...
+    */
+
+    if ((s = strchr(value, ':')) == NULL)
+    {
+      LogMessage(L_DEBUG, "decode_auth() %d no colon in auth string \"%s\"",
+        	 con->http.fd, value);
+      return;
+    }
+
+    *s++ = '\0';
+
+    strncpy(con->username, value, sizeof(con->username) - 1);
+    con->username[sizeof(con->username) - 1] = '\0';
+
+    strncpy(con->password, s, sizeof(con->password) - 1);
+    con->password[sizeof(con->password) - 1] = '\0';
+  }
+  else if (strncmp(s, "Local", 5) == 0)
+  {
+    s += 5;
+    while (isspace(*s))
+      s ++;
+
+    if ((username = FindCert(s)) != NULL)
+    {
+      strncpy(con->username, username, sizeof(con->username) - 1);
+      con->username[sizeof(con->username) - 1] = '\0';
+    }
+  }
+  else if (strncmp(s, "Digest", 5) == 0)
+  {
+   /*
+    * Get the username and password from the Digest attributes...
+    */
+
+    if (httpGetSubField(&(con->http), HTTP_FIELD_AUTHORIZATION, "username",
+                        value))
+    {
+      strncpy(con->username, value, sizeof(con->username) - 1);
+      con->username[sizeof(con->username) - 1] = '\0';
+    }
+
+    if (httpGetSubField(&(con->http), HTTP_FIELD_AUTHORIZATION, "response",
+                        value))
+    {
+      strncpy(con->password, value, sizeof(con->password) - 1);
+      con->password[sizeof(con->password) - 1] = '\0';
+    }
+  }
+
+  LogMessage(L_DEBUG2, "decode_auth() %d username=\"%s\"",
+             con->http.fd, con->username);
+}
+
+
+/*
+ * 'get_file()' - Get a filename and state info.
+ */
+
+static char *			/* O - Real filename */
+get_file(client_t    *con,	/* I - Client connection */
+         struct stat *filestats)/* O - File information */
+{
+  int		status;		/* Status of filesystem calls */
+  char		*params;	/* Pointer to parameters in URI */
+  static char	filename[1024];	/* Filename buffer */
+
+
+ /*
+  * Need to add DocumentRoot global...
+  */
+
+  if (strncmp(con->uri, "/ppd/", 5) == 0)
+    snprintf(filename, sizeof(filename), "%s%s", ServerRoot, con->uri);
+  else if (strncmp(con->uri, "/admin/conf/", 12) == 0)
+    snprintf(filename, sizeof(filename), "%s%s", ServerRoot, con->uri + 11);
+  else if (con->language != NULL)
+    snprintf(filename, sizeof(filename), "%s/%s%s", DocumentRoot, con->language->language,
+            con->uri);
+  else
+    snprintf(filename, sizeof(filename), "%s%s", DocumentRoot, con->uri);
+
+  if ((params = strchr(filename, '?')) != NULL)
+    *params = '\0';
+
+ /*
+  * Grab the status for this language; if there isn't a language-specific file
+  * then fallback to the default one...
+  */
+
+  if ((status = stat(filename, filestats)) != 0 && con->language != NULL)
+  {
+   /*
+    * Drop the language prefix and try the current directory...
+    */
+
+    if (strncmp(con->uri, "/ppd/", 5) != 0 &&
+        strncmp(con->uri, "/admin/conf/", 12) != 0)
+    {
+      snprintf(filename, sizeof(filename), "%s%s", DocumentRoot, con->uri);
+
+      status = stat(filename, filestats);
+    }
+  }
+
+ /*
+  * If we're found a directory, get the index.html file instead...
+  */
+
+  if (!status && S_ISDIR(filestats->st_mode))
+  {
+    if (filename[strlen(filename) - 1] == '/')
+      strncat(filename, "index.html", sizeof(filename));
+    else
+      strncat(filename, "/index.html", sizeof(filename));
+
+    filename[sizeof(filename) - 1] = '\0';
+
+    status = stat(filename, filestats);
+  }
+
+  LogMessage(L_DEBUG2, "get_file() %d filename=%s size=%d",
+             con->http.fd, filename, status ? -1 : filestats->st_size);
+
+  if (status)
+    return (NULL);
+  else
+    return (filename);
+}
+
+
+/*
+ * 'install_conf_file()' - Install a configuration file.
+ */
+
+static http_status_t			/* O - Status */
+install_conf_file(client_t *con)	/* I - Connection */
+{
+  FILE		*in,			/* Input file */
+		*out;			/* Output file */
+  char		buffer[1024];		/* Copy buffer */
+  int		bytes;			/* Number of bytes */
+  char		conffile[1024],		/* Configuration filename */
+		newfile[1024],		/* New config filename */
+		oldfile[1024];		/* Old config filename */
+  struct stat	confinfo;		/* Config file info */
+
+
+ /*
+  * First construct the filenames...
+  */
+
+  snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11);
+  snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11);
+  snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11);
+
+  LogMessage(L_INFO, "Installing config file \"%s\"...", conffile);
+
+ /*
+  * Get the owner, group, and permissions of the configuration file.
+  * If it doesn't exist, assign it to the User and Group in the
+  * cupsd.conf file with mode 0640 permissions.
+  */
+
+  if (stat(conffile, &confinfo))
+  {
+    confinfo.st_uid  = User;
+    confinfo.st_gid  = Group;
+    confinfo.st_mode = 0640;
+  }
+
+ /*
+  * Open the request file and new config file...
+  */
+
+  if ((in = fopen(con->filename, "rb")) == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to open request file \"%s\" - %s",
+               con->filename, strerror(errno));
+    return (HTTP_SERVER_ERROR);
+  }
+
+  if ((out = fopen(newfile, "wb")) == NULL)
+  {
+    fclose(in);
+    LogMessage(L_ERROR, "Unable to open config file \"%s\" - %s",
+               newfile, strerror(errno));
+    return (HTTP_SERVER_ERROR);
+  }
+
+  fchmod(fileno(out), confinfo.st_mode);
+  fchown(fileno(out), confinfo.st_uid, confinfo.st_gid);
+
+ /*
+  * Copy from the request to the new config file...
+  */
+
+  while ((bytes = fread(buffer, 1, sizeof(buffer), in)) > 0)
+    if (fwrite(buffer, 1, bytes, out) < bytes)
+    {
+      LogMessage(L_ERROR, "Unable to copy to config file \"%s\" - %s",
+        	 newfile, strerror(errno));
+
+      fclose(in);
+      fclose(out);
+      unlink(newfile);
+
+      return (HTTP_SERVER_ERROR);
+    }
+
+ /*
+  * Close the files...
+  */
+
+  fclose(in);
+  if (fclose(out))
+  {
+    LogMessage(L_ERROR, "Error file closing config file \"%s\" - %s",
+               newfile, strerror(errno));
+
+    unlink(newfile);
+
+    return (HTTP_SERVER_ERROR);
+  }
+
+ /*
+  * Remove the request file...
+  */
+
+  unlink(con->filename);
+  con->filename[0] = '\0';
+
+ /*
+  * Unlink the old backup, rename the current config file to the backup
+  * filename, and rename the new config file to the config file name...
+  */
+
+  if (unlink(oldfile))
+    if (errno != ENOENT)
+    {
+      LogMessage(L_ERROR, "Unable to remove backup config file \"%s\" - %s",
+        	 oldfile, strerror(errno));
+
+      unlink(newfile);
+
+      return (HTTP_SERVER_ERROR);
+    }
+
+  if (rename(conffile, oldfile))
+    if (errno != ENOENT)
+    {
+      LogMessage(L_ERROR, "Unable to rename old config file \"%s\" - %s",
+        	 conffile, strerror(errno));
+
+      unlink(newfile);
+
+      return (HTTP_SERVER_ERROR);
+    }
+
+  if (rename(newfile, conffile))
+  {
+    LogMessage(L_ERROR, "Unable to rename new config file \"%s\" - %s",
+               newfile, strerror(errno));
+
+    rename(oldfile, conffile);
+    unlink(newfile);
+
+    return (HTTP_SERVER_ERROR);
+  }
+
+ /*
+  * If the cupsd.conf file was updated, set the NeedReload flag...
+  */
+
+  if (strcmp(con->uri, "/admin/conf/cupsd.conf") == 0)
+    NeedReload = TRUE;
+
+ /*
+  * Return that the file was created successfully...
+  */
+
+  return (HTTP_CREATED);
+}
+
+
+/*
+ * 'pipe_command()' - Pipe the output of a command to the remote client.
+ */
+
+static int			/* O - Process ID */
+pipe_command(client_t *con,	/* I - Client connection */
+             int      infile,	/* I - Standard input for command */
+             int      *outfile,	/* O - Standard output for command */
+	     char     *command,	/* I - Command to run */
+	     char     *options)	/* I - Options for command */
+{
+  int	pid;			/* Process ID */
+  char	*commptr;		/* Command string pointer */
+  int	fd;			/* Looping var */
+  int	fds[2];			/* Pipe FDs */
+  int	argc;			/* Number of arguments */
+  int	envc;			/* Number of environment variables */
+  char	argbuf[10240],		/* Argument buffer */
+	*argv[100],		/* Argument strings */
+	*envp[100];		/* Environment variables */
+  char	lang[1024],		/* LANG env variable */
+	content_length[1024],	/* CONTENT_LENGTH env variable */
+	content_type[1024],	/* CONTENT_TYPE env variable */
+	ipp_port[1024],		/* Default listen port */
+	server_port[1024],	/* Default server port */
+	server_name[1024],	/* Default listen hostname */
+	remote_host[1024],	/* REMOTE_HOST env variable */
+	remote_user[1024],	/* REMOTE_USER env variable */
+	tmpdir[1024],		/* TMPDIR environment variable */
+	ldpath[1024],		/* LD_LIBRARY_PATH environment variable */
+	datadir[1024],		/* CUPS_DATADIR environment variable */
+	root[1024],		/* CUPS_SERVERROOT environment variable */
+	query_string[10240];	/* QUERY_STRING env variable */
+
+
+ /*
+  * Copy the command string...
+  */
+
+  strncpy(argbuf, options, sizeof(argbuf) - 1);
+  argbuf[sizeof(argbuf) - 1] = '\0';
+
+ /*
+  * Parse the string; arguments can be separated by + and are terminated
+  * by ?...
+  */
+
+  argv[0] = argbuf;
+
+  for (commptr = argbuf, argc = 1; *commptr != '\0' && argc < 99; commptr ++)
+    if (*commptr == ' ' || *commptr == '+')
+    {
+      *commptr++ = '\0';
+
+      while (*commptr == ' ')
+        commptr ++;
+
+      if (*commptr != '\0')
+      {
+        argv[argc] = commptr;
+	argc ++;
+      }
+
+      commptr --;
+    }
+    else if (*commptr == '%')
+    {
+      if (commptr[1] >= '0' && commptr[1] <= '9')
+        *commptr = (commptr[1] - '0') << 4;
+      else
+        *commptr = (tolower(commptr[1]) - 'a' + 10) << 4;
+
+      if (commptr[2] >= '0' && commptr[2] <= '9')
+        *commptr |= commptr[2] - '0';
+      else
+        *commptr |= tolower(commptr[2]) - 'a' + 10;
+
+      strcpy(commptr + 1, commptr + 3);
+    }
+    else if (*commptr == '?')
+      break;
+
+  argv[argc] = NULL;
+
+  if (argv[0][0] == '\0')
+    argv[0] = strrchr(command, '/') + 1;
+
+ /*
+  * Setup the environment variables as needed...
+  */
+
+  snprintf(lang, sizeof(lang), "LANG=%s",
+           con->language ? con->language->language : "C");
+  sprintf(ipp_port, "IPP_PORT=%d", ntohs(con->http.hostaddr.sin_port));
+  sprintf(server_port, "SERVER_PORT=%d", ntohs(con->http.hostaddr.sin_port));
+  snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", ServerName);
+  snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", con->http.hostname);
+  snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username);
+  snprintf(tmpdir, sizeof(tmpdir), "TMPDIR=%s", TempDir);
+  snprintf(datadir, sizeof(datadir), "CUPS_DATADIR=%s", DataDir);
+  snprintf(root, sizeof(root), "CUPS_SERVERROOT=%s", ServerRoot);
+
+  if (getenv("LD_LIBRARY_PATH") != NULL)
+    snprintf(ldpath, sizeof(ldpath), "LD_LIBRARY_PATH=%s", getenv("LD_LIBRARY_PATH"));
+  else
+    ldpath[0] = '\0';
+
+  envp[0]  = "PATH=/bin:/usr/bin";
+  envp[1]  = "SERVER_SOFTWARE=CUPS/1.1";
+  envp[2]  = "GATEWAY_INTERFACE=CGI/1.1";
+  envp[3]  = "SERVER_PROTOCOL=HTTP/1.1";
+  envp[4]  = ipp_port;
+  envp[5]  = server_name;
+  envp[6]  = server_port;
+  envp[7]  = remote_host;
+  envp[8]  = remote_user;
+  envp[9]  = lang;
+  envp[10] = TZ;
+  envp[11] = tmpdir;
+  envp[12] = datadir;
+  envp[13] = root;
+
+  envc = 14;
+
+  if (ldpath[0])
+    envp[envc ++] = ldpath;
+
+  if (con->operation == HTTP_GET)
+  {
+    envp[envc ++] = "REQUEST_METHOD=GET";
+
+    if (*commptr)
+    {
+     /*
+      * Add GET form variables after ?...
+      */
+
+      *commptr++ = '\0';
+
+      snprintf(query_string, sizeof(query_string), "QUERY_STRING=%s", commptr);
+      envp[envc ++] = query_string;
+    }
+  }
+  else
+  {
+    sprintf(content_length, "CONTENT_LENGTH=%d", con->bytes);
+    snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s",
+             con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
+
+    envp[envc ++] = "REQUEST_METHOD=POST";
+    envp[envc ++] = content_length;
+    envp[envc ++] = content_type;
+  }
+
+ /*
+  * Tell the CGI if we are using encryption...
+  */
+
+  if (con->http.encryption >= HTTP_ENCRYPT_REQUIRED)
+    envp[envc ++] = "HTTPS=ON";
+
+  envp[envc] = NULL;
+
+ /*
+  * Create a pipe for the output...
+  */
+
+  if (pipe(fds))
+  {
+    LogMessage(L_ERROR, "Unable to create pipes for CGI %s - %s",
+               argv[0], strerror(errno));
+    return (0);
+  }
+
+ /*
+  * Then execute the command...
+  */
+
+  if ((pid = fork()) == 0)
+  {
+   /*
+    * Child comes here...  Close stdin if necessary and dup the pipe to stdout.
+    */
+
+    if (getuid() == 0)
+    {
+     /*
+      * Running as root, so change to a non-priviledged user...
+      */
+
+      if (setgid(Group))
+        exit(errno);
+
+      if (setuid(User))
+        exit(errno);
+    }
+
+   /*
+    * Reset group membership to just the main one we belong to.
+    */
+
+    setgroups(0, NULL);
+
+   /*
+    * Update stdin/stdout...
+    */
+
+    if (infile)
+    {
+      close(0);
+      if (dup(infile) < 0)
+	exit(errno);
+    }
+
+    close(1);
+    if (dup(fds[1]) < 0)
+      exit(errno);
+
+   /*
+    * Close extra file descriptors...
+    */
+
+    for (fd = 3; fd < MaxFDs; fd ++)
+      close(fd);
+
+   /*
+    * Change umask to restrict permissions on created files...
+    */
+
+    umask(077);
+
+   /*
+    * Execute the pipe program; if an error occurs, exit with status 1...
+    */
+
+    execve(command, argv, envp);
+    exit(errno);
+    return (0);
+  }
+  else if (pid < 0)
+  {
+   /*
+    * Error - can't fork!
+    */
+
+    LogMessage(L_ERROR, "Unable to fork for CGI %s - %s", argv[0],
+               strerror(errno));
+
+    close(fds[0]);
+    close(fds[1]);
+    return (0);
+  }
+  else
+  {
+   /*
+    * Fork successful - return the PID...
+    */
+
+    AddCert(pid, con->username);
+
+    LogMessage(L_DEBUG, "CGI %s started - PID = %d", command, pid);
+
+    *outfile = fds[0];
+    close(fds[1]);
+
+    return (pid);
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/client.h b/scheduler/client.h
new file mode 100644
index 000000000..2517605f8
--- /dev/null
+++ b/scheduler/client.h
@@ -0,0 +1,104 @@
+/*
+ * "$Id$"
+ *
+ *   Client definitions for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * HTTP client structure...
+ */
+
+typedef struct
+{
+  http_t	http;			/* HTTP client connection */
+  ipp_t		*request,		/* IPP request information */
+		*response;		/* IPP response information */
+  time_t	start;			/* Request start time */
+  http_state_t	operation;		/* Request operation */
+  int		bytes;			/* Bytes transferred for this request */
+  char		username[33],		/* Username from Authorization: line */
+		password[33],		/* Password from Authorization: line */
+		uri[HTTP_MAX_URI],	/* Localized URL/URI for GET/PUT */
+		filename[HTTP_MAX_URI],	/* Filename of output file */
+		command[HTTP_MAX_URI],	/* Command to run */
+		*options;		/* Options for command */
+  int		file;			/* Input/output file */
+  int		pipe_pid;		/* Pipe process ID (or 0 if not a pipe) */
+  int		got_fields,		/* Non-zero if all fields seen */
+		field_col;		/* Column within line */
+  cups_lang_t	*language;		/* Language to use */
+} client_t;
+
+#define HTTP(con) &((con)->http)
+
+
+/*
+ * HTTP listener structure...
+ */
+
+typedef struct
+{
+  int			fd;		/* File descriptor for this server */
+  struct sockaddr_in	address;	/* Bind address of socket */
+  http_encryption_t	encryption;	/* To encrypt or not to encrypt... */
+} listener_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR int			ListenBackLog	VALUE(SOMAXCONN);
+VAR int			NumListeners	VALUE(0);
+					/* Number of listening sockets */
+VAR listener_t		Listeners[MAX_LISTENERS];
+					/* Listening sockets */
+VAR int			NumClients	VALUE(0);
+					/* Number of HTTP clients */
+VAR client_t		*Clients	VALUE(NULL);
+					/* HTTP clients */
+VAR struct sockaddr_in	ServerAddr;	/* Server IP address */
+
+
+/*
+ * Prototypes...
+ */
+
+extern void	AcceptClient(listener_t *lis);
+extern void	CloseAllClients(void);
+extern void	CloseClient(client_t *con);
+extern int	EncryptClient(client_t *con);
+extern void	PauseListening(void);
+extern void	ProcessIPPRequest(client_t *con);
+extern int	ReadClient(client_t *con);
+extern void	ResumeListening(void);
+extern int	SendCommand(client_t *con, char *command, char *options);
+extern int	SendError(client_t *con, http_status_t code);
+extern int	SendFile(client_t *con, http_status_t code, char *filename,
+		         char *type, struct stat *filestats);
+extern int	SendHeader(client_t *con, http_status_t code, char *type);
+extern void	StartListening(void);
+extern void	StopListening(void);
+extern int	WriteClient(client_t *con);
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/conf.c b/scheduler/conf.c
new file mode 100644
index 000000000..c4a5480ef
--- /dev/null
+++ b/scheduler/conf.c
@@ -0,0 +1,1868 @@
+/*
+ * "$Id$"
+ *
+ *   Configuration routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ReadConfiguration()  - Read the cupsd.conf file.
+ *   read_configuration() - Read a configuration file.
+ *   read_location()      - Read a <Location path> definition.
+ *   get_address()        - Get an address + port number from a line.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <stdarg.h>
+#include <pwd.h>
+#include <grp.h>
+#include <sys/resource.h>
+
+#ifdef HAVE_VSYSLOG
+#  include <syslog.h>
+#endif /* HAVE_VSYSLOG */
+
+
+/*
+ * Possibly missing network definitions...
+ */
+
+#ifndef INADDR_NONE
+#  define INADDR_NONE	0xffffffff
+#endif /* !INADDR_NONE */
+
+
+/*
+ * Configuration variable structure...
+ */
+
+typedef struct
+{
+  char	*name;		/* Name of variable */
+  void	*ptr;		/* Pointer to variable */
+  int	type,		/* Type (int, string, address) */
+	size;		/* Size of string */
+} var_t;
+
+#define VAR_INTEGER	0
+#define VAR_STRING	1
+#define VAR_BOOLEAN	2
+
+
+/*
+ * Local globals...
+ */
+
+static var_t	variables[] =
+{
+  { "AccessLog",	AccessLog,		VAR_STRING,	sizeof(AccessLog) },
+  { "AutoPurgeJobs", 	&JobAutoPurge,		VAR_BOOLEAN,	0 },
+  { "BrowseInterval",	&BrowseInterval,	VAR_INTEGER,	0 },
+  { "BrowsePort",	&BrowsePort,		VAR_INTEGER,	0 },
+  { "BrowseShortNames",	&BrowseShortNames,	VAR_BOOLEAN,	0 },
+  { "BrowseTimeout",	&BrowseTimeout,		VAR_INTEGER,	0 },
+  { "Browsing",		&Browsing,		VAR_BOOLEAN,	0 },
+  { "Classification",	Classification,		VAR_STRING,	sizeof(Classification) },
+  { "ClassifyOverride",	&ClassifyOverride,	VAR_BOOLEAN,	0 },
+  { "DataDir",		DataDir,		VAR_STRING,	sizeof(DataDir) },
+  { "DefaultCharset",	DefaultCharset,		VAR_STRING,	sizeof(DefaultCharset) },
+  { "DefaultLanguage",	DefaultLanguage,	VAR_STRING,	sizeof(DefaultLanguage) },
+  { "DocumentRoot",	DocumentRoot,		VAR_STRING,	sizeof(DocumentRoot) },
+  { "ErrorLog",		ErrorLog,		VAR_STRING,	sizeof(ErrorLog) },
+  { "FilterLimit",	&FilterLimit,		VAR_INTEGER,	0 },
+  { "FontPath",		FontPath,		VAR_STRING,	sizeof(FontPath) },
+  { "HideImplicitMembers", &HideImplicitMembers, VAR_BOOLEAN,	0 },
+  { "ImplicitClasses",	&ImplicitClasses,	VAR_BOOLEAN,	0 },
+  { "ImplicitAnyClasses", &ImplicitAnyClasses,	VAR_BOOLEAN,	0 },
+  { "KeepAliveTimeout",	&KeepAliveTimeout,	VAR_INTEGER,	0 },
+  { "KeepAlive",	&KeepAlive,		VAR_BOOLEAN,	0 },
+  { "LimitRequestBody",	&MaxRequestSize,	VAR_INTEGER,	0 },
+  { "ListenBackLog",	&ListenBackLog,		VAR_INTEGER,	0 },
+  { "MaxClients",	&MaxClients,		VAR_INTEGER,	0 },
+  { "MaxJobs",		&MaxJobs,		VAR_INTEGER,	0 },
+  { "MaxJobsPerPrinter",&MaxJobsPerPrinter,	VAR_INTEGER,	0 },
+  { "MaxJobsPerUser",	&MaxJobsPerUser,	VAR_INTEGER,	0 },
+  { "MaxLogSize",	&MaxLogSize,		VAR_INTEGER,	0 },
+  { "MaxRequestSize",	&MaxRequestSize,	VAR_INTEGER,	0 },
+  { "PageLog",		PageLog,		VAR_STRING,	sizeof(PageLog) },
+  { "PreserveJobFiles",	&JobFiles,		VAR_BOOLEAN,	0 },
+  { "PreserveJobHistory", &JobHistory,		VAR_BOOLEAN,	0 },
+  { "Printcap",		Printcap,		VAR_STRING,	sizeof(Printcap) },
+  { "PrintcapGUI",	PrintcapGUI,		VAR_STRING,	sizeof(PrintcapGUI) },
+  { "RemoteRoot",	RemoteRoot,		VAR_STRING,	sizeof(RemoteRoot) },
+  { "RequestRoot",	RequestRoot,		VAR_STRING,	sizeof(RequestRoot) },
+  { "RIPCache",		RIPCache,		VAR_STRING,	sizeof(RIPCache) },
+  { "RunAsUser", 	&RunAsUser,		VAR_BOOLEAN,	0 },
+  { "ServerAdmin",	ServerAdmin,		VAR_STRING,	sizeof(ServerAdmin) },
+  { "ServerBin",	ServerBin,		VAR_STRING,	sizeof(ServerBin) },
+#ifdef HAVE_LIBSSL
+  { "ServerCertificate",ServerCertificate,	VAR_STRING,	sizeof(ServerCertificate) },
+  { "ServerKey",	ServerKey,		VAR_STRING,	sizeof(ServerKey) },
+#endif /* HAVE_LIBSSL */
+  { "ServerName",	ServerName,		VAR_STRING,	sizeof(ServerName) },
+  { "ServerRoot",	ServerRoot,		VAR_STRING,	sizeof(ServerRoot) },
+  { "TempDir",		TempDir,		VAR_STRING,	sizeof(TempDir) },
+  { "Timeout",		&Timeout,		VAR_INTEGER,	0 }
+};
+#define NUM_VARS	(sizeof(variables) / sizeof(variables[0]))
+
+
+/*
+ * Local functions...
+ */
+
+static int	read_configuration(FILE *fp);
+static int	read_location(FILE *fp, char *name, int linenum);
+static int	get_address(char *value, unsigned defaddress, int defport,
+		            struct sockaddr_in *address);
+
+
+/*
+ * 'ReadConfiguration()' - Read the cupsd.conf file.
+ */
+
+int				/* O - 1 if file read successfully, 0 otherwise */
+ReadConfiguration(void)
+{
+  int		i;		/* Looping var */
+  FILE		*fp;		/* Configuration file */
+  int		status;		/* Return status */
+  char		directory[1024],/* Configuration directory */
+		*slash;		/* Directory separator */
+  char		type[MIME_MAX_SUPER + MIME_MAX_TYPE];
+				/* MIME type name */
+  struct rlimit	limit;		/* Runtime limit */
+  char		*language;	/* Language string */
+  struct passwd	*user;		/* Default user */
+  struct group	*group;		/* Default group */
+
+
+ /*
+  * Shutdown the server...
+  */
+
+  StopServer();
+
+ /*
+  * Free all memory...
+  */
+
+  DeleteAllClasses();
+  DeleteAllLocations();
+  DeleteAllPrinters();
+
+  DefaultPrinter = NULL;
+
+  if (Devices)
+  {
+    ippDelete(Devices);
+    Devices = NULL;
+  }
+
+  if (PPDs)
+  {
+    ippDelete(PPDs);
+    PPDs = NULL;
+  }
+
+  if (MimeDatabase != NULL)
+    mimeDelete(MimeDatabase);
+
+  if (NumMimeTypes)
+  {
+    for (i = 0; i < NumMimeTypes; i ++)
+      free((void *)MimeTypes[i]);
+
+    free(MimeTypes);
+  }
+
+  for (i = 0; i < NumRelays; i ++)
+    if (Relays[i].from.type == AUTH_NAME)
+      free(Relays[i].from.mask.name.name);
+
+  NumRelays = 0;
+
+ /*
+  * Reset the current configuration to the defaults...
+  */
+
+  NeedReload = FALSE;
+
+ /*
+  * String options...
+  */
+
+  gethostname(ServerName, sizeof(ServerName));
+  snprintf(ServerAdmin, sizeof(ServerAdmin), "root@%s", ServerName);
+  strcpy(ServerBin, CUPS_SERVERBIN);
+  strcpy(RequestRoot, CUPS_REQUESTS);
+  strcpy(DocumentRoot, CUPS_DOCROOT);
+  strcpy(DataDir, CUPS_DATADIR);
+  strcpy(AccessLog, CUPS_LOGDIR "/access_log");
+  strcpy(ErrorLog, CUPS_LOGDIR "/error_log");
+  strcpy(PageLog, CUPS_LOGDIR "/page_log");
+  strcpy(Printcap, "/etc/printcap");
+  strcpy(PrintcapGUI, "/usr/bin/glpoptions");
+  strcpy(FontPath, CUPS_FONTPATH);
+  strcpy(RemoteRoot, "remroot");
+
+  strcpy(ServerRoot, ConfigurationFile);
+  if ((slash = strrchr(ServerRoot, '/')) != NULL)
+    *slash = '\0';
+
+  Classification[0] = '\0';
+  ClassifyOverride  = 0;
+
+#ifdef HAVE_LIBSSL
+  strcpy(ServerCertificate, "ssl/server.crt");
+  strcpy(ServerKey, "ssl/server.key");
+#endif /* HAVE_LIBSSL */
+
+  if ((language = DEFAULT_LANGUAGE) == NULL)
+    language = "en";
+  else if (strcmp(language, "C") == 0 || strcmp(language, "POSIX") == 0)
+    language = "en";
+
+  strncpy(DefaultLanguage, language, sizeof(DefaultLanguage) - 1);
+  DefaultLanguage[sizeof(DefaultLanguage) - 1] = '\0';
+
+  strcpy(DefaultCharset, DEFAULT_CHARSET);
+
+  strcpy(RIPCache, "8m");
+
+  if (getenv("TMPDIR") == NULL)
+    strcpy(TempDir, CUPS_REQUESTS "/tmp");
+  else
+  {
+    strncpy(TempDir, getenv("TMPDIR"), sizeof(TempDir) - 1);
+    TempDir[sizeof(TempDir) - 1] = '\0';
+  }
+
+ /*
+  * Find the default system group: "sys", "system", or "root"...
+  */
+
+  group = getgrnam(CUPS_DEFAULT_GROUP);
+  endgrent();
+
+  NumSystemGroups = 0;
+
+  if (group != NULL)
+  {
+    strcpy(SystemGroups[0], CUPS_DEFAULT_GROUP);
+    Group = group->gr_gid;
+  }
+  else
+  {
+    group = getgrgid(0);
+    endgrent();
+
+    if (group != NULL)
+    {
+      strcpy(SystemGroups[0], group->gr_name);
+      Group = 0;
+    }
+    else
+    {
+      strcpy(SystemGroups[0], "unknown");
+      Group = 0;
+    }
+  }
+
+ /*
+  * Find the default user...
+  */
+
+  if ((user = getpwnam(CUPS_DEFAULT_USER)) == NULL)
+    User = 1;	/* Force to a non-priviledged account */
+  else
+    User = user->pw_uid;
+
+  endpwent();
+
+ /*
+  * Numeric options...
+  */
+
+  FilterLevel         = 0;
+  FilterLimit         = 0;
+  HostNameLookups     = FALSE;
+  ImplicitClasses     = TRUE;
+  ImplicitAnyClasses  = FALSE;
+  HideImplicitMembers = TRUE;
+  KeepAlive           = TRUE;
+  KeepAliveTimeout    = DEFAULT_KEEPALIVE;
+  ListenBackLog       = SOMAXCONN;
+  LogLevel            = L_ERROR;
+  MaxClients          = 100;
+  MaxLogSize          = 1024 * 1024;
+  MaxRequestSize      = 0;
+  RunAsUser           = FALSE;
+  Timeout             = DEFAULT_TIMEOUT;
+
+  BrowseInterval      = DEFAULT_INTERVAL;
+  BrowsePort          = ippPort();
+  BrowseProtocols     = BROWSE_CUPS;
+  BrowseShortNames    = TRUE;
+  BrowseTimeout       = DEFAULT_TIMEOUT;
+  Browsing            = TRUE;
+  NumBrowsers         = 0;
+  NumPolled           = 0;
+
+  NumListeners        = 0;
+
+  JobHistory          = DEFAULT_HISTORY;
+  JobFiles            = DEFAULT_FILES;
+  JobAutoPurge        = 0;
+  MaxJobs             = 500;
+  MaxJobsPerUser      = 0;
+  MaxJobsPerPrinter   = 0;
+
+ /*
+  * Read the configuration file...
+  */
+
+  if ((fp = fopen(ConfigurationFile, "r")) == NULL)
+    return (0);
+
+  status = read_configuration(fp);
+
+  fclose(fp);
+
+  if (!status)
+    return (0);
+
+ /*
+  * Use the default system group if none was supplied in cupsd.conf...
+  */
+
+  if (NumSystemGroups == 0)
+    NumSystemGroups ++;
+
+ /*
+  * Get the access control list for browsing...
+  */
+
+  BrowseACL = FindLocation("CUPS_INTERNAL_BROWSE_ACL");
+
+ /*
+  * Open the system log for cupsd if necessary...
+  */
+
+#ifdef HAVE_VSYSLOG
+  if (strcmp(AccessLog, "syslog") == 0 ||
+      strcmp(ErrorLog, "syslog") == 0 ||
+      strcmp(PageLog, "syslog") == 0)
+    openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
+#endif /* HAVE_VSYSLOG */
+
+ /*
+  * Log the configuration file that was used...
+  */
+
+  LogMessage(L_DEBUG, "ReadConfiguration() ConfigurationFile=\"%s\"",
+             ConfigurationFile);
+
+ /*
+  * Update all relative filenames to include the full path from ServerRoot...
+  */
+
+  if (DocumentRoot[0] != '/')
+  {
+    snprintf(directory, sizeof(directory), "%s/%s", ServerRoot, DocumentRoot);
+    strncpy(DocumentRoot, directory, sizeof(DocumentRoot) - 1);
+    DocumentRoot[sizeof(DocumentRoot) - 1] = '\0';
+  }
+
+  if (RequestRoot[0] != '/')
+  {
+    snprintf(directory, sizeof(directory), "%s/%s", ServerRoot, RequestRoot);
+    strncpy(RequestRoot, directory, sizeof(RequestRoot) - 1);
+    RequestRoot[sizeof(RequestRoot) - 1] = '\0';
+  }
+
+  if (ServerBin[0] != '/')
+  {
+    snprintf(directory, sizeof(directory), "%s/%s", ServerRoot, ServerBin);
+    strncpy(ServerBin, directory, sizeof(ServerBin) - 1);
+    ServerBin[sizeof(ServerBin) - 1] = '\0';
+  }
+
+#ifdef HAVE_LIBSSL
+  if (ServerCertificate[0] != '/')
+  {
+    snprintf(directory, sizeof(directory), "%s/%s", ServerRoot, ServerCertificate);
+    strncpy(ServerCertificate, directory, sizeof(ServerCertificate) - 1);
+    ServerCertificate[sizeof(ServerCertificate) - 1] = '\0';
+  }
+
+  chown(ServerCertificate, User, Group);
+  chmod(ServerCertificate, 0600);
+
+  if (ServerKey[0] != '/')
+  {
+    snprintf(directory, sizeof(directory), "%s/%s", ServerRoot, ServerKey);
+    strncpy(ServerKey, directory, sizeof(ServerKey) - 1);
+    ServerKey[sizeof(ServerKey) - 1] = '\0';
+  }
+
+  chown(ServerKey, User, Group);
+  chmod(ServerKey, 0600);
+#endif /* HAVE_LIBSSL */
+
+ /*
+  * Make sure that ServerRoot and the config files are owned and
+  * writable by the user and group in the cupsd.conf file...
+  */
+
+  chown(ServerRoot, User, Group);
+  chmod(ServerRoot, 0755);
+
+  snprintf(directory, sizeof(directory), "%s/certs", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0711);
+
+  snprintf(directory, sizeof(directory), "%s/ppd", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0755);
+
+  snprintf(directory, sizeof(directory), "%s/ssl", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0700);
+
+  snprintf(directory, sizeof(directory), "%s/cupsd.conf", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0600);
+
+  snprintf(directory, sizeof(directory), "%s/classes.conf", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0600);
+
+  snprintf(directory, sizeof(directory), "%s/printers.conf", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0600);
+
+  snprintf(directory, sizeof(directory), "%s/passwd.md5", ServerRoot);
+  chown(directory, User, Group);
+  chmod(directory, 0600);
+
+ /*
+  * Make sure the request and temporary directories have the right
+  * permissions...
+  */
+
+  chown(RequestRoot, User, Group);
+  chmod(RequestRoot, 0700);
+
+  if (strncmp(TempDir, RequestRoot, strlen(RequestRoot)) == 0)
+  {
+   /*
+    * Only update ownership and permissions if the CUPS temp directory
+    * is under the spool directory...
+    */
+
+    chown(TempDir, User, Group);
+    chmod(TempDir, 01700);
+  }
+
+ /*
+  * Check the MaxClients setting, and then allocate memory for it...
+  */
+
+  getrlimit(RLIMIT_NOFILE, &limit);
+
+  if (MaxClients > (limit.rlim_max / 3) || MaxClients <= 0)
+    MaxClients = limit.rlim_max / 3;
+
+  if ((Clients = calloc(sizeof(client_t), MaxClients)) == NULL)
+  {
+    LogMessage(L_ERROR, "ReadConfiguration: Unable to allocate memory for %d clients: %s",
+               MaxClients, strerror(errno));
+    exit(1);
+  }
+  else
+    LogMessage(L_INFO, "Configured for up to %d clients.", MaxClients);
+
+  if (strcasecmp(Classification, "none") == 0)
+    Classification[0] = '\0';
+
+  if (Classification[0])
+    LogMessage(L_INFO, "Security set to \"%s\"", Classification);
+
+ /*
+  * Read the MIME type and conversion database...
+  */
+
+  MimeDatabase = mimeNew();
+  mimeMerge(MimeDatabase, ServerRoot);
+
+ /*
+  * Create a list of MIME types for the document-format-supported
+  * attribute...
+  */
+
+  NumMimeTypes = MimeDatabase->num_types;
+  if (!mimeType(MimeDatabase, "application", "octet-stream"))
+    NumMimeTypes ++;
+
+  MimeTypes = calloc(NumMimeTypes, sizeof(const char *));
+
+  for (i = 0; i < MimeDatabase->num_types; i ++)
+  {
+    snprintf(type, sizeof(type), "%s/%s", MimeDatabase->types[i]->super,
+             MimeDatabase->types[i]->type);
+
+    MimeTypes[i] = strdup(type);
+  }
+
+  if (i < NumMimeTypes)
+    MimeTypes[i] = strdup("application/octet-stream");
+
+ /*
+  * Load banners...
+  */
+
+  snprintf(directory, sizeof(directory), "%s/banners", DataDir);
+  LoadBanners(directory);
+
+ /*
+  * Load printers and classes...
+  */
+
+  LoadAllPrinters();
+  LoadAllClasses();
+
+ /*
+  * Load devices and PPDs...
+  */
+
+  snprintf(directory, sizeof(directory), "%s/model", DataDir);
+  LoadPPDs(directory);
+
+  snprintf(directory, sizeof(directory), "%s/backend", ServerBin);
+  LoadDevices(directory);
+
+ /*
+  * Startup the server...
+  */
+
+  StartServer();
+
+ /*
+  * Check for queued jobs...
+  */
+
+  CheckJobs();
+
+  return (1);
+}
+
+
+/*
+ * 'read_configuration()' - Read a configuration file.
+ */
+
+static int				/* O - 1 on success, 0 on failure */
+read_configuration(FILE *fp)		/* I - File to read from */
+{
+  int		i;			/* Looping var */
+  int		linenum;		/* Current line number */
+  int		len;			/* Length of line */
+  char		line[HTTP_MAX_BUFFER],	/* Line from file */
+		name[256],		/* Parameter name */
+		*nameptr,		/* Pointer into name */
+		*value;			/* Pointer to value */
+  int		valuelen;		/* Length of value */
+  var_t		*var;			/* Current variable */
+  unsigned	address,		/* Address value */
+		netmask;		/* Netmask value */
+  int		ip[4],			/* IP address components */
+		ipcount,		/* Number of components provided */
+ 		mask[4];		/* IP netmask components */
+  dirsvc_relay_t *relay;		/* Relay data */
+  dirsvc_poll_t	*poll;			/* Polling data */
+  struct sockaddr_in polladdr;		/* Polling address */
+  location_t	*location;		/* Browse location */
+  FILE		*incfile;		/* Include file */
+  char		incname[1024];		/* Include filename */
+  static unsigned netmasks[4] =		/* Standard netmasks... */
+  {
+    0xff000000,
+    0xffff0000,
+    0xffffff00,
+    0xffffffff
+  };
+
+
+ /*
+  * Loop through each line in the file...
+  */
+
+  linenum = 0;
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+    linenum ++;
+
+   /*
+    * Skip comment lines...
+    */
+
+    if (line[0] == '#')
+      continue;
+
+   /*
+    * Strip trailing whitespace, if any...
+    */
+
+    len = strlen(line);
+
+    while (len > 0 && isspace(line[len - 1]))
+    {
+      len --;
+      line[len] = '\0';
+    }
+
+   /*
+    * Extract the name from the beginning of the line...
+    */
+
+    for (value = line; isspace(*value); value ++);
+
+    for (nameptr = name; *value != '\0' && !isspace(*value) &&
+                             nameptr < (name + sizeof(name) - 1);)
+      *nameptr++ = *value++;
+    *nameptr = '\0';
+
+    while (isspace(*value))
+      value ++;
+
+    if (name[0] == '\0')
+      continue;
+
+   /*
+    * Decode the directive...
+    */
+
+    if (strcasecmp(name, "Include") == 0)
+    {
+     /*
+      * Include filename
+      */
+
+      if (value[0] == '/')
+      {
+        strncpy(incname, value, sizeof(incname) - 1);
+	incname[sizeof(incname) - 1] = '\0';
+      }
+      else
+        snprintf(incname, sizeof(incname), "%s/%s", ServerRoot, value);
+
+      if ((incfile = fopen(incname, "rb")) == NULL)
+        LogMessage(L_ERROR, "Unable to include config file \"%s\" - %s",
+	           incname, strerror(errno));
+      else
+      {
+        read_configuration(incfile);
+	fclose(incfile);
+      }
+    }
+    else if (strcasecmp(name, "<Location") == 0)
+    {
+     /*
+      * <Location path>
+      */
+
+      if (line[len - 1] == '>')
+      {
+        line[len - 1] = '\0';
+
+	linenum = read_location(fp, value, linenum);
+	if (linenum == 0)
+	  return (0);
+      }
+      else
+      {
+        LogMessage(L_ERROR, "ReadConfiguration() Syntax error on line %d.",
+	           linenum);
+        return (0);
+      }
+    }
+    else if (strcasecmp(name, "Port") == 0 ||
+             strcasecmp(name, "Listen") == 0)
+    {
+     /*
+      * Add a listening address to the list...
+      */
+
+      if (NumListeners < MAX_LISTENERS)
+      {
+        if (get_address(value, INADDR_ANY, IPP_PORT,
+	                &(Listeners[NumListeners].address)))
+        {
+          LogMessage(L_INFO, "Listening to %x:%d",
+                     ntohl(Listeners[NumListeners].address.sin_addr.s_addr),
+                     ntohs(Listeners[NumListeners].address.sin_port));
+	  NumListeners ++;
+        }
+	else
+          LogMessage(L_ERROR, "Bad %s address %s at line %d.", name,
+	             value, linenum);
+      }
+      else
+        LogMessage(L_WARN, "Too many %s directives at line %d.", name,
+	           linenum);
+    }
+#ifdef HAVE_LIBSSL
+    else if (strcasecmp(name, "SSLPort") == 0 ||
+             strcasecmp(name, "SSLListen") == 0)
+    {
+     /*
+      * Add a listening address to the list...
+      */
+
+      if (NumListeners < MAX_LISTENERS)
+      {
+        if (get_address(value, INADDR_ANY, IPP_PORT,
+	                &(Listeners[NumListeners].address)))
+        {
+          LogMessage(L_INFO, "Listening to %x:%d (SSL)",
+                     ntohl(Listeners[NumListeners].address.sin_addr.s_addr),
+                     ntohs(Listeners[NumListeners].address.sin_port));
+          Listeners[NumListeners].encryption = HTTP_ENCRYPT_ALWAYS;
+	  NumListeners ++;
+        }
+	else
+          LogMessage(L_ERROR, "Bad %s address %s at line %d.", name,
+	             value, linenum);
+      }
+      else
+        LogMessage(L_WARN, "Too many %s directives at line %d.", name,
+	           linenum);
+    }
+#endif /* HAVE_LIBSSL */
+    else if (strcasecmp(name, "BrowseAddress") == 0)
+    {
+     /*
+      * Add a browse address to the list...
+      */
+
+      if (NumBrowsers < MAX_BROWSERS)
+      {
+        if (get_address(value, INADDR_NONE, BrowsePort, Browsers + NumBrowsers))
+        {
+          LogMessage(L_INFO, "Sending browsing info to %x:%d",
+                     ntohl(Browsers[NumBrowsers].sin_addr.s_addr),
+                     ntohs(Browsers[NumBrowsers].sin_port));
+	  NumBrowsers ++;
+        }
+	else
+          LogMessage(L_ERROR, "Bad BrowseAddress %s at line %d.", value,
+	             linenum);
+      }
+      else
+        LogMessage(L_WARN, "Too many BrowseAddress directives at line %d.",
+	           linenum);
+    }
+    else if (strcasecmp(name, "BrowseOrder") == 0)
+    {
+     /*
+      * "BrowseOrder Deny,Allow" or "BrowseOrder Allow,Deny"...
+      */
+
+      if ((location = FindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
+        location = AddLocation("CUPS_INTERNAL_BROWSE_ACL");
+
+      if (location == NULL)
+        LogMessage(L_ERROR, "Unable to initialize browse access control list!");
+      else if (strncasecmp(value, "deny", 4) == 0)
+        location->order_type = AUTH_ALLOW;
+      else if (strncasecmp(value, "allow", 5) == 0)
+        location->order_type = AUTH_DENY;
+      else
+        LogMessage(L_ERROR, "Unknown BrowseOrder value %s on line %d.",
+	           value, linenum);
+    }
+    else if (strcasecmp(name, "BrowseProtocols") == 0)
+    {
+     /*
+      * "BrowseProtocol name [... name]"
+      */
+
+      BrowseProtocols = 0;
+
+      for (; *value;)
+      {
+        for (valuelen = 0; value[valuelen]; valuelen ++)
+	  if (isspace(value[valuelen]) || value[valuelen] == ',')
+	    break;
+
+        if (value[valuelen])
+        {
+	  value[valuelen] = '\0';
+	  valuelen ++;
+	}
+
+        if (strcasecmp(value, "cups") == 0)
+	  BrowseProtocols |= BROWSE_CUPS;
+        else if (strcasecmp(value, "slp") == 0)
+	  BrowseProtocols |= BROWSE_SLP;
+        else if (strcasecmp(value, "ldap") == 0)
+	  BrowseProtocols |= BROWSE_LDAP;
+        else if (strcasecmp(value, "all") == 0)
+	  BrowseProtocols |= BROWSE_ALL;
+	else
+	{
+	  LogMessage(L_ERROR, "Unknown browse protocol \"%s\" on line %d.",
+	             value, linenum);
+          break;
+	}
+
+        for (value += valuelen; *value; value ++)
+	  if (!isspace(*value) || *value != ',')
+	    break;
+      }
+    }
+    else if (strcasecmp(name, "BrowseAllow") == 0 ||
+             strcasecmp(name, "BrowseDeny") == 0)
+    {
+     /*
+      * BrowseAllow [From] host/ip...
+      * BrowseDeny [From] host/ip...
+      */
+
+      if ((location = FindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
+        location = AddLocation("CUPS_INTERNAL_BROWSE_ACL");
+
+      if (location == NULL)
+        LogMessage(L_ERROR, "Unable to initialize browse access control list!");
+      else
+      {
+	if (strncasecmp(value, "from ", 5) == 0)
+	{
+	 /*
+          * Strip leading "from"...
+	  */
+
+	  value += 5;
+
+	  while (isspace(*value))
+	    value ++;
+	}
+
+       /*
+	* Figure out what form the allow/deny address takes:
+	*
+	*    All
+	*    None
+	*    *.domain.com
+	*    .domain.com
+	*    host.domain.com
+	*    nnn.*
+	*    nnn.nnn.*
+	*    nnn.nnn.nnn.*
+	*    nnn.nnn.nnn.nnn
+	*    nnn.nnn.nnn.nnn/mm
+	*    nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+	*/
+
+	if (strcasecmp(value, "all") == 0)
+	{
+	 /*
+          * All hosts...
+	  */
+
+          if (strcasecmp(name, "BrowseAllow") == 0)
+	    AllowIP(location, 0, 0);
+	  else
+	    DenyIP(location, 0, 0);
+	}
+	else if (strcasecmp(value, "none") == 0)
+	{
+	 /*
+          * No hosts...
+	  */
+
+          if (strcasecmp(name, "BrowseAllow") == 0)
+	    AllowIP(location, ~0, 0);
+	  else
+	    DenyIP(location, ~0, 0);
+	}
+	else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0]))
+	{
+	 /*
+          * Host or domain name...
+	  */
+
+	  if (value[0] == '*')
+	    value ++;
+
+          if (strcasecmp(name, "BrowseAllow") == 0)
+	    AllowHost(location, value);
+	  else
+	    DenyHost(location, value);
+	}
+	else
+	{
+	 /*
+          * One of many IP address forms...
+	  */
+
+          memset(ip, 0, sizeof(ip));
+          ipcount = sscanf(value, "%d.%d.%d.%d", ip + 0, ip + 1, ip + 2, ip + 3);
+	  address = (((((ip[0] << 8) | ip[1]) << 8) | ip[2]) << 8) | ip[3];
+
+          if ((value = strchr(value, '/')) != NULL)
+	  {
+	    value ++;
+	    memset(mask, 0, sizeof(mask));
+            switch (sscanf(value, "%d.%d.%d.%d", mask + 0, mask + 1,
+	                   mask + 2, mask + 3))
+	    {
+	      case 1 :
+	          netmask = (0xffffffff << (32 - mask[0])) & 0xffffffff;
+	          break;
+	      case 4 :
+	          netmask = (((((mask[0] << 8) | mask[1]) << 8) |
+		              mask[2]) << 8) | mask[3];
+                  break;
+	      default :
+        	  LogMessage(L_ERROR, "Bad netmask value %s on line %d.",
+	        	     value, linenum);
+		  netmask = 0xffffffff;
+		  break;
+	    }
+	  }
+	  else
+	    netmask = netmasks[ipcount - 1];
+
+          if (strcasecmp(name, "BrowseAllow") == 0)
+	    AllowIP(location, address, netmask);
+	  else
+	    DenyIP(location, address, netmask);
+	}
+      }
+    }
+    else if (strcasecmp(name, "BrowseRelay") == 0)
+    {
+     /*
+      * BrowseRelay [from] source [to] destination
+      */
+
+      if (NumRelays >= MAX_BROWSERS)
+      {
+        LogMessage(L_WARN, "Too many BrowseRelay directives at line %d.",
+	           linenum);
+        continue;
+      }
+
+      relay = Relays + NumRelays;
+
+      memset(relay, 0, sizeof(dirsvc_relay_t));
+
+      if (strncasecmp(value, "from ", 5) == 0)
+      {
+       /*
+        * Strip leading "from"...
+	*/
+
+	value += 5;
+
+	while (isspace(*value))
+	  value ++;
+      }
+
+     /*
+      * Figure out what form the from address takes:
+      *
+      *    *.domain.com
+      *    .domain.com
+      *    host.domain.com
+      *    nnn.*
+      *    nnn.nnn.*
+      *    nnn.nnn.nnn.*
+      *    nnn.nnn.nnn.nnn
+      *    nnn.nnn.nnn.nnn/mm
+      *    nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+      */
+
+      if (value[0] == '*' || value[0] == '.' || !isdigit(value[0]))
+      {
+       /*
+        * Host or domain name...
+	*/
+
+	if (value[0] == '*')
+	  value ++;
+
+        relay->from.type             = AUTH_NAME;
+	relay->from.mask.name.name   = strdup(value);
+	relay->from.mask.name.length = strlen(value);
+      }
+      else
+      {
+       /*
+        * One of many IP address forms...
+	*/
+
+        memset(ip, 0, sizeof(ip));
+        ipcount = sscanf(value, "%d.%d.%d.%d", ip + 0, ip + 1, ip + 2, ip + 3);
+	address = (((((ip[0] << 8) | ip[1]) << 8) | ip[2]) << 8) | ip[3];
+
+        for (; *value; value ++)
+	  if (*value == '/' || isspace(*value))
+	    break;
+
+        if (*value == '/')
+	{
+	  value ++;
+	  memset(mask, 0, sizeof(mask));
+          switch (sscanf(value, "%d.%d.%d.%d", mask + 0, mask + 1,
+	                 mask + 2, mask + 3))
+	  {
+	    case 1 :
+	        netmask = (0xffffffff << (32 - mask[0])) & 0xffffffff;
+	        break;
+	    case 4 :
+	        netmask = (((((mask[0] << 8) | mask[1]) << 8) |
+		            mask[2]) << 8) | mask[3];
+                break;
+	    default :
+        	LogMessage(L_ERROR, "Bad netmask value %s on line %d.",
+	        	   value, linenum);
+		netmask = 0xffffffff;
+		break;
+	  }
+	}
+	else
+	  netmask = netmasks[ipcount - 1];
+
+        relay->from.type            = AUTH_IP;
+	relay->from.mask.ip.address = address;
+	relay->from.mask.ip.netmask = netmask;
+      }
+
+     /*
+      * Skip value and trailing whitespace...
+      */
+
+      for (; *value; value ++)
+	if (isspace(*value))
+	  break;
+
+      while (isspace(*value))
+        value ++;
+
+      if (strncasecmp(value, "to ", 3) == 0)
+      {
+       /*
+        * Strip leading "to"...
+	*/
+
+	value += 3;
+
+	while (isspace(*value))
+	  value ++;
+      }
+
+     /*
+      * Get "to" address and port...
+      */
+
+      if (get_address(value, INADDR_BROADCAST, BrowsePort, &(relay->to)))
+      {
+        if (relay->from.type == AUTH_NAME)
+          LogMessage(L_INFO, "Relaying from %s to %x:%d",
+                     ntohl(relay->to.sin_addr.s_addr),
+                     ntohs(relay->to.sin_port));
+        else
+          LogMessage(L_INFO, "Relaying from %x/%x to %x:%d",
+                     relay->from.mask.ip.address, relay->from.mask.ip.netmask,
+                     ntohl(relay->to.sin_addr.s_addr),
+                     ntohs(relay->to.sin_port));
+
+	NumRelays ++;
+      }
+      else
+      {
+        if (relay->from.type == AUTH_NAME)
+	  free(relay->from.mask.name.name);
+
+        LogMessage(L_ERROR, "Bad relay address %s at line %d.", value, linenum);
+      }
+    }
+    else if (strcasecmp(name, "BrowsePoll") == 0)
+    {
+     /*
+      * BrowsePoll address[:port]
+      */
+
+      if (NumPolled >= MAX_BROWSERS)
+      {
+        LogMessage(L_WARN, "Too many BrowsePoll directives at line %d.",
+	           linenum);
+        continue;
+      }
+
+     /*
+      * Get poll address and port...
+      */
+
+      if (get_address(value, INADDR_NONE, ippPort(), &polladdr))
+      {
+        LogMessage(L_INFO, "Polling %x:%d", ntohl(polladdr.sin_addr.s_addr),
+                   ntohs(polladdr.sin_port));
+
+        poll = Polled + NumPolled;
+	NumPolled ++;
+	memset(poll, 0, sizeof(dirsvc_poll_t));
+
+        address = ntohl(polladdr.sin_addr.s_addr);
+
+	sprintf(poll->hostname, "%d.%d.%d.%d", address >> 24,
+	        (address >> 16) & 255, (address >> 8) & 255, address & 255);
+        poll->port = ntohs(polladdr.sin_port);
+      }
+      else
+        LogMessage(L_ERROR, "Bad poll address %s at line %d.", value, linenum);
+    }
+    else if (strcasecmp(name, "User") == 0)
+    {
+     /*
+      * User ID to run as...
+      */
+
+      if (isdigit(value[0]))
+        User = atoi(value);
+      else
+      {
+        struct passwd *p;	/* Password information */
+
+        endpwent();
+	p = getpwnam(value);
+
+	if (p != NULL)
+	  User = p->pw_uid;
+	else
+	  LogMessage(L_WARN, "ReadConfiguration() Unknown username \"%s\"",
+	             value);
+      }
+    }
+    else if (strcasecmp(name, "Group") == 0)
+    {
+     /*
+      * Group ID to run as...
+      */
+
+      if (isdigit(value[0]))
+        Group = atoi(value);
+      else
+      {
+        struct group *g;	/* Group information */
+
+        endgrent();
+	g = getgrnam(value);
+
+	if (g != NULL)
+	  Group = g->gr_gid;
+	else
+	  LogMessage(L_WARN, "ReadConfiguration() Unknown groupname \"%s\"",
+	             value);
+      }
+    }
+    else if (strcasecmp(name, "SystemGroup") == 0)
+    {
+     /*
+      * System (admin) group(s)...
+      */
+
+      char *valueptr; /* Pointer into value */
+
+
+      for (i = 0; i < MAX_SYSTEM_GROUPS; i ++)
+      {
+        for (valueptr = value; *valueptr; valueptr ++)
+	  if (isspace(*valueptr) || *valueptr == ',')
+	    break;
+
+        if (*valueptr)
+          *valueptr++ = '\0';
+
+        strncpy(SystemGroups[i], value, sizeof(SystemGroups[0]));
+	SystemGroups[i][sizeof(SystemGroups[0]) - 1] = '\0';
+
+        while (*value == ',' || isspace(*value))
+	  value ++;
+      }
+
+      if (i)
+        NumSystemGroups = i;
+    }
+    else if (strcasecmp(name, "HostNameLookups") == 0)
+    {
+     /*
+      * Do hostname lookups?
+      */
+
+      if (strcasecmp(value, "off") == 0)
+        HostNameLookups = 0;
+      else if (strcasecmp(value, "on") == 0)
+        HostNameLookups = 1;
+      else if (strcasecmp(value, "double") == 0)
+        HostNameLookups = 2;
+      else
+	LogMessage(L_WARN, "ReadConfiguration() Unknown HostNameLookups %s on line %d.",
+	           value, linenum);
+    }
+    else if (strcasecmp(name, "LogLevel") == 0)
+    {
+     /*
+      * Amount of logging to do...
+      */
+
+      if (strcasecmp(value, "debug2") == 0)
+        LogLevel = L_DEBUG2;
+      else if (strcasecmp(value, "debug") == 0)
+        LogLevel = L_DEBUG;
+      else if (strcasecmp(value, "info") == 0)
+        LogLevel = L_INFO;
+      else if (strcasecmp(value, "notice") == 0)
+        LogLevel = L_NOTICE;
+      else if (strcasecmp(value, "warn") == 0)
+        LogLevel = L_WARN;
+      else if (strcasecmp(value, "error") == 0)
+        LogLevel = L_ERROR;
+      else if (strcasecmp(value, "crit") == 0)
+        LogLevel = L_CRIT;
+      else if (strcasecmp(value, "alert") == 0)
+        LogLevel = L_ALERT;
+      else if (strcasecmp(value, "emerg") == 0)
+        LogLevel = L_EMERG;
+      else if (strcasecmp(value, "none") == 0)
+        LogLevel = L_NONE;
+      else
+        LogMessage(L_WARN, "Unknown LogLevel %s on line %d.", value, linenum);
+    }
+    else if (strcasecmp(name, "PrintcapFormat") == 0)
+    {
+     /*
+      * Format of printcap file?
+      */
+
+      if (strcasecmp(value, "bsd") == 0)
+        PrintcapFormat = PRINTCAP_BSD;
+      else if (strcasecmp(value, "solaris") == 0)
+        PrintcapFormat = PRINTCAP_SOLARIS;
+      else
+	LogMessage(L_WARN, "ReadConfiguration() Unknown PrintcapFormat %s on line %d.",
+	           value, linenum);
+    }
+    else
+    {
+     /*
+      * Find a simple variable in the list...
+      */
+
+      for (i = NUM_VARS, var = variables; i > 0; i --, var ++)
+        if (strcasecmp(name, var->name) == 0)
+	  break;
+
+      if (i == 0)
+      {
+       /*
+        * Unknown directive!  Output an error message and continue...
+	*/
+
+        LogMessage(L_ERROR, "Unknown directive %s on line %d.", name,
+	           linenum);
+        continue;
+      }
+
+      switch (var->type)
+      {
+        case VAR_INTEGER :
+	    {
+	      float	n;		/* Number */
+	      char	units[255];	/* Units */
+
+
+	      switch (sscanf(value, "%f%254s", &n, units))
+	      {
+		case 0 :
+        	    n = 0.0;
+		case 1 :
+		    break;
+		case 2 :
+        	    if (tolower(units[0]) == 'g')
+		      n *= 1024.0 * 1024.0 * 1024.0;
+        	    else if (tolower(units[0]) == 'm')
+		      n *= 1024.0 * 1024.0;
+		    else if (tolower(units[0]) == 'k')
+		      n *= 1024.0;
+		    else if (tolower(units[0]) == 't')
+		      n *= 262144.0;
+		    break;
+	      }
+
+	      *((int *)var->ptr) = (int)n;
+	    }
+	    break;
+
+	case VAR_BOOLEAN :
+	    if (strcasecmp(value, "true") == 0 ||
+	        strcasecmp(value, "on") == 0 ||
+		strcasecmp(value, "enabled") == 0 ||
+		strcasecmp(value, "yes") == 0 ||
+		atoi(value) != 0)
+              *((int *)var->ptr) = TRUE;
+	    else if (strcasecmp(value, "false") == 0 ||
+	             strcasecmp(value, "off") == 0 ||
+		     strcasecmp(value, "disabled") == 0 ||
+		     strcasecmp(value, "no") == 0 ||
+		     strcasecmp(value, "0") == 0)
+              *((int *)var->ptr) = FALSE;
+	    else
+              LogMessage(L_ERROR, "Unknown boolean value %s on line %d.",
+	                 value, linenum);
+	    break;
+
+	case VAR_STRING :
+	    strncpy((char *)var->ptr, value, var->size - 1);
+	    value[var->size - 1] = '\0';
+	    break;
+      }
+    }
+  }
+
+  return (1);
+}
+
+
+/*
+ * 'read_location()' - Read a <Location path> definition.
+ */
+
+static int			/* O - New line number or 0 on error */
+read_location(FILE *fp,		/* I - Configuration file */
+              char *location,	/* I - Location name/path */
+	      int  linenum)	/* I - Current line number */
+{
+  int		i;			/* Looping var */
+  location_t	*loc,			/* New location */
+		*parent;		/* Parent location */
+  int		len;			/* Length of line */
+  char		line[HTTP_MAX_BUFFER],	/* Line buffer */
+		name[256],		/* Configuration directive */
+		*nameptr,		/* Pointer into name */
+		*value,			/* Value for directive */
+		*valptr;		/* Pointer into value */
+  unsigned	address,		/* Address value */
+		netmask;		/* Netmask value */
+  int		ip[4],			/* IP address components */
+		ipcount,		/* Number of components provided */
+ 		mask[4];		/* IP netmask components */
+  static unsigned	netmasks[4] =	/* Standard netmasks... */
+  {
+    0xff000000,
+    0xffff0000,
+    0xffffff00,
+    0xffffffff
+  };
+
+
+  if ((parent = AddLocation(location)) == NULL)
+    return (0);
+
+  parent->limit = AUTH_LIMIT_ALL;
+  loc           = parent;
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+    linenum ++;
+
+   /*
+    * Skip comment lines...
+    */
+
+    if (line[0] == '#')
+      continue;
+
+   /*
+    * Strip trailing whitespace, if any...
+    */
+
+    len = strlen(line);
+
+    while (len > 0 && isspace(line[len - 1]))
+    {
+      len --;
+      line[len] = '\0';
+    }
+
+   /*
+    * Extract the name from the beginning of the line...
+    */
+
+    for (value = line; isspace(*value); value ++);
+
+    for (nameptr = name; *value != '\0' && !isspace(*value) &&
+                             nameptr < (name + sizeof(name) - 1);)
+      *nameptr++ = *value++;
+    *nameptr = '\0';
+
+    while (isspace(*value))
+      value ++;
+
+    if (name[0] == '\0')
+      continue;
+
+   /*
+    * Decode the directive...
+    */
+
+    if (strcasecmp(name, "</Location>") == 0)
+      return (linenum);
+    else if (strcasecmp(name, "<Limit") == 0 ||
+             strcasecmp(name, "<LimitExcept") == 0)
+    {
+      if ((loc = CopyLocation(&parent)) == NULL)
+        return (0);
+
+      loc->limit = 0;
+      while (*value)
+      {
+        for (valptr = value;
+	     !isspace(*valptr) && *valptr != '>' && *valptr;
+	     valptr ++);
+
+	if (*valptr)
+	  *valptr++ = '\0';
+
+        if (strcmp(value, "ALL") == 0)
+	  loc->limit = AUTH_LIMIT_ALL;
+	else if (strcmp(value, "GET") == 0)
+	  loc->limit |= AUTH_LIMIT_GET;
+	else if (strcmp(value, "HEAD") == 0)
+	  loc->limit |= AUTH_LIMIT_HEAD;
+	else if (strcmp(value, "OPTIONS") == 0)
+	  loc->limit |= AUTH_LIMIT_OPTIONS;
+	else if (strcmp(value, "POST") == 0)
+	  loc->limit |= AUTH_LIMIT_POST;
+	else if (strcmp(value, "PUT") == 0)
+	  loc->limit |= AUTH_LIMIT_PUT;
+	else if (strcmp(value, "TRACE") == 0)
+	  loc->limit |= AUTH_LIMIT_TRACE;
+	else
+	  LogMessage(L_WARN, "Unknown request type %s on line %d!", value,
+	             linenum);
+
+        for (value = valptr; isspace(*value) || *value == '>'; value ++);
+      }
+
+      if (strcasecmp(name, "<LimitExcept") == 0)
+        loc->limit = AUTH_LIMIT_ALL ^ loc->limit;
+
+      parent->limit &= ~loc->limit;
+    }
+    else if (strcasecmp(name, "</Limit>") == 0)
+      loc = parent;
+    else if (strcasecmp(name, "Encryption") == 0)
+    {
+     /*
+      * "Encryption xxx" - set required encryption level...
+      */
+
+      if (strcasecmp(value, "never") == 0)
+        loc->encryption = HTTP_ENCRYPT_NEVER;
+      else if (strcasecmp(value, "always") == 0)
+      {
+        LogMessage(L_ERROR, "Encryption value \"%s\" on line %d is invalid in this context. "
+	                    "Using \"required\" instead.", value, linenum);
+
+        loc->encryption = HTTP_ENCRYPT_REQUIRED;
+      }
+      else if (strcasecmp(value, "required") == 0)
+        loc->encryption = HTTP_ENCRYPT_REQUIRED;
+      else if (strcasecmp(value, "ifrequested") == 0)
+        loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
+      else
+        LogMessage(L_ERROR, "Unknown Encryption value %s on line %d.",
+	           value, linenum);
+    }
+    else if (strcasecmp(name, "Order") == 0)
+    {
+     /*
+      * "Order Deny,Allow" or "Order Allow,Deny"...
+      */
+
+      if (strncasecmp(value, "deny", 4) == 0)
+        loc->order_type = AUTH_ALLOW;
+      else if (strncasecmp(value, "allow", 5) == 0)
+        loc->order_type = AUTH_DENY;
+      else
+        LogMessage(L_ERROR, "Unknown Order value %s on line %d.",
+	           value, linenum);
+    }
+    else if (strcasecmp(name, "Allow") == 0 ||
+             strcasecmp(name, "Deny") == 0)
+    {
+     /*
+      * Allow [From] host/ip...
+      * Deny [From] host/ip...
+      */
+
+      if (strncasecmp(value, "from", 4) == 0)
+      {
+       /*
+        * Strip leading "from"...
+	*/
+
+	value += 4;
+
+	while (isspace(*value))
+	  value ++;
+      }
+
+     /*
+      * Figure out what form the allow/deny address takes:
+      *
+      *    All
+      *    None
+      *    *.domain.com
+      *    .domain.com
+      *    host.domain.com
+      *    nnn.*
+      *    nnn.nnn.*
+      *    nnn.nnn.nnn.*
+      *    nnn.nnn.nnn.nnn
+      *    nnn.nnn.nnn.nnn/mm
+      *    nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
+      */
+
+      if (strcasecmp(value, "all") == 0)
+      {
+       /*
+        * All hosts...
+	*/
+
+        if (strcasecmp(name, "Allow") == 0)
+	  AllowIP(loc, 0, 0);
+	else
+	  DenyIP(loc, 0, 0);
+      }
+      else  if (strcasecmp(value, "none") == 0)
+      {
+       /*
+        * No hosts...
+	*/
+
+        if (strcasecmp(name, "Allow") == 0)
+	  AllowIP(loc, ~0, 0);
+	else
+	  DenyIP(loc, ~0, 0);
+      }
+      else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0]))
+      {
+       /*
+        * Host or domain name...
+	*/
+
+	if (value[0] == '*')
+	  value ++;
+
+        if (strcasecmp(name, "Allow") == 0)
+	  AllowHost(loc, value);
+	else
+	  DenyHost(loc, value);
+      }
+      else
+      {
+       /*
+        * One of many IP address forms...
+	*/
+
+        memset(ip, 0, sizeof(ip));
+        ipcount = sscanf(value, "%d.%d.%d.%d", ip + 0, ip + 1, ip + 2, ip + 3);
+	address = (((((ip[0] << 8) | ip[1]) << 8) | ip[2]) << 8) | ip[3];
+
+        if ((value = strchr(value, '/')) != NULL)
+	{
+	  value ++;
+	  memset(mask, 0, sizeof(mask));
+          switch (sscanf(value, "%d.%d.%d.%d", mask + 0, mask + 1,
+	                 mask + 2, mask + 3))
+	  {
+	    case 1 :
+	        netmask = (0xffffffff << (32 - mask[0])) & 0xffffffff;
+	        break;
+	    case 4 :
+	        netmask = (((((mask[0] << 8) | mask[1]) << 8) |
+		            mask[2]) << 8) | mask[3];
+                break;
+	    default :
+        	LogMessage(L_ERROR, "Bad netmask value %s on line %d.",
+	        	   value, linenum);
+		netmask = 0xffffffff;
+		break;
+	  }
+	}
+	else
+	  netmask = netmasks[ipcount - 1];
+
+        if (strcasecmp(name, "Allow") == 0)
+	  AllowIP(loc, address, netmask);
+	else
+	  DenyIP(loc, address, netmask);
+      }
+    }
+    else if (strcasecmp(name, "AuthType") == 0)
+    {
+     /*
+      * AuthType {none,basic,digest}
+      */
+
+      if (strcasecmp(value, "none") == 0)
+      {
+	loc->type  = AUTH_NONE;
+	loc->level = AUTH_ANON;
+      }
+      else if (strcasecmp(value, "basic") == 0)
+      {
+	loc->type = AUTH_BASIC;
+
+        if (loc->level == AUTH_ANON)
+	  loc->level = AUTH_USER;
+      }
+      else if (strcasecmp(value, "digest") == 0)
+      {
+	loc->type = AUTH_DIGEST;
+
+        if (loc->level == AUTH_ANON)
+	  loc->level = AUTH_USER;
+      }
+      else if (strcasecmp(value, "basicdigest") == 0)
+      {
+	loc->type = AUTH_BASICDIGEST;
+
+        if (loc->level == AUTH_ANON)
+	  loc->level = AUTH_USER;
+      }
+      else
+        LogMessage(L_WARN, "Unknown authorization type %s on line %d.",
+	           value, linenum);
+    }
+    else if (strcasecmp(name, "AuthClass") == 0)
+    {
+     /*
+      * AuthClass anonymous, user, system, group
+      */
+
+      if (strcasecmp(value, "anonymous") == 0)
+      {
+        loc->type  = AUTH_NONE;
+        loc->level = AUTH_ANON;
+      }
+      else if (strcasecmp(value, "user") == 0)
+        loc->level = AUTH_USER;
+      else if (strcasecmp(value, "group") == 0)
+        loc->level = AUTH_GROUP;
+      else if (strcasecmp(value, "system") == 0)
+      {
+        loc->level = AUTH_GROUP;
+
+       /*
+        * Use the default system group if none is defined so far...
+	*/
+
+        if (NumSystemGroups == 0)
+	  NumSystemGroups = 1;
+
+	for (i = 0; i < NumSystemGroups; i ++)
+	  AddName(loc, SystemGroups[i]);
+      }
+      else
+        LogMessage(L_WARN, "Unknown authorization class %s on line %d.",
+	           value, linenum);
+    }
+    else if (strcasecmp(name, "AuthGroupName") == 0)
+      AddName(loc, value);
+    else if (strcasecmp(name, "Require") == 0)
+    {
+     /*
+      * Apache synonym for AuthClass and AuthGroupName...
+      *
+      * Get initial word:
+      *
+      *     Require valid-user
+      *     Require group names
+      *     Require user names
+      */
+
+      for (valptr = value;
+	   !isspace(*valptr) && *valptr != '>' && *valptr;
+	   valptr ++);
+
+      if (*valptr)
+	*valptr++ = '\0';
+
+      if (strcasecmp(value, "valid-user") == 0 ||
+          strcasecmp(value, "user") == 0)
+        loc->type = AUTH_USER;
+      else if (strcasecmp(value, "group") == 0)
+        loc->type = AUTH_GROUP;
+      else
+      {
+        LogMessage(L_WARN, "Unknown Require type %s on line %d.",
+	           value, linenum);
+	continue;
+      }
+
+     /*
+      * Get the list of names from the line...
+      */
+
+      for (value = valptr; *value;)
+      {
+        for (valptr = value; !isspace(*valptr) && *valptr; valptr ++);
+
+	if (*valptr)
+	  *valptr++ = '\0';
+
+        AddName(loc, value);
+
+        for (value = valptr; isspace(*value); value ++);
+      }
+    }
+    else if (strcasecmp(name, "Satisfy") == 0)
+    {
+      if (strcasecmp(value, "all") == 0)
+        loc->satisfy = AUTH_SATISFY_ALL;
+      else if (strcasecmp(value, "any") == 0)
+        loc->satisfy = AUTH_SATISFY_ANY;
+      else
+        LogMessage(L_WARN, "Unknown Satisfy value %s on line %d.", value,
+	           linenum);
+    }
+    else
+      LogMessage(L_ERROR, "Unknown Location directive %s on line %d.",
+	         name, linenum);
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'get_address()' - Get an address + port number from a line.
+ */
+
+static int					/* O - 1 if address good, 0 if bad */
+get_address(char               *value,		/* I - Value string */
+            unsigned           defaddress,	/* I - Default address */
+	    int                defport,		/* I - Default port */
+            struct sockaddr_in *address)	/* O - Socket address */
+{
+  char			hostname[256],		/* Hostname or IP */
+			portname[256];		/* Port number or name */
+  struct hostent	*host;			/* Host address */
+  struct servent	*port;			/* Port number */  
+
+
+ /*
+  * Initialize the socket address to the defaults...
+  */
+
+  memset(address, 0, sizeof(struct sockaddr_in));
+  address->sin_family      = AF_INET;
+  address->sin_addr.s_addr = htonl(defaddress);
+  address->sin_port        = htons(defport);
+
+ /*
+  * Try to grab a hostname and port number...
+  */
+
+  switch (sscanf(value, "%255[^:]:%255s", hostname, portname))
+  {
+    case 1 :
+        if (strchr(hostname, '.') == NULL && defaddress == INADDR_ANY)
+	{
+	 /*
+	  * Hostname is a port number...
+	  */
+
+	  strncpy(portname, hostname, sizeof(portname) - 1);
+	  portname[sizeof(portname) - 1] = '\0';
+	  hostname[0] = '\0';
+	}
+        else
+          portname[0] = '\0';
+        break;
+    case 2 :
+        break;
+    default :
+	LogMessage(L_ERROR, "Unable to decode address \"%s\"!", value);
+        return (0);
+  }
+
+ /*
+  * Decode the hostname and port number as needed...
+  */
+
+  if (hostname[0] && strcmp(hostname, "*") != 0)
+  {
+    if ((host = httpGetHostByName(hostname)) == NULL)
+    {
+      LogMessage(L_ERROR, "httpGetHostByName(\"%s\") failed - %s!", hostname,
+                 strerror(errno));
+      return (0);
+    }
+
+    memcpy(&(address->sin_addr), host->h_addr, host->h_length);
+    address->sin_port = htons(defport);
+  }
+
+  if (portname[0] != '\0')
+  {
+    if (isdigit(portname[0]))
+      address->sin_port = htons(atoi(portname));
+    else
+    {
+      if ((port = getservbyname(portname, NULL)) == NULL)
+      {
+        LogMessage(L_ERROR, "getservbyname(\"%s\") failed - %s!", portname,
+                   strerror(errno));
+        return (0);
+      }
+      else
+        address->sin_port = htons(port->s_port);
+    }
+  }
+
+  return (1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/conf.h b/scheduler/conf.h
new file mode 100644
index 000000000..a790b1c2f
--- /dev/null
+++ b/scheduler/conf.h
@@ -0,0 +1,169 @@
+/*
+ * "$Id$"
+ *
+ *   Configuration file definitions for the Common UNIX Printing System (CUPS)
+ *   scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Log levels...
+ */
+
+#define L_PAGE		-1	/* Used internally for page logging */
+#define L_NONE		0
+#define L_EMERG		1	/* Emergency issues */
+#define L_ALERT		2	/* Something bad happened that needs attention */
+#define L_CRIT		3	/* Critical error but server continues */
+#define L_ERROR		4	/* Error condition */
+#define L_WARN		5	/* Warning */
+#define L_NOTICE	6	/* Normal condition that needs logging */
+#define L_INFO		7	/* General information */
+#define L_DEBUG		8	/* General debugging */
+#define L_DEBUG2	9	/* Detailed debugging */
+
+
+/*
+ * Printcap formats...
+ */
+
+#define PRINTCAP_BSD	0	/* Berkeley LPD format */
+#define PRINTCAP_SOLARIS 1	/* Solaris lpsched format */
+
+
+/*
+ * Globals...
+ */
+
+VAR char		ConfigurationFile[256]	VALUE(CUPS_SERVERROOT "/cupsd.conf"),
+					/* Configuration file to use */
+			ServerName[256]		VALUE(""),
+					/* FQDN for server */
+			ServerAdmin[256]	VALUE(""),
+					/* Administrator's email */
+			ServerRoot[1024]	VALUE(CUPS_SERVERROOT),
+					/* Root directory for scheduler */
+			ServerBin[1024]		VALUE(CUPS_SERVERBIN),
+					/* Root directory for binaries */
+			RequestRoot[1024]	VALUE(CUPS_REQUESTS),
+					/* Directory for request files */
+			DocumentRoot[1024]	VALUE(CUPS_DOCROOT);
+					/* Root directory for documents */
+VAR int			NumSystemGroups		VALUE(0);
+					/* Number of system group names */
+VAR char		SystemGroups[MAX_SYSTEM_GROUPS][32],
+					/* System group names */
+			AccessLog[1024]		VALUE(CUPS_LOGDIR "/access_log"),
+					/* Access log filename */
+			ErrorLog[1024]		VALUE(CUPS_LOGDIR "/error_log"),
+					/* Error log filename */
+			PageLog[1024]		VALUE(CUPS_LOGDIR "/page_log"),
+					/* Page log filename */
+			DataDir[1024]		VALUE(CUPS_DATADIR),
+					/* Data file directory */
+			DefaultLanguage[32]	VALUE("C"),
+					/* Default language encoding */
+			DefaultCharset[32]	VALUE(DEFAULT_CHARSET),
+					/* Default charset */
+			RIPCache[32]		VALUE("8m"),
+					/* Amount of memory for RIPs */
+			TempDir[1024]		VALUE(CUPS_REQUESTS "/tmp"),
+					/* Temporary directory */
+			Printcap[1024]		VALUE(""),
+					/* Printcap file */
+			PrintcapGUI[1024]	VALUE("/usr/bin/glpoptions"),
+					/* GUI program to use for IRIX */
+			FontPath[1024]		VALUE(CUPS_FONTPATH),
+					/* Font search path */
+			RemoteRoot[32]		VALUE("remroot"),
+					/* Remote root user */
+			Classification[IPP_MAX_NAME]	VALUE("");
+					/* Classification of system */
+VAR int			ClassifyOverride	VALUE(0),
+					/* Allow overrides? */
+			User			VALUE(1),
+					/* User ID for server */
+			Group			VALUE(0),
+					/* Group ID for server */
+			LogLevel		VALUE(L_ERROR),
+					/* Log level */
+			MaxClients		VALUE(0),
+					/* Maximum number of clients */
+			MaxLogSize		VALUE(1024 * 1024),
+					/* Maximum size of log files */
+			MaxRequestSize		VALUE(0),
+					/* Maximum size of IPP requests */
+			HostNameLookups		VALUE(FALSE),
+					/* Do we do reverse lookups? */
+			Timeout			VALUE(DEFAULT_TIMEOUT),
+					/* Timeout during requests */
+			KeepAlive		VALUE(TRUE),
+					/* Support the Keep-Alive option? */
+			KeepAliveTimeout	VALUE(DEFAULT_KEEPALIVE),
+					/* Timeout between requests */
+			ImplicitClasses		VALUE(TRUE),
+					/* Are classes implicitly created? */
+			ImplicitAnyClasses	VALUE(FALSE),
+					/* Create AnyPrinter classes? */
+			HideImplicitMembers	VALUE(TRUE),
+					/* Hide implicit class members? */
+			FilterLimit		VALUE(0),
+					/* Max filter cost at any time */
+			FilterLevel		VALUE(0),
+					/* Current filter level */
+			RunAsUser		VALUE(FALSE),
+					/* Run as unpriviledged user? */
+			PrintcapFormat		VALUE(PRINTCAP_BSD);
+					/* Format of printcap file? */
+VAR FILE		*AccessFile		VALUE(NULL),
+					/* Access log file */
+			*ErrorFile		VALUE(NULL),
+					/* Error log file */
+			*PageFile		VALUE(NULL);
+					/* Page log file */
+VAR mime_t		*MimeDatabase		VALUE(NULL);
+					/* MIME type database */
+VAR int			NumMimeTypes		VALUE(0);
+					/* Number of MIME types */
+VAR const char		**MimeTypes		VALUE(NULL);
+					/* Array of MIME types */
+
+#ifdef HAVE_LIBSSL
+VAR char		ServerCertificate[1024]	VALUE("ssl/server.crt"),
+					/* Server certificate file */
+			ServerKey[1024]		VALUE("ssl/server.key");
+					/* Server key file */
+#endif /* HAVE_LIBSSL */
+
+
+/*
+ * Prototypes...
+ */
+
+extern char	*GetDateTime(time_t t);
+extern int	ReadConfiguration(void);
+extern int	LogRequest(client_t *con, http_status_t code);
+extern int	LogMessage(int level, const char *message, ...);
+extern int	LogPage(job_t *job, const char *page);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/cups-lpd.c b/scheduler/cups-lpd.c
new file mode 100644
index 000000000..e46f6fa21
--- /dev/null
+++ b/scheduler/cups-lpd.c
@@ -0,0 +1,1287 @@
+/*
+ * "$Id$"
+ *
+ *   Line Printer Daemon interface for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()             - Process an incoming LPD request...
+ *   print_file()       - Print a file to a printer or class.
+ *   recv_print_job()   - Receive a print job from the client.
+ *   remove_jobs()      - Cancel one or more jobs.
+ *   send_short_state() - Send the short queue state.
+ *   smart_gets()       - Get a line of text, removing the trailing CR
+ *                        and/or LF.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <cups/language.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <syslog.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+
+/*
+ * LPD "mini-daemon" for CUPS.  This program must be used in conjunction
+ * with inetd or another similar program that monitors ports and starts
+ * daemons for each client connection.  A typical configuration is:
+ *
+ *    printer stream tcp nowait lp /usr/lib/cups/daemon/cups-lpd cups-lpd
+ *
+ * This daemon implements most of RFC 1179 (the unofficial LPD specification)
+ * except for:
+ *
+ *     - This daemon does not check to make sure that the source port is
+ *       between 721 and 731, since it isn't necessary for proper
+ *       functioning and port-based security is no security at all!
+ *
+ *     - The "Print any waiting jobs" command is a no-op.
+ *
+ * The LPD-to-IPP mapping is as defined in RFC 2569.  The report formats
+ * currently match the Solaris LPD mini-daemon.
+ */
+
+/*
+ * Prototypes...
+ */
+
+int	print_file(const char *name, const char *file,
+	           const char *title, const char *docname,
+	           const char *user, int num_options,
+		   cups_option_t *options);
+int	recv_print_job(const char *dest, int num_defaults, cups_option_t *defaults);
+int	remove_jobs(const char *dest, const char *agent, const char *list);
+int	send_state(const char *dest, const char *list, int longstatus);
+char	*smart_gets(char *s, int len, FILE *fp);
+
+
+/*
+ * 'main()' - Process an incoming LPD request...
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  int		num_defaults;	/* Number of default options */
+  cups_option_t	*defaults;	/* Default options */
+  char		line[256],	/* Command string */
+		command,	/* Command code */
+		*dest,		/* Pointer to destination */
+		*list,		/* Pointer to list */
+		*agent,		/* Pointer to user */
+		status;		/* Status for client */
+  int		hostlen;	/* Size of client address */
+  unsigned	hostip;		/* (32-bit) IP address */
+  struct sockaddr_in hostaddr;	/* Address of client */
+  struct hostent *hostname;	/* Name of client */
+
+
+ /*
+  * Don't buffer the output...
+  */
+
+  setbuf(stdout, NULL);
+
+ /*
+  * Log things using the "cups-lpd" name...
+  */
+
+  openlog("cups-lpd", LOG_PID, LOG_LPR);
+
+ /*
+  * Get the address of the client...
+  */
+
+  hostlen = sizeof(hostaddr);
+
+  if (getpeername(0, (struct sockaddr *)&hostaddr, &hostlen))
+    syslog(LOG_WARNING, "Unable to get client address - %s", strerror(errno));
+  else
+  {
+    hostip   = ntohl(hostaddr.sin_addr.s_addr);
+    hostname = gethostbyaddr((void *)&(hostaddr.sin_addr), hostlen, AF_INET);
+
+    syslog(LOG_INFO, "Connection from %s (%d.%d.%d.%d)",
+           hostname ? hostname->h_name : "unknown",
+           (hostip >> 24) & 255, (hostip >> 16) & 255,
+	   (hostip >> 8) & 255, hostip & 255);
+  }
+
+ /*
+  * Scan the command-line for options...
+  */
+
+  num_defaults = 0;
+  defaults     = NULL;
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+    {
+      switch (argv[i][1])
+      {
+	case 'o' : /* Option */
+	    if (argv[i][2])
+	      num_defaults = cupsParseOptions(argv[i] + 2, num_defaults,
+	                                      &defaults);
+	    else
+	    {
+	      i ++;
+	      if (i < argc)
+		num_defaults = cupsParseOptions(argv[i], num_defaults, &defaults);
+              else
+        	syslog(LOG_WARNING, "Expected option string after -o option!");
+            }
+	    break;
+	default :
+	    syslog(LOG_WARNING, "Unknown option \"%c\" ignored!", argv[i][1]);
+	    break;
+      }
+    }
+    else
+      syslog(LOG_WARNING, "Unknown command-line option \"%s\" ignored!", argv[i]);
+
+ /*
+  * RFC1179 specifies that only 1 daemon command can be received for
+  * every connection.
+  */
+
+  if (smart_gets(line, sizeof(line), stdin) == NULL)
+  {
+   /*
+    * Unable to get command from client!  Send an error status and return.
+    */
+
+    syslog(LOG_ERR, "Unable to get command line from client!");
+    putchar(1);
+    return (1);
+  }
+
+ /*
+  * The first byte is the command byte.  After that will be the queue name,
+  * resource list, and/or user name.
+  */
+
+  command = line[0];
+  dest    = line + 1;
+
+  for (list = dest + 1; *list && !isspace(*list); list ++);
+
+  while (isspace(*list))
+    *list++ = '\0';
+
+ /*
+  * Do the command...
+  */
+
+  switch (command)
+  {
+    default : /* Unknown command */
+        syslog(LOG_ERR, "Unknown LPD command 0x%02X!", command);
+        syslog(LOG_ERR, "Command line = %s", line + 1);
+	putchar(1);
+
+        status = 1;
+	break;
+
+    case 0x01 : /* Print any waiting jobs */
+        syslog(LOG_INFO, "Print waiting jobs (no-op)");
+	putchar(0);
+
+        status = 0;
+	break;
+
+    case 0x02 : /* Receive a printer job */
+        syslog(LOG_INFO, "Receive print job for %s", dest);
+        /* recv_print_job() sends initial status byte */
+
+        status = recv_print_job(dest, num_defaults, defaults);
+	break;
+
+    case 0x03 : /* Send queue state (short) */
+        syslog(LOG_INFO, "Send queue state (short) for %s %s", dest, list);
+	/* send_state() sends initial status byte */
+
+        status = send_state(dest, list, 0);
+	break;
+
+    case 0x04 : /* Send queue state (long) */
+        syslog(LOG_INFO, "Send queue state (long) for %s %s", dest, list);
+	/* send_state() sends initial status byte */
+
+        status = send_state(dest, list, 1);
+	break;
+
+    case 0x05 : /* Remove jobs */
+       /*
+        * Grab the agent and skip to the list of users and/or jobs.
+	*/
+
+        agent = list;
+
+	for (; *list && !isspace(*list); list ++);
+	while (isspace(*list))
+	  *list++ = '\0';
+
+        syslog(LOG_INFO, "Remove jobs %s on %s by %s", list, dest, agent);
+
+        status = remove_jobs(dest, agent, list);
+
+	putchar(status);
+	break;
+  }
+
+  syslog(LOG_INFO, "Closing connection");
+  closelog();
+
+  return (status);
+}
+
+
+/*
+ * 'print_file()' - Print a file to a printer or class.
+ */
+
+int					/* O - Job ID */
+print_file(const char    *name,		/* I - Printer or class name */
+           const char    *file,		/* I - File to print */
+           const char    *title,	/* I - Title of job */
+           const char    *docname,	/* I - Name of job file */
+           const char    *user,		/* I - Owner of job */
+           int           num_options,	/* I - Number of options */
+	   cups_option_t *options)	/* I - Options */
+{
+  http_t	*http;			/* Connection to server */
+  ipp_t		*request;		/* IPP request */
+  ipp_t		*response;		/* IPP response */
+  ipp_attribute_t *attr;		/* IPP job-id attribute */
+  char		uri[HTTP_MAX_URI];	/* Printer URI */
+  cups_lang_t	*language;		/* Language to use */
+  int		jobid;			/* New job ID */
+
+
+ /*
+  * Setup a connection and request data...
+  */
+
+  if ((http = httpConnectEncrypt(cupsServer(), ippPort(),
+                                 cupsEncryption())) == NULL)
+  {
+    syslog(LOG_ERR, "Unable to connect to server: %s", strerror(errno));
+    return (0);
+  }
+
+  language = cupsLangDefault();
+
+ /*
+  * Build a standard CUPS URI for the printer and fill the standard IPP
+  * attributes...
+  */
+
+  if ((request = ippNew()) == NULL)
+  {
+    syslog(LOG_ERR, "Unable to create request: %s", strerror(errno));
+    return (0);
+  }
+
+  request->request.op.operation_id = IPP_PRINT_JOB;
+  request->request.op.request_id   = 1;
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", name);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL,
+               language != NULL ? language->language : "C");
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+               NULL, user);
+
+  if (title)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, title);
+  if (docname)
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "document-name", NULL, docname);
+
+ /*
+  * Then add all options on the command-line...
+  */
+
+  cupsEncodeOptions(request, num_options, options);
+
+ /*
+  * Do the request...
+  */
+
+  snprintf(uri, sizeof(uri), "/printers/%s", name);
+
+  response = cupsDoFileRequest(http, request, uri, file);
+
+  if (response == NULL)
+    jobid = 0;
+  else if (response->request.status.status_code > IPP_OK_CONFLICT)
+    jobid = 0;
+  else if ((attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER)) == NULL)
+    jobid = 0;
+  else
+    jobid = attr->values[0].integer;
+
+  if (jobid)
+    syslog(LOG_INFO, "Print file - job ID = %d", jobid);
+  else if (response)
+    syslog(LOG_ERR, "Unable to print file - %s",
+           ippErrorString(response->request.status.status_code));
+  else
+    syslog(LOG_ERR, "Unable to print file - %s",
+           ippErrorString(cupsLastError()));
+
+  if (response != NULL)
+    ippDelete(response);
+
+  httpClose(http);
+  cupsLangFree(language);
+
+  return (jobid);
+}
+
+
+/*
+ * 'recv_print_job()' - Receive a print job from the client.
+ */
+
+int					/* O - Command status */
+recv_print_job(const char    *dest,	/* I - Destination */
+               int           num_defaults,/* I - Number of default options */
+	       cups_option_t *defaults)	/* I - Default options */
+{
+  int		i;			/* Looping var */
+  int		status;			/* Command status */
+  int		fd;			/* Temporary file */
+  FILE		*fp;			/* File pointer */
+  char		filename[1024];		/* Temporary filename */
+  int		bytes;			/* Bytes received */
+  char		line[256],		/* Line from file/stdin */
+		command,		/* Command from line */
+		*count,			/* Number of bytes */
+		*name;			/* Name of file */
+  int		num_data;		/* Number of data files */
+  char		control[1024],		/* Control filename */
+		data[32][256],		/* Data files */
+		temp[32][1024];		/* Temporary files */
+  char		user[1024],		/* User name */
+		title[1024],		/* Job title */
+		docname[1024],		/* Document name */
+		queue[256],		/* Printer/class queue */
+		*instance;		/* Printer/class instance */
+  int		num_dests;		/* Number of destinations */
+  cups_dest_t	*dests,			/* Destinations */
+		*destptr;		/* Current destination */
+  int		num_options;		/* Number of options */
+  cups_option_t	*options;		/* Options */
+  int		banner;			/* Print banner? */
+
+
+  status   = 0;
+  num_data = 0;
+  fd       = -1;
+
+  control[0] = '\0';
+
+  strncpy(queue, dest, sizeof(queue) - 1);
+  queue[sizeof(queue) - 1] = '\0';
+
+  if ((instance = strrchr(queue, '/')) != NULL)
+    *instance++ = '\0';
+
+  num_dests = cupsGetDests(&dests);
+  if ((destptr = cupsGetDest(queue, instance, num_dests, dests)) == NULL)
+  {
+    if (instance)
+      syslog(LOG_ERR, "Unknown destination %s/%s!", queue, instance);
+    else
+      syslog(LOG_ERR, "Unknown destination %s!", queue);
+
+    cupsFreeDests(num_dests, dests);
+
+    putchar(1);
+
+    return (1);
+  }
+  else
+    putchar(0);
+
+  while (smart_gets(line, sizeof(line), stdin) != NULL)
+  {
+    if (strlen(line) < 2)
+    {
+      status = 1;
+      break;
+    }
+
+    command = line[0];
+    count   = line + 1;
+
+    for (name = count + 1; *name && !isspace(*name); name ++);
+    while (isspace(*name))
+      *name++ = '\0';
+
+    switch (command)
+    {
+      default :
+      case 0x01 : /* Abort */
+          status = 1;
+	  break;
+      case 0x02 : /* Receive control file */
+          if (strlen(name) < 2)
+	  {
+	    syslog(LOG_ERR, "Bad control file name \"%s\"", name);
+	    putchar(1);
+	    status = 1;
+	    break;
+	  }
+
+          if (control[0])
+	  {
+	   /*
+	    * Append to the existing control file - the LPD spec is
+	    * not entirely clear, but at least the OS/2 LPD code sends
+	    * multiple control files per connection...
+	    */
+
+	    if ((fd = open(control, O_WRONLY)) < 0)
+	    {
+	      syslog(LOG_ERR, "Unable to append to temporary control file - %s",
+        	     strerror(errno));
+	      putchar(1);
+	      status = 1;
+	      break;
+	    }
+
+	    lseek(fd, 0, SEEK_END);
+          }
+	  else
+	  {
+	    if ((fd = cupsTempFd(control, sizeof(control))) < 0)
+	    {
+	      syslog(LOG_ERR, "Unable to open temporary control file - %s",
+        	     strerror(errno));
+	      putchar(1);
+	      status = 1;
+	      break;
+	    }
+
+	    strcpy(filename, control);
+	  }
+	  break;
+      case 0x03 : /* Receive data file */
+          if (strlen(name) < 2)
+	  {
+	    syslog(LOG_ERR, "Bad data file name \"%s\"", name);
+	    putchar(1);
+	    status = 1;
+	    break;
+	  }
+
+          if (num_data >= (sizeof(data) / sizeof(data[0])))
+	  {
+	   /*
+	    * Too many data files...
+	    */
+
+	    syslog(LOG_ERR, "Too many data files (%d)", num_data);
+	    putchar(1);
+	    status = 1;
+	    break;
+	  }
+
+	  strncpy(data[num_data], name, sizeof(data[0]) - 1);
+	  data[num_data][sizeof(data[0]) - 1] = '\0';
+
+          if ((fd = cupsTempFd(temp[num_data], sizeof(temp[0]))) < 0)
+	  {
+	    syslog(LOG_ERR, "Unable to open temporary data file - %s",
+        	   strerror(errno));
+	    putchar(1);
+	    status = 1;
+	    break;
+	  }
+
+	  strcpy(filename, temp[num_data]);
+
+          num_data ++;
+	  break;
+    }
+
+    putchar(status);
+
+    if (status)
+      break;
+
+   /*
+    * Copy the data or control file from the client...
+    */
+
+    for (i = atoi(count); i > 0; i -= bytes)
+    {
+      if (i > sizeof(line))
+        bytes = sizeof(line);
+      else
+        bytes = i;
+
+      if ((bytes = fread(line, 1, bytes, stdin)) > 0)
+        bytes = write(fd, line, bytes);
+
+      if (bytes < 1)
+      {
+	syslog(LOG_ERR, "Error while reading file - %s",
+               strerror(errno));
+        status = 1;
+	break;
+      }
+    }
+
+   /*
+    * Read trailing nul...
+    */
+
+    if (!status)
+    {
+      if (fread(line, 1, 1, stdin) < 1)
+      {
+        status = 1;
+	syslog(LOG_ERR, "Error while reading trailing nul - %s",
+               strerror(errno));
+      }
+      else if (line[0])
+      {
+        status = 1;
+	syslog(LOG_ERR, "Trailing character after file is not nul (%02X)!",
+	       line[0]);
+      }
+    }
+
+   /*
+    * Close the file and send an acknowledgement...
+    */
+
+    close(fd);
+
+    putchar(status);
+
+    if (status)
+      break;
+  }
+
+  if (!status)
+  {
+   /*
+    * Process the control file and print stuff...
+    */
+
+    if ((fp = fopen(control, "rb")) == NULL)
+      status = 1;
+    else
+    {
+     /*
+      * Grab the job information first...
+      */
+
+      title[0]   = '\0';
+      user[0]    = '\0';
+      docname[0] = '\0';
+      banner     = 0;
+
+      while (smart_gets(line, sizeof(line), fp) != NULL)
+      {
+       /*
+        * Process control lines...
+	*/
+
+	switch (line[0])
+	{
+	  case 'J' : /* Job name */
+	      strncpy(title, line + 1, sizeof(title) - 1);
+	      title[sizeof(title) - 1] = '\0';
+	      break;
+	  case 'N' : /* Document name */
+	      strncpy(docname, line + 1, sizeof(docname) - 1);
+	      docname[sizeof(docname) - 1] = '\0';
+	      break;
+	  case 'P' : /* User identification */
+	      strncpy(user, line + 1, sizeof(user) - 1);
+	      user[sizeof(user) - 1] = '\0';
+	      break;
+	  case 'L' : /* Print banner page */
+	      banner = 1;
+	      break;
+	}
+
+	if (status)
+	  break;
+      }
+
+     /*
+      * Then print the jobs...
+      */
+
+      rewind(fp);
+
+      while (smart_gets(line, sizeof(line), fp) != NULL)
+      {
+       /*
+        * Process control lines...
+	*/
+
+	switch (line[0])
+	{
+	  case 'c' : /* Plot CIF file */
+	  case 'd' : /* Print DVI file */
+	  case 'f' : /* Print formatted file */
+	  case 'g' : /* Plot file */
+	  case 'l' : /* Print file leaving control characters (raw) */
+	  case 'n' : /* Print ditroff output file */
+	  case 'o' : /* Print PostScript output file */
+	  case 'p' : /* Print file with 'pr' format (prettyprint) */
+	  case 'r' : /* File to print with FORTRAN carriage control */
+	  case 't' : /* Print troff output file */
+	  case 'v' : /* Print raster file */
+	     /*
+	      * Check that we have a username...
+	      */
+
+	      if (!user[0])
+	      {
+		syslog(LOG_WARNING, "No username specified by client! "
+		                    "Using \"anonymous\"...");
+		strcpy(user, "anonymous");
+	      }
+
+             /*
+	      * Copy the default options...
+	      */
+
+              num_options = 0;
+	      options     = NULL;
+
+	      for (i = 0; i < num_defaults; i ++)
+	        num_options = cupsAddOption(defaults[i].name,
+		                            defaults[i].value,
+		                            num_options, &options);
+	      for (i = 0; i < destptr->num_options; i ++)
+	        num_options = cupsAddOption(destptr->options[i].name,
+		                            destptr->options[i].value,
+		                            num_options, &options);
+
+             /*
+	      * Add additional options as needed...
+	      */
+
+              if (!banner)
+	        num_options = cupsAddOption("job-sheets", "none",
+		                            num_options, &options);
+
+	      if (line[0] == 'l')
+	        num_options = cupsAddOption("raw", "", num_options, &options);
+
+              if (line[0] == 'p')
+	        num_options = cupsAddOption("prettyprint", "", num_options,
+		                            &options);
+
+             /*
+	      * Figure out which file we are printing...
+	      */
+
+	      for (i = 0; i < num_data; i ++)
+	        if (strcmp(data[i], line + 1) == 0)
+		  break;
+
+              if (i >= num_data)
+	      {
+	        status = 1;
+		break;
+	      }
+
+             /*
+	      * Send the print request...
+	      */
+
+              if (print_file(queue, temp[i], title, docname, user, num_options,
+	                     options) == 0)
+                status = 1;
+	      else
+	        status = 0;
+
+              cupsFreeOptions(num_options, options);
+	      break;
+	}
+
+	if (status)
+	  break;
+      }
+
+      fclose(fp);
+    }
+  }
+
+ /*
+  * Clean up all temporary files and return...
+  */
+
+  unlink(control);
+
+  for (i = 0; i < num_data; i ++)
+    unlink(temp[i]);
+
+  cupsFreeDests(num_dests, dests);
+
+  return (status);
+}
+
+
+/*
+ * 'remove_jobs()' - Cancel one or more jobs.
+ */
+
+int					/* O - Command status */
+remove_jobs(const char *dest,		/* I - Destination */
+            const char *agent,		/* I - User agent */
+	    const char *list)		/* I - List of jobs or users */
+{
+  int		id;			/* Job ID */
+  http_t	*http;			/* HTTP server connection */
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* Job URI */
+
+
+  (void)dest;	/* Suppress compiler warnings... */
+
+ /*
+  * Try connecting to the local server...
+  */
+
+  if ((http = httpConnectEncrypt(cupsServer(), ippPort(),
+                                 cupsEncryption())) == NULL)
+  {
+    syslog(LOG_ERR, "Unable to connect to server: %s", strerror(errno));
+    return (1);
+  }
+
+  language = cupsLangDefault();
+
+ /*
+  * Loop for each job...
+  */
+
+  while ((id = atoi(list)) > 0)
+  {
+   /*
+    * Skip job ID in list...
+    */
+
+    while (isdigit(*list))
+      list ++;
+    while (isspace(*list))
+      list ++;
+
+   /*
+    * Build an IPP_CANCEL_JOB request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    job-uri
+    *    requesting-user-name
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = IPP_CANCEL_JOB;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    sprintf(uri, "ipp://localhost/jobs/%d", id);
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+                 "requesting-user-name", NULL, agent);
+
+   /*
+    * Do the request and get back a response...
+    */
+
+    if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+    {
+      if (response->request.status.status_code > IPP_OK_CONFLICT)
+      {
+	syslog(LOG_WARNING, "Cancel of job ID %d failed: %s\n", id,
+               ippErrorString(response->request.status.status_code));
+	ippDelete(response);
+	cupsLangFree(language);
+	httpClose(http);
+	return (1);
+      }
+      else
+        syslog(LOG_INFO, "Job ID %d cancelled", id);
+
+      ippDelete(response);
+    }
+    else
+    {
+      syslog(LOG_WARNING, "Cancel of job ID %d failed: %s\n", id,
+             ippErrorString(cupsLastError()));
+      cupsLangFree(language);
+      httpClose(http);
+      return (1);
+    }
+  }
+
+  cupsLangFree(language);
+  httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * 'send_state()' - Send the queue state.
+ */
+
+int					/* O - Command status */
+send_state(const char *dest,		/* I - Destination */
+           const char *list,		/* I - Job or user */
+	   int        longstatus)	/* I - List of jobs or users */
+{
+  int		id;			/* Job ID from list */
+  http_t	*http;			/* HTTP server connection */
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  ipp_attribute_t *attr;		/* Current attribute */
+  cups_lang_t	*language;		/* Default language */
+  ipp_pstate_t	state;			/* Printer state */
+  const char	*jobdest,		/* Pointer into job-printer-uri */
+		*jobuser,		/* Pointer to job-originating-user-name */
+		*jobname;		/* Pointer to job-name */
+  ipp_jstate_t	jobstate;		/* job-state */
+  int		jobid,			/* job-id */
+		jobsize,		/* job-k-octets */
+		jobcount,		/* Number of jobs */
+		jobcopies,		/* Number of copies */
+		rank;			/* Rank of job */
+  char		rankstr[255];		/* Rank string */
+  char		namestr[1024];		/* Job name string */
+  char		uri[HTTP_MAX_URI];	/* Printer URI */
+  char		queue[256],		/* Printer/class queue */
+		*instance;		/* Printer/class instance */
+  static const char *ranks[10] =	/* Ranking strings */
+		{
+		  "th",
+		  "st",
+		  "nd",
+		  "rd",
+		  "th",
+		  "th",
+		  "th",
+		  "th",
+		  "th",
+		  "th"
+		};
+  static const char *requested[] =	/* Requested attributes */
+		{
+		  "job-id",
+		  "job-k-octets",
+		  "job-state",
+		  "job-printer-uri",
+		  "job-originating-user-name",
+		  "job-name",
+		  "copies"
+		};
+
+
+ /*
+  * Remove instance from destination, if any...
+  */
+
+  strncpy(queue, dest, sizeof(queue) - 1);
+  queue[sizeof(queue) - 1] = '\0';
+
+  if ((instance = strrchr(queue, '/')) != NULL)
+    *instance++ = '\0';
+
+ /*
+  * Try connecting to the local server...
+  */
+
+  if ((http = httpConnectEncrypt(cupsServer(), ippPort(),
+                                 cupsEncryption())) == NULL)
+  {
+    syslog(LOG_ERR, "Unable to connect to server: %s", strerror(errno));
+    putchar(1);
+    return (1);
+  }
+
+ /*
+  * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", queue);
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+               "requested-attributes", NULL, "printer-state");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      syslog(LOG_WARNING, "Unable to get printer list: %s\n",
+             ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      putchar(1);
+      return (1);
+    }
+    else
+      putchar(0);
+
+    if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
+      state = (ipp_pstate_t)attr->values[0].integer;
+    else
+      state = IPP_PRINTER_STOPPED;
+
+    switch (state)
+    {
+      case IPP_PRINTER_IDLE :
+          printf("%s is ready\n", dest);
+	  break;
+      case IPP_PRINTER_PROCESSING :
+          printf("%s is ready and printing\n", dest);
+	  break;
+      case IPP_PRINTER_STOPPED :
+          printf("%s is not ready\n", dest);
+	  break;
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    syslog(LOG_WARNING, "Unable to get printer list: %s\n",
+           ippErrorString(cupsLastError()));
+    putchar(1);
+    return (1);
+  }
+
+ /*
+  * Build an IPP_GET_JOBS or IPP_GET_JOB_ATTRIBUTES request, which requires
+  * the following attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    job-uri or printer-uri
+  */
+
+  id = atoi(list);
+
+  request = ippNew();
+
+  request->request.op.operation_id = id ? IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", queue);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, uri);
+
+  if (id)
+    ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
+  else
+  {
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+                 "requesting-user-name", NULL, list);
+    ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1);
+  }
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(requested) / sizeof(requested[0]),
+		NULL, requested);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  jobcount = 0;
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      printf("get-jobs failed: %s\n",
+             ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return (1);
+    }
+
+    rank = 1;
+
+   /*
+    * Loop through the job list and display them...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL &&
+             (attr->group_tag != IPP_TAG_JOB || attr->name == NULL))
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      jobid       = 0;
+      jobsize     = 0;
+      jobstate    = IPP_JOB_PENDING;
+      jobname     = "untitled";
+      jobuser     = NULL;
+      jobdest     = NULL;
+      jobcopies   = 1;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
+      {
+        if (strcmp(attr->name, "job-id") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobid = attr->values[0].integer;
+
+        if (strcmp(attr->name, "job-k-octets") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobsize = attr->values[0].integer * 1024;
+
+        if (strcmp(attr->name, "job-state") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  jobstate = (ipp_jstate_t)attr->values[0].integer;
+
+        if (strcmp(attr->name, "job-printer-uri") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  if ((jobdest = strrchr(attr->values[0].string.text, '/')) != NULL)
+	    jobdest ++;
+
+        if (strcmp(attr->name, "job-originating-user-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  jobuser = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "job-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  jobname = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "copies") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobcopies = attr->values[0].integer;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (jobdest == NULL || jobid == 0)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+      if (!longstatus && jobcount == 0)
+	puts("Rank    Owner   Job     File(s)                         Total Size");
+
+      jobcount ++;
+
+     /*
+      * Display the job...
+      */
+
+      if (jobstate == IPP_JOB_PROCESSING)
+	strcpy(rankstr, "active");
+      else
+      {
+	snprintf(rankstr, sizeof(rankstr), "%d%s", rank, ranks[rank % 10]);
+	rank ++;
+      }
+
+      if (longstatus)
+      {
+        puts("");
+
+        if (jobcopies > 1)
+	  snprintf(namestr, sizeof(namestr), "%d copies of %s", jobcopies,
+	           jobname);
+	else
+	{
+	  strncpy(namestr, jobname, sizeof(namestr) - 1);
+	  namestr[sizeof(namestr) - 1] = '\0';
+	}
+
+        printf("%s: %-34.34s[job %d localhost]\n", jobuser, rankstr, jobid);
+        printf("        %-40.40s%d bytes\n", namestr, jobsize);
+      }
+      else
+        printf("%-7s %-8.8s%-8d%-32.32s%d bytes\n", rankstr, jobuser,
+	       jobid, jobname, jobsize);
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    printf("get-jobs failed: %s\n", ippErrorString(cupsLastError()));
+    return (1);
+  }
+
+  if (jobcount == 0)
+    puts("no entries");
+
+  cupsLangFree(language);
+  httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * 'smart_gets()' - Get a line of text, removing the trailing CR and/or LF.
+ */
+
+char *			/* O - Line read or NULL */
+smart_gets(char *s,	/* I - Pointer to line buffer */
+           int  len,	/* I - Size of line buffer */
+	   FILE *fp)	/* I - File to read from */
+{
+  char	*ptr,		/* Pointer into line */
+	*end;		/* End of line */
+  int	ch;		/* Character from file */
+
+
+ /*
+  * Read the line; unlike fgets(), we read the entire line but dump
+  * characters that go past the end of the buffer.  Also, we accept
+  * CR, LF, or CR LF for the line endings to be "safe", although
+  * RFC 1179 specifically says "just use LF".
+  */
+
+  ptr = s;
+  end = s + len - 1;
+
+  while ((ch = getc(fp)) != EOF)
+  {
+    if (ch == '\n')
+      break;
+    else if (ch == '\r')
+    {
+     /*
+      * See if a LF follows...
+      */
+
+      ch = getc(fp);
+
+      if (ch != '\n')
+        ungetc(ch, fp);
+
+      break;
+    }
+    else if (ptr < end)
+      *ptr++ = ch;
+  }
+
+  *ptr = '\0';
+
+  if (ch == EOF && ptr == s)
+    return (NULL);
+  else
+    return (s);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/cups-polld.c b/scheduler/cups-polld.c
new file mode 100644
index 000000000..c7e53e8b4
--- /dev/null
+++ b/scheduler/cups-polld.c
@@ -0,0 +1,327 @@
+/*
+ * "$Id$"
+ *
+ *   Polling daemon for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()        - Open socks and poll until we are killed...
+ *   poll_server() - Poll the server for the given set of printers or classes.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <stdlib.h>
+#include <cups/language.h>
+#include <cups/string.h>
+
+
+/*
+ * Local functions...
+ */
+
+int	poll_server(http_t *http, cups_lang_t *language, ipp_op_t op,
+	            int sock, int port);
+
+
+/*
+ * 'main()' - Open socks and poll until we are killed...
+ */
+
+int					/* O - Exit status */
+main(int  argc,				/* I - Number of command-line arguments */
+     char *argv[])			/* I - Command-line arguments */
+{
+  http_t		*http;		/* HTTP connection */
+  cups_lang_t		*language;	/* Language info */
+  int			interval;	/* Polling interval */
+  int			sock;		/* Browser sock */
+  int			port;		/* Browser port */
+  int			val;		/* Socket option value */
+
+
+ /*
+  * Don't buffer errors...
+  */
+
+  setbuf(stderr, NULL);
+
+ /*
+  * The command-line must contain the following:
+  *
+  *    cups-polld server server-port interval port
+  */
+
+  if (argc != 5)
+  {
+    fputs("Usage: cups-polld server server-port interval port\n", stderr);
+    return (1);
+  }
+
+  interval = atoi(argv[3]);
+  port     = atoi(argv[4]);
+
+ /*
+  * Open a connection to the server...
+  */
+
+  if ((http = httpConnectEncrypt(argv[1], atoi(argv[2]),
+                                 cupsEncryption())) == NULL)
+  {
+    perror("cups-polld");
+    return (1);
+  }
+
+ /*
+  * Open a broadcast sock...
+  */
+
+  if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+  {
+    perror("cups-polld");
+    httpClose(http);
+    return (1);
+  }
+
+ /*
+  * Set the "broadcast" flag...
+  */
+
+  val = 1;
+  if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
+  {
+    perror("cups-polld");
+
+    close(sock);
+    httpClose(http);
+    return (1);
+  }
+
+ /*
+  * Loop forever, asking for available printers and classes...
+  */
+
+  language = cupsLangDefault();
+
+  for (;;)
+  {
+    if (!poll_server(http, language, CUPS_GET_PRINTERS, sock, port))
+      poll_server(http, language, CUPS_GET_CLASSES, sock, port);
+
+    sleep(interval);
+  }
+}
+
+
+/*
+ * 'poll_server()' - Poll the server for the given set of printers or classes.
+ */
+
+int					/* O - 0 for success, -1 on error */
+poll_server(http_t      *http,		/* I - HTTP connection */
+            cups_lang_t *language,	/* I - Language */
+	    ipp_op_t    op,		/* I - Operation code */
+	    int         sock,		/* I - Broadcast sock */
+	    int         port)		/* I - Broadcast port */
+{
+  ipp_t			*request,	/* Request data */
+			*response;	/* Response data */
+  ipp_attribute_t	*attr;		/* Current attribute */
+  const char		*uri,		/* printer-uri */
+			*info,		/* printer-info */
+			*location,	/* printer-location */
+			*make_model;	/* printer-make-and-model */
+  cups_ptype_t		type;		/* printer-type */
+  ipp_pstate_t		state;		/* printer-state */
+  struct sockaddr_in	addr;		/* Broadcast address */
+  char			packet[1540];	/* Data packet */
+  static const char	*attrs[] =	/* Requested attributes */
+			{
+			  "printer-info",
+			  "printer-location",
+			  "printer-make-and-model",
+			  "printer-state",
+			  "printer-type",
+			  "printer-uri-supported"
+			};
+
+
+ /*
+  * Broadcast to 127.0.0.1 (localhost)
+  */
+
+  memset(&addr, 0, sizeof(addr));
+  addr.sin_addr.s_addr = htonl(0x7f000001);
+  addr.sin_family      = AF_INET;
+  addr.sin_port        = htons(port);
+
+ /*
+  * Build a CUPS_GET_PRINTERS or CUPS_GET_CLASSES request, which requires
+  * only the attributes-charset and attributes-natural-language attributes.
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = op;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+               "requested-attributes", sizeof(attrs) / sizeof(attrs[0]),
+	       NULL, attrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "cups-polld: get-%s failed: %s\n",
+              op == CUPS_GET_PRINTERS ? "printers" : "classes",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return (-1);
+    }
+
+   /*
+    * Loop through the printers or classes returned in the list...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a printer...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this printer...
+      */
+
+      uri        = NULL;
+      info       = "";
+      location   = "";
+      make_model = "";
+      type       = CUPS_PRINTER_REMOTE;
+      state      = IPP_PRINTER_IDLE;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-uri-supported") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  uri = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-info") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  info = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-location") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  location = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-make-and-model") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  make_model = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-state") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  state = (ipp_pstate_t)attr->values[0].integer;
+
+        if (strcmp(attr->name, "printer-type") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  type = (cups_ptype_t)attr->values[0].integer;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (uri == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a local printer or class...
+      */
+
+      if (!(type & CUPS_PRINTER_REMOTE))
+      {
+       /*
+	* Send the printer information...
+	*/
+
+	snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\"\n",
+        	 type | CUPS_PRINTER_REMOTE, state, uri,
+		 location, info, make_model);
+        puts(packet);
+
+	if (sendto(sock, packet, strlen(packet), 0,
+	           (struct sockaddr *)&addr, sizeof(addr)) <= 0)
+	{
+	  perror("cups-polld");
+	  return (-1);
+	}
+      }
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    fprintf(stderr, "cups-polld: get-%s failed: %s\n",
+            op == CUPS_GET_PRINTERS ? "printers" : "classes",
+            ippErrorString(cupsLastError()));
+    return (-1);
+  }
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/cups.pam b/scheduler/cups.pam
new file mode 100644
index 000000000..f38e70184
--- /dev/null
+++ b/scheduler/cups.pam
@@ -0,0 +1,2 @@
+auth	required	/lib/security/pam_pwdb.so nullok shadow
+account	required	/lib/security/pam_pwdb.so
diff --git a/scheduler/cupsd.dsp b/scheduler/cupsd.dsp
new file mode 100644
index 000000000..60b2cb927
--- /dev/null
+++ b/scheduler/cupsd.dsp
@@ -0,0 +1,173 @@
+# Microsoft Developer Studio Project File - Name="cupsd" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Application" 0x0101

+

+CFG=cupsd - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "cupsd.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "cupsd.mak" CFG="cupsd - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "cupsd - Win32 Release" (based on "Win32 (x86) Application")

+!MESSAGE "cupsd - Win32 Debug" (based on "Win32 (x86) Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+MTL=midl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "cupsd - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /c

+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32

+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /machine:I386

+

+!ELSEIF  "$(CFG)" == "cupsd - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I "../visualc" /I ".." /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32

+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /debug /machine:I386 /pdbtype:sept

+

+!ENDIF 

+

+# Begin Target

+

+# Name "cupsd - Win32 Release"

+# Name "cupsd - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=.\auth.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\classes.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\client.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\conf.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\dirsvc.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\ipp.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\job.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\listen.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\log.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\main.c

+# End Source File

+# Begin Source File

+

+SOURCE=.\printers.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# Begin Source File

+

+SOURCE=.\auth.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\classes.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\client.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\conf.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\cupsd.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\dirsvc.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\job.h

+# End Source File

+# Begin Source File

+

+SOURCE=.\printers.h

+# End Source File

+# End Group

+# End Target

+# End Project

diff --git a/scheduler/cupsd.h b/scheduler/cupsd.h
new file mode 100644
index 000000000..3f5fa4cfe
--- /dev/null
+++ b/scheduler/cupsd.h
@@ -0,0 +1,176 @@
+/*
+ * "$Id$"
+ *
+ *   Main header file for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <limits.h>
+#include <errno.h>
+#include <time.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#ifdef WIN32
+#  include <direct.h>
+#else
+#  include <unistd.h>
+#endif /* WIN32 */
+
+#include <cups/cups.h>
+#include <cups/string.h>
+#include "mime.h"
+#include <cups/http.h>
+#include <cups/ipp.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+
+
+/*
+ * Common constants.
+ */
+
+#ifndef FALSE
+#  define FALSE		0
+#  define TRUE		(!FALSE)
+#endif /* !FALSE */
+
+
+/*
+ * Implementation limits...
+ */
+
+#define MAX_BROWSERS		10	/* Maximum number of browse addresses */
+#define MAX_LISTENERS		10	/* Maximum number of listener sockets */
+#define MAX_USERPASS		33	/* Maximum size of username/password */
+#define MAX_FILTERS		20	/* Maximum number of filters */
+#define MAX_SYSTEM_GROUPS	32	/* Maximum number of system groups */
+
+
+/*
+ * Defaults...
+ */
+
+#define DEFAULT_HISTORY		1	/* Preserve job history? */
+#define DEFAULT_FILES		0	/* Preserve job files? */
+#define DEFAULT_TIMEOUT		300	/* Timeout during requests/updates */
+#define DEFAULT_KEEPALIVE	60	/* Timeout between requests */
+#define DEFAULT_INTERVAL	30	/* Interval between browse updates */
+#define DEFAULT_LANGUAGE	setlocale(LC_ALL,"")
+					/* Default language encoding */
+#define DEFAULT_CHARSET		"utf-8"	/* Default charset */
+
+
+/*
+ * Global variable macros...
+ */
+
+#ifdef _MAIN_C_
+#  define VAR
+#  define VALUE(x) =x
+#else
+#  define VAR      extern
+#  define VALUE(x)
+#endif /* _MAIN_C */
+
+
+/*
+ * Other stuff for the scheduler...
+ */
+
+#include "cert.h"
+#include "client.h"
+#include "auth.h"
+#include "printers.h"
+#include "classes.h"
+#include "job.h"
+#include "conf.h"
+#include "banners.h"
+#include "dirsvc.h"
+
+
+/*
+ * Directory handling functions...
+ */
+
+#if HAVE_DIRENT_H
+#  include <dirent.h>
+typedef struct dirent DIRENT;
+#  define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+#  if HAVE_SYS_NDIR_H
+#    include <sys/ndir.h>
+#  endif
+#  if HAVE_SYS_DIR_H
+#    include <sys/dir.h>
+#  endif
+#  if HAVE_NDIR_H
+#    include <ndir.h>
+#  endif
+typedef struct direct DIRENT;
+#  define NAMLEN(dirent) (dirent)->d_namlen
+#endif
+
+
+/*
+ * Globals...
+ */
+
+VAR int			MaxFDs;		/* Maximum number of files */
+VAR fd_set		InputSet,	/* Input files for select() */
+			OutputSet;	/* Output files for select() */
+
+VAR int			NeedReload	VALUE(TRUE);
+					/* Need to load configuration? */
+VAR char		TZ[1024]	VALUE("TZ=GMT");
+					/* Timezone configuration */
+
+VAR ipp_t		*Devices	VALUE(NULL),
+					/* Available devices */
+			*PPDs		VALUE(NULL);
+					/* Available PPDs */
+
+
+/*
+ * Prototypes...
+ */
+
+extern void	CatchChildSignals(void);
+extern void	IgnoreChildSignals(void);
+extern void	LoadDevices(const char *d);
+extern void	LoadPPDs(const char *d);
+extern void	StartServer(void);
+extern void	StopServer(void);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/devices.c b/scheduler/devices.c
new file mode 100644
index 000000000..d9cac05e7
--- /dev/null
+++ b/scheduler/devices.c
@@ -0,0 +1,482 @@
+/*
+ * "$Id$"
+ *
+ *   Device scanning routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   LoadDevices() - Load all available devices.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * Device information structure...
+ */
+
+typedef struct
+{
+  char	device_class[128],		/* Device class */
+	device_make_and_model[128],	/* Make and model, if known */
+	device_info[128],		/* Device info/description */
+	device_uri[1024];		/* Device URI */
+} dev_info_t;
+
+
+/*
+ * Local globals...
+ */
+
+static int		num_devs,	/* Number of devices */
+			alloc_devs;	/* Number of allocated entries */
+static dev_info_t	*devs;		/* Device info */
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare_devs(const dev_info_t *p0, const dev_info_t *p1);
+static void	sigalrm_handler(int sig);
+
+
+/*
+ * 'LoadDevices()' - Load all available devices.
+ */
+
+void
+LoadDevices(const char *d)	/* I - Directory to scan */
+{
+  int		i;		/* Looping var */
+  int		count;		/* Number of devices from backend */
+  int		compat;		/* Compatibility device? */
+  FILE		*fp;		/* Pipe to device backend */
+  DIR		*dir;		/* Directory pointer */
+  DIRENT	*dent;		/* Directory entry */
+  char		filename[1024],	/* Name of backend */
+		line[2048],	/* Line from backend */
+		dclass[64],	/* Device class */
+		uri[1024],	/* Device URI */
+		info[128],	/* Device info */
+		make_model[256];/* Make and model */
+  dev_info_t	*dev;		/* Current device */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+  * Initialize the device list.
+  */
+
+  Devices = ippNew();
+
+ /*
+  * Try opening the backend directory...
+  */
+
+  if ((dir = opendir(d)) == NULL)
+  {
+    LogMessage(L_ERROR, "LoadDevices: Unable to open backend directory \"%s\": %s",
+               d, strerror(errno));
+    return;
+  }
+
+ /*
+  * Setup the devices array...
+  */
+
+  alloc_devs = 0;
+  num_devs   = 0;
+  devs       = (dev_info_t *)0;
+
+ /*
+  * Ignore child signals...
+  */
+
+  IgnoreChildSignals();
+
+ /*
+  * Loop through all of the device backends...
+  */
+
+  while ((dent = readdir(dir)) != NULL)
+  {
+   /*
+    * Skip "." and ".."...
+    */
+
+    if (dent->d_name[0] == '.')
+      continue;
+
+   /*
+    * Run the backend with no arguments and collect the output...
+    */
+
+    snprintf(filename, sizeof(filename), "%s/%s", d, dent->d_name);
+    if ((fp = popen(filename, "r")) != NULL)
+    {
+     /*
+      * Set an alarm for the first read from the backend; this avoids
+      * problems when a backend is hung getting device information.
+      */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+      sigset(SIGALRM, sigalrm_handler);
+#elif defined(HAVE_SIGACTION)
+      memset(&action, 0, sizeof(action));
+
+      sigemptyset(&action.sa_mask);
+      sigaddset(&action.sa_mask, SIGALRM);
+      action.sa_handler = sigalrm_handler;
+      sigaction(SIGALRM, &action, NULL);
+#else
+      signal(SIGALRM, sigalrm_handler);
+#endif /* HAVE_SIGSET */
+
+      alarm(30);
+      count  = 0;
+      compat = strcmp(dent->d_name, "smb") == 0;
+
+      while (fgets(line, sizeof(line), fp) != NULL)
+      {
+       /*
+        * Reset the alarm clock...
+	*/
+
+        alarm(30);
+
+       /*
+        * Each line is of the form:
+	*
+	*   class URI "make model" "name"
+	*/
+
+        if (strncasecmp(line, "Usage", 5) == 0)
+	  compat = 1;
+        else if (sscanf(line, "%63s%1023s%*[ \t]\"%127[^\"]\"%*[ \t]\"%255[^\"]",
+	                dclass, uri, make_model, info) != 4)
+        {
+	 /*
+	  * Bad format; strip trailing newline and write an error message.
+	  */
+
+          if (line[strlen(line) - 1] == '\n')
+	    line[strlen(line) - 1] = '\0';
+
+	  LogMessage(L_ERROR, "LoadDevices: Bad line from \"%s\": %s",
+	             dent->d_name, line);
+          compat = 1;
+	  break;
+        }
+	else
+	{
+	 /*
+	  * Add the device to the array of available devices...
+	  */
+
+	  if (num_devs >= alloc_devs)
+	  {
+	   /*
+	    * Allocate (more) memory for the devices...
+	    */
+
+	    if (alloc_devs == 0)
+              dev = malloc(sizeof(dev_info_t) * 16);
+	    else
+              dev = realloc(devs, sizeof(dev_info_t) * (alloc_devs + 16));
+
+	    if (dev == NULL)
+	    {
+              LogMessage(L_ERROR, "LoadDevices: Ran out of memory for %d devices!",
+	        	 alloc_devs + 16);
+              closedir(dir);
+	      return;
+	    }
+
+	    devs = dev;
+	    alloc_devs += 16;
+	  }
+
+	  dev = devs + num_devs;
+	  num_devs ++;
+
+	  memset(dev, 0, sizeof(dev_info_t));
+	  strncpy(dev->device_class, dclass, sizeof(dev->device_class) - 1);
+	  strncpy(dev->device_info, info, sizeof(dev->device_info) - 1);
+	  strncpy(dev->device_make_and_model, make_model,
+        	  sizeof(dev->device_make_and_model) - 1);
+	  strncpy(dev->device_uri, uri, sizeof(dev->device_uri) - 1);
+
+          LogMessage(L_DEBUG, "LoadDevices: Added device \"%s\"...", uri);
+	  count ++;
+	}
+      }
+
+     /*
+      * Turn the alarm clock off and close the pipe to the command...
+      */
+
+      alarm(0);
+
+      pclose(fp);
+
+     /*
+      * Hack for backends that don't support the CUPS 1.1 calling convention:
+      * add a network device with the method == backend name.
+      */
+
+      if (count == 0 && compat)
+      {
+	if (num_devs >= alloc_devs)
+	{
+	 /*
+	  * Allocate (more) memory for the devices...
+	  */
+
+	  if (alloc_devs == 0)
+            dev = malloc(sizeof(dev_info_t) * 16);
+	  else
+            dev = realloc(devs, sizeof(dev_info_t) * (alloc_devs + 16));
+
+	  if (dev == NULL)
+	  {
+            LogMessage(L_ERROR, "LoadDevices: Ran out of memory for %d devices!",
+	               alloc_devs + 16);
+            closedir(dir);
+	    return;
+	  }
+
+	  devs = dev;
+	  alloc_devs += 16;
+	}
+
+	dev = devs + num_devs;
+	num_devs ++;
+
+	memset(dev, 0, sizeof(dev_info_t));
+	strcpy(dev->device_class, "network");
+	snprintf(dev->device_info, sizeof(dev->device_info),
+	         "Unknown Network Device (%s)", dent->d_name);
+	strcpy(dev->device_make_and_model, "Unknown");
+	strncpy(dev->device_uri, dent->d_name, sizeof(dev->device_uri) - 1);
+
+        LogMessage(L_DEBUG, "LoadDevices: Compatibility device \"%s\"...",
+	           dent->d_name);
+      }
+    }
+    else
+      LogMessage(L_WARN, "LoadDevices: Unable to execute \"%s\" backend: %s",
+                 dent->d_name, strerror(errno));
+  }
+
+  closedir(dir);
+
+ /*
+  * Catch child signals...
+  */
+
+  CatchChildSignals();
+
+ /*
+  * Sort the available devices...
+  */
+
+  if (num_devs > 1)
+    qsort(devs, num_devs, sizeof(dev_info_t),
+          (int (*)(const void *, const void *))compare_devs);
+
+ /*
+  * Create the list of devices...
+  */
+
+  for (i = num_devs, dev = devs; i > 0; i --, dev ++)
+  {
+   /*
+    * Add strings to attributes...
+    */
+
+    if (i < num_devs)
+      ippAddSeparator(Devices);
+
+    ippAddString(Devices, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+                 "device-class", NULL, dev->device_class);
+    ippAddString(Devices, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                 "device-info", NULL, dev->device_info);
+    ippAddString(Devices, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                 "device-make-and-model", NULL, dev->device_make_and_model);
+    ippAddString(Devices, IPP_TAG_PRINTER, IPP_TAG_URI,
+                 "device-uri", NULL, dev->device_uri);
+  }
+
+ /*
+  * Free the devices array...
+  */
+
+  if (alloc_devs)
+    free(devs);
+}
+
+
+/*
+ * 'compare_devs()' - Compare PPD file make and model names for sorting.
+ */
+
+static int				/* O - Result of comparison */
+compare_devs(const dev_info_t *d0,	/* I - First PPD file */
+             const dev_info_t *d1)	/* I - Second PPD file */
+{
+  const char	*s,			/* First name */
+		*t;			/* Second name */
+  int		diff,			/* Difference between digits */
+		digits;			/* Number of digits */
+
+
+ /* 
+  * First compare names...
+  */
+
+  s = d0->device_info;
+  t = d1->device_info;
+
+ /*
+  * Loop through both nicknames, returning only when a difference is
+  * seen.  Also, compare whole numbers rather than just characters, too!
+  */
+
+  while (*s && *t)
+  {
+    if (isdigit(*s) && isdigit(*t))
+    {
+     /*
+      * Got a number; start by skipping leading 0's...
+      */
+
+      while (*s == '0')
+        s ++;
+      while (*t == '0')
+        t ++;
+
+     /*
+      * Skip equal digits...
+      */
+
+      while (isdigit(*s) && *s == *t)
+      {
+        s ++;
+	t ++;
+      }
+
+     /*
+      * Bounce out if *s and *t aren't both digits...
+      */
+
+      if (isdigit(*s) && !isdigit(*t))
+        return (1);
+      else if (!isdigit(*s) && isdigit(*t))
+        return (-1);
+      else if (!isdigit(*s) || !isdigit(*t))
+        continue;     
+
+      if (*s < *t)
+        diff = -1;
+      else
+        diff = 1;
+
+     /*
+      * Figure out how many more digits there are...
+      */
+
+      digits = 0;
+      s ++;
+      t ++;
+
+      while (isdigit(*s))
+      {
+        digits ++;
+	s ++;
+      }
+
+      while (isdigit(*t))
+      {
+        digits --;
+	t ++;
+      }
+
+     /*
+      * Return if the number or value of the digits is different...
+      */
+
+      if (digits < 0)
+        return (-1);
+      else if (digits > 0)
+        return (1);
+      else if (diff)
+        return (diff);
+    }
+    else if (tolower(*s) < tolower(*t))
+      return (-1);
+    else if (tolower(*s) > tolower(*t))
+      return (1);
+    else
+    {
+      s ++;
+      t ++;
+    }
+  }
+
+ /*
+  * Return the results of the final comparison...
+  */
+
+  if (*s)
+    return (1);
+  else if (*t)
+    return (-1);
+  else if ((diff = strcasecmp(d0->device_class, d1->device_class)) != 0)
+    return (diff);
+  else
+    return (strcasecmp(d0->device_uri, d1->device_uri));
+}
+
+
+/*
+ * 'sigalrm_handler()' - Handle alarm signals for backends that get hung
+ *                       trying to list the available devices...
+ */
+
+static void
+sigalrm_handler(int sig)	/* I - Signal number */
+{
+  (void)sig;	/* remove compiler warnings... */
+
+  LogMessage(L_WARN, "LoadDevices: Backend did not respond within 30 seconds!");
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/dirsvc.c b/scheduler/dirsvc.c
new file mode 100644
index 000000000..53b413b7c
--- /dev/null
+++ b/scheduler/dirsvc.c
@@ -0,0 +1,1729 @@
+/*
+ * "$Id$"
+ *
+ *   Directory services routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ProcessBrowseData() - Process new browse data.
+ *   SendBrowseList()    - Send new browsing information as necessary.
+ *   SendCUPSBrowse()    - Send new browsing information using the CUPS protocol.
+ *   StartBrowsing()     - Start sending and receiving broadcast information.
+ *   StartPolling()      - Start polling servers as needed.
+ *   StopBrowsing()      - Stop sending and receiving broadcast information.
+ *   StopPolling()       - Stop polling servers as needed.
+ *   UpdateCUPSBrowse()  - Update the browse lists using the CUPS protocol.
+ *   UpdatePolling()     - Read status messages from the poll daemons.
+ *   RegReportCallback() - Empty SLPRegReport.
+ *   SendSLPBrowse()     - Register the specified printer with SLP.
+ *   SLPDeregPrinter()   - SLPDereg() the specified printer
+ *   GetSlpAttrVal()     - Get an attribute from an SLP registration.
+ *   AttrCallback()      - SLP attribute callback 
+ *   SrvUrlCallback()    - SLP service url callback
+ *   UpdateSLPBrowse()   - Get browsing information via SLP.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <grp.h>
+
+
+/*
+ * 'ProcessBrowseData()' - Process new browse data.
+ */
+
+void
+ProcessBrowseData(const char   *uri,	/* I - URI of printer/class */
+                  cups_ptype_t type,	/* I - Printer type */
+		  ipp_pstate_t state,	/* I - Printer state */
+                  const char   *location,/* I - Printer location */
+		  const char   *info,	/* I - Printer information */
+                  const char   *make_model) /* I - Printer make and model */
+{
+  int		i;			/* Looping var */
+  int		update;			/* Update printer attributes? */
+  char		method[HTTP_MAX_URI],	/* Method portion of URI */
+		username[HTTP_MAX_URI],	/* Username portion of URI */
+		host[HTTP_MAX_URI],	/* Host portion of URI */
+		resource[HTTP_MAX_URI];	/* Resource portion of URI */
+  int		port;			/* Port portion of URI */
+  char		name[IPP_MAX_NAME],	/* Name of printer */
+		*hptr,			/* Pointer into hostname */
+		*sptr;			/* Pointer into ServerName */
+  char		local_make_model[IPP_MAX_NAME];
+					/* Local make and model */
+  printer_t	*p,			/* Printer information */
+		*pclass,		/* Printer class */
+		*first,			/* First printer in class */
+		*next;			/* Next printer in list */
+  int		offset,			/* Offset of name */
+		len;			/* Length of name */
+
+
+ /*
+  * Pull the URI apart to see if this is a local or remote printer...
+  */
+
+  httpSeparate(uri, method, username, host, &port, resource);
+
+ /*
+  * OK, this isn't a local printer; see if we already have it listed in
+  * the Printers list, and add it if not...
+  */
+
+  update = 0;
+  hptr   = strchr(host, '.');
+  sptr   = strchr(ServerName, '.');
+
+  if (sptr != NULL && hptr != NULL)
+  {
+   /*
+    * Strip the common domain name components...
+    */
+
+    while (hptr != NULL)
+    {
+      if (strcasecmp(hptr, sptr) == 0)
+      {
+        *hptr = '\0';
+	break;
+      }
+      else
+        hptr = strchr(hptr + 1, '.');
+    }
+  }
+
+  if (type & CUPS_PRINTER_CLASS)
+  {
+   /*
+    * Remote destination is a class...
+    */
+
+    if (strncmp(resource, "/classes/", 9) == 0)
+      snprintf(name, sizeof(name), "%s@%s", resource + 9, host);
+    else
+      return;
+
+    if ((p = FindClass(name)) == NULL && BrowseShortNames)
+    {
+      if ((p = FindClass(resource + 9)) != NULL)
+      {
+        if (strcasecmp(p->hostname, host) != 0 && p->hostname[0])
+	{
+	 /*
+	  * Nope, this isn't the same host; if the hostname isn't the local host,
+	  * add it to the other class and then find a class using the full host
+	  * name...
+	  */
+
+	  if (p->type & CUPS_PRINTER_REMOTE)
+	  {
+	    /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+            strncat(p->name, "@", sizeof(p->name) - 1);
+	    strncat(p->name, p->hostname, sizeof(p->name) - 1);
+	    SetPrinterAttrs(p);
+	    SortPrinters();
+	  }
+
+          p = NULL;
+	}
+	else if (!p->hostname[0])
+	{
+	  /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+          strncpy(p->hostname, host, sizeof(p->hostname) - 1);
+	  strncpy(p->uri, uri, sizeof(p->uri) - 1);
+	  strncpy(p->device_uri, uri, sizeof(p->device_uri) - 1);
+          update = 1;
+        }
+      }
+      else
+      {
+        strncpy(name, resource + 9, sizeof(name) - 1);
+        name[sizeof(name) - 1] = '\0';
+      }
+    }
+    else if (p != NULL && !p->hostname[0])
+    {
+      /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+      strncpy(p->hostname, host, sizeof(p->hostname) - 1);
+      strncpy(p->uri, uri, sizeof(p->uri) - 1);
+      strncpy(p->device_uri, uri, sizeof(p->device_uri) - 1);
+      update = 1;
+    }
+
+    if (p == NULL)
+    {
+     /*
+      * Class doesn't exist; add it...
+      */
+
+      p = AddClass(name);
+
+      LogMessage(L_INFO, "Added remote class \"%s\"...", name);
+
+     /*
+      * Force the URI to point to the real server...
+      */
+
+      p->type = type;
+      /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+      strncpy(p->uri, uri, sizeof(p->uri) - 1);
+      strncpy(p->device_uri, uri, sizeof(p->device_uri) - 1);
+      strncpy(p->hostname, host, sizeof(p->hostname) - 1);
+
+      update = 1;
+    }
+  }
+  else
+  {
+   /*
+    * Remote destination is a printer...
+    */
+
+    if (strncmp(resource, "/printers/", 10) == 0)
+      snprintf(name, sizeof(name), "%s@%s", resource + 10, host);
+    else
+      return;
+
+    if ((p = FindPrinter(name)) == NULL && BrowseShortNames)
+    {
+      if ((p = FindPrinter(resource + 10)) != NULL)
+      {
+        if (strcasecmp(p->hostname, host) != 0 && p->hostname[0])
+	{
+	 /*
+	  * Nope, this isn't the same host; if the hostname isn't the local host,
+	  * add it to the other printer and then find a printer using the full host
+	  * name...
+	  */
+
+	  if (p->type & CUPS_PRINTER_REMOTE)
+	  {
+	    /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+            strncat(p->name, "@", sizeof(p->name) - 1);
+	    strncat(p->name, p->hostname, sizeof(p->name) - 1);
+	    SetPrinterAttrs(p);
+	    SortPrinters();
+	  }
+
+          p = NULL;
+	}
+	else if (!p->hostname[0])
+	{
+	  /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+          strncpy(p->hostname, host, sizeof(p->hostname) - 1);
+	  strncpy(p->uri, uri, sizeof(p->uri) - 1);
+	  strncpy(p->device_uri, uri, sizeof(p->device_uri) - 1);
+          update = 1;
+        }
+      }
+      else
+      {
+        strncpy(name, resource + 10, sizeof(name) - 1);
+        name[sizeof(name) - 1] = '\0';
+      }
+    }
+    else if (p != NULL && !p->hostname[0])
+    {
+      /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+      strncpy(p->hostname, host, sizeof(p->hostname) - 1);
+      strncpy(p->uri, uri, sizeof(p->uri) - 1);
+      strncpy(p->device_uri, uri, sizeof(p->device_uri) - 1);
+      update = 1;
+    }
+
+    if (p == NULL)
+    {
+     /*
+      * Printer doesn't exist; add it...
+      */
+
+      p = AddPrinter(name);
+
+      LogMessage(L_INFO, "Added remote printer \"%s\"...", name);
+
+     /*
+      * Force the URI to point to the real server...
+      */
+
+      p->type = type;
+      /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+      strncpy(p->hostname, host, sizeof(p->hostname) - 1);
+      strncpy(p->uri, uri, sizeof(p->uri) - 1);
+      strncpy(p->device_uri, uri, sizeof(p->device_uri) - 1);
+
+      update = 1;
+    }
+  }
+
+ /*
+  * Update the state...
+  */
+
+  p->state       = state;
+  p->accepting   = state != IPP_PRINTER_STOPPED;
+  p->browse_time = time(NULL);
+
+  if (p->type != type)
+  {
+    p->type = type;
+    update  = 1;
+  }
+
+  if (strcmp(p->location, location))
+  {
+    /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+    strncpy(p->location, location, sizeof(p->location) - 1);
+    update = 1;
+  }
+
+  if (strcmp(p->info, info))
+  {
+    /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+    strncpy(p->info, info, sizeof(p->info) - 1);
+    update = 1;
+  }
+
+  if (!make_model[0])
+  {
+    if (type & CUPS_PRINTER_CLASS)
+      snprintf(local_make_model, sizeof(local_make_model),
+               "Remote Class on %s", host);
+    else
+      snprintf(local_make_model, sizeof(local_make_model),
+               "Remote Printer on %s", host);
+  }
+  else
+    snprintf(local_make_model, sizeof(local_make_model),
+             "%s on %s", make_model, host);
+
+  if (strcmp(p->make_model, local_make_model))
+  {
+    /* No "p->var[sizeof(p->var) - 1] = '\0';" because p is zeroed */
+    strncpy(p->make_model, local_make_model, sizeof(p->make_model) - 1);
+    update = 1;
+  }
+
+  if (update)
+    SetPrinterAttrs(p);
+
+ /*
+  * See if we have a default printer...  If not, make the first printer the
+  * default.
+  */
+
+  if (DefaultPrinter == NULL && Printers != NULL)
+    DefaultPrinter = Printers;
+
+ /*
+  * Do auto-classing if needed...
+  */
+
+  if (ImplicitClasses)
+  {
+   /*
+    * Loop through all available printers and create classes as needed...
+    */
+
+    for (p = Printers, len = 0, offset = 0, first = NULL;
+         p != NULL;
+	 p = next)
+    {
+     /*
+      * Get next printer in list...
+      */
+
+      next = p->next;
+
+     /*
+      * Skip classes...
+      */
+
+      if (p->type & (CUPS_PRINTER_IMPLICIT | CUPS_PRINTER_CLASS))
+      {
+        len = 0;
+        continue;
+      }
+
+     /*
+      * If len == 0, get the length of this printer name up to the "@"
+      * sign (if any).
+      */
+
+      if (len > 0 &&
+	  strncasecmp(p->name, name + offset, len) == 0 &&
+	  (p->name[len] == '\0' || p->name[len] == '@'))
+      {
+       /*
+	* We have more than one printer with the same name; see if
+	* we have a class, and if this printer is a member...
+	*/
+
+        if ((pclass = FindPrinter(name)) == NULL)
+	{
+	 /*
+	  * Need to add the class...
+	  */
+
+	  pclass = AddPrinter(name);
+	  pclass->type      |= CUPS_PRINTER_IMPLICIT;
+	  pclass->accepting = 1;
+	  pclass->state     = IPP_PRINTER_IDLE;
+
+          SetPrinterAttrs(pclass);
+
+          LogMessage(L_INFO, "Added implicit class \"%s\"...", name);
+	}
+
+        if (first != NULL)
+	{
+          for (i = 0; i < pclass->num_printers; i ++)
+	    if (pclass->printers[i] == first)
+	      break;
+
+          if (i >= pclass->num_printers)
+	    AddPrinterToClass(pclass, first);
+
+	  first = NULL;
+	}
+
+        for (i = 0; i < pclass->num_printers; i ++)
+	  if (pclass->printers[i] == p)
+	    break;
+
+        if (i >= pclass->num_printers)
+	  AddPrinterToClass(pclass, p);
+      }
+      else
+      {
+       /*
+        * First time around; just get name length and mark it as first
+	* in the list...
+	*/
+
+	if ((hptr = strchr(p->name, '@')) != NULL)
+	  len = hptr - p->name;
+	else
+	  len = strlen(p->name);
+
+        strncpy(name, p->name, len);
+	name[len] = '\0';
+	offset    = 0;
+
+	if ((pclass = FindPrinter(name)) != NULL &&
+	    !(pclass->type & CUPS_PRINTER_IMPLICIT))
+	{
+	 /*
+	  * Can't use same name as a local printer; add "Any" to the
+	  * front of the name, unless we have explicitly disabled
+	  * the "ImplicitAnyClasses"...
+	  */
+
+          if (ImplicitAnyClasses)
+	  {
+	   /*
+	    * Add "Any" to the class name...
+	    */
+
+            strcpy(name, "Any");
+            strncpy(name + 3, p->name, len);
+	    name[len + 3] = '\0';
+	    offset        = 3;
+	  }
+	  else
+	  {
+	   /*
+	    * Don't create an implicit class if we have a local printer
+	    * with the same name...
+	    */
+
+	    len = 0;
+	    continue;
+	  }
+	}
+
+	first = p;
+      }
+    }
+  }
+}
+
+
+/*
+ * 'SendBrowseList()' - Send new browsing information as necessary.
+ */
+
+void
+SendBrowseList(void)
+{
+  printer_t		*p,	/* Current printer */
+			*np;	/* Next printer */
+  time_t		ut,	/* Minimum update time */
+			to;	/* Timeout time */
+
+
+  if (!Browsing || !(BrowseProtocols & BROWSE_CUPS))
+    return;
+
+ /*
+  * Compute the update and timeout times...
+  */
+
+  ut = time(NULL) - BrowseInterval;
+  to = time(NULL) - BrowseTimeout;
+
+ /*
+  * Loop through all of the printers and send local updates as needed...
+  */
+
+  for (p = Printers; p != NULL; p = np)
+  {
+    np = p->next;
+
+    if (p->type & CUPS_PRINTER_REMOTE)
+    {
+     /*
+      * See if this printer needs to be timed out...
+      */
+
+      if (p->browse_time < to)
+      {
+        LogMessage(L_INFO, "Remote destination \"%s\" has timed out; deleting it...",
+	           p->name);
+        DeletePrinter(p);
+      }
+    }
+    else if (p->browse_time < ut &&  BrowseInterval > 0 &&
+            !(p->type & CUPS_PRINTER_IMPLICIT))
+    {
+     /*
+      * Need to send an update...
+      */
+
+      p->browse_time = time(NULL);
+
+      if (BrowseProtocols & BROWSE_CUPS)
+        SendCUPSBrowse(p);
+
+#ifdef HAVE_LIBSLP
+      if (BrowseProtocols & BROWSE_SLP)
+        SendSLPBrowse(p);
+#endif /* HAVE_LIBSLP */
+    }
+  }
+}
+
+
+/*
+ * 'SendCUPSBrowse()' - Send new browsing information using the CUPS protocol.
+ */
+
+void
+SendCUPSBrowse(printer_t *p)	/* I - Printer to send */
+{
+  int			i;	/* Looping var */
+  int			bytes;	/* Length of packet */
+  char			packet[1453];
+				/* Browse data packet */
+
+
+  snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\"\n",
+           p->type | CUPS_PRINTER_REMOTE, p->state, p->uri,
+	   p->location, p->info, p->make_model);
+
+  bytes = strlen(packet);
+  LogMessage(L_DEBUG2, "SendBrowseList: (%d bytes) %s", bytes, packet);
+
+ /*
+  * Send a packet to each browse address...
+  */
+
+  for (i = 0; i < NumBrowsers; i ++)
+    if (sendto(BrowseSocket, packet, bytes, 0,
+	       (struct sockaddr *)Browsers + i, sizeof(Browsers[0])) <= 0)
+    {
+      LogMessage(L_ERROR, "SendBrowseList: sendto failed for browser %d - %s.",
+	         i + 1, strerror(errno));
+      LogMessage(L_ERROR, "Browsing turned off.");
+
+      StopBrowsing();
+      Browsing = 0;
+      return;
+    }
+}
+
+
+/*
+ * 'StartBrowsing()' - Start sending and receiving broadcast information.
+ */
+
+void
+StartBrowsing(void)
+{
+  int			val;	/* Socket option value */
+  struct sockaddr_in	addr;	/* Broadcast address */
+
+
+  if (!Browsing)
+    return;
+
+  if (BrowseProtocols & BROWSE_CUPS)
+  {
+   /*
+    * Create the broadcast socket...
+    */
+
+    if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+    {
+      LogMessage(L_ERROR, "StartBrowsing: Unable to create broadcast socket - %s.",
+        	 strerror(errno));
+      Browsing = 0;
+      return;
+    }
+
+   /*
+    * Set the "broadcast" flag...
+    */
+
+    val = 1;
+    if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
+    {
+      LogMessage(L_ERROR, "StartBrowsing: Unable to set broadcast mode - %s.",
+        	 strerror(errno));
+
+#ifdef WIN32
+      closesocket(BrowseSocket);
+#else
+      close(BrowseSocket);
+#endif /* WIN32 */
+
+      BrowseSocket = -1;
+      Browsing     = 0;
+      return;
+    }
+
+   /*
+    * Bind the socket to browse port...
+    */
+
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    addr.sin_family      = AF_INET;
+    addr.sin_port        = htons(BrowsePort);
+
+    if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
+    {
+      LogMessage(L_ERROR, "StartBrowsing: Unable to bind broadcast socket - %s.",
+        	 strerror(errno));
+
+#ifdef WIN32
+      closesocket(BrowseSocket);
+#else
+      close(BrowseSocket);
+#endif /* WIN32 */
+
+      BrowseSocket = -1;
+      Browsing     = 0;
+      return;
+    }
+
+   /*
+    * Finally, add the socket to the input selection set...
+    */
+
+    LogMessage(L_DEBUG2, "StartBrowsing: Adding fd %d to InputSet...",
+               BrowseSocket);
+
+    FD_SET(BrowseSocket, &InputSet);
+  }
+
+#ifdef HAVE_LIBSLP
+  if (BrowseProtocols & BROWSE_SLP)
+  {
+   /* 
+    * Open SLP handle...
+    */
+
+    if (SLPOpen("en", SLP_FALSE, &BrowseSLPHandle) != SLP_OK)
+    {
+      LogMessage(L_ERROR, "Unable to open an SLP handle; disabling SLP browsing!");
+      BrowseProtocols &= ~BROWSE_SLP;
+    }
+
+    BrowseSLPRefresh = 0;
+  }
+#endif /* HAVE_LIBSLP */
+}
+
+
+/*
+ * 'StartPolling()' - Start polling servers as needed.
+ */
+
+void
+StartPolling(void)
+{
+  int		i;		/* Looping var */
+  dirsvc_poll_t	*poll;		/* Current polling server */
+  int		pid;		/* New process ID */
+  char		sport[10];	/* Server port */
+  char		bport[10];	/* Browser port */
+  char		interval[10];	/* Poll interval */
+  int		statusfds[2];	/* Status pipe */
+  int		fd;		/* Current file descriptor */
+
+
+ /*
+  * Don't do anything if we aren't polling...
+  */
+
+  if (NumPolled == 0)
+  {
+    PollPipe = -1;
+    return;
+  }
+
+ /*
+  * Setup string arguments for port and interval options.
+  */
+
+  sprintf(bport, "%d", BrowsePort);
+
+  if (BrowseInterval)
+    sprintf(interval, "%d", BrowseInterval);
+  else
+    strcpy(interval, "30");
+
+ /*
+  * Create a pipe that receives the status messages from each
+  * polling daemon...
+  */
+
+  if (pipe(statusfds))
+  {
+    LogMessage(L_ERROR, "Unable to create polling status pipes - %s.",
+	       strerror(errno));
+    PollPipe = -1;
+    return;
+  }
+
+  PollPipe = statusfds[0];
+
+ /*
+  * Run each polling daemon, redirecting stderr to the polling pipe...
+  */
+
+  for (i = 0, poll = Polled; i < NumPolled; i ++, poll ++)
+  {
+    sprintf(sport, "%d", poll->port);
+
+    if ((pid = fork()) == 0)
+    {
+     /*
+      * Child...
+      */
+
+      if (getuid() == 0)
+      {
+       /*
+	* Running as root, so change to non-priviledged user...
+	*/
+
+	if (setgid(Group))
+          exit(errno);
+
+	if (setuid(User))
+          exit(errno);
+      }
+
+     /*
+      * Reset group membership to just the main one we belong to.
+      */
+
+      setgroups(0, NULL);
+
+     /*
+      * Redirect stdin and stdout to /dev/null, and stderr to the
+      * status pipe.  Close all other files.
+      */
+
+      close(0);
+      open("/dev/null", O_RDONLY);
+
+      close(1);
+      open("/dev/null", O_WRONLY);
+
+      close(2);
+      dup(statusfds[1]);
+
+      for (fd = 3; fd < MaxFDs; fd ++)
+	close(fd);
+
+     /*
+      * Execute the polling daemon...
+      */
+
+      execl(CUPS_SERVERBIN "/daemon/cups-polld", "cups-polld", poll->hostname,
+            sport, interval, bport, NULL);
+      exit(errno);
+    }
+    else if (pid < 0)
+    {
+      LogMessage(L_ERROR, "StartPolling: Unable to fork polling daemon - %s",
+                 strerror(errno));
+      poll->pid = 0;
+      break;
+    }
+    else
+    {
+      poll->pid = pid;
+      LogMessage(L_DEBUG, "StartPolling: Started polling daemon for %s:%d, pid = %d",
+                 poll->hostname, poll->port, pid);
+    }
+  }
+
+  close(statusfds[1]);
+
+ /*
+  * Finally, add the pipe to the input selection set...
+  */
+
+  LogMessage(L_DEBUG2, "StartPolling: Adding fd %d to InputSet...",
+             PollPipe);
+
+  FD_SET(PollPipe, &InputSet);
+}
+
+
+/*
+ * 'StopBrowsing()' - Stop sending and receiving broadcast information.
+ */
+
+void
+StopBrowsing(void)
+{
+  if (!Browsing)
+    return;
+
+  if (BrowseProtocols & BROWSE_CUPS)
+  {
+   /*
+    * Close the socket and remove it from the input selection set.
+    */
+
+    if (BrowseSocket >= 0)
+    {
+#ifdef WIN32
+      closesocket(BrowseSocket);
+#else
+      close(BrowseSocket);
+#endif /* WIN32 */
+
+      LogMessage(L_DEBUG2, "StopBrowsing: Removing fd %d from InputSet...",
+        	 BrowseSocket);
+
+      FD_CLR(BrowseSocket, &InputSet);
+      BrowseSocket = 0;
+    }
+  }
+
+#ifdef HAVE_LIBSLP
+  if (BrowseProtocols & BROWSE_SLP)
+  {
+   /* 
+    * Close SLP handle...
+    */
+
+    SLPClose(BrowseSLPHandle);
+  }
+#endif /* HAVE_LIBSLP */
+}
+
+
+/*
+ * 'StopPolling()' - Stop polling servers as needed.
+ */
+
+void
+StopPolling(void)
+{
+  int		i;		/* Looping var */
+  dirsvc_poll_t	*poll;		/* Current polling server */
+
+
+  if (PollPipe)
+  {
+    close(PollPipe);
+
+    LogMessage(L_DEBUG2, "StopPolling: removing fd %d from InputSet.",
+               PollPipe);
+    FD_CLR(PollPipe, &InputSet);
+
+    PollPipe = -1;
+  }
+
+  for (i = 0, poll = Polled; i < NumPolled; i ++, poll ++)
+    if (poll->pid)
+      kill(poll->pid, SIGTERM);
+}
+
+
+/*
+ * 'UpdateCUPSBrowse()' - Update the browse lists using the CUPS protocol.
+ */
+
+void
+UpdateCUPSBrowse(void)
+{
+  int		i;			/* Looping var */
+  int		auth;			/* Authorization status */
+  int		len;			/* Length of name string */
+  int		bytes;			/* Number of bytes left */
+  char		packet[1540],		/* Broadcast packet */
+		*pptr;			/* Pointer into packet */
+  struct sockaddr_in srcaddr;		/* Source address */
+  char		srcname[1024];		/* Source hostname */
+  unsigned	address;		/* Source address (host order) */
+  struct hostent *srchost;		/* Host entry for source address */
+  cups_ptype_t	type;			/* Printer type */
+  ipp_pstate_t	state;			/* Printer state */
+  char		uri[HTTP_MAX_URI],	/* Printer URI */
+		method[HTTP_MAX_URI],	/* Method portion of URI */
+		username[HTTP_MAX_URI],	/* Username portion of URI */
+		host[HTTP_MAX_URI],	/* Host portion of URI */
+		resource[HTTP_MAX_URI],	/* Resource portion of URI */
+		info[IPP_MAX_NAME],	/* Information string */
+		location[IPP_MAX_NAME],	/* Location string */
+		make_model[IPP_MAX_NAME];/* Make and model string */
+  int		port;			/* Port portion of URI */
+
+
+ /*
+  * Read a packet from the browse socket...
+  */
+
+  len = sizeof(srcaddr);
+  if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet), 0, 
+                        (struct sockaddr *)&srcaddr, &len)) <= 0)
+  {
+   /*
+    * "Connection refused" is returned under Linux if the destination port
+    * or address is unreachable from a previous sendto(); check for the
+    * error here and ignore it for now...
+    */
+
+    if (errno != ECONNREFUSED)
+    {
+      LogMessage(L_ERROR, "Browse recv failed - %s.", strerror(errno));
+      LogMessage(L_ERROR, "Browsing turned off.");
+
+      StopBrowsing();
+      Browsing = 0;
+    }
+
+    return;
+  }
+
+  packet[bytes] = '\0';
+
+ /*
+  * Figure out where it came from...
+  */
+
+  address = ntohl(srcaddr.sin_addr.s_addr);
+
+  if (HostNameLookups)
+#ifndef __sgi
+    srchost = gethostbyaddr((char *)&(srcaddr.sin_addr), sizeof(struct in_addr),
+                            AF_INET);
+#else
+    srchost = gethostbyaddr(&(srcaddr.sin_addr), sizeof(struct in_addr),
+                            AF_INET);
+#endif /* !__sgi */
+  else
+    srchost = NULL;
+
+  if (srchost == NULL)
+    sprintf(srcname, "%d.%d.%d.%d", address >> 24, (address >> 16) & 255,
+            (address >> 8) & 255, address & 255);
+  else
+  {
+    strncpy(srcname, srchost->h_name, sizeof(srcname) - 1);
+    srcname[sizeof(srcname) - 1] = '\0';
+  }
+
+  len = strlen(srcname);
+
+ /*
+  * Do ACL stuff...
+  */
+
+  if (BrowseACL && (BrowseACL->num_allow || BrowseACL->num_deny))
+  {
+    if (address == 0x7f000001 || strcasecmp(srcname, "localhost") == 0)
+    {
+     /*
+      * Access from localhost (127.0.0.1) is always allowed...
+      */
+
+      auth = AUTH_ALLOW;
+    }
+    else
+    {
+     /*
+      * Do authorization checks on the domain/address...
+      */
+
+      switch (BrowseACL->order_type)
+      {
+        default :
+	    auth = AUTH_DENY;	/* anti-compiler-warning-code */
+	    break;
+
+	case AUTH_ALLOW : /* Order Deny,Allow */
+            auth = AUTH_ALLOW;
+
+            if (CheckAuth(address, srcname, len,
+	        	  BrowseACL->num_deny, BrowseACL->deny))
+	      auth = AUTH_DENY;
+
+            if (CheckAuth(address, srcname, len,
+	        	  BrowseACL->num_allow, BrowseACL->allow))
+	      auth = AUTH_ALLOW;
+	    break;
+
+	case AUTH_DENY : /* Order Allow,Deny */
+            auth = AUTH_DENY;
+
+            if (CheckAuth(address, srcname, len,
+	        	  BrowseACL->num_allow, BrowseACL->allow))
+	      auth = AUTH_ALLOW;
+
+            if (CheckAuth(address, srcname, len,
+	        	  BrowseACL->num_deny, BrowseACL->deny))
+	      auth = AUTH_DENY;
+	    break;
+      }
+    }
+  }
+  else
+    auth = AUTH_ALLOW;
+
+  if (auth == AUTH_DENY)
+  {
+    LogMessage(L_DEBUG, "UpdateBrowseList: Refused %d bytes from %s", bytes,
+               srcname);
+    return;
+  }
+
+  LogMessage(L_DEBUG2, "UpdateBrowseList: (%d bytes from %s) %s", bytes, srcname,
+             packet);
+
+ /*
+  * Parse packet...
+  */
+
+  if (sscanf(packet, "%x%x%1023s", (unsigned *)&type, (unsigned *)&state,
+             uri) < 3)
+  {
+    LogMessage(L_WARN, "UpdateBrowseList: Garbled browse packet - %s",
+               packet);
+    return;
+  }
+
+  strcpy(location, "Location Unknown");
+  strcpy(info, "No Information Available");
+  make_model[0] = '\0';
+
+  if ((pptr = strchr(packet, '\"')) != NULL)
+  {
+   /*
+    * Have extended information; can't use sscanf for it because not all
+    * sscanf's allow empty strings with %[^\"]...
+    */
+
+    for (i = 0, pptr ++;
+         i < (sizeof(location) - 1) && *pptr && *pptr != '\"';
+         i ++, pptr ++)
+      location[i] = *pptr;
+
+    if (i)
+      location[i] = '\0';
+
+    if (*pptr == '\"')
+      pptr ++;
+
+    while (*pptr && isspace(*pptr))
+      pptr ++;
+
+    if (*pptr == '\"')
+    {
+      for (i = 0, pptr ++;
+           i < (sizeof(info) - 1) && *pptr && *pptr != '\"';
+           i ++, pptr ++)
+	info[i] = *pptr;
+
+      if (i)
+	info[i] = '\0';
+
+      if (*pptr == '\"')
+	pptr ++;
+
+      while (*pptr && isspace(*pptr))
+	pptr ++;
+
+      if (*pptr == '\"')
+      {
+	for (i = 0, pptr ++;
+             i < (sizeof(make_model) - 1) && *pptr && *pptr != '\"';
+             i ++, pptr ++)
+	  make_model[i] = *pptr;
+
+	if (i)
+	  make_model[i] = '\0';
+      }
+    }
+  }
+
+  DEBUG_puts(packet);
+  DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n"
+                "location=\"%s\", info=\"%s\", make_model=\"%s\"\n",
+	        type, state, uri, location, info, make_model));
+
+ /*
+  * Pull the URI apart to see if this is a local or remote printer...
+  */
+
+  httpSeparate(uri, method, username, host, &port, resource);
+
+  DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));
+
+  if (strcasecmp(host, ServerName) == 0)
+    return;
+
+ /*
+  * Do relaying...
+  */
+
+  for (i = 0; i < NumRelays; i ++)
+    if (CheckAuth(address, srcname, len, 1, &(Relays[i].from)))
+      if (sendto(BrowseSocket, packet, bytes, 0,
+                 (struct sockaddr *)&(Relays[i].to),
+		 sizeof(struct sockaddr_in)) <= 0)
+      {
+	LogMessage(L_ERROR, "UpdateBrowseList: sendto failed for relay %d - %s.",
+	           i + 1, strerror(errno));
+	return;
+      }
+
+ /*
+  * Process the browse data...
+  */
+
+  ProcessBrowseData(uri, type, state, location, info, make_model);
+}
+
+
+/*
+ * 'UpdatePolling()' - Read status messages from the poll daemons.
+ */
+
+void
+UpdatePolling(void)
+{
+  int		bytes;		/* Number of bytes read */
+  char		*lineptr;	/* Pointer to end of line in buffer */
+  static int	bufused = 0;	/* Number of bytes used in buffer */
+  static char	buffer[1024];	/* Status buffer */
+
+
+  if ((bytes = read(PollPipe, buffer + bufused,
+                    sizeof(buffer) - bufused - 1)) > 0)
+  {
+    bufused += bytes;
+    buffer[bufused] = '\0';
+    lineptr = strchr(buffer, '\n');
+  }
+  else if (bytes < 0 && errno == EINTR)
+    return;
+  else
+  {
+    lineptr    = buffer + bufused;
+    lineptr[1] = 0;
+  }
+
+  if (bytes == 0 && bufused == 0)
+    lineptr = NULL;
+
+  while (lineptr != NULL)
+  {
+   /*
+    * Terminate each line and process it...
+    */
+
+    *lineptr++ = '\0';
+
+    LogMessage(L_ERROR, "%s", buffer);
+
+   /*
+    * Copy over the buffer data we've used up...
+    */
+
+    strcpy(buffer, lineptr);
+    bufused -= lineptr - buffer;
+
+    if (bufused < 0)
+      bufused = 0;
+
+    lineptr = strchr(buffer, '\n');
+  }
+
+  if (bytes <= 0)
+  {
+   /*
+    * All polling processes have died; stop polling...
+    */
+
+    LogMessage(L_ERROR, "UpdatePolling: all polling processes have exited!");
+    StopPolling();
+  }
+}
+
+
+/***********************************************************************
+ **** SLP Support Code *************************************************
+ ***********************************************************************/
+
+#ifdef HAVE_LIBSLP 
+/*
+ * SLP service name for CUPS...
+ */
+
+#  define SLP_CUPS_SRVTYPE	"service:printer"
+#  define SLP_CUPS_SRVLEN	15
+
+
+/* 
+ * Printer service URL structure
+ */
+
+typedef struct _slpsrvurl
+{
+  struct _slpsrvurl	*next;
+  char			url[HTTP_MAX_URI];
+} slpsrvurl_t;
+
+
+/*
+ * 'RegReportCallback()' - Empty SLPRegReport.
+ */
+
+void
+RegReportCallback(SLPHandle hslp,
+                  SLPError  errcode,
+		  void      *cookie)
+{
+  (void)hslp;
+  (void)errcode;
+  (void)cookie;
+
+  return;
+}
+
+
+/*
+ * 'SendSLPBrowse()' - Register the specified printer with SLP.
+ */
+
+void 
+SendSLPBrowse(printer_t *p)		/* I - Printer to register */
+{
+  char		srvurl[HTTP_MAX_URI],	/* Printer service URI */
+		attrs[8192],		/* Printer attributes */
+		finishings[1024],	/* Finishings to support */
+		make_model[IPP_MAX_NAME * 2],
+					/* Make and model, quoted */
+		location[IPP_MAX_NAME * 2],
+					/* Location, quoted */
+		info[IPP_MAX_NAME * 2],
+					/* Info, quoted */
+		*src,			/* Pointer to original string */
+		*dst;			/* Pointer to destination string */
+  ipp_attribute_t *authentication;	/* uri-authentication-supported value */
+  SLPError	error;			/* SLP error, if any */
+
+
+  LogMessage(L_DEBUG, "SendSLPBrowse(%p = \"%s\")", p, p->name);
+
+ /*
+  * Make the SLP service URL that conforms to the IANA 
+  * 'printer:' template.
+  */
+
+  snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
+
+  LogMessage(L_DEBUG2, "Service URL = \"%s\"", srvurl);
+
+ /*
+  * Figure out the finishings string...
+  */
+
+  if (p->type & CUPS_PRINTER_STAPLE)
+    strcpy(finishings, "staple");
+  else
+    finishings[0] = '\0';
+
+  if (p->type & CUPS_PRINTER_BIND)
+  {
+    if (finishings[0])
+      strncat(finishings, ",bind", sizeof(finishings) - 1);
+    else
+      strcpy(finishings, "bind");
+  }
+
+  if (p->type & CUPS_PRINTER_PUNCH)
+  {
+    if (finishings[0])
+      strncat(finishings, ",punch", sizeof(finishings) - 1);
+    else
+      strcpy(finishings, "punch");
+  }
+
+  if (p->type & CUPS_PRINTER_COVER)
+  {
+    if (finishings[0])
+      strncat(finishings, ",cover", sizeof(finishings) - 1);
+    else
+      strcpy(finishings, "cover");
+  }
+
+  if (p->type & CUPS_PRINTER_SORT)
+  {
+    if (finishings[0])
+      strncat(finishings, ",sort", sizeof(finishings) - 1);
+    else
+      strcpy(finishings, "sort");
+  }
+
+  if (!finishings[0])
+    strcpy(finishings, "none");
+
+  finishings[sizeof(finishings) - 1] = '\0';
+
+ /*
+  * Quote any commas in the make and model, location, and info strings
+  * (local strings are twice the size of the ones in the printer_t
+  * structure, so no buffer overflow is possible...)
+  */
+
+  for (src = p->make_model, dst = make_model; *src;)
+  {
+    if (*src == ',' || *src == '\\' || *src == ')')
+      *dst++ = '\\';
+
+    *dst++ = *src++;
+  }
+
+  *dst = '\0';
+
+  if (!make_model[0])
+    strcpy(make_model, "Unknown");
+
+  for (src = p->location, dst = location; *src;)
+  {
+    if (*src == ',' || *src == '\\' || *src == ')')
+      *dst++ = '\\';
+
+    *dst++ = *src++;
+  }
+
+  *dst = '\0';
+
+  if (!location[0])
+    strcpy(location, "Unknown");
+
+  for (src = p->info, dst = info; *src;)
+  {
+    if (*src == ',' || *src == '\\' || *src == ')')
+      *dst++ = '\\';
+
+    *dst++ = *src++;
+  }
+
+  *dst = '\0';
+
+  if (!info[0])
+    strcpy(info, "Unknown");
+
+ /*
+  * Get the authentication value...
+  */
+
+  authentication = ippFindAttribute(p->attrs, "uri-authentication-supported",
+                                    IPP_TAG_KEYWORD);
+
+ /*
+  * Make the SLP attribute string list that conforms to
+  * the IANA 'printer:' template.
+  */
+
+  snprintf(attrs, sizeof(attrs),
+           "(printer-uri-supported=%s),"
+           "(uri-authentication-supported=%s>),"
+#ifdef HAVE_LIBSSL
+           "(uri-security-supported=tls>),"
+#else
+           "(uri-security-supported=none>),"
+#endif /* HAVE_LIBSSL */
+           "(printer-name=%s),"
+           "(printer-location=%s),"
+           "(printer-info=%s),"
+           "(printer-more-info=%s),"
+           "(printer-make-and-model=%s),"
+	   "(charset-supported=utf-8),"
+	   "(natural-language-configured=%s),"
+	   "(natural-language-supported=de,en,es,fr,it),"
+           "(color-supported=%s),"
+           "(finishings-supported=%s),"
+           "(sides-supported=one-sided%s),"
+	   "(multiple-document-jobs-supported=true)"
+	   "(ipp-versions-supported=1.0,1.1)",
+	   p->uri, authentication->values[0].string.text, p->name, location,
+	   info, p->uri, make_model, DefaultLanguage,
+           p->type & CUPS_PRINTER_COLOR ? "true" : "false",
+           finishings,
+           p->type & CUPS_PRINTER_DUPLEX ?
+	       ",two-sided-long-edge,two-sided-short-edge" : "");
+
+  LogMessage(L_DEBUG2, "Attributes = \"%s\"", attrs);
+
+ /*
+  * Register the printer with the SLP server...
+  */
+
+  error = SLPReg(BrowseSLPHandle, srvurl, BrowseTimeout,
+	         SLP_CUPS_SRVTYPE, attrs, SLP_TRUE, RegReportCallback, 0);
+
+  if (error != SLP_OK)
+    LogMessage(L_ERROR, "SLPReg of \"%s\" failed with status %d!", p->name,
+               error);
+}
+
+
+/*
+ * 'SLPDeregPrinter()' - SLPDereg() the specified printer
+ */
+
+void 
+SLPDeregPrinter(printer_t *p)
+{
+  char	srvurl[HTTP_MAX_URI];	/* Printer service URI */
+
+
+  if((p->type & CUPS_PRINTER_REMOTE) == 0)
+  {
+   /*
+    * Make the SLP service URL that conforms to the IANA 
+    * 'printer:' template.
+    */
+
+    snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
+
+   /*
+    * Deregister the printer...
+    */
+
+    SLPDereg(BrowseSLPHandle, srvurl, RegReportCallback, 0);
+  }
+}
+
+
+/*
+ * 'GetSlpAttrVal()' - Get an attribute from an SLP registration.
+ */
+
+int 					/* O - 0 on success */
+GetSlpAttrVal(const char *attrlist,	/* I - Attribute list string */
+              const char *tag,		/* I - Name of attribute */
+              char       *valbuf,	/* O - Value */
+              int        valbuflen)	/* I - Max length of value */
+{
+  char	*ptr1,				/* Pointer into string */
+	*ptr2;				/* ... */
+
+
+  valbuf[0] = '\0';
+
+  if ((ptr1 = strstr(attrlist, tag)) != NULL)
+  {
+    ptr1 += strlen(tag);
+
+    if ((ptr2 = strchr(ptr1,')')) != NULL)
+    {
+      if (valbuflen > (ptr2 - ptr1))
+      {
+       /*
+        * Copy the value...
+	*/
+
+        strncpy(valbuf, ptr1, ptr2 - ptr1);
+	valbuf[ptr2 - ptr1] = '\0';
+
+       /*
+        * Dequote the value...
+	*/
+
+	for (ptr1 = valbuf; *ptr1; ptr1 ++)
+	  if (*ptr1 == '\\' && ptr1[1])
+	    strcpy(ptr1, ptr1 + 1);
+
+        return (0);
+      }
+    }
+  }
+
+  return (-1);
+}
+
+
+/*
+ * 'AttrCallback()' - SLP attribute callback 
+ */
+
+SLPBoolean
+AttrCallback(SLPHandle  hslp, 
+             const char *attrlist, 
+             SLPError   errcode, 
+             void       *cookie)
+{
+  char         tmp[IPP_MAX_NAME];
+  printer_t    *p = (printer_t*)cookie;
+
+
+ /*
+  * Let the compiler know we won't be using these...
+  */
+
+  (void)hslp;
+
+ /*
+  * Bail if there was an error
+  */
+
+  if (errcode != SLP_OK)
+    return (SLP_TRUE);
+
+ /*
+  * Parse the attrlist to obtain things needed to build CUPS browse packet
+  */
+
+  memset(p, 0, sizeof(printer_t));
+
+  p->type = CUPS_PRINTER_REMOTE;
+
+  if (GetSlpAttrVal(attrlist, "(printer-location=", p->location,
+                    sizeof(p->location)))
+    return (SLP_FALSE);
+  if (GetSlpAttrVal(attrlist, "(printer-make-and-model=", p->make_model,
+                    sizeof(p->make_model)))
+    return (SLP_FALSE);
+
+  if (GetSlpAttrVal(attrlist, "(color-supported=", tmp, sizeof(tmp)))
+    return (SLP_FALSE);
+  if (strcasecmp(tmp, "true") == 0)
+    p->type |= CUPS_PRINTER_COLOR;
+
+  if (GetSlpAttrVal(attrlist, "(finishings-supported=", tmp, sizeof(tmp)))
+    return (SLP_FALSE);
+  if (strstr(tmp, "staple"))
+    p->type |= CUPS_PRINTER_STAPLE;
+  if (strstr(tmp, "bind"))
+    p->type |= CUPS_PRINTER_BIND;
+  if (strstr(tmp, "punch"))
+    p->type |= CUPS_PRINTER_PUNCH;
+
+  if (GetSlpAttrVal(attrlist, "(sides-supported=", tmp, sizeof(tmp)))
+    return (SLP_FALSE);
+  if (strstr(tmp,"two-sided"))
+    p->type |= CUPS_PRINTER_DUPLEX;
+
+  return (SLP_TRUE);
+}
+
+
+/*
+ * 'SrvUrlCallback()' - SLP service url callback
+ */
+
+SLPBoolean				/* O - TRUE = OK, FALSE = error */
+SrvUrlCallback(SLPHandle      hslp, 	/* I - SLP handle */
+               const char     *srvurl, 	/* I - URL of service */
+               unsigned short lifetime,	/* I - Life of service */
+               SLPError       errcode, 	/* I - Existing error code */
+               void           *cookie)	/* I - Pointer to service list */
+{
+  slpsrvurl_t	*s,			/* New service entry */
+		**head;			/* Pointer to head of entry */
+
+
+ /*
+  * Let the compiler know we won't be using these vars...
+  */
+
+  (void)hslp;
+  (void)lifetime;
+
+ /*
+  * Bail if there was an error
+  */
+
+  if (errcode != SLP_OK)
+    return (SLP_TRUE);
+
+ /*
+  * Grab the head of the list...
+  */
+
+  head = (slpsrvurl_t**)cookie;
+
+ /*
+  * Allocate a *temporary* slpsrvurl_t to hold this entry.
+  */
+
+  if ((s = (slpsrvurl_t *)calloc(1, sizeof(slpsrvurl_t))) == NULL)
+    return (SLP_FALSE);
+
+ /*
+  * Copy the SLP service URL...
+  */
+
+  strncpy(s->url, srvurl, sizeof(s->url));
+
+ /* 
+  * Link the SLP service URL into the head of the list
+  */
+
+  if (*head)
+    s->next = *head;
+
+  *head = s;
+
+  return (SLP_TRUE);
+}
+
+
+/*
+ * 'UpdateSLPBrowse()' - Get browsing information via SLP.
+ */
+
+void
+UpdateSLPBrowse(void)
+{
+  slpsrvurl_t	*s,			/* Temporary list of service URLs */
+		*next;			/* Next service in list */
+  printer_t	p;			/* Printer information */
+  const char	*uri;			/* Pointer to printer URI */
+  char		method[HTTP_MAX_URI],	/* Method portion of URI */
+		username[HTTP_MAX_URI],	/* Username portion of URI */
+		host[HTTP_MAX_URI],	/* Host portion of URI */
+		resource[HTTP_MAX_URI];	/* Resource portion of URI */
+  int		port;			/* Port portion of URI */
+
+
+  LogMessage(L_DEBUG, "UpdateSLPBrowse() Start...");
+
+ /*
+  * Reset the refresh time...
+  */
+
+  BrowseSLPRefresh = time(NULL) + BrowseTimeout - BrowseInterval;
+
+ /* 
+  * Poll for remote printers using SLP...
+  */
+
+  s = NULL;
+
+  SLPFindSrvs(BrowseSLPHandle, SLP_CUPS_SRVTYPE, "", "",
+	      SrvUrlCallback, &s);
+
+ /*
+  * Loop through the list of available printers...
+  */
+
+  for (; s; s = next)
+  {
+   /* 
+    * Load a printer_t structure with the SLP service attributes...
+    */
+
+    SLPFindAttrs(BrowseSLPHandle, s->url, "", "", AttrCallback, &p);
+
+   /*
+    * Process this printer entry...
+    */
+
+    uri = s->url + SLP_CUPS_SRVLEN + 1;
+
+    if (strncmp(uri, "http://", 7) == 0 ||
+        strncmp(uri, "ipp://", 6) == 0)
+    {
+     /*
+      * Pull the URI apart to see if this is a local or remote printer...
+      */
+
+      httpSeparate(uri, method, username, host, &port, resource);
+
+      if (strcasecmp(host, ServerName) == 0)
+	continue;
+
+     /*
+      * OK, at least an IPP printer, see if it is a CUPS printer or
+      * class...
+      */
+
+      if (strstr(uri, "/printers/") != NULL)
+        ProcessBrowseData(uri, p.type, IPP_PRINTER_IDLE, p.location,
+	                  p.info, p.make_model);
+      else if (strstr(uri, "/classes/") != NULL)
+        ProcessBrowseData(uri, p.type | CUPS_PRINTER_CLASS, IPP_PRINTER_IDLE,
+	                  p.location, p.info, p.make_model);
+    }
+
+   /*
+    * Save the "next" pointer and free this listing...
+    */
+
+    next = s->next;
+    free(s);
+  }       
+
+  LogMessage(L_DEBUG, "UpdateSLPBrowse() End...");
+}
+#endif /* HAVE_LIBSLP */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/dirsvc.h b/scheduler/dirsvc.h
new file mode 100644
index 000000000..c8714b198
--- /dev/null
+++ b/scheduler/dirsvc.h
@@ -0,0 +1,132 @@
+/*
+ * "$Id$"
+ *
+ *   Directory services definitions for the Common UNIX Printing System
+ *   (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#ifdef HAVE_LIBSLP
+#  include <slp.h>
+#endif /* HAVE_LIBSLP */
+
+
+/*
+ * Browse protocols...
+ */
+
+#define BROWSE_CUPS	1		/* CUPS */
+#define	BROWSE_SLP	2		/* SLPv2 */
+#define BROWSE_LDAP	4		/* LDAP (not supported yet) */
+#define BROWSE_ALL	7		/* All protocols */
+
+
+/*
+ * Relay structure...
+ */
+
+typedef struct
+{
+  authmask_t		from;		/* Source address/name mask */
+  struct sockaddr_in	to;		/* Destination address */
+} dirsvc_relay_t;
+
+
+/*
+ * Polling structure...
+ */
+
+typedef struct
+{
+  char			hostname[16];	/* Hostname (actually, IP address) */
+  int			port;		/* Port number */
+  int			pid;		/* Current poll server PID */
+} dirsvc_poll_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR int			Browsing	VALUE(TRUE),
+					/* Whether or not browsing is enabled */
+			BrowseProtocols	VALUE(BROWSE_ALL),
+					/* Protocols to support */
+			BrowseShortNames VALUE(TRUE),
+					/* Short names for remote printers? */
+			BrowseSocket	VALUE(-1),
+					/* Socket for browsing */
+			BrowsePort	VALUE(IPP_PORT),
+					/* Port number for broadcasts */
+			BrowseInterval	VALUE(DEFAULT_INTERVAL),
+					/* Broadcast interval in seconds */
+			BrowseTimeout	VALUE(DEFAULT_TIMEOUT),
+					/* Time out for printers in seconds */
+			NumBrowsers	VALUE(0);
+					/* Number of broadcast addresses */
+VAR struct sockaddr_in	Browsers[MAX_BROWSERS];
+					/* Broadcast addresses */
+VAR location_t		*BrowseACL	VALUE(NULL);
+					/* Browser access control list */
+VAR int			NumRelays	VALUE(0);
+					/* Number of broadcast relays */
+VAR dirsvc_relay_t	Relays[MAX_BROWSERS];
+					/* Broadcast relays */
+VAR int			NumPolled	VALUE(0);
+					/* Number of polled servers */
+VAR dirsvc_poll_t	Polled[MAX_BROWSERS];
+					/* Polled servers */
+VAR int			PollPipe	VALUE(0);
+					/* Status pipe for pollers */
+
+#ifdef HAVE_LIBSLP
+VAR SLPHandle		BrowseSLPHandle	VALUE(NULL);
+					/* SLP API handle */
+VAR time_t		BrowseSLPRefresh VALUE(0);
+					/* Next SLP refresh time */
+#endif /* HAVE_LIBSLP */
+
+
+/*
+ * Prototypes...
+ */
+
+extern void	ProcessBrowseData(const char *uri, cups_ptype_t type,
+		                  ipp_pstate_t state, const char *location,
+				  const char *info, const char *make_model);
+extern void	SendBrowseList(void);
+extern void	SendCUPSBrowse(printer_t *p);
+extern void	SendSLPBrowse(printer_t *p);
+extern void	StartBrowsing(void);
+extern void	StartPolling(void);
+extern void	StopBrowsing(void);
+extern void	StopPolling(void);
+extern void	UpdateCUPSBrowse(void);
+extern void	UpdatePolling(void);
+extern void	UpdateSLPBrowse(void);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/filter.c b/scheduler/filter.c
new file mode 100644
index 000000000..3efee0fbd
--- /dev/null
+++ b/scheduler/filter.c
@@ -0,0 +1,301 @@
+/*
+ * "$Id$"
+ *
+ *   File type conversion routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   mimeAddFilter() - Add a filter to the current MIME database.
+ *   mimeFilter()    - Find the fastest way to convert from one type to another.
+ *   compare()       - Compare two filter types...
+ *   lookup()        - Lookup a filter...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <cups/string.h>
+#include "mime.h"
+
+
+/*
+ * Local functions...
+ */
+
+static int		compare(mime_filter_t *, mime_filter_t *);
+static mime_filter_t	*lookup(mime_t *, mime_type_t *, mime_type_t *);
+
+
+/*
+ * 'mimeAddFilter()' - Add a filter to the current MIME database.
+ */
+
+mime_filter_t *				/* O - New filter */
+mimeAddFilter(mime_t      *mime,	/* I - MIME database */
+              mime_type_t *src,		/* I - Source type */
+	      mime_type_t *dst,		/* I - Destination type */
+              int         cost,		/* I - Relative time/resource cost */
+	      const char  *filter)	/* I - Filter program to run */
+{
+  mime_filter_t	*temp;			/* New filter */
+
+
+ /*
+  * Range-check the input...
+  */
+
+  if (mime == NULL || src == NULL || dst == NULL || filter == NULL)
+    return (NULL);
+
+  if (strlen(filter) > (MIME_MAX_FILTER - 1))
+    return (NULL);
+
+ /*
+  * See if we already have an existing filter for the given source and
+  * destination...
+  */
+
+  if ((temp = lookup(mime, src, dst)) != NULL)
+  {
+   /*
+    * Yup, does the existing filter have a higher cost?  If so, copy the
+    * filter and cost to the existing filter entry and return it...
+    */
+
+    if (temp->cost > cost)
+    {
+      temp->cost = cost;
+      strncpy(temp->filter, filter, sizeof(temp->filter) - 1);
+      temp->filter[sizeof(temp->filter) - 1] = '\0';
+    }
+  }
+  else
+  {
+   /*
+    * Nope, add a new one...
+    */
+
+    if (mime->num_filters == 0)
+      temp = malloc(sizeof(mime_filter_t));
+    else
+      temp = realloc(mime->filters, sizeof(mime_filter_t) * (mime->num_filters + 1));
+
+    if (temp == NULL)
+      return (NULL);
+
+    mime->filters = temp;
+    temp += mime->num_filters;
+    mime->num_filters ++;
+
+   /*
+    * Copy the information over and sort if necessary...
+    */
+
+    temp->src  = src;
+    temp->dst  = dst;
+    temp->cost = cost;
+    strncpy(temp->filter, filter, sizeof(temp->filter) - 1);
+    temp->filter[sizeof(temp->filter) - 1] = '\0';
+
+    if (mime->num_filters > 1)
+      qsort(mime->filters, mime->num_filters, sizeof(mime_filter_t),
+            (int (*)(const void *, const void *))compare);
+  }
+
+ /*
+  * Return the new/updated filter...
+  */
+
+  return (temp);
+}
+
+
+/*
+ * 'mimeFilter()' - Find the fastest way to convert from one type to another.
+ */
+
+mime_filter_t *				/* O - Array of filters to run */
+mimeFilter(mime_t      *mime,		/* I - MIME database */
+           mime_type_t *src,		/* I - Source file type */
+	   mime_type_t *dst,		/* I - Destination file type */
+           int         *num_filters)	/* O - Number of filters to run */
+{
+  int		i, j,			/* Looping vars */
+		num_temp,		/* Number of temporary filters */
+		num_mintemp,		/* Number of filters in the minimum */
+		cost,			/* Current cost */
+		mincost;		/* Current minimum */
+  mime_filter_t	*temp,			/* Temporary filter */
+		*mintemp,		/* Current minimum */
+		*mincurrent,		/* Current filter for minimum */
+		*current,		/* Current filter */
+		*filters;		/* Filters to use */
+
+
+ /*
+  * Range-check the input...
+  */
+
+  if (mime == NULL || src == NULL || dst == NULL || num_filters == NULL)
+    return (NULL);
+
+  *num_filters = 0;
+
+ /*
+  * See if there is a filter that can convert the files directly...
+  */
+
+  if ((temp = lookup(mime, src, dst)) != NULL)
+  {
+   /*
+    * Got a direct filter!
+    */
+
+    if ((filters = (mime_filter_t *)malloc(sizeof(mime_filter_t))) == NULL)
+      return (NULL);
+
+    memcpy(filters, temp, sizeof(mime_filter_t));
+    *num_filters = 1;
+    return (filters);
+  }
+
+ /*
+  * OK, now look for filters from the source type to any other type...
+  */
+
+  mincost     = 9999999;
+  mintemp     = NULL;
+  num_mintemp = 0;
+  mincurrent  = NULL;
+
+  for (i = mime->num_filters, current = mime->filters; i > 0; i --, current ++)
+    if (current->src == src)
+    {
+     /*
+      * See if we have any filters that can convert from the destination type
+      * of this filter to the final type...
+      */
+
+      if ((temp = mimeFilter(mime, current->dst, dst, &num_temp)) == NULL)
+        continue;
+
+     /*
+      * Found a match; see if this one is less costly than the last (if
+      * any...)
+      */
+
+      for (j = 0, cost = 0; j < num_temp; j ++)
+        cost += temp->cost;
+
+      if (cost < mincost)
+      {
+        if (mintemp != NULL)
+	  free(mintemp);
+
+	mincost     = cost;
+	mintemp     = temp;
+	num_mintemp = num_temp;
+	mincurrent  = current;
+      }
+      else
+        free(temp);
+    }
+
+  if (mintemp != NULL)
+  {
+   /*
+    * Hey, we got a match!  Add the current filter to the beginning of the
+    * filter list...
+    */
+
+    filters = (mime_filter_t *)realloc(mintemp, sizeof(mime_filter_t) *
+                                                (num_mintemp + 1));
+
+    if (filters == NULL)
+    {
+      *num_filters = 0;
+      return (NULL);
+    }
+
+    memmove(filters + 1, filters, num_mintemp * sizeof(mime_filter_t));
+    memcpy(filters, mincurrent, sizeof(mime_filter_t));
+
+    *num_filters = num_mintemp + 1;
+
+    return (filters);
+  }
+
+  return (NULL);
+}
+
+
+/*
+ * 'compare()' - Compare two filter types...
+ */
+
+static int			/* O - Comparison result */
+compare(mime_filter_t *f0,	/* I - First filter */
+        mime_filter_t *f1)	/* I - Second filter */
+{
+  int	i;			/* Result of comparison */
+
+
+  if ((i = strcmp(f0->src->super, f1->src->super)) == 0)
+    if ((i = strcmp(f0->src->type, f1->src->type)) == 0)
+      if ((i = strcmp(f0->dst->super, f1->dst->super)) == 0)
+        i = strcmp(f0->dst->type, f1->dst->type);
+
+  return (i);
+}
+
+
+/*
+ * 'lookup()' - Lookup a filter...
+ */
+
+static mime_filter_t *		/* O - Filter for src->dst */
+lookup(mime_t      *mime,	/* I - MIME database */
+       mime_type_t *src,	/* I - Source type */
+       mime_type_t *dst)	/* I - Destination type */
+{
+  mime_filter_t	key;		/* Key record for filter search */
+
+
+  if (mime->num_filters == 0)
+    return (NULL);
+
+  key.src = src;
+  key.dst = dst;
+
+  return ((mime_filter_t *)bsearch(&key, mime->filters, mime->num_filters,
+                                   sizeof(mime_filter_t),
+				   (int (*)(const void *, const void *))compare));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/ipp.c b/scheduler/ipp.c
new file mode 100644
index 000000000..4bf934293
--- /dev/null
+++ b/scheduler/ipp.c
@@ -0,0 +1,5643 @@
+/*
+ * "$Id$"
+ *
+ *   IPP routines for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   ProcessIPPRequest()         - Process an incoming IPP request...
+ *   accept_jobs()               - Accept print jobs to a printer.
+ *   add_class()                 - Add a class to the system.
+ *   add_file()                  - Add a file to a job.
+ *   add_job_state_reasons()     - Add the "job-state-reasons" attribute based
+ *                                 upon the job and printer state...
+ *   add_printer()               - Add a printer to the system.
+ *   add_printer_state_reasons() - Add the "printer-state-reasons" attribute
+ *                                 based upon the printer state...
+ *   add_queued_job_count()      - Add the "queued-job-count" attribute for
+ *   cancel_all_jobs()           - Cancel all print jobs.
+ *   cancel_job()                - Cancel a print job.
+ *   check_quotas()              - Check quotas for a printer and user.
+ *   copy_attribute()            - Copy a single attribute.
+ *   copy_attrs()                - Copy attributes from one request to another.
+ *   create_job()                - Print a file to a printer or class.
+ *   copy_banner()               - Copy a banner file to the requests directory
+ *                                 for the specified job.
+ *   copy_file()                 - Copy a PPD file or interface script...
+ *   delete_printer()            - Remove a printer or class from the system.
+ *   get_default()               - Get the default destination.
+ *   get_devices()               - Get the list of available devices on the
+ *                                 local system.
+ *   get_jobs()                  - Get a list of jobs for the specified printer.
+ *   get_job_attrs()             - Get job attributes.
+ *   get_ppds()                  - Get the list of PPD files on the local
+ *                                 system.
+ *   get_printer_attrs()         - Get printer attributes.
+ *   get_printers()              - Get a list of printers.
+ *   hold_job()                  - Hold a print job.
+ *   move_job()                  - Move a job to a new destination.
+ *   print_job()                 - Print a file to a printer or class.
+ *   reject_jobs()               - Reject print jobs to a printer.
+ *   release_job()               - Release a held print job.
+ *   restart_job()               - Restart an old print job.
+ *   send_document()             - Send a file to a printer or class.
+ *   send_ipp_error()            - Send an error status back to the IPP client.
+ *   set_default()               - Set the default destination...
+ *   set_job_attrs()             - Set job attributes.
+ *   start_printer()             - Start a printer.
+ *   stop_printer()              - Stop a printer.
+ *   validate_job()              - Validate printer options and destination.
+ *   validate_user()             - Validate the user for the request.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <pwd.h>
+#include <grp.h>
+#ifdef HAVE_LIBZ
+#  include <zlib.h>
+#endif /* HAVE_LIBZ */
+
+
+/*
+ * Local functions...
+ */
+
+static void	accept_jobs(client_t *con, ipp_attribute_t *uri);
+static void	add_class(client_t *con, ipp_attribute_t *uri);
+static int	add_file(client_t *con, job_t *job, mime_type_t *filetype);
+static void	add_job_state_reasons(client_t *con, job_t *job);
+static void	add_printer(client_t *con, ipp_attribute_t *uri);
+static void	add_printer_state_reasons(client_t *con, printer_t *p);
+static void	add_queued_job_count(client_t *con, printer_t *p);
+static void	cancel_all_jobs(client_t *con, ipp_attribute_t *uri);
+static void	cancel_job(client_t *con, ipp_attribute_t *uri);
+static int	check_quotas(client_t *con, printer_t *p);
+static void	copy_attribute(ipp_t *to, ipp_attribute_t *attr,
+		               int quickcopy);
+static void	copy_attrs(ipp_t *to, ipp_t *from, ipp_attribute_t *req,
+		           ipp_tag_t group);
+static int	copy_banner(client_t *con, job_t *job, const char *name);
+static int	copy_file(const char *from, const char *to);
+static void	create_job(client_t *con, ipp_attribute_t *uri);
+static void	delete_printer(client_t *con, ipp_attribute_t *uri);
+static void	get_default(client_t *con);
+static void	get_devices(client_t *con);
+static void	get_jobs(client_t *con, ipp_attribute_t *uri);
+static void	get_job_attrs(client_t *con, ipp_attribute_t *uri);
+static void	get_ppds(client_t *con);
+static void	get_printers(client_t *con, int type);
+static void	get_printer_attrs(client_t *con, ipp_attribute_t *uri);
+static void	hold_job(client_t *con, ipp_attribute_t *uri);
+static void	move_job(client_t *con, ipp_attribute_t *uri);
+static void	print_job(client_t *con, ipp_attribute_t *uri);
+static void	reject_jobs(client_t *con, ipp_attribute_t *uri);
+static void	release_job(client_t *con, ipp_attribute_t *uri);
+static void	restart_job(client_t *con, ipp_attribute_t *uri);
+static void	send_document(client_t *con, ipp_attribute_t *uri);
+static void	send_ipp_error(client_t *con, ipp_status_t status);
+static void	set_default(client_t *con, ipp_attribute_t *uri);
+static void	set_job_attrs(client_t *con, ipp_attribute_t *uri);
+static void	start_printer(client_t *con, ipp_attribute_t *uri);
+static void	stop_printer(client_t *con, ipp_attribute_t *uri);
+static void	validate_job(client_t *con, ipp_attribute_t *uri);
+static int	validate_user(client_t *con, const char *owner, char *username,
+		              int userlen);
+
+
+/*
+ * 'ProcessIPPRequest()' - Process an incoming IPP request...
+ */
+
+void
+ProcessIPPRequest(client_t *con)	/* I - Client connection */
+{
+  ipp_tag_t		group;		/* Current group tag */
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_attribute_t	*charset;	/* Character set attribute */
+  ipp_attribute_t	*language;	/* Language attribute */
+  ipp_attribute_t	*uri;		/* Printer URI attribute */
+  ipp_attribute_t	*username;	/* requesting-user-name attr */
+
+
+  LogMessage(L_DEBUG2, "ProcessIPPRequest(%p[%d]): operation_id = %04x",
+             con, con->http.fd, con->request->request.op.operation_id);
+
+ /*
+  * First build an empty response message for this request...
+  */
+
+  con->response = ippNew();
+
+  con->response->request.status.version[0] = con->request->request.op.version[0];
+  con->response->request.status.version[1] = con->request->request.op.version[1];
+  con->response->request.status.request_id = con->request->request.op.request_id;
+
+ /*
+  * Then validate the request header and required attributes...
+  */
+  
+  if (con->request->request.any.version[0] != 1)
+  {
+   /*
+    * Return an error, since we only support IPP 1.x.
+    */
+
+    LogMessage(L_ERROR, "ProcessIPPRequest: bad request version (%d.%d)!",
+               con->request->request.any.version[0],
+	       con->request->request.any.version[1]);
+
+    send_ipp_error(con, IPP_VERSION_NOT_SUPPORTED);
+  }  
+  else if (con->request->attrs == NULL)
+  {
+    LogMessage(L_ERROR, "ProcessIPPRequest: no attributes in request!");
+    send_ipp_error(con, IPP_BAD_REQUEST);
+  }
+  else
+  {
+   /*
+    * Make sure that the attributes are provided in the correct order and
+    * don't repeat groups...
+    */
+
+    for (attr = con->request->attrs, group = attr->group_tag;
+	 attr != NULL;
+	 attr = attr->next)
+      if (attr->group_tag < group)
+      {
+       /*
+	* Out of order; return an error...
+	*/
+
+	LogMessage(L_ERROR, "ProcessIPPRequest: attribute groups are out of order!");
+	send_ipp_error(con, IPP_BAD_REQUEST);
+	break;
+      }
+      else
+	group = attr->group_tag;
+
+    if (attr == NULL)
+    {
+     /*
+      * Then make sure that the first three attributes are:
+      *
+      *     attributes-charset
+      *     attributes-natural-language
+      *     printer-uri/job-uri
+      */
+
+      attr = con->request->attrs;
+      if (attr != NULL && strcmp(attr->name, "attributes-charset") == 0 &&
+	  attr->value_tag == IPP_TAG_CHARSET)
+	charset = attr;
+      else
+	charset = NULL;
+
+      if (attr)
+        attr = attr->next;
+      if (attr != NULL && strcmp(attr->name, "attributes-natural-language") == 0 &&
+	  attr->value_tag == IPP_TAG_LANGUAGE)
+	language = attr;
+      else
+	language = NULL;
+
+      if ((attr = ippFindAttribute(con->request, "printer-uri", IPP_TAG_URI)) != NULL)
+	uri = attr;
+      else if ((attr = ippFindAttribute(con->request, "job-uri", IPP_TAG_URI)) != NULL)
+	uri = attr;
+      else
+	uri = NULL;
+
+      if (charset)
+	ippAddString(con->response, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	     "attributes-charset", NULL, charset->values[0].string.text);
+      else
+	ippAddString(con->response, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	     "attributes-charset", NULL, DefaultCharset);
+
+      if (language)
+	ippAddString(con->response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                     "attributes-natural-language", NULL,
+		     language->values[0].string.text);
+      else
+	ippAddString(con->response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                     "attributes-natural-language", NULL, DefaultLanguage);
+
+      if (charset == NULL || language == NULL ||
+	  (uri == NULL &&
+	   con->request->request.op.operation_id != CUPS_GET_DEFAULT &&
+	   con->request->request.op.operation_id != CUPS_GET_PRINTERS &&
+	   con->request->request.op.operation_id != CUPS_GET_CLASSES &&
+	   con->request->request.op.operation_id != CUPS_GET_DEVICES &&
+	   con->request->request.op.operation_id != CUPS_GET_PPDS))
+      {
+       /*
+	* Return an error, since attributes-charset,
+	* attributes-natural-language, and printer-uri/job-uri are required
+	* for all operations.
+	*/
+
+        if (charset == NULL)
+	  LogMessage(L_ERROR, "ProcessIPPRequest: missing attributes-charset attribute!");
+
+        if (language == NULL)
+	  LogMessage(L_ERROR, "ProcessIPPRequest: missing attributes-natural-language attribute!");
+
+        if (uri == NULL)
+	  LogMessage(L_ERROR, "ProcessIPPRequest: missing printer-uri or job-uri attribute!");
+
+	LogMessage(L_DEBUG, "Request attributes follow...");
+
+	for (attr = con->request->attrs; attr != NULL; attr = attr->next)
+	  LogMessage(L_DEBUG, "attr \"%s\": group_tag = %x, value_tag = %x",
+	             attr->name ? attr->name : "(null)", attr->group_tag,
+		     attr->value_tag);
+
+	LogMessage(L_DEBUG, "End of attributes...");
+
+	send_ipp_error(con, IPP_BAD_REQUEST);
+      }
+      else
+      {
+       /*
+	* OK, all the checks pass so far; make sure requesting-user-name is
+	* not "root" from a remote host...
+	*/
+
+        if ((username = ippFindAttribute(con->request, "requesting-user-name", IPP_TAG_NAME)) != NULL)
+	{
+	 /*
+	  * Check for root user...
+	  */
+
+	  if (strcmp(username->values[0].string.text, "root") == 0 &&
+	      ntohl(con->http.hostaddr.sin_addr.s_addr) != 0x7f000001 &&
+	      strcmp(con->username, "root") != 0)
+	  {
+	   /*
+	    * Remote unauthenticated user masquerading as local root...
+	    */
+
+	    free(username->values[0].string.text);
+	    username->values[0].string.text = strdup(RemoteRoot);
+	  }
+	}
+
+       /*
+        * Then try processing the operation...
+	*/
+
+	switch (con->request->request.op.operation_id)
+	{
+	  case IPP_PRINT_JOB :
+              print_job(con, uri);
+              break;
+
+	  case IPP_VALIDATE_JOB :
+              validate_job(con, uri);
+              break;
+
+	  case IPP_CREATE_JOB :
+              create_job(con, uri);
+              break;
+
+	  case IPP_SEND_DOCUMENT :
+              send_document(con, uri);
+              break;
+
+	  case IPP_CANCEL_JOB :
+              cancel_job(con, uri);
+              break;
+
+	  case IPP_GET_JOB_ATTRIBUTES :
+              get_job_attrs(con, uri);
+              break;
+
+	  case IPP_GET_JOBS :
+              get_jobs(con, uri);
+              break;
+
+	  case IPP_GET_PRINTER_ATTRIBUTES :
+              get_printer_attrs(con, uri);
+              break;
+
+	  case IPP_HOLD_JOB :
+              hold_job(con, uri);
+              break;
+
+	  case IPP_RELEASE_JOB :
+              release_job(con, uri);
+              break;
+
+	  case IPP_RESTART_JOB :
+              restart_job(con, uri);
+              break;
+
+	  case IPP_PAUSE_PRINTER :
+              stop_printer(con, uri);
+	      break;
+
+	  case IPP_RESUME_PRINTER :
+              start_printer(con, uri);
+	      break;
+
+	  case IPP_PURGE_JOBS :
+              cancel_all_jobs(con, uri);
+              break;
+
+	  case IPP_SET_JOB_ATTRIBUTES :
+              set_job_attrs(con, uri);
+              break;
+
+	  case CUPS_GET_DEFAULT :
+              get_default(con);
+              break;
+
+	  case CUPS_GET_PRINTERS :
+              get_printers(con, 0);
+              break;
+
+	  case CUPS_GET_CLASSES :
+              get_printers(con, CUPS_PRINTER_CLASS);
+              break;
+
+	  case CUPS_ADD_PRINTER :
+              add_printer(con, uri);
+              break;
+
+	  case CUPS_DELETE_PRINTER :
+              delete_printer(con, uri);
+              break;
+
+	  case CUPS_ADD_CLASS :
+              add_class(con, uri);
+              break;
+
+	  case CUPS_DELETE_CLASS :
+              delete_printer(con, uri);
+              break;
+
+	  case CUPS_ACCEPT_JOBS :
+	  case IPP_ENABLE_PRINTER :
+              accept_jobs(con, uri);
+              break;
+
+	  case CUPS_REJECT_JOBS :
+	  case IPP_DISABLE_PRINTER :
+              reject_jobs(con, uri);
+              break;
+
+	  case CUPS_SET_DEFAULT :
+              set_default(con, uri);
+              break;
+
+	  case CUPS_GET_DEVICES :
+              get_devices(con);
+              break;
+
+	  case CUPS_GET_PPDS :
+              get_ppds(con);
+              break;
+
+	  case CUPS_MOVE_JOB :
+              move_job(con, uri);
+              break;
+
+	  default :
+              send_ipp_error(con, IPP_OPERATION_NOT_SUPPORTED);
+	}
+      }
+    }
+  }
+
+  SendHeader(con, HTTP_OK, "application/ipp");
+
+  con->http.data_encoding = HTTP_ENCODE_LENGTH;
+  con->http.data_remaining = ippLength(con->response);
+
+  httpPrintf(HTTP(con), "Content-Length: %d\r\n\r\n",
+             con->http.data_remaining);
+
+  FD_SET(con->http.fd, &OutputSet);
+}
+
+
+/*
+ * 'accept_jobs()' - Accept print jobs to a printer.
+ */
+
+static void
+accept_jobs(client_t        *con,	/* I - Client connection */
+            ipp_attribute_t *uri)	/* I - Printer or class URI */
+{
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  const char		*name;		/* Printer name */
+  printer_t		*printer;	/* Printer data */
+
+
+  LogMessage(L_DEBUG2, "accept_jobs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "accept_jobs: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((name = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "accept_jobs: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Accept jobs sent to the printer...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    printer = FindClass(name);
+  else
+    printer = FindPrinter(name);
+
+  printer->accepting        = 1;
+  printer->state_message[0] = '\0';
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    SaveAllClasses();
+  else
+    SaveAllPrinters();
+
+  LogMessage(L_INFO, "Printer \'%s\' now accepting jobs (\'%s\').", name,
+             con->username);
+
+ /*
+  * Everything was ok, so return OK status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'add_class()' - Add a class to the system.
+ */
+
+static void
+add_class(client_t        *con,		/* I - Client connection */
+          ipp_attribute_t *uri)		/* I - URI of class */
+{
+  int			i;		/* Looping var */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  printer_t		*pclass;	/* Class */
+  cups_ptype_t		dtype;		/* Destination type */
+  const char		*dest;		/* Printer or class name */
+  ipp_attribute_t	*attr;		/* Printer attribute */
+  int			modify;		/* Non-zero if we just modified */
+
+
+  LogMessage(L_DEBUG2, "add_class(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "add_class: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Do we have a valid URI?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if (strncmp(resource, "/classes/", 9) != 0 || strlen(resource) == 9)
+  {
+   /*
+    * No, return an error...
+    */
+
+    send_ipp_error(con, IPP_BAD_REQUEST);
+    return;
+  }
+
+ /*
+  * See if the class already exists; if not, create a new class...
+  */
+
+  if ((pclass = FindClass(resource + 9)) == NULL)
+  {
+   /*
+    * Class doesn't exist; see if we have a printer of the same name...
+    */
+
+    if ((pclass = FindPrinter(resource + 9)) != NULL &&
+        !(pclass->type & CUPS_PRINTER_REMOTE))
+    {
+     /*
+      * Yes, return an error...
+      */
+
+      send_ipp_error(con, IPP_NOT_POSSIBLE);
+      return;
+    }
+
+   /*
+    * No, add the pclass...
+    */
+
+    pclass = AddClass(resource + 9);
+    modify = 0;
+  }
+  else if (pclass->type & CUPS_PRINTER_IMPLICIT)
+  {
+   /*
+    * Rename the implicit class to "AnyClass" or remove it...
+    */
+
+    if (ImplicitAnyClasses)
+    {
+      snprintf(pclass->name, sizeof(pclass->name), "Any%s", resource + 9);
+      SortPrinters();
+    }
+    else
+      DeletePrinter(pclass);
+
+   /*
+    * Add the class as a new local class...
+    */
+
+    pclass = AddClass(resource + 9);
+    modify = 0;
+  }
+  else if (pclass->type & CUPS_PRINTER_REMOTE)
+  {
+   /*
+    * Rename the remote class to "Class"...
+    */
+
+    DeletePrinterFilters(pclass);
+    snprintf(pclass->name, sizeof(pclass->name), "%s@%s", resource + 9,
+             pclass->hostname);
+    SetPrinterAttrs(pclass);
+    SortPrinters();
+
+   /*
+    * Add the class as a new local class...
+    */
+
+    pclass = AddClass(resource + 9);
+    modify = 0;
+  }
+  else
+    modify = 1;
+
+ /*
+  * Look for attributes and copy them over as needed...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "printer-location", IPP_TAG_TEXT)) != NULL)
+  {
+    strncpy(pclass->location, attr->values[0].string.text, sizeof(pclass->location) - 1);
+    pclass->location[sizeof(pclass->location) - 1] = '\0';
+  }
+
+  if ((attr = ippFindAttribute(con->request, "printer-info", IPP_TAG_TEXT)) != NULL)
+  {
+    strncpy(pclass->info, attr->values[0].string.text, sizeof(pclass->info) - 1);
+    pclass->info[sizeof(pclass->info) - 1] = '\0';
+  }
+
+  if ((attr = ippFindAttribute(con->request, "printer-is-accepting-jobs", IPP_TAG_BOOLEAN)) != NULL)
+  {
+    LogMessage(L_INFO, "Setting %s printer-is-accepting-jobs to %d (was %d.)",
+               pclass->name, attr->values[0].boolean, pclass->accepting);
+
+    pclass->accepting = attr->values[0].boolean;
+  }
+  if ((attr = ippFindAttribute(con->request, "printer-state", IPP_TAG_ENUM)) != NULL)
+  {
+    LogMessage(L_INFO, "Setting %s printer-state to %d (was %d.)", pclass->name,
+               attr->values[0].integer, pclass->state);
+
+    if (pclass->state == IPP_PRINTER_STOPPED &&
+        attr->values[0].integer != IPP_PRINTER_STOPPED)
+      pclass->state = IPP_PRINTER_IDLE;
+    else if (pclass->state != IPP_PRINTER_STOPPED &&
+             attr->values[0].integer == IPP_PRINTER_STOPPED)
+    {
+      if (pclass->state == IPP_PRINTER_PROCESSING)
+        StopJob(((job_t *)pclass->job)->id, 0);
+
+      pclass->state = IPP_PRINTER_STOPPED;
+    }
+
+    pclass->browse_time = 0;
+  }
+  if ((attr = ippFindAttribute(con->request, "printer-state-message", IPP_TAG_TEXT)) != NULL)
+  {
+    strncpy(pclass->state_message, attr->values[0].string.text,
+            sizeof(pclass->state_message) - 1);
+    pclass->state_message[sizeof(pclass->state_message) - 1] = '\0';
+  }
+  if ((attr = ippFindAttribute(con->request, "job-sheets-default", IPP_TAG_ZERO)) != NULL &&
+      !Classification[0])
+  {
+    strncpy(pclass->job_sheets[0], attr->values[0].string.text,
+            sizeof(pclass->job_sheets[0]) - 1);
+    if (attr->num_values > 1)
+      strncpy(pclass->job_sheets[1], attr->values[1].string.text,
+              sizeof(pclass->job_sheets[1]) - 1);
+    else
+      strcpy(pclass->job_sheets[1], "none");
+  }
+  if ((attr = ippFindAttribute(con->request, "requesting-user-name-allowed",
+                               IPP_TAG_ZERO)) != NULL)
+  {
+    FreePrinterUsers(pclass);
+
+    pclass->deny_users = 0;
+    if (attr->value_tag == IPP_TAG_NAME &&
+        (attr->num_values > 1 ||
+	 strcmp(attr->values[0].string.text, "all") != 0))
+      for (i = 0; i < attr->num_values; i ++)
+	AddPrinterUser(pclass, attr->values[i].string.text);
+  }
+  else if ((attr = ippFindAttribute(con->request, "requesting-user-name-denied",
+                                    IPP_TAG_ZERO)) != NULL)
+  {
+    FreePrinterUsers(pclass);
+
+    pclass->deny_users = 1;
+    if (attr->value_tag == IPP_TAG_NAME &&
+        (attr->num_values > 1 ||
+	 strcmp(attr->values[0].string.text, "none") != 0))
+      for (i = 0; i < attr->num_values; i ++)
+	AddPrinterUser(pclass, attr->values[i].string.text);
+  }
+  if ((attr = ippFindAttribute(con->request, "job-quota-period",
+                               IPP_TAG_INTEGER)) != NULL)
+  {
+    FreeQuotas(pclass);
+    pclass->quota_period = attr->values[0].integer;
+  }
+  if ((attr = ippFindAttribute(con->request, "job-k-limit",
+                               IPP_TAG_INTEGER)) != NULL)
+  {
+    FreeQuotas(pclass);
+    pclass->k_limit = attr->values[0].integer;
+  }
+  if ((attr = ippFindAttribute(con->request, "job-page-limit",
+                               IPP_TAG_INTEGER)) != NULL)
+  {
+    FreeQuotas(pclass);
+    pclass->page_limit = attr->values[0].integer;
+  }
+
+  if ((attr = ippFindAttribute(con->request, "member-uris", IPP_TAG_URI)) != NULL)
+  {
+   /*
+    * Clear the printer array as needed...
+    */
+
+    if (pclass->num_printers > 0)
+    {
+      free(pclass->printers);
+      pclass->num_printers = 0;
+    }
+
+   /*
+    * Add each printer or class that is listed...
+    */
+
+    for (i = 0; i < attr->num_values; i ++)
+    {
+     /*
+      * Search for the printer or class URI...
+      */
+
+      httpSeparate(attr->values[i].string.text, method, username, host,
+                   &port, resource);
+
+      if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+      {
+       /*
+	* Bad URI...
+	*/
+
+        LogMessage(L_ERROR, "add_class: resource name \'%s\' no good!", resource);
+	send_ipp_error(con, IPP_NOT_FOUND);
+	return;
+      }
+
+     /*
+      * Add it to the class...
+      */
+
+      if (dtype == CUPS_PRINTER_CLASS)
+      {
+        AddPrinterToClass(pclass, FindClass(dest));
+
+	LogMessage(L_DEBUG, "add_class: Added class \"%s\" to class \"%s\"...",
+	           dest, pclass->name);
+      }
+      else
+      {
+        AddPrinterToClass(pclass, FindPrinter(dest));
+
+	LogMessage(L_DEBUG, "add_class: Added printer \"%s\" to class \"%s\"...",
+	           dest, pclass->name);
+      }
+    }
+  }
+
+ /*
+  * Update the printer class attributes and return...
+  */
+
+  SetPrinterAttrs(pclass);
+  SaveAllClasses();
+  CheckJobs();
+
+  if (modify)
+    LogMessage(L_INFO, "Class \'%s\' modified by \'%s\'.", pclass->name,
+               con->username);
+  else
+    LogMessage(L_INFO, "New class \'%s\' added by \'%s\'.", pclass->name,
+               con->username);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'add_file()' - Add a file to a job.
+ */
+
+static int				/* O - 0 on success, -1 on error */
+add_file(client_t    *con,		/* I - Connection to client */
+         job_t       *job,		/* I - Job to add to */
+         mime_type_t *filetype)		/* I - Type of file */
+{
+  mime_type_t	**filetypes;		/* New filetypes array... */
+
+
+  LogMessage(L_DEBUG2, "add_file(%p[%d], %d, %s/%s)\n", con, con->http.fd,
+             job->id, filetype->super, filetype->type);
+
+ /*
+  * Add the file to the job...
+  */
+
+  if (job->num_files == 0)
+    filetypes = (mime_type_t **)malloc(sizeof(mime_type_t *));
+  else
+    filetypes = (mime_type_t **)realloc(job->filetypes,
+                                       (job->num_files + 1) *
+				       sizeof(mime_type_t));
+
+  if (filetypes == NULL)
+  {
+    CancelJob(job->id, 1);
+    LogMessage(L_ERROR, "add_file: unable to allocate memory for file types!");
+    send_ipp_error(con, IPP_INTERNAL_ERROR);
+    return (-1);
+  }
+
+  job->filetypes                 = filetypes;
+  job->filetypes[job->num_files] = filetype;
+
+  job->num_files ++;
+
+  return (0);
+}
+
+
+/*
+ * 'add_job_state_reasons()' - Add the "job-state-reasons" attribute based
+ *                             upon the job and printer state...
+ */
+
+static void
+add_job_state_reasons(client_t *con,	/* I - Client connection */
+                      job_t    *job)	/* I - Job info */
+{
+  printer_t	*dest;			/* Destination printer */
+
+
+  LogMessage(L_DEBUG2, "add_job_state_reasons(%p[%d], %d)\n", con, con->http.fd,
+             job->id);
+
+  switch (job->state->values[0].integer)
+  {
+    case IPP_JOB_PENDING :
+        if (job->dtype & CUPS_PRINTER_CLASS)
+	  dest = FindClass(job->dest);
+	else
+	  dest = FindPrinter(job->dest);
+
+        if (dest != NULL && dest->state == IPP_PRINTER_STOPPED)
+          ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	               "job-state-reasons", NULL, "printer-stopped");
+        else
+          ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	               "job-state-reasons", NULL, "none");
+        break;
+
+    case IPP_JOB_HELD :
+        if (ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD) != NULL ||
+	    ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME) != NULL)
+          ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	               "job-state-reasons", NULL, "job-hold-until-specified");
+        else
+          ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	               "job-state-reasons", NULL, "job-incoming");
+        break;
+
+    case IPP_JOB_PROCESSING :
+        ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	             "job-state-reasons", NULL, "job-printing");
+        break;
+
+    case IPP_JOB_STOPPED :
+        ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	             "job-state-reasons", NULL, "job-stopped");
+        break;
+
+    case IPP_JOB_CANCELLED :
+        ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	             "job-state-reasons", NULL, "job-canceled-by-user");
+        break;
+
+    case IPP_JOB_ABORTED :
+        ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	             "job-state-reasons", NULL, "aborted-by-system");
+        break;
+
+    case IPP_JOB_COMPLETED :
+        ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+	             "job-state-reasons", NULL, "job-completed-successfully");
+        break;
+  }
+}
+
+
+/*
+ * 'add_printer()' - Add a printer to the system.
+ */
+
+static void
+add_printer(client_t        *con,	/* I - Client connection */
+            ipp_attribute_t *uri)	/* I - URI of printer */
+{
+  int			i;		/* Looping var */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  printer_t		*printer;	/* Printer/class */
+  ipp_attribute_t	*attr;		/* Printer attribute */
+#ifdef HAVE_LIBZ
+  gzFile		fp;		/* Script/PPD file */
+#else
+  FILE			*fp;		/* Script/PPD file */
+#endif /* HAVE_LIBZ */
+  char			line[1024];	/* Line from file... */
+  char			srcfile[1024],	/* Source Script/PPD file */
+			dstfile[1024];	/* Destination Script/PPD file */
+  int			modify;		/* Non-zero if we are modifying */
+
+
+  LogMessage(L_DEBUG2, "add_printer(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "add_printer: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Do we have a valid URI?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if (strncmp(resource, "/printers/", 10) != 0 || strlen(resource) == 10)
+  {
+   /*
+    * No, return an error...
+    */
+
+    send_ipp_error(con, IPP_BAD_REQUEST);
+    return;
+  }
+
+ /*
+  * See if the printer already exists; if not, create a new printer...
+  */
+
+  if ((printer = FindPrinter(resource + 10)) == NULL)
+  {
+   /*
+    * Printer doesn't exist; see if we have a class of the same name...
+    */
+
+    if ((printer = FindClass(resource + 10)) != NULL &&
+        !(printer->type & CUPS_PRINTER_REMOTE))
+    {
+     /*
+      * Yes, return an error...
+      */
+
+      send_ipp_error(con, IPP_NOT_POSSIBLE);
+      return;
+    }
+
+   /*
+    * No, add the printer...
+    */
+
+    printer = AddPrinter(resource + 10);
+    modify  = 0;
+  }
+  else if (printer->type & CUPS_PRINTER_IMPLICIT)
+  {
+   /*
+    * Rename the implicit printer to "AnyPrinter" or delete it...
+    */
+
+    if (ImplicitAnyClasses)
+    {
+      snprintf(printer->name, sizeof(printer->name), "Any%s", resource + 10);
+      SortPrinters();
+    }
+    else
+      DeletePrinter(printer);
+
+   /*
+    * Add the printer as a new local printer...
+    */
+
+    printer = AddPrinter(resource + 10);
+    modify  = 0;
+  }
+  else if (printer->type & CUPS_PRINTER_REMOTE)
+  {
+   /*
+    * Rename the remote printer to "Printer@server"...
+    */
+
+    DeletePrinterFilters(printer);
+    snprintf(printer->name, sizeof(printer->name), "%s@%s", resource + 10,
+             printer->hostname);
+    SetPrinterAttrs(printer);
+    SortPrinters();
+
+   /*
+    * Add the printer as a new local printer...
+    */
+
+    printer = AddPrinter(resource + 10);
+    modify  = 0;
+  }
+  else
+    modify = 1;
+
+ /*
+  * Look for attributes and copy them over as needed...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "printer-location", IPP_TAG_TEXT)) != NULL)
+  {
+    strncpy(printer->location, attr->values[0].string.text, sizeof(printer->location) - 1);
+    printer->location[sizeof(printer->location) - 1] = '\0';
+  }
+
+  if ((attr = ippFindAttribute(con->request, "printer-info", IPP_TAG_TEXT)) != NULL)
+  {
+    strncpy(printer->info, attr->values[0].string.text, sizeof(printer->info) - 1);
+    printer->info[sizeof(printer->info) - 1] = '\0';
+  }
+
+  if ((attr = ippFindAttribute(con->request, "device-uri", IPP_TAG_URI)) != NULL)
+  {
+    ipp_attribute_t	*device;	/* Current device */
+    int			methodlen;	/* Length of method string */
+
+
+   /*
+    * Do we have a valid device URI?
+    */
+
+    httpSeparate(attr->values[0].string.text, method, username, host,
+                 &port, resource);
+    methodlen = strlen(method);
+
+    if (strcmp(method, "file") != 0)
+    {
+     /*
+      * See if the backend is listed as a device...
+      */
+
+      for (device = ippFindAttribute(Devices, "device-uri", IPP_TAG_URI);
+           device != NULL;
+	   device = ippFindNextAttribute(Devices, "device-uri", IPP_TAG_URI))
+        if (strncmp(method, device->values[0].string.text, methodlen) == 0 &&
+	    (device->values[0].string.text[methodlen] == ':' ||
+	     device->values[0].string.text[methodlen] == '\0'))
+	  break;
+
+      if (device == NULL)
+      {
+       /*
+        * Could not find device in list!
+	*/
+
+	LogMessage(L_ERROR, "add_printer: bad device-uri attribute \'%s\'!",
+        	   attr->values[0].string.text);
+	send_ipp_error(con, IPP_NOT_POSSIBLE);
+	return;
+      }
+    }
+
+    LogMessage(L_INFO, "Setting %s device-uri to \"%s\" (was \"%s\".)",
+               printer->name, attr->values[0].string.text, printer->device_uri);
+
+    strncpy(printer->device_uri, attr->values[0].string.text,
+            sizeof(printer->device_uri) - 1);
+    printer->device_uri[sizeof(printer->device_uri) - 1] = '\0';
+  }
+
+  if ((attr = ippFindAttribute(con->request, "printer-is-accepting-jobs", IPP_TAG_BOOLEAN)) != NULL)
+  {
+    LogMessage(L_INFO, "Setting %s printer-is-accepting-jobs to %d (was %d.)",
+               printer->name, attr->values[0].boolean, printer->accepting);
+
+    printer->accepting = attr->values[0].boolean;
+  }
+  if ((attr = ippFindAttribute(con->request, "printer-state", IPP_TAG_ENUM)) != NULL)
+  {
+    LogMessage(L_INFO, "Setting %s printer-state to %d (was %d.)", printer->name,
+               attr->values[0].integer, printer->state);
+
+    if (printer->state == IPP_PRINTER_STOPPED &&
+        attr->values[0].integer != IPP_PRINTER_STOPPED)
+      printer->state = IPP_PRINTER_IDLE;
+    else if (printer->state != IPP_PRINTER_STOPPED &&
+             attr->values[0].integer == IPP_PRINTER_STOPPED)
+    {
+      if (printer->state == IPP_PRINTER_PROCESSING)
+        StopJob(((job_t *)printer->job)->id, 0);
+
+      printer->state = IPP_PRINTER_STOPPED;
+    }
+
+    printer->browse_time = 0;
+  }
+  if ((attr = ippFindAttribute(con->request, "printer-state-message", IPP_TAG_TEXT)) != NULL)
+  {
+    strncpy(printer->state_message, attr->values[0].string.text,
+            sizeof(printer->state_message) - 1);
+    printer->state_message[sizeof(printer->state_message) - 1] = '\0';
+  }
+  if ((attr = ippFindAttribute(con->request, "job-sheets-default", IPP_TAG_ZERO)) != NULL &&
+      !Classification[0])
+  {
+    strncpy(printer->job_sheets[0], attr->values[0].string.text,
+            sizeof(printer->job_sheets[0]) - 1);
+    if (attr->num_values > 1)
+      strncpy(printer->job_sheets[1], attr->values[1].string.text,
+              sizeof(printer->job_sheets[1]) - 1);
+    else
+      strcpy(printer->job_sheets[1], "none");
+  }
+  if ((attr = ippFindAttribute(con->request, "requesting-user-name-allowed",
+                               IPP_TAG_ZERO)) != NULL)
+  {
+    FreePrinterUsers(printer);
+
+    printer->deny_users = 0;
+    if (attr->value_tag == IPP_TAG_NAME &&
+        (attr->num_values > 1 ||
+	 strcmp(attr->values[0].string.text, "all") != 0))
+      for (i = 0; i < attr->num_values; i ++)
+	AddPrinterUser(printer, attr->values[i].string.text);
+  }
+  else if ((attr = ippFindAttribute(con->request, "requesting-user-name-denied",
+                                    IPP_TAG_ZERO)) != NULL)
+  {
+    FreePrinterUsers(printer);
+
+    printer->deny_users = 1;
+    if (attr->value_tag == IPP_TAG_NAME &&
+        (attr->num_values > 1 ||
+	 strcmp(attr->values[0].string.text, "none") != 0))
+      for (i = 0; i < attr->num_values; i ++)
+	AddPrinterUser(printer, attr->values[i].string.text);
+  }
+  if ((attr = ippFindAttribute(con->request, "job-quota-period",
+                               IPP_TAG_INTEGER)) != NULL)
+  {
+    FreeQuotas(printer);
+    printer->quota_period = attr->values[0].integer;
+  }
+  if ((attr = ippFindAttribute(con->request, "job-k-limit",
+                               IPP_TAG_INTEGER)) != NULL)
+  {
+    FreeQuotas(printer);
+    printer->k_limit = attr->values[0].integer;
+  }
+  if ((attr = ippFindAttribute(con->request, "job-page-limit",
+                               IPP_TAG_INTEGER)) != NULL)
+  {
+    FreeQuotas(printer);
+    printer->page_limit = attr->values[0].integer;
+  }
+
+ /*
+  * See if we have all required attributes...
+  */
+
+  if (printer->device_uri[0] == '\0')
+    strcpy(printer->device_uri, "file:/dev/null");
+
+ /*
+  * See if we have an interface script or PPD file attached to the request...
+  */
+
+  if (con->filename[0])
+  {
+    strncpy(srcfile, con->filename, sizeof(srcfile) - 1);
+    srcfile[sizeof(srcfile) - 1] = '\0';
+  }
+  else if ((attr = ippFindAttribute(con->request, "ppd-name", IPP_TAG_NAME)) != NULL)
+  {
+    if (strcmp(attr->values[0].string.text, "raw") == 0)
+      strcpy(srcfile, "raw");
+    else
+      snprintf(srcfile, sizeof(srcfile), "%s/model/%s", DataDir,
+               attr->values[0].string.text);
+  }
+  else
+    srcfile[0] = '\0';
+
+  LogMessage(L_DEBUG, "add_printer: srcfile = \"%s\"", srcfile);
+
+  if (strcmp(srcfile, "raw") == 0)
+  {
+   /*
+    * Raw driver, remove any existing PPD or interface script files.
+    */
+
+    snprintf(dstfile, sizeof(dstfile), "%s/interfaces/%s", ServerRoot,
+             printer->name);
+    unlink(dstfile);
+
+    snprintf(dstfile, sizeof(dstfile), "%s/ppd/%s.ppd", ServerRoot,
+             printer->name);
+    unlink(dstfile);
+  }
+#ifdef HAVE_LIBZ
+  else if (srcfile[0] && (fp = gzopen(srcfile, "rb")) != NULL)
+#else
+  else if (srcfile[0] && (fp = fopen(srcfile, "rb")) != NULL)
+#endif /* HAVE_LIBZ */
+  {
+   /*
+    * Yes; get the first line from it...
+    */
+
+    line[0] = '\0';
+#ifdef HAVE_LIBZ
+    gzgets(fp, line, sizeof(line));
+    gzclose(fp);
+#else
+    fgets(line, sizeof(line), fp);
+    fclose(fp);
+#endif /* HAVE_LIBZ */
+
+   /*
+    * Then see what kind of file it is...
+    */
+
+    snprintf(dstfile, sizeof(dstfile), "%s/interfaces/%s", ServerRoot,
+             printer->name);
+
+    if (strncmp(line, "*PPD-Adobe", 10) == 0)
+    {
+     /*
+      * The new file is a PPD file, so remove any old interface script
+      * that might be lying around...
+      */
+
+      unlink(dstfile);
+    }
+    else
+    {
+     /*
+      * This must be an interface script, so move the file over to the
+      * interfaces directory and make it executable...
+      */
+
+      if (copy_file(srcfile, dstfile))
+      {
+        LogMessage(L_ERROR, "add_printer: Unable to copy interface script from %s to %s - %s!",
+	           srcfile, dstfile, strerror(errno));
+        send_ipp_error(con, IPP_INTERNAL_ERROR);
+	return;
+      }
+      else
+      {
+        LogMessage(L_DEBUG, "add_printer: Copied interface script successfully!");
+        chmod(dstfile, 0755);
+      }
+    }
+
+    snprintf(dstfile, sizeof(dstfile), "%s/ppd/%s.ppd", ServerRoot,
+             printer->name);
+
+    if (strncmp(line, "*PPD-Adobe", 10) == 0)
+    {
+     /*
+      * The new file is a PPD file, so move the file over to the
+      * ppd directory and make it readable by all...
+      */
+
+      if (copy_file(srcfile, dstfile))
+      {
+        LogMessage(L_ERROR, "add_printer: Unable to copy PPD file from %s to %s - %s!",
+	           srcfile, dstfile, strerror(errno));
+        send_ipp_error(con, IPP_INTERNAL_ERROR);
+	return;
+      }
+      else
+      {
+        LogMessage(L_DEBUG, "add_printer: Copied PPD file successfully!");
+        chmod(dstfile, 0644);
+      }
+    }
+    else
+    {
+     /*
+      * This must be an interface script, so remove any old PPD file that
+      * may be lying around...
+      */
+
+      unlink(dstfile);
+    }
+  }
+
+ /*
+  * Make this printer the default if there is none...
+  */
+
+  if (DefaultPrinter == NULL)
+    DefaultPrinter = printer;
+
+ /*
+  * Update the printer attributes and return...
+  */
+
+  SetPrinterAttrs(printer);
+  SaveAllPrinters();
+
+  if (printer->job != NULL)
+  {
+   /*
+    * Stop the current job and then restart it below...
+    */
+
+    StopJob(((job_t *)printer->job)->id, 0);
+  }
+
+  CheckJobs();
+
+  if (modify)
+    LogMessage(L_INFO, "Printer \'%s\' modified by \'%s\'.", printer->name,
+               con->username);
+  else
+    LogMessage(L_INFO, "New printer \'%s\' added by \'%s\'.", printer->name,
+               con->username);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'add_printer_state_reasons()' - Add the "printer-state-reasons" attribute
+ *                                 based upon the printer state...
+ */
+
+static void
+add_printer_state_reasons(client_t  *con,	/* I - Client connection */
+                          printer_t *p)		/* I - Printer info */
+{
+  LogMessage(L_DEBUG2, "add_printer_state_reasons(%p[%d], %p[%s])\n",
+             con, con->http.fd, p, p->name);
+
+  switch (p->state)
+  {
+    case IPP_PRINTER_STOPPED :
+        ippAddString(con->response, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+	             "printer-state-reasons", NULL, "paused");
+        break;
+
+    default :
+        ippAddString(con->response, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+	             "printer-state-reasons", NULL, "none");
+        break;
+  }
+}
+
+
+/*
+ * 'add_queued_job_count()' - Add the "queued-job-count" attribute for
+ *                            the specified printer or class.
+ */
+
+static void
+add_queued_job_count(client_t  *con,	/* I - Client connection */
+                     printer_t *p)	/* I - Printer or class */
+{
+  int		count;			/* Number of jobs on destination */
+
+
+  LogMessage(L_DEBUG2, "add_queued_job_count(%p[%d], %p[%s])\n",
+             con, con->http.fd, p, p->name);
+
+  count = GetPrinterJobCount(p->name);
+
+  ippAddInteger(con->response, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "queued-job-count", count);
+}
+
+
+/*
+ * 'cancel_all_jobs()' - Cancel all print jobs.
+ */
+
+static void
+cancel_all_jobs(client_t        *con,	/* I - Client connection */
+	        ipp_attribute_t *uri)	/* I - Job or Printer URI */
+{
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  printer_t		*printer;	/* Current printer */
+
+
+  LogMessage(L_DEBUG2, "cancel_all_jobs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "cancel_all_jobs: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * See if we have a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") != 0)
+  {
+    LogMessage(L_ERROR, "cancel_all_jobs: bad %s attribute \'%s\'!",
+               uri->name, uri->values[0].string.text);
+    send_ipp_error(con, IPP_BAD_REQUEST);
+    return;
+  }
+
+ /*
+  * And if the destination is valid...
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port,
+               resource);
+
+  if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI?
+    */
+
+    if (strcmp(resource, "/printers/") != 0)
+    {
+      LogMessage(L_ERROR, "cancel_all_jobs: resource name \'%s\' no good!", resource);
+      send_ipp_error(con, IPP_NOT_FOUND);
+      return;
+    }
+
+   /*
+    * Cancel all jobs on all printers...
+    */
+
+    for (printer = Printers; printer; printer = printer->next)
+    {
+      CancelJobs(printer->name);
+      LogMessage(L_INFO, "All jobs on \'%s\' were cancelled by \'%s\'.",
+                 printer->name, con->username);
+    }
+  }
+  else
+  {
+   /*
+    * Cancel all of the jobs on the named printer...
+    */
+
+    CancelJobs(dest);
+    LogMessage(L_INFO, "All jobs on \'%s\' were cancelled by \'%s\'.", dest,
+               con->username);
+  }
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'cancel_job()' - Cancel a print job.
+ */
+
+static void
+cancel_job(client_t        *con,	/* I - Client connection */
+	   ipp_attribute_t *uri)	/* I - Job or Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  int			jobid;		/* Job ID */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  job_t			*job;		/* Job information */
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  printer_t		*printer;	/* Printer data */
+
+
+  LogMessage(L_DEBUG2, "cancel_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/jobs/", 5) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "cancel_job: cancel request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "cancel_job: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    if ((jobid = attr->values[0].integer) == 0)
+    {
+     /*
+      * Find the current job on the specified printer...
+      */
+
+      httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+      if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+      {
+       /*
+	* Bad URI...
+	*/
+
+	LogMessage(L_ERROR, "cancel_job: resource name \'%s\' no good!", resource);
+	send_ipp_error(con, IPP_NOT_FOUND);
+	return;
+      }
+
+      if (dtype & CUPS_PRINTER_CLASS)
+        printer = FindClass(dest);
+      else
+        printer = FindPrinter(dest);
+
+     /*
+      * See if the printer is currently printing a job...
+      */
+
+      if (printer->job)
+        jobid = ((job_t *)printer->job)->id;
+      else
+      {
+       /*
+        * No, see if there are any pending jobs...
+	*/
+
+        for (job = Jobs; job != NULL; job = job->next)
+	  if (job->state->values[0].integer <= IPP_JOB_PROCESSING &&
+	      strcasecmp(job->dest, dest) == 0)
+	    break;
+
+	if (job != NULL)
+	  jobid = job->id;
+	else
+	{
+	  LogMessage(L_ERROR, "cancel_job: No active jobs on %s!", dest);
+	  send_ipp_error(con, IPP_NOT_POSSIBLE);
+	  return;
+	}
+      }
+    }
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "cancel_job: bad job-uri attribute \'%s\'!",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "cancel_job: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "cancel_job: \"%s\" not authorized to delete job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+ /*
+  * See if the job is already completed, cancelled, or aborted; if so,
+  * we can't cancel...
+  */
+
+  if (job->state->values[0].integer >= IPP_JOB_CANCELLED)
+  {
+    LogMessage(L_ERROR, "cancel_job: job id %d is %s - can't cancel!",
+               jobid,
+	       job->state->values[0].integer == IPP_JOB_CANCELLED ? "cancelled" :
+	       job->state->values[0].integer == IPP_JOB_ABORTED ? "aborted" :
+	       "completed");
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * Cancel the job and return...
+  */
+
+  CancelJob(jobid, 0);
+  CheckJobs();
+
+  LogMessage(L_INFO, "Job %d was cancelled by \'%s\'.", jobid, username);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'check_quotas()' - Check quotas for a printer and user.
+ */
+
+static int			/* O - 1 if OK, 0 if not */
+check_quotas(client_t  *con,	/* I - Client connection */
+             printer_t *p)	/* I - Printer or class */
+{
+  int		i;		/* Looping var */
+  ipp_attribute_t *attr;	/* Current attribute */
+  char		username[33];	/* Username */
+  quota_t	*q;		/* Quota data */
+
+
+  LogMessage(L_DEBUG2, "check_quotas(%p[%d], %p[%s])\n",
+             con, con->http.fd, p, p->name);
+
+ /*
+  * Check input...
+  */
+
+  if (con == NULL || p == NULL)
+    return (0);
+
+ /*
+  * Figure out who is printing...
+  */
+
+  attr = ippFindAttribute(con->request, "requesting-user-name", IPP_TAG_NAME);
+
+  if (con->username[0])
+  {
+    strncpy(username, con->username, sizeof(username) - 1);
+    username[sizeof(username) - 1] = '\0';
+  }
+  else if (attr != NULL)
+  {
+    LogMessage(L_DEBUG, "check_quotas: requesting-user-name = \'%s\'",
+               attr->values[0].string.text);
+
+    strncpy(username, attr->values[0].string.text, sizeof(username) - 1);
+    username[sizeof(username) - 1] = '\0';
+  }
+  else
+    strcpy(username, "anonymous");
+
+ /*
+  * Check global active job limits for printers and users...
+  */
+
+  if (MaxJobsPerPrinter)
+  {
+   /*
+    * Check if there are too many pending jobs on this printer...
+    */
+
+    if (GetPrinterJobCount(p->name) >= MaxJobsPerPrinter)
+    {
+      LogMessage(L_INFO, "Too many jobs for printer \"%s\"...", p->name);
+      return (0);
+    }
+  }
+
+  if (MaxJobsPerUser)
+  {
+   /*
+    * Check if there are too many pending jobs for this user...
+    */
+
+    if (GetUserJobCount(username) >= MaxJobsPerUser)
+    {
+      LogMessage(L_INFO, "Too many jobs for user \"%s\"...", username);
+      return (0);
+    }
+  }
+
+ /*
+  * Check against users...
+  */
+
+  if (p->num_users == 0 && p->k_limit == 0 && p->page_limit == 0)
+    return (1);
+
+  if (p->num_users)
+  {
+    for (i = 0; i < p->num_users; i ++)
+      if (strcasecmp(username, p->users[i]) == 0)
+	break;
+
+    if ((i < p->num_users) == p->deny_users)
+    {
+      LogMessage(L_INFO, "Denying user \"%s\" access to printer \"%s\"...",
+        	 username, p->name);
+      return (0);
+    }
+  }
+
+ /*
+  * Check quotas...
+  */
+
+  if (p->k_limit || p->page_limit)
+  {
+    if ((q = UpdateQuota(p, username, 0, 0)) == NULL)
+    {
+      LogMessage(L_ERROR, "Unable to allocate quota data for user \"%s\"!",
+                 username);
+      return (0);
+    }
+
+    if ((q->k_count >= p->k_limit && p->k_limit) ||
+        (q->page_count >= p->page_limit && p->page_limit))
+    {
+      LogMessage(L_INFO, "User \"%s\" is over the quota limit...",
+                 username);
+      return (0);
+    }
+  }
+
+ /*
+  * If we have gotten this far, we're done!
+  */
+
+  return (1);
+}
+
+
+/*
+ * 'copy_attribute()' - Copy a single attribute.
+ */
+
+static void
+copy_attribute(ipp_t           *to,	/* O - Destination request/response */
+               ipp_attribute_t *attr,	/* I - Attribute to copy */
+               int             quickcopy)/* I - Do a quick copy? */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*toattr;	/* Destination attribute */
+
+
+  LogMessage(L_DEBUG2, "copy_attribute(%p, %p[%s,%x,%x])\n", to, attr,
+             attr->name ? attr->name : "(null)", attr->group_tag,
+	     attr->value_tag);
+
+  switch (attr->value_tag & ~IPP_TAG_COPY)
+  {
+    case IPP_TAG_ZERO :
+        ippAddSeparator(to);
+	break;
+
+    case IPP_TAG_INTEGER :
+    case IPP_TAG_ENUM :
+        toattr = ippAddIntegers(to, attr->group_tag, attr->value_tag,
+	                        attr->name, attr->num_values, NULL);
+
+        for (i = 0; i < attr->num_values; i ++)
+	  toattr->values[i].integer = attr->values[i].integer;
+        break;
+
+    case IPP_TAG_BOOLEAN :
+        toattr = ippAddBooleans(to, attr->group_tag, attr->name,
+	                        attr->num_values, NULL);
+
+        for (i = 0; i < attr->num_values; i ++)
+	  toattr->values[i].boolean = attr->values[i].boolean;
+        break;
+
+    case IPP_TAG_STRING :
+    case IPP_TAG_TEXT :
+    case IPP_TAG_NAME :
+    case IPP_TAG_KEYWORD :
+    case IPP_TAG_URI :
+    case IPP_TAG_URISCHEME :
+    case IPP_TAG_CHARSET :
+    case IPP_TAG_LANGUAGE :
+    case IPP_TAG_MIMETYPE :
+        toattr = ippAddStrings(to, attr->group_tag,
+	                       (ipp_tag_t)(attr->value_tag | quickcopy),
+	                       attr->name, attr->num_values, NULL, NULL);
+
+        if (quickcopy)
+	{
+          for (i = 0; i < attr->num_values; i ++)
+	    toattr->values[i].string.text = attr->values[i].string.text;
+        }
+	else
+	{
+          for (i = 0; i < attr->num_values; i ++)
+	    toattr->values[i].string.text = strdup(attr->values[i].string.text);
+	}
+        break;
+
+    case IPP_TAG_DATE :
+        toattr = ippAddDate(to, attr->group_tag, attr->name,
+	                    attr->values[0].date);
+        break;
+
+    case IPP_TAG_RESOLUTION :
+        toattr = ippAddResolutions(to, attr->group_tag, attr->name,
+	                           attr->num_values, IPP_RES_PER_INCH,
+				   NULL, NULL);
+
+        for (i = 0; i < attr->num_values; i ++)
+	{
+	  toattr->values[i].resolution.xres  = attr->values[i].resolution.xres;
+	  toattr->values[i].resolution.yres  = attr->values[i].resolution.yres;
+	  toattr->values[i].resolution.units = attr->values[i].resolution.units;
+	}
+        break;
+
+    case IPP_TAG_RANGE :
+        toattr = ippAddRanges(to, attr->group_tag, attr->name,
+	                      attr->num_values, NULL, NULL);
+
+        for (i = 0; i < attr->num_values; i ++)
+	{
+	  toattr->values[i].range.lower = attr->values[i].range.lower;
+	  toattr->values[i].range.upper = attr->values[i].range.upper;
+	}
+        break;
+
+    case IPP_TAG_TEXTLANG :
+    case IPP_TAG_NAMELANG :
+        toattr = ippAddStrings(to, attr->group_tag,
+	                       (ipp_tag_t)(attr->value_tag | quickcopy),
+	                       attr->name, attr->num_values, NULL, NULL);
+
+        if (quickcopy)
+	{
+          for (i = 0; i < attr->num_values; i ++)
+	  {
+            toattr->values[i].string.charset = attr->values[i].string.charset;
+	    toattr->values[i].string.text    = attr->values[i].string.text;
+          }
+        }
+	else
+	{
+          for (i = 0; i < attr->num_values; i ++)
+	  {
+	    if (!i)
+              toattr->values[i].string.charset =
+	          strdup(attr->values[i].string.charset);
+	    else
+              toattr->values[i].string.charset =
+	          toattr->values[0].string.charset;
+
+	    toattr->values[i].string.text = strdup(attr->values[i].string.text);
+          }
+        }
+        break;
+
+     default :
+        toattr = ippAddIntegers(to, attr->group_tag, attr->value_tag,
+	                        attr->name, attr->num_values, NULL);
+
+        for (i = 0; i < attr->num_values; i ++)
+	{
+	  toattr->values[i].unknown.length = attr->values[i].unknown.length;
+
+	  if (toattr->values[i].unknown.length > 0)
+	  {
+	    if ((toattr->values[i].unknown.data = malloc(toattr->values[i].unknown.length)) == NULL)
+	      toattr->values[i].unknown.length = 0;
+	    else
+	      memcpy(toattr->values[i].unknown.data,
+		     attr->values[i].unknown.data,
+		     toattr->values[i].unknown.length);
+	  }
+	}
+        break; /* anti-compiler-warning-code */
+  }
+}
+
+
+/*
+ * 'copy_attrs()' - Copy attributes from one request to another.
+ */
+
+static void
+copy_attrs(ipp_t           *to,		/* I - Destination request */
+           ipp_t           *from,	/* I - Source request */
+           ipp_attribute_t *req,	/* I - Requested attributes */
+	   ipp_tag_t       group)	/* I - Group to copy */
+{
+  int			i;		/* Looping var */
+  ipp_attribute_t	*fromattr;	/* Source attribute */
+
+
+  LogMessage(L_DEBUG2, "copy_attrs(%p, %p, %p, %x)\n", to, from, req, group);
+
+  if (to == NULL || from == NULL)
+    return;
+
+  if (req != NULL && strcmp(req->values[0].string.text, "all") == 0)
+    req = NULL;				/* "all" means no filter... */
+
+  for (fromattr = from->attrs; fromattr != NULL; fromattr = fromattr->next)
+  {
+   /*
+    * Filter attributes as needed...
+    */
+
+    if (group != IPP_TAG_ZERO && fromattr->group_tag != group &&
+        fromattr->group_tag != IPP_TAG_ZERO)
+      continue;
+
+    if (req != NULL && fromattr->name != NULL)
+    {
+      for (i = 0; i < req->num_values; i ++)
+        if (strcmp(fromattr->name, req->values[i].string.text) == 0)
+	  break;
+
+      if (i == req->num_values)
+        continue;
+    }
+
+    copy_attribute(to, fromattr, IPP_TAG_COPY);
+  }
+}
+
+
+/*
+ * 'create_job()' - Print a file to a printer or class.
+ */
+
+static void
+create_job(client_t        *con,	/* I - Client connection */
+	   ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  int			priority;	/* Job priority */
+  char			*title;		/* Job name/title */
+  job_t			*job;		/* Current job */
+  char			job_uri[HTTP_MAX_URI],
+					/* Job URI */
+			printer_uri[HTTP_MAX_URI],
+					/* Printer URI */
+			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  printer_t		*printer;	/* Printer data */
+  int			kbytes;		/* Size of print file */
+
+
+  LogMessage(L_DEBUG2, "create_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "create_job: cancel request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "create_job: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the printer is accepting jobs...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+  {
+    printer = FindClass(dest);
+    snprintf(printer_uri, sizeof(printer_uri), "http://%s:%d/classes/%s",
+             ServerName, ntohs(con->http.hostaddr.sin_port), dest);
+  }
+  else
+  {
+    printer = FindPrinter(dest);
+
+    snprintf(printer_uri, sizeof(printer_uri), "http://%s:%d/printers/%s",
+             ServerName, ntohs(con->http.hostaddr.sin_port), dest);
+  }
+
+  if (!printer->accepting)
+  {
+    LogMessage(L_INFO, "create_job: destination \'%s\' is not accepting jobs.",
+               dest);
+    send_ipp_error(con, IPP_NOT_ACCEPTING);
+    return;
+  }
+
+ /*
+  * Make sure we aren't over our limit...
+  */
+
+  if (NumJobs >= MaxJobs && MaxJobs)
+    CleanJobs();
+
+  if (NumJobs >= MaxJobs && MaxJobs)
+  {
+    LogMessage(L_INFO, "create_job: too many jobs.");
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+  if (!check_quotas(con, printer))
+  {
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * Create the job and set things up...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "job-priority", IPP_TAG_INTEGER)) != NULL)
+    priority = attr->values[0].integer;
+  else
+    ippAddInteger(con->request, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-priority",
+                  priority = 50);
+
+  if ((attr = ippFindAttribute(con->request, "job-name", IPP_TAG_NAME)) != NULL)
+    title = attr->values[0].string.text;
+  else
+    ippAddString(con->request, IPP_TAG_JOB, IPP_TAG_NAME, "job-name", NULL,
+                 title = "Untitled");
+
+  if ((job = AddJob(priority, printer->name)) == NULL)
+  {
+    LogMessage(L_ERROR, "create_job: unable to add job for destination \'%s\'!",
+               dest);
+    send_ipp_error(con, IPP_INTERNAL_ERROR);
+    return;
+  }
+
+  job->dtype   = dtype;
+  job->attrs   = con->request;
+  con->request = NULL;
+
+  strncpy(job->title, title, sizeof(job->title) - 1);
+
+  attr = ippFindAttribute(job->attrs, "requesting-user-name", IPP_TAG_NAME);
+
+  if (con->username[0])
+  {
+    strncpy(job->username, con->username, sizeof(job->username) - 1);
+    job->username[sizeof(job->username) - 1] = '\0';
+  }
+  else if (attr != NULL)
+  {
+    LogMessage(L_DEBUG, "create_job: requesting-user-name = \'%s\'",
+               attr->values[0].string.text);
+
+    strncpy(job->username, attr->values[0].string.text,
+            sizeof(job->username) - 1);
+    job->username[sizeof(job->username) - 1] = '\0';
+  }
+  else
+    strcpy(job->username, "anonymous");
+
+  if (attr == NULL)
+    ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, "job-originating-user-name",
+                 NULL, job->username);
+  else
+  {
+    attr->group_tag = IPP_TAG_JOB;
+    free(attr->name);
+    attr->name = strdup("job-originating-user-name");
+  }
+
+  ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, 
+               "job-originating-host-name", NULL, con->http.hostname);
+  ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER, "time-at-creation",
+                time(NULL));
+  attr = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                       "time-at-processing", 0);
+  attr->value_tag = IPP_TAG_NOVALUE;
+  attr = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                       "time-at-completed", 0);
+  attr->value_tag = IPP_TAG_NOVALUE;
+
+ /*
+  * Add remaining job attributes...
+  */
+
+  ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-id", job->id);
+  job->state = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_ENUM,
+                             "job-state", IPP_JOB_STOPPED);
+  job->sheets = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                              "job-media-sheets-completed", 0);
+  ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_URI, "job-printer-uri", NULL,
+               printer_uri);
+  ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, "job-name", NULL,
+               title);
+
+  if ((attr = ippFindAttribute(job->attrs, "job-k-octets", IPP_TAG_INTEGER)) != NULL)
+    attr->values[0].integer = 0;
+  else
+    attr = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                         "job-k-octets", 0);
+
+  if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+    attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+  if (attr == NULL)
+    attr = ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+                        "job-hold-until", NULL, "no-hold");
+  if (attr != NULL && strcmp(attr->values[0].string.text, "no-hold") != 0 &&
+      !(printer->type & CUPS_PRINTER_REMOTE))
+  {
+   /*
+    * Hold job until specified time...
+    */
+
+    SetJobHoldUntil(job->id, attr->values[0].string.text);
+  }
+  else
+    job->hold_until = time(NULL) + 60;
+
+  job->state->values[0].integer = IPP_JOB_HELD;
+
+  if (!(printer->type & CUPS_PRINTER_REMOTE) || Classification[0])
+  {
+   /*
+    * Add job sheets options...
+    */
+
+    if ((attr = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_ZERO)) == NULL)
+    {
+      LogMessage(L_DEBUG, "Adding default job-sheets values \"%s,%s\"...",
+                 printer->job_sheets[0], printer->job_sheets[1]);
+
+      attr = ippAddStrings(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, "job-sheets",
+                           2, NULL, NULL);
+      attr->values[0].string.text = strdup(printer->job_sheets[0]);
+      attr->values[1].string.text = strdup(printer->job_sheets[1]);
+    }
+
+    job->job_sheets = attr;
+
+   /*
+    * Enforce classification level if set...
+    */
+
+    if (Classification[0])
+    {
+      if (ClassifyOverride)
+      {
+        if (strcmp(attr->values[0].string.text, "none") == 0 &&
+	    (attr->num_values == 1 ||
+	     strcmp(attr->values[1].string.text, "none") == 0))
+        {
+	 /*
+          * Force the leading banner to have the classification on it...
+	  */
+
+          free(attr->values[0].string.text);
+	  attr->values[0].string.text = strdup(Classification);
+	}
+	else if (attr->num_values == 2 &&
+	         strcmp(attr->values[0].string.text, attr->values[1].string.text) != 0 &&
+		 strcmp(attr->values[0].string.text, "none") != 0 &&
+		 strcmp(attr->values[1].string.text, "none") != 0)
+        {
+	 /*
+	  * Can't put two different security markings on the same document!
+	  */
+
+          free(attr->values[1].string.text);
+	  attr->values[1].string.text = strdup(attr->values[0].string.text);
+	}
+      }
+      else if (strcmp(attr->values[0].string.text, Classification) != 0 &&
+               (attr->num_values == 1 ||
+	       strcmp(attr->values[1].string.text, Classification) != 0))
+      {
+       /*
+        * Force the leading banner to have the classification on it...
+	*/
+
+        free(attr->values[0].string.text);
+	attr->values[0].string.text = strdup(Classification);
+      }
+    }
+
+   /*
+    * See if we need to add the starting sheet...
+    */
+
+    if (!(printer->type & CUPS_PRINTER_REMOTE))
+    {
+      kbytes = copy_banner(con, job, attr->values[0].string.text);
+
+      UpdateQuota(printer, job->username, 0, kbytes);
+    }
+  }
+  else if ((attr = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_ZERO)) != NULL)
+    job->sheets = attr;
+
+ /*
+  * Save and log the job...
+  */
+   
+  SaveJob(job->id);
+
+  LogMessage(L_INFO, "Job %d created on \'%s\' by \'%s\'.", job->id,
+             job->dest, job->username);
+
+ /*
+  * Fill in the response info...
+  */
+
+  snprintf(job_uri, sizeof(job_uri), "http://%s:%d/jobs/%d", ServerName,
+	   ntohs(con->http.hostaddr.sin_port), job->id);
+  ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI, "job-uri", NULL, job_uri);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-id", job->id);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_ENUM, "job-state",
+                job->state->values[0].integer);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'copy_banner()' - Copy a banner file to the requests directory for the
+ *                   specified job.
+ */
+
+static int			/* O - Size of banner file in kbytes */
+copy_banner(client_t   *con,	/* I - Client connection */
+            job_t      *job,	/* I - Job information */
+            const char *name)	/* I - Name of banner */
+{
+  int		i;		/* Looping var */
+  int		kbytes;		/* Size of banner file in kbytes */
+  char		filename[1024];	/* Job filename */
+  banner_t	*banner;	/* Pointer to banner */
+  FILE		*in;		/* Input file */
+  FILE		*out;		/* Output file */
+  int		ch;		/* Character from file */
+  char		attrname[255],	/* Name of attribute */
+		*s;		/* Pointer into name */
+  ipp_attribute_t *attr;	/* Attribute */
+
+
+  LogMessage(L_DEBUG2, "copy_banner(%p[%d], %p[%d], %s)",
+             con, con->http.fd, job, job->id, name ? name : "(null)");
+
+ /*
+  * Find the banner; return if not found or "none"...
+  */
+
+  if (name == NULL ||
+      strcmp(name, "none") == 0 ||
+      (banner = FindBanner(name)) == NULL)
+    return (0);
+
+ /*
+  * Open the banner and job files...
+  */
+
+  if (add_file(con, job, banner->filetype))
+    return (0);
+
+  snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot, job->id,
+           job->num_files);
+  if ((out = fopen(filename, "w")) == NULL)
+  {
+    LogMessage(L_ERROR, "copy_banner: Unable to create banner job file %s - %s",
+               filename, strerror(errno));
+    job->num_files --;
+    return (0);
+  }
+
+  fchmod(fileno(out), 0640);
+  fchown(fileno(out), User, Group);
+
+  if (con->language)
+  {
+   /*
+    * Try the localized banner file under the subdirectory...
+    */
+
+    snprintf(filename, sizeof(filename), "%s/banners/%s/%s", DataDir,
+             con->language->language, name);
+
+    if (access(filename, 0) && con->language->language[2])
+    {
+     /*
+      * Wasn't able to find "ll_CC" locale file; try the non-national
+      * localization banner directory.
+      */
+
+      attrname[0] = con->language->language[0];
+      attrname[1] = con->language->language[1];
+      attrname[2] = '\0';
+
+      snprintf(filename, sizeof(filename), "%s/banners/%s/%s", DataDir,
+               attrname, name);
+    }
+
+    if (access(filename, 0))
+    {
+     /*
+      * Use the non-localized banner file.
+      */
+
+      snprintf(filename, sizeof(filename), "%s/banners/%s", DataDir, name);
+    }
+  }
+  else
+  {
+   /*
+    * Use the non-localized banner file.
+    */
+
+    snprintf(filename, sizeof(filename), "%s/banners/%s", DataDir, name);
+  }
+
+  if ((in = fopen(filename, "r")) == NULL)
+  {
+    fclose(out);
+    unlink(filename);
+    LogMessage(L_ERROR, "copy_banner: Unable to open banner template file %s - %s",
+               filename, strerror(errno));
+    job->num_files --;
+    return (0);
+  }
+
+ /*
+  * Parse the file to the end...
+  */
+
+  while ((ch = getc(in)) != EOF)
+    if (ch == '{')
+    {
+     /*
+      * Get an attribute name...
+      */
+
+      for (s = attrname; (ch = getc(in)) != EOF;)
+        if (!isalpha(ch) && ch != '-' && ch != '?')
+          break;
+	else if (s < (attrname + sizeof(attrname) - 1))
+          *s++ = ch;
+	else
+	  break;
+
+      *s = '\0';
+
+      if (ch != '}')
+      {
+       /*
+        * Ignore { followed by stuff that is not an attribute name...
+	*/
+
+        putc('{', out);
+	fputs(attrname, out);
+	putc(ch, out);
+	continue;
+      }
+
+     /*
+      * See if it is defined...
+      */
+
+      if (attrname[0] == '?')
+        s = attrname + 1;
+      else
+        s = attrname;
+
+      if (strcmp(s, "printer-name") == 0)
+      {
+        fputs(job->dest, out);
+	continue;
+      }
+      else if ((attr = ippFindAttribute(job->attrs, s, IPP_TAG_ZERO)) == NULL)
+      {
+       /*
+        * See if we have a leading question mark...
+	*/
+
+	if (attrname[0] != '?')
+	{
+	 /*
+          * Nope, write to file as-is; probably a PostScript procedure...
+	  */
+
+	  putc('{', out);
+	  fputs(attrname, out);
+	  putc('}', out);
+        }
+
+        continue;
+      }
+
+     /*
+      * Output value(s)...
+      */
+
+      for (i = 0; i < attr->num_values; i ++)
+      {
+	if (i)
+	  putc(',', out);
+
+	switch (attr->value_tag)
+	{
+	  case IPP_TAG_INTEGER :
+	  case IPP_TAG_ENUM :
+	      if (strncmp(attrname, "time-at-", 8) == 0)
+	        fputs(GetDateTime(attr->values[i].integer), out);
+	      else
+	        fprintf(out, "%d", attr->values[i].integer);
+	      break;
+
+	  case IPP_TAG_BOOLEAN :
+	      fprintf(out, "%d", attr->values[i].boolean);
+	      break;
+
+	  case IPP_TAG_NOVALUE :
+	      fputs("novalue", out);
+	      break;
+
+	  case IPP_TAG_RANGE :
+	      fprintf(out, "%d-%d", attr->values[i].range.lower,
+		      attr->values[i].range.upper);
+	      break;
+
+	  case IPP_TAG_RESOLUTION :
+	      fprintf(out, "%dx%d%s", attr->values[i].resolution.xres,
+		      attr->values[i].resolution.yres,
+		      attr->values[i].resolution.units == IPP_RES_PER_INCH ?
+			  "dpi" : "dpc");
+	      break;
+
+	  case IPP_TAG_URI :
+          case IPP_TAG_STRING :
+	  case IPP_TAG_TEXT :
+	  case IPP_TAG_NAME :
+	  case IPP_TAG_KEYWORD :
+	  case IPP_TAG_CHARSET :
+	  case IPP_TAG_LANGUAGE :
+	      if (strcasecmp(banner->filetype->type, "postscript") == 0)
+	      {
+	       /*
+	        * Need to quote strings for PS banners...
+		*/
+
+	        const char *p;
+
+		for (p = attr->values[i].string.text; *p; p ++)
+		{
+		  if (*p == '(' || *p == ')' || *p == '\\')
+		  {
+		    putc('\\', out);
+		    putc(*p, out);
+		  }
+		  else if (*p < 32 || *p > 126)
+		    fprintf(out, "\\%03o", *p);
+		  else
+		    putc(*p, out);
+		}
+	      }
+	      else
+		fputs(attr->values[i].string.text, out);
+	      break;
+
+          default :
+	      break; /* anti-compiler-warning-code */
+	}
+      }
+    }
+    else if (ch == '\\')	/* Quoted char */
+      putc(getc(in), out);
+    else
+      putc(ch, out);
+
+  fclose(in);
+
+  kbytes = (ftell(out) + 1023) / 1024;
+
+  if ((attr = ippFindAttribute(job->attrs, "job-k-octets", IPP_TAG_INTEGER)) != NULL)
+    attr->values[0].integer += kbytes;
+
+  fclose(out);
+
+  return (kbytes);
+}
+
+
+/*
+ * 'copy_file()' - Copy a PPD file or interface script...
+ */
+
+static int				/* O - 0 = success, -1 = error */
+copy_file(const char *from,		/* I - Source file */
+          const char *to)		/* I - Destination file */
+{
+#ifdef HAVE_LIBZ
+  gzFile	src;			/* Source file */
+#else
+  int		src;			/* Source file */
+#endif /* HAVE_LIBZ */
+  int		dst,			/* Destination file */
+		bytes;			/* Bytes to read/write */
+  char		buffer[8192];		/* Copy buffer */
+
+
+  LogMessage(L_DEBUG2, "copy_file(\"%s\", \"%s\")\n", from, to);
+
+#ifdef HAVE_LIBZ
+  if ((src = gzopen(from, "rb")) == NULL)
+    return (-1);
+#else
+  if ((src = open(from, O_RDONLY)) < 0)
+    return (-1);
+#endif /* HAVE_LIBZ */
+
+  if ((dst = open(to, O_WRONLY | O_CREAT | O_TRUNC, 0644)) < 0)
+  {
+#ifdef HAVE_LIBZ
+    gzclose(src);
+#else
+    close(src);
+#endif /* HAVE_LIBZ */
+    return (-1);
+  }
+
+#ifdef HAVE_LIBZ
+  while ((bytes = gzread(src, buffer, sizeof(buffer))) > 0)
+#else
+  while ((bytes = read(src, buffer, sizeof(buffer))) > 0)
+#endif /* HAVE_LIBZ */
+    if (write(dst, buffer, bytes) < bytes)
+    {
+#ifdef HAVE_LIBZ
+      gzclose(src);
+#else
+      close(src);
+#endif /* HAVE_LIBZ */
+      close(dst);
+      return (-1);
+    }
+
+#ifdef HAVE_LIBZ
+  gzclose(src);
+#else
+  close(src);
+#endif /* HAVE_LIBZ */
+  close(dst);
+
+  return (0);
+}
+
+
+/*
+ * 'delete_printer()' - Remove a printer or class from the system.
+ */
+
+static void
+delete_printer(client_t        *con,	/* I - Client connection */
+               ipp_attribute_t *uri)	/* I - URI of printer or class */
+{
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  printer_t		*printer;	/* Printer/class */
+  char			filename[1024];	/* Script/PPD filename */
+
+
+  LogMessage(L_DEBUG2, "delete_printer(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "delete_printer: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Do we have a valid URI?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "delete_printer: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Find the printer or class and delete it...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    printer = FindClass(dest);
+  else
+    printer = FindPrinter(dest);
+
+ /*
+  * Remove old jobs...
+  */
+
+  CancelJobs(dest);
+
+ /*
+  * Remove any old PPD or script files...
+  */
+
+  snprintf(filename, sizeof(filename), "%s/interfaces/%s", ServerRoot, dest);
+  unlink(filename);
+
+  snprintf(filename, sizeof(filename), "%s/ppd/%s.ppd", ServerRoot, dest);
+  unlink(filename);
+
+  if (dtype == CUPS_PRINTER_CLASS)
+  {
+    LogMessage(L_INFO, "Class \'%s\' deleted by \'%s\'.", dest,
+               con->username);
+
+    DeletePrinter(printer);
+    SaveAllClasses();
+  }
+  else
+  {
+    LogMessage(L_INFO, "Printer \'%s\' deleted by \'%s\'.", dest,
+               con->username);
+
+    DeletePrinter(printer);
+    SaveAllPrinters();
+  }
+
+ /*
+  * Return with no errors...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'get_default()' - Get the default destination.
+ */
+
+static void
+get_default(client_t *con)		/* I - Client connection */
+{
+  LogMessage(L_DEBUG2, "get_default(%p[%d])\n", con, con->http.fd);
+
+  if (DefaultPrinter != NULL)
+  {
+    copy_attrs(con->response, DefaultPrinter->attrs,
+               ippFindAttribute(con->request, "requested-attributes",
+	                	IPP_TAG_KEYWORD), IPP_TAG_ZERO);
+
+    con->response->request.status.status_code = IPP_OK;
+  }
+  else
+    con->response->request.status.status_code = IPP_NOT_FOUND;
+}
+
+
+/*
+ * 'get_devices()' - Get the list of available devices on the local system.
+ */
+
+static void
+get_devices(client_t *con)		/* I - Client connection */
+{
+  LogMessage(L_DEBUG2, "get_devices(%p[%d])\n", con, con->http.fd);
+
+ /*
+  * Copy the device attributes to the response using the requested-attributes
+  * attribute that may be provided by the client.
+  */
+
+  copy_attrs(con->response, Devices,
+             ippFindAttribute(con->request, "requested-attributes",
+	                      IPP_TAG_KEYWORD), IPP_TAG_ZERO);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'get_jobs()' - Get a list of jobs for the specified printer.
+ */
+
+static void
+get_jobs(client_t        *con,		/* I - Client connection */
+	 ipp_attribute_t *uri)		/* I - Printer URI */
+{
+  ipp_attribute_t	*attr,		/* Current attribute */
+			*requested;	/* Requested attributes */
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  cups_ptype_t		dmask;		/* Destination type mask */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  int			completed;	/* Completed jobs? */
+  int			limit;		/* Maximum number of jobs to return */
+  int			count;		/* Number of jobs that match */
+  job_t			*job;		/* Current job pointer */
+  char			job_uri[HTTP_MAX_URI];
+					/* Job URI... */
+
+
+  LogMessage(L_DEBUG2, "get_jobs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if (strcmp(resource, "/") == 0 ||
+      (strncmp(resource, "/jobs", 5) == 0 && strlen(resource) <= 6))
+  {
+    dest  = NULL;
+    dtype = (cups_ptype_t)0;
+    dmask = (cups_ptype_t)0;
+  }
+  else if (strncmp(resource, "/printers", 9) == 0 && strlen(resource) <= 10)
+  {
+    dest  = NULL;
+    dtype = (cups_ptype_t)0;
+    dmask = CUPS_PRINTER_CLASS;
+  }
+  else if (strncmp(resource, "/classes", 8) == 0 && strlen(resource) <= 9)
+  {
+    dest  = NULL;
+    dtype = CUPS_PRINTER_CLASS;
+    dmask = CUPS_PRINTER_CLASS;
+  }
+  else if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "get_jobs: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+  else
+    dmask = CUPS_PRINTER_CLASS;
+
+ /*
+  * See if the "which-jobs" attribute have been specified; if so, return
+  * right away if they specify "completed" - we don't keep old job records...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "which-jobs", IPP_TAG_KEYWORD)) != NULL &&
+      strcmp(attr->values[0].string.text, "completed") == 0)
+    completed = 1;
+  else
+    completed = 0;
+
+ /*
+  * See if they want to limit the number of jobs reported...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "limit", IPP_TAG_INTEGER)) != NULL)
+    limit = attr->values[0].integer;
+  else
+    limit = 1000000;
+
+ /*
+  * See if we only want to see jobs for a specific user...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "my-jobs", IPP_TAG_BOOLEAN)) != NULL &&
+      attr->values[0].boolean)
+  {
+    if (con->username[0])
+    {
+      strncpy(username, con->username, sizeof(username) - 1);
+      username[sizeof(username) - 1] = '\0';
+    }
+    else if ((attr = ippFindAttribute(con->request, "requesting-user-name", IPP_TAG_NAME)) != NULL)
+    {
+      strncpy(username, attr->values[0].string.text, sizeof(username) - 1);
+      username[sizeof(username) - 1] = '\0';
+    }
+    else
+      strcpy(username, "anonymous");
+  }
+  else
+    username[0] = '\0';
+
+  requested = ippFindAttribute(con->request, "requested-attributes",
+	                       IPP_TAG_KEYWORD);
+
+ /*
+  * OK, build a list of jobs for this printer...
+  */
+
+  for (count = 0, job = Jobs; count < limit && job != NULL; job = job->next)
+  {
+   /*
+    * Filter out jobs that don't match...
+    */
+
+    LogMessage(L_DEBUG2, "get_jobs: job->id = %d", job->id);
+
+    if ((dest != NULL && strcmp(job->dest, dest) != 0) &&
+        (job->printer == NULL || dest == NULL ||
+	 strcmp(job->printer->name, dest) != 0))
+      continue;
+    if ((job->dtype & dmask) != dtype &&
+        (job->printer == NULL || (job->printer->type & dmask) != dtype))
+      continue;
+    if (username[0] != '\0' && strcmp(username, job->username) != 0)
+      continue;
+
+    if (completed && job->state->values[0].integer <= IPP_JOB_STOPPED)
+      continue;
+    if (!completed && job->state->values[0].integer > IPP_JOB_STOPPED)
+      continue;
+
+    count ++;
+
+    LogMessage(L_DEBUG2, "get_jobs: count = %d", count);
+
+   /*
+    * Send the requested attributes for each job...
+    */
+
+    snprintf(job_uri, sizeof(job_uri), "http://%s:%d/jobs/%d", ServerName,
+	     ntohs(con->http.hostaddr.sin_port), job->id);
+
+    ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI,
+                 "job-more-info", NULL, job_uri);
+
+    ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI,
+                 "job-uri", NULL, job_uri);
+
+    ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                  "job-printer-up-time", time(NULL));
+
+   /*
+    * Copy the job attributes to the response using the requested-attributes
+    * attribute that may be provided by the client.
+    */
+
+    copy_attrs(con->response, job->attrs, requested, IPP_TAG_JOB);
+
+    add_job_state_reasons(con, job);
+
+    ippAddSeparator(con->response);
+  }
+
+  if (requested != NULL)
+    con->response->request.status.status_code = IPP_OK_SUBST;
+  else
+    con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'get_job_attrs()' - Get job attributes.
+ */
+
+static void
+get_job_attrs(client_t        *con,		/* I - Client connection */
+	      ipp_attribute_t *uri)		/* I - Job URI */
+{
+  ipp_attribute_t	*attr,		/* Current attribute */
+			*requested;	/* Requested attributes */
+  int			jobid;		/* Job ID */
+  job_t			*job;		/* Current job */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  char			job_uri[HTTP_MAX_URI];
+					/* Job URI... */
+
+
+  LogMessage(L_DEBUG2, "get_job_attrs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "get_job_attrs: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "get_job_attrs: bad job-uri attribute \'%s\'!\n",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "get_job_attrs: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Put out the standard attributes...
+  */
+
+  snprintf(job_uri, sizeof(job_uri), "http://%s:%d/jobs/%d",
+	   ServerName, ntohs(con->http.hostaddr.sin_port),
+	   job->id);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-id", job->id);
+
+  ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI,
+               "job-more-info", NULL, job_uri);
+
+  ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI,
+               "job-uri", NULL, job_uri);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                "job-printer-up-time", time(NULL));
+
+ /*
+  * Copy the job attributes to the response using the requested-attributes
+  * attribute that may be provided by the client.
+  */
+
+  requested = ippFindAttribute(con->request, "requested-attributes",
+	                       IPP_TAG_KEYWORD);
+
+  copy_attrs(con->response, job->attrs, requested, IPP_TAG_JOB);
+
+  add_job_state_reasons(con, job);
+
+  if (requested != NULL)
+    con->response->request.status.status_code = IPP_OK_SUBST;
+  else
+    con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'get_ppds()' - Get the list of PPD files on the local system.
+ */
+
+static void
+get_ppds(client_t *con)			/* I - Client connection */
+{
+  LogMessage(L_DEBUG2, "get_ppds(%p[%d])\n", con, con->http.fd);
+
+ /*
+  * Copy the PPD attributes to the response using the requested-attributes
+  * attribute that may be provided by the client.
+  */
+
+  copy_attrs(con->response, PPDs,
+             ippFindAttribute(con->request, "requested-attributes",
+	                      IPP_TAG_KEYWORD), IPP_TAG_ZERO);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'get_printer_attrs()' - Get printer attributes.
+ */
+
+static void
+get_printer_attrs(client_t        *con,	/* I - Client connection */
+		  ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  printer_t		*printer;	/* Printer/class */
+  time_t		curtime;	/* Current time */
+
+
+  LogMessage(L_DEBUG2, "get_printer_attrs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "get_printer_attrs: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    printer = FindClass(dest);
+  else
+    printer = FindPrinter(dest);
+
+  curtime = time(NULL);
+
+ /*
+  * Copy the printer attributes to the response using requested-attributes
+  * and document-format attributes that may be provided by the client.
+  */
+
+  ippAddInteger(con->response, IPP_TAG_PRINTER, IPP_TAG_ENUM, "printer-state",
+                printer->state);
+
+  add_printer_state_reasons(con, printer);
+
+  if (printer->state_message[0])
+    ippAddString(con->response, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                 "printer-state-message", NULL, printer->state_message);
+
+  ippAddBoolean(con->response, IPP_TAG_PRINTER, "printer-is-accepting-jobs",
+                printer->accepting);
+
+  ippAddInteger(con->response, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "printer-up-time", curtime);
+  ippAddDate(con->response, IPP_TAG_PRINTER, "printer-current-time",
+             ippTimeToDate(curtime));
+
+  add_queued_job_count(con, printer);
+
+  copy_attrs(con->response, printer->attrs,
+             ippFindAttribute(con->request, "requested-attributes",
+	                      IPP_TAG_KEYWORD), IPP_TAG_ZERO);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'get_printers()' - Get a list of printers or classes.
+ */
+
+static void
+get_printers(client_t *con,		/* I - Client connection */
+             int      type)		/* I - 0 or CUPS_PRINTER_CLASS */
+{
+  ipp_attribute_t	*attr,		/* Current attribute */
+			*requested;	/* Requested attributes */
+  int			limit;		/* Maximum number of printers to return */
+  int			count;		/* Number of printers that match */
+  printer_t		*printer;	/* Current printer pointer */
+  time_t		curtime;	/* Current time */
+  int			printer_type,	/* printer-type attribute */
+			printer_mask;	/* printer-type-mask attribute */
+  char			*location;	/* Location string */
+  char			name[IPP_MAX_NAME],
+					/* Printer name */
+			*nameptr;	/* Pointer into name */
+  printer_t		*iclass;	/* Implicit class */
+
+
+  LogMessage(L_DEBUG2, "get_printers(%p[%d], %x)\n", con, con->http.fd, type);
+
+ /*
+  * See if they want to limit the number of printers reported...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "limit", IPP_TAG_INTEGER)) != NULL)
+    limit = attr->values[0].integer;
+  else
+    limit = 10000000;
+
+ /*
+  * Support filtering...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "printer-type", IPP_TAG_ENUM)) != NULL)
+    printer_type = attr->values[0].integer;
+  else
+    printer_type = 0;
+
+  if ((attr = ippFindAttribute(con->request, "printer-type-mask", IPP_TAG_ENUM)) != NULL)
+    printer_mask = attr->values[0].integer;
+  else
+    printer_mask = 0;
+
+  if ((attr = ippFindAttribute(con->request, "location", IPP_TAG_TEXT)) != NULL)
+    location = attr->values[0].string.text;
+  else
+    location = NULL;
+
+  requested = ippFindAttribute(con->request, "requested-attributes",
+	                       IPP_TAG_KEYWORD);
+
+ /*
+  * OK, build a list of printers for this printer...
+  */
+
+  curtime = time(NULL);
+
+  for (count = 0, printer = Printers;
+       count < limit && printer != NULL;
+       printer = printer->next)
+    if ((printer->type & CUPS_PRINTER_CLASS) == type &&
+        (printer->type & printer_mask) == printer_type &&
+	(location == NULL || strcasecmp(printer->location, location) == 0))
+    {
+     /*
+      * If HideImplicitMembers is enabled, see if this printer or class
+      * is a member of an implicit class...
+      */
+
+      if (ImplicitClasses && HideImplicitMembers &&
+          (printer->type & CUPS_PRINTER_REMOTE))
+      {
+       /*
+        * Make a copy of the printer name...
+	*
+	* Note: name and printer->name are both IPP_MAX_NAME characters
+	*       in size, so strcpy() is safe...
+	*/
+
+        strcpy(name, printer->name);
+
+	if ((nameptr = strchr(name, '@')) != NULL)
+	{
+	 /*
+	  * Strip trailing @server...
+	  */
+
+	  *nameptr = '\0';
+
+         /*
+	  * Find the core printer, if any...
+	  */
+
+          if ((iclass = FindPrinter(name)) != NULL &&
+	      (iclass->type & CUPS_PRINTER_IMPLICIT))
+	    continue;
+	}
+      }
+
+     /*
+      * Add the group separator as needed...
+      */
+
+      if (count > 0)
+        ippAddSeparator(con->response);
+
+      count ++;
+
+     /*
+      * Send the following attributes for each printer:
+      *
+      *    printer-state
+      *    printer-state-message
+      *    printer-is-accepting-jobs
+      *    + all printer attributes
+      */
+
+      ippAddInteger(con->response, IPP_TAG_PRINTER, IPP_TAG_ENUM,
+                    "printer-state", printer->state);
+
+      add_printer_state_reasons(con, printer);
+
+      if (printer->state_message[0])
+	ippAddString(con->response, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                     "printer-state-message", NULL, printer->state_message);
+
+      ippAddBoolean(con->response, IPP_TAG_PRINTER, "printer-is-accepting-jobs",
+                    printer->accepting);
+
+      ippAddInteger(con->response, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                    "printer-up-time", curtime);
+      ippAddDate(con->response, IPP_TAG_PRINTER, "printer-current-time",
+        	 ippTimeToDate(curtime));
+
+      add_queued_job_count(con, printer);
+
+      copy_attrs(con->response, printer->attrs, requested, IPP_TAG_ZERO);
+    }
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'hold_job()' - Hold a print job.
+ */
+
+static void
+hold_job(client_t        *con,	/* I - Client connection */
+         ipp_attribute_t *uri)	/* I - Job or Printer URI */
+{
+  ipp_attribute_t	*attr,		/* Current job-hold-until */
+			*newattr;	/* New job-hold-until */
+  int			jobid;		/* Job ID */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  job_t			*job;		/* Job information */
+
+
+  LogMessage(L_DEBUG2, "hold_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/jobs/", 5) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "hold_job: hold request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "hold_job: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "hold_job: bad job-uri attribute \'%s\'!",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "hold_job: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "hold_job: \"%s\" not authorized to hold job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+ /*
+  * Hold the job and return...
+  */
+
+  HoldJob(jobid);
+
+  if ((newattr = ippFindAttribute(con->request, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+    newattr = ippFindAttribute(con->request, "job-hold-until", IPP_TAG_NAME);
+
+  if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+    attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+
+  if (attr != NULL)
+  {
+   /*
+    * Free the old hold value and copy the new one over...
+    */
+
+    free(attr->values[0].string.text);
+
+    if (newattr != NULL)
+    {
+      attr->value_tag = newattr->value_tag;
+      attr->values[0].string.text = strdup(newattr->values[0].string.text);
+    }
+    else
+    {
+      attr->value_tag = IPP_TAG_KEYWORD;
+      attr->values[0].string.text = strdup("indefinite");
+    }
+
+   /*
+    * Hold job until specified time...
+    */
+
+    SetJobHoldUntil(job->id, attr->values[0].string.text);
+  }
+
+  LogMessage(L_INFO, "Job %d was held by \'%s\'.", jobid, username);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'move_job()' - Move a job to a new destination.
+ */
+
+static void
+move_job(client_t        *con,		/* I - Client connection */
+	 ipp_attribute_t *uri)		/* I - Job URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  int			jobid;		/* Job ID */
+  job_t			*job;		/* Current job */
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+
+
+  LogMessage(L_DEBUG2, "move_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "move_job: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "move_job: bad job-uri attribute \'%s\'!\n",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "move_job: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the job has been completed...
+  */
+
+  if (job->state->values[0].integer > IPP_JOB_STOPPED)
+  {
+   /*
+    * Return a "not-possible" error...
+    */
+
+    LogMessage(L_ERROR, "move_job: job #%d is finished and cannot be altered!", jobid);
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "move_job: \"%s\" not authorized to move job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+  if ((attr = ippFindAttribute(con->request, "job-printer-uri", IPP_TAG_URI)) == NULL)
+  {
+   /*
+    * Need job-printer-uri...
+    */
+
+    LogMessage(L_ERROR, "move_job: job-printer-uri attribute missing!");
+    send_ipp_error(con, IPP_BAD_REQUEST);
+    return;
+  }
+    
+ /*
+  * Move the job to a different printer or class...
+  */
+
+  httpSeparate(attr->values[0].string.text, method, username, host, &port,
+               resource);
+  if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "move_job: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+  MoveJob(jobid, dest);
+
+ /*
+  * Start jobs if possible...
+  */
+
+  CheckJobs();
+
+ /*
+  * Return with "everything is OK" status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'print_job()' - Print a file to a printer or class.
+ */
+
+static void
+print_job(client_t        *con,		/* I - Client connection */
+	  ipp_attribute_t *uri)		/* I - Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_attribute_t	*format;	/* Document-format attribute */
+  const char		*dest;		/* Destination */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  int			priority;	/* Job priority */
+  char			*title;		/* Job name/title */
+  job_t			*job;		/* Current job */
+  char			job_uri[HTTP_MAX_URI],
+					/* Job URI */
+			printer_uri[HTTP_MAX_URI],
+					/* Printer URI */
+			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI],
+					/* Resource portion of URI */
+			filename[1024];	/* Job filename */
+  int			port;		/* Port portion of URI */
+  mime_type_t		*filetype;	/* Type of file */
+  char			super[MIME_MAX_SUPER],
+					/* Supertype of file */
+			type[MIME_MAX_TYPE],
+					/* Subtype of file */
+			mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE + 2];
+					/* Textual name of mime type */
+  printer_t		*printer;	/* Printer data */
+  struct stat		fileinfo;	/* File information */
+  int			kbytes;		/* Size of file */
+
+
+  LogMessage(L_DEBUG2, "print_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "print_job: cancel request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * OK, see if the client is sending the document compressed - CUPS
+  * doesn't support compression yet...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "compression", IPP_TAG_KEYWORD)) != NULL &&
+      strcmp(attr->values[0].string.text, "none") == 0)
+  {
+    LogMessage(L_ERROR, "print_job: Unsupported compression attribute %s!",
+               attr->values[0].string.text);
+    send_ipp_error(con, IPP_ATTRIBUTES);
+    ippAddString(con->response, IPP_TAG_UNSUPPORTED_GROUP, IPP_TAG_KEYWORD,
+	         "compression", NULL, attr->values[0].string.text);
+    return;
+  }
+
+ /*
+  * Do we have a file to print?
+  */
+
+  if (con->filename[0] == '\0')
+  {
+    LogMessage(L_ERROR, "print_job: No file!?!");
+    send_ipp_error(con, IPP_BAD_REQUEST);
+    return;
+  }
+
+ /*
+  * Is it a format we support?
+  */
+
+  if ((format = ippFindAttribute(con->request, "document-format", IPP_TAG_MIMETYPE)) != NULL)
+  {
+   /*
+    * Grab format from client...
+    */
+
+    if (sscanf(format->values[0].string.text, "%15[^/]/%31[^;]", super, type) != 2)
+    {
+      LogMessage(L_ERROR, "print_job: could not scan type \'%s\'!",
+	         format->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+  }
+  else
+  {
+   /*
+    * No document format attribute?  Auto-type it!
+    */
+
+    strcpy(super, "application");
+    strcpy(type, "octet-stream");
+  }
+
+  if (strcmp(super, "application") == 0 &&
+      strcmp(type, "octet-stream") == 0)
+  {
+   /*
+    * Auto-type the file...
+    */
+
+    LogMessage(L_DEBUG, "print_job: auto-typing file...");
+
+    filetype = mimeFileType(MimeDatabase, con->filename);
+
+    if (filetype != NULL)
+    {
+     /*
+      * Replace the document-format attribute value with the auto-typed one.
+      */
+
+      snprintf(mimetype, sizeof(mimetype), "%s/%s", filetype->super,
+               filetype->type);
+
+      if (format != NULL)
+      {
+	free(format->values[0].string.text);
+	format->values[0].string.text = strdup(mimetype);
+      }
+      else
+        ippAddString(con->request, IPP_TAG_JOB, IPP_TAG_MIMETYPE,
+	             "document-format", NULL, mimetype);
+    }
+    else
+      filetype = mimeType(MimeDatabase, super, type);
+  }
+  else
+    filetype = mimeType(MimeDatabase, super, type);
+
+  if (filetype == NULL)
+  {
+    LogMessage(L_ERROR, "print_job: Unsupported format \'%s/%s\'!",
+	       super, type);
+    send_ipp_error(con, IPP_DOCUMENT_FORMAT);
+
+    if (format)
+      ippAddString(con->response, IPP_TAG_UNSUPPORTED_GROUP, IPP_TAG_MIMETYPE,
+                   "document-format", NULL, format->values[0].string.text);
+
+    return;
+  }
+
+  LogMessage(L_DEBUG, "print_job: request file type is %s/%s.",
+	     filetype->super, filetype->type);
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "print_job: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the printer is accepting jobs...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+  {
+    printer = FindClass(dest);
+    snprintf(printer_uri, sizeof(printer_uri), "http://%s:%d/classes/%s",
+             ServerName, ntohs(con->http.hostaddr.sin_port), dest);
+  }
+  else
+  {
+    printer = FindPrinter(dest);
+
+    snprintf(printer_uri, sizeof(printer_uri), "http://%s:%d/printers/%s",
+             ServerName, ntohs(con->http.hostaddr.sin_port), dest);
+  }
+
+  if (!printer->accepting)
+  {
+    LogMessage(L_INFO, "print_job: destination \'%s\' is not accepting jobs.",
+               dest);
+    send_ipp_error(con, IPP_NOT_ACCEPTING);
+    return;
+  }
+
+ /*
+  * Make sure we aren't over our limit...
+  */
+
+  if (NumJobs >= MaxJobs && MaxJobs)
+    CleanJobs();
+
+  if (NumJobs >= MaxJobs && MaxJobs)
+  {
+    LogMessage(L_INFO, "print_job: too many jobs.");
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+  if (!check_quotas(con, printer))
+  {
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * Create the job and set things up...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "job-priority", IPP_TAG_INTEGER)) != NULL)
+    priority = attr->values[0].integer;
+  else
+    ippAddInteger(con->request, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-priority",
+                  priority = 50);
+
+  if ((attr = ippFindAttribute(con->request, "job-name", IPP_TAG_NAME)) != NULL)
+    title = attr->values[0].string.text;
+  else
+    ippAddString(con->request, IPP_TAG_JOB, IPP_TAG_NAME, "job-name", NULL,
+                 title = "Untitled");
+
+  if ((job = AddJob(priority, printer->name)) == NULL)
+  {
+    LogMessage(L_ERROR, "print_job: unable to add job for destination \'%s\'!",
+               dest);
+    send_ipp_error(con, IPP_INTERNAL_ERROR);
+    return;
+  }
+
+  job->dtype   = dtype;
+  job->attrs   = con->request;
+  con->request = NULL;
+
+ /*
+  * Copy the rest of the job info...
+  */
+
+  strncpy(job->title, title, sizeof(job->title) - 1);
+
+  attr = ippFindAttribute(job->attrs, "requesting-user-name", IPP_TAG_NAME);
+
+  if (con->username[0])
+  {
+    strncpy(job->username, con->username, sizeof(job->username) - 1);
+    job->username[sizeof(job->username) - 1] = '\0';
+  }
+  if (attr != NULL)
+  {
+    LogMessage(L_DEBUG, "print_job: requesting-user-name = \'%s\'",
+               attr->values[0].string.text);
+
+    strncpy(job->username, attr->values[0].string.text, sizeof(job->username) - 1);
+    job->username[sizeof(job->username) - 1] = '\0';
+  }
+  else
+    strcpy(job->username, "anonymous");
+
+  if (attr == NULL)
+    ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, "job-originating-user-name",
+                 NULL, job->username);
+  else
+  {
+    attr->group_tag = IPP_TAG_JOB;
+    free(attr->name);
+    attr->name = strdup("job-originating-user-name");
+  }
+
+ /*
+  * Add remaining job attributes...
+  */
+
+  ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, 
+               "job-originating-host-name", NULL, con->http.hostname);
+  ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-id", job->id);
+  job->state = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_ENUM,
+                             "job-state", IPP_JOB_PENDING);
+  job->sheets = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                              "job-media-sheets-completed", 0);
+  ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_URI, "job-printer-uri", NULL,
+               printer_uri);
+  ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, "job-name", NULL,
+               title);
+
+  if ((attr = ippFindAttribute(job->attrs, "job-k-octets", IPP_TAG_INTEGER)) == NULL)
+    attr = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                         "job-k-octets", 0);
+
+  if (stat(con->filename, &fileinfo))
+    kbytes = 0;
+  else
+    kbytes = (fileinfo.st_size + 1023) / 1024;
+
+  UpdateQuota(printer, job->username, 0, kbytes);
+  attr->values[0].integer += kbytes;
+
+  ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER, "time-at-creation",
+                time(NULL));
+  attr = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                       "time-at-processing", 0);
+  attr->value_tag = IPP_TAG_NOVALUE;
+  attr = ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER,
+                       "time-at-completed", 0);
+  attr->value_tag = IPP_TAG_NOVALUE;
+
+  if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+    attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+  if (attr == NULL)
+    attr = ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_KEYWORD,
+                        "job-hold-until", NULL, "no-hold");
+
+  if (attr != NULL && strcmp(attr->values[0].string.text, "no-hold") != 0 &&
+      !(printer->type & CUPS_PRINTER_REMOTE))
+  {
+   /*
+    * Hold job until specified time...
+    */
+
+    job->state->values[0].integer = IPP_JOB_HELD;
+    SetJobHoldUntil(job->id, attr->values[0].string.text);
+  }
+
+  if (!(printer->type & CUPS_PRINTER_REMOTE) || Classification[0])
+  {
+   /*
+    * Add job sheets options...
+    */
+
+    if ((attr = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_ZERO)) == NULL)
+    {
+      LogMessage(L_DEBUG, "Adding default job-sheets values \"%s,%s\"...",
+                 printer->job_sheets[0], printer->job_sheets[1]);
+
+      attr = ippAddStrings(job->attrs, IPP_TAG_JOB, IPP_TAG_NAME, "job-sheets",
+                           2, NULL, NULL);
+      attr->values[0].string.text = strdup(printer->job_sheets[0]);
+      attr->values[1].string.text = strdup(printer->job_sheets[1]);
+    }
+
+    job->job_sheets = attr;
+
+   /*
+    * Enforce classification level if set...
+    */
+
+    if (Classification[0])
+    {
+      if (ClassifyOverride)
+      {
+        if (strcmp(attr->values[0].string.text, "none") == 0 &&
+	    (attr->num_values == 1 ||
+	     strcmp(attr->values[1].string.text, "none") == 0))
+        {
+	 /*
+          * Force the leading banner to have the classification on it...
+	  */
+
+          free(attr->values[0].string.text);
+	  attr->values[0].string.text = strdup(Classification);
+	}
+	else if (attr->num_values == 2 &&
+	         strcmp(attr->values[0].string.text, attr->values[1].string.text) != 0 &&
+		 strcmp(attr->values[0].string.text, "none") != 0 &&
+		 strcmp(attr->values[1].string.text, "none") != 0)
+        {
+	 /*
+	  * Can't put two different security markings on the same document!
+	  */
+
+          free(attr->values[1].string.text);
+	  attr->values[1].string.text = strdup(attr->values[0].string.text);
+	}
+      }
+      else if (strcmp(attr->values[0].string.text, Classification) != 0 &&
+               (attr->num_values == 1 ||
+	       strcmp(attr->values[1].string.text, Classification) != 0))
+      {
+       /*
+        * Force the leading banner to have the classification on it...
+	*/
+
+        free(attr->values[0].string.text);
+	attr->values[0].string.text = strdup(Classification);
+      }
+    }
+
+   /*
+    * Add the starting sheet...
+    */
+
+    if (!(printer->type & CUPS_PRINTER_REMOTE))
+    {
+      kbytes = copy_banner(con, job, attr->values[0].string.text);
+
+      UpdateQuota(printer, job->username, 0, kbytes);
+    }
+  }
+  else if ((attr = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_ZERO)) != NULL)
+    job->sheets = attr;
+   
+ /*
+  * Add the job file...
+  */
+
+  if (add_file(con, job, filetype))
+    return;
+
+  snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot, job->id,
+           job->num_files);
+  rename(con->filename, filename);
+  con->filename[0] = '\0';
+
+ /*
+  * See if we need to add the ending sheet...
+  */
+
+  if (!(printer->type & CUPS_PRINTER_REMOTE) && attr->num_values > 1)
+  {
+   /*
+    * Yes...
+    */
+
+    kbytes = copy_banner(con, job, attr->values[1].string.text);
+    UpdateQuota(printer, job->username, 0, kbytes);
+  }
+
+ /*
+  * Log and save the job...
+  */
+
+  LogMessage(L_INFO, "Job %d queued on \'%s\' by \'%s\'.", job->id,
+             job->dest, job->username);
+  LogMessage(L_DEBUG, "Job %d hold_until = %d", job->id, job->hold_until);
+
+  SaveJob(job->id);
+
+ /*
+  * Start the job if possible...
+  */
+
+  CheckJobs();
+
+ /*
+  * Fill in the response info...
+  */
+
+  snprintf(job_uri, sizeof(job_uri), "http://%s:%d/jobs/%d", ServerName,
+	   ntohs(con->http.hostaddr.sin_port), job->id);
+  ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI, "job-uri", NULL, job_uri);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-id", job->id);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_ENUM, "job-state",
+                job->state->values[0].integer);
+  add_job_state_reasons(con, job);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'reject_jobs()' - Reject print jobs to a printer.
+ */
+
+static void
+reject_jobs(client_t        *con,	/* I - Client connection */
+            ipp_attribute_t *uri)	/* I - Printer or class URI */
+{
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  const char		*name;		/* Printer name */
+  printer_t		*printer;	/* Printer data */
+  ipp_attribute_t	*attr;		/* printer-state-message text */
+
+
+  LogMessage(L_DEBUG2, "reject_jobs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "reject_jobs: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((name = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "reject_jobs: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Reject jobs sent to the printer...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    printer = FindClass(name);
+  else
+    printer = FindPrinter(name);
+
+  printer->accepting = 0;
+
+  if ((attr = ippFindAttribute(con->request, "printer-state-message",
+                               IPP_TAG_TEXT)) == NULL)
+    strcpy(printer->state_message, "Rejecting Jobs");
+  else
+  {
+    strncpy(printer->state_message, attr->values[0].string.text,
+            sizeof(printer->state_message) - 1);
+    printer->state_message[sizeof(printer->state_message) - 1] = '\0';
+  }
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    SaveAllClasses();
+  else
+    SaveAllPrinters();
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    LogMessage(L_INFO, "Class \'%s\' rejecting jobs (\'%s\').", name,
+               con->username);
+  else
+    LogMessage(L_INFO, "Printer \'%s\' rejecting jobs (\'%s\').", name,
+               con->username);
+
+ /*
+  * Everything was ok, so return OK status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'release_job()' - Release a held print job.
+ */
+
+static void
+release_job(client_t        *con,	/* I - Client connection */
+            ipp_attribute_t *uri)	/* I - Job or Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  int			jobid;		/* Job ID */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  job_t			*job;		/* Job information */
+
+
+  LogMessage(L_DEBUG2, "release_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/jobs/", 5) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "release_job: release request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "release_job: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "release_job: bad job-uri attribute \'%s\'!",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "release_job: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if job is "held"...
+  */
+
+  if (job->state->values[0].integer != IPP_JOB_HELD)
+  {
+   /*
+    * Nope - return a "not possible" error...
+    */
+
+    LogMessage(L_ERROR, "release_job: job #%d is not held!", jobid);
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "release_job: \"%s\" not authorized to release job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+ /*
+  * Reset the job-hold-until value to "no-hold"...
+  */
+
+  if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+    attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+
+  if (attr != NULL)
+  {
+    free(attr->values[0].string.text);
+    attr->value_tag = IPP_TAG_KEYWORD;
+    attr->values[0].string.text = strdup("no-hold");
+  }
+
+ /*
+  * Release the job and return...
+  */
+
+  ReleaseJob(jobid);
+
+  LogMessage(L_INFO, "Job %d was released by \'%s\'.", jobid, username);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'restart_job()' - Restart an old print job.
+ */
+
+static void
+restart_job(client_t        *con,	/* I - Client connection */
+         ipp_attribute_t *uri)	/* I - Job or Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  int			jobid;		/* Job ID */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  job_t			*job;		/* Job information */
+
+
+  LogMessage(L_DEBUG2, "restart_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/jobs/", 5) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "restart_job: restart request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "restart_job: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "restart_job: bad job-uri attribute \'%s\'!",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "restart_job: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if job is in any of the "completed" states...
+  */
+
+  if (job->state->values[0].integer <= IPP_JOB_PROCESSING)
+  {
+   /*
+    * Nope - return a "not possible" error...
+    */
+
+    LogMessage(L_ERROR, "restart_job: job #%d is not complete!", jobid);
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * See if we have retained the job files...
+  */
+
+  if (!JobFiles && job->state->values[0].integer > IPP_JOB_STOPPED)
+  {
+   /*
+    * Nope - return a "not possible" error...
+    */
+
+    LogMessage(L_ERROR, "restart_job: job #%d cannot be restarted - no files!", jobid);
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "restart_job: \"%s\" not authorized to restart job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+ /*
+  * Restart the job and return...
+  */
+
+  RestartJob(jobid);
+
+  LogMessage(L_INFO, "Job %d was restarted by \'%s\'.", jobid, username);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'send_document()' - Send a file to a printer or class.
+ */
+
+static void
+send_document(client_t        *con,	/* I - Client connection */
+	      ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_attribute_t	*format;	/* Document-format attribute */
+  int			jobid;		/* Job ID number */
+  job_t			*job;		/* Current job */
+  char			job_uri[HTTP_MAX_URI],
+					/* Job URI */
+			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  mime_type_t		*filetype;	/* Type of file */
+  char			super[MIME_MAX_SUPER],
+					/* Supertype of file */
+			type[MIME_MAX_TYPE],
+					/* Subtype of file */
+			mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE + 2];
+					/* Textual name of mime type */
+  char			filename[1024];	/* Job filename */
+  printer_t		*printer;	/* Current printer */
+  struct stat		fileinfo;	/* File information */
+  int			kbytes;		/* Size of file */
+
+
+  LogMessage(L_DEBUG2, "send_document(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/jobs/", 6) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "send_document: print request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "send_document: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "send_document: bad job-uri attribute \'%s\'!",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "send_document: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "send_document: \"%s\" not authorized to send document for job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+ /*
+  * OK, see if the client is sending the document compressed - CUPS
+  * doesn't support compression yet...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "compression", IPP_TAG_KEYWORD)) != NULL &&
+      strcmp(attr->values[0].string.text, "none") == 0)
+  {
+    LogMessage(L_ERROR, "send_document: Unsupported compression attribute %s!",
+               attr->values[0].string.text);
+    send_ipp_error(con, IPP_ATTRIBUTES);
+    ippAddString(con->response, IPP_TAG_UNSUPPORTED_GROUP, IPP_TAG_KEYWORD,
+	         "compression", NULL, attr->values[0].string.text);
+    return;
+  }
+
+ /*
+  * Do we have a file to print?
+  */
+
+  if (con->filename[0] == '\0')
+  {
+    LogMessage(L_ERROR, "send_document: No file!?!");
+    send_ipp_error(con, IPP_BAD_REQUEST);
+    return;
+  }
+
+ /*
+  * Is it a format we support?
+  */
+
+  if ((format = ippFindAttribute(con->request, "document-format", IPP_TAG_MIMETYPE)) != NULL)
+  {
+   /*
+    * Grab format from client...
+    */
+
+    if (sscanf(format->values[0].string.text, "%15[^/]/%31[^;]", super, type) != 2)
+    {
+      LogMessage(L_ERROR, "send_document: could not scan type \'%s\'!",
+	         format->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+  }
+  else
+  {
+   /*
+    * No document format attribute?  Auto-type it!
+    */
+
+    strcpy(super, "application");
+    strcpy(type, "octet-stream");
+  }
+
+  if (strcmp(super, "application") == 0 &&
+      strcmp(type, "octet-stream") == 0)
+  {
+   /*
+    * Auto-type the file...
+    */
+
+    LogMessage(L_DEBUG, "send_document: auto-typing file...");
+
+    filetype = mimeFileType(MimeDatabase, con->filename);
+
+    if (filetype != NULL)
+    {
+     /*
+      * Replace the document-format attribute value with the auto-typed one.
+      */
+
+      snprintf(mimetype, sizeof(mimetype), "%s/%s", filetype->super,
+               filetype->type);
+
+      if (format != NULL)
+      {
+	free(format->values[0].string.text);
+	format->values[0].string.text = strdup(mimetype);
+      }
+      else
+        ippAddString(con->request, IPP_TAG_JOB, IPP_TAG_MIMETYPE,
+	             "document-format", NULL, mimetype);
+    }
+    else
+      filetype = mimeType(MimeDatabase, super, type);
+  }
+  else
+    filetype = mimeType(MimeDatabase, super, type);
+
+  if (filetype == NULL)
+  {
+    LogMessage(L_ERROR, "send_document: Unsupported format \'%s/%s\'!",
+	       super, type);
+    send_ipp_error(con, IPP_DOCUMENT_FORMAT);
+
+    if (format)
+      ippAddString(con->response, IPP_TAG_UNSUPPORTED_GROUP, IPP_TAG_MIMETYPE,
+                   "document-format", NULL, format->values[0].string.text);
+
+    return;
+  }
+
+  LogMessage(L_DEBUG, "send_document: request file type is %s/%s.",
+	     filetype->super, filetype->type);
+
+ /*
+  * Add the file to the job...
+  */
+
+  if (add_file(con, job, filetype))
+    return;
+
+  if (job->dtype & CUPS_PRINTER_CLASS)
+    printer = FindClass(job->dest);
+  else
+    printer = FindPrinter(job->dest);
+
+  if (stat(con->filename, &fileinfo))
+    kbytes = 0;
+  else
+    kbytes = (fileinfo.st_size + 1023) / 1024;
+
+  UpdateQuota(printer, job->username, 0, kbytes);
+
+  if ((attr = ippFindAttribute(job->attrs, "job-k-octets", IPP_TAG_INTEGER)) != NULL)
+    attr->values[0].integer += kbytes;
+
+  snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot, job->id,
+           job->num_files);
+  rename(con->filename, filename);
+
+  con->filename[0] = '\0';
+
+  LogMessage(L_INFO, "File of type %s/%s queued in job #%d by \'%s\'.",
+             filetype->super, filetype->type, job->id, job->username);
+
+ /*
+  * Start the job if this is the last document...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "last-document", IPP_TAG_BOOLEAN)) != NULL &&
+      attr->values[0].boolean)
+  {
+   /*
+    * See if we need to add the ending sheet...
+    */
+
+    if (printer != NULL && !(printer->type & CUPS_PRINTER_REMOTE) &&
+        (attr = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_ZERO)) != NULL &&
+        attr->num_values > 1)
+    {
+     /*
+      * Yes...
+      */
+
+      kbytes = copy_banner(con, job, attr->values[1].string.text);
+      UpdateQuota(printer, job->username, 0, kbytes);
+    }
+
+    if (job->state->values[0].integer == IPP_JOB_STOPPED)
+      job->state->values[0].integer = IPP_JOB_PENDING;
+    else if (job->state->values[0].integer == IPP_JOB_HELD)
+    {
+      if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+	attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+
+      if (attr == NULL || strcmp(attr->values[0].string.text, "no-hold") == 0)
+	job->state->values[0].integer = IPP_JOB_PENDING;
+    }
+
+    SaveJob(job->id);
+    CheckJobs();
+  }
+  else
+  {
+    if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+      attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+
+    if (attr == NULL || strcmp(attr->values[0].string.text, "no-hold") == 0)
+    {
+      job->state->values[0].integer = IPP_JOB_HELD;
+      job->hold_until               = time(NULL) + 60;
+      SaveJob(job->id);
+    }
+  }
+
+ /*
+  * Fill in the response info...
+  */
+
+  snprintf(job_uri, sizeof(job_uri), "http://%s:%d/jobs/%d", ServerName,
+	   ntohs(con->http.hostaddr.sin_port), job->id);
+  ippAddString(con->response, IPP_TAG_JOB, IPP_TAG_URI, "job-uri", NULL,
+               job_uri);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-id", job->id);
+
+  ippAddInteger(con->response, IPP_TAG_JOB, IPP_TAG_ENUM, "job-state",
+                job->state->values[0].integer);
+  add_job_state_reasons(con, job);
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'send_ipp_error()' - Send an error status back to the IPP client.
+ */
+
+static void
+send_ipp_error(client_t     *con,	/* I - Client connection */
+               ipp_status_t status)	/* I - IPP status code */
+{
+  LogMessage(L_DEBUG2, "send_ipp_error(%p[%d], %x)\n", con, con->http.fd,
+             status);
+
+  LogMessage(L_DEBUG, "Sending error: %s", ippErrorString(status));
+
+  con->response->request.status.status_code = status;
+
+  if (ippFindAttribute(con->response, "attributes-charset", IPP_TAG_ZERO) == NULL)
+    ippAddString(con->response, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+                 "attributes-charset", NULL, DefaultCharset);
+
+  if (ippFindAttribute(con->response, "attributes-natural-language",
+                       IPP_TAG_ZERO) == NULL)
+    ippAddString(con->response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                 "attributes-natural-language", NULL, DefaultLanguage);
+}
+
+
+/*
+ * 'set_default()' - Set the default destination...
+ */
+
+static void
+set_default(client_t        *con,	/* I - Client connection */
+            ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  const char		*name;		/* Printer name */
+
+
+  LogMessage(L_DEBUG2, "set_default(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "set_default: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((name = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "set_default: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Set it as the default...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    DefaultPrinter = FindClass(name);
+  else
+    DefaultPrinter = FindPrinter(name);
+
+  SaveAllPrinters();
+  SaveAllClasses();
+
+  LogMessage(L_INFO, "Default destination set to \'%s\' by \'%s\'.", name,
+             con->username);
+
+ /*
+  * Everything was ok, so return OK status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'set_job_attrs()' - Set job attributes.
+ */
+
+static void
+set_job_attrs(client_t        *con,	/* I - Client connection */
+	      ipp_attribute_t *uri)	/* I - Job URI */
+{
+  ipp_attribute_t	*attr,		/* Current attribute */
+			*attr2,		/* Job attribute */
+			*prev2;		/* Previous job attribute */
+  int			jobid;		/* Job ID */
+  job_t			*job;		/* Current job */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+
+
+  LogMessage(L_DEBUG2, "set_job_attrs(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * See if we have a job URI or a printer URI...
+  */
+
+  if (strcmp(uri->name, "printer-uri") == 0)
+  {
+   /*
+    * Got a printer URI; see if we also have a job-id attribute...
+    */
+
+    if ((attr = ippFindAttribute(con->request, "job-id", IPP_TAG_INTEGER)) == NULL)
+    {
+      LogMessage(L_ERROR, "set_job_attrs: got a printer-uri attribute but no job-id!");
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = attr->values[0].integer;
+  }
+  else
+  {
+   /*
+    * Got a job URI; parse it to get the job ID...
+    */
+
+    httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+ 
+    if (strncmp(resource, "/jobs/", 6) != 0)
+    {
+     /*
+      * Not a valid URI!
+      */
+
+      LogMessage(L_ERROR, "set_job_attrs: bad job-uri attribute \'%s\'!\n",
+                 uri->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    jobid = atoi(resource + 6);
+  }
+
+ /*
+  * See if the job exists...
+  */
+
+  if ((job = FindJob(jobid)) == NULL)
+  {
+   /*
+    * Nope - return a "not found" error...
+    */
+
+    LogMessage(L_ERROR, "set_job_attrs: job #%d doesn't exist!", jobid);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * See if the job has been completed...
+  */
+
+  if (job->state->values[0].integer > IPP_JOB_STOPPED)
+  {
+   /*
+    * Return a "not-possible" error...
+    */
+
+    LogMessage(L_ERROR, "set_job_attrs: job #%d is finished and cannot be altered!", jobid);
+    send_ipp_error(con, IPP_NOT_POSSIBLE);
+    return;
+  }
+
+ /*
+  * See if the job is owned by the requesting user...
+  */
+
+  if (!validate_user(con, job->username, username, sizeof(username)))
+  {
+    LogMessage(L_ERROR, "set_job_attrs: \"%s\" not authorized to alter job id %d owned by \"%s\"!",
+               username, jobid, job->username);
+    send_ipp_error(con, IPP_FORBIDDEN);
+    return;
+  }
+
+ /*
+  * See what the user wants to change.
+  */
+
+  for (attr = con->request->attrs; attr != NULL; attr = attr->next)
+  {
+    if (attr->group_tag != IPP_TAG_JOB || !attr->name)
+      continue;
+
+    if (strcmp(attr->name, "job-originating-host-name") == 0 ||
+        strcmp(attr->name, "job-originating-user-name") == 0 ||
+	strcmp(attr->name, "job-media-sheets-completed") == 0 ||
+	strcmp(attr->name, "job-k-octets") == 0 ||
+	strcmp(attr->name, "job-id") == 0 ||
+	strcmp(attr->name, "job-sheets") == 0 ||
+	strncmp(attr->name, "time-at-", 8) == 0)
+      continue; /* Read-only attrs */
+
+    if (strcmp(attr->name, "job-priority") == 0 &&
+        attr->value_tag == IPP_TAG_INTEGER &&
+	job->state->values[0].integer != IPP_JOB_PROCESSING)
+    {
+     /*
+      * Change the job priority
+      */
+
+      SetJobPriority(jobid, attr->values[0].integer);
+    }
+    else if ((attr2 = ippFindAttribute(job->attrs, attr->name, IPP_TAG_ZERO)) != NULL)
+    {
+     /*
+      * Some other value; first free the old value...
+      */
+
+      for (prev2 = job->attrs->attrs; prev2 != NULL; prev2 = prev2->next)
+	if (prev2->next == attr2)
+	  break;
+
+      if (prev2)
+	prev2->next = attr2->next;
+      else
+	job->attrs->attrs = attr2->next;
+
+      _ipp_free_attr(attr2);
+
+     /*
+      * Then copy the attribute...
+      */
+
+      copy_attribute(job->attrs, attr, 0);
+
+     /*
+      * See if the job-name or job-hold-until is being changed.
+      */
+
+      if (strcmp(attr->name, "job-name") == 0)
+        strncpy(job->title, attr->values[0].string.text, sizeof(job->title) - 1);
+      else if (strcmp(attr->name, "job-hold-until") == 0)
+      {
+        SetJobHoldUntil(job->id, attr->values[0].string.text);
+
+	if (strcmp(attr->values[0].string.text, "no-hold") == 0)
+	  ReleaseJob(job->id);
+	else
+	  HoldJob(job->id);
+      }
+    }
+    else if (attr->value_tag == IPP_TAG_DELETEATTR)
+    {
+     /*
+      * Delete the attribute...
+      */
+
+      for (attr2 = job->attrs->attrs, prev2 = NULL;
+           attr2 != NULL;
+	   prev2 = attr2, attr2 = attr2->next)
+        if (attr2->name && strcmp(attr2->name, attr->name) == 0)
+	  break;
+
+      if (attr2)
+      {
+        if (prev2)
+	  prev2->next = attr2->next;
+	else
+	  job->attrs->attrs = attr2->next;
+
+        _ipp_free_attr(attr2);
+      }
+    }
+    else
+    {
+     /*
+      * Add new option by copying it...
+      */
+
+      copy_attribute(job->attrs, attr, 0);
+    }
+  }
+
+ /*
+  * Save the job...
+  */
+
+  SaveJob(job->id);
+
+ /*
+  * Start jobs if possible...
+  */
+
+  CheckJobs();
+
+ /*
+  * Return with "everything is OK" status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'start_printer()' - Start a printer.
+ */
+
+static void
+start_printer(client_t        *con,	/* I - Client connection */
+              ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  const char		*name;		/* Printer name */
+  printer_t		*printer;	/* Printer data */
+
+
+  LogMessage(L_DEBUG2, "start_printer(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "start_printer: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((name = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "start_printer: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Start the printer...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    printer = FindClass(name);
+  else
+    printer = FindPrinter(name);
+
+  StartPrinter(printer);
+
+  printer->state_message[0] = '\0';
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    SaveAllClasses();
+  else
+    SaveAllPrinters();
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    LogMessage(L_INFO, "Class \'%s\' started by \'%s\'.", name,
+               con->username);
+  else
+    LogMessage(L_INFO, "Printer \'%s\' started by \'%s\'.", name,
+               con->username);
+
+  CheckJobs();
+
+ /*
+  * Everything was ok, so return OK status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'stop_printer()' - Stop a printer.
+ */
+
+static void
+stop_printer(client_t        *con,	/* I - Client connection */
+             ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  const char		*name;		/* Printer name */
+  printer_t		*printer;	/* Printer data */
+  ipp_attribute_t	*attr;		/* printer-state-message attribute */
+
+
+  LogMessage(L_DEBUG2, "stop_printer(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Was this operation called from the correct URI?
+  */
+
+  if (strncmp(con->uri, "/admin/", 7) != 0)
+  {
+    LogMessage(L_ERROR, "stop_printer: admin request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if ((name = ValidateDest(host, resource, &dtype)) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "stop_printer: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Stop the printer...
+  */
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    printer = FindClass(name);
+  else
+    printer = FindPrinter(name);
+
+  StopPrinter(printer);
+
+  if ((attr = ippFindAttribute(con->request, "printer-state-message",
+                               IPP_TAG_TEXT)) == NULL)
+    strcpy(printer->state_message, "Paused");
+  else
+  {
+    strncpy(printer->state_message, attr->values[0].string.text,
+            sizeof(printer->state_message) - 1);
+    printer->state_message[sizeof(printer->state_message) - 1] = '\0';
+  }
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    SaveAllClasses();
+  else
+    SaveAllPrinters();
+
+  if (dtype == CUPS_PRINTER_CLASS)
+    LogMessage(L_INFO, "Class \'%s\' stopped by \'%s\'.", name,
+               con->username);
+  else
+    LogMessage(L_INFO, "Printer \'%s\' stopped by \'%s\'.", name,
+               con->username);
+
+ /*
+  * Everything was ok, so return OK status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'validate_job()' - Validate printer options and destination.
+ */
+
+static void
+validate_job(client_t        *con,	/* I - Client connection */
+	     ipp_attribute_t *uri)	/* I - Printer URI */
+{
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_attribute_t	*format;	/* Document-format attribute */
+  cups_ptype_t		dtype;		/* Destination type (printer or class) */
+  char			method[HTTP_MAX_URI],
+					/* Method portion of URI */
+			username[HTTP_MAX_URI],
+					/* Username portion of URI */
+			host[HTTP_MAX_URI],
+					/* Host portion of URI */
+			resource[HTTP_MAX_URI];
+					/* Resource portion of URI */
+  int			port;		/* Port portion of URI */
+  char			super[MIME_MAX_SUPER],
+					/* Supertype of file */
+			type[MIME_MAX_TYPE];
+					/* Subtype of file */
+
+
+  LogMessage(L_DEBUG2, "validate_job(%p[%d], %s)\n", con, con->http.fd,
+             uri->values[0].string.text);
+
+ /*
+  * Verify that the POST operation was done to a valid URI.
+  */
+
+  if (strncmp(con->uri, "/classes/", 9) != 0 &&
+      strncmp(con->uri, "/printers/", 10) != 0)
+  {
+    LogMessage(L_ERROR, "validate_job: request on bad resource \'%s\'!",
+               con->uri);
+    send_ipp_error(con, IPP_NOT_AUTHORIZED);
+    return;
+  }
+
+ /*
+  * OK, see if the client is sending the document compressed - CUPS
+  * doesn't support compression yet...
+  */
+
+  if ((attr = ippFindAttribute(con->request, "compression", IPP_TAG_KEYWORD)) != NULL &&
+      strcmp(attr->values[0].string.text, "none") == 0)
+  {
+    LogMessage(L_ERROR, "validate_job: Unsupported compression attribute %s!",
+               attr->values[0].string.text);
+    send_ipp_error(con, IPP_ATTRIBUTES);
+    ippAddString(con->response, IPP_TAG_UNSUPPORTED_GROUP, IPP_TAG_KEYWORD,
+	         "compression", NULL, attr->values[0].string.text);
+    return;
+  }
+
+ /*
+  * Is it a format we support?
+  */
+
+  if ((format = ippFindAttribute(con->request, "document-format", IPP_TAG_MIMETYPE)) != NULL)
+  {
+    if (sscanf(format->values[0].string.text, "%15[^/]/%31[^;]", super, type) != 2)
+    {
+      LogMessage(L_ERROR, "validate_job: could not scan type \'%s\'!\n",
+		 format->values[0].string.text);
+      send_ipp_error(con, IPP_BAD_REQUEST);
+      return;
+    }
+
+    if ((strcmp(super, "application") != 0 ||
+	 strcmp(type, "octet-stream") != 0) &&
+	mimeType(MimeDatabase, super, type) == NULL)
+    {
+      LogMessage(L_ERROR, "validate_job: Unsupported format \'%s\'!\n",
+		 format->values[0].string.text);
+      send_ipp_error(con, IPP_DOCUMENT_FORMAT);
+      ippAddString(con->response, IPP_TAG_UNSUPPORTED_GROUP, IPP_TAG_MIMETYPE,
+                   "document-format", NULL, format->values[0].string.text);
+      return;
+    }
+  }
+
+ /*
+  * Is the destination valid?
+  */
+
+  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);
+
+  if (ValidateDest(host, resource, &dtype) == NULL)
+  {
+   /*
+    * Bad URI...
+    */
+
+    LogMessage(L_ERROR, "validate_job: resource name \'%s\' no good!", resource);
+    send_ipp_error(con, IPP_NOT_FOUND);
+    return;
+  }
+
+ /*
+  * Everything was ok, so return OK status...
+  */
+
+  con->response->request.status.status_code = IPP_OK;
+}
+
+
+/*
+ * 'validate_user()' - Validate the user for the request.
+ */
+
+static int				/* O - 1 if permitted, 0 otherwise */
+validate_user(client_t   *con,		/* I - Client connection */
+              const char *owner,	/* I - Owner of job/resource */
+              char       *username,	/* O - Authenticated username */
+	      int        userlen)	/* I - Length of username */
+{
+  int			i, j;		/* Looping vars */
+  ipp_attribute_t	*attr;		/* requesting-user-name attribute */
+  struct passwd		*user;		/* User info */
+  struct group		*group;		/* System group info */
+
+
+  LogMessage(L_DEBUG2, "validate_user(%p[%d], \"%s\", %p, %d)\n",
+             con, con->http.fd, owner, username, userlen);
+
+ /*
+  * Validate input...
+  */
+
+  if (con == NULL || owner == NULL || username == NULL || userlen <= 0)
+    return (0);
+
+ /*
+  * Get the best authenticated username that is available.
+  */
+
+  if (con->username[0])
+    strncpy(username, con->username, userlen - 1);
+  else if ((attr = ippFindAttribute(con->request, "requesting-user-name", IPP_TAG_NAME)) != NULL)
+    strncpy(username, attr->values[0].string.text, userlen - 1);
+  else
+    strncpy(username, "anonymous", userlen - 1);
+
+  username[userlen - 1] = '\0';
+
+ /*
+  * Check the username against the owner...
+  */
+
+  if (strcasecmp(username, owner) != 0 && strcasecmp(username, "root") != 0)
+  {
+   /*
+    * Not the owner or root; check to see if the user is a member of the
+    * system group...
+    */
+
+    user = getpwnam(username);
+    endpwent();
+
+    for (i = 0, j = 0, group = NULL; i < NumSystemGroups; i ++)
+    {
+      group = getgrnam(SystemGroups[i]);
+      endgrent();
+
+      if (group != NULL)
+      {
+	for (j = 0; group->gr_mem[j]; j ++)
+          if (strcasecmp(username, group->gr_mem[j]) == 0)
+	    break;
+
+        if (group->gr_mem[j])
+	  break;
+      }
+      else
+	j = 0;
+    }
+
+    if (user == NULL || group == NULL ||
+        (group->gr_mem[j] == NULL && group->gr_gid != user->pw_gid))
+    {
+     /*
+      * Username not found, group not found, or user is not part of the
+      * system group...
+      */
+
+      return (0);
+    }
+  }
+
+  return (1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/job.c b/scheduler/job.c
new file mode 100644
index 000000000..f1bbbb463
--- /dev/null
+++ b/scheduler/job.c
@@ -0,0 +1,2997 @@
+/*
+ * "$Id$"
+ *
+ *   Job management routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddJob()             - Add a new job to the job queue...
+ *   CancelJob()          - Cancel the specified print job.
+ *   CancelJobs()         - Cancel all jobs on the given printer or class.
+ *   CheckJobs()          - Check the pending jobs and start any if the
+ *                          destination is available.
+ *   CleanJobs()          - Clean out old jobs.
+ *   FindJob()            - Find the specified job.
+ *   GetPrinterJobCount() - Get the number of pending, processing,
+ *                          or held jobs in a printer or class.
+ *   GetUserJobCount()    - Get the number of pending, processing,
+ *                          or held jobs for a user.
+ *   HoldJob()            - Hold the specified job.
+ *   LoadAllJobs()        - Load all jobs from disk.
+ *   LoadJob()            - Load a job from disk.
+ *   MoveJob()            - Move the specified job to a different
+ *                          destination.
+ *   ReleaseJob()         - Release the specified job.
+ *   RestartJob()         - Restart the specified job.
+ *   SaveJob()            - Save a job to disk.
+ *   SetJobHoldUntil()    - Set the hold time for a job...
+ *   SetJobPriority()     - Set the priority of a job, moving it up/down
+ *                          in the list as needed.
+ *   StartJob()           - Start a print job.
+ *   StopAllJobs()        - Stop all print jobs.
+ *   StopJob()            - Stop a print job.
+ *   UpdateJob()          - Read a status update from a job's filters.
+ *   ipp_read_file()      - Read an IPP request from a file.
+ *   ipp_write_file()     - Write an IPP request to a file.
+ *   start_process()      - Start a background process.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <grp.h>
+
+
+/*
+ * Local functions...
+ */
+
+static ipp_state_t	ipp_read_file(const char *filename, ipp_t *ipp);
+static ipp_state_t	ipp_write_file(const char *filename, ipp_t *ipp);
+static void		set_time(job_t *job, const char *name);
+static int		start_process(const char *command, char *argv[],
+			              char *envp[], int in, int out, int err,
+				      int root);
+
+
+/*
+ * 'AddJob()' - Add a new job to the job queue...
+ */
+
+job_t *				/* O - New job record */
+AddJob(int        priority,	/* I - Job priority */
+       const char *dest)	/* I - Job destination */
+{
+  job_t	*job,			/* New job record */
+	*current,		/* Current job in queue */
+	*prev;			/* Previous job in queue */
+
+
+  job = calloc(sizeof(job_t), 1);
+
+  job->id       = NextJobId ++;
+  job->priority = priority;
+  strncpy(job->dest, dest, sizeof(job->dest) - 1);
+
+  NumJobs ++;
+
+  for (current = Jobs, prev = NULL;
+       current != NULL;
+       prev = current, current = current->next)
+    if (job->priority > current->priority)
+      break;
+
+  job->next = current;
+  if (prev != NULL)
+    prev->next = job;
+  else
+    Jobs = job;
+
+  return (job);
+}
+
+
+/*
+ * 'CancelJob()' - Cancel the specified print job.
+ */
+
+void
+CancelJob(int id,		/* I - Job to cancel */
+          int purge)		/* I - Purge jobs? */
+{
+  int	i;			/* Looping var */
+  job_t	*current,		/* Current job */
+	*prev;			/* Previous job in list */
+  char	filename[1024];		/* Job filename */
+
+
+  LogMessage(L_DEBUG, "CancelJob: id = %d", id);
+
+  for (current = Jobs, prev = NULL; current != NULL; prev = current, current = current->next)
+    if (current->id == id)
+    {
+     /*
+      * Stop any processes that are working on the current...
+      */
+
+      DEBUG_puts("CancelJob: found job in list.");
+
+      if (current->state->values[0].integer == IPP_JOB_PROCESSING)
+	StopJob(current->id, 0);
+
+      current->state->values[0].integer = IPP_JOB_CANCELLED;
+
+      set_time(current, "time-at-completed");
+
+     /*
+      * Remove the print file for good if we aren't preserving jobs or
+      * files...
+      */
+
+      current->current_file = 0;
+
+      if (!JobHistory || !JobFiles || purge)
+        for (i = 1; i <= current->num_files; i ++)
+	{
+	  snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot,
+	           current->id, i);
+          unlink(filename);
+	}
+
+      if (JobHistory && !purge)
+      {
+       /*
+        * Save job state info...
+	*/
+
+        SaveJob(current->id);
+      }
+      else
+      {
+       /*
+        * Remove the job info file...
+	*/
+
+	snprintf(filename, sizeof(filename), "%s/c%05d", RequestRoot,
+	         current->id);
+	unlink(filename);
+
+       /*
+        * Update pointers if we aren't preserving jobs...
+        */
+
+        if (prev == NULL)
+          Jobs = current->next;
+        else
+          prev->next = current->next;
+
+       /*
+        * Free all memory used...
+        */
+
+        if (current->attrs != NULL)
+          ippDelete(current->attrs);
+
+        free(current->filetypes);
+
+        free(current);
+
+	NumJobs --;
+      }
+
+      return;
+    }
+}
+
+
+/*
+ * 'CancelJobs()' - Cancel all jobs on the given printer or class.
+ */
+
+void
+CancelJobs(const char *dest)	/* I - Destination to cancel */
+{
+  job_t	*current;		/* Current job */
+
+
+  for (current = Jobs; current != NULL;)
+    if (strcmp(current->dest, dest) == 0)
+    {
+     /*
+      * Cancel all jobs matching this destination...
+      */
+
+      CancelJob(current->id, 1);
+
+      current = Jobs;
+    }
+    else
+      current = current->next;
+
+  CheckJobs();
+}
+
+
+/*
+ * 'CheckJobs()' - Check the pending jobs and start any if the destination
+ *                 is available.
+ */
+
+void
+CheckJobs(void)
+{
+  job_t		*current,	/* Current job in queue */
+		*next;		/* Next job in queue */
+  printer_t	*printer,	/* Printer destination */
+		*pclass;	/* Printer class destination */
+
+
+  DEBUG_puts("CheckJobs()");
+
+  for (current = Jobs; current != NULL; current = next)
+  {
+   /*
+    * Save next pointer in case the job is cancelled en-route.
+    */
+
+    next = current->next;
+
+   /*
+    * Start held jobs if they are ready...
+    */
+
+    if (current->state->values[0].integer == IPP_JOB_HELD &&
+        current->hold_until &&
+	current->hold_until < time(NULL))
+      current->state->values[0].integer = IPP_JOB_PENDING;
+
+   /*
+    * Start pending jobs if the destination is available...
+    */
+
+    if (current->state->values[0].integer == IPP_JOB_PENDING)
+    {
+      if ((pclass = FindClass(current->dest)) != NULL)
+      {
+       /*
+        * If the class is remote, just pass it to the remote server...
+	*/
+
+        if (pclass->type & CUPS_PRINTER_REMOTE)
+	  printer = pclass;
+	else if (pclass->state != IPP_PRINTER_STOPPED)
+	  printer = FindAvailablePrinter(current->dest);
+	else
+	  printer = NULL;
+      }
+      else
+        printer = FindPrinter(current->dest);
+
+      if (printer != NULL && (printer->type & CUPS_PRINTER_IMPLICIT))
+      {
+       /*
+        * Handle implicit classes...
+	*/
+
+        pclass = printer;
+
+	if (pclass->state != IPP_PRINTER_STOPPED)
+	  printer = FindAvailablePrinter(current->dest);
+	else
+	  printer = NULL;
+      }
+
+      if (printer == NULL && pclass == NULL)
+      {
+       /*
+        * Whoa, the printer and/or class for this destination went away;
+	* cancel the job...
+	*/
+
+        LogMessage(L_WARN, "Printer/class %s has gone away; cancelling job %d!",
+	           current->dest, current->id);
+        CancelJob(current->id, 1);
+      }
+      else if (printer != NULL)
+      {
+       /*
+        * See if the printer is available or remote and not printing a job;
+	* if so, start the job...
+	*/
+
+        if (printer->state == IPP_PRINTER_IDLE ||	/* Printer is idle */
+	    ((printer->type & CUPS_PRINTER_REMOTE) &&	/* Printer is remote */
+	     !printer->job))				/* and not printing a job */
+	  StartJob(current->id, printer);
+      }
+    }
+  }
+}
+
+
+/*
+ * 'CleanJobs()' - Clean out old jobs.
+ */
+
+void
+CleanJobs(void)
+{
+  job_t	*job,		/* Current job */
+	*next;		/* Next job */
+
+
+  if (MaxJobs == 0)
+    return;
+
+  for (job = Jobs; job && NumJobs >= MaxJobs; job = next)
+  {
+    next = job->next;
+
+    if (job->state->values[0].integer >= IPP_JOB_CANCELLED)
+      CancelJob(job->id, 1);
+  }
+}
+
+
+/*
+ * 'FindJob()' - Find the specified job.
+ */
+
+job_t *				/* O - Job data */
+FindJob(int id)			/* I - Job ID */
+{
+  job_t	*current;		/* Current job */
+
+
+  for (current = Jobs; current != NULL; current = current->next)
+    if (current->id == id)
+      break;
+
+  return (current);
+}
+
+
+/*
+ * 'GetPrinterJobCount()' - Get the number of pending, processing,
+ *                          or held jobs in a printer or class.
+ */
+
+int					/* O - Job count */
+GetPrinterJobCount(const char *dest)	/* I - Printer or class name */
+{
+  int	count;				/* Job count */
+  job_t	*job;				/* Current job */
+
+
+  for (job = Jobs, count = 0; job != NULL; job = job->next)
+    if (job->state->values[0].integer <= IPP_JOB_PROCESSING &&
+        strcasecmp(job->dest, dest) == 0)
+      count ++;
+
+  return (count);
+}
+
+
+/*
+ * 'GetUserJobCount()' - Get the number of pending, processing,
+ *                       or held jobs for a user.
+ */
+
+int					/* O - Job count */
+GetUserJobCount(const char *username)	/* I - Username */
+{
+  int	count;				/* Job count */
+  job_t	*job;				/* Current job */
+
+
+  for (job = Jobs, count = 0; job != NULL; job = job->next)
+    if (job->state->values[0].integer <= IPP_JOB_PROCESSING &&
+        strcmp(job->username, username) == 0)
+      count ++;
+
+  return (count);
+}
+
+
+/*
+ * 'HoldJob()' - Hold the specified job.
+ */
+
+void
+HoldJob(int id)			/* I - Job ID */
+{
+  job_t	*job;			/* Job data */
+
+
+  LogMessage(L_DEBUG, "HoldJob: id = %d", id);
+
+  if ((job = FindJob(id)) == NULL)
+    return;
+
+  if (job->state->values[0].integer == IPP_JOB_PROCESSING)
+    StopJob(id, 0);
+
+  DEBUG_puts("HoldJob: setting state to held...");
+
+  job->state->values[0].integer = IPP_JOB_HELD;
+
+  SaveJob(id);
+
+  CheckJobs();
+}
+
+
+/*
+ * 'LoadAllJobs()' - Load all jobs from disk.
+ */
+
+void
+LoadAllJobs(void)
+{
+  DIR		*dir;		/* Directory */
+  DIRENT	*dent;		/* Directory entry */
+  char		filename[1024];	/* Full filename of job file */
+  job_t		*job,		/* New job */
+		*current,	/* Current job */
+		*prev;		/* Previous job */
+  int		jobid,		/* Current job ID */
+		fileid;		/* Current file ID */
+  ipp_attribute_t *attr;	/* Job attribute */
+  char		method[HTTP_MAX_URI],
+				/* Method portion of URI */
+		username[HTTP_MAX_URI],
+				/* Username portion of URI */
+		host[HTTP_MAX_URI],
+				/* Host portion of URI */
+		resource[HTTP_MAX_URI];
+				/* Resource portion of URI */
+  int		port;		/* Port portion of URI */
+  printer_t	*p;		/* Printer or class */
+  const char	*dest;		/* Destination */
+  mime_type_t	**filetypes;	/* New filetypes array */
+
+
+ /*
+  * First open the requests directory...
+  */
+
+  if ((dir = opendir(RequestRoot)) == NULL)
+    return;
+
+ /*
+  * Read all the c##### files...
+  */
+
+  while ((dent = readdir(dir)) != NULL)
+    if (NAMLEN(dent) == 6 && dent->d_name[0] == 'c')
+    {
+     /*
+      * Allocate memory for the job...
+      */
+
+      if ((job = calloc(sizeof(job_t), 1)) == NULL)
+      {
+        LogMessage(L_ERROR, "LoadAllJobs: Ran out of memory for jobs!");
+	closedir(dir);
+	return;
+      }
+
+      if ((job->attrs = ippNew()) == NULL)
+      {
+        free(job);
+        LogMessage(L_ERROR, "LoadAllJobs: Ran out of memory for job attributes!");
+	closedir(dir);
+	return;
+      }
+
+     /*
+      * Assign the job ID...
+      */
+
+      job->id = atoi(dent->d_name + 1);
+
+      if (job->id >= NextJobId)
+        NextJobId = job->id + 1;
+
+     /*
+      * Load the job control file...
+      */
+
+      snprintf(filename, sizeof(filename), "%s/%s", RequestRoot, dent->d_name);
+      if (ipp_read_file(filename, job->attrs) != IPP_DATA)
+      {
+        LogMessage(L_ERROR, "LoadAllJobs: Unable to read job control file \"%s\"!",
+	           filename);
+	ippDelete(job->attrs);
+	free(job);
+	unlink(filename);
+	continue;
+      }
+
+      if ((attr = ippFindAttribute(job->attrs, "job-printer-uri", IPP_TAG_URI)) == NULL)
+      {
+        LogMessage(L_ERROR, "LoadAllJobs: No job-printer-uri attribute in control file \"%s\"!",
+	           filename);
+	ippDelete(job->attrs);
+	free(job);
+	unlink(filename);
+	continue;
+      }
+
+      httpSeparate(attr->values[0].string.text, method, username, host,
+                   &port, resource);
+
+      if ((dest = ValidateDest(host, resource, &(job->dtype))) == NULL)
+      {
+       /*
+	* Job queued on remote printer or class, so add it...
+	*/
+
+	if (strncmp(resource, "/classes/", 9) == 0)
+	{
+	  p = AddClass(resource + 9);
+	  strcpy(p->make_model, "Remote Class on unknown");
+	}
+	else
+	{
+	  p = AddPrinter(resource + 10);
+	  strcpy(p->make_model, "Remote Printer on unknown");
+	}
+
+        p->state       = IPP_PRINTER_STOPPED;
+	p->type        |= CUPS_PRINTER_REMOTE;
+	p->browse_time = 2147483647;
+
+	strcpy(p->location, "Location Unknown");
+	strcpy(p->info, "No Information Available");
+	p->hostname[0] = '\0';
+
+	SetPrinterAttrs(p);
+	dest = p->name;
+      }
+
+      if (dest == NULL)
+      {
+        LogMessage(L_ERROR, "LoadAllJobs: Unable to queue job for destination \"%s\"!",
+	           attr->values[0].string.text);
+	ippDelete(job->attrs);
+	free(job);
+	unlink(filename);
+	continue;
+      }
+
+      strncpy(job->dest, dest, sizeof(job->dest) - 1);
+
+      job->sheets     = ippFindAttribute(job->attrs, "job-media-sheets-completed",
+                                         IPP_TAG_INTEGER);
+      job->state      = ippFindAttribute(job->attrs, "job-state", IPP_TAG_ENUM);
+      job->job_sheets = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_NAME);
+
+      attr = ippFindAttribute(job->attrs, "job-priority", IPP_TAG_INTEGER);
+      job->priority = attr->values[0].integer;
+
+      attr = ippFindAttribute(job->attrs, "job-name", IPP_TAG_NAME);
+      strncpy(job->title, attr->values[0].string.text,
+              sizeof(job->title) - 1);
+
+      attr = ippFindAttribute(job->attrs, "job-originating-user-name", IPP_TAG_NAME);
+      strncpy(job->username, attr->values[0].string.text,
+              sizeof(job->username) - 1);
+
+      if (job->state->values[0].integer == IPP_JOB_HELD)
+      {
+	if ((attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD)) == NULL)
+          attr = ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME);
+
+        if (attr == NULL)
+          job->state->values[0].integer = IPP_JOB_PENDING;
+	else
+          SetJobHoldUntil(job->id, attr->values[0].string.text);
+      }
+      else if (job->state->values[0].integer == IPP_JOB_PROCESSING)
+        job->state->values[0].integer = IPP_JOB_PENDING;
+
+     /*
+      * Insert the job into the array, sorting by job priority and ID...
+      */
+
+      for (current = Jobs, prev = NULL;
+           current != NULL;
+	   prev = current, current = current->next)
+	if (job->priority > current->priority)
+	  break;
+	else if (job->priority == current->priority && job->id < current->id)
+	  break;
+
+      job->next = current;
+      if (prev != NULL)
+	prev->next = job;
+      else
+	Jobs = job;
+
+      NumJobs ++;
+    }
+
+ /*
+  * Read all the d##### files...
+  */
+
+  rewinddir(dir);
+
+  while ((dent = readdir(dir)) != NULL)
+    if (NAMLEN(dent) > 7 && dent->d_name[0] == 'd')
+    {
+     /*
+      * Find the job...
+      */
+
+      jobid  = atoi(dent->d_name + 1);
+      fileid = atoi(dent->d_name + 7);
+
+      snprintf(filename, sizeof(filename), "%s/%s", RequestRoot, dent->d_name);
+
+      if ((job = FindJob(jobid)) == NULL)
+      {
+        LogMessage(L_ERROR, "LoadAllJobs: Orphaned print file \"%s\"!",
+	           filename);
+        unlink(filename);
+	continue;
+      }
+
+      if (fileid > job->num_files)
+      {
+        if (job->num_files == 0)
+	  filetypes = (mime_type_t **)calloc(sizeof(mime_type_t *), fileid);
+	else
+	  filetypes = (mime_type_t **)realloc(job->filetypes,
+	                                    sizeof(mime_type_t *) * fileid);
+
+        if (filetypes == NULL)
+	{
+          LogMessage(L_ERROR, "LoadAllJobs: Ran out of memory for job file types!");
+	  continue;
+	}
+
+        job->filetypes = filetypes;
+	job->num_files = fileid;
+      }
+
+      job->filetypes[fileid - 1] = mimeFileType(MimeDatabase, filename);
+
+      if (job->filetypes[fileid - 1] == NULL)
+        job->filetypes[fileid - 1] = mimeType(MimeDatabase, "application",
+	                                      "vnd.cups-raw");
+    }
+
+  closedir(dir);
+
+ /*
+  * Clean out old jobs as needed...
+  */
+
+  CleanJobs();
+
+ /*
+  * Check to see if we need to start any jobs...
+  */
+
+  CheckJobs();
+}
+
+
+/*
+ * 'MoveJob()' - Move the specified job to a different destination.
+ */
+
+void
+MoveJob(int        id,		/* I - Job ID */
+        const char *dest)	/* I - Destination */
+{
+  job_t			*current;/* Current job */
+  ipp_attribute_t	*attr;	/* job-printer-uri attribute */
+  printer_t		*p;	/* Destination printer or class */
+
+
+  if ((p = FindPrinter(dest)) == NULL)
+    p = FindClass(dest);
+
+  if (p == NULL)
+    return;
+
+  for (current = Jobs; current != NULL; current = current->next)
+    if (current->id == id)
+    {
+      if (current->state->values[0].integer >= IPP_JOB_PROCESSING)
+        break;
+
+      strncpy(current->dest, dest, sizeof(current->dest) - 1);
+      current->dtype = p->type & CUPS_PRINTER_CLASS;
+
+      if ((attr = ippFindAttribute(current->attrs, "job-printer-uri", IPP_TAG_URI)) != NULL)
+      {
+        free(attr->values[0].string.text);
+	attr->values[0].string.text = strdup(p->uri);
+      }
+
+      SaveJob(current->id);
+
+      return;
+    }
+}
+
+
+/*
+ * 'ReleaseJob()' - Release the specified job.
+ */
+
+void
+ReleaseJob(int id)		/* I - Job ID */
+{
+  job_t	*job;			/* Job data */
+
+
+  LogMessage(L_DEBUG, "ReleaseJob: id = %d", id);
+
+  if ((job = FindJob(id)) == NULL)
+    return;
+
+  if (job->state->values[0].integer == IPP_JOB_HELD)
+  {
+    DEBUG_puts("ReleaseJob: setting state to pending...");
+
+    job->state->values[0].integer = IPP_JOB_PENDING;
+    SaveJob(id);
+    CheckJobs();
+  }
+}
+
+
+/*
+ * 'RestartJob()' - Restart the specified job.
+ */
+
+void
+RestartJob(int id)		/* I - Job ID */
+{
+  job_t	*job;			/* Job data */
+
+
+  if ((job = FindJob(id)) == NULL)
+    return;
+
+  if (job->state->values[0].integer == IPP_JOB_STOPPED || JobFiles)
+  {
+    job->state->values[0].integer = IPP_JOB_PENDING;
+    SaveJob(id);
+    CheckJobs();
+  }
+}
+
+
+/*
+ * 'SaveJob()' - Save a job to disk.
+ */
+
+void
+SaveJob(int id)			/* I - Job ID */
+{
+  job_t	*job;			/* Pointer to job */
+  char	filename[1024];		/* Job control filename */
+
+
+  if ((job = FindJob(id)) == NULL)
+    return;
+
+  snprintf(filename, sizeof(filename), "%s/c%05d", RequestRoot, id);
+  ipp_write_file(filename, job->attrs);
+}
+
+
+/*
+ * 'SetJobHoldUntil()' - Set the hold time for a job...
+ */
+
+void
+SetJobHoldUntil(int        id,		/* I - Job ID */
+                const char *when)	/* I - When to resume */
+{
+  job_t		*job;			/* Pointer to job */
+  time_t	curtime;		/* Current time */
+  struct tm	*curdate;		/* Current date */
+  int		hour;			/* Hold hour */
+  int		minute;			/* Hold minute */
+  int		second;			/* Hold second */
+
+
+  LogMessage(L_DEBUG, "SetJobHoldUntil(%d, \"%s\")", id, when);
+
+  if ((job = FindJob(id)) == NULL)
+    return;
+
+  second = 0;
+
+  if (strcmp(when, "indefinite") == 0)
+  {
+   /*
+    * Hold indefinitely...
+    */
+
+    job->hold_until = 0;
+  }
+  else if (strcmp(when, "day-time") == 0)
+  {
+   /*
+    * Hold to 6am the next morning unless local time is < 6pm.
+    */
+
+    curtime = time(NULL);
+    curdate = localtime(&curtime);
+
+    if (curdate->tm_hour < 18)
+      job->hold_until = curtime;
+    else
+      job->hold_until = curtime +
+                        ((29 - curdate->tm_hour) * 60 + 59 -
+			 curdate->tm_min) * 60 + 60 - curdate->tm_sec;
+  }
+  else if (strcmp(when, "evening") == 0 || strcmp(when, "night") == 0)
+  {
+   /*
+    * Hold to 6pm unless local time is > 6pm or < 6am.
+    */
+
+    curtime = time(NULL);
+    curdate = localtime(&curtime);
+
+    if (curdate->tm_hour < 6 || curdate->tm_hour >= 18)
+      job->hold_until = curtime;
+    else
+      job->hold_until = curtime +
+                        ((17 - curdate->tm_hour) * 60 + 59 -
+			 curdate->tm_min) * 60 + 60 - curdate->tm_sec;
+  }  
+  else if (strcmp(when, "second-shift") == 0)
+  {
+   /*
+    * Hold to 4pm unless local time is > 4pm.
+    */
+
+    curtime = time(NULL);
+    curdate = localtime(&curtime);
+
+    if (curdate->tm_hour >= 16)
+      job->hold_until = curtime;
+    else
+      job->hold_until = curtime +
+                        ((15 - curdate->tm_hour) * 60 + 59 -
+			 curdate->tm_min) * 60 + 60 - curdate->tm_sec;
+  }  
+  else if (strcmp(when, "third-shift") == 0)
+  {
+   /*
+    * Hold to 12am unless local time is < 8am.
+    */
+
+    curtime = time(NULL);
+    curdate = localtime(&curtime);
+
+    if (curdate->tm_hour < 8)
+      job->hold_until = curtime;
+    else
+      job->hold_until = curtime +
+                        ((23 - curdate->tm_hour) * 60 + 59 -
+			 curdate->tm_min) * 60 + 60 - curdate->tm_sec;
+  }  
+  else if (strcmp(when, "weekend") == 0)
+  {
+   /*
+    * Hold to weekend unless we are in the weekend.
+    */
+
+    curtime = time(NULL);
+    curdate = localtime(&curtime);
+
+    if (curdate->tm_wday == 0 || curdate->tm_wday == 6)
+      job->hold_until = curtime;
+    else
+      job->hold_until = curtime +
+                        (((5 - curdate->tm_wday) * 24 +
+                          (17 - curdate->tm_hour)) * 60 + 59 -
+			   curdate->tm_min) * 60 + 60 - curdate->tm_sec;
+  }  
+  else if (sscanf(when, "%d:%d:%d", &hour, &minute, &second) >= 2)
+  {
+   /*
+    * Hold to specified GMT time (HH:MM or HH:MM:SS)...
+    */
+
+    curtime = time(NULL);
+    curdate = gmtime(&curtime);
+
+    job->hold_until = curtime +
+                      ((hour - curdate->tm_hour) * 60 + minute -
+		       curdate->tm_min) * 60 + second - curdate->tm_sec;
+
+   /*
+    * Hold until next day as needed...
+    */
+
+    if (job->hold_until < curtime)
+      job->hold_until += 24 * 60 * 60 * 60;
+  }
+
+  LogMessage(L_DEBUG, "SetJobHoldUntil: hold_until = %d", job->hold_until);
+}
+
+
+/*
+ * 'SetJobPriority()' - Set the priority of a job, moving it up/down in the
+ *                      list as needed.
+ */
+
+void
+SetJobPriority(int id,		/* I - Job ID */
+               int priority)	/* I - New priority (0 to 100) */
+{
+  job_t		*job,		/* Job to change */
+		*current,	/* Current job */
+		*prev;		/* Previous job */
+  ipp_attribute_t *attr;	/* Job attribute */
+
+
+ /*
+  * Find the job...
+  */
+
+  for (current = Jobs, prev = NULL;
+       current != NULL;
+       prev = current, current = current->next)
+    if (current->id == id)
+      break;
+
+  if (current == NULL)
+    return;
+
+ /*
+  * Set the new priority...
+  */
+
+  job = current;
+  job->priority = priority;
+
+  if ((attr = ippFindAttribute(job->attrs, "job-priority", IPP_TAG_INTEGER)) != NULL)
+    attr->values[0].integer = priority;
+  else
+    ippAddInteger(job->attrs, IPP_TAG_JOB, IPP_TAG_INTEGER, "job-priority",
+                  priority);
+
+  SaveJob(job->id);
+
+ /*
+  * See if we need to do any sorting...
+  */
+
+  if ((prev == NULL || job->priority < prev->priority) &&
+      (job->next == NULL || job->next->priority < job->priority))
+    return;
+
+ /*
+  * Remove the job from the list, and then insert it where it belongs...
+  */
+
+  if (prev == NULL)
+    Jobs = job->next;
+  else
+    prev->next = job->next;
+
+  for (current = Jobs, prev = NULL;
+       current != NULL;
+       prev = current, current = current->next)
+    if (job->priority > current->priority)
+      break;
+
+  job->next = current;
+  if (prev != NULL)
+    prev->next = job;
+  else
+    Jobs = job;
+}
+
+
+/*
+ * 'StartJob()' - Start a print job.
+ */
+
+void
+StartJob(int       id,		/* I - Job ID */
+         printer_t *printer)	/* I - Printer to print job */
+{
+  job_t		*current;	/* Current job */
+  int		i;		/* Looping var */
+  int		slot;		/* Pipe slot */
+  int		num_filters;	/* Number of filters for job */
+  mime_filter_t	*filters;	/* Filters for job */
+  char		method[255],	/* Method for output */
+		*optptr;	/* Pointer to options */
+  ipp_attribute_t *attr;	/* Current attribute */
+  int		pid;		/* Process ID of new filter process */
+  int		banner_page;	/* 1 if banner page, 0 otherwise */
+  int		statusfds[2],	/* Pipes used between the filters and scheduler */
+		filterfds[2][2];/* Pipes used between the filters */
+  char		*argv[8],	/* Filter command-line arguments */
+		filename[1024],	/* Job filename */
+		command[1024],	/* Full path to filter/backend command */
+		jobid[255],	/* Job ID string */
+		title[IPP_MAX_NAME],
+				/* Job title string */
+		copies[255],	/* # copies string */
+		options[16384],	/* Full list of options */
+		*envp[20],	/* Environment variables */
+		path[1024],	/* PATH environment variable */
+		language[255],	/* LANG environment variable */
+		charset[255],	/* CHARSET environment variable */
+		classification[1024],	/* CLASSIFICATION environment variable */
+		content_type[255],/* CONTENT_TYPE environment variable */
+		device_uri[1024],/* DEVICE_URI environment variable */
+		ppd[1024],	/* PPD environment variable */
+		printer_name[255],/* PRINTER environment variable */
+		root[1024],	/* CUPS_SERVERROOT environment variable */
+		cache[255],	/* RIP_MAX_CACHE environment variable */
+		tmpdir[1024],	/* TMPDIR environment variable */
+		ldpath[1024],	/* LD_LIBRARY_PATH environment variable */
+		datadir[1024],	/* CUPS_DATADIR environment variable */
+		fontpath[1050];	/* CUPS_FONTPATH environment variable */
+
+
+  LogMessage(L_DEBUG, "StartJob(%d, %08x)", id, printer);
+
+  for (current = Jobs; current != NULL; current = current->next)
+    if (current->id == id)
+      break;
+
+  if (current == NULL)
+    return;
+
+  LogMessage(L_DEBUG, "StartJob() id = %d, file = %d/%d", id,
+             current->current_file, current->num_files);
+
+  if (current->num_files == 0)
+  {
+    LogMessage(L_ERROR, "Job ID %d has no files!  Cancelling it!", id);
+    CancelJob(id, 0);
+    return;
+  }
+
+ /*
+  * Figure out what filters are required to convert from
+  * the source to the destination type...
+  */
+
+  num_filters   = 0;
+  current->cost = 0;
+
+  if (printer->type & CUPS_PRINTER_REMOTE)
+  {
+   /*
+    * Remote jobs go directly to the remote job...
+    */
+
+    filters = NULL;
+  }
+  else
+  {
+   /*
+    * Local jobs get filtered...
+    */
+
+    filters = mimeFilter(MimeDatabase, current->filetypes[current->current_file],
+                         printer->filetype, &num_filters);
+
+    if (num_filters == 0)
+    {
+      LogMessage(L_ERROR, "Unable to convert file %d to printable format for job %d!",
+	         current->current_file, current->id);
+      current->current_file ++;
+
+      if (current->current_file == current->num_files)
+        CancelJob(current->id, 0);
+
+      return;
+    }
+
+   /*
+    * Remove NULL ("-") filters...
+    */
+
+    for (i = 0; i < num_filters;)
+      if (strcmp(filters[i].filter, "-") == 0)
+      {
+        num_filters --;
+	if (i < num_filters)
+	  memcpy(filters + i, filters + i + 1,
+	         (num_filters - i) * sizeof(mime_filter_t));
+      }
+      else
+        i ++;
+
+    if (num_filters == 0)
+    {
+      free(filters);
+      filters = NULL;
+    }
+    else
+    {
+     /*
+      * Compute filter cost...
+      */
+
+      for (i = 0; i < num_filters; i ++)
+	current->cost += filters[i].cost;
+    }
+  }
+
+ /*
+  * See if the filter cost is too high...
+  */
+
+  if ((FilterLevel + current->cost) > FilterLimit && FilterLevel > 0 &&
+      FilterLimit > 0)
+  {
+   /*
+    * Don't print this job quite yet...
+    */
+
+    if (filters != NULL)
+      free(filters);
+
+    LogMessage(L_INFO, "Holding job %d because filter limit has been reached.",
+               id);
+    LogMessage(L_DEBUG, "StartJob: id = %d, file = %d, "
+                        "cost = %d, level = %d, limit = %d",
+               id, current->current_file, current->cost, FilterLevel,
+	       FilterLimit);
+    return;
+  }
+
+  FilterLevel += current->cost;
+
+ /*
+  * Update the printer and job state to "processing"...
+  */
+
+  current->state->values[0].integer = IPP_JOB_PROCESSING;
+  current->status  = 0;
+  current->printer = printer;
+  printer->job     = current;
+  SetPrinterState(printer, IPP_PRINTER_PROCESSING);
+
+  if (current->current_file == 0)
+    set_time(current, "time-at-processing");
+
+ /*
+  * Determine if we are printing a banner page or not...
+  */
+
+  if (current->job_sheets == NULL)
+  {
+    LogMessage(L_DEBUG, "No job-sheets attribute.");
+    if ((current->job_sheets =
+         ippFindAttribute(current->attrs, "job-sheets", IPP_TAG_ZERO)) != NULL)
+      LogMessage(L_DEBUG, "... but someone added one without setting job_sheets!");
+  }
+  else if (current->job_sheets->num_values == 1)
+    LogMessage(L_DEBUG, "job-sheets=%s",
+               current->job_sheets->values[0].string.text);
+  else
+    LogMessage(L_DEBUG, "job-sheets=%s,%s",
+               current->job_sheets->values[0].string.text,
+               current->job_sheets->values[1].string.text);
+
+  if (printer->type & CUPS_PRINTER_REMOTE)
+    banner_page = 0;
+  else if (current->job_sheets == NULL)
+    banner_page = 0;
+  else if (strcasecmp(current->job_sheets->values[0].string.text, "none") != 0 &&
+	   current->current_file == 0)
+    banner_page = 1;
+  else if (current->job_sheets->num_values > 1 &&
+	   strcasecmp(current->job_sheets->values[1].string.text, "none") != 0 &&
+	   current->current_file == (current->num_files - 1))
+    banner_page = 1;
+  else
+    banner_page = 0;
+
+  LogMessage(L_DEBUG, "banner_page = %d", banner_page);
+
+ /*
+  * Building the options string is harder than it needs to be, but
+  * for the moment we need to pass strings for command-line args and
+  * not IPP attribute pointers... :)
+  */
+
+  optptr  = options;
+  *optptr = '\0';
+
+  snprintf(title, sizeof(title), "%s-%d", printer->name, current->id);
+  strcpy(copies, "1");
+
+  for (attr = current->attrs->attrs; attr != NULL; attr = attr->next)
+  {
+    if (strcmp(attr->name, "copies") == 0 &&
+	attr->value_tag == IPP_TAG_INTEGER)
+    {
+     /*
+      * Don't use the # copies attribute if we are printing the job sheets...
+      */
+
+      if (!banner_page)
+        sprintf(copies, "%d", attr->values[0].integer);
+    }
+    else if (strcmp(attr->name, "job-name") == 0 &&
+	     (attr->value_tag == IPP_TAG_NAME ||
+	      attr->value_tag == IPP_TAG_NAMELANG))
+    {
+      strncpy(title, attr->values[0].string.text, sizeof(title) - 1);
+      title[sizeof(title) - 1] = '\0';
+    }
+    else if (attr->group_tag == IPP_TAG_JOB)
+    {
+     /*
+      * Filter out other unwanted attributes...
+      */
+
+      if (attr->value_tag == IPP_TAG_MIMETYPE ||
+	  attr->value_tag == IPP_TAG_NAMELANG ||
+	  attr->value_tag == IPP_TAG_TEXTLANG ||
+	  attr->value_tag == IPP_TAG_URI ||
+	  attr->value_tag == IPP_TAG_URISCHEME)
+	continue;
+
+      if (strncmp(attr->name, "time-", 5) == 0)
+	continue;
+
+      if (strncmp(attr->name, "job-", 4) == 0 &&
+          !(printer->type & CUPS_PRINTER_REMOTE))
+	continue;
+
+      if (strncmp(attr->name, "job-", 4) == 0 &&
+          strcmp(attr->name, "job-billing") != 0 &&
+          strcmp(attr->name, "job-sheets") != 0 &&
+          strcmp(attr->name, "job-hold-until") != 0 &&
+	  strcmp(attr->name, "job-priority") != 0)
+	continue;
+
+      if (strcmp(attr->name, "page-label") == 0 &&
+	  banner_page)
+        continue;
+
+     /*
+      * Otherwise add them to the list...
+      */
+
+      if (optptr > options)
+	strncat(optptr, " ", sizeof(options) - (optptr - options) - 1);
+
+      if (attr->value_tag != IPP_TAG_BOOLEAN)
+      {
+	strncat(optptr, attr->name, sizeof(options) - (optptr - options) - 1);
+	strncat(optptr, "=", sizeof(options) - (optptr - options) - 1);
+      }
+
+      for (i = 0; i < attr->num_values; i ++)
+      {
+	if (i)
+	  strncat(optptr, ",", sizeof(options) - (optptr - options) - 1);
+
+	optptr += strlen(optptr);
+
+	switch (attr->value_tag)
+	{
+	  case IPP_TAG_INTEGER :
+	  case IPP_TAG_ENUM :
+	      snprintf(optptr, sizeof(options) - (optptr - options) - 1,
+	               "%d", attr->values[i].integer);
+	      break;
+
+	  case IPP_TAG_BOOLEAN :
+	      if (!attr->values[i].boolean)
+		strncat(optptr, "no", sizeof(options) - (optptr - options) - 1);
+
+	  case IPP_TAG_NOVALUE :
+	      strncat(optptr, attr->name,
+	              sizeof(options) - (optptr - options) - 1);
+	      break;
+
+	  case IPP_TAG_RANGE :
+	      snprintf(optptr, sizeof(options) - (optptr - options) - 1,
+	               "%d-%d", attr->values[i].range.lower,
+		       attr->values[i].range.upper);
+	      break;
+
+	  case IPP_TAG_RESOLUTION :
+	      snprintf(optptr, sizeof(options) - (optptr - options) - 1,
+	               "%dx%d%s", attr->values[i].resolution.xres,
+		       attr->values[i].resolution.yres,
+		       attr->values[i].resolution.units == IPP_RES_PER_INCH ?
+			   "dpi" : "dpc");
+	      break;
+
+          case IPP_TAG_STRING :
+	  case IPP_TAG_TEXT :
+	  case IPP_TAG_NAME :
+	  case IPP_TAG_KEYWORD :
+	  case IPP_TAG_CHARSET :
+	  case IPP_TAG_LANGUAGE :
+	      if (strchr(attr->values[i].string.text, ' ') != NULL ||
+		  strchr(attr->values[i].string.text, '\t') != NULL ||
+		  strchr(attr->values[i].string.text, '\n') != NULL)
+	      {
+		strncat(optptr, "\'", sizeof(options) - (optptr - options) - 1);
+		strncat(optptr, attr->values[i].string.text,
+		        sizeof(options) - (optptr - options) - 1);
+		strncat(optptr, "\'", sizeof(options) - (optptr - options) - 1);
+	      }
+	      else
+		strncat(optptr, attr->values[i].string.text,
+		        sizeof(options) - (optptr - options) - 1);
+	      break;
+
+          default :
+	      break; /* anti-compiler-warning-code */
+	}
+      }
+
+      optptr += strlen(optptr);
+    }
+  }
+
+ /*
+  * Build the command-line arguments for the filters.  Each filter
+  * has 6 or 7 arguments:
+  *
+  *     argv[0] = printer
+  *     argv[1] = job ID
+  *     argv[2] = username
+  *     argv[3] = title
+  *     argv[4] = # copies
+  *     argv[5] = options
+  *     argv[6] = filename (optional; normally stdin)
+  *
+  * This allows legacy printer drivers that use the old System V
+  * printing interface to be used by CUPS.
+  */
+
+  sprintf(jobid, "%d", current->id);
+  snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot,
+           current->id, current->current_file + 1);
+
+  argv[0] = printer->name;
+  argv[1] = jobid;
+  argv[2] = current->username;
+  argv[3] = title;
+  argv[4] = copies;
+  argv[5] = options;
+  argv[6] = filename;
+  argv[7] = NULL;
+
+  LogMessage(L_DEBUG, "StartJob: argv = \"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\"",
+             argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6]);
+
+ /*
+  * Create environment variable strings for the filters...
+  */
+
+  attr = ippFindAttribute(current->attrs, "attributes-natural-language",
+                          IPP_TAG_LANGUAGE);
+  snprintf(language, sizeof(language), "LANG=%s", attr->values[0].string.text);
+
+  attr = ippFindAttribute(current->attrs, "document-format",
+                          IPP_TAG_MIMETYPE);
+  if (attr != NULL &&
+      (optptr = strstr(attr->values[0].string.text, "charset=")) != NULL)
+    snprintf(charset, sizeof(charset), "CHARSET=%s", optptr + 8);
+  else
+  {
+    attr = ippFindAttribute(current->attrs, "attributes-charset",
+	                    IPP_TAG_CHARSET);
+    snprintf(charset, sizeof(charset), "CHARSET=%s",
+             attr->values[0].string.text);
+  }
+
+  snprintf(path, sizeof(path), "PATH=%s/filter:/bin:/usr/bin", ServerBin);
+  snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s/%s",
+           current->filetypes[current->current_file]->super,
+           current->filetypes[current->current_file]->type);
+  snprintf(device_uri, sizeof(device_uri), "DEVICE_URI=%s", printer->device_uri);
+  snprintf(ppd, sizeof(ppd), "PPD=%s/ppd/%s.ppd", ServerRoot, printer->name);
+  snprintf(printer_name, sizeof(printer_name), "PRINTER=%s", printer->name);
+  snprintf(cache, sizeof(cache), "RIP_MAX_CACHE=%s", RIPCache);
+  snprintf(root, sizeof(root), "CUPS_SERVERROOT=%s", ServerRoot);
+  snprintf(tmpdir, sizeof(tmpdir), "TMPDIR=%s", TempDir);
+  snprintf(datadir, sizeof(datadir), "CUPS_DATADIR=%s", DataDir);
+  snprintf(fontpath, sizeof(fontpath), "CUPS_FONTPATH=%s", FontPath);
+  if (Classification[0] && !banner_page)
+  {
+    if ((attr = ippFindAttribute(current->attrs, "job-sheets",
+                                 IPP_TAG_NAME)) == NULL)
+      snprintf(classification, sizeof(classification), "CLASSIFICATION=%s",
+               Classification);
+    else if (attr->num_values > 1 &&
+             strcmp(attr->values[1].string.text, "none") != 0)
+      snprintf(classification, sizeof(classification), "CLASSIFICATION=%s",
+               attr->values[1].string.text);
+    else
+      snprintf(classification, sizeof(classification), "CLASSIFICATION=%s",
+               attr->values[0].string.text);
+  }
+  else
+    classification[0] = '\0';
+  if (getenv("LD_LIBRARY_PATH") != NULL)
+    snprintf(ldpath, sizeof(ldpath), "LD_LIBRARY_PATH=%s", getenv("LD_LIBRARY_PATH"));
+  else
+    ldpath[0] = '\0';
+
+  envp[0]  = path;
+  envp[1]  = "SOFTWARE=CUPS/1.1";
+  envp[2]  = "USER=root";
+  envp[3]  = charset;
+  envp[4]  = language;
+  envp[5]  = TZ;
+  envp[6]  = ppd;
+  envp[7]  = root;
+  envp[8]  = cache;
+  envp[9]  = tmpdir;
+  envp[10] = content_type;
+  envp[11] = device_uri;
+  envp[12] = printer_name;
+  envp[13] = datadir;
+  envp[14] = fontpath;
+  envp[15] = ldpath;
+  envp[16] = classification;
+  envp[17] = NULL;
+
+  LogMessage(L_DEBUG, "StartJob: envp = \"%s\",\"%s\",\"%s\",\"%s\","
+                      "\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\","
+		      "\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\"",
+	     envp[0], envp[1], envp[2], envp[3], envp[4],
+	     envp[5], envp[6], envp[7], envp[8], envp[9],
+	     envp[10], envp[11], envp[12], envp[13], envp[14],
+	     envp[15], envp[16]);
+
+  current->current_file ++;
+
+ /*
+  * Make sure we have a buffer to read status info into...
+  */
+
+  if (current->buffer == NULL)
+  {
+    LogMessage(L_DEBUG2, "UpdateJob: Allocating status buffer...");
+
+    if ((current->buffer = malloc(JOB_BUFFER_SIZE)) == NULL)
+    {
+      LogMessage(L_EMERG, "Unable to allocate memory for job status buffer - %s",
+                 strerror(errno));
+      CancelJob(current->id, 0);
+      return;
+    }
+
+    current->bufused = 0;
+  }
+
+ /*
+  * Now create processes for all of the filters...
+  */
+
+  if (pipe(statusfds))
+  {
+    LogMessage(L_ERROR, "Unable to create job status pipes - %s.",
+	       strerror(errno));
+    snprintf(printer->state_message, sizeof(printer->state_message),
+             "Unable to create status pipes - %s.", strerror(errno));
+    return;
+  }
+
+  LogMessage(L_DEBUG, "StartJob: statusfds = %d, %d",
+             statusfds[0], statusfds[1]);
+
+  current->pipe   = statusfds[0];
+  current->status = 0;
+  memset(current->procs, 0, sizeof(current->procs));
+
+  filterfds[1][0] = open("/dev/null", O_RDONLY);
+  filterfds[1][1] = -1;
+
+  LogMessage(L_DEBUG, "StartJob: filterfds[%d] = %d, %d", 1, filterfds[1][0],
+             filterfds[1][1]);
+
+  for (i = 0, slot = 0; i < num_filters; i ++)
+  {
+    if (filters[i].filter[0] != '/')
+      snprintf(command, sizeof(command), "%s/filter/%s", ServerBin,
+               filters[i].filter);
+    else
+    {
+      strncpy(command, filters[i].filter, sizeof(command) - 1);
+      command[sizeof(command) - 1] = '\0';
+    }
+
+    if (i < (num_filters - 1) ||
+	strncmp(printer->device_uri, "file:", 5) != 0)
+      pipe(filterfds[slot]);
+    else
+    {
+      filterfds[slot][0] = -1;
+      if (strncmp(printer->device_uri, "file:/dev/", 10) == 0)
+	filterfds[slot][1] = open(printer->device_uri + 5,
+	                          O_WRONLY | O_EXCL);
+      else
+	filterfds[slot][1] = open(printer->device_uri + 5,
+	                          O_WRONLY | O_CREAT | O_TRUNC, 0600);
+    }
+
+    LogMessage(L_DEBUG, "StartJob: filter = \"%s\"", command);
+    LogMessage(L_DEBUG, "StartJob: filterfds[%d] = %d, %d",
+               slot, filterfds[slot][0], filterfds[slot][1]);
+
+    pid = start_process(command, argv, envp, filterfds[!slot][0],
+                        filterfds[slot][1], statusfds[1], 0);
+
+    close(filterfds[!slot][0]);
+    close(filterfds[!slot][1]);
+
+    if (pid == 0)
+    {
+      LogMessage(L_ERROR, "Unable to start filter \"%s\" - %s.",
+                 filters[i].filter, strerror(errno));
+      snprintf(printer->state_message, sizeof(printer->state_message),
+               "Unable to start filter \"%s\" - %s.",
+               filters[i].filter, strerror(errno));
+      return;
+    }
+
+    current->procs[i] = pid;
+
+    LogMessage(L_INFO, "Started filter %s (PID %d) for job %d.",
+               command, pid, current->id);
+
+    argv[6] = NULL;
+    slot    = !slot;
+  }
+
+  if (filters != NULL)
+    free(filters);
+
+ /*
+  * Finally, pipe the final output into a backend process if needed...
+  */
+
+  if (strncmp(printer->device_uri, "file:", 5) != 0)
+  {
+    sscanf(printer->device_uri, "%254[^:]", method);
+    snprintf(command, sizeof(command), "%s/backend/%s", ServerBin, method);
+
+    argv[0] = printer->device_uri;
+
+    filterfds[slot][0] = -1;
+    filterfds[slot][1] = open("/dev/null", O_WRONLY);
+
+    LogMessage(L_DEBUG, "StartJob: backend = \"%s\"", command);
+    LogMessage(L_DEBUG, "StartJob: filterfds[%d] = %d, %d",
+               slot, filterfds[slot][0], filterfds[slot][1]);
+
+    pid = start_process(command, argv, envp, filterfds[!slot][0],
+			filterfds[slot][1], statusfds[1], 1);
+
+    close(filterfds[!slot][0]);
+    close(filterfds[!slot][1]);
+
+    if (pid == 0)
+    {
+      LogMessage(L_ERROR, "Unable to start backend \"%s\" - %s.",
+                 method, strerror(errno));
+      snprintf(printer->state_message, sizeof(printer->state_message),
+               "Unable to start backend \"%s\" - %s.", method, strerror(errno));
+      return;
+    }
+    else
+    {
+      current->procs[i] = pid;
+
+      LogMessage(L_INFO, "Started backend %s (PID %d) for job %d.", command, pid,
+                 current->id);
+    }
+  }
+  else
+  {
+    filterfds[slot][0] = -1;
+    filterfds[slot][1] = -1;
+
+    close(filterfds[!slot][0]);
+    close(filterfds[!slot][1]);
+  }
+
+  close(filterfds[slot][0]);
+  close(filterfds[slot][1]);
+
+  close(statusfds[1]);
+
+  LogMessage(L_DEBUG2, "StartJob: Adding fd %d to InputSet...", current->pipe);
+
+  FD_SET(current->pipe, &InputSet);
+}
+
+
+/*
+ * 'StopAllJobs()' - Stop all print jobs.
+ */
+
+void
+StopAllJobs(void)
+{
+  job_t	*current;		/* Current job */
+
+
+  DEBUG_puts("StopAllJobs()");
+
+  for (current = Jobs; current != NULL; current = current->next)
+    if (current->state->values[0].integer == IPP_JOB_PROCESSING)
+    {
+      StopJob(current->id, 1);
+      current->state->values[0].integer = IPP_JOB_PENDING;
+    }
+}
+
+
+/*
+ * 'StopJob()' - Stop a print job.
+ */
+
+void
+StopJob(int id,			/* I - Job ID */
+        int force)		/* I - 1 = Force all filters to stop */
+{
+  int	i;			/* Looping var */
+  job_t	*current;		/* Current job */
+
+
+  LogMessage(L_DEBUG, "StopJob: id = %d, force = %d", id, force);
+
+  for (current = Jobs; current != NULL; current = current->next)
+    if (current->id == id)
+    {
+      DEBUG_puts("StopJob: found job in list.");
+
+      if (current->state->values[0].integer == IPP_JOB_PROCESSING)
+      {
+        DEBUG_puts("StopJob: job state is \'processing\'.");
+
+        FilterLevel -= current->cost;
+
+        if (current->status < 0)
+	  SetPrinterState(current->printer, IPP_PRINTER_STOPPED);
+	else if (current->printer->state != IPP_PRINTER_STOPPED)
+	  SetPrinterState(current->printer, IPP_PRINTER_IDLE);
+
+        LogMessage(L_DEBUG, "StopJob: printer state is %d", current->printer->state);
+
+	current->state->values[0].integer = IPP_JOB_STOPPED;
+        current->printer->job = NULL;
+        current->printer      = NULL;
+
+	current->current_file --;
+
+        for (i = 0; current->procs[i]; i ++)
+	  if (current->procs[i] > 0)
+	  {
+	    kill(current->procs[i], force ? SIGKILL : SIGTERM);
+	    current->procs[i] = 0;
+	  }
+
+        if (current->pipe)
+        {
+	 /*
+	  * Close the pipe and clear the input bit.
+	  */
+
+          LogMessage(L_DEBUG2, "StopJob: Removing fd %d from InputSet...",
+	             current->pipe);
+
+          close(current->pipe);
+	  FD_CLR(current->pipe, &InputSet);
+	  current->pipe = 0;
+        }
+
+        if (current->buffer)
+	{
+	 /*
+	  * Free the status buffer...
+	  */
+
+          LogMessage(L_DEBUG2, "StopJob: Freeing status buffer...");
+
+          free(current->buffer);
+	  current->buffer  = NULL;
+	  current->bufused = 0;
+	}
+      }
+      return;
+    }
+}
+
+
+/*
+ * 'UpdateJob()' - Read a status update from a job's filters.
+ */
+
+void
+UpdateJob(job_t *job)		/* I - Job to check */
+{
+  int		bytes;		/* Number of bytes read */
+  int		copies;		/* Number of copies printed */
+  char		*lineptr,	/* Pointer to end of line in buffer */
+		*message;	/* Pointer to message text */
+  int		loglevel;	/* Log level for message */
+
+
+  if ((bytes = read(job->pipe, job->buffer + job->bufused,
+                    JOB_BUFFER_SIZE - job->bufused - 1)) > 0)
+  {
+    job->bufused += bytes;
+    job->buffer[job->bufused] = '\0';
+    lineptr = strchr(job->buffer, '\n');
+  }
+  else if (bytes < 0 && errno == EINTR)
+    return;
+  else
+  {
+    lineptr    = job->buffer + job->bufused;
+    lineptr[1] = 0;
+  }
+
+  if (job->bufused == 0 && bytes == 0)
+    lineptr = NULL;
+
+  while (lineptr != NULL)
+  {
+   /*
+    * Terminate each line and process it...
+    */
+
+    *lineptr++ = '\0';
+
+   /*
+    * Figure out the logging level...
+    */
+
+    if (strncmp(job->buffer, "EMERG:", 6) == 0)
+    {
+      loglevel = L_EMERG;
+      message  = job->buffer + 6;
+    }
+    else if (strncmp(job->buffer, "ALERT:", 6) == 0)
+    {
+      loglevel = L_ALERT;
+      message  = job->buffer + 6;
+    }
+    else if (strncmp(job->buffer, "CRIT:", 5) == 0)
+    {
+      loglevel = L_CRIT;
+      message  = job->buffer + 5;
+    }
+    else if (strncmp(job->buffer, "ERROR:", 6) == 0)
+    {
+      loglevel = L_ERROR;
+      message  = job->buffer + 6;
+    }
+    else if (strncmp(job->buffer, "WARNING:", 8) == 0)
+    {
+      loglevel = L_WARN;
+      message  = job->buffer + 8;
+    }
+    else if (strncmp(job->buffer, "NOTICE:", 6) == 0)
+    {
+      loglevel = L_NOTICE;
+      message  = job->buffer + 6;
+    }
+    else if (strncmp(job->buffer, "INFO:", 5) == 0)
+    {
+      loglevel = L_INFO;
+      message  = job->buffer + 5;
+    }
+    else if (strncmp(job->buffer, "DEBUG:", 6) == 0)
+    {
+      loglevel = L_DEBUG;
+      message  = job->buffer + 6;
+    }
+    else if (strncmp(job->buffer, "DEBUG2:", 7) == 0)
+    {
+      loglevel = L_DEBUG2;
+      message  = job->buffer + 7;
+    }
+    else if (strncmp(job->buffer, "PAGE:", 5) == 0)
+    {
+      loglevel = L_PAGE;
+      message  = job->buffer + 5;
+    }
+    else
+    {
+      loglevel = L_DEBUG;
+      message  = job->buffer;
+    }
+
+   /*
+    * Skip leading whitespace in the message...
+    */
+
+    while (isspace(*message))
+      message ++;
+
+   /*
+    * Send it to the log file and printer state message as needed...
+    */
+
+    if (loglevel == L_PAGE)
+    {
+     /*
+      * Page message; send the message to the page_log file and update the
+      * job sheet count...
+      */
+
+      if (job->sheets != NULL)
+      {
+	if (!sscanf(message, "%*d%d", &copies))
+	{
+          job->sheets->values[0].integer ++;
+
+	  if (job->printer->page_limit)
+	    UpdateQuota(job->printer, job->username, 1, 0);
+        }
+	else
+	{
+          job->sheets->values[0].integer += copies;
+
+	  if (job->printer->page_limit)
+	    UpdateQuota(job->printer, job->username, copies, 0);
+        }
+      }
+
+      LogPage(job, message);
+    }
+    else
+    {
+     /*
+      * Other status message; send it to the error_log file...
+      */
+
+      if (loglevel != L_INFO)
+	LogMessage(loglevel, "%s", message);
+
+      if ((loglevel == L_INFO && !job->status) ||
+	  loglevel < L_INFO)
+        strncpy(job->printer->state_message, message,
+                sizeof(job->printer->state_message) - 1);
+    }
+
+   /*
+    * Copy over the buffer data we've used up...
+    */
+
+    strcpy(job->buffer, lineptr);
+    job->bufused -= lineptr - job->buffer;
+
+    if (job->bufused < 0)
+      job->bufused = 0;
+
+    lineptr = strchr(job->buffer, '\n');
+  }
+
+  if (bytes <= 0)
+  {
+    LogMessage(L_DEBUG, "UpdateJob: job %d, file %d is complete.",
+               job->id, job->current_file - 1);
+
+    if (job->pipe)
+    {
+     /*
+      * Close the pipe and clear the input bit.
+      */
+
+      LogMessage(L_DEBUG2, "UpdateJob: Removing fd %d from InputSet...",
+                 job->pipe);
+
+      close(job->pipe);
+      FD_CLR(job->pipe, &InputSet);
+      job->pipe = 0;
+    }
+
+    if (job->status < 0)
+    {
+     /*
+      * Backend had errors; stop it...
+      */
+
+      StopJob(job->id, 0);
+      job->state->values[0].integer = IPP_JOB_PENDING;
+      SaveJob(job->id);
+    }
+    else if (job->status > 0)
+    {
+     /*
+      * Filter had errors; cancel it...
+      */
+
+      if (job->current_file < job->num_files)
+        StartJob(job->id, job->printer);
+      else
+      {
+        CancelJob(job->id, 0);
+
+        if (JobHistory)
+	{
+          job->state->values[0].integer = IPP_JOB_ABORTED;
+	  SaveJob(job->id);
+	}
+
+        CheckJobs();
+      }
+    }
+    else
+    {
+     /*
+      * Job printed successfully; cancel it...
+      */
+
+      if (job->current_file < job->num_files)
+      {
+        FilterLevel -= job->cost;
+        StartJob(job->id, job->printer);
+      }
+      else
+      {
+	CancelJob(job->id, 0);
+
+        if (JobHistory)
+	{
+          job->state->values[0].integer = IPP_JOB_COMPLETED;
+	  SaveJob(job->id);
+	}
+
+	CheckJobs();
+      }
+    }
+  }
+}
+
+
+/*
+ * 'ipp_read_file()' - Read an IPP request from a file.
+ */
+
+static ipp_state_t			/* O - State */
+ipp_read_file(const char *filename,	/* I - File to read from */
+              ipp_t      *ipp)		/* I - Request to read into */
+{
+  int			fd;		/* File descriptor for file */
+  int			n;		/* Length of data */
+  unsigned char		buffer[8192],	/* Data buffer */
+			*bufptr;	/* Pointer into buffer */
+  ipp_attribute_t	*attr;		/* Current attribute */
+  ipp_tag_t		tag;		/* Current tag */
+
+
+ /*
+  * Open the file if possible...
+  */
+
+  if (filename == NULL || ipp == NULL)
+    return (IPP_ERROR);
+
+  if ((fd = open(filename, O_RDONLY)) == -1)
+    return (IPP_ERROR);
+
+ /*
+  * Read the IPP request...
+  */
+
+  ipp->state = IPP_IDLE;
+
+  switch (ipp->state)
+  {
+    default :
+	break; /* anti-compiler-warning-code */
+
+    case IPP_IDLE :
+        ipp->state ++; /* Avoid common problem... */
+
+    case IPP_HEADER :
+       /*
+        * Get the request header...
+	*/
+
+        if ((n = read(fd, buffer, 8)) < 8)
+	{
+	  DEBUG_printf(("ipp_read_file: Unable to read header (%d bytes read)!\n", n));
+	  close(fd);
+	  return (n == 0 ? IPP_IDLE : IPP_ERROR);
+	}
+
+       /*
+        * Verify the major version number...
+	*/
+
+	if (buffer[0] != 1)
+	{
+	  DEBUG_printf(("ipp_read_file: version number (%d.%d) is bad.\n", buffer[0],
+	                buffer[1]));
+	  close(fd);
+	  return (IPP_ERROR);
+	}
+
+       /*
+        * Then copy the request header over...
+	*/
+
+        ipp->request.any.version[0]  = buffer[0];
+        ipp->request.any.version[1]  = buffer[1];
+        ipp->request.any.op_status   = (buffer[2] << 8) | buffer[3];
+        ipp->request.any.request_id  = (((((buffer[4] << 8) | buffer[5]) << 8) |
+	                               buffer[6]) << 8) | buffer[7];
+
+        ipp->state   = IPP_ATTRIBUTE;
+	ipp->current = NULL;
+	ipp->curtag  = IPP_TAG_ZERO;
+
+    case IPP_ATTRIBUTE :
+        while (read(fd, buffer, 1) > 0)
+	{
+	 /*
+	  * Read this attribute...
+	  */
+
+          tag = (ipp_tag_t)buffer[0];
+
+	  if (tag == IPP_TAG_END)
+	  {
+	   /*
+	    * No more attributes left...
+	    */
+
+            DEBUG_puts("ipp_read_file: IPP_TAG_END!");
+
+	    ipp->state = IPP_DATA;
+	    break;
+	  }
+          else if (tag < IPP_TAG_UNSUPPORTED_VALUE)
+	  {
+	   /*
+	    * Group tag...  Set the current group and continue...
+	    */
+
+            if (ipp->curtag == tag)
+	      ippAddSeparator(ipp);
+
+	    ipp->curtag  = tag;
+	    ipp->current = NULL;
+	    DEBUG_printf(("ipp_read_file: group tag = %x\n", tag));
+	    continue;
+	  }
+
+          DEBUG_printf(("ipp_read_file: value tag = %x\n", tag));
+
+         /*
+	  * Get the name...
+	  */
+
+          if (read(fd, buffer, 2) < 2)
+	  {
+	    DEBUG_puts("ipp_read_file: unable to read name length!");
+	    close(fd);
+	    return (IPP_ERROR);
+	  }
+
+          n = (buffer[0] << 8) | buffer[1];
+
+          DEBUG_printf(("ipp_read_file: name length = %d\n", n));
+
+          if (n == 0)
+	  {
+	   /*
+	    * More values for current attribute...
+	    */
+
+            if (ipp->current == NULL)
+	    {
+	      close(fd);
+              return (IPP_ERROR);
+	    }
+
+            attr = ipp->current;
+
+           /*
+	    * Finally, reallocate the attribute array as needed...
+	    */
+
+	    if ((attr->num_values % IPP_MAX_VALUES) == 0)
+	    {
+	      ipp_attribute_t	*temp,	/* Pointer to new buffer */
+				*ptr;	/* Pointer in attribute list */
+
+
+             /*
+	      * Reallocate memory...
+	      */
+
+              if ((temp = realloc(attr, sizeof(ipp_attribute_t) +
+	                                (attr->num_values + IPP_MAX_VALUES - 1) *
+					sizeof(ipp_value_t))) == NULL)
+	      {
+		close(fd);
+        	return (IPP_ERROR);
+	      }
+
+             /*
+	      * Reset pointers in the list...
+	      */
+
+	      for (ptr = ipp->attrs; ptr && ptr->next != attr; ptr = ptr->next);
+
+              if (ptr)
+	        ptr->next = temp;
+	      else
+	        ipp->attrs = temp;
+
+              attr = ipp->current = ipp->last = temp;
+	    }
+	  }
+	  else
+	  {
+	   /*
+	    * New attribute; read the name and add it...
+	    */
+
+	    if (read(fd, buffer, n) < n)
+	    {
+	      DEBUG_puts("ipp_read_file: unable to read name!");
+	      close(fd);
+	      return (IPP_ERROR);
+	    }
+
+	    buffer[n] = '\0';
+	    DEBUG_printf(("ipp_read_file: name = \'%s\'\n", buffer));
+
+	    attr = ipp->current = _ipp_add_attr(ipp, IPP_MAX_VALUES);
+
+	    attr->group_tag  = ipp->curtag;
+	    attr->value_tag  = tag;
+	    attr->name       = strdup((char *)buffer);
+	    attr->num_values = 0;
+	  }
+
+	  if (read(fd, buffer, 2) < 2)
+	  {
+	    DEBUG_puts("ipp_read_file: unable to read value length!");
+	    close(fd);
+	    return (IPP_ERROR);
+	  }
+
+	  n = (buffer[0] << 8) | buffer[1];
+          DEBUG_printf(("ipp_read_file: value length = %d\n", n));
+
+	  switch (tag)
+	  {
+	    case IPP_TAG_INTEGER :
+	    case IPP_TAG_ENUM :
+	        if (read(fd, buffer, 4) < 4)
+	        {
+	          close(fd);
+                  return (IPP_ERROR);
+	        }
+
+		n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
+		    buffer[3];
+
+                attr->values[attr->num_values].integer = n;
+	        break;
+	    case IPP_TAG_BOOLEAN :
+	        if (read(fd, buffer, 1) < 1)
+	        {
+	          close(fd);
+                  return (IPP_ERROR);
+	        }
+
+                attr->values[attr->num_values].boolean = buffer[0];
+	        break;
+	    case IPP_TAG_TEXT :
+	    case IPP_TAG_NAME :
+	    case IPP_TAG_KEYWORD :
+	    case IPP_TAG_STRING :
+	    case IPP_TAG_URI :
+	    case IPP_TAG_URISCHEME :
+	    case IPP_TAG_CHARSET :
+	    case IPP_TAG_LANGUAGE :
+	    case IPP_TAG_MIMETYPE :
+	        if (read(fd, buffer, n) < n)
+	        {
+	          close(fd);
+                  return (IPP_ERROR);
+	        }
+
+                buffer[n] = '\0';
+		DEBUG_printf(("ipp_read_file: value = \'%s\'\n", buffer));
+
+                attr->values[attr->num_values].string.text = strdup((char *)buffer);
+	        break;
+	    case IPP_TAG_DATE :
+	        if (read(fd, buffer, 11) < 11)
+	        {
+	          close(fd);
+                  return (IPP_ERROR);
+	        }
+
+                memcpy(attr->values[attr->num_values].date, buffer, 11);
+	        break;
+	    case IPP_TAG_RESOLUTION :
+	        if (read(fd, buffer, 9) < 9)
+	        {
+	          close(fd);
+                  return (IPP_ERROR);
+	        }
+
+                attr->values[attr->num_values].resolution.xres =
+		    (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
+		    buffer[3];
+                attr->values[attr->num_values].resolution.yres =
+		    (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) |
+		    buffer[7];
+                attr->values[attr->num_values].resolution.units =
+		    (ipp_res_t)buffer[8];
+	        break;
+	    case IPP_TAG_RANGE :
+	        if (read(fd, buffer, 8) < 8)
+	        {
+	          close(fd);
+                  return (IPP_ERROR);
+	        }
+
+                attr->values[attr->num_values].range.lower =
+		    (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
+		    buffer[3];
+                attr->values[attr->num_values].range.upper =
+		    (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) |
+		    buffer[7];
+	        break;
+	    case IPP_TAG_TEXTLANG :
+	    case IPP_TAG_NAMELANG :
+	        if (read(fd, buffer, n) < n)
+		  return (IPP_ERROR);
+
+                bufptr = buffer;
+
+	       /*
+	        * text-with-language and name-with-language are composite
+		* values:
+		*
+		*    charset-length
+		*    charset
+		*    text-length
+		*    text
+		*/
+
+		n = (bufptr[0] << 8) | bufptr[1];
+
+                attr->values[attr->num_values].string.charset = calloc(n + 1, 1);
+
+		memcpy(attr->values[attr->num_values].string.charset,
+		       bufptr + 2, n);
+
+                bufptr += 2 + n;
+		n = (bufptr[0] << 8) | bufptr[1];
+
+                attr->values[attr->num_values].string.text = calloc(n + 1, 1);
+
+		memcpy(attr->values[attr->num_values].string.text,
+		       bufptr + 2, n);
+
+	        break;
+
+            default : /* Other unsupported values */
+                attr->values[attr->num_values].unknown.length = n;
+	        if (n > 0)
+		{
+		  attr->values[attr->num_values].unknown.data = malloc(n);
+	          if (read(fd, attr->values[attr->num_values].unknown.data, n) < n)
+		    return (IPP_ERROR);
+		}
+		else
+		  attr->values[attr->num_values].unknown.data = NULL;
+	        break;
+	  }
+
+          attr->num_values ++;
+	}
+        break;
+
+    case IPP_DATA :
+        break;
+  }
+
+ /*
+  * Close the file and return...
+  */
+
+  close(fd);
+
+  return (ipp->state);
+}
+
+
+/*
+ * 'ipp_write_file()' - Write an IPP request to a file.
+ */
+
+static ipp_state_t			/* O - State */
+ipp_write_file(const char *filename,	/* I - File to write to */
+               ipp_t      *ipp)		/* I - Request to write */
+{
+  int			fd;		/* File descriptor */
+  int			i;		/* Looping var */
+  int			n;		/* Length of data */
+  unsigned char		buffer[8192],	/* Data buffer */
+			*bufptr;	/* Pointer into buffer */
+  ipp_attribute_t	*attr;		/* Current attribute */
+
+
+ /*
+  * Open the file if possible...
+  */
+
+  if (filename == NULL || ipp == NULL)
+    return (IPP_ERROR);
+
+  if ((fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0600)) == -1)
+    return (IPP_ERROR);
+
+  fchmod(fd, 0600);
+  fchown(fd, User, Group);
+
+ /*
+  * Write the IPP request...
+  */
+
+  ipp->state = IPP_IDLE;
+
+  switch (ipp->state)
+  {
+    default :
+	break; /* anti-compiler-warning-code */
+
+    case IPP_IDLE :
+        ipp->state ++; /* Avoid common problem... */
+
+    case IPP_HEADER :
+       /*
+        * Send the request header...
+	*/
+
+        bufptr = buffer;
+
+	*bufptr++ = ipp->request.any.version[0];
+	*bufptr++ = ipp->request.any.version[1];
+	*bufptr++ = ipp->request.any.op_status >> 8;
+	*bufptr++ = ipp->request.any.op_status;
+	*bufptr++ = ipp->request.any.request_id >> 24;
+	*bufptr++ = ipp->request.any.request_id >> 16;
+	*bufptr++ = ipp->request.any.request_id >> 8;
+	*bufptr++ = ipp->request.any.request_id;
+
+        if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	{
+	  DEBUG_puts("ipp_write_file: Could not write IPP header...");
+	  close(fd);
+	  return (IPP_ERROR);
+	}
+
+        ipp->state   = IPP_ATTRIBUTE;
+	ipp->current = ipp->attrs;
+	ipp->curtag  = IPP_TAG_ZERO;
+
+    case IPP_ATTRIBUTE :
+        while (ipp->current != NULL)
+	{
+	 /*
+	  * Write this attribute...
+	  */
+
+	  bufptr = buffer;
+	  attr   = ipp->current;
+
+	  ipp->current = ipp->current->next;
+
+          if (ipp->curtag != attr->group_tag)
+	  {
+	   /*
+	    * Send a group operation tag...
+	    */
+
+	    ipp->curtag = attr->group_tag;
+
+            if (attr->group_tag == IPP_TAG_ZERO)
+	      continue;
+
+            DEBUG_printf(("ipp_write_file: wrote group tag = %x\n", attr->group_tag));
+	    *bufptr++ = attr->group_tag;
+	  }
+
+          if ((n = strlen(attr->name)) > (sizeof(buffer) - 3))
+	    return (IPP_ERROR);
+
+          DEBUG_printf(("ipp_write_file: writing value tag = %x\n", attr->value_tag));
+          DEBUG_printf(("ipp_write_file: writing name = %d, \'%s\'\n", n, attr->name));
+
+          *bufptr++ = attr->value_tag;
+	  *bufptr++ = n >> 8;
+	  *bufptr++ = n;
+	  memcpy(bufptr, attr->name, n);
+	  bufptr += n;
+
+	  switch (attr->value_tag)
+	  {
+	    case IPP_TAG_INTEGER :
+	    case IPP_TAG_ENUM :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 9)
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 4;
+		  *bufptr++ = attr->values[i].integer >> 24;
+		  *bufptr++ = attr->values[i].integer >> 16;
+		  *bufptr++ = attr->values[i].integer >> 8;
+		  *bufptr++ = attr->values[i].integer;
+		}
+		break;
+
+	    case IPP_TAG_BOOLEAN :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 6)
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 1;
+		  *bufptr++ = attr->values[i].boolean;
+		}
+		break;
+
+	    case IPP_TAG_TEXT :
+	    case IPP_TAG_NAME :
+	    case IPP_TAG_KEYWORD :
+	    case IPP_TAG_STRING :
+	    case IPP_TAG_URI :
+	    case IPP_TAG_URISCHEME :
+	    case IPP_TAG_CHARSET :
+	    case IPP_TAG_LANGUAGE :
+	    case IPP_TAG_MIMETYPE :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+        	    DEBUG_printf(("ipp_write_file: writing value tag = %x\n",
+		                  attr->value_tag));
+        	    DEBUG_printf(("ipp_write_file: writing name = 0, \'\'\n"));
+
+                    if ((sizeof(buffer) - (bufptr - buffer)) < 3)
+		    {
+                      if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	              {
+	        	DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	        	return (IPP_ERROR);
+	              }
+
+		      bufptr = buffer;
+		    }
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+                  n = strlen(attr->values[i].string.text);
+
+                  if (n > sizeof(buffer))
+		    return (IPP_ERROR);
+
+                  DEBUG_printf(("ipp_write_file: writing string = %d, \'%s\'\n", n,
+		                attr->values[i].string.text));
+
+                  if ((sizeof(buffer) - (bufptr - buffer)) < (n + 2))
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ipp_write_file: Could not write IPP attribute...");
+	              close(fd);
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+		  memcpy(bufptr, attr->values[i].string.text, n);
+		  bufptr += n;
+		}
+		break;
+
+	    case IPP_TAG_DATE :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 16)
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 11;
+		  memcpy(bufptr, attr->values[i].date, 11);
+		  bufptr += 11;
+		}
+		break;
+
+	    case IPP_TAG_RESOLUTION :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 14)
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 9;
+		  *bufptr++ = attr->values[i].resolution.xres >> 24;
+		  *bufptr++ = attr->values[i].resolution.xres >> 16;
+		  *bufptr++ = attr->values[i].resolution.xres >> 8;
+		  *bufptr++ = attr->values[i].resolution.xres;
+		  *bufptr++ = attr->values[i].resolution.yres >> 24;
+		  *bufptr++ = attr->values[i].resolution.yres >> 16;
+		  *bufptr++ = attr->values[i].resolution.yres >> 8;
+		  *bufptr++ = attr->values[i].resolution.yres;
+		  *bufptr++ = attr->values[i].resolution.units;
+		}
+		break;
+
+	    case IPP_TAG_RANGE :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+                  if ((sizeof(buffer) - (bufptr - buffer)) < 13)
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+	          *bufptr++ = 0;
+		  *bufptr++ = 8;
+		  *bufptr++ = attr->values[i].range.lower >> 24;
+		  *bufptr++ = attr->values[i].range.lower >> 16;
+		  *bufptr++ = attr->values[i].range.lower >> 8;
+		  *bufptr++ = attr->values[i].range.lower;
+		  *bufptr++ = attr->values[i].range.upper >> 24;
+		  *bufptr++ = attr->values[i].range.upper >> 16;
+		  *bufptr++ = attr->values[i].range.upper >> 8;
+		  *bufptr++ = attr->values[i].range.upper;
+		}
+		break;
+
+	    case IPP_TAG_TEXTLANG :
+	    case IPP_TAG_NAMELANG :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    if ((sizeof(buffer) - (bufptr - buffer)) < 3)
+		    {
+                      if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	              {
+	        	DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	        	return (IPP_ERROR);
+	              }
+
+		      bufptr = buffer;
+		    }
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+                  n = strlen(attr->values[i].string.charset) +
+		      strlen(attr->values[i].string.text) +
+		      4;
+
+                  if (n > sizeof(buffer))
+		    return (IPP_ERROR);
+
+                  if ((sizeof(buffer) - (bufptr - buffer)) < (n + 2))
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ipp_write_file: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+                 /* Length of entire value */
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Length of charset */
+                  n = strlen(attr->values[i].string.charset);
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Charset */
+		  memcpy(bufptr, attr->values[i].string.charset, n);
+		  bufptr += n;
+
+                 /* Length of text */
+                  n = strlen(attr->values[i].string.text);
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Text */
+		  memcpy(bufptr, attr->values[i].string.text, n);
+		  bufptr += n;
+		}
+		break;
+
+            default :
+	        for (i = 0; i < attr->num_values; i ++)
+		{
+		  if (i)
+		  {
+		   /*
+		    * Arrays and sets are done by sending additional
+		    * values with a zero-length name...
+		    */
+
+                    if ((sizeof(buffer) - (bufptr - buffer)) < 3)
+		    {
+                      if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	              {
+	        	DEBUG_puts("ippWrite: Could not write IPP attribute...");
+	        	return (IPP_ERROR);
+	              }
+
+		      bufptr = buffer;
+		    }
+
+                    *bufptr++ = attr->value_tag;
+		    *bufptr++ = 0;
+		    *bufptr++ = 0;
+		  }
+
+                  n = attr->values[i].unknown.length;
+
+                  if (n > sizeof(buffer))
+		    return (IPP_ERROR);
+
+                  if ((sizeof(buffer) - (bufptr - buffer)) < (n + 2))
+		  {
+                    if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	            {
+	              DEBUG_puts("ipp_write_file: Could not write IPP attribute...");
+	              return (IPP_ERROR);
+	            }
+
+		    bufptr = buffer;
+		  }
+
+                 /* Length of unknown value */
+	          *bufptr++ = n >> 8;
+		  *bufptr++ = n;
+
+                 /* Value */
+		  if (n > 0)
+		  {
+		    memcpy(bufptr, attr->values[i].unknown.data, n);
+		    bufptr += n;
+		  }
+		}
+		break;
+	  }
+
+         /*
+	  * Write the data out...
+	  */
+
+          if (write(fd, (char *)buffer, bufptr - buffer) < 0)
+	  {
+	    DEBUG_puts("ipp_write_file: Could not write IPP attribute...");
+	    close(fd);
+	    return (IPP_ERROR);
+	  }
+
+          DEBUG_printf(("ipp_write_file: wrote %d bytes\n", bufptr - buffer));
+	}
+
+	if (ipp->current == NULL)
+	{
+         /*
+	  * Done with all of the attributes; add the end-of-attributes tag...
+	  */
+
+          buffer[0] = IPP_TAG_END;
+	  if (write(fd, (char *)buffer, 1) < 0)
+	  {
+	    DEBUG_puts("ipp_write_file: Could not write IPP end-tag...");
+	    close(fd);
+	    return (IPP_ERROR);
+	  }
+
+	  ipp->state = IPP_DATA;
+	}
+        break;
+
+    case IPP_DATA :
+        break;
+  }
+
+ /*
+  * Close the file and return...
+  */
+
+  close(fd);
+
+  return (ipp->state);
+}
+
+
+/*
+ * 'set_time()' - Set one of the "time-at-xyz" attributes...
+ */
+
+static void
+set_time(job_t      *job,	/* I - Job to update */
+         const char *name)	/* I - Name of attribute */
+{
+  ipp_attribute_t	*attr;	/* Time attribute */
+
+
+  if ((attr = ippFindAttribute(job->attrs, name, IPP_TAG_ZERO)) != NULL)
+  {
+    attr->value_tag         = IPP_TAG_INTEGER;
+    attr->values[0].integer = time(NULL);
+  }
+}
+
+
+/*
+ * 'start_process()' - Start a background process.
+ */
+
+static int				/* O - Process ID or 0 */
+start_process(const char *command,	/* I - Full path to command */
+              char       *argv[],	/* I - Command-line arguments */
+	      char       *envp[],	/* I - Environment */
+              int        infd,		/* I - Standard input file descriptor */
+	      int        outfd,		/* I - Standard output file descriptor */
+	      int        errfd,		/* I - Standard error file descriptor */
+	      int        root)		/* I - Run as root? */
+{
+  int	fd;				/* Looping var */
+  int	pid;				/* Process ID */
+
+
+  LogMessage(L_DEBUG, "start_process(\"%s\", %08x, %08x, %d, %d, %d)",
+             command, argv, envp, infd, outfd, errfd);
+
+  if ((pid = fork()) == 0)
+  {
+   /*
+    * Child process goes here...
+    *
+    * Update stdin/stdout/stderr as needed...
+    */
+
+    close(0);
+    dup(infd);
+    close(1);
+    dup(outfd);
+    if (errfd > 2)
+    {
+      close(2);
+      dup(errfd);
+    }
+
+   /*
+    * Close extra file descriptors...
+    */
+
+    for (fd = 3; fd < MaxFDs; fd ++)
+      close(fd);
+
+   /*
+    * Change user to something "safe"...
+    */
+
+    if (!root && getuid() == 0)
+    {
+     /*
+      * Running as root, so change to non-priviledged user...
+      */
+
+      if (setgid(Group))
+        exit(errno);
+
+      if (setuid(User))
+        exit(errno);
+    }
+
+   /*
+    * Reset group membership to just the main one we belong to.
+    */
+
+    setgroups(0, NULL);
+
+   /*
+    * Change umask to restrict permissions on created files...
+    */
+
+    umask(077);
+
+   /*
+    * Execute the command; if for some reason this doesn't work,
+    * return the error code...
+    */
+
+    execve(command, argv, envp);
+
+    perror(command);
+
+    exit(errno);
+  }
+  else if (pid < 0)
+  {
+   /*
+    * Error - couldn't fork a new process!
+    */
+
+    LogMessage(L_ERROR, "Unable to fork %s - %s.", command, strerror(errno));
+
+    return (0);
+  }
+
+  return (pid);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/job.h b/scheduler/job.h
new file mode 100644
index 000000000..bb0bf01dd
--- /dev/null
+++ b/scheduler/job.h
@@ -0,0 +1,107 @@
+/*
+ * "$Id$"
+ *
+ *   Print job definitions for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Constants...
+ */
+
+#define JOB_BUFFER_SIZE	1024	/* Bytes for job status buffer */
+
+
+/*
+ * Job request structure...
+ */
+
+typedef struct job_str
+{
+  struct job_str *next;			/* Next job in queue */
+  int		id,			/* Job ID */
+		priority;		/* Job priority */
+  ipp_attribute_t *state;		/* Job state */
+  ipp_attribute_t *sheets;		/* job-media-sheets-completed */
+  time_t	hold_until;		/* Hold expiration date/time */
+  char		username[33];		/* Printing user */
+  char		dest[IPP_MAX_NAME];	/* Destination printer or class */
+  cups_ptype_t	dtype;			/* Destination type (class/remote bits) */
+  char		title[IPP_MAX_NAME];	/* Job name/title */
+  ipp_attribute_t *job_sheets;		/* Job sheets (NULL if none) */
+  int		num_files;		/* Number of files in job */
+  int		current_file;		/* Current file in job */
+  mime_type_t	**filetypes;		/* File types */
+  ipp_t		*attrs;			/* Job attributes */
+  int		pipe;			/* Status pipe for this job */
+  int		cost;			/* Filtering cost */
+  int		procs[MAX_FILTERS + 2];	/* Process IDs, 0 terminated */
+  int		status;			/* Status code from filters */
+  printer_t	*printer;		/* Printer this job is assigned to */
+  char		*buffer;		/* Status buffer */
+  int		bufused;		/* Amount of buffer in use */
+} job_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR int		JobHistory	VALUE(1);	/* Preserve job history? */
+VAR int		JobFiles	VALUE(0);	/* Preserve job files? */
+VAR int		MaxJobs		VALUE(0),	/* Max number of jobs */
+		MaxJobsPerUser	VALUE(0),	/* Max jobs per user */
+		MaxJobsPerPrinter VALUE(0);	/* Max jobs per printer */
+VAR int		JobAutoPurge	VALUE(0);	/* Automatically purge jobs */
+VAR int		NumJobs		VALUE(0);	/* Number of jobs in queue */
+VAR job_t	*Jobs		VALUE(NULL);	/* List of current jobs */
+VAR int		NextJobId	VALUE(1);	/* Next job ID to use */
+
+
+/*
+ * Prototypes...
+ */
+
+extern job_t	*AddJob(int priority, const char *dest);
+extern void	CancelJob(int id, int purge);
+extern void	CancelJobs(const char *dest);
+extern void	CheckJobs(void);
+extern void	CleanJobs(void);
+extern void	DeleteJob(int id);
+extern job_t	*FindJob(int id);
+extern int	GetPrinterJobCount(const char *dest);
+extern int	GetUserJobCount(const char *username);
+extern void	HoldJob(int id);
+extern void	LoadAllJobs(void);
+extern void	MoveJob(int id, const char *dest);
+extern void	ReleaseJob(int id);
+extern void	RestartJob(int id);
+extern void	SaveJob(int id);
+extern void	SetJobHoldUntil(int id, const char *when);
+extern void	SetJobPriority(int id, int priority);
+extern void	StartJob(int id, printer_t *printer);
+extern void	StopAllJobs(void);
+extern void	StopJob(int id, int force);
+extern void	UpdateJob(job_t *job);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/listen.c b/scheduler/listen.c
new file mode 100644
index 000000000..a9787c244
--- /dev/null
+++ b/scheduler/listen.c
@@ -0,0 +1,222 @@
+/*
+ * "$Id$"
+ *
+ *   Server listening routines for the Common UNIX Printing System (CUPS)
+ *   scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   PauseListening()  - Clear input polling on all listening sockets...
+ *   ResumeListening() - Set input polling on all listening sockets...
+ *   StartListening()  - Create all listening sockets...
+ *   StopListening()   - Close all listening sockets...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * 'PauseListening()' - Clear input polling on all listening sockets...
+ */
+
+void
+PauseListening(void)
+{
+  int		i;		/* Looping var */
+  listener_t	*lis;		/* Current listening socket */
+
+
+  if (!FD_ISSET(Listeners[0].fd, &InputSet))
+    return;
+
+  if (NumClients == MaxClients)
+    LogMessage(L_WARN, "Max clients reached, holding new connections...");
+
+  LogMessage(L_DEBUG, "PauseListening: clearing input bits...");
+
+  for (i = NumListeners, lis = Listeners; i > 0; i --, lis ++)
+  {
+    LogMessage(L_DEBUG2, "PauseListening: Removing fd %d from InputSet...",
+               lis->fd);
+
+    FD_CLR(lis->fd, &InputSet);
+  }
+}
+
+
+/*
+ * 'ResumeListening()' - Set input polling on all listening sockets...
+ */
+
+void
+ResumeListening(void)
+{
+  int		i;		/* Looping var */
+  listener_t	*lis;		/* Current listening socket */
+
+
+  if (FD_ISSET(Listeners[0].fd, &InputSet))
+    return;
+
+  if (NumClients >= (MaxClients - 1))
+    LogMessage(L_WARN, "Resuming new connection processing...");
+
+  LogMessage(L_DEBUG, "ResumeListening: setting input bits...");
+
+  for (i = NumListeners, lis = Listeners; i > 0; i --, lis ++)
+  {
+    LogMessage(L_DEBUG2, "ResumeListening: Adding fd %d to InputSet...",
+               lis->fd);
+
+    FD_SET(lis->fd, &InputSet);
+  }
+}
+
+
+/*
+ * 'StartListening()' - Create all listening sockets...
+ */
+
+void
+StartListening(void)
+{
+  int		i,		/* Looping var */
+		val;		/* Parameter value */
+  listener_t	*lis;		/* Current listening socket */
+  struct hostent *host;		/* Host entry for server address */
+
+
+  LogMessage(L_DEBUG, "StartListening: NumListeners=%d", NumListeners);
+
+ /*
+  * Get the server's IP address...
+  */
+
+  memset(&ServerAddr, 0, sizeof(ServerAddr));
+
+  if ((host = httpGetHostByName(ServerName)) != NULL)
+  {
+   /*
+    * Found the server's address!
+    */
+
+    memcpy((char *)&(ServerAddr.sin_addr), host->h_addr, host->h_length);
+    ServerAddr.sin_family = host->h_addrtype;
+  }
+  else
+  {
+   /*
+    * Didn't find it!  Use an address of 0...
+    */
+
+    LogMessage(L_ERROR, "StartListening: Unable to find IP address for server name \"%s\"!\n",
+               ServerName);
+
+    ServerAddr.sin_family = AF_INET;
+  }
+
+ /*
+  * Setup socket listeners...
+  */
+
+  for (i = NumListeners, lis = Listeners; i > 0; i --, lis ++)
+  {
+    LogMessage(L_DEBUG, "StartListening: address=%08x port=%d",
+               ntohl(lis->address.sin_addr.s_addr),
+	       ntohs(lis->address.sin_port));
+
+    if ((lis->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+    {
+      LogMessage(L_ERROR, "StartListening: Unable to open listen socket - %s.",
+                 strerror(errno));
+      exit(errno);
+    }
+
+    fcntl(lis->fd, F_SETFD, fcntl(lis->fd, F_GETFD) | FD_CLOEXEC);
+
+   /*
+    * Set things up to reuse the local address for this port.
+    */
+
+    val = 1;
+#ifdef __sun
+    setsockopt(lis->fd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
+#else
+    setsockopt(lis->fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
+#endif /* __sun */
+
+   /*
+    * Bind to the port we found...
+    */
+
+    if (bind(lis->fd, (struct sockaddr *)&(lis->address), sizeof(lis->address)) < 0)
+    {
+      LogMessage(L_ERROR, "StartListening: Unable to bind socket - %s.", strerror(errno));
+      exit(errno);
+    }
+
+   /*
+    * Listen for new clients.
+    */
+
+    if (listen(lis->fd, ListenBackLog) < 0)
+    {
+      LogMessage(L_ERROR, "StartListening: Unable to listen for clients - %s.",
+                 strerror(errno));
+      exit(errno);
+    }
+  }
+
+  ResumeListening();
+}
+
+
+/*
+ * 'StopListening()' - Close all listening sockets...
+ */
+
+void
+StopListening(void)
+{
+  int		i;		/* Looping var */
+  listener_t	*lis;		/* Current listening socket */
+
+
+  LogMessage(L_DEBUG, "StopListening: closing all listen sockets.");
+
+  PauseListening();
+
+  for (i = NumListeners, lis = Listeners; i > 0; i --, lis ++)
+#ifdef WIN32
+    closesocket(lis->fd);
+#else
+    close(lis->fd);
+#endif /* WIN32 */
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/log.c b/scheduler/log.c
new file mode 100644
index 000000000..c76dd9fb4
--- /dev/null
+++ b/scheduler/log.c
@@ -0,0 +1,440 @@
+/*
+ * "$Id$"
+ *
+ *   Log file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   GetDateTime()    - Returns a pointer to a date/time string.
+ *   LogMessage()     - Log a message to the error log file.
+ *   LogPage()        - Log a page to the page log file.
+ *   LogRequest()     - Log an HTTP request in Common Log Format.
+ *   check_log_file() - Open/rotate a log file if it needs it.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <stdarg.h>
+
+#ifdef HAVE_VSYSLOG
+#  include <syslog.h>
+#endif /* HAVE_VSYSLOG */
+
+
+/*
+ * Local functions...
+ */
+
+static int	check_log_file(FILE **, const char *);
+
+
+/*
+ * 'GetDateTime()' - Returns a pointer to a date/time string.
+ */
+
+char *				/* O - Date/time string */
+GetDateTime(time_t t)		/* I - Time value */
+{
+  struct tm	*date;		/* Date/time value */
+  static char	s[1024];	/* Date/time string */
+  static const char *months[12] =/* Months */
+		{
+		  "Jan",
+		  "Feb",
+		  "Mar",
+		  "Apr",
+		  "May",
+		  "Jun",
+		  "Jul",
+		  "Aug",
+		  "Sep",
+		  "Oct",
+		  "Nov",
+		  "Dec"
+		};
+
+
+ /*
+  * Get the date and time from the UNIX time value, and then format it
+  * into a string.  Note that we *can't* use the strftime() function since
+  * it is localized and will seriously confuse automatic programs if the
+  * month names are in the wrong language!
+  *
+  * Also, we use the "timezone" variable that contains the current timezone
+  * offset from GMT in seconds so that we are reporting local time in the
+  * log files.  If you want GMT, set the TZ environment variable accordingly
+  * before starting the scheduler.
+  *
+  * (*BSD and Darwin store the timezone offset in the tm structure)
+  */
+
+  date = localtime(&t);
+
+  snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d %+03ld%02ld]",
+	   date->tm_mday, months[date->tm_mon], 1900 + date->tm_year,
+	   date->tm_hour, date->tm_min, date->tm_sec,
+#ifdef HAVE_TM_GMTOFF
+           date->tm_gmtoff / 3600, (date->tm_gmtoff / 60) % 60);
+#else
+           timezone / 3600, (timezone / 60) % 60);
+#endif /* HAVE_TM_GMTOFF */
+ 
+  return (s);
+}
+
+
+/*
+ * 'LogMessage()' - Log a message to the error log file.
+ */
+
+int				/* O - 1 on success, 0 on error */
+LogMessage(int        level,	/* I - Log level */
+           const char *message,	/* I - printf-style message string */
+	   ...)			/* I - Additional args as needed */
+{
+  int		len;		/* Length of message */
+  char		line[1024];	/* Line for output file */
+  va_list	ap;		/* Argument pointer */
+  static char	levels[] =	/* Log levels... */
+		{
+		  ' ',
+		  'X',
+		  'A',
+		  'C',
+		  'E',
+		  'W',
+		  'N',
+		  'I',
+		  'D',
+		  'd'
+		};
+#ifdef HAVE_VSYSLOG
+  static int	syslevels[] =	/* SYSLOG levels... */
+		{
+		  0,
+		  LOG_EMERG,
+		  LOG_ALERT,
+		  LOG_CRIT,
+		  LOG_ERR,
+		  LOG_WARNING,
+		  LOG_NOTICE,
+		  LOG_INFO,
+		  LOG_DEBUG,
+		  LOG_DEBUG
+		};
+#endif /* HAVE_VSYSLOG */
+
+
+ /*
+  * See if we want to log this message...
+  */
+
+  if (level > LogLevel)
+    return (1);
+
+#ifdef HAVE_VSYSLOG
+ /*
+  * See if we are logging errors via syslog...
+  */
+
+  if (strcmp(ErrorLog, "syslog") == 0)
+  {
+    va_start(ap, message);
+    vsyslog(syslevels[level], message, ap);
+    va_end(ap);
+
+    return (1);
+  }
+#endif /* HAVE_VSYSLOG */
+
+ /*
+  * Not using syslog; check the log file...
+  */
+
+  if (!check_log_file(&ErrorFile, ErrorLog))
+    return (0);
+  
+ /*
+  * Print the log level and date/time...
+  */
+
+  fprintf(ErrorFile, "%c %s ", levels[level], GetDateTime(time(NULL)));
+
+ /*
+  * Then the log message...
+  */
+
+  va_start(ap, message);
+  len = vsnprintf(line, sizeof(line), message, ap);
+  va_end(ap);
+
+ /*
+  * Then a newline...
+  */
+
+  fputs(line, ErrorFile);
+  if (len > 0 && line[len - 1] != '\n')
+    putc('\n', ErrorFile);
+
+  fflush(ErrorFile);
+
+  return (1);
+}
+
+
+/*
+ * 'LogPage()' - Log a page to the page log file.
+ */
+
+int				/* O - 1 on success, 0 on error */
+LogPage(job_t       *job,	/* I - Job being printed */
+        const char  *page)	/* I - Page being printed */
+{
+  ipp_attribute_t *billing;	/* job-billing attribute */
+
+
+
+  billing = ippFindAttribute(job->attrs, "job-billing", IPP_TAG_ZERO);
+
+#ifdef HAVE_VSYSLOG
+ /*
+  * See if we are logging pages via syslog...
+  */
+
+  if (strcmp(PageLog, "syslog") == 0)
+  {
+    syslog(LOG_INFO, "PAGE %s %s %d %s %s", job->printer->name, job->username,
+           job->id, page, billing ? billing->values[0].string.text : "");
+
+    return (1);
+  }
+#endif /* HAVE_VSYSLOG */
+
+ /*
+  * Not using syslog; check the log file...
+  */
+
+  if (!check_log_file(&PageFile, PageLog))
+    return (0);
+
+ /*
+  * Print a page log entry of the form:
+  *
+  *    printer job-id user [DD/MON/YYYY:HH:MM:SS +TTTT] page num-copies billing
+  */
+
+  fprintf(PageFile, "%s %s %d %s %s %s\n", job->printer->name, job->username,
+          job->id, GetDateTime(time(NULL)), page,
+	  billing ? billing->values[0].string.text : "");
+  fflush(PageFile);
+
+  return (1);
+}
+
+
+/*
+ * 'LogRequest()' - Log an HTTP request in Common Log Format.
+ */
+
+int				/* O - 1 on success, 0 on error */
+LogRequest(client_t      *con,	/* I - Request to log */
+           http_status_t code)	/* I - Response code */
+{
+  static const char *states[] =	/* HTTP client states... */
+		{
+		  "WAITING",
+		  "OPTIONS",
+		  "GET",
+		  "GET",
+		  "HEAD",
+		  "POST",
+		  "POST",
+		  "POST",
+		  "PUT",
+		  "PUT",
+		  "DELETE",
+		  "TRACE",
+		  "CLOSE",
+		  "STATUS"
+		};
+
+
+#ifdef HAVE_VSYSLOG
+ /*
+  * See if we are logging accesses via syslog...
+  */
+
+  if (strcmp(AccessLog, "syslog") == 0)
+  {
+    syslog(LOG_INFO, "REQUEST %s - %s \"%s %s HTTP/%d.%d\" %d %d\n",
+           con->http.hostname, con->username[0] != '\0' ? con->username : "-",
+	   states[con->operation], con->uri,
+	   con->http.version / 100, con->http.version % 100,
+	   code, con->bytes);
+
+    return (1);
+  }
+#endif /* HAVE_VSYSLOG */
+
+ /*
+  * Not using syslog; check the log file...
+  */
+
+  if (!check_log_file(&AccessFile, AccessLog))
+    return (0);
+
+ /*
+  * Write a log of the request in "common log format"...
+  */
+
+  fprintf(AccessFile, "%s - %s %s \"%s %s HTTP/%d.%d\" %d %d\n",
+          con->http.hostname, con->username[0] != '\0' ? con->username : "-",
+	  GetDateTime(con->start), states[con->operation], con->uri,
+	  con->http.version / 100, con->http.version % 100,
+	  code, con->bytes);
+  fflush(AccessFile);
+
+  return (1);
+}
+
+
+/*
+ * 'check_log_file()' - Open/rotate a log file if it needs it.
+ */
+
+static int				/* O  - 1 if log file open */
+check_log_file(FILE       **log,	/* IO - Log file */
+	       const char *logname)	/* I  - Log filename */
+{
+  char	backname[1024],			/* Backup log filename */
+	filename[1024],			/* Formatted log filename */
+	*ptr;				/* Pointer into filename */
+
+
+ /*
+  * See if we have a log file to check...
+  */
+
+  if (log == NULL || logname == NULL || !logname[0])
+    return (1);
+
+ /*
+  * Format the filename as needed...
+  */
+
+  if (*log == NULL ||
+      (ftell(*log) > MaxLogSize && MaxLogSize > 0))
+  {
+   /*
+    * Handle format strings...
+    */
+
+    filename[sizeof(filename) - 1] = '\0';
+
+    if (logname[0] != '/')
+    {
+      strncpy(filename, ServerRoot, sizeof(filename) - 1);
+      strncat(filename, "/", sizeof(filename) - 1);
+    }
+    else
+      filename[0] = '\0';
+
+    for (ptr = filename + strlen(filename);
+         *logname && ptr < (filename + sizeof(filename) - 1);
+	 logname ++)
+      if (*logname == '%')
+      {
+       /*
+        * Format spec...
+	*/
+
+        logname ++;
+	if (*logname == 's')
+	{
+	 /*
+	  * Insert the server name...
+	  */
+
+	  strncpy(ptr, ServerName, sizeof(filename) - (ptr - filename) - 1);
+	  ptr += strlen(ptr);
+	}
+        else
+	{
+	 /*
+	  * Otherwise just insert the character...
+	  */
+
+	  *ptr++ = *logname;
+	}
+      }
+      else
+	*ptr++ = *logname;
+
+    *ptr = '\0';
+  }
+
+ /*
+  * See if the log file is open...
+  */
+
+  if (*log == NULL)
+  {
+   /*
+    * Nope, open the log file...
+    */
+
+    if ((*log = fopen(filename, "a")) == NULL)
+      return (0);
+  }
+
+ /*
+  * Do we need to rotate the log?
+  */
+
+  if (ftell(*log) > MaxLogSize && MaxLogSize > 0)
+  {
+   /*
+    * Rotate log file...
+    */
+
+    fclose(*log);
+
+    strcpy(backname, filename);
+    strncat(backname, ".O", sizeof(backname) - 1);
+    backname[sizeof(backname) - 1] = '\0';
+
+    unlink(backname);
+    rename(filename, backname);
+
+    if ((*log = fopen(filename, "a")) == NULL)
+      return (0);
+  }
+
+  return (1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/main.c b/scheduler/main.c
new file mode 100644
index 000000000..01befbd06
--- /dev/null
+++ b/scheduler/main.c
@@ -0,0 +1,802 @@
+/*
+ * "$Id$"
+ *
+ *   Scheduler main loop for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()               - Main entry for the CUPS scheduler.
+ *   CatchChildSignals()  - Catch SIGCHLD signals...
+ *   IgnoreChildSignals() - Ignore SIGCHLD signals...
+ *   sigchld_handler()    - Handle 'child' signals from old processes.
+ *   sighup_handler()     - Handle 'hangup' signals to reconfigure the scheduler.
+ *   sigterm_handler()    - Handle 'terminate' signals that stop the scheduler.
+ *   usage()              - Show scheduler usage.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#define _MAIN_C_
+#include "cupsd.h"
+#include <sys/resource.h>
+#include <syslog.h>
+
+#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
+#  include <malloc.h>
+#endif /* HAVE_MALLOC_H && HAVE_MALLINFO */
+
+#ifndef FD_SETSIZE
+#  define FD_SETSIZE	1024
+#endif /* !FD_SETSIZE */
+
+
+/*
+ * Local functions...
+ */
+
+static void	sigchld_handler(int sig);
+static void	sighup_handler(int sig);
+static void	sigterm_handler(int sig);
+static void	usage(void);
+
+
+/*
+ * 'main()' - Main entry for the CUPS scheduler.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int			i;		/* Looping var */
+  char			*opt;		/* Option character */
+  int			fg;		/* Run in the foreground */
+  fd_set		input,		/* Input set for select() */
+			output;		/* Output set for select() */
+  client_t		*con;		/* Current client */
+  job_t			*job,		/* Current job */
+			*next;		/* Next job */
+  listener_t		*lis;		/* Current listener */
+  time_t		activity;	/* Activity timer */
+  time_t		senddoc_time;	/* Send-Document time */
+#ifdef HAVE_MALLINFO
+  time_t		mallinfo_time;	/* Malloc information time */
+#endif /* HAVE_MALLINFO */
+  struct timeval	timeout;	/* select() timeout */
+  struct rlimit		limit;		/* Runtime limit */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction	action;		/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+#ifdef __sgi
+  FILE			*fp;		/* Fake lpsched lock file */
+#endif /* __sgi */
+
+
+ /*
+  * Check for command-line arguments...
+  */
+
+  fg = 0;
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      for (opt = argv[i] + 1; *opt != '\0'; opt ++)
+        switch (*opt)
+	{
+	  case 'c' : /* Configuration file */
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+              if (argv[i][0] == '/')
+	      {
+	       /*
+	        * Absolute directory...
+		*/
+
+		strncpy(ConfigurationFile, argv[i], sizeof(ConfigurationFile) - 1);
+		ConfigurationFile[sizeof(ConfigurationFile) - 1] = '\0';
+              }
+	      else
+	      {
+	       /*
+	        * Relative directory...
+		*/
+
+                getcwd(ConfigurationFile, sizeof(ConfigurationFile));
+		strncat(ConfigurationFile, "/", sizeof(ConfigurationFile) - 1);
+		strncat(ConfigurationFile, argv[i], sizeof(ConfigurationFile) - 1);
+		ConfigurationFile[sizeof(ConfigurationFile) - 1] = '\0';
+              }
+	      break;
+
+          case 'f' : /* Run in foreground... */
+	      fg = 1;
+	      break;
+
+	  default : /* Unknown option */
+              fprintf(stderr, "cupsd: Unknown option \'%c\' - aborting!\n", *opt);
+	      usage();
+	      break;
+	}
+    else
+    {
+      fprintf(stderr, "cupsd: Unknown argument \'%s\' - aborting!\n", argv[i]);
+      usage();
+    }
+
+ /*
+  * If the user hasn't specified "-f", run in the background...
+  */
+
+  if (!fg)
+  {
+    if (fork() > 0)
+      return (0);
+
+   /*
+    * Make sure we aren't tying up any filesystems...
+    */
+
+    chdir("/");
+
+#ifndef DEBUG
+   /*
+    * Disable core dumps...
+    */
+
+    getrlimit(RLIMIT_CORE, &limit);
+    limit.rlim_cur = 0;
+    setrlimit(RLIMIT_CORE, &limit);
+
+   /*
+    * Disconnect from the controlling terminal...
+    */
+
+    close(0);
+    close(1);
+    close(2);
+
+    setsid();
+#endif /* DEBUG */
+  }
+
+ /*
+  * Set the timezone info...
+  */
+
+  if (getenv("TZ") != NULL)
+    snprintf(TZ, sizeof(TZ), "TZ=%s", getenv("TZ"));
+
+  tzset();
+
+ /*
+  * Set the maximum number of files...
+  */
+
+  getrlimit(RLIMIT_NOFILE, &limit);
+  if (limit.rlim_max > FD_SETSIZE)	/* Can't exceed size of FD set! */
+    MaxFDs = FD_SETSIZE;
+  else
+    MaxFDs = limit.rlim_max;
+
+  limit.rlim_cur = MaxFDs;
+  setrlimit(RLIMIT_NOFILE, &limit);
+
+ /*
+  * Catch hangup and child signals and ignore broken pipes...
+  */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  if (RunAsUser)
+    sigset(SIGHUP, sigterm_handler);
+  else
+    sigset(SIGHUP, sighup_handler);
+  sigset(SIGPIPE, SIG_IGN);
+  sigset(SIGTERM, sigterm_handler);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  sigaddset(&action.sa_mask, SIGHUP);
+
+  if (RunAsUser)
+    action.sa_handler = sigterm_handler;
+  else
+    action.sa_handler = sighup_handler;
+
+  sigaction(SIGHUP, &action, NULL);
+
+  sigemptyset(&action.sa_mask);
+  action.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &action, NULL);
+
+  sigemptyset(&action.sa_mask);
+  sigaddset(&action.sa_mask, SIGTERM);
+  action.sa_handler = sigterm_handler;
+  sigaction(SIGTERM, &action, NULL);
+#else
+  if (RunAsUser)
+    signal(SIGHUP, sigterm_handler);
+  else
+    signal(SIGHUP, sighup_handler);
+
+  signal(SIGPIPE, SIG_IGN);
+  signal(SIGTERM, sigterm_handler);
+#endif /* HAVE_SIGSET */
+
+ /*
+  * Read configuration...
+  */
+
+  if (!ReadConfiguration())
+  {
+    syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
+           ConfigurationFile);
+    return (1);
+  }
+
+#ifdef __sgi
+ /*
+  * Try to create a fake lpsched lock file if one is not already there.
+  * Some Adobe applications need it under IRIX in order to enable
+  * printing...
+  */
+
+  if ((fp = fopen("/var/spool/lp/SCHEDLOCK", "a")) == NULL)
+  {
+    syslog(LOG_LPR, "Unable to create fake lpsched lock file "
+                    "\"/var/spool/lp/SCHEDLOCK\"\' - %s!",
+           strerror(errno));
+  }
+  else
+  {
+    fclose(fp);
+
+    chmod("/var/spool/lp/SCHEDLOCK", 0644);
+    chown("/var/spool/lp/SCHEDLOCK", User, Group);
+  }
+#endif /* __sgi */
+
+ /*
+  * Initialize authentication certificates...
+  */
+
+  InitCerts();
+
+ /*
+  * Load all the jobs...
+  */
+
+  LoadAllJobs();
+
+ /*
+  * Loop forever...
+  */
+
+  senddoc_time = time(NULL);
+
+#ifdef HAVE_MALLINFO
+  mallinfo_time = 0;
+#endif /* HAVE_MALLINFO */
+
+  for (;;)
+  {
+   /*
+    * Check if we need to load the server configuration file...
+    */
+
+    if (NeedReload)
+    {
+      if (NumClients > 0)
+      {
+        for (i = NumClients, con = Clients; i > 0; i --, con ++)
+	  if (con->http.state == HTTP_WAITING)
+	  {
+	    CloseClient(con);
+	    con --;
+	  }
+	  else
+	    con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+
+        PauseListening();
+      }
+      else if (!ReadConfiguration())
+      {
+        syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
+	       ConfigurationFile);
+        break;
+      }
+    }
+
+   /*
+    * Check for available input or ready output.  If select() returns
+    * 0 or -1, something bad happened and we should exit immediately.
+    *
+    * Note that we at least have one listening socket open at all
+    * times.
+    */
+
+    input  = InputSet;
+    output = OutputSet;
+
+    timeout.tv_sec  = 1;
+    timeout.tv_usec = 0;
+
+    for (i = NumClients, con = Clients; i > 0; i --, con ++)
+      if (con->http.used > 0)
+      {
+        timeout.tv_sec  = 0;
+	break;
+      }
+
+    if ((i = select(MaxFDs, &input, &output, NULL, &timeout)) < 0)
+    {
+      char	s[16384],	/* String buffer */
+		*sptr;		/* Pointer into buffer */
+      int	slen;		/* Length of string buffer */
+
+
+     /*
+      * Got an error from select!
+      */
+
+      if (errno == EINTR)	/* Just interrupted by a signal */
+        continue;
+
+     /*
+      * Log all sorts of debug info to help track down the problem.
+      */
+
+      LogMessage(L_EMERG, "select() failed - %s!", strerror(errno));
+
+      strcpy(s, "InputSet =");
+      slen = 9;
+      sptr = s + 9;
+
+      for (i = 0; i < MaxFDs; i ++)
+        if (FD_ISSET(i, &InputSet))
+          snprintf(sptr, sizeof(s) - slen, " %d", i);
+
+      LogMessage(L_EMERG, s);
+
+      strcpy(s, "OutputSet =");
+      slen = 10;
+      sptr = s + 10;
+
+      for (i = 0; i < MaxFDs; i ++)
+        if (FD_ISSET(i, &OutputSet))
+          snprintf(sptr, sizeof(s) - slen, " %d", i);
+
+      LogMessage(L_EMERG, s);
+
+      for (i = 0, con = Clients; i < NumClients; i ++, con ++)
+        LogMessage(L_EMERG, "Clients[%d] = %d, file = %d, state = %d",
+	           i, con->http.fd, con->file, con->http.state);
+
+      for (i = 0, lis = Listeners; i < NumListeners; i ++, lis ++)
+        LogMessage(L_EMERG, "Listeners[%d] = %d", i, lis->fd);
+
+      LogMessage(L_EMERG, "BrowseSocket = %d", BrowseSocket);
+
+      for (job = Jobs; job != NULL; job = job->next)
+        LogMessage(L_EMERG, "Jobs[%d] = %d", job->id, job->pipe);
+
+      break;
+    }
+
+    for (i = NumListeners, lis = Listeners; i > 0; i --, lis ++)
+      if (FD_ISSET(lis->fd, &input))
+        AcceptClient(lis);
+
+    for (i = NumClients, con = Clients; i > 0; i --, con ++)
+    {
+     /*
+      * Process the input buffer...
+      */
+
+      if (FD_ISSET(con->http.fd, &input) || con->http.used)
+        if (!ReadClient(con))
+	{
+	  con --;
+	  continue;
+	}
+
+     /*
+      * Write data as needed...
+      */
+
+      if (FD_ISSET(con->http.fd, &output) &&
+          (!con->pipe_pid || FD_ISSET(con->file, &input)))
+        if (!WriteClient(con))
+	{
+	  con --;
+	  continue;
+	}
+
+     /*
+      * Check the activity and close old clients...
+      */
+
+      activity = time(NULL) - Timeout;
+      if (con->http.activity < activity && !con->pipe_pid)
+      {
+        CloseClient(con);
+        con --;
+        continue;
+      }
+    }
+
+   /*
+    * Check for status info from job filters...
+    */
+
+    for (job = Jobs; job != NULL; job = next)
+    {
+      next = job->next;
+
+      if (job->pipe && FD_ISSET(job->pipe, &input))
+      {
+       /*
+        * Clear the input bit to avoid updating the next job
+	* using the same status pipe file descriptor...
+	*/
+
+        FD_CLR(job->pipe, &input);
+
+       /*
+        * Read any status messages from the filters...
+	*/
+
+        UpdateJob(job);
+      }
+    }
+
+   /*
+    * Update the browse list as needed...
+    */
+
+    if (Browsing)
+    {
+      if (FD_ISSET(BrowseSocket, &input))
+        UpdateCUPSBrowse();
+
+      if (PollPipe >= 0 && FD_ISSET(PollPipe, &input))
+        UpdatePolling();
+
+#ifdef HAVE_LIBSLP
+      if ((BrowseProtocols & BROWSE_SLP) && BrowseSLPRefresh <= time(NULL))
+        UpdateSLPBrowse();
+#endif /* HAVE_LIBSLP */
+
+      SendBrowseList();
+    }
+
+   /*
+    * Update any pending multi-file documents...
+    */
+
+    if ((time(NULL) - senddoc_time) >= 10)
+    {
+      CheckJobs();
+      senddoc_time = time(NULL);
+    }
+
+#ifdef HAVE_MALLINFO
+   /*
+    * Log memory usage every minute...
+    */
+
+    if ((time(NULL) - mallinfo_time) >= 60 && LogLevel >= L_DEBUG)
+    {
+      struct mallinfo mem;	/* Malloc information */
+
+
+      mem = mallinfo();
+      LogMessage(L_DEBUG, "mallinfo: arena = %d, used = %d, free = %d\n",
+                 mem.arena, mem.usmblks + mem.uordblks,
+		 mem.fsmblks + mem.fordblks);
+      mallinfo_time = time(NULL);
+    }
+#endif /* HAVE_MALLINFO */
+
+   /*
+    * Update the root certificate once every 5 minutes...
+    */
+
+    if ((time(NULL) - RootCertTime) >= 300)
+    {
+     /*
+      * Update the root certificate...
+      */
+
+      DeleteCert(0);
+      AddCert(0, "root");
+    }
+  }
+
+ /*
+  * If we get here something very bad happened and we need to exit
+  * immediately.
+  */
+
+  DeleteAllCerts();
+  CloseAllClients();
+  StopListening();
+
+  return (1);
+}
+
+
+/*
+ * 'CatchChildSignals()' - Catch SIGCHLD signals...
+ */
+
+void
+CatchChildSignals(void)
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction	action;		/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGCHLD, sigchld_handler);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  sigaddset(&action.sa_mask, SIGCHLD);
+  action.sa_handler = sigchld_handler;
+  sigaction(SIGCHLD, &action, NULL);
+#else
+  signal(SIGCLD, sigchld_handler);	/* No, SIGCLD isn't a typo... */
+#endif /* HAVE_SIGSET */
+}
+
+
+/*
+ * 'IgnoreChildSignals()' - Ignore SIGCHLD signals...
+ */
+
+void
+IgnoreChildSignals(void)
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction	action;		/* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+  sigset(SIGCHLD, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+  memset(&action, 0, sizeof(action));
+
+  sigemptyset(&action.sa_mask);
+  sigaddset(&action.sa_mask, SIGCHLD);
+  action.sa_handler = SIG_IGN;
+  sigaction(SIGCHLD, &action, NULL);
+#else
+  signal(SIGCLD, SIG_IGN);	/* No, SIGCLD isn't a typo... */
+#endif /* HAVE_SIGSET */
+}
+
+
+/*
+ * 'sigchld_handler()' - Handle 'child' signals from old processes.
+ */
+
+static void
+sigchld_handler(int sig)	/* I - Signal number */
+{
+  int		status;		/* Exit status of child */
+  int		pid;		/* Process ID of child */
+  job_t		*job;		/* Current job */
+  int		i;		/* Looping var */
+
+
+  (void)sig;
+
+#ifdef HAVE_WAITPID
+  while ((pid = waitpid(-1, &status, WNOHANG)) > 0)
+#elif defined(HAVE_WAIT3)
+  while ((pid = wait3(&status, WNOHANG, NULL)) > 0)
+#else
+  if ((pid = wait(&status)) > 0)
+#endif /* HAVE_WAITPID */
+  {
+    DEBUG_printf(("sigcld_handler: pid = %d, status = %d\n", pid, status));
+
+   /*
+    * Delete certificates for CGI processes...
+    */
+
+    if (pid)
+      DeleteCert(pid);
+
+   /*
+    * Ignore SIGTERM errors - that comes when a job is cancelled...
+    */
+
+    if (status == SIGTERM)
+      status = 0;
+
+    if (status)
+    {
+      if (status < 256)
+	LogMessage(L_ERROR, "PID %d crashed on signal %d!", pid, status);
+      else
+	LogMessage(L_ERROR, "PID %d stopped with status %d!", pid,
+	           status / 256);
+    }
+
+    for (job = Jobs; job != NULL; job = job->next)
+      if (job->state->values[0].integer == IPP_JOB_PROCESSING)
+      {
+	for (i = 0; job->procs[i]; i ++)
+          if (job->procs[i] == pid)
+	    break;
+
+	if (job->procs[i])
+	{
+	 /*
+          * OK, this process has gone away; what's left?
+	  */
+
+          job->procs[i] = -pid;
+
+          if (status && job->status >= 0)
+	  {
+	   /*
+	    * An error occurred; save the exit status so we know to stop
+	    * the printer or cancel the job when all of the filters finish...
+	    *
+	    * A negative status indicates that the backend failed and the
+	    * printer needs to be stopped.
+	    */
+
+            if (!job->procs[i + 1])
+ 	      job->status = -status;	/* Backend failed */
+	    else
+ 	      job->status = status;	/* Filter failed */
+	  }
+	  break;
+	}
+      }
+  }
+
+#ifdef HAVE_SIGSET
+  sigset(SIGCHLD, sigchld_handler);
+#elif !defined(HAVE_SIGACTION)
+  signal(SIGCLD, sigchld_handler);
+#endif /* HAVE_SIGSET */
+}
+
+
+/*
+ * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler.
+ */
+
+static void
+sighup_handler(int sig)	/* I - Signal number */
+{
+  (void)sig;
+
+  NeedReload = TRUE;
+
+#ifdef HAVE_SIGSET
+  sigset(SIGHUP, sighup_handler);
+#elif !defined(HAVE_SIGACTION)
+  signal(SIGHUP, sighup_handler);
+#endif /* HAVE_SIGSET */
+}
+
+
+/*
+ * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler.
+ */
+
+static void
+sigterm_handler(int sig)
+{
+#ifdef __sgi
+  struct stat	statbuf;		/* Needed for checking lpsched FIFO */
+#endif /* __sgi */
+
+
+  (void)sig;	/* remove compiler warnings... */
+
+ /*
+  * Log an error...
+  */
+
+  LogMessage(L_ERROR, "Scheduler shutting down due to SIGTERM.");
+
+ /*
+  * Close all network clients and stop all jobs...
+  */
+
+  CloseAllClients();
+  StopListening();
+  StopPolling();
+  StopBrowsing();
+
+  if (Clients != NULL)
+    free(Clients);
+
+  StopAllJobs();
+
+  if (AccessFile != NULL)
+    fclose(AccessFile);
+
+  if (ErrorFile != NULL)
+    fclose(ErrorFile);
+
+  if (PageFile != NULL)
+    fclose(PageFile);
+
+  DeleteAllLocations();
+
+  DeleteAllClasses();
+
+  if (Devices)
+    ippDelete(Devices);
+
+  if (PPDs)
+    ippDelete(PPDs);
+
+  DeleteAllPrinters();
+
+  if (MimeDatabase != NULL)
+    mimeDelete(MimeDatabase);
+
+#ifdef __sgi
+ /*
+  * Remove the fake IRIX lpsched lock file, but only if the existing
+  * file is not a FIFO which indicates that the real IRIX lpsched is
+  * running...
+  */
+
+  if (!stat("/var/spool/lp/FIFO", &statbuf))
+    if (!S_ISFIFO(statbuf.st_mode))
+      unlink("/var/spool/lp/SCHEDLOCK");
+#endif /* __sgi */
+
+  exit(1);
+}
+
+
+/*
+ * 'usage()' - Show scheduler usage.
+ */
+
+static void
+usage(void)
+{
+  fputs("Usage: cupsd [-c config-file] [-f]\n", stderr);
+  exit(1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/mime.c b/scheduler/mime.c
new file mode 100644
index 000000000..96ed3ee5e
--- /dev/null
+++ b/scheduler/mime.c
@@ -0,0 +1,579 @@
+/*
+ * "$Id$"
+ *
+ *   MIME database file routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   mimeDelete()   - Delete (free) a MIME database.
+ *   mimeMerge()    - Merge a MIME database from disk with the current one.
+ *   mimeNew()      - Create a new, empty MIME database.
+ *   load_types()   - Load a xyz.types file...
+ *   delete_rules() - Free all memory for the given rule tree.
+ *   load_convs()   - Load a xyz.convs file...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <cups/string.h>
+#include "mime.h"
+
+#ifdef WIN32
+#  include <windows.h>
+#elif HAVE_DIRENT_H
+#  include <dirent.h>
+typedef struct dirent DIRENT;
+#  define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+#  if HAVE_SYS_NDIR_H
+#    include <sys/ndir.h>
+#  endif
+#  if HAVE_SYS_DIR_H
+#    include <sys/dir.h>
+#  endif
+#  if HAVE_NDIR_H
+#    include <ndir.h>
+#  endif
+typedef struct direct DIRENT;
+#  define NAMLEN(dirent) (dirent)->d_namlen
+#endif
+
+
+/*
+ * Local functions...
+ */
+
+static void	load_types(mime_t *mime, char *filename);
+static void	load_convs(mime_t *mime, char *filename);
+static void	delete_rules(mime_magic_t *rules);
+
+
+/*
+ * 'mimeDelete()' - Delete (free) a MIME database.
+ */
+
+void
+mimeDelete(mime_t *mime)	/* I - MIME database */
+{
+  int	i;			/* Looping var */
+
+
+  if (mime == NULL)
+    return;
+
+ /*
+  * Loop through the file types and delete any rules...
+  */
+
+  for (i = 0; i < mime->num_types; i ++)
+  {
+    delete_rules(mime->types[i]->rules);
+    free(mime->types[i]);
+  }
+
+ /*
+  * Free the types and filters arrays, and then the MIME database structure.
+  */
+
+  free(mime->types);
+  free(mime->filters);
+  free(mime);
+}
+
+
+/*
+ * 'mimeMerge()' - Merge a MIME database from disk with the current one.
+ */
+
+mime_t *			/* O - Updated MIME database */
+mimeMerge(mime_t     *mime,	/* I - MIME database to add to */
+          const char *pathname)	/* I - Directory to load */
+{
+#ifdef WIN32
+  HANDLE	dir;		/* Directory handle */
+  WIN32_FIND_DATA dent;		/* Directory entry */
+  char		filename[1024],	/* Full filename of types/converts file */
+		*pathsep;	/* Last character in path */
+
+
+ /*
+  * First open the directory specified by pathname...  Return NULL if nothing
+  * was read or if the pathname is NULL...
+  */
+
+  if (pathname == NULL)
+    return (NULL);
+
+  strncpy(filename, pathname, sizeof(filename) - 1);
+  filename[sizeof(filename) - 1] = '\0';
+
+  pathsep = filename + strlen(filename);
+  if ((pathsep - filename + 9) > sizeof(filename))
+    return (NULL);
+
+  if (pathsep == filename ||
+      (pathsep[-1] != '/' && pathsep[-1] != '\\'))
+  {
+    strcpy(pathsep, "/");
+    pathsep ++;
+  }
+
+  strcpy(pathsep, "*.types");
+  
+  if ((dir = FindFirstFile(filename, &dent)) == 0)
+    return (NULL);
+
+ /*
+  * If "mime" is NULL, make a new, blank database...
+  */
+
+  if (mime == NULL)
+    if ((mime = mimeNew()) == NULL)
+      return (NULL);
+
+ /*
+  * Read all the .types files...
+  */
+
+  do
+  {
+   /*
+    * Load a mime.types file...
+    */
+
+    if ((pathsep - filename + strlen(dent.cFileName)) >= sizeof(filename))
+      continue;
+
+    strcpy(pathsep, dent.cFileName);
+    load_types(mime, filename);
+  }
+  while (FindNextFile(dir, &dent));
+
+  FindClose(dir);
+
+ /*
+  * Read all the .convs files...
+  */
+
+  strcpy(pathsep, "*.convs");
+  
+  if ((dir = FindFirstFile(filename, &dent)) == 0)
+    return (mime);
+
+  do
+  {
+   /*
+    * Load a mime.convs file...
+    */
+
+    if ((pathsep - filename + strlen(dent.cFileName)) >= sizeof(filename))
+      continue;
+
+    strcpy(pathsep, dent.cFileName);
+    load_convs(mime, filename);
+  }
+  while (FindNextFile(dir, &dent));
+
+  FindClose(dir);
+
+  return (mime);
+#else
+  DIR		*dir;		/* Directory */
+  DIRENT	*dent;		/* Directory entry */
+  char		filename[1024];	/* Full filename of types/converts file */
+
+
+ /*
+  * First open the directory specified by pathname...  Return NULL if nothing
+  * was read or if the pathname is NULL...
+  */
+
+  if (pathname == NULL)
+    return (NULL);
+
+  if ((dir = opendir(pathname)) == NULL)
+    return (NULL);
+
+ /*
+  * If "mime" is NULL, make a new, blank database...
+  */
+
+  if (mime == NULL)
+    if ((mime = mimeNew()) == NULL)
+      return (NULL);
+
+ /*
+  * Read all the .types files...
+  */
+
+  while ((dent = readdir(dir)) != NULL)
+  {
+    if (NAMLEN(dent) > 6 &&
+        strcmp(dent->d_name + NAMLEN(dent) - 6, ".types") == 0)
+    {
+     /*
+      * Load a mime.types file...
+      */
+
+      snprintf(filename, sizeof(filename), "%s/%s", pathname, dent->d_name);
+      load_types(mime, filename);
+    }
+  }
+
+  rewinddir(dir);
+
+ /*
+  * Read all the .convs files...
+  */
+
+  while ((dent = readdir(dir)) != NULL)
+  {
+    if (NAMLEN(dent) > 6 &&
+        strcmp(dent->d_name + NAMLEN(dent) - 6, ".convs") == 0)
+    {
+     /*
+      * Load a mime.convs file...
+      */
+
+      snprintf(filename, sizeof(filename), "%s/%s", pathname, dent->d_name);
+      load_convs(mime, filename);
+    }
+  }
+
+  closedir(dir);
+
+  return (mime);
+#endif /* WIN32 */
+}
+
+
+/*
+ * 'mimeNew()' - Create a new, empty MIME database.
+ */
+
+mime_t *			/* O - MIME database */
+mimeNew(void)
+{
+  return ((mime_t *)calloc(1, sizeof(mime_t)));
+}
+
+
+/*
+ * 'load_types()' - Load a xyz.types file...
+ */
+
+static void
+load_types(mime_t *mime,		/* I - MIME database */
+           char   *filename)		/* I - Types file to load */
+{
+  FILE		*fp;			/* Types file */
+  int		linelen;		/* Length of line */
+  char		line[65536],		/* Input line from file */
+		*lineptr,		/* Current position in line */
+		super[MIME_MAX_SUPER],	/* Super-type name */
+		type[MIME_MAX_TYPE],	/* Type name */
+		*temp;			/* Temporary pointer */
+  mime_type_t	*typeptr;		/* New MIME type */
+
+
+ /*
+  * First try to open the file...
+  */
+
+  if ((fp = fopen(filename, "r")) == NULL)
+    return;
+
+ /*
+  * Then read each line from the file, skipping any comments in the file...
+  */
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+    linelen = strlen(line);
+
+   /*
+    * While the last character in the line is a backslash, continue on to the
+    * next line (and the next, etc.)
+    */
+
+    if (line[linelen - 1] == '\n')
+    {
+      line[linelen - 1] = '\0';
+      linelen --;
+    }
+
+    while (line[linelen - 1] == '\\')
+    {
+      linelen --;
+
+      if (fgets(line + linelen, sizeof(line) - linelen, fp) == NULL)
+        line[linelen] = '\0';
+      else
+      {
+        linelen += strlen(line + linelen);
+	if (line[linelen - 1] == '\n')
+	{
+	  line[linelen - 1] = '\0';
+	  linelen --;
+	}
+      }
+    }
+
+   /*
+    * Skip blank lines and lines starting with a #...
+    */
+
+    if (line[0] == '\n' || line[0] == '#')
+      continue;
+
+   /*
+    * Extract the super-type and type names from the beginning of the line.
+    */
+
+    lineptr = line;
+    temp    = super;
+
+    while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' &&
+           (temp - super + 1) < MIME_MAX_SUPER)
+      *temp++ = tolower(*lineptr++);
+
+    *temp = '\0';
+
+    if (*lineptr != '/')
+      continue;
+
+    lineptr ++;
+    temp = type;
+
+    while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' &&
+           *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE)
+      *temp++ = tolower(*lineptr++);
+
+    *temp = '\0';
+
+   /*
+    * Add the type and rules to the MIME database...
+    */
+
+    typeptr = mimeAddType(mime, super, type);
+    mimeAddTypeRule(typeptr, lineptr);
+  }
+
+  fclose(fp);
+}
+
+
+/*
+ * 'load_convs()' - Load a xyz.convs file...
+ */
+
+static void
+load_convs(mime_t *mime,		/* I - MIME database */
+           char   *filename)		/* I - Convs file to load */
+{
+  int		i;			/* Looping var */
+  FILE		*fp;			/* Convs file */
+  char		line[1024],		/* Input line from file */
+		*lineptr,		/* Current position in line */
+		super[MIME_MAX_SUPER],	/* Super-type name */
+		type[MIME_MAX_TYPE],	/* Type name */
+		*temp,			/* Temporary pointer */
+		*filter;		/* Filter program */
+  mime_type_t	**temptype,		/* MIME type looping var */
+		*dsttype;		/* Destination MIME type */
+  int		cost;			/* Cost of filter */
+
+
+ /*
+  * First try to open the file...
+  */
+
+  if ((fp = fopen(filename, "r")) == NULL)
+    return;
+
+ /*
+  * Then read each line from the file, skipping any comments in the file...
+  */
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+   /*
+    * Skip blank lines and lines starting with a #...
+    */
+
+    if (line[0] == '\n' || line[0] == '#')
+      continue;
+
+   /*
+    * Strip trailing whitespace...
+    */
+
+    for (lineptr = line + strlen(line) - 1;
+         lineptr >= line && isspace(*lineptr);
+	 lineptr --)
+      *lineptr = '\0';
+
+   /*
+    * Extract the destination super-type and type names from the middle of
+    * the line.
+    */
+
+    lineptr = line;
+    while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\0')
+      lineptr ++;
+
+    while (*lineptr == ' ' || *lineptr == '\t')
+      lineptr ++;
+
+    temp = super;
+
+    while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' &&
+           (temp - super + 1) < MIME_MAX_SUPER)
+      *temp++ = tolower(*lineptr++);
+
+    *temp = '\0';
+
+    if (*lineptr != '/')
+      continue;
+
+    lineptr ++;
+    temp = type;
+
+    while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' &&
+           *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE)
+      *temp++ = tolower(*lineptr++);
+
+    *temp = '\0';
+
+    if (*lineptr == '\0' || *lineptr == '\n')
+      continue;
+
+    if ((dsttype = mimeType(mime, super, type)) == NULL)
+      continue;
+
+   /*
+    * Then get the cost and filter program...
+    */
+
+    while (*lineptr == ' ' || *lineptr == '\t')
+      lineptr ++;
+
+    if (*lineptr < '0' || *lineptr > '9')
+      continue;
+
+    cost = atoi(lineptr);
+
+    while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\0')
+      lineptr ++;
+    while (*lineptr == ' ' || *lineptr == '\t')
+      lineptr ++;
+
+    if (*lineptr == '\0' || *lineptr == '\n')
+      continue;
+
+    filter = lineptr;
+
+   /*
+    * Finally, get the source super-type and type names from the beginning of
+    * the line.  We do it here so we can support wildcards...
+    */
+
+    lineptr = line;
+    temp    = super;
+
+    while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' &&
+           (temp - super + 1) < MIME_MAX_SUPER)
+      *temp++ = tolower(*lineptr++);
+
+    *temp = '\0';
+
+    if (*lineptr != '/')
+      continue;
+
+    lineptr ++;
+    temp = type;
+
+    while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' &&
+           *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE)
+      *temp++ = tolower(*lineptr++);
+
+    *temp = '\0';
+
+    if (strcmp(super, "*") == 0 && strcmp(type, "*") == 0)
+    {
+     /*
+      * Force * / * to be "application/octet-stream"...
+      */
+
+      strcpy(super, "application");
+      strcpy(type, "octet-stream");
+    }
+
+   /*
+    * Add the filter to the MIME database, supporting wildcards as needed...
+    */
+
+    for (temptype = mime->types, i = 0; i < mime->num_types; i ++, temptype ++)
+      if ((super[0] == '*' || strcmp((*temptype)->super, super) == 0) &&
+          (type[0] == '*' || strcmp((*temptype)->type, type) == 0))
+	mimeAddFilter(mime, *temptype, dsttype, cost, filter);
+  }
+
+  fclose(fp);
+}
+
+
+/*
+ * 'delete_rules()' - Free all memory for the given rule tree.
+ */
+
+static void
+delete_rules(mime_magic_t *rules)	/* I - Rules to free */
+{
+  mime_magic_t	*next;			/* Next rule to free */
+
+
+ /*
+  * Free the rules list, descending recursively to free any child rules.
+  */
+
+  while (rules != NULL)
+  {
+    next = rules->next;
+
+    if (rules->child != NULL)
+      delete_rules(rules->child);
+
+    free(rules);
+    rules = next;
+  }
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/mime.h b/scheduler/mime.h
new file mode 100644
index 000000000..6d9e8f870
--- /dev/null
+++ b/scheduler/mime.h
@@ -0,0 +1,139 @@
+/*
+ * "$Id$"
+ *
+ *   MIME type/conversion database definitions for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+#ifndef _MIME_H_
+#  define _MIME_H_
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef _cplusplus
+extern "C" {
+#  endif /* _cplusplus */
+
+
+/*
+ * Constants...
+ */
+
+#  define MIME_MAX_SUPER	16	/* Maximum size of supertype name */
+#  define MIME_MAX_TYPE		32	/* Maximum size of type name */
+#  define MIME_MAX_FILTER	256	/* Maximum size of filter pathname */
+#  define MIME_MAX_BUFFER	8192	/* Maximum size of file buffer */
+
+
+/*
+ * Types/structures...
+ */
+
+typedef enum
+{
+  MIME_MAGIC_NOP,	/* No operation */
+  MIME_MAGIC_AND,	/* Logical AND of all children */
+  MIME_MAGIC_OR,	/* Logical OR of all children */
+  MIME_MAGIC_MATCH,	/* Filename match */
+  MIME_MAGIC_ASCII,	/* ASCII characters in range */
+  MIME_MAGIC_PRINTABLE,	/* Printable characters (32-255) in range */
+  MIME_MAGIC_STRING,	/* String matches */
+  MIME_MAGIC_CHAR,	/* Character/byte matches */
+  MIME_MAGIC_SHORT,	/* Short/16-bit word matches */
+  MIME_MAGIC_INT,	/* Integer/32-bit word matches */
+  MIME_MAGIC_LOCALE,	/* Current locale matches string */
+  MIME_MAGIC_CONTAINS	/* File contains a string */
+} mime_op_t;
+
+typedef struct mime_magic_str		/**** MIME Magic Data ****/
+{
+  struct mime_magic_str	*prev,		/* Previous rule */
+			*next,		/* Next rule */
+			*parent,	/* Parent rules */
+			*child;		/* Child rules */
+  short		op,			/* Operation code (see above) */
+		invert;			/* Invert the result */
+  int		offset,			/* Offset in file */
+		region,			/* Region length */
+		length;			/* Length of data */
+  union
+  {
+    char	matchv[64];		/* Match value */
+    char	localev[64];		/* Locale value */
+    char	stringv[64];		/* String value */
+    char	charv;			/* Byte value */
+    short	shortv;			/* Short value */
+    int		intv;			/* Integer value */
+  }		value;
+} mime_magic_t;
+
+typedef struct				/**** MIME Type Data ****/
+{
+  char		super[MIME_MAX_SUPER],	/* Super-type name ("image", "application", etc.) */
+		type[MIME_MAX_TYPE];	/* Type name ("png", "postscript", etc.) */
+  mime_magic_t	*rules;			/* Rules used to detect this type */
+} mime_type_t;
+
+typedef struct				/**** MIME Conversion Filter Data ****/
+{
+  mime_type_t	*src,			/* Source type */
+		*dst;			/* Destination type */
+  int		cost;			/* Relative cost */
+  char		filter[MIME_MAX_FILTER];/* Filter program to use */
+} mime_filter_t;
+
+typedef struct				/**** MIME Database ****/
+{
+  int		num_types;		/* Number of file types */
+  mime_type_t	**types;		/* File types */
+  int		num_filters;		/* Number of type conversion filters */
+  mime_filter_t	*filters;		/* Type conversion filters */
+} mime_t;
+
+
+/*
+ * Functions...
+ */
+
+extern void		mimeDelete(mime_t *mime);
+#define mimeLoad(pathname)	mimeMerge((mime_t *)0, (pathname));
+extern mime_t		*mimeMerge(mime_t *mime, const char *pathname);
+extern mime_t		*mimeNew(void);
+
+extern mime_type_t	*mimeAddType(mime_t *mime, const char *super, const char *type);
+extern int		mimeAddTypeRule(mime_type_t *mt, const char *rule);
+extern mime_type_t	*mimeFileType(mime_t *mime, const char *pathname);
+extern mime_type_t	*mimeType(mime_t *mime, const char *super, const char *type);
+
+extern mime_filter_t	*mimeAddFilter(mime_t *mime, mime_type_t *src, mime_type_t *dst,
+			               int cost, const char *filter);
+extern mime_filter_t	*mimeFilter(mime_t *mime, mime_type_t *src, mime_type_t *dst,
+			            int *num_filters);
+
+#  ifdef _cplusplus
+}
+#  endif /* _cplusplus */
+#endif /* !_MIME_H_ */
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/ppds.c b/scheduler/ppds.c
new file mode 100644
index 000000000..9ee566918
--- /dev/null
+++ b/scheduler/ppds.c
@@ -0,0 +1,897 @@
+/*
+ * "$Id$"
+ *
+ *   PPD scanning routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   LoadPPDs()      - Load PPD files from the specified directory...
+ *   buf_read()      - Read a buffer of data into memory...
+ *   check_ppds()    - Check to see if we need to regenerate the PPD file
+ *                     list...
+ *   compare_names() - Compare PPD filenames for sorting.
+ *   compare_ppds()  - Compare PPD file make and model names for sorting.
+ *   load_ppds()     - Load PPD files recursively.
+ *   ppd_gets()      - Read a line from a PPD file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+#include <ctype.h>
+
+#ifdef HAVE_LIBZ
+#  include <zlib.h>
+#else
+#  define gzFile	FILE *
+#  define gzclose	fclose
+#  define gzread(f,b,l)	fread((b), 1, (l), (f))
+#  define gzopen	fopen
+#endif /* HAVE_LIBZ */
+
+
+/*
+ * PPD information structures...
+ */
+
+typedef struct
+{
+  char	ppd_make[128],			/* Manufacturer */
+	ppd_make_and_model[248];	/* Make and model */
+  int	ppd_size,			/* Size in bytes */
+	ppd_mtime;			/* Modification time */
+  char	ppd_name[256],			/* PPD filename */
+	ppd_natural_language[16];	/* Natural language */
+} ppd_rec_t;
+
+typedef struct
+{
+  int		found;			/* 1 if PPD is found */
+  ppd_rec_t	record;			/* ppds.dat record */
+} ppd_info_t;
+
+
+/*
+ * Buffered file structure...
+ */
+
+typedef struct
+{
+  gzFile	fp;			/* Pointer to file */
+  char		*ptr,			/* Pointer in buffer */
+		*end,			/* End of buffer */
+		buf[1024];		/* Buffer */
+} buf_t;
+
+
+/*
+ * Local globals...
+ */
+
+static int		num_ppds,	/* Number of PPD files */
+			alloc_ppds;	/* Number of allocated entries */
+static ppd_info_t	*ppds;		/* PPD file info */
+static int		changed_ppd;	/* Did we change the PPD database? */
+
+
+/*
+ * Local functions...
+ */
+
+static int	buf_read(buf_t *fp);
+static int	compare_names(const ppd_info_t *p0, const ppd_info_t *p1);
+static int	compare_ppds(const ppd_info_t *p0, const ppd_info_t *p1);
+static void	load_ppds(const char *d, const char *p);
+static char	*ppd_gets(buf_t *fp, char *buf, int buflen);
+
+
+/*
+ * 'LoadPPDs()' - Load PPD files from the specified directory...
+ */
+
+void
+LoadPPDs(const char *d)		/* I - Directory to scan... */
+{
+  int		i;		/* Looping var */
+  ppd_info_t	*ppd;		/* Current PPD file */
+  FILE		*fp;		/* ppds.dat file */
+  struct stat	fileinfo;	/* ppds.dat information */
+  char		filename[1024];	/* ppds.dat filename */
+
+
+ /*
+  * See if we a PPD database file...
+  */
+
+  num_ppds    = 0;
+  alloc_ppds  = 0;
+  ppds        = (ppd_info_t *)0;
+  changed_ppd = 0;
+
+  snprintf(filename, sizeof(filename), "%s/ppds.dat", ServerRoot);
+  if (!stat(filename, &fileinfo) &&
+      (num_ppds = fileinfo.st_size / sizeof(ppd_rec_t)) > 0)
+  {
+   /*
+    * We have a ppds.dat file, so read it!
+    */
+
+    alloc_ppds = num_ppds;
+
+    if ((ppds = malloc(sizeof(ppd_info_t) * num_ppds)) == NULL)
+    {
+      LogMessage(L_ERROR, "LoadPPDs: Unable to allocate memory for %d PPD files!",
+                 num_ppds);
+      num_ppds   = 0;
+      alloc_ppds = 0;
+    }
+    else if ((fp = fopen(filename, "rb")) != NULL)
+    {
+      for (i = num_ppds, ppd = ppds; i > 0; i --, ppd ++)
+      {
+        fread(&(ppd->record), 1, sizeof(ppd_rec_t), fp);
+	ppd->found = 0;
+      }
+
+      fclose(fp);
+
+      LogMessage(L_INFO, "LoadPPDs: Read \"%s\", %d PPDs...", filename,
+                 num_ppds);
+
+     /*
+      * Sort the PPDs by name...
+      */
+
+      if (num_ppds > 1)
+	qsort(ppds, num_ppds, sizeof(ppd_info_t),
+              (int (*)(const void *, const void *))compare_names);
+    }
+    else
+    {
+      LogMessage(L_ERROR, "LoadPPDs: Unable to read \"%s\" - %s", filename,
+                 strerror(errno));
+      num_ppds = 0;
+    }
+  }
+
+ /*
+  * Load all PPDs in the specified directory and below...
+  */
+
+  load_ppds(d, "");
+
+ /*
+  * Cull PPD files that are no longer present...
+  */
+
+  for (i = num_ppds, ppd = ppds; i > 0; i --, ppd ++)
+    if (!ppd->found)
+    {
+     /*
+      * Remove this PPD file from the list...
+      */
+
+      if (i > 1)
+        memcpy(ppd, ppd + 1, (i - 1) * sizeof(ppd_info_t));
+
+      num_ppds --;
+      ppd --;
+    }
+
+ /*
+  * Sort the PPDs by make and model...
+  */
+
+  if (num_ppds > 1)
+    qsort(ppds, num_ppds, sizeof(ppd_info_t),
+          (int (*)(const void *, const void *))compare_ppds);
+
+ /*
+  * Write the new ppds.dat file...
+  */
+
+  if (changed_ppd)
+  {
+    if ((fp = fopen(filename, "wb")) != NULL)
+    {
+      for (i = num_ppds, ppd = ppds; i > 0; i --, ppd ++)
+	fwrite(&(ppd->record), 1, sizeof(ppd_rec_t), fp);
+
+      fclose(fp);
+
+      LogMessage(L_INFO, "LoadPPDs: Wrote \"%s\", %d PPDs...", filename,
+        	 num_ppds);
+    }
+    else
+      LogMessage(L_ERROR, "LoadPPDs: Unable to write \"%s\" - %s", filename,
+        	 strerror(errno));
+  }
+  else
+    LogMessage(L_INFO, "LoadPPDs: No new or changed PPDs...");
+
+ /*
+  * Create the list of PPDs...
+  */
+
+  PPDs = ippNew();
+
+ /*
+  * First the raw driver...
+  */
+
+  ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+               "ppd-name", NULL, "raw");
+  ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+               "ppd-make", NULL, "Raw");
+  ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+               "ppd-make-and-model", NULL, "Raw Queue");
+  ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_LANGUAGE,
+               "ppd-natural-language", NULL, "en");
+
+ /*
+  * Then the PPD files...
+  */
+
+  for (i = num_ppds, ppd = ppds; i > 0; i --, ppd ++)
+  {
+    ippAddSeparator(PPDs);
+
+    ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                 "ppd-name", NULL, ppd->record.ppd_name);
+    ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                 "ppd-make", NULL, ppd->record.ppd_make);
+    ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                 "ppd-make-and-model", NULL, ppd->record.ppd_make_and_model);
+    ippAddString(PPDs, IPP_TAG_PRINTER, IPP_TAG_LANGUAGE,
+                 "ppd-natural-language", NULL, ppd->record.ppd_natural_language);
+  }
+
+ /*
+  * Free the memory used...
+  */
+
+  if (alloc_ppds)
+  {
+    free(ppds);
+    alloc_ppds = 0;
+  }
+}
+
+
+/*
+ * 'buf_read()' - Read a buffer of data into memory...
+ */
+
+static int			/* O - Number of bytes read */
+buf_read(buf_t *fp)		/* I - File to read from */
+{
+  int	count;			/* Number of bytes read */
+
+
+  if ((count = gzread(fp->fp, fp->buf, sizeof(fp->buf))) > 0)
+  {
+    fp->ptr = fp->buf;
+    fp->end = fp->buf + count;
+  }
+  else
+  {
+    fp->ptr = NULL;
+    fp->end = NULL;
+  }
+
+  return (count);
+}
+
+
+/*
+ * 'compare_names()' - Compare PPD filenames for sorting.
+ */
+
+static int				/* O - Result of comparison */
+compare_names(const ppd_info_t *p0,	/* I - First PPD file */
+              const ppd_info_t *p1)	/* I - Second PPD file */
+{
+  return (strcasecmp(p0->record.ppd_name, p1->record.ppd_name));
+}
+
+
+/*
+ * 'compare_ppds()' - Compare PPD file make and model names for sorting.
+ */
+
+static int				/* O - Result of comparison */
+compare_ppds(const ppd_info_t *p0,	/* I - First PPD file */
+             const ppd_info_t *p1)	/* I - Second PPD file */
+{
+  const char	*s,			/* First name */
+		*t;			/* Second name */
+  int		diff,			/* Difference between digits */
+		digits;			/* Number of digits */
+
+
+ /*
+  * First compare manufacturers...
+  */
+
+  if ((diff = strcasecmp(p0->record.ppd_make, p1->record.ppd_make)) != 0)
+    return (diff);
+
+ /* 
+  * Then compare names...
+  */
+
+  s = p0->record.ppd_make_and_model;
+  t = p1->record.ppd_make_and_model;
+
+ /*
+  * Loop through both nicknames, returning only when a difference is
+  * seen.  Also, compare whole numbers rather than just characters, too!
+  */
+
+  while (*s && *t)
+  {
+    if (isdigit(*s) && isdigit(*t))
+    {
+     /*
+      * Got a number; start by skipping leading 0's...
+      */
+
+      while (*s == '0')
+        s ++;
+      while (*t == '0')
+        t ++;
+
+     /*
+      * Skip equal digits...
+      */
+
+      while (isdigit(*s) && *s == *t)
+      {
+        s ++;
+	t ++;
+      }
+
+     /*
+      * Bounce out if *s and *t aren't both digits...
+      */
+
+      if (isdigit(*s) && !isdigit(*t))
+        return (1);
+      else if (!isdigit(*s) && isdigit(*t))
+        return (-1);
+      else if (!isdigit(*s) || !isdigit(*t))
+        continue;     
+
+      if (*s < *t)
+        diff = -1;
+      else
+        diff = 1;
+
+     /*
+      * Figure out how many more digits there are...
+      */
+
+      digits = 0;
+      s ++;
+      t ++;
+
+      while (isdigit(*s))
+      {
+        digits ++;
+	s ++;
+      }
+
+      while (isdigit(*t))
+      {
+        digits --;
+	t ++;
+      }
+
+     /*
+      * Return if the number or value of the digits is different...
+      */
+
+      if (digits < 0)
+        return (-1);
+      else if (digits > 0)
+        return (1);
+      else if (diff)
+        return (diff);
+    }
+    else if (tolower(*s) < tolower(*t))
+      return (-1);
+    else if (tolower(*s) > tolower(*t))
+      return (1);
+    else
+    {
+      s ++;
+      t ++;
+    }
+  }
+
+ /*
+  * Return the results of the final comparison...
+  */
+
+  if (*s)
+    return (1);
+  else if (*t)
+    return (-1);
+  else
+    return (strcasecmp(p0->record.ppd_natural_language,
+                       p1->record.ppd_natural_language));
+}
+
+
+/*
+ * 'load_ppds()' - Load PPD files recursively.
+ */
+
+static void
+load_ppds(const char *d,		/* I - Actual directory */
+          const char *p)		/* I - Virtual path in name */
+{
+  int		i;			/* Looping var */
+  buf_t		fp;			/* Pointer to file */
+  DIR		*dir;			/* Directory pointer */
+  DIRENT	*dent;			/* Directory entry */
+  struct stat	fileinfo;		/* File information */
+  char		filename[1024],		/* Name of PPD or directory */
+		line[256],		/* Line from backend */
+		*ptr,			/* Pointer into name */
+		name[128],		/* Name of PPD file */
+		language[64],		/* PPD language version */
+		country[64],		/* Country code */
+		manufacturer[256],	/* Manufacturer */
+		make_model[256],	/* Make and Model */
+		model_name[256],	/* ModelName */
+		nick_name[256];		/* NickName */
+  ppd_info_t	*ppd,			/* New PPD file */
+		key;			/* Search key */
+  int		new_ppd;		/* Is this a new PPD? */
+  struct				/* LanguageVersion translation table */
+  {
+    const char	*version,		/* LanguageVersion string */
+		*language;		/* Language code */
+  }		languages[] =
+  {
+    { "chinese",	"cn" },
+    { "english",	"en" },
+    { "french",		"fr" },
+    { "german",		"de" },
+    { "danish",		"da" },
+    { "finnish",	"fi" },
+    { "italian",	"it" },
+    { "dutch",		"du" },
+    { "japanese",	"jp" },
+    { "norwegian",	"no" },
+    { "polish",		"pl" },
+    { "portugese",	"pt" },
+    { "russian",	"ru" },
+    { "swedish",	"sv" },
+    { "turkish",	"tr" }
+  };
+
+
+  if ((dir = opendir(d)) == NULL)
+  {
+    LogMessage(L_ERROR, "LoadPPDs: Unable to open PPD directory \"%s\": %s",
+               d, strerror(errno));
+    return;
+  }
+
+  while ((dent = readdir(dir)) != NULL)
+  {
+   /*
+    * Skip "." and ".."...
+    */
+
+    if (dent->d_name[0] == '.')
+      continue;
+
+   /*
+    * See if this is a file...
+    */
+
+    snprintf(filename, sizeof(filename), "%s/%s", d, dent->d_name);
+
+    if (p[0])
+      snprintf(name, sizeof(name), "%s/%s", p, dent->d_name);
+    else
+    {
+      strncpy(name, dent->d_name, sizeof(name) - 1);
+      name[sizeof(name) - 1] = '\0';
+    }
+
+    if (stat(filename, &fileinfo))
+      continue;
+
+    if (S_ISDIR(fileinfo.st_mode))
+    {
+     /*
+      * Do subdirectory...
+      */
+
+      load_ppds(filename, name);
+      continue;
+    }
+
+   /*
+    * See if this file has been scanned before...
+    */
+
+    if (num_ppds > 0)
+    {
+      strcpy(key.record.ppd_name, name);
+
+      ppd = bsearch(&key, ppds, num_ppds, sizeof(ppd_info_t),
+                    (int (*)(const void *, const void *))compare_names);
+
+      if (ppd &&
+          ppd->record.ppd_size == fileinfo.st_size &&
+	  ppd->record.ppd_mtime == fileinfo.st_mtime)
+      {
+        ppd->found = 1;
+        continue;
+      }
+    }
+    else
+      ppd = NULL;
+
+   /*
+    * No, file is new/changed, so re-scan it...
+    */
+
+    if ((fp.fp = gzopen(filename, "rb")) == NULL)
+      continue;
+
+    fp.ptr = fp.end = NULL;
+
+   /*
+    * Now see if this is a PPD file...
+    */
+
+    line[0] = '\0';
+    ppd_gets(&fp, line, sizeof(line));
+
+    if (strncmp(line, "*PPD-Adobe:", 11) != 0)
+    {
+     /*
+      * Nope, close the file and continue...
+      */
+
+      gzclose(fp.fp);
+
+      continue;
+    }
+
+   /*
+    * Now read until we get the NickName field...
+    */
+
+    model_name[0]   = '\0';
+    nick_name[0]    = '\0';
+    manufacturer[0] = '\0';
+    strcpy(language, "en");
+
+    while (ppd_gets(&fp, line, sizeof(line)) != NULL)
+    {
+      if (strncmp(line, "*Manufacturer:", 14) == 0)
+	sscanf(line, "%*[^\"]\"%255[^\"]", manufacturer);
+      else if (strncmp(line, "*ModelName:", 11) == 0)
+	sscanf(line, "%*[^\"]\"%127[^\"]", model_name);
+      else if (strncmp(line, "*LanguageVersion:", 17) == 0)
+	sscanf(line, "%*[^:]:%63s", language);
+      else if (strncmp(line, "*NickName:", 10) == 0)
+	sscanf(line, "%*[^\"]\"%255[^\"]", nick_name);
+      else if (strncmp(line, "*OpenUI", 7) == 0)
+      {
+       /*
+        * Stop early if we have a NickName or ModelName attributes
+	* before the first OpenUI...
+	*/
+
+        if (model_name[0] || nick_name[0])
+	  break;
+      }
+
+     /*
+      * Stop early if we have both the Manufacturer and NickName
+      * attributes...
+      */
+
+      if (manufacturer[0] && nick_name[0])
+        break;
+    }
+
+   /*
+    * Close the file...
+    */
+
+    gzclose(fp.fp);
+
+   /*
+    * See if we got all of the required info...
+    */
+
+    if (nick_name[0])
+      strcpy(make_model, nick_name);
+    else
+      strcpy(make_model, model_name);
+
+    while (isspace(make_model[0]))
+      strcpy(make_model, make_model + 1);
+
+    if (!make_model[0])
+      continue;	/* Nope... */
+
+   /*
+    * See if we got a manufacturer...
+    */
+
+    while (isspace(manufacturer[0]))
+      strcpy(manufacturer, manufacturer + 1);
+
+    if (!manufacturer[0] || strcmp(manufacturer, "ESP") == 0)
+    {
+     /*
+      * Nope, copy the first part of the make and model then...
+      */
+
+      strncpy(manufacturer, make_model, sizeof(manufacturer) - 1);
+
+     /*
+      * Truncate at the first space, dash, or slash, or make the
+      * manufacturer "Other"...
+      */
+
+      for (ptr = manufacturer; *ptr; ptr ++)
+	if (*ptr == ' ' || *ptr == '-' || *ptr == '/')
+	  break;
+
+      if (*ptr && ptr > manufacturer)
+	*ptr = '\0';
+      else if (strncasecmp(manufacturer, "agfa", 4) == 0)
+	strcpy(manufacturer, "AGFA");
+      else if (strncasecmp(manufacturer, "herk", 4) == 0 ||
+               strncasecmp(manufacturer, "linotype", 8) == 0)
+	strcpy(manufacturer, "LHAG");
+      else
+	strcpy(manufacturer, "Other");
+
+     /*
+      * Hack for various vendors...
+      */
+
+      if (strcasecmp(manufacturer, "XPrint") == 0)
+	strcpy(manufacturer, "Xerox");
+      else if (strcasecmp(manufacturer, "Eastman") == 0)
+	strcpy(manufacturer, "Kodak");
+      else if (strcasecmp(manufacturer, "laserwriter") == 0)
+	strcpy(manufacturer, "Apple");
+      else if (strcasecmp(manufacturer, "colorpoint") == 0)
+	strcpy(manufacturer, "Seiko");
+      else if (strcasecmp(manufacturer, "fiery") == 0)
+	strcpy(manufacturer, "EFI");
+      else if (strcasecmp(manufacturer, "ps") == 0 ||
+               strcasecmp(manufacturer, "colorpass") == 0)
+	strcpy(manufacturer, "Canon");
+      else if (strncasecmp(manufacturer, "primera", 7) == 0)
+	strcpy(manufacturer, "Fargo");
+      else if (strcasecmp(manufacturer, "designjet") == 0)
+	strcpy(manufacturer, "HP");
+    }
+    else if (strncasecmp(manufacturer, "LHAG", 4) == 0 ||
+             strncasecmp(manufacturer, "linotype", 8) == 0)
+      strcpy(manufacturer, "LHAG");
+
+   /*
+    * Fix the language as needed...
+    */
+
+    if ((ptr = strchr(language, '-')) != NULL)
+      *ptr++ = '\0';
+    else if ((ptr = strchr(language, '_')) != NULL)
+      *ptr++ = '\0';
+
+    if (ptr)
+    {
+     /*
+      * Setup the country suffix...
+      */
+
+      country[0] = '_';
+      strcpy(country + 1, ptr);
+    }
+    else
+    {
+     /*
+      * No country suffix...
+      */
+
+      country[0] = '\0';
+    }
+
+    for (i = 0; i < (int)(sizeof(languages) / sizeof(languages[0])); i ++)
+      if (strcasecmp(languages[i].version, language) == 0)
+        break;
+
+    if (i < (int)(sizeof(languages) / sizeof(languages[0])))
+    {
+     /*
+      * Found a known language...
+      */
+
+      snprintf(language, sizeof(language), "%s%s", languages[i].language, 
+               country);
+    }
+    else
+    {
+     /*
+      * Unknown language; use "xx"...
+      */
+
+      strcpy(language, "xx");
+    }
+
+   /*
+    * Add the PPD file...
+    */
+
+    new_ppd = !ppd;
+
+    if (new_ppd)
+    {
+     /*
+      * Allocate memory for the new PPD file...
+      */
+
+      LogMessage(L_DEBUG, "LoadPPDs: Adding ppd \"%s\"...", name);
+
+      if (num_ppds >= alloc_ppds)
+      {
+       /*
+	* Allocate (more) memory for the PPD files...
+	*/
+
+	if (alloc_ppds == 0)
+          ppd = malloc(sizeof(ppd_info_t) * 32);
+	else
+          ppd = realloc(ppds, sizeof(ppd_info_t) * (alloc_ppds + 32));
+
+	if (ppd == NULL)
+	{
+          LogMessage(L_ERROR, "load_ppds: Ran out of memory for %d PPD files!",
+	             alloc_ppds + 32);
+          closedir(dir);
+	  return;
+	}
+
+	ppds = ppd;
+	alloc_ppds += 32;
+      }
+
+      ppd = ppds + num_ppds;
+      num_ppds ++;
+    }
+    else
+      LogMessage(L_DEBUG, "LoadPPDs: Updating ppd \"%s\"...", name);
+
+   /*
+    * Zero the PPD record and copy the info over...
+    */
+
+    memset(ppd, 0, sizeof(ppd_info_t));
+
+    ppd->found            = 1;
+    ppd->record.ppd_mtime = fileinfo.st_mtime;
+    ppd->record.ppd_size  = fileinfo.st_size;
+
+    strncpy(ppd->record.ppd_name, name,
+            sizeof(ppd->record.ppd_name) - 1);
+    strncpy(ppd->record.ppd_make, manufacturer,
+            sizeof(ppd->record.ppd_make) - 1);
+    strncpy(ppd->record.ppd_make_and_model, make_model,
+            sizeof(ppd->record.ppd_make_and_model) - 1);
+    strncpy(ppd->record.ppd_natural_language, language,
+            sizeof(ppd->record.ppd_natural_language) - 1);
+
+    changed_ppd = 1;
+
+   /*
+    * Re-sort the PPD array...
+    */
+
+    if (num_ppds > 1 && new_ppd)
+      qsort(ppds, num_ppds, sizeof(ppd_info_t),
+            (int (*)(const void *, const void *))compare_names);
+  }
+
+  closedir(dir);
+}
+
+
+/*
+ * 'ppd_gets()' - Read a line from a PPD file.
+ */
+
+static char *			/* O - Line from file or NULL on EOF */
+ppd_gets(buf_t *fp,		/* I - File to read from */
+         char  *buf,		/* I - Line buffer */
+	 int   buflen)		/* I - Length of buffer */
+{
+  int		ch;		/* Character from file */
+  char		*ptr,		/* Current position in line buffer */
+		*end;		/* End of line buffer */
+
+ /*
+  * Range check everything...
+  */
+
+  if (fp == NULL || buf == NULL || buflen < 2)
+    return (NULL);
+
+ /*
+  * Now loop until we have a valid line...
+  */
+
+  ptr = buf;
+  end = buf + buflen - 1;
+
+  for (;;)
+  {
+    if (fp->ptr >= fp->end)
+      if (buf_read(fp) <= 0)
+        break;
+
+    ch = *(fp->ptr)++;
+
+    if (ch == '\r' || ch == '\n')
+    {
+     /*
+      * Line feed or carriage return...
+      */
+
+      if (ptr == buf)		/* Skip blank lines */
+        continue;
+
+      break;
+    }
+    else if (ptr < end)
+      *ptr++ = ch;
+  }
+
+  if (ptr > buf)
+  {
+    *ptr = '\0';
+
+    return (buf);
+  }
+  else
+    return (NULL);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/printers.c b/scheduler/printers.c
new file mode 100644
index 000000000..2a54328ed
--- /dev/null
+++ b/scheduler/printers.c
@@ -0,0 +1,2054 @@
+/*
+ * "$Id$"
+ *
+ *   Printer routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddPrinter()           - Add a printer to the system.
+ *   AddPrinterFilter()     - Add a MIME filter for a printer.
+ *   AddPrinterUser()       - Add a user to the ACL.
+ *   DeleteAllPrinters()    - Delete all printers from the system.
+ *   DeletePrinter()        - Delete a printer from the system.
+ *   DeletePrinterFilters() - Delete all MIME filters for a printer.
+ *   FindPrinter()          - Find a printer in the list.
+ *   FreePrinterUsers()     - Free allow/deny users.
+ *   LoadAllPrinters()      - Load printers from the printers.conf file.
+ *   SaveAllPrinters()      - Save all printer definitions to the printers.conf
+ *   SetPrinterAttrs()      - Set printer attributes based upon the PPD file.
+ *   SetPrinterState()      - Update the current state of a printer.
+ *   SortPrinters()         - Sort the printer list when a printer name is
+ *                            changed.
+ *   StopPrinter()          - Stop a printer from printing any jobs...
+ *   ValidateDest()         - Validate a printer/class destination.
+ *   write_irix_config()    - Update the config files used by the IRIX
+ *                            desktop tools.
+ *   write_irix_state()     - Update the status files used by IRIX printing
+ *                            desktop tools.
+ *   write_printcap()       - Write a pseudo-printcap file for older
+ *                            applications that need it...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * Local functions...
+ */
+
+static void	write_printcap(void);
+#ifdef __sgi
+static void	write_irix_config(printer_t *p);
+static void	write_irix_state(printer_t *p);
+#endif /* __sgi */
+
+
+/*
+ * 'AddPrinter()' - Add a printer to the system.
+ */
+
+printer_t *			/* O - New printer */
+AddPrinter(const char *name)	/* I - Name of printer */
+{
+  printer_t	*p,		/* New printer */
+		*current,	/* Current printer in list */
+		*prev;		/* Previous printer in list */
+
+
+  DEBUG_printf(("AddPrinter(\"%s\")\n", name));
+
+ /*
+  * Range check input...
+  */
+
+  if (name == NULL)
+    return (NULL);
+
+ /*
+  * Create a new printer entity...
+  */
+
+  if ((p = calloc(1, sizeof(printer_t))) == NULL)
+    return (NULL);
+
+  strncpy(p->name, name, sizeof(p->name) - 1);
+  strncpy(p->hostname, ServerName, sizeof(p->hostname) - 1);
+  snprintf(p->uri, sizeof(p->uri), "ipp://%s:%d/printers/%s", ServerName,
+           ntohs(Listeners[0].address.sin_port), name);
+
+  p->state     = IPP_PRINTER_STOPPED;
+  p->accepting = 0;
+  p->filetype  = mimeAddType(MimeDatabase, "printer", name);
+
+  strcpy(p->job_sheets[0], "none");
+  strcpy(p->job_sheets[1], "none");
+
+ /*
+  * Setup required filters and IPP attributes...
+  */
+
+  SetPrinterAttrs(p);
+
+ /*
+  * Insert the printer in the printer list alphabetically...
+  */
+
+  for (prev = NULL, current = Printers;
+       current != NULL;
+       prev = current, current = current->next)
+    if (strcasecmp(p->name, current->name) < 0)
+      break;
+
+ /*
+  * Insert this printer before the current one...
+  */
+
+  if (prev == NULL)
+    Printers = p;
+  else
+    prev->next = p;
+
+  p->next = current;
+
+ /*
+  * Write a new /etc/printcap or /var/spool/lp/pstatus file.
+  */
+
+  write_printcap();
+
+  return (p);
+}
+
+
+/*
+ * 'AddPrinterFilter()' - Add a MIME filter for a printer.
+ */
+
+void
+AddPrinterFilter(printer_t  *p,		/* I - Printer to add to */
+                 const char *filter)	/* I - Filter to add */
+{
+  int		i;			/* Looping var */
+  char		super[MIME_MAX_SUPER],	/* Super-type for filter */
+		type[MIME_MAX_TYPE],	/* Type for filter */
+		program[1024];		/* Program/filter name */
+  int		cost;			/* Cost of filter */
+  mime_type_t	**temptype;		/* MIME type looping var */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (p == NULL || filter == NULL)
+    return;
+
+ /*
+  * Parse the filter string; it should be in the following format:
+  *
+  *     super/type cost program
+  */
+
+  if (sscanf(filter, "%15[^/]/%31s%d%1023s", super, type, &cost, program) != 4)
+  {
+    LogMessage(L_ERROR, "AddPrinterFilter: Invalid filter string \"%s\"!",
+               filter);
+    return;
+  }
+
+ /*
+  * Add the filter to the MIME database, supporting wildcards as needed...
+  */
+
+  for (temptype = MimeDatabase->types, i = MimeDatabase->num_types;
+       i > 0;
+       i --, temptype ++)
+    if (((super[0] == '*' && strcmp((*temptype)->super, "printer") != 0) ||
+         strcmp((*temptype)->super, super) == 0) &&
+        (type[0] == '*' || strcmp((*temptype)->type, type) == 0))
+    {
+      LogMessage(L_DEBUG2, "Adding filter %s/%s %s/%s %d %s",
+                 (*temptype)->super, (*temptype)->type,
+		 p->filetype->super, p->filetype->type,
+                 cost, program);
+      mimeAddFilter(MimeDatabase, *temptype, p->filetype, cost, program);
+    }
+}
+
+
+/*
+ * 'AddPrinterUser()' - Add a user to the ACL.
+ */
+
+void
+AddPrinterUser(printer_t  *p,		/* I - Printer */
+               const char *username)	/* I - User */
+{
+  const char	**temp;			/* Temporary array pointer */
+
+
+  if (!p || !username)
+    return;
+
+  if (p->num_users == 0)
+    temp = malloc(sizeof(char **));
+  else
+    temp = realloc(p->users, sizeof(char **) * (p->num_users + 1));
+
+  if (!temp)
+    return;
+
+  p->users = temp;
+  temp     += p->num_users;
+
+  if ((*temp = strdup(username)) != NULL)
+    p->num_users ++;
+}
+
+
+/*
+ * 'DeleteAllPrinters()' - Delete all printers from the system.
+ */
+
+void
+DeleteAllPrinters(void)
+{
+  printer_t	*p,	/* Pointer to current printer/class */
+		*next;	/* Pointer to next printer in list */
+
+
+  for (p = Printers; p != NULL; p = next)
+  {
+    next = p->next;
+
+    if (!(p->type & CUPS_PRINTER_CLASS))
+      DeletePrinter(p);
+  }
+}
+
+
+/*
+ * 'DeletePrinter()' - Delete a printer from the system.
+ */
+
+void
+DeletePrinter(printer_t *p)	/* I - Printer to delete */
+{
+  printer_t	*current,	/* Current printer in list */
+		*prev;		/* Previous printer in list */
+#ifdef __sgi
+  char		filename[1024];	/* Interface script filename */
+#endif /* __sgi */
+
+
+  DEBUG_printf(("DeletePrinter(%08x): p->name = \"%s\"...\n", p, p->name));
+
+ /*
+  * Range check input...
+  */
+
+  if (p == NULL)
+    return;
+
+ /*
+  * Remove the printer from the list...
+  */
+
+  for (prev = NULL, current = Printers;
+       current != NULL;
+       prev = current, current = current->next)
+    if (p == current)
+      break;
+
+  if (current == NULL)
+  {
+    LogMessage(L_ERROR, "Tried to delete a non-existent printer %s!\n",
+               p->name);
+    return;
+  }
+
+  if (prev == NULL)
+    Printers = p->next;
+  else
+    prev->next = p->next;
+
+ /*
+  * Stop printing on this printer...
+  */
+
+  StopPrinter(p);
+
+ /*
+  * Remove the dummy interface/icon/option files under IRIX...
+  */
+
+#ifdef __sgi
+  snprintf(filename, sizeof(filename), "/var/spool/lp/interface/%s", p->name);
+  unlink(filename);
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/gui_interface/ELF/%s.gui",
+           p->name);
+  unlink(filename);
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/activeicons/%s", p->name);
+  unlink(filename);
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/pod/%s.config", p->name);
+  unlink(filename);
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/pod/%s.status", p->name);
+  unlink(filename);
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/member/%s", p->name);
+  unlink(filename);
+#endif /* __sgi */
+
+ /*
+  * If p is the default printer, assign the next one...
+  */
+
+  if (p == DefaultPrinter)
+  {
+    DefaultPrinter = Printers;
+
+#ifdef __sgi
+   /*
+    * Update the IRIX printer state for the new default printer; if
+    * no printers remain, then the default printer file will be
+    * removed...
+    */
+
+    write_irix_state(DefaultPrinter);
+#endif /* __sgi */
+  }
+
+ /*
+  * Remove this printer from any classes...
+  */
+
+  if (!(p->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT)))
+    DeletePrinterFromClasses(p);
+
+ /*
+  * Free all memory used by the printer...
+  */
+
+  if (p->printers != NULL)
+    free(p->printers);
+
+  ippDelete(p->attrs);
+
+  DeletePrinterFilters(p);
+
+  FreePrinterUsers(p);
+  FreeQuotas(p);
+
+  free(p);
+
+ /*
+  * Write a new /etc/printcap file...
+  */
+
+  write_printcap();
+}
+
+
+/*
+ * 'DeletePrinterFilters()' - Delete all MIME filters for a printer.
+ */
+
+void
+DeletePrinterFilters(printer_t *p)	/* I - Printer to remove from */
+{
+  int		i;			/* Looping var */
+  mime_filter_t	*filter;		/* MIME filter looping var */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (p == NULL)
+    return;
+
+ /*
+  * Remove all filters from the MIME database that have a destination
+  * type == printer...
+  */
+
+  for (filter = MimeDatabase->filters, i = MimeDatabase->num_filters;
+       i > 0;
+       i --, filter ++)
+    if (filter->dst == p->filetype)
+    {
+     /*
+      * Delete the current filter...
+      */
+
+      MimeDatabase->num_filters --;
+
+      if (i > 1)
+        memcpy(filter, filter + 1, sizeof(mime_filter_t) * (i - 1));
+
+      filter --;
+    }
+}
+
+
+/*
+ * 'FindPrinter()' - Find a printer in the list.
+ */
+
+printer_t *			/* O - Printer in list */
+FindPrinter(const char *name)	/* I - Name of printer to find */
+{
+  printer_t	*p;		/* Current printer */
+
+
+  for (p = Printers; p != NULL; p = p->next)
+    switch (strcasecmp(name, p->name))
+    {
+      case 0 : /* name == p->name */
+          if (!(p->type & CUPS_PRINTER_CLASS))
+	    return (p);
+      case 1 : /* name > p->name */
+          break;
+      case -1 : /* name < p->name */
+          return (NULL);
+    }
+
+  return (NULL);
+}
+
+
+/*
+ * 'FreePrinterUsers()' - Free allow/deny users.
+ */
+
+void
+FreePrinterUsers(printer_t *p)	/* I - Printer */
+{
+  int	i;			/* Looping var */
+
+
+  if (!p || !p->num_users)
+    return;
+
+  for (i = 0; i < p->num_users; i ++)
+    free((void *)p->users[i]);
+
+  free(p->users);
+
+  p->num_users = 0;
+  p->users     = NULL;
+}
+
+
+/*
+ * 'LoadAllPrinters()' - Load printers from the printers.conf file.
+ */
+
+void
+LoadAllPrinters(void)
+{
+  FILE		*fp;			/* printers.conf file */
+  int		linenum;		/* Current line number */
+  int		len;			/* Length of line */
+  char		line[1024],		/* Line from file */
+		name[256],		/* Parameter name */
+		*nameptr,		/* Pointer into name */
+		*value,			/* Pointer to value */
+		*valueptr;		/* Pointer into value */
+  printer_t	*p;			/* Current printer */
+
+
+ /*
+  * Open the printers.conf file...
+  */
+
+  snprintf(line, sizeof(line), "%s/printers.conf", ServerRoot);
+  if ((fp = fopen(line, "r")) == NULL)
+    return;
+
+ /*
+  * Read printer configurations until we hit EOF...
+  */
+
+  linenum = 0;
+  p       = NULL;
+
+  while (fgets(line, sizeof(line), fp) != NULL)
+  {
+    linenum ++;
+
+   /*
+    * Skip comment lines...
+    */
+
+    if (line[0] == '#')
+      continue;
+
+   /*
+    * Strip trailing whitespace, if any...
+    */
+
+    len = strlen(line);
+
+    while (len > 0 && isspace(line[len - 1]))
+    {
+      len --;
+      line[len] = '\0';
+    }
+
+   /*
+    * Extract the name from the beginning of the line...
+    */
+
+    for (value = line; isspace(*value); value ++);
+
+    for (nameptr = name; *value != '\0' && !isspace(*value) &&
+                             nameptr < (name + sizeof(name) - 1);)
+      *nameptr++ = *value++;
+    *nameptr = '\0';
+
+    while (isspace(*value))
+      value ++;
+
+    if (name[0] == '\0')
+      continue;
+
+   /*
+    * Decode the directive...
+    */
+
+    if (strcmp(name, "<Printer") == 0 ||
+        strcmp(name, "<DefaultPrinter") == 0)
+    {
+     /*
+      * <Printer name> or <DefaultPrinter name>
+      */
+
+      if (line[len - 1] == '>' && p == NULL)
+      {
+       /*
+        * Add the printer and a base file type...
+	*/
+
+        line[len - 1] = '\0';
+
+        p = AddPrinter(value);
+	p->accepting = 1;
+	p->state     = IPP_PRINTER_IDLE;
+
+       /*
+        * Set the default printer as needed...
+	*/
+
+        if (strcmp(name, "<DefaultPrinter") == 0)
+	  DefaultPrinter = p;
+      }
+      else
+      {
+        LogMessage(L_ERROR, "Syntax error on line %d of printers.conf.",
+	           linenum);
+        return;
+      }
+    }
+    else if (strcmp(name, "</Printer>") == 0)
+    {
+      if (p != NULL)
+      {
+        SetPrinterAttrs(p);
+        p = NULL;
+      }
+      else
+      {
+        LogMessage(L_ERROR, "Syntax error on line %d of printers.conf.",
+	           linenum);
+        return;
+      }
+    }
+    else if (p == NULL)
+    {
+      LogMessage(L_ERROR, "Syntax error on line %d of printers.conf.",
+	         linenum);
+      return;
+    }
+    else if (strcmp(name, "Info") == 0)
+      strncpy(p->info, value, sizeof(p->info) - 1);
+    else if (strcmp(name, "Location") == 0)
+      strncpy(p->location, value, sizeof(p->location) - 1);
+    else if (strcmp(name, "DeviceURI") == 0)
+      strncpy(p->device_uri, value, sizeof(p->device_uri) - 1);
+    else if (strcmp(name, "State") == 0)
+    {
+     /*
+      * Set the initial queue state...
+      */
+
+      if (strcasecmp(value, "idle") == 0)
+        p->state = IPP_PRINTER_IDLE;
+      else if (strcasecmp(value, "stopped") == 0)
+        p->state = IPP_PRINTER_STOPPED;
+    }
+    else if (strcmp(name, "StateMessage") == 0)
+    {
+     /*
+      * Set the initial queue state message...
+      */
+
+      while (isspace(*value))
+        value ++;
+
+      strncpy(p->state_message, value, sizeof(p->state_message) - 1);
+    }
+    else if (strcmp(name, "Accepting") == 0)
+    {
+     /*
+      * Set the initial accepting state...
+      */
+
+      if (strcasecmp(value, "yes") == 0)
+        p->accepting = 1;
+      else
+        p->accepting = 0;
+    }
+    else if (strcmp(name, "JobSheets") == 0)
+    {
+     /*
+      * Set the initial job sheets...
+      */
+
+      for (valueptr = value; *valueptr && !isspace(*valueptr); valueptr ++);
+
+      if (*valueptr)
+        *valueptr++ = '\0';
+
+      strncpy(p->job_sheets[0], value, sizeof(p->job_sheets[0]) - 1);
+
+      while (isspace(*valueptr))
+        valueptr ++;
+
+      if (*valueptr)
+      {
+        for (value = valueptr; *valueptr && !isspace(*valueptr); valueptr ++);
+
+	if (*valueptr)
+          *valueptr++ = '\0';
+
+	strncpy(p->job_sheets[1], value, sizeof(p->job_sheets[1]) - 1);
+      }
+    }
+    else if (strcmp(name, "AllowUser") == 0)
+    {
+      p->deny_users = 0;
+      AddPrinterUser(p, value);
+    }
+    else if (strcmp(name, "DenyUser") == 0)
+    {
+      p->deny_users = 1;
+      AddPrinterUser(p, value);
+    }
+    else if (strcmp(name, "QuotaPeriod") == 0)
+      p->quota_period = atoi(value);
+    else if (strcmp(name, "PageLimit") == 0)
+      p->page_limit = atoi(value);
+    else if (strcmp(name, "KLimit") == 0)
+      p->k_limit = atoi(value);
+    else
+    {
+     /*
+      * Something else we don't understand...
+      */
+
+      LogMessage(L_ERROR, "Unknown configuration directive %s on line %d of printers.conf.",
+	         name, linenum);
+    }
+  }
+
+  fclose(fp);
+}
+
+
+/*
+ * 'SaveAllPrinters()' - Save all printer definitions to the printers.conf
+ *                       file.
+ */
+
+void
+SaveAllPrinters(void)
+{
+  int		i;			/* Looping var */
+  FILE		*fp;			/* printers.conf file */
+  char		temp[1024];		/* Temporary string */
+  char		backup[1024];		/* printers.conf.O file */
+  printer_t	*printer;		/* Current printer class */
+  time_t	curtime;		/* Current time */
+  struct tm	*curdate;		/* Current date */
+
+
+ /*
+  * Create the printers.conf file...
+  */
+
+  snprintf(temp, sizeof(temp), "%s/printers.conf", ServerRoot);
+  snprintf(backup, sizeof(backup), "%s/printers.conf.O", ServerRoot);
+
+  if (rename(temp, backup))
+    LogMessage(L_ERROR, "Unable to backup printers.conf - %s", strerror(errno));
+
+  if ((fp = fopen(temp, "w")) == NULL)
+  {
+    LogMessage(L_ERROR, "Unable to save printers.conf - %s", strerror(errno));
+
+    if (rename(backup, temp))
+      LogMessage(L_ERROR, "Unable to restore printers.conf - %s", strerror(errno));
+    return;
+  }
+  else
+    LogMessage(L_INFO, "Saving printers.conf...");
+
+ /*
+  * Restrict access to the file...
+  */
+
+  fchown(fileno(fp), User, Group);
+  fchmod(fileno(fp), 0600);
+
+ /*
+  * Write a small header to the file...
+  */
+
+  curtime = time(NULL);
+  curdate = gmtime(&curtime);
+  strftime(temp, sizeof(temp) - 1, CUPS_STRFTIME_FORMAT, curdate);
+
+  fputs("# Printer configuration file for " CUPS_SVERSION "\n", fp);
+  fprintf(fp, "# Written by cupsd on %s\n", temp);
+
+ /*
+  * Write each local printer known to the system...
+  */
+
+  for (printer = Printers; printer != NULL; printer = printer->next)
+  {
+   /*
+    * Skip remote destinations and printer classes...
+    */
+
+    if ((printer->type & CUPS_PRINTER_REMOTE) ||
+        (printer->type & CUPS_PRINTER_CLASS) ||
+	(printer->type & CUPS_PRINTER_IMPLICIT))
+      continue;
+
+   /*
+    * Write printers as needed...
+    */
+
+    if (printer == DefaultPrinter)
+      fprintf(fp, "<DefaultPrinter %s>\n", printer->name);
+    else
+      fprintf(fp, "<Printer %s>\n", printer->name);
+
+    if (printer->info[0])
+      fprintf(fp, "Info %s\n", printer->info);
+
+    if (printer->location[0])
+      fprintf(fp, "Location %s\n", printer->location);
+
+    if (printer->device_uri[0])
+      fprintf(fp, "DeviceURI %s\n", printer->device_uri);
+
+    if (printer->state == IPP_PRINTER_STOPPED)
+    {
+      fputs("State Stopped\n", fp);
+      fprintf(fp, "StateMessage %s\n", printer->state_message);
+    }
+    else
+      fputs("State Idle\n", fp);
+
+    if (printer->accepting)
+      fputs("Accepting Yes\n", fp);
+    else
+      fputs("Accepting No\n", fp);
+
+    fprintf(fp, "JobSheets %s %s\n", printer->job_sheets[0],
+            printer->job_sheets[1]);
+
+    fprintf(fp, "QuotaPeriod %d\n", printer->quota_period);
+    fprintf(fp, "PageLimit %d\n", printer->page_limit);
+    fprintf(fp, "KLimit %d\n", printer->k_limit);
+
+    for (i = 0; i < printer->num_users; i ++)
+      fprintf(fp, "%sUser %s\n", printer->deny_users ? "Deny" : "Allow",
+              printer->users[i]);
+
+    fputs("</Printer>\n", fp);
+
+#ifdef __sgi
+    /*
+     * Make IRIX desktop & printer status happy
+     */
+
+    write_irix_state(printer);
+#endif /* __sgi */
+  }
+
+  fclose(fp);
+}
+
+
+/*
+ * 'SetPrinterAttrs()' - Set printer attributes based upon the PPD file.
+ */
+
+void
+SetPrinterAttrs(printer_t *p)		/* I - Printer to setup */
+{
+  char		uri[HTTP_MAX_URI];	/* URI for printer */
+  char		method[HTTP_MAX_URI],	/* Method portion of URI */
+		username[HTTP_MAX_URI],	/* Username portion of URI */
+		host[HTTP_MAX_URI],	/* Host portion of URI */
+		resource[HTTP_MAX_URI];	/* Resource portion of URI */
+  int		port;			/* Port portion of URI */
+  int		i;			/* Looping var */
+  char		filename[1024];		/* Name of PPD file */
+  int		num_media;		/* Number of media options */
+  location_t	*auth;			/* Pointer to authentication element */
+  const char	*auth_supported;	/* Authentication supported */
+  cups_ptype_t	printer_type;		/* Printer type data */
+  ppd_file_t	*ppd;			/* PPD file data */
+  ppd_option_t	*input_slot,		/* InputSlot options */
+		*media_type,		/* MediaType options */
+		*page_size,		/* PageSize options */
+		*output_bin;		/* OutputBin options */
+  ipp_attribute_t *attr;		/* Attribute data */
+  ipp_value_t	*val;			/* Attribute value */
+  int		nups[3] =		/* number-up-supported values */
+		{ 1, 2, 4 };
+  ipp_orient_t	orients[4] =		/* orientation-requested-supported values */
+		{
+		  IPP_PORTRAIT,
+		  IPP_LANDSCAPE,
+		  IPP_REVERSE_LANDSCAPE,
+		  IPP_REVERSE_PORTRAIT
+		};
+  const char	*sides[3] =		/* sides-supported values */
+		{
+		  "one",
+		  "two-long-edge",
+		  "two-short-edge"
+		};
+  const char	*versions[] =		/* ipp-versions-supported values */
+		{
+		  "1.0",
+		  "1.1"
+		};
+  ipp_op_t	ops[] =			/* operations-supported values */
+		{
+		  IPP_PRINT_JOB,
+		  IPP_VALIDATE_JOB,
+		  IPP_CREATE_JOB,
+		  IPP_SEND_DOCUMENT,
+		  IPP_CANCEL_JOB,
+		  IPP_GET_JOB_ATTRIBUTES,
+		  IPP_GET_JOBS,
+		  IPP_GET_PRINTER_ATTRIBUTES,
+		  IPP_HOLD_JOB,
+		  IPP_RELEASE_JOB,
+		  IPP_PAUSE_PRINTER,
+		  IPP_RESUME_PRINTER,
+		  IPP_PURGE_JOBS,
+		  IPP_SET_JOB_ATTRIBUTES,
+		  IPP_ENABLE_PRINTER,
+		  IPP_DISABLE_PRINTER,
+		  CUPS_GET_DEFAULT,
+		  CUPS_GET_PRINTERS,
+		  CUPS_ADD_PRINTER,
+		  CUPS_DELETE_PRINTER,
+		  CUPS_GET_CLASSES,
+		  CUPS_ADD_CLASS,
+		  CUPS_DELETE_CLASS,
+		  CUPS_ACCEPT_JOBS,
+		  CUPS_REJECT_JOBS,
+		  CUPS_GET_DEVICES,
+		  CUPS_GET_PPDS,
+		  IPP_RESTART_JOB
+		};
+  const char	*charsets[] =		/* charset-supported values */
+		{
+		  "us-ascii",
+		  "iso-8859-1",
+		  "iso-8859-2",
+		  "iso-8859-3",
+		  "iso-8859-4",
+		  "iso-8859-5",
+		  "iso-8859-6",
+		  "iso-8859-7",
+		  "iso-8859-8",
+		  "iso-8859-9",
+		  "iso-8859-10",
+		  "iso-8859-13",
+		  "iso-8859-14",
+		  "iso-8859-15",
+		  "utf-8",
+		  "windows-874",
+		  "windows-1250",
+		  "windows-1251",
+		  "windows-1252",
+		  "windows-1253",
+		  "windows-1254",
+		  "windows-1255",
+		  "windows-1256",
+		  "windows-1257",
+		  "windows-1258",
+		  "koi8-r",
+		  "koi8-u",
+		};
+  int		num_finishings;
+  ipp_finish_t	finishings[5];
+  const char	*multiple_document_handling[] =
+		{
+		  "separate-documents-uncollated-copies",
+		  "separate-documents-collated-copies"
+		};
+
+
+  DEBUG_printf(("SetPrinterAttrs: entering name = %s, type = %x\n", p->name,
+                p->type));
+
+ /*
+  * Clear out old filters and add a filter from application/vnd.cups-raw to
+  * printer/name to handle "raw" printing by users.
+  */
+
+  DeletePrinterFilters(p);
+  AddPrinterFilter(p, "application/vnd.cups-raw 0 -");
+
+ /*
+  * Figure out the authentication that is required for the printer.
+  */
+
+  auth_supported = "requesting-user-name";
+  if (!(p->type & CUPS_PRINTER_REMOTE))
+  {
+    if (p->type & CUPS_PRINTER_CLASS)
+      snprintf(resource, sizeof(resource), "/classes/%s", p->name);
+    else
+      snprintf(resource, sizeof(resource), "/printers/%s", p->name);
+
+    if ((auth = FindBest(resource, HTTP_POST)) != NULL)
+    {
+      if (auth->type == AUTH_BASIC || auth->type == AUTH_BASICDIGEST)
+	auth_supported = "basic";
+      else if (auth->type == AUTH_DIGEST)
+	auth_supported = "digest";
+    }
+  }
+
+ /*
+  * Create the required IPP attributes for a printer...
+  */
+
+  if (p->attrs)
+    ippDelete(p->attrs);
+
+  p->attrs = ippNew();
+
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_URI, "printer-uri-supported",
+               NULL, p->uri);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+               "uri-authentication-supported", NULL, auth_supported);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+               "uri-security-supported", NULL, "none");
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME, "printer-name", NULL,
+               p->name);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-location",
+               NULL, p->location);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info",
+               NULL, p->info);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_URI, "printer-more-info",
+               NULL, p->uri);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+               "pdl-override-supported", NULL, "not-attempted");
+  ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+                "ipp-versions-supported", sizeof(versions) / sizeof(versions[0]),
+		NULL, versions);
+  ippAddIntegers(p->attrs, IPP_TAG_PRINTER, IPP_TAG_ENUM, "operations-supported",
+                 sizeof(ops) / sizeof(ops[0]) + JobFiles - 1, (int *)ops);
+  ippAddBoolean(p->attrs, IPP_TAG_PRINTER, "multiple-document-jobs-supported", 1);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "multiple-operation-time-out", 60);
+  ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+                "multiple-document-handling-supported",
+                sizeof(multiple_document_handling) /
+		    sizeof(multiple_document_handling[0]), NULL,
+	        multiple_document_handling);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_CHARSET, "charset-configured",
+               NULL, DefaultCharset);
+  ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_CHARSET, "charset-supported",
+                sizeof(charsets) / sizeof(charsets[0]), NULL, charsets);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_LANGUAGE,
+               "natural-language-configured", NULL, DefaultLanguage);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_LANGUAGE,
+               "generated-natural-language-supported", NULL, DefaultLanguage);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_MIMETYPE,
+               "document-format-default", NULL, "application/octet-stream");
+  ippAddStrings(p->attrs, IPP_TAG_PRINTER,
+                (ipp_tag_t)(IPP_TAG_MIMETYPE | IPP_TAG_COPY),
+                "document-format-supported", NumMimeTypes, NULL, MimeTypes);
+  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+               "compression-supported", NULL, "none");
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "job-priority-supported", 100);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "job-priority-default", 50);
+  ippAddRange(p->attrs, IPP_TAG_PRINTER, "copies-supported", 1, 65535);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "copies-default", 1);
+  ippAddBoolean(p->attrs, IPP_TAG_PRINTER, "page-ranges-supported", 1);
+  ippAddIntegers(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                 "number-up-supported", 3, nups);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "number-up-default", 1);
+  ippAddIntegers(p->attrs, IPP_TAG_PRINTER, IPP_TAG_ENUM,
+                 "orientation-requested-supported", 4, (int *)orients);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_ENUM,
+                "orientation-requested-default", IPP_PORTRAIT);
+
+  if (p->num_users)
+  {
+    if (p->deny_users)
+      ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                    "requesting-user-name-denied", p->num_users, NULL,
+		    p->users);
+    else
+      ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                    "requesting-user-name-allowed", p->num_users, NULL,
+		    p->users);
+  }
+
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "job-quota-period", p->quota_period);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "job-k-limit", p->k_limit);
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+                "job-page-limit", p->page_limit);
+
+  if (NumBanners > 0)
+  {
+   /*
+    * Setup the job-sheets-supported and job-sheets-default attributes...
+    */
+
+    if (Classification[0] && !ClassifyOverride)
+      attr = ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                	  "job-sheets-supported", NULL, Classification);
+    else
+      attr = ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                	   "job-sheets-supported", NumBanners + 1, NULL, NULL);
+
+    if (attr == NULL)
+      LogMessage(L_EMERG, "SetPrinterAttrs: Unable to allocate memory for "
+                          "job-sheets-supported attribute: %s!",
+	         strerror(errno));
+    else if (!Classification[0] || ClassifyOverride)
+    {
+      attr->values[0].string.text = strdup("none");
+
+      for (i = 0; i < NumBanners; i ++)
+	attr->values[i + 1].string.text = strdup(Banners[i].name);
+    }
+
+    if (!(p->type & CUPS_PRINTER_REMOTE))
+    {
+      attr = ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                	   "job-sheets-default", 2, NULL, NULL);
+
+      if (attr != NULL)
+      {
+	attr->values[0].string.text = strdup(Classification[0] ?
+	                                     Classification : p->job_sheets[0]);
+	attr->values[1].string.text = strdup(Classification[0] ?
+	                                     Classification : p->job_sheets[1]);
+      }
+    }
+  }
+
+  printer_type = p->type;
+
+  if (p->type & CUPS_PRINTER_REMOTE)
+  {
+   /*
+    * Tell the client this is a remote printer of some type...
+    */
+
+    ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                 "printer-make-and-model", NULL, p->make_model);
+  }
+  else
+  {
+   /*
+    * Assign additional attributes depending on whether this is a printer
+    * or class...
+    */
+
+    p->type &= ~CUPS_PRINTER_OPTIONS;
+
+    if (p->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT))
+    {
+     /*
+      * Add class-specific attributes...
+      */
+
+      if ((p->type & CUPS_PRINTER_IMPLICIT) && p->num_printers > 0)
+	ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                     "printer-make-and-model", NULL, p->printers[0]->make_model);
+      else
+	ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                     "printer-make-and-model", NULL, "Local Printer Class");
+
+      if (p->num_printers > 0)
+      {
+       /*
+	* Add a list of member URIs and names...
+	*/
+
+	attr = ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_URI,
+                             "member-uris", p->num_printers, NULL, NULL);
+        p->type |= CUPS_PRINTER_OPTIONS;
+
+	for (i = 0; i < p->num_printers; i ++)
+	{
+          if (attr != NULL)
+            attr->values[i].string.text = strdup(p->printers[i]->uri);
+
+	  p->type &= ~CUPS_PRINTER_OPTIONS | p->printers[i]->type;
+        }
+
+	attr = ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_NAME,
+                             "member-names", p->num_printers, NULL, NULL);
+
+	if (attr != NULL)
+	{
+	  for (i = 0; i < p->num_printers; i ++)
+            attr->values[i].string.text = strdup(p->printers[i]->name);
+        }
+      }
+    }
+    else
+    {
+     /*
+      * Add printer-specific attributes...  Start by sanitizing the device
+      * URI so it doesn't have a username or password in it...
+      */
+
+      if (strstr(p->device_uri, "://") != NULL)
+      {
+       /*
+        * http://..., ipp://..., etc.
+	*/
+
+        httpSeparate(p->device_uri, method, username, host, &port, resource);
+	if (port)
+	  snprintf(uri, sizeof(uri), "%s://%s:%d%s", method, host, port,
+	           resource);
+	else
+	  snprintf(uri, sizeof(uri), "%s://%s%s", method, host, resource);
+      }
+      else
+      {
+       /*
+        * file:..., serial:..., etc.
+	*/
+
+        strcpy(uri, p->device_uri);
+      }
+
+      ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri", NULL,
+        	   uri);
+
+     /*
+      * Assign additional attributes from the PPD file (if any)...
+      */
+
+      p->type        |= CUPS_PRINTER_BW;
+      finishings[0]  = IPP_FINISHINGS_NONE;
+      num_finishings = 1;
+
+      snprintf(filename, sizeof(filename), "%s/ppd/%s.ppd", ServerRoot,
+               p->name);
+
+      if ((ppd = ppdOpenFile(filename)) != NULL)
+      {
+       /*
+	* Add make/model and other various attributes...
+	*/
+
+	if (ppd->color_device)
+	  p->type |= CUPS_PRINTER_COLOR;
+	if (ppd->variable_sizes)
+	  p->type |= CUPS_PRINTER_VARIABLE;
+	if (!ppd->manual_copies)
+	  p->type |= CUPS_PRINTER_COPIES;
+
+	ippAddBoolean(p->attrs, IPP_TAG_PRINTER, "color-supported",
+                      ppd->color_device);
+	if (ppd->throughput)
+	  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_INTEGER,
+	                "pages-per-minute", ppd->throughput);
+	ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                     "printer-make-and-model", NULL, ppd->nickname);
+
+        if (ppd->nickname)
+          strncpy(p->make_model, ppd->nickname, sizeof(p->make_model) - 1);
+	else if (ppd->modelname)
+          strncpy(p->make_model, ppd->modelname, sizeof(p->make_model) - 1);
+	else
+	  strcpy(p->make_model, "Bad PPD File");
+
+       /*
+	* Add media options from the PPD file...
+	*/
+
+	if ((input_slot = ppdFindOption(ppd, "InputSlot")) != NULL)
+	  num_media = input_slot->num_choices;
+	else
+	  num_media = 0;
+
+	if ((media_type = ppdFindOption(ppd, "MediaType")) != NULL)
+	  num_media += media_type->num_choices;
+
+	if ((page_size = ppdFindOption(ppd, "PageSize")) != NULL)
+	  num_media += page_size->num_choices;
+
+	attr = ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+                             "media-supported", num_media, NULL, NULL);
+        if (attr != NULL)
+	{
+	  val = attr->values;
+
+	  if (input_slot != NULL)
+	    for (i = 0; i < input_slot->num_choices; i ++, val ++)
+	      val->string.text = strdup(input_slot->choices[i].choice);
+
+	  if (media_type != NULL)
+	    for (i = 0; i < media_type->num_choices; i ++, val ++)
+	      val->string.text = strdup(media_type->choices[i].choice);
+
+	  if (page_size != NULL)
+	  {
+	    for (i = 0; i < page_size->num_choices; i ++, val ++)
+	      val->string.text = strdup(page_size->choices[i].choice);
+
+	    ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD, "media-default",
+                	 NULL, page_size->defchoice);
+          }
+	  else if (input_slot != NULL)
+	    ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD, "media-default",
+                	 NULL, input_slot->defchoice);
+	  else if (media_type != NULL)
+	    ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD, "media-default",
+                	 NULL, media_type->defchoice);
+	  else
+	    ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD, "media-default",
+                	 NULL, "none");
+        }
+
+       /*
+        * Output bin...
+	*/
+
+	if ((output_bin = ppdFindOption(ppd, "OutputBin")) != NULL)
+	{
+	  attr = ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD,
+                               "output-bin-supported", output_bin->num_choices,
+			       NULL, NULL);
+
+          if (attr != NULL)
+	  {
+	    for (i = 0, val = attr->values;
+		 i < output_bin->num_choices;
+		 i ++, val ++)
+	      val->string.text = strdup(output_bin->choices[i].choice);
+          }
+	}
+
+       /*
+        * Duplexing, etc...
+	*/
+
+	if (ppdFindOption(ppd, "Duplex") != NULL)
+	{
+	  p->type |= CUPS_PRINTER_DUPLEX;
+
+	  ippAddStrings(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD, "sides-supported",
+                	3, NULL, sides);
+	  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_KEYWORD, "sides-default",
+                       NULL, "one");
+	}
+
+	if (ppdFindOption(ppd, "Collate") != NULL)
+	  p->type |= CUPS_PRINTER_COLLATE;
+
+	if (ppdFindOption(ppd, "StapleLocation") != NULL)
+	{
+	  p->type |= CUPS_PRINTER_STAPLE;
+	  finishings[num_finishings++] = IPP_FINISHINGS_STAPLE;
+	}
+
+	if (ppdFindOption(ppd, "BindEdge") != NULL)
+	{
+	  p->type |= CUPS_PRINTER_BIND;
+	  finishings[num_finishings++] = IPP_FINISHINGS_BIND;
+	}
+
+	for (i = 0; i < ppd->num_sizes; i ++)
+	  if (ppd->sizes[i].length > 1728)
+            p->type |= CUPS_PRINTER_LARGE;
+	  else if (ppd->sizes[i].length > 1008)
+            p->type |= CUPS_PRINTER_MEDIUM;
+	  else
+            p->type |= CUPS_PRINTER_SMALL;
+
+       /*
+	* Add any filters in the PPD file...
+	*/
+
+	DEBUG_printf(("ppd->num_filters = %d\n", ppd->num_filters));
+	for (i = 0; i < ppd->num_filters; i ++)
+	{
+          DEBUG_printf(("ppd->filters[%d] = \"%s\"\n", i, ppd->filters[i]));
+          AddPrinterFilter(p, ppd->filters[i]);
+	}
+
+	if (ppd->num_filters == 0)
+          AddPrinterFilter(p, "application/vnd.cups-postscript 0 -");
+
+	ppdClose(ppd);
+
+        printer_type = p->type;
+      }
+      else if (access(filename, 0) == 0)
+      {
+	LogMessage(L_ERROR, "PPD file for %s cannot be loaded!", p->name);
+
+	AddPrinterFilter(p, "application/vnd.cups-postscript 0 -");
+      }
+      else
+      {
+       /*
+	* If we have an interface script, add a filter entry for it...
+	*/
+
+	snprintf(filename, sizeof(filename), "%s/interfaces/%s", ServerRoot,
+	         p->name);
+	if (access(filename, X_OK) == 0)
+	{
+	 /*
+	  * Yes, we have a System V style interface script; use it!
+	  */
+
+	  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                       "printer-make-and-model", NULL, "Local System V Printer");
+
+	  snprintf(filename, sizeof(filename), "*/* 0 %s/interfaces/%s",
+	           ServerRoot, p->name);
+	  AddPrinterFilter(p, filename);
+	}
+	else if (strncmp(p->device_uri, "ipp://", 6) == 0 &&
+	         (strstr(p->device_uri, "/printers/") != NULL ||
+		  strstr(p->device_uri, "/classes/") != NULL))
+        {
+	 /*
+	  * Tell the client this is really a hard-wired remote printer.
+	  */
+
+          printer_type |= CUPS_PRINTER_REMOTE;
+
+         /*
+	  * Reset the printer-uri-supported attribute to point at the
+	  * remote printer...
+	  */
+
+	  attr = ippFindAttribute(p->attrs, "printer-uri-supported", IPP_TAG_URI);
+	  free(attr->values[0].string.text);
+	  attr->values[0].string.text = strdup(p->device_uri);
+
+         /*
+	  * Then set the make-and-model accordingly...
+	  */
+
+	  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                       "printer-make-and-model", NULL, "Remote Printer");
+
+         /*
+	  * Print all files directly...
+	  */
+
+	  AddPrinterFilter(p, "*/* 0 -");
+	}
+	else
+	{
+	 /*
+          * Otherwise we have neither - treat this as a "dumb" printer
+	  * with no PPD file...
+	  */
+
+	  ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_TEXT,
+                       "printer-make-and-model", NULL, "Local Raw Printer");
+
+	  AddPrinterFilter(p, "*/* 0 -");
+	}
+      }
+
+      ippAddIntegers(p->attrs, IPP_TAG_PRINTER, IPP_TAG_ENUM,
+                     "finishings-supported", num_finishings, (int *)finishings);
+      ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_ENUM,
+                    "finishings-default", IPP_FINISHINGS_NONE);
+    }
+  }
+
+ /*
+  * Add the CUPS-specific printer-type attribute...
+  */
+
+  ippAddInteger(p->attrs, IPP_TAG_PRINTER, IPP_TAG_ENUM, "printer-type",
+                printer_type);
+
+  DEBUG_printf(("SetPrinterAttrs: leaving name = %s, type = %x\n", p->name,
+                p->type));
+
+#ifdef __sgi
+ /*
+  * Write the IRIX printer config and status files...
+  */
+
+  write_irix_config(p);
+  write_irix_state(p);
+#endif /* __sgi */
+}
+
+
+/*
+ * 'SetPrinterState()' - Update the current state of a printer.
+ */
+
+void
+SetPrinterState(printer_t    *p,	/* I - Printer to change */
+                ipp_pstate_t s)		/* I - New state */
+{
+  ipp_pstate_t	old_state;		/* Old printer state */
+
+
+ /*
+  * Can't set status of remote printers...
+  */
+
+  if (p->type & CUPS_PRINTER_REMOTE)
+    return;
+
+ /*
+  * Set the new state...
+  */
+
+  old_state      = p->state;
+  p->state       = s;
+  p->state_time  = time(NULL);
+
+  if (old_state != s)
+  {
+    p->browse_time = 0;
+
+#ifdef __sgi
+    write_irix_state(p);
+#endif /* __sgi */
+  }
+
+ /*
+  * Save the printer configuration if a printer goes from idle or processing
+  * to stopped (or visa-versa)...
+  */
+
+  if ((old_state == IPP_PRINTER_STOPPED) != (s == IPP_PRINTER_STOPPED))
+    SaveAllPrinters();
+
+ /*
+  * Check to see if any pending jobs can now be printed...
+  */
+
+  CheckJobs();
+}
+
+
+/*
+ * 'SortPrinters()' - Sort the printer list when a printer name is changed.
+ */
+
+void
+SortPrinters(void)
+{
+  printer_t	*current,	/* Current printer */
+		*prev,		/* Previous printer */
+		*next;		/* Next printer */
+  int		did_swap;	/* Non-zero if we did a swap */
+
+
+  do
+  {
+    for (did_swap = 0, current = Printers, prev = NULL; current != NULL;)
+      if (current->next == NULL)
+	break;
+      else if (strcasecmp(current->name, current->next->name) > 0)
+      {
+	DEBUG_printf(("Swapping %s and %s...\n", current->name,
+                      current->next->name));
+
+       /*
+	* Need to swap these two printers...
+	*/
+
+        did_swap = 1;
+
+	if (prev == NULL)
+          Printers = current->next;
+	else
+          prev->next = current->next;
+
+       /*
+	* Yes, we can all get a headache from the next bunch of pointer
+	* swapping...
+	*/
+
+	next          = current->next;
+	current->next = next->next;
+	next->next    = current;
+	prev          = next;
+      }
+      else
+      {
+        prev    = current;
+	current = current->next;
+      }
+  }
+  while (did_swap);
+}
+
+
+/*
+ * 'StopPrinter()' - Stop a printer from printing any jobs...
+ */
+
+void
+StopPrinter(printer_t *p)	/* I - Printer to stop */
+{
+  job_t	*job;			/* Active print job */
+
+
+ /*
+  * See if we have a job printing on this printer...
+  */
+
+  if (p->job)
+  {
+   /*
+    * Get pointer to job...
+    */
+
+    job = (job_t *)p->job;
+
+   /*
+    * Stop it...
+    */
+
+    StopJob(job->id, 0);
+
+   /*
+    * Reset the state to pending...
+    */
+
+    job->state->values[0].integer = IPP_JOB_PENDING;
+
+    SaveJob(job->id);
+  }
+
+  p->state = IPP_PRINTER_STOPPED;
+}
+
+
+/*
+ * 'ValidateDest()' - Validate a printer/class destination.
+ */
+
+const char *				/* O - Printer or class name */
+ValidateDest(const char   *hostname,	/* I - Host name */
+             const char   *resource,	/* I - Resource name */
+             cups_ptype_t *dtype)	/* O - Type (printer or class) */
+{
+  printer_t	*p;			/* Current printer */
+  char		localname[1024],	/* Localized hostname */
+		*lptr,			/* Pointer into localized hostname */
+		*sptr;			/* Pointer into server name */
+
+
+  DEBUG_printf(("ValidateDest(\"%s\", \"%s\", %p)\n", hostname, resource, dtype));
+
+ /*
+  * See if the resource is a class or printer...
+  */
+
+  if (strncmp(resource, "/classes/", 9) == 0)
+  {
+   /*
+    * Class...
+    */
+
+    resource += 9;
+  }
+  else if (strncmp(resource, "/printers/", 10) == 0)
+  {
+   /*
+    * Printer...
+    */
+
+    resource += 10;
+  }
+  else
+  {
+   /*
+    * Bad resource name...
+    */
+
+    return (NULL);
+  }
+
+ /*
+  * See if the printer or class name exists...
+  */
+
+  if ((p = FindPrinter(resource)) == NULL)
+    p = FindClass(resource);
+
+  if (p == NULL && strchr(resource, '@') == NULL)
+    return (NULL);
+  else if (p != NULL)
+  {
+    *dtype = p->type & CUPS_PRINTER_CLASS;
+    return (p->name);
+  }
+
+ /*
+  * Change localhost to the server name...
+  */
+
+  if (strcasecmp(hostname, "localhost") == 0)
+    hostname = ServerName;
+
+  strncpy(localname, hostname, sizeof(localname) - 1);
+  localname[sizeof(localname) - 1] = '\0';
+
+  if (strcasecmp(hostname, ServerName) != 0)
+  {
+   /*
+    * Localize the hostname...
+    */
+
+    lptr = strchr(localname, '.');
+    sptr = strchr(ServerName, '.');
+
+    if (sptr != NULL && lptr != NULL)
+    {
+     /*
+      * Strip the common domain name components...
+      */
+
+      while (lptr != NULL)
+      {
+	if (strcasecmp(lptr, sptr) == 0)
+	{
+          *lptr = '\0';
+	  break;
+	}
+	else
+          lptr = strchr(lptr + 1, '.');
+      }
+    }
+  }
+
+  DEBUG_printf(("localized hostname is \"%s\"...\n", localname));
+
+ /*
+  * Find a matching printer or class...
+  */
+
+  for (p = Printers; p != NULL; p = p->next)
+    if (strcasecmp(p->hostname, localname) == 0 &&
+        strcasecmp(p->name, resource) == 0)
+    {
+      *dtype = p->type & CUPS_PRINTER_CLASS;
+      return (p->name);
+    }
+
+  return (NULL);
+}
+
+
+/*
+ * 'write_printcap()' - Write a pseudo-printcap file for older applications
+ *                      that need it...
+ */
+
+static void
+write_printcap(void)
+{
+  FILE		*fp;		/* printcap file */
+  printer_t	*p;		/* Current printer */
+
+
+ /*
+  * See if we have a printcap file; if not, don't bother writing it.
+  */
+
+  if (!Printcap[0])
+    return;
+
+ /*
+  * Open the printcap file...
+  */
+
+  if ((fp = fopen(Printcap, "w")) == NULL)
+    return;
+
+ /*
+  * Write a new printcap with the current list of printers.
+  */
+
+  switch (PrintcapFormat)
+  {
+    case PRINTCAP_BSD:
+       /*
+        * Each printer is put in the file as:
+	*
+	*    Printer1:
+	*    Printer2:
+	*    Printer3:
+	*    ...
+	*    PrinterN:
+	*/
+
+	for (p = Printers; p != NULL; p = p->next)
+	  fprintf(fp, "%s:\n", p->name);
+        break;
+
+    case PRINTCAP_SOLARIS:
+       /*
+        * Each printer is put in the file as:
+	*
+	*    _all:all=Printer1,Printer2,Printer3,...,PrinterN
+	*    _default:use=DefaultPrinter
+	*    Printer1:
+	*    Printer2:
+	*    Printer3:
+	*    ...
+	*    PrinterN:
+	*/
+
+        fputs("_all:all=", fp);
+	for (p = Printers; p != NULL; p = p->next)
+	  fprintf(fp, "%s%c", p->name, p->next ? ',' : '\n');
+
+        if (DefaultPrinter)
+	  fprintf(fp, "_default:use=%s\n", DefaultPrinter->name);
+
+	for (p = Printers; p != NULL; p = p->next)
+	  fprintf(fp, "%s:\n", p->name);
+        break;
+  }
+
+ /*
+  * Close the file...
+  */
+
+  fclose(fp);
+}
+
+
+#ifdef __sgi
+/*
+ * 'write_irix_config()' - Update the config files used by the IRIX
+ *                         desktop tools.
+ */
+
+static void
+write_irix_config(printer_t *p)	/* I - Printer to update */
+{
+  char		filename[1024];	/* Interface script filename */
+  FILE		*fp;		/* Interface script file */
+  ipp_attribute_t *attr;	/* Attribute value */
+
+
+ /*
+  * Add dummy interface and GUI scripts to fool SGI's "challenged" printing
+  * tools.  First the interface script that tells the tools what kind of
+  * printer we have...
+  */
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/interface/%s", p->name);
+
+  if (p->type & CUPS_PRINTER_CLASS)
+    unlink(filename);
+  else if ((fp = fopen(filename, "w")) != NULL)
+  {
+    fputs("#!/bin/sh\n", fp);
+
+    if ((attr = ippFindAttribute(p->attrs, "printer-make-and-model",
+                                 IPP_TAG_TEXT)) != NULL)
+      fprintf(fp, "NAME=\"%s\"\n", attr->values[0].string.text);
+    else if (p->type & CUPS_PRINTER_CLASS)
+      fputs("NAME=\"Printer Class\"\n", fp);
+    else
+      fputs("NAME=\"Remote Destination\"\n", fp);
+
+    if (p->type & CUPS_PRINTER_COLOR)
+      fputs("TYPE=ColorPostScript\n", fp);
+    else
+      fputs("TYPE=MonoPostScript\n", fp);
+
+    fprintf(fp, "HOSTNAME=%s\n", ServerName);
+    fprintf(fp, "HOSTPRINTER=%s\n", p->name);
+
+    fclose(fp);
+
+    chmod(filename, 0755);
+    chown(filename, User, Group);
+  }
+
+ /*
+  * Then the member file that tells which device file the queue is connected
+  * to...  Networked printers use "/dev/null" in this file, so that's what
+  * we use (the actual device URI can confuse some apps...)
+  */
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/member/%s", p->name);
+
+  if (p->type & CUPS_PRINTER_CLASS)
+    unlink(filename);
+  else if ((fp = fopen(filename, "w")) != NULL)
+  {
+    fputs("/dev/null\n", fp);
+
+    fclose(fp);
+
+    chmod(filename, 0644);
+    chown(filename, User, Group);
+  }
+
+ /*
+  * The gui_interface file is a script or program that launches a GUI
+  * option panel for the printer, using options specified on the
+  * command-line in the third argument.  The option panel must send
+  * any printing options to stdout on a single line when the user
+  * accepts them, or nothing if the user cancels the dialog.
+  *
+  * The default options panel program is /usr/bin/glpoptions, from
+  * the ESP Print Pro software.  You can select another using the
+  * PrintcapGUI option.
+  */
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/gui_interface/ELF/%s.gui", p->name);
+
+  if (p->type & CUPS_PRINTER_CLASS)
+    unlink(filename);
+  else if ((fp = fopen(filename, "w")) != NULL)
+  {
+    fputs("#!/bin/sh\n", fp);
+    fprintf(fp, "%s -d %s -o \"$3\"\n", PrintcapGUI, p->name);
+
+    fclose(fp);
+
+    chmod(filename, 0755);
+    chown(filename, User, Group);
+  }
+
+ /*
+  * The POD config file is needed by the printstatus command to show
+  * the printer location and device.
+  */
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/pod/%s.config", p->name);
+
+  if (p->type & CUPS_PRINTER_CLASS)
+    unlink(filename);
+  else if ((fp = fopen(filename, "w")) != NULL)
+  {
+    fprintf(fp, "Printer Class      | %s\n",
+            (p->type & CUPS_PRINTER_COLOR) ? "ColorPostScript" : "MonoPostScript");
+    fprintf(fp, "Printer Model      | %s\n", p->make_model);
+    fprintf(fp, "Location Code      | %s\n", p->location);
+    fprintf(fp, "Physical Location  | %s\n", p->info);
+    fprintf(fp, "Port Path          | %s\n", p->device_uri);
+    fprintf(fp, "Config Path        | /var/spool/lp/pod/%s.config\n", p->name);
+    fprintf(fp, "Active Status Path | /var/spool/lp/pod/%s.status\n", p->name);
+    fputs("Status Update Wait | 10 seconds\n", fp);
+
+    fclose(fp);
+
+    chmod(filename, 0664);
+    chown(filename, User, Group);
+  }
+}
+
+
+/*
+ * 'write_irix_state()' - Update the status files used by IRIX printing
+ *                        desktop tools.
+ */
+
+static void
+write_irix_state(printer_t *p)	/* I - Printer to update */
+{
+  char	filename[1024];		/* Interface script filename */
+  FILE	*fp;			/* Interface script file */
+  int	tag;			/* Status tag value */
+
+
+  if (p)
+  {
+   /*
+    * The POD status file is needed for the printstatus window to
+    * provide the current status of the printer.
+    */
+
+    snprintf(filename, sizeof(filename), "/var/spool/lp/pod/%s.status", p->name);
+
+    if (p->type & CUPS_PRINTER_CLASS)
+      unlink(filename);
+    else if ((fp = fopen(filename, "w")) != NULL)
+    {
+      fprintf(fp, "Operational Status | %s\n",
+              (p->state == IPP_PRINTER_IDLE)       ? "Idle" :
+              (p->state == IPP_PRINTER_PROCESSING) ? "Busy" :
+                                                     "Faulted");
+      fprintf(fp, "Information        | 01 00 00 | %s\n", CUPS_SVERSION);
+      fprintf(fp, "Information        | 02 00 00 | Device URI: %s\n", p->device_uri);
+      fprintf(fp, "Information        | 03 00 00 | %s jobs\n",
+              p->accepting ? "Accepting" : "Not accepting");
+      fprintf(fp, "Information        | 04 00 00 | %s\n", p->state_message);
+
+      fclose(fp);
+
+      chmod(filename, 0664);
+      chown(filename, User, Group);
+    }
+
+   /*
+    * The activeicons file is needed to provide desktop icons for printers:
+    *
+    * [ quoted from /usr/lib/print/tagit ]
+    *
+    * --- Type of printer tags (base values)
+    *
+    * Dumb=66048			# 0x10200
+    * DumbColor=66080		# 0x10220
+    * Raster=66112		# 0x10240
+    * ColorRaster=66144		# 0x10260
+    * Plotter=66176		# 0x10280
+    * PostScript=66208		# 0x102A0
+    * ColorPostScript=66240	# 0x102C0
+    * MonoPostScript=66272	# 0x102E0
+    *
+    * --- Printer state modifiers for local printers
+    *
+    * Idle=0			# 0x0
+    * Busy=1			# 0x1
+    * Faulted=2			# 0x2
+    * Unknown=3			# 0x3 (Faulted due to unknown reason)
+    *
+    * --- Printer state modifiers for network printers
+    *
+    * NetIdle=8			# 0x8
+    * NetBusy=9			# 0x9
+    * NetFaulted=10		# 0xA
+    * NetUnknown=11		# 0xB (Faulted due to unknown reason)
+    */
+
+    snprintf(filename, sizeof(filename), "/var/spool/lp/activeicons/%s", p->name);
+
+    if (p->type & CUPS_PRINTER_CLASS)
+      unlink(filename);
+    else if ((fp = fopen(filename, "w")) != NULL)
+    {
+      if (p->type & CUPS_PRINTER_COLOR)
+	tag = 66240;
+      else
+	tag = 66272;
+
+      if (p->type & CUPS_PRINTER_REMOTE)
+	tag |= 8;
+
+      if (p->state == IPP_PRINTER_PROCESSING)
+	tag |= 1;
+
+      else if (p->state == IPP_PRINTER_STOPPED)
+	tag |= 2;
+
+      fputs("#!/bin/sh\n", fp);
+      fprintf(fp, "#Tag %d\n", tag);
+
+      fclose(fp);
+
+      chmod(filename, 0755);
+      chown(filename, User, Group);
+    }
+  }
+
+ /*
+  * The default file is needed by the printers window to show
+  * the default printer.
+  */
+
+  snprintf(filename, sizeof(filename), "/var/spool/lp/default");
+
+  if (DefaultPrinter != NULL)
+  {
+    if ((fp = fopen(filename, "w")) != NULL)
+    {
+      fprintf(fp, "%s\n", DefaultPrinter->name);
+
+      fclose(fp);
+
+      chmod(filename, 0644);
+      chown(filename, User, Group);
+    }
+  }
+  else
+    unlink(filename);
+}
+#endif /* __sgi */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/printers.h b/scheduler/printers.h
new file mode 100644
index 000000000..addfb2b17
--- /dev/null
+++ b/scheduler/printers.h
@@ -0,0 +1,117 @@
+/*
+ * "$Id$"
+ *
+ *   Printer definitions for the Common UNIX Printing System (CUPS) scheduler.
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Quota data...
+ */
+
+typedef struct
+{
+  char		username[33];	/* User data */
+  time_t	next_update;	/* Next update time */
+  int		page_count,	/* Count of pages */
+		k_count;	/* Count of kilobytes */
+} quota_t;
+
+
+/*
+ * Printer/class information structure...
+ */
+
+typedef struct printer_str
+{
+  struct printer_str *next;		/* Next printer in list */
+  char		uri[HTTP_MAX_URI],	/* Printer URI */
+		hostname[HTTP_MAX_HOST],/* Host printer resides on */
+		name[IPP_MAX_NAME],	/* Printer name */
+		location[IPP_MAX_NAME],	/* Location code */
+		make_model[IPP_MAX_NAME],/* Make and model */
+		info[IPP_MAX_NAME];	/* Description */
+  int		accepting;		/* Accepting jobs? */
+  ipp_pstate_t	state;			/* Printer state */
+  char		state_message[1024];	/* Printer state message */
+  time_t	state_time;		/* Time at this state */
+  char		job_sheets[2][IPP_MAX_NAME];
+					/* Banners/job sheets */
+  cups_ptype_t	type;			/* Printer type (color, small, etc.) */
+  time_t	browse_time;		/* Last time update was sent/received */
+  char		device_uri[HTTP_MAX_URI],/* Device URI */
+		backend[1024];		/* Backend to use */
+  mime_type_t	*filetype;		/* Pseudo-filetype for printer */
+  void		*job;			/* Current job in queue */
+  ipp_t		*attrs;			/* Attributes supported by this printer */
+  int		num_printers,		/* Number of printers in class */
+		last_printer;		/* Last printer job was sent to */
+  struct printer_str **printers;	/* Printers in class */
+  int		quota_period,		/* Period for quotas */
+		page_limit,		/* Maximum number of pages */
+		k_limit,		/* Maximum number of kilobytes */
+		num_quotas;		/* Number of quota records */
+  quota_t	*quotas;		/* Quota records */
+  int		deny_users,		/* 1 = deny, 0 = allow */
+		num_users;		/* Number of allowed/denied users */
+  const char	**users;		/* Allowed/denied users */
+} printer_t;
+
+
+/*
+ * Globals...
+ */
+
+VAR printer_t		*Printers VALUE(NULL);	/* Printer list */
+VAR printer_t		*DefaultPrinter VALUE(NULL);
+						/* Default printer */
+
+/*
+ * Prototypes...
+ */
+
+extern printer_t	*AddPrinter(const char *name);
+extern void		AddPrinterFilter(printer_t *p, const char *filter);
+extern void		AddPrinterUser(printer_t *p, const char *username);
+extern quota_t		*AddQuota(printer_t *p, const char *username);
+extern void		DeleteAllPrinters(void);
+extern void		DeletePrinter(printer_t *p);
+extern void		DeletePrinterFilters(printer_t *p);
+extern printer_t	*FindPrinter(const char *name);
+extern quota_t		*FindQuota(printer_t *p, const char *username);
+extern void		FreePrinterUsers(printer_t *p);
+extern void		FreeQuotas(printer_t *p);
+extern void		LoadAllPrinters(void);
+extern void		SaveAllPrinters(void);
+extern void		SetPrinterAttrs(printer_t *p);
+extern void		SetPrinterState(printer_t *p, ipp_pstate_t s);
+extern void		SortPrinters(void);
+#define			StartPrinter(p) SetPrinterState((p), IPP_PRINTER_IDLE)
+extern void		StopPrinter(printer_t *p);
+extern quota_t		*UpdateQuota(printer_t *p, const char *username,
+			             int pages, int k);
+extern const char	*ValidateDest(const char *hostname,
+			              const char *resource,
+			              cups_ptype_t *dtype);
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/quotas.c b/scheduler/quotas.c
new file mode 100644
index 000000000..b24bc2da9
--- /dev/null
+++ b/scheduler/quotas.c
@@ -0,0 +1,236 @@
+/*
+ * "$Id$"
+ *
+ *   Quota routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   AddQuota()    - Add a quota record for this printer and user.
+ *   FindQuota()   - Find a quota record.
+ *   FreeQuotas()  - Free quotas for a printer.
+ *   UpdateQuota() - Update quota data for the specified printer and user.
+ *   compare()     - Compare two quota records...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare(const quota_t *q1, const quota_t *q2);
+
+
+/*
+ * 'AddQuota()' - Add a quota record for this printer and user.
+ */
+
+quota_t *				/* O - Quota data */
+AddQuota(printer_t  *p,			/* I - Printer */
+         const char *username)		/* I - User */
+{
+  quota_t	*q;			/* New quota data */
+
+
+  if (!p || !username)
+    return (NULL);
+
+  if (p->num_quotas == 0)
+    q = malloc(sizeof(quota_t));
+  else
+    q = realloc(p->quotas, sizeof(quota_t) * (p->num_quotas + 1));
+
+  if (!q)
+    return (NULL);
+
+  p->quotas = q;
+  q         += p->num_quotas;
+  p->num_quotas ++;
+
+  memset(q, 0, sizeof(quota_t));
+  strncpy(q->username, username, sizeof(q->username) - 1);
+
+  if (p->num_quotas > 1)
+    qsort(p->quotas, p->num_quotas, sizeof(quota_t),
+          (int (*)(const void *, const void *))compare);
+
+  return (FindQuota(p, username));
+}
+
+
+/*
+ * 'FindQuota()' - Find a quota record.
+ */
+
+quota_t *				/* O - Quota data */
+FindQuota(printer_t  *p,		/* I - Printer */
+          const char *username)		/* I - User */
+{
+  quota_t	*q,			/* Quota data pointer */
+		match;			/* Search data */
+
+
+  if (!p || !username)
+    return (NULL);
+
+  if (p->num_quotas == 0)
+    q = NULL;
+  else
+  {
+    strncpy(match.username, username, sizeof(match.username) - 1);
+    match.username[sizeof(match.username) - 1] = '\0';
+
+    q = bsearch(&match, p->quotas, p->num_quotas, sizeof(quota_t),
+                (int(*)(const void *, const void *))compare);
+  }
+
+  if (q)
+    return (q);
+  else
+    return (AddQuota(p, username));
+}
+
+
+/*
+ * 'FreeQuotas()' - Free quotas for a printer.
+ */
+
+void
+FreeQuotas(printer_t *p)		/* I - Printer */
+{
+  if (!p)
+    return;
+
+  if (p->num_quotas)
+    free(p->quotas);
+
+  p->num_quotas = 0;
+  p->quotas     = NULL;
+}
+
+
+/*
+ * 'UpdateQuota()' - Update quota data for the specified printer and user.
+ */
+
+quota_t *				/* O - Quota data */
+UpdateQuota(printer_t  *p,		/* I - Printer */
+            const char *username,	/* I - User */
+	    int        pages,		/* I - Number of pages */
+	    int        k)		/* I - Number of kilobytes */
+{
+  quota_t	*q;			/* Quota data */
+  job_t		*job,			/* Current job */
+		*next;			/* Next job */
+  time_t	curtime;		/* Current time */
+  ipp_attribute_t *attr;		/* Job attribute */
+
+
+  if (!p || !username)
+    return (NULL);
+
+  if (!p->k_limit && !p->page_limit)
+    return (NULL);
+
+  if ((q = FindQuota(p, username)) == NULL)
+    return (NULL);
+
+  curtime = time(NULL);
+
+  if (curtime < q->next_update)
+  {
+    q->page_count += pages;
+    q->k_count    += k;
+
+    return (q);
+  }
+
+  if (p->quota_period)
+    curtime -= p->quota_period;
+  else
+    curtime = 0;
+
+  q->next_update = 0;
+  q->page_count  = 0;
+  q->k_count     = 0;
+
+  for (job = Jobs; job; job = next)
+  {
+    next = job->next;
+
+    if (strcasecmp(job->dest, p->name) != 0 ||
+        strcasecmp(job->username, q->username) != 0)
+      continue;
+
+    if ((attr = ippFindAttribute(job->attrs, "time-at-completion",
+                                 IPP_TAG_INTEGER)) == NULL)
+      if ((attr = ippFindAttribute(job->attrs, "time-at-processing",
+                                   IPP_TAG_INTEGER)) == NULL)
+        attr = ippFindAttribute(job->attrs, "time-at-creation",
+                                IPP_TAG_INTEGER);
+
+    if (attr == NULL)
+      break;
+
+    if (attr->values[0].integer < curtime)
+    {
+      if (JobAutoPurge)
+        CancelJob(job->id, 1);
+
+      continue;
+    }
+
+    if (q->next_update == 0)
+      q->next_update = attr->values[0].integer + p->quota_period;
+
+    if ((attr = ippFindAttribute(job->attrs, "job-media-sheets-completed",
+                                 IPP_TAG_INTEGER)) != NULL)
+      q->page_count += attr->values[0].integer;
+
+    if ((attr = ippFindAttribute(job->attrs, "job-k-octets",
+                                 IPP_TAG_INTEGER)) != NULL)
+      q->k_count += attr->values[0].integer;
+  }
+
+  return (q);
+}
+
+
+/*
+ * 'compare()' - Compare two quota records...
+ */
+
+static int				/* O - Result of comparison */
+compare(const quota_t *q1,		/* I - First quota record */
+        const quota_t *q2)		/* I - Second quota record */
+{
+  return (strcasecmp(q1->username, q2->username));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/server.c b/scheduler/server.c
new file mode 100644
index 000000000..524e807b7
--- /dev/null
+++ b/scheduler/server.c
@@ -0,0 +1,162 @@
+/*
+ * "$Id$"
+ *
+ *   Server start/stop routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   StartServer() - Start the server.
+ *   StopServer()  - Stop the server.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+#include <grp.h>
+
+#ifdef HAVE_LIBSSL
+#  include <openssl/ssl.h>
+#  include <openssl/rand.h>
+#endif /* HAVE_LIBSSL */
+
+
+/*
+ * 'StartServer()' - Start the server.
+ */
+
+void
+StartServer(void)
+{
+#ifdef HAVE_LIBSSL
+  int		i;		/* Looping var */
+  struct timeval curtime;	/* Current time in microseconds */
+  unsigned char	data[1024];	/* Seed data */
+#endif /* HAVE_LIBSSL */
+
+
+#ifdef HAVE_LIBSSL
+ /*
+  * Initialize the encryption libraries...
+  */
+
+  SSL_library_init();
+  SSL_load_error_strings();
+
+ /*
+  * Using the current time is a dubious random seed, but on some systems
+  * it is the best we can do (on others, this seed isn't even used...)
+  */
+
+  gettimeofday(&curtime, NULL);
+  srand(curtime.tv_sec + curtime.tv_usec);
+
+  for (i = 0; i < sizeof(data); i ++)
+    data[i] = rand(); /* Yes, this is a poor source of random data... */
+
+  RAND_seed(&data, sizeof(data));
+#endif /* HAVE_LIBSSL */
+
+ /*
+  * Startup all the networking stuff...
+  */
+
+  StartListening();
+  StartBrowsing();
+  StartPolling();
+
+ /*
+  * If the administrator has configured the server to run as an unpriviledged
+  * user, change to that user now...
+  */
+
+  if (RunAsUser)
+  {
+    setgid(Group);
+    setgroups(0, NULL);
+    setuid(User);
+  }
+}
+
+
+/*
+ * 'StopServer()' - Stop the server.
+ */
+
+void
+StopServer(void)
+{
+ /*
+  * Close all network clients and stop all jobs...
+  */
+
+  CloseAllClients();
+  StopListening();
+  StopPolling();
+  StopBrowsing();
+
+  if (Clients != NULL)
+  {
+    free(Clients);
+    Clients = NULL;
+  }
+
+  StopAllJobs();
+
+ /*
+  * Close all log files...
+  */
+
+  if (AccessFile != NULL)
+  {
+    fclose(AccessFile);
+
+    AccessFile = NULL;
+  }
+
+  if (ErrorFile != NULL)
+  {
+    fclose(ErrorFile);
+
+    ErrorFile = NULL;
+  }
+
+  if (PageFile != NULL)
+  {
+    fclose(PageFile);
+
+    PageFile = NULL;
+  }
+
+ /*
+  * Clear the input and output sets...
+  */
+
+  FD_ZERO(&InputSet);
+  FD_ZERO(&OutputSet);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/testmime.c b/scheduler/testmime.c
new file mode 100644
index 000000000..81c07c798
--- /dev/null
+++ b/scheduler/testmime.c
@@ -0,0 +1,228 @@
+/*
+ * "$Id$"
+ *
+ *   MIME test program for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Main entry for the test program.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "mime.h"
+
+
+/*
+ * Local functions...
+ */
+
+static void print_rules(mime_magic_t *rules);
+
+
+/*
+ * 'main()' - Main entry for the test program.
+ */
+
+int					/* O - Exit status */
+main(int  argc,				/* I - Number of command-line args */
+     char *argv[])			/* I - Command-line arguments */
+{
+  int		i;			/* Looping var */
+  char		super[MIME_MAX_SUPER],	/* Super-type name */
+		type[MIME_MAX_TYPE];	/* Type name */
+  mime_t	*mime;			/* MIME database */
+  mime_type_t	*src,			/* Source type */
+		*dst,			/* Destination type */
+		**types;		/* File type array pointer */
+  mime_filter_t	*filters;		/* Filters for the file */
+  int		num_filters;		/* Number of filters for the file */
+
+
+  mime = mimeLoad("../conf");
+
+  puts("MIME database types:");
+  for (i = 0, types = mime->types; i < mime->num_types; i ++, types ++)
+  {
+    printf("\t%s/%s:\n", (*types)->super, (*types)->type);
+    print_rules((*types)->rules);
+    puts("");
+  }
+
+  puts("");
+
+  puts("MIME database filters:");
+  for (i = 0, filters = mime->filters; i < mime->num_filters; i ++, filters ++)
+    printf("\t%s/%s to %s/%s: %s (%d)\n",
+           filters->src->super, filters->src->type,
+	   filters->dst->super, filters->dst->type,
+	   filters->filter, filters->cost);
+
+  puts("");
+
+  switch (argc)
+  {
+    default :
+        fputs("Usage: testmime source-file [destination-type]\n", stderr);
+	mimeDelete(mime);
+	return (1);
+
+    case 2 :
+        src = mimeFileType(mime, argv[1]);
+
+	if (src != NULL)
+	{
+	  printf("%s: %s/%s\n", argv[1], src->super, src->type);
+	  mimeDelete(mime);
+	  return (0);
+	}
+	else
+	{
+	  printf("%s: unknown\n", argv[1]);
+	  mimeDelete(mime);
+	  return (1);
+	}
+
+    case 3 :
+        src = mimeFileType(mime, argv[1]);
+
+	sscanf(argv[2], "%15[^/]/%31s", super, type);
+        dst = mimeType(mime, super, type);
+
+        filters = mimeFilter(mime, src, dst, &num_filters);
+
+        if (filters == NULL)
+	{
+	  printf("No filters to convert from %s to %s.\n", argv[1], argv[2]);
+	  mimeDelete(mime);
+	  return (1);
+	}
+	else
+	{
+	  for (i = 0; i < num_filters; i ++)
+	    if (i < (num_filters - 1))
+	      printf("%s | ", filters[i].filter);
+	    else
+	      puts(filters[i].filter);
+
+	  mimeDelete(mime);
+          return (0);
+	}
+  }
+}
+
+
+/*
+ * 'print_rules()' - Print the rules for a file type...
+ */
+
+static void
+print_rules(mime_magic_t *rules)	/* I - Rules to print */
+{
+  int	i;				/* Looping var */
+  static char	indent[255] = "\t";	/* Indentation for rules */
+
+
+  if (rules == NULL)
+    return;
+
+  while (rules != NULL)
+  {
+    printf("%s[%p] ", indent, rules);
+
+    if (rules->invert)
+      printf("NOT ");
+
+    switch (rules->op)
+    {
+      case MIME_MAGIC_MATCH :
+          printf("match(%s)", rules->value.matchv);
+	  break;
+      case MIME_MAGIC_LOCALE :
+          printf("locale(%s)", rules->value.localev);
+	  break;
+      case MIME_MAGIC_ASCII :
+          printf("ascii(%d,%d)", rules->offset, rules->length);
+	  break;
+      case MIME_MAGIC_PRINTABLE :
+          printf("printable(%d,%d)", rules->offset, rules->length);
+	  break;
+      case MIME_MAGIC_STRING :
+          printf("string(%d,", rules->offset);
+	  for (i = 0; i < rules->length; i ++)
+	    if (rules->value.stringv[i] < ' ' ||
+	        rules->value.stringv[i] > 126)
+	      printf("<%02X>", rules->value.stringv[i]);
+	    else
+	      putchar(rules->value.stringv[i]);
+          putchar(')');
+	  break;
+      case MIME_MAGIC_CHAR :
+          printf("char(%d,%d)", rules->offset, rules->value.charv);
+	  break;
+      case MIME_MAGIC_SHORT :
+          printf("short(%d,%d)", rules->offset, rules->value.shortv);
+	  break;
+      case MIME_MAGIC_INT :
+          printf("int(%d,%d)", rules->offset, rules->value.intv);
+	  break;
+      case MIME_MAGIC_CONTAINS :
+          printf("contains(%d,%d,", rules->offset, rules->region);
+	  for (i = 0; i < rules->length; i ++)
+	    if (rules->value.stringv[i] < ' ' ||
+	        rules->value.stringv[i] > 126)
+	      printf("<%02X>", rules->value.stringv[i]);
+	    else
+	      putchar(rules->value.stringv[i]);
+          putchar(')');
+	  break;
+      default :
+	  break;
+    }
+
+    if (rules->child != NULL)
+    {
+      if (rules->op == MIME_MAGIC_OR)
+	puts("OR (");
+      else
+	puts("AND (");
+
+      strcat(indent, "\t");
+      print_rules(rules->child);
+      indent[strlen(indent) - 1] = '\0';
+      printf("%s)\n", indent);
+    }
+    else
+      putchar('\n');
+
+    rules = rules->next;
+  }
+}
+
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/testspeed.c b/scheduler/testspeed.c
new file mode 100644
index 000000000..671f18148
--- /dev/null
+++ b/scheduler/testspeed.c
@@ -0,0 +1,126 @@
+/*
+ * "$Id$"
+ *
+ *   Scheduler speed test for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/time.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+
+
+/*
+ * 'main()' - Send multiple IPP requests and report on the average response
+ *            time.
+ */
+
+int
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* Connection to server */
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  cups_lang_t	*language;	/* Default language */
+  struct timeval start,		/* Start time */
+		end;		/* End time */
+  double	elapsed;	/* Elapsed time */
+
+
+  if (argc > 1)
+    http = httpConnect(argv[1], ippPort());
+  else
+    http = httpConnect("localhost", ippPort());
+
+  if (http == NULL)
+  {
+    perror("testspeed: unable to connect to server");
+    return (1);
+  }
+
+  language = cupsLangDefault();
+
+ /*
+  * Do requests 100 times...
+  */
+
+  printf("Testing: ");
+
+  for (elapsed = 0.0, i = 0; i < 100; i ++)
+  {
+    putchar('>');
+    fflush(stdout);
+
+   /*
+    * Build a CUPS_GET_PRINTERS request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_GET_PRINTERS;
+    request->request.op.request_id   = 1;
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    gettimeofday(&start, NULL);
+    response = cupsDoRequest(http, request, "/printers/");
+    gettimeofday(&end, NULL);
+
+    putchar('<');
+
+    if (response != NULL)
+      ippDelete(response);
+
+    elapsed += (end.tv_sec - start.tv_sec) +
+               0.000001 * (end.tv_usec - start.tv_usec);
+  }
+
+  puts("");
+  printf("Total elapsed time for %d requests was %.1fs (%.3fs/r)\n",
+         i, elapsed, elapsed / i);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/scheduler/type.c b/scheduler/type.c
new file mode 100644
index 000000000..1c93112a6
--- /dev/null
+++ b/scheduler/type.c
@@ -0,0 +1,1090 @@
+/*
+ * "$Id$"
+ *
+ *   MIME typing routines for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   mimeAddType()  - Add a MIME type to a database.
+ *   mimeAddRule()  - Add a detection rule for a file type.
+ *   mimeFileType() - Determine the type of a file.
+ *   mimeType()     - Lookup a file type.
+ *   compare()      - Compare two MIME super/type names.
+ *   checkrules()   - Check each rule in a list.
+ *   patmatch()     - Pattern matching...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <locale.h>
+
+#include <cups/string.h>
+#include "mime.h"
+#include <cups/debug.h>
+
+
+/*
+ * Local functions...
+ */
+
+static int	compare(mime_type_t **, mime_type_t **);
+static int	checkrules(const char *, FILE *, mime_magic_t *);
+static int	patmatch(const char *, const char *);
+
+
+/*
+ * 'mimeAddType()' - Add a MIME type to a database.
+ */
+
+mime_type_t *			/* O - New (or existing) MIME type */
+mimeAddType(mime_t     *mime,	/* I - MIME database */
+            const char *super,	/* I - Super-type name */
+	    const char *type)	/* I - Type name */
+{
+  mime_type_t	*temp,		/* New MIME type */
+		**types;	/* New MIME types array */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (mime == NULL || super == NULL || type == NULL)
+    return (NULL);
+
+  if (strlen(super) > (MIME_MAX_SUPER - 1) ||
+      strlen(type) > (MIME_MAX_TYPE - 1))
+    return (NULL);
+
+ /*
+  * See if the type already exists; if so, return the existing type...
+  */
+
+  if ((temp = mimeType(mime, super, type)) != NULL)
+    return (temp);
+
+ /*
+  * The type doesn't exist; add it...
+  */
+
+  if ((temp = calloc(1, sizeof(mime_type_t))) == NULL)
+    return (NULL);
+
+  if (mime->num_types == 0)
+    types = (mime_type_t **)malloc(sizeof(mime_type_t *));
+  else
+    types = (mime_type_t **)realloc(mime->types, sizeof(mime_type_t *) * (mime->num_types + 1));
+
+  if (types == NULL)
+  {
+    free(temp);
+    return (NULL);
+  }
+
+  mime->types = types;
+  types += mime->num_types;
+  mime->num_types ++;
+
+  *types = temp;
+  strncpy(temp->super, super, sizeof(temp->super) - 1);
+  strncpy(temp->type, type, sizeof(temp->type) - 1);
+
+  if (mime->num_types > 1)
+    qsort(mime->types, mime->num_types, sizeof(mime_type_t *),
+          (int (*)(const void *, const void *))compare);
+
+  return (temp);
+}
+
+
+/*
+ * 'mimeAddRule()' - Add a detection rule for a file type.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mimeAddTypeRule(mime_type_t *mt,	/* I - Type to add to */
+                const char  *rule)	/* I - Rule to add */
+{
+  int		num_values,		/* Number of values seen */
+		op,			/* Operation code */
+		logic,			/* Logic for next rule */
+		invert;			/* Invert following rule? */
+  char		name[255],		/* Name in rule string */
+		value[3][255],		/* Value in rule string */
+		*ptr,			/* Position in name or value */
+		quote;			/* Quote character */
+  int		length[3];		/* Length of each parameter */
+  mime_magic_t	*temp,			/* New rule */
+		*current;  		/* Current rule */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (mt == NULL || rule == NULL)
+    return (-1);
+
+ /*
+  * Find the last rule in the top-level of the rules tree.
+  */
+
+  for (current = mt->rules; current != NULL; current = current->next)
+    if (current->next == NULL)
+      break;
+
+ /*
+  * Parse the rules string.  Most rules are either a file extension or a
+  * comparison function:
+  *
+  *    extension
+  *    function(parameters)
+  */
+
+  logic  = MIME_MAGIC_NOP;
+  invert = 0;
+
+  DEBUG_printf(("%s/%s: %s\n", mt->super, mt->type, rule));
+
+  while (*rule != '\0')
+  {
+    while (isspace(*rule))
+      rule ++;
+
+    if (*rule == '(')
+    {
+      DEBUG_puts("new parenthesis group");
+      logic = MIME_MAGIC_NOP;
+      rule ++;
+    }
+    else if (*rule == ')')
+    {
+      DEBUG_puts("close paren...");
+      if (current == NULL || current->parent == NULL)
+        return (-1);
+
+      current = current->parent;
+
+      if (current->parent == NULL)
+        logic = MIME_MAGIC_OR;
+      else
+        logic = current->parent->op;
+
+      rule ++;
+    }
+    else if (*rule == '+' && current != NULL)
+    {
+      if (logic != MIME_MAGIC_AND &&
+          current != NULL && current->prev != NULL && current->prev->prev != NULL)
+      {
+       /*
+        * OK, we have more than 1 rule in the current tree level...  Make a
+	* new group tree and move the previous rule to it...
+	*/
+
+	if ((temp = calloc(1, sizeof(mime_magic_t))) == NULL)
+	  return (-1);
+
+        temp->op            = MIME_MAGIC_AND;
+        temp->child         = current;
+        temp->parent        = current->parent;
+	current->prev->next = temp;
+	temp->prev          = current->prev;
+
+        current->prev   = NULL;
+	current->parent = temp;
+
+        DEBUG_printf(("creating new AND group %p...\n", temp));
+      }
+      else
+      {
+        DEBUG_printf(("setting group %p op to AND...\n", current->parent));
+        current->parent->op = MIME_MAGIC_AND;
+      }
+
+      logic = MIME_MAGIC_AND;
+      rule ++;
+    }
+    else if (*rule == ',')
+    {
+      if (logic != MIME_MAGIC_OR && current != NULL)
+      {
+       /*
+        * OK, we have two possibilities; either this is the top-level rule or
+	* we have a bunch of AND rules at this level.
+	*/
+
+	if (current->parent == NULL)
+	{
+	 /*
+	  * This is the top-level rule; we have to move *all* of the AND rules
+	  * down a level, as AND has precedence over OR.
+	  */
+
+	  if ((temp = calloc(1, sizeof(mime_magic_t))) == NULL)
+	    return (-1);
+
+          DEBUG_printf(("creating new AND group %p inside OR group\n", temp));
+
+          while (current->prev != NULL)
+	  {
+	    current->parent = temp;
+	    current         = current->prev;
+	  }
+
+          current->parent = temp;
+          temp->op        = MIME_MAGIC_AND;
+          temp->child     = current;
+
+          mt->rules = current = temp;
+	}
+	else
+	{
+	 /*
+	  * This isn't the top rule, so go up one level...
+	  */
+
+          DEBUG_puts("going up one level");
+	  current = current->parent;
+	}
+      }
+
+      logic = MIME_MAGIC_OR;
+      rule ++;
+    }
+    else if (*rule == '!')
+    {
+      DEBUG_puts("NOT");
+      invert = 1;
+      rule ++;
+    }
+    else if (isalnum(*rule))
+    {
+     /*
+      * Read an extension name or a function...
+      */
+
+      for (ptr = name; isalnum(*rule) && (ptr - name) < (sizeof(name) - 1);)
+        *ptr++ = *rule++;
+
+      *ptr       = '\0';
+      num_values = 0;
+
+      if (*rule == '(')
+      {
+       /*
+        * Read function parameters...
+	*/
+
+	rule ++;
+	for (num_values = 0;
+	     num_values < (sizeof(value) / sizeof(value[0]));
+	     num_values ++)
+	{
+	  ptr = value[num_values];
+
+	  while ((ptr - value[num_values]) < (sizeof(value[0]) - 1) &&
+	         *rule != '\0' && *rule != ',' && *rule != ')')
+	  {
+	    if (isspace(*rule))
+	    {
+	     /*
+	      * Ignore whitespace...
+	      */
+
+	      rule ++;
+	      continue;
+	    }
+	    else if (*rule == '\"' || *rule == '\'')
+	    {
+	     /*
+	      * Copy quoted strings literally...
+	      */
+
+	      quote = *rule++;
+
+	      while (*rule != '\0' && *rule != quote &&
+	             (ptr - value[num_values]) < (sizeof(value[0]) - 1))
+	        *ptr++ = *rule++;
+
+              if (*rule == quote)
+	        rule ++;
+	      else
+		return (-1);
+	    }
+	    else if (*rule == '<')
+	    {
+	      rule ++;
+
+	      while (*rule != '>' && *rule != '\0' &&
+	             (ptr - value[num_values]) < (sizeof(value[0]) - 1))
+	      {
+	        if (isxdigit(rule[0]) && isxdigit(rule[1]))
+		{
+		  if (isdigit(*rule))
+		    *ptr = (*rule++ - '0') << 4;
+		  else
+		    *ptr = (tolower(*rule++) - 'a' + 10) << 4;
+
+		  if (isdigit(*rule))
+		    *ptr++ |= *rule++ - '0';
+		  else
+		    *ptr++ |= tolower(*rule++) - 'a' + 10;
+		}
+		else
+	          return (-1);
+	      }
+
+              if (*rule == '>')
+	        rule ++;
+	      else
+		return (-1);
+	    }
+	    else
+	      *ptr++ = *rule++;
+	  }
+
+          *ptr = '\0';
+	  length[num_values] = ptr - value[num_values];
+
+          if (*rule != ',')
+	    break;
+
+          rule ++;
+	}
+
+        if (*rule != ')')
+	  return (-1);
+
+	rule ++;
+
+       /*
+        * Figure out the function...
+	*/
+
+        if (strcmp(name, "match") == 0)
+	  op = MIME_MAGIC_MATCH;
+	else if (strcmp(name, "ascii") == 0)
+	  op = MIME_MAGIC_ASCII;
+	else if (strcmp(name, "printable") == 0)
+	  op = MIME_MAGIC_PRINTABLE;
+	else if (strcmp(name, "string") == 0)
+	  op = MIME_MAGIC_STRING;
+	else if (strcmp(name, "char") == 0)
+	  op = MIME_MAGIC_CHAR;
+	else if (strcmp(name, "short") == 0)
+	  op = MIME_MAGIC_SHORT;
+	else if (strcmp(name, "int") == 0)
+	  op = MIME_MAGIC_INT;
+	else if (strcmp(name, "locale") == 0)
+	  op = MIME_MAGIC_LOCALE;
+	else if (strcmp(name, "contains") == 0)
+	  op = MIME_MAGIC_CONTAINS;
+	else
+	  return (-1);
+      }
+      else
+      {
+       /*
+        * This is just a filename match on the extension...
+	*/
+
+	snprintf(value[0], sizeof(value[0]), "*.%s", name);
+	length[0]  = strlen(value[0]);
+	num_values = 1;
+	op         = MIME_MAGIC_MATCH;
+      }
+
+     /*
+      * Add a rule for this operation.
+      */
+
+      if ((temp = calloc(1, sizeof(mime_magic_t))) == NULL)
+	return (-1);
+
+      temp->invert = invert;
+      if (current != NULL)
+      {
+	temp->parent  = current->parent;
+	current->next = temp;
+      }
+      else
+        mt->rules = temp;
+
+      temp->prev = current;
+
+      if (logic == MIME_MAGIC_NOP)
+      {
+       /*
+        * Add parenthetical grouping...
+	*/
+
+        DEBUG_printf(("making new OR group %p for parenthesis...\n", temp));
+
+        temp->op = MIME_MAGIC_OR;
+
+	if ((temp->child = calloc(1, sizeof(mime_magic_t))) == NULL)
+	  return (-1);
+
+	temp->child->parent = temp;
+
+	temp  = temp->child;
+        logic = MIME_MAGIC_OR;
+      }
+
+      DEBUG_printf(("adding %p: %s, op = %d, logic = %d, invert = %d\n",
+                    temp, name, op, logic, invert));
+
+     /*
+      * Fill in data for the rule...
+      */
+
+      current  = temp;
+      temp->op = op;
+      invert   = 0;
+
+      switch (op)
+      {
+        case MIME_MAGIC_MATCH :
+	    if (length[0] > (sizeof(temp->value.matchv) - 1))
+	      return (-1);
+	    strcpy(temp->value.matchv, value[0]);
+	    break;
+	case MIME_MAGIC_ASCII :
+	case MIME_MAGIC_PRINTABLE :
+	    temp->offset = strtol(value[0], NULL, 0);
+	    temp->length = strtol(value[1], NULL, 0);
+	    if (temp->length > MIME_MAX_BUFFER)
+	      temp->length = MIME_MAX_BUFFER;
+	    break;
+	case MIME_MAGIC_STRING :
+	    temp->offset = strtol(value[0], NULL, 0);
+	    if (length[1] > sizeof(temp->value.stringv))
+	      return (-1);
+	    temp->length = length[1];
+	    memcpy(temp->value.stringv, value[1], length[1]);
+	    break;
+	case MIME_MAGIC_CHAR :
+	    temp->offset = strtol(value[0], NULL, 0);
+	    if (length[1] == 1)
+	      temp->value.charv = value[1][0];
+	    else
+	      temp->value.charv = strtol(value[1], NULL, 0);
+	    break;
+	case MIME_MAGIC_SHORT :
+	    temp->offset       = strtol(value[0], NULL, 0);
+	    temp->value.shortv = strtol(value[1], NULL, 0);
+	    break;
+	case MIME_MAGIC_INT :
+	    temp->offset     = strtol(value[0], NULL, 0);
+	    temp->value.intv = strtol(value[1], NULL, 0);
+	    break;
+	case MIME_MAGIC_LOCALE :
+	    if (length[0] > (sizeof(temp->value.localev) - 1))
+	      return (-1);
+
+	    strcpy(temp->value.localev, value[0]);
+	    break;
+	case MIME_MAGIC_CONTAINS :
+	    temp->offset = strtol(value[0], NULL, 0);
+	    temp->region = strtol(value[1], NULL, 0);
+	    if (length[2] > sizeof(temp->value.stringv))
+	      return (-1);
+	    temp->length = length[2];
+	    memcpy(temp->value.stringv, value[2], length[2]);
+	    break;
+      }
+    }
+    else
+      break;
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'mimeFileType()' - Determine the type of a file.
+ */
+
+mime_type_t *				/* O - Type of file */
+mimeFileType(mime_t     *mime,		/* I - MIME database */
+             const char *pathname)	/* I - Name of file to check */
+{
+  int		i;		/* Looping var */
+  FILE		*fp;		/* File pointer */
+  mime_type_t	**types;	/* File types */
+  const char	*filename;	/* Base filename of file */
+
+
+ /*
+  * Range check input parameters...
+  */
+
+  if (mime == NULL || pathname == NULL)
+    return (NULL);
+
+ /*
+  * Try to open the file...
+  */
+
+  if ((fp = fopen(pathname, "r")) == NULL)
+    return (NULL);
+
+ /*
+  * Figure out the filename (without directory portion)...
+  */
+
+  if ((filename = strrchr(pathname, '/')) != NULL)
+    filename ++;
+  else
+    filename = pathname;
+
+ /*
+  * Then check it against all known types...
+  */
+
+  for (i = mime->num_types, types = mime->types; i > 0; i --, types ++)
+    if (checkrules(filename, fp, (*types)->rules))
+      break;
+
+ /*
+  * Finally, close the file and return a match (if any)...
+  */
+
+  fclose(fp);
+
+  if (i > 0)
+    return (*types);
+  else
+    return (NULL);
+}
+
+
+/*
+ * 'mimeType()' - Lookup a file type.
+ */
+
+mime_type_t *			/* O - Matching file type definition */
+mimeType(mime_t     *mime,	/* I - MIME database */
+         const char *super,	/* I - Super-type name */
+	 const char *type)	/* I - Type name */
+{
+  mime_type_t	key,		/* MIME type search key*/
+		*keyptr,	/* Key pointer... */
+		**match;	/* Matching pointer */
+
+ /*
+  * Range check input...
+  */
+
+  if (mime == NULL || super == NULL || type == NULL)
+    return (NULL);
+
+  if (strlen(super) > (MIME_MAX_SUPER - 1) ||
+      strlen(type) > (MIME_MAX_TYPE - 1))
+    return (NULL);
+
+  if (mime->num_types == 0)
+    return (NULL);
+
+ /*
+  * Lookup the type in the array...
+  */
+
+  strncpy(key.super, super, sizeof(key.super) - 1);
+  key.super[sizeof(key.super) - 1] = '\0';
+  strncpy(key.type, type, sizeof(key.type) - 1);
+  key.type[sizeof(key.type) - 1] = '\0';
+
+  keyptr = &key;
+
+  match = (mime_type_t **)bsearch(&keyptr, mime->types, mime->num_types,
+                                  sizeof(mime_type_t *),
+                                  (int (*)(const void *, const void *))compare);
+
+  if (match == NULL)
+    return (NULL);
+  else
+    return (*match);
+}
+
+
+/*
+ * 'compare()' - Compare two MIME super/type names.
+ */
+
+static int			/* O - Result of comparison */
+compare(mime_type_t **t0,	/* I - First type */
+        mime_type_t **t1)	/* I - Second type */
+{
+  int	i;			/* Result of comparison */
+
+
+  if ((i = strcasecmp((*t0)->super, (*t1)->super)) == 0)
+    i = strcasecmp((*t0)->type, (*t1)->type);
+
+  return (i);
+}
+
+
+/*
+ * 'checkrules()' - Check each rule in a list.
+ */
+
+static int				/* O - 1 if match, 0 if no match */
+checkrules(const char   *filename,	/* I - Filename */
+           FILE         *fp,		/* I - File to check */
+           mime_magic_t *rules)		/* I - Rules to check */
+{
+  int		n;			/* Looping var */
+  int		region;			/* Region to look at */
+  int		logic,			/* Logic to apply */
+		result,			/* Result of test */
+		intv;			/* Integer value */
+  short		shortv;			/* Short value */
+  unsigned char	buffer[MIME_MAX_BUFFER],/* Input buffer */
+		*bufptr;		/* Current buffer position */
+  int		bufoffset,		/* Offset in file for buffer */
+		buflength;		/* Length of data in buffer */
+
+
+  if (rules == NULL)
+    return (0);
+
+  if (rules->parent == NULL)
+    logic = MIME_MAGIC_OR;
+  else
+    logic = rules->parent->op;
+
+  bufoffset = -1;
+  buflength = 0;
+  result    = 0;
+
+  while (rules != NULL)
+  {
+   /*
+    * Compute the result of this rule...
+    */
+
+    switch (rules->op)
+    {
+      case MIME_MAGIC_MATCH :
+          result = patmatch(filename, rules->value.matchv);
+	  break;
+
+      case MIME_MAGIC_ASCII :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset ||
+	      (rules->offset + rules->length) > (bufoffset + buflength))
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+         /*
+	  * Test for ASCII printable characters plus standard control chars.
+	  */
+
+	  if ((rules->offset + rules->length) > (bufoffset + buflength))
+	    n = bufoffset + buflength - rules->offset;
+	  else
+	    n = rules->length;
+
+          bufptr = buffer + rules->offset - bufoffset;
+	  while (n > 0)
+	    if ((*bufptr >= 32 && *bufptr <= 126) ||
+	        (*bufptr >= 8 && *bufptr <= 13) ||
+		*bufptr == 26 || *bufptr == 27)
+	    {
+	      n --;
+	      bufptr ++;
+	    }
+	    else
+	      break;
+
+	  result = (n == 0);
+	  break;
+
+      case MIME_MAGIC_PRINTABLE :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset ||
+	      (rules->offset + rules->length) > (bufoffset + buflength))
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+         /*
+	  * Test for 8-bit printable characters plus standard control chars.
+	  */
+
+	  if ((rules->offset + rules->length) > (bufoffset + buflength))
+	    n = bufoffset + buflength - rules->offset;
+	  else
+	    n = rules->length;
+
+          bufptr = buffer + rules->offset - bufoffset;
+
+	  while (n > 0)
+	    if (*bufptr >= 128 ||
+	        (*bufptr >= 32 && *bufptr <= 126) ||
+	        (*bufptr >= 8 && *bufptr <= 13) ||
+		*bufptr == 26 || *bufptr == 27)
+	    {
+	      n --;
+	      bufptr ++;
+	    }
+	    else
+	      break;
+
+	  result = (n == 0);
+	  break;
+
+      case MIME_MAGIC_STRING :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset ||
+	      (rules->offset + rules->length) > (bufoffset + buflength))
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+         /*
+	  * Compare the buffer against the string.  If the file is too
+	  * short then don't compare - it can't match...
+	  */
+
+	  if ((rules->offset + rules->length) > (bufoffset + buflength))
+	    result = 0;
+	  else
+            result = (memcmp(buffer + rules->offset - bufoffset,
+	                     rules->value.stringv, rules->length) == 0);
+	  break;
+
+      case MIME_MAGIC_CHAR :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset)
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+	 /*
+	  * Compare the character values; if the file is too short, it
+	  * can't match...
+	  */
+
+	  if (buflength < 1)
+	    result = 0;
+	  else
+	    result = (buffer[rules->offset - bufoffset] == rules->value.charv);
+	  break;
+
+      case MIME_MAGIC_SHORT :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset ||
+	      (rules->offset + 2) > (bufoffset + buflength))
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+	 /*
+	  * Compare the short values; if the file is too short, it
+	  * can't match...
+	  */
+
+	  if (buflength < 2)
+	    result = 0;
+	  else
+	  {
+	    bufptr = buffer + rules->offset - bufoffset;
+	    shortv = (bufptr[0] << 8) | bufptr[1];
+	    result = (shortv == rules->value.shortv);
+	  }
+	  break;
+
+      case MIME_MAGIC_INT :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset ||
+	      (rules->offset + 4) > (bufoffset + buflength))
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+	 /*
+	  * Compare the int values; if the file is too short, it
+	  * can't match...
+	  */
+
+	  if (buflength < 4)
+	    result = 0;
+	  else
+	  {
+	    bufptr = buffer + rules->offset - bufoffset;
+	    intv   = (((((bufptr[0] << 8) | bufptr[1]) << 8) | bufptr[2]) << 8) |
+	             bufptr[3];;
+	    result = (intv == rules->value.intv);
+	  }
+	  break;
+
+      case MIME_MAGIC_LOCALE :
+          result = (strcmp(rules->value.localev, setlocale(LC_MESSAGES, NULL)) == 0);
+	  break;
+
+      case MIME_MAGIC_CONTAINS :
+         /*
+	  * Load the buffer if necessary...
+	  */
+
+          if (bufoffset < 0 || rules->offset < bufoffset ||
+	      (rules->offset + rules->region) > (bufoffset + buflength))
+	  {
+	   /*
+	    * Reload file buffer...
+	    */
+
+            fseek(fp, rules->offset, SEEK_SET);
+	    buflength = fread(buffer, 1, sizeof(buffer), fp);
+	    bufoffset = rules->offset;
+	  }
+
+         /*
+	  * Compare the buffer against the string.  If the file is too
+	  * short then don't compare - it can't match...
+	  */
+
+	  if ((rules->offset + rules->length) > (bufoffset + buflength))
+	    result = 0;
+	  else
+	  {
+	    if (buflength > rules->region)
+	      region = rules->region - rules->length;
+	    else
+	      region = buflength - rules->length;
+
+	    for (n = 0; n < region; n ++)
+	      if ((result = (memcmp(buffer + rules->offset - bufoffset + n,
+	                            rules->value.stringv, rules->length) == 0)) != 0)
+		break;
+          }
+	  break;
+
+      default :
+          if (rules->child != NULL)
+	    result = checkrules(filename, fp, rules->child);
+	  else
+	    result = 0;
+	  break;
+    }
+
+   /*
+    * If the logic is inverted, invert the result...
+    */
+
+    if (rules->invert)
+      result = !result;
+
+   /*
+    * OK, now if the current logic is OR and this result is true, the this
+    * rule set is true.  If the current logic is AND and this result is false,
+    * the the rule set is false...
+    */
+
+    DEBUG_printf(("result of test %p is %d\n", rules, result));
+
+    if ((result && logic == MIME_MAGIC_OR) ||
+        (!result && logic == MIME_MAGIC_AND))
+      return (result);
+
+   /*
+    * Otherwise the jury is still out on this one, so move to the next rule.
+    */
+
+    rules = rules->next;
+  }
+
+  return (result);
+}
+
+
+/*
+ * 'patmatch()' - Pattern matching...
+ */
+
+static int			/* O - 1 if match, 0 if no match */
+patmatch(const char *s,		/* I - String to match against */
+         const char *pat)	/* I - Pattern to match against */
+{
+ /*
+  * Range check the input...
+  */
+
+  if (s == NULL || pat == NULL)
+    return (0);
+
+ /*
+  * Loop through the pattern and match strings, and stop if we come to a
+  * point where the strings don't match or we find a complete match.
+  */
+
+  while (*s != '\0' && *pat != '\0')
+  {
+    if (*pat == '*')
+    {
+     /*
+      * Wildcard - 0 or more characters...
+      */
+
+      pat ++;
+      if (*pat == '\0')
+        return (1);	/* Last pattern char is *, so everything matches now... */
+
+     /*
+      * Test all remaining combinations until we get to the end of the string.
+      */
+
+      while (*s != '\0')
+      {
+        if (patmatch(s, pat))
+	  return (1);
+
+	s ++;
+      }
+    }
+    else if (*pat == '?')
+    {
+     /*
+      * Wildcard - 1 character...
+      */
+
+      pat ++;
+      s ++;
+      continue;
+    }
+    else if (*pat == '[')
+    {
+     /*
+      * Match a character from the input set [chars]...
+      */
+
+      pat ++;
+      while (*pat != ']' && *pat != '\0')
+        if (*s == *pat)
+	  break;
+	else
+	  pat ++;
+
+      if (*pat == ']' || *pat == '\0')
+        return (0);
+
+      while (*pat != ']' && *pat != '\0')
+        pat ++;
+
+      if (*pat == ']')
+        pat ++;
+
+      continue;
+    }
+    else if (*pat == '\\')
+    {
+     /*
+      * Handle quoted characters...
+      */
+
+      pat ++;
+    }
+
+   /*
+    * Stop if the pattern and string don't match...
+    */
+
+    if (*pat++ != *s++)
+      return (0);
+  }
+
+ /*
+  * Done parsing the pattern and string; return 1 if the last character matches
+  * and 0 otherwise...
+  */
+
+  return (*s == *pat);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/standards/draft-ietf-ipp-collection-04.txt b/standards/draft-ietf-ipp-collection-04.txt
new file mode 100644
index 000000000..1a5905eab
--- /dev/null
+++ b/standards/draft-ietf-ipp-collection-04.txt
@@ -0,0 +1,2262 @@
+
+
+
+
+
+
+INTERNET-DRAFT                                              Roger deBry
+<draft-ietf-ipp-collection-04.txt>            Utah Valley State College
+                                                             T. Hastings
+                                                       Xerox Corporation
+                                                              R. Herriot
+                                                       Xerox Corporation
+                                                                 K. Ocke
+                                                       Xerox Corporation
+                                                               P. Zehler
+                                                       Xerox Corporation
+                                                        January 24, 2001
+
+
+                     Internet Printing Protocol (IPP):
+                     The 'collection' attribute syntax
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+
+
+Status of this Memo:
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+   This document specifies an OPTIONAL attribute syntax called
+   'collection' for use with the Internet Printing Protocol/1.0
+   (IPP) [RFC2565, RFC2566], IPP/1.1 [RFC2911, RFC2910], and
+   subsequent versions. A 'collection' is a container holding one or
+   more named values, which are called "member" attributes.  A
+   collection allows data to be grouped like a PostScript dictionary
+   or a Java Map.  This document also specifies the conformance
+   requirements for a definition document that defines a collection
+   attribute.  Finally, this document gives some illustrative
+   example collection attribute definitions that are not intended as
+   actual attribute specifications.
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 1]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+   The full set of IPP documents includes:
+
+   Design Goals for an Internet Printing Protocol [RFC2567]
+   Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+   Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+   Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+   Internet Printing Protocol/1.1: Implementer's Guide [IPP-IIG]
+   Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting over HTTP a message body whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ipp'
+   for identifying IPP printers and jobs.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 2]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+Table of Contents
+
+
+
+   1  Introduction....................................................5
+   1.1  Problem Statement ............................................5
+   1.2  Solution .....................................................5
+
+   2  Terminology.....................................................6
+   2.1  Conformance Terminology ......................................6
+   2.2  Other terminology ............................................7
+
+   3  Definition of a Collection Attribute............................7
+   3.1  Information to Include .......................................7
+   3.2  Nested Collections ..........................................11
+
+   4  Collection Attributes as Attributes in Operations..............11
+   4.1  General Rules ...............................................11
+   4.2  Unsupported Values ..........................................11
+
+   5  Example definition of a collection attribute...................12
+   5.1  media-col (collection) ......................................12
+   5.1.1media-color (type3 keyword | name(MAX) ......................13
+   5.1.2media-size (collection) .....................................13
+   5.2  media-col-default (collection) ..............................14
+   5.3  media-col-ready (1setOf collection) .........................14
+   5.4  media-col-supported (1setOf type2 keyword) ..................14
+
+   6  A Second Example Definition Of A Collection Attribute..........15
+
+   7  Encoding.......................................................15
+   7.1  Additional tags defined for representing a collection attribute
+   value16
+   7.2  Example encoding: "media-col" (collection) ..................17
+
+   8  Legacy issues..................................................23
+
+   9  IANA Considerations............................................23
+   9.1  Attribute Syntax Registration ...............................23
+
+   10 Internationalization Considerations............................23
+
+   11 Security Considerations........................................24
+
+   12 References.....................................................24
+
+   13 Author's Addresses.............................................25
+
+   14 Appendix A: Encoding Example of a Simple Collection............26
+
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 3]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+   15 Appendix B: Encoding Example of 1setOf Collection..............29
+
+   16 Appendix C: Encoding Example of Collection containing 1setOf XXX
+   attribute.........................................................34
+
+   17 Appendix D: Full Copyright Statement...........................38
+
+
+Table of Tables
+
+   Table 1 - "media-col" member attributes...........................13
+   Table 2 - "media-size" collection member attributes...............13
+   Table 3 - Tags defined for encoding the 'collection' attribute syntax
+       ..............................................................16
+   Table 4 - Overview Encoding of "media-col" collection.............18
+   Table 5 - Example Encoding of "media-col" collection..............18
+   Table 6 - Overview Encoding of simple collection..................26
+   Table 7 - Example Encoding of simple collection...................26
+   Table 8 - Overview Encoding of 1setOf collection..................29
+   Table 9 - Example Encoding of 1setOf collection...................30
+   Table 10 - Overview Encoding of collection with 1setOf value......34
+   Table 11 - Example Encoding of collection with 1setOf value.......35
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 4]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+
+
+1  Introduction
+
+
+1.1 Problem Statement
+
+   The IPP Model and Semantics [RFC2911] supports most of the common
+   data structures that are available in programming languages. It lacks
+   a mechanism for grouping several attributes of different types.  The
+   Java language uses the Map to solve this problem and PostScript has a
+   dictionary.  The new mechanism for grouping attributes together
+   (called 'collection' mechanism) must allow for optional members and
+   subsequent addition of new members.
+
+   The 'collection' mechanism must be encoded in a manner consistent
+   with existing 1.0 and 1.1 parsing rules (see [RFC2910]).  Current 1.0
+   and 1.1 parsers that don't support the 'collection' mechanism must
+   not confuse collections or parts of collection they receive with
+   other attributes.
+
+
+1.2 Solution
+
+   The new mechanism is a new IPP attribute syntax called a
+   'collection'.  As such, each collection value is a value of an
+   attribute whose attribute syntax type is defined to be a
+   'collection'.  Such an attribute is called a collection attribute.
+   The name of the collection attribute serves to identify the
+   collection value in an operation request or response, as with any
+   attribute value.
+
+   The 'collection' attribute syntax is a container holding one or more
+   named values (i.e., attributes), which are called member attributes.
+   Each collection attribute definition document lists the mandatory and
+   optional member attributes of each collection value. A collection
+   value is similar to an IPP attribute group in a request or a
+   response, such as the operation attributes group. They both consist
+   of a set of attributes.
+
+   As with any attribute syntax, the document that defines a collection
+   attribute specifies whether the attribute is single-value
+   (collection) or multi-valued (1setOf collection). If the attribute is
+   multi-valued (1setOf collection) each collection value MUST be a
+   separate instance of a single definition of a collection, i.e. it
+   MUST have the same member attributes except for OPTIONAL member
+   attributes. If we view each collection definition as a separate
+   syntax type, this rule continues the IPP/1.1 notion that each
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 5]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+   attribute has a single type or pattern (e.g. "keyword | name" is a
+   pattern). Without this rule, the supported values would be more
+   difficult to describe and the mechanism defined in item 4 of section
+   3.1 would not be sufficient.
+
+   The name of each member attribute MUST be unique for a collection
+   attribute, but MAY be the same as the name of a member attribute in
+   another collection attribute and/or MAY be the same as the name of an
+   attribute that is not a member of a collection.  The rules for naming
+   member attributes are given in section 3.1.
+
+   Each member attribute can have any attribute syntax type, including
+   'collection', and can be either single-valued or multi-valued.  The
+   length of a collection value is not limited. However, the length of
+   each member attribute MUST NOT exceed the limit of its attribute
+   syntax.
+
+   The member attributes in a collection MAY be in any order in a
+   request or response. When a client sends a collection attribute to
+   the Printer, the order that the Printer stores the member attributes
+   of the collection value and the order returned in a response MAY be
+   different from the order sent by the client.
+
+   A collection value MUST NOT contains two or more member attributes
+   with the same attribute name.  Such a collection is mal-formed.
+   Clients MUST NOT submit such malformed requests and Printers MUST NOT
+   return such malformed responses.  If such a malformed request is
+   submitted to a Printer, the Printer MUST (depending on
+   implementation) either (1) reject the request with the 'client-error-
+   bad-request' status code (see section 13.1.4.1), or (2) accept the
+   request and use only one of each duplicate member attribute.
+
+
+
+2  Terminology
+
+   This section defines terminology used throughout this document.
+
+
+2.1 Conformance Terminology
+
+   Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD
+   NOT, MAY, NEED NOT, and OPTIONAL, have special meaning relating to
+   conformance.  These terms are defined in [RFC2911] section 12.1 on
+   conformance terminology, most of which is taken from RFC 2119
+   [RFC2119].
+
+   The following specialization of these terms apply to this document:
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 6]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+     REQUIRED: if an implementation supports the extensions described in
+       this document, it MUST support a REQUIRED feature.
+
+     OPTIONAL: if an implementation supports the extensions described in
+       this document, it MAY support an OPTIONAL feature.
+
+
+2.2 Other terminology
+
+   This document uses terms such as Job object (or Job), IPP Printer
+   object (or Printer), "operation", "request", response", "attributes",
+   "keywords", and "support".  These terms have special meaning and are
+   defined in the model terminology [RFC2911] section 12.2.  The
+   following additional terms are introduced in this document:
+
+     collection:  an attribute syntax in which each attribute value is a
+       set of attributes, called member attributes.
+
+     member attribute:  an attribute that is defined to be used as one
+       of the attributes in a collection.
+
+     collection attribute:  an attribute whose definition specifies the
+       'collection' attribute syntax and each of the member attributes
+       that MAY occur in a collection attribute value.
+
+
+
+3  Definition of a Collection Attribute
+
+   This section describes the requirements for any collection attribute
+   definition.
+
+
+3.1 Information to Include
+
+   When a specification document defines an "xxx" collection attribute,
+   i.e., an attribute whose attribute syntax type is 'collection' or
+   '1setOf collection'; the definition document MUST include the
+   following aspects of the attribute semantics.  Suppose the "xxx"
+   collection attribute contains N member attributes named  "aaa1",
+   "aaa2", _, "aaaN" ("aaaI" represents any one of these N member
+   attributes).
+
+  1. The name of the collection attribute MUST be specified  (e.g.
+     "xxx"). The selection of the name "xxx" MUST follow the same rules
+     for uniqueness as for attributes of any other syntax type (as
+     defined by IPP/1.1) unless "xxx" is a member attribute of another
+     collection. Then the selection of the name "xxx" MUST follow the
+     rules for uniqueness defined in item 5a)  of this list.
+
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 7]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+  2. The collection attribute syntax MUST be of type 'collection' or
+     '1setOf collection'.
+
+  3. The context of the collection attribute MUST be specified, i.e.,
+     whether the attribute is an operation attribute, a Job Template
+     attribute, a Job Description attribute, a Printer Description
+     attribute, a member attribute of a particular collection attribute,
+     etc.
+
+  4. An "xxx-supported" attribute MUST be specified and it has one of
+     the following two forms:
+
+     a)"xxx-supported" is a "1setOf collection" which enumerates all of
+       the supported collection values of "xxx". If a collection of
+       this form contains a nested collection, it MUST be of the same
+       form.
+
+       For example, "media-size-supported" might have the values  {{x-
+       dimension:210, y-dimension:297},{x-dimension:297, y-
+       dimension:420}} to show that it supports two values of "media
+       size": A4 (210x297) and A3 (297x420). It does not support other
+       combinations of "x-dimension" and "y-dimension" member
+       attributes, such as 210x420 or 297x297 and it does not supported
+       non-enumerated values, such as 420x595.
+
+     b)"xxx-supported" is a "1setOf  type2 keyword" which enumerates
+       the names of all of the member attributes of "xxx": "aaa1",
+       "aaa2", _, "aaaN". If a collection of this form contains a
+       nested collection, it MAY be of either form. See item 5f) below
+       for details on supported values of member attributes.
+
+       For example, "media-col-supported" might have the keyword
+       values: "media-size" and "media-color".
+
+  5. The member attributes MUST be defined.  For each member attribute
+     the definition document MUST provide the following information:
+
+
+     a)The member attribute's name (e.g., "aaa") MUST be unique within
+       the collection being defined and MUST either
+
+
+       i) reuse the attribute name of another attribute (that is unique
+          across the entire IPP attribute name space) and have the same
+          syntax and semantics as the reused attribute (if the condition
+          of item 4b) above is met). For example, a member attribute
+          definition could reuse the IPP/1.1 "media" attribute.
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 8]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+       ii)     potentially occur elsewhere in the entire IPP attribute
+          name space. (if the condition of item 4a) above is met). For
+          example, a member attribute could be "x-dimension" which could
+          potentially occur in another collection or as an attribute
+          outside of a collection.
+
+
+       iii)    be unique across the entire IPP attribute name space (if
+          the condition of item 4b) above is met). For example, a member
+          attribute could be "media-color" which must unique be across
+          the entire IPP attribute name space.
+
+
+     b)Whether the member attribute is REQUIRED or OPTIONAL for the
+       Printer to support
+
+
+     c)Whether the member attribute is REQUIRED or OPTIONAL for the
+       client to supply in a request
+
+
+     d)The member attribute's syntax type, which can be any attribute
+       syntax, including '1setOf X', 'collection', and '1setOf
+       collection'.  If this attribute name reuses the name of another
+       attribute (case of item a1 above), it MUST have the same
+       attribute syntax, including cardinality (whether or not 1setOf).
+
+
+     e)The semantics of the "aaa" member attribute. The semantic
+       definition MUST include a description of any constraint or
+       boundary conditions the member attribute places on the
+       associated attribute, especially if the attribute reuses the
+       name of another attribute (case of item a1 above)
+
+     f)The supported values for the each "aaaI" member attribute (of
+       the member attributes  "aaa1", "aaa2", _, "aaaN") is specified
+       by one of two mechanisms.
+
+       i) If "xxx-supported" is a "1setOf collection" (see item 4a)
+          above), the value for each "aaaI" is specified in each
+          collection value of "xxx-supported" in the context of other
+          member attributes. That is, "xxx-supported" enumerates all
+          supported values of "xxx".
+
+
+       ii)  If the value of "xxx-supported" is a "1setOf  type2
+          keyword" (see item 4b) above), the supported values of "aaaI"
+          are the values specified by either i) the "aaaI-supported"
+          attribute or ii) the definition of the member attribute "aaaI"
+          within the document defining the "xxx" attribute. The values
+
+
+deBry, et al.             Expires:  July 24, 2001               [page 9]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+          of each member attribute "aaaI" are specified independently of
+          other member attributes though a Printer is not required to
+          support all combinations of supported values.
+
+          For example, "media-col-supported" might have the keyword
+          values: "media-size" and "media-color". Using the first method
+          for defining supported values (an "aaaI-supported" attribute),
+          the collection values of "media-col" are combinations of
+          values of "media-size-supported" and "media-color-
+          supported".If "media-size-supported" has the values of
+          '210x297' and '297x420' and "media-color-supported" has the
+          values of 'white' and 'pink', the Printer might support only
+          the combinations 'white-210x297', 'pink-210x297'and 'white-
+          297x420', and not 'pink-297x420'.
+
+          If a collection contains a member "aaaI" whose syntax type is
+          "text", the supported values would probably be defined by the
+          definition of "xxx" rather than by the attribute "aaaI-
+          supported".
+
+     g)the default value of each "aaaI" member attribute if it is
+       OPTIONAL for a client to supply the "aaa" member attribute in a
+       request. The default value is specified by in the attribute's
+       definition within a document and MUST be one of the following:
+
+       i) a fixed default
+
+       ii)  a mechanism by which the Printer determines default
+
+       iii) an indefinite default that is left to the implementation.
+
+       iv)  an attribute that the Printer uses to determine the default
+
+  6. The default value of "xxx" if a client does not supply it. The
+     default value is specified by in the attribute's definition within
+     a document and MUST be one of the following:
+
+
+     a)a fixed default
+
+
+     b)a mechanism by which the Printer determines default
+
+
+     c)an indefinite default that is left to the implementation
+
+     d)a Printer attribute "xxx-default" which is a collection with the
+       same member attributes as "xxx". Though optional member
+       attributes may be absent in which case the Printer uses the
+       defaulting rules of item 5g) above.
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 10]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+  7. The "xxx-ready (1setOf collection)" attribute if human intervention
+     is required to make many of the supported values available.  For
+     example, "media-col" is an attribute which has a "ready" attribute.
+     Most attributes do not have a "ready" attribute.
+
+
+3.2 Nested Collections
+
+   A member attribute may have a syntax type of 'collection' or '1setOf
+   collection', in which case it is called a nested collection
+   attribute. The rules for a nested collection attribute are the same
+   as for a collection attribute as specified in section 3.1.
+
+
+
+4  Collection Attributes as Attributes in Operations
+
+
+4.1 General Rules
+
+   A collection value is like any other IPP/1.1 value, except that it is
+   structured. The rules for attributes with collection values are the
+   same as for attributes of any other syntax type (see IPP/1.1), be
+   they in any group of a request of a response.
+
+
+4.2 Unsupported Values
+
+   The rules for returning an unsupported collection attribute are an
+   extension to the current rules:
+
+   1.  If the entire collection attribute is unsupported, then the
+       Printer returns just the collection attribute name with the
+       'unsupported' out-of-band value (see the beginning of [RFC2911]
+       section 4.1) in the Unsupported Attributes Group.
+
+   2.  If a collection contains unrecognized, unsupported member
+       attributes and/or conflicting values, the attribute returned in
+       the Unsupported Group is a collection containing the
+       unrecognized, unsupported member attributes, and/or conflicting
+       values. The unrecognized member attributes have an out-of-band
+       value of 'unsupported' (see the beginning of [RFC2911] section
+       4.1). The unsupported member attributes and conflicting values
+       have their unsupported or conflicting values.
+
+
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 11]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+5  Example definition of a collection attribute
+
+   In some printing environments, it is desirable to allow the client to
+   select the media by its properties, e.g., weight, color, size, etc.,
+   instead of by name. In IPP/1.1 (see [RFC2911]), the "media (type3
+   keyword | name) Job Template attribute allows selection by name.   It
+   is tempting to extend the "media" attribute syntax to include
+   "collection", but then existing clients could not understand default
+   or supported media values that use the collection value. To preserve
+   interoperability, a new attribute MUST BE added, e.g., "media-col
+   (collection)". The following subsections contain a sample definition
+   of a simplified "media-col" attribute. The definition follows the
+   rules in section 3.
+
+   All of the example attribute definitions in this document are
+   illustrative examples, rather than actual definitions.  These
+   examples are intended to illustrate how to define collection
+   attributes.  Other documents MUST define collection attributes for
+   use in actual interchange.  Such definitions may be very similar to
+   the examples in this document, since we attempted to pick useful
+   examples.
+
+   Note: we picked the name "media-col" because the name "media" is
+   already in use. Ordinarily the collection attribute would have a name
+   like any other attribute and would not end in "col".
+
+   The member attributes of "media-col" attribute ("media-color (type 3
+   keyword)" and "media-size (collection)") both follow the naming rules
+   of item 4a3 of section 3, i.e. the names are unique across the entire
+   IPP attribute name space. The member attributes of the "media-size
+   (collection)" member attribute ("x-dimension (integer(0,MAX))" and
+   "y-dimension (integer(0,MAX))") both follow the naming rules of item
+   4a2 of section 3, i.e. they potentially occur elsewhere in the IPP
+   attribute name space.
+
+
+5.1 media-col (collection)
+
+   The "media-col" (collection) attribute augments the IPP/1.1 [RFC2911]
+   "media" attribute.  This collection attribute enables a client end
+   user to submit a list of media characteristics to the Printer.  When
+   the client specifies media using the "media-col" collection
+   attribute, the Printer object MUST match the requested media exactly.
+   The 'collection' consists of the following member attributes:
+
+
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 12]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+                  Table 1 - "media-col" member attributes
+
+
+
+     Attribute name  attribute syntax               reque Printer
+                                                    st    Support
+
+
+     media-color     type3 keyword | name (MAX)     MAY   MUST
+
+     media-size      collection                     MUST  MUST
+
+
+   The definitions for the member attributes is given in the following
+   sub-sections:
+
+
+     5.1.1     media-color (type3 keyword | name(MAX)
+
+     This member attribute identifies the color of the media.  Valid
+     values are 'red', 'white' and 'blue'
+
+     The "media-color-supported" (1setOf (type3 keyword | name(MAX)))
+     Printer attribute identifies the values of this "media-color"
+     member attribute that the Printer supports, i.e., the colors
+     supported.
+
+     If  the client omits this member attribute, the Printer determines
+     the value in an implementation dependent manner.
+
+
+     5.1.2     media-size (collection)
+
+     This member attribute identifies the size of the media.  The
+     'collection' consists of the member attributes shown in Table 2:
+
+
+            Table 2 - "media-size" collection member attributes
+
+
+
+          Attribute    attribute syntax        request  Printer
+          name                                          Support
+
+
+          x-dimension  integer (0:MAX)         MUST     MUST
+
+          y-dimension  integer (0:MAX)         MUST     MUST
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 13]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+          The definitions for the member attributes is given in the
+          following sub-sections:
+
+
+          5.1.2.1    x-dimension (integer(0:MAX))
+          This attribute identifies the width of the media in inch units
+          along the X axis.
+
+
+          5.1.2.2    y-dimension (integer(0:MAX))
+          This attribute identifies the height of the media in inch
+          units along the Y axis.
+
+          The "media-size-supported" (1setOf collection) Printer
+          attribute identifies the values of this "media-size" member
+          attribute that the Printer supports, i.e., the size
+          combinations supported.  The names of the member attributes
+          are the same as the member attributes of the "media-size"
+          collection attribute, namely "x-dimension", and "y-dimension",
+          since they have the same attribute syntax and the same
+          semantics.
+
+
+5.2 media-col-default (collection)
+
+   The "media-col-default" Printer attribute specifies the media that
+   the Printer uses, if any, if the client omits the "media-col" and
+   "media". Job Template attribute in the Job Creation operation (and
+   the PDL doesn't include a media specification).  The member
+   attributes are defined in Table 1.  A Printer MUST support the same
+   member attributes for this default collection attribute as it
+   supports for the corresponding "media-col" Job Template attribute.
+
+
+5.3 media-col-ready (1setOf collection)
+
+   The "media-col-ready" Printer attribute identifies the media that are
+   available for use without human intervention, i.e., the media that
+   are ready to be used without human intervention.  The collection
+   value MUST have all of the member attributes that are supported in
+   Table 1.
+
+
+5.4 media-col-supported (1setOf type2 keyword)
+
+   The "media-col-supported" Printer attribute identifies the keyword
+   names of the member attributes supported in the "media-col"
+   collection Job Template attribute, i.e., the keyword names of the
+   member attributes in Table 1 that the Printer supports.
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 14]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+6  A Second Example Definition Of A Collection Attribute
+
+   All of the example attribute definitions in this document are
+   illustrative examples, rather than actual definitions.  These
+   examples are intended to illustrate how to define collection
+   attributes.  Other documents MUST define collection attributes for
+   use in actual interchange.  Such definitions may be very similar to
+   the examples in this document, since we attempted to pick useful
+   examples.
+
+   In some printing environments, it is desirable to allow the client to
+   select the media for the job start sheet.  The reason for not adding
+   the 'collection' attribute syntax to the existing "job-sheets" Job
+   Template attribute is the same as for "media". Instead, a new Job
+   Template attribute is introduced, e.g. "job-sheet-col (collection)".
+
+   The  member attributes of "job-sheet-col" attribute ("job-sheets
+   (type 3 keyword)" and "media (type3 keyword | name)")  both follow
+   the naming rules of item 4a1 of section 3, i.e they reuse existing
+   IPP attributes.  According to the rules, their supported values come
+   from the existing IPP attributes: "job-sheets-supported" and "media-
+   supported". However, their default values do not come from "job-
+   sheets-default" and "media-default", respectively. Rather the
+   definition of "job-sheet-col" says that "job-sheets (type 3 keyword)"
+   is required and if "media (type3 keyword | name)" is absent, the
+   Printer uses the same media as the rest of the job uses.
+
+   If "job-sheet-col" attribute were defined to contain the member
+   attribute "job-sheet-media (type3 keyword | name)" instead of "media
+   (type3 keyword | name)", then the definition would also have to
+   specify a "job-sheet-media-supported  (1setOf (type3 keyword |
+   name))" whose values would be independent of "media-supported
+   (1setOf (type3 keyword | name))" and would be set separately by a
+   System Administrator.
+
+   The actual text for the definition of the attribute is left as an
+   exercise for the reader.
+
+
+
+7  Encoding
+
+   This section defines the additional encoding tags used according to
+   [RFC2910] and gives an example of their use.  The encoding tags
+   define in this document MUST be used by all collection attributes
+   defined in other documents.  However, the example of their use is
+   illustrative only.
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 15]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+7.1 Additional tags defined for representing a collection attribute
+    value
+
+   The 'collection' attribute syntax uses the tags defined in Table 3.
+
+
+   Table 3 - Tags defined for encoding the 'collection' attribute syntax
+
+
+
+     Tag name         Tag       Meaning
+                      value
+
+
+     begCollection    0x34      Begin the collection attribute value.
+
+     endCollection    0x37      End the collection attribute value.
+
+     memberAttrName   0x4A      The value is the name of the
+                                collection member attribute
+
+
+   When encoding a collection attribute "xxx" that contains an attribute
+   "aaa" and is not inside another collection, the encoding follows
+   these rules:
+
+   1.  The beginning of the collection is indicated with a value tag
+       that MUST be syntax type 'begCollection' (0x34) with a name
+       length and Name field that represent the name of the collection
+       attribute ("xxx") as with any attribute, followed by a value. The
+       Printer MAY ignore the value and its length of MAY be 0. In the
+       future, however, this field MAY contain useful information, such
+       as the collection name (cf. the name of a C struct).
+
+   2.  Each member attribute is encoded as a sequence of two or more
+       values that appear to be part of a single multi-valued attribute,
+       i.e. 1setOf.  The first value after the 'begCollection' value has
+       the attribute syntax 'memberAttrName' (0x4A) and its value holds
+       the name of the first member attribute (e.g. "aaa"). The second
+       value holds the first member's attribute value, which can be of
+       any attribute syntax, except 'memberAttrName' or 'endCollection'.
+       If the first member's attribute value is multi-valued, the third
+       value holds the second value of the first member's value.
+       Otherwise, the third value holds the name of second member
+       attribute (e.g. "bbb") and its attribute syntax is
+       'memberAttrName'. In this case, the fourth member's value is the
+       value of "bbb".
+
+       Note that the technique of encoding a 'collection' as a '1setOf'
+       makes it easy for a Printer that doesn't support a particular
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 16]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+       collection attribute (or the collection attribute syntax at all)
+       to simply skip over the entire collection value.
+
+   3.  The end of the collection is indicated with a value tag that MUST
+       be syntax type 'endCollection' (e.g. 0x37) and MAY have a zero
+       name length and a zero value length. In the future, this field
+       MAY contain useful information,such as the collection name that
+       matches the one in the 'begCollection' .
+
+   4.  It is valid to have a member attribute that is, itself, a
+       collection attribute, i.e., collections can be nested within
+       collections.  This is represented by the occurrence of a member
+       attribute that is of attribute syntax type 'begCollection'.  Such
+       a collection  is terminated by a matching 'endCollection'. The
+       name of such a member attribute is in the immediately preceding
+       value whose syntax type is 'memberAttrName'.
+
+   5.  It is valid for a collection attribute to be multi-valued, i.e.,
+       have more than one collection value.  If the next attribute
+       immediately following the 'endCollection' has a zero name length
+       and a tag of 'begCollection', then the collection attribute is a
+       multi-valued collection, as with any attribute. This statement
+       applies to collections within collections and collections that
+       are not in collections.
+
+
+7.2 Example encoding: "media-col" (collection)
+
+   The collection specified in section 5 is used for the encoding
+   example shown in Table 5.  The example also shows nested collections,
+   since the "media-size" member attribute is a 'collection.  The
+   encoding example represents a blue 4x6-index cards and takes 216
+   octets.  The Appendices contains more complex examples.
+
+   Additional examples have been included in the appendices.
+
+   The overall structure of the two collection values can be pictorially
+   represented as:
+
+     "media-col" =
+       {  "media-color" =  'blue';
+          "media-size" =
+          {    "x-dimension" = 6;
+               "y-dimension" = 4
+            }
+       },
+
+   The full encoding is in table 4.  A simplified view of the encoding
+   looks like this:
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 17]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+           Table 4 - Overview Encoding of "media-col" collection
+
+
+
+   Tag Value             Name                  Value
+
+
+   begCollection         media-col             ""
+
+   memberAttrName        ""                    media-color
+
+   keyword               ""                    blue
+
+   memberAttrName        ""                    media-size
+
+   begCollection         ""                    ""
+
+   memberAttrName        ""                    x-dimension
+
+   integer               ""                    6
+
+   memberAttrName        ""                    y-dimension
+
+   integer               ""                    4
+
+   endCollection         ""                    ""
+
+   endCollection         ""                    ""
+
+
+
+
+
+
+           Table 5 - Example Encoding of "media-col" collection
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x34         begCollection   value-tag  beginning of the "media-
+                                           col" collection attribute
+
+   0x0009                       name-      length of (collection)
+                                length     attribute name
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 18]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   media-col    media-col       name       name of (collection)
+                                           attribute
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "media-color"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of "media-color"
+                                length     keyword
+
+   media-color  media-color     value      value is name of 1st
+                                           member attribute
+
+
+   0x44         keyword type    value-tag  keyword type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-
+                                length
+
+   blue         blue            value      value of 1st member
+                                           attribute
+
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "media-size"
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 19]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000A                       value-     length of "media-size"
+                                length     keyword
+
+   media-size   media-size      value      Name of 2nd member
+                                           attribute
+
+
+   0x34         begCollection   value-tag  Beginning of the "media-
+                                           size" collection attribute
+                                           which is a sub-collection
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     collection attribute names
+                                length     have no value
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "x-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of "x-dimension"
+                                length     keyword
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 20]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   x-dimension  x-dimension     value      name of  1st sub-
+                                           collection member
+                                           attribute
+
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0006                       value      value of  1st sub-
+                                           collection member
+                                           attribute
+
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "y-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of the "y-
+                                length     dimension" keyword
+
+   y-dimension  y-dimension     value      name of  2nd sub-
+                                           collection member
+                                           attribute
+
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 21]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0004                       value      value of  2nd sub-
+                                           collection member
+                                           attribute
+
+
+   0x37         endCollection   value-tag  end of the sub-collection
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x37         endCollection   value-tag  end of the 1st collection
+                                           value in 1setOf
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 22]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+8  Legacy issues
+
+   IPP 1.x Printers and Clients will gracefully ignore collections and
+   its member attributes if it does not understand the collection.  The
+   begCollection and endCollection elements each look like an attribute
+   with an attribute syntax that the recipient doesn't support and so
+   should ignore the entire attribute.  The individual member attributes
+   and their values will look like a 1setOf values of the collection
+   attribute, so that the Printer simply ignores the entire attribute
+   and all of its values.  Returning unsupported attributes is also
+   simple, since only the name of the collection attribute is returned
+   with the 'unsupported' out-of-band value (see section 4.2).
+
+
+
+9  IANA Considerations
+
+   This section contains the exact information for IANA to add to the
+   IPP Registries according to the procedures defined in "IPP/1.1 Model
+   and Semantics" document [RFC2911] section 6.
+
+    Note to RFC Editors:  Replace RFC NNNN below with the RFC number for
+    this document, so that it accurately reflects the content of the
+    information for the IANA Registry.
+
+
+9.1 Attribute Syntax Registration
+
+   The attribute syntax defined in this document will be published by
+   IANA according to the procedures in RFC 2911 [RFC2911] section 6.3
+   with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-syntaxes/
+
+   The registry entry will contain the following information:
+
+   Reference:
+   RFC NNNN [this document]
+
+   Attribute Syntaxes:                            Ref.      Section:
+   collection                                     RFC NNNN         3
+
+
+
+
+10 Internationalization Considerations
+
+   This attribute syntax by itself has no impact on
+   internationalization.  However, the member attributes that are
+   subsequently defined for use in a collection may have
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 23]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+   internationalization considerations, as may any attribute, according
+   to [RFC2911].
+
+
+
+11 Security Considerations
+
+   This attribute syntax causes no more security concerns than any other
+   attribute syntax.  It is only the attributes that are subsequently
+   defined to use this or any other attribute syntax that may have
+   security concerns, depending on the semantics of the attribute,
+   according to [RFC2911].
+
+
+
+12 References
+
+   [ipp-ntfy]
+     Isaacson, S., Martin, J., deBry, R., Hastings, T., Shepherd, M.,
+     Bergman, R. " Internet Printing Protocol/1.0 & 1.1:  IPP Event
+     Notification Specification" draft-ietf-ipp-not-spec-02.txt, work in
+     progress, February 2, 2000.
+
+   [RFC2565]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2565, April 1999.
+
+   [RFC2566]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+   [RFC2567]
+     Wright, D., "Design Goals for an Internet Printing Protocol", RFC
+     2567, April 1999.
+
+   [RFC2568]
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", RFC 2568, April 1999.
+
+   [RFC2569]
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", RFC 2569, April 1999.
+
+   [RFC2616]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 24]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Turner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", draft-ietf-ipp-protocol-v11-
+     05.txt, March 1, 2000.
+
+   [RFC2911]
+     Isaacson, S., deBry, R., Hastings, T., Herriot, R., Powell, P.,
+     "Internet Printing Protocol/1.1: Model and Semantics", RFC 2911,
+     September 2000.
+
+
+
+13 Author's Addresses
+
+     Roger deBry
+     Utah Valley State College
+     Orem, UT 84058
+     Phone: (801) 222-8000
+     EMail: debryro@uvsc.edu
+
+     Tom Hastings
+     Xerox Corporation
+     737 Hawaii St.  ESAE 231
+     El Segundo, CA  90245
+     Phone: 310-333-6413
+     Fax: 310-333-5514
+     e-mail: hastings@cp10.es.xerox.com
+
+     Robert Herriot
+     Xerox Corp.
+        3400 Hill View Ave, Building 1
+     Palo Alto, CA 94304
+     Phone: 650-813-7696
+     Fax:  650-813-6860
+     e-mail: robert.herriot@pahv.xerox.com
+
+     Kirk Ocke
+     Xerox Corp.
+     800 Phillips Rd
+     M/S 139-05A
+     Webster, NY 14580
+     Phone: (716) 442-4832
+     EMail: kirk.ocke@usa.xerox.com
+
+     Peter Zehler
+     Xerox Corp.
+     800 Phillips Rd
+     M/S 139-05A
+     Webster, NY 14580
+     Phone: (716) 265-8755
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 25]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+     EMail: peter.zehler@usa.xerox.com
+
+
+14 Appendix A: Encoding Example of a Simple Collection
+
+   The overall structure of the collection value can be pictorially
+   represented as:
+
+     " media-size " =
+       {  "x-dimension" = 6;
+          "y-dimension" = 4
+       }
+
+   A simplified view of the encoding would look like this:
+
+
+             Table 6 - Overview Encoding of simple collection
+
+
+
+   Tag Value             Name                  Value
+
+
+   begCollection         media-size            ""
+
+   memberAttrName        ""                    x-dimension
+
+   integer               ""                    6
+
+   memberAttrName        ""                    y-dimension
+
+   integer               ""                    4
+
+   endCollection         ""                    ""
+
+
+   Note: "" represents a name or value whose length is 0.
+
+
+              Table 7 - Example Encoding of simple collection
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x34         begCollection   value-tag  beginning of the "media-
+                                           size" collection attribute
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 26]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x000A                       name-      length of (collection)
+                                length     attribute name
+
+   media-size   media-size      name       name of (collection)
+                                           attribute
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x4A         memberAttrName  value-tag  starts member attribute:
+                                           "x-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of "x-dimension"
+                                length     keyword
+
+   x-dimension  x-dimension     value      name of  1st collection
+                                           member attribute
+
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0006                       value      value of  1st collection
+                                           member attribute
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 27]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "y-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of the "y-
+                                length     dimension" keyword
+
+   y-dimension  y-dimension     value      name of  2nd collection
+                                           member attribute
+
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf for
+                                length     media-size
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0004                       value      value of  2nd collection
+                                           member attribute
+
+
+   0x37         endCollection   value-tag  end of the collection
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 28]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+                                           no value (since value-
+                                           length was 0)
+
+
+
+
+
+15 Appendix B: Encoding Example of 1setOf Collection
+
+   The overall structure of the collection value can be pictorially
+   represented as:
+
+     "media-size-supported" =
+       {  "x-dimension" = 6;
+          "y-dimension" = 4
+       },
+       {  "x-dimension" = 3;
+          "y-dimension" = 5
+       };
+
+   A simplified view of the encoding would look like this:
+
+
+             Table 8 - Overview Encoding of 1setOf collection
+
+
+
+   Tag Value              Name                 Value
+
+
+   begCollection          media-size-          ""
+                          supported
+
+   memberAttrName         ""                   x-dimension
+
+   integer                ""                   6
+
+   memberAttrName         ""                   y-dimension
+
+   integer                ""                   4
+
+   endCollection          ""                   ""
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 29]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+   begCollection          ""                   ""
+
+   memberAttrName         ""                   x-dimension
+
+   integer                ""                   3
+
+   memberAttrName         ""                   y-dimension
+
+   integer                ""                   5
+
+   endCollection          ""                   ""
+
+
+
+
+              Table 9 - Example Encoding of 1setOf collection
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x34         begCollection   value-tag  beginning of the "media-
+                                           size-supported (1setOf
+                                           collection" attribute
+
+   0x00014                      name-      length of (collection)
+                                length     attribute name
+
+   media-size-  media-size-     name       name of (collection)
+   supported    supported                  attribute
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x4A         memberAttrName  value-tag  starts member attribute:
+                                           "x-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 30]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x000B                       value-     length of "x-dimension"
+                                length     keyword
+
+   x-dimension  x-dimension     value      name of  1st collection
+                                           member attribute
+
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0006                       value      value of  1st collection
+                                           member attribute
+
+   0x4A         memberAttrName  value-tag  starts member attribute:
+                                           "y-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of the "y-
+                                length     dimension" keyword
+
+   y-dimension  y-dimension     value      name of  2nd collection
+                                           member attribute
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 31]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0004                       value      value of  2nd collection
+                                           member attribute
+
+   0x37         endCollection   value-tag  end of the collection
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x34         begCollection   value-tag  beginning of the 2nd
+                                           member of the 1SetOf
+                                           "sizes-avail " collection
+                                           attribute
+
+   0x0000                       name-      Zero length name indicates
+                                length     this is member of previous
+                                           attribute
+
+                                name       no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+   0x4A         memberAttrName  value-tag  starts member attribute:
+                                           "x-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 32]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of "x-dimension"
+                                length     keyword
+
+   x-dimension  x-dimension     value      name of  1st collection
+                                           member attribute
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0003                       value      value of  1st collection
+                                           member attribute
+
+   0x4A         memberAttrName  value-tag  starts member attribute:
+                                           "y-dimension"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x000B                       value-     length of the "y-
+                                length     dimension" keyword
+
+   y-dimension  y-dimension     value      name of  2nd collection
+                                           member attribute
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 33]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0005                       value      value of  2nd collection
+                                           member attribute
+
+   0x37         endCollection   value-tag  end of the 1setOf
+                                           collection value
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+
+
+
+
+16 Appendix C: Encoding Example of Collection containing 1setOf XXX
+   attribute
+
+   The overall structure of the collection value can be pictorially
+   represented as:
+
+     "wagons" =
+       {  "colors" = red, blue;
+          "sizes" = 4, 6, 8
+       }
+
+   A simplified view of the encoding would look like this:
+
+       Table 10 - Overview Encoding of collection with 1setOf value
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 34]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Tag Value                Name                Value
+
+
+   begCollection            wagons              ""
+
+   memberAttrName           ""                  colors
+
+   keyword                  ""                  red
+
+   keyword                  ""                  blue
+
+   memberAttrName           ""                  sizes
+
+   integer                  ""                  4
+
+   integer                  ""                  6
+
+   integer                  ""                  8
+
+   endCollection            ""                  ""
+
+
+
+
+        Table 11 - Example Encoding of collection with 1setOf value
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x34         begCollection   value-tag  beginning of the "wagons"
+                                           collection attribute
+
+   0x0005                       name-      length of (collection)
+                                length     attribute name
+
+   wagons       wagons          name       name of (collection)
+                                           attribute
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 35]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "colors"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0006                       value-     length of "colors" keyword
+                                length
+
+   colors       colosr          value      value is name of 1st
+                                           member attribute
+
+   0x44         keyword type    value-tag  keyword type
+
+   0x0000                       name-      0 indicates 1setOf wagons
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-
+                                length
+
+   blue         blue            value      value of 1st member
+                                           attribute
+
+   0x44         keyword type    value-tag  keyword type
+
+   0x0000                       name-      0 indicates 1setOf wagons
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0003                       value-
+                                length
+
+   red          red             value      value of 1st member
+                                           attribute
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 36]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x4A         memberAttrName  value-tag  starts a new member
+                                           attribute: "sizes"
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0005                       value-     length of "length-avail"
+                                length     keyword
+
+   sizes        sizes           value      Name of 2nd member
+                                           attribute
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf wagons
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0004                       value      1st value for 1SetOf
+                                           integer attribute
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0006                       value      2nd value for 1SetOf
+                                           integer attribute
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 37]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+
+
+   Octets       Symbolic Value  Protocol   comments
+                                field
+
+
+   0x21         integer type    value-tag  attribute type
+
+   0x0000                       name-      0 indicates 1setOf
+                                length
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0004                       value-     length of an integer = 4
+                                length
+
+   0x0008                       value      3rd  value for 1SetOf
+                                           integer attribute
+
+   0x37         endCollection   value-tag  end of the collection
+
+   0x0000                       name-      defined to be 0 for this
+                                length     type, so part of 1setOf
+
+                                           no name (since name-length
+                                           was 0)
+
+   0x0000                       value-     defined to be 0 for this
+                                length     type
+
+                                           no value (since value-
+                                           length was 0)
+
+
+
+
+
+17 Appendix D: Full Copyright Statement
+
+   Copyright (C) The Internet Society (1998,1999,2000,2001). All Rights
+   Reserved
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 38]
+
+
+INTERNET-DRAFT    IPP: The 'collection' attribute syntax    Jan 24, 2001
+
+
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.             Expires:  July 24, 2001              [page 39]
diff --git a/standards/draft-ietf-ipp-finishings-fold-trim-bale-00.txt b/standards/draft-ietf-ipp-finishings-fold-trim-bale-00.txt
new file mode 100644
index 000000000..dd4ac3403
--- /dev/null
+++ b/standards/draft-ietf-ipp-finishings-fold-trim-bale-00.txt
@@ -0,0 +1,585 @@
+INTERNET-DRAFT
+<draft-ietf-ipp-finishings-fold-trim-bale-00.txt>
+                                                             T. Hastings
+                                                       Xerox Corporation
+                                                              D. Fullman
+                                                       Xerox Corporation
+                                                        October 20, 1999
+
+
+Internet Printing Protocol/1.1: "finishings" 'fold', 'trim', and 'bale'
+                       attribute values extension
+
+    Copyright (C) The Internet Society (1999). All Rights Reserved.
+
+
+
+
+Status of this Memo
+
+
+This document is an Internet-Draft and is in full conformance with all
+provisions of Section 10 of [RFC2026].  Internet-Drafts are working
+documents of the Internet Engineering Task Force (IETF), its areas, and
+its working groups.  Note that other groups may also distribute working
+documents as Internet-Drafts.
+
+
+Internet-Drafts are draft documents valid for a maximum of six months
+and may be updated, replaced, or obsoleted by other documents at any
+time.  It is inappropriate to use Internet-Drafts as reference material
+or to cite them other than as "work in progress".
+
+
+The list of current Internet-Drafts can be accessed at
+http://www.ietf.org/ietf/1id-abstracts.txt
+
+
+The list of Internet-Draft Shadow Directories can be accessed as
+http://www.ietf.org/shadow.html.
+
+
+Abstract
+
+
+This document specifies the additional enum values 'fold', 'trim', and
+'bale' for the IPP/1.1 "finishings" Job Template attribute for use with
+the Internet Printing Protocol/1.1 (IPP) [ipp-mod, ipp-pro].  This
+attribute permits the client to specify additional finishing options,
+including values that include a specification of a coordinate system for
+the placement of finishings operation with respect to the corners and
+edges of portrait and landscape documents.
+
+
+
+
+
+
+
+
+
+T. Hastings, D. Fullman                                         [page 1]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+The full set of IPP documents includes:
+
+   Design Goals for an Internet Printing Protocol [RFC2567]
+   Rationale for the Structure and Model and Protocol for the Internet
+        Printing Protocol [RFC2568]
+   Internet Printing Protocol/1.1: Model and Semantics [ipp-mod]
+   Internet Printing Protocol/1.1: Encoding and Transport [ipp-pro]
+   Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+   Mapping between LPD and IPP Protocols [RFC2569]
+
+
+The "Design Goals for an Internet Printing Protocol" document takes a
+broad look at distributed printing functionality, and it enumerates
+real-life scenarios that help to clarify the features that need to be
+included in a printing protocol for the Internet.  It identifies
+requirements for three types of users: end users, operators, and
+administrators.  It calls out a subset of end user requirements that are
+satisfied in IPP/1.0.  A few OPTIONAL operator operations have been
+added to IPP/1.1.
+
+
+The "Rationale for the Structure and Model and Protocol for the Internet
+Printing Protocol" document describes IPP from a high level view,
+defines a roadmap for the various documents that form the suite of IPP
+specification documents, and gives background and rationale for the IETF
+working group's major decisions.
+
+
+The "Internet Printing Protocol/1.1: Encoding and Transport" document is
+a formal mapping of the abstract operations and attributes defined in
+the model document onto HTTP/1.1 [RFC2616].  It defines the encoding
+rules for a new Internet MIME media type called "application/ipp".  This
+document also defines the rules for transporting over HTTP a message
+body whose Content-Type is "application/ipp".  This document defines a
+new scheme named 'ipp' for identifying IPP printers and jobs.
+
+
+The "Internet Printing Protocol/1.1: Implementer's Guide" document gives
+insight and advice to implementers of IPP clients and IPP objects.  It
+is intended to help them understand IPP/1.1 and some of the
+considerations that may assist them in the design of their client and/or
+IPP object implementations.  For example, a typical order of processing
+requests is given, including error checking.  Motivation for some of the
+specification decisions is also included.
+
+
+The "Mapping between LPD and IPP Protocols" document gives some advice
+to implementers of gateways between IPP and LPD (Line Printer Daemon)
+implementations.
+
+
+
+
+
+
+
+
+
+T. Hastings, D. Fullman                                         [page 2]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+
+
+                           TABLE OF CONTENTS
+
+1 Additional values for the "finishings" Job Template attribute......4
+
+ 1.1 Problem.........................................................4
+
+ 1.2 Suggested solution..............................................4
+
+ 1.3 Proposed Text...................................................5
+
+  1.3.1Coordinate system for enum values............................6
+
+2 IANA Considerations................................................7
+
+3 Security Considerations............................................7
+
+4 References.........................................................7
+
+5 Author's Addresses.................................................8
+
+6 Full Copyright Statement...........................................9
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+T. Hastings, D. Fullman                                         [page 3]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+
+
+1  Additional values for the "finishings" Job Template attribute
+
+
+1.1 Problem
+
+
+Need additional enum values for finishing to specify which of four
+corners to put a single staple, which of four edges to put two staples,
+and generic values for the following: fold, trim, bale, saddle stitch
+and edge stitch.
+
+1.2 Suggested solution
+
+
+This solution has been proposed at two previous meetings with comments
+returned and incorporated.  The suggestion is to add additional enum
+values to the "finishings" Job Template attributes (also applies to
+"finishings-default" and "finishings-supported" attributes).
+
+Coordination with the Finisher MIB has been done.  There appears to be
+no direct way to use the same enum values, since the Finisher MIB
+divides up finishing into separate enum values by type.  So all the
+stapling is done as a separate enum.  Also all the punching is done as a
+separate enum.
+
+The coordinate system scheme has been selected to agree with the
+Finisher MIB which in turn follows the ISO DPA approach of using a
+coordinate system as if the document were portrait.  The approach for
+coordinate system being relative to the intended reading direction
+depends on the device being able to understand the orientation embedded
+in the PDL, which is too problematic for many PDLs.  The approach for
+the coordinate system of being relative to the media feed direction is
+to dependent on the way the device is currently set up, i.e., pulling
+short edge first vs. long edge first, and can vary between different
+output-bins in the same device.
+
+Additional (new) keyword symbolic names of these enum values are:
+                                        fold
+                                        trim
+                                        bale
+
+
+Although not a part of this specification, more specific values for
+saddle-stitch and fold could be considered once adequate definitions
+have been developed.  Some examples are:
+
+                                        saddle-stitch-single-long
+                                        saddle-stitch-single-short
+                                        saddle-stitch-dual-long
+                                        saddle-stitch-dual-short
+                                        fold-in-half-long
+                                        fold-in-half-short
+                                        fold-in-thirds-long
+                                        fold-in-thirds-short
+
+T. Hastings, D. Fullman                                         [page 4]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+                                        fold-z-long
+                                        fold-z-short
+
+
+1.3 Proposed Text
+
+
+Add the following paragraphs indicated with revision marks to the
+description of the "finishings" Job Template attribute, section 4.2.6,
+so that the entire section would be:
+
+4.2.6 finishings (1setOf type2 enum)
+
+This attribute identifies the finishing operations that the Printer uses
+for each copy of each printed document in the Job. For Jobs with
+multiple documents, the "multiple-document-handling" attribute
+determines what constitutes a "copy" for purposes of finishing.
+
+
+Standard enum values are:
+
+  Value  Symbolic Name and Description
+
+  '3'    'none':  Perform no finishing
+  '4'    'staple':  Bind the document(s) with one or more staples. The
+               exact number and placement of the staples is site-
+               defined.
+  '5'    'punch':  This value indicates that holes are required in the
+               finished document. The exact number and placement of the
+               holes is site-defined  The punch specification MAY be
+               satisfied (in a site- and implementation-specific manner)
+               either by drilling/punching, or by substituting pre-
+               drilled media.
+  '6'    'cover':  This value is specified when it is desired to select
+               a non-printed (or pre-printed) cover for the document.
+               This does not supplant the specification of a printed
+               cover (on cover stock medium) by the document itself.
+  '7'    'bind':  This value indicates that a binding is to be applied
+               to the document; the type and placement of the binding is
+               site-defined.
+  '8'    'saddle-stitch':  Bind the document(s) with one or more
+               staples (wire stitches) along the middle fold.  The exact
+               number and placement of the staples and the middle fold
+               is implementation and/or site-defined.
+  '9'    'edge-stitch':  Bind the document(s) with one or more staples
+               (wire stitches) along one edge.  The exact number and
+               placement of the staples is implementation and/or site-
+               defined.
+  '10'   'fold':  Fold the document(s) with one or more folds.  The
+               exact number and orientations of the folds is
+               implementation and/or site-defined.
+  '11'   'trim':  Trim the document(s) on one or more edges.  The exact
+               number of edges and the amount to be trimmed is
+               implementation and/or site-defined.
+
+
+
+T. Hastings, D. Fullman                                         [page 5]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+  '12'   'bale':  Bale the document(s).  The type of baling is
+               implementation and/or site-defined.
+  '13'-'19'   reserved for future generic finishing enum values.
+
+The following values are more specific stapling and stitching values;
+they indicate a corner or an edge as if the document were a portrait
+document (see section 1.3.1):
+
+  '20'   'staple-top-left':  Bind the document(s) with one or more
+               staples in the top left corner.
+  '21'   'staple-bottom-left':  Bind the document(s) with one or more
+               staples in the bottom left corner.
+  '22'   'staple-top-right':  Bind the document(s) with one or more
+               staples in the top right corner.
+  '23'   'staple-bottom-right':  Bind the document(s) with one or more
+               staples in the bottom right corner.
+  '24'   'edge-stitch-left':  Bind the document(s) with one or more
+               staples (wire stitches) along the left edge.  The exact
+               number and placement of the staples is implementation
+               and/or site-defined.
+  '25'   'edge-stitch-top':  Bind the document(s) with one or more
+               staples (wire stitches) along the top edge.  The exact
+               number and placement of the staples is implementation
+               and/or site-defined.
+  '26'   'edge-stitch-right':  Bind the document(s) with one or more
+               staples (wire stitches) along the right edge.  The exact
+               number and placement of the staples is implementation
+               and/or site-defined.
+  '27'   'edge-stitch-bottom':  Bind the document(s) with one or more
+               staples (wire stitches) along the bottom edge.  The exact
+               number and placement of the staples is implementation
+               and/or site-defined.
+  '28'   'staple-dual-left':  Bind the document(s) with two staples
+               (wire stitches) along the left edge.
+  '29'   'staple-dual-top':  Bind the document(s) with two staples
+               (wire stitches) along the top edge.
+  '30'   'staple-dual-right':  Bind the document(s) with two staples
+               (wire stitches) along the right edge.
+  '31'   'staple-dual-bottom':  Bind the document(s) with two staples
+               (wire stitches) along the bottom edge.
+  '32'-'79'   reserved for future specific stapling, stitching and
+               folding enum values.
+
+1.1.11.3.1Coordinate system for enum values
+
+The values, for which the symbolic name contains "top", "bottom", "left"
+and "right",  are specified with respect to the document as if the
+document were a portrait document.  If the document is actually a
+landscape or a reverse-landscape document, the client supplies the
+appropriate transformed value.  This applies to values such as 'staple-
+xxx' and 'edge-stitch-xxx'.  For example, to position a staple in the
+upper left hand corner of a landscape document when held for reading,
+the client supplies the 'staple-bottom-left' value (since landscape is
+defined as a +90 degree rotation from portrait, i.e., anti-clockwise).
+On the other hand, to position a staple in the upper left hand corner of
+
+T. Hastings, D. Fullman                                         [page 6]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+a reverse-landscape document when held for reading, the client supplies
+the 'staple-top-right' value (since reverse-landscape is defined as a -
+90 degree rotation from portrait, i.e., clockwise).
+
+
+The angle (vertical, horizontal, angled) of each staple with respect to
+the document depends on the implementation which may in turn depend on
+the value of the attribute.
+
+
+Note: The effect of this attribute on jobs with multiple documents is
+controlled by the "multiple-document-handling" job attribute (section
+4.2.4) and the relationship of this attribute and the other attributes
+that control document processing is described in section 16.3.
+
+
+If the client supplies a value of 'none' along with any other
+combination of values, it is the same as if only that other combination
+of values had been supplied (that is the 'none' value has no effect).
+
+
+2  IANA Considerations
+
+
+These "finishings" type2 enum attribute values will be published by IANA
+according to the procedures in RFC 2566 [rfc2566] section 6.1 with the
+following URL:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-values/finishings/fold-
+     trim-bale.txt
+
+
+3  Internationalization Considerations
+
+
+Normally a client will provide localization of the enum values of this
+attribute to the language of the user.
+
+
+4  Security Considerations
+
+
+This extension poses no additional security threats or burdens than
+those in IPP/1.0 [RFC2566, RFC2565] and IPP/1.1 [ipp-mod, ipp-pro].
+However, implementations MAY support different access control to various
+finishing features, depending on the identity of the job submitting
+user.
+
+
+5  References
+
+
+[ipp-iig]
+     Hastings, T., Manros, C., "Internet Printing Protocol/1.1:  <draft-
+     ietf-ipp-implementers-guide-v11-00.txt>, work in progress,
+     September 27, 1999.
+
+
+
+
+T. Hastings, D. Fullman                                         [page 7]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+[ipp-mod]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.1: Model and Semantics", <draft-ietf-
+     ipp-model-v11-03.txt>, work in progress, June 1999.
+
+
+[ipp-pro]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", <draft-ietf-ipp-protocol-
+     v11-03.txt>, work in progress, June 1999.
+
+
+[RFC2565]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2565, April 1999.
+
+
+[RFC2566]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+
+[RFC2567]
+     Wright, D., "Design Goals for an Internet Printing Protocol", RFC
+     2567, April 1999.
+
+
+[RFC2568]
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", RFC 2568, April 1999.
+
+
+[RFC2569]
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", RFC 2569, April 1999.
+
+
+[RFC2639]
+     Hastings, T., Manros, C., "Internet Printing Protocol/1.0:
+     Implementer's Guide", RFC 2639, July 1999.
+
+
+6  Author's Addresses
+
+     Tom Hastings
+     Xerox Corporation
+     737 Hawaii St.  ESAE 231
+     El Segundo, CA   90245
+
+     Phone: 310-333-6413
+     Fax:   310-333-5514
+     e-mail: hastings@cp10.es.xerox.com
+
+     Don Fullman
+     Xerox Corporation
+     737 Hawaii St.  ESAE 231
+
+
+T. Hastings, D. Fullman                                         [page 8]
+                        Expires April 20, 2000
+
+
+
+INTERNET-DRAFT     IPP/1.0: "finishings" extension     October 20, 1999
+
+
+     El Segundo, CA   90245
+
+     Phone: 310-333-8342
+     Fax:   310-333-5514
+     e-mail: dfullman@cp10.es.xerox.com
+
+7  Full Copyright Statement
+
+
+Copyright (C) The Internet Society (1999). All Rights Reserved.
+
+
+This document and translations of it may be copied and furnished to
+others, and derivative works that comment on or otherwise explain it or
+assist in its implementation may be prepared, copied, published and
+distributed, in whole or in part, without restriction of any kind,
+provided that the above copyright notice and this paragraph are included
+on all such copies and derivative works.  However, this document itself
+may not be modified in any way, such as by removing the copyright notice
+or references to the Internet Society or other Internet organizations,
+except as needed for the  purpose of developing Internet standards in
+which case the procedures for copyrights defined in the Internet
+Standards process must be followed, or as required to translate it into
+languages other than English.
+
+
+The limited permissions granted above are perpetual and will not be
+revoked by the Internet Society or its successors or assigns.
+
+
+This document and the information contained herein is provided on an "AS
+IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK
+FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT
+INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
+FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+T. Hastings, D. Fullman                                         [page 9]
+                        Expires April 20, 2000
diff --git a/standards/draft-ietf-ipp-implementers-guide-v11-02.txt b/standards/draft-ietf-ipp-implementers-guide-v11-02.txt
new file mode 100644
index 000000000..5cf1db457
--- /dev/null
+++ b/standards/draft-ietf-ipp-implementers-guide-v11-02.txt
@@ -0,0 +1,5046 @@
+
+
+
+
+
+
+INTERNET-DRAFT
+draft-ietf-ipp-implementers-guide-v11-02.txt
+[Obsoletes RFC 2639]                                         T. Hastings
+                                                       Xerox Corporation
+                                                               C. Manros
+                                                       Xerox Corporation
+                                                               C. Kugler
+                                                 IBM Printing Systems Co
+                                                                H. Holst
+                                                 i-data Printing Systems
+                                                               P. Zehler
+                                                       Xerox Corporation
+                                                        January 25, 2001
+
+            Internet Printing Protocol/1.1: Implementer's Guide
+
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+Status of this Memo
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 1]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP).  IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies.  This document contains
+   information that supplements the IPP Model and Semantics [RFC2911]
+   and the IPP Transport and Encoding [RFC2910] documents.  It is
+   intended to help implementers understand IPP/1.1, as well as IPP/1.0,
+   and some of the considerations that may assist them in the design of
+   their client and/or IPP object implementations.  For example, a
+   typical order of processing requests is given, including error
+   checking.  Motivation for some of the specification decisions is also
+   included.
+
+   This document obsoletes RFC 2639 which was the Implementer's Guide
+   for IPP/1.0.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 2]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   The full set of IPP documents includes:
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+     Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+     Mapping between LPD and IPP Protocols [RFC2569]
+   The document, "Design Goals for an Internet Printing Protocol", takes
+   a broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  The design goal document calls out a subset of end
+   user requirements that are satisfied in IPP/1.1.  Operator and
+   administrator requirements are out of scope for version 1.1.
+
+   The document, "Rationale for the Structure and Model and Protocol for
+   the Internet Printing Protocol", describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The document, "Internet Printing Protocol/1.1: Model and Semantics",
+   describes a simplified model with abstract objects, their attributes,
+   and their operations.  The model introduces a Printer and a Job.  The
+   Job supports multiple documents per Job.  The model document also
+   addresses how security, internationalization, and directory issues
+   are addressed.
+
+   The document, "Internet Printing Protocol/1.1: Encoding and
+   Transport", is a formal mapping of the abstract operations and
+   attributes defined in the model document onto HTTP/1.1.  It also
+   defines the encoding rules for a new Internet media type called
+   "application/ipp".
+
+   The document, "Mapping between LPD and IPP Protocols", gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 3]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+TABLE OF CONTENTS
+
+   1  Introduction....................................................7
+   1.1   Conformance language.........................................7
+   1.2   Other terminology............................................8
+   1.3   Issues Raised from Interoperability Testing Events...........8
+
+   2  IPP Objects.....................................................8
+
+   3  IPP Operations.................................................10
+   3.1   Common Semantics............................................10
+   3.1.1  Summary of Operation Attributes............................10
+   3.1.2  Suggested Operation Processing Steps for IPP Objects.......16
+   3.1.2.1 Suggested Operation Processing Steps for all Operations ..17
+   3.1.2.1.1   Validate version number...............................18
+   3.1.2.1.2   Validate operation identifier.........................19
+   3.1.2.1.3   Validate the request identifier.......................19
+   3.1.2.1.4   Validate attribute group and attribute presence and order
+           19
+   3.1.2.1.4.1  Validate the presence and order of attribute groups .19
+   3.1.2.1.4.2  Ignore unknown attribute groups in the expected
+   position  20
+   3.1.2.1.4.3  Validate the presence of a single occurrence of
+   required Operation attributes.....................................21
+   3.1.2.1.5   Validate the values of the REQUIRED Operation attributes
+           28
+   3.1.2.1.6   Validate the values of the OPTIONAL Operation attributes
+           32
+   3.1.2.2 Suggested Additional Processing Steps for Operations that
+   Create/Validate Jobs and Add Documents............................35
+   3.1.2.2.1   Default "ipp-attribute-fidelity" if not supplied......35
+   3.1.2.2.2   Check that the Printer object is accepting jobs.......36
+   3.1.2.2.3   Validate the values of the Job Template attributes....36
+   3.1.2.3 Algorithm for job validation .............................37
+   3.1.2.3.1   Check for conflicting Job Template attributes values..43
+   3.1.2.3.2   Decide whether to REJECT the request..................43
+   3.1.2.3.3   For the Validate-Job operation, RETURN one of the success
+   status codes......................................................45
+   3.1.2.3.4   Create the Job object with attributes to support......45
+   3.1.2.3.5   Return one of the success status codes................47
+   3.1.2.3.6   Accept appended Document Content......................48
+   3.1.2.3.7   Scheduling and Starting to Process the Job............48
+   3.1.2.3.8   Completing the Job....................................48
+   3.1.2.3.9   Destroying the Job after completion...................48
+   3.1.2.3.10  Interaction with "ipp-attribute-fidelity".............49
+   3.1.2.3.11  Character set code conversion support.................49
+   3.1.2.3.12  What charset to return when an unsupported charset is
+   requested (Issue 1.19)?...........................................50
+   3.1.2.3.13  Natural Language Override (NLO).......................51
+   3.1.3  Status codes returned by operation.........................53
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 4]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   3.1.3.1 Printer Operations .......................................53
+   3.1.3.1.1   Print-Job.............................................53
+   3.1.3.1.2   Print-URI.............................................55
+   3.1.3.1.3   Validate-Job..........................................56
+   3.1.3.1.4   Create-Job............................................56
+   3.1.3.1.5   Get-Printer-Attributes................................56
+   3.1.3.1.6   Get-Jobs..............................................57
+   3.1.3.1.7   Pause-Printer.........................................58
+   3.1.3.1.8   Resume-Printer........................................59
+   3.1.3.1.8.1  What about Printers unable to change state due to an
+   error condition?..................................................59
+   3.1.3.1.8.2  How is "printer-state" handled on Resume-Printer? ...59
+   3.1.3.1.9   Purge-Printer.........................................60
+   3.1.3.2 Job Operations ...........................................60
+   3.1.3.2.1   Send-Document.........................................60
+   3.1.3.2.2   Send-URI..............................................61
+   3.1.3.2.3   Cancel-Job............................................62
+   3.1.3.2.4   Get-Job-Attributes....................................62
+   3.1.3.2.5   Hold-Job..............................................63
+   3.1.3.2.6   Release-Job...........................................64
+   3.1.3.2.7   Restart-Job...........................................64
+   3.1.3.2.7.1  Can documents be added to a restarted job? ..........65
+   3.1.4  Returning unsupported attributes in Get-Xxxx responses (Issue
+   1.18)  65
+   3.1.5  Sending empty attribute groups.............................65
+   3.2   Printer Operations..........................................66
+   3.2.1  Print-Job operation........................................66
+   3.2.1.1 Flow controlling the data portion of a Print-Job request
+   (Issue 1.22)......................................................66
+   3.2.1.2 Returning job-state in Print-Job response (Issue 1.30) ...66
+   3.2.2  Get-Printer-Attributes operation...........................67
+   3.2.3  Get-Jobs operation.........................................67
+   3.2.3.1 Get-Jobs, my-jobs='true', and 'requesting-user-name' (Issue
+   1.39)?  67
+   3.2.3.2 Why is there a "limit" attribute in the Get-Jobs operation?
+           68
+   3.2.4  Create-Job operation.......................................68
+   3.3   Job Operations..............................................69
+   3.3.1  Validate-Job...............................................69
+   3.3.2  Restart-Job................................................69
+
+   4  Object Attributes..............................................70
+   4.1   Attribute Syntax's..........................................70
+   4.1.1  The 'none' value for empty sets (Issue 1.37)...............70
+   4.1.2  Multi-valued attributes (Issue 1.31).......................70
+   4.1.3  Case Sensitivity in URIs (issue 1.6).......................70
+   4.1.4  Maximum length for xxxWithLanguage and xxxWithoutLanguage..71
+   4.2   Job Template Attributes.....................................72
+   4.2.1  multiple-document-handling(type2 keyword)..................72
+   4.2.1.1 Support of multiple document jobs ........................72
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 5]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   4.3   Job Description Attributes..................................72
+   4.3.1  Getting the date and time of day...........................72
+   4.4   Printer Description Attributes..............................73
+   4.4.1  queued-job-count (integer(0:MAX))..........................73
+   4.4.1.1 Why is "queued-job-count" RECOMMENDED (Issue 1.14)? ......73
+   4.4.1.2 Is "queued-job-count" a good measure of how busy a printer
+   is (Issue 1.15)?..................................................73
+   4.4.2  printer-current-time (dateTime)............................73
+   4.4.3  Printer-uri................................................74
+   4.5   Empty Jobs..................................................74
+
+   5  Directory Considerations.......................................75
+   5.1   General Directory Schema Considerations.....................75
+   5.2   IPP Printer with a DNS name.................................75
+
+   6  Security Considerations........................................75
+   6.1   Querying jobs with IPP that were submitted using other job
+   submission protocols (Issue 1.32).................................75
+
+   7  Encoding and Transport.........................................76
+   7.1   General Headers.............................................78
+   7.2   Request  Headers............................................79
+   7.3   Response Headers............................................81
+   7.4   Entity  Headers.............................................81
+   7.5   Optional support for HTTP/1.0...............................82
+   7.6   HTTP/1.1 Chunking...........................................83
+   7.6.1  Disabling IPP Server Response Chunking.....................83
+   7.6.2  Warning About the Support of Chunked Requests..............83
+
+   8  References.....................................................84
+
+   9  Authors' Address...............................................85
+
+   10 Full Copyright Statement.......................................86
+
+TABLES
+
+   Table 1 - Summary of Printer operation attributes that sender MUST
+      supply ........................................................11
+   Table 2 - Summary of Printer operation attributes that sender MAY
+      supply ........................................................12
+   Table 3 - Summary of Job operation attributes that sender MUST supply
+       ..............................................................13
+   Table 4 - Summary of Job operation attributes that sender MAY supply
+       ..............................................................14
+   Table 5 - Printer operation response attributes...................15
+   Table 6 - Examples of validating IPP version......................18
+   Table 7 - Rules for validating single values X against Z..........38
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 6]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+
+
+
+1  Introduction
+
+   The IPP Implementer's Guide (IIG) (this document) contains
+   information that supplements the IPP Model and Semantics [RFC2911]
+   and the IPP Transport and Encoding [RFC2910] documents.  As such this
+   information is not part of the formal specifications.  Instead
+   information is presented to help implementers understand the
+   specification, including some of the motivation for decisions taken
+   by the committee in developing the specification.  Some of the
+   implementation considerations are intended to help implementers
+   design their client and/or IPP object implementations.  If there are
+   any contradictions between this document and [RFC2911] or [RFC2910],
+   those documents take precedence over this document.
+
+   Platform-specific implementation considerations will be included in
+   this guide as they become known.
+
+   In order to help the reader of the IIG and the IPP Model and
+   Semantics document, the sections in this document parallel the
+   corresponding sections in the Model document and are numbered the
+   same for ease of cross reference.  The sections that correspond to
+   the IPP Transport and Encoding are correspondingly offset.
+
+
+1.1 Conformance language
+
+   Usually, this document does not contain the terminology MUST, MUST
+   NOT, MAY, NEED NOT, SHOULD, SHOULD NOT, REQUIRED, and OPTIONAL.
+   However, when those terms do appear in this document, their intent is
+   to repeat what the [RFC2911] and [RFC2910] documents require and
+   allow, rather than specifying additional conformance requirements.
+   These terms are defined in section 12 on conformance terminology in
+   [RFC2911], most of which is taken from RFC 2119 [RFC2119].
+
+   Implementers should read section 12 (APPENDIX A) in [RFC2911] in
+   order to understand these capitalized words.  The words MUST, MUST
+   NOT, and REQUIRED indicate what implementations are required to
+   support in a client or IPP object in order to be conformant to
+   [RFC2911] and [RFC2910].  MAY, NEED NOT, and OPTIONAL indicate was is
+   merely allowed as an implementer option.  The verbs SHOULD and SHOULD
+   NOT indicate suggested behavior, but which is not required or
+   disallowed, respectively, in order to conform to the specification.
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 7]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+1.2 Other terminology
+
+   This document uses other terms, such as "attributes", "operation",
+   and "Printer" as defined in [RFC2911] section 12.  In addition, the
+   term "sender" refers to the client that sends a request or an IPP
+   object that returns a response.  The term "receiver" refers to the
+   IPP object that receives a request and to a client that receives a
+   response.
+
+
+1.3 Issues Raised from Interoperability Testing Events
+
+   The IPP WG has conducted three open Interoperability Testing Events.
+   The first one was held in September 1998, the second one was held in
+   March 1999, and the third one was held in October 2000.  See the
+   summary reports in:
+
+     ftp://ftp.pwg.org/pub/pwg/ipp/new_TES/
+
+   The issues raised from the first Interoperability Testing Event are
+   numbered 1.n in this document and have been incorporated into
+   "IPP/1.0 Model and Semantics" [RFC2566] and the "IPP/1.0 Encoding and
+   Transport" [RFC2565] documents.  However, some of the discussion is
+   left here in the Implementer's Guide to help understanding.
+
+   The issues raised from the second Interoperability Testing Event are
+   numbered 2.n in this document have been incorporated into "IPP/1.1
+   Model and Semantics" [RFC2911] and the "IPP/1.1 Encoding and
+   Transport" [RFC2910] documents.  However, some of the discussion is
+   left here in the Implementer's Guide to help understanding.
+
+   The issues raised from the third Interoperability Testing Event are
+   numbered 3.n in this document and are described in:
+
+     ftp://ftp.pwg.org/pub/pwg/ipp/Issues/Issues-raised-at-Bake-Off3.pdf
+     ftp://ftp.pwg.org/pub/pwg/ipp/Issues/Issues-raised-at-Bake-Off3.doc
+     ftp://ftp.pwg.org/pub/pwg/ipp/Issues/Issues-raised-at-Bake-Off3.txt
+
+
+2  IPP Objects
+
+   The term "client" in IPP is intended to mean any client that issues
+   IPP operation requests and accepts IPP operation responses, whether
+   it be a desktop or a server.  In other words, the term "client" does
+   not just mean end-user clients, such as those associated with
+   desktops.
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 8]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   The term "IPP Printer" in IPP is intended to mean an object that
+   accepts IPP operation requests and returns IPP operation responses,
+   whether implemented in a server or a device.  An IPP Printer object
+   MAY, if implemented in a server, turn around and forward received
+   jobs (and other requests) to other devices and print
+   servers/services, either using IPP or some other protocol.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                  [page 9]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3  IPP Operations
+
+   This section  corresponds to Section 3 "IPP Operations" in the
+   IPP/1.1 Model and Semantics document [RFC2911].
+
+
+3.1 Common Semantics
+
+   This section discusses semantics common to all operations.
+
+
+3.1.1     Summary of Operation Attributes
+
+   Legend for the following table:
+
+     R indicates a REQUIRED operation that MUST be supported by the IPP
+     object (Printer or Job).  For attributes, R indicates that the
+     attribute MUST be supported by the IPP object supports the
+     associated operation.
+
+     O indicates an OPTIONAL operation or attribute that MAY be
+     supported by the IPP object (Printer or Job).
+
+     + indicates that this is not an IPP/1.0 feature, but is only a part
+     of IPP/1.1 and future versions of IPP.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 10]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+    Table 1 - Summary of Printer operation attributes that sender MUST
+                                  supply
+
+                Printer Operations
+                Requests                                    Response
+                                                            s
+
+  Operation     Print-    Pri  Crea Get-      Get  Pause-   All
+  Attributes    Job,           te-  Printer-  -    Printer  Operatio
+                Validate  URI  Job  Attribut  Job  ,        ns
+                -Job (R)  (O)  (O)  es (R)    s    Resume-
+                                              (R)  Printer
+                                                   ,
+                                                   Purge-
+                          nt-                      Printer
+                                                   (O+)
+
+  Operation parameters--REQUIRED to be supplied by the sender:
+  operation-id  R         R    R    R         R    R
+  status-code                                               R
+  request-id    R         R    R    R         R    R        R
+  version-      R         R    R    R         R    R        R
+  number
+  Operation attributes--REQUIRED to be supplied by the sender:
+  attributes-   R         R    R    R         R    R        R
+  charset
+  attributes-   R         R    R    R         R    R        R
+  natural-
+  language
+  document-uri            R
+  job-id*
+  job-uri*
+  last-
+  document
+  printer-uri   R         R    R    R         R    R
+  Operation attributes--RECOMMENDED to be supplied by the sender:
+  job-name      R         R    R
+  requesting-   R         R    R    R         R    R
+  user-name
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 11]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     Table 2 - Summary of Printer operation attributes that sender MAY
+                                  supply
+
+                     Printer Operations
+                     Requests                                   Respo
+                                                                nses
+
+  Operation          Print-  Prin  Crea  Get-     Get  Pause-   All
+  Attributes         Job,    t-    te-   Printer  -    Printer  Opera
+                     Valida  URI   Job   -        Job  ,        tions
+                     te-Job  (O)   (O)   Attribu  s    Resume-
+                     (R)                 tes (R)  (R)  Printer
+                                                       ,
+                                                       Purge-
+                                                       Printer
+                                                       (O+)
+
+  Operation attributes--OPTIONAL to be supplied by the sender:
+  status-message                                                O
+  detailed-status-                                              O
+  message
+  document-access-                                              O**
+  error
+  compression        O       O
+  document-format    R       R           R
+  document-name      O       O
+  document-natural-  O       O
+  language
+  ipp-attribute-     R       R     R
+  fidelity
+  job-impressions    O       O     O
+  job-k-octets       O       O     O
+  job-media-sheets   O       O     O
+  limit                                           R
+  message
+  my-jobs                                         R
+  requested-                             R        R
+  attributes
+  which-jobs                                      R
+  *  "job-id" is REQUIRED only if used together with "printer-uri"
+  to identify the target job; otherwise, "job-uri" is REQUIRED.
+  **  "document-access-error" applies to the Print-URI response
+  only.
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 12]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+
+   Table 3 - Summary of Job operation attributes that sender MUST supply
+
+                       Job Operations
+                       Requests                              Respons
+                                                             es
+
+  Operation            Send-  Send   Cance Get-              All
+  Attributes           Docume -URI   l-Job Job-     Job,     Operatio
+                       nt     (O)    (R)   Attrib   Release  ns
+                       (O)                 utes     -Job,
+                                           (R)      Restart
+                                                    -Job
+                                                    (O+)
+
+  Operation parameters--REQUIRED to be supplied by the sender:
+  operation-id         R      R      R     R        R
+  status-code                                                R
+  request-id           R      R      R     R        R        R
+  version-number       R      R      R     R        R        R
+  Operation attributes--REQUIRED to be supplied by the sender:
+  attributes-charset   R      R      R     R        R        R
+  attributes-natural-  R      R      R     R        R        R
+  language
+  document-uri                R
+  job-id*              R      R      R     R        R
+  job-uri*             R      R      R     R        R
+  last-document        R      R
+  printer-uri          R      R      R     R        R
+  Operation attributes--RECOMMENDED to be supplied by the sender:
+  job-name
+  requesting-user-     R      R      R     R        R
+  name
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 13]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+   Table 4 - Summary of Job operation attributes that sender MAY supply
+
+                     Job Operations
+                     Requests                                   Respo
+                                                                nses
+
+  Operation          Send-    Sen  Cance          Hold-  Relea  All
+  Attributes         Documen  d-   l-Job  Get-    Job,   se-    Opera
+                     t        URI  (R)    Attrib  Restar Job    tions
+                     (O)      (O)         utes    t-Job  (O+)
+                                          (R)     (O+)
+
+  Operation attributes--OPTIONAL to be supplied by the sender:
+  status-message                                                O
+  detailed-status-                                              O
+  message
+  document-access-                                              O**
+  error
+  compression        O        O
+  document-format    R        R
+  document-name      O        O
+  document-natural-  O        O
+  language
+  ipp-attribute-
+  fidelity
+  job-impressions
+  job-k-octets
+  job-media-sheets
+  limit
+  message                          O              O      O
+  job-hold-until                                  R
+  my-jobs
+  requested-                              R
+  attributes
+  which-jobs
+  *  "job-id" is REQUIRED only if used together with "printer-uri" to
+  identify the target job; otherwise, "job-uri" is REQUIRED.
+  **  "document-access-error" applies to the Send-URI operation only.
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 14]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+
+              Table 5 - Printer operation response attributes
+
+                 Printer Operations
+                 Response
+
+  Operation      Print-    Validat Prin   Create Get-    Get- Pause-
+  Attributes     Job       e-Job   t-     -Job   Printe  Jobs Printer
+                 (R),Send  (R)     URI    (O)    r-      (R)  ,
+                 -                 (O),          Attrib       Resume-
+                 Document          Send          utes         Printer
+                 (O)               -URI          (R)          ,
+                                   (O)                        Purge-
+                                                              Printer
+                                                              (O+)
+
+  job-uri        R                 R      R
+  job-id         R                 R      R
+  job-state      R                 R      R
+  job-state-     R+                R+     R+
+  reasons
+  number-of-     O                 O      O
+  intervening-
+  jobs
+  document-                        O
+  access-error+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 15]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+
+
+3.1.2     Suggested Operation Processing Steps for IPP Objects
+
+   This section suggests the steps and error checks that an IPP object
+   MAY perform when processing requests and returning responses.  An IPP
+   object MAY perform some or all of the error checks.  However, some
+   implementations MAY choose to be more forgiving than the error checks
+   shown here, in order to be able to accept requests from non-
+   conforming clients.  Not performing all of these error checks is a
+   so-called "forgiving" implementation.  On the other hand, clients
+   that successfully submit requests to IPP objects that do perform all
+   the error checks will be more likely to be able to interoperate with
+   other IPP object implementations.  Thus an implementer of an IPP
+   object needs to decide whether to be a "forgiving" or a "strict"
+   implementation.  Therefore, the error status codes returned may
+   differ between implementations.   Consequentially, client SHOULD NOT
+   expect exactly the error code processing described in this section.
+
+   When an IPP object receives a request, the IPP object either accepts
+   or rejects the request. In order to determine whether or not to
+   accept or reject the request, the IPP object SHOULD execute the
+   following steps.  The order of the steps may be rearranged and/or
+   combined, including making one or multiple passes over the request.
+
+   A client MUST supply requests that would pass all of the error checks
+   indicated here in order to be a conforming client.  Therefore, a
+   client SHOULD supply requests that are conforming, in order to avoid
+   being rejected by some IPP object implementations and/or risking
+   different semantics by different implementations of forgiving
+   implementations.  For example, a forgiving implementation that
+   accepts multiple occurrences of the same attribute, rather than
+   rejecting the request might use the first occurrences, while another
+   might use the last occurrence.  Thus such a non-conforming client
+   would get different results from the two forgiving implementations.
+
+   In the following, processing continues step by step until a "RETURNS
+   the xxx status code ..." statement is encountered.  Error returns are
+   indicated by the verb: "REJECTS".  Since clients have difficulty
+   getting the status code before sending all of the document data in a
+   Print-Job request, clients SHOULD use the Validate-Job operation
+   before sending large documents to be printed, in order to validate
+   whether the IPP Printer will accept the job or not.
+
+   It is assumed that security authentication and authorization has
+   already taken place at a lower layer.
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 16]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.1   Suggested Operation Processing Steps for all Operations
+
+   This section is intended to apply to all operations.  The next
+   section contains the additional steps for the Print-Job, Validate-
+   Job, Print-URI, Create-Job, Send-Document, and Send-URI operations
+   that create jobs, adds documents, and validates jobs.
+
+   IIG Sect #         Flow                 IPP error status codes
+   ----------         ----                 ----------------------
+                        |
+                        v          err
+   3.1.2.1.1   <Validate version>  --> server-error-version-not-
+                                       supported
+                      ok|
+                        v          err
+   3.1.2.1.2  <Validate operation> --> server-error-operation-not-
+                                       supported
+                      ok|
+                        v          err
+   3.1.2.1.4.1- <Validate presence> --> client-error-bad-request
+   3.1.2.1.4.2    <of attributes>
+                      ok|
+                        v          err
+   3.1.2.1.4.3 <Validate presence> --> client-error-bad-request
+               <of operation attr>
+                      ok|
+                        v          err
+   3.1.2.1.5  <Valied values of>   --> client-error-bad-request
+               <operation attrs>       client-error-request-value-
+                                       too-long
+             <(length, tag, range,>
+                 <multi-value)>
+                      ok|
+                        v          err
+   3.1.2.1.5    <Validate values>  --> client-error-bad-request
+             <with supported values>   client-error-charset-not-
+                                       supported
+                      ok|              client-error-attributes-or-
+                                       values-
+                        |                           not-supported
+                        v          err
+   3.1.2.1.6 <Validate optionally> --> client-error-bad-request
+                <operation attr>       client-error-natural-language-
+                                       not-supported
+                        |              client-error-request-value-
+                                       too-long
+                        |              client-error-attributes-or-
+                                       values-not-supported
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 17]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.1.1 Validate version number
+
+   Every request and every response contains the "version-number"
+   attribute.  The value of this attribute is the major and minor
+   version number of the syntax and semantics that the client and IPP
+   object is using, respectively.  The "version-number" attribute
+   remains in a fixed position across all future versions so that all
+   clients and IPP object that support future versions can determine
+   which version is being used.  The IPP object checks to see if the
+   major version number supplied in the request is supported.  If not,
+   the Printer object REJECTS the request and RETURNS the 'server-error-
+   version-not-supported' status code in the response.  The IPP object
+   returns in the "version-number" response attribute the major and
+   minor version for the error response.  Thus the client can learn at
+   least one major and minor version that the IPP object supports.  The
+   IPP object is encouraged to return the closest version number to the
+   one supplied by the client.
+
+   The checking of the minor version number is implementation dependent,
+   however if the client supplied minor version is explicitly supported,
+   the IPP object MUST respond using that identical minor version
+   number. If the major version number matches, but the minor version
+   number does not, the Printer SHOULD  accept and attempt to process
+   the request, or MAY reject the request and return the 'server-error-
+   version-not-supported' status code.  In all cases, the Printer MUST
+   return the nearest version number that it supports.   For example,
+   suppose that an IPP/1.2 Printer supports versions '1.1' and '1.2'.
+   The following responses are conforming:
+
+   Table 6 - Examples of validating IPP version
+
+
+
+      Client supplies   Printer Accept Request?   Printer returns
+
+
+      1.0               yes (SHOULD)              1.1
+
+      1.0               no (SHOULD NOT)           1.1
+
+      1.1               yes (MUST)                1.1
+
+      1.2               yes (MUST)                1.2
+
+      1.3               yes (SHOULD)              1.2
+
+      1.3               no (SHOULD NOT)           1.2
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 18]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   It is advantageous for Printers to support both IPP/1.1 and IPP/1.0,
+   so that they can interoperate with either client implementations.
+   Some implementations may allow an Administrator to explicitly disable
+   support for one or the other by setting the "ipp-versions-supported"
+   Printer description attribute.
+
+   Likewise, it is advantageous for clients to support both versions to
+   allow interoperability with new and legacy Printers.
+
+
+3.1.2.1.2 Validate operation identifier
+
+   The Printer object checks to see if the "operation-id" attribute
+   supplied by the client is supported as indicated in the Printer
+   object's "operations-supported" attribute.  If not, the Printer
+   REJECTS the request and returns the 'server-error-operation-not-
+   supported' status code in the response.
+
+
+3.1.2.1.3 Validate the request identifier
+
+   The Printer object SHOULD NOT check to see if the "request-id"
+   attribute supplied by the client is in range: between 1 and 2**31 - 1
+   (inclusive), but copies all 32 bits.
+
+   Note: The "version-number",  "operation-id", and the "request-id"
+   parameters are in fixed octet positions in the IPP/1.1 encoding.  The
+   "version-number" parameter will be the same fixed octet position in
+   all versions of the protocol.  These fields are validated before
+   proceeding with the rest of the validation.
+
+
+3.1.2.1.4 Validate attribute group and attribute presence and order
+
+   The order of the following validation steps depends on
+   implementation.
+
+
+3.1.2.1.4.1 Validate the presence and order of attribute groups
+   Client requests and IPP object responses contain attribute groups
+   that Section 3 requires to be present and in a specified order.  An
+   IPP object verifies that the attribute groups are present and in the
+   correct order in requests supplied by clients (attribute groups
+   without an * in the following tables).
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 19]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   If an IPP object receives a request with (1) required attribute
+   groups missing, or (2) the attributes groups are out of order, or (3)
+   the groups are repeated, the IPP object REJECTS the request and
+   RETURNS the 'client-error-bad-request' status code.  For example, it
+   is an error for the Job Template Attributes group to occur before the
+   Operation Attributes group, for the Operation Attributes group to be
+   omitted, or for an attribute group to occur more than once, except in
+   the Get-Jobs response.
+
+   Since this kind of attribute group error is most likely to be an
+   error detected by a client developer rather than by a customer, the
+   IPP object NEED NOT return an indication of which attribute group was
+   in error in either the Unsupported Attributes group or the Status
+   Message.  Also, the IPP object NEED NOT find all attribute group
+   errors before returning this error.
+
+
+3.1.2.1.4.2 Ignore unknown attribute groups in the expected position
+   Future attribute groups may be added to the specification at the end
+   of requests just before the Document Content and at the end of
+   response, except for the Get-Jobs response, where it maybe there or
+   before the first job attributes returned.  If an IPP object receives
+   an unknown attribute group in these positions, it ignores the entire
+   group, rather than returning an error, since that group may be a new
+   group in a later minor version of the protocol that can be ignored.
+   (If the new attribute group cannot be ignored without confusing the
+   client, the major version number would have been increased in the
+   protocol document and in the request).  If the unknown group occurs
+   in a different position, the IPP object REJECTS the request and
+   RETURNS the 'client-error-bad-request' status code.
+
+   Clients also ignore unknown attribute groups returned in a response.
+
+   Note:  By validating that requests are in the proper form, IPP
+   objects force clients to use the proper form which, in turn,
+   increases the chances that customers will be able to use such clients
+   from multiple vendors with IPP objects from other vendors.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 20]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.1.4.3 Validate the presence of a single occurrence of required
+        Operation attributes
+   Client requests and IPP object responses contain Operation attributes
+   that [RFC2911] Section 3 requires to be present.  Attributes within a
+   group may be in any order, except for the ordering of target,
+   charset, and natural languages attributes.  These attributes MUST be
+   first, and MUST be supplied in the following order: charset, natural
+   language, and then target. An IPP object verifies that the attributes
+   that Section 4 requires to be supplied by the client have been
+   supplied in the request (attributes without an * in the following
+   tables).  An asterisk (*) indicates groups and Operation attributes
+   that the client may omit in a request or an IPP object may omit in a
+   response.
+
+   If an IPP object receives a request with required attributes missing
+   or repeated from a group or in the wrong position, the behavior of
+   the IPP object is IMPLEMENTATION DEPENDENT.  Some of the possible
+   implementations are:
+
+          REJECTS the request and RETURNS the 'client-error-bad-request'
+          status code
+
+          accepts the request and uses the first occurrence of the
+          attribute no matter where it is
+
+          accepts the request and uses the last occurrence of the
+          attribute no matter where it is
+
+          accept the request and assume some default value for the
+          missing attribute
+
+   Therefore, client MUST send conforming requests, if they want to
+   receive the same behavior from all IPP object implementations.  For
+   example, it is an error for the "attributes-charset" or "attributes-
+   natural-language" attribute to be omitted in any operation request,
+   or for an Operation attribute to be supplied in a Job Template group
+   or a Job Template attribute to be supplied in an Operation Attribute
+   group in a create request.  It is also an error to supply the
+   "attributes-charset" attribute twice.
+
+   Since these kinds of attribute errors are most likely to be detected
+   by a client developer rather than by a customer, the IPP object NEED
+   NOT return an indication of which attribute was in error in either
+   the Unsupported Attributes group or the Status Message.  Also, the
+   IPP object NEED NOT find all attribute errors before returning this
+   error.
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 21]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   The following tables list all the attributes for all the operations
+   by attribute group in each request and each response.  The order of
+   the groups is the order that the client supplies the groups as
+   specified in [RFC2911] Section 3.  The order of the attributes within
+   a group is arbitrary, except as noted for some of the special
+   operation attributes (charset, natural language, and target).  The
+   tables below use the following notation:
+
+     R    indicates a REQUIRED attribute or operation that an IPP object
+                 MUST support
+     O    indicates an OPTIONAL attribute or operation that an IPP
+                 object NEED NOT support
+     *    indicates that a client MAY omit the attribute in a request
+                 and that an IPP object MAY omit the attribute in a
+                 response. The absence of an * means that a client MUST
+                 supply the attribute in a request and an IPP object
+                 MUST supply the attribute in a response.
+     +    indicates that this is not a IPP/1.0 operation, but is only a
+                 part of IPP/1.1 and future versions of IPP.
+   
+   Operation Requests
+
+   The tables below show the attributes in their proper attribute groups
+   for operation requests:
+
+   Note: All operation requests contain "version-number", "operation-
+   id", and "request-id" parameters.
+
+    
+
+   Print-Job Request (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          requesting-user-name (R*)
+          job-name (R*)
+          ipp-attribute-fidelity (R*)
+          document-name (R*)
+          document-format (R*)
+          document-natural-language (O*)
+          compression (O*)
+          job-k-octets (O*)
+          job-impressions (O*)
+          job-media-sheets (O*)
+     Group 2: Job Template Attributes (R*)
+          <Job Template attributes> (O*)
+               (see [RFC2911] Section 4.2)
+     Group 3: Document Content (R)
+          <document content>
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 22]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+    
+   Validate-Job Request (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          requesting-user-name (R*)
+          job-name (R*)
+          ipp-attribute-fidelity (R*)
+          document-name (R*)
+          document-format (R*)
+          document-natural-language (O*)
+          compression (O*)
+          job-k-octets (O*)
+          job-impressions (O*)
+          job-media-sheets (O*)
+     Group 2: Job Template Attributes (R*)
+          <Job Template attributes> (O*)
+               (see [RFC2911] Section 4.2)
+    
+   Print-URI Request (O):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          document-uri (R)
+          requesting-user-name (R*)
+          job-name (R*)
+          ipp-attribute-fidelity (R*)
+          document-name (R*)
+          document-format (R*)
+          document-natural-language (O*)
+          compression (O*)
+          job-k-octets (O*)
+          job-impressions (O*)
+          job-media-sheets (O*)
+     Group 2: Job Template Attributes (R*)
+          <Job Template attributes> (O*) (see
+               (see [RFC2911] Section 4.2)
+    
+   Create-Job Request (O):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          requesting-user-name (R*)
+          job-name (R*)
+          ipp-attribute-fidelity (R*)
+          job-k-octets (O*)
+          job-impressions (O*)
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 23]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+          job-media-sheets (O*)
+     Group 2: Job Template Attributes (R*)
+          <Job Template attributes> (O*) (see
+               (see [RFC2911] Section 4.2)
+    
+   Get-Printer-Attributes Request (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          requesting-user-name (R*)
+          requested-attributes (R*)
+          document-format (R*)
+    
+   Get-Jobs Request (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          requesting-user-name (R*)
+          limit (R*)
+          requested-attributes (R*)
+          which-jobs (R*)
+          my-jobs (R*)
+    
+   Send-Document Request (O):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          (printer-uri & job-id) | job-uri (R)
+          last-document (R)
+          requesting-user-name (R*)
+          document-name (R*)
+          document-format (R*)
+          document-natural-language (O*)
+          compression (O*)
+     Group 2: Document Content (R*)
+          <document content>
+    
+   Send-URI Request (O):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          (printer-uri & job-id) | job-uri (R)
+          last-document (R)
+          document-uri (R)
+          requesting-user-name (R*)
+          document-name (R*)
+          document-format (R*)
+          document-natural-language (O*)
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 24]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+          compression (O*)
+    
+   Cancel-Job Request (R):
+   Release-Job Request (O+):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          (printer-uri & job-id) | job-uri (R)
+          requesting-user-name (R*)
+          message (O*)
+    
+   Get-Job-Attributes Request (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          (printer-uri & job-id) | job-uri (R)
+          requesting-user-name (R*)
+          requested-attributes (R*)
+    
+   Pause-Printer Request (O+):
+   Resume-Printer Request (O+):
+   Purge-Printer Request (O+):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          printer-uri (R)
+          requesting-user-name (R*)
+    
+   Hold-Job Request (O+):
+   Restart-Job Request (O+):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          (printer-uri & job-id) | job-uri (R)
+          requesting-user-name (R*)
+          job-hold-until (R*)
+          message (O*)
+    
+   Operation Responses
+
+   The tables below show the response attributes in their proper
+   attribute groups for responses.
+
+   Note: All operation responses contain "version-number", "status-
+   code", and "request-id" parameters.
+
+    
+   Print-Job Response (R):
+   Create-Job Response (O):
+   Send-Document Response (O):
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 25]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          status-message (O*)
+          detailed-status-message (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 3)
+          <unsupported attributes> (R*)
+     Group 3: Job Object Attributes(R*) (see Note 2)
+          job-uri (R)
+          job-id (R)
+          job-state (R)
+          job-state-reasons (O* | R+)
+          job-state-message (O*)
+          number-of-intervening-jobs (O*)
+    
+   Validate-Job Response (R):
+   Cancel-Job Response (R):
+   Hold-Job Response (O+):
+   Release-Job Response (O+):
+   Restart-Job Response (O+):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          status-message (O*)
+          detailed-status-message (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 3)
+          <unsupported attributes> (R*)
+    
+   Print-URI Response (O):
+   Send-URI Response (O):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          status-message (O*)
+          detailed-status-message (O*)
+          document-access-error (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 3)
+          <unsupported attributes> (R*)
+     Group 3: Job Object Attributes(R*) (see Note 2)
+          job-uri (R)
+          job-id (R)
+          job-state (R)
+          job-state-reasons (O* | R+)
+          job-state-message (O*)
+          number-of-intervening-jobs (O*)
+    
+   Get-Printer-Attributes Response (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 26]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+          status-message (O*)
+          detailed-status-message (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 4)
+          <unsupported attributes> (R*)
+     Group 3: Printer Object Attributes(R*) (see Note 2)
+          <requested attributes> (R*)
+    
+   Get-Jobs Response (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          status-message (O*)
+          detailed-status-message (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 4)
+          <unsupported attributes> (R*)
+     Group 3: Job Object Attributes(R*) (see Note 2, 5)
+          <requested attributes> (R*)
+    
+   Get-Job-Attributes Response (R):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          status-message (O*)
+          detailed-status-message (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 4)
+          <unsupported attributes> (R*)
+     Group 3: Job Object Attributes(R*) (see Note 2)
+          <requested attributes> (R*)
+    
+   Pause-Printer Response (O+):
+   Resume-Printer Response (O+):
+   Purge-Printer Response (O+):
+     Group 1: Operation Attributes (R)
+          attributes-charset (R)
+          attributes-natural-language (R)
+          status-message (O*)
+          detailed-status-message (O*)
+     Group 2: Unsupported Attributes (R*) (see Note 4)
+          <unsupported attributes> (R*)
+    
+   Note 2 - the Job Object Attributes and Printer Object Attributes are
+   returned only if the IPP object returns one of the success status
+   codes.
+
+   Note 3 - the Unsupported Attributes Group is present only if the
+   client included some Operation and/or Job Template attributes or
+   values that the Printer doesn't support whether a success or an error
+   return.
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 27]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Note 4 - the Unsupported Attributes Group is present only if the
+   client included some Operation attributes that the Printer doesn't
+   support whether a success or an error return.
+
+   Note 5:  for the Get-Jobs operation the response contains a separate
+   Job Object Attributes group 3 to N containing requested-attributes
+   for each job object in the response.
+
+
+3.1.2.1.5 Validate the values of the REQUIRED Operation attributes
+
+   An IPP object validates the values supplied by the client of the
+   REQUIRED Operation attribute that the IPP object MUST support.  The
+   next section specifies the validation of the values of the OPTIONAL
+   Operation attributes that IPP objects MAY support.
+
+   The IPP object performs the following syntactic validation checks of
+   each Operation attribute value:
+
+     a)     that the length of each Operation attribute value is
+     correct for the attribute syntax tag supplied by the client
+     according to [RFC2911] Section 4.1,
+
+     b)     that the attribute syntax tag is correct for that Operation
+     attribute according to [RFC2911] Section 3,
+
+     c)     that the value is in the range specified for that Operation
+     attribute according to [RFC2911] Section 3,
+
+     d)     that multiple values are supplied by the client only for
+     operation attributes that are multi-valued, i.e., that are 1setOf
+     X according to [RFC2911] Section 3.
+
+
+
+   If any of these checks fail, the IPP object REJECTS the request and
+   RETURNS the 'client-error-bad-request' or the 'client-error-request-
+   value-too-long' status code.  Since such an error is most likely to
+   be an error detected by a client developer, rather than by an end-
+   user, the IPP object NEED NOT return an indication of which attribute
+   had the error in either the Unsupported Attributes Group or the
+   Status Message.  The description for each of these syntactic checks
+   is explicitly expressed in the first IF statement in the following
+   table.
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 28]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   In addition, the IPP object checks each Operation attribute value
+   against some Printer object attribute or some hard-coded value if
+   there is no "xxx-supported" Printer object attribute defined. If its
+   value is not among those supported or is not in the range supported,
+   then the IPP object REJECTS the request and RETURNS the error status
+   code indicated in the table by the second IF statement.  If the value
+   of the Printer object's "xxx-supported" attribute is 'no-value'
+   (because the system administrator hasn't configured a value), the
+   check always fails.
+
+   -----------------------------------------------
+
+   attributes-charset (charset)
+
+        IF NOT a single non-empty 'charset' value, REJECT/RETURN
+             'client-error-bad-request'.
+        IF the value length is greater than 63 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        IF NOT in the Printer object's "charset-supported" attribute,
+             REJECT/RETURN "client-error-charset-not-supported".
+
+   attributes-natural-language(naturalLanguage)
+
+        IF NOT a single non-empty 'naturalLanguage' value, REJECT/RETURN
+             'client-error-bad-request'.
+        IF the value length is greater than 63 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        ACCEPT the request even if not a member of the set in the
+             Printer object's "generated-natural-language-supported"
+             attribute.  If the supplied value is not a member of the
+             Printer object's "generated-natural-language-supported"
+             attribute, use the Printer object's "natural-language-
+             configured" value.
+
+   requesting-user-name
+
+        IF NOT a single 'name' value, REJECT/RETURN 'client-error-bad-
+             request'.
+        IF the value length is greater than 255 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        IF the IPP object can obtain a better-authenticated name, use it
+             instead.
+
+   job-name(name)
+
+        IF NOT a single 'name' value, REJECT/RETURN 'client-error-bad-
+             request'.
+        IF the value length is greater than 255 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 29]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+        IF NOT supplied by the client, the Printer object creates a name
+             from the document-name or document-uri.
+
+   document-name (name)
+
+        IF NOT a single 'name' value, REJECT/RETURN 'client-error-bad-
+             request'.
+        IF the value length is greater than 255 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+
+   ipp-attribute-fidelity (boolean)
+
+        IF NEITHER a single 'true' NOR a single 'false' 'boolean' value,
+             REJECT/RETURN 'client-error-bad-request'.
+        IF the value length is NOT equal to 1 octet, REJECT/RETURN
+             'client-error-request-value-too-long'
+        IF NOT supplied by the client, the IPP object assumes the value
+             'false'.
+
+   document-format (mimeMediaType)
+
+        IF NOT a single non-empty 'mimeMediaType' value, REJECT/RETURN
+             'client-error-bad-request'.
+        IF the value length is greater than 255 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        IF NOT in the Printer object's "document-format-supported"
+             attribute, REJECT/RETURN 'client-error-document-format-not-
+             supported'
+        IF NOT supplied by the client, the IPP object assumes the value
+             of the Printer object's "document-format-default"
+             attribute.
+
+   document-uri (uri)
+
+        IF NOT a single non-empty 'uri' value, REJECT/RETURN 'client-
+             error-bad-request'.
+        IF the value length is greater than 1023 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        IF the URI syntax is not valid, REJECT/RETURN 'client-error-bad-
+             request'.
+        If the client-supplied URI scheme is not supported, i.e. the
+             value is not in the Printer object's referenced-uri-scheme-
+             supported" attribute, the Printer object MUST reject the
+             request and return the 'client-error-uri-scheme-not-
+             supported' status code. The Printer object MAY check to see
+             if the document exists and is accessible.  If the document
+             is not found or is not accessible, REJECT/RETURN 'client-
+             error-not found'.
+        last-document (boolean)
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 30]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+        IF NEITHER a single 'true' NOR a single 'false' 'boolean' value,
+             REJECT/RETURN 'client-error-bad-request'.
+        IF the value length is NOT equal to 1 octet, REJECT/RETURN
+             'client-error-request-value-too-long'
+
+   job-id (integer(1:MAX))
+
+        IF NOT an single 'integer' value equal to 4 octets AND in the
+             range 1 to MAX, REJECT/RETURN 'client-error-bad-request'.
+        IF NOT a job-id of an existing Job object, REJECT/RETURN
+             'client-error-not-found' or 'client-error-gone' status
+             code, if keep track of recently deleted jobs.
+
+   requested-attributes (1setOf keyword)
+
+        IF NOT one or more 'keyword' values, REJECT/RETURN 'client-
+             error-bad-request'.
+        IF the value length is greater than 255 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        Ignore unsupported values, which are the keyword names of
+             unsupported attributes.  Don't bother to copy such
+             requested (unsupported) attributes to the Unsupported
+             Attribute response group since the response will not return
+             them.
+
+   which-jobs (type2 keyword)
+
+        IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-
+             bad-request'.
+        IF the value length is greater than 255 octets, REJECT/RETURN
+             'client-error-request-value-too-long'.
+        IF NEITHER 'completed' NOR 'not-completed', copy the attribute
+             and the unsupported value to the Unsupported Attributes
+             response group and REJECT/RETURN 'client-error-attributes-
+             or-values-not-supported'.
+        Note: a Printer still supports the 'completed' value even if it
+             keeps no completed/canceled/aborted jobs:  by returning no
+             jobs when so queried.
+        IF NOT supplied by the client, the IPP object assumes the 'not-
+             completed' value.
+
+   my-jobs (boolean)
+
+        IF NEITHER a single 'true' NOR a single 'false' 'boolean' value,
+             REJECT/RETURN 'client-error-bad-request'.
+        IF the value length is NOT equal to 1 octet, REJECT/RETURN
+             'client-error-request-value-too-long'
+        IF NOT supplied by the client, the IPP object assumes the
+             'false' value.
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 31]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   limit (integer(1:MAX))
+
+        IF NOT a single 'integer' value equal to 4 octets AND in the
+             range 1 to MAX, REJECT/RETURN 'client-error-bad-request'.
+        IF NOT supplied by the client, the IPP object returns all jobs,
+             no matter how many.
+
+   -----------------------------------------------
+
+      
+
+3.1.2.1.6 Validate the values of the OPTIONAL Operation attributes
+
+   OPTIONAL Operation attributes are those that an IPP object MAY
+   support.  An IPP object validates the values of the OPTIONAL
+   attributes supplied by the client.  The IPP object performs the same
+   syntactic validation checks for each OPTIONAL attribute value as in
+   Section 3.1.2.1.5.  As in Section 3.1.2.1.5, if any fail, the IPP
+   object REJECTS the request and RETURNS the 'client-error-bad-request'
+   or the 'client-error-request-value-too-long' status code.
+
+   In addition, the IPP object checks each Operation attribute value
+   against some Printer attribute or some hard-coded value if there is
+   no "xxx-supported" Printer attribute defined. If its value is not
+   among those supported or is not in the range supported, then the IPP
+   object REJECTS the request and RETURNS the error status code
+   indicated in the table.  If the value of the Printer object's "xxx-
+   supported" attribute is 'no-value' (because the system administrator
+   hasn't configured a value), the check always fails.
+
+   If the IPP object doesn't recognize/support an attribute, the IPP
+   object treats the attribute as an unknown or unsupported attribute
+   (see the last row in the table below).
+
+   -----------------------------------------------
+
+   document-natural-language (naturalLanguage)
+
+     IF NOT a single non-empty 'naturalLanguage' value, REJECT/RETURN
+          'client-error-bad-request'.
+     IF the value length is greater than 63 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT a value that the Printer object supports in document
+          formats, (no corresponding "xxx-supported" Printer attribute),
+          REJECT/RETURN 'client-error-natural-language-not-supported'.
+
+   compression (type3 keyword)
+
+     IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+          request'.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 32]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     IF the value length is greater than 255 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT in the Printer object's "compression-supported" attribute,
+          copy the attribute and the unsupported value to the
+          Unsupported Attributes response group and REJECT/RETURN
+          'client-error-attributes-or-values-not-supported'.
+     Note to IPP/1.0 implementers:  Support for the "compression"
+          attribute was optional in IPP/1.0 and was changed to REQUIRED
+          in IPP/1.1.  However, an IPP/1.0 object SHOULD at least check
+          for the "compression" attribute being present and reject the
+          create request, if they don't support "compression".  Not
+          checking is a bug, since the data will be unintelligible.
+
+   job-k-octets (integer(0:MAX))
+
+     IF NOT a single 'integer' value equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in the range of the Printer object's "job-k-octets-
+          supported" attribute, copy the attribute and the unsupported
+          value to the Unsupported Attributes response group and
+          REJECT/RETURN 'client-error-attributes-or-values-not-
+          supported'.
+
+   job-impressions (integer(0:MAX))
+
+     IF NOT a single 'integer' value equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in the range of the Printer object's "job-impressions-
+          supported" attribute, copy the attribute and the unsupported
+          value to the Unsupported Attributes response group and
+          REJECT/RETURN 'client-error-attributes-or-values-not-
+          supported'.
+
+   job-media-sheets (integer(0:MAX))
+
+     IF NOT a single 'integer' value equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in the range of the Printer object's "job-media-sheets-
+          supported" attribute, copy the attribute and the unsupported
+          value to the Unsupported Attributes response group and
+          REJECT/RETURN 'client-error-attributes-or-values-not-
+          supported'.
+
+   message (text(127))
+
+     IF NOT a single 'text' value, REJECT/RETURN 'client-error-bad-
+          request'.
+     IF the value length is greater than 127 octets,
+     REJECT/RETURN 'client-error-request-value-too-long'.
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 33]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   unknown or unsupported attribute
+
+     IF the attribute syntax supplied by the client is supported but the
+          length is not legal for that attribute syntax, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     ELSE copy the attribute and value to the Unsupported Attributes
+          response group and change the attribute value to the "out-of-
+          band" 'unsupported' value, but otherwise ignore the attribute.
+
+   Note: Future Operation attributes may be added to the protocol
+   specification that may occur anywhere in the specified group.  When
+   the operation is otherwise successful, the IPP object returns the
+   'successful-ok-ignored-or-substituted-attributes' status code.
+   Ignoring unsupported Operation attributes in all operations is
+   analogous to the handling of unsupported Job Template attributes in
+   the create and Validate-Job operations when the client supplies the
+   "ipp-attribute-fidelity" Operation attribute with the 'false' value.
+   This last rule is so that we can add OPTIONAL Operation attributes to
+   future versions of IPP so that older clients can inter-work with new
+   IPP objects and newer clients can inter-work with older IPP objects.
+   (If the new attribute cannot be ignored without performing
+   unexpectedly, the major version number would have been increased in
+   the protocol document and in the request).  This rule for Operation
+   attributes is independent of the value of the "ipp-attribute-
+   fidelity" attribute.   For example, if an IPP object doesn't support
+   the OPTIONAL "job-k-octets" attribute', the IPP object treats "job-k-
+   octets" as an unknown attribute and only checks the length for the
+   'integer' attribute syntax supplied by the client.  If it is not four
+   octets, the IPP object REJECTS the request and RETURNS the 'client-
+   error-bad-request' status code, else the IPP object copies the
+   attribute to the Unsupported Attribute response group, setting the
+   value to the "out-of-band" 'unsupported' value, but otherwise ignores
+   the attribute.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 34]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.2   Suggested Additional Processing Steps for Operations that
+      Create/Validate Jobs and Add Documents
+
+   This section in combination with the previous section recommends the
+   processing steps for the Print-Job, Validate-Job, Print-URI, Create-
+   Job, Send-Document, and Send-URI operations that IPP objects SHOULD
+   use.  These are the operations that create jobs, validate a Print-Job
+   request, and add documents to a job.
+
+   IIG Sect #         Flow                 IPP error status codes
+   ----------         ----                 ----------------------
+                        |
+                        v             No
+   3.1.2.2.1 <ipp-attribute-fidelity> ------------------+
+                  <supplied?>                           |
+                     Yes|                               |
+                        |  ipp-attribute-fidelity = no  |
+                        |<------------------------------+
+                        v          No
+   3.1.2.2.2       <Printer is>    --> server-error-not-accepting-jobs
+                <accepting jobs?>
+                     Yes|
+                        v          err
+   3.1.2.3    <Validate values of> --> client-error-bad-request
+           <Job template attributes>   client-error-request-value-too-
+                                       long
+            <(length, tag, range,>
+                 <multi-value)>
+                      ok|
+                        v          err
+   3.1.2.3  <Validate values with> --> client-error-bad-request
+             <supported values>        client-error-attributes-or-
+                        |              values-not-supported
+                        v          err
+   3.1.2.3.1   <Any conflicting>   --> client-error-conflicting-
+                                       attributes
+          <Job Template attr values>   client-error-attributes-or-
+                                       values-not-supported
+                        v
+
+3.1.2.2.1 Default "ipp-attribute-fidelity" if not supplied
+
+   The Printer object checks to see if the client supplied an "ipp-
+   attribute-fidelity" Operation attribute.  If the attribute is not
+   supplied by the client, the IPP object assumes that the value is
+   'false'.
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 35]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.2.2 Check that the Printer object is accepting jobs
+
+   If the value of the Printer objects "printer-is-accepting-jobs" is
+   'false', the Printer object REJECTS the request and RETURNS the
+   'server-error-not-accepting-jobs' status code.
+
+
+3.1.2.2.3 Validate the values of the Job Template attributes
+
+   An IPP object validates the values of all Job Template attribute
+   supplied by the client.  The IPP object performs the analogous
+   syntactic validation checks of each Job Template attribute value that
+   it performs for Operation attributes (see Section 3.1.2.1.5.):
+
+     a)     that the length of each value is correct for the attribute
+     syntax tag supplied by the client according to [RFC2911] Section
+     4.1.
+
+     b)     that the attribute syntax tag is correct for that attribute
+     according to [RFC2911] Sections 4.2 to 4.4.
+
+     c)     that multiple values are supplied only for multi-valued
+     attributes, i.e., that are 1setOf  X according to [RFC2911]
+     Sections 4.2 to 4.4.
+
+   As in Section 3.1.2.1.5, if any of these syntactic checks fail, the
+   IPP object REJECTS the request and RETURNS the 'client-error-bad-
+   request' or 'client-error-request-value-too-long' status code as
+   appropriate, independent of the value of the "ipp-attribute-
+   fidelity".  Since such an error is most likely to be an error
+   detected by a client developer, rather than by an end-user, the IPP
+   object NEED NOT return an indication of which attribute had the error
+   in either the Unsupported Attributes Group or the Status Message.
+   The description for each of these syntactic checks is explicitly
+   expressed in the first IF statement in the following table.
+
+   Each Job Template attribute MUST occur no more than once.  If an IPP
+   Printer receives a create request with multiple occurrences of a Job
+   Template attribute, it MAY:
+
+     1.  reject the operation and return the 'client-error-bad-request'
+         error status code
+
+     2.  accept the operation and use the first occurrence of the
+         attribute
+
+     3.  accept the operation and use the last occurrence of the
+         attribute
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 36]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     depending on implementation.  Therefore, clients MUST NOT supply
+     multiple occurrences of the same Job Template attribute in the Job
+     Attributes group in the request.
+
+
+3.1.2.3   Algorithm for job validation
+
+     The process of validating a Job-Template attribute "xxx" against a
+     Printer attribute "xxx-supported" can use the following validation
+     algorithm (see section 3.2.1.2 in [RFC2911]).
+
+     To validate the value U of Job-Template attribute "xxx" against the
+     value V of Printer "xxx-supported", perform the following
+     algorithm:
+
+     1.If U is multi-valued, validate each value X of U by performing
+       the algorithm in Table 7 with each value X. Each validation is
+       separate from the standpoint of returning unsupported values.
+       Example:  If U is "finishings" that the client supplies with
+       'staple', 'bind' values, then X takes on the successive values:
+       'staple', then 'bind'
+
+     2.If V is multi-valued, validate X against each Z of V by
+       performing the algorithm in Table 7 with each value Z.  If a
+       value Z validates, the validation for the attribute value X
+       succeeds. If it fails, the algorithm is applied to the next
+       value Z of V. If there are no more values Z of V, validation
+       fails. Example"  If V is "sides-supported" with values: 'one-
+       sided', 'two-sided-long', and 'two-sided-short', then Z takes on
+       the successive values:  'one-sided', 'two-sided-long', and 'two-
+       sided-short'.  If the client supplies "sides" with 'two-sided-
+       long', the first comparison fails ('one-sided' is not equal to
+       'two-sided-long'), the second comparison succeeds ('two-sided-
+       long' is equal to 'two-sided-long"), and the third comparison
+       ('two-sided-short' with 'two-sided-long') is not even performed.
+
+     3.If both U and V are single-valued, let X be U and Z be V and use
+       the validation rules in Table 7.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 37]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Table 7 - Rules for validating single values X against Z
+
+
+
+   Attribute syntax   attribute syntax validated if:
+   of X               of Z
+
+
+   integer            rangeOfInteger   X is within the range of Z
+
+   uri                uriScheme        the uri scheme in X is equal to
+                                       Z
+
+   any                boolean          the value of Z is TRUE
+
+   any                any              X and Z are of the same type
+                                       and are equal.
+
+
+
+   If the value of the Printer object's "xxx-supported" attribute is
+   'no-value' (because the system administrator hasn't configured a
+   value), the check always fails.  If the check fails, the IPP object
+   copies the attribute to the Unsupported Attributes response group
+   with its unsupported value.  If the attribute contains more than one
+   value, each value is checked and each unsupported value is separately
+   copied, while supported values are not copied.  If an IPP object
+   doesn't recognize/support a Job Template attribute, i.e., there is no
+   corresponding Printer object "xxx-supported" attribute, the IPP
+   object treats the attribute as an unknown or unsupported attribute
+   (see the last row in the table below).
+
+   If some Job Template attributes are supported for some document
+   formats and not for others or the values are different for different
+   document formats, the IPP object SHOULD take that into account in
+   this validation using the value of the "document-format" supplied by
+   the client (or defaulted to the value of the Printer's "document-
+   format-default" attribute, if not supplied by the client).  For
+   example, if "number-up" is supported for the 'text/plain' document
+   format, but not for the 'application/postscript' document format, the
+   check SHOULD (though it NEED NOT) depend on the value of the
+   "document-format" operation attribute.  See "document-format" in
+   [RFC2911] section 3.2.1.1 and 3.2.5.1.
+
+   Note: whether the request is accepted or rejected is determined by
+   the value of the "ipp-attribute-fidelity" attribute in a subsequent
+   step, so that all Job Template attribute supplied are examined and
+   all unsupported attributes and/or values are copied to the
+   Unsupported Attributes response group.
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 38]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   -----------------------------------------------
+
+   job-priority (integer(1:100))
+
+     IF NOT a single 'integer' value with a length equal to 4 octets,
+          REJECT/RETURN 'client-error-bad-request'.
+     IF NOT supplied by the client, use the value of the Printer
+          object's "job-priority-default" attribute at job submission
+          time.
+     IF NOT in the range 1 to 100, inclusive, copy the attribute and the
+          unsupported value to the Unsupported Attributes response
+          group.
+     Map the value to the nearest supported value in the range 1:100 as
+          specified by the number of discrete values indicated by the
+          value of the Printer's "job-priority-supported" attribute.
+          See the formula in [RFC2911] Section 4.2.1.
+
+   job-hold-until (type3 keyword | name)
+
+     IF NOT a single 'keyword' or 'name' value, REJECT/RETURN 'client-
+          error-bad-request'.
+     IF the value length is greater than 255 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT supplied by the client, use the value of the Printer
+          object's "job-hold-until" attribute at job submission time.
+     IF NOT in the Printer object's "job-hold-until-supported"
+          attribute, copy the attribute and the unsupported value to the
+          Unsupported Attributes response group.
+
+   job-sheets (type3 keyword | name)
+
+     IF NOT a single 'keyword' or 'name' value, REJECT/RETURN 'client-
+          error-bad-request'.
+     IF the value length is greater than 255 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT in the Printer object's "job-sheets-supported" attribute,
+          copy the attribute and the unsupported value to the
+          Unsupported Attributes response group.
+
+   multiple-document-handling (type2 keyword)
+
+     IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+          request'.
+     IF the value length is greater than 255 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT in the Printer object's "multiple-document-handling-
+          supported" attribute, copy the attribute and the unsupported
+          value to the Unsupported Attributes response group.
+
+   copies (integer(1:MAX))
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 39]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     IF NOT a single 'integer' value with a length equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in range of the Printer object's "copies-supported"
+          attribute
+     copy the attribute and the unsupported value to the Unsupported
+          Attributes response group.
+
+   finishings (1setOf type2 enum)
+
+     IF NOT an 'enum' value(s) each with a length equal to 4 octets,
+          REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in the Printer object's "finishings-supported" attribute,
+          copy the attribute and the unsupported value(s), but not any
+          supported values, to the Unsupported Attributes response
+          group.
+
+   page-ranges (1setOf  rangeOfInteger(1:MAX))
+
+     IF NOT a 'rangeOfInteger' value(s) each with a length equal to 8
+          octets, REJECT/RETURN 'client-error-bad-request'.
+     IF first value is greater than second value in any range, the
+          ranges are not in ascending order, or ranges overlap,
+          REJECT/RETURN 'client-error-bad-request'.
+     IF the value of the Printer object's "page-ranges-supported"
+          attribute is 'false', copy the attribute to the Unsupported
+          Attributes response group and set the value to the "out-of-
+          band" 'unsupported' value.
+
+   sides (type2 keyword)
+
+     IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+          request'.
+     IF the value length is greater than 255 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT in the Printer object's "sides-supported" attribute, copy
+          the attribute and the unsupported value to the Unsupported
+          Attributes response group.
+
+   number-up (integer(1:MAX))
+
+     IF NOT a single 'integer' value with a length equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT a value or in the range of one of the values of the Printer
+          object's "number-up-supported" attribute, copy the attribute
+          and value to the Unsupported Attribute response group.
+
+   orientation-requested (type2 enum)
+
+     IF NOT a single 'enum' value with a length equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 40]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     IF NOT in the Printer object's "orientation-requested-supported"
+          attribute, copy the attribute and the unsupported value to the
+          Unsupported Attributes response group.
+
+   media (type3 keyword | name)
+
+     IF NOT a single 'keyword' or 'name' value, REJECT/RETURN 'client-
+          error-bad-request'.
+     IF the value length is greater than 255 octets, REJECT/RETURN
+          'client-error-request-value-too-long'.
+     IF NOT in the Printer object's "media-supported" attribute, copy
+          the attribute and the unsupported value to the Unsupported
+          Attributes response group.
+
+   printer-resolution (resolution)
+
+     IF NOT a single 'resolution' value with a length equal to 9 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in the Printer object's "printer-resolution-supported"
+          attribute, copy the attribute and the unsupported value to the
+          Unsupported Attributes response group.
+
+   print-quality (type2 enum)
+
+     IF NOT a single 'enum' value with a length equal to 4 octets,
+     REJECT/RETURN 'client-error-bad-request'.
+     IF NOT in the Printer object's "print-quality-supported" attribute,
+          copy the attribute and the unsupported value to the
+          Unsupported Attributes response group.
+
+   unknown or unsupported attribute (i.e., there is no corresponding
+   Printer object "xxx-supported" attribute)
+
+     IF the attribute syntax supplied by the client is supported but the
+          length is not legal for that attribute syntax,
+     REJECT/RETURN 'client-error-bad-request' if the length of the
+          attribute syntax is fixed or 'client-error-request-value-too-
+          long' if the length of the attribute syntax is variable.
+     ELSE copy the attribute and value to the Unsupported Attributes
+          response group and change the attribute value to the "out-of-
+          band" 'unsupported' value.  Any remaining Job Template
+          Attributes are either unknown or unsupported Job Template
+          attributes and are validated algorithmically according to
+          their attribute syntax for proper length (see below).
+   -----------------------------------------------
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 41]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   If the attribute syntax is supported AND the length check fails, the
+   IPP object REJECTS the request and RETURNS the 'client-error-bad-
+   request' if the length of the attribute syntax is fixed or the
+   'client-error-request-value-too-long' status code if the length of
+   the attribute syntax is variable. Otherwise, the IPP object copies
+   the unsupported Job Template attribute to the Unsupported Attributes
+   response group and changes the attribute value to the "out-of-band"
+   'unsupported' value.  The following table shows the length checks for
+   all attribute syntaxes.  In the following table:  "<=" means less
+   than or equal, "=" means equal to:
+
+     Name              Octet length check for read-write attributes
+     -----------       --------------------------------------------
+     'textWithLanguage     <= 1023 AND 'naturalLanguage'  <= 63
+     'textWithoutLanguage' <= 1023
+     'nameWithLanguage'    <= 255 AND 'naturalLanguage'  <= 63
+     'nameWithoutLanguage' <= 255
+     'keyword'             <= 255
+     'enum'                = 4
+     'uri'                 <= 1023
+     'uriScheme'           <= 63
+     'charset'             <= 63
+     'naturalLanguage'     <= 63
+     'mimeMediaType'       <= 255
+     'octetString'         <= 1023
+     'boolean'             = 1
+     'integer'             = 4
+     'rangeOfInteger'      = 8
+     'dateTime'            = 11
+     'resolution'          = 9
+     '1setOf  X'
+      
+   Note:  It's possible for a Printer to receive a zero length keyword
+   in a request.  Since this is a keyword, its value needs to be
+   compared with the supported values.  Assuming that the printer
+   doesn't have any values in its corresponding "xxx-supported"
+   attribute that are keywords of zero length, the comparison will fail.
+   Then the request will be accepted or rejected depending on the value
+   of "ipp-attributes-fidelity" being 'false' or 'true', respectively.
+   No special handling is required for
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 42]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.3.1 Check for conflicting Job Template attributes values
+
+   Once all the Operation and Job Template attributes have been checked
+   individually, the Printer object SHOULD check for any conflicting
+   values among all the supported values supplied by the client.  For
+   example, a Printer object might be able to staple and to print on
+   transparencies, however due to physical stapling constraints, the
+   Printer object might not be able to staple transparencies. The IPP
+   object copies the supported attributes and their conflicting
+   attribute values to the Unsupported Attributes response group.  The
+   Printer object only copies over those attributes that the Printer
+   object either ignores or substitutes in order to resolve the
+   conflict, and it returns the original values which were supplied by
+   the client.  For example suppose the client supplies "finishings"
+   equals 'staple' and "media" equals 'transparency', but the Printer
+   object does not support stapling transparencies.  If the Printer
+   chooses to ignore the stapling request in order to resolve the
+   conflict, the Printer objects returns "finishings" equal to 'staple'
+   in the Unsupported Attributes response group.  If any attributes are
+   multi-valued, only the conflicting values of the attributes are
+   copied.
+
+   Note: The decisions made to resolve the conflict (if there is a
+   choice) is implementation dependent.
+
+
+3.1.2.3.2 Decide whether to REJECT the request
+
+   If there were any unsupported Job Template attributes or
+   unsupported/conflicting Job Template attribute values and the client
+   supplied the "ipp-attribute-fidelity" attribute with the 'true'
+   value, the Printer object REJECTS the request and return the status
+   code:
+
+     1. 'client-error-conflicting-attributes' status code, if there were
+        any conflicts between attributes supplied by the client.
+     2. 'client-error-attributes-or-values-not-supported' status code,
+        otherwise.
+      
+   Note:  Unsupported Operation attributes or values that are returned
+   do not affect the status returned in this step.  If the unsupported
+   Operation attribute was a serious error, the above already rejected
+   the request in a previous step.  If control gets to this step with
+   unsupported Operation attributes being returned, they are not serious
+   errors.
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 43]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   In general, the final results of Job processing are unknown at Job
+   submission time.  The client has to rely on notifications or polling
+   to find out what happens at Job processing time.  However, there are
+   cases in which some Printers can determine at Job submission time
+   that Job processing is going to fail.  As an optimization, we'd like
+   to have the Printer reject the Job in these cases.
+
+   There are three types of "processing" errors that might be detectable
+   at Job submission time:
+
+   1.  'client-error-document-format-not-supported' :  For the Print-
+   Job, Send-Document, Print-URI, and Send-URI operations, if  all these
+   conditions are true:
+
+     - the Printer supports auto-sensing,
+     - the request "document-format"  operation attribute is
+     'application/octet-stream',
+     - the Printer receives document data before responding,
+     - the Printer auto-senses the document format before responding,
+     - the sensed document format is not supported by the Printer
+   then the  Printer should respond with 'client-error-document-format-
+   not-supported' status.
+
+   2.  'client-error-compression-error':  For the Print-Job, Send-
+   Document, Print-URI, and Send-URI operations, if  all these
+   conditions are true:
+
+     - the client supplies a supported value for the "compression"
+          operation attribute in the request
+     - the Printer receives document data before responding,
+     - the Printer attempts to decompress the document data before
+          responding,
+     - the document data cannot be decompressed using the algorithm
+       specified by the "compression" operation attribute
+   then the Printer should respond with 'client-error-compression-error'
+   status.
+
+   3.  'client-error-document-access-error':  For the Print-URI, and
+   Send-URI operations, if the Printer attempts and fails to pull the
+   referenced document data before responding, it should respond with
+   'client-error-document-access-error' status.
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 44]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Some Printers are not able to detect these errors until Job
+   processing time.  In that case, the errors are recorded in the
+   corresponding job-state and job-state reason attributes.  (There is
+   no standard way for a client to determine whether a Printer can
+   detect these errors at Job submission time.)  For example, if auto-
+   sensing happens AFTER the job is accepted (as opposed to auto-sensing
+   at submit time before returning the response), the implementation
+   aborts the job, puts the job in the 'aborted' state and sets the
+   'unsupported-document-format' value in the job's "job-state-reasons".
+
+   A client should always provide a valid "document-format" operation
+   attribute whenever practical.  In the absence of other information, a
+   client itself may sniff the document data to determine document
+   format.
+
+   Auto sensing at Job submission time may be more difficult for the
+   Printer when combined with compression.  For auto-sensed Jobs, a
+   client may be better off  deferring compression to the transfer
+   protocol layer, e.g.; by using the HTTP Content-Encoding header.
+
+
+3.1.2.3.3 For the Validate-Job operation, RETURN one of the success
+       status codes
+
+   If the requested operation is the Validate-Job operation, the Printer
+   object returns:
+
+     1. the "successful-ok" status code, if there are no unsupported or
+        conflicting Job Template attributes or values.
+     2. the "successful-ok-conflicting-attributes, if there are any
+        conflicting Job Template attribute or values.
+     3. the "successful-ok-ignored-or-substituted-attributes, if there
+        are only unsupported Job Template attributes or values.
+   
+
+   Note:  Unsupported Operation attributes or values that are returned
+   do not affect the status returned in this step.  If the unsupported
+   Operation attribute was a serious error, the above already rejected
+   the request in a previous step.  If control gets to this step with
+   unsupported Operation attributes being returned, they are not serious
+   errors.
+
+
+3.1.2.3.4 Create the Job object with attributes to support
+
+   If "ipp-attribute-fidelity" is set to 'false' (or it was not supplied
+   by the client), the Printer object:
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 45]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     1. creates a Job object, assigns a unique value to the job's "job-
+        uri" and "job-id" attributes, and initializes all of the job's
+        other supported Job Description attributes.
+     2. removes all unsupported attributes from the Job object.
+     3. for each unsupported value, removes either the unsupported value
+        or substitutes the unsupported attribute value with some
+        supported value.  If an attribute has no values after removing
+        unsupported values from it, the attribute is removed from the
+        Job object (so that the normal default behavior at job
+        processing time will take place for that attribute).
+     4. for each conflicting value, removes either the conflicting value
+        or substitutes the conflicting attribute value with some other
+        supported value.  If an attribute has no values after removing
+        conflicting values from it, the attribute is removed from the
+        Job object (so that the normal default behavior at job
+        processing time will take place for that attribute).
+      
+   If there were no attributes or values flagged as unsupported, or the
+   value of 'ipp-attribute-fidelity" was 'false', the Printer object is
+   able to accept the create request and create a new Job object.  If
+   the "ipp-attribute-fidelity" attribute is set to 'true', the Job
+   Template attributes that populate the new Job object are necessarily
+   all the Job Template attributes supplied in the create request.  If
+   the "ipp-attribute-fidelity" attribute is set to 'false', the Job
+   Template attributes that populate the new Job object are all the
+   client supplied Job Template attributes that are supported or that
+   have value substitution.  Thus, some of the requested Job Template
+   attributes will not appear in the Job object because the Printer
+   object did not support those attributes.  The attributes that
+   populate the Job object are persistently stored with the Job object
+   for that Job.  A Get-Job-Attributes operation on that Job object will
+   return only those attributes that are persistently stored with the
+   Job object.
+
+   Note: All Job Template attributes that are persistently stored with
+   the Job object are intended to be "override values"; that is, they
+   that take precedence over whatever other embedded instructions might
+   be in the document data itself.  However, it is not possible for all
+   Printer objects to realize the semantics of "override".  End users
+   may query the Printer's "pdl-override-supported" attribute to
+   determine if the Printer either attempts or does not attempt to
+   override document data instructions with IPP attributes.
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 46]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   There are some cases, where a Printer supports a Job Template
+   attribute and has an associated default value set for that attribute.
+   In the case where a client does not supply the corresponding
+   attribute, the Printer does not use its default values to populate
+   Job attributes when creating the new Job object; only Job Template
+   attributes actually in the create request are used to populate the
+   Job object. The Printer's default values are only used later at Job
+   processing time if no other IPP attribute or instruction embedded in
+   the document data is present.
+
+   Note: If the default values associated with Job Template attributes
+   that the client did not supply were to be used to populate the Job
+   object, then these values would become "override values" rather than
+   defaults. If the Printer supports the 'attempted' value of the "pdl-
+   override-supported" attribute, then these override values could
+   replace values specified within the document data.  This is not the
+   intent of the default value mechanism. A default value for an
+   attribute is used only if the create request did not specify that
+   attribute (or it was ignored when allowed by "ipp-attribute-fidelity"
+   being 'false') and no value was provided within the content of the
+   document data.
+
+   If the client does not supply a value for some Job Template
+   attribute, and the Printer does not support that attribute, as far as
+   IPP is concerned, the result of processing that Job (with respect to
+   the missing attribute) is undefined.
+
+
+3.1.2.3.5 Return one of the success status codes
+
+   Once the Job object has been created, the Printer object accepts the
+   request and returns to the client:
+
+     1. the 'successful-ok' status code, if there are no unsupported or
+        conflicting Job Template attributes or values.
+     2. the 'successful-ok-conflicting-attributes' status code, if there
+        are any conflicting Job Template attribute or values.
+     3. the 'successful-ok-ignored-or-substituted-attributes' status
+        code, if there are only unsupported Job Template attributes or
+        values.
+      
+   Note:  Unsupported Operation attributes or values that are returned
+   do not affect the status returned in this step.  If the unsupported
+   Operation attribute was a serious error, the above already rejected
+   the request in a previous step.  If control gets to this step with
+   unsupported Operation attributes being returned, they are not serious
+   errors.
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 47]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   The Printer object also returns Job status attributes that indicate
+   the initial state of the Job ('pending', 'pending-held',
+   'processing', etc.), etc.  See Print-Job Response, [RFC2911] section
+   3.2.1.2.
+
+
+3.1.2.3.6 Accept appended Document Content
+
+   The Printer object accepts the appended Document Content data and
+   either starts it printing, or spools it for later processing.
+
+
+3.1.2.3.7 Scheduling and Starting to Process the Job
+
+   The Printer object uses its own configuration and implementation
+   specific algorithms for scheduling the Job in the correct processing
+   order.  Once the Printer object begins processing the Job, the
+   Printer changes the Job's state to 'processing'. If the Printer
+   object supports PDL override (the "pdl-override-supported" attribute
+   set to 'attempted'), the implementation does its best to see that IPP
+   attributes take precedence over embedded instructions in the document
+   data.
+
+
+3.1.2.3.8 Completing the Job
+
+   The Printer object continues to process the Job until it can move the
+   Job into the 'completed' state.  If an Cancel-Job operation is
+   received, the implementation eventually moves the Job into the
+   'canceled' state.  If the system encounters errors during processing
+   that do not allow it to progress the Job into a completed state, the
+   implementation halts all processing, cleans up any resources, and
+   moves the Job into the 'aborted' state.
+
+
+3.1.2.3.9 Destroying the Job after completion
+
+   Once the Job moves to the 'completed', 'aborted', or 'canceled'
+   state, it is an implementation decision as to when to destroy the Job
+   object and release all associated resources.  Once the Job has been
+   destroyed, the Printer would return either the "client-error-not-
+   found" or "client-error-gone" status codes for operations directed at
+   that Job.
+
+   Note:  the Printer object SHOULD NOT re-use a "job-uri" or "job-id"
+   value for a sufficiently long time after a job has been destroyed, so
+   that stale references kept by clients are less likely to access the
+   wrong (newer) job.
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 48]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.2.3.10     Interaction with "ipp-attribute-fidelity"
+
+   Some Printer object implementations may support "ipp-attribute-
+   fidelity" set to 'true' and "pdl-override-supported" set to
+   'attempted' and yet still not be able to realize exactly what the
+   client specifies in the create request.  This is due to legacy
+   decisions and assumptions that have been made about the role of job
+   instructions embedded within the document data and external job
+   instructions that accompany the document data and how to handle
+   conflicts between such instructions.  The inability to be 100%
+   precise about how a given implementation will behave is also
+   compounded by the fact that the two special attributes, "ipp-
+   attribute-fidelity" and "pdl-"override-supported", apply to the whole
+   job rather than specific values for each attribute. For example, some
+   implementations may be able to override almost all Job Template
+   attributes except for "number-up". Character Sets, natural languages,
+   and internationalization
+
+   This section discusses character set support, natural language
+   support and internationalization.
+
+
+3.1.2.3.11     Character set code conversion support
+
+   IPP clients and IPP objects are REQUIRED to support UTF-8.  They MAY
+   support additional charsets.  It is RECOMMENDED that an IPP object
+   also support US-ASCII, since many clients support US-ASCII, and
+   indicate that UTF-8 and US-ASCII are supported by populating the
+   Printer's "charset-supported" with 'utf-8' and 'us-ascii' values.  An
+   IPP object is required to code covert with as little loss as possible
+   between the charsets that it supports, as indicated in the Printer's
+   "charsets-supported" attribute.
+
+   How should the server handle the situation where the "attributes-
+   charset" of the response itself is "us-ascii", but one or more
+   attributes in that response is in the "utf-8" format?
+
+   Example:  Consider a case where a client sends a Print-Job request
+   with "utf-8" as the value of "attributes-charset" and with the "job-
+   name" attribute supplied.  Later another client submits a Get-Job-
+   Attribute or Get-Jobs request.  This second request contains the
+   "attributes-charset" with value "us-ascii" and "requested-attributes"
+   attribute with exactly one value "job-name".
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 49]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   According to the RFC2911 document (section 3.1.4.2), the value of the
+   "attributes-charset" for the response of the second request must be
+   "us-ascii" since that is the charset specified in the request.  The
+   "job-name" value, however, is in "utf-8" format.  Should the request
+   be rejected even though both "utf-8" and "us-ascii" charsets are
+   supported by the server? or should the "job-name" value be converted
+   to "us-ascii" and return "successful-ok-conflicting-attributes"
+   (0x0002) as the status code?
+
+   Answer:  An IPP object that supports both utf-8 (REQUIRED) and us-
+   ascii, the second paragraph of section 3.1.4.2 applies so that the
+   IPP object MUST accept the request, perform code set conversion
+   between these two charsets with "the highest fidelity possible" and
+   return 'successful-ok', rather than a warning 'successful-ok-
+   conflicting-attributes, or an error.  The printer will do the best it
+   can to convert between each of the character sets that it supports--
+   even if that means providing a string of question marks because none
+   of the characters are representable in US ASCII.  If it can't perform
+   such conversion, it MUST NOT advertise us-ascii as a value of its
+   "attributes-charset-supported" and MUST reject any request that
+   requests 'us-ascii'.
+
+   One IPP object implementation strategy is to convert all request text
+   and name values to a Unicode internal representation.  This is 16-bit
+   and virtually universal.  Then convert to the specified operation
+   attributes-charset on output.
+
+   Also it would be smarter for a client to ask for 'utf-8', rather than
+   'us-ascii' and throw away characters that it doesn't understand,
+   rather than depending on the code conversion of the IPP object.
+
+
+3.1.2.3.12     What charset to return when an unsupported charset is
+       requested (Issue 1.19)?
+
+   Section 3.1.4.1 Request Operation attributes was clarified in
+   November 1998 as follows:
+
+   All clients and IPP objects MUST support the 'utf-8' charset
+   [RFC2044] and MAY support additional charsets provided that they are
+   registered with IANA [IANA-CS].  If the Printer object does not
+   support the client supplied charset value, the Printer object MUST
+   reject the request, set the "attributes-charset" to 'utf-8' in the
+   response, and return the 'client-error-charset-not-supported' status
+   code and any 'text' or 'name' attributes using the 'utf-8' charset.
+
+   Since the client and IPP object MUST support UTF-8, returning any
+   text or name attributes in UTF-8 when the client requests a charset
+   that is not supported should allow the client to display the text or
+   name.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 50]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Since such an error is a client error, rather than a user error, the
+   client should check the status code first so that it can avoid
+   displaying any other returned 'text' and 'name' attributes that are
+   not in the charset requested.
+
+   Furthermore, [RFC2911] section 14.1.4.14 client-error-charset-not-
+   supported (0x040D) was clarified in November 1998 as follows:
+
+   For any operation, if the IPP Printer does not support the charset
+   supplied by the client in the "attributes-charset" operation
+   attribute, the Printer MUST reject the operation and return this
+   status and any 'text' or 'name' attributes using the 'utf-8' charset
+   (see Section 3.1.4.1).
+
+
+3.1.2.3.13     Natural Language Override (NLO)
+
+   The 'text' and 'name' attributes each have two forms.  One has an
+   implicit natural language, and the other has an explicit natural
+   language.  The 'textWithoutLanguage' and 'textWithLanguage' are the
+   two 'text' forms.  The 'nameWithoutLanguage" and 'nameWithLanguage
+   are the two 'name' forms.  If a receiver (IPP object or IPP client)
+   supports an attribute with attribute syntax 'text', it MUST support
+   both forms in a request and a response.  A sender (IPP client or IPP
+   object) MAY send either form for any such attribute.  When a sender
+   sends a WithoutLanguage form, the implicit natural language is
+   specified in the "attributes-natural-language" operation attribute,
+   which all senders MUST include in every request and response.
+
+   When a sender sends a WithLanguage form, it MAY be different from the
+   implicit natural language supplied by the sender or it MAY be the
+   same.  The receiver MUST treat either form equivalently.
+
+   There is an implementation decision for senders, whether to always
+   send the WithLanguage forms or use the WithoutLanguage form when the
+   attribute's natural language is the same as the request or response.
+   The former approach makes the sender implementation simpler.  The
+   latter approach is more efficient on the wire and allows inter-
+   working with non-conforming receivers that fail to support the
+   WithLanguage forms.  As each approach have advantages, the choice is
+   completely up to the implementer of the sender.
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 51]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Furthermore, when a client receives a 'text' or 'name' job attribute
+   that it had previously supplied, that client MUST NOT expect to see
+   the attribute in the same form, i.e., in the same WithoutLanguage or
+   WithLanguage form as the client supplied when it created the job.
+   The IPP object is free to transform the attribute from the
+   WithLanguage form to the WithoutLanguage form and vice versa, as long
+   as the natural language is preserved.  However, in order to meet this
+   latter requirement, it is usually simpler for the IPP object
+   implementation to store the natural language explicitly with the
+   attribute value, i.e., to store using an internal representation that
+   resembles the WithLanguage form.
+
+   The IPP Printer MUST copy the natural language of a job, i.e., the
+   value of the "attributes-natural-language" operation attribute
+   supplied by the client in the create operation, to the Job object as
+   a Job Description attribute, so that a client is able to query it.
+   In returning a Get-Job-Attributes response, the IPP object MAY return
+   one of three natural language values in the response's "attributes-
+   natural-language" operation attribute: (1) that requested by the
+   requester, (2) the natural language of the job, or (3) the configured
+   natural language of the IPP Printer, if the requested language is not
+   supported by the IPP Printer.
+
+   This "attributes-natural-language" Job Description attribute is
+   useful for an IPP object implementation that prints start sheets in
+   the language of the user who submitted the job.  This same Job
+   Description attribute is useful to a multi-lingual operator who has
+   to communicate with different job submitters in different natural
+   languages.  This same Job Description attribute is expected to be
+   used in the future to generate notification messages in the natural
+   language of the job submitter.
+
+   Early drafts of [RFC2911] contained a job-level natural language
+   override (NLO) for the Get-Jobs response.  A job-level (NLO) is an
+   (unrequested) Job Attribute which then specified the implicit natural
+   language for any other WithoutLanguage job attributes returned in the
+   response for that job.  Interoperability testing of early
+   implementations showed that no one was implementing the job-level NLO
+   in Get-Job responses.  So the job-level NLO was eliminated from the
+   Get-Jobs response.  This simplification makes all requests and
+   responses consistent in that the implicit natural language for any
+   WithoutLanguage 'text' or 'name' form is always supplied in the
+   request's or response's "attributes-natural-language" operation
+   attribute.
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 52]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.3     Status codes returned by operation
+
+   This section corresponds to [RFC2911] section 3.1.6 "Operation
+   Response Status Codes and Status Messages".  This section lists all
+   status codes once in the first operation (Print-Job).  Then it lists
+   the status codes that are different or specialized for subsequent
+   operations under each operation.
+
+
+3.1.3.1   Printer Operations
+
+
+3.1.3.1.1 Print-Job
+
+   The Printer object MUST return one of the following "status-code"
+   values for the indicated reason.  Whether all of the document data
+   has been accepted or not before returning the success or error
+   response depends on implementation.  See Section 13 in [RFC2911] for
+   a more complete description of each status code.
+
+   For the following success status codes, the Job object has been
+   created and the "job-id", and "job-uri" assigned and returned in the
+   response:
+
+     successful-ok:  no request attributes were substituted or ignored.
+     successful-ok-ignored-or-substituted-attributes:  some supplied (1)
+       attributes were ignored or (2) unsupported attribute syntaxes or
+       values were substituted with supported values or were ignored.
+       Unsupported attributes, attribute syntax's, or values MUST be
+       returned in the Unsupported Attributes group of the response.
+     successful-ok-conflicting-attributes:  some supplied attribute
+       values conflicted with the values of other supplied attributes
+       and were either substituted or ignored.  Attributes or values
+       which conflict with other attributes and have been substituted
+       or ignored MUST be returned in the Unsupported Attributes group
+       of the response as supplied by the client.
+        
+   [RFC2911] section 3.1.6 Operation Status Codes and Messages states:
+
+     If the Printer object supports the "status-message" operation
+     attribute, it SHOULD use the REQUIRED 'utf-8' charset to return a
+     status message for the following error status codes (see section 13
+     in [RFC2911]):  'client-error-bad-request', 'client-error-charset-
+     not-supported', 'server-error-internal-error', 'server-error-
+     operation-not-supported', and 'server-error-version-not-supported'.
+     In this case, it MUST set the value of the "attributes-charset"
+     operation attribute to 'utf-8' in the error response.
+
+     For the following error status codes, no job is created and no
+     "job-id" or "job-uri" is returned:
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 53]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+       client-error-bad-request:  The request syntax does not conform
+          to the specification.
+       client-error-forbidden:  The request is being refused for
+          authorization or authentication reasons.  The implementation
+          security policy is to not reveal whether the failure is one of
+          authentication or authorization.
+       client-error-not-authenticated:  Either the request requires
+          authentication information to be supplied or the
+          authentication information is not sufficient for
+          authorization.
+       client-error-not-authorized:  The requester is not authorized to
+          perform the request on the target object.
+       client-error-not-possible:  The request cannot be carried out
+          because of the state of the system.  See also 'server-error-
+          not-accepting-jobs' status code, which MUST take precedence if
+          the Printer object's "printer-accepting-jobs" attribute is
+          'false'.
+       client-error-timeout:  not applicable.
+       client-error-not-found:  the target object does not exist.
+       client-error-gone:  the target object no longer exists and no
+          forwarding address is known.
+       client-error-request-entity-too-large:  the size of the request
+          and/or print data exceeds the capacity of the IPP Printer to
+          process it.
+       client-error-request-value-too-long:  the size of request
+          variable length attribute values, such as 'text' and 'name'
+          attribute syntax's, exceed the maximum length specified in
+          [RFC2911] for the attribute and MUST be returned in the
+          Unsupported Attributes Group.
+       client-error-document-format-not-supported:  the document format
+          supplied is not supported.  The "document-format" attribute
+          with the unsupported value MUST be returned in the Unsupported
+          Attributes Group.  This error SHOULD take precedence over any
+          other 'xxx-not-supported' error, except 'client-error-charset-
+          not-supported'.
+       client-error-attributes-or-values-not-supported:  one or more
+          supplied attributes, attribute syntax's, or values are not
+          supported and the client supplied the "ipp-attributes-
+          fidelity" operation attribute with a 'true' value.  They MUST
+          be returned in the Unsupported Attributes Group as explained
+          below.
+       client-error-uri-scheme-not-supported:  not applicable.
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 54]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+       client-error-charset-not-supported:  the charset supplied in the
+          "attributes-charset" operation attribute is not supported.
+          The Printer's "configured-charset" MUST be returned in the
+          response as the value of the "attributes-charset" operation
+          attribute and used for any 'text' and 'name' attributes
+          returned in the error response.  This error SHOULD take
+          precedence over any other error, unless the request syntax is
+          so bad that the client's supplied "attributes-charset" cannot
+          be determined.
+       client-error-conflicting-attributes:  one or more supplied
+          attribute values conflicted with each other and the client
+          supplied the "ipp-attributes-fidelity" operation attribute
+          with a 'true' value.  They MUST be returned in the Unsupported
+          Attributes Group as explained below.
+       server-error-internal-error:  an unexpected condition prevents
+          the request from being fulfilled.
+       server-error-operation-not-supported:  not applicable (since
+          Print-Job is REQUIRED).
+       server-error-service-unavailable:  the service is temporarily
+          overloaded.
+       server-error-version-not-supported:  the version in the request
+          is not supported.  The "closest" version number supported MUST
+          be returned in the response.
+       server-error-device-error:  a device error occurred while
+          receiving or spooling the request or document data or the IPP
+          Printer object can only accept one job at a time.
+       server-error-temporary-error:  a temporary error such as a
+          buffer full write error, a memory overflow, or a disk full
+          condition occurred while receiving the request and/or the
+          document data.
+       server-error-not-accepting-jobs:  the Printer object's "printer-
+          is-not-accepting-jobs" attribute is 'false'.
+       server-error-busy:  the Printer is too busy processing jobs to
+          accept another job at this time.
+       server-error-job-canceled:  the job has been canceled by an
+          operator or the system while the client was transmitting the
+          document data.
+
+3.1.3.1.2 Print-URI
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Print-URI with the following
+   specializations and differences.  See Section 14 for a more complete
+   description of each status code.
+
+     client-error-uri-scheme-not-supported:  the URI scheme supplied in
+       the "document-uri" operation attribute is not supported and is
+       returned in the Unsupported Attributes group.
+     server-error-operation-not-supported: the Print-URI operation is
+       not supported.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 55]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   
+
+3.1.3.1.3 Validate-Job
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Validate-Job.  See Section 13 in
+   [RFC2911] for a more complete description of each status code.
+
+
+3.1.3.1.4 Create-Job
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Create-Job with the following
+   specializations and differences.  See Section 13 in [RFC2911] for a
+   more complete description of each status code.
+
+     server-error-operation-not-supported:  the Create-Job operation is
+       not supported.
+     client-error-multiple-document-jobs-not-supported: while the
+       Create-Job and Send-Document operations are supported, this
+       implementation doesn't support more than one document with data.
+
+3.1.3.1.5 Get-Printer-Attributes
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to the Get-Printer-Attributes
+   operation with the following specialization's and differences.   See
+   Section 13 in [RFC2911] for a more complete description of each
+   status code.
+
+   For the following success status codes, the requested attributes are
+   returned in Group 3 in the response:
+
+     successful-ok:  no operation attributes or values were substituted
+       or ignored (same as Print-Job) and no requested attributes were
+       unsupported.
+     successful-ok-ignored-or-substituted-attributes:   The "requested-
+       attributes" operation attribute MAY, but NEED NOT, be returned
+       with the unsupported values.
+     successful-ok-conflicting-attributes:  same as Print-Job.
+      
+   For the error status codes, Group 3 is returned containing no
+   attributes or is not returned at all:
+
+     client-error-not-possible:  Same as Print-Job, in addition the
+       Printer object is not accepting any requests.
+     client-error-request-entity-too-large:  same as Print-job, except
+       that no print data is involved.
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 56]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     client-error-attributes-or-values-not-supported:  not applicable,
+       since unsupported operation attributes and/or values MUST be
+       ignored and an appropriate success code returned (see above).
+     client-error-conflicting-attributes:  same as Print-Job, except
+       that "ipp-attribute-fidelity" is not involved.
+     server-error-operation-not-supported:  not applicable (since Get-
+       Printer-Attributes is REQUIRED).
+     server-error-device-error:  same as Print-Job, except that no
+       document data is involved.
+     server-error-temporary-error:  same as Print-Job, except that no
+       document data is involved.
+     server-error-not-accepting-jobs:  not applicable.
+     server-error-busy:  same as Print-Job, except the IPP object is too
+       busy to accept even query requests.
+     server-error-job-canceled:  not applicable.
+
+3.1.3.1.6 Get-Jobs
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to the Get-Jobs operation with the
+   following specialization's and differences.   See Section 13 in
+   [RFC2911] for a more complete description of each status code.
+
+   For the following success status codes, the requested attributes are
+   returned in Group 3 in the response:
+
+       successful-ok:  same as Get-Printer-Attributes (see section
+          3.1.3.1.5).
+       successful-ok-ignored-or-substituted-attributes:   same as Get-
+          Printer-Attributes (see section 3.1.3.1.5).
+       successful-ok-conflicting-attributes:  same as Get-Printer-
+          Attributes (see section 3.1.3.1.5).
+        
+   For any error status codes, Group 3 is returned containing no
+   attributes or is not returned at all.  The following brief error
+   status code descriptions contain unique information for use with Get-
+   Jobs operation.  See section 14 for the other error status codes that
+   apply uniformly to all operations:
+
+       client-error-not-possible:  Same as Print-Job, in addition the
+          Printer object is not accepting any requests.
+       client-error-request-entity-too-large:  same as Print-job,
+          except that no print data is involved.
+       client-error-document-format-not-supported:  not applicable.
+       client-error-attributes-or-values-not-supported:  not
+          applicable, since unsupported operation attributes and/or
+          values MUST be ignored and an appropriate success code
+          returned (see above).
+       client-error-conflicting-attributes:  same as Print-Job, except
+          that "ipp-attribute-fidelity" is not involved.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 57]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+       server-error-operation-not-supported:  not applicable (since
+          Get-Jobs is REQUIRED).
+       server-error-device-error:  same as Print-Job, except that no
+          document data is involved.
+       server-error-temporary-error:  same as Print-Job, except that no
+          document data is involved.
+       server-error-not-accepting-jobs:  not applicable.
+       server-error-job-canceled:  not applicable.
+
+3.1.3.1.7 Pause-Printer
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Pause-Printer with the following
+   specializations and differences.  See Section 13 in [RFC2911] for a
+   more complete description of each status code.
+
+   For the following success status codes, the Printer object is being
+   stopped from scheduling jobs on all its devices.
+
+       successful-ok:  no request attributes were substituted or
+          ignored (same as Print-Job).
+       successful-ok-ignored-or-substituted-attributes:   same as
+          Print-Job.
+       successful-ok-conflicting-attributes:  same as Print-Job.
+        
+   For any of the error status codes, the Printer object has not been
+   stopped from scheduling jobs on all its devices.
+
+       client-error-not-possible: not applicable.
+       client-error-not-found:  the target Printer object does not
+          exist.
+       client-error-gone:  the target Printer object no longer exists
+          and no forwarding address is known.
+       client-error-request-entity-too-large:  same as Print-Job,
+          except no document data is involved.
+       client-error-document-format-not-supported:  not applicable.
+       client-error-conflicting-attributes:  same as Print-Job, except
+          that the Printer's "printer-is-accepting-jobs" attribute is
+          not involved.
+       server-error-operation-not-supported: the Pause-Printer
+          operation is not supported.
+       server-error-device-error: not applicable.
+       server-error-temporary-error:  same as Print-Job, except no
+          document data is involved.
+       server-error-not-accepting-jobs:  not applicable.
+       server-error-job-canceled:  not applicable.
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 58]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.3.1.8 Resume-Printer
+
+   All of the Print-Job status code descriptions in Section 3.1.3.1.1
+   Print-Job Response with the specialization's described for Pause-
+   Printer are applicable to Resume-Printer.  See Section 13 in
+   [RFC2911] for a more complete description of each status code.
+
+   For the following success status codes, the Printer object resumes
+   scheduling jobs on all its devices.
+
+       successful-ok:  no request attributes were substituted or
+          ignored (same as Print-Job).
+       successful-ok-ignored-or-substituted-attributes:   same as
+          Print-Job.
+       successful-ok-conflicting-attributes:  same as Print-Job.
+        
+   For any of the error status codes, the Printer object does not resume
+   scheduling jobs.
+
+        server-error-operation-not-supported: the Resume-Printer
+          operation is not supported.
+   
+
+3.1.3.1.8.1 What about Printers unable to change state due to an error
+        condition?
+   If, in case, the IPP printer is unable to change its state due to
+   some problem with the actual printer device (say, it is shut down or
+   there is a media-jam as indicated in [RFC2911]), what should be the
+   result of the "Resume-Printer" operation?  Should it still change the
+   'printer-state-reasons' and return success or should it fail ?
+
+   The Resume-Printer operation must clear the 'paused' or 'moving-to-
+   paused' 'printer-state-message'.  The operation must return a
+   'successful-ok' status code.
+
+
+3.1.3.1.8.2 How is "printer-state" handled on Resume-Printer?
+
+
+   If the Resume-Printer operation succeeds, what should be the value of
+   "printer-state" and  who should take care of the "printer-state"
+   attribute value later on ?
+
+   The Resume-Printer operation may change the "printer-state-reasons"
+   value.
+
+   The "printer-state" will change to one of three states:
+
+     1. 'idle' - no additional jobs and no error conditions present
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 59]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     2. 'processing' - job available and no error conditions present
+
+     3. current state (i.e. no change) an error condition is present
+        (e.g. media jam)
+
+   In the third case the "printer-state-reason" will be cleared by
+   automata when it detects the error condition no longer exists.  The
+   "printer-state" will move to 'idle' or 'processing' when conditions
+   permit. (i.e. no more error conditions)
+
+
+3.1.3.1.9 Purge-Printer
+
+   All of the Print-Job status code descriptions in Section 3.1.3.1.1
+   Print-Job Response with the specialization's described for Pause-
+   Printer are applicable to Purge-Printer.  See Section 13 in [RFC2911]
+   for a more complete description of each status code.
+
+   For the following success status codes, the Printer object purges all
+   it's jobs.
+
+       successful-ok:  no request attributes were substituted or
+          ignored (same as Print-Job).
+       successful-ok-ignored-or-substituted-attributes:   same as
+          Print-Job.
+       successful-ok-conflicting-attributes:  same as Print-Job.
+        
+   For any of the error status codes, the Printer object does not purge
+   any jobs.
+
+       server-error-operation-not-supported: the Purge-Printer
+       operation is not supported.
+
+3.1.3.2   Job Operations
+
+
+3.1.3.2.1 Send-Document
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to the Get-Printer-Attributes
+   operation with the following specialization's and differences.   See
+   Section 13 in [RFC2911] for a more complete description of each
+   status code.
+
+   For the following success status codes, the document has been added
+   to the specified Job object and the job's "number-of-documents"
+   attribute has been incremented:
+
+       successful-ok:  no request attributes were substituted or
+          ignored (same as Print-Job).
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 60]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+       successful-ok-ignored-or-substituted-attributes:  same as Print-
+          Job.
+       successful-ok-conflicting-attributes:  same as Print-Job.
+        
+   For the error status codes, no document has been added to the Job
+   object and the job's "number-of-documents" attribute has not been
+   incremented:
+
+       client-error-not-possible: Same as Print-Job, except that the
+          Printer's "printer-is-accepting-jobs" attribute is not
+          involved, so that the client is able to finish submitting a
+          job that was created with a Create-Job operation after this
+          attribute has been set to 'true'.  Another condition is that
+          the state of the job precludes Send-Document, i.e., the job
+          has already been closed out by the client.  However, if the
+          IPP Printer closed out the job due to timeout, the 'client-
+          error-timeout' error status SHOULD  be returned instead.
+       client-error-timeout:  This request was sent after the Printer
+          closed the job, because it has not received a Send-Document or
+          Send-URI operation within the Printer's "multiple-operation-
+          time-out" period .
+       client-error-request-entity-too-large:  same as Print-Job.
+       client-error-conflicting-attributes:  same as Print-Job, except
+          that "ipp-attributes-fidelity" operation attribute is not
+          involved..
+       server-error-operation-not-supported:  the Send-Document request
+          is not supported.
+       server-error-not-accepting-jobs:  not applicable.
+       server-error-job-canceled:  the job has been canceled by an
+          operator or the system while the client was transmitting the
+          data.
+
+3.1.3.2.2 Send-URI
+
+   All of the Print-Job status code descriptions in Section 3.1.3.1.1
+   Print-Job Response with the specialization's described for Send-
+   Document are applicable to Send-URI.  See Section 13 in [RFC2911] for
+   a more complete description of each status code.
+
+       client-error-uri-scheme-not-supported:  the URI scheme supplied
+          in the "document-uri" operation attribute is not supported and
+          the "document-uri" attribute MUST be returned in the
+          Unsupported Attributes group.
+       server-error-operation-not-supported: the Send-URI operation is
+          not supported.
+        
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 61]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.3.2.3 Cancel-Job
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Cancel-Job with the following
+   specializations and differences.  See Section 13 in [RFC2911] for a
+   more complete description of each status code.
+
+   For the following success status codes, the Job object is being
+   canceled or has been canceled:
+
+       successful-ok:  no request attributes were substituted or
+          ignored (same as Print-Job).
+       successful-ok-ignored-or-substituted-attributes:   same as
+          Print-Job.
+       successful-ok-conflicting-attributes:  same as Print-Job.
+        
+   For any of the error status codes, the Job object has not been
+   canceled or was previously canceled.
+
+       client-error-not-possible:  The request cannot be carried out
+          because of the state of the Job object ('completed',
+          'canceled', or 'aborted') or the state of the system.
+       client-error-not-found:  the target Printer and/or Job object
+          does not exist.
+       client-error-gone:  the target Printer and/or Job object no
+          longer exists and no forwarding address is known.
+       client-error-request-entity-too-large:  same as Print-Job,
+          except no document data is involved.
+       client-error-document-format-not-supported:  not applicable.
+       client-error-attributes-or-values-not-supported:  not
+          applicable, since unsupported operation attributes and values
+          MUST be ignored.
+       client-error-conflicting-attributes:  same as Print-Job, except
+          that the Printer's "printer-is-accepting-jobs" attribute is
+          not involved.
+       server-error-operation-not-supported:  not applicable (Cancel-
+          Job is REQUIRED).
+       server-error-device-error:  same as Print-Job, except no
+          document data is involved.
+       server-error-temporary-error:  same as Print-Job, except no
+          document data is involved.
+       server-error-not-accepting-jobs:  not applicable..
+       server-error-job-canceled:  not applicable.
+
+3.1.3.2.4 Get-Job-Attributes
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Get-Job-Attributes with the
+   following specializations and differences.  See Section 13 in
+   [RFC2911] for a more complete description of each status code.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 62]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   For the following success status codes, the requested attributes are
+   returned in Group 3 in the response:
+
+       successful-ok:  same as Get-Printer-Attributes (see section
+          3.1.3.1.5).
+       successful-ok-ignored-or-substituted-attributes:   same as Get-
+          Printer-Attributes (see section 3.1.3.1.5).
+       successful-ok-conflicting-attributes:  same as Get-Printer-
+          Attributes (see section 3.1.3.1.5).
+        
+   For the error status codes, Group 3 is returned containing no
+   attributes or is not returned at all.
+
+       client-error-not-possible:  Same as Print-Job, in addition the
+          Printer object is not accepting any requests.
+       client-error-document-format-not-supported:  not applicable.
+       client-error-attributes-or-values-not-supported:  not
+          applicable.
+       client-error-uri-scheme-not-supported:  not applicable.
+       client-error-attributes-or-values-not-supported:  not
+          applicable, since unsupported operation attributes and/or
+          values MUST be ignored and an appropriate success code
+          returned (see above).
+       client-error-conflicting-attributes:  not applicable
+       server-error-operation-not-supported:  not applicable (since
+          Get-Job-Attributes is REQUIRED).
+       server-error-device-error:  same as Print-Job, except no
+          document data is involved.
+       server-error-temporary-error:  sane as Print-Job, except no
+          document data is involved..
+       server-error-not-accepting-jobs:  not applicable.
+       server-error-job-canceled:  not applicable.
+
+3.1.3.2.5 Hold-Job
+
+   All of the Print-Job status codes described in Section 3.1.3.1.1
+   Print-Job Response are applicable to Hold-Job with the following
+   specializations and differences.  See Section 13 in [RFC2911] for a
+   more complete description of each status code.
+
+   For the following success status codes, the Job object is being held
+   or has been held:
+
+       successful-ok:  no request attributes were substituted or
+          ignored (same as Print-Job).
+       successful-ok-ignored-or-substituted-attributes:   same as
+          Print-Job.
+       successful-ok-conflicting-attributes:  same as Print-Job.
+        
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 63]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   For any of the error status codes, the Job object has not been held
+   or was previously held.
+
+       client-error-not-possible:  The request cannot be carried out
+          because of the state of the Job object ('completed',
+          'canceled', or 'aborted') or the state of the system.
+       client-error-not-found:  the target Printer and/or Job object
+          does not exist.
+       client-error-gone:  the target Printer and/or Job object no
+          longer exists and no forwarding address is known.
+       client-error-request-entity-too-large:  same as Print-Job,
+          except no document data is involved.
+       client-error-document-format-not-supported:  not applicable.
+       client-error-conflicting-attributes:  same as Print-Job, except
+          that the Printer's "printer-is-accepting-jobs" attribute is
+          not involved.
+       server-error-operation-not-supported: the Hold-Job operation is
+          not supported.
+       server-error-device-error: not applicable.
+       server-error-temporary-error:  same as Print-Job, except no
+          document data is involved.
+       server-error-not-accepting-jobs:  not applicable.
+       server-error-job-canceled:  not applicable.
+
+3.1.3.2.6 Release-Job
+
+   All of the Print-Job status code descriptions in Section 3.1.3.1.1
+   Print-Job Response with the specialization's described for Hold-Job
+   are applicable to Release-Job.  See Section 13 in [RFC2911] for a
+   more complete description of each status code.
+
+       server-error-operation-not-supported: the Release-Job operation
+         is not supported.
+
+3.1.3.2.7 Restart-Job
+
+   All of the Print-Job status code descriptions in Section 3.1.3.1.1
+   Print-Job Response with the specialization's described for Hold-Job
+   are applicable to Restart-Job.  See Section 13 in [RFC2911] for a
+   more complete description of each status code.
+
+        server-error-operation-not-supported: the Restart-Job operation
+          is not supported.
+   
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 64]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+3.1.3.2.7.1 Can documents be added to a restarted job?
+   Assume I give a Create-Job request along with a set of 5 documents .
+   All the documents get printed and the job state is moved to completed
+   . I issue a Restart-Job request on the job. Now the issue is that, if
+   I try to  add new documents to the restarted job, will the IPP Server
+   permit me to do so or  return "client-error-not-possible " and again
+   print those 5 jobs?
+
+   A job can not move to the 'completed' state until all the documents
+   have been processed.  The 'last-document' flag indicates when the
+   last document for a job is being sent from the client.  This is the
+   semantic equivalent of closing a job.  No documents may be added once
+   a job is closed. Section 3.3.7 of the IPP/1.1 model states "The job
+   is moved to the 'pending' job state and restarts the beginning on the
+   same IPP Printer object with the same attribute values." 'number-of-
+   documents' is a job attribute.
+
+
+3.1.4     Returning unsupported attributes in Get-Xxxx responses (Issue
+     1.18)
+
+   In the Get-Printer-Attributes, Get-Jobs, or Get-Job-Attributes
+   responses, the client cannot depend on getting unsupported attributes
+   returned in the Unsupported Attributes group that the client
+   requested, but are not supported by the IPP object.  However, such
+   unsupported requested attributes will not be returned in the Job
+   Attributes or Printer Attributes group (since they are unsupported).
+   Furthermore, the IPP object is REQUIRED to return the 'successful-ok-
+   ignored-or-substituted-attributes' status code, so that the client
+   knows that not all that was requested has been returned.
+
+
+3.1.5     Sending empty attribute groups
+
+   The [RFC2911] and [RFC2910] specifications RECOMMEND that a sender
+   not send an empty attribute group in a request or a response.
+   However, they REQUIRE a receiver to accept an empty attribute group
+   as equivalent to the omission of that group.  So a client SHOULD omit
+   the Job Template Attributes group entirely in a create operation that
+   is not supplying any Job Template attributes.  Similarly, an IPP
+   object SHOULD omit an empty Unsupported Attributes group if there are
+   no unsupported attributes to be returned in a response.
+
+   The [RFC2910] specification REQUIRES a receiver to be able to receive
+   either an empty attribute group or an omitted attribute group and
+   treat them equivalently.  The term "receiver" means an IPP object for
+   a request and a client for a response.  The term "sender' means a
+   client for a request and an IPP object for a response.
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 65]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   There is an exception to the rule for Get-Jobs when there are no
+   attributes to be returned.  [RFC2910] contains the following
+   paragraph:
+
+   The syntax allows an xxx-attributes-tag to be present when the xxx-
+   attribute-sequence that follows is empty. The syntax is defined this
+   way to allow for the response of Get-Jobs where no attributes are
+   returned for some job-objects.  Although it is RECOMMENDED that the
+   sender not send an xxx-attributes-tag if there are no attributes
+   (except in the Get-Jobs response just mentioned), the receiver MUST
+   be able to decode such syntax.
+
+
+3.2 Printer Operations
+
+
+3.2.1     Print-Job operation
+
+
+3.2.1.1   Flow controlling the data portion of a Print-Job request
+      (Issue 1.22)
+
+   A paused printer, or one that is stopped due to paper out or jam or
+   spool space full or buffer space full, may flow control the data of a
+   Print-Job operation (at the TCP/IP layer), so that the client is not
+   able to send all the document data.  Consequently, the Printer will
+   not return a response until the condition is changed.
+
+   The Printer should not return a Print-Job response with an error code
+   in any of these conditions, since either the printer will be resumed
+   and/or the condition will be freed either by human intervention or as
+   jobs print.
+
+   In writing test scripts to test IPP Printers, the script must also be
+   written not to expect a response, if the printer has been paused,
+   until the printer is resumed, in order to work with all possible
+   implementations.
+
+
+3.2.1.2   Returning job-state in Print-Job response (Issue 1.30)
+
+   An IPP client submits a small job via Print-Job.  By the time the IPP
+   printer/print server is putting together a response to the operation,
+   the job has finished printing and been removed as an object from the
+   print system.  What should the job-state be in the response?
+
+   The Model suggests that the Printer return a response before it even
+   accepts the document content.  The Job Object Attributes are returned
+   only if the IPP object returns one of the success status codes. Then
+   the job-state would always be "pending" or "pending-held".
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 66]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   This issue comes up for the implementation of an IPP Printer object
+   as a server that forwards jobs to devices that do not provide job
+   status back to the server.  If the server is reasonably certain that
+   the job completed successfully, then it should return the job-state
+   as 'completed'.  Also the server can keep the job in its "job
+   history" long after the job is no longer in the device.  Then a user
+   could query the server and see that the job was in the 'completed'
+   state and completed as specified by the jobs "time-at-completed"
+   time, which would be the same as the server submitted the job to the
+   device.
+
+   An alternative is for the server to respond to the client before or
+   while sending the job to the device, instead of waiting until the
+   server has finished sending the job to the device.  In this case, the
+   server can return the job's state as 'pending' with the 'job-
+   outgoing' value in the job's "job-state-reasons" attribute.
+
+   If the server doesn't know for sure whether the job completed
+   successfully (or at all), it could return the (out-of-band) 'unknown'
+   value.
+
+   On the other hand, if the server is able to query the device and/or
+   setup some sort of event notification that the device initiates when
+   the job makes state transitions, then the server can return the
+   current job state in the Print-Job response and in subsequent queries
+   because the server knows what the job state is in the device (or can
+   query the device).
+
+   All of these alternatives depend on implementation of the server and
+   the device.
+
+
+3.2.2     Get-Printer-Attributes operation
+
+   If a Printer supports the "printer-make-and-model" attribute and
+   returns the .INF file model name of the printer in that attribute,
+   the Microsoft client will automatically install the correct driver
+   (if available).
+
+   Clients which poll periodically for printer status or queued-job-
+   count should use the "requested-attributes" operation attribute  to
+   limit the scope of the query in order to save Printer and network
+   resources.
+
+
+3.2.3     Get-Jobs operation
+
+
+3.2.3.1   Get-Jobs, my-jobs='true', and 'requesting-user-name' (Issue
+      1.39)?
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 67]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   In [RFC2911] section 3.2.6.1 'Get-Jobs Request', if the attribute
+   'my-jobs' is present and set to TRUE, MUST the 'requesting-user-name'
+   attribute be there too, and if it's not present what should the IPP
+   printer do?
+
+   [RFC2911] Section 8.3 describes the various cases of "requesting-
+   user-name" being present or not for any operation.  If the client
+   does not supply a value for "requesting-user-name", the printer MUST
+   assume that the client is supplying some anonymous name, such as
+   "anonymous".
+
+
+3.2.3.2   Why is there a "limit" attribute in the Get-Jobs operation?
+
+   When using the Get-Jobs operation a client implementer might choose
+   to limit the number of jobs that the client shows on the first
+   screenful. For example, if its UI can only display 50 jobs, it can
+   defend itself against a printer that would otherwise return 500 jobs,
+   perhaps taking a long time on a slow dial-up line. The client can
+   then go and ask for a larger number of jobs in the background, while
+   showing the user the first 50 jobs. Since the job history is returned
+   in reverse order, namely the most recently completed jobs are
+   returned first, the user is most likely interested in the first jobs
+   that are returned. Limiting the number of jobs may be especially
+   useful for a client that is requesting 'completed' jobs from a
+   printer that keeps a long job history. Clients that don't mind
+   sometimes getting very large responses, can omit the "limit"
+   attribute in their Get-Jobs requests.
+
+
+3.2.4     Create-Job operation
+
+   A Printer may respond to a Create-Job operation with "job-state"
+   'pending' or 'pending-held' and " job-state-reason" 'job-data-
+   insufficient' to indicate that operation has been accepted by the
+   Printer, but the Printer is expecting additional document data before
+   it can move the job into the 'processing' state.  Alternatively, it
+   may respond with "job-state" 'processing' and "job-state-reason"
+   'job-incoming'  to indicate that the Create-Job operation has been
+   accepted by the Printer, but the Printer is expecting additional
+   Send-Document and/or Send-URI operations and/or is
+   accessing/accepting document data.  The second alternative is for
+   non-spooling Printers that don't implement the 'pending' state.
+
+   Should the server wait for the "last-document" operation attribute
+   set to 'true' before starting to "process" the job?
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 68]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   It depends on implementation. Some servers spool the entire job,
+   including all document data, before starting to process, so such an
+   implementation would wait for the "last-document" before starting to
+   process the job. If the time-out occurs without the "last-document",
+   then the server takes one of the indicated actions in section 3.3.1
+   in the [RFC2911] document. Other servers will start to process
+   document data as soon as they have some. These are the so-called
+   "non-spooling" printers. Currently, there isn't a way for a client to
+   determine whether the Printer will spool all the data or will start
+   to process (and print) as soon as it has some data.
+
+
+3.3 Job Operations
+
+
+3.3.1     Validate-Job
+
+   The Validate-Job operation has been designed so that its
+   implementation may be a part of the Print-Job operation.  Therefore,
+   requiring Validate-Job is not a burden on implementers.  Also it is
+   useful for client's to be able to count on its presence in all
+   conformance implementations, so that the client can determine before
+   sending a long document, whether the job will be accepted by the IPP
+   Printer or not.
+
+
+3.3.2      Restart-Job
+
+   The Restart-Job operation allows the reprocessing of a completed job.
+   Some jobs store the document data on the printer.  Jobs created using
+   the Print-Job operation are an example.  It is required that the
+   printer retains the job data after the job has moved to a 'completed
+   state' in order for the Restart-Job operation to succeed.
+
+   Some jobs contain only a reference to the job data.  A job created
+   using the Print-URI is an example of such a job.  When the Restart-
+   Job operation is issued the job is reprocessed. The job data MUST be
+   retrieved again to print the job.
+
+   It is possible that a job fails while attempting to access the print
+   data.  When such a job is the target of a Restart-Job  the Printer
+   SHALL attempt to retrieve the job data again.
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 69]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+4  Object Attributes
+
+
+4.1 Attribute Syntax's
+
+
+4.1.1     The 'none' value for empty sets (Issue 1.37)
+
+   [RFC2911] states that the 'none' value should be used as the value of
+   a 1setOf when the set is empty. In most cases, sets that are
+   potentially empty contain keywords so the keyword 'none' is used, but
+   for the 3 finishings attributes, the values are enums and thus the
+   empty set is represented by the enum 3.  Currently there are no other
+   attributes with 1setOf values, which can be empty and can contain
+   values that are not keywords.  This exception requires special code
+   and is a potential place for bugs.  It would have been better if we
+   had chosen an out-of-band value, either "no-value" or some new value,
+   such as 'none'.  Since we didn't, implementations have to deal with
+   the different representations of 'none', depending on the attribute
+   syntax.
+
+
+4.1.2     Multi-valued attributes (Issue 1.31)
+
+   What is the attribute syntax for a multi-valued attribute?  Since
+   some attributes support values in more than one data type, such as
+   "media", "job-hold-until", and "job-sheets", IPP semantics associate
+   the attribute syntax with each value, not with the attribute as a
+   whole.  The protocol associates the attribute syntax tag with each
+   value.  Don't be fooled, just because the attribute syntax tag comes
+   before the attribute keyword.  All attribute values after the first
+   have a zero length attribute keyword as the indication of a
+   subsequent value of the same attribute.
+
+
+4.1.3     Case Sensitivity in URIs (issue 1.6)
+
+   IPP client and server implementations must be aware of the diverse
+   uppercase/lowercase nature of URIs.  RFC 2396 defines URL schemes and
+   Host names as case insensitive but reminds us that the rest of the
+   URL may well demonstrate case sensitivity.  When creating URL's for
+   fields where the choice is completely arbitrary, it is probably best
+   to select lower case.  However, this cannot be guaranteed and
+   implementations MUST NOT rely on any fields being case-sensitive or
+   case-insensitive in the URL beyond the URL scheme and host name
+   fields.
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 70]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   The reason that the IPP specification does not make any restrictions
+   on URIs, is so that implementations of IPP may use off-the-shelf
+   components that conform to the standards that define URIs, such as
+   RFC 2396 and the HTTP/1.1 specifications [RFC2616].  See these
+   specifications for rules of matching, comparison, and case-
+   sensitivity.
+
+   It is also recommended that System Administrators and implementations
+   avoid creating URLs for different printers that differ only in their
+   case.  For example, don't have Printer1 and printer1 as two different
+   IPP Printers.
+
+   Example of equivalent URI's
+
+        http://abc.com:80/~smith/home.html
+
+        http://ABC.com/%7Esmith/home.html
+
+        http:/ABC.com:/%7esmith/home.html
+
+   Example of equivalent URI's using the IPP scheme
+
+        ipp://abc.com:631/~smith/home.html
+
+        ipp://ABC.com/%7Esmith/home.html
+
+        http:/ABC.com:631/%7esmith/home.html
+
+   The HTTP/1.1 specification [RFC2616] contains more details on
+   comparing URLs.
+
+
+4.1.4     Maximum length for xxxWithLanguage and xxxWithoutLanguage
+
+   The 'textWithLanguage' and 'nameWithLanguage' are compound syntaxes
+   that have two components.  The first component is the 'language'
+   component that can contain up to 63 octets.  The second component is
+   the 'text' or 'name' component.  The maximum length of these are 1023
+   octets and 255 octets respectively.  The definition of attributes
+   with either syntax may further restrict the length.  (e.g. printer-
+   name (name(127)))
+
+   The length of the 'language' component has no effect on the allowable
+   length of 'text' in 'textWithLanguage' or the length of 'name' in
+   'nameWithLanguage'
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 71]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+4.2 Job Template Attributes
+
+
+4.2.1     multiple-document-handling(type2 keyword)
+
+
+4.2.1.1   Support of multiple document jobs
+
+   IPP/1.0 is silent on which of the four effects an implementation
+   would perform if it supports Create-Job, but does not support
+   "multiple-document-handling" or multiple documents per job.  IPP/1.1
+   was changed so that a Printer could support Create-Job without having
+   to support multiple document jobs.  The "multiple-document-jobs-
+   supported" (boolean) Printer description attribute was added to
+   IPP/1.1 along with the 'server-error-multiple-document-jobs-not-
+   supported' status code for a Printer to indicate whether or not it
+   supports multiple document jobs, when it supports the Create-Job
+   operation.  Also IPP/1.1 was clarified that the Printer MUST support
+   the "multiple-document-handling" (type2 keyword) Job Template
+   attribute with at least one value if the Printer supports multiple
+   documents per job.
+
+
+4.3 Job Description Attributes
+
+
+4.3.1     Getting the date and time of day
+
+   The "date-time-at-creation",  "date-time-at-processing", and "date-
+   time-at-completed" attributes are returned as dateTime syntax.
+   These attributes are OPTIONAL for a Printer to support.  However,
+   there are various ways for a Printer to get the date and time of day.
+   Some suggestions:
+
+     1.   A Printer can get time from an NTP timeserver if there's one
+     reachable on the network .  See RFC 1305.  Also DHCP option 32 in
+     RFC 2132 returns the IP address of the NTP server.
+
+     2.   Get the date and time at startup from a human operator
+
+     3.   Have an operator set the date and time using a web
+     administrative interface
+
+     4.   Get the date and time from incoming HTTP requests, though the
+     problems of spoofing need to be considered.  Perhaps comparing
+     several HTTP requests could reduce the chances of spoofing.
+
+     5.   Internal date time clock battery driven.
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 72]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     6.   Query "http://tycho.usno.navy.mil/cgi-bin/timer.pl"
+
+
+
+4.4 Printer Description Attributes
+
+
+4.4.1     queued-job-count (integer(0:MAX))
+
+
+4.4.1.1   Why is "queued-job-count" RECOMMENDED (Issue 1.14)?
+
+   The reason that "queued-job-count" is RECOMMENDED, is that some
+   clients look at that attribute alone when summarizing the status of a
+   list of printers, instead of doing a Get-Jobs to determine the number
+   of jobs in the queue.  Implementations that fail to support the
+   "queued-job-count" will cause that client to display 0 jobs when
+   there are actually queued jobs.
+
+   We would have made it a REQUIRED Printer attribute, but some
+   implementations had already been completed before the issue was
+   raised, so making it a SHOULD was a compromise.
+
+
+4.4.1.2   Is "queued-job-count" a good measure of how busy a printer is
+      (Issue 1.15)?
+
+   The "queued-job-count" is not a good measure of how busy the printer
+   is when there are held jobs.  A future registration could be to add a
+   "held-job-count" (or an "active-job-count") Printer Description
+   attribute if experience shows that such an attribute (combination) is
+   needed to quickly indicate how busy a printer really is.
+
+
+4.4.2     printer-current-time (dateTime)
+
+   A Printer implementation MAY support this attribute by obtaining the
+   date and time by any number of implementation-dependent means at
+   startup or subsequently.  Examples include:
+
+     1. an internal date time clock,
+
+     2. from the operator at startup using the console,
+
+     3. from an operator using an administrative web page,
+
+     4. from HTTP headers supplied in client requests,
+
+     5. use HTTP to query "http://tycho.usno.navy.mil/cgi-bin/timer.pl"
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 73]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     6. from the network, using NTP [RFC1305] or DHCP option 32
+        [RFC2132] that returns the IP address of the NTP server.
+
+   If an implementation supports this attribute by obtaining the current
+   time from the network (at startup or later), but the time is not
+   available, then the implementation MUST return the value of this
+   attribute using the out-of-band 'no-value' meaning not configured.
+   See the beginning of section 4.1.
+
+   Since the new "date-and-time-at-xxx" Job Description attributes refer
+   to the "printer-current-time", they will be covered also.
+
+
+4.4.3     Printer-uri
+
+   Must the operational attribute for printer-uri match one of the
+   values in "printer-uri-supported"?
+
+   A forgiving printer implementation would not reject the operation.
+   But the implementation has its rights to reject a printer or job
+   operation if the operational attribute printer-uri is not a value of
+   the printer-uri-supported. The printer might not be improperly
+   configured. The request obviously reached the printer. The printer
+   could treat the printer-uri as the logical equivalent of a value in
+   the printer-uri-supported. It would be implementation dependent for
+   which value, and associated security policy, would apply. This does
+   also apply to a job object specified with a printer-uri and job-id,
+   or with a job-uri. See section 4.1.3 for how to compare URI's.
+
+
+4.5 Empty Jobs
+
+   The IPP object model does not prohibit a job that contains no
+   documents.  Such a job may be created in a number of ways including a
+   'create-job' followed by an 'add-document' that contains no data and
+   has the 'last-document' flag set.
+
+   An empty job is processed just as any other job.  The operation that
+   "closes" an empty job is not rejected because the job is empty.  If
+   no other conditions exist, other than the job is empty, the response
+   to the operation will indicate success.  After the job is scheduled
+   and processed, the job state SHALL be 'completed'.
+
+   There will be some variation in the value(s) of the "job-state-
+   reasons" attribute.  It is required that if no conditions, other than
+   the job being empty, exist the "job-state-reasons" SHALL include the
+   'completed-successfully'.  If other conditions existed, the
+   'completed-with-warnings' or 'completed-with-errors' values may be
+   used.
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 74]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+5  Directory Considerations
+
+
+5.1 General Directory Schema Considerations
+
+   The [RFC2911] document lists RECOMMENDED and OPTIONAL Printer object
+   attributes for directory schemas.  See [RFC2911] APPENDIX E: Generic
+   Directory Schema.
+
+   The SLP printer template is defined in the "Definition of the Printer
+   Abstract Service Type v2.0" document [svrloc-printer].  The LDAP
+   printer template is defined in the "Internet Printing Protocol (IPP):
+   LDAP Schema for Printer Services" document [ldap-printer].  Both
+   documents systematically add "printer-" to any attribute that doesn't
+   already start with "printer-" in order to keep the printer directory
+   attributes distinct from other directory attributes.  Also, instead
+   of using "printer-uri-supported", "uri-authentication-supported", and
+   "uri-security-supported", they use a "printer-xri-supported"
+   attribute with special syntax to contain all of the same information
+   in a single attribute.
+
+
+5.2 IPP Printer with a DNS name
+
+   If the IPP printer has a DNS name should there be at least two values
+   for the printer-uri-supported attribute. One URL with the fully
+   qualified DNS name the other with the IP address in the URL?
+
+   The printer may contain one or the other or both. It's up to the
+   administrator to configure this attribute.
+
+
+6  Security Considerations
+
+   This section corresponds to the RFC2911 Section 8 "Security
+   Considerations.
+
+
+6.1 Querying jobs with IPP that were submitted using other job
+    submission protocols (Issue 1.32)
+
+   The following clarification was added to [RFC2911] section 8.5:
+
+     8.5 Queries on jobs submitted using non-IPP protocols
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 75]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     If the device that an IPP Printer is representing is able to accept
+     jobs using other job submission protocols in addition to IPP, it is
+     RECOMMEND that such an implementation at least allow such "foreign"
+     jobs to be queried using Get-Jobs returning "job-id" and "job-uri"
+     as 'unknown'.  Such an implementation NEED NOT support all of the
+     same IPP job attributes as for IPP jobs.  The IPP object returns
+     the 'unknown' out-of-band value for any requested attribute of a
+     foreign job that is supported for IPP jobs, but not for foreign
+     jobs.
+
+     It is further RECOMMENDED, that the IPP Printer generate "job-id"
+     and "job-uri" values for such "foreign jobs", if possible, so that
+     they may be targets of other IPP operations, such as Get-Job-
+     Attributes and Cancel-Job.  Such an implementation also needs to
+     deal with the problem of authentication of such foreign jobs.  One
+     approach would be to treat all such foreign jobs as belonging to
+     users other than the user of the IPP client.  Another approach
+     would be for the foreign job to belong to 'anonymous'.  Only if the
+     IPP client has been authenticated as an operator or administrator
+     of the IPP Printer object, could the foreign jobs be queried by an
+     IPP request.  Alternatively, if the security policy were to allow
+     users to query other users' jobs, then the foreign jobs would also
+     be visible to an end-user IPP client using Get-Jobs and Get-Job-
+     Attributes.
+
+     Thus IPP MAY be implemented as a "universal" protocol that provides
+     access to jobs submitted with any job submission protocol.  As IPP
+     becomes widely implemented, providing a more universal access makes
+     sense.
+
+
+7  Encoding and Transport
+
+   This section discusses various aspects of IPP/1.1 Encoding and
+   Transport [RFC2910].
+
+   A server is not required to send a response until after it has
+   received the client's entire request.  Hence, a client must not
+   expect a response until after it has sent the entire request.
+   However, we recommend that the server return a response as soon as
+   possible if an error is detected while the client is still sending
+   the data, rather than waiting until all of the data is received.
+   Therefore, we also recommend that a client listen for an error
+   response that an IPP server MAY send before it receives all the data.
+   In this case a client, if chunking the data, can send a premature
+   zero-length chunk to end the request before sending all the data (and
+   so the client can keep the connection open for other requests, rather
+   than closing it). If the request is blocked for some reason, a client
+   MAY determine the reason by opening another connection to query the
+   server using Get-Printer-Attributes.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 76]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   IPP, by design, uses TCP's built-in flow control mechanisms [RFC 793]
+   to throttle clients when Printers are busy.  Therefore, it is
+   perfectly normal for an IPP client transmitting a Job to be blocked
+   for a really long time.  Accordingly, socket timeouts must be
+   avoided.  Some socket implementations have a timeout option, which
+   specifies how long a write operation on a socket can be blocked
+   before it times out and the blocking ends.  A client should set this
+   option for infinite timeout when transmitting Job submissions.
+
+   Some IPP client applications might be able to perform other useful
+   work while a Job transmission is blocked.  For example, the client
+   may have other jobs that it could transmit to other Printers
+   simultaneously.  A client may have a GUI, which must remain
+   responsive to the user while the Job transmission is blocked.  These
+   clients should be designed to spawn a thread to handle the Job
+   transmission at its own pace, leaving the main application free to do
+   other work.  Alternatively, single-threaded applications could use
+   non-blocking I/O.
+
+   Some Printer conditions, such as jam or lack of paper, could cause a
+   client to be blocked indefinitely.  Clients may open additional
+   connections to the Printer to Get-Printer-Attributes, determine the
+   state of the device, alert a user if the printer is stopped, and let
+   a user decide whether to abort the job transmission or not.
+
+   In the following sections, there are tables of all HTTP headers,
+   which describe their use in an IPP client or server.  The following
+   is an explanation of each column in these tables.
+
+     - the "header" column contains the name of a header
+     - the "request/client" column indicates whether a client sends the
+       header.
+     - the "request/ server" column indicates whether a server supports
+       the header when received.
+     - the "response/ server" column indicates whether a server sends
+       the header.
+     - the "response /client" column indicates whether a client
+       supports the header when received.
+     - the "values and conditions" column specifies the allowed header
+       values and the conditions for the header to be present in a
+       request/response.
+
+   The table for "request headers" does not have columns for responses,
+   and the table for "response headers" does not have columns for
+   requests.
+
+   The following is an explanation of the values in the "request/client"
+   and "response/ server" columns.
+
+     - must: the client or server MUST send the header,
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 77]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     - must-if: the client or server MUST send the header when the
+       condition described in the "values and conditions" column is
+       met,
+     - may: the client or server MAY send the header
+     - not: the client or server SHOULD NOT send the header. It is not
+       relevant to an IPP implementation.
+
+
+   The following is an explanation of the values in the
+   "response/client" and "request/ server" columns.
+
+     - must: the client or server MUST support the header,
+     - may: the client or server MAY support the header
+     - not: the client or server SHOULD NOT support the header. It is
+       not relevant to an IPP implementation.
+
+7.1 General Headers
+
+   The following is a table for the general headers.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 78]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+
+   General-    Request         Response       Values and Conditions
+   Header
+
+
+
+               Client  Server  Server Client
+
+
+   Cache-      must    not     must   not     "no-cache" only
+   Control
+
+   Connection  must-   must    must-  must    "close" only. Both
+               if              if             client and server SHOULD
+                                              keep a connection for
+                                              the duration of a
+                                              sequence of operations.
+                                              The client and server
+                                              MUST include this header
+                                              for the last operation
+                                              in such a sequence.
+
+   Date        may     may     must   may     per RFC 1123 [RFC1123]
+                                              from RFC 2616 [RFC2616]
+
+   Pragma      must    not     must   not     "no-cache" only
+
+   Transfer-   must-   must    must-  must    "chunked" only . Header
+   Encoding    if              if             MUST be present if
+                                              Content-Length is
+                                              absent.
+
+   Upgrade     not     not     not    not
+
+   Via         not     not     not    not
+
+
+7.2 Request  Headers
+
+The following is a table for the request headers.
+
+
+   Request-       Client   Server Request Values and Conditions
+   Header
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 79]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+   Request-       Client   Server Request Values and Conditions
+   Header
+
+   Accept         may      must   "application/ipp" only.  This
+                                  value is the default if the client
+                                  omits it
+
+   Accept-        not      not     Charset information is within the
+   Charset                        application/ipp entity
+
+   Accept-        may      must   empty and per RFC 2616 [RFC2616]
+   Encoding                       and IANA registry for content-
+                                  codings
+
+   Accept-        not      not    language information is within the
+   Language                       application/ipp entity
+
+   Authorization  must-    must   per RFC 2616. A client MUST send
+                  if              this header when it receives a 401
+                                  "Unauthorized" response and does
+                                  not receive a  "Proxy-
+                                  Authenticate" header.
+
+   From           not      not    per RFC 2616. Because RFC
+                                  recommends sending this header
+                                  only with the user's approval, it
+                                  is not very useful
+
+   Host           must     must   per RFC 2616
+
+   If-Match       not      not
+
+   If-Modified-   not      not
+   Since
+
+   If-None-Match  not      not
+
+   If-Range       not      not
+
+   If-            not      not
+   Unmodified-
+   Since
+
+   Max-Forwards   not      not
+
+   Proxy-         must-    not    per RFC 2616. A client MUST send
+   Authorization  if              this header when it receives a 401
+                                  "Unauthorized" response and a
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 80]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+   Request-       Client   Server Request Values and Conditions
+   Header
+
+                                  "Proxy-Authenticate" header.
+
+   Range          not      not
+
+   Referrer       not      not
+
+   User-Agent     not      not
+
+
+7.3 Response Headers
+
+   The following is a table for the request headers.
+
+
+
+   Response-       Server  Client Response Values and Conditions
+   Header
+
+
+   Accept-Ranges   not     not
+
+   Age             not     not
+
+   Location        must-   may    per RFC 2616. When URI needs
+                   if             redirection.
+
+   Proxy-          not     must   per RFC 2616
+   Authenticate
+
+   Public          may     may    per RFC 2616
+
+   Retry-After     may     may    per RFC 2616
+
+   Server          not     not
+
+   Vary            not     not
+
+   Warning         may     may    per RFC 2616
+
+   WWW-            must-   must   per RFC 2616. When a server needs
+   Authenticate    if             to authenticate a client.
+
+
+7.4 Entity  Headers
+
+The following is a table for the entity headers.
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 81]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+
+   Entity-Header   Request        Response        Values and
+                                                  Conditions
+
+                   Client  Server Server  Client   
+
+   Allow           not     not    not     not
+
+   Content-Base    not     not    not     not
+
+   Content-        may     must   must    must    per RFC 2616 and
+   Encoding                                       IANA registry for
+                                                  content codings.
+
+   Content-        not     not    not     not     Application/ipp
+   Language                                       handles language
+
+   Content-        must-   must   must-   must    the length of the
+   Length          if             if              message-body per
+                                                  RFC 2616. Header
+                                                  MUST be present if
+                                                  Transfer-Encoding
+                                                  is absent..
+
+   Content-        not     not    not     not
+   Location
+
+   Content-MD5     may     may    may     may     per RFC 2616
+
+   Content-Range   not     not    not     not
+
+   Content-Type    must    must   must    must    "application/ipp"
+                                                  only
+
+   ETag            not     not    not     not
+
+   Expires         not     not    not     not
+
+   Last-Modified   not     not    not     not
+
+
+7.5 Optional support for HTTP/1.0
+
+   IPP implementations consist of an HTTP layer and an IPP layer.  In
+   the following discussion, the term "client" refers to the HTTP client
+   layer and the term "server" refers to the HTTP server layer.  The
+   Encoding and Transport document [RFC2910] requires that HTTP 1.1 MUST
+   be supported by all clients and all servers.  However, a client
+   and/or a server implementation may choose to also support HTTP 1.0.
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 82]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   This option means that a server may choose to communicate with a
+   (non-conforming) client that only supports HTTP 1.0.  In such cases
+   the server should not use any HTTP 1.1 specific parameters or
+   features and should respond using HTTP version number 1.0.
+
+   This option also means that a client may choose to communicate with a
+   (non-conforming) server that only supports HTTP 1.0.  In such cases,
+   if the server responds with an HTTP 'unsupported version number' to
+   an HTTP 1.1 request, the client should retry using HTTP version
+   number 1.0.
+
+
+7.6 HTTP/1.1 Chunking
+
+
+7.6.1     Disabling IPP Server Response Chunking
+
+   Clients MUST anticipate that the HTTP/1.1 server may chunk responses
+   and MUST accept them in responses.  However, a (non-conforming) HTTP
+   client that is unable to accept chunked responses may attempt to
+   request an HTTP 1.1 server not to use chunking in its response to an
+   operation by using the following HTTP header:
+
+     TE: identity
+
+   This mechanism should not be used by a server to disable a client
+   from chunking a request, since chunking of document data is an
+   important feature for clients to send long documents.
+
+
+7.6.2     Warning About the Support of Chunked Requests
+
+   This section describes some problems with the use of chunked requests
+   and HTTP/1.1 servers.
+
+   The HTTP/1.1 standard [RFC2616] requires that conforming servers
+   support chunked requests for any method.  However, in spite of this
+   requirement, some HTTP/1.1 implementations support chunked responses
+   in the GET method, but do not support chunked POST method requests.
+   Some HTTP/1.1 implementations that support CGI scripts [CGI] and/or
+   servlets [Servlet] require that the client supply a Content-Length.
+   These implementations might reject a chunked POST method and return a
+   411 status code (Length Required), might attempt to buffer the
+   request and run out of room returning a 413 status code (Request
+   Entity Too Large), or might successfully accept the chunked request.
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 83]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Because of this lack of conformance of HTTP servers to the HTTP/1.1
+   standard, the IPP standard [RFC2910] REQUIRES that a conforming IPP
+   Printer object implementation support chunked requests and that
+   conforming clients accept chunked responses.  Therefore, IPP object
+   implementers are warned to seek HTTP server implementations that
+   support chunked POST requests in order to conform to the IPP standard
+   and/or use implementation techniques that support chunked POST
+   requests.
+
+
+8  References
+
+   [CGI]
+     CGI/1.1 (http://www.ietf.org/internet-drafts/draft-coar-cgi-v11-
+     00.txt).
+
+   [ldap-printer]
+     Fleming, P., Jones, K., Lewis, H., McDonald, I., "Internet Printing
+     Protocol (IPP): LDAP Schema for Printer Services", <draft-ietf-ipp-
+     ldap-printer-schema-01.txt>, work in progress, April 27, 2000.
+
+   [RFC793]
+     J. Postel, "Transmission Control Protocol", RFC 793.
+
+   [RFC1123]
+     Braden, S., "Requirements for Internet Hosts - Application and
+     Support", RFC 1123, October, 1989.
+
+   [RFC2026]
+     S. Bradner, "The Internet Standards Process -- Revision 3", RFC
+     2026, October 1996.
+
+   [RFC2119]
+       S. Bradner, "Key words for use in RFCs to Indicate Requirement
+       Levels", RFC 2119 , March 1997.
+
+   [RFC2396]
+      Berners-Lee, T., Fielding, R., Masinter, L., "Uniform Resource
+      Identifiers (URI): Generic Syntax", RFC 2396, August 1998.
+
+   [RFC2565]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+   [RFC2566]
+     Herriot, R., Butler, S., Moore, P., Turner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2565, April 1999.
+
+   [RFC2567]
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 84]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+     Wright, D., "Design Goals for an Internet Printing Protocol",
+     draft-ietf-ipp-req-03.txt, November, 1998.
+
+   [RFC2568
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", RFC 2568, April 1999.
+
+   [RFC2569]
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", RFC 2569, April 1999.
+
+   [RFC2616]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Turner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2910, September, 2000.
+
+   [RFC2911]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2911,
+     September, 2000.
+
+   [Servlet]
+     Servlet Specification Version 2.1
+     (http://java.sun.com/products/servlet/2.1/index.html).
+
+
+   [svrloc-printer]
+     St. Pierre, P., Isaacson, S., McDonald, I., "Definition of the
+     Printer Abstract Service Type v2.0", <draft-ietf-svrloc-printer-
+     scheme-06.txt>, work in progress, March 8, 2000.
+
+   [SSL]
+     Netscape, The SSL Protocol, Version 3, (Text version 3.02),
+     November 1996.
+
+
+9  Authors' Address
+
+
+   Thomas N. Hastings
+   Xerox Corporation
+   701 Aviation Blvd.
+   El Segundo, CA 90245
+   hastings@cp10.es.xerox.com
+
+   Carl-Uno Manros
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 85]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   Xerox Corporation
+   701 Aviation Blvd.
+   El Segundo, CA 90245
+   manros@cp10.es.xerox.com
+
+   Carl Kugler
+   Mail Stop 003G
+   IBM Printing Systems Co
+   6300 Diagonal Hwy
+   Boulder CO 80301
+   Kugler@us.ibm.com
+
+   Henrik Holst
+   i-data Printing Systems
+   Vadstrupvej 35-43
+   2880 Bagsvaerd, Denmark
+   hh@I-data.com
+
+
+   Peter Zehler
+   Xerox Corporation
+   800 Philips Road
+   Webster, NY 14580
+   peter.zehler@usa.xerox.com
+
+10 Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999). All Rights Reserved
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the  purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 86]
+
+
+INTERNET-DRAFT       IPP/1.1: Implementer's Guide       January 25, 2001
+
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+   Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.        Expires July 25, 2001                 [page 87]
diff --git a/standards/draft-ietf-ipp-indp-method-04.txt b/standards/draft-ietf-ipp-indp-method-04.txt
new file mode 100644
index 000000000..b87973fb2
--- /dev/null
+++ b/standards/draft-ietf-ipp-indp-method-04.txt
@@ -0,0 +1,1768 @@
+
+
+
+
+
+
+INTERNET-DRAFT                                                Hugo Parra
+<draft-ietf-ipp-indp-method-04.txt>                         Novell, Inc.
+[Target Category:  standards track]                         Tom Hastings
+                                                             Xerox Corp.
+                                                       February 28, 2001
+
+                     Internet Printing Protocol (IPP):
+    The 'indp' Delivery Method for Event Notifications and Protocol/1.0
+
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+Status of this Memo
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+
+   The IPP notification extension document [ipp-ntfy] defines operations
+   that a client can perform in order to create Subscription Objects in
+   a Printer and carry out other operations on them. The Subscription
+   Object specifies that when one of the specified Events occurs, the
+   Printer sends an asynchronous Event Notification to the specified
+   Notification Recipient via the specified Delivery Method (i.e.,
+   protocol).
+
+   The notification extension document [ipp-ntfy] specifies that each
+   Delivery Method is defined in another document. This document is one
+   such document, and it specifies the 'indp' Delivery Method and
+   Protocol.  This Delivery Method is a simple protocol consisting of a
+   single operation: the Send-Notifications operation which uses the
+   same encoding and transport as IPP.  This document defines version
+   '1.0' of the protocol.
+
+   For this Delivery Method, when an Event occurs, the Printer
+   immediately sends (pushes) an Event Notification via the Send-
+
+   Parra, Hastings      Expires: August 28, 2001                [page 1]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   Notifications operation to the Notification Recipient specified in
+   the Subscription Object. The Event Notification content consists of
+   Machine Consumable attributes and a Human Consumable "notify-text"
+   attribute.  The Notification Recipient returns a response to the
+   Printer.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+Parra, Hastings         Expires: August 28, 2001                [page 2]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   The full set of IPP documents includes:
+
+      Design Goals for an Internet Printing Protocol [RFC2567]
+      Rationale for the Structure and Model and Protocol for the
+            Internet Printing Protocol [RFC2568]
+      Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+      Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+      Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+      Mapping between LPD and IPP Protocols [RFC2569]
+      Internet Printing Protocol (IPP):  IPP Event Notification
+            Specification [ipp-ntfy]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Model and Semantics" document
+   describes a simplified model with abstract objects, their attributes,
+   and their operations that are independent of encoding and transport.
+   It introduces a Printer and a Job object.  The Job object optionally
+   supports multiple documents per Job.  It also addresses security,
+   internationalization, and directory issues.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting a message body over HTTP whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ipp'
+   for identifying IPP printers and jobs.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+Parra, Hastings         Expires: August 28, 2001                [page 3]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+   The "Internet Printing Protocol (IPP):  IPP Event Notification
+   Specification" document defines the semantics for Subscription
+   Creation Operations and the requirements for other Delivery Method
+   documents to define a Delivery Method to carry an Event Notifications
+   to a Notification Recipient.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+Parra, Hastings         Expires: August 28, 2001                [page 4]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+
+
+Table of Contents
+
+
+   1  Introduction....................................................7
+
+   2  Terminology.....................................................7
+
+   3  Model and Operation.............................................8
+
+   4  General Information.............................................9
+
+   5  Subscription object attributes.................................12
+   5.1   Subscription Template Attribute Conformance.................12
+   5.2   Additional Information about Subscription Template Attributes12
+   5.2.1   notify-recipient-uri (uri)................................12
+   5.3   Subscription Description Attribute Conformance..............12
+
+   6  Printer Description Attributes.................................12
+   6.1   Printer Description Attribute Conformance...................13
+   6.2   New Values for Existing Printer Description Attributes......13
+   6.2.1   notify-schemes-supported (1setOf uriScheme)...............13
+   6.2.2   operations-supported (1setOf type2 enum)..................13
+
+   7  Attributes Only in Event Notifications.........................13
+
+   8  Operations for Notification....................................14
+   8.1   Send-Notifications operation................................14
+   8.1.1   Send-Notifications Request................................14
+   8.1.2   Send-Notifications Response...............................18
+
+   9  Status Codes...................................................19
+   9.1   Additional Status Codes.....................................19
+   9.1.1   successful-ok-ignored-notifications (0x0004)..............20
+   9.1.2   client-error-ignored-all-notifications (0x0416)...........20
+   9.2   Status Codes returned in Event Notification Attributes Groups20
+   9.2.1   client-error-not-found (0x0406)...........................20
+   9.2.2   successful-ok-but-cancel-subscription (0x0006)............20
+
+   10 Encoding and Transport.........................................21
+   10.1  Encoding of the Operation Layer.............................21
+   10.2  Encoding of Transport Layer.................................21
+
+   11 Conformance Requirements.......................................21
+   11.1  Conformance Requirements for Printers.......................21
+   11.2  Conformance Requirements for INDP Notification Recipients...22
+
+   12 INDP URL Scheme................................................23
+   12.1  INDP URL Scheme Applicability and Intended Usage............23
+
+Parra, Hastings         Expires: August 28, 2001                [page 5]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   12.2  INDP URL Scheme Associated INDP Port........................23
+   12.3  INDP URL Scheme Associated MIME Type........................23
+   12.4  INDP URL Scheme Character Encoding..........................23
+   12.5  INDP URL Scheme Syntax in ABNF..............................23
+   12.5.1  INDP URL Examples.........................................24
+   12.5.2  INDP URL Comparisons......................................25
+
+   13 IANA Considerations............................................26
+   13.1  Operation Registrations.....................................26
+   13.2  Additional values of existing attributes....................26
+   13.2.1  Additional values for the "notify-schemes-supported" Printer
+              attribute..............................................26
+   13.2.2  Additional values for the "operations-supported" Printer
+              attribute..............................................27
+   13.3  Status code Registrations...................................27
+
+   14 Internationalization Considerations............................27
+
+   15 Security Considerations........................................28
+   15.1  Security Conformance........................................28
+
+   16 References.....................................................28
+
+   17 Author's Addresses.............................................30
+
+   18 Full Copyright Statement.......................................30
+
+
+Tables
+
+   Table 1 - Information about the Delivery Method...................10
+   Table 2 - Operation-id assignments................................13
+   Table 3 - Attributes in Event Notification Content................16
+   Table 4 - Additional Attributes in Event Notification Content for Job
+      Events ........................................................17
+   Table 5 - Combinations of Events and Subscribed Events for "job-
+      impressions-completed" ........................................17
+   Table 6 - Additional Attributes in Event Notification Content for
+      Printer Events ................................................18
+   Table 7 - The "event-notification-attributes-tag" value...........21
+
+
+
+
+
+
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001                [page 6]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+
+
+
+1  Introduction
+
+   The notification extension document [ipp-ntfy] defines operations
+   that a client can perform in order to create Subscription Objects in
+   a Printer and carry out other operations on them. A Subscription
+   Object represents a Subscription abstraction. The Subscription Object
+   specifies that when one of the specified Events occurs, the Printer
+   sends an asynchronous Event Notification to the specified
+   Notification Recipient via the specified Delivery Method (i.e.,
+   protocol).
+
+   The notification extension document [ipp-ntfy] specifies that each
+   Delivery Method is defined in another document. This document is one
+   such document, and it specifies the 'indp' Delivery Method.  This
+   Delivery Method is a simple protocol consisting of a single
+   operation: the Send-Notifications operation which uses the same
+   encoding and transport as IPP.  This document defines version '1.0'
+   of the protocol.
+
+   For the 'indp' Delivery Method, an IPP Printer sends (pushes) a Send-
+   Notifications operation request containing one or more Event
+   Notifications to  the Notification Recipient specified in the
+   Subscription Object.  The Event Notification content consists of
+   Machine Consumable attributes and a Human Consumable "notify-text"
+   attribute.
+
+   The Notification Recipient receives the Event Notification as a Send-
+   Notifications operation, in the same way as an IPP Printer receives
+   IPP operations.  The Notification Recipient returns a response to the
+   Printer.
+
+
+2  Terminology
+
+   This section defines the following terms that are used throughout
+   this document:
+
+      Terms such as attributes, keywords, and support.  These terms have
+            special meaning and are defined in the model terminology
+            [RFC2911] section 12.2.
+
+      Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD,
+            SHOULD NOT, MAY, NEED NOT, and OPTIONAL, have special
+            meaning relating to conformance as specified in RFC 2119
+            [RFC2119] and [RFC2911] section 12.1.  These terms refer to
+            conformance to this document, if this document is
+            implemented.
+
+Parra, Hastings         Expires: August 28, 2001                [page 7]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+      Capitalized terms, such as Notification Recipient, Event
+            Notification, Printer, etc.,  that are defined in [ipp-ntfy]
+            with the same meanings and are not reproduced here.
+
+      Event Notification Attributes Group - The attributes group in a
+            request that contains Event Notification Attributes in a
+            request or response.
+
+
+3  Model and Operation
+
+   See [ipp-ntfy] for the description of the Event Notification Model
+   and Operation.  This Delivery Method takes advantage of combining
+   several Event Notifications into a single Compound Event Notification
+   that is delivery by a single Send-Notification operation to a single
+   Notification Recipient.
+
+   When creating each Subscription object, the client supplies the
+   "notify-recipient" (uri) Subscription Template attribute.  The
+   "notify-recipient" attribute specifies both a single Notification
+   Recipient that is to receive the Notifications when subsequent events
+   occur and the method for notification delivery that the IPP Printer
+   is to use.  For the Notification Delivery Method defined in this
+   document, the notification method is 'indp' and the rest of the URI
+   is the address of the Notification Recipient to which the IPP Printer
+   will send the Send-Notifications operation.
+
+   The 'indp' Notification Delivery Method defined in this document uses
+   a client/server protocol paradigm.  The "client" in this relationship
+   is the Printer described in [ipp-ntfy] while the "server" is the
+   Notification Recipient. The Printer invokes the Send-Notifications
+   operation to communicate IPP Event Notification contents to the
+   Notification Recipient. The Notification Recipient only conveys
+   information to the Printer in the form of responses to the operations
+   initiated by the Printer.
+
+   Printers that implement the 'indp' Notification Delivery Method will
+   need to include an HTTP client stack while Notification Recipients
+   that implement this Delivery Method will need to support an HTTP
+   server stack.  See section 10.2 for more details.
+
+   If the client wants the Printer to send Event Notifications via the
+   'indp' Delivery Method, the client MUST choose a value for "notify-
+   recipient-uri" attribute which conforms to the rules of section
+   5.2.1.
+
+   When an Event occurs, the Printer MUST immediately:
+
+   1.Find all pertinent Subscription Objects P according to the rules of
+      section 9 of [ipp-ntfy], AND
+
+Parra, Hastings         Expires: August 28, 2001                [page 8]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   2.Find the subset M of these Subscription Objects P whose "notify-
+      recipient-uri" attribute has a scheme value of 'indp', AND
+
+   3.For each Subscription Object in M, the Printer MUST
+
+     a)generate a Send-Notifications request as specified in section
+       8.1.1 AND
+
+     b)send the Send-Notifications request to the Notification
+       Recipient specified by the address part of the "notify-
+       recipient-uri" attribute value (see section 5.2.1).
+
+   If several events occur sufficiently close to one another for the
+   same or different Subscription objects, but with the same
+   Notification Recipient, the Printer MAY combine them into a single
+   Send-Notifications request using a separate Event Notification
+   Attributes group for each event (see section 8.1.1).
+
+
+4  General Information
+
+   If a Printer supports this Delivery Method, Table 1 lists its
+   characteristics.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001                [page 9]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+              Table 1 - Information about the Delivery Method
+
+
+   Document Method conformance        'indp' realization
+   requirement
+
+
+   1.  What is the URL scheme name    indp
+       for the Delivery Method?
+
+   2.  Is the Delivery Method is      RECOMMENDED
+       REQUIRED, RECOMMENDED, or
+       OPTIONAL for an IPP Printer to
+       support?
+
+   3.  What transport and delivery    A Printer MUST support a
+       protocol does the Printer use  complete HTTP/1.1 stack
+       to deliver the Event           [RFC2616]
+       Notification content, i.e.,
+       what is the entire network
+       stack?
+
+   4.  Can several Event              A Printer implementation MAY
+       Notifications be combined into combine several Event
+       a Compound Event Notification? Notifications into a single
+                                      Event Notifications request as
+                                      separate Event Notification
+                                      Attributes Groups, see section
+                                      8.1.1
+
+   5.  Is the Delivery Method         This Delivery Method is a push.
+       initiated by the Notification
+       Recipient (pull), or by the
+       Printer (push)?
+
+   6.  Is the Event Notification      Machine Consumable with the
+       content Machine Consumable or  "notify-text" attribute being
+       Human Consumable?              Human Consumable
+
+   7.  What section in this document  The representation and encoding
+       answers the following          is the same as IPP.  See
+       question? For a Machine        section 8.1.1
+       Consumable Event Notification,
+       what is the representation and
+       encoding of values defined in
+       section 9.1 of [ipp-ntfy] and
+       the conformance requirements
+       thereof? For a Human
+       Consumable Event Notification,
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 10]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+
+   Document Method conformance        'indp' realization
+   requirement
+
+
+       what is the representation and
+       encoding of pieces of
+       information defined in section
+       9.2 of [ipp-ntfy] and the
+       conformance requirements
+       thereof?
+
+   8.  What are the latency and
+       reliability of the transport   itselfs(see [RFC2911]).IPP/1.1
+       and delivery protocol?
+
+   9.  What are the security aspects              15
+       of the transport and delivery
+       protocol, e.g., how it is      See section 
+       handled in firewalls?
+
+   10. What are the content length    They are the same as for
+       restrictions?                  IPP/1.0 and IPP/1.1 itself (see
+                                      [RFC2911]).
+
+   11. What are the additional values A new Event Notifications
+       or pieces of information that  attribute group (see section
+       a Printer sends in an Event    10.1) and additional status
+       Notification and the           codes for use in the response
+       conformance requirements       (see section 9)
+       thereof?
+
+   12. What are the additional        None
+       Subscription Template and/or
+       Subscription Description
+       attributes and the conformance
+       requirements thereof?
+
+   13. What are the additional        None
+       Printer Description attributes
+       and the conformance
+       requirements thereof?
+
+
+   The remaining sections of this document parallel the sections of
+   [ipp-ntfy].
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 11]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+5  Subscription object attributes
+
+   This section defines the Subscription object conformance requirements
+   for Printers.
+
+
+5.1  Subscription Template Attribute Conformance
+
+   The 'indp' Delivery Method has the same conformance requirements for
+   Subscription Template attributes as defined in [ipp-ntfy].  The
+   'indp' Delivery Method does not define any addition Subscription
+   Template attributes.
+
+
+5.2  Additional Information about Subscription Template Attributes
+
+   This section defines additional information about Subscription
+   Template attributes defined in [ipp-ntfy].
+
+
+5.2.1  notify-recipient-uri (uri)
+
+   This section describes the syntax of the value of this attribute for
+   the 'indp' Delivery Method. The syntax for values of this attribute
+   for other Delivery Method is defined in other Delivery Method
+   Documents.
+
+   In order to support the 'indp' Delivery Method and Protocol, the
+   Printer MUST support the following syntax:
+
+          The 'indp://' URI scheme.  The remainder of the URI indicates
+          the host name or host address (and optional path) of the
+          Notification Recipient that is to receive the Send-
+          Notification operation.
+
+
+5.3  Subscription Description Attribute Conformance
+
+   The 'indp' Delivery Method has the same conformance requirements for
+   Subscription Description attributes as defined in [ipp-ntfy].  The
+   'indp' Delivery Method does not define any addition Subscription
+   Description attributes.
+
+
+6  Printer Description Attributes
+
+   This section defines the Printer Description Attributes conformance
+   requirements for Printers.
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 12]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+6.1  Printer Description Attribute Conformance
+
+   The 'indp' Delivery Method has the same conformance requirements for
+   Printer Description attributes as defined in [ipp-ntfy].  The 'indp'
+   Delivery Method does not define any addition Printer Description
+   attributes.
+
+
+6.2  New Values for Existing Printer Description Attributes
+
+   This section defines additional values for existing Printer
+   Description attributes.
+
+
+6.2.1  notify-schemes-supported (1setOf uriScheme)
+
+   The following "notify-schemes-supported" value is added in order to
+   support the new Delivery Method defined in this document:
+
+      'indp'  - The IPP Notification Delivery Method defined in this
+        document.
+
+6.2.2  operations-supported (1setOf type2 enum)
+
+   Table 2 lists the "operation-id" value added in order to support the
+   new operation defined in this document.  The operation-id is assigned
+   in the same name space as other operations that a Printer supports.
+   However, a Printer MUST NOT include this value in its "operations-
+   supported" attribute unless it can accept the Send-Notifications
+   request.
+
+                    Table 2 - Operation-id assignments
+
+
+     Value        Operation Name
+
+
+     0x001D       Send-Notifications
+
+
+
+
+7  Attributes Only in Event Notifications
+
+   No additional attributes are defined only for use in Event
+   Notifications besides those defined in [ipp-ntfy].
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 13]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+8  Operations for Notification
+
+   This section defines the operation for Event Notification using the
+   'indp' Delivery Method.
+
+   There is only one operation defined:  Send-Notifications.  Section
+   6.2.2 assigns of the "operation-id" for the Send-Notifications
+   operation and the following section defined the operation.
+
+
+8.1  Send-Notifications operation
+
+   This REQUIRED operation allows a Printer to send one or more Event
+   Notifications to a Notification Recipient using HTTP.
+
+   The Printer composes the information defined for an IPP Notification
+   [ipp-ntfy] and sends it using the Sent-Notifications operation to the
+   Notification Recipient supplied in the Subscription object.
+
+   The Send-Notifications operations uses the operations model defined
+   by IPP [RFC2566].  This includes, the use of a URI as the identifier
+   for the target of each operation, the inclusion of a version number,
+   operation-id, and request-id in each request, and the definition of
+   attribute groups. The Send-Notifications operation uses the Operation
+   Attributes group, but currently has no need for the Unsupported
+   Attributes, Printer Object Attributes, and Job-Object Attributes
+   groups. However, it uses a new attribute group, the Event
+   Notification Attributes group.
+
+   The Notification Recipient MUST accept the request in any state.
+   There is no state defined for the Notification Recipient for this
+   Delivery Method.
+
+   Access Rights:  Notification Recipient MAY enforce access rights.  If
+   the Printer receives a rejection with these status codes: 'client-
+   error-forbidden', 'client-error-not-authenticated', or 'client-error-
+   not-authorized' status code , the Printer SHOULD cancel the
+   subscription.
+
+
+8.1.1  Send-Notifications Request
+
+   Every operation request MUST contains the following parameters (see
+   [RFC2911] section 3.1.1):
+
+     - a "version-number"     '1.0' - the version of the 'indp'
+       protocol is '1.0'.
+     - an "operation-id" - the value defined in Table 2
+     - a "request-id" - the request id (see [RFC2911] section 3.1.2).
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 14]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   The following groups of attributes MUST be part of the Send-
+   Notifications Request:
+
+
+   Group 1: Operation Attributes
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as defined in [RFC2911] section 3.1.4.1.
+
+         The Printer MUST use the values of "notify-charset" and
+         "notify-natural-language", respectively, from one Subscription
+         Object associated with the Event Notifications in this request.
+
+         Normally, there is only one matched Subscription Object, or the
+         value of the "notify-charset" and "notify-natural-language"
+         attributes is the same in all Subscription Objects. If not, the
+         Printer MUST pick one Subscription Object from which to obtain
+         the value of these attributes. The algorithm for picking the
+         Subscription Object is implementation dependent. The choice of
+         natural language is not critical because 'text' and 'name'
+         values can override the "attributes-natural-language" Operation
+         attribute. The Printer's choice of charset is critical because
+         a bad choice may leave it unable to send some 'text' and 'name'
+         values accurately.
+
+      Target:
+         A copy of the Subscription object's "notify-recipient-uri"
+         (uri) attribute which is the target of this operation as
+         described in [RFC2911] section 3.1.5, i.e., the URI of the
+         'indp' Notification Recipient (see section 5.2.1).
+
+   Group 2 to N: Event Notification Attributes
+
+         In each group 2 to N, each attribute is encoded using the IPP
+         rules for encoding attributes [RFC2910] and may be encoded in
+         any order.  Note: the Get-Jobs response in [RFC2911] acts as a
+         model for encoding multiple groups of attributes.
+
+         Each Event Notification Group MUST contain all of attributes
+         specified in [ipp-ntfy] section 9.1 ("Content of Machine
+         Consumable Event Notifications") with exceptions denoted by
+         asterisks in the tables below.
+
+         The tables below are copies of the tables in [ipp-ntfy] section
+         9.1 ("Content of Machine Consumable Event Notifications")
+         except that each cell in the "Sends" column is a  "MUST".
+
+         For an Event Notification for all Events, the Printer sends the
+         following attributes.
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 15]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+             Table 3 - Attributes in Event Notification Content
+
+
+     Source Value                               Sends     Source Object
+
+
+     notify-subscription-id (integer(1:MAX))    MUST      Subscription
+
+     notify-printer-uri (uri)                   MUST      Subscription
+
+     notify-subscribed-event (type2 keyword)    MUST      Event
+                                                          Notification
+
+     printer-up-time (integer(MIN:MAX))         MUST      Printer
+
+     printer-current-time (dateTime) *          MUST      Printer
+
+     notify-sequence-number (integer (0:MAX))   MUST      Subscription
+
+     notify-charset (charset)                   MUST      Subscription
+
+     notify-natural-language (naturalLanguage)  MUST      Subscription
+
+     notify-user-data (octetString(63)) **      MUST      Subscription
+
+     notify-text (text (MAX))                   MUST      Event
+                                                          Notification
+
+     attributes from the "notify-attributes"    MUST ***  Printer
+     attribute, if any ***
+
+     attributes from the "notify-attributes"    MUST ***  Job
+     attribute, if any ***
+
+     attributes from the "notify-attributes"    MUST ***  Subscription
+     attribute, if any ***
+
+
+         * The Printer MUST send "printer-current-time" if and only if
+         it supports the "printer-current-time" attribute on the Printer
+         object.
+
+         ** If the associated Subscription Object does not contain a
+         "notify-user-data" attribute, the Printer MUST send an octet-
+         string of length 0.
+
+         *** If the "notify-attributes" attribute is present on the
+         Subscription Object, the Printer MUST send all attributes
+         specified by the "notify-attributes" attribute. Note: if the
+         Printer doesn't support the "notify-attributes" attribute, it
+
+Parra, Hastings         Expires: August 28, 2001               [page 16]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+         is not present on the associated Subscription Object and the
+         Printer does not send any client-requested attributes.
+
+         For Event Notifications for Job Events, the Printer sends the
+         following additional attributes shown in Table 4.
+
+      Table 4 - Additional Attributes in Event Notification Content for
+                                 Job Events
+
+
+     Source Value                               Sends     Source Object
+
+
+     job-id (integer(1:MAX))                    MUST      Job
+
+     job-state (type1 enum)                     MUST      Job
+
+     job-state-reasons (1setOf type2 keyword)   MUST      Job
+
+     job-impressions-completed                  MUST      Job
+     (integer(0:MAX)) *
+
+
+         *  The Printer MUST send the "job-impressions-completed"
+         attribute in an Event Notification only for the combinations of
+         Events and Subscribed Events shown in Table 5.
+
+
+
+      Table 5 - Combinations of Events and Subscribed Events for "job-
+                           impressions-completed"
+
+
+     Job Event                  Subscribed Job Event
+
+
+     'job-progress'             'job-progress'
+
+     'job-completed'            'job-completed'
+
+     'job-completed'            'job-state-changed'
+
+
+         For Event Notification for Printer Events, the Printer sends
+         the following additional attributes shown in Table 6.
+
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 17]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+      Table 6 - Additional Attributes in Event Notification Content for
+                               Printer Events
+
+
+     Source Value                                  Sends  Source Object
+
+
+     printer-state (type1 enum)                    MUST   Printer
+
+     printer-state-reasons (1setOf type2 keyword)  MUST   Printer
+
+     printer-is-accepting-jobs (boolean)           MUST   Printer
+
+
+
+8.1.2  Send-Notifications Response
+
+   The Notification Recipient MUST return (to the client which is the
+   Printer) the following sets of attributes as part of a Send-
+   Notifications response:
+
+   Every operation response contains the following REQUIRED parameters
+   (see [RFC2911] section 3.1.1}:
+
+     - a "version-number"
+     - a "status-code"
+     - the "request-id" that was supplied in the corresponding request
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         As defined in [RFC2911].
+
+         The Notification Recipient can return any status codes defined
+         in [RFC2911] and section 9.1 that applies to all of the Event
+         Notification Attribute groups. The following is a description
+         of the important status codes:
+
+            'successful-ok': the Notification Recipient received all of
+               the Event Notification Attribute Groups and was expecting
+               each of them.
+
+            'successful-ok-ignored-notifications': the Notification
+               Recipient was able to consume some, but not all of the
+               Event Notification Attributes Groups sent. The Event
+               Notification Attributes Groups with a "notify-status-
+               code" attribute are the ones that were ignored or are to
+               be canceled.
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 18]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+            'client-error-ignored-all-notifications': the Notification
+               Recipient was unable to consume any of the Event
+               Notification Attributes Groups sent. The Event
+               Notification Attributes Groups with a "notify-status-
+               code" attribute are the ones that were ignored or are to
+               be canceled.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as defined in [RFC2911] section 3.1.4.1.
+
+   Group 2 to N: Notification Attributes
+
+   These groups MUST be returned if and only if the "status-code"
+   parameter returned in Group 1 is anything but the 'successful-ok'
+   status code.
+
+      "notify-status-code" (type2 enum)
+         Indicates whether the Notification Recipient was able to
+         consume the n-th Notification Report as follows:
+
+            'successful-ok' - this Event Notification Attribute Group
+               was consumed
+            'client-error-not-found' - this Event Notification
+               Attribute Group was not able to be consumed.  The Printer
+               MUST cancel the Subscription and MUST NOT attempt to send
+               any further Event Notifications from the associated
+               Subscription object.
+            'successful-ok-but-cancel-subscription' - the Event
+               Notification Attribute Group was consumed, but the
+               Notification Recipient wishes to cancel the Subscription
+               object.  The Printer MUST cancel the Subscription and
+               MUST NOT attempt to send any further Event Notifications
+               from the associated Subscription object.
+
+9  Status Codes
+
+   This section lists status codes whose meaning have been extended
+   and/or defined for returning in Event Notification Attribute Groups
+   as the value of the "notify-status-code" operation attribute.  The
+   code values are allocated in the same space as the status codes in
+   [RFC2911].
+
+
+9.1  Additional Status Codes
+
+   The following status codes are defined as extensions for Notification
+   and are returned as the value of the "status-code" parameter in the
+   Operation Attributes Group of a response (see [RFC2911] section
+   3.1.6.1). Operations in this document can also return the status
+
+Parra, Hastings         Expires: August 28, 2001               [page 19]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   codes defined in section 13 of [RFC2911]. The 'successful-ok' status
+   code is an example of such a status code.
+
+
+9.1.1  successful-ok-ignored-notifications (0x0004)
+
+   The Notification Recipient was able to consume some, but not all, of
+   the Event Notifications Attributes Groups sent by the Printer in the
+   Send-Notifications request.  See section 8.1.2 for further details.
+
+
+9.1.2  client-error-ignored-all-notifications (0x0416)
+
+   The Notification Recipient was unable to consume any of the Event
+   Notification Attributes Groups sent by the Printer. The Event
+   Notification Attributes Groups with a "notify-status-code" attribute
+   are the ones that were ignored or are to be canceled.
+
+
+9.2  Status Codes returned in Event Notification Attributes Groups
+
+   This section contains values of the "notify-status-code" attribute
+   that the Notification Recipient returns in a Event Notification
+   Attributes Group in a response when the corresponding Event
+   Notification Attributes Group in the request:
+
+     1.was not consumed OR
+
+     2.was consumed, but the Notification Recipient wants to cancel the
+       corresponding Subscription object
+
+   The following sections are ordered in decreasing order of importance
+   of the status-codes.
+
+
+9.2.1  client-error-not-found (0x0406)
+
+   This status code is defined in [RFC2911]. This document extends its
+   meaning and allows it to be returned in an Event Notification
+   Attributes Group of a response.
+
+   The Notification Recipient was unable to consume this Event
+   Notification Attributes Group because it was not expected.  See
+   section 8.1.2 for further details.
+
+
+9.2.2  successful-ok-but-cancel-subscription (0x0006)
+
+   The Notification Recipient was able to consume this Event
+   Notification Attributes Group that the Printer sent, but wants the
+
+Parra, Hastings         Expires: August 28, 2001               [page 20]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   corresponding Subscription object to be canceled none-the-less.  See
+   section 8.1.2 for further details.
+
+
+10 Encoding and Transport
+
+   This section defines the encoding and transport used by the 'indp'
+   Delivery Method.
+
+
+10.1 Encoding of the Operation Layer
+
+   The 'indp' Delivery Method uses the IPP operation layer encoding
+   described in [RFC2910] and the Event Notification Attributes Group
+   tag allocated by [ipp-ntfy] as shown in Table 7:
+
+          Table 7 - The "event-notification-attributes-tag" value
+
+
+   Tag Value (Hex)    Meaning
+
+
+   0x07               "event-notification-attributes-tag"
+
+
+
+10.2 Encoding of Transport Layer
+
+   The 'indp' Notification Delivery Method uses the IPP transport layer
+   encoding described in [RFC2910].
+
+   It is REQUIRED that an 'indp' Notification Recipient implementation
+   support HTTP over the IANA assigned Well Known Port assigned to the
+   'indp' Delivery Method as its default port by IANA (see section 13),
+   though a Notification Recipient implementation MAY support HTTP over
+   some other port as well.
+
+
+11 Conformance Requirements
+
+   This section defines conformance requirements for Printers and
+   Notification Recipients.
+
+
+11.1 Conformance Requirements for Printers
+
+   The 'indp' Delivery Method is RECOMMENDED for a Printer to support.
+
+   IPP Printers that conform to this specification:
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 21]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   1.MUST meet the conformance requirements defined in [ipp-ntfy].
+
+   2.MUST support the conformance requirements for Subscription object
+     attributes defined in section 5, including the syntax for the
+     "notify-recipient-uri" Subscription Object attribute defined in
+     section 5.2.1.
+
+   3.MUST support the conformance requirements for Printer Description
+     object attributes defined in section 6.
+
+   4.MUST support the 'indp' protocol by sending Event Notifications
+     using the Send-Notifications operation defined in section 8.1.
+
+   5.MUST send INDP URLs (e.g., in the "notify-recipient-uri" attribute
+     in 'Send-Notifications') that conform to the ABNF specified in
+     section 12.5 of this document;
+
+   6.MUST send INDP operations via the port specified in the INDP URL
+     (if present) or otherwise via IANA assigned well-known port [TBD];
+
+   7.MUST convert INDP URLs to their corresponding HTTP URL forms by
+     the same rules used to convert IPP URLs to their corresponding
+     HTTP URL forms (see section 5 'IPP URL Scheme' in [RFC2910]).
+
+
+11.2 Conformance Requirements for INDP Notification Recipients
+
+   INDP Notification Recipients that conform to this specification:
+
+   1.MUST accept Send-Notifications requests and return Send-
+     Notifications responses as defined in sections 8 and 9.
+
+   2.SHOULD reject received INDP URLs in "application/ipp" request
+     bodies (e.g., in the "notify-recipient-uri" attribute in 'Send-
+     Notifications') that do not conform to the ABNF for INDP URLs
+     specified in section 12.5 of this document;
+
+   3.MUST listen for INDP operations on IANA-assigned well-known port
+     [TBD], unless explicitly configured by system administrators or
+     site policies;
+
+   4.SHOULD NOT listen for INDP operations on any other port, unless
+     explicitly configured by system administrators or site policies.
+
+
+
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 22]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+12 INDP URL Scheme
+
+
+12.1 INDP URL Scheme Applicability and Intended Usage
+
+   This section is intended for use in registering the "indp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC2717].  This
+   document defines the "indp" URL (Uniform Resource Locator) scheme for
+   specifying the location of an INDP Notification Recipient object
+   which implements IPP Notification Delivery Protocol (INDP) specified
+   in this document.
+
+   The intended usage of the "indp" URL scheme is COMMON.
+
+
+12.2 INDP URL Scheme Associated INDP Port
+
+   All INDP URLs which do NOT explicitly specify a port MUST be used
+   over IANA-assigned well-known port [TBD] for the INDP protocol.
+
+   See:  IANA Port Numbers Registry [IANA-PORTREG].
+
+
+12.3 INDP URL Scheme Associated MIME Type
+
+   All INDP protocol operations (requests and responses) MUST be
+   conveyed in an "application/ipp" MIME media type as registered in
+   [IANA-MIMEREG].  INDP URLs MUST refer to INDP Notification Recipient
+   objects which support this "application/ipp" MIME media type.
+
+   See:  IANA MIME Media Types Registry [IANA-MIMEREG].
+
+
+12.4 INDP URL Scheme Character Encoding
+
+   The INDP URL scheme defined in this document is based on the ABNF for
+   the HTTP URL scheme defined in HTTP/1.1 [RFC2616], which is derived
+   from the URI Generic Syntax [RFC2396] and further updated by
+   [RFC2732] and [RFC2373] (for IPv6 addresses in URLs).  The INDP URL
+   scheme is case-insensitive in the host name or host address part;
+   however the path part is case-sensitive, as in [RFC2396].  Code
+   points outside [US-ASCII] MUST be hex escaped by the mechanism
+   specified in [RFC2396].
+
+
+12.5 INDP URL Scheme Syntax in ABNF
+
+   This section is intended for use in registering the "indp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC2717].  This
+   document defines the "indp" URL (Uniform Resource Locator) scheme for
+
+Parra, Hastings         Expires: August 28, 2001               [page 23]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   specifying the location of an INDP Notification Recipient object
+   which implements IPP Notification Delivery Protocol (INDP) specified
+   in this document.
+
+   The intended usage of the "indp" URL scheme is COMMON.
+
+   The IPP protocol places a limit of 1023 octets (NOT characters) on
+   the length of a URI (see section 4.1.5 'uri' in [RFC2911]).  An INDP
+   Notification Recipient MUST return 'client-error-request-value-too-
+   long' (see section 13.1.4.10 in [RFC2911]) when a URI received in a
+   request is too long.
+
+   Note:  INDP Notification Recipients ought to be cautious about
+   depending on URI lengths above 255 bytes, because some older client
+   or proxy implementations might not properly support these lengths.
+
+   INDP URLs MUST be represented in absolute form.  Absolute URLs always
+   begin with a scheme name followed by a colon.  For definitive
+   information on URL syntax and semantics, see "Uniform Resource
+   Identifiers (URI): Generic Syntax and Semantics" [RFC2396].  This
+   specification adopts the definitions of "port", "host", "abs_path",
+   and "query" from [RFC2396], as updated by [RFC2732] and [RFC2373]
+   (for IPv6 addresses in URLs).
+
+   The INDP URL scheme syntax in ABNF is as follows:
+
+     indp_URL = "indp:" "//" host [ ":" port ] [ abs_path [ "?" query ]]
+
+   If the port is empty or not given, IANA-assigned well-known port
+   [TBD] is assumed.  The semantics are that the identified resource
+   (see section 5.1.2 of [RFC2616]) is located at the INDP Notification
+   Recipient listening for HTTP connections on that port of that host,
+   and the Request-URI for the identified resource is 'abs_path'.
+
+   Note:  The use of IP addresses in URLs SHOULD be avoided whenever
+   possible (see [RFC1900]).
+
+   If the 'abs_path' is not present in the URL, it MUST be given as "/"
+   when used as a Request-URI for a resource (see section 5.1.2 of
+   [RFC2616]).  If a proxy receives a host name which is not a fully
+   qualified domain name, it MAY add its domain to the host name it
+   received.  If a proxy receives a fully qualified domain name, the
+   proxy MUST NOT change the host name.
+
+
+12.5.1 INDP URL Examples
+
+   The following are examples of valid INDP URLs for Notification
+   Recipient objects (using DNS host names):
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 24]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+     indp://abc.com
+     indp://abc.com/listener
+
+   Note:  The use of IP addresses in URLs SHOULD be avoided whenever
+   possible (see [RFC1900]).
+
+   The following literal IPv4 addresses:
+
+     192.9.5.5                    ; IPv4 address in IPv4 style
+     186.7.8.9                    ; IPv4 address in IPv4 style
+
+   are represented in the following example INDP URLs:
+
+     indp://192.9.5.5/listener
+     indp://186.7.8.9/listeners/tom
+
+   The following literal IPv6 addresses (conformant to [RFC2373]):
+
+     ::192.9.5.5                  ; IPv4 address in IPv6 style
+     ::FFFF:129.144.52.38         ; IPv4 address in IPv6 style
+     2010:836B:4179::836B:4179    ; IPv6 address per RFC 2373
+
+   are represented in the following example INDP URLs:
+
+     indp://[::192.9.5.5]/listener
+     indp://[::FFFF:129.144.52.38]/listener
+     indp://[2010:836B:4179::836B:4179]/listeners/tom
+
+
+12.5.2 INDP URL Comparisons
+
+   When comparing two INDP URLs to decide if they match or not, an INDP
+   Client SHOULD use a case-sensitive octet-by-octet comparison of the
+   entire URLs, with these exceptions:
+
+     . A port that is empty or not given is equivalent to the well-
+       known port for that INDP URL (port [TBD]);
+
+     . Comparisons of host names MUST be case-insensitive;
+
+     . Comparisons of scheme names MUST be case-insensitive;
+
+     . An empty 'abs_path' is equivalent to an 'abs_path' of "/".
+
+  Characters other than those in the "reserved" and "unsafe" sets (see
+  [RFC2396] and [RFC2732]) are equivalent to their ""%" HEX HEX"
+  encoding.
+
+  For example, the following three URIs are equivalent:
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 25]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+     indp://abc.com/~smith/listener
+     indp://ABC.com/%7Esmith/listener
+     indp://ABC.com:/%7esmith/listener
+
+
+13 IANA Considerations
+
+   IANA is requested to register the indp URL scheme as defined in
+   section 12.
+
+   IANA is requested to assign a default system port (less than 1024)
+   for use with the indp URL as defined in section 12.
+
+   The rest of this section contains the exact information for IANA to
+   add to the IPP Registries according to the procedures defined in RFC
+   2911 [RFC2911] section 6.
+
+     Note to RFC Editors:  Replace RFC NNNN below with the RFC number
+     for this document, so that it accurately reflects the content of
+     the information for the IANA Registry.
+
+
+13.1 Operation Registrations
+
+   The operations defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.4 with
+   the following path:
+
+       ftp.isi.edu/iana/assignments/ipp/operations/
+
+   The registry entry will contain the following information:
+
+   Operations:                                       Ref.    Section:
+   Send-Notifications operation                      RFC NNNN   8.1
+
+
+13.2 Additional values of existing attributes
+
+
+13.2.1 Additional values for the "notify-schemes-supported" Printer
+       attribute
+
+   The "notify-schemes-supported" uriScheme attribute value defined in
+   this document will be published by IANA according to the procedures
+   in RFC 2911 [RFC2911] section 6.1 with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-values/notify-schemes-
+     supported/
+
+   The registry entry will contain the following information:
+
+Parra, Hastings         Expires: August 28, 2001               [page 26]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+                                                     Ref.    Section:
+   indp                                              RFC NNNN  6.2.1
+
+
+13.2.2 Additional values for the "operations-supported" Printer
+       attribute
+
+   The "operations-supported" type2 enum attribute value defined in this
+   document will be published by IANA according to the procedures in RFC
+   2911 [RFC2911] section 6.1 with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-values/operations-
+     supported/
+
+   The registry entry will contain the following information:
+
+                                        Value       Ref.    Section:
+   Send-Notifications                   0x001D       RFC NNNN  6.2.1
+
+
+13.3 Status code Registrations
+
+   The status codes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.6 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/status-codes/
+
+   The registry entry will contain the following information:
+
+   Status codes:                                   Ref.     Section:
+   successful-ok-ignored-notifications (0x0004)    RFC NNNN    9.1.1
+   client-error-ignored-all-notifications (0x0416) RFC NNNN    9.1.2
+
+
+
+14 Internationalization Considerations
+
+   When the client requests Human Consumable form by supplying the
+   "notify-text-format" operation attribute (see [ipp-ntfy]), the IPP
+   Printer (or any Notification Service that the IPP Printer might be
+   configured to use) supplies and localizes the text value of the
+   "human-readable-report" attribute in the Notification according to
+   the charset and natural language requested in the notification
+   subscription.
+
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 27]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+15 Security Considerations
+
+   The IPP Model and Semantics document [RFC2911] discusses high level
+   security requirements (Client Authentication, Server Authentication
+   and Operation Privacy). Client Authentication is the mechanism by
+   which the client proves its identity to the server in a secure
+   manner. Server Authentication is the mechanism by which the server
+   proves its identity to the client in a secure manner. Operation
+   Privacy is defined as a mechanism for protecting operations from
+   eavesdropping.
+
+   The Notification Recipient can cancel unwanted Subscriptions created
+   by other parties without having to be the owner of the subscription
+   by returning the 'successful-ok-but-cancel-subscription' status code
+   in the Send-Notifications response returned to the Printer.
+
+15.1 Security Conformance
+
+   Printers (client) MAY support Digest Authentication [RFC2617].  If
+   Digest Authentication is supported, then MD5 and MD5-sess MUST be
+   supported, but the Message Integrity feature NEED NOT be supported.
+
+   Notification Recipient (server) MAY support Digest Authentication
+   [RFC2617].  If Digest Authentication is supported, then MD5 and MD5-
+   sess MUST be supported, but the Message Integrity feature NEED NOT be
+   supported.
+
+   Notification Recipients MAY support TLS for client authentication,
+   server authentication and operation privacy. If a Notification
+   Recipient supports TLS, it MUST support the
+   TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA cipher suite as mandated by RFC
+   2246 [RFC2246]. All other cipher suites are OPTIONAL. Notification
+   recipients MAY support Basic Authentication (described in HTTP/1.1
+   [RFC2616]) for client authentication if the channel is secure. TLS
+   with the above mandated cipher suite can provide such a secure
+   channel.
+
+
+16 References
+
+
+   [ipp-iig]
+     Hastings, T., Manros, C., Kugler, K, Holst H., Zehler, P.,
+     "Internet Printing Protocol/1.1:  draft-ietf-ipp-implementers-
+     guide-v11-02.txt, work in progress, January 25, 2001
+
+
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 28]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   [ipp-ntfy]
+     Isaacson, S., Martin, J., deBry, R., Hastings, T., Shepherd, M.,
+     Bergman, R., "Internet Printing Protocol/1.1: IPP Event
+     Notification Specification", <draft-ietf-ipp-not-spec-06.txt>,
+     January 24, 2001.
+
+   [IANA-MIMEREG]
+     IANA MIME Media Types Registry.  ftp://ftp.isi.edu/in-
+
+     notes/iana/assignments/media-types/
+
+
+   [IANA-PORTREG]
+     IANA Port Numbers Registry.  ftp://ftp.isi.edu/in-
+
+     notes/iana/assignments/port-numbers
+
+
+   [RFC1900]
+     B. Carpenter, Y. Rekhter.  Renumbering Needs Work, RFC 1900,
+     February 1996.
+
+   [RFC2026]
+     S. Bradner, "The Internet Standards Process -- Revision 3", RFC
+     2026, October 1996.
+
+   [RFC2373]
+     R. Hinden, S. Deering.  IP Version 6 Addressing Architecture, RFC
+     2373, July 1998.
+
+   [RFC2396]
+     Berners-Lee, T. et al.  Uniform Resource Identifiers (URI): Generic
+     Syntax, RFC 2396, August 1998
+
+   [RFC2616]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+   [RFC2617]
+     J. Franks, P. Hallam-Baker, J. Hostetler, S. Lawrence, P. Leach, A.
+     Luotonen, L. Stewart, "HTTP Authentication: Basic and Digest Access
+     Authentication", RFC 2617, June 1999.
+
+   [RFC2717]
+     R. Petke and I. King, "Registration Procedures for URL Scheme
+     Names", RFC 2717, November 1999.
+
+
+
+
+Parra, Hastings         Expires: August 28, 2001               [page 29]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   [RFC2732]
+     R. Hinden, B. Carpenter, L. Masinter.  Format for Literal IPv6
+     Addresses in URL's, RFC 2732, December 1999.
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", RFC 2910, September 2001.
+
+   [RFC2911]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.1: Model and Semantics", RFC 2911,
+     September 2001.
+
+
+17 Author's Addresses
+
+     Hugo Parra
+     Novell, Inc.
+     1800 South Novell Place
+
+      Provo, UT   84606
+
+     Phone: 801-861-3307
+     Fax:   801-861-2517
+     e-mail: hparra@novell.com
+
+     Tom Hastings
+     Xerox Corporation
+     737 Hawaii St.  ESAE 231
+     El Segundo, CA   90245
+
+     Phone: 310-333-6413
+     Fax:   310-333-5514
+     e-mail: hastings@cp10.es.xerox.com
+
+
+18 Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the  purpose of
+   developing Internet standards in which case the procedures for
+
+Parra, Hastings         Expires: August 28, 2001               [page 30]
+
+
+INTERNET-DRAFT   IPP: The 'indp' Method and Protocol  February 28, 2001
+
+
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
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+Parra, Hastings         Expires: August 28, 2001               [page 31]
diff --git a/standards/draft-ietf-ipp-install-02.txt b/standards/draft-ietf-ipp-install-02.txt
new file mode 100644
index 000000000..6319c431e
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+++ b/standards/draft-ietf-ipp-install-02.txt
@@ -0,0 +1,1426 @@
+
+
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+
+
+INTERNET-DRAFT
+<draft-ietf-ipp-install-02.txt>
+[Target category:  standards track]                           Hugo Parra
+                                                            Novell, Inc.
+                                                             Ted Tronson
+                                                            Novell, Inc.
+                                                            Tom Hastings
+                                                             Xerox Corp.
+                                                       February 28, 2001
+                     Internet Printing Protocol (IPP):
+                      Printer Installation Extension
+
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+Status of this Memo
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+
+   Various client platforms require that some setting up take place at
+   the workstation before the client can properly submit jobs to a
+   specific printer.   This setup process is sometimes referred to as
+   printer installation.  Most clients need some information about the
+   printer being installed as well as support files to complete the
+   printer installation.  The nature of the support files varies
+   depending on the specific client platform, from simple configuration
+   files to highly sophisticated printer drivers.  This document refers
+   to these support files as "Client Print Support Files".
+   Traditionally, the selection and installation of the correct Client
+   Print Support Files has been error prone.  The selection and
+   installation process can be simplified and even automated if the
+   workstation can learn some key information about the printer and
+   which sets of Client Print Support Files are available.  Such key
+   information includes: operating system type, CPU type, document-
+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 1]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   format (PDL), natural language, compression mechanism, file type,
+   client file name, policy for automatic loading, file size, file
+   version, file date and time, file information description, and
+   digital signature. This document describes the IPP extensions that
+   enable workstations to obtain the information needed to perform a
+   proper printer driver installation using IPP, including security for
+   downloading executable code and data.
+
+
+
+
+
+
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+Parra, Tronson, Hastings    Expires August 28, 2001            [page 2]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   The full set of IPP documents includes:
+
+      Design Goals for an Internet Printing Protocol [RFC2567]
+      Rationale for the Structure and Model and Protocol for the
+        Internet Printing Protocol [RFC2568]
+      Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+      Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+      Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+      Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting a message body over HTTP whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ipp'
+   for identifying IPP printers and jobs.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 3]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+
+Table of Contents
+
+   1  Introduction....................................................6
+
+
+   2  Terminology.....................................................6
+
+
+   3  Model Extensions................................................7
+
+   3.1   client-print-support-files-supported (1setOf octetString(MAX))
+
+            ..........................................................7
+   3.1.1 Use of Keyword Values in fields.............................12
+
+   3.1.2 Use of the Special Keyword Value: 'unknown'.................12
+
+   3.1.3 Examples of "client-print-support-files-supported" attribute
+
+              values.................................................12
+
+   3.2   Get-Printer-Attributes Operation Extension..................13
+
+   3.2.1 Get-Printer-Attributes Request..............................13
+
+   3.2.1.1  client-print-support-files-filter (octetString(MAX))
+
+                operation attribute..................................13
+
+   3.2.1.1.1   Filter matching rules.................................15
+
+   3.2.2 Get-Printer-Attributes Response.............................16
+
+   3.3   Get-Client-Print-Support-Files..............................17
+
+   3.3.1 Get-Client-Print-Support-Files Request......................17
+
+   3.3.2 Get-Client-Print-Support-Files Response.....................18
+
+
+   4  Conformance....................................................19
+
+
+   5  Encoding of the Operation Layer................................20
+
+
+   6  Encoding of Transport Layer....................................20
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 4]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   7  IANA Considerations............................................20
+
+   7.1   Attribute Registrations.....................................21
+
+   7.2   Operation Registrations.....................................22
+
+
+   8  Internationalization Considerations............................22
+
+
+   9  Security Considerations........................................22
+
+
+   10 References.....................................................23
+
+
+   11 Author's Addresses.............................................24
+
+
+   12 Full Copyright Statement.......................................25
+
+
+
+Tables
+
+   Table 1 - "client-print-support-files-supported" attribute fields..9
+
+   Table 2 - "client-print-support-files-filter" attribute fields....14
+
+   Table 3 - REQUIRED "client-print-support-files-filter" fields.....14
+
+
+
+
+
+
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+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 5]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+1  Introduction
+
+   A common configuration for printing from a workstation requires that
+   some Client Print Support Files (e.g., PPD, printer driver files)
+   specific to the target printer be installed on that workstation.
+   Selection and configuration of the appropriate Client Print Support
+   Files can be simplified and even automated if the workstation can
+   obtain some key information about the printer and which sets of
+   Client Print Support Files are available.  Such key information
+   includes: operating system type, CPU type, document-format (PDL),
+   natural language, compression mechanism, file type, client file name,
+   policy for automatic loading, file size, file version, file date and
+   time, file information description, and digital signature.  With a
+   few extensions, IPP provides a simple and reliable vehicle for
+   printers to convey this information to interested workstations.  The
+   IPP extensions described in this document enable a flexible solution
+   for installing Client Print Support Files on workstations running
+   different operating systems and for printers of all makes and models.
+   It allows Client Print Support Files to be downloaded from
+   repositories of different sorts.  A possible repository for the files
+   is the printer itself.  The extensions necessary for getting Client
+   Print Support Files from the printer are included in this document,
+   including security for downloading executable code and data.
+
+
+2  Terminology
+
+   Client Print Support Files - a set of files, such as a printer
+   driver, font metric file, printer configuration file (PPD, GPD, etc.)
+   that support a client printing to a particular Printer.  A Printer
+   MAY have multiple sets of Client Print Support Files that work for
+   different operating systems, document formats, natural languages,
+   CPUs, etc.
+
+   This document uses terms such as "attributes", "keywords", and
+   "support".  These terms have special meaning and are defined in the
+   model terminology [RFC2911] section 12.2.  This document also uses
+   the terms "IPP Printer", "Printer" and "Printer object"
+   interchangeably as in [RFC2911] to mean the software entity that
+   accepts IPP operation requests and returns IPP operation responses
+   (see [RFC2911] section 2).
+
+   Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD
+   NOT, MAY, NEED NOT, and OPTIONAL, have special meaning relating to
+   conformance.  These terms are defined in [RFC2911] section 12.1 on
+   conformance terminology, most of which is taken from RFC 2119
+   [RFC2119].
+
+   This section defines the following additional terms that are used
+   throughout this document:
+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 6]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+      REQUIRED: if an implementation supports the extensions described
+        in this document, it MUST support a REQUIRED feature.
+      OPTIONAL: if an implementation supports the extensions described
+        in this document, it MAY support an OPTIONAL feature.
+
+3  Model Extensions
+
+   To assist workstations in the printer installation process, an IPP
+   printer needs to provide the workstation with information about the
+   Client Print Support Files, such as the their name and location/s.
+   This information needs to match the workstation's specific
+   environment, such as its operating system, preferred natural
+   language, and preferred document format.
+
+   The following extensions to the IPP model enable assisted or
+   automated printer installation.  This section describes each
+   extension in detail.
+
+
+     - A new REQUIRED Printer Description attribute: "client-print-
+       support-files-supported" (1setOf octetString(MAX)).
+     - A new REQUIRED Get-Printer-Attributes operation attribute:
+       "client-print-support-files-filter" (octetString(MAX)).
+     - A new RECOMMENDED printer operation: Get-Client-Print-Support-
+       Files.
+
+
+3.1 client-print-support-files-supported (1setOf octetString(MAX))
+
+   An IPP Printer uses the REQUIRED Printer Description attribute
+   "client-print-support-files-supported" to represent relevant
+   information about all of the Client Print Support Files it supports.
+   Each value is a composite UTF-8 string with well-defined fields (see
+   Table 1).  Each value string MUST be formatted as follows:
+
+   "uri=val1< field-name2=val21,_,val2p< _ < field-namen=valn1,_,valnq<"
+
+   The first field MUST be the "uri" field.  The remaining fields MAY be
+   in any order.
+
+   The string MUST NOT include any control characters (hex 00 to 1F),
+   even the so-called white space control characters (TAB, CR, and LF)
+   anywhere.  Only zero or more UTF-8 SPACE characters (hex 20) can be
+   included and they can be included only IMMEDIATELY AFTER the
+   delimiter character: "<", but NOT anywhere else, including after "="
+   and ",".  However, if the UTF-8 SPACE character is needed in a
+   client-file-name value, then each occurrence is included directly,
+   without escaping (see example).  On the other hand, if the UTF-8
+   SPACE character is needed in a URL value, then each occurrence is
+   escaped as: "%20" (URI conventions - see [RFC2396]).
+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 7]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   Table 1 lists the REQUIRED fields that a Printer MUST support and the
+   OPTIONAL fields that a Printer MAY support in the "client-print-
+   support-files-supported" (1setOf octetString(MAX)) Printer
+   Description attribute.  A Printer implementation MAY support
+   additional fields using the same syntax.  Values are defined to be
+   either CASE-SENSITIVE or ALL-LOWER-CASE according to the definitions
+   for the attribute syntaxes from [RFC2911] (set off by single quotes
+   in the table).  The CASE-SENSITIVE values MAY have upper and lower
+   case letters as for the corresponding attribute syntaxes in
+   [RFC2911].  The LOWER-CASE values MUST have all lower case alphabetic
+   letters.  Additional characters, such as digits, hyphen-minus (-),
+   period (.), and slash (/) are according to the corresponding
+   attribute syntaxes in [RFC2911].
+
+   Clients SHOULD ignore fields they don't recognize in a given value.
+   This allows for future extensions to the format of the string without
+   breaking compatibility with earlier clients.
+
+
+
+
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+Parra, Tronson, Hastings    Expires August 28, 2001            [page 8]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+     Table 1 - "client-print-support-files-supported" attribute fields
+
+
+   Field      Field value
+   name
+
+
+   "uri"      One REQUIRED CASE-SENSITIVE 'uri' string identifying the
+              uri where to obtain the support files for each OS
+              platform, document format, and natural language the
+              printer supports.  This MUST be the first field in each
+              value.  Examples of uri schemes that MAY be found here
+              are 'ftp', 'http', and 'ipp'.  The 'ftp' and 'http'
+              schemed URIs identify the archive file that contains all
+              the necessary client support files.
+
+              The 'ipp' schemed URIs identify the archive file that
+              clients MAY obtain from the Printer using the Get-
+              Client-Print-Support-Files operation (see section 3.3).
+              The URI MUST be a valid URI to the same Printer object,
+              i.e., one of the values of the Printer's "printer-uri-
+              supported" attribute.  The 'ipp' URI is used to
+              distinguish between multiple Client Print Support Files
+              in an implementation dependent manner using the URL
+              query syntax (e.g.,  "?drv-id=xxx") [RFC2396].  The
+              query part MUST NOT exceed 127 octets, not counting the
+              "?" character that begins the query part.  A Printer
+              SHOULD support the 'ipp' scheme.
+
+   "os-type"  One or more REQUIRED comma-separated LOWER-CASE
+              'keyword' strings identifying the operating system types
+              supported by this set of Client Print Support Files.
+              Valid values are the operating system names defined in
+              the IANA document [os-names] and the special keyword
+              value: 'unknown'. Although the IANA registry requires
+              that the names be all upper-case, the values MUST be all
+              lower case in this field (plus hyphen-minus (-), period
+              (.), and slash (/)).   Examples: 'linux', 'linux-2.2',
+              'os/2', 'sun-os-4.0', 'unix', 'unix-bsd', 'win32',
+              'windows-95', 'windows-98', 'windows-ce', 'windows-nt',
+              'windows-nt-4', 'windows-nt-5', 'unknown'.
+
+   "cpu-      One or more REQUIRED comma-separated LOWER-CASE
+   type"      'keyword' strings identifying the CPU types supported by
+              this set of Client Print Support Files.  The values
+              indicate the CPU family independent of the CPU
+              manufacturer.  Valid keyword values are:  'x86-16',
+              'x86-32', 'x86-64', 'dec-vax', 'alpha', 'power-pc', 'm-
+              68000, 'sparc', 'itantium', 'mips', 'arm' and will be
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001            [page 9]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+
+   Field      Field value
+   name
+
+
+              used as the initial value for the "cpu-type" IANA
+              registry.  In addition, the special keyword value:
+              'unknown' is valid.
+
+   "document  One or more REQUIRED comma-separated CASE-SENSITIVE
+   -format"   'mimeMediaType' strings identifying the document formats
+              supported by this set of Client Print Support Files.
+              Valid values are the string representation of the IPP
+              mimeMediaType attribute syntax (see [RFC2911] section
+              4.1.9), for example 'application/postscript'.  In
+              addition, the special keyword value: 'unknown' is valid.
+
+   "natural-  One or more REQUIRED comma-separated LOWER-CASE
+   language"  'naturalLanguage' strings identifying the natural
+              language used by this set of Client Print Support Files.
+              Valid values are the string representation of the IPP
+              'naturalLanguage' attribute syntax (see [RFC2911]
+              section 4.1.8), for example 'en' and 'en-us'.  In
+              addition, the special keyword value: 'unknown' is valid.
+
+   "compress  One REQUIRED LOWER-CASE 'keyword' string identifying the
+   ion"       mechanism used to compress this set of Client Print
+              Support Files.  All files needed for the installation of
+              a printer driver MUST be compressed into a single file.
+              Valid keyword values are the keywords defined by
+              [RFC2911] or registered with IANA for use in the IPP
+              "compression" and "compression-supported" attributes.
+              See [RFC2911] section 4.4.32), for example 'gzip'.  The
+              'none' value limits the uncompressed Client Print
+              Support File to a single file.  The values for the
+              "compression" field that a Printer supports NEED NOT be
+              the same values that the Printer is configured to
+              support in Job Creation operations as indicated in the
+              Printer's "compressions-supported" attribute.
+
+   "file-     One or more REQUIRED comma-separated LOWER-CASE
+   type"      'keyword' strings identifying the type of the Client
+              Print Support Files.  Valid keyword values are:
+              'printer-driver', 'ppd', 'updf', 'gpd'.
+
+   "client-   One REQUIRED CASE-SENSITIVE string identifying the name
+   file-      by which the Client Print Support Files will be
+   name"      installed on the workstation.  For Client Print Support
+              Files of type 'printer-driver', this is also the name
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 10]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+
+   Field      Field value
+   name
+
+
+              that identifies this printer driver in an .inf file.
+
+   "policy"   One OPTIONAL LOWER-CASE 'keyword' string indicating the
+              policy for automatic loading.  Valid keyword values are:
+              'manufacturer-recommended', 'administrator-recommended',
+              'manufacturer-experimental,  'administrator-
+              experimental'.  The experimental values are for beta
+              test.
+
+   "file-     One OPTIONAL file size in octets represented as ASCII
+   size"      decimal digits.
+
+   "file-     One OPTIONAL LOWER-CASE version number.  Recommended to
+   version"   be of the form "Major.minor[.revision]" where "Major" is
+              the major version number, "minor" is the minor version
+              number and "revision" is an optional revision number.
+
+   "file-     One OPTIONAL File CASE-SENSITIVE creation date and time
+   date-      according to ISO 8601 where all fields are fixed length
+   time"      with leading zeroes (see [RFC2518] Appendix 2).
+              Examples:  2000-01-01T23:09:05Z and 2000-01-01T02:59:59-
+              04.00
+
+   "file-     One OPTIONAL CASE-SENSITIVE human readable 'text' string
+   info"      describing this set of Client Print Support Files.  The
+              natural language for this value MUST be the natural
+              language indicated by the Printer's "natural-language-
+              configured" attribute.  To avoid exceeding the maximum
+              limit imposed on IPP attributes and to increase
+              interoperability with other systems, the length of this
+              field value MUST not exceed 127 characters.
+
+   "digital-  One REQUIRED LOWER-CASE 'keyword' string identifying the
+   signature  mechanism used to ensure the integrity and authenticity
+   "          of this set of Client Print Support Files.  Valid values
+              are: 'smime', 'pgp', 'dss', and 'xmldsig' which are
+              defined in [RFC2634], [RFC1991], [dss], and [xmldsig],
+              respectively.  In addition, the special keyword value:
+              'none' is valid.
+
+
+   Each value MUST refer to one and only one set of Client Print Support
+   Files, even if the files are downloadable from various repositories
+   (i.e., even if they are associated with multiple URIs).
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 11]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+3.1.1 Use of Keyword Values in fields
+
+   A number of the fields in Table 1 use keyword strings as values.  The
+   syntax of these keywords is the same as in [RFC2911], including the
+   use of private keywords.  See [RFC2911] sections 4.1.3 and 6.1.
+   Printer implementers are strongly RECOMMENDED to submit additional
+   keyword values for registration with IANA according to the procedures
+   for registering attributes.  See section 7 and [RFC2911] section 6.1.
+
+
+3.1.2 Use of the Special Keyword Value: 'unknown'
+
+   A number of REQUIRED 'keyword' value fields have a special keyword
+   value: 'unknown' defined. This value is intended for use when the
+   actual value is not known, such as by an administrator automatic
+   software configuring the IPP Printer object.  However, it is strongly
+   RECOMMENDED that other more meaningful values be used, instead of the
+   'unknown' value whenever possible.
+
+
+3.1.3 Examples of "client-print-support-files-supported" attribute
+      values
+
+   The following illustrates what two valid values of the "client-print-
+   support-files-supported" (1setOf octetString(MAX)) Printer
+   Description attribute might look like:
+
+      uri=ipp://mycompany.com/myprinter?drv-id=ModelY.gz<
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application/postscript<
+      natural-language=en< compression=gzip<
+      file-type=printer-driver<
+      client-file-name=CompanyX-ModelY-driver.gz<
+      policy=manufacturer-recommended<
+
+      uri=ftp://mycompany.com/root/drivers/win95/CompanyX/ModelY.gz<
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application/postscript,application/vnd.hp-PCL<
+      natural-language=en,fr< compression=gzip<
+      file-type=printer-driver<
+      client-file-name=Company T Model Z driver.gz<
+      policy=manufacturer-recommended<
+
+   The above examples have been broken onto separate lines for
+   readability in this document.  However, there MUST NOT be any line
+   breaks in the actual values.
+
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 12]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   The "client-print-support-files-supported" Printer Description
+   attribute MAY be preset at manufacturing time or through
+   administrative means outside the scope of this document.
+
+
+3.2 Get-Printer-Attributes Operation Extension
+
+   The "client-print-support-files-supported" Printer Description
+   attribute defined in section 3.1 contains information, such as
+   operating system, natural language, and document format, about all of
+   the sets of Client Print Support Files.  This section defines an
+   extension to the Get-Printer-Attributes operation that allows a
+   workstation to filter out all but the Client Print Support Files of
+   interest.
+
+
+3.2.1 Get-Printer-Attributes Request
+
+   A Printer MAY contain information about multiple sets of Client Print
+   Support Files to match the different operating systems, natural
+   languages and document formats it supports.  A workstation MAY query
+   this information by including the 'client-print-support-files-
+   supported' keyword as a value of the "requested-attributes" operation
+   attribute of the Get-Printer-Attributes operation.
+
+
+3.2.1.1 client-print-support-files-filter (octetString(MAX)) operation
+        attribute
+
+   The client can request a subset of the values of the "client-print-
+   support-files-supported" Printer attribute by supplying the "client-
+   print-support-files-filter" (octetString(MAX)) operation attribute in
+   the request as a filter.  The filter value indicates in which Client
+   Print Support Files the client is interested. The client MAY supply
+   this attribute.  The Printer MUST support this attribute.
+
+   The filter value of the "client-print-support-files-filter" attribute
+   is a composite string with the same format as that of "client-print-
+   support-files-supported" (see Table 1 - "client-print-support-files-
+   supported" attribute fields in section 3.1) with the following
+   exceptions:
+
+
+
+
+
+
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 13]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+      Table 2 - "client-print-support-files-filter" attribute fields
+
+
+     Field     Field Value in the "client-print-support-files-filter"
+     Name      attribute
+
+
+     uri-      One or more comma-separated LOWER-CASE 'uriScheme'
+     scheme    string values identifying the uri scheme to be
+               filtered on.  Valid values are the string
+               representation of the IPP 'uriScheme' attribute syntax
+               (see [RFC2911] section 4.1.6).  Example URI schemes
+               are: 'ftp', 'http', and 'ipp'.  The Printer SHOULD
+               support the 'ipp' scheme.  If supplied by the client,
+               this field NEED NOT be first.  If this field is
+               omitted by the client, the Printer returns all
+               schemes.
+
+     xxx       One or more comma-separated values for any of the
+               fields defined in Table 1, with the single exception
+               of the "uri" field which a client MUST NOT supply and
+               a Printer MUST NOT support.
+               The Printer MUST support any filter field having more
+               than one value separated by a COMMA (,), including the
+               fields that Table 1 indicates MUST BE single valued.
+
+
+   Printer implementations MUST support the "client-print-support-files-
+   filter" operation attribute in a Get-Printer-Attributes request with
+   the member fields listed Table 3.  Printers MAY support any
+   additional filter fields listed in Table 2.
+
+   Client implementations MAY supply any filter fields listed in Table 2
+   in the "client-print-support-files-filter" operation attribute of a
+   Get-Printer-Attributes request.
+
+       Table 3 - REQUIRED "client-print-support-files-filter" fields
+
+
+      uri-scheme
+
+      os-type
+
+      cpu-type
+
+      document-format
+
+      natural-language
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 14]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+3.2.1.1.1  Filter matching rules
+
+   The Printer returns only the values of the "client-print-support-
+   files-supported" Printer Description attribute that match the filter
+   in the "client-print-support-files-filter" operation attribute. The
+   following filter matching rules are defined:
+
+     1. A match occurs if at least one value of each field supplied by
+        the client in the filter matches a Client Print Support File
+        value.  Printers MUST ignore a filter field supplied by a client
+        that the Printer does not support and return a match if all
+        supported fields do match, no matter what value the client
+        supplied for that unsupported field.  Similarly, Printers MUST
+        ignore a filter field supplied by a client that the Printer does
+        support, but which the field has not been populated for a Client
+        Print Support Files and return a match if all supported and
+        populated fields do match, no matter what value the client
+        supplied for that unpopulated field.
+
+     2. A match for a CASE-INSENSITIVE field occurs independent of the
+        case of the letters supplied by the client and those stored by
+        the Printer, while a match for a LOWER-CASE field is a strict
+        character for character match.
+
+     3. A match for a 'keyword' Printer field that is populated with the
+        'unknown' special keyword value occurs for any value supplied by
+        the client for that field.
+
+     4. If the "client-print-support-files-filter" operation attribute
+        filter is not supplied by the client, the printer SHOULD behave
+        as if the attribute had been provided with all fields left empty
+        (i.e., return an unfiltered list).
+
+   The following are two examples of a "client-print-support-files-
+   filter" filter value:
+
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application-postscript< natural-language=en,de<
+
+      uri-scheme=ipp< os-type=windows-95< cpu-type=x86-32<
+      document-format=application-postscript< natural-language=en,de<
+
+   See section 3.2.2 for example matching responses.
+
+   It is RECOMMENDED that workstations first use the Get-Printer-
+   Attributes operation in combination with "client-print-support-files-
+   filter" operation attribute filter to get a list of the potential
+   Client Print Support Files that meet the workstation's requirements.
+   The workstation can then choose from the returned list which Client
+   Print Support Files to use and where to get them.  If one of the URIs
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 15]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   returned is an IPP uri, the workstation can retrieve the Client Print
+   Support Files from an IPP printer via the Get-Client-Print-Support-
+   Files operation (see section 3.3).
+
+
+3.2.2 Get-Printer-Attributes Response
+
+
+   A Printer MUST return the "client-print-support-files-supported"
+   (1setOf octetString(MAX)) attribute in the Printer Object Attributes
+   group (group 3) when requested by a client.  Each returned attribute
+   value MUST satisfy the criteria specified by the client in the
+   request.
+
+
+   For example, if the request contains the following "client-print-
+   support-files-filter" filter:
+
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application-postscript<
+      natural-language=en,de<
+
+   A conforming response is the following two octet String values:
+
+      uri=ipp://mycompany.com/myprinter?drv-id=ModelY.gz<
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application/postscript<
+      natural-language=en< compression=gzip<
+      file-type=printer-driver<
+      client-file-name=CompanyX-ModelY-driver.gz<
+      policy=manufacturer-recommended<
+      digital-signature=smime<
+
+      uri=ftp://mycompany.com/root/drivers/win95/CompanyX/ModelY.gz<
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application/postscript,application/vnd.hp-PCL<
+      natural-language=en,fr< compression=gzip<
+      file-type=printer-driver<
+      client-file-name=CompanyX-ModelY-driver.gz<
+      policy=manufacturer-recommended<
+      digital-signature=smime<
+
+
+   These examples have been broken onto separate lines for readability
+   in this document.  However, there MUST NOT be any line breaks in the
+   actual values.
+
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 16]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   As another example, if the above request had also contained the "uri-
+   scheme" field in the following "client-print-support-files-filter"
+   filter:
+
+      uri-scheme=ipp< os-type=windows-95< cpu-type=x86-32<
+      document-format=application-postscript<
+      natural-language=en,de<
+
+   Then only the first value would have been returned as a single
+   octetString value:
+
+      uri=ipp://mycompany.com/myprinter?drv-id=ModelY.gz<
+      os-type=windows-95< cpu-type=x86-32<
+      document-format=application/postscript<
+      natural-language=en< compression=gzip<
+      file-type=printer-driver<
+      client-file-name=CompanyX-ModelY-driver.gz<
+      policy=manufacturer-recommended<
+      digital-signature=smime<
+
+3.3 Get-Client-Print-Support-Files
+
+   This RECOMMENDED operation allows a client to download Client Print
+   Support Files from an IPP Printer.
+
+
+3.3.1 Get-Client-Print-Support-Files Request
+
+
+   The following sets of attributes are part of the Get-Client-Print-
+   Support-Files request:
+
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in [RFC2911], section 3.1.4.1.
+
+     Target:
+        The "printer-uri" (uri) operation attribute which is the target
+        for this operation as described in [RFC2911], section 3.1.5.
+        The client MUST use the URI value as the target of this
+        operation that the Printer returns in the "uri" field (see Table
+        1) in the Get-Printer-Attributes response.  Furthermore, the
+        client MUST use the appropriate authorization and security
+        regime for this URI as indicated by the Printer's "printer-uri-
+        supported", "uri-authentication-supported" and "uri-security-
+        supported" attributes (see [RFC2911] sections 4.4.1, 4.4.2, and
+        4.4.3).  Only if the URI returned in the "uri" field matches the
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 17]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+        URI that the client used for the Get-Printer-Attributes request
+        MAY the client use the same HTTP connection.  The 'ipp' URL
+        matching rules are defined in [ipp-url] and do not include the
+        query part.
+
+     Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in [RFC2911], section 8.3.
+
+     "client-print-support-files-query" (text(127)):
+        The client MUST supply this attribute specifying the query part
+        [RFC2396] of the ipp uri for the desired Client Print Support
+        Files not including the "?" character that starts the query
+        part, i.e., the value of the "uri" field following the "?"
+        character returned by the Get-Printer-Attributes in one of the
+        values of the "client-print-support-files-supported" (1setOf
+        octetString(MAX)) Printer attribute (see Table 1) that had an
+        'ipp' scheme.
+
+
+3.3.2 Get-Client-Print-Support-Files Response
+
+
+   The Printer object returns the following sets of attributes as part
+   of the Get-Client-Print-Support-Files Response:
+
+
+   Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text(255)) operation attribute as described in [RFC2911],
+        sections 13 and 3.1.6.
+
+        Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in [RFC2911], section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+     See [RFC2911], section 3.1.7 for details on returning Unsupported
+     Attributes.
+
+
+   Group 3: Printer Object Attributes
+     "client-print-support-files-supported" (octetString(MAX)).
+        This attribute identifies the properties of the returned Client
+        Print Support Files.  The Printer object MUST return this
+        attribute if the response includes Group 4 (i.e., if a set of
+        Client Print Support Files identified by the supplied "client-
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 18]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+        print-support-files-query" operation attribute was found).  The
+        Printer MUST return all configured fields for the selected
+        Client Print Support Files in the format shown in section 3.1.
+
+
+   Group 4: Client Print Support Files
+     The printer MUST supply the Client Print Support Files that match
+     the client's criteria following the "end-of-attributes" tag.  All
+     necessary files MUST be compressed into a single transferred file.
+
+
+4  Conformance
+
+   A Printer conforming to this specification:
+
+     1.MUST support the "client-print-support-files-supported" Printer
+       Description attribute as defined in section 3.1, including all
+       of the REQUIRED fields defined in Table 1 and MAY support the
+       OPTIONAL fields defined in Table 1.
+
+     2.MUST support the "client-print-support-files-filter" operation
+       attribute in the Get-Printer-Attributes request as defined in
+       section 3.2, including all of the fields listed in Table 3 and
+       ignoring any fields not recognized.
+
+     3.MUST support at least one of the following URI schemes that
+       identify the support files:  'ftp', 'http', or 'ipp', of which
+       the 'ipp' scheme is the RECOMMENDED one.
+
+     4.SHOULD support the Get-Client-Print-Support-Files operation as
+       described in section 3.3.  If this operation is supported, then
+       one of the supported schemes MUST be 'ipp'.
+
+     5.SHOULD support TLS as described in section 9.
+
+     6.SHOULD support the downloading of Client Print Support Files
+       that have been digitally signed as described in section 9.
+
+   A client conforming to this specification:
+
+     1.MUST ignore any fields returned by the Printer in the "client-
+       print-support-files-supported" Printer Description attribute
+       that the client does not recognize or support.
+
+     2.SHOULD be able to retrieve Client Print Support Files by either
+       FTP Get or HTTP Get operations.
+
+     3.MUST be able to retrieve Client Print Support Files using the
+       Get-Client-Print-Support-Files operation, i.e., support the
+       'ipp' scheme.
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 19]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+     4.MUST supply the proper URI value for the "printer-uri" operation
+       attribute as specified in section 3.3.1 under Target:.
+
+     5.MUST validate that files that are supposed to be digitally
+       signed are done with the indicated mechanism as described in
+       section 9.
+
+     6.SHOULD support TLS as described in section 9.
+
+
+5  Encoding of the Operation Layer
+
+   This extension uses the operation layer encoding described in
+   [RFC2910].
+
+
+6  Encoding of Transport Layer
+
+   This specification uses the transport layer encoding described in
+   [RFC2910] with the following extensions.
+
+   New Error codes:
+
+     0x0417    client-error-client-print-support-file-not-found
+
+   New Operation code
+
+     0x0021    Get-Client-Print-Support-Files
+
+
+7  IANA Considerations
+
+   The IANA-registered operating system names that IANA has registered
+   [os-names] are required by this spec for use in the "os-type" field
+   (see Table 1).
+
+   Table 1 of this document defines possible 'keyword' values for the
+   "cpu-type" field.  However, the existing IANA machine registration
+   [cpu-names] is inadequate for two reasons: a) it is really a machine
+   model number, not a CPU type,  and b) it doesn't express whether a
+   CPU is 16-bit, 32-bit, or 64-bit which needs to be indicated in the
+   keyword value. Therefore, the "os-type" field will be a new
+   registration with initial values assigned.
+
+   The rest of this section contains the exact information for IANA to
+   add to the IPP Registries according to the procedures defined in RFC
+   2911 [RFC2911] section 6.
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 20]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+     Note to RFC Editors:  Replace RFC NNNN below with the RFC number
+     for this document, so that it accurately reflects the content of
+     the information for the IANA Registry.
+
+
+7.1 Attribute Registrations
+
+   The attributes and fields defined in this document will be published
+   by IANA according to the procedures in RFC 2911 [RFC2911] section 6.2
+   with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attributes/
+
+   The registry entry will contain the following information:
+
+   Printer Description Attributes:                     Ref:  Section:
+   client-print-support-files-supported (1setOf octetString(MAX))
+                                                       RFC NNNN   3.1
+
+   For purposes of IANA attribute registration, the following fields of
+   the "client-print-support-files-supported" and the "client-print-
+   support-files-filter" attributes are registered following the
+   procedures for IPP attribute registration:
+                                                       Ref:  Section:
+   uri (uri)                                           RFC NNNN   3.1
+   os-type (type2 keyword)                             RFC NNNN   3.1
+   cpu-type (type2 keyword)                            RFC NNNN   3.1
+   document-format (mimeMediaType)                     RFC NNNN   3.1
+   natural-language (naturalLanguage)                  RFC NNNN   3.1
+   compression (type2 keyword)                         RFC NNNN   3.1
+   file-type (type2 keyword)                           RFC NNNN   3.1
+   client-file-name (name(MAX))                        RFC NNNN   3.1
+   policy (type2 keyword)                              RFC NNNN   3.1
+   file-size (integer(0:MAX))                          RFC NNNN   3.1
+   file-version (name(MAX))                            RFC NNNN   3.1
+   file-date-time (text(25))                           RFC NNNN   3.1
+   file-info (text(127))                               RFC NNNN   3.1
+   digital-signature (type2 keyword)                   RFC NNNN   3.1
+
+   uri-scheme (uriScheme)                              RFC NNNN   3.2
+
+   Operation Attributes:                               Ref:  Section:
+   client-print-support-files-filter (octetString(MAX))RFC NNNN   3.2
+
+
+
+
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 21]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+7.2 Operation Registrations
+
+   The operations defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.4 with
+   the following path:
+
+       ftp.isi.edu/iana/assignments/ipp/operations/
+
+   The registry entry will contain the following information:
+
+   Operations:                                         Ref.  Section:
+   Get-Client-Print-Support-Files                      RFC NNNN   3.3
+
+
+8  Internationalization Considerations
+
+   All text representations introduced by this specification adhere to
+   the internationalization-friendly representation supported by IPP.
+   This work is also accommodates the use of Client Print Support Files
+   of different languages.
+
+
+9  Security Considerations
+
+   The IPP Model and Semantics document [RFC2911] discusses high-level
+   security requirements (Client Authentication, Server Authentication
+   and Operation Privacy). Client Authentication is the mechanism by
+   which the client proves its identity to the server in a secure
+   manner. Server Authentication is the mechanism by which the server
+   proves its identity to the client in a secure manner. Operation
+   Privacy is defined as a mechanism for protecting operations from
+   eavesdropping.
+
+   Only operators of a printer SHOULD be allowed to set the "client-
+   print-support-files-supported" attribute and only users of the
+   printer SHOULD be allowed to query that information.
+
+   The IPP extension described in this document introduces the potential
+   for a security threat previously not encountered by IPP.  As Client
+   Print Support Files might exist in the form of executable objects (as
+   is the case with printer drivers, for example), additional provisions
+   are needed to prevent the distribution of malicious code through this
+   mechanism.  Digital signatures provide the message level security
+   commonly used to help consumers of network resources verify the
+   authenticity and integrity of those resources.  Specifically, digital
+   signatures help defend against security threats such as message
+   insertion, message deletion, and message modification, and their
+   combined use into man-in-the-middle attacks.
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 22]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   This document identifies some commonly used signing mechanisms (SMIME
+   [RFC2634], PGP [RFC1991], DSS [dss], and XML Digital Signatures
+   [xmldsig]), though any others MAY be used. Of course, it is assumed
+   that once end-users know the identity of the provider of Client Print
+   Support Files, they can make the correct determination as to whether
+   it is safe to use those files.
+
+   Printers that support the Get-Client-Print-Support-Files operation
+   SHOULD support the downloading of Client Print Support Files that
+   have been digitally signed.  Clients that invoke the Get-Client-
+   Print-Support-Files operation MUST make sure that Client Print
+   Support Files that are supposed to be signed (i.e., whose client-
+   print-support-files-supported attribute value includes the "digital-
+   signature" field) are indeed signed via the specified mechanism when
+   downloaded from the printer.
+
+   Furthermore, printers that support the Get-Client-Print-Support-Files
+   operation SHOULD implement TLS to provide application level channel
+   security and enable users to reliably authenticate the source of the
+   Client Print Support Files.
+
+
+10 References
+
+
+   [cpu-names]
+     IANA Registry of CPU Names at ftp://ftp.isi.edu/in-
+     notes/iana/assignments/XXX.
+
+   [dss]
+     U.S. Department of Commerce, "Digital Signature Standard (DDS)",
+     Federal Information Processing Standards Publication 186-1 (FIPS
+     PUB 186-1), December 15, 1998.
+
+   [ipp-url]
+     Herriot, R., McDonald, I., "Internet Printing Protocol (IPP): IPP
+     URL Scheme."  <draft-ietf-ipp-url-scheme-02.txt>, February 14,
+     2001.
+
+   [os-names]
+     IANA Registry of Operating System Names at ftp://ftp.isi.edu/in-
+     notes/iana/assignments/operating-system-names.
+
+   [RFC1991]
+     D. Atkins, W. Stallings, P. Zimmermann, "PGP Message Exchange
+     Formats", RFC 1991, August, 1996.
+
+   [RFC2026]
+     S. Bradner, "The Internet Standards Process -- Revision 3", RFC
+     2026, October 1996.
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 23]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+   [RFC2396]
+     Berners-Lee, T., Fielding, R., Masinter, L., "Uniform Resource
+     Identifiers (URI): Generic Syntax", RFC 2396, August 1998.
+
+   [RFC2518]
+     Goland, Y., et al, "HTTP Extensions for Distributed Authoring --
+     WEBDAV", RFC 2518, February 1999.
+
+   [RFC2616]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+   [RFC2634]
+     P. Hoffman, "Enhanced Security Services for S/MIME", RFC 2634, June
+     1999.
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", RFC 2910, September 2000.
+
+   [RFC2911]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2911,
+     September 2000.
+
+   [xmldsig]
+     D. Eastlake, J. Reagle, D. Solo "XML-Signature Syntax and
+     Processing", <draft-ietf-xmldsig-core-11.txt>, October 31, 2000.
+
+
+11 Author's Addresses
+
+   Hugo Parra
+   Novell, Inc.
+   1800 South Novell Place
+   Provo, UT   84606
+
+   Phone: 801-861-3307
+   Fax:   801-861-4025
+   e-mail: hparra@novell.com
+
+   Ted Tronson
+   Novell, Inc.
+   1800 South Novell Place
+   Provo, UT   84606
+
+   Phone: 801-861-3338
+   Fax:   801-861-4025
+   e-mail: ttronson@novell.com
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 24]
+
+
+INTERNET-DRAFT   IPP: Printer Installation Extension  February 28, 2001
+
+
+
+   Thomas N. Hastings
+   Xerox Corp.
+   737 Hawaii St.  ESAE 231
+   El Segundo, CA   90245
+
+   Phone: 310-333-6413
+   Fax:   310-333-5514
+   e-mail: hastings@cp10.es.xerox.com
+
+
+
+12 Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+Parra, Tronson, Hastings    Expires August 28, 2001           [page 25]
diff --git a/standards/draft-ietf-ipp-job-printer-set-ops-03.txt b/standards/draft-ietf-ipp-job-printer-set-ops-03.txt
new file mode 100644
index 000000000..4d628f637
--- /dev/null
+++ b/standards/draft-ietf-ipp-job-printer-set-ops-03.txt
@@ -0,0 +1,3828 @@
+
+
+
+
+
+
+INTERNET-DRAFT                                               T. Hastings
+<draft-ietf-ipp-job-printer-set-ops-03.txt>                   R. Herriot
+Category: standards track                              Xerox Corporation
+                                                             Carl Kugler
+                                                                H. Lewis
+                                                         IBM Corporation
+                                                        January 22, 2001
+
+                     Internet Printing Protocol (IPP):
+                      Job and Printer Set Operations
+
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+
+Status of this Memo
+
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+
+Abstract
+
+
+   This document specifies 3 additional OPTIONAL operations for use with
+   the Internet Printing Protocol/1.0 (IPP) [RFC2565, RFC2566], IPP/1.1
+   [RFC2911, RFC2910], and future versions.  The end user, operator, and
+   administrator Set-Job-Attributes and Set-Printer-Attributes
+   operations are used to modify IPP Job objects and Printer objects,
+   respectively.  The third administrator Get-Printer-Supported-Values
+   operation returns values that the IPP Printer will accept for setting
+   its "xxx-supported" attributes.
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                  [Page 1]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Three out-of-band values are defined for use with these operations:
+   'delete-attribute', 'admin-define', and 'not-settable', along with a
+   'client-error-attributes-not-settable' status code.
+
+
+   Two operation attributes:  "printer-message-from-operator" (text) and
+   "job-message-from-operator" (text) are defined to set the
+   corresponding IPP/1.1 Printer and Job Description attributes with the
+   same names.
+
+   Nine Printer Description attributes are defined:
+     printer-settable-attributes-supported (1setOf type2 keyword)
+     job-settable-attributes-supported (1setOf type2 keyword)
+     document-format-varying-attributes (1setOf type2 keyword)
+     printer-message-time (integer(MIN:MAX))
+     printer-message-date-time (dateTime)
+     printer-xri-supported (1setOf collection)
+     xri-uri-scheme-supported (1setOf uriScheme)
+     xri-authentication-supported (1setOf type2 keyword)
+     xri-security-supported (1setOf type2 keyword)
+
+
+
+
+
+
+
+
+
+
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+Hastings, et al.       Expires:  July 22, 2001                  [Page 2]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   The full set of IPP documents includes:
+
+   Design Goals for an Internet Printing Protocol [RFC2567]
+   Rationale for the Structure and Model and Protocol for the Internet
+   Printing Protocol [RFC2568]
+   Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+   Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+   Internet Printing Protocol/1.1: Implementer's Guide [IPP-IIG]
+   Mapping between LPD and IPP Protocols [RFC2569]
+
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting over HTTP a message body whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ipp'
+   for identifying IPP printers and jobs.
+
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+Hastings, et al.       Expires:  July 22, 2001                  [Page 3]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
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+Hastings, et al.       Expires:  July 22, 2001                  [Page 4]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+Table of Contents
+
+
+   1  Introduction....................................................8
+
+   2  Terminology.....................................................8
+   2.1   Conformance Terminology......................................9
+   2.2   Other terminology............................................9
+
+   3  Requirements and Use Cases......................................9
+
+   4  Definition of the Set operations...............................10
+   4.1   Set-Printer-Attributes Operation............................11
+   4.1.1   Settable and READ-ONLY Printer Description attributes.....13
+   4.1.2   Set-Printer-Attributes Request............................15
+   4.1.3   Set-Printer-Attributes Response...........................16
+   4.2   Set-Job-Attributes Operation................................18
+   4.2.1   Settable and READ-ONLY Job Description attributes.........21
+   4.2.2   Set-Job-Attributes Request................................21
+   4.2.3   Set-Job-Attributes Response...............................22
+   4.3   Get-Printer-Supported-Values Operation......................24
+   4.3.1   Definition of the usage of the 'admin-define' out-of-band
+   attribute value...................................................25
+
+   5  New Operation attributes.......................................27
+   5.1   printer-message-from-operator (text(127))...................27
+   5.2   job-message-from-operator (text(127)).......................28
+
+   6  New Printer Description Attributes.............................29
+   6.1   printer-settable-attributes-supported (1setOf type2 keyword)29
+   6.2   job-settable-attributes-supported (1setOf type2 keyword)....30
+   6.3   document-format-varying-attributes (1setOf type2 keyword)...30
+   6.4   printer-message-time (integer(MIN:MAX)).....................31
+   6.5   printer-message-date-time (dateTime)........................31
+   6.6   printer-xri-supported (1setOf collection)...................32
+   6.7   xri-uri-scheme-supported (1setOf uriScheme).................34
+   6.8   xri-authentication-supported (1setOf type2 keyword).........35
+   6.9   xri-security-supported (1setOf type2 keyword)...............35
+
+   7  Additional status codes........................................35
+   7.1   'client-error-attributes-not-settable' (0x0413).............35
+
+   8  Additional out-of-band values..................................36
+   8.1   'not-settable' out-of-band value............................36
+   8.1.1   Encoding of the 'not-settable' out-of-band attribute value37
+   8.2   'delete-attribute' out-of-band value........................37
+   8.2.1   Encoding of the 'delete-attribute' out-of-band value......37
+   8.3   'admin-define' out-of-band attribute value..................38
+   8.3.1   Encoding of the 'admin-define' out-of-band attribute value39
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                  [Page 5]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   9  Conformance Requirements.......................................39
+
+   10 IANA Considerations............................................41
+   10.1  Operation Registrations.....................................41
+   10.2  Attribute Registrations.....................................41
+   10.3  Status code Registrations...................................42
+   10.4  Out-of-band Attribute Value Registrations...................42
+
+   11 Internationalization Considerations............................43
+
+   12 Security Considerations........................................43
+
+   13 Author's Addresses.............................................44
+
+   14 References.....................................................45
+
+   15 Appendix A: Allowed Values for Set-Printer-Attributes and Set-Job-
+   Attributes requests...............................................46
+
+   16 Appendix B: Attributes returned from Get-Printer-Supported-Values
+      60
+
+   17 Appendix C: Full Copyright Statement...........................65
+
+
+   Table of Tables
+
+   Table 1 - Operation-Id assignments................................11
+   Table 2 - Job State Transition Table for the Set-Job-Attributes
+      operation .....................................................20
+   Table 3 - Member attributes of "printer-xri-supported" (1setOf
+      collection) ...................................................33
+   Table 4 - Validation rules for 'Any of "xxx-supported" '..........47
+   Table 5 - Validation rules for 'From Get-Printer-Supported-Values'48
+   Table 6 - Values allowed for Job Template Attributes in the Set-Job-
+      Attributes Operation ..........................................50
+   Table 7 - Values allowed for Job Description Attributes in the Set-
+      Job-Attributes Operation ......................................52
+   Table 8 - Values allowed for Printer Job Template Attributes in the
+      Set-Printer-Attributes Operation ..............................54
+   Table 9 - Values allowed for Printer Description Attributes in the
+      Set-Printer-Attributes Operation ..............................57
+   Table 10 - Printer Job Template Attributes returned from Get-Printer-
+      Supported-Values ..............................................61
+   Table 11 - Printer Job Template Attributes returned from Get-Printer-
+      Supported-Values ..............................................61
+   Table 12 - Printer Description Attributes returned from Get-Printer-
+      Supported-Values ..............................................62
+   Table 13 - Printer Job Template Attributes returned from Get-Printer-
+      Supported-Values ..............................................62
+
+
+Hastings, et al.       Expires:  July 22, 2001                  [Page 6]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Table 14 - Printer Job Template Attributes returned from Get-Printer-
+      Supported-Values ..............................................63
+   Table 15 - Printer Description Attributes returned from Get-Printer-
+      Supported-Values ..............................................64
+
+
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+Hastings, et al.       Expires:  July 22, 2001                  [Page 7]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+1  Introduction
+
+
+   The Internet Printing Protocol (IPP) is an application level protocol
+   that can be used for distributed printing using Internet tools and
+   technologies.  IPP version 1.1 [RFC2911, RFC2910] focuses on end user
+   functionality with a few administrative operations included.  This
+   document defines additional OPTIONAL end user, operator, and
+   administrator Set-Job-Attributes and Set-Printer-Attributes
+   operations used to modify IPP Job objects and Printer objects,
+   respectively.  It also defines a third administrator Get-Printer-
+   Supported-Values operation that returns values that the IPP Printer
+   will accept for setting its "xxx-supported" attributes.  The Get-
+   Printer-Supported-Values operation MUST be supported, if the
+   implementation supports setting any "xxx-supported" Printer
+   attributes using the Set-Printer-Attributes operation.
+
+
+   Three out-of-band values are defined for use with these three
+   operations:  'delete-attribute' for deleting Job attributes with the
+   Set-Job-Attributes request, 'not-settable' for use in either the Set-
+   Job-Attributes or Set-Printer-Attributes responses, and 'admin-
+   define' for use in the Get-Printer-Supported-Values response.
+
+
+   Two operation attributes:  "printer-message-from-operator" (text) and
+   "job-message-from-operator" (text) are defined to set the
+   corresponding IPP/1.1 Printer and Job Description attributes with the
+   same names.  These operation attributes may be used with any
+   operation that affect the Printer or Job object for which an
+   operation might want to indicate a message.  For the Set-Job-
+   Attributes and Set-Printer-Attributes operations, the client MUST
+   explicitly set them, rather than using these operation attributes.
+
+
+   A Printer implementation can make the value of some attributes
+   dependent on the document-format, e.g. "resolution-supported".
+
+
+   This document is an extension to IPP/1.0 [RFC2565, RFC2566] and
+   IPP/1.1 [RFC2911, RFC2910], and future versions.
+
+
+
+2  Terminology
+
+   This section defines terminology used throughout this document.
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                  [Page 8]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+2.1 Conformance Terminology
+
+
+   Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD
+   NOT, MAY, NEED NOT, and OPTIONAL, have special meaning relating to
+   conformance.  These terms are defined in [RFC2911] section 12.1 on
+   conformance terminology, most of which is taken from RFC 2119
+   [RFC2119].
+
+
+   The following specialization of these terms apply to this document:
+
+  REQUIRED: if an implementation supports the extensions described in
+     this document, it MUST support a REQUIRED feature.
+  OPTIONAL: if an implementation supports the extensions described in
+     this document, it MAY support an OPTIONAL feature.
+
+2.2 Other terminology
+
+
+   This document uses terms such as Job object (or Job), IPP Printer
+   object (or Printer), "operation", "request", response", "attributes",
+   "keywords", and "support".  These terms have special meaning and are
+   defined in the model terminology [RFC2911] section 12.2.  The
+   following additional terms are introduced in this document:
+
+  READ-ONLY:  used in an attribute definition document to indicate that
+     the attribute MUST NOT be settable using an IPP protocol Set
+     operation.  In other words, the attribute is not settable by
+     definition.
+  not-settable:  an implementation does not support setting an
+     attribute (whether or not the attribute's definition is READ-ONLY).
+
+
+3  Requirements and Use Cases
+
+
+   The following requirements and usage are intended to be met by the
+   specification in this document.
+
+
+  1. The end-user and the operator need a way to modify a Job that is in
+     the 'pending' or 'pending-held' state.
+
+
+     Usage:  The end-user discovers that he/she forgot to include a
+     print instruction, such as "finishings" = 'staple' after submitting
+     a job.  Rather than canceling the job and resubmitting it to the
+     same IPP Printer, the end-user is able to modify the job on the IPP
+     Printer.
+
+
+Hastings, et al.       Expires:  July 22, 2001                  [Page 9]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+     The operator needs to modify a job because it is requesting a
+     particular kind of media for which there is no more, but the policy
+     is to print the job on a comparable medium.
+
+
+  2. The system administrator needs a way to re-configure or change the
+     policy of the IPP Printer remotely.
+
+
+     Usage:  The system administrator is adding additional named media
+     to the supported media list (setting 'name' values to the "media-
+     supported" Printer attribute).
+
+
+     The system administrator is reducing the capability of the IPP
+     Printer by removing one of the operations from the supported
+     operations list, such as Cancel-Job, because the policy is to run
+     the IPP Printer like a public facsimile machine.  After having
+     removed Cancel-Job from the list of supported operations, an
+     administrative client needs to be able to display to an
+     administrator that the implementation is capable of being
+     reconfigured to support Cancel-Job once again.
+
+
+     The system administrator is remotely configuring the IPP Printer
+     after installing it, and so is replacing the Printer Description
+     attributes that have the out-of-band 'no-value' value (see
+     [RFC2911] section 4.1) with the proper values.
+
+
+     The operator is changing the media loaded in the input tray and so
+     is replacing the "media-ready" Job Template Printer attribute value
+     with the proper values
+
+
+
+4  Definition of the Set operations
+
+
+   The Set-Printer-Attributes operation (as are all Printer operations)
+   are directed at Printer objects.  A client MUST always supply the
+   "printer-uri" operation attribute in order to identify the correct
+   target of the operation.  These descriptions assume all of the common
+   semantics of IPP/1.1 Model and Semantics document [RFC2911] section
+   3.1.
+
+
+   The Set-Job-Attributes operation (as are all Job operations) are
+   directed at Job objects.  A client MUST always supply some means of
+   identifying the Job object in order to identify the correct target of
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 10]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   the operation.  That job identification MAY either be a single Job
+   URI or a combination of a Printer URI with a Job ID as defined in
+   [RFC2911].  The IPP object implementation MUST support both forms of
+   identification for every job. If possible, a client SHOULD use the
+   Printer URI with a Job ID rather than a Job URI, since the 32-bit
+   "job-id" is more readily translated to and from other print protocols
+   that MAY be serving as gateways into or out of the IPP
+   implementation.
+
+
+   The Set Printer operations are summarized in Table 1:
+
+                    Table 1 - Operation-Id assignments
+
+
+
+   Operation Name      Operation  Brief description
+                       -Id
+
+
+   Set-Printer-        0x0013     Sets attribute values of the target
+   Attributes                     Printer object
+
+   Set-Job-Attributes  0x0014     Sets attribute values of the target
+                                  Job object
+
+   Get-Printer-        0x0015     Gets values that are valid for
+   Supported-Values               setting "xxx-supported" attributes
+                                  using the Set-Printer-Attributes
+                                  operation
+
+
+4.1 Set-Printer-Attributes Operation
+
+
+   This OPTIONAL operation allows a client to set the values of the
+   attributes of a Printer object.   In the request, the client supplies
+   the set of Printer keyword attribute names and values that are to be
+   set.  In the response, the Printer object returns success or rejects
+   the entire request with indications of which attribute or attributes
+   could not be set.
+
+
+   The Printer object validates the client-supplied attributes in the
+   Set-Printer-Attributes request.  For an attribute to validate it MUST
+   meet all of the following rules:
+
+
+  1. The number of attributes supplied by the client MUST NOT exceed the
+     maximum number that the Printer supports in a Set-Printer-
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 11]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+     Attributes request.  A Printer MUST accept at least one attribute,
+     but SHOULD accept a reasonable number in a single Set-Printer-
+     Attributes request.
+
+
+     Note:  There is no way for the client to determine the maximum
+     number of attributes that the Printer supports in a Set-Printer-
+     Attributes request, except to try a reasonable number.
+
+
+  2. The Printer MUST support the attribute.
+
+
+  3. The attribute MUST NOT be READ-ONLY, i.e., the definition of the
+     attribute MUST NOT indicate that the attribute is READ-ONLY (see
+     Appendix A for an indication of which IPP/1.1 attributes are READ-
+     ONLY).
+
+
+  4. The attribute MUST be settable in this implementation.
+
+
+  5. The Printer MUST support the value according to the rules defined
+     in Appendix A, i.e., each value of each supplied "xxx" attribute
+     MUST be validated against a value of a corresponding "xxx-
+     supported" Printer attribute.  One of those rules permits an
+     administrator to set arbitrary 'name' values to those "xxx-
+     supported" Printer attributes that include the 'name' attribute
+     syntax if the implementation supports the 'admin-define' out-of-
+     band value for that "xxx-supported" attribute (see section 15 and
+     8.3).
+
+
+  6. The attribute's values MUST NOT conflict with the values of other
+     Printer attributes, including ones being set in this same
+     operation.
+
+
+   If any of the supplied attributes does not validate, the Printer
+   object MUST reject the entire operation; the Printer object MUST NOT
+   partially set some of the supplied attributes.  In other words, after
+   the operation, all the supplied attributes MUST be set or none of
+   them MUST be set, thus making the Set-Printer-Attributes an atomic
+   operation.
+
+
+   The Printer MUST accept this operation when its READ-ONLY "printer-
+   state" attribute (see RFC2911] section 4.4.11) is 'idle' or
+   'stopped', and SHOULD accept it when the value is 'processing'.  The
+   Printer MUST accept this operation for any of the values of the
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 12]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Printer object's READ-ONLY "printer-state-reasons" and "printer-is-
+   accepting-jobs" attributes, unless explicitly defined otherwise in
+   the definition of these attributes' values.
+
+
+   This operation MUST NOT change the value of attributes not specified
+   in the operation unless the definition of the attribute explicitly
+   specifies such side-effects.  For example, this document explicitly
+   specifies that when this operation sets "printer-message-from-
+   operator", the Printer also MUST set the READ-ONLY "printer-message-
+   time" and READ-ONLY "printer-message-date-time" attributes to the
+   time of the operation as a side effect .  In particular, if this
+   operation changes an "xxx-default" attribute, the new value MUST be
+   in the "xxx-supported" attribute or the request MUST contain a new
+   value for "xxx-supported" which contains the new value for the "xxx-
+   default".  Otherwise, the Printer MUST reject the operation.  In
+   general, Printer attribute definitions that are settable will not
+   define side-effects on other attributes that are settable, only side
+   effects on READ-ONLY attributes, if any.
+
+
+4.1.1     Settable and READ-ONLY Printer Description attributes
+
+
+   If the Printer supports the Set-Printer-Attributes operation, then it
+   SHOULD support setting of:
+
+
+     all Job Template Default ("xxx-default") attributes
+
+     all Job Template Supported ("xxx-supported") attributes
+
+     all Job Template Ready ("xxx-ready") attributes
+
+   that the implementation supports (see [RFC2911] section 4.2 and
+   extensions).
+
+
+   Some Printer Description attributes (see [RFC2911] section 4.4) MUST
+   NOT be settable, i.e., they are defined to be READ-ONLY.  An
+   attribute marked as "READ-ONLY" in the Printer Description attribute
+   table in Appendix A is such an attribute.  The Printer attributes
+   that are not marked as "READ-ONLY" MAY be settable using the Set-
+   Printer-Attributes operation, depending on implementation.
+
+
+   Note:  From now on, all extensions that define new object attributes
+   will indicate whether or not the attributes are READ-ONLY, by
+   including the "READ-ONLY" adjective in their descriptions and/or
+   explicitly stating whether they MAY be settable.
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 13]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   The current values of each "xxx-supported" Printer attribute MUST
+   reflect the current policy for support of the corresponding "xxx"
+   attribute.  If an "xxx-supported" Printer attribute is settable in an
+   implementation, then its value(s) MUST affect the behavior of the
+   implementation.  If an "xxx-supported" Printer attribute is defined
+   to be READ-ONLY or is not-settable in an implementation, then its
+   values MUST NOT be settable using the Set-Printer-Attributes
+   operation.  Consider the following example:
+
+
+     For example, if the "operations-supported" Printer Description
+     attribute (see [RFC2911] section 4.4.15) is settable in a
+     particular implementation, then changing its value with a Set-
+     Printer-Attributes operation MUST affect the operations that the
+     implementation accepts or rejects.  Such an implementation will
+     need to be able to reject values for operations that it contains no
+     code support for (see section 4.3).  If the "operations-supported"
+     Printer Description attribute is not settable in a particular
+     implementation, then that implementation MUST reject an attempt to
+     set it with a Set-Printer-Attributes operation, return the 'client-
+     error-attributes-not-settable' status code (see section 7.1), and
+     return the "operations-supported" attribute with the out-of-band
+     'not-settable' value in the Unsupported Attributes Group.
+
+
+     As another example, consider an implementation in which the "media-
+     default" and "media-supported" are settable.  If a client supplies
+     a Set-Printer-Attributes request that contains the "media-default"
+     attribute with a value that is not a member of the Printer's
+     "media-supported" attribute, the Printer MUST reject the request
+     and return the "client-error-conflicting-attributes" status code
+     with the "media-default" and "media-supported" attributes and their
+     values (see [RFC2911] section 3.1.7).
+
+
+     As a third example, if a client supplies a Set-Printer-Attributes
+     request that contains both the "media-default" and the "media-
+     supported" attributes, but includes a value in the "media-default"
+     that is not a member of the supplied "media-supported" attribute,
+     the Printer MUST reject the request and return the "client-error-
+     conflicting-attributes" status code with the "media-default" and
+     "media-supported" attributes and their values (see [RFC2911]
+     section 3.1.7).
+
+
+   Access Rights:  The authenticated user (see [RFC2911] section 8.3)
+   performing this operation must be an operator or administrator of the
+   Printer object (see [RFC2911] Sections 1 and 8.5).  Most Printer
+   attributes will require administrator access rights to set, such as
+   "xxx-supported", while some will require operator access rights only,
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 14]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   such as "media-ready" and "printer-message-from-operator".  Which
+   attributes require which access rights depends on implementation and
+   MAY depend on site policy.
+
+
+4.1.2     Set-Printer-Attributes Request
+
+
+   The following sets of attributes are part of the Set-Printer-
+   Attributes Request:
+
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+      Target:
+         The "printer-uri" (uri) operation attribute which is the target
+         for this operation as described in [RFC2911] section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in [RFC2911] section 8.3.
+
+      "document-format" (mimeMediaType):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  This attribute is useful
+         for a client to select the document-format to which the
+         attribute modification should be applied.  A Printer
+         implementation MAY allow some attributes to have different
+         values for each document format that it supports. See [RFC2911]
+         section 3.2.5.1 "Get-Printer-Attributes Request".
+
+         If the client includes this attribute, the Printer MUST change
+         the supplied attributes for the document format specified by
+         this attribute.  If a supplied attribute is a member of the
+         "document-format-varying-attributes" (i.e., the attribute
+         varies by document format, see section 6.3), the Printer MUST
+         change the supplied attribute for the document format specified
+         by this attribute, but not for other document formats.  If a
+         supplied attribute isn't a member of the "document-format-
+         varying-attributes" (i.e. it doesn't vary by document format),
+         the Printer MUST change the supplied attribute for all document
+         formats.
+
+         If the client omits this attribute, the Printer MUST change the
+         supplied attributes for all document formats whether or not
+         they vary by document-format.
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 15]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+         If the client supplies a value for the "document-format"
+         Operation attribute that is either 'application/octet-stream'
+         or not supported by the Printer, i.e., is not among the values
+         of the Printer object's "document-format-supported" attribute,
+         the Printer object MUST reject the operation and return the
+         'client-error-document-format-not-supported' status code.
+         Note: the document-format 'application/octet-stream' is the
+         union of several document-formats (see [RFC2911] section
+         3.2.5.1, Get-Printer-Attributes) and is not a true document-
+         format.
+
+
+   Group 2: Printer Attributes
+
+         The client MUST supply a set of Printer attributes with one or
+         more values (including explicitly allowed out-of-band values)
+         as defined in [RFC2911] section 4.2 Job Template Attributes
+         ("xxx-default", "xxx-supported", and "xxx-ready" attributes),
+         section 4.4 Printer Description Attributes, and any attribute
+         extensions supported by the Printer.  The value(s) of each
+         Printer attribute supplied in Group 2 replaces the value(s) of
+         the corresponding Printer attribute on the target Printer
+         object.  For attributes that can have multiple values (1setOf),
+         all values supplied by the client replace all values of the
+         corresponding Printer object attribute.  If a Printer object
+         attribute had not been configured yet and so had the 'no-value'
+         out-of-band value (see [RFC2911] section 4.1), the supplied
+         value(s) replace the 'no-value' value.
+
+
+4.1.3     Set-Printer-Attributes Response
+
+
+   The Printer object returns the following sets of attributes as part
+   of the Get-Printer-Attributes Response:
+
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in [RFC2911] sections 13 and
+         3.1.6.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 16]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes.
+
+         If some of the attributes in the operation fail to validate,
+         the Printer MUST reject the operation, MUST NOT change any
+         Printer attributes, and MUST return the indicated status code
+         below.  In this group, the Printer MUST also return all
+         attributes that fail to validate.  The following are the
+         reasons that an attribute fails to validate and the value
+         returned for the attribute, along with the indicated status
+         code and order of detection:
+
+         1.The number of attributes supplied by the client exceeds the
+           maximum number that the Printer supports in a Set-Printer-
+           Attributes request:  return the 'client-error-request-
+           entity-too-large' (see [RFC2911] section 13.1.4.9).
+
+
+         2.The Printer doesn't support the attribute:  return the
+           attribute with the "out-of-band" value 'unsupported' (see
+           [RFC2911] section 3.1.7 and [RFC2910]) and the 'client-
+           error-attributes-or-values-not-supported (see [RFC2911]
+           section 13.1.4.12).
+
+
+         3.The attribute is either READ-ONLY (in its definition) or is
+           not-settable in this implementation:  return the attribute
+           with the "out-of-band" value 'not-settable' (see section
+           8.1) and the 'client-error-attributes-not-settable' status
+           code (see section 7.1).
+
+
+         4.The Printer doesn't support the value:  if the attribute in
+           the operation has a single value return it.  If the
+           attribute in the operation is multi-valued, return only
+           those values in a 1setOf that are not supported.  Return the
+           'client-error-attributes-or-values-not-supported' status
+           code (see [RFC2911] section 13.1.4.12).
+
+
+         5.The values of some of the supplied attributes conflict with
+           one another and/or other Printer attribute values not being
+           set:  if the conflicting attribute in the operation has a
+           single value return the attribute and the value.  If the
+           attribute in the operation is multi-valued, return only the
+           attribute and those values in a 1setOf that are conflicting
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 17]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+           with other attributes.  Return the 'client-error-
+           conflicting-attributes' status code (see [RFC2911] section
+           13.1.4.15).
+
+
+4.2 Set-Job-Attributes Operation
+
+
+   This OPTIONAL operation allows a client to set the values of the
+   attributes of a Job object.  In the request, the client supplies the
+   set of Job keyword attribute names and values that are to be set.  In
+   the response, the IPP object returns success or rejects the entire
+   request with indications of which attribute or attributes could not
+   be set.
+
+
+   This operation is almost identical to the Set-Printer-Attributes
+   operation and follows the same rules for validation (see section
+   4.1).  The only differences are that the Set-Job-Attributes operation
+   is directed at a Job object rather than a Printer object, there is no
+   "document-format" operation attribute used when setting a Job object,
+   the operation can add an attribute to the (Job) object, the 'delete-
+   attributes' out-of-band value is permitted to remove an attribute,
+   and the validation is the same as the Job Creation operations (Print-
+   Job, Print-URI, and Create-Job), i.e., depends on the "xxx-supported"
+   Printer Description attributes (see [RFC2911] section 3.1).   Using
+   the Set-Printer-Attributes operation, the administrator can set
+   arbitrary 'name' values to those "xxx-supported" Printer attributes
+   that include the 'name' attribute syntax if the implementation
+   supports the 'admin-define' out-of-band value for that "xxx-
+   supported" attribute (see section 15 and 8.3).  However, the Set-Job-
+   Attributes cannot be used to add unsupported names to the Job object.
+
+
+   If a client supplies a job attribute in a Set-Job-Attributes request
+   that the Printer supports, and the job was originally submitted
+   without supplying that attribute, the Printer adds the attribute to
+   the Job object.
+
+
+   If the client supplies a job attribute with the "out-of-band" value
+   'delete-attribute' (see section 8.2), then the Printer MUST remove
+   the attribute and all of its values from the Job object, if present.
+   The semantic effect of the client supplying the 'delete-attribute'
+   value in a Set-Job-Attributes operation MUST be the same as if the
+   attribute had not been supplied with the Job object in the Job
+   Creation operation, i.e., the Printer applies its default attribute
+   or behavior with lower precedence that the PDL (see the beginning of
+   [RFC2911] section 4.2 and [RFC2911] 3.2.1.1).  Any subsequent query
+   of the Job object using Get-Job-Attributes or Get-Jobs MUST NOT
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 18]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   return any attribute that has been deleted using the 'delete-
+   attribute' out-of-band value.  However, a client can re-establish
+   such a deleted Job attribute with any supported value(s) using a
+   subsequent Set-Job-Attributes operation.
+
+
+   If the client supplies an attribute in a Set-Job-Attributes request
+   with the 'delete-attribute' value and that attribute is not present
+   on the Job object, the Printer ignores that supplied attribute in the
+   request, does not return the attribute in the Unsupported Attributes
+   group, and returns the 'successful-ok' status code, if there are no
+   other problems with the request.
+
+
+   The validation of the Set-Job-Attributes request is performed by the
+   Printer as if the job had been submitted originally with the new
+   attribute values (and the deleted attributes removed) and with "ipp-
+   attribute-fidelity" set to 'true', i.e., all modified attributes Job
+   attributes and values MUST be supported in combination with the Job
+   attributes not modified.  If such a Job Creation operation would have
+   been accepted, then the Set-Job-Attributes MUST be accepted.  If such
+   a Job Creation operation would have been rejected, then the Set-Job-
+   Attributes MUST be rejected and the Job MUST be unchanged.  In
+   addition, if any of the supplied attributes are not supported, are
+   not settable, or the values are not supported, the Printer object
+   MUST reject the entire operation; the Printer object MUST NOT
+   partially set some of the supplied attributes.  In other words, after
+   the operation, all the supplied attributes MUST be set or none of
+   them MUST be set, thus making the Set-Job-Attributes an atomic
+   operation.
+
+
+   The IPP object MUST accept or reject this operations when the Job's
+   READ-ONLY "job-state" attribute has the values shown in Table 2.  The
+   job's current state MUST affect whether the IPP object accepts or
+   rejects the request. For example, in the case where the operation
+   creates a request for unavailable resources, the Job transitions to a
+   new state.  Table 2 shows the allowed behaviors in each job state and
+   the transitions.
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 19]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+      Table 2 - Job State Transition Table for the Set-Job-Attributes
+                                 operation
+
+
+
+   Current "job-    New "job-       IPP object's response status code
+   state"           state"          and action:
+
+
+   'pending'        'pending'       'successful-ok'
+
+   'pending'        'pending-held'  'successful-ok' - needed resources
+                                    are not ready
+
+   'pending-held'   'pending-held'  'successful-ok'
+
+   'pending-held'   'pending'       'successful-ok' - needed resources
+                                    are ready
+
+   'processing'     'processing'    'successful-ok'  or 'client-error-
+                                    not-possible' depending on
+                                    implementation, including the
+                                    attributes being set, whether the
+                                    job has started marking media,
+                                    etc.
+
+   'processing-     'processing-    'successful-ok'  or 'client-error-
+   stopped'         stopped'        not-possible' depending on
+                                    implementation, including the
+                                    attributes being set, whether the
+                                    job has started marking media,
+                                    etc.
+
+   'completed'      'completed'     'client-error-not-possible'
+
+   'canceled'       'canceled'      'client-error-not-possible'
+
+   'aborted'        'aborted'       'client-error-not-possible'
+
+
+
+
+
+   This operation MUST NOT change the value of attributes not specified
+   in the operation unless the definition of the attribute explicitly
+   specifies such side-effects.  In general, Job attribute definitions
+   that are settable will not define side-effects on other attributes
+   that are settable, only side effects on READ-ONLY attributes, if any.
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 20]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+4.2.1     Settable and READ-ONLY Job Description attributes
+
+
+   If the Printer supports the "job-message-from-operator" Job
+   Description attribute (see [RFC2911] section 4.3.16) and the client
+   explicitly supplies a new value for the "job-message-from-operator"
+   in the Set-Job-Attributes request, then the Printer MUST set the
+   "job-message-from-operator" Job attribute to this new value.
+
+
+   If the Printer supports the Set-Job-Attributes operation, then it
+   SHOULD support setting of:
+
+
+     all Job Template job ("xxx") attributes
+
+   that the implementation supports (see [RFC2911] section 4.2 and
+   extensions).
+
+
+   Some Job Description attributes (see [RFC2911] section 4.3) MUST NOT
+   be settable, i.e., they are defined to be READ-ONLY.  An attribute
+   marked as "READ-ONLY" in the Job Description attribute table in
+   Appendix A is such an attribute.  The Job attributes not marked as
+   "READ-ONLY" MAY be settable using the Set-Job-Attributes operation,
+   depending on implementation.
+
+
+   Note:  From now on, all extensions that define new object attributes
+   will indicate whether or not the attributes are READ-ONLY, by
+   including the "READ-ONLY" adjective in their descriptions and/or
+   explicitly stating whether they MAY be settable.
+
+
+   Access Rights: The authenticated user (see [RFC2911] section 8.3)
+   performing this operation must either be the job owner (as determined
+   in the Job Creation operation) or an operator or administrator of the
+   Printer object (see [RFC2911] Sections 1 and 8.5).
+
+
+4.2.2     Set-Job-Attributes Request
+
+
+   The following sets of attributes are part of the Set-Job-Attributes
+   Request:
+
+
+   Group 1: Operation Attributes
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 21]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+      Target:
+         Either (1) the "printer-uri" (uri) plus "job-id"
+         (integer(1:MAX)) or (2) the "job-uri" (uri) operation
+         attribute(s) which define the target for this operation as
+         described in [RFC2911] section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in [RFC2911] section 8.3.
+
+
+   Group 2: Job Attributes
+
+         The client MUST supply a set of Job attributes with one or more
+         values (including explicitly allowed out-of-band values) as
+         defined in [RFC2911] section 4.2 Job Template Attributes ("xxx"
+         attributes), section 4.3 Job Description Attributes, and any
+         attribute extensions supported by the Printer.  The value(s) of
+         each Job attribute supplied in Group 2 replaces the value(s) of
+         the corresponding Job attribute on the target Job object.  For
+         attributes that can have multiple values (1setOf), all values
+         supplied by the client replace all values of the corresponding
+         Job object attribute.
+
+         If the client supplies an "xxx" attribute with the 'delete-
+         attribute' out-of-band value (see section 8.2), the Printer
+         MUST remove the "xxx" attribute from the Job object, if
+         present.
+
+
+4.2.3     Set-Job-Attributes Response
+
+
+   The IPP object returns the following sets of attributes as part of
+   the Set-Job-Attributes Response:
+
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in [RFC2911] sections 13 and
+         3.1.6.
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 22]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.
+
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes.
+
+         If some of the attributes in the operation fail to validate,
+         the Printer MUST reject the operation, MUST NOT change any Job
+         attributes, and MUST return the indicated status code below.
+         In this group, the Printer MUST also return all attributes that
+         fail to validate.  The following are the reasons that an
+         attribute fails to validate and the value returned for the
+         attribute, along with the indicated status code and order of
+         detection:
+
+         1.The number of attributes supplied by the client exceeds the
+           maximum number that the Printer supports in a Set-Printer-
+           Attributes request:  return the 'client-error-request-
+           entity-too-large' (see [RFC2911] section 13.1.4.9).
+
+
+         2.The Printer doesn't support the attribute:  return the
+           attribute with the 'unsupported' out-of-band attribute value
+           (see [RFC2911] section 3.1.7 and [RFC2910]) and the 'client-
+           error-attributes-or-values-not-supported (see [RFC2911]
+           section 13.1.4.12).
+
+
+         3.The attribute is READ-ONLY (in its definition) or is not-
+           settable in this implementation:  return the attribute with
+           the 'not-settable' out-of-band attribute value (see section
+           8.1) and the 'client-error-attributes-not-settable' status
+           code (see section 7.1).
+
+
+         4.The Printer doesn't support the value:  if the attribute in
+           the operation has a single value return it.  If the
+           attribute in the operation is multi-valued, return only
+           those values in a 1setOf that are not supported.  Return the
+           'client-error-attributes-or-values-not-supported' status
+           code (see [RFC2911] section 13.1.4.12).
+
+
+         5.The values of some of the supplied attributes conflict with
+           one another and/or other Job attribute values not being set:
+           if the conflicting attribute in the operation has a single
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 23]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+           value return the attribute and the value.  If the attribute
+           in the operation is multi-valued, return only the attribute
+           and those values in a 1setOf that are conflicting with other
+           attributes.  Return the 'client-error-conflicting-
+           attributes' status code (see [RFC2911] section 13.1.4.15).
+
+
+4.3 Get-Printer-Supported-Values Operation
+
+
+   This OPTIONAL operation allows a client to request the values that
+   the Printer allows in the Set-Printer-Attributes operation for "xxx-
+   supported" attributes.  If the Printer supports the Set-Printer-
+   Attributes operation AND some of its "xxx-supported" Printer
+   attributes are settable, then the Printer MUST also support this
+   operation.
+
+
+   The Printer MUST return in the Get-Printer-Supported-Values response
+   those, and only those, "xxx-supported" Printer attributes that it
+   supports setting with the Set-Printer-Attributes operation.
+   Furthermore, if a client requests the value of an attribute that is
+   not settable or is not supported (as in the Get-Printer-Attributes
+   response), the Unsupported Attributes Group of the response NEED NOT
+   contain the "requested-attributes" operation attribute with any such
+   requested (attribute keyword) values.
+
+
+   This operation has identical request/response attributes to the Get-
+   Printer-Attributes operation in IPP/1.1 [RFC2911].  The operation
+   also behaves identically to the Get-Printer-Attributes operation in
+   IPP/1.1 [RFC2911] with the following exceptions:
+
+
+   1.The Get-Printer-Supported-Values operation supports only "xxx-
+     supported" attributes.
+
+
+   2.The Get-Printer-Attributes operation returns the few "xxx-
+     supported" attributes that are defined to be single valued, such
+     as "page-ranges-supported" (boolean) or "pdl-override-supported"
+     (type2 keyword), as single values, while Get-Printer-Supported-
+     Values returns the possible values that can be set as a 1setOf of
+     the same attribute syntax type (See Appendix B: Attributes
+     returned from Get-Printer-Supported-Values).
+
+
+   3.The Get-Printer-Attributes operation returns the current values of
+     requested attributes while the Get-Printer-Supported-Values
+     operation returns the values that are inherently supported by the
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 24]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+     implementation code, i.e., the values that an administrative
+     client can set in  a Set-Printer-Attributes request.
+
+
+   4.The Get-Printer-Attributes operation returns the current values of
+     requested "xxx-supported" attributes that the Printer is
+     configured to accept in Job Creation operations, including
+     additional values defined by the administrator, while the Get-
+     Printer-Supported-Values operation returns only the values of
+     "xxx-supported" attributes that are inherently supported by the
+     implementation and does not return any additional values defined
+     by the administrator where the implementation supports the 'admin-
+     define' out-of-band value.
+
+
+   5.The Get-Printer-Attributes never returns the 'admin-define' out-
+     of-band attribute value, while the Get-Printer-Supported-
+     Attributes operation does, if the implementation allows the
+     administrator to define name values by setting that "xxx-
+     supported" attribute with any 'name' value(s).
+
+
+   6.The Get-Printer-Attributes operation only requires end-user access
+     rights, while the Get-Printer-Supported-Values requires
+     administrator access rights.
+
+
+   Access Rights:  The authenticated user (see [RFC2911] section 8.3)
+   performing this operation must be an administrator of the Printer
+   object (see [RFC2911] Sections 1 and 8.5).
+
+
+4.3.1     Definition of the usage of the 'admin-define' out-of-band
+     attribute value
+
+
+   If the Set-Printer-Attributes operation allows the System
+   Administrator to define arbitrary 'name' values for an "xxx-
+   supported" attribute, then the Get-Printer-Supported-Values operation
+   MUST return the 'admin-define' out-of-band attribute value (see
+   section 8.3) as one of the values of the "xxx-supported" attribute.
+   In other words, the 'admin-define' out-of-band attribute value
+   indicates that the Printer implementation supports clients setting
+   arbitrary 'name' attribute syntax values for that "xxx-supported"
+   attribute using the Set-Printer-Attributes operation as long as the
+   attribute is defined with the 'name' attribute syntax.
+
+
+   For example, if the Get-Printer-Supported-Values operation returns
+   several keywords as the value of the "media-supported" attribute,
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 25]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   then the Set-Printer-Attributes operation MUST accept any of these
+   keywords as values for the "media-supported" attribute.  If the Get-
+   Printer-Supported-Values operation returns an 'admin-define' out-of-
+   band attribute value as one of the values of the "media-supported"
+   attribute, then the Set-Printer-Attributes operation MUST accept any
+   value whose attribute syntax is 'name' as a value for the "media-
+   supported" attribute (provided that the user is properly
+   authenticated to use the Set-Printer-Attributes operation, e.g., has
+   administrative access rights).
+
+
+   The Get-Printer-Supported-Values MAY return the 'admin-define' out-
+   of-band attribute value for any IPP/1.1 or extension Job Template
+   attribute if the implementation supports allowing the System
+   Administrator to add values to the "xxx-supported" attribute using
+   the Set-Printer-Attributes operation.  In this case, the Printer MUST
+   accept any 'name' value of the correct attribute syntax in a Set-
+   Printer-Attributes operation that is setting that attribute.  For
+   "xxx-supported" attributes that are defined with a choice of
+   attribute syntaxes, such as 'keyword | name', it is the 'name'
+   attribute syntax that the System Administrator can use to add new
+   values, not the 'keyword' attribute syntax.  For IPP/1.1 this
+   requirement includes the following Job Template attributes:
+
+     media-supported
+     job-hold-until-supported
+     job-sheets-supported
+
+   Implementations that support additional Job Template attributes that
+   include the 'name' attribute syntax, MAY use the 'admin-define' out-
+   of-band value with them.
+
+
+   If the 'admin-define' out-of-band attribute value is not one of the
+   values of an "xxx-supported" attribute returned in a Get-Printer-
+   Supported-Values response, then the Printer MUST NOT allow the Set-
+   Printer-Attributes operation for that attribute to contain a value
+   that is not one of the explicit 'keyword' or 'name' values returned
+   in a Get-Printer-Supported-Values response.
+
+
+   See Appendix B: Attributes returned from Get-Printer-Supported-Values
+   for a full list of values returned by this operation.
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 26]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+5  New Operation attributes
+
+
+   This section defines new operation attributes for use with the
+   IPP/1.1 operations indicated.  As new operations are defined they
+   will also indicate explicitly whether these operation attributes are
+   defined for use with them.
+
+
+5.1 printer-message-from-operator (text(127))
+
+
+   The Printer SHOULD support this Operation attribute in following
+   operations if it supports the corresponding "printer-message-from-
+   operator" Printer Description attribute.
+
+
+         Pause-Printer
+         Resume-Printer
+         Purge-Jobs
+
+
+   The client OPTIONALLY supplies this attribute in the above
+   operations. The value of this attribute is a message from the
+   operator about the Printer object on which the operator is performing
+   the operation.  If this operation attribute is supported, the Printer
+   copies the value to its "printer-message-from-operator" Printer
+   Description attribute (see [RFC2911] section 4.4.25) even if this
+   Operation attribute is a zero-length text value or consists solely of
+   white space.
+
+
+   If the Printer supports this operation attribute, it MUST support
+   both a zero-length text value and the 'no-value' out-of-band value
+   (see [RFC2911] section 4.1) to indicate that the operator has sent no
+   message.  In this case, the Printer sets the value of the "printer-
+   message-from-operator" to the zero-length value or 'no-value' out-of-
+   band value, respectively.  If the client queries the "printer-
+   message-from-operator" Printer attribute, the Printer returns the
+   attribute with the zero-length value or the 'no-value' value,
+   respectively.
+
+
+   In addition, the Printer automatically copies:
+
+
+   1.the value of its "printer-up-time" attribute (see [RFC2911]
+     section 4.4.29) to its "printer-message-time" attribute,
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 27]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   2.the value of its printer-current-time" (dateTime) attribute (see
+     [RFC2911] section 4.4.30) to its "printer-message-date-time"
+     attribute, if supported.
+
+
+   If the client omits this operation attribute, the Printer does not
+   change the value of its "printer-message-from-operator", "printer-
+   message-time" and "printer-message-date-time" Printer Description
+   attributes.
+
+
+   The "printer-message-from-operator" operation attribute MUST NOT be
+   supported as an operation attribute for the Set-Printer-Attributes
+   operation.  If the operator wants to set the Printer's "printer-
+   message-from-operator" Printer Description attribute when issuing the
+   Set-Printer-Attributes operation, the client supplies the "printer-
+   message-from-operator" explicitly with its new value as one of the
+   Printer Description attributes in Group 2 in the request.  The
+   Printer also updates its "printer-message-time" and "printer-message-
+   date-time" Printer Description attributes.  If the client does not
+   explicitly supply the "printer-message-from-operator" with its new
+   value in the Set-Printer-Attributes request, the Printer leaves the
+   value of the Printer's "printer-message-from-operator" Printer
+   Description attribute unchanged.
+
+
+5.2 job-message-from-operator (text(127))
+
+
+   The Printer SHOULD support this Operation attribute in following
+   operations if it supports the corresponding "job-message-from-
+   operator" Job Description attribute.
+
+
+         Cancel-Job
+         Hold-Job
+         Release-Job
+         Restart-Job
+
+
+   The client OPTIONALLY supplies this attribute in the above
+   operations. The value of this attribute is a message from the
+   operator about the Job object on which the operator has just
+   performed an operation.  If supported, the Printer copies the value
+   to the Job's "job-message-from-operator" Job Description attribute
+   (see [RFC2911] section 4.3.16) (even if this Operation attribute is a
+   zero-length text value or consists solely of white space).
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 28]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   If the Printer supports this operation attribute, it MUST support
+   both a zero-length text value and the 'no-value' out-of-band value
+   (see [RFC2911] section 4.1) to indicate that the operator has sent no
+   message.  In this case, the Printer sets the value of the "job-
+   message-from-operator" to the zero-length value or 'no-value' out-of-
+   band value, respectively.  If the client queries the "job-message-
+   from-operator" Job attribute, the IPP object returns the attribute
+   with the zero-length value or the 'no-value' value, respectively.
+
+
+   If the client omits this attribute, the Printer does not change the
+   value of its "job-message-from-operator" Job Description attribute.
+
+
+   Note:  There are no corresponding 'job-message-time" and "job-
+   message-date-time" Job Description attributes, since the usual
+   lifetime of a job is limited.
+
+
+   The "job-message-from-operator" operation attribute MUST NOT be
+   supported as an operation attribute for the Set-Job-Attributes
+   operation.  If the operator wants to set the Job's "job-message-from-
+   operator" Job Description attribute when issuing the Set-Job-
+   Attributes operation, the client MUST supply the "job-message-from-
+   operator" with its new value as one of the Job Description attributes
+   in Group 2 in the request.  Otherwise, the Printer leaves the value
+   of the Job's "job-message-from-operator" Job Description attribute
+   unchanged by not explicitly setting the attribute.   If the client
+   does not explicitly supply the "job-message-from-operator" with its
+   new value in the Set-Job-Attributes request, the Printer leaves the
+   value of the Job's "job-message-from-operator" Job Description
+   attribute unchanged.
+
+
+
+6  New Printer Description Attributes
+
+
+   The following new Printer Description attributes are needed to
+   support the new operations defined in this document.
+
+
+6.1 printer-settable-attributes-supported (1setOf type2 keyword)
+
+
+   This REQUIRED READ-ONLY Printer attribute identifies the Printer
+   object attributes that are settable in this implementation, i.e.,
+   that are settable using the Set-Printer-Attributes operations (see
+   section 4.1).  This attribute MUST be supported if the Set-Printer-
+   Attributes operations is supported.  The Printer MUST reject attempts
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 29]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   to set any Printer attributes that are not one of the values of this
+   attribute, returning the 'client-error-attributes-not-settable'
+   status code (see section 7.1).  The value of this attribute MAY
+   depend on the value of the "document-format" operation attribute
+   supplied in the Get-Printer-Attributes operation (see [RFC2911]
+   section 3.2.5.1).
+
+
+   Standard keyword values are:
+
+     'none':  There are no settable Printer attributes.
+     'xxx':   Where 'xxx' is any of the keyword attribute names allowed
+       by section 4.1.1
+
+6.2 job-settable-attributes-supported (1setOf type2 keyword)
+
+
+   This REQUIRED READ-ONLY Printer attribute identifies the Job object
+   attributes that are settable in this implementation, i.e., that are
+   settable using the Set-Job-Attributes operation (see section 4.2).
+   This attribute MUST be supported if the Set-Job-Attributes operations
+   is supported.  The Printer MUST reject attempts to set any Job
+   attributes that are not one of the values of this attribute,
+   returning the 'client-error-attributes-not-settable' status code (see
+   section 7.1).
+
+
+   Standard keyword values are:
+
+     'none':  There are no settable Job attributes.
+     'xxx':   Where 'xxx' is any of the keyword attribute names allowed
+       by section 4.2.1.
+
+6.3 document-format-varying-attributes (1setOf type2 keyword)
+
+
+   This OPTIONAL READ-ONLY Printer Description attribute contains a set
+   of attribute name keywords.  This attribute SHOULD be supported by a
+   Printer object, if the Printer object has Printer attributes whose
+   value vary depending on document format (see [RFC2911] Get-Printer-
+   Attributes operation).  This attribute specifies which attribute
+   values can vary by document-format.  If an attribute's name "xxx" is
+   a member of this attribute and the value of attribute "xxx" is
+   changed with the Set-Printer-Attributes operation that included the
+   "document-format" operation attribute, then the Printer MUST change
+   the value for the specified document format and no other document
+   formats (see section 4.1.2).  If an attribute's name "xxx" is not a
+   member of this attribute and the value of attribute "xxx" is changed
+   with the Set-Printer-Attributes operation, then the attribute is
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 30]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   changed for all document formats (whether or not the client supplied
+   the "document-format" operation attribute).
+
+
+6.4 printer-message-time (integer(MIN:MAX))
+
+
+   This OPTIONAL READ-ONLY Printer Description attribute contains the
+   time that the Printer's "printer-message-from-operator" was changed
+   by the operator using any operation where the client supplied the
+   "printer-message-from-operator" operation attribute (see section 5.1)
+   or was explicitly set using the Set-Printer-Attributes operation (see
+   section 4.1).  This attribute allows the users to know when the
+   "printer-message-from-operator" attribute was last set.
+
+
+   The Printer sets the value of this attribute by copying the value of
+   the Printer's "printer-up-time" attribute (see [RFC2911] section
+   4.3.14).  If the Printer resets its "printer-up-time" attribute to 1
+   on power-up, then it MUST change the value of the "printer-message-
+   time" to 0 or a negative number as specified in [RFC2911] section
+   4.3.14.
+
+
+   Note:  This attribute helps users better understand the context for
+   the "printer-message-from-operator" message.
+
+
+6.5 printer-message-date-time (dateTime)
+
+
+   This OPTIONAL READ-ONLY Printer Description attribute contains the
+   date and time that the Printer's "printer-message-from-operator" was
+   changed by the operator using any operation where the client supplied
+   the "printer-message-from-operator" operation attribute (see section
+   5.1) or was explicitly set using the Set-Printer-Attributes operation
+   (see section 4.1).  This attribute allows the users to know when the
+   "printer-message-from-operator" attribute was last set.
+
+
+   This attribute MUST be supported if the Printer supports both the
+   "printer-message-time" and the "printer-current-time" (dateTime)
+   attributes (see [RFC2911] section 4.4.30).
+
+
+   Note:  This attribute helps users better understand the context for
+   the "printer-message-from-operator" message.
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 31]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+6.6 printer-xri-supported (1setOf collection)
+
+
+   This OPTIONAL Printer Description attribute is a multi-valued
+   attribute where each value has the 'collection' attribute syntax (see
+   [ipp-coll]) containing member attributes with the same semantics as
+   the following IPP/1.1 READ-ONLY Printer Description attributes,
+   except for cardinality:
+
+         printer-uri-supported (1setOf uri) - see [RFC2911] section
+         4.4.1
+         uri-authentication-supported (1setOf type2 keyword) - see
+         [RFC2911] section 4.4.2
+         uri-security-supported (1setOf type2 keyword) - see [RFC2911]
+         section 4.4.3
+
+   When setting the "printer-xri-supported" attribute with a Set-
+   Printer-Attributes request, the Printer MUST also set these three
+   IPP/1.1 READ-ONLY Printer Description attributes as a defined side
+   effect.  Thus, this collection attribute provides the means to set
+   these three IPP/1.1 READ-ONLY attributes atomically so that they are
+   never left in a partially inconsistent state.
+
+
+   An IPP Printer MUST NOT provide any other way using IPP to set these
+   three IPP/1.1 READ-ONLY Printer Description attributes, since they
+   are READ-ONLY and MUST have consistent values at all times.  Note:
+   The "xri-printer-supported" (1setOf collection) attribute can be put
+   into a directory schema that requires a single text string value,
+   such as SLP or LDPA, by using suitable delimiting characters to
+   separate member attributes of the collection and/or terminating
+   collection values.  See [svrloc-printer] and [ldap-printer].
+
+
+   The member attributes of the "printer-xri-supported" (1setOf
+   collection) are given in Table 3.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 32]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+      Table 3 - Member attributes of "printer-xri-supported" (1setOf
+                                collection)
+
+
+
+     Member attribute                             client    Printer
+                                                  MUST      MUST
+                                                  supply    support
+
+
+     xri-uri (uri)                                yes       yes
+
+     xri-authentication (1setOf type2 keyword)    yes       yes
+
+     xri-security (1setOf type2 keyword)          yes       yes
+
+
+   Each collection value MUST contain a single unique value for the
+   "xri-uri" member attribute.  However, the other two member attributes
+   are multi-valued, so that a single URI can support more than one
+   authentication scheme and/or more than one security scheme.  Other
+   than the uniqueness and the cardinality requirements, the semantics
+   of these three member attributes is given in [RFC2911] sections
+   4.4.1, 4.4.2, and 4.4.3, respectively.
+
+
+   A client can query the current values using the Get-Printer-
+   Attributes operation by supplying either:
+
+
+   1.the three IPP/1.1 attribute names:  "printer-uri-supported", "uri-
+     authentication-supported", "uri-security-supported" and getting
+     back the parallel values OR
+
+
+   2.the single attribute name: "printer-xri-supported" and getting
+     back the 1setOf collection which contains the same information
+     semantically, but in a different form.
+
+
+   A client can query what member attribute values can be set by
+   supplying the three attribute names: "xri-uri-scheme-supported",
+   "xri-authentication-supported", and "xri-security-supported" in a
+   Get-Printer-Supported-Values request and getting back the uriScheme
+   and type2 keyword values that can be set.  Since the "printer-xri-
+   supported", "uri-authentication-supported", and "uri-security-
+   supported" attributes are READ-ONLY, they are not queriable with the
+   Get-Printer-Supported-Values operation (see section 4.3).  See Table
+   15.
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 33]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   When performing a Set-Printer-Attributes operation, if there are
+   multiple values for the "xri-authentication" and/or "xri-security"
+   member attributes, the Printer MUST set the corresponding three READ-
+   ONLY attributes with all possible combinations of values.  For
+   example, setting the "printer-xri-supported" with the following two
+   collection values where the first URI has both 'basic' and 'digest'
+   authentication:
+
+
+     "printer-xri-supported =
+         {  "xri-uri" = ipp://abc.com/p1
+            "xri-authentication" = basic, digest
+            "xri-security" = tls
+         },
+         {  "xri-uri" = http://abc.com/pq
+            "xri-authentication" = none
+            "xri-security" = none
+         }
+
+
+   would cause the Printer to set the three corresponding IPP/1.1 READ-
+   ONLY attributes, each with three parallel values as follows:
+
+
+      "printer-uri-supported" = { ipp://abc.com/p1, ipp://abc.com/p1,
+                                  http://abc.com/pq }
+      "uri-authentication-supported" = { basic, digest, none }
+      "uri-security-supported" = { tls, tls, none }
+
+
+   Because there were two authentication values for the ipp://abc.com/p1
+   URL, that URL value is repeated.  Had the ipp URL had 2
+   authentication values and 3 security values, then there would have
+   been 7 (2*3 + 1) parallel values for each of the three attributes, 6
+   with the same ipp URI and 1 with the http URI.
+
+
+6.7 xri-uri-scheme-supported (1setOf uriScheme)
+
+
+   This OPTIONAL READ-ONLY Printer Description attribute identifies the
+   URI schemes that the implementation supports for use in the "printer-
+   uri-supported" (1setOf uri) Printer Description attribute (see
+   [RFC2911] section 4.4.1) and the "xri-uri" member attribute of the
+   "xri-printer-supported" (1setOf collection) Printer Description
+   attribute (see section 6.6).
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 34]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   A Printer MUST support this attribute if it supports setting the
+   "printer-xri-supported" (1setOf collection) with the Set-Printer-
+   Attributes operation.
+
+
+6.8 xri-authentication-supported (1setOf type2 keyword)
+
+
+   This OPTIONAL READ-ONLY Printer Description attribute identifies the
+   Client Authentication mechanisms that the implementation supports for
+   use in the "uri-authentication-supported" (1setOf type2 keyword)
+   Printer Description attribute (see [RFC2911] section 4.4.2) and the
+   "xri-authentication" member attribute of the "xri-printer-supported"
+   (1setOf collection) Printer Description attribute (see section 6.6).
+
+
+   A Printer MUST support this attribute if it supports setting the
+   "printer-xri-supported" (1setOf collection) with the Set-Printer-
+   Attributes operation.
+
+
+6.9 xri-security-supported (1setOf type2 keyword)
+
+
+   This OPTIONAL READ-ONLY Printer Description attribute identifies the
+   URI schemes that the implementation supports for use in the "uri-
+   security-supported" (1setOf type2 keyword) Printer Description
+   attribute (see [RFC2911] section 4.4.3) and the "xri-security" member
+   attribute of the "xri-printer-supported" (1setOf collection) Printer
+   Description attribute (see section 6.6).
+
+
+   A Printer MUST support this attribute if it supports setting the
+   "printer-xri-supported" (1setOf collection) with the Set-Printer-
+   Attributes operation.
+
+
+
+7  Additional status codes
+
+   This section defines new status codes used by the operations defined
+   in this document.
+
+7.1 'client-error-attributes-not-settable' (0x0413)
+
+
+   The Set-Printer-Attributes or Set-Job-Attributes operation failed
+   because one or more of the specified attributes cannot be set either
+   because the attribute is defined to be READ-ONLY or the attribute is
+   not settable in this implementation (see sections 4.1.3 and 4.2.3),
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 35]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   the Printer MUST return this error code and the attribute keyword
+   name(s) and the 'not-settable' out-of-band value (see section 8.1) in
+   the Unsupported Attributes Group(see [RFC2911] section 3.1.7) for all
+   of the attributes that could not be set. When the Printer returns
+   this status, it MUST NOT change any of the attributes supplied in the
+   operation.
+
+
+
+8  Additional out-of-band values
+
+
+   This section defines additional out-of-band values.  As with all out-
+   of-band values, a client or a Printer MUST NOT use an out-of-band
+   value unless the definition of the attribute in an operation request
+   and/or response explicitly allows such usage.  See the beginning of
+   [RFC2911] section 4.1.
+
+
+8.1 'not-settable' out-of-band value
+
+
+   The 'not-settable' out-of-band attribute value is returned by the IPP
+   Printer in the Unsupported Attributes group of a response to indicate
+   that the attribute supplied by the client in the request is READ-ONLY
+   by definition or is not settable in this implementation.
+
+
+   The 'not-settable' out-of-band attribute value is defined for use
+   with the Set-Job-Attributes and Set-Printer-Attributes response only.
+   If a future additional "set" operation allows the 'not-settable' out-
+   of-band value, its definition document MUST indicate such use
+   explicitly, including with which attributes.
+
+
+   An IPP object MUST support the 'not-settable' out-of-band value in a
+   Set-Job-Attributes or Set-Printer-Attributes request if it supports
+   those operations.  A client MUST NOT supply the 'not-settable' out-
+   of-band value in any request.  An IPP object MUST NOT support the
+   'not-settable' out-of-band value in other operations, unless the
+   operations' definition document explicitly defines such usage.  If a
+   Printer receives this out-of-band value in any operation request, the
+   Printer MUST either (1) reject the entire request and return the
+   'client-error-bad-request' status code or (2) ignore the attribute
+   and return it with the 'unsupported' out-of-band value.
+
+
+   See sections 4.1.3 and 4.2.3 in this document for an example
+   definition of the usage of the 'not-settable' out-of-band value in
+   the Set-Printer-Attributes and Set-Job-Attributes responses.
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 36]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+8.1.1     Encoding of the 'not-settable' out-of-band attribute value
+
+
+   The encoding of the 'not-settable' out-of-band value is 0x15 (see
+   [RFC2910]).  The value-length MUST be 0 and the value empty.
+
+
+8.2 'delete-attribute' out-of-band value
+
+
+   The 'delete-attribute' out-of-band attribute value is supplied by the
+   client in a request to indicate that the Printer is to remove the
+   supplied attribute and all of its values from the target object, if
+   present.
+
+
+   The 'delete-attribute' out-of-band attribute value is defined for use
+   with the Set-Job-Attributes request only.  If a future additional
+   "set" operation allows the 'delete-attribute' out-of-band value, its
+   definition document MUST indicate such use explicitly, including with
+   which attributes.
+
+
+   An IPP Printer MUST support the 'delete-attribute' out-of-band value
+   if it supports the Set-Job-Attributes operation.  A client MUST NOT
+   supply and an IPP object MUST NOT support the 'delete-attribute' out-
+   of-band value in other operations, unless the operations' definition
+   document explicitly defines such usage.  For example, the 'delete-
+   attribute' out-of-band value MUST NOT be used in the Set-Printer-
+   Attributes operation, where the absence of an attribute from an IPP
+   object indicates that the attribute is not supported.  If a Printer
+   receives this out-of-band value in other operation requests, the
+   Printer MUST either (1) reject the entire request and return the
+   'client-error-bad-request' status code or (2) ignore the attribute
+   and return it with the 'unsupported' out-of-band value.
+
+
+   See section 4.2 in this document for the definition of the usage of
+   the 'delete-attribute' out-of-band value in the Set-Job-Attributes
+   request.
+
+
+8.2.1     Encoding of the 'delete-attribute' out-of-band value
+
+
+   The encoding of the 'delete-attribute' out-of-band value is 0x16 (see
+   [RFC2910]).  The value-length MUST be 0 and the value empty.
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 37]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+8.3 'admin-define' out-of-band attribute value
+
+
+   Section 4.3 defines the Get-Printer-Supported-Values response to
+   contain the values of an "xxx-supported" attribute that are supported
+   by the implementation before any additional value are defined by the
+   administrator.  The 'admin-define' out-of-band attribute value is
+   returned as an additional value of an "xxx-supported" attribute in a
+   Get-Printer-Supported-Values response to  indicate that the
+   implementation supports allowing an administrator to define
+   additional arbitrary 'name' values for that "xxx-supported"
+   attribute.
+
+
+   For example, if the "media-supported" (1setOf (type3 keyword | name))
+   attribute contains this value, then the Printer MUST permit an
+   administrator to add new media names to the Printer's "media-
+   supported" attribute.  In order for an administrator to add new
+   values to a Printer's "xxx-supported" attribute, the client supplies
+   the existing and new values in a Set-Printer-Attributes request for
+   that attribute.  The client MUST supply any such administratively
+   defined values in the Set-Printer-Attributes request using the 'name'
+   attribute syntax.
+
+
+   The 'admin-define' out-of-band attribute value is defined for use
+   with the Get-Printer-Supported-Values response only.  A Printer MUST
+   NOT return the 'admin-define' out-of-band value in a Get-Printer-
+   Attributes response, since such a response indicates what an end-user
+   client can supply in a Job Creation operation.  If a future
+   additional "get" operation allows the 'admin-define' out-of-band
+   value, its definition document MUST indicate such use explicitly,
+   including with which attributes.
+
+
+   An IPP Printer MUST support the 'admin-define' out-of-band value, if
+   it supports a client setting arbitrary 'name' values of an "xxx-
+   supported" Printer attribute using the Set-Printer-Attributes
+   operation.  A client MUST NOT supply the 'admin-define' out-of-band
+   value in any request.  An IPP object MUST NOT support the 'admin-
+   define' out-of-band value in other operations, unless the operations'
+   definition document explicitly defines such usage.  If a Printer
+   receives this out-of-band value in any operation request, the Printer
+   MUST either (1) reject the entire request and return the 'client-
+   error-bad-request' status code or (2) ignore the attribute and return
+   it with the 'unsupported' out-of-band value.
+
+
+   This document defines that the 'admin-define' out-of-band value MUST
+   be used only with "xxx-supported" attributes that are defined to
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 38]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   include the 'name' attribute syntax.  This out-of-band value is not
+   intended to be used with "xxx-supported" attributes of other
+   attribute syntaxes, such as 'uri', even though the administrator
+   defines arbitrary values for such attributes.  If other documents
+   extend the use of the 'admin-define' out-of-band value to other
+   attribute syntaxes, such a document MUST define such use explicitly,
+   including with which attributes.
+
+
+   See section 4.3 in this document for an example definition of the
+   usage of the 'admin-define' out-of-band attribute value in any "xxx-
+   supported" attribute returned in a Get-Printer-Supported-Values
+   response that is defined to include the 'name' attribute syntax.
+
+
+8.3.1     Encoding of the 'admin-define' out-of-band attribute value
+
+
+   The encoding of the 'admin-define' out-of-band attribute value is
+   0x17 (see [RFC2910]).  The value-length MUST be 0 and the value
+   empty.
+
+
+
+9  Conformance Requirements
+
+
+   This section specifies the conformance requirements for clients and
+   IPP objects.
+
+
+   Both the Set-Job-Attributes and the Set-Printer-Attributes operations
+   defined in the document are OPTIONAL for an IPP object to support.
+   Either one MAY be supported without the other or both MAY be
+   supported.  However, if the Set-Printer-Attributes operation is
+   supported, then the Get-Printer-Supported-Values operation MUST be
+   supported if any "xxx-supported" attributes are settable.  Otherwise,
+   the Get-Printer-Supported-Values operation is OPTIONAL for an IPP
+   Printer to support.
+
+
+   If the Set-Printer-Attributes operation is supported, then the
+   Printer MUST support the following additional items:
+
+
+     1.the Get-Printer-Supported-Values operation (see section 5), if
+       any "xxx-supported" attributes are settable.
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 39]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+     2.the "printer-settable-attributes-supported" Printer Description
+       attribute (see section 6.1)
+
+
+     3.the 'not-settable' out-of-band value in responses (see section
+       8.1)
+
+
+     4.the 'client-error-not-settable' status code (see section 7.1)
+
+
+     5.If "printer-message-from-operator" Printer Description attribute
+       is supported (see [RFC2911] section 4.4.25), then it MUST be
+       settable.
+
+
+     6.the Get-Printer-Supported-Values operation (see section 4.3), if
+       any "xxx-supported" attributes are settable.
+
+
+     7.If a client can set a value with the 'name' attribute syntax for
+       one or more "xxx-supported" attributes, then the 'admin-define'
+       out-of-band attribute value (see section 8.3) MUST be supported
+       in the Get-Printer-Supported-Values response for each such
+       settable attribute (see section 4.3)
+
+
+   If the Set-Job-Attributes operation is supported, then the Printer
+   MUST support the following additional items:
+
+
+     1.the "job-settable-attributes-supported " Printer Description
+       attribute (see section 6.2)
+
+
+     2.the 'not-settable' out-of-band value in responses (see section
+       8.1)
+
+
+     3.the 'delete-attribute' out-of-band value in requests (see
+       section 8.2)
+
+
+     4.the 'client-error-not-settable' status code (see section 7.1)
+
+
+     5.If the "job-message-from-operator" Printer Description attribute
+       is supported (see [RFC2911] 4.3.16), then it MUST be settable.
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 40]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   It is OPTIONAL for the Printer object to support the "printer-
+   message-time" (integer) and "printer-message-date-time" (dateTime)
+   Printer Description attributes.  If both the "printer-message-time"
+   (integer) and the "printer-current-time" (dateTime) (see [RFC2911]
+   section 4.4.30) attributes are supported, then the "printer-message-
+   date-time" (dateTime) Printer Description attribute MUST be
+   supported.
+
+
+   As with all out-of-band values, a client or a Printer MUST NOT use an
+   out-of-band value unless the definition document for the attribute in
+   an operation request and/or response explicitly allows such usage.
+
+
+
+10 IANA Considerations
+
+   This section contains the exact information for IANA to add to the
+   IPP Registries according to the procedures defined in RFC 2911
+   [RFC2911] section 6.
+
+    Note to RFC Editors:  Replace RFC NNNN below with the RFC number for
+    this document, so that it accurately reflects the content of the
+    information for the IANA Registry.
+
+10.1 Operation Registrations
+
+   The operations defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.4 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/operations/
+
+   The registry entry will contain the following information:
+
+   Operations:                                       Ref.      Section:
+   Set-Printer-Attributes                            RFC NNNN       4.1
+   Set-Job-Attributes                                RFC NNNN       4.2
+   Get-Printer-Supported-Values                      RFC NNNN       4.3
+
+
+10.2 Attribute Registrations
+
+   The attributes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.2 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attributes/
+
+   The registry entry will contain the following information:
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 41]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+   Operation attributes:                             Ref.      Section:
+   printer-message-from-operator (text(127))         RFC NNNN       5.1
+   job-message-from-operator (text(127))             RFC NNNN       5.2
+
+   Printer Description attributes:                   Ref.      Section:
+   printer-settable-attributes-supported (1setOf type2 keyword)
+                                                     RFC NNNN       6.1
+   job-settable-attributes-supported (1setOf type2 keyword)
+                                                     RFC NNNN       6.2
+   document-format-varying-attributes (1setOf type2 keyword)
+                                                     RFC NNNN       6.3
+   printer-message-time (integer(MIN:MAX))           RFC NNNN       6.4
+   printer-message-date-time (dateTime)              RFC NNNN       6.5
+   printer-xri-supported (1setOf collection)         RFC NNNN       6.6
+   xri-uri-scheme-supported (1setOf uriScheme)       RFC NNNN       6.7
+   xri-authentication-supported (1setOf type2 keyword)              6.8
+   xri-security-supported (1setOf type2 keyword)     RFC NNNN       6.9
+
+
+10.3 Status code Registrations
+
+   The status codes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.6 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/status-codes/
+
+   The registry entry will contain the following information:
+
+   Status codes:                                     Ref.      Section:
+   'client-error-attributes-not-settable' (0x0413)   RFC NNNN       7.1
+
+
+10.4 Out-of-band Attribute Value Registrations
+
+   The out-of-band attribute values defined in this document will be
+   published by IANA according to the procedures in RFC 2911 [RFC2911]
+   section 6.7 with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/out-of-band-attribute-value-tags/
+
+   The registry entry will contain the following information:
+
+   Out-of-band Attribute Values:                     Ref.      Section:
+   'not-settable' out-of-band value                  RFC NNNN       8.1
+   'delete-attribute' out-of-band value              RFC NNNN       8.2
+   'admin-define' out-of-band attribute value        RFC NNNN       8.3
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 42]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+11 Internationalization Considerations
+
+   This document has the same localization considerations as the
+   [RFC2911].
+
+
+12 Security Considerations
+
+
+   The IPP Model and Semantics document [RFC2911 section 8] discusses
+   high level security requirements (Client Authentication, Server
+   Authentication and Operation Privacy). Client Authentication is the
+   mechanism by which the client proves its identity to the server in a
+   secure manner. Server Authentication is the mechanism by which the
+   server proves its identity to the client in a secure manner.
+   Operation Privacy is defined as a mechanism for protecting operations
+   from eavesdropping.
+
+
+   In addition, the introduction of the Set-Printer-Attributes and Set-
+   Job-Attributes operations creates another security threat, since the
+   client is able to modify the Printer and Job attributes stored in the
+   Printer.  Such modifications could lead to denial of service.
+
+
+   A malicious user could alter the policy established by the system
+   administrator and stored in the Printer attributes.  Such alteration
+   could either grant access to more resources or deny access to
+   resources that the system administrator has established.  For
+   example, the malicious user could remove all of the document-format
+   values from the "document-format-supported" Printer attribute so that
+   the Printer would refuse to accept all jobs.
+
+
+   The general remedy for such malicious user actions against Printer
+   attributes is to have strong Client Authentication coupled with
+   Printer access control to limit the users who have System
+   Administrator or Operator privileges.
+
+
+   A malicious user could modify the Job Template attributes of another
+   user's Job, such as the "copies" attribute.  For example, setting the
+   number of copies to a large number.
+
+
+   The general remedy for such malicious user actions against another
+   user's job is to have strong Client Authentication coupled with
+   Printer access control to limit the users who have System
+   Administrator or Operator privileges who can modify any job and, in
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 43]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   addition, store the Client Authentication with each Job so that only
+   the job owner End User can modify his/her own job.
+
+
+
+13 Author's Addresses
+
+   Carl Kugler
+   IBM
+   P.O. Box 1900
+   Boulder, CO 80301-9191
+
+   Phone: (303) 924-5060
+   FAX:
+   e-mail:  kugler@us.ibm.com
+
+   Tom Hastings
+   Xerox Corporation
+   737 Hawaii St.  ESAE 231
+   El Segundo, CA  90245
+
+   Phone: 310-333-6413
+   Fax: 310-333-5514
+   e-mail: hastings@cp10.es.xerox.com
+
+   Robert Herriot
+   Xerox Corp.
+   3400 Hill View Ave, Building 1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:    650-813-6860
+   e-mail: robert.herriot@pahv.xerox.com
+
+   Harry Lewis
+   IBM
+   P.O. Box 1900
+   Boulder, CO 80301-9191
+
+   Phone: (303) 924-5337
+   FAX:
+   e-mail:  harryl@us.ibm.com
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 44]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+14 References
+
+   [ipp-coll]
+     deBry, R., , Hastings, T., Herriot, R., "Internet Printing Protocol
+     (IPP): The Collection Attribute Syntax", <draft-ietf-ipp-
+     collection-02.doc>, work in progress, March 9, 2000.
+
+   [ipp-set2]
+     Kugler, C, Hastings, T., Lewis, H., "Internet Printing
+     Protocol/1.1: Job and Printer Administrative Operations", <draft-
+     ietf-ipp-ops-set2-01.txt>, December 8, 1999.
+
+   [ldap-printer]
+     Fleming, P., Jones, K., Lewis, H., McDonald, I., "Internet Printing
+     Protocol (IPP): LDAP Schema for Printer Services", <draft-ietf-ipp-
+     ldap-printer-schema-00.txt>, work in progress, March 8, 2000.
+
+   [RFC2565]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2565, April 1999.
+
+   [RFC2566]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Turner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", RFC 2910, September 2000.
+
+   [RFC2911]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2911,
+     September 2000.
+
+   [svrloc-printer]
+     St. Pierre, P., Isaacson, S., McDonald, I., "Definition of the
+     Printer Abstract Service Type v2.0", <draft-ietf-svrloc-printer-
+     scheme-06.txt>, work in progress, March 8, 2000.
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 45]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+15 Appendix A: Allowed Values for Set-Printer-Attributes and Set-Job-
+   Attributes requests
+
+
+   This appendix is a normative part of this document and contains a
+   table of all IPP/1.1 attributes.  Each row contains:
+
+     . an attribute and
+
+     . the values allowed in the Set-Printer-Attributes or Set-Job-
+       Attributes request for the attribute.  The entry in each cell is
+       the name (first few words) of each item below 1, 2, 3, 4a-g, and
+       5.
+
+   The allowed values include the following cases:
+
+   1.READ-ONLY:  the Set-Printer-Attributes or Set-Job-Attributes
+     operation MUST NOT change this attribute and MUST reject the
+     entire operation (see section 7.1).
+
+   2.Any of  "xxx-supported":  the  Set-Printer-Attributes or Set-Job-
+     Attributes operation accepts values that are allowed according to
+     the IPP/1.1 rules for validating the value(s) of an "xxx" Printer
+     or Job attribute against the value(s) of the corresponding "xxx-
+     supported" Printer attribute.  Table 4 summarizes those validation
+     rules depending on each attribute syntax and value of an "xxx"
+     attribute supplied in the request and that of the corresponding
+     "xxx-supported" Printer attribute.  The "xxx-supported" attribute
+     syntax type and value(s) are obtained from a Get-Printer-
+     Supported-Values response (see the tables in this Appendix).
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 46]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+         Table 4 - Validation rules for 'Any of "xxx-supported" '
+
+
+
+     Type of "xxx"  Type of "xxx-      Validates if:
+     value to be    supported" value
+     set
+
+
+     integer        rangeOfInteger     each value is in one of the
+                                       "xxx-supported" ranges
+
+     uri            uriScheme          each uri scheme matches one
+                                       of the "xxx-supported"
+                                       schemes
+
+     any            boolean            if the boolean "xxx-
+                                       supported" is 'true'
+
+     any            same type          each value matches an "xxx-
+                                       supported" value of the same
+                                       type
+
+
+
+     For additional non-normative explanatory information see section
+     3.1.2.3 of the "Internet Printing Protocol/1.1: Implementer's
+     Guide" [ipp-iig]).
+
+  3. From Get-Printer-Supported-Values:  the  Set-Printer-Attributes
+     operation accepts values that are allowed according to the IPP/1.1
+     rules for validating the value(s) of an "xxx" Printer attribute
+     against the value(s) of the corresponding "xxx-supported" Printer
+     attribute.  Table 5 summarizes those validation rules depending on
+     each attribute syntax and value of an "xxx" attribute supplied in
+     the request and that of the corresponding "xxx-supported" Printer
+     attribute.  The "xxx-supported" attribute syntax type and attribute
+     value(s) are obtained from a Get-Printer-Supported-Values response
+     (see Appendix B: Attributes returned from Get-Printer-Supported-
+     Values below).
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 47]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+    Table 5 - Validation rules for 'From Get-Printer-Supported-Values'
+
+
+
+     Type of     Type of "xxx-     Validates if:
+     "xxx"       supported" value
+     value to
+     be set
+
+
+     integer     rangeOfInteger    each 'integer' value is in one of
+                                   the "xxx-supported" ranges
+
+     uri         uriScheme         the uri scheme of each value
+                                   matches one of the "xxx-supported"
+                                   schemes
+
+     any         boolean           if the boolean "xxx-supported" is
+                                   'true'
+
+     name        'admin-define'    any 'name' value matches
+                 out-of-band
+                 value
+
+     any         same type         each value matches an "xxx-
+                                   supported" value of the same type
+
+
+
+     For additional non-normative explanatory information see section
+     3.1.2.3 of the "Internet Printing Protocol/1.1: Implementer's
+     Guide" [ipp-iig]).
+
+  4. Any value of the proper attribute syntax:  the Set-Printer-
+     Attributes or Set-Job-Attributes operation accepts any value of the
+     specified attribute syntax.  The attribute syntaxes supported are
+     enumerated below.
+
+     a.Any text(127)
+     b.Any name(127)
+     c.Any uri
+     d.Any boolean
+     e.Any positive integer
+     f.Any dateTime
+     g.1setOf any uri
+
+  5. Combination of 'Any of "xxx-supported"' or 'Any name'.
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 48]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   If a Printer implementation doesn't want to allow setting values
+   indicated in this Appendix as "any xxx", it can make the value be
+   not-settable.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 49]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Table 6 - Values allowed for Job Template Attributes in the Set-Job-
+                           Attributes Operation
+
+
+
+    Job Template Attributes                      Values allowed for
+                                                 Set
+
+
+
+
+    job-priority (integer(1:100))                Any of  "xxx-
+                                                 supported"
+
+    job-hold-until (type3 keyword | name (MAX))  Any of  "xxx-
+                                                 supported"
+
+    job-sheets (type3 keyword | name(MAX))       Any of  "xxx-
+                                                 supported"
+
+    multiple-document-handling (type2 keyword)   Any of  "xxx-
+                                                 supported"
+
+    copies (integer(1:MAX))                      Any of  "xxx-
+                                                 supported"
+
+    finishings (1setOf type2 enum)               Any of  "xxx-
+                                                 supported"
+
+    page-ranges (1setOf rangeOfInteger (1:MAX))  Any of  "xxx-
+                                                 supported"
+
+    sides (type2 keyword)                        Any of  "xxx-
+                                                 supported"
+
+    number-up (integer(1:MAX))                   Any of  "xxx-
+                                                 supported"
+
+    orientation-requested (type2 enum)           Any of  "xxx-
+                                                 supported"
+
+    media (type3 keyword | name(MAX))            Any of  "xxx-
+                                                 supported"
+
+    printer-resolution (resolution)              Any of  "xxx-
+                                                 supported"
+
+    print-quality (type2 enum)                   Any of  "xxx-
+                                                 supported"
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 50]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 51]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+    Table 7 - Values allowed for Job Description Attributes in the Set-
+                         Job-Attributes Operation
+
+
+
+    Job Description Attributes                   Values allowed for
+                                                 Set
+
+
+
+
+    job-uri (uri)                                READ-ONLY
+
+    job-id (integer(1:MAX))                      READ-ONLY
+
+    job-printer-uri (uri)                        READ-ONLY
+
+    job-more-info (uri)                          READ-ONLY
+
+    job-name (name(MAX))                         Any name(MAX)
+
+    job-originating-user-name (name(MAX))        READ-ONLY
+
+    job-state (type1 enum)                       READ-ONLY
+
+    job-state-reasons (1setOf  type2 keyword)    READ-ONLY
+
+    job-state-message (text(MAX))                READ-ONLY
+
+    job-detailed-status-messages (1setOf         READ-ONLY
+    text(MAX))
+
+    job-document-access-errors (1setOf           READ-ONLY
+    text(MAX))
+
+    number-of-documents (integer(0:MAX))         READ-ONLY
+
+    output-device-assigned (name(127))           READ-ONLY
+
+    time-at-creation (integer(MIN:MAX))          READ-ONLY
+
+    time-at-processing (integer(MIN:MAX))        READ-ONLY
+
+    time-at-completed (integer(MIN:MAX))         READ-ONLY
+
+    job-printer-up-time (integer(1:MAX))         READ-ONLY
+
+    date-time-at-creation (dateTime)             READ-ONLY
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 52]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Job Description Attributes                   Values allowed for
+                                                 Set
+
+
+
+
+    date-time-at-processing (dateTime)           READ-ONLY
+
+    date-time-at-completed (dateTime)            READ-ONLY
+
+    number-of-intervening-jobs (integer(0:MAX))  READ-ONLY
+
+    job-message-from-operator (text(127))        Any text(127)
+
+    job-k-octets (integer(0:MAX))                READ-ONLY
+
+    job-impressions (integer(0:MAX))             READ-ONLY
+
+    job-media-sheets (integer(0:MAX))            READ-ONLY
+
+    job-k-octets-processed (integer(0:MAX))      READ-ONLY
+
+    job-impressions-completed (integer(0:MAX))   READ-ONLY
+
+    job-media-sheets-completed (integer(0:MAX))  READ-ONLY
+
+    attributes-charset (charset)                 READ-ONLY
+
+    attributes-natural-language                  READ-ONLY
+    (naturalLanguage)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 53]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+    Table 8 - Values allowed for Printer Job Template Attributes in the
+                     Set-Printer-Attributes Operation
+
+
+
+    Printer Job Template Attributes                 Values allowed
+                                                    for Set
+
+
+    job-priority-default (integer(1:100))           Any of  "xxx-
+                                                    supported"
+
+    job-hold-until-default (type3 keyword | name    Any of  "xxx-
+    (MAX))                                          supported"
+
+    job-sheets-default (type3 keyword | name(MAX))  Any of  "xxx-
+                                                    supported"
+
+    multiple-document-handling-default (type2       Any of  "xxx-
+    keyword)                                        supported"
+
+    copies-default (integer(1:MAX))                 Any of  "xxx-
+                                                    supported"
+
+    finishings-default (1setOf type2 enum)          Any of  "xxx-
+                                                    supported"
+
+    sides-default (type2 keyword)                   Any of  "xxx-
+                                                    supported"
+
+    number-up-default (integer(1:MAX))              Any of  "xxx-
+                                                    supported"
+
+    orientation-requested-default (type2 enum)      Any of  "xxx-
+                                                    supported"
+
+    media-default (type3 keyword | name(MAX))       Any of  "xxx-
+                                                    supported"
+
+    printer-resolution-default (resolution)         Any of  "xxx-
+                                                    supported"
+
+    print-quality-default (type2 enum)              Any of  "xxx-
+                                                    supported"
+
+    job-priority-supported (integer(1:100))         From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 54]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Printer Job Template Attributes                 Values allowed
+                                                    for Set
+
+
+    job-hold-until-supported (1setOf(type3 keyword  From Get-
+    | name (MAX)))                                  Printer-
+                                                    Supported-Values
+
+    job-sheets-supported (1setOf(type3 keyword |    From Get-
+    name(MAX)))                                     Printer-
+                                                    Supported-Values
+
+    multiple-document-handling-supported (1setOf    From Get-
+    type2 keyword)                                  Printer-
+                                                    Supported-Values
+
+    copies-supported (rangeOfInteger(1:MAX))        From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+    finishings-supported (1setOf type2 enum)        From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+    page-ranges-supported (boolean)                 From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+    sides-supported (1setOf type2 keyword)          From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+    number-up-supported (1setOf (integer(1:MAX) |   From Get-
+    rangeOfInteger(1:MAX)))                         Printer-
+                                                    Supported-Values
+
+    orientation-requested-supported (1setOf type2   From Get-
+    enum)                                           Printer-
+                                                    Supported-Values
+
+    media-supported (1setOf (type3 keyword |        From Get-
+    name(MAX)))                                     Printer-
+                                                    Supported-Values
+
+    printer-resolution-supported (1setOf            From Get-
+    resolution)                                     Printer-
+                                                    Supported-Values
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 55]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Printer Job Template Attributes                 Values allowed
+                                                    for Set
+
+
+    print-quality-supported (1setOf type2 enum)     From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+    media-ready (type3 keyword | name(MAX))         From Get-
+                                                    Printer-
+                                                    Supported-Values
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 56]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+    Table 9 - Values allowed for Printer Description Attributes in the
+                     Set-Printer-Attributes Operation
+
+
+
+    Printer Description Attributes               Values allowed for
+                                                 Set
+
+
+    printer-uri-supported (1setOf uri)           READ-ONLY
+
+    uri-authentication-supported (1setOf type2   READ-ONLY
+    keyword)
+
+    uri-security-supported (1setOf type2         READ-ONLY
+    keyword)
+
+    printer-xri-supported (1setOf collection)
+    member attributes:
+
+      xri-uri (uri)                              any uriScheme of
+                                                 "xri-uri-scheme-
+                                                 supported" from
+                                                 Get-Printer-
+                                                 Attributes
+
+      xri-authentication (1setOf type2 keyword)  any keyword of
+                                                 "xri-
+                                                 authentication-
+                                                 supported" from
+                                                 Get-Printer-
+                                                 Attributes
+
+      xri-security (1setOf type2 keyword)        any keyword of
+                                                 "xri-security-
+                                                 supported" from
+                                                 Get-Printer-
+                                                 Attributes
+
+    xri-uri-scheme-supported (1setOf uriScheme)  READ-ONLY
+
+    xri-authentication-supported (1setOf type2   READ-ONLY
+    keyword)
+
+    xri-security-supported (1setOf type2         READ-ONLY
+    keyword)
+
+    printer-name (name(127))                     Any name(127)
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 57]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Printer Description Attributes               Values allowed for
+                                                 Set
+
+
+    printer-location (text(127))                 Any text(127)
+
+    printer-info (text(127))                     Any text(127)
+
+    printer-more-info (uri)                      Any uri
+
+    printer-driver-installer (uri)               Any uri
+
+    printer-make-and-model (text(127))           Any text(127)
+
+    printer-more-info-manufacturer (uri)         Any uri
+
+    printer-state (type1 enum)                   READ-ONLY
+
+    printer-state-reasons (1setOf type2          READ-ONLY
+    keyword)
+
+    printer-state-message (text(MAX))            READ-ONLY
+
+    ipp-versions-supported (1setOf type2         From Get-Printer-
+    keyword)                                     Supported-Values
+
+    operations-supported (1setOf type2 enum)     From Get-Printer-
+                                                 Supported-Values
+
+    multiple-document-jobs-supported (boolean)   From Get-Printer-
+                                                 Supported-Values
+
+    charset-configured (charset)                 Any of  "xxx-
+                                                 supported", use
+                                                 "charset-supported"
+
+    charset-supported (1setOf charset)           From Get-Printer-
+                                                 Supported-Values
+
+    natural-language-configured                  Any of  "xxx-
+    (naturalLanguage)                            supported", use
+                                                 "generated-natural-
+                                                 language-supported"
+
+    generated-natural-language-supported         From Get-Printer-
+    (1setOf naturalLanguage)                     Supported-Values
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 58]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Printer Description Attributes               Values allowed for
+                                                 Set
+
+
+    document-format-default (mimeMediaType)      Any of  "xxx-
+                                                 supported"
+
+    document-format-supported (1setOf            From Get-Printer-
+    mimeMediaType)                               Supported-Values
+
+    printer-is-accepting-jobs (boolean)          READ-ONLY
+
+    queued-job-count (integer(0:MAX))            READ-ONLY
+
+    printer-message-from-operator (text(127))    Any text(127)
+
+    color-supported (boolean)                    From Get-Printer-
+                                                 Supported-Values
+
+    reference-uri-schemes-supported (1setOf      From Get-Printer-
+    uriScheme)                                   Supported-Values
+
+    pdl-override-supported (type2 keyword)       From Get-Printer-
+                                                 Supported-Values
+
+    printer-up-time (integer(1:MAX))             READ-ONLY
+
+    printer-current-time (dateTime)              Any dateTime **
+
+    multiple-operation-time-out                  any positive
+    (integer(1:MAX))                             integer
+
+    compression-supported (1setOf type3          From Get-Printer-
+    keyword)                                     Supported-Values
+
+    job-k-octets-supported                       From Get-Printer-
+    (rangeOfInteger(0:MAX))                      Supported-Values
+
+    job-impressions-supported                    From Get-Printer-
+    (rangeOfInteger(0:MAX))                      Supported-Values
+
+    job-media-sheets-supported                   From Get-Printer-
+    (rangeOfInteger(0:MAX))                      Supported-Values
+
+    pages-per-minute (integer(0:MAX))            READ-ONLY
+
+    pages-per-minute-color (integer(0:MAX))      READ-ONLY
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 59]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Printer Description Attributes               Values allowed for
+                                                 Set
+
+
+    printer-settable-attributes-supported        From Get-Printer-
+    (1setOf type2 keyword)                       Supported-Values
+
+    job-settable-attributes-supported (1setOf    From Get-Printer-
+    type2 keyword)                               Supported-Values
+
+    document-format-varying-attributes (1setOf   READ-ONLY
+    type2 keyword)
+
+    printer-message-time (integer(MIN:MAX))      READ-ONLY
+
+    printer-message-date-time(dateTime)          READ-ONLY
+
+
+   ** - The "printer-current-time" (dateTime) attribute is settable in
+   order to allow an administrator to correct an incorrect dateTime or
+   time zone.
+
+
+16 Appendix B: Attributes returned from Get-Printer-Supported-Values
+
+
+   This Appendix is a normative part of this document and lists all the
+   attributes that are possible for an implementation to return in a
+   Get-Printer-Supported-Values response, i.e., all the "xxx-supported"
+   attributes that can be supplied in a Set-Printer-Attributes request.
+   READ-ONLY attributes MUST NOT be returned in a Get-Printer-Supported-
+   Values response and are indicated in the tables as "READ-ONLY - MUST
+   NOT be returned."
+
+
+   For the following attributes, the value allowed by the Set-Printer-
+   Attributes operation MUST be a single integer value in the range
+   specified by the value returned by the Get-Printer-Supported-Values
+   operation.
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 60]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Table 10 - Printer Job Template Attributes returned from Get-Printer-
+                             Supported-Values
+
+
+
+    Printer Job Template Attributes            Values Returned
+
+
+    job-priority-supported (integer(1:100))    rangeOfInteger(1:100)
+
+
+
+   For the following attributes, the value allowed by the Set-Printer-
+   Attributes operation MUST be a single rangeOfInteger value whose
+   bounds do not exceed those of  the range specified by the value
+   returned by the Get-Printer-Supported-Values operation.
+
+   Table 11 - Printer Job Template Attributes returned from Get-Printer-
+                             Supported-Values
+
+
+
+    Printer Job Template Attributes             Values Returned
+
+
+    copies-supported (rangeOfInteger(1:MAX))    rangeOfInteger(1:MAX)
+
+
+
+
+
+   The following table has the same criteria as the last, but is for
+   Printer Description attributes.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 61]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Table 12 - Printer Description Attributes returned from Get-Printer-
+                             Supported-Values
+
+
+
+    Printer Description Attributes            Values allowed for Set
+
+
+    job-k-octets-supported                    rangeOfInteger(0:MAX)
+    (rangeOfInteger(0:MAX))
+
+    job-impressions-supported                 rangeOfInteger(0:MAX)
+    (rangeOfInteger(0:MAX))
+
+    job-media-sheets-supported                rangeOfInteger(0:MAX)
+    (rangeOfInteger(0:MAX))
+
+
+
+   For the following attributes, the value allowed by the Set-Printer-
+   Attributes operation MUST be one or more integers and rangeOfInteger
+   values, such that the integer values described by these integers and
+   rangeOfInteger is the same as or a subset of the integers described
+   by the integers and rangeOf Integer of value returned by the Get-
+   Printer-Supported-Values operation.
+
+   Table 13 - Printer Job Template Attributes returned from Get-Printer-
+                             Supported-Values
+
+
+
+    Printer Job Template Attributes              Values Returned
+
+
+    number-up-supported (1setOf (integer(1:MAX)  1setOf
+    | rangeOfInteger(1:MAX)))                    (integer(1:MAX) |
+                                                 rangeOfInteger(1:MA
+                                                 X))
+
+
+
+   For the following attributes, the value allowed by the Set-Printer-
+   Attributes operation MUST be one or more values, where each such
+   value matches a value returned by the Get-Printer-Supported-Values
+   operation. A keyword, enum, boolean, charset, naturalLanguage,
+   uriScheme, mimeMediaType or resolution value matches if it is equal.
+   For Job Template attributes with the attribute syntax 'type3 keyword
+   | name', any 'name' attribute syntax value matches the 'admin-define'
+   out-of-band value, if the implementation allows the administrator to
+   set any name values for the attribute.
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 62]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Table 14 - Printer Job Template Attributes returned from Get-Printer-
+                             Supported-Values
+
+
+
+    Printer Job Template Attributes              Values Returned
+
+
+    job-hold-until-supported (1setOf(type3       1setOf (type3
+    keyword | name (MAX)))                       keyword | 'admin-
+                                                 define')
+
+    job-sheets-supported (1setOf(type3 keyword   1setOf (type3
+    | name(MAX)))                                keyword | 'admin-
+                                                 define')
+
+    multiple-document-handling-supported         1setOf type2
+    (1setOf type2 keyword)                       keyword
+
+    finishings-supported (1setOf type2 enum)     1setOf type2 enum
+
+    page-ranges-supported (boolean)              1setOf boolean **
+
+    sides-supported (1setOf type2 keyword)       1setOf type2
+                                                 keyword
+
+    orientation-requested-supported (1setOf      1setOf type2 enum
+    type2 enum)
+
+    media-supported (1setOf (type3 keyword |     1setOf (type3
+    name(MAX)))                                  keyword | 'admin-
+                                                 define')
+
+    printer-resolution-supported (1setOf         1setOf resolution
+    resolution)
+
+    print-quality-supported (1setOf type2 enum)  1setOf type2 enum
+
+
+   ** Note:  the Get-Printer-Supported-Values returns a '1setOf boolean'
+   so that all possible values are indicated, while Get-Printer-
+   Attributes returns only a single 'boolean' value.
+
+
+   The following table has the same criteria as the last, but is for
+   Printer Description attributes.
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 63]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   Table 15 - Printer Description Attributes returned from Get-Printer-
+                             Supported-Values
+
+
+
+    Printer Description Attributes               Values allowed for
+                                                 Set
+
+
+    printer-uri-supported (1setOf uri)           READ-ONLY - MUST
+                                                 NOT be returned
+
+    uri-authentication-supported (1setOf type2   READ-ONLY - MUST
+    keyword)                                     NOT be returned
+
+    uri-security-supported (1setOf type2         READ-ONLY - MUST
+    keyword)                                     NOT be returned
+
+    xri-printer-supported (1setOf collection)    MUST NOT be
+                                                 returned; see next
+                                                 three attributes
+                                                 returned with Get-
+                                                 Printer-Attributes:
+
+    xri-uri-scheme-supported (1setOf uriScheme)  READ-ONLY - MUST
+                                                 NOT be returned
+
+    xri-authentication-supported (1setOf type2   READ-ONLY - MUST
+    keyword)                                     NOT be returned
+
+    xri-security-supported (1setOf type2         READ-ONLY - MUST
+    keyword)                                     NOT be returned
+
+    ipp-versions-supported (1setOf type2         1setOf type2
+    keyword)                                     keyword
+
+    operations-supported (1setOf type2 enum)     1setOf type2
+                                                 keyword
+
+    multiple-document-jobs-supported (boolean)   1setOf boolean **
+
+    charset-supported (1setOf charset)           1setOf charset
+
+    generated-natural-language-supported         1setOf
+    (1setOf naturalLanguage)                     naturalLanguage
+
+    document-format-supported (1setOf            1setOf
+    mimeMediaType)                               mimeMediaType
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 64]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+
+
+    Printer Description Attributes               Values allowed for
+                                                 Set
+
+
+    color-supported (boolean)                    1setOf boolean **
+
+    reference-uri-schemes-supported (1setOf      1setOf uriScheme
+    uriScheme)
+
+    pdl-override-supported (type2 keyword)       1setOf type2
+                                                 keyword **
+
+    compression-supported (1setOf type3          1setOf type3
+    keyword)                                     keyword
+
+    printer-settable-attributes-supported        1setOf type2
+    (1setOf type2 keyword)                       keyword
+
+    job-settable-attributes-supported (1setOf    1setOf type2
+    type2 keyword)                               keyword
+
+
+   ** Note:  the Get-Printer-Supported-Values returns a '1setOf X' so
+   that all possible values are indicated, while Get-Printer-Attributes
+   returns only a single 'X' value.
+
+
+
+
+17 Appendix C: Full Copyright Statement
+
+
+   Copyright (C) The Internet Society (1998,1999,2000,2001). All Rights
+   Reserved
+
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 65]
+
+
+INTERNET-DRAFT   IPP: Job and Printer Set Operations    January 22, 2001
+
+
+   followed, or as required to translate it into languages other than
+   English.
+
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
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+
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+
+
+
+
+
+
+
+Hastings, et al.       Expires:  July 22, 2001                 [Page 66]
diff --git a/standards/draft-ietf-ipp-job-prog-02.txt b/standards/draft-ietf-ipp-job-prog-02.txt
new file mode 100644
index 000000000..68ac0f577
--- /dev/null
+++ b/standards/draft-ietf-ipp-job-prog-02.txt
@@ -0,0 +1,986 @@
+
+
+
+
+
+
+INTERNET-DRAFT
+<draft-ietf-ipp-job-prog-02.txt>                             T. Hastings
+Category:  standards track                             Xerox Corporation
+                                                                H. Lewis
+                                                    IBM Printing Company
+                                                              R. Bergman
+                                          Hitachi Koki Imaging Solutions
+                                                        January 23, 2001
+
+                     Internet Printing Protocol (IPP):
+                          Job Progress Attributes
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+Status of this Memo:
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+   This document defines four new Job Description attributes for
+   monitoring job progress to be registered as extensions to IPP/1.0
+   [RFC2566] and IPP/1.1 [RFC2911].  These attributes are drawn from the
+   PWG Job Monitoring MIB [rfc2707].  The new Job Description attributes
+   are:
+
+  "job-collation-type" (type2 enum)
+  "sheet-completed-copy-number" (integer(0:MAX))
+  "sheet-completed-document-number" (integer(0:MAX))
+  "impressions-completed-current-copy" (integer(0:MAX))
+
+   This document also defines a new "sheet-collate" Job Template
+   attribute to control sheet collation and to help with the
+   interpretation of the job progress attributes.  These new attributes
+   may also be used by themselves in combination with the IPP/1.1 "job-
+   impressions-completed" attribute as useful job progress monitoring
+   attributes and/or may be passed in an IPP Notification (see [ipp-
+   ntfy]).
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 1]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+   The full set of IPP documents includes:
+
+  Design Goals for an Internet Printing Protocol [RFC2567]
+  Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+  Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+  Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+  Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+  Mapping between LPD and IPP Protocols [RFC2569]
+  Internet Printing Protocol/1.0 & 1.1:  Event Notification
+     Specification [ipp-ntfy]
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Model and Semantics" document
+   describes a simplified model with abstract objects, their attributes,
+   and their operations that are independent of encoding and transport.
+   It introduces a Printer and a Job object.  The Job object optionally
+   supports multiple documents per Job.  It also addresses security,
+   internationalization, and directory issues.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting over HTTP a message body whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ipp'
+   for identifying IPP printers and jobs.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 2]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+   The "Event Notification Specification" document defines OPTIONAL
+   operations that allow a client to subscribe to printing related
+   events.  Subscriptions include "Per-Job subscriptions" and "Per-
+   Printer subscriptions".  Subscriptions are modeled as Subscription
+   objects.  Four other operations are defined for subscription objects:
+   get attributes, get subscriptions, renew a subscription, and cancel a
+   subscription.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
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+
+
+
+
+
+
+
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 3]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+
+TABLE OF CONTENTS
+
+   1  New Job Template attribute......................................5
+   1.1  sheet-collate (type2 keyword) ................................5
+
+   2  IPP Job Description attributes for monitoring Job Progress......8
+   2.1  job-collation-type (type2 enum) .............................11
+   2.2  sheet-completed-copy-number (integer(0:MAX)) ................12
+   2.3  sheet-completed-document-number (integer(0:MAX)) ............13
+   2.4  impressions-completed-current-copy (integer(0:MAX)) .........13
+
+   3  Conformance Requirements.......................................13
+
+   4  IANA Considerations............................................13
+   4.1  Attribute Registrations .....................................14
+
+   5  Internationalization Considerations............................14
+
+   6  Security Considerations........................................14
+
+   7  References.....................................................15
+
+   8  Author's Addresses.............................................16
+
+   9  Full Copyright Statement.......................................16
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 4]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+
+
+
+
+1  New Job Template attribute
+
+
+1.1 sheet-collate (type2 keyword)
+
+   +===================+======================+=====================+
+   | Job Attribute     |Printer: Default Value|  Printer: Supported |
+   |                   |   Attribute          |   Values Attribute  |
+   +===================+======================+=====================+
+   | sheet-collate     | sheet-collate-default| sheet-collate-      |
+   | (type2 keyword)   | (type2 keyword)      |  supported (1setOf  |
+   |                   |                      |      type2 keyword) |
+   +-------------------+----------------------+---------------------+
+   This attribute specifies whether or not the media sheets of each copy
+   of each printed document in a job are to be in sequence, when
+   multiple copies of the document are specified by the 'copies'
+   attribute.
+
+   Standard keyword values are:
+
+     'uncollated':  each print-stream sheet is printed a number of times
+       in succession equal to the value of the 'copies' attribute,
+       followed by the next print-stream sheet.
+
+     'collated':  each copy of each document is printed with the print-
+       stream sheets in sequence, followed by the next document copy.
+
+   For example, suppose a document produces two media sheets as output,
+   and "copies" is equal to '6',  For the 'uncollated' case, six copies
+   of the first media sheet are printed followed by six copies of the
+   second media sheet.  For the 'collated' case, one copy of each of the
+   six sheets are printed followed by another copy of each of the six
+   media sheets.
+
+   Whether the effect of sheet collation is achieved by placing copies
+   of a document in multiple output bins or in the same output bin with
+   implementation defined document separation is implementation
+   dependent.  Also whether it is achieved by making multiple passes
+   over the job or by using an output sorter is implementation
+   dependent.
+
+   Note:  IPP/1.0 [RFC2566] and IPP/1.1 [RFC2911] is silent on whether
+   or not sheets within documents are collated.  The "sheet-collate-
+   supported" Printer attribute permits a Printer object to indicate
+   whether or not it collates sheets with each document and whether it
+   allows the client to control sheet collation.  An implementation is
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 5]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+   able to indicate that it supports uncollated sheets, collated sheets,
+   or both, using the 'uncollated', 'collated', or both 'uncollated' and
+   'collated' values, respectively.
+
+   This attribute is affected by "multiple-document-handling."  The
+   "multiple-document-handling" attribute describes the collation of
+   documents, and the "sheet-collate" attribute describes the semantics
+   of collating individual pages within a document.  To better explain
+   the interaction between these two attributes the term "set" is
+   introduced.  A "set" is a logical boundary between the delivered
+   media sheets of a printed job.  For-example, in the case of a ten
+   page single document with collated pages and a request for 50 copies,
+   each of the 50 printed copies of the document constitutes a "set."
+   In the above example if the pages were uncollated, then 50 copies of
+   each of the individual pages within the document would represent each
+   "set".
+
+   The following table describes the interaction of "sheet-collate" with
+   multiple document handling.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
+
+
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 6]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+
+
+     "sheet-        "multiple-       Semantics
+     collate"       document-
+                    handling"
+
+
+     'collated'     'single-         Each copy of the concatenated
+                    document'        documents, with their pages in
+                                     sequence, represents a "set."
+
+     'collated'     'single-         Each copy of the concatenated
+                    document-new-    documents, with their pages in
+                    sheet'           sequence, represents a "set."
+
+     'collated'     'separate-       Each copy of each separate
+                    documents-       document, with its pages in
+                    collated-        sequence, represents a "set."
+                    copies'
+
+     'collated'     'separate-       Each copy of each separate
+                    documents-       document, with its pages in
+                    uncollated-      sequence, represents a "set."
+                    copies
+
+     'uncollated'   'single-         Each media sheet of the document
+                    document'        is printed a number of times equal
+                                     to the "copies" attribute; which
+                                     constitutes a "set."
+
+     'uncollated'   'single-         Each media sheet of the
+                    document-new-    concatenated documents is printed
+                    sheet'           a number of times equal to the
+                                     "copies" attribute; which
+                                     constitutes a "set."
+
+     'uncollated'   'separate-       This is a degenerate case, and the
+                    documents-       printer object MUST reject the job
+                    collated-        and return the status, "client-
+                    copies'          error-conflicting-attributes."
+
+     'uncollated'   'separate-       This is a degenerate case, and the
+                    documents-       printer object MUST reject the job
+                    uncollated-      and return the status "client-
+                    copies           error-conflicting-attributes."
+
+
+
+     From the above table it is obvious that the implicit value of the
+     "sheet-collate" attribute in a printer that does not support the
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 7]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+     "sheet-collate" attribute, is 'collated.'  The semantics of
+     "multiple-document-handling" are otherwise nonsensical in the case
+     of separate documents.
+
+
+
+2  IPP Job Description attributes for monitoring Job Progress
+
+   The following IPP Job Description attributes are proposed to be added
+   to IPP through the type2 registration procedures.  They are useful
+   for monitoring the progress of a job.  They are also used at
+   attributes in the notification content in a notification report [ipp-
+   ntfy].
+
+   There are a number of Job Description attributes for monitoring the
+   progress of a job.  These objects and attributes count the number of
+   K octets, impressions, sheets, and pages requested or completed.  For
+   impressions and sheets, "completed" means stacked, unless the
+   implementation is unable to detect when each sheet is stacked, in
+   which case stacked is approximated when processing of each sheet
+   completes.  There are objects and attributes for the overall job and
+   for the current copy of the document currently being stacked.  For
+   the latter, the rate at which the various objects and attributes
+   count depends on the sheet and document collation of the job.
+
+   Consider the following four Job Description attributes that are used
+   to monitor the progress of a job's impressions:
+
+     1."job-impressions-completed" - counts the total number of
+       impressions stacked for the job (see [RFC2911] section 4.3.18.2)
+
+     2."impressions-completed-current-copy" - counts the number of
+       impressions stacked for the current document copy
+
+     3."sheet-completed-copy-number" - identifies the number of the
+       copy for the current document being stacked where the first copy
+       is 1.
+
+     4."sheet-completed-document-number" - identifies the current
+       document within the job that is being stacked where the first
+       document in a job is 1.  NOTE: this attribute SHOULD NOT be
+       implemented for implementations that only support one document
+       per job.
+
+   For each of the three types of job collation, a job with three copies
+   of two documents (1, 2), where each document consists of 3
+   impressions, the four variables have the following values as each
+   sheet is stacked for one-sided printing:
+
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 8]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+
+"job-collation-type" = 'uncollated-sheets(3)'
+
+
+"job-            "impressions-     "sheet-         "sheet-
+impressions-     completed-        completed-      completed-
+completed"       current-copy"     copy-number"    document-
+                                                   number"
+
+        0                0                0               0
+        1                1                1               1
+        2                1                2               1
+        3                1                3               1
+        4                2                1               1
+        5                2                2               1
+        6                2                3               1
+        7                3                1               1
+        8                3                2               1
+        9                3                3               1
+       10                1                1               2
+       11                1                2               2
+       12                1                3               2
+       13                2                1               2
+       14                2                2               2
+       15                2                3               2
+       16                3                1               2
+       17                3                2               2
+       18                3                3               2
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001              [page 9]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+
+"job-collation-type" = 'collated-documents(4)'
+
+
+   "job-            "impressions-     "sheet-         "sheet-
+   impressions-     completed-        completed-      completed-
+   completed"       current-copy"     copy-           document-
+                                      number"         number"
+
+
+        0                0                0               0
+        1                1                1               1
+        2                2                1               1
+        3                3                1               1
+        4                1                1               2
+        5                2                1               2
+        6                3                1               2
+        7                1                2               1
+        8                2                2               1
+        9                3                2               1
+       10                1                2               2
+       11                2                2               2
+       12                3                2               2
+       13                1                3               1
+       14                2                3               1
+       15                3                3               1
+       16                1                3               2
+       17                2                3               2
+       18                3                3               2
+
+
+
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+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 10]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+
+"job-collation-type" = 'uncollated-documents(5)'
+
+   "job-            "impressions-     "sheet-         "sheet-
+   impressions-     completed-        completed-      completed-
+   completed"       current-copy"     copy-           document-
+                                      number"         number"
+
+
+        0                0                0               0
+        1                1                1               1
+        2                2                1               1
+        3                3                1               1
+        4                1                2               1
+        5                2                2               1
+        6                3                2               1
+        7                1                3               1
+        8                2                3               1
+        9                3                3               1
+       10                1                1               2
+       11                2                1               2
+       12                3                1               2
+       13                1                2               2
+       14                2                2               2
+       15                3                2               2
+       16                1                3               2
+       17                2                3               2
+       18                3                3               2
+
+
+
+2.1 job-collation-type (type2 enum)
+
+   Job Collation includes sheet collation and document collation.  Sheet
+   collation is defined to be the ordering of sheets within a document
+   copy.  Document collation is defined to be ordering of document
+   copies within a multi-document job.  The value of the "job-collation-
+   type" is affected by the value of the "sheet-collate" Job Template
+   attribute (see section 1.1), if supplied and supported.
+
+   The Standard enum values are:
+
+      '1' 'other':  not one of the defined values
+
+      '2' 'unknown':  the collation type is unknown
+
+      '3' 'uncollated-sheets':  No collation of the sheets within each
+                  document copy, i.e., each sheet of a document that is
+                  to produce multiple copies is replicated before the
+                  next sheet in the document is processed and stacked.
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 11]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+                  If the device has an output bin collator, the
+                  'uncollated-sheets(3)' value may actually produce
+                  collated sheets as far as the user is concerned (in
+                  the output bins).  However, when the job collation is
+                  the 'uncollated-sheets(3)' value, job progress is
+                  indistinguishable to a monitoring application between
+                  a device that has an output bin collator and one that
+                  does not.
+
+      '4' 'collated-documents':  Collation of the sheets within each
+                  document copy is performed within the printing device
+                  by making multiple passes over either the source or
+                  an intermediate representation of the document.  In
+                  addition, when there are multiple documents per job,
+                  the i'th copy of each document is stacked before the
+                  j'th copy of each document, i.e., the documents are
+                  collated within each job copy.  For example, if a job
+                  is submitted with documents, A and B, the job is made
+                  available to the end user as: A, B, A, B, ....  The
+                  'collated-documents(4)' value corresponds to the IPP
+                  [RFC2911] 'separate-documents-collated-copies'
+                  keyword value of the "multiple-document-handling"
+                  attribute.
+
+                  If the job's "copies" attribute is  '1' (or not
+                  supplied), then the "job-collation-type" attribute is
+                  defined to be '4'.
+
+
+      '5' 'uncollated-documents':  Collation of the sheets within each
+                  document copy is performed within the printing device
+                  by making multiple passes over either the source or
+                  an intermediate representation of the document.  In
+                  addition, when there are multiple documents per job,
+                  all copies of the first document in the job are
+                  stacked before the any copied of the next document in
+                  the job, i.e., the documents are uncollated within
+                  the job.  For example, if a job is submitted with
+                  documents, A and B, the job is mad available to the
+                  end user as:  A, A, ..., B, B, ....  The 'uncollated-
+                  documents(5)' value corresponds to the IPP [RFC2911]
+                  'separate-documents-uncollated-copies' keyword value
+                  of the "multiple-document-handling" attribute.
+
+2.2 sheet-completed-copy-number (integer(0:MAX))
+
+   The number of the copy being stacked for the current document.  This
+   number starts at 0, is set to 1 when the first sheet of the first
+   copy for each document is being stacked and is equal to n where n is
+   the nth sheet stacked in the current document copy.  If the value is
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 12]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+   unknown, the Printer MUST return the 'unknown' out-of-band value (see
+   [RFC2911] section 4.1), rather than the -2 value used in some MIBs
+   [rfc2707].
+
+
+2.3 sheet-completed-document-number (integer(0:MAX))
+
+   The ordinal number of the document in the job that is currently being
+   stacked.  This number starts at 0, increments to 1 when the first
+   sheet of the first document in the job is being stacked, and is equal
+   to n where n is the nth document in the job, starting with 1. If the
+   value is unknown, the Printer MUST return the 'unknown' out-of-band
+   value (see [RFC2911] section 4.1), rather than the -2 value used in
+   some MIBs [rfc2707].
+
+   Implementations that only support one document jobs SHOULD NOT
+   implement this attribute.
+
+
+2.4 impressions-completed-current-copy (integer(0:MAX))
+
+   The number of impressions completed by the device for the current
+   copy of the current document so far.  For printing, the impressions
+   completed includes interpreting, marking, and stacking the output.
+   For other types of job services, the number of impressions completed
+   includes the number of impressions processed.  If the value is
+   unknown, the Printer MUST return the 'unknown' out-of-band value (see
+   [RFC2911] section 4.1), rather than the -2 value used in some MIBs
+   [rfc2707].
+
+   This value SHALL be reset to 0 for each document in the job and for
+   each document copy.
+
+
+
+3  Conformance Requirements
+
+   This section summarizes the Conformance Requirements detailed in the
+   definitions in this document.  In general each of the attributes
+   defined in this document are OPTIONAL for a Printer to support, so
+   that Printer implementers MAY implement any combination of
+   attributes.
+
+
+
+4  IANA Considerations
+
+   This section contains the exact information for IANA to add to the
+   IPP Registries according to the procedures defined in RFC 2911
+   [RFC2911] section 6.
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 13]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+    Note to RFC Editors:  Replace RFC NNNN below with the RFC number for
+    this document, so that it accurately reflects the content of the
+    information for the IANA Registry.
+
+
+4.1 Attribute Registrations
+
+   The attributes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.2 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attributes/
+
+   The registry entry will contain the following information:
+
+   Job Template attributes:                        Ref.      Section:
+   sheet-collate (type2 keyword)                   RFC NNNN       1.1
+
+   Job Description attributes:                     Ref.      Section:
+   job-collation-type (type2 enum)                 RFC NNNN       2.1
+   sheet-completed-copy-number (integer(0:MAX))    RFC NNNN       2.2
+   sheet-completed-document-number (integer(0:MAX))RFC NNNN       2.3
+   impressions-completed-current-copy (integer(0:MAX))
+                                                   RFC NNNN       2.4
+
+
+
+
+5  Internationalization Considerations
+
+   The IPP extensions defined in this document require the same
+   internationalization considerations as any of the Job Template and
+   Job Descriptions attributes defined in IPP/1.1 [RFC2911].
+
+
+
+6  Security Considerations
+
+   The IPP extensions defined in this document require the same security
+   considerations as any of the Job Template attributes and Job
+   Descriptions attributes defined in IPP/1.1 [RFC2911].
+
+
+
+
+
+
+
+
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 14]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+7  References
+
+   [ipp-iig]
+
+     Hastings, T., Manros, C., "Internet Printing Protocol/1.1:  draft-
+     ietf-ipp-implementers-guide-v11-01.txt, work in progress, May 9,
+     2000.
+
+   [ipp-ntfy]
+
+     Isaacson, S., Martin, J., deBry, R., Hastings, T., Shepherd, M.,
+     Bergman, R., " IPP Event Notification Specification", <draft-ietf-
+     ipp-not-spec-04.txt>, work in progress, August 30, 2000.
+
+   [RFC2565]
+
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2565, April 1999.
+
+   [RFC2566]
+
+     deBry, R., , Hastings, T., Herriot, R., Isaacson, S., Powell, P.,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+   [RFC2567]
+
+     Wright, D., "Design Goals for an Internet Printing Protocol", RFC
+     2567, April 1999.
+
+   [RFC2568]
+
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", RFC 2568, April 1999.
+
+   [RFC2569]
+
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", RFC 2569, April 1999.
+
+   [RFC2707]
+
+     Bergman, R., Hastings, T., Isaacson, S., Lewis, H. "PWG Job
+     Monitoring MIB - V1", RFC 2707,  November, 1999.
+
+   [RFC2910]
+
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", RFC 2910, September, 2000.
+
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 15]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+   [RFC2911]
+
+     deBry, R., , Hastings, T., Herriot, R., Isaacson, S., Powell, P.,
+     "Internet Printing Protocol/1.1: Model and Semantics", RFC 2911,
+     September, 2000.
+
+
+
+8  Author's Addresses
+
+
+     Tom Hastings
+     Xerox Corporation
+     737 Hawaii St.  ESAE 231
+     El Segundo, CA  90245
+     Phone: 310-333-6413
+     Fax: 310-333-5514
+     e-mail: hastings@cp10.es.xerox.com
+
+
+
+     Harry Lewis
+     IBM
+     P.O. Box 1900
+     Boulder, CO 80301-9191
+
+     Phone: (303) 924-5337
+     FAX:
+     e-mail:  harryl@us.ibm.com
+
+
+     Ron Bergman (Editor)
+     Hitachi Koki Imaging Solutions
+     1757 Tapo Canyon Road
+     Simi Valley, CA 93063-3394
+
+     Phone: 805-578-4421
+     Fax:  805-578-4001
+     Email: rbergma@hitachi-hkis.com
+
+
+
+9  Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+
+
+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 16]
+
+
+INTERNET-DRAFT       IPP: Job Progress Attributes       January 23, 2001
+
+
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the  purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
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+Hastings, Lewis, Bergman     Expires July 23, 2001             [page 17]
diff --git a/standards/draft-ietf-ipp-ldap-printer-schema-04.txt b/standards/draft-ietf-ipp-ldap-printer-schema-04.txt
new file mode 100644
index 000000000..583fa1675
--- /dev/null
+++ b/standards/draft-ietf-ipp-ldap-printer-schema-04.txt
@@ -0,0 +1,1456 @@
+
+
+Internet Printing Protocol Working Group                     Pat Fleming
+INTERNET DRAFT                                                       IBM
+Expires 20 June 2001                                           Ken Jones
+                                                                eStarCom
+[Target Category: Standards Track]                           Harry Lewis
+                                                                     IBM
+                                                            Ira McDonald
+                                                          High North Inc
+                                                        20 December 2000
+
+                   Internet Printing Protocol (IPP):
+                    LDAP Schema for Printer Services
+              <draft-ietf-ipp-ldap-printer-schema-04.txt>
+
+    Copyright (C) The Internet Society (2000). All Rights Reserved.
+
+Status of This Memo 
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of RFC 2026.  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.  
+   
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any 
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress." 
+   
+   To view the list of Internet-Draft Shadow Directories, see
+   http://www.ietf.org/shadow.html.  
+
+Abstract 
+
+   This document is a product of the Internet Printing Protocol Working 
+   Group, chartered by the IETF.  Comments should be sent to the
+   ipp@pwg.org mailing list and the principal editor
+   flemingp@us.ibm.com.  
+   
+   This document defines a common printer schema for use with directory 
+   services that support the Lightweight Directory Access Protocol
+   (LDAP) [RFC 2251].  Using this common printer schema enables client
+   applications to use LDAP to search for printers using application or
+   user specified search criteria.  Searches are defined based on the
+   entry's type and attributes independent of the LDAP directory being
+   used.  
+   
+   This document describes the LDAP schema, object classes and
+   attributes, for printers and printer services.  This document uses
+   the printer attributes defined in Appendix E of [RFC 2911], the
+   'printer:' service template defined in [SLPPRT], and the mapping
+   between SLP service advertisements and LDAP descriptions of services
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 1]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   defined in [RFC 2926] to define an LDAP printer schema.  
+   
+   The goal of this document is to define a consistent schema to be used
+   by printers and print servers.  The LDAP printer schema described in 
+   this document MAY be used in part or whole.  
+
+
+
+
+
+
+
+
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+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 2]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+                           Table of Contents
+
+1.  Introduction ...............................................       5
+2.  Terminology ................................................       5
+3.  Definition of Object Classes ...............................       6
+  3.1.  slpServicePrinter ......................................       7
+  3.2.  printerAbstract ........................................       7
+  3.3.  printerService .........................................       8
+  3.4.  printerServiceAuxClass .................................       8
+  3.5.  printerIPP .............................................       9
+  3.6.  printerLPR .............................................       9
+4.  Definition of Attribute Types ..............................      10
+  4.1.  printer-uri ............................................      11
+  4.2.  printer-xri-supported ..................................      11
+  4.3.  printer-name ...........................................      12
+  4.4.  printer-natural-language-configured ....................      13
+  4.5.  printer-location .......................................      13
+  4.6.  printer-info ...........................................      13
+  4.7.  printer-more-info ......................................      14
+  4.8.  printer-make-and-model .................................      14
+  4.9.  printer-ipp-versions-supported .........................      14
+  4.10.  printer-multiple-document-jobs-supported ..............      15
+  4.11.  printer-charset-configured ............................      15
+  4.12.  printer-charset-supported .............................      15
+  4.13.  printer-generated-natural-language-supported ..........      16
+  4.14.  printer-document-format-supported .....................      16
+  4.15.  printer-color-supported ...............................      16
+  4.16.  printer-compression-supported .........................      16
+  4.17.  printer-pages-per-minute ..............................      17
+  4.18.  printer-pages-per-minute-color ........................      17
+  4.19.  printer-finishings-supported ..........................      17
+  4.20.  printer-number-up-supported ...........................      18
+  4.21.  printer-sides-supported ...............................      18
+  4.22.  printer-media-supported ...............................      18
+  4.23.  printer-media-local-supported .........................      18
+  4.24.  printer-resolution-supported ..........................      19
+  4.25.  printer-print-quality-supported .......................      19
+  4.26.  printer-job-priority-supported ........................      19
+  4.27.  printer-copies-supported ..............................      20
+  4.28.  printer-job-k-octets-supported ........................      20
+  4.29.  printer-current-operator ..............................      20
+  4.30.  printer-service-person ................................      20
+  4.31.  printer-delivery-orientation-supported ................      21
+  4.32.  printer-stacking-order-supported ......................      21
+  4.33.  printer-output-features-supported .....................      21
+  4.34.  printer-aliases .......................................      22
+5.  Definition of Syntaxes .....................................      23
+6.  IANA Considerations ........................................      23
+7.  Internationalization Considerations ........................      23
+8.  Security Considerations ....................................      23
+9.  References .................................................      23
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 3]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+10.  Acknowledgments ...........................................      24
+11.  Authors' Addresses ........................................      25
+12.  Full Copyright Statement ..................................      26
+
+
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+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 4]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+1.  Introduction
+
+   The use of directory services based on the Lightweight Directory
+   Access Protocol [RFC 2251] is becoming increasingly popular for
+   distributed services.  To ensure interoperability between vendor
+   implementations it is crucial to standardize the schemas which
+   describe these services.  
+   
+   Under the auspices of the IETF IPP Working Group the IPP protocol is 
+   being developed to bring a standards based printing solution to the
+   Internet.  
+   
+   Section 16 of [RFC 2911] describes a list of attributes which should
+   be included in a general directory schema describing IPP print
+   services.  The syntax for each of these attributes is described in
+   detail in [RFC 2911] and [SLPPRT].  This document will take these
+   attributes and map them to LDAP attributes and object classes.  
+   
+   This document defines several object classes to provide LDAP
+   applications with multiple options in defining printer information
+   using LDAP schema.  Classes are provided for defining directory
+   entries with common printer information and for extending existing
+   directory entries with SLP, IPP, and LPR specific information.  
+   
+
+
+
+2.  Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 
+   document are to be interpreted as described in [RFC 2119].  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 5]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+3.  Definition of Object Classes
+
+   We define the following LDAP object classes for use with both generic
+   printer related information and services specific to SLP, IPP, and
+   LPR.  
+   
+   slpServicePrinter - auxiliary class for SLP registered printers
+   printerAbstract - abstract class for all printer classes
+   printerService - structural class for printers
+   printerServiceAuxClass - auxiliary class for printers
+   printerIPP - auxiliary class for IPP printers
+   printerLPR - auxiliary class for LPR printers
+   
+   The following are some examples of how applications MAY choose to use
+   these classes when creating directory entries:  
+   
+   1) Use printerService for directory entries containing common printer
+   information.  
+   
+   2) Use both printerService and slpServicePrinter for directory
+   entries containing common printer information for SLP registered
+   printers.  
+   
+   3) Use printerService, printerLPR and printerIPP for directory
+   entries containing common printer information for printers that
+   support both LPR and IPP.  
+   
+   4) Use printerServiceAuxClass and object classes not defined by this 
+   document for directory entries containing common printer information.
+   In this example, printerServiceAuxClass is used for extending other
+   structural classes defining printer information with common printer
+   information defined in this document.  
+   
+   Note that specifying the abstract object class printerAbstract is
+   OPTIONAL when using printerService or printerServiceAuxClass to
+   create directory entries per [RFC 2251].  
+   
+   Refer to section 4 for definition of attribute types referenced by
+   these object classes.  We use names instead of OIDs in MUST and MAY
+   for clarity.  Some attribute names described in [RFC 2911] have been 
+   prefixed with 'printer-' as recommended in [SLPPRT] and [RFC 2926].  
+   
+   For the object classes defined in this section, schema developers MAY
+   add to the list of MAY OIDs, but MUST NOT modify the list of MUST
+   OIDs and MUST NOT remove OIDs from the list of MAY OIDs.  Schema
+   developers MAY derive additional classes from the abstract and
+   structural classes defined in this section.  Note, an object class
+   definition SHOULD NOT be changed without having a new name and OID
+   assigned to it.  
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 6]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   
+
+
+3.1.  slpServicePrinter
+
+   This auxiliary class defines Service Location Protocol (SLP) specific
+   information.  It MUST be used with a structural class such as
+   printerService.  It MAY be used to create new or extend existing
+   directory entries with SLP 'service:printer' abstract service type
+   information as defined in [SLPPRT].  This object class is derived
+   from 'slpService', the parent class for all SLP services, defined in 
+   [RFC 2926].  
+   
+   ( 1.3.18.0.2.6.254
+   NAME  'slpServicePrinter'
+   DESC  'Service Location Protocol (SLP) information.'
+   AUXILIARY
+   SUP   slpService
+   )
+
+
+3.2.  printerAbstract
+
+   This abstract class defines printer information.  It is a base class
+   for deriving other printer related classes, such as, but not limited
+   to, classes defined in this document.  It defines a common set of
+   printer attributes that are not specific to any one type of service,
+   protocol or operating system.  
+   
+   ( 1.3.18.0.2.6.258
+   NAME  'printerAbstract'
+   DESC  'Printer related information.'
+   ABSTRACT
+   SUP   top 
+   MAY   ( printer-name $
+           printer-natural-language-configured $
+           printer-location $ printer-info $ printer-more-info $ 
+           printer-make-and-model $ 
+           printer-multiple-document-jobs-supported $ 
+           printer-charset-configured $ printer-charset-supported $ 
+           printer-generated-natural-language-supported $ 
+           printer-document-format-supported $ printer-color-supported $
+           printer-compression-supported $ printer-pages-per-minute $ 
+           printer-pages-per-minute-color $ 
+           printer-finishings-supported $ printer-number-up-supported $ 
+           printer-sides-supported $ printer-media-supported $ 
+           printer-media-local-supported $ 
+           printer-resolution-supported $ 
+           printer-print-quality-supported $ 
+           printer-job-priority-supported $ printer-copies-supported $ 
+           printer-job-k-octets-supported $ printer-current-operator $
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 7]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+           printer-service-person $ 
+           printer-delivery-orientation-supported $ 
+           printer-stacking-order-supported $ 
+           printer-output-features-supported )
+   )
+
+
+3.3.  printerService
+
+   This structural class defines printer information.  It is derived
+   from class printerAbstract and thus inherits common printer
+   attributes.  This class can be used with or without auxiliary classes
+   to define printer information.  Auxiliary classes can be used to
+   extend the common printer information with protocol, service or
+   operating system specific information.  Note that when extending
+   other structural classes with auxiliary classes, printerService MUST
+   NOT be used.  
+   
+   LDAP applications SHOULD use printer-uri as the naming attribute.
+   That is, when using printerService, printer-uri SHOULD be used as the
+   attribute type of the directory entry's relative distinguished name
+   (RDN).  printer-uri uniquely identifies each of the printer services
+   for a given printer.  Note that if the printer service changes
+   domains, printer-uri must be updated with the new domain name.  
+   
+   ( 1.3.18.0.2.6.255
+   NAME  'printerService'
+   DESC  'Printer information.'
+   STRUCTURAL
+   SUP   printerAbstract
+   MAY   ( printer-uri $ printer-xri-supported )
+   )
+
+
+3.4.  printerServiceAuxClass
+
+   This auxiliary class defines printer information.  It is derived from
+   class printerAbstract and thus inherits common printer attributes.
+   This class MUST be used with a structural class.  
+   
+   LDAP applications SHOULD use printer-uri as the naming attribute.
+   That is, when using printerServiceAuxClass, printer-uri SHOULD be
+   used as the attribute type of the directory entry's relative
+   distinguished name (RDN).  printer-uri uniquely identifies each of
+   the printer services for a given printer.  Note that if the printer
+   service changes domains, printer-uri must be updated with the new
+   domain name.  
+   
+   ( 1.3.18.0.2.6.257
+   NAME  'printerServiceAuxClass'
+   DESC  'Printer information.'
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 8]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   AUXILIARY
+   SUP   printerAbstract
+   MAY   ( printer-uri $ printer-xri-supported )
+   )
+
+
+3.5.  printerIPP
+
+   This auxiliary class defines Internet Printing Protocol (IPP)
+   information.  It MUST be used with a structural class such as
+   printerService.  It is used to extend structural classes with IPP
+   specific printer information.  
+   
+   ( 1.3.18.0.2.6.256
+   NAME  'printerIPP'
+   DESC  'Internet Printing Protocol (IPP) information.'
+   AUXILIARY
+   SUP   top
+   MAY   ( printer-ipp-versions-supported $ 
+           printer-multiple-document-jobs-supported )
+   )
+
+
+3.6.  printerLPR
+
+   This auxiliary class defines LPR information.  It MUST be used with a
+   structural class such as printerService.  It is used to identify
+   directory entries that support LPR.  
+   
+   ( 1.3.18.0.2.6.253
+   NAME  'printerLPR'
+   DESC  'LPR information.'
+   AUXILIARY
+   SUP   top
+   MUST ( printer-name )
+   MAY ( printer-aliases)
+   )
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001       [Page 9]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.  Definition of Attribute Types
+
+   The following attribute types are referenced by the object classes
+   defined in section 3.  
+   
+   The following table is a summary of the attribute names referenced by
+   this document and their corresponding names from [RFC 2911].  Some
+   attribute names described in [RFC 2911] have been prefixed with
+   'printer-' as recommended in [RFC 2926], to address the flat
+   namespace for LDAP identifiers.  
+   
+   LDAP & SLP Printer Schema       IPP Model [RFC 2911]
+   ------------------------------  -------------------------------------
+   printer-uri
+   printer-xri-supported
+                                   [IPP printer-uri-supported]
+                                   [IPP uri-authentication-supported]
+                                   [IPP uri-security-supported]
+   printer-name                    printer-name
+   printer-natural-language-configured 
+                                   natural-language-configured
+   printer-location                printer-location
+   printer-info                    printer-info
+   printer-more-info               printer-more-info
+   printer-make-and-model          printer-make-and-model
+   printer-ipp-versions-supported  ipp-versions-supported
+   printer-multiple-document-jobs-supported        
+                                   multiple-document-jobs-supported   
+   printer-charset-configured      charset-configured
+   printer-charset-supported       charset-supported
+   printer-generated-natural-language-supported 
+                                   generated-natural-language-supported
+   printer-document-format-supported 
+                                   document-format-supported
+   printer-color-supported         color-supported
+   printer-compression-supported   compression-supported
+   printer-pages-per-minute        pages-per-minute
+   printer-pages-per-minute-color  pages-per-minute-color
+   printer-finishings-supported    finishings-supported
+   printer-number-up-supported     number-up-supported
+   printer-sides-supported         sides-supported
+   printer-media-supported         media-supported
+   printer-media-local-supported   [site names from IPP media-supported]
+   printer-resolution-supported    printer-resolution-supported
+   printer-print-quality-supported print-quality-supported
+   printer-job-priority-supported  job-priority-supported
+   printer-copies-supported        copies-supported
+   printer-job-k-octets-supported  job-k-octets-supported
+   printer-current-operator
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 10]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   printer-service-person
+   printer-delivery-orientation-supported
+   printer-stacking-order-supported
+   printer-output-features-supported
+   printer-aliases
+   
+   In the following definitions, we use matching rule names instead of
+   OIDs for clarity.  Note that if the printer information is not known,
+   the attribute value is not set (for optional attributes).  In the
+   following definitions, referenced matching rules are defined in
+   section 8 of [RFC 2252].  
+   
+   The following definitions reference syntax OIDs as defined in [RFC
+   2252], which are summarized below:  
+   Syntax OID                     Syntax Description
+   -----------------------------  ------------------
+   1.3.6.1.4.1.1466.115.121.1.7   Boolean  
+   1.3.6.1.4.1.1466.115.121.1.15  Directory String (UTF-8 [RFC 2279])
+   1.3.6.1.4.1.1466.115.121.1.27  Integer  
+   
+
+
+4.1.  printer-uri
+
+   Note, that for SLP registered printers, the LDAP printer-uri
+   attribute should set to the value of the registered URL of the
+   printer.  
+   
+   ( 1.3.18.0.2.4.1140
+   NAME 'printer-uri'
+   DESC 'The URI supported by this printer.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX 1.3.6.1.4.1.1466.115.121.1.15   
+   SINGLE-VALUE
+   )
+
+
+4.2.  printer-xri-supported
+
+   A list of XRI (extended resource identifiers) supported by this
+   printer.  Each value of this list consists of a URI (uniform resource
+   identifier) followed by optional authentication and security
+   metaparameters.  The keywords for URI and their metaparameters are:  
+      'uri'  == IPP 'printer-uri-supported' value
+      'auth' == IPP 'uri-authentication-supported' value
+      'sec'  == IPP 'uri-security-supported' value
+   Legal values of the 'auth' metaparameter include 
+      'none' (no authentication for this URI)
+      'requesting-user-name' (from operation request)
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 11]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+      'basic' (HTTP/1.1 Basic [RFC 2617])
+      'digest' (HTTP/1.1 Basic, [RFC 2617])
+      'certificate' (from certificate)
+   per IPP Model [3] (extensions MAY also be used).  A missing 'auth'
+   metaparameter SHALL mean 'none'.  Legal values of the 'sec'
+   metaparameter include 
+      'none' (no security for this URI)
+      'ssl3' (Netscape SSL3)
+      'tls' (IETF TLS/1.0, [RFC 2246])
+   per IPP Model [3] (extensions MAY also be used).  A missing 'sec'
+   metaparameter SHALL mean 'none'.  Each metaparameter of a list member
+   is delimited by '<'.  For example:  
+      'uri=ipp://foo.com< auth=digest< sec=tls<' 
+      'uri=lpr://bar.com< auth=none< sec=none<'
+   Registrations MAY consolidate values for metaparameters, as in the
+   following example:  
+      'uri=ipp://foo.com< auth=basic,digest< sec=tls,ssl3<'
+   
+   ( 1.3.18.0.2.4.1107
+   NAME 'printer-xri-supported'
+   DESC 'The unordered list of XRI (extended resource identifiers)
+         supported by this printer.  Each member of the list consists of
+         a URI (uniform resource identifier) followed by optional 
+         authentication and security metaparameters.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX 1.3.6.1.4.1.1466.115.121.1.15   
+   )
+
+
+4.3.  printer-name
+
+   The site-specific administrative name of this printer.  This value of
+   this attribute SHOULD be in the language specified in
+   'printer-natural-language-configured' (although the printer's name
+   may be in any language).  This name MAY be the last part of the
+   printer's URI or it MAY be completely unrelated.  This name MAY
+   contain characters that are not allowed in a conventional URI (which
+   conforms to [RFC 2396]).  
+   
+   ( 1.3.18.0.2.4.1135
+   NAME 'printer-name'
+   DESC 'The site-specific administrative name of this printer, more 
+         end-user friendly than a URI.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   SINGLE-VALUE
+   )
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 12]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.4.  printer-natural-language-configured
+
+   ( 1.3.18.0.2.4.1119
+   NAME 'printer-natural-language-configured'
+   DESC 'The configured language in which error and status messages will
+         be generated (by default) by this printer.  Also, a possible 
+         language for printer string attributes set by operator, system 
+         administrator, or manufacturer.  Also, the (declared) language 
+         of the "printer-name", "printer-location", "printer-info", and
+         "printer-make-and-model" attributes of this printer. For 
+         example: "en-us" (US English) or "fr-fr" (French in France) 
+         Legal values of language tags conform to [RFC 1766] "Tags for
+         the Identification of Languages".'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   SINGLE-VALUE
+   )
+
+
+4.5.  printer-location
+
+   ( 1.3.18.0.2.4.1136
+   NAME 'printer-location'
+   DESC 'Identifies the location of the printer. This could include 
+         things like: "in Room 123A", "second floor of building XYZ".'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   SINGLE-VALUE
+   )
+
+
+4.6.  printer-info
+
+   ( 1.3.18.0.2.4.1139
+   NAME 'printer-info'
+   DESC 'Identifies the descriptive information about this printer.  
+         This could include things like: "This printer can be used for 
+         printing color transparencies for HR presentations", or "Out 
+         of courtesy for others, please print only small (1-5 page) jobs
+         at this printer", or even "This printer is going away on July 
+         1, 1997, please find a new printer".'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}    
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 13]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   SINGLE-VALUE
+   )
+
+
+4.7.  printer-more-info
+
+   ( 1.3.18.0.2.4.1134
+   NAME 'printer-more-info'
+   DESC 'A URI used to obtain more information about this specific 
+         printer.  For example, this could be an HTTP type URI 
+         referencing an HTML page accessible to a Web Browser.  The 
+         information obtained from this URI is intended for end user 
+         consumption.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15
+   SINGLE-VALUE
+   )
+
+
+4.8.  printer-make-and-model
+
+   ( 1.3.18.0.2.4.1138
+   NAME 'printer-make-and-model'
+   DESC 'Identifies the make and model of the device.  The device 
+         manufacturer may initially populate this attribute.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   SINGLE-VALUE
+   )
+
+
+4.9.  printer-ipp-versions-supported
+
+   ( 1.3.18.0.2.4.1133
+   NAME 'printer-ipp-versions-supported'
+   DESC 'Identifies the IPP protocol version(s) that this printer 
+         supports, including major and minor versions, i.e., the version
+         numbers for which this Printer implementation meets the 
+         conformance requirements.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 14]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.10.  printer-multiple-document-jobs-supported
+
+   ( 1.3.18.0.2.4.1132
+   NAME 'printer-multiple-document-jobs-supported'
+   DESC 'Indicates whether or not the printer supports more than one 
+         document per job, i.e., more than one Send-Document or 
+         Send-Data operation with document data.'
+   EQUALITY booleanMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.7  
+   SINGLE-VALUE
+   )
+
+
+4.11.  printer-charset-configured
+
+   ( 1.3.18.0.2.4.1109
+   NAME 'printer-charset-configured'
+   DESC 'The configured charset in which error and status messages will 
+         be generated (by default) by this printer.  Also, a possible 
+         charset for printer string attributes set by operator, system 
+         administrator, or manufacturer.  For example: "utf-8" (ISO 
+         10646/Unicode) or "iso-8859-1" (Latin1).  Legal values are 
+         defined by the IANA Registry of Coded Character Sets and the 
+         "(preferred MIME name)" SHALL be used as the tag.  For 
+         coherence with IPP Model, charset tags in this attribute SHALL
+         be lowercase normalized.  This attribute SHOULD be static (time
+         of registration) and SHOULD NOT be dynamically refreshed 
+         (subsequently).'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{63}  
+   SINGLE-VALUE
+   )
+
+
+4.12.  printer-charset-supported
+
+   ( 1.3.18.0.2.4.1131
+   NAME 'printer-charset-supported'
+   DESC 'Identifies the set of charsets supported for attribute type 
+         values of type Directory String for this directory entry.  For 
+         example: "utf-8" (ISO 10646/Unicode) or "iso-8859-1" (Latin1).
+         Legal values are defined by the IANA Registry of Coded 
+         Character Sets and the preferred MIME name.'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{63}  
+   )
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 15]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.13.  printer-generated-natural-language-supported
+
+   ( 1.3.18.0.2.4.1137
+   NAME 'printer-generated-natural-language-supported'
+   DESC 'Identifies the natural language(s) supported for this directory
+         entry.  For example: "en-us" (US English) or "fr-fr" (French in
+         France).  Legal values conform to [RFC 1766], Tags for the
+         Identification of Languages.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{63}  
+   )
+
+
+4.14.  printer-document-format-supported
+
+   ( 1.3.18.0.2.4.1130
+   NAME 'printer-document-format-supported'
+   DESC 'The possible document formats in which data may be interpreted 
+         and printed by this printer.  Legal values are MIME types come 
+         from the IANA Registry of Internet Media Types.'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+4.15.  printer-color-supported
+
+   ( 1.3.18.0.2.4.1129
+   NAME 'printer-color-supported'
+   DESC 'Indicates whether this printer is capable of any type of color 
+         printing at all, including highlight color.'
+   EQUALITY booleanMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.7  
+   SINGLE-VALUE
+   )
+
+
+4.16.  printer-compression-supported
+
+   ( 1.3.18.0.2.4.1128
+   NAME 'printer-compression-supported'
+   DESC 'Compression algorithms supported by this printer.  For example:
+         "deflate, gzip".  Legal values include; "none", "deflate" 
+         (public domain ZIP), "gzip" (GNU ZIP), "compress" (UNIX).'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{255}  
+   )
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 16]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.17.  printer-pages-per-minute
+
+   ( 1.3.18.0.2.4.1127
+   NAME 'printer-pages-per-minute'
+   DESC 'The nominal number of pages per minute which may be output by 
+         this printer (e.g., a simplex or black-and-white printer).  
+         This attribute is informative, NOT a service guarantee.  
+         Typically, it is the value used in marketing literature to 
+         describe this printer.'
+   EQUALITY integerMatch
+   ORDERING integerOrderingMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.27  
+   SINGLE-VALUE
+   )
+
+
+4.18.  printer-pages-per-minute-color
+
+   ( 1.3.18.0.2.4.1126
+   NAME 'printer-pages-per-minute-color'
+   DESC 'The nominal number of color pages per minute which may be 
+         output by this printer (e.g., a simplex or color printer).
+         This attribute is informative, NOT a service guarantee.  
+         Typically, it is the value used in marketing literature to 
+         describe this printer.'
+   EQUALITY integerMatch
+   ORDERING integerOrderingMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.27  
+   SINGLE-VALUE
+   )
+
+
+4.19.  printer-finishings-supported
+
+   ( 1.3.18.0.2.4.1125
+   NAME 'printer-finishings-supported'
+   DESC 'The possible finishing operations supported by this printer. 
+         Legal values include; "none", "staple", "punch", "cover", 
+         "bind", "saddle-stitch", "edge-stitch", "staple-top-left", 
+         "staple-bottom-left", "staple-top-right", 
+         "staple-bottom-right", "edge-stitch-left", "edge-stitch-top",
+         "edge-stitch-right", "edge-stitch-bottom", "staple-dual-left",
+         "staple-dual-top", "staple-dual-right", "staple-dual-bottom".'
+   EQUALITY caseIgnoreMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{255}  
+   )
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 17]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.20.  printer-number-up-supported
+
+   ( 1.3.18.0.2.4.1124
+   NAME 'printer-number-up-supported'
+   DESC 'The possible numbers of print-stream pages to impose upon a 
+         single side of an instance of a selected medium. Legal values 
+         include; 1, 2, and 4.  Implementations may support other 
+         values.'
+   EQUALITY integerMatch
+   ORDERING integerOrderingMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.27  
+   )
+
+
+4.21.  printer-sides-supported
+
+   ( 1.3.18.0.2.4.1123
+   NAME 'printer-sides-supported'
+   DESC 'The number of impression sides (one or two) and the two-sided 
+         impression rotations supported by this printer.  Legal values 
+         include; "one-sided", "two-sided-long-edge", 
+         "two-sided-short-edge".'           
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+4.22.  printer-media-supported
+
+   ( 1.3.18.0.2.4.1122
+   NAME 'printer-media-supported'
+   DESC 'The standard names/types/sizes (and optional color suffixes) of
+         the media supported by this printer.  For example: "iso-a4",  
+         "envelope", or "na-letter-white".  Legal values  conform to ISO
+         10175, Document Printing Application (DPA), and any IANA 
+         registered extensions.'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{255}  
+   )
+
+
+4.23.  printer-media-local-supported
+
+   ( 1.3.18.0.2.4.1117
+   NAME 'printer-media-local-supported'
+   DESC 'Site-specific names of media supported by this printer, in the 
+         language in "printer-natural-language-configured".  
+         For example: "purchasing-form" (site-specific name) as opposed 
+         to (in "printer-media-supported"): "na-letter" (standard 
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 18]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+         keyword from ISO 10175).'
+   EQUALITY caseIgnoreMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{255}  
+   )
+
+
+4.24.  printer-resolution-supported
+
+   ( 1.3.18.0.2.4.1121
+   NAME 'printer-resolution-supported'
+   DESC 'List of resolutions supported for printing documents by this 
+         printer.  Each resolution value is a string with 3 fields:  
+         1) Cross feed direction resolution (positive integer), 2) Feed
+         direction resolution (positive integer), 3) Resolution unit.  
+         Legal values are "dpi" (dots per inch) and "dpcm" (dots per 
+         centimeter).  Each resolution field is delimited by ">".  For 
+         example:  "300> 300> dpi>".'
+   EQUALITY caseIgnoreMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{255}  
+   )
+
+
+4.25.  printer-print-quality-supported
+
+   ( 1.3.18.0.2.4.1120
+   NAME 'printer-print-quality-supported'
+   DESC 'List of print qualities supported for printing documents on 
+         this printer.  For example: "draft, normal".  Legal values 
+         include; "unknown", "draft", "normal", "high".'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+4.26.  printer-job-priority-supported
+
+   ( 1.3.18.0.2.4.1110
+   NAME 'printer-job-priority-supported'
+   DESC 'Indicates the number of job priority levels supported.  An IPP 
+         conformant printer which supports job priority must always 
+         support a full range of priorities from "1" to "100" (to ensure
+         consistent behavior), therefore this attribute describes the 
+         "granularity".  Legal values of this attribute are from "1" to 
+         "100".'
+   EQUALITY integerMatch
+   ORDERING integerOrderingMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.27  
+   SINGLE-VALUE
+   )
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 19]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.27.  printer-copies-supported
+
+   ( 1.3.18.0.2.4.1118
+   NAME 'printer-copies-supported'
+   DESC 'The maximum number of copies of a document that may be printed 
+         as a single job.  A value of "0" indicates no maximum limit.  A
+         value of "-1" indicates unknown.'
+   EQUALITY integerMatch
+   ORDERING integerOrderingMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.27  
+   SINGLE-VALUE
+   )
+
+
+4.28.  printer-job-k-octets-supported
+
+   ( 1.3.18.0.2.4.1111
+   NAME 'printer-job-k-octets-supported'
+   DESC 'The maximum size in kilobytes (1,024 octets actually) incoming 
+         print job that this printer will accept.  A value of "0" 
+         indicates no maximum limit.  A value of "-1" indicates 
+         unknown.'
+   EQUALITY integerMatch
+   ORDERING integerOrderingMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.27  
+   SINGLE-VALUE
+   )
+
+
+4.29.  printer-current-operator
+
+   ( 1.3.18.0.2.4.1112
+   NAME 'printer-current-operator'
+   DESC 'The name of the current human operator responsible for 
+         operating this printer.  It is suggested that this string 
+         include information that would enable other humans to reach the
+         operator, such as a phone number.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   SINGLE-VALUE
+   )
+
+
+4.30.  printer-service-person
+
+   ( 1.3.18.0.2.4.1113
+   NAME 'printer-service-person'
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 20]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   DESC 'The name of the current human service person responsible for 
+         servicing this printer.  It is suggested that this string 
+         include information that would enable other humans to reach the
+         service person, such as a phone number.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   SINGLE-VALUE
+   )
+
+
+4.31.  printer-delivery-orientation-supported
+
+   ( 1.3.18.0.2.4.1114
+   NAME 'printer-delivery-orientation-supported'
+   DESC 'The possible delivery orientations of pages as they are printed
+         and ejected from this printer.  Legal values include; 
+         "unknown", "face-up", and "face-down".'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+4.32.  printer-stacking-order-supported
+
+   ( 1.3.18.0.2.4.1115
+   NAME 'printer-stacking-order-supported'
+   DESC 'The possible stacking order of pages as they are printed and 
+         ejected from this printer. Legal values include; "unknown", 
+         "first-to-last", "last-to-first".'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+4.33.  printer-output-features-supported
+
+   ( 1.3.18.0.2.4.1116
+   NAME 'printer-output-features-supported'
+   DESC 'The possible output features supported by this printer. Legal 
+         values include; "unknown", "bursting", "decollating", 
+         "page-collating", "offset-stacking".'
+   EQUALITY caseIgnoreMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 21]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+4.34.  printer-aliases
+
+   ( 1.3.18.0.2.4.1108
+   NAME 'printer-aliases'
+   DESC 'Site-specific administrative names of this printer in addition 
+        the printer name specified for printer-name.'
+   EQUALITY caseIgnoreMatch
+   ORDERING caseIgnoreOrderingMatch
+   SUBSTR caseIgnoreSubstringMatch
+   SYNTAX  1.3.6.1.4.1.1466.115.121.1.15{127}  
+   )
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 22]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+5.  Definition of Syntaxes
+
+   No new syntaxes are defined by this document.  
+
+
+6.  IANA Considerations
+
+   There are no IANA registration considerations defined by this
+   document.  
+
+
+7.  Internationalization Considerations
+
+   All text string attribute values in objects of the printerService
+   class MUST be encoded in UTF-8 [RFC 2279] characters, as required by
+   the syntax 'Directory String' [RFC 2252].  Also, a language tag for
+   all of the text string attributes in objects of the printerService
+   class SHOULD be supplied in 'printer-natural-language-configured'.
+   Therefore, all objects of the printerService class conform to "IETF
+   Policy on Character Sets and Languages" [RFC 2277].  
+
+
+
+8.  Security Considerations
+
+   As with any LDAP schema, it is important to protect specific entries 
+   and attributes with the appropriate access control.  It is
+   particularly important that only administrators can modify entries
+   defined in this schema.  For additional considerations of deploying
+   printers in an IPP environment the reader is referred to section 8 of
+   [RFC 2911].  
+   
+   By advertising the security methods for each supported printer URL
+   the printer may expose information useful to attackers.  Suitable
+   security methods SHOULD be used to authenticate any service
+   advertisements.  
+   
+   Obtaining a reference to an object and storing it in the directory
+   may make a handle to the object available to a wider audience.  This 
+   may have security implications.  
+
+
+
+9.  References
+
+   [SLPPRT] St. Pierre, Isaacson, McDonald.  Definition Printer Abstract
+   Service Type v2.0, <draft-ietf-svrloc-printer-schema-06.txt>, March
+   2000 (appoved and archived in the IANA SLP Template Registry:  
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 23]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+   ftp://isi.edu/in-notes/iana/assignments/svrloc-templates/ 
+   in the file 'printer.2.0.en') 
+   
+   [RFC 1179] McLaughlin.  Line Printer Daemon Protocol, RFC 1179,
+   August 1990.  
+   
+   [RFC 1766] Alvestrand.  Tags for the Identification of Languages, RFC
+   1766, March 1995.  
+   
+   [RFC 2119] Bradner.  Key words for use in RFCs to Indicate
+   Requirement Levels, RFC 2119, March 1997.  
+   
+   [RFC 2246] Dierks, Allen.  TLS Protocol Version 1.0, RFC 2246,
+   January 1999.  
+   
+   [RFC 2251] Wahl, Howes, Kille.  Lightweight Directory Access Protocol
+   (v3), RFC 2251, December 1997.  
+   
+   [RFC 2252] Wahl, Coulbeck, Howes, Kille.  Lightweight Directory
+   Access Protocol (v3): Attribute Syntax Definitions, RFC 2252,
+   December 1997.  
+   
+   [RFC 2277] Alvestrand.  IETF Policy on Character Sets and Languages, 
+   RFC 2277, January 1998.  
+   
+   [RFC 2279] Yergeau.  UTF-8, a Transformation Format of ISO 10646, RFC
+   2279, January 1998.  
+   
+   [RFC 2307] Howard.  An Approach for Using LDAP as a Network
+   Information Service, RFC 2307, March 1998.  
+   
+   [RFC 2396] Berners-Lee, Fielding, Masinter.  URI Generic Syntax, RFC
+   2396, August 1998.  
+   
+   [RFC 2911] deBry, Hastings, Herriot, Isaacson, Powell.  Internet
+   Printing Protocol/1.1: Model and Semantics, RFC 2911, September 2000.
+   
+   [RFC 2926] Kempf, Moats, St. Pierre.  Conversion of LDAP Schemas to
+   and from SLP Templates, RFC 2926, September 2000.  
+
+
+
+10.  Acknowledgments
+
+   This document is a submission to the IPP Working group.  
+   
+   Thanks to Kimberly Reger (IBM), Robert Moore (IBM) and Lee Rafalow
+   (IBM) for their review comments and help in preparing this document.
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 24]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+11.  Authors' Addresses
+
+   Principal Editor:
+   Pat Fleming
+   IBM
+   Highway 52 N.
+   Rochester, MN 55901
+   USA
+   Phone: +1 507-253-7583
+   EMail: flemingp@us.ibm.com
+   
+   Ken Jones
+   eStarCom
+   400 S McCaslin Blvd Suite 211
+   Louisville, CO  80027
+   USA
+   Phone: +1 720-890-7507
+   EMail: kenjones@estarcom.com
+   
+   Harry Lewis
+   IBM
+   6300 Diagonal Hwy
+   Boulder, CO  80301
+   USA
+   Phone: +1 303-924-5337
+   EMail: harryl@us.ibm.com
+   
+   Ira McDonald
+   High North Inc
+   221 Ridge Ave
+   Grand Marais, MI 49839
+   USA
+   Phone: +1 906-494-2434
+   Email: imcdonald@sharplabs.com
+   Email: imcdonald@crt.xerox.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 25]
+
+Internet Draft     LDAP Schema for Printer Services     20 December 2000
+
+
+
+12.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.  
+   
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it 
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.  
+   
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.  
+   
+   This document and the information contained herein is provided on an 
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE." 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+Fleming, Jones, Lewis, McDonald      Expires 20 June 2001      [Page 26]
diff --git a/standards/draft-ietf-ipp-not-05.txt b/standards/draft-ietf-ipp-not-05.txt
new file mode 100644
index 000000000..c06658f1a
--- /dev/null
+++ b/standards/draft-ietf-ipp-not-05.txt
@@ -0,0 +1,928 @@
+
+
+
+
+
+
+INTERNET DRAFT                                             Roger K deBry
+<draft-ietf-ipp-not-05.txt>                    Utah Valley State College
+[Target Category: Informational]                             Harry Lewis
+                                                         IBM Corporation
+                                                   Tom Hastings (editor)
+                                                       Xerox Corporation
+                                                        January 23, 2001
+
+   Internet Printing Protocol (IPP): Requirements for IPP Notifications
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+
+STATUS OF THIS MEMO
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as  ''work in progress.''
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+ABSTRACT
+
+   This document is one of a set of documents which together describe
+   all aspects of a new Internet Printing Protocol (IPP). IPP is an
+   application level protocol that can be used for distributed printing
+   on the Internet. There are multiple parts to IPP, but the primary
+   architectural components are the Model, the Protocol and an interface
+   to Directory Services. This document provides a statement of the
+   requirements for notifications as part of an IPP Service.
+
+
+
+
+
+
+
+
+
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 1]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+   The full set of IPP documents include:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.0: Model and Semantics [RFC2566]
+     Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+     Internet Printing Protocol/1.0: Implementer's Guide [RFC 2639]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   The 'Design Goals for an Internet Printing Protocol' document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  Operator and administrator requirements
+   are out of scope for version 1.0.
+
+   The 'Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol' document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The 'Internet Printing Protocol/1.0: Encoding and Transport' document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1.  It defines the encoding rules
+   for a new Internet media type called 'application/ipp'.
+
+   The 'Internet Printing Protocol/1.0: Implementer's Guide' document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.0 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The 'Mapping between LPD and IPP Protocols' document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+                             Table of Contents
+
+
+   1 Scope ...........................................................4
+
+   2 Terminology .....................................................4
+
+   3 Scenarios .......................................................8
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 2]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+   4 Requirements ...................................................11
+
+   5 Security considerations for IPP Notifications requirements .....13
+
+   6 Internationalization Considerations ............................14
+
+   7 IANA Considerations ............................................14
+
+   8 References .....................................................14
+
+   9 Author's Address ...............................................15
+
+   10 Appendix A: Full Copyright Statement...........................16
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 3]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+1  Scope
+
+   The scope of this requirements document covers functionality used by
+   the following kinds of IPP Users: End Users, Print Administrators and
+   Operators.
+
+2  Terminology
+
+   It is necessary to define a set of terms in order to be able to
+   clearly express the requirements for notification services in an IPP
+   System.
+
+2.1 Job Submitting End User
+
+   A human end user who submits a print job to an IPP Printer. This
+   person may or may not be within the same security domain as the
+   Printer. This person may or may not be geographically near the
+   printer.
+
+2.2 Administrator
+
+   A human user who established policy for and configures the print
+   system.
+
+2.3 Operator
+
+   A human user who carries out the policy established by the
+   Administrator and controls the day to day running of the print
+   system.
+
+2.4 Job Submitting Application
+
+   An application (for example, a batch application), acting on behalf
+   of a Job Submitting End User, which submits a print job to an IPP
+   Printer. The application may or may not be within the same security
+   domain as the Printer. This application may or may not be
+   geographically near the printer.
+
+2.5 Security Domain
+
+   For the purposes of this discussion, the set of network components
+   which can communicate without going through a proxy or firewall. A
+   security domain may be geographically very large, for example -
+   anyplace within IBM.COM.
+
+2.6 IPP Client
+
+   The software component that sends IPP requests to an IPP Printer
+   object and accepts IPP responses from an IPP Printer.
+
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 4]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+2.7 Job Recipient
+
+   A human who is the ultimate consumer of the print job. In many cases
+   this will be the same person as the Job Submitting End User, but this
+   need not always be the case. For example, if I use IPP to print a
+   document on a printer in a business partner's office, I am the Job
+   Submitting End User, while the person I intend the document for in my
+   business partner's office is the Job Recipient.  Since one of the
+   goals of IPP is to be able to print near the Job Recipient of the
+   printed output, we would normally expect that person to be in the
+   same security domain as, and geographically near, the Printer.
+   However, this may not always be the case. For example, I submit a
+   print job across the Internet to a Kinko's print shop. I am both the
+   Submitting end User and the Job Recipient, but I am neither near nor
+   in the same security domain as the Printer.
+
+2.8 Job Recipient Proxy
+
+   A person acting on behalf of the Job Recipient.  In particular, the
+   Job Recipient Proxy physically picks up the printed document from the
+   Printer, if the Job Recipient cannot perform that function. The Proxy
+   is by definition geographically near and in the same security domain
+   as the printer. For example, I submit a print job from home to be
+   printed on a printer at work. I'd like my secretary to pick up the
+   print job and put it on my desk. In this case,  I am acting as both
+   Job Submitting End User and Job Recipient. My secretary is acting as
+   a Job Recipient Proxy.
+
+2.9 Notification Subscriber
+
+   A client that requests the IPP Printer to send Event Notifications to
+   one or more Notification Recipients.  A Notification Subscriber may
+   be a Job Submitting End User or an End User, an Operator, or an
+   Administrator that is not submitting a job.
+
+2.10 Notification Source
+
+   The entity that sends Event Notifications.
+
+2.11 Notification Recipient
+
+   The entity that receives IPP Notifications about Job and/or Printer
+   events.  A Notification Recipient may be a: Job Submitting End User,
+   Job Submitting Application, Job Recipient, Job Recipient Proxy,
+   Operator, or Administrator, etc., and their representatives or log
+   file or usage statistics gathering application or other active or
+   passive entities.
+
+2.12 Notification Recipient Agent
+
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 5]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+   A program which receives Event Notifications on behalf of the
+   Notification Recipient. The agent may take some action on behalf of
+   the recipient, forward the notification to the recipient via some
+   alternative means (for example, page the recipient), or queue the
+   notification for later retrieval by the recipient.
+
+2.13 Event
+
+   A Event is some occurrence (either expected or unexpected) within the
+   printing system of a change of state, condition, or configuration of
+   a Job or Printer object.
+
+2.14 Event Notification
+
+   When an event occurs, an Event Notification is generated that fully
+   describes the event (what the event was, where it occurred, when it
+   occurred, etc.).  Event Notifications are delivered to all the
+   Notification Recipients that are subscribed to that Event, if any.
+   The Event Notification is delivered to the address of the
+   Notification Recipient using the notification delivery method defined
+   in the subscription.  However, an Event Notification is sent ONLY if
+   there is a corresponding subscription.
+
+2.15 Notification Subscription
+
+   A Notification Subscription is a request by a Notification Subscriber
+   to the IPP Printer to send Event Notifications to specified
+   Notification Recipient(s) when the event occur.
+
+2.16 Notification Attributes
+
+   IPP Objects (for example, a print job) from which notification are
+   being sent may have attributes associated with them. A user may want
+   to have one or more of these associated attributes returned along
+   with a particular notification. In general, these may include any
+   attribute associated with the object emitting the notification.
+   Examples include:
+
+     number-of-intervening jobs
+     job-k-octets
+     job-k-octets processed
+     job impressions
+     job-impressions-interpreted
+     job-impressions-completed
+     impressionsCompletedCurrentCopy (job MIB)
+        sheetCompletedCopyNumber (job MIB)
+        sheetsCompletedDocumentNumber (job MIB)
+        Copies-requested
+        Copy-type
+        Output-destination
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 6]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+        Job-state-reasons
+        Job ID
+        Printer URI
+        Subscription ID (for job independent subscription)
+
+2.17 Notification Delivery Method (or Delivery Method for short)
+
+   Event Notifications are delivered using a method, such as email,
+   TCP/IP, etc.
+
+2.18 Immediate Notification
+
+   Notifications sent to the Notification Recipient or the Notification
+   Recipient's agent in such a way that the notification arrives
+   immediately , within the limits of common addressing, routing,
+   network congestion and quality of service.
+
+2.19 Store and Forward Notification
+
+   Notifications which are not necessarily delivered to Notification
+   Recipients immediately, but are queued for delivery by some
+   intermediate network application, for later retrieval. Email is an
+   example of a store and forward notification delivery method.
+
+2.20 Reliable Delivery of Notifications
+
+   Notifications which are delivered by a reliable delivery of packets
+   or character stream, with acknowledgment and retry, such that
+   delivery of the notification is guaranteed within some determinate
+   time limits. For example, if the Notification Recipient has logged
+   off and gone home for the day, an immediate notification cannot be
+   guaranteed to be delivered, even when sent over a reliable transport,
+   because there is nothing there to catch it. Guaranteed delivery
+   requires both store and forward notification and a reliable
+   transport.
+
+2.21 Notification over Unreliable Transport
+
+   Notifications are delivered via the fundamental transport address and
+   routing framework, but no acknowledgment or retry is required.
+   Process to process communications, if involved, are unconstrained.
+
+
+2.22 Human Consumable Notification
+
+   Notifications which are intended to be consumed by human end users
+   only.  Email would be an example of a Human consumable notification,
+   though it could also contain Machine Consumable Notification.
+
+2.23 Machine Consumable Notification
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 7]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+
+   Notifications which are intended for consumption by a program only,
+   such as an IPP Client. Machine Consumable notifications may not
+   contain human readable information. Do we need both human and
+   machine? Machine readable is intended for application to application
+   only.  The Notification Recipient could process the machine readable
+   Event Notification into human readable format.
+
+2.24 Mixed Notification
+
+   A mixed notification contains both Human Consumable and Machine
+   Consumable information.
+
+3  Scenarios
+
+   1.I am sitting in my office and submit a print job to the printer
+     down the hall. I am in the same security domain as the printer and
+     of course, geographically near.  I want to know immediately when
+     my print job will be completed (or if there is a problem) because
+     the document I am working on is urgent. I submit the print job
+     with the following attributes:
+
+     .  Notification Recipient - me
+     .  Notification Events - all
+     .  Notification Attributes - job-state-reason
+     .  Notification Type - immediate
+         
+   2.I am working from home and submit a print job to the same printer
+     as in the previous example. However, since I am not at work, I
+     cannot physically get the print file or do anything with it. It
+     can wait until I get to work this afternoon. However, I'd like my
+     secretary to pick up the output and put it on my desk so it
+     doesn't get lost or miss-filed. I'd also like a store and forward
+     notification sent to my email so that when I get to work I can
+     tell if there was a problem with the print job. I submit a print
+     job with the following attributes:
+
+     .  Notification Recipient - my secretary
+     .  Notification Events - print complete
+     .  Notification Type - immediate
+      
+     .  Notification Recipient - me
+     .  Notification Events - print complete
+     .  Notification Attributes - impressions completed
+     .  Notification Type - store and forward
+
+   3.I am sitting in my office and submit a print job to a client at an
+     engineering firm we work with on a daily basis. The engineering
+     firm is in Belgium. I would like my client to know when the print
+     job is complete, so that she can pick it up from the printer in
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 8]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+     her building.  It is important that she review it right away and
+     get her comments back to me. I submit the print job with the
+     following attributes:
+
+
+     .  Notification Recipient - client at engineering firm
+     .  Notification Events - print complete
+     .  Notification Type - immediate
+     .  Notification Language - French
+
+   4.I am in a hotel room and send a print job to a Kinko's store in
+     the town I am working in, in order to get a printed report for the
+     meeting I am attending in the morning.  Since I'm going out to
+     dinner after I get this job submitted, an immediate notification
+     won't do me much good. However, I'd like to check in the morning
+     before I drive to the Kinko's store to see if the file has been
+     printed. An email notification is sufficient for this purpose. I
+     submit the print job with the following attributes:
+
+     .  Notification Recipient - me
+     .  Notification Events - print complete
+     .  Notification Type - store and forward
+
+   5.I am printing a large, complex print file. I want to have some
+     immediate feedback on the progress of the print job as it prints.
+     I submit the print job with the following attributes:
+
+     .  Notification Recipient - me
+     .  Notification Type - immediate
+     .  Notification Events - all state transitions
+     .  Notification Attributes - impression completed
+
+   6.I am an operator and my duties is to keep the printer running.  I
+     subscribe independently from a job submission so that my
+     subscription outlasts any particular job.  I subscribe with the
+     following attributes:
+
+     .  Notification Recipient - me
+     .  Notification Type - immediate
+     .  Notification Events - all Printer state transitions
+     .  Notification Attributes - Printer state, printer state reasons,
+        device powering up, device powering down.
+
+   7.I am a usage statistics gathering application. I subscribe
+     independently from a job submission so that my subscription
+     outlasts any particular job.  My subscription may persists across
+     power cycles.  I subscribe with the following attributes:
+
+     .  Notification Recipient - me
+     .  Notification Type - immediate
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001             [Page 9]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+     .  Notification Events - job completion
+     .  Notification Attributes - impression completed, sheets
+        completed, time submitted, time started, time completed, job
+        owner, job size in octets, etc.
+
+   8.I am a client application program that displays a list of jobs
+     currently queued for printing on a printer.  I display the "job-
+     name", "job-state", "job-state-reasons", "page-count", and
+     "intervening-jobs" either for the user's jobs or for all jobs.
+     The window displaying the job list remains open for an independent
+     amount of time, and it is desired that it represent the current
+     state of the queue.  It is desired that the application only need
+     to perform a slow poll in order to recover from any missed
+     notifications.  So the event delivery mechanism provides the means
+     to update the screen on all needed changes, including querying for
+     some attributes that may not be delivered in the Notification.
+
+   9.I am a client application program that displays a list of
+     printers.  For each Printer I display the current state and
+     configuration.  The window displaying the printer list remains
+     open for an independent amount of time, and it is desired that it
+     represent the current state of each printer.  It is desired that
+     the application only need to perform a slow poll in order to
+     recover from any missed notifications.  So the event delivery
+     mechanism provides the means to update the screen on all needed
+     changes, including querying for some attributes that may not be
+     delivered in the Notification.
+
+   10.    I am an IPP Server that controls one or more devices and
+     implements an IPP Printer object to represent each device.  I want
+     to support IPP Notification for each of the IPP Printer objects
+     that I implement.  Many of these devices do not support
+     notification (or IPP).  So I need to support the IPP Notification
+     semantics specified for each IPP Printer object myself on behalf
+     of each of the devices that each of the IPP Printer objects
+     represent.  When I accept IPP job creation requests, I convert the
+     request to what the device will accept.  In some cases, I must
+     poll the devices in order to be informed of their job and device
+     state and state changes in order to be able to send IPP
+     Notifications to subscribed Notification Recipients.
+
+   11.    I am an IPP Server that controls one or more devices and
+     implements an IPP Printer object to represent each device.  I want
+     to support IPP Notification for each of the IPP Printer objects
+     that I implement.  These devices all support IPP, including IPP
+     Notification.  I would like the design choice for supporting IPP
+     Notification for these IPP Printer objects that I implement either
+     (1) by forwarding the notification to the IPP Printers that I
+     alone control and have them send the notifications to the intended
+     Notification Recipients without my involvement or (2) replace the
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001            [Page 10]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+     notification submitted with the Job to indicate me as the
+     Notification Recipient and I will in turn forward Notifications to
+     the Notification Recipients requested by my clients.  Most of the
+     rest of the contents of the IPP Job that I send to the IPP
+     Printers that I control will be the same as the IPP Job that I
+     receive from my IPP clients.
+
+   12.    I am an IPP Server that controls one or more devices and
+     implements an IPP Printer object to represent each device.  I want
+     to support IPP Notification for each of the IPP Printer objects
+     that I implement.  These devices all support IPP, including IPP
+     Notification.  Because these IPP Printers MAY also be being
+     controlled by other servers (using IPP or other protocols), I only
+     want job events for the jobs that I send, but do want Printer
+     events all the time, so that I can show proper Printer state to my
+     clients.  So I subscribe to these IPP Printers for Printer events
+     with a long standing subscription with myself to as the
+     Notification Recipient.  When I get a Job Creation request, I
+     decide to which IPP Printer to send the job.  When I do so, I also
+     add a job subscription for Job events with me as the Notification
+     Recipient to the job's job subscriptions supplied by my clients
+     (this usage is called "piggy-backing").  These IPP Printers
+     automatically remove their job subscriptions when the job
+     completes as for all job subscriptions so that I no longer get Job
+     events when my jobs are completed.
+
+4  Requirements
+
+   The following requirements are intended to be met by the IPP
+   Notification specification (not the implementation).  The resulting
+   IPP Notification Specification document:
+
+   1.must indicate which of these requirements are REQUIRED and which
+     are OPTIONAL for a conforming implementation to support.  See
+     [RFC2911] section 12.1 for the definition of these important
+     conformance terms.
+
+   2.must be designed to that an IPP Printer can transparently  support
+     the IPP Notification semantics using third party notification
+     services that exist today or that may be standardized in the
+     future.
+
+   3.must define means for a Job Submitting End User to specify zero or
+     more Notification Recipients when submitting a print job. A
+     Submitter will not be able to prevent out of band subscriptions
+     from authorized persons, such as Operators.
+
+   4.must define means when specifying a Notification Recipient, for a
+     Notification Subscriber to be able to specify one or more
+     notification events for that Notification Recipient, subject to
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001            [Page 11]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+     administrative and security policy restrictions.  Any of the
+     following constitute Job or Printer Events that a Job Submitting
+     End User can specify notifications be sent for:
+        . Any standard Printer MIB alert (i.e. device alerts) (critical
+          and warning?) (state change notifications)?
+        . Job Received (transition from Unknown to Pending)
+        . Job Started (Transition from Pending to Processing)
+        . Page Complete (Page is stacked)
+        . Collated Copy Complete (last sheet of collated copy is
+          stacked)
+        . Job Complete (transition from Processing or  Processing-
+          stopped to Completed)
+        . Job aborted (transition from Pending, Pending-held,
+          Processing, or Processing-stopped to Aborted)
+        . Job canceled (transition from Pending, Pending-held,
+          Processing, or Processing-held to Canceled)
+        . Other job state changes like 'paused', purged?
+        . Device problems for which the job is destined
+        . Job (interpreter) issues
+
+
+   5.must define how an End User or Operator subscribes for:
+        . Any set of Job Events for a specific job.
+        . Any set of Printer Events while a specific job is not
+          complete.
+
+   6.must define how an End User or Operator subscribes for the
+     following without having to submit a Job:
+        . Any set of Printer Events for a defined period.
+        . Any set of Job Events for all jobs with no control over which
+          jobs.
+
+   7.must define how the Notification Subscriber is able to specify
+     either immediate or store and forward notification independently
+     for each Notification Recipient.  The means may be explicit, or
+     implied by the method of delivery chosen by the Job Submitting End
+     User.
+    
+   8.must define common delivery methods, e.g. email, must be defined.
+
+   9.must define how an IPP Printer validates its ability to deliver an
+     Event using the specified delivery scheme.  If it does not support
+     the specified scheme, or the specified scheme is invalid for some
+     reason, then the IPP Printer accepts and performs the request
+     anyway and responds indicating the unsupported attribute values.
+     There is no requirement for the IPP Printer receiving the print
+     request to validate the identity of an Notification Recipient, nor
+     the ability of the system to deliver an event to that recipient as
+     requested (for example, if the Notification Recipient is not at
+     work today).
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001            [Page 12]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+
+   10.    must define a class of IPP event notification delivery methods
+     which can flow through corporate firewalls. However, an IPP
+     printer need not test to guarantee delivery of the notification
+     through a firewall before accepting a print job.
+   11.    may define means for delivering a notification to the
+     submitting client when the delivery of an event notification to a
+     specified Notification Recipient fails. Fall back means of
+     subscribers determining if notifications have failed, i.e.
+     polling, may be provided.
+
+   12.    must define a mechanism for localizing Human Consumable
+     notifications by the Notification Source.
+
+   13.    may define a way to specify whether or not event delivery
+     requires acknowledgement back to the Notification Source.
+
+   14.    There must be a mechanism defined so that job independent
+     subscriptions do not become stale and do not require human
+     intervention to remove stale subscriptions.  However, stale must
+     not be the inability to deliver an Event Notification , since
+     temporary Notification delivery problems must be tolerated.
+
+   15.    A mechanism must be defined so that an Event Subscriber is
+     able to add an Event Subscription to a Job after the Job has been
+     submitted.
+
+   16.    A mechanism must be defined so that a client is able to cancel
+     an Event Subscription on a job or printer after the job has been
+     submitted.
+
+   17.    A mechanism must be defined so that a client can obtain the
+     set of current Subscriptions.
+
+5  Security considerations for IPP Notifications requirements
+
+   By far the biggest security concern is the abuse of notification:
+   sending unwanted notifications to third parties (i.e., spam).  The
+   problem is made worse by notification addresses that may be
+   redistributed to multiple parties (e.g. mailing lists).  There exist
+   scenarios where third party notification is required (see Scenario #2
+   and #3).  The fully secure solution would require active agreement of
+   all recipients before sending out anything.  However, requirement #9
+   ("There is no requirement for IPP Printer receiving the print request
+   to validate the identity of an event recipient") argues against this.
+   Certain systems may decide to disallow third party notifications (a
+   traditional fax model).
+
+   Clients submitting notification requests to the IPP Printer has the
+   same security issues as submitting an IPP/1.1 print job request.  The
+
+
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+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+   same mechanisms used by IPP/1.1 can therefore be used by the client
+   notification submission.  Operations that require authentication can
+   use the HTTP authentication.  Operations that require privacy can use
+   the HTTP/TLS privacy.
+
+   The notification access control model should be similar to the IPP
+   access control model.  Creating a notification subscription is
+   associated with a user.  Only the creator or an operator can cancel
+   the subscription.  The system may limit the listing of items to only
+   those items owned by the user.  Some subscriptions (e.g. those that
+   have a lifetime longer than a job) can be done only by privileged
+   users (operators and/or administrators), if that is the authorization
+   policy.
+
+   The standard security concerns (delivery to the right user, privacy
+   of content, tamper proof content) apply to the notification delivery.
+   IPP should use the security mechanism of the delivery method used.
+   Some delivery mechanisms are more secure than others.  Therefore,
+   sensitive notifications should use the delivery method that has the
+   strongest security.
+
+6  Internationalization Considerations
+
+   The Human Consumable notification must be localized to the natural
+   language and charset that Notification Subscriber specifies within
+   the choice of natural languages and charsets that the IPP Printer
+   supports.
+
+   The Machine Consumable notification data uses the 'application/ipp'
+   MIME media type.  It contains some attributes whose text values are
+   required to be in the natural language and charset that the
+   Notification Subscriber specifies within the choice of natural
+   languages and charsets that the IPP Printer supports.  See [RFC2566].
+
+7  IANA Considerations
+
+   There will be some notification delivery methods registered with IANA
+   for use in URLs.  These will be defined in other documents.
+
+8  References
+
+   [RFC2565]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.0: Encoding and Transport", RFC 2565, April 1999.
+
+   [RFC2566]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001            [Page 14]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+   [RFC2567]
+     Wright, D., "Design Goals for an Internet Printing Protocol",
+     draft-ietf-ipp-req-03.txt, November, 1998.
+
+   [RFC2568]
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", draft-ietf-ipp-rat-04.txt,
+     November, 1998.
+
+   [RFC2569]
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", draft-ietf-ipp-lpd-ipp-map-05.txt, November
+     1998.
+
+   [RFC2639]
+      T. Hastings, C. Manros. "Internet Printing Protocol/1.0:
+     Implementer's Guide", RFC 2639, July 1999.
+
+   [RFC2911]
+     deBry, R., , Hastings, T., Herriot, R., Isaacson, S., Powell, P.,
+     "Internet Printing Protocol/1.1: Model and Semantics", RFC 2911,
+     September 2000.
+
+9  Author's Address
+
+     Harry Lewis
+     HUC/003G
+     IBM Corporation
+     P.O. Box 1900
+     Boulder, CO 80301-9191
+
+     Phone: (303) 924-5337
+     Fax: (303) 924-9889
+     e-mail: harryl@us.ibm.com
+
+     Roger deBry
+     Utah Valley State College
+     Orem, UT 84058
+
+     Phone: (801) 222-8000
+     e-mail: debryro@uvsc.edu
+
+     Tom Hastings (editor)
+     Xerox Corporation
+     737 Hawaii St.  ESAE 231
+     El Segundo, CA   90245
+
+     Phone: 310-333-6413
+     Fax:   310-333-5514
+     e-mail: hastings@cp10.es.xerox.com
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001            [Page 15]
+
+
+INTERNET DRAFT    IPP/1.1: Notification Requirements   January 23, 2001
+
+
+
+     IPP Mailing List:  ipp@pwg.org
+     IPP Mailing List Subscription: ipp-request@pwg.org
+     IPP Web Page:  http://www.pwg.org/ipp/
+
+10 Appendix A: Full Copyright Statement
+
+   Copyright (C) The Internet Society (1998,1999,2000,2001). All Rights
+   Reserved
+
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, Lewis, Hastings       Expires July 23, 2001            [Page 16]
diff --git a/standards/draft-ietf-ipp-not-over-snmp-04.txt b/standards/draft-ietf-ipp-not-over-snmp-04.txt
new file mode 100644
index 000000000..f7aa32af3
--- /dev/null
+++ b/standards/draft-ietf-ipp-not-over-snmp-04.txt
@@ -0,0 +1,9 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<HTML><HEAD>
+<TITLE>404 Not Found</TITLE>
+</HEAD><BODY>
+<H1>Not Found</H1>
+The requested URL /internet-drafts/draft-ietf-ipp-not-over-snmp-04.txt was not found on this server.<P>
+<HR>
+<ADDRESS>Apache/1.3.11 Server at www2.ietf.org Port 80</ADDRESS>
+</BODY></HTML>
diff --git a/standards/draft-ietf-ipp-not-spec-06.txt b/standards/draft-ietf-ipp-not-spec-06.txt
new file mode 100644
index 000000000..fef25561f
--- /dev/null
+++ b/standards/draft-ietf-ipp-not-spec-06.txt
@@ -0,0 +1,4988 @@
+
+
+
+
+
+
+INTERNET-DRAFT                                       R. Herriot (editor)
+<draft-ietf-ipp-not-spec-06.txt>                       Xerox Corporation
+[Target Category: standards track]                           T. Hastings
+                                                       Xerox Corporation
+                                                                R. deBry
+                                               Utah Valley State College
+                                                             S. Isaacson
+                                                            Novell, Inc.
+                                                               J. Martin
+                                                              Underscore
+                                                             M. Shepherd
+                                                       Xerox Corporation
+                                                              R. Bergman
+                                          Hitachi Koki Imaging Solutions
+                                                        January 24, 2000
+                     Internet Printing Protocol (IPP):
+                   IPP Event Notification Specification
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+Status of this Memo
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [RFC2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+
+   This document describes an extension to the IPP/1.0, IPP/1.1, and
+   future versions. This extension allows a client to subscribe to
+   printing related Events. Subscriptions are modeled as Subscription
+   Objects.  The Subscription Object specifies that when one of the
+   specified Event occurs, the Printer sends an asynchronous Event
+   Notification to the specified Notification Recipient via the
+   specified Delivery Method (i.e., protocol).  A client associates
+   Subscription Objects with a particular Job by performing the Create-
+   Job-Subscriptions operation or by submitting a Job with subscription
+   information.  A client associates Subscription Objects with the
+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+   Printer by performing a Create-Printer-Subscriptions operation.  Four
+   other operations are defined for Subscription Objects: Get-
+   Subscriptions-Attributes, Get-Subscriptions, Renew-Subscription, and
+   Cancel-Subscription.
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+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+
+
+   The basic set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+        Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.1: Model and Semantics  [RFC2911]
+     Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+     Internet Printing Protocol/1.1: Implementer's Guide [IPP-IIG]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, Operators, and
+   Administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  Operator and Administrator requirements
+   are out of scope for version 1.0.  A few OPTIONAL Operator operations
+   have been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Model and Semantics", describes
+   a simplified model with abstract objects, their attributes, and their
+   operations that are independent of encoding and transport. It
+   introduces a Printer object and a Job object. The Job object
+   optionally supports multiple documents per Job. It also addresses
+   security, internationalization, and directory issues.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1.  It defines the encoding rules
+   for a new Internet MIME media type called "application/ipp".  This
+   document also defines the rules for transporting over HTTP a message
+   body whose Content-Type is "application/ipp".  This document defines
+   a new scheme named 'ipp' for identifying IPP printers and jobs.
+   Finally, this document defines interoperability rules for supporting
+   IPP/1.0 clients.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.0 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+
+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+Table of Contents
+
+
+   1  Introduction....................................................9
+   1.1   Notification Overview........................................9
+
+   2  Models for Notification........................................12
+   2.1   Model for Notification (Simple Case)........................12
+   2.2   Model for Notification with Cascading Printers..............12
+   2.3   Distributed Model for Notification..........................12
+   2.4   Extended Notification Recipient.............................13
+
+   3  Terminology....................................................13
+   3.1   Conformance Terminology.....................................13
+   3.2   Other Terminology...........................................14
+
+   4  Object Relationships...........................................16
+   4.1   Printer and Per-Printer Subscription Objects................16
+   4.2   Printer, Job and Per-Job Subscription Objects...............16
+
+   5  Subscription Object............................................17
+   5.1   Rules for Support of Subscription Template Attributes.......17
+   5.2   Rules for Processing Subscription Template Attributes.......18
+   5.3   Subscription Template Attributes............................22
+   5.3.1 notify-recipient-uri (uri)..................................23
+   5.3.2 notify-events (1setOf type2 keyword)........................24
+   5.3.2.1  Standard Values for Subscribed Events ...................24
+   5.3.2.1.1   No Events.............................................25
+   5.3.2.1.2   Subscribed Printer Events.............................25
+   5.3.2.1.3   Subscribed Job Events.................................26
+   5.3.2.2  Rules for Matching of Subscribed Events .................28
+   5.3.2.2.1   Rules for Matching of Printer Events..................28
+   5.3.2.2.2   Rules for Matching of Job Events......................28
+   5.3.2.2.3   Special Cases for Matching Rules......................29
+   5.3.3 notify-attributes (1setOf type2 keyword)....................30
+   5.3.4 notify-user-data (octetString(63))..........................31
+   5.3.5 notify-charset (charset)....................................31
+   5.3.6 notify-natural-language (naturalLanguage)...................32
+   5.3.7 notify-lease-duration (integer(0:67108863)).................32
+   5.3.8 notify-time-interval (integer(0:MAX)).......................33
+   5.4   Subscription Description Attributes.........................35
+   5.4.1 notify-subscription-id  (integer (1:MAX))...................35
+   5.4.2 notify-sequence-number (integer (0:MAX))....................36
+   5.4.3 notify-lease-expiration-time (integer(0:MAX))...............36
+   5.4.4 notify-printer-up-time (integer(1:MAX)).....................37
+   5.4.5 notify-printer-uri (uri)....................................37
+   5.4.6 notify-job-id (integer(1:MAX))..............................38
+   5.4.7 notify-subscriber-user-name (name(MAX)).....................38
+
+   6  Printer Description Attributes Related to Notification.........38
+
+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+   6.1   printer-state-change-time (integer(1:MAX))..................39
+   6.2   printer-state-change-date-time (dateTime)...................39
+
+   7  New Values for Existing Printer Description Attributes.........40
+   7.1   operations-supported (1setOf type2 enum)....................40
+
+   8  Attributes Only in Event Notifications.........................40
+   8.1   notify-subscribed-event (type2 keyword).....................40
+   8.2   notify-text (text(MAX)).....................................41
+
+   9  Event Notification Content.....................................41
+   9.1   Content of Machine Consumable Event Notifications...........43
+   9.1.1 Event Notification Content Common to All Events.............44
+   9.1.2 Additional Event Notification Content for Job Events........45
+   9.1.3 Additional Event Notification Content for Printer Events....46
+   9.2   Content of Human Consumable Event Notification..............46
+   9.2.1 Event Notification Content Common to All Events.............47
+   9.2.2 Additional Event Notification Content for Job Events........49
+   9.2.3 Additional Event Notification Content for Printer Events....50
+
+   10 Delivery Methods...............................................51
+
+   11 Operations for Notification....................................53
+   11.1  Subscription Creation Operations............................53
+   11.1.1  Create-Job-Subscriptions Operation .......................54
+   11.1.1.1 Create-Job-Subscriptions Request ........................54
+   11.1.1.2 Create-Job-Subscriptions Response .......................55
+   11.1.2  Create-Printer-Subscriptions operation ...................56
+   11.1.2.1 Create-Printer-Subscriptions Request ....................57
+   11.1.2.2 Create-Printer-Subscriptions Response ...................57
+   11.1.3  Job Creation Operation - Extensions for Notification .....57
+   11.1.3.1 Job Creation Request ....................................58
+   11.1.3.2 Job Creation Response ...................................58
+   11.2  Other Operations............................................59
+   11.2.1  Validate-Job Operation - Extensions for Notification .....59
+   11.2.2  Get-Printer-Attributes - Extensions for Notification .....60
+   11.2.3  Get-Subscription-Attributes operation ....................60
+   11.2.3.1 Get-Subscription-Attributes Request .....................61
+   11.2.3.2 Get-Subscription-Attributes Response ....................62
+   11.2.4  Get-Subscriptions operation ..............................63
+   11.2.4.1 Get-Subscriptions Request ...............................63
+   11.2.4.2 Get-Subscriptions Response ..............................64
+   11.2.5  Renew-Subscription operation .............................65
+   11.2.5.1 Renew-Subscription Request ..............................66
+   11.2.5.2 Renew-Subscription Response .............................66
+   11.2.6  Cancel-Subscription operation ............................67
+   11.2.6.1 Cancel-Subscription Request .............................68
+   11.2.6.2 Cancel-Subscription Response ............................69
+
+   12 Conformance Requirements.......................................69
+
+
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+   13 IANA Considerations............................................70
+   13.1  Attribute Registrations.....................................70
+   13.2  Keyword Attribute Value Registrations.......................71
+   13.3  Operation Registrations.....................................71
+   13.4  Status code Registrations...................................72
+   13.5  Attribute Group tag Registrations...........................72
+   13.6  Format for Event Notification Delivery Method Registration
+   proposals.........................................................73
+   13.7  Format and Requirements for IPP Delivery Method Registration
+   Proposals.........................................................73
+
+   14 Internationalization Considerations............................73
+
+   15 Security Considerations........................................74
+
+   16 Status Codes...................................................74
+   16.1  successful-ok-ignored-subscriptions (0x0003)................75
+   16.2  client-error-ignored-all-subscriptions (0x0414).............75
+
+   17 Status Codes in Subscription Attributes Groups.................75
+   17.1  client-error-uri-scheme-not-supported (0x040C)..............75
+   17.2  client-error-too-many-subscriptions (0x0415)................76
+   17.3  successful-ok-too-many-events (0x0005)......................76
+   17.4  successful-ok-ignored-or-substituted-attributes (0x0001)....76
+
+   18 Encodings of Additional Attribute Tags.........................76
+
+   19 References.....................................................76
+
+   20 Author's Addresses.............................................78
+
+   A. Appendix - Model for Notification with Cascading Printers......79
+
+   B. Appendix - Distributed Model for Notification..................80
+
+   C. Appendix - Extended Notification Recipient.....................81
+
+   D. Appendix - Details about Conformance Terminology...............82
+
+   E. Appendix - Object Model for Notification.......................83
+   E.1   Appendix - Object relationships.............................84
+   E.2   Printer Object and Per-Printer Subscription Objects.........85
+   E.3   Job Object and Per-Job Subscription Objects.................85
+
+   F. Appendix - Per-Job versus Per-Printer Subscription Objects.....85
+
+   G. Appendix: Full Copyright Statement.............................86
+
+Tables
+   Table 1 - Subscription Template Attributes........................23
+
+
+Herriot, et al.          Expires July 24, 2001                  [page 7]
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+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+   Table 2 - Subscription Description Attributes.....................35
+   Table 3 - Printer Description Attributes Associated with Notification
+       ..............................................................39
+   Table 4 - Operation-id assignments................................40
+   Table 5 - Attributes in Event Notification Content................44
+   Table 6 - Additional Event Notification Content for Job Events....45
+   Table 7 - Combinations of Events and Subscribed Events for "job-
+      impressions-completed" ........................................46
+   Table 8 - Additional Event Notification Content for Printer Events46
+   Table 9 - Printer Name in Event Notification Content..............48
+   Table 10 - Event Name in Event Notification Content...............48
+   Table 11 - Event Time in Event Notification Content...............49
+   Table 12 - Job Name in Event Notification Content.................49
+   Table 13 - Job State in Event Notification Content................50
+   Table 14 - Printer State in Event Notification Content............51
+   Table 15 - Information about the Delivery Method..................52
+   Table 16 - Conformance Requirements for Operations................70
+Figures
+   Figure 1 - Model for Notification.................................12
+   Figure 2 - Model for Notification with Cascading Printers.........80
+   Figure 3 - Opaque Use of a Notification Service Transparent to the
+      Client ........................................................81
+   Figure 4 - Use of an Extended Notification Recipient transparent to
+      the Printer ...................................................82
+   Figure 5 - Object Model for Notification..........................84
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+Herriot, et al.          Expires July 24, 2001                  [page 8]
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+1  Introduction
+
+   This IPP notification specification is an extension to IPP/1.0
+   [RFC2568, RFC2569] and IPP/1.1 [RFC2911, RFC2910].  This document in
+   combination with the following documents is intended to meet the
+   notification requirements described in [ipp-not-req]:
+
+         Internet Printing Protocol (IPP):  "Job Progress Attributes"
+         [ipp-prog]
+         One or more Delivery Method Documents registered with IANA (see
+         section 13).
+
+   Note: this document does not define any Delivery Methods, but it does
+   define the rules for conformance for Delivery Method Documents.
+
+   Refer to the Table of Contents for the layout of this document.
+
+1.1  Notification Overview
+
+   This document defines operations that a client can perform in order
+   to create Subscription Objects in a Printer and carry out other
+   operations on them. A Subscription Object represents a Subscription
+   abstraction. The Subscription Object specifies that when one of the
+   specified Events occurs, the Printer sends an asynchronous Event
+   Notification to the specified Notification Recipient via the
+   specified Delivery Method (i.e., protocol).
+
+   When a client (called a Subscribing Client) performs an operation
+   that creates a Subscription Object, the operation contains one or
+   more Subscription Template Attributes Groups. Each such group holds
+   information used by the Printer to initialize a newly created
+   Subscription Object. The Printer creates one Subscription Object for
+   each Subscription Template Attributes Group in the operation. This
+   group is like the Job Template Attributes group defined in [RFC2911].
+   The following is an example of the information included in a
+   Subscription Template Attributes Group (see section 5 for details on
+   the Subscription Object attributes):
+
+     1.The names of Subscribed Events that are of interest to the
+       Notification Recipient.
+     2.The address (URL) of one Notification Recipient.
+     3.The Delivery Method (i.e., the protocol) which the Printer uses
+       to send the Event Notification.
+     4.Some opaque data that the Printer sends to the Notification
+       Recipient in the Event Notification. The Notification Recipient
+       might use this opaque data as a forwarding address for the Event
+       Notification.
+     5.The charset to use in text fields within an Event Notification
+     6.The natural language to use in the text fields of the Event
+       Notification
+
+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+     7.The requested lease time in seconds for the Subscription Object
+   An operation that creates a Subscription Object is called a
+   Subscription Creation Operation. These operations include the
+   following operations (see section 11.1 for further details):
+
+    .  Job Creation operation: When a client performs such an operation
+       (Print-Job, Print-URI, and Create-Job), a client can include
+       zero or more Subscription Template Attributes Groups in the
+       request.  The Printer creates one Subscription Object for each
+       Subscription Template Attributes Group in the request, and the
+       Printer associates each such Subscription Object with the newly
+       created Job. This document extends these operations' definitions
+       in [RFC2911] by adding Subscription Template Attributes Groups
+       in the request and Subscription Attributes Groups in the
+       response.
+
+    .  Create-Job-Subscriptions operation: A client can include one or
+       more Subscription Template Attributes Groups in the request.
+       The Printer creates one Subscription Object for each
+       Subscription Template Attributes Group and associates each with
+       the job that is the target of this operation.
+
+    .  Create-Printer-Subscriptions operation: A client can include one
+       or more Subscription Template Attributes Groups in the request.
+       The Printer creates one Subscription Object for each
+       Subscription Template Attributes Group and associates each with
+       the Printer that is the target of this operation.
+
+   For each of the above operations:
+
+    .  the Printer associates a Subscription Object with the Printer or
+       a specific Job. When a Subscription Object is associated with a
+       Job Object, it is called a Per-Job Subscription Object. When a
+       Subscription Object is associated with a Printer Object, it is
+       called a Per-Printer Subscription Object.
+
+    .  the response contains one Subscription Attributes Group for each
+       Subscription Template Attributes Group in the request and in the
+       same order. When the Printer successfully creates a Subscription
+       Object, its corresponding Subscription Attributes Group contains
+       the "notify-subscription-id" attribute. This attribute uniquely
+       identifies the Subscription Object and is analogous to a "job-
+       id" for a Job object. Some operations described below use the
+       "notify-subscription-id" to identify the target Subscription
+       Object.
+
+   This document defines the following additional operations (see
+   section 11.2 for further details):
+
+
+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+    .  Validate-Job operation: When a client performs this operation, a
+       client can include zero or more Subscription Template Attributes
+       Groups in the request.  The Printer determines if it could
+       create one Subscription Object for each Subscription Template
+       Attributes Group in the request. This document extends this
+       operation's definition in [RFC2911] by adding Subscription
+       Template Attributes Groups in the request and Subscription
+       Attributes Groups in the response.
+
+    .  Get-Subscription-Attributes operation: This operation allows a
+       client to obtain the specified attributes of a target
+       Subscription Object.
+
+    .  Get-Subscriptions operation: This operation allows a client to
+       obtain the specified attributes of all Subscription Objects
+       associated with the Printer or a specified Job.
+
+    .  Renew-Subscription operation: This operation renews the lease on
+       the target Per-Printer Subscription Object before it expires. A
+       newly created Per-Printer Subscription Object receives an
+       initial lease.  It is the duty of the client to use this
+       operation frequently enough to preserve a Per-Printer
+       Subscription Object. The Printer deletes a Per-Printer
+       Subscription Object when its lease expires. A Per-Job
+       Subscription Object last exactly as long as its associated Job
+       Object and thus doesn't have a lease.
+
+    .  Cancel-Subscription operation: This operation cancels the lease
+       on the specified Per-Printer Subscription Object and thereby
+       deletes the Subscription Object.
+
+   When an Event occurs, the Printer finds all Subscription Objects
+   listening for the Event (see section 9 for details on finding such
+   Subscription Objects). For each such Subscription Object, the
+   Printer:
+
+     a)generates an Event Notification with information specified in
+       section 9, AND
+
+     b)either:
+
+       i)   delivers the Event Notification using the Delivery Method
+          and target address identified in the Subscription Object's
+          "notify-recipient-uri" attribute if the Delivery Method is a
+          "push", OR
+
+       ii)  saves Event Notification for a time period defined by the
+          Delivery Method if the Delivery Method is a "pull", i.e., the
+          Notification Recipient is expected to fetch the Event
+          Notifications.
+
+
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+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
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+2  Models for Notification
+
+2.1  Model for Notification (Simple Case)
+
+   As part of a Subscription Creation Operation, an IPP Printer (i.e.,
+   located in an output device or a server) creates one or more
+   Subscription Objects. In a Subscription Creation Operation, the
+   client specifies the Notification Recipient to which the Printer is
+   to deliver Event Notifications.  A Notification Recipient can be the
+   Subscribing Client or a third party.
+
+   Figure 1 shows the Notification model for a simple Client-Printer
+   relationship.
+
+
+   embedded printer:
+                                           output device or server
+      PDA, desktop, or server                 +---------------+
+           +--------+                         |  ###########  |
+           | client |-----Subscription ---------># Printer #  |
+           +--------+  Creation Operation     |  # Object  #  |
+        +------------+                        |  #####|#####  |
+        |Notification|                        +-------|-------+
+        |Recipient   |<----IPP Event Notifications----+
+        +------------+    (Job and/or Printer Events)
+
+                     Figure 1 - Model for Notification
+
+2.2  Model for Notification with Cascading Printers
+
+   With this model, there is an intervening Print server between the
+   human user and the Printer in the output device. If the Printer in
+   the output device generates an Event, the system can be configured to
+   send Event Notification either
+
+      .  directly to the Notification Recipient specified by the
+         Subscribing Client or
+
+      .  via the Print Server to the Notification Recipient specified by
+         the Subscribing Client.
+
+   See Appendix A for more details.
+
+2.3  Distributed Model for Notification
+
+   The preceding sections (2.1 and 2.2) assume that the Notification
+   software resides in the same device or Server box as the rest of the
+   Printer software. In many implementations, the assumption is correct.
+   However, the Notification model also permits a distributed
+   implementation.
+
+
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+   For example, the software that supports both Subscription Creation
+   Operations and sending of Event Notifications could be on hardware
+   that is separate from the output device. To make this work, there
+   must be a symbiotic relationship between the output device software
+   and the remote Notification software. Without the remote Notification
+   software, the output device software is not a complete Printer.
+
+   The term "Printer" in this document includes the software on the
+   output device or server box as well as Notification software that is
+   local to or remote from the output device.
+
+   Appendix B describes this example in detail.
+
+2.4  Extended Notification Recipient
+
+   The model allows for an extended Notification Recipient that is
+   itself a Notification service that forwards each Event Notification
+   to another recipient. The client contacts this Notification Recipient
+   to arrange for forwarding by means outside the scope of this
+   document. The Printer need not be aware that the Notification
+   Recipient forwards Event Notifications.
+
+   Appendix C describes this example in detail.
+
+
+3  Terminology
+
+   This section defines terminology used throughout this document. Other
+   terminology is defined in [RFC2911].
+
+3.1  Conformance Terminology
+
+   Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD
+   NOT, MAY, NEED NOT, and OPTIONAL, have special meaning relating to
+   conformance to this specification.  These terms are defined in
+   [RFC2911 section 13.1 on conformance terminology, most of which is
+   taken from RFC 2119 [RFC2119]. See Appendix D for complete details.
+
+   Note: a feature that is OPTIONAL in this document becomes REQUIRED if
+   the Printer implements a Delivery Method that REQUIRES the feature
+
+   READ-ONLY - an adjective used in an attribute definition to indicate
+      that an IPP Printer MUST NOT allow the attribute's value to be
+      modified with the Set-Job-Attributes or Set-Printer-Attributes
+      operations (see [ipp-set]).  Note:  there is no Set-Subscription
+      operation so this term is not used for Subscription object
+      attributes.
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 13]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+3.2  Other Terminology
+
+   Administrator - A human user who establishes policy for and
+      configures the print system.
+
+   Operator - A human user who carries out the policy established by the
+      Administrator and controls the day to day running of the print
+      system.
+
+   IPP Client (or client) - The software component (PDA, desktop, or
+      server) that performs an IPP operation directed at an IPP Printer
+      (located in a server or output device).
+
+   Job Creation operation - One of the operations that creates a Job
+      object:  Print-Job, Print-URI and Create-Job.  The Validate-Job
+      operation is not a Job Creation operation because no Job object is
+      created.  Therefore, when a statement also applies to the
+      Validate-Job operation, it is mentioned explicitly.
+
+   Event  - some occurrence (either expected or unexpected) within the
+      printing system of a change of state, condition, or configuration
+      of a Job or Printer object. An Event occurs only at one instant in
+      time and does not span the time the physical Event takes place.
+      For example, jam-occurred and jam-cleared are two distinct,
+      instantaneous Events, even though the jam may last for a while.
+
+   Job Event - an Event caused by some change in a particular job on the
+      Printer, e.g., job-completed.
+
+   Printer Event - an Event caused by some change in the Printer that is
+      not specific to a job, e.g., printer-state-changed.
+
+   Subscribed Event - an Event that the Subscribing Client expresses
+      interest in by making it a value of the "notify-events" attribute
+      on a Subscription Object.
+
+   Subscribed Job Event - a Subscribed Event that is a Job Event.
+
+   Subscribed Printer Event - a Subscribed Event that is a Printer
+      Event.
+
+   Event Notification  - the information about an Event that the Printer
+      sends when an Event occurs.
+
+   Notification Recipient  - the entity to which the Printer sends an
+      Event Notification.
+
+   Delivery Method  - the mechanism by which the Printer delivers the
+      Event Notification, e.g., via email or via SNMP.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 14]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Delivery Method Document - a document, separate from this document,
+      that defines a Delivery Method.
+
+   Compound Event Notification  - two or more Event Notifications that a
+      Printer sends together as a single entity.  The Delivery Method
+      Document specifies whether the Delivery Method supports Compound
+      Event Notifications.
+
+   Subscription Object - An object containing a set of attributes that
+      indicate: the Notification Recipient, the Delivery Method, the
+      Subscribed Events that cause the Printer to send an Event
+      Notification, and the information to send in an Event
+      Notification.
+
+   Per-Job Subscription Object - A Subscription Object that is
+      associated with a single Job. The Create-Job-Subscriptions
+      operation and Job Creation operations create such an object.
+
+   Per-Printer Subscription Object - A Subscription Object that is
+      associated with the Printer as a whole. The Create-Printer-
+      Subscriptions operation creates such an object.
+
+   Subscribing Client - The client that creates the Subscription Object.
+
+   Subscription Creation Operation - An operation that creates a
+      Subscription Object:  Job Creation operations, Create-Job-
+      Subscriptions operation, and Create-Printer-Subscriptions
+      operation. In the context of a Job Creation operation, a
+      Subscription Creation Operation is the part of the Job Creation
+      operation that creates a Subscription object.
+
+   Subscription Creation Request  - The request portion of a
+      Subscription Creation Operation.
+
+   Subscription Template Attributes  - Subscription Object attributes
+      that a client can supply in a Subscription Creation Operation and
+      associated Printer Object attributes that specify supported and
+      default values for the Subscription Object attributes.
+
+   Subscription Description Attributes  - Subscription Object attributes
+      that a Printer supplies during a Subscription Creation Operation.
+
+   Subscription Template Attributes Group - The attributes group in a
+      request that contains Subscription Object attributes that are
+      Subscription Template Attributes.
+
+   Subscription Attributes Group  - The attributes group in a response
+      that contains Subscription Object attributes.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 15]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Human Consumable Event Notification - localized text for human
+      consumption only.  There is no standardized format and thus
+      programs should not try to parse this text.
+
+   Machine Consumable Event Notification - bytes for program
+      consumption. The bytes are formatted according to the Delivery
+      Method document.
+
+   Printer - the software that supports an output device or print server
+      (see IPP/1.1 [RFC2911] which uses the terms Printer and Printer
+      object interchangeably). This document extends the IPP/1.1 Printer
+      definition to include the software that implements Subscription
+      Creation Operations and the sending of Event Notifications, even
+      if the software for such a Printer would be distributed across a
+      network (see section 2.3).
+
+   Notification - when not in the phrases 'Event Notification' and
+      'Notification Recipient' - the concepts of this specification,
+      i.e., Events, Subscription Objects, and Event Notifications.
+
+
+4  Object Relationships
+
+   This section defines the object relationships between the Printer,
+   Job, and Subscription Objects.  It does not define the
+   implementation. For an illustration of these relationships, see
+   Appendix E.
+
+4.1  Printer and Per-Printer Subscription Objects
+
+    1.A Printer object can be associated with zero or more Per-Printer
+      Subscription Objects.
+
+    2.Each Per-Printer Subscription Object is associated with exactly
+      one Printer object.
+
+4.2  Printer, Job and Per-Job Subscription Objects
+
+    1.A Printer object is associated with zero or more Job objects.
+
+    2.Each Job object is associated with exactly one Printer object.
+
+    3.A Job object is associated with zero or more Per-Job Subscription
+      Objects.
+
+    4.Each Per-Job Subscription Object is associated with exactly one
+      Job object.
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 16]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+5  Subscription Object
+
+   A Subscribing Client creates a Subscription Object with a
+   Subscription Creation Operation in order to indicate its interest in
+   certain Events. See section 11 for a description of these operations.
+   When an Event occurs, the Subscription Object specifies to the
+   Printer where to send Event Notifications, how to send them and what
+   to put in them. See section 9 for details on the contents of an Event
+   Notification.
+
+   Using the IPP Job Template attributes as a model (see [RFC2911]
+   section 4.2), the attributes of a Subscription Object are divided
+   into two categories: Subscription Template Attributes and
+   Subscription Description Attributes.
+
+   Subscription Template attributes are, in turn, like the Job Template
+   attributes, divided into
+
+     1.Subscription Object attributes that a client can supply in a
+       Subscription Creation Request and
+
+     2.their associated Printer Object attributes that specify
+       supported and default values for the Subscription Object
+       attributes
+
+   The remainder of this section specifies general rules for
+   Subscription Template Attributes and describes each attribute in a
+   Subscription Object.
+
+5.1  Rules for Support of Subscription Template Attributes
+
+   Subscription Template Attributes are fundamental to the Notification
+   model described in this specification. The client supplies these
+   attributes in Subscription Creation Operations and the Printer uses
+   these attributes to populate a newly created Subscription Object.
+
+   Subscription Objects attributes that are Subscription Template
+   Attributes conform to the following rules:
+
+     1.Each attribute's name starts with the prefix string "notify-"
+       and this document calls such attributes "notify-xxx".
+
+     2.For each "notify-xxx" Subscription Object attribute defined in
+       column 1 of Table 1 in section 5.3, Table 1 specifies
+       corresponding Printer attributes: "notify-xxx-default", "notify-
+       xxx-supported", "yyy-supported" and "notify-max-xxx-supported"
+       defined in column 2 of Table 1.  Note "xxx" stands for the same
+       string in each case and "yyy" stands for some other string.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 17]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     3.If a Printer supports "notify-xxx" in column 1 of Table 1, then
+       the Printer MUST support all associated attributes specified in
+       column 2 of Table 1. For example, Table 1 shows that if the
+       Printer supports "notify-events", it MUST support "notify-
+       events-default", "notify-events-supported" and "notify-max-
+       events-supported".
+
+     4.If a Printer does not support "notify-xxx" in column 1 of Table
+       1, then the Printer MUST NOT support any associated "notify-yyy"
+       attributes specified in column 2 of Table 1. For example, Table
+       1 shows that if the Printer doesn't support "notify-events", it
+       MUST NOT support "notify-events-default", "notify-events-
+       supported" and  "notify-max-events-supported".  Note this rule
+       does not apply to attributes whose names do not start with the
+       string "notify-" and are thus defined in another object and used
+       by other attributes.
+
+     5.Most "notify-xxx" attributes have a corresponding "yyy-
+       supported" attribute that specifies the supported values for
+       "notify-xxx". Column 2 of Table 1 specifies the name of each
+       "yyy-supported" attribute. The naming rules of IPP/1.1 (see
+       [RFC2911]) are used when "yyy-supported" is "notify-xxx-
+       supported".
+
+     6.Some "notify-xxx" attributes have a corresponding "notify-xxx-
+       default" attribute that specifies the value for "notify-xxx" if
+       the client does not supply it. Column 2 of Table 1 specifies the
+       name of each "notify-xxx-default" attribute. The naming rules of
+       IPP/1.1 (see [RFC2911]) are used.
+
+   If a client wishes to present an end user with a list of supported
+   values from which to choose, the client SHOULD query the Printer for
+   its supported value attributes.  The client SHOULD also query the
+   default value attributes.  If the client then limits selectable
+   values to only those values that are supported, the client can
+   guarantee that the values supplied by the client in the create
+   request all fall within the set of supported values at the Printer.
+   When querying the Printer, the client MAY enumerate each attribute by
+   name in the Get-Printer-Attributes Request, or the client MAY just
+   supply the 'subscription-template' group name in order to get the
+   complete set of supported attributes (both supported and default
+   attributes).
+
+5.2  Rules for Processing Subscription Template Attributes
+
+   This section defines a detailed set of rules that a Printer follows
+   when it processes Subscription Template Attributes in a Subscription
+   Creation Request. These rules for are similar to the rules for
+   processing Operation attributes in [RFC2911]. That is, the Printer
+   may or may not support an attribute and a client may or may not
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 18]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   supply the attribute. Some combinations of these cases are OK. Others
+   return warnings or errors, and perhaps a list of unsupported
+   attributes.
+
+   A Printer MUST implement the following behavior for processing
+   Subscription Template Attributes in a Subscription Creation Request:
+
+   1.If a client supplies a "notify-xxx" attribute from column 1 of
+     Table 1 and the Printer supports it and its value, the Printer
+     MUST populate the attribute on the created Subscription Object.
+
+   2.If a client supplies a "notify-xxx" attribute from column 1 of
+     Table 1 and the Printer doesn't support it or its value, the
+     Printer MUST NOT populate the attribute on the created
+     Subscription Object with it. The Printer MUST do one of the
+     following:
+
+     a) If the value of the "notify-xxx" attribute is unsupported, the
+        Printer MUST return the attribute with its value in the
+        Subscription Attributes Group of the response.
+
+     b) If "notify-xxx" is an unsupported attribute, the Printer MUST
+        return the attribute in the Subscription Attributes Group of the
+        response with the 'unsupported' out-of-band value.
+
+     Note:  The rules of this step are the same as for Unsupported
+     Attributes [RFC2911] section 3.1.7. except that the unsupported
+     attributes are returned in the Subscription Attributes Group
+     rather than the Unsupported Attributes Group because Subscription
+     Creation Operations can create more than one Subscription Object).
+
+   3.If a client is REQUIRED to supply a "notify-xxx" attribute from
+     column 1 of Table 1 and the Printer doesn't support the supplied
+     value, the Printer MUST NOT create a Subscription Object. The
+     rules for Unsupported Attributes in step #2 still apply.
+
+   4.If a client does not supply a "notify-xxx" attribute from column 1
+     of Table 1 and the attribute is REQUIRED for the client to supply,
+     the Printer MUST reject the Subscription Creation Operation
+     (including Job Creation operations) without creating a
+     Subscription Object, and MUST return in the response:
+
+     c) the status code 'client-error-bad-request' AND
+
+     d) no Subscription Attribute Groups.
+
+   5.If a client does not supply a "notify-xxx" attribute from column 1
+     of Table 1 that is OPTIONAL for the client to supply, and column 2
+     of Table 1 either:
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 19]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     a) specifies a "notify-xxx-default" attribute, the Printer MUST
+        behave as if the client had supplied the "notify-xxx-default"
+        attribute (see step #1) and populate the Subscription object
+        with the value of the "notify-xxx-default" attribute as part of
+        the Subscription Creation operation (unlike Job Template
+        attributes where the Printer does not populate the Job object
+        with defaults - see [RFC2911]) OR
+
+     b) does not specify a "notify-xxx-default" attribute, the Printer
+        MUST populate the "notify-xxx" attribute on the Subscription
+        Object according to the definition of the "notify-xxx" attribute
+        in a section 5.3. For some attributes, the "notify-xxx" is
+        populated with the value of some other attribute, and for
+        others, the "notify-xxx" is NOT populated on the Subscription
+        object at all.
+
+   6.A Printer MUST create a Subscription Object for each Subscription
+     Template Attributes group in a request unless the Printer:
+
+     a) encounters some attributes in a Subscription Template Attributes
+        Group that require the Printer not to create the Subscription
+        Object OR
+
+     b) would create a Per-Job Subscription Object when it doesn't have
+        space for another Per-Job Subscription Object OR
+
+     c) would create a Per-Printer Subscription Object when it doesn't
+        have space for another Per-Printer Subscription Object.
+
+   7.A response MUST contain one Subscription Attributes Group for each
+     Subscription Template Attributes Group in the request (and in the
+     same order) whether the Printer creates a Subscription Object from
+     the Subscription Template Attributes Group or not. However, the
+     attributes in each Subscription Attributes Group can be in any
+     order.
+
+   8.The Printer MUST populate each Subscription Attributes Group of
+     the response such that each contains:
+
+     a) the "notify-subscription-id" attribute (see section 0), if and
+        only if the Printer creates a Subscription Object.
+
+     b) the "notify-lease-duration" attribute (see section 5.3.7), if
+        and only if the Printer creates a Per-Printer Subscription
+        Object. The value of this attribute is the value of the
+        Subscription Object's "notify-lease-duration" attribute. This
+        value MAY be different from the client-supplied value (see
+        section 5.3.7). If a client supplies this attribute in the
+        creation of a Per-Job Subscription Object, it MUST appear in
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 20]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+        this group with the out-of-band value 'unsupported' to indicate
+        that the Printer doesn't support it in this context.
+
+     c) all of the unsupported Subscription Template Attributes from
+        step #2.  Note, they are not returned in the Unsupported
+        Attributes Group in order to separate the unsupported attributes
+        for each Subscription Object.
+
+     d) the "notify-status-code" attribute if the Printer does not
+        create the Subscription Object or if there are unsupported
+        attributes from step #2. The possible values of the "notify-
+        status-code" attribute are shown below (see section 17 for more
+        details). The Printer returns the first value in the list below
+        that describes the status.
+
+          'client-error-uri-scheme-not-supported':  the Subscription
+             Object was not created because the scheme of the "notify-
+             recipient-uri" attribute is not supported. See section 17.1
+             for more details about this status code. See step #3 in
+             this section for the case that causes this error, and the
+             resulting step #6a) that causes the Printer not to create
+             the Subscription Object.
+
+          'client-error-too-many-subscriptions':  the Subscription
+             Object was not created because the Printer has no space for
+             additional Subscription Objects.  The client SHOULD try
+             again later. See section 17.2 for more details about this
+             status code. See steps #6b) and #6c) in this section for
+             the cases that causes this error.
+
+           'successful-ok-too-many-events':  the Subscription Object
+             was created without the "notify-events" values included in
+             this Subscription Attributes Group because the "notify-
+             events" attribute contains too many values. See section
+             17.3 for more details about this status code. See step #2
+             in this section and section 5.3.2 for the cases that cause
+             this status code.
+
+          'successful-ok-ignored-or-substituted-attributes' :  the
+             Subscription Object was created but some supplied
+             Subscription Template Attributes are unsupported. These
+             unsupported attributes are also in the Subscription
+             Attributes Group. See section 17.4 for more details about
+             this status code. See step #2 in this section for the cases
+             that cause this status code.
+
+   9.The Printer MUST validate all Subscription Template Attributes and
+     MUST return all unsupported attributes and values in the
+     corresponding Subscription Attributes Group of the response (see
+     step #2) unless it determines that it could not create additional
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 21]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     Subscription Objects because of condition #6b) or condition #6c).
+     Then, the Printer NEED NOT validate these additional Subscription
+     Template Attributes and the client MUST NOT expect to find
+     unsupported attributes from step #2 in such additional
+     Subscription Attribute Groups.
+
+5.3  Subscription Template Attributes
+
+   This section contains the Subscription Template Attributes defined
+   for the Subscription and Printer objects.
+
+   Table 1 below shows the Subscription Template Attributes and has two
+   columns:
+
+      .  Attribute in Subscription Object: the name and attribute syntax
+         of each Subscription Object Attribute that is a Subscription
+         Template Attribute
+
+      .  Default and Supported Printer Attributes: the default attribute
+         and supported Printer attributes that are associated with the
+         attribute in column 1.
+
+   A Printer MUST support all attributes in Table 1 below except for
+   "notify-attributes" (and "notify-attributes-supported"). A client
+   MUST supply "notify-recipient-uri" and MAY omit any of the rest of
+   the attributes in column 1 of Table 1 in a Subscription Creation
+   Request.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 22]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+                Table 1 - Subscription Template Attributes
+
+
+
+   Attribute in Subscription     Default and Supported Printer
+   Object                        Attributes
+
+
+   notify-recipient-uri (uri)    notify-schemes-supported  (1setOf
+                                 uriScheme)
+
+   notify-events (1setOf type2   notify-events-default (1setOf type2
+   keyword)                      keyword)
+                                 notify-events-supported (1setOf type2
+                                 keyword)
+                                 notify-max-events-supported
+                                 (integer(2:MAX))
+
+   notify-attributes (1setOf     notify-attributes-supported (1setOf
+   type2 keyword)                type2 keyword)
+
+   notify-user-data
+   (octetString(63))
+
+   notify-charset (charset)      charset-supported (1setOf charset)
+
+   notify-natural-languages      generated-natural-language-supported
+   (naturalLanguage)             (1setOf naturalLanguage)
+
+   notify-lease-duration         notify-lease-duration-default
+   (integer(0:MAX))              (integer(0:67108863))
+                                 notify-lease-duration-supported
+                                 (1setOf (integer(0: 67108863) |
+                                 rangeOfInteger(0:67108863)))
+
+   notify-time-interval
+   (integer(0:MAX))
+
+
+
+5.3.1  notify-recipient-uri (uri)
+
+   This attribute's value is a URL, which is a special case of a URI.
+   Its value consists of a scheme and an address. The address specifies
+   the Notification Recipient and the scheme specifies the Delivery
+   Method for each Event Notification associated with this Subscription
+   Object.
+
+   A Printer MUST support this attribute.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 23]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   A client MUST supply this attribute in Subscription Creation
+   Operation. Thus there is no need for a default attribute.
+
+   The "notify-schemes-supported (1setOf uriScheme)" attribute MUST
+   specify the schemes supported for this attribute.  Note: According to
+   [RFC1738] the ":" terminates the scheme and so is not part of the
+   scheme.  Therefore, values of this attribute do not include the ":".
+
+   If the client supplies an unsupported scheme in the value of this
+   attribute, then the Printer MUST not create the Subscription Object
+   and MUST return the "notify-status-code" attribute with the 'client-
+   error-uri-scheme-not-supported' value in the Subscription Attributes
+   Group in the response.
+
+   The Printer MUST treat the address part of this attribute as opaque.
+
+5.3.2  notify-events (1setOf type2 keyword)
+
+   This attribute contains a set of Subscribed Events.  When an Event
+   occurs and it "matches" a value of this attribute, the Printer sends
+   an Event Notification using information in the Subscription Object.
+   The details of "matching" are described subsection 5.3.2.2.
+
+   A Printer MUST support this attribute.
+
+   A client MAY supply this attribute in a Subscription Creation
+   Operation. If the client does not supply this attribute in
+   Subscription Creation Operation, the Printer MUST populate this
+   attribute on the Subscription Object with its "notify-events-default"
+   attribute value.
+
+   Each value of this attribute on a Subscription Object MUST be one of
+   the values of the  "notify-events-supported (1setOf type2 keyword)"
+   attribute.
+
+   The number of values of this attribute MUST NOT exceed the value of
+   the "notify-max-events-supported" attribute. A Printer MUST support
+   at least 2 values per Subscription Object.  If the number of values
+   supplied by a client in a Subscription Creation Operation exceeds the
+   value of this attribute, the Printer MUST treat extra values as
+   unsupported values and MUST use the value of 'successful-ok-too-many-
+   events' for the "notify-status-code" attribute in the Subscription
+   Attributes Group of the response.
+
+5.3.2.1  Standard Values for Subscribed Events
+
+   Each value of this attribute is a keyword and it specifies a
+   Subscribed Event that represents certain changes. Some keywords
+   represent a subset of changes of another keyword, e.g., 'job-
+   completed' is an Event value which is a sub-value of 'job-state-
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 24]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   change'. See section 5.3.2.2 for the case where this attribute
+   contains both a value and a sub-value.
+
+   The values in this section are divided into three categories: No
+   Events, Job Events and Printer Events.
+
+   A Printer MUST support the Events indicated as "REQUIRED" and MAY
+   support the Events indicated as "OPTIONAL".
+
+5.3.2.1.1  No Events
+
+   The standard and only keyword value for No Events is:
+
+   'none':  REQUIRED - no Event Notifications for any Events. As the
+      sole value of "notify-events-supported", this value means that the
+      Printer does not support the sending of Event Notifications. As
+      the sole value of "notify-events-default", this value means that a
+      client MUST specify the "notify-events" attribute in order for a
+      Subscription Creation Operation to succeed. If the Printer
+      receives this value as the sole value of a Subscription Creation
+      Operation, it does not create a Subscription Object. If a Printer
+      receives this value with other values of a Subscription Creation
+      Operation, the Printer MUST treat this value as an unsupported
+      value.
+
+5.3.2.1.2  Subscribed Printer Events
+
+   The standard keyword values for Subscribed Printer Events are:
+
+   'printer-state-changed':  REQUIRED - the Printer changed state from
+      any state to any other state. Specifically, the value of the
+      Printer's "printer-state", "printer-state-reasons" or "printer-is-
+      accepting-jobs" attributes changed.
+
+      This Subscribed Event value has the following sub-values:
+      'printer-restarted' and 'printer-shutdown'. A client can listen
+      for any of these sub-values if it doesn't want to listen to all
+      printer-state changes:
+
+          'printer-restarted':  OPTIONAL - when the printer is powered
+             up .
+
+          'printer-shutdown':  OPTIONAL - when the device is being
+             powered down .
+
+          'printer-stopped:  REQUIRED - when the printer stops printing,
+             i.e. the value of the "printer-state" Printer attribute
+             becomes 'stopped'.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 25]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   'printer-config-changed':  OPTIONAL - when the configuration of a
+      Printer has changed, i.e., the value of the "printer-message-from-
+      operator" or any "configuration" Printer attribute has changed.  A
+      "configuration" Printer attribute is an attribute which can change
+      value because of some human interaction either direct or indirect,
+      and which is not covered by one of the other Events in this
+      section. Examples of "configuration" Printer attributes are any of
+      the Job Template attributes, such as "xxx-supported", "xxx-ready"
+      and "xxx-default". Often, such a change is the result of a client
+      performing a Set-Printer-Attributes operation (see [ipp-set]) on
+      the Printer. The client has to perform a Get-Printer-Attributes to
+      find out the new values of these changed attributes.  This Event
+      is useful for GUI clients and drivers to update the available
+      printer capabilities to the user.
+
+      This Event value has the following sub-values: 'printer-media-
+      changed' and 'printer-finishings-changed'. A client can listen for
+      any of these sub-values if it doesn't want to listen to all
+      printer-configuration changes:
+
+          'printer-media-changed':  OPTIONAL - when the media loaded on
+             a printer has been changed, i.e., the "media-ready"
+             attribute has changed.  This Event includes two cases: an
+             input tray that goes empty and an input tray that receives
+             additional media of the same type or of a different type.
+             The client must check the "media-ready" Printer attribute
+             (see [RFC2911] section 4.2.11) separately to find out what
+             changed.
+
+          'printer-finishings-changed':  OPTIONAL - when the finisher on
+             a printer has been changed, i.e., the "finishings-ready"
+             attribute has changed. This Event includes two cases: a
+             finisher that goes empty and a finisher that is refilled
+             (even if it is not full).  The client must check the
+             "finishings-ready" Printer attribute separately to find out
+             what changed.
+
+   'printer-queue-order-changed': OPTIONAL - the order of jobs in the
+      Printer's queue has changed, so that an application that is
+      monitoring the queue can perform a Get-Jobs operation to determine
+      the new order.  This Event does not include when a job enters the
+      queue (the 'job-created' Event covers that) and does not include
+      when a job leaves the queue (the 'job-completed' Event covers
+      that).
+
+5.3.2.1.3  Subscribed Job Events
+
+   The standard keyword values for Subscribed Job Events are:
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 26]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   'job-state-changed':  REQUIRED - the job has changed from any state
+      to any other state. Specifically, the Printer sends this Event
+      whenever the value of the "job-state" attribute or "job-state-
+      reasons" attribute changes. When a Job is removed from the Job
+      History (see [RFC2911] 4.3.7.1), no Event is generated.
+
+      This Event value has the following sub-values: 'job-created',
+      'job-completed' and 'job-stopped'. A client can listen for any of
+      these sub-values if it doesn't want to listen to all 'job-state
+      changes'.
+
+          'job-created':  REQUIRED - the Printer has accepted  a Job
+             Creation operation and the job's "time-at-creation"
+             attribute value is set (see [RFC2911] section 4.3.14.1).
+             The Printer puts the job in the 'pending', 'pending-held'
+             or 'processing' states..
+
+          'job-completed':  REQUIRED - the job has reached one of the
+             completed states, i.e., the value of the job's "job-state"
+             attribute has changed to: 'completed', 'aborted', or
+             'canceled'. The Job's "time-at-completed" and "date-time-
+             at-completed" (if supported) attributes are set (see
+             [RFC2911] section 4.3.14).. The Printer also sends this
+             Event when a Job is removed with the Purge-Job operation.
+             In this case, the Event Notification MUST report the 'job-
+             state' as 'canceled'.
+
+          'job-stopped:  OPTIONAL - when the job stops printing, i.e.
+             the value of the "job-state" Job attribute becomes
+             'processing-stopped'.
+
+   'job-config-changed':  OPTIONAL - when the configuration of a job has
+      changed, i.e., the value of the "job-message-from-operator" or any
+      of the "configuration" Job attributes have changed.  A
+      "configuration" Job attribute is an attribute that can change
+      value because of some human interaction either direct or indirect.
+      Examples of "configuration" Job attributes are any of the job
+      template attributes and the "job-name" attribute. Often, such a
+      change is the result of the user or the Operator performing a Set-
+      Job-Attributes operation (see [ipp-set]) on the Job object.  The
+      client performs a Get-Job-Attributes to find out the new values of
+      the changed attributes.  This Event is useful for GUI clients and
+      drivers to update the job information to the user.
+
+   'job-progress': OPTIONAL - when the Printer has completed Printing a
+      sheet. See the separate [ipp-prog] specification for additional
+      attributes that a Printer MAY send in an Event Notification caused
+      by this Event. The "notify-time-interval" attribute affects this
+      Event by causing the Printer NOT to send an Event Notification
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 27]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      every time a 'job-progress' Events occurs. See section 5.3.8 for
+      full details.
+
+5.3.2.2  Rules for Matching of Subscribed Events
+
+   When an Event occurs, the Printer MUST find each Subscription object
+   whose "notify-events" attribute "matches" the Event.  The rules for
+   "matching" of Subscribed Events are described separately for Printer
+   Events and for Job Events. This section also describes some special
+   cases.
+
+5.3.2.2.1  Rules for Matching of Printer Events
+
+   Suppose that the Printer causes Printer Event E to occur. For each
+   Per-Job or Per-Printer Subscription S in the Printer, if E equals a
+   value of this attribute in S or E is a sub-value of a value of this
+   attribute in S, the Printer MUST generate an Event Notification.
+
+   Consider the example. There are three Subscription Objects each with
+   the Subscribed Printer Event 'printer-state-changed'. Subscription
+   Object A is a Per-Printer Subscription Object. Subscription Object B
+   is a Per-Job Subscription Object for Job 1, and Subscription Object C
+   is a Per-Job Subscription Object for Job 2. When the Printer enters
+   the 'stopped' state, the Printer sends an Event Notification to the
+   Notification Recipients of Subscription Objects A, B, and C because
+   this is a Printer Event. Note if Job 1 has already completed, the
+   Printer would not send an Event Notification for its Subscription
+   Object.
+
+5.3.2.2.2  Rules for Matching of Job Events
+
+   Suppose that Job J causes Job Event E to occur.
+
+     1.For each Per-Printer Subscription S in the Printer, if E equals
+       a value of this attribute in S or E is a sub-value of a value of
+       this attribute in S, the Printer MUST generate an Event
+       Notification.
+
+     2.For each Per-Job Subscription S associated with Job J, if E
+       equals a value of this attribute in S or E is a sub-value of a
+       value of this attribute in S, the Printer MUST generate an Event
+       Notification.
+
+     3.For each Per-Job Subscription S that is NOT associated Job J, if
+       E equals a value of this attribute in S or E is a sub-value of a
+       value of this attribute in, the Printer MUST NOT generate an
+       Event Notification from S.
+
+   Consider the example: There are three Subscription Objects listening
+   for the Job Event 'job-completed'.  Subscription Object A is a Per-
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 28]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Printer Subscription Object. Subscription Object B is a Per-Job
+   Subscription Object for Job 1, and Subscription Object C is a Per-Job
+   Subscription Object for Job 2. In addition, Per-Printer Subscription
+   Object D is listening for the Job Event 'job-state-changed'. When Job
+   1 completes, the Printer sends an Event Notification to the
+   Notification Recipient of Subscription Object A (because it is Per-
+   Printer) and Subscription Object B because it is a Per-Job
+   Subscription Object associated with the Job generating the Event.
+   The Printer also sends an Event Notification to the Notification
+   Recipient of Subscription Object D because 'job-completed' is a sub-
+   value of 'job-state-changed' - the value that Subscription Object D
+   is listening for. The Printer does not send an Event Notification to
+   the Notification Recipients of Subscription Object C because it is a
+   Per-Job Subscription Object associated with some Job other than the
+   Job generating the Event.
+
+5.3.2.2.3  Special Cases for Matching Rules
+
+   This section contains rule for special cases.
+
+   If an Event matches Subscribed Events in two different Subscription
+   Objects and the Printer would send two identical Event Notifications
+   (except for the "notify-subscription-id" attribute) to the same
+   Notification Recipient using the same Delivery Method, the Printer
+   MUST send both Event Notifications. That is, the Printer MUST NOT try
+   to consolidate seemingly identical Event Notifications that occur in
+   separate Subscription objects. Incidentally, the Printer MUST NOT
+   reject Subscription Creation Operations that would create this
+   scenario.
+
+   If an Event matches two values of this "notify-events" attribute in a
+   single Subscription object (e.g., a value and its sub-value), a
+   Printer MAY send one Event Notification for each matched value in the
+   Subscription Object or it MAY send only one Event Notification per
+   Subscription Object. The rules in sections 5.3.2.2.1 and 5.3.2.2.2
+   are purposefully ambiguous about the number of Event Notification
+   sent when Event E matches two or more values in a Subscription
+   Object.
+
+   Consider the example: There are two Per-Printer Subscription Objects
+   when a Job completes. Subscription Object A has the Subscribed Job
+   Event 'job-state-changed'.  Subscription Object B has the Subscribed
+   Job Events 'job-state-changed' and 'job-completed'. The Printer sends
+   an Event Notification to the Notification Recipient of Subscription
+   Object A with the value of  'job-state-changed' for the "notify-
+   subscribing-event" attribute. The Printer sends either one or two
+   Event Notifications to the Notification Recipient of Subscription
+   Object B, depending on implementation. If it sends two Event
+   Notifications, one has the value of  'job-state-changed' for the
+   "notify-subscribing-event" attribute, and the other has the value of
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 29]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   'job-completed' for the "notify-subscribing-event" attribute. If it
+   sends one Event Notification, it has the value of either 'job-state-
+   changed' or 'job-completed' for the "notify-subscribing-event"
+   attribute, depending on implementation. The algorithm for choosing
+   such a value is implementation dependent.
+
+5.3.3  notify-attributes (1setOf type2 keyword)
+
+   This attribute contains a set of attribute names. When a Printer
+   sends a Machine Consumable Event Notification, it includes a fixed
+   set of attributes (see section 9.1). If this attribute is present and
+   the Event Notification is Machine Consumable, the Printer also
+   includes the attributes specified by this attribute.
+
+   A Printer MAY support this attribute.
+
+   A client MAY supply this attribute in a Subscription Creation
+   Operation. If the client does not supply this attribute in
+   Subscription Creation Operation or the Printer does not support this
+   attribute, the Subscription Object MUST NOT contain the "notify-
+   attributes" attribute. There is no "notify-attributes-default"
+   attribute.
+
+   Each keyword value of this attribute on a Subscription Object MUST be
+   a value of the "notify-attributes-supported (1setOf type2 keyword)"
+   attribute. The "notify-attributes-supported" MAY contain any Printer
+   attribute, Job attribute or Subscription Object attribute that the
+   Printer supports in an Event Notification.  It MUST NOT contain any
+   of the attributes in Section 9.1 that a Printer automatically puts in
+   an Event Notification; it would be redundant. If a client supplies an
+   attribute in Section 9.1, the Printer MUST treat it as an unsupported
+   attribute value of the "notify-attributes" attribute.
+
+   The following rules apply to each keyword value N of the "notify-
+   attributes" attribute: If the value N names:
+
+   a)a Subscription attribute, the Printer MUST use the attribute N in
+     the Subscription Object that is being used to generate the Event
+     Notification.
+
+   b)a Job attribute and the Printer is generating an Event
+     Notification from a Per-Job Subscription Object S, the Printer
+     MUST use the attribute N in the Job object associated with S.
+
+   c)a Job attribute and the Printer is generating an Event
+     Notification from a Per-Printer Subscription Object and the Event
+     is:
+
+       .  a Job Event, the Printer MUST use the attribute N in the Job
+          object that caused the Event.
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 30]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       .  a Printer Event, the Printer MUST use the attribute N in the
+          active Job.
+
+   If a Printer supports this attribute and a Subscription Object
+   contains this attribute and the Delivery Method generates a Machine
+   Consumable Event Notification, the Printer MUST include in each Event
+   Notification:
+
+    a)the attributes specified in section 9.1 and
+
+    b)each attribute named by this attribute.
+
+   The Printer MUST NOT use this attribute to generate a Human
+   Consumable Event Notification.
+
+5.3.4  notify-user-data (octetString(63))
+
+   This attribute contains opaque data that some Delivery Methods
+   include in each Machine Consumable Event Notification. The opaque
+   data might contain, for example:
+
+    .  the identity of the Subscriber
+
+    .  a path or index to some Subscriber information
+
+    .  a key that identifies to the Notification Recipient the ultimate
+       recipient of the Event Notification
+
+    .  the id for a Notification Recipient that had previously
+       registered with an Instant Messaging Service
+
+   A Printer MUST support this attribute.
+
+   A client MAY supply this attribute in a Subscription Creation
+   Operation. If the client does not supply this attribute in
+   Subscription Creation Operation, the Subscription Object MUST NOT
+   contain the "notify-user-data" attribute. There is no "notify-user-
+   data-default" attribute.
+
+   There is no "user-data-supported" attribute. Rather, any octetString
+   whose length does not exceed 63 octets is a supported value.  If the
+   length exceeds 63 octets, the Printer MUST treat it as an unsupported
+   value.
+
+5.3.5  notify-charset (charset)
+
+   This attribute specifies the charset to be used in the Event
+   Notification content sent to the Notification Recipient, whether the
+   Event Notification content is Machine Consumable or Human Consumable.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 31]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   A Printer MUST support this attribute.
+
+   A client MAY supply this attribute in a Subscription Creation
+   Operation. If the client does not supply this attribute in
+   Subscription Creation Operation or supplies an unsupported value, the
+   Printer MUST populate this attribute in the Subscription Object with
+   the value of the "attributes-charset" operation attribute, which is a
+   REQUIRED attribute in all IPP requests (see [RFC2911]). If the value
+   of the "attributes-charset" attribute is unsupported, the Printer
+   MUST populate this attribute in the Subscription Object with the
+   value of the Printer's "charset-configured" attribute. There is no
+   "notify-charset-default" attribute.
+
+   The value of this attribute on a Subscription Object MUST be a value
+   of the "charset-supported (1setOf charset)" attribute.
+
+5.3.6  notify-natural-language (naturalLanguage)
+
+   This attribute specifies the natural language to be used in any human
+   consumable text in the Event Notification content sent to the
+   Notification Recipient, whether the Event Notification content is
+   Machine Consumable or Human Consumable.
+
+   A Printer MUST support this attribute.
+
+   A client MAY supply this attribute in a Subscription Creation
+   Operation. If the client does not supply this attribute in
+   Subscription Creation Operation or supplies an unsupported value, the
+   Printer MUST populate this attribute in the Subscription Object with
+   the value of the "attributes-natural-language" operation attribute,
+   which is a REQUIRED attribute in all IPP requests (see [RFC2911]). If
+   the value of the "attributes-natural-language" attribute is
+   unsupported, the Printer MUST populate this attribute in the
+   Subscription Object with the value of the Printer's "natural-
+   language-configured" attribute. There is no "notify-natural-language-
+   default" attribute.
+
+   The value of this attribute on a Subscription Object MUST be a value
+   of the "generated-natural-language-supported (1setOf type2
+   naturalLanguage)" attribute.
+
+5.3.7  notify-lease-duration (integer(0:67108863))
+
+   This attribute specifies the duration of the lease (in seconds)
+   associated with the Per-Printer Subscription Object at the time the
+   Subscription Object was created or the lease was renewed. The
+   duration of the lease is infinite if the value is 0, i.e., the lease
+   never expires.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 32]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   This attribute is not present on a Per-Job Subscription Object
+   because the Subscription Object lasts exactly as long as the
+   associated Job object. See section 5.4.3 on "notify-lease-expiration-
+   time (integer(0:MAX))" for more details.
+
+   A Printer MUST support this attribute.
+
+   For a Subscription Object Creation operation of a Per-Job
+   Subscription Object, the client MUST NOT supply this attribute. If
+   the client does supply this attribute, the Printer MUST treat it as
+   an unsupported attribute.
+
+   For a Subscription Creation Operation of a Per-Printer Subscription
+   Object or a Renew-Subscription operation, a client MAY supply this
+   attribute. If the client does not supply this attribute, the Printer
+   MUST populate this attribute with its "notify-lease-duration-default"
+   (0:67108863) attribute value. If the client supplies this attribute
+   with an unsupported value, the Printer MUST populate this attribute
+   with a supported value, and this value SHOULD be as close as possible
+   to the value requested by the client. Note: this rule implies that a
+   Printer doesn't assign the value of 0 (infinite) unless the client
+   requests it.
+
+   After the Printer has populated this attribute with a supported
+   value, the value represents the "granted duration" of the lease in
+   seconds and the Printer sets the value of the Subscription Object's
+   "notify-lease-expiration-time" attribute as specified in section
+   5.4.3.
+
+   The value of this attribute on a Subscription Object MUST be a value
+   of the "notify-lease-duration-supported" (1setOf (integer(0:67108863)
+   | rangeOfInteger(0:67108863))) attribute.
+
+   A Printer MAY require authentication in order to return the value of
+   0 (the lease never expires) as one of the values of "notify-lease-
+   duration-supported", and to allow 0 as a value of the "notify-lease-
+   duration" attribute.
+
+   Note:  The maximum value 67,108,863 is 2 raised to the 26 power minus
+   1 and is about 2 years in seconds.  The value is considerably less
+   than MAX so that there is virtually no chance of an overflow when it
+   is added to "printer-up-time" to produce "notify-lease-expiration-
+   time".
+
+5.3.8  notify-time-interval (integer(0:MAX))
+
+   The 'job-progress' Event occurs each time that a Printer completes a
+   sheet.  Some Notification Recipients  do not want to receive an Event
+   Notification every time this Event occurs. This attribute allows a
+   Subscribing Client to request how often it wants to receive Event
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 33]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Notifications for 'job-progress' Events. The value of this attribute
+   MAY be any nonnegative integer (0,MAX) indicating the minimum number
+   of seconds between 'job-progress' Event Notifications.
+
+   The Printer MUST support this attribute if and only if the Printer
+   supports the 'job-progress' Event.
+
+   A client MAY supply this attribute in a Subscription Creation
+   Operation. If the client does not supply this attribute, the Printer
+   MUST not populate this attribute on the Subscription Object. There is
+   no "notify-time-interval-default" attribute.
+
+   There is no "notify-time-interval-supported" attribute.
+
+   If the 'job-progress' Event occurs and a Subscription Object contains
+   the 'job-progress' Event as a value of the 'notify-events' attribute,
+   there are two cases to consider:
+
+   1.This attribute is not present on the Subscription Object or has
+     the value of 0. The Printer MUST generate and send an Event
+     Notification (as is the case with other Events).
+
+   2.This attribute is present with a nonzero value of N:
+
+     a)If the Printer has not sent an Event Notification for the 'job-
+       progress' Event for the associated Subscription Object within
+       the past N seconds, the Printer MUST send an Event Notification
+       for the Event that just occurred. Note when the Printer
+       completes the first page of a Job, this rule implies that the
+       Printer sends an Event Notification for a Per-Job Subscription
+       Objects.
+
+     b)Otherwise, the Printer MUST NOT generate or send an Event
+       Notification for the associated Subscription Object. The Printer
+       MUST NOT increase the value of the "notify-sequence-number"
+       Subscription Object attribute (i.e., the sequence of values of
+       the "notify-sequence-number" attribute counts the Event
+       Notifications that the Printer sent and not the Events that do
+       not cause an Event Notification to be sent).
+
+   It is RECOMMENDED that a Subscribing Client use this attribute when
+   it subscribes to the 'job-progress' Event, and that the value be
+   sufficiently large to limit the frequency with which the Printer
+   sends Event Notifications requests.
+
+   This attribute MUST NOT effect any Events other than 'job-progress'.
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 34]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+5.4  Subscription Description Attributes
+
+   Subscription Description Attributes are those attributes that a
+   Printer adds to a Subscription Object at the time of its creation.
+
+   A Printer MUST support all attributes in this Table 2.
+
+   A client MUST NOT supply the attributes in Table 2 in a Subscription
+   Template Attributes Group of a Subscription Creation Operation. If
+   the client supplies them, the Printer MUST NOT set them and MUST
+   treat them as unsupported attributes. There are no corresponding
+   default or supported attributes.
+
+
+               Table 2 - Subscription Description Attributes
+
+
+
+       Subscription Object attributes:
+
+
+       notify-subscription-id (integer(1:MAX))
+
+       notify-sequence-number (integer(0:MAX))
+
+       notify-lease-expiration-time (integer(0:MAX))
+
+       notify-printer-up-time (integer(1:MAX))
+
+       notify-printer-uri (uri)
+
+       notify-job-id (integer(1:MAX))
+
+       notify-subscriber-user-name (name(MAX))
+
+
+
+5.4.1  notify-subscription-id  (integer (1:MAX))
+
+   This attribute identifies a Subscription Object instance with a
+   number that is unique within the context of the Printer. The Printer
+   generates this value at the time it creates the Subscription Object.
+
+   A Printer MUST support this attribute.
+
+   The Printer SHOULD NOT assign the value of this attribute
+   sequentially as it creates Subscription Objects. Sequential
+   assignment makes it easy for rogue clients to guess the value of this
+   attribute on other Subscription Objects.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 35]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   The Printer SHOULD avoid re-using recent values of this attribute
+   during continuous operation of the Printer as well as across power
+   cycles. Then a Subscribing Client is unlikely to find that a stale
+   reference accesses a new Subscription Object.
+
+   The 0 value is not permitted in order to allow for compatibility with
+   "job-id" and with SNMP index values, which also cannot be 0.
+
+5.4.2  notify-sequence-number (integer (0:MAX))
+
+   The value of this attribute indicates the number of times that the
+   Printer has generated and attempted to send an Event Notification.
+   When an Event Notification contains this attribute, the Notification
+   Recipient can determine whether it missed some Event Notifications
+   (i.e., numbers skipped) or received duplicates (i.e., same number
+   twice).
+
+   A Printer MUST support this attribute.
+
+   When the Printer creates a Subscription Object, it MUST set the value
+   of this attribute to 0. This value indicates that the Printer has not
+   sent any Event Notifications for this Subscription Object.
+
+   Each time the Printer sends a newly generated Event Notification, it
+   MUST increase the value of this attribute by 1. For some Delivery
+   Methods, the Printer MUST include this attribute in each Event
+   Notification, and the value MUST be the value after it is increased
+   by 1. That is, the value of this attribute in the first Event
+   Notification after Subscription object creation MUST be 1, the second
+   MUST be 2, etc.  If a Delivery Method is defined such that the
+   Notification Recipient returns a response, the Printer can re-try
+   sending an Event Notification a certain number of times with the same
+   sequence number when the Notification Recipient fails to return a
+   response.
+
+   If a Subscription Object lasts long enough to reach the value of MAX,
+   its next value MUST be 0, i.e., it wraps.
+
+5.4.3  notify-lease-expiration-time (integer(0:MAX))
+
+   This attribute specifies the time in the future when the lease on the
+   Per-Printer Subscription Object will expire, i.e. the "printer-up-
+   time" value at which the lease will expire. If the value is 0, the
+   lease never expires.
+
+   A Printer MUST support this attribute.
+
+   When the Printer creates a Per-Job Subscription Object, this
+   attribute MUST NOT be present - the Subscription Object lasts exactly
+   as long as the associated Job object.
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 36]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   When the Printer creates a Per-Printer Subscription Object, it
+   populates this attribute with a value that is the sum of the values
+   of the Printer's "printer-up-time" attribute and the Subscription
+   Object's "notify-lease-duration" attribute with the following
+   exception. If the value of the Subscription Object's "notify-lease-
+   duration" attribute is 0 (i.e., no expiration time), then the value
+   of this attribute MUST be set to 0 (i.e., no expiration time).
+
+   When the Printer powers up, it MUST set the value of this attribute
+   in each persistent Subscription Object using the algorithm in the
+   previous paragraph.
+
+   When the "printer-up-time" equals the value of this attribute, the
+   Printer MUST delete the Subscription Object. A client can extend a
+   lease of a Per-Printer Subscription Object with the Renew-
+   Subscription operation (see section 11.2.5).
+
+   Note: In order to compute the number of seconds remaining in a lease
+   for a Per-Printer Subscription Object, a client can subtract the
+   Subscription's "notify-printer-up-time" attribute (see section 5.4.4)
+   from the Subscription's "notify-lease-expiration-time" attribute.
+
+5.4.4  notify-printer-up-time (integer(1:MAX))
+
+   This attribute is an alias for the Printer's "printer-up-time"
+   attribute " (see [RFC2911] section 4.4.29).
+
+   A Printer MUST support this attribute.
+
+   When the Printer creates a Per-Job Subscription Object, this
+   attribute MUST NOT be present. When the Printer creates a Per-Printer
+   Subscription Object, this attribute MUST be present.
+
+   Note: this attribute exists in a Per-Printer Subscription Object so
+   that a client using the Get-Subscription-Attributes or Get-
+   Subscription operations can convert the Per-Printer Subscription's
+   "notify-lease-expiration-time" attribute to wall clock time with one
+   request. If the value of the "notify-lease-expiration-time" attribute
+   is not 0 (i.e., no expiration time), then the difference between the
+   "notify-lease-expiration-time" attribute and the "notify-printer-up-
+   time" is the remaining number of seconds on the lease from the
+   current time.
+
+5.4.5  notify-printer-uri (uri)
+
+   This attribute identifies the Printer object that created this
+   Subscription Object.
+
+   A Printer MUST support this attribute.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 37]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   During a Subscription Creation Operation, the Printer MUST populate
+   this attribute with the value of the "printer-uri" operation
+   attribute in the request.  From the Printer URI, the client can, for
+   example, determine what security scheme was used.
+
+5.4.6  notify-job-id (integer(1:MAX))
+
+   This attribute specifies whether the containing Subscription Object
+   is a Per-Job or Per-Printer Subscription Object, and for Per-Job
+   Subscription Objects, it specifies the associated Job.
+
+   A Printer MUST support this attribute.
+
+   If this attribute is not present, the Subscription Object MUST be a
+   Per-Printer Subscription. If this attribute is present, the
+   Subscription Object MUST be a Per-Job Subscription Object and this
+   attribute MUST identify the Job with which the Subscription Object is
+   associated.
+
+   Note: This attribute could be useful to a Notification Recipient that
+   receives an Event Notification generated from a Per-Job Subscription
+   Object and caused by a Printer Event. The Event Notification gives
+   access to the Printer and the Subscription Object. The Event
+   Notification gives access to the associated Job only via this
+   attribute.
+
+5.4.7  notify-subscriber-user-name (name(MAX))
+
+   This attribute contains the name of the user who performed the
+   Subscription Creation Operation.
+
+   A Printer MUST support this attribute.
+
+   The Printer sets this attribute to the most authenticated printable
+   name that it can obtain from the authentication service over which
+   the Subscription Creation Operation was received. The Printer uses
+   the same mechanism for determining the value of this attribute as it
+   does for a Job's "job-originating-user-name" (see [RFC2911] section
+   4.3.6).
+
+   Note:  To help with authentication, a Subscription Object may have
+   additional private attributes about the user, e.g., a credential of a
+   principal. Such private attributes are implementation-dependent and
+   not defined in this document.
+
+
+6  Printer Description Attributes Related to Notification
+
+   This section defines the Printer Description attributes that are
+   related to Notification. Table 3 lists the Printer Description
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 38]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   attributes, indicates the Printer support required for conformance,
+   and whether or not the attribute is READ-ONLY (see section 3.1):
+
+
+   Table 3 - Printer Description Attributes Associated with Notification
+
+
+
+   Printer object attributes:                   REQUIRED      READ-ONLY
+
+
+   printer-state-change-time (integer(1:MAX))   No            Yes
+
+   printer-state-change-date-time (dateTime)    No            Yes
+
+
+
+6.1  printer-state-change-time (integer(1:MAX))
+
+   This attribute records the most recent time at which the 'printer-
+   state-changed' Printer Event occurred whether or not any Subscription
+   objects were listening for this event.  This attribute helps a client
+   or operator to determine how long the Printer has been in its current
+   state.
+
+   A Printer MAY support this attribute and if so, the attribute MUST be
+   READ-ONLY.
+
+   On power-up, the Printer MUST set the value of this attribute to be
+   the value of its "printer-up-time" attribute, so that it always has a
+   value. Whenever the 'printer-state-changed' Printer Event occurs, the
+   Printer MUST set this attribute to the value of the Printer's
+   "printer-up-time" attribute.
+
+6.2  printer-state-change-date-time (dateTime)
+
+   This attribute records the most recent time at which the 'printer-
+   state-changed' Printer Event occurred whether or not there were any
+   Subscription Objects listening for this event.  This attribute helps
+   a client or operator to determine how long the Printer has been in
+   its current state.
+
+   A Printer MAY support this attribute and if so, the attribute MUST be
+   READ-ONLY.
+
+   On power-up, the Printer MUST set the value of this attribute to be
+   the value of its "printer-current-time" attribute, so that it always
+   has a value (see [RFC2911] section 4.4.30 on "printer-current-time").
+   Whenever the 'printer-state-changed' Printer Event occurs, the
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 39]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Printer MUST set this attribute to the value of the Printer's
+   "printer-current-time" attribute.
+
+
+7  New Values for Existing Printer Description Attributes
+
+   This section contains those attributes for which additional values
+   are added.
+
+7.1  operations-supported (1setOf type2 enum)
+
+   The following "operation-id" values are added in order to support the
+   new operations defined in this document:
+
+
+                    Table 4 - Operation-id assignments
+
+
+
+     Value        Operation Name
+
+
+     0x0016       Create-Printer-Subscriptions
+
+     0x0017       Create-Job-Subscriptions
+
+     0x0018       Get-Subscription-Attributes
+
+     0x0019       Get-Subscriptions
+
+     0x001A       Renew-Subscription
+
+     0x001B       Cancel-Subscription
+
+
+8  Attributes Only in Event Notifications
+
+   This section contains those attributes that exist only in Event
+   Notifications and do not exist in any objects.
+
+8.1  notify-subscribed-event (type2 keyword)
+
+   This attribute indicates the Subscribed Event that caused the Printer
+   to send this Event Notification. This attribute exists only in Event
+   Notifications.
+
+   This attribute MUST contain one of the values of the "notify-events"
+   attribute in the Subscription Object, i.e., one of the Subscribed
+   Event values. Its value is the Subscribed Event that "matches" the
+   Event that caused the Printer to send this Event Notification. This
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 40]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Subscribed Event value may be identical to the Event or the Event may
+   be a sub-value of the Subscribed Event. For example, the 'job-
+   completed' Event (which is a sub-event of the 'job-state-changed'
+   event) would cause the Printer to send an Event Notification for
+   either the 'job-completed' or 'job-state-changed' Subscribed Events
+   and to send the 'job-completed' or 'job-state-changed' value for this
+   attribute, respectively,.  See section 5.3.2.2 for the "matching"
+   rules of Subscribed Events and for additional examples.
+
+   The Delivery Method Document specifies whether the Printer includes
+   the value of this attribute in an Event Notification.
+
+8.2  notify-text (text(MAX))
+
+   This attribute contains a Human Consumable text message (see section
+   0). This message describes the Event and is encoded as plain text,
+   i.e., 'text/plain' with the charset specified by Subscription
+   Object's "notify-charset" attribute.
+
+   The Delivery Method Document specifies whether the Printer includes
+   this attribute in an Event Notification.
+
+
+9  Event Notification Content
+
+   This section defines the Event Notification content that the Printer
+   sends when an Event occurs.
+
+   When an Event occurs, the Printer MUST find each Subscription object
+   whose "notify-events" attribute "matches" the Event. See section
+   5.3.2.2 for details on "matching". For each matched Subscription
+   Object, the Printer MUST create an Event Notification with the
+   content and format that the Delivery Method Document specifies. The
+   content contains the value of attributes specified by the Delivery
+   Method Document. The Printer obtains the values immediately after the
+   Event occurs. For example, if the "printer-state" attribute changes
+   from 'idle' to 'processing', the Event 'printer-state-changed' occurs
+   and the Printer puts various attributes into the Event Notification,
+   including "printer-up-time" and "printer-state" with the values that
+   they have immediately after the Event occurs, i.e., the value of
+   "printer-state" is 'processing'.
+
+   If two different Events occur simultaneously, or nearly so (e.g.,
+   "printer-up-time" has the same value for both), the Printer MUST
+   create a separate Event Notification for each Event, even if the
+   associated Subscription Object is the same for both Events. However,
+   the Printer MAY combine these distinct Event Notifications into a
+   single Compound Event Notification if the Delivery Method supports
+   Compound Event Notifications For example, suppose that two nearly-
+   simultaneously Events represent two successive 'printer-state-
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 41]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   changed' Events, one from 'idle' to 'processing' and another from
+   'processing' to 'stopped'. These two Events have the same name but
+   are different instances of the Event. Then the Printer MUST create a
+   separate Event Notification for each Event and SHOULD accurately
+   report the "printer-state" of the first Event as 'processing' and the
+   second Event as 'stopped'.
+
+   If a Subscription Object contains more than one Subscribed Event, and
+   several Events occur in quick succession each matching a different
+   Subscribed Event in the Subscription Object, the Printer MUST NOT
+   generate a single Event Notification from several of these Events,
+   but MAY combine distinct Event Notifications into a single Compound
+   Event Notification if the Delivery Method supports Compound Event
+   Notifications.
+
+   After the Printer has created the Event Notification, the Printer
+   delivers it via either a:
+
+       Push Delivery Method: The Printer sends the Event Notification
+       shortly after an Event occurs. For some Push Delivery Methods,
+       the Notification Recipient MUST send a response; for others it
+       MUST NOT send a response.
+
+       Pull Delivery Method: The Printer saves Event Notifications for
+       some event-lease time and expects the Notification Recipient to
+       request Event Notifications. The Printer returns the Event
+       Notifications in a response to such a request.
+
+   If an error that meets the following conditions occurs, the Printer
+   MUST cancel the Subscription Object.
+
+   a)the error occurs during the sending of an Event Notification
+     generated from Subscription Object S  AND
+
+   b)the error would continue to occur every time the Printer sends an
+     Event Notification generated from Subscription Object S in the
+     future.
+
+   From example, if the address of the "notify-recipient-uri" of
+   Subscription Object A references a non-existent target and the
+   Printer determines that this fact, it MUST delete Subscription Object
+   A.
+
+   The next two sections describe the values that a Printer sends in the
+   content of Machine Consumable and Human Consumable Event
+   Notifications, respectively.
+
+   The tables in the sub-sections of this section contain the following
+   columns:
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 42]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     a)Source Value: the name of the attribute that supplies the value
+       for the Event Notification. Asterisks in this field refer to a
+       note below the table.
+
+     b)Sends: if the Printer supports the value (column 1) on the
+       Source Object (column 3) the Delivery Method MUST specify:
+
+          MUST: that the Printer MUST send the value.
+
+          SHOULD: either that the Printer MUST send the value or that
+          the value is incompatible with the Delivery Method.
+
+          MAY: that the Printer MUST, SHOULD, MAY, MUST NOT, SHOULD NOT,
+          or NEED NOT send the value. The Delivery Method specifies the
+          level of conformance for the Printer.
+
+     c)Source Object: the object from which the source value comes. If
+       the object is "Event Notification", the Printer fabricates the
+       value when it sends the Event Notification. See section 8.
+
+9.1  Content of Machine Consumable Event Notifications
+
+   This section defines the attributes that a Delivery Method MUST
+   mention in a Delivery Method Document when specifying the Machine
+   Consumable Event Notification's contents.
+
+   This document does not define the order of attributes in Event
+   Notifications.  However, Delivery Method Documents MAY define the
+   order of some or all of the attributes.
+
+   A Delivery Method Document MUST specify additional attributes (if
+   any) that a Printer implementation sends in a Machine Consumable
+   Event Notification.
+
+   Notification Recipients MUST be able to accept Event Notifications
+   containing attributes they do not recognize.  What a Notification
+   Recipient does with an unrecognized attribute is implementation-
+   dependent.  Notification Recipients MAY attempt to display
+   unrecognized attributes anyway or MAY ignore them.
+
+   The next three sections define the attributes in Event Notification
+   Contents that are:
+
+     1.for all Events
+
+     2.for Job Events only
+
+     3.for Printer Events only
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 43]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+9.1.1  Event Notification Content Common to All Events
+
+   This section lists the attributes that a Delivery Method Document
+   MUST specify for all Events.
+
+   Table 5 lists potential values in each Event Notification.
+
+
+            Table 5 - Attributes in Event Notification Content
+
+
+
+   Source Value                               Sends      Source Object
+
+
+   notify-subscription-id (integer(1:MAX))    MUST       Subscription
+
+   notify-printer-uri (uri)                   MUST       Subscription
+
+   notify-subscribed-event (type2 keyword)    MUST       Event
+                                                         Notification
+
+   printer-up-time (integer(MIN:MAX))         MUST       Printer
+
+   printer-current-time (dateTime) *          MUST       Printer
+
+   notify-sequence-number (integer (0:MAX))   SHOULD     Subscription
+
+   notify-charset (charset)                   SHOULD     Subscription
+
+   notify-natural-language (naturalLanguage)  SHOULD     Subscription
+
+   notify-user-data (octetString(63)) **      SHOULD     Subscription
+
+   notify-text (text)                         SHOULD     Event
+                                                         Notification
+
+   attributes from the "notify-attributes"    MAY        Printer
+   attribute ***
+
+   attributes from the "notify-attributes"    MAY        Job
+   attribute ***
+
+   attributes from the "notify-attributes"    MAY        Subscription
+   attribute ***
+
+
+   *A Printer MUST send this value only if and only if it supports the
+   Printer's "printer-current-time" attribute.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 44]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   ** If the Subscription Object does not contain a "notify-user-data"
+   attribute and the Delivery Method document REQUIRES the Printer to
+   send the "notify-user-data" source value in the Event Notification,
+   the Printer MUST send an octet-string of length 0.
+
+   *** The last three rows represent additional attributes that a client
+   MAY request via the  "notify-attributes" attribute. A Printer MAY
+   support the "notify-attributes" attribute. The Delivery Method MUST
+   say that the Printer MUST, SHOULD, MAY, MUST NOT, SHOULD NOT, or NEED
+   NOT support the "notify-attributes" attribute and specific values of
+   this attribute. The Delivery Method MAY say that support for the
+   "notify-attributes" is conditioned on support of the attribute by the
+   Printer or it MAY say that Printer MUST support the "notify-
+   attributes" attribute if the Printer supports the Delivery Method.
+
+9.1.2  Additional Event Notification Content for Job Events
+
+   This section lists the additional attributes that a Delivery Method
+   Document MUST specify for Job Events.  See Table 6.
+
+
+      Table 6 - Additional Event Notification Content for Job Events
+
+
+
+   Source Value                                  Sends   Source Object
+
+
+   job-id (integer(1:MAX))                       MUST    Job
+
+   job-state (type1 enum)                        MUST    Job
+
+   job-state-reasons (1setOf type2 keyword)      MUST    Job
+
+   job-impressions-completed (integer(0:MAX)) *  MUST    Job
+
+
+   *  The Printer MUST send the "job-impressions-completed" attribute in
+   an Event Notification only for the combinations of Events and
+   Subscribed Events shown in Table 7.
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 45]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     Table 7 - Combinations of Events and Subscribed Events for "job-
+                          impressions-completed"
+
+
+
+   Job Event               Subscribed Job Event
+
+
+   'job-progress'          'job-progress'
+
+   'job-completed'         'job-completed'
+
+   'job-completed'         'job-state-changed'
+
+
+
+9.1.3  Additional Event Notification Content for Printer Events
+
+   This section lists the additional attributes that a Delivery Method
+   Document MUST specify for Printer Events. See Table 8.
+
+
+    Table 8 - Additional Event Notification Content for Printer Events
+
+
+
+   Source Value                                   Sends  Source Object
+
+
+   printer-state (type1 enum)                     MUST   Printer
+
+   printer-state-reasons (1setOf type2 keyword)   MUST   Printer
+
+   printer-is-accepting-jobs (boolean)            MUST   Printer
+
+
+9.2  Content of Human Consumable Event Notification
+
+   This section defines the information that a Delivery Method MUST
+   mention in a Delivery Method Document when specifying the Human
+   Consumable Event Notifications contents or the value of the "notify-
+   text" attribute.
+
+   Such a Delivery Method MUST specify the following information and a
+   Printer SHOULD send it:
+
+     a)the Printer name (see Table 9)
+     b)the time of the Event (see Table 11)
+     c)for Printer Events only:
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 46]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       i)   the Event (see Table 10) and/or Printer state information
+       (see Table 14)
+     d)for Job Events only:
+       i) the job identity (see Table 12)
+       ii)  the Event (see Table 10) and/or Job state information (see
+            Table 13)
+
+   The subsections of this section specify the attributes that a Printer
+   MUST use to obtain this information.
+
+   A Delivery Method Document MUST specify additional information (if
+   any) that a Printer implementation sends in a Human Consumable Event
+   Notification or in the "notify-text" attribute.
+
+   A client MUST NOT request additional attributes via the "notify-
+   attributes" attribute because this attribute works only for Machine
+   Consumable Event Notifications.
+
+   Notification Recipients MUST NOT expect to be able to parse the Human
+   Consumable Event Notification contents or the value of the "notify-
+   text" attribute.
+
+   The next three sections define the attributes in Event Notification
+   Contents that are:
+
+       a) for all Events
+       b) for Job Events only
+       c) for Printer Events only
+
+9.2.1  Event Notification Content Common to All Events
+
+   This section lists the source of the information that a Delivery
+   Method MUST specify for all Events.
+
+   There is a separate table for each piece of information. Each row in
+   the table represents a source value for the information and the
+   values are listed in order of preference, with the first one being
+   the preferred one. An implementation SHOULD use the source value from
+   the earliest row in each table. It MAY use the source value from
+   another row instead, or it MAY combine the source values from several
+   rows. An implementation is free to determine the best way to present
+   this information.
+
+   In all tables of this section, all rows contain a "MAY" in order to
+   state that the Delivery Method specifies the conformance.
+
+   Table 9 lists the source of the information for the Printer Name. The
+   "printer-name" is more user-friendly unless the Notification
+   Recipient is in a place where the Printer name is not meaningful. For
+   example, an implementation could have the intelligence to send the
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 47]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   value of the "printer-name" attribute to a Notification Recipient
+   that can access the Printer via value of the "printer-name" attribute
+   and otherwise send the value of the "notify-printer-uri" attribute.
+
+
+           Table 9 - Printer Name in Event Notification Content
+
+
+
+   Source Value                            Sends       Source Object
+
+
+   printer-name (name(127))                MAY         Printer
+
+   notify-printer-uri (uri)                MAY         Subscription
+
+
+
+
+   Table 10 lists the source of the information for the Event name. A
+   Printer MAY combine this information with state information described
+   for Jobs in Table 13 or for Printers in Table 14.
+
+
+            Table 10 - Event Name in Event Notification Content
+
+
+
+   Source Value                               Sends    Source Object
+
+
+   notify-subscribed-event (type2 keyword)    MAY      Subscription
+
+
+
+   Table 11 lists the source of the information for the time that the
+   Event occurred. A Printer can send this value only if it supports the
+   Printer's "printer-current-time" attribute. If a Printer does not
+   support the "printer-current-time" attribute, it MUST NOT send the
+   "printer-up-time" value instead, since it is not an allowed option
+   for human consumable information.
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 48]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+            Table 11 - Event Time in Event Notification Content
+
+
+
+   Source Value                               Sends    Source Object
+
+
+   printer-current-time (dateTime)            MAY      Printer
+
+
+
+9.2.2  Additional Event Notification Content for Job Events
+
+   This section lists the source of the additional information that a
+   Delivery Method MUST specify for Job Events.
+
+   Table 12 lists the source of the information for the job name. The
+   "job-name" is likely more meaningful to a user than "job-id".
+
+
+             Table 12 - Job Name in Event Notification Content
+
+
+
+   Source Value                               Sends    Source Object
+
+
+   job-name (name(MAX))                       MAY      Job
+
+   job-id (integer(1:MAX))                    MAY      Job
+
+
+
+   Table 13 lists the source of the information for the job state. If a
+   Printer supports the "job-state-message" and "job-detailed-state-
+   message" attributes, it SHOULD use those attributes for the job state
+   information, otherwise, it should fabricate such information from the
+   "job-state" and "job-state-reasons". For some Events, a Printer MAY
+   combine this information with Event information.
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 49]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+            Table 13 - Job State in Event Notification Content
+
+
+
+   Source Value                                      Sends    Source
+                                                              Object
+
+
+   job-state-message (text(MAX))                     MAY      Job
+
+   job-detailed-status-messages (1setOf text(MAX))   MAY      Job
+
+   job-state (type1 enum)                            MAY      Job
+
+   job-state-reasons (1setOf type2 keyword)          MAY      Job
+
+
+9.2.3  Additional Event Notification Content for Printer Events
+
+   This section lists the source of the additional information that a
+   Delivery Method MUST specify for Printer Events.
+
+   Table 14 lists the source of the information for the printer state.
+   If a Printer supports the "printer-state-message", it SHOULD use that
+   attribute for the job state information, otherwise it SHOULD
+   fabricate such information from the "printer-state" and "printer-
+   state-reasons". For some Events, a Printer MAY combine this
+   information with Event information.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 50]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+          Table 14 - Printer State in Event Notification Content
+
+
+
+   Source Value                                      Sends    Source
+                                                              Object
+
+
+   printer-state-message (text(MAX))                 MAY      Printer
+
+   printer-state (type1 enum)                        MAY      Printer
+
+   printer-state-reasons (1setOf type2 keyword)      MAY      Printer
+
+   printer-is-accepting-jobs (boolean)               MAY      Printer
+
+
+10 Delivery Methods
+
+   A Delivery Method is the mechanism, i.e., protocol, by which the
+   Printer delivers an Event Notification to a Notification Recipient.
+   There are several potential Delivery Methods for Event Notifications,
+   standardized, as well as proprietary.  This document does not define
+   any of these delivery mechanisms.  Each Delivery Method MUST be
+   defined in a Delivery Method Document that is separate from this
+   document. New Delivery Methods will be created as needed using an
+   extension to the registration procedures defined in [RFC2911].  Such
+   documents are registered with IANA (see section 13).
+
+   The following sorts of Delivery Methods are expected:
+
+     - The Notification Recipient polls for Event Notifications at
+     intervals directed by the Printer
+
+     - The Printer sends Event Notifications to the Notification
+     Recipient using http as the transport.
+
+     - The Printer sends an email message.
+
+   This section specifies how to define a Delivery Method Document and
+   what to put in such a document.
+
+   A Delivery Method Document MUST contain an exact copy of the
+   following paragraph, caption and table. In addition, column 2 of the
+   table in the Delivery Method Document MUST contain answers to
+   questions in column 1 for the Delivery Method. Also, the Delivery
+   Method document MUST contain a reference to this document and call
+   that reference [ipp-ntfy] because the table contains an [ipp-ntfy]
+   reference.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 51]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   If a Printer supports this Delivery Method, the following are its
+   characteristics.
+
+
+             Table 15 - Information about the Delivery Method
+
+
+
+   Document Method Conformance            Delivery Method Realization
+   Requirement
+
+
+   1.What is the URL scheme name for the
+     Delivery Method?
+
+   2.Is the Delivery Method REQUIRED,
+     RECOMMENDED, or OPTIONAL for an IPP
+     Printer to support?
+
+   3.What transport and delivery
+     protocols does the Printer use to
+     deliver the Event Notification
+     Content, i.e., what is the entire
+     network stack?
+
+   4.Can several Event Notifications be
+     combined into a Compound Event
+     Notification?
+
+   5.Is the Delivery Method initiated by
+     the Notification Recipient (pull),
+     or by the Printer (push)?
+
+   6.Is the Event Notification content
+     Machine Consumable or Human
+     Consumable?
+
+   7.What section in this document
+     answers the following question? For
+     a Machine Consumable Event
+     Notification, what is the
+     representation and encoding of
+     values defined in section 9.1 of
+     [ipp-ntfy] and the conformance
+     requirements thereof? For a Human
+     Consumable Event Notification, what
+     is the representation and encoding
+     of pieces of information defined in
+     section 0 of [ipp-ntfy] and the
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 52]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+
+     conformance requirements thereof?
+
+   8.What are the latency and
+     reliability of the transport and
+     delivery protocol?
+
+   9.What are the security aspects of
+     the transport and delivery
+     protocol, e.g., how it is handled
+     in firewalls?
+
+   10.  What are the content length
+     restrictions?
+
+   11.  What are the additional values
+     or pieces of information that a
+     Printer sends in an Event
+     Notification content and the
+     conformance requirements thereof?
+
+   12.  What are the additional
+     Subscription Template and/or
+     Subscription Description attributes
+     and the conformance requirements
+     thereof?
+
+   13.  What are the additional Printer
+     Description attributes and the
+     conformance requirements thereof?
+
+
+
+11 Operations for Notification
+
+   This section defines all of the operations for Notification. Section
+   7.1 assigns the "operation-id" for each operation.  The following two
+   sub-sections define Subscription Creation Operations, and other
+   operations.
+
+11.1 Subscription Creation Operations
+
+   This section defines the Subscription Creation Operations. The first
+   section on Create-Job-Subscriptions gives most of the information.
+   The other Subscription Creation Operations refer to the section on
+   Create-Job-Subscriptions, even though the Create-Job-Subscriptions
+   operation is the only OPTIONAL operation in this document (see
+   section 12).
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 53]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   A Printer MUST support Create-Printer-Subscriptions and the
+   Subscription Template Attributes Group in Job Creation operations. It
+   MAY support Create-Job-Subscriptions operations.
+
+11.1.1 Create-Job-Subscriptions Operation
+
+   The operation creates one or more Per-Job Subscription Objects.  The
+   client supplies one or more Subscription Template Attributes Groups
+   each containing one or more of Subscription Template Attributes
+   (defined in section 5.3).
+
+   Except for errors, the Printer MUST create exactly one Per-Job
+   Subscription Object from each Subscription Template Attributes Group
+   in the request, even if the newly created Subscription Object would
+   have identical behavior to some existing Subscription Object. The
+   Printer MUST associate each newly created Per-Job Subscription Object
+   with the target Job, which is specified by the "notify-job-id"
+   operation attribute.
+
+   The Printer MUST accept the request in any of the target job's 'not-
+   completed' states, i.e., 'pending', 'pending-held', 'processing', or
+   'processing-stopped'. The Printer MUST NOT change the job's "job-
+   state" attribute because of this operation.  If the target job is in
+   any of the 'completed' states, i.e., 'completed', 'canceled', or
+   'aborted, then the Printer MUST reject the request and return the
+   'client-error-not-possible' status code; the response MUST NOT
+   contain any Subscription Attribute Groups.
+
+   Access Rights:  To create Per-Job Subscription Objects, the
+   authenticated user (see [RFC2911] section 8.3) performing this
+   operation MUST either be the job owner or have Operator or
+   Administrator access rights for this Printer (see [RFC2911] sections
+   1 and 8.5).  Otherwise the Printer MUST reject the operation and
+   return: the 'client-error-forbidden', 'client-error-not-
+   authenticated', or 'client-error-not-authorized' status code as
+   appropriate.
+
+11.1.1.1 Create-Job-Subscriptions Request
+
+   The following groups of attributes are part of the Create-Job-
+   Subscriptions Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 54]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      Target:
+         The "printer-uri" attribute which defines the target for this
+         operation as described in [RFC2911] section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" attribute SHOULD be supplied by the
+         client as described in [RFC2911] section 8.3.
+
+      notify-job-id (integer(1:MAX)):
+         The client MUST supply this attribute and it MUST specify the
+         Job object to associate the Per-Job Subscription with. The
+         value of "notify-job-id" MUST be the value of the "job-id" of
+         the associated Job object. If the client does not supply this
+         attribute, the Printer MUST reject this request with a 'client-
+         error-bad-request' status code.
+
+   Group 2-N: Subscription Template Attributes
+
+       For each occurrence of this group:
+
+          The client MUST supply one or more Subscription Template
+          Attributes in any order. See section 5.3 for a description of
+          each such attribute. See section 5.2 for details on processing
+          these attributes.
+
+11.1.1.2 Create-Job-Subscriptions Response
+
+   The Printer MUST return to the client the following sets of
+   attributes as part of a Create-Job-Subscriptions response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in [RFC2911] sections 13 and
+         31.6.
+
+         In this group, the Printer can return any status codes defined
+         in [RFC2911] and section 16. The following is a description of
+         the important status codes:
+
+       successful-ok: the Printer created all Subscription Objects
+          requested.
+       successful-ok-ignored-subscriptions: the Printer created some
+          Subscription Objects requested but some failed. The
+          Subscription Attributes Groups with a "notify-status-code"
+          attribute are the ones that failed.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 55]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       client-error-ignored-all-subscriptions: the Printer created no
+          Subscription Objects requested and all failed. The
+          Subscription Attributes Groups with a "notify-status-code"
+          attribute are the ones that failed
+       client-error-not-possible: For this operation and other Per-Job
+          Subscription operations, this error can occur because the
+          specified Job has already completed.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes. This group does not contain any
+         unsupported Subscription Template Attributes; they are returned
+         in the Subscription Attributes Group (see below).
+
+   Group 3-N: Subscription Attributes
+
+         These groups MUST be returned unless the Printer is unable to
+         interpret the entire request, e.g., the "status-code" parameter
+         returned in Group 1 has the value: 'client-error-bad-request'.
+
+         "notify-status-code" (type2 enum):
+       Indicates the status of this subscription (see section 17 for
+       the status code definitions).  Section 5.2 defines when this
+       attribute MUST be present in this group.
+
+         See section 5.2 for details on the contents of each occurrence
+         of this group.
+
+11.1.2 Create-Printer-Subscriptions operation
+
+   The operation is identical to Create-Job-Subscriptions with
+   exceptions noted in this section.
+
+   The operation creates Per-Printer Subscription Objects instead of
+   Per-Job Subscription Objects, and associates each newly created Per-
+   Printer Subscription Object with the Printer specified by the
+   operation target rather than with a specific Job.
+
+   The Printer MUST accept the request in any of its states, i.e.,
+   'idle', 'processing', or 'stopped'. The Printer MUST NOT change its
+   "printer-state" attribute because of this operation.
+
+   Access Rights:  To create Per-Printer Subscription Objects, the
+   authenticated user (see [RFC2911] section 8.3) performing this
+   operation MUST have Operator or Administrator access rights for this
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 56]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Printer (see [RFC2911] sections 1 and 8.5).  Otherwise, the Printer
+   MUST reject the operation and return: the 'client-error-forbidden',
+   'client-error-not-authenticated', or 'client-error-not-authorized'
+   status code as appropriate.
+
+11.1.2.1 Create-Printer-Subscriptions Request
+
+   The groups are identical to the Create-Job-Subscriptions (see section
+   11.1.1.1) except that the Operation Attributes group MUST NOT contain
+   the  "notify-job-id" attribute.  If the client does supply the
+   "notify-job-id" attribute, then the Printer MUST treat it as any
+   other unsupported Operation attribute and MUST return it in the
+   Unsupported Attributes group.
+
+11.1.2.2 Create-Printer-Subscriptions Response
+
+   The groups are identical to the Create-Job-Subscriptions (see section
+   11.1.1.2).
+
+
+11.1.3 Job Creation Operation - Extensions for Notification
+
+   This document extends the Job Creation operations to create
+   Subscription Objects as a part of the operation.
+
+   The operation is identical to Create-Job-Subscriptions with
+   exceptions noted in this section.
+
+   Unlike the Create-Job-Subscriptions operation, this operation
+   associates the newly created Subscription Objects with the Job object
+   created by this operation. The operation succeeds if and only if the
+   Job creation succeeds. If the Printer does not create some or all of
+   the requested Subscription Objects, the Printer MUST return a
+   'successful-ok-ignored-subscriptions' status-code instead of a
+   'successful-ok' status-code, but the Printer MUST NOT reject the
+   operation because of a failure to create Subscription Objects.
+
+   If the operation includes a Job Template group, the client MUST
+   supply it after the Operation Attributes group and before the first
+   Subscription Template Attributes Group.
+
+   If a Printer does not support this Notification specification, then
+   it MUST treat the Subscription Attributes Group like an unknown group
+   and ignore it (see [RFC2911] section 5.2.2).  Because the Printer
+   ignores the Subscription Attributes Group, it doesn't return them in
+   the response either, thus indicating to the client that the Printer
+   doesn't support Notification.
+
+   Access Rights:  To create Per-Job Subscription Objects, the
+   authenticated user (see [RFC2911] section 8.3) performing this
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 57]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   operation MUST either have permission to create Jobs on the Printer.
+   Otherwise the Printer MUST reject the operation and return: the
+   'client-error-forbidden', 'client-error-not-authenticated', or
+   'client-error-not-authorized' status code as appropriate.
+
+11.1.3.1 Job Creation Request
+
+   The groups for this operation are sufficiently different from the
+   Create-Job-Subscriptions operation that they are all presented here.
+   The following groups of attributes are supplied as part of a Job
+   Creation Request:
+
+   Group 1: Operation Attributes
+
+         Same as defined in [RFC2911] for Print-Job, Print-URI, and
+         Create-Job requests.
+   Group 2: Job Template Attributes
+
+         The client OPTIONALLY supplies a set of Job Template attributes
+         as defined in [RFC2911] section 4.2.
+   Group 3 to N: Subscription Template Attributes
+
+         The same as Group 2-N in Create-Job-Subscriptions. See section
+         11.1.1.1.
+   Group N+1: Document Content  (Print-Job only)
+
+         The client MUST supply the document data to be processed.
+
+11.1.3.2 Job Creation Response
+
+   The Printer MUST return to the client the following sets of
+   attributes as part of a Print-Job, Print-URI, and Create-Job
+   Response:
+
+   Group 1: Operation Attributes
+
+
+      Status Message:
+
+         As defined in [RFC2911] for Print-Job, Print-URI, and Create-
+         Job requests.
+
+         In this group, the Printer can return any status codes defined
+         in [RFC2911] and section 16. The following is a description of
+         the important status codes:
+
+       successful-ok: the Printer created the Job and all Subscription
+          Objects requested.
+       successful-ok-ignored-subscriptions: the Printer created the Job
+          and not all of the Subscription Objects requested. This
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 58]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+          status-code hides 'successful-ok-xxx' status-codes that could
+          reveal problems in Job creation. The Printer MUST not return
+          the 'client-error-ignored-all-subscriptions' status code for
+          Job Creation operations because the Printer returns an error
+          status-code only when it fails to create a Job.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes. This group does not contain any
+         unsupported Subscription Template Attributes; they are returned
+         in the Subscription Attributes Group (see below).
+
+   Group 3: Job Object Attributes
+
+         As defined in [RFC2911] for Print-Job, Print-URI, and Create-
+         Job requests.
+
+   Group 4 to N: Subscription Attributes
+
+         These groups MUST be returned if and only if the client
+         supplied Subscription Template Attributes and the operation was
+         accepted.
+
+         See section 5.2 for details on the contents of each occurrence
+         of this group.
+
+11.2 Other Operations
+
+   This section defines other operations on Subscription objects.
+
+11.2.1 Validate-Job Operation - Extensions for Notification
+
+   A client can test whether one or more Subscription Objects could be
+   created using the Validate-Job operation.  The client supplies one or
+   more Subscription Template Attributes Groups (defined in section
+   5.3), just as in a Job Creation request.
+
+   A Printer MUST support this extension to this operation.
+
+   The Printer MUST accept requests that are identical to the Job
+   Creation request defined in section 11.1.3.1, except that the request
+   MUST not contain document data.
+
+   The Printer MUST return the same groups and attributes as the Print-
+   Job operation (section 11.1.3.1) with the following exceptions.  The
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 59]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Printer MUST NOT return a Job Object Attributes Group because no Job
+   is created. The Printer MUST NOT return the "notify-subscription-id"
+   attribute in any Subscription Attribute Group because no Subscription
+   Object is created.
+
+   If the Printer would succeed in creating a Subscription Object, the
+   corresponding Subscription Attributes Group either has no 'status-
+   code' attribute or a 'status-code' attribute with a value of
+   'successful-ok-too-many-events' or 'successful-ok-ignored-or-
+   substituted-attributes' (see sections 5.2 and 17). The status-codes
+   have the same meaning as in Job Creation except the results state
+   what "would happen".
+
+   The Printer MUST validate Subscription Template Attributes Groups in
+   the same manner as the Job Creation operations.
+
+11.2.2 Get-Printer-Attributes - Extensions for Notification
+
+   This operation is extended so that it returns Printer attributes
+   defined in this document.
+
+   A Printer MUST support this extension to this operation.
+
+   In addition to the requirements of [RFC2911] section 3.2.5, a Printer
+   MUST support the following additional values for the "requested-
+   attributes" Operation attribute in this operation and return such
+   attributes in the Printer Object Attributes group of its response.
+
+     1.Subscription Template Attributes: Each supported attribute in
+       column 2 of Table 1.
+
+     2.New Printer Description Attributes: Each supported attribute in
+       section 6.
+
+     3.New Group Name: The 'subscription-template' group name, which
+       names all supported Subscription Template Attribute in column 2
+       of Table 1. This group name is also used in the Get-
+       Subscription-Attributes and Get-Subscriptions operation with an
+       analogous meaning.
+
+     4.Extended Group Name: The 'all' group name, which names all
+       Printer attributes according to [RFC2911] section 3.2.5.  In
+       this extension 'all' names all attributes specified in [RFC2911]
+       plus those named in items 1 and 2 of this list.
+
+11.2.3 Get-Subscription-Attributes operation
+
+   This operation allows a client to request the values of the
+   attributes of a Subscription Object.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 60]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   A Printer MUST support this operation.
+
+   This operation is almost identical to the Get-Job-Attributes
+   operation (see [RFC2911] section 3.3.4).  The only differences are
+   that the operation is directed at a Subscription Object rather than a
+   Job object, and the returned attribute group contains Subscription
+   Object attributes rather than Job object attributes.
+
+11.2.3.1 Get-Subscription-Attributes Request
+
+   The following groups of attributes are part of the Get-Subscription-
+   Attributes request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section [RFC2911] 3.1.4.1.
+
+      Target:
+         The "printer-uri" attribute which defines the target for this
+         operation as described in [RFC2911] section 3.1.5.
+
+      "notify-subscription-id" (integer (1:MAX)):
+         The client MUST supply this attribute.  The Printer MUST
+         support this attribute. This attribute specifies the
+         Subscription Object from which the client is requesting
+         attributes. If the client omits this attribute, the Printer
+         MUST reject this request with the 'client-error-bad-request'
+         status code.
+
+      Requesting User Name:
+         The "requesting-user-name" attribute SHOULD be supplied by the
+         client as described in [RFC2911] section 8.3.
+
+       "requested-attributes" (1setOf keyword):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         MUST support this attribute. This attribute specifies the
+         attributes of the specified Subscription Object that the
+         Printer MUST return in the response.  Each value of this
+         attribute is either an attribute name (defined in sections 5.3
+         and 5.4) or an attribute group name. The attribute group names
+         are:
+
+       - 'subscription-template': all attributes that are both defined
+          in section 5.3 and present on the specified Subscription
+          Object (column 1 of Table 1).
+       - 'subscription-description': all attributes that are both
+          defined in section 5.4 and present on the specified
+          Subscription Object (Table 2).
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 61]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       - 'all': all attributes that are present on the specified
+          Subscription Object.
+     A Printer MUST support all these group names.
+
+         If the client omits this attribute, the Printer MUST respond as
+         if this attribute had been supplied with a value of 'all'.
+
+11.2.3.2 Get-Subscription-Attributes Response
+
+   The Printer returns the following sets of attributes as part of the
+   Get-Subscription-Attributes Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         Same as [RFC2911].
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.  The
+         "attributes-natural-language" MAY be the natural language of
+         the Subscription Object, rather than the one requested.
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes.
+
+         The response NEED NOT contain the "requested-attributes"
+         operation attribute with any supplied values (attribute
+         keywords) that were requested by the client but are not
+         supported by the Printer. If the Printer does return
+         unsupported attributes referenced in the "requested-attributes"
+         operation attribute and that attribute included group names,
+         such as 'all', the unsupported attributes MUST NOT include
+         attributes described in the standard but not supported by the
+         implementation.
+
+   Group 3: Subscription Attributes
+
+         This group contains a set of attributes with their current
+         values. Each attribute in this group:
+
+          a)MUST be specified by the "requested-attributes" attribute
+            in the request, AND
+
+          b)MUST be present on the specified Subscription Object AND
+
+          c)MUST  NOT be restricted by the security policy in force.
+            For example, a Printer MAY prohibit a client who is not the
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 62]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+            creator of a Subscription Object from seeing some or all of
+            its attributes. See [RFC2911] section 8.
+
+         The Printer can return the attributes of the Subscription
+         Object in any order. The client MUST accept the attributes in
+         any order.
+
+11.2.4 Get-Subscriptions operation
+
+   This operation allows a client to retrieve the values of attributes
+   of all Subscription Objects belonging to a Job or Printer.
+
+   A Printer MUST supported this operation.
+
+   This operation is similar to the Get-Subscription-Attributes
+   operation, except that this Get-Subscriptions operation returns
+   attributes from possibly more than one object.
+
+   This operation is similar to the Get-Jobs operation (see [RFC2911]
+   section 3.2.6), except that the operation returns Subscription
+   Objects rather than Job objects.
+
+11.2.4.1 Get-Subscriptions Request
+
+   The following groups of attributes are part of the Get-Subscriptions
+   request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+      Target:
+         The "printer-uri" attribute which defines the target for this
+         operation as described in [RFC2911] section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" attribute SHOULD be supplied by the
+         client as described in [RFC2911] section 8.3.
+
+      "notify-job-id" (integer(1:MAX)):
+         If the client specifies this attribute, the Printer returns the
+         specified attributes of all Per-Job Subscription Objects
+         associated with the Job whose "job-id" attribute value equals
+         the value of this attribute. If the client does not specify
+         this attribute, the Printer returns the specified attributes of
+         all Per-Printer Subscription Objects. Note: there is no way to
+         get all Per-Job Subscriptions.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 63]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      "limit" (integer(1:MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         MUST support this attribute.  It is an integer value that
+         determines the maximum number of Subscription Objects that a
+         client will receive from the Printer even if the "my-
+         subscriptions" attribute constrains which Subscription Objects
+         are returned.  The limit is a "stateless limit" in that if the
+         value supplied by the client is 'N', then only the first 'N'
+         Subscription Objects are returned in the Get-Subscriptions
+         Response.  There is no mechanism to allow for the next 'M'
+         Subscription Objects after the first 'N' Subscription Objects.
+         If the client does not supply this attribute, the Printer
+         responds with all applicable Subscription Objects.
+
+      "requested-attributes" (1setOf type2 keyword):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         MUST support this attribute. This attribute specifies the
+         attributes of the specified Subscription Objects that the
+         Printer MUST return in the response.  Each value of this
+         attribute is either an attribute name (defined in sections 5.3
+         and 5.4) or an attribute group name (defined in section
+         11.2.3.1). If the client omits this attribute, the Printer MUST
+         respond as if the client had supplied this attribute with the
+         one value: 'notify-subscription-id'.
+
+      "my-subscriptions" (boolean):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         MUST support this attribute.  If the value is 'false', the
+         Printer MUST consider the Subscription Objects from all users
+         as candidates. If the value is 'true', the Printer MUST return
+         the Subscription Objects created by the requesting user of this
+         request.  If the client does not supply this attribute, the
+         Printer MUST respond as if the client had supplied the
+         attribute with a value of 'false'.  The means for
+         authenticating the requesting user and matching the
+         Subscription Objects is similar to that for Jobs which is
+         described in [RFC2911] section 8.
+
+11.2.4.2 Get-Subscriptions Response
+
+   The Printer returns the following sets of attributes as part of the
+   Get-Subscriptions Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         Same as [RFC2911].
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 64]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+         Same as for Get-Subscription-Attributes.
+
+   Groups 3 to N: Subscription Attributes
+
+         The Printer responds with one Subscription Attributes Group for
+         each requested Subscription Object (see the "notify-job-id"
+         attribute in the Operation Attributes Group of this operation).
+
+         The Printer returns Subscription Objects in any order.
+
+         If the "limit" attribute is present in the Operation Attributes
+         group of the request, the number of Subscription Attributes
+         Groups in the response MUST NOT exceed the value of the "limit"
+         attribute.
+
+         It there are no Subscription Objects associated with the
+         specified Job or Printer, the Printer MUST return zero
+         Subscription Attributes Groups and it MUST NOT treat this case
+         as an error, i.e., the status-code MUST be 'successful-ok'
+         unless something else causes the status code to have some other
+         value.
+
+         See the Group 3 response (Subscription Attributes Group) of the
+         Get-Subscription-Attributes operation (section 11.2.3.2) for
+         the attributes that a Printer returns in this group.
+
+11.2.5 Renew-Subscription operation
+
+   This operation allows a client to request the Printer to extend the
+   lease on a Per-Printer Subscription Object.
+
+   The Printer MUST support this operation.
+
+   The Printer MUST accept this request for a Per-Printer Subscription
+   Object in any of the target Printer's states, i.e., 'idle',
+   'processing', or 'stopped', but MUST NOT change the Printer's
+   "printer-state" attribute.
+
+   The Printer MUST reject this request for a Per-Job Subscription
+   Object because it has no lease (see section 5.4.3). The status code
+   returned MUST be 'client-error-not-possible'.
+
+   Access Rights: The authenticated user (see [RFC2911] section 8.3)
+   performing this operation MUST either be the owner of the Per-Printer
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 65]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   Subscription Object or have Operator or Administrator access rights
+   for the Printer (see [RFC2911] sections 1 and 8.5).  Otherwise, the
+   Printer MUST reject the operation and return: the 'client-error-
+   forbidden', 'client-error-not-authenticated', or 'client-error-not-
+   authorized' status code as appropriate.
+
+11.2.5.1 Renew-Subscription Request
+
+   The following groups of attributes are part of the Renew-Subscription
+   Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+      Target:
+         The "printer-uri" attribute which defines the target for this
+         operation as described in [RFC2911] section 3.1.5.
+
+      "notify-subscription-id" (integer (1:MAX)):
+         The client MUST supply this attribute.  The Printer MUST
+         support this attribute. This attribute specifies the Per-
+         Printer Subscription Object whose lease the Printer MUST renew.
+         If the client omits this attribute, the Printer MUST reject
+         this request with the 'client-error-bad-request' status code.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in [RFC2911] section 8.3.
+
+   Group 2: Subscription Template Attributes
+
+
+      "notify-lease-duration" (integer(0:MAX)):
+         The client MAY supply this attribute. It indicates the number
+         of seconds to renew the lease for the specified Subscription
+         Object.  A value of 0 requests an infinite lease (which MAY
+         require Operator access rights). If the client omits this
+         attribute, the Printer MUST use the value of the Printer's
+         "notify-lease-duration-default" attribute. See section 5.3.7
+         for more details.
+
+11.2.5.2 Renew-Subscription Response
+
+   The Printer returns the following sets of attributes as part of the
+   Renew-Subscription Response:
+
+   Group 1: Operation Attributes
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 66]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      Status Message:
+         Same as [RFC2911].
+
+         The following are some of the status codes returned:
+
+     successful-ok: The operation successfully renewed the lease on the
+       Subscription Object for the requested duration..
+     successful-ok-ignored-or-substituted-attributes: The operation
+       successfully renewed the lease on the Subscription Object for
+       some duration other than the amount requested.
+     client-error-not-possible: The operation failed because the
+       "notify-subscription-id" Operation attribute identified a Per-
+       Job Subscription Object.
+     client-error-not-found: The operation failed because the "notify-
+       subscription-id" Operation attribute identified a non-existent
+       Subscription Object.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.  The
+         "attributes-natural-language" MAY be the natural language of
+         the Subscription Object, rather than the one requested.
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes.
+
+   Group 3: Subscription Attributes
+
+   The Printer MUST return the following Subscription Attribute:
+
+      "notify-lease-duration" (integer(0:MAX)):
+         The value of this attribute MUST be the number of seconds that
+         the Printer has granted for the lease of the Subscription
+         Object (see section 5.3.7 for details, such as the value of
+         this attribute when the Printer doesn't support the requested
+         value).
+
+
+
+11.2.6 Cancel-Subscription operation
+
+   This operation allows a client to delete a Subscription Object and
+   stop the Printer from sending more Event Notifications.  Once
+   performed, there is no way to reference the Subscription Object.
+
+   A Printer MUST supported this operation.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 67]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   The Printer MUST accept this request in any of the target Printer's
+   states, i.e., 'idle', 'processing', or 'stopped', but MUST NOT change
+   the Printer's "printer-state" attribute.
+
+   If the specified Subscription Object is a Per-Job Subscription
+   Object, the Printer MUST accept this request in any of the target
+   Job's states, but MUST NOT change the Job's "job-state" attribute or
+   affect the Job.
+
+   Access Rights: The authenticated user (see [RFC2911] section 8.3)
+   performing this operation MUST either be the owner of the
+   Subscription Object or have Operator or Administrator access rights
+   for the Printer (see [RFC2911] sections 1 and 8.5).  Otherwise, the
+   Printer MUST reject the operation and return: the 'client-error-
+   forbidden', 'client-error-not-authenticated', or 'client-error-not-
+   authorized' status code as appropriate.
+
+   Note:  There is no way to change any attributes on a  Subscription
+   Object, except the "notify-lease-duration" attribute (using the
+   Renew-Subscription operation).  In order to change other attributes,
+   a client performs a Subscription Creation Operation and Cancel-
+   Subscription operation on the old Subscription Object. If the client
+   wants to avoid missing Event Notifications, it performs the
+   Subscription Creation Operation first. If this order would create too
+   many Subscription Objects on the Printer, the client reverses the
+   order.
+
+11.2.6.1 Cancel-Subscription Request
+
+   The following groups of attributes are part of the Cancel-
+   Subscription Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+      Target:
+         The "printer-uri" attribute which defines the target for this
+         operation as described in [RFC2911] section 3.1.5.
+
+      "notify-subscription-id" (integer (1:MAX)):
+         The client MUST supply this attribute.  The Printer MUST
+         support this attribute. This attribute specifies the
+         Subscription Object that the Printer MUST cancel. If the client
+         omits this attribute, the Printer MUST reject this request with
+         the 'client-error-bad-request' status code.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 68]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      Requesting User Name:
+         The "requesting-user-name" attribute SHOULD be supplied by the
+         client as described in [RFC2911] section 8.3.
+
+11.2.6.2 Cancel-Subscription Response
+
+   The Printer returns the following sets of attributes as part of the
+   Cancel-Subscription Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         Same as [RFC2911].
+
+         The following are some of the status codes returned:
+
+     successful-ok: The operation successfully canceled (deleted) the
+       Subscription Object..
+     client-error-not-found: The operation failed because the "notify-
+       subscription-id" Operation attribute identified a non-existent
+       Subscription Object.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.  The
+         "attributes-natural-language" MAY be the natural language of
+         the Subscription Object, rather than the one requested.
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes.
+
+
+12 Conformance Requirements
+
+   It is OPTIONAL to implement this Event Notification specification.
+
+   If this Event Notification specification is implemented, Printers
+   MUST:
+
+     1.meet the Conformance Requirements detailed in section 5 of
+       [RFC2911].
+
+     2.support the Subscription Template Attributes Group in requests
+       and the Subscription Attributes Group in responses.
+
+     3.support all of the following attributes:
+
+       a. REQUIRED Subscription Object attributes in section 5.
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 69]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       b. REQUIRED Printer Description object attributes in section 6.
+       c. REQUIRED attributes in Event Notification content in section
+          8.
+
+     4.send Event Notifications that conform to the requirements of the
+       Delivery Method Document for each supported Delivery Method (the
+       conformance requirements for Delivery Method Documents is
+       specified in section 10).
+
+     5.support all operations as described in Table 16:
+
+
+            Table 16 - Conformance Requirements for Operations
+
+
+
+   Operation                                         Conformance
+                                                     requirements
+
+
+   Create-Printer-Subscriptions (section 11.1.2)     REQUIRED
+
+   Create-Job-Subscriptions (section 11.1.1)         OPTIONAL
+
+   Get-Subscription-Attributes (section 11.2.2)      REQUIRED
+
+   Get-Subscriptions (section 11.2.4)                REQUIRED
+
+   Renew-Subscription (section 11.2.5)               REQUIRED
+
+   Cancel-Subscription (section 11.2.6)              REQUIRED
+
+
+
+13 IANA Considerations
+
+   This section contains the exact information for IANA to add to the
+   IPP Registries according to the procedures defined in RFC 2911
+   [RFC2911] section 6.
+
+     Note to RFC Editors:  Replace RFC NNNN below with the RFC number
+     for this document, so that it accurately reflects the content of
+     the information for the IANA Registry.
+
+13.1 Attribute Registrations
+
+   The attributes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.2 with
+   the following path:
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 70]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     ftp.isi.edu/iana/assignments/ipp/attributes/
+
+   The registry entry will contain the following information:
+
+   Subscription Template attributes:                  Ref.      Section:
+   notify-recipient-uri (uri)                         RFC NNNN     5.3.1
+   notify-events (1setOf type2 keyword)               RFC NNNN     5.3.2
+   notify-attributes (1setOf type2 keyword)           RFC NNNN     5.3.3
+   notify-user-data (octetString(63))                 RFC NNNN     5.3.4
+   notify-charset (charset)                           RFC NNNN     5.3.5
+   notify-natural-language (naturalLanguage)          RFC NNNN     5.3.6
+   notify-lease-duration (integer(0:67108863))        RFC NNNN     5.3.7
+   notify-time-interval (integer(0:MAX))              RFC NNNN     5.3.8
+
+   Subscription Description Attributes:
+   notify-subscription-id  (integer (1:MAX)))         RFC NNNN     5.4.1
+   notify-sequence-number (integer (0:MAX)))          RFC NNNN     5.4.2
+   notify-lease-expiration-time (integer(0:MAX)))     RFC NNNN     5.4.3
+   notify-printer-up-time (integer(1:MAX)))           RFC NNNN     5.4.4
+   notify-printer-uri (uri))                          RFC NNNN     5.4.5
+   notify-job-id (integer(1:MAX)))                    RFC NNNN     5.4.6
+   notify-subscriber-user-name (name(MAX)))           RFC NNNN     5.4.7
+
+   Printer Description Attributes:
+   printer-state-change-time (integer(1:MAX)))        RFC NNNN     6.1
+   printer-state-change-date-time (dateTime))         RFC NNNN     6.2
+
+   Attributes Only in Event Notifications
+   notify-subscribed-event (type2 keyword)            RFC NNNN     8.1
+   notify-text (text(MAX))                            RFC NNNN     8.2
+
+13.2 Keyword Attribute Value Registrations
+
+   The keyword attribute values defined in this document will be
+   published by IANA according to the procedures in RFC 2911 [RFC2911]
+   section 6.1 with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-values/
+
+   The registry entry will contain the following information:
+
+   Keyword Attribute Values:                          Ref.      Section:
+   New Values for Existing Printer Description Attributes
+   operations-supported (1setOf type2 enum)           RFC NNNN     7.1
+
+13.3 Operation Registrations
+
+   The operations defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.4 with
+   the following path:
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 71]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+     ftp.isi.edu/iana/assignments/ipp/operations/
+
+   The registry entry will contain the following information:
+
+   Operations:                                       Ref.      Section:
+   Create-Job-Subscriptions Operation                RFC NNNN    11.1.1
+   Create-Printer-Subscriptions operation            RFC NNNN    11.1.2
+   Job Creation Operations - Extensions              RFC NNNN    11.1.3
+   Validate-Job Operation - Extensions               RFC NNNN    11.2.1
+   Get-Printer-Attributes - Extensions               RFC NNNN    11.2.2
+   Get-Subscription-Attributes operation             RFC NNNN    11.2.3
+   Get-Subscriptions operation                       RFC NNNN    11.2.4
+   Renew-Subscription operation                      RFC NNNN    11.2.5
+   Cancel-Subscription operation                     RFC NNNN    11.2.6
+
+13.4 Status code Registrations
+
+   The status codes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.6 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/status-codes/
+
+   The registry entry will contain the following information:
+
+   Status codes:                                     Ref.      Section:
+   successful-ok-ignored-subscriptions (0x0003)      RFC NNNN      16.1
+   client-error-ignored-all-subscriptions (0x0414)   RFC NNNN      16.2
+
+   Status Codes in Subscription Attributes Groups:
+   client-error-uri-scheme-not-supported (0x040C)    RFC NNNN      17.1
+   client-error-too-many-subscriptions (0x0415)      RFC NNNN      17.2
+   successful-ok-too-many-events (0x0005)            RFC NNNN      17.3
+   successful-ok-ignored-or-substituted-attributes (0x0001)
+                                                     RFC NNNN      17.4
+
+13.5 Attribute Group tag Registrations
+
+   The attribute group tags defined in this document will be published
+   by IANA according to the procedures in RFC 2911 [RFC2911] section 6.5
+   with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-group-tags/
+
+   The registry entry will contain the following information:
+
+   Attribute Group Tags:                             Ref.      Section:
+   subscription-attributes-tag                       RFC NNNN       18
+   event-notification-attributes-tag                 RFC NNNN       18
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 72]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+13.6 Format for Event Notification Delivery Method Registration
+    proposals
+
+   This section describes the procedures for registering Event
+   Notification Delivery Method proposals with IANA to be used with this
+   document.  Such Delivery Method proposals that require a new URL
+   scheme MUST be IETF standards track documents according to RFC 2717
+   [RFC2717].
+
+13.7 Format and Requirements for IPP Delivery Method Registration
+    Proposals
+
+   This section defines the format and requirements for an IPP Event
+   Notification Delivery Method Registration Proposal.  A Delivery
+   Method Registration Proposal:
+
+   1.MUST contain the following information:
+
+     Type of registration:  IPP Event Notification Delivery Method
+     Name of this delivery method:
+     Proposed URL scheme name of this delivery method:
+     Name of proposer:
+     Address of proposer:
+     Email address of proposer:
+     Is this delivery method REQUIRED or OPTIONAL for conformance to
+     the IPP Event Notification Specification document:
+     Is this delivery method defining Machine Consumable and/or Human
+     Consumable content:
+
+   2.MUST meet the conformance requirements for Delivery Method
+     Documents specified in section 10.
+
+
+14 Internationalization Considerations
+
+   This IPP Notification specification continues support for the
+   internationalization of [RFC2911] of attributes containing text
+   strings and names.  Allowing a Subscribing Client to specify a
+   different natural language and charset for each Subscription Object
+   increases the internationalization support.
+
+   The Printer MUST be able to localize the content of Human Consumable
+   Event Notifications and to localize the value of "notify-text"
+   attribute in Machine Consumable Event Notifications that it sends to
+   Notification Recipients. For localization, the Printer MUST use the
+   value of the "notify-charset" attribute and the "notify-natural-
+   language" attribute in the Subscription Object supplied by the
+   Subscribing Client.
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 73]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+15 Security Considerations
+
+   By far the biggest security concern is the abuse of notification:
+   sending unwanted Event Notifications to third parties (i.e., spam).
+   The problem is made worse by notification addresses that may be
+   redistributed to multiple parties (e.g., mailing lists).  There exist
+   scenarios where third party notification is required (see Scenario #2
+   and #3 in [ipp-not-req]).  The fully secure solution would require
+   active agreement of all recipients before sending out anything.
+   However, requirement #9 in [ipp-req] ("There is no requirement for
+   IPP Printer receiving the print request to validate the identity of
+   an Event recipient") argues against this.  Certain systems may decide
+   to disallow third party Event Notifications (a traditional fax
+   model).
+
+   Clients submitting Notification requests to the IPP Printer has the
+   same security issues as submitting an IPP/1.1 print job request.  The
+   same mechanisms used by IPP/1.1 can therefore be used by the client
+   Notification submission.  Operations that require authentication can
+   use the HTTP authentication.  Operations that require privacy can use
+   the HTTP/TLS privacy.
+
+   The Notification access control model should be similar to the IPP
+   access control model for Jobs.  Creating a Per-Printer Subscription
+   Object is associated with a user.  Only the creator or an Operator
+   can cancel the Subscription Object.  The system may limit the listing
+   of items to only those items owned by the user.  Some Subscription
+   Objects (e.g., those that have a lifetime longer than a job) can be
+   done only by privileged users (users having Operator and/or
+   Administrator access rights), if that is the authorization policy.
+
+   The standard security concerns (delivery to the right user, privacy
+   of content, tamper proof content) apply to the Delivery Method.  IPP
+   should use the security mechanism of the Delivery Method used.  Some
+   delivery mechanisms are more secure than others.  Therefore,
+   sensitive Event Notifications should use the Delivery Method that has
+   the strongest security.
+
+
+16 Status Codes
+
+   The following status codes are defined as extensions for Notification
+   and are returned as the value of the "status-code" parameter in the
+   Operation Attributes Group of a response (see [RFC2911] section
+   3.1.6.1). Operations in this document can also return the status
+   codes defined in section 13 of [RFC2911]. The 'successful-ok' status
+   code is an example of such a status code.
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 74]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+16.1 successful-ok-ignored-subscriptions (0x0003)
+
+   The Subscription Creation Operation was unable to create all
+   requested Subscription Objects.
+
+   For a Create-Job-Subscriptions or Create-Printer-Subscriptions
+   operation, this status code means that the Printer created one or
+   more Subscription Objects, but not all requested Subscription
+   Objects.
+
+   For a Job Creation operation, this status code means that the Printer
+   created the Job along with zero or more Subscription Objects. The
+   Printer returns this status code even if other job attributes are
+   unsupported or in conflict.  That is, if an IPP Printer finds a
+   warning that would allow it to return  'successful-ok-ignored-
+   subscriptions' and either 'successful-ok-ignored-or-substituted-
+   attributes' and/or 'successful-ok-conflicting-attributes', it MUST
+   return 'successful-ok-ignored-subscriptions'.
+
+16.2 client-error-ignored-all-subscriptions (0x0414)
+
+   This status code is the same as 'successful-ok-ignored-subscriptions'
+   except that only the Create-Job-Subscriptions and Create-Printer-
+   Subscriptions operation return it. They return this status code only
+   when the Printer creates zero Subscription Objects.
+
+
+17 Status Codes in Subscription Attributes Groups
+
+   This section contains values of the "notify-status-code" (type2 enum)
+   attribute that the Printer returns in a Subscription Attributes Group
+   in a response when the corresponding Subscription Object:
+
+     1.is not created or
+
+     2.is created and some of the client-supplied attributes are not
+       supported.
+
+   The following sections are ordered in decreasing order of importance
+   of the status-codes.
+
+17.1 client-error-uri-scheme-not-supported (0x040C)
+
+   This status code is defined in [RFC2911]. This document extends its
+   meaning and allows it to be in a Subscription Attributes Group of a
+   response.
+
+   The scheme of the client-supplied URI in a "notify-recipient-uri"
+   Subscription Template Attribute in a Subscription Creation Operation
+   is not supported.  See section 0.
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 75]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+17.2 client-error-too-many-subscriptions (0x0415)
+
+   The number of Subscription Objects supported by the Printer would be
+   exceeded if this Subscription Object were created (see section 5.2).
+
+17.3 successful-ok-too-many-events (0x0005)
+
+   The client supplied more Events in the "notify-events" operation
+   attribute of a Subscription Creation Operation than the Printer
+   supports, as indicated in its "notify-max-events-supported" Printer
+   attribute (see section 5.3.2).
+
+17.4 successful-ok-ignored-or-substituted-attributes (0x0001)
+
+   This status code is defined in [RFC2911]. This document extends its
+   meaning to include unsupported Subscription Template Attributes and
+   it can appear in a Subscription Attributes Group.
+
+
+18 Encodings of Additional Attribute Tags
+
+   This section assigns values to two attributes tags as extensions to
+   the encoding defined in [RFC2910]).
+
+   The "subscription-attributes-tag" delimits Subscription Template
+   Attributes Groups in requests and Subscription Attributes Groups in
+   responses.
+
+   The "event-notification-attributes-tag" delimits Event Notifications
+   in Delivery Methods that use an IPP-like encoding.
+
+   The following table specifies the values for the delimiter tags:
+
+
+
+       Tag Value (Hex)   Meaning
+
+
+       0x06              "subscription-attributes-tag"
+
+       0x07              "event-notification-attributes-tag"
+
+
+19 References
+
+   [IANA-CON]
+     Narte, T. and Alvestrand, H.T.:  Guidelines for Writing an IANA
+     Considerations Section in RFCs, Work in Progress, draft-iesg-iana-
+     considerations-04.txt, May 21, 1998.
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 76]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   [ipp-not-req]
+     deBry, R., Lewis, H., Hastings, T., "Internet Printing
+     Protocol/1.1: Requirements for IPP Notifications", <draft-ietf-ipp-
+     not-05.txt>, work in progress, January 23, 2001.
+
+   [ipp-prog]
+     Hastings, T., Bergman, R., Lewis, H., "IPP: Job Progress
+          Attributes", <draft-ietf-ipp-job-prog-03.txt> work in
+          progress,  January 23, 2001.
+
+   [ipp-set]
+     Kugler, C., Hastings, T., Herriot, R., Lewis, H, "Internet Printing
+     Protocol (IPP): Job and Printer Set Operations", <draft-ietf-ipp-
+     job-printer-set-ops-03.txt>, work in progress, January 22, 2001.
+
+   [RFC2026]
+     S. Bradner, "The Internet Standards Process -- Revision 3", RFC
+     2026, October 1996.
+
+   [RFC2119]
+     S. Bradner, "Key words for use in RFCs to Indicate Requirement
+     Levels", RFC 2119 , March 1997
+
+   [RFC2566]
+     deBry, R., , Hastings, T., Herriot, R., Isaacson, S., Powell, P.,
+     "Internet Printing Protocol/1.0: Model and Semantics", RFC 2566,
+     April 1999.
+
+   [RFC2567]
+     Wright, D., "Design Goals for an Internet Printing Protocol", RFC
+     2567, April 1999.
+
+   [RFC2568]
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", RFC 2568, April 1999.
+
+   [RFC2569]
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", RFC 2569, April 1999.
+
+   [RFC2717]
+     R. Petke and I. King, "Registration Procedures for URL Scheme
+     Names", RFC 2717, November 1999.
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Turner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", RFC 2910, September 2000.
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 77]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   [RFC2911]
+     deBry, R., , Hastings, T., Herriot, R., Isaacson, S., Powell, P.,
+     "Internet Printing Protocol/1.1: Model and Semantics", RFC 2911,
+     September 2000.
+
+
+20 Author's Addresses
+
+   Robert Herriot
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   Email: robert.herriot@pahv.xerox.com
+
+   Tom Hastings
+   Xerox Corporation
+   737 Hawaii St.  ESAE 231
+   El Segundo, CA  90245
+
+   Phone: 310-333-6413
+   Fax: 310-333-5514
+   e-mail: hastings@cp10.es.xerox.com
+
+
+   Scott A. Isaacson
+   Novell, Inc.
+   122 E 1700 S
+   Provo, UT  84606
+
+   Phone: 801-861-7366
+   Fax: 801-861-2517
+   e-mail: sisaacson@novell.com
+
+
+   Roger deBry
+   Utah Valley State College
+   Orem, UT 84058
+
+   Phone: (801) 222-8000
+   EMail: debryro@uvsc.edu
+
+   Jay Martin
+   Underscore Inc.
+   9 Jacqueline St.
+   Hudson, NH 03051-5308
+   603-889-7000
+   fax: 775-414-0245
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 78]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   e-mail: jkm@underscore.com
+
+
+   Michael Shepherd
+   Xerox Corporation
+   800 Phillips Road  MS 128-51E
+   Webster, NY  14450
+
+   Phone: 716-422-2338
+   Fax: 716-265-8871
+   e-mail: mshepherd@crt.xerox.com
+
+
+   Ron Bergman
+   Hitachi Koki Imaging Solutions
+   1757 Tapo Canyon Road
+   Simi Valley, CA 93063-3394
+
+   Phone: 805-578-4421
+   Fax:  805-578-4001
+   Email: rbergma@hitachi-hkis.com
+
+A.   Appendix - Model for Notification with Cascading Printers
+
+   With this model (see Figure 2), there is an intervening Print server
+   between the human user and the output-device. So the system
+   effectively has two Printers.  There are two cases to consider.
+
+   1.When the Printer 1 (in the server) generates Events, the system
+     behaves like the client and Printer in Figure 1. In this case,
+     Printer 1 sends Event Notifications that are shown as Event
+     Notifications (A) of  Figure 2,.
+
+   2.When the Printer 2 (in the output-device) generates Events, there
+     are two possible system configurations:
+
+     a)Printer 1 forwards the client-supplied Subscription Creation
+       Operations to the downstream Printer 2 and lets Printer 2 send
+       the Event Notifications directly to the Notification Recipients
+       supplied by the Client (Event Notifications(C) in the diagram).
+
+     b)Printer 1 performs the client-supplied Subscription Creation
+       Operations and also forwards the Subscription Creation
+       Operations to Printer 2 with the Notification Recipient changed
+       to be the Printer 1. When an Event occurs in Printer 2, Printer
+       2 sends the Event Notification (B) to Notification Recipient of
+       Printer 1, which relays the received Event Notification (B) to
+       the client-supplied Notification Recipient (as Event
+       Notifications(A) in the diagram). Note, when a client performs a
+       Subscription Creation Operation, Printer 1 need not forward the
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 79]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       Subscription Creation Operation to Printer 2 if it would create
+       a duplicate Subscription Object on Printer 2.
+
+   Note: when Printer 1 is forwarding Subscription Creation Operations
+   to Printer 2, it may request Printer 2 to create additional
+   Subscription Objects (called "piggy-backing").  Piggy-backing is
+   useful when:
+
+     .  Device A is configured to accept (IPP or non-IPP) requests from
+        other servers.
+
+     .  Server S wants to receive Job Events that the client didn't
+        request and Server S wants these Events for jobs it submits and
+        not for other jobs.
+
+                              server S                       device A
+                           +------------+                 +------------+
+                           |            |                 |            |
+   +--------+ Subscription | ###########|                 | ###########|
+   | client |--Creation ----># Printer #|  Subscription   | # Printer #|
+   +--------+  Operation   | # Object 1#|---Creation------|># Object 2#|
+                           | ###|#######|   Operation     | ####|#|####|
+                           +----|---^---+                 +-----|-|----+
+   +--------+     Event         |   |                           | |
+   |Notific-|<-Notifications(A)-+   +-- Event Notifications(B)--+ |
+   |ation Re|<-------------Event Notifications(C)-----------------+
+   |cipient |
+   +--------+
+
+         Figure 2 - Model for Notification with Cascading Printers
+
+
+B.   Appendix - Distributed Model for Notification
+
+   A Printer implementation could use some other remote notification
+   service to provide some or most of the service. For example, the
+   remote notification service could send Event Notifications using
+   Delivery Methods that are not directly supported by the output device
+   or server. Or, the remote notification service could store
+   Subscription Objects (passed to it from the output device in response
+   to Subscription Creation requests), accept Events, format the Event
+   Notification in the natural language of the Notification Recipient,
+   and send the Event Notifications to the Notification Recipient(s).
+
+   Figure 3 shows this partitioning. The interface between the output
+   device (or server) and the remote notification service is outside the
+   scope of this document and is intended to be transparent to the
+   client and this document.  The combination of the output device (or
+   server) and the notification service together constitute an IPP
+   Printer conforming to this Notification document.
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 80]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+
+
+                                         ***********************
+                                         *
+                                            * Printer (including
+                                         * the distributed
+                                         * Notification Service)
+                                         *
+                                            * output device or server
+                                            * +---------------+
+      PDA, desktop, or server               * +  ###########  +
+           +--------+                       * |  # partial #  |
+           | client |---IPP Subscription--------># Printer #  |
+           +--------+   Creation operation  * |  # Object  #  |
+                                            * |  #####|#####  |
+                                            * +-------|-------+
+                                            *         | Subscriptions
+                                            *         | OR Event
+        +------------+                      *         | Notifications
+        |Notification|   IPP-defined        *  +------v--------+
+        |Recipient   |<--Event Notifications---| Notification  |
+        +------------+                      *  | Service       |
+                                            *  +---------------+
+                                            *
+                                            *************************
+     *** = Implementation configuration opaque boundary
+
+
+    Figure 3 - Opaque Use of a Notification Service Transparent to the
+                                  Client
+
+
+C.   Appendix - Extended Notification Recipient
+
+   The model allows for an extended Notification Recipient that is
+   itself a notification service that forwards each Event Notification
+   to another recipient (called the Ultimate Notification Recipient in
+   this section). The Delivery Method to the Ultimate Recipient is
+   probably different from the Delivery Method used by the Printer to
+   the extended Notification Recipient.
+
+   This extended Notification Recipient is transparent to the Printer
+   but not to the client.
+
+   When a client performs a Subscription Creation Operation, it
+   specifies the extended Notification Recipient as it would any
+   Notification Recipient. In addition, the client specifies the
+   Ultimate Notification Recipient in the Subscription Creation
+   Operation in a manner specified by the extended Notification
+   Recipient. Typically, it is either some bytes in the value of
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 81]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   "notify-user-data" or some additional parameter in the value of
+   "notify-recipient-uri". The client also subscribes directly with the
+   extended Notification Recipient (by means outside this document),
+   since it is a notification service in its own right.
+
+   The IPP Printer treats the extended Notification Recipient like any
+   other Notification Recipient and the IPP Printer is not aware of the
+   forwarding. The Delivery Method that the extended Notification
+   Recipient uses for delivering the Event Notification to the Ultimate
+   Notification Recipient is beyond the scope of this document and is
+   transparent to the IPP Printer.
+
+   Examples of this extended Notification Recipient are paging,
+   immediate messaging services, general notification services, and NOS
+   vendors' infrastructure.  Figure 4 shows this approach.
+
+
+      PDA, desktop, or server                    server or output device
+                                                      +---------------+
+          +--------+                                  |  ###########  |
+          | client |---Subscription Creation -----------># Printer #  |
+          +--------+       Operation                  |  # Object  #  |
+                                                      |  #####|#####  |
+   +------------+     +------------+   IPP-defined    +-------|-------+
+   |Ultimate    | any |Notification|<--Event Notifications----+
+   |Notification|<----|Recipient   |
+   |Recipient   |     +------------+
+   +------------+     (Notification Service)
+
+    Figure 4 - Use of an Extended Notification Recipient transparent to
+                                the Printer
+
+
+D.   Appendix - Details about Conformance Terminology
+
+   The following paragraph provide more details about conformance
+      terminology.
+
+   REQUIRED - an adjective used to indicate that a conforming IPP
+      Printer implementation MUST support the indicated operation,
+      object, attribute, attribute value, status code, or out-of-band
+      value in requests and responses.  See [RFC2911] "Appendix A -
+      Terminology for a definition of "support".  Since support of this
+      entire Notification specification is OPTIONAL for conformance to
+      IPP/1.0 or IPP/1.1, the use of the term REQUIRED in this document
+      means "REQUIRED if this OPTIONAL Notification specification is
+      implemented".
+
+   RECOMMENDED - an adjective used to indicate that a conforming IPP
+      Printer implementation is recommended to support the indicated
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 82]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+      operation, object, attribute, attribute value, status code, or
+      out-of-band value in requests and responses.  Since support of
+      this entire Notification specification is OPTIONAL for conformance
+      to IPP/1.0 or IPP/1.1, the use of the term RECOMMENDED in this
+      document means "RECOMMENDED if this OPTIONAL Notification
+      specification is implemented".
+
+   OPTIONAL - an adjective used to indicate that a conforming IPP
+      Printer implementation MAY, but is NOT REQUIRED to, support the
+      indicated operation, object, attribute, attribute value, status
+      code, or out-of-band value in requests and responses.
+
+
+E.   Appendix - Object Model for Notification
+
+   This section describes the Notification object model that adds a
+   Subscription Object which together with the Job and Printer object
+   provide the complete Notification semantics.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 83]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+   The object relationships can be seen pictorially as:
+
+
+     Subscription Objects (Per-Printer Subscriptions)     Printer object
+     +----+                                               +------------+
+     | s1 |<--------------------------------------------->|            |
+     +----++                                              |            |
+      | s2 |<-------------------------------------------->|     p1     |
+      +----++                                             |            |
+       | s3 |<------------------------------------------->|            |
+       +----+                                             +------------+
+                      Job objects
+                      +---------+
+                      |         |
+       +----+         |   j1    |
+       | s4 |<------->|         |
+       +----+         |         |
+                      |         |    s4 is a Per-Job Subscription Object
+                      ++--------++
+                       |         |
+         +----+        |   j2    |
+         | s5 |<------>|         |
+         +----++       |         |
+          | s6 |<----->|         |    s5 and s6 are Per-Job Subscription
+          +----+       ++--------++                  Objects
+                        |         |
+                        |   j3    |
+                        |         |
+                        |         |         <----> indicates association
+                        +---------+
+
+                 Figure 5 - Object Model for Notification
+
+     s1, s2, and s3 are Per-Printer Subscription Objects and can
+     identify Printer and/or Job Events.
+     s4, s5, and s6 are Per-Job Subscription Objects and can identify
+     Printer and/or Job Events.
+
+E.1  Appendix - Object relationships
+
+   This sub-section defines the object relationships between the
+   Printer, Job, and Subscription Objects by example.  Whether Per-
+   Printer Subscription Objects are actually contained in a Printer
+   object or are just bi-directionally associated with them in some way
+   is IMPLEMENTATION DEPENDENT and is transparent to the client.
+   Similarly, whether Per-Job Subscription Objects are actually
+   contained in a Job object or are just bi-directionally associated
+   with them in some way is IMPLEMENTATION DEPENDENT and is transparent
+   to the client.  The object relationships are defined as follows:
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 84]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+E.2  Printer Object and Per-Printer Subscription Objects
+
+     1.The Printer object contains (is associated with) zero or more
+       Per-Printer Subscription Objects (p1 contains s1-s3 Per-Printer
+       Subscription Objects).
+
+     2.Each Per-Printer Subscription Object (s1, s2, and s3) is
+       contained in (or is associated with) exactly one Printer object
+       (p1).
+
+
+E.3  Job Object and Per-Job Subscription Objects
+
+     1.A Job object (j1, j2, j3) is associated with zero or more Per-
+       Job Subscription Objects (s4-s6).  Job j1 is associated with
+       Per-Job Subscription Object s4, Job j2 is associated with Per-
+       Job Subscription Objects s5 and s6, and Job j3 is not associated
+       with any Per-Job Subscription Object.
+
+     2.Each Per-Job Subscription Object is associated with exactly one
+       Job object.
+
+
+F.   Appendix - Per-Job versus Per-Printer Subscription Objects
+
+   Per-Job and Per-Printer Subscription Objects are quite similar.
+   Either type of Subscription Object can subscribe to Job Events,
+   Printer Events, or both.  Both types of Subscription Objects can be
+   queried using the Get-Subscriptions and Get-Subscription-Attributes
+   operations and canceled using the Cancel-Subscription operation.
+   Both types of Subscription Objects create Subscription Objects which
+   have the same Subscription Object attributes defined.  However, there
+   are some semantic differences between Per-Job Subscription Objects
+   and Per-Printer Subscription Objects.  A Per-Job Subscription Object
+   is established by the client when submitting a job and after creating
+   the job using the Create-Job-Subscriptions operation by specifying
+   the "job-id" of the Job with the "notify-job-id" attribute.  A Per-
+   Printer Subscription Object is established between a client and a
+   Printer using the Create-Printer-Subscriptions operation.  Some
+   specific differences are:
+
+     1.A client usually creates one or more Per-Job Subscription
+       Objects as part of the Job Creation operations (Create-Job,
+       Print-Job, and Print-URI), rather than using the OPTIONAL
+       Create-Job-Subscriptions operation, especially since Printer
+       implementations NEED NOT support the Create-Job-Subscriptions
+       operation, since it is OPTIONAL.
+
+     2.For Per-Job Subscription Objects, the Subscription Object is
+       only valid while the job is "not-complete" (see sections 5.4.3)
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 85]
+
+
+INTERNET-DRAFT         IPP: Event Notification          January 24, 2001
+
+
+       while for the Per-Printer Subscription Objects, the Subscription
+       Object is valid until the time (in seconds) that the Printer
+       returned in the "notify-lease-expiration-time" operation
+       attribute.
+
+     3.Job Events in a Per-Job Subscription Object apply only to "one
+       job" (the Job created by the Job Creation  operation or
+       references by the Create-Job-Subscriptions operation) while Job
+       Events in a Per-Printer Subscription Object apply to ALL jobs
+       contained in the IPP Printer.
+
+
+G.   Appendix: Full Copyright Statement
+
+   Copyright (C) The Internet Society (1998,1999,2000,2001). All Rights
+   Reserved
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires July 24, 2001                 [page 86]
diff --git a/standards/draft-ietf-ipp-notify-get-02.txt b/standards/draft-ietf-ipp-notify-get-02.txt
new file mode 100644
index 000000000..143da3217
--- /dev/null
+++ b/standards/draft-ietf-ipp-notify-get-02.txt
@@ -0,0 +1,1711 @@
+
+
+
+
+
+
+INTERNET-DRAFT                                   Robert Herriot (editor)
+<draft-ietf-ipp-notify-get-02.txt>                           Xerox Corp.
+[Target category:  standards track]                          Carl Kugler
+                                                              IBM, Corp.
+                                                             Harry Lewis
+                                                              IBM, Corp.
+                                                       February 28, 2001
+                     Internet Printing Protocol (IPP):
+            The 'ippget' Delivery Method for Event Notifications
+
+      Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+Status of this Memo:
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of [rfc2026].  Internet-Drafts are
+   working documents of the Internet Engineering Task Force (IETF), its
+   areas, and its working groups.  Note that other groups may also
+   distribute working documents as Internet-Drafts.
+
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress".
+
+   The list of current Internet-Drafts can be accessed at
+   http://www.ietf.org/ietf/1id-abstracts.txt
+
+   The list of Internet-Draft Shadow Directories can be accessed as
+   http://www.ietf.org/shadow.html.
+
+Abstract
+
+   The notification extension document [ipp-ntfy] defines operations
+   that a client can perform in order to create Subscription Objects in
+   a Printer and carry out other operations on them. A Subscription
+   Object represents a Subscription abstraction. The Subscription Object
+   specifies that when one of the specified Events occurs, the Printer
+   sends an asynchronous Event Notification to the specified
+   Notification Recipient via the specified Delivery Method (i.e.,
+   protocol).
+
+   The notification extension document [ipp-ntfy] specifies that each
+   Delivery Method is defined in another document. This document is one
+   such document, and it specifies the 'ippget' delivery method.
+
+   The 'ippget' Delivery Method is a 'pull and push' Delivery Method.
+   That is, the Printer saves Event Notification for a period of time
+   and expects the Notification Recipient to fetch the Event
+   Notifications (the pull part). The Printer continues to send Event
+
+Herriot, et al.         Expires: August 28, 2001                [page 1]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   Notifications to the Notification Recipient as Events occur (the push
+   part) if the client has selected the option to wait for additional
+   Event Notifications.
+
+   When a Printer supports this Delivery Method, it holds each Event
+   Notification for an amount of time, called the Event Notification
+   Lease Time.
+
+   When a Notification Recipient wants to receive Event Notifications,
+   it performs an IPP operation called 'Get-Notifications', which this
+   document defines. This operation causes the Printer to return all
+   Event Notifications held for the Notification Recipient. If the
+   Notification Recipient has selected the option to wait for additional
+   Event Notifications, the Printer continues sending Event
+   Notifications to the Notification Recipient as additional Events
+   occur.
+
+
+
+   The basic set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+       Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+     Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+     Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+     Mapping between LPD and IPP Protocols [RFC2569]
+     Internet Printing Protocol/1.0 & 1.1: IPP Event Notification
+       Specification [ipp-ntfy]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Model and Semantics" document
+   describes a simplified model with abstract objects, their attributes,
+   and their operations that are independent of encoding and transport.
+   It introduces a Printer and a Job object.  The Job object optionally
+
+Herriot, et al.         Expires: August 28, 2001                [page 2]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   supports multiple documents per Job.  It also addresses security,
+   internationalization, and directory issues.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting over HTTP a message body whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ippget'
+   for identifying IPP printers and jobs.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+   The "Event Notification Specification" document describes an
+   extension to the IPP/1.0, IPP/1.1, and future versions. This
+   extension allows a client to subscribe to printing related Events.
+   Subscriptions are modeled as Subscription Objects.  The Subscription
+   Object specifies that when one of the specified Event occurs, the
+   Printer sends an asynchronous Event Notification to the specified
+   Notification Recipient via the specified Delivery Method (i.e.,
+   protocol).  A client associates Subscription Objects with a
+   particular Job by performing the Create-Job-Subscriptions operation
+   or by submitting a Job with subscription information.  A client
+   associates Subscription Objects with the Printer by performing a
+   Create-Printer-Subscriptions operation.  Four other operations are
+   defined for Subscription Objects: Get-Subscriptions-Attributes, Get-
+   Subscriptions, Renew-Subscription, and Cancel-Subscription.
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001                [page 3]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+
+Table of Contents
+
+
+   1  Introduction....................................................6
+
+   2  Terminology.....................................................6
+
+   3  Model and Operation.............................................7
+
+   4  General Information.............................................8
+
+   5  Get-Notifications operation....................................10
+   5.1   Get-Notifications Request...................................12
+   5.2   Get-Notifications Response..................................13
+
+   6  Subscription Template Attributes...............................18
+   6.1   Subscription Template Attribute Conformance.................18
+   6.2   Additional Information about Subscription Template Attributes18
+   6.2.1   notify-recipient-uri (uri)................................18
+   6.3   Subscription Description Attribute Conformance..............19
+
+   7  Additional Printer Description Attributes......................19
+   7.1   Printer Description Attribute Conformance...................19
+   7.2   New Values for Existing Printer Description Attributes......19
+   7.2.1   notify-schemes-supported (1setOf uriScheme)...............19
+   7.2.2   operations-supported (1setOf type2 enum)..................19
+   7.3   begin-to-expire-time-interval (integer(0:MAX))..............20
+
+   8  New Status Codes...............................................20
+   8.1   redirection-other-site (0x300)..............................21
+
+   9  The IPPGET URL Scheme..........................................21
+   9.1   The IPPGET URL Scheme Applicability and Intended Usage......21
+   9.2   The IPPGET URL Scheme Associated Port.......................21
+   9.3   The IPPGET URL Scheme Associated MIME Type..................21
+   9.4   The IPPGET URL Scheme Character Encoding....................22
+   9.5   The IPPGET URL Scheme Syntax in ABNF........................22
+   9.5.1   IPPGET URL Examples.......................................23
+   9.5.2   IPPGET URL Comparisons....................................23
+
+   10 Encoding.......................................................24
+
+   11 Conformance Requirements.......................................24
+   11.1  Conformance for IPP Printers................................24
+   11.2  Conformance for IPP Clients.................................25
+
+   12 IANA Considerations............................................25
+   12.1  Operation Registrations.....................................26
+   12.2  Additional values of existing attributes....................26
+
+Herriot, et al.         Expires: August 28, 2001                [page 4]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   12.2.1  Additional values for the "notify-schemes-supported" Printer
+              attribute..............................................26
+   12.2.2  Additional values for the "operations-supported" Printer
+              attribute..............................................26
+   12.3  Attribute Registrations.....................................27
+   12.4  Status code Registrations...................................27
+
+   13 Internationalization Considerations............................27
+
+   14 Security Considerations........................................27
+
+   15 References.....................................................28
+
+   16 Authors' Addresses.............................................29
+
+   17 Full Copyright Statement.......................................30
+
+
+Table of Tables
+
+   Table 1 - Information about the Delivery Method....................9
+
+   Table 2 - Attributes in Event Notification Content................16
+
+   Table 3 - Additional Attributes in Event Notification Content for Job
+
+      Events ........................................................17
+
+   Table 4 - Combinations of Events and Subscribed Events for "job-
+
+      impressions-completed" ........................................17
+
+   Table 5 - Additional Attributes in Event Notification Content for
+
+      Printer Events ................................................18
+
+   Table 6 - Operation-id assignments................................20
+
+   Table 7 - The "event-notification-attributes-tag" value...........24
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001                [page 5]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+1  Introduction
+
+   The notification extension document [ipp-ntfy] defines operations
+   that a client can perform in order to create Subscription Objects in
+   a Printer and carry out other operations on them. A Subscription
+   Object represents a Subscription abstraction. The Subscription Object
+   specifies that when one of the specified Events occurs, the Printer
+   sends an asynchronous Event Notification to the specified
+   Notification Recipient via the specified Delivery Method (i.e.,
+   protocol).
+
+   The notification extension document [ipp-ntfy] specifies that each
+   Delivery Method is defined in another document. This document is one
+   such document, and it specifies the 'ippget' delivery method.
+
+   The 'ippget' Delivery Method is a 'pull and push' Delivery Method.
+   That is, the Printer saves Event Notification for a period of time
+   and expects the Notification Recipient to fetch the Event
+   Notifications (the pull part). The Printer continues to send Event
+   Notifications to the Notification Recipient as Events occur (the push
+   part) if the client has selected the option to wait for additional
+   Event Notifications.
+
+   When a Printer supports this Delivery Method, it holds each Event
+   Notification for an amount of time, called the Event Notification
+   Lease Time.
+
+   When a Notification Recipient wants to receive Event Notifications,
+   it performs an IPP operation called 'Get-Notifications', which this
+   document defines. This operation causes the Printer to return all
+   Event Notifications held for the Notification Recipient. If the
+   Notification Recipient has selected the option to wait for additional
+   Event Notifications, the Printer the Printer continues to send Event
+   Notifications to the Notification Recipient as Events occur.
+
+
+2  Terminology
+
+   This section defines the following terms that are used throughout
+   this document:
+
+   Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD
+   NOT, MAY, NEED NOT, and OPTIONAL, have special meaning relating to
+   conformance to this specification.  These terms are defined in
+   [RFC2911 section 13.1 on conformance terminology, most of which is
+   taken from RFC 2119 [RFC2119].
+
+   Event Notification Lease: The lease that is associated with an Event
+   Notification. When the lease expires, the Printer discards the
+   associated Event Notification.
+
+Herriot, et al.         Expires: August 28, 2001                [page 6]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   Event Notification Lease Time: The expiration time assigned to a
+   lease that is associated with an Event Notification.
+
+   Event Notification Attributes Group: The attributes group in a
+   response that contains attributes that are part of an Event
+   Notification.
+
+   For other capitalized terms that appear in this document, see [ipp-
+   ntfy].
+
+
+3  Model and Operation
+
+   In a Subscription Creation Operation, when the value of the "notify-
+   recipient-uri" attribute has the scheme 'ippget', the client is
+   requesting that the Printer use the 'ippget' Delivery Method for the
+   Event Notifications associated with the new Subscription Object.  The
+   client SHOULD choose a value for the address part of the "notify-
+   recipient-uri" attribute that uniquely identifies the Notification
+   Recipient.
+
+   When an Event occurs, the Printer MUST generate an Event Notification
+   and MUST assign it the Event Notification Lease Time.  The Printer
+   MUST hold an Event Notification for its assigned Event Notification
+   Lease Time.  The Printer MUST assign the same Event Notification
+   Lease Time to each Event Notification.
+
+   When a Notification Recipient wants to receive Event Notifications,
+   it performs the Get-Notifications operation, which causes the Printer
+   to return all un-expired Event Notifications held for the
+   Notification Recipient.  If the Notification Recipient has selected
+   the option to wait for additional Event Notifications, the response
+   to the Get-Notifications request continues indefinitely as the
+   Printer continues to send Event Notifications in the response as
+   Events occur.  For the Get-Notification operation, the Printer sends
+   only those Event Notifications that are generated from Subscription
+   Objects whose "notify-recipient-uri" attribute value equals the value
+   of the "notify-recipient-uri" Operation Attribute in the Get-
+   Notifications operation.
+
+   If a Notification Recipient performs the Get-Notifications operation
+   twice in quick succession, it will receive nearly the same Event
+   Notification both times because most of the Event Notifications are
+   those that the Printer saves for a few seconds after the Event
+   occurs.  There are two possible differences. Some old Event
+   Notifications may not be present in the second response because their
+   Event Notification Leases have expired.  Some new Event Notifications
+   may be present in the second response but not the first response.
+
+
+
+Herriot, et al.         Expires: August 28, 2001                [page 7]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   When the Notification Recipient requests Event Notifications for per-
+   Job Subscription Objects, the Notification Recipient typically
+   performs the Get-Notifications operation within a second of
+   performing the Subscription Creation operation.  Because the Printer
+   is likely to save Event Notifications for several seconds, the
+   Notification Recipient is unlikely to miss any Event Notifications
+   that occur between the Subscription Creation and the Get-
+   Notifications operation.
+
+
+4  General Information
+
+   If a Printer supports this Delivery Method, the following are its
+   characteristics.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001                [page 8]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+              Table 1 - Information about the Delivery Method
+
+
+   Document Method Conformance        Delivery Method Realization
+   Requirement
+
+
+   1.  What is the URL scheme name    ippget
+       for the Delivery Method?
+
+   2.  Is the Delivery Method         RECOMMENDED
+       REQUIRED, RECOMMENDED or
+       OPTIONAL for an IPP Printer
+       to support?
+
+   3.  What transport and delivery
+       protocols does the Printer
+       use to deliver the Event
+       Notification Content, i.e.,
+       what is the entire network     IPP with one new operation.
+       stack?
+
+   4.  Can several Event              Yes.
+       Notifications be combined
+       into a Compound Event
+       Notification?
+
+   5.  Is the Delivery Method         This Delivery Method is a pull
+       initiated by the Notification  and a push.
+       Recipient (pull), or by the
+       Printer (push)?
+
+   6.  Is the Event Notification      Machine Consumable
+       content Machine Consumable or
+       Human Consumable?
+
+   7.  What section in this document  Section 5
+       answers the following
+       question? For a Machine
+       Consumable Event
+       Notification, what is the
+       representation and encoding
+       of values defined in section
+       9.1 of [ipp-ntfy] and the
+       conformance requirements
+       thereof? For a Human
+       Consumable Event
+       Notification, what is the
+       representation and encoding
+
+
+Herriot, et al.         Expires: August 28, 2001                [page 9]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+
+       of pieces of information
+       defined in section 9.2 of
+       [ipp-ntfy] and the
+       conformance requirements
+       thereof?
+
+   8.  What are the latency and       Same as IPP and the underlying
+       reliability of the transport   HTTP transport
+       and delivery protocol?
+
+   9.  What are the security aspects  Same as IPP and the underlying
+       of the transport and delivery  HTTP transport
+       protocol, e.g., how it is
+       handled in firewalls?
+
+   10. What are the content length    None
+       restrictions?
+
+   11. What are the additional        None
+       values or pieces of
+       information that a Printer
+       sends in an Event
+       Notification content and the
+       conformance requirements
+       thereof?
+
+   12. What are the additional        None
+       Subscription Template and/or
+       Subscription Description
+       attributes and the
+       conformance requirements
+       thereof?
+
+   13. What are the additional        None
+       Printer Description
+       attributes and the
+       conformance requirements
+       thereof?
+
+
+
+
+5  Get-Notifications operation
+
+   This operation causes the Printer to return all Event Notifications
+   held for the Notification Recipient.
+
+   A Printer MUST support this operation.
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 10]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   When a Printer performs this operation, it MUST return all and only
+   those Event Notifications:
+
+     1. Whose associated Subscription Object's "notify-recipient-uri"
+        attribute equals the "notify-recipient-uri" Operation attribute
+        AND
+
+     2. Whose associated Subscription Object's "notify-recipient-uri"
+        attribute has a scheme value of 'ippget'  AND
+
+     3. Whose Event Notification Lease Time has not yet expired AND
+
+     4. Where the Notification Recipient is the owner of or has read-
+        access rights to the associated Subscription Object.
+
+   The Printer MUST respond to this operation immediately with whatever
+   Event Notifications it currently holds. If the Notification Recipient
+   has selected the option to wait for additional Event Notifications,
+   the Printer MUST continue to send Event Notifications as they occur
+   until all of the associated Subscription Objects are cancelled.  A
+   Subscription Object is cancelled either via the Cancel-Subscription
+   operation or by the Printer (e.g. the Subscription Object is
+   cancelled when the associated Job completes).
+
+   Note, the Printer terminates the operation in the same way that it
+   normally terminates IPP operations. For example, if the Printer is
+   sending chunked data, it can send a 0 length chunk to denote the end
+   of the operation or it can close the connection.  If the Notification
+   Recipient wishes to terminate the Get-Notifications operation, it can
+   close the connection.
+
+   The Printer MUST accept the request in any state (see [RFC2911]
+   "printer-state" and "printer-state-reasons" attributes) and MUST
+   remain in the same state with the same "printer-state-reasons"
+   values.
+
+   Access Rights: If the policy of the Printer is to allow all users to
+   access all Event Notifications, then the Printer MUST accept this
+   operation from any user.  Otherwise, the authenticated user (see
+   [RFC2911] section 8.3) performing this operation MUST either be the
+   owner of each Subscription Object identified by the "notify-
+   recipient-uri" Operation attribute (as determined during a
+   Subscription Creation Operation) or an operator or administrator of
+   the Printer (see [RFC2911] Sections 1 and 8.5).  Otherwise, the IPP
+   object MUST reject the operation and return: 'client-error-
+   forbidden', 'client-error-not-authenticated', or 'client-error-not-
+   authorized' status code as appropriate.
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 11]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+5.1  Get-Notifications Request
+
+   The following groups of attributes are part of the Get-Notifications
+   Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.1.
+
+      Target:
+         The "printer-uri" (uri) operation attribute which is the target
+         for this operation as described in [RFC2911] section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in [RFC2911] section 8.3.
+
+      "notify-recipient-uri" (url):
+         The client MUST supply this attribute.  The Printer object MUST
+         support this attribute. The Printer matches the value of this
+         attribute (byte for byte with no case conversion) against the
+         value of the "notify-recipient-uri" in each Subscription Object
+         in the Printer. If there are no matches, the IPP Printer MUST
+         return the 'client-error-not-found' status code.  For each
+         matched Subscription Object, the IPP Printer MUST return all
+         unexpired Event Notifications associated with it.  The Printer
+         MUST send additional Event Notifications as Events occur if and
+         only if the value of the "notify-no-wait" attribute is 'false'
+         or not supplied by the client (see the next attribute below).
+
+         Note: this attribute allows a subscribing client to pick URLs
+         that are unique, e.g. the client's own URL or a friend's URL,
+         which in both cases is likely the URL of the person's host. An
+         application could make a URL unique for each application.
+
+      "notify-no-wait" (boolean):
+         The client MAY supply this attribute.  The Printer object MUST
+         support this attribute.  If the value of this attribute is
+         'false', the Printer MUST send all un-expired Event
+         Notifications (as defined in the previous attribute) and it
+         MUST continue to send responses for as long as the Subscription
+         Objects associated with the specified "notify-recipient-uri"
+         continue to exist. If the value of this attribute is 'true',
+         the Printer MUST send all un-expired Event Notifications (as
+         defined in the previous attribute) and the Printer MUST
+         conclude the operation without waiting for any additional
+         Events to occur.  If the client doesn't supply this attribute,
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 12]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+         the Printer MUST behave as if the client had supplied this
+         attribute with the value of 'false'.
+
+5.2  Get-Notifications Response
+
+   The following groups of attributes are part of the Get-Notifications
+   Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in [RFC2911] sections 13 and
+         3.1.6.
+
+         The Printer can return any status codes defined in [RFC2911].
+         If the status code is not 'successful-', the Printer MUST NOT
+         return any Event Notification Attribute groups. The following
+         is a description of the important status codes:
+
+            successful-ok: the response contains all Event Notification
+               associated with the specified "notify-recipient-uri". If
+               the specified Subscription Objects have no associated
+               Event Notification, the response MUST contain zero Event
+               Notifications.
+            client-error-not-found: The Printer has no Subscription
+               Object's whose "notify-recipient-uri" attribute equals
+               the "notify-recipient-uri" Operation attribute.
+            server-error-busy: The Printer is too busy to accept this
+               operation. If the "suggested-ask-again-time-interval"
+               operation attribute is present in the Operation
+               Attributes of the response, then the Notification
+               Recipient SHOULD wait for the number of seconds specified
+               by the "suggested-ask-again-time-interval" attribute
+               before performing this operation again. If the
+               "suggested-ask-again-time-interval" Operation Attribute
+               is not present, the Notification Recipient should use the
+               normal network back-off algorithms for determining when
+               to perform this operation again.
+            redirection-other-site: The Printer does not handle this
+               operation and requests the Notification Recipient to
+               perform the operation with the uri specified by the
+               "notify-ippget-redirect" Operation Attribute in the
+               response.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in [RFC2911] section 3.1.4.2.
+
+Herriot, et al.         Expires: August 28, 2001               [page 13]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+
+         The Printer MUST use the values of "notify-charset" and
+         "notify-natural-language", respectively, from one Subscription
+         Object associated with the Event Notifications in this
+         response.
+
+         Normally, there is only one matched Subscription Object, or the
+         value of the "notify-charset" and "notify-natural-language"
+         attributes is the same in all Subscription Objects. If not, the
+         Printer MUST pick one Subscription Object from which to obtain
+         the value of these attributes. The algorithm for picking the
+         Subscription Object is implementation dependent. The choice of
+         natural language is not critical because 'text' and 'name'
+         values can override the "attributes-natural-language" Operation
+         attribute. The Printer's choice of charset is critical because
+         a bad choice may leave it unable to send some 'text' and 'name'
+         values accurately.
+
+      "printer-up-time" (integer(0:MAX)):
+         The value of this attribute is the Printer's "printer-up-time"
+         attribute at the time the Printer sends this response. Because
+         each Event Notification also contains the value of this
+         attribute when the event occurred, the value of this attribute
+         lets a Notification Recipient know when each Event Notification
+         occurred relative to the time of this response.
+
+      "suggested-ask-again-time-interval" (integer(0:MAX)):
+         The value of this attribute is the number of seconds that the
+         Notification Recipient SHOULD wait before trying this operation
+         again when
+            a) the Printer returns the 'server-error-busy' status code
+               OR
+            b) the Printer returns the 'successful-ok' status code and
+               the client supplied the "notify-no-wait" attribute with a
+               value of 'true'.
+         This value is intended to help the client be a good network
+         citizen.
+
+      "notify-ippget-redirect" (uri):
+         The value of this attribute is uri that the Notification
+         Recipient MUST use for the Get-Notifications operation. This
+         attribute is present in the Operation Attributes if and only if
+         the status code has the value 'redirection-other-site'.
+
+   Group 2: Unsupported Attributes
+
+         See [RFC2911] section 3.1.7 for details on returning
+         Unsupported Attributes.
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 14]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+         If the "subscription-ids" attribute contained subscription-ids
+         that do not exist, the Printer returns them in this group as
+         value of the "subscription-ids" attribute.
+
+   Group 3 through N: Event Notification Attributes
+
+         The Printer responds with one Event Notification Attributes
+         Group per matched Event Notification. The initial matched Event
+         Notifications are all un-expired Event Notification associated
+         with the matched Subscription Objects.  If the Notification
+         Recipient has selected the option to wait for additional Event
+         Notifications, the Printer the subsequent Event Notifications
+         in the response are Event Notifications associated with the
+         matched Subscription Objects as the corresponding Event occurs.
+
+         From the Notification Recipient's view, the response appears as
+         an initial burst of data, which includes the Operation
+         Attributes Group and one Event Notification Attributes Groups
+         per Event Notification that the Printer is holding.  After the
+         initial burst of data, if the Notification Recipient has
+         selected the option to wait for additional Event Notifications,
+         the Notification Recipient receives occasional Event
+         Notification Attribute Groups. Proxy servers may delay some
+         Event Notifications or cause time-outs to occur.  The client
+         MUST be prepared to perform the Get-Notifications operation
+         again when time-outs occur.
+
+         Each Event Notification Group MUST start with an 'event-
+         notification-attributes-tag' (see the section "Encodings of
+         Additional Attribute Tags" in [ipp-ntfy]).
+
+         Each attribute is encoded using the IPP rules for encoding
+         attributes [RFC2910] and may be encoded in any order.  Note:
+         the Get-Jobs response in [RFC2911] acts as a model for encoding
+         multiple groups of attributes.
+
+         Each Event Notification Group MUST contain all of attributes
+         specified in section 9.1 ("Content of Machine Consumable Event
+         Notifications") of [ipp-ntfy] with exceptions denoted by
+         asterisks in the tables below.
+
+         The tables below are copies of the tables in section 9.1
+         ("Content of Machine Consumable Event Notifications") of [ipp-
+         ntfy] except that each cell in the "Sends" column is a  "MUST".
+
+         For an Event Notification for all Events, the Printer includes
+         the attributes shown in Table 2.
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 15]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+             Table 2 - Attributes in Event Notification Content
+
+
+     Source Value                               Sends     Source Object
+
+
+     notify-subscription-id (integer(1:MAX))    MUST      Subscription
+
+     notify-printer-uri (uri)                   MUST      Subscription
+
+     notify-subscribed-event (type2 keyword)    MUST      Event
+                                                          Notification
+
+     printer-up-time (integer(MIN:MAX))         MUST      Printer
+
+     printer-current-time (dateTime) *          MUST *    Printer
+
+     notify-sequence-number (integer (0:MAX))   MUST      Subscription
+
+     notify-charset (charset)                   MUST      Subscription
+
+     notify-natural-language (naturalLanguage)  MUST      Subscription
+
+     notify-user-data (octetString(63)) **      MUST      Subscription
+
+     notify-text (text)                         MUST      Event
+                                                          Notification
+
+     attributes from the "notify-attributes"    MUST      Printer
+     attribute ***
+
+     attributes from the "notify-attributes"    MUST      Job
+     attribute ***
+
+     attributes from the "notify-attributes"    MUST      Subscription
+     attribute ***
+
+
+         * The Printer MUST send the "printer-current-time" attribute if
+         and only if it supports the "printer-current-time" attribute on
+         the Printer object.
+
+         ** If the associated Subscription Object does not contain a
+         "notify-user-data" attribute, the Printer MUST send an octet-
+         string of length 0.
+
+         *** If the "notify-attributes" attribute is present on the
+         Subscription Object, the Printer MUST send all attributes
+         specified by the "notify-attributes" attribute.  Note: if the
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 16]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+         Printer doesn't support the "notify-attributes" attribute, it
+         is not present on the associated Subscription Object.
+
+         For Event Notifications for Job Events, the Printer includes
+         the additional attributes shown in Table 3.
+
+      Table 3 - Additional Attributes in Event Notification Content for
+                                 Job Events
+
+
+     Source Value                                   Sends  Source
+                                                           Object
+
+
+     job-id (integer(1:MAX))                        MUST   Job
+
+     job-state (type1 enum)                         MUST   Job
+
+     job-state-reasons (1setOf type2 keyword)       MUST   Job
+
+     job-impressions-completed (integer(0:MAX)) *   MUST   Job
+
+
+         *  The Printer MUST send the "job-impressions-completed"
+         attribute in an Event Notification only for the combinations of
+         Events and Subscribed Events shown in Table 4.
+
+
+      Table 4 - Combinations of Events and Subscribed Events for "job-
+                           impressions-completed"
+
+
+     Job Event                  Subscribed Job Event
+
+
+     'job-progress'             'job-progress'
+
+     'job-completed'            'job-completed'
+
+     'job-completed'            'job-state-changed'
+
+
+
+         For Event Notification for Printer Events, the Printer includes
+         the additional attributes shown in Table 5.
+
+
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 17]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+      Table 5 - Additional Attributes in Event Notification Content for
+                               Printer Events
+
+
+     Source Value                                   Sends   Source
+                                                            Object
+
+
+     printer-state (type1 enum)                     MUST    Printer
+
+     printer-state-reasons (1setOf type2 keyword)   MUST    Printer
+
+     printer-is-accepting-jobs (boolean)            MUST    Printer
+
+
+6  Subscription Template Attributes
+
+   This section defines the Subscription object conformance requirements
+   for Printers.
+
+
+6.1  Subscription Template Attribute Conformance
+
+   The 'ippget' Delivery Method has the same conformance requirements
+   for Subscription Template attributes as defined in [ipp-ntfy].  The
+   'ippget' Delivery Method does not define any addition Subscription
+   Template attributes.
+
+
+6.2  Additional Information about Subscription Template Attributes
+
+   This section defines additional information about Subscription
+   Template attributes defined in [ipp-ntfy].
+
+
+6.2.1  notify-recipient-uri (uri)
+
+   This section describes the syntax of the value of this attribute for
+   the 'ippget' Delivery Method.  The syntax for values of this
+   attribute for other Delivery Method is defined in other Delivery
+   Method Documents.
+
+   In order to support the 'ippget' Delivery Method and Protocol, the
+   Printer MUST support the following syntax:
+
+     The 'ippget://' URI scheme.  The remainder of the URI indicates
+     something unique about the Notification Recipient, such as its host
+     name or host address (and optional path) that the Printer uses to
+     match the "notify-recipient-uri" Operation attribute supplied in
+     the Get-Notifications request.
+
+Herriot, et al.         Expires: August 28, 2001               [page 18]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+6.3  Subscription Description Attribute Conformance
+
+   The 'ippget' Delivery Method has the same conformance requirements
+   for Subscription Description attributes as defined in [ipp-ntfy].
+   The 'ippget' Delivery Method does not define any addition
+   Subscription Description attributes.
+
+
+7  Additional Printer Description Attributes
+
+   This section defines the Printer Description Attributes conformance
+   requirements for Printers.
+
+
+7.1  Printer Description Attribute Conformance
+
+   The 'ippget' Delivery Method has the same conformance requirements
+   for Printer Description attributes as defined in [ipp-ntfy].  The
+   'ippget' Delivery Method does not define any addition Printer
+   Description attributes.
+
+
+7.2  New Values for Existing Printer Description Attributes
+
+   This section defines additional values for existing Printer
+   Description attributes.
+
+
+7.2.1  notify-schemes-supported (1setOf uriScheme)
+
+   The following value for the "notify-schemes-supported" attribute is
+   added in order to support the new Delivery Method defined in this
+   document:
+
+      'ippget'  - The IPP Notification Delivery Method defined in this
+        document.
+
+7.2.2  operations-supported (1setOf type2 enum)
+
+   Table 6 lists the "operation-id" value defined in order to support
+   the new Get-Notifications operation defined in this document.
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 19]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+                    Table 6 - Operation-id assignments
+
+
+     Value        Operation Name
+
+
+     0x001C       Get-Notifications
+
+
+
+
+7.3  begin-to-expire-time-interval (integer(0:MAX))
+
+   This Printer Description attribute specifies the number of seconds
+   that a Printer keeps an Event Notification that is associated with
+   the 'ippget' Delivery Method.
+
+   The Printer MUST support this attribute if it supports the 'ippget'
+   Delivery Method.
+
+   The value of this attribute is the minimum number of seconds that
+   MUST elapse between the time the Printer creates an Event
+   Notification object for the 'ippget' Delivery Method and the time the
+   Printer discards the same Event Notification.
+
+   For example, assume the following:
+
+     1.a client performs a Job Creation operation that creates a
+       Subscription Object associated with this Delivery Method, AND
+
+     2.an Event associated with the new Job occurs immediately after
+       the Subscription Object is created, AND
+
+     3.the same client or some other client performs a Get-
+       Notifications operation N seconds after the Job Creation
+       operation.
+
+   Then, if N is less than the value of this attribute, the client
+   performing the Get-Notifications operations can expect not miss any
+   Event-Notifications, barring some unforeseen lack of memory space in
+   the Printer.
+
+
+8  New Status Codes
+
+   The following status codes are defined as extensions for this
+   Delivery Method and are returned as the status code of the Get-
+   Notifications operation.
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 20]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+8.1  redirection-other-site (0x300)
+
+   This status code means that the Printer doesn't perform that Get-
+   Notifications operation and that the "notify-ippget-redirect"
+   Operation Attribute in the response contains the uri that the
+   Notification Recipient MUST use for performing the Get-Notifications
+   operation.
+
+
+9  The IPPGET URL Scheme
+
+   This section defines the 'ippget' URL and the conformance
+   requirements for using it.
+
+
+9.1  The IPPGET URL Scheme Applicability and Intended Usage
+
+   This section is intended for use in registering the 'ippget' URL
+   scheme with IANA and fully conforms to the requirements in [RFC2717].
+   This document defines the 'ippget'" URL (Uniform Resource Locator)
+   scheme for specifying a unique identifier for an IPP Client which
+   implements the IPP Get-Notifications operation specified in this
+   document (see section 5).
+
+   The intended usage of the 'ippget' URL scheme is COMMON.
+
+
+9.2  The IPPGET URL Scheme Associated Port
+
+   None.
+
+   An 'ippget' URL behaves as a unique identifier for IPP Clients and is
+   NOT used to initiate any over-the-wire protocol associations.
+
+   See:  IANA Port Numbers Registry [IANA-PORTREG].
+
+
+9.3  The IPPGET URL Scheme Associated MIME Type
+
+   All IPP Get-Notifications operations (requests and responses) MUST be
+   conveyed in an 'application/ipp' MIME media type as registered in
+   [IANA-MIMEREG].  An 'ippget' URL MUST uniquely identify an IPP Client
+   that support this 'application/ipp' MIME media type.
+
+   See:  IANA MIME Media Types Registry [IANA-MIMEREG].
+
+
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 21]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+9.4  The IPPGET URL Scheme Character Encoding
+
+   The 'ippget' URL scheme defined in this document is based on the ABNF
+   for the URI Generic Syntax [RFC2396] and further updated by [RFC2732]
+   and [RFC2373] (for IPv6 addresses in URLs).  The 'ippget' URL scheme
+   is case-insensitive in the host name or host address part; however,
+   the path part is case-sensitive, as in [RFC2396].  Code points
+   outside [US-ASCII] MUST be hex escaped by the mechanism specified in
+   [RFC2396].
+
+
+9.5  The IPPGET URL Scheme Syntax in ABNF
+
+   This document is intended for use in registering the 'ippget' URL
+   scheme with IANA and fully conforms to the requirements in [RFC2717].
+   This document defines the 'ippget' URL (Uniform Resource Locator)
+   scheme for specifying a unique identifier for an IPP Client which
+   implements IPP 'Get-Notifications' operation specified in this
+   document.
+
+   The intended usage of the 'ippget' URL scheme is COMMON.
+
+   The IPP protocol places a limit of 1023 octets (NOT characters) on
+   the length of a URI (see section 4.1.5 'uri' in [RFC2911]).  An IPP
+   Printer MUST return the 'client-error-request-value-too-long' status
+   code (see section 13.1.4.10 in [RFC2911]) when a URI received in a
+   request is too long.
+
+     Note:  IPP Clients and IPP Printers ought to be cautious about
+     depending on URI lengths above 255 bytes, because some older client
+     or proxy implementations might not properly support these lengths.
+
+   An 'ippget' URL MUST be represented in absolute form.  Absolute URLs
+   always begin with a scheme name followed by a colon.  For definitive
+   information on URL syntax and semantics, see "Uniform Resource
+   Identifiers (URI): Generic Syntax and Semantics" [RFC2396].  This
+   specification adopts the definitions of "authority", "abs_path",
+   "query", "reg_name", "server", "userinfo", and "hostport" from
+   [RFC2396], as updated by [RFC2732] and [RFC2373] (for IPv6 addresses
+   in URLs).
+
+   The 'ippget' URL scheme syntax in ABNF is as follows:
+
+      ippget_URL = "ippget:" "//" authority [ abs_path [ "?" query ]]
+      authority  = server | reg_name
+      reg_name   = 1*( unreserved | escaped | "$" | "," |
+                       ";" | ":" | "@" | "&" | "=" | "+" )
+      server     = [ [ userinfo "@" ] hostport ]
+      userinfo   = *( unreserved | escaped |
+                      ";" | ":" | "&" | "=" | "+" | "$" | "," )
+
+Herriot, et al.         Expires: August 28, 2001               [page 22]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+      hostport   = host [ ":" port ]
+      abs_path   = "/"  path_segments
+
+   If the port is empty or not given, then no port is assumed.  The
+   semantics are that the 'ippget' URL is a unique identifier for an IPP
+   Client that will retrieve IPP event notifications via the IPP Get-
+   Notifications operation.
+
+   Note:  The use of IP addresses in URLs SHOULD be avoided whenever
+   possible (see [RFC1900]).
+
+
+9.5.1  IPPGET URL Examples
+
+   The following are examples of valid 'ippget' URLs for IPP Clients
+   (using DNS host names):
+
+          ippget://abc.com
+          ippget://abc.com/listener
+          ippget://bob@abc.com/listener/1232
+
+   Note:  The use of IP addresses in URLs SHOULD be avoided whenever
+   possible (see [RFC1900]).
+
+   The choice of 'userinfo@hostport' versus the simpler 'hostport'
+   production in an 'ippget' URL may be influenced by the intended
+   usage.
+
+   If a given IPP Client creates an IPP Subscription object for event
+   notifications intended for retrieval by the same IPP Client, then the
+   simple 'hostport' production may be most appropriate.
+
+   On the other hand, if a given IPP Client creates an IPP Subscription
+   object for event notifications intended for retrieval by a different
+   IPP Client, then the 'userinfo@hostport' production (using, for
+   example, the right-hand side of a 'mailto:' URL, see [RFC2368]) may
+   be most appropriate.
+
+
+9.5.2  IPPGET URL Comparisons
+
+   When comparing two 'ippget' URLs to decide if they match or not, an
+   IPP Client or IPP Printer SHOULD use a case-sensitive octet-by-octet
+   comparison of the entire URLs, with these exceptions:
+
+        - Comparisons of host names MUST be case-insensitive;
+
+        - Comparisons of scheme names MUST be case-insensitive;
+
+        - An empty 'abs_path' is equivalent to an 'abs_path' of "/".
+
+Herriot, et al.         Expires: August 28, 2001               [page 23]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   Characters other than those in the "reserved" and "unsafe" sets (see
+   [RFC2396] and [RFC2732]) are equivalent to their ""%" HEX HEX"
+   encoding.
+
+   For example, the following three URIs are equivalent:
+
+        ippget://abc.com/~smith/listener
+
+        ippget://ABC.com/%7Esmith/listener
+
+        ippget://ABC.com:/%7esmith/listener
+
+
+10 Encoding
+
+   This notification delivery method uses the IPP transport and encoding
+   [RFC2910] for the Get-Notifications operation with one extension
+   allocated in [ipp-ntfy]:
+
+
+          Table 7 - The "event-notification-attributes-tag" value
+
+
+   Tag Value (Hex)    Meaning
+
+
+   0x07               "event-notification-attributes-tag"
+
+
+
+11 Conformance Requirements
+
+
+11.1 Conformance for IPP Printers
+
+   IPP Printers that conform to this specification:
+
+     1. MUST meet the conformance requirements defined in [ipp-ntfy];
+
+     2. MUST support the Get-Notifications operation defined in section
+        5;
+
+     3. MUST support the Subscription object attributes as defined in
+        section 6;
+
+     4. MUST support the additional values for IPP/1.1 Printer
+        Description attributes defined in section 7.2;
+
+     5. MUST support the "begin-to-expire-time-interval" Printer
+        Description attribute defined in section 7.3;
+
+Herriot, et al.         Expires: August 28, 2001               [page 24]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+     6. MUST support the "redirection-other-site" status code defined
+        8.1;
+
+     7. SHOULD reject received 'ippget' URLs in 'application/ipp'
+        request bodies (e.g., in the "notify-recipient-uri" attribute in
+        a Get-Notifications request) that do not conform to the ABNF for
+        'ippget' URLs specified in section 9.5 of this document;
+
+     8. MUST listen for the IPP Get-Notifications operation requests on
+        IANA-assigned well-known port 631, unless explicitly configured
+        by system administrators or site policies;
+
+     9. SHOULD NOT listen for IPP Get-Notifications operation requests
+        on any other port, unless explicitly configured by system
+        administrators or site policies.
+
+
+11.2 Conformance for IPP Clients
+
+   IPP Clients that conform to this specification:
+
+     1.MUST create unambiguously unique 'ippget' URLs in all cases;
+
+     2.MUST send 'ippget' URLs (e.g., in the "notify-recipient-uri"
+       attribute in a Get-Notifications request) that conform to the
+       ABNF specified in section 9.5 of this document;
+
+     3.MUST send IPP Get-Notifications operation requests via the port
+       specified in the associated 'ipp' URL (if present) or otherwise
+       via IANA assigned well-known port 631;
+
+     4.MUST convert the associated 'ipp' URLs to their corresponding
+       'http' URL forms according to the rules in section 5 "IPP URL
+       Scheme" in [RFC2910].
+
+   Note:  The use of ambiguous 'ippget' URLs is NOT an optional feature
+   for IPP Clients; it is a non-conformant implementation error.
+
+
+12 IANA Considerations
+
+   IANA is requested to register the 'ippget' URL scheme as defined in
+   section 9 according to the procedures of [RFC2717].
+
+   The rest of this section contains the exact information for
+   additional IPP entities for IANA to add to the IPP Registries
+   according to the procedures defined in RFC 2911 [RFC2911] section 6.
+
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 25]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+     Note to RFC Editors:  Replace RFC NNNN below with the RFC number
+     for this document, so that it accurately reflects the content of
+     the information for the IANA Registry.
+
+
+12.1 Operation Registrations
+
+   The operations defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.4 with
+   the following path:
+
+       ftp.isi.edu/iana/assignments/ipp/operations/
+
+   The registry entry will contain the following information:
+
+   Operations:                                    Ref.      Section:
+   Get-Notifications operation                    RFC NNNN     5
+
+
+12.2 Additional values of existing attributes
+
+
+12.2.1 Additional values for the "notify-schemes-supported" Printer
+       attribute
+
+   The "notify-schemes-supported" 'uriScheme' attribute value defined in
+   this document will be published by IANA according to the procedures
+   in RFC 2911 [RFC2911] section 6.1 with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-values/notify-schemes-
+     supported/
+
+   The registry entry will contain the following information:
+
+                                                  Ref.      Section:
+   ippget                                         RFC NNNN    7.2.1
+
+
+12.2.2 Additional values for the "operations-supported" Printer
+       attribute
+
+   The "operations-supported" type2 enum attribute value defined in this
+   document will be published by IANA according to the procedures in RFC
+   2911 [RFC2911] section 6.1 with the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attribute-values/operations-
+     supported/
+
+   The registry entry will contain the following information:
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 26]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+                                        Value     Ref.      Section:
+   Get-Notifications                    0x001C    RFC NNNN    7.2.2
+
+
+12.3 Attribute Registrations
+
+   The attributes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.2 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/attributes/
+
+   The registry entry will contain the following information:
+
+   Printer Description attributes:                Ref.      Section:
+   begin-to-expire-time-interval (integer(0:MAX)) RFC NNNN     7.3
+
+12.4 Status code Registrations
+
+   The status codes defined in this document will be published by IANA
+   according to the procedures in RFC 2911 [RFC2911] section 6.6 with
+   the following path:
+
+     ftp.isi.edu/iana/assignments/ipp/status-codes/
+
+   The registry entry will contain the following information:
+
+   Status codes:                                  Ref.      Section:
+   redirection-other-site (0x300)                 RFC NNNN    8.1
+
+
+13 Internationalization Considerations
+
+   The IPP Printer MUST localize the "notify-text" attribute as
+   specified in section 14 of [ipp-ntfy].
+
+   In addition, when the client receives the Get-Notifications response,
+   it is expected to localize the attributes that have the 'keyword'
+   attribute syntax according to the charset and natural language
+   requested in the Get-Notifications request.
+
+
+14 Security Considerations
+
+   The IPP Model and Semantics document [RFC2911] discusses high-level
+   security requirements (Client Authentication, Server Authentication
+   and Operation Privacy).  Client Authentication is the mechanism by
+   which the client proves its identity to the server in a secure
+   manner.  Server Authentication is the mechanism by which the server
+   proves its identity to the client in a secure manner.  Operation
+
+Herriot, et al.         Expires: August 28, 2001               [page 27]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   Privacy is defined as a mechanism for protecting operations from
+   eavesdropping.
+
+   Unlike other Event Notification delivery methods in which the IPP
+   Printer initiates the Event Notification, with the method defined in
+   this document, the Notification Recipient is the client who   s the
+   Get-Notifications operation.  Therefore, there is no chance of "spam"
+   notifications with this method.  Furthermore, such a client can close
+   down the HTTP channel at any time, and so can avoid future unwanted
+   Event Notifications at any time.
+
+
+15 References
+
+   [ipp-iig]
+     Hastings, T., Manros, C., Kugler, K, Holst H., Zehler, P.,
+     "Internet Printing Protocol/1.1:  draft-ietf-ipp-implementers-
+     guide-v11-02.txt, work in progress, January 25, 2001
+
+   [ipp-ntfy]
+     R. Herriot, Hastings, T., Isaacson, S., Martin, J., deBry, R.,
+     Shepherd, M., Bergman, R., "Internet Printing Protocol/1.1: IPP
+     Event Notification Specification", <draft-ietf-ipp-not-spec-
+     06.txt>, February 24, 2001.
+
+   [RFC1900]
+     B. Carpenter, Y. Rekhter.  Renumbering Needs Work, RFC 1900,
+     February 1996.
+
+   [RFC2026]
+     S. Bradner, "The Internet Standards Process -- Revision 3", RFC
+     2026, October 1996.
+
+   [RFC2119]
+     S. Bradner, "Key words for use in RFCs to Indicate Requirement
+     Levels", RFC 2119 , March 1997
+
+   [RFC2368]
+     P. Hoffman, L. Masinter, J. Zawinski.  The "mailto" URL Scheme, RFC
+     2368, July 1998.
+
+   [RFC2373]
+     R. Hinden, S. Deering.  IP Version 6 Addressing Architecture, RFC
+     2373, July 1998.
+
+   [RFC2396]
+     Berners-Lee, T. et al.  Uniform Resource Identifiers (URI): Generic
+     Syntax, RFC 2396, August 1998
+
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 28]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   [RFC2567]
+     Wright, D., "Design Goals for an Internet Printing Protocol", RFC
+     2567, April 1999.
+
+   [RFC2568]
+     Zilles, S., "Rationale for the Structure and Model and Protocol for
+     the Internet Printing Protocol", RFC 2568, April 1999.
+
+   [RFC2569]
+     Herriot, R., Hastings, T., Jacobs, N., Martin, J., "Mapping between
+     LPD and IPP Protocols", RFC 2569, April 1999.
+
+   [RFC2616]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+   [RFC2717]
+     R. Petke and I. King, "Registration Procedures for URL Scheme
+     Names", RFC 2717, November 1999.
+
+   [RFC2732]
+     R. Hinden, B. Carpenter, L. Masinter.  Format for Literal IPv6
+     Addresses in URL's, RFC 2732, December 1999.
+
+   [RFC2910]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", RFC 2910, September 2000.
+
+   [RFC2911]
+     R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell,
+     "Internet Printing Protocol/1.1: Model and Semantics", RFC 2911,
+     September 2000.
+
+
+16 Authors' Addresses
+
+
+   Robert Herriot
+   Xerox Corp.
+   3400 Hill View Ave, Building 1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   e-mail: robert.herriot@pahv.xerox.com
+
+
+   Carl Kugler
+   IBM
+
+Herriot, et al.         Expires: August 28, 2001               [page 29]
+
+
+INTERNET-DRAFT   IPP: The 'ippget' Delivery Method    February 28, 2001
+
+
+   P.O. Box 1900
+   Boulder, CO 80301-9191
+
+   Phone:
+   Fax:
+   e-mail: kugler@us.ibm.com
+
+   Harry Lewis
+   IBM
+   P.O. Box 1900
+   Boulder, CO 80301-9191
+
+   Phone: 303-924-5337
+   FAX:
+   e-mail:  harryl@us.ibm.com
+
+
+17 Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the  purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+Herriot, et al.         Expires: August 28, 2001               [page 30]
diff --git a/standards/draft-ietf-ipp-notify-mailto-03.txt b/standards/draft-ietf-ipp-notify-mailto-03.txt
new file mode 100644
index 000000000..4be0dd94e
--- /dev/null
+++ b/standards/draft-ietf-ipp-notify-mailto-03.txt
@@ -0,0 +1,1740 @@
+
+
+
+
+
+
+INTERNET-DRAFT
+<draft-ietf-ipp-notify-mailto-03.txt>                     Robert Herriot
+Category:  standards track                                   Xerox Corp.
+                                                            Henrik Holst
+                                                i-data international a/s
+                                                            Tom Hastings
+                                                             Xerox Corp.
+                                                         Carl-Uno Manros
+                                                             Xerox Corp.
+                                                         August 30, 2000
+
+                   Internet Printing Protocol (IPP):
+          The 'mailto' Delivery Method for Event Notifications
+
+    Copyright (C) The Internet Society (2000). All Rights Reserved.
+
+Status of this Memo
+
+This document is an Internet-Draft and is in full conformance with all
+provisions of Section 10 of [RFC2026].  Internet-Drafts are working
+documents of the Internet Engineering Task Force (IETF), its areas, and
+its working groups.  Note that other groups may also distribute working
+documents as Internet-Drafts.
+
+Internet-Drafts are draft documents valid for a maximum of six months
+and may be updated, replaced, or obsoleted by other documents at any
+time.  It is inappropriate to use Internet-Drafts as reference material
+or to cite them other than as "work in progress".
+
+The list of current Internet-Drafts can be accessed at
+http://www.ietf.org/ietf/1id-abstracts.txt
+
+The list of Internet-Draft Shadow Directories can be accessed as
+http://www.ietf.org/shadow.html.
+
+
+Abstract
+
+
+The notification extension document [ipp-ntfy] defines operations that a
+client can perform in order to create Subscription Objects in a Printer
+and carry out other operations on them. The Subscription Object
+specifies that when one of the specified Events occurs, the Printer
+sends an asynchronous Event Notification to the specified Notification
+Recipient via the specified Delivery Method (i.e., protocol).
+
+
+The notification extension document [ipp-ntfy] specifies that each
+Delivery Method is defined in another document. This document is one
+such document, and it specifies the 'mailto' delivery method.
+
+Herriot, et al.          Expires: March 1, 2001                 [page 1]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+For this Delivery Method, when an Event occurs, the Printer immediately
+sends an Event Notification via an email message to the Notification
+Recipient specified in the Subscription Object. The message body of the
+email consists of Human Consumable text that is not intended to be
+parsed by a machine.
+
+
+The Notification Recipient receives the Event Notification in the same
+way as it receives any other email message.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 2]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+The basic set of IPP documents includes:
+
+  Design Goals for an Internet Printing Protocol [RFC2567]
+  Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+  Internet Printing Protocol/1.1: Model and Semantics [ipp-mod]
+  Internet Printing Protocol/1.1: Encoding and Transport [ipp-pro]
+  Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+  Mapping between LPD and IPP Protocols [RFC2569]
+  Internet Printing Protocol (IPP): IPP Event Notification
+     Specification [ipp-ntfy]
+
+The "Design Goals for an Internet Printing Protocol" document takes a
+broad look at distributed printing functionality, and it enumerates
+real-life scenarios that help to clarify the features that need to be
+included in a printing protocol for the Internet.  It identifies
+requirements for three types of users: end users, operators, and
+administrators.  It calls out a subset of end user requirements that are
+satisfied in IPP/1.0.  A few OPTIONAL operator operations have been
+added to IPP/1.1.
+
+The "Rationale for the Structure and Model and Protocol for the Internet
+Printing Protocol" document describes IPP from a high level view,
+defines a roadmap for the various documents that form the suite of IPP
+specification documents, and gives background and rationale for the IETF
+working group's major decisions.
+
+The "Internet Printing Protocol/1.1: Model and Semantics" document
+describes a simplified model with abstract objects, their attributes,
+and their operations that are independent of encoding and transport.  It
+introduces a Printer and a Job object.  The Job object optionally
+supports multiple documents per Job.  It also addresses security,
+internationalization, and directory issues.
+
+The "Internet Printing Protocol/1.1: Encoding and Transport" document is
+a formal mapping of the abstract operations and attributes defined in
+the model document onto HTTP/1.1 [RFC2616].  It defines the encoding
+rules for a new Internet MIME media type called "application/ipp".  This
+document also defines the rules for transporting over HTTP a message
+body whose Content-Type is "application/ipp".  This document also
+defines a new scheme named 'ipp' for identifying IPP printers and jobs.
+
+The "Internet Printing Protocol/1.1: Implementer's Guide" document gives
+insight and advice to implementers of IPP clients and IPP objects.  It
+is intended to help them understand IPP/1.1 and some of the
+considerations that may assist them in the design of their client and/or
+IPP object implementations.  For example, a typical order of processing
+requests is given, including error checking.  Motivation for some of the
+specification decisions is also included.
+
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 3]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+The "Mapping between LPD and IPP Protocols" document gives some advice
+to implementers of gateways between IPP and LPD (Line Printer Daemon)
+implementations.
+
+
+The "Event Notification Specification" document describes an extension
+to the IPP/1.0, IPP/1.1, and future versions. This extension allows a
+client to subscribe to printing related Events. The Subscription Object
+specifies that when one of the specified Event occurs, the Printer sends
+an asynchronous Event Notification to the specified Notification
+Recipient via the specified Delivery Method (i.e., protocol).  A client
+associates Subscription Objects with a particular Job by performing the
+Create-Job-Subscriptions operation or by submitting a Job with
+subscription information.  A client associates Subscription Objects with
+the Printer by performing a Create-Printer-Subscriptions operation.
+Four other operations are defined for Subscription Objects: Get-
+Subscriptions-Attributes, Get-Subscriptions, Renew-Subscription, and
+Cancel-Subscription.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 4]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+                           Table of Contents
+
+1  Introduction ......................................................7
+
+2  Terminology .......................................................7
+
+3  Model and Operation ...............................................7
+
+4  General Information ...............................................9
+
+5  Subscription Template Attributes .................................11
+ 5.1  Additional Subscription Template Attributes ...................11
+   5.1.1  notify-mailto-text-only (boolean)..........................11
+ 5.2  Additional Information about Subscription Template Attributes .12
+   5.2.1  notify-recipient-uri (uri).................................12
+   5.2.2  notify-user-data (octetString(63)).........................12
+
+6  Event Notification Content .......................................13
+ 6.1  Headers .......................................................13
+   6.1.1  'Date' header..............................................13
+   6.1.2  'From' header..............................................14
+   6.1.3  'Subject' header...........................................14
+   6.1.4  'Sender' header............................................15
+   6.1.5  'Reply-to' header..........................................15
+   6.1.6  'To' header................................................15
+   6.1.7  'Content-type' header......................................16
+ 6.2  Message Body ..................................................16
+ 6.3  Plain Text Content ............................................17
+   6.3.1  Event Notification Content Common to All Events............18
+   6.3.2  Additional Event Notification Content for Job Events.......20
+   6.3.3  Additional Event Notification Content for Printer Events...21
+ 6.4  Examples ......................................................21
+   6.4.1  Job Event Example..........................................22
+   6.4.2  Printer Event Example......................................23
+   6.4.3  Printer Event Example (localized to  Danish)...............24
+
+7  Conformance Requirements .........................................25
+
+8  IANA Considerations ..............................................26
+
+9  Internationalization Considerations ..............................26
+
+10 Security Considerations ..........................................26
+
+11 References .......................................................27
+
+12 Author's Addresses ...............................................28
+
+13 Full Copyright Statement .........................................29
+
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 5]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+                            Table of Tables
+
+Table 1 - Information about the Delivery Method.......................9
+
+
+Table 2 - Additional Subscription Template Attributes................11
+
+
+Table 3 - Printer Name in Event Notification Content.................19
+
+
+Table 4 - Event Name in Event Notification Content...................19
+
+
+Table 5 - Job Name in Event Notification Content.....................20
+
+
+Table 6 - Job State in Event Notification Content....................20
+
+
+Table 7 - Printer State in Event Notification Content................21
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 6]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+1  Introduction
+
+The notification extension document [ipp-ntfy] defines operations that a
+client can perform in order to create Subscription Objects in a Printer
+and carry out other operations on them. A Subscription Object represents
+a Subscription abstraction. The Subscription Object specifies that when
+one of the specified Events occurs, the Printer sends an asynchronous
+Event Notification to the specified Notification Recipient via the
+specified Delivery Method (i.e., protocol).
+
+
+The notification extension document [ipp-ntfy] specifies that each
+Delivery Method is defined in another document. This document is one
+such document, and it specifies the 'mailto' delivery method.
+
+
+For this Delivery Method, when an Event occurs, the Printer immediately
+sends an Event Notification via an email message to the Notification
+Recipient specified in the Subscription Object. The message body of the
+email consists of Human Consumable text that is not intended to be
+parsed by a machine. The 'mailto' Delivery Method is a 'push' Delivery
+Method as defined in [ipp-ntfy].
+
+
+The Notification Recipient receives the Event Notification in the same
+way as it receives any other email message.
+
+
+2  Terminology
+
+This section defines the following terms that are used throughout this
+document:
+
+
+Capitalized terms, such as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD NOT,
+MAY, NEED NOT, and OPTIONAL, have special meaning relating to
+conformance to this specification.  These terms are defined in [ipp-mod
+section 13.1 on conformance terminology, most of which is taken from RFC
+2119 [RFC2119].
+
+
+For capitalized terms that appear in this document, see [ipp-ntfy].
+
+
+3  Model and Operation
+
+In a Subscription Creation Operation, when the value of the "notify-
+recipient-uri" attribute contains the scheme "mailto", the client is
+requesting that the Printer use the 'mailto' Delivery Method for Event
+Notifications generated from the new Subscription Object.
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 7]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+For this Delivery Method, the "notify-recipient-uri" attribute value
+MUST consist of a "mailto" scheme followed by a colon, and then followed
+by an address part (e.g. 'mailto:smith@abc.com'). See section 5.2.1 for
+the syntax of the "notify-recipient-uri" attribute value for this
+Delivery Method.
+
+
+A Printer MUST support SMTP [RFC821], and it MAY support other email
+protocols. A Printer MAY use additional services, such as SMTP delivery
+status notification [RFC1891] or S/MIME encryption [RFC2633].
+
+
+If the client wants the Printer to send Event Notifications via the
+'mailto' Delivery Method, the client MUST choose a value for "notify-
+recipient-uri" attribute which conforms to the rules of section 5.2.1.
+To avoid denial-of-service attacks, a client SHOULD NOT use distribution
+lists as the Notification Recipient.
+
+
+When an Event occurs, the Printer MUST immediately:
+
+
+  1. Find all pertinent Subscription Objects P according to the rules of
+     section 9 of [ipp-ntfy], AND
+
+
+  2. Find the subset M of these Subscription Objects P whose "notify-
+     recipient-uri" attribute has a scheme value of 'mailto', AND
+
+
+  3. For each Subscription Object in M, the Printer MUST
+
+
+     a)generate an email message as specified in section 5.2.2 AND
+
+
+     b)send the email message to the Notification Recipient specified
+       by the address part of the "notify-recipient-uri" attribute
+       value (see section 5.2.1).
+
+
+If the Printer supports only SMTP, it MUST send the email message via
+SMTP. If the Printer supports additional email protocols, it MUST
+determine the protocol from the address part of the "notify-recipient-
+uri" attribute value and then send the email message via the appropriate
+email protocol.
+
+
+When a Subscribing Client is subscribing to the 'job-progress' event
+(which is a frequently occurring event), it SHOULD supply the "notify-
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 8]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+time-interval" attribute (see [ipp-ntfy]) in the Subscription Creation
+request with a suitable value to limit the time between 'job-progress'
+Event Notifications sent by the Printer.
+
+
+4  General Information
+If a Printer supports this Delivery Method, the following are its
+characteristics.
+
+
+            Table 1 - Information about the Delivery Method
+
+
+
+  Document Method Conformance       Delivery Method Realization
+  Requirement
+
+
+  1.What is the URL scheme name     mailto
+    for the Delivery Method?
+
+  2.Is the Delivery Method
+    REQUIRED, RECOMMENDED, or
+    OPTIONAL for an IPP Printer to  RECOMMENDED
+    support?
+
+  3.What transport and delivery     A Printer MUST support SMTP. It MAY
+    protocols does the Printer use  support other email protocols.
+    to deliver the Event
+    Notification Content, i.e.,
+    what is the entire network
+    stack?
+
+  4.Can several Event               A Printer implementation MAY
+    Notifications be combined into  combine several Event Notifications
+    a Compound Event Notification?  into a single email message.
+
+  5.Is the Delivery Method          This Delivery Method is a push.
+    initiated by the Notification
+    Recipient (pull), or by the
+    Printer (push)?
+
+  6.Is the Event Notification       Human Consumable
+    content Machine Consumable or
+    Human Consumable?
+
+  7.What section in this document   Section 6
+    answers the following
+    question? For a Machine
+
+
+
+Herriot, et al.          Expires: March 1, 2001                 [page 9]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+
+    Consumable Event Notification,
+    what is the representation and
+    encoding of values defined in
+    section 9.1 of [ipp-ntfy] and
+    the conformance requirements
+    thereof? For a Human
+    Consumable Event Notification,
+    what is the representation and
+    encoding of pieces of
+    information defined in section
+    9.2 of [ipp-ntfy] and the
+    conformance requirements
+    thereof?
+
+  8.What are the latency and        Same as the underlying SMTP (or
+    reliability of the transport    other optional) email transport
+    and delivery protocol?
+
+  9.What are the security aspects   Same as the underlying SMTP (or
+    of the transport and delivery   other optional) email transport
+    protocol, e.g., how it is
+    handled in firewalls?
+
+  10.  What are the content length  None
+    restrictions?
+
+  11.  What are the additional      None
+    values or pieces of
+    information that a Printer
+    sends in an Event Notification
+    content and the conformance
+    requirements thereof?
+
+  12.  What are the additional      See section 5.1.1 on "notify-
+    Subscription Template and/or    mailto-text-only"
+    Subscription Description
+    attributes and the conformance
+    requirements thereof?
+
+  13.  What are the additional      None
+    Printer Description attributes
+    and the conformance
+    requirements thereof?
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 10]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+5  Subscription Template Attributes
+
+5.1 Additional Subscription Template Attributes
+
+
+This Delivery Method introduces one additional Subscription Template
+Attribute (See Table 2).
+
+
+         Table 2 - Additional Subscription Template Attributes
+
+
+
+Attribute in Subscription       Default and Supported Printer
+Object                          Attributes
+
+
+notify-mailto-text-only         N/A
+(boolean)
+
+
+5.1.1notify-mailto-text-only (boolean)
+
+
+When the Printer generates an Event Notification from a Subscription
+Object, this attribute specifies whether the Printer generates the Event
+Notification with only plain text (i.e. 'text/plain') or with Content-
+Types that the Printer chooses.
+
+
+The Printer MUST support this attribute if it supports the 'mailto'
+Delivery Method.
+
+
+A client MAY supply this attribute. If a client does not supply this
+attribute, the Printer MUST populate this attribute with the value of
+'false' on the Subscription Object. There is no "notify-mailto-text-
+only-default" attribute.
+
+
+If the value of this attribute is 'true' in a Subscription Object, the
+message body of each Event Notification that the Printer generates from
+the Subscription Object MUST contain plain text only (i.e. 'text/plain'
+with the charset specified by the "notify-charset' Subscription Object
+attribute).
+
+
+If the value of this attribute is 'false' in a Subscription Object, the
+Content-Type of the message body of each Event Notification that the
+Printer generates from the Subscription Object MUST be either
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 11]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+'text/plain' or  'multipart', depending on implementation. If the
+Content-Type is 'multipart', one message body of the 'multipart' MUST be
+the same as the 'text/plain' message body when this attribute has the
+value of 'true'. Each of the other message bodies of the 'multipart' MAY
+be any Content-Type (e.g. 'text/html',  'image/gif', 'audio/basic',
+etc.).
+
+
+A Printer MUST support both values ('true' and 'false') of this
+attribute. There is no "notify-mailto-text-only-supported" attribute.
+
+
+5.2 Additional Information about Subscription Template Attributes
+
+
+This section describes additional values for attributes defined in [ipp-
+ntfy].
+
+
+5.2.1notify-recipient-uri (uri)
+
+This section describes the syntax of the value of this attribute for the
+'mailto' Delivery Method. The syntax for values of this attribute for
+other Delivery Method is defined in other Delivery Method Documents.
+
+
+In order to support the 'mailto' Delivery Method, the Printer MUST
+support the following syntax for the 'mailto' Delivery Method when the
+Printer uses SMTP. The line below use RFC 822 syntax rules and terms.
+
+
+  "mailto:" mailbox
+
+Note: the above syntax allows 1 occurrence of  'mailbox'. The occurrence
+of 'mailbox' represents an email address of a Notification Recipient.
+
+For SMTP, the phrase 'address part' of the "notify-recipient-uri"
+attribute value refers to the 'mailbox' part of the value.
+
+The Printer MAY support other syntax for the 'address part' if it
+supports email protocols in addition to SMTP.
+
+
+5.2.2notify-user-data (octetString(63))
+
+This attributes has a special use for the 'mailto' Delivery Method. It
+specifies the email address of the Subscribing Client. It is primarily
+useful when the Notification Recipient is some person other than the
+Subscribing Client. Then the Notification Recipient has a way to reply
+to the Subscribing Client.
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 12]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+If a client specifies this Delivery Method in a Subscription Creation
+Operation, and the specified Notification Recipient is not associated
+with the same person as the client, the client SHOULD supply its email
+address as the value of the "notify-user-data" attribute. If the client
+does not supply this attribute, the Printer MUST NOT populate the
+Subscription Object with this attribute.
+
+
+6  Event Notification Content
+
+This section describes the content of an Event Notification sent via the
+'mailto' Delivery Method using the SMTP protocol.  This document does
+not describe the content for other email protocols, but an
+implementation should use this section as a model.
+
+
+When a Printer sends an email message via SMTP, the content MUST conform
+to RFC 822. The following sections define the content that a Printer
+MUST send. A Printer MAY send additional content as long as the
+resulting content conforms to RFC 822.
+
+
+Each subsection below specifies the syntax that pertains to the
+subsection. The syntax rules and syntactic terms (e.g. 'date-time') in
+each subsection come from RFC 822, except for the section on "Content-
+Type" which comes from RFC 1521.
+
+
+The Event Notification content has two parts, the headers and the
+message body. The headers precede the message body and are separated by
+a blank line (see [RFC 822]).
+
+
+6.1 Headers
+
+
+When a Printer sends an Event Notification via SMTP, it MUST include the
+following headers. RFC 822 RECOMMENDS that the headers be in the order
+that they appear below.
+
+
+6.1.1'Date' header
+
+Syntax:   "Date" ":" date-time
+
+This header contains the date and time that the Event occurred.
+
+The Printer MUST include a "Date" header if and only if it supports the
+"printer-current-time" Printer attribute.
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 13]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+6.1.2 'From' header
+
+Syntax:   "From" ":" mailbox
+
+  where
+
+     mailbox = addr-spec / phrase route-addr
+
+This header causes a typical email reader to show the email as coming
+from the Printer that is sending the Event Notification.
+
+The Printer MUST include a "From" header whose syntax is specified
+above.
+
+The Printer MUST use the second alternative of the syntax for 'mailbox'
+defined above (i.e. 'phrase route-addr').   The 'phrase' is the
+Printer's display name and it MUST be the value of the "printer-name"
+Printer attribute. The 'route-addr' MUST contain an email address
+(inside angle brackets) belonging to either an administrator or the
+output-device. This email address NEED NOT be capable of receiving mail.
+There is no Printer attribute to hold this email address, so that it
+cannot be configured using the IPP protocol without an implementation-
+defined attribute extension.
+
+
+6.1.3'Subject' header
+
+Syntax: "Subject"  ":"  *text
+
+This header specifies the subject of the message and contains a short
+summary of the Event Notification.
+
+The Printer MUST include a "Subject" header whose syntax is specified
+above.
+
+
+The Printer MUST localize the '*text' using the values of the "notify-
+charset" and "notify-natural-language" Subscription Object attributes.
+
+For Printer Events, the '*text' SHOULD start with the localized word
+"printer:", followed by the Printer name, and then followed by the
+localized Event name, e.g., in English: "printer: 'tiger' stopped" or in
+Danish: 'Printeren 'tiger' er standset'.
+
+For Job Events, the '*text' SHOULD start with the localized phrase
+"print job:", followed by the Job name, and then followed by the
+localized Event name, e.g., in English: "print job: 'financials'
+completed".
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 14]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+The wording is implementation dependent.  A Notification Recipient MUST
+NOT expect to be able to parse this text. But an email filter might look
+for "printer" or "print job".
+
+
+6.1.4 'Sender' header
+
+Syntax:   "Sender" ":" mailbox
+
+This header causes a typical email reader to show the email as coming on
+behalf of the person associated with the Subscribing Client.
+
+
+If the Subscription Object contains the "notify-user-data" attribute,
+and if its value satisfies the RFC 822 syntax rules for 'mailbox', the
+Printer MUST include a "Sender" header whose syntax is specified above.
+Otherwise, the Printer MUST NOT include a "Sender" header.
+
+For the "Sender" header, the 'mailbox' MUST be the value of the "notify-
+user-data" Subscription Object attribute. See section 5.2.2 for details
+about the "notify-user-data" attribute.
+
+
+6.1.5 'Reply-to' header
+
+Syntax:   "Reply-to" ":" mailbox
+
+If the Notification Recipient replies to Event Notification email, this
+header causes a typical email reader to send email to the person acting
+as the Subscribing Client. The rules are identical to the "Sender"
+header.
+
+
+If the Subscription Object contains the "notify-user-data" attribute,
+and if its value satisfies the RFC 822 syntax rules for "mailbox", the
+Printer MUST include a "Reply-to" header whose syntax is specified
+above. Otherwise, the Printer MUST NOT include a "Reply-to" header.
+
+For the "Reply-to" header, the "mailbox" MUST be the value of the
+"notify-user-data" Subscription Object attribute. See section 5.2.2 for
+details about the "notify-user-data" attribute.
+
+
+6.1.6 'To' header
+
+
+Syntax: "To"  ":" 1#mailbox
+
+See [RFC 1521] for the syntax.
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 15]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+This header specifies the Notification Recipient(s).
+
+The Printer MUST include a "To" header whose syntax is specified above.
+
+The '1#mailbox' MUST be the '1#mailbox' part of the value of the
+"notify-recipient-uri" Subscription attribute, i.e. the part after the
+"mailto:".
+
+
+6.1.7 'Content-type' header
+
+
+Syntax: "Content-Type"  ":" type  "/"  subtype  *(";"parameter)
+
+  See [RFC 1521] for the syntactic terms (e.g. 'type').
+
+This header specifies the format of the message body.
+
+The Printer MUST include the "Content-Type" header.
+
+The "notify-mailto-text-only" attribute determines the 'type' and
+'subtype' values.  The possible values are "text/plain" and "multipart"
+values.
+
+
+6.2 Message Body
+
+
+The message body MUST contain Human Consumable content as plain text. It
+MAY also contain other types of implementation dependent content.
+
+
+For plain text, the Content-Type of Human Consumable content MUST be
+'text/plain'. For implementation dependent content, the Content-Type of
+Human Consumable content MUST be 'multipart'. The Content-Type of one
+body part MUST be 'text/plain' and the Content-Types of the other body
+parts are implementation dependent. See section 6.3 for a description of
+plain text content.
+
+
+The following table shows the Content-Type of the message body for the
+"notify-mailto-text-only" attribute:
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 16]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+
+
+   "notify-        Content-Type    Message Body
+   mailto-text-    of Message
+   only"           Body
+   attribute
+
+
+   false           'text/plain'    Human Consumable
+
+   true            'text/plain'    Human Consumable plain
+                   or*             text
+
+                   'multipart'     Human Consumable where
+                                   one body part is plain
+                                   text
+
+
+
+  * The Content-Type depends on the implementation. A Printer MAY send
+  'text/plain' only or it MAY send several body parts of various
+  Content-Types within a message body whose Content-Type is
+  'multipart'.
+
+
+6.3 Plain Text Content
+
+
+When a Printer sends a plain text message, it MUST localize the text
+using the values of the "notify-charset" and "notify-natural-language"
+Subscription Object attributes.
+
+
+Section 9.2 in [ipp-ntfy] specifies the information that a Delivery
+Method MUST specify and a Printer SHOULD send.
+
+
+A Printer SHOULD send the following localized information in the message
+body. The specific wording of this information and its layout are
+implementation dependent.
+
+     a)the Printer name (see Table 3)
+     b)omitted (see below).
+     c)for Printer Events only:
+       i)   the Event (see Table 4) and/or Printer state information
+       (see Table 7)
+     d)for Job Events only:
+       i) the job identity (see Table 5)
+       ii)  the Event (see Table 4) and/or Job state information (see
+            Table 6)
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 17]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+Item b) in the above list is omitted because the Printer sends the time
+of the Event as an email header (see section 6.1.1  on the 'Date'
+header).
+
+
+The subsections of this section specify the attributes that a Printer
+MUST use to obtain this information.
+
+
+The Printer MAY send additional information, depending on
+implementation.
+
+
+Notification Recipients MUST NOT expect to be able to parse the message.
+
+
+The next three sections define the attributes in Event Notification
+Contents that are:
+
+
+     a)for all Events
+
+
+     b)for Job Events only
+
+
+     c)for Printer Events only
+
+
+6.3.1Event Notification Content Common to All Events
+
+
+The Printer MUST send the following information.
+
+
+There is a separate table for each piece of information. Each row in the
+table represents a source value for the information and the values are
+listed in order of preference, with the first one being the preferred
+one. An implementation SHOULD use the source value from the earliest row
+in each table. It MAY use the source value from another row instead, or
+it MAY combine the source values from several rows. An implementation is
+free to determine the best way to present this information.
+
+
+The tables in this section and following sections contain the following
+columns for each piece of information:
+
+
+     a)Source of Value: the name of the attribute that supplies the
+       value for the Event Notification
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 18]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+     b)Sends:
+
+          MAY: this is the only value used in the tables. It means that
+          the Printer OPTIONALLY sends this value.  However, the Printer
+          SHOULD use at least one value from each table.
+
+
+     c)Source Object: the object from which the source value comes.
+
+
+Table 3 lists the source of the information for the Printer Name. The
+"printer-name" is more user-friendly unless the Notification Recipient
+is in a place where the Printer name is not meaningful. For example, an
+implementation could have the intelligence to send the value of the
+"printer-name" attribute to a Notification Recipient that can access the
+Printer via value of the "printer-name" attribute and otherwise send the
+value of the "notify-printer-uri" attribute.
+
+
+          Table 3 - Printer Name in Event Notification Content
+
+
+
+Source Value                                 Sends      Source Object
+
+
+printer-name (name(127))                     MAY        Printer
+
+notify-printer-uri (uri)                     MAY        Subscription
+
+
+
+
+
+Table 4 lists the source of the information for the Event name. A
+Printer MAY combine this information with state information described
+for Jobs in Table 6 or for Printers in Table 7.
+
+
+           Table 4 - Event Name in Event Notification Content
+
+
+
+Source Value                                 Sends      Source Object
+
+
+notify-subscribed-event (type2 keyword)      MAY        Subscription
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 19]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+6.3.2Additional Event Notification Content for Job Events
+
+
+This section lists the source of the additional information that a
+Printer MUST send for Job Events.
+
+
+Table 5 lists the source of the information for the job name. The "job-
+name" is likely more meaningful to a user than "job-id".
+
+
+            Table 5 - Job Name in Event Notification Content
+
+
+
+Source Value                                 Sends      Source Object
+
+
+job-name (name(MAX))                         MAY        Job
+
+job-id (integer(1:MAX))                      MAY        Job
+
+
+
+
+
+Table 6 lists the source of the information for the job-state. If a
+Printer supports the "job-state-message" and "job-detailed-state-
+message" attributes, it SHOULD use those attributes for the job state
+information, otherwise, it should fabricate such information from the
+"job-state" and "job-state-reasons". For some Events, a Printer MAY
+combine this information with Event information.
+
+
+           Table 6 - Job State in Event Notification Content
+
+
+
+Source Value                                 Sends        Source
+                                                          Object
+
+
+job-state-message (text(MAX))                MAY        Job
+
+job-detailed-status-messages (1setOf         MAY        Job
+text(MAX))
+
+job-state (type1 enum)                       MAY        Job
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 20]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+
+
+Source Value                                 Sends        Source
+                                                          Object
+
+
+job-state-reasons (1setOf type2 keyword)     MAY        Job
+
+
+6.3.3Additional Event Notification Content for Printer Events
+
+
+This section lists the source of the additional information that a
+Printer MUST send for Printer Events.
+
+
+Table 7 lists the source of the information for the printer-state. If a
+Printer supports the "printer-state-message", it SHOULD use that
+attribute for the job state information, otherwise it SHOULD fabricate
+such information from the "printer-state" and "printer-state-reasons".
+For some Events, a Printer MAY combine this information with Event
+information.
+
+
+         Table 7 - Printer State in Event Notification Content
+
+
+
+Source Value                                 Sends       Source Object
+
+
+printer-state-message (text(MAX))            MAY         Printer
+
+printer-state (type1 enum)                   MAY         Printer
+
+printer-state-reasons (1setOf type2          MAY         Printer
+keyword)
+
+printer-is-accepting-jobs (boolean)          MAY         Printer
+
+
+6.4 Examples
+
+
+This section contains three examples. One is a Job Event and the other
+two are Printer Events, the latter in Danish.
+
+
+A Printer implementation NEED NOT generate Event Notification content
+that is identical or even similar to these examples. In fact it would be
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 21]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+unfortunate if every implementation copied these example as is. These
+examples merely show some possibilities and are not necessarily the best
+way to convey information about an Event.
+
+
+6.4.1Job Event Example
+
+
+This section contains an example of an Event Notification of a Job
+Event.
+
+
+A Subscribing Client Mike Jones (who works for xyz Corp.) performs a
+Subscription Creation Operation as part of the Print-Job operation on
+Printer "ipp://tiger@abc.com". Mike Jones specifies that the "job-name"
+is "financials". Mike is printing the Job for Bill Smith at abc Corp.
+The Subscription Object then has the following attributes:
+
+
+
+  Attribute Name              Attribute Value
+
+
+  notify-recipient-uri        mailto:bsmith@abc.com
+
+  notify-events               job-completed
+
+  notify-user-data            mjones@xyz.com
+
+  notify-mailto-text-only     true
+
+  notify-charset              us-ascii
+
+  notify-natural-language     en-us
+
+  notify-subscription-id      35692
+
+  notify-sequence-number      0
+
+  notify-printer-up-time      34593
+
+  notify-printer-uri          ipp://tiger@abc.com
+
+  notify-job-id               345
+
+  notify-subscriber-user-     mjones
+  name
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 22]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+When the Job completes, the Printer generates and sends the following
+email message:
+
+  Date: 17 Jul 00 1632 PDT
+  From: tiger <printAdmin@abc.com>
+  Subject: print job: 'financials' completed
+  Sender: mjones@xyz.com
+  Reply-to: mjones@xyz.com
+  To: bsmith@abc.com
+  Content-type: text/plain
+
+  printer: tiger
+  job: financials
+  job-state: completed
+
+The reader should note that the phrases are not identical to IPP
+keywords. They have been localized to English.
+
+
+6.4.2Printer Event Example
+
+
+This section contains an example of an Event Notification of a Printer
+Event.
+
+
+A Subscribing Client Peter Williams, a Printer admin, performs a Create-
+Printer-Subscriptions operation on Printer "ipp://tiger@abc.com". The
+Subscription Object then has the following attributes:
+
+
+
+  Attribute Name              Attribute Value
+
+
+  notify-recipient-uri        mailto:pwilliams@abc.com
+
+  notify-events               printer-state-changed
+
+  notify-mailto-text-only     true
+
+  notify-charset              us-ascii
+
+  notify-natural-language     en-us
+
+  notify-subscription-id      4623
+
+  notify-sequence-number      0
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 23]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+
+
+  Attribute Name              Attribute Value
+
+
+  notify-printer-uptime       23002
+
+  notify-printer-uri          ipp://tiger@abc.com
+
+  notify-lease-expiration-    0
+  time
+
+  notify-subscriber-user-     pwilliams
+  name
+
+
+When the Printer jams, the Printer generates and sends the following
+email message:
+
+  Date: 29 Aug 00 0832 PDT
+  From: tiger <printAdmin@abc.com>
+  Subject: printer: 'tiger' has stopped
+  To: pwilliams@abc.com
+  Content-type: text/plain
+
+  Printer tiger has stopped with a paper jam.
+
+
+The reader should note that the phrases are not identical to IPP
+keywords. They have been localized to English.
+
+
+6.4.3Printer Event Example (localized to  Danish)
+
+
+This section contains an example of an Event Notification of a Printer
+Event localized to Danish.
+
+
+A Subscribing Client Per Jensen, a Printer admin, performs a a Create-
+Printer-Subscriptions operation on Printer "ipp://tiger@def.dk". The
+Subscription Object then has the following attributes:
+
+
+
+  Attribute Name              Attribute Value
+
+
+  notify-recipient-uri        mailto:pjensen@def.dk
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 24]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+
+
+  Attribute Name              Attribute Value
+
+
+  notify-events               printer-state-changed
+
+  notify-mailto-text-only     true
+
+  notify-charset              utf-8
+
+  notify-natural-language     da
+
+  notify-subscription-id      50225
+
+  notify-sequence-number      0
+
+  notify-printer-uptime       53217
+
+  notify-printer-uri          ipp://tiger@def.dk
+
+  notify-lease-expiration-    0
+  time
+
+  notify-subscriber-user-     pjensen
+  name
+
+
+When the Printer jams, the Printer generates and sends the following
+email message:
+
+  Date: 29 Jan 00 0832 CET
+  From: tiger <admin@def.dk>
+  Subject: Printeren 'tiger' er standset
+  To: pjensen@def.dk
+  Content-type: text/plain;charset=utf-8
+
+  Printerens navn er 'tiger'.
+  Printeren er standset.
+  Aarsagen er papir stop.
+
+7  Conformance Requirements
+
+The 'mailto' Delivery Method is RECOMMENDED for a Printer to support.
+
+
+If the Printer supports the 'mailto' Delivery Method, the Printer MUST:
+
+
+1.meet the conformance requirements defined in [ipp-ntfy].
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 25]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+2.support the "notify-mailto-text-only " Subscription Object attribute
+  defined in section 5.1.1.
+
+
+3.support the syntax for the "notify-recipient-uri" Subscription Object
+  attribute defined in section 5.2.1
+
+
+4.support the use for the "notify-user-data" Subscription Object
+  attribute defined in section 5.2.2
+
+
+5.support SMTP for sending Event Notifications.
+
+
+6.support the 'text/plain' Content-Type for the message body.
+
+
+7.support sending Event Notification via email with the content
+  specified in section 5.2.
+
+
+8  IANA Considerations
+
+Because the 'mailto' URL scheme is already defined in a standards track
+document [RFC 2368] and registered with IANA, this document does not
+require anything further of IANA.
+
+
+9  Internationalization Considerations
+
+This Delivery Method presents no internationalization considerations
+beyond those covered in the [ipp-ntfy] document, and sections 6.1.3 and
+6.2 of this document.
+
+
+The Notification Recipient is expected to present the email as received
+because the Printer does all necessary localization to the Event
+Notification contents.
+
+
+10 Security Considerations
+
+The biggest security concern is that a Subscribing Client will cause
+unsolicited Event Notifications to be sent to third parties, potentially
+creating denial-of-service problems (i.e., spam).  The problem is even
+worse if the third parties are distribution lists.
+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 26]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+There exist scenarios where third party notification is required (see
+Scenario #2 and #3 in [ipp-not-req]).  The fully secure solution would
+require active agreement of all persons before they can become
+Notification Recipients.  However, requirement #9 in [ipp-req] ("There
+is no requirement for IPP Printer receiving the print request to
+validate the identity of an event recipient") argues against this.  To
+minimize the risk, a Printer could disallow third party Notification
+Recipients (a traditional facsimile model).
+
+
+The Delivery Method recommends that the Subscribing Client supply his or
+her email address as the value of the "notify-user-data" attribute in
+the Subscription Creation Operation when the Notification Recipient is a
+third party. To reduce the chance of spamming or identify the spammer, a
+Printer could disallow third party Notification Recipients if the
+Subscribing Client doesn't supply the "notify-user-data" attribute with
+a valid email address.
+
+
+Some firewall administrators prevent mail attachments from being
+accepted into their organizations because of the problem of the
+attachments containing computer viruses.  The 'mailto' Delivery Method
+allows the Subscribing Client to request that the Content-Type of a
+message body be 'text/plain'.
+
+
+11 References
+ [ipp-iig]
+     Hastings, T., Manros, C., Kugler, K, Holst H., Zehler, P.,
+     "Internet Printing Protocol/1.1:  draft-ietf-ipp-implementers-
+     guide-v11-01.txt, work in progress, May 9, 2000
+
+[ipp-mod]
+  R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell, "Internet
+Printing Protocol/1.0: Model and Semantics", <draft-ietf-ipp-model-v11-
+07.txt>, May 22, 2000.[ipp-ntfy]
+     Herriot, R., Hastings, T., Isaacson, S., Martin, J., deBry, R.,
+     Shepherd, M., Bergman, R., "Internet Printing Protocol/1.1: IPP
+     Event Notification Specification", <draft-ietf-ipp-not-spec-
+     04.txt>, August 30, 2000.
+
+[ipp-pro]
+     Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet Printing
+     Protocol/1.1: Encoding and Transport", draft-ietf-ipp-protocol-v11-
+     06.txt, May 20, 2000.
+
+[RFC821]
+     Jonathan B. Postel, "Simple Mail Transfer Protocol", RFC 821,
+     August, 1982.
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 27]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+[RFC822]
+     David H. Crocker, "Standard For The Format Of ARPA Internet Text
+     Messages", RFC 822, August 13, 1982.
+
+[RFC1341]
+     N. Borenstein, N. Freed, "MIME (Multipurpose Internet Mail
+     Extensions): Mechanisms for Specifying and Describing the Format of
+     Internet Message Bodies", RFC 1341, June, 1992.
+
+
+[RFC1521]
+
+     N. Borenstein, N. Freed, "MIME (Multipurpose Internet Mail
+     Extensions) Part One: Mechanisms for Specifying and Describing the
+     Format of Internet Message Bodies", RFC 1521, September 1993.
+
+[RFC1891]
+     K. Moore, "SMTP Service Extension for Delivery Status
+     Notifications", RFC 1891, January 1996
+
+[RFC2026]
+     S. Bradner, "The Internet Standards Process -- Revision 3", RFC
+     2026, October 1996.
+
+[RFC2046]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee,  "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+[RFC2368]
+     P. Hoffman, L. Masinter, J. Zawinski, "The mailto URL scheme", RFC
+     2616, July 1998.
+
+ [RFC2616]
+     R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P.
+     Leach, T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+     RFC 2616, June 1999.
+
+ [RFC2633]
+     B. Ramsdell, "S/MIME Version 3 Message Specification", RFC 2633,
+     June 1999.
+
+
+12 Author's Addresses
+
+   Robert Herriot
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 28]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   Email: robert.herriot@pahv.xerox.com
+
+   Henrik Holst
+   i-data international a/s
+   Vadstrupvej 35-43
+   2880 Bagsvaerd, Denmark
+
+   Phone: +45 4436-6000
+   Fax: +45 4436-6111
+   e-mail: hh@i-data.com
+
+   Tom Hastings
+   Xerox Corporation
+   737 Hawaii St.  ESAE 231
+   El Segundo, CA  90245
+
+   Phone: 310-333-6413
+   Fax: 310-333-5514
+   e-mail: hastings@cp10.es.xerox.com
+
+
+   Carl-Uno Manros
+   Xerox Corporation
+   737 Hawaii St.  ESAE 231
+   El Segundo, CA  90245
+
+   Phone: 310-333-8273
+   Fax: 310-333-5514
+   e-mail: manros@cp10.es.xerox.com
+
+
+13 Full Copyright Statement
+Copyright (C) The Internet Society (2000). All Rights Reserved.
+
+This document and translations of it may be copied and furnished to
+others, and derivative works that comment on or otherwise explain it or
+assist in its implementation may be prepared, copied, published and
+distributed, in whole or in part, without restriction of any kind,
+provided that the above copyright notice and this paragraph are included
+on all such copies and derivative works.  However, this document itself
+may not be modified in any way, such as by removing the copyright notice
+or references to the Internet Society or other Internet organizations,
+except as needed for the  purpose of developing Internet standards in
+which case the procedures for copyrights defined in the Internet
+Standards process must be followed, or as required to translate it into
+languages other than English.
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 29]
+
+
+PWG-DRAFT          IPP: The 'mailto:' Delivery Method    August 30, 2000
+
+
+The limited permissions granted above are perpetual and will not be
+revoked by the Internet Society or its successors or assigns.
+
+This document and the information contained herein is provided on an "AS
+IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK
+FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT
+INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
+FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
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+
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+
+
+
+
+
+Herriot, et al.          Expires: March 1, 2001                [page 30]
diff --git a/standards/draft-ietf-ipp-notify-poll-02.txt b/standards/draft-ietf-ipp-notify-poll-02.txt
new file mode 100644
index 000000000..b71529e91
--- /dev/null
+++ b/standards/draft-ietf-ipp-notify-poll-02.txt
@@ -0,0 +1,9 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<HTML><HEAD>
+<TITLE>404 Not Found</TITLE>
+</HEAD><BODY>
+<H1>Not Found</H1>
+The requested URL /internet-drafts/draft-ietf-ipp-notify-poll-02.txt was not found on this server.<P>
+<HR>
+<ADDRESS>Apache/1.3.11 Server at www2.ietf.org Port 80</ADDRESS>
+</BODY></HTML>
diff --git a/standards/draft-ietf-ipp-ops-admin-req-00.txt b/standards/draft-ietf-ipp-ops-admin-req-00.txt
new file mode 100644
index 000000000..c5a6ccfe4
--- /dev/null
+++ b/standards/draft-ietf-ipp-ops-admin-req-00.txt
@@ -0,0 +1,9 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<HTML><HEAD>
+<TITLE>404 Not Found</TITLE>
+</HEAD><BODY>
+<H1>Not Found</H1>
+The requested URL /internet-drafts/draft-ietf-ipp-ops-admin-req-00.txt was not found on this server.<P>
+<HR>
+<ADDRESS>Apache/1.3.11 Server at www2.ietf.org Port 80</ADDRESS>
+</BODY></HTML>
diff --git a/standards/draft-ietf-ipp-ops-set2-02.txt b/standards/draft-ietf-ipp-ops-set2-02.txt
new file mode 100644
index 000000000..ad575525b
--- /dev/null
+++ b/standards/draft-ietf-ipp-ops-set2-02.txt
@@ -0,0 +1,9 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<HTML><HEAD>
+<TITLE>404 Not Found</TITLE>
+</HEAD><BODY>
+<H1>Not Found</H1>
+The requested URL /internet-drafts/draft-ietf-ipp-ops-set2-02.txt was not found on this server.<P>
+<HR>
+<ADDRESS>Apache/1.3.11 Server at www2.ietf.org Port 80</ADDRESS>
+</BODY></HTML>
diff --git a/standards/draft-ietf-ipp-url-scheme-02.txt b/standards/draft-ietf-ipp-url-scheme-02.txt
new file mode 100644
index 000000000..2b5378c1f
--- /dev/null
+++ b/standards/draft-ietf-ipp-url-scheme-02.txt
@@ -0,0 +1,899 @@
+
+
+Internet Printing Protocol Working Group                     Bob Herriot
+INTERNET DRAFT                                         Xerox Corporation
+Expires 13 August 2001                                      Ira McDonald
+                                                          High North Inc
+[Target Category: Standards Track]                      13 February 2001
+
+                   Internet Printing Protocol (IPP):
+                             IPP URL Scheme
+                   <draft-ietf-ipp-url-scheme-02.txt>
+
+    Copyright (C) The Internet Society (2001). All Rights Reserved.
+
+
+Status of this Memo 
+
+   This document is an Internet-Draft and is in full conformance with
+   all provisions of Section 10 of RFC2026.  Internet-Drafts are working
+   documents of the Internet Engineering Task Force (IETF), its areas,
+   and its working groups.  Note that other groups may also distribute
+   working documents as Internet-Drafts.  
+   
+   Internet-Drafts are draft documents valid for a maximum of six months
+   and may be updated, replaced, or obsoleted by other documents at any 
+   time.  It is inappropriate to use Internet-Drafts as reference
+   material or to cite them other than as "work in progress." 
+   
+     The list of current Internet-Drafts can be accessed at
+     http://www.ietf.org/ietf/1id-abstracts.txt
+
+     The list of Internet-Draft Shadow Directories can be accessed at
+     http://www.ietf.org/shadow.html.
+
+
+Abstract 
+
+   This document is a product of the Internet Printing Protocol Working 
+   Group of the Internet Engineering Task Force (IETF).  Comments should
+   be submitted to the ipp@pwg.org mailing list.  
+   
+   This document is intended for use in registering the "ipp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC-2717].  This
+   document defines the "ipp" URL (Uniform Resource Locator) scheme for
+   specifying the location of an IPP Printer, IPP Job, or other IPP
+   object (defined in some future version of IPP) which implements the
+   IPP/1.1 Model [RFC-2911] and the IPP/1.1 Protocol encoding over HTTP 
+   [RFC-2910] or any later version of IPP.  The intended usage of the
+   "ipp" URL scheme is COMMON.  
+   
+   The IPP URL scheme defined in this document is based on the ABNF for
+   the HTTP URL scheme defined in HTTP/1.1 [RFC-2616], which is derived
+   from the URI Generic Syntax [RFC-2396] and further updated by
+   [RFC-2732] and [RFC-2373] (for IPv6 addresses in URLs).  An IPP URL
+   is transformed into an HTTP URL according to the rules specified in
+   section 5 of the IPP/1.1 Protocol [RFC-2910].  
+
+
+Herriot, McDonald            Expires 13 August 2001             [Page 1]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+                           Table of Contents
+
+1.  Introduction ...............................................       3
+2.  Terminology ................................................       4
+  2.1.  Conformance Terminology ................................       4
+  2.2.  Model Terminology ......................................       4
+3.  IPP Model for Printers and Jobs ............................       4
+4.  IPP URL Scheme .............................................       6
+  4.1.  IPP URL Scheme Applicability and Intended Usage ........       6
+  4.2.  IPP URL Scheme Associated IPP Port .....................       6
+  4.3.  IPP URL Scheme Associated MIME Type ....................       6
+  4.4.  IPP URL Scheme Character Encoding ......................       6
+  4.5.  IPP URL Scheme Syntax in ABNF ..........................       7
+    4.5.1.  IPP URL Examples ...................................       8
+    4.5.2.  IPP URL Comparisons ................................       9
+5.  Conformance Requirements ...................................      10
+  5.1.  Conformance Requirements for IPP Clients ...............      10
+  5.2.  Conformance Requirements for IPP Printers ..............      10
+6.  IANA Considerations ........................................      11
+7.  Internationalization Considerations ........................      11
+8.  Security Considerations ....................................      11
+9.  References .................................................      12
+10.  Acknowledgments ...........................................      13
+11.  Authors' Addresses ........................................      14
+12.  Appendix X - Change History ...............................      14
+13.  Full Copyright Statement ..................................      15
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, McDonald            Expires 13 August 2001             [Page 2]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+
+1.  Introduction
+
+   See section 1 'Introduction' in [RFC-2911] for a full description of
+   the IPP document set and overview information about IPP.  
+   
+   The open issues in this document each begin 'ISSUE_n:'.  
+   
+   This document is a product of the Internet Printing Protocol Working 
+   Group of the Internet Engineering Task Force (IETF).  Comments should
+   be submitted to the ipp@pwg.org mailing list.  
+   
+   This document is intended for use in registering the "ipp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC-2717].  This
+   document defines the "ipp" URL (Uniform Resource Locator) scheme for
+   specifying the location of an IPP Printer, IPP Job, or other IPP
+   object (defined in some future version of IPP) which implements the
+   IPP/1.1 Model [RFC-2911] and the IPP/1.1 Protocol encoding over HTTP 
+   [RFC-2910] or any later version of IPP.  The intended usage of the
+   "ipp" URL scheme is COMMON.  
+   
+   This document defines:  
+   - IPP URL scheme applicability and intended usage; 
+   - IPP URL scheme associated port (i.e., well-known port 631); 
+   - IPP URL scheme associated MIME type (i.e., "application/ipp"); 
+   - IPP URL scheme syntax in ABNF [RFC-2234]; 
+   - IPP URL scheme character encoding; 
+   - IPP URL scheme IANA, internationalization, and security
+     considerations.  
+   
+   This document is laid out as follows:  
+   - Section 2 is the terminology used throughout the document.  
+     
+   - Section 3 provides references to the IPP Printer and IPP Job object
+     model.  
+     
+   - Section 4 specifies IPP URL scheme.  
+     
+   - Section 5 specifies the conformance requirements for IPP Clients
+     and IPP Printers that claim conformance to this document.  
+     
+   - Section 6, 7, and 8 specify IANA, internationalization, and
+     security considerations.  
+     
+   - Sections 9, 10, 11, 12, and 13 list references, acknowledgements,
+     authors' addresses, change history, and full IETF copyright
+     statement.  
+
+
+
+
+Herriot, McDonald            Expires 13 August 2001             [Page 3]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+
+2.  Terminology
+
+   This specification document uses the terminology defined in this
+   section.  
+   
+   
+   2.1.  Conformance Terminology
+   
+   The uppercase terms "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
+   NOT" "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in
+   this document are to be interpreted as described in [RFC-2119].
+   These terms are used to specify conformance requirements for all
+   implementations of this specification.  
+   
+   
+   2.2.  Model Terminology
+   
+   See section 12.2 'Model Terminology' in [RFC-2911].  
+
+
+
+3.  IPP Model for Printers and Jobs
+
+   See section 2 'IPP Objects', section 2.1 'Printer Object', and
+   section 2.2 'Job Object' in [RFC-2911] for a full description of the
+   IPP object model and terminology.  
+   
+   In this document, "IPP Client" means the software (on some hardware
+   platform) that submits, monitors, and/or manages print jobs via
+   IPP/1.1 [RFC-2910] [RFC-2911], or any later version of IPP to a
+   spooler, gateway, or actual printing device.  
+   
+   In this document, "IPP Printer object" means the software (on some
+   hardware platform) that receives print jobs and/or printer/job
+   operations via IPP/1.1 [RFC-2910] [RFC-2911], or any later version of
+   IPP from an "IPP Client".  
+   
+   In this document, "IPP Printer" is a synonym for "IPP Printer
+   object".  
+   
+   In this document, "IPP Job object" means the set of attributes and
+   documents for one print job on an "IPP Printer".  
+   
+   In this document, "IPP Job" is a synonym for "IPP Job object".  
+   
+   In this document, "IPP URL" means a URL with the "ipp" scheme.  
+   
+   Note:  In this document, "IPP URL" is a synonym for "ipp_URL" (in
+   section 4 'IPP URL Scheme' of this document) and "ipp-URL" (in
+
+Herriot, McDonald            Expires 13 August 2001             [Page 4]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   section 5 'IPP URL Scheme' of [RFC-2910]).  
+
+
+
+
+
+
+
+
+
+
+
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+
+
+Herriot, McDonald            Expires 13 August 2001             [Page 5]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+
+4.  IPP URL Scheme
+
+   
+   
+   4.1.  IPP URL Scheme Applicability and Intended Usage
+   
+   This document is intended for use in registering the "ipp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC-2717].  This
+   document defines the "ipp" URL (Uniform Resource Locator) scheme for
+   specifying the location of an IPP Printer, IPP Job, or other IPP
+   object (defined in some future version of IPP) which implements the
+   IPP/1.1 Model [RFC-2911] and the IPP/1.1 Protocol encoding over HTTP 
+   [RFC-2910] or any later version of IPP.  The intended usage of the
+   "ipp" URL scheme is COMMON.  
+   
+   
+   
+   4.2.  IPP URL Scheme Associated IPP Port
+   
+   All IPP URLs which do NOT explicitly specify a port MUST be used over
+   IANA-assigned well-known port 631 for the IPP protocol described in
+   [RFC-2910].  
+   
+   See:  IANA Port Numbers Registry [IANA-PORTREG].  registration with
+   IANA.  
+   
+   
+   
+   4.3.  IPP URL Scheme Associated MIME Type
+   
+   All IPP protocol operations (requests and responses) MUST be conveyed
+   in an "application/ipp" MIME media type as registered in
+   [IANA-MIMEREG].  IPP URLs MUST refer to IPP Printers which support
+   this "application/ipp" MIME media type.  
+   
+   See:  IANA MIME Media Types Registry [IANA-MIMEREG].  
+   
+   
+   
+   4.4.  IPP URL Scheme Character Encoding
+   
+   The IPP URL scheme defined in this document is based on the ABNF for
+   the HTTP URL scheme defined in HTTP/1.1 [RFC-2616], which is derived
+   from the URI Generic Syntax [RFC-2396] and further updated by
+   [RFC-2732] and [RFC-2373] (for IPv6 addresses in URLs).  The IPP URL
+   scheme is case-insensitive in the host name or host address part;
+   however the path part is case-sensitive, as in [RFC-2396].
+   Codepoints outside [US-ASCII] MUST be hex escaped by the mechanism
+   specified in [RFC-2396].  
+
+Herriot, McDonald            Expires 13 August 2001             [Page 6]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   
+   
+   
+   4.5.  IPP URL Scheme Syntax in ABNF
+   
+   Note:  In this document, "IPP URL" is a synonym for "ipp_URL" (in
+   section 4 'IPP URL Scheme' of this document) and "ipp-URL" (in
+   section 5 'IPP URL Scheme' of [RFC-2910]).  
+   
+   This document is intended for use in registering the "ipp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC-2717].  This
+   document defines the "ipp" URL (Uniform Resource Locator) scheme for
+   specifying the location of an IPP Printer, IPP Job, or other IPP
+   object (defined in some future version of IPP) which implements the
+   IPP/1.1 Model [RFC-2911] and the IPP/1.1 Protocol encoding over HTTP 
+   [RFC-2910] or any later version of IPP.  The intended usage of the
+   "ipp" URL scheme is COMMON.  
+   
+   The IPP protocol places a limit of 1023 octets (NOT characters) on
+   the length of a URI (see section 4.1.5 'uri' in [RFC-2911]).  An IPP
+   Printer MUST return 'client-error-request-value-too-long' (see
+   section 13.1.4.10 in [RFC-2911]) when a URI received in a request
+   (e.g., in the "printer-uri" attribute) is too long.  
+   
+      Note:  IPP Printers ought to be cautious about depending on URI
+      lengths above 255 bytes, because some older client or proxy
+      implementations might not properly support these lengths.  
+   
+   IPP URLs MUST be represented in absolute form.  Absolute URLs always 
+   begin with a scheme name followed by a colon.  For definitive
+   information on URL syntax and semantics, see "Uniform Resource
+   Identifiers (URI): Generic Syntax and Semantics" [RFC-2396].  This
+   specification adopts the definitions of "URI-reference",
+   "absoluteURI", "relativeURI", "port", "host","abs_path", "rel_path",
+   and "authority" from [RFC-2396], as updated by [RFC-2732] and
+   [RFC-2373] (for IPv6 addresses in URLs).  
+   
+   The IPP URL scheme syntax in ABNF is as follows:  
+   
+   ipp_URL = "ipp:" "//" host [ ":" port ] [ abs_path [ "?" query ]]
+   
+   If the port is empty or not given, port 631 is assumed.  The
+   semantics are that the identified resource (see section 5.1.2 of
+   [RFC-2616]) is located at the IPP Printer or IPP Job listening for
+   HTTP connections on that port of that host, and the Request-URI for
+   the identified resource is 'abs_path'.  
+   
+   Note:  The use of IP addresses in URLs SHOULD be avoided whenever
+   possible (see [RFC-1900]).  
+   
+   If the 'abs_path' is not present in the URL, it MUST be given as "/" 
+
+Herriot, McDonald            Expires 13 August 2001             [Page 7]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   when used as a Request-URI for a resource (see section 5.1.2 of
+   [RFC-2616]).  If a proxy receives a host name which is not a fully
+   qualified domain name, it MAY add its domain to the host name it
+   received.  If a proxy receives a fully qualified domain name, the
+   proxy MUST NOT change the host name.  
+   
+   
+   
+   4.5.1.  IPP URL Examples
+   
+   The following are examples of valid IPP URLs for IPP Printers:  
+   
+       ipp://abc.com
+       ipp://abc.com/printer
+       ipp://abc.com/tiger
+       ipp://abc.com/printers/tiger
+       ipp://abc.com/printers/fox
+       ipp://abc.com/printers/tiger/bob
+       ipp://abc.com/printers/tiger/ira
+       ipp://printer.abc.com
+       ipp://printers.abc.com/tiger
+       ipp://printers.abc.com/tiger/bob
+       ipp://printers.abc.com/tiger/ira
+   
+   Each of the above URLs are legitimate URLs for IPP Printers and each 
+   references a logically different IPP Printer, even though some of the
+   IPP Printers may share the same hardware.  The last part of the path 
+   'bob' or 'ira' may represent two different hardware devices where
+   'tiger' represents some grouping of IPP Printers (e.g., a
+   load-balancing spooler) or the two names may represent separate human
+   recipients ('bob' and 'ira') on the same hardware device (e.g., a
+   printer supporting two job queues).  In either case both 'bob' and
+   'ira' behave as different IPP Printers.  
+   
+   The following are examples of IPP URLs with (optional) ports and
+   paths:  
+   
+       ipp://abc.com
+       ipp://abc.com/~smith/printer
+       ipp://abc.com:631/~smith/printer
+   
+   The first and second IPP URLs above MUST be resolved to port 631
+   (IANA assigned well-known port for IPP).  The second and third IPP
+   URLs above are equivalent (see section 4.5.2 below).  
+   
+   Note:  The use of IP addresses in URLs SHOULD be avoided whenever
+   possible (see [RFC-1900]).  
+   
+   The following literal IPv4 addresses:  
+   
+
+
+Herriot, McDonald            Expires 13 August 2001             [Page 8]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+       192.9.5.5                           ; IPv4 address in IPv4 style
+       186.7.8.9                           ; IPv4 address in IPv4 style
+   
+   are represented in the following example IPP URLs:  
+   
+       ipp://192.9.5.5/prt1
+       ipp://186.7.8.9/printers/tiger/bob
+   
+   The following literal IPv6 addresses (conformant to [RFC-2373]):  
+   
+       ::192.9.5.5                         ; IPv4 address in IPv6 style
+       ::FFFF:129.144.52.38                ; IPv4 address in IPv6 style
+       2010:836B:4179::836B:4179           ; IPv6 address per RFC 2373
+   
+   are represented in the following example IPP URLs:  
+   
+       ipp://[::192.9.5.5]/prt1
+       ipp://[::FFFF:129.144.52.38]:631/printers/tiger
+       ipp://[2010:836B:4179::836B:4179]/printers/tiger/bob
+   
+   
+   
+   4.5.2.  IPP URL Comparisons
+   
+   When comparing two IPP URLs to decide if they match or not, an IPP
+   Client SHOULD use a case-sensitive octet-by-octet comparison of the
+   entire URLs, with these exceptions:  
+   
+   - A port that is empty or not given is equivalent to the well-known
+     port for that IPP URL (port 631);
+   
+   - Comparisons of host names MUST be case-insensitive;
+   
+   - Comparisons of scheme names MUST be case-insensitive;
+   
+   - An empty 'abs_path' is equivalent to an 'abs_path' of "/".
+   
+   Characters other than those in the "reserved" and "unsafe" sets (see 
+   [RFC-2396] and [RFC-2732]) are equivalent to their ""%" HEX HEX"
+   encoding.  
+   
+   For example, the following three URIs are equivalent:  
+   
+       ipp://abc.com:631/~smith/printer
+       ipp://ABC.com/%7Esmith/printer
+       ipp://ABC.com:/%7esmith/printer
+
+
+
+
+
+
+Herriot, McDonald            Expires 13 August 2001             [Page 9]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+
+5.  Conformance Requirements
+
+   
+   
+   5.1.  Conformance Requirements for IPP Clients
+   
+   IPP Clients that conform to this specification:  
+   
+   a) MUST send IPP URLs (e.g., in the "printer-uri" operation attribute
+      in 'Print-Job') that conform to the ABNF specified in section 4.5 
+      of this document; 
+      
+   b) MUST send IPP operations via the port specified in the IPP URL (if
+      present) or otherwise via IANA assigned well-known port 631; 
+      
+   c) MUST convert IPP URLs to their corresponding HTTP URL forms
+      according to the rules in section 5 'IPP URL Scheme' in
+      [RFC-2910]; 
+      
+   d) SHOULD interoperate with IPP/1.0 Printers according to the rules
+      in section 9 'Interoperability with IPP/1.0 Implementations' and
+      section 9.2 'Security and URL Schemes' in [RFC-2910].  
+   
+   
+   
+   5.2.  Conformance Requirements for IPP Printers
+   
+   IPP Printers that conform to this specification:  
+   
+   a) SHOULD reject received IPP URLs in "application/ipp" request
+      bodies (e.g., in the "printer-uri" attribute in a 'Print-Job'
+      request) that do not conform to the ABNF for IPP URLs specified in
+      section 4.5 of this document; 
+      
+   b) SHOULD return IPP URLs in "application/ipp" response bodies (e.g.,
+      in the "job-uri" attribute in a 'Print-Job' response) that do
+      conform to the ABNF for IPP URLs specified in section 4.5 of this 
+      document; 
+      
+   c) MUST listen for IPP operations on IANA-assigned well-known port
+      631, unless explicitly configured by system administrators or site
+      policies; 
+      
+   d) SHOULD NOT listen for IPP operations on any other port, unless
+      explicitly configured by system administrators or site policies; 
+      
+   e) SHOULD interoperate with IPP/1.0 Clients according to the rules in
+      section 9 'Interoperability with IPP/1.0 Implementations' and
+      section 9.2 'Security and URL Schemes' in [RFC-2910].  
+
+Herriot, McDonald            Expires 13 August 2001            [Page 10]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+
+6.  IANA Considerations
+
+   This document is intended for use in registering the "ipp" URL scheme
+   with IANA and fully conforms to the requirements in [RFC-2717].  This
+   document defines the "ipp" URL (Uniform Resource Locator) scheme for
+   specifying the location of an IPP Printer, IPP Job, or other IPP
+   object (defined in some future version of IPP) which implements the
+   IPP/1.1 Model [RFC-2911] and the IPP/1.1 Protocol encoding over HTTP 
+   [RFC-2910] or any later version of IPP.  The intended usage of the
+   "ipp" URL scheme is COMMON.  
+   
+   This IPP URL Scheme specification does not introduce any additional
+   IANA considerations, beyond those described in [RFC-2910] and
+   [RFC-2911].  
+   
+   See:  Section 6 'IANA Considerations' in [RFC-2910] 
+   See:  Section 6 'IANA Considerations' in [RFC-2911].  
+
+
+
+7.  Internationalization Considerations
+
+   This IPP URL Scheme specification does not introduce any additional
+   internationalization considerations, beyond those described in
+   [RFC-2910] and [RFC-2911].  
+   
+   See:  Section 7 'Internationalization Considerations' in [RFC-2910].
+   See:  Section 7 'Internationalization Considerations' in [RFC-2911].
+
+
+
+8.  Security Considerations
+
+   This IPP URL Scheme specification does not introduce any additional
+   security considerations, beyond those described in [RFC-2910] and
+   [RFC-2911].  
+   
+   See:  Section 8 'Security Considerations' in [RFC-2910].  
+   See:  Section 8 'Security Considerations' in [RFC-2911].  
+
+
+
+
+
+
+
+
+
+
+
+Herriot, McDonald            Expires 13 August 2001            [Page 11]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+
+
+9.  References
+
+   See:  Section 10 'References' in [RFC-2910].  
+   See:  Section 9 'References' in [RFC-2911].  
+   
+   [IANA-CHARREG] IANA Charset Registry.
+   ftp://ftp.isi.edu/in-notes/iana/assignments/character-sets 
+   
+   [IANA-MIMEREG] IANA MIME Media Types Registry.
+   ftp://ftp.isi.edu/in-notes/iana/assignments/media-types/...  
+   
+   [IANA-PORTREG] IANA Port Numbers Registry.
+   ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 
+   
+   [NET-SSL3] Netscape.  The SSL Protocol, Version 3 (text version
+   3.02), November 1996.  
+   
+   [RFC-1759] R. Smith, F. Wright, T. Hastings, S. Zilles,
+   J. Gyllenskog.  Printer MIB, RFC 1759, March 1995.  
+   
+   [RFC-1900] B. Carpenter, Y. Rekhter.  Renumbering Needs Work, RFC
+   1900, February 1996.  
+   
+   [RFC-2046] N. Freed, N. Borenstein.  MIME Part Two: Media Types, RFC
+   2046, November 1996.  
+   
+   [RFC-2048] N. Freed, J. Klensin, J. Postel.  MIME Part
+   Four: Registration Procedures, RFC 2048, November 1996.  
+   
+   [RFC-2234] D. Crocker, P. Overell.  Augmented BNF for Syntax
+   Specifications: ABNF, RFC 2234, November 1997.  
+   
+   [RFC-2373] R. Hinden, S. Deering.  IP Version 6 Addressing
+   Architecture, RFC 2373, July 1998.  
+   
+   [RFC-2396] T. Berners-Lee, R. Fielding, L. Masinter.  Uniform
+   Resource Identifiers (URI): Generic Syntax, RFC 2396, August 1998.  
+   
+   [RFC-2246] T. Dierks, C. Allen.  The TLS Protocol Version, RFC 2246,
+   January 1999.  
+   
+   [RFC-2277] H. Alvestrand.  IETF Policy on Character Sets and
+   Languages, RFC 2277, January 1998.  
+   
+   [RFC-2279] F. Yergeau.  UTF-8, a Transformation Format of ISO 10646,
+   RFC 2279, January 1998.  
+   
+   [RFC-2565] R. Herriot, S. Butler, P. Moore, R. Turner.  IPP/1.0
+   Encoding and Transport, RFC 2565, April 1999 (Experimental).  
+
+Herriot, McDonald            Expires 13 August 2001            [Page 12]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   
+   [RFC-2566] R. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell.
+   IPP/1.0 Model and Semantics, RFC 2566, April 1999 (Experimental).  
+   
+   [RFC-2579] K. McCloghrie, D. Perkins, J. Schoenwaelder.  Textual
+   Conventions for SMIv2, RFC 2579, April 1999.  
+   
+   [RFC-2616] R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter,
+   P. Leach, T. Berners-Lee.  Hypertext Transfer Protocol -- HTTP/1.1,
+   RFC 2616, June 1999.  
+   
+   [RFC-2617] J. Franks, P. Hallam-Baker, J. Hostetler, S. Lawrence,
+   P. Leach, A. Luotonen, L. Stewart.  HTTP Authentication:  Basic and
+   Digest Access Authentication, RFC 2617, June 1999.  
+   
+   [RFC-2717] R. Petke, I. King.  Registration Procedures for URL Scheme
+   Names, RFC 2717, November 1999.  
+   
+   [RFC-2718] L. Masinter, H. Alvestrand, D. Zigmond, R. Petke.
+   Guidelines for new URL Scheme Names, RFC 2718, November 1999.  
+   
+   [RFC-2732] R. Hinden,B. Carpenter, L. Masinter.  Format for Literal
+   IPv6 Addresses in URL's, RFC 2732, December 1999.  
+   
+   [RFC-2910] R. Herriot, S. Butler, P. Moore, R. Turner, J. Wenn.
+   IPP/1.1 Encoding and Transport, RFC 2910, September 2000.  
+   
+   [RFC-2911] T. Hastings, R. Herriot, R. deBry, S. Isaacson, P. Powell.
+   IPP/1.1 Model and Semantics, RFC 2911, September 2000.  
+   
+   [RFC-2978] N. Freed, J. Postel.  IANA Charset Registration
+   Procedures, RFC 2978, October 2000.  
+   
+   [RFC-3066] H. Alvestrand.  Tags for the Identification of Languages,
+   RFC 3066, January 2001.  
+   
+   [US-ASCII] Coded Character Set -- 7-bit American Standard Code for
+   Information Interchange, ANSI X3.4-1986.  
+
+
+
+10.  Acknowledgments
+
+   This document is a product of the Internet Printing Protocol Working 
+   Group of the Internet Engineering Task Force (IETF).  Comments should
+   be submitted to the ipp@pwg.org mailing list.  
+   
+   Thanks to Pat Fleming (IBM), Tom Hastings (Xerox), Harry Lewis (IBM),
+   and Hugo Parra (Novell).  
+   
+   Section 5 'IPP URL Scheme' in IPP/1.1 Encoding and Transport
+
+Herriot, McDonald            Expires 13 August 2001            [Page 13]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   [RFC-2910] was the primary input to this IPP URL Scheme
+   specification.  
+
+
+
+11.  Authors' Addresses
+
+   Robert Herriot
+   Xerox Corporation
+   3400 Hill View Ave, Building 1
+   Palo Alto, CA 94304
+   
+   Phone: +1 650-813-7696
+   Fax:   +1 650-813-6860
+   Email: robert.herriot@pahv.xerox.com
+   
+   
+   Ira McDonald
+   High North Inc
+   221 Ridge Ave
+   Grand Marais, MI  49839
+   
+   Phone: +1 906-494-2434
+   Email: imcdonald@crt.xerox.com
+   Email: imcdonald@sharplabs.com
+
+
+
+12.  Appendix X - Change History
+
+   [To be deleted before RFC publication] 
+   
+   13 February 2001 - draft-ietf-ipp-url-scheme-02.txt 
+   - revised section 3 'IPP Model for Printers and Jobs' and section 4.5
+     'IPP URL Scheme Syntax in ABNF' to add notes stating that "IPP URL"
+     (in this document) is a synonym for "ipp-URL" in [RFC-2910], per
+     request of Bob Herriot; 
+   - revised section 4.5 'IPP URL Scheme Syntax in ABNF' to correct typo
+     that showed "http:" rather than "ipp:" in the one-line ABNF, per
+     request of Tom Hastings; 
+   - revised section 4.5.1 'IPP URL Examples' to add a note discouraging
+     the use of literal IP addresses in URLs, per [RFC-2616] and
+     [RFC-1900]; 
+   
+   5 February 2001 - draft-ietf-ipp-url-scheme-01.txt 
+   - revised section 4.1 'IPP URL Applicability and Intended Usage' to
+     clarify that a given IPP URL MAY identify an IPP Printer object or 
+     an IPP Job object, per request of Tom Hastings; 
+   - revised section 4.5 'IPP URL Scheme Syntax in ABNF' to define IPP
+     URLs consistently with section 3.2.2 'http URL' of HTTP/1.1
+     [RFC-2616], per request of Tom Hastings; 
+
+Herriot, McDonald            Expires 13 August 2001            [Page 14]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   - revised section 4.5 'IPP URL Scheme Syntax in ABNF' to clarify that
+     IPP URLs may reference IPP Printer objects, IPP Job objects, or
+     (possibly other future) IPP objects, per request of Bob Herriot; 
+   - added section 4.5.1 'IPP URL Examples' to supply meaningful
+     examples of IPP URLs with host names, IPv4 addresses, and IPv6
+     addresses, per request of Tom Hastings; 
+   - added section 4.5.2 'IPP URL Comparisons' to define IPP URL
+     comparisons consistently with section 3.3 'URI Comparison' of
+     HTTP/1.1 [RFC-2616], per request of Tom Hastings; 
+   - revised section 5.1 'Conformance Requirements for IPP Clients' to
+     clarify that an IPP Client MUST convert IPP URLs to their
+     corresponding HTTP URL forms according to section 5 'IPP URL
+     Scheme' in [RFC-2910], per request of Tom Hastings and Bob Herriot;
+   - revised section 5.1 'Conformance Requirements for IPP Clients' and
+     section 5.2 'Conformance Requirements for IPP Printers' to clarify
+     that IPP Clients and IPP Printers SHOULD interoperate with IPP/1.0
+     systems according to section 9 'Interoperability with IPP/1.0
+     Implementations' in [RFC-2910], per request of Carl Kugler; 
+   - revised section 5.2 'Conformance Requirements for IPP Printers' to 
+     clarify that an IPP Printer MUST listen on (IANA assigned
+     well-known) port 631, unless explicitly configured, per request of
+     Michael Sweet; 
+   - revised section 5.2 'Conformance Requirements for IPP Printers' to 
+     clarify that an IPP Printer SHOULD NOT listen on ports other than
+     (IANA assigned well-known) port 631, unless explicitly configured, 
+     per request of Don Wright; 
+   - revised section 6 'IANA Considerations' to clarify that the sole
+     purpose of the entire document is IANA registration of the "ipp"
+     URL scheme; 
+   - deleted Appendix A 'Registration of IPP Port' as unnecessary (port
+     is already registered); 
+   - deleted Appendix B 'Registration of MIME "application/ipp" as
+     unnecessary (MIME registry has recently caught up to RFC 2910); 
+   
+   11 January 2001 - draft-ietf-ipp-url-scheme-00.txt 
+   - initial version - simple "ipp" URL scheme without parameters or
+     query part (consistent with existing and IPP/1.1 implementations); 
+   - added Appendix A 'Registration of IPP Port' (placeholder) for
+     updated IANA registration of port 631 with references to IPP/1.1; 
+   - added Appendix B 'Registration of MIME "application/ipp"' with
+     updated IANA registration for IPP MIME type with references to both
+     IPP/1.0 and IPP/1.1; 
+   
+
+
+
+13.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001).  All Rights Reserved.  
+   
+   This document and translations of it may be copied and furnished to
+
+Herriot, McDonald            Expires 13 August 2001            [Page 15]
+
+Internet Draft              IPP URL Scheme              13 February 2001
+
+   others, and derivative works that comment on or otherwise explain it 
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.  
+   
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.  
+   
+   This document and the information contained herein is provided on an 
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, McDonald            Expires 13 August 2001            [Page 16]
diff --git a/standards/rfc1179.txt b/standards/rfc1179.txt
new file mode 100644
index 000000000..ef59411f7
--- /dev/null
+++ b/standards/rfc1179.txt
@@ -0,0 +1,787 @@
+
+
+
+
+
+
+Network Printing Working Group                 L. McLaughlin III, Editor
+Request for Comments:  1179                         The Wollongong Group
+                                                             August 1990
+
+
+                      Line Printer Daemon Protocol
+
+Status of this Memo
+
+   This RFC describes an existing print server protocol widely used on
+   the Internet for communicating between line printer daemons (both
+   clients and servers).  This memo is for informational purposes only,
+   and does not specify an Internet standard.  Please refer to the
+   current edition of the "IAB Official Protocol Standards" for the
+   standardization state and status of this protocol.  Distribution of
+   this memo is unlimited.
+
+1. Introduction
+
+   The Berkeley versions of the Unix(tm) operating system provide line
+   printer spooling with a collection of programs: lpr (assign to
+   queue), lpq (display the queue), lprm (remove from queue), and lpc
+   (control the queue).  These programs interact with an autonomous
+   process called the line printer daemon.  This RFC describes the
+   protocols with which a line printer daemon client may control
+   printing.
+
+   This memo is based almost entirely on the work of Robert Knight at
+   Princeton University.  I gratefully acknowledge his efforts in
+   deciphering the UNIX lpr protocol and producing earlier versions of
+   this document.
+
+2. Model of Printing Environment
+
+   A group of hosts request services from a line printer daemon process
+   running on a host.  The services provided by the process are related
+   to printing jobs.  A printing job produces output from one file.
+   Each job will have a unique job number which is between 0 and 999,
+   inclusive.  The jobs are requested by users which have names.  These
+   user names may not start with a digit.
+
+3. Specification of the Protocol
+
+   The specification includes file formats for the control and data
+   files as well as messages used by the protocol.
+
+
+
+
+
+
+McLaughlin                                                      [Page 1]
+
+RFC 1179                          LPR                        August 1990
+
+
+3.1 Message formats
+
+   LPR is a a TCP-based protocol.  The port on which a line printer
+   daemon listens is 515.  The source port must be in the range 721 to
+   731, inclusive.  A line printer daemon responds to commands send to
+   its port.  All commands begin with a single octet code, which is a
+   binary number which represents the requested function.  The code is
+   immediately followed by the ASCII name of the printer queue name on
+   which the function is to be performed.  If there are other operands
+   to the command, they are separated from the printer queue name with
+   white space (ASCII space, horizontal tab, vertical tab, and form
+   feed).  The end of the command is indicated with an ASCII line feed
+   character.
+
+4. Diagram Conventions
+
+   The diagrams in the rest of this RFC use these conventions.  These
+   diagrams show the format of an octet stream sent to the server.  The
+   outermost box represents this stream.  Each box within the outermost
+   one shows one portion of the stream.  If the contents of the box is
+   two decimal digits, this indicates that the binary 8 bit value is to
+   be used.  If the contents is two uppercase letters, this indicates
+   that the corresponding ASCII control character is to be used.  An
+   exception to this is that the character SP can be interpreted as
+   white space.  (See the preceding section for a definition.)  If the
+   contents is a single letter, the ASCII code for this letter must be
+   sent.  Otherwise, the contents are intended to be mnemonic of the
+   contents of the field which is a sequence of octets.
+
+5. Daemon commands
+
+   The verbs in the command names should be interpreted as statements
+   made to the daemon.  Thus, the command "Print any waiting jobs" is an
+   imperative to the line printer daemon to which it is sent.  A new
+   connection must be made for each command to be given to the daemon.
+
+5.1 01 - Print any waiting jobs
+
+      +----+-------+----+
+      | 01 | Queue | LF |
+      +----+-------+----+
+      Command code - 1
+      Operand - Printer queue name
+
+   This command starts the printing process if it not already running.
+
+
+
+
+
+
+McLaughlin                                                      [Page 2]
+
+RFC 1179                          LPR                        August 1990
+
+
+5.2 02 - Receive a printer job
+
+      +----+-------+----+
+      | 02 | Queue | LF |
+      +----+-------+----+
+      Command code - 2
+      Operand - Printer queue name
+
+   Receiving a job is controlled by a second level of commands.  The
+   daemon is given commands by sending them over the same connection.
+   The commands are described in the next section (6).
+
+   After this command is sent, the client must read an acknowledgement
+   octet from the daemon.  A positive acknowledgement is an octet of
+   zero bits.  A negative acknowledgement is an octet of any other
+   pattern.
+
+5.3 03 - Send queue state (short)
+
+      +----+-------+----+------+----+
+      | 03 | Queue | SP | List | LF |
+      +----+-------+----+------+----+
+      Command code - 3
+      Operand 1 - Printer queue name
+      Other operands - User names or job numbers
+
+   If the user names or job numbers or both are supplied then only those
+   jobs for those users or with those numbers will be sent.
+
+   The response is an ASCII stream which describes the printer queue.
+   The stream continues until the connection closes.  Ends of lines are
+   indicated with ASCII LF control characters.  The lines may also
+   contain ASCII HT control characters.
+
+5.4 04 - Send queue state (long)
+
+      +----+-------+----+------+----+
+      | 04 | Queue | SP | List | LF |
+      +----+-------+----+------+----+
+      Command code - 4
+      Operand 1 - Printer queue name
+      Other operands - User names or job numbers
+
+   If the user names or job numbers or both are supplied then only those
+   jobs for those users or with those numbers will be sent.
+
+   The response is an ASCII stream which describes the printer queue.
+   The stream continues until the connection closes.  Ends of lines are
+
+
+
+McLaughlin                                                      [Page 3]
+
+RFC 1179                          LPR                        August 1990
+
+
+   indicated with ASCII LF control characters.  The lines may also
+   contain ASCII HT control characters.
+
+5.5 05 - Remove jobs
+
+      +----+-------+----+-------+----+------+----+
+      | 05 | Queue | SP | Agent | SP | List | LF |
+      +----+-------+----+-------+----+------+----+
+      Command code - 5
+      Operand 1 - Printer queue name
+      Operand 2 - User name making request (the agent)
+      Other operands - User names or job numbers
+
+   This command deletes the print jobs from the specified queue which
+   are listed as the other operands.  If only the agent is given, the
+   command is to delete the currently active job.  Unless the agent is
+   "root", it is not possible to delete a job which is not owned by the
+   user.  This is also the case for specifying user names instead of
+   numbers.  That is, agent "root" can delete jobs by user name but no
+   other agents can.
+
+6. Receive job subcommands
+
+   These commands  are processed when  the line printer  daemon  has
+   been given the  receive job command.  The  daemon will continue  to
+   process commands until the connection is closed.
+
+   After a subcommand is sent, the client must wait for an
+   acknowledgement from the daemon.  A positive acknowledgement is an
+   octet of zero bits.  A negative acknowledgement is an octet of any
+   other pattern.
+
+   LPR clients SHOULD be able to sent the receive data file and receive
+   control file subcommands in either order.  LPR servers MUST be able
+   to receive the control file subcommand first and SHOULD be able to
+   receive the data file subcommand first.
+
+6.1 01 - Abort job
+
+      Command code - 1
+      +----+----+
+      | 01 | LF |
+      +----+----+
+
+   No operands should be supplied.  This subcommand will remove any
+   files which have been created during this "Receive job" command.
+
+
+
+
+
+McLaughlin                                                      [Page 4]
+
+RFC 1179                          LPR                        August 1990
+
+
+6.2 02 - Receive control file
+
+      +----+-------+----+------+----+
+      | 02 | Count | SP | Name | LF |
+      +----+-------+----+------+----+
+      Command code - 2
+      Operand 1 - Number of bytes in control file
+      Operand 2 - Name of control file
+
+   The control file must be an ASCII stream with the ends of lines
+   indicated by ASCII LF.  The total number of bytes in the stream is
+   sent as the first operand.  The name of the control file is sent as
+   the second.  It should start with ASCII "cfA", followed by a three
+   digit job number, followed by the host name which has constructed the
+   control file.  Acknowledgement processing must occur as usual after
+   the command is sent.
+
+   The next "Operand 1" octets over the same TCP connection are the
+   intended contents of the control file.  Once all of the contents have
+   been delivered, an octet of zero bits is sent as an indication that
+   the file being sent is complete.  A second level of acknowledgement
+   processing must occur at this point.
+
+6.3 03 - Receive data file
+
+      +----+-------+----+------+----+
+      | 03 | Count | SP | Name | LF |
+      +----+-------+----+------+----+
+      Command code - 3
+      Operand 1 - Number of bytes in data file
+      Operand 2 - Name of data file
+
+   The data file may contain any 8 bit values at all.  The total number
+   of bytes in the stream may be sent as the first operand, otherwise
+   the field should be cleared to 0.  The name of the data file should
+   start with ASCII "dfA".  This should be followed by a three digit job
+   number.  The job number should be followed by the host name which has
+   constructed the data file.  Interpretation of the contents of the
+   data file is determined by the contents of the corresponding control
+   file.  If a data file length has been specified, the next "Operand 1"
+   octets over the same TCP connection are the intended contents of the
+   data file.  In this case, once all of the contents have been
+   delivered, an octet of zero bits is sent as an indication that the
+   file being sent is complete.  A second level of acknowledgement
+   processing must occur at this point.
+
+
+
+
+
+
+McLaughlin                                                      [Page 5]
+
+RFC 1179                          LPR                        August 1990
+
+
+7. Control file lines
+
+   This section  discusses the format of  the lines in the  control file
+   which is sent to the line printer daemon.
+
+   Each line of the control file consists of a single, printable ASCII
+   character which represents a function to be performed when the file
+   is printed.  Interpretation of these command characters are case-
+   sensitive.  The rest of the line after the command character is the
+   command's operand.  No leading white space is permitted after the
+   command character.  The line ends with an ASCII new line.
+
+   Those commands which have a lower case letter as a command code are
+   used to specify an actual printing request.  The commands which use
+   upper case are used to describe parametric values or background
+   conditions.
+
+   Some commands must be included in every control file.  These are 'H'
+   (responsible host) and 'P' (responsible user).  Additionally, there
+   must be at least one lower case command to produce any output.
+
+7.1 C - Class for banner page
+
+      +---+-------+----+
+      | C | Class | LF |
+      +---+-------+----+
+      Command code - 'C'
+      Operand - Name of class for banner pages
+
+   This command sets the class name to be printed on the banner page.
+   The name must be 31 or fewer octets.  The name can be omitted.  If it
+   is, the name of the host on which the file is printed will be used.
+   The class is conventionally used to display the host from which the
+   printing job originated.  It will be ignored unless the print banner
+   command ('L') is also used.
+
+7.2 H - Host name
+
+      +---+------+----+
+      | H | Host | LF |
+      +---+------+----+
+      Command code - 'H'
+      Operand - Name of host
+
+   This command specifies the name of the host which is to be treated as
+   the source of the print job.  The command must be included in the
+   control file.  The name of the host must be 31 or fewer octets.
+
+
+
+
+McLaughlin                                                      [Page 6]
+
+RFC 1179                          LPR                        August 1990
+
+
+7.3 I - Indent Printing
+
+      +---+-------+----+
+      | I | count | LF |
+      +---+-------+----+
+      Command code - 'I'
+      Operand - Indenting count
+
+   This command specifies that, for files which are printed with the
+   'f', of columns given.  (It is ignored for other output generating
+   commands.)  The identing count operand must be all decimal digits.
+
+7.4 J - Job name for banner page
+
+      +---+----------+----+
+      | J | Job name | LF |
+      +---+----------+----+
+      Command code - 'J'
+      Operand - Job name
+
+   This command sets the job name to be printed on the banner page.  The
+   name of the job must be 99 or fewer octets.  It can be omitted.  The
+   job name is conventionally used to display the name of the file or
+   files which were "printed".  It will be ignored unless the print
+   banner command ('L') is also used.
+
+7.5 L - Print banner page
+
+      +---+------+----+
+      | L | User | LF |
+      +---+------+----+
+      Command code - 'L'
+      Operand - Name of user for burst pages
+
+   This command causes the banner page to be printed.  The user name can
+   be omitted.  The class name for banner page and job name for banner
+   page commands must precede this command in the control file to be
+   effective.
+
+7.6 M - Mail When Printed
+
+      +---+------+----+
+      | M | user | LF |
+      +---+------+----+
+      Command code - 'M'
+      Operand - User name
+
+   This entry causes mail to be sent to the user given as the operand at
+
+
+
+McLaughlin                                                      [Page 7]
+
+RFC 1179                          LPR                        August 1990
+
+
+   the host specified by the 'H' entry when the printing operation ends
+   (successfully or unsuccessfully).
+
+7.7 N - Name of source file
+
+      +---+------+----+
+      | N | Name | LF |
+      +---+------+----+
+      Command code - 'N'
+      Operand - File name
+
+   This command specifies the name of the file from which the data file
+   was constructed.  It is returned on a query and used in printing with
+   the 'p' command when no title has been given.  It must be 131 or
+   fewer octets.
+
+7.8 P - User identification
+
+      +---+------+----+
+      | P | Name | LF |
+      +---+------+----+
+      Command code - 'P'
+      Operand - User id
+
+   This command specifies the user identification of the entity
+   requesting the printing job.  This command must be included in the
+   control file.  The user identification must be 31 or fewer octets.
+
+7.9 S - Symbolic link data
+
+      +---+--------+----+-------+----+
+      | S | device | SP | inode | LF |
+      +---+--------+----+-------+----+
+      Command code - 'S'
+      Operand 1 - Device number
+      Operand 2 - Inode number
+
+   This command is used to record symbolic link data on a Unix system so
+   that changing a file's directory entry after a file is printed will
+   not print the new file.  It is ignored if the data file is not
+   symbolically linked.
+
+
+
+
+
+
+
+
+
+
+McLaughlin                                                      [Page 8]
+
+RFC 1179                          LPR                        August 1990
+
+
+7.10 T - Title for pr
+
+      +---+-------+----+
+      | T | title | LF |
+      +---+-------+----+
+      Command code - 'T'
+      Operand - Title text
+
+   This command provides a title for a file which is to be printed with
+   either the 'p' command.  (It is ignored by all of the other printing
+   commands.)  The title must be 79 or fewer octets.
+
+7.11 U - Unlink data file
+
+      +---+------+----+
+      | U | file | LF |
+      +---+------+----+
+      Command code - 'U'
+      Operand - File to unlink
+
+   This command indicates that the specified file is no longer needed.
+   This should only be used for data files.
+
+7.12 W - Width of output
+
+      +---+-------+----+
+      | W | width | LF |
+      +---+-------+----+
+      Command code - 'W'
+      Operand - Width count
+
+   This command limits the output to the specified number of columns for
+   the 'f', 'l', and 'p' commands.  (It is ignored for other output
+   generating commands.)  The width count operand must be all decimal
+   digits.  It may be silently reduced to some lower value.  The default
+   value for the width is 132.
+
+7.13 1 - troff R font
+
+      +---+------+----+
+      | 1 | file | LF |
+      +---+------+----+
+      Command code - '1'
+      Operand - File name
+
+   This command specifies the file name for the troff R font.  [1] This
+   is the font which is printed using Times Roman by default.
+
+
+
+
+McLaughlin                                                      [Page 9]
+
+RFC 1179                          LPR                        August 1990
+
+
+7.14 2 - troff I font
+
+      +---+------+----+
+      | 2 | file | LF |
+      +---+------+----+
+      Command code - '2'
+      Operand - File name
+
+   This command specifies the file name for the troff I font.  [1] This
+   is the font which is printed using Times Italic by default.
+
+7.15 3 - troff B font
+
+      +---+------+----+
+      | 3 | file | LF |
+      +---+------+----+
+      Command code - '3'
+      Operand - File name
+
+   This command specifies the file name for the troff B font.  [1] This
+   is the font which is printed using Times Bold by default.
+
+7.16 4 - troff S font
+
+      +---+------+----+
+      | 4 | file | LF |
+      +---+------+----+
+      Command code - '4'
+      Operand - File name
+
+   This command specifies the file name for the troff S font.  [1] This
+   is the font which is printed using Special Mathematical Font by
+   default.
+
+7.17 c - Plot CIF file
+
+      +---+------+----+
+      | c | file | LF |
+      +---+------+----+
+      Command code - 'c'
+      Operand - File to plot
+
+   This command causes the data file to be plotted, treating the data as
+   CIF (CalTech Intermediate Form) graphics language. [2]
+
+
+
+
+
+
+
+McLaughlin                                                     [Page 10]
+
+RFC 1179                          LPR                        August 1990
+
+
+7.18 d - Print DVI file
+
+      +---+------+----+
+      | d | file | LF |
+      +---+------+----+
+      Command code - 'd'
+      Operand - File to print
+
+   This command causes the data file to be printed, treating the data as
+   DVI (TeX output). [3]
+
+7.19 f - Print formatted file
+
+      +---+------+----+
+      | f | file | LF |
+      +---+------+----+
+      Command code - 'f'
+      Operand - File to print
+
+   This command cause the data file to be printed as a plain text file,
+   providing page breaks as necessary.  Any ASCII control characters
+   which are not in the following list are discarded: HT, CR, FF, LF,
+   and BS.
+
+7.20 g - Plot file
+
+      +---+------+----+
+      | g | file | LF |
+      +---+------+----+
+      Command code - 'g'
+      Operand - File to plot
+
+   This command causes the data file to be plotted, treating the data as
+   output from the Berkeley Unix plot library. [1]
+
+7.21 k - Reserved for use by Kerberized LPR clients and servers.
+
+7.22 l - Print file leaving control characters
+
+      +---+------+----+
+      | l | file | LF |
+      +---+------+----+
+      Command code - 'l' (lower case L)
+      Operand - File to print
+
+   This command causes the specified data file to printed without
+   filtering the control characters (as is done with the 'f' command).
+
+
+
+
+McLaughlin                                                     [Page 11]
+
+RFC 1179                          LPR                        August 1990
+
+
+7.23 n - Print ditroff output file
+
+      +---+------+----+
+      | n | file | LF |
+      +---+------+----+
+      Command code - 'n'
+      Operand - File to print
+
+   This command prints the data file to be printed, treating the data as
+   ditroff output. [4]
+
+7.24 o - Print Postscript output file
+
+      +---+------+----+
+      | o | file | LF |
+      +---+------+----+
+      Command code - 'o'
+      Operand - File to print
+
+   This command prints the data file to be printed, treating the data as
+   standard Postscript input.
+
+7.25 p - Print file with 'pr' format
+
+      +---+------+----+
+      | p | file | LF |
+      +---+------+----+
+      Command code - 'p'
+      Operand - File to print
+
+   This command causes the data file to be printed with a heading, page
+   numbers, and pagination.  The heading should include the date and
+   time that printing was started, the title, and a page number
+   identifier followed by the page number.  The title is the name of
+   file as specified by the 'N' command, unless the 'T' command (title)
+   has been given.  After a page of text has been printed, a new page is
+   started with a new page number.  (There is no way to specify the
+   length of the page.)
+
+7.26 r - File to print with FORTRAN carriage control
+
+      +---+------+----+
+      | r | file | LF |
+      +---+------+----+
+      Command code - 'r'
+      Operand - File to print
+
+   This command causes the data file to be printed, interpreting the
+
+
+
+McLaughlin                                                     [Page 12]
+
+RFC 1179                          LPR                        August 1990
+
+
+   first column of each line as FORTRAN carriage control.  The FORTRAN
+   standard limits this to blank, "1", "0", and "+" carriage controls.
+   Most FORTRAN programmers also expect "-" (triple space) to work as
+   well.
+
+7.27 t - Print troff output file
+
+      +---+------+----+
+      | t | file | LF |
+      +---+------+----+
+      Command code - 't'
+      Operand - File to print
+
+   This command prints the data file as Graphic Systems C/A/T
+   phototypesetter input.  [5] This is the standard output of the Unix
+   "troff" command.
+
+7.28 v - Print raster file
+
+      +---+------+----+
+      | v | file | LF |
+      +---+------+----+
+      Command code - 'v'
+      Operand - File to print
+
+   This command prints a Sun raster format file. [6]
+
+7.29 z - Reserved for future use with the Palladium print system.
+
+REFERENCES and BIBLIOGRAPHY
+
+   [1] Computer Science Research Group, "UNIX Programmer's Reference
+       Manual", USENIX, 1986.
+
+   [2] Hon and Sequin, "A Guide to LSI Implementation", XEROX PARC,
+       1980.
+
+   [3] Knuth, D., "TeX The Program".
+
+   [4] Kernighan, B., "A Typesetter-independent TROFF".
+
+   [5] "Model C/A/T Phototypesetter", Graphic Systems, Inc. Hudson, N.H.
+
+   [6] Sun Microsystems, "Pixrect Reference Manual", Sun Microsystems,
+       Mountain View, CA, 1988.
+
+
+
+
+
+
+McLaughlin                                                     [Page 13]
+
+RFC 1179                          LPR                        August 1990
+
+
+Security Considerations
+
+   Security issues are not discussed in this memo.
+
+Author's Address
+
+   Leo J. McLaughlin III
+   The Wollongong Group
+   1129 San Antonio Road
+   Palo Alto, CA 94303
+
+   Phone: 415-962-7100
+
+   EMail: ljm@twg.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+McLaughlin                                                     [Page 14]
+
\ No newline at end of file
diff --git a/standards/rfc1321.txt b/standards/rfc1321.txt
new file mode 100644
index 000000000..68af27d2b
--- /dev/null
+++ b/standards/rfc1321.txt
@@ -0,0 +1,1179 @@
+
+
+
+
+
+
+Network Working Group                                          R. Rivest
+Request for Comments: 1321           MIT Laboratory for Computer Science
+                                             and RSA Data Security, Inc.
+                                                              April 1992
+
+
+                     The MD5 Message-Digest Algorithm
+
+Status of this Memo
+
+   This memo provides information for the Internet community.  It does
+   not specify an Internet standard.  Distribution of this memo is
+   unlimited.
+
+Acknowlegements
+
+   We would like to thank Don Coppersmith, Burt Kaliski, Ralph Merkle,
+   David Chaum, and Noam Nisan for numerous helpful comments and
+   suggestions.
+
+Table of Contents
+
+   1. Executive Summary                                                1
+   2. Terminology and Notation                                         2
+   3. MD5 Algorithm Description                                        3
+   4. Summary                                                          6
+   5. Differences Between MD4 and MD5                                  6
+   References                                                          7
+   APPENDIX A - Reference Implementation                               7
+   Security Considerations                                            21
+   Author's Address                                                   21
+
+1. Executive Summary
+
+   This document describes the MD5 message-digest algorithm. The
+   algorithm takes as input a message of arbitrary length and produces
+   as output a 128-bit "fingerprint" or "message digest" of the input.
+   It is conjectured that it is computationally infeasible to produce
+   two messages having the same message digest, or to produce any
+   message having a given prespecified target message digest. The MD5
+   algorithm is intended for digital signature applications, where a
+   large file must be "compressed" in a secure manner before being
+   encrypted with a private (secret) key under a public-key cryptosystem
+   such as RSA.
+
+
+
+
+
+
+
+Rivest                                                          [Page 1]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+   The MD5 algorithm is designed to be quite fast on 32-bit machines. In
+   addition, the MD5 algorithm does not require any large substitution
+   tables; the algorithm can be coded quite compactly.
+
+   The MD5 algorithm is an extension of the MD4 message-digest algorithm
+   1,2]. MD5 is slightly slower than MD4, but is more "conservative" in
+   design. MD5 was designed because it was felt that MD4 was perhaps
+   being adopted for use more quickly than justified by the existing
+   critical review; because MD4 was designed to be exceptionally fast,
+   it is "at the edge" in terms of risking successful cryptanalytic
+   attack. MD5 backs off a bit, giving up a little in speed for a much
+   greater likelihood of ultimate security. It incorporates some
+   suggestions made by various reviewers, and contains additional
+   optimizations. The MD5 algorithm is being placed in the public domain
+   for review and possible adoption as a standard.
+
+   For OSI-based applications, MD5's object identifier is
+
+   md5 OBJECT IDENTIFIER ::=
+     iso(1) member-body(2) US(840) rsadsi(113549) digestAlgorithm(2) 5}
+
+   In the X.509 type AlgorithmIdentifier [3], the parameters for MD5
+   should have type NULL.
+
+2. Terminology and Notation
+
+   In this document a "word" is a 32-bit quantity and a "byte" is an
+   eight-bit quantity. A sequence of bits can be interpreted in a
+   natural manner as a sequence of bytes, where each consecutive group
+   of eight bits is interpreted as a byte with the high-order (most
+   significant) bit of each byte listed first. Similarly, a sequence of
+   bytes can be interpreted as a sequence of 32-bit words, where each
+   consecutive group of four bytes is interpreted as a word with the
+   low-order (least significant) byte given first.
+
+   Let x_i denote "x sub i". If the subscript is an expression, we
+   surround it in braces, as in x_{i+1}. Similarly, we use ^ for
+   superscripts (exponentiation), so that x^i denotes x to the i-th
+   power.
+
+   Let the symbol "+" denote addition of words (i.e., modulo-2^32
+   addition). Let X <<< s denote the 32-bit value obtained by circularly
+   shifting (rotating) X left by s bit positions. Let not(X) denote the
+   bit-wise complement of X, and let X v Y denote the bit-wise OR of X
+   and Y. Let X xor Y denote the bit-wise XOR of X and Y, and let XY
+   denote the bit-wise AND of X and Y.
+
+
+
+
+
+Rivest                                                          [Page 2]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+3. MD5 Algorithm Description
+
+   We begin by supposing that we have a b-bit message as input, and that
+   we wish to find its message digest. Here b is an arbitrary
+   nonnegative integer; b may be zero, it need not be a multiple of
+   eight, and it may be arbitrarily large. We imagine the bits of the
+   message written down as follows:
+
+          m_0 m_1 ... m_{b-1}
+
+   The following five steps are performed to compute the message digest
+   of the message.
+
+3.1 Step 1. Append Padding Bits
+
+   The message is "padded" (extended) so that its length (in bits) is
+   congruent to 448, modulo 512. That is, the message is extended so
+   that it is just 64 bits shy of being a multiple of 512 bits long.
+   Padding is always performed, even if the length of the message is
+   already congruent to 448, modulo 512.
+
+   Padding is performed as follows: a single "1" bit is appended to the
+   message, and then "0" bits are appended so that the length in bits of
+   the padded message becomes congruent to 448, modulo 512. In all, at
+   least one bit and at most 512 bits are appended.
+
+3.2 Step 2. Append Length
+
+   A 64-bit representation of b (the length of the message before the
+   padding bits were added) is appended to the result of the previous
+   step. In the unlikely event that b is greater than 2^64, then only
+   the low-order 64 bits of b are used. (These bits are appended as two
+   32-bit words and appended low-order word first in accordance with the
+   previous conventions.)
+
+   At this point the resulting message (after padding with bits and with
+   b) has a length that is an exact multiple of 512 bits. Equivalently,
+   this message has a length that is an exact multiple of 16 (32-bit)
+   words. Let M[0 ... N-1] denote the words of the resulting message,
+   where N is a multiple of 16.
+
+3.3 Step 3. Initialize MD Buffer
+
+   A four-word buffer (A,B,C,D) is used to compute the message digest.
+   Here each of A, B, C, D is a 32-bit register. These registers are
+   initialized to the following values in hexadecimal, low-order bytes
+   first):
+
+
+
+
+Rivest                                                          [Page 3]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+          word A: 01 23 45 67
+          word B: 89 ab cd ef
+          word C: fe dc ba 98
+          word D: 76 54 32 10
+
+3.4 Step 4. Process Message in 16-Word Blocks
+
+   We first define four auxiliary functions that each take as input
+   three 32-bit words and produce as output one 32-bit word.
+
+          F(X,Y,Z) = XY v not(X) Z
+          G(X,Y,Z) = XZ v Y not(Z)
+          H(X,Y,Z) = X xor Y xor Z
+          I(X,Y,Z) = Y xor (X v not(Z))
+
+   In each bit position F acts as a conditional: if X then Y else Z.
+   The function F could have been defined using + instead of v since XY
+   and not(X)Z will never have 1's in the same bit position.) It is
+   interesting to note that if the bits of X, Y, and Z are independent
+   and unbiased, the each bit of F(X,Y,Z) will be independent and
+   unbiased.
+
+   The functions G, H, and I are similar to the function F, in that they
+   act in "bitwise parallel" to produce their output from the bits of X,
+   Y, and Z, in such a manner that if the corresponding bits of X, Y,
+   and Z are independent and unbiased, then each bit of G(X,Y,Z),
+   H(X,Y,Z), and I(X,Y,Z) will be independent and unbiased. Note that
+   the function H is the bit-wise "xor" or "parity" function of its
+   inputs.
+
+   This step uses a 64-element table T[1 ... 64] constructed from the
+   sine function. Let T[i] denote the i-th element of the table, which
+   is equal to the integer part of 4294967296 times abs(sin(i)), where i
+   is in radians. The elements of the table are given in the appendix.
+
+   Do the following:
+
+   /* Process each 16-word block. */
+   For i = 0 to N/16-1 do
+
+     /* Copy block i into X. */
+     For j = 0 to 15 do
+       Set X[j] to M[i*16+j].
+     end /* of loop on j */
+
+     /* Save A as AA, B as BB, C as CC, and D as DD. */
+     AA = A
+     BB = B
+
+
+
+Rivest                                                          [Page 4]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+     CC = C
+     DD = D
+
+     /* Round 1. */
+     /* Let [abcd k s i] denote the operation
+          a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
+     /* Do the following 16 operations. */
+     [ABCD  0  7  1]  [DABC  1 12  2]  [CDAB  2 17  3]  [BCDA  3 22  4]
+     [ABCD  4  7  5]  [DABC  5 12  6]  [CDAB  6 17  7]  [BCDA  7 22  8]
+     [ABCD  8  7  9]  [DABC  9 12 10]  [CDAB 10 17 11]  [BCDA 11 22 12]
+     [ABCD 12  7 13]  [DABC 13 12 14]  [CDAB 14 17 15]  [BCDA 15 22 16]
+
+     /* Round 2. */
+     /* Let [abcd k s i] denote the operation
+          a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
+     /* Do the following 16 operations. */
+     [ABCD  1  5 17]  [DABC  6  9 18]  [CDAB 11 14 19]  [BCDA  0 20 20]
+     [ABCD  5  5 21]  [DABC 10  9 22]  [CDAB 15 14 23]  [BCDA  4 20 24]
+     [ABCD  9  5 25]  [DABC 14  9 26]  [CDAB  3 14 27]  [BCDA  8 20 28]
+     [ABCD 13  5 29]  [DABC  2  9 30]  [CDAB  7 14 31]  [BCDA 12 20 32]
+
+     /* Round 3. */
+     /* Let [abcd k s t] denote the operation
+          a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
+     /* Do the following 16 operations. */
+     [ABCD  5  4 33]  [DABC  8 11 34]  [CDAB 11 16 35]  [BCDA 14 23 36]
+     [ABCD  1  4 37]  [DABC  4 11 38]  [CDAB  7 16 39]  [BCDA 10 23 40]
+     [ABCD 13  4 41]  [DABC  0 11 42]  [CDAB  3 16 43]  [BCDA  6 23 44]
+     [ABCD  9  4 45]  [DABC 12 11 46]  [CDAB 15 16 47]  [BCDA  2 23 48]
+
+     /* Round 4. */
+     /* Let [abcd k s t] denote the operation
+          a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
+     /* Do the following 16 operations. */
+     [ABCD  0  6 49]  [DABC  7 10 50]  [CDAB 14 15 51]  [BCDA  5 21 52]
+     [ABCD 12  6 53]  [DABC  3 10 54]  [CDAB 10 15 55]  [BCDA  1 21 56]
+     [ABCD  8  6 57]  [DABC 15 10 58]  [CDAB  6 15 59]  [BCDA 13 21 60]
+     [ABCD  4  6 61]  [DABC 11 10 62]  [CDAB  2 15 63]  [BCDA  9 21 64]
+
+     /* Then perform the following additions. (That is increment each
+        of the four registers by the value it had before this block
+        was started.) */
+     A = A + AA
+     B = B + BB
+     C = C + CC
+     D = D + DD
+
+   end /* of loop on i */
+
+
+
+Rivest                                                          [Page 5]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+3.5 Step 5. Output
+
+   The message digest produced as output is A, B, C, D. That is, we
+   begin with the low-order byte of A, and end with the high-order byte
+   of D.
+
+   This completes the description of MD5. A reference implementation in
+   C is given in the appendix.
+
+4. Summary
+
+   The MD5 message-digest algorithm is simple to implement, and provides
+   a "fingerprint" or message digest of a message of arbitrary length.
+   It is conjectured that the difficulty of coming up with two messages
+   having the same message digest is on the order of 2^64 operations,
+   and that the difficulty of coming up with any message having a given
+   message digest is on the order of 2^128 operations. The MD5 algorithm
+   has been carefully scrutinized for weaknesses. It is, however, a
+   relatively new algorithm and further security analysis is of course
+   justified, as is the case with any new proposal of this sort.
+
+5. Differences Between MD4 and MD5
+
+     The following are the differences between MD4 and MD5:
+
+       1.   A fourth round has been added.
+
+       2.   Each step now has a unique additive constant.
+
+       3.   The function g in round 2 was changed from (XY v XZ v YZ) to
+       (XZ v Y not(Z)) to make g less symmetric.
+
+       4.   Each step now adds in the result of the previous step.  This
+       promotes a faster "avalanche effect".
+
+       5.   The order in which input words are accessed in rounds 2 and
+       3 is changed, to make these patterns less like each other.
+
+       6.   The shift amounts in each round have been approximately
+       optimized, to yield a faster "avalanche effect." The shifts in
+       different rounds are distinct.
+
+
+
+
+
+
+
+
+
+
+Rivest                                                          [Page 6]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+References
+
+   [1] Rivest, R., "The MD4 Message Digest Algorithm", RFC 1320, MIT and
+       RSA Data Security, Inc., April 1992.
+
+   [2] Rivest, R., "The MD4 message digest algorithm", in A.J.  Menezes
+       and S.A. Vanstone, editors, Advances in Cryptology - CRYPTO '90
+       Proceedings, pages 303-311, Springer-Verlag, 1991.
+
+   [3] CCITT Recommendation X.509 (1988), "The Directory -
+       Authentication Framework."
+
+APPENDIX A - Reference Implementation
+
+   This appendix contains the following files taken from RSAREF: A
+   Cryptographic Toolkit for Privacy-Enhanced Mail:
+
+     global.h -- global header file
+
+     md5.h -- header file for MD5
+
+     md5c.c -- source code for MD5
+
+   For more information on RSAREF, send email to <rsaref@rsa.com>.
+
+   The appendix also includes the following file:
+
+     mddriver.c -- test driver for MD2, MD4 and MD5
+
+   The driver compiles for MD5 by default but can compile for MD2 or MD4
+   if the symbol MD is defined on the C compiler command line as 2 or 4.
+
+   The implementation is portable and should work on many different
+   plaforms. However, it is not difficult to optimize the implementation
+   on particular platforms, an exercise left to the reader. For example,
+   on "little-endian" platforms where the lowest-addressed byte in a 32-
+   bit word is the least significant and there are no alignment
+   restrictions, the call to Decode in MD5Transform can be replaced with
+   a typecast.
+
+A.1 global.h
+
+/* GLOBAL.H - RSAREF types and constants
+ */
+
+/* PROTOTYPES should be set to one if and only if the compiler supports
+  function argument prototyping.
+The following makes PROTOTYPES default to 0 if it has not already
+
+
+
+Rivest                                                          [Page 7]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+  been defined with C compiler flags.
+ */
+#ifndef PROTOTYPES
+#define PROTOTYPES 0
+#endif
+
+/* POINTER defines a generic pointer type */
+typedef unsigned char *POINTER;
+
+/* UINT2 defines a two byte word */
+typedef unsigned short int UINT2;
+
+/* UINT4 defines a four byte word */
+typedef unsigned long int UINT4;
+
+/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
+If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
+  returns an empty list.
+ */
+#if PROTOTYPES
+#define PROTO_LIST(list) list
+#else
+#define PROTO_LIST(list) ()
+#endif
+
+A.2 md5.h
+
+/* MD5.H - header file for MD5C.C
+ */
+
+/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+
+
+
+Rivest                                                          [Page 8]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+/* MD5 context. */
+typedef struct {
+  UINT4 state[4];                                   /* state (ABCD) */
+  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
+  unsigned char buffer[64];                         /* input buffer */
+} MD5_CTX;
+
+void MD5Init PROTO_LIST ((MD5_CTX *));
+void MD5Update PROTO_LIST
+  ((MD5_CTX *, unsigned char *, unsigned int));
+void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));
+
+A.3 md5c.c
+
+/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
+ */
+
+/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+#include "global.h"
+#include "md5.h"
+
+/* Constants for MD5Transform routine.
+ */
+
+
+
+Rivest                                                          [Page 9]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+#define S11 7
+#define S12 12
+#define S13 17
+#define S14 22
+#define S21 5
+#define S22 9
+#define S23 14
+#define S24 20
+#define S31 4
+#define S32 11
+#define S33 16
+#define S34 23
+#define S41 6
+#define S42 10
+#define S43 15
+#define S44 21
+
+static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));
+static void Encode PROTO_LIST
+  ((unsigned char *, UINT4 *, unsigned int));
+static void Decode PROTO_LIST
+  ((UINT4 *, unsigned char *, unsigned int));
+static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
+static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));
+
+static unsigned char PADDING[64] = {
+  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* F, G, H and I are basic MD5 functions.
+ */
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+/* ROTATE_LEFT rotates x left n bits.
+ */
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
+Rotation is separate from addition to prevent recomputation.
+ */
+#define FF(a, b, c, d, x, s, ac) { \
+ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+
+
+
+Rivest                                                         [Page 10]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+ (a) += (b); \
+  }
+#define GG(a, b, c, d, x, s, ac) { \
+ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define HH(a, b, c, d, x, s, ac) { \
+ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define II(a, b, c, d, x, s, ac) { \
+ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+
+/* MD5 initialization. Begins an MD5 operation, writing a new context.
+ */
+void MD5Init (context)
+MD5_CTX *context;                                        /* context */
+{
+  context->count[0] = context->count[1] = 0;
+  /* Load magic initialization constants.
+*/
+  context->state[0] = 0x67452301;
+  context->state[1] = 0xefcdab89;
+  context->state[2] = 0x98badcfe;
+  context->state[3] = 0x10325476;
+}
+
+/* MD5 block update operation. Continues an MD5 message-digest
+  operation, processing another message block, and updating the
+  context.
+ */
+void MD5Update (context, input, inputLen)
+MD5_CTX *context;                                        /* context */
+unsigned char *input;                                /* input block */
+unsigned int inputLen;                     /* length of input block */
+{
+  unsigned int i, index, partLen;
+
+  /* Compute number of bytes mod 64 */
+  index = (unsigned int)((context->count[0] >> 3) & 0x3F);
+
+  /* Update number of bits */
+  if ((context->count[0] += ((UINT4)inputLen << 3))
+
+
+
+Rivest                                                         [Page 11]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+   < ((UINT4)inputLen << 3))
+ context->count[1]++;
+  context->count[1] += ((UINT4)inputLen >> 29);
+
+  partLen = 64 - index;
+
+  /* Transform as many times as possible.
+*/
+  if (inputLen >= partLen) {
+ MD5_memcpy
+   ((POINTER)&context->buffer[index], (POINTER)input, partLen);
+ MD5Transform (context->state, context->buffer);
+
+ for (i = partLen; i + 63 < inputLen; i += 64)
+   MD5Transform (context->state, &input[i]);
+
+ index = 0;
+  }
+  else
+ i = 0;
+
+  /* Buffer remaining input */
+  MD5_memcpy
+ ((POINTER)&context->buffer[index], (POINTER)&input[i],
+  inputLen-i);
+}
+
+/* MD5 finalization. Ends an MD5 message-digest operation, writing the
+  the message digest and zeroizing the context.
+ */
+void MD5Final (digest, context)
+unsigned char digest[16];                         /* message digest */
+MD5_CTX *context;                                       /* context */
+{
+  unsigned char bits[8];
+  unsigned int index, padLen;
+
+  /* Save number of bits */
+  Encode (bits, context->count, 8);
+
+  /* Pad out to 56 mod 64.
+*/
+  index = (unsigned int)((context->count[0] >> 3) & 0x3f);
+  padLen = (index < 56) ? (56 - index) : (120 - index);
+  MD5Update (context, PADDING, padLen);
+
+  /* Append length (before padding) */
+  MD5Update (context, bits, 8);
+
+
+
+Rivest                                                         [Page 12]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+  /* Store state in digest */
+  Encode (digest, context->state, 16);
+
+  /* Zeroize sensitive information.
+*/
+  MD5_memset ((POINTER)context, 0, sizeof (*context));
+}
+
+/* MD5 basic transformation. Transforms state based on block.
+ */
+static void MD5Transform (state, block)
+UINT4 state[4];
+unsigned char block[64];
+{
+  UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
+
+  Decode (x, block, 64);
+
+  /* Round 1 */
+  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
+  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
+  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
+  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
+  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
+  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
+  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
+  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
+  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
+  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
+  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
+  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
+  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
+  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
+  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
+  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
+
+ /* Round 2 */
+  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
+  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
+  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
+  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
+  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
+  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
+  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
+  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
+  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
+  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
+  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
+
+
+
+Rivest                                                         [Page 13]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
+  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
+  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
+  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
+  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
+
+  /* Round 3 */
+  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
+  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
+  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
+  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
+  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
+  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
+  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
+  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
+  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
+  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
+  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
+  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
+  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
+  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
+  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
+  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
+
+  /* Round 4 */
+  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
+  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
+  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
+  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
+  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
+  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
+  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
+  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
+  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
+  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
+  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
+  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
+  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
+  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
+  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
+  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
+
+  state[0] += a;
+  state[1] += b;
+  state[2] += c;
+  state[3] += d;
+
+  /* Zeroize sensitive information.
+
+
+
+Rivest                                                         [Page 14]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+*/
+  MD5_memset ((POINTER)x, 0, sizeof (x));
+}
+
+/* Encodes input (UINT4) into output (unsigned char). Assumes len is
+  a multiple of 4.
+ */
+static void Encode (output, input, len)
+unsigned char *output;
+UINT4 *input;
+unsigned int len;
+{
+  unsigned int i, j;
+
+  for (i = 0, j = 0; j < len; i++, j += 4) {
+ output[j] = (unsigned char)(input[i] & 0xff);
+ output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
+ output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
+ output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
+  }
+}
+
+/* Decodes input (unsigned char) into output (UINT4). Assumes len is
+  a multiple of 4.
+ */
+static void Decode (output, input, len)
+UINT4 *output;
+unsigned char *input;
+unsigned int len;
+{
+  unsigned int i, j;
+
+  for (i = 0, j = 0; j < len; i++, j += 4)
+ output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
+   (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
+}
+
+/* Note: Replace "for loop" with standard memcpy if possible.
+ */
+
+static void MD5_memcpy (output, input, len)
+POINTER output;
+POINTER input;
+unsigned int len;
+{
+  unsigned int i;
+
+  for (i = 0; i < len; i++)
+
+
+
+Rivest                                                         [Page 15]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+ output[i] = input[i];
+}
+
+/* Note: Replace "for loop" with standard memset if possible.
+ */
+static void MD5_memset (output, value, len)
+POINTER output;
+int value;
+unsigned int len;
+{
+  unsigned int i;
+
+  for (i = 0; i < len; i++)
+ ((char *)output)[i] = (char)value;
+}
+
+A.4 mddriver.c
+
+/* MDDRIVER.C - test driver for MD2, MD4 and MD5
+ */
+
+/* Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
+rights reserved.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+/* The following makes MD default to MD5 if it has not already been
+  defined with C compiler flags.
+ */
+#ifndef MD
+#define MD MD5
+#endif
+
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#include "global.h"
+#if MD == 2
+#include "md2.h"
+#endif
+#if MD == 4
+
+
+
+Rivest                                                         [Page 16]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+#include "md4.h"
+#endif
+#if MD == 5
+#include "md5.h"
+#endif
+
+/* Length of test block, number of test blocks.
+ */
+#define TEST_BLOCK_LEN 1000
+#define TEST_BLOCK_COUNT 1000
+
+static void MDString PROTO_LIST ((char *));
+static void MDTimeTrial PROTO_LIST ((void));
+static void MDTestSuite PROTO_LIST ((void));
+static void MDFile PROTO_LIST ((char *));
+static void MDFilter PROTO_LIST ((void));
+static void MDPrint PROTO_LIST ((unsigned char [16]));
+
+#if MD == 2
+#define MD_CTX MD2_CTX
+#define MDInit MD2Init
+#define MDUpdate MD2Update
+#define MDFinal MD2Final
+#endif
+#if MD == 4
+#define MD_CTX MD4_CTX
+#define MDInit MD4Init
+#define MDUpdate MD4Update
+#define MDFinal MD4Final
+#endif
+#if MD == 5
+#define MD_CTX MD5_CTX
+#define MDInit MD5Init
+#define MDUpdate MD5Update
+#define MDFinal MD5Final
+#endif
+
+/* Main driver.
+
+Arguments (may be any combination):
+  -sstring - digests string
+  -t       - runs time trial
+  -x       - runs test script
+  filename - digests file
+  (none)   - digests standard input
+ */
+int main (argc, argv)
+int argc;
+
+
+
+Rivest                                                         [Page 17]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+char *argv[];
+{
+  int i;
+
+  if (argc > 1)
+ for (i = 1; i < argc; i++)
+   if (argv[i][0] == '-' && argv[i][1] == 's')
+     MDString (argv[i] + 2);
+   else if (strcmp (argv[i], "-t") == 0)
+     MDTimeTrial ();
+   else if (strcmp (argv[i], "-x") == 0)
+     MDTestSuite ();
+   else
+     MDFile (argv[i]);
+  else
+ MDFilter ();
+
+  return (0);
+}
+
+/* Digests a string and prints the result.
+ */
+static void MDString (string)
+char *string;
+{
+  MD_CTX context;
+  unsigned char digest[16];
+  unsigned int len = strlen (string);
+
+  MDInit (&context);
+  MDUpdate (&context, string, len);
+  MDFinal (digest, &context);
+
+  printf ("MD%d (\"%s\") = ", MD, string);
+  MDPrint (digest);
+  printf ("\n");
+}
+
+/* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte
+  blocks.
+ */
+static void MDTimeTrial ()
+{
+  MD_CTX context;
+  time_t endTime, startTime;
+  unsigned char block[TEST_BLOCK_LEN], digest[16];
+  unsigned int i;
+
+
+
+
+Rivest                                                         [Page 18]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+  printf
+ ("MD%d time trial. Digesting %d %d-byte blocks ...", MD,
+  TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
+
+  /* Initialize block */
+  for (i = 0; i < TEST_BLOCK_LEN; i++)
+ block[i] = (unsigned char)(i & 0xff);
+
+  /* Start timer */
+  time (&startTime);
+
+  /* Digest blocks */
+  MDInit (&context);
+  for (i = 0; i < TEST_BLOCK_COUNT; i++)
+ MDUpdate (&context, block, TEST_BLOCK_LEN);
+  MDFinal (digest, &context);
+
+  /* Stop timer */
+  time (&endTime);
+
+  printf (" done\n");
+  printf ("Digest = ");
+  MDPrint (digest);
+  printf ("\nTime = %ld seconds\n", (long)(endTime-startTime));
+  printf
+ ("Speed = %ld bytes/second\n",
+  (long)TEST_BLOCK_LEN * (long)TEST_BLOCK_COUNT/(endTime-startTime));
+}
+
+/* Digests a reference suite of strings and prints the results.
+ */
+static void MDTestSuite ()
+{
+  printf ("MD%d test suite:\n", MD);
+
+  MDString ("");
+  MDString ("a");
+  MDString ("abc");
+  MDString ("message digest");
+  MDString ("abcdefghijklmnopqrstuvwxyz");
+  MDString
+ ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
+  MDString
+ ("1234567890123456789012345678901234567890\
+1234567890123456789012345678901234567890");
+}
+
+/* Digests a file and prints the result.
+
+
+
+Rivest                                                         [Page 19]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+ */
+static void MDFile (filename)
+char *filename;
+{
+  FILE *file;
+  MD_CTX context;
+  int len;
+  unsigned char buffer[1024], digest[16];
+
+  if ((file = fopen (filename, "rb")) == NULL)
+ printf ("%s can't be opened\n", filename);
+
+  else {
+ MDInit (&context);
+ while (len = fread (buffer, 1, 1024, file))
+   MDUpdate (&context, buffer, len);
+ MDFinal (digest, &context);
+
+ fclose (file);
+
+ printf ("MD%d (%s) = ", MD, filename);
+ MDPrint (digest);
+ printf ("\n");
+  }
+}
+
+/* Digests the standard input and prints the result.
+ */
+static void MDFilter ()
+{
+  MD_CTX context;
+  int len;
+  unsigned char buffer[16], digest[16];
+
+  MDInit (&context);
+  while (len = fread (buffer, 1, 16, stdin))
+ MDUpdate (&context, buffer, len);
+  MDFinal (digest, &context);
+
+  MDPrint (digest);
+  printf ("\n");
+}
+
+/* Prints a message digest in hexadecimal.
+ */
+static void MDPrint (digest)
+unsigned char digest[16];
+{
+
+
+
+Rivest                                                         [Page 20]
+
+RFC 1321              MD5 Message-Digest Algorithm            April 1992
+
+
+  unsigned int i;
+
+  for (i = 0; i < 16; i++)
+ printf ("%02x", digest[i]);
+}
+
+A.5 Test suite
+
+   The MD5 test suite (driver option "-x") should print the following
+   results:
+
+MD5 test suite:
+MD5 ("") = d41d8cd98f00b204e9800998ecf8427e
+MD5 ("a") = 0cc175b9c0f1b6a831c399e269772661
+MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72
+MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0
+MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b
+MD5 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
+d174ab98d277d9f5a5611c2c9f419d9f
+MD5 ("123456789012345678901234567890123456789012345678901234567890123456
+78901234567890") = 57edf4a22be3c955ac49da2e2107b67a
+
+Security Considerations
+
+   The level of security discussed in this memo is considered to be
+   sufficient for implementing very high security hybrid digital-
+   signature schemes based on MD5 and a public-key cryptosystem.
+
+Author's Address
+
+   Ronald L. Rivest
+   Massachusetts Institute of Technology
+   Laboratory for Computer Science
+   NE43-324
+   545 Technology Square
+   Cambridge, MA  02139-1986
+
+   Phone: (617) 253-5880
+   EMail: rivest@theory.lcs.mit.edu
+
+
+
+
+
+
+
+
+
+
+
+
+Rivest                                                         [Page 21]
+
\ No newline at end of file
diff --git a/standards/rfc2246.txt b/standards/rfc2246.txt
new file mode 100644
index 000000000..2e838cf5d
--- /dev/null
+++ b/standards/rfc2246.txt
@@ -0,0 +1,4483 @@
+
+
+
+
+
+
+Network Working Group                                         T. Dierks
+Request for Comments: 2246                                     Certicom
+Category: Standards Track                                      C. Allen
+                                                               Certicom
+                                                           January 1999
+
+
+                            The TLS Protocol
+                              Version 1.0
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+Abstract
+
+   This document specifies Version 1.0 of the Transport Layer Security
+   (TLS) protocol. The TLS protocol provides communications privacy over
+   the Internet. The protocol allows client/server applications to
+   communicate in a way that is designed to prevent eavesdropping,
+   tampering, or message forgery.
+
+Table of Contents
+
+   1.       Introduction                                              3
+   2.       Goals                                                     4
+   3.       Goals of this document                                    5
+   4.       Presentation language                                     5
+   4.1.     Basic block size                                          6
+   4.2.     Miscellaneous                                             6
+   4.3.     Vectors                                                   6
+   4.4.     Numbers                                                   7
+   4.5.     Enumerateds                                               7
+   4.6.     Constructed types                                         8
+   4.6.1.   Variants                                                  9
+   4.7.     Cryptographic attributes                                 10
+   4.8.     Constants                                                11
+   5.       HMAC and the pseudorandom function                       11
+   6.       The TLS Record Protocol                                  13
+   6.1.     Connection states                                        14
+
+
+
+Dierks & Allen              Standards Track                     [Page 1]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   6.2.     Record layer                                             16
+   6.2.1.   Fragmentation                                            16
+   6.2.2.   Record compression and decompression                     17
+   6.2.3.   Record payload protection                                18
+   6.2.3.1. Null or standard stream cipher                           19
+   6.2.3.2. CBC block cipher                                         19
+   6.3.     Key calculation                                          21
+   6.3.1.   Export key generation example                            22
+   7.       The TLS Handshake Protocol                               23
+   7.1.     Change cipher spec protocol                              24
+   7.2.     Alert protocol                                           24
+   7.2.1.   Closure alerts                                           25
+   7.2.2.   Error alerts                                             26
+   7.3.     Handshake Protocol overview                              29
+   7.4.     Handshake protocol                                       32
+   7.4.1.   Hello messages                                           33
+   7.4.1.1. Hello request                                            33
+   7.4.1.2. Client hello                                             34
+   7.4.1.3. Server hello                                             36
+   7.4.2.   Server certificate                                       37
+   7.4.3.   Server key exchange message                              39
+   7.4.4.   Certificate request                                      41
+   7.4.5.   Server hello done                                        42
+   7.4.6.   Client certificate                                       43
+   7.4.7.   Client key exchange message                              43
+   7.4.7.1. RSA encrypted premaster secret message                   44
+   7.4.7.2. Client Diffie-Hellman public value                       45
+   7.4.8.   Certificate verify                                       45
+   7.4.9.   Finished                                                 46
+   8.       Cryptographic computations                               47
+   8.1.     Computing the master secret                              47
+   8.1.1.   RSA                                                      48
+   8.1.2.   Diffie-Hellman                                           48
+   9.       Mandatory Cipher Suites                                  48
+   10.      Application data protocol                                48
+   A.       Protocol constant values                                 49
+   A.1.     Record layer                                             49
+   A.2.     Change cipher specs message                              50
+   A.3.     Alert messages                                           50
+   A.4.     Handshake protocol                                       51
+   A.4.1.   Hello messages                                           51
+   A.4.2.   Server authentication and key exchange messages          52
+   A.4.3.   Client authentication and key exchange messages          53
+   A.4.4.   Handshake finalization message                           54
+   A.5.     The CipherSuite                                          54
+   A.6.     The Security Parameters                                  56
+   B.       Glossary                                                 57
+   C.       CipherSuite definitions                                  61
+
+
+
+Dierks & Allen              Standards Track                     [Page 2]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   D.       Implementation Notes                                     64
+   D.1.     Temporary RSA keys                                       64
+   D.2.     Random Number Generation and Seeding                     64
+   D.3.     Certificates and authentication                          65
+   D.4.     CipherSuites                                             65
+   E.       Backward Compatibility With SSL                          66
+   E.1.     Version 2 client hello                                   67
+   E.2.     Avoiding man-in-the-middle version rollback              68
+   F.       Security analysis                                        69
+   F.1.     Handshake protocol                                       69
+   F.1.1.   Authentication and key exchange                          69
+   F.1.1.1. Anonymous key exchange                                   69
+   F.1.1.2. RSA key exchange and authentication                      70
+   F.1.1.3. Diffie-Hellman key exchange with authentication          71
+   F.1.2.   Version rollback attacks                                 71
+   F.1.3.   Detecting attacks against the handshake protocol         72
+   F.1.4.   Resuming sessions                                        72
+   F.1.5.   MD5 and SHA                                              72
+   F.2.     Protecting application data                              72
+   F.3.     Final notes                                              73
+   G.       Patent Statement                                         74
+            Security Considerations                                  75
+            References                                               75
+            Credits                                                  77
+            Comments                                                 78
+            Full Copyright Statement                                 80
+
+1. Introduction
+
+   The primary goal of the TLS Protocol is to provide privacy and data
+   integrity between two communicating applications. The protocol is
+   composed of two layers: the TLS Record Protocol and the TLS Handshake
+   Protocol. At the lowest level, layered on top of some reliable
+   transport protocol (e.g., TCP[TCP]), is the TLS Record Protocol. The
+   TLS Record Protocol provides connection security that has two basic
+   properties:
+
+     - The connection is private. Symmetric cryptography is used for
+       data encryption (e.g., DES [DES], RC4 [RC4], etc.) The keys for
+       this symmetric encryption are generated uniquely for each
+       connection and are based on a secret negotiated by another
+       protocol (such as the TLS Handshake Protocol). The Record
+       Protocol can also be used without encryption.
+
+     - The connection is reliable. Message transport includes a message
+       integrity check using a keyed MAC. Secure hash functions (e.g.,
+       SHA, MD5, etc.) are used for MAC computations. The Record
+       Protocol can operate without a MAC, but is generally only used in
+
+
+
+Dierks & Allen              Standards Track                     [Page 3]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       this mode while another protocol is using the Record Protocol as
+       a transport for negotiating security parameters.
+
+   The TLS Record Protocol is used for encapsulation of various higher
+   level protocols. One such encapsulated protocol, the TLS Handshake
+   Protocol, allows the server and client to authenticate each other and
+   to negotiate an encryption algorithm and cryptographic keys before
+   the application protocol transmits or receives its first byte of
+   data. The TLS Handshake Protocol provides connection security that
+   has three basic properties:
+
+     - The peer's identity can be authenticated using asymmetric, or
+       public key, cryptography (e.g., RSA [RSA], DSS [DSS], etc.). This
+       authentication can be made optional, but is generally required
+       for at least one of the peers.
+
+     - The negotiation of a shared secret is secure: the negotiated
+       secret is unavailable to eavesdroppers, and for any authenticated
+       connection the secret cannot be obtained, even by an attacker who
+       can place himself in the middle of the connection.
+
+     - The negotiation is reliable: no attacker can modify the
+       negotiation communication without being detected by the parties
+       to the communication.
+
+   One advantage of TLS is that it is application protocol independent.
+   Higher level protocols can layer on top of the TLS Protocol
+   transparently. The TLS standard, however, does not specify how
+   protocols add security with TLS; the decisions on how to initiate TLS
+   handshaking and how to interpret the authentication certificates
+   exchanged are left up to the judgment of the designers and
+   implementors of protocols which run on top of TLS.
+
+2. Goals
+
+   The goals of TLS Protocol, in order of their priority, are:
+
+    1. Cryptographic security: TLS should be used to establish a secure
+       connection between two parties.
+
+    2. Interoperability: Independent programmers should be able to
+       develop applications utilizing TLS that will then be able to
+       successfully exchange cryptographic parameters without knowledge
+       of one another's code.
+
+    3. Extensibility: TLS seeks to provide a framework into which new
+       public key and bulk encryption methods can be incorporated as
+       necessary. This will also accomplish two sub-goals: to prevent
+
+
+
+Dierks & Allen              Standards Track                     [Page 4]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       the need to create a new protocol (and risking the introduction
+       of possible new weaknesses) and to avoid the need to implement an
+       entire new security library.
+
+    4. Relative efficiency: Cryptographic operations tend to be highly
+       CPU intensive, particularly public key operations. For this
+       reason, the TLS protocol has incorporated an optional session
+       caching scheme to reduce the number of connections that need to
+       be established from scratch. Additionally, care has been taken to
+       reduce network activity.
+
+3. Goals of this document
+
+   This document and the TLS protocol itself are based on the SSL 3.0
+   Protocol Specification as published by Netscape. The differences
+   between this protocol and SSL 3.0 are not dramatic, but they are
+   significant enough that TLS 1.0 and SSL 3.0 do not interoperate
+   (although TLS 1.0 does incorporate a mechanism by which a TLS
+   implementation can back down to SSL 3.0). This document is intended
+   primarily for readers who will be implementing the protocol and those
+   doing cryptographic analysis of it. The specification has been
+   written with this in mind, and it is intended to reflect the needs of
+   those two groups. For that reason, many of the algorithm-dependent
+   data structures and rules are included in the body of the text (as
+   opposed to in an appendix), providing easier access to them.
+
+   This document is not intended to supply any details of service
+   definition nor interface definition, although it does cover select
+   areas of policy as they are required for the maintenance of solid
+   security.
+
+4. Presentation language
+
+   This document deals with the formatting of data in an external
+   representation. The following very basic and somewhat casually
+   defined presentation syntax will be used. The syntax draws from
+   several sources in its structure. Although it resembles the
+   programming language "C" in its syntax and XDR [XDR] in both its
+   syntax and intent, it would be risky to draw too many parallels. The
+   purpose of this presentation language is to document TLS only, not to
+   have general application beyond that particular goal.
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                     [Page 5]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+4.1. Basic block size
+
+   The representation of all data items is explicitly specified. The
+   basic data block size is one byte (i.e. 8 bits). Multiple byte data
+   items are concatenations of bytes, from left to right, from top to
+   bottom. From the bytestream a multi-byte item (a numeric in the
+   example) is formed (using C notation) by:
+
+       value = (byte[0] << 8*(n-1)) | (byte[1] << 8*(n-2)) |
+               ... | byte[n-1];
+
+   This byte ordering for multi-byte values is the commonplace network
+   byte order or big endian format.
+
+4.2. Miscellaneous
+
+   Comments begin with "/*" and end with "*/".
+
+   Optional components are denoted by enclosing them in "[[ ]]" double
+   brackets.
+
+   Single byte entities containing uninterpreted data are of type
+   opaque.
+
+4.3. Vectors
+
+   A vector (single dimensioned array) is a stream of homogeneous data
+   elements. The size of the vector may be specified at documentation
+   time or left unspecified until runtime. In either case the length
+   declares the number of bytes, not the number of elements, in the
+   vector. The syntax for specifying a new type T' that is a fixed
+   length vector of type T is
+
+       T T'[n];
+
+   Here T' occupies n bytes in the data stream, where n is a multiple of
+   the size of T. The length of the vector is not included in the
+   encoded stream.
+
+   In the following example, Datum is defined to be three consecutive
+   bytes that the protocol does not interpret, while Data is three
+   consecutive Datum, consuming a total of nine bytes.
+
+       opaque Datum[3];      /* three uninterpreted bytes */
+       Datum Data[9];        /* 3 consecutive 3 byte vectors */
+
+
+
+
+
+
+Dierks & Allen              Standards Track                     [Page 6]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Variable length vectors are defined by specifying a subrange of legal
+   lengths, inclusively, using the notation <floor..ceiling>.  When
+   encoded, the actual length precedes the vector's contents in the byte
+   stream. The length will be in the form of a number consuming as many
+   bytes as required to hold the vector's specified maximum (ceiling)
+   length. A variable length vector with an actual length field of zero
+   is referred to as an empty vector.
+
+       T T'<floor..ceiling>;
+
+   In the following example, mandatory is a vector that must contain
+   between 300 and 400 bytes of type opaque. It can never be empty. The
+   actual length field consumes two bytes, a uint16, sufficient to
+   represent the value 400 (see Section 4.4). On the other hand, longer
+   can represent up to 800 bytes of data, or 400 uint16 elements, and it
+   may be empty. Its encoding will include a two byte actual length
+   field prepended to the vector. The length of an encoded vector must
+   be an even multiple of the length of a single element (for example, a
+   17 byte vector of uint16 would be illegal).
+
+       opaque mandatory<300..400>;
+             /* length field is 2 bytes, cannot be empty */
+       uint16 longer<0..800>;
+             /* zero to 400 16-bit unsigned integers */
+
+4.4. Numbers
+
+   The basic numeric data type is an unsigned byte (uint8). All larger
+   numeric data types are formed from fixed length series of bytes
+   concatenated as described in Section 4.1 and are also unsigned. The
+   following numeric types are predefined.
+
+       uint8 uint16[2];
+       uint8 uint24[3];
+       uint8 uint32[4];
+       uint8 uint64[8];
+
+   All values, here and elsewhere in the specification, are stored in
+   "network" or "big-endian" order; the uint32 represented by the hex
+   bytes 01 02 03 04 is equivalent to the decimal value 16909060.
+
+4.5. Enumerateds
+
+   An additional sparse data type is available called enum. A field of
+   type enum can only assume the values declared in the definition.
+   Each definition is a different type. Only enumerateds of the same
+   type may be assigned or compared. Every element of an enumerated must
+
+
+
+
+Dierks & Allen              Standards Track                     [Page 7]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   be assigned a value, as demonstrated in the following example.  Since
+   the elements of the enumerated are not ordered, they can be assigned
+   any unique value, in any order.
+
+       enum { e1(v1), e2(v2), ... , en(vn) [[, (n)]] } Te;
+
+   Enumerateds occupy as much space in the byte stream as would its
+   maximal defined ordinal value. The following definition would cause
+   one byte to be used to carry fields of type Color.
+
+       enum { red(3), blue(5), white(7) } Color;
+
+   One may optionally specify a value without its associated tag to
+   force the width definition without defining a superfluous element.
+   In the following example, Taste will consume two bytes in the data
+   stream but can only assume the values 1, 2 or 4.
+
+       enum { sweet(1), sour(2), bitter(4), (32000) } Taste;
+
+   The names of the elements of an enumeration are scoped within the
+   defined type. In the first example, a fully qualified reference to
+   the second element of the enumeration would be Color.blue. Such
+   qualification is not required if the target of the assignment is well
+   specified.
+
+       Color color = Color.blue;     /* overspecified, legal */
+       Color color = blue;           /* correct, type implicit */
+
+   For enumerateds that are never converted to external representation,
+   the numerical information may be omitted.
+
+       enum { low, medium, high } Amount;
+
+4.6. Constructed types
+
+   Structure types may be constructed from primitive types for
+   convenience. Each specification declares a new, unique type. The
+   syntax for definition is much like that of C.
+
+       struct {
+         T1 f1;
+         T2 f2;
+         ...
+         Tn fn;
+       } [[T]];
+
+
+
+
+
+
+Dierks & Allen              Standards Track                     [Page 8]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   The fields within a structure may be qualified using the type's name
+   using a syntax much like that available for enumerateds. For example,
+   T.f2 refers to the second field of the previous declaration.
+   Structure definitions may be embedded.
+
+4.6.1. Variants
+
+   Defined structures may have variants based on some knowledge that is
+   available within the environment. The selector must be an enumerated
+   type that defines the possible variants the structure defines. There
+   must be a case arm for every element of the enumeration declared in
+   the select. The body of the variant structure may be given a label
+   for reference. The mechanism by which the variant is selected at
+   runtime is not prescribed by the presentation language.
+
+       struct {
+           T1 f1;
+           T2 f2;
+           ....
+           Tn fn;
+           select (E) {
+               case e1: Te1;
+               case e2: Te2;
+               ....
+               case en: Ten;
+           } [[fv]];
+       } [[Tv]];
+
+   For example:
+
+       enum { apple, orange } VariantTag;
+       struct {
+           uint16 number;
+           opaque string<0..10>; /* variable length */
+       } V1;
+       struct {
+           uint32 number;
+           opaque string[10];    /* fixed length */
+       } V2;
+       struct {
+           select (VariantTag) { /* value of selector is implicit */
+               case apple: V1;   /* VariantBody, tag = apple */
+               case orange: V2;  /* VariantBody, tag = orange */
+           } variant_body;       /* optional label on variant */
+       } VariantRecord;
+
+   Variant structures may be qualified (narrowed) by specifying a value
+   for the selector prior to the type. For example, a
+
+
+
+Dierks & Allen              Standards Track                     [Page 9]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       orange VariantRecord
+
+   is a narrowed type of a VariantRecord containing a variant_body of
+   type V2.
+
+4.7. Cryptographic attributes
+
+   The four cryptographic operations digital signing, stream cipher
+   encryption, block cipher encryption, and public key encryption are
+   designated digitally-signed, stream-ciphered, block-ciphered, and
+   public-key-encrypted, respectively. A field's cryptographic
+   processing is specified by prepending an appropriate key word
+   designation before the field's type specification. Cryptographic keys
+   are implied by the current session state (see Section 6.1).
+
+   In digital signing, one-way hash functions are used as input for a
+   signing algorithm. A digitally-signed element is encoded as an opaque
+   vector <0..2^16-1>, where the length is specified by the signing
+   algorithm and key.
+
+   In RSA signing, a 36-byte structure of two hashes (one SHA and one
+   MD5) is signed (encrypted with the private key). It is encoded with
+   PKCS #1 block type 0 or type 1 as described in [PKCS1].
+
+   In DSS, the 20 bytes of the SHA hash are run directly through the
+   Digital Signing Algorithm with no additional hashing. This produces
+   two values, r and s. The DSS signature is an opaque vector, as above,
+   the contents of which are the DER encoding of:
+
+       Dss-Sig-Value  ::=  SEQUENCE  {
+            r       INTEGER,
+            s       INTEGER
+       }
+
+   In stream cipher encryption, the plaintext is exclusive-ORed with an
+   identical amount of output generated from a cryptographically-secure
+   keyed pseudorandom number generator.
+
+   In block cipher encryption, every block of plaintext encrypts to a
+   block of ciphertext. All block cipher encryption is done in CBC
+   (Cipher Block Chaining) mode, and all items which are block-ciphered
+   will be an exact multiple of the cipher block length.
+
+   In public key encryption, a public key algorithm is used to encrypt
+   data in such a way that it can be decrypted only with the matching
+   private key. A public-key-encrypted element is encoded as an opaque
+   vector <0..2^16-1>, where the length is specified by the signing
+   algorithm and key.
+
+
+
+Dierks & Allen              Standards Track                    [Page 10]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   An RSA encrypted value is encoded with PKCS #1 block type 2 as
+   described in [PKCS1].
+
+   In the following example:
+
+       stream-ciphered struct {
+           uint8 field1;
+           uint8 field2;
+           digitally-signed opaque hash[20];
+       } UserType;
+
+   The contents of hash are used as input for the signing algorithm,
+   then the entire structure is encrypted with a stream cipher. The
+   length of this structure, in bytes would be equal to 2 bytes for
+   field1 and field2, plus two bytes for the length of the signature,
+   plus the length of the output of the signing algorithm. This is known
+   due to the fact that the algorithm and key used for the signing are
+   known prior to encoding or decoding this structure.
+
+4.8. Constants
+
+   Typed constants can be defined for purposes of specification by
+   declaring a symbol of the desired type and assigning values to it.
+   Under-specified types (opaque, variable length vectors, and
+   structures that contain opaque) cannot be assigned values. No fields
+   of a multi-element structure or vector may be elided.
+
+   For example,
+
+       struct {
+           uint8 f1;
+           uint8 f2;
+       } Example1;
+
+       Example1 ex1 = {1, 4};  /* assigns f1 = 1, f2 = 4 */
+
+5. HMAC and the pseudorandom function
+
+   A number of operations in the TLS record and handshake layer required
+   a keyed MAC; this is a secure digest of some data protected by a
+   secret. Forging the MAC is infeasible without knowledge of the MAC
+   secret. The construction we use for this operation is known as HMAC,
+   described in [HMAC].
+
+   HMAC can be used with a variety of different hash algorithms. TLS
+   uses it in the handshake with two different algorithms: MD5 and SHA-
+   1, denoting these as HMAC_MD5(secret, data) and HMAC_SHA(secret,
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 11]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   data). Additional hash algorithms can be defined by cipher suites and
+   used to protect record data, but MD5 and SHA-1 are hard coded into
+   the description of the handshaking for this version of the protocol.
+
+   In addition, a construction is required to do expansion of secrets
+   into blocks of data for the purposes of key generation or validation.
+   This pseudo-random function (PRF) takes as input a secret, a seed,
+   and an identifying label and produces an output of arbitrary length.
+
+   In order to make the PRF as secure as possible, it uses two hash
+   algorithms in a way which should guarantee its security if either
+   algorithm remains secure.
+
+   First, we define a data expansion function, P_hash(secret, data)
+   which uses a single hash function to expand a secret and seed into an
+   arbitrary quantity of output:
+
+       P_hash(secret, seed) = HMAC_hash(secret, A(1) + seed) +
+                              HMAC_hash(secret, A(2) + seed) +
+                              HMAC_hash(secret, A(3) + seed) + ...
+
+   Where + indicates concatenation.
+
+   A() is defined as:
+       A(0) = seed
+       A(i) = HMAC_hash(secret, A(i-1))
+
+   P_hash can be iterated as many times as is necessary to produce the
+   required quantity of data. For example, if P_SHA-1 was being used to
+   create 64 bytes of data, it would have to be iterated 4 times
+   (through A(4)), creating 80 bytes of output data; the last 16 bytes
+   of the final iteration would then be discarded, leaving 64 bytes of
+   output data.
+
+   TLS's PRF is created by splitting the secret into two halves and
+   using one half to generate data with P_MD5 and the other half to
+   generate data with P_SHA-1, then exclusive-or'ing the outputs of
+   these two expansion functions together.
+
+   S1 and S2 are the two halves of the secret and each is the same
+   length. S1 is taken from the first half of the secret, S2 from the
+   second half. Their length is created by rounding up the length of the
+   overall secret divided by two; thus, if the original secret is an odd
+   number of bytes long, the last byte of S1 will be the same as the
+   first byte of S2.
+
+       L_S = length in bytes of secret;
+       L_S1 = L_S2 = ceil(L_S / 2);
+
+
+
+Dierks & Allen              Standards Track                    [Page 12]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   The secret is partitioned into two halves (with the possibility of
+   one shared byte) as described above, S1 taking the first L_S1 bytes
+   and S2 the last L_S2 bytes.
+
+   The PRF is then defined as the result of mixing the two pseudorandom
+   streams by exclusive-or'ing them together.
+
+       PRF(secret, label, seed) = P_MD5(S1, label + seed) XOR
+                                  P_SHA-1(S2, label + seed);
+
+   The label is an ASCII string. It should be included in the exact form
+   it is given without a length byte or trailing null character.  For
+   example, the label "slithy toves" would be processed by hashing the
+   following bytes:
+
+       73 6C 69 74 68 79 20 74 6F 76 65 73
+
+   Note that because MD5 produces 16 byte outputs and SHA-1 produces 20
+   byte outputs, the boundaries of their internal iterations will not be
+   aligned; to generate a 80 byte output will involve P_MD5 being
+   iterated through A(5), while P_SHA-1 will only iterate through A(4).
+
+6. The TLS Record Protocol
+
+   The TLS Record Protocol is a layered protocol. At each layer,
+   messages may include fields for length, description, and content.
+   The Record Protocol takes messages to be transmitted, fragments the
+   data into manageable blocks, optionally compresses the data, applies
+   a MAC, encrypts, and transmits the result. Received data is
+   decrypted, verified, decompressed, and reassembled, then delivered to
+   higher level clients.
+
+   Four record protocol clients are described in this document: the
+   handshake protocol, the alert protocol, the change cipher spec
+   protocol, and the application data protocol. In order to allow
+   extension of the TLS protocol, additional record types can be
+   supported by the record protocol. Any new record types should
+   allocate type values immediately beyond the ContentType values for
+   the four record types described here (see Appendix A.2). If a TLS
+   implementation receives a record type it does not understand, it
+   should just ignore it. Any protocol designed for use over TLS must be
+   carefully designed to deal with all possible attacks against it.
+   Note that because the type and length of a record are not protected
+   by encryption, care should be take to minimize the value of traffic
+   analysis of these values.
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 13]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+6.1. Connection states
+
+   A TLS connection state is the operating environment of the TLS Record
+   Protocol. It specifies a compression algorithm, encryption algorithm,
+   and MAC algorithm. In addition, the parameters for these algorithms
+   are known: the MAC secret and the bulk encryption keys and IVs for
+   the connection in both the read and the write directions. Logically,
+   there are always four connection states outstanding: the current read
+   and write states, and the pending read and write states. All records
+   are processed under the current read and write states. The security
+   parameters for the pending states can be set by the TLS Handshake
+   Protocol, and the Handshake Protocol can selectively make either of
+   the pending states current, in which case the appropriate current
+   state is disposed of and replaced with the pending state; the pending
+   state is then reinitialized to an empty state. It is illegal to make
+   a state which has not been initialized with security parameters a
+   current state. The initial current state always specifies that no
+   encryption, compression, or MAC will be used.
+
+   The security parameters for a TLS Connection read and write state are
+   set by providing the following values:
+
+   connection end
+       Whether this entity is considered the "client" or the "server" in
+       this connection.
+
+   bulk encryption algorithm
+       An algorithm to be used for bulk encryption. This specification
+       includes the key size of this algorithm, how much of that key is
+       secret, whether it is a block or stream cipher, the block size of
+       the cipher (if appropriate), and whether it is considered an
+       "export" cipher.
+
+   MAC algorithm
+       An algorithm to be used for message authentication. This
+       specification includes the size of the hash which is returned by
+       the MAC algorithm.
+
+   compression algorithm
+       An algorithm to be used for data compression. This specification
+       must include all information the algorithm requires to do
+       compression.
+
+   master secret
+       A 48 byte secret shared between the two peers in the connection.
+
+   client random
+       A 32 byte value provided by the client.
+
+
+
+Dierks & Allen              Standards Track                    [Page 14]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   server random
+       A 32 byte value provided by the server.
+
+   These parameters are defined in the presentation language as:
+
+       enum { server, client } ConnectionEnd;
+
+       enum { null, rc4, rc2, des, 3des, des40 } BulkCipherAlgorithm;
+
+       enum { stream, block } CipherType;
+
+       enum { true, false } IsExportable;
+
+       enum { null, md5, sha } MACAlgorithm;
+
+       enum { null(0), (255) } CompressionMethod;
+
+       /* The algorithms specified in CompressionMethod,
+          BulkCipherAlgorithm, and MACAlgorithm may be added to. */
+
+       struct {
+           ConnectionEnd          entity;
+           BulkCipherAlgorithm    bulk_cipher_algorithm;
+           CipherType             cipher_type;
+           uint8                  key_size;
+           uint8                  key_material_length;
+           IsExportable           is_exportable;
+           MACAlgorithm           mac_algorithm;
+           uint8                  hash_size;
+           CompressionMethod      compression_algorithm;
+           opaque                 master_secret[48];
+           opaque                 client_random[32];
+           opaque                 server_random[32];
+       } SecurityParameters;
+
+   The record layer will use the security parameters to generate the
+   following six items:
+
+       client write MAC secret
+       server write MAC secret
+       client write key
+       server write key
+       client write IV (for block ciphers only)
+       server write IV (for block ciphers only)
+
+   The client write parameters are used by the server when receiving and
+   processing records and vice-versa. The algorithm used for generating
+   these items from the security parameters is described in section 6.3.
+
+
+
+Dierks & Allen              Standards Track                    [Page 15]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Once the security parameters have been set and the keys have been
+   generated, the connection states can be instantiated by making them
+   the current states. These current states must be updated for each
+   record processed. Each connection state includes the following
+   elements:
+
+   compression state
+       The current state of the compression algorithm.
+
+   cipher state
+       The current state of the encryption algorithm. This will consist
+       of the scheduled key for that connection. In addition, for block
+       ciphers running in CBC mode (the only mode specified for TLS),
+       this will initially contain the IV for that connection state and
+       be updated to contain the ciphertext of the last block encrypted
+       or decrypted as records are processed. For stream ciphers, this
+       will contain whatever the necessary state information is to allow
+       the stream to continue to encrypt or decrypt data.
+
+   MAC secret
+       The MAC secret for this connection as generated above.
+
+   sequence number
+       Each connection state contains a sequence number, which is
+       maintained separately for read and write states. The sequence
+       number must be set to zero whenever a connection state is made
+       the active state. Sequence numbers are of type uint64 and may not
+       exceed 2^64-1. A sequence number is incremented after each
+       record: specifically, the first record which is transmitted under
+       a particular connection state should use sequence number 0.
+
+6.2. Record layer
+
+   The TLS Record Layer receives uninterpreted data from higher layers
+   in non-empty blocks of arbitrary size.
+
+6.2.1. Fragmentation
+
+   The record layer fragments information blocks into TLSPlaintext
+   records carrying data in chunks of 2^14 bytes or less. Client message
+   boundaries are not preserved in the record layer (i.e., multiple
+   client messages of the same ContentType may be coalesced into a
+   single TLSPlaintext record, or a single message may be fragmented
+   across several records).
+
+       struct {
+           uint8 major, minor;
+       } ProtocolVersion;
+
+
+
+Dierks & Allen              Standards Track                    [Page 16]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       enum {
+           change_cipher_spec(20), alert(21), handshake(22),
+           application_data(23), (255)
+       } ContentType;
+
+       struct {
+           ContentType type;
+           ProtocolVersion version;
+           uint16 length;
+           opaque fragment[TLSPlaintext.length];
+       } TLSPlaintext;
+
+   type
+       The higher level protocol used to process the enclosed fragment.
+
+   version
+       The version of the protocol being employed. This document
+       describes TLS Version 1.0, which uses the version { 3, 1 }. The
+       version value 3.1 is historical: TLS version 1.0 is a minor
+       modification to the SSL 3.0 protocol, which bears the version
+       value 3.0. (See Appendix A.1).
+
+   length
+       The length (in bytes) of the following TLSPlaintext.fragment.
+       The length should not exceed 2^14.
+
+   fragment
+       The application data. This data is transparent and treated as an
+       independent block to be dealt with by the higher level protocol
+       specified by the type field.
+
+ Note: Data of different TLS Record layer content types may be
+       interleaved. Application data is generally of lower precedence
+       for transmission than other content types.
+
+6.2.2. Record compression and decompression
+
+   All records are compressed using the compression algorithm defined in
+   the current session state. There is always an active compression
+   algorithm; however, initially it is defined as
+   CompressionMethod.null. The compression algorithm translates a
+   TLSPlaintext structure into a TLSCompressed structure. Compression
+   functions are initialized with default state information whenever a
+   connection state is made active.
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 17]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Compression must be lossless and may not increase the content length
+   by more than 1024 bytes. If the decompression function encounters a
+   TLSCompressed.fragment that would decompress to a length in excess of
+   2^14 bytes, it should report a fatal decompression failure error.
+
+       struct {
+           ContentType type;       /* same as TLSPlaintext.type */
+           ProtocolVersion version;/* same as TLSPlaintext.version */
+           uint16 length;
+           opaque fragment[TLSCompressed.length];
+       } TLSCompressed;
+
+   length
+       The length (in bytes) of the following TLSCompressed.fragment.
+       The length should not exceed 2^14 + 1024.
+
+   fragment
+       The compressed form of TLSPlaintext.fragment.
+
+ Note: A CompressionMethod.null operation is an identity operation; no
+       fields are altered.
+
+   Implementation note:
+       Decompression functions are responsible for ensuring that
+       messages cannot cause internal buffer overflows.
+
+6.2.3. Record payload protection
+
+   The encryption and MAC functions translate a TLSCompressed structure
+   into a TLSCiphertext. The decryption functions reverse the process.
+   The MAC of the record also includes a sequence number so that
+   missing, extra or repeated messages are detectable.
+
+       struct {
+           ContentType type;
+           ProtocolVersion version;
+           uint16 length;
+           select (CipherSpec.cipher_type) {
+               case stream: GenericStreamCipher;
+               case block: GenericBlockCipher;
+           } fragment;
+       } TLSCiphertext;
+
+   type
+       The type field is identical to TLSCompressed.type.
+
+   version
+       The version field is identical to TLSCompressed.version.
+
+
+
+Dierks & Allen              Standards Track                    [Page 18]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   length
+       The length (in bytes) of the following TLSCiphertext.fragment.
+       The length may not exceed 2^14 + 2048.
+
+   fragment
+       The encrypted form of TLSCompressed.fragment, with the MAC.
+
+6.2.3.1. Null or standard stream cipher
+
+   Stream ciphers (including BulkCipherAlgorithm.null - see Appendix
+   A.6) convert TLSCompressed.fragment structures to and from stream
+   TLSCiphertext.fragment structures.
+
+       stream-ciphered struct {
+           opaque content[TLSCompressed.length];
+           opaque MAC[CipherSpec.hash_size];
+       } GenericStreamCipher;
+
+   The MAC is generated as:
+
+       HMAC_hash(MAC_write_secret, seq_num + TLSCompressed.type +
+                     TLSCompressed.version + TLSCompressed.length +
+                     TLSCompressed.fragment));
+
+   where "+" denotes concatenation.
+
+   seq_num
+       The sequence number for this record.
+
+   hash
+       The hashing algorithm specified by
+       SecurityParameters.mac_algorithm.
+
+   Note that the MAC is computed before encryption. The stream cipher
+   encrypts the entire block, including the MAC. For stream ciphers that
+   do not use a synchronization vector (such as RC4), the stream cipher
+   state from the end of one record is simply used on the subsequent
+   packet. If the CipherSuite is TLS_NULL_WITH_NULL_NULL, encryption
+   consists of the identity operation (i.e., the data is not encrypted
+   and the MAC size is zero implying that no MAC is used).
+   TLSCiphertext.length is TLSCompressed.length plus
+   CipherSpec.hash_size.
+
+6.2.3.2. CBC block cipher
+
+   For block ciphers (such as RC2 or DES), the encryption and MAC
+   functions convert TLSCompressed.fragment structures to and from block
+   TLSCiphertext.fragment structures.
+
+
+
+Dierks & Allen              Standards Track                    [Page 19]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       block-ciphered struct {
+           opaque content[TLSCompressed.length];
+           opaque MAC[CipherSpec.hash_size];
+           uint8 padding[GenericBlockCipher.padding_length];
+           uint8 padding_length;
+       } GenericBlockCipher;
+
+   The MAC is generated as described in Section 6.2.3.1.
+
+   padding
+       Padding that is added to force the length of the plaintext to be
+       an integral multiple of the block cipher's block length. The
+       padding may be any length up to 255 bytes long, as long as it
+       results in the TLSCiphertext.length being an integral multiple of
+       the block length. Lengths longer than necessary might be
+       desirable to frustrate attacks on a protocol based on analysis of
+       the lengths of exchanged messages. Each uint8 in the padding data
+       vector must be filled with the padding length value.
+
+   padding_length
+       The padding length should be such that the total size of the
+       GenericBlockCipher structure is a multiple of the cipher's block
+       length. Legal values range from zero to 255, inclusive. This
+       length specifies the length of the padding field exclusive of the
+       padding_length field itself.
+
+   The encrypted data length (TLSCiphertext.length) is one more than the
+   sum of TLSCompressed.length, CipherSpec.hash_size, and
+   padding_length.
+
+ Example: If the block length is 8 bytes, the content length
+          (TLSCompressed.length) is 61 bytes, and the MAC length is 20
+          bytes, the length before padding is 82 bytes. Thus, the
+          padding length modulo 8 must be equal to 6 in order to make
+          the total length an even multiple of 8 bytes (the block
+          length). The padding length can be 6, 14, 22, and so on,
+          through 254. If the padding length were the minimum necessary,
+          6, the padding would be 6 bytes, each containing the value 6.
+          Thus, the last 8 octets of the GenericBlockCipher before block
+          encryption would be xx 06 06 06 06 06 06 06, where xx is the
+          last octet of the MAC.
+
+ Note: With block ciphers in CBC mode (Cipher Block Chaining) the
+       initialization vector (IV) for the first record is generated with
+       the other keys and secrets when the security parameters are set.
+       The IV for subsequent records is the last ciphertext block from
+       the previous record.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 20]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+6.3. Key calculation
+
+   The Record Protocol requires an algorithm to generate keys, IVs, and
+   MAC secrets from the security parameters provided by the handshake
+   protocol.
+
+   The master secret is hashed into a sequence of secure bytes, which
+   are assigned to the MAC secrets, keys, and non-export IVs required by
+   the current connection state (see Appendix A.6). CipherSpecs require
+   a client write MAC secret, a server write MAC secret, a client write
+   key, a server write key, a client write IV, and a server write IV,
+   which are generated from the master secret in that order. Unused
+   values are empty.
+
+   When generating keys and MAC secrets, the master secret is used as an
+   entropy source, and the random values provide unencrypted salt
+   material and IVs for exportable ciphers.
+
+   To generate the key material, compute
+
+       key_block = PRF(SecurityParameters.master_secret,
+                          "key expansion",
+                          SecurityParameters.server_random +
+                          SecurityParameters.client_random);
+
+   until enough output has been generated. Then the key_block is
+   partitioned as follows:
+
+       client_write_MAC_secret[SecurityParameters.hash_size]
+       server_write_MAC_secret[SecurityParameters.hash_size]
+       client_write_key[SecurityParameters.key_material_length]
+       server_write_key[SecurityParameters.key_material_length]
+       client_write_IV[SecurityParameters.IV_size]
+       server_write_IV[SecurityParameters.IV_size]
+
+   The client_write_IV and server_write_IV are only generated for non-
+   export block ciphers. For exportable block ciphers, the
+   initialization vectors are generated later, as described below. Any
+   extra key_block material is discarded.
+
+   Implementation note:
+       The cipher spec which is defined in this document which requires
+       the most material is 3DES_EDE_CBC_SHA: it requires 2 x 24 byte
+       keys, 2 x 20 byte MAC secrets, and 2 x 8 byte IVs, for a total of
+       104 bytes of key material.
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 21]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Exportable encryption algorithms (for which CipherSpec.is_exportable
+   is true) require additional processing as follows to derive their
+   final write keys:
+
+       final_client_write_key =
+       PRF(SecurityParameters.client_write_key,
+                                  "client write key",
+                                  SecurityParameters.client_random +
+                                  SecurityParameters.server_random);
+       final_server_write_key =
+       PRF(SecurityParameters.server_write_key,
+                                  "server write key",
+                                  SecurityParameters.client_random +
+                                  SecurityParameters.server_random);
+
+   Exportable encryption algorithms derive their IVs solely from the
+   random values from the hello messages:
+
+       iv_block = PRF("", "IV block", SecurityParameters.client_random +
+                      SecurityParameters.server_random);
+
+   The iv_block is partitioned into two initialization vectors as the
+   key_block was above:
+
+       client_write_IV[SecurityParameters.IV_size]
+       server_write_IV[SecurityParameters.IV_size]
+
+   Note that the PRF is used without a secret in this case: this just
+   means that the secret has a length of zero bytes and contributes
+   nothing to the hashing in the PRF.
+
+6.3.1. Export key generation example
+
+   TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 requires five random bytes for
+   each of the two encryption keys and 16 bytes for each of the MAC
+   keys, for a total of 42 bytes of key material. The PRF output is
+   stored in the key_block. The key_block is partitioned, and the write
+   keys are salted because this is an exportable encryption algorithm.
+
+       key_block               = PRF(master_secret,
+                                     "key expansion",
+                                     server_random +
+                                     client_random)[0..41]
+       client_write_MAC_secret = key_block[0..15]
+       server_write_MAC_secret = key_block[16..31]
+       client_write_key        = key_block[32..36]
+       server_write_key        = key_block[37..41]
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 22]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       final_client_write_key  = PRF(client_write_key,
+                                     "client write key",
+                                     client_random +
+                                     server_random)[0..15]
+       final_server_write_key  = PRF(server_write_key,
+                                     "server write key",
+                                     client_random +
+                                     server_random)[0..15]
+
+       iv_block                = PRF("", "IV block", client_random +
+                                     server_random)[0..15]
+       client_write_IV = iv_block[0..7]
+       server_write_IV = iv_block[8..15]
+
+7. The TLS Handshake Protocol
+
+   The TLS Handshake Protocol consists of a suite of three sub-protocols
+   which are used to allow peers to agree upon security parameters for
+   the record layer, authenticate themselves, instantiate negotiated
+   security parameters, and report error conditions to each other.
+
+   The Handshake Protocol is responsible for negotiating a session,
+   which consists of the following items:
+
+   session identifier
+       An arbitrary byte sequence chosen by the server to identify an
+       active or resumable session state.
+
+   peer certificate
+       X509v3 [X509] certificate of the peer. This element of the state
+       may be null.
+
+   compression method
+       The algorithm used to compress data prior to encryption.
+
+   cipher spec
+       Specifies the bulk data encryption algorithm (such as null, DES,
+       etc.) and a MAC algorithm (such as MD5 or SHA). It also defines
+       cryptographic attributes such as the hash_size. (See Appendix A.6
+       for formal definition)
+
+   master secret
+       48-byte secret shared between the client and server.
+
+   is resumable
+       A flag indicating whether the session can be used to initiate new
+       connections.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 23]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   These items are then used to create security parameters for use by
+   the Record Layer when protecting application data. Many connections
+   can be instantiated using the same session through the resumption
+   feature of the TLS Handshake Protocol.
+
+7.1. Change cipher spec protocol
+
+   The change cipher spec protocol exists to signal transitions in
+   ciphering strategies. The protocol consists of a single message,
+   which is encrypted and compressed under the current (not the pending)
+   connection state. The message consists of a single byte of value 1.
+
+       struct {
+           enum { change_cipher_spec(1), (255) } type;
+       } ChangeCipherSpec;
+
+   The change cipher spec message is sent by both the client and server
+   to notify the receiving party that subsequent records will be
+   protected under the newly negotiated CipherSpec and keys. Reception
+   of this message causes the receiver to instruct the Record Layer to
+   immediately copy the read pending state into the read current state.
+   Immediately after sending this message, the sender should instruct
+   the record layer to make the write pending state the write active
+   state. (See section 6.1.) The change cipher spec message is sent
+   during the handshake after the security parameters have been agreed
+   upon, but before the verifying finished message is sent (see section
+   7.4.9).
+
+7.2. Alert protocol
+
+   One of the content types supported by the TLS Record layer is the
+   alert type. Alert messages convey the severity of the message and a
+   description of the alert. Alert messages with a level of fatal result
+   in the immediate termination of the connection. In this case, other
+   connections corresponding to the session may continue, but the
+   session identifier must be invalidated, preventing the failed session
+   from being used to establish new connections. Like other messages,
+   alert messages are encrypted and compressed, as specified by the
+   current connection state.
+
+       enum { warning(1), fatal(2), (255) } AlertLevel;
+
+       enum {
+           close_notify(0),
+           unexpected_message(10),
+           bad_record_mac(20),
+           decryption_failed(21),
+           record_overflow(22),
+
+
+
+Dierks & Allen              Standards Track                    [Page 24]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+           decompression_failure(30),
+           handshake_failure(40),
+           bad_certificate(42),
+           unsupported_certificate(43),
+           certificate_revoked(44),
+           certificate_expired(45),
+           certificate_unknown(46),
+           illegal_parameter(47),
+           unknown_ca(48),
+           access_denied(49),
+           decode_error(50),
+           decrypt_error(51),
+           export_restriction(60),
+           protocol_version(70),
+           insufficient_security(71),
+           internal_error(80),
+           user_canceled(90),
+           no_renegotiation(100),
+           (255)
+       } AlertDescription;
+
+       struct {
+           AlertLevel level;
+           AlertDescription description;
+       } Alert;
+
+7.2.1. Closure alerts
+
+   The client and the server must share knowledge that the connection is
+   ending in order to avoid a truncation attack. Either party may
+   initiate the exchange of closing messages.
+
+   close_notify
+       This message notifies the recipient that the sender will not send
+       any more messages on this connection. The session becomes
+       unresumable if any connection is terminated without proper
+       close_notify messages with level equal to warning.
+
+   Either party may initiate a close by sending a close_notify alert.
+   Any data received after a closure alert is ignored.
+
+   Each party is required to send a close_notify alert before closing
+   the write side of the connection. It is required that the other party
+   respond with a close_notify alert of its own and close down the
+   connection immediately, discarding any pending writes. It is not
+   required for the initiator of the close to wait for the responding
+   close_notify alert before closing the read side of the connection.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 25]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   If the application protocol using TLS provides that any data may be
+   carried over the underlying transport after the TLS connection is
+   closed, the TLS implementation must receive the responding
+   close_notify alert before indicating to the application layer that
+   the TLS connection has ended. If the application protocol will not
+   transfer any additional data, but will only close the underlying
+   transport connection, then the implementation may choose to close the
+   transport without waiting for the responding close_notify. No part of
+   this standard should be taken to dictate the manner in which a usage
+   profile for TLS manages its data transport, including when
+   connections are opened or closed.
+
+   NB: It is assumed that closing a connection reliably delivers
+       pending data before destroying the transport.
+
+7.2.2. Error alerts
+
+   Error handling in the TLS Handshake protocol is very simple. When an
+   error is detected, the detecting party sends a message to the other
+   party. Upon transmission or receipt of an fatal alert message, both
+   parties immediately close the connection. Servers and clients are
+   required to forget any session-identifiers, keys, and secrets
+   associated with a failed connection. The following error alerts are
+   defined:
+
+   unexpected_message
+       An inappropriate message was received. This alert is always fatal
+       and should never be observed in communication between proper
+       implementations.
+
+   bad_record_mac
+       This alert is returned if a record is received with an incorrect
+       MAC. This message is always fatal.
+
+   decryption_failed
+       A TLSCiphertext decrypted in an invalid way: either it wasn`t an
+       even multiple of the block length or its padding values, when
+       checked, weren`t correct. This message is always fatal.
+
+   record_overflow
+       A TLSCiphertext record was received which had a length more than
+       2^14+2048 bytes, or a record decrypted to a TLSCompressed record
+       with more than 2^14+1024 bytes. This message is always fatal.
+
+   decompression_failure
+       The decompression function received improper input (e.g. data
+       that would expand to excessive length). This message is always
+       fatal.
+
+
+
+Dierks & Allen              Standards Track                    [Page 26]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   handshake_failure
+       Reception of a handshake_failure alert message indicates that the
+       sender was unable to negotiate an acceptable set of security
+       parameters given the options available. This is a fatal error.
+
+   bad_certificate
+       A certificate was corrupt, contained signatures that did not
+       verify correctly, etc.
+
+   unsupported_certificate
+       A certificate was of an unsupported type.
+
+   certificate_revoked
+       A certificate was revoked by its signer.
+
+   certificate_expired
+       A certificate has expired or is not currently valid.
+
+   certificate_unknown
+       Some other (unspecified) issue arose in processing the
+       certificate, rendering it unacceptable.
+
+   illegal_parameter
+       A field in the handshake was out of range or inconsistent with
+       other fields. This is always fatal.
+
+   unknown_ca
+       A valid certificate chain or partial chain was received, but the
+       certificate was not accepted because the CA certificate could not
+       be located or couldn`t be matched with a known, trusted CA.  This
+       message is always fatal.
+
+   access_denied
+       A valid certificate was received, but when access control was
+       applied, the sender decided not to proceed with negotiation.
+       This message is always fatal.
+
+   decode_error
+       A message could not be decoded because some field was out of the
+       specified range or the length of the message was incorrect. This
+       message is always fatal.
+
+   decrypt_error
+       A handshake cryptographic operation failed, including being
+       unable to correctly verify a signature, decrypt a key exchange,
+       or validate a finished message.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 27]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   export_restriction
+       A negotiation not in compliance with export restrictions was
+       detected; for example, attempting to transfer a 1024 bit
+       ephemeral RSA key for the RSA_EXPORT handshake method. This
+       message is always fatal.
+
+   protocol_version
+       The protocol version the client has attempted to negotiate is
+       recognized, but not supported. (For example, old protocol
+       versions might be avoided for security reasons). This message is
+       always fatal.
+
+   insufficient_security
+       Returned instead of handshake_failure when a negotiation has
+       failed specifically because the server requires ciphers more
+       secure than those supported by the client. This message is always
+       fatal.
+
+   internal_error
+       An internal error unrelated to the peer or the correctness of the
+       protocol makes it impossible to continue (such as a memory
+       allocation failure). This message is always fatal.
+
+   user_canceled
+       This handshake is being canceled for some reason unrelated to a
+       protocol failure. If the user cancels an operation after the
+       handshake is complete, just closing the connection by sending a
+       close_notify is more appropriate. This alert should be followed
+       by a close_notify. This message is generally a warning.
+
+   no_renegotiation
+       Sent by the client in response to a hello request or by the
+       server in response to a client hello after initial handshaking.
+       Either of these would normally lead to renegotiation; when that
+       is not appropriate, the recipient should respond with this alert;
+       at that point, the original requester can decide whether to
+       proceed with the connection. One case where this would be
+       appropriate would be where a server has spawned a process to
+       satisfy a request; the process might receive security parameters
+       (key length, authentication, etc.) at startup and it might be
+       difficult to communicate changes to these parameters after that
+       point. This message is always a warning.
+
+   For all errors where an alert level is not explicitly specified, the
+   sending party may determine at its discretion whether this is a fatal
+   error or not; if an alert with a level of warning is received, the
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 28]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   receiving party may decide at its discretion whether to treat this as
+   a fatal error or not. However, all messages which are transmitted
+   with a level of fatal must be treated as fatal messages.
+
+7.3. Handshake Protocol overview
+
+   The cryptographic parameters of the session state are produced by the
+   TLS Handshake Protocol, which operates on top of the TLS Record
+   Layer. When a TLS client and server first start communicating, they
+   agree on a protocol version, select cryptographic algorithms,
+   optionally authenticate each other, and use public-key encryption
+   techniques to generate shared secrets.
+
+   The TLS Handshake Protocol involves the following steps:
+
+     - Exchange hello messages to agree on algorithms, exchange random
+       values, and check for session resumption.
+
+     - Exchange the necessary cryptographic parameters to allow the
+       client and server to agree on a premaster secret.
+
+     - Exchange certificates and cryptographic information to allow the
+       client and server to authenticate themselves.
+
+     - Generate a master secret from the premaster secret and exchanged
+       random values.
+
+     - Provide security parameters to the record layer.
+
+     - Allow the client and server to verify that their peer has
+       calculated the same security parameters and that the handshake
+       occurred without tampering by an attacker.
+
+   Note that higher layers should not be overly reliant on TLS always
+   negotiating the strongest possible connection between two peers:
+   there are a number of ways a man in the middle attacker can attempt
+   to make two entities drop down to the least secure method they
+   support. The protocol has been designed to minimize this risk, but
+   there are still attacks available: for example, an attacker could
+   block access to the port a secure service runs on, or attempt to get
+   the peers to negotiate an unauthenticated connection. The fundamental
+   rule is that higher levels must be cognizant of what their security
+   requirements are and never transmit information over a channel less
+   secure than what they require. The TLS protocol is secure, in that
+   any cipher suite offers its promised level of security: if you
+   negotiate 3DES with a 1024 bit RSA key exchange with a host whose
+   certificate you have verified, you can expect to be that secure.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 29]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   However, you should never send data over a link encrypted with 40 bit
+   security unless you feel that data is worth no more than the effort
+   required to break that encryption.
+
+   These goals are achieved by the handshake protocol, which can be
+   summarized as follows: The client sends a client hello message to
+   which the server must respond with a server hello message, or else a
+   fatal error will occur and the connection will fail. The client hello
+   and server hello are used to establish security enhancement
+   capabilities between client and server. The client hello and server
+   hello establish the following attributes: Protocol Version, Session
+   ID, Cipher Suite, and Compression Method. Additionally, two random
+   values are generated and exchanged: ClientHello.random and
+   ServerHello.random.
+
+   The actual key exchange uses up to four messages: the server
+   certificate, the server key exchange, the client certificate, and the
+   client key exchange. New key exchange methods can be created by
+   specifying a format for these messages and defining the use of the
+   messages to allow the client and server to agree upon a shared
+   secret. This secret should be quite long; currently defined key
+   exchange methods exchange secrets which range from 48 to 128 bytes in
+   length.
+
+   Following the hello messages, the server will send its certificate,
+   if it is to be authenticated. Additionally, a server key exchange
+   message may be sent, if it is required (e.g. if their server has no
+   certificate, or if its certificate is for signing only). If the
+   server is authenticated, it may request a certificate from the
+   client, if that is appropriate to the cipher suite selected. Now the
+   server will send the server hello done message, indicating that the
+   hello-message phase of the handshake is complete. The server will
+   then wait for a client response. If the server has sent a certificate
+   request message, the client must send the certificate message. The
+   client key exchange message is now sent, and the content of that
+   message will depend on the public key algorithm selected between the
+   client hello and the server hello. If the client has sent a
+   certificate with signing ability, a digitally-signed certificate
+   verify message is sent to explicitly verify the certificate.
+
+   At this point, a change cipher spec message is sent by the client,
+   and the client copies the pending Cipher Spec into the current Cipher
+   Spec. The client then immediately sends the finished message under
+   the new algorithms, keys, and secrets. In response, the server will
+   send its own change cipher spec message, transfer the pending to the
+   current Cipher Spec, and send its finished message under the new
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 30]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Cipher Spec. At this point, the handshake is complete and the client
+   and server may begin to exchange application layer data. (See flow
+   chart below.)
+
+      Client                                               Server
+
+      ClientHello                  -------->
+                                                      ServerHello
+                                                     Certificate*
+                                               ServerKeyExchange*
+                                              CertificateRequest*
+                                   <--------      ServerHelloDone
+      Certificate*
+      ClientKeyExchange
+      CertificateVerify*
+      [ChangeCipherSpec]
+      Finished                     -------->
+                                               [ChangeCipherSpec]
+                                   <--------             Finished
+      Application Data             <------->     Application Data
+
+             Fig. 1 - Message flow for a full handshake
+
+   * Indicates optional or situation-dependent messages that are not
+   always sent.
+
+  Note: To help avoid pipeline stalls, ChangeCipherSpec is an
+       independent TLS Protocol content type, and is not actually a TLS
+       handshake message.
+
+   When the client and server decide to resume a previous session or
+   duplicate an existing session (instead of negotiating new security
+   parameters) the message flow is as follows:
+
+   The client sends a ClientHello using the Session ID of the session to
+   be resumed. The server then checks its session cache for a match.  If
+   a match is found, and the server is willing to re-establish the
+   connection under the specified session state, it will send a
+   ServerHello with the same Session ID value. At this point, both
+   client and server must send change cipher spec messages and proceed
+   directly to finished messages. Once the re-establishment is complete,
+   the client and server may begin to exchange application layer data.
+   (See flow chart below.) If a Session ID match is not found, the
+   server generates a new session ID and the TLS client and server
+   perform a full handshake.
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 31]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+      Client                                                Server
+
+      ClientHello                   -------->
+                                                       ServerHello
+                                                [ChangeCipherSpec]
+                                    <--------             Finished
+      [ChangeCipherSpec]
+      Finished                      -------->
+      Application Data              <------->     Application Data
+
+          Fig. 2 - Message flow for an abbreviated handshake
+
+   The contents and significance of each message will be presented in
+   detail in the following sections.
+
+7.4. Handshake protocol
+
+   The TLS Handshake Protocol is one of the defined higher level clients
+   of the TLS Record Protocol. This protocol is used to negotiate the
+   secure attributes of a session. Handshake messages are supplied to
+   the TLS Record Layer, where they are encapsulated within one or more
+   TLSPlaintext structures, which are processed and transmitted as
+   specified by the current active session state.
+
+       enum {
+           hello_request(0), client_hello(1), server_hello(2),
+           certificate(11), server_key_exchange (12),
+           certificate_request(13), server_hello_done(14),
+           certificate_verify(15), client_key_exchange(16),
+           finished(20), (255)
+       } HandshakeType;
+
+       struct {
+           HandshakeType msg_type;    /* handshake type */
+           uint24 length;             /* bytes in message */
+           select (HandshakeType) {
+               case hello_request:       HelloRequest;
+               case client_hello:        ClientHello;
+               case server_hello:        ServerHello;
+               case certificate:         Certificate;
+               case server_key_exchange: ServerKeyExchange;
+               case certificate_request: CertificateRequest;
+               case server_hello_done:   ServerHelloDone;
+               case certificate_verify:  CertificateVerify;
+               case client_key_exchange: ClientKeyExchange;
+               case finished:            Finished;
+           } body;
+       } Handshake;
+
+
+
+Dierks & Allen              Standards Track                    [Page 32]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   The handshake protocol messages are presented below in the order they
+   must be sent; sending handshake messages in an unexpected order
+   results in a fatal error. Unneeded handshake messages can be omitted,
+   however. Note one exception to the ordering: the Certificate message
+   is used twice in the handshake (from server to client, then from
+   client to server), but described only in its first position. The one
+   message which is not bound by these ordering rules in the Hello
+   Request message, which can be sent at any time, but which should be
+   ignored by the client if it arrives in the middle of a handshake.
+
+7.4.1. Hello messages
+
+   The hello phase messages are used to exchange security enhancement
+   capabilities between the client and server. When a new session
+   begins, the Record Layer's connection state encryption, hash, and
+   compression algorithms are initialized to null. The current
+   connection state is used for renegotiation messages.
+
+7.4.1.1. Hello request
+
+   When this message will be sent:
+       The hello request message may be sent by the server at any time.
+
+   Meaning of this message:
+       Hello request is a simple notification that the client should
+       begin the negotiation process anew by sending a client hello
+       message when convenient. This message will be ignored by the
+       client if the client is currently negotiating a session. This
+       message may be ignored by the client if it does not wish to
+       renegotiate a session, or the client may, if it wishes, respond
+       with a no_renegotiation alert. Since handshake messages are
+       intended to have transmission precedence over application data,
+       it is expected that the negotiation will begin before no more
+       than a few records are received from the client. If the server
+       sends a hello request but does not receive a client hello in
+       response, it may close the connection with a fatal alert.
+
+   After sending a hello request, servers should not repeat the request
+   until the subsequent handshake negotiation is complete.
+
+   Structure of this message:
+       struct { } HelloRequest;
+
+ Note: This message should never be included in the message hashes which
+       are maintained throughout the handshake and used in the finished
+       messages and the certificate verify message.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 33]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+7.4.1.2. Client hello
+
+   When this message will be sent:
+       When a client first connects to a server it is required to send
+       the client hello as its first message. The client can also send a
+       client hello in response to a hello request or on its own
+       initiative in order to renegotiate the security parameters in an
+       existing connection.
+
+       Structure of this message:
+           The client hello message includes a random structure, which is
+           used later in the protocol.
+
+           struct {
+              uint32 gmt_unix_time;
+              opaque random_bytes[28];
+           } Random;
+
+       gmt_unix_time
+       The current time and date in standard UNIX 32-bit format (seconds
+       since the midnight starting Jan 1, 1970, GMT) according to the
+       sender's internal clock. Clocks are not required to be set
+       correctly by the basic TLS Protocol; higher level or application
+       protocols may define additional requirements.
+
+   random_bytes
+       28 bytes generated by a secure random number generator.
+
+   The client hello message includes a variable length session
+   identifier. If not empty, the value identifies a session between the
+   same client and server whose security parameters the client wishes to
+   reuse. The session identifier may be from an earlier connection, this
+   connection, or another currently active connection. The second option
+   is useful if the client only wishes to update the random structures
+   and derived values of a connection, while the third option makes it
+   possible to establish several independent secure connections without
+   repeating the full handshake protocol. These independent connections
+   may occur sequentially or simultaneously; a SessionID becomes valid
+   when the handshake negotiating it completes with the exchange of
+   Finished messages and persists until removed due to aging or because
+   a fatal error was encountered on a connection associated with the
+   session. The actual contents of the SessionID are defined by the
+   server.
+
+       opaque SessionID<0..32>;
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 34]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Warning:
+       Because the SessionID is transmitted without encryption or
+       immediate MAC protection, servers must not place confidential
+       information in session identifiers or let the contents of fake
+       session identifiers cause any breach of security. (Note that the
+       content of the handshake as a whole, including the SessionID, is
+       protected by the Finished messages exchanged at the end of the
+       handshake.)
+
+   The CipherSuite list, passed from the client to the server in the
+   client hello message, contains the combinations of cryptographic
+   algorithms supported by the client in order of the client's
+   preference (favorite choice first). Each CipherSuite defines a key
+   exchange algorithm, a bulk encryption algorithm (including secret key
+   length) and a MAC algorithm. The server will select a cipher suite
+   or, if no acceptable choices are presented, return a handshake
+   failure alert and close the connection.
+
+       uint8 CipherSuite[2];    /* Cryptographic suite selector */
+
+   The client hello includes a list of compression algorithms supported
+   by the client, ordered according to the client's preference.
+
+       enum { null(0), (255) } CompressionMethod;
+
+       struct {
+           ProtocolVersion client_version;
+           Random random;
+           SessionID session_id;
+           CipherSuite cipher_suites<2..2^16-1>;
+           CompressionMethod compression_methods<1..2^8-1>;
+       } ClientHello;
+
+   client_version
+       The version of the TLS protocol by which the client wishes to
+       communicate during this session. This should be the latest
+       (highest valued) version supported by the client. For this
+       version of the specification, the version will be 3.1 (See
+       Appendix E for details about backward compatibility).
+
+   random
+       A client-generated random structure.
+
+   session_id
+       The ID of a session the client wishes to use for this connection.
+       This field should be empty if no session_id is available or the
+       client wishes to generate new security parameters.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 35]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   cipher_suites
+       This is a list of the cryptographic options supported by the
+       client, with the client's first preference first. If the
+       session_id field is not empty (implying a session resumption
+       request) this vector must include at least the cipher_suite from
+       that session. Values are defined in Appendix A.5.
+
+   compression_methods
+       This is a list of the compression methods supported by the
+       client, sorted by client preference. If the session_id field is
+       not empty (implying a session resumption request) it must include
+       the compression_method from that session. This vector must
+       contain, and all implementations must support,
+       CompressionMethod.null. Thus, a client and server will always be
+       able to agree on a compression method.
+
+   After sending the client hello message, the client waits for a server
+   hello message. Any other handshake message returned by the server
+   except for a hello request is treated as a fatal error.
+
+   Forward compatibility note:
+       In the interests of forward compatibility, it is permitted for a
+       client hello message to include extra data after the compression
+       methods. This data must be included in the handshake hashes, but
+       must otherwise be ignored. This is the only handshake message for
+       which this is legal; for all other messages, the amount of data
+       in the message must match the description of the message
+       precisely.
+
+7.4.1.3. Server hello
+
+   When this message will be sent:
+       The server will send this message in response to a client hello
+       message when it was able to find an acceptable set of algorithms.
+       If it cannot find such a match, it will respond with a handshake
+       failure alert.
+
+   Structure of this message:
+       struct {
+           ProtocolVersion server_version;
+           Random random;
+           SessionID session_id;
+           CipherSuite cipher_suite;
+           CompressionMethod compression_method;
+       } ServerHello;
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 36]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   server_version
+       This field will contain the lower of that suggested by the client
+       in the client hello and the highest supported by the server. For
+       this version of the specification, the version is 3.1 (See
+       Appendix E for details about backward compatibility).
+
+   random
+       This structure is generated by the server and must be different
+       from (and independent of) ClientHello.random.
+
+   session_id
+       This is the identity of the session corresponding to this
+       connection. If the ClientHello.session_id was non-empty, the
+       server will look in its session cache for a match. If a match is
+       found and the server is willing to establish the new connection
+       using the specified session state, the server will respond with
+       the same value as was supplied by the client. This indicates a
+       resumed session and dictates that the parties must proceed
+       directly to the finished messages. Otherwise this field will
+       contain a different value identifying the new session. The server
+       may return an empty session_id to indicate that the session will
+       not be cached and therefore cannot be resumed. If a session is
+       resumed, it must be resumed using the same cipher suite it was
+       originally negotiated with.
+
+   cipher_suite
+       The single cipher suite selected by the server from the list in
+       ClientHello.cipher_suites. For resumed sessions this field is the
+       value from the state of the session being resumed.
+
+   compression_method
+       The single compression algorithm selected by the server from the
+       list in ClientHello.compression_methods. For resumed sessions
+       this field is the value from the resumed session state.
+
+7.4.2. Server certificate
+
+   When this message will be sent:
+       The server must send a certificate whenever the agreed-upon key
+       exchange method is not an anonymous one. This message will always
+       immediately follow the server hello message.
+
+   Meaning of this message:
+       The certificate type must be appropriate for the selected cipher
+       suite's key exchange algorithm, and is generally an X.509v3
+       certificate. It must contain a key which matches the key exchange
+       method, as follows. Unless otherwise specified, the signing
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 37]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       algorithm for the certificate must be the same as the algorithm
+       for the certificate key. Unless otherwise specified, the public
+       key may be of any length.
+
+       Key Exchange Algorithm  Certificate Key Type
+
+       RSA                     RSA public key; the certificate must
+                               allow the key to be used for encryption.
+
+       RSA_EXPORT              RSA public key of length greater than
+                               512 bits which can be used for signing,
+                               or a key of 512 bits or shorter which
+                               can be used for either encryption or
+                               signing.
+
+       DHE_DSS                 DSS public key.
+
+       DHE_DSS_EXPORT          DSS public key.
+
+       DHE_RSA                 RSA public key which can be used for
+                               signing.
+
+       DHE_RSA_EXPORT          RSA public key which can be used for
+                               signing.
+
+       DH_DSS                  Diffie-Hellman key. The algorithm used
+                               to sign the certificate should be DSS.
+
+       DH_RSA                  Diffie-Hellman key. The algorithm used
+                               to sign the certificate should be RSA.
+
+   All certificate profiles, key and cryptographic formats are defined
+   by the IETF PKIX working group [PKIX]. When a key usage extension is
+   present, the digitalSignature bit must be set for the key to be
+   eligible for signing, as described above, and the keyEncipherment bit
+   must be present to allow encryption, as described above. The
+   keyAgreement bit must be set on Diffie-Hellman certificates.
+
+   As CipherSuites which specify new key exchange methods are specified
+   for the TLS Protocol, they will imply certificate format and the
+   required encoded keying information.
+
+   Structure of this message:
+       opaque ASN.1Cert<1..2^24-1>;
+
+       struct {
+           ASN.1Cert certificate_list<0..2^24-1>;
+       } Certificate;
+
+
+
+Dierks & Allen              Standards Track                    [Page 38]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   certificate_list
+       This is a sequence (chain) of X.509v3 certificates. The sender's
+       certificate must come first in the list. Each following
+       certificate must directly certify the one preceding it. Because
+       certificate validation requires that root keys be distributed
+       independently, the self-signed certificate which specifies the
+       root certificate authority may optionally be omitted from the
+       chain, under the assumption that the remote end must already
+       possess it in order to validate it in any case.
+
+   The same message type and structure will be used for the client's
+   response to a certificate request message. Note that a client may
+   send no certificates if it does not have an appropriate certificate
+   to send in response to the server's authentication request.
+
+ Note: PKCS #7 [PKCS7] is not used as the format for the certificate
+       vector because PKCS #6 [PKCS6] extended certificates are not
+       used. Also PKCS #7 defines a SET rather than a SEQUENCE, making
+       the task of parsing the list more difficult.
+
+7.4.3. Server key exchange message
+
+   When this message will be sent:
+       This message will be sent immediately after the server
+       certificate message (or the server hello message, if this is an
+       anonymous negotiation).
+
+       The server key exchange message is sent by the server only when
+       the server certificate message (if sent) does not contain enough
+       data to allow the client to exchange a premaster secret. This is
+       true for the following key exchange methods:
+
+           RSA_EXPORT (if the public key in the server certificate is
+           longer than 512 bits)
+           DHE_DSS
+           DHE_DSS_EXPORT
+           DHE_RSA
+           DHE_RSA_EXPORT
+           DH_anon
+
+       It is not legal to send the server key exchange message for the
+       following key exchange methods:
+
+           RSA
+           RSA_EXPORT (when the public key in the server certificate is
+           less than or equal to 512 bits in length)
+           DH_DSS
+           DH_RSA
+
+
+
+Dierks & Allen              Standards Track                    [Page 39]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Meaning of this message:
+       This message conveys cryptographic information to allow the
+       client to communicate the premaster secret: either an RSA public
+       key to encrypt the premaster secret with, or a Diffie-Hellman
+       public key with which the client can complete a key exchange
+       (with the result being the premaster secret.)
+
+   As additional CipherSuites are defined for TLS which include new key
+   exchange algorithms, the server key exchange message will be sent if
+   and only if the certificate type associated with the key exchange
+   algorithm does not provide enough information for the client to
+   exchange a premaster secret.
+
+ Note: According to current US export law, RSA moduli larger than 512
+       bits may not be used for key exchange in software exported from
+       the US. With this message, the larger RSA keys encoded in
+       certificates may be used to sign temporary shorter RSA keys for
+       the RSA_EXPORT key exchange method.
+
+   Structure of this message:
+       enum { rsa, diffie_hellman } KeyExchangeAlgorithm;
+
+       struct {
+           opaque rsa_modulus<1..2^16-1>;
+           opaque rsa_exponent<1..2^16-1>;
+       } ServerRSAParams;
+
+       rsa_modulus
+           The modulus of the server's temporary RSA key.
+
+       rsa_exponent
+           The public exponent of the server's temporary RSA key.
+
+       struct {
+           opaque dh_p<1..2^16-1>;
+           opaque dh_g<1..2^16-1>;
+           opaque dh_Ys<1..2^16-1>;
+       } ServerDHParams;     /* Ephemeral DH parameters */
+
+       dh_p
+           The prime modulus used for the Diffie-Hellman operation.
+
+       dh_g
+           The generator used for the Diffie-Hellman operation.
+
+       dh_Ys
+           The server's Diffie-Hellman public value (g^X mod p).
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 40]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       struct {
+           select (KeyExchangeAlgorithm) {
+               case diffie_hellman:
+                   ServerDHParams params;
+                   Signature signed_params;
+               case rsa:
+                   ServerRSAParams params;
+                   Signature signed_params;
+           };
+       } ServerKeyExchange;
+
+       params
+           The server's key exchange parameters.
+
+       signed_params
+           For non-anonymous key exchanges, a hash of the corresponding
+           params value, with the signature appropriate to that hash
+           applied.
+
+       md5_hash
+           MD5(ClientHello.random + ServerHello.random + ServerParams);
+
+       sha_hash
+           SHA(ClientHello.random + ServerHello.random + ServerParams);
+
+       enum { anonymous, rsa, dsa } SignatureAlgorithm;
+
+       select (SignatureAlgorithm)
+       {   case anonymous: struct { };
+           case rsa:
+               digitally-signed struct {
+                   opaque md5_hash[16];
+                   opaque sha_hash[20];
+               };
+           case dsa:
+               digitally-signed struct {
+                   opaque sha_hash[20];
+               };
+       } Signature;
+
+7.4.4. Certificate request
+
+   When this message will be sent:
+       A non-anonymous server can optionally request a certificate from
+       the client, if appropriate for the selected cipher suite. This
+       message, if sent, will immediately follow the Server Key Exchange
+       message (if it is sent; otherwise, the Server Certificate
+       message).
+
+
+
+Dierks & Allen              Standards Track                    [Page 41]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Structure of this message:
+       enum {
+           rsa_sign(1), dss_sign(2), rsa_fixed_dh(3), dss_fixed_dh(4),
+           (255)
+       } ClientCertificateType;
+
+       opaque DistinguishedName<1..2^16-1>;
+
+       struct {
+           ClientCertificateType certificate_types<1..2^8-1>;
+           DistinguishedName certificate_authorities<3..2^16-1>;
+       } CertificateRequest;
+
+       certificate_types
+              This field is a list of the types of certificates requested,
+              sorted in order of the server's preference.
+
+       certificate_authorities
+           A list of the distinguished names of acceptable certificate
+           authorities. These distinguished names may specify a desired
+           distinguished name for a root CA or for a subordinate CA;
+           thus, this message can be used both to describe known roots
+           and a desired authorization space.
+
+ Note: DistinguishedName is derived from [X509].
+
+ Note: It is a fatal handshake_failure alert for an anonymous server to
+       request client identification.
+
+7.4.5. Server hello done
+
+   When this message will be sent:
+       The server hello done message is sent by the server to indicate
+       the end of the server hello and associated messages. After
+       sending this message the server will wait for a client response.
+
+   Meaning of this message:
+       This message means that the server is done sending messages to
+       support the key exchange, and the client can proceed with its
+       phase of the key exchange.
+
+       Upon receipt of the server hello done message the client should
+       verify that the server provided a valid certificate if required
+       and check that the server hello parameters are acceptable.
+
+   Structure of this message:
+       struct { } ServerHelloDone;
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 42]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+7.4.6. Client certificate
+
+   When this message will be sent:
+       This is the first message the client can send after receiving a
+       server hello done message. This message is only sent if the
+       server requests a certificate. If no suitable certificate is
+       available, the client should send a certificate message
+       containing no certificates. If client authentication is required
+       by the server for the handshake to continue, it may respond with
+       a fatal handshake failure alert. Client certificates are sent
+       using the Certificate structure defined in Section 7.4.2.
+
+ Note: When using a static Diffie-Hellman based key exchange method
+       (DH_DSS or DH_RSA), if client authentication is requested, the
+       Diffie-Hellman group and generator encoded in the client's
+       certificate must match the server specified Diffie-Hellman
+       parameters if the client's parameters are to be used for the key
+       exchange.
+
+7.4.7. Client key exchange message
+
+   When this message will be sent:
+       This message is always sent by the client. It will immediately
+       follow the client certificate message, if it is sent. Otherwise
+       it will be the first message sent by the client after it receives
+       the server hello done message.
+
+   Meaning of this message:
+       With this message, the premaster secret is set, either though
+       direct transmission of the RSA-encrypted secret, or by the
+       transmission of Diffie-Hellman parameters which will allow each
+       side to agree upon the same premaster secret. When the key
+       exchange method is DH_RSA or DH_DSS, client certification has
+       been requested, and the client was able to respond with a
+       certificate which contained a Diffie-Hellman public key whose
+       parameters (group and generator) matched those specified by the
+       server in its certificate, this message will not contain any
+       data.
+
+   Structure of this message:
+       The choice of messages depends on which key exchange method has
+       been selected. See Section 7.4.3 for the KeyExchangeAlgorithm
+       definition.
+
+       struct {
+           select (KeyExchangeAlgorithm) {
+               case rsa: EncryptedPreMasterSecret;
+               case diffie_hellman: ClientDiffieHellmanPublic;
+
+
+
+Dierks & Allen              Standards Track                    [Page 43]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+           } exchange_keys;
+       } ClientKeyExchange;
+
+7.4.7.1. RSA encrypted premaster secret message
+
+   Meaning of this message:
+       If RSA is being used for key agreement and authentication, the
+       client generates a 48-byte premaster secret, encrypts it using
+       the public key from the server's certificate or the temporary RSA
+       key provided in a server key exchange message, and sends the
+       result in an encrypted premaster secret message. This structure
+       is a variant of the client key exchange message, not a message in
+       itself.
+
+   Structure of this message:
+       struct {
+           ProtocolVersion client_version;
+           opaque random[46];
+       } PreMasterSecret;
+
+       client_version
+           The latest (newest) version supported by the client. This is
+           used to detect version roll-back attacks. Upon receiving the
+           premaster secret, the server should check that this value
+           matches the value transmitted by the client in the client
+           hello message.
+
+       random
+           46 securely-generated random bytes.
+
+       struct {
+           public-key-encrypted PreMasterSecret pre_master_secret;
+       } EncryptedPreMasterSecret;
+
+ Note: An attack discovered by Daniel Bleichenbacher [BLEI] can be used
+       to attack a TLS server which is using PKCS#1 encoded RSA. The
+       attack takes advantage of the fact that by failing in different
+       ways, a TLS server can be coerced into revealing whether a
+       particular message, when decrypted, is properly PKCS#1 formatted
+       or not.
+
+       The best way to avoid vulnerability to this attack is to treat
+       incorrectly formatted messages in a manner indistinguishable from
+       correctly formatted RSA blocks. Thus, when it receives an
+       incorrectly formatted RSA block, a server should generate a
+       random 48-byte value and proceed using it as the premaster
+       secret. Thus, the server will act identically whether the
+       received RSA block is correctly encoded or not.
+
+
+
+Dierks & Allen              Standards Track                    [Page 44]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       pre_master_secret
+           This random value is generated by the client and is used to
+           generate the master secret, as specified in Section 8.1.
+
+7.4.7.2. Client Diffie-Hellman public value
+
+   Meaning of this message:
+       This structure conveys the client's Diffie-Hellman public value
+       (Yc) if it was not already included in the client's certificate.
+       The encoding used for Yc is determined by the enumerated
+       PublicValueEncoding. This structure is a variant of the client
+       key exchange message, not a message in itself.
+
+   Structure of this message:
+       enum { implicit, explicit } PublicValueEncoding;
+
+       implicit
+           If the client certificate already contains a suitable
+           Diffie-Hellman key, then Yc is implicit and does not need to
+           be sent again. In this case, the Client Key Exchange message
+           will be sent, but will be empty.
+
+       explicit
+           Yc needs to be sent.
+
+       struct {
+           select (PublicValueEncoding) {
+               case implicit: struct { };
+               case explicit: opaque dh_Yc<1..2^16-1>;
+           } dh_public;
+       } ClientDiffieHellmanPublic;
+
+       dh_Yc
+           The client's Diffie-Hellman public value (Yc).
+
+7.4.8. Certificate verify
+
+   When this message will be sent:
+       This message is used to provide explicit verification of a client
+       certificate. This message is only sent following a client
+       certificate that has signing capability (i.e. all certificates
+       except those containing fixed Diffie-Hellman parameters). When
+       sent, it will immediately follow the client key exchange message.
+
+   Structure of this message:
+       struct {
+            Signature signature;
+       } CertificateVerify;
+
+
+
+Dierks & Allen              Standards Track                    [Page 45]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       The Signature type is defined in 7.4.3.
+
+       CertificateVerify.signature.md5_hash
+           MD5(handshake_messages);
+
+       Certificate.signature.sha_hash
+           SHA(handshake_messages);
+
+   Here handshake_messages refers to all handshake messages sent or
+   received starting at client hello up to but not including this
+   message, including the type and length fields of the handshake
+   messages. This is the concatenation of all the Handshake structures
+   as defined in 7.4 exchanged thus far.
+
+7.4.9. Finished
+
+   When this message will be sent:
+       A finished message is always sent immediately after a change
+       cipher spec message to verify that the key exchange and
+       authentication processes were successful. It is essential that a
+       change cipher spec message be received between the other
+       handshake messages and the Finished message.
+
+   Meaning of this message:
+       The finished message is the first protected with the just-
+       negotiated algorithms, keys, and secrets. Recipients of finished
+       messages must verify that the contents are correct.  Once a side
+       has sent its Finished message and received and validated the
+       Finished message from its peer, it may begin to send and receive
+       application data over the connection.
+
+       struct {
+           opaque verify_data[12];
+       } Finished;
+
+       verify_data
+           PRF(master_secret, finished_label, MD5(handshake_messages) +
+           SHA-1(handshake_messages)) [0..11];
+
+       finished_label
+           For Finished messages sent by the client, the string "client
+           finished". For Finished messages sent by the server, the
+           string "server finished".
+
+       handshake_messages
+           All of the data from all handshake messages up to but not
+           including this message. This is only data visible at the
+           handshake layer and does not include record layer headers.
+
+
+
+Dierks & Allen              Standards Track                    [Page 46]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+           This is the concatenation of all the Handshake structures as
+           defined in 7.4 exchanged thus far.
+
+   It is a fatal error if a finished message is not preceded by a change
+   cipher spec message at the appropriate point in the handshake.
+
+   The hash contained in finished messages sent by the server
+   incorporate Sender.server; those sent by the client incorporate
+   Sender.client. The value handshake_messages includes all handshake
+   messages starting at client hello up to, but not including, this
+   finished message. This may be different from handshake_messages in
+   Section 7.4.8 because it would include the certificate verify message
+   (if sent). Also, the handshake_messages for the finished message sent
+   by the client will be different from that for the finished message
+   sent by the server, because the one which is sent second will include
+   the prior one.
+
+ Note: Change cipher spec messages, alerts and any other record types
+       are not handshake messages and are not included in the hash
+       computations. Also, Hello Request messages are omitted from
+       handshake hashes.
+
+8. Cryptographic computations
+
+   In order to begin connection protection, the TLS Record Protocol
+   requires specification of a suite of algorithms, a master secret, and
+   the client and server random values. The authentication, encryption,
+   and MAC algorithms are determined by the cipher_suite selected by the
+   server and revealed in the server hello message. The compression
+   algorithm is negotiated in the hello messages, and the random values
+   are exchanged in the hello messages. All that remains is to calculate
+   the master secret.
+
+8.1. Computing the master secret
+
+   For all key exchange methods, the same algorithm is used to convert
+   the pre_master_secret into the master_secret. The pre_master_secret
+   should be deleted from memory once the master_secret has been
+   computed.
+
+       master_secret = PRF(pre_master_secret, "master secret",
+                           ClientHello.random + ServerHello.random)
+       [0..47];
+
+   The master secret is always exactly 48 bytes in length. The length of
+   the premaster secret will vary depending on key exchange method.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 47]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+8.1.1. RSA
+
+   When RSA is used for server authentication and key exchange, a 48-
+   byte pre_master_secret is generated by the client, encrypted under
+   the server's public key, and sent to the server. The server uses its
+   private key to decrypt the pre_master_secret. Both parties then
+   convert the pre_master_secret into the master_secret, as specified
+   above.
+
+   RSA digital signatures are performed using PKCS #1 [PKCS1] block type
+   1. RSA public key encryption is performed using PKCS #1 block type 2.
+
+8.1.2. Diffie-Hellman
+
+   A conventional Diffie-Hellman computation is performed. The
+   negotiated key (Z) is used as the pre_master_secret, and is converted
+   into the master_secret, as specified above.
+
+ Note: Diffie-Hellman parameters are specified by the server, and may
+       be either ephemeral or contained within the server's certificate.
+
+9. Mandatory Cipher Suites
+
+   In the absence of an application profile standard specifying
+   otherwise, a TLS compliant application MUST implement the cipher
+   suite TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA.
+
+10. Application data protocol
+
+   Application data messages are carried by the Record Layer and are
+   fragmented, compressed and encrypted based on the current connection
+   state. The messages are treated as transparent data to the record
+   layer.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 48]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+A. Protocol constant values
+
+   This section describes protocol types and constants.
+
+A.1. Record layer
+
+    struct {
+        uint8 major, minor;
+    } ProtocolVersion;
+
+    ProtocolVersion version = { 3, 1 };     /* TLS v1.0 */
+
+    enum {
+        change_cipher_spec(20), alert(21), handshake(22),
+        application_data(23), (255)
+    } ContentType;
+
+    struct {
+        ContentType type;
+        ProtocolVersion version;
+        uint16 length;
+        opaque fragment[TLSPlaintext.length];
+    } TLSPlaintext;
+
+    struct {
+        ContentType type;
+        ProtocolVersion version;
+        uint16 length;
+        opaque fragment[TLSCompressed.length];
+    } TLSCompressed;
+
+    struct {
+        ContentType type;
+        ProtocolVersion version;
+        uint16 length;
+        select (CipherSpec.cipher_type) {
+            case stream: GenericStreamCipher;
+            case block:  GenericBlockCipher;
+        } fragment;
+    } TLSCiphertext;
+
+    stream-ciphered struct {
+        opaque content[TLSCompressed.length];
+        opaque MAC[CipherSpec.hash_size];
+    } GenericStreamCipher;
+
+    block-ciphered struct {
+        opaque content[TLSCompressed.length];
+
+
+
+Dierks & Allen              Standards Track                    [Page 49]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+        opaque MAC[CipherSpec.hash_size];
+        uint8 padding[GenericBlockCipher.padding_length];
+        uint8 padding_length;
+    } GenericBlockCipher;
+
+A.2. Change cipher specs message
+
+    struct {
+        enum { change_cipher_spec(1), (255) } type;
+    } ChangeCipherSpec;
+
+A.3. Alert messages
+
+    enum { warning(1), fatal(2), (255) } AlertLevel;
+
+        enum {
+            close_notify(0),
+            unexpected_message(10),
+            bad_record_mac(20),
+            decryption_failed(21),
+            record_overflow(22),
+            decompression_failure(30),
+            handshake_failure(40),
+            bad_certificate(42),
+            unsupported_certificate(43),
+            certificate_revoked(44),
+            certificate_expired(45),
+            certificate_unknown(46),
+            illegal_parameter(47),
+            unknown_ca(48),
+            access_denied(49),
+            decode_error(50),
+            decrypt_error(51),
+            export_restriction(60),
+            protocol_version(70),
+            insufficient_security(71),
+            internal_error(80),
+            user_canceled(90),
+            no_renegotiation(100),
+            (255)
+        } AlertDescription;
+
+    struct {
+        AlertLevel level;
+        AlertDescription description;
+    } Alert;
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 50]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+A.4. Handshake protocol
+
+    enum {
+        hello_request(0), client_hello(1), server_hello(2),
+        certificate(11), server_key_exchange (12),
+        certificate_request(13), server_hello_done(14),
+        certificate_verify(15), client_key_exchange(16),
+        finished(20), (255)
+    } HandshakeType;
+
+    struct {
+        HandshakeType msg_type;
+        uint24 length;
+        select (HandshakeType) {
+            case hello_request:       HelloRequest;
+            case client_hello:        ClientHello;
+            case server_hello:        ServerHello;
+            case certificate:         Certificate;
+            case server_key_exchange: ServerKeyExchange;
+            case certificate_request: CertificateRequest;
+            case server_hello_done:   ServerHelloDone;
+            case certificate_verify:  CertificateVerify;
+            case client_key_exchange: ClientKeyExchange;
+            case finished:            Finished;
+        } body;
+    } Handshake;
+
+A.4.1. Hello messages
+
+    struct { } HelloRequest;
+
+    struct {
+        uint32 gmt_unix_time;
+        opaque random_bytes[28];
+    } Random;
+
+    opaque SessionID<0..32>;
+
+    uint8 CipherSuite[2];
+
+    enum { null(0), (255) } CompressionMethod;
+
+    struct {
+        ProtocolVersion client_version;
+        Random random;
+        SessionID session_id;
+        CipherSuite cipher_suites<2..2^16-1>;
+        CompressionMethod compression_methods<1..2^8-1>;
+
+
+
+Dierks & Allen              Standards Track                    [Page 51]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+    } ClientHello;
+
+    struct {
+        ProtocolVersion server_version;
+        Random random;
+        SessionID session_id;
+        CipherSuite cipher_suite;
+        CompressionMethod compression_method;
+    } ServerHello;
+
+A.4.2. Server authentication and key exchange messages
+
+    opaque ASN.1Cert<2^24-1>;
+
+    struct {
+        ASN.1Cert certificate_list<1..2^24-1>;
+    } Certificate;
+
+    enum { rsa, diffie_hellman } KeyExchangeAlgorithm;
+
+    struct {
+        opaque RSA_modulus<1..2^16-1>;
+        opaque RSA_exponent<1..2^16-1>;
+    } ServerRSAParams;
+
+    struct {
+        opaque DH_p<1..2^16-1>;
+        opaque DH_g<1..2^16-1>;
+        opaque DH_Ys<1..2^16-1>;
+    } ServerDHParams;
+
+    struct {
+        select (KeyExchangeAlgorithm) {
+            case diffie_hellman:
+                ServerDHParams params;
+                Signature signed_params;
+            case rsa:
+                ServerRSAParams params;
+                Signature signed_params;
+        };
+    } ServerKeyExchange;
+
+    enum { anonymous, rsa, dsa } SignatureAlgorithm;
+
+    select (SignatureAlgorithm)
+    {   case anonymous: struct { };
+        case rsa:
+            digitally-signed struct {
+
+
+
+Dierks & Allen              Standards Track                    [Page 52]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+                opaque md5_hash[16];
+                opaque sha_hash[20];
+            };
+        case dsa:
+            digitally-signed struct {
+                opaque sha_hash[20];
+            };
+    } Signature;
+
+    enum {
+        rsa_sign(1), dss_sign(2), rsa_fixed_dh(3), dss_fixed_dh(4),
+        (255)
+    } ClientCertificateType;
+
+    opaque DistinguishedName<1..2^16-1>;
+
+    struct {
+        ClientCertificateType certificate_types<1..2^8-1>;
+        DistinguishedName certificate_authorities<3..2^16-1>;
+    } CertificateRequest;
+
+    struct { } ServerHelloDone;
+
+A.4.3. Client authentication and key exchange messages
+
+    struct {
+        select (KeyExchangeAlgorithm) {
+            case rsa: EncryptedPreMasterSecret;
+            case diffie_hellman: DiffieHellmanClientPublicValue;
+        } exchange_keys;
+    } ClientKeyExchange;
+
+    struct {
+        ProtocolVersion client_version;
+        opaque random[46];
+
+    } PreMasterSecret;
+
+    struct {
+        public-key-encrypted PreMasterSecret pre_master_secret;
+    } EncryptedPreMasterSecret;
+
+    enum { implicit, explicit } PublicValueEncoding;
+
+    struct {
+        select (PublicValueEncoding) {
+            case implicit: struct {};
+            case explicit: opaque DH_Yc<1..2^16-1>;
+
+
+
+Dierks & Allen              Standards Track                    [Page 53]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+        } dh_public;
+    } ClientDiffieHellmanPublic;
+
+    struct {
+        Signature signature;
+    } CertificateVerify;
+
+A.4.4. Handshake finalization message
+
+    struct {
+        opaque verify_data[12];
+    } Finished;
+
+A.5. The CipherSuite
+
+   The following values define the CipherSuite codes used in the client
+   hello and server hello messages.
+
+   A CipherSuite defines a cipher specification supported in TLS Version
+   1.0.
+
+   TLS_NULL_WITH_NULL_NULL is specified and is the initial state of a
+   TLS connection during the first handshake on that channel, but must
+   not be negotiated, as it provides no more protection than an
+   unsecured connection.
+
+    CipherSuite TLS_NULL_WITH_NULL_NULL                = { 0x00,0x00 };
+
+   The following CipherSuite definitions require that the server provide
+   an RSA certificate that can be used for key exchange. The server may
+   request either an RSA or a DSS signature-capable certificate in the
+   certificate request message.
+
+    CipherSuite TLS_RSA_WITH_NULL_MD5                  = { 0x00,0x01 };
+    CipherSuite TLS_RSA_WITH_NULL_SHA                  = { 0x00,0x02 };
+    CipherSuite TLS_RSA_EXPORT_WITH_RC4_40_MD5         = { 0x00,0x03 };
+    CipherSuite TLS_RSA_WITH_RC4_128_MD5               = { 0x00,0x04 };
+    CipherSuite TLS_RSA_WITH_RC4_128_SHA               = { 0x00,0x05 };
+    CipherSuite TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5     = { 0x00,0x06 };
+    CipherSuite TLS_RSA_WITH_IDEA_CBC_SHA              = { 0x00,0x07 };
+    CipherSuite TLS_RSA_EXPORT_WITH_DES40_CBC_SHA      = { 0x00,0x08 };
+    CipherSuite TLS_RSA_WITH_DES_CBC_SHA               = { 0x00,0x09 };
+    CipherSuite TLS_RSA_WITH_3DES_EDE_CBC_SHA          = { 0x00,0x0A };
+
+   The following CipherSuite definitions are used for server-
+   authenticated (and optionally client-authenticated) Diffie-Hellman.
+   DH denotes cipher suites in which the server's certificate contains
+   the Diffie-Hellman parameters signed by the certificate authority
+
+
+
+Dierks & Allen              Standards Track                    [Page 54]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   (CA). DHE denotes ephemeral Diffie-Hellman, where the Diffie-Hellman
+   parameters are signed by a DSS or RSA certificate, which has been
+   signed by the CA. The signing algorithm used is specified after the
+   DH or DHE parameter. The server can request an RSA or DSS signature-
+   capable certificate from the client for client authentication or it
+   may request a Diffie-Hellman certificate. Any Diffie-Hellman
+   certificate provided by the client must use the parameters (group and
+   generator) described by the server.
+
+    CipherSuite TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA   = { 0x00,0x0B };
+    CipherSuite TLS_DH_DSS_WITH_DES_CBC_SHA            = { 0x00,0x0C };
+    CipherSuite TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA       = { 0x00,0x0D };
+    CipherSuite TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA   = { 0x00,0x0E };
+    CipherSuite TLS_DH_RSA_WITH_DES_CBC_SHA            = { 0x00,0x0F };
+    CipherSuite TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA       = { 0x00,0x10 };
+    CipherSuite TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA  = { 0x00,0x11 };
+    CipherSuite TLS_DHE_DSS_WITH_DES_CBC_SHA           = { 0x00,0x12 };
+    CipherSuite TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA      = { 0x00,0x13 };
+    CipherSuite TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA  = { 0x00,0x14 };
+    CipherSuite TLS_DHE_RSA_WITH_DES_CBC_SHA           = { 0x00,0x15 };
+    CipherSuite TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA      = { 0x00,0x16 };
+
+   The following cipher suites are used for completely anonymous
+   Diffie-Hellman communications in which neither party is
+   authenticated. Note that this mode is vulnerable to man-in-the-middle
+   attacks and is therefore deprecated.
+
+    CipherSuite TLS_DH_anon_EXPORT_WITH_RC4_40_MD5     = { 0x00,0x17 };
+    CipherSuite TLS_DH_anon_WITH_RC4_128_MD5           = { 0x00,0x18 };
+    CipherSuite TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA  = { 0x00,0x19 };
+    CipherSuite TLS_DH_anon_WITH_DES_CBC_SHA           = { 0x00,0x1A };
+    CipherSuite TLS_DH_anon_WITH_3DES_EDE_CBC_SHA      = { 0x00,0x1B };
+
+ Note: All cipher suites whose first byte is 0xFF are considered
+       private and can be used for defining local/experimental
+       algorithms. Interoperability of such types is a local matter.
+
+ Note: Additional cipher suites can be registered by publishing an RFC
+       which specifies the cipher suites, including the necessary TLS
+       protocol information, including message encoding, premaster
+       secret derivation, symmetric encryption and MAC calculation and
+       appropriate reference information for the algorithms involved.
+       The RFC editor's office may, at its discretion, choose to publish
+       specifications for cipher suites which are not completely
+       described (e.g., for classified algorithms) if it finds the
+       specification to be of technical interest and completely
+       specified.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 55]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+ Note: The cipher suite values { 0x00, 0x1C } and { 0x00, 0x1D } are
+       reserved to avoid collision with Fortezza-based cipher suites in
+       SSL 3.
+
+A.6. The Security Parameters
+
+   These security parameters are determined by the TLS Handshake
+   Protocol and provided as parameters to the TLS Record Layer in order
+   to initialize a connection state. SecurityParameters includes:
+
+       enum { null(0), (255) } CompressionMethod;
+
+       enum { server, client } ConnectionEnd;
+
+       enum { null, rc4, rc2, des, 3des, des40, idea }
+       BulkCipherAlgorithm;
+
+       enum { stream, block } CipherType;
+
+       enum { true, false } IsExportable;
+
+       enum { null, md5, sha } MACAlgorithm;
+
+   /* The algorithms specified in CompressionMethod,
+   BulkCipherAlgorithm, and MACAlgorithm may be added to. */
+
+       struct {
+           ConnectionEnd entity;
+           BulkCipherAlgorithm bulk_cipher_algorithm;
+           CipherType cipher_type;
+           uint8 key_size;
+           uint8 key_material_length;
+           IsExportable is_exportable;
+           MACAlgorithm mac_algorithm;
+           uint8 hash_size;
+           CompressionMethod compression_algorithm;
+           opaque master_secret[48];
+           opaque client_random[32];
+           opaque server_random[32];
+       } SecurityParameters;
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 56]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+B. Glossary
+
+   application protocol
+       An application protocol is a protocol that normally layers
+       directly on top of the transport layer (e.g., TCP/IP). Examples
+       include HTTP, TELNET, FTP, and SMTP.
+
+   asymmetric cipher
+       See public key cryptography.
+
+   authentication
+       Authentication is the ability of one entity to determine the
+       identity of another entity.
+
+   block cipher
+       A block cipher is an algorithm that operates on plaintext in
+       groups of bits, called blocks. 64 bits is a common block size.
+
+   bulk cipher
+       A symmetric encryption algorithm used to encrypt large quantities
+       of data.
+
+   cipher block chaining (CBC)
+       CBC is a mode in which every plaintext block encrypted with a
+       block cipher is first exclusive-ORed with the previous ciphertext
+       block (or, in the case of the first block, with the
+       initialization vector). For decryption, every block is first
+       decrypted, then exclusive-ORed with the previous ciphertext block
+       (or IV).
+
+   certificate
+       As part of the X.509 protocol (a.k.a. ISO Authentication
+       framework), certificates are assigned by a trusted Certificate
+       Authority and provide a strong binding between a party's identity
+       or some other attributes and its public key.
+
+   client
+       The application entity that initiates a TLS connection to a
+       server. This may or may not imply that the client initiated the
+       underlying transport connection. The primary operational
+       difference between the server and client is that the server is
+       generally authenticated, while the client is only optionally
+       authenticated.
+
+   client write key
+       The key used to encrypt data written by the client.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 57]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   client write MAC secret
+       The secret data used to authenticate data written by the client.
+
+   connection
+       A connection is a transport (in the OSI layering model
+       definition) that provides a suitable type of service. For TLS,
+       such connections are peer to peer relationships. The connections
+       are transient. Every connection is associated with one session.
+
+   Data Encryption Standard
+       DES is a very widely used symmetric encryption algorithm. DES is
+       a block cipher with a 56 bit key and an 8 byte block size. Note
+       that in TLS, for key generation purposes, DES is treated as
+       having an 8 byte key length (64 bits), but it still only provides
+       56 bits of protection. (The low bit of each key byte is presumed
+       to be set to produce odd parity in that key byte.) DES can also
+       be operated in a mode where three independent keys and three
+       encryptions are used for each block of data; this uses 168 bits
+       of key (24 bytes in the TLS key generation method) and provides
+       the equivalent of 112 bits of security. [DES], [3DES]
+
+   Digital Signature Standard (DSS)
+       A standard for digital signing, including the Digital Signing
+       Algorithm, approved by the National Institute of Standards and
+       Technology, defined in NIST FIPS PUB 186, "Digital Signature
+       Standard," published May, 1994 by the U.S. Dept. of Commerce.
+       [DSS]
+
+   digital signatures
+       Digital signatures utilize public key cryptography and one-way
+       hash functions to produce a signature of the data that can be
+       authenticated, and is difficult to forge or repudiate.
+
+   handshake
+       An initial negotiation between client and server that establishes
+       the parameters of their transactions.
+
+   Initialization Vector (IV)
+       When a block cipher is used in CBC mode, the initialization
+       vector is exclusive-ORed with the first plaintext block prior to
+       encryption.
+
+   IDEA
+       A 64-bit block cipher designed by Xuejia Lai and James Massey.
+       [IDEA]
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 58]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Message Authentication Code (MAC)
+       A Message Authentication Code is a one-way hash computed from a
+       message and some secret data. It is difficult to forge without
+       knowing the secret data. Its purpose is to detect if the message
+       has been altered.
+
+   master secret
+       Secure secret data used for generating encryption keys, MAC
+       secrets, and IVs.
+
+   MD5
+       MD5 is a secure hashing function that converts an arbitrarily
+       long data stream into a digest of fixed size (16 bytes). [MD5]
+
+   public key cryptography
+       A class of cryptographic techniques employing two-key ciphers.
+       Messages encrypted with the public key can only be decrypted with
+       the associated private key. Conversely, messages signed with the
+       private key can be verified with the public key.
+
+   one-way hash function
+       A one-way transformation that converts an arbitrary amount of
+       data into a fixed-length hash. It is computationally hard to
+       reverse the transformation or to find collisions. MD5 and SHA are
+       examples of one-way hash functions.
+
+   RC2
+       A block cipher developed by Ron Rivest at RSA Data Security, Inc.
+       [RSADSI] described in [RC2].
+
+   RC4
+       A stream cipher licensed by RSA Data Security [RSADSI]. A
+       compatible cipher is described in [RC4].
+
+   RSA
+       A very widely used public-key algorithm that can be used for
+       either encryption or digital signing. [RSA]
+
+   salt
+       Non-secret random data used to make export encryption keys resist
+       precomputation attacks.
+
+   server
+       The server is the application entity that responds to requests
+       for connections from clients. See also under client.
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 59]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   session
+       A TLS session is an association between a client and a server.
+       Sessions are created by the handshake protocol. Sessions define a
+       set of cryptographic security parameters, which can be shared
+       among multiple connections. Sessions are used to avoid the
+       expensive negotiation of new security parameters for each
+       connection.
+
+   session identifier
+       A session identifier is a value generated by a server that
+       identifies a particular session.
+
+   server write key
+       The key used to encrypt data written by the server.
+
+   server write MAC secret
+       The secret data used to authenticate data written by the server.
+
+   SHA
+       The Secure Hash Algorithm is defined in FIPS PUB 180-1. It
+       produces a 20-byte output. Note that all references to SHA
+       actually use the modified SHA-1 algorithm. [SHA]
+
+   SSL
+       Netscape's Secure Socket Layer protocol [SSL3]. TLS is based on
+       SSL Version 3.0
+
+   stream cipher
+       An encryption algorithm that converts a key into a
+       cryptographically-strong keystream, which is then exclusive-ORed
+       with the plaintext.
+
+   symmetric cipher
+       See bulk cipher.
+
+   Transport Layer Security (TLS)
+       This protocol; also, the Transport Layer Security working group
+       of the Internet Engineering Task Force (IETF). See "Comments" at
+       the end of this document.
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 60]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+C. CipherSuite definitions
+
+CipherSuite                      Is       Key          Cipher      Hash
+                             Exportable Exchange
+
+TLS_NULL_WITH_NULL_NULL               * NULL           NULL        NULL
+TLS_RSA_WITH_NULL_MD5                 * RSA            NULL         MD5
+TLS_RSA_WITH_NULL_SHA                 * RSA            NULL         SHA
+TLS_RSA_EXPORT_WITH_RC4_40_MD5        * RSA_EXPORT     RC4_40       MD5
+TLS_RSA_WITH_RC4_128_MD5                RSA            RC4_128      MD5
+TLS_RSA_WITH_RC4_128_SHA                RSA            RC4_128      SHA
+TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5    * RSA_EXPORT     RC2_CBC_40   MD5
+TLS_RSA_WITH_IDEA_CBC_SHA               RSA            IDEA_CBC     SHA
+TLS_RSA_EXPORT_WITH_DES40_CBC_SHA     * RSA_EXPORT     DES40_CBC    SHA
+TLS_RSA_WITH_DES_CBC_SHA                RSA            DES_CBC      SHA
+TLS_RSA_WITH_3DES_EDE_CBC_SHA           RSA            3DES_EDE_CBC SHA
+TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA  * DH_DSS_EXPORT  DES40_CBC    SHA
+TLS_DH_DSS_WITH_DES_CBC_SHA             DH_DSS         DES_CBC      SHA
+TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA        DH_DSS         3DES_EDE_CBC SHA
+TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA  * DH_RSA_EXPORT  DES40_CBC    SHA
+TLS_DH_RSA_WITH_DES_CBC_SHA             DH_RSA         DES_CBC      SHA
+TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA        DH_RSA         3DES_EDE_CBC SHA
+TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA * DHE_DSS_EXPORT DES40_CBC    SHA
+TLS_DHE_DSS_WITH_DES_CBC_SHA            DHE_DSS        DES_CBC      SHA
+TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA       DHE_DSS        3DES_EDE_CBC SHA
+TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA * DHE_RSA_EXPORT DES40_CBC    SHA
+TLS_DHE_RSA_WITH_DES_CBC_SHA            DHE_RSA        DES_CBC      SHA
+TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA       DHE_RSA        3DES_EDE_CBC SHA
+TLS_DH_anon_EXPORT_WITH_RC4_40_MD5    * DH_anon_EXPORT RC4_40       MD5
+TLS_DH_anon_WITH_RC4_128_MD5            DH_anon        RC4_128      MD5
+TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA   DH_anon        DES40_CBC    SHA
+TLS_DH_anon_WITH_DES_CBC_SHA            DH_anon        DES_CBC      SHA
+TLS_DH_anon_WITH_3DES_EDE_CBC_SHA       DH_anon        3DES_EDE_CBC SHA
+
+
+   * Indicates IsExportable is True
+
+      Key
+      Exchange
+      Algorithm       Description                        Key size limit
+
+      DHE_DSS         Ephemeral DH with DSS signatures   None
+      DHE_DSS_EXPORT  Ephemeral DH with DSS signatures   DH = 512 bits
+      DHE_RSA         Ephemeral DH with RSA signatures   None
+      DHE_RSA_EXPORT  Ephemeral DH with RSA signatures   DH = 512 bits,
+                                                         RSA = none
+      DH_anon         Anonymous DH, no signatures        None
+      DH_anon_EXPORT  Anonymous DH, no signatures        DH = 512 bits
+
+
+
+Dierks & Allen              Standards Track                    [Page 61]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+      DH_DSS          DH with DSS-based certificates     None
+      DH_DSS_EXPORT   DH with DSS-based certificates     DH = 512 bits
+      DH_RSA          DH with RSA-based certificates     None
+      DH_RSA_EXPORT   DH with RSA-based certificates     DH = 512 bits,
+                                                         RSA = none
+      NULL            No key exchange                    N/A
+      RSA             RSA key exchange                   None
+      RSA_EXPORT      RSA key exchange                   RSA = 512 bits
+
+   Key size limit
+       The key size limit gives the size of the largest public key that
+       can be legally used for encryption in cipher suites that are
+       exportable.
+
+                         Key      Expanded   Effective   IV    Block
+    Cipher       Type  Material Key Material  Key Bits  Size   Size
+
+    NULL       * Stream   0          0           0        0     N/A
+    IDEA_CBC     Block   16         16         128        8      8
+    RC2_CBC_40 * Block    5         16          40        8      8
+    RC4_40     * Stream   5         16          40        0     N/A
+    RC4_128      Stream  16         16         128        0     N/A
+    DES40_CBC  * Block    5          8          40        8      8
+    DES_CBC      Block    8          8          56        8      8
+    3DES_EDE_CBC Block   24         24         168        8      8
+
+   * Indicates IsExportable is true.
+
+   Type
+       Indicates whether this is a stream cipher or a block cipher
+       running in CBC mode.
+
+   Key Material
+       The number of bytes from the key_block that are used for
+       generating the write keys.
+
+   Expanded Key Material
+       The number of bytes actually fed into the encryption algorithm
+
+   Effective Key Bits
+       How much entropy material is in the key material being fed into
+       the encryption routines.
+
+   IV Size
+       How much data needs to be generated for the initialization
+       vector. Zero for stream ciphers; equal to the block size for
+       block ciphers.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 62]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Block Size
+       The amount of data a block cipher enciphers in one chunk; a
+       block cipher running in CBC mode can only encrypt an even
+       multiple of its block size.
+
+      Hash      Hash      Padding
+    function    Size       Size
+      NULL       0          0
+      MD5        16         48
+      SHA        20         40
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 63]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+D. Implementation Notes
+
+   The TLS protocol cannot prevent many common security mistakes. This
+   section provides several recommendations to assist implementors.
+
+D.1. Temporary RSA keys
+
+   US Export restrictions limit RSA keys used for encryption to 512
+   bits, but do not place any limit on lengths of RSA keys used for
+   signing operations. Certificates often need to be larger than 512
+   bits, since 512-bit RSA keys are not secure enough for high-value
+   transactions or for applications requiring long-term security. Some
+   certificates are also designated signing-only, in which case they
+   cannot be used for key exchange.
+
+   When the public key in the certificate cannot be used for encryption,
+   the server signs a temporary RSA key, which is then exchanged. In
+   exportable applications, the temporary RSA key should be the maximum
+   allowable length (i.e., 512 bits). Because 512-bit RSA keys are
+   relatively insecure, they should be changed often. For typical
+   electronic commerce applications, it is suggested that keys be
+   changed daily or every 500 transactions, and more often if possible.
+   Note that while it is acceptable to use the same temporary key for
+   multiple transactions, it must be signed each time it is used.
+
+   RSA key generation is a time-consuming process. In many cases, a
+   low-priority process can be assigned the task of key generation.
+
+   Whenever a new key is completed, the existing temporary key can be
+   replaced with the new one.
+
+D.2. Random Number Generation and Seeding
+
+   TLS requires a cryptographically-secure pseudorandom number generator
+   (PRNG). Care must be taken in designing and seeding PRNGs.  PRNGs
+   based on secure hash operations, most notably MD5 and/or SHA, are
+   acceptable, but cannot provide more security than the size of the
+   random number generator state. (For example, MD5-based PRNGs usually
+   provide 128 bits of state.)
+
+   To estimate the amount of seed material being produced, add the
+   number of bits of unpredictable information in each seed byte. For
+   example, keystroke timing values taken from a PC compatible's 18.2 Hz
+   timer provide 1 or 2 secure bits each, even though the total size of
+   the counter value is 16 bits or more. To seed a 128-bit PRNG, one
+   would thus require approximately 100 such timer values.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 64]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+ Warning: The seeding functions in RSAREF and versions of BSAFE prior to
+          3.0 are order-independent. For example, if 1000 seed bits are
+          supplied, one at a time, in 1000 separate calls to the seed
+          function, the PRNG will end up in a state which depends only
+          on the number of 0 or 1 seed bits in the seed data (i.e.,
+          there are 1001 possible final states). Applications using
+          BSAFE or RSAREF must take extra care to ensure proper seeding.
+          This may be accomplished by accumulating seed bits into a
+          buffer and processing them all at once or by processing an
+          incrementing counter with every seed bit; either method will
+          reintroduce order dependence into the seeding process.
+
+D.3. Certificates and authentication
+
+   Implementations are responsible for verifying the integrity of
+   certificates and should generally support certificate revocation
+   messages. Certificates should always be verified to ensure proper
+   signing by a trusted Certificate Authority (CA). The selection and
+   addition of trusted CAs should be done very carefully. Users should
+   be able to view information about the certificate and root CA.
+
+D.4. CipherSuites
+
+   TLS supports a range of key sizes and security levels, including some
+   which provide no or minimal security. A proper implementation will
+   probably not support many cipher suites. For example, 40-bit
+   encryption is easily broken, so implementations requiring strong
+   security should not allow 40-bit keys. Similarly, anonymous Diffie-
+   Hellman is strongly discouraged because it cannot prevent man-in-
+   the-middle attacks. Applications should also enforce minimum and
+   maximum key sizes. For example, certificate chains containing 512-bit
+   RSA keys or signatures are not appropriate for high-security
+   applications.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 65]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+E. Backward Compatibility With SSL
+
+   For historical reasons and in order to avoid a profligate consumption
+   of reserved port numbers, application protocols which are secured by
+   TLS 1.0, SSL 3.0, and SSL 2.0 all frequently share the same
+   connection port: for example, the https protocol (HTTP secured by SSL
+   or TLS) uses port 443 regardless of which security protocol it is
+   using. Thus, some mechanism must be determined to distinguish and
+   negotiate among the various protocols.
+
+   TLS version 1.0 and SSL 3.0 are very similar; thus, supporting both
+   is easy. TLS clients who wish to negotiate with SSL 3.0 servers
+   should send client hello messages using the SSL 3.0 record format and
+   client hello structure, sending {3, 1} for the version field to note
+   that they support TLS 1.0. If the server supports only SSL 3.0, it
+   will respond with an SSL 3.0 server hello; if it supports TLS, with a
+   TLS server hello. The negotiation then proceeds as appropriate for
+   the negotiated protocol.
+
+   Similarly, a TLS server which wishes to interoperate with SSL 3.0
+   clients should accept SSL 3.0 client hello messages and respond with
+   an SSL 3.0 server hello if an SSL 3.0 client hello is received which
+   has a version field of {3, 0}, denoting that this client does not
+   support TLS.
+
+   Whenever a client already knows the highest protocol known to a
+   server (for example, when resuming a session), it should initiate the
+   connection in that native protocol.
+
+   TLS 1.0 clients that support SSL Version 2.0 servers must send SSL
+   Version 2.0 client hello messages [SSL2]. TLS servers should accept
+   either client hello format if they wish to support SSL 2.0 clients on
+   the same connection port. The only deviations from the Version 2.0
+   specification are the ability to specify a version with a value of
+   three and the support for more ciphering types in the CipherSpec.
+
+ Warning: The ability to send Version 2.0 client hello messages will be
+          phased out with all due haste. Implementors should make every
+          effort to move forward as quickly as possible. Version 3.0
+          provides better mechanisms for moving to newer versions.
+
+   The following cipher specifications are carryovers from SSL Version
+   2.0. These are assumed to use RSA for key exchange and
+   authentication.
+
+       V2CipherSpec TLS_RC4_128_WITH_MD5          = { 0x01,0x00,0x80 };
+       V2CipherSpec TLS_RC4_128_EXPORT40_WITH_MD5 = { 0x02,0x00,0x80 };
+       V2CipherSpec TLS_RC2_CBC_128_CBC_WITH_MD5  = { 0x03,0x00,0x80 };
+
+
+
+Dierks & Allen              Standards Track                    [Page 66]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       V2CipherSpec TLS_RC2_CBC_128_CBC_EXPORT40_WITH_MD5
+                                                  = { 0x04,0x00,0x80 };
+       V2CipherSpec TLS_IDEA_128_CBC_WITH_MD5     = { 0x05,0x00,0x80 };
+       V2CipherSpec TLS_DES_64_CBC_WITH_MD5       = { 0x06,0x00,0x40 };
+       V2CipherSpec TLS_DES_192_EDE3_CBC_WITH_MD5 = { 0x07,0x00,0xC0 };
+
+   Cipher specifications native to TLS can be included in Version 2.0
+   client hello messages using the syntax below. Any V2CipherSpec
+   element with its first byte equal to zero will be ignored by Version
+   2.0 servers. Clients sending any of the above V2CipherSpecs should
+   also include the TLS equivalent (see Appendix A.5):
+
+       V2CipherSpec (see TLS name) = { 0x00, CipherSuite };
+
+E.1. Version 2 client hello
+
+   The Version 2.0 client hello message is presented below using this
+   document's presentation model. The true definition is still assumed
+   to be the SSL Version 2.0 specification.
+
+       uint8 V2CipherSpec[3];
+
+       struct {
+           uint8 msg_type;
+           Version version;
+           uint16 cipher_spec_length;
+           uint16 session_id_length;
+           uint16 challenge_length;
+           V2CipherSpec cipher_specs[V2ClientHello.cipher_spec_length];
+           opaque session_id[V2ClientHello.session_id_length];
+           Random challenge;
+       } V2ClientHello;
+
+   msg_type
+       This field, in conjunction with the version field, identifies a
+       version 2 client hello message. The value should be one (1).
+
+   version
+       The highest version of the protocol supported by the client
+       (equals ProtocolVersion.version, see Appendix A.1).
+
+   cipher_spec_length
+       This field is the total length of the field cipher_specs. It
+       cannot be zero and must be a multiple of the V2CipherSpec length
+       (3).
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 67]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   session_id_length
+       This field must have a value of either zero or 16. If zero, the
+       client is creating a new session. If 16, the session_id field
+       will contain the 16 bytes of session identification.
+
+   challenge_length
+       The length in bytes of the client's challenge to the server to
+       authenticate itself. This value must be 32.
+
+   cipher_specs
+       This is a list of all CipherSpecs the client is willing and able
+       to use. There must be at least one CipherSpec acceptable to the
+       server.
+
+   session_id
+       If this field's length is not zero, it will contain the
+       identification for a session that the client wishes to resume.
+
+   challenge
+       The client challenge to the server for the server to identify
+       itself is a (nearly) arbitrary length random. The TLS server will
+       right justify the challenge data to become the ClientHello.random
+       data (padded with leading zeroes, if necessary), as specified in
+       this protocol specification. If the length of the challenge is
+       greater than 32 bytes, only the last 32 bytes are used. It is
+       legitimate (but not necessary) for a V3 server to reject a V2
+       ClientHello that has fewer than 16 bytes of challenge data.
+
+ Note: Requests to resume a TLS session should use a TLS client hello.
+
+E.2. Avoiding man-in-the-middle version rollback
+
+   When TLS clients fall back to Version 2.0 compatibility mode, they
+   should use special PKCS #1 block formatting. This is done so that TLS
+   servers will reject Version 2.0 sessions with TLS-capable clients.
+
+   When TLS clients are in Version 2.0 compatibility mode, they set the
+   right-hand (least-significant) 8 random bytes of the PKCS padding
+   (not including the terminal null of the padding) for the RSA
+   encryption of the ENCRYPTED-KEY-DATA field of the CLIENT-MASTER-KEY
+   to 0x03 (the other padding bytes are random). After decrypting the
+   ENCRYPTED-KEY-DATA field, servers that support TLS should issue an
+   error if these eight padding bytes are 0x03. Version 2.0 servers
+   receiving blocks padded in this manner will proceed normally.
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 68]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+F. Security analysis
+
+   The TLS protocol is designed to establish a secure connection between
+   a client and a server communicating over an insecure channel. This
+   document makes several traditional assumptions, including that
+   attackers have substantial computational resources and cannot obtain
+   secret information from sources outside the protocol. Attackers are
+   assumed to have the ability to capture, modify, delete, replay, and
+   otherwise tamper with messages sent over the communication channel.
+   This appendix outlines how TLS has been designed to resist a variety
+   of attacks.
+
+F.1. Handshake protocol
+
+   The handshake protocol is responsible for selecting a CipherSpec and
+   generating a Master Secret, which together comprise the primary
+   cryptographic parameters associated with a secure session. The
+   handshake protocol can also optionally authenticate parties who have
+   certificates signed by a trusted certificate authority.
+
+F.1.1. Authentication and key exchange
+
+   TLS supports three authentication modes: authentication of both
+   parties, server authentication with an unauthenticated client, and
+   total anonymity. Whenever the server is authenticated, the channel is
+   secure against man-in-the-middle attacks, but completely anonymous
+   sessions are inherently vulnerable to such attacks.  Anonymous
+   servers cannot authenticate clients. If the server is authenticated,
+   its certificate message must provide a valid certificate chain
+   leading to an acceptable certificate authority.  Similarly,
+   authenticated clients must supply an acceptable certificate to the
+   server. Each party is responsible for verifying that the other's
+   certificate is valid and has not expired or been revoked.
+
+   The general goal of the key exchange process is to create a
+   pre_master_secret known to the communicating parties and not to
+   attackers. The pre_master_secret will be used to generate the
+   master_secret (see Section 8.1). The master_secret is required to
+   generate the certificate verify and finished messages, encryption
+   keys, and MAC secrets (see Sections 7.4.8, 7.4.9 and 6.3). By sending
+   a correct finished message, parties thus prove that they know the
+   correct pre_master_secret.
+
+F.1.1.1. Anonymous key exchange
+
+   Completely anonymous sessions can be established using RSA or
+   Diffie-Hellman for key exchange. With anonymous RSA, the client
+   encrypts a pre_master_secret with the server's uncertified public key
+
+
+
+Dierks & Allen              Standards Track                    [Page 69]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   extracted from the server key exchange message. The result is sent in
+   a client key exchange message. Since eavesdroppers do not know the
+   server's private key, it will be infeasible for them to decode the
+   pre_master_secret. (Note that no anonymous RSA Cipher Suites are
+   defined in this document).
+
+   With Diffie-Hellman, the server's public parameters are contained in
+   the server key exchange message and the client's are sent in the
+   client key exchange message. Eavesdroppers who do not know the
+   private values should not be able to find the Diffie-Hellman result
+   (i.e. the pre_master_secret).
+
+ Warning: Completely anonymous connections only provide protection
+          against passive eavesdropping. Unless an independent tamper-
+          proof channel is used to verify that the finished messages
+          were not replaced by an attacker, server authentication is
+          required in environments where active man-in-the-middle
+          attacks are a concern.
+
+F.1.1.2. RSA key exchange and authentication
+
+   With RSA, key exchange and server authentication are combined. The
+   public key may be either contained in the server's certificate or may
+   be a temporary RSA key sent in a server key exchange message.  When
+   temporary RSA keys are used, they are signed by the server's RSA or
+   DSS certificate. The signature includes the current
+   ClientHello.random, so old signatures and temporary keys cannot be
+   replayed. Servers may use a single temporary RSA key for multiple
+   negotiation sessions.
+
+ Note: The temporary RSA key option is useful if servers need large
+       certificates but must comply with government-imposed size limits
+       on keys used for key exchange.
+
+   After verifying the server's certificate, the client encrypts a
+   pre_master_secret with the server's public key. By successfully
+   decoding the pre_master_secret and producing a correct finished
+   message, the server demonstrates that it knows the private key
+   corresponding to the server certificate.
+
+   When RSA is used for key exchange, clients are authenticated using
+   the certificate verify message (see Section 7.4.8). The client signs
+   a value derived from the master_secret and all preceding handshake
+   messages. These handshake messages include the server certificate,
+   which binds the signature to the server, and ServerHello.random,
+   which binds the signature to the current handshake process.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 70]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+F.1.1.3. Diffie-Hellman key exchange with authentication
+
+   When Diffie-Hellman key exchange is used, the server can either
+   supply a certificate containing fixed Diffie-Hellman parameters or
+   can use the server key exchange message to send a set of temporary
+   Diffie-Hellman parameters signed with a DSS or RSA certificate.
+   Temporary parameters are hashed with the hello.random values before
+   signing to ensure that attackers do not replay old parameters. In
+   either case, the client can verify the certificate or signature to
+   ensure that the parameters belong to the server.
+
+   If the client has a certificate containing fixed Diffie-Hellman
+   parameters, its certificate contains the information required to
+   complete the key exchange. Note that in this case the client and
+   server will generate the same Diffie-Hellman result (i.e.,
+   pre_master_secret) every time they communicate. To prevent the
+   pre_master_secret from staying in memory any longer than necessary,
+   it should be converted into the master_secret as soon as possible.
+   Client Diffie-Hellman parameters must be compatible with those
+   supplied by the server for the key exchange to work.
+
+   If the client has a standard DSS or RSA certificate or is
+   unauthenticated, it sends a set of temporary parameters to the server
+   in the client key exchange message, then optionally uses a
+   certificate verify message to authenticate itself.
+
+F.1.2. Version rollback attacks
+
+   Because TLS includes substantial improvements over SSL Version 2.0,
+   attackers may try to make TLS-capable clients and servers fall back
+   to Version 2.0. This attack can occur if (and only if) two TLS-
+   capable parties use an SSL 2.0 handshake.
+
+   Although the solution using non-random PKCS #1 block type 2 message
+   padding is inelegant, it provides a reasonably secure way for Version
+   3.0 servers to detect the attack. This solution is not secure against
+   attackers who can brute force the key and substitute a new
+   ENCRYPTED-KEY-DATA message containing the same key (but with normal
+   padding) before the application specified wait threshold has expired.
+   Parties concerned about attacks of this scale should not be using
+   40-bit encryption keys anyway. Altering the padding of the least-
+   significant 8 bytes of the PKCS padding does not impact security for
+   the size of the signed hashes and RSA key lengths used in the
+   protocol, since this is essentially equivalent to increasing the
+   input block size by 8 bytes.
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 71]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+F.1.3. Detecting attacks against the handshake protocol
+
+   An attacker might try to influence the handshake exchange to make the
+   parties select different encryption algorithms than they would
+   normally choose. Because many implementations will support 40-bit
+   exportable encryption and some may even support null encryption or
+   MAC algorithms, this attack is of particular concern.
+
+   For this attack, an attacker must actively change one or more
+   handshake messages. If this occurs, the client and server will
+   compute different values for the handshake message hashes. As a
+   result, the parties will not accept each others' finished messages.
+   Without the master_secret, the attacker cannot repair the finished
+   messages, so the attack will be discovered.
+
+F.1.4. Resuming sessions
+
+   When a connection is established by resuming a session, new
+   ClientHello.random and ServerHello.random values are hashed with the
+   session's master_secret. Provided that the master_secret has not been
+   compromised and that the secure hash operations used to produce the
+   encryption keys and MAC secrets are secure, the connection should be
+   secure and effectively independent from previous connections.
+   Attackers cannot use known encryption keys or MAC secrets to
+   compromise the master_secret without breaking the secure hash
+   operations (which use both SHA and MD5).
+
+   Sessions cannot be resumed unless both the client and server agree.
+   If either party suspects that the session may have been compromised,
+   or that certificates may have expired or been revoked, it should
+   force a full handshake. An upper limit of 24 hours is suggested for
+   session ID lifetimes, since an attacker who obtains a master_secret
+   may be able to impersonate the compromised party until the
+   corresponding session ID is retired. Applications that may be run in
+   relatively insecure environments should not write session IDs to
+   stable storage.
+
+F.1.5. MD5 and SHA
+
+   TLS uses hash functions very conservatively. Where possible, both MD5
+   and SHA are used in tandem to ensure that non-catastrophic flaws in
+   one algorithm will not break the overall protocol.
+
+F.2. Protecting application data
+
+   The master_secret is hashed with the ClientHello.random and
+   ServerHello.random to produce unique data encryption keys and MAC
+   secrets for each connection.
+
+
+
+Dierks & Allen              Standards Track                    [Page 72]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Outgoing data is protected with a MAC before transmission. To prevent
+   message replay or modification attacks, the MAC is computed from the
+   MAC secret, the sequence number, the message length, the message
+   contents, and two fixed character strings. The message type field is
+   necessary to ensure that messages intended for one TLS Record Layer
+   client are not redirected to another. The sequence number ensures
+   that attempts to delete or reorder messages will be detected. Since
+   sequence numbers are 64-bits long, they should never overflow.
+   Messages from one party cannot be inserted into the other's output,
+   since they use independent MAC secrets. Similarly, the server-write
+   and client-write keys are independent so stream cipher keys are used
+   only once.
+
+   If an attacker does break an encryption key, all messages encrypted
+   with it can be read. Similarly, compromise of a MAC key can make
+   message modification attacks possible. Because MACs are also
+   encrypted, message-alteration attacks generally require breaking the
+   encryption algorithm as well as the MAC.
+
+ Note: MAC secrets may be larger than encryption keys, so messages can
+       remain tamper resistant even if encryption keys are broken.
+
+F.3. Final notes
+
+   For TLS to be able to provide a secure connection, both the client
+   and server systems, keys, and applications must be secure. In
+   addition, the implementation must be free of security errors.
+
+   The system is only as strong as the weakest key exchange and
+   authentication algorithm supported, and only trustworthy
+   cryptographic functions should be used. Short public keys, 40-bit
+   bulk encryption keys, and anonymous servers should be used with great
+   caution. Implementations and users must be careful when deciding
+   which certificates and certificate authorities are acceptable; a
+   dishonest certificate authority can do tremendous damage.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 73]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+G. Patent Statement
+
+   Some of the cryptographic algorithms proposed for use in this
+   protocol have patent claims on them. In addition Netscape
+   Communications Corporation has a patent claim on the Secure Sockets
+   Layer (SSL) work that this standard is based on. The Internet
+   Standards Process as defined in RFC 2026 requests that a statement be
+   obtained from a Patent holder indicating that a license will be made
+   available to applicants under reasonable terms and conditions.
+
+   The Massachusetts Institute of Technology has granted RSA Data
+   Security, Inc., exclusive sub-licensing rights to the following
+   patent issued in the United States:
+
+       Cryptographic Communications System and Method ("RSA"), No.
+       4,405,829
+
+   Netscape Communications Corporation has been issued the following
+   patent in the United States:
+
+       Secure Socket Layer Application Program Apparatus And Method
+       ("SSL"), No. 5,657,390
+
+   Netscape Communications has issued the following statement:
+
+       Intellectual Property Rights
+
+       Secure Sockets Layer
+
+       The United States Patent and Trademark Office ("the PTO")
+       recently issued U.S. Patent No. 5,657,390 ("the SSL Patent")  to
+       Netscape for inventions described as Secure Sockets Layers
+       ("SSL"). The IETF is currently considering adopting SSL as a
+       transport protocol with security features.  Netscape encourages
+       the royalty-free adoption and use of the SSL protocol upon the
+       following terms and conditions:
+
+         * If you already have a valid SSL Ref license today which
+           includes source code from Netscape, an additional patent
+           license under the SSL patent is not required.
+
+         * If you don't have an SSL Ref license, you may have a royalty
+           free license to build implementations covered by the SSL
+           Patent Claims or the IETF TLS specification provided that you
+           do not to assert any patent rights against Netscape or other
+           companies for the implementation of SSL or the IETF TLS
+           recommendation.
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 74]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+       What are "Patent Claims":
+
+       Patent claims are claims in an issued foreign or domestic patent
+       that:
+
+        1) must be infringed in order to implement methods or build
+           products according to the IETF TLS specification;  or
+
+        2) patent claims which require the elements of the SSL patent
+           claims and/or their equivalents to be infringed.
+
+   The Internet Society, Internet Architecture Board, Internet
+   Engineering Steering Group and the Corporation for National Research
+   Initiatives take no position on the validity or scope of the patents
+   and patent applications, nor on the appropriateness of the terms of
+   the assurance. The Internet Society and other groups mentioned above
+   have not made any determination as to any other intellectual property
+   rights which may apply to the practice of this standard.  Any further
+   consideration of these matters is the user's own responsibility.
+
+Security Considerations
+
+   Security issues are discussed throughout this memo.
+
+References
+
+   [3DES]   W. Tuchman, "Hellman Presents No Shortcut Solutions To DES,"
+            IEEE Spectrum, v. 16, n. 7, July 1979, pp40-41.
+
+   [BLEI]   Bleichenbacher D., "Chosen Ciphertext Attacks against
+            Protocols Based on RSA Encryption Standard PKCS #1" in
+            Advances in Cryptology -- CRYPTO'98, LNCS vol. 1462, pages:
+            1--12, 1998.
+
+   [DES]    ANSI X3.106, "American National Standard for Information
+            Systems-Data Link Encryption," American National Standards
+            Institute, 1983.
+
+   [DH1]    W. Diffie and M. E. Hellman, "New Directions in
+            Cryptography," IEEE Transactions on Information Theory, V.
+            IT-22, n. 6, Jun 1977, pp. 74-84.
+
+   [DSS]    NIST FIPS PUB 186, "Digital Signature Standard," National
+            Institute of Standards and Technology, U.S. Department of
+            Commerce, May 18, 1994.
+
+   [FTP]    Postel J., and J. Reynolds, "File Transfer Protocol", STD 9,
+            RFC 959, October 1985.
+
+
+
+Dierks & Allen              Standards Track                    [Page 75]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   [HTTP]   Berners-Lee, T., Fielding, R., and H. Frystyk, "Hypertext
+            Transfer Protocol -- HTTP/1.0", RFC 1945, May 1996.
+
+   [HMAC]   Krawczyk, H., Bellare, M., and R. Canetti, "HMAC:  Keyed-
+            Hashing for Message Authentication," RFC 2104, February
+            1997.
+
+   [IDEA]   X. Lai, "On the Design and Security of Block Ciphers," ETH
+            Series in Information Processing, v. 1, Konstanz: Hartung-
+            Gorre Verlag, 1992.
+
+   [MD2]    Kaliski, B., "The MD2 Message Digest Algorithm", RFC 1319,
+            April 1992.
+
+   [MD5]    Rivest, R., "The MD5 Message Digest Algorithm", RFC 1321,
+            April 1992.
+
+   [PKCS1]  RSA Laboratories, "PKCS #1: RSA Encryption Standard,"
+            version 1.5, November 1993.
+
+   [PKCS6]  RSA Laboratories, "PKCS #6: RSA Extended Certificate Syntax
+            Standard," version 1.5, November 1993.
+
+   [PKCS7]  RSA Laboratories, "PKCS #7: RSA Cryptographic Message Syntax
+            Standard," version 1.5, November 1993.
+
+   [PKIX]   Housley, R., Ford, W., Polk, W. and D. Solo, "Internet
+            Public Key Infrastructure: Part I: X.509 Certificate and CRL
+            Profile", RFC 2459, January 1999.
+
+   [RC2]    Rivest, R., "A Description of the RC2(r) Encryption
+            Algorithm", RFC 2268, January 1998.
+
+   [RC4]    Thayer, R. and K. Kaukonen, A Stream Cipher Encryption
+            Algorithm, Work in Progress.
+
+   [RSA]    R. Rivest, A. Shamir, and L. M. Adleman, "A Method for
+            Obtaining Digital Signatures and Public-Key Cryptosystems,"
+            Communications of the ACM, v. 21, n. 2, Feb 1978, pp. 120-
+            126.
+
+   [RSADSI] Contact RSA Data Security, Inc., Tel: 415-595-8782
+
+   [SCH]    B. Schneier. Applied Cryptography: Protocols, Algorithms,
+            and Source Code in C, Published by John Wiley & Sons, Inc.
+            1994.
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 76]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   [SHA]    NIST FIPS PUB 180-1, "Secure Hash Standard," National
+            Institute of Standards and Technology, U.S. Department of
+            Commerce, Work in Progress, May 31, 1994.
+
+   [SSL2]   Hickman, Kipp, "The SSL Protocol", Netscape Communications
+            Corp., Feb 9, 1995.
+
+   [SSL3]   A. Frier, P. Karlton, and P. Kocher, "The SSL 3.0 Protocol",
+            Netscape Communications Corp., Nov 18, 1996.
+
+   [TCP]    Postel, J., "Transmission Control Protocol," STD 7, RFC 793,
+            September 1981.
+
+   [TEL]    Postel J., and J. Reynolds, "Telnet Protocol
+            Specifications", STD 8, RFC 854, May 1993.
+
+   [TEL]    Postel J., and J. Reynolds, "Telnet Option Specifications",
+            STD 8, RFC 855, May 1993.
+
+   [X509]   CCITT. Recommendation X.509: "The Directory - Authentication
+            Framework". 1988.
+
+   [XDR]    R. Srinivansan, Sun Microsystems, RFC-1832: XDR: External
+            Data Representation Standard, August 1995.
+
+Credits
+
+   Win Treese
+   Open Market
+
+   EMail: treese@openmarket.com
+
+
+   Editors
+
+   Christopher Allen                  Tim Dierks
+   Certicom                           Certicom
+
+   EMail: callen@certicom.com         EMail: tdierks@certicom.com
+
+
+   Authors' Addresses
+
+   Tim Dierks                         Philip L. Karlton
+   Certicom                           Netscape Communications
+
+   EMail: tdierks@certicom.com
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 77]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Alan O. Freier                     Paul C. Kocher
+   Netscape Communications            Independent Consultant
+
+   EMail: freier@netscape.com         EMail: pck@netcom.com
+
+
+   Other contributors
+
+   Martin Abadi                       Robert Relyea
+   Digital Equipment Corporation      Netscape Communications
+
+   EMail: ma@pa.dec.com               EMail: relyea@netscape.com
+
+   Ran Canetti                        Jim Roskind
+   IBM Watson Research Center         Netscape Communications
+
+   EMail: canetti@watson.ibm.com      EMail: jar@netscape.com
+
+
+   Taher Elgamal                      Micheal J. Sabin, Ph. D.
+   Securify                           Consulting Engineer
+
+   EMail: elgamal@securify.com        EMail: msabin@netcom.com
+
+
+   Anil R. Gangolli                   Dan Simon
+   Structured Arts Computing Corp.    Microsoft
+
+   EMail: gangolli@structuredarts.com EMail:  dansimon@microsoft.com
+
+
+   Kipp E.B. Hickman                  Tom Weinstein
+   Netscape Communications            Netscape Communications
+
+   EMail: kipp@netscape.com           EMail: tomw@netscape.com
+
+
+   Hugo Krawczyk
+   IBM Watson Research Center
+
+   EMail: hugo@watson.ibm.com
+
+Comments
+
+   The discussion list for the IETF TLS working group is located at the
+   e-mail address <ietf-tls@lists.consensus.com>. Information on the
+   group and information on how to subscribe to the list is at
+   <http://lists.consensus.com/>.
+
+
+
+Dierks & Allen              Standards Track                    [Page 78]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+   Archives of the list can be found at:
+       <http://www.imc.org/ietf-tls/mail-archive/>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 79]
+
+RFC 2246              The TLS Protocol Version 1.0          January 1999
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Dierks & Allen              Standards Track                    [Page 80]
+
diff --git a/standards/rfc2396.txt b/standards/rfc2396.txt
new file mode 100644
index 000000000..5bd52110a
--- /dev/null
+++ b/standards/rfc2396.txt
@@ -0,0 +1,2243 @@
+
+
+
+
+
+
+Network Working Group                                     T. Berners-Lee
+Request for Comments: 2396                                       MIT/LCS
+Updates: 1808, 1738                                          R. Fielding
+Category: Standards Track                                    U.C. Irvine
+                                                             L. Masinter
+                                                       Xerox Corporation
+                                                             August 1998
+
+
+           Uniform Resource Identifiers (URI): Generic Syntax
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1998).  All Rights Reserved.
+
+IESG Note
+
+   This paper describes a "superset" of operations that can be applied
+   to URI.  It consists of both a grammar and a description of basic
+   functionality for URI.  To understand what is a valid URI, both the
+   grammar and the associated description have to be studied.  Some of
+   the functionality described is not applicable to all URI schemes, and
+   some operations are only possible when certain media types are
+   retrieved using the URI, regardless of the scheme used.
+
+Abstract
+
+   A Uniform Resource Identifier (URI) is a compact string of characters
+   for identifying an abstract or physical resource.  This document
+   defines the generic syntax of URI, including both absolute and
+   relative forms, and guidelines for their use; it revises and replaces
+   the generic definitions in RFC 1738 and RFC 1808.
+
+   This document defines a grammar that is a superset of all valid URI,
+   such that an implementation can parse the common components of a URI
+   reference without knowing the scheme-specific requirements of every
+   possible identifier type.  This document does not define a generative
+   grammar for URI; that task will be performed by the individual
+   specifications of each URI scheme.
+
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 1]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+1. Introduction
+
+   Uniform Resource Identifiers (URI) provide a simple and extensible
+   means for identifying a resource.  This specification of URI syntax
+   and semantics is derived from concepts introduced by the World Wide
+   Web global information initiative, whose use of such objects dates
+   from 1990 and is described in "Universal Resource Identifiers in WWW"
+   [RFC1630].  The specification of URI is designed to meet the
+   recommendations laid out in "Functional Recommendations for Internet
+   Resource Locators" [RFC1736] and "Functional Requirements for Uniform
+   Resource Names" [RFC1737].
+
+   This document updates and merges "Uniform Resource Locators"
+   [RFC1738] and "Relative Uniform Resource Locators" [RFC1808] in order
+   to define a single, generic syntax for all URI.  It excludes those
+   portions of RFC 1738 that defined the specific syntax of individual
+   URL schemes; those portions will be updated as separate documents, as
+   will the process for registration of new URI schemes.  This document
+   does not discuss the issues and recommendation for dealing with
+   characters outside of the US-ASCII character set [ASCII]; those
+   recommendations are discussed in a separate document.
+
+   All significant changes from the prior RFCs are noted in Appendix G.
+
+1.1 Overview of URI
+
+   URI are characterized by the following definitions:
+
+      Uniform
+         Uniformity provides several benefits: it allows different types
+         of resource identifiers to be used in the same context, even
+         when the mechanisms used to access those resources may differ;
+         it allows uniform semantic interpretation of common syntactic
+         conventions across different types of resource identifiers; it
+         allows introduction of new types of resource identifiers
+         without interfering with the way that existing identifiers are
+         used; and, it allows the identifiers to be reused in many
+         different contexts, thus permitting new applications or
+         protocols to leverage a pre-existing, large, and widely-used
+         set of resource identifiers.
+
+      Resource
+         A resource can be anything that has identity.  Familiar
+         examples include an electronic document, an image, a service
+         (e.g., "today's weather report for Los Angeles"), and a
+         collection of other resources.  Not all resources are network
+         "retrievable"; e.g., human beings, corporations, and bound
+         books in a library can also be considered resources.
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 2]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+         The resource is the conceptual mapping to an entity or set of
+         entities, not necessarily the entity which corresponds to that
+         mapping at any particular instance in time.  Thus, a resource
+         can remain constant even when its content---the entities to
+         which it currently corresponds---changes over time, provided
+         that the conceptual mapping is not changed in the process.
+
+      Identifier
+         An identifier is an object that can act as a reference to
+         something that has identity.  In the case of URI, the object is
+         a sequence of characters with a restricted syntax.
+
+   Having identified a resource, a system may perform a variety of
+   operations on the resource, as might be characterized by such words
+   as `access', `update', `replace', or `find attributes'.
+
+1.2. URI, URL, and URN
+
+   A URI can be further classified as a locator, a name, or both.  The
+   term "Uniform Resource Locator" (URL) refers to the subset of URI
+   that identify resources via a representation of their primary access
+   mechanism (e.g., their network "location"), rather than identifying
+   the resource by name or by some other attribute(s) of that resource.
+   The term "Uniform Resource Name" (URN) refers to the subset of URI
+   that are required to remain globally unique and persistent even when
+   the resource ceases to exist or becomes unavailable.
+
+   The URI scheme (Section 3.1) defines the namespace of the URI, and
+   thus may further restrict the syntax and semantics of identifiers
+   using that scheme.  This specification defines those elements of the
+   URI syntax that are either required of all URI schemes or are common
+   to many URI schemes.  It thus defines the syntax and semantics that
+   are needed to implement a scheme-independent parsing mechanism for
+   URI references, such that the scheme-dependent handling of a URI can
+   be postponed until the scheme-dependent semantics are needed.  We use
+   the term URL below when describing syntax or semantics that only
+   apply to locators.
+
+   Although many URL schemes are named after protocols, this does not
+   imply that the only way to access the URL's resource is via the named
+   protocol.  Gateways, proxies, caches, and name resolution services
+   might be used to access some resources, independent of the protocol
+   of their origin, and the resolution of some URL may require the use
+   of more than one protocol (e.g., both DNS and HTTP are typically used
+   to access an "http" URL's resource when it can't be found in a local
+   cache).
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 3]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   A URN differs from a URL in that it's primary purpose is persistent
+   labeling of a resource with an identifier.  That identifier is drawn
+   from one of a set of defined namespaces, each of which has its own
+   set name structure and assignment procedures.  The "urn" scheme has
+   been reserved to establish the requirements for a standardized URN
+   namespace, as defined in "URN Syntax" [RFC2141] and its related
+   specifications.
+
+   Most of the examples in this specification demonstrate URL, since
+   they allow the most varied use of the syntax and often have a
+   hierarchical namespace.  A parser of the URI syntax is capable of
+   parsing both URL and URN references as a generic URI; once the scheme
+   is determined, the scheme-specific parsing can be performed on the
+   generic URI components.  In other words, the URI syntax is a superset
+   of the syntax of all URI schemes.
+
+1.3. Example URI
+
+   The following examples illustrate URI that are in common use.
+
+   ftp://ftp.is.co.za/rfc/rfc1808.txt
+      -- ftp scheme for File Transfer Protocol services
+
+   gopher://spinaltap.micro.umn.edu/00/Weather/California/Los%20Angeles
+      -- gopher scheme for Gopher and Gopher+ Protocol services
+
+   http://www.math.uio.no/faq/compression-faq/part1.html
+      -- http scheme for Hypertext Transfer Protocol services
+
+   mailto:mduerst@ifi.unizh.ch
+      -- mailto scheme for electronic mail addresses
+
+   news:comp.infosystems.www.servers.unix
+      -- news scheme for USENET news groups and articles
+
+   telnet://melvyl.ucop.edu/
+      -- telnet scheme for interactive services via the TELNET Protocol
+
+1.4. Hierarchical URI and Relative Forms
+
+   An absolute identifier refers to a resource independent of the
+   context in which the identifier is used.  In contrast, a relative
+   identifier refers to a resource by describing the difference within a
+   hierarchical namespace between the current context and an absolute
+   identifier of the resource.
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 4]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   Some URI schemes support a hierarchical naming system, where the
+   hierarchy of the name is denoted by a "/" delimiter separating the
+   components in the scheme. This document defines a scheme-independent
+   `relative' form of URI reference that can be used in conjunction with
+   a `base' URI (of a hierarchical scheme) to produce another URI. The
+   syntax of hierarchical URI is described in Section 3; the relative
+   URI calculation is described in Section 5.
+
+1.5. URI Transcribability
+
+   The URI syntax was designed with global transcribability as one of
+   its main concerns. A URI is a sequence of characters from a very
+   limited set, i.e. the letters of the basic Latin alphabet, digits,
+   and a few special characters.  A URI may be represented in a variety
+   of ways: e.g., ink on paper, pixels on a screen, or a sequence of
+   octets in a coded character set.  The interpretation of a URI depends
+   only on the characters used and not how those characters are
+   represented in a network protocol.
+
+   The goal of transcribability can be described by a simple scenario.
+   Imagine two colleagues, Sam and Kim, sitting in a pub at an
+   international conference and exchanging research ideas.  Sam asks Kim
+   for a location to get more information, so Kim writes the URI for the
+   research site on a napkin.  Upon returning home, Sam takes out the
+   napkin and types the URI into a computer, which then retrieves the
+   information to which Kim referred.
+
+   There are several design concerns revealed by the scenario:
+
+      o  A URI is a sequence of characters, which is not always
+         represented as a sequence of octets.
+
+      o  A URI may be transcribed from a non-network source, and thus
+         should consist of characters that are most likely to be able to
+         be typed into a computer, within the constraints imposed by
+         keyboards (and related input devices) across languages and
+         locales.
+
+      o  A URI often needs to be remembered by people, and it is easier
+         for people to remember a URI when it consists of meaningful
+         components.
+
+   These design concerns are not always in alignment.  For example, it
+   is often the case that the most meaningful name for a URI component
+   would require characters that cannot be typed into some systems.  The
+   ability to transcribe the resource identifier from one medium to
+   another was considered more important than having its URI consist of
+   the most meaningful of components.  In local and regional contexts
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 5]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   and with improving technology, users might benefit from being able to
+   use a wider range of characters; such use is not defined in this
+   document.
+
+1.6. Syntax Notation and Common Elements
+
+   This document uses two conventions to describe and define the syntax
+   for URI.  The first, called the layout form, is a general description
+   of the order of components and component separators, as in
+
+      <first>/<second>;<third>?<fourth>
+
+   The component names are enclosed in angle-brackets and any characters
+   outside angle-brackets are literal separators.  Whitespace should be
+   ignored.  These descriptions are used informally and do not define
+   the syntax requirements.
+
+   The second convention is a BNF-like grammar, used to define the
+   formal URI syntax.  The grammar is that of [RFC822], except that "|"
+   is used to designate alternatives.  Briefly, rules are separated from
+   definitions by an equal "=", indentation is used to continue a rule
+   definition over more than one line, literals are quoted with "",
+   parentheses "(" and ")" are used to group elements, optional elements
+   are enclosed in "[" and "]" brackets, and elements may be preceded
+   with <n>* to designate n or more repetitions of the following
+   element; n defaults to 0.
+
+   Unlike many specifications that use a BNF-like grammar to define the
+   bytes (octets) allowed by a protocol, the URI grammar is defined in
+   terms of characters.  Each literal in the grammar corresponds to the
+   character it represents, rather than to the octet encoding of that
+   character in any particular coded character set.  How a URI is
+   represented in terms of bits and bytes on the wire is dependent upon
+   the character encoding of the protocol used to transport it, or the
+   charset of the document which contains it.
+
+   The following definitions are common to many elements:
+
+      alpha    = lowalpha | upalpha
+
+      lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" |
+                 "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" |
+                 "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"
+
+      upalpha  = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" |
+                 "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" |
+                 "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z"
+
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 6]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      digit    = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" |
+                 "8" | "9"
+
+      alphanum = alpha | digit
+
+   The complete URI syntax is collected in Appendix A.
+
+2. URI Characters and Escape Sequences
+
+   URI consist of a restricted set of characters, primarily chosen to
+   aid transcribability and usability both in computer systems and in
+   non-computer communications. Characters used conventionally as
+   delimiters around URI were excluded.  The restricted set of
+   characters consists of digits, letters, and a few graphic symbols
+   were chosen from those common to most of the character encodings and
+   input facilities available to Internet users.
+
+      uric          = reserved | unreserved | escaped
+
+   Within a URI, characters are either used as delimiters, or to
+   represent strings of data (octets) within the delimited portions.
+   Octets are either represented directly by a character (using the US-
+   ASCII character for that octet [ASCII]) or by an escape encoding.
+   This representation is elaborated below.
+
+2.1 URI and non-ASCII characters
+
+   The relationship between URI and characters has been a source of
+   confusion for characters that are not part of US-ASCII. To describe
+   the relationship, it is useful to distinguish between a "character"
+   (as a distinguishable semantic entity) and an "octet" (an 8-bit
+   byte). There are two mappings, one from URI characters to octets, and
+   a second from octets to original characters:
+
+   URI character sequence->octet sequence->original character sequence
+
+   A URI is represented as a sequence of characters, not as a sequence
+   of octets. That is because URI might be "transported" by means that
+   are not through a computer network, e.g., printed on paper, read over
+   the radio, etc.
+
+   A URI scheme may define a mapping from URI characters to octets;
+   whether this is done depends on the scheme. Commonly, within a
+   delimited component of a URI, a sequence of characters may be used to
+   represent a sequence of octets. For example, the character "a"
+   represents the octet 97 (decimal), while the character sequence "%",
+   "0", "a" represents the octet 10 (decimal).
+
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 7]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   There is a second translation for some resources: the sequence of
+   octets defined by a component of the URI is subsequently used to
+   represent a sequence of characters. A 'charset' defines this mapping.
+   There are many charsets in use in Internet protocols. For example,
+   UTF-8 [UTF-8] defines a mapping from sequences of octets to sequences
+   of characters in the repertoire of ISO 10646.
+
+   In the simplest case, the original character sequence contains only
+   characters that are defined in US-ASCII, and the two levels of
+   mapping are simple and easily invertible: each 'original character'
+   is represented as the octet for the US-ASCII code for it, which is,
+   in turn, represented as either the US-ASCII character, or else the
+   "%" escape sequence for that octet.
+
+   For original character sequences that contain non-ASCII characters,
+   however, the situation is more difficult. Internet protocols that
+   transmit octet sequences intended to represent character sequences
+   are expected to provide some way of identifying the charset used, if
+   there might be more than one [RFC2277].  However, there is currently
+   no provision within the generic URI syntax to accomplish this
+   identification. An individual URI scheme may require a single
+   charset, define a default charset, or provide a way to indicate the
+   charset used.
+
+   It is expected that a systematic treatment of character encoding
+   within URI will be developed as a future modification of this
+   specification.
+
+2.2. Reserved Characters
+
+   Many URI include components consisting of or delimited by, certain
+   special characters.  These characters are called "reserved", since
+   their usage within the URI component is limited to their reserved
+   purpose.  If the data for a URI component would conflict with the
+   reserved purpose, then the conflicting data must be escaped before
+   forming the URI.
+
+      reserved    = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
+                    "$" | ","
+
+   The "reserved" syntax class above refers to those characters that are
+   allowed within a URI, but which may not be allowed within a
+   particular component of the generic URI syntax; they are used as
+   delimiters of the components described in Section 3.
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 8]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   Characters in the "reserved" set are not reserved in all contexts.
+   The set of characters actually reserved within any given URI
+   component is defined by that component. In general, a character is
+   reserved if the semantics of the URI changes if the character is
+   replaced with its escaped US-ASCII encoding.
+
+2.3. Unreserved Characters
+
+   Data characters that are allowed in a URI but do not have a reserved
+   purpose are called unreserved.  These include upper and lower case
+   letters, decimal digits, and a limited set of punctuation marks and
+   symbols.
+
+      unreserved  = alphanum | mark
+
+      mark        = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
+
+   Unreserved characters can be escaped without changing the semantics
+   of the URI, but this should not be done unless the URI is being used
+   in a context that does not allow the unescaped character to appear.
+
+2.4. Escape Sequences
+
+   Data must be escaped if it does not have a representation using an
+   unreserved character; this includes data that does not correspond to
+   a printable character of the US-ASCII coded character set, or that
+   corresponds to any US-ASCII character that is disallowed, as
+   explained below.
+
+2.4.1. Escaped Encoding
+
+   An escaped octet is encoded as a character triplet, consisting of the
+   percent character "%" followed by the two hexadecimal digits
+   representing the octet code. For example, "%20" is the escaped
+   encoding for the US-ASCII space character.
+
+      escaped     = "%" hex hex
+      hex         = digit | "A" | "B" | "C" | "D" | "E" | "F" |
+                            "a" | "b" | "c" | "d" | "e" | "f"
+
+2.4.2. When to Escape and Unescape
+
+   A URI is always in an "escaped" form, since escaping or unescaping a
+   completed URI might change its semantics.  Normally, the only time
+   escape encodings can safely be made is when the URI is being created
+   from its component parts; each component may have its own set of
+   characters that are reserved, so only the mechanism responsible for
+   generating or interpreting that component can determine whether or
+
+
+
+Berners-Lee, et. al.        Standards Track                     [Page 9]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   not escaping a character will change its semantics. Likewise, a URI
+   must be separated into its components before the escaped characters
+   within those components can be safely decoded.
+
+   In some cases, data that could be represented by an unreserved
+   character may appear escaped; for example, some of the unreserved
+   "mark" characters are automatically escaped by some systems.  If the
+   given URI scheme defines a canonicalization algorithm, then
+   unreserved characters may be unescaped according to that algorithm.
+   For example, "%7e" is sometimes used instead of "~" in an http URL
+   path, but the two are equivalent for an http URL.
+
+   Because the percent "%" character always has the reserved purpose of
+   being the escape indicator, it must be escaped as "%25" in order to
+   be used as data within a URI.  Implementers should be careful not to
+   escape or unescape the same string more than once, since unescaping
+   an already unescaped string might lead to misinterpreting a percent
+   data character as another escaped character, or vice versa in the
+   case of escaping an already escaped string.
+
+2.4.3. Excluded US-ASCII Characters
+
+   Although they are disallowed within the URI syntax, we include here a
+   description of those US-ASCII characters that have been excluded and
+   the reasons for their exclusion.
+
+   The control characters in the US-ASCII coded character set are not
+   used within a URI, both because they are non-printable and because
+   they are likely to be misinterpreted by some control mechanisms.
+
+   control     = <US-ASCII coded characters 00-1F and 7F hexadecimal>
+
+   The space character is excluded because significant spaces may
+   disappear and insignificant spaces may be introduced when URI are
+   transcribed or typeset or subjected to the treatment of word-
+   processing programs.  Whitespace is also used to delimit URI in many
+   contexts.
+
+   space       = <US-ASCII coded character 20 hexadecimal>
+
+   The angle-bracket "<" and ">" and double-quote (") characters are
+   excluded because they are often used as the delimiters around URI in
+   text documents and protocol fields.  The character "#" is excluded
+   because it is used to delimit a URI from a fragment identifier in URI
+   references (Section 4). The percent character "%" is excluded because
+   it is used for the encoding of escaped characters.
+
+   delims      = "<" | ">" | "#" | "%" | <">
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 10]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   Other characters are excluded because gateways and other transport
+   agents are known to sometimes modify such characters, or they are
+   used as delimiters.
+
+   unwise      = "{" | "}" | "|" | "\" | "^" | "[" | "]" | "`"
+
+   Data corresponding to excluded characters must be escaped in order to
+   be properly represented within a URI.
+
+3. URI Syntactic Components
+
+   The URI syntax is dependent upon the scheme.  In general, absolute
+   URI are written as follows:
+
+      <scheme>:<scheme-specific-part>
+
+   An absolute URI contains the name of the scheme being used (<scheme>)
+   followed by a colon (":") and then a string (the <scheme-specific-
+   part>) whose interpretation depends on the scheme.
+
+   The URI syntax does not require that the scheme-specific-part have
+   any general structure or set of semantics which is common among all
+   URI.  However, a subset of URI do share a common syntax for
+   representing hierarchical relationships within the namespace.  This
+   "generic URI" syntax consists of a sequence of four main components:
+
+      <scheme>://<authority><path>?<query>
+
+   each of which, except <scheme>, may be absent from a particular URI.
+   For example, some URI schemes do not allow an <authority> component,
+   and others do not use a <query> component.
+
+      absoluteURI   = scheme ":" ( hier_part | opaque_part )
+
+   URI that are hierarchical in nature use the slash "/" character for
+   separating hierarchical components.  For some file systems, a "/"
+   character (used to denote the hierarchical structure of a URI) is the
+   delimiter used to construct a file name hierarchy, and thus the URI
+   path will look similar to a file pathname.  This does NOT imply that
+   the resource is a file or that the URI maps to an actual filesystem
+   pathname.
+
+      hier_part     = ( net_path | abs_path ) [ "?" query ]
+
+      net_path      = "//" authority [ abs_path ]
+
+      abs_path      = "/"  path_segments
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 11]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   URI that do not make use of the slash "/" character for separating
+   hierarchical components are considered opaque by the generic URI
+   parser.
+
+      opaque_part   = uric_no_slash *uric
+
+      uric_no_slash = unreserved | escaped | ";" | "?" | ":" | "@" |
+                      "&" | "=" | "+" | "$" | ","
+
+   We use the term <path> to refer to both the <abs_path> and
+   <opaque_part> constructs, since they are mutually exclusive for any
+   given URI and can be parsed as a single component.
+
+3.1. Scheme Component
+
+   Just as there are many different methods of access to resources,
+   there are a variety of schemes for identifying such resources.  The
+   URI syntax consists of a sequence of components separated by reserved
+   characters, with the first component defining the semantics for the
+   remainder of the URI string.
+
+   Scheme names consist of a sequence of characters beginning with a
+   lower case letter and followed by any combination of lower case
+   letters, digits, plus ("+"), period ("."), or hyphen ("-").  For
+   resiliency, programs interpreting URI should treat upper case letters
+   as equivalent to lower case in scheme names (e.g., allow "HTTP" as
+   well as "http").
+
+      scheme        = alpha *( alpha | digit | "+" | "-" | "." )
+
+   Relative URI references are distinguished from absolute URI in that
+   they do not begin with a scheme name.  Instead, the scheme is
+   inherited from the base URI, as described in Section 5.2.
+
+3.2. Authority Component
+
+   Many URI schemes include a top hierarchical element for a naming
+   authority, such that the namespace defined by the remainder of the
+   URI is governed by that authority.  This authority component is
+   typically defined by an Internet-based server or a scheme-specific
+   registry of naming authorities.
+
+      authority     = server | reg_name
+
+   The authority component is preceded by a double slash "//" and is
+   terminated by the next slash "/", question-mark "?", or by the end of
+   the URI.  Within the authority component, the characters ";", ":",
+   "@", "?", and "/" are reserved.
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 12]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   An authority component is not required for a URI scheme to make use
+   of relative references.  A base URI without an authority component
+   implies that any relative reference will also be without an authority
+   component.
+
+3.2.1. Registry-based Naming Authority
+
+   The structure of a registry-based naming authority is specific to the
+   URI scheme, but constrained to the allowed characters for an
+   authority component.
+
+      reg_name      = 1*( unreserved | escaped | "$" | "," |
+                          ";" | ":" | "@" | "&" | "=" | "+" )
+
+3.2.2. Server-based Naming Authority
+
+   URL schemes that involve the direct use of an IP-based protocol to a
+   specified server on the Internet use a common syntax for the server
+   component of the URI's scheme-specific data:
+
+      <userinfo>@<host>:<port>
+
+   where <userinfo> may consist of a user name and, optionally, scheme-
+   specific information about how to gain authorization to access the
+   server.  The parts "<userinfo>@" and ":<port>" may be omitted.
+
+      server        = [ [ userinfo "@" ] hostport ]
+
+   The user information, if present, is followed by a commercial at-sign
+   "@".
+
+      userinfo      = *( unreserved | escaped |
+                         ";" | ":" | "&" | "=" | "+" | "$" | "," )
+
+   Some URL schemes use the format "user:password" in the userinfo
+   field. This practice is NOT RECOMMENDED, because the passing of
+   authentication information in clear text (such as URI) has proven to
+   be a security risk in almost every case where it has been used.
+
+   The host is a domain name of a network host, or its IPv4 address as a
+   set of four decimal digit groups separated by ".".  Literal IPv6
+   addresses are not supported.
+
+      hostport      = host [ ":" port ]
+      host          = hostname | IPv4address
+      hostname      = *( domainlabel "." ) toplabel [ "." ]
+      domainlabel   = alphanum | alphanum *( alphanum | "-" ) alphanum
+      toplabel      = alpha | alpha *( alphanum | "-" ) alphanum
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 13]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      IPv4address   = 1*digit "." 1*digit "." 1*digit "." 1*digit
+      port          = *digit
+
+   Hostnames take the form described in Section 3 of [RFC1034] and
+   Section 2.1 of [RFC1123]: a sequence of domain labels separated by
+   ".", each domain label starting and ending with an alphanumeric
+   character and possibly also containing "-" characters.  The rightmost
+   domain label of a fully qualified domain name will never start with a
+   digit, thus syntactically distinguishing domain names from IPv4
+   addresses, and may be followed by a single "." if it is necessary to
+   distinguish between the complete domain name and any local domain.
+   To actually be "Uniform" as a resource locator, a URL hostname should
+   be a fully qualified domain name.  In practice, however, the host
+   component may be a local domain literal.
+
+      Note: A suitable representation for including a literal IPv6
+      address as the host part of a URL is desired, but has not yet been
+      determined or implemented in practice.
+
+   The port is the network port number for the server.  Most schemes
+   designate protocols that have a default port number.  Another port
+   number may optionally be supplied, in decimal, separated from the
+   host by a colon.  If the port is omitted, the default port number is
+   assumed.
+
+3.3. Path Component
+
+   The path component contains data, specific to the authority (or the
+   scheme if there is no authority component), identifying the resource
+   within the scope of that scheme and authority.
+
+      path          = [ abs_path | opaque_part ]
+
+      path_segments = segment *( "/" segment )
+      segment       = *pchar *( ";" param )
+      param         = *pchar
+
+      pchar         = unreserved | escaped |
+                      ":" | "@" | "&" | "=" | "+" | "$" | ","
+
+   The path may consist of a sequence of path segments separated by a
+   single slash "/" character.  Within a path segment, the characters
+   "/", ";", "=", and "?" are reserved.  Each path segment may include a
+   sequence of parameters, indicated by the semicolon ";" character.
+   The parameters are not significant to the parsing of relative
+   references.
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 14]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+3.4. Query Component
+
+   The query component is a string of information to be interpreted by
+   the resource.
+
+      query         = *uric
+
+   Within a query component, the characters ";", "/", "?", ":", "@",
+   "&", "=", "+", ",", and "$" are reserved.
+
+4. URI References
+
+   The term "URI-reference" is used here to denote the common usage of a
+   resource identifier.  A URI reference may be absolute or relative,
+   and may have additional information attached in the form of a
+   fragment identifier.  However, "the URI" that results from such a
+   reference includes only the absolute URI after the fragment
+   identifier (if any) is removed and after any relative URI is resolved
+   to its absolute form.  Although it is possible to limit the
+   discussion of URI syntax and semantics to that of the absolute
+   result, most usage of URI is within general URI references, and it is
+   impossible to obtain the URI from such a reference without also
+   parsing the fragment and resolving the relative form.
+
+      URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]
+
+   The syntax for relative URI is a shortened form of that for absolute
+   URI, where some prefix of the URI is missing and certain path
+   components ("." and "..") have a special meaning when, and only when,
+   interpreting a relative path.  The relative URI syntax is defined in
+   Section 5.
+
+4.1. Fragment Identifier
+
+   When a URI reference is used to perform a retrieval action on the
+   identified resource, the optional fragment identifier, separated from
+   the URI by a crosshatch ("#") character, consists of additional
+   reference information to be interpreted by the user agent after the
+   retrieval action has been successfully completed.  As such, it is not
+   part of a URI, but is often used in conjunction with a URI.
+
+      fragment      = *uric
+
+   The semantics of a fragment identifier is a property of the data
+   resulting from a retrieval action, regardless of the type of URI used
+   in the reference.  Therefore, the format and interpretation of
+   fragment identifiers is dependent on the media type [RFC2046] of the
+   retrieval result.  The character restrictions described in Section 2
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 15]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   for URI also apply to the fragment in a URI-reference.  Individual
+   media types may define additional restrictions or structure within
+   the fragment for specifying different types of "partial views" that
+   can be identified within that media type.
+
+   A fragment identifier is only meaningful when a URI reference is
+   intended for retrieval and the result of that retrieval is a document
+   for which the identified fragment is consistently defined.
+
+4.2. Same-document References
+
+   A URI reference that does not contain a URI is a reference to the
+   current document.  In other words, an empty URI reference within a
+   document is interpreted as a reference to the start of that document,
+   and a reference containing only a fragment identifier is a reference
+   to the identified fragment of that document.  Traversal of such a
+   reference should not result in an additional retrieval action.
+   However, if the URI reference occurs in a context that is always
+   intended to result in a new request, as in the case of HTML's FORM
+   element, then an empty URI reference represents the base URI of the
+   current document and should be replaced by that URI when transformed
+   into a request.
+
+4.3. Parsing a URI Reference
+
+   A URI reference is typically parsed according to the four main
+   components and fragment identifier in order to determine what
+   components are present and whether the reference is relative or
+   absolute.  The individual components are then parsed for their
+   subparts and, if not opaque, to verify their validity.
+
+   Although the BNF defines what is allowed in each component, it is
+   ambiguous in terms of differentiating between an authority component
+   and a path component that begins with two slash characters.  The
+   greedy algorithm is used for disambiguation: the left-most matching
+   rule soaks up as much of the URI reference string as it is capable of
+   matching.  In other words, the authority component wins.
+
+   Readers familiar with regular expressions should see Appendix B for a
+   concrete parsing example and test oracle.
+
+5. Relative URI References
+
+   It is often the case that a group or "tree" of documents has been
+   constructed to serve a common purpose; the vast majority of URI in
+   these documents point to resources within the tree rather than
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 16]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   outside of it.  Similarly, documents located at a particular site are
+   much more likely to refer to other resources at that site than to
+   resources at remote sites.
+
+   Relative addressing of URI allows document trees to be partially
+   independent of their location and access scheme.  For instance, it is
+   possible for a single set of hypertext documents to be simultaneously
+   accessible and traversable via each of the "file", "http", and "ftp"
+   schemes if the documents refer to each other using relative URI.
+   Furthermore, such document trees can be moved, as a whole, without
+   changing any of the relative references.  Experience within the WWW
+   has demonstrated that the ability to perform relative referencing is
+   necessary for the long-term usability of embedded URI.
+
+   The syntax for relative URI takes advantage of the <hier_part> syntax
+   of <absoluteURI> (Section 3) in order to express a reference that is
+   relative to the namespace of another hierarchical URI.
+
+      relativeURI   = ( net_path | abs_path | rel_path ) [ "?" query ]
+
+   A relative reference beginning with two slash characters is termed a
+   network-path reference, as defined by <net_path> in Section 3.  Such
+   references are rarely used.
+
+   A relative reference beginning with a single slash character is
+   termed an absolute-path reference, as defined by <abs_path> in
+   Section 3.
+
+   A relative reference that does not begin with a scheme name or a
+   slash character is termed a relative-path reference.
+
+      rel_path      = rel_segment [ abs_path ]
+
+      rel_segment   = 1*( unreserved | escaped |
+                          ";" | "@" | "&" | "=" | "+" | "$" | "," )
+
+   Within a relative-path reference, the complete path segments "." and
+   ".." have special meanings: "the current hierarchy level" and "the
+   level above this hierarchy level", respectively.  Although this is
+   very similar to their use within Unix-based filesystems to indicate
+   directory levels, these path components are only considered special
+   when resolving a relative-path reference to its absolute form
+   (Section 5.2).
+
+   Authors should be aware that a path segment which contains a colon
+   character cannot be used as the first segment of a relative URI path
+   (e.g., "this:that"), because it would be mistaken for a scheme name.
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 17]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   It is therefore necessary to precede such segments with other
+   segments (e.g., "./this:that") in order for them to be referenced as
+   a relative path.
+
+   It is not necessary for all URI within a given scheme to be
+   restricted to the <hier_part> syntax, since the hierarchical
+   properties of that syntax are only necessary when relative URI are
+   used within a particular document.  Documents can only make use of
+   relative URI when their base URI fits within the <hier_part> syntax.
+   It is assumed that any document which contains a relative reference
+   will also have a base URI that obeys the syntax.  In other words,
+   relative URI cannot be used within a document that has an unsuitable
+   base URI.
+
+   Some URI schemes do not allow a hierarchical syntax matching the
+   <hier_part> syntax, and thus cannot use relative references.
+
+5.1. Establishing a Base URI
+
+   The term "relative URI" implies that there exists some absolute "base
+   URI" against which the relative reference is applied.  Indeed, the
+   base URI is necessary to define the semantics of any relative URI
+   reference; without it, a relative reference is meaningless.  In order
+   for relative URI to be usable within a document, the base URI of that
+   document must be known to the parser.
+
+   The base URI of a document can be established in one of four ways,
+   listed below in order of precedence.  The order of precedence can be
+   thought of in terms of layers, where the innermost defined base URI
+   has the highest precedence.  This can be visualized graphically as:
+
+      .----------------------------------------------------------.
+      |  .----------------------------------------------------.  |
+      |  |  .----------------------------------------------.  |  |
+      |  |  |  .----------------------------------------.  |  |  |
+      |  |  |  |  .----------------------------------.  |  |  |  |
+      |  |  |  |  |       <relative_reference>       |  |  |  |  |
+      |  |  |  |  `----------------------------------'  |  |  |  |
+      |  |  |  | (5.1.1) Base URI embedded in the       |  |  |  |
+      |  |  |  |         document's content             |  |  |  |
+      |  |  |  `----------------------------------------'  |  |  |
+      |  |  | (5.1.2) Base URI of the encapsulating entity |  |  |
+      |  |  |         (message, document, or none).        |  |  |
+      |  |  `----------------------------------------------'  |  |
+      |  | (5.1.3) URI used to retrieve the entity            |  |
+      |  `----------------------------------------------------'  |
+      | (5.1.4) Default Base URI is application-dependent        |
+      `----------------------------------------------------------'
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 18]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+5.1.1. Base URI within Document Content
+
+   Within certain document media types, the base URI of the document can
+   be embedded within the content itself such that it can be readily
+   obtained by a parser.  This can be useful for descriptive documents,
+   such as tables of content, which may be transmitted to others through
+   protocols other than their usual retrieval context (e.g., E-Mail or
+   USENET news).
+
+   It is beyond the scope of this document to specify how, for each
+   media type, the base URI can be embedded.  It is assumed that user
+   agents manipulating such media types will be able to obtain the
+   appropriate syntax from that media type's specification.  An example
+   of how the base URI can be embedded in the Hypertext Markup Language
+   (HTML) [RFC1866] is provided in Appendix D.
+
+   A mechanism for embedding the base URI within MIME container types
+   (e.g., the message and multipart types) is defined by MHTML
+   [RFC2110].  Protocols that do not use the MIME message header syntax,
+   but which do allow some form of tagged metainformation to be included
+   within messages, may define their own syntax for defining the base
+   URI as part of a message.
+
+5.1.2. Base URI from the Encapsulating Entity
+
+   If no base URI is embedded, the base URI of a document is defined by
+   the document's retrieval context.  For a document that is enclosed
+   within another entity (such as a message or another document), the
+   retrieval context is that entity; thus, the default base URI of the
+   document is the base URI of the entity in which the document is
+   encapsulated.
+
+5.1.3. Base URI from the Retrieval URI
+
+   If no base URI is embedded and the document is not encapsulated
+   within some other entity (e.g., the top level of a composite entity),
+   then, if a URI was used to retrieve the base document, that URI shall
+   be considered the base URI.  Note that if the retrieval was the
+   result of a redirected request, the last URI used (i.e., that which
+   resulted in the actual retrieval of the document) is the base URI.
+
+5.1.4. Default Base URI
+
+   If none of the conditions described in Sections 5.1.1--5.1.3 apply,
+   then the base URI is defined by the context of the application.
+   Since this definition is necessarily application-dependent, failing
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 19]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   to define the base URI using one of the other methods may result in
+   the same content being interpreted differently by different types of
+   application.
+
+   It is the responsibility of the distributor(s) of a document
+   containing relative URI to ensure that the base URI for that document
+   can be established.  It must be emphasized that relative URI cannot
+   be used reliably in situations where the document's base URI is not
+   well-defined.
+
+5.2. Resolving Relative References to Absolute Form
+
+   This section describes an example algorithm for resolving URI
+   references that might be relative to a given base URI.
+
+   The base URI is established according to the rules of Section 5.1 and
+   parsed into the four main components as described in Section 3.  Note
+   that only the scheme component is required to be present in the base
+   URI; the other components may be empty or undefined.  A component is
+   undefined if its preceding separator does not appear in the URI
+   reference; the path component is never undefined, though it may be
+   empty.  The base URI's query component is not used by the resolution
+   algorithm and may be discarded.
+
+   For each URI reference, the following steps are performed in order:
+
+   1) The URI reference is parsed into the potential four components and
+      fragment identifier, as described in Section 4.3.
+
+   2) If the path component is empty and the scheme, authority, and
+      query components are undefined, then it is a reference to the
+      current document and we are done.  Otherwise, the reference URI's
+      query and fragment components are defined as found (or not found)
+      within the URI reference and not inherited from the base URI.
+
+   3) If the scheme component is defined, indicating that the reference
+      starts with a scheme name, then the reference is interpreted as an
+      absolute URI and we are done.  Otherwise, the reference URI's
+      scheme is inherited from the base URI's scheme component.
+
+      Due to a loophole in prior specifications [RFC1630], some parsers
+      allow the scheme name to be present in a relative URI if it is the
+      same as the base URI scheme.  Unfortunately, this can conflict
+      with the correct parsing of non-hierarchical URI.  For backwards
+      compatibility, an implementation may work around such references
+      by removing the scheme if it matches that of the base URI and the
+      scheme is known to always use the <hier_part> syntax.  The parser
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 20]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      can then continue with the steps below for the remainder of the
+      reference components.  Validating parsers should mark such a
+      misformed relative reference as an error.
+
+   4) If the authority component is defined, then the reference is a
+      network-path and we skip to step 7.  Otherwise, the reference
+      URI's authority is inherited from the base URI's authority
+      component, which will also be undefined if the URI scheme does not
+      use an authority component.
+
+   5) If the path component begins with a slash character ("/"), then
+      the reference is an absolute-path and we skip to step 7.
+
+   6) If this step is reached, then we are resolving a relative-path
+      reference.  The relative path needs to be merged with the base
+      URI's path.  Although there are many ways to do this, we will
+      describe a simple method using a separate string buffer.
+
+      a) All but the last segment of the base URI's path component is
+         copied to the buffer.  In other words, any characters after the
+         last (right-most) slash character, if any, are excluded.
+
+      b) The reference's path component is appended to the buffer
+         string.
+
+      c) All occurrences of "./", where "." is a complete path segment,
+         are removed from the buffer string.
+
+      d) If the buffer string ends with "." as a complete path segment,
+         that "." is removed.
+
+      e) All occurrences of "<segment>/../", where <segment> is a
+         complete path segment not equal to "..", are removed from the
+         buffer string.  Removal of these path segments is performed
+         iteratively, removing the leftmost matching pattern on each
+         iteration, until no matching pattern remains.
+
+      f) If the buffer string ends with "<segment>/..", where <segment>
+         is a complete path segment not equal to "..", that
+         "<segment>/.." is removed.
+
+      g) If the resulting buffer string still begins with one or more
+         complete path segments of "..", then the reference is
+         considered to be in error.  Implementations may handle this
+         error by retaining these components in the resolved path (i.e.,
+         treating them as part of the final URI), by removing them from
+         the resolved path (i.e., discarding relative levels above the
+         root), or by avoiding traversal of the reference.
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 21]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      h) The remaining buffer string is the reference URI's new path
+         component.
+
+   7) The resulting URI components, including any inherited from the
+      base URI, are recombined to give the absolute form of the URI
+      reference.  Using pseudocode, this would be
+
+         result = ""
+
+         if scheme is defined then
+             append scheme to result
+             append ":" to result
+
+         if authority is defined then
+             append "//" to result
+             append authority to result
+
+         append path to result
+
+         if query is defined then
+             append "?" to result
+             append query to result
+
+         if fragment is defined then
+             append "#" to result
+             append fragment to result
+
+         return result
+
+      Note that we must be careful to preserve the distinction between a
+      component that is undefined, meaning that its separator was not
+      present in the reference, and a component that is empty, meaning
+      that the separator was present and was immediately followed by the
+      next component separator or the end of the reference.
+
+   The above algorithm is intended to provide an example by which the
+   output of implementations can be tested -- implementation of the
+   algorithm itself is not required.  For example, some systems may find
+   it more efficient to implement step 6 as a pair of segment stacks
+   being merged, rather than as a series of string pattern replacements.
+
+      Note: Some WWW client applications will fail to separate the
+      reference's query component from its path component before merging
+      the base and reference paths in step 6 above.  This may result in
+      a loss of information if the query component contains the strings
+      "/../" or "/./".
+
+   Resolution examples are provided in Appendix C.
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 22]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+6. URI Normalization and Equivalence
+
+   In many cases, different URI strings may actually identify the
+   identical resource. For example, the host names used in URL are
+   actually case insensitive, and the URL <http://www.XEROX.com> is
+   equivalent to <http://www.xerox.com>. In general, the rules for
+   equivalence and definition of a normal form, if any, are scheme
+   dependent. When a scheme uses elements of the common syntax, it will
+   also use the common syntax equivalence rules, namely that the scheme
+   and hostname are case insensitive and a URL with an explicit ":port",
+   where the port is the default for the scheme, is equivalent to one
+   where the port is elided.
+
+7. Security Considerations
+
+   A URI does not in itself pose a security threat.  Users should beware
+   that there is no general guarantee that a URL, which at one time
+   located a given resource, will continue to do so.  Nor is there any
+   guarantee that a URL will not locate a different resource at some
+   later point in time, due to the lack of any constraint on how a given
+   authority apportions its namespace.  Such a guarantee can only be
+   obtained from the person(s) controlling that namespace and the
+   resource in question.  A specific URI scheme may include additional
+   semantics, such as name persistence, if those semantics are required
+   of all naming authorities for that scheme.
+
+   It is sometimes possible to construct a URL such that an attempt to
+   perform a seemingly harmless, idempotent operation, such as the
+   retrieval of an entity associated with the resource, will in fact
+   cause a possibly damaging remote operation to occur.  The unsafe URL
+   is typically constructed by specifying a port number other than that
+   reserved for the network protocol in question.  The client
+   unwittingly contacts a site that is in fact running a different
+   protocol.  The content of the URL contains instructions that, when
+   interpreted according to this other protocol, cause an unexpected
+   operation.  An example has been the use of a gopher URL to cause an
+   unintended or impersonating message to be sent via a SMTP server.
+
+   Caution should be used when using any URL that specifies a port
+   number other than the default for the protocol, especially when it is
+   a number within the reserved space.
+
+   Care should be taken when a URL contains escaped delimiters for a
+   given protocol (for example, CR and LF characters for telnet
+   protocols) that these are not unescaped before transmission.  This
+   might violate the protocol, but avoids the potential for such
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 23]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   characters to be used to simulate an extra operation or parameter in
+   that protocol, which might lead to an unexpected and possibly harmful
+   remote operation to be performed.
+
+   It is clearly unwise to use a URL that contains a password which is
+   intended to be secret. In particular, the use of a password within
+   the 'userinfo' component of a URL is strongly disrecommended except
+   in those rare cases where the 'password' parameter is intended to be
+   public.
+
+8. Acknowledgements
+
+   This document was derived from RFC 1738 [RFC1738] and RFC 1808
+   [RFC1808]; the acknowledgements in those specifications still apply.
+   In addition, contributions by Gisle Aas, Martin Beet, Martin Duerst,
+   Jim Gettys, Martijn Koster, Dave Kristol, Daniel LaLiberte, Foteos
+   Macrides, James Marshall, Ryan Moats, Keith Moore, and Lauren Wood
+   are gratefully acknowledged.
+
+9. References
+
+   [RFC2277] Alvestrand, H., "IETF Policy on Character Sets and
+             Languages", BCP 18, RFC 2277, January 1998.
+
+   [RFC1630] Berners-Lee, T., "Universal Resource Identifiers in WWW: A
+             Unifying Syntax for the Expression of Names and Addresses
+             of Objects on the Network as used in the World-Wide Web",
+             RFC 1630, June 1994.
+
+   [RFC1738] Berners-Lee, T., Masinter, L., and M. McCahill, Editors,
+             "Uniform Resource Locators (URL)", RFC 1738, December 1994.
+
+   [RFC1866] Berners-Lee T., and D. Connolly, "HyperText Markup Language
+             Specification -- 2.0", RFC 1866, November 1995.
+
+   [RFC1123] Braden, R., Editor, "Requirements for Internet Hosts --
+             Application and Support", STD 3, RFC 1123, October 1989.
+
+   [RFC822]  Crocker, D., "Standard for the Format of ARPA Internet Text
+             Messages", STD 11, RFC 822, August 1982.
+
+   [RFC1808] Fielding, R., "Relative Uniform Resource Locators", RFC
+             1808, June 1995.
+
+   [RFC2046] Freed, N., and N. Borenstein, "Multipurpose Internet Mail
+             Extensions (MIME) Part Two: Media Types", RFC 2046,
+             November 1996.
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 24]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   [RFC1736] Kunze, J., "Functional Recommendations for Internet
+             Resource Locators", RFC 1736, February 1995.
+
+   [RFC2141] Moats, R., "URN Syntax", RFC 2141, May 1997.
+
+   [RFC1034] Mockapetris, P., "Domain Names - Concepts and Facilities",
+             STD 13, RFC 1034, November 1987.
+
+   [RFC2110] Palme, J., and A. Hopmann, "MIME E-mail Encapsulation of
+             Aggregate Documents, such as HTML (MHTML)", RFC 2110, March
+             1997.
+
+   [RFC1737] Sollins, K., and L. Masinter, "Functional Requirements for
+             Uniform Resource Names", RFC 1737, December 1994.
+
+   [ASCII]   US-ASCII. "Coded Character Set -- 7-bit American Standard
+             Code for Information Interchange", ANSI X3.4-1986.
+
+   [UTF-8]   Yergeau, F., "UTF-8, a transformation format of ISO 10646",
+             RFC 2279, January 1998.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 25]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+10. Authors' Addresses
+
+   Tim Berners-Lee
+   World Wide Web Consortium
+   MIT Laboratory for Computer Science, NE43-356
+   545 Technology Square
+   Cambridge, MA 02139
+
+   Fax: +1(617)258-8682
+   EMail: timbl@w3.org
+
+
+   Roy T. Fielding
+   Department of Information and Computer Science
+   University of California, Irvine
+   Irvine, CA  92697-3425
+
+   Fax: +1(949)824-1715
+   EMail: fielding@ics.uci.edu
+
+
+   Larry Masinter
+   Xerox PARC
+   3333 Coyote Hill Road
+   Palo Alto, CA 94034
+
+   Fax: +1(415)812-4333
+   EMail: masinter@parc.xerox.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 26]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+A. Collected BNF for URI
+
+      URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]
+      absoluteURI   = scheme ":" ( hier_part | opaque_part )
+      relativeURI   = ( net_path | abs_path | rel_path ) [ "?" query ]
+
+      hier_part     = ( net_path | abs_path ) [ "?" query ]
+      opaque_part   = uric_no_slash *uric
+
+      uric_no_slash = unreserved | escaped | ";" | "?" | ":" | "@" |
+                      "&" | "=" | "+" | "$" | ","
+
+      net_path      = "//" authority [ abs_path ]
+      abs_path      = "/"  path_segments
+      rel_path      = rel_segment [ abs_path ]
+
+      rel_segment   = 1*( unreserved | escaped |
+                          ";" | "@" | "&" | "=" | "+" | "$" | "," )
+
+      scheme        = alpha *( alpha | digit | "+" | "-" | "." )
+
+      authority     = server | reg_name
+
+      reg_name      = 1*( unreserved | escaped | "$" | "," |
+                          ";" | ":" | "@" | "&" | "=" | "+" )
+
+      server        = [ [ userinfo "@" ] hostport ]
+      userinfo      = *( unreserved | escaped |
+                         ";" | ":" | "&" | "=" | "+" | "$" | "," )
+
+      hostport      = host [ ":" port ]
+      host          = hostname | IPv4address
+      hostname      = *( domainlabel "." ) toplabel [ "." ]
+      domainlabel   = alphanum | alphanum *( alphanum | "-" ) alphanum
+      toplabel      = alpha | alpha *( alphanum | "-" ) alphanum
+      IPv4address   = 1*digit "." 1*digit "." 1*digit "." 1*digit
+      port          = *digit
+
+      path          = [ abs_path | opaque_part ]
+      path_segments = segment *( "/" segment )
+      segment       = *pchar *( ";" param )
+      param         = *pchar
+      pchar         = unreserved | escaped |
+                      ":" | "@" | "&" | "=" | "+" | "$" | ","
+
+      query         = *uric
+
+      fragment      = *uric
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 27]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      uric          = reserved | unreserved | escaped
+      reserved      = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
+                      "$" | ","
+      unreserved    = alphanum | mark
+      mark          = "-" | "_" | "." | "!" | "~" | "*" | "'" |
+                      "(" | ")"
+
+      escaped       = "%" hex hex
+      hex           = digit | "A" | "B" | "C" | "D" | "E" | "F" |
+                              "a" | "b" | "c" | "d" | "e" | "f"
+
+      alphanum      = alpha | digit
+      alpha         = lowalpha | upalpha
+
+      lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" |
+                 "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" |
+                 "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"
+      upalpha  = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" |
+                 "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" |
+                 "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z"
+      digit    = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" |
+                 "8" | "9"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 28]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+B. Parsing a URI Reference with a Regular Expression
+
+   As described in Section 4.3, the generic URI syntax is not sufficient
+   to disambiguate the components of some forms of URI.  Since the
+   "greedy algorithm" described in that section is identical to the
+   disambiguation method used by POSIX regular expressions, it is
+   natural and commonplace to use a regular expression for parsing the
+   potential four components and fragment identifier of a URI reference.
+
+   The following line is the regular expression for breaking-down a URI
+   reference into its components.
+
+      ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
+       12            3  4          5       6  7        8 9
+
+   The numbers in the second line above are only to assist readability;
+   they indicate the reference points for each subexpression (i.e., each
+   paired parenthesis).  We refer to the value matched for subexpression
+   <n> as $<n>.  For example, matching the above expression to
+
+      http://www.ics.uci.edu/pub/ietf/uri/#Related
+
+   results in the following subexpression matches:
+
+      $1 = http:
+      $2 = http
+      $3 = //www.ics.uci.edu
+      $4 = www.ics.uci.edu
+      $5 = /pub/ietf/uri/
+      $6 = <undefined>
+      $7 = <undefined>
+      $8 = #Related
+      $9 = Related
+
+   where <undefined> indicates that the component is not present, as is
+   the case for the query component in the above example.  Therefore, we
+   can determine the value of the four components and fragment as
+
+      scheme    = $2
+      authority = $4
+      path      = $5
+      query     = $7
+      fragment  = $9
+
+   and, going in the opposite direction, we can recreate a URI reference
+   from its components using the algorithm in step 7 of Section 5.2.
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 29]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+C. Examples of Resolving Relative URI References
+
+   Within an object with a well-defined base URI of
+
+      http://a/b/c/d;p?q
+
+   the relative URI would be resolved as follows:
+
+C.1.  Normal Examples
+
+      g:h           =  g:h
+      g             =  http://a/b/c/g
+      ./g           =  http://a/b/c/g
+      g/            =  http://a/b/c/g/
+      /g            =  http://a/g
+      //g           =  http://g
+      ?y            =  http://a/b/c/?y
+      g?y           =  http://a/b/c/g?y
+      #s            =  (current document)#s
+      g#s           =  http://a/b/c/g#s
+      g?y#s         =  http://a/b/c/g?y#s
+      ;x            =  http://a/b/c/;x
+      g;x           =  http://a/b/c/g;x
+      g;x?y#s       =  http://a/b/c/g;x?y#s
+      .             =  http://a/b/c/
+      ./            =  http://a/b/c/
+      ..            =  http://a/b/
+      ../           =  http://a/b/
+      ../g          =  http://a/b/g
+      ../..         =  http://a/
+      ../../        =  http://a/
+      ../../g       =  http://a/g
+
+C.2.  Abnormal Examples
+
+   Although the following abnormal examples are unlikely to occur in
+   normal practice, all URI parsers should be capable of resolving them
+   consistently.  Each example uses the same base as above.
+
+   An empty reference refers to the start of the current document.
+
+      <>            =  (current document)
+
+   Parsers must be careful in handling the case where there are more
+   relative path ".." segments than there are hierarchical levels in the
+   base URI's path.  Note that the ".." syntax cannot be used to change
+   the authority component of a URI.
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 30]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      ../../../g    =  http://a/../g
+      ../../../../g =  http://a/../../g
+
+   In practice, some implementations strip leading relative symbolic
+   elements (".", "..") after applying a relative URI calculation, based
+   on the theory that compensating for obvious author errors is better
+   than allowing the request to fail.  Thus, the above two references
+   will be interpreted as "http://a/g" by some implementations.
+
+   Similarly, parsers must avoid treating "." and ".." as special when
+   they are not complete components of a relative path.
+
+      /./g          =  http://a/./g
+      /../g         =  http://a/../g
+      g.            =  http://a/b/c/g.
+      .g            =  http://a/b/c/.g
+      g..           =  http://a/b/c/g..
+      ..g           =  http://a/b/c/..g
+
+   Less likely are cases where the relative URI uses unnecessary or
+   nonsensical forms of the "." and ".." complete path segments.
+
+      ./../g        =  http://a/b/g
+      ./g/.         =  http://a/b/c/g/
+      g/./h         =  http://a/b/c/g/h
+      g/../h        =  http://a/b/c/h
+      g;x=1/./y     =  http://a/b/c/g;x=1/y
+      g;x=1/../y    =  http://a/b/c/y
+
+   All client applications remove the query component from the base URI
+   before resolving relative URI.  However, some applications fail to
+   separate the reference's query and/or fragment components from a
+   relative path before merging it with the base path.  This error is
+   rarely noticed, since typical usage of a fragment never includes the
+   hierarchy ("/") character, and the query component is not normally
+   used within relative references.
+
+      g?y/./x       =  http://a/b/c/g?y/./x
+      g?y/../x      =  http://a/b/c/g?y/../x
+      g#s/./x       =  http://a/b/c/g#s/./x
+      g#s/../x      =  http://a/b/c/g#s/../x
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 31]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   Some parsers allow the scheme name to be present in a relative URI if
+   it is the same as the base URI scheme.  This is considered to be a
+   loophole in prior specifications of partial URI [RFC1630]. Its use
+   should be avoided.
+
+      http:g        =  http:g           ; for validating parsers
+                    |  http://a/b/c/g   ; for backwards compatibility
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 32]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+D. Embedding the Base URI in HTML documents
+
+   It is useful to consider an example of how the base URI of a document
+   can be embedded within the document's content.  In this appendix, we
+   describe how documents written in the Hypertext Markup Language
+   (HTML) [RFC1866] can include an embedded base URI.  This appendix
+   does not form a part of the URI specification and should not be
+   considered as anything more than a descriptive example.
+
+   HTML defines a special element "BASE" which, when present in the
+   "HEAD" portion of a document, signals that the parser should use the
+   BASE element's "HREF" attribute as the base URI for resolving any
+   relative URI.  The "HREF" attribute must be an absolute URI.  Note
+   that, in HTML, element and attribute names are case-insensitive.  For
+   example:
+
+      <!doctype html public "-//IETF//DTD HTML//EN">
+      <HTML><HEAD>
+      <TITLE>An example HTML document</TITLE>
+      <BASE href="http://www.ics.uci.edu/Test/a/b/c">
+      </HEAD><BODY>
+      ... <A href="../x">a hypertext anchor</A> ...
+      </BODY></HTML>
+
+   A parser reading the example document should interpret the given
+   relative URI "../x" as representing the absolute URI
+
+      <http://www.ics.uci.edu/Test/a/x>
+
+   regardless of the context in which the example document was obtained.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 33]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+E. Recommendations for Delimiting URI in Context
+
+   URI are often transmitted through formats that do not provide a clear
+   context for their interpretation.  For example, there are many
+   occasions when URI are included in plain text; examples include text
+   sent in electronic mail, USENET news messages, and, most importantly,
+   printed on paper.  In such cases, it is important to be able to
+   delimit the URI from the rest of the text, and in particular from
+   punctuation marks that might be mistaken for part of the URI.
+
+   In practice, URI are delimited in a variety of ways, but usually
+   within double-quotes "http://test.com/", angle brackets
+   <http://test.com/>, or just using whitespace
+
+                             http://test.com/
+
+   These wrappers do not form part of the URI.
+
+   In the case where a fragment identifier is associated with a URI
+   reference, the fragment would be placed within the brackets as well
+   (separated from the URI with a "#" character).
+
+   In some cases, extra whitespace (spaces, linebreaks, tabs, etc.) may
+   need to be added to break long URI across lines. The whitespace
+   should be ignored when extracting the URI.
+
+   No whitespace should be introduced after a hyphen ("-") character.
+   Because some typesetters and printers may (erroneously) introduce a
+   hyphen at the end of line when breaking a line, the interpreter of a
+   URI containing a line break immediately after a hyphen should ignore
+   all unescaped whitespace around the line break, and should be aware
+   that the hyphen may or may not actually be part of the URI.
+
+   Using <> angle brackets around each URI is especially recommended as
+   a delimiting style for URI that contain whitespace.
+
+   The prefix "URL:" (with or without a trailing space) was recommended
+   as a way to used to help distinguish a URL from other bracketed
+   designators, although this is not common in practice.
+
+   For robustness, software that accepts user-typed URI should attempt
+   to recognize and strip both delimiters and embedded whitespace.
+
+   For example, the text:
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 34]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+      Yes, Jim, I found it under "http://www.w3.org/Addressing/",
+      but you can probably pick it up from <ftp://ds.internic.
+      net/rfc/>.  Note the warning in <http://www.ics.uci.edu/pub/
+      ietf/uri/historical.html#WARNING>.
+
+   contains the URI references
+
+      http://www.w3.org/Addressing/
+      ftp://ds.internic.net/rfc/
+      http://www.ics.uci.edu/pub/ietf/uri/historical.html#WARNING
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 35]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+F. Abbreviated URLs
+
+   The URL syntax was designed for unambiguous reference to network
+   resources and extensibility via the URL scheme.  However, as URL
+   identification and usage have become commonplace, traditional media
+   (television, radio, newspapers, billboards, etc.) have increasingly
+   used abbreviated URL references.  That is, a reference consisting of
+   only the authority and path portions of the identified resource, such
+   as
+
+      www.w3.org/Addressing/
+
+   or simply the DNS hostname on its own.  Such references are primarily
+   intended for human interpretation rather than machine, with the
+   assumption that context-based heuristics are sufficient to complete
+   the URL (e.g., most hostnames beginning with "www" are likely to have
+   a URL prefix of "http://").  Although there is no standard set of
+   heuristics for disambiguating abbreviated URL references, many client
+   implementations allow them to be entered by the user and
+   heuristically resolved.  It should be noted that such heuristics may
+   change over time, particularly when new URL schemes are introduced.
+
+   Since an abbreviated URL has the same syntax as a relative URL path,
+   abbreviated URL references cannot be used in contexts where relative
+   URLs are expected.  This limits the use of abbreviated URLs to places
+   where there is no defined base URL, such as dialog boxes and off-line
+   advertisements.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 36]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+G. Summary of Non-editorial Changes
+
+G.1. Additions
+
+   Section 4 (URI References) was added to stem the confusion regarding
+   "what is a URI" and how to describe fragment identifiers given that
+   they are not part of the URI, but are part of the URI syntax and
+   parsing concerns.  In addition, it provides a reference definition
+   for use by other IETF specifications (HTML, HTTP, etc.) that have
+   previously attempted to redefine the URI syntax in order to account
+   for the presence of fragment identifiers in URI references.
+
+   Section 2.4 was rewritten to clarify a number of misinterpretations
+   and to leave room for fully internationalized URI.
+
+   Appendix F on abbreviated URLs was added to describe the shortened
+   references often seen on television and magazine advertisements and
+   explain why they are not used in other contexts.
+
+G.2. Modifications from both RFC 1738 and RFC 1808
+
+   Changed to URI syntax instead of just URL.
+
+   Confusion regarding the terms "character encoding", the URI
+   "character set", and the escaping of characters with %<hex><hex>
+   equivalents has (hopefully) been reduced.  Many of the BNF rule names
+   regarding the character sets have been changed to more accurately
+   describe their purpose and to encompass all "characters" rather than
+   just US-ASCII octets.  Unless otherwise noted here, these
+   modifications do not affect the URI syntax.
+
+   Both RFC 1738 and RFC 1808 refer to the "reserved" set of characters
+   as if URI-interpreting software were limited to a single set of
+   characters with a reserved purpose (i.e., as meaning something other
+   than the data to which the characters correspond), and that this set
+   was fixed by the URI scheme.  However, this has not been true in
+   practice; any character that is interpreted differently when it is
+   escaped is, in effect, reserved.  Furthermore, the interpreting
+   engine on a HTTP server is often dependent on the resource, not just
+   the URI scheme.  The description of reserved characters has been
+   changed accordingly.
+
+   The plus "+", dollar "$", and comma "," characters have been added to
+   those in the "reserved" set, since they are treated as reserved
+   within the query component.
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 37]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   The tilde "~" character was added to those in the "unreserved" set,
+   since it is extensively used on the Internet in spite of the
+   difficulty to transcribe it with some keyboards.
+
+   The syntax for URI scheme has been changed to require that all
+   schemes begin with an alpha character.
+
+   The "user:password" form in the previous BNF was changed to a
+   "userinfo" token, and the possibility that it might be
+   "user:password" made scheme specific. In particular, the use of
+   passwords in the clear is not even suggested by the syntax.
+
+   The question-mark "?" character was removed from the set of allowed
+   characters for the userinfo in the authority component, since testing
+   showed that many applications treat it as reserved for separating the
+   query component from the rest of the URI.
+
+   The semicolon ";" character was added to those stated as being
+   reserved within the authority component, since several new schemes
+   are using it as a separator within userinfo to indicate the type of
+   user authentication.
+
+   RFC 1738 specified that the path was separated from the authority
+   portion of a URI by a slash.  RFC 1808 followed suit, but with a
+   fudge of carrying around the separator as a "prefix" in order to
+   describe the parsing algorithm.  RFC 1630 never had this problem,
+   since it considered the slash to be part of the path.  In writing
+   this specification, it was found to be impossible to accurately
+   describe and retain the difference between the two URI
+      <foo:/bar>   and   <foo:bar>
+   without either considering the slash to be part of the path (as
+   corresponds to actual practice) or creating a separate component just
+   to hold that slash.  We chose the former.
+
+G.3. Modifications from RFC 1738
+
+   The definition of specific URL schemes and their scheme-specific
+   syntax and semantics has been moved to separate documents.
+
+   The URL host was defined as a fully-qualified domain name.  However,
+   many URLs are used without fully-qualified domain names (in contexts
+   for which the full qualification is not necessary), without any host
+   (as in some file URLs), or with a host of "localhost".
+
+   The URL port is now *digit instead of 1*digit, since systems are
+   expected to handle the case where the ":" separator between host and
+   port is supplied without a port.
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 38]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+   The recommendations for delimiting URI in context (Appendix E) have
+   been adjusted to reflect current practice.
+
+G.4. Modifications from RFC 1808
+
+   RFC 1808 (Section 4) defined an empty URL reference (a reference
+   containing nothing aside from the fragment identifier) as being a
+   reference to the base URL.  Unfortunately, that definition could be
+   interpreted, upon selection of such a reference, as a new retrieval
+   action on that resource.  Since the normal intent of such references
+   is for the user agent to change its view of the current document to
+   the beginning of the specified fragment within that document, not to
+   make an additional request of the resource, a description of how to
+   correctly interpret an empty reference has been added in Section 4.
+
+   The description of the mythical Base header field has been replaced
+   with a reference to the Content-Location header field defined by
+   MHTML [RFC2110].
+
+   RFC 1808 described various schemes as either having or not having the
+   properties of the generic URI syntax.  However, the only requirement
+   is that the particular document containing the relative references
+   have a base URI that abides by the generic URI syntax, regardless of
+   the URI scheme, so the associated description has been updated to
+   reflect that.
+
+   The BNF term <net_loc> has been replaced with <authority>, since the
+   latter more accurately describes its use and purpose.  Likewise, the
+   authority is no longer restricted to the IP server syntax.
+
+   Extensive testing of current client applications demonstrated that
+   the majority of deployed systems do not use the ";" character to
+   indicate trailing parameter information, and that the presence of a
+   semicolon in a path segment does not affect the relative parsing of
+   that segment.  Therefore, parameters have been removed as a separate
+   component and may now appear in any path segment.  Their influence
+   has been removed from the algorithm for resolving a relative URI
+   reference.  The resolution examples in Appendix C have been modified
+   to reflect this change.
+
+   Implementations are now allowed to work around misformed relative
+   references that are prefixed by the same scheme as the base URI, but
+   only for schemes known to use the <hier_part> syntax.
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 39]
+
+RFC 2396                   URI Generic Syntax                August 1998
+
+
+H.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1998).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Berners-Lee, et. al.        Standards Track                    [Page 40]
+
diff --git a/standards/rfc2487.txt b/standards/rfc2487.txt
new file mode 100644
index 000000000..fb1305f00
--- /dev/null
+++ b/standards/rfc2487.txt
@@ -0,0 +1,451 @@
+
+
+
+
+
+
+Network Working Group                                     P. Hoffman
+Request for Comments: 2487                  Internet Mail Consortium
+Category: Standards Track                               January 1999
+
+
+            SMTP Service Extension for Secure SMTP over TLS
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+1. Abstract
+
+   This document describes an extension to the SMTP service that allows
+   an SMTP server and client to use transport-layer security to provide
+   private, authenticated communication over the Internet. This gives
+   SMTP agents the ability to protect some or all of their
+   communications from eavesdroppers and attackers.
+
+2. Introduction
+
+   SMTP [RFC-821] servers and clients normally communicate in the clear
+   over the Internet. In many cases, this communication goes through one
+   or more router that is not controlled or trusted by either entity.
+   Such an untrusted router might allow a third party to monitor or
+   alter the communications between the server and client.
+
+   Further, there is often a desire for two SMTP agents to be able to
+   authenticate each others' identities. For example, a secure SMTP
+   server might only allow communications from other SMTP agents it
+   knows, or it might act differently for messages received from an
+   agent it knows than from one it doesn't know.
+
+   TLS [TLS], more commonly known as SSL, is a popular mechanism for
+   enhancing TCP communications with privacy and authentication. TLS is
+   in wide use with the HTTP protocol, and is also being used for adding
+   security to many other common protocols that run over TCP.
+
+
+
+
+
+
+Hoffman                     Standards Track                     [Page 1]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+2.1 Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
+   document are to be interpreted as described in [RFC-2119].
+
+3. STARTTLS Extension
+
+   The STARTTLS extension to SMTP is laid out as follows:
+
+   (1) the name of the SMTP service defined here is STARTTLS;
+
+   (2) the EHLO keyword value associated with the extension is STARTTLS;
+
+   (3) the STARTTLS keyword has no parameters;
+
+   (4) a new SMTP verb, "STARTTLS", is defined;
+
+   (5) no additional parameters are added to any SMTP command.
+
+4. The STARTTLS Keyword
+
+   The STARTTLS keyword is used to tell the SMTP client that the SMTP
+   server allows use of TLS. It takes no parameters.
+
+5. The STARTTLS Command
+
+   The format for the STARTTLS command is:
+
+   STARTTLS
+
+   with no parameters.
+
+   After the client gives the STARTTLS command, the server responds with
+   one of the following reply codes:
+
+   220 Ready to start TLS
+   501 Syntax error (no parameters allowed)
+   454 TLS not available due to temporary reason
+
+   A publicly-referenced SMTP server MUST NOT require use of the
+   STARTTLS extension in order to deliver mail locally. This rule
+   prevents the STARTTLS extension from damaging the interoperability of
+   the Internet's SMTP infrastructure. A publicly-referenced SMTP server
+   is an SMTP server which runs on port 25 of an Internet host listed in
+   the MX record (or A record if an MX record is not present) for the
+   domain name on the right hand side of an Internet mail address.
+
+
+
+
+Hoffman                     Standards Track                     [Page 2]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+   Any SMTP server may refuse to accept messages for relay based on
+   authentication supplied during the TLS negotiation. An SMTP server
+   that is not publicly referenced may refuse to accept any messages for
+   relay or local delivery based on authentication supplied during the
+   TLS negotiation.
+
+   A SMTP server that is not publicly referenced may choose to require
+   that the client perform a TLS negotiation before accepting any
+   commands. In this case, the server SHOULD return the reply code:
+
+   530 Must issue a STARTTLS command first
+
+   to every command other than NOOP, EHLO, STARTTLS, or QUIT. If the
+   client and server are using the ENHANCEDSTATUSCODES ESMTP extension
+   [RFC-2034], the status code to be returned SHOULD be 5.7.0.
+
+   After receiving a 220 response to a STARTTLS command, the client
+   SHOULD start the TLS negotiation before giving any other SMTP
+   commands.
+
+   If the SMTP client is using pipelining as defined in RFC 1854, the
+   STARTTLS command must be the last command in a group.
+
+5.1 Processing After the STARTTLS Command
+
+   After the TLS handshake has been completed, both parties MUST
+   immediately decide whether or not to continue based on the
+   authentication and privacy achieved. The SMTP client and server may
+   decide to move ahead even if the TLS negotiation ended with no
+   authentication and/or no privacy because most SMTP services are
+   performed with no authentication and no privacy, but some SMTP
+   clients or servers may want to continue only if a particular level of
+   authentication and/or privacy was achieved.
+
+   If the SMTP client decides that the level of authentication or
+   privacy is not high enough for it to continue, it SHOULD issue an
+   SMTP QUIT command immediately after the TLS negotiation is complete.
+   If the SMTP server decides that the level of authentication or
+   privacy is not high enough for it to continue, it SHOULD reply to
+   every SMTP command from the client (other than a QUIT command) with
+   the 554 reply code (with a possible text string such as "Command
+   refused due to lack of security").
+
+   The decision of whether or not to believe the authenticity of the
+   other party in a TLS negotiation is a local matter. However, some
+   general rules for the decisions are:
+
+
+
+
+
+Hoffman                     Standards Track                     [Page 3]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+    - A SMTP client would probably only want to authenticate an SMTP
+      server whose server certificate has a domain name that is the
+      domain name that the client thought it was connecting to.
+    - A publicly-referenced  SMTP server would probably want to accept
+      any certificate from an SMTP client, and would possibly want to
+      put distinguishing information about the certificate in the
+      Received header of messages that were relayed or submitted from
+      the client.
+
+5.2 Result of the STARTTLS Command
+
+   Upon completion of the TLS handshake, the SMTP protocol is reset to
+   the initial state (the state in SMTP after a server issues a 220
+   service ready greeting). The server MUST discard any knowledge
+   obtained from the client, such as the argument to the EHLO command,
+   which was not obtained from the TLS negotiation itself. The client
+   MUST discard any knowledge obtained from the server, such as the list
+   of SMTP service extensions, which was not obtained from the TLS
+   negotiation itself. The client SHOULD send an EHLO command as the
+   first command after a successful TLS negotiation.
+
+   The list of SMTP service extensions returned in response to an EHLO
+   command received after the TLS handshake MAY be different than the
+   list returned before the TLS handshake. For example, an SMTP server
+   might not want to advertise support for a particular SASL mechanism
+   [SASL] unless a client has sent an appropriate client certificate
+   during a TLS handshake.
+
+   Both the client and the server MUST know if there is a TLS session
+   active.  A client MUST NOT attempt to start a TLS session if a TLS
+   session is already active. A server MUST NOT return the TLS extension
+   in response to an EHLO command received after a TLS handshake has
+   completed.
+
+6. Usage Example
+
+   The following dialog illustrates how a client and server can start a
+   TLS session:
+
+   S: <waits for connection on TCP port 25>
+   C: <opens connection>
+   S: 220 mail.imc.org SMTP service ready
+   C: EHLO mail.ietf.org
+   S: 250-mail.imc.org offers a warm hug of welcome
+   S: 250 STARTTLS
+   C: STARTTLS
+   S: 220 Go ahead
+   C: <starts TLS negotiation>
+
+
+
+Hoffman                     Standards Track                     [Page 4]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+   C & S: <negotiate a TLS session>
+   C & S: <check result of negotiation>
+   C: <continues by sending an SMTP command>
+   . . .
+
+7. Security Considerations
+
+   It should be noted that SMTP is not an end-to-end mechanism. Thus, if
+   an SMTP client/server pair decide to add TLS privacy, they are not
+   securing the transport from the originating mail user agent to the
+   recipient.  Further, because delivery of a single piece of mail may
+   go between more than two SMTP servers, adding TLS privacy to one pair
+   of servers does not mean that the entire SMTP chain has been made
+   private. Further, just because an SMTP server can authenticate an
+   SMTP client, it does not mean that the mail from the SMTP client was
+   authenticated by the SMTP client when the client received it.
+
+   Both the STMP client and server must check the result of the TLS
+   negotiation to see whether acceptable authentication or privacy was
+   achieved. Ignoring this step completely invalidates using TLS for
+   security.  The decision about whether acceptable authentication or
+   privacy was achieved is made locally, is implementation-dependant,
+   and is beyond the scope of this document.
+
+   The SMTP client and server should note carefully the result of the
+   TLS negotiation. If the negotiation results in no privacy, or if it
+   results in privacy using algorithms or key lengths that are deemed
+   not strong enough, or if the authentication is not good enough for
+   either party, the client may choose to end the SMTP session with an
+   immediate QUIT command, or the server may choose to not accept any
+   more SMTP commands.
+
+   A server announcing in an EHLO response that it uses a particular TLS
+   protocol should not pose any security issues, since any use of TLS
+   will be at least as secure as no use of TLS.
+
+   A man-in-the-middle attack can be launched by deleting the "250
+   STARTTLS" response from the server. This would cause the client not
+   to try to start a TLS session. An SMTP client can protect against
+   this attack by recording the fact that a particular SMTP server
+   offers TLS during one session and generating an alarm if it does not
+   appear in the EHLO response for a later session. The lack of TLS
+   during a session SHOULD NOT result in the bouncing of email, although
+   it could result in delayed processing.
+
+
+
+
+
+
+
+Hoffman                     Standards Track                     [Page 5]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+   Before the TLS handshake has begun, any protocol interactions are
+   performed in the clear and may be modified by an active attacker. For
+   this reason, clients and servers MUST discard any knowledge obtained
+   prior to the start of the TLS handshake upon completion of the TLS
+   handshake.
+
+   The STARTTLS extension is not suitable for authenticating the author
+   of an email message unless every hop in the delivery chain, including
+   the submission to the first SMTP server, is authenticated. Another
+   proposal [SMTP-AUTH] can be used to authenticate delivery and MIME
+   security multiparts [MIME-SEC] can be used to authenticate the author
+   of an email message. In addition, the [SMTP-AUTH] proposal offers
+   simpler and more flexible options to authenticate an SMTP client and
+   the SASL EXTERNAL mechanism [SASL] MAY be used in conjunction with
+   the STARTTLS command to provide an authorization identity.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hoffman                     Standards Track                     [Page 6]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+A. References
+
+   [RFC-821]   Postel, J., "Simple Mail Transfer Protocol", RFC 821,
+               August 1982.
+
+   [RFC-1869]  Klensin, J., Freed, N, Rose, M, Stefferud, E. and D.
+               Crocker, "SMTP Service Extensions", STD 10, RFC 1869,
+               November 1995.
+
+   [RFC-2034]  Freed, N., "SMTP Service Extension for Returning Enhanced
+               Error Codes", RFC 2034, October 1996.
+
+   [RFC-2119]  Bradner, S., "Key words for use in RFCs to Indicate
+               Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [SASL]      Myers, J., "Simple Authentication and Security Layer
+               (SASL)", RFC 2222, October 1997.
+
+   [SMTP-AUTH] "SMTP Service Extension for Authentication", Work in
+               Progress.
+
+   [TLS]       Dierks, T. and C. Allen, "The TLS Protocol Version 1.0",
+               RFC 2246, January 1999.
+
+B. Author's Address
+
+   Paul Hoffman
+   Internet Mail Consortium
+   127 Segre Place
+   Santa Cruz, CA  95060
+
+   Phone: (831) 426-9827
+   EMail: phoffman@imc.org
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hoffman                     Standards Track                     [Page 7]
+
+RFC 2487                 SMTP Service Extension             January 1999
+
+
+C.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hoffman                     Standards Track                     [Page 8]
+
diff --git a/standards/rfc2565.txt b/standards/rfc2565.txt
new file mode 100644
index 000000000..56511d478
--- /dev/null
+++ b/standards/rfc2565.txt
@@ -0,0 +1,2075 @@
+
+
+
+
+
+
+Network Working Group                                    R. Herriot, Ed.
+Request for Comments: 2565                             Xerox Corporation
+Category: Experimental                                         S. Butler
+                                                         Hewlett-Packard
+                                                                P. Moore
+                                                               Microsoft
+                                                               R. Turner
+                                                              Sharp Labs
+                                                              April 1999
+
+
+         Internet Printing Protocol/1.0: Encoding and Transport
+
+Status of this Memo
+
+   This memo defines an Experimental Protocol for the Internet
+   community.  It does not specify an Internet standard of any kind.
+   Discussion and suggestions for improvement are requested.
+   Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+IESG Note
+
+   This document defines an Experimental protocol for the Internet
+   community.  The IESG expects that a revised version of this protocol
+   will be published as Proposed Standard protocol.  The Proposed
+   Standard, when published, is expected to change from the protocol
+   defined in this memo.  In particular, it is expected that the
+   standards-track version of the protocol will incorporate strong
+   authentication and privacy features, and that an "ipp:" URL type will
+   be defined which supports those security measures.  Other changes to
+   the protocol are also possible.  Implementors are warned that future
+   versions of this protocol may not interoperate with the version of
+   IPP defined in this document, or if they do interoperate, that some
+   protocol features may not be available.
+
+   The IESG encourages experimentation with this protocol, especially in
+   combination with Transport Layer Security (TLS) [RFC 2246], to help
+   determine how TLS may effectively be used as a security layer for
+   IPP.
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 1]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP). IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies. This document defines the
+   rules for encoding IPP operations and IPP attributes into a new
+   Internet mime media type called "application/ipp".  This document
+   also defines the rules for transporting over HTTP a message body
+   whose Content-Type is "application/ipp".
+
+   The full set of IPP documents includes:
+
+      Design Goals for an Internet Printing Protocol [RFC2567]
+      Rationale for the Structure and Model and Protocol for the
+      Internet Printing Protocol [RFC2568]
+      Internet Printing Protocol/1.0: Model and Semantics [RFC2566]
+      Internet Printing Protocol/1.0: Encoding and Transport (this
+      document)
+      Internet Printing Protocol/1.0: Implementer's Guide [ipp-iig]
+      Mapping between LPD and IPP Protocols [RFC2569]
+
+   The document, "Design Goals for an Internet Printing Protocol", takes
+   a broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet. It identifies
+   requirements for three types of users: end users, operators, and
+   administrators. It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0. Operator and administrator requirements are
+   out of scope for version 1.0.
+
+   The document, "Rationale for the Structure and Model and Protocol for
+   the Internet Printing Protocol", describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The document, "Internet Printing Protocol/1.0: Model and Semantics",
+   describes a simplified model with abstract objects, their attributes,
+   and their operations that are independent of encoding and transport.
+   It introduces a Printer and a Job object. The Job object optionally
+   supports multiple documents per Job. It also addresses security,
+   internationalization, and directory issues.
+
+   This document "Internet Printing Protocol/1.0: Implementer's Guide",
+   gives advice to implementers of IPP clients and IPP objects.
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 2]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   The document "Mapping between LPD and IPP Protocols" gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+Table of Contents
+
+   1. Introduction.....................................................4
+   2. Conformance Terminology..........................................4
+   3. Encoding of  the Operation Layer.................................4
+      3.1  Picture of the Encoding.....................................5
+      3.2  Syntax of Encoding..........................................7
+      3.3  Version-number..............................................9
+      3.4  Operation-id................................................9
+      3.5  Status-code.................................................9
+      3.6  Request-id..................................................9
+      3.7  Tags.......................................................10
+         3.7.1 Delimiter Tags.........................................10
+         3.7.2 Value Tags.............................................11
+      3.8  Name-Length................................................13
+      3.9  (Attribute) Name...........................................13
+      3.10 Value Length...............................................16
+      3.11 (Attribute) Value..........................................16
+      3.12 Data.......................................................18
+   4. Encoding of Transport Layer.....................................18
+   5. Security Considerations.........................................19
+      5.1  Using IPP with SSL3........................................19
+   6. References......................................................20
+   7. Authors' Addresses..............................................22
+   8. Other Participants:.............................................24
+   9. Appendix A: Protocol Examples...................................25
+      9.1  Print-Job Request..........................................25
+      9.2  Print-Job Response (successful)............................26
+      9.3  Print-Job Response (failure)...............................27
+      9.4  Print-Job Response (success with attributes ignored).......28
+      9.5  Print-URI Request..........................................30
+      9.6  Create-Job Request.........................................31
+      9.7  Get-Jobs Request...........................................31
+      9.8  Get-Jobs Response..........................................32
+   10. Appendix C: Registration of MIME Media Type Information for
+       "application/ipp"..............................................35
+   11. Full Copyright Statement.......................................37
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 3]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+1. Introduction
+
+   This document contains the rules for encoding IPP operations and
+   describes two layers: the transport layer and the operation layer.
+
+   The transport layer consists of an  HTTP/1.1 request or response. RFC
+   2068 [RFC2068] describes HTTP/1.1. This document specifies the HTTP
+   headers that an IPP implementation supports.
+
+   The operation layer consists of  a message body in an HTTP request or
+   response.  The document "Internet Printing Protocol/1.0: Model and
+   Semantics" [RFC2566] defines the semantics of such a message body and
+   the supported values. This document specifies the encoding of an IPP
+   operation. The aforementioned document [RFC2566] is henceforth
+   referred to as the "IPP model document"
+
+2. Conformance Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHOULD", "SHOULD NOT",
+   "RECOMMENDED", "MAY", and  "OPTIONAL" in this document are to be
+   interpreted as described in RFC 2119 [RFC2119].
+
+3. Encoding of  the Operation Layer
+
+   The operation layer MUST contain a single operation request or
+   operation response.  Each request or response consists of a sequence
+   of values and attribute groups. Attribute groups consist of a
+   sequence of attributes each of which is a name and value.  Names and
+   values are ultimately sequences of octets
+
+   The encoding consists of octets as the most primitive type. There are
+   several types built from octets, but three important types are
+   integers, character strings and octet strings, on which most other
+   data types are built. Every character string in this encoding MUST be
+   a sequence of characters where the characters are associated with
+   some charset and some natural language. A character string MUST be in
+   "reading order" with the first character in the value (according to
+   reading order) being the first character in the encoding. A character
+   string whose associated charset is US-ASCII whose associated natural
+   language is US English is henceforth called a US-ASCII-STRING. A
+   character string whose associated charset and natural language are
+   specified in a request or response as described in the model document
+   is henceforth called a LOCALIZED-STRING. An octet string MUST be in
+   "IPP model document order" with the first octet in the value
+   (according to the IPP model document order) being the first octet in
+   the encoding Every integer in this encoding MUST be encoded as a
+   signed integer using two's-complement binary encoding with big-endian
+   format (also known as "network order" and "most significant byte
+
+
+
+Herriot, et al.               Experimental                      [Page 4]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   first"). The number of octets for an integer MUST be 1, 2 or 4,
+   depending on usage in the protocol.  Such one-octet integers,
+   henceforth called SIGNED-BYTE, are used for the version-number and
+   tag fields. Such two-byte integers, henceforth called SIGNED-SHORT
+   are used for the operation-id, status-code and length fields. Four
+   byte integers, henceforth called SIGNED-INTEGER, are used for values
+   fields and the sequence number.
+
+   The following two sections present the operation layer in two ways
+
+      - informally through pictures and description
+      - formally through Augmented Backus-Naur Form (ABNF), as specified
+        by RFC 2234 [RFC2234]
+
+3.1 Picture of the Encoding
+
+   The encoding for an operation request or response consists of:
+
+  -----------------------------------------------
+  |                  version-number             |   2 bytes  - required
+  -----------------------------------------------
+  |               operation-id (request)        |
+  |                      or                     |   2 bytes  - required
+  |               status-code (response)        |
+  -----------------------------------------------
+  |                   request-id                |   4 bytes  - required
+  -----------------------------------------------------------
+  |               xxx-attributes-tag            |   1 byte  |
+  -----------------------------------------------           |-0 or more
+  |             xxx-attribute-sequence          |   n bytes |
+  -----------------------------------------------------------
+  |              end-of-attributes-tag          |   1 byte   - required
+  -----------------------------------------------
+  |                     data                    |   q bytes  - optional
+  -----------------------------------------------
+
+   The xxx-attributes-tag and xxx-attribute-sequence represents four
+   different values of "xxx", namely, operation, job, printer and
+   unsupported. The xxx-attributes-tag and an xxx-attribute-sequence
+   represent attribute groups in the model document. The xxx-
+   attributes-tag identifies the attribute group and the xxx-attribute-
+   sequence contains the attributes.
+
+   The expected sequence of  xxx-attributes-tag and xxx-attribute-
+   sequence is specified in the IPP model document for each operation
+   request and operation response.
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 5]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   A request or response SHOULD contain each xxx-attributes-tag defined
+   for that request or response even if there are no attributes except
+   for the unsupported-attributes-tag which SHOULD be present only if
+   the unsupported-attribute-sequence is non-empty. A receiver of a
+   request MUST be able to process as equivalent empty attribute groups:
+
+     a) an xxx-attributes-tag with an empty xxx-attribute-sequence,
+     b) an expected but missing xxx-attributes-tag.
+
+   The data is omitted from some operations, but the end-of-attributes-
+   tag is present even when the data is omitted. Note, the xxx-
+   attributes-tags and end-of-attributes-tag are called 'delimiter-
+   tags'. Note: the xxx-attribute-sequence, shown above may consist of 0
+   bytes, according to the rule below.
+
+   An xxx-attributes-sequence consists of zero or more compound-
+   attributes.
+
+  -----------------------------------------------
+  |              compound-attribute             |   s bytes - 0 or more
+  -----------------------------------------------
+
+   A compound-attribute consists of an attribute with a single value
+   followed by zero or more additional values.
+
+   Note: a 'compound-attribute' represents a single attribute in the
+   model document.  The 'additional value' syntax is for attributes with
+   2 or more values.
+
+   Each attribute consists of:
+
+  -----------------------------------------------
+  |                   value-tag                 |   1 byte
+  -----------------------------------------------
+  |               name-length  (value is u)     |   2 bytes
+  -----------------------------------------------
+  |                     name                    |   u bytes
+  -----------------------------------------------
+  |              value-length  (value is v)     |   2 bytes
+  -----------------------------------------------
+  |                     value                   |   v bytes
+  -----------------------------------------------
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 6]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   An additional value consists of:
+
+  -----------------------------------------------------------
+  |                   value-tag                 |   1 byte  |
+  -----------------------------------------------           |
+  |            name-length  (value is 0x0000)   |   2 bytes |
+  -----------------------------------------------           |-0 or more
+  |              value-length (value is w)      |   2 bytes |
+  -----------------------------------------------           |
+  |                     value                   |   w bytes |
+  -----------------------------------------------------------
+
+   Note: an additional value is like an attribute whose name-length is 0.
+
+   From the standpoint of a parsing loop, the encoding consists of:
+
+  -----------------------------------------------
+  |                  version-number             |   2 bytes  - required
+  -----------------------------------------------
+  |               operation-id (request)        |
+  |                      or                     |   2 bytes  - required
+  |               status-code (response)        |
+  -----------------------------------------------
+  |                   request-id                |   4 bytes  - required
+  -----------------------------------------------------------
+  |        tag (delimiter-tag or value-tag)     |   1 byte  |
+  -----------------------------------------------           |-0 or more
+  |           empty or rest of attribute        |   x bytes |
+  -----------------------------------------------------------
+  |              end-of-attributes-tag          |   2 bytes  - required
+  -----------------------------------------------
+  |                     data                    |   y bytes  - optional
+  -----------------------------------------------
+
+   The value of the tag determines whether the bytes following the
+   tag are:
+
+      - attributes
+      - data
+      - the remainder of a single attribute where the tag specifies the
+        type of the value.
+
+3.2 Syntax of Encoding
+
+   The syntax below is ABNF [RFC2234] except 'strings of literals' MUST
+   be case sensitive. For example 'a' means lower case  'a' and not
+   upper case 'A'.   In addition, SIGNED-BYTE and SIGNED-SHORT fields
+   are represented as '%x' values which show their range of values.
+
+
+
+Herriot, et al.               Experimental                      [Page 7]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+  ipp-message = ipp-request / ipp-response
+  ipp-request = version-number operation-id request-id
+           *(xxx-attributes-tag  xxx-attribute-sequence)
+           end-of-attributes-tag data
+  ipp-response = version-number status-code request-id
+           *(xxx-attributes-tag xxx-attribute-sequence)
+           end-of-attributes-tag data
+  xxx-attribute-sequence = *compound-attribute
+
+  xxx-attributes-tag = operation-attributes-tag / job-attributes-tag /
+        printer-attributes-tag / unsupported-attributes-tag
+
+  version-number = major-version-number minor-version-number
+  major-version-number = SIGNED-BYTE  ; initially %d1
+  minor-version-number = SIGNED-BYTE  ; initially %d0
+
+  operation-id = SIGNED-SHORT    ; mapping from model defined below
+  status-code = SIGNED-SHORT  ; mapping from model defined below
+  request-id = SIGNED-INTEGER ; whose value is > 0
+
+  compound-attribute = attribute *additional-values
+  attribute = value-tag name-length name value-length value
+  additional-values = value-tag zero-name-length value-length value
+
+  name-length = SIGNED-SHORT    ; number of octets of 'name'
+  name = LALPHA *( LALPHA / DIGIT / "-" / "_" / "." )
+  value-length = SIGNED-SHORT  ; number of octets of 'value'
+  value = OCTET-STRING
+
+  data = OCTET-STRING
+
+  zero-name-length = %x00.00           ; name-length of 0
+  operation-attributes-tag =  %x01             ; tag of 1
+  job-attributes-tag   =  %x02                 ; tag of 2
+  printer-attributes-tag =  %x04               ; tag of 4
+  unsupported-attributes-tag =  %x05          ; tag of 5
+  end-of-attributes-tag = %x03                 ; tag of 3
+  value-tag = %x10-FF
+
+  SIGNED-BYTE = BYTE
+  SIGNED-SHORT = 2BYTE
+  SIGNED-INTEGER = 4BYTE
+  DIGIT = %x30-39    ;  "0" to "9"
+  LALPHA = %x61-7A   ;  "a" to "z"
+  BYTE = %x00-FF
+  OCTET-STRING = *BYTE
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 8]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   The syntax allows an xxx-attributes-tag to be present when the xxx-
+   attribute-sequence that follows is empty. The syntax is defined this
+   way to allow for the response of Get-Jobs where no attributes are
+   returned for some job-objects.  Although it is RECOMMENDED that the
+   sender not send an xxx-attributes-tag if there are no attributes
+   (except in the Get-Jobs response just mentioned), the receiver MUST
+   be able to decode such syntax.
+
+3.3 Version-number
+
+   The version-number MUST consist of a major and minor version-number,
+   each of which MUST be represented by a SIGNED-BYTE. The protocol
+   described in this document MUST have a major version-number of 1
+   (0x01) and a minor version-number of  0 (0x00).  The ABNF for these
+   two bytes MUST be %x01.00.
+
+3.4 Operation-id
+
+   Operation-ids are defined as enums in the model document. An
+   operation-ids enum value MUST be encoded as a SIGNED-SHORT.
+
+   Note: the values 0x4000 to 0xFFFF are reserved for private
+   extensions.
+
+3.5 Status-code
+
+   Status-codes are defined as enums in the model document. A status-
+   code enum value MUST be encoded as a SIGNED-SHORT.
+
+   The status-code is an operation attribute in the model document. In
+   the protocol, the status-code is in a special position, outside of
+   the operation attributes.
+
+   If an IPP status-code is returned, then the HTTP Status-Code MUST be
+   200 (successful-ok).  With any other HTTP Status-Code value, the HTTP
+   response MUST NOT contain an IPP message-body, and thus no IPP
+   status-code is returned.
+
+3.6 Request-id
+
+   The request-id allows a client to match a response with a request.
+   This mechanism is unnecessary in HTTP, but may be useful when
+   application/ipp entity bodies are used in another context.
+
+   The request-id in a response MUST be the value of the request-id
+   received in the corresponding request.  A client can set the
+   request-id in each request to a unique value or a constant value,
+   such as 1, depending on what the client does with the request-id
+
+
+
+Herriot, et al.               Experimental                      [Page 9]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   returned in the response. The value of the request-id MUST be greater
+   than zero.
+
+3.7 Tags
+
+   There are two kinds of tags:
+
+      - delimiter tags: delimit major sections of the protocol, namely
+        attributes and data
+      - value tags: specify the type of each attribute value
+
+3.7.1 Delimiter Tags
+
+   The following table specifies the values for the delimiter tags:
+
+      Tag Value (Hex)   Delimiter
+
+      0x00              reserved
+      0x01              operation-attributes-tag
+      0x02              job-attributes-tag
+      0x03              end-of-attributes-tag
+      0x04              printer-attributes-tag
+      0x05              unsupported-attributes-tag
+      0x06-0x0e         reserved for future delimiters
+      0x0F              reserved for future chunking-end-of-attributes-
+                         tag
+
+   When an xxx-attributes-tag occurs in the protocol, it MUST mean that
+   zero or more following attributes up to the next delimiter tag are
+   attributes belonging to group xxx as defined in the model document,
+   where xxx is operation, job, printer, unsupported.
+
+   Doing substitution for xxx in the above paragraph, this means the
+   following. When an operation-attributes-tag occurs in the protocol,
+   it MUST mean that the zero or more following attributes up to the
+   next delimiter tag are operation attributes as defined in the model
+   document.  When an job-attributes-tag occurs in the protocol, it MUST
+   mean that the zero or more following attributes up to the next
+   delimiter tag are job attributes or job template attributes as
+   defined in the model document.  When a printer-attributes-tag occurs
+   in the protocol, it MUST mean that the zero or more following
+   attributes up to the next delimiter tag are printer attributes as
+   defined in the model document. When an unsupported-attributes-tag
+   occurs in the protocol, it MUST mean that the zero or more following
+   attributes up to the next delimiter tag are unsupported attributes as
+   defined in the model document.
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 10]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   The operation-attributes-tag and end-of-attributes-tag MUST each
+   occur exactly once in an operation. The operation-attributes-tag MUST
+   be the first tag delimiter, and the end-of-attributes-tag MUST be the
+   last tag delimiter. If the operation has a document-content group,
+   the document data in that group MUST follow the end-of-attributes-
+   tag.
+
+   Each of the  other three  xxx-attributes-tags defined above is
+   OPTIONAL in an operation and each MUST occur at most once in an
+   operation, except for job-attributes-tag in a Get-Jobs response which
+   may occur zero or more times.
+
+   The order and presence of delimiter tags for each operation request
+   and each operation response MUST be that defined in the model
+   document. For further details, see section 3.9 "(Attribute) Name" and
+   section 9 "Appendix A: Protocol Examples".
+
+   A Printer MUST treat the reserved delimiter tags differently from
+   reserved value tags so that the Printer knows that there is an entire
+   attribute group that it doesn't understand as opposed to a single
+   value that it doesn't understand.
+
+3.7.2 Value Tags
+
+   The remaining tables show values for the value-tag, which is the
+   first octet of  an attribute. The value-tag specifies the type of the
+   value of the attribute. The following table specifies the "out-of-
+   band" values for the value-tag.
+
+      Tag Value (Hex) Meaning
+
+      0x10            unsupported
+      0x11            reserved for future 'default'
+      0x12            unknown
+      0x13            no-value
+
+      Tag Value (Hex) Meaning
+
+      0x14-0x1F       reserved for future "out-of-band" values.
+
+   The "unsupported" value MUST be used in the attribute-sequence of an
+   error response for those attributes which the printer does not
+   support.  The "default" value is reserved for future use of setting
+   value back to their default value. The "unknown" value is used for
+   the value of a supported attribute when its value is temporarily
+   unknown.  The "no-value" value is used for a supported attribute to
+   which
+
+
+
+
+Herriot, et al.               Experimental                     [Page 11]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   no value has been assigned, e.g. "job-k-octets-supported" has no
+   value if an implementation supports this attribute, but an
+   administrator has not configured the printer to have a limit.
+
+   The following table specifies the integer values for the value-tag:
+
+      Tag Value (Hex)  Meaning
+
+      0x20             reserved
+      0x21             integer
+      0x22             boolean
+      0x23             enum
+      0x24-0x2F        reserved for future integer types
+
+   NOTE: 0x20 is reserved for "generic integer" if it should ever be
+   needed.
+
+   The following table specifies the octetString values for the value-
+   tag:
+
+      Tag Value (Hex)  Meaning
+
+      0x30             octetString with an  unspecified format
+      0x31             dateTime
+      0x32             resolution
+      0x33             rangeOfInteger
+      0x34             reserved for collection (in the future)
+      0x35             textWithLanguage
+      0x36             nameWithLanguage
+      0x37-0x3F        reserved for future octetString types
+
+   The following table specifies the character-string values for the
+   value-tag:
+
+      Tag Value (Hex)  Meaning
+
+      0x40             reserved
+      0x41             textWithoutLanguage
+      0x42             nameWithoutLanguage
+      0x43             reserved
+      0x44             keyword
+      0x45             uri
+      0x46             uriScheme
+      0x47             charset
+      0x48             naturalLanguage
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 12]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+      Tag Value (Hex)  Meaning
+
+      0x49             mimeMediaType
+      0x4A-0x5F        reserved for future character string types
+
+   NOTE: 0x40 is reserved for "generic character-string" if it should
+   ever be needed.
+
+   NOTE:  an attribute value always has a type, which is explicitly
+   specified by its tag; one such tag value is "nameWithoutLanguage".
+   An attribute's name has an implicit type, which is keyword.
+
+   The values 0x60-0xFF are reserved for future types. There are no
+   values allocated for private extensions. A new type MUST be
+   registered via the type 2 registration process [RFC2566].
+
+   The tag 0x7F is reserved for extending types beyond the 255 values
+   available with a single byte. A tag value of 0x7F MUST signify that
+   the first 4 bytes of the value field are interpreted as the tag
+   value.  Note, this future extension doesn't affect parsers that  are
+   unaware of this special tag. The tag is like any other unknown tag,
+   and the value length specifies the length of a value which contains a
+   value that the parser treats atomically.  All these 4 byte tag values
+   are currently unallocated except that the values 0x40000000-
+   0x7FFFFFFF are reserved for experimental use.
+
+3.8 Name-Length
+
+   The name-length field MUST consist of a SIGNED-SHORT. This field MUST
+   specify the number of octets in the name field which follows the
+   name-length field, excluding the two bytes of the name-length field.
+
+   If a name-length field has a value of zero, the following name field
+   MUST be empty, and the following value MUST be treated as an
+   additional value for the preceding attribute. Within an attribute-
+   sequence, if two attributes have the same name, the first occurrence
+   MUST be ignored. The zero-length name is the only mechanism for
+   multi-valued attributes.
+
+3.9 (Attribute) Name
+
+   Some operation elements are called parameters in the model document
+   [RFC2566]. They MUST be encoded in a special position and they MUST
+   NOT appear as an operation attributes.  These parameters are:
+
+      - "version-number": The parameter  named "version-number" in the
+        IPP model document MUST become the "version-number" field in the
+        operation layer request or response.
+
+
+
+Herriot, et al.               Experimental                     [Page 13]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+      - "operation-id": The parameter named "operation-id" in the IPP
+        model document MUST become the "operation-id" field in the
+        operation layer request.
+      - "status-code": The parameter named "status-code" in the IPP
+        model document MUST become the "status-code" field in the
+        operation layer response.
+      - "request-id": The parameter named "request-id" in the IPP model
+        document MUST become the "request-id" field in the operation
+        layer request or response.
+
+   All Printer and Job objects are identified by a Uniform Resource
+   Identifier (URI) [RFC2396] so that they can be persistently and
+   unambiguously referenced.  The notion of a URI is a useful concept,
+   however, until the notion of URI is more stable (i.e.,  defined more
+   completely and deployed more widely), it is expected that the URIs
+   used for IPP objects will actually be URLs [RFC1738]  [RFC1808].
+   Since every URL is a specialized form of a URI, even though the more
+   generic term URI is used throughout the rest of this document, its
+   usage is intended to cover the more specific notion of URL as well.
+
+   Some operation elements are encoded twice, once as the request-URI on
+   the HTTP Request-Line and a second time as a REQUIRED operation
+   attribute in the application/ipp entity.  These attributes are the
+   target URI for the operation:
+
+      - "printer-uri": When the target is a printer and the transport is
+        HTTP or HTTPS (for SSL3 [ssl]), the target printer-uri defined
+        in each operation in the IPP model document MUST be an operation
+        attribute called "printer-uri" and it MUST also be specified
+        outside of  the operation layer as the request-URI on the
+        Request-Line at the HTTP level.
+      - "job-uri": When the target is a job and the transport is HTTP or
+        HTTPS (for SSL3), the target job-uri of each operation in the
+        IPP model document MUST be an operation attribute called "job-
+        uri" and it MUST also be specified outside of  the operation
+        layer as the request-URI on the Request-Line at the HTTP level.
+
+   Note: The target URI is included twice in an operation referencing
+   the same IPP object, but the two URIs NEED NOT be literally
+   identical. One can be a relative URI and the other can be an absolute
+   URI.  HTTP/1.1 allows clients to generate and send a relative URI
+   rather than an absolute URI.  A relative URI identifies a resource
+   with the scope of the HTTP server, but does not include scheme, host
+   or port.  The following statements characterize how URLs should be
+   used in the mapping of IPP onto HTTP/1.1:
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 14]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+      1. Although potentially redundant, a client MUST supply the target
+         of the operation both as an operation attribute and as a URI at
+         the HTTP layer.  The rationale for this decision is to maintain
+         a consistent set of rules for mapping application/ipp to
+         possibly many communication layers, even where URLs are not
+         used as the addressing mechanism in the transport layer.
+      2. Even though these two URLs might not be literally identical
+         (one being relative and the other being absolute), they MUST
+         both reference the same IPP object.
+      3. The URI in the HTTP layer is either relative or absolute and is
+         used by the HTTP server to route the HTTP request to the
+         correct resource relative to that HTTP server.  The HTTP server
+         need not be aware of the URI within the operation request.
+      4. Once the HTTP server resource begins to process the HTTP
+         request, it might get the reference to the appropriate IPP
+         Printer object from either the HTTP URI (using to the context
+         of the HTTP server for relative URLs) or from the URI within
+         the operation request; the choice is up to the implementation.
+      5. HTTP URIs can be relative or absolute, but the target URI in
+         the operation MUST be an absolute URI.
+
+   The model document arranges the remaining attributes into groups for
+   each operation request and response. Each such group MUST be
+   represented in the protocol by an xxx-attribute-sequence preceded by
+   the appropriate xxx-attributes-tag (See the table below and section 9
+   "Appendix A:  Protocol Examples"). In addition, the order of these
+   xxx-attributes-tags and xxx-attribute-sequences in the protocol MUST
+   be the same as in the model document, but the order of attributes
+   within each xxx-attribute-sequence MUST be unspecified. The table
+   below maps the model document group name to xxx-attributes-sequence:
+
+   Model Document Group           xxx-attributes-sequence
+
+   Operation Attributes           operations-attributes-sequence
+   Job Template Attributes        job-attributes-sequence
+   Job Object Attributes          job-attributes-sequence
+   Unsupported Attributes         unsupported-attributes-sequence
+   Requested Attributes           job-attributes-sequence
+   Get-Job-Attributes)
+   Requested Attributes           printer-attributes-sequence
+   Get-Printer-Attributes)
+   Document Content               in a special position as described
+                                  above
+
+   If an operation contains attributes from more than one job object
+   (e.g.  Get-Jobs response), the attributes from each job object MUST
+   be in a separate job-attribute-sequence, such that the attributes
+
+
+
+
+Herriot, et al.               Experimental                     [Page 15]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   from the ith job object are in the ith job-attribute-sequence. See
+   Section 9 "Appendix A: Protocol Examples" for table showing the
+   application of the rules above.
+
+3.10 Value Length
+
+   Each attribute value MUST be preceded by a SIGNED-SHORT, which MUST
+   specify the number of octets in the value which follows this length,
+   exclusive of the two bytes specifying the length.
+
+   For any of the types represented by binary signed integers, the
+   sender MUST encode the value in exactly four octets.
+
+   For any of the types represented by character-strings, the sender
+   MUST encode the value with all the characters of the string and
+   without any padding characters.
+
+   If a value-tag contains an "out-of-band" value, such as
+   "unsupported", the value-length MUST be 0 and the value empty. The
+   value has no meaning when the value-tag has an "out-of-band" value.
+   If a client receives a response with a nonzero value-length in this
+   case, it MUST ignore the value field. If a printer receives a request
+   with a nonzero value-length in this case, it MUST reject the request.
+
+3.11 (Attribute) Value
+
+   The syntax types and most of the details of their representation are
+   defined in the IPP model document. The table below augments the
+   information in the model document, and defines the syntax types from
+   the model document in terms of the 5 basic types defined in section 3
+   "Encoding of the Operation Layer". The 5 types are US-ASCII-STRING,
+   LOCALIZED-STRING, SIGNED-INTEGER, SIGNED-SHORT, SIGNED-BYTE, and
+   OCTET-STRING.
+
+Syntax of Attribute  Encoding
+Value
+
+textWithoutLanguage, LOCALIZED-STRING.
+nameWithoutLanguage
+
+textWithLanguage     OCTET_STRING consisting of 4 fields:
+                       a) a SIGNED-SHORT which is the number of octets
+                          in the following field
+                       b) a value of type natural-language,
+                       c) a SIGNED-SHORT which is the number of octets
+                          in the following field,
+                       d) a value of type textWithoutLanguage.
+
+
+
+
+Herriot, et al.               Experimental                     [Page 16]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+                      The length of a textWithLanguage value MUST be 4
+                      + the value of field a + the value of field c.
+
+nameWithLanguage     OCTET_STRING consisting of 4 fields:
+                       a) a SIGNED-SHORT which is the number of octets
+                          in the following field
+                       b) a value of type natural-language,
+                       c) a SIGNED-SHORT which is the number of octets
+                          in the following field
+                       d) a value of type nameWithoutLanguage.
+
+                      The length of a nameWithLanguage value MUST be 4
+                      + the value of field a + the value of field c.
+
+charset,             US-ASCII-STRING.
+naturalLanguage,
+mimeMediaType,
+keyword, uri, and
+uriScheme
+
+boolean              SIGNED-BYTE  where 0x00 is 'false' and 0x01 is
+                      'true'.
+
+Syntax of Attribute  Encoding
+Value
+
+
+integer and enum     a SIGNED-INTEGER.
+
+dateTime             OCTET-STRING consisting of eleven octets whose
+                      contents are defined by "DateAndTime" in RFC
+                      2579 [RFC2579].
+
+resolution           OCTET_STRING consisting of nine octets of  2
+                      SIGNED-INTEGERs followed by a SIGNED-BYTE. The
+                      first SIGNED-INTEGER contains the value of cross
+                      feed direction resolution. The second SIGNED-
+                      INTEGER contains the value of feed direction
+                      resolution. The SIGNED-BYTE contains the units
+                      value.
+
+rangeOfInteger       Eight octets consisting of 2 SIGNED-INTEGERs.
+                      The first SIGNED-INTEGER contains the lower
+                      bound and the second SIGNED-INTEGER contains the
+                      upper  bound.
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 17]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+1setOf  X            Encoding according to the rules for an attribute
+                      with more than 1 value.  Each value X is encoded
+                      according to the rules for encoding its type.
+
+octetString          OCTET-STRING
+
+   The type of the value in the model document determines the encoding
+   in the value and the value of the value-tag.
+
+3.12 Data
+
+   The data part MUST include any data required by the operation
+
+4. Encoding of Transport Layer
+
+   HTTP/1.1 [RFC2068] is the transport layer for this protocol.
+
+   The operation layer has been designed with the assumption that the
+   transport layer contains the following information:
+
+      - the URI of the target job or printer operation
+      - the total length of the data in the operation layer, either as a
+        single length or as a sequence of chunks each with a length.
+
+   It is REQUIRED that a printer implementation support HTTP over the
+   IANA assigned Well Known Port 631 (the IPP default port), though a
+   printer implementation may support HTTP over some other port as well.
+   In addition, a printer may have to support another port for privacy
+   (See Section 5 "Security Considerations").
+
+   Note: even though port 631 is the IPP default, port 80 remains the
+   default for an HTTP URI.  Thus a URI for a printer using port 631
+   MUST contain an explicit port, e.g. "http://forest:631/pinetree".  An
+   HTTP URI for IPP with no explicit port implicitly reference port 80,
+   which is consistent with the rules for HTTP/1.1. Each HTTP operation
+   MUST use the POST method where the request-URI is the object target
+   of the operation, and where the "Content-Type" of the message-body in
+   each request and response MUST be "application/ipp". The message-body
+   MUST contain the operation layer and MUST have the syntax described
+   in section 3.2 "Syntax of Encoding". A client implementation MUST
+   adhere to the rules for a client described for HTTP1.1 [RFC2068]. A
+   printer (server) implementation MUST adhere the rules for an origin
+   server described for HTTP1.1 [RFC2068].
+
+   An IPP server sends a response for each request that it receives.  If
+   an IPP server detects an error, it MAY send a response before it has
+   read the entire request.  If the HTTP layer of the IPP server
+   completes processing the HTTP headers successfully, it MAY send an
+
+
+
+Herriot, et al.               Experimental                     [Page 18]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   intermediate response, such as "100 Continue", with no IPP data
+   before sending the IPP response.  A client MUST expect such a variety
+   of responses from an IPP server. For further information on HTTP/1.1,
+   consult the HTTP documents [RFC2068].
+
+5. Security Considerations
+
+   The IPP Model document defines an IPP implementation with "privacy"
+   as one that implements Secure Socket Layer Version 3 (SSL3).  Note:
+   SSL3 is not an IETF standards track specification. SSL3 meets the
+   requirements for IPP security with regards to features such as mutual
+   authentication and privacy (via encryption). The IPP Model document
+   also outlines IPP-specific security considerations and should be the
+   primary reference for security implications with regards to the IPP
+   protocol itself.
+
+   The IPP Model document defines an IPP implementation with
+   "authentication" as one that implements the standard way for
+   transporting IPP messages within HTTP 1.1. These include the security
+   considerations outlined in the HTTP 1.1 standard document [RFC2068]
+   and Digest Access Authentication extension [RFC2069].
+
+   The current HTTP infrastructure supports HTTP over TCP port 80. IPP
+   server implementations MUST offer IPP services using HTTP over the
+   IANA assigned Well Known Port 631 (the IPP default port). IPP server
+   implementations may support other ports, in addition to this port.
+
+   See further discussion of IPP security concepts in the model document
+   [RFC2566].
+
+5.1 Using IPP with SSL3
+
+   An assumption is that the URI for a secure IPP Printer object has
+   been found by means outside the IPP printing protocol, via a
+   directory service, web site or other means.
+
+   IPP provides a transparent connection to SSL by calling the
+   corresponding URL (a https URI connects by default to port 443).
+   However, the following functions can be provided to ease the
+   integration of IPP with SSL during implementation:
+
+      connect (URI), returns a status
+
+         "connect" makes an https call and returns the immediate status
+         of the connection as returned by SSL to the user. The status
+         values are explained in section 5.4.2 of the SSL document
+         [ssl].
+
+
+
+
+Herriot, et al.               Experimental                     [Page 19]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+         A session-id may also be retained to later resume a session.
+         The SSL handshake protocol may also require the cipher
+         specifications supported by the client, key length of the
+         ciphers, compression methods, certificates, etc. These should
+         be sent to the server and hence should be available to the IPP
+         client (although as part of administration features).
+
+      disconnect (session)
+
+         to disconnect a particular session.
+
+         The session-id available from the "connect" could be used.
+
+      resume (session)
+
+         to reconnect using a previous session-id.
+
+   The availability of this information as administration features are
+   left for implementers, and need not be specified at this time.
+
+6. References
+
+   [RFC2278] Freed, N. and J. Postel, "IANA Charset Registration
+             Procedures", BCP 19, RFC 2278, January 1998.
+
+   [dpa]     ISO/IEC 10175 Document Printing Application (DPA), June
+             1996.
+
+   [iana]    IANA Registry of Coded Character Sets:
+             ftp://ftp.isi.edu/in-notes/iana/assignments/character-sets.
+
+   [ipp-iig] Hastings, Tom, et al., "Internet Printing Protocol/1.0:
+             Implementer's Guide", Work in Progress.
+
+   [RFC2569] Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+             "Mapping between LPD and IPP Protocols", RFC 2569, April
+             1999.
+
+   [RFC2566] deBry, R., Hastings, T., Herriot, R., Isaacson, S. and P.
+             Powell, "Internet Printing Protocol/1.0: Model and
+             Semantics", RFC 2566, April 1999.
+
+   [RFC2565] Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet
+             Printing Protocol/1.0: Encoding and Transport", RFC 2565,
+             April 1999.
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 20]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   [RFC2568] Zilles, S., "Rationale for the Structure and Model and
+             Protocol for the Internet Printing Protocol", RFC 2568,
+             April 1999.
+
+   [RFC2567] Wright, D., "Design Goals for an Internet Printing
+             Protocol", RFC 2567, April 1999.
+
+   [RFC822]  Crocker, D., "Standard for the Format of ARPA Internet Text
+             Messages", STD 11, RFC 822, August 1982.
+
+   [RFC1123] Braden, R., "Requirements for Internet Hosts - Application
+             and Support", STD 3, RFC 1123, October 1989.
+
+   [RFC1179] McLaughlin, L. III, (editor), "Line Printer Daemon
+             Protocol" RFC 1179, August 1990.
+
+   [RFC2223] Postel, J. and J. Reynolds, "Instructions to RFC Authors",
+             RFC 2223, October 1997.
+
+   [RFC1738] Berners-Lee, T., Masinter, L. and M. McCahill, "Uniform
+             Resource Locators (URL)", RFC 1738, December 1994.
+
+   [RFC1759] Smith, R., Wright, F., Hastings, T., Zilles, S. and J.
+             Gyllenskog, "Printer MIB", RFC 1759, March 1995.
+
+   [RFC1766] Alvestrand, H., " Tags for the Identification of
+             Languages", RFC 1766, March 1995.
+
+   [RFC1808] Fielding, R., "Relative Uniform Resource Locators", RFC
+             1808, June 1995.
+
+   [RFC2579] McCloghrie, K., Perkins, D. and J. Schoenwaelder, "Textual
+             Conventions for SMIv2", STD 58, RFC 2579, April 1999.
+
+   [RFC2046] Freed, N. and N. Borenstein, Multipurpose Internet Mail
+             Extensions (MIME) Part Two: Media Types", RFC 2046,
+             November 1996.
+
+   [RFC2048] Freed, N., Klensin J. and J. Postel.  Multipurpose Internet
+             Mail Extension (MIME) Part Four: Registration Procedures",
+             BCP 13, RFC 2048, November 1996.
+
+   [RFC2068] Fielding, R., Gettys, J., Mogul, J., Frystyk, H. and T.
+             Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", RFC
+             2068, January 1997.
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 21]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   [RFC2069] Franks, J., Hallam-Baker, P., Hostetler, J., Leach, P.,
+             Luotonen, A., Sink, E. and L. Stewart, "An Extension to
+             HTTP: Digest Access Authentication", RFC 2069, January
+             1997.
+
+   [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
+             Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2184] Freed, N. and K. Moore, "MIME Parameter Value and Encoded
+             Word Extensions: Character Sets, Languages, and
+             Continuations", RFC 2184, August 1997.
+
+   [RFC2234] Crocker, D. and P. Overell, "Augmented BNF for Syntax
+             Specifications: ABNF", RFC 2234. November 1997.
+
+   [RFC2396] Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform
+             Resource Identifiers (URI): Generic Syntax", RFC 2396,
+             August 1998.
+
+7. Authors' Addresses
+
+   Robert Herriot (Editor)
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   EMail: rherriot@pahv.xerox.com
+
+
+   Sylvan Butler
+   Hewlett-Packard
+   11311 Chinden Blvd.
+   Boise, ID 83714
+
+   Phone: 208-396-6000
+   Fax: 208-396-3457
+   EMail: sbutler@boi.hp.com
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 22]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   Paul Moore
+   Microsoft
+   One Microsoft Way
+   Redmond, WA 98053
+
+   Phone: 425-936-0908
+   Fax: 425-93MS-FAX
+   EMail: paulmo@microsoft.com
+
+
+   Randy Turner
+   Sharp Laboratories
+   5750 NW Pacific Rim Blvd
+   Camas, WA 98607
+
+   Phone: 360-817-8456
+   Fax: 360-817-8436
+   EMail: rturner@sharplabs.com
+
+
+   IPP Mailing List:  ipp@pwg.org
+   IPP Mailing List Subscription:  ipp-request@pwg.org
+   IPP Web Page:  http://www.pwg.org/ipp/
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 23]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+8. Other Participants:
+
+   Chuck Adams - Tektronix          Harry Lewis - IBM
+   Ron Bergman - Dataproducts       Tony Liao - Vivid Image
+   Keith Carter - IBM               David Manchala - Xerox
+   Angelo Caruso - Xerox            Carl-Uno Manros - Xerox
+   Jeff Copeland - QMS              Jay Martin - Underscore
+   Roger deBry - IBM                Larry Masinter - Xerox
+   Lee Farrell - Canon              Ira McDonald - High North Inc.
+   Sue Gleeson - Digital            Bob Pentecost - Hewlett-Packard
+   Charles Gordon - Osicom          Patrick Powell - Astart
+                                    Technologies
+   Brian Grimshaw - Apple           Jeff Rackowitz - Intermec
+   Jerry Hadsell - IBM              Xavier Riley - Xerox
+   Richard Hart - Digital           Gary Roberts - Ricoh
+   Tom Hastings - Xerox             Stuart Rowley - Kyocera
+   Stephen Holmstead                Richard Schneider - Epson
+   Zhi-Hong Huang - Zenographics    Shigern Ueda - Canon
+   Scott Isaacson - Novell          Bob Von Andel - Allegro Software
+   Rich Lomicka - Digital           William Wagner - Digital Products
+   David Kellerman - Northlake      Jasper Wong - Xionics
+   Software
+   Robert Kline - TrueSpectra       Don Wright - Lexmark
+   Dave Kuntz - Hewlett-Packard     Rick Yardumian - Xerox
+   Takami Kurono - Brother          Lloyd Young - Lexmark
+   Rich Landau - Digital            Peter Zehler - Xerox
+   Greg LeClair - Epson             Frank Zhao - Panasonic
+                                    Steve Zilles - Adobe
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 24]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+9. Appendix A: Protocol Examples
+
+9.1 Print-Job Request
+
+   The following is an example of a Print-Job request with job-name,
+   copies, and sides specified. The "ipp-attribute-fidelity" attribute
+   is set to 'true' so that the print request will fail if the "copies"
+   or the "sides" attribute are not supported or their values are not
+   supported.
+
+ Octets          Symbolic Value                Protocol field
+
+ 0x0100          1.0                           version-number
+ 0x0002          Print-Job                     operation-id
+ 0x00000001      1                             request-id
+ 0x01            start operation-attributes    operation-attributes-tag
+ 0x47            charset type                  value-tag
+ 0x0012                                        name-length
+ attributes-     attributes-charset            name
+ charset
+ 0x0008                                        value-length
+ us-ascii        US-ASCII                      value
+ 0x48            natural-language type         value-tag
+ 0x001B                                        name-length
+ attributes-     attributes-natural-language   name
+ natural-
+ language
+ 0x0005                                        value-length
+ en-us           en-US                         value
+ 0x45            uri type                      value-tag
+ 0x000B                                        name-length
+ printer-uri     printer-uri                   name
+ 0x001A                                        value-length
+ http://forest:  printer pinetree              value
+ 631/pinetree
+ 0x42            nameWithoutLanguage type      value-tag
+ 0x0008                                        name-length
+ job-name        job-name                      name
+ 0x0006                                        value-length
+ foobar          foobar                        value
+ 0x22            boolean type                  value-tag
+ 0x16                                          name-length
+ ipp-attribute-  ipp-attribute-fidelity        name
+ fidelity
+ 0x01                                          value-length
+ 0x01            true                          value
+ 0x02            start job-attributes          job-attributes-tag
+ 0x21            integer type                  value-tag
+
+
+
+Herriot, et al.               Experimental                     [Page 25]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ 0x0006                                        name-length
+ copies          copies                        name
+ 0x0004                                        value-length
+ 0x00000014      20                            value
+ 0x44            keyword type                  value-tag
+ 0x0005                                        name-length
+ sides           sides                         name
+ 0x0013                                        value-length
+ two-sided-      two-sided-long-edge           value
+ long-edge
+ 0x03            end-of-attributes             end-of-attributes-tag
+ %!PS...         <PostScript>                  data
+
+9.2 Print-Job Response (successful)
+
+   Here is an example of a successful Print-Job response to the previous
+   Print-Job request.  The printer supported the "copies" and "sides"
+   attributes and their supplied values.  The status code returned is '
+   successful-ok'.
+
+ Octets            Symbolic Value              Protocol field
+
+ 0x0100            1.0                         version-number
+ 0x0000            successful-ok               status-code
+ 0x00000001        1                           request-id
+ 0x01              start operation-attributes  operation-attributes-tag
+ 0x47              charset type                value-tag
+ 0x0012                                        name-length
+ attributes-       attributes-charset          name
+ charset
+ 0x0008                                        value-length
+ us-ascii          US-ASCII                    value
+ 0x48              natural-language type       value-tag
+ 0x001B                                        name-length
+ attributes-       attributes-natural-         name
+ natural-language  language
+ 0x0005                                        value-length
+ en-us             en-US                       value
+ 0x41              textWithoutLanguage type    value-tag
+ 0x000E                                        name-length
+ status-message    status-message              name
+ 0x000D                                        value-length
+ successful-ok     successful-ok               value
+ 0x02              start job-attributes        job-attributes-tag
+ 0x21              integer                     value-tag
+ 0x0006                                        name-length
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 26]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ Octets            Symbolic Value              Protocol field
+
+ job-id            job-id                      name
+ 0x0004                                        value-length
+ 147               147                         value
+ 0x45              uri type                    value-tag
+ 0x0007                                        name-length
+ job-uri           job-uri                     name
+ 0x001E                                        value-length
+ http://forest:63  job 123 on pinetree         value
+ 1/pinetree/123
+ 0x42              nameWithoutLanguage type    value-tag
+ 0x0009                                        name-length
+ job-state         job-state                   name
+ 0x0004                                        value-length
+ 0x0003            pending                     value
+ 0x03              end-of-attributes           end-of-attributes-tag
+
+9.3 Print-Job Response (failure)
+
+   Here is an example of an unsuccessful Print-Job response to the
+   previous Print-Job request. It fails because, in this case, the
+   printer does not support the "sides" attribute and because the value
+   '20' for the "copies" attribute is not supported. Therefore, no job
+   is created, and neither a "job-id" nor a "job-uri" operation
+   attribute is returned. The error code returned is 'client-error-
+   attributes-or-values-not-supported' (0x040B).
+
+ Octets        Symbolic Value                Protocol field
+
+ 0x0100        1.0                           version-number
+ 0x040B        client-error-attributes-or-   status-code
+               values-not-supported
+ 0x00000001    1                             request-id
+ 0x01          start operation-attributes    operation-attribute tag
+ 0x47          charset type                  value-tag
+ 0x0012                                      name-length
+ attributes-   attributes-charset            name
+ charset
+ 0x0008                                      value-length
+ us-ascii      US-ASCII                      value
+ 0x48          natural-language type         value-tag
+ 0x001B                                      name-length
+ attributes-   attributes-natural-language   name
+ natural-
+ language
+ 0x0005                                      value-length
+
+
+
+
+Herriot, et al.               Experimental                     [Page 27]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ Octets            Symbolic Value              Protocol field
+
+ en-us         en-US                         value
+ 0x41          textWithoutLanguage type      value-tag
+ 0x000E                                      name-length
+ status-       status-message                name
+ message
+ 0x002F                                      value-length
+ client-error- client-error-attributes-or-   value
+ attributes-   values-not-supported
+ or-values-
+ not-supported
+ 0x05          start unsupported-attributes  unsupported-attributes tag
+ 0x21          integer type                  value-tag
+ 0x0006                                      name-length
+ copies        copies                        name
+ 0x0004                                      value-length
+ 0x00000014    20                            value
+ 0x10          unsupported  (type)           value-tag
+ 0x0005                                      name-length
+ sides         sides                         name
+ 0x0000                                      value-length
+ 0x03          end-of-attributes             end-of-attributes-tag
+
+9.4 Print-Job Response (success with attributes ignored)
+
+   Here is an example of a successful Print-Job response to a Print-Job
+   request like the previous Print-Job request, except that the value of
+   'ipp-attribute-fidelity' is false. The print request succeeds, even
+   though, in this case, the printer supports neither the "sides"
+   attribute nor the value '20' for the "copies" attribute. Therefore, a
+   job is created, and both a "job-id" and a "job-uri" operation
+   attribute are returned. The unsupported attributes are also returned
+   in an Unsupported Attributes Group. The error code returned is '
+   successful-ok-ignored-or-substituted-attributes' (0x0001).
+
+ Octets            Symbolic Value              Protocol field
+
+ 0x0100            1.0                         version-number
+ 0x0001            successful-ok-ignored-or-   status-code
+                   substituted-attributes
+ 0x00000001        1                           request-id
+ 0x01              start operation-attributes  operation-attributes-tag
+ 0x47              charset type                value-tag
+ 0x0012                                        name-length
+ attributes-       attributes-charset          name
+ charset
+ 0x0008                                        value-length
+
+
+
+Herriot, et al.               Experimental                     [Page 28]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ Octets            Symbolic Value              Protocol field
+
+ us-ascii          US-ASCII                    value
+ 0x48              natural-language type       value-tag
+ 0x001B                                        name-length
+ attributes-       attributes-natural-         name
+ natural-language  language
+ 0x0005                                        value-length
+ en-us             en-US                       value
+ 0x41              textWithoutLanguage type    value-tag
+ 0x000E                                        name-length
+ status-message    status-message              name
+ 0x002F                                        value-length
+ successful-ok-    successful-ok-ignored-or-   value
+ ignored-or-       substituted-attributes
+ substituted-
+ attributes
+ 0x05              start unsupported-          unsupported-attributes
+                   attributes                  tag
+ 0x21              integer type                value-tag
+ 0x0006                                        name-length
+ copies            copies                      name
+ 0x0004                                        value-length
+ 0x00000014        20                          value
+ 0x10              unsupported  (type)         value-tag
+ 0x0005                                        name-length
+ sides             sides                       name
+ 0x0000                                        value-length
+ 0x02              start job-attributes        job-attributes-tag
+ 0x21              integer                     value-tag
+ 0x0006                                        name-length
+ job-id            job-id                      name
+ 0x0004                                        value-length
+ 147               147                         value
+ 0x45              uri type                    value-tag
+ 0x0007                                        name-length
+ job-uri           job-uri                     name
+ 0x001E                                        value-length
+ http://forest:63  job 123 on pinetree         value
+ 1/pinetree/123
+ 0x42              nameWithoutLanguage type    value-tag
+ 0x0009                                        name-length
+ job-state         job-state                   name
+ 0x0004                                        value-length
+ 0x0003            pending                     value
+ 0x03              end-of-attributes           end-of-attributes-tag
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 29]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+9.5 Print-URI Request
+
+   The following is an example of Print-URI request with copies and
+   job-name parameters:
+
+ Octets         Symbolic Value               Protocol field
+
+ 0x0100         1.0                          version-number
+
+ Octets         Symbolic Value               Protocol field
+ 0x0003         Print-URI                    operation-id
+ 0x00000001     1                            request-id
+ 0x01           start operation-attributes   operation-attributes-tag
+ 0x47           charset type                 value-tag
+ 0x0012                                      name-length
+ attributes-    attributes-charset           name
+ charset
+ 0x0008                                      value-length
+ us-ascii       US-ASCII                     value
+ 0x48           natural-language type        value-tag
+ 0x001B                                      name-length
+ attributes-    attributes-natural-language  name
+ natural-
+ language
+ 0x0005                                      value-length
+ en-us          en-US                        value
+ 0x45           uri type                     value-tag
+ 0x000B                                      name-length
+ printer-uri    printer-uri                  name
+ 0x001A                                      value-length
+ http://forest  printer pinetree             value
+ :631/pinetree
+ 0x45           uri type                     value-tag
+ 0x000C                                      name-length
+ document-uri   document-uri                 name
+ 0x11                                        value-length
+ ftp://foo.com  ftp://foo.com/foo            value
+ /foo
+ 0x42           nameWithoutLanguage type     value-tag
+ 0x0008                                      name-length
+ job-name       job-name                     name
+ 0x0006                                      value-length
+ foobar         foobar                       value
+ 0x02           start job-attributes         job-attributes-tag
+ 0x21           integer type                 value-tag
+ 0x0006                                      name-length
+ copies         copies                       name
+ 0x0004                                      value-length
+
+
+
+Herriot, et al.               Experimental                     [Page 30]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ 0x00000001     1                            value
+ 0x03           end-of-attributes            end-of-attributes-tag
+
+9.6 Create-Job Request
+
+   The following is an example of Create-Job request with no parameters
+   and no attributes:
+
+ Octets         Symbolic Value              Protocol field
+ 0x0100         1.0                         version-number
+ 0x0005         Create-Job                  operation-id
+ 0x00000001     1                           request-id
+ 0x01           start operation-attributes  operation-attributes-tag
+ 0x47           charset type                value-tag
+ 0x0012                                     name-length
+
+ Octets         Symbolic Value              Protocol field
+ attributes-    attributes-charset          name
+ charset
+ 0x0008                                     value-length
+ us-ascii       US-ASCII                    value
+ 0x48           natural-language type       value-tag
+ 0x001B                                     name-length
+ attributes-    attributes-natural-language name
+ natural-
+ language
+ 0x0005                                     value-length
+ en-us          en-US                       value
+ 0x45           uri type                    value-tag
+ 0x000B                                     name-length
+ printer-uri    printer-uri                 name
+ 0x001A                                     value-length
+ http://forest: printer pinetree            value
+ 631/pinetree
+ 0x03           end-of-attributes           end-of-attributes-tag
+
+9.7 Get-Jobs Request
+
+   The following is an example of Get-Jobs request with parameters but
+   no attributes:
+
+ Octets           Symbolic Value               Protocol field
+
+ 0x0100           1.0                          version-number
+ 0x000A           Get-Jobs                     operation-id
+ 0x00000123       0x123                        request-id
+ 0x01             start operation-attributes   operation-attributes-tag
+ 0x47             charset type                 value-tag
+
+
+
+Herriot, et al.               Experimental                     [Page 31]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ Octets           Symbolic Value               Protocol field
+
+ 0x0012                                        name-length
+ attributes-      attributes-charset           name
+ charset
+ 0x0008                                        value-length
+ us-ascii         US-ASCII                     value
+ 0x48             natural-language type        value-tag
+ 0x001B                                        name-length
+ attributes-      attributes-natural-language  name
+ natural-
+ language
+ 0x0005                                        value-length
+ en-us            en-US                        value
+ 0x45             uri type                     value-tag
+ 0x000B                                        name-length
+ printer-uri      printer-uri                  name
+ 0x001A                                        value-length
+ http://forest:6  printer pinetree             value
+ 31/pinetree
+ 0x21             integer type                 value-tag
+ 0x0005                                        name-length
+ limit            limit                        name
+ 0x0004                                        value-length
+ 0x00000032       50                           value
+ 0x44             keyword type                 value-tag
+ 0x0014                                        name-length
+ requested-       requested-attributes         name
+ attributes
+ 0x0006                                        value-length
+ job-id           job-id                       value
+ 0x44             keyword type                 value-tag
+ 0x0000           additional value             name-length
+ 0x0008                                        value-length
+ job-name         job-name                     value
+ 0x44             keyword type                 value-tag
+ 0x0000           additional value             name-length
+ 0x000F                                        value-length
+ document-format  document-format              value
+ 0x03             end-of-attributes            end-of-attributes-tag
+
+9.8 Get-Jobs Response
+
+   The following is an of Get-Jobs response from previous request with 3
+   jobs. The Printer returns no information about the second job
+   (because of security reasons):
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 32]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ Octets           Symbolic Value                Protocol field
+
+ 0x0100           1.0                           version-number
+ 0x0000           successful-ok                 status-code
+ 0x00000123       0x123                         request-id (echoed
+                                                back)
+ 0x01             start operation-attributes    operation-attribute-tag
+ 0x47             charset type                  value-tag
+ 0x0012                                         name-length
+ attributes-      attributes-charset            name
+ charset
+ 0x000A                                         value-length
+ ISO-8859-1       ISO-8859-1                    value
+ 0x48             natural-language type         value-tag
+ 0x001B                                         name-length
+ attributes-      attributes-natural-language   name
+ natural-
+ language
+ 0x0005                                         value-length
+ en-us            en-US                         value
+ 0x41             textWithoutLanguage type      value-tag
+ 0x000E                                         name-length
+ status-message   status-message                name
+ 0x000D                                         value-length
+ successful-ok    successful-ok                 value
+ 0x02             start job-attributes (1st     job-attributes-tag
+                  object)
+ 0x21             integer type                  value-tag
+ 0x0006                                         name-length
+ job-id           job-id                        name
+ 0x0004                                         value-length
+ 147              147                           value
+ 0x36             nameWithLanguage              value-tag
+ 0x0008                                         name-length
+ job-name         job-name                      name
+ 0x000C                                         value-length
+ 0x0005                                         sub-value-length
+ fr-ca            fr-CA                         value
+ 0x0003                                         sub-value-length
+ fou              fou                           name
+ 0x02             start job-attributes (2nd     job-attributes-tag
+                  object)
+ 0x02             start job-attributes (3rd     job-attributes-tag
+                  object)
+ 0x21             integer type                  value-tag
+ 0x0006                                         name-length
+ job-id           job-id                        name
+ 0x0004                                         value-length
+
+
+
+Herriot, et al.               Experimental                     [Page 33]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+ Octets           Symbolic Value                Protocol field
+
+ 148              148                           value
+ 0x36             nameWithLanguage              value-tag
+ 0x0008                                         name-length
+ job-name         job-name                      name
+ 0x0012                                         value-length
+ 0x0005                                         sub-value-length
+ de-CH            de-CH                         value
+ 0x0009                                         sub-value-length
+ isch guet        isch guet                     name
+ 0x03             end-of-attributes             end-of-attributes-tag
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 34]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+10. Appendix C: Registration of MIME Media Type Information for
+    "application/ipp"
+
+   This appendix contains the information that IANA requires for
+   registering a MIME media type.  The information following this
+   paragraph will be forwarded to IANA to register application/ipp whose
+   contents are defined in Section 3 "Encoding of the Operation Layer"
+   in this document:
+
+   MIME type name: application
+
+   MIME subtype name: ipp
+
+   A Content-Type of "application/ipp" indicates an Internet Printing
+   Protocol message body (request or response). Currently there is one
+   version: IPP/1.0, whose syntax is described in Section 3 "Encoding of
+   the Operation Layer" of [RFC2565], and whose semantics are described
+   in [RFC2566].
+
+   Required parameters:  none
+
+   Optional parameters:  none
+
+   Encoding considerations:
+
+   IPP/1.0 protocol requests/responses MAY contain long lines and ALWAYS
+   contain binary data (for example attribute value lengths).
+
+   Security considerations:
+
+   IPP/1.0 protocol requests/responses do not introduce any security
+   risks not already inherent in the underlying transport protocols.
+   Protocol mixed-version interworking rules in [RFC2566] as well as
+   protocol encoding rules in [RFC2565] are complete and unambiguous.
+
+   Interoperability considerations:
+
+   IPP/1.0 requests (generated by clients) and responses (generated by
+   servers) MUST comply with all conformance requirements imposed by the
+   normative specifications [RFC2566] and [RFC2565]. Protocol encoding
+   rules specified in [RFC2565] are comprehensive, so that
+   interoperability between conforming implementations is guaranteed
+   (although support for specific optional features is not ensured).
+   Both the "charset" and "natural-language" of all IPP/1.0 attribute
+   values which are a LOCALIZED-STRING  are explicit within IPP protocol
+   requests/responses (without recourse to any external information in
+   HTTP, SMTP, or other message transport headers).
+
+
+
+
+Herriot, et al.               Experimental                     [Page 35]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+   Published specification:
+
+   [RFC2566] Isaacson, S., deBry, R., Hastings, T., Herriot, R. and P.
+             Powell, "Internet Printing Protocol/1.0: Model and
+             Semantics" RFC 2566, April 1999.
+
+   [RFC2565] Herriot, R., Butler, S., Moore, P., Tuner, R., "Internet
+             Printing Protocol/1.0: Encoding and Transport", RFC 2565,
+             April 1999.
+
+   Applications which use this media type:
+
+   Internet Printing Protocol (IPP) print clients and print servers,
+   communicating using HTTP/1.1 (see [RFC2565]), SMTP/ESMTP, FTP, or
+   other transport protocol. Messages of type "application/ipp" are
+   self-contained and transport-independent, including "charset" and
+   "natural-language" context for any LOCALIZED-STRING value.
+
+   Person & email address to contact for further information:
+
+   Scott A. Isaacson
+   Novell, Inc.
+   122 E 1700 S
+   Provo, UT 84606
+
+   Phone: 801-861-7366
+   Fax: 801-861-4025
+   Email: sisaacson@novell.com
+
+   or
+
+   Robert Herriot (Editor)
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   EMail: rherriot@pahv.xerox.com
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 36]
+
+RFC 2565            IPP/1.0: Encoding and Transport           April 1999
+
+
+11.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 37]
+
diff --git a/standards/rfc2566.txt b/standards/rfc2566.txt
new file mode 100644
index 000000000..f373d6a0f
--- /dev/null
+++ b/standards/rfc2566.txt
@@ -0,0 +1,9691 @@
+
+
+
+
+
+
+Network Working Group                                           R. deBry
+Request for Comments: 2566                     Utah Valley State College
+Category: Experimental                                       T. Hastings
+                                                       Xerox Corporation
+                                                              R. Herriot
+                                                       Xerox Corporation
+                                                             S. Isaacson
+                                                            Novell, Inc.
+                                                               P. Powell
+                                                     Astart Technologies
+                                                              April 1999
+
+
+          Internet Printing Protocol/1.0: Model and Semantics
+
+Status of this Memo
+
+   This memo defines an Experimental Protocol for the Internet
+   community.  It does not specify an Internet standard of any kind.
+   Discussion and suggestions for improvement are requested.
+   Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+IESG Note
+
+   This document defines an Experimental protocol for the Internet
+   community.  The IESG expects that a revised version of this protocol
+   will be published as Proposed Standard protocol.  The Proposed
+   Standard, when published, is expected to change from the protocol
+   defined in this memo.  In particular, it is expected that the
+   standards-track version of the protocol will incorporate strong
+   authentication and privacy features, and that an "ipp:" URL type will
+   be defined which supports those security measures.  Other changes to
+   the protocol are also possible.  Implementors are warned that future
+   versions of this protocol may not interoperate with the version of
+   IPP defined in this document, or if they do interoperate, that some
+   protocol features may not be available.
+
+   The IESG encourages experimentation with this protocol, especially in
+   combination with Transport Layer Security (TLS) [RFC 2246], to help
+   determine how TLS may effectively be used as a security layer for
+   IPP.
+
+
+
+
+
+
+deBry, et al.                 Experimental                      [Page 1]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP).  IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies.  This document describes a
+   simplified model consisting of abstract objects, their attributes,
+   and their operations that is independent of encoding and transport.
+   The model consists of a Printer and a Job object.  A Job optionally
+   supports multiple documents.  IPP 1.0 semantics allow end-users and
+   operators to query printer capabilities, submit print jobs, inquire
+   about the status of print jobs and printers, and cancel print jobs.
+   This document also addresses security, internationalization, and
+   directory issues.
+
+   The full set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+        Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.0: Model and Semantics (this document)
+     Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+     Internet Printing Protocol/1.0: Implementer's Guide [ipp-iig]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  Operator and administrator requirements
+   are out of scope for version 1.0.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.0: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1.  It defines the encoding rules
+   for a new Internet media type called "application/ipp".
+
+   The "Internet Printing Protocol/1.0: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.0 and some of
+
+
+
+deBry, et al.                 Experimental                      [Page 2]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+Table of Contents
+
+1. Introduction                                                        8
+ 1.1   Simplified Printing Model                                       9
+2. IPP Objects                                                        11
+ 2.1   Printer Object                                                 12
+ 2.2   Job Object                                                     14
+ 2.3   Object Relationships                                           14
+ 2.4   Object Identity                                                15
+3. IPP Operations                                                     18
+ 3.1   Common Semantics                                               19
+  3.1.1   Required Parameters                                         19
+  3.1.2   Operation IDs and Request IDs                               20
+  3.1.3   Attributes                                                  20
+  3.1.4   Character Set and Natural Language Operation Attributes     22
+   3.1.4.1  Request Operation Attributes                              22
+   3.1.4.2  Response Operation Attributes                             26
+  3.1.5   Operation Targets                                           28
+  3.1.6   Operation Status Codes and Messages                         29
+  3.1.7   Versions                                                    30
+  3.1.8   Job Creation Operations                                     32
+ 3.2   Printer Operations                                             34
+  3.2.1   Print-Job Operation                                         34
+   3.2.1.1  Print-Job Request                                         34
+   3.2.1.2  Print-Job Response                                        38
+  3.2.2   Print-URI Operation                                         41
+  3.2.3   Validate-Job Operation                                      42
+  3.2.4   Create-Job Operation                                        42
+  3.2.5   Get-Printer-Attributes Operation                            43
+   3.2.5.1  Get-Printer-Attributes Request                            44
+   3.2.5.2  Get-Printer-Attributes Response                           46
+  3.2.6   Get-Jobs Operation                                          47
+   3.2.6.1  Get-Jobs Request                                          47
+   3.2.6.2  Get-Jobs Response                                         49
+ 3.3   Job Operations                                                 50
+  3.3.1   Send-Document Operation                                     50
+   3.3.1.1  Send-Document Request                                     51
+   3.3.1.2  Send-Document Response                                    53
+  3.3.2   Send-URI Operation                                          54
+
+
+
+deBry, et al.                 Experimental                      [Page 3]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+  3.3.3   Cancel-Job Operation                                        54
+   3.3.3.1  Cancel-Job Request                                        54
+   3.3.3.2  Cancel-Job Response                                       55
+  3.3.4   Get-Job-Attributes Operation                                56
+   3.3.4.1  Get-Job-Attributes Request                                57
+   3.3.4.2  Get-Job-Attributes Response                               57
+4. Object Attributes                                                  58
+ 4.1   Attribute Syntaxes                                             59
+  4.1.1   'text'                                                      60
+   4.1.1.1  'textWithoutLanguage'                                     61
+   4.1.1.2  'textWithLanguage'                                        61
+  4.1.2   'name'                                                      62
+   4.1.2.1  'nameWithoutLanguage'                                     62
+   4.1.2.2  'nameWithLanguage'                                        63
+   4.1.2.3  Matching 'name' attribute values                          63
+  4.1.3   'keyword'                                                   64
+  4.1.4   'enum'                                                      65
+  4.1.5   'uri'                                                       65
+  4.1.6   'uriScheme'                                                 65
+  4.1.7   'charset'                                                   66
+  4.1.8   'naturalLanguage'                                           67
+  4.1.9   'mimeMediaType'                                             67
+  4.1.10  'octetString'                                               69
+  4.1.11  'boolean'                                                   69
+  4.1.12  'integer'                                                   69
+  4.1.13  'rangeOfInteger'                                            69
+  4.1.14  'dateTime'                                                  69
+  4.1.15  'resolution'                                                69
+  4.1.16  '1setOf  X'                                                 70
+ 4.2   Job Template Attributes                                        70
+  4.2.1   job-priority (integer(1:100))                               74
+  4.2.2   job-hold-until (type3 keyword | name (MAX))                 75
+  4.2.3   job-sheets (type3 keyword | name(MAX))                      75
+  4.2.4   multiple-document-handling (type2 keyword)                  76
+  4.2.5   copies (integer(1:MAX))                                     77
+  4.2.6   finishings (1setOf type2 enum)                              78
+  4.2.7   page-ranges (1setOf rangeOfInteger (1:MAX))                 79
+  4.2.8   sides (type2 keyword)                                       80
+  4.2.9   number-up (integer(1:MAX))                                  80
+  4.2.10  orientation-requested (type2 enum)                          81
+  4.2.11  media (type3 keyword | name(MAX))                           82
+  4.2.12  printer-resolution (resolution)                             83
+  4.2.13  print-quality (type2 enum)                                  83
+ 4.3   Job Description Attributes                                     84
+  4.3.1   job-uri (uri)                                               85
+  4.3.2   job-id (integer(1:MAX))                                     85
+  4.3.3   job-printer-uri (uri)                                       86
+  4.3.4   job-more-info (uri)                                         86
+
+
+
+deBry, et al.                 Experimental                      [Page 4]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+  4.3.5   job-name (name(MAX))                                        86
+  4.3.6   job-originating-user-name (name(MAX))                       86
+  4.3.7   job-state (type1 enum)                                      87
+  4.3.8   job-state-reasons (1setOf  type2 keyword)                   90
+  4.3.9   job-state-message (text(MAX))                               92
+  4.3.10  number-of-documents (integer(0:MAX))                        93
+  4.3.11  output-device-assigned (name(127))                          93
+  4.3.12  time-at-creation (integer(0:MAX))                           93
+  4.3.13  time-at-processing (integer(0:MAX))                         93
+  4.3.14  time-at-completed (integer(0:MAX))                          94
+  4.3.15  number-of-intervening-jobs (integer(0:MAX))                 94
+  4.3.16  job-message-from-operator (text(127))                       94
+  4.3.17  job-k-octets (integer(0:MAX))                               94
+  4.3.18  job-impressions (integer(0:MAX))                            95
+  4.3.19  job-media-sheets (integer(0:MAX))                           95
+  4.3.20  job-k-octets-processed (integer(0:MAX))                     96
+  4.3.21  job-impressions-completed (integer(0:MAX))                  96
+  4.3.22  job-media-sheets-completed (integer(0:MAX))                 96
+  4.3.23  attributes-charset (charset)                                97
+  4.3.24  attributes-natural-language (naturalLanguage)               97
+ 4.4   Printer Description Attributes                                 97
+  4.4.1   printer-uri-supported (1setOf uri)                          99
+  4.4.2   uri-security-supported (1setOf type2 keyword)              100
+  4.4.3   printer-name (name(127))                                   101
+  4.4.4   printer-location (text(127))                               101
+  4.4.5   printer-info (text(127))                                   101
+  4.4.6   printer-more-info (uri)                                    101
+  4.4.7   printer-driver-installer (uri)                             102
+  4.4.8   printer-make-and-model (text(127))                         102
+  4.4.9   printer-more-info-manufacturer (uri)                       102
+  4.4.10  printer-state (type1 enum)                                 102
+  4.4.11  printer-state-reasons (1setOf type2 keyword)               103
+  4.4.12  printer-state-message (text(MAX))                          106
+  4.4.13  operations-supported (1setOf type2 enum)                   106
+  4.4.14  charset-configured (charset)                               107
+  4.4.15  charset-supported (1setOf charset)                         107
+  4.4.16  natural-language-configured (naturalLanguage)              107
+  4.4.17  generated-natural-language-supported(1setOf naturalLanguage108
+  4.4.18  document-format-default (mimeMediaType)                    108
+  4.4.19  document-format-supported (1setOf mimeMediaType)           108
+  4.4.20  printer-is-accepting-jobs (boolean)                        109
+  4.4.21  queued-job-count (integer(0:MAX))                          109
+  4.4.22  printer-message-from-operator (text(127))                  109
+  4.4.23  color-supported (boolean)                                  109
+  4.4.24  reference-uri-schemes-supported (1setOf uriScheme)         109
+  4.4.25  pdl-override-supported (type2 keyword)                     110
+  4.4.26  printer-up-time (integer(1:MAX))                           110
+  4.4.27  printer-current-time (dateTime)                            111
+
+
+
+deBry, et al.                 Experimental                      [Page 5]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+  4.4.28  multiple-operation-time-out (integer(1:MAX))               111
+  4.4.29  compression-supported (1setOf type3 keyword)               111
+  4.4.30  job-k-octets-supported (rangeOfInteger(0:MAX))             112
+  4.4.31  job-impressions-supported (rangeOfInteger(0:MAX))          112
+  4.4.32  job-media-sheets-supported (rangeOfInteger(0:MAX))         112
+5. Conformance                                                       112
+ 5.1   Client Conformance Requirements                               112
+ 5.2   IPP Object Conformance Requirements                           113
+  5.2.1   Objects                                                    113
+  5.2.2   Operations                                                 113
+  5.2.3   IPP Object Attributes                                      114
+  5.2.4   Extensions                                                 114
+  5.2.5   Attribute Syntaxes                                         115
+ 5.3   Charset and Natural Language Requirements                     115
+ 5.4   Security Conformance Requirements                             115
+6. IANA Considerations (registered and private extensions)           116
+ 6.1   Typed 'keyword' and 'enum' Extensions                         116
+ 6.2   Attribute Extensibility                                       119
+ 6.3   Attribute Syntax Extensibility                                119
+ 6.4   Operation Extensibility                                       120
+ 6.5   Attribute Groups                                              120
+ 6.6   Status Code Extensibility                                     120
+ 6.7   Registration of MIME types/sub-types for document-formats     121
+ 6.8   Registration of charsets for use in 'charset' attribute values121
+7. Internationalization Considerations                               121
+8. Security Considerations                                           125
+ 8.1   Security Scenarios                                            126
+  8.1.1   Client and Server in the Same Security Domain              126
+  8.1.2   Client and Server in Different Security Domains            126
+  8.1.3   Print by Reference                                         127
+ 8.2   URIs for SSL3 and non-SSL3 Access                             127
+ 8.3   The "requesting-user-name" (name(MAX)) Operation Attribute    127
+ 8.4   Restricted Queries                                            129
+ 8.5   Queries on jobs submitted using non-IPP protocols             129
+ 8.6   IPP Security Application Profile for SSL3                     130
+9. References                                                        131
+10. Authors' Addresses                                               134
+11. Formats for IPP Registration Proposals                           136
+ 11.1  Type2 keyword attribute values registration                   136
+ 11.2  Type3 keyword attribute values registration                   137
+ 11.3  Type2 enum attribute values registration                      137
+ 11.4  Type3 enum attribute values registration                      137
+ 11.5  Attribute registration                                        138
+ 11.6  Attribute Syntax registration                                 138
+ 11.7  Operation registration                                        139
+ 11.8  Attribute Group registration                                  139
+ 11.9  Status code registration                                      139
+12.APPENDIX A: Terminology                                           141
+
+
+
+deBry, et al.                 Experimental                      [Page 6]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+ 12.1  Conformance Terminology                                       141
+  12.1.1  NEED NOT                                                   141
+ 12.2  Model Terminology                                             141
+  12.2.1  Keyword                                                    141
+  12.2.2  Attributes                                                 141
+   12.2.2.1 Attribute Name                                           141
+   12.2.2.2 Attribute Group Name                                     142
+   12.2.2.3 Attribute Value                                          142
+   12.2.2.4 Attribute Syntax                                         142
+  12.2.3  Supports                                                   142
+  12.2.4  print-stream page                                          144
+  12.2.5  impression                                                 144
+13.APPENDIX B:  Status Codes and Suggested Status Code Messages      145
+ 13.1  Status Codes                                                  146
+  13.1.1  Informational                                              146
+  13.1.2  Successful Status Codes                                    146
+   13.1.2.1 successful-ok (0x0000)                                   146
+   13.1.2.2 successful-ok-ignored-or-substituted-attributes (0x0001) 146
+   13.1.2.3 successful-ok-conflicting-attributes (0x0002)            147
+  13.1.3  Redirection Status Codes                                   147
+  13.1.4  Client Error Status Codes                                  147
+   13.1.4.1 client-error-bad-request (0x0400)                        147
+   13.1.4.2 client-error-forbidden (0x0401)                          147
+   13.1.4.3 client-error-not-authenticated (0x0402)                  148
+   13.1.4.4 client-error-not-authorized (0x0403)                     148
+   13.1.4.5 client-error-not-possible (0x0404)                       148
+   13.1.4.6 client-error-timeout (0x0405)                            148
+   13.1.4.7 client-error-not-found (0x0406)                          149
+   13.1.4.8 client-error-gone (0x0407)                               149
+   13.1.4.9 client-error-request-entity-too-large (0x0408)           149
+   13.1.4.10client-error-request-value-too-long (0x0409)             150
+   13.1.4.11client-error-document-format-not-supported (0x040A)      150
+   13.1.4.12client-error-attributes-or-values-not-supported (0x040B) 150
+   13.1.4.13client-error-uri-scheme-not-supported (0x040C)           151
+   13.1.4.14client-error-charset-not-supported (0x040D)              151
+   13.1.4.15client-error-conflicting-attributes (0x040E)             151
+  13.1.5  Server Error Status Codes                                  151
+   13.1.5.1 server-error-internal-error (0x0500)                     151
+   13.1.5.2 server-error-operation-not-supported (0x0501)            152
+   13.1.5.3 server-error-service-unavailable (0x0502)                152
+   13.1.5.4 server-error-version-not-supported (0x0503)              152
+   13.1.5.5 server-error-device-error (0x0504)                       152
+   13.1.5.6 server-error-temporary-error (0x0505)                    153
+   13.1.5.7 server-error-not-accepting-jobs (0x0506)                 153
+   13.1.5.8 server-error-busy (0x0507)                               153
+   13.1.5.9 server-error-job-canceled (0x0508)                       153
+ 13.2  Status Codes for IPP Operations                               153
+14.APPENDIX C:  "media" keyword values                               155
+
+
+
+deBry, et al.                 Experimental                      [Page 7]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+15.APPENDIX D: Processing IPP Attributes                             160
+ 15.1  Fidelity                                                      160
+ 15.2  Page Description Language (PDL) Override                      161
+ 15.3  Using Job Template Attributes During Document Processing.     163
+16.APPENDIX E: Generic Directory Schema                              166
+17.APPENDIX F: Change History for the Model and Semantics document   168
+18.FULL COPYRIGHT STATEMENT                                          173
+
+1. Introduction
+
+   The Internet Printing Protocol (IPP) is an application level protocol
+   that can be used for distributed printing using Internet tools and
+   technologies.  IPP version 1.0 (IPP/1.0) focuses only on end user
+   functionality.  This document is just one of a suite of documents
+   that fully define IPP.  The full set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+        Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.0: Model and Semantics (this document)
+     Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+     Internet Printing Protocol/1.0: Implementer's Guide [ipp-iig]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   Anyone reading these documents for the first time is strongly
+   encouraged to read the IPP documents in the above order.
+
+   This document is laid out as follows:
+
+     - The rest of Section 1 is an introduction to the IPP simplified
+       model for distributed printing.
+     - Section 2 introduces the object types covered in the model with
+       their basic behaviors, attributes, and interactions.
+     - Section 3 defines the operations included in IPP/1.0.  IPP
+       operations are synchronous, therefore, for each operation, there
+       is a both request and a response.
+     - Section 4 defines the attributes (and their syntaxes) that are
+       used in the model.
+     - Sections 5 - 6 summarizes the implementation conformance
+       requirements for objects that support the protocol and IANA
+       considerations, respectively.
+     - Sections 7 - 11 cover the Internationalization and Security
+       considerations as well as References, Author contact information,
+       and Formats for Registration Proposals.
+     - Sections 12 - 14 are appendices that cover Terminology, Status
+       Codes and Messages, and "media" keyword values.
+
+
+
+
+
+deBry, et al.                 Experimental                      [Page 8]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+             Note: This document uses terms such as "attributes",
+             "keywords", and "support".  These terms have special
+             meaning and are defined in the model terminology section
+             12.2.  Capitalized terms, such as MUST, MUST NOT, REQUIRED,
+             SHOULD, SHOULD NOT, MAY, NEED NOT, and OPTIONAL, have
+             special meaning relating to conformance.  These terms are
+             defined in section 12.1 on conformance terminology, most of
+             which is taken from RFC 2119 [RFC2119].
+
+     - Section 15 is an appendix that helps to clarify the effects of
+       interactions between related attributes and their values.
+     - Section 16 is an appendix that enumerates the subset of Printer
+       attributes that form a generic directory schema.  These
+       attributes are useful when registering a Printer so that a
+       client can find the Printer not just by name, but by filtered
+       searches as well.
+     - Section 17 is an appendix that provides a Change History
+       summarizing the clarification and changes that might affect an
+       implementation since the June 30, 1998 draft.
+
+1.1 Simplified Printing Model
+
+   In order to achieve its goal of realizing a workable printing
+   protocol for the Internet, the Internet Printing Protocol (IPP) is
+   based on a simplified printing model that abstracts the many
+   components of real world printing solutions.  The Internet is a
+   distributed computing environment where requesters of print services
+   (clients, applications, printer drivers, etc.) cooperate and interact
+   with print service providers.  This model and semantics document
+   describes a simple, abstract model for IPP even though the underlying
+   configurations may be complex "n-tier" client/server systems.  An
+   important simplifying step in the IPP model is to expose only the key
+   objects and interfaces required for printing.  The model described in
+   this model document does not include features, interfaces, and
+   relationships that are beyond the scope of the first version of IPP
+   (IPP/1.0).  IPP/1.0 incorporates many of the relevant ideas and
+   lessons learned from other specification and development efforts
+   [HTPP] [ISO10175] [LDPA] [P1387.4] [PSIS] [RFC1179] [SWP].  IPP is
+   heavily influenced by the printing model introduced in the Document
+   Printing Application (DPA) [ISO10175] standard.  Although DPA
+   specifies both end user and administrative features, IPP version 1.0
+   (IPP/1.0) focuses only on end user functionality.
+
+   The IPP/1.0 model encapsulates the important components of
+   distributed printing into two object types:
+
+     - Printer (Section 2.1)
+     - Job (Section 2.2)
+
+
+
+deBry, et al.                 Experimental                      [Page 9]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Each object type has an associated set of operations (see section 3)
+   and attributes (see section 4).
+
+   It is important, however, to understand that in real system
+   implementations (which lie underneath the abstracted IPP/1.0 model),
+   there are other components of a print service which are not
+   explicitly defined in the IPP/1.0 model. The following figure
+   illustrates where IPP/1.0 fits with respect to these other
+   components.
+
+                                +--------------+
+                                |  Application |
+                      o         +. . . . . . . |
+                     \|/        |   Spooler    |
+                     / \        +. . . . . . . |   +---------+
+                   End-User     | Print Driver |---|  File   |
+         +-----------+ +-----+  +------+-------+   +----+----+
+         |  Browser  | | GUI |         |                |
+         +-----+-----+ +--+--+         |                |
+               |          |            |                |
+               |      +---+------------+---+            |
+   N   D   S   |      |      IPP Client    |------------+
+   O   I   E   |      +---------+----------+
+   T   R   C   |                |
+   I   E   U   |
+   F   C   R   -------------- Transport ------------------
+   I   T   I
+   C   O   T                    |         --+
+   A   R   Y           +--------+--------+  |
+   T   Y               |    IPP Server   |  |
+   I                   +--------+--------+  |
+   O                            |           |
+   N                   +-----------------+  | IPP Printer
+                       |  Print Service  |  |
+                       +-----------------+  |
+                                |         --+
+                       +-----------------+
+                       | Output Device(s)|
+                       +-----------------+
+
+   An IPP Printer object encapsulates the functions normally associated
+   with physical output devices along with the spooling, scheduling and
+   multiple device management functions often associated with a print
+   server. Printer objects are optionally registered as entries in a
+   directory where end users find and select them based on some sort of
+   filtered and context based searching mechanism (see section 16).  The
+   directory is used to store relatively static information about the
+   Printer, allowing end users to search for and find Printers that
+
+
+
+deBry, et al.                 Experimental                     [Page 10]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   match their search criteria, for example: name, context, printer
+   capabilities, etc.  The more dynamic information, such as state,
+   currently loaded and ready media, number of jobs at the Printer,
+   errors, warnings, and so forth, is directly associated with the
+   Printer object itself rather than with the entry in the directory
+   which only represents the Printer object.
+
+   IPP clients implement the IPP protocol on the client side and give
+   end users (or programs running on behalf of end users) the ability to
+   query Printer objects and submit and manage print jobs.  An IPP
+   server is just that part of the Printer object that implements the
+   server-side protocol.  The rest of the Printer object implements (or
+   gateways into) the application semantics of the print service itself.
+   The Printer objects may be embedded in an output device or may be
+   implemented on a host on the network that communicates with an output
+   device.
+
+   When a job is submitted to the Printer object and the Printer object
+   validates the attributes in the submission request, the Printer
+   object creates a new Job object.  The end user then interacts with
+   this new Job object to query its status and monitor the progress of
+   the job.  End users may also cancel the print job by using the Job
+   object's Cancel-Job operation.  The notification service is out of
+   scope for IPP/1.0, but using such a notification service, the end
+   user is able to register for and receive Printer specific and Job
+   specific events.  An end user can query the status of Printer objects
+   and can follow the progress of Job objects by polling using the Get-
+   Printer-Attributes, Get-Jobs, and Get-Job-Attributes operations.
+
+2. IPP Objects
+
+   The IPP/1.0 model introduces objects of type Printer and Job.  Each
+   type of object models relevant aspects of a real-world entity such as
+   a real printer or real print job.  Each object type is defined as a
+   set of possible attributes that may be supported by instances of that
+   object type.  For each object (instance), the actual set of supported
+   attributes and values describe a specific implementation.  The
+   object's attributes and values describe its state, capabilities,
+   realizable features, job processing functions, and default behaviors
+   and characteristics.  For example, the Printer object type is defined
+   as a set of attributes that each Printer object potentially supports.
+   In the same manner, the Job object type is defined as a set of
+   attributes that are potentially supported by each Job object.
+
+   Each attribute included in the set of attributes defining an object
+   type is labeled as:
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 11]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     - "REQUIRED": each object MUST support the attribute.
+     - "OPTIONAL": each object MAY support the attribute.
+
+   There is no such similar labeling of attribute values.  However, if
+   an implementation supports an attribute, it MUST support at least one
+   of the possible values for that attribute.
+
+2.1 Printer Object
+
+   The major component of the IPP/1.0 model is the Printer object.  A
+   Printer object implements the server-side of the IPP/1.0 protocol.
+   Using the protocol, end users may query the attributes of the Printer
+   object and submit print jobs to the Printer object.  The actual
+   implementation components behind the Printer abstraction may take on
+   different forms and different configurations.  However, the model
+   abstraction allows the details of the configuration of real
+   components to remain opaque to the end user.  Section 3 describes
+   each of the Printer operations in detail.
+
+   The capabilities and state of a Printer object are described by its
+   attributes.  Printer attributes are divided into two groups:
+
+     - "job-template" attributes: These attributes describe supported
+       job processing capabilities and defaults for the Printer object.
+       (See section 4.2)
+     - "printer-description" attributes: These attributes describe the
+       Printer object's identification, state, location, references to
+       other sources of information about the Printer object, etc. (see
+       section 4.4)
+
+   Since a Printer object is an abstraction of a generic document output
+   device and print service provider, a Printer object could be used to
+   represent any real or virtual device with semantics consistent with
+   the Printer object, such as a fax device, an imager, or even a CD
+   writer.
+
+   Some examples of configurations supporting a Printer object include:
+
+     1) An output device with no spooling capabilities
+     2) An output device with a built-in spooler
+     3) A print server supporting IPP with one or more associated output
+        devices
+        3a) The associated output devices may or may not be capable of
+          spooling jobs
+        3b) The associated output devices may or may not support IPP
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 12]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   The following figures show some examples of how Printer objects can
+   be realized on top of various distributed printing configurations.
+   The embedded case below represents configurations 1 and 2. The hosted
+   and fan-out figures below represent configurations 3a and 3b.
+
+   Legend:
+
+   ##### indicates a Printer object which is
+         either embedded in an output device or is
+         hosted in a server.  The Printer object
+         might or might not be capable of queuing/spooling.
+
+   any   indicates any network protocol or direct
+         connect, including IPP
+
+
+   embedded printer:
+                                             output device
+                                           +---------------+
+    O   +--------+                         |  ###########  |
+   /|\  | client |------------IPP------------># Printer #  |
+   / \  +--------+                         |  # Object  #  |
+                                           |  ###########  |
+                                           +---------------+
+
+
+   hosted printer:
+                                           +---------------+
+    O   +--------+        ###########      |               |
+   /|\  | client |--IPP--># Printer #-any->| output device |
+   / \  +--------+        # Object  #      |               |
+                          ###########      +---------------+
+
+
+
+                                            +---------------+
+   fan out:                                 |               |
+                                        +-->| output device |
+                                    any/    |               |
+    O   +--------+      ###########   /     +---------------+
+   /|\  | client |-IPP-># Printer #--*
+   / \  +--------+      # Object  #   \     +---------------+
+                        ########### any\    |               |
+                                        +-->| output device |
+                                            |               |
+                                            +---------------+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 13]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+2.2 Job Object
+
+   A Job object is used to model a print job.  A Job object contains
+   documents.  The information required to create a Job object is sent
+   in a create request from the end user via an IPP Client to the
+   Printer object.  The Printer object validates the create request, and
+   if the Printer object accepts the request, the Printer object creates
+   the new Job object.  Section 3 describes each of the Job operations
+   in detail.
+
+   The characteristics and state of a Job object are described by its
+   attributes.  Job attributes are grouped into two groups as follows:
+
+     - "job-template" attributes: These attributes can be supplied by
+       the client or end user and include job processing instructions
+       which are intended to override any Printer object defaults and/or
+       instructions embedded within the document data. (See section 4.2)
+     - "job-description" attributes: These attributes describe the Job
+       object's identification, state, size, etc. The client supplies
+       some of these attributes, and the Printer object generates others.
+       (See section 4.3)
+
+   An implementation MUST support at least one document per Job object.
+   An implementation MAY support multiple documents per Job object.  A
+   document is either:
+
+     - a stream of document data in a format supported by the Printer
+       object (typically a Page Description Language - PDL), or
+     - a reference to such a stream of document data
+
+   In IPP/1.0, a document is not modeled as an IPP object, therefore it
+   has no object identifier or associated attributes.  All job
+   processing instructions are modeled as Job object attributes.  These
+   attributes are called Job Template attributes and they apply equally
+   to all documents within a Job object.
+
+2.3 Object Relationships
+
+   IPP objects have relationships that are maintained persistently along
+   with the persistent storage of the object attributes.
+
+   A Printer object can represent either one or more physical output
+   devices or a logical device which "processes" jobs but never actually
+   uses a physical output device to put marks on paper.  Examples of
+   logical devices include a Web page publisher or a gateway into an
+   online document archive or repository.  A Printer object contains
+   zero or more Job objects.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 14]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   A Job object is contained by exactly one Printer object, however the
+   identical document data associated with a Job object could be sent to
+   either the same or a different Printer object.  In this case, a
+   second Job object would be created which would be almost identical to
+   the first Job object, however it would have new (different) Job
+   object identifiers (see section 2.4).
+
+   A Job object is either empty (before any documents have been added)
+   or contains one or more documents.  If the contained document is a
+   stream of document data, that stream can be contained in only one
+   document.  However, there can be identical copies of the stream in
+   other documents in the same or different Job objects.  If the
+   contained document is just a reference to a stream of document data,
+   other documents (in the same or different Job object(s)) may contain
+   the same reference.
+
+2.4 Object Identity
+
+   All Printer and Job objects are identified by a Uniform Resource
+   Identifier (URI) [RFC2396] so that they can be persistently and
+   unambiguously referenced.  The notion of a URI is a useful concept,
+   however, until the notion of URI is more stable (i.e., defined more
+   completely and deployed more widely), it is expected that the URIs
+   used for IPP objects will actually be URLs [RFC2396].  Since every
+   URL is a specialized form of a URI, even though the more generic term
+   URI is used throughout the rest of this document, its usage is
+   intended to cover the more specific notion of URL as well.
+
+   An administrator configures Printer objects to either support or not
+   support authentication and/or message privacy using SSL3 [SSL] (the
+   mechanism for security configuration is outside the scope of
+   IPP/1.0).  In some situations, both types of connections (both
+   authenticated and unauthenticated) can be established using a single
+   communication channel that has some sort of negotiation mechanism.
+   In other situations, multiple communication channels are used, one
+   for each type of security configuration.  Section 8 provides a full
+   description of all security considerations and configurations.
+
+   If a Printer object supports more than one communication channel,
+   some or all of those channels might support and/or require different
+   security mechanisms.  In such cases, an administrator could expose
+   the simultaneous support for these multiple communication channels as
+   multiple URIs for a single Printer object where each URI represents
+   one of the communication channels to the Printer object. To support
+   this flexibility, the IPP Printer object type defines a multi-valued
+   identification attribute called the "printer-uri-supported"
+   attribute.  It MUST contain at least one URI.  It MAY contain more
+   than one URI.  That is, every Printer object will have at least one
+
+
+
+deBry, et al.                 Experimental                     [Page 15]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   URI that identifies at least one communication channel to the Printer
+   object, but it may have more than one URI where each URI identifies a
+   different communication channel to the Printer object.  The
+   "printer-uri-supported" attribute has a companion attribute, the
+   "uri-security-supported" attribute, that has the same cardinality as
+   "printer-uri-supported".  The purpose of the "uri-security-supported"
+   attribute is to indicate the security mechanisms (if any) used for
+   each URI listed in "printer-uri-supported".  These two attributes are
+   fully described in sections 4.4.1 and 4.4.2.
+
+   When a job is submitted to the Printer object via a create request,
+   the client supplies only a single Printer object URI.  The client
+   supplied Printer object URI MUST be one of the values in the
+   "printer-uri-supported" Printer attribute.
+
+   Note:  IPP/1.0 does not specify how the client obtains the client
+   supplied URI, but it is RECOMMENDED that a Printer object be
+   registered as an entry in a directory service.  End-users and
+   programs can then interrogate the directory searching for Printers.
+   Section 16 defines a generic schema for Printer object entries in the
+   directory service and describes how the entry acts as a bridge to the
+   actual IPP Printer object.  The entry in the directory that
+   represents the IPP Printer object includes the possibly many URIs for
+   that Printer object as values in one its attributes.
+
+   When a client submits a create request to the Printer object, the
+   Printer object validates the request and creates a new Job object.
+   The Printer object assigns the new Job object a URI which is stored
+   in the "job-uri" Job attribute.  This URI is then used by clients as
+   the target for subsequent Job operations.  The Printer object
+   generates a Job URI based on its configured security policy and the
+   URI used by the client in the create request.
+
+   For example, consider a Printer object that supports both a
+   communication channel secured by the use of SSL3 (using HTTP over
+   SSL3 with an "https" schemed URI) and another open communication
+   channel that is not secured with SSL3 (using a simple "http" schemed
+   URI).  If a client were to submit a job using the secure URI, the
+   Printer object would assign the new Job object a secure URI as well.
+   If a client were to submit a job using the open-channel URI, the
+   Printer would assign the new Job object an open-channel URI.
+
+   In addition, the Printer object also populates the Job object's
+   "job-printer-uri" attribute.  This is a reference back to the Printer
+   object that created the Job object.  If a client only has access to a
+   Job object's "job-uri" identifier, the client can query the Job's
+   "job-printer-uri" attribute in order to determine which Printer
+   object created the Job object.  If the Printer object supports more
+
+
+
+deBry, et al.                 Experimental                     [Page 16]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   than one URI, the Printer object picks the one URI supplied by the
+   client when creating the job to build the value for and to populate
+   the Job's "job-printer-uri" attribute.
+
+   Allowing Job objects to have URIs allows for flexibility and
+   scalability.  For example, in some implementations, the Printer
+   object might create Jobs that are processed in the same local
+   environment as the Printer object itself.  In this case, the Job URI
+   might just be a composition of the Printer's URI and some unique
+   component for the Job object, such as the unique 32-bit positive
+   integer mentioned later in this paragraph.  In other implementations,
+   the Printer object might be a central clearing-house for validating
+   all Job object creation requests, but the Job object itself might be
+   created in some environment that is remote from the Printer object.
+   In this case, the Job object's URI may have no physical-location
+   relationship at all to the Printer object's URI.  Again, the fact
+   that Job objects have URIs allows for flexibility and scalability,
+   however, many existing printing systems have local models or
+   interface constraints that force print jobs to be identified using
+   only a 32-bit positive integer rather than an independent URI.  This
+   numeric Job ID is only unique within the context of the Printer
+   object to which the create request was originally submitted.
+   Therefore, in order to allow both types of client access to IPP Job
+   objects (either by Job URI or by numeric Job ID), when the Printer
+   object successfully processes a create request and creates a new Job
+   object, the Printer object MUST generate both a Job URI and a Job ID.
+   The Job ID (stored in the "job-id" attribute) only has meaning in the
+   context of the Printer object to which the create request was
+   originally submitted. This requirement to support both Job URIs and
+   Job IDs allows all types of clients to access Printer objects and Job
+   objects no matter the local constraints imposed on the client
+   implementation.
+
+   In addition to identifiers, Printer objects and Job objects have
+   names ("printer-name" and "job-name").  An object name NEED NOT be
+   unique across all instances of all objects. A Printer object's name
+   is chosen and set by an administrator through some mechanism outside
+   the scope of IPP/1.0.  A Job object's name is optionally chosen and
+   supplied by the IPP client submitting the job.  If the client does
+   not supply a Job object name, the Printer object generates a name for
+   the new Job object.  In all cases, the name only has local meaning.
+
+   To summarize:
+
+     - Each Printer object is identified with one or more URIs.  The
+       Printer's "printer-uri-supported" attribute contains the URI(s).
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 17]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     - The Printer object's "uri-security-supported" attribute
+       identifies the communication channel security protocols that may
+       or may not have been configured for the various Printer object
+       URIs (e.g., 'ssl3' or 'none').
+     - Each Job object is identified with a Job URI.  The Job's "job-uri"
+       attribute contains the URI.
+     - Each Job object is also identified with Job ID which is a 32-bit,
+       positive integer.  The Job's "job-id" attribute contains the Job
+       ID.  The Job ID is only unique within the context of the Printer
+       object  which created the Job object.
+     - Each Job object has a "job-printer-uri" attribute which contains
+       the URI of the Printer object that was used to create the Job
+       object.  This attribute is used to determine the Printer object
+       that created a Job object when given only the URI for the Job
+       object.  This linkage is necessary to determine the languages,
+       charsets, and operations which are supported on that Job (the
+       basis for such support comes from the creating Printer object).
+     - Each Printer object has a name (which is not necessarily unique).
+       The administrator chooses and sets this name through some
+       mechanism outside the scope of IPP/1.0 itself.  The Printer
+       object's "printer-name" attribute contains the name.
+     - Each Job object has a name (which is not necessarily unique).  The
+       client optionally supplies this name in the create request.  If
+       the client does not supply this name, the Printer object generates
+       a name for the Job object. The Job object's "job-name" attribute
+       contains the name.
+
+3. IPP Operations
+
+   IPP objects support operations.  An operation consists of a request
+   and a response.  When a client communicates with an IPP object, the
+   client issues an operation request to the URI for that object.
+   Operation requests and responses have parameters that identify the
+   operation.  Operations also have attributes that affect the run-time
+   characteristics of the operation (the intended target, localization
+   information, etc.).  These operation-specific attributes are called
+   operation attributes (as compared to object attributes such as
+   Printer object attributes or Job object attributes).  Each request
+   carries along with it any operation attributes, object attributes,
+   and/or document data required to perform the operation.  Each request
+   requires a response from the object.  Each response indicates success
+   or failure of the operation with a status code as a response
+   parameter.  The response contains any operation attributes, object
+   attributes, and/or status messages generated during the execution of
+   the operation request.
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 18]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   This section describes the semantics of the IPP operations, both
+   requests and responses, in terms of the parameters, attributes, and
+   other data associated with each operation.
+
+   The IPP/1.0 Printer operations are:
+
+     Print-Job (section 3.2.1)
+     Print-URI (section 3.2.2)
+     Validate-Job (section 3.2.3)
+     Create-Job (section 3.2.4)
+     Get-Printer-Attributes (section 3.2.5)
+     Get-Jobs (section 3.2.6)
+
+   The Job operations are:
+
+     Send-Document (section 3.3.1)
+     Send-URI (section 3.3.2)
+     Cancel-Job (section 3.3.3)
+     Get-Job-Attributes (section 3.3.4)
+
+   The Send-Document and Send-URI Job operations are used to add a new
+   document to an existing multi-document Job object created using the
+   Create-Job operation.
+
+3.1 Common Semantics
+
+   All IPP operations require some common parameters and operation
+   attributes.  These common elements and their semantic characteristics
+   are defined and described in more detail in the following sections.
+
+3.1.1 Required Parameters
+
+   Every operation request contains the following REQUIRED parameters:
+
+     - a "version-number",
+     - an "operation-id",
+     - a "request-id", and
+     - the attributes that are REQUIRED for that type of request.
+
+   Every operation response contains the following REQUIRED parameters:
+
+     - a "version-number",
+     - a "status-code",
+     - the "request-id" that was supplied in the corresponding request,
+        and
+     - the attributes that are REQUIRED for that type of response.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 19]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   The encoding and transport document [RFC2565] defines special rules
+   for the encoding of these parameters.  All other operation elements
+   are represented using the more generic encoding rules for attributes
+   and groups of attributes.
+
+3.1.2 Operation IDs and Request IDs
+
+   Each IPP operation request includes an identifying "operation-id"
+   value.  Valid values are defined in the "operations-supported"
+   Printer attribute section (see section 4.4.13).  The client specifies
+   which operation is being requested by supplying the correct
+   "operation-id" value.
+
+   In addition, every invocation of an operation is identified by a
+   "request-id" value. For each request, the client chooses the
+   "request-id" which MUST be an integer (possibly unique depending on
+   client requirements) in the range from 1 to 2**31 - 1 (inclusive).
+   This "request-id" allows clients to manage multiple outstanding
+   requests. The receiving IPP object copies all 32-bits of the client-
+   supplied "request-id" attribute into the response so that the client
+   can match the response with the correct outstanding request, even if
+   the "request-id" is out of range.  If the request is terminated
+   before the complete "request-id" is received, the IPP object rejects
+   the request and returns a response with a "request-id" of 0.
+
+   Note: In some cases, the transport protocol underneath IPP might be a
+   connection oriented protocol that would make it impossible for a
+   client to receive responses in any order other than the order in
+   which the corresponding requests were sent.  In such cases, the
+   "request-id" attribute would not be essential for correct protocol
+   operation.  However, in other mappings, the operation responses can
+   come back in any order.  In these cases, the "request-id" would be
+   essential.
+
+3.1.3 Attributes
+
+   Operation requests and responses are both composed of groups of
+   attributes and/or document data.  The attributes groups are:
+
+     - Operation Attributes: These attributes are passed in the
+       operation and affect the IPP object's behavior while processing
+       the operation request and may affect other attributes or groups
+       of attributes.  Some operation attributes describe the document
+       data associated with the print job and are associated with new
+       Job objects, however most operation attributes do not persist
+       beyond the life of the operation.  The description of each
+       operation attribute includes conformance statements indicating
+       which operation attributes are REQUIRED and which are OPTIONAL
+
+
+
+deBry, et al.                 Experimental                     [Page 20]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+       for an IPP object to support and which attributes a client MUST
+       supply in a request and an IPP object MUST supply in a response.
+     - Job Template Attributes: These attributes affect the processing
+       of a job.  A client OPTIONALLY supplies Job Template Attributes
+       in a create request, and the receiving object MUST be prepared to
+       receive all supported attributes.  The Job object can later be
+       queried to find out what Job Template attributes were originally
+       requested in the create request, and such attributes are returned
+       in the response as Job Object Attributes.  The Printer object can
+       be queried about its Job Template attributes to find out what
+       type of job processing capabilities are supported and/or what the
+       default job processing behaviors are, though such attributes are
+       returned in the response as Printer Object Attributes.  The
+       "ipp-attribute-fidelity" operation attribute affects processing
+       of all client-supplied Job Template attributes (see section 15
+       for a full description of "ipp-attribute-fidelity" and its
+       relationship to other attributes).
+     - Job Object Attributes: These attributes are returned in response
+       to a query operation directed at a Job object.
+     - Printer Object Attributes: These attributes are returned in
+       response to a query operation directed at a Printer object.
+     - Unsupported Attributes: In a create request, the client supplies
+       a set of Operation and Job Template attributes.  If any of these
+       attributes or their values is unsupported by the Printer object,
+       the Printer object returns the set of unsupported attributes in
+       the response.  Section 15 gives a full description of how Job
+       Template attributes supplied by the client in a create request
+       are processed by the Printer object and how unsupported
+       attributes are returned to the client.  Because of extensibility,
+       any IPP object might receive a request that contains new or
+       unknown attributes or values for which it has no support. In such
+       cases, the IPP object processes what it can and returns the
+       unsupported attributes in the response.
+
+   Later in this section, each operation is formally defined by
+   identifying the allowed and expected groups of attributes for each
+   request and response.  The model identifies a specific order for each
+   group in each request or response, but the attributes within each
+   group may be in any order, unless specified otherwise.
+
+   Each attribute specification includes the attribute's name followed
+   by the name of its attribute syntax(es) in parenthesizes.  In
+   addition, each 'integer' attribute is followed by the allowed range
+   in parentheses, (m:n), for values of that attribute.  Each 'text' or
+   'name' attribute is followed by the maximum size in octets in
+   parentheses, (size), for values of that attribute. For more details
+   on attribute syntax notation, see the descriptions of these
+   attributes syntaxes in section 4.1.
+
+
+
+deBry, et al.                 Experimental                     [Page 21]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Note: Document data included in the operation is not strictly an
+   attribute, but it is treated as a special attribute group for
+   ordering purposes.  The only operations that support supplying the
+   document data within an operation request are Print-Job and Send-
+   Document.  There are no operation responses that include document
+   data.
+
+   Note: Some operations are REQUIRED for IPP objects to support; the
+   others are OPTIONAL (see section 5.2.2).  Therefore, before using an
+   OPTIONAL operation, a client SHOULD first use the REQUIRED Get-
+   Printer-Attributes operation to query the Printer's "operations-
+   supported" attribute in order to determine which OPTIONAL Printer and
+   Job operations are actually supported.  The client SHOULD NOT use an
+   OPTIONAL operation that is not supported.  When an IPP object
+   receives a request to perform an operation it does not support, it
+   returns the 'server-error-operation-not-supported' status code (see
+   section 13.1.5.2).  An IPP object is non-conformant if it does not
+   support a REQUIRED operation.
+
+3.1.4 Character Set and Natural Language Operation Attributes
+
+   Some Job and Printer attributes have values that are text strings and
+   names intended for human understanding rather than machine
+   understanding (see the 'text' and 'name' attribute syntax
+   descriptions in section 4.1).  The following sections describe two
+   special Operation Attributes called "attributes-charset" and
+   "attributes-natural-language".  These attributes are always part of
+   the Operation Attributes group.  For most attribute groups, the order
+   of the attributes within the group is not important.  However, for
+   these two attributes within the Operation Attributes group, the order
+   is critical.  The "attributes-charset" attribute MUST be the first
+   attribute in the group and the "attributes-natural-language"
+   attribute MUST be the second attribute in the group.  In other words,
+   these attributes MUST be supplied in every IPP request and response,
+   they MUST come first in the group, and MUST come in the specified
+   order.  For job creation operations, the IPP Printer implementation
+   saves these two attributes with the new Job object as Job Description
+   attributes.  For the sake of brevity in this document, these
+   operation attribute descriptions are not repeated with every
+   operation request and response, but have a reference back to this
+   section instead.
+
+3.1.4.1 Request Operation Attributes
+
+   The client MUST supply and the Printer object MUST support the
+   following REQUIRED operation attributes in every IPP/1.0 operation
+   request:
+
+
+
+
+deBry, et al.                 Experimental                     [Page 22]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     "attributes-charset" (charset):
+        This operation attribute identifies the charset (coded character
+        set and encoding method) used by any 'text' and 'name'
+        attributes that the client is supplying in this request.  It
+        also identifies the charset that the Printer object MUST use (if
+        supported) for all 'text' and 'name' attributes and status
+        messages that the Printer object returns in the response to this
+        request. See Sections 4.1.1 and 4.1.2 for the specification of
+        the 'text' and 'name' attribute syntaxes.
+
+        All clients and IPP objects MUST support the 'utf-8' charset
+        [RFC2279] and MAY support additional charsets provided that they
+        are registered with IANA [IANA-CS].  If the Printer object does
+        not support the client supplied charset value, the Printer
+        object MUST reject the request, set the "attributes-charset" to
+        'utf-8' in the response, and return the 'client-error-charset-
+        not-supported' status code and any 'text' or 'name' attributes
+        using the 'utf-8' charset.  The Printer object MUST indicate the
+        charset(s) supported as the values of the "charset-supported"
+        Printer attribute (see Section 4.4.15), so that the client can
+        query to determine which charset(s) are supported.
+
+        Note to client implementers: Since IPP objects are only required
+        to support the 'utf-8' charset, in order to maximize
+        interoperability with multiple IPP object implementations, a
+        client may want to supply 'utf-8' in the "attributes-charset"
+        operation attribute, even though the client is only passing and
+        able to present a simpler charset, such as US-ASCII or ISO-
+        8859-1.  Then the client will have to filter out (or charset
+        convert) those characters that are returned in the response that
+        it cannot present to its user.  On the other hand, if both the
+        client and the IPP objects also support a charset in common
+        besides utf-8, the client may want to use that charset in order
+        to avoid charset conversion or data loss.
+
+        See the 'charset' attribute syntax description in Section 4.1.7
+        for the syntax and semantic interpretation of the values of this
+        attribute and for example values.
+
+     "attributes-natural-language" (naturalLanguage):
+        This operation attribute identifies the natural language used by
+        any 'text' and 'name' attributes that the client is supplying in
+        this request.  This attribute also identifies the natural
+        language that the Printer object SHOULD use for all 'text' and '
+        name' attributes and status messages that the Printer object
+        returns in the response to this request.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 23]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        There are no REQUIRED natural languages required for the Printer
+        object to support.  However, the Printer object's "generated-
+        natural-language-supported" attribute identifies the natural
+        languages supported by the Printer object and any contained Job
+        objects for all text strings generated by the IPP object.  A
+        client MAY query this attribute to determine which natural
+        language(s) are supported for generated messages.
+
+        For any of the attributes for which the Printer object generates
+        text, i.e., for the "job-state-message", "printer-state-
+        message", and status messages (see Section 3.1.6), the Printer
+        object MUST be able to generate these text strings in any of its
+        supported natural languages.  If the client requests a natural
+        language that is not supported, the Printer object MUST return
+        these generated messages in the Printer's configured natural
+        language as specified by the Printer's "natural-language-
+        configured" attribute" (see Section 4.4.16).
+
+        For other 'text' and 'name' attributes supplied by the client,
+        authentication system, operator, system administrator, or
+        manufacturer (i.e., for "job-originating-user-name", "printer-
+        name" (name), "printer-location" (text), "printer-info" (text),
+        and "printer-make-and-model" (text)), the Printer object is only
+        required to support the configured natural language of the
+        Printer identified by the Printer object's "natural-language-
+        configured" attribute, though support of additional natural
+        languages for these attributes is permitted.
+
+        For any 'text' or 'name' attribute in the request that is in a
+        different natural language than the value supplied in the
+        "attributes-natural-language" operation attribute, the client
+        MUST use the Natural Language Override mechanism (see sections
+        4.1.1.2 and 4.1.2.2) for each such attribute value supplied.
+        The client MAY use the Natural Language Override mechanism
+        redundantly, i.e., use it even when the value is in the same
+        natural language as the value supplied in the "attributes-
+        natural-language" operation attribute of the request.
+
+        The IPP object MUST accept any natural language and any Natural
+        Language Override, whether the IPP object supports that natural
+        language or not (and independent of the value of the "ipp-
+        attribute-fidelity" Operation attribute).  That is the IPP
+        object accepts all client supplied values no matter what the
+        values are in the Printer object's "generated-natural-language-
+        supported" attribute.  That attribute, "generated-natural-
+        language-supported", only applies to generated messages,
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 24]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        not client supplied messages.  The IPP object MUST remember that
+        natural language for all client-supplied attributes, and when
+        returning those attributes in response to a query, the IPP
+        object MUST indicate that natural language.
+
+        Each value whose attribute syntax type is 'text' or 'name' (see
+        sections 4.1.1 and 4.1.2) has an Associated Natural-Language.
+        This document does not specify how this association is stored in
+        a Printer or Job object.  When such a value is encoded in a
+        request or response, the natural language is either implicit or
+        explicit:
+
+             - In the implicit case, the value contains only the
+               text/name value, and the language is specified by the
+               "attributes-natural-language" operation attribute in the
+               request or response (see sections 4.1.1.1
+               textWithoutLanguage and 4.1.2.1 nameWithoutLanguage).
+
+             - In the explicit case (also known as the Natural-Language
+               Override case), the value contains both the language and
+               the text/name value (see sections 4.1.1.2
+               textWithLanguage and 4.1.2.2 nameWithLanguage).
+
+        For example, the "job-name" attribute MAY be supplied by the
+        client in a create request.  The text value for this attribute
+        will be in the natural language identified by the "attribute-
+        natural-language" attribute, or if different, as identified by
+        the Natural Language Override mechanism.  If supplied, the IPP
+        object will use the value of the "job-name" attribute to
+        populate the Job object's "job-name" attribute.  Whenever any
+        client queries the Job object's "job-name" attribute, the IPP
+        object returns the attribute as stored and uses the Natural
+        Language Override mechanism to specify the natural language, if
+        it is different from that reported in the "attributes-natural-
+        language" operation attribute of the response.  The IPP object
+        MAY use the Natural Language Override mechanism redundantly,
+        i.e., use it even when the value is in the same natural language
+        as the value supplied in the "attributes-natural-language"
+        operation attribute of the response.
+
+        An IPP object MUST NOT reject a request based on a supplied
+        natural language in an "attributes-natural-language" Operation
+        attribute or in any attribute that uses the Natural Language
+        Override.
+
+        See the 'naturalLanguage' attribute syntax description in
+        section 4.1.8 for the syntax and semantic interpretation of the
+        values of this attribute and for example values.
+
+
+
+deBry, et al.                 Experimental                     [Page 25]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Clients SHOULD NOT supply 'text' or 'name' attributes that use an
+   illegal combination of natural language and charset.  For example,
+   suppose a Printer object supports charsets 'utf-8', 'iso-8859-1', and
+   'iso-8859-7'.  Suppose also, that it supports natural languages 'en'
+   (English), 'fr' (French), and 'el' (Greek).  Although the Printer
+   object supports the charset 'iso-8859-1' and natural language 'el',
+   it probably does not support the combination of Greek text strings
+   using the 'iso-8859-1' charset.  The Printer object handles this
+   apparent incompatibility differently depending on the context in
+   which it occurs:
+
+     - In a create request: If the client supplies a text or name
+       attribute (for example, the "job-name" operation attribute) that
+       uses an apparently incompatible combination, it is a client
+       choice that does not affect the Printer object or its correct
+       operation.  Therefore, the Printer object simply accepts the
+       client supplied value, stores it with the Job object, and
+       responds back with the same combination whenever the client (or
+       any client) queries for that attribute.
+     - In a query-type operation, like Get-Printer-Attributes: If the
+       client requests an apparently incompatible combination, the
+       Printer object responds (as described in section 3.1.4.2) using
+       the Printer's configured natural language rather than the natural
+       language requested by the client.
+
+   In either case, the Printer object does not reject the request
+   because of the apparent incompatibility.  The potential incompatible
+   combination of charset and natural language can occur either at the
+   global operation level or at the Natural Language Override
+   attribute-by-attribute level.  In addition, since the response always
+   includes explicit charset and natural language information, there is
+   never any question or ambiguity in how the client interprets the
+   response.
+
+3.1.4.2 Response Operation Attributes
+
+   The Printer object MUST supply and the client MUST support the
+   following REQUIRED operation attributes in every IPP/1.0 operation
+   response:
+
+     "attributes-charset" (charset):
+        This operation attribute identifies the charset used by any '
+        text' and 'name' attributes that the Printer object is returning
+        in this response.  The value in this response MUST be the same
+        value as the "attributes-charset" operation attribute supplied
+        by the client in the request.  If this is not possible
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 26]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        (i.e., the charset requested is not supported), the request
+        would have been rejected.  See "attributes-charset" described in
+        Section 3.1.4.1 above.
+
+        If the Printer object supports more than just the 'utf-8'
+        charset, the Printer object MUST be able to code convert between
+        each of the charsets supported on a highest fidelity possible
+        basis in order to return the 'text' and 'name' attributes in the
+        charset requested by the client.  However, some information loss
+        MAY occur during the charset conversion depending on the
+        charsets involved.  For example, the Printer object may convert
+        from a UTF-8 'a' to a US-ASCII 'a' (with no loss of
+        information), from an ISO Latin 1 CAPITAL LETTER A WITH ACUTE
+        ACCENT to US-ASCII 'A' (losing the accent), or from a UTF-8
+        Japanese Kanji character to some ISO Latin 1 error character
+        indication such as '?', decimal code equivalent, or to the
+        absence of a character, depending on implementation.
+
+        Note: Whether an implementation that supports more than one
+        charset stores the data in the charset supplied by the client or
+        code converts to one of the other supported charsets, depends on
+        implementation.  The strategy should try to minimize loss of
+        information during code conversion.  On each response, such an
+        implementation converts from its internal charset to that
+        requested.
+
+     "attributes-natural-language" (naturalLanguage):
+        This operation attribute identifies the natural language used by
+        any 'text' and 'name' attributes that the IPP object is
+        returning in this response.  Unlike the "attributes-charset"
+        operation attribute, the IPP object NEED NOT return the same
+        value as that supplied by the client in the request.  The IPP
+        object MAY return the natural language of the Job object or the
+        Printer's configured natural language as identified by the
+        Printer object's "natural-language-configured" attribute, rather
+        than the natural language supplied by the client.  For any '
+        text' or 'name' attribute or status message in the response that
+        is in a different natural language than the value returned in
+        the "attributes-natural-language" operation attribute, the IPP
+        object MUST use the Natural Language Override mechanism (see
+        sections 4.1.1.2 and 4.1.2.2) on each attribute value returned.
+        The IPP object MAY use the Natural Language Override mechanism
+        redundantly, i.e., use it even when the value is in the same
+        natural language as the value supplied in the "attributes-
+        natural-language" operation attribute of the response.
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 27]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+3.1.5 Operation Targets
+
+   All IPP operations are directed at IPP objects.  For Printer
+   operations, the operation is always directed at a Printer object
+   using one of its URIs (i.e., one of the values in the Printer
+   object's "printer-uri-supported" attribute).  Even if the Printer
+   object supports more than one URI, the client supplies only one URI
+   as the target of the operation.  The client identifies the target
+   object by supplying the correct URI in the "printer-uri (uri)"
+   operation attribute.
+
+   For Job operations, the operation is directed at either:
+
+     - The Job object itself using the Job object's URI.  In this case,
+       the client identifies the target object by supplying the correct
+       URI in the "job-uri (uri)" operation attribute.
+     - The Printer object that created the Job object using both the
+       Printer objects URI and the Job object's Job ID.  Since the
+       Printer object that created the Job object generated the Job ID,
+       it MUST be able to correctly associate the client supplied Job ID
+       with the correct Job object.  The client supplies the Printer
+       object's URI in the "printer-uri (uri)" operation attribute and
+       the Job object's Job ID in the "job-id (integer(1:MAX))"
+       operation attribute.
+
+   If the operation is directed at the Job object directly using the Job
+   object's URI, the client MUST NOT include the redundant "job-id"
+   operation attribute.
+
+   The operation target attributes are REQUIRED operation attributes
+   that MUST be included in every operation request.  Like the charset
+   and natural language attributes (see section 3.1.4), the operation
+   target attributes are specially ordered operation attributes.  In all
+   cases, the operation target attributes immediately follow the
+   "attributes-charset" and "attributes-natural-language" attributes
+   within the operation attribute group, however the specific ordering
+   rules are:
+
+     - In the case where there is only one operation target attribute
+       (i.e., either only the "printer-uri" attribute or only the "job-
+       uri" attribute), that attribute MUST be the third attribute in
+       the operation attributes group.
+     - In the case where Job operations use two operation target
+       attributes (i.e., the "printer-uri" and "job-id" attributes), the
+       "printer-uri" attribute MUST be the third attribute and the
+       "job-id" attribute MUST be the fourth attribute.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 28]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   In all cases, the target URIs contained within the body of IPP
+   operation requests and responses must be in absolute format rather
+   than relative format (a relative URL identifies a resource with the
+   scope of the HTTP server, but does not include scheme, host or port).
+
+   The following rules apply to the use of port numbers in URIs that
+   identify IPP objects:
+
+     1. If the URI scheme allows the port number to be explicitly
+        included in the URI string, and a port number is specified
+        within the URI, then that port number MUST be used by the client
+        to contact the IPP object.
+
+     2. If the URI scheme allows the port number to be explicitly
+        included in the URI string, and a port number is not specified
+        within the URI, then default port number implied by that URI
+        scheme MUST be used by the client to contact the IPP object.
+
+     3. If the URI scheme does not allow an explicit port number to be
+        specified within the URI, then the default port number implied
+        by that URI MUST be used by the client to contact the IPP
+        object.
+
+   Note: The IPP encoding and transport document [RFC2565] shows a
+   mapping of IPP onto HTTP/1.1 and defines a new default port number
+   for using IPP over HTTP/1.1.
+
+3.1.6 Operation Status Codes and Messages
+
+   Every operation response includes a REQUIRED "status-code" parameter
+   and an OPTIONAL "status-message" operation attribute.  The "status-
+   code" provides information on the processing of a request.  A
+   "status-message" attribute provides a short textual description of
+   the status of the operation.  The status code is intended for use by
+   automata, and the status message is intended for the human end user.
+   If a response does include a "status-message" attribute, an IPP
+   client NEED NOT examine or display the message, however it SHOULD do
+   so in some implementation specific manner.
+
+   The "status-code" value is a numeric value that has semantic meaning.
+   The "status-code" syntax is similar to a "type2 enum" (see section
+   4.1 on "Attribute Syntaxes") except that values can range only from
+   0x0000 to 0x7FFF.  Section 13 describes the status codes, assigns the
+   numeric values, and suggests a corresponding status message for each
+   status code.  The "status-message" attribute's syntax is "text(255)".
+   A client implementation of IPP SHOULD convert status code values into
+   any localized message that has semantic meaning to the end user.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 29]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   If the Printer object supports the "status-message" operation
+   attribute, the Printer object MUST be able to generate this message
+   in any of the natural languages identified by the Printer object's
+   "generated-natural-language-supported" attribute (see the
+   "attributes-natural-language" operation attribute specified in
+   section 3.1.4.1).  As described in section 3.1.4.1 for any returned '
+   text' attribute, if there is a choice for generating this message,
+   the Printer object uses the natural language indicated by the value
+   of the "attributes-natural-language" in the client request if
+   supported, otherwise the Printer object uses the value in the Printer
+   object's own "natural-language-configured" attribute.  If the Printer
+   object supports the "status-message" operation attribute, it SHOULD
+   use the REQUIRED 'utf-8' charset to return a status message for the
+   following error status codes (see section 13): 'client-error-bad-
+   request', 'client-error-charset-not-supported', 'server-error-
+   internal-error', 'server-error-operation-not-supported', and '
+   server-error-version-not-supported'.  In this case, it MUST set the
+   value of the "attributes-charset" operation attribute to 'utf-8' in
+   the error response.
+
+3.1.7 Versions
+
+   Each operation request and response carries with it a "version-
+   number" parameter.  Each value of the "version-number" is in the form
+   "X.Y" where X is the major version number and Y is the minor version
+   number.  By including a version number in the client request, it
+   allows the client  to identify which version of IPP it is interested
+   in using.  If the IPP object does not support that version, the
+   object responds with a status code of 'server-error-version-not-
+   supported' along with the closest version number that is supported
+   (see section 13.1.5.4).
+
+   There is no version negotiation per se.  However, if after receiving
+   a 'server-error-version-not-supported' status code from an IPP
+   object, there is nothing that prevents a client from trying again
+   with a different version number. In order to conform to IPP/1.0, an
+   implementation MUST support at least version '1.0'.
+
+   There is only one notion of "version number" that covers both IPP
+   Model and IPP Protocol changes. Thus the version number MUST change
+   when introducing a new version of the Model and Semantics document
+   [RFC2566] or a new version of the Encoding and Transport document
+   [RFC2565].
+
+   Changes to the major version number indicate structural or syntactic
+   changes that make it impossible for older version of IPP clients and
+   Printer objects to correctly parse and process the new or changed
+   attributes, operations and responses.  If the major version number
+
+
+
+deBry, et al.                 Experimental                     [Page 30]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   changes, the minor version numbers is set to zero.  As an example,
+   adding the "ipp-attribute-fidelity" attribute (if it had not been
+   part of version '1.0'), would have required a change to the major
+   version number.  Items that might affect the changing of the major
+   version number include any changes to the Model and Semantics
+   document [RFC2566] or the Encoding and Transport [RFC2565] itself,
+   such as:
+
+     - reordering of ordered attributes or attribute sets
+     - changes to the syntax of existing attributes
+     - changing Operation or Job Template attributes from OPTIONAL to
+       REQUIRED and vice versa
+     - adding REQUIRED (for an IPP object to support) operation
+       attributes
+     - adding REQUIRED (for an IPP object to support) operation
+       attribute groups
+     - adding values to existing operation attributes
+     - adding REQUIRED operations
+
+   Changes to the minor version number indicate the addition of new
+   features, attributes and attribute values that may not be understood
+   by all IPP objects, but which can be ignored if not understood.
+   Items that might affect the changing of the minor version number
+   include any changes to the model objects and attributes but not the
+   encoding and transport rules [RFC2565] (except adding attribute
+   syntaxes).  Examples of such changes are:
+
+     - grouping all extensions not included in a previous version into
+       a new version
+     - adding new attribute values
+     - adding new object attributes
+     - adding OPTIONAL (for an IPP object to support) operation
+       attributes (i.e., those attributes that an IPP object can ignore
+       without confusing clients)
+     - adding OPTIONAL (for an IPP object to support) operation
+       attribute groups (i.e., those attributes that an IPP object can
+       ignore without confusing clients)
+     - adding new attribute syntaxes
+     - adding OPTIONAL operations
+     - changing Job Description attributes or Printer Description
+       attributes from OPTIONAL to REQUIRED or vice versa.
+
+   The encoding of the "operation-id", the "version-number", the
+   "status-code", and the "request-id" MUST NOT change over any version
+   number (either major or minor).  This rule guarantees that all future
+   versions will be backwards compatible with all previous versions (at
+   least for checking the "operation-id", the "version-number", and the
+   "request-id").  In addition, any protocol elements (attributes, error
+
+
+
+deBry, et al.                 Experimental                     [Page 31]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   codes, tags, etc.) that are not carried forward from one version to
+   the next are deprecated so that they can never be reused with new
+   semantics.
+
+   Implementations that support a certain major version NEED NOT support
+   ALL previous versions.  As each new major version is defined (through
+   the release of a new specification), that major version will specify
+   which previous major versions MUST be supported in compliant
+   implementations.
+
+3.1.8 Job Creation Operations
+
+   In order to "submit a print job" and create a new Job object, a
+   client issues a create request.  A create request is any one of
+   following three operation requests:
+
+     - The Print-Job Request: A client that wants to submit a print job
+       with only a single document uses the Print-Job operation.  The
+       operation allows for the client to "push" the document data to
+       the Printer object by including the document data in the request
+       itself.
+
+     - The Print-URI Request: A client that wants to submit a print job
+       with only a single document (where the Printer object "pulls" the
+       document data instead of the client "pushing" the data to the
+       Printer object) uses the Print-URI operation.   In this case, the
+       client includes in the request only a URI reference to the
+       document data (not the document data itself).
+
+     - The Create-Job Request: A client that wants to submit a print job
+       with multiple documents uses the Create-Job operation.  This
+       operation is followed by an arbitrary number of Send-Document
+       and/or Send-URI operations (each creating another document for
+       the newly create Job object).  The Send-Document operation
+       includes the document data in the request (the client "pushes"
+       the document data to the printer), and the Send-URI operation
+       includes only a URI reference to the document data in the request
+       (the Printer "pulls" the document data from the referenced
+       location).  The last Send-Document or Send-URI request for a
+       given Job object includes a "last-document" operation attribute
+       set to 'true' indicating that this is the last request.
+
+   Throughout this model specification, the term "create request" is
+   used to refer to any of these three operation requests.
+
+   A Create-Job operation followed by only one Send-Document operation
+   is semantically equivalent to a Print-Job operation, however, for
+   performance reasons, the client SHOULD use the Print-Job operation
+
+
+
+deBry, et al.                 Experimental                     [Page 32]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   for all single document jobs.  Also, Print-Job is a REQUIRED
+   operation (all implementations MUST support it) whereas Create-Job is
+   an OPTIONAL operation, hence some implementations might not support
+   it.
+
+   Job submission time is the point in time when a client issues a
+   create request.  The initial state of every Job object is the '
+   pending' or 'pending-held' state.  Later, the Printer object begins
+   processing the print job.  At this point in time, the Job object's
+   state moves to 'processing'.  This is known as job processing time.
+   There are validation checks that must be done at job submission time
+   and others that must be performed at job processing time.
+
+   At job submission time and at the time a Validate-Job operation is
+   received, the Printer MUST do the following:
+
+     1. Process the client supplied attributes and either accept or
+        reject the request
+     2. Validate the syntax of and support for the scheme of any client
+        supplied URI
+
+   At job submission time the Printer object MUST validate whether or
+   not the supplied attributes, attribute syntaxes, and values are
+   supported by matching them with the Printer object's corresponding
+   "xxx-supported" attributes.  See section 3.2.1.2 for details.  [ipp-
+   iig] presents suggested steps for an IPP object to either accept or
+   reject any request and additional steps for processing create
+   requests.
+
+   At job submission time the Printer object NEED NOT perform the
+   validation checks reserved for job processing time such as:
+
+     1. Validating the document data
+     2. Validating the actual contents of any client supplied URI
+        (resolve the reference and follow the link to the document data)
+
+   At job submission time, these additional job processing time
+   validation checks are essentially useless, since they require
+   actually parsing and interpreting the document data, are not
+   guaranteed to be 100% accurate, and MUST be done, yet again, at job
+   processing time.  Also, in the case of a URI, checking for
+   availability at job submission time does not guarantee availability
+   at job processing time.   In addition, at job processing time, the
+   Printer object might discover any of the following conditions that
+   were not detectable at job submission time:
+
+     - runtime errors in the document data,
+     - nested document data that is in an unsupported format,
+
+
+
+deBry, et al.                 Experimental                     [Page 33]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     - the URI reference is no longer valid (i.e., the server hosting
+       the document might be down), or
+     - any other job processing error
+
+   At job processing time, since the Printer object has already
+   responded with a successful status code in the response to the create
+   request, if the Printer object detects an error, the Printer object
+   is unable to inform the end user of the error with an operation
+   status code.   In this case, the Printer, depending on the error, can
+   set the "job-state", "job-state-reasons", or "job-state-message"
+   attributes to the appropriate value(s) so that later queries can
+   report the correct job status.
+
+   Note: Asynchronous notification of events is outside the scope of
+   IPP/1.0.
+
+3.2 Printer Operations
+
+   All Printer operations are directed at Printer objects.  A client
+   MUST always supply the "printer-uri" operation attribute in order to
+   identify the correct target of the operation.
+
+3.2.1 Print-Job Operation
+
+   This REQUIRED operation allows a client to submit a print job with
+   only one document and supply the document data (rather than just a
+   reference to the data).  See Section 15 for the suggested steps for
+   processing create operations and their Operation and Job Template
+   attributes.
+
+3.2.1.1 Print-Job Request
+
+   The following groups of attributes are supplied as part of the
+   Print-Job Request:
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.  The Printer object
+        MUST copy these values to the corresponding Job Description
+        attributes described in sections 4.3.23 and 4.3.24.
+
+     Target:
+        The "printer-uri" (uri) operation attribute which is the target
+        for this operation as described in section 3.1.5.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 34]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+     "job-name" (name(MAX)):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  It contains the client
+        supplied Job name.  If this attribute is supplied by the client,
+        its value is used for the "job-name" attribute of the newly
+        created Job object.  The client MAY automatically include any
+        information that will help the end-user distinguish amongst
+        his/her jobs, such as the name of the application program along
+        with information from the document, such as the document name,
+        document subject, or source file name.  If this attribute is not
+        supplied by the client, the Printer generates a name to use in
+        the "job-name" attribute of the newly created Job object (see
+        Section 4.3.5).
+
+     "ipp-attribute-fidelity" (boolean):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  The value 'true' indicates
+        that total fidelity to client supplied Job Template attributes
+        and values is required, else the Printer object MUST reject the
+        Print-Job request.  The value 'false' indicates that a
+        reasonable attempt to print the Job object is acceptable and the
+        Printer object MUST accept the Print-job request. If not
+        supplied, the Printer object assumes the value is 'false'.  All
+        Printer objects MUST support both types of job processing.  See
+        section 15 for a full description of "ipp-attribute-fidelity"
+        and its relationship to other attributes, especially the Printer
+        object's "pdl-override-supported" attribute.
+
+     "document-name" (name(MAX)):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.   It contains the client
+        supplied document name.  The document name MAY be different than
+        the Job name.  Typically, the client software automatically
+        supplies the document name on behalf of the end user by using a
+        file name or an application generated name.  If this attribute
+        is supplied, its value can be used in a manner defined by each
+        implementation.  Examples include: printed along with the Job
+        (job start sheet, page adornments, etc.), used by accounting or
+        resource tracking management tools, or even stored along with
+        the document as a document level attribute.  IPP/1.0 does not
+        support the concept of document level attributes.
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 35]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     "document-format" (mimeMediaType) :
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  The value of this attribute
+        identifies the format of the supplied document data.  If the
+        client does not supply this attribute, the Printer object
+        assumes that the document data is in the format defined by the
+        Printer object's "document-format-default" attribute.  If the
+        client supplies this attribute, but the value is not supported
+        by the Printer object, i.e., the value is not one of the values
+        of the Printer object's "document-format-supported" attribute,
+        the Printer object MUST reject the request and return the '
+        client-error-document-format-not-supported' status code.
+
+     "document-natural-language" (naturalLanguage):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute. This attribute
+        specifies the natural language of the document for those
+        document-formats that require a specification of the natural
+        language in order to image the document unambiguously. There are
+        no particular values required for the Printer object to support.
+
+     "compression" (type3 keyword)
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute and the "compression-
+        supported" attribute (see section 4.4.29).  The client supplied
+        "compression" operation attribute identifies the compression
+        algorithm used on the document data.  If the client omits this
+        attribute, the Printer object MUST assume that the data is not
+        compressed.  If the client supplies the attribute and the
+        Printer object supports the attribute, the Printer object uses
+        the corresponding decompression algorithm on the document data.
+        If the client supplies this attribute, but the value is not
+        supported by the Printer object, i.e., the value is not one of
+        the values of the Printer object's "compression-supported"
+        attribute, the Printer object MUST copy the attribute and its
+        value to the Unsupported Attributes response group, reject the
+        request, and return the 'client-error-attributes-or-values-not-
+        supported' status code.
+
+     "job-k-octets" (integer(0:MAX))
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute and the "job-k-
+        octets-supported" attribute (see section 4.4.30).  The client
+        supplied "job-k-octets" operation attribute identifies the total
+        size of the document(s) in K octets being submitted (see section
+        4.3.17 for the complete semantics).  If the client supplies the
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 36]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        attribute and the Printer object supports the attribute, the
+        value of the attribute is used to populate the Job object's
+        "job-k-octets" Job Description attribute.
+
+        Note: For this attribute and the following two attributes
+        ("job-impressions", and "job-media-sheets"), if the client
+        supplies the attribute, but the Printer object does not support
+        the attribute, the Printer object ignores the client-supplied
+        value.  If the client supplies the attribute and the Printer
+        supports the attribute, and the value is within the range of the
+        corresponding Printer object's "xxx-supported" attribute, the
+        Printer object MUST use the value to populate the Job object's
+        "xxx" attribute.  If the client supplies the attribute and the
+        Printer supports the attribute, but the value is outside the
+        range of the corresponding Printer object's "xxx-supported"
+        attribute, the Printer object MUST copy the attribute and its
+        value to the Unsupported Attributes response group, reject the
+        request, and return the 'client-error-attributes-or-values-not-
+        supported' status code.  If the client does not supply the
+        attribute, the Printer object MAY choose to populate the
+        corresponding Job object attribute depending on whether the
+        Printer object supports the attribute and is able to calculate
+        or discern the correct value.
+
+     "job-impressions" (integer(0:MAX))
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute and the "job-
+        impressions-supported" attribute (see section 4.4.31).  The
+        client supplied "job-impressions" operation attribute identifies
+        the total size in number of impressions of the document(s) being
+        submitted (see section 4.3.18 for the complete semantics).
+
+        See note under "job-k-octets".
+
+     "job-media-sheets" (integer(0:MAX))
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute and the "job-media-
+        sheets-supported" attribute (see section 4.4.32).  The client
+        supplied "job-media-sheets" operation attribute identifies the
+        total number of media sheets to be produced for this job (see
+        section 4.3.19 for the complete semantics).
+
+        See note under "job-k-octets".
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 37]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Group 2: Job Template Attributes
+
+        The client OPTIONALLY supplies a set of Job Template attributes
+        as defined in section 4.2.  If the client is not supplying any
+        Job Template attributes in the request, the client SHOULD omit
+        Group 2 rather than sending an empty group.  However, a Printer
+        object MUST be able to accept an empty group.
+
+   Group 3: Document Content
+
+        The client MUST supply the document data to be processed.
+
+   Note: In addition to the MANDATORY parameters required for every
+   operation request, the simplest Print-Job Request consists of just
+   the "attributes-charset" and "attributes-natural-language" operation
+   attributes; the "printer-uri" target operation attribute; the
+   Document Content and nothing else.  In this simple case, the Printer
+   object:
+
+     - creates a new Job object (the Job object contains a single
+       document),
+     - stores a generated Job name in the "job-name" attribute in the
+       natural language and charset requested (see Section 3.1.4.1) (if
+       those are supported, otherwise using the Printer object's default
+       natural language and charset), and
+     - at job processing time, uses its corresponding default value
+       attributes for the supported Job Template attributes that were
+       not supplied by the client as IPP attribute or embedded
+       instructions in the document data.
+
+3.2.1.2 Print-Job Response
+
+       The Printer object MUST return to the client the following sets
+       of attributes as part of the Print-Job Response:
+
+       Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text) operation attribute as described in sections 14 and
+        3.1.6.  If the client supplies unsupported or conflicting Job
+        Template attributes or values, the Printer object MUST reject or
+        accept the Print-Job request depending on the whether the client
+        supplied a 'true' or 'false' value for the "ipp-attribute-
+        fidelity" operation attribute.  See the Implementer's Guide
+        [ipp-iig] for a complete description of the suggested steps for
+        processing a create request.
+
+
+
+deBry, et al.                 Experimental                     [Page 38]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+        This is a set of Operation and Job Template attributes supplied
+        by the client (in the request) that are not supported by the
+        Printer object or that conflict with one another (see the
+        Implementer's Guide [ipp-iig]).  If the Printer object is not
+        returning any Unsupported Attributes in the response, the
+        Printer object SHOULD omit Group 2 rather than sending an empty
+        group.  However, a client MUST be able to accept an empty group.
+
+        Unsupported attributes fall into three categories:
+
+        1. The Printer object does not support the supplied attribute
+           (no matter what the attribute syntax or value).
+        2. The Printer object does support the attribute, but does not
+           support some or all of the particular attribute syntaxes or
+           values supplied by the client (i.e., the Printer object does
+           not have those attribute syntaxes or values in its
+           corresponding "xxx-supported" attribute).
+        3. The Printer object does support the attributes and values
+           supplied, but the particular values are in conflict with one
+           another, because they violate a constraint, such as not being
+           able to staple transparencies.
+
+        In the case of an unsupported attribute name, the Printer object
+        returns the client-supplied attribute with a substituted "out-
+        of-band" value of 'unsupported' indicating no support for the
+        attribute itself (see the beginning of section 4.1).
+
+        In the case of a supported attribute with one or more
+        unsupported attribute syntaxes or values, the Printer object
+        simply returns the client-supplied attribute with the
+        unsupported attribute syntaxes or values as supplied by the
+        client.  This indicates support for the attribute, but no
+        support for that particular attribute syntax or value.  If the
+        client supplies a multi-valued attribute with more than one
+        value and the Printer object supports the attribute but only
+        supports a subset of the client-supplied attribute syntaxes or
+        values, the Printer object MUST return only those attribute
+        syntaxes or values that are unsupported.
+
+        In the case of two (or more) supported attribute values that are
+        in conflict with one another (although each is supported
+        independently, the values conflict when requested together
+
+
+
+deBry, et al.                 Experimental                     [Page 39]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        within the same job), the Printer object MUST return all the
+        values that it ignores or substitutes to resolve the conflict,
+        but not any of the values that it is still using.  The choice
+        for exactly how to resolve the conflict is implementation
+        dependent.  See The Implementer's Guide [ipp-iig] for an
+        example.
+
+        In these three cases, the value of the "ipp-attribute-fidelity"
+        supplied by the client does not affect what the Printer object
+        returns.  The value of "ipp-attribute-fidelity" only affects
+        whether the Print-Job operation is accepted or rejected.  If the
+        job is accepted, the client may query the job using the Get-
+        Job-Attributes operation requesting the unsupported attributes
+        that were returned in the create response to see which
+        attributes were ignored (not stored on the Job object) and which
+        attributes were stored with other (substituted) values.
+
+   Group 3: Job Object Attributes
+
+     "job-uri" (uri):
+        The Printer object MUST return the Job object's URI by returning
+        the contents of the REQUIRED "job-uri" Job object attribute.
+        The client uses the Job object's URI when directing operations
+        at the Job object.  The Printer object always uses its
+        configured security policy when creating the new URI.  However,
+        if the Printer object supports more than one URI, the Printer
+        object also uses information about which URI was used in the
+        Print-Job Request to generated the new URI so that the new URI
+        references the correct access channel.  In other words, if the
+        Print-Job Request comes in over a secure channel, the Printer
+        object MUST generate a Job URI that uses the secure channel as
+        well.
+
+     "job-id" (integer(1:MAX)):
+        The Printer object MUST return the Job object's Job ID by
+        returning the REQUIRED "job-id" Job object attribute.  The
+        client uses this "job-id" attribute in conjunction with the
+        "printer-uri" attribute used in the Print-Job Request when
+        directing Job operations at the Printer object.
+
+     "job-state":
+        The Printer object MUST return the Job object's REQUIRED "job-
+        state" attribute. The value of this attribute (along with the
+        value of the next attribute "job-state-reasons") is taken from a
+        "snapshot" of the new Job object at some meaningful point in
+        time (implementation defined) between when the Printer object
+        receives the Print-Job Request and when the Printer object
+        returns the response.
+
+
+
+deBry, et al.                 Experimental                     [Page 40]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     "job-state-reasons":
+        The Printer object OPTIONALLY returns the Job object's OPTIONAL
+        "job-state-reasons" attribute.  If the Printer object supports
+        this attribute then it MUST be returned in the response.  If
+        this attribute is not returned in the response, the client can
+        assume that the "job-state-reasons" attribute is not supported
+        and will not be returned in a subsequent Job object query.
+
+     "job-state-message":
+        The Printer object OPTIONALLY returns the Job object's OPTIONAL
+        "job-state-message" attribute.  If the Printer object supports
+        this attribute then it MUST be returned in the response.  If
+        this attribute is not returned in the response, the client can
+        assume that the "job-state-message" attribute is not supported
+        and will not be returned in a subsequent Job object query.
+
+     "number-of-intervening-jobs":
+        The Printer object OPTIONALLY returns the Job object's OPTIONAL
+        "number-of-intervening-jobs" attribute.  If the Printer object
+        supports this attribute then it MUST be returned in the
+        response.  If this attribute is not returned in the response,
+        the client can assume that the "number-of-intervening-jobs"
+        attribute is not supported and will not be returned in a
+        subsequent Job object query.
+
+        Note: Since any printer state information which affects a job's
+        state is reflected in the "job-state" and "job-state-reasons"
+        attributes, it is sufficient to return only these attributes and
+        no specific printer status attributes.
+
+   Note: In addition to the MANDATORY parameters required for every
+   operation response, the simplest response consists of the just the
+   "attributes-charset" and "attributes-natural-language" operation
+   attributes and the "job-uri", "job-id", and "job-state" Job Object
+   Attributes.  In this simplest case, the status code is "successful-
+   ok" and there is no "status-message" operation attribute.
+
+3.2.2 Print-URI Operation
+
+   This OPTIONAL operation is identical to the Print-Job operation
+   (section 3.2.1) except that a client supplies a URI reference to the
+   document data using the "document-uri" (uri) operation attribute (in
+   Group 1) rather than including the document data itself.  Before
+   returning the response, the Printer MUST validate that the Printer
+   supports the retrieval method (e.g., http, ftp, etc.) implied by the
+   URI, and MUST check for valid URI syntax.  If the client-supplied URI
+   scheme is not supported, i.e. the value is not in the Printer
+   object's "referenced-uri-scheme-supported" attribute, the Printer
+
+
+
+deBry, et al.                 Experimental                     [Page 41]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   object MUST reject the request and return the 'client-error-uri-
+   scheme-not-supported' status code.  See The Implementer's Guide
+   [ipp-iig] for suggested additional checks.  The Printer NEED NOT
+   follow the reference and validate the contents of the reference.
+
+   If the Printer object supports this operation, it MUST support the
+   "reference-uri-schemes-supported" Printer attribute (see section
+   4.4.24).
+
+   It is up to the IPP object to interpret the URI and subsequently
+   "pull" the document from the source referenced by the URI string.
+
+3.2.3 Validate-Job Operation
+
+   This REQUIRED operation is similar to the Print-Job operation
+   (section 3.2.1) except that a client supplies no document data and
+   the Printer allocates no resources (i.e., it does not create a new
+   Job object).  This operation is used only to verify capabilities of a
+   printer object against whatever attributes are supplied by the client
+   in the Validate-Job request.  By using the Validate-Job operation a
+   client can validate that an identical Print-Job operation (with the
+   document data) would be accepted. The Validate-Job operation also
+   performs the same security negotiation as the Print-Job operation
+   (see section 8), so that a client can check that the client and
+   Printer object security requirements can be met before performing a
+   Print-Job operation.
+
+   Note: The Validate-Job operation does not accept a "document-uri"
+   attribute in order to allow a client to check that the same Print-URI
+   operation will be accepted, since the client doesn't send the data
+   with the Print-URI operation.  The client SHOULD just issue the
+   Print-URI request.
+
+   The Printer object returns the same status codes, Operation
+   Attributes (Group 1) and Unsupported Attributes (Group 2) as the
+   Print-Job operation.  However, no Job Object Attributes (Group 3) are
+   returned, since no Job object is created.
+
+3.2.4 Create-Job Operation
+
+   This OPTIONAL operation is similar to the Print-Job operation
+   (section 3.2.1) except that in the Create-Job request, a client does
+   not supply document data or any reference to document data.  Also,
+   the client does not supply any of the "document-name", "document-
+   format", "compression", or "document-natural-language" operation
+   attributes.  This operation is followed by one or more Send-Document
+   or Send-URI operations.  In each of those operation requests, the
+
+
+
+
+deBry, et al.                 Experimental                     [Page 42]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   client OPTIONALLY supplies the "document-name", "document-format",
+   and "document-natural-language" attributes for each document in the
+   multi-document Job object.
+
+   If a Printer object supports the Create-Job operation, it MUST also
+   support the Send-Document operation and also MAY support the Send-URI
+   operation.
+
+   If the Printer object supports this operation, it MUST support the
+   "multiple-operation-time-out" Printer attribute (see section 4.4.28).
+
+
+3.2.5 Get-Printer-Attributes Operation
+
+   This REQUIRED operation allows a client to request the values of the
+   attributes of a Printer object.   In the request, the client supplies
+   the set of Printer attribute names and/or attribute group names in
+   which the requester is interested.  In the response, the Printer
+   object returns a corresponding attribute set with the appropriate
+   attribute values filled in.
+
+   For Printer objects, the possible names of attribute groups are:
+
+     - 'job-template': all of the Job Template attributes that apply to
+       a Printer object (the last two columns of the table in Section
+       4.2).
+     - 'printer-description': the attributes specified in Section 4.4.
+     - 'all': the special group 'all' that includes all supported
+       attributes.
+
+   Since a client MAY request specific attributes or named groups, there
+   is a potential that there is some overlap.  For example, if a client
+   requests, 'printer-name' and 'all', the client is actually requesting
+   the "printer-name" attribute twice: once by naming it explicitly, and
+   once by inclusion in the 'all' group.  In such cases, the Printer
+   object NEED NOT return each attribute only once in the response even
+   if it is requested multiple times.  The client SHOULD NOT request the
+   same attribute in multiple ways.
+
+   It is NOT REQUIRED that a Printer object support all attributes
+   belonging to a group (since some attributes are OPTIONAL).  However,
+   it is REQUIRED that each Printer object support all group names.
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 43]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+3.2.5.1 Get-Printer-Attributes Request
+
+   The following sets of attributes are part of the Get-Printer-
+   Attributes Request:
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        attributes-charset" and "attributes-natural-language" butes as
+        described in section 3.1.4.1.
+
+     Target:
+        The "printer-uri" (uri) operation attribute which is the target
+        for this operation as described in section 3.1.5.
+
+     Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+     "requested-attributes" (1setOf keyword) :
+        The client OPTIONALLY supplies a set of attribute names and/or
+        attribute group names in whose values the requester is
+        interested.  The Printer object MUST support this attribute.  If
+        the client omits this attribute, the Printer MUST respond as if
+        this attribute had been supplied with a value of 'all'.
+
+     "document-format" (mimeMediaType) :
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  This attribute is useful
+        for a Printer object to determine the set of supported attribute
+        values that relate to the requested document format.  The
+        Printer object MUST return the attributes and values that it
+        uses to validate a job on a create or Validate-Job operation in
+        which this document format is supplied. The Printer object
+        SHOULD return only (1) those attributes that are supported for
+        the specified format and (2) the attribute values that are
+        supported for the specified document format.  By specifying the
+        document format, the client can get the Printer object to
+        eliminate the attributes and values that are not supported for a
+        specific document format.  For example, a Printer object might
+        have multiple interpreters to support both '
+        application/postscript' (for PostScript) and 'text/plain' (for
+        text) documents.  However, for only one of those interpreters
+        might the Printer object be able to support "number-up" with
+        values of '1', '2', and '4'.  For the other interpreter it might
+        be able to only support "number-up" with a value of '1'. Thus a
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 44]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        client can use the Get-Printer-Attributes operation to obtain
+        the attributes and values that will be used to accept/reject a
+        create job operation.
+
+        If the Printer object does not distinguish between different
+        sets of supported values for each different document format when
+        validating jobs in the create and Validate-Job operations, it
+        MUST NOT distinguish between different document formats in the
+        Get-Printer-Attributes operation. If the Printer object does
+        distinguish between different sets of supported values for each
+        different document format specified by the client, this
+        specialization applies only to the following Printer object
+        attributes:
+
+       - Printer attributes that are Job Template attributes ("xxx-
+          default" "xxx-supported", and "xxx-ready" in the Table in
+          Section 4.2),
+       - "pdl-override-supported",
+       - "compression-supported",
+       - "job-k-octets-supported",
+       - "job-impressions-supported,
+       - "job-media-sheets-supported"
+       - "printer-driver-installer",
+       - "color-supported", and
+       - "reference-uri-schemes-supported"
+
+        The values of all other Printer object attributes (including
+        "document-format-supported") remain invariant with respect to
+        the client supplied document format (except for new Printer
+        description attribute as registered according to section 6.2).
+
+        If the client omits this "document-format" operation attribute,
+        the Printer object MUST respond as if the attribute had been
+        supplied with the value of the Printer object's "document-
+        format-default" attribute.  It is recommended that the client
+        always supply a value for "document-format", since the Printer
+        object's "document-format-default" may be 'application/octet-
+        stream', in which case the returned attributes and values are
+        for the union of the document formats that the Printer can
+        automatically sense.  For more details, see the description of
+        the 'mimeMediaType' attribute syntax in section 4.1.9.
+
+        If the client supplies a value for the "document-format"
+        Operation attribute that is not supported by the Printer, i.e.,
+        is not among the values of the Printer object's "document-
+        format-supported" attribute, the Printer object MUST reject the
+        operation and return the 'client-error-document-format-not-
+        supported' status code.
+
+
+
+deBry, et al.                 Experimental                     [Page 45]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+3.2.5.2 Get-Printer-Attributes Response
+
+   The Printer object returns the following sets of attributes as part
+   of the Get-Printer-Attributes Response:
+
+   Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text) operation attribute as described in section 3.1.6.
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+        This is a set of Operation attributes supplied by the client (in
+        the request) that are not supported by the Printer object or
+        that conflict with one another (see sections 3.2.1.2 and 16).
+        The response NEED NOT contain the "requested-attributes"
+        operation attribute with any supplied values (attribute
+        keywords) that were requested by the client but are not
+        supported by the IPP object.  If the Printer object is not
+        returning any Unsupported Attributes in the response, the
+        Printer object SHOULD omit Group 2 rather than sending an empty
+        group.  However, a client MUST be able to accept an empty group.
+
+   Group 3: Printer Object Attributes
+
+        This is the set of requested attributes and their current
+        values.  The Printer object ignores (does not respond with) any
+        requested attribute which is not supported.  The Printer object
+        MAY respond with a subset of the supported attributes and
+        values, depending on the security policy in force.  However, the
+        Printer object MUST respond with the 'unknown' value for any
+        supported attribute (including all REQUIRED attributes) for
+        which the Printer object does not know the value.  Also the
+        Printer object MUST respond with the 'no-value' for any
+        supported attribute (including all REQUIRED attributes) for
+        which the system administrator has not configured a value.  See
+        the description of the "out-of-band" values in the beginning of
+        Section 4.1.
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 46]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+3.2.6 Get-Jobs Operation
+
+   This REQUIRED operation allows a client to retrieve the list of Job
+   objects belonging to the target Printer object.  The client may also
+   supply a list of Job attribute names and/or attribute group names.  A
+   group of Job object attributes will be returned for each Job object
+   that is returned.
+
+   This operation is similar to the Get-Job-Attributes operation, except
+   that this Get-Jobs operation returns attributes from possibly more
+   than one object (see the description of Job attribute group names in
+   section 3.3.4).
+
+3.2.6.1 Get-Jobs Request
+
+   The client submits the Get-Jobs request to a Printer object.
+
+   The following groups of attributes are part of the Get-Jobs Request:
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+     Target:
+        The "printer-uri" (uri) operation attribute which is the target
+        for this operation as described in section 3.1.5.
+
+     Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+     "limit" (integer(1:MAX)):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute. It is an integer value that
+        indicates a limit to the number of Job objects returned.  The
+        limit is a "stateless limit" in that if the value supplied by
+        the client is 'N', then only the first 'N' jobs are returned in
+        the Get-Jobs Response.  There is no mechanism to allow for the
+        next 'M' jobs after the first 'N' jobs.  If the client does not
+        supply this attribute, the Printer object responds with all
+        applicable jobs.
+
+     "requested-attributes" (1setOf keyword):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  It is a set of Job
+        attribute names and/or attribute groups names in whose values
+
+
+
+deBry, et al.                 Experimental                     [Page 47]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        the requester is interested.  This set of attributes is returned
+        for each Job object that is returned.  The allowed attribute
+        group names are the same as those defined in the Get-Job-
+        Attributes operation in section 3.3.4.  If the client does not
+        supply this attribute, the Printer MUST respond as if the client
+        had supplied this attribute with two values:  'job-uri' and '
+        job-id'.
+
+     "which-jobs" (type2 keyword):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  It indicates which Job
+        objects MUST be returned by the Printer object. The values for
+        this attribute are:
+
+          'completed': This includes any Job object whose state is
+             'completed', 'canceled', or 'aborted'.
+          'not-completed': This includes any Job object whose state is '
+             pending', 'processing', 'processing-stopped', or 'pending-
+             held'.
+
+        A Printer object MUST support both values.  However, if the
+        mentation does not keep jobs in the 'completed', 'canceled', '
+        aborted' states, then it returns no jobs when the 'completed'
+        value is supplied.
+
+        If a client supplies some other value, the Printer object MUST
+        copy the attribute and the unsupported value to the Unsupported
+        Attributes response group, reject the request, and return the '
+        client-error-attributes-or-values-not-supported' status code.
+
+        If the client does not supply this attribute, the Printer object
+        MUST respond as if the client had supplied the attribute with a
+        value of 'not-completed'.
+
+     "my-jobs" (boolean):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  It indicates whether all
+        jobs or just the jobs submitted by the requesting user of this
+        request  MUST be returned by the Printer object.  If the client
+        does not supply this attribute, the Printer object MUST respond
+        as if the client had supplied the attribute with a value of '
+        false', i.e., all jobs.  The means for authenticating the
+        requesting user and matching the jobs is described in section 8.
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 48]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+3.2.6.2 Get-Jobs Response
+
+   The Printer object returns all of the Job objects that match the
+   criteria as defined by the attribute values supplied by the client in
+   the request.  It is possible that no Job objects are returned since
+   there may literally be no Job objects at the Printer, or there may be
+   no Job objects that match the criteria supplied by the client.  If
+   the client requests any Job attributes at all, there is a set of Job
+   Object Attributes returned for each Job object.
+
+   Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text) operation attribute as described in sections 14 and
+        3.1.6.
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+        This is a set of Operation attributes supplied by the client (in
+        the request) that are not supported by the Printer object or
+        that conflict with one another (see sections 3.2.1.2 and the
+        Implementer's Guide [ipp-iig]).  The response NEED NOT contain
+        the "requested-attributes" operation attribute with any supplied
+        values (attribute keywords) that were requested by the client
+        but are not supported by the IPP object.  If the Printer object
+        is not returning any Unsupported Attributes in the response, the
+        Printer object SHOULD omit Group 2 rather than sending an empty
+        group.  However, a client MUST be able to accept an empty group.
+
+   Groups 3 to N: Job Object Attributes
+
+        The Printer object responds with one set of Job Object
+        Attributes for each returned Job object.  The Printer object
+        ignores (does not respond with) any requested attribute or value
+        which is not supported or which is restricted by the security
+        policy in force, including whether the requesting user is the
+        user that submitted the job (job originating user) or not (see
+        section 8).  However, the Printer object MUST respond with the '
+        unknown' value for any supported attribute (including all
+        REQUIRED attributes) for which the Printer object does not know
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 49]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        the value, unless it would violate the security policy.  See the
+        description of the "out-of-band" values in the beginning of
+        Section 4.1.
+
+        Jobs are returned in the following order:
+
+          - If the client requests all 'completed' Jobs (Jobs in the '
+            completed', 'aborted', or 'canceled' states), then the Jobs
+            are returned newest to oldest (with respect to actual
+            completion time)
+          - If the client requests all 'not-completed' Jobs (Jobs in the
+            'pending', 'processing', 'pending-held', and 'processing-
+            stopped' states), then Jobs are returned in relative
+            chronological order of expected time to complete (based on
+            whatever scheduling algorithm is configured for the Printer
+            object).
+
+3.3 Job Operations
+
+   All Job operations are directed at Job objects.  A client MUST always
+   supply some means of identifying the Job object in order to identify
+   the correct target of the operation.  That job identification MAY
+   either be a single Job URI or a combination of a Printer URI with a
+   Job ID.  The IPP object implementation MUST support both forms of
+   identification for every job.
+
+3.3.1 Send-Document Operation
+
+   This OPTIONAL operation allows a client to create a multi-document
+   Job object that is initially "empty" (contains no documents).  In the
+   Create-Job response, the Printer object returns the Job object's URI
+   (the "job-uri" attribute) and the Job object's 32-bit identifier (the
+   "job-id" attribute).  For each new document that the client desires
+   to add, the client uses a Send-Document operation.  Each Send-
+   Document Request contains the entire stream of document data for one
+   document.
+
+   Since the Create-Job and the send operations (Send-Document or Send-
+   URI operations) that follow could occur over an arbitrarily long
+   period of time for a particular job, a client MUST send another send
+   operation within an IPP Printer defined minimum time interval after
+   the receipt of the previous request for the job.  If a Printer object
+   supports multiple document jobs, the Printer object MUST support the
+   "multiple-operation-time-out" attribute (see section 4.4.28).  This
+   attribute indicates the minimum number of seconds the Printer object
+   will wait for the next send operation before taking some recovery
+   action.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 50]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   An IPP object MUST recover from an errant client that does not supply
+   a send operation, sometime after the minimum time interval specified
+   by the Printer object's "multiple-operation-time-out" attribute.
+   Such recovery MAY include any of the following or other recovery
+   actions:
+
+     1. Assume that the Job is an invalid job, start the process of
+        changing the job state to 'aborted', add the 'aborted-by-system'
+        value to the job's "job-state-reasons" attribute (see section
+        4.3.8), if supported, and clean up all resources associated with
+        the Job.  In this case, if another send operation is finally
+        received, the Printer responds with an "client-error-not-
+        possible" or "client-error-not-found" depending on whether or
+        not the Job object is still around when the send operation
+        finally arrives.
+     2. Assume that the last send operation received was in fact the
+        last document (as if the "last-document" flag had been set to '
+        true'), close the Job object, and proceed to process it (i.e.,
+        move the Job's state to 'pending').
+     3. Assume that the last send operation received was in fact the
+        last document, close the Job, but move it to the 'pending-held'
+        and add the 'submission-interrupted' value to the job's "job-
+        state-reasons" attribute (see section 4.3.8), if supported.
+        This action allows the user or an operator to determine whether
+        to continue processing the Job by moving it back to the '
+        pending' state or to cancel the job.
+
+   Each implementation is free to decide the "best" action to take
+   depending on local policy, whether any documents have been added,
+   whether the implementation spools jobs or not, and/or any other piece
+   of information available to it.  If the choice is to abort the Job
+   object, it is possible that the Job object may already have been
+   processed to the point that some media sheet pages have been printed.
+
+3.3.1.1 Send-Document Request
+
+   The following attribute sets are part of the Send-Document Request:
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 51]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     Target:
+        Either (1) the "printer-uri" (uri) plus "job-id"
+        (integer(1:MAX))or (2) the "job-uri" (uri) operation
+        attribute(s) which define the target for this operation as
+        described in section 3.1.5.
+
+     Requesting User Name:
+        "requesting-user-name" (name(MAX)) attribute SHOULD be supplied
+        by the client as described in section 8.3.
+
+     "document-name" (name(MAX)):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  It contains the client
+        supplied document name.  The document name MAY be different than
+        the Job name.  It might be helpful, but NEED NOT be unique
+        across multiple documents in the same Job.  Typically, the
+        client software automatically supplies the document name on
+        behalf of the end user by using a file name or an application
+        generated name.  See the description of the "document-name"
+        operation attribute in the Print-Job Request (section 3.2.1.1)
+        for more information about this attribute
+
+   "document-format" (mimeMediaType):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  The value of this attribute
+        identifies the format of the supplied document data.  If the
+        client does not supply this attribute, the Printer object
+        assumes that the document data is in the format defined by the
+        Printer object's "document-format-default" attribute.  If the
+        client supplies this attribute, but the value is not supported
+        by the Printer object, i.e., the value is not one of the values
+        of the Printer object's "document-format-supported" attribute,
+        the Printer object MUST reject the request and return the '
+        client-error-document-format-not-supported' status code.
+
+     "document-natural-language" (naturalLanguage):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute.  This attribute
+        specifies the natural language of the document for those
+        document-formats that require a specification of the natural
+        language in order to image the document unambiguously.  There
+        are no particular values required for the Printer object to
+        support.
+
+     "compression" (type3 keyword)
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute and the "compression-
+        supported" attribute (see section 4.4.29).  The client supplied
+
+
+
+deBry, et al.                 Experimental                     [Page 52]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        "compression" operation attribute identifies the compression
+        algorithm used on the document data.  If the client omits this
+        attribute, the Printer object MUST assume that the data is not
+        compressed.  If the client supplies the attribute and the
+        Printer object supports the attribute, the Printer object MUST
+        use the corresponding decompression algorithm on the document
+        data. If the client supplies this attribute, but the value is
+        not supported by the Printer object, i.e., the value is not one
+        of the values of the Printer object's "compression-supported"
+        attribute, the Printer object MUST copy the attribute and its
+        value to the Unsupported Attributes response group, reject the
+        request, and return the 'client-error-attributes-or-values-not-
+        supported' status code.
+
+     "last-document" (boolean):
+        The client MUST supply this attribute.  The Printer object MUST
+        support this attribute. It is a boolean flag that is set to '
+        true' if this is the last document for the Job, 'false'
+        otherwise.
+
+   Group 2: Document Content
+
+        The client MUST supply the document data if the "last-document"
+        flag is set to 'false'.  However, since a client might not know
+        that the previous document sent with a Send-Document (or Send-
+        URI) operation was the last document (i.e., the "last-document"
+        attribute was set to 'false'), it is legal to send a Send-
+        Document request with no document data where the "last-document"
+        flag is set to 'true'.  Such a request MUST NOT increment the
+        value of the Job object's "number-of-documents" attribute, since
+        no real document was added to the job.
+
+3.3.1.2 Send-Document Response
+
+   The following sets of attributes are part of the Send-Document
+   Response:
+
+   Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text) operation attribute as described in sections 14 and
+        3.1.6.
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+
+
+deBry, et al.                 Experimental                     [Page 53]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Group 2: Unsupported Attributes
+
+        This is a set of Operation attributes supplied by the client (in
+        the request) that are not supported by the Printer object or
+        that conflict with one another (see sections 3.2.1.2 and the
+        Implementer's Guide [ipp-iig]).  If the Printer object is not
+        returning any Unsupported Attributes in the response, the
+        Printer object SHOULD omit Group 2 rather than sending an empty
+        group.  However, a client MUST be able to accept an empty group.
+
+   Group 3: Job Object Attributes
+
+        This is the same set of attributes as described in the Print-Job
+        response (see section 3.2.1.2).
+
+3.3.2 Send-URI Operation
+
+   This OPTIONAL operation is identical to the Send-Document operation
+   (see section 3.3.1) except that a client MUST supply a URI reference
+   ("document-uri" operation attribute) rather than the document data
+   itself.  If a Printer object supports this operation, clients can use
+   both Send-URI or Send-Document operations to add new documents to an
+   existing multi-document Job object.  However, if a client needs to
+   indicate that the previous Send-URI or Send-Document was the last
+   document,  the client MUST use the Send-Document operation with no
+   document data and the "last-document" flag set to 'true' (rather than
+   using a Send-URI operation with no "document-uri" operation
+   attribute).
+
+   If a Printer object supports this operation, it MUST also support the
+   Print-URI operation (see section 3.2.2).
+
+   The Printer object MUST validate the syntax and URI scheme of the
+   supplied URI before returning a response, just as in the Print-URI
+   operation.
+
+3.3.3 Cancel-Job Operation
+
+   This REQUIRED operation allows a client to cancel a Print Job from
+   the time the job is created up to the time it is completed, canceled,
+   or aborted.  Since a Job might already be printing by the time a
+   Cancel-Job is received, some media sheet pages might be printed
+   before the job is actually terminated.
+
+3.3.3.1 Cancel-Job Request
+
+   The following groups of attributes are part of the Cancel-Job
+   Request:
+
+
+
+deBry, et al.                 Experimental                     [Page 54]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+     Target:
+        Either (1) the "printer-uri" (uri) plus "job-id"
+        (integer(1:MAX))or (2) the "job-uri" (uri) operation
+        attribute(s) which define the target for this operation as
+        described in section 3.1.5.
+
+     Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+     "message" (text(127)):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute. It is a message to
+        the operator.  This "message" attribute is not the same as the
+        "job-message-from-operator" attribute.  That attribute is used
+        to report a message from the operator to the end user that
+        queries that attribute.  This "message" operation attribute is
+        used to send a message from the client to the operator along
+        with the operation request.  It is an implementation decision of
+        how or where to display this message to the operator (if at
+        all).
+
+3.3.3.2 Cancel-Job Response
+
+   The following sets of attributes are part of the Cancel-Job Response:
+
+   Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text) operation attribute as described in sections 14 and
+        3.1.6.
+
+        If the job is already in the 'completed', 'aborted', or '
+        canceled' state, or the 'process-to-stop-point' value is set in
+        the Job's "job-state-reasons" attribute, the Printer object MUST
+        reject the request and return the 'client-error-not-possible'
+        error status code.
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 55]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+        This is a set of Operation attributes supplied by the client (in
+        the request) that are not supported by the Printer object or
+        that conflict with one another (see section 3.2.1.2 and the
+        Implementer's Guide [ipp-iig]).  If the Printer object is not
+        returning any Unsupported Attributes in the response, the
+        Printer object SHOULD omit Group 2 rather than sending an empty
+        group.  However, a client MUST be able to accept an empty group.
+
+   Once a successful response has been sent, the implementation
+   guarantees that the Job will eventually end up in the 'canceled'
+   state. Between the time of the Cancel-Job operation is accepted and
+   when the job enters the 'canceled' job-state (see section 4.3.7), the
+   "job-state-reasons" attribute SHOULD contain the 'processing-to-
+   stop-point' value which indicates to later queries that although the
+   Job might still be 'processing', it will eventually end up in the '
+   canceled' state, not the 'completed' state.
+
+3.3.4 Get-Job-Attributes Operation
+
+   This REQUIRED operation allows a client to request the values of
+   attributes of a Job object and it is almost identical to the Get-
+   Printer-Attributes operation (see section 3.2.5).  The only
+   differences are that the operation is directed at a Job object rather
+   than a Printer object, there is no "document-format" operation
+   attribute used when querying a Job object, and the returned attribute
+   group is a set of Job object attributes rather than a set of Printer
+   object attributes.
+
+   For Jobs, the possible names of attribute groups are:
+
+     - 'job-template': all of the Job Template attributes that apply to a
+       Job object (the first column of the table in Section 4.2).
+     - 'job-description': all of the Job Description attributes specified
+       in Section 4.3.
+     - 'all': the special group 'all' that includes all supported
+       attributes.
+
+   Since a client MAY request specific attributes or named groups, there
+   is a potential that there is some overlap.  For example, if a client
+   requests, 'job-name' and 'job-description', the client is actually
+   requesting the "job-name" attribute once by naming it explicitly, and
+   once by inclusion in the 'job-description' group.  In such cases, the
+
+
+
+deBry, et al.                 Experimental                     [Page 56]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Printer object NEED NOT return the attribute only once in the
+   response even if it is requested multiple times.  The client SHOULD
+   NOT request the same attribute in multiple ways.
+
+   It is NOT REQUIRED that a Job object support all attributes belonging
+   to a group (since some attributes are OPTIONAL).  However it is
+   REQUIRED that each Job object support all group names.
+
+3.3.4.1 Get-Job-Attributes Request
+
+   The following groups of attributes are part of the Get-Job-Attributes
+   Request when the request is directed at a Job object:
+
+   Group 1: Operation Attributes
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+     Target:
+        Either (1) the "printer-uri" (uri) plus "job-id"
+        (integer(1:MAX)) or (2) the "job-uri" (uri) operation
+        attribute(s) which define the target for this operation as
+        described in section 3.1.5.
+
+     Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+     "requested-attributes" (1setOf keyword) :
+        The client OPTIONALLY supplies this attribute.  The IPP object
+        MUST support this attribute.   It is a set of attribute names
+        and/or attribute group names in whose values the requester is
+        interested.  If the client omits this attribute, the IPP object
+        MUST respond as if this attribute had been supplied with a value
+        of 'all'.
+
+3.3.4.2 Get-Job-Attributes Response
+
+   The Printer object returns the following sets of attributes as part
+   of the Get-Job-Attributes Response:
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 57]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Group 1: Operation Attributes
+
+     Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text) operation attribute as described in sections 14 and
+        3.1.6.
+
+     Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.  The "attributes-
+        natural-language" MAY be the natural language of the Job object,
+        rather than the one requested.
+
+   Group 2: Unsupported Attributes
+
+        This is a set of Operation attributes supplied by the client (in
+        the request) that are not supported by the Printer object or
+        that conflict with one another (see sections 3.2.1.2 and the
+        Implementer's Guide [ipp-iig]).  The response NEED NOT contain
+        the "requested-attributes" operation attribute with any supplied
+        values (attribute keywords) that were requested by the client
+        but are not supported by the IPP object.  If the Printer object
+        is not returning any Unsupported Attributes in the response, the
+        Printer object SHOULD omit Group 2 rather than sending an empty
+        group.  However, a client MUST be able to accept an empty group.
+
+   Group 3: Job Object Attributes
+
+        This is the set of requested attributes and their current
+        values.  The IPP object ignores (does not respond with) any
+        requested attribute or value which is not supported or which is
+        restricted by the security policy in force, including whether
+        the requesting user is the user that submitted the job (job
+        originating user) or not (see section 8).  However, the IPP
+        object MUST respond with the 'unknown' value for any supported
+        attribute (including all RED butes) for which the IPP object
+        does not know the value, s it would violate the security policy.
+        See the description e "out-of-band" values in the beginning of
+        Section 4.1.
+
+4. Object Attributes
+
+   This section describes the attributes with their corresponding
+   attribute syntaxes and values that are part of the IPP model.  The
+   sections below show the objects and their associated attributes which
+   are included within the scope of this protocol.  Many of these
+   attributes are derived from other relevant specifications:
+
+
+
+deBry, et al.                 Experimental                     [Page 58]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     - Document Printing Application (DPA) [ISO10175]
+     - RFC 1759 Printer MIB [RFC1759]
+
+   Each attribute is uniquely identified in this document using a
+   "keyword" (see section 12.2.1) which is the name of the attribute.
+   The keyword is included in the section header describing that
+   attribute.
+
+   Note: Not only are keywords used to identify attributes, but one of
+   the attribute syntaxes described below is "keyword" so that some
+   attributes have keyword values.  Therefore, these attributes are
+   defined as having an attribute syntax that is a set of keywords.
+
+4.1 Attribute Syntaxes
+
+   This section defines the basic attribute syntax types that all clients
+   and IPP objects MUST be able to accept in responses and accept in
+   requests, respectively.  Each attribute description in sections 3 and
+   4 includes the name of attribute syntax(es) in the heading (in
+   parentheses).  A conforming implementation of an attribute MUST
+   include the semantics of the attribute syntax(es) so identified.
+   Section 6.3 describes how the protocol can be extended with new
+   attribute syntaxes.
+
+   The attribute syntaxes are specified in the following sub-sections,
+   where the sub-section heading is the keyword name of the attribute
+   syntax inside the single quotes.  In operation requests and responses
+   each attribute value MUST be represented as one of the attribute
+   syntaxes specified in the sub-section heading for the attribute.  In
+   addition, the value of an attribute in a response (but not in a
+   request) MAY be one of the "out-of-band" values.  Standard
+   "out-of-band" values are:
+
+     'unknown': The attribute is supported by the IPP object, but the
+        value is unknown to the IPP object for some reason.
+     'unsupported': The attribute is unsupported by the IPP object.  This
+        value MUST be returned only as the value of an attribute in the
+        Unsupported Attributes Group.
+     'no-value': The attribute is supported by the Printer object, but
+        the system administrator has not yet configured a value.
+
+   The Encoding and Transport specification [RFC2565] defines mechanisms
+   for passing "out-of-band" values.  All attributes in a request MUST
+   have one or more values as defined in Sections 4.2 to 4.4.  Thus
+   clients MUST NOT supply attributes with "out-of-band" values.  All
+   attribute in a response MUST have one or more values as defined in
+   Sections 4.2 to 4.4 or a single "out-of-band" value.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 59]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Most attributes are defined to have a single attribute syntax.
+   However, a few attributes (e.g., "job-sheet", "media", "job-hold-
+   until") are defined to have several attribute syntaxes, depending on
+   the value.  These multiple attribute syntaxes are separated by the
+   "|" character in the sub-section heading to indicate the choice.
+   Since each value MUST be tagged as to its attribute syntax in the
+
+   protocol, a single-valued attribute instance may have any one of its
+   attribute syntaxes and a multi-valued attribute instance may have a
+   mixture of its defined attribute syntaxes.
+
+4.1.1 'text'
+
+   A text attribute is an attribute whose value is a sequence of zero or
+   more characters encoded in a maximum of 1023 ('MAX') octets.  MAX is
+   the maximum length for each value of any text attribute.  However, if
+   an attribute will always contain values whose maximum length is much
+   less than MAX, the definition of that attribute will include a
+   qualifier that defines the maximum length for values of that
+   attribute.  For example: the "printer-location" attribute is
+   specified as "printer-location (text(127))".  In this case, text
+   values for "printer-location" MUST NOT exceed 127 octets; if supplied
+   with a longer text string via some external interface (other than the
+   protocol), implementations are free to truncate to this shorter
+   length limitation.
+
+   In this specification, all text attributes are defined using the '
+   text' syntax.  However, 'text' is used only for brevity; the formal
+   interpretation of 'text' is: 'textWithoutLanguage |
+   textWithLanguage'.  That is, for any attribute defined in this
+   specification using the 'text' attribute syntax, all IPP objects and
+   clients MUST support both the 'textWithoutLanguage' and '
+   textWithLanguage' attribute syntaxes.  However, in actual usage and
+   protocol execution, objects and clients accept and return only one of
+   the two syntax per attribute.  The syntax 'text' never appears "on-
+   the-wire".
+
+   Both 'textWithoutLanguage' and 'textWithLanguage' are needed to
+   support the real world needs of interoperability between sites and
+   systems that use different natural languages as the basis for human
+   communication.  Generally, one natural language applies to all text
+   attributes in a given request or response. The language is indicated
+   by the "attributes-natural-language" operation attribute defined in
+   section 3.1.4 or "attributes-natural-language" job attribute defined
+   in section 4.3.24, and there is no need to identify the natural
+   language for each text string on a value-by-value basis.  In these
+   cases, the attribute syntax 'textWithoutLanguage' is used for text
+   attributes.  In other cases, the client needs to supply or the
+
+
+
+deBry, et al.                 Experimental                     [Page 60]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Printer object needs to return a text value in a natural language
+   that is different from the rest of the text values in the request or
+   response.  In these cases, the client or Printer object uses the
+   attribute syntax 'textWithLanguage' for text attributes (this is the
+   Natural Language Override mechanism described in section 3.1.4).
+
+   The 'textWithoutLanguage' and 'textWithLanguage' attribute syntaxes
+   are described in more detail in the following sections.
+
+4.1.1.1 'textWithoutLanguage'
+
+   The 'textWithoutLanguage' syntax indicates a value that is sequence
+   of zero or more characters.  Text strings are encoded using the rules
+   of some charset.  The Printer object MUST support the UTF-8 charset
+   [RFC2279] and MAY support additional charsets to represent 'text'
+   values, provided that the charsets are registered with IANA [IANA-
+   CS].  See Section 4.1.7 for the specification of the 'charset'
+   attribute syntax, including restricted semantics and examples of
+   charsets.
+
+4.1.1.2 'textWithLanguage'
+
+   The 'textWithLanguage' attribute syntax is a compound attribute
+   syntax consisting of two parts: a 'textWithoutLanguage' part plus an
+   additional 'naturalLanguage' (see section 4.1.8) part that overrides
+   the natural language in force.  The 'naturalLanguage' part explicitly
+   identifies the natural language that applies to the text part of that
+   value and that value alone.  For any give text attribute, the '
+   textWithoutLanguage' part is limited to the maximum length defined
+   for that attribute, but the 'naturalLanguage' part is always limited
+   to 63 octets. Using the 'textWithLanguage' attribute syntax rather
+   than the normal 'textWithoutLanguage' syntax is the so-called Natural
+   Language Override mechanism and MUST be supported by all IPP objects
+   and clients.
+
+   If the attribute is multi-valued (1setOf text), then the '
+   textWithLanguage' attribute syntax MUST be used to explicitly specify
+   each attribute value whose natural language needs to be overridden.
+   Other values in a multi-valued 'text' attribute in a request or a
+   response revert to the natural language of the operation attribute.
+
+   In a create request, the Printer object MUST accept and store with
+   the Job object any natural language in the "attributes-natural-
+   language" operation attribute, whether the Printer object supports
+   that natural language or not.  Furthermore, the Printer object MUST
+   accept and store any 'textWithLanguage' attribute value, whether the
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 61]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Printer object supports that natural language or not.  These
+   requirements are independent of the value of the "ipp-attribute-
+   fidelity" operation attribute that the client MAY supply.
+
+   Example: If the client supplies the "attributes-natural-language"
+   operation attribute with the value: 'en' indicating English, but the
+   value of the "job-name" attribute is in French, the client MUST use
+   the 'textWithLanguage' attribute syntax with the following two
+   values:
+
+     'fr': Natural Language Override indicating French
+     'Rapport Mensuel': the job name in French
+
+   See the Encoding and Transport document [RFC2565] for a detailed
+   example of the 'textWithLanguage' attribute syntax.
+
+4.1.2 'name'
+
+   This syntax type is used for user-friendly strings, such as a Printer
+   name, that, for humans, are more meaningful than identifiers.  Names
+   are never translated from one natural language to another.  The '
+   name' attribute syntax is essentially the same as 'text', including
+   the REQUIRED support of UTF-8 except that the sequence of characters
+   is limited so that its encoded form MUST NOT exceed 255 (MAX) octets.
+
+   Also like 'text', 'name' is really an abbreviated notation for either
+   'nameWithoutLanguage' or 'nameWithLanguage'.  That is, all IPP
+   objects and clients MUST support both the 'nameWithoutLanguage' and '
+   nameWithLanguage' attribute syntaxes.  However, in actual usage and
+   protocol execution, objects and clients accept and return only one of
+   the two syntax per attribute.  The syntax 'name' never appears "on-
+   the-wire".
+
+   Note: Only the 'text' and 'name' attribute syntaxes permit the
+   Natural Language Override mechanism.
+
+   Some attributes are defined as 'type3 keyword | name'.  These
+   attributes support values that are either type3 keywords or names.
+   This dual-syntax mechanism enables a site administrator to extend
+   these attributes to legally include values that are locally defined
+   by the site administrator.  Such names are not registered with IANA.
+
+4.1.2.1 'nameWithoutLanguage'
+
+   The 'nameWithoutLanguage' syntax indicates a value that is sequence
+   of zero or more characters so that its encoded form does not exceed
+   MAX octets.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 62]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.1.2.2 'nameWithLanguage'
+
+   The 'nameWithLanguage' attribute syntax is a compound attribute
+   syntax consisting of two parts: a 'nameWithoutLanguage' part plus an
+   additional 'naturalLanguage' (see section 4.1.8) part that overrides
+   the natural language in force.  The 'naturalLanguage' part explicitly
+   identifies the natural language that applies to that name value and
+   that name value alone.
+
+   The 'nameWithLanguage' attribute syntax behaves the same as the '
+   textWithLanguage' syntax.  If a name is in a language that is
+   different than the rest of the object or operation, then this '
+   nameWithLanguage' syntax is used rather than the generic '
+   nameWithoutLanguage' syntax.
+
+   Example: If the client supplies the "attributes-natural-language"
+   operation attribute with the value: 'en' indicating English, but the
+   "printer-name" attribute is in German, the client MUST use the '
+   nameWithLanguage' attribute syntax as follows:
+
+     'de':  Natural Language Override indicating German
+     'Farbdrucker':  the Printer name in German
+
+4.1.2.3 Matching 'name' attribute values
+
+   For purposes of matching two 'name' attribute values for equality,
+   such as in job validation (where a client-supplied value for
+   attribute "xxx" is checked to see if the value is among the values of
+   the Printer object's corresponding "xxx-supported" attribute), the
+   following match rules apply:
+
+        1. 'keyword' values never match 'name' values.
+
+        2. 'name' (nameWithoutLanguage and nameWithLanguage) values
+        match if (1) the name parts match and (2) the Associated
+        Natural-Language parts (see section 3.1.4.1) match.  The
+        matching rules are:
+
+             a. the name parts match if the two names are identical
+             character by character, except it is RECOMMENDED that case
+             be ignored.  For example: 'Ajax-letter-head-white' MUST
+             match 'Ajax-letter-head-white' and SHOULD match 'ajax-
+             letter-head-white' and 'AJAX-LETTER-HEAD-WHITE'.
+
+             b. the Associated Natural-Language parts match if the
+             shorter of the two meets the syntactic requirements of RFC
+             1766 [RFC1766] and matches byte for byte with the longer.
+             For example, 'en' matches 'en', 'en-us' and 'en-gb', but
+
+
+
+deBry, et al.                 Experimental                     [Page 63]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+             matches neither 'fr' nor 'e'.
+
+4.1.3 'keyword'
+
+   The 'keyword' attribute syntax is a sequence of characters, length: 1
+   to 255, containing only the US-ASCII [ASCII] encoded values for
+   lowercase letters ("a" - "z"), digits ("0" - "9"), hyphen ("-"), dot
+   ("."), and underscore ("_").  The first character MUST be a lowercase
+   letter.  Furthermore, keywords MUST be in U.S. English.
+
+   This syntax type is used for enumerating semantic identifiers of
+   entities in the abstract protocol, i.e., entities identified in this
+   document.  Keywords are used as attribute names or values of
+   attributes.  Unlike 'text' and 'name' attribute values, 'keyword'
+   values MUST NOT use the Natural Language Override mechanism, since
+   they MUST always be US-ASCII and U.S. English.
+
+   Keywords are for use in the protocol.  A user interface will likely
+   provide a mapping between protocol keywords and displayable user-
+   friendly words and phrases which are localized to the natural
+   language of the user.  While the keywords specified in this document
+   MAY be displayed to users whose natural language is U.S. English,
+   they MAY be mapped to other U.S. English words for U.S. English
+   users, since the user interface is outside the scope of this
+   document.
+
+   In the definition for each attribute of this syntax type, the full
+   set of defined keyword values for that attribute are listed.
+
+   When a keyword is used to represent an attribute (its name), it MUST
+   be unique within the full scope of all IPP objects and attributes.
+   When a keyword is used to represent a value of an attribute, it MUST
+   be unique just within the scope of that attribute.  That is, the same
+   keyword MUST NOT be used for two different values within the same
+   attribute to mean two different semantic ideas.  However, the same
+   keyword MAY be used across two or more attributes, representing
+   different semantic ideas for each attribute.  Section 6.1 describes
+   how the protocol can be extended with new keyword values.  Examples
+   of attribute name keywords:
+
+     "job-name"
+     "attributes-charset"
+
+   Note:  This document uses "type1", "type2", and "type3" prefixes to
+   the "keyword" basic syntax to indicate different levels of review for
+   extensions (see section 6.1).
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 64]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.1.4 'enum'
+
+   The 'enum' attribute syntax is an enumerated integer value that is in
+   the range from 1 to 2**31 - 1 (MAX).   Each value has an associated '
+   keyword' name.  In the definition for each attribute of this syntax
+   type, the full set of possible values for that attribute are listed.
+   This syntax type is used for attributes for which there are enum
+   values assigned by other standards, such as SNMP MIBs.  A number of
+   attribute enum values in this specification are also used for
+   corresponding attributes in other standards [RFC1759].  This syntax
+   type is not used for attributes to which the system administrator may
+   assign values.  Section 6.1 describes how the protocol can be
+   extended with new enum values.
+
+   Enum values are for use in the protocol.  A user interface will
+   provide a mapping between protocol enum values and displayable user-
+   friendly words and phrases which are localized to the natural
+   language of the user.  While the enum symbols specified in this
+   document MAY be displayed to users whose natural language is U.S.
+   English, they MAY be mapped to other U.S. English words for U.S.
+   English users, since the user interface is outside the scope of this
+   document.
+
+   Note: SNMP MIBs use '2' for 'unknown' which corresponds to the IPP
+   "out-of-band" value 'unknown'.  See the description of the "out-of-
+   band" values at the beginning of Section 4.1.  Therefore, attributes
+   of type 'enum' start at '3'.
+
+   Note:  This document uses "type1", "type2", and "type3" prefixes to
+   the "enum" basic syntax to indicate different levels of review for
+   extensions (see section 6.1).
+
+4.1.5 'uri'
+
+   The 'uri' attribute syntax is any valid Uniform Resource Identifier
+   or URI [RFC2396].  Most often, URIs are simply Uniform Resource
+   Locators or URLs.  The maximum length of URIs used as values of IPP
+   attributes is 1023 octets.  Although most other IPP attribute syntax
+   types allow for only lower-cased values, this attribute syntax type
+   conforms to the case-sensitive and case-insensitive rules specified
+   in [RFC2396].
+
+4.1.6 'uriScheme'
+
+   The 'uriScheme' attribute syntax is a sequence of characters
+   representing a URI scheme according to RFC 2396 [RFC2396].  Though
+   RFC 2396 requires that the values be case-insensitive, IPP requires
+
+
+
+
+deBry, et al.                 Experimental                     [Page 65]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   all lower case values in IPP attributes to simplify comparing by IPP
+   clients and Printer objects.  Standard values for this syntax type
+   are the following keywords:
+
+     'http':  for HTTP schemed URIs (e.g., "http:...")
+     'https':  for use with HTTPS schemed URIs (e.g., "https:...")
+        (not on IETF standards track)
+     'ftp': for FTP schemed URIs (e.g., "ftp:...")
+     'mailto': for SMTP schemed URIs (e.g., "mailto:...")
+     'file': for file schemed URIs (e.g., "file:...")
+
+   A Printer object MAY support any URI 'scheme' that has been
+   registered with IANA [IANA-MT]. The maximum length of URI 'scheme'
+   values used to represent IPP attribute values is 63 octets.
+
+4.1.7 'charset'
+
+   The 'charset' attribute syntax is a standard identifier for a
+   charset.  A charset is a coded character set and encoding scheme.
+   Charsets are used for labeling certain document contents and 'text'
+   and 'name' attribute values.  The syntax and semantics of this
+   attribute syntax are specified in RFC 2046 [RFC2046] and contained in
+   the IANA character-set Registry [IANA-CS] according to the IANA
+   procedures [RFC2278].  Though RFC 2046 requires that the values be
+   case-insensitive US-ASCII, IPP requires all lower case values in IPP
+   attributes to simplify comparing by IPP clients and Printer objects.
+   When a character-set in the IANA registry has more than one name
+   (alias), the name labeled as "(preferred MIME name)", if present,
+   MUST be used.
+
+   The maximum length of 'charset' values used to represent IPP
+   attribute values is 63 octets.
+
+   Some examples are:
+
+     'utf-8':  ISO 10646 Universal Multiple-Octet Coded Character Set
+        (UCS) represented as the UTF-8 [RFC2279] transfer encoding
+        scheme in which US-ASCII is a subset charset.
+     'us-ascii':  7-bit American Standard Code for Information
+        Interchange (ASCII), ANSI X3.4-1986 [ASCII].  That standard
+        defines US-ASCII, but RFC 2045 [RFC2045] eliminates most of the
+        control characters from conformant usage in MIME and IPP.
+     'iso-8859-1':  8-bit One-Byte Coded Character Set, Latin Alphabet
+        Nr 1 [ISO8859-1].  That standard defines a coded character set
+        that is used by Latin languages in the Western Hemisphere and
+        Western Europe.  US-ASCII is a subset charset.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 66]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'iso-10646-ucs-2':  ISO 10646 Universal Multiple-Octet Coded
+        Character Set (UCS) represented as two octets (UCS-2), with the
+        high order octet of each pair coming first (so-called Big Endian
+        integer).
+
+   Some attribute descriptions MAY place additional requirements on
+   charset values that may be used, such as REQUIRED values that MUST be
+   supported or additional restrictions, such as requiring that the
+   charset have US-ASCII as a subset charset.
+
+4.1.8 'naturalLanguage'
+
+   The 'naturalLanguage' attribute syntax is a standard identifier for a
+   natural language and optionally a country.  The values for this
+   syntax type are defined by RFC 1766 [RFC1766].  Though RFC 1766
+   requires that the values be case-insensitive US-ASCII, IPP requires
+   all lower case to simplify comparing by IPP clients and Printer
+   objects.  Examples include:
+
+     'en':  for English
+     'en-us': for US English
+     'fr': for French
+     'de':  for German
+
+   The maximum length of 'naturalLanguage' values used to represent IPP
+   attribute values is 63 octets.
+
+4.1.9 'mimeMediaType'
+
+   The 'mimeMediaType' attribute syntax is the Internet Media Type
+   (sometimes called MIME type) as defined by RFC 2046 [RFC2046] and
+   registered according to the procedures of RFC 2048 [RFC2048] for
+   identifying a document format.  The value MAY include a charset
+   parameter, depending on the specification of the Media Type in the
+   IANA Registry [IANA-MT].  Although most other IPP syntax types allow
+   for only lower-cased values, this syntax type allows for mixed-case
+   values which are case-insensitive.
+
+   Examples are:
+
+     'text/html': An HTML document
+     'text/plain': A plain text document in US-ASCII (RFC 2046 indicates
+        that in the absence of the charset parameter MUST mean US-ASCII
+        rather than simply unspecified) [RFC2046].
+     'text/plain; charset=US-ASCII':  A plain text document in US-ASCII
+        [52, 56].
+     'text/plain; charset=ISO-8859-1':  A plain text document in ISO
+        8859-1 (Latin 1) [ISO8859-1].
+
+
+
+deBry, et al.                 Experimental                     [Page 67]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'text/plain; charset=utf-8':  A plain text document in ISO 10646
+        represented as UTF-8 [RFC2279]
+     'text/plain, charset=iso-10646-ucs-2':  A plain text document in
+        ISO 10646 represented in two octets (UCS-2) [ISO10646-1]
+     'application/postscript':  A PostScript document [RFC2046]
+     'application/vnd.hp-PCL':  A PCL document [IANA-MT] (charset escape
+        sequence embedded in the document data)
+     'application/octet-stream':  Auto-sense - see below
+
+   One special type is 'application/octet-stream'.  If the Printer
+   object supports this value, the Printer object MUST be capable of
+   auto-sensing the format of the document data.  If the Printer
+   object's default value attribute "document-format-default" is set to
+   'application/octet-stream', the Printer object not only supports
+   auto-sensing of the document format, but will depend on the result of
+   applying its auto-sensing when the client does not supply the
+   "document-format" attribute.  If the client supplies a document
+   format value, the Printer MUST rely on the supplied attribute, rather
+   than trust its auto-sensing algorithm.  To summarize:
+
+     1. If the client does not supply a document format value, the
+        Printer MUST rely on its default value setting (which may be '
+        application/octet-stream' indicating an auto-sensing mechanism).
+     2. If the client supplies a value other than 'application/octet-
+        stream', the client is supplying valid information about the
+        format of the document data and the Printer object MUST trust
+        the client supplied value more than the outcome of applying an
+        automatic format detection mechanism.  For example, the client
+        may be requesting the printing of a PostScript file as a '
+        text/plain' document.  The Printer object MUST print a text
+        representation of the PostScript commands rather than interpret
+        the stream of PostScript commands and print the result.
+     3. If the client supplies a value of 'application/octet-stream',
+        the client is indicating that the Printer object MUST use its
+        auto-sensing mechanism on the client supplied document data
+        whether auto-sensing is the Printer object's default or not.
+
+   Note:  Since the auto-sensing algorithm is probabilistic, if the
+   client requests both auto-sensing ("document-format" set to '
+   application/octet-stream') and true fidelity ("ipp-attribute-
+   fidelity" set to 'true'), the Printer object might not be able to
+   guarantee exactly what the end user intended (the auto-sensing
+   algorithm might mistake one document format for another ), but it is
+   able to guarantee that its auto-sensing mechanism be used.
+
+   The maximum length of a 'mimeMediaType' value to represent IPP
+   attribute values is 255 octets.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 68]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.1.10 'octetString'
+
+   The 'octetString' attribute syntax is a sequence of octets encoded in
+   a maximum of 1023 octets which is indicated in sub-section headers
+   using the notation: octetString(MAX).  This syntax type is used for
+   opaque data.
+
+4.1.11 'boolean'
+
+   The 'boolean' attribute syntax has only two values:  'true' and '
+   false'.
+
+4.1.12 'integer'
+
+   The 'integer' attribute syntax is an integer value that is in the
+   range from -2**31 (MIN) to 2**31 - 1 (MAX).  Each individual
+   attribute may specify the range constraint explicitly in sub-section
+   headers if the range is different from the full range of possible
+   integer values.  For example:  job-priority (integer(1:100)) for the
+   "job-priority" attribute.  However, the enforcement of that
+   additional constraint is up to the IPP objects, not the protocol.
+
+4.1.13 'rangeOfInteger'
+
+   The 'rangeOfInteger' attribute syntax is an ordered pair of integers
+   that defines an inclusive range of integer values.  The first integer
+   specifies the lower bound and the second specifies the upper bound.
+   If a range constraint is specified in the header description for an
+   attribute in this document whose attribute syntax is 'rangeOfInteger'
+   (i.e., 'X:Y' indicating X as a minimum value and Y as a maximum
+   value), then the constraint applies to both integers.
+
+4.1.14 'dateTime'
+
+   The 'dateTime' attribute syntax is a standard, fixed length, 11 octet
+   representation of the "DateAndTime" syntax as defined in RFC 2579
+   [RFC2579].  RFC 2579 also identifies an 8 octet representation of a
+   "DateAndTime" value, but IPP objects MUST use the 11 octet
+   representation.  A user interface will provide a mapping between
+   protocol dateTime values and displayable user-friendly words or
+   presentation values and phrases  which are localized to the natural
+   language and date format of the user.
+
+4.1.15 'resolution'
+
+   The 'resolution' attribute syntax specifies a two-dimensional
+   resolution in the indicated units.  It consists of 3 values: a cross
+   feed direction resolution (positive integer value), a feed direction
+
+
+
+deBry, et al.                 Experimental                     [Page 69]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   resolution (positive integer value), and a units value.  The
+   semantics of these three components are taken from the Printer MIB
+   [RFC1759] suggested values.  That is, the cross feed direction
+   component resolution component is the same as the
+   prtMarkerAddressabilityXFeedDir object in the Printer MIB, the feed
+   direction component resolution component is the same as the
+   prtMarkerAddressabilityFeedDir in the Printer MIB, and the units
+   component is the same as the prtMarkerAddressabilityUnit object in
+   the Printer MIB (namely, '3' indicates dots per inch and '4'
+   indicates dots per centimeter).  All three values MUST be present
+   even if the first two values are the same.  Example:  '300', '600', '
+   3' indicates a 300 dpi cross-feed direction resolution, a 600 dpi
+   feed direction resolution, since a '3' indicates dots per inch (dpi).
+
+4.1.16 '1setOf  X'
+
+   The '1setOf  X' attribute syntax is 1 or more values of attribute
+   syntax type X.  This syntax type is used for multi-valued attributes.
+   The syntax type is called '1setOf' rather than just 'setOf' as a
+   reminder that the set of values MUST NOT be empty (i.e., a set of
+   size 0).  Sets are normally unordered.  However each attribute
+   description of this type may specify that the values MUST be in a
+   certain order for that attribute.
+
+4.2 Job Template Attributes
+
+   Job Template attributes describe job processing behavior.  Support
+   for Job Template attributes by a Printer object is OPTIONAL (see
+   section 13.2.3 for a description of support for OPTIONAL attributes).
+   Also, clients OPTIONALLY supply Job Template attributes in create
+   requests.
+
+   Job Template attributes conform to the following rules.  For each Job
+   Template attribute called "xxx":
+
+     1. If the Printer object supports "xxx" then it MUST support both a
+        "xxx-default" attribute (unless there is a "No" in the table
+        below) and a "xxx-supported" attribute.  If the Printer object
+        doesn't support "xxx", then it MUST support neither an "xxx-
+        default" attribute nor an "xxx-supported" attribute, and it MUST
+        treat an attribute "xxx" supplied by a client as unsupported.
+        An attribute "xxx" may be supported for some document formats
+        and not supported for other document formats.  For example, it
+        is expected that a Printer object would only support
+        "orientation-requested" for some document formats (such as '
+        text/plain' or 'text/html') but not others (such as '
+        application/postscript').
+
+
+
+
+deBry, et al.                 Experimental                     [Page 70]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     2. "xxx" is OPTIONALLY supplied by the client in a create request.
+        If "xxx" is supplied, the client is indicating a desired job
+        processing behavior for this Job.  When "xxx" is not supplied,
+        the client is indicating that the Printer object apply its
+        default job processing behavior at job processing time if the
+        document content does not contain an embedded instruction
+        indicating an xxx-related behavior.
+
+        Note: Since an administrator MAY change the default value
+        attribute after a Job object has been submitted but before it
+        has been processed, the default value used by the Printer object
+        at job processing time may be different that the default value
+        in effect at job submission time.
+
+     3. The "xxx-supported" attribute is a Printer object attribute that
+        describes which job processing behaviors are supported by that
+        Printer object.  A client can query the Printer object to find
+        out what xxx-related behaviors are supported by inspecting the
+        returned values of the "xxx-supported" attribute.
+
+        Note: The "xxx" in each "xxx-supported" attribute name is
+        singular, even though an "xxx-supported" attribute usually has
+        more than one value, such as "job-sheet-supported", unless the
+        "xxx" Job Template attribute is plural, such as "finishings" or
+        "sides".  In such cases the "xxx-supported" attribute names are:
+        "finishings-supported" and "sides-supported".
+
+     4. The "xxx-default" default value attribute describes what will be
+        done at job processing time when no other job processing
+        information is supplied by the client (either explicitly as an
+        IPP attribute in the create request or implicitly as an embedded
+        instruction within the document data).
+
+   If an application wishes to present an end user with a list of
+   supported values from which to choose, the application SHOULD query
+   the Printer object for its supported value attributes.  The
+   application SHOULD also query the default value attributes.  If the
+   application then limits selectable values to only those value that
+   are supported, the application can guarantee that the values supplied
+   by the client in the create request all fall within the set of
+   supported values at the Printer.  When querying the Printer, the
+   client MAY enumerate each attribute by name in the Get-Printer-
+   Attributes Request, or the client MAY just name the "job-template"
+   group in order to get the complete set of supported attributes (both
+   supported and default attributes).
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 71]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   The "finishings" attribute is an example of a Job Template attribute.
+   It can take on a set of values such as 'staple', 'punch', and/or '
+   cover'.  A client can query the Printer object for the "finishings-
+   supported" attribute and the "finishings-default" attribute.  The
+   supported attribute contains a set of supported values.  The default
+   value attribute contains the finishing value(s) that will be used for
+   a new Job if the client does not supply a "finishings" attribute in
+   the create request and the document data does not contain any
+   corresponding finishing instructions.  If the client does supply the
+   "finishings" attribute in the create request, the IPP object
+   validates the value or values to make sure that they are a subset of
+   the supported values identified in the Printer object's "finishings-
+   supported" attribute.  See section 3.2.1.2.
+
+   The table below summarizes the names and relationships for all Job
+   Template attributes. The first column of the table (labeled "Job
+   Attribute") shows the name and syntax for each Job Template attribute
+   in the Job object. These are the attributes that can optionally be
+   supplied by the client in a create request.   The last two columns
+   (labeled "Printer: Default Value Attribute" and "Printer: Supported
+   Values Attribute") shows the name and syntax for each Job Template
+   attribute in the Printer object (the default value attribute and the
+   supported values attribute).  A "No" in the table means the Printer
+   MUST NOT support the attribute (that is, the attribute is simply not
+   applicable).  For brevity in the table, the 'text' and 'name' entries
+   do not show the maximum length for each attribute.
+
+     +===================+======================+======================+
+     | Job Attribute     |Printer: Default Value|  Printer: Supported  |
+     |                   |   Attribute          |   Values Attribute   |
+     +===================+======================+======================+
+     | job-priority      | job-priority-default |job-priority-supported|
+     | (integer 1:100)   | (integer 1:100)      |(integer 1:100)       |
+     +-------------------+----------------------+----------------------+
+     | job-hold-until    | job-hold-until-      |job-hold-until-       |
+     | (type3 keyword |  |  default             | supported            |
+     |    name)          |  (type3 keyword |    |(1setOf               |
+     |                   |    name)             | type3 keyword | name)|
+     +-------------------+----------------------+----------------------+
+     | job-sheets        | job-sheets-default   |job-sheets-supported  |
+     | (type3 keyword |  | (type3 keyword |     |(1setOf               |
+     |    name)          |    name)             | type3 keyword | name)|
+     +-------------------+----------------------+----------------------+
+     |multiple-document- |multiple-document-    |multiple-document-    |
+     | handling          | handling-default     |handling-supported    |
+     | (type2 keyword)   | (type2 keyword)      |(1setOf type2 keyword)|
+     +-------------------+----------------------+----------------------+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 72]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     +===================+======================+======================+
+     | Job Attribute     |Printer: Default Value|  Printer: Supported  |
+     |                   |   Attribute          |   Values Attribute   |
+     +===================+======================+======================+
+     | copies            | copies-default       | copies-supported     |
+     | (integer (1:MAX)) | (integer (1:MAX))    | (rangeOfInteger      |
+     |                   |                      |       (1:MAX))       |
+     +-------------------+----------------------+----------------------+
+     | finishings        | finishings-default   | finishings-supported |
+     |(1setOf type2 enum)|(1setOf type2 enum)   |(1setOf type2 enum)   |
+     +-------------------+----------------------+----------------------+
+     | page-ranges       | No                   | page-ranges-         |
+     | (1setOf           |                      | supported (boolean)  |
+     |   rangeOfInteger  |                      |                      |
+     |        (1:MAX))   |                      |                      |
+     +-------------------+----------------------+----------------------+
+     | sides             | sides-default        | sides-supported      |
+     | (type2 keyword)   | (type2 keyword)      |(1setOf type2 keyword)|
+     +-------------------+----------------------+----------------------+
+     | number-up         | number-up-default    | number-up-supported  |
+     | (integer (1:MAX)) | (integer (1:MAX))    |(1setOf integer       |
+     |                   |                      | (1:MAX) |            |
+     |                   |                      |  rangeOfInteger      |
+     |                   |                      |   (1:MAX))           |
+     +-------------------+----------------------+----------------------+
+     | orientation-      |orientation-requested-|orientation-requested-|
+     |  requested        |  default             |  supported           |
+     |   (type2 enum)    |  (type2 enum)        |  (1setOf type2 enum) |
+     +-------------------+----------------------+----------------------+
+     | media             | media-default        | media-supported      |
+     | (type3 keyword |  | (type3 keyword |     |(1setOf               |
+     |    name)          |    name)             | type3 keyword | name)|
+     |                   |                      |                      |
+     |                   |                      | media-ready          |
+     |                   |                      |(1setOf               |
+     |                   |                      | type3 keyword | name)|
+     +-------------------+----------------------+----------------------+
+     | printer-resolution| printer-resolution-  | printer-resolution-  |
+     | (resolution)      |  default             | supported            |
+     |                   | (resolution)         |(1setOf resolution)   |
+     +-------------------+----------------------+----------------------+
+     | print-quality     | print-quality-default| print-quality-       |
+     | (type2 enum)      | (type2 enum)         | supported            |
+     |                   |                      |(1setOf type2 enum)   |
+     +-------------------+----------------------+----------------------+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 73]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.2.1 job-priority (integer(1:100))
+
+   This attribute specifies a priority for scheduling the Job. A higher
+   value specifies a higher priority. The value 1 indicates the lowest
+   possible priority. The value 100 indicates the highest possible
+   priority.  Among those jobs that are ready to print, a Printer MUST
+   print all jobs with a priority value of n before printing those with
+   a priority value of n-1 for all n.
+
+   If the Printer object supports this attribute, it MUST always support
+   the full range from 1 to 100.  No administrative restrictions are
+   permitted.  This way an end-user can always make full use of the
+   entire range with any Printer object.  If privileged jobs are
+   implemented outside IPP/1.0, they MUST have priorities higher than
+   100, rather than restricting the range available to end-users.
+
+   If the client does not supply this attribute and this attribute is
+   supported by the Printer object, the Printer object MUST use the
+   value of the Printer object's "job-priority-default" at job
+   submission time (unlike most Job Template attributes that are used if
+   necessary at job processing time).
+
+   The syntax for the "job-priority-supported" is also integer(1:100).
+   This single integer value indicates the number of priority levels
+   supported.  The Printer object MUST take the value supplied by the
+   client and map it to the closest integer in a sequence of n integers
+   values that are evenly distributed over the range from 1 to 100 using
+   the formula:
+
+        roundToNearestInt((100x+50)/n)
+
+   where n is the value of "job-priority-supported" and x ranges from 0
+   through n-1.
+
+   For example, if n=1 the sequence of values is 50;  if n=2, the
+   sequence of values is:  25 and 75;  if n = 3, the sequence of values
+   is:  17, 50 and 83;  if n = 10, the sequence of values is: 5, 15, 25,
+   35, 45, 55, 65, 75, 85, and 95;  if n = 100, the sequence of values
+   is:  1, 2, 3, .  100.
+
+   If the value of the Printer object's "job-priority-supported" is 10
+   and the client supplies values in the range 1 to 10, the Printer
+   object maps them to 5, in the range 11 to 20, the Printer object maps
+   them to 15, etc.
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 74]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.2.2 job-hold-until (type3 keyword | name (MAX))
+
+   This attribute specifies the named time period during which the Job
+   MUST become a candidate for printing.
+
+   Standard keyword values for named time periods are:
+
+     'no-hold': immediately, if there are not other reasons to hold the
+        job
+     'day-time': during the day
+     'evening': evening
+     'night': night
+     'weekend': weekend
+     'second-shift': second-shift (after close of business)
+     'third-shift': third-shift (after midnight)
+
+   An administrator MUST associate allowable print times with a named
+   time period (by means outside IPP/1.0).  An administrator is
+   encouraged to pick names that suggest the type of time period. An
+   administrator MAY define additional values using the 'name' or '
+   keyword' attribute syntax, depending on implementation.
+
+   If the value of this attribute specifies a time period that is in the
+   future, the Printer MUST add the 'job-hold-until-specified' value to
+   the job's "job-state-reasons" attribute, move the job to the '
+   pending-held' state, and MUST NOT schedule the job for printing until
+   the specified time-period arrives.  When the specified time period
+   arrives, the Printer MUST remove the 'job-hold-until-specified' value
+   from the job's "job-state-reason" attribute and, if there are no
+   other job state reasons that keep the job in the 'pending-held'
+   state, the Printer MUST consider the job as a candidate for
+   processing by moving the job to the 'pending' state.
+
+   If this job attribute value is the named value 'no-hold', or the
+   specified time period has already started, the job MUST be a
+   candidate for processing immediately.
+
+   If the client does not supply this attribute and this attribute is
+   supported by the Printer object, the Printer object MUST use the
+   value of the Printer object's "job-hold-until-default" at job
+   submission time (unlike most Job Template attributes that are used if
+   necessary at job processing time).
+
+4.2.3 job-sheets (type3 keyword | name(MAX))
+
+   This attribute determines which job start/end sheet(s), if any, MUST
+   be printed with a job.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 75]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Standard keyword values are:
+
+     'none': no job sheet is printed
+     'standard': one or more site specific standard job sheets are
+        printed, e.g. a single start sheet or both start and end sheet
+        is printed
+
+   An administrator MAY define additional values using the 'name' or '
+   keyword' attribute syntax, depending on implementation.
+
+   Note: The effect of this attribute on jobs with multiple documents
+   MAY be affected by the "multiple-document-handling" job attribute
+   (section 4.2.4), depending on the job sheet semantics.
+
+4.2.4 multiple-document-handling (type2 keyword)
+
+   This attribute is relevant only if a job consists of two or more
+   documents. The attribute controls finishing operations and the
+   placement of one or more print-stream pages into impressions and onto
+   media sheets.  When the value of the "copies" attribute exceeds 1, it
+   also controls the order in which the copies that result from
+   processing the documents are produced. For the purposes of this
+   explanations, if "a" represents an instance of document data, then
+   the result of processing the data in document "a" is a sequence of
+   media sheets represented by "a(*)".
+
+   Standard keyword values are:
+
+     'single-document': If a Job object has multiple documents, say, the
+        document data is called a and b, then the result of processing
+        all the document data (a and then b) MUST be treated as a single
+        sequence of media sheets for finishing operations; that is,
+        finishing would be performed on the concatenation of the
+        sequences a(*),b(*).  The Printer object MUST NOT force the data
+        in each document instance to be formatted onto a new print-
+        stream page, nor to start a new impression on a new media sheet.
+        If more than one copy is made, the ordering of the sets of media
+        sheets resulting from processing the document data MUST be a(*),
+        b(*), a(*), b(*), ..., and the Printer object MUST force each
+        copy (a(*),b(*)) to start on a new media sheet.
+     'separate-documents-uncollated-copies': If a Job object has
+        multiple documents, say, the document data is called a and b,
+        then the result of processing the data in each document instance
+        MUST be treated as a single sequence of media sheets for
+        finishing operations; that is, the sets a(*) and b(*) would each
+        be finished separately. The Printer object MUST force each copy
+        of the result of processing the data in a single document to
+        start on a new media sheet. If more than one copy is made, the
+
+
+
+deBry, et al.                 Experimental                     [Page 76]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        ordering of the sets of media sheets resulting from processing
+        the document data MUST be a(*), a(*), ..., b(*), b(*) ... .
+     'separate-documents-collated-copies': If a Job object has multiple
+        documents, say, the document data is called a and b, then the
+        result of processing the data in each document instance MUST be
+        treated as a single sequence of media sheets for finishing
+        operations; that is, the sets a(*) and b(*) would each be
+        finished separately. The Printer object MUST force each copy of
+        the result of processing the data in a single document to start
+        on a new media sheet.  If more than one copy is made, the
+        ordering of the sets of media sheets resulting from processing
+        the document data MUST be a(*), b(*), a(*), b(*), ... .
+     'single-document-new-sheet':  Same as 'single-document', except
+        that the Printer object MUST ensure that the first impression of
+        each document instance in the job is placed on a new media
+        sheet.  This value allows multiple documents to be stapled
+        together with a single staple where each document starts on a
+        new sheet.
+
+   The 'single-document' value is the same as 'separate-documents-
+   collated-copies' with respect to ordering of print-stream pages, but
+   not media sheet generation, since 'single-document' will put the
+   first page of the next document on the back side of a sheet if an odd
+   number of pages have been produced so far for the job, while '
+   separate-documents-collated-copies' always forces the next document
+   or document copy on to a new sheet.  In addition, if the "finishings"
+   attribute specifies 'staple', then with 'single-document', documents
+   a and b are stapled together as a single document with no regard to
+   new sheets, with 'single-document-new-sheet', documents a and b are
+   stapled together as a single document, but document b starts on a new
+   sheet, but with 'separate-documents-uncollated-copies' and '
+   separate-documents-collated-copies', documents a and b are stapled
+   separately.
+
+   Note: None of these values provide means to produce uncollated sheets
+   within a document, i.e., where multiple copies of sheet n are
+   produced before sheet n+1 of the same document.
+
+   The relationship of this attribute and the other attributes that
+   control document processing is described in section 15.3.
+
+4.2.5 copies (integer(1:MAX))
+
+   This attribute specifies the number of copies to be printed.
+
+   On many devices the supported number of collated copies will be
+   limited by the number of physical output bins on the device, and may
+   be different from the number of uncollated copies which can be
+
+
+
+deBry, et al.                 Experimental                     [Page 77]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   supported.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.6 finishings (1setOf type2 enum)
+
+   This attribute identifies the finishing operations that the Printer
+   uses for each copy of each printed document in the Job. For Jobs with
+   multiple documents, the "multiple-document-handling" attribute
+   determines what constitutes a "copy" for purposes of finishing.
+
+   Standard enum values are:
+
+     Value  Symbolic Name and Description
+
+     '3'    'none':  Perform no finishing
+     '4'    'staple':  Bind the document(s) with one or more staples.
+                  The exact number and placement of the staples is
+                  site-defined.
+     '5'    'punch':  This value indicates that holes are required in
+                  the finished document. The exact number and placement
+                  of the holes is site-defined  The punch specification
+                  MAY be satisfied (in a site- and implementation-
+                  specific manner) either by drilling/punching, or by
+                  substituting pre-drilled media.
+     '6'    'cover':  This value is specified when it is desired to
+                  select a non-printed (or pre-printed) cover for the
+                  document.  This does not supplant the specification of
+                  a printed cover (on cover stock medium) by the
+                  document itself.
+     '7'    'bind':  This value indicates that a binding is to be
+                  applied to the document; the type and placement of the
+                  binding is site-defined."
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+   If the client supplies a value of 'none' along with any other
+   combination of values, it is the same as if only that other
+   combination of values had been supplied (that is the 'none' value has
+   no effect).
+
+
+
+deBry, et al.                 Experimental                     [Page 78]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.2.7 page-ranges (1setOf rangeOfInteger (1:MAX))
+
+   This attribute identifies the range(s) of print-stream pages that the
+   Printer object uses for each copy of each document which are to be
+   printed.  Nothing is printed for any pages identified that do not
+   exist in the document(s).  Ranges MUST be in ascending order, for
+   example: 1-3, 5-7, 15-19 and MUST NOT overlap, so that a non-spooling
+   Printer object can process the job in a single pass.  If the ranges
+   are not ascending or are overlapping, the IPP object MUST reject the
+   request and return the 'client-error-bad-request' status code.  The
+   attribute is associated with print-stream pages not application-
+   numbered pages (for example, the page numbers found in the headers
+   and or footers for certain word processing applications).
+
+   For Jobs with multiple documents, the "multiple-document-handling"
+   attribute determines what constitutes a "copy" for purposes of the
+   specified page range(s).  When "multiple-document-handling" is '
+   single-document', the Printer object MUST apply each supplied page
+   range once to the concatenation of the print-stream pages.  For
+   example, if there are 8 documents of 10 pages each, the page-range '
+   41:60' prints the pages in the 5th and 6th documents as a single
+   document and none of the pages of the other documents are printed.
+   When "multiple-document-handling" is 'separate-documents-uncollated-
+   copies' or 'separate-documents-collated-copies', the Printer object
+   MUST apply each supplied page range repeatedly to each document copy.
+   For the same job, the page-range '1:3, 10:10' would print the first 3
+   pages and the 10th page of each of the 8 documents in the Job, as 8
+   separate documents.
+
+   In most cases, the exact pages to be printed will be generated by a
+   device driver and this attribute would not be required.  However,
+   when printing an archived document which has already been formatted,
+   the end user may elect to print just a subset of the pages contained
+   in the document.  In this case, if page-range = n.m is specified, the
+   first page to be printed will be page n. All subsequent pages of the
+   document will be printed through and including page m.
+
+   "page-ranges-supported" is a boolean value indicating whether or not
+   the printer is capable of supporting the printing of page ranges.
+   This capability may differ from one PDL to another. There is no
+   "page-ranges-default" attribute.  If the "page-ranges" attribute is
+   not supplied by the client, all pages of the document will be
+   printed.
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 79]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.8 sides (type2 keyword)
+
+   This attribute specifies how print-stream pages are to be imposed
+   upon the sides of an instance of a selected medium, i.e., an
+   impression.
+
+   The standard keyword values are:
+
+     'one-sided': imposes each consecutive print-stream page upon the
+        same side of consecutive media sheets.
+     'two-sided-long-edge': imposes each consecutive pair of print-
+        stream pages upon front and back sides of consecutive media
+        sheets, such that the orientation of each pair of print-stream
+        pages on the medium would be correct for the reader as if for
+        binding on the long edge.  This imposition is sometimes called '
+        duplex' or 'head-to-head'.
+     'two-sided-short-edge': imposes each consecutive pair of print-
+        stream pages upon front and back sides of consecutive media
+        sheets, such that the orientation of each pair of print-stream
+        pages on the medium would be correct for the reader as if for
+        binding on the short edge.  This imposition is sometimes called
+        'tumble' or 'head-to-toe'.
+
+   'two-sided-long-edge', 'two-sided-short-edge', 'tumble', and 'duplex'
+   all work the same for portrait or landscape.  However 'head-to-toe'
+   is 'tumble' in portrait but 'duplex' in landscape.  'head-to-head'
+   also switches between 'duplex' and 'tumble' when using portrait and
+   landscape modes.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.9 number-up (integer(1:MAX))
+
+   This attribute specifies the number of print-stream pages to impose
+   upon a single side of an instance of a selected medium.  For example,
+   if the value is:
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 80]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     Value  Description
+
+     '1'    the Printer MUST place one print-stream page on a single
+                  side of an instance of the selected medium (MAY add
+                  some sort of translation, scaling, or rotation).
+     '2'    the Printer MUST place two print-stream pages on a single
+                  side of an instance of the selected medium (MAY add
+                  some sort of translation, scaling, or rotation).
+     '4'    the Printer MUST place four print-stream pages on a single
+                  side of an instance of the selected medium (MAY add
+                  some sort of translation, scaling, or rotation).
+
+   This attribute primarily controls the translation, scaling and
+   rotation of print-stream pages.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.10 orientation-requested (type2 enum)
+
+   This attribute indicates the desired orientation for printed print-
+   stream pages; it does not describe the orientation of the client-
+   supplied print-stream pages.
+
+   For some document formats (such as 'application/postscript'), the
+   desired orientation of the print-stream pages is specified within the
+   document data.  This information is generated by a device driver
+   prior to the submission of the print job.  Other document formats
+   (such as 'text/plain') do not include the notion of desired
+   orientation within the document data.  In the latter case it is
+   possible for the Printer object to bind the desired orientation to
+   the document data after it has been submitted.  It is expected that a
+   Printer object would only support "orientations-requested" for some
+   document formats (e.g., 'text/plain' or 'text/html') but not others
+   (e.g., 'application/postscript').  This is no different than any
+   other Job Template attribute since section 4.2, item 1, points out
+   that a Printer object may support or not support any Job Template
+   attribute based on the document format supplied by the client.
+   However, a special mention is made here since it is very likely that
+   a Printer object will support "orientation-requested" for only a
+   subset of the supported document formats.
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 81]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Standard enum values are:
+
+     Value  Symbolic Name and Description
+
+     '3'    'portrait':  The content will be imaged across the short
+                  edge of the medium.
+     '4'    'landscape':  The content will be imaged across the long
+                  edge of the medium.  Landscape is defined to be a
+                  rotation of the print-stream page to be imaged by +90
+                  degrees with respect to the medium (i.e. anti-
+                  clockwise) from the portrait orientation.  Note:  The
+                  +90 direction was chosen because simple finishing on
+                  the long edge is the same edge whether portrait or
+                  landscape
+     '5'    'reverse-landscape':  The content will be imaged across the
+                  long edge of the medium.  Reverse-landscape is defined
+                  to be a rotation of the print-stream page to be imaged
+                  by - 90 degrees with respect to the medium (i.e.
+                  clockwise) from the portrait orientation.  Note: The '
+                  reverse-landscape' value was added because some
+                  applications rotate landscape -90 degrees from
+                  portrait, rather than +90 degrees.
+     '6'    'reverse-portrait':  The content will be imaged across the
+                  short edge of the medium.  Reverse-portrait is defined
+                  to be a rotation of the print-stream page to be imaged
+                  by 180 degrees with respect to the medium from the
+                  portrait orientation.  Note: The 'reverse-portrait'
+                  value was added for use with the "finishings"
+                  attribute in cases where the opposite edge is desired
+                  for finishing a portrait document on simple finishing
+                  devices that have only one finishing position.  Thus a
+                  'text'/plain' portrait document can be stapled "on the
+                  right" by a simple finishing device as is common use
+                  with some middle eastern languages such as Hebrew.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.11 media (type3 keyword | name(MAX))
+
+   This attribute identifies the medium that the Printer uses for all
+   impressions of the Job.
+
+   The values for "media" include medium-names, medium-sizes, input-
+   trays and electronic forms so that one attribute specifies the media.
+
+
+
+deBry, et al.                 Experimental                     [Page 82]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   If a Printer object supports a medium name as a value of this
+   attribute, such a medium name implicitly selects an input-tray that
+   contains the specified medium.  If a Printer object supports a medium
+   size as a value of this attribute, such a medium size implicitly
+   selects a medium name that in turn implicitly selects an input-tray
+   that contains the medium with the specified size.  If a Printer
+   object supports an input-tray as the value of this attribute, such an
+   input-tray implicitly selects the medium that is in that input-tray
+   at the time the job prints.  This case includes manual-feed input-
+   trays.  If a Printer object supports an electronic form as the value
+   of this attribute, such an electronic form implicitly selects a
+   medium-name that in turn implicitly selects an input-tray that
+   contains the medium specified by the electronic form.  The electronic
+   form also implicitly selects an image that the Printer MUST merge
+   with the document data as its prints each page.
+
+   Standard keyword values are (taken from ISO DPA and the Printer MIB)
+   and are listed in section 14. An administrator MAY define additional
+   values using the 'name' or 'keyword' attribute syntax, depending on
+   implementation.
+
+   There is also an additional Printer attribute named "media-ready"
+   which differs from "media-supported" in that legal values only
+   include the subset of "media-supported" values that are physically
+   loaded and ready for printing with no operator intervention required.
+   If an IPP object supports "media-supported", it NEED NOT support
+   "media-ready".
+
+   The relationship of this attribute and the other attributes that
+   control document processing is described in section 15.3.
+
+4.2.12 printer-resolution (resolution)
+
+   This attribute identifies the resolution that Printer uses for the
+   Job.
+
+4.2.13 print-quality (type2 enum)
+
+   This attribute specifies the print quality that the Printer uses for
+   the Job.
+
+   The standard enum values are:
+
+     Value  Symbolic Name and Description
+
+     '3'    'draft': lowest quality available on the printer
+     '4'    'normal': normal or intermediate quality on the printer
+     '5'    'high': highest quality available on the printer
+
+
+
+deBry, et al.                 Experimental                     [Page 83]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.3 Job Description Attributes
+
+   The attributes in this section form the attribute group called "job-
+   description".  The following table summarizes these attributes.  The
+   third column indicates whether the attribute is a REQUIRED attribute
+   that MUST be supported by Printer objects.  If it is not indicated as
+   REQUIRED, then it is OPTIONAL.  The maximum size in octets for 'text'
+   and 'name' attributes is indicated in parenthesizes.
+
+   +----------------------------+----------------------+----------------+
+   |      Attribute             |     Syntax           |   REQUIRED?    |
+   +----------------------------+----------------------+----------------+
+   | job-uri                    | uri                  |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | job-id                     | integer(1:MAX)       |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | job-printer-uri            | uri                  |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | job-more-info              | uri                  |                |
+   +----------------------------+----------------------+----------------+
+   | job-name                   | name (MAX)           |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | job-originating-user-name  | name (MAX)           |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | job-state                  | type1 enum           |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | job-state-reasons          | 1setOf type2 keyword |                |
+   +----------------------------+----------------------+----------------+
+   | job-state-message          | text (MAX)           |                |
+   +----------------------------+----------------------+----------------+
+   | number-of-documents        | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | output-device-assigned     | name (127)           |                |
+   +----------------------------+----------------------+----------------+
+   | time-at-creation           | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | time-at-processing         | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | time-at-completed          | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | number-of-intervening-jobs | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | job-message-from-operator  | text (127)           |                |
+   +----------------------------+----------------------+----------------+
+   | job-k-octets               | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | job-impressions            | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+
+
+
+deBry, et al.                 Experimental                     [Page 84]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   +----------------------------+----------------------+----------------+
+   |      Attribute             |     Syntax           |   REQUIRED?    |
+   +----------------------------+----------------------+----------------+
+   | job-media-sheets           | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | job-k-octets-processed     | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | job-impressions-completed  | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | job-media-sheets-completed | integer (0:MAX)      |                |
+   +----------------------------+----------------------+----------------+
+   | attributes-charset         | charset              |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+   | attributes-natural-language| naturalLanguage      |  REQUIRED      |
+   +----------------------------+----------------------+----------------+
+
+
+4.3.1 job-uri (uri)
+
+   This REQUIRED attribute contains the URI for the job.  The Printer
+   object, on receipt of a new job, generates a URI which identifies the
+   new Job.  The Printer object returns the value of the "job-uri"
+   attribute as part of the response to a create request.  The precise
+   format of a Job URI is implementation dependent.  If the Printer
+   object supports more than one URI and there is some relationship
+   between the newly formed Job URI and the Printer object's URI, the
+   Printer object uses the Printer URI supplied by the client in the
+   create request.  For example, if the create request comes in over a
+   secure channel, the new Job URI MUST use the same secure channel.
+   This can be guaranteed because the Printer object is responsible for
+   generating the Job URI and the Printer object is aware of its
+   security configuration and policy as well as the Printer URI used in
+   the create request.
+
+   For a description of this attribute and its relationship to "job-id"
+   and "job-printer-uri" attribute, see the discussion in section 2.4 on
+   "Object Identity".
+
+4.3.2 job-id (integer(1:MAX))
+
+   This REQUIRED attribute contains the ID of the job.  The Printer, on
+   receipt of a new job, generates an ID which identifies the new Job on
+   that Printer.  The Printer returns the value of the "job-id"
+   attribute as part of the response to a create request.  The 0 value
+   is not included to allow for compatibility with SNMP index values
+   which also cannot be 0.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 85]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   For a description of this attribute and its relationship to "job-uri"
+   and "job-printer-uri" attribute, see the discussion in section 2.4 on
+   "Object Identity".
+
+4.3.3 job-printer-uri (uri)
+
+   This REQUIRED attribute identifies the Printer object that created
+   this Job object.  When a Printer object creates a Job object, it
+   populates this attribute with the Printer object URI that was used in
+   the create request.  This attribute permits a client to identify the
+   Printer object that created this Job object when only the Job
+   object's URI is available to the client.  The client queries the
+   creating Printer object to determine which languages, charsets,
+   operations, are supported for this Job.
+
+   For a description of this attribute and its relationship to "job-uri"
+   and "job-id" attribute, see the discussion in section 2.4 on "Object
+   Identity".
+
+4.3.4 job-more-info (uri)
+
+   Similar to "printer-more-info", this attribute contains the URI
+   referencing some resource with more information about this Job
+   object, perhaps an HTML page containing information about the Job.
+
+4.3.5 job-name (name(MAX))
+
+   This REQUIRED attribute is the name of the job.  It is a name that is
+   more user friendly than the "job-uri" attribute value.  It does not
+   need to be unique between Jobs.  The Job's "job-name" attribute is
+   set to the value supplied by the client in the "job-name" operation
+   attribute in the create request (see Section 3.2.1.1).   If, however,
+   the "job-name" operation attribute is not supplied by the client in
+   the create request, the Printer object, on creation of the Job, MUST
+   generate a name.  The printer SHOULD generate the value of the Job's
+   "job-name" attribute from the first of the following sources that
+   produces a value: 1) the "document-name" operation attribute of the
+   first (or only) document, 2) the "document-URI" attribute of the
+   first (or only) document, or 3) any other piece of Job specific
+   and/or Document Content information.
+
+4.3.6 job-originating-user-name (name(MAX))
+
+   This REQUIRED attribute contains the name of the end user that
+   submitted the print job.  The Printer object sets this attribute to
+   the most authenticated printable name that it can obtain from the
+   authentication service over which the IPP operation was received.
+
+
+
+
+deBry, et al.                 Experimental                     [Page 86]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Only if such is not available, does the Printer object use the value
+   supplied by the client in the "requesting-user-name" operation
+   attribute of the create operation (see Section 8).
+
+   Note:  The Printer object needs to keep an internal originating user
+   id of some form, typically as a credential of a principal, with the
+   Job object.  Since such an internal attribute is implementation-
+   dependent and not of interest to clients, it is not specified as a
+   Job Description attribute.  This originating user id is used for
+   authorization checks (if any) on all subsequent operation.
+
+4.3.7 job-state (type1 enum)
+
+   This REQUIRED attribute identifies the current state of the job.
+   Even though the IPP protocol defines eight values for job states,
+   implementations only need to support those states which are
+   appropriate for the particular implementation.  In other words, a
+   Printer supports only those job states implemented by the output
+   device and available to the Printer object implementation.
+
+   Standard enum values are:
+
+     Values Symbolic Name and Description
+
+     '3'    'pending':  The job is a candidate to start processing, but
+                  is not yet processing.
+
+     '4'    'pending-held':  The job is not a candidate for processing
+                  for any number of reasons but will return to the '
+                  pending' state as soon as the reasons are no longer
+                  present.  The job's "job-state-reason" attribute MUST
+                  indicate why the job is no longer a candidate for
+                  processing.
+
+     '5'    'processing':  One or more of:
+
+                  1.  the job is using, or is attempting to use, one or
+                  more purely software processes that are analyzing,
+                  creating, or interpreting a PDL, etc.,
+                  2.  the job is using, or is attempting to use, one or
+                  more hardware devices that are interpreting a PDL,
+                  making marks on a medium, and/or performing finishing,
+                  such as stapling, etc.,
+                  3. the Printer object has made the job ready for
+                  printing, but the output device is not yet printing
+                  it, either because the job hasn't reached the output
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 87]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+                  device or because the job is queued in the output
+                  device or some other spooler, awaiting the output
+                  device to print it.
+
+                  When the job is in the 'processing' state, the entire
+                  job state includes the detailed status represented in
+                  the printer's "printer-state", "printer-state-
+                  reasons", and "printer-state-message" attributes.
+
+                  Implementations MAY, though they NEED NOT,  include
+                  additional values in the job's "job-state-reasons"
+                  attribute to indicate the progress of the job, such as
+                  adding the 'job-printing' value to indicate when the
+                  output device is actually making marks on paper and/or
+                  the 'processing-to-stop-point' value to indicate that
+                  the IPP object is in the process of canceling or
+                  aborting the job.  Most implementations won't bother
+                  with this nuance.
+
+     '6'    'processing-stopped':  The job has stopped while processing
+                  for any number of reasons and will return to the '
+                  processing' state as soon as the reasons are no longer
+                  present.
+
+                  The job's "job-state-reason" attribute MAY indicate
+                  why the job has stopped processing.  For example, if
+                  the output device is stopped, the 'printer-stopped'
+                  value MAY be included in the job's "job-state-reasons"
+                  attribute.
+
+                  Note:  When an output device is stopped, the device
+                  usually indicates its condition in human readable form
+                  locally at the device.  A client can obtain more
+                  complete device status remotely by querying the
+                  Printer object's "printer-state", "printer-state-
+                  reasons" and "printer-state-message" attributes.
+
+     '7'    'canceled':  The job has been canceled by a Cancel-Job
+                  operation and the Printer object has completed
+                  canceling the job and all job status attributes have
+                  reached their final values for the job.  While the
+                  Printer object is canceling the job, the job remains
+                  in its current state, but the job's "job-state-
+                  reasons" attribute SHOULD contain the 'processing-to-
+                  stop-point' value and one of the 'canceled-by-user', '
+                  canceled-by-operator', or 'canceled-at-device' value.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 88]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+                  When the job moves to the 'canceled' state, the '
+                  processing-to-stop-point' value, if present, MUST be
+                  removed, but the 'canceled-by-xxx', if present, MUST
+                  remain.
+
+     '8'    'aborted':  The job has been aborted by the system, usually
+                  while the job was in the 'processing' or 'processing-
+                  stopped' state and the Printer has completed aborting
+                  the job and all job status attributes have reached
+                  their final values for the job.  While the Printer
+                  object is aborting the job, the job remains in its
+                  current state, but the job's "job-state-reasons"
+                  attribute SHOULD contain the 'processing-to-stop-
+                  point' and 'aborted-by-system' values.  When the job
+                  moves to the 'aborted' state, the  'processing-to-
+                  stop-point' value, if present, MUST be removed, but
+                  the 'aborted-by-system' value, if present, MUST
+                  remain.
+
+     '9'    'completed':  The job has completed successfully or with
+                  warnings or errors after processing and all of the job
+                  media sheets have been successfully stacked in the
+                  appropriate output bin(s) and all job status
+                  attributes have reached their final values for the
+                  job.  The job's "job-state-reasons" attribute SHOULD
+                  contain one of:  'completed-successfully', '
+                  completed-with-warnings', or 'completed-with-errors'
+                  values.
+
+   The final value for this attribute MUST be one of: 'completed', '
+   canceled', or 'aborted' before the Printer removes the job
+   altogether.  The length of time that jobs remain in the 'canceled', '
+   aborted', and 'completed' states depends on implementation.
+
+   The following figure shows the normal job state transitions.
+
+                                                      +----> canceled
+                                                     /
+       +----> pending --------> processing ---------+------> completed
+       |         ^                   ^               \
+   --->+         |                   |                +----> aborted
+       |         v                   v               /
+       +----> pending-held    processing-stopped ---+
+
+   Normally a job progresses from left to right.  Other state
+   transitions are unlikely, but are not forbidden.  Not shown are the
+   transitions to the 'canceled' state from the 'pending', 'pending-
+   held', and 'processing-stopped' states.
+
+
+
+deBry, et al.                 Experimental                     [Page 89]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Jobs reach one of the three terminal states: 'completed', 'canceled',
+   or 'aborted', after the jobs have completed all activity, including
+   stacking output media, after the jobs have completed all activity,
+   and all job status attributes have reached their final values for the
+   job.
+
+   Note: As with all other IPP attributes, if the implementation can not
+   determine the correct value for this attribute, it SHOULD respond
+   with the out-of-band value 'unknown' (see section 4.1) rather than
+   try to guess at some possibly incorrect value and give the end user
+   the wrong impression about the state of the Job object.  For example,
+   if the implementation is just a gateway into some printing system
+   that does not provide detailed status about the print job, the IPP
+   Job object's state might literally be 'unknown'.
+
+4.3.8 job-state-reasons (1setOf  type2 keyword)
+
+   This attribute provides additional information about the job's
+   current state, i.e., information that augments the value of the job's
+   "job-state" attribute.
+
+   Implementation of these values is OPTIONAL, i.e., a Printer NEED NOT
+   implement them, even if (1) the output device supports the
+   functionality represented by the reason and (2) is available to the
+   Printer object implementation.  These values MAY be used with any job
+   state or states for which the reason makes sense.  Furthermore, when
+   implemented, the Printer MUST return these values when the reason
+   applies and MUST NOT return them when the reason no longer applies
+   whether the value of the Job's "job-state" attribute changed or not.
+   When the Job does not have any reasons for being in its current
+   state, the value of the Job's "job-state-reasons" attribute MUST be '
+   none'.
+
+   Note: While values cannot be added to the 'job-state' attribute
+   without impacting deployed clients that take actions upon receiving
+   "job-state" values, it is the intent that additional "job-state-
+   reasons" values can be defined and registered without impacting such
+   deployed clients.  In other words, the "job-state-reasons" attribute
+   is intended to be extensible.
+
+   The following standard keyword values are defined.  For ease of
+   understanding, the values are presented in the order in which the
+   reasons are likely to occur (if implemented), starting with the '
+   job-incoming' value:
+
+     'none':  There are no reasons for the job's current state.
+     'job-incoming':  The Create-Job operation has been accepted by the
+        Printer, but the Printer is expecting additional Send-Document
+
+
+
+deBry, et al.                 Experimental                     [Page 90]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        and/or Send-URI operations and/or is accessing/accepting
+        document data.
+     'submission-interrupted':  The job was not completely submitted for
+        some unforeseen reason, such as: (1) the Printer has crashed
+        before the job was closed by the client, (2) the Printer or the
+        document transfer method has crashed in some non-recoverable way
+        before the document data was entirely transferred to the
+        Printer, (3) the client crashed or failed to close the job
+        before the time-out period.  See section 4.4.28.
+     'job-outgoing':  The Printer is transmitting the job to the output
+        device.
+     'job-hold-until-specified':  The value of the job's "job-hold-
+        until" attribute was specified with a time period that is still
+        in the future.  The job MUST NOT be a candidate for processing
+        until this reason is removed and there are no other reasons to
+        hold the job.
+     'resources-are-not-ready':  At least one of the resources needed by
+        the job, such as media, fonts, resource objects, etc., is not
+        ready on any of the physical printer's for which the job is a
+        candidate.  This condition MAY be detected when the job is
+        accepted, or subsequently while the job is pending or
+        processing, depending on implementation.  The job may remain in
+        its current state or be moved to the 'pending-held' state,
+        depending on implementation and/or job scheduling policy.
+     'printer-stopped-partly':  The value of the Printer's "printer-
+        state-reasons" attribute contains the value 'stopped-partly'.
+     'printer-stopped':  The value of the Printer's "printer-state"
+        attribute is 'stopped'.
+     'job-interpreting': Job is in the 'processing' state, but more
+        specifically, the Printer is interpreting the document data.
+     'job-queued': Job is in the 'processing' state, but more
+        specifically, the Printer has queued the document data.
+     'job-transforming': Job is in the 'processing' state, but more
+        specifically, the Printer is interpreting document data and
+        producing another electronic representation.
+     'job-printing':  The output device is marking media. This value is
+        useful for Printers which spend a great deal of time processing
+        (1) when no marking is happening and then want to show that
+        marking is now happening or (2) when the job is in the process
+        of being canceled or aborted while the job remains in the '
+        processing' state, but the marking has not yet stopped so that
+        impression or sheet counts are still increasing for the job.
+     'job-canceled-by-user':  The job was canceled by the owner of the
+        job using the Cancel-Job request, i.e., by a user whose
+        authenticated identity is the same as the value of the
+        originating user that created the Job object, or by some other
+        authorized end-user, such as a member of the job owner's
+        security group.
+
+
+
+deBry, et al.                 Experimental                     [Page 91]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'job-canceled-by-operator':  The job was canceled by the operator
+        using the Cancel-Job request, i.e., by a user who has been
+        authenticated as having operator privileges (whether local or
+        remote).  If the security policy is to allow anyone to cancel
+        anyone's job, then this value may be used when the job is
+        canceled by other than the owner of the job.  For such a
+        security policy, in effect, everyone is an operator as far as
+        canceling jobs with IPP is concerned.
+     'job-canceled-at-device':  The job was canceled by an unidentified
+        local user, i.e., a user at a console at the device.
+     'aborted-by-system':  The job (1) is in the process of being
+        aborted, (2) has been aborted by the system and placed in the '
+        aborted' state, or (3) has been aborted by the system and placed
+        in the 'pending-held' state, so that a user or operator can
+        manually try the job again.
+     'processing-to-stop-point':  The requester has issued a Cancel-Job
+        operation or the Printer object has aborted the job, but is
+        still performing some actions on the job until a specified stop
+        point occurs or job termination/cleanup is completed.
+
+        This reason is recommended to be used in conjunction with the '
+        processing' job state to indicate that the Printer object is
+        still performing some actions on the job while the job remains
+        in the 'processing' state.  After all the job's job description
+        attributes have stopped incrementing, the Printer object moves
+        the job from the 'processing' state to the 'canceled' or '
+        aborted' job states.
+
+     'service-off-line':  The Printer is off-line and accepting no jobs.
+        All 'pending' jobs are put into the 'pending-held' state.  This
+        situation could be true if the service's or document transform's
+        input is impaired or broken.
+     'job-completed-successfully':  The job completed successfully.
+     'job-completed-with-warnings':  The job completed with warnings.
+     'job-completed-with-errors':  The job completed with errors (and
+        possibly warnings too).
+
+4.3.9 job-state-message (text(MAX))
+
+   This attribute specifies information about the "job-state" and "job-
+   state-reasons" attributes in human readable text.  If the Printer
+   object supports this attribute, the Printer object MUST be able to
+   generate this message in any of the natural languages identified by
+   the Printer's "generated-natural-language-supported" attribute (see
+   the "attributes-natural-language" operation attribute specified in
+   Section 3.1.4.1).
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 92]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Note:  the value SHOULD NOT contain additional information not
+   contained in the values of the "job-state" and "job-states-reasons"
+   attributes, such as interpreter error information.  Otherwise,
+   application programs might attempt to parse the (localized text).
+   For such additional information such as interpreter errors for
+   application program consumption, a new attribute with keyword values,
+   needs to be developed and registered.
+
+4.3.10 number-of-documents (integer(0:MAX))
+
+   This attribute indicates the number of documents in the job, i.e.,
+   the number of Send-Document, Send-URI, Print-Job, or Print-URI
+   operations that the Printer has accepted for this job, regardless of
+   whether the document data has reached the Printer object or not.
+
+   Implementations supporting the OPTIONAL Create-Job/Send-
+   Document/Send-URI operations SHOULD support this attribute so that
+   clients can query the number of documents in each job.
+
+4.3.11 output-device-assigned (name(127))
+
+   This attribute identifies the output device to which the Printer
+   object has assigned this job.  If an output device implements an
+   embedded Printer object, the Printer object NEED NOT set this
+   attribute.  If a print server implements a Printer object, the value
+   MAY be empty (zero-length string) or not returned until the Printer
+   object assigns an output device to the job.  This attribute is
+   particularly useful when a single Printer object support multiple
+   devices (so called "fan-out").
+
+4.3.12 time-at-creation (integer(0:MAX))
+
+   This attribute indicates the point in time at which the Job object
+   was created.  In order to populate this attribute, the Printer object
+   uses the value in its "printer-up-time" attribute at the time the Job
+   object is created.
+
+4.3.13 time-at-processing (integer(0:MAX))
+
+   This attribute indicates the point in time at which the Job object
+   began processing.  In order to populate this attribute, the Printer
+   object uses the value in its "printer-up-time" attribute at the time
+   the Job object is moved into the 'processing' state for the first
+   time.
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 93]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.3.14 time-at-completed (integer(0:MAX))
+
+   This attribute indicates the point in time at which the Job object
+   completed (or was cancelled or aborted).  In order to populate this
+   attribute, the Printer object uses the value in its "printer-up-time"
+   attribute at the time the Job object is moved into the 'completed' or
+   'canceled' or 'aborted' state.
+
+4.3.15 number-of-intervening-jobs (integer(0:MAX))
+
+   This attribute indicates the number of jobs that are "ahead" of this
+   job in the relative chronological order of expected time to complete
+   (i.e., the current scheduled order). For efficiency, it is only
+   necessary to calculate this value when an operation is performed that
+   requests this attribute.
+
+4.3.16 job-message-from-operator (text(127))
+
+   This attribute provides a message from an operator, system
+   administrator or "intelligent" process to indicate to the end user
+   the reasons for modification or other management action taken on a
+   job.
+
+4.3.17 job-k-octets (integer(0:MAX))
+
+   This attribute specifies the total size of the document(s) in K
+   octets, i.e., in units of 1024 octets requested to be processed in
+   the job.  The value MUST be rounded up, so that a job between 1 and
+   1024 octets MUST be indicated as being 1, 1025 to 2048 MUST be 2,
+   etc.
+
+   This value MUST NOT include the multiplicative factors contributed by
+   the number of copies specified by the "copies" attribute, independent
+   of whether the device can process multiple copies without making
+   multiple passes over the job or document data and independent of
+   whether the output is collated or not.  Thus the value is independent
+   of the implementation and indicates the size of the document(s)
+   measured in K octets independent of the number of copies.
+
+   This value MUST also not include the multiplicative factor due to a
+   copies instruction embedded in the document data.  If the document
+   data actually includes replications of the document data, this value
+   will include such replication.  In other words, this value is always
+   the size of the source document data, rather than a measure of the
+   hardcopy output to be produced.
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 94]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Note: This attribute and the following two attributes ("job-
+   impressions" and "job-media-sheets") are not intended to be counters;
+   they are intended to be useful routing and scheduling information if
+   known.  For these three attributes, the Printer object may try to
+   compute the value if it is not supplied in the create request.  Even
+   if the client does supply a value for these three attributes in the
+   create request, the Printer object MAY choose to change the value if
+   the Printer object is able to compute a value which is more accurate
+   than the client supplied value.  The Printer object may be able to
+   determine the correct value for these three attributes either right
+   at job submission time or at any later point in time.
+
+4.3.18 job-impressions (integer(0:MAX))
+
+   This attribute specifies the total size in number of impressions of
+   the document(s) being submitted (see the definition of impression in
+   section 13.2.5).
+
+   As with "job-k-octets", this value MUST NOT include the
+   multiplicative factors contributed by the number of copies specified
+   by the "copies" attribute, independent of whether the device can
+   process multiple copies without making multiple passes over the job
+   or document data and independent of whether the output is collated or
+   not.  Thus the value is independent of the implementation and
+   reflects the size of the document(s) measured in impressions
+   independent of the number of copies.
+
+   As with "job-k-octets", this value MUST also not include the
+   multiplicative factor due to a copies instruction embedded in the
+   document data.  If the document data actually includes replications
+   of the document data, this value will include such replication.  In
+   other words, this value is always the number of impressions in the
+   source document data, rather than a measure of the number of
+   impressions to be produced by the job.
+
+   See the Note in the "job-k-octets" attribute that also applies to
+   this attribute.
+
+4.3.19 job-media-sheets (integer(0:MAX))
+
+   This attribute specifies the total number of media sheets to be
+   produced for this job.
+
+   Unlike the "job-k-octets" and the "job-impressions" attributes, this
+   value MUST include the multiplicative factors contributed by the
+   number of copies specified by the "copies" attribute and a 'number of
+   copies' instruction embedded in the document data, if any.  This
+   difference allows the system administrator to control the lower and
+
+
+
+deBry, et al.                 Experimental                     [Page 95]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   upper bounds of both (1) the size of the document(s) with "job-k-
+   octets-supported" and "job-impressions-supported" and (2) the size of
+   the job with "job-media-sheets-supported".
+
+   See the Note in the "job-k-octets" attribute that also applies to
+   this attribute.
+
+4.3.20 job-k-octets-processed (integer(0:MAX))
+
+   This attribute specifies the total number of octets processed in K
+   octets, i.e., in units of 1024 octets so far.  The value MUST be
+   rounded up, so that a job between 1 and 1024 octets inclusive MUST be
+   indicated as being 1, 1025 to 2048 inclusive MUST be 2, etc.
+
+   For implementations where multiple copies are produced by the
+   interpreter with only a single pass over the data, the final value
+   MUST be equal to the value of the "job-k-octets" attribute.  For
+   implementations where multiple copies are produced by the interpreter
+   by processing the data for each copy, the final value MUST be a
+   multiple of the value of the "job-k-octets" attribute.
+
+   Note: This attribute and the following two attributes ("job-
+   impressions-completed" and "job-sheets-completed") are intended to be
+   counters. That is, the value for a job that has not started
+   processing MUST be 0.  When the job's "job-state" is 'processing' or
+   'processing-stopped', this value is intended to contain the amount of
+   the job that has been processed to the time at which the attributes
+   are requested.
+
+4.3.21 job-impressions-completed (integer(0:MAX))
+
+   This job attribute specifies the number of impressions completed for
+   the job so far.  For printing devices, the impressions completed
+   includes interpreting, marking, and stacking the output.
+
+   See the note in "job-k-octets-processed" which also applies to this
+   attribute.
+
+4.3.22 job-media-sheets-completed (integer(0:MAX))
+
+   This job attribute specifies the media-sheets completed marking and
+   stacking for the entire job so far whether those sheets have been
+   processed on one side or on both.
+
+   See the note in "job-k-octets-processed" which also applies to this
+   attribute.
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 96]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.3.23 attributes-charset (charset)
+
+   This REQUIRED attribute is populated using the value in the client
+   supplied "attributes-charset" attribute in the create request.  It
+   identifies the charset (coded character set and encoding method) used
+   by any Job attributes with attribute syntax 'text' and 'name' that
+   were supplied by the client in the create request.  See Section 3.1.4
+   for a complete description of the "attributes-charset" operation
+   attribute.
+
+   This attribute does not indicate the charset in which the 'text' and
+   'name' values are stored internally in the Job object.  The internal
+   charset is implementation-defined.  The IPP object MUST convert from
+   whatever the internal charset is to that being requested in an
+   operation as specified in Section 3.1.4.
+
+4.3.24 attributes-natural-language (naturalLanguage)
+
+   This REQUIRED attribute is populated using the value in the client
+   supplied "attributes-natural-language" attribute in the create
+   request.  It identifies the natural language used for any Job
+   attributes with attribute syntax 'text' and 'name' that were supplied
+   by the client in the create request.  See Section 3.1.4 for a
+   complete description of the "attributes-natural-language" operation
+   attribute.  See Sections 4.1.1.2 and 4.1.2.2 for how a Natural
+   Language Override may be supplied explicitly for each 'text' and '
+   name' attribute value that differs from the value identified by the
+   "attributes-natural-language" attribute.
+
+4.4 Printer Description Attributes
+
+   These attributes form the attribute group called "printer-
+   description".  The following table summarizes these attributes, their
+   syntax, and whether or not they are REQUIRED for a Printer object to
+   support.  If they are not indicated as REQUIRED, they are OPTIONAL.
+   The maximum size in octets for 'text' and 'name' attributes is
+   indicated in parenthesizes.
+
+   Note: How these attributes are set by an Administrator is outside the
+   scope of this specification.
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 97]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+  +----------------------------+----------------------+----------------+
+  |      Attribute             |     Syntax           |   REQUIRED?    |
+  +----------------------------+----------------------+----------------+
+  | printer-uri-supported      | 1setOf uri           |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | uri-security-supported     | 1setOf type2 keyword |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | printer-name               | name (127)           |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | printer-location           | text (127)           |                |
+  +----------------------------+----------------------+----------------+
+  | printer-info               | text (127)           |                |
+  +----------------------------+----------------------+----------------+
+  | printer-more-info          | uri                  |                |
+  +----------------------------+----------------------+----------------+
+  | printer-driver-installer   | uri                  |                |
+  +----------------------------+----------------------+----------------+
+  | printer-make-and-model     | text (127)           |                |
+  +----------------------------+----------------------+----------------+
+  | printer-more-info-         | uri                  |                |
+  | manufacturer               |                      |                |
+  +----------------------------+----------------------+----------------+
+  | printer-state              | type1 enum           |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | printer-state-reasons      | 1setOf type2 keyword |                |
+  +----------------------------+----------------------+----------------+
+  | printer-state-message      | text (MAX)           |                |
+  +----------------------------+----------------------+----------------+
+  | operations-supported       | 1setOf type2 enum    |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | charset-configured         | charset              |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | charset-supported          | 1setOf charset       |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | natural-language-configured| naturalLanguage      |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | generated-natural-language-| 1setOf               |  REQUIRED      |
+  | supported                  |   naturalLanguage    |                |
+  +----------------------------+----------------------+----------------+
+  | document-format-default    | mimeMediaType        |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | document-format-           | 1setOf               |  REQUIRED      |
+  |   supported                |   mimeMediaType      |                |
+  +----------------------------+----------------------+----------------+
+  | printer-is-accepting-jobs  | boolean              |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | queued-job-count           | integer (0:MAX)      |  RECOMMENDED   |
+  +----------------------------+----------------------+----------------+
+
+
+
+deBry, et al.                 Experimental                     [Page 98]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+  +----------------------------+----------------------+----------------+
+  |      Attribute             |     Syntax           |   REQUIRED?    |
+  +----------------------------+----------------------+----------------+
+  | printer-message-from-      | text (127)           |                |
+  | operator                   |                      |                |
+  +----------------------------+----------------------+----------------+
+  | color-supported            | boolean              |                |
+  +----------------------------+----------------------+----------------+
+  | reference-uri-schemes-     | 1setOf uriScheme     |                |
+  |   supported                |                      |                |
+  +----------------------------+----------------------+----------------+
+  | pdl-override-supported     | type2 keyword        |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | printer-up-time            | integer (1:MAX)      |  REQUIRED      |
+  +----------------------------+----------------------+----------------+
+  | printer-current-time       | dateTime             |                |
+  +----------------------------+----------------------+----------------+
+  | multiple-operation-time-out| integer (1:MAX)      |                |
+  +----------------------------+----------------------+----------------+
+  | compression-supported      | 1setOf type3 keyword |                |
+  +----------------------------+----------------------+----------------+
+  | job-k-octets-supported     | rangeOfInteger       |                |
+  |                            |    (0:MAX)           |                |
+  +----------------------------+----------------------+----------------+
+  | job-impressions-supported  | rangeOfInteger       |                |
+  |                            |    (0:MAX)           |                |
+  +----------------------------+----------------------+----------------+
+  | job-media-sheets-supported | rangeOfInteger       |                |
+  |                            |    (0:MAX)           |                |
+  +----------------------------+----------------------+----------------+
+
+4.4.1 printer-uri-supported (1setOf uri)
+
+   This REQUIRED Printer attribute contains at least one URI for the
+   Printer object.  It OPTIONALLY contains more than one URI for the
+   Printer object.    An administrator determines a Printer object's
+   URI(s) and configures this attribute to contain those URIs by some
+   means outside the scope of IPP/1.0.  The precise format of this URI
+   is implementation dependent and depends on the protocol.  See the
+   next section for a description "uri-security-supported" which is the
+   REQUIRED companion attribute to this "printer-uri-supported"
+   attribute.  See section 2.4 on Printer object identity and section
+   8.2 on security and URIs for more information.
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                     [Page 99]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.4.2 uri-security-supported (1setOf type2 keyword)
+
+   This REQUIRED Printer attribute MUST have the same cardinality
+   (contain the same number of values) as the "printer-uri-supported"
+   attribute.  This attribute identifies the security mechanisms used
+   for each URI listed in the "printer-uri-supported" attribute.  The "i
+   th" value in "uri-security-supported" corresponds to the "i th" value
+   in "printer-uri-supported" and it describes the security mechanisms
+   used for accessing the Printer object via that URI. The following
+   standard values are defined:
+
+     'none': There are no secure communication channel protocols in use
+        for the given URI.
+
+     'ssl3': SSL3 [SSL] is the secure communications channel protocol in
+        use for the given URI.
+
+   Consider the following example.  For a single Printer object, an
+   administrator configures the "printer-uri-supported" and "uri-
+   security-supported" attributes as follows:
+
+     "printer-uri-supported": 'http://acme.com/open-use-printer', '
+        http://acme.com/restricted-use-printer', '
+        http://acme.com/private-printer'
+     "uri-security-supported": 'none', 'none', 'ssl3'
+
+   In this case, one Printer object has three URIs.
+
+     - For the first URI, 'http://acme.com/open-use-printer', the value
+        'none' in "uri-security-supported" indicates that there is no
+        secure channel protocol configured to run under HTTP.  The name
+        implies that there is no Basic or Digest authentication being
+        used, but it is up to the client to determine that while using
+        HTTP underneath the IPP application protocol.
+     - For the second URI, 'http://acme.com/restricted-use-printer', the
+        value 'none' in "uri-security-supported" indicates that there is
+        no secure channel protocol configured to run under HTTP.  In
+        this case, although the name does imply that there is some sort
+        of Basic or Digest authentication being used within HTTP, it is
+        up to the client to determine that while using HTTP and by
+        processing any '401 Unauthorized' HTTP error messages.
+     - For the third URI, 'http://acme.com/private-printer', the value '
+        ssl3' in "uri-security-supported" indicates that SSL3 is being
+        used to secure the channel.  The client SHOULD be prepared to
+        use SSL3 framing to negotiate an acceptable ciphersuite to use
+        while communicating with the Printer object.  In this case, the
+        name implies the use of a secure communications channel, but the
+        fact is made explicit by the presence of the 'ssl3' value in
+
+
+
+deBry, et al.                 Experimental                    [Page 100]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        "uri-security-supported".  The client does not need to resort to
+        understanding which security it must use by following naming
+        conventions or by parsing the URI to determine which security
+        mechanisms are implied.
+
+   It is expected that many IPP Printer objects will be configured to
+   support only one channel (either configured to use SSL3 access or
+   not), and will therefore only ever have one URI listed in the
+   "printer-uri-supported" attribute.  No matter the configuration of
+   the Printer object (whether it has only one URI or more than one
+   URI), a client MUST supply only one URI in the target "printer-uri"
+   operation attribute.
+
+4.4.3 printer-name (name(127))
+
+   This REQUIRED Printer attribute contains the name of the Printer
+   object.  It is a name that is more end-user friendly than a URI. An
+   administrator determines a printer's name and sets this attribute to
+   that name. This name may be the last part of the printer's URI or it
+   may be unrelated.  In non-US-English locales, a name may contain
+   characters that are not allowed in a URI.
+
+4.4.4 printer-location (text(127))
+
+   This Printer attribute identifies the location of the device. This
+   could include things like: "in Room 123A, second floor of building
+   XYZ".
+
+4.4.5 printer-info (text(127))
+
+   This Printer attribute identifies the descriptive information about
+   this Printer object.  This could include things like: "This printer
+   can be used for printing color transparencies for HR presentations",
+   or "Out of courtesy for others, please print only small (1-5 page)
+   jobs at this printer", or even "This printer is going away on July 1,
+   1997, please find a new printer".
+
+4.4.6 printer-more-info (uri)
+
+   This Printer attribute contains a URI used to obtain more information
+   about this specific Printer object.  For example, this could be an
+   HTTP type URI referencing an HTML page accessible to a Web Browser.
+   The information obtained from this URI is intended for end user
+   consumption.  Features outside the scope of IPP can be accessed from
+   this URI.  The information is intended to be specific to this printer
+   instance and site specific services (e.g. job pricing, services
+   offered, end user assistance). The device manufacturer may initially
+   populate this attribute.
+
+
+
+deBry, et al.                 Experimental                    [Page 101]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+4.4.7 printer-driver-installer (uri)
+
+   This Printer attribute contains a URI to use to locate the driver
+   installer for this Printer object.   This attribute is intended for
+   consumption by automata.  The mechanics of print driver installation
+   is outside the scope of IPP.  The device manufacturer may initially
+   populate this attribute.
+
+4.4.8 printer-make-and-model (text(127))
+
+   This Printer attribute identifies the make and model of the device.
+   The device manufacturer may initially populate this attribute.
+
+4.4.9 printer-more-info-manufacturer (uri)
+
+   This Printer attribute contains a URI used to obtain more information
+   about this type of device.  The information obtained from this URI is
+   intended for end user consumption.  Features outside the scope of IPP
+   can be accessed from this URI (e.g., latest firmware, upgrades, print
+   drivers, optional features available, details on color support).  The
+   information is intended to be germane to this printer without regard
+   to site specific modifications or services. The device manufacturer
+   may initially populate this attribute.
+
+4.4.10 printer-state (type1 enum)
+
+   This REQUIRED Printer attribute identifies the current state of the
+   device.  The "printer-state reasons" attribute augments the
+   "printer-state" attribute to give more detailed information about the
+   Printer in the given printer state.
+
+   A Printer object need only update this attribute before responding to
+   an operation which requests the attribute; the Printer object NEED
+   NOT update this attribute continually, since asynchronous event
+   notification is not part of IPP/1.0.  A Printer NEED NOT implement
+   all values if they are not applicable to a given implementation.
+
+   The following standard enum values are defined:
+
+     Value  Symbolic Name and Description
+
+     '3'    'idle':  If a Printer receives a job (whose required
+                  resources are ready) while in this state, such a job
+                  MUST transit into the 'processing' state immediately.
+                  If the "printer-state-reasons" attribute contains any
+                  reasons, they MUST be reasons that would not prevent a
+                  job from transiting into the 'processing' state
+                  immediately, e.g., 'toner-low'. Note: if a Printer
+
+
+
+deBry, et al.                 Experimental                    [Page 102]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+                  controls more than one output device, the above
+                  definition implies that a Printer is 'idle' if at
+                  least one output device is idle.
+
+     '4'    'processing':  If a Printer receives a job (whose required
+                  resources are ready) while in this state, such a job
+                  MUST transit into the 'pending' state immediately.
+                  Such a job MUST transit into the 'processing' state
+                  only after jobs ahead of it complete.  If the
+                  "printer-state-reasons" attribute contains any
+                  reasons, they MUST be reasons that do not prevent the
+                  current job from printing, e.g.  'toner-low'.  Note:
+                  if a Printer controls more than one output device, the
+                  above definition implies that a Printer is '
+                  processing' if at least one output device is
+                  processing, and none is idle.
+
+     '5'    'stopped':  If a Printer receives a job (whose required
+                  resources are ready) while in this state, such a job
+                  MUST transit into the 'pending' state immediately.
+                  Such a job MUST transit into the 'processing' state
+                  only after some human fixes the problem that stopped
+                  the printer and after jobs ahead of it complete
+                  processing.  If supported, the "printer-state-reasons"
+                  attribute MUST contain at least one reason, e.g. '
+                  media-jam', which prevents it from either processing
+                  the current job or transitioning a 'pending' job to
+                  the 'processing' state.
+
+                  Note: if a Printer controls more than one output
+                  device, the above definition implies that a Printer is
+                  'stopped' only if all output devices are stopped.
+                  Also, it is tempting to define 'stopped' as when a
+                  sufficient number of output devices are stopped and
+                  leave it to an implementation to define the sufficient
+                  number.  But such a rule complicates the definition of
+                  'stopped' and 'processing'. For example, with this
+                  alternate definition of 'stopped', a job can move from
+                  'pending' to 'processing' without human intervention,
+                  even though the Printer is stopped.
+
+4.4.11 printer-state-reasons (1setOf type2 keyword)
+
+   This Printer attribute supplies additional detail about the device's
+   state.
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 103]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Each keyword value MAY have a suffix to indicate its level of
+   severity.  The three levels are: report (least severe), warning, and
+   error (most severe).
+
+     - '-report':  This suffix indicates that the reason is a "report".
+        An implementation may choose to omit some or all reports. Some
+        reports specify finer granularity about the printer state;
+        others serve as a precursor to a warning. A report MUST contain
+        nothing that could affect the printed output.
+     - '-warning': This suffix indicates that the reason is a "warning".
+        An implementation may choose to omit some or all warnings.
+        Warnings serve as a precursor to an error. A warning MUST
+        contain nothing that prevents a job from completing, though in
+        some cases the output may be of lower quality.
+     - '-error': This suffix indicates that the reason is an "error".
+        An implementation MUST include all errors. If this attribute
+        contains one or more errors, printer MUST be in the stopped
+        state.
+
+   If the implementation does not add any one of the three suffixes, all
+   parties MUST assume that the reason is an "error".
+
+   If a Printer object controls more than one output device, each value
+   of this attribute MAY apply to one or more of the output devices.  An
+   error on one output device that does not stop the Printer object as a
+   whole MAY appear as a warning in the Printer's "printer-state-reasons
+   attribute".  If the "printer-state" for such a Printer has a value of
+   'stopped', then there MUST be an error reason among the values in the
+   "printer-state-reasons" attribute.
+
+   The following standard keyword values are defined:
+
+     'other': The device has detected an error other than one listed in
+        this document.
+     'none': There are not reasons. This state reason is semantically
+        equivalent to "printer-state-reasons" without any value.
+     'media-needed': A tray has run out of media.
+     'media-jam': The device has a media jam.
+     'paused': Someone has paused the Printer object.  In this state, a
+        Printer MUST NOT produce printed output, but it MUST perform
+        other operations requested by a client.  If a Printer had been
+        printing a job when the Printer was paused, the Printer MUST
+        resume printing that job when the Printer is no longer paused
+        and leave no evidence in the printed output of such a pause.
+     'shutdown': Someone has removed a Printer object from service, and
+        the device may be powered down or physically removed.  In this
+        state, a Printer object MUST NOT produce printed output, and
+        unless the Printer object is realized by a print server that is
+
+
+
+deBry, et al.                 Experimental                    [Page 104]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        still active, the Printer object MUST perform no other
+        operations requested by a client, including returning this
+        value. If a Printer object had been printing a job when it was
+        shutdown, the Printer NEED NOT resume printing that job when the
+        Printer is no longer shutdown. If the Printer resumes printing
+        such a job, it may leave evidence in the printed output of such
+        a shutdown, e.g. the part printed before the shutdown may be
+        printed a second time after the shutdown.
+     'connecting-to-device': The Printer object has scheduled a job on
+        the output device and is in the process of connecting to a
+        shared network output device (and might not be able to actually
+        start printing the job for an arbitrarily long time depending on
+        the usage of the output device by other servers on the network).
+     'timed-out': The server was able to connect to the output device
+        (or is always connected), but was unable to get a response from
+        the output device.
+     'stopping': The Printer object is in the process of stopping the
+        device and will be stopped in a while. When the device is
+        stopped, the Printer object will change the Printer object's
+        state to 'stopped'.  The 'stopping-warning' reason is never an
+        error, even for a Printer with a single output device.  When an
+        output-device ceases accepting jobs, the Printer will have this
+        reason while the output device completes printing.
+     'stopped-partly': When a Printer object controls more than one
+        output device, this reason indicates that one or more output
+        devices are stopped.  If the reason is a report, fewer than half
+        of the output devices are stopped.  If the reason is a warning,
+        fewer than all of the output devices are stopped.
+     'toner-low': The device is low on toner.
+     'toner-empty': The device is out of toner.
+     'spool-area-full': The limit of persistent storage allocated for
+        spooling has been reached.
+     'cover-open': One or more covers on the device are open.
+     'interlock-open': One or more interlock devices on the printer are
+        unlocked.
+     'door-open': One or more doors on the device are open.
+     'input-tray-missing': One or more input trays are not in the
+        device.
+     'media-low': At least one input tray is low on media.
+     'media-empty': At least one input tray is empty.
+     'output-tray-missing': One or more output trays are not in the
+        device
+     'output-area-almost-full': One or more output area is almost full
+        (e.g. tray, stacker, collator).
+     'output-area-full': One or more output area is full. (e.g. tray,
+        stacker, collator)
+     'marker-supply-low': The device is low on at least one marker
+        supply.  (e.g. toner, ink, ribbon)
+
+
+
+deBry, et al.                 Experimental                    [Page 105]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'marker-supply-empty: The device is out of at least one marker
+        supply. (e.g. toner, ink, ribbon)
+     'marker-waste-almost-full': The device marker supply waste
+        receptacle is almost full.
+     'marker-waste-full': The device marker supply waste receptacle is
+        full.
+     'fuser-over-temp': The fuser temperature is above normal.
+     'fuser-under-temp': The fuser temperature is below normal.
+     'opc-near-eol': The optical photo conductor is near end of life.
+     'opc-life-over': The optical photo conductor is no longer
+        functioning.
+     'developer-low': The device is low on developer.
+     'developer-empty: The device is out of developer.
+     'interpreter-resource-unavailable': An interpreter resource is
+        unavailable (i.e. font, form)
+
+4.4.12 printer-state-message (text(MAX))
+
+   This Printer attribute specifies the additional information about the
+   printer state and printer state reasons in human readable text.  If
+   the Printer object supports this attribute, the Printer object MUST
+   be able to generate this message in any of the natural languages
+   identified by the Printer's "generated-natural-language-supported"
+   attribute (see the "attributes-natural-language" operation attribute
+   specified in Section 3.1.4.1).
+
+4.4.13 operations-supported (1setOf type2 enum)
+
+   This REQUIRED Printer attribute specifies the set of supported
+   operations for this Printer object and contained Job objects.  All
+   32-bit enum values for this attribute MUST NOT exceed 0x8FFF, since
+   these values are passed in two octets in each Protocol request
+   [RFC2565].
+
+   The following standard enum and "operation-id" (see section 3.1.2)
+   values are defined:
+
+     Value               Operation Name
+     -----------------   -------------------------------------
+
+     0x0000              reserved, not used
+     0x0001              reserved, not used
+     0x0002              Print-Job
+     0x0003              Print-URI
+     0x0004              Validate-Job
+     0x0005              Create-Job
+     0x0006              Send-Document
+     0x0007              Send-URI
+
+
+
+deBry, et al.                 Experimental                    [Page 106]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     0x0008              Cancel-Job
+     0x0009              Get-Job-Attributes
+     0x000A              Get-Jobs
+     0x000B              Get-Printer-Attributes
+     0x000C-0x3FFF       reserved for future operations
+     0x4000-0x8FFF       reserved for private extensions
+
+   This allows for certain vendors to implement private extensions that
+   are guaranteed to not conflict with future registered extensions.
+   However, there is no guarantee that two or more private extensions
+   will not conflict.
+
+4.4.14 charset-configured (charset)
+
+   This REQUIRED Printer attribute identifies the charset that the
+   Printer object has been configured to represent 'text' and 'name'
+   Printer attributes that are set by the operator, system
+   administrator, or manufacturer, i.e., for "printer-name" (name),
+   "printer-location" (text), "printer-info" (text), and "printer-make-
+   and-model" (text).  Therefore, the value of the Printer object's
+   "charset-configured" attribute MUST also be among the values of the
+   Printer object's "charset-supported" attribute.
+
+4.4.15 charset-supported (1setOf charset)
+
+   This REQUIRED Printer attribute identifies the set of charsets that
+   the Printer and contained Job objects support in attributes with
+   attribute syntax 'text' and 'name'. At least the value 'utf-8' MUST
+   be present, since IPP objects MUST support the UTF-8 [RFC2279]
+   charset.  If a Printer object supports a charset, it means that for
+   all attributes of syntax 'text' and 'name' the IPP object MUST (1)
+   accept the charset in requests and return the charset in responses as
+   needed.
+
+   If more charsets than UTF-8 are supported, the IPP object MUST
+   perform charset conversion between the charsets as described in
+   Section 3.2.1.2.
+
+4.4.16 natural-language-configured (naturalLanguage)
+
+   This REQUIRED Printer attribute identifies the natural language that
+   the Printer object has been configured to represent 'text' and 'name'
+   Printer attributes that are set by the operator, system
+   administrator, or manufacturer, i.e., for "printer-name" (name),
+   "printer-location" (text), "printer-info" (text), and "printer-make-
+   and-model" (text).  When returning these Printer attributes, the
+   Printer object MAY return them in the configured natural language
+   specified by this attribute, instead of the natural language
+
+
+
+deBry, et al.                 Experimental                    [Page 107]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   requested by the client in the "attributes-natural-language"
+   operation attribute.  See Section 3.1.4.1 for the specification of
+   the OPTIONAL multiple natural language support.  Therefore, the value
+   of the Printer object's "natural-language-configured" attribute MUST
+   also be among the values of the Printer object's "generated-natural-
+   language-supported" attribute.
+
+4.4.17 generated-natural-language-supported (1setOf naturalLanguage)
+
+   This REQUIRED Printer attribute identifies the natural language(s)
+   that the Printer object and contained Job objects support in
+   attributes with attribute syntax 'text' and 'name'.  The natural
+   language(s) supported depends on implementation and/or configuration.
+   Unlike charsets, IPP objects MUST accept requests with any natural
+   language or any Natural Language Override whether the natural
+   language is supported or not.
+
+   If a Printer object supports a natural language, it means that for
+   any of the attributes for which the Printer or Job object generates
+   messages, i.e., for the "job-state-message" and "printer-state-
+   message" attributes and Operation Messages (see Section 3.1.5) in
+   operation responses, the Printer and Job objects MUST be able to
+   generate messages in any of the Printer's supported natural
+   languages.  See section 3.1.4 for the specification of 'text' and '
+   name' attributes in operation requests and responses.
+
+   Note: A Printer object that supports multiple natural languages,
+   often has separate catalogs of messages, one for each natural
+   language supported.
+
+4.4.18 document-format-default (mimeMediaType)
+
+   This REQUIRED Printer attribute identifies the document format that
+   the Printer object has been configured to assume if the client does
+   not supply a "document-format" operation attribute in any of the
+   operation requests that supply document data.  The standard values
+   for this attribute are Internet Media types (sometimes called MIME
+   types).  For further details see the description of the '
+   mimeMediaType' attribute syntax in Section 4.1.9.
+
+4.4.19 document-format-supported (1setOf mimeMediaType)
+
+   This REQUIRED Printer attribute identifies the set of document
+   formats that the Printer object and contained Job objects can
+   support. For further details see the description of the '
+   mimeMediaType' attribute syntax in Section 4.1.9.
+
+4.4.20 printer-is-accepting-jobs (boolean)
+
+
+
+deBry, et al.                 Experimental                    [Page 108]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   This REQUIRED Printer attribute indicates whether the printer is
+   currently able to accept jobs, i.e., is accepting Print-Job, Print-
+   URI, and Create-Job requests.  If the value is 'true', the printer is
+   accepting jobs.  If the value is 'false', the Printer object is
+   currently rejecting any jobs submitted to it.  In this case, the
+   Printer object returns the 'server-error-not-accepting-jobs' status
+   code.
+
+   Note: This value is independent of the "printer-state" and "printer-
+   state-reasons" attributes because its value does not affect the
+   current job; rather it affects future jobs.  This attribute may cause
+   the Printer to reject jobs when the "printer-state" is 'idle' or it
+   may cause the Printer object to accepts jobs when the "printer-state"
+   is 'stopped'.
+
+4.4.21 queued-job-count (integer(0:MAX))
+
+   This RECOMMENDED Printer attribute contains a count of the number of
+   jobs that are either 'pending', 'processing', 'pending-held', or '
+   processing-stopped' and is set by the Printer object.
+
+4.4.22 printer-message-from-operator (text(127))
+
+   This Printer attribute provides a message from an operator, system
+   administrator or "intelligent" process to indicate to the end user
+   information or status of the printer, such as why it is unavailable
+   or when it is expected to be available.
+
+4.4.23 color-supported (boolean)
+
+   This Printer attribute identifies whether the device is capable of
+   any type of color printing at all, including highlight color.  All
+   document instructions having to do with color are embedded within the
+   document PDL (none are external IPP attributes in IPP/1.0).
+
+   Note:  end-users are able to determine the nature and details of the
+   color support by querying the "printer-more-info-manufacturer"
+   Printer attribute.
+
+4.4.24 reference-uri-schemes-supported (1setOf uriScheme)
+
+   This Printer attribute specifies which URI schemes are supported for
+   use in the "document-uri" operation attribute of the Print-URI or
+   Send-URI operation.  If a Printer object supports these optional
+   operations, it MUST support the "reference-uri-schemes-supported"
+   Printer attribute with at least the following schemed URI value:
+
+     'ftp':  The Printer object will use an FTP 'get' operation as
+
+
+
+deBry, et al.                 Experimental                    [Page 109]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        defined in RFC 2228 [RFC2228] using FTP URLs as defined by
+        [RFC2396] and[RFC2316].
+
+   The Printer object MAY OPTIONALLY support other URI schemes (see
+   section 4.1.6).
+
+4.4.25 pdl-override-supported (type2 keyword)
+
+   This REQUIRED Printer attribute expresses the ability for a
+   particular Printer implementation to either attempt to override
+   document data instructions with IPP attributes or not.
+
+   This attribute takes on the following values:
+
+     - 'attempted': This value indicates that the Printer object
+       attempts to make the IPP attribute values take precedence over
+       embedded instructions in the document data, however there is no
+       guarantee.
+
+     - 'not-attempted': This value indicates that the Printer object
+       makes no attempt to make the IPP attribute values take precedence
+       over embedded instructions in the document data.
+
+   Section 15 contains a full description of how this attribute
+   interacts with and affects other IPP attributes, especially the
+   "ipp-attribute-fidelity" attribute.
+
+4.4.26 printer-up-time (integer(1:MAX))
+
+   This REQUIRED Printer attribute indicates the amount of time (in
+   seconds) that this instance of this Printer implementation has been
+   up and running.  This value is used to populate the Job attributes
+   "time-at-creation", "time-at-processing", and "time-at-completed".
+   These time values are all measured in seconds and all have meaning
+   only relative to this attribute, "printer-up-time".  The value is a
+   monotonically increasing value starting from 1 when the Printer
+   object is started-up (initialized, booted, etc.).
+
+   If the Printer object goes down at some value 'n', and comes back up,
+   the implementation MAY:
+
+     1. Know how long it has been down, and resume at some value greater
+        than 'n', or
+     2. Restart from 1.
+
+   In the first case, the Printer SHOULD not tweak any existing related
+   Job attributes ("time-at-creation", "time-at-processing", and "time-
+   at-completed").  In the second case, the Printer object SHOULD reset
+
+
+
+deBry, et al.                 Experimental                    [Page 110]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   those attributes to 0.  If a client queries a time-related Job
+   attribute and finds the value to be 0, the client MUST assume that
+   the Job was submitted in some life other than the Printer's current
+   life.
+
+4.4.27 printer-current-time (dateTime)
+
+   This Printer attribute indicates the current absolute wall-clock
+   time.  If an implementation supports this attribute, then a client
+   could calculate the absolute wall-clock time each Job's "time-at-
+   creation", "time-at-processing", and "time-at-completed" attributes
+   by using both "printer-up-time" and this attribute, "printer-
+   current-time".  If an implementation does not support this attribute,
+   a client can only calculate the relative time of certain events based
+   on the REQUIRED "printer-up-time" attribute.
+
+4.4.28 multiple-operation-time-out (integer(1:MAX))
+
+   This Printer attributes identifies the minimum time (in seconds) that
+   the Printer object waits for additional Send-Document or Send-URI
+   operations to follow a still-open multi-document Job object before
+   taking  any recovery actions, such as the ones indicated in section
+   3.3.1.
+
+   It is RECOMMENDED that vendors supply a value for this attribute that
+   is between 60 and 240 seconds.  An implementation MAY allow a system
+   administrator to set this attribute.  If so, the system administrator
+   MAY be able to set values outside this range.
+
+4.4.29 compression-supported (1setOf type3 keyword)
+
+   This Printer attribute identifies the set of supported compression
+   algorithms for document data.  Compression only applies to the
+   document data; compression does not apply to the encoding of the IPP
+   operation itself.  The supported values are used to validate the
+   client supplied "compression" operation attributes in Print-Job,
+   Send-Document, and Send-URI requests.
+
+   Standard values are :
+
+     'none': no compression is used.
+     'deflate':  ZIP public domain inflate/deflate) compression
+        technology
+     'gzip' GNU zip compression technology described in RFC 1952
+        [RFC1952].
+     'compress': UNIX compression technology
+
+4.4.30 job-k-octets-supported (rangeOfInteger(0:MAX))
+
+
+
+deBry, et al.                 Experimental                    [Page 111]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   This Printer attribute specifies the upper and lower bounds of total
+   sizes of jobs in K octets, i.e., in units of 1024 octets. The
+   supported values are used to validate the client supplied "job-k-
+   octets" operation attributes in create requests.  The corresponding
+   job description attribute "job-k-octets" is defined in section
+   4.3.17.
+
+   4.4.31 job-impressions-supported (rangeOfInteger(0:MAX))
+
+   This Printer attribute specifies the upper and lower bounds for the
+   number of impressions per job. The supported values are used to
+   validate the client supplied "job-impressions" operation attributes
+   in create requests.  The corresponding job description attribute
+   "job-impressions" is defined in section 4.3.18.
+
+4.4.32 job-media-sheets-supported (rangeOfInteger(0:MAX))
+
+   This Printer attribute specifies the upper and lower bounds for the
+   number of media sheets per job. The supported values are used to
+   validate the client supplied "job-media-sheets" operation attributes
+   in create requests.  The corresponding Job attribute "job-media-
+   sheets" is defined in section 4.3.19.
+
+5. Conformance
+
+   This section describes conformance issues and requirements. This
+   document introduces model entities such as objects, operations,
+   attributes, attribute syntaxes, and attribute values.  These
+   conformance sections describe the conformance requirements which
+   apply to these model entities.
+
+5.1 Client Conformance Requirements
+
+   A conforming client MUST support all REQUIRED operations as defined
+   in this document.  For each attribute included in an operation
+   request, a conforming client MUST supply a value whose type and value
+   syntax conforms to the requirements of the Model document as
+   specified in Sections 3 and 4.  A conforming client MAY supply any
+   registered extensions and/or private extensions in an operation
+   request, as long as they meet the requirements in Section 6.
+
+   Otherwise, there are no conformance requirements placed on the user
+   interfaces provided by IPP clients or their applications.  For
+   example, one application might not allow an end user to submit
+   multiple documents per job, while another does.  One application
+   might first query a Printer object in order to supply a graphical
+   user interface (GUI) dialogue box with supported and default values
+   whereas a different implementation might not.
+
+
+
+deBry, et al.                 Experimental                    [Page 112]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   When sending a request, an IPP client NEED NOT supply any attributes
+   that are indicated as OPTIONALLY supplied by the client.
+
+   A client MUST be able to accept any of the attribute syntaxes defined
+   in Section 4.1, including their full range, that may be returned to
+   it in a response from a Printer object.  In particular for each
+   attribute that the client supports whose attribute syntax is 'text',
+   the client MUST accept and process both the 'textWithoutLanguage' and
+   'textWithLanguage' forms.  Similarly, for each attribute that the
+   client supports whose attribute syntax is 'name', the client MUST
+   accept and process both the 'nameWithoutLanguage' and '
+   nameWithLanguage' forms.  For presentation purposes, truncation of
+   long attribute values is not recommended.  A recommended approach
+   would be for the client implementation to allow the user to scroll
+   through long attribute values.
+
+   A query response may contain attribute groups, attributes, and values
+   that the client does not expect.  Therefore, a client implementation
+   MUST gracefully handle such responses and not refuse to inter-operate
+   with a conforming Printer that is returning extended registered or
+   private attributes and/or attribute values that conform to Section 6.
+   Clients may choose to ignore any parameters, attributes, or values
+   that they do not understand.
+
+5.2 IPP Object Conformance Requirements
+
+   This section specifies the conformance requirements for conforming
+   implementations with respect to objects, operations, and attributes.
+
+5.2.1 Objects
+
+   Conforming implementations MUST implement all of the model objects as
+   defined in this specification in the indicated sections:
+
+     Section 2.1 - Printer Object
+     Section 2.2 - Job Object
+
+5.2.2 Operations
+
+   Conforming IPP object implementations MUST implement all of the
+   REQUIRED model operations, including REQUIRED responses, as defined
+   in this specification in the indicated sections:
+
+     For a Printer object:
+        Print-Job (section 3.2.1)          REQUIRED
+        Print-URI (section 3.2.2)          OPTIONAL
+        Validate-Job (section 3.2.3)       REQUIRED
+        Create-Job (section 3.2.4)         OPTIONAL
+
+
+
+deBry, et al.                 Experimental                    [Page 113]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        Get-Printer-Attributes (section 3.2.5)  REQUIRED
+        Get-Jobs (section 3.2.6)           REQUIRED
+
+     For a Job object:
+        Send-Document (section 3.3.1)      OPTIONAL
+        Send-URI (section 3.3.2)           OPTIONAL
+        Cancel-Job (section 3.3.3)         REQUIRED
+        Get-Job-Attributes (section 3.3.4) REQUIRED
+
+   Conforming IPP objects MUST support all REQUIRED operation attributes
+   and all values of such attributes if so indicated in the description.
+   Conforming IPP objects MUST ignore all unsupported or unknown
+   operation attributes or operation attribute groups received in a
+   request, but MUST reject a request that contains a supported
+   operation attribute that contains an unsupported value.
+
+   The following section on object attributes specifies the support
+   required for object attributes.
+
+5.2.3 IPP Object Attributes
+
+   Conforming IPP objects MUST support all of the REQUIRED object
+   attributes, as defined in this specification in the indicated
+   sections.
+
+   If an object supports an attribute, it MUST support only those values
+   specified in this document or through the extension mechanism
+   described in section 5.2.4. It MAY support any non-empty subset of
+   these values.  That is, it MUST support at least one of the specified
+   values and at most all of them.
+
+5.2.4 Extensions
+
+   A conforming IPP object MAY support registered extensions and private
+   extensions, as long as they meet the requirements specified in
+   Section 6.
+
+   For each attribute included in an operation response, a conforming
+   IPP object MUST return a value whose type and value syntax conforms
+   to the requirement of the Model document as specified in Sections 3
+   and 4.
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 114]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+5.2.5 Attribute Syntaxes
+
+   An IPP object MUST be able to accept any of the attribute syntaxes
+   defined in Section 4.1, including their full range, in any operation
+   in which a client may supply attributes or the system administrator
+   may configure attributes (by means outside the scope of IPP/1.0).  In
+   particular for each attribute that the IPP object supports whose
+   attribute syntax is 'text', the IPP object MUST accept and process
+   both the 'textWithoutLanguage' and 'textWithLanguage' forms.
+   Similarly, for each attribute that the IPP object supports whose
+   attribute syntax is 'name', the IPP object MUST accept and process
+   both the 'nameWithoutLanguage' and 'nameWithLanguage' forms.
+   Furthermore, an IPP object MUST return attributes to the client in
+   operation responses that conform to the syntax specified in Section
+   4.1, including their full range if supplied previously by a client.
+
+5.3 Charset and Natural Language Requirements
+
+   All clients and IPP objects MUST support the 'utf-8' charset as
+   defined in section 4.1.7.
+
+   IPP objects MUST be able to accept any client request which correctly
+   uses the "attributes-natural-language" operation attribute or the
+   Natural Language Override mechanism on any individual attribute
+   whether or not the natural language is supported by the IPP object.
+   If an IPP object supports a natural language, then it MUST be able to
+   translate (perhaps by table lookup) all generated 'text' or 'name'
+   attribute values into one of the supported languages (see section
+   3.1.4).  That is, the IPP object that supports a natural language
+   NEED NOT be a general purpose translator of any arbitrary 'text' or '
+   name' value supplied by the client into that natural language.
+   However, the object MUST be able to translate (automatically
+   generate) any of its own attribute values and messages into that
+   natural language.
+
+5.4 Security Conformance Requirements
+
+   Conforming IPP Printer objects MAY support Secure Socket Layer
+   Version 3 (SSL3) [SSL] access, support access without SSL3 or support
+   both means of access.
+
+   Conforming IPP clients SHOULD support SSL3 access and non-SSL3
+   access.  Note: This client requirement to support both means that
+   conforming IPP clients will be able to inter-operate with any IPP
+   Printer object.
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 115]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   For a detailed discussion of security considerations and the IPP
+   application security profile required for SSL3 support, see section
+   8.
+
+6. IANA Considerations (registered and private extensions)
+
+   This section describes how IPP can be extended to allow the following
+   registered and private extensions to IPP:
+
+     1. keyword attribute values
+     2. enum attribute values
+     3. attributes
+     4. attribute syntaxes
+     5. operations
+     6. attribute groups
+     7. status codes
+
+   Extensions registered for use with IPP/1.0 are OPTIONAL for client
+   and IPP object conformance to the IPP/1.0 Model specification.
+
+   These extension procedures are aligned with the guidelines as set
+   forth by the IESG [RFC2434].  Section 11 describes how to propose new
+   registrations for consideration.  IANA will reject registration
+   proposals that leave out required information or do not follow the
+   appropriate format described in Section 11.  IPP/1.0 may also be
+   extended by an appropriate RFC that specifies any of the above
+   extensions.
+
+6.1 Typed 'keyword' and 'enum' Extensions
+
+   IPP allows for 'keyword' and 'enum' extensions (see sections 4.1.2.3
+   and 4.1.4).  This document uses prefixes to the 'keyword' and 'enum'
+   basic attribute syntax type in order to communicate extra information
+   to the reader through its name. This extra information is not
+   represented in the protocol because it is unimportant to a client or
+   Printer object.  The list below describes the prefixes and their
+   meaning.
+
+     "type1":  The IPP specification must be revised to add a new
+        keyword or a new enum.  No private keywords or enums are
+        allowed.
+
+     "type2":  Implementers can, at any time, add new keyword or enum
+        values by proposing the complete specification to IANA:
+
+        iana@iana.org
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 116]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        IANA will forward the registration proposal to the IPP
+        Designated Expert who will review the proposal with a mailing
+        list that the Designated Expert keeps for this purpose.
+        Initially, that list will be the mailing list used by the IPP
+        WG:
+
+             ipp@pwg.org
+
+        even after the IPP WG is disbanded as permitted by [RFC2434].
+        The IPP Designated Expert is appointed by the IESG Area Director
+        responsible for IPP, according to [RFC2434].
+
+        When a type2 keyword or enum is approved, the IPP Designated
+        Expert becomes the point of contact for any future maintenance
+        that might be required for that registration.
+
+     "type3":  Implementers can, at any time, add new keyword and enum
+        values by submitting the complete specification to IANA as for
+        type2 who will forward the proposal to the IPP Designated
+        Expert.  While no additional technical review is required, the
+        IPP Designated Expert may, at his/her discretion, forward the
+        proposal to the same mailing list as for type2 registrations for
+        advice and comment.
+
+        When a type3 keyword or enum is approved by the IPP Designated
+        Expert, the original proposer becomes the point of contact for
+        any future maintenance that might be required for that
+        registration.
+
+   For type2 and type3 keywords, the proposer includes the name of the
+   keyword in the registration proposal and the name is part of the
+   technical review.
+
+   After type2 and type3 enums specifications are approved, the IPP
+   Designated Expert in consultation with IANA assigns the next
+   available enum number for each enum value.
+
+   IANA will publish approved type2 and type3 keyword and enum
+   attributes value registration specifications in:
+
+        ftp.isi.edu/iana/assignments/ipp/attribute-values/xxx/yyy.txt
+
+   where xxx is the attribute name that specifies the initial values and
+   yyy.txt is a descriptive file name that contains one or more enums or
+   keywords approved at the same time.  For example, if several
+   additional enums for stapling are approved for use with the
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 117]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   "finishings" attribute (and "finishings-default" and "finishings-
+   supported" attributes), IANA will publish the additional values in
+   the file:
+
+        ftp.isi.edu/iana/assignments/ipp/attribute-
+        values/finishings/stapling.txt
+
+   Note: Some attributes are defined to be: 'type3 keywords' | 'name'
+   which allows for attribute values to be extended by a site
+   administrator with administrator defined names.  Such names are not
+   registered with IANA.
+
+   By definition, each of the three types above assert some sort of
+   registry or review process in order for extensions to be considered
+   valid.  Each higher numbered level (1, 2, 3) tends to be decreasingly
+   less stringent than the previous level.   Therefore, any typeN value
+   MAY be registered using a process for some typeM where M is less than
+   N, however such registration is NOT REQUIRED.  For example, a type3
+   value MAY be registered in a type 1 manner (by being included in a
+   future version of an IPP specification), however, it is NOT REQUIRED.
+
+   This specification defines keyword and enum values for all of the
+   above types, including type3 keywords.
+
+   For private (unregistered) keyword extensions, implementers SHOULD
+   use keywords with a suitable distinguishing prefix, such as "xxx-"
+   where xxx is the (lowercase) fully qualified company name registered
+   with IANA for use in domain names [RFC1035].  For example, if the
+   company XYZ Corp.  had obtained the domain name "XYZ.com", then a
+   private keyword 'abc' would be: 'xyz.com-abc'.
+
+   Note: RFC 1035 [RFC1035] indicates that while upper and lower case
+   letters are allowed in domain names, no significance is attached to
+   the case.  That is, two names with the same spelling but different
+   case are to be treated as if identical.  Also, the labels in a domain
+   name must follow the rules for ARPANET host names:  They must start
+   with a letter, end with a letter or digit, and have as interior
+   characters only letters, digits, and hyphen.  Labels must be 63
+   characters or less.  Labels are separated by the "." character.
+
+   For private (unregistered) enum extension, implementers MUST use
+   values in the reserved integer range which is 2**30 to 2**31-1.
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 118]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+6.2 Attribute Extensibility
+
+   Attribute names are type2 keywords.  Therefore, new attributes may be
+   registered and have the same status as attributes in this document by
+   following the type2 extension rules.  For private (unregistered)
+   attribute extensions, implementers SHOULD use keywords with a
+   suitable distinguishing prefix as described in Section 6.1.
+
+   IANA will publish approved attribute registration specifications as
+   separate files:
+
+        ftp.isi.edu/iana/assignments/ipp/attributes/xxx-yyy.txt
+
+   where "xxx-yyy" is the new attribute name.
+
+   If a new Printer object attribute is defined and its values can be
+   affected by a specific document format, its specification needs to
+   contain the following sentence:
+
+     "The value of this attribute returned in a Get-Printer-Attributes
+     response MAY depend on the "document-format" attribute supplied
+     (see Section 3.2.5.1)."
+
+   If the specification does not, then its value in the Get-Printer-
+   Attributes response MUST NOT depend on the "document-format" supplied
+   in the request.  When a new Job Template attribute is registered, the
+   value of the Printer attributes MAY vary with "document-format"
+   supplied in the request without the specification having to indicate
+   so.
+
+6.3 Attribute Syntax Extensibility
+
+   Attribute syntaxes are like type2 enums.  Therefore, new attribute
+   syntaxes may be registered and have the same status as attribute
+   syntaxes in this document by following the type2 extension rules
+   described in Section 6.1.  The value codes that identify each of the
+   attribute syntaxes are assigned in the Encoding and Transport
+   specification [RFC2565], including a designated range for private,
+   experimental use.
+
+   For attribute syntaxes, the IPP Designated Expert in consultation
+   with IANA assigns the next attribute syntax code in the appropriate
+   range as specified in [RFC2565].  IANA will publish approved
+   attribute syntax registration specifications as separate files:
+
+        ftp.isi.edu/iana/assignments/ipp/attribute-syntaxes/xxx-yyy.txt
+
+   where 'xxx-yyy' is the new attribute syntax name.
+
+
+
+deBry, et al.                 Experimental                    [Page 119]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+6.4 Operation Extensibility
+
+   Operations may also be registered following the type2 procedures
+   described in Section 6.1, though major new operations will usually be
+   done by a new standards track RFC that augments this document.  For
+   private (unregistered) operation extensions, implementers MUST use
+   the range for the "operation-id" in requests specified in Section
+   4.4.13 "operations-supported" Printer attribute.
+
+   For operations, the IPP Designated Expert in consultation with IANA
+   assigns the next operation-id code as specified in Section 4.4.13.
+   IANA will publish approved operation registration specifications as
+   separate files:
+
+        ftp.isi.edu/iana/assignments/ipp/operations/Xxx-Yyy.txt
+
+   where "Xxx-Yyy" is the new operation name.
+
+6.5 Attribute Groups
+
+   Attribute groups passed in requests and responses may be registered
+   following the type2 procedures described in Section 6.1.  The tags
+   that identify each of the attribute groups are assigned in [RFC2565].
+
+   For attribute groups, the IPP Designated Expert in consultation with
+   IANA assigns the next attribute group tag code in the appropriate
+   range as specified in [RFC2565].  IANA will publish approved
+   attribute group registration specifications as separate files:
+
+        ftp.isi.edu/iana/assignments/ipp/attribute-group-tags/xxx-yyy-
+        tag.txt
+
+   where 'xxx-yyy-tag' is the new attribute group tag name.
+
+6.6 Status Code Extensibility
+
+   Operation status codes may also be registered following the type2
+   procedures described in Section 6.1.  The values for status codes are
+   allocated in ranges as specified in Section 13 for each status code
+   class:
+
+     "informational" - Request received, continuing process
+     "successful" - The action was successfully received, understood,
+        and accepted
+     "redirection" - Further action must be taken in order to complete
+        the request
+     "client-error" - The request contains bad syntax or cannot be
+        fulfilled
+
+
+
+deBry, et al.                 Experimental                    [Page 120]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     "server-error" - The IPP object  failed to fulfill an apparently
+        valid request
+
+   For private (unregistered) operation status code extensions,
+   implementers MUST use the top of each range as specified in Section
+   13.
+
+   For operation status codes, the IPP Designated Expert in consultation
+   with IANA assigns the next status code in the appropriate class range
+   as specified in Section 13.  IANA will publish approved status code
+   registration specifications as separate files:
+
+        ftp.isi.edu/iana/assignments/ipp/status-codes/xxx-yyy.txt
+
+   where "xxx-yyy" is the new operation status code keyword.
+
+6.7 Registration of MIME types/sub-types for document-formats
+
+   The "document-format" attribute's syntax is 'mimeMediaType'.  This
+   means that valid values are Internet Media Types (see Section 4.1.9).
+   RFC 2045 [RFC2045] defines the syntax for valid Internet media types.
+   IANA is the registry for all Internet media types.
+
+6.8 Registration of charsets for use in 'charset' attribute values
+
+   The "attributes-charset" attribute's syntax is 'charset'.  This means
+   that valid values are charsets names.  When a charset in the IANA
+   registry has more than one name (alias), the name labeled as
+   "(preferred MIME name)", if present, MUST be used (see Section
+   4.1.7).  IANA is the registry for charsets following the procedures
+   of [RFC2278].
+
+7. Internationalization Considerations
+
+   Some of the attributes have values that are text strings and names
+   which are intended for human understanding rather than machine
+   understanding (see the 'text' and 'name' attribute syntaxes in
+   Sections 4.1.1 and 4.1.2).
+
+   In each operation request, the client
+
+     - identifies the charset and natural language of the request which
+       affects each supplied 'text' and 'name' attribute value, and
+     - requests the charset and natural language for attributes returned
+       by the IPP object in operation responses (as described in Section
+       3.1.4.1).
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 121]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   In addition, the client MAY separately and individually identify the
+   Natural Language Override of a supplied 'text' or 'name' attribute
+   using the 'textWithLanguage' and 'nameWithLanguage' technique
+   described section 4.1.1.2 and 4.1.2.2 respectively.
+
+   All IPP objects MUST support the UTF-8 [RFC2279] charset in all '
+   text' and 'name' attributes supported.  If an IPP object supports
+   more than the UTF-8 charset, the object MUST convert between them in
+   order to return the requested charset to the client according to
+   Section 3.1.4.2.  If an IPP object supports more than one natural
+   language, the object SHOULD return 'text' and 'name' values in the
+   natural language requested where those values are generated by the
+   Printer (see Section 3.1.4.1).
+
+   For Printers that support multiple charsets and/or multiple natural
+   languages in 'text' and 'name' attributes, different jobs may have
+   been submitted in differing charsets and/or natural languages.  All
+   responses MUST be returned in the charset requested by the client.
+   However, the Get-Jobs operation uses the 'textWithLanguage' and '
+   nameWithLanguage' mechanism to identify the differing natural
+   languages with each job attribute returned.
+
+   The Printer object also has configured charset and natural language
+   attributes.   The client can query the Printer object to determine
+   the list of charsets and natural languages supported by the Printer
+   object and what the Printer object's configured values are.  See the
+   "charset-configured", "charset-supported", "natural-language-
+   configured", and "generated-natural-language-supported" Printer
+   description attributes for more details.
+
+   The "charset-supported" attributed identifies the supported charsets.
+   If a charset is supported, the IPP object MUST be capable of
+   converting to and from that charset into any other supported charset.
+   In many cases, an IPP object will support only one charset and it
+   MUST be the UTF-8 charset.
+
+   The "charset-configured" attribute identifies the one supported
+   charset which is the native charset given the current configuration
+   of the IPP object (administrator defined).
+
+   The "generated-natural-language-supported" attribute identifies the
+   set of supported natural languages for generated messages; it is not
+   related to the set of natural languages that must be accepted for
+   client supplied 'text' and 'name' attributes.  For client supplied '
+   text' and 'name' attributes, an IPP object MUST accept ALL supplied
+   natural languages.  Just because a Printer object is currently
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 122]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   configured to support 'en-us' natural language does not mean that the
+   Printer object should reject a job if the client supplies a job name
+   that is in 'fr-ca'.
+
+   The "natural-language-configured" attribute identifies the one
+   supported natural language for generated messages which is the native
+   natural language given the current configuration of the IPP object
+   (administrator defined).
+
+   Attributes of type 'text' and 'name' are populated from different
+   sources.  These attributes can be categorized into following groups
+   (depending on the source of the attribute):
+
+     1. Some attributes are supplied by the client (e.g., the client
+        supplied "job-name", "document-name", and "requesting-user-name"
+        operation attributes along with the corresponding Job object's
+        "job-name" and "job-originating-user-name" attributes).  The IPP
+        object MUST accept these attributes in any natural language no
+        matter what the set of supported languages for generated
+        messages
+     2. Some attributes are supplied by the system administrator (e.g.,
+        the Printer object's "printer-name" and "printer-location"
+        attributes).  These too can be in any natural language.  If the
+        natural language for these attributes is different than what a
+        client requests, then they must be reported using the Natural
+        Language Override mechanism.
+     3. Some attributes are supplied by the device manufacturer (e.g.,
+        the Printer object's "printer-make-and-model" attribute).  These
+        too can be in any natural language.  If the natural language for
+        these attributes is different than what a client requests, then
+        they must be reported using the Natural Language Override
+        mechanism.
+     4. Some attributes are supplied by the operator (e.g., the Job
+        object's "job-message-from-operator" attribute). These too can
+        be in any natural language.  If the natural language for these
+        attributes is different than what a client requests, then they
+        must be reported using the Natural Language Override mechanism.
+     5. Some attributes are generated by the IPP object (e.g., the Job
+        object's "job-state-message" attribute, the Printer object's
+        "printer-state-message" attribute, and the "status-message"
+        operation attribute).  These attributes can only be in one of
+        the "generated-natural-language-supported" natural languages.
+        If a client requests some natural language for these attributes
+        other than one of the supported values, the IPP object SHOULD
+        respond using the value of the "natural-language-configured"
+        attribute (using the Natural Language Override mechanism if
+        needed).
+
+
+
+
+deBry, et al.                 Experimental                    [Page 123]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   The 'text' and 'name' attributes specified in this version of this
+   document (additional ones will be registered according to the
+   procedures in Section 6) are:
+
+     Attributes                      Source
+     --------------------------      ----------
+     Operation Attributes
+        job-name (name)               client
+        document-name (name)          client
+        requesting-user-name (name)   client
+        status-message                Job or Printer object
+
+     Job Template Attributes:
+        job-hold-until)          client matches administrator-configured
+            (keyword | name
+        job-hold-until-default   client matches administrator-configured
+            (keyword | name)
+        job-hold-until-supported client matches administrator-configured
+            (keyword | name)
+        job-sheets               client matches administrator-configured
+            (keyword | name)
+        job-sheets-default       client matches administrator-configured
+            (keyword | name)
+        job-sheets-supported     client matches administrator-configured
+            (keyword | name)
+        media                    client matches administrator-configured
+            (keyword | name)
+        media-default            client matches administrator-configured
+            (keyword | name)
+        media-supported          client matches administrator-configured
+            (keyword | name)
+        media-ready              client matches administrator-configured
+            (keyword | name)
+
+     Job Description Attributes:
+        job-name (name)               client or Printer object
+        job-originating-user-name (name)   Printer object
+        job-state-message (text)      Job or Printer object
+        output-device-assigned (name(127)) administrator
+        job-message-from-operator (text(127))   operator
+
+     Printer Description Attributes:
+        printer-name (name(127))      administrator
+        printer-location (text(127))  administrator
+        printer-info (text(127))      administrator
+        printer-make-and-model (text(127)) administrator or manufacturer
+        printer-state-message (text)  Printer object
+        printer-message-from-operator (text(127))    operator
+
+
+
+deBry, et al.                 Experimental                    [Page 124]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+8. Security Considerations
+
+   Some IPP objects MAY be deployed over protocol stacks that support
+   Secure Socket Layer Version 3 (SSL3) [SSL].  Note:  SSL3 is not an
+   IETF standards track specification.  Other IPP objects MAY be
+   deployed over protocol stacks that do not support SSL3.  Some IPP
+   objects MAY be deployed over both types of protocol stacks.  Those
+   IPP objects that support SSL3, are capable of supporting mutual
+   authentication as well as privacy of messages via multiple encryption
+   schemes.  An important point about security related information for
+   SSL3 access to an IPP object, is that the security-related parameters
+   (authentication, encryption keys, etc.) are "out-of-band" to the
+   actual IPP protocol.
+
+   An IPP object that does not support SSL3 MAY elect to support a
+   transport layer that provides other security mechanisms.  For
+   example, in a mapping of IPP over HTTP/1.1 [RFC2565], if the IPP
+   object does not support SSL3, HTTP still allows for client
+   authentication using Digest Access Authentication (DAA) [RFC2069].
+
+   It is difficult to anticipate the security risks that might exist in
+   any given IPP environment. For example, if IPP is used within a given
+   corporation over a private network, the risks of exposing document
+   data may be low enough that the corporation will choose not to use
+   encryption on that data.  However, if the connection between the
+   client and the IPP object is over a public network, the client may
+   wish to protect the content of the information during transmission
+   through the network with encryption.
+
+   Furthermore, the value of the information being printed may vary from
+   one IPP environment to the next. Printing payroll checks, for
+   example, would have a different value than printing public
+   information from a file.  There is also the possibly of denial-of-
+   service attacks, but denial-of-service attacks against printing
+   resources are not well understood and there is no published
+   precedents regarding this scenario.
+
+   Once the authenticated identity of the requester has been supplied to
+   the IPP object, the object uses that identity to enforce any
+   authorization policy that might be in place.  For example, one site's
+   policy might be that only the job owner is allowed to cancel a job.
+   The details and mechanisms to set up a particular access control
+   policy are not part of IPP/1.0, and must be established via some
+   other type of administrative or access control framework.  However,
+   there are operation status codes that allow an IPP server to return
+   information back to a client about any potential access control
+   violations for an IPP object.
+
+
+
+
+deBry, et al.                 Experimental                    [Page 125]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   During a create operation, the client's identity is recorded in the
+   Job object in an implementation-defined attribute.  This information
+   can be used to verify a client's identity for subsequent operations
+   on that Job object in order to enforce any access control policy that
+   might be in effect.  See section 8.3 below for more details.
+
+   Since the security levels or the specific threats that any given IPP
+   system administrator may be concerned with cannot be anticipated, IPP
+   MUST be capable of operating with different security mechanisms and
+   security policies as required by the individual installation.
+   Security policies might vary from very strong, to very weak, to none
+   at all, and corresponding security mechanisms will be required. SSL3
+   supports the type of negotiated levels of security required by most,
+   if not all, potential IPP environments. IPP environments that require
+   no security can elect to deploy IPP objects that do not utilize the
+   optional SSL3 security mechanisms.
+
+8.1 Security Scenarios
+
+   The following sections describe specific security attacks for IPP
+   environments.  Where examples are provided they should be considered
+   illustrative of the environment and not an exhaustive set. Not all of
+   these environments will necessarily be addressed in initial
+   implementations of IPP.
+
+8.1.1 Client and Server in the Same Security Domain
+
+   This environment is typical of internal networks where traditional
+   office workers print the output of personal productivity applications
+   on shared work-group printers, or where batch applications print
+   their output on large production printers. Although the identity of
+   the user may be trusted in this environment, a user might want to
+   protect the content of a document against such attacks as
+   eavesdropping, replaying or tampering.
+
+8.1.2 Client and Server in Different Security Domains
+
+   Examples of this environment include printing a document created by
+   the client on a publicly available printer, such as at a commercial
+   print shop; or printing a document remotely on a business associate's
+   printer.  This latter operation is functionally equivalent to sending
+   the document to the business associate as a facsimile. Printing
+   sensitive information on a Printer in a different security domain
+   requires strong security measures. In this environment authentication
+   of the printer is required as well as protection against unauthorized
+   use of print resources. Since the document crosses security domains,
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 126]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   protection against eavesdropping and document tampering are also
+   required. It will also be important in this environment to protect
+   Printers against "spamming" and malicious document content.
+
+8.1.3 Print by Reference
+
+   When the document is not stored on the client, printing can be done
+   by reference. That is, the print request can contain a reference, or
+   pointer, to the document instead of the actual document itself.
+   Standard methods currently do not exist for remote entities to
+   "assume" the credentials of a client for forwarding requests to a 3rd
+   party. It is anticipated that Print-By-Reference will be used to
+   access "public" documents and that sophisticated methods for
+   authenticating "proxies" will not be specified for version 1 of IPP.
+
+8.2 URIs for SSL3 and non-SSL3 Access
+
+   As described earlier, an IPP object can support SSL3 access, non-SSL3
+   access, or both.  The "printer-uri-supported" attribute contains the
+   Printer object's URI(s).  Its companion attribute, "uri-security-
+   supported", identifies the security mechanism used for each URI
+   listed in the "printer-uri-supported" attribute.  For each Printer
+   operation request, a client MUST supply only one URI in the
+   "printer-uri" operation attribute.  In other words, even though the
+   Printer supports more than one URI, the client only interacts with
+   the Printer object using one if its URIs.  This duality is not needed
+   for Job objects, since the Printer objects is the factory for Job
+   objects, and the Printer object will generate the correct URI for new
+   Job objects depending on the Printer object's security configuration.
+
+8.3 The "requesting-user-name" (name(MAX)) Operation Attribute
+
+   Each operation MUST specify the user who is performing the operation
+   in both of the following two ways:
+
+     1) via the REQUIRED "requesting-user-name" operation attribute that
+        a client SHOULD supply in all operations. The client MUST obtain
+        the value for this attribute from an environmental or network
+        login name for the user, rather than allowing the user to supply
+        any value. If the client does not supply a value for
+        "requesting-user-name", the printer MUST assume that the client
+        is supplying some anonymous name, such as "anonymous".
+     2) via an authentication mechanism of the underlying transport
+        which may be configured to give no authentication information.
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 127]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   There are six cases to consider:
+
+     a) the authentication mechanism gives no information, and the
+        client doesn't specify  "requesting-user-name".
+     b) the authentication mechanism gives no information, but the
+        client specifies "requesting-user-name".
+     c) the authentication mechanism specifies a user which has no human
+        readable representation, and the client doesn't specify
+        "requesting-user-name".
+     d) the authentication mechanism specifies a user which has no human
+        readable representation, but the client specifies "requesting-
+        user-name".
+     e) the authentication mechanism specifies a user which has a human
+        readable representation. The Printer object ignores the
+        "requesting-user-name".
+     f) the authentication mechanism specifies a user who is trusted and
+        whose name means that the value of the "requesting-user-name",
+        which MUST be present, is treated as the authenticated name.
+
+   Note:  Case "f" is intended for a tightly coupled gateway and server
+   to work together so that the "user" name is able to be that of the
+   gateway client and not that of the gateway.  Because most, if not
+   all, system vendors will initially implement IPP via a gateway into
+   their existing print system, this mechanism is necessary unless the
+   authentication mechanism allows a gateway (client) to act on behalf
+   of some other client.
+
+   The user-name has two forms:
+
+     - one that is human readable: it is held in the REQUIRED "job-
+       originating-user-name" Job Description attribute which is set
+       during the job creation operations. It is used for presentation
+       only, such as returning in queries or printing on start sheets
+     - one for authorization: it is held in an undefined (by IPP) Job
+       object attribute which is set by the job creation operation.  It
+       is used to authorize other operations, such as Send-Document,
+       Send-URI, Cancel-Job, to determine the user when the "my-jobs"
+       attribute is specified with Get-Jobs, and to limit what
+       attributes and values to return with Get-Job-Attributes and Get-
+       Jobs.
+
+   The human readable user name:
+
+     - is the value of the "requesting-user-name" for cases b, d and f.
+     - comes from the authentication mechanism for case e
+     - is some anonymous name, such as "anonymous" for cases a and c.
+
+   The user name used for authorization:
+
+
+
+deBry, et al.                 Experimental                    [Page 128]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     - is the value of the "requesting-user-name" for cases b  and f.
+     - comes from the authentication mechanism for cases c, d and  e
+     - is some anonymous name, such as "anonymous" for case a.
+
+   The essence of these rules for resolving conflicting sources of
+   user-names is that a printer implementation is free to pick either
+   source as long as it achieves consistent results.  That is, if a user
+   uses the same path for a series of requests, the requests MUST appear
+   to come from the same user from the standpoint of both the human-
+   readable user name and the user name for authorization.  This rule
+   MUST continue to apply even if a request could be authenticated by
+   two or more mechanisms.  It doesn't matter which of  several
+   authentication mechanisms a Printer uses as long as it achieves
+   consistent results.  If a client uses more than one authentication
+   mechanism, it is recommended that an administrator make all
+   credentials resolve to the same user and user-name as much as
+   possible.
+
+8.4 Restricted Queries
+
+   In many IPP operations, a client supplies a list of attributes to be
+   returned in the response.  For security reasons, an IPP object may be
+   configured not to return all attributes (or all values) that a client
+   requests.  The job attributes returned MAY depend on whether the
+   requesting user is the same as the user that submitted the job. The
+   IPP object MAY even return none of the requested attributes. In such
+   cases, the status returned is the same as if the object had returned
+   all requested attributes.  The client cannot tell by such a response
+   whether the requested attribute was present or absent on the object.
+
+8.5 Queries on jobs submitted using non-IPP protocols
+
+   If the device that an IPP Printer is representing is able to accept
+   jobs using other job submission protocols in addition to IPP, it is
+   RECOMMENDED that such an implementation at least allow such "foreign"
+   jobs to be queried using Get-Jobs returning "job-id" and "job-uri" as
+   'unknown'.  Such an implementation NEED NOT support all of the same
+   IPP job attributes as for IPP jobs.  The IPP object returns the '
+   unknown' out-of-band value for any requested attribute of a foreign
+   job that is supported for IPP jobs, but not for foreign jobs.
+
+   It is further RECOMMENDED, that the IPP Printer generate "job-id" and
+   "job-uri" values for such "foreign jobs", if possible, so that they
+   may be targets of other IPP operations, such as Get-Job-Attributes
+   and Cancel-Job.  Such an implementation also needs to deal with the
+   problem of authentication of such foreign jobs.  One approach would
+   be to treat all such foreign jobs as belonging to users other than
+   the user of the IPP client.  Another approach would be for the
+
+
+
+deBry, et al.                 Experimental                    [Page 129]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   foreign job to belong to 'anonymous'.  Only if the IPP client has
+   been authenticated as an operator or administrator of the IPP Printer
+   object, could the foreign jobs be queried by an IPP request.
+   Alternatively, if the security policy is to allow users to query
+   other users' jobs, then the foreign jobs would also be visible to an
+   end-user IPP client using Get-Jobs and Get-Job-Attributes.
+
+8.6 IPP Security Application Profile for SSL3
+
+   The IPP application profile for SSL3 follows the "Secure Socket
+   Layer" requirement as documented in the SSL3 specification [SSL].
+   For interoperability, the SSL3 cipher suites are:
+
+        SSL_RSA_WITH_RC4_128_MD5
+        SSL_RSA_WITH_3DES_EDE_CBC_SHA
+        SSL_RSA_WITH_DES_CBC_SHA
+        SSL_RSA_EXPORT_WITH_RC4_40_MD5
+        SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5
+        SSL_RSA_WITH_NULL_MD5
+
+   Client implementations MUST NOT assume any other cipher suites are
+   supported by an IPP Printer object.
+
+   If a conforming IPP object supports SSL3, it MUST implement and
+   support the cipher suites listed above and MAY support additional
+   cipher suites.
+
+   A conforming IPP client SHOULD support SSL3 including the cipher
+   suites listed above.  A conforming IPP client MAY support additional
+   cipher suites.
+
+   It is possible that due to certain government export restrictions
+   some non-compliant versions of this extension could be deployed.
+   Implementations wishing to inter-operate with such non-compliant
+   versions MAY offer the SSL_RSA_EXPORT_WITH_RC4_40_MD5 and
+   SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5 mechanisms.  However, since 40 bit
+   ciphers are known to be vulnerable to attack by current technology,
+   any client which actives a 40 bit cipher MUST NOT indicate to the
+   user that the connection is completely secure from eavesdropping.
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 130]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+9. References
+
+   [ASCII]      Coded Character Set - 7-bit American Standard Code for
+                Information Interchange (ASCII), ANSI X3.4-1986. This
+                standard is the specification of the US-ASCII charset.
+
+   [HTPP]       J. Barnett, K. Carter, R. DeBry,  "Initial Draft -
+                Hypertext Printing Protocol - HTPP/1.0", October 1996.
+                ftp://ftp.pwg.org/pub/pwg/ipp/historic/htpp/
+                overview.ps.gz
+
+   [IANA-CS]    IANA Registry of Coded Character Sets:
+                ftp://ftp.isi.edu/in-notes/iana/assignments/character-
+                sets
+
+   [IANA-MT]    IANA Registry of Media Types:  ftp://ftp.isi.edu/in-
+                notes/iana/assignments/media-types/
+
+   [ipp-iig]    Hastings, T. and C. Manros, "Internet Printing
+                Protocol/1.0:  Implementer's Guide", Work in Progress.
+
+   [ISO10646-1] ISO/IEC 10646-1:1993, "Information technology --
+                Universal Multiple-Octet Coded Character Set (UCS) -
+                Part 1: Architecture and Basic Multilingual Plane,
+                JTC1/SC2."
+
+   [ISO8859-1]  ISO/IEC 8859-1:1987, "Information technology -- 8-bit
+                One-Byte Coded Character Set - Part 1: Latin Alphabet Nr
+                1", 1987, JTC1/SC2.
+
+   [ISO10175]   ISO/IEC 10175 Document Printing Application (DPA), June
+                1996.
+
+   [LDPA] T. Hastings, S. Isaacson, M. MacKay, C. Manros, D. Taylor, P.
+                Zehler, "LDPA - Lightweight Document Printing
+                Application", October 1996,
+                ftp://ftp.pwg.org/pub/pwg/ipp/historic/ldpa/ldpa8.pdf.gz
+
+   [P1387.4]    Kirk, M. (Editor), POSIX System Administration - Part 4:
+                Printing Interfaces, POSIX 1387.4 D8, 1994.
+
+   [PSIS]       Herriot, R. (editor), X/Open A Printing System
+                Interoperability Specification (PSIS), August 1995.
+
+   [PWG]        Printer Working Group, http://www.pwg.org.
+
+   [RFC1035]    Mockapetris, P., "DOMAIN NAMES - IMPLEMENTATION AND
+                SPECIFICATION", STD 13, RFC 1035, November 1987.
+
+
+
+deBry, et al.                 Experimental                    [Page 131]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   [RFC1759]    Smith, R., Wright, F., Hastings, T., Zilles, S. and J.
+                Gyllenskog, "Printer MIB", RFC 1759, March 1995.
+
+   [RFC1766]    Alvestrand, H., "Tags for the Identification of
+                Languages", RFC 1766, March 1995.
+
+   [RFC1179]    McLaughlin, L. (Editor), "Line Printer Daemon Protocol",
+                RFC 1179, August 1990.
+
+   [RFC1952]    Deutsch, P., "GZIP file format specification version
+                4.3", RFC 1952, May 1996.
+
+   [RFC2045]    Freed, N. and N. Borenstein, " Multipurpose Internet
+                Mail Extensions (MIME) Part One: Format of Internet
+                Message Bodies", RFC 2045, November 1996.
+
+   [RFC2046]    Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+                Extensions (MIME) Part Two: Media Types", RFC 2046,
+                November 1996.
+
+   [RFC2048]    Freed, N., Klensin, J. and J. Postel, "Multipurpose
+                Internet Mail Extension (MIME) Part Four: Registration
+                Procedures", RFC 2048, November 1996.
+
+   [RFC2068]    Fielding, R., Gettys, J., Mogul, J., Frystyk, H. AND T.
+                Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1",
+                RFC 2068, January 1997.
+
+   [RFC2069]    Franks, J., Hallam-Baker, P., Hostetler, J., Leach, P.,
+                Luotonen, A., Sink, E. and L. Stewart, "An Extension to
+                HTTP: Digest Access Authentication", RFC 2069, January
+                1997.
+
+   [RFC2119]    Bradner, S., "Key words for use in RFCs to Indicate
+                Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2228]    Horowitz, M. and S. Lunt, "FTP Security Extensions", RFC
+                2228, October 1997.
+
+   [RFC2277]    Alvestrand, H., "IETF Policy on Character Sets and
+                Languages" RFC 2277, January 1998.
+
+   [RFC2278]    Freed, N. and J. Postel:  "IANA Charset Registration
+                Procedures", BCP 19, RFC 2278, January 1998.
+
+   [RFC2279]    Yergeau, F., "UTF-8, a transformation format of ISO
+                10646", RFC 2279, January 1998.
+
+
+
+
+deBry, et al.                 Experimental                    [Page 132]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   [RFC2316]    Bellovin, S., "Report of the IAB Security Architecture
+                Workshop", RFC 2316, April 1998.
+
+   [RFC2396]    Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform
+                Resource Identifiers (URI): Generic Syntax", RFC 2396,
+                August 1998.
+
+   [RFC2434]    Narten, T. and H. Alvestrand, "Guidelines for Writing an
+                IANA Considerations Section in RFCs", BCP 26, RFC 2434,
+                October 1998.
+
+   [RFC2565]    Herriot, R., Butler, S., Moore, P. and R. Tuner
+                "Internet Printing Protocol/1.0: Encoding and
+                Transport", RFC 2565, April 1999.
+
+   [RFC2567]    Wright, D.,  "Design Goals for an Internet Printing
+                Protocol", RFC 2567, April 1999.
+
+   [RFC2568]    Zilles, S., "Rationale for the Structure and Model and
+                Protocol for the Internet Printing Protocol", RFC 2568,
+                April 1999.
+
+   [RFC2569]    Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+                "Mapping between LPD and IPP Protocols", RFC 2569, April
+                1999.
+
+   [RFC2579]    McCloghrie, K., Perkins, D. and J. Schoenwaelder,
+                "Textual Conventions for SMIv2", STD 58, RFC 2579, April
+                1999.
+
+   [SSL]        Netscape, The SSL Protocol, Version 3, (Text version
+                3.02), November 1996.
+
+   [SWP]        P. Moore, B. Jahromi, S. Butler, "Simple Web Printing
+                SWP/1.0", May 7, 1997,
+                ftp://ftp.pwg.org/pub/pwg/ipp/new_PRO/swp9705.pdf
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 133]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+10. Authors' Addresses
+
+   Scott A. Isaacson (Editor)
+   Novell, Inc.
+   122 E 1700 S
+   Provo, UT   84606
+
+   Phone: 801-861-7366
+   Fax:   801-861-2517
+   EMail: sisaacson@novell.com
+
+
+   Tom Hastings
+   Xerox Corporation
+   737 Hawaii St.
+   El Segundo, CA   90245
+
+   Phone: 310-333-6413
+   Fax:   310-333-5514
+   EMail: hastings@cp10.es.xerox.com
+
+
+   Robert Herriot
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   EMail: robert.herriot@pahv.xerox.com
+
+
+   Roger deBry
+   Utah Valley State College
+   Orem, UT 84058
+
+   Phone: (801) 222-8000
+   EMail: debryro@uvsc.edu
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 134]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Patrick Powell
+   Astart Technologies
+   9475 Chesapeake Dr., Suite D
+   San Diego, CA  95123
+
+   Phone: (619) 874-6543
+   Fax: (619) 279-8424
+   EMail: papowell@astart.com
+
+   IPP Mailing List:  ipp@pwg.org
+   IPP Mailing List Subscription: ipp-request@pwg.org
+   IPP Web Page:  http://www.pwg.org/ipp/
+
+   Implementers of this specification are encouraged to join IPP Mailing
+   List in order to participate in any discussions of clarification
+   issues and review of registration proposals for additional attributes
+   and values.
+
+   Other Participants:
+
+      Chuck Adams - Tektronix
+      Jeff Barnett - IBM
+      Ron Bergman - Dataproducts Corp.
+      Sylvan Butler - HP
+      Keith Carter - IBM Corporation
+      Jeff Copeland - QMS
+      Andy Davidson - Tektronix
+      Mabry Dozier - QMS
+      Lee Farrell - Canon Information Systems
+      Steve Gebert - IBM
+      Babek Jahromi - Microsoft
+      David Kellerman - Northlake Software
+      Rick Landau - Digital
+      Greg LeClair - Epson
+      Harry Lewis - IBM
+      Pete Loya - HP
+      Ray Lutz - Cognisys
+      Mike MacKay - Novell, Inc.
+      Daniel Manchala - Xerox
+      Carl-Uno Manros - Xerox
+      Jay Martin - Underscore
+      Larry Masinter - Xerox
+      Stan McConnell - Xerox
+      Ira McDonald - High North Inc.
+      Paul Moore - Microsoft
+      Tetsuya Morita - Ricoh
+      Yuichi Niwa - Ricoh
+      Pat Nogay - IBM
+
+
+
+deBry, et al.                 Experimental                    [Page 135]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+      Ron Norton - Printronics
+      Bob Pentecost - HP
+      Rob Rhoads - Intel
+      Xavier Riley - Xerox
+      David Roach - Unisys
+      Stuart Rowley - Kyocera
+      Hiroyuki Sato - Canon
+      Bob Setterbo - Adobe
+      Devon Taylor - Novell, Inc.
+      Mike Timperman - Lexmark
+      Randy Turner - Sharp
+      Atsushi Yuki - Kyocera
+      Rick Yardumian - Xerox
+      Lloyd Young - Lexmark
+      Bill Wagner - DPI
+      Jim Walker - DAZEL
+      Chris Wellens - Interworking Labs
+      Rob Whittle - Novell, Inc.
+      Don Wright - Lexmark
+      Peter Zehler - Xerox
+      Steve Zilles - Adobe
+
+11. Formats for IPP Registration Proposals
+
+   In order to propose an IPP extension for registration, the proposer
+   must submit an application to IANA by email to "iana@iana.org" or by
+   filling out the appropriate form on the IANA web pages
+   (http://www.iana.org).  This section specifies the required
+   information and the formats for proposing registrations of extensions
+   to IPP as provided in Section 6 for:
+
+     1. type2 'keyword' attribute values
+     2. type3 'keyword' attribute values
+     3. type2 'enum' attribute values
+     4. type3 'enum' attribute values
+     5. attributes
+     6. attribute syntaxes
+     7. operations
+     8. status codes
+
+11.1 Type2 keyword attribute values registration
+
+   Type of registration:  type2 keyword attribute value
+   Name of attribute to which this keyword specification is to be added:
+   Proposed keyword name of this keyword value:
+   Specification of this keyword value (follow the style of IPP Model
+   Section 4.1.2.3):
+   Name of proposer:
+
+
+
+deBry, et al.                 Experimental                    [Page 136]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type2 keywords, the Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.2 Type3 keyword attribute values registration
+
+   Type of registration:  type3 keyword attribute value
+   Name of attribute to which this keyword specification is to be added:
+   Proposed keyword name of this keyword value:
+   Specification of this keyword value (follow the style of IPP Model
+   Section 4.1.2.3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type3 keywords, the proposer will be the point of contact
+   for the approved registration specification, if any maintenance of
+   the registration specification is needed.
+
+11.3 Type2 enum attribute values registration
+
+   Type of registration:  type2 enum attribute value
+   Name of attribute to which this enum specification is to be added:
+   Keyword symbolic name of this enum value:
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+   Specification of this enum value (follow the style of IPP Model
+   Section 4.1.4):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type2 enums, the Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.4 Type3 enum attribute values registration
+
+   Type of registration:  type3 enum attribute value
+   Name of attribute to which this enum specification is to be added:
+   Keyword symbolic name of this enum value:
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+   Specification of this enum value (follow the style of IPP Model
+   Section 4.1.4):
+
+
+
+deBry, et al.                 Experimental                    [Page 137]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type3 enums, the proposer will be the point of contact for
+   the approved registration specification, if any maintenance of the
+   registration specification is needed.
+
+11.5 Attribute registration
+
+   Type of registration:  attribute
+   Proposed keyword name of this attribute:
+   Types of attribute (Operation, Job Template, Job Description,
+   Printer Description):
+   Operations to be used with if the attribute is an operation
+   attribute:
+   Object (Job, Printer, etc. if bound to an object):
+   Attribute syntax(es) (include 1setOf and range as in Section 4.2):
+   If attribute syntax is 'keyword' or 'enum', is it type2 or type3:
+   If this is a Printer attribute, MAY the value returned depend on
+   "document-format" (See Section 6.2):
+   If this is a Job Template attribute, how does its specification
+   depend on the value of the "multiple-document-handling" attribute:
+   Specification of this attribute (follow the style of IPP Model
+   Section 4.2):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For attributes, the IPP Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.6 Attribute Syntax registration
+
+   Type of registration:  attribute syntax
+   Proposed name of this attribute syntax:
+   Type of attribute syntax (integer, octetString, character-string,
+   see [RFC2565]):
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+   Specification of this attribute (follow the style of IPP Model
+   Section 4.1):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 138]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Note:  For attribute syntaxes, the IPP Designated Expert will be the
+   point of contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.7 Operation registration
+
+   Type of registration:  operation
+   Proposed name of this operation:
+   Numeric operation-id value (to be assigned by the IPP Designated
+   Expert in consultation with IANA):
+   Object Target (Job, Printer, etc. that operation is upon):
+   Specification of this attribute (follow the style of IPP Model
+   Section 3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For operations, the IPP Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.8 Attribute Group registration
+
+   Type of registration:  attribute group
+   Proposed name of this attribute group:
+   Numeric tag according to [RFC2565] (to be assigned by the IPP
+   Designated Expert in consultation with IANA):
+   Operation requests and group number for each operation in which the
+   attribute group occurs:
+   Operation responses and group number for each operation in which the
+   attribute group occurs:
+   Specification of this attribute group (follow the style of IPP Model
+   Section 3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For attribute groups, the IPP Designated Expert will be the
+   point of contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.9 Status code registration
+
+   Type of registration:  status code
+   Keyword symbolic name of this status code value:
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+   Operations that this status code may be used with:
+
+
+
+deBry, et al.                 Experimental                    [Page 139]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   Specification of this status code (follow the style of IPP Model
+   Section 14 APPENDIX B:  Status Codes and Suggested Status Code
+   Messages):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For status codes, the Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 140]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+12. APPENDIX A: Terminology
+
+   This specification uses the terminology defined in this section.
+
+12.1 Conformance Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHOULD", "SHOULD NOT",
+   "RECOMMENDED", "MAY", and  "OPTIONAL" in this document are to be
+   interpreted as described in RFC 2119 [RFC2119].
+
+12.1.1 NEED NOT
+
+   This term is not included in RFC 2119.  The verb "NEED NOT" indicates
+   an action that the subject of the sentence does not have to implement
+   in order to claim conformance to the standard.  The verb "NEED NOT"
+   is used instead of "MAY NOT" since "MAY NOT" sounds like a
+   prohibition.
+
+12.2 Model Terminology
+
+12.2.1 Keyword
+
+   Keywords are used within this document as identifiers of semantic
+   entities within the abstract model (see section 4.1.2.3).  Attribute
+   names, some attribute values, attribute syntaxes, and attribute group
+   names are represented as keywords.
+
+12.2.2 Attributes
+
+   An attribute is an item of information that is associated with an
+   instance of an IPP object.  An attribute consists of an attribute
+   name and one or more attribute values.  Each attribute has a specific
+   attribute syntax.  All object attributes are defined in section 4 and
+   all operation attributes are defined in section 3.
+
+   Job Template Attributes are described in section 4.2. The client
+   optionally supplies Job Template attributes in a create request
+   (operation requests that create Job objects).  The Printer object has
+   associated attributes which define supported and default values for
+   the Printer.
+
+12.2.2.1 Attribute Name
+
+   Each attribute is uniquely identified in this document by its
+   attribute name.  An attribute name is a keyword.  The keyword
+   attribute name is given in the section header describing that
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 141]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   attribute.  In running text in this document, attribute names are
+   indicated inside double quotation marks (") where the quotation marks
+   are not part of the keyword itself.
+
+12.2.2.2 Attribute Group Name
+
+   Related attributes are grouped into named groups.  The name of the
+   group is a keyword.  The group name may be used in place of naming
+   all the attributes in the group explicitly.  Attribute groups are
+   defined in section 3.
+
+12.2.2.3 Attribute Value
+
+   Each attribute has one or more values.  Attribute values are
+   represented in the syntax type specified for that attribute. In
+   running text in this document, attribute values are indicated inside
+   single quotation marks ('), whether their attribute syntax is
+   keyword, integer, text, etc.  where the quotation marks are not part
+   of the value itself.
+
+12.2.2.4 Attribute Syntax
+
+   Each attribute is defined using an explicit syntax type.  In this
+   document, each syntax type is defined as a keyword with specific
+   meaning.  The Encoding and Transport document [RFC2565] indicates the
+   actual "on-the-wire" encoding rules for each syntax type.  Attribute
+   syntax types are defined in section 4.1.
+
+12.2.3 Supports
+
+   By definition, a Printer object supports an attribute only if that
+   Printer object responds with the corresponding attribute populated
+   with some value(s) in a response to a query for that attribute.  A
+   Printer object supports an attribute value if the value is one of the
+   Printer object's "supported values" attributes.  The device behind a
+   Printer object may exhibit a behavior that corresponds to some IPP
+   attribute, but if the Printer object, when queried for that
+   attribute, doesn't respond with the attribute, then as far as IPP is
+   concerned, that implementation does not support that feature. If the
+   Printer object's "xxx-supported" attribute is not populated with a
+   particular value (even if that value is a legal value for that
+   attribute), then that Printer object does not support that particular
+   value.
+
+   A conforming implementation MUST support all REQUIRED attributes.
+   However, even for REQUIRED attributes, conformance to IPP does not
+   mandate that all implementations support all possible values
+   representing all possible job processing behaviors and features.  For
+
+
+
+deBry, et al.                 Experimental                    [Page 142]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   example, if a given instance of a Printer supports only certain
+   document formats, then that Printer responds with the "document-
+   format-supported" attribute populated with a set of values, possibly
+   only one, taken from the entire set of possible values defined for
+   that attribute. This limited set of values represents the Printer's
+   set of supported document formats.  Supporting an attribute and some
+   set of values for that attribute enables IPP end users to be aware of
+   and make use of those features associated with that attribute and
+   those values.  If an implementation chooses to not support an
+   attribute or some specific value, then IPP end users would have no
+   ability to make use of that feature within the context of IPP itself.
+   However, due to existing practice and legacy systems which are not
+   IPP aware, there might be some other mechanism outside the scope of
+   IPP to control or request the "unsupported" feature (such as embedded
+   instructions within the document data itself).
+
+   For example, consider the "finishings-supported" attribute.
+
+     1) If a Printer object is not physically capable of stapling, the
+        "finishings-supported" attribute MUST NOT be populated with the
+        value of 'staple'.
+     2) A Printer object is physically capable of stapling, however an
+        implementation chooses not to support stapling in the IPP
+        "finishings" attribute.  In this case, 'staple' MUST NOT be a
+        value in the "finishings-supported" Printer object attribute.
+        Without support for the value 'staple', an IPP end user would
+        have no means within the protocol itself to request that a Job
+        be stapled.  However, an existing document data formatter might
+        be able to request that the document be stapled directly with an
+        embedded instruction within the document data.  In this case,
+        the IPP implementation does not "support" stapling, however the
+        end user is still able to have some control over the stapling of
+        the completed job.
+     3) A Printer object is physically capable of stapling, and an
+        implementation chooses to support stapling in the IPP
+        "finishings" attribute. In this case, 'staple' MUST be a value
+        in the "finishings-supported" Printer object attribute. Doing
+        so, would enable end users to be aware of and make use of the
+        stapling feature using IPP attributes.
+
+   Even though support for Job Template attributes by a Printer object
+   is OPTIONAL, it is RECOMMENDED that if the device behind a Printer
+   object is capable of realizing any feature or function that
+   corresponds to an IPP attribute and some associated value, then that
+   implementation SHOULD support that IPP attribute and value.
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 143]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   The set of values in any of the supported value attributes is set
+   (populated) by some administrative process or automatic sensing
+   mechanism that is outside the scope of IPP.  For administrative
+   policy and control reasons, an administrator may choose to make only
+   a subset of possible values visible to the end user.  In this case,
+   the real output device behind the IPP Printer abstraction may be
+   capable of a certain feature, however an administrator is specifying
+   that access to that feature not be exposed to the end user through
+   the IPP protocol.  Also, since a Printer object may represent a
+   logical print device (not just a physical device) the actual process
+   for supporting a value is undefined and left up to the
+   implementation.  However, if a Printer object supports a value, some
+   manual human action may be needed to realize the semantic action
+   associated with the value, but no end user action is required.
+
+   For example, if one of the values in the "finishings-supported"
+   attribute is 'staple', the actual process might be an automatic
+   staple action by a physical device controlled by some command sent to
+   the device.  Or, the actual process of stapling might be a manual
+   action by an operator at an operator attended Printer object.
+
+   For another example of how supported attributes function, consider a
+   system administrator who desires to control all print jobs so that no
+   job sheets are printed in order to conserve paper.  To force no job
+   sheets, the system administrator sets the only supported value for
+   the "job-sheets-supported" attribute to 'none'.  In this case, if a
+   client requests anything except 'none', the create request is
+   rejected or the "job-sheets" value is ignored (depending on the value
+   of "ipp-attribute-fidelity").  To force the use of job start/end
+   sheets on all jobs, the administrator does not include the value '
+   none' in the "job-sheets-supported" attribute.  In this case, if a
+   client requests 'none', the create request is rejected or the "job-
+   sheets" value is ignored (again depending on the value of "ipp-
+   attribute-fidelity").
+
+12.2.4 print-stream page
+
+   A "print-stream page" is a page according to the definition of pages
+   in the language used to express the document data.
+
+12.2.5 impression
+
+   An "impression" is the image (possibly many print-stream pages in
+   different configurations) imposed onto a single media page.
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 144]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+13. APPENDIX B:  Status Codes and Suggested Status Code Messages
+
+   This section defines status code enum keywords and values that are
+   used to provide semantic information on the results of an operation
+   request.  Each operation response MUST include a status code.  The
+   response MAY also contain a status message that provides a short
+   textual description of the status.  The status code is intended for
+   use by automata, and the status message is intended for the human end
+   user.  Since the status message is an OPTIONAL component of the
+   operation response, an IPP application (i.e., a browser, GUI, print
+   driver or gateway) is NOT REQUIRED to examine or display the status
+   message, since it MAY not be returned to the application.
+
+   The prefix of the status keyword defines the class of response as
+   follows:
+
+     "informational" - Request received, continuing process
+     "successful" - The action was successfully received, understood,
+        and accepted
+     "redirection" - Further action must be taken in order to complete
+        the request
+     "client-error" - The request contains bad syntax or cannot be
+        fulfilled
+     "server-error" - The IPP object  failed to fulfill an apparently
+        valid request
+
+   As with type2 enums, IPP status codes are extensible.  IPP clients
+   are NOT REQUIRED to understand the meaning of all registered status
+   codes, though such understanding is obviously desirable.  However,
+   IPP clients MUST understand the class of any status code, as
+   indicated by the prefix, and treat any unrecognized response as being
+   equivalent to the first status code of that class, with the exception
+   that an unrecognized response MUST NOT be cached.  For example, if an
+   unrecognized status code of "client-error-xxx-yyy" is received by the
+   client, it can safely assume that there was something wrong with its
+   request and treat the response as if it had received a "client-
+   error-bad-request" status code.  In such cases, IPP applications
+   SHOULD present the OPTIONAL message (if present) to the end user
+   since the message is likely to contain human readable information
+   which will help to explain the unusual status.  The name of the enum
+   is the suggested status message for US English.
+
+   The status code values range from 0x0000 to 0x7FFF.  The value ranges
+   for each status code class are as follows:
+
+     "successful" - 0x0000 to 0x00FF
+     "informational" - 0x0100 to 0x01FF
+     "redirection" - 0x0200 to 0x02FF
+
+
+
+deBry, et al.                 Experimental                    [Page 145]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     "client-error" - 0x0400 to 0x04FF
+     "server-error" - 0x0500 to 0x05FF
+
+   The top half (128 values) of each range (0x0n40 to 0x0nFF, for n = 0
+   to 5) is reserved for private use within each status code class.
+   Values 0x0600 to 0x7FFF are reserved for future assignment and MUST
+   NOT be used.
+
+13.1 Status Codes
+
+   Each status code is described below. Section 13.1.5.9 contains a
+   table that indicates which status codes apply to which operations.
+   The Implementer's Guide [ipp-iig] describe the suggested steps for
+   processing IPP attributes for all operations, including returning
+   status codes.
+
+13.1.1 Informational
+
+   This class of status code indicates a provisional response and is to
+   be used for informational purposes only.
+
+   There are no status codes defined in IPP/1.0 for this class of status
+   code.
+
+13.1.2 Successful Status Codes
+
+   This class of status code indicates that the client's request was
+   successfully received, understood, and accepted.
+
+13.1.2.1 successful-ok (0x0000)
+
+   The request has succeeded and no request attributes were substituted
+   or ignored.  In the case of a response to a create request, the '
+   successful-ok' status code indicates that the request was
+   successfully received and validated, and that the Job object has been
+   created; it does not indicate that the job has been processed.  The
+   transition of the Job object into the 'completed' state is the only
+   indicator that the job has been printed.
+
+13.1.2.2 successful-ok-ignored-or-substituted-attributes (0x0001)
+
+   The request has succeeded, but some supplied (1) attributes were
+   ignored or (2) unsupported values were substituted with supported
+   values or were ignored in order to perform the operation without
+   rejecting it.  Unsupported attributes, attribute syntaxes, or values
+   MUST be returned in the Unsupported Attributes group of the response
+   for all operations.  There is an exception to this rule for the query
+   operations:  Get-Printer-Attributes, Get-Jobs, and Get-Job-Attributes
+
+
+
+deBry, et al.                 Experimental                    [Page 146]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   for the "requested-attributes" operation attribute only.  When the
+   supplied values of the "requested-attributes" operation attribute are
+   requesting attributes that are not supported, the IPP object MAY, but
+   is NOT REQUIRED to, return the "requested-attributes" attribute in
+   the Unsupported Attribute response group (with the unsupported values
+   only).  See section 3.2.1.2.
+
+13.1.2.3 successful-ok-conflicting-attributes (0x0002)
+
+   The request has succeeded, but some supplied attribute values
+   conflicted with the values of other supplied attributes.  These
+   conflicting values were either (1) substituted with (supported)
+   values or (2) the attributes were removed in order to process the job
+   without rejecting it.  Attributes or values which conflict with other
+   attributes and have been substituted or ignored MUST be returned in
+   the Unsupported Attributes group of the response for all operations
+   as supplied by the client.  See section 3.2.1.2.
+
+13.1.3 Redirection Status Codes
+
+   This class of status code indicates that further action needs to be
+   taken to fulfill the request.
+
+   There are no status codes defined in IPP/1.0 for this class of status
+   code.
+
+13.1.4 Client Error Status Codes
+
+   This class of status code is intended for cases in which the client
+   seems to have erred.  The IPP object SHOULD return a message
+   containing an explanation of the error situation and whether it is a
+   temporary or permanent condition.
+
+13.1.4.1 client-error-bad-request (0x0400)
+
+   The request could not be understood by the IPP object due to
+   malformed syntax (such as the value of a fixed length attribute whose
+   length does not match the prescribed length for that attribute - see
+   the Implementer's Guide [ipp-iig] ).  The IPP application SHOULD NOT
+   repeat the request without modifications.
+
+13.1.4.2 client-error-forbidden (0x0401)
+
+   The IPP object understood the request, but is refusing to fulfill it.
+   Additional authentication information or authorization credentials
+   will not help and the request SHOULD NOT be repeated.  This status
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 147]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   code is commonly used when the IPP object does not wish to reveal
+   exactly why the request has been refused or when no other response is
+   applicable.
+
+13.1.4.3 client-error-not-authenticated (0x0402)
+
+   The request requires user authentication.  The IPP client may repeat
+   the request with suitable authentication information. If the request
+   already included authentication information, then this status code
+   indicates that authorization has been refused for those credentials.
+   If this response contains the same challenge as the prior response,
+   and the user agent has already attempted authentication at least
+   once, then the response message may contain relevant diagnostic
+   information.  This status codes reveals more information than
+   "client-error-forbidden".
+
+13.1.4.4 client-error-not-authorized (0x0403)
+
+   The requester is not authorized to perform the request.  Additional
+   authentication information or authorization credentials will not help
+   and the request SHOULD NOT be repeated.  This status code is used
+   when the IPP object wishes to reveal that the authentication
+   information is understandable, however, the requester is explicitly
+   not authorized to perform the request.  This status codes reveals
+   more information than "client-error-forbidden" and "client-error-
+   not-authenticated".
+
+13.1.4.5 client-error-not-possible (0x0404)
+
+   This status code is used when the request is for something that can
+   not happen.  For example, there might be a request to cancel a job
+   that has already been canceled or aborted by the system.  The IPP
+   client SHOULD NOT repeat the request.
+
+13.1.4.6 client-error-timeout (0x0405)
+
+   The client did not produce a request within the time that the IPP
+   object was prepared to wait.  For example, a client issued a Create-
+   Job operation and then, after a long period of time, issued a Send-
+   Document operation and this error status code was returned in
+   response to the Send-Document request  (see section 3.3.1).  The IPP
+   object might have been forced to clean up resources that had been
+   held for the waiting additional Documents.  The IPP object was forced
+   to close the Job since the client took too long.  The client SHOULD
+   NOT repeat the request without modifications.
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 148]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+13.1.4.7 client-error-not-found (0x0406)
+
+   The IPP object has not found anything matching the request URI.  No
+   indication is given of whether the condition is temporary or
+   permanent.  For example, a client with an old reference to a Job (a
+   URI) tries to cancel the Job, however in the mean time the Job might
+   have been completed and all record of it at the Printer has been
+   deleted.  This status code, 'client-error-not-found' is returned
+   indicating that the referenced Job can not be found.  This error
+   status code is also used when a client supplies a URI as a reference
+   to the document data in either a Print-URI or Send-URI operation, but
+   the document can not be found.
+
+   In practice, an IPP application should avoid a not found situation by
+   first querying and presenting a list of valid Printer URIs and Job
+   URIs to the end-user.
+
+13.1.4.8 client-error-gone (0x0407)
+
+   The requested object is no longer available and no forwarding address
+   is known.  This condition should be considered permanent.  Clients
+   with link editing capabilities should delete references to the
+   request URI after user approval.  If the IPP object does not know or
+   has no facility to determine, whether or not the condition is
+   permanent, the status code "client-error-not-found" should be used
+   instead.
+
+   This response is primarily intended to assist the task of maintenance
+   by notifying the recipient that the resource is intentionally
+   unavailable and that the IPP object administrator desires that remote
+   links to that resource be removed. It is not necessary to mark all
+   permanently unavailable resources as "gone" or to keep the mark for
+   any length of time -- that is left to the discretion of the IPP
+   object administrator.
+
+13.1.4.9 client-error-request-entity-too-large (0x0408)
+
+   The IPP object is refusing to process a request because the request
+   entity is larger than the IPP object is willing or able to process.
+   An IPP Printer returns this status code when it limits the size of
+   print jobs and it receives a print job that exceeds that limit or
+   when the attributes are so many that their encoding causes the
+   request entity to exceed IPP object capacity.
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 149]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+13.1.4.10 client-error-request-value-too-long (0x0409)
+
+   The IPP object is refusing to service the request because one or more
+   of the client-supplied attributes has a variable length value that is
+   longer than the maximum length specified for that attribute.  The IPP
+   object might not have sufficient resources (memory, buffers, etc.) to
+   process (even temporarily), interpret, and/or ignore a value larger
+   than the maximum length.  Another use of this error code is when the
+   IPP object supports the processing of a large value that is less than
+   the maximum length, but during the processing of the request as a
+   whole, the object may pass the value onto some other system component
+   which is not able to accept the large value.  For more details, see
+   the Implementer's Guide [ipp-iig] .
+
+   Note:  For attribute values that are URIs, this rare condition is
+   only likely to occur when a client has improperly submitted a request
+   with long query information (e.g. an IPP application allows an end-
+   user to enter an invalid URI), when the client has descended into a
+   URI "black hole" of redirection (e.g., a redirected URI prefix that
+   points to a suffix of itself), or when the IPP object is under attack
+   by a client attempting to exploit security holes present in some IPP
+   objects using fixed-length buffers for reading or manipulating the
+   Request-URI.
+
+13.1.4.11 client-error-document-format-not-supported (0x040A)
+
+   The IPP object is refusing to service the request because the
+   document data is in a format, as specified in the "document-format"
+   operation attribute, that is not supported by the Printer object.
+   This error is returned independent of the client-supplied "ipp-
+   attribute-fidelity".  The Printer object MUST return this status
+   code, even if there are other attributes that are not supported as
+   well, since this error is a bigger problem than with Job Template
+   attributes.
+
+13.1.4.12 client-error-attributes-or-values-not-supported (0x040B)
+
+   In a create request, if the Printer object does not support one or
+   more attributes, attribute syntaxes, or attribute values supplied in
+   the request and the client supplied the "ipp-attributes-fidelity"
+   operation attribute with the 'true' value, the Printer object MUST
+   return this status code.  For example, if the request indicates '
+   iso-a4' media, but that media type is not supported by the Printer
+   object.  Or, if the client supplies an optional attribute and the
+   attribute itself is not even supported by the Printer.  If the "ipp-
+   attribute-fidelity" attribute is 'false', the Printer MUST ignore or
+   substitute values for unsupported attributes and values rather than
+   reject the request and return this status code.
+
+
+
+deBry, et al.                 Experimental                    [Page 150]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   For any operation where a client requests attributes (such as a Get-
+   Jobs, Get-Printer-Attributes, or Get-Job-Attributes operation), if
+   the IPP object does not support one or more of the requested
+   attributes, the IPP object simply ignores the unsupported requested
+   attributes and processes the request as if they had not been
+   supplied, rather than returning this status code.  In this case, the
+   IPP object MUST return the 'successful-ok-ignored-or-substituted-
+   attributes' status code and MAY return the unsupported attributes as
+   values of the "requested-attributes" in the Unsupported Attributes
+   Group (see section 13.1.2.2).
+
+13.1.4.13 client-error-uri-scheme-not-supported (0x040C)
+
+   The type of the client supplied URI in a Print-URI or a Send-URI
+   operation is not supported.
+
+13.1.4.14 client-error-charset-not-supported (0x040D)
+
+   For any operation, if the IPP Printer does not support the charset
+   supplied by the client in the "attributes-charset" operation
+   attribute, the Printer MUST reject the operation and return this
+   status and any 'text' or 'name' attributes using the 'utf-8' charset
+   (see Section 3.1.4.1).
+
+13.1.4.15 client-error-conflicting-attributes (0x040E)
+
+   The request is rejected because some attribute values conflicted with
+   the values of other attributes which this specification does not
+   permit to be substituted or ignored.
+
+13.1.5 Server Error Status Codes
+
+   This class of status codes indicates cases in which the IPP object is
+   aware that it has erred or is incapable of performing the request.
+   The IPP object SHOULD include a message containing an explanation of
+   the error situation, and whether it is a temporary or permanent
+   condition.
+
+13.1.5.1 server-error-internal-error (0x0500)
+
+   The IPP object encountered an unexpected condition that prevented it
+   from fulfilling the request.  This error status code differs from
+   "server-error-temporary-error" in that it implies a more permanent
+   type of internal error.  It also differs from "server-error-device-
+   error" in that it implies an unexpected condition (unlike a paper-jam
+   or out-of-toner problem which is undesirable but expected).  This
+   error status code indicates that probably some knowledgeable human
+   intervention is required.
+
+
+
+deBry, et al.                 Experimental                    [Page 151]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+13.1.5.2 server-error-operation-not-supported (0x0501)
+
+   The IPP object does not support the functionality required to fulfill
+   the request. This is the appropriate response when the IPP object
+   does not recognize an operation or is not capable of supporting it.
+
+13.1.5.3 server-error-service-unavailable (0x0502)
+
+   The IPP object is currently unable to handle the request due to a
+   temporary overloading or maintenance of the IPP object.  The
+   implication is that this is a temporary condition which will be
+   alleviated after some delay. If known, the length of the delay may be
+   indicated in the message.  If no delay is given, the IPP application
+   should handle the response as it would for a "server-error-
+   temporary-error" response.  If the condition is more permanent, the
+   error status codes "client-error-gone" or "client-error-not-found"
+   could be used.
+
+13.1.5.4 server-error-version-not-supported (0x0503)
+
+   The IPP object does not support, or refuses to support, the IPP
+   protocol version that was used in the request message.  The IPP
+   object is indicating that it is unable or unwilling to complete the
+   request using the same version as supplied in the request other than
+   with this error message. The response should contain a Message
+   describing why that version is not supported and what other versions
+   are supported by that IPP object.
+
+   A conforming IPP/1.0 client MUST specify the valid version ('1.0') on
+   each request.  A conforming IPP/1.0 object MUST NOT return this
+   status code to a conforming IPP/1.0 client.  An IPP object MUST
+   return this status code to a non-conforming IPP client.  The response
+   MUST identify in the "version-number" operation attribute the closest
+   version number that the IPP object does support.
+
+13.1.5.5 server-error-device-error (0x0504)
+
+   A printer error, such as a paper jam, occurs while the IPP object
+   processes a Print or Send operation.  The response contains the true
+   Job Status (the values of the "job-state" and "job-state-reasons"
+   attributes).  Additional information can be returned in the optional
+   "job-state-message" attribute value or in the OPTIONAL status message
+   that describes the error in more detail.  This error status code is
+   only returned in situations where the Printer is unable to accept the
+   create request because of such a device error.  For example, if the
+   Printer is unable to spool, and can only accept one job at a time,
+   the reason it might reject a create request is that the printer
+   currently has a paper jam.  In many cases however, where the Printer
+
+
+
+deBry, et al.                 Experimental                    [Page 152]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   object can accept the request even though the Printer has some error
+   condition, the 'successful-ok' status code will be returned.  In such
+   a case, the client would look at the returned Job Object Attributes
+   or later query the Printer to determine its state and state reasons.
+
+13.1.5.6 server-error-temporary-error (0x0505)
+
+   A temporary error such as a buffer full write error, a memory
+   overflow (i.e. the document data exceeds the memory of the Printer),
+   or a disk full condition, occurs while the IPP Printer processes an
+   operation.  The client MAY try the unmodified request again at some
+   later point in time with an expectation that the temporary internal
+   error condition may have been cleared.  Alternatively, as an
+   implementation option, a Printer object MAY delay the response until
+   the temporary condition is cleared so that no error is returned.
+
+13.1.5.7 server-error-not-accepting-jobs (0x0506)
+
+   A temporary error indicating that the Printer is not currently
+   accepting jobs, because the administrator has set the value of the
+   Printer's "printer-is-not-accepting-jobs" attribute to 'false' (by
+   means outside of IPP/1.0).
+
+13.1.5.8 server-error-busy (0x0507)
+
+   A temporary error indicating that the Printer is too busy processing
+   jobs and/or other requests. The client SHOULD try the unmodified
+   request again at some later point in time with an expectation that
+   the temporary busy condition will have been cleared.
+
+13.1.5.9 server-error-job-canceled (0x0508)
+
+   An error indicating that the job has been canceled by an operator or
+   the system while the client was transmitting the data to the IPP
+   Printer.  If a job-id and job-uri had been created, then they are
+   returned in the Print-Job, Send-Document, or Send-URI response as
+   usual; otherwise, no job-id and job-uri are returned in the response.
+
+13.2 Status Codes for IPP Operations
+
+   PJ = Print-Job, PU = Print-URI, CJ = Create-Job, SD = Send-Document
+   SU = Send-URI, V = Validate-Job, GA = Get-Job-Attributes and
+   Get-Printer-Attributes, GJ = Get-Jobs, C = Cancel-Job
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 153]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+                                                  IPP Operations
+   IPP Status Keyword                       PJ PU CJ SD SU V GA GJ C
+   ------------------                       -- -- -- -- -- - -- -- -
+   successful-ok                            x  x  x  x  x  x x  x  x
+   successful-ok-ignored-or-substituted-    x  x  x  x  x  x x  x  x
+        attributes
+   successful-ok-conflicting-attributes     x  x  x  x  x  x x  x  x
+   client-error-bad-request                 x  x  x  x  x  x x  x  x
+   client-error-forbidden                   x  x  x  x  x  x x  x  x
+   client-error-not-authenticated           x  x  x  x  x  x x  x  x
+   client-error-not-authorized              x  x  x  x  x  x x  x  x
+   client-error-not-possible                x  x  x  x  x  x x  x  x
+   client-error-timeout                           x  x
+   client-error-not-found                   x  x  x  x  x  x x  x  x
+   client-error-gone                        x  x  x  x  x  x x  x  x
+   client-error-request-entity-too-large    x  x  x  x  x  x x  x  x
+   client-error-request-value-too-long      x  x  x  x  x  x x  x  x
+   client-error-document-format-not-        x  x     x  x  x x
+        supported
+   client-error-attributes-or-values-not-   x  x  x  x  x  x x  x  x
+        supported
+   client-error-uri-scheme-not-supported       x        x
+   client-error-charset-not-supported       x  x  x  x  x  x x  x  x
+   client-error-conflicting-attributes      x  x  x  x  x  x x  x  x
+   server-error-internal-error              x  x  x  x  x  x x  x  x
+   server-error-operation-not-supported        x  x  x  x
+   server-error-service-unavailable         x  x  x  x  x  x x  x  x
+   server-error-version-not-supported       x  x  x  x  x  x x  x  x
+   server-error-device-error                x  x  x  x  x
+   server-error-temporary-error             x  x  x  x  x
+   server-error-not-accepting-jobs          x  x  x        x
+   server-error-busy                        x  x  x  x  x  x x  x  x
+   server-error-job-canceled                x        x
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 154]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+14. APPENDIX C:  "media" keyword values
+
+   Standard keyword values are taken from several sources.
+
+   Standard values are defined (taken from DPA[ISO10175] and the Printer
+   MIB[RFC1759]):
+
+     'default': The default medium for the output device
+     'iso-a4-white': Specifies the ISO A4 white medium
+     'iso-a4-colored': Specifies the ISO A4 colored medium
+     'iso-a4-transparent' Specifies the ISO A4 transparent medium
+     'iso-a3-white': Specifies the ISO A3 white medium
+     'iso-a3-colored': Specifies the ISO A3 colored medium
+     'iso-a5-white': Specifies the ISO A5 white medium
+     'iso-a5-colored': Specifies the ISO A5 colored medium
+     'iso-b4-white': Specifies the ISO B4 white medium
+     'iso-b4-colored': Specifies the ISO B4 colored medium
+     'iso-b5-white': Specifies the ISO B5 white medium
+     'iso-b5-colored': Specifies the ISO B5 colored medium
+     'jis-b4-white': Specifies the JIS B4 white medium
+     'jis-b4-colored': Specifies the JIS B4 colored medium
+     'jis-b5-white': Specifies the JIS B5 white medium
+     'jis-b5-colored': Specifies the JIS B5 colored medium
+
+   The following standard values are defined for North American media:
+
+     'na-letter-white': Specifies the North American letter white medium
+     'na-letter-colored': Specifies the North American letter colored
+        medium
+     'na-letter-transparent': Specifies the North American letter
+        transparent medium
+     'na-legal-white': Specifies the North American legal white medium
+     'na-legal-colored': Specifies the North American legal colored
+        medium
+
+   The following standard values are defined for envelopes:
+
+     'iso-b4-envelope': Specifies the ISO B4 envelope medium
+     'iso-b5-envelope': Specifies the ISO B5 envelope medium
+     'iso-c3-envelope': Specifies the ISO C3 envelope medium
+     'iso-c4-envelope': Specifies the ISO C4 envelope medium
+     'iso-c5-envelope': Specifies the ISO C5 envelope medium
+     'iso-c6-envelope': Specifies the ISO C6 envelope medium
+     'iso-designated-long-envelope': Specifies the ISO Designated Long
+        envelope medium
+     'na-10x13-envelope': Specifies the North American 10x13 envelope
+        medium
+
+
+
+
+deBry, et al.                 Experimental                    [Page 155]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'na-9x12-envelope': Specifies the North American 9x12 envelope
+        medium
+     'monarch-envelope': Specifies the Monarch envelope
+     'na-number-10-envelope': Specifies the North American number 10
+        business envelope medium
+     'na-7x9-envelope': Specifies the North American 7x9 inch envelope
+     'na-9x11-envelope': Specifies the North American 9x11 inch envelope
+     'na-10x14-envelope': Specifies the North American 10x14 inch
+        envelope
+     'na-number-9-envelope': Specifies the North American number 9
+        business envelope
+     'na-6x9-envelope': Specifies the North American 6x9 inch envelope
+     'na-10x15-envelope': Specifies the North American 10x15 inch
+        envelope
+
+   The following standard values are defined for the less commonly used
+   media (white-only):
+
+     'executive-white': Specifies the white executive medium
+     'folio-white': Specifies the folio white medium
+     'invoice-white': Specifies the white invoice medium
+     'ledger-white': Specifies the white ledger medium
+     'quarto-white': Specified the white quarto medium
+     'iso-a0-white': Specifies the ISO A0 white medium
+     'iso-a1-white': Specifies the ISO A1 white medium
+     'iso-a2-white': Specifies the ISO A2 white medium
+     'iso-a6-white': Specifies the ISO A6 white medium
+     'iso-a7-white': Specifies the ISO A7 white medium
+     'iso-a8-white': Specifies the ISO A8 white medium
+     'iso-a9-white': Specifies the ISO A9 white medium
+     'iso-10-white': Specifies the ISO A10 white medium
+     'iso-b0-white': Specifies the ISO B0 white medium
+     'iso-b1-white': Specifies the ISO B1 white medium
+     'iso-b2-white': Specifies the ISO B2 white medium
+     'iso-b3-white': Specifies the ISO B3 white medium
+     'iso-b6-white': Specifies the ISO B6 white medium
+     'iso-b7-white': Specifies the ISO B7 white medium
+     'iso-b8-white': Specifies the ISO B8 white medium
+     'iso-b9-white': Specifies the ISO B9 white medium
+     'iso-b10-white': Specifies the ISO B10 white medium
+     'jis-b0-white': Specifies the JIS B0 white medium
+     'jis-b1-white': Specifies the JIS B1 white medium
+     'jis-b2-white': Specifies the JIS B2 white medium
+     'jis-b3-white': Specifies the JIS B3 white medium
+     'jis-b6-white': Specifies the JIS B6 white medium
+     'jis-b7-white': Specifies the JIS B7 white medium
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 156]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'jis-b8-white': Specifies the JIS B8 white medium
+     'jis-b9-white': Specifies the JIS B9 white medium
+     'jis-b10-white': Specifies the JIS B10 white medium
+
+
+   The following standard values are defined for engineering media:
+
+     'a': Specifies the engineering A size medium
+     'b': Specifies the engineering B size medium
+     'c': Specifies the engineering C size medium
+     'd': Specifies the engineering D size medium
+     'e': Specifies the engineering E size medium
+
+
+   The following standard values are defined for input-trays (from ISO
+   DPA and the Printer MIB):
+
+     'top': The top input tray in the printer.
+     'middle': The middle input tray in the printer.
+     'bottom': The bottom input tray in the printer.
+     'envelope': The envelope input tray in the printer.
+     'manual': The manual feed input tray in the printer.
+     'large-capacity': The large capacity input tray in the printer.
+     'main': The main input tray
+     'side': The side input tray
+
+
+   The following standard values are defined for media sizes (from ISO
+   DPA):
+
+     'iso-a0': Specifies the ISO A0 size: 841 mm by 1189 mm as defined
+        in ISO 216
+     'iso-a1': Specifies the ISO A1 size: 594 mm by 841 mm as defined in
+        ISO 216
+     'iso-a2': Specifies the ISO A2 size: 420 mm by 594 mm as defined in
+        ISO 216
+     'iso-a3': Specifies the ISO A3 size: 297 mm by 420 mm as defined in
+        ISO 216
+     'iso-a4': Specifies the ISO A4 size: 210 mm by 297 mm as defined in
+        ISO 216
+     'iso-a5': Specifies the ISO A5 size: 148 mm by 210 mm as defined in
+        ISO 216
+     'iso-a6': Specifies the ISO A6 size: 105 mm by 148 mm as defined in
+        ISO 216
+     'iso-a7': Specifies the ISO A7 size: 74 mm by 105 mm as defined in
+        ISO 216
+     'iso-a8': Specifies the ISO A8 size: 52 mm by 74 mm as defined in
+        ISO 216
+
+
+
+deBry, et al.                 Experimental                    [Page 157]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'iso-a9': Specifies the ISO A9 size: 37 mm by 52 mm as defined in
+        ISO 216
+     'iso-a10': Specifies the ISO A10 size: 26 mm by 37 mm as defined in
+        ISO 216
+     'iso-b0': Specifies the ISO B0 size: 1000 mm by 1414 mm as defined
+        in ISO 216
+     'iso-b1': Specifies the ISO B1 size: 707 mm by 1000 mm as defined
+        in ISO 216
+     'iso-b2': Specifies the ISO B2 size: 500 mm by 707 mm as defined in
+        ISO 216
+     'iso-b3': Specifies the ISO B3 size: 353 mm by 500 mm as defined in
+        ISO 216
+     'iso-b4': Specifies the ISO B4 size: 250 mm by 353 mm as defined in
+        ISO 216
+     'iso-b5': Specifies the ISO B5 size: 176 mm by 250 mm as defined in
+        ISO 216
+     'iso-b6': Specifies the ISO B6 size: 125 mm by 176 mm as defined in
+        ISO 216
+     'iso-b7': Specifies the ISO B7 size: 88 mm by 125 mm as defined in
+        ISO 216
+     'iso-b8': Specifies the ISO B8 size: 62 mm by 88 mm as defined in
+        ISO 216
+     'iso-b9': Specifies the ISO B9 size: 44 mm by 62 mm as defined in
+        ISO 216
+     'iso-b10': Specifies the ISO B10 size: 31 mm by 44 mm as defined in
+        ISO 216
+     'na-letter': Specifies the North American letter size: 8.5 inches by
+        11 inches
+     'na-legal': Specifies the North American legal size: 8.5 inches by
+        14 inches
+     'executive': Specifies the executive size (7.25 X 10.5 in)
+     'folio': Specifies the folio size (8.5 X 13 in)
+     'invoice': Specifies the invoice size (5.5 X 8.5 in)
+     'ledger': Specifies the ledger size (11 X 17 in)
+     'quarto': Specifies the quarto size (8.5 X 10.83 in)
+     'iso-c3': Specifies the ISO C3 size: 324 mm by 458 mm as defined in
+        ISO 269
+     'iso-c4': Specifies the ISO C4 size: 229 mm by 324 mm as defined in
+        ISO 269
+     'iso-c5': Specifies the ISO C5 size: 162 mm by 229 mm as defined in
+        ISO 269
+     'iso-c6': Specifies the ISO C6 size: 114 mm by 162 mm as defined in
+        ISO 269
+     'iso-designated-long': Specifies the ISO Designated Long size: 110
+        mm by 220 mm as defined in ISO 269
+     'na-10x13-envelope': Specifies the North American 10x13 size: 10
+        inches by 13 inches
+
+
+
+
+deBry, et al.                 Experimental                    [Page 158]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     'na-9x12-envelope': Specifies the North American 9x12 size: 9
+        inches by 12 inches
+     'na-number-10-envelope': Specifies the North American number 10
+        business envelope size: 4.125 inches by 9.5 inches
+     'na-7x9-envelope': Specifies the North American 7x9 inch envelope
+        size
+     'na-9x11-envelope': Specifies the North American 9x11 inch envelope
+        size
+     'na-10x14-envelope': Specifies the North American 10x14 inch
+        envelope size
+     'na-number-9-envelope': Specifies the North American number 9
+        business envelope size
+     'na-6x9-envelope': Specifies the North American 6x9 envelope size
+     'na-10x15-envelope': Specifies the North American 10x15 envelope
+        size
+     'monarch-envelope': Specifies the Monarch envelope size (3.87 x 7.5
+        in)
+     'jis-b0': Specifies the JIS B0 size: 1030mm x 1456mm
+     'jis-b1': Specifies the JIS B1 size: 728mm x 1030mm
+     'jis-b2': Specifies the JIS B2 size: 515mm x 728mm
+     'jis-b3': Specifies the JIS B3 size: 364mm x 515mm
+     'jis-b4': Specifies the JIS B4 size: 257mm x 364mm
+     'jis-b5': Specifies the JIS B5 size: 182mm x 257mm
+     'jis-b6': Specifies the JIS B6 size: 128mm x 182mm
+     'jis-b7': Specifies the JIS B7 size: 91mm x 128mm
+     'jis-b8': Specifies the JIS B8 size: 64mm x 91mm
+     'jis-b9': Specifies the JIS B9 size: 45mm x 64mm
+     'jis-b10': Specifies the JIS B10 size: 32mm x 45mm
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 159]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+15. APPENDIX D: Processing IPP Attributes
+
+   When submitting a print job to a Printer object, the IPP model allows
+   a client to supply operation and Job Template attributes along with
+   the document data.  These Job Template attributes in the create
+   request affect the rendering, production and finishing of the
+   documents in the job.  Similar types of instructions may also be
+   contained in the document to be printed, that is, embedded within the
+   print data itself.  In addition, the Printer has a set of attributes
+   that describe what rendering and finishing options which are
+   supported by that Printer.  This model, which allows for flexibility
+   and power, also introduces the potential that at job submission time,
+   these client-supplied attributes may conflict with either:
+
+     - what the implementation is capable of realizing (i.e., what the
+       Printer supports), as well as
+     - the instructions embedded within the print data itself.
+
+   The following sections describe how these two types of conflicts are
+   handled in the IPP model.
+
+15.1 Fidelity
+
+   If there is a conflict between what the client requests and what a
+   Printer object supports, the client may request one of two possible
+   conflict handling mechanisms:
+
+     1) either reject the job since the job can not be processed exactly
+        as specified, or
+     2) allow the Printer to make any changes necessary to proceed with
+        processing the Job the best it can.
+
+   In the first case the client is indicating to the Printer object:
+   "Print the job exactly as specified with no exceptions, and if that
+   can't be done, don't even bother printing the job at all." In the
+   second case, the client is indicating to the Printer object: "It is
+   more important to make sure the job is printed rather than be
+   processed exactly as specified; just make sure the job is printed
+   even if client supplied attributes need to be changed or ignored."
+
+   The IPP model accounts for this situation by introducing an "ipp-
+   attribute-fidelity" attribute.
+
+   In a create request, "ipp-attribute-fidelity" is a boolean operation
+   attribute that is OPTIONALLY supplied by the client.  The value '
+   true' indicates that total fidelity to client supplied Job Template
+   attributes and values is required.  The client is requesting that the
+   Job be printed exactly as specified, and if that is not possible then
+
+
+
+deBry, et al.                 Experimental                    [Page 160]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   the job MUST be rejected rather than processed incorrectly.  The
+   value 'false' indicates that a reasonable attempt to print the Job is
+   acceptable.  If a Printer does not support some of the client
+   supplied Job Template attributes or values, the Printer MUST ignore
+   them or substitute any supported value for unsupported values,
+   respectively.  The Printer may choose to substitute the default value
+   associated with that attribute, or use some other supported value
+   that is similar to the unsupported requested value.  For example, if
+   a client supplies a "media" value of 'na-letter', the Printer may
+   choose to substitute 'iso-a4' rather than a default value of '
+   envelope'. If the client does not supply the "ipp-attribute-fidelity"
+   attribute, the Printer assumes a value of 'false'.
+
+   Each Printer implementation MUST support both types of "fidelity"
+   printing (that is whether the client supplies a value of 'true' or '
+   false'):
+
+     - If the client supplies 'false' or does not supply the attribute,
+       the Printer object MUST always accept the request by ignoring
+       unsupported Job Template attributes and by substituting
+       unsupported values of supported Job Template attributes with
+       supported values.
+     - If the client supplies 'true', the Printer object MUST reject the
+       request if the client supplies unsupported Job Template
+       attributes.
+
+   Since a client can always query a Printer to find out exactly what is
+   and is not supported, "ipp-attribute-fidelity" set to 'false' is
+   useful when:
+
+     1) The End-User uses a command line interface to request attributes
+        that might not be supported.
+     2) In a GUI context, if the End User expects the job might be moved
+        to another printer and prefers a sub-optimal result to nothing
+        at all.
+     3) The End User just wants something reasonable in lieu of nothing
+        at all.
+
+15.2 Page Description Language (PDL) Override
+
+   If there is a conflict between the value of an IPP Job Template
+   attribute and a corresponding instruction in the document data, the
+   value of the IPP attribute SHOULD take precedence over the document
+   instruction.  Consider the case where a previously formatted file of
+   document data is sent to an IPP Printer.  In this case, if the client
+   supplies any attributes at job submission time, the client desires
+   that those attributes override the embedded instructions.  Consider
+   the case were a previously formatted document has embedded in it
+
+
+
+deBry, et al.                 Experimental                    [Page 161]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   commands to load 'iso-a4' media.  However, the document is passed to
+   an end user that only has access to a printer with 'na-letter' media
+   loaded.  That end user most likely wants to submit that document to
+   an IPP Printer with the "media" Job Template attribute set to 'na-
+   letter'.  The job submission attribute should take precedence over
+   the embedded PDL instruction.  However, until companies that supply
+   document data interpreters allow a way for external IPP attributes to
+   take precedence over embedded job production instructions, a Printer
+   might not be able to support the semantics that IPP attributes
+   override the embedded instructions.
+
+   The IPP model accounts for this situation by introducing a "pdl-
+   override-supported" attribute that describes the Printer objects
+   capabilities to override instructions embedded in the PDL data
+   stream.  The value of the "pdl-override-supported" attribute is
+   configured by means outside IPP/1.0.
+
+   This REQUIRED Printer attribute takes on the following values:
+
+     - 'attempted': This value indicates that the Printer object
+       attempts to make the IPP attribute values take precedence over
+       embedded instructions in the document data, however there is no
+       guarantee.
+     - 'not-attempted': This value indicates that the Printer object
+       makes no attempt to make the IPP attribute values take precedence
+       over embedded instructions in the document data.
+
+   At job processing time, an implementation that supports the value of
+   'attempted' might do one of several different actions:
+
+     1) Generate an output device specific command sequence to realize
+        the feature represented by the IPP attribute value.
+     2) Parse the document data itself and replace the conflicting
+        embedded instruction with a new embedded instruction that
+        matches the intent of the IPP attribute value.
+     3) Indicate to the Printer that external supplied attributes take
+        precedence over embedded instructions and then pass the external
+        IPP attribute values to the document data interpreter.
+     4) Anything else that allows for the semantics that IPP attributes
+        override embedded document data instructions.
+
+   Since 'attempted' does not offer any type of guarantee, even though a
+   given Printer object might not do a very "good" job of attempting to
+   ensure that IPP attributes take a higher precedence over instructions
+   embedded in the document data, it would still be a conforming
+   implementation.
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 162]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   At job processing time, an implementation that supports the value of
+   'not-attempted' might do one of the following actions:
+
+     1) Simply pre-pend the document data with the PDL instruction that
+        corresponds to the client-supplied PDL attribute, such that if
+        the document data also has the same PDL instruction, it will
+        override what the Printer object pre-pended.  In other words,
+        this implementation is using the same implementation semantics
+        for the client-supplied IPP attributes as for the Printer object
+        defaults.
+     2) Parse the document data and replace the conflicting embedded
+        instruction with a new embedded instruction that approximates,
+        but does not match, the semantic intent of the IPP attribute
+        value.
+
+   Note:  The "ipp-attribute-fidelity" attribute applies to the
+   Printer's ability to either accept or reject other unsupported Job
+   Template attributes.  In other words, if "ipp-attribute-fidelity" is
+   set to 'true', a Job is accepted if and only if the client supplied
+   Job Template attributes and values are supported by the Printer.
+   Whether these attributes actually affect the processing of the Job
+   when the document data contains embedded instructions depends on the
+   ability of the Printer to override the instructions embedded in the
+   document data with the semantics of the IPP attributes.  If the
+   document data attributes can be overridden ("pdl-override-supported"
+   set to 'attempted'), the Printer makes an attempt to use the IPP
+   attributes when processing the Job. If the document data attributes
+   can not be overridden ("pdl-override-supported" set to 'not-
+   attempted'), the Printer makes no attempt to override the embedded
+   document data instructions with the IPP attributes when processing
+   the Job, and hence, the IPP attributes may fail to affect the Job
+   processing and output when the corresponding instruction is embedded
+   in the document data.
+
+15.3 Using Job Template Attributes During Document Processing.
+
+   The Printer object uses some of the Job object's Job Template
+   attributes during the processing of the document data associated with
+   that job.  These include, but are not limited to, "orientation",
+   "number-up", "sides", "media", and "copies".  The processing of each
+   document in a Job Object MUST follow the steps below. These steps are
+   intended only to identify when and how attributes are to be used in
+   processing document data and any alternative steps that accomplishes
+   the same effect can be used to implement this specification.
+
+     1. Using the client supplied "document-format" attribute or some
+        form of document format detection algorithm (if the value of
+        "document- format" is not specific enough), determine whether or
+
+
+
+deBry, et al.                 Experimental                    [Page 163]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+        not the document data has already been formatted for printing.
+        If the document data has been formatted, then go to step 2.
+        Otherwise, the document data MUST be formatted. The formatting
+        detection algorithm is implementation defined and is not
+        specified by this specification. The formatting of the document
+        data uses the "orientation-requested" attribute to determine how
+        the formatted print data should be placed on a print-stream
+        page, see section 4.2.10 for the details.
+
+     2. The document data is in the form of a print-stream in a known
+        media type. The "page-ranges" attribute is used to select, as
+        specified in section 4.2.7, a sub-sequence of the pages in the
+        print-stream that are to be processed and images.
+
+     3. The input to this step is a sequence of print-stream pages. This
+        step is controlled by the "number-up" attribute. If the value of
+        "number-up" is N, then during the processing of the print-stream
+        pages, each N print-stream pages are positioned, as specified in
+        section 4.2.9, to create a single impression. If a given
+        document does not have N more print-stream pages, then the
+        completion of the impression is controlled by the "multiple-
+        document-handling" attribute as described in section 4.2.4; when
+        the value of this attribute is 'single-document' or 'single-
+        document-new-sheet', the print-stream pages of document data
+        from subsequent documents is used to complete the impression.
+
+        The size(scaling), position(translation) and rotation of the
+        print-stream pages on the impression is implementation defined.
+        Note that during this process the print-stream pages may be
+        rendered to a form suitable for placing on the impression; this
+        rendering is controlled by the values of the "printer-
+        resolution" and "print- quality" attributes as described in
+        sections 4.2.12 and 4.2.13. In the case N=1, the impression is
+        nearly the same as the print-stream page; the differences would
+        only be in the size, position and rotation of the print-stream
+        page and/or any decoration, such as a frame to the page, that is
+        added by the implementation.
+
+     4. The collection of impressions is placed, in sequence, onto sides
+        of the media sheets. This placement is controlled by the "sides"
+        attribute and the orientation of the print-stream page, as
+        described in section 4.2.8. The orientation of the print-stream
+        pages affects the orientation of the impression; for example, if
+        "number-up" equals 2, then, typically, two portrait print-stream
+        pages become one landscape impression. Note that the placement
+        of impressions onto media sheets is also controlled by the
+        "multiple-document-handling" attribute as described in section
+        4.2.4.
+
+
+
+deBry, et al.                 Experimental                    [Page 164]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+     5. The "copies" and "multiple-document-handling" attributes are
+        used to determine how many copies of each media instance are
+        created and in what order. See sections 4.2.5 and 4.2.4 for the
+        details.
+
+     6. When the correct number of copies are created, the media
+        instances are finished according to the values of the
+        "finishings" attribute as described in 4.2.6. Note that
+        sometimes finishing operations may require manual intervention
+        to perform the finishing operations on the copies, especially
+        uncollated copies. This specification allows any or all of the
+        processing steps to be performed automatically or manually at
+        the discretion of the Printer object.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 165]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+16. APPENDIX E: Generic Directory Schema
+
+   This section defines a generic schema for an entry in a directory
+   service.  A directory service is a means by which service users can
+   locate service providers.  In IPP environments, this means that IPP
+   Printers can be registered (either automatically or with the help of
+   an administrator) as entries of type printer in the directory using
+   an implementation specific mechanism such as entry attributes, entry
+   type fields, specific branches, etc.  IPP clients can search or
+   browse for entries of type printer.  Clients use the directory
+   service to find entries based on naming, organizational contexts, or
+   filtered searches on attribute values of entries.  For example, a
+   client can find all printers in the "Local Department" context.
+   Authentication and authorization are also often part of a directory
+   service so that an administrator can place limits on end users so
+   that they are only allowed to find entries to which they have certain
+   access rights.  IPP itself does not require any specific directory
+   service protocol or provider.
+
+   Note: Some directory implementations allow for the notion of
+   "aliasing".  That is, one directory entry object can appear as
+   multiple directory entry object with different names for each object.
+   In each case, each alias refers to the same directory entry object
+   which refers to a single IPP Printer object.
+
+   The generic schema is a subset of IPP Printer Job Template and
+   Printer Description attributes (sections 4.2 and 4.4).  These
+   attributes are identified as either RECOMMENDED or OPTIONAL for the
+   directory entry itself.  This conformance labeling is NOT the same
+   conformance labeling applied to the attributes of IPP Printers
+   objects.  The conformance labeling in this Appendix is intended to
+   apply to directory templates and to IPP Printer implementations that
+   subscribe by adding one or more entries to a directory.  RECOMMENDED
+   attributes SHOULD be associated with each directory entry.  OPTIONAL
+   attributes MAY be associated with the directory entry (if known or
+   supported).  In addition, all directory entry attributes SHOULD
+   reflect the current attribute values for the corresponding Printer
+   object.
+
+   The names of attributes in directory schema and entries SHOULD be the
+   same as the IPP Printer attribute names as shown.
+
+   In order to bridge between the directory service and the IPP Printer
+   object, one of the RECOMMENDED directory entry attributes is the
+   Printer object's "printer-uri-supported" attribute.  The IPP client
+   queries the "printer-uri-supported" attribute in the directory entry
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 166]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   and then addresses the IPP Printer object using one of its URIs.  The
+   "uri-security-supported" attribute identifies the protocol (if any)
+   used to secure a channel.
+
+   The following attributes define the generic schema for directory
+   entries of type PRINTER:
+
+     printer-uri-supported           RECOMMENDED    Section 4.4.1
+     uri-security-supported          RECOMMENDED    Section 4.4.2
+     printer-name                    RECOMMENDED    Section 4.4.3
+     printer-location                RECOMMENDED    Section 4.4.4
+     printer-info                    OPTIONAL       Section 4.4.5
+     printer-more-info               OPTIONAL       Section 4.4.6
+     printer-make-and-model          RECOMMENDED    Section 4.4.8
+     charset-supported               OPTIONAL       Section 4.4.15
+     generated-natural-language-
+        supported                    OPTIONAL       Section 4.4.17
+     document-format-supported       RECOMMENDED    Section 4.4.19
+     color-supported                 RECOMMENDED    Section 4.4.23
+     finishings-supported            OPTIONAL       Section 4.2.6
+     number-up-supported             OPTIONAL       Section 4.2.7
+     sides-supported                 RECOMMENDED    Section 4.2.8
+     media-supported                 RECOMMENDED    Section 4.2.11
+     printer-resolution-supported    OPTIONAL       Section 4.2.12
+     print-quality-supported         OPTIONAL       Section 4.2.13
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 167]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+17. APPENDIX F:  Change History for the IPP Model and Semantics document
+
+   The following substantive changes and major clarifications have been
+   made to this document from the June 30, 1998 version based on the
+   interoperability testing that took place September 23-25 1998 and
+   subsequent mailing list and meeting discussions.  They are listed in
+   the order of occurrence in the document.  These changes are the ones
+   that might affect implementations.  Clarifications that are unlikely
+   to affect implementations are not listed.  The issue numbers refer to
+   the IPP Issues List which is available in the following directory:
+
+        ftp://ftp.pwg.org/pub/pwg/ipp/approved-clarifications/
+
+   Section   Description
+
+   global    Replaced TLS references with SSL3 references as agreed with
+             our Area Director on 11/12/1998.
+
+   global    Removed the indications that some of these IPP documents
+             are informational, since the intent is now to publish all
+             IPP/1.0 documents as informational as agreed with our Area
+             Director on 11/12/1998.
+
+   3.1.2,    Clarify that the IPP object SHOULD NOT validate the
+   16.3.3    range of the request-id being 1 to 2**31-1, but accepts
+   [now ipp- and returns any value.  Clients MUST still keep in the
+   iig]      range 1 to 2**31 though.  If the request is terminated
+             before the complete "request-id" is received, the IPP
+             object rejects the request and returns a response with a
+             "request-id" of 0  (Issue 1.36).
+
+   3.1.4.1,  Clarified that when a client submits a request in a
+   13.1.4.14 charset that is not supported, the IPP object SHOULD
+             return any 'text' or 'name' attributes in the 'utf-8'
+             charset, if it returns any, since clients and IPP
+             objects MUST support 'utf-8'.  (Issue 1.19)
+
+   3.1.4.1   Clarified Section 3.1.4.1 Request Operation Attributes
+             that a client MAY use the attribute level natural
+             language override (text/nameWithLanguage) redundantly in
+             a request.  (Issue 1.46)
+
+   3.1.4.2   Clarified Section 3.1.4.2 Response Operation Attributes
+             that an IPP object MAY use the attribute level natural
+             language override (text/nameWithLanguage) redundantly in
+             a response.  (Issue 1.46)
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 168]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   3.1.6     Clarified section 3.1.6:  If the Printer object supports
+             the "status-message" operation attribute, it NEED NOT
+             return a status message for the following error status
+             codes:  'client-error-bad-request', 'client-error-
+             charset-not-supported', 'server-error-internal-error',
+             'server-error-operation-not-supported', and 'server-
+             error-version-not-supported'.
+
+   3.2.1.1   Clarified that if a client is not supplying any Job
+             Template attributes in a request, the client SHOULD omit
+             Group 2 rather than sending an empty group.  However, a
+             Printer object MUST be able to accept an empty group.
+             This makes [RFC2566] agree with [RFC2565].  (Issue 1.16)
+
+   3.2.1.2,  Clarified that if an IPP object is not returning any
+   3.2.5.2,  Unsupported Attributes in a response, the IPP object
+   3.2.6.2,  SHOULD omit Group 2 rather than sending an empty group.
+   3.3.1.2,  However, a client MUST be able to accept an empty group.
+   3.3.3.2,  This makes [RFC2566] agree with [RFC2565].  (Issue 1.17)
+   3.3.4.2
+
+   3.2.1.2,  Clarified that an IPP object MUST treat an unsupported
+   13.1.2.2, attribute syntax supplied in a request in the same way
+   13.1.4.12 as an unsupported value.  The IPP object MUST return the
+             attribute, the attribute syntax, and the value in the
+             Unsupported Attributes group.  (Issue 1.26)
+
+   3.2.5.2,  Clarified for Get-Printer-Attributes, Get-Jobs, and Get-
+   3.2.6.2,  Job-Attributes that an IPP object MUST return
+   3.3.4.2,  'successful-ok-ignored-or-substituted-attributes' (0x1),
+
+   13.1.2.1, rather than 'successful-ok' (0x0), when a client
+   13.1.2.2, supplies unsupported attributes as values of the
+   13.1.4.12 'requested-attributes' operation attribute.  (Issue
+             1.24)
+             Also clarified that the response NEED NOT contain the
+             "requested-attributes" operation attribute with any
+             supplied values (attribute keywords) that were requested
+             by the client but are not supported by the IPP object.
+             (Issue 1.18)
+
+   3.2.6.2   Deleted the job-level natural language override (NLO)
+   4.1.1.2   from Section 3.2.6.2 Get-Jobs Response so that all
+   4.3.24    operation responses are the same with respect to NLO.
+             (Issue 1.47)
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 169]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   3.3.1     Clarified that an IPP Printer that supports the Create-
+             Job operation MUST handle the situation when a client
+             does not supply Send-Document or Send-URI operations
+             within a one- to four-minute time period.  Also
+             clarified that a client MUST send documents in a multi-
+             document job without undue or unbounded delay.  (Issue
+             1.28)
+
+   3.3.3     Clarified that the IPP object MUST reject a Cancel-Job
+             request if the job is in 'completed', 'canceled', or
+             'aborted' job states.  (Issue 1.12)
+
+   4.1.2.3   Added this new sub-section:  it specifies that
+             nameWithoutLanguage plus the implicit natural language
+             matches nameWithLanguage, if the values and natural
+             languages are the same.  Also added that keyword never
+             matches nameWithLanguage or nameWithoutLanguage.
+             Clarified that if both have countries, that the
+             countries SHOULD match as well.  If either do not, then
+             the country field SHOULD be ignored.  (Issues 1.33 and
+             1.34)
+
+   4.1.5     Clarified regarding the case-insensitivity of URLs to
+             refer only to the RFCs that define them.  (Issue 1.10)
+
+   4.1.11    Clarified that 'boolean' is not a full-sized integer.
+             (Issue 1.38)
+
+   4.1.15    Clarified that 'resolution' is not three full-sized
+             integers.  (Issue 1.20)
+
+   4.2.*     Clarified that standard values are keywords or enums,
+             not names.  (Issue 1.49).
+
+   4.2.4     Added the 'single-document-new-sheet' value to Section
+             4.2.4 multiple-document-handling.  (Issue 1.54)
+
+   4.4.18,   Clarified that the "document-format-default" and
+   4.4.19    "document-format-supported" Printer Description
+             attributes are REQUIRED to agree with the table.  (Issue
+             1.4)
+
+   4.4.21    Changed "queued-job-count" from OPTIONAL to RECOMMENDED.
+             (Issue 1.14)
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 170]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   4.4.28    Clarified that the implementation supplied value for the
+             "multiple-operation-time-out" attribute SHOULD be
+             between 30 and 240 seconds, though the implementation
+             MAY allow the administrator to set values, and MAY allow
+             values outside this range.  (Issue 1.28)
+
+   5.1,      Clarified Client Conformance that if a client supports
+   5.2.5     an attribute of 'text' attribute syntax, that it MUST
+             support both the textWithoutLanguage and the
+             textWithLanguage forms.  Same for 'name' attribute
+             syntax.  Same for an IPP object (Issue 1.48)
+
+   6.5,      Added new section to allow Attribute Groups to be
+   12.8      registered as extensions for being passed in operation
+             requests and responses.  (Issue 1.25)
+
+   7.        Updated the table of text and name attributes to agree
+             with Section 4.2.
+
+   8.5       Added a new section RECOMMENDING that the Get-Jobs
+             SHOULD return non-IPP jobs whether or not assigning them
+             a job-id and job-uri.  Also RECOMMENDED generating, if
+             possible, job-id and job-uri and supporting other IPP
+             operations on foreign jobs as an implementer option.
+             (Issue 1.32)
+
+   9.        Updated document references.
+
+   13.1.4.14 Clarified 'client-error-charset-not-supported' that
+             'utf-8' must be used for any 'text' or 'name' attributes
+             returned in the error response (Issue 1.19).
+
+   13.1.5.9  Added a new error code 'server-error-job-canceled'
+             (0x0508) to be returned if a job is canceled by another
+             client or aborted by the IPP object while the first
+             client is still sending the document data.  (Issue 1.29)
+
+   15.3,     Moved these sections recommending operation processing
+   15.4      steps to the new Implementer's Guide (informational).
+             There indicated that all of the error checks are not
+             required, so an IPP object MAY be forgiving and accept
+             non-conforming requests.  However, a conforming client
+             MUST supply requests that would pass all of the error
+             checks indicated.  (Issue 1.21)
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 171]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+   16        Changed directory schema attributes from REQUIRED to
+             RECOMMENDED.  Changed some of the OPTIONAL to
+             RECOMMENDED to agree with the SLP template.  Changed the
+             "charset-supported" and "natural-language-supported"
+             from REQUIRED to OPTIONAL.  Recommended that the names
+             be the same in a directory entry as the IPP attribute
+             names. (Issue 1.53)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 172]
+
+RFC 2566              IPP/1.0: Model and Semantics            April 1999
+
+
+18.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+deBry, et al.                 Experimental                    [Page 173]
+
diff --git a/standards/rfc2567.txt b/standards/rfc2567.txt
new file mode 100644
index 000000000..d5ef440be
--- /dev/null
+++ b/standards/rfc2567.txt
@@ -0,0 +1,2411 @@
+
+
+
+
+
+
+Network Working Group                                       F.D. Wright
+Request for Comments: 2567                        Lexmark International
+Category: Experimental                                       April 1999
+
+
+             Design Goals for an Internet Printing Protocol
+
+Status of this Memo
+
+   This memo defines an Experimental Protocol for the Internet
+   community.  It does not specify an Internet standard of any kind.
+   Discussion and suggestions for improvement are requested.
+   Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+IESG Note
+
+   This document defines an Experimental protocol for the Internet
+   community.  The IESG expects that a revised version of this protocol
+   will be published as Proposed Standard protocol.  The Proposed
+   Standard, when published, is expected to change from the protocol
+   defined in this memo.  In particular, it is expected that the
+   standards-track version of the protocol will incorporate strong
+   authentication and privacy features, and that an "ipp:" URL type will
+   be defined which supports those security measures.  Other changes to
+   the protocol are also possible.  Implementers are warned that future
+   versions of this protocol may not interoperate with the version of
+   IPP defined in this document, or if they do interoperate, that some
+   protocol features may not be available.
+
+   The IESG encourages experimentation with this protocol, especially in
+   combination with Transport Layer Security (TLS) [RFC2246], to help
+   determine how TLS may effectively be used as a security layer for
+   IPP.
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP).  IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies.  This document takes a broad
+   look at distributed printing functionality, and it enumerates real-
+   life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+
+
+
+Wright                        Experimental                      [Page 1]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   administrators.  The design goals document calls out a subset of end
+   user requirements that are satisfied in IPP/1.0. Operator and
+   administrator requirements are out of scope for version 1.0.
+
+   The full set of IPP documents includes:
+
+   Design Goals for an Internet Printing Protocol (this document)
+   Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol [RFC2568]
+   Internet Printing Protocol/1.0: Model and Semantics [RFC2568]
+   Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+   Internet Printing Protocol/1.0: Implementer's Guide [ipp-iig]
+   Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.0: Model and Semantics" document
+   describes a simplified model consisting of abstract objects, their
+   attributes, and their operations that is independent of encoding and
+   transport.  The model consists of a Printer and a Job object.  The
+   Job optionally supports multiple documents.  IPP 1.0 semantics allow
+   end-users and operators to query printer capabilities, submit print
+   jobs, inquire about the status of print jobs and printers, and cancel
+   print jobs.  This document also addresses security,
+   internationalization, and directory issues.
+
+   The "Internet Printing Protocol/1.0: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1.  It defines the encoding rules
+   for a new Internet media type called "application/ipp".
+
+   The "Internet Printing Protocol/1.0: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.0 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+
+
+
+Wright                        Experimental                      [Page 2]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+TABLE OF CONTENTS
+
+   1. INTRODUCTION.....................................................4
+   2. TERMINOLOGY......................................................4
+   3. DESIGN GOALS.....................................................6
+   3.1. End-user.......................................................6
+   3.1.1. Finding or locating a printer................................6
+   3.1.2. Create an instance of the printer............................7
+   3.1.3. Viewing the status and capabilities of a printer.............7
+   3.1.4. Submitting a print job.......................................8
+   3.1.5. Viewing the status of a submitted print job..................9
+   3.1.6. Canceling a Print Job........................................9
+   3.2. Operator (NOT REQUIRED FOR V1.0)...............................9
+   3.2.1. Alerting.....................................................9
+   3.2.2. Changing Print and Job Status...............................10
+   3.3. Administrator (NOT REQUIRED FOR v1.0).........................10
+   4. OBJECTIVES OF THE PROTOCOL......................................10
+   4.1. SECURITY CONSIDERATIONS.......................................11
+   4.2. Interaction with LPD (RFC1179)................................12
+   4.3. Extensibility.................................................12
+   4.4. Firewalls.....................................................13
+   4.5. Internationalization..........................................13
+   5. IPP SCENARIOS...................................................13
+   5.1. Printer Discovery.............................................14
+   5.2. Driver Installation...........................................15
+   5.3. Submitting a Print Job........................................15
+   5.4. Getting Status/Capabilities...................................16
+   5.5. Asynchronous Notification.....................................17
+   5.6. Job Canceling.................................................17
+   6. Security Considerations.........................................18
+   7. REFERENCES......................................................18
+   8. ACKNOWLEDGMENTS.................................................19
+   9. AUTHOR'S ADDRESS................................................19
+   10. APPENDIX - DETAILED SCENARIOS..................................20
+   10.1. Printer discovery within an enterprise.......................20
+   10.2. Printer discovery across enterprises.........................21
+   10.3. Printer discovery on the Internet -logical operations........21
+   10.4. Printer discovery on the Internet - authentication...........22
+   10.5. Driver Download..............................................23
+   10.6. Submitting a print job as a file.............................24
+   10.7. Submitting a print job with two documents....................24
+   10.8. Submitting a print job as a file, printing fails.............25
+   10.9. Submitting a print job with authentication, PRIVACY and
+         payment......................................................26
+   10.10. Submitting a print job with decryption error................27
+   10.11. Submitting a print job with authentication..................28
+   10.12. Submitting a print job generated dynamically................29
+   10.13. Submitting a print job with a Printer jam - CANCELED........29
+
+
+
+Wright                        Experimental                      [Page 3]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   10.14. Submitting a print job with a Printer jam - recovered.......30
+   10.15. Submitting a print job with server pull.....................31
+   10.16. Submitting a print job with referenced resources............32
+   10.17. Getting Capabilities........................................33
+   10.17.1. Submission Attributes.....................................33
+   10.17.2. Printer Capabilities......................................33
+   10.18. Getting Status..............................................34
+   10.18.1. Printer State/Status......................................34
+   10.18.2. Job Status................................................34
+   10.18.3. Status of All My Jobs.....................................34
+   10.19. Asynchronous Notification...................................35
+   10.19.1. Job Completion............................................35
+   10.19.2. Job Complete with Data....................................35
+   10.19.3. Print Job Fails...........................................35
+   10.20. Cancel a job................................................36
+   10.21. End to end Scenario - within an enterprise..................36
+   10.22. End to end Scenario - across enterprises....................37
+   10.23. End to End Scenario - on the internet.......................40
+   11. Full Copyright Statement.......................................43
+
+1. INTRODUCTION
+
+   The IPP protocol is heavily influenced by the printing model
+   introduced in the Document Printing Application (DPA) [ISO10175]
+   standard.  Although DPA specifies both end user and administrative
+   features, IPP version 1.0 (IPP/1.0) focuses only on end user
+   functionality.
+
+2. TERMINOLOGY
+
+   Internet Printing for the purposes of this document is the
+   application of Internet tools, programs, servers and networks to
+   allow end-users to print to a remote printer using, after initial
+   setup or configuration, the same methods, operations and paradigms as
+   would be used for a locally attached or a local area network attached
+   printer.  This could include the use of HTTP servers and browsers and
+   other applications for providing static, dynamic and interactive
+   printer locating services, user installation, selection,
+   configuration, print job submission, printer capability inquiry and
+   status inquiry of remote printers and jobs.
+
+   For the purposes of this document, a WEB Browser is software
+   available from a number of sources including but not limited to the
+   following:  Microsoft Internet Explorer, NCSA Mosaic, Netscape
+   Navigator, Sun Hot Java!.  The major task of these products is to use
+   the Hypertext Transport Protocol (HTTP) to retrieve, interpret and
+   display Hypertext Markup Language (HTML).  These products are often a
+   part of a complete Internet Printing system because they are often
+
+
+
+Wright                        Experimental                      [Page 4]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   used as a means of obtaining the status of or more information about
+   the printing system; however, they may not be present in all
+   implementations.
+
+   Throughout this document, 'printer' shall be interpreted to include
+   any device which is capable of marking on a piece of media using any
+   available technology.  These design goals do not include support for
+   multi-tiered printing solutions involving servers (single or
+   multiple) logically in front of the actual printing device yet all
+   such configurations shall be supported but shall appear to the end-
+   user as only a single device.
+
+   Throughout this document 'driver' refers to the code installed in
+   some client operating system to generate the print data stream for
+   the intended printer. Some computing environments may not include a
+   separate printer driver.  Rather, the generation of the proper print
+   data stream is accomplished in an application on that computer. How
+   such a computer environment or application is updated to support a
+   new printer now made available using IPP is outside the scope of IPP.
+   The actual details for installing a printer driver are operating
+   system dependent and are also outside the scope of IPP. See also
+   section 4.1 (SECURITY CONSIDERATIONS) for security implications of
+   driver download and installation.
+
+   The IPP protocol will support the following physical configurations:
+
+   - An IPP client talking to an IPP Printer object imbedded in a
+     single, physical output device.
+   - An IPP Client talking to a server containing one or more IPP
+     Printer objects. Each Printer object is associated with exactly one
+     physical output device supported by the server. The protocol
+     between the server and the output devices is undefined.
+   - An IPP Client talking to an IPP Printer object in a server. The
+     Printer object is associated with one or more physical output
+     devices, but the client only sees the Printer object, which is an
+     abstraction and represents all of the associated physical output
+     devices. The protocol between the server and the physical output
+     devices is undefined.
+
+   Throughout this document, certain design goals will be identified as
+   not being a part of version 1.0 (or V1.0) of the protocol or as being
+   satisfied by means outside of IPP.  IPP is assumed to be one part, an
+   enabler, of a complete Internet Printing solution.  For example
+   printer instance creation is not performed by but is enabled by the
+   protocol.  Globally, none of the operator or administrators wants and
+   needs are included in the design goals for version 1.0.  Some of the
+   end-user wants and needs may also be excluded from version 1.0 and
+   will be so noted in the description of them.  Subsequent versions of
+
+
+
+Wright                        Experimental                      [Page 5]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   the protocol (e.g. V2.0) may include support for these initially
+   excluded wants and needs.
+
+3. DESIGN GOALS
+
+   The next three sections identify the design goals for an Internet
+   printing protocol from three roles assumed by humans: end-user,
+   operator, and administrator.  The goals defined here are only those
+   that need to be addressed by an Internet printing protocol.  Other
+   wants and needs, such as that the operator needs physical access to
+   the printer (e.g. to be able to load paper or clear jams) are not
+   covered by this document.  Section 5 contains scenarios which provide
+   more detailed examples of the entire process including discovery,
+   status, printing and end-of-job reporting.
+
+3.1. END-USER
+
+   An end-user of a printer accepting jobs through the Internet is one
+   of the roles in which humans act.  The end-user is the person that
+   will submit a job to be printed on the printer.
+
+   The wants and needs of the end-user are broken down into six
+   categories: finding/locating a printer, creating a local instance of
+   a printer, viewing printer status, viewing printer capabilities,
+   submitting a print job, viewing print job status, altering the
+   attributes of a print job.
+
+3.1.1. Finding or locating a printer.
+
+   End-users want to be able to find and locate printers to which they
+   are authorized to print.  They want to be able to perform this
+   function using a standard WEB browser or other application.  Multiple
+   criteria can be applied to find the printers needed.  These criteria
+   include but are not limited to:
+
+   - by name (Printer 1, Joes-color-printer, etc.)
+   - by geographic location (bldg 1, Kentucky, etc.)
+   - by capability or attribute (color, duplex, legal paper, etc.)
+
+   Additionally, while it is outside of scope of IPP, end-users want to
+   be able to limit the scope of their searching to:
+
+   - inside a functional sub-domain
+   - include only a particular domain (lexmark.com)
+   - exclude specified domains
+
+
+
+
+
+
+Wright                        Experimental                      [Page 6]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   While an Internet printing protocol may not of itself include this
+   function, IPP must define and enable a directory schema which will
+   provide the necessary information for a directory service
+   implementation to consistently represent printers by their IPP
+   attributes.
+
+3.1.2. Create an instance of the printer.
+
+   After finding the desired printer, an end-user needs to be able to
+   create a local instance of that printer within the end-user operating
+   system or desktop.  This local instance will vary depending upon the
+   printing paradigm of the operating system.  For example, some UNIX
+   users will only want a queue or a reference to a remote printer
+   created on their machine while other UNIX users and Windows NT users
+   will want the queue and also the necessary icons and registry entries
+   to be created and initialized.  Where required, drivers may need to
+   be downloaded from some repository and installed on the computer.
+   All necessary decompressing, unpacking, and other installation
+   actions should occur without end-user interaction or intervention
+   excepting initial approval by the end-user.  Once the local instance
+   of the printer has been installed, it shall appear to the end-user of
+   the operating system and to the applications running there as any
+   other printer (local, local area network connected, or network
+   operating system connected) on the end-user desktop or environment.
+   IPP's role in this goal is simply to enable the creation of the
+   printer instance providing information such as where to locate a
+   printer driver for this printer, as an attribute of an IPP Printer.
+
+3.1.3. Viewing the status and capabilities of a printer.
+
+   Before using a selected printer or, in fact at any time, the end-user
+   needs the ability to verify the characteristics and status of both
+   printers and jobs queued for that printer.  When checking the
+   characteristics of a printer, the end-user typically wants to be able
+   to determine the capability of the device, e.g.:
+
+   - supported media, commonly paper, by size and type
+   - paper handling capability, e.g. duplex, collating, finishing
+   - color capability
+
+   When checking the status of the printer and its print jobs, the end-
+   user typically wants to be able to determine:
+
+   - is the printer on-line?
+   - what are the defaults to be used for printing?
+   - how many jobs are queued for the printer?
+   - how are job priorities assigned? (outside the scope of IPP)
+
+
+
+
+Wright                        Experimental                      [Page 7]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+3.1.4. Submitting a print job.
+
+   Once the desired printer has been located and installed, the end-user
+   wants to print to that printer from normal applications using
+   standard methods.  These normal applications include such programs as
+   word processors, spreadsheets, data-base applications, WEB browsers,
+   production printing applications, etc.  Additionally, the end-user
+   may want to print a file already existing on the end-user's computer
+   -- "simple push".  In addition to printing from an application and
+   simple push, the end-user needs to have the ability to submit a print
+   job by reference.  Printing by reference is defined to mean as
+   submitting a job by providing a reference to an existing document.
+   The reference, a URI, will be resolved before the actual print
+   process occurs.  Submitting a job by reference relieves the user from
+   downloading the document from the remote server and then sending it
+   via IPP to the printer.  This saves both time and network bandwidth.
+
+   Some means shall be provided to determine if the format of a job
+   matches the capability of the printer.  This can be done by one of
+   the following (all of which are outside of scope of the IPP
+   protocol):
+
+      - the end-user selects the correct printer driver
+      - the printer automatically selects the proper interpreter
+      - the end-user uses some other manual procedure.
+
+   A standard action shall be defined should the job's requirements not
+   match the capabilities of the printer.
+
+   Because the end-user does not want to know the details of the
+   underlying printing process, the protocol must support job-to-printer
+   capability matching (all implementations are not necessarily required
+   to implement this function.)  This matching capability requires
+   knowing both the printer's capabilities and attributes and those
+   capabilities and attributes required by the job.  Actions taken when
+   a print job requires capabilities or attributes that are not
+   available on the printer vary and can include but are not limited to:
+
+   - rejecting the print job
+   - redirecting the print job to another printer (Not in V1.0)
+   - printing the job, accepting differences in the appearance
+
+   Print jobs will also be submitted by background or batch applications
+   without human intervention.
+
+   End-users need the ability to set certain print job parameters at the
+   time the job is submitted.  These parameters include but are not
+   limited to:
+
+
+
+Wright                        Experimental                      [Page 8]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   - number of copies
+   - single or two sided printing
+   - finishing
+   - job priority
+
+3.1.5. Viewing the status of a submitted print job.
+
+   After a job has been submitted to a printer, the end-user needs a way
+   to view the status of that job (i.e. job waiting, job printing, job
+   done) and to determine where the job is in the print queue.
+
+   In addition to the need to inquire about the status of a print job,
+   automatic notification of the completion of that job is also
+   required.
+
+   Notification means are not defined by the protocol but the protocol
+   must provide a means of enabling and disabling the notification.
+
+3.1.6. Canceling a Print Job
+
+   While a job is waiting to be printed or has been started but not yet
+   completed, the original creator/submitter of the print job (i.e. the
+   end-user) shall be able to cancel the job entirely (job is waiting)
+   or the remaining portion of it (job is printing.)  Altering the print
+   job itself is not a V1.0 design goal.
+
+3.2. OPERATOR (NOT REQUIRED FOR V1.0)
+
+   An operator of a printer accepting jobs through the Internet is one
+   of the roles in which humans act.  The operator has the
+   responsibility of monitoring the status of the printer as well as
+   managing and controlling the jobs at the device.  These
+   responsibilities include but are not limited to the replenishing of
+   supplies (ink, toner, paper, etc.), the clearing of minor errors
+   (paper jams, etc.) and the re-prioritization of end-user jobs.
+   Operator wants and needs will not be addressed by V1.0 of the
+   protocol.
+
+   The wants and needs of the operator include all those of the end-user
+   but may include additional privileges.  For example, an operator may
+   be able to view all print jobs on a printer while the end-user might
+   only be able to see his own jobs.
+
+3.2.1. Alerting.
+
+   One of the required operator functions is having the ability to
+   discover or to be alerted to changes in the status of a printer
+   particularly those changes that cause a printer to stop printing and
+
+
+
+Wright                        Experimental                      [Page 9]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   to be able to correct those problems.  As such, an Internet printing
+   protocol shall be able to alert a designated operator or operators to
+   these conditions such as 'out of paper', 'out of ink', etc.
+   Additionally. the operator shall be able to, asynchronous to other
+   printer activity, inquire as to a printer's or a job's status.
+
+3.2.2. Changing Print and Job Status.
+
+   Another of the required operator functions is the ability to affect
+   changes to printer and job status remotely.  For example, the
+   operator will need to be able to re-prioritize or cancel any print
+   jobs on a printer to which the operator has authority.
+
+3.3. ADMINISTRATOR (NOT REQUIRED FOR V1.0)
+
+   An administrator of a printer accepting jobs through the Internet is
+   one of the roles in which humans act.  The administrator has the
+   responsibility of creating the printer instances and controlling the
+   authorization of other end-users and operators.  Administrator wants
+   and needs will not be addressed by V1.0 of the protocol.
+
+   The wants and needs of the administrator include all those of the
+   end-user and, in some environments, some or all of those of the
+   operator.  Minimally, the administrator must also have the tools,
+   programs, utilities and supporting protocols available to be able to:
+
+   - create an instance of a printer
+   - create, edit and maintain the list of authorized end-users
+   - create, edit and maintain the list of authorized operators
+   - create, edit and maintain the list of authorized
+     administrators
+   - create, customize, change or otherwise alter the manner in
+     which the status capabilities and other information about printers
+     and jobs are presented
+   - create, customize, or change other printer or job features
+   - administrate billing or other charge-back mechanisms
+   - create sets of defaults
+   - create sets of capabilities
+
+   The administrator must have the capability to perform all the above
+   tasks locally or remotely to the printer.
+
+4. OBJECTIVES OF THE PROTOCOL
+
+   The protocol to be defined by an Internet printing working group will
+   address the wants and needs of the end-user (V1.0).  It will not, at
+   least initially, address the operator or administrator wants and
+   needs (V2.0).
+
+
+
+Wright                        Experimental                     [Page 10]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   The protocol defined shall be independent of the operating system of
+   both the client and the server.  Generally, any platform capable of
+   supporting a WEB Browser should be capable of being a client.
+   Generally, any platform providing a WEB/HTTP server and printing
+   services should be capable of being a server.  Usage of the WEB
+   Browser and Server is not required for IPP; the operating system,
+   operating system extensions or other applications may provide IPP
+   functionality directly.
+
+   In many environments such as Windows 95, Windows NT and OS/2, the
+   print data is created and transmitted to the printer on the fly
+   rather than being created, spooled and then transmitted to the
+   printer (a typical UNIX method.)  The Internet Printing Protocol must
+   properly handle either methodology and make this transparent to the
+   end-user.
+
+4.1. SECURITY CONSIDERATIONS
+
+   It is required that the Internet Printing Protocol be able to operate
+   within a secure environment. Wherever reasonable, IPP ought to make
+   use of existing security protocols and services. IPP will not invent
+   new security features when the design goals described in this
+   document can be met by existing protocols and services. Examples of
+   such services include Secure Socket Layer Version 3 (SSL3) [SSL] and
+   HTTP Digest Access Authentication [RFC2069].  Note: SSL3 is not on
+   the IETF standards track.
+
+   Since we cannot anticipate the security levels or the specific
+   threats that any given IPP print administrator may be concerned with,
+   IPP must be capable of operating with different security mechanisms
+   and policies as required by the individual installation. The initial
+   security needs of IPP are derived from two primary considerations.
+   First, the printing environments described in this document take into
+   account that the client, the Printer, and the document to be printed
+   may each exist in different security domains. When objects are in
+   different security domains the design goals for authentication and
+   message protection may be much stronger than when they are all in the
+   same domain.
+
+   Secondly, the sensitivity and value of the content being printed will
+   vary from one instance of a print job to another. For example, a
+   publicly available document does not need the same level of
+   protection as a payroll document does.  Message protection design
+   goals include data origin authentication, privacy, integrity, and
+   non-repudiation.
+
+
+
+
+
+
+Wright                        Experimental                     [Page 11]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   In many environments (e.g. Windows, OS/2) a printer driver may be
+   needed to create the proper datastream for printer.  This document
+   discusses downloading such a new driver from a variety of sources.
+   Downloading and installing any software, including drivers) on a
+   computer exposes that computer to a number of security risks
+   including but not limited to:
+
+      - defective software
+      - malicious software (e.g. Trojan horses)
+      - inappropriate software (i.e. software doing something
+        deemed unreasonable by the user.)
+
+   As such, proper security considerations and actions need to be taken
+   by the user and/or a system administrator to prevent the compromising
+   of the computer.  Administrators should configure downloading
+   mechanism for printer drivers in such a way as to be able to verify
+   the source of driver software and encrypt or otherwise protect that
+   software during download.
+
+   Examples including security considerations can be found in sections 5
+   (IPP SCENARIOS) and 10 (APPENDIX - DETAILED SCENARIOS) later in this
+   document.
+
+4.2. INTERACTION WITH LPD (RFC1179)
+
+   Many versions of UNIX and in fact other operating systems provide a
+   means of printing as described in [RFC1179] (Line Printer Daemon
+   Protocol.)  This document describes the file formats for the control
+   and data files as well as the messages used by the protocol.  Because
+   of the simplistic approach taken by this protocol, many manufacturers
+   have include proprietary enhancements and extensions to 'lpd.'
+   Because of this divergence and due to other design goals described in
+   this document, there is no requirement for backward compatibility or
+   interoperability with 'lpd'.  However, a mapping of LPD functionality
+   and IPP functionality shall be provided so as to enable a gateway
+   between LPD and IPP.
+
+4.3. EXTENSIBILITY
+
+   The Internet Printing Protocol shall be extensible by several means
+   that facilitate interoperability and prevent implementation
+   collisions:
+
+      - by providing a process whereby implementers can submit proposals
+      for registration of new attributes and new enumerated values for
+      existing attributes.
+
+
+
+
+
+Wright                        Experimental                     [Page 12]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+         * that require review and approval.  The Internet Assigned
+         Number Authority (IANA) will be the repository for such
+         accepted registration proposals after review.
+
+         * that do not require review and approval.  IANA will be the
+         repository for such registrations.
+
+      - by providing syntax in the protocol so that implementers may add
+      private (i.e. unregistered) attributes and  enumerated attribute
+      values.
+
+      - by providing versioning and negotiation so as to enable future
+      implementations of IPP to interoperate with implementations of
+      version 1.0 of IPP.
+
+4.4. FIREWALLS
+
+   As stated in section 3 Design Goals, Internet printing shall, by
+   definition, support printing from one enterprise to another.  As
+   such, the Internet printing protocol must be capable of passing
+   through firewalls and/or proxy servers (where enabled by the firewall
+   administrator) preferably without modification to the existing
+   firewall technology.
+
+4.5. INTERNATIONALIZATION
+
+   Users of Internet printing will come from all over the world.  As
+   such, where appropriate, internationalization and localization will
+   be enabled for the protocol.
+
+5. IPP SCENARIOS
+
+   Each of the scenarios in this section describes a specific IPP
+   operation, such as submitting a print job. Section 10 contains
+   several detailed flows for each scenario to provide additional
+   detail.  The examples should not be considered exhaustive, but
+   illustrative of the functions and features required in the protocol.
+   Flows are intended to be protocol neutral. It is not assumed that all
+   of the functions and features described in these scenarios will
+   necessarily be supported directly by IPP or in version 1.0 of IPP.
+
+   See the IPP Model and Semantics document for details on
+   configurations of clients, servers and firewalls.
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 13]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+5.1. PRINTER DISCOVERY
+
+   Client                                               Directory Service
+   Service
+
+    +----------------------------------------------------------- >
+       give me information on printers with these characteristics
+
+
+    < -----------------------------------------------------------+
+        Information on Printers matching these characteristics
+
+   The objective of printer discovery is to locate printers that meet
+   the client's wants and needs. The Directory Service should provide
+   enough information for the client to make an initial choice. The
+   client may have to connect to each individual Printer offered to get
+   more detail.  Not all information available from the Directory
+   Service is obtained using IPP; some information may be
+   administratively provided.
+
+   The actual protocol used between client and Directory or Name Service
+   is considered outside the scope of IPP. Printer Discover is included
+   in the scenarios to provide design goals for the directory schema for
+   IPP Printers and to further define Printer attributes.
+
+   Characteristics that might be considered when locating a Printer
+   include:
+
+   - capabilities of the Printer, e.g. PDLs supported
+   - physical location, e.g. in building 010
+   - driver required and location
+   - cost per page to print (outside the scope of IPP)
+   - whether or not printer is access controlled
+   - whether or not usage requires client authentication
+   - whether or not Printer can be authenticated
+   - whether or not payment is required for printing (outside the scope
+     of IPP)
+   - maximum job size (spool size) (outside the scope of IPP)
+   - whether or not Printer support compression (outside the scope of
+     IPP)
+   - whether or not Printer supports encryption
+   - administrative limits on this Printer
+      - maximum number of copies per job
+      - maximum number of pages per job
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 14]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   Responses could additionally include:
+
+   - how to get more information
+      - web page
+      - telephone number
+      - help desk
+
+5.2. DRIVER INSTALLATION
+
+   Client                                               Printer
+
+    +----------------------------------------------------------- >
+       Where can I find a driver & software to install it?
+
+
+    < -----------------------------------------------------------+
+        URIs for drivers and install software
+
+   Driver here refers to the code installed in some client operating
+   system to generate the print data stream for the intended printer.
+   The actual details for installing a printer driver are operating
+   system dependent and are also outside the scope of IPP.  However, an
+   IPP printer or a directory service advertising an IPP Printer should
+   be capable of telling a client what drivers are available and/or
+   required, where they can be found, and provide pointers to
+   installation instructions, installation code or initialization
+   strings required to install the driver.  See section 4.1 (SECURITY
+   CONSIDERATIONS) for security implications of driver download and
+   installation.
+
+5.3. SUBMITTING A PRINT JOB
+
+   Client                                               IPP Printer
+
+    +----------------------------------------------------------- >
+       Here is a Print Job
+        - Job attributes
+        - Print data
+
+
+    < -----------------------------------------------------------+
+        Response
+
+   The protocol must support these sources of client data:
+
+   - Print data is a file submitted with the job
+   - Print data is generated on the fly by an application
+   - Print data is a file referenced by a URI
+
+
+
+Wright                        Experimental                     [Page 15]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   The protocol must handle overrun conditions in the printer and must
+   support overlapped printing and downloading of the file in devices
+   that are unable to spool files before printing them.
+
+   Every print request will have a response. Responses will indicate
+   success or failure of the request and provide information on failures
+   when they occur. Responses would include things like:
+
+   - Got the print job and queued it
+   - Got the print job and am printing it
+   - Got the print job, started to print it, but printing failed
+      - why it failed (e.g. unrecoverable PostScript error)
+      - state of the printer
+      - how much printed
+   - Got the print job but couldn't print it
+      - why it can't be printed
+      - state of the printer
+   - Got the print job but don't know what to do with it
+   - Didn't get a complete print job (e.g. communication failure)
+
+5.4. GETTING STATUS/CAPABILITIES
+
+   Client                                               IPP Printer
+
+    +----------------------------------------------------------- >
+       Get status and/or capabilities of Printer
+
+
+    < -----------------------------------------------------------+
+        Status/Capabilities
+
+   Clients will need to get information about
+
+   - Static capabilities of the device
+   - Dynamic state of the Printer (e.g. out of paper)
+   - State of a specific job owned by this client
+   - State of all jobs owned by this client
+      - queued
+      - printing
+      - completed
+
+
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 16]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   - Job submission attributes supported/required
+      - scheduling attributes (e.g. priority)
+      - production attributes (e.g. number of copies)
+
+5.5. ASYNCHRONOUS NOTIFICATION
+
+   Client                                               IPP Printer
+
+    +----------------------------------------------------------- >
+       Use the following method to notify me of Printer events
+
+                                 .
+                                 .
+                                 .
+    < -----------------------------------------------------------+
+        Asynchronous notification of Printer event
+
+   Clients must be able to request asynchronous notification for Printer
+   events such as
+
+   - job completion
+   - a fatal error that requires the job to be resubmitted
+   - a condition that severely impacts a queued job for this client
+      e.g. printer is out of paper
+
+   Note: end-user notification is a V1.0 design goal while operator
+   notification is for V2.0.
+
+5.6. JOB CANCELING
+
+   Client                                               IPP Printer
+
+    +----------------------------------------------------------- >
+       Cancel the named job as indicated
+
+
+    < -----------------------------------------------------------+
+        Response (did it or not)
+
+   Similarly clients must be able to make changes to jobs which have
+   been submitted and are queued for printing.  Changing of job
+   attributes should also be supported.  Job modifications, holding and
+   releasing of jobs are not included in the design goals for IPP v1.0.
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 17]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+6. SECURITY CONSIDERATIONS
+
+   The security considerations for IPP are described in Section 4.1
+   above.
+
+7. REFERENCES
+
+   [ipp-iig]  Hastings, T. and C. Manros, "Internet Printing
+              Protocol/1.0: Implementer's Guide", Work in Progress.
+
+   [RFC2569]  Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+              "Mapping between LPD and IPP Protocols", RFC 2569, April
+              1999.
+
+   [RFC2566]  deBry, R., Hastings, T., Herriot, R., Isaacson, S. and P.
+              Powell, "Internet Printing Protocol/1.0: Model and
+              Semantics", RFC 2568, April 1999.
+
+   [RFC2565]  Herriot, R., Butler, S., Moore, P. and R. Tuner, "Internet
+              Printing Protocol/1.0: Encoding and Transport", RFC 2565,
+              April 1999.
+
+   [RFC2568]  Zilles, S., "Rationale for the Structure and Model and
+              Protocol for the Internet Printing Protocol", RFC 2568,
+              April 1999.
+
+   [ISO10175] ISO/IEC 10175, Document Printing Application, June 1996.
+
+   [RFC1179]  McLaughlin, L., "Line Printer Daemon Protocol" RFC 1179,
+              August 1990.
+
+   [SSL]      Netscape, The SSL Protocol, Version 3, (Text version
+              3.02), November 1996.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 18]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+8. ACKNOWLEDGMENTS
+
+   This document draws heavily from preliminary work done by others
+   especially in the Printer Working Group (PWG).  The author gratefully
+   acknowledges the specific contributions of:
+
+   Scott Isaacson                   Roger deBry
+   Novell                           Utah Valley State College
+   sisaacson@novell.com             debryro@uvsc.edu
+
+   Carl-Uno Manros                  Robert Herriot
+   Xerox                            Sun
+   manros@cp10.es.xerox.com         Robert.Herrior@pahv.xerox.xom
+
+   Tom Hastings                     Peter Zehler
+   Xerox                            Xerox
+   hastings@cp10.es.xerox.com       Peter.Zehler@usa.xerox.com
+
+9. AUTHOR'S ADDRESS
+
+   F.D. (Don) Wright
+   Lexmark International
+   C14/035-3
+   740 New Circle Rd
+   Lexington, KY  40550
+
+   Phone: 606-232-4808
+   Fax: 606-232-6740
+   EMail: don@lexmark.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 19]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+10. APPENDIX - DETAILED SCENARIOS
+
+   The following are more detailed scenarios illustrating how the
+   Internet Printing Protocol is expected to be used as a part of a
+   complete Internet Printing system.  Some parts of the scenarios
+   include concepts, functions and information that may be outside of
+   the scope of version 1.0 of IPP (e.g. cost per page, payments means
+   available, etc.)  The information contained herein is meant to be
+   generic.  There may not be an exact wording or terminology match
+   between these scenarios and the implementation documents.
+
+10.1. PRINTER DISCOVERY WITHIN AN ENTERPRISE
+
+   A user wants to find a color Postscript printer in his/her enterprise
+   which will print transparencies. The client, directory service, and
+   printer are all behind the same corporate firewall. Because color
+   foils are expensive, printers of this type are access controlled and
+   require an account to be established so that printing can be billed
+   back to the using department. Note the request to find a printer
+   usable by Dept.  J15. Drivers for all supported printers are
+   available from the server they are associated with. A help desk is
+   provided for end user support.  The printer is unattended.
+
+   Client                                  Directory Service
+
+      +---------------------------------------------------------- >
+        Find a printer with these characteristics
+        - prints color, prints transparencies
+        - prints Postscript
+        - is in building 003
+        - accessible by the client
+
+      < ----------------------------------------------------------+
+        Printer "Color-A"
+        - prints color, prints transparencies
+        - prints Postscript
+        - in room H-6, building 003
+        - driver ABC-Postscript-V1.3 required, here is URI
+        - cost is $.45 per page for color transparencies
+        - limit is 10 pages per job
+        - authentication required to use printer
+        - printer is unattended
+        - help desk at x5001
+
+         Printer "Color-B"
+        - prints color, prints transparencies
+        - prints Postscript
+        - in room J-10, building 003
+
+
+
+Wright                        Experimental                     [Page 20]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        - driver XYZ-Postscript-V2.4 required, here is URI
+        - cost is $1.25 page for color transparencies
+        - limit is 5 pages per job
+        - authentication is required to use printer
+        - printer is unattended
+        - help desk at x5001
+
+10.2. PRINTER DISCOVERY ACROSS ENTERPRISES
+
+   A user in Company A wants to find a public printer in a business
+   partner's enterprise (Company B) on which to print a purchase order.
+   The client is behind one corporate firewall and the directory service
+   and the printer are behind a different corporate firewall. Drivers
+   for all supported printers are available from the server they are
+   associated with. A web page is provided for end user support for
+   public printers.
+
+   Client                        Company B Directory Service
+
+      +---------------------------------------------------------- >
+        Find a printer with these characteristics
+        - prints black and white
+        - is in El Segundo, building A
+        - is a public printer
+
+      < ----------------------------------------------------------+
+        Printer "Public-A"
+        - prints black and white
+        - prints Postscript
+        - in El Segundo, room H-6, building A
+        - driver ABC-Postscript-V1.3 required, here is URI
+        - printer is public
+        - help available at http://xerox/elSegundo/publicPrinters
+
+         Printer "Public-B"
+        - prints black and white
+        - prints PCL/5e
+        - is in El Segundo, room J-10, building A
+        - driver XYZ-PCL-V2.4 required, here is URI
+        - printer is public
+        - help available at http://xerox/elSegundo/publicPrinters
+
+10.3. PRINTER DISCOVERY ON THE INTERNET -LOGICAL OPERATIONS
+
+   A student wants to print a paper on a printer at his neighborhood
+   Ink-o's print shop. The report was written using Microsoft Word. The
+   student is interested in the cost of printing since his budget is
+   limited. Note the use of logical operators to find this information.
+
+
+
+Wright                        Experimental                     [Page 21]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   Client                          Ink-o's Directory Service
+
+      +---------------------------------------------------------- >
+        Find a Printer with these characteristics
+        - prints color or black and white
+        - costs less than $.50 per page
+        - tell me about resolution and marking technology
+
+      < ----------------------------------------------------------+
+        Printer "Color-A"
+        - prints color
+        - 600 dpi laser printer
+        - prints Postscript
+        - driver ABC-Postscript-V1.3 required, here is URI
+        - cost is $.50 per page for color
+        - payment required prior to submitting print job
+        - here is URI for more information on Ink-o's
+
+         Printer "Mono-B"
+        - prints black and white
+        - 300 dpi inkjet printer
+        - prints Postscript
+        - driver XYZ-Postscript-V2.4 required, here is URI
+        - cost is $0.35 page for black and white
+        - payment required prior to submitting print job
+        - here is URI for more information on Ink-o's
+
+10.4. PRINTER DISCOVERY ON THE INTERNET - AUTHENTICATION
+
+   An executive in her hotel room is finishing an important presentation
+   on her laptop computer. She connects to a local print shop through
+   the web to get a copy of her charts printed for tomorrow's
+   presentation.  She must find a print shop that is convenient to her
+   hotel and can print color transparencies. She wants to be sure that
+   the printer can be authenticated and can accept encrypted data.
+
+   Client                         SirZippy Directory Service
+
+      +---------------------------------------------------------- >
+        Find a Printer with these characteristics
+        - prints color transparencies
+        - is in Boulder, Colorado
+        - Printer can be authenticated
+        - Printer supports encryption
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 22]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Tell me when you are open for business
+
+      < ----------------------------------------------------------+
+        Printer "Color-A"
+        - prints color transparencies
+        - prints Postscript
+        - driver ABC-Postscript-V1.3 required, here is URI
+        - payment required prior to submitting print job
+        - Printer can be authenticated
+        - Data can be encrypted
+        - Located at 1670 Pearl Street, Boulder, CO
+        - This Branch is open 24 hours a day
+
+
+        Printer "Color-B"
+        - prints color transparencies
+        - prints Postscript
+        - driver ABC-Postscript-V1.3 required, here is URI
+        - payment required prior to submitting print job
+        - Printer can be authenticated
+        - Data can be encrypted
+        - Located at 1220 Arapahoe, Boulder, CO
+        - This Branch is open from 9:00 am to 6:30 pm
+
+10.5. DRIVER DOWNLOAD
+
+   An end user in an enterprise wants to print a lengthy report on a
+   newly installed high speed PostScript printer. Since she will likely
+   use this printer often, she would like to download a driver and
+   install it on her workstation. She is running Windows 95.  Note:
+   Driver download is not a V1.0 design goal.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Tell me where to find print drivers for you
+
+
+
+      < ----------------------------------------------------------+
+        Driver install file is at
+        http://www.ibm.com/drivers/NP12a/Win95
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 23]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+10.6. SUBMITTING A PRINT JOB AS A FILE
+
+   An end-user wants to submit a print job. The print file already
+   exists on his workstation. The client and printer are behind the same
+   corporate firewall. The printer is available to anyone behind the
+   firewall and no authorization or authentication is required. The data
+   is pushed to the printer. The printer is capable of spooling the
+   output. No errors occur.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        Print job accepted and spooled
+        - job id = #12345
+        - current state of print job = spooled
+        - submission time = 02/12/97, 15:35
+        - printer state = printing
+
+10.7. SUBMITTING A PRINT JOB WITH TWO DOCUMENTS
+
+   An end-user wants to submit a print job. The print file already
+   exists on his workstation. The client and printer are behind the same
+   corporate firewall. The printer is available to anyone behind the
+   firewall and no authorization or authentication is required. The data
+   is pushed to the printer. The job consists of two separate documents.
+   The printer is capable of spooling the output. No errors occur.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+
+      < ----------------------------------------------------------+
+
+
+
+Wright                        Experimental                     [Page 24]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Print job accepted and spooled
+        - job id = #12345
+        - submission time = 02/12/97, 15:35
+      +---------------------------------------------------------- >
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        - OK
+
+      +---------------------------------------------------------- >
+        - here is the document to print, it is the last document.
+
+      < ----------------------------------------------------------+
+        - OK
+
+10.8. SUBMITTING A PRINT JOB AS A FILE, PRINTING FAILS
+
+   An end-user wants to submit a print job. The print file already
+   exists on his workstation. The client and printer are behind the same
+   corporate firewall. The printer is available to anyone behind the
+   firewall and no authorization or authentication is required. The data
+   is pushed to the printer. The printer is not capable of spooling the
+   output so it begins printing while still receiving the file. An error
+   occurs and the printer cannot complete printing (in this case the
+   user requires A4 paper and that paper size is not available on the
+   printer.)
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+             Print job accepted
+
+        - printing failed
+        - current state of print job = canceled (A4 not available)
+        - submission time = 02/12/97, 15:35
+        - printer state = ready
+
+
+
+
+
+Wright                        Experimental                     [Page 25]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+10.9. SUBMITTING A PRINT JOB WITH AUTHENTICATION, PRIVACY AND PAYMENT
+
+   A traveling executive needs to print a set of transparencies for an
+   important business meeting. The charts are in Lotus Freelance format
+   on his notebook computer. He has located a SirZippy print shop near
+   his hotel that will print color transparencies. Because the
+   information on the charts is sensitive, he wants to be sure that his
+   data is sent to the Printer in an encrypted format. He also wants to
+   authenticate the Printer. The Printer also authenticates the user.
+   Payment occurs across the Internet.
+
+   Client                                               IPP Printer
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+
+        Mutual authentication and exchange of secret keys
+
+      +---------------------------------------------------------- >
+        Here is a print job (encrypted)
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - tell me where to pick up output
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        Print job accepted and spooled (encrypted)
+        - job id = #12345
+        - current state of print job = spooled
+        - submission time = 02/12/97, 15:35
+        - printer state = printing
+        - payment required to proceed with job
+        - pick up at 230 East Main after 3:30 pm today
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Payment transaction
+
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 26]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+10.10. SUBMITTING A PRINT JOB WITH DECRYPTION ERROR
+
+   A traveling executive needs to print a set of transparencies for an
+   important business meeting. The charts are in Lotus Freelance format
+   on his notebook computer. He has located a SirZippy print shop near
+   his hotel that will print color transparencies. Because the
+   information on the charts is sensitive, he wants to be sure that his
+   data is sent to the printer in an encrypted format. He also wants to
+   authenticate the printer. The printer also authenticates the user.
+   Payment occurs across the Internet. An error occurs during
+   decryption.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Mutual authentication and exchange of secret keys
+
+
+      +---------------------------------------------------------- >
+        Here is a print job (encrypted)
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - tell me where to pick up output
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        Print job accepted and spooled (encrypted)
+        - job id = #12345
+        - current state of print job = spooled
+        - submission time = 02/12/97, 15:35
+        - printer state = printing
+        - payment required to proceed with job
+        - pick up at 230 East Main after 3:30 pm today
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Payment transaction
+        .
+        .
+        .
+      < ----------------------------------------------------------+
+        Asynchronous response (email in this case)
+        - decryption failed on job #12345
+
+
+
+Wright                        Experimental                     [Page 27]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        - no pages printed
+        - current state of job = aborted
+
+10.11. SUBMITTING A PRINT JOB WITH AUTHENTICATION
+
+   An end-user wants to submit a print job. The print file already
+   exists on his workstation. The client and printer are behind the same
+   corporate firewall. The printer is available to anyone behind the
+   firewall but authentication and authorization is required.
+   Authorization takes place using the authenticated end-user's name.
+   The data is pushed to the printer. The printer is capable of spooling
+   the output.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Authentication
+
+        Note: An authentication failure would end the transaction at
+                  this point.
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - tell me where to pick up output
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        Print job accepted and spooled
+        - job id = #12345
+        - current state of print job = spooled
+        - submission time = 02/12/97, 15:35
+        - printer state = printing
+
+
+
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 28]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+10.12. SUBMITTING A PRINT JOB GENERATED DYNAMICALLY
+
+   An end-user wants to submit a print job. The print data is generated
+   dynamically and is being transmitted by a printer driver on the
+   client workstation as available. The client and printer are behind
+   the same corporate firewall. The printer is available to anyone
+   behind the firewall and no authentication and authorization is
+   required. The data is pushed to the printer. The printer is capable
+   of spooling the output.  No error occurs.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - document is in Postscript format
+        - here is the print job
+
+
+      < ----------------------------------------------------------+
+        Print data accepted and spooling started
+        - job id = #12345
+        - current job state = spooled
+        - submission time = 02/12/97, 15:35
+        - printer state = printing
+
+10.13. SUBMITTING A PRINT JOB WITH A PRINTER JAM - CANCELED
+
+   An end-user wants to submit a print job. The print data is generated
+   dynamically and is being transmitted by a printer driver on the
+   client workstation as available. The client and printer are behind
+   the same corporate firewall. The printer is available to anyone
+   behind the firewall and no authentication and authorization is
+   required. The data is pushed to the printer. The printer is not
+   capable of spooling the output. The printer jams notifies the user
+   and the user chooses to cancel the job.
+
+   Client                                            IPP Printer
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+
+
+
+Wright                        Experimental                     [Page 29]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        - return status of the printer in response
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        Print data accepted and printing started
+        - job id = #12345
+
+      +---------------------------------------------------------- >
+        - What is the status of print job #12345?
+
+      < --------------------------------------------------------- +
+        - Job #12345 accepted but printer jammed, cannot continue
+
+      +---------------------------------------------------------- >
+        - Cancel job #12345
+
+      * Printer flushes remaining data
+      < ----------------------------------------------------------+
+         Print job terminated
+        - current job state = canceled
+        - submission time = 02/12/97, 15:35
+        - printer state = jammed
+
+10.14. SUBMITTING A PRINT JOB WITH A PRINTER JAM - RECOVERED
+
+   An end-user wants to submit a print job. The print data is generated
+   dynamically and is being transmitted by a printer driver on the
+   client workstation as available. The client and printer are behind
+   the same corporate firewall. The printer is available to anyone
+   behind the firewall and no authentication and authorization is
+   required. The data is pushed to the printer. The printer is not
+   capable of spooling the output. The printer jams, notifies the user
+   and the user clears the jam and elects to continue.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - document is in Postscript format
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+
+
+
+Wright                        Experimental                     [Page 30]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Print data accepted and printing started
+        - job id = #12345
+
+      < --------------------------------------------------------- +
+        - Notification: printer jammed, cannot continue
+
+      * Jam is clear by human intervention, printing continues
+
+      +---------------------------------------------------------- >
+         Here is the last part of the document to print
+
+      < ----------------------------------------------------------+
+         Print job received
+        - current job state = printing
+        - submission time = 02/12/97, 15:35
+        - printer state = printing
+
+10.15. SUBMITTING A PRINT JOB WITH SERVER PULL
+
+   An end-user wants to submit a print job. The print data is in a file
+   and is publicly available. It is pulled by the printer. The client
+   and printer are behind the same corporate firewall. The printer is
+   available to anyone behind the firewall and no authentication and
+   authorization is required. The printer is capable of spooling the
+   output. Printing may start before the entire job has been pulled.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+        - here is a reference to the data to be printed
+
+      < ----------------------------------------------------------+
+        Print data accepted and printing started
+        - job id = #12345
+        - current state of job = spooled
+        - submission time = 02/12/97, 13:15
+        - printer state = printing
+
+        .
+        .
+       < ----------------------------------------------------------+
+
+
+
+Wright                        Experimental                     [Page 31]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Get the file to be printed
+
+       +---------------------------------------------------------- >
+        Here it is
+
+        Note: Failure to find the file, would end the transaction
+                  with an error at this point and an asynchronous
+                  notification would be send to the Client.
+
+       < ----------------------------------------------------------+
+         Data received
+
+10.16. SUBMITTING A PRINT JOB WITH REFERENCED RESOURCES
+
+   An end-user wants to submit a print job.  Part of the print data is
+   on a file on the user's workstation. It is pushed by the client, but
+   the print job requires some resource not included in the print file.
+   The client and printer are behind the same corporate firewall. The
+   printer is available to anyone behind the firewall and no
+   authentication and authorization is required. The printer is capable
+   of spooling the output. No errors occur.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job name = MyJob
+        - notify me by email when done printing
+        - print on iso-a4-white paper
+        - print on both sides of the paper
+        - return status of the printer in response
+
+      < ----------------------------------------------------------+
+        Print job accepted and spooled
+        - job id = #12345
+        - submission time = 02/12/97, 15:35
+
+      +---------------------------------------------------------- >
+        - here is the document to print
+
+      < ----------------------------------------------------------+
+        - OK
+
+      +---------------------------------------------------------- >
+        - here is the URI to print, it is the last document.
+
+      < ----------------------------------------------------------+
+        - OK
+
+
+
+Wright                        Experimental                     [Page 32]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+       < ----------------------------------------------------------+
+         Get the external resource
+
+       +---------------------------------------------------------- >
+         Here it is
+
+10.17. GETTING CAPABILITIES
+
+10.17.1. Submission Attributes
+
+   An end-user wants to get the production and scheduling attributes
+   that are supported or required when submitting jobs to this printer.
+   The client will use these attributes when forming the subsequent
+   print request.
+
+   Client                                        IPP Printer
+      +---------------------------------------------------------- >
+        I'm going to submit a Postscript job
+        give me your job submission attributes
+
+      < ----------------------------------------------------------+
+        Postscript production attributes for this Printer are:
+        - medium-select = us-letter-white, us-legal-white
+           - default is us-letter-white
+           -   copies = 1,2,3,4,5
+           - default is 1
+                - print-quality = draft, normal, high
+           - default is draft
+                - sides = 1-sided, 2-sided-long-edge
+           - default is 2-sided-long-edge
+        - Job scheduling attributes for this Printer are:
+             - job-priority = 1,2,3
+           - default = 3
+
+10.17.2. Printer Capabilities
+
+   An end-user wants to determine the resolution, marking technology,
+   and PDLs supported by the printer.
+
+   Client                                        IPP Printer
+      +---------------------------------------------------------- >
+        Please tell me the
+        - resolution of the printer
+        - the marking technology of the printer
+        - PDLs supported
+      < ----------------------------------------------------------+
+        Printer resolution  = 600 dpi
+        Marking Technology = laser
+
+
+
+Wright                        Experimental                     [Page 33]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        PDLs supported = Postscript level 2, PCL/6
+
+10.18. GETTING STATUS
+
+10.18.1. Printer State/Status
+
+   An end-user wants to determine the state or status of the printer.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        What is the state of the printer?
+
+      < ----------------------------------------------------------+
+        Printer state = out-of-paper
+
+10.18.2. Job Status
+
+   An end user wants to get the status of a job he has submitted.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Please tell me the status of job #12345
+
+      < ----------------------------------------------------------+
+        Job #12345 is queued
+        it is number 3 in the queue
+        printer state = printing
+
+10.18.3. Status of All My Jobs
+
+   An end user wants to get a list of all of the jobs he has submitted
+   to this Printer.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+        Please tell me the status of my jobs
+
+      < ----------------------------------------------------------+
+        Job #00012 is complete
+        Printed at 12:35 on 01/23/97
+
+        Job #09876 is printing
+
+        Job #12345 is queued
+        it is number 3 in the queue
+
+
+
+Wright                        Experimental                     [Page 34]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Job #34567 is queued
+        it is number 7 in the queue
+
+10.19. ASYNCHRONOUS NOTIFICATION
+
+10.19.1. Job Completion
+
+   An end-user wants to get notification of events that affect his print
+   jobs. Print job completes without error.
+
+   Client                                        IPP Printer
+
+      < ----------------------------------------------------------+
+        Print job #123 completed
+
+10.19.2. Job Complete with Data
+
+   An end-user wants to get notification of events that affect his print
+   jobs. Print job completes, users asked for all end of job
+   information.
+
+   Client                                        IPP Printer
+
+      < ----------------------------------------------------------+
+        Print job #123 completed
+        - total pages printed = 15
+        - number of copies printed = 3
+        - total cost to print = $7.45
+        - pick up copies in room H-6, building 005
+
+10.19.3. Print Job Fails
+
+   An end-user wants to get notification of events that affect his print
+   jobs. Print job fails. Printer is unattended.
+
+   Client                                        IPP Printer
+
+      < ----------------------------------------------------------+
+        Print job #123 failed
+        - total pages printed = 15
+        - number of pages submitted = 25
+        - printer-state = jammed
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 35]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+10.20. CANCEL A JOB
+
+   The end-user submits a print job and later decides to cancel it.
+
+   Client                                        IPP Printer
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Authentication.
+
+
+      +---------------------------------------------------------- >
+        Cancel job #1234
+
+      < ----------------------------------------------------------+
+        Job #1234 Canceled
+
+
+10.21. END TO END SCENARIO - WITHIN AN ENTERPRISE
+
+   An office worker prints on shared departmental printers. All printers
+   in the office are public, that is, no authentication or authorization
+   is required. Printers are protected from external access by a
+   firewall. No billing or accounting is required. Most printing is done
+   from desktop applications. A help desk is provided for printing
+   problems. Standard operating systems and applications are used.
+   Drivers are available, but are installed manually by support
+   personnel. This scenario assumes that drivers have been installed and
+   that drivers are not IPP aware, that is, they cannot communicate
+   across an IPP connection to obtain status and capabilities. IPP
+   printers appear in application pull-down menus.  Printer
+   configuration data is hard wired into the driver.
+
+   End-user selects print from the application pull down menu. An IPP
+   printer is selected from the list of Printers offered
+
+   The driver puts up a dialogue with hard-wired set of options for this
+   printer. The end-user makes choices and submits job.
+
+   Client                                        IPP Printer
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job-name = memo-to-boss
+        - notify me by email when job is complete
+        - print on us-letter-white paper
+        - print 1 copy
+        - print at normal quality
+        - print on 1 side
+
+
+
+Wright                        Experimental                     [Page 36]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        - give me the state of the printer in response
+
+   The driver generates the print data and passes it to the IPP driver a
+   piece at a time as it is generated.
+
+      +---------------------------------------------------------- >
+        Here is the print data
+
+
+      < ----------------------------------------------------------+
+        Print data received, file is spooled
+        - printer state = printing
+        - time submitted = 2/12/97, 15:35
+        - current job state = spooled
+
+   Client adds this job to list of current jobs. List of jobs and state
+   of each is available on a pull-down menu on the client.
+
+   End-user selects job #1234 from list and clicks on it to see its
+   status.
+
+      +---------------------------------------------------------- >
+        Give me the state of job #1234
+        and the state of the Printer
+
+      < ----------------------------------------------------------+
+        Job #1234 state = spooled
+        - it is number 3 in the queue
+        - printer state = printing
+
+   The job completes without error
+
+      < ----------------------------------------------------------+
+        Job #1234 completed
+        12 of 12 pages printed
+
+10.22. END TO END SCENARIO - ACROSS ENTERPRISES
+
+   An office worker in Company A needs to print an office document on a
+   "public" printer at Company B, a business partner. Both companies
+   have corporate firewalls so the print request must flow out of A's
+   firewall and into B's firewall. The office worker can look at public
+   printers in Company B's directory service. The document is generated
+   by a desktop application. Since the printer is "public" no
+   authentication or authorization is required.  A driver is downloaded.
+   The driver is IPP aware, that is, it can communicate dynamically
+   through the IPP protocol layer to obtain information about the
+   printer.
+
+
+
+Wright                        Experimental                     [Page 37]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+   Client                      Company B's Directory Service
+
+   End user connects to B's Directory service
+
+      +---------------------------------------------------------- >
+        Find a Printer with these characteristics
+        - public (no authorization or authentication required)
+        - is in Lexington, building 004
+        - prints black and white
+
+      < ----------------------------------------------------------+
+        Printer "Public-A"
+        - http://www.lexmark.com/pubprinter/a
+
+        Printer "Public-B"
+        - http://www.lexmark.com/pubprinter/b
+
+   End user selects Public-A
+
+   Client                                           Public-A
+
+      +---------------------------------------------------------- >
+        Where can I find a driver for you?
+
+      < ----------------------------------------------------------+
+        Drivers at http://www.lexmark.com/pubprinters/a/os245
+
+   End user gets driver and installs it on his PC.
+
+   End-user selects print from the application pull down menu. "Public-
+   A" is selected from the list of Printers offered
+
+      +---------------------------------------------------------- >
+        I'm going to submit a print job
+        give me your job submission attributes
+
+      < ----------------------------------------------------------+
+
+        Production attributes for this Printer are:
+        - medium-select = us-letter-white, us-legal-white
+           - default is us-letter-white
+           -   copies = 1,2,3,4,5
+           - default is 1
+                - print-quality = draft, normal, high
+           - default is draft
+                - sides = 1-sided, 2-sided-long-edge
+           - default is 2-sided-long-edge
+
+
+
+
+Wright                        Experimental                     [Page 38]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Job scheduling attributes for this Printer are:
+        - job-priority = 1,2,3
+           default = 3
+
+   Driver puts up dialogue with available options and fills in the
+   defaults.
+
+   End-user makes choices and submits job
+
+      +---------------------------------------------------------- >
+        Here is a print job
+        - job-name = memo-to-Don-Wright
+        - notify me by email when job is complete
+        - print on us-letter-white paper
+        - print 1 copy
+        - print at normal quality
+        - print on 1 side
+        - give me the state of the printer in response
+
+
+   The driver generates the print data and passes it to the IPP driver a
+   piece at a time.
+
+      +---------------------------------------------------------- >
+        Here is the print data
+
+      < ----------------------------------------------------------+
+        Print data received, and spooling started
+        print job id = #1234
+
+        Print data received, file is spooled
+
+        - printer state = printing
+        - time submitted = 2/12/97, 15:35
+        - current job state = spooled
+
+   Client adds this job to list of current jobs.  List of jobs and state
+   of each is available on a pull-down menu on the client.
+
+   End-user selects job #1234 from list and clicks on it to see its
+   status.
+
+      +---------------------------------------------------------- >
+        Give me the state of job #1234
+        and the state of the Printer
+
+      < ----------------------------------------------------------+
+        Job #1234 state = spooled
+
+
+
+Wright                        Experimental                     [Page 39]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        - it is number 3 in the queue
+        - printer state = printing
+
+       * The job completes without error
+      < ----------------------------------------------------------+
+        Job #1234 completed
+        12 of 12 pages printed
+
+10.23. END TO END SCENARIO - ON THE INTERNET
+
+   An executive in her hotel room is finishing an important presentation
+   on her laptop computer. She connects to a local print shop through
+   the web to get a copy of her charts printed for tomorrow's
+   presentation.  She must find a print shop that is convenient and can
+   print color transparencies. She must download and temporarily install
+   a driver in order to generate the PDL required by the print shop.
+   Mutual authentication is required by the print shop and payment must
+   be made in advance. The job is encrypted on the wire to prevent
+   eavesdropping.
+
+   End-user completes presentation. She goes to the web and connects to
+   the SirZippy home page.
+
+      Client                      SirZippy Directory Service
+      +---------------------------------------------------------- >
+
+        Find me a printer with these characteristics
+        - Near Market Street in San Jose
+        - Prints color transparencies
+        - drivers can be downloaded
+        - supports privacy (encryption)
+        -
+
+   Available Printers matching these characteristics are looked up in the
+   Directory Service
+
+      < ----------------------------------------------------------+
+
+        Printer "Color-A"
+        - located at 123 First Street in San Jose
+        - URI is http://www.SirZippy.com/FirstStreet/Color-A
+        - prints color transparencies
+        - 600 dpi laser
+        - driver ABC-Postscript-V1.3 available at this URI
+        - cost = $.75 per page
+        - authentication required to use printer
+        - payment required prior to printing
+
+
+
+
+Wright                        Experimental                     [Page 40]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Printer "Color-B"
+        - located at 67 San Carlos Street, San Jose
+        - URI is http://www.SirZippy.com/SanCarlos/Color-B
+        - prints color transparencies
+        - 1200 dpi laser
+        - driver XYZ-PostScript-V4.3 available at this URI
+        - cost = $1.25 per page
+        - authentication required to use printer
+        - payment required prior to printing
+        - more information at this URI
+
+   The user decides to use the first printer because it is closer. She
+   connects to the URI given to get a driver.
+
+   Client                                         Driver URI
+
+      +---------------------------------------------------------- >
+        I need a driver for "Color-A"
+
+
+      < ----------------------------------------------------------+
+         Driver installer is at http://www.xerox.com/prtdrvrs
+
+        Driver is installed
+
+        User connects to
+        "Color-A"
+
+   Client                              IPP Printer "Color-A"
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Mutual authentication and exchange of secret keys
+
+      +---------------------------------------------------------- >
+        I'm going to submit a print job
+        give me your job submission attributes
+
+      < ----------------------------------------------------------+
+        Production attributes for this Printer are:
+        - medium-select = us-letter-white, us-legal-white
+             - default is us-letter-white
+        - copies = 1,2,3,4,5
+             - default is 1
+        - print-quality = draft, normal, high
+             - default is draft
+        - sides = 1-sided, 2-sided-long-edge
+             - default is 2-sided-long-edge
+
+
+
+Wright                        Experimental                     [Page 41]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+        Job scheduling attributes for this Printer are:
+        - job-priority = 1,2,3
+           default = 3
+
+   Driver puts up dialogue with available options and fills in the
+   defaults.
+
+   End-user makes choices and submits job
+
+      +---------------------------------------------------------- >
+         Here is a print job
+
+        - job-name = presentation
+        - notify me by email when job is complete
+        - print on us-letter-transparency
+        - print 1 copy
+        - print at high quality
+        - print by 9:00 am tomorrow morning
+        - give me the state of the printer in response
+
+   The driver generates the print data and passes it to the IPP  driver a
+   piece at a time.
+
+      +---------------------------------------------------------- >
+       Here is the print data
+
+       < ---------------------------------------------------------+
+       Print data received, and spooling started
+       print job id = #1234
+
+       Print data received, file is spooled
+        - printer state = printing
+        - time submitted = 2/12/97, 15:35
+        - current job state = held, waiting for payment
+
+      +---------------------------------------------------------- >
+      < ----------------------------------------------------------+
+        Payment transaction
+
+      < ----------------------------------------------------------+
+        Job is scheduled to print, pick up after 9:00am tomorrow
+        Thank you for using SirZippy
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 42]
+
+RFC 2567             Internet Printing Design Goals           April 1999
+
+
+11.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Wright                        Experimental                     [Page 43]
+
diff --git a/standards/rfc2568.txt b/standards/rfc2568.txt
new file mode 100644
index 000000000..2d3ae4905
--- /dev/null
+++ b/standards/rfc2568.txt
@@ -0,0 +1,563 @@
+
+
+
+
+
+
+Network Working Group                                          S. Zilles
+Request for Comments: 2568                            Adobe Systems Inc.
+Category: Experimental                                        April 1999
+
+
+         Rationale for the Structure of the Model and Protocol
+                   for the Internet Printing Protocol
+
+Status of this Memo
+
+   This memo defines an Experimental Protocol for the Internet
+   community.  It does not specify an Internet standard of any kind.
+   Discussion and suggestions for improvement are requested.
+   Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+IESG Note
+
+   This document defines an Experimental protocol for the Internet
+   community.  The IESG expects that a revised version of this protocol
+   will be published as Proposed Standard protocol.  The Proposed
+   Standard, when published, is expected to change from the protocol
+   defined in this memo.  In particular, it is expected that the
+   standards-track version of the protocol will incorporate strong
+   authentication and privacy features, and that an "ipp:" URL type will
+   be defined which supports those security measures.  Other changes to
+   the protocol are also possible.  Implementors are warned that future
+   versions of this protocol may not interoperate with the version of
+   IPP defined in this document, or if they do interoperate, that some
+   protocol features may not be available.
+
+   The IESG encourages experimentation with this protocol, especially in
+   combination with Transport Layer Security (TLS) [RFC2246], to help
+   determine how TLS may effectively be used as a security layer for
+   IPP.
+
+ABSTRACT
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP).  IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies. This document describes IPP
+   from a high level view, defines a roadmap for the various documents
+   that form the suite of IPP specifications, and gives background and
+   rationale for the IETF working group's major decisions.
+
+
+
+Zilles                        Experimental                      [Page 1]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+   The full set of IPP documents includes:
+
+      Design Goals for an Internet Printing Protocol [RFC2567]
+      Rationale for the Structure and Model and Protocol for the
+      Internet Printing Protocol (this document)
+      Internet Printing Protocol/1.0: Model and Semantics [RFC2566]
+      Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+      Internet Printing Protocol/1.0: Implementer's Guide [ipp-iig]
+      Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  The Design Goals document calls out a subset of end
+   user requirements that are satisfied in IPP/1.0. Operator and
+   administrator requirements are out of scope for version 1.0.
+
+   The "Internet Printing Protocol/1.0: Model and Semantics" document
+   describes a simplified model consisting of abstract objects, their
+   attributes, and their operations that is independent of encoding and
+   transport.  The model consists of a Printer and a Job object.  The
+   Job optionally supports multiple documents.  This document also
+   addresses security, internationalization, and directory issues.
+
+   The "Internet Printing Protocol/1.0: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1.  It defines the encoding rules
+   for a new Internet media type called "application/ipp".
+
+   The "Internet Printing Protocol/1.0: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.0 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+1.   ARCHITECTURAL OVERVIEW
+
+   The Internet Printing Protocol (IPP) is an application level protocol
+   that can be used for distributed printing on the Internet.  This
+   protocol defines interactions between a client and a server.  The
+
+
+
+Zilles                        Experimental                      [Page 2]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+   protocol allows a client to inquire about capabilities of a printer,
+   to submit print jobs and to inquire about and cancel print jobs. The
+   server for these requests is the Printer; the Printer is an
+   abstraction of a generic document output device and/or a print
+   service provider. Thus, the Printer could be a real printing device,
+   such as a computer printer or fax output device, or it could be a
+   service that interfaced with output devices.
+
+   The protocol is heavily influenced by the printing model introduced
+   in the Document Printing Application (DPA) [ISO10175] standard.
+   Although DPA specifies both end user and administrative features, IPP
+   version 1.0 (IPP/1.0) focuses only on end user functionality.
+
+   The architecture for IPP defines (in the Model and Semantics document
+   [RFC2566]) an abstract Model for the data which is used to control
+   the printing process and to provide information about the process and
+   the capabilities of the Printer. This abstract Model is hierarchical
+   in nature and reflects the structure of the Printer and the Jobs that
+   may be being processed by the Printer.
+
+   The Internet provides a channel between the client and the
+   server/Printer. Use of this channel requires flattening and
+   sequencing the hierarchical Model data. Therefore, the IPP also
+   defines (in the Encoding and Transport document [RFC2565]) an
+   encoding of the data in the model for transfer between the client and
+   server.  This transfer of data may be either a request or the
+   response to a request.
+
+   Finally, the IPP defines (in the Encoding and Transport document
+   [RFC2565]) a protocol for transferring the encoded request and
+   response data between the client and the server/Printer.
+
+   An example of a typical interaction would be a request from the
+   client to create a print job. The client would assemble the Model
+   data to be associated with that job, such as the name of the job, the
+   media to use, the number of pages to place on each media instance,
+   etc. This data would then be encoded according to the Protocol and
+   would be transmitted according to the Protocol. The server/Printer
+   would receive the encoded Model data, decode it into a form
+   understood by the server/Printer and, based on that data, do one of
+   two things: (1) accept the job or (2) reject the job. In either case,
+   the server must construct a response in terms of the Model data,
+   encode that response according to the Protocol and transmit that
+   encoded Model data as the response to the request using the Protocol.
+
+   Another part of the IPP architecture is the Directory Schema
+   described in the model document. The role of a Directory Schema is to
+   provide a standard set of attributes which might be used to query a
+
+
+
+Zilles                        Experimental                      [Page 3]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+   directory service for the URI of a Printer that is likely to meet the
+   needs of the client. The IPP architecture also addresses security
+   issues such as control of access to server/Printers and secure
+   transmissions of requests, response and the data to be printed.
+
+2. THE PRINTER
+
+   Because the (abstract) server/Printer encompasses a wide range of
+   implementations, it is necessary to make some assumptions about a
+   minimal implementation. The most likely minimal implementation is one
+   that is embedded in an output device running a specialized real time
+   operating system and with limited processing, memory and storage
+   capabilities. This printer will be connected to the Internet and will
+   have at least a TCP/IP capability with (likely) SNMP [RFC1905,
+   RFC1906] support for the Internet connection. In addition, it is
+   likely the the Printer will be an HTML/HTTP server to allow direct
+   user access to information about the printer.
+
+3. RATIONALE FOR THE MODEL
+
+   The Model [RFC2566] is defined independently of any encoding of the
+   Model data both to support the likely uses of IPP and to be robust
+   with respect to the possibility of alternate encoding.
+
+   It is expected that a client or server/Printer would represent the
+   Model data in some data structure within the applications/servers
+   that support IPP. Therefore, the Model was designed to make that
+   representation straightforward. Typically a parser or formatter would
+   be used to convert from or to the encoded data format. Once in an
+   internal form suitable to a product, the data can be manipulated by
+   the product. For example, the data sent with a Print Job can be used
+   to control the processing of that Print Job.
+
+   The semantics of IPP are attached to the (abstract) Model.
+   Therefore, the application/server is not dependent on the encoding of
+   the Model data, and it is possible to consider alternative mechanisms
+   and formats by which the data could be transmitted from a client to a
+   server; for example, a server could have a direct, client-less GUI
+   interface that might be used to accept some kinds of Print Jobs. This
+   independence would also allow a different encoding and/or
+   transmission mechanism to be used if the ones adopted here were shown
+   to be overly limiting in the future. Such a change could be migrated
+   into new products as an alternate protocol stack/parser for the Model
+   data.
+
+
+
+
+
+
+
+Zilles                        Experimental                      [Page 4]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+   Having an abstract Model also allows the Model data to be aligned
+   with the (abstract) model used in the Printer [RFC1759], Job and Host
+   Resources MIBs. This provides consistency in interpretation of the
+   data obtained independently of how the data is accessed, whether via
+   IPP or via SNMP [RFC1905, RFC1906] and the Printer/Job MIBs.
+
+   There is one aspect of the Model that deserves some extra
+   explanation. There are two ways for identifying a Job object: (a)
+   with a Job URI and (b) using a combination of the Printer URI and a
+   Job ID (a 32 bit positive integer). Allowing Job objects to have URIs
+   allows for flexibility and scalability. For example a job could be
+   moved from a printer with a large backlog to one with a smaller load
+   and the job identification, the Job object URI, need not change.
+   However, many existing printing systems have local models or
+   interface constraints that force Job objects to be identified using
+   only a 32-bit positive integer rather than a URI.  This numeric Job
+   ID is only unique within the context of the Printer object to which
+   the create request was originally submitted.  In order to allow both
+   types of client access to Jobs (either by Job URI or by numeric Job
+   ID), when the Printer object successfully processes a create request
+   and creates a new Job, the Printer object generates both a Job URI
+   and a Job ID for the new Job object. This requirement allows all
+   clients to access Printer objects and Job objects independent of any
+   local constraints imposed on the client implementation.
+
+4. RATIONALE FOR THE PROTOCOL
+
+   There are two parts to the Protocol: (1) the encoding of the Model
+   data and (2) the mechanism for transmitting the model data between
+   client and server.
+
+4.1 The Encoding
+
+   To make it simpler to develop embedded printers, a very simple binary
+   encoding has been chosen. This encoding is adequate to represent the
+   kinds of data that occur within the Model. It has a simple structure
+   consisting of sequences of attributes. Each attribute has a name,
+   prefixed by a name length, and a value. The names are strings
+   constrained to characters from a subset of ASCII.  The values are
+   either scalars or a sequence of scalars. Each scalar value has a
+   length specification and a value tag which indicates the type of the
+   value. The value type has two parts: a major class part, such as
+   integer or string, and a minor class part which distinguishes the
+   usage of the major class, such as dateTime string. Tagging of the
+   values with type information allows for introducing new value types
+   at some future time.
+
+
+
+
+
+Zilles                        Experimental                      [Page 5]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+   A fully encoded request/response has a version number, an operation
+   (for a request) or a status and optionally a status message (for a
+   response), associated parameters and attributes which are encoded
+   Model data and, optionally (for a request), print data following the
+   Model data.
+
+4.2 The Transmission Mechanism
+
+   The chosen mechanism for transmitting the encoded Model data is HTTP
+   1.1 Post (and associated response). No modifications to HTTP 1.1 are
+   proposed or required. The sole role of the Transmission Mechanism is
+   to provide a transfer of encoded Model data from/to the client
+   to/from the server. This could be done using any data delivery
+   mechanism. The key reasons why HTTP 1.1 Post is used are given below.
+   The most important of these is the first. With perhaps this
+   exception, these reasons could be satisfied by other mechanisms.
+   There is no claim that this list uniquely determines a choice of
+   mechanism.
+
+      1. HTTP 1.0 is already widely deployed and, based on the recent
+      evidence, HTTP 1.1 is being widely deployed as the manufacturers
+      release new products. The performance benefits of HTTP 1.1 have
+      been shown and manufactures are reacting positively.
+
+      Wide deployment has meant that many of the problems of making a
+      protocol work in a wide range of environments from local net to
+      Intranet to Internet have been solved and will stay solved with
+      HTTP 1.1 deployment.
+
+      2. HTTP 1.1 solves most of the problems that might have required a
+      new protocol to be developed. HTTP 1.1 allows persistent
+      connections that make a multi-message protocol be more efficient;
+      for example it is practical to have separate Create-Job and Send-
+      Document messages. Chunking allows the transmission of large print
+      files without having to pre-scan the file to determine the file
+      length. The accept headers allow the client's protocol and
+      localization desires to be transmitted with the IPP operations and
+      data. If the Model were to provide for the redirection of Job
+      requests, such as Cancel-Job, when a Job is moved, the HTTP
+      redirect response allows a client to be informed when a Job he is
+      interested in is moved to another server/Printer for any reason.
+
+      3. Most network Printers will be implementing HTTP servers for
+      reasons other than IPP. These network attached Printers want to
+      provide information on how to use the printer, its current state,
+      HELP information, etc. in HTML. This requires having an HTTP
+      server which would be available to do IPP functions as well.
+
+
+
+
+Zilles                        Experimental                      [Page 6]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+      4.  Most of the complexity of HTTP 1.1 is concerned with the
+      implementation of HTTP proxies and not the implementation of HTTP
+      clients and/or servers. Work is proceeding in the HTTP Working
+      Group to help identify what must be done by a server.  As the
+      Encoding and Transport document shows, that is not very much.
+
+      5. HTTP implementations provide support for handling URLs that
+      would have to be provided if a new protocol were defined.
+
+      6. An HTTP based solution fits well with the Internet security
+      mechanisms that are currently deployed or being deployed. HTTP
+      will run over SSL3. The digest access authentication mechanism of
+      HTTP 1.1 provides an adequate level of access control. These
+      solutions are deployed and in practical use; a new solution would
+      require extensive use to have the same degree of confidence in its
+      security.  Note: SSL3 is not on the IETF standards track.
+
+      7. HTTP provides an extensibility model that a new protocol would
+      have to develop independently. In particular, the headers,
+      intent-types (via Internet Media Types) and error codes have wide
+      acceptance and a useful set of definitions and methods for
+      extension.
+
+      8. Although not strictly a reason why IPP should use HTTP as the
+      transmission protocol, it is extremely helpful that there are many
+      prototyping tools that work with HTTP and that CGI scripts can be
+      used to test and debug parts of the protocol.
+
+      9. Finally, the POST method was chosen to carry the print data
+      because its usage for data transmission has been established, it
+      works and the results are available via CGI scripts or servlets.
+      Creating a new method would have better identified the intended
+      use of the POSTed data, but a new method would be more difficult
+      to deploy. Assigning a new default port for IPP provided the
+      necessary identification with minimal impact to installed
+      infrastructure, so was chosen instead.
+
+5. RATIONALE FOR THE DIRECTORY SCHEMA
+
+      Successful use of IPP depends on the client finding a suitable IPP
+      enabled Printer to which to send a IPP requests, such as print a
+      job. This task is simplified if there is a Directory Service which
+      can be queried for a suitable Printer. The purpose of the
+      Directory Schema is to have a standard description of Printer
+      attributes that can be associated the URI for the printer. These
+      attributes are a subset of the Model attributes and can be encoded
+      in the appropriate query syntax for the Directory Service being
+      used by the client.
+
+
+
+Zilles                        Experimental                      [Page 7]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+6. SECURITY CONSIDERATIONS - RATIONALE FOR SECURITY
+
+      Security is an area of active work on the Internet. Complete
+      solutions to a wide range of security concerns are not yet
+      available. Therefore, in the design of IPP, the focus has been on
+      identifying a set of security protocols/features that are
+      implemented (or currently implementable) and solve real problems
+      with distributed printing. The two areas that seem appropriate to
+      support are: (1) authorization to use a Printer and (2) secure
+      interaction with a printer. The chosen mechanisms are the digest
+      authentication mechanism of HTTP 1.1 and SSL3 [SSL] secure
+      communication mechanism.
+
+7. REFERENCES
+
+   [ipp-iig]  Hastings, T. and C. Manros, "Internet Printing
+              Protocol/1.0:Implementer's Guide", Work in Progress.
+
+   [RFC2569]  Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+              "Mapping between LPD and IPP Protocols", RFC 2569, April
+              1999.
+
+   [RFC2566]  deBry, R., Isaacson, S., Hastings, T., Herriot, R. and P.
+              Powell, "Internet Printing Protocol/1.0: Model and
+              Semantics", RFC 2566, April 1999.
+
+   [RFC2565]  Herriot, R., Butler, S., Moore, P. and R. Tuner, "Internet
+              Printing Protocol/1.0: Encoding and Transport", RFC 2565,
+              April 1999.
+
+   [RFC2567]  Wright, D., "Design Goals for an Internet Printing
+              Protocol", RFC 2567, April 1999.
+
+   [ISO10175] ISO/IEC 10175 "Document Printing Application (DPA)", June
+              1996.
+
+   [RFC1759]  Smith, R., Wright, F., Hastings, T., Zilles, S. and J.
+              Gyllenskog, "Printer MIB", RFC 1759, March 1995.
+
+   [RFC1905]  Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
+              "Protocol Operations for Version 2 of the Simple Network
+              Management Protocol (SNMPv2)", RFC 1905, January 1996.
+
+   [RFC1906]  Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
+              "Transport Mappings for  Version 2 of the Simple Network
+              Management Protocol (SNMPv2)", RFC 1906, January 1996.
+
+
+
+
+
+Zilles                        Experimental                      [Page 8]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+   [SSL]      Netscape, The SSL Protocol, Version 3, (Text version
+              3.02), November 1996.
+
+8. AUTHOR'S ADDRESS
+
+   Stephen Zilles
+   Adobe Systems Incorporated
+   345 Park Avenue
+   MailStop W14
+   San Jose, CA 95110-2704
+
+   Phone: +1 408 536-4766
+   Fax:   +1 408 537-4042
+   EMail: szilles@adobe.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Zilles                        Experimental                      [Page 9]
+
+RFC 2568                   Rationale for IPP                  April 1999
+
+
+9.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Zilles                        Experimental                     [Page 10]
+
diff --git a/standards/rfc2569.txt b/standards/rfc2569.txt
new file mode 100644
index 000000000..767857c34
--- /dev/null
+++ b/standards/rfc2569.txt
@@ -0,0 +1,1571 @@
+
+
+
+
+
+
+Network Working Group                                         R. Herriot
+Request For Comments: 2569                             Xerox Corporation
+Category: Experimental                                         N. Jacobs
+                                                  Sun Microsystems, Inc.
+                                                             T. Hastings
+                                                       Xerox Corporation
+                                                               J. Martin
+                                                        Underscore, Inc.
+                                                              April 1999
+
+
+                 Mapping between LPD and IPP Protocols
+
+Status of this Memo
+
+   This memo defines an Experimental Protocol for the Internet
+   community.  It does not specify an Internet standard of any kind.
+   Discussion and suggestions for improvement are requested.
+   Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+IESG Note
+
+   This document defines an Experimental protocol for the Internet
+   community.  The IESG expects that a revised version of this protocol
+   will be published as Proposed Standard protocol.  The Proposed
+   Standard, when published, is expected to change from the protocol
+   defined in this memo.  In particular, it is expected that the
+   standards-track version of the protocol will incorporate strong
+   authentication and privacy features, and that an "ipp:" URL type will
+   be defined which supports those security measures.  Other changes to
+   the protocol are also possible.  Implementors are warned that future
+   versions of this protocol may not interoperate with the version of
+   IPP defined in this document, or if they do interoperate, that some
+   protocol features may not be available.
+
+   The IESG encourages experimentation with this protocol, especially in
+   combination with Transport Layer Security (TLS) [RFC 2246], to help
+   determine how TLS may effectively be used as a security layer for
+   IPP.
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 1]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP). IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies. This document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon). This document describes the mapping between (1) the commands
+   and operands of the 'Line Printer Daemon (LPD) Protocol' specified in
+   RFC 1179 and (2) the operations, operation attributes and job
+   template attributes of the Internet Printing Protocol/1.0 (IPP).  One
+   of the purposes of this document is to compare the functionality of
+   the two protocols.  Another purpose is to facilitate implementation
+   of gateways between LPD and IPP.
+
+   WARNING: RFC 1179 was not on the IETF standards track.  While RFC
+   1179 was intended to record existing practice, it fell short in some
+   areas.  However, this specification maps between (1) the actual
+   current practice of RFC 1179 and (2) IPP.  This document does not
+   attempt to map the numerous divergent extensions to the LPD protocol
+   that have been made by many implementers.
+
+   The full set of IPP documents includes:
+
+      Design Goals for an Internet Printing Protocol [RFC2567]
+      Rationale for the Structure and Model and Protocol for the
+      Internet Printing Protocol [RFC2568]
+      Internet Printing Protocol/1.0: Model and Semantics [RFC2566]
+      Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+      Internet Printing Protocol/1.0: Implementors Guide [ipp-iig]
+      Mapping between LPD and IPP Protocols (this document)
+
+   The document, "Design Goals for an Internet Printing Protocol", takes
+   a broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet. It identifies
+   requirements for three types of users: end users, operators, and
+   administrators. It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0. Operator and administrator requirements are
+   out of scope for version 1.0.
+
+   The document, "Rationale for the Structure and Model and Protocol for
+   the Internet Printing Protocol", describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 2]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   The document, "Internet Printing Protocol/1.0: Model and Semantics",
+   describes a simplified model with abstract objects, their attributes,
+   and their operations. It introduces a Printer and a Job object. The
+   Job object supports multiple documents per Job. It also addresses
+   security, internationalization, and directory issues.
+
+   The document, "Internet Printing Protocol/1.0: Encoding and
+   Transport", is a formal mapping of the abstract operations and
+   attributes defined in the model document onto HTTP/1.1. It defines
+   the encoding rules for a new Internet media type called '
+   application/ipp'.
+
+   This document "Internet Printing Protocol/1.0: Implementer's Guide",
+   gives advice to implementers of IPP clients and IPP objects.
+
+TABLE OF CONTENTS
+
+   1. Introduction.....................................................4
+   2. Terminology......................................................5
+   3. Mapping from LPD Commands to IPP Operations......................5
+   3.1 Print any waiting jobs..........................................6
+   3.2 Receive a printer job...........................................6
+   3.2.1 Abort job.....................................................7
+   3.2.2 Receive control file..........................................7
+   3.2.3 Receive data file.............................................8
+   3.3 Send queue state (short)........................................8
+   3.4 Send queue state (long)........................................10
+   3.5 Remove jobs....................................................12
+   4. Mapping of LPD Control File Lines to IPP Operation and Job
+      Template Attributes.............................................13
+   4.1 Required Job Functions.........................................13
+   4.2 Optional Job Functions.........................................14
+   4.3 Required Document Functions....................................14
+   4.4 Recommended Document Functions.................................16
+   5. Mapping from IPP operations to LPD commands.....................16
+   5.1 Print-Job......................................................16
+   5.2 Print-URI......................................................18
+   5.3 Validate-Job...................................................18
+   5.4 Create-Job.....................................................18
+   5.5 Send-Document..................................................18
+   5.6 Send-URI.......................................................18
+   5.7 Cancel-Job.....................................................18
+   5.8 Get-Printer-Attributes.........................................19
+   5.9 Get-Job-Attributes.............................................19
+   5.10 Get-Jobs......................................................20
+   6. Mapping of IPP Attributes to LPD Control File Lines.............20
+   6.1 Required Job Functions.........................................21
+   6.2 Optional Job Functions.........................................21
+
+
+
+Herriot, et al.               Experimental                      [Page 3]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   6.3 Required Document Functions....................................22
+   7. Security Considerations.........................................23
+   8. References......................................................23
+   9. Authors' Addresses..............................................24
+   10.Appendix A: ABNF Syntax for response of Send-queue-state (short)25
+   11.Appendix B: ABNF Syntax for response of Send-queue-state (long) 26
+   12.Appendix C: Unsupported LPD functions...........................27
+   13.Full Copyright Statement........................................28
+
+1. Introduction
+
+   The reader of this specification is expected to be familiar with the
+   IPP Model and Semantics specification [RFC2566], the IPP Encoding and
+   Transport [RF2565], and the Line Printer Daemon (LPD) protocol
+   specification [RFC1179] as described in RFC 1179.
+
+   RFC 1179 was written in 1990 in an attempt to document existing LPD
+   protocol implementations.  Since then, a number of undocumented
+   extensions have been made by vendors to support functionality
+   specific to their printing solutions.  All of these extensions
+   consist of additional control file commands.  This document does not
+   address any of these vendor extensions.  Rather it addresses existing
+   practice within the context of the features described by RFC 1179.
+   Deviations of existing practice from RFC 1179 are so indicated.
+
+   Other LPD control file commands in RFC 1179 are obsolete. They are
+   intended to work on "text" only formats and are inappropriate for
+   many contemporary document formats that completely specify each page.
+   This document does not address the support of these obsolete
+   features.
+
+   In the area of document formats, also known as page description
+   languages (PDL), RFC 1179 defines a fixed set with no capability for
+   extension.  Consequently, some new PDL's are not supported, and some
+   of those that are supported are sufficiently unimportant now that
+   they have not been registered for use with the Printer MIB [RFC1759]
+   and IPP [RFC2566] [RFC2565], though they could be registered if
+   desired.  See the Printer MIB specification [RFC1759] and/or the IPP
+   Model specification [RFC2566] for instructions for registration of
+   document-formats with IANA.  IANA lists the registered document-
+   formats as "printer languages".
+
+   This document addresses the protocol mapping for both directions:
+   mapping of the LPD protocol to the IPP protocol and mapping of the
+   IPP protocol to the LPD protocol. The former is called the "LPD-to-
+   IPP mapper" and the latter is called the "IPP-to-LPD mapper".
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 4]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   This document is an informational document that is not on the
+   standards track.  It is intended to help implementers of gateways
+   between IPP and LPD.  It also provides an example, which gives
+   additional insight into IPP.
+
+2. Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
+   document are to be interpreted as described in RFC 2119 [RFC2119].
+
+   RFC 1179 uses the word "command" in two contexts: for over-the-wire
+   operations and for command file functions. This document SHALL use
+   the word "command" for the former and the phrase "functions" for the
+   latter.  The syntax of the LPD commands is given using ABNF
+   [RFC2234].
+
+   The following tokens are used in order to make the syntax more
+   readable:
+
+      LF stands for %x0A (linefeed)
+      SP stands for %x20.  (space)
+      DIGIT stands for %x30-39 ("0" to "9")
+
+3. Mapping from LPD Commands to IPP Operations
+
+   This section describes the mapping from LPD commands to IPP
+   operations.  Each of the following sub-sections appear as sub-
+   sections of section 5 of RFC 1179.
+
+   The following table summarizes the IPP operation that the mapper uses
+   when it receives an LPD command. Each section below gives more
+   detail:
+
+      LPD command                IPP operation
+
+
+      print-any-waiting-jobs     ignore
+      receive-a-printer-job      Print-Job or Create-Job/Send-Document
+            send queue state       Get-Printer-Attributes and Get-Jobs
+              (short or long)
+            remove-jobs          Cancel-Job
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 5]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+3.1 Print any waiting jobs
+
+   Command syntax:
+
+     print-waiting-jobs = %x01 printer-name LF
+
+   This command causes the LPD daemon check its queue and print any
+   waiting jobs. An IPP printer handles waiting jobs without such a
+   nudge.
+
+   If the  mapper receives this LPD command, it SHALL ignore it and send
+   no IPP operation.
+
+3.2 Receive a printer job
+
+   Command syntax:
+
+     receive-job = %x02 printer-name LF
+
+   The control file and data files mentioned in the following paragraphs
+   are received via LPD sub-commands that follow this command. Their
+   mapping to IPP commands and attributes is described later in this
+   section.
+
+   The mapper maps the 'Receive a printer job' command to either:
+
+      - the Print-Job operation which includes a single data file or
+      - the Create-Job operation followed by one Send-Document operation
+        for each data file.
+
+   If the IPP printer supports both Create-Job and Send-Document, and if
+   a job consists of:
+
+      - a single data file, the mapper SHOULD use the Print-Job
+        operation, but MAY use the Create-Job and Send-Document
+        operations.
+      - more than one data file, the mapper SHALL use Create-Job
+        followed by one Send-Document for each received LPD data file.
+
+   If the IPP printer does not support both Create-Job and Send-
+   Document, and if a job consists of:
+
+      - a single data file, the mapper SHALL use the PrintJob
+        operation.
+      - more than one data file, the mapper SHALL submit each received
+        LPD data file as a separate Print-Job operation (thereby
+        converting a single LPD job into multiple IPP jobs).
+
+
+
+
+Herriot, et al.               Experimental                      [Page 6]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   If the mapper uses Create-Job and Send-Document, it MUST send the
+   Create-Job operation before it sends any Send-Document operations
+   whether the LPD control file, which supplies attributes for Create-
+   Job, arrives before or after all LPD data files.
+
+   NOTE: This specification does not specify how the mapper maps: the
+   LPD Printer-name operand to the IPP "printer-uri" operation
+   attribute.
+
+   The following three sub-sections gives further details about the
+   mapping from LPD receive-a-printer-job sub-commands.  Each of the
+   following subsections appear as sub-sections of section 6 of RFC
+   1179.
+
+3.2.1 Abort job
+
+   Sub-command syntax:
+
+      abort-job = %x1 LF
+
+   This sub-command of receive-a-printer-job is intended to abort any
+   job transfer in process.
+
+   If the mapper receives this sub-command, it SHALL cancel the job that
+   it is in the process of transmitting.
+
+   If the mapper is in the process of sending a Print-Job or Create-Job
+   operation, it terminates the job either by closing the connection, or
+   performing the Cancel-Job operation with the job-uri that it received
+   from the Print-Job or Create-Job operation.
+
+   NOTE: This sub-command is implied if at any time the connection
+   between the LPD client and server is terminated before an entire
+   print job has been transferred via an LPD Receive-a-printer-job
+   request.
+
+3.2.2 Receive control file
+
+   Sub-command syntax:
+
+   receive-control-file = %x2 number-of-bytes SP name-of-control-file LF
+   number-of-bytes = 1*DIGIT
+   name-of-control-file = "cfA" job-number client-host-name
+                          ; e.g. "cfA123woden"
+   job-number = 3DIGIT
+   client-host-name = <a host name>
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 7]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   This sub-command is roughly equivalent to the IPP Create-Job
+   operation.
+
+   The mapper SHALL use the contents of the received LPD control file to
+   create IPP operation attribute and job template attribute values to
+   transmit with the Print-Job or Create-Job operation.
+
+3.2.3 Receive data file
+
+Sub-command syntax:  %x3 number-of-bytes-in-data-file Name-of-data-file
+
+   receive-data-file = %x03 number-of-bytes SP name-of-data-file LF
+   number-of-bytes = 1*DIGIT
+   name-of-data-file = "df" letter job-number client-host-name
+               ; e.g. "dfA123woden for the first file
+   letter = %x41-5A /  %x61-7A    ;  "A" to "Z", "a" to "z"
+                                  ;  first file is "A",
+                                  ; second "B", and  52nd file is "z"
+   job-number = 3DIGIT
+   client-host-name = <a host name>
+
+   This sub-command is roughly equivalent to the IPP Send-Document
+   operation.
+
+   The mapper SHALL use the contents of the received LPD data file as
+   the data to transmit with the IPP Print-Job or Send-Document
+   operation.
+
+   Although RFC 1179 alludes to a method for passing an unspecified
+   length data file by using an octet-count of zero, no implementations
+   support this feature. The mapper SHALL reject a job that has a value
+   of 0 in the number-of-bytes field.
+
+3.3 Send queue state (short)
+
+   Command syntax:
+
+send-queue-short  = %x03 printer-name *(SP(user-name / job-number)) LF
+
+   The mapper's response to this command includes information about the
+   printer and its jobs. RFC 1179 specifies neither the information nor
+   the format of its response. This document requires the mapper to
+   follow existing practice as specified in this document.
+
+   The mapper SHALL produce a response in the following format which
+   consists of a printer-status line optionally followed by a heading
+   line, and a list of jobs. This format is defined by examples below.
+   Appendix A contains the ABNF syntax.
+
+
+
+Herriot, et al.               Experimental                      [Page 8]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   For an printer with no jobs, the response starts in column 1 and is:
+
+      no entries
+
+   For a printer with jobs, an example of the response is:
+
+     killtree is ready and printing
+     Rank   Owner      Job          Files             Total Size
+     active fred       123          stuff             1204 bytes
+     1st    smith      124          resume, foo       34576 bytes
+     2nd    fred       125          more              99 bytes
+     3rd    mary       126          mydoc             378 bytes
+     4th    jones      127          statistics.ps     4567 bytes
+     5th    fred       128          data.txt          9 bytes
+
+   The column numbers of above headings and job entries are:
+
+     |      |          |            |                 |
+     01     08         19           35                63
+
+   The mapper SHALL produce each field above from the following IPP
+   attribute:
+
+   LPD field IPP attribute          special conversion details
+
+   printer-  printer-state and      For a printer-state of idle or
+   status    printer-state-reasons  processing, the mapper SHALL use
+                                    the formats above.  For stopped,
+                                    the mapper SHALL use printer-
+                                    state-reasons to produce an
+                                    unspecified format for the error.
+   rank      number-of-             the mapper SHALL the format above
+             intervening-jobs
+   owner     job-originating-user-  unspecified conversion; job-
+             name                   originating-user-name may be the
+                                    mapper's user-name
+   job       job-id                 the mapper shall use the job-id
+   files     document-name          the mapper shall create a comma
+                                    separated list of the document-
+                                    names and then truncate this list
+                                    to the first 24 characters
+   total-    job-k-                 the mapper shall multiple the
+   size      octets*copies*1024     value of job-k-octets by 1024 and
+                                    by the value of the "copies"
+                                    attribute.
+
+
+
+
+
+
+Herriot, et al.               Experimental                      [Page 9]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   A mapper SHOULD use the job attribute number-of-intervening-jobs
+   rather than the job's position in a list of jobs to determine 'rank'
+   because a Printer may omit jobs that it wants to keep secret. If a
+   printer doesn't support the job attribute number-of-intervening-jobs,
+   a mapper MAY use the job's position.
+
+   Note: a Printer may set the value of job-originating-user-name to the
+   authenticated user or to the value of "requesting-user-name",
+   depending on the implementation and configuration. For a gateway, the
+   authenticated user is the user-id of the gateway, but the
+   "requesting-user-name" may contain the name of the user who is the
+   gateway's client.
+
+   In order to obtain the information specified above, The LPD-to-IPP
+   mapper SHALL use the Get-Printer-Attributes operation to get
+   printer-status and SHOULD use the Get-Jobs operation to get
+   information about all of the jobs. If the LPD command contains job-
+   numbers or user-names, the mapper MAY handle the filtering of the
+   response. If the LPD command contains job-numbers but no user-names,
+   the mapper MAY use Get-Job-Attributes on each converted job-number
+   rather than Get-Jobs. If the LPD command contains a single user-name
+   but no job-numbers, the mapper MAY use Get-Jobs with the my-jobs
+   option if the server supports this option and if the server allows
+   the client to be a proxy for the LPD user.
+
+   NOTE: This specification does not define how the mapper maps the LPD
+   Printer-name operand to the IPP "printer-uri" operation attribute.
+
+3.4 Send queue state (long)
+
+   Command syntax:
+
+   send-queue-long = %x04 printer-name *(SP(user-name / job-number)) LF
+
+   The mapper's response to this command includes information about the
+   printer and its jobs. RFC 1179 specifies neither the information nor
+   the format of its response. This document requires the mapper to
+   follow existing practice as specified in this document.
+
+   The mapper SHALL produce a response in the following format which
+   consists of a printer-status line optionally followed a list of jobs,
+   where each job consists of a blank line, a description line, and one
+   line for each file. The description line contains the user-name,
+   rank, job-number and host. This format is defined by examples below.
+   Appendix B contain the ABNF syntax.
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 10]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   For an printer with no jobs the response is:
+
+      no entries
+
+   For a printer with jobs, an example of the response is:
+
+      killtree is ready and printing
+
+      fred: active                        [job 123 tiger]
+              2 copies of stuff           602 bytes
+
+      smith: 1st                          [job 124 snail]
+              2 copies of resume          7088 bytes
+              2 copies of foo             10200 bytes
+
+      fred: 2nd                           [job 125 tiger]
+              more                        99 bytes
+
+      The column numbers of above headings and job entries are:
+
+      |       |                           |
+      01      09                          41
+
+   Although the format of the long form is different from the format of
+   the short form, their fields are identical except for a) the copies
+   and host fields which are only in the long form, and b) the "size"
+   field contains the single copy size of each file.  Thus the sum of
+   the file sizes in the "size" field times the value of the "copies"
+   field produces the value for the "Total Size" field in the short
+   form. For fields other than the host and copies fields, see the
+   preceding section.  For the host field see the table below.
+
+      LPD field IPP attribute        special conversion details
+
+      host                           unspecified conversion; job-
+                                     originating-host may be the
+                                     mapper's host
+      copies    copies               the mapper shall assume the
+                                     value of copies precedes the
+                                     string "copies of "; otherwise,
+                                     the value of copies is 1.
+
+   NOTE: This specification does not define how the mapper maps the LPD
+   Printer-name operand to the IPP printer-uri operation attribute.
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 11]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+3.5 Remove jobs
+
+   Command syntax:
+
+      remove-jobs = %x05 printer-name SP agent
+                          *(SP(user-name / job-number)) LF
+
+   The agent operand is the user-name of the user initiating the
+   remove-jobs command. The special user-name 'root' indicates a
+   privileged user who can remove jobs whose user-name differs from the
+   agent.
+
+   The mapper SHALL issue one Cancel-Job operation for each job
+   referenced by the remove-jobs command. Each job-number in the
+   remove-jobs command references a single job. Each user-name in the
+   remove-jobs command implicitly references all jobs owned by the
+   specified user. The active job is implicitly referenced when the
+   remove-jobs command contains neither job-numbers nor user-names. The
+   mapper MAY use Get-Jobs to determine the job-uri of implicitly
+   referenced jobs.
+
+   The mapper SHALL not use the agent name of 'root' when end-users
+   cancel their own jobs.  Violation of this rule creates a potential
+   security violation, and it may cause the printer to issue a
+   notification that misleads a user into thinking that some other
+   person canceled the job.
+
+   If the agent of a remove-jobs command for a job J is the same as the
+   user name specified with the 'P' function in the control file for job
+   J, then the mapper SHALL ensure that the initiator of the Cancel-Job
+   command for job J is the same as job-originating-user for job J.
+
+   Note: This requirement means that a mapper must be consistent in who
+   the receiver perceives as the initiator of IPP operations. The mapper
+   either acts as itself or acts on behalf of another user. The latter
+   is preferable if it is possible. This consistency is necessary
+   between Print-Job/Create-Job and Cancel-Job in order for Cancel-Job
+   to work, but it is also desirable for other operations. For example,
+   Get-Jobs may give more information about job submitted by the
+   initiator of this operation.
+
+   NOTE: This specification does not define how the mapper maps: (1) the
+   LPD printer-name to the IPP "printer-uri" or (2) the LPD job-number
+   to the IPP "job-uri".
+
+   NOTE: This specification does not specify how the mapper maps the LPD
+   user-name to the IPP job-originating-user because the mapper may use
+   its own user-name with jobs.
+
+
+
+Herriot, et al.               Experimental                     [Page 12]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+4. Mapping of LPD Control File Lines to IPP Operation and Job Template
+   Attributes
+
+   This section describes the mapping from LPD control file lines
+   (called 'functions') to IPP operation attributes and job template
+   attributes.  The mapper receives the control file lines via the LPD
+   receive-control-file sub-command.  Each of the LPD functions appear
+   as sub-sections of section 7 of RFC 1179.
+
+   In LPD control file lines, the text operands have a maximum length of
+   31 or 99 while IPP operation attribute and job template attribute
+   values have a maximum of 255 or 1023 octets, depending on the
+   attribute syntax.  Therefore, no data is lost.
+
+   The mapper converts each supported LPD function to its corresponding
+   IPP operation or job template attribute as defined by tables in the
+   subsections that follow. These subsections group functions according
+   to whether they are:
+
+      - required with a job,
+      - optional with a job
+      - required with each document.
+
+   In the tables below, each LPD value is given a name, such as 'h'. If
+   an IPP value uses the LPD value, then the IPP value column contains
+   the LPD name, such as 'h' to denote this.  Otherwise, the IPP value
+   column specifies the literal value.
+
+4.1 Required Job Functions
+
+   The following LPD functions MUST be in a received LPD job. The mapper
+   SHALL receive each of the following LPD functions and SHALL include
+   the information as a operation or job template attribute with each
+   IPP job.  The functions SHOULD be in the order 'H', 'P' and they
+   SHOULD be the first two functions in the control file, but they MAY
+   be anywhere in the control file and in any order:
+
+   LPD function                     IPP
+   name value   description         name          value
+
+   H    h       Originating Host                  h (in security layer)
+   P    u       User identification requesting-   u (and in security
+                                    user-name     layer)
+                none                ipp-          'true'
+                                    attribute-
+                                    fidelity
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 13]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   A mapper MAY send its own host rather than the client's host, and a
+   mapper MAY send its own user-name as user identification rather than
+   the client user. But in any case, the values sent SHALL be compatible
+   with the Cancel-Job operation. The IPP operation MAY have no way to
+   specify an originating host-name.
+
+   The mapper SHALL include ipp-attribute-fidelity = true so that it
+   doesn't have to determine which attributes a printer supports.
+
+4.2 Optional Job Functions
+
+   The following LPD functions MAY be present in a received job. These
+   functions SHOULD follow the required job functions and precede the
+   document functions, but they MAY be anywhere in the control file.
+
+   If the mapper receives such an LPD function, the mapper SHALL include
+   the corresponding IPP attribute with the value converted as specified
+   in the table below.  If the mapper does not receive such an LPD
+   attribute, the mapper SHALL NOT include the corresponding IPP
+   attribute, except the 'L' LPD function whose absence has a special
+   meaning as noted in the table.
+
+   LPD function                  IPP
+   name value  description       name         value
+
+   J    j      Job name for      job-name     j
+               banner page
+   L    l      Print banner page job-sheets   'standard' if 'L' is
+                                              present
+                                              'none' if 'L' is present
+   M    m      Mail When Printed              IPP has no notification
+                                              mechanism. To support
+                                              this LPD feature, the
+                                              gateway must poll using
+                                              the Get-Job-Attributes
+                                              operation.
+
+4.3 Required Document Functions
+
+   The mapper SHALL receive one set of the required document functions
+   with each copy of a document, and SHALL include the converted
+   information as operation or job template attributes with each IPP
+   document.
+
+   If the control file contains required and recommended document
+   functions, the required functions SHOULD precede the recommended ones
+   and if the job contains multiple documents, all the functions for
+
+
+
+
+Herriot, et al.               Experimental                     [Page 14]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   each document are grouped together as shown in the example of section
+   6.3 "Required Document Functions". However, the document functions
+   MAY be in any order.
+
+   LPD function                   IPP
+   name value description         name             value
+
+   f     fff  Print formatted     document-format  'application/octet-
+              file                                 stream'
+   l     fff  Print file leaving  document-format  'application/octet-
+              control characters                   stream'
+   o     fff  Print Postscript    document-format  'application/PostScri
+              output file                          pt'
+                                  copies           see note
+
+   Note: In practice, the 'f' LPD function is often overloaded. It is
+   often used with any format of document data including PostScript and
+   PCL data.
+
+   Note: In practice, the 'l' LPD function is often used as a rough
+   equivalent to the 'f' function.
+
+   Note: When RFC 1179 was written, no implementation supported the 'o'
+   function; instead 'f' was used for PostScript. Windows NT now sends '
+   o' function for a PostScript file.
+
+   Note: the value 'fff' of the 'f', 'l' and 'o' functions is the name
+   of the data file as transferred, e.g. "dfA123woden".
+
+   If the mapper receives any other lower case letter, the mapper SHALL
+   reject the job because the document contains a format that the mapper
+   does not support.
+
+   The mapper determines the number of copies by counting the number of
+   occurrences of each 'fff' file with one of the lower-case functions
+   above. For example, if 'f dfA123woden' occurs 4 times, then copies
+   has a value of 4. Although the LPD protocol allows the value of
+   copies to be different for each document, the commands and the
+   receiving print systems don't support this.
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 15]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+4.4 Recommended Document Functions
+
+   The mapper SHOULD receive one set of the recommended document
+   functions with each document, and SHOULD include the converted
+   information as an operation or job template attribute with each IPP
+   document. The functions SHOULD be received in the order 'U' and 'N',
+   but they MAY arrive in any order.
+
+   LPD function                       IPP
+   name  value   description          name              value
+
+   U     fff                          ignored
+   N     n       Name of source file  document-name     n
+
+   Note: the value 'fff' of the 'U' function is the name of the data
+   file as transferred, e.g. "dfA123woden".
+
+5. Mapping from IPP operations to LPD commands
+
+   If the IPP-to-LPD mapper receives an IPP operation, the following
+   table summarizes the LPD command that it uses. Each section below
+   gives the detail. Each of the following sub-sections appear as sub-
+   sections of section 3 in the document "Internet Printing
+   Protocol/1.0: Model and Semantics" [RFC2566].
+
+   IPP operation                     LPD command
+
+   Print-Job or Print-URI or         receive-a-printer-job
+   Create-Job/Send-Document/Send-URI and then print-any-waiting-jobs
+   Validate-Job                      implemented by the mapper
+   Cancel-Job                        remove-jobs
+   Get-Printer-Attributes, Get-Job-  send queue state (short or long)
+   Attributes or Get-Jobs
+
+5.1 Print-Job
+
+   The mapper SHALL send the following commands in the order listed
+   below:
+
+      - receive-a-printer-job command
+      - both receive-control-file sub-command and receive-data-file
+        sub-command (unspecified order, see Note below)
+      - print-any-waiting-jobs command, except that if the mapper is
+        sending a sequence of receive a printer-job commands, it MAY
+        omit sending print-any-waiting-jobs after any receive a
+        printer-job command that is neither the first nor last command
+        in this sequence
+
+
+
+
+Herriot, et al.               Experimental                     [Page 16]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   Note: it is recommended that the order of the receive-control-file
+   subcommand and the receive-data-file sub-command be configurable
+   because either order fails for some print systems. Some print systems
+   assume that the control file follows all data files and start
+   printing immediately on receipt of the control file. When such a
+   print system tries to print a data file that has not arrived, it
+   produces an error.  Other print systems assume that the control file
+   arrives before the data files and start printing when the first data
+   file arrives. Such a system ignores the control information, such as
+   banner page or copies.
+
+   NOTE: This specification does not define the mapping between the IPP
+   printer-uri and the LPD printer-name.
+
+   The mapper SHALL send the IPP operation attributes and job template
+   attributes received from the operation to the LPD printer by using
+   the LPD receive-control-file sub-command. The mapper SHALL create the
+   LPD job-number for use in the control file name, but the receiving
+   printer MAY, in some circumstances, assign a different job-number to
+   the job.  The mapper SHALL create the IPP job-id and IPP job-uri
+   returned in the Print-Job response.
+
+   NOTE: This specification does not specify how the mapper determines
+   the LPD job-number, the IPP job-id or the IPP job-uri of a job that
+   it creates nor does it specify the relationship between the IPP job-
+   uri, IPP the job-id and the LPD job-number, both of which the mapper
+   creates.  However, it is likely that the mapper will use the same
+   integer value for both the LPD job-number and the IPP job-id, and
+   that the IPP Job-uri is the printer's URI with the job-id
+   concatenated on the end.
+
+   The mapper SHALL send data received in the IPP operation to the LPD
+   printer by using the LPD receive-data-file sub-command. The mapper
+   SHALL specify the exact number of bytes being transmitted in the
+   number-of-bytes field of the receive-data-file sub-command. It SHALL
+   NOT use a value of 0 in this field.
+
+   If the mapper, while it is transmitting a receive-a-printer-job
+   command or sub-command, either detects that its IPP connection has
+   closed or receives a Cancel-Job operation, the mapper SHALL terminate
+   the LPD job either with the abort sub-command or the remove-jobs
+   command.
+
+   This document does not address error code conversion.
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 17]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+5.2 Print-URI
+
+   The mapper SHALL handle this operation in the same way as a Print-Job
+   operation except that it SHALL obtain data referenced by the
+   "document-uri" operation attribute and SHALL then treat that data as
+   if it had been received via a Print-Job operation.
+
+5.3 Validate-Job
+
+   The mapper SHALL perform this operation directly. Because LPD
+   supports very few attributes, this operation doesn't have much to
+   check.
+
+5.4 Create-Job
+
+   The mapper SHALL handle this operation like Print-Job, except:
+
+      - the mapper SHALL send the control file after it has received the
+        last Send-Document or Send-URI operation because the control
+        file contains all the document-name and document-format values
+        specified in the Send-Document and Send-URI operations.
+      - the mapper SHALL perform one receive-data-file sub-command for
+        each Send-Document or Send-URI operation received and in the
+        same order received.
+      - the mapper SHALL send the control file either before all data
+        files or after all data files. (See the note in the section on
+        Print-Job about the dilemma of sending the control file either
+        before or after the data files.
+
+5.5 Send-Document
+
+   The mapper performs a receive-data-file sub-command on the received
+   data. See the preceding section 5.4 "Create-Job" for the details.
+
+5.6 Send-URI
+
+   The mapper SHALL obtain the data referenced by the "document-uri"
+   operation attribute, and SHALL then treat that data as if it had been
+   received via a Send-Document operation. See the preceding section 5.5
+   "Send-Document" for the details.
+
+5.7 Cancel-Job
+
+   The mapper SHALL perform a remove-jobs command with the following
+   operation attributes:
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 18]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+      - the printer is the one to which the job was submitted, that is
+        the IPP printer-uri is mapped to an LPD printer-name by the same
+        mechanism as for all commands
+      - the agent is the authenticated user-name of the IPP client
+      - the job-number is the job-id returned by the Print-Job command,
+        that is, the LPD job-number has the same value as the IPP job-id
+        for likely implementations
+
+5.8 Get-Printer-Attributes
+
+   LPD severely limits the set of attributes that the mapper is able to
+   return in its response for this operation. The mapper SHALL support,
+   at most, the following printer attributes:
+
+      - printer-state
+      - printer-state-reasons
+
+   The mapper uses either the long or short form of the "send queue
+   state" command.
+
+   The mapper SHALL assume that the LPD response that it receives has
+   the format and information specified in section 3.3 "Send queue state
+   (short)" and section 3.4 "Send queue state (long)".  The mapper SHALL
+   determine the value of each requested attribute by using the inverse
+   of the mapping specified in the two aforementioned sections.
+
+   Note: the mapper can determine the response from the printer-status
+   line without examining the rest of the LPD response.
+
+5.9 Get-Job-Attributes
+
+   LPD severely limits the set of attributes that the mapper is able to
+   return in its response for this operation. The mapper SHALL support,
+   at most, the following job attributes:
+
+      - number-of-intervening-jobs
+      - job-originating-user-name
+      - job-id
+      - document-name
+      - job-k-octets
+      - copies
+
+   The mapper uses either the long or short form of the "send queue
+   state" command. If it receives a request for the "job-k-octets" or
+   "copies" and supports the attribute it SHALL use the long form;
+   otherwise, it SHALL use the short form.
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 19]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   Note: the value of job-k-octets is the value in the short form
+   divided by the number of "copies" which is on the long form only. Its
+   value can also be determined by adding the "size" field values for
+   each document in the job in the long form.
+
+   The mapper SHALL assume that the LPD response that it receives has
+   the format and information specified in section 3.3 "Send queue state
+   (short)" and section 3.4 "Send queue state (long)".  The mapper SHALL
+   determine the value of each requested attribute by using the inverse
+   of the mapping specified in the two aforementioned sections.
+
+   Note: when the mapper uses the LPD short form, it can determine the
+   response from the single LPD line that pertains to the job specified
+   by the Get-Job-Attributes operation.
+
+   Note: the mapper can use its correspondence between the IPP job-id,
+   job-uri and the LPD job-number.
+
+5.10 Get-Jobs
+
+   The mapper SHALL perform this operation in the same way as Get-Job-
+   Attributes except that the mapper converts all the LPD job-lines, and
+   the IPP response contains one job object for each job-line in the LPD
+   response.
+
+6. Mapping of IPP Attributes to LPD Control File Lines
+
+   This section describes the mapping from IPP operation attributes and
+   job template attributes to LPD control file lines (called '
+   functions'). The mapper receives the IPP operation attributes and job
+   template atributes via the IPP operation.  Each of the IPP operation
+   attributes and job template attributes appear as sub-sections of
+   section 3 and 4.2 in the IPP model document [RFC2566].
+
+   In the context of LPD control file lines, the text operands have a
+   maximum length of 31 or 99 while IPP operation attributes and job
+   template attributes have a maximum of 255 or 1023 octets, depending
+   on the attribute syntax.  Therefore, there may be some data loss if
+   the IPP operation attribute and job template attribute values exceed
+   the maximum length of the LPD equivalent operands.
+
+   The mapper converts each supported IPP operation attribute and job
+   template attribute to its corresponding LPD function as defined by
+   tables in the subsections that follow. These subsections group
+   functions according to whether they are:
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 20]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+      - required with a job,
+      - optional with a job
+      - required with each document.
+
+   In the tables below, each IPP value is given a name, such as 'h'. If
+   an LPD value uses the IPP value, then the LPD value column contains
+   the IPP name, such as 'h' to denote this.  Otherwise, the LPD value
+   column specifies the literal value.
+
+6.1 Required Job Functions
+
+   The mapper SHALL include the following LPD functions with each job,
+   and they SHALL have the specified value. They SHALL be the first
+   functions in the control file and they SHALL be in the order "H" and
+   then "P".
+
+   IPP                           LPD function
+   name                  value   name  value         description
+
+   (perhaps in security  h       H     gateway host  Originating Host
+   layer)
+   requesting-user-name  u       P     u             User identification
+   and in the security
+   layer
+
+   A mapper SHALL sends its own host rather than the client's host,
+   because some LPD systems require that it be the same as the host from
+   which the remove-jobs command comes.  A mapper MAY send its own user
+   name as user identification rather than the client user. But in any
+   case, the values sent SHALL be compatible with the LPD remove-jobs
+   operation.
+
+6.2 Optional Job Functions
+
+   The mapper MAY include the following LPD functions with each job.
+   They SHALL have the specified value if they are sent. These
+   functions, if present, SHALL follow the require job functions, and
+   they SHALL precede the required document functions.
+
+   IPP attribute                      LPD function
+   name           value               name value  description
+
+   job-name       j                   J    j      Job name for banner
+                                                  page
+   job-sheets     'standard'          L    u      Print banner page
+   job-sheets     'none'                          omit 'L' function
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 21]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+   Note: 'L' has special meaning when it is omitted. If 'J' is omitted,
+   some undefined behavior occurs with respect to the banner page.
+
+6.3 Required Document Functions
+
+   The mapper SHALL include one set of the following LPD functions with
+   each document, and they SHALL have the specified values. For each
+   document, the order of the functions SHALL be 'f', 'U' and then 'N',
+   where 'f' is replicated once for each copy.
+
+   IPP attribute                      LPD function
+
+   name        value                  name value  description
+
+   document-   'application/octet-    f    fff    Print formatted file
+   format      stream' or
+               'application/PostScript'
+   copies      c                                  replicate 'f' 'c'
+                                                  times
+   none                               U    fff    Unlink data file
+   document-   n                      N    n      Name of source file
+   name
+
+   Note: the value 'fff' of the 'f' and 'U' functions is the name of the
+   data file as transferred, e.g. "dfA123woden".
+
+   Note: the mapper SHALL not send the 'o' function
+
+   ISSUE: should we register DVI, troff or ditroff?
+
+   If the mapper receives no "ipp-attribute-fidelitybest-effort" or it
+   has a value of false, then the mapper SHALL reject the job if it
+   specifies attributes or attribute values that are not among those
+   supported in the above tables.
+
+   Below is an example of the minimal control file for a job with three
+   copies of two files 'foo' and 'bar':
+
+      H tiger
+      P jones
+      f dfA123woden
+      f dfA123woden
+      f dfA123woden
+      U dfA123woden
+      N foo
+      f dfB123woden
+      f dfB123woden
+      f dfB123woden
+
+
+
+Herriot, et al.               Experimental                     [Page 22]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+      U dfB123woden
+      N bar
+
+7. Security Considerations
+
+   There are no security issues beyond those covered in the IPP Encoding
+   and Transport document [RFC2565], the IPP model document [RFC2566]
+   and the LPD document [RFC1179].
+
+8. References
+
+   [ipp-iig] Hasting, T., et al., "Internet Printing Protocol/1.0:
+             Implementer's Guide", Work in Progress.
+
+   [RFC1759] Smith, R., Wright, F., Hastings, T., Zilles, S., and J.
+             Gyllenskog, "Printer MIB", RFC 1759, March 1995.
+
+   [RFC1179] McLaughlin, L., "Line Printer Daemon Protocol", RFC 1179,
+             August 1990.
+
+   [RFC2119] Bradner, S. "Key words for use in RFCs to Indicate
+             Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2234] D. Crocker et al., "Augmented BNF for Syntax
+             Specifications:  ABNF", RFC 2234, November 1997.
+
+   [RFC2565] Herriot, R., Butler, S., Moore, P. and R. Tuner, "Internet
+             Printing Protocol/1.0: Encoding and Transport", RFC 2565,
+             April 1999.
+
+   [RFC2566] deBry, R., Hastings, T., Herriot, R., Isaacson, S., and P.
+             Powell, "Internet Printing Protocol/1.0: Model and
+             Semantics", RFC 2566, April 1999.
+
+   [RFC2567] Wright, D., "Design Goals for an Internet Printing
+             Protocol", RFC 2567, April 1999.
+
+   [RFC2568] Zilles, S., "Rationale for the Structure and Model and
+             Protocol for the Internet Printing Protocol", RFC 2568,
+             April 1999.
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 23]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+9. Authors' Addresses
+
+   Robert Herriot (Editor)
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   EMail:  rherriot@pahv.xerox.com
+
+
+   Norm Jacobs
+   Sun Microsystems Inc.
+   1430 Owl Ridge Rd.
+   Colorado Springs, CO 80919
+
+   Phone:  719-532-9927
+   Fax:    719-535-0956
+   EMail:  Norm.Jacobs@Central.sun.com
+
+
+   Thomas N. Hastings
+   Xerox Corporation
+   701 S. Aviation Blvd., ESAE-231
+   El Segundo, CA 90245
+
+   Phone: 310-333-6413
+   Fax:   310-333-5514
+   EMail: hastings@cp10.es.xerox.com
+
+
+   Jay Martin
+   Underscore, Inc.
+   41-C Sagamore Park Road
+   Hudson, NH 03051-4915
+
+   Phone:  603-889-7000
+   Fax:  603-889-2699
+   EMail:  jkm@underscore.com
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 24]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+10. Appendix A: ABNF Syntax for response of Send-queue-state (short)
+
+   The syntax in ABNF for the response to the LPD command 'send-queue-
+   state (long)' is:
+
+    status-response = empty-queue / nonempty-queue
+    empty-queue = "no-entries" LF
+    nonempty-queue = printer-status LF heading LF *(job LF)
+    printer-status =  OK-status / error-status
+    OK-status = printer-name SP "ready and printing" LF
+    error-status = < implementation dependent status information >
+    heading = "Rank" 3SP "Owner" 6SP "Job" 13SP "Files"
+                    23SP "Total Size" LF
+                       ; the column headings and their values below begin
+    at the columns
+                       ; 1, 8, 19, 35 and 63
+    job = rank *SP owner *SP job *SP files *SP total-size "bytes"
+                      ; jobs are in order of oldest to newest
+    rank = "active" / "1st" / "2nd" / "3rd" / integer "th"
+                      ; job that is printing is "active"
+                      ; other values show position in the queue
+    owner = <user name of person who submitted the job>
+    job = 1*3DIGIT   ; job-number
+    files = <file name> *( "," <file name>) ; truncated to 24 characters
+    total-size = 1*DIGIT  ; combined size in bytes of all documents
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 25]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+11. Appendix B: ABNF Syntax for response of Send-queue-state (long)
+
+   The syntax in ABNF for the response to the LPD command 'send-queue-
+   state (long)' is:
+
+    status-response = empty-queue / nonempty-queue
+    empty-queue = "no-entries" LF
+    nonempty-queue = printer-status LF  *job
+    printer-status =  OK-status / error-status
+    OK-status = printer-name SP "ready and printing" LF
+    error-status = < implementation dependent status information >
+    job = LF line-1 LF line-2 LF
+    line-1 = owner ":" SP rank 1*SP "[job" job SP host "]"
+    line-2 =  file-name 1*SP document-size "bytes"
+          ; jobs are in order of oldest to newest
+    rank = "active" / "1st" / "2nd" / "3rd" / integer "th"
+            ; job that is printing is "active"
+            ; other values show position in the queue
+    owner = <user name of person who submitted the job>
+    job = 1*3DIGIT
+    file-name = [ 1*DIGIT  "copies of" SP ] <file name>
+                  ; truncated to 24 characters
+    document-size = 1*DIGIT  ;size of single copy of the document.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 26]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+12. Appendix C: Unsupported LPD functions
+
+   The follow LPD functions have no IPP equivalent. The LPD-to-IPP
+   mapper ignores them and the IPP-to-LPD mapper does not send them.
+
+    LPD command
+    name  description
+
+    C     Class for banner page
+    I     Indent Printing
+    H     Host of client
+    M     Mail when printed
+    S     Symbolic link data
+    T     Title for pr
+    W     Width of output
+    1     troff R font
+    2     troff I font
+    3     troff B font
+    4     troff S font
+
+   The follow LPD functions specify document-formats which have no IPP
+   equivalent, unless someone registers them. The LPD-to-IPP mapper
+   rejects jobs that request such a document format, and the IPP-to-LPD
+   mapper does not send them.
+
+    LPD command
+    name   description
+
+    c      Plot CIF file
+    d      Print DVI file
+    g      Plot file
+    k      reserved for Kerberized clients and servers
+    n      Print ditroff output file
+    p      Print file with 'pr' format
+    r      File to print with FORTRAN carriage control
+    t      Print troff output file
+    v      Print raster file
+    z      reserved for future use with the Palladium
+           print system
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 27]
+
+RFC 2569         Mapping between LPD and IPP Protocols        April 1999
+
+
+13.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.               Experimental                     [Page 28]
+
diff --git a/standards/rfc2595.txt b/standards/rfc2595.txt
new file mode 100644
index 000000000..66897cd6c
--- /dev/null
+++ b/standards/rfc2595.txt
@@ -0,0 +1,843 @@
+
+
+
+
+
+
+Network Working Group                                          C. Newman
+Request for Comments: 2595                                      Innosoft
+Category: Standards Track                                      June 1999
+
+
+                   Using TLS with IMAP, POP3 and ACAP
+
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+1. Motivation
+
+   The TLS protocol (formerly known as SSL) provides a way to secure an
+   application protocol from tampering and eavesdropping.  The option of
+   using such security is desirable for IMAP, POP and ACAP due to common
+   connection eavesdropping and hijacking attacks [AUTH].  Although
+   advanced SASL authentication mechanisms can provide a lightweight
+   version of this service, TLS is complimentary to simple
+   authentication-only SASL mechanisms or deployed clear-text password
+   login commands.
+
+   Many sites have a high investment in authentication infrastructure
+   (e.g., a large database of a one-way-function applied to user
+   passwords), so a privacy layer which is not tightly bound to user
+   authentication can protect against network eavesdropping attacks
+   without requiring a new authentication infrastructure and/or forcing
+   all users to change their password.  Recognizing that such sites will
+   desire simple password authentication in combination with TLS
+   encryption, this specification defines the PLAIN SASL mechanism for
+   use with protocols which lack a simple password authentication
+   command such as ACAP and SMTP.  (Note there is a separate RFC for the
+   STARTTLS command in SMTP [SMTPTLS].)
+
+   There is a strong desire in the IETF to eliminate the transmission of
+   clear-text passwords over unencrypted channels.  While SASL can be
+   used for this purpose, TLS provides an additional tool with different
+   deployability characteristics.  A server supporting both TLS with
+
+
+
+
+Newman                      Standards Track                     [Page 1]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+   simple passwords and a challenge/response SASL mechanism is likely to
+   interoperate with a wide variety of clients without resorting to
+   unencrypted clear-text passwords.
+
+   The STARTTLS command rectifies a number of the problems with using a
+   separate port for a "secure" protocol variant.  Some of these are
+   mentioned in section 7.
+
+1.1. Conventions Used in this Document
+
+   The key words "REQUIRED", "MUST", "MUST NOT", "SHOULD", "SHOULD NOT",
+   "MAY", and "OPTIONAL" in this document are to be interpreted as
+   described in "Key words for use in RFCs to Indicate Requirement
+   Levels" [KEYWORDS].
+
+   Terms related to authentication are defined in "On Internet
+   Authentication" [AUTH].
+
+   Formal syntax is defined using ABNF [ABNF].
+
+   In examples, "C:" and "S:" indicate lines sent by the client and
+   server respectively.
+
+2. Basic Interoperability and Security Requirements
+
+   The following requirements apply to all implementations of the
+   STARTTLS extension for IMAP, POP3 and ACAP.
+
+2.1. Cipher Suite Requirements
+
+   Implementation of the TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA [TLS] cipher
+   suite is REQUIRED.  This is important as it assures that any two
+   compliant implementations can be configured to interoperate.
+
+   All other cipher suites are OPTIONAL.
+
+2.2. Privacy Operational Mode Security Requirements
+
+   Both clients and servers SHOULD have a privacy operational mode which
+   refuses authentication unless successful activation of an encryption
+   layer (such as that provided by TLS) occurs prior to or at the time
+   of authentication and which will terminate the connection if that
+   encryption layer is deactivated.  Implementations are encouraged to
+   have flexability with respect to the minimal encryption strength or
+   cipher suites permitted.  A minimalist approach to this
+   recommendation would be an operational mode where the
+   TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA cipher suite is mandatory prior to
+   permitting authentication.
+
+
+
+Newman                      Standards Track                     [Page 2]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+   Clients MAY have an operational mode which uses encryption only when
+   it is advertised by the server, but authentication continues
+   regardless.  For backwards compatibility, servers SHOULD have an
+   operational mode where only the authentication mechanisms required by
+   the relevant base protocol specification are needed to successfully
+   authenticate.
+
+2.3. Clear-Text Password Requirements
+
+   Clients and servers which implement STARTTLS MUST be configurable to
+   refuse all clear-text login commands or mechanisms (including both
+   standards-track and nonstandard mechanisms) unless an encryption
+   layer of adequate strength is active.  Servers which allow
+   unencrypted clear-text logins SHOULD be configurable to refuse
+   clear-text logins both for the entire server, and on a per-user
+   basis.
+
+2.4. Server Identity Check
+
+   During the TLS negotiation, the client MUST check its understanding
+   of the server hostname against the server's identity as presented in
+   the server Certificate message, in order to prevent man-in-the-middle
+   attacks.  Matching is performed according to these rules:
+
+   - The client MUST use the server hostname it used to open the
+     connection as the value to compare against the server name as
+     expressed in the server certificate.  The client MUST NOT use any
+     form of the server hostname derived from an insecure remote source
+     (e.g., insecure DNS lookup).  CNAME canonicalization is not done.
+
+   - If a subjectAltName extension of type dNSName is present in the
+     certificate, it SHOULD be used as the source of the server's
+     identity.
+
+   - Matching is case-insensitive.
+
+   - A "*" wildcard character MAY be used as the left-most name
+     component in the certificate.  For example, *.example.com would
+     match a.example.com, foo.example.com, etc. but would not match
+     example.com.
+
+   - If the certificate contains multiple names (e.g. more than one
+     dNSName field), then a match with any one of the fields is
+     considered acceptable.
+
+   If the match fails, the client SHOULD either ask for explicit user
+   confirmation, or terminate the connection and indicate the server's
+   identity is suspect.
+
+
+
+Newman                      Standards Track                     [Page 3]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+2.5. TLS Security Policy Check
+
+   Both the client and server MUST check the result of the STARTTLS
+   command and subsequent TLS negotiation to see whether acceptable
+   authentication or privacy was achieved.  Ignoring this step
+   completely invalidates using TLS for security.  The decision about
+   whether acceptable authentication or privacy was achieved is made
+   locally, is implementation-dependent, and is beyond the scope of this
+   document.
+
+3. IMAP STARTTLS extension
+
+   When the TLS extension is present in IMAP, "STARTTLS" is listed as a
+   capability in response to the CAPABILITY command.  This extension
+   adds a single command, "STARTTLS" to the IMAP protocol which is used
+   to begin a TLS negotiation.
+
+3.1. STARTTLS Command
+
+   Arguments:  none
+
+   Responses:  no specific responses for this command
+
+   Result:     OK - begin TLS negotiation
+               BAD - command unknown or arguments invalid
+
+      A TLS negotiation begins immediately after the CRLF at the end of
+      the tagged OK response from the server.  Once a client issues a
+      STARTTLS command, it MUST NOT issue further commands until a
+      server response is seen and the TLS negotiation is complete.
+
+      The STARTTLS command is only valid in non-authenticated state.
+      The server remains in non-authenticated state, even if client
+      credentials are supplied during the TLS negotiation.  The SASL
+      [SASL] EXTERNAL mechanism MAY be used to authenticate once TLS
+      client credentials are successfully exchanged, but servers
+      supporting the STARTTLS command are not required to support the
+      EXTERNAL mechanism.
+
+      Once TLS has been started, the client MUST discard cached
+      information about server capabilities and SHOULD re-issue the
+      CAPABILITY command.  This is necessary to protect against
+      man-in-the-middle attacks which alter the capabilities list prior
+      to STARTTLS.  The server MAY advertise different capabilities
+      after STARTTLS.
+
+      The formal syntax for IMAP is amended as follows:
+
+
+
+
+Newman                      Standards Track                     [Page 4]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+        command_any   =/  "STARTTLS"
+
+   Example:    C: a001 CAPABILITY
+               S: * CAPABILITY IMAP4rev1 STARTTLS LOGINDISABLED
+               S: a001 OK CAPABILITY completed
+               C: a002 STARTTLS
+               S: a002 OK Begin TLS negotiation now
+               <TLS negotiation, further commands are under TLS layer>
+               C: a003 CAPABILITY
+               S: * CAPABILITY IMAP4rev1 AUTH=EXTERNAL
+               S: a003 OK CAPABILITY completed
+               C: a004 LOGIN joe password
+               S: a004 OK LOGIN completed
+
+3.2. IMAP LOGINDISABLED capability
+
+   The current IMAP protocol specification (RFC 2060) requires the
+   implementation of the LOGIN command which uses clear-text passwords.
+   Many sites may choose to disable this command unless encryption is
+   active for security reasons.  An IMAP server MAY advertise that the
+   LOGIN command is disabled by including the LOGINDISABLED capability
+   in the capability response.  Such a server will respond with a tagged
+   "NO" response to any attempt to use the LOGIN command.
+
+   An IMAP server which implements STARTTLS MUST implement support for
+   the LOGINDISABLED capability on unencrypted connections.
+
+   An IMAP client which complies with this specification MUST NOT issue
+   the LOGIN command if this capability is present.
+
+   This capability is useful to prevent clients compliant with this
+   specification from sending an unencrypted password in an environment
+   subject to passive attacks.  It has no impact on an environment
+   subject to active attacks as a man-in-the-middle attacker can remove
+   this capability.  Therefore this does not relieve clients of the need
+   to follow the privacy mode recommendation in section 2.2.
+
+   Servers advertising this capability will fail to interoperate with
+   many existing compliant IMAP clients and will be unable to prevent
+   those clients from disclosing the user's password.
+
+4. POP3 STARTTLS extension
+
+   The POP3 STARTTLS extension adds the STLS command to POP3 servers.
+   If this is implemented, the POP3 extension mechanism [POP3EXT] MUST
+   also be implemented to avoid the need for client probing of multiple
+   commands.  The capability name "STLS" indicates this command is
+   present and permitted in the current state.
+
+
+
+Newman                      Standards Track                     [Page 5]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+      STLS
+
+         Arguments: none
+
+         Restrictions:
+             Only permitted in AUTHORIZATION state.
+
+         Discussion:
+             A TLS negotiation begins immediately after the CRLF at the
+             end of the +OK response from the server.  A -ERR response
+             MAY result if a security layer is already active.  Once a
+             client issues a STLS command, it MUST NOT issue further
+             commands until a server response is seen and the TLS
+             negotiation is complete.
+
+             The STLS command is only permitted in AUTHORIZATION state
+             and the server remains in AUTHORIZATION state, even if
+             client credentials are supplied during the TLS negotiation.
+             The AUTH command [POP-AUTH] with the EXTERNAL mechanism
+             [SASL] MAY be used to authenticate once TLS client
+             credentials are successfully exchanged, but servers
+             supporting the STLS command are not required to support the
+             EXTERNAL mechanism.
+
+             Once TLS has been started, the client MUST discard cached
+             information about server capabilities and SHOULD re-issue
+             the CAPA command.  This is necessary to protect against
+             man-in-the-middle attacks which alter the capabilities list
+             prior to STLS.  The server MAY advertise different
+             capabilities after STLS.
+
+         Possible Responses:
+             +OK -ERR
+
+         Examples:
+             C: STLS
+             S: +OK Begin TLS negotiation
+             <TLS negotiation, further commands are under TLS layer>
+               ...
+             C: STLS
+             S: -ERR Command not permitted when TLS active
+
+
+
+
+
+
+
+
+
+
+Newman                      Standards Track                     [Page 6]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+5. ACAP STARTTLS extension
+
+   When the TLS extension is present in ACAP, "STARTTLS" is listed as a
+   capability in the ACAP greeting.  No arguments to this capability are
+   defined at this time.  This extension adds a single command,
+   "STARTTLS" to the ACAP protocol which is used to begin a TLS
+   negotiation.
+
+5.1. STARTTLS Command
+
+   Arguments:  none
+
+   Responses:  no specific responses for this command
+
+   Result:     OK - begin TLS negotiation
+               BAD - command unknown or arguments invalid
+
+      A TLS negotiation begins immediately after the CRLF at the end of
+      the tagged OK response from the server.  Once a client issues a
+      STARTTLS command, it MUST NOT issue further commands until a
+      server response is seen and the TLS negotiation is complete.
+
+      The STARTTLS command is only valid in non-authenticated state.
+      The server remains in non-authenticated state, even if client
+      credentials are supplied during the TLS negotiation.  The SASL
+      [SASL] EXTERNAL mechanism MAY be used to authenticate once TLS
+      client credentials are successfully exchanged, but servers
+      supporting the STARTTLS command are not required to support the
+      EXTERNAL mechanism.
+
+      After the TLS layer is established, the server MUST re-issue an
+      untagged ACAP greeting.  This is necessary to protect against
+      man-in-the-middle attacks which alter the capabilities list prior
+      to STARTTLS.  The client MUST discard cached capability
+      information and replace it with the information from the new ACAP
+      greeting.  The server MAY advertise different capabilities after
+      STARTTLS.
+
+      The formal syntax for ACAP is amended as follows:
+
+        command_any   =/  "STARTTLS"
+
+   Example:    S: * ACAP (SASL "CRAM-MD5") (STARTTLS)
+               C: a002 STARTTLS
+               S: a002 OK "Begin TLS negotiation now"
+               <TLS negotiation, further commands are under TLS layer>
+               S: * ACAP (SASL "CRAM-MD5" "PLAIN" "EXTERNAL")
+
+
+
+
+Newman                      Standards Track                     [Page 7]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+6. PLAIN SASL mechanism
+
+   Clear-text passwords are simple, interoperate with almost all
+   existing operating system authentication databases, and are useful
+   for a smooth transition to a more secure password-based
+   authentication mechanism.  The drawback is that they are unacceptable
+   for use over an unencrypted network connection.
+
+   This defines the "PLAIN" SASL mechanism for use with ACAP and other
+   protocols with no clear-text login command.  The PLAIN SASL mechanism
+   MUST NOT be advertised or used unless a strong encryption layer (such
+   as the provided by TLS) is active or backwards compatibility dictates
+   otherwise.
+
+   The mechanism consists of a single message from the client to the
+   server.  The client sends the authorization identity (identity to
+   login as), followed by a US-ASCII NUL character, followed by the
+   authentication identity (identity whose password will be used),
+   followed by a US-ASCII NUL character, followed by the clear-text
+   password.  The client may leave the authorization identity empty to
+   indicate that it is the same as the authentication identity.
+
+   The server will verify the authentication identity and password with
+   the system authentication database and verify that the authentication
+   credentials permit the client to login as the authorization identity.
+   If both steps succeed, the user is logged in.
+
+   The server MAY also use the password to initialize any new
+   authentication database, such as one suitable for CRAM-MD5
+   [CRAM-MD5].
+
+   Non-US-ASCII characters are permitted as long as they are represented
+   in UTF-8 [UTF-8].  Use of non-visible characters or characters which
+   a user may be unable to enter on some keyboards is discouraged.
+
+   The formal grammar for the client message using Augmented BNF [ABNF]
+   follows.
+
+   message         = [authorize-id] NUL authenticate-id NUL password
+   authenticate-id = 1*UTF8-SAFE      ; MUST accept up to 255 octets
+   authorize-id    = 1*UTF8-SAFE      ; MUST accept up to 255 octets
+   password        = 1*UTF8-SAFE      ; MUST accept up to 255 octets
+   NUL             = %x00
+   UTF8-SAFE       = %x01-09 / %x0B-0C / %x0E-7F / UTF8-2 /
+                     UTF8-3 / UTF8-4 / UTF8-5 / UTF8-6
+   UTF8-1          = %x80-BF
+   UTF8-2          = %xC0-DF UTF8-1
+   UTF8-3          = %xE0-EF 2UTF8-1
+
+
+
+Newman                      Standards Track                     [Page 8]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+   UTF8-4          = %xF0-F7 3UTF8-1
+   UTF8-5          = %xF8-FB 4UTF8-1
+   UTF8-6          = %xFC-FD 5UTF8-1
+
+   Here is an example of how this might be used to initialize a CRAM-MD5
+   authentication database for ACAP:
+
+   Example:    S: * ACAP (SASL "CRAM-MD5") (STARTTLS)
+               C: a001 AUTHENTICATE "CRAM-MD5"
+               S: + "<1896.697170952@postoffice.reston.mci.net>"
+               C: "tim b913a602c7eda7a495b4e6e7334d3890"
+               S: a001 NO (TRANSITION-NEEDED)
+                  "Please change your password, or use TLS to login"
+               C: a002 STARTTLS
+               S: a002 OK "Begin TLS negotiation now"
+               <TLS negotiation, further commands are under TLS layer>
+               S: * ACAP (SASL "CRAM-MD5" "PLAIN" "EXTERNAL")
+               C: a003 AUTHENTICATE "PLAIN" {21+}
+               C: <NUL>tim<NUL>tanstaaftanstaaf
+               S: a003 OK CRAM-MD5 password initialized
+
+   Note: In this example, <NUL> represents a single ASCII NUL octet.
+
+7. imaps and pop3s ports
+
+   Separate "imaps" and "pop3s" ports were registered for use with SSL.
+   Use of these ports is discouraged in favor of the STARTTLS or STLS
+   commands.
+
+   A number of problems have been observed with separate ports for
+   "secure" variants of protocols.  This is an attempt to enumerate some
+   of those problems.
+
+   - Separate ports lead to a separate URL scheme which intrudes into
+     the user interface in inappropriate ways.  For example, many web
+     pages use language like "click here if your browser supports SSL."
+     This is a decision the browser is often more capable of making than
+     the user.
+
+   - Separate ports imply a model of either "secure" or "not secure."
+     This can be misleading in a number of ways.  First, the "secure"
+     port may not in fact be acceptably secure as an export-crippled
+     cipher suite might be in use.  This can mislead users into a false
+     sense of security.  Second, the normal port might in fact be
+     secured by using a SASL mechanism which includes a security layer.
+     Thus the separate port distinction makes the complex topic of
+     security policy even more confusing.  One common result of this
+     confusion is that firewall administrators are often misled into
+
+
+
+Newman                      Standards Track                     [Page 9]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+     permitting the "secure" port and blocking the standard port.  This
+     could be a poor choice given the common use of SSL with a 40-bit
+     key encryption layer and plain-text password authentication is less
+     secure than strong SASL mechanisms such as GSSAPI with Kerberos 5.
+
+   - Use of separate ports for SSL has caused clients to implement only
+     two security policies: use SSL or don't use SSL.  The desirable
+     security policy "use TLS when available" would be cumbersome with
+     the separate port model, but is simple with STARTTLS.
+
+   - Port numbers are a limited resource.  While they are not yet in
+     short supply, it is unwise to set a precedent that could double (or
+     worse) the speed of their consumption.
+
+
+8. IANA Considerations
+
+   This constitutes registration of the "STARTTLS" and "LOGINDISABLED"
+   IMAP capabilities as required by section 7.2.1 of RFC 2060 [IMAP].
+
+   The registration for the POP3 "STLS" capability follows:
+
+   CAPA tag:                   STLS
+   Arguments:                  none
+   Added commands:             STLS
+   Standard commands affected: May enable USER/PASS as a side-effect.
+     CAPA command SHOULD be re-issued after successful completion.
+   Announced states/Valid states: AUTHORIZATION state only.
+   Specification reference:    this memo
+
+   The registration for the ACAP "STARTTLS" capability follows:
+
+   Capability name:            STARTTLS
+   Capability keyword:         STARTTLS
+   Capability arguments:       none
+   Published Specification(s): this memo
+   Person and email address for further information:
+       see author's address section below
+
+   The registration for the PLAIN SASL mechanism follows:
+
+   SASL mechanism name:        PLAIN
+   Security Considerations:    See section 9 of this memo
+   Published specification:    this memo
+   Person & email address to contact for further information:
+       see author's address section below
+   Intended usage:             COMMON
+   Author/Change controller:   see author's address section below
+
+
+
+Newman                      Standards Track                    [Page 10]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+9. Security Considerations
+
+   TLS only provides protection for data sent over a network connection.
+   Messages transferred over IMAP or POP3 are still available to server
+   administrators and usually subject to eavesdropping, tampering and
+   forgery when transmitted through SMTP or NNTP.  TLS is no substitute
+   for an end-to-end message security mechanism using MIME security
+   multiparts [MIME-SEC].
+
+   A man-in-the-middle attacker can remove STARTTLS from the capability
+   list or generate a failure response to the STARTTLS command.  In
+   order to detect such an attack, clients SHOULD warn the user when
+   session privacy is not active and/or be configurable to refuse to
+   proceed without an acceptable level of security.
+
+   A man-in-the-middle attacker can always cause a down-negotiation to
+   the weakest authentication mechanism or cipher suite available.  For
+   this reason, implementations SHOULD be configurable to refuse weak
+   mechanisms or cipher suites.
+
+   Any protocol interactions prior to the TLS handshake are performed in
+   the clear and can be modified by a man-in-the-middle attacker.  For
+   this reason, clients MUST discard cached information about server
+   capabilities advertised prior to the start of the TLS handshake.
+
+   Clients are encouraged to clearly indicate when the level of
+   encryption active is known to be vulnerable to attack using modern
+   hardware (such as encryption keys with 56 bits of entropy or less).
+
+   The LOGINDISABLED IMAP capability (discussed in section 3.2) only
+   reduces the potential for passive attacks, it provides no protection
+   against active attacks.  The responsibility remains with the client
+   to avoid sending a password over a vulnerable channel.
+
+   The PLAIN mechanism relies on the TLS encryption layer for security.
+   When used without TLS, it is vulnerable to a common network
+   eavesdropping attack.  Therefore PLAIN MUST NOT be advertised or used
+   unless a suitable TLS encryption layer is active or backwards
+   compatibility dictates otherwise.
+
+   When the PLAIN mechanism is used, the server gains the ability to
+   impersonate the user to all services with the same password
+   regardless of any encryption provided by TLS or other network privacy
+   mechanisms.  While many other authentication mechanisms have similar
+   weaknesses, stronger SASL mechanisms such as Kerberos address this
+   issue.  Clients are encouraged to have an operational mode where all
+   mechanisms which are likely to reveal the user's password to the
+   server are disabled.
+
+
+
+Newman                      Standards Track                    [Page 11]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+   The security considerations for TLS apply to STARTTLS and the
+   security considerations for SASL apply to the PLAIN mechanism.
+   Additional security requirements are discussed in section 2.
+
+10. References
+
+   [ABNF]     Crocker, D. and P. Overell, "Augmented BNF for Syntax
+              Specifications: ABNF", RFC 2234, November 1997.
+
+   [ACAP]     Newman, C. and J. Myers, "ACAP -- Application
+              Configuration Access Protocol", RFC 2244, November 1997.
+
+   [AUTH]     Haller, N. and R. Atkinson, "On Internet Authentication",
+              RFC 1704, October 1994.
+
+   [CRAM-MD5] Klensin, J., Catoe, R. and P. Krumviede, "IMAP/POP
+              AUTHorize Extension for Simple Challenge/Response", RFC
+              2195, September 1997.
+
+   [IMAP]     Crispin, M., "Internet Message Access Protocol - Version
+              4rev1", RFC 2060, December 1996.
+
+   [KEYWORDS] Bradner, S., "Key words for use in RFCs to Indicate
+              Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [MIME-SEC] Galvin, J., Murphy, S., Crocker, S. and N. Freed,
+              "Security Multiparts for MIME: Multipart/Signed and
+              Multipart/Encrypted", RFC 1847, October 1995.
+
+   [POP3]     Myers, J. and M. Rose, "Post Office Protocol - Version 3",
+              STD 53, RFC 1939, May 1996.
+
+   [POP3EXT]  Gellens, R., Newman, C. and L. Lundblade, "POP3 Extension
+              Mechanism", RFC 2449, November 1998.
+
+   [POP-AUTH] Myers, J., "POP3 AUTHentication command", RFC 1734,
+              December 1994.
+
+   [SASL]     Myers, J., "Simple Authentication and Security Layer
+              (SASL)", RFC 2222, October 1997.
+
+   [SMTPTLS]  Hoffman, P., "SMTP Service Extension for Secure SMTP over
+              TLS", RFC 2487, January 1999.
+
+   [TLS]      Dierks, T. and C. Allen, "The TLS Protocol Version 1.0",
+              RFC 2246, January 1999.
+
+
+
+
+
+Newman                      Standards Track                    [Page 12]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+   [UTF-8]    Yergeau, F., "UTF-8, a transformation format of ISO
+              10646", RFC 2279, January 1998.
+
+
+11. Author's Address
+
+   Chris Newman
+   Innosoft International, Inc.
+   1050 Lakes Drive
+   West Covina, CA 91790 USA
+
+   EMail: chris.newman@innosoft.com
+
+
+A. Appendix -- Compliance Checklist
+
+   An implementation is not compliant if it fails to satisfy one or more
+   of the MUST requirements for the protocols it implements.  An
+   implementation that satisfies all the MUST and all the SHOULD
+   requirements for its protocols is said to be "unconditionally
+   compliant"; one that satisfies all the MUST requirements but not all
+   the SHOULD requirements for its protocols is said to be
+   "conditionally compliant".
+
+   Rules                                                 Section
+   -----                                                 -------
+   Mandatory-to-implement Cipher Suite                      2.1
+   SHOULD have mode where encryption required               2.2
+   server SHOULD have mode where TLS not required           2.2
+   MUST be configurable to refuse all clear-text login
+     commands or mechanisms                                 2.3
+   server SHOULD be configurable to refuse clear-text
+     login commands on entire server and on per-user basis  2.3
+   client MUST check server identity                        2.4
+   client MUST use hostname used to open connection         2.4
+   client MUST NOT use hostname from insecure remote lookup 2.4
+   client SHOULD support subjectAltName of dNSName type     2.4
+   client SHOULD ask for confirmation or terminate on fail  2.4
+   MUST check result of STARTTLS for acceptable privacy     2.5
+   client MUST NOT issue commands after STARTTLS
+      until server response and negotiation done        3.1,4,5.1
+   client MUST discard cached information             3.1,4,5.1,9
+   client SHOULD re-issue CAPABILITY/CAPA command       3.1,4
+   IMAP server with STARTTLS MUST implement LOGINDISABLED   3.2
+   IMAP client MUST NOT issue LOGIN if LOGINDISABLED        3.2
+   POP server MUST implement POP3 extensions                4
+   ACAP server MUST re-issue ACAP greeting                  5.1
+
+
+
+
+Newman                      Standards Track                    [Page 13]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+   client SHOULD warn when session privacy not active and/or
+     refuse to proceed without acceptable security level    9
+   SHOULD be configurable to refuse weak mechanisms or
+     cipher suites                                          9
+
+   The PLAIN mechanism is an optional part of this specification.
+   However if it is implemented the following rules apply:
+
+   Rules                                                 Section
+   -----                                                 -------
+   MUST NOT use PLAIN unless strong encryption active
+     or backwards compatibility dictates otherwise         6,9
+   MUST use UTF-8 encoding for characters in PLAIN          6
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Newman                      Standards Track                    [Page 14]
+
+RFC 2595           Using TLS with IMAP, POP3 and ACAP          June 1999
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Newman                      Standards Track                    [Page 15]
+
diff --git a/standards/rfc2616.txt b/standards/rfc2616.txt
new file mode 100644
index 000000000..45d7d08b8
--- /dev/null
+++ b/standards/rfc2616.txt
@@ -0,0 +1,9859 @@
+
+
+
+
+
+
+Network Working Group                                      R. Fielding
+Request for Comments: 2616                                   UC Irvine
+Obsoletes: 2068                                              J. Gettys
+Category: Standards Track                                   Compaq/W3C
+                                                              J. Mogul
+                                                                Compaq
+                                                            H. Frystyk
+                                                               W3C/MIT
+                                                           L. Masinter
+                                                                 Xerox
+                                                              P. Leach
+                                                             Microsoft
+                                                        T. Berners-Lee
+                                                               W3C/MIT
+                                                             June 1999
+
+
+                Hypertext Transfer Protocol -- HTTP/1.1
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+Abstract
+
+   The Hypertext Transfer Protocol (HTTP) is an application-level
+   protocol for distributed, collaborative, hypermedia information
+   systems. It is a generic, stateless, protocol which can be used for
+   many tasks beyond its use for hypertext, such as name servers and
+   distributed object management systems, through extension of its
+   request methods, error codes and headers [47]. A feature of HTTP is
+   the typing and negotiation of data representation, allowing systems
+   to be built independently of the data being transferred.
+
+   HTTP has been in use by the World-Wide Web global information
+   initiative since 1990. This specification defines the protocol
+   referred to as "HTTP/1.1", and is an update to RFC 2068 [33].
+
+
+
+
+
+
+Fielding, et al.            Standards Track                     [Page 1]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+Table of Contents
+
+   1   Introduction ...................................................7
+   1.1    Purpose......................................................7
+   1.2   Requirements .................................................8
+   1.3   Terminology ..................................................8
+   1.4   Overall Operation ...........................................12
+   2   Notational Conventions and Generic Grammar ....................14
+   2.1   Augmented BNF ...............................................14
+   2.2   Basic Rules .................................................15
+   3   Protocol Parameters ...........................................17
+   3.1   HTTP Version ................................................17
+   3.2   Uniform Resource Identifiers ................................18
+   3.2.1    General Syntax ...........................................19
+   3.2.2    http URL .................................................19
+   3.2.3    URI Comparison ...........................................20
+   3.3   Date/Time Formats ...........................................20
+   3.3.1    Full Date ................................................20
+   3.3.2    Delta Seconds ............................................21
+   3.4   Character Sets ..............................................21
+   3.4.1    Missing Charset ..........................................22
+   3.5   Content Codings .............................................23
+   3.6   Transfer Codings ............................................24
+   3.6.1    Chunked Transfer Coding ..................................25
+   3.7   Media Types .................................................26
+   3.7.1    Canonicalization and Text Defaults .......................27
+   3.7.2    Multipart Types ..........................................27
+   3.8   Product Tokens ..............................................28
+   3.9   Quality Values ..............................................29
+   3.10  Language Tags ...............................................29
+   3.11  Entity Tags .................................................30
+   3.12  Range Units .................................................30
+   4   HTTP Message ..................................................31
+   4.1   Message Types ...............................................31
+   4.2   Message Headers .............................................31
+   4.3   Message Body ................................................32
+   4.4   Message Length ..............................................33
+   4.5   General Header Fields .......................................34
+   5   Request .......................................................35
+   5.1   Request-Line ................................................35
+   5.1.1    Method ...................................................36
+   5.1.2    Request-URI ..............................................36
+   5.2   The Resource Identified by a Request ........................38
+   5.3   Request Header Fields .......................................38
+   6   Response ......................................................39
+   6.1   Status-Line .................................................39
+   6.1.1    Status Code and Reason Phrase ............................39
+   6.2   Response Header Fields ......................................41
+
+
+
+Fielding, et al.            Standards Track                     [Page 2]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   7   Entity ........................................................42
+   7.1   Entity Header Fields ........................................42
+   7.2   Entity Body .................................................43
+   7.2.1    Type .....................................................43
+   7.2.2    Entity Length ............................................43
+   8   Connections ...................................................44
+   8.1   Persistent Connections ......................................44
+   8.1.1    Purpose ..................................................44
+   8.1.2    Overall Operation ........................................45
+   8.1.3    Proxy Servers ............................................46
+   8.1.4    Practical Considerations .................................46
+   8.2   Message Transmission Requirements ...........................47
+   8.2.1    Persistent Connections and Flow Control ..................47
+   8.2.2    Monitoring Connections for Error Status Messages .........48
+   8.2.3    Use of the 100 (Continue) Status .........................48
+   8.2.4    Client Behavior if Server Prematurely Closes Connection ..50
+   9   Method Definitions ............................................51
+   9.1   Safe and Idempotent Methods .................................51
+   9.1.1    Safe Methods .............................................51
+   9.1.2    Idempotent Methods .......................................51
+   9.2   OPTIONS .....................................................52
+   9.3   GET .........................................................53
+   9.4   HEAD ........................................................54
+   9.5   POST ........................................................54
+   9.6   PUT .........................................................55
+   9.7   DELETE ......................................................56
+   9.8   TRACE .......................................................56
+   9.9   CONNECT .....................................................57
+   10   Status Code Definitions ......................................57
+   10.1  Informational 1xx ...........................................57
+   10.1.1   100 Continue .............................................58
+   10.1.2   101 Switching Protocols ..................................58
+   10.2  Successful 2xx ..............................................58
+   10.2.1   200 OK ...................................................58
+   10.2.2   201 Created ..............................................59
+   10.2.3   202 Accepted .............................................59
+   10.2.4   203 Non-Authoritative Information ........................59
+   10.2.5   204 No Content ...........................................60
+   10.2.6   205 Reset Content ........................................60
+   10.2.7   206 Partial Content ......................................60
+   10.3  Redirection 3xx .............................................61
+   10.3.1   300 Multiple Choices .....................................61
+   10.3.2   301 Moved Permanently ....................................62
+   10.3.3   302 Found ................................................62
+   10.3.4   303 See Other ............................................63
+   10.3.5   304 Not Modified .........................................63
+   10.3.6   305 Use Proxy ............................................64
+   10.3.7   306 (Unused) .............................................64
+
+
+
+Fielding, et al.            Standards Track                     [Page 3]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   10.3.8   307 Temporary Redirect ...................................65
+   10.4  Client Error 4xx ............................................65
+   10.4.1    400 Bad Request .........................................65
+   10.4.2    401 Unauthorized ........................................66
+   10.4.3    402 Payment Required ....................................66
+   10.4.4    403 Forbidden ...........................................66
+   10.4.5    404 Not Found ...........................................66
+   10.4.6    405 Method Not Allowed ..................................66
+   10.4.7    406 Not Acceptable ......................................67
+   10.4.8    407 Proxy Authentication Required .......................67
+   10.4.9    408 Request Timeout .....................................67
+   10.4.10   409 Conflict ............................................67
+   10.4.11   410 Gone ................................................68
+   10.4.12   411 Length Required .....................................68
+   10.4.13   412 Precondition Failed .................................68
+   10.4.14   413 Request Entity Too Large ............................69
+   10.4.15   414 Request-URI Too Long ................................69
+   10.4.16   415 Unsupported Media Type ..............................69
+   10.4.17   416 Requested Range Not Satisfiable .....................69
+   10.4.18   417 Expectation Failed ..................................70
+   10.5  Server Error 5xx ............................................70
+   10.5.1   500 Internal Server Error ................................70
+   10.5.2   501 Not Implemented ......................................70
+   10.5.3   502 Bad Gateway ..........................................70
+   10.5.4   503 Service Unavailable ..................................70
+   10.5.5   504 Gateway Timeout ......................................71
+   10.5.6   505 HTTP Version Not Supported ...........................71
+   11   Access Authentication ........................................71
+   12   Content Negotiation ..........................................71
+   12.1  Server-driven Negotiation ...................................72
+   12.2  Agent-driven Negotiation ....................................73
+   12.3  Transparent Negotiation .....................................74
+   13   Caching in HTTP ..............................................74
+   13.1.1   Cache Correctness ........................................75
+   13.1.2   Warnings .................................................76
+   13.1.3   Cache-control Mechanisms .................................77
+   13.1.4   Explicit User Agent Warnings .............................78
+   13.1.5   Exceptions to the Rules and Warnings .....................78
+   13.1.6   Client-controlled Behavior ...............................79
+   13.2  Expiration Model ............................................79
+   13.2.1   Server-Specified Expiration ..............................79
+   13.2.2   Heuristic Expiration .....................................80
+   13.2.3   Age Calculations .........................................80
+   13.2.4   Expiration Calculations ..................................83
+   13.2.5   Disambiguating Expiration Values .........................84
+   13.2.6   Disambiguating Multiple Responses ........................84
+   13.3  Validation Model ............................................85
+   13.3.1   Last-Modified Dates ......................................86
+
+
+
+Fielding, et al.            Standards Track                     [Page 4]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   13.3.2   Entity Tag Cache Validators ..............................86
+   13.3.3   Weak and Strong Validators ...............................86
+   13.3.4   Rules for When to Use Entity Tags and Last-Modified Dates.89
+   13.3.5   Non-validating Conditionals ..............................90
+   13.4  Response Cacheability .......................................91
+   13.5  Constructing Responses From Caches ..........................92
+   13.5.1   End-to-end and Hop-by-hop Headers ........................92
+   13.5.2   Non-modifiable Headers ...................................92
+   13.5.3   Combining Headers ........................................94
+   13.5.4   Combining Byte Ranges ....................................95
+   13.6  Caching Negotiated Responses ................................95
+   13.7  Shared and Non-Shared Caches ................................96
+   13.8  Errors or Incomplete Response Cache Behavior ................97
+   13.9  Side Effects of GET and HEAD ................................97
+   13.10   Invalidation After Updates or Deletions ...................97
+   13.11   Write-Through Mandatory ...................................98
+   13.12   Cache Replacement .........................................99
+   13.13   History Lists .............................................99
+   14   Header Field Definitions ....................................100
+   14.1  Accept .....................................................100
+   14.2  Accept-Charset .............................................102
+   14.3  Accept-Encoding ............................................102
+   14.4  Accept-Language ............................................104
+   14.5  Accept-Ranges ..............................................105
+   14.6  Age ........................................................106
+   14.7  Allow ......................................................106
+   14.8  Authorization ..............................................107
+   14.9  Cache-Control ..............................................108
+   14.9.1   What is Cacheable .......................................109
+   14.9.2   What May be Stored by Caches ............................110
+   14.9.3   Modifications of the Basic Expiration Mechanism .........111
+   14.9.4   Cache Revalidation and Reload Controls ..................113
+   14.9.5   No-Transform Directive ..................................115
+   14.9.6   Cache Control Extensions ................................116
+   14.10   Connection ...............................................117
+   14.11   Content-Encoding .........................................118
+   14.12   Content-Language .........................................118
+   14.13   Content-Length ...........................................119
+   14.14   Content-Location .........................................120
+   14.15   Content-MD5 ..............................................121
+   14.16   Content-Range ............................................122
+   14.17   Content-Type .............................................124
+   14.18   Date .....................................................124
+   14.18.1   Clockless Origin Server Operation ......................125
+   14.19   ETag .....................................................126
+   14.20   Expect ...................................................126
+   14.21   Expires ..................................................127
+   14.22   From .....................................................128
+
+
+
+Fielding, et al.            Standards Track                     [Page 5]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   14.23   Host .....................................................128
+   14.24   If-Match .................................................129
+   14.25   If-Modified-Since ........................................130
+   14.26   If-None-Match ............................................132
+   14.27   If-Range .................................................133
+   14.28   If-Unmodified-Since ......................................134
+   14.29   Last-Modified ............................................134
+   14.30   Location .................................................135
+   14.31   Max-Forwards .............................................136
+   14.32   Pragma ...................................................136
+   14.33   Proxy-Authenticate .......................................137
+   14.34   Proxy-Authorization ......................................137
+   14.35   Range ....................................................138
+   14.35.1    Byte Ranges ...........................................138
+   14.35.2    Range Retrieval Requests ..............................139
+   14.36   Referer ..................................................140
+   14.37   Retry-After ..............................................141
+   14.38   Server ...................................................141
+   14.39   TE .......................................................142
+   14.40   Trailer ..................................................143
+   14.41  Transfer-Encoding..........................................143
+   14.42   Upgrade ..................................................144
+   14.43   User-Agent ...............................................145
+   14.44   Vary .....................................................145
+   14.45   Via ......................................................146
+   14.46   Warning ..................................................148
+   14.47   WWW-Authenticate .........................................150
+   15 Security Considerations .......................................150
+   15.1      Personal Information....................................151
+   15.1.1   Abuse of Server Log Information .........................151
+   15.1.2   Transfer of Sensitive Information .......................151
+   15.1.3   Encoding Sensitive Information in URI's .................152
+   15.1.4   Privacy Issues Connected to Accept Headers ..............152
+   15.2  Attacks Based On File and Path Names .......................153
+   15.3  DNS Spoofing ...............................................154
+   15.4  Location Headers and Spoofing ..............................154
+   15.5  Content-Disposition Issues .................................154
+   15.6  Authentication Credentials and Idle Clients ................155
+   15.7  Proxies and Caching ........................................155
+   15.7.1    Denial of Service Attacks on Proxies....................156
+   16   Acknowledgments .............................................156
+   17   References ..................................................158
+   18   Authors' Addresses ..........................................162
+   19   Appendices ..................................................164
+   19.1  Internet Media Type message/http and application/http ......164
+   19.2  Internet Media Type multipart/byteranges ...................165
+   19.3  Tolerant Applications ......................................166
+   19.4  Differences Between HTTP Entities and RFC 2045 Entities ....167
+
+
+
+Fielding, et al.            Standards Track                     [Page 6]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   19.4.1   MIME-Version ............................................167
+   19.4.2   Conversion to Canonical Form ............................167
+   19.4.3   Conversion of Date Formats ..............................168
+   19.4.4   Introduction of Content-Encoding ........................168
+   19.4.5   No Content-Transfer-Encoding ............................168
+   19.4.6   Introduction of Transfer-Encoding .......................169
+   19.4.7   MHTML and Line Length Limitations .......................169
+   19.5  Additional Features ........................................169
+   19.5.1   Content-Disposition .....................................170
+   19.6  Compatibility with Previous Versions .......................170
+   19.6.1   Changes from HTTP/1.0 ...................................171
+   19.6.2   Compatibility with HTTP/1.0 Persistent Connections ......172
+   19.6.3   Changes from RFC 2068 ...................................172
+   20   Index .......................................................175
+   21   Full Copyright Statement ....................................176
+
+1 Introduction
+
+1.1 Purpose
+
+   The Hypertext Transfer Protocol (HTTP) is an application-level
+   protocol for distributed, collaborative, hypermedia information
+   systems. HTTP has been in use by the World-Wide Web global
+   information initiative since 1990. The first version of HTTP,
+   referred to as HTTP/0.9, was a simple protocol for raw data transfer
+   across the Internet. HTTP/1.0, as defined by RFC 1945 [6], improved
+   the protocol by allowing messages to be in the format of MIME-like
+   messages, containing metainformation about the data transferred and
+   modifiers on the request/response semantics. However, HTTP/1.0 does
+   not sufficiently take into consideration the effects of hierarchical
+   proxies, caching, the need for persistent connections, or virtual
+   hosts. In addition, the proliferation of incompletely-implemented
+   applications calling themselves "HTTP/1.0" has necessitated a
+   protocol version change in order for two communicating applications
+   to determine each other's true capabilities.
+
+   This specification defines the protocol referred to as "HTTP/1.1".
+   This protocol includes more stringent requirements than HTTP/1.0 in
+   order to ensure reliable implementation of its features.
+
+   Practical information systems require more functionality than simple
+   retrieval, including search, front-end update, and annotation. HTTP
+   allows an open-ended set of methods and headers that indicate the
+   purpose of a request [47]. It builds on the discipline of reference
+   provided by the Uniform Resource Identifier (URI) [3], as a location
+   (URL) [4] or name (URN) [20], for indicating the resource to which a
+
+
+
+
+
+Fielding, et al.            Standards Track                     [Page 7]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   method is to be applied. Messages are passed in a format similar to
+   that used by Internet mail [9] as defined by the Multipurpose
+   Internet Mail Extensions (MIME) [7].
+
+   HTTP is also used as a generic protocol for communication between
+   user agents and proxies/gateways to other Internet systems, including
+   those supported by the SMTP [16], NNTP [13], FTP [18], Gopher [2],
+   and WAIS [10] protocols. In this way, HTTP allows basic hypermedia
+   access to resources available from diverse applications.
+
+1.2 Requirements
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
+   document are to be interpreted as described in RFC 2119 [34].
+
+   An implementation is not compliant if it fails to satisfy one or more
+   of the MUST or REQUIRED level requirements for the protocols it
+   implements. An implementation that satisfies all the MUST or REQUIRED
+   level and all the SHOULD level requirements for its protocols is said
+   to be "unconditionally compliant"; one that satisfies all the MUST
+   level requirements but not all the SHOULD level requirements for its
+   protocols is said to be "conditionally compliant."
+
+1.3 Terminology
+
+   This specification uses a number of terms to refer to the roles
+   played by participants in, and objects of, the HTTP communication.
+
+   connection
+      A transport layer virtual circuit established between two programs
+      for the purpose of communication.
+
+   message
+      The basic unit of HTTP communication, consisting of a structured
+      sequence of octets matching the syntax defined in section 4 and
+      transmitted via the connection.
+
+   request
+      An HTTP request message, as defined in section 5.
+
+   response
+      An HTTP response message, as defined in section 6.
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                     [Page 8]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   resource
+      A network data object or service that can be identified by a URI,
+      as defined in section 3.2. Resources may be available in multiple
+      representations (e.g. multiple languages, data formats, size, and
+      resolutions) or vary in other ways.
+
+   entity
+      The information transferred as the payload of a request or
+      response. An entity consists of metainformation in the form of
+      entity-header fields and content in the form of an entity-body, as
+      described in section 7.
+
+   representation
+      An entity included with a response that is subject to content
+      negotiation, as described in section 12. There may exist multiple
+      representations associated with a particular response status.
+
+   content negotiation
+      The mechanism for selecting the appropriate representation when
+      servicing a request, as described in section 12. The
+      representation of entities in any response can be negotiated
+      (including error responses).
+
+   variant
+      A resource may have one, or more than one, representation(s)
+      associated with it at any given instant. Each of these
+      representations is termed a `varriant'.  Use of the term `variant'
+      does not necessarily imply that the resource is subject to content
+      negotiation.
+
+   client
+      A program that establishes connections for the purpose of sending
+      requests.
+
+   user agent
+      The client which initiates a request. These are often browsers,
+      editors, spiders (web-traversing robots), or other end user tools.
+
+   server
+      An application program that accepts connections in order to
+      service requests by sending back responses. Any given program may
+      be capable of being both a client and a server; our use of these
+      terms refers only to the role being performed by the program for a
+      particular connection, rather than to the program's capabilities
+      in general. Likewise, any server may act as an origin server,
+      proxy, gateway, or tunnel, switching behavior based on the nature
+      of each request.
+
+
+
+
+Fielding, et al.            Standards Track                     [Page 9]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   origin server
+      The server on which a given resource resides or is to be created.
+
+   proxy
+      An intermediary program which acts as both a server and a client
+      for the purpose of making requests on behalf of other clients.
+      Requests are serviced internally or by passing them on, with
+      possible translation, to other servers. A proxy MUST implement
+      both the client and server requirements of this specification. A
+      "transparent proxy" is a proxy that does not modify the request or
+      response beyond what is required for proxy authentication and
+      identification. A "non-transparent proxy" is a proxy that modifies
+      the request or response in order to provide some added service to
+      the user agent, such as group annotation services, media type
+      transformation, protocol reduction, or anonymity filtering. Except
+      where either transparent or non-transparent behavior is explicitly
+      stated, the HTTP proxy requirements apply to both types of
+      proxies.
+
+   gateway
+      A server which acts as an intermediary for some other server.
+      Unlike a proxy, a gateway receives requests as if it were the
+      origin server for the requested resource; the requesting client
+      may not be aware that it is communicating with a gateway.
+
+   tunnel
+      An intermediary program which is acting as a blind relay between
+      two connections. Once active, a tunnel is not considered a party
+      to the HTTP communication, though the tunnel may have been
+      initiated by an HTTP request. The tunnel ceases to exist when both
+      ends of the relayed connections are closed.
+
+   cache
+      A program's local store of response messages and the subsystem
+      that controls its message storage, retrieval, and deletion. A
+      cache stores cacheable responses in order to reduce the response
+      time and network bandwidth consumption on future, equivalent
+      requests. Any client or server may include a cache, though a cache
+      cannot be used by a server that is acting as a tunnel.
+
+   cacheable
+      A response is cacheable if a cache is allowed to store a copy of
+      the response message for use in answering subsequent requests. The
+      rules for determining the cacheability of HTTP responses are
+      defined in section 13. Even if a resource is cacheable, there may
+      be additional constraints on whether a cache can use the cached
+      copy for a particular request.
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 10]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   first-hand
+      A response is first-hand if it comes directly and without
+      unnecessary delay from the origin server, perhaps via one or more
+      proxies. A response is also first-hand if its validity has just
+      been checked directly with the origin server.
+
+   explicit expiration time
+      The time at which the origin server intends that an entity should
+      no longer be returned by a cache without further validation.
+
+   heuristic expiration time
+      An expiration time assigned by a cache when no explicit expiration
+      time is available.
+
+   age
+      The age of a response is the time since it was sent by, or
+      successfully validated with, the origin server.
+
+   freshness lifetime
+      The length of time between the generation of a response and its
+      expiration time.
+
+   fresh
+      A response is fresh if its age has not yet exceeded its freshness
+      lifetime.
+
+   stale
+      A response is stale if its age has passed its freshness lifetime.
+
+   semantically transparent
+      A cache behaves in a "semantically transparent" manner, with
+      respect to a particular response, when its use affects neither the
+      requesting client nor the origin server, except to improve
+      performance. When a cache is semantically transparent, the client
+      receives exactly the same response (except for hop-by-hop headers)
+      that it would have received had its request been handled directly
+      by the origin server.
+
+   validator
+      A protocol element (e.g., an entity tag or a Last-Modified time)
+      that is used to find out whether a cache entry is an equivalent
+      copy of an entity.
+
+   upstream/downstream
+      Upstream and downstream describe the flow of a message: all
+      messages flow from upstream to downstream.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 11]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   inbound/outbound
+      Inbound and outbound refer to the request and response paths for
+      messages: "inbound" means "traveling toward the origin server",
+      and "outbound" means "traveling toward the user agent"
+
+1.4 Overall Operation
+
+   The HTTP protocol is a request/response protocol. A client sends a
+   request to the server in the form of a request method, URI, and
+   protocol version, followed by a MIME-like message containing request
+   modifiers, client information, and possible body content over a
+   connection with a server. The server responds with a status line,
+   including the message's protocol version and a success or error code,
+   followed by a MIME-like message containing server information, entity
+   metainformation, and possible entity-body content. The relationship
+   between HTTP and MIME is described in appendix 19.4.
+
+   Most HTTP communication is initiated by a user agent and consists of
+   a request to be applied to a resource on some origin server. In the
+   simplest case, this may be accomplished via a single connection (v)
+   between the user agent (UA) and the origin server (O).
+
+          request chain ------------------------>
+       UA -------------------v------------------- O
+          <----------------------- response chain
+
+   A more complicated situation occurs when one or more intermediaries
+   are present in the request/response chain. There are three common
+   forms of intermediary: proxy, gateway, and tunnel. A proxy is a
+   forwarding agent, receiving requests for a URI in its absolute form,
+   rewriting all or part of the message, and forwarding the reformatted
+   request toward the server identified by the URI. A gateway is a
+   receiving agent, acting as a layer above some other server(s) and, if
+   necessary, translating the requests to the underlying server's
+   protocol. A tunnel acts as a relay point between two connections
+   without changing the messages; tunnels are used when the
+   communication needs to pass through an intermediary (such as a
+   firewall) even when the intermediary cannot understand the contents
+   of the messages.
+
+          request chain -------------------------------------->
+       UA -----v----- A -----v----- B -----v----- C -----v----- O
+          <------------------------------------- response chain
+
+   The figure above shows three intermediaries (A, B, and C) between the
+   user agent and origin server. A request or response message that
+   travels the whole chain will pass through four separate connections.
+   This distinction is important because some HTTP communication options
+
+
+
+Fielding, et al.            Standards Track                    [Page 12]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   may apply only to the connection with the nearest, non-tunnel
+   neighbor, only to the end-points of the chain, or to all connections
+   along the chain. Although the diagram is linear, each participant may
+   be engaged in multiple, simultaneous communications. For example, B
+   may be receiving requests from many clients other than A, and/or
+   forwarding requests to servers other than C, at the same time that it
+   is handling A's request.
+
+   Any party to the communication which is not acting as a tunnel may
+   employ an internal cache for handling requests. The effect of a cache
+   is that the request/response chain is shortened if one of the
+   participants along the chain has a cached response applicable to that
+   request. The following illustrates the resulting chain if B has a
+   cached copy of an earlier response from O (via C) for a request which
+   has not been cached by UA or A.
+
+          request chain ---------->
+       UA -----v----- A -----v----- B - - - - - - C - - - - - - O
+          <--------- response chain
+
+   Not all responses are usefully cacheable, and some requests may
+   contain modifiers which place special requirements on cache behavior.
+   HTTP requirements for cache behavior and cacheable responses are
+   defined in section 13.
+
+   In fact, there are a wide variety of architectures and configurations
+   of caches and proxies currently being experimented with or deployed
+   across the World Wide Web. These systems include national hierarchies
+   of proxy caches to save transoceanic bandwidth, systems that
+   broadcast or multicast cache entries, organizations that distribute
+   subsets of cached data via CD-ROM, and so on. HTTP systems are used
+   in corporate intranets over high-bandwidth links, and for access via
+   PDAs with low-power radio links and intermittent connectivity. The
+   goal of HTTP/1.1 is to support the wide diversity of configurations
+   already deployed while introducing protocol constructs that meet the
+   needs of those who build web applications that require high
+   reliability and, failing that, at least reliable indications of
+   failure.
+
+   HTTP communication usually takes place over TCP/IP connections. The
+   default port is TCP 80 [19], but other ports can be used. This does
+   not preclude HTTP from being implemented on top of any other protocol
+   on the Internet, or on other networks. HTTP only presumes a reliable
+   transport; any protocol that provides such guarantees can be used;
+   the mapping of the HTTP/1.1 request and response structures onto the
+   transport data units of the protocol in question is outside the scope
+   of this specification.
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 13]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   In HTTP/1.0, most implementations used a new connection for each
+   request/response exchange. In HTTP/1.1, a connection may be used for
+   one or more request/response exchanges, although connections may be
+   closed for a variety of reasons (see section 8.1).
+
+2 Notational Conventions and Generic Grammar
+
+2.1 Augmented BNF
+
+   All of the mechanisms specified in this document are described in
+   both prose and an augmented Backus-Naur Form (BNF) similar to that
+   used by RFC 822 [9]. Implementors will need to be familiar with the
+   notation in order to understand this specification. The augmented BNF
+   includes the following constructs:
+
+   name = definition
+      The name of a rule is simply the name itself (without any
+      enclosing "<" and ">") and is separated from its definition by the
+      equal "=" character. White space is only significant in that
+      indentation of continuation lines is used to indicate a rule
+      definition that spans more than one line. Certain basic rules are
+      in uppercase, such as SP, LWS, HT, CRLF, DIGIT, ALPHA, etc. Angle
+      brackets are used within definitions whenever their presence will
+      facilitate discerning the use of rule names.
+
+   "literal"
+      Quotation marks surround literal text. Unless stated otherwise,
+      the text is case-insensitive.
+
+   rule1 | rule2
+      Elements separated by a bar ("|") are alternatives, e.g., "yes |
+      no" will accept yes or no.
+
+   (rule1 rule2)
+      Elements enclosed in parentheses are treated as a single element.
+      Thus, "(elem (foo | bar) elem)" allows the token sequences "elem
+      foo elem" and "elem bar elem".
+
+   *rule
+      The character "*" preceding an element indicates repetition. The
+      full form is "<n>*<m>element" indicating at least <n> and at most
+      <m> occurrences of element. Default values are 0 and infinity so
+      that "*(element)" allows any number, including zero; "1*element"
+      requires at least one; and "1*2element" allows one or two.
+
+   [rule]
+      Square brackets enclose optional elements; "[foo bar]" is
+      equivalent to "*1(foo bar)".
+
+
+
+Fielding, et al.            Standards Track                    [Page 14]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   N rule
+      Specific repetition: "<n>(element)" is equivalent to
+      "<n>*<n>(element)"; that is, exactly <n> occurrences of (element).
+      Thus 2DIGIT is a 2-digit number, and 3ALPHA is a string of three
+      alphabetic characters.
+
+   #rule
+      A construct "#" is defined, similar to "*", for defining lists of
+      elements. The full form is "<n>#<m>element" indicating at least
+      <n> and at most <m> elements, each separated by one or more commas
+      (",") and OPTIONAL linear white space (LWS). This makes the usual
+      form of lists very easy; a rule such as
+         ( *LWS element *( *LWS "," *LWS element ))
+      can be shown as
+         1#element
+      Wherever this construct is used, null elements are allowed, but do
+      not contribute to the count of elements present. That is,
+      "(element), , (element) " is permitted, but counts as only two
+      elements. Therefore, where at least one element is required, at
+      least one non-null element MUST be present. Default values are 0
+      and infinity so that "#element" allows any number, including zero;
+      "1#element" requires at least one; and "1#2element" allows one or
+      two.
+
+   ; comment
+      A semi-colon, set off some distance to the right of rule text,
+      starts a comment that continues to the end of line. This is a
+      simple way of including useful notes in parallel with the
+      specifications.
+
+   implied *LWS
+      The grammar described by this specification is word-based. Except
+      where noted otherwise, linear white space (LWS) can be included
+      between any two adjacent words (token or quoted-string), and
+      between adjacent words and separators, without changing the
+      interpretation of a field. At least one delimiter (LWS and/or
+
+      separators) MUST exist between any two tokens (for the definition
+      of "token" below), since they would otherwise be interpreted as a
+      single token.
+
+2.2 Basic Rules
+
+   The following rules are used throughout this specification to
+   describe basic parsing constructs. The US-ASCII coded character set
+   is defined by ANSI X3.4-1986 [21].
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 15]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+       OCTET          = <any 8-bit sequence of data>
+       CHAR           = <any US-ASCII character (octets 0 - 127)>
+       UPALPHA        = <any US-ASCII uppercase letter "A".."Z">
+       LOALPHA        = <any US-ASCII lowercase letter "a".."z">
+       ALPHA          = UPALPHA | LOALPHA
+       DIGIT          = <any US-ASCII digit "0".."9">
+       CTL            = <any US-ASCII control character
+                        (octets 0 - 31) and DEL (127)>
+       CR             = <US-ASCII CR, carriage return (13)>
+       LF             = <US-ASCII LF, linefeed (10)>
+       SP             = <US-ASCII SP, space (32)>
+       HT             = <US-ASCII HT, horizontal-tab (9)>
+       <">            = <US-ASCII double-quote mark (34)>
+
+   HTTP/1.1 defines the sequence CR LF as the end-of-line marker for all
+   protocol elements except the entity-body (see appendix 19.3 for
+   tolerant applications). The end-of-line marker within an entity-body
+   is defined by its associated media type, as described in section 3.7.
+
+       CRLF           = CR LF
+
+   HTTP/1.1 header field values can be folded onto multiple lines if the
+   continuation line begins with a space or horizontal tab. All linear
+   white space, including folding, has the same semantics as SP. A
+   recipient MAY replace any linear white space with a single SP before
+   interpreting the field value or forwarding the message downstream.
+
+       LWS            = [CRLF] 1*( SP | HT )
+
+   The TEXT rule is only used for descriptive field contents and values
+   that are not intended to be interpreted by the message parser. Words
+   of *TEXT MAY contain characters from character sets other than ISO-
+   8859-1 [22] only when encoded according to the rules of RFC 2047
+   [14].
+
+       TEXT           = <any OCTET except CTLs,
+                        but including LWS>
+
+   A CRLF is allowed in the definition of TEXT only as part of a header
+   field continuation. It is expected that the folding LWS will be
+   replaced with a single SP before interpretation of the TEXT value.
+
+   Hexadecimal numeric characters are used in several protocol elements.
+
+       HEX            = "A" | "B" | "C" | "D" | "E" | "F"
+                      | "a" | "b" | "c" | "d" | "e" | "f" | DIGIT
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 16]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Many HTTP/1.1 header field values consist of words separated by LWS
+   or special characters. These special characters MUST be in a quoted
+   string to be used within a parameter value (as defined in section
+   3.6).
+
+       token          = 1*<any CHAR except CTLs or separators>
+       separators     = "(" | ")" | "<" | ">" | "@"
+                      | "," | ";" | ":" | "\" | <">
+                      | "/" | "[" | "]" | "?" | "="
+                      | "{" | "}" | SP | HT
+
+   Comments can be included in some HTTP header fields by surrounding
+   the comment text with parentheses. Comments are only allowed in
+   fields containing "comment" as part of their field value definition.
+   In all other fields, parentheses are considered part of the field
+   value.
+
+       comment        = "(" *( ctext | quoted-pair | comment ) ")"
+       ctext          = <any TEXT excluding "(" and ")">
+
+   A string of text is parsed as a single word if it is quoted using
+   double-quote marks.
+
+       quoted-string  = ( <"> *(qdtext | quoted-pair ) <"> )
+       qdtext         = <any TEXT except <">>
+
+   The backslash character ("\") MAY be used as a single-character
+   quoting mechanism only within quoted-string and comment constructs.
+
+       quoted-pair    = "\" CHAR
+
+3 Protocol Parameters
+
+3.1 HTTP Version
+
+   HTTP uses a "<major>.<minor>" numbering scheme to indicate versions
+   of the protocol. The protocol versioning policy is intended to allow
+   the sender to indicate the format of a message and its capacity for
+   understanding further HTTP communication, rather than the features
+   obtained via that communication. No change is made to the version
+   number for the addition of message components which do not affect
+   communication behavior or which only add to extensible field values.
+   The <minor> number is incremented when the changes made to the
+   protocol add features which do not change the general message parsing
+   algorithm, but which may add to the message semantics and imply
+   additional capabilities of the sender. The <major> number is
+   incremented when the format of a message within the protocol is
+   changed. See RFC 2145 [36] for a fuller explanation.
+
+
+
+Fielding, et al.            Standards Track                    [Page 17]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The version of an HTTP message is indicated by an HTTP-Version field
+   in the first line of the message.
+
+       HTTP-Version   = "HTTP" "/" 1*DIGIT "." 1*DIGIT
+
+   Note that the major and minor numbers MUST be treated as separate
+   integers and that each MAY be incremented higher than a single digit.
+   Thus, HTTP/2.4 is a lower version than HTTP/2.13, which in turn is
+   lower than HTTP/12.3. Leading zeros MUST be ignored by recipients and
+   MUST NOT be sent.
+
+   An application that sends a request or response message that includes
+   HTTP-Version of "HTTP/1.1" MUST be at least conditionally compliant
+   with this specification. Applications that are at least conditionally
+   compliant with this specification SHOULD use an HTTP-Version of
+   "HTTP/1.1" in their messages, and MUST do so for any message that is
+   not compatible with HTTP/1.0. For more details on when to send
+   specific HTTP-Version values, see RFC 2145 [36].
+
+   The HTTP version of an application is the highest HTTP version for
+   which the application is at least conditionally compliant.
+
+   Proxy and gateway applications need to be careful when forwarding
+   messages in protocol versions different from that of the application.
+   Since the protocol version indicates the protocol capability of the
+   sender, a proxy/gateway MUST NOT send a message with a version
+   indicator which is greater than its actual version. If a higher
+   version request is received, the proxy/gateway MUST either downgrade
+   the request version, or respond with an error, or switch to tunnel
+   behavior.
+
+   Due to interoperability problems with HTTP/1.0 proxies discovered
+   since the publication of RFC 2068[33], caching proxies MUST, gateways
+   MAY, and tunnels MUST NOT upgrade the request to the highest version
+   they support. The proxy/gateway's response to that request MUST be in
+   the same major version as the request.
+
+      Note: Converting between versions of HTTP may involve modification
+      of header fields required or forbidden by the versions involved.
+
+3.2 Uniform Resource Identifiers
+
+   URIs have been known by many names: WWW addresses, Universal Document
+   Identifiers, Universal Resource Identifiers [3], and finally the
+   combination of Uniform Resource Locators (URL) [4] and Names (URN)
+   [20]. As far as HTTP is concerned, Uniform Resource Identifiers are
+   simply formatted strings which identify--via name, location, or any
+   other characteristic--a resource.
+
+
+
+Fielding, et al.            Standards Track                    [Page 18]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+3.2.1 General Syntax
+
+   URIs in HTTP can be represented in absolute form or relative to some
+   known base URI [11], depending upon the context of their use. The two
+   forms are differentiated by the fact that absolute URIs always begin
+   with a scheme name followed by a colon. For definitive information on
+   URL syntax and semantics, see "Uniform Resource Identifiers (URI):
+   Generic Syntax and Semantics," RFC 2396 [42] (which replaces RFCs
+   1738 [4] and RFC 1808 [11]). This specification adopts the
+   definitions of "URI-reference", "absoluteURI", "relativeURI", "port",
+   "host","abs_path", "rel_path", and "authority" from that
+   specification.
+
+   The HTTP protocol does not place any a priori limit on the length of
+   a URI. Servers MUST be able to handle the URI of any resource they
+   serve, and SHOULD be able to handle URIs of unbounded length if they
+   provide GET-based forms that could generate such URIs. A server
+   SHOULD return 414 (Request-URI Too Long) status if a URI is longer
+   than the server can handle (see section 10.4.15).
+
+      Note: Servers ought to be cautious about depending on URI lengths
+      above 255 bytes, because some older client or proxy
+      implementations might not properly support these lengths.
+
+3.2.2 http URL
+
+   The "http" scheme is used to locate network resources via the HTTP
+   protocol. This section defines the scheme-specific syntax and
+   semantics for http URLs.
+
+   http_URL = "http:" "//" host [ ":" port ] [ abs_path [ "?" query ]]
+
+   If the port is empty or not given, port 80 is assumed. The semantics
+   are that the identified resource is located at the server listening
+   for TCP connections on that port of that host, and the Request-URI
+   for the resource is abs_path (section 5.1.2). The use of IP addresses
+   in URLs SHOULD be avoided whenever possible (see RFC 1900 [24]). If
+   the abs_path is not present in the URL, it MUST be given as "/" when
+   used as a Request-URI for a resource (section 5.1.2). If a proxy
+   receives a host name which is not a fully qualified domain name, it
+   MAY add its domain to the host name it received. If a proxy receives
+   a fully qualified domain name, the proxy MUST NOT change the host
+   name.
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 19]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+3.2.3 URI Comparison
+
+   When comparing two URIs to decide if they match or not, a client
+   SHOULD use a case-sensitive octet-by-octet comparison of the entire
+   URIs, with these exceptions:
+
+      - A port that is empty or not given is equivalent to the default
+        port for that URI-reference;
+
+        - Comparisons of host names MUST be case-insensitive;
+
+        - Comparisons of scheme names MUST be case-insensitive;
+
+        - An empty abs_path is equivalent to an abs_path of "/".
+
+   Characters other than those in the "reserved" and "unsafe" sets (see
+   RFC 2396 [42]) are equivalent to their ""%" HEX HEX" encoding.
+
+   For example, the following three URIs are equivalent:
+
+      http://abc.com:80/~smith/home.html
+      http://ABC.com/%7Esmith/home.html
+      http://ABC.com:/%7esmith/home.html
+
+3.3 Date/Time Formats
+
+3.3.1 Full Date
+
+   HTTP applications have historically allowed three different formats
+   for the representation of date/time stamps:
+
+      Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
+      Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
+      Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format
+
+   The first format is preferred as an Internet standard and represents
+   a fixed-length subset of that defined by RFC 1123 [8] (an update to
+   RFC 822 [9]). The second format is in common use, but is based on the
+   obsolete RFC 850 [12] date format and lacks a four-digit year.
+   HTTP/1.1 clients and servers that parse the date value MUST accept
+   all three formats (for compatibility with HTTP/1.0), though they MUST
+   only generate the RFC 1123 format for representing HTTP-date values
+   in header fields. See section 19.3 for further information.
+
+      Note: Recipients of date values are encouraged to be robust in
+      accepting date values that may have been sent by non-HTTP
+      applications, as is sometimes the case when retrieving or posting
+      messages via proxies/gateways to SMTP or NNTP.
+
+
+
+Fielding, et al.            Standards Track                    [Page 20]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   All HTTP date/time stamps MUST be represented in Greenwich Mean Time
+   (GMT), without exception. For the purposes of HTTP, GMT is exactly
+   equal to UTC (Coordinated Universal Time). This is indicated in the
+   first two formats by the inclusion of "GMT" as the three-letter
+   abbreviation for time zone, and MUST be assumed when reading the
+   asctime format. HTTP-date is case sensitive and MUST NOT include
+   additional LWS beyond that specifically included as SP in the
+   grammar.
+
+       HTTP-date    = rfc1123-date | rfc850-date | asctime-date
+       rfc1123-date = wkday "," SP date1 SP time SP "GMT"
+       rfc850-date  = weekday "," SP date2 SP time SP "GMT"
+       asctime-date = wkday SP date3 SP time SP 4DIGIT
+       date1        = 2DIGIT SP month SP 4DIGIT
+                      ; day month year (e.g., 02 Jun 1982)
+       date2        = 2DIGIT "-" month "-" 2DIGIT
+                      ; day-month-year (e.g., 02-Jun-82)
+       date3        = month SP ( 2DIGIT | ( SP 1DIGIT ))
+                      ; month day (e.g., Jun  2)
+       time         = 2DIGIT ":" 2DIGIT ":" 2DIGIT
+                      ; 00:00:00 - 23:59:59
+       wkday        = "Mon" | "Tue" | "Wed"
+                    | "Thu" | "Fri" | "Sat" | "Sun"
+       weekday      = "Monday" | "Tuesday" | "Wednesday"
+                    | "Thursday" | "Friday" | "Saturday" | "Sunday"
+       month        = "Jan" | "Feb" | "Mar" | "Apr"
+                    | "May" | "Jun" | "Jul" | "Aug"
+                    | "Sep" | "Oct" | "Nov" | "Dec"
+
+      Note: HTTP requirements for the date/time stamp format apply only
+      to their usage within the protocol stream. Clients and servers are
+      not required to use these formats for user presentation, request
+      logging, etc.
+
+3.3.2 Delta Seconds
+
+   Some HTTP header fields allow a time value to be specified as an
+   integer number of seconds, represented in decimal, after the time
+   that the message was received.
+
+       delta-seconds  = 1*DIGIT
+
+3.4 Character Sets
+
+   HTTP uses the same definition of the term "character set" as that
+   described for MIME:
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 21]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The term "character set" is used in this document to refer to a
+   method used with one or more tables to convert a sequence of octets
+   into a sequence of characters. Note that unconditional conversion in
+   the other direction is not required, in that not all characters may
+   be available in a given character set and a character set may provide
+   more than one sequence of octets to represent a particular character.
+   This definition is intended to allow various kinds of character
+   encoding, from simple single-table mappings such as US-ASCII to
+   complex table switching methods such as those that use ISO-2022's
+   techniques. However, the definition associated with a MIME character
+   set name MUST fully specify the mapping to be performed from octets
+   to characters. In particular, use of external profiling information
+   to determine the exact mapping is not permitted.
+
+      Note: This use of the term "character set" is more commonly
+      referred to as a "character encoding." However, since HTTP and
+      MIME share the same registry, it is important that the terminology
+      also be shared.
+
+   HTTP character sets are identified by case-insensitive tokens. The
+   complete set of tokens is defined by the IANA Character Set registry
+   [19].
+
+       charset = token
+
+   Although HTTP allows an arbitrary token to be used as a charset
+   value, any token that has a predefined value within the IANA
+   Character Set registry [19] MUST represent the character set defined
+   by that registry. Applications SHOULD limit their use of character
+   sets to those defined by the IANA registry.
+
+   Implementors should be aware of IETF character set requirements [38]
+   [41].
+
+3.4.1 Missing Charset
+
+   Some HTTP/1.0 software has interpreted a Content-Type header without
+   charset parameter incorrectly to mean "recipient should guess."
+   Senders wishing to defeat this behavior MAY include a charset
+   parameter even when the charset is ISO-8859-1 and SHOULD do so when
+   it is known that it will not confuse the recipient.
+
+   Unfortunately, some older HTTP/1.0 clients did not deal properly with
+   an explicit charset parameter. HTTP/1.1 recipients MUST respect the
+   charset label provided by the sender; and those user agents that have
+   a provision to "guess" a charset MUST use the charset from the
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 22]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   content-type field if they support that charset, rather than the
+   recipient's preference, when initially displaying a document. See
+   section 3.7.1.
+
+3.5 Content Codings
+
+   Content coding values indicate an encoding transformation that has
+   been or can be applied to an entity. Content codings are primarily
+   used to allow a document to be compressed or otherwise usefully
+   transformed without losing the identity of its underlying media type
+   and without loss of information. Frequently, the entity is stored in
+   coded form, transmitted directly, and only decoded by the recipient.
+
+       content-coding   = token
+
+   All content-coding values are case-insensitive. HTTP/1.1 uses
+   content-coding values in the Accept-Encoding (section 14.3) and
+   Content-Encoding (section 14.11) header fields. Although the value
+   describes the content-coding, what is more important is that it
+   indicates what decoding mechanism will be required to remove the
+   encoding.
+
+   The Internet Assigned Numbers Authority (IANA) acts as a registry for
+   content-coding value tokens. Initially, the registry contains the
+   following tokens:
+
+   gzip An encoding format produced by the file compression program
+        "gzip" (GNU zip) as described in RFC 1952 [25]. This format is a
+        Lempel-Ziv coding (LZ77) with a 32 bit CRC.
+
+   compress
+        The encoding format produced by the common UNIX file compression
+        program "compress". This format is an adaptive Lempel-Ziv-Welch
+        coding (LZW).
+
+        Use of program names for the identification of encoding formats
+        is not desirable and is discouraged for future encodings. Their
+        use here is representative of historical practice, not good
+        design. For compatibility with previous implementations of HTTP,
+        applications SHOULD consider "x-gzip" and "x-compress" to be
+        equivalent to "gzip" and "compress" respectively.
+
+   deflate
+        The "zlib" format defined in RFC 1950 [31] in combination with
+        the "deflate" compression mechanism described in RFC 1951 [29].
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 23]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   identity
+        The default (identity) encoding; the use of no transformation
+        whatsoever. This content-coding is used only in the Accept-
+        Encoding header, and SHOULD NOT be used in the Content-Encoding
+        header.
+
+   New content-coding value tokens SHOULD be registered; to allow
+   interoperability between clients and servers, specifications of the
+   content coding algorithms needed to implement a new value SHOULD be
+   publicly available and adequate for independent implementation, and
+   conform to the purpose of content coding defined in this section.
+
+3.6 Transfer Codings
+
+   Transfer-coding values are used to indicate an encoding
+   transformation that has been, can be, or may need to be applied to an
+   entity-body in order to ensure "safe transport" through the network.
+   This differs from a content coding in that the transfer-coding is a
+   property of the message, not of the original entity.
+
+       transfer-coding         = "chunked" | transfer-extension
+       transfer-extension      = token *( ";" parameter )
+
+   Parameters are in  the form of attribute/value pairs.
+
+       parameter               = attribute "=" value
+       attribute               = token
+       value                   = token | quoted-string
+
+   All transfer-coding values are case-insensitive. HTTP/1.1 uses
+   transfer-coding values in the TE header field (section 14.39) and in
+   the Transfer-Encoding header field (section 14.41).
+
+   Whenever a transfer-coding is applied to a message-body, the set of
+   transfer-codings MUST include "chunked", unless the message is
+   terminated by closing the connection. When the "chunked" transfer-
+   coding is used, it MUST be the last transfer-coding applied to the
+   message-body. The "chunked" transfer-coding MUST NOT be applied more
+   than once to a message-body. These rules allow the recipient to
+   determine the transfer-length of the message (section 4.4).
+
+   Transfer-codings are analogous to the Content-Transfer-Encoding
+   values of MIME [7], which were designed to enable safe transport of
+   binary data over a 7-bit transport service. However, safe transport
+   has a different focus for an 8bit-clean transfer protocol. In HTTP,
+   the only unsafe characteristic of message-bodies is the difficulty in
+   determining the exact body length (section 7.2.2), or the desire to
+   encrypt data over a shared transport.
+
+
+
+Fielding, et al.            Standards Track                    [Page 24]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The Internet Assigned Numbers Authority (IANA) acts as a registry for
+   transfer-coding value tokens. Initially, the registry contains the
+   following tokens: "chunked" (section 3.6.1), "identity" (section
+   3.6.2), "gzip" (section 3.5), "compress" (section 3.5), and "deflate"
+   (section 3.5).
+
+   New transfer-coding value tokens SHOULD be registered in the same way
+   as new content-coding value tokens (section 3.5).
+
+   A server which receives an entity-body with a transfer-coding it does
+   not understand SHOULD return 501 (Unimplemented), and close the
+   connection. A server MUST NOT send transfer-codings to an HTTP/1.0
+   client.
+
+3.6.1 Chunked Transfer Coding
+
+   The chunked encoding modifies the body of a message in order to
+   transfer it as a series of chunks, each with its own size indicator,
+   followed by an OPTIONAL trailer containing entity-header fields. This
+   allows dynamically produced content to be transferred along with the
+   information necessary for the recipient to verify that it has
+   received the full message.
+
+       Chunked-Body   = *chunk
+                        last-chunk
+                        trailer
+                        CRLF
+
+       chunk          = chunk-size [ chunk-extension ] CRLF
+                        chunk-data CRLF
+       chunk-size     = 1*HEX
+       last-chunk     = 1*("0") [ chunk-extension ] CRLF
+
+       chunk-extension= *( ";" chunk-ext-name [ "=" chunk-ext-val ] )
+       chunk-ext-name = token
+       chunk-ext-val  = token | quoted-string
+       chunk-data     = chunk-size(OCTET)
+       trailer        = *(entity-header CRLF)
+
+   The chunk-size field is a string of hex digits indicating the size of
+   the chunk. The chunked encoding is ended by any chunk whose size is
+   zero, followed by the trailer, which is terminated by an empty line.
+
+   The trailer allows the sender to include additional HTTP header
+   fields at the end of the message. The Trailer header field can be
+   used to indicate which header fields are included in a trailer (see
+   section 14.40).
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 25]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   A server using chunked transfer-coding in a response MUST NOT use the
+   trailer for any header fields unless at least one of the following is
+   true:
+
+   a)the request included a TE header field that indicates "trailers" is
+     acceptable in the transfer-coding of the  response, as described in
+     section 14.39; or,
+
+   b)the server is the origin server for the response, the trailer
+     fields consist entirely of optional metadata, and the recipient
+     could use the message (in a manner acceptable to the origin server)
+     without receiving this metadata.  In other words, the origin server
+     is willing to accept the possibility that the trailer fields might
+     be silently discarded along the path to the client.
+
+   This requirement prevents an interoperability failure when the
+   message is being received by an HTTP/1.1 (or later) proxy and
+   forwarded to an HTTP/1.0 recipient. It avoids a situation where
+   compliance with the protocol would have necessitated a possibly
+   infinite buffer on the proxy.
+
+   An example process for decoding a Chunked-Body is presented in
+   appendix 19.4.6.
+
+   All HTTP/1.1 applications MUST be able to receive and decode the
+   "chunked" transfer-coding, and MUST ignore chunk-extension extensions
+   they do not understand.
+
+3.7 Media Types
+
+   HTTP uses Internet Media Types [17] in the Content-Type (section
+   14.17) and Accept (section 14.1) header fields in order to provide
+   open and extensible data typing and type negotiation.
+
+       media-type     = type "/" subtype *( ";" parameter )
+       type           = token
+       subtype        = token
+
+   Parameters MAY follow the type/subtype in the form of attribute/value
+   pairs (as defined in section 3.6).
+
+   The type, subtype, and parameter attribute names are case-
+   insensitive. Parameter values might or might not be case-sensitive,
+   depending on the semantics of the parameter name. Linear white space
+   (LWS) MUST NOT be used between the type and subtype, nor between an
+   attribute and its value. The presence or absence of a parameter might
+   be significant to the processing of a media-type, depending on its
+   definition within the media type registry.
+
+
+
+Fielding, et al.            Standards Track                    [Page 26]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Note that some older HTTP applications do not recognize media type
+   parameters. When sending data to older HTTP applications,
+   implementations SHOULD only use media type parameters when they are
+   required by that type/subtype definition.
+
+   Media-type values are registered with the Internet Assigned Number
+   Authority (IANA [19]). The media type registration process is
+   outlined in RFC 1590 [17]. Use of non-registered media types is
+   discouraged.
+
+3.7.1 Canonicalization and Text Defaults
+
+   Internet media types are registered with a canonical form. An
+   entity-body transferred via HTTP messages MUST be represented in the
+   appropriate canonical form prior to its transmission except for
+   "text" types, as defined in the next paragraph.
+
+   When in canonical form, media subtypes of the "text" type use CRLF as
+   the text line break. HTTP relaxes this requirement and allows the
+   transport of text media with plain CR or LF alone representing a line
+   break when it is done consistently for an entire entity-body. HTTP
+   applications MUST accept CRLF, bare CR, and bare LF as being
+   representative of a line break in text media received via HTTP. In
+   addition, if the text is represented in a character set that does not
+   use octets 13 and 10 for CR and LF respectively, as is the case for
+   some multi-byte character sets, HTTP allows the use of whatever octet
+   sequences are defined by that character set to represent the
+   equivalent of CR and LF for line breaks. This flexibility regarding
+   line breaks applies only to text media in the entity-body; a bare CR
+   or LF MUST NOT be substituted for CRLF within any of the HTTP control
+   structures (such as header fields and multipart boundaries).
+
+   If an entity-body is encoded with a content-coding, the underlying
+   data MUST be in a form defined above prior to being encoded.
+
+   The "charset" parameter is used with some media types to define the
+   character set (section 3.4) of the data. When no explicit charset
+   parameter is provided by the sender, media subtypes of the "text"
+   type are defined to have a default charset value of "ISO-8859-1" when
+   received via HTTP. Data in character sets other than "ISO-8859-1" or
+   its subsets MUST be labeled with an appropriate charset value. See
+   section 3.4.1 for compatibility problems.
+
+3.7.2 Multipart Types
+
+   MIME provides for a number of "multipart" types -- encapsulations of
+   one or more entities within a single message-body. All multipart
+   types share a common syntax, as defined in section 5.1.1 of RFC 2046
+
+
+
+Fielding, et al.            Standards Track                    [Page 27]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   [40], and MUST include a boundary parameter as part of the media type
+   value. The message body is itself a protocol element and MUST
+   therefore use only CRLF to represent line breaks between body-parts.
+   Unlike in RFC 2046, the epilogue of any multipart message MUST be
+   empty; HTTP applications MUST NOT transmit the epilogue (even if the
+   original multipart contains an epilogue). These restrictions exist in
+   order to preserve the self-delimiting nature of a multipart message-
+   body, wherein the "end" of the message-body is indicated by the
+   ending multipart boundary.
+
+   In general, HTTP treats a multipart message-body no differently than
+   any other media type: strictly as payload. The one exception is the
+   "multipart/byteranges" type (appendix 19.2) when it appears in a 206
+   (Partial Content) response, which will be interpreted by some HTTP
+   caching mechanisms as described in sections 13.5.4 and 14.16. In all
+   other cases, an HTTP user agent SHOULD follow the same or similar
+   behavior as a MIME user agent would upon receipt of a multipart type.
+   The MIME header fields within each body-part of a multipart message-
+   body do not have any significance to HTTP beyond that defined by
+   their MIME semantics.
+
+   In general, an HTTP user agent SHOULD follow the same or similar
+   behavior as a MIME user agent would upon receipt of a multipart type.
+   If an application receives an unrecognized multipart subtype, the
+   application MUST treat it as being equivalent to "multipart/mixed".
+
+      Note: The "multipart/form-data" type has been specifically defined
+      for carrying form data suitable for processing via the POST
+      request method, as described in RFC 1867 [15].
+
+3.8 Product Tokens
+
+   Product tokens are used to allow communicating applications to
+   identify themselves by software name and version. Most fields using
+   product tokens also allow sub-products which form a significant part
+   of the application to be listed, separated by white space. By
+   convention, the products are listed in order of their significance
+   for identifying the application.
+
+       product         = token ["/" product-version]
+       product-version = token
+
+   Examples:
+
+       User-Agent: CERN-LineMode/2.15 libwww/2.17b3
+       Server: Apache/0.8.4
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 28]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Product tokens SHOULD be short and to the point. They MUST NOT be
+   used for advertising or other non-essential information. Although any
+   token character MAY appear in a product-version, this token SHOULD
+   only be used for a version identifier (i.e., successive versions of
+   the same product SHOULD only differ in the product-version portion of
+   the product value).
+
+3.9 Quality Values
+
+   HTTP content negotiation (section 12) uses short "floating point"
+   numbers to indicate the relative importance ("weight") of various
+   negotiable parameters.  A weight is normalized to a real number in
+   the range 0 through 1, where 0 is the minimum and 1 the maximum
+   value. If a parameter has a quality value of 0, then content with
+   this parameter is `not acceptable' for the client. HTTP/1.1
+   applications MUST NOT generate more than three digits after the
+   decimal point. User configuration of these values SHOULD also be
+   limited in this fashion.
+
+       qvalue         = ( "0" [ "." 0*3DIGIT ] )
+                      | ( "1" [ "." 0*3("0") ] )
+
+   "Quality values" is a misnomer, since these values merely represent
+   relative degradation in desired quality.
+
+3.10 Language Tags
+
+   A language tag identifies a natural language spoken, written, or
+   otherwise conveyed by human beings for communication of information
+   to other human beings. Computer languages are explicitly excluded.
+   HTTP uses language tags within the Accept-Language and Content-
+   Language fields.
+
+   The syntax and registry of HTTP language tags is the same as that
+   defined by RFC 1766 [1]. In summary, a language tag is composed of 1
+   or more parts: A primary language tag and a possibly empty series of
+   subtags:
+
+        language-tag  = primary-tag *( "-" subtag )
+        primary-tag   = 1*8ALPHA
+        subtag        = 1*8ALPHA
+
+   White space is not allowed within the tag and all tags are case-
+   insensitive. The name space of language tags is administered by the
+   IANA. Example tags include:
+
+       en, en-US, en-cockney, i-cherokee, x-pig-latin
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 29]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   where any two-letter primary-tag is an ISO-639 language abbreviation
+   and any two-letter initial subtag is an ISO-3166 country code. (The
+   last three tags above are not registered tags; all but the last are
+   examples of tags which could be registered in future.)
+
+3.11 Entity Tags
+
+   Entity tags are used for comparing two or more entities from the same
+   requested resource. HTTP/1.1 uses entity tags in the ETag (section
+   14.19), If-Match (section 14.24), If-None-Match (section 14.26), and
+   If-Range (section 14.27) header fields. The definition of how they
+   are used and compared as cache validators is in section 13.3.3. An
+   entity tag consists of an opaque quoted string, possibly prefixed by
+   a weakness indicator.
+
+      entity-tag = [ weak ] opaque-tag
+      weak       = "W/"
+      opaque-tag = quoted-string
+
+   A "strong entity tag" MAY be shared by two entities of a resource
+   only if they are equivalent by octet equality.
+
+   A "weak entity tag," indicated by the "W/" prefix, MAY be shared by
+   two entities of a resource only if the entities are equivalent and
+   could be substituted for each other with no significant change in
+   semantics. A weak entity tag can only be used for weak comparison.
+
+   An entity tag MUST be unique across all versions of all entities
+   associated with a particular resource. A given entity tag value MAY
+   be used for entities obtained by requests on different URIs. The use
+   of the same entity tag value in conjunction with entities obtained by
+   requests on different URIs does not imply the equivalence of those
+   entities.
+
+3.12 Range Units
+
+   HTTP/1.1 allows a client to request that only part (a range of) the
+   response entity be included within the response. HTTP/1.1 uses range
+   units in the Range (section 14.35) and Content-Range (section 14.16)
+   header fields. An entity can be broken down into subranges according
+   to various structural units.
+
+      range-unit       = bytes-unit | other-range-unit
+      bytes-unit       = "bytes"
+      other-range-unit = token
+
+   The only range unit defined by HTTP/1.1 is "bytes". HTTP/1.1
+   implementations MAY ignore ranges specified using other units.
+
+
+
+Fielding, et al.            Standards Track                    [Page 30]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   HTTP/1.1 has been designed to allow implementations of applications
+   that do not depend on knowledge of ranges.
+
+4 HTTP Message
+
+4.1 Message Types
+
+   HTTP messages consist of requests from client to server and responses
+   from server to client.
+
+       HTTP-message   = Request | Response     ; HTTP/1.1 messages
+
+   Request (section 5) and Response (section 6) messages use the generic
+   message format of RFC 822 [9] for transferring entities (the payload
+   of the message). Both types of message consist of a start-line, zero
+   or more header fields (also known as "headers"), an empty line (i.e.,
+   a line with nothing preceding the CRLF) indicating the end of the
+   header fields, and possibly a message-body.
+
+        generic-message = start-line
+                          *(message-header CRLF)
+                          CRLF
+                          [ message-body ]
+        start-line      = Request-Line | Status-Line
+
+   In the interest of robustness, servers SHOULD ignore any empty
+   line(s) received where a Request-Line is expected. In other words, if
+   the server is reading the protocol stream at the beginning of a
+   message and receives a CRLF first, it should ignore the CRLF.
+
+   Certain buggy HTTP/1.0 client implementations generate extra CRLF's
+   after a POST request. To restate what is explicitly forbidden by the
+   BNF, an HTTP/1.1 client MUST NOT preface or follow a request with an
+   extra CRLF.
+
+4.2 Message Headers
+
+   HTTP header fields, which include general-header (section 4.5),
+   request-header (section 5.3), response-header (section 6.2), and
+   entity-header (section 7.1) fields, follow the same generic format as
+   that given in Section 3.1 of RFC 822 [9]. Each header field consists
+   of a name followed by a colon (":") and the field value. Field names
+   are case-insensitive. The field value MAY be preceded by any amount
+   of LWS, though a single SP is preferred. Header fields can be
+   extended over multiple lines by preceding each extra line with at
+   least one SP or HT. Applications ought to follow "common form", where
+   one is known or indicated, when generating HTTP constructs, since
+   there might exist some implementations that fail to accept anything
+
+
+
+Fielding, et al.            Standards Track                    [Page 31]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   beyond the common forms.
+
+       message-header = field-name ":" [ field-value ]
+       field-name     = token
+       field-value    = *( field-content | LWS )
+       field-content  = <the OCTETs making up the field-value
+                        and consisting of either *TEXT or combinations
+                        of token, separators, and quoted-string>
+
+   The field-content does not include any leading or trailing LWS:
+   linear white space occurring before the first non-whitespace
+   character of the field-value or after the last non-whitespace
+   character of the field-value. Such leading or trailing LWS MAY be
+   removed without changing the semantics of the field value. Any LWS
+   that occurs between field-content MAY be replaced with a single SP
+   before interpreting the field value or forwarding the message
+   downstream.
+
+   The order in which header fields with differing field names are
+   received is not significant. However, it is "good practice" to send
+   general-header fields first, followed by request-header or response-
+   header fields, and ending with the entity-header fields.
+
+   Multiple message-header fields with the same field-name MAY be
+   present in a message if and only if the entire field-value for that
+   header field is defined as a comma-separated list [i.e., #(values)].
+   It MUST be possible to combine the multiple header fields into one
+   "field-name: field-value" pair, without changing the semantics of the
+   message, by appending each subsequent field-value to the first, each
+   separated by a comma. The order in which header fields with the same
+   field-name are received is therefore significant to the
+   interpretation of the combined field value, and thus a proxy MUST NOT
+   change the order of these field values when a message is forwarded.
+
+4.3 Message Body
+
+   The message-body (if any) of an HTTP message is used to carry the
+   entity-body associated with the request or response. The message-body
+   differs from the entity-body only when a transfer-coding has been
+   applied, as indicated by the Transfer-Encoding header field (section
+   14.41).
+
+       message-body = entity-body
+                    | <entity-body encoded as per Transfer-Encoding>
+
+   Transfer-Encoding MUST be used to indicate any transfer-codings
+   applied by an application to ensure safe and proper transfer of the
+   message. Transfer-Encoding is a property of the message, not of the
+
+
+
+Fielding, et al.            Standards Track                    [Page 32]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   entity, and thus MAY be added or removed by any application along the
+   request/response chain. (However, section 3.6 places restrictions on
+   when certain transfer-codings may be used.)
+
+   The rules for when a message-body is allowed in a message differ for
+   requests and responses.
+
+   The presence of a message-body in a request is signaled by the
+   inclusion of a Content-Length or Transfer-Encoding header field in
+   the request's message-headers. A message-body MUST NOT be included in
+   a request if the specification of the request method (section 5.1.1)
+   does not allow sending an entity-body in requests. A server SHOULD
+   read and forward a message-body on any request; if the request method
+   does not include defined semantics for an entity-body, then the
+   message-body SHOULD be ignored when handling the request.
+
+   For response messages, whether or not a message-body is included with
+   a message is dependent on both the request method and the response
+   status code (section 6.1.1). All responses to the HEAD request method
+   MUST NOT include a message-body, even though the presence of entity-
+   header fields might lead one to believe they do. All 1xx
+   (informational), 204 (no content), and 304 (not modified) responses
+   MUST NOT include a message-body. All other responses do include a
+   message-body, although it MAY be of zero length.
+
+4.4 Message Length
+
+   The transfer-length of a message is the length of the message-body as
+   it appears in the message; that is, after any transfer-codings have
+   been applied. When a message-body is included with a message, the
+   transfer-length of that body is determined by one of the following
+   (in order of precedence):
+
+   1.Any response message which "MUST NOT" include a message-body (such
+     as the 1xx, 204, and 304 responses and any response to a HEAD
+     request) is always terminated by the first empty line after the
+     header fields, regardless of the entity-header fields present in
+     the message.
+
+   2.If a Transfer-Encoding header field (section 14.41) is present and
+     has any value other than "identity", then the transfer-length is
+     defined by use of the "chunked" transfer-coding (section 3.6),
+     unless the message is terminated by closing the connection.
+
+   3.If a Content-Length header field (section 14.13) is present, its
+     decimal value in OCTETs represents both the entity-length and the
+     transfer-length. The Content-Length header field MUST NOT be sent
+     if these two lengths are different (i.e., if a Transfer-Encoding
+
+
+
+Fielding, et al.            Standards Track                    [Page 33]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+     header field is present). If a message is received with both a
+     Transfer-Encoding header field and a Content-Length header field,
+     the latter MUST be ignored.
+
+   4.If the message uses the media type "multipart/byteranges", and the
+     ransfer-length is not otherwise specified, then this self-
+     elimiting media type defines the transfer-length. This media type
+     UST NOT be used unless the sender knows that the recipient can arse
+     it; the presence in a request of a Range header with ultiple byte-
+     range specifiers from a 1.1 client implies that the lient can parse
+     multipart/byteranges responses.
+
+       A range header might be forwarded by a 1.0 proxy that does not
+       understand multipart/byteranges; in this case the server MUST
+       delimit the message using methods defined in items 1,3 or 5 of
+       this section.
+
+   5.By the server closing the connection. (Closing the connection
+     cannot be used to indicate the end of a request body, since that
+     would leave no possibility for the server to send back a response.)
+
+   For compatibility with HTTP/1.0 applications, HTTP/1.1 requests
+   containing a message-body MUST include a valid Content-Length header
+   field unless the server is known to be HTTP/1.1 compliant. If a
+   request contains a message-body and a Content-Length is not given,
+   the server SHOULD respond with 400 (bad request) if it cannot
+   determine the length of the message, or with 411 (length required) if
+   it wishes to insist on receiving a valid Content-Length.
+
+   All HTTP/1.1 applications that receive entities MUST accept the
+   "chunked" transfer-coding (section 3.6), thus allowing this mechanism
+   to be used for messages when the message length cannot be determined
+   in advance.
+
+   Messages MUST NOT include both a Content-Length header field and a
+   non-identity transfer-coding. If the message does include a non-
+   identity transfer-coding, the Content-Length MUST be ignored.
+
+   When a Content-Length is given in a message where a message-body is
+   allowed, its field value MUST exactly match the number of OCTETs in
+   the message-body. HTTP/1.1 user agents MUST notify the user when an
+   invalid length is received and detected.
+
+4.5 General Header Fields
+
+   There are a few header fields which have general applicability for
+   both request and response messages, but which do not apply to the
+   entity being transferred. These header fields apply only to the
+
+
+
+Fielding, et al.            Standards Track                    [Page 34]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   message being transmitted.
+
+       general-header = Cache-Control            ; Section 14.9
+                      | Connection               ; Section 14.10
+                      | Date                     ; Section 14.18
+                      | Pragma                   ; Section 14.32
+                      | Trailer                  ; Section 14.40
+                      | Transfer-Encoding        ; Section 14.41
+                      | Upgrade                  ; Section 14.42
+                      | Via                      ; Section 14.45
+                      | Warning                  ; Section 14.46
+
+   General-header field names can be extended reliably only in
+   combination with a change in the protocol version. However, new or
+   experimental header fields may be given the semantics of general
+   header fields if all parties in the communication recognize them to
+   be general-header fields. Unrecognized header fields are treated as
+   entity-header fields.
+
+5 Request
+
+   A request message from a client to a server includes, within the
+   first line of that message, the method to be applied to the resource,
+   the identifier of the resource, and the protocol version in use.
+
+        Request       = Request-Line              ; Section 5.1
+                        *(( general-header        ; Section 4.5
+                         | request-header         ; Section 5.3
+                         | entity-header ) CRLF)  ; Section 7.1
+                        CRLF
+                        [ message-body ]          ; Section 4.3
+
+5.1 Request-Line
+
+   The Request-Line begins with a method token, followed by the
+   Request-URI and the protocol version, and ending with CRLF. The
+   elements are separated by SP characters. No CR or LF is allowed
+   except in the final CRLF sequence.
+
+        Request-Line   = Method SP Request-URI SP HTTP-Version CRLF
+
+
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 35]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+5.1.1 Method
+
+   The Method  token indicates the method to be performed on the
+   resource identified by the Request-URI. The method is case-sensitive.
+
+       Method         = "OPTIONS"                ; Section 9.2
+                      | "GET"                    ; Section 9.3
+                      | "HEAD"                   ; Section 9.4
+                      | "POST"                   ; Section 9.5
+                      | "PUT"                    ; Section 9.6
+                      | "DELETE"                 ; Section 9.7
+                      | "TRACE"                  ; Section 9.8
+                      | "CONNECT"                ; Section 9.9
+                      | extension-method
+       extension-method = token
+
+   The list of methods allowed by a resource can be specified in an
+   Allow header field (section 14.7). The return code of the response
+   always notifies the client whether a method is currently allowed on a
+   resource, since the set of allowed methods can change dynamically. An
+   origin server SHOULD return the status code 405 (Method Not Allowed)
+   if the method is known by the origin server but not allowed for the
+   requested resource, and 501 (Not Implemented) if the method is
+   unrecognized or not implemented by the origin server. The methods GET
+   and HEAD MUST be supported by all general-purpose servers. All other
+   methods are OPTIONAL; however, if the above methods are implemented,
+   they MUST be implemented with the same semantics as those specified
+   in section 9.
+
+5.1.2 Request-URI
+
+   The Request-URI is a Uniform Resource Identifier (section 3.2) and
+   identifies the resource upon which to apply the request.
+
+       Request-URI    = "*" | absoluteURI | abs_path | authority
+
+   The four options for Request-URI are dependent on the nature of the
+   request. The asterisk "*" means that the request does not apply to a
+   particular resource, but to the server itself, and is only allowed
+   when the method used does not necessarily apply to a resource. One
+   example would be
+
+       OPTIONS * HTTP/1.1
+
+   The absoluteURI form is REQUIRED when the request is being made to a
+   proxy. The proxy is requested to forward the request or service it
+   from a valid cache, and return the response. Note that the proxy MAY
+   forward the request on to another proxy or directly to the server
+
+
+
+Fielding, et al.            Standards Track                    [Page 36]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   specified by the absoluteURI. In order to avoid request loops, a
+   proxy MUST be able to recognize all of its server names, including
+   any aliases, local variations, and the numeric IP address. An example
+   Request-Line would be:
+
+       GET http://www.w3.org/pub/WWW/TheProject.html HTTP/1.1
+
+   To allow for transition to absoluteURIs in all requests in future
+   versions of HTTP, all HTTP/1.1 servers MUST accept the absoluteURI
+   form in requests, even though HTTP/1.1 clients will only generate
+   them in requests to proxies.
+
+   The authority form is only used by the CONNECT method (section 9.9).
+
+   The most common form of Request-URI is that used to identify a
+   resource on an origin server or gateway. In this case the absolute
+   path of the URI MUST be transmitted (see section 3.2.1, abs_path) as
+   the Request-URI, and the network location of the URI (authority) MUST
+   be transmitted in a Host header field. For example, a client wishing
+   to retrieve the resource above directly from the origin server would
+   create a TCP connection to port 80 of the host "www.w3.org" and send
+   the lines:
+
+       GET /pub/WWW/TheProject.html HTTP/1.1
+       Host: www.w3.org
+
+   followed by the remainder of the Request. Note that the absolute path
+   cannot be empty; if none is present in the original URI, it MUST be
+   given as "/" (the server root).
+
+   The Request-URI is transmitted in the format specified in section
+   3.2.1. If the Request-URI is encoded using the "% HEX HEX" encoding
+   [42], the origin server MUST decode the Request-URI in order to
+   properly interpret the request. Servers SHOULD respond to invalid
+   Request-URIs with an appropriate status code.
+
+   A transparent proxy MUST NOT rewrite the "abs_path" part of the
+   received Request-URI when forwarding it to the next inbound server,
+   except as noted above to replace a null abs_path with "/".
+
+      Note: The "no rewrite" rule prevents the proxy from changing the
+      meaning of the request when the origin server is improperly using
+      a non-reserved URI character for a reserved purpose.  Implementors
+      should be aware that some pre-HTTP/1.1 proxies have been known to
+      rewrite the Request-URI.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 37]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+5.2 The Resource Identified by a Request
+
+   The exact resource identified by an Internet request is determined by
+   examining both the Request-URI and the Host header field.
+
+   An origin server that does not allow resources to differ by the
+   requested host MAY ignore the Host header field value when
+   determining the resource identified by an HTTP/1.1 request. (But see
+   section 19.6.1.1 for other requirements on Host support in HTTP/1.1.)
+
+   An origin server that does differentiate resources based on the host
+   requested (sometimes referred to as virtual hosts or vanity host
+   names) MUST use the following rules for determining the requested
+   resource on an HTTP/1.1 request:
+
+   1. If Request-URI is an absoluteURI, the host is part of the
+     Request-URI. Any Host header field value in the request MUST be
+     ignored.
+
+   2. If the Request-URI is not an absoluteURI, and the request includes
+     a Host header field, the host is determined by the Host header
+     field value.
+
+   3. If the host as determined by rule 1 or 2 is not a valid host on
+     the server, the response MUST be a 400 (Bad Request) error message.
+
+   Recipients of an HTTP/1.0 request that lacks a Host header field MAY
+   attempt to use heuristics (e.g., examination of the URI path for
+   something unique to a particular host) in order to determine what
+   exact resource is being requested.
+
+5.3 Request Header Fields
+
+   The request-header fields allow the client to pass additional
+   information about the request, and about the client itself, to the
+   server. These fields act as request modifiers, with semantics
+   equivalent to the parameters on a programming language method
+   invocation.
+
+       request-header = Accept                   ; Section 14.1
+                      | Accept-Charset           ; Section 14.2
+                      | Accept-Encoding          ; Section 14.3
+                      | Accept-Language          ; Section 14.4
+                      | Authorization            ; Section 14.8
+                      | Expect                   ; Section 14.20
+                      | From                     ; Section 14.22
+                      | Host                     ; Section 14.23
+                      | If-Match                 ; Section 14.24
+
+
+
+Fielding, et al.            Standards Track                    [Page 38]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+                      | If-Modified-Since        ; Section 14.25
+                      | If-None-Match            ; Section 14.26
+                      | If-Range                 ; Section 14.27
+                      | If-Unmodified-Since      ; Section 14.28
+                      | Max-Forwards             ; Section 14.31
+                      | Proxy-Authorization      ; Section 14.34
+                      | Range                    ; Section 14.35
+                      | Referer                  ; Section 14.36
+                      | TE                       ; Section 14.39
+                      | User-Agent               ; Section 14.43
+
+   Request-header field names can be extended reliably only in
+   combination with a change in the protocol version. However, new or
+   experimental header fields MAY be given the semantics of request-
+   header fields if all parties in the communication recognize them to
+   be request-header fields. Unrecognized header fields are treated as
+   entity-header fields.
+
+6 Response
+
+   After receiving and interpreting a request message, a server responds
+   with an HTTP response message.
+
+       Response      = Status-Line               ; Section 6.1
+                       *(( general-header        ; Section 4.5
+                        | response-header        ; Section 6.2
+                        | entity-header ) CRLF)  ; Section 7.1
+                       CRLF
+                       [ message-body ]          ; Section 7.2
+
+6.1 Status-Line
+
+   The first line of a Response message is the Status-Line, consisting
+   of the protocol version followed by a numeric status code and its
+   associated textual phrase, with each element separated by SP
+   characters. No CR or LF is allowed except in the final CRLF sequence.
+
+       Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF
+
+6.1.1 Status Code and Reason Phrase
+
+   The Status-Code element is a 3-digit integer result code of the
+   attempt to understand and satisfy the request. These codes are fully
+   defined in section 10. The Reason-Phrase is intended to give a short
+   textual description of the Status-Code. The Status-Code is intended
+   for use by automata and the Reason-Phrase is intended for the human
+   user. The client is not required to examine or display the Reason-
+   Phrase.
+
+
+
+Fielding, et al.            Standards Track                    [Page 39]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The first digit of the Status-Code defines the class of response. The
+   last two digits do not have any categorization role. There are 5
+   values for the first digit:
+
+      - 1xx: Informational - Request received, continuing process
+
+      - 2xx: Success - The action was successfully received,
+        understood, and accepted
+
+      - 3xx: Redirection - Further action must be taken in order to
+        complete the request
+
+      - 4xx: Client Error - The request contains bad syntax or cannot
+        be fulfilled
+
+      - 5xx: Server Error - The server failed to fulfill an apparently
+        valid request
+
+   The individual values of the numeric status codes defined for
+   HTTP/1.1, and an example set of corresponding Reason-Phrase's, are
+   presented below. The reason phrases listed here are only
+   recommendations -- they MAY be replaced by local equivalents without
+   affecting the protocol.
+
+      Status-Code    =
+            "100"  ; Section 10.1.1: Continue
+          | "101"  ; Section 10.1.2: Switching Protocols
+          | "200"  ; Section 10.2.1: OK
+          | "201"  ; Section 10.2.2: Created
+          | "202"  ; Section 10.2.3: Accepted
+          | "203"  ; Section 10.2.4: Non-Authoritative Information
+          | "204"  ; Section 10.2.5: No Content
+          | "205"  ; Section 10.2.6: Reset Content
+          | "206"  ; Section 10.2.7: Partial Content
+          | "300"  ; Section 10.3.1: Multiple Choices
+          | "301"  ; Section 10.3.2: Moved Permanently
+          | "302"  ; Section 10.3.3: Found
+          | "303"  ; Section 10.3.4: See Other
+          | "304"  ; Section 10.3.5: Not Modified
+          | "305"  ; Section 10.3.6: Use Proxy
+          | "307"  ; Section 10.3.8: Temporary Redirect
+          | "400"  ; Section 10.4.1: Bad Request
+          | "401"  ; Section 10.4.2: Unauthorized
+          | "402"  ; Section 10.4.3: Payment Required
+          | "403"  ; Section 10.4.4: Forbidden
+          | "404"  ; Section 10.4.5: Not Found
+          | "405"  ; Section 10.4.6: Method Not Allowed
+          | "406"  ; Section 10.4.7: Not Acceptable
+
+
+
+Fielding, et al.            Standards Track                    [Page 40]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+          | "407"  ; Section 10.4.8: Proxy Authentication Required
+          | "408"  ; Section 10.4.9: Request Time-out
+          | "409"  ; Section 10.4.10: Conflict
+          | "410"  ; Section 10.4.11: Gone
+          | "411"  ; Section 10.4.12: Length Required
+          | "412"  ; Section 10.4.13: Precondition Failed
+          | "413"  ; Section 10.4.14: Request Entity Too Large
+          | "414"  ; Section 10.4.15: Request-URI Too Large
+          | "415"  ; Section 10.4.16: Unsupported Media Type
+          | "416"  ; Section 10.4.17: Requested range not satisfiable
+          | "417"  ; Section 10.4.18: Expectation Failed
+          | "500"  ; Section 10.5.1: Internal Server Error
+          | "501"  ; Section 10.5.2: Not Implemented
+          | "502"  ; Section 10.5.3: Bad Gateway
+          | "503"  ; Section 10.5.4: Service Unavailable
+          | "504"  ; Section 10.5.5: Gateway Time-out
+          | "505"  ; Section 10.5.6: HTTP Version not supported
+          | extension-code
+
+      extension-code = 3DIGIT
+      Reason-Phrase  = *<TEXT, excluding CR, LF>
+
+   HTTP status codes are extensible. HTTP applications are not required
+   to understand the meaning of all registered status codes, though such
+   understanding is obviously desirable. However, applications MUST
+   understand the class of any status code, as indicated by the first
+   digit, and treat any unrecognized response as being equivalent to the
+   x00 status code of that class, with the exception that an
+   unrecognized response MUST NOT be cached. For example, if an
+   unrecognized status code of 431 is received by the client, it can
+   safely assume that there was something wrong with its request and
+   treat the response as if it had received a 400 status code. In such
+   cases, user agents SHOULD present to the user the entity returned
+   with the response, since that entity is likely to include human-
+   readable information which will explain the unusual status.
+
+6.2 Response Header Fields
+
+   The response-header fields allow the server to pass additional
+   information about the response which cannot be placed in the Status-
+   Line. These header fields give information about the server and about
+   further access to the resource identified by the Request-URI.
+
+       response-header = Accept-Ranges           ; Section 14.5
+                       | Age                     ; Section 14.6
+                       | ETag                    ; Section 14.19
+                       | Location                ; Section 14.30
+                       | Proxy-Authenticate      ; Section 14.33
+
+
+
+Fielding, et al.            Standards Track                    [Page 41]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+                       | Retry-After             ; Section 14.37
+                       | Server                  ; Section 14.38
+                       | Vary                    ; Section 14.44
+                       | WWW-Authenticate        ; Section 14.47
+
+   Response-header field names can be extended reliably only in
+   combination with a change in the protocol version. However, new or
+   experimental header fields MAY be given the semantics of response-
+   header fields if all parties in the communication recognize them to
+   be response-header fields. Unrecognized header fields are treated as
+   entity-header fields.
+
+7 Entity
+
+   Request and Response messages MAY transfer an entity if not otherwise
+   restricted by the request method or response status code. An entity
+   consists of entity-header fields and an entity-body, although some
+   responses will only include the entity-headers.
+
+   In this section, both sender and recipient refer to either the client
+   or the server, depending on who sends and who receives the entity.
+
+7.1 Entity Header Fields
+
+   Entity-header fields define metainformation about the entity-body or,
+   if no body is present, about the resource identified by the request.
+   Some of this metainformation is OPTIONAL; some might be REQUIRED by
+   portions of this specification.
+
+       entity-header  = Allow                    ; Section 14.7
+                      | Content-Encoding         ; Section 14.11
+                      | Content-Language         ; Section 14.12
+                      | Content-Length           ; Section 14.13
+                      | Content-Location         ; Section 14.14
+                      | Content-MD5              ; Section 14.15
+                      | Content-Range            ; Section 14.16
+                      | Content-Type             ; Section 14.17
+                      | Expires                  ; Section 14.21
+                      | Last-Modified            ; Section 14.29
+                      | extension-header
+
+       extension-header = message-header
+
+   The extension-header mechanism allows additional entity-header fields
+   to be defined without changing the protocol, but these fields cannot
+   be assumed to be recognizable by the recipient. Unrecognized header
+   fields SHOULD be ignored by the recipient and MUST be forwarded by
+   transparent proxies.
+
+
+
+Fielding, et al.            Standards Track                    [Page 42]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+7.2 Entity Body
+
+   The entity-body (if any) sent with an HTTP request or response is in
+   a format and encoding defined by the entity-header fields.
+
+       entity-body    = *OCTET
+
+   An entity-body is only present in a message when a message-body is
+   present, as described in section 4.3. The entity-body is obtained
+   from the message-body by decoding any Transfer-Encoding that might
+   have been applied to ensure safe and proper transfer of the message.
+
+7.2.1 Type
+
+   When an entity-body is included with a message, the data type of that
+   body is determined via the header fields Content-Type and Content-
+   Encoding. These define a two-layer, ordered encoding model:
+
+       entity-body := Content-Encoding( Content-Type( data ) )
+
+   Content-Type specifies the media type of the underlying data.
+   Content-Encoding may be used to indicate any additional content
+   codings applied to the data, usually for the purpose of data
+   compression, that are a property of the requested resource. There is
+   no default encoding.
+
+   Any HTTP/1.1 message containing an entity-body SHOULD include a
+   Content-Type header field defining the media type of that body. If
+   and only if the media type is not given by a Content-Type field, the
+   recipient MAY attempt to guess the media type via inspection of its
+   content and/or the name extension(s) of the URI used to identify the
+   resource. If the media type remains unknown, the recipient SHOULD
+   treat it as type "application/octet-stream".
+
+7.2.2 Entity Length
+
+   The entity-length of a message is the length of the message-body
+   before any transfer-codings have been applied. Section 4.4 defines
+   how the transfer-length of a message-body is determined.
+
+
+
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 43]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+8 Connections
+
+8.1 Persistent Connections
+
+8.1.1 Purpose
+
+   Prior to persistent connections, a separate TCP connection was
+   established to fetch each URL, increasing the load on HTTP servers
+   and causing congestion on the Internet. The use of inline images and
+   other associated data often require a client to make multiple
+   requests of the same server in a short amount of time. Analysis of
+   these performance problems and results from a prototype
+   implementation are available [26] [30]. Implementation experience and
+   measurements of actual HTTP/1.1 (RFC 2068) implementations show good
+   results [39]. Alternatives have also been explored, for example,
+   T/TCP [27].
+
+   Persistent HTTP connections have a number of advantages:
+
+      - By opening and closing fewer TCP connections, CPU time is saved
+        in routers and hosts (clients, servers, proxies, gateways,
+        tunnels, or caches), and memory used for TCP protocol control
+        blocks can be saved in hosts.
+
+      - HTTP requests and responses can be pipelined on a connection.
+        Pipelining allows a client to make multiple requests without
+        waiting for each response, allowing a single TCP connection to
+        be used much more efficiently, with much lower elapsed time.
+
+      - Network congestion is reduced by reducing the number of packets
+        caused by TCP opens, and by allowing TCP sufficient time to
+        determine the congestion state of the network.
+
+      - Latency on subsequent requests is reduced since there is no time
+        spent in TCP's connection opening handshake.
+
+      - HTTP can evolve more gracefully, since errors can be reported
+        without the penalty of closing the TCP connection. Clients using
+        future versions of HTTP might optimistically try a new feature,
+        but if communicating with an older server, retry with old
+        semantics after an error is reported.
+
+   HTTP implementations SHOULD implement persistent connections.
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 44]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+8.1.2 Overall Operation
+
+   A significant difference between HTTP/1.1 and earlier versions of
+   HTTP is that persistent connections are the default behavior of any
+   HTTP connection. That is, unless otherwise indicated, the client
+   SHOULD assume that the server will maintain a persistent connection,
+   even after error responses from the server.
+
+   Persistent connections provide a mechanism by which a client and a
+   server can signal the close of a TCP connection. This signaling takes
+   place using the Connection header field (section 14.10). Once a close
+   has been signaled, the client MUST NOT send any more requests on that
+   connection.
+
+8.1.2.1 Negotiation
+
+   An HTTP/1.1 server MAY assume that a HTTP/1.1 client intends to
+   maintain a persistent connection unless a Connection header including
+   the connection-token "close" was sent in the request. If the server
+   chooses to close the connection immediately after sending the
+   response, it SHOULD send a Connection header including the
+   connection-token close.
+
+   An HTTP/1.1 client MAY expect a connection to remain open, but would
+   decide to keep it open based on whether the response from a server
+   contains a Connection header with the connection-token close. In case
+   the client does not want to maintain a connection for more than that
+   request, it SHOULD send a Connection header including the
+   connection-token close.
+
+   If either the client or the server sends the close token in the
+   Connection header, that request becomes the last one for the
+   connection.
+
+   Clients and servers SHOULD NOT assume that a persistent connection is
+   maintained for HTTP versions less than 1.1 unless it is explicitly
+   signaled. See section 19.6.2 for more information on backward
+   compatibility with HTTP/1.0 clients.
+
+   In order to remain persistent, all messages on the connection MUST
+   have a self-defined message length (i.e., one not defined by closure
+   of the connection), as described in section 4.4.
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 45]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+8.1.2.2 Pipelining
+
+   A client that supports persistent connections MAY "pipeline" its
+   requests (i.e., send multiple requests without waiting for each
+   response). A server MUST send its responses to those requests in the
+   same order that the requests were received.
+
+   Clients which assume persistent connections and pipeline immediately
+   after connection establishment SHOULD be prepared to retry their
+   connection if the first pipelined attempt fails. If a client does
+   such a retry, it MUST NOT pipeline before it knows the connection is
+   persistent. Clients MUST also be prepared to resend their requests if
+   the server closes the connection before sending all of the
+   corresponding responses.
+
+   Clients SHOULD NOT pipeline requests using non-idempotent methods or
+   non-idempotent sequences of methods (see section 9.1.2). Otherwise, a
+   premature termination of the transport connection could lead to
+   indeterminate results. A client wishing to send a non-idempotent
+   request SHOULD wait to send that request until it has received the
+   response status for the previous request.
+
+8.1.3 Proxy Servers
+
+   It is especially important that proxies correctly implement the
+   properties of the Connection header field as specified in section
+   14.10.
+
+   The proxy server MUST signal persistent connections separately with
+   its clients and the origin servers (or other proxy servers) that it
+   connects to. Each persistent connection applies to only one transport
+   link.
+
+   A proxy server MUST NOT establish a HTTP/1.1 persistent connection
+   with an HTTP/1.0 client (but see RFC 2068 [33] for information and
+   discussion of the problems with the Keep-Alive header implemented by
+   many HTTP/1.0 clients).
+
+8.1.4 Practical Considerations
+
+   Servers will usually have some time-out value beyond which they will
+   no longer maintain an inactive connection. Proxy servers might make
+   this a higher value since it is likely that the client will be making
+   more connections through the same server. The use of persistent
+   connections places no requirements on the length (or existence) of
+   this time-out for either the client or the server.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 46]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   When a client or server wishes to time-out it SHOULD issue a graceful
+   close on the transport connection. Clients and servers SHOULD both
+   constantly watch for the other side of the transport close, and
+   respond to it as appropriate. If a client or server does not detect
+   the other side's close promptly it could cause unnecessary resource
+   drain on the network.
+
+   A client, server, or proxy MAY close the transport connection at any
+   time. For example, a client might have started to send a new request
+   at the same time that the server has decided to close the "idle"
+   connection. From the server's point of view, the connection is being
+   closed while it was idle, but from the client's point of view, a
+   request is in progress.
+
+   This means that clients, servers, and proxies MUST be able to recover
+   from asynchronous close events. Client software SHOULD reopen the
+   transport connection and retransmit the aborted sequence of requests
+   without user interaction so long as the request sequence is
+   idempotent (see section 9.1.2). Non-idempotent methods or sequences
+   MUST NOT be automatically retried, although user agents MAY offer a
+   human operator the choice of retrying the request(s). Confirmation by
+   user-agent software with semantic understanding of the application
+   MAY substitute for user confirmation. The automatic retry SHOULD NOT
+   be repeated if the second sequence of requests fails.
+
+   Servers SHOULD always respond to at least one request per connection,
+   if at all possible. Servers SHOULD NOT close a connection in the
+   middle of transmitting a response, unless a network or client failure
+   is suspected.
+
+   Clients that use persistent connections SHOULD limit the number of
+   simultaneous connections that they maintain to a given server. A
+   single-user client SHOULD NOT maintain more than 2 connections with
+   any server or proxy. A proxy SHOULD use up to 2*N connections to
+   another server or proxy, where N is the number of simultaneously
+   active users. These guidelines are intended to improve HTTP response
+   times and avoid congestion.
+
+8.2 Message Transmission Requirements
+
+8.2.1 Persistent Connections and Flow Control
+
+   HTTP/1.1 servers SHOULD maintain persistent connections and use TCP's
+   flow control mechanisms to resolve temporary overloads, rather than
+   terminating connections with the expectation that clients will retry.
+   The latter technique can exacerbate network congestion.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 47]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+8.2.2 Monitoring Connections for Error Status Messages
+
+   An HTTP/1.1 (or later) client sending a message-body SHOULD monitor
+   the network connection for an error status while it is transmitting
+   the request. If the client sees an error status, it SHOULD
+   immediately cease transmitting the body. If the body is being sent
+   using a "chunked" encoding (section 3.6), a zero length chunk and
+   empty trailer MAY be used to prematurely mark the end of the message.
+   If the body was preceded by a Content-Length header, the client MUST
+   close the connection.
+
+8.2.3 Use of the 100 (Continue) Status
+
+   The purpose of the 100 (Continue) status (see section 10.1.1) is to
+   allow a client that is sending a request message with a request body
+   to determine if the origin server is willing to accept the request
+   (based on the request headers) before the client sends the request
+   body. In some cases, it might either be inappropriate or highly
+   inefficient for the client to send the body if the server will reject
+   the message without looking at the body.
+
+   Requirements for HTTP/1.1 clients:
+
+      - If a client will wait for a 100 (Continue) response before
+        sending the request body, it MUST send an Expect request-header
+        field (section 14.20) with the "100-continue" expectation.
+
+      - A client MUST NOT send an Expect request-header field (section
+        14.20) with the "100-continue" expectation if it does not intend
+        to send a request body.
+
+   Because of the presence of older implementations, the protocol allows
+   ambiguous situations in which a client may send "Expect: 100-
+   continue" without receiving either a 417 (Expectation Failed) status
+   or a 100 (Continue) status. Therefore, when a client sends this
+   header field to an origin server (possibly via a proxy) from which it
+   has never seen a 100 (Continue) status, the client SHOULD NOT wait
+   for an indefinite period before sending the request body.
+
+   Requirements for HTTP/1.1 origin servers:
+
+      - Upon receiving a request which includes an Expect request-header
+        field with the "100-continue" expectation, an origin server MUST
+        either respond with 100 (Continue) status and continue to read
+        from the input stream, or respond with a final status code. The
+        origin server MUST NOT wait for the request body before sending
+        the 100 (Continue) response. If it responds with a final status
+        code, it MAY close the transport connection or it MAY continue
+
+
+
+Fielding, et al.            Standards Track                    [Page 48]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+        to read and discard the rest of the request.  It MUST NOT
+        perform the requested method if it returns a final status code.
+
+      - An origin server SHOULD NOT send a 100 (Continue) response if
+        the request message does not include an Expect request-header
+        field with the "100-continue" expectation, and MUST NOT send a
+        100 (Continue) response if such a request comes from an HTTP/1.0
+        (or earlier) client. There is an exception to this rule: for
+        compatibility with RFC 2068, a server MAY send a 100 (Continue)
+        status in response to an HTTP/1.1 PUT or POST request that does
+        not include an Expect request-header field with the "100-
+        continue" expectation. This exception, the purpose of which is
+        to minimize any client processing delays associated with an
+        undeclared wait for 100 (Continue) status, applies only to
+        HTTP/1.1 requests, and not to requests with any other HTTP-
+        version value.
+
+      - An origin server MAY omit a 100 (Continue) response if it has
+        already received some or all of the request body for the
+        corresponding request.
+
+      - An origin server that sends a 100 (Continue) response MUST
+        ultimately send a final status code, once the request body is
+        received and processed, unless it terminates the transport
+        connection prematurely.
+
+      - If an origin server receives a request that does not include an
+        Expect request-header field with the "100-continue" expectation,
+        the request includes a request body, and the server responds
+        with a final status code before reading the entire request body
+        from the transport connection, then the server SHOULD NOT close
+        the transport connection until it has read the entire request,
+        or until the client closes the connection. Otherwise, the client
+        might not reliably receive the response message. However, this
+        requirement is not be construed as preventing a server from
+        defending itself against denial-of-service attacks, or from
+        badly broken client implementations.
+
+   Requirements for HTTP/1.1 proxies:
+
+      - If a proxy receives a request that includes an Expect request-
+        header field with the "100-continue" expectation, and the proxy
+        either knows that the next-hop server complies with HTTP/1.1 or
+        higher, or does not know the HTTP version of the next-hop
+        server, it MUST forward the request, including the Expect header
+        field.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 49]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      - If the proxy knows that the version of the next-hop server is
+        HTTP/1.0 or lower, it MUST NOT forward the request, and it MUST
+        respond with a 417 (Expectation Failed) status.
+
+      - Proxies SHOULD maintain a cache recording the HTTP version
+        numbers received from recently-referenced next-hop servers.
+
+      - A proxy MUST NOT forward a 100 (Continue) response if the
+        request message was received from an HTTP/1.0 (or earlier)
+        client and did not include an Expect request-header field with
+        the "100-continue" expectation. This requirement overrides the
+        general rule for forwarding of 1xx responses (see section 10.1).
+
+8.2.4 Client Behavior if Server Prematurely Closes Connection
+
+   If an HTTP/1.1 client sends a request which includes a request body,
+   but which does not include an Expect request-header field with the
+   "100-continue" expectation, and if the client is not directly
+   connected to an HTTP/1.1 origin server, and if the client sees the
+   connection close before receiving any status from the server, the
+   client SHOULD retry the request.  If the client does retry this
+   request, it MAY use the following "binary exponential backoff"
+   algorithm to be assured of obtaining a reliable response:
+
+      1. Initiate a new connection to the server
+
+      2. Transmit the request-headers
+
+      3. Initialize a variable R to the estimated round-trip time to the
+         server (e.g., based on the time it took to establish the
+         connection), or to a constant value of 5 seconds if the round-
+         trip time is not available.
+
+      4. Compute T = R * (2**N), where N is the number of previous
+         retries of this request.
+
+      5. Wait either for an error response from the server, or for T
+         seconds (whichever comes first)
+
+      6. If no error response is received, after T seconds transmit the
+         body of the request.
+
+      7. If client sees that the connection is closed prematurely,
+         repeat from step 1 until the request is accepted, an error
+         response is received, or the user becomes impatient and
+         terminates the retry process.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 50]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If at any point an error status is received, the client
+
+      - SHOULD NOT continue and
+
+      - SHOULD close the connection if it has not completed sending the
+        request message.
+
+9 Method Definitions
+
+   The set of common methods for HTTP/1.1 is defined below. Although
+   this set can be expanded, additional methods cannot be assumed to
+   share the same semantics for separately extended clients and servers.
+
+   The Host request-header field (section 14.23) MUST accompany all
+   HTTP/1.1 requests.
+
+9.1 Safe and Idempotent Methods
+
+9.1.1 Safe Methods
+
+   Implementors should be aware that the software represents the user in
+   their interactions over the Internet, and should be careful to allow
+   the user to be aware of any actions they might take which may have an
+   unexpected significance to themselves or others.
+
+   In particular, the convention has been established that the GET and
+   HEAD methods SHOULD NOT have the significance of taking an action
+   other than retrieval. These methods ought to be considered "safe".
+   This allows user agents to represent other methods, such as POST, PUT
+   and DELETE, in a special way, so that the user is made aware of the
+   fact that a possibly unsafe action is being requested.
+
+   Naturally, it is not possible to ensure that the server does not
+   generate side-effects as a result of performing a GET request; in
+   fact, some dynamic resources consider that a feature. The important
+   distinction here is that the user did not request the side-effects,
+   so therefore cannot be held accountable for them.
+
+9.1.2 Idempotent Methods
+
+   Methods can also have the property of "idempotence" in that (aside
+   from error or expiration issues) the side-effects of N > 0 identical
+   requests is the same as for a single request. The methods GET, HEAD,
+   PUT and DELETE share this property. Also, the methods OPTIONS and
+   TRACE SHOULD NOT have side effects, and so are inherently idempotent.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 51]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   However, it is possible that a sequence of several requests is non-
+   idempotent, even if all of the methods executed in that sequence are
+   idempotent. (A sequence is idempotent if a single execution of the
+   entire sequence always yields a result that is not changed by a
+   reexecution of all, or part, of that sequence.) For example, a
+   sequence is non-idempotent if its result depends on a value that is
+   later modified in the same sequence.
+
+   A sequence that never has side effects is idempotent, by definition
+   (provided that no concurrent operations are being executed on the
+   same set of resources).
+
+9.2 OPTIONS
+
+   The OPTIONS method represents a request for information about the
+   communication options available on the request/response chain
+   identified by the Request-URI. This method allows the client to
+   determine the options and/or requirements associated with a resource,
+   or the capabilities of a server, without implying a resource action
+   or initiating a resource retrieval.
+
+   Responses to this method are not cacheable.
+
+   If the OPTIONS request includes an entity-body (as indicated by the
+   presence of Content-Length or Transfer-Encoding), then the media type
+   MUST be indicated by a Content-Type field. Although this
+   specification does not define any use for such a body, future
+   extensions to HTTP might use the OPTIONS body to make more detailed
+   queries on the server. A server that does not support such an
+   extension MAY discard the request body.
+
+   If the Request-URI is an asterisk ("*"), the OPTIONS request is
+   intended to apply to the server in general rather than to a specific
+   resource. Since a server's communication options typically depend on
+   the resource, the "*" request is only useful as a "ping" or "no-op"
+   type of method; it does nothing beyond allowing the client to test
+   the capabilities of the server. For example, this can be used to test
+   a proxy for HTTP/1.1 compliance (or lack thereof).
+
+   If the Request-URI is not an asterisk, the OPTIONS request applies
+   only to the options that are available when communicating with that
+   resource.
+
+   A 200 response SHOULD include any header fields that indicate
+   optional features implemented by the server and applicable to that
+   resource (e.g., Allow), possibly including extensions not defined by
+   this specification. The response body, if any, SHOULD also include
+   information about the communication options. The format for such a
+
+
+
+Fielding, et al.            Standards Track                    [Page 52]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   body is not defined by this specification, but might be defined by
+   future extensions to HTTP. Content negotiation MAY be used to select
+   the appropriate response format. If no response body is included, the
+   response MUST include a Content-Length field with a field-value of
+   "0".
+
+   The Max-Forwards request-header field MAY be used to target a
+   specific proxy in the request chain. When a proxy receives an OPTIONS
+   request on an absoluteURI for which request forwarding is permitted,
+   the proxy MUST check for a Max-Forwards field. If the Max-Forwards
+   field-value is zero ("0"), the proxy MUST NOT forward the message;
+   instead, the proxy SHOULD respond with its own communication options.
+   If the Max-Forwards field-value is an integer greater than zero, the
+   proxy MUST decrement the field-value when it forwards the request. If
+   no Max-Forwards field is present in the request, then the forwarded
+   request MUST NOT include a Max-Forwards field.
+
+9.3 GET
+
+   The GET method means retrieve whatever information (in the form of an
+   entity) is identified by the Request-URI. If the Request-URI refers
+   to a data-producing process, it is the produced data which shall be
+   returned as the entity in the response and not the source text of the
+   process, unless that text happens to be the output of the process.
+
+   The semantics of the GET method change to a "conditional GET" if the
+   request message includes an If-Modified-Since, If-Unmodified-Since,
+   If-Match, If-None-Match, or If-Range header field. A conditional GET
+   method requests that the entity be transferred only under the
+   circumstances described by the conditional header field(s). The
+   conditional GET method is intended to reduce unnecessary network
+   usage by allowing cached entities to be refreshed without requiring
+   multiple requests or transferring data already held by the client.
+
+   The semantics of the GET method change to a "partial GET" if the
+   request message includes a Range header field. A partial GET requests
+   that only part of the entity be transferred, as described in section
+   14.35. The partial GET method is intended to reduce unnecessary
+   network usage by allowing partially-retrieved entities to be
+   completed without transferring data already held by the client.
+
+   The response to a GET request is cacheable if and only if it meets
+   the requirements for HTTP caching described in section 13.
+
+   See section 15.1.3 for security considerations when used for forms.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 53]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+9.4 HEAD
+
+   The HEAD method is identical to GET except that the server MUST NOT
+   return a message-body in the response. The metainformation contained
+   in the HTTP headers in response to a HEAD request SHOULD be identical
+   to the information sent in response to a GET request. This method can
+   be used for obtaining metainformation about the entity implied by the
+   request without transferring the entity-body itself. This method is
+   often used for testing hypertext links for validity, accessibility,
+   and recent modification.
+
+   The response to a HEAD request MAY be cacheable in the sense that the
+   information contained in the response MAY be used to update a
+   previously cached entity from that resource. If the new field values
+   indicate that the cached entity differs from the current entity (as
+   would be indicated by a change in Content-Length, Content-MD5, ETag
+   or Last-Modified), then the cache MUST treat the cache entry as
+   stale.
+
+9.5 POST
+
+   The POST method is used to request that the origin server accept the
+   entity enclosed in the request as a new subordinate of the resource
+   identified by the Request-URI in the Request-Line. POST is designed
+   to allow a uniform method to cover the following functions:
+
+      - Annotation of existing resources;
+
+      - Posting a message to a bulletin board, newsgroup, mailing list,
+        or similar group of articles;
+
+      - Providing a block of data, such as the result of submitting a
+        form, to a data-handling process;
+
+      - Extending a database through an append operation.
+
+   The actual function performed by the POST method is determined by the
+   server and is usually dependent on the Request-URI. The posted entity
+   is subordinate to that URI in the same way that a file is subordinate
+   to a directory containing it, a news article is subordinate to a
+   newsgroup to which it is posted, or a record is subordinate to a
+   database.
+
+   The action performed by the POST method might not result in a
+   resource that can be identified by a URI. In this case, either 200
+   (OK) or 204 (No Content) is the appropriate response status,
+   depending on whether or not the response includes an entity that
+   describes the result.
+
+
+
+Fielding, et al.            Standards Track                    [Page 54]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If a resource has been created on the origin server, the response
+   SHOULD be 201 (Created) and contain an entity which describes the
+   status of the request and refers to the new resource, and a Location
+   header (see section 14.30).
+
+   Responses to this method are not cacheable, unless the response
+   includes appropriate Cache-Control or Expires header fields. However,
+   the 303 (See Other) response can be used to direct the user agent to
+   retrieve a cacheable resource.
+
+   POST requests MUST obey the message transmission requirements set out
+   in section 8.2.
+
+   See section 15.1.3 for security considerations.
+
+9.6 PUT
+
+   The PUT method requests that the enclosed entity be stored under the
+   supplied Request-URI. If the Request-URI refers to an already
+   existing resource, the enclosed entity SHOULD be considered as a
+   modified version of the one residing on the origin server. If the
+   Request-URI does not point to an existing resource, and that URI is
+   capable of being defined as a new resource by the requesting user
+   agent, the origin server can create the resource with that URI. If a
+   new resource is created, the origin server MUST inform the user agent
+   via the 201 (Created) response. If an existing resource is modified,
+   either the 200 (OK) or 204 (No Content) response codes SHOULD be sent
+   to indicate successful completion of the request. If the resource
+   could not be created or modified with the Request-URI, an appropriate
+   error response SHOULD be given that reflects the nature of the
+   problem. The recipient of the entity MUST NOT ignore any Content-*
+   (e.g. Content-Range) headers that it does not understand or implement
+   and MUST return a 501 (Not Implemented) response in such cases.
+
+   If the request passes through a cache and the Request-URI identifies
+   one or more currently cached entities, those entries SHOULD be
+   treated as stale. Responses to this method are not cacheable.
+
+   The fundamental difference between the POST and PUT requests is
+   reflected in the different meaning of the Request-URI. The URI in a
+   POST request identifies the resource that will handle the enclosed
+   entity. That resource might be a data-accepting process, a gateway to
+   some other protocol, or a separate entity that accepts annotations.
+   In contrast, the URI in a PUT request identifies the entity enclosed
+   with the request -- the user agent knows what URI is intended and the
+   server MUST NOT attempt to apply the request to some other resource.
+   If the server desires that the request be applied to a different URI,
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 55]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   it MUST send a 301 (Moved Permanently) response; the user agent MAY
+   then make its own decision regarding whether or not to redirect the
+   request.
+
+   A single resource MAY be identified by many different URIs. For
+   example, an article might have a URI for identifying "the current
+   version" which is separate from the URI identifying each particular
+   version. In this case, a PUT request on a general URI might result in
+   several other URIs being defined by the origin server.
+
+   HTTP/1.1 does not define how a PUT method affects the state of an
+   origin server.
+
+   PUT requests MUST obey the message transmission requirements set out
+   in section 8.2.
+
+   Unless otherwise specified for a particular entity-header, the
+   entity-headers in the PUT request SHOULD be applied to the resource
+   created or modified by the PUT.
+
+9.7 DELETE
+
+   The DELETE method requests that the origin server delete the resource
+   identified by the Request-URI. This method MAY be overridden by human
+   intervention (or other means) on the origin server. The client cannot
+   be guaranteed that the operation has been carried out, even if the
+   status code returned from the origin server indicates that the action
+   has been completed successfully. However, the server SHOULD NOT
+   indicate success unless, at the time the response is given, it
+   intends to delete the resource or move it to an inaccessible
+   location.
+
+   A successful response SHOULD be 200 (OK) if the response includes an
+   entity describing the status, 202 (Accepted) if the action has not
+   yet been enacted, or 204 (No Content) if the action has been enacted
+   but the response does not include an entity.
+
+   If the request passes through a cache and the Request-URI identifies
+   one or more currently cached entities, those entries SHOULD be
+   treated as stale. Responses to this method are not cacheable.
+
+9.8 TRACE
+
+   The TRACE method is used to invoke a remote, application-layer loop-
+   back of the request message. The final recipient of the request
+   SHOULD reflect the message received back to the client as the
+   entity-body of a 200 (OK) response. The final recipient is either the
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 56]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   origin server or the first proxy or gateway to receive a Max-Forwards
+   value of zero (0) in the request (see section 14.31). A TRACE request
+   MUST NOT include an entity.
+
+   TRACE allows the client to see what is being received at the other
+   end of the request chain and use that data for testing or diagnostic
+   information. The value of the Via header field (section 14.45) is of
+   particular interest, since it acts as a trace of the request chain.
+   Use of the Max-Forwards header field allows the client to limit the
+   length of the request chain, which is useful for testing a chain of
+   proxies forwarding messages in an infinite loop.
+
+   If the request is valid, the response SHOULD contain the entire
+   request message in the entity-body, with a Content-Type of
+   "message/http". Responses to this method MUST NOT be cached.
+
+9.9 CONNECT
+
+   This specification reserves the method name CONNECT for use with a
+   proxy that can dynamically switch to being a tunnel (e.g. SSL
+   tunneling [44]).
+
+10 Status Code Definitions
+
+   Each Status-Code is described below, including a description of which
+   method(s) it can follow and any metainformation required in the
+   response.
+
+10.1 Informational 1xx
+
+   This class of status code indicates a provisional response,
+   consisting only of the Status-Line and optional headers, and is
+   terminated by an empty line. There are no required headers for this
+   class of status code. Since HTTP/1.0 did not define any 1xx status
+   codes, servers MUST NOT send a 1xx response to an HTTP/1.0 client
+   except under experimental conditions.
+
+   A client MUST be prepared to accept one or more 1xx status responses
+   prior to a regular response, even if the client does not expect a 100
+   (Continue) status message. Unexpected 1xx status responses MAY be
+   ignored by a user agent.
+
+   Proxies MUST forward 1xx responses, unless the connection between the
+   proxy and its client has been closed, or unless the proxy itself
+   requested the generation of the 1xx response. (For example, if a
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 57]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   proxy adds a "Expect: 100-continue" field when it forwards a request,
+   then it need not forward the corresponding 100 (Continue)
+   response(s).)
+
+10.1.1 100 Continue
+
+   The client SHOULD continue with its request. This interim response is
+   used to inform the client that the initial part of the request has
+   been received and has not yet been rejected by the server. The client
+   SHOULD continue by sending the remainder of the request or, if the
+   request has already been completed, ignore this response. The server
+   MUST send a final response after the request has been completed. See
+   section 8.2.3 for detailed discussion of the use and handling of this
+   status code.
+
+10.1.2 101 Switching Protocols
+
+   The server understands and is willing to comply with the client's
+   request, via the Upgrade message header field (section 14.42), for a
+   change in the application protocol being used on this connection. The
+   server will switch protocols to those defined by the response's
+   Upgrade header field immediately after the empty line which
+   terminates the 101 response.
+
+   The protocol SHOULD be switched only when it is advantageous to do
+   so. For example, switching to a newer version of HTTP is advantageous
+   over older versions, and switching to a real-time, synchronous
+   protocol might be advantageous when delivering resources that use
+   such features.
+
+10.2 Successful 2xx
+
+   This class of status code indicates that the client's request was
+   successfully received, understood, and accepted.
+
+10.2.1 200 OK
+
+   The request has succeeded. The information returned with the response
+   is dependent on the method used in the request, for example:
+
+   GET    an entity corresponding to the requested resource is sent in
+          the response;
+
+   HEAD   the entity-header fields corresponding to the requested
+          resource are sent in the response without any message-body;
+
+   POST   an entity describing or containing the result of the action;
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 58]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   TRACE  an entity containing the request message as received by the
+          end server.
+
+10.2.2 201 Created
+
+   The request has been fulfilled and resulted in a new resource being
+   created. The newly created resource can be referenced by the URI(s)
+   returned in the entity of the response, with the most specific URI
+   for the resource given by a Location header field. The response
+   SHOULD include an entity containing a list of resource
+   characteristics and location(s) from which the user or user agent can
+   choose the one most appropriate. The entity format is specified by
+   the media type given in the Content-Type header field. The origin
+   server MUST create the resource before returning the 201 status code.
+   If the action cannot be carried out immediately, the server SHOULD
+   respond with 202 (Accepted) response instead.
+
+   A 201 response MAY contain an ETag response header field indicating
+   the current value of the entity tag for the requested variant just
+   created, see section 14.19.
+
+10.2.3 202 Accepted
+
+   The request has been accepted for processing, but the processing has
+   not been completed.  The request might or might not eventually be
+   acted upon, as it might be disallowed when processing actually takes
+   place. There is no facility for re-sending a status code from an
+   asynchronous operation such as this.
+
+   The 202 response is intentionally non-committal. Its purpose is to
+   allow a server to accept a request for some other process (perhaps a
+   batch-oriented process that is only run once per day) without
+   requiring that the user agent's connection to the server persist
+   until the process is completed. The entity returned with this
+   response SHOULD include an indication of the request's current status
+   and either a pointer to a status monitor or some estimate of when the
+   user can expect the request to be fulfilled.
+
+10.2.4 203 Non-Authoritative Information
+
+   The returned metainformation in the entity-header is not the
+   definitive set as available from the origin server, but is gathered
+   from a local or a third-party copy. The set presented MAY be a subset
+   or superset of the original version. For example, including local
+   annotation information about the resource might result in a superset
+   of the metainformation known by the origin server. Use of this
+   response code is not required and is only appropriate when the
+   response would otherwise be 200 (OK).
+
+
+
+Fielding, et al.            Standards Track                    [Page 59]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.2.5 204 No Content
+
+   The server has fulfilled the request but does not need to return an
+   entity-body, and might want to return updated metainformation. The
+   response MAY include new or updated metainformation in the form of
+   entity-headers, which if present SHOULD be associated with the
+   requested variant.
+
+   If the client is a user agent, it SHOULD NOT change its document view
+   from that which caused the request to be sent. This response is
+   primarily intended to allow input for actions to take place without
+   causing a change to the user agent's active document view, although
+   any new or updated metainformation SHOULD be applied to the document
+   currently in the user agent's active view.
+
+   The 204 response MUST NOT include a message-body, and thus is always
+   terminated by the first empty line after the header fields.
+
+10.2.6 205 Reset Content
+
+   The server has fulfilled the request and the user agent SHOULD reset
+   the document view which caused the request to be sent. This response
+   is primarily intended to allow input for actions to take place via
+   user input, followed by a clearing of the form in which the input is
+   given so that the user can easily initiate another input action. The
+   response MUST NOT include an entity.
+
+10.2.7 206 Partial Content
+
+   The server has fulfilled the partial GET request for the resource.
+   The request MUST have included a Range header field (section 14.35)
+   indicating the desired range, and MAY have included an If-Range
+   header field (section 14.27) to make the request conditional.
+
+   The response MUST include the following header fields:
+
+      - Either a Content-Range header field (section 14.16) indicating
+        the range included with this response, or a multipart/byteranges
+        Content-Type including Content-Range fields for each part. If a
+        Content-Length header field is present in the response, its
+        value MUST match the actual number of OCTETs transmitted in the
+        message-body.
+
+      - Date
+
+      - ETag and/or Content-Location, if the header would have been sent
+        in a 200 response to the same request
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 60]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      - Expires, Cache-Control, and/or Vary, if the field-value might
+        differ from that sent in any previous response for the same
+        variant
+
+   If the 206 response is the result of an If-Range request that used a
+   strong cache validator (see section 13.3.3), the response SHOULD NOT
+   include other entity-headers. If the response is the result of an
+   If-Range request that used a weak validator, the response MUST NOT
+   include other entity-headers; this prevents inconsistencies between
+   cached entity-bodies and updated headers. Otherwise, the response
+   MUST include all of the entity-headers that would have been returned
+   with a 200 (OK) response to the same request.
+
+   A cache MUST NOT combine a 206 response with other previously cached
+   content if the ETag or Last-Modified headers do not match exactly,
+   see 13.5.4.
+
+   A cache that does not support the Range and Content-Range headers
+   MUST NOT cache 206 (Partial) responses.
+
+10.3 Redirection 3xx
+
+   This class of status code indicates that further action needs to be
+   taken by the user agent in order to fulfill the request.  The action
+   required MAY be carried out by the user agent without interaction
+   with the user if and only if the method used in the second request is
+   GET or HEAD. A client SHOULD detect infinite redirection loops, since
+   such loops generate network traffic for each redirection.
+
+      Note: previous versions of this specification recommended a
+      maximum of five redirections. Content developers should be aware
+      that there might be clients that implement such a fixed
+      limitation.
+
+10.3.1 300 Multiple Choices
+
+   The requested resource corresponds to any one of a set of
+   representations, each with its own specific location, and agent-
+   driven negotiation information (section 12) is being provided so that
+   the user (or user agent) can select a preferred representation and
+   redirect its request to that location.
+
+   Unless it was a HEAD request, the response SHOULD include an entity
+   containing a list of resource characteristics and location(s) from
+   which the user or user agent can choose the one most appropriate. The
+   entity format is specified by the media type given in the Content-
+   Type header field. Depending upon the format and the capabilities of
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 61]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   the user agent, selection of the most appropriate choice MAY be
+   performed automatically. However, this specification does not define
+   any standard for such automatic selection.
+
+   If the server has a preferred choice of representation, it SHOULD
+   include the specific URI for that representation in the Location
+   field; user agents MAY use the Location field value for automatic
+   redirection. This response is cacheable unless indicated otherwise.
+
+10.3.2 301 Moved Permanently
+
+   The requested resource has been assigned a new permanent URI and any
+   future references to this resource SHOULD use one of the returned
+   URIs.  Clients with link editing capabilities ought to automatically
+   re-link references to the Request-URI to one or more of the new
+   references returned by the server, where possible. This response is
+   cacheable unless indicated otherwise.
+
+   The new permanent URI SHOULD be given by the Location field in the
+   response. Unless the request method was HEAD, the entity of the
+   response SHOULD contain a short hypertext note with a hyperlink to
+   the new URI(s).
+
+   If the 301 status code is received in response to a request other
+   than GET or HEAD, the user agent MUST NOT automatically redirect the
+   request unless it can be confirmed by the user, since this might
+   change the conditions under which the request was issued.
+
+      Note: When automatically redirecting a POST request after
+      receiving a 301 status code, some existing HTTP/1.0 user agents
+      will erroneously change it into a GET request.
+
+10.3.3 302 Found
+
+   The requested resource resides temporarily under a different URI.
+   Since the redirection might be altered on occasion, the client SHOULD
+   continue to use the Request-URI for future requests.  This response
+   is only cacheable if indicated by a Cache-Control or Expires header
+   field.
+
+   The temporary URI SHOULD be given by the Location field in the
+   response. Unless the request method was HEAD, the entity of the
+   response SHOULD contain a short hypertext note with a hyperlink to
+   the new URI(s).
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 62]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If the 302 status code is received in response to a request other
+   than GET or HEAD, the user agent MUST NOT automatically redirect the
+   request unless it can be confirmed by the user, since this might
+   change the conditions under which the request was issued.
+
+      Note: RFC 1945 and RFC 2068 specify that the client is not allowed
+      to change the method on the redirected request.  However, most
+      existing user agent implementations treat 302 as if it were a 303
+      response, performing a GET on the Location field-value regardless
+      of the original request method. The status codes 303 and 307 have
+      been added for servers that wish to make unambiguously clear which
+      kind of reaction is expected of the client.
+
+10.3.4 303 See Other
+
+   The response to the request can be found under a different URI and
+   SHOULD be retrieved using a GET method on that resource. This method
+   exists primarily to allow the output of a POST-activated script to
+   redirect the user agent to a selected resource. The new URI is not a
+   substitute reference for the originally requested resource. The 303
+   response MUST NOT be cached, but the response to the second
+   (redirected) request might be cacheable.
+
+   The different URI SHOULD be given by the Location field in the
+   response. Unless the request method was HEAD, the entity of the
+   response SHOULD contain a short hypertext note with a hyperlink to
+   the new URI(s).
+
+      Note: Many pre-HTTP/1.1 user agents do not understand the 303
+      status. When interoperability with such clients is a concern, the
+      302 status code may be used instead, since most user agents react
+      to a 302 response as described here for 303.
+
+10.3.5 304 Not Modified
+
+   If the client has performed a conditional GET request and access is
+   allowed, but the document has not been modified, the server SHOULD
+   respond with this status code. The 304 response MUST NOT contain a
+   message-body, and thus is always terminated by the first empty line
+   after the header fields.
+
+   The response MUST include the following header fields:
+
+      - Date, unless its omission is required by section 14.18.1
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 63]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If a clockless origin server obeys these rules, and proxies and
+   clients add their own Date to any response received without one (as
+   already specified by [RFC 2068], section 14.19), caches will operate
+   correctly.
+
+      - ETag and/or Content-Location, if the header would have been sent
+        in a 200 response to the same request
+
+      - Expires, Cache-Control, and/or Vary, if the field-value might
+        differ from that sent in any previous response for the same
+        variant
+
+   If the conditional GET used a strong cache validator (see section
+   13.3.3), the response SHOULD NOT include other entity-headers.
+   Otherwise (i.e., the conditional GET used a weak validator), the
+   response MUST NOT include other entity-headers; this prevents
+   inconsistencies between cached entity-bodies and updated headers.
+
+   If a 304 response indicates an entity not currently cached, then the
+   cache MUST disregard the response and repeat the request without the
+   conditional.
+
+   If a cache uses a received 304 response to update a cache entry, the
+   cache MUST update the entry to reflect any new field values given in
+   the response.
+
+10.3.6 305 Use Proxy
+
+   The requested resource MUST be accessed through the proxy given by
+   the Location field. The Location field gives the URI of the proxy.
+   The recipient is expected to repeat this single request via the
+   proxy. 305 responses MUST only be generated by origin servers.
+
+      Note: RFC 2068 was not clear that 305 was intended to redirect a
+      single request, and to be generated by origin servers only.  Not
+      observing these limitations has significant security consequences.
+
+10.3.7 306 (Unused)
+
+   The 306 status code was used in a previous version of the
+   specification, is no longer used, and the code is reserved.
+
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 64]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.3.8 307 Temporary Redirect
+
+   The requested resource resides temporarily under a different URI.
+   Since the redirection MAY be altered on occasion, the client SHOULD
+   continue to use the Request-URI for future requests.  This response
+   is only cacheable if indicated by a Cache-Control or Expires header
+   field.
+
+   The temporary URI SHOULD be given by the Location field in the
+   response. Unless the request method was HEAD, the entity of the
+   response SHOULD contain a short hypertext note with a hyperlink to
+   the new URI(s) , since many pre-HTTP/1.1 user agents do not
+   understand the 307 status. Therefore, the note SHOULD contain the
+   information necessary for a user to repeat the original request on
+   the new URI.
+
+   If the 307 status code is received in response to a request other
+   than GET or HEAD, the user agent MUST NOT automatically redirect the
+   request unless it can be confirmed by the user, since this might
+   change the conditions under which the request was issued.
+
+10.4 Client Error 4xx
+
+   The 4xx class of status code is intended for cases in which the
+   client seems to have erred. Except when responding to a HEAD request,
+   the server SHOULD include an entity containing an explanation of the
+   error situation, and whether it is a temporary or permanent
+   condition. These status codes are applicable to any request method.
+   User agents SHOULD display any included entity to the user.
+
+   If the client is sending data, a server implementation using TCP
+   SHOULD be careful to ensure that the client acknowledges receipt of
+   the packet(s) containing the response, before the server closes the
+   input connection. If the client continues sending data to the server
+   after the close, the server's TCP stack will send a reset packet to
+   the client, which may erase the client's unacknowledged input buffers
+   before they can be read and interpreted by the HTTP application.
+
+10.4.1 400 Bad Request
+
+   The request could not be understood by the server due to malformed
+   syntax. The client SHOULD NOT repeat the request without
+   modifications.
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 65]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.4.2 401 Unauthorized
+
+   The request requires user authentication. The response MUST include a
+   WWW-Authenticate header field (section 14.47) containing a challenge
+   applicable to the requested resource. The client MAY repeat the
+   request with a suitable Authorization header field (section 14.8). If
+   the request already included Authorization credentials, then the 401
+   response indicates that authorization has been refused for those
+   credentials. If the 401 response contains the same challenge as the
+   prior response, and the user agent has already attempted
+   authentication at least once, then the user SHOULD be presented the
+   entity that was given in the response, since that entity might
+   include relevant diagnostic information. HTTP access authentication
+   is explained in "HTTP Authentication: Basic and Digest Access
+   Authentication" [43].
+
+10.4.3 402 Payment Required
+
+   This code is reserved for future use.
+
+10.4.4 403 Forbidden
+
+   The server understood the request, but is refusing to fulfill it.
+   Authorization will not help and the request SHOULD NOT be repeated.
+   If the request method was not HEAD and the server wishes to make
+   public why the request has not been fulfilled, it SHOULD describe the
+   reason for the refusal in the entity.  If the server does not wish to
+   make this information available to the client, the status code 404
+   (Not Found) can be used instead.
+
+10.4.5 404 Not Found
+
+   The server has not found anything matching the Request-URI. No
+   indication is given of whether the condition is temporary or
+   permanent. The 410 (Gone) status code SHOULD be used if the server
+   knows, through some internally configurable mechanism, that an old
+   resource is permanently unavailable and has no forwarding address.
+   This status code is commonly used when the server does not wish to
+   reveal exactly why the request has been refused, or when no other
+   response is applicable.
+
+10.4.6 405 Method Not Allowed
+
+   The method specified in the Request-Line is not allowed for the
+   resource identified by the Request-URI. The response MUST include an
+   Allow header containing a list of valid methods for the requested
+   resource.
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 66]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.4.7 406 Not Acceptable
+
+   The resource identified by the request is only capable of generating
+   response entities which have content characteristics not acceptable
+   according to the accept headers sent in the request.
+
+   Unless it was a HEAD request, the response SHOULD include an entity
+   containing a list of available entity characteristics and location(s)
+   from which the user or user agent can choose the one most
+   appropriate. The entity format is specified by the media type given
+   in the Content-Type header field. Depending upon the format and the
+   capabilities of the user agent, selection of the most appropriate
+   choice MAY be performed automatically. However, this specification
+   does not define any standard for such automatic selection.
+
+      Note: HTTP/1.1 servers are allowed to return responses which are
+      not acceptable according to the accept headers sent in the
+      request. In some cases, this may even be preferable to sending a
+      406 response. User agents are encouraged to inspect the headers of
+      an incoming response to determine if it is acceptable.
+
+   If the response could be unacceptable, a user agent SHOULD
+   temporarily stop receipt of more data and query the user for a
+   decision on further actions.
+
+10.4.8 407 Proxy Authentication Required
+
+   This code is similar to 401 (Unauthorized), but indicates that the
+   client must first authenticate itself with the proxy. The proxy MUST
+   return a Proxy-Authenticate header field (section 14.33) containing a
+   challenge applicable to the proxy for the requested resource. The
+   client MAY repeat the request with a suitable Proxy-Authorization
+   header field (section 14.34). HTTP access authentication is explained
+   in "HTTP Authentication: Basic and Digest Access Authentication"
+   [43].
+
+10.4.9 408 Request Timeout
+
+   The client did not produce a request within the time that the server
+   was prepared to wait. The client MAY repeat the request without
+   modifications at any later time.
+
+10.4.10 409 Conflict
+
+   The request could not be completed due to a conflict with the current
+   state of the resource. This code is only allowed in situations where
+   it is expected that the user might be able to resolve the conflict
+   and resubmit the request. The response body SHOULD include enough
+
+
+
+Fielding, et al.            Standards Track                    [Page 67]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   information for the user to recognize the source of the conflict.
+   Ideally, the response entity would include enough information for the
+   user or user agent to fix the problem; however, that might not be
+   possible and is not required.
+
+   Conflicts are most likely to occur in response to a PUT request. For
+   example, if versioning were being used and the entity being PUT
+   included changes to a resource which conflict with those made by an
+   earlier (third-party) request, the server might use the 409 response
+   to indicate that it can't complete the request. In this case, the
+   response entity would likely contain a list of the differences
+   between the two versions in a format defined by the response
+   Content-Type.
+
+10.4.11 410 Gone
+
+   The requested resource is no longer available at the server and no
+   forwarding address is known. This condition is expected to be
+   considered permanent. Clients with link editing capabilities SHOULD
+   delete references to the Request-URI after user approval. If the
+   server does not know, or has no facility to determine, whether or not
+   the condition is permanent, the status code 404 (Not Found) SHOULD be
+   used instead. This response is cacheable unless indicated otherwise.
+
+   The 410 response is primarily intended to assist the task of web
+   maintenance by notifying the recipient that the resource is
+   intentionally unavailable and that the server owners desire that
+   remote links to that resource be removed. Such an event is common for
+   limited-time, promotional services and for resources belonging to
+   individuals no longer working at the server's site. It is not
+   necessary to mark all permanently unavailable resources as "gone" or
+   to keep the mark for any length of time -- that is left to the
+   discretion of the server owner.
+
+10.4.12 411 Length Required
+
+   The server refuses to accept the request without a defined Content-
+   Length. The client MAY repeat the request if it adds a valid
+   Content-Length header field containing the length of the message-body
+   in the request message.
+
+10.4.13 412 Precondition Failed
+
+   The precondition given in one or more of the request-header fields
+   evaluated to false when it was tested on the server. This response
+   code allows the client to place preconditions on the current resource
+   metainformation (header field data) and thus prevent the requested
+   method from being applied to a resource other than the one intended.
+
+
+
+Fielding, et al.            Standards Track                    [Page 68]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.4.14 413 Request Entity Too Large
+
+   The server is refusing to process a request because the request
+   entity is larger than the server is willing or able to process. The
+   server MAY close the connection to prevent the client from continuing
+   the request.
+
+   If the condition is temporary, the server SHOULD include a Retry-
+   After header field to indicate that it is temporary and after what
+   time the client MAY try again.
+
+10.4.15 414 Request-URI Too Long
+
+   The server is refusing to service the request because the Request-URI
+   is longer than the server is willing to interpret. This rare
+   condition is only likely to occur when a client has improperly
+   converted a POST request to a GET request with long query
+   information, when the client has descended into a URI "black hole" of
+   redirection (e.g., a redirected URI prefix that points to a suffix of
+   itself), or when the server is under attack by a client attempting to
+   exploit security holes present in some servers using fixed-length
+   buffers for reading or manipulating the Request-URI.
+
+10.4.16 415 Unsupported Media Type
+
+   The server is refusing to service the request because the entity of
+   the request is in a format not supported by the requested resource
+   for the requested method.
+
+10.4.17 416 Requested Range Not Satisfiable
+
+   A server SHOULD return a response with this status code if a request
+   included a Range request-header field (section 14.35), and none of
+   the range-specifier values in this field overlap the current extent
+   of the selected resource, and the request did not include an If-Range
+   request-header field. (For byte-ranges, this means that the first-
+   byte-pos of all of the byte-range-spec values were greater than the
+   current length of the selected resource.)
+
+   When this status code is returned for a byte-range request, the
+   response SHOULD include a Content-Range entity-header field
+   specifying the current length of the selected resource (see section
+   14.16). This response MUST NOT use the multipart/byteranges content-
+   type.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 69]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.4.18 417 Expectation Failed
+
+   The expectation given in an Expect request-header field (see section
+   14.20) could not be met by this server, or, if the server is a proxy,
+   the server has unambiguous evidence that the request could not be met
+   by the next-hop server.
+
+10.5 Server Error 5xx
+
+   Response status codes beginning with the digit "5" indicate cases in
+   which the server is aware that it has erred or is incapable of
+   performing the request. Except when responding to a HEAD request, the
+   server SHOULD include an entity containing an explanation of the
+   error situation, and whether it is a temporary or permanent
+   condition. User agents SHOULD display any included entity to the
+   user. These response codes are applicable to any request method.
+
+10.5.1 500 Internal Server Error
+
+   The server encountered an unexpected condition which prevented it
+   from fulfilling the request.
+
+10.5.2 501 Not Implemented
+
+   The server does not support the functionality required to fulfill the
+   request. This is the appropriate response when the server does not
+   recognize the request method and is not capable of supporting it for
+   any resource.
+
+10.5.3 502 Bad Gateway
+
+   The server, while acting as a gateway or proxy, received an invalid
+   response from the upstream server it accessed in attempting to
+   fulfill the request.
+
+10.5.4 503 Service Unavailable
+
+   The server is currently unable to handle the request due to a
+   temporary overloading or maintenance of the server. The implication
+   is that this is a temporary condition which will be alleviated after
+   some delay. If known, the length of the delay MAY be indicated in a
+   Retry-After header. If no Retry-After is given, the client SHOULD
+   handle the response as it would for a 500 response.
+
+      Note: The existence of the 503 status code does not imply that a
+      server must use it when becoming overloaded. Some servers may wish
+      to simply refuse the connection.
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 70]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+10.5.5 504 Gateway Timeout
+
+   The server, while acting as a gateway or proxy, did not receive a
+   timely response from the upstream server specified by the URI (e.g.
+   HTTP, FTP, LDAP) or some other auxiliary server (e.g. DNS) it needed
+   to access in attempting to complete the request.
+
+      Note: Note to implementors: some deployed proxies are known to
+      return 400 or 500 when DNS lookups time out.
+
+10.5.6 505 HTTP Version Not Supported
+
+   The server does not support, or refuses to support, the HTTP protocol
+   version that was used in the request message. The server is
+   indicating that it is unable or unwilling to complete the request
+   using the same major version as the client, as described in section
+   3.1, other than with this error message. The response SHOULD contain
+   an entity describing why that version is not supported and what other
+   protocols are supported by that server.
+
+11 Access Authentication
+
+   HTTP provides several OPTIONAL challenge-response authentication
+   mechanisms which can be used by a server to challenge a client
+   request and by a client to provide authentication information. The
+   general framework for access authentication, and the specification of
+   "basic" and "digest" authentication, are specified in "HTTP
+   Authentication: Basic and Digest Access Authentication" [43]. This
+   specification adopts the definitions of "challenge" and "credentials"
+   from that specification.
+
+12 Content Negotiation
+
+   Most HTTP responses include an entity which contains information for
+   interpretation by a human user. Naturally, it is desirable to supply
+   the user with the "best available" entity corresponding to the
+   request. Unfortunately for servers and caches, not all users have the
+   same preferences for what is "best," and not all user agents are
+   equally capable of rendering all entity types. For that reason, HTTP
+   has provisions for several mechanisms for "content negotiation" --
+   the process of selecting the best representation for a given response
+   when there are multiple representations available.
+
+      Note: This is not called "format negotiation" because the
+      alternate representations may be of the same media type, but use
+      different capabilities of that type, be in different languages,
+      etc.
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 71]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Any response containing an entity-body MAY be subject to negotiation,
+   including error responses.
+
+   There are two kinds of content negotiation which are possible in
+   HTTP: server-driven and agent-driven negotiation. These two kinds of
+   negotiation are orthogonal and thus may be used separately or in
+   combination. One method of combination, referred to as transparent
+   negotiation, occurs when a cache uses the agent-driven negotiation
+   information provided by the origin server in order to provide
+   server-driven negotiation for subsequent requests.
+
+12.1 Server-driven Negotiation
+
+   If the selection of the best representation for a response is made by
+   an algorithm located at the server, it is called server-driven
+   negotiation. Selection is based on the available representations of
+   the response (the dimensions over which it can vary; e.g. language,
+   content-coding, etc.) and the contents of particular header fields in
+   the request message or on other information pertaining to the request
+   (such as the network address of the client).
+
+   Server-driven negotiation is advantageous when the algorithm for
+   selecting from among the available representations is difficult to
+   describe to the user agent, or when the server desires to send its
+   "best guess" to the client along with the first response (hoping to
+   avoid the round-trip delay of a subsequent request if the "best
+   guess" is good enough for the user). In order to improve the server's
+   guess, the user agent MAY include request header fields (Accept,
+   Accept-Language, Accept-Encoding, etc.) which describe its
+   preferences for such a response.
+
+   Server-driven negotiation has disadvantages:
+
+      1. It is impossible for the server to accurately determine what
+         might be "best" for any given user, since that would require
+         complete knowledge of both the capabilities of the user agent
+         and the intended use for the response (e.g., does the user want
+         to view it on screen or print it on paper?).
+
+      2. Having the user agent describe its capabilities in every
+         request can be both very inefficient (given that only a small
+         percentage of responses have multiple representations) and a
+         potential violation of the user's privacy.
+
+      3. It complicates the implementation of an origin server and the
+         algorithms for generating responses to a request.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 72]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      4. It may limit a public cache's ability to use the same response
+         for multiple user's requests.
+
+   HTTP/1.1 includes the following request-header fields for enabling
+   server-driven negotiation through description of user agent
+   capabilities and user preferences: Accept (section 14.1), Accept-
+   Charset (section 14.2), Accept-Encoding (section 14.3), Accept-
+   Language (section 14.4), and User-Agent (section 14.43). However, an
+   origin server is not limited to these dimensions and MAY vary the
+   response based on any aspect of the request, including information
+   outside the request-header fields or within extension header fields
+   not defined by this specification.
+
+   The Vary  header field can be used to express the parameters the
+   server uses to select a representation that is subject to server-
+   driven negotiation. See section 13.6 for use of the Vary header field
+   by caches and section 14.44 for use of the Vary header field by
+   servers.
+
+12.2 Agent-driven Negotiation
+
+   With agent-driven negotiation, selection of the best representation
+   for a response is performed by the user agent after receiving an
+   initial response from the origin server. Selection is based on a list
+   of the available representations of the response included within the
+   header fields or entity-body of the initial response, with each
+   representation identified by its own URI. Selection from among the
+   representations may be performed automatically (if the user agent is
+   capable of doing so) or manually by the user selecting from a
+   generated (possibly hypertext) menu.
+
+   Agent-driven negotiation is advantageous when the response would vary
+   over commonly-used dimensions (such as type, language, or encoding),
+   when the origin server is unable to determine a user agent's
+   capabilities from examining the request, and generally when public
+   caches are used to distribute server load and reduce network usage.
+
+   Agent-driven negotiation suffers from the disadvantage of needing a
+   second request to obtain the best alternate representation. This
+   second request is only efficient when caching is used. In addition,
+   this specification does not define any mechanism for supporting
+   automatic selection, though it also does not prevent any such
+   mechanism from being developed as an extension and used within
+   HTTP/1.1.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 73]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   HTTP/1.1 defines the 300 (Multiple Choices) and 406 (Not Acceptable)
+   status codes for enabling agent-driven negotiation when the server is
+   unwilling or unable to provide a varying response using server-driven
+   negotiation.
+
+12.3 Transparent Negotiation
+
+   Transparent negotiation is a combination of both server-driven and
+   agent-driven negotiation. When a cache is supplied with a form of the
+   list of available representations of the response (as in agent-driven
+   negotiation) and the dimensions of variance are completely understood
+   by the cache, then the cache becomes capable of performing server-
+   driven negotiation on behalf of the origin server for subsequent
+   requests on that resource.
+
+   Transparent negotiation has the advantage of distributing the
+   negotiation work that would otherwise be required of the origin
+   server and also removing the second request delay of agent-driven
+   negotiation when the cache is able to correctly guess the right
+   response.
+
+   This specification does not define any mechanism for transparent
+   negotiation, though it also does not prevent any such mechanism from
+   being developed as an extension that could be used within HTTP/1.1.
+
+13 Caching in HTTP
+
+   HTTP is typically used for distributed information systems, where
+   performance can be improved by the use of response caches. The
+   HTTP/1.1 protocol includes a number of elements intended to make
+   caching work as well as possible. Because these elements are
+   inextricable from other aspects of the protocol, and because they
+   interact with each other, it is useful to describe the basic caching
+   design of HTTP separately from the detailed descriptions of methods,
+   headers, response codes, etc.
+
+   Caching would be useless if it did not significantly improve
+   performance. The goal of caching in HTTP/1.1 is to eliminate the need
+   to send requests in many cases, and to eliminate the need to send
+   full responses in many other cases. The former reduces the number of
+   network round-trips required for many operations; we use an
+   "expiration" mechanism for this purpose (see section 13.2). The
+   latter reduces network bandwidth requirements; we use a "validation"
+   mechanism for this purpose (see section 13.3).
+
+   Requirements for performance, availability, and disconnected
+   operation require us to be able to relax the goal of semantic
+   transparency. The HTTP/1.1 protocol allows origin servers, caches,
+
+
+
+Fielding, et al.            Standards Track                    [Page 74]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   and clients to explicitly reduce transparency when necessary.
+   However, because non-transparent operation may confuse non-expert
+   users, and might be incompatible with certain server applications
+   (such as those for ordering merchandise), the protocol requires that
+   transparency be relaxed
+
+      - only by an explicit protocol-level request when relaxed by
+        client or origin server
+
+      - only with an explicit warning to the end user when relaxed by
+        cache or client
+
+   Therefore, the HTTP/1.1 protocol provides these important elements:
+
+      1. Protocol features that provide full semantic transparency when
+         this is required by all parties.
+
+      2. Protocol features that allow an origin server or user agent to
+         explicitly request and control non-transparent operation.
+
+      3. Protocol features that allow a cache to attach warnings to
+         responses that do not preserve the requested approximation of
+         semantic transparency.
+
+   A basic principle is that it must be possible for the clients to
+   detect any potential relaxation of semantic transparency.
+
+      Note: The server, cache, or client implementor might be faced with
+      design decisions not explicitly discussed in this specification.
+      If a decision might affect semantic transparency, the implementor
+      ought to err on the side of maintaining transparency unless a
+      careful and complete analysis shows significant benefits in
+      breaking transparency.
+
+13.1.1 Cache Correctness
+
+   A correct cache MUST respond to a request with the most up-to-date
+   response held by the cache that is appropriate to the request (see
+   sections 13.2.5, 13.2.6, and 13.12) which meets one of the following
+   conditions:
+
+      1. It has been checked for equivalence with what the origin server
+         would have returned by revalidating the response with the
+         origin server (section 13.3);
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 75]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      2. It is "fresh enough" (see section 13.2). In the default case,
+         this means it meets the least restrictive freshness requirement
+         of the client, origin server, and cache (see section 14.9); if
+         the origin server so specifies, it is the freshness requirement
+         of the origin server alone.
+
+         If a stored response is not "fresh enough" by the most
+         restrictive freshness requirement of both the client and the
+         origin server, in carefully considered circumstances the cache
+         MAY still return the response with the appropriate Warning
+         header (see section 13.1.5 and 14.46), unless such a response
+         is prohibited (e.g., by a "no-store" cache-directive, or by a
+         "no-cache" cache-request-directive; see section 14.9).
+
+      3. It is an appropriate 304 (Not Modified), 305 (Proxy Redirect),
+         or error (4xx or 5xx) response message.
+
+   If the cache can not communicate with the origin server, then a
+   correct cache SHOULD respond as above if the response can be
+   correctly served from the cache; if not it MUST return an error or
+   warning indicating that there was a communication failure.
+
+   If a cache receives a response (either an entire response, or a 304
+   (Not Modified) response) that it would normally forward to the
+   requesting client, and the received response is no longer fresh, the
+   cache SHOULD forward it to the requesting client without adding a new
+   Warning (but without removing any existing Warning headers). A cache
+   SHOULD NOT attempt to revalidate a response simply because that
+   response became stale in transit; this might lead to an infinite
+   loop. A user agent that receives a stale response without a Warning
+   MAY display a warning indication to the user.
+
+13.1.2 Warnings
+
+   Whenever a cache returns a response that is neither first-hand nor
+   "fresh enough" (in the sense of condition 2 in section 13.1.1), it
+   MUST attach a warning to that effect, using a Warning general-header.
+   The Warning header and the currently defined warnings are described
+   in section 14.46. The warning allows clients to take appropriate
+   action.
+
+   Warnings MAY be used for other purposes, both cache-related and
+   otherwise. The use of a warning, rather than an error status code,
+   distinguish these responses from true failures.
+
+   Warnings are assigned three digit warn-codes. The first digit
+   indicates whether the Warning MUST or MUST NOT be deleted from a
+   stored cache entry after a successful revalidation:
+
+
+
+Fielding, et al.            Standards Track                    [Page 76]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   1xx  Warnings that describe the freshness or revalidation status of
+     the response, and so MUST be deleted after a successful
+     revalidation. 1XX warn-codes MAY be generated by a cache only when
+     validating a cached entry. It MUST NOT be generated by clients.
+
+   2xx  Warnings that describe some aspect of the entity body or entity
+     headers that is not rectified by a revalidation (for example, a
+     lossy compression of the entity bodies) and which MUST NOT be
+     deleted after a successful revalidation.
+
+   See section 14.46 for the definitions of the codes themselves.
+
+   HTTP/1.0 caches will cache all Warnings in responses, without
+   deleting the ones in the first category. Warnings in responses that
+   are passed to HTTP/1.0 caches carry an extra warning-date field,
+   which prevents a future HTTP/1.1 recipient from believing an
+   erroneously cached Warning.
+
+   Warnings also carry a warning text. The text MAY be in any
+   appropriate natural language (perhaps based on the client's Accept
+   headers), and include an OPTIONAL indication of what character set is
+   used.
+
+   Multiple warnings MAY be attached to a response (either by the origin
+   server or by a cache), including multiple warnings with the same code
+   number. For example, a server might provide the same warning with
+   texts in both English and Basque.
+
+   When multiple warnings are attached to a response, it might not be
+   practical or reasonable to display all of them to the user. This
+   version of HTTP does not specify strict priority rules for deciding
+   which warnings to display and in what order, but does suggest some
+   heuristics.
+
+13.1.3 Cache-control Mechanisms
+
+   The basic cache mechanisms in HTTP/1.1 (server-specified expiration
+   times and validators) are implicit directives to caches. In some
+   cases, a server or client might need to provide explicit directives
+   to the HTTP caches. We use the Cache-Control header for this purpose.
+
+   The Cache-Control header allows a client or server to transmit a
+   variety of directives in either requests or responses. These
+   directives typically override the default caching algorithms. As a
+   general rule, if there is any apparent conflict between header
+   values, the most restrictive interpretation is applied (that is, the
+   one that is most likely to preserve semantic transparency). However,
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 77]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   in some cases, cache-control directives are explicitly specified as
+   weakening the approximation of semantic transparency (for example,
+   "max-stale" or "public").
+
+   The cache-control directives are described in detail in section 14.9.
+
+13.1.4 Explicit User Agent Warnings
+
+   Many user agents make it possible for users to override the basic
+   caching mechanisms. For example, the user agent might allow the user
+   to specify that cached entities (even explicitly stale ones) are
+   never validated. Or the user agent might habitually add "Cache-
+   Control: max-stale=3600" to every request. The user agent SHOULD NOT
+   default to either non-transparent behavior, or behavior that results
+   in abnormally ineffective caching, but MAY be explicitly configured
+   to do so by an explicit action of the user.
+
+   If the user has overridden the basic caching mechanisms, the user
+   agent SHOULD explicitly indicate to the user whenever this results in
+   the display of information that might not meet the server's
+   transparency requirements (in particular, if the displayed entity is
+   known to be stale). Since the protocol normally allows the user agent
+   to determine if responses are stale or not, this indication need only
+   be displayed when this actually happens. The indication need not be a
+   dialog box; it could be an icon (for example, a picture of a rotting
+   fish) or some other indicator.
+
+   If the user has overridden the caching mechanisms in a way that would
+   abnormally reduce the effectiveness of caches, the user agent SHOULD
+   continually indicate this state to the user (for example, by a
+   display of a picture of currency in flames) so that the user does not
+   inadvertently consume excess resources or suffer from excessive
+   latency.
+
+13.1.5 Exceptions to the Rules and Warnings
+
+   In some cases, the operator of a cache MAY choose to configure it to
+   return stale responses even when not requested by clients. This
+   decision ought not be made lightly, but may be necessary for reasons
+   of availability or performance, especially when the cache is poorly
+   connected to the origin server. Whenever a cache returns a stale
+   response, it MUST mark it as such (using a Warning header) enabling
+   the client software to alert the user that there might be a potential
+   problem.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 78]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   It also allows the user agent to take steps to obtain a first-hand or
+   fresh response. For this reason, a cache SHOULD NOT return a stale
+   response if the client explicitly requests a first-hand or fresh one,
+   unless it is impossible to comply for technical or policy reasons.
+
+13.1.6 Client-controlled Behavior
+
+   While the origin server (and to a lesser extent, intermediate caches,
+   by their contribution to the age of a response) are the primary
+   source of expiration information, in some cases the client might need
+   to control a cache's decision about whether to return a cached
+   response without validating it. Clients do this using several
+   directives of the Cache-Control header.
+
+   A client's request MAY specify the maximum age it is willing to
+   accept of an unvalidated response; specifying a value of zero forces
+   the cache(s) to revalidate all responses. A client MAY also specify
+   the minimum time remaining before a response expires. Both of these
+   options increase constraints on the behavior of caches, and so cannot
+   further relax the cache's approximation of semantic transparency.
+
+   A client MAY also specify that it will accept stale responses, up to
+   some maximum amount of staleness. This loosens the constraints on the
+   caches, and so might violate the origin server's specified
+   constraints on semantic transparency, but might be necessary to
+   support disconnected operation, or high availability in the face of
+   poor connectivity.
+
+13.2 Expiration Model
+
+13.2.1 Server-Specified Expiration
+
+   HTTP caching works best when caches can entirely avoid making
+   requests to the origin server. The primary mechanism for avoiding
+   requests is for an origin server to provide an explicit expiration
+   time in the future, indicating that a response MAY be used to satisfy
+   subsequent requests. In other words, a cache can return a fresh
+   response without first contacting the server.
+
+   Our expectation is that servers will assign future explicit
+   expiration times to responses in the belief that the entity is not
+   likely to change, in a semantically significant way, before the
+   expiration time is reached. This normally preserves semantic
+   transparency, as long as the server's expiration times are carefully
+   chosen.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 79]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The expiration mechanism applies only to responses taken from a cache
+   and not to first-hand responses forwarded immediately to the
+   requesting client.
+
+   If an origin server wishes to force a semantically transparent cache
+   to validate every request, it MAY assign an explicit expiration time
+   in the past. This means that the response is always stale, and so the
+   cache SHOULD validate it before using it for subsequent requests. See
+   section 14.9.4 for a more restrictive way to force revalidation.
+
+   If an origin server wishes to force any HTTP/1.1 cache, no matter how
+   it is configured, to validate every request, it SHOULD use the "must-
+   revalidate" cache-control directive (see section 14.9).
+
+   Servers specify explicit expiration times using either the Expires
+   header, or the max-age directive of the Cache-Control header.
+
+   An expiration time cannot be used to force a user agent to refresh
+   its display or reload a resource; its semantics apply only to caching
+   mechanisms, and such mechanisms need only check a resource's
+   expiration status when a new request for that resource is initiated.
+   See section 13.13 for an explanation of the difference between caches
+   and history mechanisms.
+
+13.2.2 Heuristic Expiration
+
+   Since origin servers do not always provide explicit expiration times,
+   HTTP caches typically assign heuristic expiration times, employing
+   algorithms that use other header values (such as the Last-Modified
+   time) to estimate a plausible expiration time. The HTTP/1.1
+   specification does not provide specific algorithms, but does impose
+   worst-case constraints on their results. Since heuristic expiration
+   times might compromise semantic transparency, they ought to used
+   cautiously, and we encourage origin servers to provide explicit
+   expiration times as much as possible.
+
+13.2.3 Age Calculations
+
+   In order to know if a cached entry is fresh, a cache needs to know if
+   its age exceeds its freshness lifetime. We discuss how to calculate
+   the latter in section 13.2.4; this section describes how to calculate
+   the age of a response or cache entry.
+
+   In this discussion, we use the term "now" to mean "the current value
+   of the clock at the host performing the calculation." Hosts that use
+   HTTP, but especially hosts running origin servers and caches, SHOULD
+   use NTP [28] or some similar protocol to synchronize their clocks to
+   a globally accurate time standard.
+
+
+
+Fielding, et al.            Standards Track                    [Page 80]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   HTTP/1.1 requires origin servers to send a Date header, if possible,
+   with every response, giving the time at which the response was
+   generated (see section 14.18). We use the term "date_value" to denote
+   the value of the Date header, in a form appropriate for arithmetic
+   operations.
+
+   HTTP/1.1 uses the Age response-header to convey the estimated age of
+   the response message when obtained from a cache. The Age field value
+   is the cache's estimate of the amount of time since the response was
+   generated or revalidated by the origin server.
+
+   In essence, the Age value is the sum of the time that the response
+   has been resident in each of the caches along the path from the
+   origin server, plus the amount of time it has been in transit along
+   network paths.
+
+   We use the term "age_value" to denote the value of the Age header, in
+   a form appropriate for arithmetic operations.
+
+   A response's age can be calculated in two entirely independent ways:
+
+      1. now minus date_value, if the local clock is reasonably well
+         synchronized to the origin server's clock. If the result is
+         negative, the result is replaced by zero.
+
+      2. age_value, if all of the caches along the response path
+         implement HTTP/1.1.
+
+   Given that we have two independent ways to compute the age of a
+   response when it is received, we can combine these as
+
+       corrected_received_age = max(now - date_value, age_value)
+
+   and as long as we have either nearly synchronized clocks or all-
+   HTTP/1.1 paths, one gets a reliable (conservative) result.
+
+   Because of network-imposed delays, some significant interval might
+   pass between the time that a server generates a response and the time
+   it is received at the next outbound cache or client. If uncorrected,
+   this delay could result in improperly low ages.
+
+   Because the request that resulted in the returned Age value must have
+   been initiated prior to that Age value's generation, we can correct
+   for delays imposed by the network by recording the time at which the
+   request was initiated. Then, when an Age value is received, it MUST
+   be interpreted relative to the time the request was initiated, not
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 81]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   the time that the response was received. This algorithm results in
+   conservative behavior no matter how much delay is experienced. So, we
+   compute:
+
+      corrected_initial_age = corrected_received_age
+                            + (now - request_time)
+
+   where "request_time" is the time (according to the local clock) when
+   the request that elicited this response was sent.
+
+   Summary of age calculation algorithm, when a cache receives a
+   response:
+
+      /*
+       * age_value
+       *      is the value of Age: header received by the cache with
+       *              this response.
+       * date_value
+       *      is the value of the origin server's Date: header
+       * request_time
+       *      is the (local) time when the cache made the request
+       *              that resulted in this cached response
+       * response_time
+       *      is the (local) time when the cache received the
+       *              response
+       * now
+       *      is the current (local) time
+       */
+
+      apparent_age = max(0, response_time - date_value);
+      corrected_received_age = max(apparent_age, age_value);
+      response_delay = response_time - request_time;
+      corrected_initial_age = corrected_received_age + response_delay;
+      resident_time = now - response_time;
+      current_age   = corrected_initial_age + resident_time;
+
+   The current_age of a cache entry is calculated by adding the amount
+   of time (in seconds) since the cache entry was last validated by the
+   origin server to the corrected_initial_age. When a response is
+   generated from a cache entry, the cache MUST include a single Age
+   header field in the response with a value equal to the cache entry's
+   current_age.
+
+   The presence of an Age header field in a response implies that a
+   response is not first-hand. However, the converse is not true, since
+   the lack of an Age header field in a response does not imply that the
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 82]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   response is first-hand unless all caches along the request path are
+   compliant with HTTP/1.1 (i.e., older HTTP caches did not implement
+   the Age header field).
+
+13.2.4 Expiration Calculations
+
+   In order to decide whether a response is fresh or stale, we need to
+   compare its freshness lifetime to its age. The age is calculated as
+   described in section 13.2.3; this section describes how to calculate
+   the freshness lifetime, and to determine if a response has expired.
+   In the discussion below, the values can be represented in any form
+   appropriate for arithmetic operations.
+
+   We use the term "expires_value" to denote the value of the Expires
+   header. We use the term "max_age_value" to denote an appropriate
+   value of the number of seconds carried by the "max-age" directive of
+   the Cache-Control header in a response (see section 14.9.3).
+
+   The max-age directive takes priority over Expires, so if max-age is
+   present in a response, the calculation is simply:
+
+      freshness_lifetime = max_age_value
+
+   Otherwise, if Expires is present in the response, the calculation is:
+
+      freshness_lifetime = expires_value - date_value
+
+   Note that neither of these calculations is vulnerable to clock skew,
+   since all of the information comes from the origin server.
+
+   If none of Expires, Cache-Control: max-age, or Cache-Control: s-
+   maxage (see section 14.9.3) appears in the response, and the response
+   does not include other restrictions on caching, the cache MAY compute
+   a freshness lifetime using a heuristic. The cache MUST attach Warning
+   113 to any response whose age is more than 24 hours if such warning
+   has not already been added.
+
+   Also, if the response does have a Last-Modified time, the heuristic
+   expiration value SHOULD be no more than some fraction of the interval
+   since that time. A typical setting of this fraction might be 10%.
+
+   The calculation to determine if a response has expired is quite
+   simple:
+
+      response_is_fresh = (freshness_lifetime > current_age)
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 83]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+13.2.5 Disambiguating Expiration Values
+
+   Because expiration values are assigned optimistically, it is possible
+   for two caches to contain fresh values for the same resource that are
+   different.
+
+   If a client performing a retrieval receives a non-first-hand response
+   for a request that was already fresh in its own cache, and the Date
+   header in its existing cache entry is newer than the Date on the new
+   response, then the client MAY ignore the response. If so, it MAY
+   retry the request with a "Cache-Control: max-age=0" directive (see
+   section 14.9), to force a check with the origin server.
+
+   If a cache has two fresh responses for the same representation with
+   different validators, it MUST use the one with the more recent Date
+   header. This situation might arise because the cache is pooling
+   responses from other caches, or because a client has asked for a
+   reload or a revalidation of an apparently fresh cache entry.
+
+13.2.6 Disambiguating Multiple Responses
+
+   Because a client might be receiving responses via multiple paths, so
+   that some responses flow through one set of caches and other
+   responses flow through a different set of caches, a client might
+   receive responses in an order different from that in which the origin
+   server sent them. We would like the client to use the most recently
+   generated response, even if older responses are still apparently
+   fresh.
+
+   Neither the entity tag nor the expiration value can impose an
+   ordering on responses, since it is possible that a later response
+   intentionally carries an earlier expiration time. The Date values are
+   ordered to a granularity of one second.
+
+   When a client tries to revalidate a cache entry, and the response it
+   receives contains a Date header that appears to be older than the one
+   for the existing entry, then the client SHOULD repeat the request
+   unconditionally, and include
+
+       Cache-Control: max-age=0
+
+   to force any intermediate caches to validate their copies directly
+   with the origin server, or
+
+       Cache-Control: no-cache
+
+   to force any intermediate caches to obtain a new copy from the origin
+   server.
+
+
+
+Fielding, et al.            Standards Track                    [Page 84]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If the Date values are equal, then the client MAY use either response
+   (or MAY, if it is being extremely prudent, request a new response).
+   Servers MUST NOT depend on clients being able to choose
+   deterministically between responses generated during the same second,
+   if their expiration times overlap.
+
+13.3 Validation Model
+
+   When a cache has a stale entry that it would like to use as a
+   response to a client's request, it first has to check with the origin
+   server (or possibly an intermediate cache with a fresh response) to
+   see if its cached entry is still usable. We call this "validating"
+   the cache entry. Since we do not want to have to pay the overhead of
+   retransmitting the full response if the cached entry is good, and we
+   do not want to pay the overhead of an extra round trip if the cached
+   entry is invalid, the HTTP/1.1 protocol supports the use of
+   conditional methods.
+
+   The key protocol features for supporting conditional methods are
+   those concerned with "cache validators." When an origin server
+   generates a full response, it attaches some sort of validator to it,
+   which is kept with the cache entry. When a client (user agent or
+   proxy cache) makes a conditional request for a resource for which it
+   has a cache entry, it includes the associated validator in the
+   request.
+
+   The server then checks that validator against the current validator
+   for the entity, and, if they match (see section 13.3.3), it responds
+   with a special status code (usually, 304 (Not Modified)) and no
+   entity-body. Otherwise, it returns a full response (including
+   entity-body). Thus, we avoid transmitting the full response if the
+   validator matches, and we avoid an extra round trip if it does not
+   match.
+
+   In HTTP/1.1, a conditional request looks exactly the same as a normal
+   request for the same resource, except that it carries a special
+   header (which includes the validator) that implicitly turns the
+   method (usually, GET) into a conditional.
+
+   The protocol includes both positive and negative senses of cache-
+   validating conditions. That is, it is possible to request either that
+   a method be performed if and only if a validator matches or if and
+   only if no validators match.
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 85]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      Note: a response that lacks a validator may still be cached, and
+      served from cache until it expires, unless this is explicitly
+      prohibited by a cache-control directive. However, a cache cannot
+      do a conditional retrieval if it does not have a validator for the
+      entity, which means it will not be refreshable after it expires.
+
+13.3.1 Last-Modified Dates
+
+   The Last-Modified entity-header field value is often used as a cache
+   validator. In simple terms, a cache entry is considered to be valid
+   if the entity has not been modified since the Last-Modified value.
+
+13.3.2 Entity Tag Cache Validators
+
+   The ETag response-header field value, an entity tag, provides for an
+   "opaque" cache validator. This might allow more reliable validation
+   in situations where it is inconvenient to store modification dates,
+   where the one-second resolution of HTTP date values is not
+   sufficient, or where the origin server wishes to avoid certain
+   paradoxes that might arise from the use of modification dates.
+
+   Entity Tags are described in section 3.11. The headers used with
+   entity tags are described in sections 14.19, 14.24, 14.26 and 14.44.
+
+13.3.3 Weak and Strong Validators
+
+   Since both origin servers and caches will compare two validators to
+   decide if they represent the same or different entities, one normally
+   would expect that if the entity (the entity-body or any entity-
+   headers) changes in any way, then the associated validator would
+   change as well. If this is true, then we call this validator a
+   "strong validator."
+
+   However, there might be cases when a server prefers to change the
+   validator only on semantically significant changes, and not when
+   insignificant aspects of the entity change. A validator that does not
+   always change when the resource changes is a "weak validator."
+
+   Entity tags are normally "strong validators," but the protocol
+   provides a mechanism to tag an entity tag as "weak." One can think of
+   a strong validator as one that changes whenever the bits of an entity
+   changes, while a weak value changes whenever the meaning of an entity
+   changes. Alternatively, one can think of a strong validator as part
+   of an identifier for a specific entity, while a weak validator is
+   part of an identifier for a set of semantically equivalent entities.
+
+      Note: One example of a strong validator is an integer that is
+      incremented in stable storage every time an entity is changed.
+
+
+
+Fielding, et al.            Standards Track                    [Page 86]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      An entity's modification time, if represented with one-second
+      resolution, could be a weak validator, since it is possible that
+      the resource might be modified twice during a single second.
+
+      Support for weak validators is optional. However, weak validators
+      allow for more efficient caching of equivalent objects; for
+      example, a hit counter on a site is probably good enough if it is
+      updated every few days or weeks, and any value during that period
+      is likely "good enough" to be equivalent.
+
+   A "use" of a validator is either when a client generates a request
+   and includes the validator in a validating header field, or when a
+   server compares two validators.
+
+   Strong validators are usable in any context. Weak validators are only
+   usable in contexts that do not depend on exact equality of an entity.
+   For example, either kind is usable for a conditional GET of a full
+   entity. However, only a strong validator is usable for a sub-range
+   retrieval, since otherwise the client might end up with an internally
+   inconsistent entity.
+
+   Clients MAY issue simple (non-subrange) GET requests with either weak
+   validators or strong validators. Clients MUST NOT use weak validators
+   in other forms of request.
+
+   The only function that the HTTP/1.1 protocol defines on validators is
+   comparison. There are two validator comparison functions, depending
+   on whether the comparison context allows the use of weak validators
+   or not:
+
+      - The strong comparison function: in order to be considered equal,
+        both validators MUST be identical in every way, and both MUST
+        NOT be weak.
+
+      - The weak comparison function: in order to be considered equal,
+        both validators MUST be identical in every way, but either or
+        both of them MAY be tagged as "weak" without affecting the
+        result.
+
+   An entity tag is strong unless it is explicitly tagged as weak.
+   Section 3.11 gives the syntax for entity tags.
+
+   A Last-Modified time, when used as a validator in a request, is
+   implicitly weak unless it is possible to deduce that it is strong,
+   using the following rules:
+
+      - The validator is being compared by an origin server to the
+        actual current validator for the entity and,
+
+
+
+Fielding, et al.            Standards Track                    [Page 87]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      - That origin server reliably knows that the associated entity did
+        not change twice during the second covered by the presented
+        validator.
+
+   or
+
+      - The validator is about to be used by a client in an If-
+        Modified-Since or If-Unmodified-Since header, because the client
+        has a cache entry for the associated entity, and
+
+      - That cache entry includes a Date value, which gives the time
+        when the origin server sent the original response, and
+
+      - The presented Last-Modified time is at least 60 seconds before
+        the Date value.
+
+   or
+
+      - The validator is being compared by an intermediate cache to the
+        validator stored in its cache entry for the entity, and
+
+      - That cache entry includes a Date value, which gives the time
+        when the origin server sent the original response, and
+
+      - The presented Last-Modified time is at least 60 seconds before
+        the Date value.
+
+   This method relies on the fact that if two different responses were
+   sent by the origin server during the same second, but both had the
+   same Last-Modified time, then at least one of those responses would
+   have a Date value equal to its Last-Modified time. The arbitrary 60-
+   second limit guards against the possibility that the Date and Last-
+   Modified values are generated from different clocks, or at somewhat
+   different times during the preparation of the response. An
+   implementation MAY use a value larger than 60 seconds, if it is
+   believed that 60 seconds is too short.
+
+   If a client wishes to perform a sub-range retrieval on a value for
+   which it has only a Last-Modified time and no opaque validator, it
+   MAY do this only if the Last-Modified time is strong in the sense
+   described here.
+
+   A cache or origin server receiving a conditional request, other than
+   a full-body GET request, MUST use the strong comparison function to
+   evaluate the condition.
+
+   These rules allow HTTP/1.1 caches and clients to safely perform sub-
+   range retrievals on values that have been obtained from HTTP/1.0
+
+
+
+Fielding, et al.            Standards Track                    [Page 88]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   servers.
+
+13.3.4 Rules for When to Use Entity Tags and Last-Modified Dates
+
+   We adopt a set of rules and recommendations for origin servers,
+   clients, and caches regarding when various validator types ought to
+   be used, and for what purposes.
+
+   HTTP/1.1 origin servers:
+
+      - SHOULD send an entity tag validator unless it is not feasible to
+        generate one.
+
+      - MAY send a weak entity tag instead of a strong entity tag, if
+        performance considerations support the use of weak entity tags,
+        or if it is unfeasible to send a strong entity tag.
+
+      - SHOULD send a Last-Modified value if it is feasible to send one,
+        unless the risk of a breakdown in semantic transparency that
+        could result from using this date in an If-Modified-Since header
+        would lead to serious problems.
+
+   In other words, the preferred behavior for an HTTP/1.1 origin server
+   is to send both a strong entity tag and a Last-Modified value.
+
+   In order to be legal, a strong entity tag MUST change whenever the
+   associated entity value changes in any way. A weak entity tag SHOULD
+   change whenever the associated entity changes in a semantically
+   significant way.
+
+      Note: in order to provide semantically transparent caching, an
+      origin server must avoid reusing a specific strong entity tag
+      value for two different entities, or reusing a specific weak
+      entity tag value for two semantically different entities. Cache
+      entries might persist for arbitrarily long periods, regardless of
+      expiration times, so it might be inappropriate to expect that a
+      cache will never again attempt to validate an entry using a
+      validator that it obtained at some point in the past.
+
+   HTTP/1.1 clients:
+
+      - If an entity tag has been provided by the origin server, MUST
+        use that entity tag in any cache-conditional request (using If-
+        Match or If-None-Match).
+
+      - If only a Last-Modified value has been provided by the origin
+        server, SHOULD use that value in non-subrange cache-conditional
+        requests (using If-Modified-Since).
+
+
+
+Fielding, et al.            Standards Track                    [Page 89]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      - If only a Last-Modified value has been provided by an HTTP/1.0
+        origin server, MAY use that value in subrange cache-conditional
+        requests (using If-Unmodified-Since:). The user agent SHOULD
+        provide a way to disable this, in case of difficulty.
+
+      - If both an entity tag and a Last-Modified value have been
+        provided by the origin server, SHOULD use both validators in
+        cache-conditional requests. This allows both HTTP/1.0 and
+        HTTP/1.1 caches to respond appropriately.
+
+   An HTTP/1.1 origin server, upon receiving a conditional request that
+   includes both a Last-Modified date (e.g., in an If-Modified-Since or
+   If-Unmodified-Since header field) and one or more entity tags (e.g.,
+   in an If-Match, If-None-Match, or If-Range header field) as cache
+   validators, MUST NOT return a response status of 304 (Not Modified)
+   unless doing so is consistent with all of the conditional header
+   fields in the request.
+
+   An HTTP/1.1 caching proxy, upon receiving a conditional request that
+   includes both a Last-Modified date and one or more entity tags as
+   cache validators, MUST NOT return a locally cached response to the
+   client unless that cached response is consistent with all of the
+   conditional header fields in the request.
+
+      Note: The general principle behind these rules is that HTTP/1.1
+      servers and clients should transmit as much non-redundant
+      information as is available in their responses and requests.
+      HTTP/1.1 systems receiving this information will make the most
+      conservative assumptions about the validators they receive.
+
+      HTTP/1.0 clients and caches will ignore entity tags. Generally,
+      last-modified values received or used by these systems will
+      support transparent and efficient caching, and so HTTP/1.1 origin
+      servers should provide Last-Modified values. In those rare cases
+      where the use of a Last-Modified value as a validator by an
+      HTTP/1.0 system could result in a serious problem, then HTTP/1.1
+      origin servers should not provide one.
+
+13.3.5 Non-validating Conditionals
+
+   The principle behind entity tags is that only the service author
+   knows the semantics of a resource well enough to select an
+   appropriate cache validation mechanism, and the specification of any
+   validator comparison function more complex than byte-equality would
+   open up a can of worms. Thus, comparisons of any other headers
+   (except Last-Modified, for compatibility with HTTP/1.0) are never
+   used for purposes of validating a cache entry.
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 90]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+13.4 Response Cacheability
+
+   Unless specifically constrained by a cache-control (section 14.9)
+   directive, a caching system MAY always store a successful response
+   (see section 13.8) as a cache entry, MAY return it without validation
+   if it is fresh, and MAY return it after successful validation. If
+   there is neither a cache validator nor an explicit expiration time
+   associated with a response, we do not expect it to be cached, but
+   certain caches MAY violate this expectation (for example, when little
+   or no network connectivity is available). A client can usually detect
+   that such a response was taken from a cache by comparing the Date
+   header to the current time.
+
+      Note: some HTTP/1.0 caches are known to violate this expectation
+      without providing any Warning.
+
+   However, in some cases it might be inappropriate for a cache to
+   retain an entity, or to return it in response to a subsequent
+   request. This might be because absolute semantic transparency is
+   deemed necessary by the service author, or because of security or
+   privacy considerations. Certain cache-control directives are
+   therefore provided so that the server can indicate that certain
+   resource entities, or portions thereof, are not to be cached
+   regardless of other considerations.
+
+   Note that section 14.8 normally prevents a shared cache from saving
+   and returning a response to a previous request if that request
+   included an Authorization header.
+
+   A response received with a status code of 200, 203, 206, 300, 301 or
+   410 MAY be stored by a cache and used in reply to a subsequent
+   request, subject to the expiration mechanism, unless a cache-control
+   directive prohibits caching. However, a cache that does not support
+   the Range and Content-Range headers MUST NOT cache 206 (Partial
+   Content) responses.
+
+   A response received with any other status code (e.g. status codes 302
+   and 307) MUST NOT be returned in a reply to a subsequent request
+   unless there are cache-control directives or another header(s) that
+   explicitly allow it. For example, these include the following: an
+   Expires header (section 14.21); a "max-age", "s-maxage",  "must-
+   revalidate", "proxy-revalidate", "public" or "private" cache-control
+   directive (section 14.9).
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 91]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+13.5 Constructing Responses From Caches
+
+   The purpose of an HTTP cache is to store information received in
+   response to requests for use in responding to future requests. In
+   many cases, a cache simply returns the appropriate parts of a
+   response to the requester. However, if the cache holds a cache entry
+   based on a previous response, it might have to combine parts of a new
+   response with what is held in the cache entry.
+
+13.5.1 End-to-end and Hop-by-hop Headers
+
+   For the purpose of defining the behavior of caches and non-caching
+   proxies, we divide HTTP headers into two categories:
+
+      - End-to-end headers, which are  transmitted to the ultimate
+        recipient of a request or response. End-to-end headers in
+        responses MUST be stored as part of a cache entry and MUST be
+        transmitted in any response formed from a cache entry.
+
+      - Hop-by-hop headers, which are meaningful only for a single
+        transport-level connection, and are not stored by caches or
+        forwarded by proxies.
+
+   The following HTTP/1.1 headers are hop-by-hop headers:
+
+      - Connection
+      - Keep-Alive
+      - Proxy-Authenticate
+      - Proxy-Authorization
+      - TE
+      - Trailers
+      - Transfer-Encoding
+      - Upgrade
+
+   All other headers defined by HTTP/1.1 are end-to-end headers.
+
+   Other hop-by-hop headers MUST be listed in a Connection header,
+   (section 14.10) to be introduced into HTTP/1.1 (or later).
+
+13.5.2 Non-modifiable Headers
+
+   Some features of the HTTP/1.1 protocol, such as Digest
+   Authentication, depend on the value of certain end-to-end headers. A
+   transparent proxy SHOULD NOT modify an end-to-end header unless the
+   definition of that header requires or specifically allows that.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 92]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   A transparent proxy MUST NOT modify any of the following fields in a
+   request or response, and it MUST NOT add any of these fields if not
+   already present:
+
+      - Content-Location
+
+      - Content-MD5
+
+      - ETag
+
+      - Last-Modified
+
+   A transparent proxy MUST NOT modify any of the following fields in a
+   response:
+
+      - Expires
+
+   but it MAY add any of these fields if not already present. If an
+   Expires header is added, it MUST be given a field-value identical to
+   that of the Date header in that response.
+
+   A  proxy MUST NOT modify or add any of the following fields in a
+   message that contains the no-transform cache-control directive, or in
+   any request:
+
+      - Content-Encoding
+
+      - Content-Range
+
+      - Content-Type
+
+   A non-transparent proxy MAY modify or add these fields to a message
+   that does not include no-transform, but if it does so, it MUST add a
+   Warning 214 (Transformation applied) if one does not already appear
+   in the message (see section 14.46).
+
+      Warning: unnecessary modification of end-to-end headers might
+      cause authentication failures if stronger authentication
+      mechanisms are introduced in later versions of HTTP. Such
+      authentication mechanisms MAY rely on the values of header fields
+      not listed here.
+
+   The Content-Length field of a request or response is added or deleted
+   according to the rules in section 4.4. A transparent proxy MUST
+   preserve the entity-length (section 7.2.2) of the entity-body,
+   although it MAY change the transfer-length (section 4.4).
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 93]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+13.5.3 Combining Headers
+
+   When a cache makes a validating request to a server, and the server
+   provides a 304 (Not Modified) response or a 206 (Partial Content)
+   response, the cache then constructs a response to send to the
+   requesting client.
+
+   If the status code is 304 (Not Modified), the cache uses the entity-
+   body stored in the cache entry as the entity-body of this outgoing
+   response. If the status code is 206 (Partial Content) and the ETag or
+   Last-Modified headers match exactly, the cache MAY combine the
+   contents stored in the cache entry with the new contents received in
+   the response and use the result as the entity-body of this outgoing
+   response, (see 13.5.4).
+
+   The end-to-end headers stored in the cache entry are used for the
+   constructed response, except that
+
+      - any stored Warning headers with warn-code 1xx (see section
+        14.46) MUST be deleted from the cache entry and the forwarded
+        response.
+
+      - any stored Warning headers with warn-code 2xx MUST be retained
+        in the cache entry and the forwarded response.
+
+      - any end-to-end headers provided in the 304 or 206 response MUST
+        replace the corresponding headers from the cache entry.
+
+   Unless the cache decides to remove the cache entry, it MUST also
+   replace the end-to-end headers stored with the cache entry with
+   corresponding headers received in the incoming response, except for
+   Warning headers as described immediately above. If a header field-
+   name in the incoming response matches more than one header in the
+   cache entry, all such old headers MUST be replaced.
+
+   In other words, the set of end-to-end headers received in the
+   incoming response overrides all corresponding end-to-end headers
+   stored with the cache entry (except for stored Warning headers with
+   warn-code 1xx, which are deleted even if not overridden).
+
+      Note: this rule allows an origin server to use a 304 (Not
+      Modified) or a 206 (Partial Content) response to update any header
+      associated with a previous response for the same entity or sub-
+      ranges thereof, although it might not always be meaningful or
+      correct to do so. This rule does not allow an origin server to use
+      a 304 (Not Modified) or a 206 (Partial Content) response to
+      entirely delete a header that it had provided with a previous
+      response.
+
+
+
+Fielding, et al.            Standards Track                    [Page 94]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+13.5.4 Combining Byte Ranges
+
+   A response might transfer only a subrange of the bytes of an entity-
+   body, either because the request included one or more Range
+   specifications, or because a connection was broken prematurely. After
+   several such transfers, a cache might have received several ranges of
+   the same entity-body.
+
+   If a cache has a stored non-empty set of subranges for an entity, and
+   an incoming response transfers another subrange, the cache MAY
+   combine the new subrange with the existing set if both the following
+   conditions are met:
+
+      - Both the incoming response and the cache entry have a cache
+        validator.
+
+      - The two cache validators match using the strong comparison
+        function (see section 13.3.3).
+
+   If either requirement is not met, the cache MUST use only the most
+   recent partial response (based on the Date values transmitted with
+   every response, and using the incoming response if these values are
+   equal or missing), and MUST discard the other partial information.
+
+13.6 Caching Negotiated Responses
+
+   Use of server-driven content negotiation (section 12.1), as indicated
+   by the presence of a Vary header field in a response, alters the
+   conditions and procedure by which a cache can use the response for
+   subsequent requests. See section 14.44 for use of the Vary header
+   field by servers.
+
+   A server SHOULD use the Vary header field to inform a cache of what
+   request-header fields were used to select among multiple
+   representations of a cacheable response subject to server-driven
+   negotiation. The set of header fields named by the Vary field value
+   is known as the "selecting" request-headers.
+
+   When the cache receives a subsequent request whose Request-URI
+   specifies one or more cache entries including a Vary header field,
+   the cache MUST NOT use such a cache entry to construct a response to
+   the new request unless all of the selecting request-headers present
+   in the new request match the corresponding stored request-headers in
+   the original request.
+
+   The selecting request-headers from two requests are defined to match
+   if and only if the selecting request-headers in the first request can
+   be transformed to the selecting request-headers in the second request
+
+
+
+Fielding, et al.            Standards Track                    [Page 95]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   by adding or removing linear white space (LWS) at places where this
+   is allowed by the corresponding BNF, and/or combining multiple
+   message-header fields with the same field name following the rules
+   about message headers in section 4.2.
+
+   A Vary header field-value of "*" always fails to match and subsequent
+   requests on that resource can only be properly interpreted by the
+   origin server.
+
+   If the selecting request header fields for the cached entry do not
+   match the selecting request header fields of the new request, then
+   the cache MUST NOT use a cached entry to satisfy the request unless
+   it first relays the new request to the origin server in a conditional
+   request and the server responds with 304 (Not Modified), including an
+   entity tag or Content-Location that indicates the entity to be used.
+
+   If an entity tag was assigned to a cached representation, the
+   forwarded request SHOULD be conditional and include the entity tags
+   in an If-None-Match header field from all its cache entries for the
+   resource. This conveys to the server the set of entities currently
+   held by the cache, so that if any one of these entities matches the
+   requested entity, the server can use the ETag header field in its 304
+   (Not Modified) response to tell the cache which entry is appropriate.
+   If the entity-tag of the new response matches that of an existing
+   entry, the new response SHOULD be used to update the header fields of
+   the existing entry, and the result MUST be returned to the client.
+
+   If any of the existing cache entries contains only partial content
+   for the associated entity, its entity-tag SHOULD NOT be included in
+   the If-None-Match header field unless the request is for a range that
+   would be fully satisfied by that entry.
+
+   If a cache receives a successful response whose Content-Location
+   field matches that of an existing cache entry for the same Request-
+   ]URI, whose entity-tag differs from that of the existing entry, and
+   whose Date is more recent than that of the existing entry, the
+   existing entry SHOULD NOT be returned in response to future requests
+   and SHOULD be deleted from the cache.
+
+13.7 Shared and Non-Shared Caches
+
+   For reasons of security and privacy, it is necessary to make a
+   distinction between "shared" and "non-shared" caches. A non-shared
+   cache is one that is accessible only to a single user. Accessibility
+   in this case SHOULD be enforced by appropriate security mechanisms.
+   All other caches are considered to be "shared." Other sections of
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 96]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   this specification place certain constraints on the operation of
+   shared caches in order to prevent loss of privacy or failure of
+   access controls.
+
+13.8 Errors or Incomplete Response Cache Behavior
+
+   A cache that receives an incomplete response (for example, with fewer
+   bytes of data than specified in a Content-Length header) MAY store
+   the response. However, the cache MUST treat this as a partial
+   response. Partial responses MAY be combined as described in section
+   13.5.4; the result might be a full response or might still be
+   partial. A cache MUST NOT return a partial response to a client
+   without explicitly marking it as such, using the 206 (Partial
+   Content) status code. A cache MUST NOT return a partial response
+   using a status code of 200 (OK).
+
+   If a cache receives a 5xx response while attempting to revalidate an
+   entry, it MAY either forward this response to the requesting client,
+   or act as if the server failed to respond. In the latter case, it MAY
+   return a previously received response unless the cached entry
+   includes the "must-revalidate" cache-control directive (see section
+   14.9).
+
+13.9 Side Effects of GET and HEAD
+
+   Unless the origin server explicitly prohibits the caching of their
+   responses, the application of GET and HEAD methods to any resources
+   SHOULD NOT have side effects that would lead to erroneous behavior if
+   these responses are taken from a cache. They MAY still have side
+   effects, but a cache is not required to consider such side effects in
+   its caching decisions. Caches are always expected to observe an
+   origin server's explicit restrictions on caching.
+
+   We note one exception to this rule: since some applications have
+   traditionally used GETs and HEADs with query URLs (those containing a
+   "?" in the rel_path part) to perform operations with significant side
+   effects, caches MUST NOT treat responses to such URIs as fresh unless
+   the server provides an explicit expiration time. This specifically
+   means that responses from HTTP/1.0 servers for such URIs SHOULD NOT
+   be taken from a cache. See section 9.1.1 for related information.
+
+13.10 Invalidation After Updates or Deletions
+
+   The effect of certain methods performed on a resource at the origin
+   server might cause one or more existing cache entries to become non-
+   transparently invalid. That is, although they might continue to be
+   "fresh," they do not accurately reflect what the origin server would
+   return for a new request on that resource.
+
+
+
+Fielding, et al.            Standards Track                    [Page 97]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   There is no way for the HTTP protocol to guarantee that all such
+   cache entries are marked invalid. For example, the request that
+   caused the change at the origin server might not have gone through
+   the proxy where a cache entry is stored. However, several rules help
+   reduce the likelihood of erroneous behavior.
+
+   In this section, the phrase "invalidate an entity" means that the
+   cache will either remove all instances of that entity from its
+   storage, or will mark these as "invalid" and in need of a mandatory
+   revalidation before they can be returned in response to a subsequent
+   request.
+
+   Some HTTP methods MUST cause a cache to invalidate an entity. This is
+   either the entity referred to by the Request-URI, or by the Location
+   or Content-Location headers (if present). These methods are:
+
+      - PUT
+
+      - DELETE
+
+      - POST
+
+   In order to prevent denial of service attacks, an invalidation based
+   on the URI in a Location or Content-Location header MUST only be
+   performed if the host part is the same as in the Request-URI.
+
+   A cache that passes through requests for methods it does not
+   understand SHOULD invalidate any entities referred to by the
+   Request-URI.
+
+13.11 Write-Through Mandatory
+
+   All methods that might be expected to cause modifications to the
+   origin server's resources MUST be written through to the origin
+   server. This currently includes all methods except for GET and HEAD.
+   A cache MUST NOT reply to such a request from a client before having
+   transmitted the request to the inbound server, and having received a
+   corresponding response from the inbound server. This does not prevent
+   a proxy cache from sending a 100 (Continue) response before the
+   inbound server has sent its final reply.
+
+   The alternative (known as "write-back" or "copy-back" caching) is not
+   allowed in HTTP/1.1, due to the difficulty of providing consistent
+   updates and the problems arising from server, cache, or network
+   failure prior to write-back.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 98]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+13.12 Cache Replacement
+
+   If a new cacheable (see sections 14.9.2, 13.2.5, 13.2.6 and 13.8)
+   response is received from a resource while any existing responses for
+   the same resource are cached, the cache SHOULD use the new response
+   to reply to the current request. It MAY insert it into cache storage
+   and MAY, if it meets all other requirements, use it to respond to any
+   future requests that would previously have caused the old response to
+   be returned. If it inserts the new response into cache storage  the
+   rules in section 13.5.3 apply.
+
+      Note: a new response that has an older Date header value than
+      existing cached responses is not cacheable.
+
+13.13 History Lists
+
+   User agents often have history mechanisms, such as "Back" buttons and
+   history lists, which can be used to redisplay an entity retrieved
+   earlier in a session.
+
+   History mechanisms and caches are different. In particular history
+   mechanisms SHOULD NOT try to show a semantically transparent view of
+   the current state of a resource. Rather, a history mechanism is meant
+   to show exactly what the user saw at the time when the resource was
+   retrieved.
+
+   By default, an expiration time does not apply to history mechanisms.
+   If the entity is still in storage, a history mechanism SHOULD display
+   it even if the entity has expired, unless the user has specifically
+   configured the agent to refresh expired history documents.
+
+   This is not to be construed to prohibit the history mechanism from
+   telling the user that a view might be stale.
+
+      Note: if history list mechanisms unnecessarily prevent users from
+      viewing stale resources, this will tend to force service authors
+      to avoid using HTTP expiration controls and cache controls when
+      they would otherwise like to. Service authors may consider it
+      important that users not be presented with error messages or
+      warning messages when they use navigation controls (such as BACK)
+      to view previously fetched resources. Even though sometimes such
+      resources ought not to cached, or ought to expire quickly, user
+      interface considerations may force service authors to resort to
+      other means of preventing caching (e.g. "once-only" URLs) in order
+      not to suffer the effects of improperly functioning history
+      mechanisms.
+
+
+
+
+
+Fielding, et al.            Standards Track                    [Page 99]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14 Header Field Definitions
+
+   This section defines the syntax and semantics of all standard
+   HTTP/1.1 header fields. For entity-header fields, both sender and
+   recipient refer to either the client or the server, depending on who
+   sends and who receives the entity.
+
+14.1 Accept
+
+   The Accept request-header field can be used to specify certain media
+   types which are acceptable for the response. Accept headers can be
+   used to indicate that the request is specifically limited to a small
+   set of desired types, as in the case of a request for an in-line
+   image.
+
+       Accept         = "Accept" ":"
+                        #( media-range [ accept-params ] )
+
+       media-range    = ( "*/*"
+                        | ( type "/" "*" )
+                        | ( type "/" subtype )
+                        ) *( ";" parameter )
+       accept-params  = ";" "q" "=" qvalue *( accept-extension )
+       accept-extension = ";" token [ "=" ( token | quoted-string ) ]
+
+   The asterisk "*" character is used to group media types into ranges,
+   with "*/*" indicating all media types and "type/*" indicating all
+   subtypes of that type. The media-range MAY include media type
+   parameters that are applicable to that range.
+
+   Each media-range MAY be followed by one or more accept-params,
+   beginning with the "q" parameter for indicating a relative quality
+   factor. The first "q" parameter (if any) separates the media-range
+   parameter(s) from the accept-params. Quality factors allow the user
+   or user agent to indicate the relative degree of preference for that
+   media-range, using the qvalue scale from 0 to 1 (section 3.9). The
+   default value is q=1.
+
+      Note: Use of the "q" parameter name to separate media type
+      parameters from Accept extension parameters is due to historical
+      practice. Although this prevents any media type parameter named
+      "q" from being used with a media range, such an event is believed
+      to be unlikely given the lack of any "q" parameters in the IANA
+      media type registry and the rare usage of any media type
+      parameters in Accept. Future media types are discouraged from
+      registering any parameter named "q".
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 100]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The example
+
+       Accept: audio/*; q=0.2, audio/basic
+
+   SHOULD be interpreted as "I prefer audio/basic, but send me any audio
+   type if it is the best available after an 80% mark-down in quality."
+
+   If no Accept header field is present, then it is assumed that the
+   client accepts all media types. If an Accept header field is present,
+   and if the server cannot send a response which is acceptable
+   according to the combined Accept field value, then the server SHOULD
+   send a 406 (not acceptable) response.
+
+   A more elaborate example is
+
+       Accept: text/plain; q=0.5, text/html,
+               text/x-dvi; q=0.8, text/x-c
+
+   Verbally, this would be interpreted as "text/html and text/x-c are
+   the preferred media types, but if they do not exist, then send the
+   text/x-dvi entity, and if that does not exist, send the text/plain
+   entity."
+
+   Media ranges can be overridden by more specific media ranges or
+   specific media types. If more than one media range applies to a given
+   type, the most specific reference has precedence. For example,
+
+       Accept: text/*, text/html, text/html;level=1, */*
+
+   have the following precedence:
+
+       1) text/html;level=1
+       2) text/html
+       3) text/*
+       4) */*
+
+   The media type quality factor associated with a given type is
+   determined by finding the media range with the highest precedence
+   which matches that type. For example,
+
+       Accept: text/*;q=0.3, text/html;q=0.7, text/html;level=1,
+               text/html;level=2;q=0.4, */*;q=0.5
+
+   would cause the following values to be associated:
+
+       text/html;level=1         = 1
+       text/html                 = 0.7
+       text/plain                = 0.3
+
+
+
+Fielding, et al.            Standards Track                   [Page 101]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+       image/jpeg                = 0.5
+       text/html;level=2         = 0.4
+       text/html;level=3         = 0.7
+
+      Note: A user agent might be provided with a default set of quality
+      values for certain media ranges. However, unless the user agent is
+      a closed system which cannot interact with other rendering agents,
+      this default set ought to be configurable by the user.
+
+14.2 Accept-Charset
+
+   The Accept-Charset request-header field can be used to indicate what
+   character sets are acceptable for the response. This field allows
+   clients capable of understanding more comprehensive or special-
+   purpose character sets to signal that capability to a server which is
+   capable of representing documents in those character sets.
+
+      Accept-Charset = "Accept-Charset" ":"
+              1#( ( charset | "*" )[ ";" "q" "=" qvalue ] )
+
+
+   Character set values are described in section 3.4. Each charset MAY
+   be given an associated quality value which represents the user's
+   preference for that charset. The default value is q=1. An example is
+
+      Accept-Charset: iso-8859-5, unicode-1-1;q=0.8
+
+   The special value "*", if present in the Accept-Charset field,
+   matches every character set (including ISO-8859-1) which is not
+   mentioned elsewhere in the Accept-Charset field. If no "*" is present
+   in an Accept-Charset field, then all character sets not explicitly
+   mentioned get a quality value of 0, except for ISO-8859-1, which gets
+   a quality value of 1 if not explicitly mentioned.
+
+   If no Accept-Charset header is present, the default is that any
+   character set is acceptable. If an Accept-Charset header is present,
+   and if the server cannot send a response which is acceptable
+   according to the Accept-Charset header, then the server SHOULD send
+   an error response with the 406 (not acceptable) status code, though
+   the sending of an unacceptable response is also allowed.
+
+14.3 Accept-Encoding
+
+   The Accept-Encoding request-header field is similar to Accept, but
+   restricts the content-codings (section 3.5) that are acceptable in
+   the response.
+
+       Accept-Encoding  = "Accept-Encoding" ":"
+
+
+
+Fielding, et al.            Standards Track                   [Page 102]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+                          1#( codings [ ";" "q" "=" qvalue ] )
+       codings          = ( content-coding | "*" )
+
+   Examples of its use are:
+
+       Accept-Encoding: compress, gzip
+       Accept-Encoding:
+       Accept-Encoding: *
+       Accept-Encoding: compress;q=0.5, gzip;q=1.0
+       Accept-Encoding: gzip;q=1.0, identity; q=0.5, *;q=0
+
+   A server tests whether a content-coding is acceptable, according to
+   an Accept-Encoding field, using these rules:
+
+      1. If the content-coding is one of the content-codings listed in
+         the Accept-Encoding field, then it is acceptable, unless it is
+         accompanied by a qvalue of 0. (As defined in section 3.9, a
+         qvalue of 0 means "not acceptable.")
+
+      2. The special "*" symbol in an Accept-Encoding field matches any
+         available content-coding not explicitly listed in the header
+         field.
+
+      3. If multiple content-codings are acceptable, then the acceptable
+         content-coding with the highest non-zero qvalue is preferred.
+
+      4. The "identity" content-coding is always acceptable, unless
+         specifically refused because the Accept-Encoding field includes
+         "identity;q=0", or because the field includes "*;q=0" and does
+         not explicitly include the "identity" content-coding. If the
+         Accept-Encoding field-value is empty, then only the "identity"
+         encoding is acceptable.
+
+   If an Accept-Encoding field is present in a request, and if the
+   server cannot send a response which is acceptable according to the
+   Accept-Encoding header, then the server SHOULD send an error response
+   with the 406 (Not Acceptable) status code.
+
+   If no Accept-Encoding field is present in a request, the server MAY
+   assume that the client will accept any content coding. In this case,
+   if "identity" is one of the available content-codings, then the
+   server SHOULD use the "identity" content-coding, unless it has
+   additional information that a different content-coding is meaningful
+   to the client.
+
+      Note: If the request does not include an Accept-Encoding field,
+      and if the "identity" content-coding is unavailable, then
+      content-codings commonly understood by HTTP/1.0 clients (i.e.,
+
+
+
+Fielding, et al.            Standards Track                   [Page 103]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      "gzip" and "compress") are preferred; some older clients
+      improperly display messages sent with other content-codings.  The
+      server might also make this decision based on information about
+      the particular user-agent or client.
+
+      Note: Most HTTP/1.0 applications do not recognize or obey qvalues
+      associated with content-codings. This means that qvalues will not
+      work and are not permitted with x-gzip or x-compress.
+
+14.4 Accept-Language
+
+   The Accept-Language request-header field is similar to Accept, but
+   restricts the set of natural languages that are preferred as a
+   response to the request. Language tags are defined in section 3.10.
+
+       Accept-Language = "Accept-Language" ":"
+                         1#( language-range [ ";" "q" "=" qvalue ] )
+       language-range  = ( ( 1*8ALPHA *( "-" 1*8ALPHA ) ) | "*" )
+
+   Each language-range MAY be given an associated quality value which
+   represents an estimate of the user's preference for the languages
+   specified by that range. The quality value defaults to "q=1". For
+   example,
+
+       Accept-Language: da, en-gb;q=0.8, en;q=0.7
+
+   would mean: "I prefer Danish, but will accept British English and
+   other types of English." A language-range matches a language-tag if
+   it exactly equals the tag, or if it exactly equals a prefix of the
+   tag such that the first tag character following the prefix is "-".
+   The special range "*", if present in the Accept-Language field,
+   matches every tag not matched by any other range present in the
+   Accept-Language field.
+
+      Note: This use of a prefix matching rule does not imply that
+      language tags are assigned to languages in such a way that it is
+      always true that if a user understands a language with a certain
+      tag, then this user will also understand all languages with tags
+      for which this tag is a prefix. The prefix rule simply allows the
+      use of prefix tags if this is the case.
+
+   The language quality factor assigned to a language-tag by the
+   Accept-Language field is the quality value of the longest language-
+   range in the field that matches the language-tag. If no language-
+   range in the field matches the tag, the language quality factor
+   assigned is 0. If no Accept-Language header is present in the
+   request, the server
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 104]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   SHOULD assume that all languages are equally acceptable. If an
+   Accept-Language header is present, then all languages which are
+   assigned a quality factor greater than 0 are acceptable.
+
+   It might be contrary to the privacy expectations of the user to send
+   an Accept-Language header with the complete linguistic preferences of
+   the user in every request. For a discussion of this issue, see
+   section 15.1.4.
+
+   As intelligibility is highly dependent on the individual user, it is
+   recommended that client applications make the choice of linguistic
+   preference available to the user. If the choice is not made
+   available, then the Accept-Language header field MUST NOT be given in
+   the request.
+
+      Note: When making the choice of linguistic preference available to
+      the user, we remind implementors of  the fact that users are not
+      familiar with the details of language matching as described above,
+      and should provide appropriate guidance. As an example, users
+      might assume that on selecting "en-gb", they will be served any
+      kind of English document if British English is not available. A
+      user agent might suggest in such a case to add "en" to get the
+      best matching behavior.
+
+14.5 Accept-Ranges
+
+      The Accept-Ranges response-header field allows the server to
+      indicate its acceptance of range requests for a resource:
+
+          Accept-Ranges     = "Accept-Ranges" ":" acceptable-ranges
+          acceptable-ranges = 1#range-unit | "none"
+
+      Origin servers that accept byte-range requests MAY send
+
+          Accept-Ranges: bytes
+
+      but are not required to do so. Clients MAY generate byte-range
+      requests without having received this header for the resource
+      involved. Range units are defined in section 3.12.
+
+      Servers that do not accept any kind of range request for a
+      resource MAY send
+
+          Accept-Ranges: none
+
+      to advise the client not to attempt a range request.
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 105]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.6 Age
+
+      The Age response-header field conveys the sender's estimate of the
+      amount of time since the response (or its revalidation) was
+      generated at the origin server. A cached response is "fresh" if
+      its age does not exceed its freshness lifetime. Age values are
+      calculated as specified in section 13.2.3.
+
+           Age = "Age" ":" age-value
+           age-value = delta-seconds
+
+      Age values are non-negative decimal integers, representing time in
+      seconds.
+
+      If a cache receives a value larger than the largest positive
+      integer it can represent, or if any of its age calculations
+      overflows, it MUST transmit an Age header with a value of
+      2147483648 (2^31). An HTTP/1.1 server that includes a cache MUST
+      include an Age header field in every response generated from its
+      own cache. Caches SHOULD use an arithmetic type of at least 31
+      bits of range.
+
+14.7 Allow
+
+      The Allow entity-header field lists the set of methods supported
+      by the resource identified by the Request-URI. The purpose of this
+      field is strictly to inform the recipient of valid methods
+      associated with the resource. An Allow header field MUST be
+      present in a 405 (Method Not Allowed) response.
+
+          Allow   = "Allow" ":" #Method
+
+      Example of use:
+
+          Allow: GET, HEAD, PUT
+
+      This field cannot prevent a client from trying other methods.
+      However, the indications given by the Allow header field value
+      SHOULD be followed. The actual set of allowed methods is defined
+      by the origin server at the time of each request.
+
+      The Allow header field MAY be provided with a PUT request to
+      recommend the methods to be supported by the new or modified
+      resource. The server is not required to support these methods and
+      SHOULD include an Allow header in the response giving the actual
+      supported methods.
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 106]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      A proxy MUST NOT modify the Allow header field even if it does not
+      understand all the methods specified, since the user agent might
+      have other means of communicating with the origin server.
+
+14.8 Authorization
+
+      A user agent that wishes to authenticate itself with a server--
+      usually, but not necessarily, after receiving a 401 response--does
+      so by including an Authorization request-header field with the
+      request.  The Authorization field value consists of credentials
+      containing the authentication information of the user agent for
+      the realm of the resource being requested.
+
+          Authorization  = "Authorization" ":" credentials
+
+      HTTP access authentication is described in "HTTP Authentication:
+      Basic and Digest Access Authentication" [43]. If a request is
+      authenticated and a realm specified, the same credentials SHOULD
+      be valid for all other requests within this realm (assuming that
+      the authentication scheme itself does not require otherwise, such
+      as credentials that vary according to a challenge value or using
+      synchronized clocks).
+
+      When a shared cache (see section 13.7) receives a request
+      containing an Authorization field, it MUST NOT return the
+      corresponding response as a reply to any other request, unless one
+      of the following specific exceptions holds:
+
+      1. If the response includes the "s-maxage" cache-control
+         directive, the cache MAY use that response in replying to a
+         subsequent request. But (if the specified maximum age has
+         passed) a proxy cache MUST first revalidate it with the origin
+         server, using the request-headers from the new request to allow
+         the origin server to authenticate the new request. (This is the
+         defined behavior for s-maxage.) If the response includes "s-
+         maxage=0", the proxy MUST always revalidate it before re-using
+         it.
+
+      2. If the response includes the "must-revalidate" cache-control
+         directive, the cache MAY use that response in replying to a
+         subsequent request. But if the response is stale, all caches
+         MUST first revalidate it with the origin server, using the
+         request-headers from the new request to allow the origin server
+         to authenticate the new request.
+
+      3. If the response includes the "public" cache-control directive,
+         it MAY be returned in reply to any subsequent request.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 107]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.9 Cache-Control
+
+   The Cache-Control general-header field is used to specify directives
+   that MUST be obeyed by all caching mechanisms along the
+   request/response chain. The directives specify behavior intended to
+   prevent caches from adversely interfering with the request or
+   response. These directives typically override the default caching
+   algorithms. Cache directives are unidirectional in that the presence
+   of a directive in a request does not imply that the same directive is
+   to be given in the response.
+
+      Note that HTTP/1.0 caches might not implement Cache-Control and
+      might only implement Pragma: no-cache (see section 14.32).
+
+   Cache directives MUST be passed through by a proxy or gateway
+   application, regardless of their significance to that application,
+   since the directives might be applicable to all recipients along the
+   request/response chain. It is not possible to specify a cache-
+   directive for a specific cache.
+
+    Cache-Control   = "Cache-Control" ":" 1#cache-directive
+
+    cache-directive = cache-request-directive
+         | cache-response-directive
+
+    cache-request-directive =
+           "no-cache"                          ; Section 14.9.1
+         | "no-store"                          ; Section 14.9.2
+         | "max-age" "=" delta-seconds         ; Section 14.9.3, 14.9.4
+         | "max-stale" [ "=" delta-seconds ]   ; Section 14.9.3
+         | "min-fresh" "=" delta-seconds       ; Section 14.9.3
+         | "no-transform"                      ; Section 14.9.5
+         | "only-if-cached"                    ; Section 14.9.4
+         | cache-extension                     ; Section 14.9.6
+
+     cache-response-directive =
+           "public"                               ; Section 14.9.1
+         | "private" [ "=" <"> 1#field-name <"> ] ; Section 14.9.1
+         | "no-cache" [ "=" <"> 1#field-name <"> ]; Section 14.9.1
+         | "no-store"                             ; Section 14.9.2
+         | "no-transform"                         ; Section 14.9.5
+         | "must-revalidate"                      ; Section 14.9.4
+         | "proxy-revalidate"                     ; Section 14.9.4
+         | "max-age" "=" delta-seconds            ; Section 14.9.3
+         | "s-maxage" "=" delta-seconds           ; Section 14.9.3
+         | cache-extension                        ; Section 14.9.6
+
+    cache-extension = token [ "=" ( token | quoted-string ) ]
+
+
+
+Fielding, et al.            Standards Track                   [Page 108]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   When a directive appears without any 1#field-name parameter, the
+   directive applies to the entire request or response. When such a
+   directive appears with a 1#field-name parameter, it applies only to
+   the named field or fields, and not to the rest of the request or
+   response. This mechanism supports extensibility; implementations of
+   future versions of the HTTP protocol might apply these directives to
+   header fields not defined in HTTP/1.1.
+
+   The cache-control directives can be broken down into these general
+   categories:
+
+      - Restrictions on what are cacheable; these may only be imposed by
+        the origin server.
+
+      - Restrictions on what may be stored by a cache; these may be
+        imposed by either the origin server or the user agent.
+
+      - Modifications of the basic expiration mechanism; these may be
+        imposed by either the origin server or the user agent.
+
+      - Controls over cache revalidation and reload; these may only be
+        imposed by a user agent.
+
+      - Control over transformation of entities.
+
+      - Extensions to the caching system.
+
+14.9.1 What is Cacheable
+
+   By default, a response is cacheable if the requirements of the
+   request method, request header fields, and the response status
+   indicate that it is cacheable. Section 13.4 summarizes these defaults
+   for cacheability. The following Cache-Control response directives
+   allow an origin server to override the default cacheability of a
+   response:
+
+   public
+      Indicates that the response MAY be cached by any cache, even if it
+      would normally be non-cacheable or cacheable only within a non-
+      shared cache. (See also Authorization, section 14.8, for
+      additional details.)
+
+   private
+      Indicates that all or part of the response message is intended for
+      a single user and MUST NOT be cached by a shared cache. This
+      allows an origin server to state that the specified parts of the
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 109]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      response are intended for only one user and are not a valid
+      response for requests by other users. A private (non-shared) cache
+      MAY cache the response.
+
+       Note: This usage of the word private only controls where the
+       response may be cached, and cannot ensure the privacy of the
+       message content.
+
+   no-cache
+       If the no-cache directive does not specify a field-name, then a
+      cache MUST NOT use the response to satisfy a subsequent request
+      without successful revalidation with the origin server. This
+      allows an origin server to prevent caching even by caches that
+      have been configured to return stale responses to client requests.
+
+      If the no-cache directive does specify one or more field-names,
+      then a cache MAY use the response to satisfy a subsequent request,
+      subject to any other restrictions on caching. However, the
+      specified field-name(s) MUST NOT be sent in the response to a
+      subsequent request without successful revalidation with the origin
+      server. This allows an origin server to prevent the re-use of
+      certain header fields in a response, while still allowing caching
+      of the rest of the response.
+
+       Note: Most HTTP/1.0 caches will not recognize or obey this
+       directive.
+
+14.9.2 What May be Stored by Caches
+
+   no-store
+      The purpose of the no-store directive is to prevent the
+      inadvertent release or retention of sensitive information (for
+      example, on backup tapes). The no-store directive applies to the
+      entire message, and MAY be sent either in a response or in a
+      request. If sent in a request, a cache MUST NOT store any part of
+      either this request or any response to it. If sent in a response,
+      a cache MUST NOT store any part of either this response or the
+      request that elicited it. This directive applies to both non-
+      shared and shared caches. "MUST NOT store" in this context means
+      that the cache MUST NOT intentionally store the information in
+      non-volatile storage, and MUST make a best-effort attempt to
+      remove the information from volatile storage as promptly as
+      possible after forwarding it.
+
+      Even when this directive is associated with a response, users
+      might explicitly store such a response outside of the caching
+      system (e.g., with a "Save As" dialog). History buffers MAY store
+      such responses as part of their normal operation.
+
+
+
+Fielding, et al.            Standards Track                   [Page 110]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      The purpose of this directive is to meet the stated requirements
+      of certain users and service authors who are concerned about
+      accidental releases of information via unanticipated accesses to
+      cache data structures. While the use of this directive might
+      improve privacy in some cases, we caution that it is NOT in any
+      way a reliable or sufficient mechanism for ensuring privacy. In
+      particular, malicious or compromised caches might not recognize or
+      obey this directive, and communications networks might be
+      vulnerable to eavesdropping.
+
+14.9.3 Modifications of the Basic Expiration Mechanism
+
+   The expiration time of an entity MAY be specified by the origin
+   server using the Expires header (see section 14.21). Alternatively,
+   it MAY be specified using the max-age directive in a response. When
+   the max-age cache-control directive is present in a cached response,
+   the response is stale if its current age is greater than the age
+   value given (in seconds) at the time of a new request for that
+   resource. The max-age directive on a response implies that the
+   response is cacheable (i.e., "public") unless some other, more
+   restrictive cache directive is also present.
+
+   If a response includes both an Expires header and a max-age
+   directive, the max-age directive overrides the Expires header, even
+   if the Expires header is more restrictive. This rule allows an origin
+   server to provide, for a given response, a longer expiration time to
+   an HTTP/1.1 (or later) cache than to an HTTP/1.0 cache. This might be
+   useful if certain HTTP/1.0 caches improperly calculate ages or
+   expiration times, perhaps due to desynchronized clocks.
+
+   Many HTTP/1.0 cache implementations will treat an Expires value that
+   is less than or equal to the response Date value as being equivalent
+   to the Cache-Control response directive "no-cache". If an HTTP/1.1
+   cache receives such a response, and the response does not include a
+   Cache-Control header field, it SHOULD consider the response to be
+   non-cacheable in order to retain compatibility with HTTP/1.0 servers.
+
+       Note: An origin server might wish to use a relatively new HTTP
+       cache control feature, such as the "private" directive, on a
+       network including older caches that do not understand that
+       feature. The origin server will need to combine the new feature
+       with an Expires field whose value is less than or equal to the
+       Date value. This will prevent older caches from improperly
+       caching the response.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 111]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   s-maxage
+       If a response includes an s-maxage directive, then for a shared
+       cache (but not for a private cache), the maximum age specified by
+       this directive overrides the maximum age specified by either the
+       max-age directive or the Expires header. The s-maxage directive
+       also implies the semantics of the proxy-revalidate directive (see
+       section 14.9.4), i.e., that the shared cache must not use the
+       entry after it becomes stale to respond to a subsequent request
+       without first revalidating it with the origin server. The s-
+       maxage directive is always ignored by a private cache.
+
+   Note that most older caches, not compliant with this specification,
+   do not implement any cache-control directives. An origin server
+   wishing to use a cache-control directive that restricts, but does not
+   prevent, caching by an HTTP/1.1-compliant cache MAY exploit the
+   requirement that the max-age directive overrides the Expires header,
+   and the fact that pre-HTTP/1.1-compliant caches do not observe the
+   max-age directive.
+
+   Other directives allow a user agent to modify the basic expiration
+   mechanism. These directives MAY be specified on a request:
+
+   max-age
+      Indicates that the client is willing to accept a response whose
+      age is no greater than the specified time in seconds. Unless max-
+      stale directive is also included, the client is not willing to
+      accept a stale response.
+
+   min-fresh
+      Indicates that the client is willing to accept a response whose
+      freshness lifetime is no less than its current age plus the
+      specified time in seconds. That is, the client wants a response
+      that will still be fresh for at least the specified number of
+      seconds.
+
+   max-stale
+      Indicates that the client is willing to accept a response that has
+      exceeded its expiration time. If max-stale is assigned a value,
+      then the client is willing to accept a response that has exceeded
+      its expiration time by no more than the specified number of
+      seconds. If no value is assigned to max-stale, then the client is
+      willing to accept a stale response of any age.
+
+   If a cache returns a stale response, either because of a max-stale
+   directive on a request, or because the cache is configured to
+   override the expiration time of a response, the cache MUST attach a
+   Warning header to the stale response, using Warning 110 (Response is
+   stale).
+
+
+
+Fielding, et al.            Standards Track                   [Page 112]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   A cache MAY be configured to return stale responses without
+   validation, but only if this does not conflict with any "MUST"-level
+   requirements concerning cache validation (e.g., a "must-revalidate"
+   cache-control directive).
+
+   If both the new request and the cached entry include "max-age"
+   directives, then the lesser of the two values is used for determining
+   the freshness of the cached entry for that request.
+
+14.9.4 Cache Revalidation and Reload Controls
+
+   Sometimes a user agent might want or need to insist that a cache
+   revalidate its cache entry with the origin server (and not just with
+   the next cache along the path to the origin server), or to reload its
+   cache entry from the origin server. End-to-end revalidation might be
+   necessary if either the cache or the origin server has overestimated
+   the expiration time of the cached response. End-to-end reload may be
+   necessary if the cache entry has become corrupted for some reason.
+
+   End-to-end revalidation may be requested either when the client does
+   not have its own local cached copy, in which case we call it
+   "unspecified end-to-end revalidation", or when the client does have a
+   local cached copy, in which case we call it "specific end-to-end
+   revalidation."
+
+   The client can specify these three kinds of action using Cache-
+   Control request directives:
+
+   End-to-end reload
+      The request includes a "no-cache" cache-control directive or, for
+      compatibility with HTTP/1.0 clients, "Pragma: no-cache". Field
+      names MUST NOT be included with the no-cache directive in a
+      request. The server MUST NOT use a cached copy when responding to
+      such a request.
+
+   Specific end-to-end revalidation
+      The request includes a "max-age=0" cache-control directive, which
+      forces each cache along the path to the origin server to
+      revalidate its own entry, if any, with the next cache or server.
+      The initial request includes a cache-validating conditional with
+      the client's current validator.
+
+   Unspecified end-to-end revalidation
+      The request includes "max-age=0" cache-control directive, which
+      forces each cache along the path to the origin server to
+      revalidate its own entry, if any, with the next cache or server.
+      The initial request does not include a cache-validating
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 113]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      conditional; the first cache along the path (if any) that holds a
+      cache entry for this resource includes a cache-validating
+      conditional with its current validator.
+
+   max-age
+      When an intermediate cache is forced, by means of a max-age=0
+      directive, to revalidate its own cache entry, and the client has
+      supplied its own validator in the request, the supplied validator
+      might differ from the validator currently stored with the cache
+      entry. In this case, the cache MAY use either validator in making
+      its own request without affecting semantic transparency.
+
+      However, the choice of validator might affect performance. The
+      best approach is for the intermediate cache to use its own
+      validator when making its request. If the server replies with 304
+      (Not Modified), then the cache can return its now validated copy
+      to the client with a 200 (OK) response. If the server replies with
+      a new entity and cache validator, however, the intermediate cache
+      can compare the returned validator with the one provided in the
+      client's request, using the strong comparison function. If the
+      client's validator is equal to the origin server's, then the
+      intermediate cache simply returns 304 (Not Modified). Otherwise,
+      it returns the new entity with a 200 (OK) response.
+
+      If a request includes the no-cache directive, it SHOULD NOT
+      include min-fresh, max-stale, or max-age.
+
+   only-if-cached
+      In some cases, such as times of extremely poor network
+      connectivity, a client may want a cache to return only those
+      responses that it currently has stored, and not to reload or
+      revalidate with the origin server. To do this, the client may
+      include the only-if-cached directive in a request. If it receives
+      this directive, a cache SHOULD either respond using a cached entry
+      that is consistent with the other constraints of the request, or
+      respond with a 504 (Gateway Timeout) status. However, if a group
+      of caches is being operated as a unified system with good internal
+      connectivity, such a request MAY be forwarded within that group of
+      caches.
+
+   must-revalidate
+      Because a cache MAY be configured to ignore a server's specified
+      expiration time, and because a client request MAY include a max-
+      stale directive (which has a similar effect), the protocol also
+      includes a mechanism for the origin server to require revalidation
+      of a cache entry on any subsequent use. When the must-revalidate
+      directive is present in a response received by a cache, that cache
+      MUST NOT use the entry after it becomes stale to respond to a
+
+
+
+Fielding, et al.            Standards Track                   [Page 114]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      subsequent request without first revalidating it with the origin
+      server. (I.e., the cache MUST do an end-to-end revalidation every
+      time, if, based solely on the origin server's Expires or max-age
+      value, the cached response is stale.)
+
+      The must-revalidate directive is necessary to support reliable
+      operation for certain protocol features. In all circumstances an
+      HTTP/1.1 cache MUST obey the must-revalidate directive; in
+      particular, if the cache cannot reach the origin server for any
+      reason, it MUST generate a 504 (Gateway Timeout) response.
+
+      Servers SHOULD send the must-revalidate directive if and only if
+      failure to revalidate a request on the entity could result in
+      incorrect operation, such as a silently unexecuted financial
+      transaction. Recipients MUST NOT take any automated action that
+      violates this directive, and MUST NOT automatically provide an
+      unvalidated copy of the entity if revalidation fails.
+
+      Although this is not recommended, user agents operating under
+      severe connectivity constraints MAY violate this directive but, if
+      so, MUST explicitly warn the user that an unvalidated response has
+      been provided. The warning MUST be provided on each unvalidated
+      access, and SHOULD require explicit user confirmation.
+
+   proxy-revalidate
+      The proxy-revalidate directive has the same meaning as the must-
+      revalidate directive, except that it does not apply to non-shared
+      user agent caches. It can be used on a response to an
+      authenticated request to permit the user's cache to store and
+      later return the response without needing to revalidate it (since
+      it has already been authenticated once by that user), while still
+      requiring proxies that service many users to revalidate each time
+      (in order to make sure that each user has been authenticated).
+      Note that such authenticated responses also need the public cache
+      control directive in order to allow them to be cached at all.
+
+14.9.5 No-Transform Directive
+
+   no-transform
+      Implementors of intermediate caches (proxies) have found it useful
+      to convert the media type of certain entity bodies. A non-
+      transparent proxy might, for example, convert between image
+      formats in order to save cache space or to reduce the amount of
+      traffic on a slow link.
+
+      Serious operational problems occur, however, when these
+      transformations are applied to entity bodies intended for certain
+      kinds of applications. For example, applications for medical
+
+
+
+Fielding, et al.            Standards Track                   [Page 115]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      imaging, scientific data analysis and those using end-to-end
+      authentication, all depend on receiving an entity body that is bit
+      for bit identical to the original entity-body.
+
+      Therefore, if a message includes the no-transform directive, an
+      intermediate cache or proxy MUST NOT change those headers that are
+      listed in section 13.5.2 as being subject to the no-transform
+      directive. This implies that the cache or proxy MUST NOT change
+      any aspect of the entity-body that is specified by these headers,
+      including the value of the entity-body itself.
+
+14.9.6 Cache Control Extensions
+
+   The Cache-Control header field can be extended through the use of one
+   or more cache-extension tokens, each with an optional assigned value.
+   Informational extensions (those which do not require a change in
+   cache behavior) MAY be added without changing the semantics of other
+   directives. Behavioral extensions are designed to work by acting as
+   modifiers to the existing base of cache directives. Both the new
+   directive and the standard directive are supplied, such that
+   applications which do not understand the new directive will default
+   to the behavior specified by the standard directive, and those that
+   understand the new directive will recognize it as modifying the
+   requirements associated with the standard directive. In this way,
+   extensions to the cache-control directives can be made without
+   requiring changes to the base protocol.
+
+   This extension mechanism depends on an HTTP cache obeying all of the
+   cache-control directives defined for its native HTTP-version, obeying
+   certain extensions, and ignoring all directives that it does not
+   understand.
+
+   For example, consider a hypothetical new response directive called
+   community which acts as a modifier to the private directive. We
+   define this new directive to mean that, in addition to any non-shared
+   cache, any cache which is shared only by members of the community
+   named within its value may cache the response. An origin server
+   wishing to allow the UCI community to use an otherwise private
+   response in their shared cache(s) could do so by including
+
+       Cache-Control: private, community="UCI"
+
+   A cache seeing this header field will act correctly even if the cache
+   does not understand the community cache-extension, since it will also
+   see and understand the private directive and thus default to the safe
+   behavior.
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 116]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Unrecognized cache-directives MUST be ignored; it is assumed that any
+   cache-directive likely to be unrecognized by an HTTP/1.1 cache will
+   be combined with standard directives (or the response's default
+   cacheability) such that the cache behavior will remain minimally
+   correct even if the cache does not understand the extension(s).
+
+14.10 Connection
+
+   The Connection general-header field allows the sender to specify
+   options that are desired for that particular connection and MUST NOT
+   be communicated by proxies over further connections.
+
+   The Connection header has the following grammar:
+
+       Connection = "Connection" ":" 1#(connection-token)
+       connection-token  = token
+
+   HTTP/1.1 proxies MUST parse the Connection header field before a
+   message is forwarded and, for each connection-token in this field,
+   remove any header field(s) from the message with the same name as the
+   connection-token. Connection options are signaled by the presence of
+   a connection-token in the Connection header field, not by any
+   corresponding additional header field(s), since the additional header
+   field may not be sent if there are no parameters associated with that
+   connection option.
+
+   Message headers listed in the Connection header MUST NOT include
+   end-to-end headers, such as Cache-Control.
+
+   HTTP/1.1 defines the "close" connection option for the sender to
+   signal that the connection will be closed after completion of the
+   response. For example,
+
+       Connection: close
+
+   in either the request or the response header fields indicates that
+   the connection SHOULD NOT be considered `persistent' (section 8.1)
+   after the current request/response is complete.
+
+   HTTP/1.1 applications that do not support persistent connections MUST
+   include the "close" connection option in every message.
+
+   A system receiving an HTTP/1.0 (or lower-version) message that
+   includes a Connection header MUST, for each connection-token in this
+   field, remove and ignore any header field(s) from the message with
+   the same name as the connection-token. This protects against mistaken
+   forwarding of such header fields by pre-HTTP/1.1 proxies. See section
+   19.6.2.
+
+
+
+Fielding, et al.            Standards Track                   [Page 117]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.11 Content-Encoding
+
+   The Content-Encoding entity-header field is used as a modifier to the
+   media-type. When present, its value indicates what additional content
+   codings have been applied to the entity-body, and thus what decoding
+   mechanisms must be applied in order to obtain the media-type
+   referenced by the Content-Type header field. Content-Encoding is
+   primarily used to allow a document to be compressed without losing
+   the identity of its underlying media type.
+
+       Content-Encoding  = "Content-Encoding" ":" 1#content-coding
+
+   Content codings are defined in section 3.5. An example of its use is
+
+       Content-Encoding: gzip
+
+   The content-coding is a characteristic of the entity identified by
+   the Request-URI. Typically, the entity-body is stored with this
+   encoding and is only decoded before rendering or analogous usage.
+   However, a non-transparent proxy MAY modify the content-coding if the
+   new coding is known to be acceptable to the recipient, unless the
+   "no-transform" cache-control directive is present in the message.
+
+   If the content-coding of an entity is not "identity", then the
+   response MUST include a Content-Encoding entity-header (section
+   14.11) that lists the non-identity content-coding(s) used.
+
+   If the content-coding of an entity in a request message is not
+   acceptable to the origin server, the server SHOULD respond with a
+   status code of 415 (Unsupported Media Type).
+
+   If multiple encodings have been applied to an entity, the content
+   codings MUST be listed in the order in which they were applied.
+   Additional information about the encoding parameters MAY be provided
+   by other entity-header fields not defined by this specification.
+
+14.12 Content-Language
+
+   The Content-Language entity-header field describes the natural
+   language(s) of the intended audience for the enclosed entity. Note
+   that this might not be equivalent to all the languages used within
+   the entity-body.
+
+       Content-Language  = "Content-Language" ":" 1#language-tag
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 118]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Language tags are defined in section 3.10. The primary purpose of
+   Content-Language is to allow a user to identify and differentiate
+   entities according to the user's own preferred language. Thus, if the
+   body content is intended only for a Danish-literate audience, the
+   appropriate field is
+
+       Content-Language: da
+
+   If no Content-Language is specified, the default is that the content
+   is intended for all language audiences. This might mean that the
+   sender does not consider it to be specific to any natural language,
+   or that the sender does not know for which language it is intended.
+
+   Multiple languages MAY be listed for content that is intended for
+   multiple audiences. For example, a rendition of the "Treaty of
+   Waitangi," presented simultaneously in the original Maori and English
+   versions, would call for
+
+       Content-Language: mi, en
+
+   However, just because multiple languages are present within an entity
+   does not mean that it is intended for multiple linguistic audiences.
+   An example would be a beginner's language primer, such as "A First
+   Lesson in Latin," which is clearly intended to be used by an
+   English-literate audience. In this case, the Content-Language would
+   properly only include "en".
+
+   Content-Language MAY be applied to any media type -- it is not
+   limited to textual documents.
+
+14.13 Content-Length
+
+   The Content-Length entity-header field indicates the size of the
+   entity-body, in decimal number of OCTETs, sent to the recipient or,
+   in the case of the HEAD method, the size of the entity-body that
+   would have been sent had the request been a GET.
+
+       Content-Length    = "Content-Length" ":" 1*DIGIT
+
+   An example is
+
+       Content-Length: 3495
+
+   Applications SHOULD use this field to indicate the transfer-length of
+   the message-body, unless this is prohibited by the rules in section
+   4.4.
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 119]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Any Content-Length greater than or equal to zero is a valid value.
+   Section 4.4 describes how to determine the length of a message-body
+   if a Content-Length is not given.
+
+   Note that the meaning of this field is significantly different from
+   the corresponding definition in MIME, where it is an optional field
+   used within the "message/external-body" content-type. In HTTP, it
+   SHOULD be sent whenever the message's length can be determined prior
+   to being transferred, unless this is prohibited by the rules in
+   section 4.4.
+
+14.14 Content-Location
+
+   The Content-Location entity-header field MAY be used to supply the
+   resource location for the entity enclosed in the message when that
+   entity is accessible from a location separate from the requested
+   resource's URI. A server SHOULD provide a Content-Location for the
+   variant corresponding to the response entity; especially in the case
+   where a resource has multiple entities associated with it, and those
+   entities actually have separate locations by which they might be
+   individually accessed, the server SHOULD provide a Content-Location
+   for the particular variant which is returned.
+
+       Content-Location = "Content-Location" ":"
+                         ( absoluteURI | relativeURI )
+
+   The value of Content-Location also defines the base URI for the
+   entity.
+
+   The Content-Location value is not a replacement for the original
+   requested URI; it is only a statement of the location of the resource
+   corresponding to this particular entity at the time of the request.
+   Future requests MAY specify the Content-Location URI as the request-
+   URI if the desire is to identify the source of that particular
+   entity.
+
+   A cache cannot assume that an entity with a Content-Location
+   different from the URI used to retrieve it can be used to respond to
+   later requests on that Content-Location URI. However, the Content-
+   Location can be used to differentiate between multiple entities
+   retrieved from a single requested resource, as described in section
+   13.6.
+
+   If the Content-Location is a relative URI, the relative URI is
+   interpreted relative to the Request-URI.
+
+   The meaning of the Content-Location header in PUT or POST requests is
+   undefined; servers are free to ignore it in those cases.
+
+
+
+Fielding, et al.            Standards Track                   [Page 120]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.15 Content-MD5
+
+   The Content-MD5 entity-header field, as defined in RFC 1864 [23], is
+   an MD5 digest of the entity-body for the purpose of providing an
+   end-to-end message integrity check (MIC) of the entity-body. (Note: a
+   MIC is good for detecting accidental modification of the entity-body
+   in transit, but is not proof against malicious attacks.)
+
+        Content-MD5   = "Content-MD5" ":" md5-digest
+        md5-digest   = <base64 of 128 bit MD5 digest as per RFC 1864>
+
+   The Content-MD5 header field MAY be generated by an origin server or
+   client to function as an integrity check of the entity-body. Only
+   origin servers or clients MAY generate the Content-MD5 header field;
+   proxies and gateways MUST NOT generate it, as this would defeat its
+   value as an end-to-end integrity check. Any recipient of the entity-
+   body, including gateways and proxies, MAY check that the digest value
+   in this header field matches that of the entity-body as received.
+
+   The MD5 digest is computed based on the content of the entity-body,
+   including any content-coding that has been applied, but not including
+   any transfer-encoding applied to the message-body. If the message is
+   received with a transfer-encoding, that encoding MUST be removed
+   prior to checking the Content-MD5 value against the received entity.
+
+   This has the result that the digest is computed on the octets of the
+   entity-body exactly as, and in the order that, they would be sent if
+   no transfer-encoding were being applied.
+
+   HTTP extends RFC 1864 to permit the digest to be computed for MIME
+   composite media-types (e.g., multipart/* and message/rfc822), but
+   this does not change how the digest is computed as defined in the
+   preceding paragraph.
+
+   There are several consequences of this. The entity-body for composite
+   types MAY contain many body-parts, each with its own MIME and HTTP
+   headers (including Content-MD5, Content-Transfer-Encoding, and
+   Content-Encoding headers). If a body-part has a Content-Transfer-
+   Encoding or Content-Encoding header, it is assumed that the content
+   of the body-part has had the encoding applied, and the body-part is
+   included in the Content-MD5 digest as is -- i.e., after the
+   application. The Transfer-Encoding header field is not allowed within
+   body-parts.
+
+   Conversion of all line breaks to CRLF MUST NOT be done before
+   computing or checking the digest: the line break convention used in
+   the text actually transmitted MUST be left unaltered when computing
+   the digest.
+
+
+
+Fielding, et al.            Standards Track                   [Page 121]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      Note: while the definition of Content-MD5 is exactly the same for
+      HTTP as in RFC 1864 for MIME entity-bodies, there are several ways
+      in which the application of Content-MD5 to HTTP entity-bodies
+      differs from its application to MIME entity-bodies. One is that
+      HTTP, unlike MIME, does not use Content-Transfer-Encoding, and
+      does use Transfer-Encoding and Content-Encoding. Another is that
+      HTTP more frequently uses binary content types than MIME, so it is
+      worth noting that, in such cases, the byte order used to compute
+      the digest is the transmission byte order defined for the type.
+      Lastly, HTTP allows transmission of text types with any of several
+      line break conventions and not just the canonical form using CRLF.
+
+14.16 Content-Range
+
+   The Content-Range entity-header is sent with a partial entity-body to
+   specify where in the full entity-body the partial body should be
+   applied. Range units are defined in section 3.12.
+
+       Content-Range = "Content-Range" ":" content-range-spec
+
+       content-range-spec      = byte-content-range-spec
+       byte-content-range-spec = bytes-unit SP
+                                 byte-range-resp-spec "/"
+                                 ( instance-length | "*" )
+
+       byte-range-resp-spec = (first-byte-pos "-" last-byte-pos)
+                                      | "*"
+       instance-length           = 1*DIGIT
+
+   The header SHOULD indicate the total length of the full entity-body,
+   unless this length is unknown or difficult to determine. The asterisk
+   "*" character means that the instance-length is unknown at the time
+   when the response was generated.
+
+   Unlike byte-ranges-specifier values (see section 14.35.1), a byte-
+   range-resp-spec MUST only specify one range, and MUST contain
+   absolute byte positions for both the first and last byte of the
+   range.
+
+   A byte-content-range-spec with a byte-range-resp-spec whose last-
+   byte-pos value is less than its first-byte-pos value, or whose
+   instance-length value is less than or equal to its last-byte-pos
+   value, is invalid. The recipient of an invalid byte-content-range-
+   spec MUST ignore it and any content transferred along with it.
+
+   A server sending a response with status code 416 (Requested range not
+   satisfiable) SHOULD include a Content-Range field with a byte-range-
+   resp-spec of "*". The instance-length specifies the current length of
+
+
+
+Fielding, et al.            Standards Track                   [Page 122]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   the selected resource. A response with status code 206 (Partial
+   Content) MUST NOT include a Content-Range field with a byte-range-
+   resp-spec of "*".
+
+   Examples of byte-content-range-spec values, assuming that the entity
+   contains a total of 1234 bytes:
+
+      . The first 500 bytes:
+       bytes 0-499/1234
+
+      . The second 500 bytes:
+       bytes 500-999/1234
+
+      . All except for the first 500 bytes:
+       bytes 500-1233/1234
+
+      . The last 500 bytes:
+       bytes 734-1233/1234
+
+   When an HTTP message includes the content of a single range (for
+   example, a response to a request for a single range, or to a request
+   for a set of ranges that overlap without any holes), this content is
+   transmitted with a Content-Range header, and a Content-Length header
+   showing the number of bytes actually transferred. For example,
+
+       HTTP/1.1 206 Partial content
+       Date: Wed, 15 Nov 1995 06:25:24 GMT
+       Last-Modified: Wed, 15 Nov 1995 04:58:08 GMT
+       Content-Range: bytes 21010-47021/47022
+       Content-Length: 26012
+       Content-Type: image/gif
+
+   When an HTTP message includes the content of multiple ranges (for
+   example, a response to a request for multiple non-overlapping
+   ranges), these are transmitted as a multipart message. The multipart
+   media type used for this purpose is "multipart/byteranges" as defined
+   in appendix 19.2. See appendix 19.6.3 for a compatibility issue.
+
+   A response to a request for a single range MUST NOT be sent using the
+   multipart/byteranges media type.  A response to a request for
+   multiple ranges, whose result is a single range, MAY be sent as a
+   multipart/byteranges media type with one part. A client that cannot
+   decode a multipart/byteranges message MUST NOT ask for multiple
+   byte-ranges in a single request.
+
+   When a client requests multiple byte-ranges in one request, the
+   server SHOULD return them in the order that they appeared in the
+   request.
+
+
+
+Fielding, et al.            Standards Track                   [Page 123]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If the server ignores a byte-range-spec because it is syntactically
+   invalid, the server SHOULD treat the request as if the invalid Range
+   header field did not exist. (Normally, this means return a 200
+   response containing the full entity).
+
+   If the server receives a request (other than one including an If-
+   Range request-header field) with an unsatisfiable Range request-
+   header field (that is, all of whose byte-range-spec values have a
+   first-byte-pos value greater than the current length of the selected
+   resource), it SHOULD return a response code of 416 (Requested range
+   not satisfiable) (section 10.4.17).
+
+      Note: clients cannot depend on servers to send a 416 (Requested
+      range not satisfiable) response instead of a 200 (OK) response for
+      an unsatisfiable Range request-header, since not all servers
+      implement this request-header.
+
+14.17 Content-Type
+
+   The Content-Type entity-header field indicates the media type of the
+   entity-body sent to the recipient or, in the case of the HEAD method,
+   the media type that would have been sent had the request been a GET.
+
+       Content-Type   = "Content-Type" ":" media-type
+
+   Media types are defined in section 3.7. An example of the field is
+
+       Content-Type: text/html; charset=ISO-8859-4
+
+   Further discussion of methods for identifying the media type of an
+   entity is provided in section 7.2.1.
+
+14.18 Date
+
+   The Date general-header field represents the date and time at which
+   the message was originated, having the same semantics as orig-date in
+   RFC 822. The field value is an HTTP-date, as described in section
+   3.3.1; it MUST be sent in RFC 1123 [8]-date format.
+
+       Date  = "Date" ":" HTTP-date
+
+   An example is
+
+       Date: Tue, 15 Nov 1994 08:12:31 GMT
+
+   Origin servers MUST include a Date header field in all responses,
+   except in these cases:
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 124]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      1. If the response status code is 100 (Continue) or 101 (Switching
+         Protocols), the response MAY include a Date header field, at
+         the server's option.
+
+      2. If the response status code conveys a server error, e.g. 500
+         (Internal Server Error) or 503 (Service Unavailable), and it is
+         inconvenient or impossible to generate a valid Date.
+
+      3. If the server does not have a clock that can provide a
+         reasonable approximation of the current time, its responses
+         MUST NOT include a Date header field. In this case, the rules
+         in section 14.18.1 MUST be followed.
+
+   A received message that does not have a Date header field MUST be
+   assigned one by the recipient if the message will be cached by that
+   recipient or gatewayed via a protocol which requires a Date. An HTTP
+   implementation without a clock MUST NOT cache responses without
+   revalidating them on every use. An HTTP cache, especially a shared
+   cache, SHOULD use a mechanism, such as NTP [28], to synchronize its
+   clock with a reliable external standard.
+
+   Clients SHOULD only send a Date header field in messages that include
+   an entity-body, as in the case of the PUT and POST requests, and even
+   then it is optional. A client without a clock MUST NOT send a Date
+   header field in a request.
+
+   The HTTP-date sent in a Date header SHOULD NOT represent a date and
+   time subsequent to the generation of the message. It SHOULD represent
+   the best available approximation of the date and time of message
+   generation, unless the implementation has no means of generating a
+   reasonably accurate date and time. In theory, the date ought to
+   represent the moment just before the entity is generated. In
+   practice, the date can be generated at any time during the message
+   origination without affecting its semantic value.
+
+14.18.1 Clockless Origin Server Operation
+
+   Some origin server implementations might not have a clock available.
+   An origin server without a clock MUST NOT assign Expires or Last-
+   Modified values to a response, unless these values were associated
+   with the resource by a system or user with a reliable clock. It MAY
+   assign an Expires value that is known, at or before server
+   configuration time, to be in the past (this allows "pre-expiration"
+   of responses without storing separate Expires values for each
+   resource).
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 125]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.19 ETag
+
+   The ETag response-header field provides the current value of the
+   entity tag for the requested variant. The headers used with entity
+   tags are described in sections 14.24, 14.26 and 14.44. The entity tag
+   MAY be used for comparison with other entities from the same resource
+   (see section 13.3.3).
+
+      ETag = "ETag" ":" entity-tag
+
+   Examples:
+
+      ETag: "xyzzy"
+      ETag: W/"xyzzy"
+      ETag: ""
+
+14.20 Expect
+
+   The Expect request-header field is used to indicate that particular
+   server behaviors are required by the client.
+
+      Expect       =  "Expect" ":" 1#expectation
+
+      expectation  =  "100-continue" | expectation-extension
+      expectation-extension =  token [ "=" ( token | quoted-string )
+                               *expect-params ]
+      expect-params =  ";" token [ "=" ( token | quoted-string ) ]
+
+
+   A server that does not understand or is unable to comply with any of
+   the expectation values in the Expect field of a request MUST respond
+   with appropriate error status. The server MUST respond with a 417
+   (Expectation Failed) status if any of the expectations cannot be met
+   or, if there are other problems with the request, some other 4xx
+   status.
+
+   This header field is defined with extensible syntax to allow for
+   future extensions. If a server receives a request containing an
+   Expect field that includes an expectation-extension that it does not
+   support, it MUST respond with a 417 (Expectation Failed) status.
+
+   Comparison of expectation values is case-insensitive for unquoted
+   tokens (including the 100-continue token), and is case-sensitive for
+   quoted-string expectation-extensions.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 126]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The Expect mechanism is hop-by-hop: that is, an HTTP/1.1 proxy MUST
+   return a 417 (Expectation Failed) status if it receives a request
+   with an expectation that it cannot meet. However, the Expect
+   request-header itself is end-to-end; it MUST be forwarded if the
+   request is forwarded.
+
+   Many older HTTP/1.0 and HTTP/1.1 applications do not understand the
+   Expect header.
+
+   See section 8.2.3 for the use of the 100 (continue) status.
+
+14.21 Expires
+
+   The Expires entity-header field gives the date/time after which the
+   response is considered stale. A stale cache entry may not normally be
+   returned by a cache (either a proxy cache or a user agent cache)
+   unless it is first validated with the origin server (or with an
+   intermediate cache that has a fresh copy of the entity). See section
+   13.2 for further discussion of the expiration model.
+
+   The presence of an Expires field does not imply that the original
+   resource will change or cease to exist at, before, or after that
+   time.
+
+   The format is an absolute date and time as defined by HTTP-date in
+   section 3.3.1; it MUST be in RFC 1123 date format:
+
+      Expires = "Expires" ":" HTTP-date
+
+   An example of its use is
+
+      Expires: Thu, 01 Dec 1994 16:00:00 GMT
+
+      Note: if a response includes a Cache-Control field with the max-
+      age directive (see section 14.9.3), that directive overrides the
+      Expires field.
+
+   HTTP/1.1 clients and caches MUST treat other invalid date formats,
+   especially including the value "0", as in the past (i.e., "already
+   expired").
+
+   To mark a response as "already expired," an origin server sends an
+   Expires date that is equal to the Date header value. (See the rules
+   for expiration calculations in section 13.2.4.)
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 127]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   To mark a response as "never expires," an origin server sends an
+   Expires date approximately one year from the time the response is
+   sent. HTTP/1.1 servers SHOULD NOT send Expires dates more than one
+   year in the future.
+
+   The presence of an Expires header field with a date value of some
+   time in the future on a response that otherwise would by default be
+   non-cacheable indicates that the response is cacheable, unless
+   indicated otherwise by a Cache-Control header field (section 14.9).
+
+14.22 From
+
+   The From request-header field, if given, SHOULD contain an Internet
+   e-mail address for the human user who controls the requesting user
+   agent. The address SHOULD be machine-usable, as defined by "mailbox"
+   in RFC 822 [9] as updated by RFC 1123 [8]:
+
+       From   = "From" ":" mailbox
+
+   An example is:
+
+       From: webmaster@w3.org
+
+   This header field MAY be used for logging purposes and as a means for
+   identifying the source of invalid or unwanted requests. It SHOULD NOT
+   be used as an insecure form of access protection. The interpretation
+   of this field is that the request is being performed on behalf of the
+   person given, who accepts responsibility for the method performed. In
+   particular, robot agents SHOULD include this header so that the
+   person responsible for running the robot can be contacted if problems
+   occur on the receiving end.
+
+   The Internet e-mail address in this field MAY be separate from the
+   Internet host which issued the request. For example, when a request
+   is passed through a proxy the original issuer's address SHOULD be
+   used.
+
+   The client SHOULD NOT send the From header field without the user's
+   approval, as it might conflict with the user's privacy interests or
+   their site's security policy. It is strongly recommended that the
+   user be able to disable, enable, and modify the value of this field
+   at any time prior to a request.
+
+14.23 Host
+
+   The Host request-header field specifies the Internet host and port
+   number of the resource being requested, as obtained from the original
+   URI given by the user or referring resource (generally an HTTP URL,
+
+
+
+Fielding, et al.            Standards Track                   [Page 128]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   as described in section 3.2.2). The Host field value MUST represent
+   the naming authority of the origin server or gateway given by the
+   original URL. This allows the origin server or gateway to
+   differentiate between internally-ambiguous URLs, such as the root "/"
+   URL of a server for multiple host names on a single IP address.
+
+       Host = "Host" ":" host [ ":" port ] ; Section 3.2.2
+
+   A "host" without any trailing port information implies the default
+   port for the service requested (e.g., "80" for an HTTP URL). For
+   example, a request on the origin server for
+   <http://www.w3.org/pub/WWW/> would properly include:
+
+       GET /pub/WWW/ HTTP/1.1
+       Host: www.w3.org
+
+   A client MUST include a Host header field in all HTTP/1.1 request
+   messages . If the requested URI does not include an Internet host
+   name for the service being requested, then the Host header field MUST
+   be given with an empty value. An HTTP/1.1 proxy MUST ensure that any
+   request message it forwards does contain an appropriate Host header
+   field that identifies the service being requested by the proxy. All
+   Internet-based HTTP/1.1 servers MUST respond with a 400 (Bad Request)
+   status code to any HTTP/1.1 request message which lacks a Host header
+   field.
+
+   See sections 5.2 and 19.6.1.1 for other requirements relating to
+   Host.
+
+14.24 If-Match
+
+   The If-Match request-header field is used with a method to make it
+   conditional. A client that has one or more entities previously
+   obtained from the resource can verify that one of those entities is
+   current by including a list of their associated entity tags in the
+   If-Match header field. Entity tags are defined in section 3.11. The
+   purpose of this feature is to allow efficient updates of cached
+   information with a minimum amount of transaction overhead. It is also
+   used, on updating requests, to prevent inadvertent modification of
+   the wrong version of a resource. As a special case, the value "*"
+   matches any current entity of the resource.
+
+       If-Match = "If-Match" ":" ( "*" | 1#entity-tag )
+
+   If any of the entity tags match the entity tag of the entity that
+   would have been returned in the response to a similar GET request
+   (without the If-Match header) on that resource, or if "*" is given
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 129]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   and any current entity exists for that resource, then the server MAY
+   perform the requested method as if the If-Match header field did not
+   exist.
+
+   A server MUST use the strong comparison function (see section 13.3.3)
+   to compare the entity tags in If-Match.
+
+   If none of the entity tags match, or if "*" is given and no current
+   entity exists, the server MUST NOT perform the requested method, and
+   MUST return a 412 (Precondition Failed) response. This behavior is
+   most useful when the client wants to prevent an updating method, such
+   as PUT, from modifying a resource that has changed since the client
+   last retrieved it.
+
+   If the request would, without the If-Match header field, result in
+   anything other than a 2xx or 412 status, then the If-Match header
+   MUST be ignored.
+
+   The meaning of "If-Match: *" is that the method SHOULD be performed
+   if the representation selected by the origin server (or by a cache,
+   possibly using the Vary mechanism, see section 14.44) exists, and
+   MUST NOT be performed if the representation does not exist.
+
+   A request intended to update a resource (e.g., a PUT) MAY include an
+   If-Match header field to signal that the request method MUST NOT be
+   applied if the entity corresponding to the If-Match value (a single
+   entity tag) is no longer a representation of that resource. This
+   allows the user to indicate that they do not wish the request to be
+   successful if the resource has been changed without their knowledge.
+   Examples:
+
+       If-Match: "xyzzy"
+       If-Match: "xyzzy", "r2d2xxxx", "c3piozzzz"
+       If-Match: *
+
+   The result of a request having both an If-Match header field and
+   either an If-None-Match or an If-Modified-Since header fields is
+   undefined by this specification.
+
+14.25 If-Modified-Since
+
+   The If-Modified-Since request-header field is used with a method to
+   make it conditional: if the requested variant has not been modified
+   since the time specified in this field, an entity will not be
+   returned from the server; instead, a 304 (not modified) response will
+   be returned without any message-body.
+
+       If-Modified-Since = "If-Modified-Since" ":" HTTP-date
+
+
+
+Fielding, et al.            Standards Track                   [Page 130]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   An example of the field is:
+
+       If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT
+
+   A GET method with an If-Modified-Since header and no Range header
+   requests that the identified entity be transferred only if it has
+   been modified since the date given by the If-Modified-Since header.
+   The algorithm for determining this includes the following cases:
+
+      a) If the request would normally result in anything other than a
+         200 (OK) status, or if the passed If-Modified-Since date is
+         invalid, the response is exactly the same as for a normal GET.
+         A date which is later than the server's current time is
+         invalid.
+
+      b) If the variant has been modified since the If-Modified-Since
+         date, the response is exactly the same as for a normal GET.
+
+      c) If the variant has not been modified since a valid If-
+         Modified-Since date, the server SHOULD return a 304 (Not
+         Modified) response.
+
+   The purpose of this feature is to allow efficient updates of cached
+   information with a minimum amount of transaction overhead.
+
+      Note: The Range request-header field modifies the meaning of If-
+      Modified-Since; see section 14.35 for full details.
+
+      Note: If-Modified-Since times are interpreted by the server, whose
+      clock might not be synchronized with the client.
+
+      Note: When handling an If-Modified-Since header field, some
+      servers will use an exact date comparison function, rather than a
+      less-than function, for deciding whether to send a 304 (Not
+      Modified) response. To get best results when sending an If-
+      Modified-Since header field for cache validation, clients are
+      advised to use the exact date string received in a previous Last-
+      Modified header field whenever possible.
+
+      Note: If a client uses an arbitrary date in the If-Modified-Since
+      header instead of a date taken from the Last-Modified header for
+      the same request, the client should be aware of the fact that this
+      date is interpreted in the server's understanding of time. The
+      client should consider unsynchronized clocks and rounding problems
+      due to the different encodings of time between the client and
+      server. This includes the possibility of race conditions if the
+      document has changed between the time it was first requested and
+      the If-Modified-Since date of a subsequent request, and the
+
+
+
+Fielding, et al.            Standards Track                   [Page 131]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      possibility of clock-skew-related problems if the If-Modified-
+      Since date is derived from the client's clock without correction
+      to the server's clock. Corrections for different time bases
+      between client and server are at best approximate due to network
+      latency.
+
+   The result of a request having both an If-Modified-Since header field
+   and either an If-Match or an If-Unmodified-Since header fields is
+   undefined by this specification.
+
+14.26 If-None-Match
+
+   The If-None-Match request-header field is used with a method to make
+   it conditional. A client that has one or more entities previously
+   obtained from the resource can verify that none of those entities is
+   current by including a list of their associated entity tags in the
+   If-None-Match header field. The purpose of this feature is to allow
+   efficient updates of cached information with a minimum amount of
+   transaction overhead. It is also used to prevent a method (e.g. PUT)
+   from inadvertently modifying an existing resource when the client
+   believes that the resource does not exist.
+
+   As a special case, the value "*" matches any current entity of the
+   resource.
+
+       If-None-Match = "If-None-Match" ":" ( "*" | 1#entity-tag )
+
+   If any of the entity tags match the entity tag of the entity that
+   would have been returned in the response to a similar GET request
+   (without the If-None-Match header) on that resource, or if "*" is
+   given and any current entity exists for that resource, then the
+   server MUST NOT perform the requested method, unless required to do
+   so because the resource's modification date fails to match that
+   supplied in an If-Modified-Since header field in the request.
+   Instead, if the request method was GET or HEAD, the server SHOULD
+   respond with a 304 (Not Modified) response, including the cache-
+   related header fields (particularly ETag) of one of the entities that
+   matched. For all other request methods, the server MUST respond with
+   a status of 412 (Precondition Failed).
+
+   See section 13.3.3 for rules on how to determine if two entities tags
+   match. The weak comparison function can only be used with GET or HEAD
+   requests.
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 132]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If none of the entity tags match, then the server MAY perform the
+   requested method as if the If-None-Match header field did not exist,
+   but MUST also ignore any If-Modified-Since header field(s) in the
+   request. That is, if no entity tags match, then the server MUST NOT
+   return a 304 (Not Modified) response.
+
+   If the request would, without the If-None-Match header field, result
+   in anything other than a 2xx or 304 status, then the If-None-Match
+   header MUST be ignored. (See section 13.3.4 for a discussion of
+   server behavior when both If-Modified-Since and If-None-Match appear
+   in the same request.)
+
+   The meaning of "If-None-Match: *" is that the method MUST NOT be
+   performed if the representation selected by the origin server (or by
+   a cache, possibly using the Vary mechanism, see section 14.44)
+   exists, and SHOULD be performed if the representation does not exist.
+   This feature is intended to be useful in preventing races between PUT
+   operations.
+
+   Examples:
+
+       If-None-Match: "xyzzy"
+       If-None-Match: W/"xyzzy"
+       If-None-Match: "xyzzy", "r2d2xxxx", "c3piozzzz"
+       If-None-Match: W/"xyzzy", W/"r2d2xxxx", W/"c3piozzzz"
+       If-None-Match: *
+
+   The result of a request having both an If-None-Match header field and
+   either an If-Match or an If-Unmodified-Since header fields is
+   undefined by this specification.
+
+14.27 If-Range
+
+   If a client has a partial copy of an entity in its cache, and wishes
+   to have an up-to-date copy of the entire entity in its cache, it
+   could use the Range request-header with a conditional GET (using
+   either or both of If-Unmodified-Since and If-Match.) However, if the
+   condition fails because the entity has been modified, the client
+   would then have to make a second request to obtain the entire current
+   entity-body.
+
+   The If-Range header allows a client to "short-circuit" the second
+   request. Informally, its meaning is `if the entity is unchanged, send
+   me the part(s) that I am missing; otherwise, send me the entire new
+   entity'.
+
+        If-Range = "If-Range" ":" ( entity-tag | HTTP-date )
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 133]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If the client has no entity tag for an entity, but does have a Last-
+   Modified date, it MAY use that date in an If-Range header. (The
+   server can distinguish between a valid HTTP-date and any form of
+   entity-tag by examining no more than two characters.) The If-Range
+   header SHOULD only be used together with a Range header, and MUST be
+   ignored if the request does not include a Range header, or if the
+   server does not support the sub-range operation.
+
+   If the entity tag given in the If-Range header matches the current
+   entity tag for the entity, then the server SHOULD provide the
+   specified sub-range of the entity using a 206 (Partial content)
+   response. If the entity tag does not match, then the server SHOULD
+   return the entire entity using a 200 (OK) response.
+
+14.28 If-Unmodified-Since
+
+   The If-Unmodified-Since request-header field is used with a method to
+   make it conditional. If the requested resource has not been modified
+   since the time specified in this field, the server SHOULD perform the
+   requested operation as if the If-Unmodified-Since header were not
+   present.
+
+   If the requested variant has been modified since the specified time,
+   the server MUST NOT perform the requested operation, and MUST return
+   a 412 (Precondition Failed).
+
+      If-Unmodified-Since = "If-Unmodified-Since" ":" HTTP-date
+
+   An example of the field is:
+
+       If-Unmodified-Since: Sat, 29 Oct 1994 19:43:31 GMT
+
+   If the request normally (i.e., without the If-Unmodified-Since
+   header) would result in anything other than a 2xx or 412 status, the
+   If-Unmodified-Since header SHOULD be ignored.
+
+   If the specified date is invalid, the header is ignored.
+
+   The result of a request having both an If-Unmodified-Since header
+   field and either an If-None-Match or an If-Modified-Since header
+   fields is undefined by this specification.
+
+14.29 Last-Modified
+
+   The Last-Modified entity-header field indicates the date and time at
+   which the origin server believes the variant was last modified.
+
+       Last-Modified  = "Last-Modified" ":" HTTP-date
+
+
+
+Fielding, et al.            Standards Track                   [Page 134]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   An example of its use is
+
+       Last-Modified: Tue, 15 Nov 1994 12:45:26 GMT
+
+   The exact meaning of this header field depends on the implementation
+   of the origin server and the nature of the original resource. For
+   files, it may be just the file system last-modified time. For
+   entities with dynamically included parts, it may be the most recent
+   of the set of last-modify times for its component parts. For database
+   gateways, it may be the last-update time stamp of the record. For
+   virtual objects, it may be the last time the internal state changed.
+
+   An origin server MUST NOT send a Last-Modified date which is later
+   than the server's time of message origination. In such cases, where
+   the resource's last modification would indicate some time in the
+   future, the server MUST replace that date with the message
+   origination date.
+
+   An origin server SHOULD obtain the Last-Modified value of the entity
+   as close as possible to the time that it generates the Date value of
+   its response. This allows a recipient to make an accurate assessment
+   of the entity's modification time, especially if the entity changes
+   near the time that the response is generated.
+
+   HTTP/1.1 servers SHOULD send Last-Modified whenever feasible.
+
+14.30 Location
+
+   The Location response-header field is used to redirect the recipient
+   to a location other than the Request-URI for completion of the
+   request or identification of a new resource. For 201 (Created)
+   responses, the Location is that of the new resource which was created
+   by the request. For 3xx responses, the location SHOULD indicate the
+   server's preferred URI for automatic redirection to the resource. The
+   field value consists of a single absolute URI.
+
+       Location       = "Location" ":" absoluteURI
+
+   An example is:
+
+       Location: http://www.w3.org/pub/WWW/People.html
+
+      Note: The Content-Location header field (section 14.14) differs
+      from Location in that the Content-Location identifies the original
+      location of the entity enclosed in the request. It is therefore
+      possible for a response to contain header fields for both Location
+      and Content-Location. Also see section 13.10 for cache
+      requirements of some methods.
+
+
+
+Fielding, et al.            Standards Track                   [Page 135]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.31 Max-Forwards
+
+   The Max-Forwards request-header field provides a mechanism with the
+   TRACE (section 9.8) and OPTIONS (section 9.2) methods to limit the
+   number of proxies or gateways that can forward the request to the
+   next inbound server. This can be useful when the client is attempting
+   to trace a request chain which appears to be failing or looping in
+   mid-chain.
+
+       Max-Forwards   = "Max-Forwards" ":" 1*DIGIT
+
+   The Max-Forwards value is a decimal integer indicating the remaining
+   number of times this request message may be forwarded.
+
+   Each proxy or gateway recipient of a TRACE or OPTIONS request
+   containing a Max-Forwards header field MUST check and update its
+   value prior to forwarding the request. If the received value is zero
+   (0), the recipient MUST NOT forward the request; instead, it MUST
+   respond as the final recipient. If the received Max-Forwards value is
+   greater than zero, then the forwarded message MUST contain an updated
+   Max-Forwards field with a value decremented by one (1).
+
+   The Max-Forwards header field MAY be ignored for all other methods
+   defined by this specification and for any extension methods for which
+   it is not explicitly referred to as part of that method definition.
+
+14.32 Pragma
+
+   The Pragma general-header field is used to include implementation-
+   specific directives that might apply to any recipient along the
+   request/response chain. All pragma directives specify optional
+   behavior from the viewpoint of the protocol; however, some systems
+   MAY require that behavior be consistent with the directives.
+
+       Pragma            = "Pragma" ":" 1#pragma-directive
+       pragma-directive  = "no-cache" | extension-pragma
+       extension-pragma  = token [ "=" ( token | quoted-string ) ]
+
+   When the no-cache directive is present in a request message, an
+   application SHOULD forward the request toward the origin server even
+   if it has a cached copy of what is being requested. This pragma
+   directive has the same semantics as the no-cache cache-directive (see
+   section 14.9) and is defined here for backward compatibility with
+   HTTP/1.0. Clients SHOULD include both header fields when a no-cache
+   request is sent to a server not known to be HTTP/1.1 compliant.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 136]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Pragma directives MUST be passed through by a proxy or gateway
+   application, regardless of their significance to that application,
+   since the directives might be applicable to all recipients along the
+   request/response chain. It is not possible to specify a pragma for a
+   specific recipient; however, any pragma directive not relevant to a
+   recipient SHOULD be ignored by that recipient.
+
+   HTTP/1.1 caches SHOULD treat "Pragma: no-cache" as if the client had
+   sent "Cache-Control: no-cache". No new Pragma directives will be
+   defined in HTTP.
+
+      Note: because the meaning of "Pragma: no-cache as a response
+      header field is not actually specified, it does not provide a
+      reliable replacement for "Cache-Control: no-cache" in a response
+
+14.33 Proxy-Authenticate
+
+   The Proxy-Authenticate response-header field MUST be included as part
+   of a 407 (Proxy Authentication Required) response. The field value
+   consists of a challenge that indicates the authentication scheme and
+   parameters applicable to the proxy for this Request-URI.
+
+       Proxy-Authenticate  = "Proxy-Authenticate" ":" 1#challenge
+
+   The HTTP access authentication process is described in "HTTP
+   Authentication: Basic and Digest Access Authentication" [43]. Unlike
+   WWW-Authenticate, the Proxy-Authenticate header field applies only to
+   the current connection and SHOULD NOT be passed on to downstream
+   clients. However, an intermediate proxy might need to obtain its own
+   credentials by requesting them from the downstream client, which in
+   some circumstances will appear as if the proxy is forwarding the
+   Proxy-Authenticate header field.
+
+14.34 Proxy-Authorization
+
+   The Proxy-Authorization request-header field allows the client to
+   identify itself (or its user) to a proxy which requires
+   authentication. The Proxy-Authorization field value consists of
+   credentials containing the authentication information of the user
+   agent for the proxy and/or realm of the resource being requested.
+
+       Proxy-Authorization     = "Proxy-Authorization" ":" credentials
+
+   The HTTP access authentication process is described in "HTTP
+   Authentication: Basic and Digest Access Authentication" [43] . Unlike
+   Authorization, the Proxy-Authorization header field applies only to
+   the next outbound proxy that demanded authentication using the Proxy-
+   Authenticate field. When multiple proxies are used in a chain, the
+
+
+
+Fielding, et al.            Standards Track                   [Page 137]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Proxy-Authorization header field is consumed by the first outbound
+   proxy that was expecting to receive credentials. A proxy MAY relay
+   the credentials from the client request to the next proxy if that is
+   the mechanism by which the proxies cooperatively authenticate a given
+   request.
+
+14.35 Range
+
+14.35.1 Byte Ranges
+
+   Since all HTTP entities are represented in HTTP messages as sequences
+   of bytes, the concept of a byte range is meaningful for any HTTP
+   entity. (However, not all clients and servers need to support byte-
+   range operations.)
+
+   Byte range specifications in HTTP apply to the sequence of bytes in
+   the entity-body (not necessarily the same as the message-body).
+
+   A byte range operation MAY specify a single range of bytes, or a set
+   of ranges within a single entity.
+
+       ranges-specifier = byte-ranges-specifier
+       byte-ranges-specifier = bytes-unit "=" byte-range-set
+       byte-range-set  = 1#( byte-range-spec | suffix-byte-range-spec )
+       byte-range-spec = first-byte-pos "-" [last-byte-pos]
+       first-byte-pos  = 1*DIGIT
+       last-byte-pos   = 1*DIGIT
+
+   The first-byte-pos value in a byte-range-spec gives the byte-offset
+   of the first byte in a range. The last-byte-pos value gives the
+   byte-offset of the last byte in the range; that is, the byte
+   positions specified are inclusive. Byte offsets start at zero.
+
+   If the last-byte-pos value is present, it MUST be greater than or
+   equal to the first-byte-pos in that byte-range-spec, or the byte-
+   range-spec is syntactically invalid. The recipient of a byte-range-
+   set that includes one or more syntactically invalid byte-range-spec
+   values MUST ignore the header field that includes that byte-range-
+   set.
+
+   If the last-byte-pos value is absent, or if the value is greater than
+   or equal to the current length of the entity-body, last-byte-pos is
+   taken to be equal to one less than the current length of the entity-
+   body in bytes.
+
+   By its choice of last-byte-pos, a client can limit the number of
+   bytes retrieved without knowing the size of the entity.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 138]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+       suffix-byte-range-spec = "-" suffix-length
+       suffix-length = 1*DIGIT
+
+   A suffix-byte-range-spec is used to specify the suffix of the
+   entity-body, of a length given by the suffix-length value. (That is,
+   this form specifies the last N bytes of an entity-body.) If the
+   entity is shorter than the specified suffix-length, the entire
+   entity-body is used.
+
+   If a syntactically valid byte-range-set includes at least one byte-
+   range-spec whose first-byte-pos is less than the current length of
+   the entity-body, or at least one suffix-byte-range-spec with a non-
+   zero suffix-length, then the byte-range-set is satisfiable.
+   Otherwise, the byte-range-set is unsatisfiable. If the byte-range-set
+   is unsatisfiable, the server SHOULD return a response with a status
+   of 416 (Requested range not satisfiable). Otherwise, the server
+   SHOULD return a response with a status of 206 (Partial Content)
+   containing the satisfiable ranges of the entity-body.
+
+   Examples of byte-ranges-specifier values (assuming an entity-body of
+   length 10000):
+
+      - The first 500 bytes (byte offsets 0-499, inclusive):  bytes=0-
+        499
+
+      - The second 500 bytes (byte offsets 500-999, inclusive):
+        bytes=500-999
+
+      - The final 500 bytes (byte offsets 9500-9999, inclusive):
+        bytes=-500
+
+      - Or bytes=9500-
+
+      - The first and last bytes only (bytes 0 and 9999):  bytes=0-0,-1
+
+      - Several legal but not canonical specifications of the second 500
+        bytes (byte offsets 500-999, inclusive):
+         bytes=500-600,601-999
+         bytes=500-700,601-999
+
+14.35.2 Range Retrieval Requests
+
+   HTTP retrieval requests using conditional or unconditional GET
+   methods MAY request one or more sub-ranges of the entity, instead of
+   the entire entity, using the Range request header, which applies to
+   the entity returned as the result of the request:
+
+      Range = "Range" ":" ranges-specifier
+
+
+
+Fielding, et al.            Standards Track                   [Page 139]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   A server MAY ignore the Range header. However, HTTP/1.1 origin
+   servers and intermediate caches ought to support byte ranges when
+   possible, since Range supports efficient recovery from partially
+   failed transfers, and supports efficient partial retrieval of large
+   entities.
+
+   If the server supports the Range header and the specified range or
+   ranges are appropriate for the entity:
+
+      - The presence of a Range header in an unconditional GET modifies
+        what is returned if the GET is otherwise successful. In other
+        words, the response carries a status code of 206 (Partial
+        Content) instead of 200 (OK).
+
+      - The presence of a Range header in a conditional GET (a request
+        using one or both of If-Modified-Since and If-None-Match, or
+        one or both of If-Unmodified-Since and If-Match) modifies what
+        is returned if the GET is otherwise successful and the
+        condition is true. It does not affect the 304 (Not Modified)
+        response returned if the conditional is false.
+
+   In some cases, it might be more appropriate to use the If-Range
+   header (see section 14.27) in addition to the Range header.
+
+   If a proxy that supports ranges receives a Range request, forwards
+   the request to an inbound server, and receives an entire entity in
+   reply, it SHOULD only return the requested range to its client. It
+   SHOULD store the entire received response in its cache if that is
+   consistent with its cache allocation policies.
+
+14.36 Referer
+
+   The Referer[sic] request-header field allows the client to specify,
+   for the server's benefit, the address (URI) of the resource from
+   which the Request-URI was obtained (the "referrer", although the
+   header field is misspelled.) The Referer request-header allows a
+   server to generate lists of back-links to resources for interest,
+   logging, optimized caching, etc. It also allows obsolete or mistyped
+   links to be traced for maintenance. The Referer field MUST NOT be
+   sent if the Request-URI was obtained from a source that does not have
+   its own URI, such as input from the user keyboard.
+
+       Referer        = "Referer" ":" ( absoluteURI | relativeURI )
+
+   Example:
+
+       Referer: http://www.w3.org/hypertext/DataSources/Overview.html
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 140]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If the field value is a relative URI, it SHOULD be interpreted
+   relative to the Request-URI. The URI MUST NOT include a fragment. See
+   section 15.1.3 for security considerations.
+
+14.37 Retry-After
+
+   The Retry-After response-header field can be used with a 503 (Service
+   Unavailable) response to indicate how long the service is expected to
+   be unavailable to the requesting client. This field MAY also be used
+   with any 3xx (Redirection) response to indicate the minimum time the
+   user-agent is asked wait before issuing the redirected request. The
+   value of this field can be either an HTTP-date or an integer number
+   of seconds (in decimal) after the time of the response.
+
+       Retry-After  = "Retry-After" ":" ( HTTP-date | delta-seconds )
+
+   Two examples of its use are
+
+       Retry-After: Fri, 31 Dec 1999 23:59:59 GMT
+       Retry-After: 120
+
+   In the latter example, the delay is 2 minutes.
+
+14.38 Server
+
+   The Server response-header field contains information about the
+   software used by the origin server to handle the request. The field
+   can contain multiple product tokens (section 3.8) and comments
+   identifying the server and any significant subproducts. The product
+   tokens are listed in order of their significance for identifying the
+   application.
+
+       Server         = "Server" ":" 1*( product | comment )
+
+   Example:
+
+       Server: CERN/3.0 libwww/2.17
+
+   If the response is being forwarded through a proxy, the proxy
+   application MUST NOT modify the Server response-header. Instead, it
+   SHOULD include a Via field (as described in section 14.45).
+
+      Note: Revealing the specific software version of the server might
+      allow the server machine to become more vulnerable to attacks
+      against software that is known to contain security holes. Server
+      implementors are encouraged to make this field a configurable
+      option.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 141]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+14.39 TE
+
+   The TE request-header field indicates what extension transfer-codings
+   it is willing to accept in the response and whether or not it is
+   willing to accept trailer fields in a chunked transfer-coding. Its
+   value may consist of the keyword "trailers" and/or a comma-separated
+   list of extension transfer-coding names with optional accept
+   parameters (as described in section 3.6).
+
+       TE        = "TE" ":" #( t-codings )
+       t-codings = "trailers" | ( transfer-extension [ accept-params ] )
+
+   The presence of the keyword "trailers" indicates that the client is
+   willing to accept trailer fields in a chunked transfer-coding, as
+   defined in section 3.6.1. This keyword is reserved for use with
+   transfer-coding values even though it does not itself represent a
+   transfer-coding.
+
+   Examples of its use are:
+
+       TE: deflate
+       TE:
+       TE: trailers, deflate;q=0.5
+
+   The TE header field only applies to the immediate connection.
+   Therefore, the keyword MUST be supplied within a Connection header
+   field (section 14.10) whenever TE is present in an HTTP/1.1 message.
+
+   A server tests whether a transfer-coding is acceptable, according to
+   a TE field, using these rules:
+
+      1. The "chunked" transfer-coding is always acceptable. If the
+         keyword "trailers" is listed, the client indicates that it is
+         willing to accept trailer fields in the chunked response on
+         behalf of itself and any downstream clients. The implication is
+         that, if given, the client is stating that either all
+         downstream clients are willing to accept trailer fields in the
+         forwarded response, or that it will attempt to buffer the
+         response on behalf of downstream recipients.
+
+         Note: HTTP/1.1 does not define any means to limit the size of a
+         chunked response such that a client can be assured of buffering
+         the entire response.
+
+      2. If the transfer-coding being tested is one of the transfer-
+         codings listed in the TE field, then it is acceptable unless it
+         is accompanied by a qvalue of 0. (As defined in section 3.9, a
+         qvalue of 0 means "not acceptable.")
+
+
+
+Fielding, et al.            Standards Track                   [Page 142]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      3. If multiple transfer-codings are acceptable, then the
+         acceptable transfer-coding with the highest non-zero qvalue is
+         preferred.  The "chunked" transfer-coding always has a qvalue
+         of 1.
+
+   If the TE field-value is empty or if no TE field is present, the only
+   transfer-coding  is "chunked". A message with no transfer-coding is
+   always acceptable.
+
+14.40 Trailer
+
+   The Trailer general field value indicates that the given set of
+   header fields is present in the trailer of a message encoded with
+   chunked transfer-coding.
+
+       Trailer  = "Trailer" ":" 1#field-name
+
+   An HTTP/1.1 message SHOULD include a Trailer header field in a
+   message using chunked transfer-coding with a non-empty trailer. Doing
+   so allows the recipient to know which header fields to expect in the
+   trailer.
+
+   If no Trailer header field is present, the trailer SHOULD NOT include
+   any header fields. See section 3.6.1 for restrictions on the use of
+   trailer fields in a "chunked" transfer-coding.
+
+   Message header fields listed in the Trailer header field MUST NOT
+   include the following header fields:
+
+      . Transfer-Encoding
+
+      . Content-Length
+
+      . Trailer
+
+14.41 Transfer-Encoding
+
+   The Transfer-Encoding general-header field indicates what (if any)
+   type of transformation has been applied to the message body in order
+   to safely transfer it between the sender and the recipient. This
+   differs from the content-coding in that the transfer-coding is a
+   property of the message, not of the entity.
+
+     Transfer-Encoding       = "Transfer-Encoding" ":" 1#transfer-coding
+
+   Transfer-codings are defined in section 3.6. An example is:
+
+     Transfer-Encoding: chunked
+
+
+
+Fielding, et al.            Standards Track                   [Page 143]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   If multiple encodings have been applied to an entity, the transfer-
+   codings MUST be listed in the order in which they were applied.
+   Additional information about the encoding parameters MAY be provided
+   by other entity-header fields not defined by this specification.
+
+   Many older HTTP/1.0 applications do not understand the Transfer-
+   Encoding header.
+
+14.42 Upgrade
+
+   The Upgrade general-header allows the client to specify what
+   additional communication protocols it supports and would like to use
+   if the server finds it appropriate to switch protocols. The server
+   MUST use the Upgrade header field within a 101 (Switching Protocols)
+   response to indicate which protocol(s) are being switched.
+
+       Upgrade        = "Upgrade" ":" 1#product
+
+   For example,
+
+       Upgrade: HTTP/2.0, SHTTP/1.3, IRC/6.9, RTA/x11
+
+   The Upgrade header field is intended to provide a simple mechanism
+   for transition from HTTP/1.1 to some other, incompatible protocol. It
+   does so by allowing the client to advertise its desire to use another
+   protocol, such as a later version of HTTP with a higher major version
+   number, even though the current request has been made using HTTP/1.1.
+   This eases the difficult transition between incompatible protocols by
+   allowing the client to initiate a request in the more commonly
+   supported protocol while indicating to the server that it would like
+   to use a "better" protocol if available (where "better" is determined
+   by the server, possibly according to the nature of the method and/or
+   resource being requested).
+
+   The Upgrade header field only applies to switching application-layer
+   protocols upon the existing transport-layer connection. Upgrade
+   cannot be used to insist on a protocol change; its acceptance and use
+   by the server is optional. The capabilities and nature of the
+   application-layer communication after the protocol change is entirely
+   dependent upon the new protocol chosen, although the first action
+   after changing the protocol MUST be a response to the initial HTTP
+   request containing the Upgrade header field.
+
+   The Upgrade header field only applies to the immediate connection.
+   Therefore, the upgrade keyword MUST be supplied within a Connection
+   header field (section 14.10) whenever Upgrade is present in an
+   HTTP/1.1 message.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 144]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The Upgrade header field cannot be used to indicate a switch to a
+   protocol on a different connection. For that purpose, it is more
+   appropriate to use a 301, 302, 303, or 305 redirection response.
+
+   This specification only defines the protocol name "HTTP" for use by
+   the family of Hypertext Transfer Protocols, as defined by the HTTP
+   version rules of section 3.1 and future updates to this
+   specification. Any token can be used as a protocol name; however, it
+   will only be useful if both the client and server associate the name
+   with the same protocol.
+
+14.43 User-Agent
+
+   The User-Agent request-header field contains information about the
+   user agent originating the request. This is for statistical purposes,
+   the tracing of protocol violations, and automated recognition of user
+   agents for the sake of tailoring responses to avoid particular user
+   agent limitations. User agents SHOULD include this field with
+   requests. The field can contain multiple product tokens (section 3.8)
+   and comments identifying the agent and any subproducts which form a
+   significant part of the user agent. By convention, the product tokens
+   are listed in order of their significance for identifying the
+   application.
+
+       User-Agent     = "User-Agent" ":" 1*( product | comment )
+
+   Example:
+
+       User-Agent: CERN-LineMode/2.15 libwww/2.17b3
+
+14.44 Vary
+
+   The Vary field value indicates the set of request-header fields that
+   fully determines, while the response is fresh, whether a cache is
+   permitted to use the response to reply to a subsequent request
+   without revalidation. For uncacheable or stale responses, the Vary
+   field value advises the user agent about the criteria that were used
+   to select the representation. A Vary field value of "*" implies that
+   a cache cannot determine from the request headers of a subsequent
+   request whether this response is the appropriate representation. See
+   section 13.6 for use of the Vary header field by caches.
+
+       Vary  = "Vary" ":" ( "*" | 1#field-name )
+
+   An HTTP/1.1 server SHOULD include a Vary header field with any
+   cacheable response that is subject to server-driven negotiation.
+   Doing so allows a cache to properly interpret future requests on that
+   resource and informs the user agent about the presence of negotiation
+
+
+
+Fielding, et al.            Standards Track                   [Page 145]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   on that resource. A server MAY include a Vary header field with a
+   non-cacheable response that is subject to server-driven negotiation,
+   since this might provide the user agent with useful information about
+   the dimensions over which the response varies at the time of the
+   response.
+
+   A Vary field value consisting of a list of field-names signals that
+   the representation selected for the response is based on a selection
+   algorithm which considers ONLY the listed request-header field values
+   in selecting the most appropriate representation. A cache MAY assume
+   that the same selection will be made for future requests with the
+   same values for the listed field names, for the duration of time for
+   which the response is fresh.
+
+   The field-names given are not limited to the set of standard
+   request-header fields defined by this specification. Field names are
+   case-insensitive.
+
+   A Vary field value of "*" signals that unspecified parameters not
+   limited to the request-headers (e.g., the network address of the
+   client), play a role in the selection of the response representation.
+   The "*" value MUST NOT be generated by a proxy server; it may only be
+   generated by an origin server.
+
+14.45  Via
+
+   The Via general-header field MUST be used by gateways and proxies to
+   indicate the intermediate protocols and recipients between the user
+   agent and the server on requests, and between the origin server and
+   the client on responses. It is analogous to the "Received" field of
+   RFC 822 [9] and is intended to be used for tracking message forwards,
+   avoiding request loops, and identifying the protocol capabilities of
+   all senders along the request/response chain.
+
+      Via =  "Via" ":" 1#( received-protocol received-by [ comment ] )
+      received-protocol = [ protocol-name "/" ] protocol-version
+      protocol-name     = token
+      protocol-version  = token
+      received-by       = ( host [ ":" port ] ) | pseudonym
+      pseudonym         = token
+
+   The received-protocol indicates the protocol version of the message
+   received by the server or client along each segment of the
+   request/response chain. The received-protocol version is appended to
+   the Via field value when the message is forwarded so that information
+   about the protocol capabilities of upstream applications remains
+   visible to all recipients.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 146]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The protocol-name is optional if and only if it would be "HTTP". The
+   received-by field is normally the host and optional port number of a
+   recipient server or client that subsequently forwarded the message.
+   However, if the real host is considered to be sensitive information,
+   it MAY be replaced by a pseudonym. If the port is not given, it MAY
+   be assumed to be the default port of the received-protocol.
+
+   Multiple Via field values represents each proxy or gateway that has
+   forwarded the message. Each recipient MUST append its information
+   such that the end result is ordered according to the sequence of
+   forwarding applications.
+
+   Comments MAY be used in the Via header field to identify the software
+   of the recipient proxy or gateway, analogous to the User-Agent and
+   Server header fields. However, all comments in the Via field are
+   optional and MAY be removed by any recipient prior to forwarding the
+   message.
+
+   For example, a request message could be sent from an HTTP/1.0 user
+   agent to an internal proxy code-named "fred", which uses HTTP/1.1 to
+   forward the request to a public proxy at nowhere.com, which completes
+   the request by forwarding it to the origin server at www.ics.uci.edu.
+   The request received by www.ics.uci.edu would then have the following
+   Via header field:
+
+       Via: 1.0 fred, 1.1 nowhere.com (Apache/1.1)
+
+   Proxies and gateways used as a portal through a network firewall
+   SHOULD NOT, by default, forward the names and ports of hosts within
+   the firewall region. This information SHOULD only be propagated if
+   explicitly enabled. If not enabled, the received-by host of any host
+   behind the firewall SHOULD be replaced by an appropriate pseudonym
+   for that host.
+
+   For organizations that have strong privacy requirements for hiding
+   internal structures, a proxy MAY combine an ordered subsequence of
+   Via header field entries with identical received-protocol values into
+   a single such entry. For example,
+
+       Via: 1.0 ricky, 1.1 ethel, 1.1 fred, 1.0 lucy
+
+        could be collapsed to
+
+       Via: 1.0 ricky, 1.1 mertz, 1.0 lucy
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 147]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Applications SHOULD NOT combine multiple entries unless they are all
+   under the same organizational control and the hosts have already been
+   replaced by pseudonyms. Applications MUST NOT combine entries which
+   have different received-protocol values.
+
+14.46 Warning
+
+   The Warning general-header field is used to carry additional
+   information about the status or transformation of a message which
+   might not be reflected in the message. This information is typically
+   used to warn about a possible lack of semantic transparency from
+   caching operations or transformations applied to the entity body of
+   the message.
+
+   Warning headers are sent with responses using:
+
+       Warning    = "Warning" ":" 1#warning-value
+
+       warning-value = warn-code SP warn-agent SP warn-text
+                                             [SP warn-date]
+
+       warn-code  = 3DIGIT
+       warn-agent = ( host [ ":" port ] ) | pseudonym
+                       ; the name or pseudonym of the server adding
+                       ; the Warning header, for use in debugging
+       warn-text  = quoted-string
+       warn-date  = <"> HTTP-date <">
+
+   A response MAY carry more than one Warning header.
+
+   The warn-text SHOULD be in a natural language and character set that
+   is most likely to be intelligible to the human user receiving the
+   response. This decision MAY be based on any available knowledge, such
+   as the location of the cache or user, the Accept-Language field in a
+   request, the Content-Language field in a response, etc. The default
+   language is English and the default character set is ISO-8859-1.
+
+   If a character set other than ISO-8859-1 is used, it MUST be encoded
+   in the warn-text using the method described in RFC 2047 [14].
+
+   Warning headers can in general be applied to any message, however
+   some specific warn-codes are specific to caches and can only be
+   applied to response messages. New Warning headers SHOULD be added
+   after any existing Warning headers. A cache MUST NOT delete any
+   Warning header that it received with a message. However, if a cache
+   successfully validates a cache entry, it SHOULD remove any Warning
+   headers previously attached to that entry except as specified for
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 148]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   specific Warning codes. It MUST then add any Warning headers received
+   in the validating response. In other words, Warning headers are those
+   that would be attached to the most recent relevant response.
+
+   When multiple Warning headers are attached to a response, the user
+   agent ought to inform the user of as many of them as possible, in the
+   order that they appear in the response. If it is not possible to
+   inform the user of all of the warnings, the user agent SHOULD follow
+   these heuristics:
+
+      - Warnings that appear early in the response take priority over
+        those appearing later in the response.
+
+      - Warnings in the user's preferred character set take priority
+        over warnings in other character sets but with identical warn-
+        codes and warn-agents.
+
+   Systems that generate multiple Warning headers SHOULD order them with
+   this user agent behavior in mind.
+
+   Requirements for the behavior of caches with respect to Warnings are
+   stated in section 13.1.2.
+
+   This is a list of the currently-defined warn-codes, each with a
+   recommended warn-text in English, and a description of its meaning.
+
+   110 Response is stale
+     MUST be included whenever the returned response is stale.
+
+   111 Revalidation failed
+     MUST be included if a cache returns a stale response because an
+     attempt to revalidate the response failed, due to an inability to
+     reach the server.
+
+   112 Disconnected operation
+     SHOULD be included if the cache is intentionally disconnected from
+     the rest of the network for a period of time.
+
+   113 Heuristic expiration
+     MUST be included if the cache heuristically chose a freshness
+     lifetime greater than 24 hours and the response's age is greater
+     than 24 hours.
+
+   199 Miscellaneous warning
+     The warning text MAY include arbitrary information to be presented
+     to a human user, or logged. A system receiving this warning MUST
+     NOT take any automated action, besides presenting the warning to
+     the user.
+
+
+
+Fielding, et al.            Standards Track                   [Page 149]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   214 Transformation applied
+     MUST be added by an intermediate cache or proxy if it applies any
+     transformation changing the content-coding (as specified in the
+     Content-Encoding header) or media-type (as specified in the
+     Content-Type header) of the response, or the entity-body of the
+     response, unless this Warning code already appears in the response.
+
+   299 Miscellaneous persistent warning
+     The warning text MAY include arbitrary information to be presented
+     to a human user, or logged. A system receiving this warning MUST
+     NOT take any automated action.
+
+   If an implementation sends a message with one or more Warning headers
+   whose version is HTTP/1.0 or lower, then the sender MUST include in
+   each warning-value a warn-date that matches the date in the response.
+
+   If an implementation receives a message with a warning-value that
+   includes a warn-date, and that warn-date is different from the Date
+   value in the response, then that warning-value MUST be deleted from
+   the message before storing, forwarding, or using it. (This prevents
+   bad consequences of naive caching of Warning header fields.) If all
+   of the warning-values are deleted for this reason, the Warning header
+   MUST be deleted as well.
+
+14.47 WWW-Authenticate
+
+   The WWW-Authenticate response-header field MUST be included in 401
+   (Unauthorized) response messages. The field value consists of at
+   least one challenge that indicates the authentication scheme(s) and
+   parameters applicable to the Request-URI.
+
+       WWW-Authenticate  = "WWW-Authenticate" ":" 1#challenge
+
+   The HTTP access authentication process is described in "HTTP
+   Authentication: Basic and Digest Access Authentication" [43]. User
+   agents are advised to take special care in parsing the WWW-
+   Authenticate field value as it might contain more than one challenge,
+   or if more than one WWW-Authenticate header field is provided, the
+   contents of a challenge itself can contain a comma-separated list of
+   authentication parameters.
+
+15 Security Considerations
+
+   This section is meant to inform application developers, information
+   providers, and users of the security limitations in HTTP/1.1 as
+   described by this document. The discussion does not include
+   definitive solutions to the problems revealed, though it does make
+   some suggestions for reducing security risks.
+
+
+
+Fielding, et al.            Standards Track                   [Page 150]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+15.1 Personal Information
+
+   HTTP clients are often privy to large amounts of personal information
+   (e.g. the user's name, location, mail address, passwords, encryption
+   keys, etc.), and SHOULD be very careful to prevent unintentional
+   leakage of this information via the HTTP protocol to other sources.
+   We very strongly recommend that a convenient interface be provided
+   for the user to control dissemination of such information, and that
+   designers and implementors be particularly careful in this area.
+   History shows that errors in this area often create serious security
+   and/or privacy problems and generate highly adverse publicity for the
+   implementor's company.
+
+15.1.1 Abuse of Server Log Information
+
+   A server is in the position to save personal data about a user's
+   requests which might identify their reading patterns or subjects of
+   interest. This information is clearly confidential in nature and its
+   handling can be constrained by law in certain countries. People using
+   the HTTP protocol to provide data are responsible for ensuring that
+   such material is not distributed without the permission of any
+   individuals that are identifiable by the published results.
+
+15.1.2 Transfer of Sensitive Information
+
+   Like any generic data transfer protocol, HTTP cannot regulate the
+   content of the data that is transferred, nor is there any a priori
+   method of determining the sensitivity of any particular piece of
+   information within the context of any given request. Therefore,
+   applications SHOULD supply as much control over this information as
+   possible to the provider of that information. Four header fields are
+   worth special mention in this context: Server, Via, Referer and From.
+
+   Revealing the specific software version of the server might allow the
+   server machine to become more vulnerable to attacks against software
+   that is known to contain security holes. Implementors SHOULD make the
+   Server header field a configurable option.
+
+   Proxies which serve as a portal through a network firewall SHOULD
+   take special precautions regarding the transfer of header information
+   that identifies the hosts behind the firewall. In particular, they
+   SHOULD remove, or replace with sanitized versions, any Via fields
+   generated behind the firewall.
+
+   The Referer header allows reading patterns to be studied and reverse
+   links drawn. Although it can be very useful, its power can be abused
+   if user details are not separated from the information contained in
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 151]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   the Referer. Even when the personal information has been removed, the
+   Referer header might indicate a private document's URI whose
+   publication would be inappropriate.
+
+   The information sent in the From field might conflict with the user's
+   privacy interests or their site's security policy, and hence it
+   SHOULD NOT be transmitted without the user being able to disable,
+   enable, and modify the contents of the field. The user MUST be able
+   to set the contents of this field within a user preference or
+   application defaults configuration.
+
+   We suggest, though do not require, that a convenient toggle interface
+   be provided for the user to enable or disable the sending of From and
+   Referer information.
+
+   The User-Agent (section 14.43) or Server (section 14.38) header
+   fields can sometimes be used to determine that a specific client or
+   server have a particular security hole which might be exploited.
+   Unfortunately, this same information is often used for other valuable
+   purposes for which HTTP currently has no better mechanism.
+
+15.1.3 Encoding Sensitive Information in URI's
+
+   Because the source of a link might be private information or might
+   reveal an otherwise private information source, it is strongly
+   recommended that the user be able to select whether or not the
+   Referer field is sent. For example, a browser client could have a
+   toggle switch for browsing openly/anonymously, which would
+   respectively enable/disable the sending of Referer and From
+   information.
+
+   Clients SHOULD NOT include a Referer header field in a (non-secure)
+   HTTP request if the referring page was transferred with a secure
+   protocol.
+
+   Authors of services which use the HTTP protocol SHOULD NOT use GET
+   based forms for the submission of sensitive data, because this will
+   cause this data to be encoded in the Request-URI. Many existing
+   servers, proxies, and user agents will log the request URI in some
+   place where it might be visible to third parties. Servers can use
+   POST-based form submission instead
+
+15.1.4 Privacy Issues Connected to Accept Headers
+
+   Accept request-headers can reveal information about the user to all
+   servers which are accessed. The Accept-Language header in particular
+   can reveal information the user would consider to be of a private
+   nature, because the understanding of particular languages is often
+
+
+
+Fielding, et al.            Standards Track                   [Page 152]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   strongly correlated to the membership of a particular ethnic group.
+   User agents which offer the option to configure the contents of an
+   Accept-Language header to be sent in every request are strongly
+   encouraged to let the configuration process include a message which
+   makes the user aware of the loss of privacy involved.
+
+   An approach that limits the loss of privacy would be for a user agent
+   to omit the sending of Accept-Language headers by default, and to ask
+   the user whether or not to start sending Accept-Language headers to a
+   server if it detects, by looking for any Vary response-header fields
+   generated by the server, that such sending could improve the quality
+   of service.
+
+   Elaborate user-customized accept header fields sent in every request,
+   in particular if these include quality values, can be used by servers
+   as relatively reliable and long-lived user identifiers. Such user
+   identifiers would allow content providers to do click-trail tracking,
+   and would allow collaborating content providers to match cross-server
+   click-trails or form submissions of individual users. Note that for
+   many users not behind a proxy, the network address of the host
+   running the user agent will also serve as a long-lived user
+   identifier. In environments where proxies are used to enhance
+   privacy, user agents ought to be conservative in offering accept
+   header configuration options to end users. As an extreme privacy
+   measure, proxies could filter the accept headers in relayed requests.
+   General purpose user agents which provide a high degree of header
+   configurability SHOULD warn users about the loss of privacy which can
+   be involved.
+
+15.2 Attacks Based On File and Path Names
+
+   Implementations of HTTP origin servers SHOULD be careful to restrict
+   the documents returned by HTTP requests to be only those that were
+   intended by the server administrators. If an HTTP server translates
+   HTTP URIs directly into file system calls, the server MUST take
+   special care not to serve files that were not intended to be
+   delivered to HTTP clients. For example, UNIX, Microsoft Windows, and
+   other operating systems use ".." as a path component to indicate a
+   directory level above the current one. On such a system, an HTTP
+   server MUST disallow any such construct in the Request-URI if it
+   would otherwise allow access to a resource outside those intended to
+   be accessible via the HTTP server. Similarly, files intended for
+   reference only internally to the server (such as access control
+   files, configuration files, and script code) MUST be protected from
+   inappropriate retrieval, since they might contain sensitive
+   information. Experience has shown that minor bugs in such HTTP server
+   implementations have turned into security risks.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 153]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+15.3 DNS Spoofing
+
+   Clients using HTTP rely heavily on the Domain Name Service, and are
+   thus generally prone to security attacks based on the deliberate
+   mis-association of IP addresses and DNS names. Clients need to be
+   cautious in assuming the continuing validity of an IP number/DNS name
+   association.
+
+   In particular, HTTP clients SHOULD rely on their name resolver for
+   confirmation of an IP number/DNS name association, rather than
+   caching the result of previous host name lookups. Many platforms
+   already can cache host name lookups locally when appropriate, and
+   they SHOULD be configured to do so. It is proper for these lookups to
+   be cached, however, only when the TTL (Time To Live) information
+   reported by the name server makes it likely that the cached
+   information will remain useful.
+
+   If HTTP clients cache the results of host name lookups in order to
+   achieve a performance improvement, they MUST observe the TTL
+   information reported by DNS.
+
+   If HTTP clients do not observe this rule, they could be spoofed when
+   a previously-accessed server's IP address changes. As network
+   renumbering is expected to become increasingly common [24], the
+   possibility of this form of attack will grow. Observing this
+   requirement thus reduces this potential security vulnerability.
+
+   This requirement also improves the load-balancing behavior of clients
+   for replicated servers using the same DNS name and reduces the
+   likelihood of a user's experiencing failure in accessing sites which
+   use that strategy.
+
+15.4 Location Headers and Spoofing
+
+   If a single server supports multiple organizations that do not trust
+   one another, then it MUST check the values of Location and Content-
+   Location headers in responses that are generated under control of
+   said organizations to make sure that they do not attempt to
+   invalidate resources over which they have no authority.
+
+15.5 Content-Disposition Issues
+
+   RFC 1806 [35], from which the often implemented Content-Disposition
+   (see section 19.5.1) header in HTTP is derived, has a number of very
+   serious security considerations. Content-Disposition is not part of
+   the HTTP standard, but since it is widely implemented, we are
+   documenting its use and risks for implementors. See RFC 2183 [49]
+   (which updates RFC 1806) for details.
+
+
+
+Fielding, et al.            Standards Track                   [Page 154]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+15.6 Authentication Credentials and Idle Clients
+
+   Existing HTTP clients and user agents typically retain authentication
+   information indefinitely. HTTP/1.1. does not provide a method for a
+   server to direct clients to discard these cached credentials. This is
+   a significant defect that requires further extensions to HTTP.
+   Circumstances under which credential caching can interfere with the
+   application's security model include but are not limited to:
+
+      - Clients which have been idle for an extended period following
+        which the server might wish to cause the client to reprompt the
+        user for credentials.
+
+      - Applications which include a session termination indication
+        (such as a `logout' or `commit' button on a page) after which
+        the server side of the application `knows' that there is no
+        further reason for the client to retain the credentials.
+
+   This is currently under separate study. There are a number of work-
+   arounds to parts of this problem, and we encourage the use of
+   password protection in screen savers, idle time-outs, and other
+   methods which mitigate the security problems inherent in this
+   problem. In particular, user agents which cache credentials are
+   encouraged to provide a readily accessible mechanism for discarding
+   cached credentials under user control.
+
+15.7 Proxies and Caching
+
+   By their very nature, HTTP proxies are men-in-the-middle, and
+   represent an opportunity for man-in-the-middle attacks. Compromise of
+   the systems on which the proxies run can result in serious security
+   and privacy problems. Proxies have access to security-related
+   information, personal information about individual users and
+   organizations, and proprietary information belonging to users and
+   content providers. A compromised proxy, or a proxy implemented or
+   configured without regard to security and privacy considerations,
+   might be used in the commission of a wide range of potential attacks.
+
+   Proxy operators should protect the systems on which proxies run as
+   they would protect any system that contains or transports sensitive
+   information. In particular, log information gathered at proxies often
+   contains highly sensitive personal information, and/or information
+   about organizations. Log information should be carefully guarded, and
+   appropriate guidelines for use developed and followed. (Section
+   15.1.1).
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 155]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Caching proxies provide additional potential vulnerabilities, since
+   the contents of the cache represent an attractive target for
+   malicious exploitation. Because cache contents persist after an HTTP
+   request is complete, an attack on the cache can reveal information
+   long after a user believes that the information has been removed from
+   the network. Therefore, cache contents should be protected as
+   sensitive information.
+
+   Proxy implementors should consider the privacy and security
+   implications of their design and coding decisions, and of the
+   configuration options they provide to proxy operators (especially the
+   default configuration).
+
+   Users of a proxy need to be aware that they are no trustworthier than
+   the people who run the proxy; HTTP itself cannot solve this problem.
+
+   The judicious use of cryptography, when appropriate, may suffice to
+   protect against a broad range of security and privacy attacks. Such
+   cryptography is beyond the scope of the HTTP/1.1 specification.
+
+15.7.1 Denial of Service Attacks on Proxies
+
+   They exist. They are hard to defend against. Research continues.
+   Beware.
+
+16 Acknowledgments
+
+   This specification makes heavy use of the augmented BNF and generic
+   constructs defined by David H. Crocker for RFC 822 [9]. Similarly, it
+   reuses many of the definitions provided by Nathaniel Borenstein and
+   Ned Freed for MIME [7]. We hope that their inclusion in this
+   specification will help reduce past confusion over the relationship
+   between HTTP and Internet mail message formats.
+
+   The HTTP protocol has evolved considerably over the years. It has
+   benefited from a large and active developer community--the many
+   people who have participated on the www-talk mailing list--and it is
+   that community which has been most responsible for the success of
+   HTTP and of the World-Wide Web in general. Marc Andreessen, Robert
+   Cailliau, Daniel W. Connolly, Bob Denny, John Franks, Jean-Francois
+   Groff, Phillip M. Hallam-Baker, Hakon W. Lie, Ari Luotonen, Rob
+   McCool, Lou Montulli, Dave Raggett, Tony Sanders, and Marc
+   VanHeyningen deserve special recognition for their efforts in
+   defining early aspects of the protocol.
+
+   This document has benefited greatly from the comments of all those
+   participating in the HTTP-WG. In addition to those already mentioned,
+   the following individuals have contributed to this specification:
+
+
+
+Fielding, et al.            Standards Track                   [Page 156]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+       Gary Adams                  Ross Patterson
+       Harald Tveit Alvestrand     Albert Lunde
+       Keith Ball                  John C. Mallery
+       Brian Behlendorf            Jean-Philippe Martin-Flatin
+       Paul Burchard               Mitra
+       Maurizio Codogno            David Morris
+       Mike Cowlishaw              Gavin Nicol
+       Roman Czyborra              Bill Perry
+       Michael A. Dolan            Jeffrey Perry
+       David J. Fiander            Scott Powers
+       Alan Freier                 Owen Rees
+       Marc Hedlund                Luigi Rizzo
+       Greg Herlihy                David Robinson
+       Koen Holtman                Marc Salomon
+       Alex Hopmann                Rich Salz
+       Bob Jernigan                Allan M. Schiffman
+       Shel Kaphan                 Jim Seidman
+       Rohit Khare                 Chuck Shotton
+       John Klensin                Eric W. Sink
+       Martijn Koster              Simon E. Spero
+       Alexei Kosut                Richard N. Taylor
+       David M. Kristol            Robert S. Thau
+       Daniel LaLiberte            Bill (BearHeart) Weinman
+       Ben Laurie                  Francois Yergeau
+       Paul J. Leach               Mary Ellen Zurko
+       Daniel DuBois               Josh Cohen
+
+
+   Much of the content and presentation of the caching design is due to
+   suggestions and comments from individuals including: Shel Kaphan,
+   Paul Leach, Koen Holtman, David Morris, and Larry Masinter.
+
+   Most of the specification of ranges is based on work originally done
+   by Ari Luotonen and John Franks, with additional input from Steve
+   Zilles.
+
+   Thanks to the "cave men" of Palo Alto. You know who you are.
+
+   Jim Gettys (the current editor of this document) wishes particularly
+   to thank Roy Fielding, the previous editor of this document, along
+   with John Klensin, Jeff Mogul, Paul Leach, Dave Kristol, Koen
+   Holtman, John Franks, Josh Cohen, Alex Hopmann, Scott Lawrence, and
+   Larry Masinter for their help. And thanks go particularly to Jeff
+   Mogul and Scott Lawrence for performing the "MUST/MAY/SHOULD" audit.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 157]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   The Apache Group, Anselm Baird-Smith, author of Jigsaw, and Henrik
+   Frystyk implemented RFC 2068 early, and we wish to thank them for the
+   discovery of many of the problems that this document attempts to
+   rectify.
+
+17 References
+
+   [1] Alvestrand, H., "Tags for the Identification of Languages", RFC
+       1766, March 1995.
+
+   [2] Anklesaria, F., McCahill, M., Lindner, P., Johnson, D., Torrey,
+       D. and B. Alberti, "The Internet Gopher Protocol (a distributed
+       document search and retrieval protocol)", RFC 1436, March 1993.
+
+   [3] Berners-Lee, T., "Universal Resource Identifiers in WWW", RFC
+       1630, June 1994.
+
+   [4] Berners-Lee, T., Masinter, L. and M. McCahill, "Uniform Resource
+       Locators (URL)", RFC 1738, December 1994.
+
+   [5] Berners-Lee, T. and D. Connolly, "Hypertext Markup Language -
+       2.0", RFC 1866, November 1995.
+
+   [6] Berners-Lee, T., Fielding, R. and H. Frystyk, "Hypertext Transfer
+       Protocol -- HTTP/1.0", RFC 1945, May 1996.
+
+   [7] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+       Extensions (MIME) Part One: Format of Internet Message Bodies",
+       RFC 2045, November 1996.
+
+   [8] Braden, R., "Requirements for Internet Hosts -- Communication
+       Layers", STD 3, RFC 1123, October 1989.
+
+   [9] Crocker, D., "Standard for The Format of ARPA Internet Text
+       Messages", STD 11, RFC 822, August 1982.
+
+   [10] Davis, F., Kahle, B., Morris, H., Salem, J., Shen, T., Wang, R.,
+        Sui, J., and M. Grinbaum, "WAIS Interface Protocol Prototype
+        Functional Specification," (v1.5), Thinking Machines
+        Corporation, April 1990.
+
+   [11] Fielding, R., "Relative Uniform Resource Locators", RFC 1808,
+        June 1995.
+
+   [12] Horton, M. and R. Adams, "Standard for Interchange of USENET
+        Messages", RFC 1036, December 1987.
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 158]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   [13] Kantor, B. and P. Lapsley, "Network News Transfer Protocol", RFC
+        977, February 1986.
+
+   [14] Moore, K., "MIME (Multipurpose Internet Mail Extensions) Part
+        Three: Message Header Extensions for Non-ASCII Text", RFC 2047,
+        November 1996.
+
+   [15] Nebel, E. and L. Masinter, "Form-based File Upload in HTML", RFC
+        1867, November 1995.
+
+   [16] Postel, J., "Simple Mail Transfer Protocol", STD 10, RFC 821,
+        August 1982.
+
+   [17] Postel, J., "Media Type Registration Procedure", RFC 1590,
+        November 1996.
+
+   [18] Postel, J. and J. Reynolds, "File Transfer Protocol", STD 9, RFC
+        959, October 1985.
+
+   [19] Reynolds, J. and J. Postel, "Assigned Numbers", STD 2, RFC 1700,
+        October 1994.
+
+   [20] Sollins, K. and L. Masinter, "Functional Requirements for
+        Uniform Resource Names", RFC 1737, December 1994.
+
+   [21] US-ASCII. Coded Character Set - 7-Bit American Standard Code for
+        Information Interchange. Standard ANSI X3.4-1986, ANSI, 1986.
+
+   [22] ISO-8859. International Standard -- Information Processing --
+        8-bit Single-Byte Coded Graphic Character Sets --
+        Part 1: Latin alphabet No. 1, ISO-8859-1:1987.
+        Part 2: Latin alphabet No. 2, ISO-8859-2, 1987.
+        Part 3: Latin alphabet No. 3, ISO-8859-3, 1988.
+        Part 4: Latin alphabet No. 4, ISO-8859-4, 1988.
+        Part 5: Latin/Cyrillic alphabet, ISO-8859-5, 1988.
+        Part 6: Latin/Arabic alphabet, ISO-8859-6, 1987.
+        Part 7: Latin/Greek alphabet, ISO-8859-7, 1987.
+        Part 8: Latin/Hebrew alphabet, ISO-8859-8, 1988.
+        Part 9: Latin alphabet No. 5, ISO-8859-9, 1990.
+
+   [23] Meyers, J. and M. Rose, "The Content-MD5 Header Field", RFC
+        1864, October 1995.
+
+   [24] Carpenter, B. and Y. Rekhter, "Renumbering Needs Work", RFC
+        1900, February 1996.
+
+   [25] Deutsch, P., "GZIP file format specification version 4.3", RFC
+        1952, May 1996.
+
+
+
+Fielding, et al.            Standards Track                   [Page 159]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   [26] Venkata N. Padmanabhan, and Jeffrey C. Mogul. "Improving HTTP
+        Latency", Computer Networks and ISDN Systems, v. 28, pp. 25-35,
+        Dec. 1995. Slightly revised version of paper in Proc. 2nd
+        International WWW Conference '94: Mosaic and the Web, Oct. 1994,
+        which is available at
+        http://www.ncsa.uiuc.edu/SDG/IT94/Proceedings/DDay/mogul/HTTPLat
+        ency.html.
+
+   [27] Joe Touch, John Heidemann, and Katia Obraczka. "Analysis of HTTP
+        Performance", <URL: http://www.isi.edu/touch/pubs/http-perf96/>,
+        ISI Research Report ISI/RR-98-463, (original report dated Aug.
+        1996), USC/Information Sciences Institute, August 1998.
+
+   [28] Mills, D., "Network Time Protocol (Version 3) Specification,
+        Implementation and Analysis", RFC 1305, March 1992.
+
+   [29] Deutsch, P., "DEFLATE Compressed Data Format Specification
+        version 1.3", RFC 1951, May 1996.
+
+   [30] S. Spero, "Analysis of HTTP Performance Problems,"
+        http://sunsite.unc.edu/mdma-release/http-prob.html.
+
+   [31] Deutsch, P. and J. Gailly, "ZLIB Compressed Data Format
+        Specification version 3.3", RFC 1950, May 1996.
+
+   [32] Franks, J., Hallam-Baker, P., Hostetler, J., Leach, P.,
+        Luotonen, A., Sink, E. and L. Stewart, "An Extension to HTTP:
+        Digest Access Authentication", RFC 2069, January 1997.
+
+   [33] Fielding, R., Gettys, J., Mogul, J., Frystyk, H. and T.
+        Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", RFC
+        2068, January 1997.
+
+   [34] Bradner, S., "Key words for use in RFCs to Indicate Requirement
+        Levels", BCP 14, RFC 2119, March 1997.
+
+   [35] Troost, R. and Dorner, S., "Communicating Presentation
+        Information in Internet Messages: The Content-Disposition
+        Header", RFC 1806, June 1995.
+
+   [36] Mogul, J., Fielding, R., Gettys, J. and H. Frystyk, "Use and
+        Interpretation of HTTP Version Numbers", RFC 2145, May 1997.
+        [jg639]
+
+   [37] Palme, J., "Common Internet Message Headers", RFC 2076, February
+        1997. [jg640]
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 160]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   [38] Yergeau, F., "UTF-8, a transformation format of Unicode and
+        ISO-10646", RFC 2279, January 1998. [jg641]
+
+   [39] Nielsen, H.F., Gettys, J., Baird-Smith, A., Prud'hommeaux, E.,
+        Lie, H., and C. Lilley. "Network Performance Effects of
+        HTTP/1.1, CSS1, and PNG," Proceedings of ACM SIGCOMM '97, Cannes
+        France, September 1997.[jg642]
+
+   [40] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+        Extensions (MIME) Part Two: Media Types", RFC 2046, November
+        1996. [jg643]
+
+   [41] Alvestrand, H., "IETF Policy on Character Sets and Languages",
+        BCP 18, RFC 2277, January 1998. [jg644]
+
+   [42] Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform Resource
+        Identifiers (URI): Generic Syntax and Semantics", RFC 2396,
+        August 1998. [jg645]
+
+   [43] Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S.,
+        Leach, P., Luotonen, A., Sink, E. and L. Stewart, "HTTP
+        Authentication: Basic and Digest Access Authentication", RFC
+        2617, June 1999. [jg646]
+
+   [44] Luotonen, A., "Tunneling TCP based protocols through Web proxy
+        servers," Work in Progress. [jg647]
+
+   [45] Palme, J. and A. Hopmann, "MIME E-mail Encapsulation of
+        Aggregate Documents, such as HTML (MHTML)", RFC 2110, March
+        1997.
+
+   [46] Bradner, S., "The Internet Standards Process -- Revision 3", BCP
+        9, RFC 2026, October 1996.
+
+   [47] Masinter, L., "Hyper Text Coffee Pot Control Protocol
+        (HTCPCP/1.0)", RFC 2324, 1 April 1998.
+
+   [48] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+        Extensions (MIME) Part Five: Conformance Criteria and Examples",
+        RFC 2049, November 1996.
+
+   [49] Troost, R., Dorner, S. and K. Moore, "Communicating Presentation
+        Information in Internet Messages: The Content-Disposition Header
+        Field", RFC 2183, August 1997.
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 161]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+18 Authors' Addresses
+
+   Roy T. Fielding
+   Information and Computer Science
+   University of California, Irvine
+   Irvine, CA 92697-3425, USA
+
+   Fax: +1 (949) 824-1715
+   EMail: fielding@ics.uci.edu
+
+
+   James Gettys
+   World Wide Web Consortium
+   MIT Laboratory for Computer Science
+   545 Technology Square
+   Cambridge, MA 02139, USA
+
+   Fax: +1 (617) 258 8682
+   EMail: jg@w3.org
+
+
+   Jeffrey C. Mogul
+   Western Research Laboratory
+   Compaq Computer Corporation
+   250 University Avenue
+   Palo Alto, California, 94305, USA
+
+   EMail: mogul@wrl.dec.com
+
+
+   Henrik Frystyk Nielsen
+   World Wide Web Consortium
+   MIT Laboratory for Computer Science
+   545 Technology Square
+   Cambridge, MA 02139, USA
+
+   Fax: +1 (617) 258 8682
+   EMail: frystyk@w3.org
+
+
+   Larry Masinter
+   Xerox Corporation
+   3333 Coyote Hill Road
+   Palo Alto, CA 94034, USA
+
+   EMail: masinter@parc.xerox.com
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 162]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Paul J. Leach
+   Microsoft Corporation
+   1 Microsoft Way
+   Redmond, WA 98052, USA
+
+   EMail: paulle@microsoft.com
+
+
+   Tim Berners-Lee
+   Director, World Wide Web Consortium
+   MIT Laboratory for Computer Science
+   545 Technology Square
+   Cambridge, MA 02139, USA
+
+   Fax: +1 (617) 258 8682
+   EMail: timbl@w3.org
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 163]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+19 Appendices
+
+19.1 Internet Media Type message/http and application/http
+
+   In addition to defining the HTTP/1.1 protocol, this document serves
+   as the specification for the Internet media type "message/http" and
+   "application/http". The message/http type can be used to enclose a
+   single HTTP request or response message, provided that it obeys the
+   MIME restrictions for all "message" types regarding line length and
+   encodings. The application/http type can be used to enclose a
+   pipeline of one or more HTTP request or response messages (not
+   intermixed). The following is to be registered with IANA [17].
+
+       Media Type name:         message
+       Media subtype name:      http
+       Required parameters:     none
+       Optional parameters:     version, msgtype
+        version: The HTTP-Version number of the enclosed message
+                 (e.g., "1.1"). If not present, the version can be
+                 determined from the first line of the body.
+        msgtype: The message type -- "request" or "response". If not
+                 present, the type can be determined from the first
+                 line of the body.
+       Encoding considerations: only "7bit", "8bit", or "binary" are
+                                permitted
+       Security considerations: none
+
+       Media Type name:         application
+       Media subtype name:      http
+       Required parameters:     none
+       Optional parameters:     version, msgtype
+        version: The HTTP-Version number of the enclosed messages
+                 (e.g., "1.1"). If not present, the version can be
+                 determined from the first line of the body.
+        msgtype: The message type -- "request" or "response". If not
+                 present, the type can be determined from the first
+                 line of the body.
+       Encoding considerations: HTTP messages enclosed by this type
+                 are in "binary" format; use of an appropriate
+                 Content-Transfer-Encoding is required when
+                 transmitted via E-mail.
+       Security considerations: none
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 164]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+19.2 Internet Media Type multipart/byteranges
+
+   When an HTTP 206 (Partial Content) response message includes the
+   content of multiple ranges (a response to a request for multiple
+   non-overlapping ranges), these are transmitted as a multipart
+   message-body. The media type for this purpose is called
+   "multipart/byteranges".
+
+   The multipart/byteranges media type includes two or more parts, each
+   with its own Content-Type and Content-Range fields. The required
+   boundary parameter specifies the boundary string used to separate
+   each body-part.
+
+       Media Type name:         multipart
+       Media subtype name:      byteranges
+       Required parameters:     boundary
+       Optional parameters:     none
+       Encoding considerations: only "7bit", "8bit", or "binary" are
+                                permitted
+       Security considerations: none
+
+
+   For example:
+
+   HTTP/1.1 206 Partial Content
+   Date: Wed, 15 Nov 1995 06:25:24 GMT
+   Last-Modified: Wed, 15 Nov 1995 04:58:08 GMT
+   Content-type: multipart/byteranges; boundary=THIS_STRING_SEPARATES
+
+   --THIS_STRING_SEPARATES
+   Content-type: application/pdf
+   Content-range: bytes 500-999/8000
+
+   ...the first range...
+   --THIS_STRING_SEPARATES
+   Content-type: application/pdf
+   Content-range: bytes 7000-7999/8000
+
+   ...the second range
+   --THIS_STRING_SEPARATES--
+
+      Notes:
+
+      1) Additional CRLFs may precede the first boundary string in the
+         entity.
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 165]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      2) Although RFC 2046 [40] permits the boundary string to be
+         quoted, some existing implementations handle a quoted boundary
+         string incorrectly.
+
+      3) A number of browsers and servers were coded to an early draft
+         of the byteranges specification to use a media type of
+         multipart/x-byteranges, which is almost, but not quite
+         compatible with the version documented in HTTP/1.1.
+
+19.3 Tolerant Applications
+
+   Although this document specifies the requirements for the generation
+   of HTTP/1.1 messages, not all applications will be correct in their
+   implementation. We therefore recommend that operational applications
+   be tolerant of deviations whenever those deviations can be
+   interpreted unambiguously.
+
+   Clients SHOULD be tolerant in parsing the Status-Line and servers
+   tolerant when parsing the Request-Line. In particular, they SHOULD
+   accept any amount of SP or HT characters between fields, even though
+   only a single SP is required.
+
+   The line terminator for message-header fields is the sequence CRLF.
+   However, we recommend that applications, when parsing such headers,
+   recognize a single LF as a line terminator and ignore the leading CR.
+
+   The character set of an entity-body SHOULD be labeled as the lowest
+   common denominator of the character codes used within that body, with
+   the exception that not labeling the entity is preferred over labeling
+   the entity with the labels US-ASCII or ISO-8859-1. See section 3.7.1
+   and 3.4.1.
+
+   Additional rules for requirements on parsing and encoding of dates
+   and other potential problems with date encodings include:
+
+      - HTTP/1.1 clients and caches SHOULD assume that an RFC-850 date
+        which appears to be more than 50 years in the future is in fact
+        in the past (this helps solve the "year 2000" problem).
+
+      - An HTTP/1.1 implementation MAY internally represent a parsed
+        Expires date as earlier than the proper value, but MUST NOT
+        internally represent a parsed Expires date as later than the
+        proper value.
+
+      - All expiration-related calculations MUST be done in GMT. The
+        local time zone MUST NOT influence the calculation or comparison
+        of an age or expiration time.
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 166]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      - If an HTTP header incorrectly carries a date value with a time
+        zone other than GMT, it MUST be converted into GMT using the
+        most conservative possible conversion.
+
+19.4 Differences Between HTTP Entities and RFC 2045 Entities
+
+   HTTP/1.1 uses many of the constructs defined for Internet Mail (RFC
+   822 [9]) and the Multipurpose Internet Mail Extensions (MIME [7]) to
+   allow entities to be transmitted in an open variety of
+   representations and with extensible mechanisms. However, RFC 2045
+   discusses mail, and HTTP has a few features that are different from
+   those described in RFC 2045. These differences were carefully chosen
+   to optimize performance over binary connections, to allow greater
+   freedom in the use of new media types, to make date comparisons
+   easier, and to acknowledge the practice of some early HTTP servers
+   and clients.
+
+   This appendix describes specific areas where HTTP differs from RFC
+   2045. Proxies and gateways to strict MIME environments SHOULD be
+   aware of these differences and provide the appropriate conversions
+   where necessary. Proxies and gateways from MIME environments to HTTP
+   also need to be aware of the differences because some conversions
+   might be required.
+
+19.4.1 MIME-Version
+
+   HTTP is not a MIME-compliant protocol. However, HTTP/1.1 messages MAY
+   include a single MIME-Version general-header field to indicate what
+   version of the MIME protocol was used to construct the message. Use
+   of the MIME-Version header field indicates that the message is in
+   full compliance with the MIME protocol (as defined in RFC 2045[7]).
+   Proxies/gateways are responsible for ensuring full compliance (where
+   possible) when exporting HTTP messages to strict MIME environments.
+
+       MIME-Version   = "MIME-Version" ":" 1*DIGIT "." 1*DIGIT
+
+   MIME version "1.0" is the default for use in HTTP/1.1. However,
+   HTTP/1.1 message parsing and semantics are defined by this document
+   and not the MIME specification.
+
+19.4.2 Conversion to Canonical Form
+
+   RFC 2045 [7] requires that an Internet mail entity be converted to
+   canonical form prior to being transferred, as described in section 4
+   of RFC 2049 [48]. Section 3.7.1 of this document describes the forms
+   allowed for subtypes of the "text" media type when transmitted over
+   HTTP. RFC 2046 requires that content with a type of "text" represent
+   line breaks as CRLF and forbids the use of CR or LF outside of line
+
+
+
+Fielding, et al.            Standards Track                   [Page 167]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   break sequences. HTTP allows CRLF, bare CR, and bare LF to indicate a
+   line break within text content when a message is transmitted over
+   HTTP.
+
+   Where it is possible, a proxy or gateway from HTTP to a strict MIME
+   environment SHOULD translate all line breaks within the text media
+   types described in section 3.7.1 of this document to the RFC 2049
+   canonical form of CRLF. Note, however, that this might be complicated
+   by the presence of a Content-Encoding and by the fact that HTTP
+   allows the use of some character sets which do not use octets 13 and
+   10 to represent CR and LF, as is the case for some multi-byte
+   character sets.
+
+   Implementors should note that conversion will break any cryptographic
+   checksums applied to the original content unless the original content
+   is already in canonical form. Therefore, the canonical form is
+   recommended for any content that uses such checksums in HTTP.
+
+19.4.3 Conversion of Date Formats
+
+   HTTP/1.1 uses a restricted set of date formats (section 3.3.1) to
+   simplify the process of date comparison. Proxies and gateways from
+   other protocols SHOULD ensure that any Date header field present in a
+   message conforms to one of the HTTP/1.1 formats and rewrite the date
+   if necessary.
+
+19.4.4 Introduction of Content-Encoding
+
+   RFC 2045 does not include any concept equivalent to HTTP/1.1's
+   Content-Encoding header field. Since this acts as a modifier on the
+   media type, proxies and gateways from HTTP to MIME-compliant
+   protocols MUST either change the value of the Content-Type header
+   field or decode the entity-body before forwarding the message. (Some
+   experimental applications of Content-Type for Internet mail have used
+   a media-type parameter of ";conversions=<content-coding>" to perform
+   a function equivalent to Content-Encoding. However, this parameter is
+   not part of RFC 2045.)
+
+19.4.5 No Content-Transfer-Encoding
+
+   HTTP does not use the Content-Transfer-Encoding (CTE) field of RFC
+   2045. Proxies and gateways from MIME-compliant protocols to HTTP MUST
+   remove any non-identity CTE ("quoted-printable" or "base64") encoding
+   prior to delivering the response message to an HTTP client.
+
+   Proxies and gateways from HTTP to MIME-compliant protocols are
+   responsible for ensuring that the message is in the correct format
+   and encoding for safe transport on that protocol, where "safe
+
+
+
+Fielding, et al.            Standards Track                   [Page 168]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   transport" is defined by the limitations of the protocol being used.
+   Such a proxy or gateway SHOULD label the data with an appropriate
+   Content-Transfer-Encoding if doing so will improve the likelihood of
+   safe transport over the destination protocol.
+
+19.4.6 Introduction of Transfer-Encoding
+
+   HTTP/1.1 introduces the Transfer-Encoding header field (section
+   14.41). Proxies/gateways MUST remove any transfer-coding prior to
+   forwarding a message via a MIME-compliant protocol.
+
+   A process for decoding the "chunked" transfer-coding (section 3.6)
+   can be represented in pseudo-code as:
+
+       length := 0
+       read chunk-size, chunk-extension (if any) and CRLF
+       while (chunk-size > 0) {
+          read chunk-data and CRLF
+          append chunk-data to entity-body
+          length := length + chunk-size
+          read chunk-size and CRLF
+       }
+       read entity-header
+       while (entity-header not empty) {
+          append entity-header to existing header fields
+          read entity-header
+       }
+       Content-Length := length
+       Remove "chunked" from Transfer-Encoding
+
+19.4.7 MHTML and Line Length Limitations
+
+   HTTP implementations which share code with MHTML [45] implementations
+   need to be aware of MIME line length limitations. Since HTTP does not
+   have this limitation, HTTP does not fold long lines. MHTML messages
+   being transported by HTTP follow all conventions of MHTML, including
+   line length limitations and folding, canonicalization, etc., since
+   HTTP transports all message-bodies as payload (see section 3.7.2) and
+   does not interpret the content or any MIME header lines that might be
+   contained therein.
+
+19.5 Additional Features
+
+   RFC 1945 and RFC 2068 document protocol elements used by some
+   existing HTTP implementations, but not consistently and correctly
+   across most HTTP/1.1 applications. Implementors are advised to be
+   aware of these features, but cannot rely upon their presence in, or
+   interoperability with, other HTTP/1.1 applications. Some of these
+
+
+
+Fielding, et al.            Standards Track                   [Page 169]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   describe proposed experimental features, and some describe features
+   that experimental deployment found lacking that are now addressed in
+   the base HTTP/1.1 specification.
+
+   A number of other headers, such as Content-Disposition and Title,
+   from SMTP and MIME are also often implemented (see RFC 2076 [37]).
+
+19.5.1 Content-Disposition
+
+   The Content-Disposition response-header field has been proposed as a
+   means for the origin server to suggest a default filename if the user
+   requests that the content is saved to a file. This usage is derived
+   from the definition of Content-Disposition in RFC 1806 [35].
+
+        content-disposition = "Content-Disposition" ":"
+                              disposition-type *( ";" disposition-parm )
+        disposition-type = "attachment" | disp-extension-token
+        disposition-parm = filename-parm | disp-extension-parm
+        filename-parm = "filename" "=" quoted-string
+        disp-extension-token = token
+        disp-extension-parm = token "=" ( token | quoted-string )
+
+   An example is
+
+        Content-Disposition: attachment; filename="fname.ext"
+
+   The receiving user agent SHOULD NOT respect any directory path
+   information present in the filename-parm parameter, which is the only
+   parameter believed to apply to HTTP implementations at this time. The
+   filename SHOULD be treated as a terminal component only.
+
+   If this header is used in a response with the application/octet-
+   stream content-type, the implied suggestion is that the user agent
+   should not display the response, but directly enter a `save response
+   as...' dialog.
+
+   See section 15.5 for Content-Disposition security issues.
+
+19.6 Compatibility with Previous Versions
+
+   It is beyond the scope of a protocol specification to mandate
+   compliance with previous versions. HTTP/1.1 was deliberately
+   designed, however, to make supporting previous versions easy. It is
+   worth noting that, at the time of composing this specification
+   (1996), we would expect commercial HTTP/1.1 servers to:
+
+      - recognize the format of the Request-Line for HTTP/0.9, 1.0, and
+        1.1 requests;
+
+
+
+Fielding, et al.            Standards Track                   [Page 170]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+      - understand any valid request in the format of HTTP/0.9, 1.0, or
+        1.1;
+
+      - respond appropriately with a message in the same major version
+        used by the client.
+
+   And we would expect HTTP/1.1 clients to:
+
+      - recognize the format of the Status-Line for HTTP/1.0 and 1.1
+        responses;
+
+      - understand any valid response in the format of HTTP/0.9, 1.0, or
+        1.1.
+
+   For most implementations of HTTP/1.0, each connection is established
+   by the client prior to the request and closed by the server after
+   sending the response. Some implementations implement the Keep-Alive
+   version of persistent connections described in section 19.7.1 of RFC
+   2068 [33].
+
+19.6.1 Changes from HTTP/1.0
+
+   This section summarizes major differences between versions HTTP/1.0
+   and HTTP/1.1.
+
+19.6.1.1 Changes to Simplify Multi-homed Web Servers and Conserve IP
+         Addresses
+
+   The requirements that clients and servers support the Host request-
+   header, report an error if the Host request-header (section 14.23) is
+   missing from an HTTP/1.1 request, and accept absolute URIs (section
+   5.1.2) are among the most important changes defined by this
+   specification.
+
+   Older HTTP/1.0 clients assumed a one-to-one relationship of IP
+   addresses and servers; there was no other established mechanism for
+   distinguishing the intended server of a request than the IP address
+   to which that request was directed. The changes outlined above will
+   allow the Internet, once older HTTP clients are no longer common, to
+   support multiple Web sites from a single IP address, greatly
+   simplifying large operational Web servers, where allocation of many
+   IP addresses to a single host has created serious problems. The
+   Internet will also be able to recover the IP addresses that have been
+   allocated for the sole purpose of allowing special-purpose domain
+   names to be used in root-level HTTP URLs. Given the rate of growth of
+   the Web, and the number of servers already deployed, it is extremely
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 171]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   important that all implementations of HTTP (including updates to
+   existing HTTP/1.0 applications) correctly implement these
+   requirements:
+
+      - Both clients and servers MUST support the Host request-header.
+
+      - A client that sends an HTTP/1.1 request MUST send a Host header.
+
+      - Servers MUST report a 400 (Bad Request) error if an HTTP/1.1
+        request does not include a Host request-header.
+
+      - Servers MUST accept absolute URIs.
+
+19.6.2 Compatibility with HTTP/1.0 Persistent Connections
+
+   Some clients and servers might wish to be compatible with some
+   previous implementations of persistent connections in HTTP/1.0
+   clients and servers. Persistent connections in HTTP/1.0 are
+   explicitly negotiated as they are not the default behavior. HTTP/1.0
+   experimental implementations of persistent connections are faulty,
+   and the new facilities in HTTP/1.1 are designed to rectify these
+   problems. The problem was that some existing 1.0 clients may be
+   sending Keep-Alive to a proxy server that doesn't understand
+   Connection, which would then erroneously forward it to the next
+   inbound server, which would establish the Keep-Alive connection and
+   result in a hung HTTP/1.0 proxy waiting for the close on the
+   response. The result is that HTTP/1.0 clients must be prevented from
+   using Keep-Alive when talking to proxies.
+
+   However, talking to proxies is the most important use of persistent
+   connections, so that prohibition is clearly unacceptable. Therefore,
+   we need some other mechanism for indicating a persistent connection
+   is desired, which is safe to use even when talking to an old proxy
+   that ignores Connection. Persistent connections are the default for
+   HTTP/1.1 messages; we introduce a new keyword (Connection: close) for
+   declaring non-persistence. See section 14.10.
+
+   The original HTTP/1.0 form of persistent connections (the Connection:
+   Keep-Alive and Keep-Alive header) is documented in RFC 2068. [33]
+
+19.6.3 Changes from RFC 2068
+
+   This specification has been carefully audited to correct and
+   disambiguate key word usage; RFC 2068 had many problems in respect to
+   the conventions laid out in RFC 2119 [34].
+
+   Clarified which error code should be used for inbound server failures
+   (e.g. DNS failures). (Section 10.5.5).
+
+
+
+Fielding, et al.            Standards Track                   [Page 172]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   CREATE had a race that required an Etag be sent when a resource is
+   first created. (Section 10.2.2).
+
+   Content-Base was deleted from the specification: it was not
+   implemented widely, and there is no simple, safe way to introduce it
+   without a robust extension mechanism. In addition, it is used in a
+   similar, but not identical fashion in MHTML [45].
+
+   Transfer-coding and message lengths all interact in ways that
+   required fixing exactly when chunked encoding is used (to allow for
+   transfer encoding that may not be self delimiting); it was important
+   to straighten out exactly how message lengths are computed. (Sections
+   3.6, 4.4, 7.2.2, 13.5.2, 14.13, 14.16)
+
+   A content-coding of "identity" was introduced, to solve problems
+   discovered in caching. (section 3.5)
+
+   Quality Values of zero should indicate that "I don't want something"
+   to allow clients to refuse a representation. (Section 3.9)
+
+   The use and interpretation of HTTP version numbers has been clarified
+   by RFC 2145. Require proxies to upgrade requests to highest protocol
+   version they support to deal with problems discovered in HTTP/1.0
+   implementations (Section 3.1)
+
+   Charset wildcarding is introduced to avoid explosion of character set
+   names in accept headers. (Section 14.2)
+
+   A case was missed in the Cache-Control model of HTTP/1.1; s-maxage
+   was introduced to add this missing case. (Sections 13.4, 14.8, 14.9,
+   14.9.3)
+
+   The Cache-Control: max-age directive was not properly defined for
+   responses. (Section 14.9.3)
+
+   There are situations where a server (especially a proxy) does not
+   know the full length of a response but is capable of serving a
+   byterange request. We therefore need a mechanism to allow byteranges
+   with a content-range not indicating the full length of the message.
+   (Section 14.16)
+
+   Range request responses would become very verbose if all meta-data
+   were always returned; by allowing the server to only send needed
+   headers in a 206 response, this problem can be avoided. (Section
+   10.2.7, 13.5.3, and 14.27)
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 173]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Fix problem with unsatisfiable range requests; there are two cases:
+   syntactic problems, and range doesn't exist in the document. The 416
+   status code was needed to resolve this ambiguity needed to indicate
+   an error for a byte range request that falls outside of the actual
+   contents of a document. (Section 10.4.17, 14.16)
+
+   Rewrite of message transmission requirements to make it much harder
+   for implementors to get it wrong, as the consequences of errors here
+   can have significant impact on the Internet, and to deal with the
+   following problems:
+
+      1. Changing "HTTP/1.1 or later" to "HTTP/1.1", in contexts where
+         this was incorrectly placing a requirement on the behavior of
+         an implementation of a future version of HTTP/1.x
+
+      2. Made it clear that user-agents should retry requests, not
+         "clients" in general.
+
+      3. Converted requirements for clients to ignore unexpected 100
+         (Continue) responses, and for proxies to forward 100 responses,
+         into a general requirement for 1xx responses.
+
+      4. Modified some TCP-specific language, to make it clearer that
+         non-TCP transports are possible for HTTP.
+
+      5. Require that the origin server MUST NOT wait for the request
+         body before it sends a required 100 (Continue) response.
+
+      6. Allow, rather than require, a server to omit 100 (Continue) if
+         it has already seen some of the request body.
+
+      7. Allow servers to defend against denial-of-service attacks and
+         broken clients.
+
+   This change adds the Expect header and 417 status code. The message
+   transmission requirements fixes are in sections 8.2, 10.4.18,
+   8.1.2.2, 13.11, and 14.20.
+
+   Proxies should be able to add Content-Length when appropriate.
+   (Section 13.5.2)
+
+   Clean up confusion between 403 and 404 responses. (Section 10.4.4,
+   10.4.5, and 10.4.11)
+
+   Warnings could be cached incorrectly, or not updated appropriately.
+   (Section 13.1.2, 13.2.4, 13.5.2, 13.5.3, 14.9.3, and 14.46) Warning
+   also needed to be a general header, as PUT or other methods may have
+   need for it in requests.
+
+
+
+Fielding, et al.            Standards Track                   [Page 174]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+   Transfer-coding had significant problems, particularly with
+   interactions with chunked encoding. The solution is that transfer-
+   codings become as full fledged as content-codings. This involves
+   adding an IANA registry for transfer-codings (separate from content
+   codings), a new header field (TE) and enabling trailer headers in the
+   future. Transfer encoding is a major performance benefit, so it was
+   worth fixing [39]. TE also solves another, obscure, downward
+   interoperability problem that could have occurred due to interactions
+   between authentication trailers, chunked encoding and HTTP/1.0
+   clients.(Section 3.6, 3.6.1, and 14.39)
+
+   The PATCH, LINK, UNLINK methods were defined but not commonly
+   implemented in previous versions of this specification. See RFC 2068
+   [33].
+
+   The Alternates, Content-Version, Derived-From, Link, URI, Public and
+   Content-Base header fields were defined in previous versions of this
+   specification, but not commonly implemented. See RFC 2068 [33].
+
+20 Index
+
+   Please see the PostScript version of this RFC for the INDEX.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Fielding, et al.            Standards Track                   [Page 175]
+
+RFC 2616                        HTTP/1.1                       June 1999
+
+
+21.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
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+Fielding, et al.            Standards Track                   [Page 176]
+
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+
+Network Working Group                                          J. Franks
+Request for Comments: 2617                       Northwestern University
+Obsoletes: 2069                                          P. Hallam-Baker
+Category: Standards Track                                 Verisign, Inc.
+                                                            J. Hostetler
+                                                         AbiSource, Inc.
+                                                             S. Lawrence
+                                                   Agranat Systems, Inc.
+                                                                P. Leach
+                                                   Microsoft Corporation
+                                                             A. Luotonen
+                                     Netscape Communications Corporation
+                                                              L. Stewart
+                                                       Open Market, Inc.
+                                                               June 1999
+
+
+      HTTP Authentication: Basic and Digest Access Authentication
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+Abstract
+
+   "HTTP/1.0", includes the specification for a Basic Access
+   Authentication scheme. This scheme is not considered to be a secure
+   method of user authentication (unless used in conjunction with some
+   external secure system such as SSL [5]), as the user name and
+   password are passed over the network as cleartext.
+
+   This document also provides the specification for HTTP's
+   authentication framework, the original Basic authentication scheme
+   and a scheme based on cryptographic hashes, referred to as "Digest
+   Access Authentication".  It is therefore also intended to serve as a
+   replacement for RFC 2069 [6].  Some optional elements specified by
+   RFC 2069 have been removed from this specification due to problems
+   found since its publication; other new elements have been added for
+   compatibility, those new elements have been made optional, but are
+   strongly recommended.
+
+
+
+Franks, et al.              Standards Track                     [Page 1]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   Like Basic, Digest access authentication verifies that both parties
+   to a communication know a shared secret (a password); unlike Basic,
+   this verification can be done without sending the password in the
+   clear, which is Basic's biggest weakness. As with most other
+   authentication protocols, the greatest sources of risks are usually
+   found not in the core protocol itself but in policies and procedures
+   surrounding its use.
+
+Table of Contents
+
+   1   Access Authentication................................   3
+    1.1   Reliance on the HTTP/1.1 Specification............   3
+    1.2   Access Authentication Framework...................   3
+   2   Basic Authentication Scheme..........................   5
+   3   Digest Access Authentication Scheme..................   6
+    3.1   Introduction......................................   6
+     3.1.1  Purpose.........................................   6
+     3.1.2  Overall Operation...............................   6
+     3.1.3  Representation of digest values.................   7
+     3.1.4  Limitations.....................................   7
+    3.2   Specification of Digest Headers...................   7
+     3.2.1  The WWW-Authenticate Response Header............   8
+     3.2.2  The Authorization Request Header................  11
+     3.2.3  The Authentication-Info Header..................  15
+    3.3   Digest Operation..................................  17
+    3.4   Security Protocol Negotiation.....................  18
+    3.5   Example...........................................  18
+    3.6   Proxy-Authentication and Proxy-Authorization......  19
+   4   Security Considerations..............................  19
+    4.1   Authentication of Clients using Basic
+          Authentication....................................  19
+    4.2   Authentication of Clients using Digest
+          Authentication....................................  20
+    4.3   Limited Use Nonce Values..........................  21
+    4.4   Comparison of Digest with Basic Authentication....  22
+    4.5   Replay Attacks....................................  22
+    4.6   Weakness Created by Multiple Authentication
+          Schemes...........................................  23
+    4.7   Online dictionary attacks.........................  23
+    4.8   Man in the Middle.................................  24
+    4.9   Chosen plaintext attacks..........................  24
+    4.10  Precomputed dictionary attacks....................  25
+    4.11  Batch brute force attacks.........................  25
+    4.12  Spoofing by Counterfeit Servers...................  25
+    4.13  Storing passwords.................................  26
+    4.14  Summary...........................................  26
+   5   Sample implementation................................  27
+   6   Acknowledgments......................................  31
+
+
+
+Franks, et al.              Standards Track                     [Page 2]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   7   References...........................................  31
+   8   Authors' Addresses...................................  32
+   9   Full Copyright Statement.............................  34
+
+1 Access Authentication
+
+1.1 Reliance on the HTTP/1.1 Specification
+
+   This specification is a companion to the HTTP/1.1 specification [2].
+   It uses the augmented BNF section 2.1 of that document, and relies on
+   both the non-terminals defined in that document and other aspects of
+   the HTTP/1.1 specification.
+
+1.2 Access Authentication Framework
+
+   HTTP provides a simple challenge-response authentication mechanism
+   that MAY be used by a server to challenge a client request and by a
+   client to provide authentication information. It uses an extensible,
+   case-insensitive token to identify the authentication scheme,
+   followed by a comma-separated list of attribute-value pairs which
+   carry the parameters necessary for achieving authentication via that
+   scheme.
+
+      auth-scheme    = token
+      auth-param     = token "=" ( token | quoted-string )
+
+   The 401 (Unauthorized) response message is used by an origin server
+   to challenge the authorization of a user agent. This response MUST
+   include a WWW-Authenticate header field containing at least one
+   challenge applicable to the requested resource. The 407 (Proxy
+   Authentication Required) response message is used by a proxy to
+   challenge the authorization of a client and MUST include a Proxy-
+   Authenticate header field containing at least one challenge
+   applicable to the proxy for the requested resource.
+
+      challenge   = auth-scheme 1*SP 1#auth-param
+
+   Note: User agents will need to take special care in parsing the WWW-
+   Authenticate or Proxy-Authenticate header field value if it contains
+   more than one challenge, or if more than one WWW-Authenticate header
+   field is provided, since the contents of a challenge may itself
+   contain a comma-separated list of authentication parameters.
+
+   The authentication parameter realm is defined for all authentication
+   schemes:
+
+      realm       = "realm" "=" realm-value
+      realm-value = quoted-string
+
+
+
+Franks, et al.              Standards Track                     [Page 3]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   The realm directive (case-insensitive) is required for all
+   authentication schemes that issue a challenge. The realm value
+   (case-sensitive), in combination with the canonical root URL (the
+   absoluteURI for the server whose abs_path is empty; see section 5.1.2
+   of [2]) of the server being accessed, defines the protection space.
+   These realms allow the protected resources on a server to be
+   partitioned into a set of protection spaces, each with its own
+   authentication scheme and/or authorization database. The realm value
+   is a string, generally assigned by the origin server, which may have
+   additional semantics specific to the authentication scheme. Note that
+   there may be multiple challenges with the same auth-scheme but
+   different realms.
+
+   A user agent that wishes to authenticate itself with an origin
+   server--usually, but not necessarily, after receiving a 401
+   (Unauthorized)--MAY do so by including an Authorization header field
+   with the request. A client that wishes to authenticate itself with a
+   proxy--usually, but not necessarily, after receiving a 407 (Proxy
+   Authentication Required)--MAY do so by including a Proxy-
+   Authorization header field with the request.  Both the Authorization
+   field value and the Proxy-Authorization field value consist of
+   credentials containing the authentication information of the client
+   for the realm of the resource being requested. The user agent MUST
+   choose to use one of the challenges with the strongest auth-scheme it
+   understands and request credentials from the user based upon that
+   challenge.
+
+   credentials = auth-scheme #auth-param
+
+      Note that many browsers will only recognize Basic and will require
+      that it be the first auth-scheme presented. Servers should only
+      include Basic if it is minimally acceptable.
+
+   The protection space determines the domain over which credentials can
+   be automatically applied. If a prior request has been authorized, the
+   same credentials MAY be reused for all other requests within that
+   protection space for a period of time determined by the
+   authentication scheme, parameters, and/or user preference. Unless
+   otherwise defined by the authentication scheme, a single protection
+   space cannot extend outside the scope of its server.
+
+   If the origin server does not wish to accept the credentials sent
+   with a request, it SHOULD return a 401 (Unauthorized) response. The
+   response MUST include a WWW-Authenticate header field containing at
+   least one (possibly new) challenge applicable to the requested
+   resource. If a proxy does not accept the credentials sent with a
+   request, it SHOULD return a 407 (Proxy Authentication Required). The
+   response MUST include a Proxy-Authenticate header field containing a
+
+
+
+Franks, et al.              Standards Track                     [Page 4]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   (possibly new) challenge applicable to the proxy for the requested
+   resource.
+
+   The HTTP protocol does not restrict applications to this simple
+   challenge-response mechanism for access authentication. Additional
+   mechanisms MAY be used, such as encryption at the transport level or
+   via message encapsulation, and with additional header fields
+   specifying authentication information. However, these additional
+   mechanisms are not defined by this specification.
+
+   Proxies MUST be completely transparent regarding user agent
+   authentication by origin servers. That is, they must forward the
+   WWW-Authenticate and Authorization headers untouched, and follow the
+   rules found in section 14.8 of [2]. Both the Proxy-Authenticate and
+   the Proxy-Authorization header fields are hop-by-hop headers (see
+   section 13.5.1 of [2]).
+
+2 Basic Authentication Scheme
+
+   The "basic" authentication scheme is based on the model that the
+   client must authenticate itself with a user-ID and a password for
+   each realm.  The realm value should be considered an opaque string
+   which can only be compared for equality with other realms on that
+   server. The server will service the request only if it can validate
+   the user-ID and password for the protection space of the Request-URI.
+   There are no optional authentication parameters.
+
+   For Basic, the framework above is utilized as follows:
+
+      challenge   = "Basic" realm
+      credentials = "Basic" basic-credentials
+
+   Upon receipt of an unauthorized request for a URI within the
+   protection space, the origin server MAY respond with a challenge like
+   the following:
+
+      WWW-Authenticate: Basic realm="WallyWorld"
+
+   where "WallyWorld" is the string assigned by the server to identify
+   the protection space of the Request-URI. A proxy may respond with the
+   same challenge using the Proxy-Authenticate header field.
+
+   To receive authorization, the client sends the userid and password,
+   separated by a single colon (":") character, within a base64 [7]
+   encoded string in the credentials.
+
+      basic-credentials = base64-user-pass
+      base64-user-pass  = <base64 [4] encoding of user-pass,
+
+
+
+Franks, et al.              Standards Track                     [Page 5]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+                       except not limited to 76 char/line>
+      user-pass   = userid ":" password
+      userid      = *<TEXT excluding ":">
+      password    = *TEXT
+
+   Userids might be case sensitive.
+
+   If the user agent wishes to send the userid "Aladdin" and password
+   "open sesame", it would use the following header field:
+
+      Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
+
+   A client SHOULD assume that all paths at or deeper than the depth of
+   the last symbolic element in the path field of the Request-URI also
+   are within the protection space specified by the Basic realm value of
+   the current challenge. A client MAY preemptively send the
+   corresponding Authorization header with requests for resources in
+   that space without receipt of another challenge from the server.
+   Similarly, when a client sends a request to a proxy, it may reuse a
+   userid and password in the Proxy-Authorization header field without
+   receiving another challenge from the proxy server. See section 4 for
+   security considerations associated with Basic authentication.
+
+3 Digest Access Authentication Scheme
+
+3.1 Introduction
+
+3.1.1 Purpose
+
+   The protocol referred to as "HTTP/1.0" includes the specification for
+   a Basic Access Authentication scheme[1]. That scheme is not
+   considered to be a secure method of user authentication, as the user
+   name and password are passed over the network in an unencrypted form.
+   This section provides the specification for a scheme that does not
+   send the password in cleartext,  referred to as "Digest Access
+   Authentication".
+
+   The Digest Access Authentication scheme is not intended to be a
+   complete answer to the need for security in the World Wide Web. This
+   scheme provides no encryption of message content. The intent is
+   simply to create an access authentication method that avoids the most
+   serious flaws of Basic authentication.
+
+3.1.2 Overall Operation
+
+   Like Basic Access Authentication, the Digest scheme is based on a
+   simple challenge-response paradigm. The Digest scheme challenges
+   using a nonce value. A valid response contains a checksum (by
+
+
+
+Franks, et al.              Standards Track                     [Page 6]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   default, the MD5 checksum) of the username, the password, the given
+   nonce value, the HTTP method, and the requested URI. In this way, the
+   password is never sent in the clear. Just as with the Basic scheme,
+   the username and password must be prearranged in some fashion not
+   addressed by this document.
+
+3.1.3 Representation of digest values
+
+   An optional header allows the server to specify the algorithm used to
+   create the checksum or digest. By default the MD5 algorithm is used
+   and that is the only algorithm described in this document.
+
+   For the purposes of this document, an MD5 digest of 128 bits is
+   represented as 32 ASCII printable characters. The bits in the 128 bit
+   digest are converted from most significant to least significant bit,
+   four bits at a time to their ASCII presentation as follows. Each four
+   bits is represented by its familiar hexadecimal notation from the
+   characters 0123456789abcdef. That is, binary 0000 gets represented by
+   the character '0', 0001, by '1', and so on up to the representation
+   of 1111 as 'f'.
+
+3.1.4 Limitations
+
+   The Digest authentication scheme described in this document suffers
+   from many known limitations. It is intended as a replacement for
+   Basic authentication and nothing more. It is a password-based system
+   and (on the server side) suffers from all the same problems of any
+   password system. In particular, no provision is made in this protocol
+   for the initial secure arrangement between user and server to
+   establish the user's password.
+
+   Users and implementors should be aware that this protocol is not as
+   secure as Kerberos, and not as secure as any client-side private-key
+   scheme. Nevertheless it is better than nothing, better than what is
+   commonly used with telnet and ftp, and better than Basic
+   authentication.
+
+3.2 Specification of Digest Headers
+
+   The Digest Access Authentication scheme is conceptually similar to
+   the Basic scheme. The formats of the modified WWW-Authenticate header
+   line and the Authorization header line are specified below. In
+   addition, a new header, Authentication-Info, is specified.
+
+
+
+
+
+
+
+
+Franks, et al.              Standards Track                     [Page 7]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+3.2.1 The WWW-Authenticate Response Header
+
+   If a server receives a request for an access-protected object, and an
+   acceptable Authorization header is not sent, the server responds with
+   a "401 Unauthorized" status code, and a WWW-Authenticate header as
+   per the framework defined above, which for the digest scheme is
+   utilized as follows:
+
+      challenge        =  "Digest" digest-challenge
+
+      digest-challenge  = 1#( realm | [ domain ] | nonce |
+                          [ opaque ] |[ stale ] | [ algorithm ] |
+                          [ qop-options ] | [auth-param] )
+
+
+      domain            = "domain" "=" <"> URI ( 1*SP URI ) <">
+      URI               = absoluteURI | abs_path
+      nonce             = "nonce" "=" nonce-value
+      nonce-value       = quoted-string
+      opaque            = "opaque" "=" quoted-string
+      stale             = "stale" "=" ( "true" | "false" )
+      algorithm         = "algorithm" "=" ( "MD5" | "MD5-sess" |
+                           token )
+      qop-options       = "qop" "=" <"> 1#qop-value <">
+      qop-value         = "auth" | "auth-int" | token
+
+   The meanings of the values of the directives used above are as
+   follows:
+
+   realm
+     A string to be displayed to users so they know which username and
+     password to use. This string should contain at least the name of
+     the host performing the authentication and might additionally
+     indicate the collection of users who might have access. An example
+     might be "registered_users@gotham.news.com".
+
+   domain
+     A quoted, space-separated list of URIs, as specified in RFC XURI
+     [7], that define the protection space.  If a URI is an abs_path, it
+     is relative to the canonical root URL (see section 1.2 above) of
+     the server being accessed. An absoluteURI in this list may refer to
+     a different server than the one being accessed. The client can use
+     this list to determine the set of URIs for which the same
+     authentication information may be sent: any URI that has a URI in
+     this list as a prefix (after both have been made absolute) may be
+     assumed to be in the same protection space. If this directive is
+     omitted or its value is empty, the client should assume that the
+     protection space consists of all URIs on the responding server.
+
+
+
+Franks, et al.              Standards Track                     [Page 8]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+     This directive is not meaningful in Proxy-Authenticate headers, for
+     which the protection space is always the entire proxy; if present
+     it should be ignored.
+
+   nonce
+     A server-specified data string which should be uniquely generated
+     each time a 401 response is made. It is recommended that this
+     string be base64 or hexadecimal data. Specifically, since the
+     string is passed in the header lines as a quoted string, the
+     double-quote character is not allowed.
+
+     The contents of the nonce are implementation dependent. The quality
+     of the implementation depends on a good choice. A nonce might, for
+     example, be constructed as the base 64 encoding of
+
+         time-stamp H(time-stamp ":" ETag ":" private-key)
+
+     where time-stamp is a server-generated time or other non-repeating
+     value, ETag is the value of the HTTP ETag header associated with
+     the requested entity, and private-key is data known only to the
+     server.  With a nonce of this form a server would recalculate the
+     hash portion after receiving the client authentication header and
+     reject the request if it did not match the nonce from that header
+     or if the time-stamp value is not recent enough. In this way the
+     server can limit the time of the nonce's validity. The inclusion of
+     the ETag prevents a replay request for an updated version of the
+     resource.  (Note: including the IP address of the client in the
+     nonce would appear to offer the server the ability to limit the
+     reuse of the nonce to the same client that originally got it.
+     However, that would break proxy farms, where requests from a single
+     user often go through different proxies in the farm. Also, IP
+     address spoofing is not that hard.)
+
+     An implementation might choose not to accept a previously used
+     nonce or a previously used digest, in order to protect against a
+     replay attack. Or, an implementation might choose to use one-time
+     nonces or digests for POST or PUT requests and a time-stamp for GET
+     requests.  For more details on the issues involved see section 4.
+     of this document.
+
+     The nonce is opaque to the client.
+
+   opaque
+     A string of data, specified by the server, which should be returned
+     by the client unchanged in the Authorization header of subsequent
+     requests with URIs in the same protection space. It is recommended
+     that this string be base64 or hexadecimal data.
+
+
+
+
+Franks, et al.              Standards Track                     [Page 9]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   stale
+     A flag, indicating that the previous request from the client was
+     rejected because the nonce value was stale. If stale is TRUE
+     (case-insensitive), the client may wish to simply retry the request
+     with a new encrypted response, without reprompting the user for a
+     new username and password. The server should only set stale to TRUE
+     if it receives a request for which the nonce is invalid but with a
+     valid digest for that nonce (indicating that the client knows the
+     correct username/password). If stale is FALSE, or anything other
+     than TRUE, or the stale directive is not present, the username
+     and/or password are invalid, and new values must be obtained.
+
+   algorithm
+     A string indicating a pair of algorithms used to produce the digest
+     and a checksum. If this is not present it is assumed to be "MD5".
+     If the algorithm is not understood, the challenge should be ignored
+     (and a different one used, if there is more than one).
+
+     In this document the string obtained by applying the digest
+     algorithm to the data "data" with secret "secret" will be denoted
+     by KD(secret, data), and the string obtained by applying the
+     checksum algorithm to the data "data" will be denoted H(data). The
+     notation unq(X) means the value of the quoted-string X without the
+     surrounding quotes.
+
+     For the "MD5" and "MD5-sess" algorithms
+
+         H(data) = MD5(data)
+
+     and
+
+         KD(secret, data) = H(concat(secret, ":", data))
+
+     i.e., the digest is the MD5 of the secret concatenated with a colon
+     concatenated with the data. The "MD5-sess" algorithm is intended to
+     allow efficient 3rd party authentication servers; for the
+     difference in usage, see the description in section 3.2.2.2.
+
+   qop-options
+     This directive is optional, but is made so only for backward
+     compatibility with RFC 2069 [6]; it SHOULD be used by all
+     implementations compliant with this version of the Digest scheme.
+     If present, it is a quoted string of one or more tokens indicating
+     the "quality of protection" values supported by the server.  The
+     value "auth" indicates authentication; the value "auth-int"
+     indicates authentication with integrity protection; see the
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 10]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+     descriptions below for calculating the response directive value for
+     the application of this choice. Unrecognized options MUST be
+     ignored.
+
+   auth-param
+     This directive allows for future extensions. Any unrecognized
+     directive MUST be ignored.
+
+3.2.2 The Authorization Request Header
+
+   The client is expected to retry the request, passing an Authorization
+   header line, which is defined according to the framework above,
+   utilized as follows.
+
+       credentials      = "Digest" digest-response
+       digest-response  = 1#( username | realm | nonce | digest-uri
+                       | response | [ algorithm ] | [cnonce] |
+                       [opaque] | [message-qop] |
+                           [nonce-count]  | [auth-param] )
+
+       username         = "username" "=" username-value
+       username-value   = quoted-string
+       digest-uri       = "uri" "=" digest-uri-value
+       digest-uri-value = request-uri   ; As specified by HTTP/1.1
+       message-qop      = "qop" "=" qop-value
+       cnonce           = "cnonce" "=" cnonce-value
+       cnonce-value     = nonce-value
+       nonce-count      = "nc" "=" nc-value
+       nc-value         = 8LHEX
+       response         = "response" "=" request-digest
+       request-digest = <"> 32LHEX <">
+       LHEX             =  "0" | "1" | "2" | "3" |
+                           "4" | "5" | "6" | "7" |
+                           "8" | "9" | "a" | "b" |
+                           "c" | "d" | "e" | "f"
+
+   The values of the opaque and algorithm fields must be those supplied
+   in the WWW-Authenticate response header for the entity being
+   requested.
+
+   response
+     A string of 32 hex digits computed as defined below, which proves
+     that the user knows a password
+
+   username
+     The user's name in the specified realm.
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 11]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   digest-uri
+     The URI from Request-URI of the Request-Line; duplicated here
+     because proxies are allowed to change the Request-Line in transit.
+
+   qop
+     Indicates what "quality of protection" the client has applied to
+     the message. If present, its value MUST be one of the alternatives
+     the server indicated it supports in the WWW-Authenticate header.
+     These values affect the computation of the request-digest. Note
+     that this is a single token, not a quoted list of alternatives as
+     in WWW- Authenticate.  This directive is optional in order to
+     preserve backward compatibility with a minimal implementation of
+     RFC 2069 [6], but SHOULD be used if the server indicated that qop
+     is supported by providing a qop directive in the WWW-Authenticate
+     header field.
+
+   cnonce
+     This MUST be specified if a qop directive is sent (see above), and
+     MUST NOT be specified if the server did not send a qop directive in
+     the WWW-Authenticate header field.  The cnonce-value is an opaque
+     quoted string value provided by the client and used by both client
+     and server to avoid chosen plaintext attacks, to provide mutual
+     authentication, and to provide some message integrity protection.
+     See the descriptions below of the calculation of the response-
+     digest and request-digest values.
+
+   nonce-count
+     This MUST be specified if a qop directive is sent (see above), and
+     MUST NOT be specified if the server did not send a qop directive in
+     the WWW-Authenticate header field.  The nc-value is the hexadecimal
+     count of the number of requests (including the current request)
+     that the client has sent with the nonce value in this request.  For
+     example, in the first request sent in response to a given nonce
+     value, the client sends "nc=00000001".  The purpose of this
+     directive is to allow the server to detect request replays by
+     maintaining its own copy of this count - if the same nc-value is
+     seen twice, then the request is a replay.   See the description
+     below of the construction of the request-digest value.
+
+   auth-param
+     This directive allows for future extensions. Any unrecognized
+     directive MUST be ignored.
+
+   If a directive or its value is improper, or required directives are
+   missing, the proper response is 400 Bad Request. If the request-
+   digest is invalid, then a login failure should be logged, since
+   repeated login failures from a single client may indicate an attacker
+   attempting to guess passwords.
+
+
+
+Franks, et al.              Standards Track                    [Page 12]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   The definition of request-digest above indicates the encoding for its
+   value. The following definitions show how the value is computed.
+
+3.2.2.1 Request-Digest
+
+   If the "qop" value is "auth" or "auth-int":
+
+      request-digest  = <"> < KD ( H(A1),     unq(nonce-value)
+                                          ":" nc-value
+                                          ":" unq(cnonce-value)
+                                          ":" unq(qop-value)
+                                          ":" H(A2)
+                                  ) <">
+
+   If the "qop" directive is not present (this construction is for
+   compatibility with RFC 2069):
+
+      request-digest  =
+                 <"> < KD ( H(A1), unq(nonce-value) ":" H(A2) ) >
+   <">
+
+   See below for the definitions for A1 and A2.
+
+3.2.2.2 A1
+
+   If the "algorithm" directive's value is "MD5" or is unspecified, then
+   A1 is:
+
+      A1       = unq(username-value) ":" unq(realm-value) ":" passwd
+
+   where
+
+      passwd   = < user's password >
+
+   If the "algorithm" directive's value is "MD5-sess", then A1 is
+   calculated only once - on the first request by the client following
+   receipt of a WWW-Authenticate challenge from the server.  It uses the
+   server nonce from that challenge, and the first client nonce value to
+   construct A1 as follows:
+
+      A1       = H( unq(username-value) ":" unq(realm-value)
+                     ":" passwd )
+                     ":" unq(nonce-value) ":" unq(cnonce-value)
+
+   This creates a 'session key' for the authentication of subsequent
+   requests and responses which is different for each "authentication
+   session", thus limiting the amount of material hashed with any one
+   key.  (Note: see further discussion of the authentication session in
+
+
+
+Franks, et al.              Standards Track                    [Page 13]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   section 3.3.) Because the server need only use the hash of the user
+   credentials in order to create the A1 value, this construction could
+   be used in conjunction with a third party authentication service so
+   that the web server would not need the actual password value.  The
+   specification of such a protocol is beyond the scope of this
+   specification.
+
+3.2.2.3 A2
+
+   If the "qop" directive's value is "auth" or is unspecified, then A2
+   is:
+
+      A2       = Method ":" digest-uri-value
+
+   If the "qop" value is "auth-int", then A2 is:
+
+      A2       = Method ":" digest-uri-value ":" H(entity-body)
+
+3.2.2.4 Directive values and quoted-string
+
+   Note that the value of many of the directives, such as "username-
+   value", are defined as a "quoted-string". However, the "unq" notation
+   indicates that surrounding quotation marks are removed in forming the
+   string A1. Thus if the Authorization header includes the fields
+
+     username="Mufasa", realm=myhost@testrealm.com
+
+   and the user Mufasa has password "Circle Of Life" then H(A1) would be
+   H(Mufasa:myhost@testrealm.com:Circle Of Life) with no quotation marks
+   in the digested string.
+
+   No white space is allowed in any of the strings to which the digest
+   function H() is applied unless that white space exists in the quoted
+   strings or entity body whose contents make up the string to be
+   digested. For example, the string A1 illustrated above must be
+
+        Mufasa:myhost@testrealm.com:Circle Of Life
+
+   with no white space on either side of the colons, but with the white
+   space between the words used in the password value.  Likewise, the
+   other strings digested by H() must not have white space on either
+   side of the colons which delimit their fields unless that white space
+   was in the quoted strings or entity body being digested.
+
+   Also note that if integrity protection is applied (qop=auth-int), the
+   H(entity-body) is the hash of the entity body, not the message body -
+   it is computed before any transfer encoding is applied by the sender
+
+
+
+
+Franks, et al.              Standards Track                    [Page 14]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   and after it has been removed by the recipient. Note that this
+   includes multipart boundaries and embedded headers in each part of
+   any multipart content-type.
+
+3.2.2.5 Various considerations
+
+   The "Method" value is the HTTP request method as specified in section
+   5.1.1 of [2]. The "request-uri" value is the Request-URI from the
+   request line as specified in section 5.1.2 of [2]. This may be "*",
+   an "absoluteURL" or an "abs_path" as specified in section 5.1.2 of
+   [2], but it MUST agree with the Request-URI. In particular, it MUST
+   be an "absoluteURL" if the Request-URI is an "absoluteURL". The
+   "cnonce-value" is an optional  client-chosen value whose purpose is
+   to foil chosen plaintext attacks.
+
+   The authenticating server must assure that the resource designated by
+   the "uri" directive is the same as the resource specified in the
+   Request-Line; if they are not, the server SHOULD return a 400 Bad
+   Request error. (Since this may be a symptom of an attack, server
+   implementers may want to consider logging such errors.) The purpose
+   of duplicating information from the request URL in this field is to
+   deal with the possibility that an intermediate proxy may alter the
+   client's Request-Line. This altered (but presumably semantically
+   equivalent) request would not result in the same digest as that
+   calculated by the client.
+
+   Implementers should be aware of how authenticated transactions
+   interact with shared caches. The HTTP/1.1 protocol specifies that
+   when a shared cache (see section 13.7 of [2]) has received a request
+   containing an Authorization header and a response from relaying that
+   request, it MUST NOT return that response as a reply to any other
+   request, unless one of two Cache-Control (see section 14.9 of [2])
+   directives was present in the response. If the original response
+   included the "must-revalidate" Cache-Control directive, the cache MAY
+   use the entity of that response in replying to a subsequent request,
+   but MUST first revalidate it with the origin server, using the
+   request headers from the new request to allow the origin server to
+   authenticate the new request. Alternatively, if the original response
+   included the "public" Cache-Control directive, the response entity
+   MAY be returned in reply to any subsequent request.
+
+3.2.3 The Authentication-Info Header
+
+   The Authentication-Info header is used by the server to communicate
+   some information regarding the successful authentication in the
+   response.
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 15]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+        AuthenticationInfo = "Authentication-Info" ":" auth-info
+        auth-info          = 1#(nextnonce | [ message-qop ]
+                               | [ response-auth ] | [ cnonce ]
+                               | [nonce-count] )
+        nextnonce          = "nextnonce" "=" nonce-value
+        response-auth      = "rspauth" "=" response-digest
+        response-digest    = <"> *LHEX <">
+
+   The value of the nextnonce directive is the nonce the server wishes
+   the client to use for a future authentication response.  The server
+   may send the Authentication-Info header with a nextnonce field as a
+   means of implementing one-time or otherwise changing  nonces. If the
+   nextnonce field is present the client SHOULD use it when constructing
+   the Authorization header for its next request. Failure of the client
+   to do so may result in a request to re-authenticate from the server
+   with the "stale=TRUE".
+
+     Server implementations should carefully consider the performance
+     implications of the use of this mechanism; pipelined requests will
+     not be possible if every response includes a nextnonce directive
+     that must be used on the next request received by the server.
+     Consideration should be given to the performance vs. security
+     tradeoffs of allowing an old nonce value to be used for a limited
+     time to permit request pipelining.  Use of the nonce-count can
+     retain most of the security advantages of a new server nonce
+     without the deleterious affects on pipelining.
+
+   message-qop
+     Indicates the "quality of protection" options applied to the
+     response by the server.  The value "auth" indicates authentication;
+     the value "auth-int" indicates authentication with integrity
+     protection. The server SHOULD use the same value for the message-
+     qop directive in the response as was sent by the client in the
+     corresponding request.
+
+   The optional response digest in the "response-auth" directive
+   supports mutual authentication -- the server proves that it knows the
+   user's secret, and with qop=auth-int also provides limited integrity
+   protection of the response. The "response-digest" value is calculated
+   as for the "request-digest" in the Authorization header, except that
+   if "qop=auth" or is not specified in the Authorization header for the
+   request, A2 is
+
+      A2       = ":" digest-uri-value
+
+   and if "qop=auth-int", then A2 is
+
+      A2       = ":" digest-uri-value ":" H(entity-body)
+
+
+
+Franks, et al.              Standards Track                    [Page 16]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   where "digest-uri-value" is the value of the "uri" directive on the
+   Authorization header in the request. The "cnonce-value" and "nc-
+   value" MUST be the ones for the client request to which this message
+   is the response. The "response-auth", "cnonce", and "nonce-count"
+   directives MUST BE present if "qop=auth" or "qop=auth-int" is
+   specified.
+
+   The Authentication-Info header is allowed in the trailer of an HTTP
+   message transferred via chunked transfer-coding.
+
+3.3 Digest Operation
+
+   Upon receiving the Authorization header, the server may check its
+   validity by looking up the password that corresponds to the submitted
+   username. Then, the server must perform the same digest operation
+   (e.g., MD5) performed by the client, and compare the result to the
+   given request-digest value.
+
+   Note that the HTTP server does not actually need to know the user's
+   cleartext password. As long as H(A1) is available to the server, the
+   validity of an Authorization header may be verified.
+
+   The client response to a WWW-Authenticate challenge for a protection
+   space starts an authentication session with that protection space.
+   The authentication session lasts until the client receives another
+   WWW-Authenticate challenge from any server in the protection space. A
+   client should remember the username, password, nonce, nonce count and
+   opaque values associated with an authentication session to use to
+   construct the Authorization header in future requests within that
+   protection space. The Authorization header may be included
+   preemptively; doing so improves server efficiency and avoids extra
+   round trips for authentication challenges. The server may choose to
+   accept the old Authorization header information, even though the
+   nonce value included might not be fresh. Alternatively, the server
+   may return a 401 response with a new nonce value, causing the client
+   to retry the request; by specifying stale=TRUE with this response,
+   the server tells the client to retry with the new nonce, but without
+   prompting for a new username and password.
+
+   Because the client is required to return the value of the opaque
+   directive given to it by the server for the duration of a session,
+   the opaque data may be used to transport authentication session state
+   information. (Note that any such use can also be accomplished more
+   easily and safely by including the state in the nonce.) For example,
+   a server could be responsible for authenticating content that
+   actually sits on another server. It would achieve this by having the
+   first 401 response include a domain directive whose value includes a
+   URI on the second server, and an opaque directive whose value
+
+
+
+Franks, et al.              Standards Track                    [Page 17]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   contains the state information. The client will retry the request, at
+   which time the server might respond with a 301/302 redirection,
+   pointing to the URI on the second server. The client will follow the
+   redirection, and pass an Authorization header , including the
+   <opaque> data.
+
+   As with the basic scheme, proxies must be completely transparent in
+   the Digest access authentication scheme. That is, they must forward
+   the WWW-Authenticate, Authentication-Info and Authorization headers
+   untouched. If a proxy wants to authenticate a client before a request
+   is forwarded to the server, it can be done using the Proxy-
+   Authenticate and Proxy-Authorization headers described in section 3.6
+   below.
+
+3.4 Security Protocol Negotiation
+
+   It is useful for a server to be able to know which security schemes a
+   client is capable of handling.
+
+   It is possible that a server may want to require Digest as its
+   authentication method, even if the server does not know that the
+   client supports it. A client is encouraged to fail gracefully if the
+   server specifies only authentication schemes it cannot handle.
+
+3.5 Example
+
+   The following example assumes that an access-protected document is
+   being requested from the server via a GET request. The URI of the
+   document is "http://www.nowhere.org/dir/index.html". Both client and
+   server know that the username for this document is "Mufasa", and the
+   password is "Circle Of Life" (with one space between each of the
+   three words).
+
+   The first time the client requests the document, no Authorization
+   header is sent, so the server responds with:
+
+         HTTP/1.1 401 Unauthorized
+         WWW-Authenticate: Digest
+                 realm="testrealm@host.com",
+                 qop="auth,auth-int",
+                 nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
+                 opaque="5ccc069c403ebaf9f0171e9517f40e41"
+
+   The client may prompt the user for the username and password, after
+   which it will respond with a new request, including the following
+   Authorization header:
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 18]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+         Authorization: Digest username="Mufasa",
+                 realm="testrealm@host.com",
+                 nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
+                 uri="/dir/index.html",
+                 qop=auth,
+                 nc=00000001,
+                 cnonce="0a4f113b",
+                 response="6629fae49393a05397450978507c4ef1",
+                 opaque="5ccc069c403ebaf9f0171e9517f40e41"
+
+3.6 Proxy-Authentication and Proxy-Authorization
+
+   The digest authentication scheme may also be used for authenticating
+   users to proxies, proxies to proxies, or proxies to origin servers by
+   use of the Proxy-Authenticate and Proxy-Authorization headers. These
+   headers are instances of the Proxy-Authenticate and Proxy-
+   Authorization headers specified in sections 10.33 and 10.34 of the
+   HTTP/1.1 specification [2] and their behavior is subject to
+   restrictions described there. The transactions for proxy
+   authentication are very similar to those already described. Upon
+   receiving a request which requires authentication, the proxy/server
+   must issue the "407 Proxy Authentication Required" response with a
+   "Proxy-Authenticate" header.  The digest-challenge used in the
+   Proxy-Authenticate header is the same as that for the WWW-
+   Authenticate header as defined above in section 3.2.1.
+
+   The client/proxy must then re-issue the request with a Proxy-
+   Authorization header, with directives as specified for the
+   Authorization header in section 3.2.2 above.
+
+   On subsequent responses, the server sends Proxy-Authentication-Info
+   with directives the same as those for the Authentication-Info header
+   field.
+
+   Note that in principle a client could be asked to authenticate itself
+   to both a proxy and an end-server, but never in the same response.
+
+4 Security Considerations
+
+4.1 Authentication of Clients using Basic Authentication
+
+   The Basic authentication scheme is not a secure method of user
+   authentication, nor does it in any way protect the entity, which is
+   transmitted in cleartext across the physical network used as the
+   carrier. HTTP does not prevent additional authentication schemes and
+   encryption mechanisms from being employed to increase security or the
+   addition of enhancements (such as schemes to use one-time passwords)
+   to Basic authentication.
+
+
+
+Franks, et al.              Standards Track                    [Page 19]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   The most serious flaw in Basic authentication is that it results in
+   the essentially cleartext transmission of the user's password over
+   the physical network. It is this problem which Digest Authentication
+   attempts to address.
+
+   Because Basic authentication involves the cleartext transmission of
+   passwords it SHOULD NOT be used (without enhancements) to protect
+   sensitive or valuable information.
+
+   A common use of Basic authentication is for identification purposes
+   -- requiring the user to provide a user name and password as a means
+   of identification, for example, for purposes of gathering accurate
+   usage statistics on a server. When used in this way it is tempting to
+   think that there is no danger in its use if illicit access to the
+   protected documents is not a major concern. This is only correct if
+   the server issues both user name and password to the users and in
+   particular does not allow the user to choose his or her own password.
+   The danger arises because naive users frequently reuse a single
+   password to avoid the task of maintaining multiple passwords.
+
+   If a server permits users to select their own passwords, then the
+   threat is not only unauthorized access to documents on the server but
+   also unauthorized access to any other resources on other systems that
+   the user protects with the same password. Furthermore, in the
+   server's password database, many of the passwords may also be users'
+   passwords for other sites. The owner or administrator of such a
+   system could therefore expose all users of the system to the risk of
+   unauthorized access to all those sites if this information is not
+   maintained in a secure fashion.
+
+   Basic Authentication is also vulnerable to spoofing by counterfeit
+   servers. If a user can be led to believe that he is connecting to a
+   host containing information protected by Basic authentication when,
+   in fact, he is connecting to a hostile server or gateway, then the
+   attacker can request a password, store it for later use, and feign an
+   error. This type of attack is not possible with Digest
+   Authentication. Server implementers SHOULD guard against the
+   possibility of this sort of counterfeiting by gateways or CGI
+   scripts. In particular it is very dangerous for a server to simply
+   turn over a connection to a gateway.  That gateway can then use the
+   persistent connection mechanism to engage in multiple transactions
+   with the client while impersonating the original server in a way that
+   is not detectable by the client.
+
+4.2 Authentication of Clients using Digest Authentication
+
+   Digest Authentication does not provide a strong authentication
+   mechanism, when compared to public key based mechanisms, for example.
+
+
+
+Franks, et al.              Standards Track                    [Page 20]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   However, it is significantly stronger than (e.g.) CRAM-MD5, which has
+   been proposed for use with LDAP [10], POP and IMAP (see RFC 2195
+   [9]).  It is intended to replace the much weaker and even more
+   dangerous Basic mechanism.
+
+   Digest Authentication offers no confidentiality protection beyond
+   protecting the actual password. All of the rest of the request and
+   response are available to an eavesdropper.
+
+   Digest Authentication offers only limited integrity protection for
+   the messages in either direction. If  qop=auth-int mechanism is used,
+   those parts of the message used in the calculation of the WWW-
+   Authenticate and Authorization header field response directive values
+   (see section 3.2 above) are  protected.  Most header fields and their
+   values could be modified as a part of a man-in-the-middle attack.
+
+   Many needs for secure HTTP transactions cannot be met by Digest
+   Authentication. For those needs TLS or SHTTP are more appropriate
+   protocols. In particular Digest authentication cannot be used for any
+   transaction requiring confidentiality protection.  Nevertheless many
+   functions remain for which Digest authentication is both useful and
+   appropriate.  Any service in present use that uses Basic should be
+   switched to Digest as soon as practical.
+
+4.3 Limited Use Nonce Values
+
+   The Digest scheme uses a server-specified nonce to seed the
+   generation of the request-digest value (as specified in section
+   3.2.2.1 above).  As shown in the example nonce in section 3.2.1, the
+   server is free to construct the nonce such that it may only be used
+   from a particular client, for a particular resource, for a limited
+   period of time or number of uses, or any other restrictions.  Doing
+   so strengthens the protection provided against, for example, replay
+   attacks (see 4.5).  However, it should be noted that the method
+   chosen for generating and checking the nonce also has performance and
+   resource implications.  For example, a server may choose to allow
+   each nonce value to be used only once by maintaining a record of
+   whether or not each recently issued nonce has been returned and
+   sending a next-nonce directive in the Authentication-Info header
+   field of every response. This protects against even an immediate
+   replay attack, but has a high cost checking nonce values, and perhaps
+   more important will cause authentication failures for any pipelined
+   requests (presumably returning a stale nonce indication).  Similarly,
+   incorporating a request-specific element such as the Etag value for a
+   resource limits the use of the nonce to that version of the resource
+   and also defeats pipelining. Thus it may be useful to do so for
+   methods with side effects but have unacceptable performance for those
+   that do not.
+
+
+
+Franks, et al.              Standards Track                    [Page 21]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+4.4 Comparison of Digest with Basic Authentication
+
+   Both Digest and Basic Authentication are very much on the weak end of
+   the security strength spectrum. But a comparison between the two
+   points out the utility, even necessity, of replacing Basic by Digest.
+
+   The greatest threat to the type of transactions for which these
+   protocols are used is network snooping. This kind of transaction
+   might involve, for example, online access to a database whose use is
+   restricted to paying subscribers. With Basic authentication an
+   eavesdropper can obtain the password of the user. This not only
+   permits him to access anything in the database, but, often worse,
+   will permit access to anything else the user protects with the same
+   password.
+
+   By contrast, with Digest Authentication the eavesdropper only gets
+   access to the transaction in question and not to the user's password.
+   The information gained by the eavesdropper would permit a replay
+   attack, but only with a request for the same document, and even that
+   may be limited by the server's choice of nonce.
+
+4.5 Replay Attacks
+
+   A replay attack against Digest authentication would usually be
+   pointless for a simple GET request since an eavesdropper would
+   already have seen the only document he could obtain with a replay.
+   This is because the URI of the requested document is digested in the
+   client request and the server will only deliver that document. By
+   contrast under Basic Authentication once the eavesdropper has the
+   user's password, any document protected by that password is open to
+   him.
+
+   Thus, for some purposes, it is necessary to protect against replay
+   attacks. A good Digest implementation can do this in various ways.
+   The server created "nonce" value is implementation dependent, but if
+   it contains a digest of the client IP, a time-stamp, the resource
+   ETag, and a private server key (as recommended above) then a replay
+   attack is not simple. An attacker must convince the server that the
+   request is coming from a false IP address and must cause the server
+   to deliver the document to an IP address different from the address
+   to which it believes it is sending the document. An attack can only
+   succeed in the period before the time-stamp expires. Digesting the
+   client IP and time-stamp in the nonce permits an implementation which
+   does not maintain state between transactions.
+
+   For applications where no possibility of replay attack can be
+   tolerated the server can use one-time nonce values which will not be
+   honored for a second use. This requires the overhead of the server
+
+
+
+Franks, et al.              Standards Track                    [Page 22]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   remembering which nonce values have been used until the nonce time-
+   stamp (and hence the digest built with it) has expired, but it
+   effectively protects against replay attacks.
+
+   An implementation must give special attention to the possibility of
+   replay attacks with POST and PUT requests. Unless the server employs
+   one-time or otherwise limited-use nonces and/or insists on the use of
+   the integrity protection of qop=auth-int, an attacker could replay
+   valid credentials from a successful request with counterfeit form
+   data or other message body. Even with the use of integrity protection
+   most metadata in header fields is not protected. Proper nonce
+   generation and checking provides some protection against replay of
+   previously used valid credentials, but see 4.8.
+
+4.6 Weakness Created by Multiple Authentication Schemes
+
+   An HTTP/1.1 server may return multiple challenges with a 401
+   (Authenticate) response, and each challenge may use a different
+   auth-scheme. A user agent MUST choose to use the strongest auth-
+   scheme it understands and request credentials from the user based
+   upon that challenge.
+
+      Note that many browsers will only recognize Basic and will require
+      that it be the first auth-scheme presented. Servers should only
+      include Basic if it is minimally acceptable.
+
+   When the server offers choices of authentication schemes using the
+   WWW-Authenticate header, the strength of the resulting authentication
+   is only as good as that of the of the weakest of the authentication
+   schemes. See section 4.8 below for discussion of particular attack
+   scenarios that exploit multiple authentication schemes.
+
+4.7 Online dictionary attacks
+
+   If the attacker can eavesdrop, then it can test any overheard
+   nonce/response pairs against a list of common words. Such a list is
+   usually much smaller than the total number of possible passwords. The
+   cost of computing the response for each password on the list is paid
+   once for each challenge.
+
+   The server can mitigate this attack by not allowing users to select
+   passwords that are in a dictionary.
+
+
+
+
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 23]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+4.8 Man in the Middle
+
+   Both Basic and Digest authentication are vulnerable to "man in the
+   middle" (MITM) attacks, for example, from a hostile or compromised
+   proxy. Clearly, this would present all the problems of eavesdropping.
+   But it also offers some additional opportunities to the attacker.
+
+   A possible man-in-the-middle attack would be to add a weak
+   authentication scheme to the set of choices, hoping that the client
+   will use one that exposes the user's credentials (e.g. password). For
+   this reason, the client should always use the strongest scheme that
+   it understands from the choices offered.
+
+   An even better MITM attack would be to remove all offered choices,
+   replacing them with a challenge that requests only Basic
+   authentication, then uses the cleartext credentials from the Basic
+   authentication to authenticate to the origin server using the
+   stronger scheme it requested. A particularly insidious way to mount
+   such a MITM attack would be to offer a "free" proxy caching service
+   to gullible users.
+
+   User agents should consider measures such as presenting a visual
+   indication at the time of the credentials request of what
+   authentication scheme is to be used, or remembering the strongest
+   authentication scheme ever requested by a server and produce a
+   warning message before using a weaker one. It might also be a good
+   idea for the user agent to be configured to demand Digest
+   authentication in general, or from specific sites.
+
+   Or, a hostile proxy might spoof the client into making a request the
+   attacker wanted rather than one the client wanted. Of course, this is
+   still much harder than a comparable attack against Basic
+   Authentication.
+
+4.9 Chosen plaintext attacks
+
+   With Digest authentication, a MITM or a malicious server can
+   arbitrarily choose the nonce that the client will use to compute the
+   response. This is called a "chosen plaintext" attack. The ability to
+   choose the nonce is known to make cryptanalysis much easier [8].
+
+   However, no way to analyze the MD5 one-way function used by Digest
+   using chosen plaintext is currently known.
+
+   The countermeasure against this attack is for clients to be
+   configured to require the use of the optional "cnonce" directive;
+   this allows the client to vary the input to the hash in a way not
+   chosen by the attacker.
+
+
+
+Franks, et al.              Standards Track                    [Page 24]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+4.10 Precomputed dictionary attacks
+
+   With Digest authentication, if the attacker can execute a chosen
+   plaintext attack, the attacker can precompute the response for many
+   common words to a nonce of its choice, and store a dictionary of
+   (response, password) pairs. Such precomputation can often be done in
+   parallel on many machines. It can then use the chosen plaintext
+   attack to acquire a response corresponding to that challenge, and
+   just look up the password in the dictionary. Even if most passwords
+   are not in the dictionary, some might be. Since the attacker gets to
+   pick the challenge, the cost of computing the response for each
+   password on the list can be amortized over finding many passwords. A
+   dictionary with 100 million password/response pairs would take about
+   3.2 gigabytes of disk storage.
+
+   The countermeasure against this attack is to for clients to be
+   configured to require the use of the optional "cnonce" directive.
+
+4.11 Batch brute force attacks
+
+   With Digest authentication, a MITM can execute a chosen plaintext
+   attack, and can gather responses from many users to the same nonce.
+   It can then find all the passwords within any subset of password
+   space that would generate one of the nonce/response pairs in a single
+   pass over that space. It also reduces the time to find the first
+   password by a factor equal to the number of nonce/response pairs
+   gathered. This search of the password space can often be done in
+   parallel on many machines, and even a single machine can search large
+   subsets of the password space very quickly -- reports exist of
+   searching all passwords with six or fewer letters in a few hours.
+
+   The countermeasure against this attack is to for clients to be
+   configured to require the use of the optional "cnonce" directive.
+
+4.12 Spoofing by Counterfeit Servers
+
+   Basic Authentication is vulnerable to spoofing by counterfeit
+   servers.  If a user can be led to believe that she is connecting to a
+   host containing information protected by a password she knows, when
+   in fact she is connecting to a hostile server, then the hostile
+   server can request a password, store it away for later use, and feign
+   an error.  This type of attack is more difficult with Digest
+   Authentication -- but the client must know to demand that Digest
+   authentication be used, perhaps using some of the techniques
+   described above to counter "man-in-the-middle" attacks.  Again, the
+   user can be helped in detecting this attack by a visual indication of
+   the authentication mechanism in use with appropriate guidance in
+   interpreting the implications of each scheme.
+
+
+
+Franks, et al.              Standards Track                    [Page 25]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+4.13 Storing passwords
+
+   Digest authentication requires that the authenticating agent (usually
+   the server) store some data derived from the user's name and password
+   in a "password file" associated with a given realm. Normally this
+   might contain pairs consisting of username and H(A1), where H(A1) is
+   the digested value of the username, realm, and password as described
+   above.
+
+   The security implications of this are that if this password file is
+   compromised, then an attacker gains immediate access to documents on
+   the server using this realm. Unlike, say a standard UNIX password
+   file, this information need not be decrypted in order to access
+   documents in the server realm associated with this file. On the other
+   hand, decryption, or more likely a brute force attack, would be
+   necessary to obtain the user's password. This is the reason that the
+   realm is part of the digested data stored in the password file. It
+   means that if one Digest authentication password file is compromised,
+   it does not automatically compromise others with the same username
+   and password (though it does expose them to brute force attack).
+
+   There are two important security consequences of this. First the
+   password file must be protected as if it contained unencrypted
+   passwords, because for the purpose of accessing documents in its
+   realm, it effectively does.
+
+   A second consequence of this is that the realm string should be
+   unique among all realms which any single user is likely to use. In
+   particular a realm string should include the name of the host doing
+   the authentication. The inability of the client to authenticate the
+   server is a weakness of Digest Authentication.
+
+4.14 Summary
+
+   By modern cryptographic standards Digest Authentication is weak. But
+   for a large range of purposes it is valuable as a replacement for
+   Basic Authentication. It remedies some, but not all, weaknesses of
+   Basic Authentication. Its strength may vary depending on the
+   implementation.  In particular the structure of the nonce (which is
+   dependent on the server implementation) may affect the ease of
+   mounting a replay attack.  A range of server options is appropriate
+   since, for example, some implementations may be willing to accept the
+   server overhead of one-time nonces or digests to eliminate the
+   possibility of replay. Others may satisfied with a nonce like the one
+   recommended above restricted to a single IP address and a single ETag
+   or with a limited lifetime.
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 26]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   The bottom line is that *any* compliant implementation will be
+   relatively weak by cryptographic standards, but *any* compliant
+   implementation will be far superior to Basic Authentication.
+
+5 Sample implementation
+
+   The following code implements the calculations of H(A1), H(A2),
+   request-digest and response-digest, and a test program which computes
+   the values used in the example of section 3.5. It uses the MD5
+   implementation from RFC 1321.
+
+   File "digcalc.h":
+
+#define HASHLEN 16
+typedef char HASH[HASHLEN];
+#define HASHHEXLEN 32
+typedef char HASHHEX[HASHHEXLEN+1];
+#define IN
+#define OUT
+
+/* calculate H(A1) as per HTTP Digest spec */
+void DigestCalcHA1(
+    IN char * pszAlg,
+    IN char * pszUserName,
+    IN char * pszRealm,
+    IN char * pszPassword,
+    IN char * pszNonce,
+    IN char * pszCNonce,
+    OUT HASHHEX SessionKey
+    );
+
+/* calculate request-digest/response-digest as per HTTP Digest spec */
+void DigestCalcResponse(
+    IN HASHHEX HA1,           /* H(A1) */
+    IN char * pszNonce,       /* nonce from server */
+    IN char * pszNonceCount,  /* 8 hex digits */
+    IN char * pszCNonce,      /* client nonce */
+    IN char * pszQop,         /* qop-value: "", "auth", "auth-int" */
+    IN char * pszMethod,      /* method from the request */
+    IN char * pszDigestUri,   /* requested URL */
+    IN HASHHEX HEntity,       /* H(entity body) if qop="auth-int" */
+    OUT HASHHEX Response      /* request-digest or response-digest */
+    );
+
+File "digcalc.c":
+
+#include <global.h>
+#include <md5.h>
+
+
+
+Franks, et al.              Standards Track                    [Page 27]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+#include <string.h>
+#include "digcalc.h"
+
+void CvtHex(
+    IN HASH Bin,
+    OUT HASHHEX Hex
+    )
+{
+    unsigned short i;
+    unsigned char j;
+
+    for (i = 0; i < HASHLEN; i++) {
+        j = (Bin[i] >> 4) & 0xf;
+        if (j <= 9)
+            Hex[i*2] = (j + '0');
+         else
+            Hex[i*2] = (j + 'a' - 10);
+        j = Bin[i] & 0xf;
+        if (j <= 9)
+            Hex[i*2+1] = (j + '0');
+         else
+            Hex[i*2+1] = (j + 'a' - 10);
+    };
+    Hex[HASHHEXLEN] = '\0';
+};
+
+/* calculate H(A1) as per spec */
+void DigestCalcHA1(
+    IN char * pszAlg,
+    IN char * pszUserName,
+    IN char * pszRealm,
+    IN char * pszPassword,
+    IN char * pszNonce,
+    IN char * pszCNonce,
+    OUT HASHHEX SessionKey
+    )
+{
+      MD5_CTX Md5Ctx;
+      HASH HA1;
+
+      MD5Init(&Md5Ctx);
+      MD5Update(&Md5Ctx, pszUserName, strlen(pszUserName));
+      MD5Update(&Md5Ctx, ":", 1);
+      MD5Update(&Md5Ctx, pszRealm, strlen(pszRealm));
+      MD5Update(&Md5Ctx, ":", 1);
+      MD5Update(&Md5Ctx, pszPassword, strlen(pszPassword));
+      MD5Final(HA1, &Md5Ctx);
+      if (stricmp(pszAlg, "md5-sess") == 0) {
+
+
+
+Franks, et al.              Standards Track                    [Page 28]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+            MD5Init(&Md5Ctx);
+            MD5Update(&Md5Ctx, HA1, HASHLEN);
+            MD5Update(&Md5Ctx, ":", 1);
+            MD5Update(&Md5Ctx, pszNonce, strlen(pszNonce));
+            MD5Update(&Md5Ctx, ":", 1);
+            MD5Update(&Md5Ctx, pszCNonce, strlen(pszCNonce));
+            MD5Final(HA1, &Md5Ctx);
+      };
+      CvtHex(HA1, SessionKey);
+};
+
+/* calculate request-digest/response-digest as per HTTP Digest spec */
+void DigestCalcResponse(
+    IN HASHHEX HA1,           /* H(A1) */
+    IN char * pszNonce,       /* nonce from server */
+    IN char * pszNonceCount,  /* 8 hex digits */
+    IN char * pszCNonce,      /* client nonce */
+    IN char * pszQop,         /* qop-value: "", "auth", "auth-int" */
+    IN char * pszMethod,      /* method from the request */
+    IN char * pszDigestUri,   /* requested URL */
+    IN HASHHEX HEntity,       /* H(entity body) if qop="auth-int" */
+    OUT HASHHEX Response      /* request-digest or response-digest */
+    )
+{
+      MD5_CTX Md5Ctx;
+      HASH HA2;
+      HASH RespHash;
+       HASHHEX HA2Hex;
+
+      // calculate H(A2)
+      MD5Init(&Md5Ctx);
+      MD5Update(&Md5Ctx, pszMethod, strlen(pszMethod));
+      MD5Update(&Md5Ctx, ":", 1);
+      MD5Update(&Md5Ctx, pszDigestUri, strlen(pszDigestUri));
+      if (stricmp(pszQop, "auth-int") == 0) {
+            MD5Update(&Md5Ctx, ":", 1);
+            MD5Update(&Md5Ctx, HEntity, HASHHEXLEN);
+      };
+      MD5Final(HA2, &Md5Ctx);
+       CvtHex(HA2, HA2Hex);
+
+      // calculate response
+      MD5Init(&Md5Ctx);
+      MD5Update(&Md5Ctx, HA1, HASHHEXLEN);
+      MD5Update(&Md5Ctx, ":", 1);
+      MD5Update(&Md5Ctx, pszNonce, strlen(pszNonce));
+      MD5Update(&Md5Ctx, ":", 1);
+      if (*pszQop) {
+
+
+
+Franks, et al.              Standards Track                    [Page 29]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+          MD5Update(&Md5Ctx, pszNonceCount, strlen(pszNonceCount));
+          MD5Update(&Md5Ctx, ":", 1);
+          MD5Update(&Md5Ctx, pszCNonce, strlen(pszCNonce));
+          MD5Update(&Md5Ctx, ":", 1);
+          MD5Update(&Md5Ctx, pszQop, strlen(pszQop));
+          MD5Update(&Md5Ctx, ":", 1);
+      };
+      MD5Update(&Md5Ctx, HA2Hex, HASHHEXLEN);
+      MD5Final(RespHash, &Md5Ctx);
+      CvtHex(RespHash, Response);
+};
+
+File "digtest.c":
+
+
+#include <stdio.h>
+#include "digcalc.h"
+
+void main(int argc, char ** argv) {
+
+      char * pszNonce = "dcd98b7102dd2f0e8b11d0f600bfb0c093";
+      char * pszCNonce = "0a4f113b";
+      char * pszUser = "Mufasa";
+      char * pszRealm = "testrealm@host.com";
+      char * pszPass = "Circle Of Life";
+      char * pszAlg = "md5";
+      char szNonceCount[9] = "00000001";
+      char * pszMethod = "GET";
+      char * pszQop = "auth";
+      char * pszURI = "/dir/index.html";
+      HASHHEX HA1;
+      HASHHEX HA2 = "";
+      HASHHEX Response;
+
+      DigestCalcHA1(pszAlg, pszUser, pszRealm, pszPass, pszNonce,
+pszCNonce, HA1);
+      DigestCalcResponse(HA1, pszNonce, szNonceCount, pszCNonce, pszQop,
+       pszMethod, pszURI, HA2, Response);
+      printf("Response = %s\n", Response);
+};
+
+
+
+
+
+
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 30]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+6 Acknowledgments
+
+   Eric W. Sink, of AbiSource, Inc., was one of the original authors
+   before the specification underwent substantial revision.
+
+   In addition to the authors, valuable discussion instrumental in
+   creating this document has come from Peter J. Churchyard, Ned Freed,
+   and David M.  Kristol.
+
+   Jim Gettys and Larry Masinter edited this document for update.
+
+7 References
+
+   [1]  Berners-Lee, T.,  Fielding, R. and H. Frystyk, "Hypertext
+        Transfer Protocol -- HTTP/1.0", RFC 1945, May 1996.
+
+   [2]  Fielding, R.,  Gettys, J., Mogul, J., Frysyk, H., Masinter, L.,
+        Leach, P. and T. Berners-Lee, "Hypertext Transfer Protocol --
+        HTTP/1.1", RFC 2616, June 1999.
+
+   [3]  Rivest, R., "The MD5 Message-Digest Algorithm", RFC 1321, April
+        1992.
+
+   [4]  Freed, N. and N. Borenstein. "Multipurpose Internet Mail
+        Extensions (MIME) Part One: Format of Internet Message Bodies",
+        RFC 2045, November 1996.
+
+   [5]  Dierks, T. and C. Allen "The TLS Protocol, Version 1.0", RFC
+        2246, January 1999.
+
+   [6]  Franks, J., Hallam-Baker, P., Hostetler, J., Leach, P.,
+        Luotonen, A., Sink, E. and L. Stewart, "An Extension to HTTP :
+        Digest Access Authentication", RFC 2069, January 1997.
+
+   [7]  Berners Lee, T, Fielding, R. and L. Masinter, "Uniform Resource
+        Identifiers (URI): Generic Syntax", RFC 2396, August 1998.
+
+   [8]  Kaliski, B.,Robshaw, M., "Message Authentication with MD5",
+        CryptoBytes, Sping 1995, RSA Inc,
+        (http://www.rsa.com/rsalabs/pubs/cryptobytes/spring95/md5.htm)
+
+   [9]  Klensin, J., Catoe, R. and P. Krumviede, "IMAP/POP AUTHorize
+        Extension for Simple Challenge/Response", RFC 2195, September
+        1997.
+
+   [10] Morgan, B., Alvestrand, H., Hodges, J., Wahl, M.,
+        "Authentication Methods for LDAP", Work in Progress.
+
+
+
+
+Franks, et al.              Standards Track                    [Page 31]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+8 Authors' Addresses
+
+   John Franks
+   Professor of Mathematics
+   Department of Mathematics
+   Northwestern University
+   Evanston, IL 60208-2730, USA
+
+   EMail: john@math.nwu.edu
+
+
+   Phillip M. Hallam-Baker
+   Principal Consultant
+   Verisign Inc.
+   301 Edgewater Place
+   Suite 210
+   Wakefield MA 01880, USA
+
+   EMail: pbaker@verisign.com
+
+
+   Jeffery L. Hostetler
+   Software Craftsman
+   AbiSource, Inc.
+   6 Dunlap Court
+   Savoy, IL 61874
+
+   EMail: jeff@AbiSource.com
+
+
+   Scott D. Lawrence
+   Agranat Systems, Inc.
+   5 Clocktower Place, Suite 400
+   Maynard, MA 01754, USA
+
+   EMail: lawrence@agranat.com
+
+
+   Paul J. Leach
+   Microsoft Corporation
+   1 Microsoft Way
+   Redmond, WA 98052, USA
+
+   EMail: paulle@microsoft.com
+
+
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 32]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+   Ari Luotonen
+   Member of Technical Staff
+   Netscape Communications Corporation
+   501 East Middlefield Road
+   Mountain View, CA 94043, USA
+
+
+   Lawrence C. Stewart
+   Open Market, Inc.
+   215 First Street
+   Cambridge, MA  02142, USA
+
+   EMail: stewart@OpenMarket.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 33]
+
+RFC 2617                  HTTP Authentication                  June 1999
+
+
+9.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Franks, et al.              Standards Track                    [Page 34]
+
diff --git a/standards/rfc2639.txt b/standards/rfc2639.txt
new file mode 100644
index 000000000..e3ab71684
--- /dev/null
+++ b/standards/rfc2639.txt
@@ -0,0 +1,3587 @@
+
+
+
+
+
+
+Network Working Group                                        T. Hastings
+Request for Comments: 2639                                     C. Manros
+Category: Informational                                Xerox Corporation
+                                                               July 1999
+
+
+          Internet Printing Protocol/1.0: Implementer's Guide
+
+Status of this Memo
+
+   This memo provides information for the Internet community.  It does
+   not specify an Internet standard of any kind.  Distribution of this
+   memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP).  IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies.  This document contains
+   information that supplements the IPP Model and Semantics [RFC2566]
+   and the IPP Transport and Encoding [RFC2565] documents.  It is
+   intended to help implementers understand IPP/1.0 and some of the
+   considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The full set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+        Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.0: Model and Semantics [RFC2566]
+     Internet Printing Protocol/1.0: Encoding and Transport [RFC2565]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   The document, "Design Goals for an Internet Printing Protocol", takes
+   a broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+
+
+
+
+
+Hastings & Manros            Informational                      [Page 1]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   administrators.  The design goals document calls out a subset of end
+   user requirements that are satisfied in IPP/1.0.  Operator and
+   administrator requirements are out of scope for version 1.0.
+
+   The document, "Rationale for the Structure and Model and Protocol for
+   the Internet Printing Protocol", describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specifications, and gives background and rationale for the
+   IETF working group's major decisions.
+
+   The document, "Internet Printing Protocol/1.0: Model and Semantics",
+   describes a simplified model with abstract objects, their attributes,
+   and their operations.  The model introduces a Printer and a Job.  The
+   Job supports multiple documents per Job.  The model document also
+   addresses how security, internationalization, and directory issues
+   are addressed.
+
+   The document, "Internet Printing Protocol/1.0: Encoding and
+   Transport", is a formal mapping of the abstract operations and
+   attributes defined in the model document onto HTTP/1.1.  It also
+   defines the encoding rules for a new Internet media type called
+   "application/ipp".
+
+   The document, "Mapping between LPD and IPP Protocols", gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+Table of Contents
+
+  1  Introduction......................................................4
+   1.1 Conformance language............................................4
+   1.2 Other terminology...............................................5
+  2  Model and Semantics...............................................5
+   2.1 Summary of Operation Attributes.................................5
+   2.2 Suggested Operation Processing Steps for IPP Objects ..........10
+       2.2.1 Suggested Operation Processing Steps for all Operations..11
+       2.2.1.1  Validate version number...............................11
+       2.2.1.2  Validate operation identifier.........................11
+       2.2.1.3  Validate the request identifier.......................11
+       2.2.1.4  Validate attribute group and attribute presence and
+                order.................................................12
+       2.2.1.5  Validate the values of the REQUIRED Operation
+                attributes............................................19
+       2.2.1.6  Validate the values of the OPTIONAL Operation
+                attributes............................................23
+     2.2.2 Suggested Additional Processing Steps for Operations that
+           Create/Validate Jobs and Add Documents.....................26
+       2.2.2.1  Default "ipp-attribute-fidelity" if not supplied......26
+
+
+
+Hastings & Manros            Informational                      [Page 2]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+       2.2.2.2  Check that the Printer object is accepting jobs.......26
+       2.2.2.3  Validate the values of the Job Template attributes....26
+     2.2.3 Algorithm for job validation...............................27
+       2.2.3.1  Check for conflicting Job Template attributes values..33
+       2.2.3.2  Decide whether to REJECT the request..................33
+       2.2.3.3  For the Validate-Job operation, RETURN one of the
+                success status codes..................................34
+       2.2.3.4  Create the Job object with attributes to support......34
+       2.2.3.5  Return one of the success status codes................36
+       2.2.3.6  Accept appended Document Content......................36
+       2.2.3.7  Scheduling and Starting to Process the Job............36
+       2.2.3.8  Completing the Job....................................37
+       2.2.3.9  Destroying the Job after completion...................37
+       2.2.3.10 Interaction with "ipp-attribute-fidelity".............37
+   2.3 Status codes returned by operation ............................37
+     2.3.1 Printer Operations.........................................38
+       2.3.1.1  Print-Job.............................................38
+       2.3.1.2  Print-URI.............................................40
+       2.3.1.3  Validate-Job..........................................40
+       2.3.1.4  Create-Job............................................41
+       2.3.1.5  Get-Printer-Attributes................................41
+       2.3.1.6  Get-Jobs..............................................42
+     2.3.2 Job Operations.............................................43
+       2.3.2.1  Send-Document.........................................43
+       2.3.2.2  Send-URI..............................................44
+       2.3.2.3  Cancel-Job............................................44
+       2.3.2.4  Get-Job-Attributes....................................45
+   2.4 Validate-Job...................................................46
+   2.5 Case Sensitivity in URIs ......................................46
+   2.6 Character Sets, natural languages, and internationalization....46
+     2.6.1 Character set code conversion support .....................46
+     2.6.2 What charset to return when an unsupported charset is
+           requested?.................................................48
+     2.6.3 Natural Language Override (NLO) ...........................48
+   2.7 The "queued-job-count" Printer Description attribute...........50
+     2.7.1 Why is "queued-job-count" RECOMMENDED?.....................50
+     2.7.2 Is "queued-job-count" a good measure of how busy a printer
+           is?........................................................50
+   2.8 Sending empty attribute groups ................................50
+   2.9 Returning unsupported attributes in Get-Xxxx responses ........51
+   2.10 Returning job-state in Print-Job response ....................51
+   2.11 Flow controlling the data portion of a Print-Job request .....52
+   2.12 Multi-valued attributes ......................................53
+   2.13 Querying jobs with IPP that were submitted using other job
+        submission protocols .........................................53
+   2.14 The 'none' value for empty sets ..............................54
+   2.15 Get-Jobs, my-jobs='true', and 'requesting-user-name'?.........54
+
+
+
+
+Hastings & Manros            Informational                      [Page 3]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   2.16 The "multiple-document-handling" Job Template attribute and
+        support of multiple document jobs.............................54
+  3  Encoding and Transport...........................................55
+   3.1 General Headers................................................56
+   3.2 Request  Headers...............................................57
+   3.3 Response Headers...............................................58
+   3.4 Entity  Headers................................................59
+   3.5 Optional support for HTTP/1.0..................................60
+   3.6 HTTP/1.1 Chunking..............................................60
+     3.6.1 Disabling IPP Server Response Chunking.....................60
+     3.6.2 Warning About the Support of Chunked Requests..............60
+  4  References.......................................................61
+   4.1 Authors' Addresses.............................................62
+  5  Security Considerations..........................................62
+  6  Notices..........................................................62
+  Full Copyright Statement............................................65
+
+1  Introduction
+
+  This document contains information that supplements the IPP Model and
+  Semantics [RFC2566] and the IPP Transport and Encoding [RFC2565]
+  documents.  As such this information is not part of the formal
+  specifications.  Instead information is presented to help implementers
+  understand the specification, including some of the motivation for
+  decisions taken by the committee in developing the specification.
+  Some of the implementation considerations are intended to help
+  implementers design their client and/or IPP object implementations.
+  If there are any contradictions between this document and [RFC2566] or
+  [RFC2565], those documents take precedence over this document.
+
+1.1 Conformance language
+
+  Usually, this document does not contain the terminology MUST, MUST
+  NOT, MAY, NEED NOT, SHOULD, SHOULD NOT, REQUIRED, and OPTIONAL.
+  However, when those terms do appear in this document, their intent is
+  to repeat what the [RFC2566] and [RFC2565] documents require and
+  allow, rather than specifying additional conformance requirements.
+  These terms are defined in section 13 on conformance terminology in
+  [RFC2566], most of which is taken from RFC 2119 [RFC2119].
+
+  Implementers should read section 13 in [RFC2566] in order to
+  understand these capitalized words.  The words MUST, MUST NOT, and
+  REQUIRED indicate what implementations are required to support in a
+  client or IPP object in order to be conformant to [RFC2566] and
+  [RFC2565].  MAY, NEED NOT, and OPTIONAL indicate was is merely allowed
+  as an implementer option.  The verbs SHOULD and SHOULD NOT indicate
+  suggested behavior, but which is not required or disallowed,
+  respectively, in order to conform to the specification.
+
+
+
+Hastings & Manros            Informational                      [Page 4]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+1.2 Other terminology
+
+  The term "sender" refers to the client that sends a request or an IPP
+  object that returns a response.  The term "receiver" refers to the IPP
+  object that receives a request and to a client that receives a
+  response.
+
+2  Model and Semantics
+
+  This section discusses various aspects of IPP/1.0 Model and Semantics
+  [RFC2566].
+
+2.1 Summary of Operation Attributes
+
+  Legend for the following table:
+
+      R indicates a REQUIRED operation or attribute for an
+        implementation to support
+
+      O indicates an OPTIONAL operation or attribute for an
+        implementation to support
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                      [Page 5]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+    Table 1.  Summary of operation attributes for Printer operations
+
+                           Printer Operations
+
+                         Requests                         Responses
+
+     Operation           Print-   Pri  Crea Get-     Get- All
+     Attributes          Job,     nt-  te-  Printer- Jobs Opera-
+                         Validate URI  Job  Attribut      tions
+                         -Job     (O)  (O)  es
+
+     Operation parameters--REQUIRED to be supplied by the sender
+
+     operation-id           R      R    R      R      R
+
+     status-code                                            R
+
+     request-id             R      R    R      R      R     R
+
+     version-number         R      R    R      R      R     R
+
+     Operation attributes-REQUIRED to be supplied by the sender
+
+     attributes-charset     R      R    R      R      R     R
+
+     attributes-            R      R    R      R      R     R
+     natural-language
+
+     document-uri                   R
+
+     job-id*
+
+     job-uri*
+
+     last-document
+
+     printer-uri            R      R    R      R      R
+
+     Operation attributes-RECOMMENDED to be supplied by the sender
+
+     job-name               R      R    R
+
+     requesting-user-       R      R    R      R      R
+     name
+
+
+
+
+
+
+
+Hastings & Manros            Informational                      [Page 6]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+                           Printer Operations
+
+                         Requests                        Responses
+
+      Operation          Print-   Pri  Crea Get-    Get-  All
+      Attributes         Job,     nt-  te-  Printer Jobs  Opera-
+                         Vali-    URI  Job  Attri-        tions
+                         date-Job (O)  (O)  butes
+
+      Operation attributes-OPTIONAL to be supplied by the sender
+
+      status-message                                         O
+
+      compression           O     O
+
+      document-format       R     R           O
+
+      document-name         O     O
+
+      document-natural-     O     O
+      language
+
+      ipp-attribute-        R     R    R
+      fidelity
+
+      job-impressions       O     O    O
+
+      job-k-octets          O     O    O
+
+      job-media-sheets      O     O    O
+
+      limit                                           R
+
+      message
+
+      my-jobs                                         R
+
+      requested-                               R      R
+      attributes
+
+      which-jobs                                      R
+
+      *  "job-id" is REQUIRED only if used together with
+      "printer-uri" to identify the target job; otherwise, "job-
+      uri" is REQUIRED.
+
+
+
+
+
+
+Hastings & Manros            Informational                      [Page 7]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      Table 2.  Summary of operation attributes for Job operations
+
+
+                         Requests                         Responses
+
+      Operation          Send-    Send-  Cancel  Get-     All
+      Attributes         Document URI    -Job    Job-     Opera-
+                         (O)      (O)            Attri-   tions
+                                                 butes
+
+      Operation parameters--REQUIRED to be supplied by the sender
+
+      operation-id          R       R      R       R
+
+      status-code                                          R
+
+      request-id            R       R      R       R       R
+
+      version-number        R       R      R       R       R
+
+      Operation attributes-REQUIRED to be supplied by the sender
+
+      attributes-           R       R      R       R       R
+      charset
+
+      attributes-           R       R      R       R       R
+      natural-language
+
+      document-uri                   R
+
+      job-id*               R       R      R       R
+
+      job-uri*              R       R      R       R
+
+      last-document         R       R
+
+      printer-uri           R       R      R       R
+
+      Operation attributes-RECOMMENDED to be supplied by the
+      sender
+
+      job-name
+
+      requesting-user-      R       R      R       R
+      name
+
+
+
+
+
+
+Hastings & Manros            Informational                      [Page 8]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+                             Job Operations
+
+                           Requests                      Responses
+
+     Operation Attributes  Send-    Send-   Cance Get-    All
+                           Document URI     l-Job Job-    Opera-
+                           (O)      (O)           Attri-  tions
+                                                  butes
+
+     Operation attributes.OPTIONAL to be supplied by the sender
+
+     status-message                                       O
+
+     compression               O       O
+
+     document-format           R       R
+
+     document-name             O       O
+
+     document-natural-         O       O
+     language
+
+     ipp-attribute-
+     fidelity
+
+     job-impressions
+
+     job-k-octets
+
+     job-media-sheets
+
+     limit
+
+     message                                   O
+
+     my-jobs
+
+     requested-attributes                             R
+
+     which-jobs
+
+     *  "job-id" is REQUIRED only if used together with "printer-
+     uri" to identify the target job; otherwise, "job-uri" is
+     REQUIRED.
+
+
+
+
+
+
+
+Hastings & Manros            Informational                      [Page 9]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.2 Suggested Operation Processing Steps for IPP Objects
+
+   This section suggests the steps and error checks that an IPP object
+   MAY perform when processing requests and returning responses.  An IPP
+   object MAY perform some or all of the error checks.  However, some
+   implementations MAY choose to be more forgiving than the error checks
+   shown here, in order to be able to accept requests from non-
+   conforming clients.  Not performing all of these error checks is a
+   so-called "forgiving" implementation.  On the other hand, clients
+   that successfully submit requests to IPP objects that do perform all
+   the error checks will be more likely to be able to interoperate with
+   other IPP object implementations.  Thus an implementer of an IPP
+   object needs to decide whether to be a "forgiving" or a "strict"
+   implementation.  Therefore, the error status codes returned may
+   differ between implementations.   Consequentially, client SHOULD NOT
+   expect exactly the error code processing described in this section.
+
+   When an IPP object receives a request, the IPP object either accepts
+   or rejects the request. In order to determine whether or not to
+   accept or reject the request, the IPP object SHOULD execute the
+   following steps.  The order of the steps may be rearranged and/or
+   combined, including making one or multiple passes over the request.
+
+   A client MUST supply requests that would pass all of the error checks
+   indicated here in order to be a conforming client.  Therefore, a
+   client SHOULD supply requests that are conforming, in order to avoid
+   being rejected by some IPP object implementations and/or risking
+   different semantics by different implementations of forgiving
+   implementations.  For example, a forgiving implementation that
+   accepts multiple occurrences of the same attribute, rather than
+   rejecting the request might use the first occurrences, while another
+   might use the last occurrence.  Thus such a non-conforming client
+   would get different results from the two forgiving implementations.
+
+   In the following, processing continues step by step until a "RETURNS
+   the xxx status code ." statement is encountered.  Error returns are
+   indicated by the verb: "REJECTS".  Since clients have difficulty
+   getting the status code before sending all of the document data in a
+   Print-Job request, clients SHOULD use the Validate-Job operation
+   before sending large documents to be printed, in order to validate
+   whether the IPP Printer will accept the job or not.
+
+   It is assumed that security authentication and authorization has
+   already taken place at a lower layer.
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 10]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.2.1 Suggested Operation Processing Steps for all Operations
+
+   This section is intended to apply to all operations.  The next
+   section contains the additional steps for the Print-Job, Validate-
+   Job, Print-URI, Create-Job, Send-Document, and Send-URI operations
+   that create jobs, adds documents, and validates jobs.
+
+2.2.1.1   Validate version number
+
+   Every request and every response contains the "version-number"
+   attribute.  The value of this attribute is the major and minor
+   version number of the syntax and semantics that the client and IPP
+   object is using, respectively.  The "version-number" attribute
+   remains in a fixed position across all future versions so that all
+   clients and IPP object that support future versions can determine
+   which version is being used.  The IPP object checks to see if the
+   major version number supplied in the request is supported.  If not,
+   the Printer object REJECTS the request and RETURNS the 'server-
+   error-version-not-supported' status code in the response.  The IPP
+   object returns in the "version-number" response attribute the major
+   and minor version for the error response.  Thus the client can learn
+   at least one major and minor version that the IPP object supports.
+   The IPP object is encouraged to return the closest version number to
+   the one supplied by the client.
+
+   The checking of the minor version number is implementation dependent,
+   however if the client supplied minor version is explicitly supported,
+   the IPP object MUST respond using that identical minor version
+   number.  If the requested minor version is not supported (the
+   requested minor version is either higher or lower) than a supported
+   minor version, the IPP object SHOULD return the closest supported
+   minor version.
+
+2.2.1.2   Validate operation identifier
+
+   The Printer object checks to see if the "operation-id" attribute
+   supplied by the client is supported as indicated in the Printer
+   object's "operations-supported" attribute.  If not, the Printer
+   REJECTS the request and returns the 'server-error-operation-not-
+   supported' status code in the response.
+
+2.2.1.3   Validate the request identifier
+
+   The Printer object SHOULD NOT check to see if the "request-id"
+   attribute supplied by the client is in range: between 1 and 2**31 - 1
+   (inclusive), but copies all 32 bits.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 11]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Note: The "version-number",  "operation-id", and the "request-id"
+   parameters are in fixed octet positions in the IPP/1.0 encoding.  The
+   "version-number" parameter will be the same fixed octet position in
+   all versions of the protocol.  These fields are validated before
+   proceeding with the rest of the validation.
+
+2.2.1.4   Validate attribute group and attribute presence and order
+
+   The order of the following validation steps depends on
+   implementation.
+
+2.2.1.4.1 Validate the presence and order of attribute groups
+
+   Client requests and IPP object responses contain attribute groups
+   that Section 3 requires to be present and in a specified order.  An
+   IPP object verifies that the attribute groups are present and in the
+   correct order in requests supplied by clients (attribute groups
+   without an * in the following tables).
+
+   If an IPP object receives a request with (1) required attribute
+   groups missing, or (2) the attributes groups are out of order, or (3)
+   the groups are repeated, the IPP object REJECTS the request and
+   RETURNS the 'client-error-bad-request' status code.  For example, it
+   is an error for the Job Template Attributes group to occur before the
+   Operation Attributes group, for the Operation Attributes group to be
+   omitted, or for an attribute group to occur more than once, except in
+   the Get-Jobs response.
+
+   Since this kind of attribute group error is most likely to be an
+   error detected by a client developer rather than by a customer, the
+   IPP object NEED NOT return an indication of which attribute group was
+   in error in either the Unsupported Attributes group or the Status
+   Message.  Also, the IPP object NEED NOT find all attribute group
+   errors before returning this error.
+
+2.2.1.4.2 Ignore unknown attribute groups in the expected position
+
+   Future attribute groups may be added to the specification at the end
+   of requests just before the Document Content and at the end of
+   response, except for the Get-Jobs response, where it maybe there or
+   before the first job attributes returned.  If an IPP object receives
+   an unknown attribute group in these positions, it ignores the entire
+   group, rather than returning an error, since that group may be a new
+   group in a later minor version of the protocol that can be ignored.
+   (If the new attribute group cannot be ignored without confusing the
+   client, the major version number would have been increased in the
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 12]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   protocol document and in the request).  If the unknown group occurs
+   in a different position, the IPP object REJECTS the request and
+   RETURNS the 'client-error-bad-request' status code.
+
+   Clients also ignore unknown attribute groups returned in a response.
+
+   Note:  By validating that requests are in the proper form, IPP
+   objects force clients to use the proper form which, in turn,
+   increases the chances that customers will be able to use such clients
+   from multiple vendors with IPP objects from other vendors.
+
+2.2.1.4.3 Validate the presence of a single occurrence of required
+          Operation attributes
+
+   Client requests and IPP object responses contain Operation attributes
+   that [RFC2566] Section 3 requires to be present.  Attributes within a
+   group may be in any order, except for the ordering of target,
+   charset, and natural languages attributes.  These attributes MUST be
+   first, and MUST be supplied in the following order: charset, natural
+   language, and then target. An IPP object verifies that the attributes
+   that Section 4 requires to be supplied by the client have been
+   supplied in the request (attributes without an * in the following
+   tables).  An asterisk (*) indicates groups and Operation attributes
+   that the client may omit in a request or an IPP object may omit in a
+   response.
+
+   If an IPP object receives a request with required attributes missing
+   or repeated from a group or in the wrong position, the behavior of
+   the IPP object is IMPLEMENTATION DEPENDENT.  Some of the possible
+   implementations are:
+
+      1.REJECTS the request and RETURNS the 'client-error-bad-request'
+        status code
+
+      2.accepts the request and uses the first occurrence of the
+        attribute no matter where it is
+
+      3.accepts the request and uses the last occurrence of the
+        attribute no matter where it is
+
+      4.accept the request and assume some default value for the missing
+        attribute
+
+   Therefore, client MUST send conforming requests, if they want to
+   receive the same behavior from all IPP object implementations.  For
+   example, it is an error for the "attributes-charset" or "attributes-
+   natural-language" attribute to be omitted in any operation request,
+   or for an Operation attribute to be supplied in a Job Template group
+
+
+
+Hastings & Manros            Informational                     [Page 13]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   or a Job Template attribute to be supplied in an Operation Attribute
+   group in a create request.  It is also an error to supply the
+   "attributes-charset" attribute twice.
+
+   Since these kinds of attribute errors are most likely to be detected
+   by a client developer rather than by a customer, the IPP object NEED
+   NOT return an indication of which attribute was in error in either
+   the Unsupported Attributes group or the Status Message.  Also, the
+   IPP object NEED NOT find all attribute errors before returning this
+   error.
+
+   The following tables list all the attributes for all the operations
+   by attribute group in each request and each response.  The order of
+   the groups is the order that the client supplies the groups as
+   specified in [RFC2566] Section 3.  The order of the attributes within
+   a group is arbitrary, except as noted for some of the special
+   operation attributes (charset, natural language, and target).  The
+   tables below use the following notation:
+
+     R   indicates a REQUIRED attribute that an IPP object MUST support
+     O   indicates an OPTIONAL attribute that an IPP object NEED NOT
+               support
+     *   indicates that a client MAY omit the attribute in a request
+               and that an IPP object MAY omit the attribute in a
+               response. The absence of an * means that a client MUST
+               supply the attribute in a request and an IPP object MUST
+               supply the attribute in a response.
+
+                            Operation Requests
+
+   The tables below show the attributes in their proper attribute groups
+   for operation requests:
+
+   Note: All operation requests contain "version-number", "operation-
+   id", and "request-id" parameters.
+
+   Print-Job Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             printer-uri (R)
+             requesting-user-name (R*)
+             job-name (R*)
+             ipp-attribute-fidelity (R*)
+             document-name (R*)
+             document-format (R*)
+             document-natural-language (O*)
+             compression (O*)
+
+
+
+Hastings & Manros            Informational                     [Page 14]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+             job-k-octets (O*)
+             job-impressions (O*)
+             job-media-sheets (O*)
+        Group 2: Job Template Attributes (R*)
+             <Job Template attributes> (O*)
+                  (see [RFC2566] Section 4.2)
+        Group 3: Document Content (R)
+             <document content>
+
+   Validate-Job Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             printer-uri (R)
+             requesting-user-name (R*)
+             job-name (R*)
+             ipp-attribute-fidelity (R*)
+             document-name (R*)
+             document-format (R*)
+             document-natural-language (O*)
+             compression (O*)
+             job-k-octets (O*)
+             job-impressions (O*)
+             job-media-sheets (O*)
+        Group 2: Job Template Attributes (R*)
+             <Job Template attributes> (O*)
+                  (see [RFC2566] Section 4.2)
+
+   Create-Job Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             printer-uri (R)
+             requesting-user-name (R*)
+             job-name (R*)
+             ipp-attribute-fidelity (R*)
+             job-k-octets (O*)
+             job-impressions (O*)
+             job-media-sheets (O*)
+        Group 2: Job Template Attributes (R*)
+             <Job Template attributes> (O*) (see
+                  (see [RFC2566] Section 4.2)
+
+   Print-URI Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             printer-uri (R)
+
+
+
+Hastings & Manros            Informational                     [Page 15]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+             document-uri (R)
+             requesting-user-name (R*)
+             job-name (R*)
+             ipp-attribute-fidelity (R*)
+             document-name (R*)
+             document-format (R*)
+             document-natural-language (O*)
+             compression (O*)
+             job-k-octets (O*)
+             job-impressions (O*)
+             job-media-sheets (O*)
+        Group 2: Job Template Attributes (R*)
+             <Job Template attributes> (O*) (see
+                  (see [RFC2566] Section 4.2)
+
+   Send-Document Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             (printer-uri & job-id) | job-uri (R)
+             last-document (R)
+             requesting-user-name (R*)
+             document-name (R*)
+             document-format (R*)
+             document-natural-language (O*)
+             compression (O*)
+        Group 2: Document Content (R*)
+             <document content>
+
+   Send-URI Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             (printer-uri & job-id) | job-uri (R)
+             last-document (R)
+             document-uri (R)
+             requesting-user-name (R*)
+             document-name (R*)
+             document-format (R*)
+             document-natural-language (O*)
+             compression (O*)
+
+
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 16]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Cancel-Job Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             (printer-uri & job-id) | job-uri (R)
+             requesting-user-name (R*)
+             message (O*)
+
+   Get-Printer-Attributes Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             printer-uri (R)
+             requesting-user-name (R*)
+             requested-attributes (R*)
+             document-format (R*)
+
+   Get-Job-Attributes Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             (printer-uri & job-id) | job-uri (R)
+             requesting-user-name (R*)
+             requested-attributes (R*)
+
+   Get-Jobs Request:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             printer-uri (R)
+             requesting-user-name (R*)
+             limit (R*)
+             requested-attributes (R*)
+             which-jobs (R*)
+             my-jobs (R*)
+
+
+                            Operation Responses
+
+   The tables below show the response attributes in their proper
+   attribute groups for responses.
+
+   Note: All operation responses contain "version-number", "status-
+   code", and "request-id" parameters.
+
+   Print-Job Response:
+   Print-URI Response:
+   Create-Job Response:
+
+
+
+Hastings & Manros            Informational                     [Page 17]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Send-Document Response:
+   Send-URI Response:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             status-message (O*)
+        Group 2: Unsupported Attributes (R*) (see Note 3)
+             <unsupported attributes> (R*)
+        Group 3: Job Object Attributes(R*) (see Note 2)
+             job-uri (R)
+             job-id (R)
+             job-state (R)
+             job-state-reasons (O*)
+             job-state-message (O*)
+             number-of-intervening-jobs (O*)
+
+   Validate-Job Response:
+   Cancel-Job Response:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             status-message (O*)
+        Group 2: Unsupported Attributes (R*) (see Note 3)
+             <unsupported attributes> (R*)
+
+   Note 2 - the Job Object Attributes and Printer Object Attributes are
+   returned only if the IPP object returns one of the success status
+   codes.
+
+   Note 3 - the Unsupported Attributes Group is present only if the
+   client included some Operation and/or Job Template attributes or
+   values that the Printer doesn't support whether a success or an error
+   return.
+
+   Get-Printer-Attributes Response:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             status-message (O*)
+        Group 2: Unsupported Attributes (R*) (see Note 4)
+             <unsupported attributes> (R*)
+        Group 3: Printer Object Attributes(R*) (see Note 2)
+             <requested attributes> (R*)
+
+   Note 4 - the Unsupported Attributes Group is present only if the
+   client included some Operation attributes that the Printer doesn't
+   support whether a success or an error return.
+
+
+
+
+Hastings & Manros            Informational                     [Page 18]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Get-Job-Attributes Response:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             status-message (O*)
+        Group 2: Unsupported Attributes (R*) (see Note 4)
+             <unsupported attributes> (R*)
+        Group 3: Job Object Attributes(R*) (see Note 2)
+             <requested attributes> (R*)
+
+   Get-Jobs Response:
+        Group 1: Operation Attributes (R)
+             attributes-charset (R)
+             attributes-natural-language (R)
+             status-message (O*)
+        Group 2: Unsupported Attributes (R*) (see Note 4)
+             <unsupported attributes> (R*)
+        Group 3: Job Object Attributes(R*) (see Note 2, 5)
+             <requested attributes> (R*)
+
+   Note 5:  for the Get-Jobs operation the response contains a separate
+   Job Object Attributes group 3 to N containing requested-attributes
+   for each job object in the response.
+
+2.2.1.5   Validate the values of the REQUIRED Operation attributes
+
+   An IPP object validates the values supplied by the client of the
+   REQUIRED Operation attribute that the IPP object MUST support.  The
+   next section specifies the validation of the values of the OPTIONAL
+   Operation attributes that IPP objects MAY support.
+
+   The IPP object performs the following syntactic validation checks of
+   each Operation attribute value:
+
+      a)that the length of each Operation attribute value is correct for
+        the attribute syntax tag supplied by the client according to
+        [RFC2566] Section 4.1,
+
+      b)that the attribute syntax tag is correct for that Operation
+        attribute according to [RFC2566] Section 3,
+
+      c)that the value is in the range specified for that Operation
+        attribute according to [RFC2566] Section 3,
+
+      d)that multiple values are supplied by the client only for
+        operation attributes that are multi-valued, i.e., that are
+        1setOf X according to [RFC2566] Section 3.
+
+
+
+
+Hastings & Manros            Informational                     [Page 19]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   If any of these checks fail, the IPP object REJECTS the request and
+   RETURNS the 'client-error-bad-request' or the 'client-error-request-
+   value-too-long' status code.  Since such an error is most likely to
+   be an error detected by a client developer, rather than by an end-
+   user, the IPP object NEED NOT return an indication of which attribute
+   had the error in either the Unsupported Attributes Group or the
+
+   Status Message.  The description for each of these syntactic checks
+   is explicitly expressed in the first IF statement in the following
+   table.
+
+   In addition, the IPP object checks each Operation attribute value
+   against some Printer object attribute or some hard-coded value if
+   there is no "xxx-supported" Printer object attribute defined. If its
+   value is not among those supported or is not in the range supported,
+   then the IPP object REJECTS the request and RETURNS the error status
+   code indicated in the table by the second IF statement.  If the value
+   of the Printer object's "xxx-supported" attribute is 'no-value'
+   (because the system administrator hasn't configured a value), the
+   check always fails.
+
+   attributes-charset (charset)
+
+      IF NOT a single non-empty 'charset' value, REJECT/RETURN 'client-
+         error-bad-request'.
+
+      IF the value length is greater than 63 octets, REJECT/RETURN '
+         client-error-request-value-too-long'.
+      IF NOT in the Printer object's "charset-supported" attribute,
+         REJECT/RETURN "client-error-charset-not-supported".
+
+
+   attributes-natural-language(naturalLanguage)
+
+      IF NOT a single non-empty 'naturalLanguage' value, REJECT/RETURN
+         'client-error-bad-request'.
+      IF the value length is greater than 63 octets, REJECT/RETURN '
+         client-error-request-value-too-long'.
+      ACCEPT the request even if not a member of the set in the Printer
+         object's "generated-natural-language-supported" attribute.  If
+         the supplied value is not a member of the Printer object's
+         "generated-natural-language-supported" attribute, use the
+         Printer object's "natural-language-configured" value.
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 20]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   requesting-user-name
+
+      IF NOT a single 'name' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF the IPP object can obtain a better authenticated name, use it
+         instead.
+
+
+   job-name(name)
+
+      IF NOT a single 'name' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT supplied by the client, the Printer object creates a name
+         from the document-name or document-uri.
+
+
+   document-name (name)
+
+      IF NOT a single 'name' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+
+
+   ipp-attribute-fidelity (boolean)
+
+      IF NEITHER a single 'true' NOR a single 'false' 'boolean' value,
+         REJECT/RETURN 'client-error-bad-request'.
+      IF the value length is NOT equal to 1 octet, REJECT/RETURN '
+         client-error-request-value-too-long'
+      IF NOT supplied by the client, the IPP object assumes the value
+         'false'.
+
+
+   document-format (mimeMediaType)
+
+      IF NOT a single non-empty 'mimeMediaType' value, REJECT/RETURN
+         'client-error-bad-request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT in the Printer object's "document-format-supported"
+         attribute, REJECT/RETURN 'client-error-document-format-not-
+         supported'
+
+
+
+
+Hastings & Manros            Informational                     [Page 21]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      IF NOT supplied by the client, the IPP object assumes the value of
+         the Printer object's "document-format-default" attribute.
+
+
+   document-uri (uri)
+
+      IF NOT a single non-empty 'uri' value, REJECT/RETURN 'client-
+         error-bad-request'.
+      IF the value length is greater than 1023 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF the URI syntax is not valid, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF scheme is NOT in the Printer object's "reference-uri-schemes-
+         supported" attribute, REJECT/RETURN 'client-error-uri-scheme-
+         not-supported'.
+      The Printer object MAY check to see if the document exists and is
+         accessible.  If the document is not found or is not accessible,
+         REJECT/RETURN 'client-error-not found'.
+
+
+   last-document (boolean)
+
+      IF NEITHER a single 'true' NOR a single 'false' 'boolean' value,
+         REJECT/RETURN 'client-error-bad-request'.
+      IF the value length is NOT equal to 1 octet, REJECT/RETURN '
+         client-error-request-value-too-long'
+
+
+   job-id (integer(1:MAX))
+
+      IF NOT an single 'integer' value equal to 4 octets AND in the
+         range 1 to MAX, REJECT/RETURN 'client-error-bad-request'.
+
+      IF NOT a job-id of an existing Job object, REJECT/RETURN 'client-
+         error-not-found' or 'client-error-gone' status code, if keep
+         track of recently deleted jobs.
+
+
+   requested-attributes (1setOf keyword)
+
+      IF NOT one or more 'keyword' values, REJECT/RETURN 'client-error-
+         bad-request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      Ignore unsupported values which are the keyword names of
+         unsupported attributes.  Don't bother to copy such requested
+         (unsupported) attributes to the Unsupported Attribute response
+         group since the response will not return them.
+
+
+
+Hastings & Manros            Informational                     [Page 22]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   which-jobs (type2 keyword)
+
+      IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NEITHER 'completed' NOR 'not-completed', copy the attribute and
+         the unsupported value to the Unsupported Attributes response
+         group and REJECT/RETURN 'client-error-attributes-or-values-
+         not-supported'.
+      Note: a Printer still supports the 'completed' value even if it
+         keeps no completed/canceled/aborted jobs:  by returning no jobs
+         when so queried.
+      IF NOT supplied by the client, the IPP object assumes the 'not-
+         completed' value.
+
+
+   my-jobs (boolean)
+
+      IF NEITHER a single 'true' NOR a single 'false' 'boolean' value,
+         REJECT/RETURN 'client-error-bad-request'.
+      IF the value length is NOT equal to 1 octet, REJECT/RETURN '
+         client-error-request-value-too-long'
+      IF NOT supplied by the client, the IPP object assumes the 'false'
+         value.
+
+
+   limit (integer(1:MAX))
+
+      IF NOT a single 'integer' value equal to 4 octets AND in the range
+         1 to MAX, REJECT/RETURN 'client-error-bad-request'.
+      IF NOT supplied by the client, the IPP object returns all jobs, no
+         matter how many.
+
+2.2.1.6   Validate the values of the OPTIONAL Operation attributes
+
+   OPTIONAL Operation attributes are those that an IPP object MAY or MAY
+   NOT support.  An IPP object validates the values of the OPTIONAL
+   attributes supplied by the client.  The IPP object performs the same
+   syntactic validation checks for each OPTIONAL attribute value as in
+   Section 2.2.1.5.  As in Section 2.2.1.5, if any fail, the IPP object
+   REJECTS the request and RETURNS the 'client-error-bad-request' or the
+   'client-error-request-value-too-long' status code.
+
+   In addition, the IPP object checks each Operation attribute value
+   against some Printer attribute or some hard-coded value if there is
+   no "xxx-supported" Printer attribute defined. If its value is not
+   among those supported or is not in the range supported, then the IPP
+
+
+
+Hastings & Manros            Informational                     [Page 23]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   object REJECTS the request and RETURNS the error status code
+   indicated in the table.  If the value of the Printer object's "xxx-
+   supported" attribute is 'no-value' (because the system administrator
+   hasn't configured a value), the check always fails.
+
+   If the IPP object doesn't recognize/support an attribute, the IPP
+   object treats the attribute as an unknown or unsupported attribute
+   (see the last row in the table below).
+
+   document-natural-language (naturalLanguage)
+
+      IF NOT a single non-empty 'naturalLanguage' value, REJECT/RETURN '
+         client-error-bad-request'.
+      IF the value length is greater than 63 octets, REJECT/RETURN '
+         client-error-request-value-too-long'.
+      IF NOT a value that the Printer object supports in document
+         formats, (no corresponding "xxx-supported" Printer attribute),
+         REJECT/RETURN 'client-error-natural-language-not-supported'.
+
+
+   compression (type3 keyword)
+
+      IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN '
+         client-error-request-value-too-long'.
+      IF NOT in the Printer object's "compression-supported" attribute,
+         copy the attribute and the unsupported value to the Unsupported
+         Attributes response group and REJECT/RETURN 'client-error-
+         attributes-or-values-not-supported'.
+
+
+   job-k-octets (integer(0:MAX))
+
+      IF NOT a single 'integer' value equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in the range of the Printer object's "job-k-octets-
+         supported" attribute, copy the attribute and the unsupported
+         value to the Unsupported Attributes response group and
+         REJECT/RETURN 'client-error-attributes-or-values-not-
+         supported'.
+
+
+   job-impressions (integer(0:MAX))
+
+      IF NOT a single 'integer' value equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+
+
+
+
+Hastings & Manros            Informational                     [Page 24]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      IF NOT in the range of the Printer object's "job-impressions-
+         supported" attribute, copy the attribute and the unsupported
+         value to the Unsupported Attributes response group and
+         REJECT/RETURN 'client-error-attributes-or-values-not-
+         supported'.
+
+
+   job-media-sheets (integer(0:MAX))
+
+      IF NOT a single 'integer' value equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in the range of the Printer object's "job-media-sheets-
+         supported" attribute, copy the attribute and the unsupported
+         value to the Unsupported Attributes response group and
+         REJECT/RETURN 'client-error-attributes-or-values-not-
+         supported'.
+
+
+   message (text(127))
+
+      IF NOT a single 'text' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 127 octets,
+      REJECT/RETURN 'client-error-request-value-too-long'.
+
+
+   unknown or unsupported attribute
+
+      IF the attribute syntax supplied by the client is supported but
+         the length is not legal for that attribute syntax,
+         REJECT/RETURN 'client-error-request-value-too-long'.
+      ELSE copy the attribute and value to the Unsupported Attributes
+         response group and change the attribute value to the "out-of-
+         band" 'unsupported' value, but otherwise ignore the attribute.
+
+      Note: Future Operation attributes may be added to the protocol
+      specification that may occur anywhere in the specified group.
+      When the operation is otherwise successful, the IPP object returns
+      the 'successful-ok-ignored-or-substituted-attributes' status code.
+      Ignoring unsupported Operation attributes in all operations is
+      analogous to the handling of unsupported Job Template attributes
+      in the create and Validate-Job operations when the client supplies
+      the "ipp-attribute-fidelity" Operation attribute with the 'false'
+      value.  This last rule is so that we can add OPTIONAL Operation
+      attributes to future versions of IPP so that older clients can
+      inter-work with new IPP objects and newer clients can inter-work
+      with older IPP objects.  (If the new attribute cannot be ignored
+      without performing unexpectedly, the major version number would
+
+
+
+Hastings & Manros            Informational                     [Page 25]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      have been increased in the protocol document and in the request).
+      This rule for Operation attributes is independent of the value of
+      the "ipp-attribute-fidelity" attribute.   For example, if an IPP
+      object doesn't support the OPTIONAL "job-k-octets" attribute', the
+      IPP object treats "job-k-octets" as an unknown attribute and only
+      checks the length for the 'integer' attribute syntax supplied by
+      the client.  If it is not four octets, the IPP object REJECTS the
+      request and RETURNS the 'client-error-bad-request' status code,
+      else the IPP object copies the attribute to the Unsupported
+      Attribute response group, setting the value to the "out-of-band" '
+      unsupported' value, but otherwise ignores the attribute.
+
+2.2.2 Suggested Additional Processing Steps for Operations that
+      Create/Validate Jobs and Add Documents
+
+   This section in combination with the previous section recommends the
+   processing steps for the Print-Job, Validate-Job, Print-URI, Create-
+   Job, Send-Document, and Send-URI operations that IPP objects SHOULD
+   use.  These are the operations that create jobs, validate a Print-Job
+   request, and add documents to a job.
+
+2.2.2.1   Default "ipp-attribute-fidelity" if not supplied
+
+   The Printer object checks to see if the client supplied an "ipp-
+   attribute-fidelity" Operation attribute.  If the attribute is not
+   supplied by the client, the IPP object assumes that the value is
+   'false'.
+
+2.2.2.2   Check that the Printer object is accepting jobs
+
+   If the value of the Printer object's "printer-is-accepting-jobs" is
+   'false', the Printer object REJECTS the request and RETURNS the
+   'server-error-not-accepting-jobs' status code.
+
+2.2.2.3   Validate the values of the Job Template attributes
+
+   An IPP object validates the values of all Job Template attribute
+   supplied by the client.  The IPP object performs the analogous
+   syntactic validation checks of each Job Template attribute value that
+   it performs for Operation attributes (see Section 2.2.1.5.):
+
+      a)that the length of each value is correct for the attribute
+        syntax tag supplied by the client according to [RFC2566] Section
+        4.1.
+
+      b)that the attribute syntax tag is correct for that attribute
+        according to [RFC2566] Sections 4.2 to 4.4.
+
+
+
+
+Hastings & Manros            Informational                     [Page 26]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      c)that multiple values are supplied only for multi-valued
+        attributes, i.e., that are 1setOf  X according to [RFC2566]
+        Sections 4.2 to 4.4.
+
+   As in Section 2.2.1.5, if any of these syntactic checks fail, the IPP
+   object REJECTS the request and RETURNS the 'client-error-bad-request'
+   or 'client-error-request-value-too-long' status code as appropriate,
+   independent of the value of the "ipp-attribute-fidelity".  Since such
+   an error is most likely to be an error detected by a client
+   developer, rather than by an end-user, the IPP object NEED NOT return
+   an indication of which attribute had the error in either the
+   Unsupported Attributes Group or the Status Message.  The description
+   for each of these syntactic checks is explicitly expressed in the
+   first IF statement in the following table.
+
+   Each Job Template attribute MUST occur no more than once.  If an IPP
+   Printer receives a create request with multiple occurrences of a Job
+   Template attribute, it MAY:
+
+      1.reject the operation and return the 'client-error-bad syntax'
+        error status code
+
+      2.accept the operation and use the first occurrence of the
+        attribute
+
+      3.accept the operation and use the last occurrence of the
+        attribute
+
+   depending on implementation.  Therefore, clients MUST NOT supply
+   multiple occurrences of the same Job Template attribute in the Job
+   Attributes group in the request.
+
+2.2.3 Algorithm for job validation
+
+   The process of validating a Job-Template attribute "xxx" against a
+   Printer attribute "xxx-supported" can use the following validation
+   algorithm (see section 3.2.1.2 in [RFC2566]).
+
+   To validate the value U of Job-Template attribute "xxx" against the
+   value V of Printer "xxx-supported", perform the following algorithm:
+
+      1.If U is multi-valued, validate each value X of U by performing
+        the algorithm in Table 3 with each value X. Each validation is
+        separate from the standpoint of returning unsupported values.
+
+        Example: If U is "finishings" that the client supplies with
+        'staple', 'bind' values, then X takes on the successive values:
+        'staple', then 'bind'
+
+
+
+Hastings & Manros            Informational                     [Page 27]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      2.If V is multi-valued, validate X against each Z of V by
+        performing the algorithm in Table 3 with each value Z.  If a
+        value Z validates, the validation for the attribute value X
+        succeeds. If it fails, the algorithm is applied to the next
+        value Z of V. If there are no more values Z of V, validation
+        fails.
+
+        Example: If V is "sides-supported" with values: 'one-sided',
+        'two-sided-long', and 'two-sided-short', then Z takes on the
+        successive values: 'one-sided', 'two-sided-long', and
+        'two-sided-short'.  If the client supplies "sides" with 'two-
+        sided-long', the first comparison fails ('one-sided' is not
+        equal to 'two-sided-long'), the second comparison succeeds
+        ('two-sided-long' is equal to 'two-sided-long"), and the third
+        comparison ('two-sided-short' with 'two-sided-long') is not even
+        performed.
+
+      3.If both U and V are single-valued, let X be U and Z be V and use
+        the validation rules in Table 3.
+
+            Table 3 - Rules for validating single values X against Z
+
+     attribute    attribute       validated if:
+     syntax of X  syntax of Z
+
+     integer      rangeOfInteger  X is within the range of
+                                   Z
+
+     uri          uriScheme       the uri scheme in X is
+                                   equal to Z
+
+     any          boolean         the value of Z is TRUE
+
+     any          any             X and Z are of the same
+                                   type and are equal.
+
+   If the value of the Printer object's "xxx-supported" attribute is '
+   no-value' (because the system administrator hasn't configured a
+   value), the check always fails.  If the check fails, the IPP object
+   copies the attribute to the Unsupported Attributes response group
+   with its unsupported value.  If the attribute contains more than one
+   value, each value is checked and each unsupported value is separately
+   copied, while supported values are not copied.  If an IPP object
+   doesn't recognize/support a Job Template attribute, i.e., there is no
+   corresponding Printer object "xxx-supported" attribute, the IPP
+   object treats the attribute as an unknown or unsupported attribute
+   (see the last row in the table below).
+
+
+
+
+Hastings & Manros            Informational                     [Page 28]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   If some Job Template attributes are supported for some document
+   formats and not for others or the values are different for different
+   document formats, the IPP object SHOULD take that into account in
+   this validation using the value of the "document-format" supplied by
+   the client (or defaulted to the value of the Printer's "document-
+   format-default" attribute, if not supplied by the client).  For
+   example, if "number-up" is supported for the 'text/plain' document
+   format, but not for the 'application/postscript' document format, the
+   check SHOULD (though it NEED NOT) depend on the value of the
+   "document-format" operation attribute.  See "document-format" in
+   [RFC2566] section 3.2.1.1 and 3.2.5.1.
+
+   Note: whether the request is accepted or rejected is determined by
+   the value of the "ipp-attribute-fidelity" attribute in a subsequent
+   step, so that all Job Template attribute supplied are examined and
+   all unsupported attributes and/or values are copied to the
+   Unsupported Attributes response group.
+
+   job-priority (integer(1:100))
+
+      IF NOT a single 'integer' value with a length equal to 4 octets,
+         REJECT/RETURN 'client-error-bad-request'.
+      IF NOT supplied by the client, use the value of the Printer
+         object's "job-priority-default" attribute at job submission
+         time.
+      IF NOT in the range 1 to 100, inclusive, copy the attribute and
+         the unsupported value to the Unsupported Attributes response
+         group.
+      Map the value to the nearest supported value in the range 1:100 as
+         specified by the number of discrete values indicated by the
+         value of the Printer's "job-priority-supported" attribute.  See
+         the formula in [RFC2566] Section 4.2.1.
+
+   job-hold-until (type3 keyword | name)
+
+      IF NOT a single 'keyword' or 'name' value, REJECT/RETURN 'client-
+         error-bad-request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT supplied by the client, use the value of the Printer
+         object's "job-hold-until" attribute at job submission time.
+      IF NOT in the Printer object's "job-hold-until-supported"
+         attribute, copy the attribute and the unsupported value to the
+         Unsupported Attributes response group.
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 29]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   job-sheets (type3 keyword | name)
+
+      IF NOT a single 'keyword' or 'name' value, REJECT/RETURN 'client-
+         error-bad-request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT in the Printer object's "job-sheets-supported" attribute,
+         copy the attribute and the unsupported value to the Unsupported
+         Attributes response group.
+
+   multiple-document-handling (type2 keyword)
+
+      IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT in the Printer object's "multiple-document-handling-
+         supported" attribute, copy the attribute and the unsupported
+         value to the Unsupported Attributes response group.
+
+   copies (integer(1:MAX))
+
+      IF NOT a single 'integer' value with a length equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in range of the Printer object's "copies-supported"
+         attribute copy the attribute and the unsupported value to the
+         Unsupported
+         Attributes response group.
+
+   finishings (1setOf type2 enum)
+
+      IF NOT an 'enum' value(s) each with a length equal to 4 octets,
+         REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in the Printer object's "finishings-supported" attribute,
+         copy the attribute and the unsupported value(s), but not any
+         supported values, to the Unsupported Attributes response group.
+
+   page-ranges (1setOf  rangeOfInteger(1:MAX))
+
+      IF NOT a 'rangeOfInteger' value(s) each with a length equal to 8
+         octets, REJECT/RETURN 'client-error-bad-request'.
+      IF first value is greater than second value in any range, the
+         ranges are not in ascending order, or ranges overlap,
+         REJECT/RETURN 'client-error-bad-request'.
+      IF the value of the Printer object's "page-ranges-supported"
+         attribute is 'false', copy the attribute to the Unsupported
+         Attributes response group and set the value to the "out-of-
+         band" 'unsupported' value.
+
+
+
+Hastings & Manros            Informational                     [Page 30]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   sides (type2 keyword)
+
+      IF NOT a single 'keyword' value, REJECT/RETURN 'client-error-bad-
+         request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT in the Printer object's "sides-supported" attribute, copy
+         the attribute and the unsupported value to the Unsupported
+         Attributes response group.
+
+   number-up (integer(1:MAX))
+
+      IF NOT a single 'integer' value with a length equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT a value or in the range of one of the values of the Printer
+         object's "number-up-supported" attribute, copy the attribute
+         and value to the Unsupported Attribute response group.
+
+   orientation-requested (type2 enum)
+
+      IF NOT a single 'enum' value with a length equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in the Printer object's "orientation-requested-supported"
+         attribute, copy the attribute and the unsupported value to the
+         Unsupported Attributes response group.
+
+   media (type3 keyword | name)
+
+      IF NOT a single 'keyword' or 'name' value, REJECT/RETURN 'client-
+         error-bad-request'.
+      IF the value length is greater than 255 octets, REJECT/RETURN
+         'client-error-request-value-too-long'.
+      IF NOT in the Printer object's "media-supported" attribute, copy
+         the attribute and the unsupported value to the Unsupported
+         Attributes response group.
+
+   printer-resolution (resolution)
+
+      IF NOT a single 'resolution' value with a length equal to 9
+         octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in the Printer object's "printer-resolution-supported"
+         attribute, copy the attribute and the unsupported value to the
+         Unsupported Attributes response group.
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 31]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   print-quality (type2 enum)
+
+      IF NOT a single 'enum' value with a length equal to 4 octets,
+      REJECT/RETURN 'client-error-bad-request'.
+      IF NOT in the Printer object's "print-quality-supported"
+         attribute, copy the attribute and the unsupported value to the
+         Unsupported Attributes response group.
+
+   unknown or unsupported attribute (i.e., there is no corresponding
+   Printer object "xxx-supported" attribute)
+
+      IF the attribute syntax supplied by the client is supported but
+         the length is not legal for that attribute syntax,
+      REJECT/RETURN 'client-error-bad-request' if the length of the
+         attribute syntax is fixed or 'client-error-request-value-too-
+         long' if the length of the attribute syntax is variable.
+      ELSE copy the attribute and value to the Unsupported Attributes
+         response group and change the attribute value to the "out-of-
+         band" 'unsupported' value.  Any remaining Job Template
+         Attributes are either unknown or unsupported Job Template
+         attributes and are validated algorithmically according to their
+         attribute syntax for proper length (see below).
+
+         If the attribute syntax is supported AND the length check
+         fails, the IPP object REJECTS the request and RETURNS the '
+         client-error-bad-request' if the length of the attribute syntax
+         is fixed or the 'client-error-request-value-too-long' status
+         code if the length of the attribute syntax is variable.
+         Otherwise, the IPP object copies the unsupported Job Template
+         attribute to the Unsupported Attributes response group and
+         changes the attribute value to the "out-of-band" 'unsupported'
+         value.  The following table shows the length checks for all
+         attribute syntaxes.  In the following table:  "<=" means less
+         than or equal, "=" means equal to:
+
+   Name              Octet length check for read-write attributes
+   -----------       --------------------------------------------
+   'textWithLanguage    <= 1023 AND 'naturalLanguage'  <= 63
+   'textWithoutLanguage' <= 1023
+   'nameWithLanguage'    <= 255 AND 'naturalLanguage'  <= 63
+   'nameWithoutLanguage' <= 255
+   'keyword'             <= 255
+   'enum'                = 4
+   'uri'                 <= 1023
+   'uriScheme'           <= 63
+   'charset'             <= 63
+   'naturalLanguage'     <= 63
+   'mimeMediaType'       <= 255
+
+
+
+Hastings & Manros            Informational                     [Page 32]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   'octetString'         <= 1023
+   'boolean'             = 1
+   'integer'             = 4
+   'rangeOfInteger'      = 8
+   'dateTime'            = 11
+   'resolution'          = 9
+   '1setOf  X'
+
+2.2.3.1   Check for conflicting Job Template attributes values
+
+   Once all the Operation and Job Template attributes have been checked
+   individually, the Printer object SHOULD check for any conflicting
+   values among all the supported values supplied by the client.  For
+   example, a Printer object might be able to staple and to print on
+   transparencies, however due to physical stapling constraints, the
+   Printer object might not be able to staple transparencies. The IPP
+   object copies the supported attributes and their conflicting
+   attribute values to the Unsupported Attributes response group.  The
+   Printer object only copies over those attributes that the Printer
+   object either ignores or substitutes in order to resolve the
+   conflict, and it returns the original values which were supplied by
+   the client.  For example suppose the client supplies "finishings"
+   equals 'staple' and "media" equals 'transparency', but the Printer
+   object does not support stapling transparencies.  If the Printer
+   chooses to ignore the stapling request in order to resolve the
+   conflict, the Printer objects returns "finishings" equal to 'staple'
+   in the Unsupported Attributes response group.  If any attributes are
+   multi-valued, only the conflicting values of the attributes are
+   copied.
+
+   Note: The decisions made to resolve the conflict (if there is a
+   choice) is implementation dependent.
+
+2.2.3.2   Decide whether to REJECT the request
+
+   If there were any unsupported Job Template attributes or
+   unsupported/conflicting Job Template attribute values and the client
+   supplied the "ipp-attribute-fidelity" attribute with the 'true'
+   value, the Printer object REJECTS the request and return the status
+   code:
+
+      (1) 'client-error-conflicting-attributes' status code, if there
+          were any conflicts between attributes supplied by the client.
+      (2) 'client-error-attributes-or-values-not-supported' status code,
+          otherwise.
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 33]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Note:  Unsupported Operation attributes or values that are returned
+   do not affect the status returned in this step.  If the unsupported
+   Operation attribute was a serious error, the above already rejected
+   the request in a previous step.  If control gets to this step with
+   unsupported Operation attributes being returned, they are not serious
+   errors.
+
+2.2.3.3   For the Validate-Job operation, RETURN one of the success
+          status codes
+
+   If the requested operation is the Validate-Job operation, the Printer
+   object returns:
+
+      (1) the "successful-ok" status code, if there are no unsupported
+          or conflicting Job Template attributes or values.
+      (2) the "successful-ok-conflicting-attributes, if there are any
+          conflicting Job Template attribute or values.
+      (3) the "successful-ok-ignored-or-substituted-attributes, if there
+          are only unsupported Job Template attributes or values.
+
+   Note:  Unsupported Operation attributes or values that are returned
+   do not affect the status returned in this step.  If the unsupported
+   Operation attribute was a serious error, the above already rejected
+   the request in a previous step.  If control gets to this step with
+   unsupported Operation attributes being returned, they are not serious
+   errors.
+
+2.2.3.4   Create the Job object with attributes to support
+
+   If "ipp-attribute-fidelity" is set to 'false' (or it was not supplied
+   by the client), the Printer object:
+
+      (1) creates a Job object, assigns a unique value to the job's
+          "job-uri" and "job-id" attributes, and initializes all of the
+          job's other supported Job Description attributes.
+      (2) removes all unsupported attributes from the Job object.
+      (3) for each unsupported value, removes either the unsupported
+          value or substitutes the unsupported attribute value with some
+          supported value.  If an attribute has no values after removing
+          unsupported values from it, the attribute is removed from the
+          Job object (so that the normal default behavior at job
+          processing time will take place for that attribute).
+      (4) for each conflicting value, removes either the conflicting
+          value or substitutes the conflicting attribute value with some
+          other supported value.  If an attribute has no values after
+          removing conflicting values from it, the attribute is removed
+          from the Job object (so that the normal default behavior at
+          job processing time will take place for that attribute).
+
+
+
+Hastings & Manros            Informational                     [Page 34]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   If there were no attributes or values flagged as unsupported, or the
+   value of 'ipp-attribute-fidelity" was 'false', the Printer object is
+   able to accept the create request and create a new Job object.  If
+   the "ipp-attribute-fidelity" attribute is set to 'true', the Job
+   Template attributes that populate the new Job object are necessarily
+   all the Job Template attributes supplied in the create request.  If
+   the "ipp-attribute-fidelity" attribute is set to 'false', the Job
+   Template attributes that populate the new Job object are all the
+   client supplied Job Template attributes that are supported or that
+   have value substitution.  Thus, some of the requested Job Template
+   attributes may not appear in the Job object because the Printer
+   object did not support those attributes.  The attributes that
+   populate the Job object are persistently stored with the Job object
+   for that Job.  A Get-Job-Attributes operation on that Job object will
+   return only those attributes that are persistently stored with the
+   Job object.
+
+   Note: All Job Template attributes that are persistently stored with
+   the Job object are intended to be "override values"; that is, they
+   that take precedence over whatever other embedded instructions might
+   be in the document data itself.  However, it is not possible for all
+   Printer objects to realize the semantics of "override".  End users
+   may query the Printer's "pdl-override-supported" attribute to
+   determine if the Printer either attempts or does not attempt to
+   override document data instructions with IPP attributes.
+
+   There are some cases, where a Printer supports a Job Template
+   attribute and has an associated default value set for that attribute.
+   In the case where a client does not supply the corresponding
+   attribute, the Printer does not use its default values to populate
+   Job attributes when creating the new Job object; only Job Template
+   attributes actually in the create request are used to populate the
+   Job object. The Printer's default values are only used later at Job
+   processing time if no other IPP attribute or instruction embedded in
+   the document data is present.
+
+   Note: If the default values associated with Job Template attributes
+   that the client did not supply were to be used to populate the Job
+   object, then these values would become "override values" rather than
+   defaults.  If the Printer supports the 'attempted' value of the
+   "pdl-override-supported" attribute, then these override values could
+   replace values specified within the document data.  This is not the
+   intent of the default value mechanism. A default value for an
+   attribute is used only if the create request did not specify that
+   attribute (or it was ignored when allowed by "ipp-attribute-fidelity"
+   being 'false') and no value was provided within the content of the
+   document data.
+
+
+
+
+Hastings & Manros            Informational                     [Page 35]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   If the client does not supply a value for some Job Template
+   attribute, and the Printer does not support that attribute, as far as
+   IPP is concerned, the result of processing that Job (with respect to
+   the missing attribute) is undefined.
+
+2.2.3.5   Return one of the success status codes
+
+   Once the Job object has been created, the Printer object accepts the
+   request and returns to the client:
+
+      (1) the 'successful-ok' status code, if there are no unsupported
+          or conflicting Job Template attributes or values.
+      (2) the 'successful-ok-conflicting-attributes' status code, if
+          there are any conflicting Job Template attribute or values.
+      (3) the 'successful-ok-ignored-or-substituted-attributes' status
+          code, if there are only unsupported Job Template attributes or
+          values.
+
+   Note:  Unsupported Operation attributes or values that are returned
+   do not affect the status returned in this step.  If the unsupported
+   Operation attribute was a serious error, the above already rejected
+   the request in a previous step.  If control gets to this step with
+   unsupported Operation attributes being returned, they are not serious
+   errors.
+
+   The Printer object also returns Job status attributes that indicate
+   the initial state of the Job ('pending', 'pending-held', '
+   processing', etc.), etc.  See Print-Job Response, [RFC2566] section
+   3.2.1.2.
+
+2.2.3.6   Accept appended Document Content
+
+   The Printer object accepts the appended Document Content data and
+   either starts it printing, or spools it for later processing.
+
+2.2.3.7   Scheduling and Starting to Process the Job
+
+   The Printer object uses its own configuration and implementation
+   specific algorithms for scheduling the Job in the correct processing
+   order.  Once the Printer object begins processing the Job, the
+   Printer changes the Job's state to 'processing'. If the Printer
+   object supports PDL override (the "pdl-override-supported" attribute
+   set to 'attempted'), the implementation does its best to see that IPP
+   attributes take precedence over embedded instructions in the document
+   data.
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 36]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.2.3.8   Completing the Job
+
+   The Printer object continues to process the Job until it can move the
+   Job into the 'completed' state.  If an Cancel-Job operation is
+   received, the implementation eventually moves the Job into the '
+   canceled' state.  If the system encounters errors during processing
+   that do not allow it to progress the Job into a completed state, the
+   implementation halts all processing, cleans up any resources, and
+   moves the Job into the 'aborted' state.
+
+2.2.3.9   Destroying the Job after completion
+
+   Once the Job moves to the 'completed', 'aborted', or 'canceled'
+   state, it is an implementation decision as to when to destroy the Job
+   object and release all associated resources.  Once the Job has been
+   destroyed, the Printer would return either the "client-error-not-
+   found" or "client-error-gone" status codes for operations directed at
+   that Job.
+
+   Note:  the Printer object SHOULD NOT re-use a "job-uri" or "job-id"
+   value for a sufficiently long time after a job has been destroyed, so
+   that stale references kept by clients are less likely to access the
+   wrong (newer) job.
+
+2.2.3.10  Interaction with "ipp-attribute-fidelity"
+
+   Some Printer object implementations may support "ipp-attribute-
+   fidelity" set to 'true' and "pdl-override-supported" set to '
+   attempted' and yet still not be able to realize exactly what the
+   client specifies in the create request.  This is due to legacy
+   decisions and assumptions that have been made about the role of job
+   instructions embedded within the document data and external job
+   instructions that accompany the document data and how to handle
+   conflicts between such instructions.  The inability to be 100%
+   precise about how a given implementation will behave is also
+   compounded by the fact that the two special attributes, "ipp-
+   attribute-fidelity" and "pdl-override-supported", apply to the whole
+   job rather than specific values for each attribute. For example, some
+   implementations may be able to override almost all Job Template
+   attributes except for "number-up".
+
+2.3 Status codes returned by operation
+
+   This section lists all status codes once in the first operation
+   (Print-Job).  Then it lists the status codes that are different or
+   specialized for subsequent operations under each operation.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 37]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.3.1 Printer Operations
+
+2.3.1.1   Print-Job
+
+   The Printer object MUST return one of the following "status-code"
+   values for the indicated reason.  Whether all of the document data
+   has been accepted or not before returning the success or error
+   response depends on implementation.  See Section 14 for a more
+   complete description of each status code.
+
+   For the following success status codes, the Job object has been
+   created and the "job-id", and "job-uri" assigned and returned in the
+   response:
+
+      successful-ok:  no request attributes were substituted or ignored.
+      successful-ok-ignored-or-substituted-attributes:  some supplied
+         (1) attributes were ignored or (2) unsupported attribute
+         syntaxes or values were substituted with supported values or
+         were ignored.  Unsupported attributes, attribute syntaxes, or
+         values MUST be returned in the Unsupported Attributes group of
+         the response.
+      successful-ok-conflicting-attributes:  some supplied attribute
+         values conflicted with the values of other supplied attributes
+         and were either substituted or ignored.  Attributes or values
+         which conflict with other attributes and have been substituted
+         or ignored MUST be returned in the Unsupported Attributes group
+         of the response as supplied by the client.
+
+   [RFC2566] section 3.1.6 Operation Status Codes and Messages states:
+
+         If the Printer object supports the "status-message" operation
+         attribute, it SHOULD use the REQUIRED 'utf-8' charset to return
+         a status message for the following error status codes (see
+         section 14):  'client-error-bad-request', 'client-error-
+         charset-not-supported', 'server-error-internal-error', '
+         server-error-operation-not-supported', and 'server-error-
+         version-not-supported'.  In this case, it MUST set the value of
+         the "attributes-charset" operation attribute to 'utf-8' in the
+         error response.
+
+   For the following error status codes, no job is created and no "job-
+   id" or "job-uri" is returned:
+
+      client-error-bad-request:  The request syntax does not conform to
+         the specification.
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 38]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      client-error-forbidden:  The request is being refused for
+         authorization or authentication reasons.  The implementation
+         security policy is to not reveal whether the failure is one of
+         authentication or authorization.
+      client-error-not-authenticated:  Either the request requires
+         authentication information to be supplied or the authentication
+         information is not sufficient for authorization.
+      client-error-not-authorized:  The requester is not authorized to
+         perform the request on the target object.
+      client-error-not-possible:  The request cannot be carried out
+         because of the state of the system.  See also 'server-error-
+         not-accepting-jobs' status code which MUST take precedence if
+         the Printer object's "printer-accepting-jobs" attribute is '
+         false'.
+      client-error-timeout:  not applicable.
+      client-error-not-found:  the target object does not exist.
+      client-error-gone:  the target object no longer exists and no
+         forwarding address is known.
+      client-error-request-entity-too-large:  the size of the request
+         and/or print data exceeds the capacity of the IPP Printer to
+         process it.
+      client-error-request-value-too-long:  the size of request variable
+         length attribute values, such as 'text' and 'name' attribute
+         syntaxes, exceed the maximum length specified in [RFC2566] for
+         the attribute and MUST be returned in the Unsupported
+         Attributes Group.
+      client-error-document-format-not-supported:  the document format
+         supplied is not supported.  The "document-format" attribute
+         with the unsupported value MUST be returned in the Unsupported
+         Attributes Group.  This error SHOULD take precedence over any
+         other 'xxx-not-supported' error, except 'client-error-charset-
+         not-supported'.
+      client-error-attributes-or-values-not-supported:  one or more
+         supplied attributes, attribute syntaxes, or values are not
+         supported and the client supplied the "ipp-attributes-fidelity"
+         operation attribute with a 'true' value.  They MUST be returned
+         in the Unsupported Attributes Group as explained below.
+      client-error-uri-scheme-not-supported:  not applicable.
+      client-error-charset-not-supported:  the charset supplied in the
+         "attributes-charset" operation attribute is not supported.  The
+         Printer's "configured-charset" MUST be returned in the response
+         as the value of the "attributes-charset" operation attribute
+         and used for any 'text' and 'name' attributes returned in the
+         error response.  This error SHOULD take precedence over any
+         other error, unless the request syntax is so bad that the
+         client's supplied "attributes-charset" cannot be determined.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 39]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      client-error-conflicting-attributes:  one or more supplied
+         attribute va attribute values conflicted with each other and
+         the client supplied the "ipp-attributes-fidelity" operation
+         attribute with a 'true' value.  They MUST be returned in the
+         Unsupported Attributes Group as explained below.
+      server-error-internal-error:  an unexpected condition prevents the
+         request from being fulfilled.
+      server-error-operation-not-supported:  not applicable (since
+         Print-Job is REQUIRED).
+      server-error-service-unavailable:  the service is temporarily
+         overloaded.
+      server-error-version-not-supported:  the version in the request is
+         not supported.  The "closest" version number supported MUST be
+         returned in the response.
+      server-error-device-error:  a device error occurred while
+         receiving or spooling the request or document data or the IPP
+         Printer object can only accept one job at a time.
+      server-error-temporary-error:  a temporary error such as a buffer
+         full write error, a memory overflow, or a disk full condition
+         occurred while receiving the request and/or the document data.
+      server-error-not-accepting-jobs:  the Printer object's "printer-
+         is-not-accepting-jobs" attribute is 'false'.
+      server-error-busy:  the Printer is too busy processing jobs to
+         accept another job at this time.
+      server-error-job-canceled:  the job has been canceled by an
+         operator or the system while the client was transmitting the
+         document data.
+
+2.3.1.2   Print-URI
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to Print-URI with the following
+   specializations and differences.  See Section 14 for a more complete
+   description of each status code.
+
+      server-error-uri-scheme-not-supported:  the URI scheme supplied in
+         the "document-uri" operation attribute is not supported and is
+         returned in the Unsupported Attributes group.
+
+2.3.1.3   Validate-Job
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to Validate-Job.  See Section 14
+   for a more complete description of each status code.
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 40]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.3.1.4   Create-Job
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to Create-Job with the following
+   specializations and differences.  See Section 14 for a more complete
+   description of each status code.
+
+      server-error-operation-not-supported:  the Create-Job operation is
+         not supported.
+
+2.3.1.5   Get-Printer-Attributes
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to the Get-Printer-Attributes
+   operation with the following specializations and differences.   See
+   Section 14 for a more complete description of each status code.
+
+   For the following success status codes, the requested attributes are
+   returned in Group 3 in the response:
+
+      successful-ok:  no request attributes were substituted or ignored
+         (same as Print-Job) and no requested attributes were
+         unsupported.
+      successful-ok-ignored-or-substituted-attributes:   same as Print-
+         Job, except the "requested-attributes" operation attribute MAY,
+         but NEED NOT, be returned with the unsupported values.
+      successful-ok-conflicting-attributes:  same as Print-Job.
+
+   For the error status codes, Group 3 is returned containing no
+   attributes or is not returned at all:
+
+      client-error-not-possible:  Same as Print-Job, in addition the
+         Printer object is not accepting any requests.
+      client-error-request-entity-too-large:  same as Print-job, except
+         that no print data is involved.
+      client-error-attributes-or-values-not-supported:  not applicable,
+         since unsupported operation attributes MUST be ignored and '
+         successful-ok-ignored-or-substituted-attributes' returned.
+      client-error-conflicting-attributes:  same as Print-Job, except
+         that "ipp-attribute-fidelity" is not involved.
+      server-error-operation-not-supported:  not applicable (since Get-
+         Printer-Attributes is REQUIRED).
+      server-error-device-error:  same as Print-Job, except that no
+         document data is involved.
+      server-error-temporary-error:  same as Print-Job, except that no
+         document data is involved.
+      server-error-not-accepting-jobs:  not applicable.
+
+
+
+
+Hastings & Manros            Informational                     [Page 41]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      server-error-busy:  same as Print-Job, except the IPP object is
+         too busy to accept even query requests.
+      server-error-job-canceled:  not applicable.
+
+2.3.1.6   Get-Jobs
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to the Get-Jobs operation with the
+   following specializations and differences.   See Section 14 for a
+   more complete description of each status code.
+
+   For the following success status codes, the requested attributes are
+   returned in Group 3 in the response:
+
+      successful-ok:  no request attributes were substituted or ignored
+         (same as Print-Job) and no requested attributes were
+         unsupported.
+      successful-ok-ignored-or-substituted-attributes:   same as Print-
+         Job, except the "requested-attributes" operation attribute MAY,
+         but NEED NOT, be returned with the unsupported values.
+      successful-ok-conflicting-attributes:  same as Print-Job.
+
+   For any error status codes, Group 3 is returned containing no
+   attributes or is not returned at all.  The following brief error
+   status code descriptions contain unique information for use with
+   Get-Jobs operation.  See section 14 for the other error status codes
+   that apply uniformly to all operations:
+
+      client-error-not-possible:  Same as Print-Job, in addition the
+         Printer object is not accepting any requests.
+      client-error-request-entity-too-large:  same as Print-job, except
+         that no print data is involved.
+      client-error-document-format-not-supported:  not applicable.
+      client-error-attributes-or-values-not-supported:  not applicable,
+         since unsupported operation attributes MUST be ignored and '
+         successful-ok-ignored-or-substituted-attributes' returned.
+      client-error-conflicting-attributes:  same as Print-Job, except
+         that "ipp-attribute-fidelity" is not involved.
+      server-error-operation-not-supported:  not applicable (since Get-
+         Jobs is REQUIRED).
+      server-error-device-error:  same as Print-Job, except that no
+         document data is involved.
+      server-error-temporary-error:  same as Print-Job, except that no
+         document data is involved.
+      server-error-not-accepting-jobs:  not applicable.
+      server-error-job-canceled:  not applicable.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 42]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.3.2 Job Operations
+
+2.3.2.1   Send-Document
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to the Get-Printer-Attributes
+   operation with the following specializations and differences.   See
+   Section 14 for a more complete description of each status code.
+
+   For the following success status codes, the document has been added
+   to the specified Job object and the job's "number-of-documents"
+   attribute has been incremented:
+
+      successful-ok:  no request attributes were substituted or ignored
+         (same as Print-Job).
+      successful-ok-ignored-or-substituted-attributes:  same as Print-
+         Job.
+      successful-ok-conflicting-attributes:  same as Print-Job.
+
+   For the error status codes, no document has been added to the Job
+   object and the job's "number-of-documents" attribute has not been
+   incremented:
+
+      client-error-not-possible: Same as Print-Job, except that the
+         Printer's "printer-is-accepting-jobs" attribute is not
+         involved, so that the client is able to finish submitting a
+         multi-document job after this attribute has been set to 'true'.
+         Another condition is that the state of the job precludes Send-
+         Document, i.e., the job has already been closed out by the
+         client.  However, if the IPP Printer closed out the job due to
+         timeout, the 'client-error-timeout' error status SHOULD  be
+         returned instead.
+      client-error-timeout:  This request was sent after the Printer
+         closed the job, because it has not received a Send-Document or
+         Send-URI operation within the Printer's "multiple-operation-
+         time-out" period.
+      client-error-request-entity-too-large:  same as Print-Job.
+      client-error-conflicting-attributes:  same as Print-Job, except
+         that "ipp-attributes-fidelity" operation attribute is not
+         involved.
+      server-error-operation-not-supported:  the Send-Document request
+         is not supported.
+      server-error-not-accepting-jobs:  not applicable.
+      server-error-job-canceled:  the job has been canceled by an
+         operator or the system while the client was transmitting the
+         data.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 43]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.3.2.2   Send-URI
+
+   All of the Print-Job status code descriptions in Section 3.2.1.2
+   Print-Job Response with the specializations described for Send-
+   Document are applicable to Send-URI.  See Section 14 for a more
+   complete description of each status code.
+
+      server-error-uri-scheme-not-supported:  the URI scheme supplied in
+         the "document-uri" operation attribute is not supported and the
+         "document-uri" attribute MUST be returned in the Unsupported
+         Attributes group.
+
+2.3.2.3   Cancel-Job
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to Cancel-Job with the following
+   specializations and differences.  See Section 14 for a more complete
+   description of each status code.
+
+   For the following success status codes, the Job object is being
+   canceled or has been canceled:
+
+      successful-ok:  no request attributes were substituted or ignored
+         (same as Print-Job).
+      successful-ok-ignored-or-substituted-attributes:   same as Print-
+         Job.
+      successful-ok-conflicting-attributes:  same as Print-Job.
+
+   For any of the error status codes, the Job object has not been
+   canceled or was previously canceled.
+
+      client-error-not-possible:  The request cannot be carried out
+         because of the state of the Job object ('completed', '
+         canceled', or 'aborted') or the state of the system.
+      client-error-not-found:  the target Printer and/or Job object does
+         not exist.
+      client-error-gone:  the target Printer and/or Job object no longer
+         exists and no forwarding address is known.
+      client-error-request-entity-too-large:  same as Print-Job, except
+         no document data is involved.
+      client-error-document-format-not-supported:  not applicable.
+      client-error-attributes-or-values-not-supported:  not applicable,
+         since unsupported operation attributes and values MUST be
+         ignored.
+      client-error-conflicting-attributes:  same as Print-Job, except
+         that the Printer's "printer-is-accepting-jobs" attribute is not
+         involved.
+
+
+
+
+Hastings & Manros            Informational                     [Page 44]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      server-error-operation-not-supported:  not applicable (Cancel-Job
+         is REQUIRED).
+      server-error-device-error:  same as Print-Job, except no document
+         data is involved.
+      server-error-temporary-error:  same as Print-Job, except no
+         document data is involved.
+      server-error-not-accepting-jobs:  not applicable.
+      server-error-job-canceled:  not applicable.
+
+2.3.2.4   Get-Job-Attributes
+
+   All of the Print-Job status codes described in Section 3.2.1.2
+   Print-Job Response are applicable to Get-Job-Attributes with the
+   following specializations and differences.  See Section 14 for a more
+   complete description of each status code.
+
+   For the following success status codes, the requested attributes are
+   returned in Group 3 in the response:
+
+      successful-ok:  no request attributes were substituted or ignored
+         (same as Print-Job) and no requested attributes were
+         unsupported.
+      successful-ok-ignored-or-substituted-attributes:   same as Print-
+         Job, except the "requested-attributes" operation attribute MAY,
+         but NEED NOT, be returned with the unsupported values.
+      successful-ok-conflicting-attributes:  same as Print-Job.
+
+   For the error status codes, Group 3 is returned containing no
+   attributes or is not returned at all.
+
+      client-error-not-possible:  Same as Print-Job, in addition the
+         Printer object is not accepting any requests.
+      client-error-document-format-not-supported:  not applicable.
+      client-error-attributes-or-values-not-supported:  not applicable.
+      client-error-uri-scheme-not-supported:  not applicable.
+      client-error-conflicting-attributes:  not applicable
+      server-error-operation-not-supported:  not applicable (since Get-
+         Job-Attributes is REQUIRED).
+      server-error-device-error:  same as Print-Job, except no document
+         data is involved.
+      server-error-temporary-error:  sane as Print-Job, except no
+         document data is involved.
+      server-error-not-accepting-jobs:  not applicable.  server-error-
+      job-canceled:  not applicable.
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 45]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.4 Validate-Job
+
+   The Validate-Job operation has been designed so that its
+   implementation may be a part of the Print-Job operation.  Therefore,
+   requiring Validate-Job is not a burden on implementers.  Also it is
+   useful for client's to be able to count on its presence in all
+   conformance implementations, so that the client can determine before
+   sending a long document, whether the job will be accepted by the IPP
+   Printer or not.
+
+2.5 Case Sensitivity in URIs
+
+   IPP client and server implementations must be aware of the diverse
+   uppercase/lowercase nature of URIs.  RFC 2396 defines URL schemes and
+   Host names as case insensitive but reminds us that the rest of the
+   URL may well demonstrate case sensitivity.  When creating URL's for
+   fields where the choice is completely arbitrary, it is probably best
+   to select lower case.  However, this cannot be guaranteed and
+   implementations MUST NOT rely on any fields being case-sensitive or
+   case-insensitive in the URL beyond the URL scheme and host name
+   fields.
+
+   The reason that the IPP specification does not make any restrictions
+   on URIs, is so that implementations of IPP may use off-the-shelf
+   components that conform to the standards that define URIs, such as
+   RFC 2396 and the HTTP/1.1 specifications [RFC2068].  See these
+   specifications for rules of matching, comparison, and case-
+   sensitivity.
+
+   It is also recommended that System Administrators and implementations
+   avoid creating URLs for different printers that differ only in their
+   case.  For example, don't have Printer1 and printer1 as two different
+   IPP Printers.
+
+   The HTTP/1.1 specification [RFC2068] contains more details on
+   comparing URLs.
+
+2.6 Character Sets, natural languages, and internationalization
+
+   This section discusses character set support, natural language
+   support and internationalization.
+
+2.6.1 Character set code conversion support
+
+   IPP clients and IPP objects are REQUIRED to support UTF-8.  They MAY
+   support additional charsets.  It is RECOMMENDED that an IPP object
+   also support US-ASCII, since many clients support US-ASCII, and
+   indicate that UTF-8 and US-ASCII are supported by populating the
+
+
+
+Hastings & Manros            Informational                     [Page 46]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Printer's "charset-supported" with 'utf-8' and 'us-ascii' values.  An
+   IPP object is required to code covert with as little loss as possible
+   between the charsets that it supports, as indicated in the Printer's
+   "charsets-supported" attribute.
+
+   How should the server handle the situation where the "attributes-
+   charset" of the response itself is "us-ascii", but one or more
+   attributes in that response is in the "utf-8" format?
+
+   Example:  Consider a case where a client sends a Print-Job request
+   with "utf-8" as the value of "attributes-charset" and with the "job-
+   name" attribute supplied.  Later another client submits a Get-Job-
+   Attribute or Get-Jobs request.  This second request contains the
+   "attributes-charset" with value "us-ascii" and "requested-attributes"
+   attribute with exactly one value "job-name".
+
+   According to the RFC2566 document (section 3.1.4.2), the value of the
+   "attributes-charset" for the response of the second request must be
+   "us-ascii" since that is the charset specified in the request.  The
+   "job-name" value, however, is in "utf-8" format.  Should the request
+   be rejected even though both "utf-8" and "us-ascii" charsets are
+   supported by the server? or should the "job-name" value be converted
+   to "us-ascii" and return "successful-ok-conflicting-attributes"
+   (0x0002) as the status code?
+
+   Answer:  An IPP object that supports both utf-8 (REQUIRED) and us-
+   ascii, the second paragraph of section 3.1.4.2 applies so that the
+   IPP object MUST accept the request, perform code set conversion
+   between these two charsets with "the highest fidelity possible" and
+   return 'successful-ok', rather than a warning 'successful-ok-
+   conflicting-attributes, or an error.  The printer will do the best it
+   can to convert between each of the character sets that it supports--
+   even if that means providing a string of question marks because none
+   of the characters are representable in US ASCII.  If it can't perform
+   such conversion, it MUST NOT advertise us-ascii as a value of its
+   "attributes-charset-supported" and MUST reject any request that
+   requests 'us-ascii'.
+
+   One IPP object implementation strategy is to convert all request text
+   and name values to a Unicode internal representation.  This is 16-bit
+   and virtually universal.  Then convert to the specified operation
+   attributes-charset on output.
+
+   Also it would be smarter for a client to ask for 'utf-8', rather than
+   'us-ascii' and throw away characters that it doesn't understand,
+   rather than depending on the code conversion of the IPP object.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 47]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.6.2 What charset to return when an unsupported charset is requested?
+
+   Section 3.1.4.1 Request Operation attributes was clarified in
+   November 1998 as follows:
+
+      All clients and IPP objects MUST support the 'utf-8' charset
+      [RFC2044] and MAY support additional charsets provided that they
+      are registered with IANA [IANA-CS].  If the Printer object does
+      not support the client supplied charset value, the Printer object
+      MUST reject the request, set the "attributes-charset" to 'utf-8'
+      in the response, and return the 'client-error-charset-not-
+      supported' status code and any 'text' or 'name' attributes using
+      the 'utf-8' charset.
+
+   Since the client and IPP object MUST support UTF-8, returning any
+   text or name attributes in UTF-8 when the client requests a charset
+   that is not supported should allow the client to display the text or
+   name.
+
+   Since such an error is a client error, rather than a user error, the
+   client should check the status code first so that it can avoid
+   displaying any other returned 'text' and 'name' attributes that are
+   not in the charset requested.
+
+   Furthermore, [RFC2566] section 14.1.4.14 client-error-charset-not-
+   supported (0x040D) was clarified in November 1998 as follows:
+
+      For any operation, if the IPP Printer does not support the charset
+      supplied by the client in the "attributes-charset" operation
+      attribute, the Printer MUST reject the operation and return this
+      status and any 'text' or 'name' attributes using the 'utf-8'
+      charset (see Section 3.1.4.1).
+
+2.6.3 Natural Language Override (NLO)
+
+   The 'text' and 'name' attributes each have two forms.  One has an
+   implicit natural language, and the other has an explicit natural
+   language.  The 'textWithoutLanguage' and 'textWithoutLanguage' are
+   the two 'text' forms.  The 'nameWithoutLanguage" and '
+   nameWithLanguage are the two 'name' forms.  If a receiver (IPP object
+   or IPP client) supports an attribute with attribute syntax 'text', it
+   MUST support both forms in a request and a response.  A sender (IPP
+   client or IPP object) MAY send either form for any such attribute.
+   When a sender sends a WithoutLanguage form, the implicit natural
+   language is specified in the "attributes-natural-language" operation
+   attribute which all senders MUST include in every request and
+   response.
+
+
+
+
+Hastings & Manros            Informational                     [Page 48]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   When a sender sends a WithLanguage form, it MAY be different from the
+   implicit natural language supplied by the sender or it MAY be the
+   same.  The receiver MUST treat either form equivalently.
+
+   There is an implementation decision for senders, whether to always
+   send the WithLanguage forms or use the WithoutLanguage form when the
+   attribute's natural language is the same as the request or response.
+   The former approach makes the sender implementation simpler.  The
+   latter approach is more efficient on the wire and allows inter-
+   working with non-conforming receivers that fail to support the
+   WithLanguage forms.  As each approach have advantages, the choice is
+   completely up to the implementer of the sender.
+
+   Furthermore, when a client receives a 'text' or 'name' job attribute
+   that it had previously supplied, that client MUST NOT expect to see
+   the attribute in the same form, i.e., in the same WithoutLanguage or
+   WithLanguage form as the client supplied when it created the job.
+   The IPP object is free to transform the attribute from the
+   WithLanguage form to the WithoutLanguage form and vice versa, as long
+   as the natural language is preserved.  However, in order to meet this
+   latter requirement, it is usually simpler for the IPP object
+   implementation to store the natural language explicitly with the
+   attribute value, i.e., to store using an internal representation that
+   resembles the WithLanguage form.
+
+   The IPP Printer MUST copy the natural language of a job, i.e., the
+   value of the "attributes-natural-language" operation attribute
+   supplied by the client in the create operation, to the Job object as
+   a Job Description attribute, so that a client is able to query it.
+   In returning a Get-Job-Attributes response, the IPP object MAY return
+   one of three natural language values in the response's "attributes-
+   natural-language" operation attribute: (1) that requested by the
+   requester, (2) the natural language of the job, or (3) the configured
+   natural language of the IPP Printer, if the requested language is not
+   supported by the IPP Printer.
+
+   This "attributes-natural-language" Job Description attribute is
+   useful for an IPP object implementation that prints start sheets in
+   the language of the user who submitted the job.  This same Job
+   Description attribute is useful to a multi-lingual operator who has
+   to communicate with different job submitters in different natural
+   languages.  This same Job Description attribute is expected to be
+   used in the future to generate notification messages in the natural
+   language of the job submitter.
+
+   Early drafts of [RFC2566] contained a job-level natural language
+   override (NLO) for the Get-Jobs response.  A job-level (NLO) is an
+   (unrequested) Job Attribute which then specified the implicit natural
+
+
+
+Hastings & Manros            Informational                     [Page 49]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   language for any other WithoutLanguage job attributes returned in the
+   response for that job.  Interoperability testing of early
+   implementations showed that no one was implementing the job-level NLO
+   in Get-Job responses.  So the job-level NLO was eliminated from the
+   Get- Jobs response.  This simplification makes all requests and
+   responses consistent in that the implicit natural language for any
+   WithoutLanguage 'text' or 'name' form is always supplied in the
+   request's or response's "attributes-natural-language" operation
+   attribute.
+
+2.7 The "queued-job-count" Printer Description attribute
+
+2.7.1 Why is "queued-job-count" RECOMMENDED?
+
+   The reason that "queued-job-count" is RECOMMENDED, is that some
+   clients look at that attribute alone when summarizing the status of a
+   list of printers, instead of doing a Get-Jobs to determine the number
+   of jobs in the queue.  Implementations that fail to support the
+   "queued-job-count" will cause that client to display 0 jobs when
+   there are actually queued jobs.
+
+   We would have made it a REQUIRED Printer attribute, but some
+   implementations had already been completed before the issue was
+   raised, so making it a SHOULD was a compromise.
+
+2.7.2 Is "queued-job-count" a good measure of how busy a printer is?
+
+   The "queued-job-count" is not a good measure of how busy the printer
+   is when there are held jobs.  A future registration could be to add a
+   "held-job-count" (or an "active-job-count") Printer Description
+   attribute if experience shows that such an attribute (combination) is
+   needed to quickly indicate how busy a printer really is.
+
+2.8 Sending empty attribute groups
+
+   The [RFC2566] and [RFC2565] specifications RECOMMEND that a sender
+   not send an empty attribute group in a request or a response.
+   However, they REQUIRE a receiver to accept an empty attribute group
+   as equivalent to the omission of that group.  So a client SHOULD omit
+   the Job Template Attributes group entirely in a create operation that
+   is not supplying any Job Template attributes.  Similarly, an IPP
+   object SHOULD omit an empty Unsupported Attributes group if there are
+   no unsupported attributes to be returned in a response.
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 50]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   The [RFC2565] specification REQUIRES a receiver to be able to receive
+   either an empty attribute group or an omitted attribute group and
+   treat them equivalently.  The term "receiver" means an IPP object for
+   a request and a client for a response.  The term "sender' means a
+   client for a request and an IPP object for a response.
+
+   There is an exception to the rule for Get-Jobs when there are no
+   attributes to be returned.  [RFC2565] contains the following
+   paragraph:
+
+      The syntax allows an xxx-attributes-tag to be present when the
+      xxx-attribute-sequence that follows is empty. The syntax is
+      defined this way to allow for the response of Get-Jobs where no
+      attributes are returned for some job-objects.  Although it is
+      RECOMMENDED that the sender not send an xxx-attributes-tag if
+      there are no attributes (except in the Get-Jobs response just
+      mentioned), the receiver MUST be able to decode such syntax.
+
+2.9 Returning unsupported attributes in Get-Xxxx responses
+
+   In the Get-Printer-Attributes, Get-Jobs, or Get-Job-Attributes
+   responses, the client cannot depend on getting unsupported attributes
+   returned in the Unsupported Attributes group that the client
+   requested, but are not supported by the IPP object.  However, such
+   unsupported requested attributes will not be returned in the Job
+   Attributes or Printer Attributes group (since they are unsupported).
+   Furthermore, the IPP object is REQUIRED to return the 'successful-
+   ok-ignored-or-substituted-attributes' status code, so that the client
+   knows that not all that was requested has been returned.
+
+2.10 Returning job-state in Print-Job response
+
+   An IPP client submits a small job via Print-Job.  By the time the IPP
+   printer/print server is putting together a response to the operation,
+   the job has finished printing and been removed as an object from the
+   print system.  What should the job-state be in the response?
+
+   The Model suggests that the Printer return a response before it even
+   accepts the document content.  The Job Object Attributes are returned
+   only if the IPP object returns one of the success status codes. Then
+   the job-state would always be "pending" or "pending-held".
+
+   This issue comes up for the implementation of an IPP Printer object
+   as a server that forwards jobs to devices that do not provide job
+   status back to the server.  If the server is reasonably certain that
+   the job completed successfully, then it should return the job-state
+   as 'completed'.  Also the server can keep the job in its "job
+   history" long after the job is no longer in the device.  Then a user
+
+
+
+Hastings & Manros            Informational                     [Page 51]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   could query the server and see that the job was in the 'completed'
+   state and completed as specified by the job's "time-at-completed"
+   time which would be the same as the server submitted the job to the
+   device.
+
+   An alternative is for the server to respond to the client before or
+   while sending the job to the device, instead of waiting until the
+   server has finished sending the job to the device.  In this case, the
+   server can return the job's state as 'pending' with the 'job-
+   outgoing' value in the job's "job-state-reasons" attribute.
+
+   If the server doesn't know for sure whether the job completed
+   successfully (or at all), it could return the (out-of-band) 'unknown'
+   value.
+
+   On the other hand, if the server is able to query the device and/or
+   setup some sort of event notification that the device initiates when
+   the job makes state transitions, then the server can return the
+   current job state in the Print-Job response and in subsequent queries
+   because the server knows what the job state is in the device (or can
+   query the device).
+
+   All of these alternatives depend on implementation of the server and
+   the device.
+
+2.11 Flow controlling the data portion of a Print-Job request
+
+   A paused printer (or one that is stopped due to paper out or jam or
+   spool space full or buffer space full, may flow control the data of a
+   Print-Job operation (at the TCP/IP layer), so that the client is not
+   able to send all the document data.  Consequently, the Printer will
+   not return a response until the condition is changed.
+
+   The Printer should not return a Print-Job response with an error code
+   in any of these conditions, since either the printer will be resumed
+   and/or the condition will be freed either by human intervention or as
+   jobs print.
+
+   In writing test scripts to test IPP Printers, the script must also be
+   written not to expect a response, if the printer has been paused,
+   until the printer is resumed, in order to work with all possible
+   implementations.
+
+2.12 Multi-valued attributes
+
+   What is the attribute syntax for a multi-valued attribute?  Since
+   some attributes support values in more than one data type, such as
+   "media", "job-hold-until", and "job-sheets", IPP semantics associate
+
+
+
+Hastings & Manros            Informational                     [Page 52]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   the attribute syntax with each value, not with the attribute as a
+   whole.  The protocol associates the attribute syntax tag with each
+   value.  Don't be fooled, just because the attribute syntax tag comes
+   before the attribute keyword.  All attribute values after the first
+   have a zero length attribute keyword as the indication of a
+   subsequent value of the same attribute.
+
+2.13 Querying jobs with IPP that were submitted using other job
+     submission protocols
+
+   The following clarification was added to [RFC2566] section 8.5:
+
+      8.5 Queries on jobs submitted using non-IPP protocols
+
+      If the device that an IPP Printer is representing is able to
+      accept jobs using other job submission protocols in addition to
+      IPP, it is RECOMMEND that such an implementation at least allow
+      such "foreign" jobs to be queried using Get-Jobs returning "job-
+      id" and "job-uri" as 'unknown'.  Such an implementation NEED NOT
+      support all of the same IPP job attributes as for IPP jobs.  The
+      IPP object returns the 'unknown' out-of-band value for any
+      requested attribute of a foreign job that is supported for IPP
+      jobs, but not for foreign jobs.
+
+      It is further RECOMMENDED, that the IPP Printer generate "job-id"
+      and "job-uri" values for such "foreign jobs", if possible, so that
+      they may be targets of other IPP operations, such as Get-Job-
+      Attributes and Cancel-Job.  Such an implementation also needs to
+      deal with the problem of authentication of such foreign jobs.  One
+      approach would be to treat all such foreign jobs as belonging to
+      users other than the user of the IPP client.  Another approach
+      would be for the foreign job to belong to 'anonymous'.  Only if
+      the IPP client has been authenticated as an operator or
+      administrator of the IPP Printer object, could the foreign jobs be
+      queried by an IPP request.  Alternatively, if the security policy
+      is to allow users to query other users' jobs, then the foreign
+      jobs would also be visible to an end-user IPP client using Get-
+      Jobs and Get-Job-Attributes.
+
+   Thus IPP MAY be implemented as a "universal" protocol that provides
+   access to jobs submitted with any job submission protocol.  As IPP
+   becomes widely implemented, providing a more universal access makes
+   sense.
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 53]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+2.14 The 'none' value for empty sets
+
+   [RFC2566] states that the 'none' value should be used as the value of
+   a 1SetOf when the set is empty. In most cases, sets that are
+   potentially empty contain keywords so the keyword 'none' is used, but
+   for the 3 finishings attributes, the values are enums and thus the
+   empty set is represented by the enum 3.  Currently there are no other
+   attributes with 1SetOf values which can be empty and can contain
+   values that are not keywords.  This exception requires special code
+   and is a potential place for bugs.  It would have been better if we
+   had chosen an out-of-band value, either "no-value" or some new value,
+   such as 'none'.  Since we didn't, implementations have to deal with
+   the different representations of 'none', depending on the attribute
+   syntax.
+
+2.15 Get-Jobs, my-jobs='true', and 'requesting-user-name'?
+
+   In [RFC2566] section 3.2.6.1 'Get-Jobs Request', if the attribute '
+   my-jobs' is present and set to TRUE, MUST the 'requesting-user-name'
+   attribute be there to, and if it's not present what should the IPP
+   printer do?
+
+   [RFC2566] Section 8.3 describes the various cases of "requesting-
+   user-name" being present or not for any operation.  If the client
+   does not supply a value for "requesting-user-name", the printer MUST
+   assume that the client is supplying some anonymous name, such as
+   "anonymous".
+
+2.16 The "multiple-document-handling" Job Template attribute and support
+     of multiple document jobs
+
+   ISSUE:  IPP/1.0 is silent on which of the four effects an
+   implementation would perform if it supports Create-Job, but does not
+   support "multiple-document-handling".
+
+   A fix to IPP/1.0 would be to require implementing all four values of
+   "multiple-document-handling" if Create-Job is supported at all.  Or
+   at least 'single-document-new-sheet' and 'separate-documents-
+   uncollated-copies'.  In any case, an implementation that supports
+   Create-Job SHOULD also support "multiple-document-handling".  Support
+   for all four values is RECOMMENDED, but at least the 'single-
+   document-new-sheet' and 'separate-documents-uncollated-copies'
+   values, along with the "multiple-document-handling-default"
+   indicating the default behavior and "multiple-document-handling-
+   supported" values.  If an implementation spools the data, it should
+   also support the 'separate-documents-collated-copies' value as well.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 54]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+3  Encoding and Transport
+
+   This section discusses various aspects of IPP/1.0 Encoding and
+   Transport [RFC2565].
+
+   A server is not required to send a response until after it has
+   received the client.s entire request.  Hence, a client must not
+   expect a response until after it has sent the entire request.
+   However, we recommend that the server return a response as soon as
+   possible if an error is detected while the client is still sending
+   the data, rather than waiting until all of the data is received.
+   Therefore, we also recommend that a client listen for an error
+   response that an IPP server MAY send before it receives all the data.
+   In this case a client, if chunking the data, can send a premature
+   zero-length chunk to end the request before sending all the data (and
+   so the client can keep the connection open for other requests, rather
+   than closing it). If the request is blocked for some reason, a client
+   MAY determine the reason by opening another connection to query the
+   server using Get-Printer-Attributes.
+
+   In the following sections, there are a tables of all HTTP headers
+   which describe their use in an IPP client or server.  The following
+   is an explanation of each column in these tables.
+
+      - the .header. column contains the name of a header.
+      - the .request/client. column indicates whether a client sends the
+        header.
+      - the .request/ server. column indicates whether a server supports
+        the header when received.
+      - the .response/ server. column indicates whether a server sends
+        the header.
+      - the .response /client. column indicates whether a client
+        supports the header when received.
+      - the .values and conditions. column specifies the allowed header
+        values and the conditions for the header to be present in a
+        request/response.
+
+   The table for .request headers. does not have columns for responses,
+   and the table for .response headers. does not have columns for
+   requests.
+
+   The following is an explanation of the values in the .request/client.
+   and .response/ server. columns.
+
+      - must: the client or server MUST send the header,
+      - must-if: the client or server MUST send the header when the
+        condition described in the .values and conditions. column is
+        met,
+
+
+
+Hastings & Manros            Informational                     [Page 55]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+      - may: the client or server MAY send the header
+      - not: the client or server SHOULD NOT send the header. It is not
+        relevant to an IPP implementation.
+
+   The following is an explanation of the values in the
+   .response/client.  and .request/ server. columns.
+
+      - must: the client or server MUST support the header,
+      - may: the client or server MAY support the header
+      - not: the client or server SHOULD NOT support the header. It is
+        not relevant to an IPP implementation.
+
+3.1 General Headers
+
+
+   The following is a table for the general headers.
+
+
+   General-     Request         Response       Values and Conditions
+   Header
+
+                Client  Server Server Client
+
+   Cache-       must    not    must   not     .no-cache. only
+   Control
+
+   Connection   must-if must   must-  must    .close. only. Both
+                                if             client and server
+                                                SHOULD keep a
+                                                connection for the
+                                                duration of a sequence
+                                                of operations. The
+                                                client and server MUST
+                                                include this header
+                                                for the last operation
+                                                in such a sequence.
+
+   Date         may     may    must   may     per RFC 1123 [RFC1123]
+                                                from RFC 2068
+                                                [RFC2068]
+
+   Pragma       must    not    must   not     .no-cache. only
+
+   Transfer-    must-if must   must-  must    .chunked. only .
+   Encoding                     if             Header MUST be present
+                                                if Content-Length is
+                                                absent.
+
+
+
+
+Hastings & Manros            Informational                     [Page 56]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Upgrade      not     not    not    not
+
+   Via          not     not    not    not
+
+3.2 Request  Headers
+
+
+   The following is a table for the request headers.
+
+
+   Request-Header   Client   Server  Request Values and Conditions
+
+   Accept           may      must    .application/ipp. only.  This
+                                      value is the default if the
+
+   Request-Header   Client   Server  Request Values and Conditions
+
+                                      client omits it
+
+   Accept-Charset   not      not      Charset information is within
+                                      the application/ipp entity
+
+   Accept-Encoding  may      must    empty and per RFC 2068 [RFC2068]
+                                      and IANA registry for content-
+                                      codings
+
+   Accept-Language  not      not     language information is within
+                                      the application/ipp entity
+
+   Authorization    must-if  must    per RFC 2068. A client MUST send
+                                      this header when it receives a
+                                      401 .Unauthorized. response and
+                                      does not receive a  .Proxy-
+                                      Authenticate. header.
+
+   From             not      not     per RFC 2068. Because RFC
+                                      recommends sending this header
+                                      only with the user.s approval, it
+                                      is not very useful
+
+   Host             must     must    per RFC 2068
+
+   If-Match         not      not
+
+   If-Modified-     not      not
+   Since
+
+   If-None-Match    not      not
+
+
+
+Hastings & Manros            Informational                     [Page 57]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   If-Range         not      not
+
+   If-Unmodified-   not      not
+   Since
+
+   Max-Forwards     not      not
+
+   Proxy-           must-if  not     per RFC 2068. A client MUST send
+   Authorization                      this header when it receives a
+                                      401 .Unauthorized. response and a
+                                      .Proxy-Authenticate. header.
+
+   Range            not      not
+
+   Referer          not      not
+
+   User-Agent       not      not
+
+
+3.3 Response Headers
+
+
+   The following is a table for the request headers.
+
+
+   Response-      Server  Client  Response Values and Conditions
+   Header
+
+   Accept-Ranges  not     not
+
+   Age            not     not
+
+   Location       must-if may     per RFC 2068. When URI needs
+                                   redirection.
+
+   Proxy-         not     must    per RFC 2068
+   Authenticate
+
+   Public         may     may     per RFC 2068
+
+   Retry-After    may     may     per RFC 2068
+
+   Server         not     not
+
+   Vary           not     not
+
+   Warning        may     may     per RFC 2068
+
+
+
+
+Hastings & Manros            Informational                     [Page 58]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   WWW-           must-if must    per RFC 2068. When a server needs to
+   Authenticate                    authenticate a client.
+
+3.4 Entity  Headers
+
+
+   The following is a table for the entity headers.
+
+
+   Entity-Header  Request         Response        Values and Conditions
+
+                  Client  Server Server  Client
+
+   Allow          not     not    not     not
+
+   Content-Base   not     not    not     not
+
+   Content-       may     must   must    must   per RFC 2068 and IANA
+   Encoding                                       registry for content
+                                                  codings.
+
+   Content-       not     not    not     not    Application/ipp
+   Language                                       handles language
+
+   Content-       must-if must   must-if must   the length of the
+   Length                                         message-body per RFC
+                                                  2068. Header MUST be
+                                                  present if Transfer-
+
+   Entity-Header  Request         Response        Values and Conditions
+
+                  Client  Server Server  Client
+
+                                                  Encoding is absent.
+
+   Content-       not     not    not     not
+   Location
+
+   Content-MD5    may     may    may     may    per RFC 2068
+
+   Content-Range  not     not    not     not
+
+   Content-Type   must    must   must    must   .application/ipp.
+                                                  only
+
+   ETag           not     not    not     not
+
+   Expires        not     not    not     not
+
+
+
+Hastings & Manros            Informational                     [Page 59]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Last-Modified  not     not    not     not
+
+
+3.5 Optional support for HTTP/1.0
+
+   IPP implementations consist of an HTTP layer and an IPP layer.  In
+   the following discussion, the term "client" refers to the HTTP client
+   layer and the term "server" refers to the HTTP server layer.  The
+   Encoding and Transport document [RFC2565] requires that HTTP 1.1 MUST
+   be supported by all clients and all servers.  However, a client
+   and/or a server implementation may choose to also support HTTP 1.0.
+
+   - This option means that a server may choose to communicate with a
+     (non-conforming) client that only supports HTTP 1.0.  In such cases
+     the server should not use any HTTP 1.1 specific parameters or
+     features and should respond using HTTP version number 1.0.
+
+   - This option also means that a client may choose to communicate with
+     a (non-conforming) server that only supports HTTP 1.0.  In such
+     cases, if the server responds with an HTTP .unsupported version
+     number. to an HTTP 1.1 request, the client should retry using HTTP
+     version number 1.0.
+
+3.6 HTTP/1.1 Chunking
+
+3.6.1 Disabling IPP Server Response Chunking
+
+   Clients MUST anticipate that the HTTP/1.1 server may chunk responses
+   and MUST accept them in responses.  However, a (non-conforming) HTTP
+   client that is unable to accept chunked responses may attempt to
+   request an HTTP 1.1 server not to use chunking in its response to an
+   operation by using the following HTTP header:
+
+        TE: identity
+
+   This mechanism should not be used by a server to disable a client
+   from chunking a request, since chunking of document data is an
+   important feature for clients to send long documents.
+
+3.6.2 Warning About the Support of Chunked Requests
+
+   This section describes some problems with the use of chunked requests
+   and HTTP/1.1 servers.
+
+   The HTTP/1.1 standard [HTTP] requires that conforming servers support
+   chunked requests for any method.  However, in spite of this
+   requirement, some HTTP/1.1 implementations support chunked responses
+   in the GET method, but do not support chunked POST method requests.
+
+
+
+Hastings & Manros            Informational                     [Page 60]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   Some HTTP/1.1 implementations that support CGI scripts [CGI] and/or
+   servlets [Servlet] require that the client supply a Content-Length.
+   These implementations might reject a chunked POST method and return a
+   411 status code (Length Required), might attempt to buffer the
+   request and run out of room returning a 413 status code (Request
+   Entity Too Large), or might successfully accept the chunked request.
+
+   Because of this lack of conformance of HTTP servers to the HTTP/1.1
+   standard, the IPP standard [RFC2565] REQUIRES that a conforming IPP
+   Printer object implementation support chunked requests and that
+   conforming clients accept chunked responses.  Therefore, IPP object
+   implementers are warned to seek HTTP server implementations that
+   support chunked POST requests in order to conform to the IPP standard
+   and/or use implementation techniques that support chunked POST
+   requests.
+
+4  References
+
+   [CGI]     Coar, K. and D. Robinson, "The WWW Common Gateway Interface
+             Version 1.1 (CGI/1.1)", Work in Progress.
+
+   [HTTP]    Fielding, R., Gettys,J., Mogul, J., Frystyk,, H., Masinter,
+             L., Leach, P. and T. Berners-Lee, "Hypertext Transfer
+             Protocol -- HTTP/1.1", RFC 2616, June 1999.
+
+   [RFC2569] Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+             "Mapping between LPD and IPP Protocols", RFC 2569, April
+             1999.
+
+   [RFC2566] deBry, R., Hastings, T., Herriot, R., Isaacson, S. and P.
+             Powell, "Internet Printing Protocol/1.0: Model and
+             Semantics", RFC 2566, April 1999.
+
+   [RFC2565] Herriot, R., Butler, S., Moore, P. and R. Tuner, "Internet
+             Printing Protocol/1.0: Encoding and Transport", RFC 2565,
+             April 1999.
+
+   [RFC2568] Zilles, S., "Rationale for the Structure and Model and
+             Protocol for the Internet Printing Protocol", RFC 2568,
+             April 1999.
+
+   [RFC2567] Wright, D., "Design Goals for an Internet Printing
+             Protocol", RFC 2567, April 1999.
+
+   [RFC1123] Braden, S., "Requirements for Internet Hosts - Application
+             and Support", STD 3, RFC 1123, October 1989.
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 61]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   [RFC2026] Bradner, S., "The Internet Standards Process -- Revision
+             3", BCP 9, RFC 2026, October 1996.
+
+   [RFC2068] Fielding, R., Gettys, J., Mogul, J., Frystyk, H. and T.
+             Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", RFC
+             2068, January 1997.
+
+   [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
+             Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2396] Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform
+             Resource Identifiers (URI): Generic Syntax", RFC 2396,
+             August 1998.
+
+   [Servlet] Servlet Specification Version 2.1
+             (http://java.sun.com/products/servlet/2.1/index.html).
+
+   [SSL]     Netscape, The SSL Protocol, Version 3, (Text version 3.02),
+             November 1996.
+
+4.1 Authors' Addresses
+
+   Thomas N. Hastings
+   Xerox Corporation
+   701 Aviation Blvd.
+   El Segundo, CA 90245
+
+   EMail: hastings@cp10.es.xerox.com
+
+
+   Carl-Uno Manros
+   Xerox Corporation
+   701 Aviation Blvd.
+   El Segundo, CA 90245
+
+   EMail: manros@cp10.es.xerox.com
+
+5  Security Considerations
+
+   Security issues are discussed in sections 2.2, 2.3.1, and 8.5.
+
+6  Notices
+
+   The IETF takes no position regarding the validity or scope of any
+   intellectual property or other rights that might be claimed to
+   pertain to the implementation or use of the technology described in
+   this document or the extent to which any license under such rights
+   might or might not be available; neither does it represent that it
+
+
+
+Hastings & Manros            Informational                     [Page 62]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+   has made any effort to identify any such rights.  Information on the
+   IETF's procedures with respect to rights in standards-track and
+   standards-related documentation can be found in BCP-11 [BCP-11].
+   Copies of claims of rights made available for publication and any
+   assurances of licenses to be made available, or the result of an
+   attempt made to obtain a general license or permission for the use of
+   such proprietary rights by implementers or users of this
+   specification can be obtained from the IETF Secretariat.
+
+   The IETF invites any interested party to bring to its attention any
+   copyrights, patents or patent applications, or other proprietary
+   rights which may cover technology that may be required to practice
+   this standard.  Please address the information to the IETF Executive
+   Director.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 63]
+
+RFC 2639              IPP/1.0: Implementer's Guide             July 1999
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings & Manros            Informational                     [Page 64]
+
diff --git a/standards/rfc2712.txt b/standards/rfc2712.txt
new file mode 100644
index 000000000..4888e2e2d
--- /dev/null
+++ b/standards/rfc2712.txt
@@ -0,0 +1,395 @@
+
+
+
+
+
+
+Network Working Group                                      A. Medvinsky
+Request for Comments: 2712                                       Excite
+Category: Standards Track                                        M. Hur
+                                                  CyberSafe Corporation
+                                                           October 1999
+
+
+  Addition of Kerberos Cipher Suites to Transport Layer Security (TLS)
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+IESG Note:
+
+   The 40-bit ciphersuites defined in this memo are included only for
+   the purpose of documenting the fact that those ciphersuite codes have
+   already been assigned.  40-bit ciphersuites were designed to comply
+   with US-centric, and now obsolete, export restrictions.  They were
+   never secure, and nowadays are inadequate even for casual
+   applications.  Implementation and use of the 40-bit ciphersuites
+   defined in this document, and elsewhere, is strongly discouraged.
+
+1. Abstract
+
+   This document proposes the addition of new cipher suites to the TLS
+   protocol [1] to support Kerberos-based authentication.  Kerberos
+   credentials are used to achieve mutual authentication and to
+   establish a master secret which is subsequently used to secure
+   client-server communication.
+
+2. Introduction
+
+   Flexibility is one of the main strengths of the TLS protocol.
+   Clients and servers can negotiate cipher suites to meet specific
+   security and administrative policies.  However, to date,
+   authentication in TLS is limited only to public key solutions.  As a
+   result, TLS does not fully support organizations with heterogeneous
+   security deployments that include authentication systems based on
+   symmetric cryptography.  Kerberos, originally developed at MIT, is
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 1]
+
+RFC 2712       Addition of Kerberos Cipher Suites to TLS   October 1999
+
+
+   based on an open standard [2] and is the most widely deployed
+   symmetric key authentication system.  This document proposes a new
+   option for negotiating Kerberos authentication within the TLS
+   framework.  This achieves mutual authentication and the establishment
+   of a master secret using Kerberos credentials.  The proposed changes
+   are minimal and, in fact, no different from adding a new public key
+   algorithm to the TLS framework.
+
+3. Kerberos Authentication Option In TLS
+
+   This section describes the addition of the Kerberos authentication
+   option to the TLS protocol.  Throughout this document, we refer to
+   the basic SSL handshake shown in Figure 1.  For a review of the TLS
+   handshake see [1].
+
+  CLIENT                                             SERVER
+  ------                                             ------
+ ClientHello
+                    -------------------------------->
+                                                     ServerHello
+                                                     Certificate *
+                                                     ServerKeyExchange*
+                                                     CertificateRequest*
+                                                     ServerHelloDone
+                    <-------------------------------
+ Certificate*
+ ClientKeyExchange
+ CertificateVerify*
+ change cipher spec
+ Finished
+     |              -------------------------------->
+     |                                               change cipher spec
+     |                                               Finished
+     |                                                   |
+     |                                                   |
+ Application Data   <------------------------------->Application Data
+
+ FIGURE 1: The TLS protocol.  All messages followed by a star are
+           optional.  Note: This figure was taken from an IETF document
+           [1].
+
+   The TLS security context is negotiated in the client and server hello
+   messages.  For example: TLS_RSA_WITH_RC4_MD5 means the initial
+   authentication will be done using the RSA public key algorithm, RC4
+   will be used for the session key, and MACs will be based on the MD5
+   algorithm.  Thus, to facilitate the Kerberos authentication option,
+   we must start by defining new cipher suites including (but not
+   limited to):
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 2]
+
+RFC 2712       Addition of Kerberos Cipher Suites to TLS   October 1999
+
+
+ CipherSuite      TLS_KRB5_WITH_DES_CBC_SHA            = { 0x00,0x1E };
+ CipherSuite      TLS_KRB5_WITH_3DES_EDE_CBC_SHA       = { 0x00,0x1F };
+ CipherSuite      TLS_KRB5_WITH_RC4_128_SHA            = { 0x00,0x20 };
+ CipherSuite      TLS_KRB5_WITH_IDEA_CBC_SHA           = { 0x00,0x21 };
+ CipherSuite      TLS_KRB5_WITH_DES_CBC_MD5            = { 0x00,0x22 };
+ CipherSuite      TLS_KRB5_WITH_3DES_EDE_CBC_MD5       = { 0x00,0x23 };
+ CipherSuite      TLS_KRB5_WITH_RC4_128_MD5            = { 0x00,0x24 };
+ CipherSuite      TLS_KRB5_WITH_IDEA_CBC_MD5           = { 0x00,0x25 };
+
+ CipherSuite      TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA  = { 0x00,0x26 };
+ CipherSuite      TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA  = { 0x00,0x27 };
+ CipherSuite      TLS_KRB5_EXPORT_WITH_RC4_40_SHA      = { 0x00,0x28 };
+ CipherSuite      TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5  = { 0x00,0x29 };
+ CipherSuite      TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5  = { 0x00,0x2A };
+ CipherSuite      TLS_KRB5_EXPORT_WITH_RC4_40_MD5      = { 0x00,0x2B };
+
+   To establish a Kerberos-based security context, one or more of the
+   above cipher suites must be specified in the client hello message.
+   If the TLS server supports the Kerberos authentication option, the
+   server hello message, sent to the client, will confirm the Kerberos
+   cipher suite selected by the server.  The server's certificate, the
+   client
+
+   CertificateRequest, and the ServerKeyExchange shown in Figure 1 will
+   be omitted since authentication and the establishment of a master
+   secret will be done using the client's Kerberos credentials for the
+   TLS server.  The client's certificate will be omitted for the same
+   reason.  Note that these messages are specified as optional in the
+   TLS protocol; therefore, omitting them is permissible.
+
+   The Kerberos option must be added to the ClientKeyExchange message as
+   shown in Figure 2.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 3]
+
+RFC 2712       Addition of Kerberos Cipher Suites to TLS   October 1999
+
+
+ struct
+ {
+     select (KeyExchangeAlgorithm)
+     {
+         case krb5:            KerberosWrapper;       /* new addition */
+         case rsa:             EncryptedPreMasterSecret;
+         case diffie_hellman:  ClientDiffieHellmanPublic;
+     } Exchange_keys;
+
+ } ClientKeyExchange;
+
+ struct
+ {
+     opaque Ticket;
+     opaque authenticator;            /* optional */
+     opaque EncryptedPreMasterSecret; /* encrypted with the session key
+                                         which is sealed in the ticket */
+ } KerberosWrapper;                   /* new addition */
+
+         FIGURE 2: The Kerberos option in the ClientKeyExchange.
+
+   To use the Kerberos authentication option, the TLS client must obtain
+   a service ticket for the TLS server.  In TLS, the ClientKeyExchange
+   message is used to pass a random 48-byte pre-master secret to the
+   server.
+
+   The client and server then use the pre-master secret to independently
+   derive the master secret, which in turn is used for generating
+   session keys and for MAC computations.  Thus, if the Kerberos option
+   is selected, the pre-master secret structure is the same as that used
+   in the RSA case; it is encrypted under the Kerberos session key and
+   sent to the TLS server along with the Kerberos credentials (see
+   Figure 2).  The ticket and authenticator are encoded per RFC 1510
+   (ASN.1 encoding).  Once the ClientKeyExchange message is received,
+   the server's secret key is used to unwrap the credentials and extract
+   the pre-master secret.
+
+   Note that a Kerberos authenticator is not required, since the master
+   secret derived by the client and server is seeded with a random value
+   passed in the server hello message, thus foiling replay attacks.
+   However, the authenticator may still prove useful for passing
+   authorization information and is thus allotted an optional field (see
+   Figure 2).
+
+   Lastly, the client and server exchange the finished messages to
+   complete the handshake.  At this point we have achieved the
+   following:
+
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 4]
+
+RFC 2712       Addition of Kerberos Cipher Suites to TLS   October 1999
+
+
+   1) A master secret, used to protect all subsequent communication, is
+      securely established.
+
+   2) Mutual client-server authentication is achieved, since the TLS
+      server proves knowledge of the master secret in the finished
+      message.
+
+   Note that the Kerberos option fits in seamlessly, without adding any
+   new messages.
+
+4. Naming Conventions:
+
+   To obtain an appropriate service ticket, the TLS client must
+   determine the principal name of the TLS server.  The Kerberos service
+   naming convention is used for this purpose, as follows:
+
+     host/MachineName@Realm
+      where:
+        - The literal, "host", follows the Kerberos convention when not
+          concerned about the protection domain on a particular machine.
+        - "MachineName" is the particular instance of the service.
+        - The Kerberos "Realm" is the domain name of the machine.
+
+5. Summary
+
+   The proposed Kerberos authentication option is added in exactly the
+   same manner as a new public key algorithm would be added to TLS.
+   Furthermore, it establishes the master secret in exactly the same
+   manner.
+
+6. Security Considerations
+
+   Kerberos ciphersuites are subject to the same security considerations
+   as the TLS protocol.  In addition, just as a public key
+   implementation must take care to protect the private key (for example
+   the PIN for a smartcard), a Kerberos implementation must take care to
+   protect the long lived secret that is shared between the principal
+   and the KDC.  In particular, a weak password may be subject to a
+   dictionary attack.  In order to strengthen the initial authentication
+   to a KDC, an implementor may choose to utilize secondary
+   authentication via a token card, or one may utilize initial
+   authentication to the KDC based on public key cryptography (commonly
+   known as PKINIT - a product of the Common Authentication Technology
+   working group of the IETF).
+
+
+
+
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 5]
+
+RFC 2712       Addition of Kerberos Cipher Suites to TLS   October 1999
+
+
+7. Acknowledgements
+
+   We would like to thank Clifford Neuman for his invaluable comments on
+   earlier versions of this document.
+
+8. References
+
+   [1] Dierks, T. and C. Allen, "The TLS Protocol, Version 1.0", RFC
+       2246, January 1999.
+
+   [2] Kohl J. and C. Neuman, "The Kerberos Network Authentication
+       Service (V5)", RFC 1510, September 1993.
+
+9. Authors' Addresses
+
+   Ari Medvinsky
+   Excite
+   555 Broadway
+   Redwood City, CA 94063
+
+   Phone: +1 650 569 2119
+   EMail: amedvins@excitecorp.com
+   http://www.excite.com
+
+
+   Matthew Hur
+   CyberSafe Corporation
+   1605 NW Sammamish Road
+   Issaquah WA 98027-5378
+
+   Phone: +1 425 391 6000
+   EMail: matt.hur@cybersafe.com
+   http://www.cybersafe.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 6]
+
+RFC 2712       Addition of Kerberos Cipher Suites to TLS   October 1999
+
+
+10. Full Copyright Statement
+
+   Copyright (C) The Internet Society (1999).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Medvinsky & Hur             Standards Track                     [Page 7]
+
diff --git a/standards/rfc2817.txt b/standards/rfc2817.txt
new file mode 100644
index 000000000..d7b7e703b
--- /dev/null
+++ b/standards/rfc2817.txt
@@ -0,0 +1,731 @@
+
+
+
+
+
+
+Network Working Group                                           R. Khare
+Request for Comments: 2817                     4K Associates / UC Irvine
+Updates: 2616                                                S. Lawrence
+Category: Standards Track                          Agranat Systems, Inc.
+                                                                May 2000
+
+
+                    Upgrading to TLS Within HTTP/1.1
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+Abstract
+
+   This memo explains how to use the Upgrade mechanism in HTTP/1.1 to
+   initiate Transport Layer Security (TLS) over an existing TCP
+   connection. This allows unsecured and secured HTTP traffic to share
+   the same well known port (in this case, http: at 80 rather than
+   https: at 443). It also enables "virtual hosting", so a single HTTP +
+   TLS server can disambiguate traffic intended for several hostnames at
+   a single IP address.
+
+   Since HTTP/1.1 [1] defines Upgrade as a hop-by-hop mechanism, this
+   memo also documents the HTTP CONNECT method for establishing end-to-
+   end tunnels across HTTP proxies. Finally, this memo establishes new
+   IANA registries for public HTTP status codes, as well as public or
+   private Upgrade product tokens.
+
+   This memo does NOT affect the current definition of the 'https' URI
+   scheme, which already defines a separate namespace
+   (http://example.org/ and https://example.org/ are not equivalent).
+
+
+
+
+
+
+
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 1]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+Table of Contents
+
+   1.  Motivation . . . . . . . . . . . . . . . . . . . . . . . . . .  2
+   2.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
+   2.1 Requirements Terminology . . . . . . . . . . . . . . . . . . .  4
+   3.  Client Requested Upgrade to HTTP over TLS  . . . . . . . . . .  4
+   3.1 Optional Upgrade . . . . . . . . . . . . . . . . . . . . . . .  4
+   3.2 Mandatory Upgrade  . . . . . . . . . . . . . . . . . . . . . .  4
+   3.3 Server Acceptance of Upgrade Request . . . . . . . . . . . . .  4
+   4.  Server Requested Upgrade to HTTP over TLS  . . . . . . . . . .  5
+   4.1 Optional Advertisement . . . . . . . . . . . . . . . . . . . .  5
+   4.2 Mandatory Advertisement  . . . . . . . . . . . . . . . . . . .  5
+   5.  Upgrade across Proxies . . . . . . . . . . . . . . . . . . . .  6
+   5.1 Implications of Hop By Hop Upgrade . . . . . . . . . . . . . .  6
+   5.2 Requesting a Tunnel with CONNECT . . . . . . . . . . . . . . .  6
+   5.3 Establishing a Tunnel with CONNECT . . . . . . . . . . . . . .  7
+   6.  Rationale for the use of a 4xx (client error) Status Code  . .  7
+   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  8
+   7.1 HTTP Status Code Registry  . . . . . . . . . . . . . . . . . .  8
+   7.2 HTTP Upgrade Token Registry  . . . . . . . . . . . . . . . . .  8
+   8.  Security Considerations  . . . . . . . . . . . . . . . . . . .  9
+   8.1 Implications for the https: URI Scheme . . . . . . . . . . . . 10
+   8.2 Security Considerations for CONNECT  . . . . . . . . . . . . . 10
+       References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
+       Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 11
+   A.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 12
+       Full Copyright Statement . . . . . . . . . . . . . . . . . . . 13
+
+1. Motivation
+
+   The historical practice of deploying HTTP over SSL3 [3] has
+   distinguished the combination from HTTP alone by a unique URI scheme
+   and the TCP port number. The scheme 'http' meant the HTTP protocol
+   alone on port 80, while 'https' meant the HTTP protocol over SSL on
+   port 443.  Parallel well-known port numbers have similarly been
+   requested -- and in some cases, granted -- to distinguish between
+   secured and unsecured use of other application protocols (e.g.
+   snews, ftps). This approach effectively halves the number of
+   available well known ports.
+
+   At the Washington DC IETF meeting in December 1997, the Applications
+   Area Directors and the IESG reaffirmed that the practice of issuing
+   parallel "secure" port numbers should be deprecated. The HTTP/1.1
+   Upgrade mechanism can apply Transport Layer Security [6] to an open
+   HTTP connection.
+
+
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 2]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+   In the nearly two years since, there has been broad acceptance of the
+   concept behind this proposal, but little interest in implementing
+   alternatives to port 443 for generic Web browsing. In fact, nothing
+   in this memo affects the current interpretation of https: URIs.
+   However, new application protocols built atop HTTP, such as the
+   Internet Printing Protocol [7], call for just such a mechanism in
+   order to move ahead in the IETF standards process.
+
+   The Upgrade mechanism also solves the "virtual hosting" problem.
+   Rather than allocating multiple IP addresses to a single host, an
+   HTTP/1.1 server will use the Host: header to disambiguate the
+   intended web service. As HTTP/1.1 usage has grown more prevalent,
+   more ISPs are offering name-based virtual hosting, thus delaying IP
+   address space exhaustion.
+
+   TLS (and SSL) have been hobbled by the same limitation as earlier
+   versions of HTTP: the initial handshake does not specify the intended
+   hostname, relying exclusively on the IP address. Using a cleartext
+   HTTP/1.1 Upgrade: preamble to the TLS handshake -- choosing the
+   certificates based on the initial Host: header -- will allow ISPs to
+   provide secure name-based virtual hosting as well.
+
+2. Introduction
+
+   TLS, a.k.a., SSL (Secure Sockets Layer), establishes a private end-
+   to-end connection, optionally including strong mutual authentication,
+   using a variety of cryptosystems. Initially, a handshake phase uses
+   three subprotocols to set up a record layer, authenticate endpoints,
+   set parameters, as well as report errors.  Then, there is an ongoing
+   layered record protocol that handles encryption, compression, and
+   reassembly for the remainder of the connection. The latter is
+   intended to be completely transparent. For example, there is no
+   dependency between TLS's record markers and or certificates and
+   HTTP/1.1's chunked encoding or authentication.
+
+   Either the client or server can use the HTTP/1.1 [1] Upgrade
+   mechanism (Section 14.42) to indicate that a TLS-secured connection
+   is desired or necessary. This memo defines the "TLS/1.0" Upgrade
+   token, and a new HTTP Status Code, "426 Upgrade Required".
+
+   Section 3 and Section 4 describe the operation of a directly
+   connected client and server. Intermediate proxies must establish an
+   end-to-end tunnel before applying those operations, as explained in
+   Section 5.
+
+
+
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 3]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+2.1 Requirements Terminology
+
+   Keywords "MUST", "MUST NOT", "REQUIRED", "SHOULD", "SHOULD NOT" and
+   "MAY" that appear in this document are to be interpreted as described
+   in RFC 2119 [11].
+
+3. Client Requested Upgrade to HTTP over TLS
+
+   When the client sends an HTTP/1.1 request with an Upgrade header
+   field containing the token "TLS/1.0", it is requesting the server to
+   complete the current HTTP/1.1 request after switching to TLS/1.0.
+
+3.1 Optional Upgrade
+
+   A client MAY offer to switch to secured operation during any clear
+   HTTP request when an unsecured response would be acceptable:
+
+       GET http://example.bank.com/acct_stat.html?749394889300 HTTP/1.1
+       Host: example.bank.com
+       Upgrade: TLS/1.0
+       Connection: Upgrade
+
+   In this case, the server MAY respond to the clear HTTP operation
+   normally, OR switch to secured operation (as detailed in the next
+   section).
+
+   Note that HTTP/1.1 [1] specifies "the upgrade keyword MUST be
+   supplied within a Connection header field (section 14.10) whenever
+   Upgrade is present in an HTTP/1.1 message".
+
+3.2 Mandatory Upgrade
+
+   If an unsecured response would be unacceptable, a client MUST send an
+   OPTIONS request first to complete the switch to TLS/1.0 (if
+   possible).
+
+       OPTIONS * HTTP/1.1
+       Host: example.bank.com
+       Upgrade: TLS/1.0
+       Connection: Upgrade
+
+3.3 Server Acceptance of Upgrade Request
+
+   As specified in HTTP/1.1 [1], if the server is prepared to initiate
+   the TLS handshake, it MUST send the intermediate "101 Switching
+   Protocol" and MUST include an Upgrade response header specifying the
+   tokens of the protocol stack it is switching to:
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 4]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+       HTTP/1.1 101 Switching Protocols
+       Upgrade: TLS/1.0, HTTP/1.1
+       Connection: Upgrade
+
+   Note that the protocol tokens listed in the Upgrade header of a 101
+   Switching Protocols response specify an ordered 'bottom-up' stack.
+
+   As specified in  HTTP/1.1 [1], Section 10.1.2: "The server will
+   switch protocols to those defined by the response's Upgrade header
+   field immediately after the empty line which terminates the 101
+   response".
+
+   Once the TLS handshake completes successfully, the server MUST
+   continue with the response to the original request. Any TLS handshake
+   failure MUST lead to disconnection, per the TLS error alert
+   specification.
+
+4. Server Requested Upgrade to HTTP over TLS
+
+   The Upgrade response header field advertises possible protocol
+   upgrades a server MAY accept. In conjunction with the "426 Upgrade
+   Required" status code, a server can advertise the exact protocol
+   upgrade(s) that a client MUST accept to complete the request.
+
+4.1 Optional Advertisement
+
+   As specified in HTTP/1.1 [1], the server MAY include an Upgrade
+   header in any response other than 101 or 426 to indicate a
+   willingness to switch to any (combination) of the protocols listed.
+
+4.2 Mandatory Advertisement
+
+   A server MAY indicate that a client request can not be completed
+   without TLS using the "426 Upgrade Required" status code, which MUST
+   include an an Upgrade header field specifying the token of the
+   required TLS version.
+
+       HTTP/1.1 426 Upgrade Required
+       Upgrade: TLS/1.0, HTTP/1.1
+       Connection: Upgrade
+
+   The server SHOULD include a message body in the 426 response which
+   indicates in human readable form the reason for the error and
+   describes any alternative courses which may be available to the user.
+
+   Note that even if a client is willing to use TLS, it must use the
+   operations in Section 3 to proceed; the TLS handshake cannot begin
+   immediately after the 426 response.
+
+
+
+Khare & Lawrence            Standards Track                     [Page 5]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+5. Upgrade across Proxies
+
+   As a hop-by-hop header, Upgrade is negotiated between each pair of
+   HTTP counterparties.  If a User Agent sends a request with an Upgrade
+   header to a proxy, it is requesting a change to the protocol between
+   itself and the proxy, not an end-to-end change.
+
+   Since TLS, in particular, requires end-to-end connectivity to provide
+   authentication and prevent man-in-the-middle attacks, this memo
+   specifies the CONNECT method to establish a tunnel across proxies.
+
+   Once a tunnel is established, any of the operations in Section 3 can
+   be used to establish a TLS connection.
+
+5.1 Implications of Hop By Hop Upgrade
+
+   If an origin server receives an Upgrade header from a proxy and
+   responds with a 101 Switching Protocols response, it is changing the
+   protocol only on the connection between the proxy and itself.
+   Similarly, a proxy might return a 101 response to its client to
+   change the protocol on that connection independently of the protocols
+   it is using to communicate toward the origin server.
+
+   These scenarios also complicate diagnosis of a 426 response.  Since
+   Upgrade is a hop-by-hop header, a proxy that does not recognize 426
+   might remove the accompanying Upgrade header and prevent the client
+   from determining the required protocol switch.  If a client receives
+   a 426 status without an accompanying Upgrade header, it will need to
+   request an end to end tunnel connection as described in Section 5.2
+   and repeat the request in order to obtain the required upgrade
+   information.
+
+   This hop-by-hop definition of Upgrade was a deliberate choice.  It
+   allows for incremental deployment on either side of proxies, and for
+   optimized protocols between cascaded proxies without the knowledge of
+   the parties that are not a part of the change.
+
+5.2 Requesting a Tunnel with CONNECT
+
+   A CONNECT method requests that a proxy establish a tunnel connection
+   on its behalf. The Request-URI portion of the Request-Line is always
+   an 'authority' as defined by URI Generic Syntax [2], which is to say
+   the host name and port number destination of the requested connection
+   separated by a colon:
+
+      CONNECT server.example.com:80 HTTP/1.1
+      Host: server.example.com:80
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 6]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+   Other HTTP mechanisms can be used normally with the CONNECT method --
+   except end-to-end protocol Upgrade requests, of course, since the
+   tunnel must be established first.
+
+   For example, proxy authentication might be used to establish the
+   authority to create a tunnel:
+
+      CONNECT server.example.com:80 HTTP/1.1
+      Host: server.example.com:80
+      Proxy-Authorization: basic aGVsbG86d29ybGQ=
+
+   Like any other pipelined HTTP/1.1 request, data to be tunneled may be
+   sent immediately after the blank line. The usual caveats also apply:
+   data may be discarded if the eventual response is negative, and the
+   connection may be reset with no response if more than one TCP segment
+   is outstanding.
+
+5.3 Establishing a Tunnel with CONNECT
+
+   Any successful (2xx) response to a CONNECT request indicates that the
+   proxy has established a connection to the requested host and port,
+   and has switched to tunneling the current connection to that server
+   connection.
+
+   It may be the case that the proxy itself can only reach the requested
+   origin server through another proxy.  In this case, the first proxy
+   SHOULD make a CONNECT request of that next proxy, requesting a tunnel
+   to the authority.  A proxy MUST NOT respond with any 2xx status code
+   unless it has either a direct or tunnel connection established to the
+   authority.
+
+   An origin server which receives a CONNECT request for itself MAY
+   respond with a 2xx status code to indicate that a connection is
+   established.
+
+   If at any point either one of the peers gets disconnected, any
+   outstanding data that came from that peer will be passed to the other
+   one, and after that also the other connection will be terminated by
+   the proxy. If there is outstanding data to that peer undelivered,
+   that data will be discarded.
+
+6. Rationale for the use of a 4xx (client error) Status Code
+
+   Reliable, interoperable negotiation of Upgrade features requires an
+   unambiguous failure signal. The 426 Upgrade Required status code
+   allows a server to definitively state the precise protocol extensions
+   a given resource must be served with.
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 7]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+   It might at first appear that the response should have been some form
+   of redirection (a 3xx code), by analogy to an old-style redirection
+   to an https: URI.  User agents that do not understand Upgrade:
+   preclude this.
+
+   Suppose that a 3xx code had been assigned for "Upgrade Required"; a
+   user agent that did not recognize it would treat it as 300.  It would
+   then properly look for a "Location" header in the response and
+   attempt to repeat the request at the URL in that header field. Since
+   it did not know to Upgrade to incorporate the TLS layer, it would at
+   best fail again at the new URL.
+
+7. IANA Considerations
+
+   IANA shall create registries for two name spaces, as described in BCP
+   26 [10]:
+
+   o  HTTP Status Codes
+   o  HTTP Upgrade Tokens
+
+7.1 HTTP Status Code Registry
+
+   The HTTP Status Code Registry defines the name space for the Status-
+   Code token in the Status line of an HTTP response.  The initial
+   values for this name space are those specified by:
+
+   1.  Draft Standard for HTTP/1.1 [1]
+   2.  Web Distributed Authoring and Versioning [4] [defines 420-424]
+   3.  WebDAV Advanced Collections [5] (Work in Progress) [defines 425]
+   4.  Section 6 [defines 426]
+
+   Values to be added to this name space SHOULD be subject to review in
+   the form of a standards track document within the IETF Applications
+   Area.  Any such document SHOULD be traceable through statuses of
+   either 'Obsoletes' or 'Updates' to the Draft Standard for
+   HTTP/1.1 [1].
+
+7.2 HTTP Upgrade Token Registry
+
+   The HTTP Upgrade Token Registry defines the name space for product
+   tokens used to identify protocols in the Upgrade HTTP header field.
+   Each registered token should be associated with one or a set of
+   specifications, and with contact information.
+
+   The Draft Standard for HTTP/1.1 [1] specifies that these tokens obey
+   the production for 'product':
+
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 8]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+      product         = token ["/" product-version]
+      product-version = token
+
+   Registrations should be allowed on a First Come First Served basis as
+   described in BCP 26 [10]. These specifications need not be IETF
+   documents or be subject to IESG review, but should obey the following
+   rules:
+
+   1.  A token, once registered, stays registered forever.
+   2.  The registration MUST name a responsible party for the
+       registration.
+   3.  The registration MUST name a point of contact.
+   4.  The registration MAY name the documentation required for the
+       token.
+   5.  The responsible party MAY change the registration at any time.
+       The IANA will keep a record of all such changes, and make them
+       available upon request.
+   6.  The responsible party for the first registration of a "product"
+       token MUST approve later registrations of a "version" token
+       together with that "product" token before they can be registered.
+   7.  If absolutely required, the IESG MAY reassign the responsibility
+       for a token. This will normally only be used in the case when a
+       responsible party cannot be contacted.
+
+   This specification defines the protocol token "TLS/1.0" as the
+   identifier for the protocol specified by The TLS Protocol [6].
+
+   It is NOT required that specifications for upgrade tokens be made
+   publicly available, but the contact information for the registration
+   SHOULD be.
+
+8. Security Considerations
+
+   The potential for a man-in-the-middle attack (deleting the Upgrade
+   header) remains the same as current, mixed http/https practice:
+
+   o  Removing the Upgrade header is similar to rewriting web pages to
+      change https:// links to http:// links.
+   o  The risk is only present if the server is willing to vend such
+      information over both a secure and an insecure channel in the
+      first place.
+   o  If the client knows for a fact that a server is TLS-compliant, it
+      can insist on it by only sending an Upgrade request with a no-op
+      method like OPTIONS.
+   o  Finally, as the https: specification warns, "users should
+      carefully examine the certificate presented by the server to
+      determine if it meets their expectations".
+
+
+
+
+Khare & Lawrence            Standards Track                     [Page 9]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+   Furthermore, for clients that do not explicitly try to invoke TLS,
+   servers can use the Upgrade header in any response other than 101 or
+   426 to advertise TLS compliance. Since TLS compliance should be
+   considered a feature of the server and not the resource at hand, it
+   should be sufficient to send it once, and let clients cache that
+   fact.
+
+8.1 Implications for the https: URI Scheme
+
+   While nothing in this memo affects the definition of the 'https' URI
+   scheme, widespread adoption of this mechanism for HyperText content
+   could use 'http' to identify both secure and non-secure resources.
+
+   The choice of what security characteristics are required on the
+   connection is left to the client and server.  This allows either
+   party to use any information available in making this determination.
+   For example, user agents may rely on user preference settings or
+   information about the security of the network such as 'TLS required
+   on all POST operations not on my local net', or servers may apply
+   resource access rules such as 'the FORM on this page must be served
+   and submitted using TLS'.
+
+8.2 Security Considerations for CONNECT
+
+   A generic TCP tunnel is fraught with security risks. First, such
+   authorization should be limited to a small number of known ports.
+   The Upgrade: mechanism defined here only requires onward tunneling at
+   port 80. Second, since tunneled data is opaque to the proxy, there
+   are additional risks to tunneling to other well-known or reserved
+   ports. A putative HTTP client CONNECTing to port 25 could relay spam
+   via SMTP, for example.
+
+References
+
+   [1]  Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter, L.,
+        Leach, P. and T. Berners-Lee, "Hypertext Transfer Protocol --
+        HTTP/1.1", RFC 2616, June 1999.
+
+   [2]  Berners-Lee, T., Fielding, R. and L. Masinter, "URI Generic
+        Syntax", RFC 2396, August 1998.
+
+   [3]  Rescorla, E., "HTTP Over TLS", RFC 2818, May 2000.
+
+   [4]  Goland, Y., Whitehead, E., Faizi, A., Carter, S. and D. Jensen,
+        "Web Distributed Authoring and Versioning", RFC 2518, February
+        1999.
+
+
+
+
+
+Khare & Lawrence            Standards Track                    [Page 10]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+   [5]  Slein, J., Whitehead, E.J., et al., "WebDAV Advanced Collections
+        Protocol",  Work In Progress.
+
+   [6]  Dierks, T. and C. Allen, "The TLS Protocol", RFC 2246, January
+        1999.
+
+   [7]  Herriot, R., Butler, S., Moore, P. and R. Turner, "Internet
+        Printing Protocol/1.0: Encoding and Transport", RFC 2565, April
+        1999.
+
+   [8]  Luotonen, A., "Tunneling TCP based protocols through Web proxy
+        servers",  Work In Progress.  (Also available in: Luotonen, Ari.
+        Web Proxy Servers, Prentice-Hall, 1997 ISBN:0136806120.)
+
+   [9]  Rose, M., "Writing I-Ds and RFCs using XML", RFC 2629, June
+        1999.
+
+   [10] Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA
+        Considerations Section in RFCs", BCP 26, RFC 2434, October 1998.
+
+   [11] Bradner, S., "Key words for use in RFCs to Indicate Requirement
+        Levels", BCP 14, RFC 2119, March 1997.
+
+Authors' Addresses
+
+   Rohit Khare
+   4K Associates / UC Irvine
+   3207 Palo Verde
+   Irvine, CA  92612
+   US
+
+   Phone: +1 626 806 7574
+   EMail: rohit@4K-associates.com
+   URI:   http://www.4K-associates.com/
+
+
+   Scott Lawrence
+   Agranat Systems, Inc.
+   5 Clocktower Place
+   Suite 400
+   Maynard, MA  01754
+   US
+
+   Phone: +1 978 461 0888
+   EMail: lawrence@agranat.com
+   URI:   http://www.agranat.com/
+
+
+
+
+
+Khare & Lawrence            Standards Track                    [Page 11]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+Appendix A. Acknowledgments
+
+   The CONNECT method was originally described in a Work in Progress
+   titled, "Tunneling TCP based protocols through Web proxy servers",
+   [8] by Ari Luotonen of Netscape Communications Corporation.  It was
+   widely implemented by HTTP proxies, but was never made a part of any
+   IETF Standards Track document. The method name CONNECT was reserved,
+   but not defined in [1].
+
+   The definition provided here is derived directly from that earlier
+   memo, with some editorial changes and conformance to the stylistic
+   conventions since established in other HTTP specifications.
+
+   Additional Thanks to:
+
+   o  Paul Hoffman for his work on the STARTTLS command extension for
+      ESMTP.
+   o  Roy Fielding for assistance with the rationale behind Upgrade:
+      and its interaction with OPTIONS.
+   o  Eric Rescorla for his work on standardizing the existing https:
+      practice to compare with.
+   o  Marshall Rose, for the xml2rfc document type description and tools
+      [9].
+   o  Jim Whitehead, for sorting out the current range of available HTTP
+      status codes.
+   o  Henrik Frystyk Nielsen, whose work on the Mandatory extension
+      mechanism pointed out a hop-by-hop Upgrade still requires
+      tunneling.
+   o  Harald Alvestrand for improvements to the token registration
+      rules.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Khare & Lawrence            Standards Track                    [Page 12]
+
+RFC 2817                  HTTP Upgrade to TLS                   May 2000
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Khare & Lawrence            Standards Track                    [Page 13]
+
diff --git a/standards/rfc2818.txt b/standards/rfc2818.txt
new file mode 100644
index 000000000..219a1c427
--- /dev/null
+++ b/standards/rfc2818.txt
@@ -0,0 +1,395 @@
+
+
+
+
+
+
+Network Working Group                                       E. Rescorla
+Request for Comments: 2818                                   RTFM, Inc.
+Category: Informational                                        May 2000
+
+
+                             HTTP Over TLS
+
+Status of this Memo
+
+   This memo provides information for the Internet community.  It does
+   not specify an Internet standard of any kind.  Distribution of this
+   memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+Abstract
+
+   This memo describes how to use TLS to secure HTTP connections over
+   the Internet. Current practice is to layer HTTP over SSL (the
+   predecessor to TLS), distinguishing secured traffic from insecure
+   traffic by the use of a different server port. This document
+   documents that practice using TLS. A companion document describes a
+   method for using HTTP/TLS over the same port as normal HTTP
+   [RFC2817].
+
+Table of Contents
+
+   1. Introduction  . . . . . . . . . . . . . . . . . . . . . . 2
+   1.1. Requirements Terminology  . . . . . . . . . . . . . . . 2
+   2. HTTP Over TLS . . . . . . . . . . . . . . . . . . . . . . 2
+   2.1. Connection Initiation . . . . . . . . . . . . . . . . . 2
+   2.2. Connection Closure  . . . . . . . . . . . . . . . . . . 2
+   2.2.1. Client Behavior . . . . . . . . . . . . . . . . . . . 3
+   2.2.2. Server Behavior . . . . . . . . . . . . . . . . . . . 3
+   2.3. Port Number . . . . . . . . . . . . . . . . . . . . . . 4
+   2.4. URI Format  . . . . . . . . . . . . . . . . . . . . . . 4
+   3. Endpoint Identification . . . . . . . . . . . . . . . . . 4
+   3.1. Server Identity . . . . . . . . . . . . . . . . . . . . 4
+   3.2. Client Identity . . . . . . . . . . . . . . . . . . . . 5
+   References . . . . . . . . . . . . . . . . . . . . . . . . . 6
+   Security Considerations  . . . . . . . . . . . . . . . . . . 6
+   Author's Address . . . . . . . . . . . . . . . . . . . . . . 6
+   Full Copyright Statement . . . . . . . . . . . . . . . . . . 7
+
+
+
+
+
+
+Rescorla                     Informational                      [Page 1]
+
+RFC 2818                     HTTP Over TLS                      May 2000
+
+
+1.  Introduction
+
+   HTTP [RFC2616] was originally used in the clear on the Internet.
+   However, increased use of HTTP for sensitive applications has
+   required security measures. SSL, and its successor TLS [RFC2246] were
+   designed to provide channel-oriented security. This document
+   describes how to use HTTP over TLS.
+
+1.1.  Requirements Terminology
+
+   Keywords "MUST", "MUST NOT", "REQUIRED", "SHOULD", "SHOULD NOT" and
+   "MAY" that appear in this document are to be interpreted as described
+   in [RFC2119].
+
+2.  HTTP Over TLS
+
+   Conceptually, HTTP/TLS is very simple. Simply use HTTP over TLS
+   precisely as you would use HTTP over TCP.
+
+2.1.  Connection Initiation
+
+   The agent acting as the HTTP client should also act as the TLS
+   client.  It should initiate a connection to the server on the
+   appropriate port and then send the TLS ClientHello to begin the TLS
+   handshake. When the TLS handshake has finished. The client may then
+   initiate the first HTTP request.  All HTTP data MUST be sent as TLS
+   "application data".  Normal HTTP behavior, including retained
+   connections should be followed.
+
+2.2.  Connection Closure
+
+   TLS provides a facility for secure connection closure. When a valid
+   closure alert is received, an implementation can be assured that no
+   further data will be received on that connection.  TLS
+   implementations MUST initiate an exchange of closure alerts before
+   closing a connection. A TLS implementation MAY, after sending a
+   closure alert, close the connection without waiting for the peer to
+   send its closure alert, generating an "incomplete close".  Note that
+   an implementation which does this MAY choose to reuse the session.
+   This SHOULD only be done when the application knows (typically
+   through detecting HTTP message boundaries) that it has received all
+   the message data that it cares about.
+
+   As specified in [RFC2246], any implementation which receives a
+   connection close without first receiving a valid closure alert (a
+   "premature close") MUST NOT reuse that session.  Note that a
+   premature close does not call into question the security of the data
+   already received, but simply indicates that subsequent data might
+
+
+
+Rescorla                     Informational                      [Page 2]
+
+RFC 2818                     HTTP Over TLS                      May 2000
+
+
+   have been truncated. Because TLS is oblivious to HTTP
+   request/response boundaries, it is necessary to examine the HTTP data
+   itself (specifically the Content-Length header) to determine whether
+   the truncation occurred inside a message or between messages.
+
+2.2.1.  Client Behavior
+
+   Because HTTP uses connection closure to signal end of server data,
+   client implementations MUST treat any premature closes as errors and
+   the data received as potentially truncated.  While in some cases the
+   HTTP protocol allows the client to find out whether truncation took
+   place so that, if it received the complete reply, it may tolerate
+   such errors following the principle to "[be] strict when sending and
+   tolerant when receiving" [RFC1958], often truncation does not show in
+   the HTTP protocol data; two cases in particular deserve special note:
+
+     A HTTP response without a Content-Length header. Since data length
+     in this situation is signalled by connection close a premature
+     close generated by the server cannot be distinguished from a
+     spurious close generated by an attacker.
+
+     A HTTP response with a valid Content-Length header closed before
+     all data has been read. Because TLS does not provide document
+     oriented protection, it is impossible to determine whether the
+     server has miscomputed the Content-Length or an attacker has
+     truncated the connection.
+
+   There is one exception to the above rule. When encountering a
+   premature close, a client SHOULD treat as completed all requests for
+   which it has received as much data as specified in the Content-Length
+   header.
+
+   A client detecting an incomplete close SHOULD recover gracefully.  It
+   MAY resume a TLS session closed in this fashion.
+
+   Clients MUST send a closure alert before closing the connection.
+   Clients which are unprepared to receive any more data MAY choose not
+   to wait for the server's closure alert and simply close the
+   connection, thus generating an incomplete close on the server side.
+
+2.2.2.  Server Behavior
+
+   RFC 2616 permits an HTTP client to close the connection at any time,
+   and requires servers to recover gracefully.  In particular, servers
+   SHOULD be prepared to receive an incomplete close from the client,
+   since the client can often determine when the end of server data is.
+   Servers SHOULD be willing to resume TLS sessions closed in this
+   fashion.
+
+
+
+Rescorla                     Informational                      [Page 3]
+
+RFC 2818                     HTTP Over TLS                      May 2000
+
+
+   Implementation note: In HTTP implementations which do not use
+   persistent connections, the server ordinarily expects to be able to
+   signal end of data by closing the connection. When Content-Length is
+   used, however, the client may have already sent the closure alert and
+   dropped the connection.
+
+   Servers MUST attempt to initiate an exchange of closure alerts with
+   the client before closing the connection. Servers MAY close the
+   connection after sending the closure alert, thus generating an
+   incomplete close on the client side.
+
+2.3.  Port Number
+
+   The first data that an HTTP server expects to receive from the client
+   is the Request-Line production. The first data that a TLS server (and
+   hence an HTTP/TLS server) expects to receive is the ClientHello.
+   Consequently, common practice has been to run HTTP/TLS over a
+   separate port in order to distinguish which protocol is being used.
+   When HTTP/TLS is being run over a TCP/IP connection, the default port
+   is 443. This does not preclude HTTP/TLS from being run over another
+   transport. TLS only presumes a reliable connection-oriented data
+   stream.
+
+2.4.  URI Format
+
+   HTTP/TLS is differentiated from HTTP URIs by using the 'https'
+   protocol identifier in place of the 'http' protocol identifier. An
+   example URI specifying HTTP/TLS is:
+
+     https://www.example.com/~smith/home.html
+
+3.  Endpoint Identification
+
+3.1.  Server Identity
+
+   In general, HTTP/TLS requests are generated by dereferencing a URI.
+   As a consequence, the hostname for the server is known to the client.
+   If the hostname is available, the client MUST check it against the
+   server's identity as presented in the server's Certificate message,
+   in order to prevent man-in-the-middle attacks.
+
+   If the client has external information as to the expected identity of
+   the server, the hostname check MAY be omitted. (For instance, a
+   client may be connecting to a machine whose address and hostname are
+   dynamic but the client knows the certificate that the server will
+   present.) In such cases, it is important to narrow the scope of
+   acceptable certificates as much as possible in order to prevent man
+
+
+
+
+Rescorla                     Informational                      [Page 4]
+
+RFC 2818                     HTTP Over TLS                      May 2000
+
+
+   in the middle attacks.  In special cases, it may be appropriate for
+   the client to simply ignore the server's identity, but it must be
+   understood that this leaves the connection open to active attack.
+
+   If a subjectAltName extension of type dNSName is present, that MUST
+   be used as the identity. Otherwise, the (most specific) Common Name
+   field in the Subject field of the certificate MUST be used. Although
+   the use of the Common Name is existing practice, it is deprecated and
+   Certification Authorities are encouraged to use the dNSName instead.
+
+   Matching is performed using the matching rules specified by
+   [RFC2459].  If more than one identity of a given type is present in
+   the certificate (e.g., more than one dNSName name, a match in any one
+   of the set is considered acceptable.) Names may contain the wildcard
+   character * which is considered to match any single domain name
+   component or component fragment. E.g., *.a.com matches foo.a.com but
+   not bar.foo.a.com. f*.com matches foo.com but not bar.com.
+
+   In some cases, the URI is specified as an IP address rather than a
+   hostname. In this case, the iPAddress subjectAltName must be present
+   in the certificate and must exactly match the IP in the URI.
+
+   If the hostname does not match the identity in the certificate, user
+   oriented clients MUST either notify the user (clients MAY give the
+   user the opportunity to continue with the connection in any case) or
+   terminate the connection with a bad certificate error. Automated
+   clients MUST log the error to an appropriate audit log (if available)
+   and SHOULD terminate the connection (with a bad certificate error).
+   Automated clients MAY provide a configuration setting that disables
+   this check, but MUST provide a setting which enables it.
+
+   Note that in many cases the URI itself comes from an untrusted
+   source. The above-described check provides no protection against
+   attacks where this source is compromised. For example, if the URI was
+   obtained by clicking on an HTML page which was itself obtained
+   without using HTTP/TLS, a man in the middle could have replaced the
+   URI.  In order to prevent this form of attack, users should carefully
+   examine the certificate presented by the server to determine if it
+   meets their expectations.
+
+3.2.  Client Identity
+
+   Typically, the server has no external knowledge of what the client's
+   identity ought to be and so checks (other than that the client has a
+   certificate chain rooted in an appropriate CA) are not possible. If a
+   server has such knowledge (typically from some source external to
+   HTTP or TLS) it SHOULD check the identity as described above.
+
+
+
+
+Rescorla                     Informational                      [Page 5]
+
+RFC 2818                     HTTP Over TLS                      May 2000
+
+
+References
+
+   [RFC2459] Housley, R., Ford, W., Polk, W. and D. Solo, "Internet
+             Public Key Infrastructure: Part I: X.509 Certificate and
+             CRL Profile", RFC 2459, January 1999.
+
+   [RFC2616] Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter,
+             L., Leach, P. and T. Berners-Lee, "Hypertext Transfer
+             Protocol, HTTP/1.1", RFC 2616, June 1999.
+
+   [RFC2119] Bradner, S., "Key Words for use in RFCs to indicate
+             Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2246] Dierks, T. and C. Allen, "The TLS Protocol", RFC 2246,
+             January 1999.
+
+   [RFC2817] Khare, R. and S. Lawrence, "Upgrading to TLS Within
+             HTTP/1.1", RFC 2817, May 2000.
+
+Security Considerations
+
+   This entire document is about security.
+
+Author's Address
+
+   Eric Rescorla
+   RTFM, Inc.
+   30 Newell Road, #16
+   East Palo Alto, CA 94303
+
+   Phone: (650) 328-8631
+   EMail: ekr@rtfm.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Rescorla                     Informational                      [Page 6]
+
+RFC 2818                     HTTP Over TLS                      May 2000
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Rescorla                     Informational                      [Page 7]
+
diff --git a/standards/rfc2821.txt b/standards/rfc2821.txt
new file mode 100644
index 000000000..0eac91188
--- /dev/null
+++ b/standards/rfc2821.txt
@@ -0,0 +1,4427 @@
+
+
+
+
+
+
+Network Working Group                                 J. Klensin, Editor
+Request for Comments: 2821                             AT&T Laboratories
+Obsoletes: 821, 974, 1869                                     April 2001
+Updates: 1123
+Category: Standards Track
+
+
+                     Simple Mail Transfer Protocol
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (2001).  All Rights Reserved.
+
+Abstract
+
+   This document is a self-contained specification of the basic protocol
+   for the Internet electronic mail transport.  It consolidates, updates
+   and clarifies, but doesn't add new or change existing functionality
+   of the following:
+
+   -  the original SMTP (Simple Mail Transfer Protocol) specification of
+      RFC 821 [30],
+
+   -  domain name system requirements and implications for mail
+      transport from RFC 1035 [22] and RFC 974 [27],
+
+   -  the clarifications and applicability statements in RFC 1123 [2],
+      and
+
+   -  material drawn from the SMTP Extension mechanisms [19].
+
+   It obsoletes RFC 821, RFC 974, and updates RFC 1123 (replaces the
+   mail transport materials of RFC 1123).  However, RFC 821 specifies
+   some features that were not in significant use in the Internet by the
+   mid-1990s and (in appendices) some additional transport models.
+   Those sections are omitted here in the interest of clarity and
+   brevity; readers needing them should refer to RFC 821.
+
+
+
+
+
+
+Klensin                     Standards Track                     [Page 1]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   It also includes some additional material from RFC 1123 that required
+   amplification.  This material has been identified in multiple ways,
+   mostly by tracking flaming on various lists and newsgroups and
+   problems of unusual readings or interpretations that have appeared as
+   the SMTP extensions have been deployed.  Where this specification
+   moves beyond consolidation and actually differs from earlier
+   documents, it supersedes them technically as well as textually.
+
+   Although SMTP was designed as a mail transport and delivery protocol,
+   this specification also contains information that is important to its
+   use as a 'mail submission' protocol, as recommended for POP [3, 26]
+   and IMAP [6].  Additional submission issues are discussed in RFC 2476
+   [15].
+
+   Section 2.3 provides definitions of terms specific to this document.
+   Except when the historical terminology is necessary for clarity, this
+   document uses the current 'client' and 'server' terminology to
+   identify the sending and receiving SMTP processes, respectively.
+
+   A companion document [32] discusses message headers, message bodies
+   and formats and structures for them, and their relationship.
+
+Table of Contents
+
+   1. Introduction ..................................................  4
+   2. The SMTP Model ................................................  5
+   2.1 Basic Structure ..............................................  5
+   2.2 The Extension Model ..........................................  7
+   2.2.1 Background .................................................  7
+   2.2.2 Definition and Registration of Extensions ..................  8
+   2.3 Terminology ..................................................  9
+   2.3.1 Mail Objects ............................................... 10
+   2.3.2 Senders and Receivers ...................................... 10
+   2.3.3 Mail Agents and Message Stores ............................. 10
+   2.3.4 Host ....................................................... 11
+   2.3.5 Domain ..................................................... 11
+   2.3.6 Buffer and State Table ..................................... 11
+   2.3.7 Lines ...................................................... 12
+   2.3.8 Originator, Delivery, Relay, and Gateway Systems ........... 12
+   2.3.9 Message Content and Mail Data .............................. 13
+   2.3.10 Mailbox and Address ....................................... 13
+   2.3.11 Reply ..................................................... 13
+   2.4 General Syntax Principles and Transaction Model .............. 13
+   3. The SMTP Procedures: An Overview .............................. 15
+   3.1 Session Initiation ........................................... 15
+   3.2 Client Initiation ............................................ 16
+   3.3 Mail Transactions ............................................ 16
+   3.4 Forwarding for Address Correction or Updating ................ 19
+
+
+
+Klensin                     Standards Track                     [Page 2]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   3.5 Commands for Debugging Addresses ............................. 20
+   3.5.1 Overview ................................................... 20
+   3.5.2 VRFY Normal Response ....................................... 22
+   3.5.3 Meaning of VRFY or EXPN Success Response ................... 22
+   3.5.4 Semantics and Applications of EXPN ......................... 23
+   3.6 Domains ...................................................... 23
+   3.7 Relaying ..................................................... 24
+   3.8 Mail Gatewaying .............................................. 25
+   3.8.1 Header Fields in Gatewaying ................................ 26
+   3.8.2 Received Lines in Gatewaying ............................... 26
+   3.8.3 Addresses in Gatewaying .................................... 26
+   3.8.4 Other Header Fields in Gatewaying .......................... 27
+   3.8.5 Envelopes in Gatewaying .................................... 27
+   3.9 Terminating Sessions and Connections ......................... 27
+   3.10 Mailing Lists and Aliases ................................... 28
+   3.10.1 Alias ..................................................... 28
+   3.10.2 List ...................................................... 28
+   4. The SMTP Specifications ....................................... 29
+   4.1 SMTP Commands ................................................ 29
+   4.1.1 Command Semantics and Syntax ............................... 29
+   4.1.1.1  Extended HELLO (EHLO) or HELLO (HELO) ................... 29
+   4.1.1.2 MAIL (MAIL) .............................................. 31
+   4.1.1.3 RECIPIENT (RCPT) ......................................... 31
+   4.1.1.4 DATA (DATA) .............................................. 33
+   4.1.1.5 RESET (RSET) ............................................. 34
+   4.1.1.6 VERIFY (VRFY) ............................................ 35
+   4.1.1.7 EXPAND (EXPN) ............................................ 35
+   4.1.1.8 HELP (HELP) .............................................. 35
+   4.1.1.9 NOOP (NOOP) .............................................. 35
+   4.1.1.10 QUIT (QUIT) ............................................. 36
+   4.1.2 Command Argument Syntax .................................... 36
+   4.1.3 Address Literals ........................................... 38
+   4.1.4 Order of Commands .......................................... 39
+   4.1.5 Private-use Commands ....................................... 40
+   4.2  SMTP Replies ................................................ 40
+   4.2.1 Reply Code Severities and Theory ........................... 42
+   4.2.2 Reply Codes by Function Groups ............................. 44
+   4.2.3  Reply Codes in Numeric Order .............................. 45
+   4.2.4 Reply Code 502 ............................................. 46
+   4.2.5 Reply Codes After DATA and the Subsequent <CRLF>.<CRLF> .... 46
+   4.3 Sequencing of Commands and Replies ........................... 47
+   4.3.1 Sequencing Overview ........................................ 47
+   4.3.2 Command-Reply Sequences .................................... 48
+   4.4 Trace Information ............................................ 49
+   4.5 Additional Implementation Issues ............................. 53
+   4.5.1 Minimum Implementation ..................................... 53
+   4.5.2 Transparency ............................................... 53
+   4.5.3 Sizes and Timeouts ......................................... 54
+
+
+
+Klensin                     Standards Track                     [Page 3]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   4.5.3.1 Size limits and minimums ................................. 54
+   4.5.3.2 Timeouts ................................................. 56
+   4.5.4 Retry Strategies ........................................... 57
+   4.5.4.1 Sending Strategy ......................................... 58
+   4.5.4.2 Receiving Strategy ....................................... 59
+   4.5.5 Messages with a null reverse-path .......................... 59
+   5. Address Resolution and Mail Handling .......................... 60
+   6. Problem Detection and Handling ................................ 62
+   6.1 Reliable Delivery and Replies by Email ....................... 62
+   6.2 Loop Detection ............................................... 63
+   6.3 Compensating for Irregularities .............................. 63
+   7. Security Considerations ....................................... 64
+   7.1 Mail Security and Spoofing ................................... 64
+   7.2 "Blind" Copies ............................................... 65
+   7.3 VRFY, EXPN, and Security ..................................... 65
+   7.4 Information Disclosure in Announcements ...................... 66
+   7.5 Information Disclosure in Trace Fields ....................... 66
+   7.6 Information Disclosure in Message Forwarding ................. 67
+   7.7 Scope of Operation of SMTP Servers ........................... 67
+   8. IANA Considerations ........................................... 67
+   9. References .................................................... 68
+   10. Editor's Address ............................................. 70
+   11. Acknowledgments .............................................. 70
+   Appendices ....................................................... 71
+   A. TCP Transport Service ......................................... 71
+   B. Generating SMTP Commands from RFC 822 Headers ................. 71
+   C. Source Routes ................................................. 72
+   D. Scenarios ..................................................... 73
+   E. Other Gateway Issues .......................................... 76
+   F. Deprecated Features of RFC 821 ................................ 76
+   Full Copyright Statement ......................................... 79
+
+1. Introduction
+
+   The objective of the Simple Mail Transfer Protocol (SMTP) is to
+   transfer mail reliably and efficiently.
+
+   SMTP is independent of the particular transmission subsystem and
+   requires only a reliable ordered data stream channel.  While this
+   document specifically discusses transport over TCP, other transports
+   are possible.  Appendices to RFC 821 describe some of them.
+
+   An important feature of SMTP is its capability to transport mail
+   across networks, usually referred to as "SMTP mail relaying" (see
+   section 3.8).  A network consists of the mutually-TCP-accessible
+   hosts on the public Internet, the mutually-TCP-accessible hosts on a
+   firewall-isolated TCP/IP Intranet, or hosts in some other LAN or WAN
+   environment utilizing a non-TCP transport-level protocol.  Using
+
+
+
+Klensin                     Standards Track                     [Page 4]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   SMTP, a process can transfer mail to another process on the same
+   network or to some other network via a relay or gateway process
+   accessible to both networks.
+
+   In this way, a mail message may pass through a number of intermediate
+   relay or gateway hosts on its path from sender to ultimate recipient.
+   The Mail eXchanger mechanisms of the domain name system [22, 27] (and
+   section 5 of this document) are used to identify the appropriate
+   next-hop destination for a message being transported.
+
+2. The SMTP Model
+
+2.1 Basic Structure
+
+   The SMTP design can be pictured as:
+
+               +----------+                +----------+
+   +------+    |          |                |          |
+   | User |<-->|          |      SMTP      |          |
+   +------+    |  Client- |Commands/Replies| Server-  |
+   +------+    |   SMTP   |<-------------->|    SMTP  |    +------+
+   | File |<-->|          |    and Mail    |          |<-->| File |
+   |System|    |          |                |          |    |System|
+   +------+    +----------+                +----------+    +------+
+                SMTP client                SMTP server
+
+   When an SMTP client has a message to transmit, it establishes a two-
+   way transmission channel to an SMTP server.  The responsibility of an
+   SMTP client is to transfer mail messages to one or more SMTP servers,
+   or report its failure to do so.
+
+   The means by which a mail message is presented to an SMTP client, and
+   how that client determines the domain name(s) to which mail messages
+   are to be transferred is a local matter, and is not addressed by this
+   document.  In some cases, the domain name(s) transferred to, or
+   determined by, an SMTP client will identify the final destination(s)
+   of the mail message.  In other cases, common with SMTP clients
+   associated with implementations of the POP [3, 26] or IMAP [6]
+   protocols, or when the SMTP client is inside an isolated transport
+   service environment, the domain name determined will identify an
+   intermediate destination through which all mail messages are to be
+   relayed.  SMTP clients that transfer all traffic, regardless of the
+   target domain names associated with the individual messages, or that
+   do not maintain queues for retrying message transmissions that
+   initially cannot be completed, may otherwise conform to this
+   specification but are not considered fully-capable.  Fully-capable
+   SMTP implementations, including the relays used by these less capable
+
+
+
+
+Klensin                     Standards Track                     [Page 5]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   ones, and their destinations, are expected to support all of the
+   queuing, retrying, and alternate address functions discussed in this
+   specification.
+
+   The means by which an SMTP client, once it has determined a target
+   domain name, determines the identity of an SMTP server to which a
+   copy of a message is to be transferred, and then performs that
+   transfer, is covered by this document.  To effect a mail transfer to
+   an SMTP server, an SMTP client establishes a two-way transmission
+   channel to that SMTP server.  An SMTP client determines the address
+   of an appropriate host running an SMTP server by resolving a
+   destination domain name to either an intermediate Mail eXchanger host
+   or a final target host.
+
+   An SMTP server may be either the ultimate destination or an
+   intermediate "relay" (that is, it may assume the role of an SMTP
+   client after receiving the message) or "gateway" (that is, it may
+   transport the message further using some protocol other than SMTP).
+   SMTP commands are generated by the SMTP client and sent to the SMTP
+   server.  SMTP replies are sent from the SMTP server to the SMTP
+   client in response to the commands.
+
+   In other words, message transfer can occur in a single connection
+   between the original SMTP-sender and the final SMTP-recipient, or can
+   occur in a series of hops through intermediary systems.  In either
+   case, a formal handoff of responsibility for the message occurs: the
+   protocol requires that a server accept responsibility for either
+   delivering a message or properly reporting the failure to do so.
+
+   Once the transmission channel is established and initial handshaking
+   completed, the SMTP client normally initiates a mail transaction.
+   Such a transaction consists of a series of commands to specify the
+   originator and destination of the mail and transmission of the
+   message content (including any headers or other structure) itself.
+   When the same message is sent to multiple recipients, this protocol
+   encourages the transmission of only one copy of the data for all
+   recipients at the same destination (or intermediate relay) host.
+
+   The server responds to each command with a reply; replies may
+   indicate that the command was accepted, that additional commands are
+   expected, or that a temporary or permanent error condition exists.
+   Commands specifying the sender or recipients may include server-
+   permitted SMTP service extension requests as discussed in section
+   2.2.  The dialog is purposely lock-step, one-at-a-time, although this
+   can be modified by mutually-agreed extension requests such as command
+   pipelining [13].
+
+
+
+
+
+Klensin                     Standards Track                     [Page 6]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   Once a given mail message has been transmitted, the client may either
+   request that the connection be shut down or may initiate other mail
+   transactions.  In addition, an SMTP client may use a connection to an
+   SMTP server for ancillary services such as verification of email
+   addresses or retrieval of mailing list subscriber addresses.
+
+   As suggested above, this protocol provides mechanisms for the
+   transmission of mail.  This transmission normally occurs directly
+   from the sending user's host to the receiving user's host when the
+   two hosts are connected to the same transport service.  When they are
+   not connected to the same transport service, transmission occurs via
+   one or more relay SMTP servers.  An intermediate host that acts as
+   either an SMTP relay or as a gateway into some other transmission
+   environment is usually selected through the use of the domain name
+   service (DNS) Mail eXchanger mechanism.
+
+   Usually, intermediate hosts are determined via the DNS MX record, not
+   by explicit "source" routing (see section 5 and appendices C and
+   F.2).
+
+2.2 The Extension Model
+
+2.2.1 Background
+
+   In an effort that started in 1990, approximately a decade after RFC
+   821 was completed, the protocol was modified with a "service
+   extensions" model that permits the client and server to agree to
+   utilize shared functionality beyond the original SMTP requirements.
+   The SMTP extension mechanism defines a means whereby an extended SMTP
+   client and server may recognize each other, and the server can inform
+   the client as to the service extensions that it supports.
+
+   Contemporary SMTP implementations MUST support the basic extension
+   mechanisms.  For instance, servers MUST support the EHLO command even
+   if they do not implement any specific extensions and clients SHOULD
+   preferentially utilize EHLO rather than HELO.  (However, for
+   compatibility with older conforming implementations, SMTP clients and
+   servers MUST support the original HELO mechanisms as a fallback.)
+   Unless the different characteristics of HELO must be identified for
+   interoperability purposes, this document discusses only EHLO.
+
+   SMTP is widely deployed and high-quality implementations have proven
+   to be very robust.  However, the Internet community now considers
+   some services to be important that were not anticipated when the
+   protocol was first designed.  If support for those services is to be
+   added, it must be done in a way that permits older implementations to
+   continue working acceptably.  The extension framework consists of:
+
+
+
+
+Klensin                     Standards Track                     [Page 7]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   -  The SMTP command EHLO, superseding the earlier HELO,
+
+   -  a registry of SMTP service extensions,
+
+   -  additional parameters to the SMTP MAIL and RCPT commands, and
+
+   -  optional replacements for commands defined in this protocol, such
+      as for DATA in non-ASCII transmissions [33].
+
+   SMTP's strength comes primarily from its simplicity.  Experience with
+   many protocols has shown that protocols with few options tend towards
+   ubiquity, whereas protocols with many options tend towards obscurity.
+
+   Each and every extension, regardless of its benefits, must be
+   carefully scrutinized with respect to its implementation, deployment,
+   and interoperability costs.  In many cases, the cost of extending the
+   SMTP service will likely outweigh the benefit.
+
+2.2.2 Definition and Registration of Extensions
+
+   The IANA maintains a registry of SMTP service extensions.  A
+   corresponding EHLO keyword value is associated with each extension.
+   Each service extension registered with the IANA must be defined in a
+   formal standards-track or IESG-approved experimental protocol
+   document.  The definition must include:
+
+   -  the textual name of the SMTP service extension;
+
+   -  the EHLO keyword value associated with the extension;
+
+   -  the syntax and possible values of parameters associated with the
+      EHLO keyword value;
+
+   -  any additional SMTP verbs associated with the extension
+      (additional verbs will usually be, but are not required to be, the
+      same as the EHLO keyword value);
+
+   -  any new parameters the extension associates with the MAIL or RCPT
+      verbs;
+
+   -  a description of how support for the extension affects the
+      behavior of a server and client SMTP; and,
+
+   -  the increment by which the extension is increasing the maximum
+      length of the commands MAIL and/or RCPT, over that specified in
+      this standard.
+
+
+
+
+
+Klensin                     Standards Track                     [Page 8]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   In addition, any EHLO keyword value starting with an upper or lower
+   case "X" refers to a local SMTP service extension used exclusively
+   through bilateral agreement.  Keywords beginning with "X" MUST NOT be
+   used in a registered service extension.  Conversely, keyword values
+   presented in the EHLO response that do not begin with "X" MUST
+   correspond to a standard, standards-track, or IESG-approved
+   experimental SMTP service extension registered with IANA.  A
+   conforming server MUST NOT offer non-"X"-prefixed keyword values that
+   are not described in a registered extension.
+
+   Additional verbs and parameter names are bound by the same rules as
+   EHLO keywords; specifically, verbs beginning with "X" are local
+   extensions that may not be registered or standardized.  Conversely,
+   verbs not beginning with "X" must always be registered.
+
+2.3 Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
+   document are to be interpreted as described below.
+
+   1. MUST   This word, or the terms "REQUIRED" or "SHALL", mean that
+      the definition is an absolute requirement of the specification.
+
+   2. MUST NOT   This phrase, or the phrase "SHALL NOT", mean that the
+      definition is an absolute prohibition of the specification.
+
+   3. SHOULD   This word, or the adjective "RECOMMENDED", mean that
+      there may exist valid reasons in particular circumstances to
+      ignore a particular item, but the full implications must be
+      understood and carefully weighed before choosing a different
+      course.
+
+   4. SHOULD NOT   This phrase, or the phrase "NOT RECOMMENDED" mean
+      that there may exist valid reasons in particular circumstances
+      when the particular behavior is acceptable or even useful, but the
+      full implications should be understood and the case carefully
+      weighed before implementing any behavior described with this
+      label.
+
+   5. MAY   This word, or the adjective "OPTIONAL", mean that an item is
+      truly optional.  One vendor may choose to include the item because
+      a particular marketplace requires it or because the vendor feels
+      that it enhances the product while another vendor may omit the
+      same item.  An implementation which does not include a particular
+      option MUST be prepared to interoperate with another
+      implementation which does include the option, though perhaps with
+      reduced functionality.  In the same vein an implementation which
+
+
+
+Klensin                     Standards Track                     [Page 9]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      does include a particular option MUST be prepared to interoperate
+      with another implementation which does not include the option
+      (except, of course, for the feature the option provides.)
+
+2.3.1 Mail Objects
+
+   SMTP transports a mail object.  A mail object contains an envelope
+   and content.
+
+   The SMTP envelope is sent as a series of SMTP protocol units
+   (described in section 3).  It consists of an originator address (to
+   which error reports should be directed); one or more recipient
+   addresses; and optional protocol extension material.  Historically,
+   variations on the recipient address specification command (RCPT TO)
+   could be used to specify alternate delivery modes, such as immediate
+   display; those variations have now been deprecated (see appendix F,
+   section F.6).
+
+   The SMTP content is sent in the SMTP DATA protocol unit and has two
+   parts:  the headers and the body.  If the content conforms to other
+   contemporary standards, the headers form a collection of field/value
+   pairs structured as in the message format specification [32]; the
+   body, if structured, is defined according to MIME [12].  The content
+   is textual in nature, expressed using the US-ASCII repertoire [1].
+   Although SMTP extensions (such as "8BITMIME" [20]) may relax this
+   restriction for the content body, the content headers are always
+   encoded using the US-ASCII repertoire.  A MIME extension [23] defines
+   an algorithm for representing header values outside the US-ASCII
+   repertoire, while still encoding them using the US-ASCII repertoire.
+
+2.3.2 Senders and Receivers
+
+   In RFC 821, the two hosts participating in an SMTP transaction were
+   described as the "SMTP-sender" and "SMTP-receiver".  This document
+   has been changed to reflect current industry terminology and hence
+   refers to them as the "SMTP client" (or sometimes just "the client")
+   and "SMTP server" (or just "the server"), respectively.  Since a
+   given host may act both as server and client in a relay situation,
+   "receiver" and "sender" terminology is still used where needed for
+   clarity.
+
+2.3.3 Mail Agents and Message Stores
+
+   Additional mail system terminology became common after RFC 821 was
+   published and, where convenient, is used in this specification.  In
+   particular, SMTP servers and clients provide a mail transport service
+   and therefore act as "Mail Transfer Agents" (MTAs).  "Mail User
+   Agents" (MUAs or UAs) are normally thought of as the sources and
+
+
+
+Klensin                     Standards Track                    [Page 10]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   targets of mail.  At the source, an MUA might collect mail to be
+   transmitted from a user and hand it off to an MTA; the final
+   ("delivery") MTA would be thought of as handing the mail off to an
+   MUA (or at least transferring responsibility to it, e.g., by
+   depositing the message in a "message store").  However, while these
+   terms are used with at least the appearance of great precision in
+   other environments, the implied boundaries between MUAs and MTAs
+   often do not accurately match common, and conforming, practices with
+   Internet mail.  Hence, the reader should be cautious about inferring
+   the strong relationships and responsibilities that might be implied
+   if these terms were used elsewhere.
+
+2.3.4 Host
+
+   For the purposes of this specification, a host is a computer system
+   attached to the Internet (or, in some cases, to a private TCP/IP
+   network) and supporting the SMTP protocol.  Hosts are known by names
+   (see "domain"); identifying them by numerical address is discouraged.
+
+2.3.5 Domain
+
+   A domain (or domain name) consists of one or more dot-separated
+   components.  These components ("labels" in DNS terminology [22]) are
+   restricted for SMTP purposes to consist of a sequence of letters,
+   digits, and hyphens drawn from the ASCII character set [1].  Domain
+   names are used as names of hosts and of other entities in the domain
+   name hierarchy.  For example, a domain may refer to an alias (label
+   of a CNAME RR) or the label of Mail eXchanger records to be used to
+   deliver mail instead of representing a host name.  See [22] and
+   section 5 of this specification.
+
+   The domain name, as described in this document and in [22], is the
+   entire, fully-qualified name (often referred to as an "FQDN").  A
+   domain name that is not in FQDN form is no more than a local alias.
+   Local aliases MUST NOT appear in any SMTP transaction.
+
+2.3.6 Buffer and State Table
+
+   SMTP sessions are stateful, with both parties carefully maintaining a
+   common view of the current state.  In this document we model this
+   state by a virtual "buffer" and a "state table" on the server which
+   may be used by the client to, for example, "clear the buffer" or
+   "reset the state table," causing the information in the buffer to be
+   discarded and the state to be returned to some previous state.
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 11]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+2.3.7 Lines
+
+   SMTP commands and, unless altered by a service extension, message
+   data, are transmitted in "lines".  Lines consist of zero or more data
+   characters terminated by the sequence ASCII character "CR" (hex value
+   0D) followed immediately by ASCII character "LF" (hex value 0A).
+   This termination sequence is denoted as <CRLF> in this document.
+   Conforming implementations MUST NOT recognize or generate any other
+   character or character sequence as a line terminator.  Limits MAY be
+   imposed on line lengths by servers (see section 4.5.3).
+
+   In addition, the appearance of "bare" "CR" or "LF" characters in text
+   (i.e., either without the other) has a long history of causing
+   problems in mail implementations and applications that use the mail
+   system as a tool.  SMTP client implementations MUST NOT transmit
+   these characters except when they are intended as line terminators
+   and then MUST, as indicated above, transmit them only as a <CRLF>
+   sequence.
+
+2.3.8 Originator, Delivery, Relay, and Gateway Systems
+
+   This specification makes a distinction among four types of SMTP
+   systems, based on the role those systems play in transmitting
+   electronic mail.  An "originating" system (sometimes called an SMTP
+   originator) introduces mail into the Internet or, more generally,
+   into a transport service environment.  A "delivery" SMTP system is
+   one that receives mail from a transport service environment and
+   passes it to a mail user agent or deposits it in a message store
+   which a mail user agent is expected to subsequently access.  A
+   "relay" SMTP system (usually referred to just as a "relay") receives
+   mail from an SMTP client and transmits it, without modification to
+   the message data other than adding trace information, to another SMTP
+   server for further relaying or for delivery.
+
+   A "gateway" SMTP system (usually referred to just as a "gateway")
+   receives mail from a client system in one transport environment and
+   transmits it to a server system in another transport environment.
+   Differences in protocols or message semantics between the transport
+   environments on either side of a gateway may require that the gateway
+   system perform transformations to the message that are not permitted
+   to SMTP relay systems.  For the purposes of this specification,
+   firewalls that rewrite addresses should be considered as gateways,
+   even if SMTP is used on both sides of them (see [11]).
+
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 12]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+2.3.9 Message Content and Mail Data
+
+   The terms "message content" and "mail data" are used interchangeably
+   in this document to describe the material transmitted after the DATA
+   command is accepted and before the end of data indication is
+   transmitted.  Message content includes message headers and the
+   possibly-structured message body.  The MIME specification [12]
+   provides the standard mechanisms for structured message bodies.
+
+2.3.10 Mailbox and Address
+
+   As used in this specification, an "address" is a character string
+   that identifies a user to whom mail will be sent or a location into
+   which mail will be deposited.  The term "mailbox" refers to that
+   depository.  The two terms are typically used interchangeably unless
+   the distinction between the location in which mail is placed (the
+   mailbox) and a reference to it (the address) is important.  An
+   address normally consists of user and domain specifications.  The
+   standard mailbox naming convention is defined to be "local-
+   part@domain": contemporary usage permits a much broader set of
+   applications than simple "user names".  Consequently, and due to a
+   long history of problems when intermediate hosts have attempted to
+   optimize transport by modifying them, the local-part MUST be
+   interpreted and assigned semantics only by the host specified in the
+   domain part of the address.
+
+2.3.11 Reply
+
+   An SMTP reply is an acknowledgment (positive or negative) sent from
+   receiver to sender via the transmission channel in response to a
+   command.  The general form of a reply is a numeric completion code
+   (indicating failure or success) usually followed by a text string.
+   The codes are for use by programs and the text is usually intended
+   for human users.  Recent work [34] has specified further structuring
+   of the reply strings, including the use of supplemental and more
+   specific completion codes.
+
+2.4 General Syntax Principles and Transaction Model
+
+   SMTP commands and replies have a rigid syntax.  All commands begin
+   with a command verb.  All Replies begin with a three digit numeric
+   code.  In some commands and replies, arguments MUST follow the verb
+   or reply code.  Some commands do not accept arguments (after the
+   verb), and some reply codes are followed, sometimes optionally, by
+   free form text.  In both cases, where text appears, it is separated
+   from the verb or reply code by a space character.  Complete
+   definitions of commands and replies appear in section 4.
+
+
+
+
+Klensin                     Standards Track                    [Page 13]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   Verbs and argument values (e.g., "TO:" or "to:" in the RCPT command
+   and extension name keywords) are not case sensitive, with the sole
+   exception in this specification of a mailbox local-part (SMTP
+   Extensions may explicitly specify case-sensitive elements).  That is,
+   a command verb, an argument value other than a mailbox local-part,
+   and free form text MAY be encoded in upper case, lower case, or any
+   mixture of upper and lower case with no impact on its meaning.  This
+   is NOT true of a mailbox local-part.  The local-part of a mailbox
+   MUST BE treated as case sensitive.  Therefore, SMTP implementations
+   MUST take care to preserve the case of mailbox local-parts.  Mailbox
+   domains are not case sensitive.  In particular, for some hosts the
+   user "smith" is different from the user "Smith".  However, exploiting
+   the case sensitivity of mailbox local-parts impedes interoperability
+   and is discouraged.
+
+   A few SMTP servers, in violation of this specification (and RFC 821)
+   require that command verbs be encoded by clients in upper case.
+   Implementations MAY wish to employ this encoding to accommodate those
+   servers.
+
+   The argument field consists of a variable length character string
+   ending with the end of the line, i.e., with the character sequence
+   <CRLF>.  The receiver will take no action until this sequence is
+   received.
+
+   The syntax for each command is shown with the discussion of that
+   command.  Common elements and parameters are shown in section 4.1.2.
+
+   Commands and replies are composed of characters from the ASCII
+   character set [1].  When the transport service provides an 8-bit byte
+   (octet) transmission channel, each 7-bit character is transmitted
+   right justified in an octet with the high order bit cleared to zero.
+   More specifically, the unextended SMTP service provides seven bit
+   transport only.  An originating SMTP client which has not
+   successfully negotiated an appropriate extension with a particular
+   server MUST NOT transmit messages with information in the high-order
+   bit of octets.  If such messages are transmitted in violation of this
+   rule, receiving SMTP servers MAY clear the high-order bit or reject
+   the message as invalid.  In general, a relay SMTP SHOULD assume that
+   the message content it has received is valid and, assuming that the
+   envelope permits doing so, relay it without inspecting that content.
+   Of course, if the content is mislabeled and the data path cannot
+   accept the actual content, this may result in ultimate delivery of a
+   severely garbled message to the recipient.  Delivery SMTP systems MAY
+   reject ("bounce") such messages rather than deliver them.  No sending
+   SMTP system is permitted to send envelope commands in any character
+
+
+
+
+
+Klensin                     Standards Track                    [Page 14]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   set other than US-ASCII; receiving systems SHOULD reject such
+   commands, normally using "500 syntax error - invalid character"
+   replies.
+
+   Eight-bit message content transmission MAY be requested of the server
+   by a client using extended SMTP facilities, notably the "8BITMIME"
+   extension [20].  8BITMIME SHOULD be supported by SMTP servers.
+   However, it MUST not be construed as authorization to transmit
+   unrestricted eight bit material.  8BITMIME MUST NOT be requested by
+   senders for material with the high bit on that is not in MIME format
+   with an appropriate content-transfer encoding; servers MAY reject
+   such messages.
+
+   The metalinguistic notation used in this document corresponds to the
+   "Augmented BNF" used in other Internet mail system documents.  The
+   reader who is not familiar with that syntax should consult the ABNF
+   specification [8].  Metalanguage terms used in running text are
+   surrounded by pointed brackets (e.g., <CRLF>) for clarity.
+
+3. The SMTP Procedures: An Overview
+
+   This section contains descriptions of the procedures used in SMTP:
+   session initiation, the mail transaction, forwarding mail, verifying
+   mailbox names and expanding mailing lists, and the opening and
+   closing exchanges.  Comments on relaying, a note on mail domains, and
+   a discussion of changing roles are included at the end of this
+   section.  Several complete scenarios are presented in appendix D.
+
+3.1 Session Initiation
+
+   An SMTP session is initiated when a client opens a connection to a
+   server and the server responds with an opening message.
+
+   SMTP server implementations MAY include identification of their
+   software and version information in the connection greeting reply
+   after the 220 code, a practice that permits more efficient isolation
+   and repair of any problems.  Implementations MAY make provision for
+   SMTP servers to disable the software and version announcement where
+   it causes security concerns.  While some systems also identify their
+   contact point for mail problems, this is not a substitute for
+   maintaining the required "postmaster" address (see section 4.5.1).
+
+   The SMTP protocol allows a server to formally reject a transaction
+   while still allowing the initial connection as follows: a 554
+   response MAY be given in the initial connection opening message
+   instead of the 220.  A server taking this approach MUST still wait
+   for the client to send a QUIT (see section 4.1.1.10) before closing
+   the connection and SHOULD respond to any intervening commands with
+
+
+
+Klensin                     Standards Track                    [Page 15]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   "503 bad sequence of commands".  Since an attempt to make an SMTP
+   connection to such a system is probably in error, a server returning
+   a 554 response on connection opening SHOULD provide enough
+   information in the reply text to facilitate debugging of the sending
+   system.
+
+3.2 Client Initiation
+
+   Once the server has sent the welcoming message and the client has
+   received it, the client normally sends the EHLO command to the
+   server, indicating the client's identity.  In addition to opening the
+   session, use of EHLO indicates that the client is able to process
+   service extensions and requests that the server provide a list of the
+   extensions it supports.  Older SMTP systems which are unable to
+   support service extensions and contemporary clients which do not
+   require service extensions in the mail session being initiated, MAY
+   use HELO instead of EHLO.  Servers MUST NOT return the extended
+   EHLO-style response to a HELO command.  For a particular connection
+   attempt, if the server returns a "command not recognized" response to
+   EHLO, the client SHOULD be able to fall back and send HELO.
+
+   In the EHLO command the host sending the command identifies itself;
+   the command may be interpreted as saying "Hello, I am <domain>" (and,
+   in the case of EHLO, "and I support service extension requests").
+
+3.3 Mail Transactions
+
+   There are three steps to SMTP mail transactions.  The transaction
+   starts with a MAIL command which gives the sender identification.
+   (In general, the MAIL command may be sent only when no mail
+   transaction is in progress; see section 4.1.4.)  A series of one or
+   more RCPT commands follows giving the receiver information.  Then a
+   DATA command initiates transfer of the mail data and is terminated by
+   the "end of mail" data indicator, which also confirms the
+   transaction.
+
+   The first step in the procedure is the MAIL command.
+
+      MAIL FROM:<reverse-path> [SP <mail-parameters> ] <CRLF>
+
+   This command tells the SMTP-receiver that a new mail transaction is
+   starting and to reset all its state tables and buffers, including any
+   recipients or mail data.  The <reverse-path> portion of the first or
+   only argument contains the source mailbox (between "<" and ">"
+   brackets), which can be used to report errors (see section 4.2 for a
+   discussion of error reporting).  If accepted, the SMTP server returns
+   a 250 OK reply.  If the mailbox specification is not acceptable for
+   some reason, the server MUST return a reply indicating whether the
+
+
+
+Klensin                     Standards Track                    [Page 16]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   failure is permanent (i.e., will occur again if the client tries to
+   send the same address again) or temporary (i.e., the address might be
+   accepted if the client tries again later).  Despite the apparent
+   scope of this requirement, there are circumstances in which the
+   acceptability of the reverse-path may not be determined until one or
+   more forward-paths (in RCPT commands) can be examined.  In those
+   cases, the server MAY reasonably accept the reverse-path (with a 250
+   reply) and then report problems after the forward-paths are received
+   and examined.  Normally, failures produce 550 or 553 replies.
+
+   Historically, the <reverse-path> can contain more than just a
+   mailbox, however, contemporary systems SHOULD NOT use source routing
+   (see appendix C).
+
+   The optional <mail-parameters> are associated with negotiated SMTP
+   service extensions (see section 2.2).
+
+   The second step in the procedure is the RCPT command.
+
+      RCPT TO:<forward-path> [ SP <rcpt-parameters> ] <CRLF>
+
+   The first or only argument to this command includes a forward-path
+   (normally a mailbox and domain, always surrounded by "<" and ">"
+   brackets) identifying one recipient.  If accepted, the SMTP server
+   returns a 250 OK reply and stores the forward-path.  If the recipient
+   is known not to be a deliverable address, the SMTP server returns a
+   550 reply, typically with a string such as "no such user - " and the
+   mailbox name (other circumstances and reply codes are possible).
+   This step of the procedure can be repeated any number of times.
+
+   The <forward-path> can contain more than just a mailbox.
+   Historically, the <forward-path> can be a source routing list of
+   hosts and the destination mailbox, however, contemporary SMTP clients
+   SHOULD NOT utilize source routes (see appendix C).  Servers MUST be
+   prepared to encounter a list of source routes in the forward path,
+   but SHOULD ignore the routes or MAY decline to support the relaying
+   they imply.  Similarly, servers MAY decline to accept mail that is
+   destined for other hosts or systems.  These restrictions make a
+   server useless as a relay for clients that do not support full SMTP
+   functionality.  Consequently, restricted-capability clients MUST NOT
+   assume that any SMTP server on the Internet can be used as their mail
+   processing (relaying) site.  If a RCPT command appears without a
+   previous MAIL command, the server MUST return a 503 "Bad sequence of
+   commands" response.  The optional <rcpt-parameters> are associated
+   with negotiated SMTP service extensions (see section 2.2).
+
+   The third step in the procedure is the DATA command (or some
+   alternative specified in a service extension).
+
+
+
+Klensin                     Standards Track                    [Page 17]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      DATA <CRLF>
+
+   If accepted, the SMTP server returns a 354 Intermediate reply and
+   considers all succeeding lines up to but not including the end of
+   mail data indicator to be the message text.  When the end of text is
+   successfully received and stored the SMTP-receiver sends a 250 OK
+   reply.
+
+   Since the mail data is sent on the transmission channel, the end of
+   mail data must be indicated so that the command and reply dialog can
+   be resumed.  SMTP indicates the end of the mail data by sending a
+   line containing only a "." (period or full stop).  A transparency
+   procedure is used to prevent this from interfering with the user's
+   text (see section 4.5.2).
+
+   The end of mail data indicator also confirms the mail transaction and
+   tells the SMTP server to now process the stored recipients and mail
+   data.  If accepted, the SMTP server returns a 250 OK reply.  The DATA
+   command can fail at only two points in the protocol exchange:
+
+   -  If there was no MAIL, or no RCPT, command, or all such commands
+      were rejected, the server MAY return a "command out of sequence"
+      (503) or "no valid recipients" (554) reply in response to the DATA
+      command.  If one of those replies (or any other 5yz reply) is
+      received, the client MUST NOT send the message data; more
+      generally, message data MUST NOT be sent unless a 354 reply is
+      received.
+
+   -  If the verb is initially accepted and the 354 reply issued, the
+      DATA command should fail only if the mail transaction was
+      incomplete (for example, no recipients), or if resources were
+      unavailable (including, of course, the server unexpectedly
+      becoming unavailable), or if the server determines that the
+      message should be rejected for policy or other reasons.
+
+   However, in practice, some servers do not perform recipient
+   verification until after the message text is received.  These servers
+   SHOULD treat a failure for one or more recipients as a "subsequent
+   failure" and return a mail message as discussed in section 6.  Using
+   a "550 mailbox not found" (or equivalent) reply code after the data
+   are accepted makes it difficult or impossible for the client to
+   determine which recipients failed.
+
+   When RFC 822 format [7, 32] is being used, the mail data include the
+   memo header items such as Date, Subject, To, Cc, From.  Server SMTP
+   systems SHOULD NOT reject messages based on perceived defects in the
+   RFC 822 or MIME [12] message header or message body.  In particular,
+
+
+
+
+Klensin                     Standards Track                    [Page 18]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   they MUST NOT reject messages in which the numbers of Resent-fields
+   do not match or Resent-to appears without Resent-from and/or Resent-
+   date.
+
+   Mail transaction commands MUST be used in the order discussed above.
+
+3.4 Forwarding for Address Correction or Updating
+
+   Forwarding support is most often required to consolidate and simplify
+   addresses within, or relative to, some enterprise and less frequently
+   to establish addresses to link a person's prior address with current
+   one.  Silent forwarding of messages (without server notification to
+   the sender), for security or non-disclosure purposes, is common in
+   the contemporary Internet.
+
+   In both the enterprise and the "new address" cases, information
+   hiding (and sometimes security) considerations argue against exposure
+   of the "final" address through the SMTP protocol as a side-effect of
+   the forwarding activity.  This may be especially important when the
+   final address may not even be reachable by the sender.  Consequently,
+   the "forwarding" mechanisms described in section 3.2 of RFC 821, and
+   especially the 251 (corrected destination) and 551 reply codes from
+   RCPT must be evaluated carefully by implementers and, when they are
+   available, by those configuring systems.
+
+   In particular:
+
+   *  Servers MAY forward messages when they are aware of an address
+      change.  When they do so, they MAY either provide address-updating
+      information with a 251 code, or may forward "silently" and return
+      a 250 code.  But, if a 251 code is used, they MUST NOT assume that
+      the client will actually update address information or even return
+      that information to the user.
+
+   Alternately,
+
+   *  Servers MAY reject or bounce messages when they are not
+      deliverable when addressed.  When they do so, they MAY either
+      provide address-updating information with a 551 code, or may
+      reject the message as undeliverable with a 550 code and no
+      address-specific information.  But, if a 551 code is used, they
+      MUST NOT assume that the client will actually update address
+      information or even return that information to the user.
+
+   SMTP server implementations that support the 251 and/or 551 reply
+   codes are strongly encouraged to provide configuration mechanisms so
+   that sites which conclude that they would undesirably disclose
+   information can disable or restrict their use.
+
+
+
+Klensin                     Standards Track                    [Page 19]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+3.5 Commands for Debugging Addresses
+
+3.5.1 Overview
+
+   SMTP provides commands to verify a user name or obtain the content of
+   a mailing list.  This is done with the VRFY and EXPN commands, which
+   have character string arguments.  Implementations SHOULD support VRFY
+   and EXPN (however, see section 3.5.2 and 7.3).
+
+   For the VRFY command, the string is a user name or a user name and
+   domain (see below).  If a normal (i.e., 250) response is returned,
+   the response MAY include the full name of the user and MUST include
+   the mailbox of the user.  It MUST be in either of the following
+   forms:
+
+      User Name <local-part@domain>
+      local-part@domain
+
+   When a name that is the argument to VRFY could identify more than one
+   mailbox, the server MAY either note the ambiguity or identify the
+   alternatives.  In other words, any of the following are legitimate
+   response to VRFY:
+
+      553 User ambiguous
+
+   or
+
+      553- Ambiguous;  Possibilities are
+      553-Joe Smith <jsmith@foo.com>
+      553-Harry Smith <hsmith@foo.com>
+      553 Melvin Smith <dweep@foo.com>
+
+   or
+
+      553-Ambiguous;  Possibilities
+      553- <jsmith@foo.com>
+      553- <hsmith@foo.com>
+      553 <dweep@foo.com>
+
+   Under normal circumstances, a client receiving a 553 reply would be
+   expected to expose the result to the user.  Use of exactly the forms
+   given, and the "user ambiguous" or "ambiguous" keywords, possibly
+   supplemented by extended reply codes such as those described in [34],
+   will facilitate automated translation into other languages as needed.
+   Of course, a client that was highly automated or that was operating
+   in another language than English, might choose to try to translate
+   the response, to return some other indication to the user than the
+
+
+
+
+Klensin                     Standards Track                    [Page 20]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   literal text of the reply, or to take some automated action such as
+   consulting a directory service for additional information before
+   reporting to the user.
+
+   For the EXPN command, the string identifies a mailing list, and the
+   successful (i.e., 250) multiline response MAY include the full name
+   of the users and MUST give the mailboxes on the mailing list.
+
+   In some hosts the distinction between a mailing list and an alias for
+   a single mailbox is a bit fuzzy, since a common data structure may
+   hold both types of entries, and it is possible to have mailing lists
+   containing only one mailbox.  If a request is made to apply VRFY to a
+   mailing list, a positive response MAY be given if a message so
+   addressed would be delivered to everyone on the list, otherwise an
+   error SHOULD be reported (e.g., "550 That is a mailing list, not a
+   user" or "252 Unable to verify members of mailing list").  If a
+   request is made to expand a user name, the server MAY return a
+   positive response consisting of a list containing one name, or an
+   error MAY be reported (e.g., "550 That is a user name, not a mailing
+   list").
+
+   In the case of a successful multiline reply (normal for EXPN) exactly
+   one mailbox is to be specified on each line of the reply.  The case
+   of an ambiguous request is discussed above.
+
+   "User name" is a fuzzy term and has been used deliberately.  An
+   implementation of the VRFY or EXPN commands MUST include at least
+   recognition of local mailboxes as "user names".  However, since
+   current Internet practice often results in a single host handling
+   mail for multiple domains, hosts, especially hosts that provide this
+   functionality, SHOULD accept the "local-part@domain" form as a "user
+   name"; hosts MAY also choose to recognize other strings as "user
+   names".
+
+   The case of expanding a mailbox list requires a multiline reply, such
+   as:
+
+      C: EXPN Example-People
+      S: 250-Jon Postel <Postel@isi.edu>
+      S: 250-Fred Fonebone <Fonebone@physics.foo-u.edu>
+      S: 250 Sam Q. Smith <SQSmith@specific.generic.com>
+
+   or
+
+      C: EXPN Executive-Washroom-List
+      S: 550 Access Denied to You.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 21]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   The character string arguments of the VRFY and EXPN commands cannot
+   be further restricted due to the variety of implementations of the
+   user name and mailbox list concepts.  On some systems it may be
+   appropriate for the argument of the EXPN command to be a file name
+   for a file containing a mailing list, but again there are a variety
+   of file naming conventions in the Internet.  Similarly, historical
+   variations in what is returned by these commands are such that the
+   response SHOULD be interpreted very carefully, if at all, and SHOULD
+   generally only be used for diagnostic purposes.
+
+3.5.2 VRFY Normal Response
+
+   When normal (2yz or 551) responses are returned from a VRFY or EXPN
+   request, the reply normally includes the mailbox name, i.e.,
+   "<local-part@domain>", where "domain" is a fully qualified domain
+   name, MUST appear in the syntax.  In circumstances exceptional enough
+   to justify violating the intent of this specification, free-form text
+   MAY be returned.  In order to facilitate parsing by both computers
+   and people, addresses SHOULD appear in pointed brackets.  When
+   addresses, rather than free-form debugging information, are returned,
+   EXPN and VRFY MUST return only valid domain addresses that are usable
+   in SMTP RCPT commands.  Consequently, if an address implies delivery
+   to a program or other system, the mailbox name used to reach that
+   target MUST be given.  Paths (explicit source routes) MUST NOT be
+   returned by VRFY or EXPN.
+
+   Server implementations SHOULD support both VRFY and EXPN.  For
+   security reasons, implementations MAY provide local installations a
+   way to disable either or both of these commands through configuration
+   options or the equivalent.  When these commands are supported, they
+   are not required to work across relays when relaying is supported.
+   Since they were both optional in RFC 821, they MUST be listed as
+   service extensions in an EHLO response, if they are supported.
+
+3.5.3 Meaning of VRFY or EXPN Success Response
+
+   A server MUST NOT return a 250 code in response to a VRFY or EXPN
+   command unless it has actually verified the address.  In particular,
+   a server MUST NOT return 250 if all it has done is to verify that the
+   syntax given is valid.  In that case, 502 (Command not implemented)
+   or 500 (Syntax error, command unrecognized) SHOULD be returned.  As
+   stated elsewhere, implementation (in the sense of actually validating
+   addresses and returning information) of VRFY and EXPN are strongly
+   recommended.  Hence, implementations that return 500 or 502 for VRFY
+   are not in full compliance with this specification.
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 22]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   There may be circumstances where an address appears to be valid but
+   cannot reasonably be verified in real time, particularly when a
+   server is acting as a mail exchanger for another server or domain.
+   "Apparent validity" in this case would normally involve at least
+   syntax checking and might involve verification that any domains
+   specified were ones to which the host expected to be able to relay
+   mail.  In these situations, reply code 252 SHOULD be returned.  These
+   cases parallel the discussion of RCPT verification discussed in
+   section 2.1.  Similarly, the discussion in section 3.4 applies to the
+   use of reply codes 251 and 551 with VRFY (and EXPN) to indicate
+   addresses that are recognized but that would be forwarded or bounced
+   were mail received for them.  Implementations generally SHOULD be
+   more aggressive about address verification in the case of VRFY than
+   in the case of RCPT, even if it takes a little longer to do so.
+
+3.5.4 Semantics and Applications of EXPN
+
+   EXPN is often very useful in debugging and understanding problems
+   with mailing lists and multiple-target-address aliases.  Some systems
+   have attempted to use source expansion of mailing lists as a means of
+   eliminating duplicates.  The propagation of aliasing systems with
+   mail on the Internet, for hosts (typically with MX and CNAME DNS
+   records), for mailboxes (various types of local host aliases), and in
+   various proxying arrangements, has made it nearly impossible for
+   these strategies to work consistently, and mail systems SHOULD NOT
+   attempt them.
+
+3.6 Domains
+
+   Only resolvable, fully-qualified, domain names (FQDNs) are permitted
+   when domain names are used in SMTP.  In other words, names that can
+   be resolved to MX RRs or A RRs (as discussed in section 5) are
+   permitted, as are CNAME RRs whose targets can be resolved, in turn,
+   to MX or A RRs.  Local nicknames or unqualified names MUST NOT be
+   used.  There are two exceptions to the rule requiring FQDNs:
+
+   -  The domain name given in the EHLO command MUST BE either a primary
+      host name (a domain name that resolves to an A RR) or, if the host
+      has no name, an address literal as described in section 4.1.1.1.
+
+   -  The reserved mailbox name "postmaster" may be used in a RCPT
+      command without domain qualification (see section 4.1.1.3) and
+      MUST be accepted if so used.
+
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 23]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+3.7 Relaying
+
+   In general, the availability of Mail eXchanger records in the domain
+   name system [22, 27] makes the use of explicit source routes in the
+   Internet mail system unnecessary.  Many historical problems with
+   their interpretation have made their use undesirable.  SMTP clients
+   SHOULD NOT generate explicit source routes except under unusual
+   circumstances.  SMTP servers MAY decline to act as mail relays or to
+   accept addresses that specify source routes.  When route information
+   is encountered, SMTP servers are also permitted to ignore the route
+   information and simply send to the final destination specified as the
+   last element in the route and SHOULD do so.  There has been an
+   invalid practice of using names that do not appear in the DNS as
+   destination names, with the senders counting on the intermediate
+   hosts specified in source routing to resolve any problems.  If source
+   routes are stripped, this practice will cause failures.  This is one
+   of several reasons why SMTP clients MUST NOT generate invalid source
+   routes or depend on serial resolution of names.
+
+   When source routes are not used, the process described in RFC 821 for
+   constructing a reverse-path from the forward-path is not applicable
+   and the reverse-path at the time of delivery will simply be the
+   address that appeared in the MAIL command.
+
+   A relay SMTP server is usually the target of a DNS MX record that
+   designates it, rather than the final delivery system.  The relay
+   server may accept or reject the task of relaying the mail in the same
+   way it accepts or rejects mail for a local user.  If it accepts the
+   task, it then becomes an SMTP client, establishes a transmission
+   channel to the next SMTP server specified in the DNS (according to
+   the rules in section 5), and sends it the mail.  If it declines to
+   relay mail to a particular address for policy reasons, a 550 response
+   SHOULD be returned.
+
+   Many mail-sending clients exist, especially in conjunction with
+   facilities that receive mail via POP3 or IMAP, that have limited
+   capability to support some of the requirements of this specification,
+   such as the ability to queue messages for subsequent delivery
+   attempts.  For these clients, it is common practice to make private
+   arrangements to send all messages to a single server for processing
+   and subsequent distribution.  SMTP, as specified here, is not ideally
+   suited for this role, and work is underway on standardized mail
+   submission protocols that might eventually supercede the current
+   practices.  In any event, because these arrangements are private and
+   fall outside the scope of this specification, they are not described
+   here.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 24]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   It is important to note that MX records can point to SMTP servers
+   which act as gateways into other environments, not just SMTP relays
+   and final delivery systems; see sections 3.8 and 5.
+
+   If an SMTP server has accepted the task of relaying the mail and
+   later finds that the destination is incorrect or that the mail cannot
+   be delivered for some other reason, then it MUST construct an
+   "undeliverable mail" notification message and send it to the
+   originator of the undeliverable mail (as indicated by the reverse-
+   path).  Formats specified for non-delivery reports by other standards
+   (see, for example, [24, 25]) SHOULD be used if possible.
+
+   This notification message must be from the SMTP server at the relay
+   host or the host that first determines that delivery cannot be
+   accomplished.  Of course, SMTP servers MUST NOT send notification
+   messages about problems transporting notification messages.  One way
+   to prevent loops in error reporting is to specify a null reverse-path
+   in the MAIL command of a notification message.  When such a message
+   is transmitted the reverse-path MUST be set to null (see section
+   4.5.5 for additional discussion).  A MAIL command with a null
+   reverse-path appears as follows:
+
+      MAIL FROM:<>
+
+   As discussed in section 2.4.1, a relay SMTP has no need to inspect or
+   act upon the headers or body of the message data and MUST NOT do so
+   except to add its own "Received:" header (section 4.4) and,
+   optionally, to attempt to detect looping in the mail system (see
+   section 6.2).
+
+3.8 Mail Gatewaying
+
+   While the relay function discussed above operates within the Internet
+   SMTP transport service environment, MX records or various forms of
+   explicit routing may require that an intermediate SMTP server perform
+   a translation function between one transport service and another.  As
+   discussed in section 2.3.8, when such a system is at the boundary
+   between two transport service environments, we refer to it as a
+   "gateway" or "gateway SMTP".
+
+   Gatewaying mail between different mail environments, such as
+   different mail formats and protocols, is complex and does not easily
+   yield to standardization.  However, some general requirements may be
+   given for a gateway between the Internet and another mail
+   environment.
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 25]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+3.8.1 Header Fields in Gatewaying
+
+   Header fields MAY be rewritten when necessary as messages are
+   gatewayed across mail environment boundaries.  This may involve
+   inspecting the message body or interpreting the local-part of the
+   destination address in spite of the prohibitions in section 2.4.1.
+
+   Other mail systems gatewayed to the Internet often use a subset of
+   RFC 822 headers or provide similar functionality with a different
+   syntax, but some of these mail systems do not have an equivalent to
+   the SMTP envelope.  Therefore, when a message leaves the Internet
+   environment, it may be necessary to fold the SMTP envelope
+   information into the message header.  A possible solution would be to
+   create new header fields to carry the envelope information (e.g.,
+   "X-SMTP-MAIL:"  and "X-SMTP-RCPT:"); however, this would require
+   changes in mail programs in foreign environments and might risk
+   disclosure of private information (see section 7.2).
+
+3.8.2 Received Lines in Gatewaying
+
+   When forwarding a message into or out of the Internet environment, a
+   gateway MUST prepend a Received: line, but it MUST NOT alter in any
+   way a Received: line that is already in the header.
+
+   "Received:" fields of messages originating from other environments
+   may not conform exactly to this specification.  However, the most
+   important use of Received: lines is for debugging mail faults, and
+   this debugging can be severely hampered by well-meaning gateways that
+   try to "fix" a Received: line.  As another consequence of trace
+   fields arising in non-SMTP environments, receiving systems MUST NOT
+   reject mail based on the format of a trace field and SHOULD be
+   extremely robust in the light of unexpected information or formats in
+   those fields.
+
+   The gateway SHOULD indicate the environment and protocol in the "via"
+   clauses of Received field(s) that it supplies.
+
+3.8.3 Addresses in Gatewaying
+
+   From the Internet side, the gateway SHOULD accept all valid address
+   formats in SMTP commands and in RFC 822 headers, and all valid RFC
+   822 messages.  Addresses and headers generated by gateways MUST
+   conform to applicable Internet standards (including this one and RFC
+   822).  Gateways are, of course, subject to the same rules for
+   handling source routes as those described for other SMTP systems in
+   section 3.3.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 26]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+3.8.4 Other Header Fields in Gatewaying
+
+   The gateway MUST ensure that all header fields of a message that it
+   forwards into the Internet mail environment meet the requirements for
+   Internet mail.  In particular, all addresses in "From:", "To:",
+   "Cc:", etc., fields MUST be transformed (if necessary) to satisfy RFC
+   822 syntax, MUST reference only fully-qualified domain names, and
+   MUST be effective and useful for sending replies.  The translation
+   algorithm used to convert mail from the Internet protocols to another
+   environment's protocol SHOULD ensure that error messages from the
+   foreign mail environment are delivered to the return path from the
+   SMTP envelope, not to the sender listed in the "From:" field (or
+   other fields) of the RFC 822 message.
+
+3.8.5 Envelopes in Gatewaying
+
+   Similarly, when forwarding a message from another environment into
+   the Internet, the gateway SHOULD set the envelope return path in
+   accordance with an error message return address, if supplied by the
+   foreign environment.  If the foreign environment has no equivalent
+   concept, the gateway must select and use a best approximation, with
+   the message originator's address as the default of last resort.
+
+3.9 Terminating Sessions and Connections
+
+   An SMTP connection is terminated when the client sends a QUIT
+   command.  The server responds with a positive reply code, after which
+   it closes the connection.
+
+   An SMTP server MUST NOT intentionally close the connection except:
+
+   -  After receiving a QUIT command and responding with a 221 reply.
+
+   -  After detecting the need to shut down the SMTP service and
+      returning a 421 response code.  This response code can be issued
+      after the server receives any command or, if necessary,
+      asynchronously from command receipt (on the assumption that the
+      client will receive it after the next command is issued).
+
+   In particular, a server that closes connections in response to
+   commands that are not understood is in violation of this
+   specification.  Servers are expected to be tolerant of unknown
+   commands, issuing a 500 reply and awaiting further instructions from
+   the client.
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 27]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   An SMTP server which is forcibly shut down via external means SHOULD
+   attempt to send a line containing a 421 response code to the SMTP
+   client before exiting.  The SMTP client will normally read the 421
+   response code after sending its next command.
+
+   SMTP clients that experience a connection close, reset, or other
+   communications failure due to circumstances not under their control
+   (in violation of the intent of this specification but sometimes
+   unavoidable) SHOULD, to maintain the robustness of the mail system,
+   treat the mail transaction as if a 451 response had been received and
+   act accordingly.
+
+3.10 Mailing Lists and Aliases
+
+   An SMTP-capable host SHOULD support both the alias and the list
+   models of address expansion for multiple delivery.  When a message is
+   delivered or forwarded to each address of an expanded list form, the
+   return address in the envelope ("MAIL FROM:") MUST be changed to be
+   the address of a person or other entity who administers the list.
+   However, in this case, the message header [32] MUST be left
+   unchanged; in particular, the "From" field of the message header is
+   unaffected.
+
+   An important mail facility is a mechanism for multi-destination
+   delivery of a single message, by transforming (or "expanding" or
+   "exploding") a pseudo-mailbox address into a list of destination
+   mailbox addresses.  When a message is sent to such a pseudo-mailbox
+   (sometimes called an "exploder"), copies are forwarded or
+   redistributed to each mailbox in the expanded list.  Servers SHOULD
+   simply utilize the addresses on the list; application of heuristics
+   or other matching rules to eliminate some addresses, such as that of
+   the originator, is strongly discouraged.  We classify such a pseudo-
+   mailbox as an "alias" or a "list", depending upon the expansion
+   rules.
+
+3.10.1 Alias
+
+   To expand an alias, the recipient mailer simply replaces the pseudo-
+   mailbox address in the envelope with each of the expanded addresses
+   in turn; the rest of the envelope and the message body are left
+   unchanged.  The message is then delivered or forwarded to each
+   expanded address.
+
+3.10.2 List
+
+   A mailing list may be said to operate by "redistribution" rather than
+   by "forwarding".  To expand a list, the recipient mailer replaces the
+   pseudo-mailbox address in the envelope with all of the expanded
+
+
+
+Klensin                     Standards Track                    [Page 28]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   addresses.  The return address in the envelope is changed so that all
+   error messages generated by the final deliveries will be returned to
+   a list administrator, not to the message originator, who generally
+   has no control over the contents of the list and will typically find
+   error messages annoying.
+
+4. The SMTP Specifications
+
+4.1 SMTP Commands
+
+4.1.1 Command Semantics and Syntax
+
+   The SMTP commands define the mail transfer or the mail system
+   function requested by the user.  SMTP commands are character strings
+   terminated by <CRLF>.  The commands themselves are alphabetic
+   characters terminated by <SP> if parameters follow and <CRLF>
+   otherwise.  (In the interest of improved interoperability, SMTP
+   receivers are encouraged to tolerate trailing white space before the
+   terminating <CRLF>.)  The syntax of the local part of a mailbox must
+   conform to receiver site conventions and the syntax specified in
+   section 4.1.2.  The SMTP commands are discussed below.  The SMTP
+   replies are discussed in section 4.2.
+
+   A mail transaction involves several data objects which are
+   communicated as arguments to different commands.  The reverse-path is
+   the argument of the MAIL command, the forward-path is the argument of
+   the RCPT command, and the mail data is the argument of the DATA
+   command.  These arguments or data objects must be transmitted and
+   held pending the confirmation communicated by the end of mail data
+   indication which finalizes the transaction.  The model for this is
+   that distinct buffers are provided to hold the types of data objects,
+   that is, there is a reverse-path buffer, a forward-path buffer, and a
+   mail data buffer.  Specific commands cause information to be appended
+   to a specific buffer, or cause one or more buffers to be cleared.
+
+   Several commands (RSET, DATA, QUIT) are specified as not permitting
+   parameters.  In the absence of specific extensions offered by the
+   server and accepted by the client, clients MUST NOT send such
+   parameters and servers SHOULD reject commands containing them as
+   having invalid syntax.
+
+4.1.1.1  Extended HELLO (EHLO) or HELLO (HELO)
+
+   These commands are used to identify the SMTP client to the SMTP
+   server.  The argument field contains the fully-qualified domain name
+   of the SMTP client if one is available.  In situations in which the
+   SMTP client system does not have a meaningful domain name (e.g., when
+   its address is dynamically allocated and no reverse mapping record is
+
+
+
+Klensin                     Standards Track                    [Page 29]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   available), the client SHOULD send an address literal (see section
+   4.1.3), optionally followed by information that will help to identify
+   the client system.  y The SMTP server identifies itself to the SMTP
+   client in the connection greeting reply and in the response to this
+   command.
+
+   A client SMTP SHOULD start an SMTP session by issuing the EHLO
+   command.  If the SMTP server supports the SMTP service extensions it
+   will give a successful response, a failure response, or an error
+   response.  If the SMTP server, in violation of this specification,
+   does not support any SMTP service extensions it will generate an
+   error response.  Older client SMTP systems MAY, as discussed above,
+   use HELO (as specified in RFC 821) instead of EHLO, and servers MUST
+   support the HELO command and reply properly to it.  In any event, a
+   client MUST issue HELO or EHLO before starting a mail transaction.
+
+   These commands, and a "250 OK" reply to one of them, confirm that
+   both the SMTP client and the SMTP server are in the initial state,
+   that is, there is no transaction in progress and all state tables and
+   buffers are cleared.
+
+   Syntax:
+
+      ehlo            = "EHLO" SP Domain CRLF
+      helo            = "HELO" SP Domain CRLF
+
+   Normally, the response to EHLO will be a multiline reply.  Each line
+   of the response contains a keyword and, optionally, one or more
+   parameters.  Following the normal syntax for multiline replies, these
+   keyworks follow the code (250) and a hyphen for all but the last
+   line, and the code and a space for the last line.  The syntax for a
+   positive response, using the ABNF notation and terminal symbols of
+   [8], is:
+
+      ehlo-ok-rsp  =    ( "250"    domain [ SP ehlo-greet ] CRLF )
+                   / (    "250-"   domain [ SP ehlo-greet ] CRLF
+                       *( "250-"   ehlo-line                CRLF )
+                          "250"    SP ehlo-line             CRLF  )
+
+      ehlo-greet   = 1*(%d0-9 / %d11-12 / %d14-127)
+                   ; string of any characters other than CR or LF
+
+      ehlo-line    = ehlo-keyword *( SP ehlo-param )
+
+      ehlo-keyword = (ALPHA / DIGIT) *(ALPHA / DIGIT / "-")
+                   ; additional syntax of ehlo-params depends on
+                   ; ehlo-keyword
+
+
+
+
+Klensin                     Standards Track                    [Page 30]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      ehlo-param   = 1*(%d33-127)
+                   ; any CHAR excluding <SP> and all
+                   ; control characters (US-ASCII 0-31 inclusive)
+
+   Although EHLO keywords may be specified in upper, lower, or mixed
+   case, they MUST always be recognized and processed in a case-
+   insensitive manner.  This is simply an extension of practices
+   specified in RFC 821 and section 2.4.1.
+
+4.1.1.2 MAIL (MAIL)
+
+   This command is used to initiate a mail transaction in which the mail
+   data is delivered to an SMTP server which may, in turn, deliver it to
+   one or more mailboxes or pass it on to another system (possibly using
+   SMTP).  The argument field contains a reverse-path and may contain
+   optional parameters.  In general, the MAIL command may be sent only
+   when no mail transaction is in progress, see section 4.1.4.
+
+   The reverse-path consists of the sender mailbox.  Historically, that
+   mailbox might optionally have been preceded by a list of hosts, but
+   that behavior is now deprecated (see appendix C).  In some types of
+   reporting messages for which a reply is likely to cause a mail loop
+   (for example, mail delivery and nondelivery notifications), the
+   reverse-path may be null (see section 3.7).
+
+   This command clears the reverse-path buffer, the forward-path buffer,
+   and the mail data buffer; and inserts the reverse-path information
+   from this command into the reverse-path buffer.
+
+   If service extensions were negotiated, the MAIL command may also
+   carry parameters associated with a particular service extension.
+
+   Syntax:
+
+      "MAIL FROM:" ("<>" / Reverse-Path)
+                       [SP Mail-parameters] CRLF
+
+4.1.1.3 RECIPIENT (RCPT)
+
+   This command is used to identify an individual recipient of the mail
+   data; multiple recipients are specified by multiple use of this
+   command.  The argument field contains a forward-path and may contain
+   optional parameters.
+
+   The forward-path normally consists of the required destination
+   mailbox.  Sending systems SHOULD not generate the optional list of
+   hosts known as a source route.  Receiving systems MUST recognize
+
+
+
+
+Klensin                     Standards Track                    [Page 31]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   source route syntax but SHOULD strip off the source route
+   specification and utilize the domain name associated with the mailbox
+   as if the source route had not been provided.
+
+   Similarly, relay hosts SHOULD strip or ignore source routes, and
+   names MUST NOT be copied into the reverse-path.  When mail reaches
+   its ultimate destination (the forward-path contains only a
+   destination mailbox), the SMTP server inserts it into the destination
+   mailbox in accordance with its host mail conventions.
+
+   For example, mail received at relay host xyz.com with envelope
+   commands
+
+      MAIL FROM:<userx@y.foo.org>
+      RCPT TO:<@hosta.int,@jkl.org:userc@d.bar.org>
+
+   will normally be sent directly on to host d.bar.org with envelope
+   commands
+
+      MAIL FROM:<userx@y.foo.org>
+      RCPT TO:<userc@d.bar.org>
+
+   As provided in appendix C, xyz.com MAY also choose to relay the
+   message to hosta.int, using the envelope commands
+
+      MAIL FROM:<userx@y.foo.org>
+      RCPT TO:<@hosta.int,@jkl.org:userc@d.bar.org>
+
+   or to jkl.org, using the envelope commands
+
+      MAIL FROM:<userx@y.foo.org>
+      RCPT TO:<@jkl.org:userc@d.bar.org>
+
+   Of course, since hosts are not required to relay mail at all, xyz.com
+   may also reject the message entirely when the RCPT command is
+   received, using a 550 code (since this is a "policy reason").
+
+   If service extensions were negotiated, the RCPT command may also
+   carry parameters associated with a particular service extension
+   offered by the server.  The client MUST NOT transmit parameters other
+   than those associated with a service extension offered by the server
+   in its EHLO response.
+
+Syntax:
+   "RCPT TO:" ("<Postmaster@" domain ">" / "<Postmaster>" / Forward-Path)
+                    [SP Rcpt-parameters] CRLF
+
+
+
+
+
+Klensin                     Standards Track                    [Page 32]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+4.1.1.4 DATA (DATA)
+
+   The receiver normally sends a 354 response to DATA, and then treats
+   the lines (strings ending in <CRLF> sequences, as described in
+   section 2.3.7) following the command as mail data from the sender.
+   This command causes the mail data to be appended to the mail data
+   buffer.  The mail data may contain any of the 128 ASCII character
+   codes, although experience has indicated that use of control
+   characters other than SP, HT, CR, and LF may cause problems and
+   SHOULD be avoided when possible.
+
+   The mail data is terminated by a line containing only a period, that
+   is, the character sequence "<CRLF>.<CRLF>" (see section 4.5.2).  This
+   is the end of mail data indication.  Note that the first <CRLF> of
+   this terminating sequence is also the <CRLF> that ends the final line
+   of the data (message text) or, if there was no data, ends the DATA
+   command itself.  An extra <CRLF> MUST NOT be added, as that would
+   cause an empty line to be added to the message.  The only exception
+   to this rule would arise if the message body were passed to the
+   originating SMTP-sender with a final "line" that did not end in
+   <CRLF>; in that case, the originating SMTP system MUST either reject
+   the message as invalid or add <CRLF> in order to have the receiving
+   SMTP server recognize the "end of data" condition.
+
+   The custom of accepting lines ending only in <LF>, as a concession to
+   non-conforming behavior on the part of some UNIX systems, has proven
+   to cause more interoperability problems than it solves, and SMTP
+   server systems MUST NOT do this, even in the name of improved
+   robustness.  In particular, the sequence "<LF>.<LF>" (bare line
+   feeds, without carriage returns) MUST NOT be treated as equivalent to
+   <CRLF>.<CRLF> as the end of mail data indication.
+
+   Receipt of the end of mail data indication requires the server to
+   process the stored mail transaction information.  This processing
+   consumes the information in the reverse-path buffer, the forward-path
+   buffer, and the mail data buffer, and on the completion of this
+   command these buffers are cleared.  If the processing is successful,
+   the receiver MUST send an OK reply.  If the processing fails the
+   receiver MUST send a failure reply.  The SMTP model does not allow
+   for partial failures at this point: either the message is accepted by
+   the server for delivery and a positive response is returned or it is
+   not accepted and a failure reply is returned.  In sending a positive
+   completion reply to the end of data indication, the receiver takes
+   full responsibility for the message (see section 6.1).  Errors that
+   are diagnosed subsequently MUST be reported in a mail message, as
+   discussed in section 4.4.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 33]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   When the SMTP server accepts a message either for relaying or for
+   final delivery, it inserts a trace record (also referred to
+   interchangeably as a "time stamp line" or "Received" line) at the top
+   of the mail data.  This trace record indicates the identity of the
+   host that sent the message, the identity of the host that received
+   the message (and is inserting this time stamp), and the date and time
+   the message was received.  Relayed messages will have multiple time
+   stamp lines.  Details for formation of these lines, including their
+   syntax, is specified in section 4.4.
+
+   Additional discussion about the operation of the DATA command appears
+   in section 3.3.
+
+   Syntax:
+      "DATA" CRLF
+
+4.1.1.5 RESET (RSET)
+
+   This command specifies that the current mail transaction will be
+   aborted.  Any stored sender, recipients, and mail data MUST be
+   discarded, and all buffers and state tables cleared.  The receiver
+   MUST send a "250 OK" reply to a RSET command with no arguments.  A
+   reset command may be issued by the client at any time.  It is
+   effectively equivalent to a NOOP (i.e., if has no effect) if issued
+   immediately after EHLO, before EHLO is issued in the session, after
+   an end-of-data indicator has been sent and acknowledged, or
+   immediately before a QUIT.  An SMTP server MUST NOT close the
+   connection as the result of receiving a RSET; that action is reserved
+   for QUIT (see section 4.1.1.10).
+
+   Since EHLO implies some additional processing and response by the
+   server, RSET will normally be more efficient than reissuing that
+   command, even though the formal semantics are the same.
+
+   There are circumstances, contrary to the intent of this
+   specification, in which an SMTP server may receive an indication that
+   the underlying TCP connection has been closed or reset.  To preserve
+   the robustness of the mail system, SMTP servers SHOULD be prepared
+   for this condition and SHOULD treat it as if a QUIT had been received
+   before the connection disappeared.
+
+   Syntax:
+      "RSET" CRLF
+
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 34]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+4.1.1.6 VERIFY (VRFY)
+
+   This command asks the receiver to confirm that the argument
+   identifies a user or mailbox.  If it is a user name, information is
+   returned as specified in section 3.5.
+
+   This command has no effect on the reverse-path buffer, the forward-
+   path buffer, or the mail data buffer.
+
+   Syntax:
+      "VRFY" SP String CRLF
+
+4.1.1.7 EXPAND (EXPN)
+
+   This command asks the receiver to confirm that the argument
+   identifies a mailing list, and if so, to return the membership of
+   that list.  If the command is successful, a reply is returned
+   containing information as described in section 3.5.  This reply will
+   have multiple lines except in the trivial case of a one-member list.
+
+   This command has no effect on the reverse-path buffer, the forward-
+   path buffer, or the mail data buffer and may be issued at any time.
+
+   Syntax:
+      "EXPN" SP String CRLF
+
+4.1.1.8 HELP (HELP)
+
+   This command causes the server to send helpful information to the
+   client.  The command MAY take an argument (e.g., any command name)
+   and return more specific information as a response.
+
+   This command has no effect on the reverse-path buffer, the forward-
+   path buffer, or the mail data buffer and may be issued at any time.
+
+   SMTP servers SHOULD support HELP without arguments and MAY support it
+   with arguments.
+
+   Syntax:
+      "HELP" [ SP String ] CRLF
+
+4.1.1.9 NOOP (NOOP)
+
+   This command does not affect any parameters or previously entered
+   commands.  It specifies no action other than that the receiver send
+   an OK reply.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 35]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   This command has no effect on the reverse-path buffer, the forward-
+   path buffer, or the mail data buffer and may be issued at any time.
+   If a parameter string is specified, servers SHOULD ignore it.
+
+   Syntax:
+      "NOOP" [ SP String ] CRLF
+
+4.1.1.10 QUIT (QUIT)
+
+   This command specifies that the receiver MUST send an OK reply, and
+   then close the transmission channel.
+
+   The receiver MUST NOT intentionally close the transmission channel
+   until it receives and replies to a QUIT command (even if there was an
+   error).  The sender MUST NOT intentionally close the transmission
+   channel until it sends a QUIT command and SHOULD wait until it
+   receives the reply (even if there was an error response to a previous
+   command).  If the connection is closed prematurely due to violations
+   of the above or system or network failure, the server MUST cancel any
+   pending transaction, but not undo any previously completed
+   transaction, and generally MUST act as if the command or transaction
+   in progress had received a temporary error (i.e., a 4yz response).
+
+   The QUIT command may be issued at any time.
+
+   Syntax:
+      "QUIT" CRLF
+
+4.1.2 Command Argument Syntax
+
+   The syntax of the argument fields of the above commands (using the
+   syntax specified in [8] where applicable) is given below.  Some of
+   the productions given below are used only in conjunction with source
+   routes as described in appendix C.  Terminals not defined in this
+   document, such as ALPHA, DIGIT, SP, CR, LF, CRLF, are as defined in
+   the "core" syntax [8 (section 6)] or in the message format syntax
+   [32].
+
+      Reverse-path = Path
+      Forward-path = Path
+      Path = "<" [ A-d-l ":" ] Mailbox ">"
+      A-d-l = At-domain *( "," A-d-l )
+            ; Note that this form, the so-called "source route",
+            ; MUST BE accepted, SHOULD NOT be generated, and SHOULD be
+            ; ignored.
+      At-domain = "@" domain
+      Mail-parameters = esmtp-param *(SP esmtp-param)
+      Rcpt-parameters = esmtp-param *(SP esmtp-param)
+
+
+
+Klensin                     Standards Track                    [Page 36]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      esmtp-param     = esmtp-keyword ["=" esmtp-value]
+      esmtp-keyword   = (ALPHA / DIGIT) *(ALPHA / DIGIT / "-")
+      esmtp-value     = 1*(%d33-60 / %d62-127)
+            ; any CHAR excluding "=", SP, and control characters
+      Keyword  = Ldh-str
+      Argument = Atom
+      Domain = (sub-domain 1*("." sub-domain)) / address-literal
+      sub-domain = Let-dig [Ldh-str]
+
+      address-literal = "[" IPv4-address-literal /
+                            IPv6-address-literal /
+                            General-address-literal "]"
+            ; See section 4.1.3
+
+      Mailbox = Local-part "@" Domain
+
+      Local-part = Dot-string / Quoted-string
+            ; MAY be case-sensitive
+
+      Dot-string = Atom *("." Atom)
+
+      Atom = 1*atext
+
+      Quoted-string = DQUOTE *qcontent DQUOTE
+
+      String = Atom / Quoted-string
+
+   While the above definition for Local-part is relatively permissive,
+   for maximum interoperability, a host that expects to receive mail
+   SHOULD avoid defining mailboxes where the Local-part requires (or
+   uses) the Quoted-string form or where the Local-part is case-
+   sensitive.  For any purposes that require generating or comparing
+   Local-parts (e.g., to specific mailbox names), all quoted forms MUST
+   be treated as equivalent and the sending system SHOULD transmit the
+   form that uses the minimum quoting possible.
+
+   Systems MUST NOT define mailboxes in such a way as to require the use
+   in SMTP of non-ASCII characters (octets with the high order bit set
+   to one) or ASCII "control characters" (decimal value 0-31 and 127).
+   These characters MUST NOT be used in MAIL or RCPT commands or other
+   commands that require mailbox names.
+
+   Note that the backslash, "\", is a quote character, which is used to
+   indicate that the next character is to be used literally (instead of
+   its normal interpretation).  For example, "Joe\,Smith" indicates a
+   single nine character user field with the comma being the fourth
+   character of the field.
+
+
+
+
+Klensin                     Standards Track                    [Page 37]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   To promote interoperability and consistent with long-standing
+   guidance about conservative use of the DNS in naming and applications
+   (e.g., see section 2.3.1 of the base DNS document, RFC1035 [22]),
+   characters outside the set of alphas, digits, and hyphen MUST NOT
+   appear in domain name labels for SMTP clients or servers.  In
+   particular, the underscore character is not permitted.  SMTP servers
+   that receive a command in which invalid character codes have been
+   employed, and for which there are no other reasons for rejection,
+   MUST reject that command with a 501 response.
+
+4.1.3 Address Literals
+
+   Sometimes a host is not known to the domain name system and
+   communication (and, in particular, communication to report and repair
+   the error) is blocked.  To bypass this barrier a special literal form
+   of the address is allowed as an alternative to a domain name.  For
+   IPv4 addresses, this form uses four small decimal integers separated
+   by dots and enclosed by brackets such as [123.255.37.2], which
+   indicates an (IPv4) Internet Address in sequence-of-octets form.  For
+   IPv6 and other forms of addressing that might eventually be
+   standardized, the form consists of a standardized "tag" that
+   identifies the address syntax, a colon, and the address itself, in a
+   format specified as part of the IPv6 standards [17].
+
+   Specifically:
+
+      IPv4-address-literal = Snum 3("." Snum)
+      IPv6-address-literal = "IPv6:" IPv6-addr
+      General-address-literal = Standardized-tag ":" 1*dcontent
+      Standardized-tag = Ldh-str
+            ; MUST be specified in a standards-track RFC
+            ; and registered with IANA
+
+      Snum = 1*3DIGIT  ; representing a decimal integer
+            ; value in the range 0 through 255
+      Let-dig = ALPHA / DIGIT
+      Ldh-str = *( ALPHA / DIGIT / "-" ) Let-dig
+
+      IPv6-addr = IPv6-full / IPv6-comp / IPv6v4-full / IPv6v4-comp
+      IPv6-hex  = 1*4HEXDIG
+      IPv6-full = IPv6-hex 7(":" IPv6-hex)
+      IPv6-comp = [IPv6-hex *5(":" IPv6-hex)] "::" [IPv6-hex *5(":"
+                 IPv6-hex)]
+            ; The "::" represents at least 2 16-bit groups of zeros
+            ; No more than 6 groups in addition to the "::" may be
+            ; present
+      IPv6v4-full = IPv6-hex 5(":" IPv6-hex) ":" IPv4-address-literal
+      IPv6v4-comp = [IPv6-hex *3(":" IPv6-hex)] "::"
+
+
+
+Klensin                     Standards Track                    [Page 38]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+                   [IPv6-hex *3(":" IPv6-hex) ":"] IPv4-address-literal
+            ; The "::" represents at least 2 16-bit groups of zeros
+            ; No more than 4 groups in addition to the "::" and
+            ; IPv4-address-literal may be present
+
+4.1.4 Order of Commands
+
+   There are restrictions on the order in which these commands may be
+   used.
+
+   A session that will contain mail transactions MUST first be
+   initialized by the use of the EHLO command.  An SMTP server SHOULD
+   accept commands for non-mail transactions (e.g., VRFY or EXPN)
+   without this initialization.
+
+   An EHLO command MAY be issued by a client later in the session.  If
+   it is issued after the session begins, the SMTP server MUST clear all
+   buffers and reset the state exactly as if a RSET command had been
+   issued.  In other words, the sequence of RSET followed immediately by
+   EHLO is redundant, but not harmful other than in the performance cost
+   of executing unnecessary commands.
+
+   If the EHLO command is not acceptable to the SMTP server, 501, 500,
+   or 502 failure replies MUST be returned as appropriate.  The SMTP
+   server MUST stay in the same state after transmitting these replies
+   that it was in before the EHLO was received.
+
+   The SMTP client MUST, if possible, ensure that the domain parameter
+   to the EHLO command is a valid principal host name (not a CNAME or MX
+   name) for its host.  If this is not possible (e.g., when the client's
+   address is dynamically assigned and the client does not have an
+   obvious name), an address literal SHOULD be substituted for the
+   domain name and supplemental information provided that will assist in
+   identifying the client.
+
+   An SMTP server MAY verify that the domain name parameter in the EHLO
+   command actually corresponds to the IP address of the client.
+   However, the server MUST NOT refuse to accept a message for this
+   reason if the verification fails: the information about verification
+   failure is for logging and tracing only.
+
+   The NOOP, HELP, EXPN, VRFY, and RSET commands can be used at any time
+   during a session, or without previously initializing a session.  SMTP
+   servers SHOULD process these normally (that is, not return a 503
+   code) even if no EHLO command has yet been received; clients SHOULD
+   open a session with EHLO before sending these commands.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 39]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   If these rules are followed, the example in RFC 821 that shows "550
+   access denied to you" in response to an EXPN command is incorrect
+   unless an EHLO command precedes the EXPN or the denial of access is
+   based on the client's IP address or other authentication or
+   authorization-determining mechanisms.
+
+   The MAIL command (or the obsolete SEND, SOML, or SAML commands)
+   begins a mail transaction.  Once started, a mail transaction consists
+   of a transaction beginning command, one or more RCPT commands, and a
+   DATA command, in that order.  A mail transaction may be aborted by
+   the RSET (or a new EHLO) command.  There may be zero or more
+   transactions in a session.  MAIL (or SEND, SOML, or SAML) MUST NOT be
+   sent if a mail transaction is already open, i.e., it should be sent
+   only if no mail transaction had been started in the session, or it
+   the previous one successfully concluded with a successful DATA
+   command, or if the previous one was aborted with a RSET.
+
+   If the transaction beginning command argument is not acceptable, a
+   501 failure reply MUST be returned and the SMTP server MUST stay in
+   the same state.  If the commands in a transaction are out of order to
+   the degree that they cannot be processed by the server, a 503 failure
+   reply MUST be returned and the SMTP server MUST stay in the same
+   state.
+
+   The last command in a session MUST be the QUIT command.  The QUIT
+   command cannot be used at any other time in a session, but SHOULD be
+   used by the client SMTP to request connection closure, even when no
+   session opening command was sent and accepted.
+
+4.1.5 Private-use Commands
+
+   As specified in section 2.2.2, commands starting in "X" may be used
+   by bilateral agreement between the client (sending) and server
+   (receiving) SMTP agents.  An SMTP server that does not recognize such
+   a command is expected to reply with "500 Command not recognized".  An
+   extended SMTP server MAY list the feature names associated with these
+   private commands in the response to the EHLO command.
+
+   Commands sent or accepted by SMTP systems that do not start with "X"
+   MUST conform to the requirements of section 2.2.2.
+
+4.2 SMTP Replies
+
+   Replies to SMTP commands serve to ensure the synchronization of
+   requests and actions in the process of mail transfer and to guarantee
+   that the SMTP client always knows the state of the SMTP server.
+   Every command MUST generate exactly one reply.
+
+
+
+
+Klensin                     Standards Track                    [Page 40]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   The details of the command-reply sequence are described in section
+   4.3.
+
+   An SMTP reply consists of a three digit number (transmitted as three
+   numeric characters) followed by some text unless specified otherwise
+   in this document.  The number is for use by automata to determine
+   what state to enter next; the text is for the human user.  The three
+   digits contain enough encoded information that the SMTP client need
+   not examine the text and may either discard it or pass it on to the
+   user, as appropriate.  Exceptions are as noted elsewhere in this
+   document.  In particular, the 220, 221, 251, 421, and 551 reply codes
+   are associated with message text that must be parsed and interpreted
+   by machines.  In the general case, the text may be receiver dependent
+   and context dependent, so there are likely to be varying texts for
+   each reply code.  A discussion of the theory of reply codes is given
+   in section 4.2.1.  Formally, a reply is defined to be the sequence: a
+   three-digit code, <SP>, one line of text, and <CRLF>, or a multiline
+   reply (as defined in section 4.2.1).  Since, in violation of this
+   specification, the text is sometimes not sent, clients which do not
+   receive it SHOULD be prepared to process the code alone (with or
+   without a trailing space character).  Only the EHLO, EXPN, and HELP
+   commands are expected to result in multiline replies in normal
+   circumstances, however, multiline replies are allowed for any
+   command.
+
+   In ABNF, server responses are:
+
+      Greeting = "220 " Domain [ SP text ] CRLF
+      Reply-line = Reply-code [ SP text ] CRLF
+
+   where "Greeting" appears only in the 220 response that announces that
+   the server is opening its part of the connection.
+
+   An SMTP server SHOULD send only the reply codes listed in this
+   document.  An SMTP server SHOULD use the text shown in the examples
+   whenever appropriate.
+
+   An SMTP client MUST determine its actions only by the reply code, not
+   by the text (except for the "change of address" 251 and 551 and, if
+   necessary, 220, 221, and 421 replies); in the general case, any text,
+   including no text at all (although senders SHOULD NOT send bare
+   codes), MUST be acceptable.  The space (blank) following the reply
+   code is considered part of the text.  Whenever possible, a receiver-
+   SMTP SHOULD test the first digit (severity indication) of the reply
+   code.
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 41]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   The list of codes that appears below MUST NOT be construed as
+   permanent.  While the addition of new codes should be a rare and
+   significant activity, with supplemental information in the textual
+   part of the response being preferred, new codes may be added as the
+   result of new Standards or Standards-track specifications.
+   Consequently, a sender-SMTP MUST be prepared to handle codes not
+   specified in this document and MUST do so by interpreting the first
+   digit only.
+
+4.2.1 Reply Code Severities and Theory
+
+   The three digits of the reply each have a special significance.  The
+   first digit denotes whether the response is good, bad or incomplete.
+   An unsophisticated SMTP client, or one that receives an unexpected
+   code, will be able to determine its next action (proceed as planned,
+   redo, retrench, etc.) by examining this first digit.  An SMTP client
+   that wants to know approximately what kind of error occurred (e.g.,
+   mail system error, command syntax error) may examine the second
+   digit.  The third digit and any supplemental information that may be
+   present is reserved for the finest gradation of information.
+
+   There are five values for the first digit of the reply code:
+
+   1yz   Positive Preliminary reply
+      The command has been accepted, but the requested action is being
+      held in abeyance, pending confirmation of the information in this
+      reply.  The SMTP client should send another command specifying
+      whether to continue or abort the action.  Note: unextended SMTP
+      does not have any commands that allow this type of reply, and so
+      does not have continue or abort commands.
+
+   2yz   Positive Completion reply
+      The requested action has been successfully completed.  A new
+      request may be initiated.
+
+   3yz   Positive Intermediate reply
+      The command has been accepted, but the requested action is being
+      held in abeyance, pending receipt of further information.  The
+      SMTP client should send another command specifying this
+      information.  This reply is used in command sequence groups (i.e.,
+      in DATA).
+
+   4yz   Transient Negative Completion reply
+      The command was not accepted, and the requested action did not
+      occur.  However, the error condition is temporary and the action
+      may be requested again.  The sender should return to the beginning
+      of the command sequence (if any).  It is difficult to assign a
+      meaning to "transient" when two different sites (receiver- and
+
+
+
+Klensin                     Standards Track                    [Page 42]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      sender-SMTP agents) must agree on the interpretation.  Each reply
+      in this category might have a different time value, but the SMTP
+      client is encouraged to try again.  A rule of thumb to determine
+      whether a reply fits into the 4yz or the 5yz category (see below)
+      is that replies are 4yz if they can be successful if repeated
+      without any change in command form or in properties of the sender
+      or receiver (that is, the command is repeated identically and the
+      receiver does not put up a new implementation.)
+
+   5yz   Permanent Negative Completion reply
+      The command was not accepted and the requested action did not
+      occur.  The SMTP client is discouraged from repeating the exact
+      request (in the same sequence).  Even some "permanent" error
+      conditions can be corrected, so the human user may want to direct
+      the SMTP client to reinitiate the command sequence by direct
+      action at some point in the future (e.g., after the spelling has
+      been changed, or the user has altered the account status).
+
+   The second digit encodes responses in specific categories:
+
+   x0z   Syntax: These replies refer to syntax errors, syntactically
+      correct commands that do not fit any functional category, and
+      unimplemented or superfluous commands.
+
+   x1z   Information:  These are replies to requests for information,
+      such as status or help.
+
+   x2z   Connections: These are replies referring to the transmission
+      channel.
+
+   x3z   Unspecified.
+
+   x4z   Unspecified.
+
+   x5z   Mail system: These replies indicate the status of the receiver
+      mail system vis-a-vis the requested transfer or other mail system
+      action.
+
+   The third digit gives a finer gradation of meaning in each category
+   specified by the second digit.  The list of replies illustrates this.
+   Each reply text is recommended rather than mandatory, and may even
+   change according to the command with which it is associated.  On the
+   other hand, the reply codes must strictly follow the specifications
+   in this section.  Receiver implementations should not invent new
+   codes for slightly different situations from the ones described here,
+   but rather adapt codes already defined.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 43]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   For example, a command such as NOOP, whose successful execution does
+   not offer the SMTP client any new information, will return a 250
+   reply.  The reply is 502 when the command requests an unimplemented
+   non-site-specific action.  A refinement of that is the 504 reply for
+   a command that is implemented, but that requests an unimplemented
+   parameter.
+
+   The reply text may be longer than a single line; in these cases the
+   complete text must be marked so the SMTP client knows when it can
+   stop reading the reply.  This requires a special format to indicate a
+   multiple line reply.
+
+   The format for multiline replies requires that every line, except the
+   last, begin with the reply code, followed immediately by a hyphen,
+   "-" (also known as minus), followed by text.  The last line will
+   begin with the reply code, followed immediately by <SP>, optionally
+   some text, and <CRLF>.  As noted above, servers SHOULD send the <SP>
+   if subsequent text is not sent, but clients MUST be prepared for it
+   to be omitted.
+
+   For example:
+
+      123-First line
+      123-Second line
+      123-234 text beginning with numbers
+      123 The last line
+
+   In many cases the SMTP client then simply needs to search for a line
+   beginning with the reply code followed by <SP> or <CRLF> and ignore
+   all preceding lines.  In a few cases, there is important data for the
+   client in the reply "text".  The client will be able to identify
+   these cases from the current context.
+
+4.2.2 Reply Codes by Function Groups
+
+      500 Syntax error, command unrecognized
+         (This may include errors such as command line too long)
+      501 Syntax error in parameters or arguments
+      502 Command not implemented  (see section 4.2.4)
+      503 Bad sequence of commands
+      504 Command parameter not implemented
+
+      211 System status, or system help reply
+      214 Help message
+         (Information on how to use the receiver or the meaning of a
+         particular non-standard command; this reply is useful only
+         to the human user)
+
+
+
+
+Klensin                     Standards Track                    [Page 44]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      220 <domain> Service ready
+      221 <domain> Service closing transmission channel
+      421 <domain> Service not available, closing transmission channel
+         (This may be a reply to any command if the service knows it
+         must shut down)
+
+      250 Requested mail action okay, completed
+      251 User not local; will forward to <forward-path>
+         (See section 3.4)
+      252 Cannot VRFY user, but will accept message and attempt
+          delivery
+         (See section 3.5.3)
+      450 Requested mail action not taken: mailbox unavailable
+         (e.g., mailbox busy)
+      550 Requested action not taken: mailbox unavailable
+         (e.g., mailbox not found, no access, or command rejected
+         for policy reasons)
+      451 Requested action aborted: error in processing
+      551 User not local; please try <forward-path>
+         (See section 3.4)
+      452 Requested action not taken: insufficient system storage
+      552 Requested mail action aborted: exceeded storage allocation
+      553 Requested action not taken: mailbox name not allowed
+         (e.g., mailbox syntax incorrect)
+      354 Start mail input; end with <CRLF>.<CRLF>
+      554 Transaction failed (Or, in the case of a connection-opening
+          response, "No SMTP service here")
+
+4.2.3  Reply Codes in Numeric Order
+
+      211 System status, or system help reply
+      214 Help message
+         (Information on how to use the receiver or the meaning of a
+         particular non-standard command; this reply is useful only
+         to the human user)
+      220 <domain> Service ready
+      221 <domain> Service closing transmission channel
+      250 Requested mail action okay, completed
+      251 User not local; will forward to <forward-path>
+         (See section 3.4)
+      252 Cannot VRFY user, but will accept message and attempt
+         delivery
+         (See section 3.5.3)
+
+      354 Start mail input; end with <CRLF>.<CRLF>
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 45]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      421 <domain> Service not available, closing transmission channel
+         (This may be a reply to any command if the service knows it
+         must shut down)
+      450 Requested mail action not taken: mailbox unavailable
+         (e.g., mailbox busy)
+      451 Requested action aborted: local error in processing
+      452 Requested action not taken: insufficient system storage
+      500 Syntax error, command unrecognized
+         (This may include errors such as command line too long)
+      501 Syntax error in parameters or arguments
+      502 Command not implemented (see section 4.2.4)
+      503 Bad sequence of commands
+      504 Command parameter not implemented
+      550 Requested action not taken: mailbox unavailable
+         (e.g., mailbox not found, no access, or command rejected
+         for policy reasons)
+      551 User not local; please try <forward-path>
+         (See section 3.4)
+      552 Requested mail action aborted: exceeded storage allocation
+      553 Requested action not taken: mailbox name not allowed
+         (e.g., mailbox syntax incorrect)
+      554 Transaction failed  (Or, in the case of a connection-opening
+          response, "No SMTP service here")
+
+4.2.4 Reply Code 502
+
+   Questions have been raised as to when reply code 502 (Command not
+   implemented) SHOULD be returned in preference to other codes.  502
+   SHOULD be used when the command is actually recognized by the SMTP
+   server, but not implemented.  If the command is not recognized, code
+   500 SHOULD be returned.  Extended SMTP systems MUST NOT list
+   capabilities in response to EHLO for which they will return 502 (or
+   500) replies.
+
+4.2.5 Reply Codes After DATA and the Subsequent <CRLF>.<CRLF>
+
+   When an SMTP server returns a positive completion status (2yz code)
+   after the DATA command is completed with <CRLF>.<CRLF>, it accepts
+   responsibility for:
+
+   -  delivering the message (if the recipient mailbox exists), or
+
+   -  if attempts to deliver the message fail due to transient
+      conditions, retrying delivery some reasonable number of times at
+      intervals as specified in section 4.5.4.
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 46]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   -  if attempts to deliver the message fail due to permanent
+      conditions, or if repeated attempts to deliver the message fail
+      due to transient conditions, returning appropriate notification to
+      the sender of the original message (using the address in the SMTP
+      MAIL command).
+
+   When an SMTP server returns a permanent error status (5yz) code after
+   the DATA command is completed with <CRLF>.<CRLF>, it MUST NOT make
+   any subsequent attempt to deliver that message.  The SMTP client
+   retains responsibility for delivery of that message and may either
+   return it to the user or requeue it for a subsequent attempt (see
+   section 4.5.4.1).
+
+   The user who originated the message SHOULD be able to interpret the
+   return of a transient failure status (by mail message or otherwise)
+   as a non-delivery indication, just as a permanent failure would be
+   interpreted.  I.e., if the client SMTP successfully handles these
+   conditions, the user will not receive such a reply.
+
+   When an SMTP server returns a permanent error status (5yz) code after
+   the DATA command is completely with <CRLF>.<CRLF>, it MUST NOT make
+   any subsequent attempt to deliver the message.  As with temporary
+   error status codes, the SMTP client retains responsibility for the
+   message, but SHOULD not again attempt delivery to the same server
+   without user review and intervention of the message.
+
+4.3 Sequencing of Commands and Replies
+
+4.3.1 Sequencing Overview
+
+   The communication between the sender and receiver is an alternating
+   dialogue, controlled by the sender.  As such, the sender issues a
+   command and the receiver responds with a reply.  Unless other
+   arrangements are negotiated through service extensions, the sender
+   MUST wait for this response before sending further commands.
+
+   One important reply is the connection greeting.  Normally, a receiver
+   will send a 220 "Service ready" reply when the connection is
+   completed.  The sender SHOULD wait for this greeting message before
+   sending any commands.
+
+   Note: all the greeting-type replies have the official name (the
+   fully-qualified primary domain name) of the server host as the first
+   word following the reply code.  Sometimes the host will have no
+   meaningful name.  See 4.1.3 for a discussion of alternatives in these
+   situations.
+
+
+
+
+
+Klensin                     Standards Track                    [Page 47]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   For example,
+
+      220 ISIF.USC.EDU Service ready
+   or
+      220 mail.foo.com SuperSMTP v 6.1.2 Service ready
+   or
+      220 [10.0.0.1] Clueless host service ready
+
+   The table below lists alternative success and failure replies for
+   each command.  These SHOULD be strictly adhered to: a receiver may
+   substitute text in the replies, but the meaning and action implied by
+   the code numbers and by the specific command reply sequence cannot be
+   altered.
+
+4.3.2 Command-Reply Sequences
+
+   Each command is listed with its usual possible replies.  The prefixes
+   used before the possible replies are "I" for intermediate, "S" for
+   success, and "E" for error.  Since some servers may generate other
+   replies under special circumstances, and to allow for future
+   extension, SMTP clients SHOULD, when possible, interpret only the
+   first digit of the reply and MUST be prepared to deal with
+   unrecognized reply codes by interpreting the first digit only.
+   Unless extended using the mechanisms described in section 2.2, SMTP
+   servers MUST NOT transmit reply codes to an SMTP client that are
+   other than three digits or that do not start in a digit between 2 and
+   5 inclusive.
+
+   These sequencing rules and, in principle, the codes themselves, can
+   be extended or modified by SMTP extensions offered by the server and
+   accepted (requested) by the client.
+
+   In addition to the codes listed below, any SMTP command can return
+   any of the following codes if the corresponding unusual circumstances
+   are encountered:
+
+   500  For the "command line too long" case or if the command name was
+      not recognized.  Note that producing a "command not recognized"
+      error in response to the required subset of these commands is a
+      violation of this specification.
+
+   501  Syntax error in command or arguments.  In order to provide for
+      future extensions, commands that are specified in this document as
+      not accepting arguments (DATA, RSET, QUIT) SHOULD return a 501
+      message if arguments are supplied in the absence of EHLO-
+      advertised extensions.
+
+   421  Service shutting down and closing transmission channel
+
+
+
+Klensin                     Standards Track                    [Page 48]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   Specific sequences are:
+
+   CONNECTION ESTABLISHMENT
+      S: 220
+      E: 554
+   EHLO or HELO
+      S: 250
+      E: 504, 550
+   MAIL
+      S: 250
+      E: 552, 451, 452, 550, 553, 503
+   RCPT
+      S: 250, 251 (but see section 3.4 for discussion of 251 and 551)
+      E: 550, 551, 552, 553, 450, 451, 452, 503, 550
+   DATA
+      I: 354 -> data -> S: 250
+                        E: 552, 554, 451, 452
+      E: 451, 554, 503
+   RSET
+      S: 250
+   VRFY
+      S: 250, 251, 252
+      E: 550, 551, 553, 502, 504
+   EXPN
+      S: 250, 252
+      E: 550, 500, 502, 504
+   HELP
+      S: 211, 214
+      E: 502, 504
+   NOOP
+      S: 250
+   QUIT
+      S: 221
+
+4.4 Trace Information
+
+   When an SMTP server receives a message for delivery or further
+   processing, it MUST insert trace ("time stamp" or "Received")
+   information at the beginning of the message content, as discussed in
+   section 4.1.1.4.
+
+   This line MUST be structured as follows:
+
+   -  The FROM field, which MUST be supplied in an SMTP environment,
+      SHOULD contain both (1) the name of the source host as presented
+      in the EHLO command and (2) an address literal containing the IP
+      address of the source, determined from the TCP connection.
+
+
+
+
+Klensin                     Standards Track                    [Page 49]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   -  The ID field MAY contain an "@" as suggested in RFC 822, but this
+      is not required.
+
+   -  The FOR field MAY contain a list of <path> entries when multiple
+      RCPT commands have been given.  This may raise some security
+      issues and is usually not desirable; see section 7.2.
+
+   An Internet mail program MUST NOT change a Received: line that was
+   previously added to the message header.  SMTP servers MUST prepend
+   Received lines to messages; they MUST NOT change the order of
+   existing lines or insert Received lines in any other location.
+
+   As the Internet grows, comparability of Received fields is important
+   for detecting problems, especially slow relays.  SMTP servers that
+   create Received fields SHOULD use explicit offsets in the dates
+   (e.g., -0800), rather than time zone names of any type.  Local time
+   (with an offset) is preferred to UT when feasible.  This formulation
+   allows slightly more information about local circumstances to be
+   specified.  If UT is needed, the receiver need merely do some simple
+   arithmetic to convert the values.  Use of UT loses information about
+   the time zone-location of the server.  If it is desired to supply a
+   time zone name, it SHOULD be included in a comment.
+
+   When the delivery SMTP server makes the "final delivery" of a
+   message, it inserts a return-path line at the beginning of the mail
+   data.  This use of return-path is required; mail systems MUST support
+   it.  The return-path line preserves the information in the <reverse-
+   path> from the MAIL command.  Here, final delivery means the message
+   has left the SMTP environment.  Normally, this would mean it had been
+   delivered to the destination user or an associated mail drop, but in
+   some cases it may be further processed and transmitted by another
+   mail system.
+
+   It is possible for the mailbox in the return path to be different
+   from the actual sender's mailbox, for example, if error responses are
+   to be delivered to a special error handling mailbox rather than to
+   the message sender.  When mailing lists are involved, this
+   arrangement is common and useful as a means of directing errors to
+   the list maintainer rather than the message originator.
+
+   The text above implies that the final mail data will begin with a
+   return path line, followed by one or more time stamp lines.  These
+   lines will be followed by the mail data headers and body [32].
+
+   It is sometimes difficult for an SMTP server to determine whether or
+   not it is making final delivery since forwarding or other operations
+   may occur after the message is accepted for delivery.  Consequently,
+
+
+
+
+Klensin                     Standards Track                    [Page 50]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   any further (forwarding, gateway, or relay) systems MAY remove the
+   return path and rebuild the MAIL command as needed to ensure that
+   exactly one such line appears in a delivered message.
+
+   A message-originating SMTP system SHOULD NOT send a message that
+   already contains a Return-path header.  SMTP servers performing a
+   relay function MUST NOT inspect the message data, and especially not
+   to the extent needed to determine if Return-path headers are present.
+   SMTP servers making final delivery MAY remove Return-path headers
+   before adding their own.
+
+   The primary purpose of the Return-path is to designate the address to
+   which messages indicating non-delivery or other mail system failures
+   are to be sent.  For this to be unambiguous, exactly one return path
+   SHOULD be present when the message is delivered.  Systems using RFC
+   822 syntax with non-SMTP transports SHOULD designate an unambiguous
+   address, associated with the transport envelope, to which error
+   reports (e.g., non-delivery messages) should be sent.
+
+   Historical note: Text in RFC 822 that appears to contradict the use
+   of the Return-path header (or the envelope reverse path address from
+   the MAIL command) as the destination for error messages is not
+   applicable on the Internet.  The reverse path address (as copied into
+   the Return-path) MUST be used as the target of any mail containing
+   delivery error messages.
+
+   In particular:
+
+   -  a gateway from SMTP->elsewhere SHOULD insert a return-path header,
+      unless it is known that the "elsewhere" transport also uses
+      Internet domain addresses and maintains the envelope sender
+      address separately.
+
+   -  a gateway from elsewhere->SMTP SHOULD delete any return-path
+      header present in the message, and either copy that information to
+      the SMTP envelope or combine it with information present in the
+      envelope of the other transport system to construct the reverse
+      path argument to the MAIL command in the SMTP envelope.
+
+   The server must give special treatment to cases in which the
+   processing following the end of mail data indication is only
+   partially successful.  This could happen if, after accepting several
+   recipients and the mail data, the SMTP server finds that the mail
+   data could be successfully delivered to some, but not all, of the
+   recipients.  In such cases, the response to the DATA command MUST be
+   an OK reply.  However, the SMTP server MUST compose and send an
+   "undeliverable mail" notification message to the originator of the
+   message.
+
+
+
+Klensin                     Standards Track                    [Page 51]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   A single notification listing all of the failed recipients or
+   separate notification messages MUST be sent for each failed
+   recipient.  For economy of processing by the sender, the former is
+   preferred when possible.  All undeliverable mail notification
+   messages are sent using the MAIL command (even if they result from
+   processing the obsolete SEND, SOML, or SAML commands) and use a null
+   return path as discussed in section 3.7.
+
+   The time stamp line and the return path line are formally defined as
+   follows:
+
+Return-path-line = "Return-Path:" FWS Reverse-path <CRLF>
+
+Time-stamp-line = "Received:" FWS Stamp <CRLF>
+
+Stamp = From-domain By-domain Opt-info ";"  FWS date-time
+
+      ; where "date-time" is as defined in [32]
+      ; but the "obs-" forms, especially two-digit
+      ; years, are prohibited in SMTP and MUST NOT be used.
+
+From-domain = "FROM" FWS Extended-Domain CFWS
+
+By-domain = "BY" FWS Extended-Domain CFWS
+
+Extended-Domain = Domain /
+           ( Domain FWS "(" TCP-info ")" ) /
+           ( Address-literal FWS "(" TCP-info ")" )
+
+TCP-info = Address-literal / ( Domain FWS Address-literal )
+      ; Information derived by server from TCP connection
+      ; not client EHLO.
+
+Opt-info = [Via] [With] [ID] [For]
+
+Via = "VIA" FWS Link CFWS
+
+With = "WITH" FWS Protocol CFWS
+
+ID = "ID" FWS String / msg-id CFWS
+
+For = "FOR" FWS 1*( Path / Mailbox ) CFWS
+
+Link = "TCP" / Addtl-Link
+Addtl-Link = Atom
+      ; Additional standard names for links are registered with the
+         ; Internet Assigned Numbers Authority (IANA).  "Via" is
+         ; primarily of value with non-Internet transports.  SMTP
+
+
+
+Klensin                     Standards Track                    [Page 52]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+         ; servers SHOULD NOT use unregistered names.
+Protocol = "ESMTP" / "SMTP" / Attdl-Protocol
+Attdl-Protocol = Atom
+      ; Additional standard names for protocols are registered with the
+         ; Internet Assigned Numbers Authority (IANA).  SMTP servers
+         ; SHOULD NOT use unregistered names.
+
+4.5 Additional Implementation Issues
+
+4.5.1 Minimum Implementation
+
+   In order to make SMTP workable, the following minimum implementation
+   is required for all receivers.  The following commands MUST be
+   supported to conform to this specification:
+
+      EHLO
+      HELO
+      MAIL
+      RCPT
+      DATA
+      RSET
+      NOOP
+      QUIT
+      VRFY
+
+   Any system that includes an SMTP server supporting mail relaying or
+   delivery MUST support the reserved mailbox "postmaster" as a case-
+   insensitive local name.  This postmaster address is not strictly
+   necessary if the server always returns 554 on connection opening (as
+   described in section 3.1).  The requirement to accept mail for
+   postmaster implies that RCPT commands which specify a mailbox for
+   postmaster at any of the domains for which the SMTP server provides
+   mail service, as well as the special case of "RCPT TO:<Postmaster>"
+   (with no domain specification), MUST be supported.
+
+   SMTP systems are expected to make every reasonable effort to accept
+   mail directed to Postmaster from any other system on the Internet.
+   In extreme cases --such as to contain a denial of service attack or
+   other breach of security-- an SMTP server may block mail directed to
+   Postmaster.  However, such arrangements SHOULD be narrowly tailored
+   so as to avoid blocking messages which are not part of such attacks.
+
+4.5.2 Transparency
+
+   Without some provision for data transparency, the character sequence
+   "<CRLF>.<CRLF>" ends the mail text and cannot be sent by the user.
+   In general, users are not aware of such "forbidden" sequences.  To
+
+
+
+
+Klensin                     Standards Track                    [Page 53]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   allow all user composed text to be transmitted transparently, the
+   following procedures are used:
+
+   -  Before sending a line of mail text, the SMTP client checks the
+      first character of the line.  If it is a period, one additional
+      period is inserted at the beginning of the line.
+
+   -  When a line of mail text is received by the SMTP server, it checks
+      the line.  If the line is composed of a single period, it is
+      treated as the end of mail indicator.  If the first character is a
+      period and there are other characters on the line, the first
+      character is deleted.
+
+   The mail data may contain any of the 128 ASCII characters.  All
+   characters are to be delivered to the recipient's mailbox, including
+   spaces, vertical and horizontal tabs, and other control characters.
+   If the transmission channel provides an 8-bit byte (octet) data
+   stream, the 7-bit ASCII codes are transmitted right justified in the
+   octets, with the high order bits cleared to zero.  See 3.7 for
+   special treatment of these conditions in SMTP systems serving a relay
+   function.
+
+   In some systems it may be necessary to transform the data as it is
+   received and stored.  This may be necessary for hosts that use a
+   different character set than ASCII as their local character set, that
+   store data in records rather than strings, or which use special
+   character sequences as delimiters inside mailboxes.  If such
+   transformations are necessary, they MUST be reversible, especially if
+   they are applied to mail being relayed.
+
+4.5.3 Sizes and Timeouts
+
+4.5.3.1 Size limits and minimums
+
+   There are several objects that have required minimum/maximum sizes.
+   Every implementation MUST be able to receive objects of at least
+   these sizes.  Objects larger than these sizes SHOULD be avoided when
+   possible.  However, some Internet mail constructs such as encoded
+   X.400 addresses [16] will often require larger objects: clients MAY
+   attempt to transmit these, but MUST be prepared for a server to
+   reject them if they cannot be handled by it.  To the maximum extent
+   possible, implementation techniques which impose no limits on the
+   length of these objects should be used.
+
+   local-part
+      The maximum total length of a user name or other local-part is 64
+      characters.
+
+
+
+
+Klensin                     Standards Track                    [Page 54]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   domain
+      The maximum total length of a domain name or number is 255
+      characters.
+
+   path
+      The maximum total length of a reverse-path or forward-path is 256
+      characters (including the punctuation and element separators).
+
+   command line
+      The maximum total length of a command line including the command
+      word and the <CRLF> is 512 characters.  SMTP extensions may be
+      used to increase this limit.
+
+   reply line
+      The maximum total length of a reply line including the reply code
+      and the <CRLF> is 512 characters.  More information may be
+      conveyed through multiple-line replies.
+
+   text line
+      The maximum total length of a text line including the <CRLF> is
+      1000 characters (not counting the leading dot duplicated for
+      transparency).  This number may be increased by the use of SMTP
+      Service Extensions.
+
+   message content
+      The maximum total length of a message content (including any
+      message headers as well as the message body) MUST BE at least 64K
+      octets.  Since the introduction of Internet standards for
+      multimedia mail [12], message lengths on the Internet have grown
+      dramatically, and message size restrictions should be avoided if
+      at all possible.  SMTP server systems that must impose
+      restrictions SHOULD implement the "SIZE" service extension [18],
+      and SMTP client systems that will send large messages SHOULD
+      utilize it when possible.
+
+   recipients buffer
+      The minimum total number of recipients that must be buffered is
+      100 recipients.  Rejection of messages (for excessive recipients)
+      with fewer than 100 RCPT commands is a violation of this
+      specification.  The general principle that relaying SMTP servers
+      MUST NOT, and delivery SMTP servers SHOULD NOT, perform validation
+      tests on message headers suggests that rejecting a message based
+      on the total number of recipients shown in header fields is to be
+      discouraged.  A server which imposes a limit on the number of
+      recipients MUST behave in an orderly fashion,  such as to reject
+      additional addresses over its limit rather than silently
+      discarding addresses previously accepted.  A client that needs to
+
+
+
+
+Klensin                     Standards Track                    [Page 55]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      deliver a message containing over 100 RCPT commands SHOULD be
+      prepared to transmit in 100-recipient "chunks" if the server
+      declines to accept more than 100 recipients in a single message.
+
+   Errors due to exceeding these limits may be reported by using the
+   reply codes.  Some examples of reply codes are:
+
+      500 Line too long.
+   or
+      501 Path too long
+   or
+      452 Too many recipients  (see below)
+   or
+      552 Too much mail data.
+
+   RFC 821 [30] incorrectly listed the error where an SMTP server
+   exhausts its implementation limit on the number of RCPT commands
+   ("too many recipients") as having reply code 552.  The correct reply
+   code for this condition is 452.  Clients SHOULD treat a 552 code in
+   this case as a temporary, rather than permanent, failure so the logic
+   below works.
+
+   When a conforming SMTP server encounters this condition, it has at
+   least 100 successful RCPT commands in its recipients buffer.  If the
+   server is able to accept the message, then at least these 100
+   addresses will be removed from the SMTP client's queue.  When the
+   client attempts retransmission of those addresses which received 452
+   responses, at least 100 of these will be able to fit in the SMTP
+   server's recipients buffer.  Each retransmission attempt which is
+   able to deliver anything will be able to dispose of at least 100 of
+   these recipients.
+
+   If an SMTP server has an implementation limit on the number of RCPT
+   commands and this limit is exhausted, it MUST use a response code of
+   452 (but the client SHOULD also be prepared for a 552, as noted
+   above).  If the server has a configured site-policy limitation on the
+   number of RCPT commands, it MAY instead use a 5XX response code.
+   This would be most appropriate if the policy limitation was intended
+   to apply if the total recipient count for a particular message body
+   were enforced even if that message body was sent in multiple mail
+   transactions.
+
+4.5.3.2 Timeouts
+
+   An SMTP client MUST provide a timeout mechanism.  It MUST use per-
+   command timeouts rather than somehow trying to time the entire mail
+   transaction.  Timeouts SHOULD be easily reconfigurable, preferably
+   without recompiling the SMTP code.  To implement this, a timer is set
+
+
+
+Klensin                     Standards Track                    [Page 56]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   for each SMTP command and for each buffer of the data transfer.  The
+   latter means that the overall timeout is inherently proportional to
+   the size of the message.
+
+   Based on extensive experience with busy mail-relay hosts, the minimum
+   per-command timeout values SHOULD be as follows:
+
+   Initial 220 Message: 5 minutes
+      An SMTP client process needs to distinguish between a failed TCP
+      connection and a delay in receiving the initial 220 greeting
+      message.  Many SMTP servers accept a TCP connection but delay
+      delivery of the 220 message until their system load permits more
+      mail to be processed.
+
+   MAIL Command: 5 minutes
+
+   RCPT Command: 5 minutes
+      A longer timeout is required if processing of mailing lists and
+      aliases is not deferred until after the message was accepted.
+
+   DATA Initiation: 2 minutes
+      This is while awaiting the "354 Start Input" reply to a DATA
+      command.
+
+   Data Block: 3 minutes
+      This is while awaiting the completion of each TCP SEND call
+      transmitting a chunk of data.
+
+   DATA Termination: 10 minutes.
+      This is while awaiting the "250 OK" reply.  When the receiver gets
+      the final period terminating the message data, it typically
+      performs processing to deliver the message to a user mailbox.  A
+      spurious timeout at this point would be very wasteful and would
+      typically result in delivery of multiple copies of the message,
+      since it has been successfully sent and the server has accepted
+      responsibility for delivery.  See section 6.1 for additional
+      discussion.
+
+   An SMTP server SHOULD have a timeout of at least 5 minutes while it
+   is awaiting the next command from the sender.
+
+4.5.4 Retry Strategies
+
+   The common structure of a host SMTP implementation includes user
+   mailboxes, one or more areas for queuing messages in transit, and one
+   or more daemon processes for sending and receiving mail.  The exact
+   structure will vary depending on the needs of the users on the host
+
+
+
+
+Klensin                     Standards Track                    [Page 57]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   and the number and size of mailing lists supported by the host.  We
+   describe several optimizations that have proved helpful, particularly
+   for mailers supporting high traffic levels.
+
+   Any queuing strategy MUST include timeouts on all activities on a
+   per-command basis.  A queuing strategy MUST NOT send error messages
+   in response to error messages under any circumstances.
+
+4.5.4.1 Sending Strategy
+
+   The general model for an SMTP client is one or more processes that
+   periodically attempt to transmit outgoing mail.  In a typical system,
+   the program that composes a message has some method for requesting
+   immediate attention for a new piece of outgoing mail, while mail that
+   cannot be transmitted immediately MUST be queued and periodically
+   retried by the sender.  A mail queue entry will include not only the
+   message itself but also the envelope information.
+
+   The sender MUST delay retrying a particular destination after one
+   attempt has failed.  In general, the retry interval SHOULD be at
+   least 30 minutes; however, more sophisticated and variable strategies
+   will be beneficial when the SMTP client can determine the reason for
+   non-delivery.
+
+   Retries continue until the message is transmitted or the sender gives
+   up; the give-up time generally needs to be at least 4-5 days.  The
+   parameters to the retry algorithm MUST be configurable.
+
+   A client SHOULD keep a list of hosts it cannot reach and
+   corresponding connection timeouts, rather than just retrying queued
+   mail items.
+
+   Experience suggests that failures are typically transient (the target
+   system or its connection has crashed), favoring a policy of two
+   connection attempts in the first hour the message is in the queue,
+   and then backing off to one every two or three hours.
+
+   The SMTP client can shorten the queuing delay in cooperation with the
+   SMTP server.  For example, if mail is received from a particular
+   address, it is likely that mail queued for that host can now be sent.
+   Application of this principle may, in many cases, eliminate the
+   requirement for an explicit "send queues now" function such as ETRN
+   [9].
+
+   The strategy may be further modified as a result of multiple
+   addresses per host (see below) to optimize delivery time vs. resource
+   usage.
+
+
+
+
+Klensin                     Standards Track                    [Page 58]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   An SMTP client may have a large queue of messages for each
+   unavailable destination host.  If all of these messages were retried
+   in every retry cycle, there would be excessive Internet overhead and
+   the sending system would be blocked for a long period.  Note that an
+   SMTP client can generally determine that a delivery attempt has
+   failed only after a timeout of several minutes and even a one-minute
+   timeout per connection will result in a very large delay if retries
+   are repeated for dozens, or even hundreds, of queued messages to the
+   same host.
+
+   At the same time, SMTP clients SHOULD use great care in caching
+   negative responses from servers.  In an extreme case, if EHLO is
+   issued multiple times during the same SMTP connection, different
+   answers may be returned by the server.  More significantly, 5yz
+   responses to the MAIL command MUST NOT be cached.
+
+   When a mail message is to be delivered to multiple recipients, and
+   the SMTP server to which a copy of the message is to be sent is the
+   same for multiple recipients, then only one copy of the message
+   SHOULD be transmitted.  That is, the SMTP client SHOULD use the
+   command sequence:  MAIL, RCPT, RCPT,... RCPT, DATA instead of the
+   sequence: MAIL, RCPT, DATA, ..., MAIL, RCPT, DATA.  However, if there
+   are very many addresses, a limit on the number of RCPT commands per
+   MAIL command MAY be imposed.  Implementation of this efficiency
+   feature is strongly encouraged.
+
+   Similarly, to achieve timely delivery, the SMTP client MAY support
+   multiple concurrent outgoing mail transactions.  However, some limit
+   may be appropriate to protect the host from devoting all its
+   resources to mail.
+
+4.5.4.2 Receiving Strategy
+
+   The SMTP server SHOULD attempt to keep a pending listen on the SMTP
+   port at all times.  This requires the support of multiple incoming
+   TCP connections for SMTP.  Some limit MAY be imposed but servers that
+   cannot handle more than one SMTP transaction at a time are not in
+   conformance with the intent of this specification.
+
+   As discussed above, when the SMTP server receives mail from a
+   particular host address, it could activate its own SMTP queuing
+   mechanisms to retry any mail pending for that host address.
+
+4.5.5   Messages with a null reverse-path
+
+   There are several types of notification messages which are required
+   by existing and proposed standards to be sent with a null reverse
+   path, namely non-delivery notifications as discussed in section 3.7,
+
+
+
+Klensin                     Standards Track                    [Page 59]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   other kinds of Delivery Status Notifications (DSNs) [24], and also
+   Message Disposition Notifications (MDNs) [10].  All of these kinds of
+   messages are notifications about a previous message, and they are
+   sent to the reverse-path of the previous mail message.  (If the
+   delivery of such a notification message fails, that usually indicates
+   a problem with the mail system of the host to which the notification
+   message is addressed.  For this reason, at some hosts the MTA is set
+   up to forward such failed notification messages to someone who is
+   able to fix problems with the mail system, e.g., via the postmaster
+   alias.)
+
+   All other types of messages (i.e., any message which is not required
+   by a standards-track RFC to have a null reverse-path) SHOULD be sent
+   with with a valid, non-null reverse-path.
+
+   Implementors of automated email processors should be careful to make
+   sure that the various kinds of messages with null reverse-path are
+   handled correctly, in particular such systems SHOULD NOT reply to
+   messages with null reverse-path.
+
+5. Address Resolution and Mail Handling
+
+   Once an SMTP client lexically identifies a domain to which mail will
+   be delivered for processing (as described in sections 3.6 and 3.7), a
+   DNS lookup MUST be performed to resolve the domain name [22].  The
+   names are expected to be fully-qualified domain names (FQDNs):
+   mechanisms for inferring FQDNs from partial names or local aliases
+   are outside of this specification and, due to a history of problems,
+   are generally discouraged.  The lookup first attempts to locate an MX
+   record associated with the name.  If a CNAME record is found instead,
+   the resulting name is processed as if it were the initial name.  If
+   no MX records are found, but an A RR is found, the A RR is treated as
+   if it was associated with an implicit MX RR, with a preference of 0,
+   pointing to that host.  If one or more MX RRs are found for a given
+   name, SMTP systems MUST NOT utilize any A RRs associated with that
+   name unless they are located using the MX RRs; the "implicit MX" rule
+   above applies only if there are no MX records present.  If MX records
+   are present, but none of them are usable, this situation MUST be
+   reported as an error.
+
+   When the lookup succeeds, the mapping can result in a list of
+   alternative delivery addresses rather than a single address, because
+   of multiple MX records, multihoming, or both.  To provide reliable
+   mail transmission, the SMTP client MUST be able to try (and retry)
+   each of the relevant addresses in this list in order, until a
+   delivery attempt succeeds.  However, there MAY also be a configurable
+   limit on the number of alternate addresses that can be tried.  In any
+   case, the SMTP client SHOULD try at least two addresses.
+
+
+
+Klensin                     Standards Track                    [Page 60]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   Two types of information is used to rank the host addresses: multiple
+   MX records, and multihomed hosts.
+
+   Multiple MX records contain a preference indication that MUST be used
+   in sorting (see below).  Lower numbers are more preferred than higher
+   ones.  If there are multiple destinations with the same preference
+   and there is no clear reason to favor one (e.g., by recognition of an
+   easily-reached address), then the sender-SMTP MUST randomize them to
+   spread the load across multiple mail exchangers for a specific
+   organization.
+
+   The destination host (perhaps taken from the preferred MX record) may
+   be multihomed, in which case the domain name resolver will return a
+   list of alternative IP addresses.  It is the responsibility of the
+   domain name resolver interface to have ordered this list by
+   decreasing preference if necessary, and SMTP MUST try them in the
+   order presented.
+
+   Although the capability to try multiple alternative addresses is
+   required, specific installations may want to limit or disable the use
+   of alternative addresses.  The question of whether a sender should
+   attempt retries using the different addresses of a multihomed host
+   has been controversial.  The main argument for using the multiple
+   addresses is that it maximizes the probability of timely delivery,
+   and indeed sometimes the probability of any delivery; the counter-
+   argument is that it may result in unnecessary resource use.  Note
+   that resource use is also strongly determined by the sending strategy
+   discussed in section 4.5.4.1.
+
+   If an SMTP server receives a message with a destination for which it
+   is a designated Mail eXchanger, it MAY relay the message (potentially
+   after having rewritten the MAIL FROM and/or RCPT TO addresses), make
+   final delivery of the message, or hand it off using some mechanism
+   outside the SMTP-provided transport environment.  Of course, neither
+   of the latter require that the list of MX records be examined
+   further.
+
+   If it determines that it should relay the message without rewriting
+   the address, it MUST sort the MX records to determine candidates for
+   delivery.  The records are first ordered by preference, with the
+   lowest-numbered records being most preferred.  The relay host MUST
+   then inspect the list for any of the names or addresses by which it
+   might be known in mail transactions.  If a matching record is found,
+   all records at that preference level and higher-numbered ones MUST be
+   discarded from consideration.  If there are no records left at that
+   point, it is an error condition, and the message MUST be returned as
+   undeliverable.  If records do remain, they SHOULD be tried, best
+   preference first, as described above.
+
+
+
+Klensin                     Standards Track                    [Page 61]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+6. Problem Detection and Handling
+
+6.1 Reliable Delivery and Replies by Email
+
+   When the receiver-SMTP accepts a piece of mail (by sending a "250 OK"
+   message in response to DATA), it is accepting responsibility for
+   delivering or relaying the message.  It must take this responsibility
+   seriously.  It MUST NOT lose the message for frivolous reasons, such
+   as because the host later crashes or because of a predictable
+   resource shortage.
+
+   If there is a delivery failure after acceptance of a message, the
+   receiver-SMTP MUST formulate and mail a notification message.  This
+   notification MUST be sent using a null ("<>") reverse path in the
+   envelope.  The recipient of this notification MUST be the address
+   from the envelope return path (or the Return-Path: line).  However,
+   if this address is null ("<>"), the receiver-SMTP MUST NOT send a
+   notification.  Obviously, nothing in this section can or should
+   prohibit local decisions (i.e., as part of the same system
+   environment as the receiver-SMTP) to log or otherwise transmit
+   information about null address events locally if that is desired.  If
+   the address is an explicit source route, it MUST be stripped down to
+   its final hop.
+
+   For example, suppose that an error notification must be sent for a
+   message that arrived with:
+
+      MAIL FROM:<@a,@b:user@d>
+
+   The notification message MUST be sent using:
+
+      RCPT TO:<user@d>
+
+   Some delivery failures after the message is accepted by SMTP will be
+   unavoidable.  For example, it may be impossible for the receiving
+   SMTP server to validate all the delivery addresses in RCPT command(s)
+   due to a "soft" domain system error, because the target is a mailing
+   list (see earlier discussion of RCPT), or because the server is
+   acting as a relay and has no immediate access to the delivering
+   system.
+
+   To avoid receiving duplicate messages as the result of timeouts, a
+   receiver-SMTP MUST seek to minimize the time required to respond to
+   the final <CRLF>.<CRLF> end of data indicator.  See RFC 1047 [28] for
+   a discussion of this problem.
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 62]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+6.2 Loop Detection
+
+   Simple counting of the number of "Received:" headers in a message has
+   proven to be an effective, although rarely optimal, method of
+   detecting loops in mail systems.  SMTP servers using this technique
+   SHOULD use a large rejection threshold, normally at least 100
+   Received entries.  Whatever mechanisms are used, servers MUST contain
+   provisions for detecting and stopping trivial loops.
+
+6.3 Compensating for Irregularities
+
+   Unfortunately, variations, creative interpretations, and outright
+   violations of Internet mail protocols do occur; some would suggest
+   that they occur quite frequently.  The debate as to whether a well-
+   behaved SMTP receiver or relay should reject a malformed message,
+   attempt to pass it on unchanged, or attempt to repair it to increase
+   the odds of successful delivery (or subsequent reply) began almost
+   with the dawn of structured network mail and shows no signs of
+   abating.  Advocates of rejection claim that attempted repairs are
+   rarely completely adequate and that rejection of bad messages is the
+   only way to get the offending software repaired.  Advocates of
+   "repair" or "deliver no matter what" argue that users prefer that
+   mail go through it if at all possible and that there are significant
+   market pressures in that direction.  In practice, these market
+   pressures may be more important to particular vendors than strict
+   conformance to the standards, regardless of the preference of the
+   actual developers.
+
+   The problems associated with ill-formed messages were exacerbated by
+   the introduction of the split-UA mail reading protocols [3, 26, 5,
+   21].  These protocols have encouraged the use of SMTP as a posting
+   protocol, and SMTP servers as relay systems for these client hosts
+   (which are often only intermittently connected to the Internet).
+   Historically, many of those client machines lacked some of the
+   mechanisms and information assumed by SMTP (and indeed, by the mail
+   format protocol [7]).  Some could not keep adequate track of time;
+   others had no concept of time zones; still others could not identify
+   their own names or addresses; and, of course, none could satisfy the
+   assumptions that underlay RFC 822's conception of authenticated
+   addresses.
+
+   In response to these weak SMTP clients, many SMTP systems now
+   complete messages that are delivered to them in incomplete or
+   incorrect form.  This strategy is generally considered appropriate
+   when the server can identify or authenticate the client, and there
+   are prior agreements between them.  By contrast, there is at best
+   great concern about fixes applied by a relay or delivery SMTP server
+   that has little or no knowledge of the user or client machine.
+
+
+
+Klensin                     Standards Track                    [Page 63]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   The following changes to a message being processed MAY be applied
+   when necessary by an originating SMTP server, or one used as the
+   target of SMTP as an initial posting protocol:
+
+   -  Addition of a message-id field when none appears
+
+   -  Addition of a date, time or time zone when none appears
+
+   -  Correction of addresses to proper FQDN format
+
+   The less information the server has about the client, the less likely
+   these changes are to be correct and the more caution and conservatism
+   should be applied when considering whether or not to perform fixes
+   and how.  These changes MUST NOT be applied by an SMTP server that
+   provides an intermediate relay function.
+
+   In all cases, properly-operating clients supplying correct
+   information are preferred to corrections by the SMTP server.  In all
+   cases, documentation of actions performed by the servers (in trace
+   fields and/or header comments) is strongly encouraged.
+
+7. Security Considerations
+
+7.1 Mail Security and Spoofing
+
+   SMTP mail is inherently insecure in that it is feasible for even
+   fairly casual users to negotiate directly with receiving and relaying
+   SMTP servers and create messages that will trick a naive recipient
+   into believing that they came from somewhere else.  Constructing such
+   a message so that the "spoofed" behavior cannot be detected by an
+   expert is somewhat more difficult, but not sufficiently so as to be a
+   deterrent to someone who is determined and knowledgeable.
+   Consequently, as knowledge of Internet mail increases, so does the
+   knowledge that SMTP mail inherently cannot be authenticated, or
+   integrity checks provided, at the transport level.  Real mail
+   security lies only in end-to-end methods involving the message
+   bodies, such as those which use digital signatures (see [14] and,
+   e.g., PGP [4] or S/MIME [31]).
+
+   Various protocol extensions and configuration options that provide
+   authentication at the transport level (e.g., from an SMTP client to
+   an SMTP server) improve somewhat on the traditional situation
+   described above.  However, unless they are accompanied by careful
+   handoffs of responsibility in a carefully-designed trust environment,
+   they remain inherently weaker than end-to-end mechanisms which use
+   digitally signed messages rather than depending on the integrity of
+   the transport system.
+
+
+
+
+Klensin                     Standards Track                    [Page 64]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   Efforts to make it more difficult for users to set envelope return
+   path and header "From" fields to point to valid addresses other than
+   their own are largely misguided: they frustrate legitimate
+   applications in which mail is sent by one user on behalf of another
+   or in which error (or normal) replies should be directed to a special
+   address.  (Systems that provide convenient ways for users to alter
+   these fields on a per-message basis should attempt to establish a
+   primary and permanent mailbox address for the user so that Sender
+   fields within the message data can be generated sensibly.)
+
+   This specification does not further address the authentication issues
+   associated with SMTP other than to advocate that useful functionality
+   not be disabled in the hope of providing some small margin of
+   protection against an ignorant user who is trying to fake mail.
+
+7.2 "Blind" Copies
+
+   Addresses that do not appear in the message headers may appear in the
+   RCPT commands to an SMTP server for a number of reasons.  The two
+   most common involve the use of a mailing address as a "list exploder"
+   (a single address that resolves into multiple addresses) and the
+   appearance of "blind copies".  Especially when more than one RCPT
+   command is present, and in order to avoid defeating some of the
+   purpose of these mechanisms, SMTP clients and servers SHOULD NOT copy
+   the full set of RCPT command arguments into the headers, either as
+   part of trace headers or as informational or private-extension
+   headers.  Since this rule is often violated in practice, and cannot
+   be enforced, sending SMTP systems that are aware of "bcc" use MAY
+   find it helpful to send each blind copy as a separate message
+   transaction containing only a single RCPT command.
+
+   There is no inherent relationship between either "reverse" (from
+   MAIL, SAML, etc., commands) or "forward" (RCPT) addresses in the SMTP
+   transaction ("envelope") and the addresses in the headers.  Receiving
+   systems SHOULD NOT attempt to deduce such relationships and use them
+   to alter the headers of the message for delivery.  The popular
+   "Apparently-to" header is a violation of this principle as well as a
+   common source of unintended information disclosure and SHOULD NOT be
+   used.
+
+7.3 VRFY, EXPN, and Security
+
+   As discussed in section 3.5, individual sites may want to disable
+   either or both of VRFY or EXPN for security reasons.  As a corollary
+   to the above, implementations that permit this MUST NOT appear to
+   have verified addresses that are not, in fact, verified.  If a site
+
+
+
+
+
+Klensin                     Standards Track                    [Page 65]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   disables these commands for security reasons, the SMTP server MUST
+   return a 252 response, rather than a code that could be confused with
+   successful or unsuccessful verification.
+
+   Returning a 250 reply code with the address listed in the VRFY
+   command after having checked it only for syntax violates this rule.
+   Of course, an implementation that "supports" VRFY by always returning
+   550 whether or not the address is valid is equally not in
+   conformance.
+
+   Within the last few years, the contents of mailing lists have become
+   popular as an address information source for so-called "spammers."
+   The use of EXPN to "harvest" addresses has increased as list
+   administrators have installed protections against inappropriate uses
+   of the lists themselves.  Implementations SHOULD still provide
+   support for EXPN, but sites SHOULD carefully evaluate the tradeoffs.
+   As authentication mechanisms are introduced into SMTP, some sites may
+   choose to make EXPN available only to authenticated requestors.
+
+7.4 Information Disclosure in Announcements
+
+   There has been an ongoing debate about the tradeoffs between the
+   debugging advantages of announcing server type and version (and,
+   sometimes, even server domain name) in the greeting response or in
+   response to the HELP command and the disadvantages of exposing
+   information that might be useful in a potential hostile attack.  The
+   utility of the debugging information is beyond doubt.  Those who
+   argue for making it available point out that it is far better to
+   actually secure an SMTP server rather than hope that trying to
+   conceal known vulnerabilities by hiding the server's precise identity
+   will provide more protection.  Sites are encouraged to evaluate the
+   tradeoff with that issue in mind; implementations are strongly
+   encouraged to minimally provide for making type and version
+   information available in some way to other network hosts.
+
+7.5 Information Disclosure in Trace Fields
+
+   In some circumstances, such as when mail originates from within a LAN
+   whose hosts are not directly on the public Internet, trace
+   ("Received") fields produced in conformance with this specification
+   may disclose host names and similar information that would not
+   normally be available.  This ordinarily does not pose a problem, but
+   sites with special concerns about name disclosure should be aware of
+   it.  Also, the optional FOR clause should be supplied with caution or
+   not at all when multiple recipients are involved lest it
+   inadvertently disclose the identities of "blind copy" recipients to
+   others.
+
+
+
+
+Klensin                     Standards Track                    [Page 66]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+7.6 Information Disclosure in Message Forwarding
+
+   As discussed in section 3.4, use of the 251 or 551 reply codes to
+   identify the replacement address associated with a mailbox may
+   inadvertently disclose sensitive information.  Sites that are
+   concerned about those issues should ensure that they select and
+   configure servers appropriately.
+
+7.7 Scope of Operation of SMTP Servers
+
+   It is a well-established principle that an SMTP server may refuse to
+   accept mail for any operational or technical reason that makes sense
+   to the site providing the server.  However, cooperation among sites
+   and installations makes the Internet possible.  If sites take
+   excessive advantage of the right to reject traffic, the ubiquity of
+   email availability (one of the strengths of the Internet) will be
+   threatened; considerable care should be taken and balance maintained
+   if a site decides to be selective about the traffic it will accept
+   and process.
+
+   In recent years, use of the relay function through arbitrary sites
+   has been used as part of hostile efforts to hide the actual origins
+   of mail.  Some sites have decided to limit the use of the relay
+   function to known or identifiable sources, and implementations SHOULD
+   provide the capability to perform this type of filtering.  When mail
+   is rejected for these or other policy reasons, a 550 code SHOULD be
+   used in response to EHLO, MAIL, or RCPT as appropriate.
+
+8. IANA Considerations
+
+   IANA will maintain three registries in support of this specification.
+   The first consists of SMTP service extensions with the associated
+   keywords, and, as needed, parameters and verbs.  As specified in
+   section 2.2.2, no entry may be made in this registry that starts in
+   an "X".  Entries may be made only for service extensions (and
+   associated keywords, parameters, or verbs) that are defined in
+   standards-track or experimental RFCs specifically approved by the
+   IESG for this purpose.
+
+   The second registry consists of "tags" that identify forms of domain
+   literals other than those for IPv4 addresses (specified in RFC 821
+   and in this document) and IPv6 addresses (specified in this
+   document).  Additional literal types require standardization before
+   being used; none are anticipated at this time.
+
+   The third, established by RFC 821 and renewed by this specification,
+   is a registry of link and protocol identifiers to be used with the
+   "via" and "with" subclauses of the time stamp ("Received: header")
+
+
+
+Klensin                     Standards Track                    [Page 67]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   described in section 4.4.  Link and protocol identifiers in addition
+   to those specified in this document may be registered only by
+   standardization or by way of an RFC-documented, IESG-approved,
+   Experimental protocol extension.
+
+9. References
+
+   [1]  American National Standards Institute (formerly United States of
+        America Standards Institute), X3.4, 1968, "USA Code for
+        Information Interchange". ANSI X3.4-1968 has been replaced by
+        newer versions with slight modifications, but the 1968 version
+        remains definitive for the Internet.
+
+   [2]  Braden, R., "Requirements for Internet hosts - application and
+        support", STD 3, RFC 1123, October 1989.
+
+   [3]  Butler, M., Chase, D., Goldberger, J., Postel, J. and J.
+        Reynolds, "Post Office Protocol - version 2", RFC 937, February
+        1985.
+
+   [4]  Callas, J., Donnerhacke, L., Finney, H. and R. Thayer, "OpenPGP
+        Message Format", RFC 2440, November 1998.
+
+   [5]  Crispin, M., "Interactive Mail Access Protocol - Version 2", RFC
+        1176, August 1990.
+
+   [6]  Crispin, M., "Internet Message Access Protocol - Version 4", RFC
+        2060, December 1996.
+
+   [7]  Crocker, D., "Standard for the Format of ARPA Internet Text
+        Messages", RFC 822, August 1982.
+
+   [8]  Crocker, D. and P. Overell, Eds., "Augmented BNF for Syntax
+        Specifications: ABNF", RFC 2234, November 1997.
+
+   [9]  De Winter, J., "SMTP Service Extension for Remote Message Queue
+        Starting", RFC 1985, August 1996.
+
+   [10] Fajman, R., "An Extensible Message Format for Message
+        Disposition Notifications", RFC 2298, March 1998.
+
+   [11] Freed, N, "Behavior of and Requirements for Internet Firewalls",
+        RFC 2979, October 2000.
+
+   [12] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+        Extensions (MIME) Part One: Format of Internet Message Bodies",
+        RFC 2045, December 1996.
+
+
+
+
+Klensin                     Standards Track                    [Page 68]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   [13] Freed, N., "SMTP Service Extension for Command Pipelining", RFC
+        2920, September 2000.
+
+   [14] Galvin, J., Murphy, S., Crocker, S. and N. Freed, "Security
+        Multiparts for MIME: Multipart/Signed and Multipart/Encrypted",
+        RFC 1847, October 1995.
+
+   [15] Gellens, R. and J. Klensin, "Message Submission", RFC 2476,
+        December 1998.
+
+   [16] Kille, S., "Mapping between X.400 and RFC822/MIME", RFC 2156,
+        January 1998.
+
+   [17] Hinden, R and S. Deering, Eds. "IP Version 6 Addressing
+        Architecture", RFC 2373, July 1998.
+
+   [18] Klensin, J., Freed, N. and K. Moore, "SMTP Service Extension for
+        Message Size Declaration", STD 10, RFC 1870, November 1995.
+
+   [19] Klensin, J., Freed, N., Rose, M., Stefferud, E. and D. Crocker,
+        "SMTP Service Extensions", STD 10, RFC 1869, November 1995.
+
+   [20] Klensin, J., Freed, N., Rose, M., Stefferud, E. and D. Crocker,
+        "SMTP Service Extension for 8bit-MIMEtransport", RFC 1652, July
+        1994.
+
+   [21] Lambert, M., "PCMAIL: A distributed mail system for personal
+        computers", RFC 1056, July 1988.
+
+   [22] Mockapetris, P., "Domain names - implementation and
+        specification", STD 13, RFC 1035, November 1987.
+
+        Mockapetris, P., "Domain names - concepts and facilities", STD
+        13, RFC 1034, November 1987.
+
+   [23] Moore, K., "MIME (Multipurpose Internet Mail Extensions) Part
+        Three: Message Header Extensions for Non-ASCII Text", RFC 2047,
+        December 1996.
+
+   [24] Moore, K., "SMTP Service Extension for Delivery Status
+        Notifications", RFC 1891, January 1996.
+
+   [25] Moore, K., and G. Vaudreuil, "An Extensible Message Format for
+        Delivery Status Notifications", RFC 1894, January 1996.
+
+   [26] Myers, J. and M. Rose, "Post Office Protocol - Version 3", STD
+        53, RFC 1939, May 1996.
+
+
+
+
+Klensin                     Standards Track                    [Page 69]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   [27] Partridge, C., "Mail routing and the domain system", RFC 974,
+        January 1986.
+
+   [28] Partridge, C., "Duplicate messages and SMTP", RFC 1047, February
+        1988.
+
+   [29] Postel, J., ed., "Transmission Control Protocol - DARPA Internet
+        Program Protocol Specification", STD 7, RFC 793, September 1981.
+
+   [30] Postel, J., "Simple Mail Transfer Protocol", RFC 821, August
+        1982.
+
+   [31] Ramsdell, B., Ed., "S/MIME Version 3 Message Specification", RFC
+        2633, June 1999.
+
+   [32] Resnick, P., Ed., "Internet Message Format", RFC 2822, April
+        2001.
+
+   [33] Vaudreuil, G., "SMTP Service Extensions for Transmission of
+        Large and Binary MIME Messages", RFC 1830, August 1995.
+
+   [34] Vaudreuil, G., "Enhanced Mail System Status Codes", RFC 1893,
+        January 1996.
+
+10. Editor's Address
+
+   John C. Klensin
+   AT&T Laboratories
+   99 Bedford St
+   Boston, MA 02111 USA
+
+   Phone: 617-574-3076
+   EMail: klensin@research.att.com
+
+11. Acknowledgments
+
+   Many people worked long and hard on the many iterations of this
+   document.  There was wide-ranging debate in the IETF DRUMS Working
+   Group, both on its mailing list and in face to face discussions,
+   about many technical issues and the role of a revised standard for
+   Internet mail transport, and many contributors helped form the
+   wording in this specification.  The hundreds of participants in the
+   many discussions since RFC 821 was produced are too numerous to
+   mention, but they all helped this document become what it is.
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 70]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+APPENDICES
+
+A. TCP Transport Service
+
+   The TCP connection supports the transmission of 8-bit bytes.  The
+   SMTP data is 7-bit ASCII characters.  Each character is transmitted
+   as an 8-bit byte with the high-order bit cleared to zero.  Service
+   extensions may modify this rule to permit transmission of full 8-bit
+   data bytes as part of the message body, but not in SMTP commands or
+   responses.
+
+B. Generating SMTP Commands from RFC 822 Headers
+
+   Some systems use RFC 822 headers (only) in a mail submission
+   protocol, or otherwise generate SMTP commands from RFC 822 headers
+   when such a message is handed to an MTA from a UA.  While the MTA-UA
+   protocol is a private matter, not covered by any Internet Standard,
+   there are problems with this approach.  For example, there have been
+   repeated problems with proper handling of "bcc" copies and
+   redistribution lists when information that conceptually belongs to a
+   mail envelopes is not separated early in processing from header
+   information (and kept separate).
+
+   It is recommended that the UA provide its initial ("submission
+   client") MTA with an envelope separate from the message itself.
+   However, if the envelope is not supplied, SMTP commands SHOULD be
+   generated as follows:
+
+   1. Each recipient address from a TO, CC, or BCC header field SHOULD
+      be copied to a RCPT command (generating multiple message copies if
+      that is required for queuing or delivery).  This includes any
+      addresses listed in a RFC 822 "group".  Any BCC fields SHOULD then
+      be removed from the headers.  Once this process is completed, the
+      remaining headers SHOULD be checked to verify that at least one
+      To:, Cc:, or Bcc: header remains.  If none do, then a bcc: header
+      with no additional information SHOULD be inserted as specified in
+      [32].
+
+   2. The return address in the MAIL command SHOULD, if possible, be
+      derived from the system's identity for the submitting (local)
+      user, and the "From:" header field otherwise.  If there is a
+      system identity available, it SHOULD also be copied to the Sender
+      header field if it is different from the address in the From
+      header field.  (Any Sender field that was already there SHOULD be
+      removed.)  Systems may provide a way for submitters to override
+      the envelope return address, but may want to restrict its use to
+      privileged users.  This will not prevent mail forgery, but may
+      lessen its incidence; see section 7.1.
+
+
+
+Klensin                     Standards Track                    [Page 71]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   When an MTA is being used in this way, it bears responsibility for
+   ensuring that the message being transmitted is valid.  The mechanisms
+   for checking that validity, and for handling (or returning) messages
+   that are not valid at the time of arrival, are part of the MUA-MTA
+   interface and not covered by this specification.
+
+   A submission protocol based on Standard RFC 822 information alone
+   MUST NOT be used to gateway a message from a foreign (non-SMTP) mail
+   system into an SMTP environment.  Additional information to construct
+   an envelope must come from some source in the other environment,
+   whether supplemental headers or the foreign system's envelope.
+
+   Attempts to gateway messages using only their header "to" and "cc"
+   fields have repeatedly caused mail loops and other behavior adverse
+   to the proper functioning of the Internet mail environment.  These
+   problems have been especially common when the message originates from
+   an Internet mailing list and is distributed into the foreign
+   environment using envelope information.  When these messages are then
+   processed by a header-only remailer, loops back to the Internet
+   environment (and the mailing list) are almost inevitable.
+
+C. Source Routes
+
+   Historically, the <reverse-path> was a reverse source routing list of
+   hosts and a source mailbox.  The first host in the <reverse-path>
+   SHOULD be the host sending the MAIL command.  Similarly, the
+   <forward-path> may be a source routing lists of hosts and a
+   destination mailbox.  However, in general, the <forward-path> SHOULD
+   contain only a mailbox and domain name, relying on the domain name
+   system to supply routing information if required.  The use of source
+   routes is deprecated; while servers MUST be prepared to receive and
+   handle them as discussed in section 3.3 and F.2, clients SHOULD NOT
+   transmit them and this section was included only to provide context.
+
+   For relay purposes, the forward-path may be a source route of the
+   form "@ONE,@TWO:JOE@THREE", where ONE, TWO, and THREE MUST BE fully-
+   qualified domain names.  This form is used to emphasize the
+   distinction between an address and a route.  The mailbox is an
+   absolute address, and the route is information about how to get
+   there.  The two concepts should not be confused.
+
+   If source routes are used, RFC 821 and the text below should be
+   consulted for the mechanisms for constructing and updating the
+   forward- and reverse-paths.
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 72]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+   The SMTP server transforms the command arguments by moving its own
+   identifier (its domain name or that of any domain for which it is
+   acting as a mail exchanger), if it appears, from the forward-path to
+   the beginning of the reverse-path.
+
+   Notice that the forward-path and reverse-path appear in the SMTP
+   commands and replies, but not necessarily in the message.  That is,
+   there is no need for these paths and especially this syntax to appear
+   in the "To:" , "From:", "CC:", etc. fields of the message header.
+   Conversely, SMTP servers MUST NOT derive final message delivery
+   information from message header fields.
+
+   When the list of hosts is present, it is a "reverse" source route and
+   indicates that the mail was relayed through each host on the list
+   (the first host in the list was the most recent relay).  This list is
+   used as a source route to return non-delivery notices to the sender.
+   As each relay host adds itself to the beginning of the list, it MUST
+   use its name as known in the transport environment to which it is
+   relaying the mail rather than that of the transport environment from
+   which the mail came (if they are different).
+
+D. Scenarios
+
+   This section presents complete scenarios of several types of SMTP
+   sessions.  In the examples, "C:" indicates what is said by the SMTP
+   client, and "S:" indicates what is said by the SMTP server.
+
+D.1 A Typical SMTP Transaction Scenario
+
+   This SMTP example shows mail sent by Smith at host bar.com, to Jones,
+   Green, and Brown at host foo.com.  Here we assume that host bar.com
+   contacts host foo.com directly.  The mail is accepted for Jones and
+   Brown.  Green does not have a mailbox at host foo.com.
+
+      S: 220 foo.com Simple Mail Transfer Service Ready
+      C: EHLO bar.com
+      S: 250-foo.com greets bar.com
+      S: 250-8BITMIME
+      S: 250-SIZE
+      S: 250-DSN
+      S: 250 HELP
+      C: MAIL FROM:<Smith@bar.com>
+      S: 250 OK
+      C: RCPT TO:<Jones@foo.com>
+      S: 250 OK
+      C: RCPT TO:<Green@foo.com>
+      S: 550 No such user here
+      C: RCPT TO:<Brown@foo.com>
+
+
+
+Klensin                     Standards Track                    [Page 73]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      S: 250 OK
+      C: DATA
+      S: 354 Start mail input; end with <CRLF>.<CRLF>
+      C: Blah blah blah...
+      C: ...etc. etc. etc.
+      C: .
+      S: 250 OK
+      C: QUIT
+      S: 221 foo.com Service closing transmission channel
+
+D.2 Aborted SMTP Transaction Scenario
+
+      S: 220 foo.com Simple Mail Transfer Service Ready
+      C: EHLO bar.com
+      S: 250-foo.com greets bar.com
+      S: 250-8BITMIME
+      S: 250-SIZE
+      S: 250-DSN
+      S: 250 HELP
+      C: MAIL FROM:<Smith@bar.com>
+      S: 250 OK
+      C: RCPT TO:<Jones@foo.com>
+      S: 250 OK
+      C: RCPT TO:<Green@foo.com>
+      S: 550 No such user here
+      C: RSET
+      S: 250 OK
+      C: QUIT
+      S: 221 foo.com Service closing transmission channel
+
+D.3 Relayed Mail Scenario
+
+   Step 1  --  Source Host to Relay Host
+
+      S: 220 foo.com Simple Mail Transfer Service Ready
+      C: EHLO bar.com
+      S: 250-foo.com greets bar.com
+      S: 250-8BITMIME
+      S: 250-SIZE
+      S: 250-DSN
+      S: 250 HELP
+      C: MAIL FROM:<JQP@bar.com>
+      S: 250 OK
+      C: RCPT TO:<@foo.com:Jones@XYZ.COM>
+      S: 250 OK
+      C: DATA
+      S: 354 Start mail input; end with <CRLF>.<CRLF>
+      C: Date: Thu, 21 May 1998 05:33:29 -0700
+
+
+
+Klensin                     Standards Track                    [Page 74]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      C: From: John Q. Public <JQP@bar.com>
+      C: Subject:  The Next Meeting of the Board
+      C: To: Jones@xyz.com
+      C:
+      C: Bill:
+      C: The next meeting of the board of directors will be
+      C: on Tuesday.
+      C:                         John.
+      C: .
+      S: 250 OK
+      C: QUIT
+      S: 221 foo.com Service closing transmission channel
+
+   Step 2  --  Relay Host to Destination Host
+
+      S: 220 xyz.com Simple Mail Transfer Service Ready
+      C: EHLO foo.com
+      S: 250 xyz.com is on the air
+      C: MAIL FROM:<@foo.com:JQP@bar.com>
+      S: 250 OK
+      C: RCPT TO:<Jones@XYZ.COM>
+      S: 250 OK
+      C: DATA
+      S: 354 Start mail input; end with <CRLF>.<CRLF>
+      C: Received: from bar.com by foo.com ; Thu, 21 May 1998
+      C:     05:33:29 -0700
+      C: Date: Thu, 21 May 1998 05:33:22 -0700
+      C: From: John Q. Public <JQP@bar.com>
+      C: Subject:  The Next Meeting of the Board
+      C: To: Jones@xyz.com
+      C:
+      C: Bill:
+      C: The next meeting of the board of directors will be
+      C: on Tuesday.
+      C:                         John.
+      C: .
+      S: 250 OK
+      C: QUIT
+      S: 221 foo.com Service closing transmission channel
+
+D.4 Verifying and Sending Scenario
+
+      S: 220 foo.com Simple Mail Transfer Service Ready
+      C: EHLO bar.com
+      S: 250-foo.com greets bar.com
+      S: 250-8BITMIME
+      S: 250-SIZE
+      S: 250-DSN
+
+
+
+Klensin                     Standards Track                    [Page 75]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+      S: 250-VRFY
+      S: 250 HELP
+      C: VRFY Crispin
+      S: 250 Mark Crispin <Admin.MRC@foo.com>
+      C: SEND FROM:<EAK@bar.com>
+      S: 250 OK
+      C: RCPT TO:<Admin.MRC@foo.com>
+      S: 250 OK
+      C: DATA
+      S: 354 Start mail input; end with <CRLF>.<CRLF>
+      C: Blah blah blah...
+      C: ...etc. etc. etc.
+      C: .
+      S: 250 OK
+      C: QUIT
+      S: 221 foo.com Service closing transmission channel
+
+E. Other Gateway Issues
+
+   In general, gateways between the Internet and other mail systems
+   SHOULD attempt to preserve any layering semantics across the
+   boundaries between the two mail systems involved.  Gateway-
+   translation approaches that attempt to take shortcuts by mapping,
+   (such as envelope information from one system to the message headers
+   or body of another) have generally proven to be inadequate in
+   important ways.  Systems translating between environments that do not
+   support both envelopes and headers and Internet mail must be written
+   with the understanding that some information loss is almost
+   inevitable.
+
+F. Deprecated Features of RFC 821
+
+   A few features of RFC 821 have proven to be problematic and SHOULD
+   NOT be used in Internet mail.
+
+F.1 TURN
+
+   This command, described in RFC 821, raises important security issues
+   since, in the absence of strong authentication of the host requesting
+   that the client and server switch roles, it can easily be used to
+   divert mail from its correct destination.  Its use is deprecated;
+   SMTP systems SHOULD NOT use it unless the server can authenticate the
+   client.
+
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 76]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+F.2 Source Routing
+
+   RFC 821 utilized the concept of explicit source routing to get mail
+   from one host to another via a series of relays.  The requirement to
+   utilize source routes in regular mail traffic was eliminated by the
+   introduction of the domain name system "MX" record and the last
+   significant justification for them was eliminated by the
+   introduction, in RFC 1123, of a clear requirement that addresses
+   following an "@" must all be fully-qualified domain names.
+   Consequently, the only remaining justifications for the use of source
+   routes are support for very old SMTP clients or MUAs and in mail
+   system debugging.  They can, however, still be useful in the latter
+   circumstance and for routing mail around serious, but temporary,
+   problems such as problems with the relevant DNS records.
+
+   SMTP servers MUST continue to accept source route syntax as specified
+   in the main body of this document and in RFC 1123.  They MAY, if
+   necessary, ignore the routes and utilize only the target domain in
+   the address.  If they do utilize the source route, the message MUST
+   be sent to the first domain shown in the address.  In particular, a
+   server MUST NOT guess at shortcuts within the source route.
+
+   Clients SHOULD NOT utilize explicit source routing except under
+   unusual circumstances, such as debugging or potentially relaying
+   around firewall or mail system configuration errors.
+
+F.3 HELO
+
+   As discussed in sections 3.1 and 4.1.1, EHLO is strongly preferred to
+   HELO when the server will accept the former.  Servers must continue
+   to accept and process HELO in order to support older clients.
+
+F.4 #-literals
+
+   RFC 821 provided for specifying an Internet address as a decimal
+   integer host number prefixed by a pound sign, "#".  In practice, that
+   form has been obsolete since the introduction of TCP/IP.  It is
+   deprecated and MUST NOT be used.
+
+F.5 Dates and Years
+
+   When dates are inserted into messages by SMTP clients or servers
+   (e.g., in trace fields), four-digit years MUST BE used.  Two-digit
+   years are deprecated; three-digit years were never permitted in the
+   Internet mail system.
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 77]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+F.6 Sending versus Mailing
+
+   In addition to specifying a mechanism for delivering messages to
+   user's mailboxes, RFC 821 provided additional, optional, commands to
+   deliver messages directly to the user's terminal screen.  These
+   commands (SEND, SAML, SOML) were rarely implemented, and changes in
+   workstation technology and the introduction of other protocols may
+   have rendered them obsolete even where they are implemented.
+
+   Clients SHOULD NOT provide SEND, SAML, or SOML as services.  Servers
+   MAY implement them.  If they are implemented by servers, the
+   implementation model specified in RFC 821 MUST be used and the
+   command names MUST be published in the response to the EHLO command.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 78]
+
+RFC 2821             Simple Mail Transfer Protocol            April 2001
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Klensin                     Standards Track                    [Page 79]
+
diff --git a/standards/rfc2822.txt b/standards/rfc2822.txt
new file mode 100644
index 000000000..9f698f77d
--- /dev/null
+++ b/standards/rfc2822.txt
@@ -0,0 +1,2859 @@
+
+
+
+
+
+
+Network Working Group                                 P. Resnick, Editor
+Request for Comments: 2822                         QUALCOMM Incorporated
+Obsoletes: 822                                                April 2001
+Category: Standards Track
+
+
+                        Internet Message Format
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (2001).  All Rights Reserved.
+
+Abstract
+
+   This standard specifies a syntax for text messages that are sent
+   between computer users, within the framework of "electronic mail"
+   messages.  This standard supersedes the one specified in Request For
+   Comments (RFC) 822, "Standard for the Format of ARPA Internet Text
+   Messages", updating it to reflect current practice and incorporating
+   incremental changes that were specified in other RFCs.
+
+Table of Contents
+
+   1. Introduction ............................................... 3
+   1.1. Scope .................................................... 3
+   1.2. Notational conventions ................................... 4
+   1.2.1. Requirements notation .................................. 4
+   1.2.2. Syntactic notation ..................................... 4
+   1.3. Structure of this document ............................... 4
+   2. Lexical Analysis of Messages ............................... 5
+   2.1. General Description ...................................... 5
+   2.1.1. Line Length Limits ..................................... 6
+   2.2. Header Fields ............................................ 7
+   2.2.1. Unstructured Header Field Bodies ....................... 7
+   2.2.2. Structured Header Field Bodies ......................... 7
+   2.2.3. Long Header Fields ..................................... 7
+   2.3. Body ..................................................... 8
+   3. Syntax ..................................................... 9
+   3.1. Introduction ............................................. 9
+   3.2. Lexical Tokens ........................................... 9
+
+
+
+Resnick                     Standards Track                     [Page 1]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   3.2.1. Primitive Tokens ....................................... 9
+   3.2.2. Quoted characters ......................................10
+   3.2.3. Folding white space and comments .......................11
+   3.2.4. Atom ...................................................12
+   3.2.5. Quoted strings .........................................13
+   3.2.6. Miscellaneous tokens ...................................13
+   3.3. Date and Time Specification ..............................14
+   3.4. Address Specification ....................................15
+   3.4.1. Addr-spec specification ................................16
+   3.5 Overall message syntax ....................................17
+   3.6. Field definitions ........................................18
+   3.6.1. The origination date field .............................20
+   3.6.2. Originator fields ......................................21
+   3.6.3. Destination address fields .............................22
+   3.6.4. Identification fields ..................................23
+   3.6.5. Informational fields ...................................26
+   3.6.6. Resent fields ..........................................26
+   3.6.7. Trace fields ...........................................28
+   3.6.8. Optional fields ........................................29
+   4. Obsolete Syntax ............................................29
+   4.1. Miscellaneous obsolete tokens ............................30
+   4.2. Obsolete folding white space .............................31
+   4.3. Obsolete Date and Time ...................................31
+   4.4. Obsolete Addressing ......................................33
+   4.5. Obsolete header fields ...................................33
+   4.5.1. Obsolete origination date field ........................34
+   4.5.2. Obsolete originator fields .............................34
+   4.5.3. Obsolete destination address fields ....................34
+   4.5.4. Obsolete identification fields .........................35
+   4.5.5. Obsolete informational fields ..........................35
+   4.5.6. Obsolete resent fields .................................35
+   4.5.7. Obsolete trace fields ..................................36
+   4.5.8. Obsolete optional fields ...............................36
+   5. Security Considerations ....................................36
+   6. Bibliography ...............................................37
+   7. Editor's Address ...........................................38
+   8. Acknowledgements ...........................................39
+   Appendix A. Example messages ..................................41
+   A.1. Addressing examples ......................................41
+   A.1.1. A message from one person to another with simple
+          addressing .............................................41
+   A.1.2. Different types of mailboxes ...........................42
+   A.1.3. Group addresses ........................................43
+   A.2. Reply messages ...........................................43
+   A.3. Resent messages ..........................................44
+   A.4. Messages with trace fields ...............................46
+   A.5. White space, comments, and other oddities ................47
+   A.6. Obsoleted forms ..........................................47
+
+
+
+Resnick                     Standards Track                     [Page 2]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   A.6.1. Obsolete addressing ....................................48
+   A.6.2. Obsolete dates .........................................48
+   A.6.3. Obsolete white space and comments ......................48
+   Appendix B. Differences from earlier standards ................49
+   Appendix C. Notices ...........................................50
+   Full Copyright Statement ......................................51
+
+1. Introduction
+
+1.1. Scope
+
+   This standard specifies a syntax for text messages that are sent
+   between computer users, within the framework of "electronic mail"
+   messages.  This standard supersedes the one specified in Request For
+   Comments (RFC) 822, "Standard for the Format of ARPA Internet Text
+   Messages" [RFC822], updating it to reflect current practice and
+   incorporating incremental changes that were specified in other RFCs
+   [STD3].
+
+   This standard specifies a syntax only for text messages.  In
+   particular, it makes no provision for the transmission of images,
+   audio, or other sorts of structured data in electronic mail messages.
+   There are several extensions published, such as the MIME document
+   series [RFC2045, RFC2046, RFC2049], which describe mechanisms for the
+   transmission of such data through electronic mail, either by
+   extending the syntax provided here or by structuring such messages to
+   conform to this syntax.  Those mechanisms are outside of the scope of
+   this standard.
+
+   In the context of electronic mail, messages are viewed as having an
+   envelope and contents.  The envelope contains whatever information is
+   needed to accomplish transmission and delivery.  (See [RFC2821] for a
+   discussion of the envelope.)  The contents comprise the object to be
+   delivered to the recipient.  This standard applies only to the format
+   and some of the semantics of message contents.  It contains no
+   specification of the information in the envelope.
+
+   However, some message systems may use information from the contents
+   to create the envelope.  It is intended that this standard facilitate
+   the acquisition of such information by programs.
+
+   This specification is intended as a definition of what message
+   content format is to be passed between systems.  Though some message
+   systems locally store messages in this format (which eliminates the
+   need for translation between formats) and others use formats that
+   differ from the one specified in this standard, local storage is
+   outside of the scope of this standard.
+
+
+
+
+Resnick                     Standards Track                     [Page 3]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Note: This standard is not intended to dictate the internal formats
+   used by sites, the specific message system features that they are
+   expected to support, or any of the characteristics of user interface
+   programs that create or read messages.  In addition, this standard
+   does not specify an encoding of the characters for either transport
+   or storage; that is, it does not specify the number of bits used or
+   how those bits are specifically transferred over the wire or stored
+   on disk.
+
+1.2. Notational conventions
+
+1.2.1. Requirements notation
+
+   This document occasionally uses terms that appear in capital letters.
+   When the terms "MUST", "SHOULD", "RECOMMENDED", "MUST NOT", "SHOULD
+   NOT", and "MAY" appear capitalized, they are being used to indicate
+   particular requirements of this specification.  A discussion of the
+   meanings of these terms appears in [RFC2119].
+
+1.2.2. Syntactic notation
+
+   This standard uses the Augmented Backus-Naur Form (ABNF) notation
+   specified in [RFC2234] for the formal definitions of the syntax of
+   messages.  Characters will be specified either by a decimal value
+   (e.g., the value %d65 for uppercase A and %d97 for lowercase A) or by
+   a case-insensitive literal value enclosed in quotation marks (e.g.,
+   "A" for either uppercase or lowercase A).  See [RFC2234] for the full
+   description of the notation.
+
+1.3. Structure of this document
+
+   This document is divided into several sections.
+
+   This section, section 1, is a short introduction to the document.
+
+   Section 2 lays out the general description of a message and its
+   constituent parts.  This is an overview to help the reader understand
+   some of the general principles used in the later portions of this
+   document.  Any examples in this section MUST NOT be taken as
+   specification of the formal syntax of any part of a message.
+
+   Section 3 specifies formal ABNF rules for the structure of each part
+   of a message (the syntax) and describes the relationship between
+   those parts and their meaning in the context of a message (the
+   semantics).  That is, it describes the actual rules for the structure
+   of each part of a message (the syntax) as well as a description of
+   the parts and instructions on how they ought to be interpreted (the
+   semantics).  This includes analysis of the syntax and semantics of
+
+
+
+Resnick                     Standards Track                     [Page 4]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   subparts of messages that have specific structure.  The syntax
+   included in section 3 represents messages as they MUST be created.
+   There are also notes in section 3 to indicate if any of the options
+   specified in the syntax SHOULD be used over any of the others.
+
+   Both sections 2 and 3 describe messages that are legal to generate
+   for purposes of this standard.
+
+   Section 4 of this document specifies an "obsolete" syntax.  There are
+   references in section 3 to these obsolete syntactic elements.  The
+   rules of the obsolete syntax are elements that have appeared in
+   earlier revisions of this standard or have previously been widely
+   used in Internet messages.  As such, these elements MUST be
+   interpreted by parsers of messages in order to be conformant to this
+   standard.  However, since items in this syntax have been determined
+   to be non-interoperable or to cause significant problems for
+   recipients of messages, they MUST NOT be generated by creators of
+   conformant messages.
+
+   Section 5 details security considerations to take into account when
+   implementing this standard.
+
+   Section 6 is a bibliography of references in this document.
+
+   Section 7 contains the editor's address.
+
+   Section 8 contains acknowledgements.
+
+   Appendix A lists examples of different sorts of messages.  These
+   examples are not exhaustive of the types of messages that appear on
+   the Internet, but give a broad overview of certain syntactic forms.
+
+   Appendix B lists the differences between this standard and earlier
+   standards for Internet messages.
+
+   Appendix C has copyright and intellectual property notices.
+
+2. Lexical Analysis of Messages
+
+2.1. General Description
+
+   At the most basic level, a message is a series of characters.  A
+   message that is conformant with this standard is comprised of
+   characters with values in the range 1 through 127 and interpreted as
+   US-ASCII characters [ASCII].  For brevity, this document sometimes
+   refers to this range of characters as simply "US-ASCII characters".
+
+
+
+
+
+Resnick                     Standards Track                     [Page 5]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Note: This standard specifies that messages are made up of characters
+   in the US-ASCII range of 1 through 127.  There are other documents,
+   specifically the MIME document series [RFC2045, RFC2046, RFC2047,
+   RFC2048, RFC2049], that extend this standard to allow for values
+   outside of that range.  Discussion of those mechanisms is not within
+   the scope of this standard.
+
+   Messages are divided into lines of characters.  A line is a series of
+   characters that is delimited with the two characters carriage-return
+   and line-feed; that is, the carriage return (CR) character (ASCII
+   value 13) followed immediately by the line feed (LF) character (ASCII
+   value 10).  (The carriage-return/line-feed pair is usually written in
+   this document as "CRLF".)
+
+   A message consists of header fields (collectively called "the header
+   of the message") followed, optionally, by a body.  The header is a
+   sequence of lines of characters with special syntax as defined in
+   this standard. The body is simply a sequence of characters that
+   follows the header and is separated from the header by an empty line
+   (i.e., a line with nothing preceding the CRLF).
+
+2.1.1. Line Length Limits
+
+   There are two limits that this standard places on the number of
+   characters in a line. Each line of characters MUST be no more than
+   998 characters, and SHOULD be no more than 78 characters, excluding
+   the CRLF.
+
+   The 998 character limit is due to limitations in many implementations
+   which send, receive, or store Internet Message Format messages that
+   simply cannot handle more than 998 characters on a line. Receiving
+   implementations would do well to handle an arbitrarily large number
+   of characters in a line for robustness sake. However, there are so
+   many implementations which (in compliance with the transport
+   requirements of [RFC2821]) do not accept messages containing more
+   than 1000 character including the CR and LF per line, it is important
+   for implementations not to create such messages.
+
+   The more conservative 78 character recommendation is to accommodate
+   the many implementations of user interfaces that display these
+   messages which may truncate, or disastrously wrap, the display of
+   more than 78 characters per line, in spite of the fact that such
+   implementations are non-conformant to the intent of this
+   specification (and that of [RFC2821] if they actually cause
+   information to be lost). Again, even though this limitation is put on
+   messages, it is encumbant upon implementations which display messages
+
+
+
+
+
+Resnick                     Standards Track                     [Page 6]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   to handle an arbitrarily large number of characters in a line
+   (certainly at least up to the 998 character limit) for the sake of
+   robustness.
+
+2.2. Header Fields
+
+   Header fields are lines composed of a field name, followed by a colon
+   (":"), followed by a field body, and terminated by CRLF.  A field
+   name MUST be composed of printable US-ASCII characters (i.e.,
+   characters that have values between 33 and 126, inclusive), except
+   colon.  A field body may be composed of any US-ASCII characters,
+   except for CR and LF.  However, a field body may contain CRLF when
+   used in header "folding" and  "unfolding" as described in section
+   2.2.3.  All field bodies MUST conform to the syntax described in
+   sections 3 and 4 of this standard.
+
+2.2.1. Unstructured Header Field Bodies
+
+   Some field bodies in this standard are defined simply as
+   "unstructured" (which is specified below as any US-ASCII characters,
+   except for CR and LF) with no further restrictions.  These are
+   referred to as unstructured field bodies.  Semantically, unstructured
+   field bodies are simply to be treated as a single line of characters
+   with no further processing (except for header "folding" and
+   "unfolding" as described in section 2.2.3).
+
+2.2.2. Structured Header Field Bodies
+
+   Some field bodies in this standard have specific syntactical
+   structure more restrictive than the unstructured field bodies
+   described above. These are referred to as "structured" field bodies.
+   Structured field bodies are sequences of specific lexical tokens as
+   described in sections 3 and 4 of this standard.  Many of these tokens
+   are allowed (according to their syntax) to be introduced or end with
+   comments (as described in section 3.2.3) as well as the space (SP,
+   ASCII value 32) and horizontal tab (HTAB, ASCII value 9) characters
+   (together known as the white space characters, WSP), and those WSP
+   characters are subject to header "folding" and "unfolding" as
+   described in section 2.2.3.  Semantic analysis of structured field
+   bodies is given along with their syntax.
+
+2.2.3. Long Header Fields
+
+   Each header field is logically a single line of characters comprising
+   the field name, the colon, and the field body.  For convenience
+   however, and to deal with the 998/78 character limitations per line,
+   the field body portion of a header field can be split into a multiple
+   line representation; this is called "folding".  The general rule is
+
+
+
+Resnick                     Standards Track                     [Page 7]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   that wherever this standard allows for folding white space (not
+   simply WSP characters), a CRLF may be inserted before any WSP.  For
+   example, the header field:
+
+           Subject: This is a test
+
+   can be represented as:
+
+           Subject: This
+            is a test
+
+   Note: Though structured field bodies are defined in such a way that
+   folding can take place between many of the lexical tokens (and even
+   within some of the lexical tokens), folding SHOULD be limited to
+   placing the CRLF at higher-level syntactic breaks.  For instance, if
+   a field body is defined as comma-separated values, it is recommended
+   that folding occur after the comma separating the structured items in
+   preference to other places where the field could be folded, even if
+   it is allowed elsewhere.
+
+   The process of moving from this folded multiple-line representation
+   of a header field to its single line representation is called
+   "unfolding". Unfolding is accomplished by simply removing any CRLF
+   that is immediately followed by WSP.  Each header field should be
+   treated in its unfolded form for further syntactic and semantic
+   evaluation.
+
+2.3. Body
+
+   The body of a message is simply lines of US-ASCII characters.  The
+   only two limitations on the body are as follows:
+
+   - CR and LF MUST only occur together as CRLF; they MUST NOT appear
+     independently in the body.
+
+   - Lines of characters in the body MUST be limited to 998 characters,
+     and SHOULD be limited to 78 characters, excluding the CRLF.
+
+   Note: As was stated earlier, there are other standards documents,
+   specifically the MIME documents [RFC2045, RFC2046, RFC2048, RFC2049]
+   that extend this standard to allow for different sorts of message
+   bodies.  Again, these mechanisms are beyond the scope of this
+   document.
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                     [Page 8]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+3. Syntax
+
+3.1. Introduction
+
+   The syntax as given in this section defines the legal syntax of
+   Internet messages.  Messages that are conformant to this standard
+   MUST conform to the syntax in this section.  If there are options in
+   this section where one option SHOULD be generated, that is indicated
+   either in the prose or in a comment next to the syntax.
+
+   For the defined expressions, a short description of the syntax and
+   use is given, followed by the syntax in ABNF, followed by a semantic
+   analysis.  Primitive tokens that are used but otherwise unspecified
+   come from [RFC2234].
+
+   In some of the definitions, there will be nonterminals whose names
+   start with "obs-".  These "obs-" elements refer to tokens defined in
+   the obsolete syntax in section 4.  In all cases, these productions
+   are to be ignored for the purposes of generating legal Internet
+   messages and MUST NOT be used as part of such a message.  However,
+   when interpreting messages, these tokens MUST be honored as part of
+   the legal syntax.  In this sense, section 3 defines a grammar for
+   generation of messages, with "obs-" elements that are to be ignored,
+   while section 4 adds grammar for interpretation of messages.
+
+3.2. Lexical Tokens
+
+   The following rules are used to define an underlying lexical
+   analyzer, which feeds tokens to the higher-level parsers.  This
+   section defines the tokens used in structured header field bodies.
+
+   Note: Readers of this standard need to pay special attention to how
+   these lexical tokens are used in both the lower-level and
+   higher-level syntax later in the document.  Particularly, the white
+   space tokens and the comment tokens defined in section 3.2.3 get used
+   in the lower-level tokens defined here, and those lower-level tokens
+   are in turn used as parts of the higher-level tokens defined later.
+   Therefore, the white space and comments may be allowed in the
+   higher-level tokens even though they may not explicitly appear in a
+   particular definition.
+
+3.2.1. Primitive Tokens
+
+   The following are primitive tokens referred to elsewhere in this
+   standard, but not otherwise defined in [RFC2234].  Some of them will
+   not appear anywhere else in the syntax, but they are convenient to
+   refer to in other parts of this document.
+
+
+
+
+Resnick                     Standards Track                     [Page 9]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Note: The "specials" below are just such an example.  Though the
+   specials token does not appear anywhere else in this standard, it is
+   useful for implementers who use tools that lexically analyze
+   messages.  Each of the characters in specials can be used to indicate
+   a tokenization point in lexical analysis.
+
+NO-WS-CTL       =       %d1-8 /         ; US-ASCII control characters
+                        %d11 /          ;  that do not include the
+                        %d12 /          ;  carriage return, line feed,
+                        %d14-31 /       ;  and white space characters
+                        %d127
+
+text            =       %d1-9 /         ; Characters excluding CR and LF
+                        %d11 /
+                        %d12 /
+                        %d14-127 /
+                        obs-text
+
+specials        =       "(" / ")" /     ; Special characters used in
+                        "<" / ">" /     ;  other parts of the syntax
+                        "[" / "]" /
+                        ":" / ";" /
+                        "@" / "\" /
+                        "," / "." /
+                        DQUOTE
+
+   No special semantics are attached to these tokens.  They are simply
+   single characters.
+
+3.2.2. Quoted characters
+
+   Some characters are reserved for special interpretation, such as
+   delimiting lexical tokens.  To permit use of these characters as
+   uninterpreted data, a quoting mechanism is provided.
+
+quoted-pair     =       ("\" text) / obs-qp
+
+   Where any quoted-pair appears, it is to be interpreted as the text
+   character alone.  That is to say, the "\" character that appears as
+   part of a quoted-pair is semantically "invisible".
+
+   Note: The "\" character may appear in a message where it is not part
+   of a quoted-pair.  A "\" character that does not appear in a
+   quoted-pair is not semantically invisible.  The only places in this
+   standard where quoted-pair currently appears are ccontent, qcontent,
+   dcontent, no-fold-quote, and no-fold-literal.
+
+
+
+
+
+Resnick                     Standards Track                    [Page 10]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+3.2.3. Folding white space and comments
+
+   White space characters, including white space used in folding
+   (described in section 2.2.3), may appear between many elements in
+   header field bodies.  Also, strings of characters that are treated as
+   comments may be included in structured field bodies as characters
+   enclosed in parentheses.  The following defines the folding white
+   space (FWS) and comment constructs.
+
+   Strings of characters enclosed in parentheses are considered comments
+   so long as they do not appear within a "quoted-string", as defined in
+   section 3.2.5.  Comments may nest.
+
+   There are several places in this standard where comments and FWS may
+   be freely inserted.  To accommodate that syntax, an additional token
+   for "CFWS" is defined for places where comments and/or FWS can occur.
+   However, where CFWS occurs in this standard, it MUST NOT be inserted
+   in such a way that any line of a folded header field is made up
+   entirely of WSP characters and nothing else.
+
+FWS             =       ([*WSP CRLF] 1*WSP) /   ; Folding white space
+                        obs-FWS
+
+ctext           =       NO-WS-CTL /     ; Non white space controls
+
+                        %d33-39 /       ; The rest of the US-ASCII
+                        %d42-91 /       ;  characters not including "(",
+                        %d93-126        ;  ")", or "\"
+
+ccontent        =       ctext / quoted-pair / comment
+
+comment         =       "(" *([FWS] ccontent) [FWS] ")"
+
+CFWS            =       *([FWS] comment) (([FWS] comment) / FWS)
+
+   Throughout this standard, where FWS (the folding white space token)
+   appears, it indicates a place where header folding, as discussed in
+   section 2.2.3, may take place.  Wherever header folding appears in a
+   message (that is, a header field body containing a CRLF followed by
+   any WSP), header unfolding (removal of the CRLF) is performed before
+   any further lexical analysis is performed on that header field
+   according to this standard.  That is to say, any CRLF that appears in
+   FWS is semantically "invisible."
+
+   A comment is normally used in a structured field body to provide some
+   human readable informational text.  Since a comment is allowed to
+   contain FWS, folding is permitted within the comment.  Also note that
+   since quoted-pair is allowed in a comment, the parentheses and
+
+
+
+Resnick                     Standards Track                    [Page 11]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   backslash characters may appear in a comment so long as they appear
+   as a quoted-pair.  Semantically, the enclosing parentheses are not
+   part of the comment; the comment is what is contained between the two
+   parentheses.  As stated earlier, the "\" in any quoted-pair and the
+   CRLF in any FWS that appears within the comment are semantically
+   "invisible" and therefore not part of the comment either.
+
+   Runs of FWS, comment or CFWS that occur between lexical tokens in a
+   structured field header are semantically interpreted as a single
+   space character.
+
+3.2.4. Atom
+
+   Several productions in structured header field bodies are simply
+   strings of certain basic characters.  Such productions are called
+   atoms.
+
+   Some of the structured header field bodies also allow the period
+   character (".", ASCII value 46) within runs of atext.  An additional
+   "dot-atom" token is defined for those purposes.
+
+atext           =       ALPHA / DIGIT / ; Any character except controls,
+                        "!" / "#" /     ;  SP, and specials.
+                        "$" / "%" /     ;  Used for atoms
+                        "&" / "'" /
+                        "*" / "+" /
+                        "-" / "/" /
+                        "=" / "?" /
+                        "^" / "_" /
+                        "`" / "{" /
+                        "|" / "}" /
+                        "~"
+
+atom            =       [CFWS] 1*atext [CFWS]
+
+dot-atom        =       [CFWS] dot-atom-text [CFWS]
+
+dot-atom-text   =       1*atext *("." 1*atext)
+
+   Both atom and dot-atom are interpreted as a single unit, comprised of
+   the string of characters that make it up.  Semantically, the optional
+   comments and FWS surrounding the rest of the characters are not part
+   of the atom; the atom is only the run of atext characters in an atom,
+   or the atext and "." characters in a dot-atom.
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 12]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+3.2.5. Quoted strings
+
+   Strings of characters that include characters other than those
+   allowed in atoms may be represented in a quoted string format, where
+   the characters are surrounded by quote (DQUOTE, ASCII value 34)
+   characters.
+
+qtext           =       NO-WS-CTL /     ; Non white space controls
+
+                        %d33 /          ; The rest of the US-ASCII
+                        %d35-91 /       ;  characters not including "\"
+                        %d93-126        ;  or the quote character
+
+qcontent        =       qtext / quoted-pair
+
+quoted-string   =       [CFWS]
+                        DQUOTE *([FWS] qcontent) [FWS] DQUOTE
+                        [CFWS]
+
+   A quoted-string is treated as a unit.  That is, quoted-string is
+   identical to atom, semantically.  Since a quoted-string is allowed to
+   contain FWS, folding is permitted.  Also note that since quoted-pair
+   is allowed in a quoted-string, the quote and backslash characters may
+   appear in a quoted-string so long as they appear as a quoted-pair.
+
+   Semantically, neither the optional CFWS outside of the quote
+   characters nor the quote characters themselves are part of the
+   quoted-string; the quoted-string is what is contained between the two
+   quote characters.  As stated earlier, the "\" in any quoted-pair and
+   the CRLF in any FWS/CFWS that appears within the quoted-string are
+   semantically "invisible" and therefore not part of the quoted-string
+   either.
+
+3.2.6. Miscellaneous tokens
+
+   Three additional tokens are defined, word and phrase for combinations
+   of atoms and/or quoted-strings, and unstructured for use in
+   unstructured header fields and in some places within structured
+   header fields.
+
+word            =       atom / quoted-string
+
+phrase          =       1*word / obs-phrase
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 13]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+utext           =       NO-WS-CTL /     ; Non white space controls
+                        %d33-126 /      ; The rest of US-ASCII
+                        obs-utext
+
+unstructured    =       *([FWS] utext) [FWS]
+
+3.3. Date and Time Specification
+
+   Date and time occur in several header fields.  This section specifies
+   the syntax for a full date and time specification.  Though folding
+   white space is permitted throughout the date-time specification, it
+   is RECOMMENDED that a single space be used in each place that FWS
+   appears (whether it is required or optional); some older
+   implementations may not interpret other occurrences of folding white
+   space correctly.
+
+date-time       =       [ day-of-week "," ] date FWS time [CFWS]
+
+day-of-week     =       ([FWS] day-name) / obs-day-of-week
+
+day-name        =       "Mon" / "Tue" / "Wed" / "Thu" /
+                        "Fri" / "Sat" / "Sun"
+
+date            =       day month year
+
+year            =       4*DIGIT / obs-year
+
+month           =       (FWS month-name FWS) / obs-month
+
+month-name      =       "Jan" / "Feb" / "Mar" / "Apr" /
+                        "May" / "Jun" / "Jul" / "Aug" /
+                        "Sep" / "Oct" / "Nov" / "Dec"
+
+day             =       ([FWS] 1*2DIGIT) / obs-day
+
+time            =       time-of-day FWS zone
+
+time-of-day     =       hour ":" minute [ ":" second ]
+
+hour            =       2DIGIT / obs-hour
+
+minute          =       2DIGIT / obs-minute
+
+second          =       2DIGIT / obs-second
+
+zone            =       (( "+" / "-" ) 4DIGIT) / obs-zone
+
+
+
+
+
+Resnick                     Standards Track                    [Page 14]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   The day is the numeric day of the month.  The year is any numeric
+   year 1900 or later.
+
+   The time-of-day specifies the number of hours, minutes, and
+   optionally seconds since midnight of the date indicated.
+
+   The date and time-of-day SHOULD express local time.
+
+   The zone specifies the offset from Coordinated Universal Time (UTC,
+   formerly referred to as "Greenwich Mean Time") that the date and
+   time-of-day represent.  The "+" or "-" indicates whether the
+   time-of-day is ahead of (i.e., east of) or behind (i.e., west of)
+   Universal Time.  The first two digits indicate the number of hours
+   difference from Universal Time, and the last two digits indicate the
+   number of minutes difference from Universal Time.  (Hence, +hhmm
+   means +(hh * 60 + mm) minutes, and -hhmm means -(hh * 60 + mm)
+   minutes).  The form "+0000" SHOULD be used to indicate a time zone at
+   Universal Time.  Though "-0000" also indicates Universal Time, it is
+   used to indicate that the time was generated on a system that may be
+   in a local time zone other than Universal Time and therefore
+   indicates that the date-time contains no information about the local
+   time zone.
+
+   A date-time specification MUST be semantically valid.  That is, the
+   day-of-the-week (if included) MUST be the day implied by the date,
+   the numeric day-of-month MUST be between 1 and the number of days
+   allowed for the specified month (in the specified year), the
+   time-of-day MUST be in the range 00:00:00 through 23:59:60 (the
+   number of seconds allowing for a leap second; see [STD12]), and the
+   zone MUST be within the range -9959 through +9959.
+
+3.4. Address Specification
+
+   Addresses occur in several message header fields to indicate senders
+   and recipients of messages.  An address may either be an individual
+   mailbox, or a group of mailboxes.
+
+address         =       mailbox / group
+
+mailbox         =       name-addr / addr-spec
+
+name-addr       =       [display-name] angle-addr
+
+angle-addr      =       [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
+
+group           =       display-name ":" [mailbox-list / CFWS] ";"
+                        [CFWS]
+
+
+
+
+Resnick                     Standards Track                    [Page 15]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+display-name    =       phrase
+
+mailbox-list    =       (mailbox *("," mailbox)) / obs-mbox-list
+
+address-list    =       (address *("," address)) / obs-addr-list
+
+   A mailbox receives mail.  It is a conceptual entity which does not
+   necessarily pertain to file storage.  For example, some sites may
+   choose to print mail on a printer and deliver the output to the
+   addressee's desk.  Normally, a mailbox is comprised of two parts: (1)
+   an optional display name that indicates the name of the recipient
+   (which could be a person or a system) that could be displayed to the
+   user of a mail application, and (2) an addr-spec address enclosed in
+   angle brackets ("<" and ">").  There is also an alternate simple form
+   of a mailbox where the addr-spec address appears alone, without the
+   recipient's name or the angle brackets.  The Internet addr-spec
+   address is described in section 3.4.1.
+
+   Note: Some legacy implementations used the simple form where the
+   addr-spec appears without the angle brackets, but included the name
+   of the recipient in parentheses as a comment following the addr-spec.
+   Since the meaning of the information in a comment is unspecified,
+   implementations SHOULD use the full name-addr form of the mailbox,
+   instead of the legacy form, to specify the display name associated
+   with a mailbox.  Also, because some legacy implementations interpret
+   the comment, comments generally SHOULD NOT be used in address fields
+   to avoid confusing such implementations.
+
+   When it is desirable to treat several mailboxes as a single unit
+   (i.e., in a distribution list), the group construct can be used.  The
+   group construct allows the sender to indicate a named group of
+   recipients. This is done by giving a display name for the group,
+   followed by a colon, followed by a comma separated list of any number
+   of mailboxes (including zero and one), and ending with a semicolon.
+   Because the list of mailboxes can be empty, using the group construct
+   is also a simple way to communicate to recipients that the message
+   was sent to one or more named sets of recipients, without actually
+   providing the individual mailbox address for each of those
+   recipients.
+
+3.4.1. Addr-spec specification
+
+   An addr-spec is a specific Internet identifier that contains a
+   locally interpreted string followed by the at-sign character ("@",
+   ASCII value 64) followed by an Internet domain.  The locally
+   interpreted string is either a quoted-string or a dot-atom.  If the
+   string can be represented as a dot-atom (that is, it contains no
+   characters other than atext characters or "." surrounded by atext
+
+
+
+Resnick                     Standards Track                    [Page 16]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   characters), then the dot-atom form SHOULD be used and the
+   quoted-string form SHOULD NOT be used. Comments and folding white
+   space SHOULD NOT be used around the "@" in the addr-spec.
+
+addr-spec       =       local-part "@" domain
+
+local-part      =       dot-atom / quoted-string / obs-local-part
+
+domain          =       dot-atom / domain-literal / obs-domain
+
+domain-literal  =       [CFWS] "[" *([FWS] dcontent) [FWS] "]" [CFWS]
+
+dcontent        =       dtext / quoted-pair
+
+dtext           =       NO-WS-CTL /     ; Non white space controls
+
+                        %d33-90 /       ; The rest of the US-ASCII
+                        %d94-126        ;  characters not including "[",
+                                        ;  "]", or "\"
+
+   The domain portion identifies the point to which the mail is
+   delivered. In the dot-atom form, this is interpreted as an Internet
+   domain name (either a host name or a mail exchanger name) as
+   described in [STD3, STD13, STD14].  In the domain-literal form, the
+   domain is interpreted as the literal Internet address of the
+   particular host.  In both cases, how addressing is used and how
+   messages are transported to a particular host is covered in the mail
+   transport document [RFC2821].  These mechanisms are outside of the
+   scope of this document.
+
+   The local-part portion is a domain dependent string.  In addresses,
+   it is simply interpreted on the particular host as a name of a
+   particular mailbox.
+
+3.5 Overall message syntax
+
+   A message consists of header fields, optionally followed by a message
+   body.  Lines in a message MUST be a maximum of 998 characters
+   excluding the CRLF, but it is RECOMMENDED that lines be limited to 78
+   characters excluding the CRLF.  (See section 2.1.1 for explanation.)
+   In a message body, though all of the characters listed in the text
+   rule MAY be used, the use of US-ASCII control characters (values 1
+   through 8, 11, 12, and 14 through 31) is discouraged since their
+   interpretation by receivers for display is not guaranteed.
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 17]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+message         =       (fields / obs-fields)
+                        [CRLF body]
+
+body            =       *(*998text CRLF) *998text
+
+   The header fields carry most of the semantic information and are
+   defined in section 3.6.  The body is simply a series of lines of text
+   which are uninterpreted for the purposes of this standard.
+
+3.6. Field definitions
+
+   The header fields of a message are defined here.  All header fields
+   have the same general syntactic structure: A field name, followed by
+   a colon, followed by the field body.  The specific syntax for each
+   header field is defined in the subsequent sections.
+
+   Note: In the ABNF syntax for each field in subsequent sections, each
+   field name is followed by the required colon.  However, for brevity
+   sometimes the colon is not referred to in the textual description of
+   the syntax.  It is, nonetheless, required.
+
+   It is important to note that the header fields are not guaranteed to
+   be in a particular order.  They may appear in any order, and they
+   have been known to be reordered occasionally when transported over
+   the Internet.  However, for the purposes of this standard, header
+   fields SHOULD NOT be reordered when a message is transported or
+   transformed.  More importantly, the trace header fields and resent
+   header fields MUST NOT be reordered, and SHOULD be kept in blocks
+   prepended to the message.  See sections 3.6.6 and 3.6.7 for more
+   information.
+
+   The only required header fields are the origination date field and
+   the originator address field(s).  All other header fields are
+   syntactically optional.  More information is contained in the table
+   following this definition.
+
+fields          =       *(trace
+                          *(resent-date /
+                           resent-from /
+                           resent-sender /
+                           resent-to /
+                           resent-cc /
+                           resent-bcc /
+                           resent-msg-id))
+                        *(orig-date /
+                        from /
+                        sender /
+                        reply-to /
+
+
+
+Resnick                     Standards Track                    [Page 18]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+                        to /
+                        cc /
+                        bcc /
+                        message-id /
+                        in-reply-to /
+                        references /
+                        subject /
+                        comments /
+                        keywords /
+                        optional-field)
+
+   The following table indicates limits on the number of times each
+   field may occur in a message header as well as any special
+   limitations on the use of those fields.  An asterisk next to a value
+   in the minimum or maximum column indicates that a special restriction
+   appears in the Notes column.
+
+Field           Min number      Max number      Notes
+
+trace           0               unlimited       Block prepended - see
+                                                3.6.7
+
+resent-date     0*              unlimited*      One per block, required
+                                                if other resent fields
+                                                present - see 3.6.6
+
+resent-from     0               unlimited*      One per block - see
+                                                3.6.6
+
+resent-sender   0*              unlimited*      One per block, MUST
+                                                occur with multi-address
+                                                resent-from - see 3.6.6
+
+resent-to       0               unlimited*      One per block - see
+                                                3.6.6
+
+resent-cc       0               unlimited*      One per block - see
+                                                3.6.6
+
+resent-bcc      0               unlimited*      One per block - see
+                                                3.6.6
+
+resent-msg-id   0               unlimited*      One per block - see
+                                                3.6.6
+
+orig-date       1               1
+
+from            1               1               See sender and 3.6.2
+
+
+
+Resnick                     Standards Track                    [Page 19]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+sender          0*              1               MUST occur with multi-
+                                                address from - see 3.6.2
+
+reply-to        0               1
+
+to              0               1
+
+cc              0               1
+
+bcc             0               1
+
+message-id      0*              1               SHOULD be present - see
+                                                3.6.4
+
+in-reply-to     0*              1               SHOULD occur in some
+                                                replies - see 3.6.4
+
+references      0*              1               SHOULD occur in some
+                                                replies - see 3.6.4
+
+subject         0               1
+
+comments        0               unlimited
+
+keywords        0               unlimited
+
+optional-field  0               unlimited
+
+   The exact interpretation of each field is described in subsequent
+   sections.
+
+3.6.1. The origination date field
+
+   The origination date field consists of the field name "Date" followed
+   by a date-time specification.
+
+orig-date       =       "Date:" date-time CRLF
+
+   The origination date specifies the date and time at which the creator
+   of the message indicated that the message was complete and ready to
+   enter the mail delivery system.  For instance, this might be the time
+   that a user pushes the "send" or "submit" button in an application
+   program.  In any case, it is specifically not intended to convey the
+   time that the message is actually transported, but rather the time at
+   which the human or other creator of the message has put the message
+   into its final form, ready for transport.  (For example, a portable
+   computer user who is not connected to a network might queue a message
+
+
+
+
+Resnick                     Standards Track                    [Page 20]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   for delivery.  The origination date is intended to contain the date
+   and time that the user queued the message, not the time when the user
+   connected to the network to send the message.)
+
+3.6.2. Originator fields
+
+   The originator fields of a message consist of the from field, the
+   sender field (when applicable), and optionally the reply-to field.
+   The from field consists of the field name "From" and a
+   comma-separated list of one or more mailbox specifications.  If the
+   from field contains more than one mailbox specification in the
+   mailbox-list, then the sender field, containing the field name
+   "Sender" and a single mailbox specification, MUST appear in the
+   message.  In either case, an optional reply-to field MAY also be
+   included, which contains the field name "Reply-To" and a
+   comma-separated list of one or more addresses.
+
+from            =       "From:" mailbox-list CRLF
+
+sender          =       "Sender:" mailbox CRLF
+
+reply-to        =       "Reply-To:" address-list CRLF
+
+   The originator fields indicate the mailbox(es) of the source of the
+   message.  The "From:" field specifies the author(s) of the message,
+   that is, the mailbox(es) of the person(s) or system(s) responsible
+   for the writing of the message.  The "Sender:" field specifies the
+   mailbox of the agent responsible for the actual transmission of the
+   message.  For example, if a secretary were to send a message for
+   another person, the mailbox of the secretary would appear in the
+   "Sender:" field and the mailbox of the actual author would appear in
+   the "From:" field.  If the originator of the message can be indicated
+   by a single mailbox and the author and transmitter are identical, the
+   "Sender:" field SHOULD NOT be used.  Otherwise, both fields SHOULD
+   appear.
+
+   The originator fields also provide the information required when
+   replying to a message.  When the "Reply-To:" field is present, it
+   indicates the mailbox(es) to which the author of the message suggests
+   that replies be sent.  In the absence of the "Reply-To:" field,
+   replies SHOULD by default be sent to the mailbox(es) specified in the
+   "From:" field unless otherwise specified by the person composing the
+   reply.
+
+   In all cases, the "From:" field SHOULD NOT contain any mailbox that
+   does not belong to the author(s) of the message.  See also section
+   3.6.3 for more information on forming the destination addresses for a
+   reply.
+
+
+
+Resnick                     Standards Track                    [Page 21]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+3.6.3. Destination address fields
+
+   The destination fields of a message consist of three possible fields,
+   each of the same form: The field name, which is either "To", "Cc", or
+   "Bcc", followed by a comma-separated list of one or more addresses
+   (either mailbox or group syntax).
+
+to              =       "To:" address-list CRLF
+
+cc              =       "Cc:" address-list CRLF
+
+bcc             =       "Bcc:" (address-list / [CFWS]) CRLF
+
+   The destination fields specify the recipients of the message.  Each
+   destination field may have one or more addresses, and each of the
+   addresses indicate the intended recipients of the message.  The only
+   difference between the three fields is how each is used.
+
+   The "To:" field contains the address(es) of the primary recipient(s)
+   of the message.
+
+   The "Cc:" field (where the "Cc" means "Carbon Copy" in the sense of
+   making a copy on a typewriter using carbon paper) contains the
+   addresses of others who are to receive the message, though the
+   content of the message may not be directed at them.
+
+   The "Bcc:" field (where the "Bcc" means "Blind Carbon Copy") contains
+   addresses of recipients of the message whose addresses are not to be
+   revealed to other recipients of the message.  There are three ways in
+   which the "Bcc:" field is used.  In the first case, when a message
+   containing a "Bcc:" field is prepared to be sent, the "Bcc:" line is
+   removed even though all of the recipients (including those specified
+   in the "Bcc:" field) are sent a copy of the message.  In the second
+   case, recipients specified in the "To:" and "Cc:" lines each are sent
+   a copy of the message with the "Bcc:" line removed as above, but the
+   recipients on the "Bcc:" line get a separate copy of the message
+   containing a "Bcc:" line.  (When there are multiple recipient
+   addresses in the "Bcc:" field, some implementations actually send a
+   separate copy of the message to each recipient with a "Bcc:"
+   containing only the address of that particular recipient.) Finally,
+   since a "Bcc:" field may contain no addresses, a "Bcc:" field can be
+   sent without any addresses indicating to the recipients that blind
+   copies were sent to someone.  Which method to use with "Bcc:" fields
+   is implementation dependent, but refer to the "Security
+   Considerations" section of this document for a discussion of each.
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 22]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   When a message is a reply to another message, the mailboxes of the
+   authors of the original message (the mailboxes in the "From:" field)
+   or mailboxes specified in the "Reply-To:" field (if it exists) MAY
+   appear in the "To:" field of the reply since these would normally be
+   the primary recipients of the reply.  If a reply is sent to a message
+   that has destination fields, it is often desirable to send a copy of
+   the reply to all of the recipients of the message, in addition to the
+   author.  When such a reply is formed, addresses in the "To:" and
+   "Cc:" fields of the original message MAY appear in the "Cc:" field of
+   the reply, since these are normally secondary recipients of the
+   reply.  If a "Bcc:" field is present in the original message,
+   addresses in that field MAY appear in the "Bcc:" field of the reply,
+   but SHOULD NOT appear in the "To:" or "Cc:" fields.
+
+   Note: Some mail applications have automatic reply commands that
+   include the destination addresses of the original message in the
+   destination addresses of the reply.  How those reply commands behave
+   is implementation dependent and is beyond the scope of this document.
+   In particular, whether or not to include the original destination
+   addresses when the original message had a "Reply-To:" field is not
+   addressed here.
+
+3.6.4. Identification fields
+
+   Though optional, every message SHOULD have a "Message-ID:" field.
+   Furthermore, reply messages SHOULD have "In-Reply-To:" and
+   "References:" fields as appropriate, as described below.
+
+   The "Message-ID:" field contains a single unique message identifier.
+   The "References:" and "In-Reply-To:" field each contain one or more
+   unique message identifiers, optionally separated by CFWS.
+
+   The message identifier (msg-id) is similar in syntax to an angle-addr
+   construct without the internal CFWS.
+
+message-id      =       "Message-ID:" msg-id CRLF
+
+in-reply-to     =       "In-Reply-To:" 1*msg-id CRLF
+
+references      =       "References:" 1*msg-id CRLF
+
+msg-id          =       [CFWS] "<" id-left "@" id-right ">" [CFWS]
+
+id-left         =       dot-atom-text / no-fold-quote / obs-id-left
+
+id-right        =       dot-atom-text / no-fold-literal / obs-id-right
+
+no-fold-quote   =       DQUOTE *(qtext / quoted-pair) DQUOTE
+
+
+
+Resnick                     Standards Track                    [Page 23]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+no-fold-literal =       "[" *(dtext / quoted-pair) "]"
+
+   The "Message-ID:" field provides a unique message identifier that
+   refers to a particular version of a particular message.  The
+   uniqueness of the message identifier is guaranteed by the host that
+   generates it (see below).  This message identifier is intended to be
+   machine readable and not necessarily meaningful to humans.  A message
+   identifier pertains to exactly one instantiation of a particular
+   message; subsequent revisions to the message each receive new message
+   identifiers.
+
+   Note: There are many instances when messages are "changed", but those
+   changes do not constitute a new instantiation of that message, and
+   therefore the message would not get a new message identifier.  For
+   example, when messages are introduced into the transport system, they
+   are often prepended with additional header fields such as trace
+   fields (described in section 3.6.7) and resent fields (described in
+   section 3.6.6).  The addition of such header fields does not change
+   the identity of the message and therefore the original "Message-ID:"
+   field is retained.  In all cases, it is the meaning that the sender
+   of the message wishes to convey (i.e., whether this is the same
+   message or a different message) that determines whether or not the
+   "Message-ID:" field changes, not any particular syntactic difference
+   that appears (or does not appear) in the message.
+
+   The "In-Reply-To:" and "References:" fields are used when creating a
+   reply to a message.  They hold the message identifier of the original
+   message and the message identifiers of other messages (for example,
+   in the case of a reply to a message which was itself a reply).  The
+   "In-Reply-To:" field may be used to identify the message (or
+   messages) to which the new message is a reply, while the
+   "References:" field may be used to identify a "thread" of
+   conversation.
+
+   When creating a reply to a message, the "In-Reply-To:" and
+   "References:" fields of the resultant message are constructed as
+   follows:
+
+   The "In-Reply-To:" field will contain the contents of the "Message-
+   ID:" field of the message to which this one is a reply (the "parent
+   message").  If there is more than one parent message, then the "In-
+   Reply-To:" field will contain the contents of all of the parents'
+   "Message-ID:" fields.  If there is no "Message-ID:" field in any of
+   the parent messages, then the new message will have no "In-Reply-To:"
+   field.
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 24]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   The "References:" field will contain the contents of the parent's
+   "References:" field (if any) followed by the contents of the parent's
+   "Message-ID:" field (if any).  If the parent message does not contain
+   a "References:" field but does have an "In-Reply-To:" field
+   containing a single message identifier, then the "References:" field
+   will contain the contents of the parent's "In-Reply-To:" field
+   followed by the contents of the parent's "Message-ID:" field (if
+   any).  If the parent has none of the "References:", "In-Reply-To:",
+   or "Message-ID:" fields, then the new message will have no
+   "References:" field.
+
+   Note: Some implementations parse the "References:" field to display
+   the "thread of the discussion".  These implementations assume that
+   each new message is a reply to a single parent and hence that they
+   can walk backwards through the "References:" field to find the parent
+   of each message listed there.  Therefore, trying to form a
+   "References:" field for a reply that has multiple parents is
+   discouraged and how to do so is not defined in this document.
+
+   The message identifier (msg-id) itself MUST be a globally unique
+   identifier for a message.  The generator of the message identifier
+   MUST guarantee that the msg-id is unique.  There are several
+   algorithms that can be used to accomplish this.  Since the msg-id has
+   a similar syntax to angle-addr (identical except that comments and
+   folding white space are not allowed), a good method is to put the
+   domain name (or a domain literal IP address) of the host on which the
+   message identifier was created on the right hand side of the "@", and
+   put a combination of the current absolute date and time along with
+   some other currently unique (perhaps sequential) identifier available
+   on the system (for example, a process id number) on the left hand
+   side.  Using a date on the left hand side and a domain name or domain
+   literal on the right hand side makes it possible to guarantee
+   uniqueness since no two hosts use the same domain name or IP address
+   at the same time.  Though other algorithms will work, it is
+   RECOMMENDED that the right hand side contain some domain identifier
+   (either of the host itself or otherwise) such that the generator of
+   the message identifier can guarantee the uniqueness of the left hand
+   side within the scope of that domain.
+
+   Semantically, the angle bracket characters are not part of the
+   msg-id; the msg-id is what is contained between the two angle bracket
+   characters.
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 25]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+3.6.5. Informational fields
+
+   The informational fields are all optional.  The "Keywords:" field
+   contains a comma-separated list of one or more words or
+   quoted-strings. The "Subject:" and "Comments:" fields are
+   unstructured fields as defined in section 2.2.1, and therefore may
+   contain text or folding white space.
+
+subject         =       "Subject:" unstructured CRLF
+
+comments        =       "Comments:" unstructured CRLF
+
+keywords        =       "Keywords:" phrase *("," phrase) CRLF
+
+   These three fields are intended to have only human-readable content
+   with information about the message.  The "Subject:" field is the most
+   common and contains a short string identifying the topic of the
+   message.  When used in a reply, the field body MAY start with the
+   string "Re: " (from the Latin "res", in the matter of) followed by
+   the contents of the "Subject:" field body of the original message.
+   If this is done, only one instance of the literal string "Re: " ought
+   to be used since use of other strings or more than one instance can
+   lead to undesirable consequences.  The "Comments:" field contains any
+   additional comments on the text of the body of the message.  The
+   "Keywords:" field contains a comma-separated list of important words
+   and phrases that might be useful for the recipient.
+
+3.6.6. Resent fields
+
+   Resent fields SHOULD be added to any message that is reintroduced by
+   a user into the transport system.  A separate set of resent fields
+   SHOULD be added each time this is done.  All of the resent fields
+   corresponding to a particular resending of the message SHOULD be
+   together.  Each new set of resent fields is prepended to the message;
+   that is, the most recent set of resent fields appear earlier in the
+   message.  No other fields in the message are changed when resent
+   fields are added.
+
+   Each of the resent fields corresponds to a particular field elsewhere
+   in the syntax.  For instance, the "Resent-Date:" field corresponds to
+   the "Date:" field and the "Resent-To:" field corresponds to the "To:"
+   field.  In each case, the syntax for the field body is identical to
+   the syntax given previously for the corresponding field.
+
+   When resent fields are used, the "Resent-From:" and "Resent-Date:"
+   fields MUST be sent.  The "Resent-Message-ID:" field SHOULD be sent.
+   "Resent-Sender:" SHOULD NOT be used if "Resent-Sender:" would be
+   identical to "Resent-From:".
+
+
+
+Resnick                     Standards Track                    [Page 26]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+resent-date     =       "Resent-Date:" date-time CRLF
+
+resent-from     =       "Resent-From:" mailbox-list CRLF
+
+resent-sender   =       "Resent-Sender:" mailbox CRLF
+
+resent-to       =       "Resent-To:" address-list CRLF
+
+resent-cc       =       "Resent-Cc:" address-list CRLF
+
+resent-bcc      =       "Resent-Bcc:" (address-list / [CFWS]) CRLF
+
+resent-msg-id   =       "Resent-Message-ID:" msg-id CRLF
+
+   Resent fields are used to identify a message as having been
+   reintroduced into the transport system by a user.  The purpose of
+   using resent fields is to have the message appear to the final
+   recipient as if it were sent directly by the original sender, with
+   all of the original fields remaining the same.  Each set of resent
+   fields correspond to a particular resending event.  That is, if a
+   message is resent multiple times, each set of resent fields gives
+   identifying information for each individual time.  Resent fields are
+   strictly informational.  They MUST NOT be used in the normal
+   processing of replies or other such automatic actions on messages.
+
+   Note: Reintroducing a message into the transport system and using
+   resent fields is a different operation from "forwarding".
+   "Forwarding" has two meanings: One sense of forwarding is that a mail
+   reading program can be told by a user to forward a copy of a message
+   to another person, making the forwarded message the body of the new
+   message.  A forwarded message in this sense does not appear to have
+   come from the original sender, but is an entirely new message from
+   the forwarder of the message.  On the other hand, forwarding is also
+   used to mean when a mail transport program gets a message and
+   forwards it on to a different destination for final delivery.  Resent
+   header fields are not intended for use with either type of
+   forwarding.
+
+   The resent originator fields indicate the mailbox of the person(s) or
+   system(s) that resent the message.  As with the regular originator
+   fields, there are two forms: a simple "Resent-From:" form which
+   contains the mailbox of the individual doing the resending, and the
+   more complex form, when one individual (identified in the
+   "Resent-Sender:" field) resends a message on behalf of one or more
+   others (identified in the "Resent-From:" field).
+
+   Note: When replying to a resent message, replies behave just as they
+   would with any other message, using the original "From:",
+
+
+
+Resnick                     Standards Track                    [Page 27]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   "Reply-To:", "Message-ID:", and other fields.  The resent fields are
+   only informational and MUST NOT be used in the normal processing of
+   replies.
+
+   The "Resent-Date:" indicates the date and time at which the resent
+   message is dispatched by the resender of the message.  Like the
+   "Date:" field, it is not the date and time that the message was
+   actually transported.
+
+   The "Resent-To:", "Resent-Cc:", and "Resent-Bcc:" fields function
+   identically to the "To:", "Cc:", and "Bcc:" fields respectively,
+   except that they indicate the recipients of the resent message, not
+   the recipients of the original message.
+
+   The "Resent-Message-ID:" field provides a unique identifier for the
+   resent message.
+
+3.6.7. Trace fields
+
+   The trace fields are a group of header fields consisting of an
+   optional "Return-Path:" field, and one or more "Received:" fields.
+   The "Return-Path:" header field contains a pair of angle brackets
+   that enclose an optional addr-spec.  The "Received:" field contains a
+   (possibly empty) list of name/value pairs followed by a semicolon and
+   a date-time specification.  The first item of the name/value pair is
+   defined by item-name, and the second item is either an addr-spec, an
+   atom, a domain, or a msg-id.  Further restrictions may be applied to
+   the syntax of the trace fields by standards that provide for their
+   use, such as [RFC2821].
+
+trace           =       [return]
+                        1*received
+
+return          =       "Return-Path:" path CRLF
+
+path            =       ([CFWS] "<" ([CFWS] / addr-spec) ">" [CFWS]) /
+                        obs-path
+
+received        =       "Received:" name-val-list ";" date-time CRLF
+
+name-val-list   =       [CFWS] [name-val-pair *(CFWS name-val-pair)]
+
+name-val-pair   =       item-name CFWS item-value
+
+item-name       =       ALPHA *(["-"] (ALPHA / DIGIT))
+
+item-value      =       1*angle-addr / addr-spec /
+                         atom / domain / msg-id
+
+
+
+Resnick                     Standards Track                    [Page 28]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   A full discussion of the Internet mail use of trace fields is
+   contained in [RFC2821].  For the purposes of this standard, the trace
+   fields are strictly informational, and any formal interpretation of
+   them is outside of the scope of this document.
+
+3.6.8. Optional fields
+
+   Fields may appear in messages that are otherwise unspecified in this
+   standard.  They MUST conform to the syntax of an optional-field.
+   This is a field name, made up of the printable US-ASCII characters
+   except SP and colon, followed by a colon, followed by any text which
+   conforms to unstructured.
+
+   The field names of any optional-field MUST NOT be identical to any
+   field name specified elsewhere in this standard.
+
+optional-field  =       field-name ":" unstructured CRLF
+
+field-name      =       1*ftext
+
+ftext           =       %d33-57 /               ; Any character except
+                        %d59-126                ;  controls, SP, and
+                                                ;  ":".
+
+   For the purposes of this standard, any optional field is
+   uninterpreted.
+
+4. Obsolete Syntax
+
+   Earlier versions of this standard allowed for different (usually more
+   liberal) syntax than is allowed in this version.  Also, there have
+   been syntactic elements used in messages on the Internet whose
+   interpretation have never been documented.  Though some of these
+   syntactic forms MUST NOT be generated according to the grammar in
+   section 3, they MUST be accepted and parsed by a conformant receiver.
+   This section documents many of these syntactic elements.  Taking the
+   grammar in section 3 and adding the definitions presented in this
+   section will result in the grammar to use for interpretation of
+   messages.
+
+   Note: This section identifies syntactic forms that any implementation
+   MUST reasonably interpret.  However, there are certainly Internet
+   messages which do not conform to even the additional syntax given in
+   this section.  The fact that a particular form does not appear in any
+   section of this document is not justification for computer programs
+   to crash or for malformed data to be irretrievably lost by any
+   implementation.  To repeat an example, though this document requires
+   lines in messages to be no longer than 998 characters, silently
+
+
+
+Resnick                     Standards Track                    [Page 29]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   discarding the 999th and subsequent characters in a line without
+   warning would still be bad behavior for an implementation.  It is up
+   to the implementation to deal with messages robustly.
+
+   One important difference between the obsolete (interpreting) and the
+   current (generating) syntax is that in structured header field bodies
+   (i.e., between the colon and the CRLF of any structured header
+   field), white space characters, including folding white space, and
+   comments can be freely inserted between any syntactic tokens.  This
+   allows many complex forms that have proven difficult for some
+   implementations to parse.
+
+   Another key difference between the obsolete and the current syntax is
+   that the rule in section 3.2.3 regarding lines composed entirely of
+   white space in comments and folding white space does not apply.  See
+   the discussion of folding white space in section 4.2 below.
+
+   Finally, certain characters that were formerly allowed in messages
+   appear in this section.  The NUL character (ASCII value 0) was once
+   allowed, but is no longer for compatibility reasons.  CR and LF were
+   allowed to appear in messages other than as CRLF; this use is also
+   shown here.
+
+   Other differences in syntax and semantics are noted in the following
+   sections.
+
+4.1. Miscellaneous obsolete tokens
+
+   These syntactic elements are used elsewhere in the obsolete syntax or
+   in the main syntax.  The obs-char and obs-qp elements each add ASCII
+   value 0. Bare CR and bare LF are added to obs-text and obs-utext.
+   The period character is added to obs-phrase. The obs-phrase-list
+   provides for "empty" elements in a comma-separated list of phrases.
+
+   Note: The "period" (or "full stop") character (".") in obs-phrase is
+   not a form that was allowed in earlier versions of this or any other
+   standard.  Period (nor any other character from specials) was not
+   allowed in phrase because it introduced a parsing difficulty
+   distinguishing between phrases and portions of an addr-spec (see
+   section 4.4).  It appears here because the period character is
+   currently used in many messages in the display-name portion of
+   addresses, especially for initials in names, and therefore must be
+   interpreted properly.  In the future, period may appear in the
+   regular syntax of phrase.
+
+obs-qp          =       "\" (%d0-127)
+
+obs-text        =       *LF *CR *(obs-char *LF *CR)
+
+
+
+Resnick                     Standards Track                    [Page 30]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+obs-char        =       %d0-9 / %d11 /          ; %d0-127 except CR and
+                        %d12 / %d14-127         ;  LF
+
+obs-utext       =       obs-text
+
+obs-phrase      =       word *(word / "." / CFWS)
+
+obs-phrase-list =       phrase / 1*([phrase] [CFWS] "," [CFWS]) [phrase]
+
+   Bare CR and bare LF appear in messages with two different meanings.
+   In many cases, bare CR or bare LF are used improperly instead of CRLF
+   to indicate line separators.  In other cases, bare CR and bare LF are
+   used simply as ASCII control characters with their traditional ASCII
+   meanings.
+
+4.2. Obsolete folding white space
+
+   In the obsolete syntax, any amount of folding white space MAY be
+   inserted where the obs-FWS rule is allowed.  This creates the
+   possibility of having two consecutive "folds" in a line, and
+   therefore the possibility that a line which makes up a folded header
+   field could be composed entirely of white space.
+
+   obs-FWS         =       1*WSP *(CRLF 1*WSP)
+
+4.3. Obsolete Date and Time
+
+   The syntax for the obsolete date format allows a 2 digit year in the
+   date field and allows for a list of alphabetic time zone
+   specifications that were used in earlier versions of this standard.
+   It also permits comments and folding white space between many of the
+   tokens.
+
+obs-day-of-week =       [CFWS] day-name [CFWS]
+
+obs-year        =       [CFWS] 2*DIGIT [CFWS]
+
+obs-month       =       CFWS month-name CFWS
+
+obs-day         =       [CFWS] 1*2DIGIT [CFWS]
+
+obs-hour        =       [CFWS] 2DIGIT [CFWS]
+
+obs-minute      =       [CFWS] 2DIGIT [CFWS]
+
+obs-second      =       [CFWS] 2DIGIT [CFWS]
+
+obs-zone        =       "UT" / "GMT" /          ; Universal Time
+
+
+
+Resnick                     Standards Track                    [Page 31]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+                                                ; North American UT
+                                                ; offsets
+                        "EST" / "EDT" /         ; Eastern:  - 5/ - 4
+                        "CST" / "CDT" /         ; Central:  - 6/ - 5
+                        "MST" / "MDT" /         ; Mountain: - 7/ - 6
+                        "PST" / "PDT" /         ; Pacific:  - 8/ - 7
+
+                        %d65-73 /               ; Military zones - "A"
+                        %d75-90 /               ; through "I" and "K"
+                        %d97-105 /              ; through "Z", both
+                        %d107-122               ; upper and lower case
+
+   Where a two or three digit year occurs in a date, the year is to be
+   interpreted as follows: If a two digit year is encountered whose
+   value is between 00 and 49, the year is interpreted by adding 2000,
+   ending up with a value between 2000 and 2049.  If a two digit year is
+   encountered with a value between 50 and 99, or any three digit year
+   is encountered, the year is interpreted by adding 1900.
+
+   In the obsolete time zone, "UT" and "GMT" are indications of
+   "Universal Time" and "Greenwich Mean Time" respectively and are both
+   semantically identical to "+0000".
+
+   The remaining three character zones are the US time zones.  The first
+   letter, "E", "C", "M", or "P" stands for "Eastern", "Central",
+   "Mountain" and "Pacific".  The second letter is either "S" for
+   "Standard" time, or "D" for "Daylight" (or summer) time.  Their
+   interpretations are as follows:
+
+   EDT is semantically equivalent to -0400
+   EST is semantically equivalent to -0500
+   CDT is semantically equivalent to -0500
+   CST is semantically equivalent to -0600
+   MDT is semantically equivalent to -0600
+   MST is semantically equivalent to -0700
+   PDT is semantically equivalent to -0700
+   PST is semantically equivalent to -0800
+
+   The 1 character military time zones were defined in a non-standard
+   way in [RFC822] and are therefore unpredictable in their meaning.
+   The original definitions of the military zones "A" through "I" are
+   equivalent to "+0100" through "+0900" respectively; "K", "L", and "M"
+   are equivalent to  "+1000", "+1100", and "+1200" respectively; "N"
+   through "Y" are equivalent to "-0100" through "-1200" respectively;
+   and "Z" is equivalent to "+0000".  However, because of the error in
+   [RFC822], they SHOULD all be considered equivalent to "-0000" unless
+   there is out-of-band information confirming their meaning.
+
+
+
+
+Resnick                     Standards Track                    [Page 32]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Other multi-character (usually between 3 and 5) alphabetic time zones
+   have been used in Internet messages.  Any such time zone whose
+   meaning is not known SHOULD be considered equivalent to "-0000"
+   unless there is out-of-band information confirming their meaning.
+
+4.4. Obsolete Addressing
+
+   There are three primary differences in addressing.  First, mailbox
+   addresses were allowed to have a route portion before the addr-spec
+   when enclosed in "<" and ">".  The route is simply a comma-separated
+   list of domain names, each preceded by "@", and the list terminated
+   by a colon.  Second, CFWS were allowed between the period-separated
+   elements of local-part and domain (i.e., dot-atom was not used).  In
+   addition, local-part is allowed to contain quoted-string in addition
+   to just atom.  Finally, mailbox-list and address-list were allowed to
+   have "null" members.  That is, there could be two or more commas in
+   such a list with nothing in between them.
+
+obs-angle-addr  =       [CFWS] "<" [obs-route] addr-spec ">" [CFWS]
+
+obs-route       =       [CFWS] obs-domain-list ":" [CFWS]
+
+obs-domain-list =       "@" domain *(*(CFWS / "," ) [CFWS] "@" domain)
+
+obs-local-part  =       word *("." word)
+
+obs-domain      =       atom *("." atom)
+
+obs-mbox-list   =       1*([mailbox] [CFWS] "," [CFWS]) [mailbox]
+
+obs-addr-list   =       1*([address] [CFWS] "," [CFWS]) [address]
+
+   When interpreting addresses, the route portion SHOULD be ignored.
+
+4.5. Obsolete header fields
+
+   Syntactically, the primary difference in the obsolete field syntax is
+   that it allows multiple occurrences of any of the fields and they may
+   occur in any order.  Also, any amount of white space is allowed
+   before the ":" at the end of the field name.
+
+obs-fields      =       *(obs-return /
+                        obs-received /
+                        obs-orig-date /
+                        obs-from /
+                        obs-sender /
+                        obs-reply-to /
+                        obs-to /
+
+
+
+Resnick                     Standards Track                    [Page 33]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+                        obs-cc /
+                        obs-bcc /
+                        obs-message-id /
+                        obs-in-reply-to /
+                        obs-references /
+                        obs-subject /
+                        obs-comments /
+                        obs-keywords /
+                        obs-resent-date /
+                        obs-resent-from /
+                        obs-resent-send /
+                        obs-resent-rply /
+                        obs-resent-to /
+                        obs-resent-cc /
+                        obs-resent-bcc /
+                        obs-resent-mid /
+                        obs-optional)
+
+   Except for destination address fields (described in section 4.5.3),
+   the interpretation of multiple occurrences of fields is unspecified.
+   Also, the interpretation of trace fields and resent fields which do
+   not occur in blocks prepended to the message is unspecified as well.
+   Unless otherwise noted in the following sections, interpretation of
+   other fields is identical to the interpretation of their non-obsolete
+   counterparts in section 3.
+
+4.5.1. Obsolete origination date field
+
+obs-orig-date   =       "Date" *WSP ":" date-time CRLF
+
+4.5.2. Obsolete originator fields
+
+obs-from        =       "From" *WSP ":" mailbox-list CRLF
+
+obs-sender      =       "Sender" *WSP ":" mailbox CRLF
+
+obs-reply-to    =       "Reply-To" *WSP ":" mailbox-list CRLF
+
+4.5.3. Obsolete destination address fields
+
+obs-to          =       "To" *WSP ":" address-list CRLF
+
+obs-cc          =       "Cc" *WSP ":" address-list CRLF
+
+obs-bcc         =       "Bcc" *WSP ":" (address-list / [CFWS]) CRLF
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 34]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   When multiple occurrences of destination address fields occur in a
+   message, they SHOULD be treated as if the address-list in the first
+   occurrence of the field is combined with the address lists of the
+   subsequent occurrences by adding a comma and concatenating.
+
+4.5.4. Obsolete identification fields
+
+   The obsolete "In-Reply-To:" and "References:" fields differ from the
+   current syntax in that they allow phrase (words or quoted strings) to
+   appear.  The obsolete forms of the left and right sides of msg-id
+   allow interspersed CFWS, making them syntactically identical to
+   local-part and domain respectively.
+
+obs-message-id  =       "Message-ID" *WSP ":" msg-id CRLF
+
+obs-in-reply-to =       "In-Reply-To" *WSP ":" *(phrase / msg-id) CRLF
+
+obs-references  =       "References" *WSP ":" *(phrase / msg-id) CRLF
+
+obs-id-left     =       local-part
+
+obs-id-right    =       domain
+
+   For purposes of interpretation, the phrases in the "In-Reply-To:" and
+   "References:" fields are ignored.
+
+   Semantically, none of the optional CFWS surrounding the local-part
+   and the domain are part of the obs-id-left and obs-id-right
+   respectively.
+
+4.5.5. Obsolete informational fields
+
+obs-subject     =       "Subject" *WSP ":" unstructured CRLF
+
+obs-comments    =       "Comments" *WSP ":" unstructured CRLF
+
+obs-keywords    =       "Keywords" *WSP ":" obs-phrase-list CRLF
+
+4.5.6. Obsolete resent fields
+
+   The obsolete syntax adds a "Resent-Reply-To:" field, which consists
+   of the field name, the optional comments and folding white space, the
+   colon, and a comma separated list of addresses.
+
+obs-resent-from =       "Resent-From" *WSP ":" mailbox-list CRLF
+
+obs-resent-send =       "Resent-Sender" *WSP ":" mailbox CRLF
+
+
+
+
+Resnick                     Standards Track                    [Page 35]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+obs-resent-date =       "Resent-Date" *WSP ":" date-time CRLF
+
+obs-resent-to   =       "Resent-To" *WSP ":" address-list CRLF
+
+obs-resent-cc   =       "Resent-Cc" *WSP ":" address-list CRLF
+
+obs-resent-bcc  =       "Resent-Bcc" *WSP ":"
+                         (address-list / [CFWS]) CRLF
+
+obs-resent-mid  =       "Resent-Message-ID" *WSP ":" msg-id CRLF
+
+obs-resent-rply =       "Resent-Reply-To" *WSP ":" address-list CRLF
+
+   As with other resent fields, the "Resent-Reply-To:" field is to be
+   treated as trace information only.
+
+4.5.7. Obsolete trace fields
+
+   The obs-return and obs-received are again given here as template
+   definitions, just as return and received are in section 3.  Their
+   full syntax is given in [RFC2821].
+
+obs-return      =       "Return-Path" *WSP ":" path CRLF
+
+obs-received    =       "Received" *WSP ":" name-val-list CRLF
+
+obs-path        =       obs-angle-addr
+
+4.5.8. Obsolete optional fields
+
+obs-optional    =       field-name *WSP ":" unstructured CRLF
+
+5. Security Considerations
+
+   Care needs to be taken when displaying messages on a terminal or
+   terminal emulator.  Powerful terminals may act on escape sequences
+   and other combinations of ASCII control characters with a variety of
+   consequences.  They can remap the keyboard or permit other
+   modifications to the terminal which could lead to denial of service
+   or even damaged data.  They can trigger (sometimes programmable)
+   answerback messages which can allow a message to cause commands to be
+   issued on the recipient's behalf.  They can also effect the operation
+   of terminal attached devices such as printers.  Message viewers may
+   wish to strip potentially dangerous terminal escape sequences from
+   the message prior to display.  However, other escape sequences appear
+   in messages for useful purposes (cf. [RFC2045, RFC2046, RFC2047,
+   RFC2048, RFC2049, ISO2022]) and therefore should not be stripped
+   indiscriminately.
+
+
+
+Resnick                     Standards Track                    [Page 36]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Transmission of non-text objects in messages raises additional
+   security issues.  These issues are discussed in [RFC2045, RFC2046,
+   RFC2047, RFC2048, RFC2049].
+
+   Many implementations use the "Bcc:" (blind carbon copy) field
+   described in section 3.6.3 to facilitate sending messages to
+   recipients without revealing the addresses of one or more of the
+   addressees to the other recipients.  Mishandling this use of "Bcc:"
+   has implications for confidential information that might be revealed,
+   which could eventually lead to security problems through knowledge of
+   even the existence of a particular mail address.  For example, if
+   using the first method described in section 3.6.3, where the "Bcc:"
+   line is removed from the message, blind recipients have no explicit
+   indication that they have been sent a blind copy, except insofar as
+   their address does not appear in the message header.  Because of
+   this, one of the blind addressees could potentially send a reply to
+   all of the shown recipients and accidentally reveal that the message
+   went to the blind recipient.  When the second method from section
+   3.6.3 is used, the blind recipient's address appears in the "Bcc:"
+   field of a separate copy of the message. If the "Bcc:" field sent
+   contains all of the blind addressees, all of the "Bcc:" recipients
+   will be seen by each "Bcc:" recipient.  Even if a separate message is
+   sent to each "Bcc:" recipient with only the individual's address,
+   implementations still need to be careful to process replies to the
+   message as per section 3.6.3 so as not to accidentally reveal the
+   blind recipient to other recipients.
+
+6. Bibliography
+
+   [ASCII]    American National Standards Institute (ANSI), Coded
+              Character Set - 7-Bit American National Standard Code for
+              Information Interchange, ANSI X3.4, 1986.
+
+   [ISO2022] International Organization for Standardization (ISO),
+              Information processing - ISO 7-bit and 8-bit coded
+              character sets - Code extension techniques, Third edition
+              - 1986-05-01, ISO 2022, 1986.
+
+   [RFC822]   Crocker, D., "Standard for the Format of ARPA Internet
+              Text Messages", RFC 822, August 1982.
+
+   [RFC2045]  Freed, N. and  N. Borenstein, "Multipurpose Internet Mail
+              Extensions (MIME) Part One: Format of Internet Message
+              Bodies", RFC 2045, November 1996.
+
+   [RFC2046]  Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+              Extensions (MIME) Part Two: Media Types", RFC 2046,
+              November 1996.
+
+
+
+Resnick                     Standards Track                    [Page 37]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   [RFC2047]  Moore, K., "Multipurpose Internet Mail Extensions (MIME)
+              Part Three: Message Header Extensions for Non-ASCII Text",
+              RFC 2047, November 1996.
+
+   [RFC2048]  Freed, N., Klensin, J. and J. Postel, "Multipurpose
+              Internet Mail Extensions (MIME) Part Four: Format of
+              Internet Message Bodies", RFC 2048, November 1996.
+
+   [RFC2049]  Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+              Extensions (MIME) Part Five: Conformance Criteria and
+              Examples", RFC 2049, November 1996.
+
+   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
+              Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2234]  Crocker, D., Editor, and P. Overell, "Augmented BNF for
+              Syntax Specifications: ABNF", RFC 2234, November 1997.
+
+   [RFC2821]  Klensin, J., Editor, "Simple Mail Transfer Protocol", RFC
+              2821, March 2001.
+
+   [STD3]     Braden, R., "Host Requirements", STD 3, RFC 1122 and RFC
+              1123, October 1989.
+
+   [STD12]    Mills, D., "Network Time Protocol", STD 12, RFC 1119,
+              September 1989.
+
+   [STD13]    Mockapetris, P., "Domain Name System", STD 13, RFC 1034
+              and RFC 1035,  November 1987.
+
+   [STD14]    Partridge, C., "Mail Routing and the Domain System", STD
+              14, RFC 974, January 1986.
+
+7. Editor's Address
+
+   Peter W. Resnick
+   QUALCOMM Incorporated
+   5775 Morehouse Drive
+   San Diego, CA 92121-1714
+   USA
+
+   Phone: +1 858 651 4478
+   Fax:   +1 858 651 1102
+   EMail: presnick@qualcomm.com
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 38]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+8. Acknowledgements
+
+   Many people contributed to this document.  They included folks who
+   participated in the Detailed Revision and Update of Messaging
+   Standards (DRUMS) Working Group of the Internet Engineering Task
+   Force (IETF), the chair of DRUMS, the Area Directors of the IETF, and
+   people who simply sent their comments in via e-mail.  The editor is
+   deeply indebted to them all and thanks them sincerely.  The below
+   list includes everyone who sent e-mail concerning this document.
+   Hopefully, everyone who contributed is named here:
+
+   Matti Aarnio              Barry Finkel           Larry Masinter
+   Tanaka Akira              Erik Forsberg          Denis McKeon
+   Russ Allbery              Chuck Foster           William P McQuillan
+   Eric Allman               Paul Fox               Alexey Melnikov
+   Harald Tveit Alvestrand   Klaus M. Frank         Perry E. Metzger
+   Ran Atkinson              Ned Freed              Steven Miller
+   Jos Backus                Jochen Friedrich       Keith Moore
+   Bruce Balden              Randall C. Gellens     John Gardiner Myers
+   Dave Barr                 Sukvinder Singh Gill   Chris Newman
+   Alan Barrett              Tim Goodwin            John W. Noerenberg
+   John Beck                 Philip Guenther        Eric Norman
+   J. Robert von Behren      Tony Hansen            Mike O'Dell
+   Jos den Bekker            John Hawkinson         Larry Osterman
+   D. J. Bernstein           Philip Hazel           Paul Overell
+   James Berriman            Kai Henningsen         Jacob Palme
+   Norbert Bollow            Robert Herriot         Michael A. Patton
+   Raj Bose                  Paul Hethmon           Uzi Paz
+   Antony Bowesman           Jim Hill               Michael A. Quinlan
+   Scott Bradner             Paul E. Hoffman        Eric S. Raymond
+   Randy Bush                Steve Hole             Sam Roberts
+   Tom Byrer                 Kari Hurtta            Hugh Sasse
+   Bruce Campbell            Marco S. Hyman         Bart Schaefer
+   Larry Campbell            Ofer Inbar             Tom Scola
+   W. J. Carpenter           Olle Jarnefors         Wolfgang Segmuller
+   Michael Chapman           Kevin Johnson          Nick Shelness
+   Richard Clayton           Sudish Joseph          John Stanley
+   Maurizio Codogno          Maynard Kang           Einar Stefferud
+   Jim Conklin               Prabhat Keni           Jeff Stephenson
+   R. Kelley Cook            John C. Klensin        Bernard Stern
+   Steve Coya                Graham Klyne           Peter Sylvester
+   Mark Crispin              Brad Knowles           Mark Symons
+   Dave Crocker              Shuhei Kobayashi       Eric Thomas
+   Matt Curtin               Peter Koch             Lee Thompson
+   Michael D'Errico          Dan Kohn               Karel De Vriendt
+   Cyrus Daboo               Christian Kuhtz        Matthew Wall
+   Jutta Degener             Anand Kumria           Rolf Weber
+   Mark Delany               Steen Larsen           Brent B. Welch
+
+
+
+Resnick                     Standards Track                    [Page 39]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Steve Dorner              Eliot Lear             Dan Wing
+   Harold A. Driscoll        Barry Leiba            Jack De Winter
+   Michael Elkins            Jay Levitt             Gregory J. Woodhouse
+   Robert Elz                Lars-Johan Liman       Greg A. Woods
+   Johnny Eriksson           Charles Lindsey        Kazu Yamamoto
+   Erik E. Fair              Pete Loshin            Alain Zahm
+   Roger Fajman              Simon Lyall            Jamie Zawinski
+   Patrik Faltstrom          Bill Manning           Timothy S. Zurcher
+   Claus Andre Farber        John Martin
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 40]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+Appendix A. Example messages
+
+   This section presents a selection of messages.  These are intended to
+   assist in the implementation of this standard, but should not be
+   taken as normative; that is to say, although the examples in this
+   section were carefully reviewed, if there happens to be a conflict
+   between these examples and the syntax described in sections 3 and 4
+   of this document, the syntax in those sections is to be taken as
+   correct.
+
+   Messages are delimited in this section between lines of "----".  The
+   "----" lines are not part of the message itself.
+
+A.1. Addressing examples
+
+   The following are examples of messages that might be sent between two
+   individuals.
+
+A.1.1. A message from one person to another with simple addressing
+
+   This could be called a canonical message.  It has a single author,
+   John Doe, a single recipient, Mary Smith, a subject, the date, a
+   message identifier, and a textual message in the body.
+
+----
+From: John Doe <jdoe@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 41]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   If John's secretary Michael actually sent the message, though John
+   was the author and replies to this message should go back to him, the
+   sender field would be used:
+
+----
+From: John Doe <jdoe@machine.example>
+Sender: Michael Jones <mjones@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+A.1.2. Different types of mailboxes
+
+   This message includes multiple addresses in the destination fields
+   and also uses several different forms of addresses.
+
+----
+From: "Joe Q. Public" <john.q.public@example.com>
+To: Mary Smith <mary@x.test>, jdoe@example.org, Who? <one@y.test>
+Cc: <boss@nil.test>, "Giant; \"Big\" Box" <sysservices@example.net>
+Date: Tue, 1 Jul 2003 10:52:37 +0200
+Message-ID: <5678.21-Nov-1997@example.com>
+
+Hi everyone.
+----
+
+   Note that the display names for Joe Q. Public and Giant; "Big" Box
+   needed to be enclosed in double-quotes because the former contains
+   the period and the latter contains both semicolon and double-quote
+   characters (the double-quote characters appearing as quoted-pair
+   construct).  Conversely, the display name for Who? could appear
+   without them because the question mark is legal in an atom.  Notice
+   also that jdoe@example.org and boss@nil.test have no display names
+   associated with them at all, and jdoe@example.org uses the simpler
+   address form without the angle brackets.
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 42]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+A.1.3. Group addresses
+
+----
+From: Pete <pete@silly.example>
+To: A Group:Chris Jones <c@a.test>,joe@where.test,John <jdoe@one.test>;
+Cc: Undisclosed recipients:;
+Date: Thu, 13 Feb 1969 23:32:54 -0330
+Message-ID: <testabcd.1234@silly.example>
+
+Testing.
+----
+
+   In this message, the "To:" field has a single group recipient named A
+   Group which contains 3 addresses, and a "Cc:" field with an empty
+   group recipient named Undisclosed recipients.
+
+A.2. Reply messages
+
+   The following is a series of three messages that make up a
+   conversation thread between John and Mary.  John firsts sends a
+   message to Mary, Mary then replies to John's message, and then John
+   replies to Mary's reply message.
+
+   Note especially the "Message-ID:", "References:", and "In-Reply-To:"
+   fields in each message.
+
+----
+From: John Doe <jdoe@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 43]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   When sending replies, the Subject field is often retained, though
+   prepended with "Re: " as described in section 3.6.5.
+
+----
+From: Mary Smith <mary@example.net>
+To: John Doe <jdoe@machine.example>
+Reply-To: "Mary Smith: Personal Account" <smith@home.example>
+Subject: Re: Saying Hello
+Date: Fri, 21 Nov 1997 10:01:10 -0600
+Message-ID: <3456@example.net>
+In-Reply-To: <1234@local.machine.example>
+References: <1234@local.machine.example>
+
+This is a reply to your hello.
+----
+
+   Note the "Reply-To:" field in the above message.  When John replies
+   to Mary's message above, the reply should go to the address in the
+   "Reply-To:" field instead of the address in the "From:" field.
+
+----
+To: "Mary Smith: Personal Account" <smith@home.example>
+From: John Doe <jdoe@machine.example>
+Subject: Re: Saying Hello
+Date: Fri, 21 Nov 1997 11:00:00 -0600
+Message-ID: <abcd.1234@local.machine.tld>
+In-Reply-To: <3456@example.net>
+References: <1234@local.machine.example> <3456@example.net>
+
+This is a reply to your reply.
+----
+
+A.3. Resent messages
+
+   Start with the message that has been used as an example several
+   times:
+
+----
+From: John Doe <jdoe@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+
+
+
+Resnick                     Standards Track                    [Page 44]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   Say that Mary, upon receiving this message, wishes to send a copy of
+   the message to Jane such that (a) the message would appear to have
+   come straight from John; (b) if Jane replies to the message, the
+   reply should go back to John; and (c) all of the original
+   information, like the date the message was originally sent to Mary,
+   the message identifier, and the original addressee, is preserved.  In
+   this case, resent fields are prepended to the message:
+
+----
+Resent-From: Mary Smith <mary@example.net>
+Resent-To: Jane Brown <j-brown@other.example>
+Resent-Date: Mon, 24 Nov 1997 14:22:01 -0800
+Resent-Message-ID: <78910@example.net>
+From: John Doe <jdoe@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+   If Jane, in turn, wished to resend this message to another person,
+   she would prepend her own set of resent header fields to the above
+   and send that.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 45]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+A.4. Messages with trace fields
+
+   As messages are sent through the transport system as described in
+   [RFC2821], trace fields are prepended to the message.  The following
+   is an example of what those trace fields might look like.  Note that
+   there is some folding white space in the first one since these lines
+   can be long.
+
+----
+Received: from x.y.test
+   by example.net
+   via TCP
+   with ESMTP
+   id ABC12345
+   for <mary@example.net>;  21 Nov 1997 10:05:43 -0600
+Received: from machine.example by x.y.test; 21 Nov 1997 10:01:22 -0600
+From: John Doe <jdoe@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 46]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+A.5. White space, comments, and other oddities
+
+   White space, including folding white space, and comments can be
+   inserted between many of the tokens of fields.  Taking the example
+   from A.1.3, white space and comments can be inserted into all of the
+   fields.
+
+----
+From: Pete(A wonderful \) chap) <pete(his account)@silly.test(his host)>
+To:A Group(Some people)
+     :Chris Jones <c@(Chris's host.)public.example>,
+         joe@example.org,
+  John <jdoe@one.test> (my dear friend); (the end of the group)
+Cc:(Empty list)(start)Undisclosed recipients  :(nobody(that I know))  ;
+Date: Thu,
+      13
+        Feb
+          1969
+      23:32
+               -0330 (Newfoundland Time)
+Message-ID:              <testabcd.1234@silly.test>
+
+Testing.
+----
+
+   The above example is aesthetically displeasing, but perfectly legal.
+   Note particularly (1) the comments in the "From:" field (including
+   one that has a ")" character appearing as part of a quoted-pair); (2)
+   the white space absent after the ":" in the "To:" field as well as
+   the comment and folding white space after the group name, the special
+   character (".") in the comment in Chris Jones's address, and the
+   folding white space before and after "joe@example.org,"; (3) the
+   multiple and nested comments in the "Cc:" field as well as the
+   comment immediately following the ":" after "Cc"; (4) the folding
+   white space (but no comments except at the end) and the missing
+   seconds in the time of the date field; and (5) the white space before
+   (but not within) the identifier in the "Message-ID:" field.
+
+A.6. Obsoleted forms
+
+   The following are examples of obsolete (that is, the "MUST NOT
+   generate") syntactic elements described in section 4 of this
+   document.
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 47]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+A.6.1. Obsolete addressing
+
+   Note in the below example the lack of quotes around Joe Q. Public,
+   the route that appears in the address for Mary Smith, the two commas
+   that appear in the "To:" field, and the spaces that appear around the
+   "." in the jdoe address.
+
+----
+From: Joe Q. Public <john.q.public@example.com>
+To: Mary Smith <@machine.tld:mary@example.net>, , jdoe@test   . example
+Date: Tue, 1 Jul 2003 10:52:37 +0200
+Message-ID: <5678.21-Nov-1997@example.com>
+
+Hi everyone.
+----
+
+A.6.2. Obsolete dates
+
+   The following message uses an obsolete date format, including a non-
+   numeric time zone and a two digit year.  Note that although the
+   day-of-week is missing, that is not specific to the obsolete syntax;
+   it is optional in the current syntax as well.
+
+----
+From: John Doe <jdoe@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: 21 Nov 97 09:55:06 GMT
+Message-ID: <1234@local.machine.example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+A.6.3. Obsolete white space and comments
+
+   White space and comments can appear between many more elements than
+   in the current syntax.  Also, folding lines that are made up entirely
+   of white space are legal.
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 48]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+----
+From  : John Doe <jdoe@machine(comment).  example>
+To    : Mary Smith
+__
+          <mary@example.net>
+Subject     : Saying Hello
+Date  : Fri, 21 Nov 1997 09(comment):   55  :  06 -0600
+Message-ID  : <1234   @   local(blah)  .machine .example>
+
+This is a message just to say hello.
+So, "Hello".
+----
+
+   Note especially the second line of the "To:" field.  It starts with
+   two space characters.  (Note that "__" represent blank spaces.)
+   Therefore, it is considered part of the folding as described in
+   section 4.2.  Also, the comments and white space throughout
+   addresses, dates, and message identifiers are all part of the
+   obsolete syntax.
+
+Appendix B. Differences from earlier standards
+
+   This appendix contains a list of changes that have been made in the
+   Internet Message Format from earlier standards, specifically [RFC822]
+   and [STD3].  Items marked with an asterisk (*) below are items which
+   appear in section 4 of this document and therefore can no longer be
+   generated.
+
+   1. Period allowed in obsolete form of phrase.
+   2. ABNF moved out of document to [RFC2234].
+   3. Four or more digits allowed for year.
+   4. Header field ordering (and lack thereof) made explicit.
+   5. Encrypted header field removed.
+   6. Received syntax loosened to allow any token/value pair.
+   7. Specifically allow and give meaning to "-0000" time zone.
+   8. Folding white space is not allowed between every token.
+   9. Requirement for destinations removed.
+   10. Forwarding and resending redefined.
+   11. Extension header fields no longer specifically called out.
+   12. ASCII 0 (null) removed.*
+   13. Folding continuation lines cannot contain only white space.*
+   14. Free insertion of comments not allowed in date.*
+   15. Non-numeric time zones not allowed.*
+   16. Two digit years not allowed.*
+   17. Three digit years interpreted, but not allowed for generation.
+   18. Routes in addresses not allowed.*
+   19. CFWS within local-parts and domains not allowed.*
+   20. Empty members of address lists not allowed.*
+
+
+
+Resnick                     Standards Track                    [Page 49]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+   21. Folding white space between field name and colon not allowed.*
+   22. Comments between field name and colon not allowed.
+   23. Tightened syntax of in-reply-to and references.*
+   24. CFWS within msg-id not allowed.*
+   25. Tightened semantics of resent fields as informational only.
+   26. Resent-Reply-To not allowed.*
+   27. No multiple occurrences of fields (except resent and received).*
+   28. Free CR and LF not allowed.*
+   29. Routes in return path not allowed.*
+   30. Line length limits specified.
+   31. Bcc more clearly specified.
+
+Appendix C. Notices
+
+   Intellectual Property
+
+   The IETF takes no position regarding the validity or scope of any
+   intellectual property or other rights that might be claimed to
+   pertain to the implementation or use of the technology described in
+   this document or the extent to which any license under such rights
+   might or might not be available; neither does it represent that it
+   has made any effort to identify any such rights.  Information on the
+   IETF's procedures with respect to rights in standards-track and
+   standards-related documentation can be found in BCP-11.  Copies of
+   claims of rights made available for publication and any assurances of
+   licenses to be made available, or the result of an attempt made to
+   obtain a general license or permission for the use of such
+   proprietary rights by implementors or users of this specification can
+   be obtained from the IETF Secretariat.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 50]
+
+RFC 2822                Internet Message Format               April 2001
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (2001).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Resnick                     Standards Track                    [Page 51]
+
diff --git a/standards/rfc2910.txt b/standards/rfc2910.txt
new file mode 100644
index 000000000..e13631c2a
--- /dev/null
+++ b/standards/rfc2910.txt
@@ -0,0 +1,2579 @@
+
+
+
+
+
+
+Network Working Group                                 R. Herriot, Editor
+Request for Comments: 2910                             Xerox Corporation
+Obsoletes: 2565                                                S. Butler
+Category: Standards Track                                Hewlett-Packard
+                                                                P. Moore
+                                             Peerless Systems Networking
+                                                               R. Turner
+                                                               2wire.com
+                                                                 J. Wenn
+                                                       Xerox Corporation
+                                                          September 2000
+
+
+         Internet Printing Protocol/1.1: Encoding and Transport
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP). IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies. This document defines the
+   rules for encoding IPP operations and IPP attributes into a new
+   Internet mime media type called "application/ipp".  This document
+   also defines the rules for transporting over Hypertext Transfer
+   Protocol (HTTP) a message body whose Content-Type is
+   "application/ipp". This document defines a new scheme named 'ipp' for
+   identifying IPP printers and jobs.
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                     [Page 1]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   The full set of IPP documents includes:
+
+   Design Goals for an Internet Printing Protocol [RFC2567]
+   Rationale for the Structure and Model and Protocol for the Internet
+   Printing Protocol [RFC2568]
+   Internet Printing Protocol/1.1: Model and Semantics [RFC2911]
+   Internet Printing Protocol/1.1: Encoding and Transport (this
+   document)
+   Internet Printing Protocol/1.1: Implementer's Guide [ipp-iig]
+   Mapping between LPD and IPP Protocols [RFC2569]
+
+   The document, "Design Goals for an Internet Printing Protocol", takes
+   a broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet. It identifies
+   requirements for three types of users: end users, operators, and
+   administrators. It calls out a subset of end user requirements that
+   are satisfied in IPP/1.1. A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The document, "Rationale for the Structure and Model and Protocol for
+   the Internet Printing Protocol", describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The document, "Internet Printing Protocol/1.1: Model and Semantics",
+   describes a simplified model with abstract objects, their attributes,
+   and their operations that are independent of encoding and transport.
+   It introduces a Printer and a Job object. The Job object optionally
+   supports multiple documents per Job. It also addresses security,
+   internationalization, and directory issues.
+
+   The document "Internet Printing Protocol/1.1: Implementer's Guide",
+   gives advice to implementers of IPP clients and IPP objects.
+
+   The document "Mapping between LPD and IPP Protocols", gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                     [Page 2]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+Table of Contents
+
+   1. Introduction ...................................................4
+   2. Conformance Terminology ........................................4
+   3. Encoding of  the Operation Layer ...............................4
+      3.1  Picture of the Encoding ...................................6
+         3.1.1 Request and Response...................................6
+         3.1.2 Attribute Group........................................6
+         3.1.3 Attribute..............................................7
+         3.1.4 Picture of the Encoding of an Attribute-with-one-value.7
+         3.1.5 Additional-value.......................................8
+         3.1.6 Alternative Picture of the Encoding of a Request Or a
+               Response...............................................9
+      3.2  Syntax of Encoding ........................................9
+      3.3  Attribute-group ..........................................11
+      3.4  Required Parameters ......................................12
+         3.4.1 Version-number........................................12
+         3.4.2 Operation-id..........................................12
+         3.4.3 Status-code...........................................12
+         3.4.4 Request-id............................................13
+      3.5  Tags .....................................................13
+         3.5.1 Delimiter Tags........................................13
+         3.5.2 Value Tags............................................14
+      3.6  Name-Length ..............................................16
+      3.7  (Attribute) Name .........................................16
+      3.8  Value Length .............................................16
+      3.9  (Attribute) Value ........................................17
+      3.10 Data .....................................................18
+   4. Encoding of Transport Layer ...................................18
+      4.1  Printer-uri and job-uri ..................................19
+   5. IPP URL Scheme ................................................20
+   6. IANA Considerations ...........................................22
+   7. Internationalization Considerations ...........................23
+   8. Security Considerations .......................................23
+      8.1  Security Conformance Requirements ........................23
+         8.1.1 Digest Authentication.................................23
+         8.1.2 Transport Layer Security (TLS)........................24
+      8.2  Using IPP with TLS .......................................25
+   9. Interoperability with IPP/1.0 Implementations .................25
+      9.1  The "version-number" Parameter ...........................25
+      9.2  Security and URL Schemes .................................26
+   10. References ...................................................27
+   11. Authors' Addresses ...........................................29
+   12. Other Participants: ..........................................31
+   13. Appendix A: Protocol Examples ................................33
+      13.1 Print-Job Request ........................................33
+      13.2 Print-Job Response (successful) ..........................34
+      13.3 Print-Job Response (failure) .............................35
+
+
+
+Herriot, et al.             Standards Track                     [Page 3]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      13.4 Print-Job Response (success with attributes ignored) .....36
+      13.5 Print-URI Request ........................................38
+      13.6 Create-Job Request .......................................39
+      13.7 Get-Jobs Request .........................................40
+      13.8 Get-Jobs Response ........................................41
+   14. Appendix B: Registration of MIME Media Type Information for
+       "application/ipp".............................................42
+   15. Appendix C: Changes from IPP/1.0 .............................44
+   16. Full Copyright Statement .....................................45
+
+1. Introduction
+
+   This document contains the rules for encoding IPP operations and
+   describes two layers: the transport layer and the operation layer.
+
+   The transport layer consists of an HTTP/1.1 request or response. RFC
+   2616 [RFC2616] describes HTTP/1.1. This document specifies the HTTP
+   headers that an IPP implementation supports.
+
+   The operation layer consists of a message body in an HTTP request or
+   response.  The document "Internet Printing Protocol/1.1: Model and
+   Semantics" [RFC2911] defines the semantics of such a message body and
+   the supported values. This document specifies the encoding of an IPP
+   operation. The aforementioned document [RFC2911] is henceforth
+   referred to as the "IPP model document" or simply "model document".
+
+   Note:  the version number of IPP (1.1) and HTTP (1.1) are not linked.
+   They both just happen to be 1.1.
+
+2. Conformance Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHOULD", "SHOULD NOT",
+   "RECOMMENDED", "MAY", and  "OPTIONAL" in this document are to be
+   interpreted as described in RFC 2119 [RFC2119].
+
+3. Encoding of the Operation Layer
+
+   The operation layer is the message body part of the HTTP request or
+   response and it MUST contain a single IPP operation request or IPP
+   operation response.  Each request or response consists of a sequence
+   of values and attribute groups. Attribute groups consist of a
+   sequence of attributes each of which is a name and value.  Names and
+   values are ultimately sequences of octets.
+
+   The encoding consists of octets as the most primitive type. There are
+   several types built from octets, but three important types are
+   integers, character strings and octet strings, on which most other
+   data types are built. Every character string in this encoding MUST be
+
+
+
+Herriot, et al.             Standards Track                     [Page 4]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   a sequence of characters where the characters are associated with
+   some charset and some natural language. A character string MUST be in
+   "reading order" with the first character in the value (according to
+   reading order) being the first character in the encoding. A character
+   string whose associated charset is US-ASCII whose associated natural
+   language is US English is henceforth called a US-ASCII-STRING. A
+   character string whose associated charset and natural language are
+   specified in a request or response as described in the model document
+   is henceforth called a LOCALIZED-STRING.  An octet string MUST be in
+   "IPP model document order" with the first octet in the value
+   (according to the IPP model document order) being the first octet in
+   the encoding. Every integer in this encoding MUST be encoded as a
+   signed integer using two's-complement binary encoding with big-endian
+   format (also known as "network order" and "most significant byte
+   first"). The number of octets for an integer MUST be 1, 2 or 4,
+   depending on usage in the protocol. Such one-octet integers,
+   henceforth called SIGNED-BYTE, are used for the version-number and
+   tag fields. Such two-byte integers, henceforth called SIGNED-SHORT
+   are used for the operation-id, status-code and length fields. Four
+   byte integers, henceforth called SIGNED-INTEGER, are used for value
+   fields and the request-id.
+
+   The following two sections present the encoding of the operation
+   layer in two ways:
+
+      -  informally through pictures and description
+      -  formally through Augmented Backus-Naur Form (ABNF), as
+         specified by RFC 2234 [RFC2234]
+
+   An operation request or response MUST use the encoding described in
+   these two sections.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                     [Page 5]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+3.1 Picture of the Encoding
+
+3.1.1 Request and Response
+
+   An operation request or response is encoded as follows:
+
+   -----------------------------------------------
+   |                  version-number             |   2 bytes  - required
+   -----------------------------------------------
+   |               operation-id (request)        |
+   |                      or                     |   2 bytes  - required
+   |               status-code (response)        |
+   -----------------------------------------------
+   |                   request-id                |   4 bytes  - required
+   -----------------------------------------------
+   |                 attribute-group             |   n bytes - 0 or more
+   -----------------------------------------------
+   |              end-of-attributes-tag          |   1 byte   - required
+   -----------------------------------------------
+   |                     data                    |   q bytes  - optional
+   -----------------------------------------------
+
+   The first three fields in the above diagram contain the value of
+   attributes described in section 3.1.1 of the Model document.
+
+   The fourth field is the "attribute-group" field, and it occurs 0 or
+   more times. Each "attribute-group" field represents a single group of
+   attributes, such as an Operation Attributes group or a Job Attributes
+   group (see the Model document). The IPP model document specifies the
+   required attribute groups and their order for each operation request
+   and response.
+
+   The "end-of-attributes-tag" field is always present, even when the
+   "data" is not present.  The Model document specifies for each
+   operation request and response whether the "data" field is present or
+   absent.
+
+3.1.2 Attribute Group
+
+   Each "attribute-group" field is encoded as follows:
+
+   -----------------------------------------------
+   |           begin-attribute-group-tag         |  1 byte
+   ----------------------------------------------------------
+   |                   attribute                 |  p bytes |- 0 or more
+   ----------------------------------------------------------
+
+
+
+
+
+Herriot, et al.             Standards Track                     [Page 6]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   The "begin-attribute-group-tag" field marks the beginning of an
+   "attribute-group" field and its value identifies the type of
+   attribute group, e.g. Operations Attributes group versus a Job
+   Attributes group.  The "begin-attribute-group-tag" field also marks
+   the end of the previous attribute group except for the "begin-
+   attribute-group-tag" field in the first "attribute-group" field of a
+   request or response.  The "begin-attribute-group-tag" field acts as
+   an "attribute-group" terminator because an "attribute-group" field
+   cannot nest inside another "attribute-group" field.
+
+   An "attribute-group" field contains zero or more "attribute" fields.
+
+   Note, the values of the "begin-attribute-group-tag" field and the
+   "end-of-attributes-tag" field are called "delimiter-tags".
+
+3.1.3 Attribute
+
+   An "attribute" field is encoded as follows:
+
+   -----------------------------------------------
+   |          attribute-with-one-value           |  q bytes
+   ----------------------------------------------------------
+   |             additional-value                |  r bytes |- 0 or more
+   ----------------------------------------------------------
+
+   When an attribute is single valued (e.g. "copies" with value of 10)
+   or multi-valued with one value (e.g. "sides-supported" with just the
+   value 'one-sided') it is encoded with just an "attribute-with-one-
+   value" field. When an attribute is multi-valued with n values (e.g.
+   "sides-supported" with the values 'one-sided' and 'two-sided-long-
+   edge'), it is encoded with an "attribute-with-one-value" field
+   followed by n-1 "additional-value" fields.
+
+3.1.4 Picture of the Encoding of an Attribute-with-one-value
+
+   Each "attribute-with-one-value" field is encoded as follows:
+
+   -----------------------------------------------
+   |                   value-tag                 |   1 byte
+   -----------------------------------------------
+   |               name-length  (value is u)     |   2 bytes
+   -----------------------------------------------
+   |                     name                    |   u bytes
+   -----------------------------------------------
+   |              value-length  (value is v)     |   2 bytes
+   -----------------------------------------------
+   |                     value                   |   v bytes
+   -----------------------------------------------
+
+
+
+Herriot, et al.             Standards Track                     [Page 7]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   An "attribute-with-one-value" field is encoded with five subfields:
+
+      The "value-tag" field specifies the attribute syntax, e.g. 0x44
+      for the attribute syntax 'keyword'.
+
+      The "name-length" field specifies the length of the "name" field
+      in bytes, e.g. u in the above diagram or 15 for the name "sides-
+      supported".
+
+      The "name" field contains the textual name of the attribute, e.g.
+      "sides-supported".
+
+      The "value-length" field specifies the length of the "value" field
+      in bytes, e.g. v in the above diagram or 9 for the (keyword) value
+      'one-sided'.
+
+      The "value" field contains the value of the attribute, e.g. the
+      textual value 'one-sided'.
+
+3.1.5 Additional-value
+
+   Each "additional-value" field is encoded as follows:
+
+   -----------------------------------------------
+   |                   value-tag                 |   1 byte
+   -----------------------------------------------
+   |            name-length  (value is 0x0000)   |   2 bytes
+   -----------------------------------------------
+   |              value-length (value is w)      |   2 bytes
+   -----------------------------------------------
+   |                     value                   |   w bytes
+   -----------------------------------------------
+
+   An "additional-value" is encoded with four subfields:
+
+      The "value-tag" field specifies the attribute syntax, e.g. 0x44
+      for the attribute syntax 'keyword'.
+
+      The "name-length" field has the value of 0 in order to signify
+      that it is an "additional-value". The value of the "name-length"
+      field distinguishes an "additional-value" field ("name-length" is
+      0) from an "attribute-with-one-value" field ("name-length" is not
+      0).
+
+      The "value-length" field specifies the length of the "value" field
+      in bytes, e.g. w in the above diagram or 19 for the (keyword)
+      value 'two-sided-long-edge'.
+
+
+
+
+Herriot, et al.             Standards Track                     [Page 8]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      The "value" field contains the value of the attribute, e.g. the
+      textual value 'two-sided-long-edge'.
+
+3.1.6 Alternative Picture of the Encoding of a Request Or a Response
+
+   From the standpoint of a parser that performs an action based on a
+   "tag" value, the encoding consists of:
+
+   -----------------------------------------------
+   |                  version-number             |   2 bytes  - required
+   -----------------------------------------------
+   |               operation-id (request)        |
+   |                      or                     |   2 bytes  - required
+   |               status-code (response)        |
+   -----------------------------------------------
+   |                   request-id                |   4 bytes  - required
+   -----------------------------------------------------------
+   |        tag (delimiter-tag or value-tag)     |   1 byte  |
+   -----------------------------------------------           |-0 or more
+   |           empty or rest of attribute        |   x bytes |
+   -----------------------------------------------------------
+   |              end-of-attributes-tag          |   1 byte   - required
+   -----------------------------------------------
+   |                     data                    |   y bytes  - optional
+   -----------------------------------------------
+
+   The following show what fields the parser would expect after each
+   type of  "tag":
+
+      -  "begin-attribute-group-tag": expect zero or more "attribute"
+         fields
+      -  "value-tag": expect the remainder of an "attribute-with-one-
+         value" or  an "additional-value".
+      -  "end-of-attributes-tag": expect that "attribute" fields are
+         complete and there is optional "data"
+
+3.2 Syntax of Encoding
+
+   The syntax below is ABNF [RFC2234] except 'strings of literals' MUST
+   be case sensitive. For example 'a' means lower case  'a' and not
+   upper case 'A'.   In addition, SIGNED-BYTE and SIGNED-SHORT fields
+   are represented as '%x' values which show their range of values.
+
+      ipp-message = ipp-request / ipp-response
+      ipp-request = version-number operation-id request-id
+               *attribute-group end-of-attributes-tag data
+      ipp-response = version-number status-code request-id
+               *attribute-group end-of-attributes-tag data
+
+
+
+Herriot, et al.             Standards Track                     [Page 9]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      attribute-group = begin-attribute-group-tag *attribute
+
+      version-number = major-version-number minor-version-number
+      major-version-number = SIGNED-BYTE
+      minor-version-number = SIGNED-BYTE
+
+      operation-id = SIGNED-SHORT    ; mapping from model defined below
+      status-code = SIGNED-SHORT  ; mapping from model defined below
+      request-id = SIGNED-INTEGER ; whose value is > 0
+
+      attribute = attribute-with-one-value *additional-value
+
+      attribute-with-one-value = value-tag name-length name
+          value-length value
+      additional-value = value-tag zero-name-length value-length value
+
+      name-length = SIGNED-SHORT    ; number of octets of 'name'
+      name = LALPHA *( LALPHA / DIGIT / "-" / "_" / "." )
+      value-length = SIGNED-SHORT   ; number of octets of 'value'
+      value = OCTET-STRING
+
+      data = OCTET-STRING
+
+      zero-name-length = %x00.00            ; name-length of 0
+      value-tag = %x10-FF                  ;see section 3.7.2
+      begin-attribute-group-tag = %x00-02 / %04-0F ; see section 3.7.1
+      end-of-attributes-tag = %x03                  ; tag of 3
+                                    ; see section 3.7.1
+      SIGNED-BYTE = BYTE
+      SIGNED-SHORT = 2BYTE
+      SIGNED-INTEGER = 4BYTE
+      DIGIT = %x30-39    ;  "0" to "9"
+      LALPHA = %x61-7A   ;  "a" to "z"
+      BYTE = %x00-FF
+      OCTET-STRING = *BYTE
+
+   The syntax below defines additional terms that are referenced in this
+   document. This syntax provides an alternate grouping of the delimiter
+   tags.
+
+      delimiter-tag = begin-attribute-group-tag  / ; see section 3.7.1
+                end-of-attributes-tag
+      delimiter-tag = %x00-0F                      ; see section 3.7.1
+
+      begin-attribute-group-tag = %x00 / operation-attributes-tag /
+         job-attributes-tag / printer-attributes-tag /
+         unsupported-attributes-tag /  %x06-0F
+      operation-attributes-tag =  %x01              ; tag of 1
+
+
+
+Herriot, et al.             Standards Track                    [Page 10]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      job-attributes-tag    =  %x02                 ; tag of 2
+      printer-attributes-tag =  %x04                ; tag of 4
+      unsupported-attributes-tag =  %x05            ; tag of 5
+
+3.3 Attribute-group
+
+   Each "attribute-group" field MUST be encoded with the "begin-
+   attribute-group-tag" field followed by zero or more "attribute" sub-
+   fields.
+
+   The table below maps the model document group name to value of the
+   "begin-attribute-group-tag" field:
+
+      Model Document Group            "begin-attribute-group-tag" field
+                                      values
+
+      Operation Attributes            "operations-attributes-tag"
+      Job Template Attributes         "job-attributes-tag"
+      Job Object Attributes           "job-attributes-tag"
+      Unsupported Attributes          "unsupported-attributes-tag"
+      Requested Attributes            "job-attributes-tag"
+      (Get-Job-Attributes)
+      Requested Attributes            "printer-attributes-tag"
+      (Get-Printer-Attributes)
+      Document Content                in a special position as
+                                      described above
+
+   For each operation request and response, the model document
+   prescribes the required and optional attribute groups, along with
+   their order.  Within each attribute group, the model document
+   prescribes the required and optional attributes, along with their
+   order.
+
+   When the Model document requires an attribute group in a request or
+   response and the attribute group contains zero attributes, a request
+   or response SHOULD encode the attribute group with the "begin-
+   attribute-group-tag" field followed by zero "attribute" fields.  For
+   example, if the client requests a single unsupported attribute with
+   the Get-Printer-Attributes operation, the Printer MUST return no
+   "attribute" fields, and it SHOULD return a "begin-attribute-group-
+   tag" field for the Printer Attributes Group. The Unsupported
+   Attributes group is not such an example. According to the model
+   document, the Unsupported Attributes Group SHOULD be present only if
+   the unsupported attributes group contains at least one attribute.
+
+   A receiver of a request MUST be able to process the following as
+   equivalent empty attribute groups:
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 11]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      a) A "begin-attribute-group-tag" field with zero following
+         "attribute" fields.
+
+      b) An expected but missing "begin-attribute-group-tag" field.
+
+   When the Model document requires a sequence of an unknown number of
+   attribute groups, each of the same type, the encoding MUST contain
+   one "begin-attribute-group-tag" field for each attribute group even
+   when an "attribute-group" field contains zero "attribute" sub-fields.
+   For example, for the Get-Jobs operation may return zero attributes
+   for some jobs and not others. The "begin-attribute-group-tag" field
+   followed by zero "attribute" fields tells the recipient that there is
+   a job in queue for which no information is available except that it
+   is in the queue.
+
+3.4 Required Parameters
+
+   Some operation elements are called parameters in the model document
+   [RFC2911]. They MUST be encoded in a special position and they MUST
+   NOT appear as operation attributes.  These parameters are described
+   in the subsections below.
+
+3.4.1 Version-number
+
+   The "version-number" field MUST consist of a major and minor
+   version-number, each of which MUST be represented by a SIGNED-BYTE.
+   The major version-number MUST be the first byte of the encoding and
+   the minor version-number MUST be the second byte of the encoding. The
+   protocol described in this document MUST have a major version-number
+   of 1 (0x01) and a minor version-number of 1 (0x01).  The ABNF for
+   these two bytes MUST be %x01.01.
+
+3.4.2 Operation-id
+
+   The "operation-id" field MUST contain an operation-id value defined
+   in the model document. The value MUST be encoded as a SIGNED-SHORT
+   and it MUST be in the third and fourth bytes of the encoding of an
+   operation request.
+
+3.4.3 Status-code
+
+   The "status-code" field MUST contain a status-code value defined in
+   the model document. The value MUST be encoded as a SIGNED-SHORT and
+   it MUST be in the third and fourth bytes of the encoding of an
+   operation response.
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 12]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   The status-code is an operation attribute in the model document. In
+   the protocol, the status-code is in a special position, outside of
+   the operation attributes.
+
+   If an IPP status-code is returned, then the HTTP Status-Code MUST be
+   200 (successful-ok). With any other HTTP Status-Code value, the HTTP
+   response MUST NOT contain an IPP message-body, and thus no IPP
+   status-code is returned.
+
+3.4.4 Request-id
+
+   The "request-id" field MUST contain a request-id value as defined in
+   the model document. The value MUST be encoded as a SIGNED-INTEGER and
+   it MUST be in the fifth through eighth bytes of the encoding.
+
+3.5 Tags
+
+   There are two kinds of tags:
+
+      -  delimiter tags: delimit major sections of the protocol, namely
+         attributes and data
+      -  value tags: specify the type of each attribute value
+
+3.5.1 Delimiter Tags
+
+   The following table specifies the values for the delimiter tags:
+
+   Tag Value (Hex)    Meaning
+
+   0x00               reserved for definition in a future IETF
+                      standards track document
+   0x01               "operation-attributes-tag"
+   0x02               "job-attributes-tag"
+   0x03               "end-of-attributes-tag"
+   0x04               "printer-attributes-tag"
+   0x05               "unsupported-attributes-tag"
+   0x06-0x0f          reserved for future delimiters in IETF
+                      standards track documents
+
+   When a "begin-attribute-group-tag" field occurs in the protocol, it
+   means that zero or more following attributes up to the next delimiter
+   tag MUST be attributes belonging to the attribute group specified by
+   the value of the "begin-attribute-group-tag". For example, if the
+   value of "begin-attribute-group-tag" is 0x01, the following
+   attributes MUST be members of the Operations Attributes group.
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 13]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   The "end-of-attributes-tag" (value 0x03) MUST occur exactly once in
+   an operation.  It MUST be the last "delimiter-tag". If the operation
+   has a document-content group, the document data in that group MUST
+   follow the "end-of-attributes-tag".
+
+   The order and presence of "attribute-group" fields (whose beginning
+   is marked by the "begin-attribute-group-tag" subfield) for each
+   operation request and each operation response MUST be that defined in
+   the model document. For further details, see section 3.7 "(Attribute)
+   Name" and 13 "Appendix A: Protocol Examples".
+
+   A Printer MUST treat a "delimiter-tag" (values from 0x00 through
+   0x0F) differently from a "value-tag" (values from 0x10 through 0xFF)
+   so that the Printer knows that there is an entire attribute group
+   that it doesn't understand as opposed to a single value that it
+   doesn't understand.
+
+3.5.2 Value Tags
+
+   The remaining tables show values for the "value-tag" field, which is
+   the first octet of an attribute. The "value-tag" field specifies the
+   type of the value of the attribute.
+
+   The following table specifies the "out-of-band" values for the
+   "value-tag" field.
+
+   Tag Value (Hex)  Meaning
+
+   0x10             unsupported
+   0x11             reserved for 'default' for definition in a future
+                    IETF standards track document
+   0x12             unknown
+   0x13             no-value
+   0x14-0x1F        reserved for "out-of-band" values in future IETF
+                    standards track documents.
+
+   The following table specifies the integer values for the "value-tag"
+   field:
+
+   Tag Value (Hex)   Meaning
+
+   0x20              reserved for definition in a future IETF
+                     standards track document
+   0x21              integer
+   0x22              boolean
+   0x23              enum
+   0x24-0x2F         reserved for integer types for definition in
+                     future IETF standards track documents
+
+
+
+Herriot, et al.             Standards Track                    [Page 14]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   NOTE: 0x20 is reserved for "generic integer" if it should ever be
+   needed.
+
+   The following table specifies the octetString values for the "value-
+   tag" field:
+
+   Tag Value (Hex)   Meaning
+
+   0x30              octetString with an  unspecified format
+   0x31              dateTime
+   0x32              resolution
+   0x33              rangeOfInteger
+   0x34              reserved for definition in a future IETF
+                     standards track document
+   0x35              textWithLanguage
+   0x36              nameWithLanguage
+   0x37-0x3F         reserved for octetString type definitions in
+                     future IETF standards track documents
+
+   The following table specifies the character-string values for the
+   "value-tag" field:
+
+   Tag Value (Hex)   Meaning
+
+   0x40              reserved for definition in a future IETF
+                     standards track document
+   0x41              textWithoutLanguage
+   0x42              nameWithoutLanguage
+   0x43              reserved for definition in a future IETF
+                     standards track document
+   0x44              keyword
+   0x45              uri
+   0x46              uriScheme
+   0x47              charset
+   0x48              naturalLanguage
+   0x49              mimeMediaType
+   0x4A-0x5F         reserved for character string type definitions
+                     in future IETF standards track documents
+
+   NOTE: 0x40 is reserved for "generic character-string" if it should
+   ever be needed.
+
+   NOTE:  an attribute value always has a type, which is explicitly
+   specified by its tag; one such tag value is "nameWithoutLanguage".
+   An attribute's name has an implicit type, which is keyword.
+
+   The values 0x60-0xFF are reserved for future type definitions in IETF
+   standards track documents.
+
+
+
+Herriot, et al.             Standards Track                    [Page 15]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   The tag 0x7F is reserved for extending types beyond the 255 values
+   available with a single byte. A tag value of 0x7F MUST signify that
+   the first 4 bytes of the value field are interpreted as the tag
+   value.  Note this future extension doesn't affect parsers that are
+   unaware of this special tag. The tag is like any other unknown tag,
+   and the value length specifies the length of a value, which contains
+   a value that the parser treats atomically.  Values from 0x00 to
+   0x37777777 are reserved for definition in future IETF standard track
+   documents.  The values 0x40000000 to 0x7FFFFFFF are reserved for
+   vendor extensions.
+
+3.6 Name-Length
+
+   The "name-length" field MUST consist of a SIGNED-SHORT. This field
+   MUST specify the number of octets in the immediately following "name"
+   field.  The value of this field excludes the two bytes of the "name-
+   length" field. For example, if the "name" field contains "sides", the
+   value of this field is 5.
+
+   If a "name-length" field has a value of zero, the following "name"
+   field MUST be empty, and the following value MUST be treated as an
+   additional value for the attribute encoded in the nearest preceding
+   "attribute-with-one-value" field. Within an attribute group, if two
+   or more attributes have the same name, the attribute group is mal-
+   formed (see [RFC2911] section 3.1.3). The zero-length name is the
+   only mechanism for multi-valued attributes.
+
+3.7 (Attribute) Name
+
+   The "name" field MUST contain the name of an attribute. The model
+   document [RFC2911] specifies such names.
+
+3.8 Value Length
+
+   The "value-length" field MUST consist of a SIGNED-SHORT. This field
+   MUST specify the number of octets in the immediately following
+   "value" field.  The value of this field excludes the two bytes of the
+   "value-length" field. For example, if the "value" field contains the
+   keyword (text) value 'one-sided', the value of this field is 9.
+
+   For any of the types represented by binary signed integers, the
+   sender MUST encode the value in exactly four octets.
+
+   For any of the types represented by character-strings, the sender
+   MUST encode the value with all the characters of the string and
+   without any padding characters.
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 16]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   For "out-of-band" "value-tag" fields defined in this document, such
+   as "unsupported", the "value-length" MUST be 0 and the "value" empty;
+   the "value" has no meaning when the "value-tag" has one of these
+   "out-of-band" values. For future "out-of-band" "value-tag" fields,
+   the same rule holds unless the definition explicitly states that the
+   "value-length" MAY be non-zero and the "value" non-empty.
+
+3.9 (Attribute) Value
+
+   The syntax types (specified by the "value-tag" field) and most of the
+   details of the representation of attribute values are defined in the
+   IPP model document. The table below augments the information in the
+   model document, and defines the syntax types from the model document
+   in terms of the 5 basic types defined in section 3, "Encoding of the
+   Operation Layer". The 5 types are US-ASCII-STRING, LOCALIZED-STRING,
+   SIGNED-INTEGER, SIGNED-SHORT, SIGNED-BYTE, and OCTET-STRING.
+
+  Syntax of Attribute   Encoding
+  Value
+
+  textWithoutLanguage,  LOCALIZED-STRING.
+  nameWithoutLanguage
+
+  textWithLanguage      OCTET-STRING consisting of 4 fields:
+                          a. a SIGNED-SHORT which is the number of
+                             octets in the following field
+                          b. a value of type natural-language,
+                          c. a SIGNED-SHORT which is the number of
+                             octets in the following field,
+                          d. a value of type textWithoutLanguage.
+                        The length of a textWithLanguage value MUST be
+                        4 + the value of field a + the value of field c.
+
+  nameWithLanguage      OCTET-STRING consisting of 4 fields:
+                          a. a SIGNED-SHORT which is the number of
+                             octets in the following field
+                          b. a value of type natural-language,
+                          c. a SIGNED-SHORT which is the number of
+                             octets in the following field
+                          d. a value of type nameWithoutLanguage.
+                        The length of a nameWithLanguage value MUST be
+                        4 + the value of field a + the value of field c.
+
+  charset,              US-ASCII-STRING.
+  naturalLanguage,
+  mimeMediaType,
+  keyword, uri, and
+  uriScheme
+
+
+
+Herriot, et al.             Standards Track                    [Page 17]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Syntax of Attribute   Encoding
+  Value
+
+  boolean               SIGNED-BYTE  where 0x00 is 'false' and 0x01 is
+                        'true'.
+
+  integer and enum      a SIGNED-INTEGER.
+
+  dateTime              OCTET-STRING consisting of eleven octets whose
+                        contents are defined by "DateAndTime" in RFC
+                        1903 [RFC1903].
+
+  resolution            OCTET-STRING consisting of nine octets of  2
+                        SIGNED-INTEGERs followed by a SIGNED-BYTE. The
+                        first SIGNED-INTEGER contains the value of
+                        cross feed direction resolution. The second
+                        SIGNED-INTEGER contains the value of feed
+                        direction resolution. The SIGNED-BYTE contains
+                        the units
+
+  rangeOfInteger        Eight octets consisting of 2 SIGNED-INTEGERs.
+                        The first SIGNED-INTEGER contains the lower
+                        bound and the second SIGNED-INTEGER contains
+                        the upper bound.
+
+  1setOf  X             Encoding according to the rules for an
+                        attribute with more than 1 value.  Each value
+                        X is encoded according to the rules for
+                        encoding its type.
+
+  octetString           OCTET-STRING
+
+
+   The attribute syntax type of the value determines its encoding and
+   the value of its "value-tag".
+
+3.10 Data
+
+   The "data" field MUST include any data required by the operation
+
+4. Encoding of Transport Layer
+
+   HTTP/1.1 [RFC2616] is the transport layer for this protocol.
+
+   The operation layer has been designed with the assumption that the
+   transport layer contains the following information:
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 18]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      -  the URI of the target job or printer operation
+      -  the total length of the data in the operation layer, either as
+         a single length or as a sequence of chunks each with a length.
+
+   It is REQUIRED that a printer implementation support HTTP over the
+   IANA assigned Well Known Port 631 (the IPP default port), though a
+   printer implementation may support HTTP over some other port as well.
+
+   Each HTTP operation MUST use the POST method where the request-URI is
+   the object target of the operation, and where the "Content-Type" of
+   the message-body in each request and response MUST be
+   "application/ipp". The message-body MUST contain the operation layer
+   and MUST have the syntax described in section 3.2 "Syntax of
+   Encoding". A client implementation MUST adhere to the rules for a
+   client described for HTTP1.1 [RFC2616].  A printer (server)
+   implementation MUST adhere the rules for an origin server described
+   for HTTP1.1 [RFC2616].
+
+   An IPP server sends a response for each request that it receives.  If
+   an IPP server detects an error, it MAY send a response before it has
+   read the entire request.  If the HTTP layer of the IPP server
+   completes processing the HTTP headers successfully, it MAY send an
+   intermediate response, such as "100 Continue", with no IPP data
+   before sending the IPP response.  A client MUST expect such a variety
+   of responses from an IPP server. For further information on HTTP/1.1,
+   consult the HTTP documents [RFC2616].
+
+   An HTTP server MUST support chunking for IPP requests, and an IPP
+   client MUST support chunking for IPP responses according to  HTTP/1.1
+   [RFC2616].  Note: this rule causes a conflict with non-compliant
+   implementations of HTTP/1.1 that don't support chunking for POST
+   methods, and this rule may cause a conflict with non-compliant
+   implementations of HTTP/1.1 that don't support chunking for CGI
+   scripts.
+
+4.1 Printer-uri and job-uri
+
+   All Printer and Job objects are identified by a Uniform Resource
+   Identifier (URI) [RFC2396] so that they can be persistently and
+   unambiguously referenced.  Since every URL is a specialized form of a
+   URI, even though the more generic term URI is used throughout the
+   rest of this document, its usage is intended to cover the more
+   specific notion of URL as well.
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 19]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   Some operation elements are encoded twice, once as the request-URI on
+   the HTTP Request-Line and a second time as a REQUIRED operation
+   attribute in the application/ipp entity.  These attributes are the
+   target URI for the operation and are called printer-uri and job-uri.
+   Note: The target URI is included twice in an operation referencing
+   the same IPP object, but the two URIs NEED NOT be literally
+   identical. One can be a relative URI and the other can be an absolute
+   URI.  HTTP/1.1 allows clients to generate and send a relative URI
+   rather than an absolute URI.  A relative URI identifies a resource
+   with the scope of the HTTP server, but does not include scheme, host
+   or port.  The following statements characterize how URLs should be
+   used in the mapping of IPP onto HTTP/1.1:
+
+      1. Although potentially redundant, a client MUST supply the target
+         of the operation both as an operation attribute and as a URI at
+         the HTTP layer.  The rationale for this decision is to maintain
+         a consistent set of rules for mapping application/ipp to
+         possibly many communication layers, even where URLs are not
+         used as the addressing mechanism in the transport layer.
+      2. Even though these two URLs might not be literally identical
+         (one being relative and the other being absolute), they MUST
+         both reference the same IPP object. However, a Printer NEED NOT
+         verify that the two URLs reference the same IPP object, and
+         NEED NOT take any action if it determines the two URLs to be
+         different.
+      3. The URI in the HTTP layer is either relative or absolute and is
+         used by the HTTP server to route the HTTP request to the
+         correct resource relative to that HTTP server.  The HTTP server
+         need not be aware of the URI within the operation request.
+      4. Once the HTTP server resource begins to process the HTTP
+         request, it might get the reference to the appropriate IPP
+         Printer object from either the HTTP URI (using to the context
+         of the HTTP server for relative URLs) or from the URI within
+         the operation request; the choice is up to the implementation.
+      5. HTTP URIs can be relative or absolute, but the target URI in
+         the operation MUST be an absolute URI.
+
+5. IPP URL Scheme
+
+   The IPP/1.1 document defines a new scheme 'ipp' as the value of a URL
+   that identifies either an IPP printer object or an IPP job object.
+   The IPP attributes using the 'ipp' scheme are specified below.
+   Because the HTTP layer does not support the 'ipp' scheme, a client
+   MUST map 'ipp' URLs to 'http' URLs, and then follows the HTTP
+   [RFC2616][RFC2617] rules for constructing a Request-Line and HTTP
+   headers.  The mapping is simple because the 'ipp' scheme implies all
+   of the same protocol semantics as that of the 'http' scheme
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 20]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   [RFC2616], except that it represents a print service and the implicit
+   (default) port number that clients use to connect to a server is port
+   631.
+
+   In the remainder of this section the term 'ipp-URL' means a URL whose
+   scheme is 'ipp' and whose implicit (default) port is 631. The term
+   'http-URL' means a URL whose scheme is 'http', and the term 'https-
+   URL' means a URL whose scheme is 'https',
+
+   A client and an IPP object (i.e. the server) MUST support the ipp-URL
+   value in the following IPP attributes.
+       job attributes:
+           job-uri
+           job-printer-uri
+       printer attributes:
+           printer-uri-supported
+       operation attributes:
+           job-uri
+           printer-uri
+   Each of the above attributes identifies a printer or job object. The
+   ipp-URL is intended as the value of the attributes in this list, and
+   for no other attributes. All of these attributes have a syntax type
+   of 'uri', but there are attributes with a syntax type of 'uri' that
+   do not use the 'ipp' scheme, e.g. 'job-more-info'.
+
+   If a printer registers its URL with a directory service, the printer
+   MUST register an ipp-URL.
+
+   User interfaces are beyond the scope of this document. But if
+   software exposes the ipp-URL values of any of the above five
+   attributes to a human user, it is REQUIRED that the human see the
+   ipp-URL as is.
+
+   When a client sends a request, it MUST convert a target ipp-URL to a
+   target http-URL for the HTTP layer according to the following rules:
+
+      1. change the 'ipp' scheme to 'http'
+      2. add an explicit port 631 if the URL does not contain an
+         explicit port. Note: port 631 is the IANA assigned Well Known
+         Port for the 'ipp' scheme.
+
+   The client  MUST use the target http-URL in both the HTTP Request-
+   Line and HTTP headers, as specified by HTTP [RFC2616] [RFC2617] .
+   However, the client MUST use the target ipp-URL for the value of the
+   "printer-uri" or "job-uri" operation attribute within the
+   application/ipp body of the request. The server MUST use the ipp-URL
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 21]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   for the value of the "printer-uri", "job-uri" or "printer-uri-
+   supported" attributes within the application/ipp body of the
+   response.
+
+   For example, when an IPP client sends a request directly (i.e. no
+   proxy) to an ipp-URL "ipp://myhost.com/myprinter/myqueue", it opens a
+   TCP connection to port 631 (the ipp implicit port) on the host
+   "myhost.com" and sends the following data:
+
+    POST /myprinter/myqueue HTTP/1.1
+    Host: myhost.com:631
+    Content-type: application/ipp
+    Transfer-Encoding: chunked
+    ...
+    "printer-uri" "ipp://myhost.com/myprinter/myqueue"
+              (encoded in application/ipp message body)
+    ...
+
+   As another example, when an IPP client sends the same request as
+   above via a proxy "myproxy.com", it opens a TCP connection to the
+   proxy port 8080 on the proxy host "myproxy.com" and sends the
+   following data:
+
+    POST http://myhost.com:631/myprinter/myqueue   HTTP/1.1
+    Host: myhost.com:631
+    Content-type: application/ipp
+    Transfer-Encoding: chunked
+    ...
+    "printer-uri" "ipp://myhost.com/myprinter/myqueue"
+              (encoded in application/ipp message body)
+    ...
+
+   The proxy then connects to the IPP origin server with headers that
+   are the same as the "no-proxy" example above.
+
+6. IANA Considerations
+
+   This section describes the procedures for allocating encoding for the
+   following IETF standards track extensions and vendor extensions to
+   the IPP/1.1 Encoding and Transport document:
+
+      1. attribute syntaxes - see [RFC2911] section 6.3
+      2. attribute groups - see [RFC2911] section 6.5
+      3. out-of-band attribute values - see [RFC2911] section 6.7
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 22]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   These extensions follow the "type2" registration procedures defined
+   in [RFC2911] section 6.  Extensions registered for use with IPP/1.1
+   are OPTIONAL for client and IPP object conformance to the IPP/1.1
+   Encoding and Transport document.
+
+   These extension procedures are aligned with the guidelines as set
+   forth by the IESG [IANA-CON].  The [RFC2911] Section 11 describes how
+   to propose new registrations for consideration.  IANA will reject
+   registration proposals that leave out required information or do not
+   follow the appropriate format described in [RFC2911] Section 11.  The
+   IPP/1.1 Encoding and Transport document may also be extended by an
+   appropriate RFC that specifies any of the above extensions.
+
+7. Internationalization Considerations
+
+   See the section on "Internationalization Considerations" in the
+   document "Internet Printing Protocol/1.1: Model and Semantics"
+   [RFC2911] for information on internationalization. This document adds
+   no additional issues.
+
+8. Security Considerations
+
+   The IPP Model and Semantics document [RFC2911] discusses high level
+   security requirements (Client Authentication, Server Authentication
+   and Operation Privacy). Client Authentication is the mechanism by
+   which the client proves its identity to the server in a secure
+   manner. Server Authentication is the mechanism by which the server
+   proves its identity to the client in a secure manner. Operation
+   Privacy is defined as a mechanism for protecting operations from
+   eavesdropping.
+
+8.1 Security Conformance Requirements
+
+   This section defines the security requirements for IPP clients and
+   IPP objects.
+
+8.1.1 Digest Authentication
+
+   IPP clients MUST support:
+
+      Digest Authentication [RFC2617].
+
+         MD5 and MD5-sess MUST be implemented and supported.
+
+         The Message Integrity feature NEED NOT be used.
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 23]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   IPP Printers SHOULD support:
+
+      Digest Authentication [RFC2617].
+
+         MD5 and MD5-sess MUST be implemented and supported.
+
+         The Message Integrity feature NEED NOT be used.
+
+   The reasons that IPP Printers SHOULD (rather than MUST) support
+   Digest Authentication are:
+
+   1. While Client Authentication is important, there is a certain class
+      of printer devices where it does not make sense.  Specifically, a
+      low-end device with limited ROM space and low paper throughput may
+      not need Client Authentication.  This class of device typically
+      requires firmware designers to make trade-offs between protocols
+      and functionality to arrive at the lowest-cost solution possible.
+      Factored into the designer's decisions is not just the size of the
+      code, but also the testing, maintenance, usefulness, and time-to-
+      market impact for each feature delivered to the customer.  Forcing
+      such low-end devices to provide security in order to claim IPP/1.1
+      conformance would not make business sense and could potentially
+      stall the adoption of the standard.
+
+   2. Print devices that have high-volume throughput and have available
+      ROM space have a compelling argument to provide support for Client
+      Authentication that safeguards the device from unauthorized
+      access.  These devices are prone to a high loss of consumables and
+      paper if unauthorized access should occur.
+
+8.1.2 Transport Layer Security (TLS)
+
+   IPP Printers SHOULD support Transport Layer Security (TLS) [RFC2246]
+   for Server Authentication and Operation Privacy. IPP Printers MAY
+   also support TLS for Client Authentication.  If an IPP Printer
+   supports TLS, it MUST support the TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
+   cipher suite as mandated by RFC 2246 [RFC2246].  All other cipher
+   suites are OPTIONAL.  An IPP Printer MAY support Basic Authentication
+   (described in HTTP/1.1 [RFC2617])  for Client Authentication if the
+   channel is secure. TLS with the above mandated cipher suite can
+   provide such a secure channel.
+
+   If a IPP client supports TLS, it MUST support the
+   TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA cipher suite as mandated by RFC
+   2246 [RFC2246].  All other cipher suites are OPTIONAL.
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 24]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   The IPP Model and Semantics document defines two printer attributes
+   ("uri-authentication-supported" and "uri-security-supported") that
+   the client can use to discover the security policy of a printer. That
+   document also outlines IPP-specific security considerations and
+   should be the primary reference for security implications with regard
+   to the IPP protocol itself.  For backward compatibility with IPP
+   version 1.0, IPP clients and printers may also support SSL3 [ssl].
+   This is in addition to the security required in this document.
+
+8.2 Using IPP with TLS
+
+   IPP/1.1 uses the "Upgrading to TLS Within HTTP/1.1" mechanism
+   [RFC2817].  An initial IPP request never uses TLS.  The client
+   requests a secure TLS connection by using the HTTP "Upgrade" header,
+   while the server agrees in the HTTP response.  The switch to TLS
+   occurs either because the server grants the client's request to
+   upgrade to TLS, or a server asks to switch to TLS in its response.
+   Secure communication begins with a server's response to switch to
+   TLS.
+
+9. Interoperability with IPP/1.0 Implementations
+
+   It is beyond the scope of this specification to mandate conformance
+   with previous versions.  IPP/1.1 was deliberately designed, however,
+   to make supporting previous versions easy.  It is worth noting that,
+   at the time of composing this specification (1999), we would expect
+   IPP/1.1 Printer implementations to:
+
+      understand any valid request in the format of IPP/1.0, or 1.1;
+
+      respond appropriately with a response containing the same
+      "version-number" parameter value used by the client in the
+      request.
+
+   And we would expect IPP/1.1 clients to:
+
+      understand any valid response in the format of IPP/1.0, or 1.1.
+
+9.1 The "version-number" Parameter
+
+   The following are rules regarding the "version-number" parameter (see
+   section 3.3):
+
+      1. Clients MUST send requests containing a "version-number"
+         parameter with a '1.1' value and SHOULD try supplying alternate
+         version numbers if they receive a 'server-error-version-not-
+         supported' error return in a response.
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 25]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+      2. IPP objects MUST accept requests containing a "version-number"
+         parameter with a '1.1' value (or reject the request for reasons
+         other than 'server-error-version-not-supported').
+
+      3. It is recommended that IPP objects accept any request with the
+         major version '1' (or reject the request for reasons other than
+         'server-error-version-not-supported').  See [RFC2911]
+         "versions" sub-section.
+
+      4. In any case, security MUST NOT be compromised when a client
+         supplies a lower "version-number" parameter in a request.  For
+         example, if an IPP/1.1 conforming Printer object accepts
+         version '1.0' requests and is configured to enforce Digest
+         Authentication, it MUST do the same for a version '1.0'
+         request.
+
+9.2 Security and URL Schemes
+
+   The following are rules regarding security, the "version-number"
+   parameter, and the URL scheme supplied in target attributes and
+   responses:
+
+      1. When a client supplies a request, the "printer-uri" or "job-
+         uri" target operation attribute MUST have the same scheme as
+         that indicated in one of the values of the "printer-uri-
+         supported" Printer attribute.
+
+      2. When the server returns the "job-printer-uri" or "job-uri" Job
+         Description attributes, it SHOULD return the same scheme
+         ('ipp', 'https', 'http', etc.) that the client supplied in the
+         "printer-uri" or "job-uri" target operation attributes in the
+         Get-Job-Attributes or Get-Jobs request, rather than the scheme
+         used when the job was created.  However, when a client requests
+         job attributes using the Get-Job-Attributes or Get-Jobs
+         operations, the jobs and job attributes that the server returns
+         depends on: (1) the security in effect when the job was
+         created, (2) the security in effect in the query request, and
+         (3) the security policy in force.
+
+      3. It is recommended that if a server registers a non-secure ipp-
+         URL with a directory service (see [RFC2911] "Generic Directory
+         Schema" Appendix), then it also register an http-URL for
+         interoperability with IPP/1.0 clients (see section 9).
+
+      4. In any case, security MUST NOT be compromised when a client
+         supplies an 'http' or other non-secure URL scheme in the target
+         "printer-uri" and "job-uri" operation attributes in a request.
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 26]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+10. References
+
+   [dpa]      ISO/IEC 10175 Document Printing Application (DPA), June
+              1996.
+
+   [iana]     IANA Registry of Coded Character Sets:
+              ftp://ftp.isi.edu/in-notes/iana/assignments/character-
+              sets.
+
+   [IANA-CON] Narten, T. and H. Alvestrand, "Guidelines for Writing an
+              IANA Considerations Section in RFCs", BCP 26, RFC 2434,
+              October 1998.
+
+   [ipp-iig]  Hastings, Tom, et al., "Internet Printing Protocol/1.1:
+              Implementer's Guide", Work in Progress.
+
+   [RFC822]   Crocker, D., "Standard for the Format of ARPA Internet
+              Text Messages", STD 11, RFC 822, August 1982.
+
+   [RFC1123]  Braden, S., "Requirements for Internet Hosts - Application
+              and Support", STD 3, RFC 1123, October, 1989.
+
+   [RFC1179]  McLaughlin, L. III, (editor), "Line Printer Daemon
+              Protocol", RFC 1179, August 1990.
+
+   [RFC2223]  Postel, J. and J. Reynolds, "Instructions to RFC Authors",
+              RFC 2223, October 1997.
+
+   [RFC1738]  Berners-Lee, T., Masinter, L. and M. McCahill, "Uniform
+              Resource Locators (URL)", RFC 1738, December 1994.
+
+   [RFC1759]  Smith, R., Wright, F., Hastings, T., Zilles, S. and J.
+              Gyllenskog, "Printer MIB", RFC 1759, March 1995.
+
+   [RFC1766]  Alvestrand, H., "Tags for the Identification of
+              Languages", RFC 1766, March 1995.
+
+   [RFC1808]  Fielding, R., "Relative Uniform Resource Locators", RFC
+              1808, June 1995.
+
+   [RFC1903]  Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
+              "Textual Conventions for Version 2 of the Simple Network
+              Management Protocol (SNMPv2)", RFC 1903, January 1996.
+
+   [RFC2046]  Freed, N. and N. Borenstein, "Multipurpose Internet Mail
+              Extensions (MIME) Part Two: Media Types", RFC 2046,
+              November 1996.
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 27]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   [RFC2048]  Freed, N., Klensin, J. and J. Postel, "Multipurpose
+              Internet Mail Extension (MIME) Part Four: Registration
+              Procedures", BCP 13, RFC 2048, November 1996.
+
+   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
+              Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2184]  Freed, N. and K. Moore, "MIME Parameter Value and Encoded
+              Word Extensions: Character Sets, Languages, and
+              Continuations", RFC 2184, August 1997.
+
+   [RFC2234]  Crocker, D. and P. Overall, "Augmented BNF for Syntax
+              Specifications: ABNF", RFC 2234, November 1997.
+
+   [RFC2246]  Dierks, T. and C. Allen, "The TLS Protocol", RFC 2246.
+              January 1999.
+
+   [RFC2396]  Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform
+              Resource Identifiers (URI): Generic Syntax", RFC 2396,
+              August 1998.
+
+   [RFC2565]  Herriot, R., Butler, S., Moore, P. and R. Turner,
+              "Internet Printing Protocol/1.0: Encoding and Transport",
+              RFC 2565, April 1999.
+
+   [RFC2566]  deBry, R., Hastings, T., Herriot, R., Isaacson, S. and P.
+              Powell, "Internet Printing Protocol/1.0: Model and
+              Semantics", RFC 2566, April 1999.
+
+   [RFC2567]  Wright, D., "Design Goals for an Internet Printing
+              Protocol", RFC2567, April 1999.
+
+   [RFC2568]  Zilles, S., "Rationale for the Structure and Model and
+              Protocol for the Internet Printing Protocol", RFC 2568,
+              April 1999.
+
+   [RFC2569]  Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+              "Mapping between LPD and IPP Protocols", RFC 2569, April
+              1999.
+
+   [RFC2616]  Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,
+              Masinter, L., Leach, P. and T. Berners-Lee, "Hypertext
+              Transfer Protocol - HTTP/1.1", RFC 2616, June 1999.
+
+   [RFC2617]  Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S.,
+              Leach, P., Luotonen, A. and L. Stewart, "HTTP
+              Authentication: Basic and Digest Access Authentication",
+              RFC 2617, June 1999.
+
+
+
+Herriot, et al.             Standards Track                    [Page 28]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   [RFC2817]  Khare, R. and S. Lawrence, "Upgrading to TLS Within
+              HTTP/1.1", RFC 2817, May 2000.
+
+   [RFC2910]  Herriot, R., Butler, S., Moore, P., Turner, R. and J.
+              Wenn, "Internet Printing Protocol/1.1: Encoding and
+              Transport", RFC 2910, September 2000.
+
+   [RFC2911]  Hastings, T., Herriot, R., deBry, R., Isaacson, S. and P.
+              Powell, "Internet Printing Protocol/1.1: Model and
+              Semantics", RFC 2911, September 2000.
+
+   [SSL]      Netscape, The SSL Protocol, Version 3, (Text version
+              3.02), November 1996.
+
+11. Authors' Addresses
+
+   Robert Herriot, Editor
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:   650-813-6860
+   EMail: robert.herriot@pahv.xerox.com
+
+
+   Sylvan Butler
+   Hewlett-Packard
+   11311 Chinden Blvd.
+   Boise, ID 83714
+
+   Phone: 208-396-6000
+   Fax: 208-396-3457
+   EMail: sbutler@boi.hp.com
+
+
+   Paul Moore
+   Peerless Systems Networking
+   10900 NE 8th St #900
+   Bellevue, WA 98004
+
+   Phone: 425-462-5852
+   EMail: pmoore@peerless.com
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 29]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   Randy Turner
+   2Wire, Inc.
+   694 Tasman Dr.
+   Milpitas, CA 95035
+
+   Phone: 408-546-1273
+
+
+   John Wenn
+   Xerox Corporation
+   737 Hawaii St
+   El Segundo, CA  90245
+
+   Phone: 310-333-5764
+   Fax: 310-333-5514
+   EMail: jwenn@cp10.es.xerox.com
+
+
+   IPP Web Page: http://www.pwg.org/ipp/
+   IPP Mailing List: ipp@pwg.org
+
+   To subscribe to the ipp mailing list, send the following email:
+      1) send it to majordomo@pwg.org
+      2) leave the subject line blank
+      3) put the following two lines in the message body:
+              subscribe ipp
+              end
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 30]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+12. Other Participants:
+
+   Chuck Adams - Tektronix             Shivaun Albright - HP
+   Stefan Andersson - Axis             Jeff Barnett - IBM
+   Ron Bergman - Hitachi Koki Imaging  Dennis Carney - IBM
+   Systems
+   Keith Carter - IBM                  Angelo Caruso - Xerox
+   Rajesh Chawla - TR Computing        Nancy Chen - Okidata
+   Solutions
+   Josh Cohen - Microsoft              Jeff Copeland - QMS
+   Andy Davidson - Tektronix           Roger deBry - IBM
+   Maulik Desai - Auco                 Mabry Dozier - QMS
+   Lee Farrell - Canon Information     Satoshi Fujitami - Ricoh
+   Systems
+   Steve Gebert - IBM                  Sue Gleeson - Digital
+   Charles Gordon - Osicom             Brian Grimshaw - Apple
+   Jerry Hadsell - IBM                 Richard Hart - Digital
+   Tom Hastings - Xerox                Henrik Holst - I-data
+   Stephen Holmstead                   Zhi-Hong Huang - Zenographics
+   Scott Isaacson - Novell             Babek Jahromi - Microsoft
+   Swen Johnson - Xerox                David Kellerman - Northlake
+                                       Software
+   Robert Kline - TrueSpectra          Charles Kong - Panasonic
+   Carl Kugler - IBM                   Dave Kuntz - Hewlett-Packard
+   Takami Kurono - Brother             Rick Landau - Digital
+   Scott Lawrence - Agranot Systems    Greg LeClair - Epson
+   Dwight Lewis - Lexmark              Harry Lewis - IBM
+   Tony Liao - Vivid Image             Roy Lomicka - Digital
+   Pete Loya - HP                      Ray Lutz - Cognisys
+   Mike MacKay - Novell, Inc.          David Manchala - Xerox
+   Carl-Uno Manros - Xerox             Jay Martin - Underscore
+   Stan McConnell - Xerox              Larry Masinter - Xerox
+   Sandra Matts - Hewlett Packard      Peter Michalek - Shinesoft
+   Ira McDonald - High North Inc.      Mike Moldovan - G3 Nova
+   Tetsuya Morita - Ricoh              Yuichi Niwa - Ricoh
+   Pat Nogay - IBM                     Ron Norton - Printronics
+   Hugo Parra, Novell                  Bob Pentecost - Hewlett-Packard
+   Patrick Powell - Astart             Jeff Rackowitz - Intermec
+   Technologies
+   Eric Random - Peerless              Rob Rhoads - Intel
+   Xavier Riley - Xerox                Gary Roberts - Ricoh
+   David Roach - Unisys                Stuart Rowley - Kyocera
+   Yuji Sasaki - Japan Computer        Richard Schneider - Epson
+   Industry
+   Kris Schoff - HP                    Katsuaki Sekiguchi - Canon
+                                       Information Systems
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 31]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   Bob Setterbo - Adobe                Gail Songer - Peerless
+   Hideki Tanaka - Cannon Information  Devon Taylor - Novell, Inc.
+   Systems
+   Mike Timperman - Lexmark            Atsushi Uchino - Epson
+   Shigeru Ueda - Canon                Bob Von Andel - Allegro Software
+   William Wagner - NetSilicon/DPI     Jim Walker - DAZEL
+   Chris Wellens - Interworking Labs   Trevor Wells - Hewlett Packard
+   Craig Whittle - Sharp Labs          Rob Whittle - Novell, Inc.
+   Jasper Wong - Xionics               Don Wright - Lexmark
+   Michael Wu - Heidelberg Digital     Rick Yardumian - Xerox
+   Michael Yeung - Canon Information   Lloyd Young - Lexmark
+   Systems
+   Atsushi Yuki - Kyocera              Peter Zehler - Xerox
+   William Zhang - Canon Information   Frank Zhao - Panasonic
+   Systems
+   Steve Zilles - Adobe                Rob Zirnstein - Canon Information
+                                       Systems
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 32]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+13. Appendix A: Protocol Examples
+
+13.1 Print-Job Request
+
+   The following is an example of a Print-Job request with job-name,
+   copies, and sides specified. The "ipp-attribute-fidelity" attribute
+   is set to 'true' so that the print request will fail if the "copies"
+   or the "sides" attribute are not supported or their values are not
+   supported.
+
+  Octets          Symbolic Value                Protocol field
+
+  0x0101          1.1                           version-number
+  0x0002          Print-Job                     operation-id
+  0x00000001      1                             request-id
+  0x01            start operation-attributes    operation-attributes-tag
+  0x47            charset type                  value-tag
+  0x0012                                        name-length
+  attributes-     attributes-charset            name
+  charset
+  0x0008                                        value-length
+  us-ascii        US-ASCII                      value
+  0x48            natural-language type         value-tag
+  0x001B                                        name-length
+  attributes-                                   name
+  natural-        attributes-natural-language
+  language
+  0x0005                                        value-length
+  en-us           en-US                         value
+  0x45            uri type                      value-tag
+  0x000B                                        name-length
+  printer-uri     printer-uri                   name
+  0x0015                                        value-length
+  ipp://forest/   printer pinetree              value
+    pinetree
+  0x42            nameWithoutLanguage type      value-tag
+  0x0008                                        name-length
+  job-name        job-name                      name
+  0x0006                                        value-length
+  foobar          foobar                        value
+  0x22            boolean type                  value-tag
+  0x0016                                        name-length
+  ipp-attribute-  ipp-attribute-fidelity        name
+  fidelity
+  0x0001                                        value-length
+  0x01            true                          value
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 33]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets          Symbolic Value                Protocol field
+
+  0x02            start job-attributes          job-attributes-tag
+  0x21            integer type                  value-tag
+  0x0006                                        name-length
+  copies          copies                        name
+  0x0004                                        value-length
+  0x00000014      20                            value
+  0x44            keyword type                  value-tag
+  0x0005                                        name-length
+  sides           sides                         name
+  0x0013                                        value-length
+  two-sided-      two-sided-long-edge           value
+  long-edge
+  0x03            end-of-attributes             end-of-attributes-tag
+  %!PS...         <PostScript>                  data
+
+13.2 Print-Job Response (successful)
+
+   Here is an example of a successful Print-Job response to the previous
+   Print-Job request.  The printer supported the "copies" and "sides"
+   attributes and their supplied values.  The status code returned is
+   'successful-ok'.
+
+  Octets            Symbolic Value              Protocol field
+
+  0x0101            1.1                         version-number
+  0x0000            successful-ok               status-code
+  0x00000001        1                           request-id
+  0x01              start operation-attributes  operation-attributes-tag
+  0x47              charset type                value-tag
+  0x0012                                        name-length
+  attributes-       attributes-charset          name
+  charset
+  0x0008                                        value-length
+  us-ascii          US-ASCII                    value
+  0x48              natural-language type       value-tag
+  0x001B                                        name-length
+  attributes-       attributes-natural-         name
+  natural-language  language
+  0x0005                                        value-length
+  en-us             en-US                       value
+  0x41              textWithoutLanguage type    value-tag
+  0x000E                                        name-length
+  status-message    status-message              name
+  0x000D                                        value-length
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 34]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets            Symbolic Value              Protocol field
+
+  successful-ok     successful-ok               value
+  0x02              start job-attributes        job-attributes-tag
+  0x21              integer                     value-tag
+  0x0006                                        name-length
+  job-id            job-id                      name
+  0x0004                                        value-length
+  147               147                         value
+  0x45              uri type                    value-tag
+  0x0007                                        name-length
+  job-uri           job-uri                     name
+  0x0019                                        value-length
+  ipp://forest/     job 123 on pinetree         value
+    pinetree/123
+  0x23              enum type                   value-tag
+  0x0009                                        name-length
+  job-state         job-state                   name
+  0x0004                                        value-length
+  0x0003            pending                     value
+  0x03              end-of-attributes           end-of-attributes-tag
+
+13.3 Print-Job Response (failure)
+
+   Here is an example of an unsuccessful Print-Job response to the
+   previous Print-Job request. It fails because, in this case, the
+   printer does not support the "sides" attribute and because the value
+   '20' for the "copies" attribute is not supported. Therefore, no job
+   is created, and neither a "job-id" nor a "job-uri" operation
+   attribute is returned. The error code returned is 'client-error-
+   attributes-or-values-not-supported' (0x040B).
+
+  0x0101        1.1                           version-number
+  0x040B        client-error-attributes-or-   status-code
+                values-not-supported
+  0x00000001    1                             request-id
+  0x01          start operation-attributes    operation-attributes tag
+  0x47          charset type                  value-tag
+  0x0012                                      name-length
+  attributes-   attributes-charset            name
+  charset
+  0x0008                                      value-length
+  us-ascii      US-ASCII                      value
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 35]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets        Symbolic Value                Protocol field
+
+  0x48          natural-language type         value-tag
+  0x001B                                      name-length
+  attributes-   attributes-natural-language   name
+  natural-
+  language
+  0x0005                                      value-length
+  en-us         en-US                         value
+  0x41          textWithoutLanguage type      value-tag
+  0x000E                                      name-length
+  status-       status-message                name
+  message
+  0x002F                                      value-length
+  client-error-                               value
+  attributes-   values-not-supported
+  or-values-    client-error-attributes-or-
+  not-supported
+  0x05          start unsupported-attributes  unsupported-attributes tag
+  0x21          integer type                  value-tag
+  0x0006                                      name-length
+  copies        copies                        name
+  0x0004                                      value-length
+  0x00000014    20                            value
+  0x10          unsupported  (type)           value-tag
+  0x0005                                      name-length
+  sides         sides                         name
+  0x0000                                      value-length
+  0x03          end-of-attributes             end-of-attributes-tag
+
+13.4 Print-Job Response (success with attributes ignored)
+
+   Here is an example of a successful Print-Job response to a Print-Job
+   request like the previous Print-Job request, except that the value of
+   'ipp-attribute-fidelity' is false. The print request succeeds, even
+   though, in this case, the printer supports neither the "sides"
+   attribute nor the value '20' for the "copies" attribute. Therefore, a
+   job is created, and both a "job-id" and a "job-uri" operation
+   attribute are returned. The unsupported attributes are also returned
+   in an Unsupported Attributes Group. The error code returned is
+   'successful-ok-ignored-or-substituted-attributes' (0x0001).
+
+  Octets            Symbolic Value              Protocol field
+
+  0x0101            1.1                         version-number
+  0x0001            successful-ok-ignored-or-   status-code
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 36]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets            Symbolic Value              Protocol field
+
+                    substituted-attributes
+  0x00000001        1                           request-id
+  0x01              start operation-attributes  operation-attributes-tag
+  0x47              charset type                value-tag
+  0x0012                                        name-length
+  attributes-       attributes-charset          name
+  charset
+  0x0008                                        value-length
+  us-ascii          US-ASCII                    value
+  0x48              natural-language type       value-tag
+  0x001B                                        name-length
+  attributes-       attributes-natural-         name
+  natural-language  language
+  0x0005                                        value-length
+  en-us             en-US                       value
+  0x41              textWithoutLanguage type    value-tag
+  0x000E                                        name-length
+  status-message    status-message              name
+  0x002F                                        value-length
+  successful-ok-    successful-ok-ignored-or-   value
+  ignored-or-       substituted-attributes
+  substituted-
+  attributes
+  0x05              start unsupported-          unsupported-attributes
+                    attributes                  tag
+  0x21              integer type                value-tag
+  0x0006                                        name-length
+  copies            copies                      name
+  0x0004                                        value-length
+  0x00000014        20                          value
+  0x10              unsupported  (type)         value-tag
+  0x0005                                        name-length
+  sides             sides                       name
+  0x0000                                        value-length
+  0x02              start job-attributes        job-attributes-tag
+  0x21              integer                     value-tag
+  0x0006                                        name-length
+  job-id            job-id                      name
+  0x0004                                        value-length
+  147               147                         value
+  0x45              uri type                    value-tag
+  0x0007                                        name-length
+  job-uri           job-uri                     name
+  0x0019                                        value-length
+  ipp://forest/     job 123 on pinetree         value
+    pinetree/123
+
+
+
+Herriot, et al.             Standards Track                    [Page 37]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets           Symbolic Value               Protocol field
+
+  0x23              enum  type                  value-tag
+  0x0009                                        name-length
+  job-state         job-state                   name
+  0x0004                                        value-length
+  0x0003            pending                     value
+  0x03              end-of-attributes           end-of-attributes-tag
+
+13.5 Print-URI Request
+
+   The following is an example of Print-URI request with copies and
+   job-name parameters:
+
+  Octets         Symbolic Value               Protocol field
+
+  0x0101         1.1                          version-number
+  0x0003         Print-URI                    operation-id
+  0x00000001     1                            request-id
+  0x01           start operation-attributes   operation-attributes-tag
+  0x47           charset type                 value-tag
+  0x0012                                      name-length
+  attributes-    attributes-charset           name
+  charset
+  0x0008                                      value-length
+  us-ascii       US-ASCII                     value
+  0x48           natural-language type        value-tag
+  0x001B                                      name-length
+  attributes-    attributes-natural-language  name
+  natural-
+  language
+  0x0005                                      value-length
+  en-us          en-US                        value
+  0x45           uri type                     value-tag
+  0x000B                                      name-length
+  printer-uri    printer-uri                  name
+  0x0015                                      value-length
+  ipp://forest/  printer pinetree             value
+    pinetree
+  0x45           uri type                     value-tag
+  0x000C                                      name-length
+  document-uri   document-uri                 name
+  0x0011                                      value-length
+  ftp://foo.com  ftp://foo.com/foo            value
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 38]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets         Symbolic Value               Protocol field
+
+  /foo
+  0x42           nameWithoutLanguage type     value-tag
+  0x0008                                      name-length
+  job-name       job-name                     name
+  0x0006                                      value-length
+  foobar         foobar                       value
+  0x02           start job-attributes         job-attributes-tag
+  0x21           integer type                 value-tag
+  0x0006                                      name-length
+  copies         copies                       name
+  0x0004                                      value-length
+  0x00000001     1                            value
+  0x03           end-of-attributes            end-of-attributes-tag
+
+13.6 Create-Job Request
+
+   The following is an example of Create-Job request with no parameters
+   and no attributes:
+
+  Octets         Symbolic Value               Protocol field
+
+  0x0101         1.1                          version-number
+  0x0005         Create-Job                   operation-id
+  0x00000001     1                            request-id
+  0x01           start operation-attributes   operation-attributes-tag
+  0x47           charset type                 value-tag
+  0x0012                                      name-length
+  attributes-    attributes-charset           name
+  charset
+  0x0008                                      value-length
+  us-ascii       US-ASCII                     value
+  0x48           natural-language type        value-tag
+  0x001B                                      name-length
+  attributes-    attributes-natural-language  name
+  natural-
+  language
+  0x0005                                      value-length
+  en-us          en-US                        value
+  0x45           uri type                     value-tag
+  0x000B                                      name-length
+  printer-uri    printer-uri                  name
+  0x0015                                      value-length
+  ipp://forest/  printer pinetree             value
+    pinetree
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 39]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets         Symbolic Value               Protocol field
+
+  inetree
+  0x03           end-of-attributes            end-of-attributes-tag
+
+13.7 Get-Jobs Request
+
+   The following is an example of Get-Jobs request with parameters but
+   no attributes:
+
+  Octets           Symbolic Value               Protocol field
+
+  0x0101           1.1                          version-number
+  0x000A           Get-Jobs                     operation-id
+  0x00000123       0x123                        request-id
+  0x01             start operation-attributes   operation-attributes-tag
+  0x47             charset type                 value-tag
+  0x0012                                        name-length
+  attributes-      attributes-charset           name
+  charset
+  0x0008                                        value-length
+  us-ascii         US-ASCII                     value
+  0x48             natural-language type        value-tag
+  0x001B                                        name-length
+  attributes-      attributes-natural-language  name
+  natural-
+  language
+  0x0005                                        value-length
+  en-us            en-US                        value
+  0x45             uri type                     value-tag
+  0x000B                                        name-length
+  printer-uri      printer-uri                  name
+  0x0015                                        value-length
+  ipp://forest/    printer pinetree             value
+  pinetree
+  0x21             integer type                 value-tag
+  0x0005                                        name-length
+  limit            limit                        name
+  0x0004                                        value-length
+  0x00000032       50                           value
+  0x44             keyword type                 value-tag
+  0x0014                                        name-length
+  requested-       requested-attributes         name
+  attributes
+  0x0006                                        value-length
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 40]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets           Symbolic Value               Protocol field
+
+  job-id           job-id                       value
+  0x44             keyword type                 value-tag
+  0x0000           additional value             name-length
+  0x0008                                        value-length
+  job-name         job-name                     value
+  0x44             keyword type                 value-tag
+  0x0000           additional value             name-length
+  0x000F                                        value-length
+  document-format  document-format              value
+  0x03             end-of-attributes            end-of-attributes-tag
+
+13.8 Get-Jobs Response
+
+   The following is an of Get-Jobs response from previous request with 3
+   jobs. The Printer returns no information about the second job
+   (because of security reasons):
+
+  Octets           Symbolic Value                Protocol field
+
+  0x0101           1.1                           version-number
+  0x0000           successful-ok                 status-code
+  0x00000123       0x123                         request-id (echoed
+                                                 back)
+  0x01             start operation-attributes    operation-attributes-tag
+  0x47             charset type                  value-tag
+  0x0012                                         name-length
+  attributes-      attributes-charset            name
+  charset
+  0x000A                                         value-length
+  ISO-8859-1       ISO-8859-1                    value
+  0x48             natural-language type         value-tag
+  0x001B                                         name-length
+  attributes-      attributes-natural-language   name
+  natural-
+  language
+  0x0005                                         value-length
+  en-us            en-US                         value
+  0x41             textWithoutLanguage type      value-tag
+  0x000E                                         name-length
+  status-message   status-message                name
+  0x000D                                         value-length
+  successful-ok    successful-ok                 value
+  0x02             start job-attributes (1st     job-attributes-tag
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 41]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+  Octets           Symbolic Value                Protocol field
+
+                   object)
+  0x21             integer type                  value-tag
+  0x0006                                         name-length
+  job-id           job-id                        name
+  0x0004                                         value-length
+  147              147                           value
+  0x36             nameWithLanguage              value-tag
+  0x0008                                         name-length
+  job-name         job-name                      name
+  0x000C                                         value-length
+  0x0005                                         sub-value-length
+  fr-ca            fr-CA                         value
+  0x0003                                         sub-value-length
+  fou              fou                           name
+  0x02             start job-attributes (2nd     job-attributes-tag
+                   object)
+  0x02             start job-attributes (3rd     job-attributes-tag
+                   object)
+  0x21             integer type                  value-tag
+  0x0006                                         name-length
+  job-id           job-id                        name
+  0x0004                                         value-length
+  148              149                           value
+  0x36             nameWithLanguage              value-tag
+  0x0008                                         name-length
+  job-name         job-name                      name
+  0x0012                                         value-length
+  0x0005                                         sub-value-length
+  de-CH            de-CH                         value
+  0x0009                                         sub-value-length
+  isch guet        isch guet                     name
+  0x03             end-of-attributes             end-of-attributes-tag
+
+14. Appendix B: Registration of MIME Media Type Information for
+   "application/ipp"
+
+   This appendix contains the information that IANA requires for
+   registering a MIME media type.  The information following this
+   paragraph will be forwarded to IANA to register application/ipp whose
+   contents are defined in Section 3 "Encoding of  the Operation Layer"
+   in this document:
+
+   MIME type name: application
+
+   MIME subtype name: ipp
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 42]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   A Content-Type of "application/ipp" indicates an Internet Printing
+   Protocol message body (request or response). Currently there is one
+   version: IPP/1.1, whose syntax is described in Section 3 "Encoding of
+   the Operation Layer" of [RFC2910], and whose semantics are described
+   in [RFC2911].
+
+   Required parameters:  none
+
+   Optional parameters:  none
+
+   Encoding considerations:
+
+   IPP/1.1 protocol requests/responses MAY contain long lines and ALWAYS
+   contain binary data (for example attribute value lengths).
+
+   Security considerations:
+
+   IPP/1.1 protocol requests/responses do not introduce any security
+   risks not already inherent in the underlying transport protocols.
+   Protocol mixed-version interworking rules in [RFC2911] as well as
+   protocol encoding rules in [RFC2910] are complete and unambiguous.
+
+   Interoperability considerations:
+
+   IPP/1.1 requests (generated by clients) and responses (generated by
+   servers) MUST comply with all conformance requirements imposed by the
+   normative specifications [RFC2911] and [RFC2910]. Protocol encoding
+   rules specified in [RFC2910] are comprehensive, so that
+   interoperability between conforming implementations is guaranteed
+   (although support for specific optional features is not ensured).
+   Both the "charset" and "natural-language" of all IPP/1.1 attribute
+   values which are a LOCALIZED-STRING  are explicit within IPP protocol
+   requests/responses (without recourse to any external information in
+   HTTP, SMTP, or other message transport headers).
+
+   Published specifications:
+
+   [RFC2911] Hastings, T., Herriot, R., deBry, R., Isaacson, S.  and P.
+             Powell, "Internet Printing Protocol/1.1: Model and
+             Semantics", RFC 2911, September 2000.
+
+   [RFC2910] Herriot, R., Butler, S., Moore, P., Turner, R.  and J.
+             Wenn, "Internet Printing Protocol/1.1: Encoding and
+             Transport", RFC 2910, September 2000.
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 43]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   Applications which use this media type:
+
+   Internet Printing Protocol (IPP) print clients and print servers,
+   communicating using HTTP/1.1 (see [RFC2910]), SMTP/ESMTP, FTP, or
+   other transport protocol. Messages of type "application/ipp" are
+   self-contained and transport-independent, including "charset" and
+   "natural-language" context for any LOCALIZED-STRING value.
+
+   Person & email address to contact for further information:
+
+   Tom Hastings
+   Xerox Corporation
+   737 Hawaii St. ESAE-231
+   El Segundo, CA
+
+   Phone: 310-333-6413
+   Fax: 310-333-5514
+   EMail: hastings@cp10.es.xerox.com
+
+   or
+
+   Robert Herriot
+   Xerox Corporation
+   3400 Hillview Ave., Bldg #1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax: 650-813-6860
+   EMail: robert.herriot@pahv.xerox.com
+
+   Intended usage:
+
+   COMMON
+
+15. Appendix C: Changes from IPP/1.0
+
+   IPP/1.1 is identical to IPP/1.0 [RFC2565] with the follow changes:
+
+   1. Attributes values that identify a printer or job object use a new
+      'ipp' scheme.  The 'http' and 'https' schemes are supported only
+      for backward compatibility.  See section 5.
+
+   2. Clients MUST support of Digest Authentication, IPP Printers SHOULD
+      support Digest Authentication.  See Section 8.1.1
+
+   3. TLS is recommended for channel security.  In addition, SSL3 may be
+      supported for backward compatibility.  See Section 8.1.2
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 44]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+   4. It is recommended that IPP/1.1 objects accept any request with
+      major version number '1'.  See section 9.1.
+
+   5. IPP objects SHOULD return the URL scheme requested for "job-
+      printer-uri" and "job-uri" Job Attributes, rather than the URL
+      scheme used to create the job.   See section 9.2.
+
+   6. The IANA and Internationalization sections have been added.  The
+      terms "private use" and "experimental" have been changed to
+      "vendor extension".  The reserved allocations for attribute group
+      tags, attribute syntax tags, and out-of-band attribute values have
+      been clarified as to which are reserved to future IETF standards
+      track documents and which are reserved to vendor extension.   Both
+      kinds of extensions use the type2 registration procedures as
+      defined in [RFC2911].
+
+   7. Clarified that future "out-of-band" value definitions may use the
+      value field if additional information is needed.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Herriot, et al.             Standards Track                    [Page 45]
+
+RFC 2910            IPP/1.1: Encoding and Transport       September 2000
+
+
+Full Copyright Statement
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
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+Herriot, et al.             Standards Track                    [Page 46]
+
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+Network Working Group                                T. Hastings, Editor
+Request for Comments: 2911                                    R. Herriot
+Obsoletes: 2566                                        Xerox Corporation
+Category: Standards Track                                       R. deBry
+                                               Utah Valley State College
+                                                             S. Isaacson
+                                                            Novell, Inc.
+                                                               P. Powell
+                                                     Astart Technologies
+                                                          September 2000
+
+
+          Internet Printing Protocol/1.1: Model and Semantics
+
+Status of this Memo
+
+   This document specifies an Internet standards track protocol for the
+   Internet community, and requests discussion and suggestions for
+   improvements.  Please refer to the current edition of the "Internet
+   Official Protocol Standards" (STD 1) for the standardization state
+   and status of this protocol.  Distribution of this memo is unlimited.
+
+Copyright Notice
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+Abstract
+
+   This document is one of a set of documents, which together describe
+   all aspects of a new Internet Printing Protocol (IPP).  IPP is an
+   application level protocol that can be used for distributed printing
+   using Internet tools and technologies.  This document describes a
+   simplified model consisting of abstract objects, their attributes,
+   and their operations that is independent of encoding and transport.
+   The model consists of a Printer and a Job object.  A Job optionally
+   supports multiple documents.  IPP 1.1 semantics allow end-users and
+   operators to query printer capabilities, submit print jobs, inquire
+   about the status of print jobs and printers, cancel, hold, release,
+   and restart print jobs.  IPP 1.1 semantics allow operators to pause,
+   resume, and purge (jobs from) Printer objects.  This document also
+   addresses security, internationalization, and directory issues.
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                     [Page 1]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The full set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.1: Model and Semantics (this document)
+     Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+     Internet Printing Protocol/1.1: Implementer's Guide [IPP-IIG]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   The "Design Goals for an Internet Printing Protocol" document takes a
+   broad look at distributed printing functionality, and it enumerates
+   real-life scenarios that help to clarify the features that need to be
+   included in a printing protocol for the Internet.  It identifies
+   requirements for three types of users: end users, operators, and
+   administrators.  It calls out a subset of end user requirements that
+   are satisfied in IPP/1.0.  A few OPTIONAL operator operations have
+   been added to IPP/1.1.
+
+   The "Rationale for the Structure and Model and Protocol for the
+   Internet Printing Protocol" document describes IPP from a high level
+   view, defines a roadmap for the various documents that form the suite
+   of IPP specification documents, and gives background and rationale
+   for the IETF working group's major decisions.
+
+   The "Internet Printing Protocol/1.1: Encoding and Transport" document
+   is a formal mapping of the abstract operations and attributes defined
+   in the model document onto HTTP/1.1 [RFC2616].  It defines the
+   encoding rules for a new Internet MIME media type called
+   "application/ipp".  This document also defines the rules for
+   transporting over HTTP a message body whose Content-Type is
+   "application/ipp".  This document defines a new scheme named 'ipp'
+   for identifying IPP printers and jobs.
+
+   The "Internet Printing Protocol/1.1: Implementer's Guide" document
+   gives insight and advice to implementers of IPP clients and IPP
+   objects.  It is intended to help them understand IPP/1.1 and some of
+   the considerations that may assist them in the design of their client
+   and/or IPP object implementations.  For example, a typical order of
+   processing requests is given, including error checking.  Motivation
+   for some of the specification decisions is also included.
+
+   The "Mapping between LPD and IPP Protocols" document gives some
+   advice to implementers of gateways between IPP and LPD (Line Printer
+   Daemon) implementations.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                     [Page 2]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+Table of Contents
+
+   1.   Introduction                                                 9
+   1.1   Simplified Printing Model                                  10
+   2.   IPP Objects                                                 12
+   2.1   Printer Object                                             13
+   2.2   Job Object                                                 15
+   2.3   Object Relationships                                       16
+   2.4   Object Identity                                            17
+   3.   IPP Operations                                              20
+   3.1   Common Semantics                                           21
+   3.1.1  Required Parameters                                       21
+   3.1.2  Operation IDs and Request IDs                             22
+   3.1.3  Attributes                                                22
+   3.1.4  Character Set and Natural Language Operation Attribute    24
+   3.1.4.1   Request Operation Attributes                           25
+   3.1.4.2   Response Operation Attributes                          29
+   3.1.5  Operation Targets                                         30
+   3.1.6  Operation Response Status Codes and Status Messages       32
+   3.1.6.1   "status-code" (type2 enum)                             32
+   3.1.6.2   "status-message" (text(255))                           33
+   3.1.6.3   "detailed-status-message" (text(MAX))                  33
+   3.1.6.4   "document-access-error" (text(MAX))                    34
+   3.1.7  Unsupported Attributes                                    34
+   3.1.8  Versions                                                  36
+   3.1.9  Job Creation Operations                                   38
+   3.2   Printer Operations                                         41
+   3.2.1  Print-Job Operation                                       41
+   3.2.1.1   Print-Job Request                                      41
+   3.2.1.2   Print-Job Response                                     46
+   3.2.2  Print-URI Operation                                       48
+   3.2.3  Validate-Job Operation                                    49
+   3.2.4  Create-Job Operation                                      49
+   3.2.5  Get-Printer-Attributes Operation                          50
+   3.2.5.1   Get-Printer-Attributes Request                         51
+   3.2.5.2   Get-Printer-Attributes Response                        53
+   3.2.6  Get-Jobs Operation                                        54
+   3.2.6.1   Get-Jobs Request                                       54
+   3.2.6.2   Get-Jobs Response                                      56
+   3.2.7  Pause-Printer Operation                                   57
+   3.2.7.1   Pause-Printer Request                                  59
+   3.2.7.2   Pause-Printer Response                                 60
+   3.2.8  Resume-Printer Operation                                  60
+   3.2.9  Purge-Jobs Operation                                      61
+   3.3   Job Operations                                             62
+   3.3.1  Send-Document Operation                                   62
+   3.3.1.1   Send-Document Request                                  64
+   3.3.1.2   Send-Document Response                                 65
+
+
+
+Hastings, et al.            Standards Track                     [Page 3]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   3.3.2  Send-URI Operation                                        66
+   3.3.3  Cancel-Job Operation                                      66
+   3.3.3.1   Cancel-Job Request                                     67
+   3.3.3.2   Cancel-Job Response                                    68
+   3.3.4  Get-Job-Attributes Operation                              69
+   3.3.4.1   Get-Job-Attributes Request                             69
+   3.3.4.2   Get-Job-Attributes Response                            70
+   3.3.5  Hold-Job Operation                                        71
+   3.3.5.1   Hold-Job Request                                       72
+   3.3.5.2   Hold-Job Response                                      73
+   3.3.6  Release-Job Operation                                     74
+   3.3.7  Restart-Job Operation                                     75
+   3.3.7.1   Restart-Job Request                                    76
+   3.3.7.2   Restart-Job Response                                   78
+   4.   Object Attributes                                           78
+   4.1   Attribute Syntaxes                                         78
+   4.1.1  'text'                                                    79
+   4.1.1.1   'textWithoutLanguage'                                  80
+   4.1.1.2   'textWithLanguage'                                     80
+   4.1.2  'name'                                                    81
+   4.1.2.1   'nameWithoutLanguage'                                  82
+   4.1.2.2   'nameWithLanguage'                                     82
+   4.1.2.3   Matching 'name' attribute values                       83
+   4.1.3  'keyword'                                                 84
+   4.1.4  'enum'                                                    85
+   4.1.5  'uri'                                                     85
+   4.1.6  'uriScheme'                                               86
+   4.1.7  'charset'                                                 86
+   4.1.8  'naturalLanguage'                                         87
+   4.1.9  'mimeMediaType'                                           87
+   4.1.9.1 Application/octet-stream -- Auto-Sensing                 88
+           the document format
+   4.1.10 'octetString'                                             89
+   4.1.11 'boolean'                                                 89
+   4.1.12 'integer'                                                 89
+   4.1.13 'rangeOfInteger'                                          90
+   4.1.14 'dateTime'                                                90
+   4.1.15 'resolution'                                              90
+   4.1.16 '1setOf  X'                                               90
+   4.2   Job Template Attributes                                    91
+   4.2.1  job-priority (integer(1:100))                             94
+   4.2.2  job-hold-until (type3 keyword | name (MAX))               95
+   4.2.3  job-sheets (type3 keyword | name(MAX))                    96
+   4.2.4  multiple-document-handling (type2 keyword)                96
+   4.2.5  copies (integer(1:MAX))                                   98
+   4.2.6  finishings (1setOf type2 enum)                            98
+   4.2.7  page-ranges (1setOf rangeOfInteger (1:MAX))              101
+   4.2.8  sides (type2 keyword)                                    102
+
+
+
+Hastings, et al.            Standards Track                     [Page 4]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   4.2.9  number-up (integer(1:MAX))                               102
+   4.2.10 orientation-requested (type2 enum)                       103
+   4.2.11 media (type3 keyword | name(MAX))                        104
+   4.2.12 printer-resolution (resolution)                          105
+   4.2.13 print-quality (type2 enum)                               105
+   4.3   Job Description Attributes                                106
+   4.3.1  job-uri (uri)                                            107
+   4.3.2  job-id (integer(1:MAX))                                  108
+   4.3.3  job-printer-uri (uri)                                    108
+   4.3.4  job-more-info (uri)                                      108
+   4.3.5  job-name (name(MAX))                                     108
+   4.3.6  job-originating-user-name (name(MAX))                    109
+   4.3.7  job-state (type1 enum)                                   109
+   4.3.7.1   Forwarding Servers                                    112
+   4.3.7.2   Partitioning of Job States                            112
+   4.3.8  job-state-reasons (1setOf  type2 keyword)                113
+   4.3.9  job-state-message (text(MAX))                            118
+   4.3.10 job-detailed-status-messages (1setOf text(MAX))          118
+   4.3.11 job-document-access-errors (1setOf text(MAX))            118
+   4.3.12 number-of-documents (integer(0:MAX))                     119
+   4.3.13 output-device-assigned (name(127))                       119
+   4.3.14 Event Time Job Description Attributes                    119
+   4.3.14.1  time-at-creation (integer(MIN:MAX))                   120
+   4.3.14.2  time-at-processing (integer(MIN:MAX))                 120
+   4.3.14.3  time-at-completed (integer(MIN:MAX))                  120
+   4.3.14.4  job-printer-up-time (integer(1:MAX))                  120
+   4.3.14.5  date-time-at-creation (dateTime)                      121
+   4.3.14.6  date-time-at-processing (dateTime)                    121
+   4.3.14.7  date-time-at-completed (dateTime)                     121
+   4.3.15 number-of-intervening-jobs (integer(0:MAX))              121
+   4.3.16 job-message-from-operator (text(127))                    121
+   4.3.17 Job Size Attributes                                      121
+   4.3.17.1  job-k-octets (integer(0:MAX))                         122
+   4.3.17.2  job-impressions (integer(0:MAX))                      122
+   4.3.17.3  job-media-sheets (integer(0:MAX))                     123
+   4.3.18 Job Progress Attributes                                  123
+   4.3.18.1  job-k-octets-processed (integer(0:MAX))               123
+   4.3.18.2  job-impressions-completed (integer(0:MAX))            123
+   4.3.18.3  job-media-sheets-completed (integer(0:MAX))           124
+   4.3.19 attributes-charset (charset)                             124
+   4.3.20 attributes-natural-language (naturalLanguage)            124
+   4.4   Printer Description Attributes                            124
+   4.4.1  printer-uri-supported (1setOf uri)                       126
+   4.4.2  uri-authentication-supported (1setOf type2 keyword)      127
+   4.4.3  uri-security-supported (1setOf type2 keyword)            128
+   4.4.4  printer-name (name(127))                                 129
+   4.4.5  printer-location (text(127))                             129
+   4.4.6  printer-info (text(127))                                 130
+
+
+
+Hastings, et al.            Standards Track                     [Page 5]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   4.4.7  printer-more-info (uri)                                  130
+   4.4.8  printer-driver-installer (uri)                           130
+   4.4.9  printer-make-and-model (text(127))                       130
+   4.4.10 printer-more-info-manufacturer (uri)                     130
+   4.4.11 printer-state (type1 enum)                               131
+   4.4.12 printer-state-reasons (1setOf type2 keyword)             131
+   4.4.13 printer-state-message (text(MAX))                        134
+   4.4.14 ipp-versions-supported (1setOf type2 keyword)            134
+   4.4.15 operations-supported (1setOf type2 enum)                 135
+   4.4.16 multiple-document-jobs-supported (boolean)               136
+   4.4.17 charset-configured (charset)                             136
+   4.4.18 charset-supported (1setOf charset)                       137
+   4.4.19 natural-language-configured (naturalLanguage)            137
+   4.4.20 generated-natural-language-supported
+          (1setOf naturalLanguage)                                 137
+   4.4.21 document-format-default (mimeMediaType)                  138
+   4.4.22 document-format-supported (1setOf mimeMediaType)         138
+   4.4.23 printer-is-accepting-jobs (boolean)                      138
+   4.4.24 queued-job-count (integer(0:MAX))                        138
+   4.4.25 printer-message-from-operator (text(127))                139
+   4.4.26 color-supported (boolean)                                139
+   4.4.27 reference-uri-schemes-supported (1setOf uriScheme)       139
+   4.4.28 pdl-override-supported (type2 keyword)                   139
+   4.4.29 printer-up-time (integer(1:MAX))                         140
+   4.4.30 printer-current-time (dateTime)                          140
+   4.4.31 multiple-operation-time-out (integer(1:MAX))             141
+   4.4.32 compression-supported (1setOf type3 keyword)             141
+   4.4.33 job-k-octets-supported (rangeOfInteger(0:MAX))           142
+   4.4.34 job-impressions-supported (rangeOfInteger(0:MAX))        142
+   4.4.35 job-media-sheets-supported (rangeOfInteger(0:MAX))       142
+   4.4.36 pages-per-minute (integer(0:MAX))                        142
+   4.4.37 pages-per-minute-color (integer(0:MAX))                  142
+   5.   Conformance                                                143
+   5.1   Client Conformance Requirements                           143
+   5.2   IPP Object Conformance Requirements                       145
+   5.2.1  Objects                                                  145
+   5.2.2  Operations                                               145
+   5.2.3  IPP Object Attributes                                    146
+   5.2.4  Versions                                                 146
+   5.2.5  Extensions                                               147
+   5.2.6  Attribute Syntaxes                                       147
+   5.2.7  Security                                                 148
+   5.3   Charset and Natural Language Requirements                 148
+   6.   IANA Considerations                                        148
+   6.1   Typed 'keyword' and 'enum' Extensions                     149
+   6.2   Attribute Extensibility                                   151
+   6.3   Attribute Syntax Extensibility                            152
+   6.4   Operation Extensibility                                   152
+
+
+
+Hastings, et al.            Standards Track                     [Page 6]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   6.5   Attribute Group Extensibility                             153
+   6.6   Status Code Extensibility                                 153
+   6.7   Out-of-band Attribute Value Extensibility                 154
+   6.8   Registration of MIME types/sub-types for document-formats 154
+   6.9   Registration of charsets for use in 'charset'
+         attribute values                                          154
+   7.   Internationalization Considerations                        154
+   8.   Security Considerations                                    158
+   8.1   Security Scenarios                                        159
+   8.1.1  Client and Server in the Same Security Domain            159
+   8.1.2  Client and Server in Different Security Domains          159
+   8.1.3  Print by Reference                                       160
+   8.2   URIs in Operation, Job, and Printer attributes            160
+   8.3   URIs for each authentication mechanisms                   160
+   8.4   Restricted Queries                                        161
+   8.5   Operations performed by operators and system
+         administrators                                            161
+   8.6   Queries on jobs submitted using non-IPP protocols         162
+   9.   References                                                 162
+   10.  Authors' Addresses                                         166
+   11.  Formats for IPP Registration Proposals                     168
+   11.1  Type2 keyword attribute values registration               169
+   11.2  Type3 keyword attribute values registration               169
+   11.3  Type2 enum attribute values registration                  169
+   11.4  Type3 enum attribute values registration                  170
+   11.5  Attribute registration                                    170
+   11.6  Attribute Syntax registration                             171
+   11.7  Operation registration                                    171
+   11.8  Attribute Group registration                              171
+   11.9  Status code registration                                  172
+   11.10 Out-of-band Attribute Value registration                  172
+   12.  APPENDIX A: Terminology                                    173
+   12.1  Conformance Terminology                                   173
+   12.1.1 NEED NOT                                                 173
+   12.2  Model Terminology                                         173
+   12.2.1 Keyword                                                  173
+   12.2.2 Attributes                                               173
+   12.2.2.1  Attribute Name                                        173
+   12.2.2.2  Attribute Group Name                                  174
+   12.2.2.3  Attribute Value                                       174
+   12.2.2.4  Attribute Syntax                                      174
+   12.2.3 Supports                                                 174
+   12.2.4 print-stream page                                        176
+   12.2.5 impression                                               177
+   13. APPENDIX B: Status Codes and Suggested Status Code Messages 177
+   13.1  Status Codes                                              178
+   13.1.1 Informational                                            178
+   13.1.2 Successful Status Codes                                  178
+
+
+
+Hastings, et al.            Standards Track                     [Page 7]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   13.1.2.1  successful-ok (0x0000)                                178
+   13.1.2.2  successful-ok-ignored-or-substituted-attributes
+             (0x0001)                                              179
+   13.1.2.3  successful-ok-conflicting-attributes (0x0002)         179
+   13.1.3 Redirection Status Codes                                 179
+   13.1.4 Client Error Status Codes                                179
+   13.1.4.1  client-error-bad-request (0x0400)                     180
+   13.1.4.2  client-error-forbidden (0x0401)                       180
+   13.1.4.3  client-error-not-authenticated (0x0402)               180
+   13.1.4.4  client-error-not-authorized (0x0403)                  180
+   13.1.4.5  client-error-not-possible (0x0404)                    180
+   13.1.4.6  client-error-timeout (0x0405)                         181
+   13.1.4.7  client-error-not-found (0x0406)                       181
+   13.1.4.8  client-error-gone (0x0407)                            181
+   13.1.4.9  client-error-request-entity-too-large (0x0408)        182
+   13.1.4.10 client-error-request-value-too-long (0x0409)          182
+   13.1.4.11 client-error-document-format-not-supported (0x040A)   182
+   13.1.4.12 client-error-attributes-or-values-not-supported
+             (0x040B)                                              183
+   13.1.4.13 client-error-uri-scheme-not-supported (0x040C)        183
+   13.1.4.14 client-error-charset-not-supported (0x040D)           183
+   13.1.4.15 client-error-conflicting-attributes (0x040E)          183
+   13.1.4.16 client-error-compression-not-supported (0x040F)       184
+   13.1.4.17 client-error-compression-error (0x0410)               184
+   13.1.4.18 client-error-document-format-error (0x0411)           184
+   13.1.4.19 client-error-document-access-error (0x0412)           184
+   13.1.5    Server Error Status Codes                             185
+   13.1.5.1  server-error-internal-error (0x0500)                  185
+   13.1.5.2  server-error-operation-not-supported (0x0501)         185
+   13.1.5.3  server-error-service-unavailable (0x0502)             185
+   13.1.5.4  server-error-version-not-supported (0x0503)           185
+   13.1.5.5  server-error-device-error (0x0504)                    186
+   13.1.5.6  server-error-temporary-error (0x0505)                 186
+   13.1.5.7  server-error-not-accepting-jobs (0x0506)              187
+   13.1.5.8  server-error-busy (0x0507)                            187
+   13.1.5.9  server-error-job-canceled (0x0508)                    187
+   13.1.5.10 server-error-multiple-document-jobs-not-supported
+             (0x0509)                                              187
+   13.2  Status Codes for IPP Operations                           187
+   14.  APPENDIX C:  "media" keyword values                        190
+   15.  APPENDIX D: Processing IPP Attributes                      208
+   15.1  Fidelity                                                  209
+   15.2  Page Description Language (PDL) Override                  210
+   15.3  Using Job Template Attributes During Document Processing  212
+   16.  APPENDIX E: Generic Directory Schema                       214
+   17.  APPENDIX F:  Differences between the IPP/1.0 and IPP/1.1
+        "Model and Semantics" Documents                            215
+   18.  Full Copyright Statement                                   224
+
+
+
+Hastings, et al.            Standards Track                     [Page 8]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+1. Introduction
+
+   The Internet Printing Protocol (IPP) is an application level protocol
+   that can be used for distributed printing using Internet tools and
+   technologies.  IPP version 1.1 (IPP/1.1) focuses primarily on end
+   user functionality with a few administrative operations included.
+   This document is just one of a suite of documents that fully define
+   IPP.  The full set of IPP documents includes:
+
+     Design Goals for an Internet Printing Protocol [RFC2567]
+     Rationale for the Structure and Model and Protocol for the Internet
+     Printing Protocol [RFC2568]
+     Internet Printing Protocol/1.1: Model and Semantics (this document)
+     Internet Printing Protocol/1.1: Encoding and Transport [RFC2910]
+     Internet Printing Protocol/1.1: Implementer's Guide [IPP-IIG]
+     Mapping between LPD and IPP Protocols [RFC2569]
+
+   Anyone reading these documents for the first time is strongly
+   encouraged to read the IPP documents in the above order.
+
+   This document is laid out as follows:
+
+   - The rest of Section 1 is an introduction to the IPP simplified
+     model for distributed printing.
+   - Section 2 introduces the object types covered in the model with
+     their basic behaviors, attributes, and interactions.
+   - Section 3 defines the operations included in IPP/1.1.  IPP
+     operations are synchronous, therefore, for each operation, there is
+     a both request and a response.
+   - Section 4 defines the attributes (and their syntaxes) that are used
+     in the model.
+   - Sections 5 - 6 summarizes the implementation conformance
+     requirements for objects that support the protocol and IANA
+     considerations, respectively.
+   - Sections 7 - 11 cover the Internationalization and Security
+     considerations as well as References, Author contact information,
+     and Formats for Registration Proposals.
+   - Sections 12 - 14 are appendices that cover Terminology, Status
+     Codes and Messages, and "media" keyword values.
+
+       Note: This document uses terms such as "attributes", "keywords",
+       and "support".  These terms have special meaning and are defined
+       in the model terminology section 12.2.  Capitalized terms, such
+       as MUST, MUST NOT, REQUIRED, SHOULD, SHOULD NOT, MAY, NEED NOT,
+       and OPTIONAL, have special meaning relating to conformance.
+       These terms are defined in section 12.1 on conformance
+       terminology, most of which is taken from RFC 2119 [RFC2119].
+
+
+
+
+Hastings, et al.            Standards Track                     [Page 9]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   - Section 15 is an appendix that helps to clarify the effects of
+     interactions between related attributes and their values.
+   - Section 16 is an appendix that enumerates the subset of Printer
+     attributes that form a generic directory schema.  These attributes
+     are useful when registering a Printer so that a client can find the
+     Printer not just by name, but by filtered searches as well.
+   - Section 17 is an appendix summarizing the additions and changes
+     from the IPP/1.0 "Model and Semantics" document [RFC2566] to make
+     this IPP/1.1 document.
+   - Section 18 is the full copyright notice.
+
+1.1 Simplified Printing Model
+
+   In order to achieve its goal of realizing a workable printing
+   protocol for the Internet, the Internet Printing Protocol (IPP) is
+   based on a simplified printing model that abstracts the many
+   components of real world printing solutions.  The Internet is a
+   distributed computing environment where requesters of print services
+   (clients, applications, printer drivers, etc.) cooperate and interact
+   with print service providers.  This model and semantics document
+   describes a simple, abstract model for IPP even though the underlying
+   configurations may be complex "n-tier" client/server systems.  An
+   important simplifying step in the IPP model is to expose only the key
+   objects and interfaces required for printing.  The model described in
+   this model document does not include features, interfaces, and
+   relationships that are beyond the scope of the first version of IPP
+   (IPP/1.1).  IPP/1.1 incorporates many of the relevant ideas and
+   lessons learned from other specification and development efforts
+   [HTPP] [ISO10175] [LDPA] [P1387.4] [PSIS] [RFC1179] [SWP].  IPP is
+   heavily influenced by the printing model introduced in the Document
+   Printing Application (DPA) [ISO10175] standard.  Although DPA
+   specifies both end user and administrative features, IPP version 1.1
+   (IPP/1.1) focuses primarily on end user functionality with a few
+   additional OPTIONAL operator operations.
+
+   The IPP/1.1 model encapsulates the important components of
+   distributed printing into two object types:
+
+      - Printer (Section 2.1)
+      - Job (Section 2.2)
+
+   Each object type has an associated set of operations (see section 3)
+   and attributes (see section 4).
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 10]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   It is important, however, to understand that in real system
+   implementations (which lie underneath the abstracted IPP/1.1 model),
+   there are other components of a print service which are not
+   explicitly defined in the IPP/1.1 model. The following figure
+   illustrates where IPP/1.1 fits with respect to these other
+   components.
+
+                                +--------------+
+                                |  Application |
+                      o         +. . . . . . . |
+                     \|/        |   Spooler    |
+                     / \        +. . . . . . . |   +---------+
+                   End-User     | Print Driver |---|  File   |
+         +-----------+ +-----+  +------+-------+   +----+----+
+         |  Browser  | | GUI |         |                |
+         +-----+-----+ +--+--+         |                |
+               |          |            |                |
+               |      +---+------------+---+            |
+   N   D   S   |      |      IPP Client    |------------+
+   O   I   E   |      +---------+----------+
+   T   R   C   |                |
+   I   E   U   |
+   F   C   R   -------------- Transport ------------------
+   I   T   I
+   C   O   T                    |         --+
+   A   R   Y           +--------+--------+  |
+   T   Y               |    IPP Server   |  |
+   I                   +--------+--------+  |
+   O                            |           |
+   N                   +-----------------+  | IPP Printer
+                       |  Print Service  |  |
+                       +-----------------+  |
+                                |         --+
+                       +-----------------+
+                       | Output Device(s)|
+                       +-----------------+
+
+   An IPP Printer object encapsulates the functions normally associated
+   with physical output devices along with the spooling, scheduling and
+   multiple device management functions often associated with a print
+   server. Printer objects are optionally registered as entries in a
+   directory where end users find and select them based on some sort of
+   filtered and context based searching mechanism (see section 16).  The
+   directory is used to store relatively static information about the
+   Printer, allowing end users to search for and find Printers that
+   match their search criteria, for example: name, context, printer
+   capabilities, etc.  The more dynamic information, such as state,
+   currently loaded and ready media, number of jobs at the Printer,
+
+
+
+Hastings, et al.            Standards Track                    [Page 11]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   errors, warnings, and so forth, is directly associated with the
+   Printer object itself rather than with the entry in the directory
+   which only represents the Printer object.
+
+   IPP clients implement the IPP protocol on the client side and give
+   end users (or programs running on behalf of end users) the ability to
+   query Printer objects and submit and manage print jobs.  An IPP
+   server is just that part of the Printer object that implements the
+   server-side protocol.  The rest of the Printer object implements (or
+   gateways into) the application semantics of the print service itself.
+   The Printer objects may be embedded in an output device or may be
+   implemented on a host on the network that communicates with an output
+   device.
+
+   When a job is submitted to the Printer object and the Printer object
+   validates the attributes in the submission request, the Printer
+   object creates a new Job object.  The end user then interacts with
+   this new Job object to query its status and monitor the progress of
+   the job.  An end user can also cancel their print jobs by using the
+   Job object's Cancel-Job operation.  An end-user can also hold,
+   release, and restart their print jobs using the Job object's OPTIONAL
+   Hold-Job, Release-Job, and Restart-Job operations, if implemented.
+
+   A privileged operator or administrator of a Printer object can
+   cancel, hold, release, and restart any user's job using the REQUIRED
+   Cancel-Job and the OPTIONAL Hold-Job, Release-Job, and Restart-Job
+   operations.  In additional privileged operator or administrator of a
+   Printer object can pause, resume, or purge (jobs from) a Printer
+   object using the OPTIONAL Pause-Printer, Resume-Printer, and Purge-
+   Jobs operations, if implemented.
+
+   The notification service is out of scope for this IPP/1.1 document,
+   but using such a notification service, the end user is able to
+   register for and receive Printer specific and Job specific events.
+   An end user can query the status of Printer objects and can follow
+   the progress of Job objects by polling using the Get-Printer-
+   Attributes, Get-Jobs, and Get-Job-Attributes operations.
+
+2. IPP Objects
+
+   The IPP/1.1 model introduces objects of type Printer and Job.  Each
+   type of object models relevant aspects of a real-world entity such as
+   a real printer or real print job.  Each object type is defined as a
+   set of possible attributes that may be supported by instances of that
+   object type.  For each object (instance), the actual set of supported
+   attributes and values describe a specific implementation.  The
+   object's attributes and values describe its state, capabilities,
+   realizable features, job processing functions, and default behaviors
+
+
+
+Hastings, et al.            Standards Track                    [Page 12]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   and characteristics.  For example, the Printer object type is defined
+   as a set of attributes that each Printer object potentially supports.
+   In the same manner, the Job object type is defined as a set of
+   attributes that are potentially supported by each Job object.
+
+   Each attribute included in the set of attributes defining an object
+   type is labeled as:
+
+   - "REQUIRED": each object MUST support the attribute.
+   - "RECOMMENDED": each object SHOULD support the attribute.
+   - "OPTIONAL": each object MAY support the attribute.
+
+   Some definitions of attribute values indicate that an object MUST or
+   SHOULD support the value; otherwise, support of the value is
+   OPTIONAL.
+
+   However, if an implementation supports an attribute, it MUST support
+   at least one of the possible values for that attribute.
+
+2.1 Printer Object
+
+   The major component of the IPP/1.1 model is the Printer object.  A
+   Printer object implements the server-side of the IPP/1.1 protocol.
+   Using the protocol, end users may query the attributes of the Printer
+   object and submit print jobs to the Printer object.  The actual
+   implementation components behind the Printer abstraction may take on
+   different forms and different configurations.  However, the model
+   abstraction allows the details of the configuration of real
+   components to remain opaque to the end user.  Section 3 describes
+   each of the Printer operations in detail.
+
+   The capabilities and state of a Printer object are described by its
+   attributes.  Printer attributes are divided into two groups:
+
+   - "job-template" attributes: These attributes describe supported job
+     processing capabilities and defaults for the Printer object. (See
+     section 4.2)
+   - "printer-description" attributes: These attributes describe the
+     Printer object's identification, state, location, references to
+     other sources of information about the Printer object, etc. (see
+     section 4.4)
+
+   Since a Printer object is an abstraction of a generic document output
+   device and print service provider, a Printer object could be used to
+   represent any real or virtual device with semantics consistent with
+   the Printer object, such as a fax device, an imager, or even a CD
+   writer.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 13]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Some examples of configurations supporting a Printer object include:
+
+      1) An output device with no spooling capabilities
+      2) An output device with a built-in spooler
+      3) A print server supporting IPP with one or more associated
+         output devices
+         3a) The associated output devices may or may not be capable of
+             spooling jobs
+         3b) The associated output devices may or may not support IPP
+
+   The following figures show some examples of how Printer objects can
+   be realized on top of various distributed printing configurations.
+   The embedded case below represents configurations 1 and 2. The hosted
+   and fan-out figures below represent configurations 3a and 3b.
+
+   In this document the term "client" refers to a software entity that
+   sends IPP operation requests to an IPP Printer object and accepts IPP
+   operation responses.  A client MAY be:
+
+      1. contained within software controlled by an end user, e.g.
+         activated by the "Print" menu item in an application or
+
+      2. the print server component that sends IPP requests to either an
+         output device or another "downstream" print server.
+
+   The term "IPP Printer" is a network entity that accepts IPP operation
+   requests and returns IPP operation responses.  As such, an IPP object
+   MAY be:
+
+      1. an (embedded) device component that accepts IPP requests and
+         controls the device or
+
+      2. a component of a print server that accepts IPP requests (where
+         the print server controls one or more networked devices using
+         IPP or other protocols).
+
+   Legend:
+
+   ##### indicates a Printer object which is
+         either embedded in an output device or is
+         hosted in a server.  The Printer object
+         might or might not be capable of queuing/spooling.
+
+   any   indicates any network protocol or direct
+         connect, including IPP
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 14]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   embedded printer:
+                                             output device
+                                           +---------------+
+    O   +--------+                         |  ###########  |
+   /|\  | client |------------IPP------------># Printer #  |
+   / \  +--------+                         |  # Object  #  |
+                                           |  ###########  |
+                                           +---------------+
+
+   hosted printer:
+                                           +---------------+
+    O   +--------+        ###########      |               |
+   /|\  | client |--IPP--># Printer #-any->| output device |
+   / \  +--------+        # Object  #      |               |
+                          ###########      +---------------+
+
+
+                                            +---------------+
+   fan out:                                 |               |
+                                        +-->| output device |
+                                    any/    |               |
+    O   +--------+      ###########   /     +---------------+
+   /|\  | client |-IPP-># Printer #--*
+   / \  +--------+      # Object  #   \     +---------------+
+                        ########### any\    |               |
+                                        +-->| output device |
+                                            |               |
+                                            +---------------+
+
+2.2 Job Object
+
+   A Job object is used to model a print job.  A Job object contains
+   documents.  The information required to create a Job object is sent
+   in a create request from the end user via an IPP Client to the
+   Printer object.  The Printer object validates the create request, and
+   if the Printer object accepts the request, the Printer object creates
+   the new Job object.  Section 3 describes each of the Job operations
+   in detail.
+
+   The characteristics and state of a Job object are described by its
+   attributes.  Job attributes are grouped into two groups as follows:
+
+      - "job-template" attributes: These attributes can be supplied by
+        the client or end user and include job processing instructions
+        which are intended to override any Printer object defaults
+        and/or instructions embedded within the document data. (See
+        section 4.2)
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 15]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - "job-description" attributes: These attributes describe the Job
+        object's identification, state, size, etc. The client supplies
+        some of these attributes, and the Printer object generates
+        others. (See section 4.3)
+
+   An implementation MUST support at least one document per Job object.
+   An implementation MAY support multiple documents per Job object.  A
+   document is either:
+
+      - a stream of document data in a format supported by the Printer
+        object (typically a Page Description Language - PDL), or
+      - a reference to such a stream of document data
+
+   In IPP/1.1, a document is not modeled as an IPP object, therefore it
+   has no object identifier or associated attributes.  All job
+   processing instructions are modeled as Job object attributes.  These
+   attributes are called Job Template attributes and they apply equally
+   to all documents within a Job object.
+
+2.3 Object Relationships
+
+   IPP objects have relationships that are maintained persistently along
+   with the persistent storage of the object attributes.
+
+   A Printer object can represent either one or more physical output
+   devices or a logical device which "processes" jobs but never actually
+   uses a physical output device to put marks on paper.  Examples of
+   logical devices include a Web page publisher or a gateway into an
+   online document archive or repository.  A Printer object contains
+   zero or more Job objects.
+
+   A Job object is contained by exactly one Printer object, however the
+   identical document data associated with a Job object could be sent to
+   either the same or a different Printer object.  In this case, a
+   second Job object would be created which would be almost identical to
+   the first Job object, however it would have new (different) Job
+   object identifiers (see section 2.4).
+
+   A Job object is either empty (before any documents have been added)
+   or contains one or more documents.  If the contained document is a
+   stream of document data, that stream can be contained in only one
+   document.  However, there can be identical copies of the stream in
+   other documents in the same or different Job objects.  If the
+   contained document is just a reference to a stream of document data,
+   other documents (in the same or different Job object(s)) may contain
+   the same reference.
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 16]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+2.4 Object Identity
+
+   All Printer and Job objects are identified by a Uniform Resource
+   Identifier (URI) [RFC2396] so that they can be persistently and
+   unambiguously referenced.  Since every URL is a specialized form of a
+   URI, even though the more generic term URI is used throughout the
+   rest of this document, its usage is intended to cover the more
+   specific notion of URL as well.
+
+   An administrator configures Printer objects to either support or not
+   support authentication and/or message privacy using Transport Layer
+   Security (TLS) [RFC2246] (the mechanism for security configuration is
+   outside the scope of this IPP/1.1 document).  In some situations,
+   both types of connections (both authenticated and unauthenticated)
+   can be established using a single communication channel that has some
+   sort of negotiation mechanism.  In other situations, multiple
+   communication channels are used, one for each type of security
+   configuration.  Section 8 provides a full description of all security
+   considerations and configurations.
+
+   If a Printer object supports more than one communication channel,
+   some or all of those channels might support and/or require different
+   security mechanisms.  In such cases, an administrator could expose
+   the simultaneous support for these multiple communication channels as
+   multiple URIs for a single Printer object where each URI represents
+   one of the communication channels to the Printer object. To support
+   this flexibility, the IPP Printer object type defines a multi-valued
+   identification attribute called the "printer-uri-supported"
+   attribute.  It MUST contain at least one URI.  It MAY contain more
+   than one URI.  That is, every Printer object will have at least one
+   URI that identifies at least one communication channel to the Printer
+   object, but it may have more than one URI where each URI identifies a
+   different communication channel to the Printer object.  The
+   "printer-uri-supported" attribute has two companion attributes, the
+   "uri-security-supported" attribute and the "uri-authentication-
+   supported". Both have the same cardinality as "printer-uri-
+   supported".  The purpose of the "uri-security-supported" attribute is
+   to indicate the security mechanisms (if any) used for each URI listed
+   in "printer-uri-supported". The purpose of the "uri-authentication-
+   supported" attribute is to indicate the authentication mechanisms (if
+   any) used for each URI listed in "printer-uri-supported".  These
+   three attributes are fully described in sections 4.4.1, 4.4.2, and
+   4.4.3.
+
+   When a job is submitted to the Printer object via a create request,
+   the client supplies only a single Printer object URI.  The client
+   supplied Printer object URI MUST be one of the values in the
+   "printer-uri-supported" Printer attribute.
+
+
+
+Hastings, et al.            Standards Track                    [Page 17]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   IPP/1.1 does not specify how the client obtains the client supplied
+   URI, but it is RECOMMENDED that a Printer object be registered as an
+   entry in a directory service.  End-users and programs can then
+   interrogate the directory searching for Printers. Section 16 defines
+   a generic schema for Printer object entries in the directory service
+   and describes how the entry acts as a bridge to the actual IPP
+   Printer object.  The entry in the directory that represents the IPP
+   Printer object includes the possibly many URIs for that Printer
+   object as values in one its attributes.
+
+   When a client submits a create request to the Printer object, the
+   Printer object validates the request and creates a new Job object.
+   The Printer object assigns the new Job object a URI which is stored
+   in the "job-uri" Job attribute.  This URI is then used by clients as
+   the target for subsequent Job operations.  The Printer object
+   generates a Job URI based on its configured security policy and the
+   URI used by the client in the create request.
+
+   For example, consider a Printer object that supports both a
+   communication channel secured by the use of SSL3 (using HTTP over
+   SSL3 with an "https" schemed URI) and another open communication
+   channel that is not secured with SSL3 (using a simple "http" schemed
+   URI).  If a client were to submit a job using the secure URI, the
+   Printer object would assign the new Job object a secure URI as well.
+   If a client were to submit a job using the open-channel URI, the
+   Printer would assign the new Job object an open-channel URI.
+
+   In addition, the Printer object also populates the Job object's
+   "job-printer-uri" attribute.  This is a reference back to the Printer
+   object that created the Job object.  If a client only has access to a
+   Job object's "job-uri" identifier, the client can query the Job's
+   "job-printer-uri" attribute in order to determine which Printer
+   object created the Job object.  If the Printer object supports more
+   than one URI, the Printer object picks the one URI supplied by the
+   client when creating the job to build the value for and to populate
+   the Job's "job-printer-uri" attribute.
+
+   Allowing Job objects to have URIs allows for flexibility and
+   scalability.  For example, in some implementations, the Printer
+   object might create Jobs that are processed in the same local
+   environment as the Printer object itself.  In this case, the Job URI
+   might just be a composition of the Printer's URI and some unique
+   component for the Job object, such as the unique 32-bit positive
+   integer mentioned later in this paragraph.  In other implementations,
+   the Printer object might be a central clearing-house for validating
+   all Job object creation requests, but the Job object itself might be
+   created in some environment that is remote from the Printer object.
+   In this case, the Job object's URI may have no physical-location
+
+
+
+Hastings, et al.            Standards Track                    [Page 18]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   relationship at all to the Printer object's URI.  Again, the fact
+   that Job objects have URIs allows for flexibility and scalability,
+   however, many existing printing systems have local models or
+   interface constraints that force print jobs to be identified using
+   only a 32-bit positive integer rather than an independent URI.  This
+   numeric Job ID is only unique within the context of the Printer
+   object to which the create request was originally submitted.
+   Therefore, in order to allow both types of client access to IPP Job
+   objects (either by Job URI or by numeric Job ID), when the Printer
+   object successfully processes a create request and creates a new Job
+   object, the Printer object MUST generate both a Job URI and a Job ID.
+   The Job ID (stored in the "job-id" attribute) only has meaning in the
+   context of the Printer object to which the create request was
+   originally submitted. This requirement to support both Job URIs and
+   Job IDs allows all types of clients to access Printer objects and Job
+   objects no matter the local constraints imposed on the client
+   implementation.
+
+   In addition to identifiers, Printer objects and Job objects have
+   names ("printer-name" and "job-name").  An object name NEED NOT be
+   unique across all instances of all objects. A Printer object's name
+   is chosen and set by an administrator through some mechanism outside
+   the scope of this IPP/1.1 document.  A Job object's name is
+   optionally chosen and supplied by the IPP client submitting the job.
+   If the client does not supply a Job object name, the Printer object
+   generates a name for the new Job object.  In all cases, the name only
+   has local meaning.
+
+   To summarize:
+
+      - Each Printer object is identified with one or more URIs.  The
+        Printer's "printer-uri-supported" attribute contains the URI(s).
+      - The Printer object's "uri-security-supported" attribute
+        identifies the communication channel security protocols that may
+        or may not have been configured for the various Printer object
+        URIs (e.g., 'tls' or 'none').
+      - The Printer object's "uri-authentication-supported" attribute
+        identifies the authentication mechanisms that may or may not
+        have been configured for the various Printer object URIs (e.g.,
+        'digest' or 'none').
+      - Each Job object is identified with a Job URI.  The Job's "job-
+        uri" attribute contains the URI.
+      - Each Job object is also identified with Job ID which is a 32-
+        bit, positive integer.  The Job's "job-id" attribute contains
+        the Job ID.  The Job ID is only unique within the context of the
+        Printer object  which created the Job object.
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 19]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - Each Job object has a "job-printer-uri" attribute which contains
+        the URI of the Printer object that was used to create the Job
+        object.  This attribute is used to determine the Printer object
+        that created a Job object when given only the URI for the Job
+        object.  This linkage is necessary to determine the languages,
+        charsets, and operations which are supported on that Job (the
+        basis for such support comes from the creating Printer object).
+      - Each Printer object has a name (which is not necessarily
+        unique).  The administrator chooses and sets this name through
+        some mechanism outside the scope of this IPP/1.1 document.  The
+        Printer object's "printer-name" attribute contains the name.
+      - Each Job object has a name (which is not necessarily unique).
+        The client optionally supplies this name in the create request.
+        If the client does not supply this name, the Printer object
+        generates a name for the Job object. The Job object's "job-name"
+        attribute contains the name.
+
+3. IPP Operations
+
+   IPP objects support operations.  An operation consists of a request
+   and a response.  When a client communicates with an IPP object, the
+   client issues an operation request to the URI for that object.
+   Operation requests and responses have parameters that identify the
+   operation.  Operations also have attributes that affect the run-time
+   characteristics of the operation (the intended target, localization
+   information, etc.).  These operation-specific attributes are called
+   operation attributes (as compared to object attributes such as
+   Printer object attributes or Job object attributes).  Each request
+   carries along with it any operation attributes, object attributes,
+   and/or document data required to perform the operation.  Each request
+   requires a response from the object.  Each response indicates success
+   or failure of the operation with a status code as a response
+   parameter.  The response contains any operation attributes, object
+   attributes, and/or status messages generated during the execution of
+   the operation request.
+
+   This section describes the semantics of the IPP operations, both
+   requests and responses, in terms of the parameters, attributes, and
+   other data associated with each operation.
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 20]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The IPP/1.1 Printer operations are:
+
+     Print-Job (section 3.2.1)
+     Print-URI (section 3.2.2)
+     Validate-Job (section 3.2.3)
+     Create-Job (section 3.2.4)
+     Get-Printer-Attributes (section 3.2.5)
+     Get-Jobs (section 3.2.6)
+     Pause-Printer (section 3.3.5)
+     Resume-Printer (section 3.3.6)
+     Purge-Jobs (section 3.3.7)
+
+   The Job operations are:
+
+     Send-Document (section 3.3.1)
+     Send-URI (section 3.3.2)
+     Cancel-Job (section 3.3.3)
+     Get-Job-Attributes (section 3.3.4)
+     Hold-Job (section 3.3.5)
+     Release-Job (section 3.3.6)
+     Restart-Job (section 3.3.7)
+
+   The Send-Document and Send-URI Job operations are used to add a new
+   document to an existing multi-document Job object created using the
+   Create-Job operation.
+
+3.1 Common Semantics
+
+   All IPP operations require some common parameters and operation
+   attributes.  These common elements and their semantic characteristics
+   are defined and described in more detail in the following sections.
+
+3.1.1 Required Parameters
+
+   Every operation request contains the following REQUIRED parameters:
+
+      - a "version-number",
+      - an "operation-id",
+      - a "request-id", and
+      - the attributes that are REQUIRED for that type of request.
+
+   Every operation response contains the following REQUIRED parameters:
+
+      - a "version-number",
+      - a "status-code",
+      - the "request-id" that was supplied in the corresponding request,
+        and
+      - the attributes that are REQUIRED for that type of response.
+
+
+
+Hastings, et al.            Standards Track                    [Page 21]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The "Encoding and Transport" document [RFC2910] defines special rules
+   for the encoding of these parameters.  All other operation elements
+   are represented using the more generic encoding rules for attributes
+   and groups of attributes.
+
+3.1.2 Operation IDs and Request IDs
+
+   Each IPP operation request includes an identifying "operation-id"
+   value.  Valid values are defined in the "operations-supported"
+   Printer attribute section (see section 4.4.15).  The client specifies
+   which operation is being requested by supplying the correct
+   "operation-id" value.
+
+   In addition, every invocation of an operation is identified by a
+   "request-id" value. For each request, the client chooses the
+   "request-id" which MUST be an integer (possibly unique depending on
+   client requirements) in the range from 1 to 2**31 - 1 (inclusive).
+   This "request-id" allows clients to manage multiple outstanding
+   requests. The receiving IPP object copies all 32-bits of the client-
+   supplied "request-id" attribute into the response so that the client
+   can match the response with the correct outstanding request, even if
+   the "request-id" is out of range.  If the request is terminated
+   before the complete "request-id" is received, the IPP object rejects
+   the request and returns a response with a "request-id" of 0.
+
+   Note: In some cases, the transport protocol underneath IPP might be a
+   connection oriented protocol that would make it impossible for a
+   client to receive responses in any order other than the order in
+   which the corresponding requests were sent.  In such cases, the
+   "request-id" attribute would not be essential for correct protocol
+   operation.  However, in other mappings, the operation responses can
+   come back in any order.  In these cases, the "request-id" would be
+   essential.
+
+3.1.3 Attributes
+
+   Operation requests and responses are both composed of groups of
+   attributes and/or document data.  The attributes groups are:
+
+      - Operation Attributes: These attributes are passed in the
+        operation and affect the IPP object's behavior while processing
+        the operation request and may affect other attributes or groups
+        of attributes.  Some operation attributes describe the document
+        data associated with the print job and are associated with new
+        Job objects, however most operation attributes do not persist
+        beyond the life of the operation.  The description of each
+        operation attribute includes conformance statements indicating
+        which operation attributes are REQUIRED and which are OPTIONAL
+
+
+
+Hastings, et al.            Standards Track                    [Page 22]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+        for an IPP object to support and which attributes a client MUST
+        supply in a request and an IPP object MUST supply in a response.
+      - Job Template Attributes: These attributes affect the processing
+        of a job.  A client OPTIONALLY supplies Job Template Attributes
+        in a create request, and the receiving object MUST be prepared
+        to receive all supported attributes.  The Job object can later
+        be queried to find out what Job Template attributes were
+        originally requested in the create request, and such attributes
+        are returned in the response as Job Object Attributes.  The
+        Printer object can be queried about its Job Template attributes
+        to find out what type of job processing capabilities are
+        supported and/or what the default job processing behaviors are,
+        though such attributes are returned in the response as Printer
+        Object Attributes.  The "ipp-attribute-fidelity" operation
+        attribute affects processing of all client-supplied Job Template
+        attributes (see sections 3.2.1.2 and 15 for a full description
+        of "ipp-attribute-fidelity" and its relationship to other
+        attributes).
+      - Job Object Attributes: These attributes are returned in response
+        to a query operation directed at a Job object.
+      - Printer Object Attributes: These attributes are returned in
+        response to a query operation directed at a Printer object.
+      - Unsupported Attributes: In a create request, the client supplies
+        a set of Operation and Job Template attributes.  If any of these
+        attributes or their values is unsupported by the Printer object,
+        the Printer object returns the set of unsupported attributes in
+        the response.  Sections 3.1.7, 3.2.1.2, and  15 give a full
+        description of how Job Template attributes supplied by the
+        client in a create request are processed by the Printer object
+        and how unsupported attributes are returned to the client.
+        Because of extensibility, any IPP object might receive a request
+        that contains new or unknown attributes or values for which it
+        has no support. In such cases, the IPP object processes what it
+        can and returns the unsupported attributes in the response. The
+        Unsupported Attribute group is defined for all operation
+        responses for returning unsupported attributes that the client
+        supplied in the request.
+
+   Later in this section, each operation is formally defined by
+   identifying the allowed and expected groups of attributes for each
+   request and response.  The model identifies a specific order for each
+   group in each request or response, but the attributes within each
+   group may be in any order, unless specified otherwise.
+
+   The attributes within a group MUST be unique; if an attribute with
+   the same name occurs more than once, the group is mal-formed.
+   Clients MUST NOT submit such malformed requests and Printers MUST NOT
+   return such malformed responses.  If such a malformed request is
+
+
+
+Hastings, et al.            Standards Track                    [Page 23]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   submitted to a Printer, the Printer MUST either (1) reject the
+   request with the 'client-error-bad-request' status code (see section
+   13.1.4.1) or (2) process the request normally after selecting only
+   one of the attribute instances, depending on implementation.  Which
+   attribute is selected when there are duplicate attributes depends on
+   implementation.  The IPP Printer MUST NOT use the values from more
+   than one such duplicate attribute instance.
+
+   Each attribute definition includes the attribute's name followed by
+   the name of its attribute syntax(es) in parenthesizes.  In addition,
+   each 'integer' attribute is followed by the allowed range in
+   parentheses, (m:n), for values of that attribute.  Each 'text' or
+   'name' attribute is followed by the maximum size in octets in
+   parentheses, (size), for values of that attribute. For more details
+   on attribute syntax notation, see the descriptions of these
+   attributes syntaxes in section 4.1.
+
+   Note: Document data included in the operation is not strictly an
+   attribute, but it is treated as a special attribute group for
+   ordering purposes.  The only operations that support supplying the
+   document data within an operation request are Print-Job and Send-
+   Document.  There are no operation responses that include document
+   data.
+
+   Some operations are REQUIRED for IPP objects to support; the others
+   are OPTIONAL (see section 5.2.2).  Therefore, before using an
+   OPTIONAL operation, a client SHOULD first use the REQUIRED Get-
+   Printer-Attributes operation to query the Printer's "operations-
+   supported" attribute in order to determine which OPTIONAL Printer and
+   Job operations are actually supported.  The client SHOULD NOT use an
+   OPTIONAL operation that is not supported.  When an IPP object
+   receives a request to perform an operation it does not support, it
+   returns the 'server-error-operation-not-supported' status code (see
+   section 13.1.5.2).  An IPP object is non-conformant if it does not
+   support a REQUIRED operation.
+
+3.1.4 Character Set and Natural Language Operation Attributes
+
+   Some Job and Printer attributes have values that are text strings and
+   names intended for human understanding rather than machine
+   understanding (see the 'text' and 'name' attribute syntax
+   descriptions in section 4.1).  The following sections describe two
+   special Operation Attributes called "attributes-charset" and
+   "attributes-natural-language".  These attributes are always part of
+   the Operation Attributes group.  For most attribute groups, the order
+   of the attributes within the group is not important.  However, for
+   these two attributes within the Operation Attributes group, the order
+   is critical.  The "attributes-charset" attribute MUST be the first
+
+
+
+Hastings, et al.            Standards Track                    [Page 24]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   attribute in the group and the "attributes-natural-language"
+   attribute MUST be the second attribute in the group.  In other words,
+   these attributes MUST be supplied in every IPP request and response,
+   they MUST come first in the group, and MUST come in the specified
+   order.  For job creation operations, the IPP Printer implementation
+   saves these two attributes with the new Job object as Job Description
+   attributes.  For the sake of brevity in this document, these
+   operation attribute descriptions are not repeated with every
+   operation request and response, but have a reference back to this
+   section instead.
+
+3.1.4.1 Request Operation Attributes
+
+   The client MUST supply and the Printer object MUST support the
+   following REQUIRED operation attributes in every IPP/1.1 operation
+   request:
+
+      "attributes-charset" (charset):
+         This operation attribute identifies the charset (coded
+         character set and encoding method) used by any 'text' and
+         'name' attributes that the client is supplying in this request.
+         It also identifies the charset that the Printer object MUST use
+         (if supported) for all 'text' and 'name' attributes and status
+         messages that the Printer object returns in the response to
+         this request. See Sections 4.1.1 and 4.1.2 for the definition
+         of the 'text' and 'name' attribute syntaxes.
+
+         All clients and IPP objects MUST support the 'utf-8' charset
+         [RFC2279] and MAY support additional charsets provided that
+         they are registered with IANA [IANA-CS].  If the Printer object
+         does not support the client supplied charset value, the Printer
+         object MUST reject the request, set the "attributes-charset" to
+         'utf-8' in the response, and return the 'client-error-charset-
+         not-supported' status code and any 'text' or 'name' attributes
+         using the 'utf-8' charset. The Printer NEED NOT return any
+         attributes in the Unsupported Attributes Group (See sections
+         3.1.7 and 3.2.1.2).  The Printer object MUST indicate the
+         charset(s) supported as the values of the "charset-supported"
+         Printer attribute (see Section 4.4.18), so that the client can
+         query to determine which charset(s) are supported.
+
+         Note to client implementers: Since IPP objects are only
+         required to support the 'utf-8' charset, in order to maximize
+         interoperability with multiple IPP object implementations, a
+         client may want to supply 'utf-8' in the "attributes-charset"
+         operation attribute, even though the client is only passing and
+         able to present a simpler charset, such as US-ASCII [ASCII] or
+         ISO-8859-1 [ISO8859-1].  Then the client will have to filter
+
+
+
+Hastings, et al.            Standards Track                    [Page 25]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         out (or charset convert) those characters that are returned in
+         the response that it cannot present to its user.  On the other
+         hand, if both the client and the IPP objects also support a
+         charset in common besides utf-8, the client may want to use
+         that charset in order to avoid charset conversion or data loss.
+
+         See the 'charset' attribute syntax description in Section 4.1.7
+         for the syntax and semantic interpretation of the values of
+         this attribute and for example values.
+
+      "attributes-natural-language" (naturalLanguage):
+         This operation attribute identifies the natural language used
+         by any 'text' and 'name' attributes that the client is
+         supplying in this request.  This attribute also identifies the
+         natural language that the Printer object SHOULD use for all
+         'text' and 'name' attributes and status messages that the
+         Printer object returns in the response to this request.  See
+         the 'naturalLanguage' attribute syntax description in section
+         4.1.8 for the syntax and semantic interpretation of the values
+         of this attribute and for example values.
+
+         There are no REQUIRED natural languages required for the
+         Printer object to support.  However, the Printer object's
+         "generated-natural-language-supported" attribute identifies the
+         natural languages supported by the Printer object and any
+         contained Job objects for all text strings generated by the IPP
+         object.  A client MAY query this attribute to determine which
+         natural language(s) are supported for generated messages.
+
+         For any of the attributes for which the Printer object
+         generates text, i.e., for the "job-state-message", "printer-
+         state-message", and status messages (see Section 3.1.6), the
+         Printer object MUST be able to generate these text strings in
+         any of its supported natural languages.  If the client requests
+         a natural language that is not supported, the Printer object
+         MUST return these generated messages in the Printer's
+         configured natural language as specified by the Printer's
+         "natural-language-configured" attribute" (see Section 4.4.19).
+
+         For other 'text' and 'name' attributes supplied by the client,
+         authentication system, operator, system administrator, or
+         manufacturer (i.e., for "job-originating-user-name", "printer-
+         name" (name), "printer-location" (text), "printer-info" (text),
+         and "printer-make-and-model" (text)), the Printer object is
+         only required to support the configured natural language of the
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 26]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         Printer identified by the Printer object's "natural-language-
+         configured" attribute, though support of additional natural
+         languages for these attributes is permitted.
+
+         For any 'text' or 'name' attribute in the request that is in a
+         different natural language than the value supplied in the
+         "attributes-natural-language" operation attribute, the client
+         MUST use the Natural Language Override mechanism (see sections
+         4.1.1.2 and 4.1.2.2) for each such attribute value supplied.
+         The client MAY use the Natural Language Override mechanism
+         redundantly, i.e., use it even when the value is in the same
+         natural language as the value supplied in the "attributes-
+         natural-language" operation attribute of the request.
+
+         The IPP object MUST accept any natural language and any Natural
+         Language Override, whether the IPP object supports that natural
+         language or not (and independent of the value of the "ipp-
+         attribute-fidelity" Operation attribute).  That is the IPP
+         object accepts all client supplied values no matter what the
+         values are in the Printer object's "generated-natural-
+         language-supported" attribute.  That attribute, "generated-
+         natural-language-supported", only applies to generated
+         messages, not client supplied messages.  The IPP object MUST
+         remember that natural language for all client-supplied
+         attributes, and when returning those attributes in response to
+         a query, the IPP object MUST indicate that natural language.
+
+         Each value whose attribute syntax type is 'text' or 'name' (see
+         sections 4.1.1 and 4.1.2) has an Associated Natural-Language.
+         This document does not specify how this association is stored
+         in a Printer or Job object.  When such a value is encoded in a
+         request or response, the natural language is either implicit or
+         explicit:
+
+         - In the implicit case, the value contains only the text/name
+           value, and the language is specified by the "attributes-
+           natural-language" operation attribute in the request or
+           response (see sections 4.1.1.1 textWithoutLanguage and
+           4.1.2.1 nameWithoutLanguage).
+
+         - In the explicit case (also known as the Natural-Language
+           Override case), the value contains both the language and the
+           text/name value (see sections 4.1.1.2 textWithLanguage and
+           4.1.2.2 nameWithLanguage).
+
+         For example, the "job-name" attribute MAY be supplied by the
+         client in a create request.  The text value for this attribute
+         will be in the natural language identified by the "attribute-
+
+
+
+Hastings, et al.            Standards Track                    [Page 27]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         natural-language" attribute, or if different, as identified by
+         the Natural Language Override mechanism.  If supplied, the IPP
+         object will use the value of the "job-name" attribute to
+         populate the Job object's "job-name" attribute.  Whenever any
+         client queries the Job object's "job-name" attribute, the IPP
+         object returns the attribute as stored and uses the Natural
+         Language Override mechanism to specify the natural language, if
+         it is different from that reported in the "attributes-natural-
+         language" operation attribute of the response.  The IPP object
+         MAY use the Natural Language Override mechanism redundantly,
+         i.e., use it even when the value is in the same natural
+         language as the value supplied in the "attributes-natural-
+         language" operation attribute of the response.
+
+         An IPP object MUST NOT reject a request based on a supplied
+         natural language in an "attributes-natural-language" Operation
+         attribute or in any attribute that uses the Natural Language
+         Override.
+
+   Clients SHOULD NOT supply 'text' or 'name' attributes that use an
+   illegal combination of natural language and charset.  For example,
+   suppose a Printer object supports charsets 'utf-8', 'iso-8859-1', and
+   'iso-8859-7'.  Suppose also, that it supports natural languages 'en'
+   (English), 'fr' (French), and 'el' (Greek).  Although the Printer
+   object supports the charset 'iso-8859-1' and natural language 'el',
+   it probably does not support the combination of Greek text strings
+   using the 'iso-8859-1' charset.  The Printer object handles this
+   apparent incompatibility differently depending on the context in
+   which it occurs:
+
+      - In a create request: If the client supplies a text or name
+        attribute (for example, the "job-name" operation attribute) that
+        uses an apparently incompatible combination, it is a client
+        choice that does not affect the Printer object or its correct
+        operation.  Therefore, the Printer object simply accepts the
+        client supplied value, stores it with the Job object, and
+        responds back with the same combination whenever the client (or
+        any client) queries for that attribute.
+      - In a query-type operation, like Get-Printer-Attributes: If the
+        client requests an apparently incompatible combination, the
+        Printer object responds (as described in section 3.1.4.2) using
+        the Printer's configured natural language rather than the
+        natural language requested by the client.
+
+   In either case, the Printer object does not reject the request
+   because of the apparent incompatibility.  The potential incompatible
+   combination of charset and natural language can occur either at the
+   global operation level or at the Natural Language Override
+
+
+
+Hastings, et al.            Standards Track                    [Page 28]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   attribute-by-attribute level.  In addition, since the response always
+   includes explicit charset and natural language information, there is
+   never any question or ambiguity in how the client interprets the
+   response.
+
+3.1.4.2 Response Operation Attributes
+
+   The Printer object MUST supply and the client MUST support the
+   following REQUIRED operation attributes in every IPP/1.1 operation
+   response:
+
+      "attributes-charset" (charset):
+         This operation attribute identifies the charset used by any
+         'text' and 'name' attributes that the Printer object is
+         returning in this response.  The value in this response MUST be
+         the same value as the "attributes-charset" operation attribute
+         supplied by the client in the request.  If this is not possible
+         (i.e., the charset requested is not supported), the request
+         would have been rejected.  See "attributes-charset" described
+         in Section 3.1.4.1 above.
+
+         If the Printer object supports more than just the 'utf-8'
+         charset, the Printer object MUST be able to code convert
+         between each of the charsets supported on a highest fidelity
+         possible basis in order to return the 'text' and 'name'
+         attributes in the charset requested by the client.  However,
+         some information loss MAY occur during the charset conversion
+         depending on the charsets involved.  For example, the Printer
+         object may convert from a UTF-8 'a' to a US-ASCII 'a' (with no
+         loss of information), from an ISO Latin 1 CAPITAL LETTER A WITH
+         ACUTE ACCENT to US-ASCII 'A' (losing the accent), or from a
+         UTF-8 Japanese Kanji character to some ISO Latin 1 error
+         character indication such as '?', decimal code equivalent, or
+         to the absence of a character, depending on implementation.
+
+         Whether an implementation that supports more than one charset
+         stores the data in the charset supplied by the client or code
+         converts to one of the other supported charsets, depends on
+         implementation.  The strategy should try to minimize loss of
+         information during code conversion.  On each response, such an
+         implementation converts from its internal charset to that
+         requested.
+
+      "attributes-natural-language" (naturalLanguage):
+         This operation attribute identifies the natural language used
+         by any 'text' and 'name' attributes that the IPP object is
+         returning in this response.  Unlike the "attributes-charset"
+         operation attribute, the IPP object NEED NOT return the same
+
+
+
+Hastings, et al.            Standards Track                    [Page 29]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         value as that supplied by the client in the request.  The IPP
+         object MAY return the natural language of the Job object or the
+         Printer's configured natural language as identified by the
+         Printer object's "natural-language-configured" attribute,
+         rather than the natural language supplied by the client.  For
+         any 'text' or 'name' attribute or status message in the
+         response that is in a different natural language than the value
+         returned in the "attributes-natural-language" operation
+         attribute, the IPP object MUST use the Natural Language
+         Override mechanism (see sections 4.1.1.2 and 4.1.2.2) on each
+         attribute value returned.  The IPP object MAY use the Natural
+         Language Override mechanism redundantly, i.e., use it even when
+         the value is in the same natural language as the value supplied
+         in the "attributes-natural-language" operation attribute of the
+         response.
+
+3.1.5 Operation Targets
+
+   All IPP operations are directed at IPP objects.  For Printer
+   operations, the operation is always directed at a Printer object
+   using one of its URIs (i.e., one of the values in the Printer
+   object's "printer-uri-supported" attribute).  Even if the Printer
+   object supports more than one URI, the client supplies only one URI
+   as the target of the operation.  The client identifies the target
+   object by supplying the correct URI in the "printer-uri (uri)"
+   operation attribute.
+
+   For Job operations, the operation is directed at either:
+
+      - The Job object itself using the Job object's URI.  In this case,
+        the client identifies the target object by supplying the correct
+        URI in the "job-uri (uri)" operation attribute.
+      - The Printer object that created the Job object using both the
+        Printer objects URI and the Job object's Job ID.  Since the
+        Printer object that created the Job object generated the Job ID,
+        it MUST be able to correctly associate the client supplied Job
+        ID with the correct Job object.  The client supplies the Printer
+        object's URI in the "printer-uri (uri)" operation attribute and
+        the Job object's Job ID in the "job-id (integer(1:MAX))"
+        operation attribute.
+
+   If the operation is directed at the Job object directly using the Job
+   object's URI, the client MUST NOT include the redundant "job-id"
+   operation attribute.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 30]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The operation target attributes are REQUIRED operation attributes
+   that MUST be included in every operation request.  Like the charset
+   and natural language attributes (see section 3.1.4), the operation
+   target attributes are specially ordered operation attributes.  In all
+   cases, the operation target attributes immediately follow the
+   "attributes-charset" and "attributes-natural-language" attributes
+   within the operation attribute group, however the specific ordering
+   rules are:
+
+      - In the case where there is only one operation target attribute
+        (i.e., either only the "printer-uri" attribute or only the
+        "job-uri" attribute), that attribute MUST be the third attribute
+        in the operation attributes group.
+      - In the case where Job operations use two operation target
+        attributes (i.e., the "printer-uri" and "job-id" attributes),
+        the "printer-uri" attribute MUST be the third attribute and the
+        "job-id" attribute MUST be the fourth attribute.
+
+   In all cases, the target URIs contained within the body of IPP
+   operation requests and responses must be in absolute format rather
+   than relative format (a relative URL identifies a resource with the
+   scope of the HTTP server, but does not include scheme, host or port).
+
+   The following rules apply to the use of port numbers in URIs that
+   identify IPP objects:
+
+      1. If the URI scheme allows the port number to be explicitly
+         included in the URI string, and a port number is specified
+         within the URI, then that port number MUST be used by the
+         client to contact the IPP object.
+
+      2. If the URI scheme allows the port number to be explicitly
+         included in the URI string, and a port number is not specified
+         within the URI, then default port number implied by that URI
+         scheme MUST be used by the client to contact the IPP object.
+
+      3. If the URI scheme does not allow an explicit port number to be
+         specified within the URI, then the default port number implied
+         by that URI MUST be used by the client to contact the IPP
+         object.
+
+   Note: The IPP "Encoding and Transport document [RFC2910] shows a
+   mapping of IPP onto HTTP/1.1 [RFC2616] and defines a new default port
+   number for using IPP over HTTP/1.1.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 31]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.1.6 Operation Response Status Codes and Status Messages
+
+   Every operation response includes a REQUIRED "status-code" parameter
+   and an OPTIONAL "status-message" operation attribute, and an OPTIONAL
+   "detailed-status-message" operation attribute.  The Print-URI and
+   Send-URI response MAY include an OPTIONAL "document-access-error"
+   operation attribute.
+
+3.1.6.1 "status-code" (type2 enum)
+
+   The REQUIRED "status-code" parameter provides information on the
+   processing of a request.
+
+   The status code is intended for use by automata.  A client
+   implementation of IPP SHOULD convert status code values into any
+   localized message that has semantic meaning to the end user.
+
+   The "status-code" value is a numeric value that has semantic meaning.
+   The "status-code" syntax is similar to a "type2 enum" (see section
+   4.1 on "Attribute Syntaxes") except that values can range only from
+   0x0000 to 0x7FFF.  Section 13 describes the status codes, assigns the
+   numeric values, and suggests a corresponding status message for each
+   status code for use by the client when the user's natural language is
+   English.
+
+   If the Printer performs an operation with no errors and it encounters
+   no problems, it MUST return the status code 'successful-ok' in the
+   response.  See section 13.
+
+   If the client supplies unsupported values for the following
+   parameters or Operation attributes, the Printer object MUST reject
+   the operation, NEED NOT return the unsupported attribute value in the
+   Unsupported Attributes group, and MUST return the indicated status
+   code:
+
+        Parameter/Attribute                 Status code
+
+        version-number      server-error-version-not-supported
+        operation-id        server-error-operation-not-supported
+        attributes-charset  client-error-charset-not-supported
+        compression         client-error-compression-not-supported
+        document-format     client-error-document-format-not-supported
+        document-uri        client-error-uri-scheme-not-supported,
+                             client-error-document-access-error
+
+   If the client supplies unsupported values for other attributes, or
+   unsupported attributes, the Printer returns the status code defined
+   in section 3.1.7 on Unsupported Attributes.
+
+
+
+Hastings, et al.            Standards Track                    [Page 32]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.1.6.2 "status-message" (text(255))
+
+   The OPTIONAL "status-message" operation attribute provides a short
+   textual description of the status of the operation.  The "status-
+   message" attribute's syntax is "text(255)", so the maximum length is
+   255 octets (see section 4.1.1).  The status message is intended for
+   the human end user.  If a response does include a "status-message"
+   attribute, an IPP client NEED NOT examine or display the messages,
+   however it SHOULD do so in some implementation specific manner.  The
+   "status-message" is especially useful for a later version of a
+   Printer object to return as supplemental information for the human
+   user to accompany a status code that an earlier version of a client
+   might not understand.
+
+   If the Printer object supports the "status-message" operation
+   attribute, the Printer object MUST be able to generate this message
+   in any of the natural languages identified by the Printer object's
+   "generated-natural-language-supported" attribute (see the
+   "attributes-natural-language" operation attribute specified in
+   section 3.1.4.1.  Section 13 suggests the text for the status message
+   returned by the Printer for use with the English natural language.
+
+   As described in section 3.1.4.1 for any returned 'text' attribute, if
+   there is a choice for generating this message, the Printer object
+   uses the natural language indicated by the value of the "attributes-
+   natural-language" in the client request if supported, otherwise the
+   Printer object uses the value in the Printer object's own "natural-
+   language-configured" attribute.
+
+   If the Printer object supports the "status-message" operation
+   attribute, it SHOULD use the REQUIRED 'utf-8' charset to return a
+   status message for the following error status codes (see section 13):
+   'client-error-bad-request', 'client-error-charset-not-supported',
+   'server-error-internal-error', 'server-error-operation-not-
+   supported', and 'server-error-version-not-supported'.  In this case,
+   it MUST set the value of the "attributes-charset" operation attribute
+   to 'utf-8' in the error response.
+
+3.1.6.3 "detailed-status-message" (text(MAX))
+
+   The OPTIONAL "detailed-status-message" operation attribute provides
+   additional more detailed technical and implementation-specific
+   information about the operation.  The "detailed-status-message"
+   attribute's syntax is "text(MAX)", so the maximum length is 1023
+   octets (see section 4.1.1).    If the Printer objects supports the
+   "detailed-status-message" operation attribute, the Printer NEED NOT
+   localize the message, since it is intended for use by the system
+   administrator or other experienced technical persons.  Localization
+
+
+
+Hastings, et al.            Standards Track                    [Page 33]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   might obscure the technical meaning of such messages.  Clients MUST
+   NOT attempt to parse the value of this attribute.  See the
+   "document-access-error" operation attribute (section 3.1.6.4) for
+   additional errors that a program can process.
+
+3.1.6.4 "document-access-error" (text(MAX))
+
+   This OPTIONAL operation attribute provides additional information
+   about any document access errors encountered by the Printer before it
+   returned a response to the Print-URI (section 3.2.2) or Send-URI
+   (section 3.3.1) operation.  For errors in the protocol identified by
+   the URI scheme in the "document-uri" operation attribute, such as
+   'http:' or 'ftp:', the error code is returned in parentheses,
+   followed by the URI.  For example:
+
+      (404) http://ftp.pwg.org/pub/pwg/ipp/new_MOD/ipp-model-v11.pdf
+
+   Most Internet protocols use decimal error codes (unlike IPP), so the
+   ASCII error code representation is in decimal.
+
+3.1.7 Unsupported Attributes
+
+   The Unsupported Attributes group contains attributes that are not
+   supported by the operation. This group is primarily for the job
+   creation operations, but all operations can return this group.
+
+   A Printer object MUST include an Unsupported Attributes group in a
+   response if the status code is one of the following:  'successful-
+   ok-ignored-or-substituted-attributes', 'successful-ok-conflicting-
+   attributes', 'client-error-attributes-or-values-not-supported' or
+   'client-error-conflicting-attributes'.
+
+   If the status code is one of the four specified in the preceding
+   paragraph, the Unsupported Attributes group MUST contain all of those
+   attributes and only those attributes that are:
+
+      a. an Operation or Job Template attribute supplied in the request,
+         and
+
+      b. unsupported by the printer. See below for details on the three
+         categories "unsupported" attributes.
+
+   If the status code is one of those in the table in section 3.1.6.1,
+   the Unsupported Attributes group NEED NOT contain the unsupported
+   parameter or attribute indicated in that table.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 34]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   If the Printer object is not returning any Unsupported Attributes in
+   the response, the Printer object SHOULD omit Group 2 rather than
+   sending an empty group.  However, a client MUST be able to accept an
+   empty group.
+
+   Unsupported attributes fall into three categories:
+
+      1. The Printer object does not support the supplied attribute (no
+         matter what the attribute syntax or value).
+
+      2. The Printer object does support the attribute, but does not
+         support some or all of the particular attribute syntaxes or
+         values supplied by the client (i.e., the Printer object does
+         not have those attribute syntaxes or values in its
+         corresponding "xxx-supported" attribute).
+
+      3. The Printer object does support the attributes and values
+         supplied, but the particular values are in conflict with one
+         another, because they violate a constraint, such as not being
+         able to staple transparencies.
+
+   In the case of an unsupported attribute name, the Printer object
+   returns the client-supplied attribute with a substituted value of
+   'unsupported'.  This value's syntax type is "out-of-band" and its
+   encoding is defined by special rules for "out-of-band" values in the
+   "Encoding and Transport" document [RFC2910].   Its value indicates no
+   support for the attribute itself (see the beginning of section 4.1).
+
+   In the case of a supported attribute with one or more unsupported
+   attribute syntaxes or values, the Printer object simply returns the
+   client-supplied attribute with the unsupported attribute syntaxes or
+   values as supplied by the client.  This indicates support for the
+   attribute, but no support for that particular attribute syntax or
+   value.  If the client supplies a multi-valued attribute with more
+   than one value and the Printer object supports the attribute but only
+   supports a subset of the client-supplied attribute syntaxes or
+   values, the Printer object
+
+   MUST return only those attribute syntaxes or values that are
+   unsupported.
+
+   In the case of two (or more) supported attribute values that are in
+   conflict with one another (although each is supported independently,
+   the values conflict when requested together within the same job), the
+   Printer object MUST return all the values that it ignores or
+   substitutes to resolve the conflict, but not any of the values that
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 35]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   it is still using.  The choice for exactly how to resolve the
+   conflict is implementation dependent.  See sections 3.2.1.2 and 15.
+   See The Implementer's Guide [IPP-IIG] for an example.
+
+3.1.8 Versions
+
+   Each operation request and response carries with it a "version-
+   number" parameter.  Each value of the "version-number" is in the form
+   "X.Y" where X is the major version number and Y is the minor version
+   number.  By including a version number in the client request, it
+   allows the client  to identify which version of IPP it is interested
+   in using, i.e., the version whose conformance requirements the client
+   may be depending upon the Printer to meet.
+
+   If the IPP object does not support that major version number supplied
+   by the client, i.e., the major version field of the "version-number"
+   parameter does not match any of the values of the Printer's "ipp-
+   versions-supported" (see section 4.4.14), the object MUST respond
+   with a status code of 'server-error-version-not-supported' along with
+   the closest version number that is supported (see section 13.1.5.4).
+   If the major version number is supported, but the minor version
+   number is not, the IPP object SHOULD accept and attempt to perform
+   the request (or reject the request if the operation is not
+   supported), else it rejects the request and returns the 'server-
+   error-version-not-supported' status code.  In all cases, the IPP
+   object MUST return the "version-number" that it supports that is
+   closest to the version number supplied by the client in the request.
+
+   There is no version negotiation per se.  However, if after receiving
+   a 'server-error-version-not-supported' status code from an IPP
+   object, a client SHOULD try again with a different version number. A
+   client MAY also determine the versions supported either from a
+   directory that conforms to Appendix E (see section 16) or by querying
+   the Printer object's "ipp-versions-supported" attribute (see section
+   4.4.14) to determine which versions are supported.
+
+   An IPP object implementation MUST support version '1.1', i.e., meet
+   the conformance requirements for IPP/1.1 as specified in this
+   document and [RFC2910].  It is recommended that IPP object
+   implementations accept any request with the major version '1' (or
+   reject the request if the operation is not supported).
+
+   There is only one notion of "version number" that covers both IPP
+   Model and IPP Protocol changes. Thus the version number MUST change
+   when introducing a new version of the Model and Semantics document
+   (this document) or a new version of the "Encoding and Transport"
+   document [RFC2910].
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 36]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Changes to the major version number of the Model and Semantics
+   document indicate structural or syntactic changes that make it
+   impossible for older version of IPP clients and Printer objects to
+   correctly parse and correctly process the new or changed attributes,
+   operations and responses.  If the major version number changes, the
+   minor version numbers is set to zero.  As an example, adding the
+   REQUIRED "ipp-attribute-fidelity" attribute to version '1.1' (if it
+   had not been part of version '1.0'), would have required a change to
+   the major version number, since an IPP/1.0 Printer would not have
+   processed a request with the correct semantics that contained the
+   "ipp-attribute-fidelity" attribute that it did not know about.  Items
+   that might affect the changing of the major version number include
+   any changes to the Model and Semantics document (this document) or
+   the "Encoding and Transport" document [RFC2910] itself, such as:
+
+      - reordering of ordered attributes or attribute sets
+      - changes to the syntax of existing attributes
+      - adding REQUIRED (for an IPP object to support) operation
+        attribute groups
+      - adding values to existing REQUIRED operation attributes
+      - adding REQUIRED operations
+
+   Changes to the minor version number indicate the addition of new
+   features, attributes and attribute values that may not be understood
+   by all IPP objects, but which can be ignored if not understood.
+   Items that might affect the changing of the minor version number
+   include any changes to the model objects and attributes but not the
+   encoding and transport rules [RFC2910] (except adding attribute
+   syntaxes).  Examples of such changes are:
+
+      - grouping all extensions not included in a previous version into
+        a new version
+      - adding new attribute values
+      - adding new object attributes
+      - adding OPTIONAL (for an IPP object to support) operation
+        attributes (i.e., those attributes that an IPP object can ignore
+        without confusing clients)
+      - adding OPTIONAL (for an IPP object to support) operation
+        attribute groups (i.e., those attributes that an IPP object can
+        ignore without confusing clients)
+      - adding new attribute syntaxes
+      - adding OPTIONAL operations
+      - changing Job Description attributes or Printer Description
+        attributes from OPTIONAL to REQUIRED or vice versa.
+      - adding OPTIONAL attribute syntaxes to an existing attribute.
+
+   The encoding of the "version-number" MUST NOT change over any version
+   number (either major or minor).  This rule guarantees that all future
+
+
+
+Hastings, et al.            Standards Track                    [Page 37]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   versions will be backwards compatible with all previous versions (at
+   least for checking  the "version-number").  In addition, any protocol
+   elements (attributes, error codes, tags, etc.) that are not carried
+   forward from one version to the next are deprecated so that they can
+   never be reused with new semantics.
+
+   Implementations that support a certain  version NEED NOT support ALL
+   previous versions.  As each new  version is defined (through the
+   release of a new IPP specification document), that version will
+   specify which previous  versions MUST and which versions SHOULD be
+   supported in compliant implementations.
+
+3.1.9 Job Creation Operations
+
+   In order to "submit a print job" and create a new Job object, a
+   client issues a create request.  A create request is any one of
+   following three operation requests:
+
+      - The Print-Job Request: A client that wants to submit a print job
+        with only a single document uses the Print-Job operation.  The
+        operation allows for the client to "push" the document data to
+        the Printer object by including the document data in the request
+        itself.
+
+      - The Print-URI Request: A client that wants to submit a print job
+        with only a single document (where the Printer object "pulls"
+        the document data instead of the client "pushing" the data to
+        the Printer object) uses the Print-URI operation.   In this
+        case, the client includes in the request only a URI reference to
+        the document data (not the document data itself).
+
+      - The Create-Job Request: A client that wants to submit a print
+        job with multiple documents uses the Create-Job operation.  This
+        operation is followed by an arbitrary number (one or more) of
+        Send-Document and/or Send-URI operations (each creating another
+        document for the newly create Job object).  The Send-Document
+        operation includes the document data in the request (the client
+        "pushes" the document data to the printer), and the Send-URI
+        operation includes only a URI reference to the document data in
+        the request (the Printer "pulls" the document data from the
+        referenced location).  The last Send-Document or Send-URI
+        request for a given Job object includes a "last-document"
+        operation attribute set to 'true' indicating that this is the
+        last request.
+
+   Throughout this model document, the term "create request" is used to
+   refer to any of these three operation requests.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 38]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   A Create-Job operation followed by only one Send-Document operation
+   is semantically equivalent to a Print-Job operation, however, for
+   performance reasons, the client SHOULD use the Print-Job operation
+   for all single document jobs.  Also, Print-Job is a REQUIRED
+   operation (all implementations MUST support it) whereas Create-Job is
+   an OPTIONAL operation, hence some implementations might not support
+   it.
+
+   Job submission time is the point in time when a client issues a
+   create request.  The initial state of every Job object is the
+   'pending', 'pending-held', or 'processing' state (see section 4.3.7).
+   When the Printer object begins processing the print job, the Job
+   object's state moves to 'processing'.  This is known as job
+   processing time.  There are validation checks that must be done at
+   job submission time and others that must be performed at job
+   processing time.
+
+   At job submission time and at the time a Validate-Job operation is
+   received, the Printer MUST do the following:
+
+      1. Process the client supplied attributes and either accept or
+         reject the request
+      2. Validate the syntax of and support for the scheme of any client
+         supplied URI
+
+   At job submission time the Printer object MUST validate whether or
+   not the supplied attributes, attribute syntaxes, and values are
+   supported by matching them with the Printer object's corresponding
+   "xxx-supported" attributes.  See section 3.1.7 for details.  [IPP-
+   IIG] presents suggested steps for an IPP object to either accept or
+   reject any request and additional steps for processing create
+   requests.
+
+   At job submission time the Printer object NEED NOT perform the
+   validation checks reserved for job processing time such as:
+
+      1. Validating the document data
+      2. Validating the actual contents of any client supplied URI
+         (resolve the reference and follow the link to the document
+         data)
+
+   At job submission time, these additional job processing time
+   validation checks are essentially useless, since they require
+   actually parsing and interpreting the document data, are not
+   guaranteed to be 100% accurate, and MUST be done, yet again, at job
+   processing time.  Also, in the case of a URI, checking for
+   availability at job submission time does not guarantee availability
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 39]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   at job processing time.  In addition, at job processing time, the
+   Printer object might discover any of the following conditions that
+   were not detectable at job submission time:
+
+      - runtime errors in the document data,
+      - nested document data that is in an unsupported format,
+      - the URI reference is no longer valid (i.e., the server hosting
+        the document might be down), or
+      - any other job processing error
+
+   At job submission time, a Printer object, especially a non-spooling
+   Printer, MAY accept jobs that it does not have enough space for.  In
+   such a situation, a Printer object MAY stop reading data from a
+   client for an indefinite period of time.  A client MUST be prepared
+   for a write operation to block for an indefinite period of time (see
+   section 5.1 on client conformance).
+
+   When a Printer object has too little space for starting a new job, it
+   MAY reject a new create request. In this case, a Printer object MUST
+   return a response (in reply to the rejected request) with a status-
+   code of 'server-error-busy' (see section 14.1.5.8) and it MAY close
+   the connection before receiving all bytes of the operation.  A
+   Printer SHOULD indicate that it is temporarily unable to accept jobs
+   by setting the 'spool-space-full' value in its "printer-state-
+   reasons" attribute and removing the value when it can accept another
+   job (see section 4.4.12).
+
+   When receiving a 'server-error-busy' status-code in an operation
+   response, a client MUST be prepared for the Printer object to close
+   the connection before the client has sent all of the data (especially
+   for the Print-Job operation). A client MUST be prepared to keep
+   submitting a create request until the IPP Printer object accepts the
+   create request.
+
+   At job processing time, since the Printer object has already
+   responded with a successful status code in the response to the create
+   request, if the Printer object detects an error, the Printer object
+   is unable to inform the end user of the error with an operation
+   status code.   In this case, the Printer, depending on the error, can
+   set the job object's "job-state", "job-state-reasons", or "job-
+   state-message" attributes to the appropriate value(s) so that later
+   queries can report the correct job status.
+
+   Note: Asynchronous notification of events is outside the scope of
+   this IPP/1.1 document.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 40]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.2 Printer Operations
+
+   All Printer operations are directed at Printer objects.  A client
+   MUST always supply the "printer-uri" operation attribute in order to
+   identify the correct target of the operation.
+
+3.2.1 Print-Job Operation
+
+   This REQUIRED operation allows a client to submit a print job with
+   only one document and supply the document data (rather than just a
+   reference to the data).  See Section 15 for the suggested steps for
+   processing create operations and their Operation and Job Template
+   attributes.
+
+3.2.1.1 Print-Job Request
+
+   The following groups of attributes are supplied as part of the
+   Print-Job Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.1.  The Printer object
+         MUST copy these values to the corresponding Job Description
+         attributes described in sections 4.3.19 and 4.3.20.
+
+      Target:
+         The "printer-uri" (uri) operation attribute which is the target
+         for this operation as described in section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in section 8.3.
+
+      "job-name" (name(MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  It contains the client
+         supplied Job name.  If this attribute is supplied by the
+         client, its value is used for the "job-name" attribute of the
+         newly created Job object.  The client MAY automatically include
+         any information that will help the end-user distinguish amongst
+         his/her jobs, such as the name of the application program along
+         with information from the document, such as the document name,
+         document subject, or source file name.  If this attribute is
+         not supplied by the client, the Printer generates a name to use
+         in the "job-name" attribute of the newly created Job object
+         (see Section 4.3.5).
+
+
+
+Hastings, et al.            Standards Track                    [Page 41]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      "ipp-attribute-fidelity" (boolean):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  The value 'true' indicates
+         that total fidelity to client supplied Job Template attributes
+         and values is required, else the Printer object MUST reject the
+         Print-Job request.  The value 'false' indicates that a
+         reasonable attempt to print the Job object is acceptable and
+         the Printer object MUST accept the Print-Job request. If not
+         supplied, the Printer object assumes the value is 'false'.  All
+         Printer objects MUST support both types of job processing.  See
+         section 15 for a full description of "ipp-attribute-fidelity"
+         and its relationship to other attributes, especially the
+         Printer object's "pdl-override-supported" attribute.
+
+      "document-name" (name(MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.   It contains the client
+         supplied document name.  The document name MAY be different
+         than the Job name.  Typically, the client software
+         automatically supplies the document name on behalf of the end
+         user by using a file name or an application generated name.  If
+         this attribute is supplied, its value can be used in a manner
+         defined by each implementation.  Examples include: printed
+         along with the Job (job start sheet, page adornments, etc.),
+         used by accounting or resource tracking management tools, or
+         even stored along with the document as a document level
+         attribute.  IPP/1.1 does not support the concept of document
+         level attributes.
+
+      "compression" (type3 keyword):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute and the "compression-
+         supported" attribute (see section 4.4.32).  The client supplied
+         "compression" operation attribute identifies the compression
+         algorithm used on the document data. The following cases exist:
+
+         a) If the client omits this attribute, the Printer object MUST
+            assume that the data is not compressed   (i.e. the Printer
+            follows the rules below as if the client supplied the
+            "compression" attribute with a value of 'none').
+         b) If the client supplies this attribute, but the value is not
+            supported by the Printer object, i.e., the value is not one
+            of the values of the Printer object's "compression-
+            supported" attribute, the Printer object MUST reject the
+            request, and return the 'client-error-compression-not-
+            supported' status code. See section 3.1.7 for returning
+            unsupported attributes and values.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 42]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         c) If the client supplies the attribute and the Printer object
+            supports the attribute value, the Printer object uses the
+            corresponding decompression algorithm on the document data.
+         d) If the decompression algorithm fails before the Printer
+            returns an operation response, the Printer object MUST
+            reject the request and return the 'client-error-
+            compression-error' status code.
+         e) If the decompression algorithm fails after the Printer
+            returns an operation response, the Printer object MUST abort
+            the job and add the 'compression-error' value to the job's
+            "job-state-reasons" attribute.
+         f) If the decompression algorithm succeeds, the document data
+            MUST then have the format specified by the job's "document-
+            format" attribute, if supplied (see "document-format"
+            operation attribute definition below).
+
+      "document-format" (mimeMediaType):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  The value of this
+         attribute identifies the format of the supplied document data.
+         The following cases exist:
+
+         a) If the client does not supply this attribute, the Printer
+            object assumes that the document data is in the format
+            defined by the Printer object's "document-format-default"
+            attribute. (i.e. the Printer follows the rules below as if
+            the client supplied the "document-format" attribute with a
+            value equal to the printer's default value).
+         b) If the client supplies this attribute, but the value is not
+            supported by the Printer object, i.e., the value is not one
+            of the values of the Printer object's "document-format-
+            supported" attribute, the Printer object MUST reject the
+            request and return the 'client-error-document-format-not-
+            supported' status code.
+         c) If the client supplies this attribute and its value is
+            'application/octet-stream' (i.e. to be auto-sensed, see
+            Section 4.1.9.1), and the format is not one of the
+            document-formats that the Printer can auto-sense, and this
+            check occurs before the Printer returns an operation
+            response, then the Printer MUST reject the request and
+            return the  'client-error-document-format-not-supported'
+            status code.
+         d) If the client supplies this attribute, and the value is
+            supported by the Printer object, the Printer is capable of
+            interpreting the document data.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 43]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         e) If interpreting of the document data fails before the
+            Printer returns an operation response, the Printer object
+            MUST reject the request and return the 'client-error-
+            document-format-error' status code.
+         f) If interpreting of the document data fails after the Printer
+            returns an operation response, the Printer object MUST abort
+            the job and add the 'document-format-error' value to the
+            job's "job-state-reasons" attribute.
+
+      "document-natural-language" (naturalLanguage):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object OPTIONALLY supports this attribute. This attribute
+         specifies the natural language of the document for those
+         document-formats that require a specification of the natural
+         language in order to image the document unambiguously. There
+         are no particular values required for the Printer object to
+         support.
+
+      "job-k-octets" (integer(0:MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object OPTIONALLY supports this attribute and the "job-k-
+         octets-supported" attribute (see section 4.4.33).  The client
+         supplied "job-k-octets" operation attribute identifies the
+         total size of the document(s) in K octets being submitted (see
+         section 4.3.17.1 for the complete semantics).  If the client
+         supplies the attribute and the Printer object supports the
+         attribute, the value of the attribute is used to populate the
+         Job object's "job-k-octets" Job Description attribute.
+
+         For this attribute and the following two attributes ("job-
+         impressions", and "job-media-sheets"), if the client supplies
+         the attribute, but the Printer object does not support the
+         attribute, the Printer object ignores the client-supplied
+         value.  If the client supplies the attribute and the Printer
+         supports the attribute, and the value is within the range of
+         the corresponding Printer object's "xxx-supported" attribute,
+         the Printer object MUST use the value to populate the Job
+         object's "xxx" attribute.  If the client supplies the attribute
+         and the Printer supports the attribute, but the value is
+         outside the range of the corresponding Printer object's "xxx-
+         supported" attribute, the Printer object MUST copy the
+         attribute and its value to the Unsupported Attributes response
+         group, reject the request, and return the 'client-error-
+         attributes-or-values-not-supported' status code.  If the client
+         does not supply the attribute, the Printer object MAY choose to
+         populate the corresponding Job object attribute depending on
+         whether the Printer object supports the attribute and is able
+         to calculate or discern the correct value.
+
+
+
+Hastings, et al.            Standards Track                    [Page 44]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      "job-impressions" (integer(0:MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object OPTIONALLY supports this attribute and the "job-
+         impressions-supported" attribute (see section 4.4.34).  The
+         client supplied "job-impressions" operation attribute
+         identifies the total size in number of impressions of the
+         document(s) being submitted (see section 4.3.17.2 for the
+         complete semantics).
+
+         See last paragraph under "job-k-octets".
+
+      "job-media-sheets" (integer(0:MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object OPTIONALLY supports this attribute and the "job-media-
+         sheets-supported" attribute (see section 4.4.35).  The client
+         supplied "job-media-sheets" operation attribute identifies the
+         total number of media sheets to be produced for this job (see
+         section 4.3.17.3 for the complete semantics).
+
+         See last paragraph under "job-k-octets".
+
+   Group 2: Job Template Attributes
+
+      The client OPTIONALLY supplies a set of Job Template attributes as
+      defined in section 4.2.  If the client is not supplying any Job
+      Template attributes in the request, the client SHOULD omit Group 2
+      rather than sending an empty group.  However, a Printer object
+      MUST be able to accept an empty group.
+
+   Group 3: Document Content
+
+      The client MUST supply the document data to be processed.
+
+      In addition to the MANDATORY parameters required for every
+      operation request, the simplest Print-Job Request consists of just
+      the "attributes-charset" and "attributes-natural-language"
+      operation attributes; the "printer-uri" target operation
+      attribute; the Document Content and nothing else.  In this simple
+      case, the Printer object:
+
+      - creates a new Job object (the Job object contains a single
+        document),
+      - stores a generated Job name in the "job-name" attribute in the
+        natural language and charset requested (see Section 3.1.4.1) (if
+        those are supported, otherwise using the Printer object's
+        default natural language and charset), and
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 45]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - at job processing time, uses its corresponding default value
+        attributes for the supported Job Template attributes that were
+        not supplied by the client as IPP attribute or embedded
+        instructions in the document data.
+
+3.2.1.2 Print-Job Response
+
+   The Printer object MUST return to the client the following sets of
+   attributes as part of the Print-Job Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in sections 13 and 3.1.6.  If
+         the client supplies unsupported or conflicting Job Template
+         attributes or values, the Printer object MUST reject or accept
+         the Print-Job request depending on the whether the client
+         supplied a 'true' or 'false' value for the "ipp-attribute-
+         fidelity" operation attribute.  See the Implementer's Guide
+         [IPP-IIG] for a complete description of the suggested steps for
+         processing a create request.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+      The value of the "ipp-attribute-fidelity" supplied by the client
+      does not affect what attributes the Printer object returns in this
+      group.  The value of "ipp-attribute-fidelity" only affects whether
+      the Print-Job operation is accepted or rejected.  If the job is
+      accepted, the client may query the job using the Get-Job-
+      Attributes operation requesting the unsupported attributes that
+      were returned in the create response to see which attributes were
+      ignored (not stored on the Job object) and which attributes were
+      stored with other (substituted) values.
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 46]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Group 3: Job Object Attributes
+
+      "job-uri" (uri):
+         The Printer object MUST return the Job object's URI by
+         returning the contents of the REQUIRED "job-uri" Job object
+         attribute.  The client uses the Job object's URI when directing
+         operations at the Job object.  The Printer object always uses
+         its configured security policy when creating the new URI.
+         However, if the Printer object supports more than one URI, the
+         Printer object also uses information about which URI was used
+         in the Print-Job Request to generated the new URI so that the
+         new URI references the correct access channel.  In other words,
+         if the Print-Job Request comes in over a secure channel, the
+         Printer object MUST generate a Job URI that uses the secure
+         channel as well.
+
+      "job-id" (integer(1:MAX)):
+         The Printer object MUST return the Job object's Job ID by
+         returning the REQUIRED  "job-id" Job object attribute.  The
+         client uses this "job-id" attribute in conjunction with the
+         "printer-uri" attribute used in the Print-Job Request when
+         directing Job operations at the Printer object.
+
+      "job-state" (type1 enum):
+         The Printer object MUST return the Job object's REQUIRED "job-
+         state" attribute. The value of this attribute (along with the
+         value of the next attribute:  "job-state-reasons") is taken
+         from a "snapshot" of the new Job object at some meaningful
+         point in time (implementation defined) between when the Printer
+         object receives the Print-Job Request and when the Printer
+         object returns the response.
+
+      "job-state-reasons" (1setOf type2 keyword):
+         The Printer object MUST return the Job object's REQUIRED "job-
+         state-reasons" attribute.
+
+      "job-state-message" (text(MAX)):
+         The Printer object OPTIONALLY returns the Job object's OPTIONAL
+         "job-state-message" attribute.  If the Printer object supports
+         this attribute then it MUST be returned in the response.  If
+         this attribute is not returned in the response, the client can
+         assume that the "job-state-message" attribute is not supported
+         and will not be returned in a subsequent Job object query.
+
+      "number-of-intervening-jobs" (integer(0:MAX)):
+         The Printer object OPTIONALLY returns the Job object's OPTIONAL
+         "number-of-intervening-jobs" attribute.  If the Printer object
+         supports this attribute then it MUST be returned in the
+
+
+
+Hastings, et al.            Standards Track                    [Page 47]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         response.  If this attribute is not returned in the response,
+         the client can assume that the "number-of-intervening-jobs"
+         attribute is not supported and will not be returned in a
+         subsequent Job object query.
+
+         Note: Since any printer state information which affects a job's
+         state is reflected in the "job-state" and "job-state-reasons"
+         attributes, it is sufficient to return only these attributes
+         and no specific printer status attributes.
+
+   Note: In addition to the MANDATORY parameters required for every
+   operation response, the simplest response consists of the just the
+   "attributes-charset" and "attributes-natural-language" operation
+   attributes and the "job-uri", "job-id", and "job-state" Job Object
+   Attributes.  In this simplest case, the status code is 'successful-
+   ok' and there is no "status-message" or "detailed-status-message"
+   operation attribute.
+
+3.2.2 Print-URI Operation
+
+   This OPTIONAL operation is identical to the Print-Job operation
+   (section 3.2.1) except that a client supplies a URI reference to the
+   document data using the "document-uri" (uri) operation attribute (in
+   Group 1) rather than including the document data itself.  Before
+   returning the response, the Printer MUST validate that the Printer
+   supports the retrieval method (e.g., http, ftp, etc.) implied by the
+   URI, and MUST check for valid URI syntax.  If the client-supplied URI
+   scheme is not supported, i.e. the value is not in the Printer
+   object's "referenced-uri-scheme-supported" attribute, the Printer
+   object MUST reject the request and return the 'client-error-uri-
+   scheme-not-supported' status code.
+
+   The IPP Printer MAY validate the accessibility of the document as
+   part of the operation or subsequently.  If the Printer determines an
+   accessibility problem before returning an operation response, it
+   rejects the request and returns the 'client-error-document-access-
+   error' status code.  The Printer MAY also return a specific document
+   access error code using the "document-access-error" operation
+   attribute (see section 3.1.6.4).
+
+   If the Printer determines this document accessibility problem after
+   accepting the request and returning an operation response with one of
+   the successful status codes, the Printer adds the 'document-access-
+   error' value to the job's "job-state-reasons" attribute and MAY
+   populate the job's "job-document-access-errors" Job Description
+   attribute (see section 4.3.11).  See The Implementer's Guide [IPP-
+   IIG] for suggested additional checks.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 48]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   If the Printer object supports this operation, it MUST support the
+   "reference-uri-schemes-supported" Printer attribute (see section
+   4.4.27).
+
+   It is up to the IPP object to interpret the URI and subsequently
+   "pull" the document from the source referenced by the URI string.
+
+3.2.3 Validate-Job Operation
+
+   This REQUIRED operation is similar to the Print-Job operation
+   (section 3.2.1) except that a client supplies no document data and
+   the Printer allocates no resources (i.e., it does not create a new
+   Job object).  This operation is used only to verify capabilities of a
+   printer object against whatever attributes are supplied by the client
+   in the Validate-Job request.  By using the Validate-Job operation a
+   client can validate that an identical Print-Job operation (with the
+   document data) would be accepted. The Validate-Job operation also
+   performs the same security negotiation as the Print-Job operation
+   (see section 8), so that a client can check that the client and
+   Printer object security requirements can be met before performing a
+   Print-Job operation.
+
+   The Validate-Job operation does not accept a "document-uri" attribute
+   in order to allow a client to check that the same Print-URI operation
+   will be accepted, since the client doesn't send the data with the
+   Print-URI operation.  The client SHOULD just issue the Print-URI
+   request.
+
+   The Printer object returns the same status codes, Operation
+   Attributes (Group 1) and Unsupported Attributes (Group 2) as the
+   Print-Job operation.  However, no Job Object Attributes (Group 3) are
+   returned, since no Job object is created.
+
+3.2.4 Create-Job Operation
+
+   This OPTIONAL operation is similar to the Print-Job operation
+   (section 3.2.1) except that in the Create-Job request, a client does
+   not supply document data or any reference to document data.  Also,
+   the client does not supply any of the "document-name", "document-
+   format", "compression", or "document-natural-language" operation
+   attributes.  This operation is followed by one or more Send-Document
+   or Send-URI operations.  In each of those operation requests, the
+   client OPTIONALLY supplies the "document-name", "document-format",
+   and "document-natural-language" attributes for each document in the
+   multi-document Job object.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 49]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   If a Printer object supports the Create-Job operation, it MUST also
+   support the Send-Document operation and also MAY support the Send-URI
+   operation.
+
+   If the Printer object supports this operation, it MUST support the
+   "multiple-operation-time-out" Printer attribute (see section 4.4.31).
+
+   If the Printer object supports this operation, then it MUST support
+   the "multiple-document-jobs-supported" Printer Description attribute
+   (see section 4.4.16) and indicate whether or not it supports
+   multiple-document jobs.
+
+   If the Printer object supports this operation and supports multiple
+   documents in a job, then it MUST support the "multiple-document-
+   handling" Job Template job attribute with at least one value (see
+   section 4.2.4) and the associated "multiple-document-handling-
+   default" and "multiple-document-handling-supported" Job Template
+   Printer attributes (see section 4.2).
+
+   After the Create-Job operation has completed, the value of the "job-
+   state" attribute is similar to the "job-state" after a Print-Job,
+   even though no document-data has arrived.  A Printer MAY set the
+   'job-data-insufficient' value of the job's "job-state-reason"
+   attribute to indicate that processing cannot begin until sufficient
+   data has arrived and set the "job-state" to either 'pending' or
+   'pending-held'.  A non-spooling printer that doesn't implement the
+   'pending' job state may even set the "job-state" to 'processing',
+   even though there is not yet any data to process.  See sections 4.3.7
+   and 4.3.8.
+
+3.2.5 Get-Printer-Attributes Operation
+
+   This REQUIRED operation allows a client to request the values of the
+   attributes of a Printer object.   In the request, the client supplies
+   the set of Printer attribute names and/or attribute group names in
+   which the requester is interested.  In the response, the Printer
+   object returns a corresponding attribute set with the appropriate
+   attribute values filled in.
+
+   For Printer objects, the possible names of attribute groups are:
+
+      - 'job-template': the subset of the Job Template attributes that
+        apply to a Printer object (the last two columns of the table in
+        Section 4.2) that the implementation supports for Printer
+        objects.
+      - 'printer-description': the subset of the attributes specified in
+        Section 4.4 that the implementation supports for Printer
+        objects.
+
+
+
+Hastings, et al.            Standards Track                    [Page 50]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - 'all': the special group 'all' that includes all attributes that
+        the implementation supports for Printer objects.
+
+   Since a client MAY request specific attributes or named groups, there
+   is a potential that there is some overlap.  For example, if a client
+   requests, 'printer-name' and 'all', the client is actually requesting
+   the "printer-name" attribute twice: once by naming it explicitly, and
+   once by inclusion in the 'all' group.  In such cases, the Printer
+   object NEED NOT return each attribute only once in the response even
+   if it is requested multiple times.  The client SHOULD NOT request the
+   same attribute in multiple ways.
+
+   It is NOT REQUIRED that a Printer object support all attributes
+   belonging to a group (since some attributes are OPTIONAL).  However,
+   it is REQUIRED that each Printer object support all group names.
+
+3.2.5.1 Get-Printer-Attributes Request
+
+   The following sets of attributes are part of the Get-Printer-
+   Attributes Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.1.
+
+      Target:
+         The "printer-uri" (uri) operation attribute which is the target
+         for this operation as described in section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in section 8.3.
+
+      "requested-attributes" (1setOf keyword):
+         The client OPTIONALLY supplies a set of attribute names and/or
+         attribute group names in whose values the requester is
+         interested.  The Printer object MUST support this attribute.
+         If the client omits this attribute, the Printer MUST respond as
+         if this attribute had been supplied with a value of 'all'.
+
+      "document-format" (mimeMediaType):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  This attribute is useful
+         for a Printer object to determine the set of supported
+         attribute values that relate to the requested document format.
+         The Printer object MUST return the attributes and values that
+
+
+
+Hastings, et al.            Standards Track                    [Page 51]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         it uses to validate a job on a create or Validate-Job operation
+         in which this document format is supplied. The Printer object
+         SHOULD return only (1) those attributes that are supported for
+         the specified format and (2) the attribute values that are
+         supported for the specified document format.  By specifying the
+         document format, the client can get the Printer object to
+         eliminate the attributes and values that are not supported for
+         a specific document format.  For example, a Printer object
+         might have multiple interpreters to support both
+         'application/postscript' (for PostScript) and 'text/plain' (for
+         text) documents.  However, for only one of those interpreters
+         might the Printer object be able to support "number-up" with
+         values of '1', '2', and '4'.  For the other interpreter it
+         might be able to only support "number-up" with a value of '1'.
+         Thus a client can use the Get-Printer-Attributes operation to
+         obtain the attributes and values that will be used to
+         accept/reject a create job operation.
+
+         If the Printer object does not distinguish between different
+         sets of supported values for each different document format
+         when validating jobs in the create and Validate-Job operations,
+         it MUST NOT distinguish between different document formats in
+         the Get-Printer-Attributes operation. If the Printer object
+         does distinguish between different sets of supported values for
+         each different document format specified by the client, this
+         specialization applies only to the following Printer object
+         attributes:
+
+      - Printer attributes that are Job Template attributes ("xxx-
+        default" "xxx-supported", and "xxx-ready" in the Table in
+        Section 4.2),
+      - "pdl-override-supported",
+      - "compression-supported",
+      - "job-k-octets-supported",
+      - "job-impressions-supported",
+      - "job-media-sheets-supported",
+      - "printer-driver-installer",
+      - "color-supported", and
+      - "reference-uri-schemes-supported"
+
+      The values of all other Printer object attributes (including
+      "document-format-supported") remain invariant with respect to the
+      client supplied document format (except for new Printer
+      description attribute as registered according to section 6.2).
+
+      If the client omits this "document-format" operation attribute,
+      the Printer object MUST respond as if the attribute had been
+      supplied with the value of the Printer object's "document-format-
+
+
+
+Hastings, et al.            Standards Track                    [Page 52]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      default" attribute.  It is RECOMMENDED that the client always
+      supply a value for "document-format", since the Printer object's
+      "document-format-default" may be 'application/octet-stream', in
+      which case the returned attributes and values are for the union of
+      the document formats that the Printer can automatically sense.
+      For more details, see the description of the 'mimeMediaType'
+      attribute syntax in section 4.1.9.
+
+      If the client supplies a value for the "document-format" Operation
+      attribute that is not supported by the Printer, i.e., is not among
+      the values of the Printer object's "document-format-supported"
+      attribute, the Printer object MUST reject the operation and return
+      the 'client-error-document-format-not-supported' status code.
+
+3.2.5.2 Get-Printer-Attributes Response
+
+   The Printer object returns the following sets of attributes as part
+   of the Get-Printer-Attributes Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text(255)) and/or a "detailed-status-message" (text(MAX))
+        operation attribute as described in sections 13 and  3.1.6.
+
+      Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+      The response NEED NOT contain the "requested-attributes" operation
+      attribute with any supplied values (attribute keywords) that were
+      requested by the client but are not supported by the IPP object.
+      If the Printer object does return unsupported attributes
+      referenced in the "requested-attributes" operation attribute and
+      that attribute included group names, such as 'all', the
+      unsupported attributes MUST NOT include attributes described in
+      the standard but not supported by the implementation.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 53]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Group 3: Printer Object Attributes
+
+      This is the set of requested attributes and their current values.
+      The Printer object ignores (does not respond with) any requested
+      attribute which is not supported.  The Printer object MAY respond
+      with a subset of the supported attributes and values, depending on
+      the security policy in force.  However, the Printer object MUST
+      respond with the 'unknown' value for any supported attribute
+      (including all REQUIRED attributes) for which the Printer object
+      does not know the value.  Also the Printer object MUST respond
+      with the 'no-value' for any supported attribute (including all
+      REQUIRED attributes) for which the system administrator has not
+      configured a value.  See the description of the "out-of-band"
+      values in the beginning of Section 4.1.
+
+3.2.6 Get-Jobs Operation
+
+   This REQUIRED operation allows a client to retrieve the list of Job
+   objects belonging to the target Printer object.  The client may also
+   supply a list of Job attribute names and/or attribute group names.  A
+   group of Job object attributes will be returned for each Job object
+   that is returned.
+
+   This operation is similar to the Get-Job-Attributes operation, except
+   that this Get-Jobs operation returns attributes from possibly more
+   than one object.
+
+3.2.6.1 Get-Jobs Request
+
+   The client submits the Get-Jobs request to a Printer object.
+
+   The following groups of attributes are part of the Get-Jobs Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.1.
+
+      Target:
+         The "printer-uri" (uri) operation attribute which is the target
+         for this operation as described in section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in section 8.3.
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 54]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      "limit" (integer(1:MAX)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute. It is an integer value that
+         determines the maximum number of jobs that a client will
+         receive from the Printer even if "which-jobs" or "my-jobs"
+         constrain which jobs are returned.  The limit is a "stateless
+         limit" in that if the value supplied by the client is 'N', then
+         only the first 'N' jobs are returned in the Get-Jobs Response.
+         There is no mechanism to allow for the next 'M' jobs after the
+         first 'N' jobs.  If the client does not supply this attribute,
+         the Printer object responds with all applicable jobs.
+
+      "requested-attributes" (1setOf type2 keyword):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  It is a set of Job
+         attribute names and/or attribute groups names in whose values
+         the requester is interested.  This set of attributes is
+         returned for each Job object that is returned.  The allowed
+         attribute group names are the same as those defined in the
+         Get-Job-Attributes operation in section 3.3.4.  If the client
+         does not supply this attribute, the Printer MUST respond as if
+         the client had supplied this attribute with two values: 'job-
+         uri' and 'job-id'.
+
+      "which-jobs" (type2 keyword):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  It indicates which Job
+         objects MUST be returned by the Printer object. The values for
+         this attribute are:
+
+      'completed': This includes any Job object whose state is
+         'completed', 'canceled', or 'aborted'.
+      'not-completed': This includes any Job object whose state is
+         'pending', 'processing', 'processing-stopped', or 'pending-
+         held'.
+
+         A Printer object MUST support both values.  However, if the
+         implementation does not keep jobs in the 'completed',
+         'canceled', and 'aborted' states, then it returns no jobs when
+         the 'completed' value is supplied.
+
+         If a client supplies some other value, the Printer object MUST
+         copy the attribute and the unsupported value to the Unsupported
+         Attributes response group, reject the request, and return the
+         'client-error-attributes-or-values-not-supported' status code.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 55]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         If the client does not supply this attribute, the Printer
+         object MUST respond as if the client had supplied the attribute
+         with a value of 'not-completed'.
+
+      "my-jobs" (boolean):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object MUST support this attribute.  It indicates whether jobs
+         from all users or just the jobs submitted by the requesting
+         user of this request MUST be considered as candidate jobs to be
+         returned by the Printer object.  If the client does not supply
+         this attribute, the Printer object MUST respond as if the
+         client had supplied the attribute with a value of 'false',
+         i.e., jobs from all users.  The means for authenticating the
+         requesting user and matching the jobs is described in section
+         8.
+
+3.2.6.2 Get-Jobs Response
+
+   The Printer object returns all of the Job objects up to the number
+   specified by the "limit" attribute that match the criteria as defined
+   by the attribute values supplied by the client in the request.  It is
+   possible that no Job objects are returned since there may literally
+   be no Job objects at the Printer, or there may be no Job objects that
+   match the criteria supplied by the client.  If the client requests
+   any Job attributes at all, there is a set of Job Object Attributes
+   returned for each Job object.
+
+   It is not an error for the Printer to return 0 jobs. If the response
+   returns 0 jobs because there are no jobs matching the criteria, and
+   the request would have returned 1 or more jobs with a status code of
+   'successful-ok' if there had been jobs matching the criteria, then
+   the status code for 0 jobs MUST be 'successful-ok'.
+
+   Group 1: Operation Attributes
+
+      Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text(255)) and/or a "detailed-status-message" (text(MAX))
+        operation attribute as described in sections 13 and 3.1.6.
+
+      Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 56]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+      The response NEED NOT contain the "requested-attributes" operation
+      attribute with any supplied values (attribute keywords) that were
+      requested by the client but are not supported by the IPP object.
+      If the Printer object does return unsupported attributes
+      referenced in the "requested-attributes" operation attribute and
+      that attribute included group names, such as 'all', the
+      unsupported attributes MUST NOT include attributes described in
+      the standard but not supported by the implementation.
+
+   Groups 3 to N: Job Object Attributes
+
+      The Printer object responds with one set of Job Object Attributes
+      for each returned Job object.  The Printer object ignores (does
+      not respond with) any requested attribute or value which is not
+      supported or which is restricted by the security policy in force,
+      including whether the requesting user is the user that submitted
+      the job (job originating user) or not (see section 8).  However,
+      the Printer object MUST respond with the 'unknown' value for any
+      supported attribute (including all REQUIRED attributes) for which
+      the Printer object does not know the value, unless it would
+      violate the security policy.  See the description of the "out-of-
+      band" values in the beginning of Section 4.1.
+
+      Jobs are returned in the following order:
+
+      - If the client requests all 'completed' Jobs (Jobs in the
+        'completed', 'aborted', or 'canceled' states), then the Jobs are
+        returned newest to oldest (with respect to actual completion
+        time)
+      - If the client requests all 'not-completed' Jobs (Jobs in the
+        'pending', 'processing', 'pending-held', and 'processing-
+        stopped' states), then Jobs are returned in relative
+        chronological order of expected time to complete (based on
+        whatever scheduling algorithm is configured for the Printer
+        object).
+
+3.2.7 Pause-Printer Operation
+
+   This OPTIONAL operation allows a client to stop the Printer object
+   from scheduling jobs on all its devices.  Depending on
+   implementation, the Pause-Printer operation MAY also stop the Printer
+   from processing the current job or jobs.  Any job that is currently
+   being printed is either stopped as soon as the implementation permits
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 57]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   or is completed, depending on implementation.  The Printer object
+   MUST still accept create operations to create new jobs, but MUST
+   prevent any jobs from entering the 'processing' state.
+
+   If the Pause-Printer operation is supported, then the Resume-Printer
+   operation MUST be supported, and vice-versa.
+
+   The IPP Printer stops the current job(s) on its device(s) that were
+   in the 'processing' or 'processing-stopped' states as soon as the
+   implementation permits.  If the implementation will take appreciable
+   time to stop, the IPP Printer adds the 'moving-to-paused' value to
+   the Printer object's "printer-state-reasons" attribute (see section
+   4.4.12).  When the device(s) have all stopped, the IPP Printer
+   transitions the Printer object to the 'stopped' state, removes the
+   'moving-to-paused' value, if present, and adds the 'paused' value to
+   the Printer object's "printer-state-reasons" attribute.
+
+   When the current job(s) complete that were in the 'processing' state,
+   the IPP Printer transitions them to the 'completed' state.  When the
+   current job(s) stop in mid processing that were in the 'processing'
+   state, the IPP Printer transitions them to the 'processing-stopped'
+   state and adds the 'printer-stopped' value to the job's "job-state-
+   reasons" attribute.
+
+   For any jobs that are 'pending' or 'pending-held', the 'printer-
+   stopped' value of the jobs' "job-state-reasons" attribute also
+   applies.  However, the IPP Printer NEED NOT update those jobs' "job-
+   state-reasons" attributes and only need return the 'printer-stopped'
+   value when those jobs are queried (so-called "lazy evaluation").
+
+   Whether the Pause-Printer operation affects jobs that were submitted
+   to the device from other sources than the IPP Printer object in the
+   same way that the Pause-Printer operation affects jobs that were
+   submitted to the IPP Printer object using IPP, depends on
+   implementation, i.e., on whether the IPP protocol is being used as a
+   universal management protocol or just to manage IPP jobs,
+   respectively.
+
+   The IPP Printer MUST accept the request in any state and transition
+   the Printer to the indicated new "printer-state" before returning as
+   follows:
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 58]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+     Current        New      "printer   IPP Printer's response status
+    "printer-    "printer-   -state-          code and action:
+     state"       state"    reasons"
+
+  'idle'       'stopped'    'paused'  'successful-ok'
+  'processing' 'processing' 'moving-  OPTION 1: 'successful-ok';
+                              to-       Later, when all output has
+                              paused'   stopped, the "printer-state"
+                                        becomes 'stopped', and the
+                                        'paused' value replaces the
+                                        'moving-to-paused' value in the
+                                        "printer-state-reasons"
+                                        attribute
+  'processing' 'stopped'    'paused'  OPTION 2: 'successful-ok';
+                                        all device output stopped
+                                        immediately
+  'stopped'    'stopped'    'paused'  'successful-ok'
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must be an operator or administrator of the Printer
+   object (see Sections 1 and 8.5).   Otherwise, the IPP Printer MUST
+   reject the operation and return:  'client-error-forbidden', 'client-
+   error-not-authenticated', or 'client-error-not-authorized' as
+   appropriate.
+
+3.2.7.1 Pause-Printer Request
+
+   The following groups of attributes are part of the Pause-Printer
+   Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+      Target:
+        The "printer-uri" (uri) operation attribute which is the target
+        for this operation as described in section 3.1.5.
+
+      Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 59]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.2.7.2 Pause-Printer Response
+
+   The following groups of attributes are part of the Pause-Printer
+   Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+        In addition to the REQUIRED status code returned in every
+        response, the response OPTIONALLY includes a "status-message"
+        (text(255)) and/or a "detailed-status-message" (text(MAX))
+        operation attribute as described in sections 13 and  3.1.6.
+
+      Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+3.2.8 Resume-Printer Operation
+
+   This operation allows a client to resume the Printer object
+   scheduling jobs on all its devices.  The Printer object MUST remove
+   the 'paused' and 'moving-to-paused' values from the Printer object's
+   "printer-state-reasons" attribute, if present.  If there are no other
+   reasons to keep a device paused (such as media-jam), the IPP Printer
+   is free to transition itself to the 'processing' or 'idle' states,
+   depending on whether there are jobs to be processed or not,
+   respectively, and the device(s) resume processing jobs.
+
+   If the Pause-Printer operation is supported, then the Resume-Printer
+   operation MUST be supported, and vice-versa.
+
+   The IPP Printer removes the 'printer-stopped' value from any job's
+   "job-state-reasons" attributes contained in that Printer.
+
+   The IPP Printer MUST accept the request in any state, transition the
+   Printer object to the indicated new state as follows:
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 60]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+     Current    New "printer-  IPP Printer's response status code and
+    "printer-      state"                     action:
+      state"
+
+   'idle'       'idle'         'successful-ok'
+   'processing' 'processing'   'successful-ok'
+
+   'stopped'    'processing'   'successful-ok';
+                               when there are jobs to be processed
+   'stopped'    'idle'         'successful-ok';
+                               when there are no jobs to be processed.
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must be an operator or administrator of the Printer
+   object (see Sections 1 and 8.5).  Otherwise, the IPP Printer MUST
+   reject the operation and return:  'client-error-forbidden', 'client-
+   error-not-authenticated', or 'client-error-not-authorized' as
+   appropriate.
+
+   The Resume-Printer Request and Resume-Printer Response have the same
+   attribute groups and attributes as the Pause-Printer operation (see
+   sections 3.2.7.1 and 3.2.7.2).
+
+3.2.9 Purge-Jobs Operation
+
+   This OPTIONAL operation allows a client to remove all jobs from an
+   IPP Printer object, regardless of their job states, including jobs in
+   the Printer object's Job History (see Section 4.3.7.2).  After a
+   Purge-Jobs operation has been performed, a Printer object MUST return
+   no jobs in subsequent Get-Job-Attributes and Get-Jobs responses
+   (until new jobs are submitted).
+
+   Whether the Purge-Jobs (and Get-Jobs) operation affects jobs that
+   were submitted to the device from other sources than the IPP Printer
+   object in the same way that the Purge-Jobs operation affects jobs
+   that were submitted to the IPP Printer object using IPP, depends on
+   implementation, i.e., on whether the IPP protocol is being used as a
+   universal management protocol or just to manage IPP jobs,
+   respectively.
+
+   Note:  if an operator wants to cancel all jobs without clearing out
+   the Job History, the operator uses the Cancel-Job operation on each
+   job instead of using the Purge-Jobs operation.
+
+   The Printer object MUST accept this operation in any state and
+   transition the Printer object to the 'idle' state.
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 61]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must be an operator or administrator of the Printer
+   object (see Sections 1 and 8.5).  Otherwise, the IPP object MUST
+   reject the operation and return: client-error-forbidden, client-
+   error-not-authenticated, and client-error-not-authorized as
+   appropriate.
+
+   The Purge-Jobs Request and Purge-Jobs Response have the same
+   attribute groups and attributes as the Pause-Printer operation (see
+   sections 3.2.7.1 and 3.2.7.2).
+
+3.3 Job Operations
+
+   All Job operations are directed at Job objects.  A client MUST always
+   supply some means of identifying the Job object in order to identify
+   the correct target of the operation.  That job identification MAY
+   either be a single Job URI or a combination of a Printer URI with a
+   Job ID.  The IPP object implementation MUST support both forms of
+   identification for every job.
+
+3.3.1 Send-Document Operation
+
+   This OPTIONAL operation allows a client to create a multi-document
+   Job object that is initially "empty" (contains no documents).  In the
+   Create-Job response, the Printer object returns the Job object's URI
+   (the "job-uri" attribute) and the Job object's 32-bit identifier (the
+   "job-id" attribute).  For each new document that the client desires
+   to add, the client uses a Send-Document operation.  Each Send-
+   Document Request contains the entire stream of document data for one
+   document.
+
+   If the Printer supports this operation but does not support multiple
+   documents per job, the Printer MUST reject subsequent Send-Document
+   operations supplied with data and return the 'server-error-multiple-
+   document-jobs-not-supported'.  However, the Printer MUST accept the
+   first document with a 'true' or 'false' value for the "last-document"
+   operation attribute (see below), so that clients MAY always submit
+   one document jobs with a 'false' value for "last-document" in the
+   first Send-Document and a 'true' for "last-document" in the second
+   Send-Document (with no data).
+
+   Since the Create-Job and the send operations (Send-Document or Send-
+   URI operations) that follow could occur over an arbitrarily long
+   period of time for a particular job, a client MUST send another send
+   operation within an IPP Printer defined minimum time interval after
+   the receipt of the previous request for the job.  If a Printer object
+   supports the Create-Job and Send-Document operations, the Printer
+   object MUST support the "multiple-operation-time-out" attribute (see
+
+
+
+Hastings, et al.            Standards Track                    [Page 62]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   section 4.4.31).  This attribute indicates the minimum number of
+   seconds the Printer object will wait for the next send operation
+   before taking some recovery action.
+
+   An IPP object MUST recover from an errant client that does not supply
+   a send operation, sometime after the minimum time interval specified
+   by the Printer object's "multiple-operation-time-out" attribute.
+   Such recovery MAY include any of the following or other recovery
+   actions:
+
+      1. Assume that the Job is an invalid job, start the process of
+         changing the job state to 'aborted', add the 'aborted-by-
+         system' value to the job's "job-state-reasons" attribute (see
+         section 4.3.8), and clean up all resources associated with the
+         Job.  In this case, if another send operation is finally
+         received, the Printer responds with an "client-error-not-
+         possible" or "client-error-not-found" depending on whether or
+         not the Job object is still around when the send operation
+         finally arrives.
+      2. Assume that the last send operation received was in fact the
+         last document (as if the "last-document" flag had been set to
+         'true'), close the Job object, and proceed to process it (i.e.,
+         move the Job's state to 'pending').
+      3. Assume that the last send operation received was in fact the
+         last document, close the Job, but move it to the 'pending-held'
+         and add the 'submission-interrupted' value to the job's "job-
+         state-reasons" attribute (see section 4.3.8).  This action
+         allows the user or an operator to determine whether to continue
+         processing the Job by moving it back to the 'pending' state
+         using the Release-Job operation (see section 3.3.6) or to
+         cancel the job using the Cancel-Job operation (see section
+         3.3.3).
+
+   Each implementation is free to decide the "best" action to take
+   depending on local policy, whether any documents have been added,
+   whether the implementation spools jobs or not,  and/or any other
+   piece of information available to it.  If the choice is to abort the
+   Job object, it is possible that the Job object may already have been
+   processed to the point that some media sheet pages have been printed.
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must either be the job owner (as determined in the
+   Create-Job operation) or an operator or administrator of the Printer
+   object (see Sections 1 and 8.5).  Otherwise, the IPP object MUST
+   reject the operation and return: 'client-error-forbidden', 'client-
+   error-not-authenticated', or 'client-error-not-authorized' as
+   appropriate.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 63]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.3.1.1 Send-Document Request
+
+   The following attribute sets are part of the Send-Document Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+      Target:
+        Either (1) the "printer-uri" (uri) plus "job-id"
+        (integer(1:MAX))or (2) the "job-uri" (uri) operation
+        attribute(s) which define the target for this operation as
+        described in section 3.1.5.
+
+      Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+      "document-name" (name(MAX)):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object MUST support this attribute.  It contains the client
+        supplied document name.  The document name MAY be different than
+        the Job name.  It might be helpful, but NEED NOT be unique
+        across multiple documents in the same Job.  Typically, the
+        client software automatically supplies the document name on
+        behalf of the end user by using a file name or an application
+        generated name.  See the description of the "document-name"
+        operation attribute in the Print-Job Request (section 3.2.1.1)
+        for more information about this attribute.
+
+      "compression" (type3 keyword):
+        See the description of "compression" for the Print-Job operation
+        in Section 3.2.1.1.
+
+      "document-format" (mimeMediaType):
+        See the description of "document-format" for the Print-Job
+        operation in Section 3.2.1.1.
+
+      "document-natural-language" (naturalLanguage):
+        The client OPTIONALLY supplies this attribute.  The Printer
+        object OPTIONALLY supports this attribute.  This attribute
+        specifies the natural language of the document for those
+        document-formats that require a specification of the natural
+        language in order to image the document unambiguously.  There
+        are no particular values required for the Printer object to
+        support.
+
+
+
+Hastings, et al.            Standards Track                    [Page 64]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      "last-document" (boolean):
+        The client MUST supply this attribute.  The Printer object MUST
+        support this attribute. It is a boolean flag that is set to
+        'true' if this is the last document for the Job, 'false'
+        otherwise.
+
+   Group 2: Document Content
+
+      The client MUST supply the document data if the "last-document"
+      flag is set to 'false'.  However, since a client might not know
+      that the previous document sent with a Send-Document (or Send-URI)
+      operation was the last document (i.e., the "last-document"
+      attribute was set to 'false'), it is legal to send a Send-Document
+      request with no document data where the "last-document" flag is
+      set to 'true'.  Such a request MUST NOT increment the value of the
+      Job object's "number-of-documents" attribute, since no real
+      document was added to the job.  It is not an error for a client to
+      submit a job with no actual document data, i.e., only a single
+      Create-Job and Send-Document request with a "last-document"
+      operation attribute set to 'true' with no document data.
+
+3.3.1.2 Send-Document Response
+
+   The following sets of attributes are part of the Send-Document
+   Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in sections 13 and 3.1.6.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+   Group 3: Job Object Attributes
+
+      This is the same set of attributes as described in the Print-Job
+      response (see section 3.2.1.2).
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 65]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.3.2 Send-URI Operation
+
+   This OPTIONAL operation is identical to the Send-Document operation
+   (see section 3.3.1) except that a client MUST supply a URI reference
+   ("document-uri" operation attribute) rather than the document data
+   itself.  If a Printer object supports this operation, clients can use
+   both Send-URI or Send-Document operations to add new documents to an
+   existing multi-document Job object.  However, if a client needs to
+   indicate that the previous Send-URI or Send-Document was the last
+   document,  the client MUST use the Send-Document operation with no
+   document data and the "last-document" flag set to 'true' (rather than
+   using a Send-URI operation with no "document-uri" operation
+   attribute).
+
+   If a Printer object supports this operation, it MUST also support the
+   Print-URI operation (see section 3.2.2).
+
+   The Printer object MUST validate the syntax and URI scheme of the
+   supplied URI before returning a response, just as in the Print-URI
+   operation.  The IPP Printer MAY validate the accessibility of the
+   document as part of the operation or subsequently (see section
+   3.2.2).
+
+3.3.3 Cancel-Job Operation
+
+   This REQUIRED operation allows a client to cancel a Print Job from
+   the time the job is created up to the time it is completed, canceled,
+   or aborted.  Since a Job might already be printing by the time a
+   Cancel-Job is received, some media sheet pages might be printed
+   before the job is actually terminated.
+
+   The IPP object MUST accept or reject the request based on the job's
+   current state and transition the job to the indicated new state as
+   follows:
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 66]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+       Current "job-    New "job-     IPP object's response status
+           state"         state"             code and action:
+
+      'pending'       'canceled'     'successful-ok'
+      'pending-held'  'canceled'     'successful-ok'
+      'processing'    'canceled'     'successful-ok'
+      'processing'    'processing'   'successful-ok'  See Rule 1
+      'processing'    'processing'   'client-error-not-possible'
+                                     See Rule 2
+      'processing-    'canceled'     'successful-ok'
+      stopped'
+      'processing-    'processing-   'successful-ok'  See Rule 1
+      stopped'        stopped'
+      'processing-    'processing-   'client-error-not-possible'
+      stopped'        stopped'       See Rule 2
+      'completed'     'completed'    'client-error-not-possible'
+      'canceled'      'canceled'     'client-error-not-possible'
+      'aborted'       'aborted'      'client-error-not-possible'
+
+   Rule 1:  If the implementation requires some measurable time to
+   cancel the job in the 'processing' or 'processing-stopped' job
+   states, the IPP object MUST add the 'processing-to-stop-point' value
+   to the job's "job-state-reasons" attribute and then transition the
+   job to the 'canceled' state when the processing ceases (see section
+   4.3.8).
+
+   Rule 2:  If the Job object already has the 'processing-to-stop-point'
+   value in its "job-state-reasons" attribute, then the Printer object
+   MUST reject a Cancel-Job operation.
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must either be the job owner or an operator or
+   administrator of the Printer object (see Sections 1 and 8.5).
+   Otherwise, the IPP object MUST reject the operation and return:
+    'client-error-forbidden', 'client-error-not-authenticated', or
+   'client-error-not-authorized' as appropriate.
+
+3.3.3.1 Cancel-Job Request
+
+   The following groups of attributes are part of the Cancel-Job
+   Request:
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.1.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 67]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      Target:
+         Either (1) the "printer-uri" (uri) plus "job-id"
+         (integer(1:MAX))or (2) the "job-uri" (uri) operation
+         attribute(s) which define the target for this operation as
+         described in section 3.1.5.
+
+      Requesting User Name:
+         The "requesting-user-name" (name(MAX)) attribute SHOULD be
+         supplied by the client as described in section 8.3.
+
+      "message" (text(127)):
+         The client OPTIONALLY supplies this attribute.  The Printer
+         object OPTIONALLY supports this attribute. It is a message to
+         the operator.  This "message" attribute is not the same as the
+         "job-message-from-operator" attribute.  That attribute is used
+         to report a message from the operator to the end user that
+         queries that attribute.  This "message" operation attribute is
+         used to send a message from the client to the operator along
+         with the operation request.  It is an implementation decision
+         of how or where to display this message to the operator (if at
+         all).
+
+3.3.3.2 Cancel-Job Response
+
+   The following sets of attributes are part of the Cancel-Job Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in sections 13 and 3.1.6.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.2.
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+   Once a successful response has been sent, the implementation
+   guarantees that the Job will eventually end up in the 'canceled'
+   state. Between the time of the Cancel-Job operation is accepted and
+   when the job enters the 'canceled' job-state (see section 4.3.7), the
+   "job-state-reasons" attribute SHOULD contain the 'processing-to-
+   stop-point'
+
+
+
+Hastings, et al.            Standards Track                    [Page 68]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   value which indicates to later queries that although the Job might
+   still be 'processing', it will eventually end up in the
+   'canceled' state, not the 'completed' state.
+
+3.3.4 Get-Job-Attributes Operation
+
+   This REQUIRED operation allows a client to request the values of
+   attributes of a Job object and it is almost identical to the Get-
+   Printer-Attributes operation (see section 3.2.5).  The only
+   differences are that the operation is directed at a Job object rather
+   than a Printer object, there is no "document-format" operation
+   attribute used when querying a Job object, and the returned attribute
+   group is a set of Job object attributes rather than a set of Printer
+   object attributes.
+
+   For Jobs, the possible names of attribute groups are:
+
+      - 'job-template': the subset of the Job Template attributes that
+        apply to a Job object (the first column of the table in Section
+        4.2) that the implementation supports for Job objects.
+      - 'job-description': the subset of the Job Description attributes
+        specified in Section 4.3 that the implementation supports for
+        Job objects.
+      - 'all': the special group 'all' that includes all attributes that
+        the implementation supports for Job objects.
+
+   Since a client MAY request specific attributes or named groups, there
+   is a potential that there is some overlap.  For example, if a client
+   requests, 'job-name' and 'job-description', the client is actually
+   requesting the "job-name" attribute once by naming it explicitly, and
+   once by inclusion in the 'job-description' group.  In such cases, the
+   Printer object NEED NOT return the attribute only once in the
+   response even if it is requested multiple times.  The client SHOULD
+   NOT request the same attribute in multiple ways.
+
+   It is NOT REQUIRED that a Job object support all attributes belonging
+   to a group (since some attributes are OPTIONAL).  However it is
+   REQUIRED that each Job object support all these group names.
+
+3.3.4.1 Get-Job-Attributes Request
+
+   The following groups of attributes are part of the Get-Job-Attributes
+   Request when the request is directed at a Job object:
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 69]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Group 1: Operation Attributes
+
+      Natural Language and Character Set:
+        The "attributes-charset" and "attributes-natural-language"
+        attributes as described in section 3.1.4.1.
+
+      Target:
+        Either (1) the "printer-uri" (uri) plus "job-id"
+        (integer(1:MAX)) or (2) the "job-uri" (uri) operation
+        attribute(s) which define the target for this operation as
+        described in section 3.1.5.
+
+      Requesting User Name:
+        The "requesting-user-name" (name(MAX)) attribute SHOULD be
+        supplied by the client as described in section 8.3.
+
+      "requested-attributes" (1setOf keyword):
+        The client OPTIONALLY supplies this attribute.  The IPP object
+        MUST support this attribute.   It is a set of attribute names
+        and/or attribute group names in whose values the requester is
+        interested.  If the client omits this attribute, the IPP object
+        MUST respond as if this attribute had been supplied with a value
+        of 'all'.
+
+3.3.4.2 Get-Job-Attributes Response
+
+   The Printer object returns the following sets of attributes as part
+   of the Get-Job-Attributes Response:
+
+   Group 1: Operation Attributes
+
+      Status Message:
+         In addition to the REQUIRED status code returned in every
+         response, the response OPTIONALLY includes a "status-message"
+         (text(255)) and/or a "detailed-status-message" (text(MAX))
+         operation attribute as described in sections 13 and 3.1.6.
+
+      Natural Language and Character Set:
+         The "attributes-charset" and "attributes-natural-language"
+         attributes as described in section 3.1.4.2.  The "attributes-
+         natural-language" MAY be the natural language of the Job
+         object, rather than the one requested.
+
+   Group 2: Unsupported Attributes
+
+      See section 3.1.7 for details on returning Unsupported Attributes.
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 70]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      The response NEED NOT contain the "requested-attributes" operation
+      attribute with any supplied values (attribute keywords) that were
+      requested by the client but are not supported by the IPP object.
+      If the Printer object does return unsupported attributes
+      referenced in the "requested-attributes" operation attribute and
+      that attribute included group names, such as 'all', the
+      unsupported attributes MUST NOT include attributes described in
+      the standard but not supported by the implementation.
+
+   Group 3: Job Object Attributes
+
+      This is the set of requested attributes and their current values.
+      The IPP object ignores (does not respond with) any requested
+      attribute or value which is not supported or which is restricted
+      by the security policy in force, including whether the requesting
+      user is the user that submitted the job (job originating user) or
+      not (see section 8).  However, the IPP object MUST respond with
+      the 'unknown' value for any supported attribute (including all
+      REQUIRED attributes) for which the IPP object does not know the
+      value, unless it would violate the security policy.  See the
+      description of the "out-of-band" values in the beginning of
+      Section 4.1.
+
+3.3.5 Hold-Job Operation
+
+   This OPTIONAL operation allows a client to hold a pending job in the
+   queue so that it is not eligible for scheduling.  If the Hold-Job
+   operation is supported, then the Release-Job operation MUST be
+   supported, and vice-versa.  The OPTIONAL "job-hold-until" operation
+   attribute allows a client to specify whether to hold the job
+   indefinitely or until a specified time period, if supported.
+
+   The IPP object MUST accept or reject the request based on the job's
+   current state and transition the job to the indicated new state as
+   follows:
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 71]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+        Current "job-     New "job-state"   IPP object's response status
+            state"                                 code and action:
+
+      'pending'         'pending-held'     'successful-ok'  See Rule 1
+      'pending'         'pending'          'successful-ok'  See Rule 2
+      'pending-held'    'pending-held'     'successful-ok'  See Rule 1
+      'pending-held'    'pending'          'successful-ok'  See Rule 2
+      'processing'      'processing'       'client-error-not-possible'
+      'processing-      'processing-       'client-error-not-possible'
+      stopped'          stopped'
+      'completed'       'completed'        'client-error-not-possible'
+      'canceled'        'canceled'         'client-error-not-possible'
+      'aborted'         'aborted'          'client-error-not-possible'
+
+   Rule 1:  If the implementation supports multiple reasons for a job to
+   be in the 'pending-held' state, the IPP object MUST add the 'job-
+   hold-until-specified' value to the job's "job-state-reasons"
+   attribute.
+
+   Rule 2:  If the IPP object supports the "job-hold-until" operation
+   attribute, but the specified time period has already started (or is
+   the 'no-hold' value) and there are no other reasons to hold the job,
+   the IPP object MUST make the job be a candidate for processing
+   immediately (see Section 4.2.2) by putting the job in the 'pending'
+   state.
+
+   Note:  In order to keep the Hold-Job operation simple, such a request
+   is rejected when the job is in the 'processing' or 'processing-
+   stopped' states.  If an operation is needed to hold jobs while in
+   these states, it will be added as an additional operation, rather
+   than overloading the Hold-Job operation.  Then it is clear to clients
+   by querying the Printer object's "operations-supported" (see Section
+   4.4.15) and the Job object's "job-state" (see Section 4.3.7)
+   attributes which operations are possible.
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must either be the job owner or an operator or
+   administrator of the Printer object (see Sections 1 and 8.5).
+   Otherwise, the IPP object MUST reject the operation and return:
+   'client-error-forbidden', 'client-error-not-authenticated', or
+   'client-error-not-authorized' as appropriate.
+
+3.3.5.1 Hold-Job Request
+
+   The groups and operation attributes are the same as for a Cancel-Job
+   request (see section 3.3.3.1), with the addition of the following
+   Group 1 Operation attribute:
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 72]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      "job-hold-until" (type3 keyword | name(MAX)):
+         The client OPTIONALLY supplies this Operation attribute.  The
+         IPP object MUST support this operation attribute in a Hold-Job
+         request, if it supports the "job-hold-until" Job template
+         attribute in create operations.  See section 4.2.2.  The IPP
+         object SHOULD support the "job-hold-until" Job Template
+         attribute for use in job create operations with at least the
+         'indefinite' value, if it supports the Hold-Job operation.
+         Otherwise, a client cannot create a job and hold it immediately
+         (without picking some supported time period in the future).
+
+         If supplied and supported as specified in the Printer's "job-
+         hold-until-supported" attribute, the IPP object copies the
+         supplied operation attribute to the Job object, replacing the
+         job's previous "job-hold-until" attribute, if present, and
+         makes the job a candidate for scheduling during the supplied
+         named time period.
+
+         If supplied, but either the "job-hold-until" Operation
+         attribute itself or the value supplied is not supported, the
+         IPP object accepts the request, returns the unsupported
+         attribute or value in the Unsupported Attributes Group
+         according to section 3.1.7, returns the 'successful-ok-
+         ignored-or-substituted-attributes, and holds the job
+         indefinitely until a client performs a subsequent Release-Job
+         operation.
+
+         If the client (1) supplies a value that specifies a time period
+         that has already started or the 'no-hold' value (meaning don't
+         hold the job) and (2) the IPP object supports the "job-hold-
+         until" operation attribute and there are no other reasons to
+         hold the job, the IPP object MUST accept the operation and make
+         the job be a candidate for processing immediately (see Section
+         4.2.2).
+
+         If the client does not supply a "job-hold-until" Operation
+         attribute in the request, the IPP object MUST populate the job
+         object with a "job-hold-until" attribute with the 'indefinite'
+         value (if IPP object supports the "job-hold-until" attribute)
+         and hold the job indefinitely, until a client performs a
+         Release-Job operation.
+
+3.3.5.2 Hold-Job Response
+
+   The groups and attributes are the same as for a Cancel-Job response
+   (see section 3.3.3.2).
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 73]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.3.6 Release-Job Operation
+
+   This OPTIONAL operation allows a client to release a previously held
+   job so that it is again eligible for scheduling.  If the Hold-Job
+   operation is supported, then the Release-Job operation MUST be
+   supported, and vice-versa.
+
+   This operation removes the "job-hold-until" job attribute, if
+   present, from the job object that had been supplied in the create or
+   most recent Hold-Job or Restart-Job operation and removes its effect
+   on the job.  The IPP object MUST remove the 'job-hold-until-
+   specified' value from the job's "job-state-reasons" attribute, if
+   present.  See section 4.3.8.
+
+   The IPP object MUST accept or reject the request based on the job's
+   current state and transition the job to the indicated new state as
+   follows:
+
+        Current "job-   New "job-state"    IPP object's response status
+           state"                                code and action:
+
+      'pending'        'pending'        'successful-ok'
+                                         No effect on the job.
+      'pending-held'   'pending-held'   'successful-ok'  See Rule 1
+      'pending-held'   'pending'        'successful-ok'
+      'processing'     'processing'     'successful-ok'
+                                         No effect on the job.
+      'processing-     'processing-     'successful-ok'
+       stopped'         stopped'         No effect on the job.
+      'completed'      'completed'      'client-error-not-possible'
+      'canceled'       'canceled'       'client-error-not-possible'
+      'aborted'        'aborted'        'client-error-not-possible'
+
+   Rule 1:  If there are other reasons to keep the job in the 'pending-
+   held' state, such as 'resources-are-not-ready', the job remains in
+   the 'pending-held' state.  Thus the 'pending-held' state is not just
+   for jobs that have the 'job-hold-until' applied to them, but are for
+   any reason to keep the job from being a candidate for scheduling and
+   processing, such as 'resources-are-not-ready'.  See the "job-hold-
+   until" attribute (section 4.2.2).
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must either be the job owner or an operator or
+   administrator of the Printer object (see Sections 1 and 8.5).
+   Otherwise, the IPP object MUST reject the operation and return:
+   'client-error-forbidden', 'client-error-not-authenticated', or
+   'client-error-not-authorized' as appropriate.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 74]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The Release-Job Request and Release-Job Response have the same
+   attribute groups and attributes as the Cancel-Job operation (see
+   section 3.3.3.1 and 3.3.3.2).
+
+3.3.7 Restart-Job Operation
+
+   This OPTIONAL operation allows a client to restart a job that is
+   retained in the queue after processing has completed (see section
+   4.3.7.2).
+
+   The job is moved to the 'pending' or 'pending-held' job state and
+   restarts at the beginning on the same IPP Printer object with the
+   same attribute values.  If any of the documents in the job were
+   passed by reference (Print-URI or Send-URI), the Printer MUST re-
+   fetch the data, since the semantics of Restart-Job are to repeat all
+   Job processing.  The Job Description attributes that accumulate job
+   progress, such as "job-impressions-completed", "job-media-sheets-
+   completed", and "job-k-octets-processed", MUST be reset to 0 so that
+   they give an accurate record of the job from its restart point.  The
+   job object MUST continue to use the same "job-uri" and "job-id"
+   attribute values.
+
+   Note:  If in the future an operation is needed that does not reset
+   the job progress attributes, then a new operation will be defined
+   which makes a copy of the job, assigns a new "job-uri" and "job-id"
+   to the copy and resets the job progress attributes in the new copy
+   only.
+
+   The IPP object MUST accept or reject the request based on the job's
+   current state, transition the job to the indicated new state as
+   follows:
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 75]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+        Current "job-   New "job-state"    IPP object's response status
+           state"                                code and action:
+
+      'pending'        'pending'        'client-error-not-possible'
+      'pending-held'   'pending-held'   'client-error-not-possible'
+      'processing'     'processing'     'client-error-not-possible'
+      'processing-     'processing-     'client-error-not-possible'
+      stopped'         stopped'
+      'completed'      'pending' or     'successful-ok' - job is started
+                        'pending-held'   over.
+      'completed'      'completed'      'client-error-not-possible' -
+                                         see Rule 1
+      'canceled'       'pending' or     'successful-ok' - job is started
+                        'pending-held'   over.
+      'canceled'       'canceled'       'client-error-not-possible' -
+                                         see Rule 1
+      'aborted'        'pending' or     'successful-ok' - job is started
+                        'pending-held'   over.
+      'aborted'        'aborted'        'client-error-not-possible' -
+                                         see Rule 1
+
+   Rule 1:  If the Job Retention Period has expired for the job in this
+   state, then the IPP object rejects the operation.  See section
+   4.3.7.2.
+
+   Note:  In order to prevent a user from inadvertently restarting a job
+   in the middle, the Restart-Job request is rejected when the job is in
+   the 'processing' or 'processing-stopped' states.  If in the future an
+   operation is needed to hold or restart jobs while in these states, it
+   will be added as an additional operation, rather than overloading the
+   Restart-Job operation, so that it is clear that the user intended
+   that the current job not be completed.
+
+   Access Rights: The authenticated user (see section 8.3) performing
+   this operation must either be the job owner or an operator or
+   administrator of the Printer object (see Sections 1 and 8.5).
+   Otherwise, the IPP object MUST reject the operation and return:
+   'client-error-forbidden', 'client-error-not-authenticated', or
+   'client-error-not-authorized' as appropriate.
+
+3.3.7.1 Restart-Job Request
+
+   The groups and attributes are the same as for a Cancel-Job request
+   (see section 3.3.3.1), with the addition of the following Group 1
+   Operation attribute:
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 76]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      "job-hold-until" (type3 keyword | name(MAX)):
+         The client OPTIONALLY supplies this attribute.  The IPP object
+         MUST support this Operation attribute in a Restart-Job request,
+         if it supports the "job-hold-until" Job Template attribute in
+         create operations.  See section 4.2.2.  Otherwise, the IPP
+         object NEED NOT support the "job-hold-until" Operation
+         attribute in a Restart-Job request.
+
+         If supplied and supported as specified in the Printer's "job-
+         hold-until-supported" attribute, the IPP object copies the
+         supplied Operation attribute to the Job object, replacing the
+         job's previous "job-hold-until" attribute, if present, and
+         makes the job a candidate for scheduling during the supplied
+         named time period.  See section 4.2.2.
+
+         If supplied, but the value is not supported, the IPP object
+         accepts the request, returns the unsupported attribute or value
+         in the Unsupported Attributes Group according to section 3.1.7,
+         returns the 'successful-ok-ignored-or-substituted-attributes'
+         status code, and holds the job indefinitely until a client
+         performs a subsequent Release-Job operation.
+
+         If supplied, but the "job-hold-until" Operation attribute
+         itself is not supported, the IPP object accepts the request,
+         returns the unsupported attribute with the out-of-band
+         'unsupported' value in the Unsupported Attributes Group
+         according to section 3.1.7, returns the 'successful-ok-
+         ignored-or-substituted-attributes' status code, and restarts
+         the job, i.e., ignores the "job-hold-until" attribute.
+
+         If the client (1) supplies a value that specifies a time period
+         that has already started or the 'no-hold' value (meaning don't
+         hold the job) and (2) the IPP object supports the "job-hold-
+         until" operation attribute and there are no other reasons to
+         hold the job, the IPP object makes the job a candidate for
+         processing immediately (see Section 4.2.2).
+
+         If the client does not supply a "job-hold-until" operation
+         attribute in the request, the IPP object removes the "job-
+         hold-until" attribute, if present, from the job.  If there are
+         no other reasons to hold the job, the Restart-Job operation
+         makes the job a candidate for processing immediately (see
+         Section 4.2.2).
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 77]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+3.3.7.2 Restart-Job Response
+
+   The groups and attributes are the same as for a Cancel-Job response
+   (see section 3.3.3.2).
+
+   Note:  In the future an OPTIONAL Modify-Job or Set-Job-Attributes
+   operation may be specified that allows the client to modify other
+   attributes before releasing the restarted job.
+
+4. Object Attributes
+
+   This section describes the attributes with their corresponding
+   attribute syntaxes and values that are part of the IPP model.  The
+   sections below show the objects and their associated attributes which
+   are included within the scope of this protocol.  Many of these
+   attributes are derived from other relevant documents:
+
+      - Document Printing Application (DPA) [ISO10175]
+      - RFC 1759 Printer MIB [RFC1759]
+
+   Each attribute is uniquely identified in this document using a
+   "keyword" (see section 12.2.1) which is the name of the attribute.
+   The keyword is included in the section header describing that
+   attribute.
+
+   Note:  Not only are keywords used to identify attributes, but one of
+   the attribute syntaxes described below is "keyword" so that some
+   attributes have keyword values.  Therefore, these attributes are
+   defined as having an attribute syntax that is a set of keywords.
+
+4.1 Attribute Syntaxes
+
+   This section defines the basic attribute syntax types that all
+   clients and IPP objects MUST be able to accept in responses and
+   accept in requests, respectively.  Each attribute description in
+   sections 3 and 4 includes the name of attribute syntax(es) in the
+   heading (in parentheses).  A conforming implementation of an
+   attribute MUST include the semantics of the attribute syntax(es) so
+   identified.  Section 6.3 describes how the protocol can be extended
+   with new attribute syntaxes.
+
+   The attribute syntaxes are specified in the following sub-sections,
+   where the sub-section heading is the keyword name of the attribute
+   syntax inside the single quotes.  In operation requests and responses
+   each attribute value MUST be represented as one of the attribute
+   syntaxes specified in the sub-section heading for the attribute.  In
+   addition, the value of an attribute in a response (but not in a
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 78]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   request) MAY be one of the "out-of-band" values whose special
+   encoding rules are defined in the "Encoding and Transport" document
+   [RFC2910].   Standard "out-of-band" values are:
+
+      'unknown': The attribute is supported by the IPP object, but the
+         value is unknown to the IPP object for some reason.
+      'unsupported': The attribute is unsupported by the IPP object.
+         This value MUST be returned only as the value of an attribute
+         in the Unsupported Attributes Group.
+      'no-value': The attribute is supported by the Printer object, but
+         the administrator has not yet configured a value.
+
+   All attributes in a request MUST have one or more values as defined
+   in Sections 4.2 to 4.4.  Thus clients MUST NOT supply attributes with
+   "out-of-band" values for operations defined in this document.  All
+   attributes in a response MUST have one or more values as defined in
+   Sections 4.2 to 4.4 or a single "out-of-band" value.
+
+   Most attributes are defined to have a single attribute syntax.
+   However, a few attributes (e.g., "job-sheet", "media", "job-hold-
+   until") are defined to have several attribute syntaxes, depending on
+   the value.  These multiple attribute syntaxes are separated by the
+   "|" character in the sub-section heading to indicate the choice.
+   Since each value MUST be tagged as to its attribute syntax in the
+   protocol, a single-valued attribute instance may have any one of its
+   attribute syntaxes and a multi-valued attribute instance may have a
+   mixture of its defined attribute syntaxes.
+
+4.1.1 'text'
+
+   A text attribute is an attribute whose value is a sequence of zero or
+   more characters encoded in a maximum of 1023 ('MAX') octets.  MAX is
+   the maximum length for each value of any text attribute.  However, if
+   an attribute will always contain values whose maximum length is much
+   less than MAX, the definition of that attribute will include a
+   qualifier that defines the maximum length for values of that
+   attribute.  For example:  the "printer-location" attribute is
+   specified as "printer-location (text(127))".  In this case, text
+   values for "printer-location" MUST NOT exceed 127 octets; if supplied
+   with a longer text string via some external interface (other than the
+   protocol), implementations are free to truncate to this shorter
+   length limitation.
+
+   In this document, all text attributes are defined using the 'text'
+   syntax.  However, 'text' is used only for brevity; the formal
+   interpretation of 'text' is: 'textWithoutLanguage |
+   textWithLanguage'.  That is, for any attribute defined in this
+   document using the 'text' attribute syntax, all IPP objects and
+
+
+
+Hastings, et al.            Standards Track                    [Page 79]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   clients MUST support both the 'textWithoutLanguage' and
+   'textWithLanguage' attribute syntaxes.  However, in actual usage and
+   protocol execution, objects and clients accept and return only one of
+   the two syntax per attribute.  The syntax 'text' never appears "on-
+   the-wire".
+
+   Both 'textWithoutLanguage' and 'textWithLanguage' are needed to
+   support the real world needs of interoperability between sites and
+   systems that use different natural languages as the basis for human
+   communication.  Generally, one natural language applies to all text
+   attributes in a given request or response. The language is indicated
+   by the "attributes-natural-language" operation attribute defined in
+   section 3.1.4 or "attributes-natural-language" job attribute defined
+   in section 4.3.20, and there is no need to identify the natural
+   language for each text string on a value-by-value basis.  In these
+   cases, the attribute syntax 'textWithoutLanguage' is used for text
+   attributes.  In other cases, the client needs to supply or the
+   Printer object needs to return a text value in a natural language
+   that is different from the rest of the text values in the request or
+   response.  In these cases, the client or Printer object uses the
+   attribute syntax 'textWithLanguage' for text attributes (this is the
+   Natural Language Override mechanism described in section 3.1.4).
+
+   The 'textWithoutLanguage' and 'textWithLanguage' attribute syntaxes
+   are described in more detail in the following sections.
+
+4.1.1.1 'textWithoutLanguage'
+
+   The 'textWithoutLanguage' syntax indicates a value that is sequence
+   of zero or more characters encoded in a maximum of 1023 (MAX) octets.
+   Text strings are encoded using the rules of some charset.  The
+   Printer object MUST support the UTF-8 charset [RFC2279] and MAY
+   support additional charsets to represent 'text' values, provided that
+   the charsets are registered with IANA [IANA-CS].  See Section 4.1.7
+   for the definition of the 'charset' attribute syntax, including
+   restricted semantics and examples of charsets.
+
+4.1.1.2 'textWithLanguage'
+
+   The 'textWithLanguage' attribute syntax is a compound attribute
+   syntax consisting of two parts: a 'textWithoutLanguage' part encoded
+   in a maximum of 1023 (MAX) octets plus an additional
+   'naturalLanguage' (see section 4.1.8) part that overrides the natural
+   language in force.  The 'naturalLanguage' part explicitly identifies
+   the natural language that applies to the text part of that value and
+   that value alone.  For any give text attribute, the
+   'textWithoutLanguage' part is limited to the maximum length defined
+   for that 'text' attribute, and the 'naturalLanguage' part is always
+
+
+
+Hastings, et al.            Standards Track                    [Page 80]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   limited to 63 (additional) octets.  Using the 'textWithLanguage'
+   attribute syntax rather than the normal 'textWithoutLanguage' syntax
+   is the so-called Natural Language Override mechanism and MUST be
+   supported by all IPP objects and clients.
+
+   If the attribute is multi-valued (1setOf text), then the
+   'textWithLanguage' attribute syntax MUST be used to explicitly
+   specify each attribute value whose natural language needs to be
+   overridden.  Other values in a multi-valued 'text' attribute in a
+   request or a response revert to the natural language of the operation
+   attribute.
+
+   In a create request, the Printer object MUST accept and store with
+   the Job object any natural language in the "attributes-natural-
+   language" operation attribute, whether the Printer object supports
+   that natural language or not.  Furthermore, the Printer object MUST
+   accept and store any 'textWithLanguage' attribute value, whether the
+   Printer object supports that natural language or not.  These
+   requirements are independent of the value of the "ipp-attribute-
+   fidelity" operation attribute that the client MAY supply.
+
+   Example:  If the client supplies the "attributes-natural-language"
+   operation attribute with the value: 'en' indicating English, but the
+   value of the "job-name" attribute is in French, the client MUST use
+   the 'textWithLanguage' attribute syntax with the following two
+   values:
+
+      'fr': Natural Language Override indicating French
+      'Rapport Mensuel': the job name in French
+
+   See the "Encoding and Transport" document [RFC2910] section 3.9 for
+   the encoding of the two parts and Appendix A for a detailed example
+   of the 'textWithLanguage' attribute syntax.
+
+4.1.2 'name'
+
+   This syntax type is used for user-friendly strings, such as a Printer
+   name, that, for humans, are more meaningful than identifiers.  Names
+   are never translated from one natural language to another.  The
+   'name' attribute syntax is essentially the same as 'text', including
+   the REQUIRED support of UTF-8 except that the sequence of characters
+   is limited so that its encoded form MUST NOT exceed 255 (MAX) octets.
+
+   Also like 'text', 'name' is really an abbreviated notation for either
+   'nameWithoutLanguage' or 'nameWithLanguage'.  That is, all IPP
+   objects and clients MUST support both the 'nameWithoutLanguage' and
+   'nameWithLanguage' attribute syntaxes.  However, in actual usage and
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 81]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   protocol execution, objects and clients accept and return only one of
+   the two syntax per attribute.  The syntax 'name' never appears "on-
+   the-wire".
+
+   Only the 'text' and 'name' attribute syntaxes permit the Natural
+   Language Override mechanism.
+
+   Some attributes are defined as 'type3 keyword | name'.  These
+   attributes support values that are either type3 keywords or names.
+   This dual-syntax mechanism enables a site administrator to extend
+   these attributes to legally include values that are locally defined
+   by the site administrator.  Such names are not registered with IANA.
+
+4.1.2.1 'nameWithoutLanguage'
+
+   The 'nameWithoutLanguage' syntax indicates a value that is sequence
+   of zero or more characters encoded in a maximum of 255 (MAX) octets.
+
+4.1.2.2 'nameWithLanguage'
+
+   The 'nameWithLanguage' attribute syntax is a compound attribute
+   syntax consisting of two parts: a 'nameWithoutLanguage' part encoded
+   in a maximum of 1023 (MAX) octets plus an additional
+   'naturalLanguage' (see section 4.1.8) part that overrides the natural
+   language in force.  The 'naturalLanguage' part explicitly identifies
+   the natural language that applies to that name value and that name
+   value alone.  For any give text attribute, the 'textWithoutLanguage'
+   part is limited to the maximum length defined for that 'text'
+   attribute, and the 'naturalLanguage' part is always limited to 63
+   (additional) octets.  Using the 'textWithLanguage' attribute syntax
+   rather than the normal 'textWithoutLanguage' syntax is the so-called
+   Natural Language Override mechanism and MUST be supported by all IPP
+   objects and clients.
+
+   The 'nameWithLanguage' attribute syntax behaves the same as the
+   'textWithLanguage' syntax.  Using the 'textWithLanguage' attribute
+   syntax rather than the normal 'textWithoutLanguage' syntax is the
+   so-called Natural Language Override mechanism and MUST be supported
+   by all IPP objects and clients.  If a name is in a language that is
+   different than the rest of the object or operation, then this
+   'nameWithLanguage' syntax is used rather than the generic
+   'nameWithoutLanguage' syntax.
+
+   If the attribute is multi-valued (1setOf text), then the
+   'nameWithLanguage' attribute syntax MUST be used to explicitly
+   specify each attribute value whose natural language needs to be
+   overridden.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 82]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Other values in a multi-valued 'name' attribute in a request or a
+   response revert to the natural language of the operation attribute.
+
+   In a create request, the Printer object MUST accept and store with
+   the Job object any natural language in the "attributes-natural-
+   language" operation attribute, whether the Printer object supports
+   that natural language or not.  Furthermore, the Printer object MUST
+   accept and store any 'nameWithLanguage' attribute value, whether the
+   Printer object supports that natural language or not.  These
+   requirements are independent of the value of the "ipp-attribute-
+   fidelity" operation attribute that the client MAY supply.
+
+   Example:  If the client supplies the "attributes-natural-language"
+   operation attribute with the value:  'en' indicating English, but the
+   "printer-name" attribute is in German, the client MUST use the
+   'nameWithLanguage' attribute syntax as follows:
+
+      'de':  Natural Language Override indicating German
+      'Farbdrucker':  the Printer name in German
+
+   See the "Encoding and Transport" document [RFC2910] section 3.9 for
+   the encoding of the two parts and Appendix A for a detailed example
+   of the 'nameWithLanguage' attribute syntax.
+
+4.1.2.3 Matching 'name' attribute values
+
+   For purposes of matching two 'name' attribute values for equality,
+   such as in job validation (where a client-supplied value for
+   attribute "xxx" is checked to see if the value is among the values of
+   the Printer object's corresponding "xxx-supported" attribute), the
+   following match rules apply:
+
+      1. 'keyword' values never match 'name' values.
+
+      2. 'name' (nameWithoutLanguage and nameWithLanguage) values match
+         if (1) the name parts match and (2) the Associated Natural-
+         Language parts (see section 3.1.4.1) match.  The matching rules
+         are:
+
+         a. the name parts match if the two names are identical
+            character by character, except it is RECOMMENDED that case
+            be ignored.  For example: 'Ajax-letter-head-white' MUST
+            match 'Ajax-letter-head-white' and SHOULD match 'ajax-
+            letter-head-white' and 'AJAX-LETTER-HEAD-WHITE'.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 83]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         b. the Associated Natural-Language parts match if the shorter
+            of the two meets the syntactic requirements of RFC 1766
+            [RFC1766] and matches byte for byte with the longer.  For
+            example, 'en' matches 'en', 'en-us' and 'en-gb', but matches
+            neither 'fr' nor 'e'.
+
+4.1.3 'keyword'
+
+   The 'keyword' attribute syntax is a sequence of characters, length: 1
+   to 255, containing only the US-ASCII [ASCII] encoded values for
+   lowercase letters ("a" - "z"), digits ("0" - "9"), hyphen ("-"), dot
+   ("."), and underscore ("_").  The first character MUST be a lowercase
+   letter.  Furthermore, keywords MUST be in U.S. English.
+
+   This syntax type is used for enumerating semantic identifiers of
+   entities in the abstract protocol, i.e., entities identified in this
+   document.  Keywords are used as attribute names or values of
+   attributes.  Unlike 'text' and 'name' attribute values, 'keyword'
+   values MUST NOT use the Natural Language Override mechanism, since
+   they MUST always be US-ASCII and U.S. English.
+
+   Keywords are for use in the protocol.  A user interface will likely
+   provide a mapping between protocol keywords and displayable user-
+   friendly words and phrases which are localized to the natural
+   language of the user.  While the keywords specified in this document
+   MAY be displayed to users whose natural language is U.S. English,
+   they MAY be mapped to other U.S. English words for U.S. English
+   users, since the user interface is outside the scope of this
+   document.
+
+   In the definition for each attribute of this syntax type, the full
+   set of defined keyword values for that attribute are listed.
+
+   When a keyword is used to represent an attribute (its name), it MUST
+   be unique within the full scope of all IPP objects and attributes.
+   When a keyword is used to represent a value of an attribute, it MUST
+   be unique just within the scope of that attribute.  That is, the same
+   keyword MUST NOT be used for two different values within the same
+   attribute to mean two different semantic ideas.  However, the same
+   keyword MAY be used across two or more attributes, representing
+   different semantic ideas for each attribute.  Section 6.1 describes
+   how the protocol can be extended with new keyword values.  Examples
+   of attribute name keywords:
+
+      "job-name"
+      "attributes-charset"
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 84]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Note:  This document uses "type1", "type2", and "type3" prefixes to
+   the "keyword" basic syntax to indicate different levels of review for
+   extensions (see section 6.1).
+
+4.1.4 'enum'
+
+   The 'enum' attribute syntax is an enumerated integer value that is in
+   the range from 1 to 2**31 - 1 (MAX).   Each value has an associated
+   'keyword' name.  In the definition for each attribute of this syntax
+   type, the full set of possible values for that attribute are listed.
+   This syntax type is used for attributes for which there are enum
+   values assigned by other standards, such as SNMP MIBs.  A number of
+   attribute enum values in this document are also used for
+   corresponding attributes in other standards [RFC1759].  This syntax
+   type is not used for attributes to which the administrator may assign
+   values.  Section 6.1 describes how the protocol can be extended with
+   new enum values.
+
+   Enum values are for use in the protocol.  A user interface will
+   provide a mapping between protocol enum values and displayable user-
+   friendly words and phrases which are localized to the natural
+   language of the user.  While the enum symbols specified in this
+   document MAY be displayed to users whose natural language is U.S.
+   English, they MAY be mapped to other U.S. English words for U.S.
+   English users, since the user interface is outside the scope of this
+   document.
+
+   Note: SNMP MIBs use '2' for 'unknown' which corresponds to the IPP
+   "out-of-band" value 'unknown'.  See the description of the "out-of-
+   band" values at the beginning of Section 4.1.  Therefore, attributes
+   of type 'enum' start at '3'.
+
+   Note:  This document uses "type1", "type2", and "type3" prefixes to
+   the "enum" basic syntax to indicate different levels of review for
+   extensions (see section 6.1).
+
+4.1.5 'uri'
+
+   The 'uri' attribute syntax is any valid Uniform Resource Identifier
+   or URI [RFC2396].  Most often, URIs are simply Uniform Resource
+   Locators or URLs.  The maximum length of URIs used as values of IPP
+   attributes is 1023 octets.  Although most other IPP attribute syntax
+   types allow for only lower-cased values, this attribute syntax type
+   conforms to the case-sensitive and case-insensitive rules specified
+   in [RFC2396].  See also [IPP-IIG] for a discussion of case in URIs.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 85]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.1.6 'uriScheme'
+
+   The 'uriScheme' attribute syntax is a sequence of characters
+   representing a URI scheme according to RFC 2396 [RFC2396].  Though
+   RFC 2396 requires that the values be case-insensitive, IPP requires
+   all lower case values in IPP attributes to simplify comparing by IPP
+   clients and Printer objects.
+
+   Standard values for this syntax type are the following keywords:
+
+      'ipp':  for IPP schemed URIs (e.g., "ipp:...")
+      'http':  for HTTP schemed URIs (e.g., "http:...")
+      'https':  for use with HTTPS schemed URIs (e.g., "https:...") (not
+         on IETF standards track)
+      'ftp': for FTP schemed URIs (e.g., "ftp:...")
+      'mailto': for SMTP schemed URIs (e.g., "mailto:...")
+      'file': for file schemed URIs (e.g., "file:...")
+
+   A Printer object MAY support any URI 'scheme' that has been
+   registered with IANA [IANA-MT]. The maximum length of URI 'scheme'
+   values used to represent IPP attribute values is 63 octets.
+
+4.1.7 'charset'
+
+   The 'charset' attribute syntax is a standard identifier for a
+   charset.  A charset is a coded character set and encoding scheme.
+   Charsets are used for labeling certain document contents and 'text'
+   and 'name' attribute values.  The syntax and semantics of this
+   attribute syntax are specified in RFC 2046 [RFC2046] and contained in
+   the IANA character-set Registry [IANA-CS] according to the IANA
+   procedures [RFC2278].  Though RFC 2046 requires that the values be
+   case-insensitive US-ASCII [ASCII], IPP requires all lower case values
+   in IPP attributes to simplify comparing by IPP clients and Printer
+   objects.  When a character-set in the IANA registry has more than one
+   name (alias), the name labeled as "(preferred MIME name)", if
+   present, MUST be used.
+
+   The maximum length of 'charset' values used to represent IPP
+   attribute values is 63 octets.
+
+   Some examples are:
+
+      'utf-8':  ISO 10646 Universal Multiple-Octet Coded Character Set
+         (UCS) represented as the UTF-8 [RFC2279] transfer encoding
+         scheme in which US-ASCII is a subset charset.
+      'us-ascii':  7-bit American Standard Code for Information
+         Interchange (ASCII), ANSI X3.4-1986 [ASCII].  That standard
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 86]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         defines US-ASCII, but RFC 2045 [RFC2045] eliminates most of the
+         control characters from conformant usage in MIME and IPP.
+      'iso-8859-1':  8-bit One-Byte Coded Character Set, Latin Alphabet
+         Nr 1 [ISO8859-1].  That standard defines a coded character set
+         that is used by Latin languages in the Western Hemisphere and
+         Western Europe.  US-ASCII is a subset charset.
+
+   Some attribute descriptions MAY place additional requirements on
+   charset values that may be used, such as REQUIRED values that MUST be
+   supported or additional restrictions, such as requiring that the
+   charset have US- ASCII as a subset charset.
+
+4.1.8 'naturalLanguage'
+
+   The 'naturalLanguage' attribute syntax is a standard identifier for a
+   natural language and optionally a country.  The values for this
+   syntax type are defined by RFC 1766 [RFC1766].  Though RFC 1766
+   requires that the values be case-insensitive US-ASCII [ASCII], IPP
+   requires all lower case to simplify comparing by IPP clients and
+   Printer objects.  Examples include:
+
+      'en':  for English
+      'en-us': for US English
+      'fr': for French
+      'de':  for German
+
+   The maximum length of 'naturalLanguage' values used to represent IPP
+   attribute values is 63 octets.
+
+4.1.9 'mimeMediaType'
+
+   The 'mimeMediaType' attribute syntax is the Internet Media Type
+   (sometimes called MIME type) as defined by RFC 2046 [RFC2046] and
+   registered according to the procedures of RFC 2048 [RFC2048] for
+   identifying a document format.  The value MAY include a charset, or
+   other, parameter, depending on the specification of the Media Type in
+   the IANA Registry [IANA-MT].  Although most other IPP syntax types
+   allow for only lower-cased values, this syntax type allows for
+   mixed-case values which are case-insensitive.
+
+   Examples are:
+      'text/html': An HTML document
+      'text/plain': A plain text document in US-ASCII (RFC 2046
+         indicates that in the absence of the charset parameter MUST
+         mean US-ASCII rather than simply unspecified) [RFC2046].
+      'text/plain; charset=US-ASCII':  A plain text document in US-ASCII
+         [52, 56].
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 87]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      'text/plain; charset=ISO-8859-1':  A plain text document in ISO
+         8859-1 (Latin 1) [ISO8859-1].
+      'text/plain; charset=utf-8':  A plain text document in ISO 10646
+         represented as UTF-8 [RFC2279]
+      'application/postscript':  A PostScript document [RFC2046]
+      'application/vnd.hp-PCL':  A PCL document [IANA-MT] (charset
+         escape sequence embedded in the document data)
+      'application/pdf':  Portable Document Format - see IANA MIME Media
+         Type registry
+      'application/octet-stream': Auto-sense - see section 4.1.9.1
+
+   The maximum length of a 'mimeMediaType' value to represent IPP
+   attribute values is 255 octets.
+
+4.1.9.1 Application/octet-stream -- Auto-Sensing the document format
+
+   One special type is 'application/octet-stream'.  If the Printer
+   object supports this value, the Printer object MUST be capable of
+   auto-sensing the format of the document data using an
+   implementation-dependent method that examines some number of octets
+   of the document data, either as part of the create operation and/or
+   at document processing time.  During auto-sensing, a Printer may
+   determine that the document-data has a format that the Printer
+   doesn't recognize.  If the Printer determines this problem before
+   returning an operation response, it rejects the request and returns
+   the 'client-error-document-format-not-supported' status code.  If the
+   Printer determines this problem after accepting the request and
+   returning an operation response with one of the successful status
+   codes, the Printer adds the 'unsupported-document-format' value to
+   the job's "job-state-reasons" attribute.
+
+   If the Printer object's default value attribute "document-format-
+   default" is set to 'application/octet-stream', the Printer object not
+   only supports auto-sensing of the document format, but will depend on
+   the result of applying its auto-sensing when the client does not
+   supply the "document-format" attribute.  If the client supplies a
+   document format value, the Printer MUST rely on the supplied
+   attribute, rather than trust its auto-sensing algorithm.  To
+   summarize:
+
+      1. If the client does not supply a document format value, the
+         Printer MUST rely on its default value setting (which may be
+         'application/octet-stream' indicating an auto-sensing
+         mechanism).
+      2. If the client supplies a value other than 'application/octet-
+         stream', the client is supplying valid information about the
+         format of the document data and the Printer object MUST trust
+         the client supplied value more than the outcome of applying an
+
+
+
+Hastings, et al.            Standards Track                    [Page 88]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         automatic format detection mechanism.  For example, the client
+         may be requesting the printing of a PostScript file as a
+         'text/plain' document.  The Printer object MUST print a text
+         representation of the PostScript commands rather than interpret
+         the stream of PostScript commands and print the result.
+      3. If the client supplies a value of 'application/octet-stream',
+         the client is indicating that the Printer object MUST use its
+         auto-sensing mechanism on the client supplied document data
+         whether auto-sensing is the Printer object's default or not.
+
+   Note:  Since the auto-sensing algorithm is probabilistic, if the
+   client requests both auto-sensing ("document-format" set to
+   'application/octet-stream') and true fidelity ("ipp-attribute-
+   fidelity" set to 'true'), the Printer object might not be able to
+   guarantee exactly what the end user intended (the auto-sensing
+   algorithm might mistake one document format for another), but it is
+   able to guarantee that its auto-sensing mechanism be used.
+
+   When a Printer performs auto-sensing of a document in a submitted
+   job, it is RECOMMENDED that the Printer indicate to the user that
+   such auto-sensing has occurred and which document-format was auto-
+   sensed by printing that information on the job's job-start-sheet.
+
+4.1.10 'octetString'
+
+   The 'octetString' attribute syntax is a sequence of octets encoded in
+   a maximum of 1023 octets which is indicated in sub-section headers
+   using the notation: octetString(MAX).  This syntax type is used for
+   opaque data.
+
+4.1.11 'boolean'
+
+   The 'boolean' attribute syntax has only two values:  'true' and
+   'false'.
+
+4.1.12 'integer'
+
+   The 'integer' attribute syntax is an integer value that is in the
+   range from -2**31 (MIN) to 2**31 - 1 (MAX).  Each individual
+   attribute may specify the range constraint explicitly in sub-section
+   headers if the range is different from the full range of possible
+   integer values.  For example:  job-priority (integer(1:100)) for the
+   "job-priority" attribute.  However, the enforcement of that
+   additional constraint is up to the IPP objects, not the protocol.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 89]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.1.13 'rangeOfInteger'
+
+   The 'rangeOfInteger' attribute syntax is an ordered pair of integers
+   that defines an inclusive range of integer values.  The first integer
+   specifies the lower bound and the second specifies the upper bound.
+   If a range constraint is specified in the header description for an
+   attribute in this document whose attribute syntax is 'rangeOfInteger'
+   (i.e., 'X:Y' indicating X as a minimum value and Y as a maximum
+   value), then the constraint applies to both integers.
+
+4.1.14 'dateTime'
+
+   The 'dateTime' attribute syntax is a standard, fixed length, 11 octet
+   representation of the "DateAndTime" syntax as defined in RFC 2579
+   [RFC2579].  RFC 2579 also identifies an 8 octet representation of a
+   "DateAndTime" value, but IPP objects MUST use the 11 octet
+   representation.  A user interface will provide a mapping between
+   protocol dateTime values and displayable user-friendly words or
+   presentation values and phrases which are localized to the natural
+   language and date format of the user, including time zone.
+
+4.1.15 'resolution'
+
+   The 'resolution' attribute syntax specifies a two-dimensional
+   resolution in the indicated units.  It consists of 3 values: a cross
+   feed direction resolution (positive integer value), a feed direction
+   resolution (positive integer value), and a units value.  The
+   semantics of these three components are taken from the Printer MIB
+   [RFC1759] suggested values.  That is, the cross feed direction
+   component resolution component is the same as the
+   prtMarkerAddressabilityXFeedDir object in the Printer MIB, the feed
+   direction component resolution component is the same as the
+   prtMarkerAddressabilityFeedDir in the Printer MIB, and the units
+   component is the same as the prtMarkerAddressabilityUnit object in
+   the Printer MIB (namely, '3' indicates dots per inch and '4'
+   indicates dots per centimeter).  All three values MUST be present
+   even if the first two values are the same.  Example:  '300', '600',
+   '3' indicates a 300 dpi cross-feed direction resolution, a 600 dpi
+   feed direction resolution, since a '3' indicates dots per inch (dpi).
+
+4.1.16 '1setOf  X'
+
+   The '1setOf  X' attribute syntax is 1 or more values of attribute
+   syntax type X.  This syntax type is used for multi-valued attributes.
+   The syntax type is called '1setOf' rather than just 'setOf' as a
+   reminder that the set of values MUST NOT be empty (i.e., a set of
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 90]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   size 0).  Sets are normally unordered.  However each attribute
+   description of this type may specify that the values MUST be in a
+   certain order for that attribute.
+
+4.2 Job Template Attributes
+
+   Job Template attributes describe job processing behavior.  Support
+   for Job Template attributes by a Printer object is OPTIONAL (see
+   section 12.2.3 for a description of support for OPTIONAL attributes).
+   Also, clients OPTIONALLY supply Job Template attributes in create
+   requests.
+
+   Job Template attributes conform to the following rules.  For each Job
+   Template attribute called "xxx":
+
+      1. If the Printer object supports "xxx" then it MUST support both
+         a "xxx-default" attribute (unless there is a "No" in the table
+         below) and a "xxx-supported" attribute.  If the Printer object
+         doesn't support "xxx", then it MUST support neither an "xxx-
+         default" attribute nor an "xxx-supported" attribute, and it
+         MUST treat an attribute "xxx" supplied by a client as
+         unsupported.  An attribute "xxx" may be supported for some
+         document formats and not supported for other document formats.
+         For example, it is expected that a Printer object would only
+         support "orientation-requested" for some document formats (such
+         as 'text/plain' or 'text/html') but not others (such as
+         'application/postscript').
+
+      2. "xxx" is OPTIONALLY supplied by the client in a create request.
+         If "xxx" is supplied, the client is indicating a desired job
+         processing behavior for this Job.  When "xxx" is not supplied,
+         the client is indicating that the Printer object apply its
+         default job processing behavior at job processing time if the
+         document content does not contain an embedded instruction
+         indicating an xxx-related behavior.
+
+         Since an administrator MAY change the default value attribute
+         after a Job object has been submitted but before it has been
+         processed, the default value used by the Printer object at job
+         processing time may be different that the default value in
+         effect at job submission time.
+
+      3. The "xxx-supported" attribute is a Printer object attribute
+         that describes which job processing behaviors are supported by
+         that Printer object.  A client can query the Printer object to
+         find out what xxx-related behaviors are supported by inspecting
+         the returned values of the "xxx-supported" attribute.
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 91]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         Note: The "xxx" in each "xxx-supported" attribute name is
+         singular, even though an "xxx-supported" attribute usually has
+         more than one value, such as "job-sheet-supported", unless the
+         "xxx" Job Template attribute is plural, such as "finishings" or
+         "sides".  In such cases the "xxx-supported" attribute names
+         are: "finishings- supported" and "sides-supported".
+
+      4. The "xxx-default" default value attribute describes what will
+         be done at job processing time when no other job processing
+         information is supplied by the client (either explicitly as an
+         IPP attribute in the create request or implicitly as an
+         embedded instruction within the document data).
+
+   If an application wishes to present an end user with a list of
+   supported values from which to choose, the application SHOULD query
+   the Printer object for its supported value attributes.  The
+   application SHOULD also query the default value attributes.  If the
+   application then limits selectable values to only those value that
+   are supported, the application can guarantee that the values supplied
+   by the client in the create request all fall within the set of
+   supported values at the Printer.  When querying the Printer, the
+   client MAY enumerate each attribute by name in the Get-Printer-
+   Attributes Request, or the client MAY just name the "job-template"
+   group in order to get the complete set of supported attributes (both
+   supported and default attributes).
+
+   The "finishings" attribute is an example of a Job Template attribute.
+   It can take on a set of values such as 'staple', 'punch', and/or
+   'cover'.  A client can query the Printer object for the "finishings-
+   supported" attribute and the "finishings-default" attribute.  The
+   supported attribute contains a set of supported values.  The default
+   value attribute contains the finishing value(s) that will be used for
+   a new Job if the client does not supply a "finishings" attribute in
+   the create request and the document data does not contain any
+   corresponding finishing instructions.  If the client does supply the
+   "finishings" attribute in the create request, the IPP object
+   validates the value or values to make sure that they are a subset of
+   the supported values identified in the Printer object's "finishings-
+   supported" attribute.  See section 3.1.7.
+
+   The table below summarizes the names and relationships for all Job
+   Template attributes. The first column of the table (labeled "Job
+   Attribute") shows the name and syntax for each Job Template attribute
+   in the Job object. These are the attributes that can optionally be
+   supplied by the client in a create request.   The last two columns
+   (labeled "Printer: Default Value Attribute" and "Printer: Supported
+   Values Attribute") show the name and syntax for each Job Template
+   attribute in the Printer object (the default value attribute and the
+
+
+
+Hastings, et al.            Standards Track                    [Page 92]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   supported values attribute).  A "No" in the table means the Printer
+   MUST NOT support the attribute (that is, the attribute is simply not
+   applicable).  For brevity in the table, the 'text' and 'name' entries
+   do not show the maximum length for each attribute.
+
+     +===================+======================+======================+
+     | Job Attribute     |Printer: Default Value|  Printer: Supported  |
+     |                   |   Attribute          |   Values Attribute   |
+     +===================+======================+======================+
+     | job-priority      | job-priority-default |job-priority-supported|
+     | (integer 1:100)   | (integer 1:100)      |(integer 1:100)       |
+     +-------------------+----------------------+----------------------+
+     | job-hold-until    | job-hold-until-      |job-hold-until-       |
+     | (type3 keyword |  |  default             | supported            |
+     |    name)          |  (type3 keyword |    |(1setOf (             |
+     |                   |    name)             |type3 keyword | name))|
+     +-------------------+----------------------+----------------------+
+     | job-sheets        | job-sheets-default   |job-sheets-supported  |
+     | (type3 keyword |  | (type3 keyword |     |(1setOf (             |
+     |    name)          |    name)             |type3 keyword | name))|
+     +-------------------+----------------------+----------------------+
+     |multiple-document- |multiple-document-    |multiple-document-    |
+     | handling          | handling-default     |handling-supported    |
+     | (type2 keyword)   | (type2 keyword)      |(1setOf type2 keyword)|
+     +-------------------+----------------------+----------------------+
+     | copies            | copies-default       | copies-supported     |
+     | (integer (1:MAX)) | (integer (1:MAX))    | (rangeOfInteger      |
+     |                   |                      |       (1:MAX))       |
+     +-------------------+----------------------+----------------------+
+     | finishings        | finishings-default   | finishings-supported |
+     |(1setOf type2 enum)|(1setOf type2 enum)   |(1setOf type2 enum)   |
+     +-------------------+----------------------+----------------------+
+     | page-ranges       | No                   | page-ranges-         |
+     | (1setOf           |                      | supported (boolean)  |
+     |   rangeOfInteger  |                      |                      |
+     |        (1:MAX))   |                      |                      |
+     +-------------------+----------------------+----------------------+
+     | sides             | sides-default        | sides-supported      |
+     | (type2 keyword)   | (type2 keyword)      |(1setOf type2 keyword)|
+     +-------------------+----------------------+----------------------+
+     | number-up         | number-up-default    | number-up-supported  |
+     | (integer (1:MAX)) | (integer (1:MAX))    |(1setOf (integer      |
+     |                   |                      | (1:MAX) |            |
+     |                   |                      |  rangeOfInteger      |
+     |                   |                      |   (1:MAX)))          |
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 93]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+     +-------------------+----------------------+----------------------+
+     | orientation-      |orientation-requested-|orientation-requested-|
+     |  requested        |  default             |  supported           |
+     |   (type2 enum)    |  (type2 enum)        |  (1setOf type2 enum) |
+     +-------------------+----------------------+----------------------+
+     | media             | media-default        | media-supported      |
+     | (type3 keyword |  | (type3 keyword |     |(1setOf (             |
+     |    name)          |    name)             |type3 keyword | name))|
+     |                   |                      |                      |
+     |                   |                      | media-ready          |
+     |                   |                      |(1setOf (             |
+     |                   |                      |type3 keyword | name))|
+     +-------------------+----------------------+----------------------+
+     | printer-resolution| printer-resolution-  | printer-resolution-  |
+     | (resolution)      |  default             | supported            |
+     |                   | (resolution)         |(1setOf resolution)   |
+     +-------------------+----------------------+----------------------+
+     | print-quality     | print-quality-default| print-quality-       |
+     | (type2 enum)      | (type2 enum)         | supported            |
+     |                   |                      |(1setOf type2 enum)   |
+     +-------------------+----------------------+----------------------+
+
+4.2.1 job-priority (integer(1:100))
+
+   This attribute specifies a priority for scheduling the Job. A higher
+   value specifies a higher priority. The value 1 indicates the lowest
+   possible priority. The value 100 indicates the highest possible
+   priority.  Among those jobs that are ready to print, a Printer MUST
+   print all jobs with a priority value of n before printing those with
+   a priority value of n-1 for all n.
+
+   If the Printer object supports this attribute, it MUST always support
+   the full range from 1 to 100.  No administrative restrictions are
+   permitted.  This way an end-user can always make full use of the
+   entire range with any Printer object.  If privileged jobs are
+   implemented outside IPP/1.1, they MUST have priorities higher than
+   100, rather than restricting the range available to end-users.
+
+   If the client does not supply this attribute and this attribute is
+   supported by the Printer object, the Printer object MUST use the
+   value of the Printer object's "job-priority-default" at job
+   submission time (unlike most Job Template attributes that are used if
+   necessary at job processing time).
+
+   The syntax for the "job-priority-supported" is also integer(1:100).
+   This single integer value indicates the number of priority levels
+   supported.  The Printer object MUST take the value supplied by the
+   client and map it to the closest integer in a sequence of n integers
+
+
+
+Hastings, et al.            Standards Track                    [Page 94]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   values that are evenly distributed over the range from 1 to 100 using
+   the formula:
+
+      roundToNearestInt((100x+50)/n)
+
+   where n is the value of "job-priority-supported" and x ranges from 0
+   through n-1.
+
+   For example, if n=1 the sequence of values is 50;  if n=2, the
+   sequence of values is:  25 and 75;  if n = 3, the sequence of values
+   is:  17, 50 and 83;  if n = 10, the sequence of values is: 5, 15, 25,
+   35, 45, 55, 65, 75, 85, and 95;  if n = 100, the sequence of values
+   is:  1, 2, 3, ... 100.
+
+   If the value of the Printer object's "job-priority-supported" is 10
+   and the client supplies values in the range 1 to 10, the Printer
+   object maps them to 5, in the range 11 to 20, the Printer object maps
+   them to 15, etc.
+
+4.2.2 job-hold-until (type3 keyword | name (MAX))
+
+   This attribute specifies the named time period during which the Job
+   MUST become a candidate for printing.
+
+   Standard keyword values for named time periods are:
+
+      'no-hold': immediately, if there are not other reasons to hold the
+         job
+      'indefinite':  - the job is held indefinitely, until a client
+         performs a Release-Job (section 3.3.6)
+      'day-time': during the day
+      'evening': evening
+      'night': night
+      'weekend': weekend
+      'second-shift': second-shift (after close of business)
+      'third-shift': third-shift (after midnight)
+
+   An administrator MUST associate allowable print times with a named
+   time period (by means outside the scope of this IPP/1.1 document).
+   An administrator is encouraged to pick names that suggest the type of
+   time period. An administrator MAY define additional values using the
+   'name' or 'keyword' attribute syntax, depending on implementation.
+
+   If the value of this attribute specifies a time period that is in the
+   future, the Printer SHOULD add the 'job-hold-until-specified' value
+   to the job's "job-state-reasons" attribute, MUST move the job to the
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 95]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   'pending-held' state, and MUST NOT schedule the job for printing
+   until the specified time-period arrives.
+
+   When the specified time period arrives, the Printer MUST remove the
+   'job-hold-until-specified' value from the job's "job-state-reason"
+   attribute, if present.  If there are no other job state reasons that
+   keep the job in the 'pending-held' state, the Printer MUST consider
+   the job as a candidate for processing by moving the job to the
+   'pending' state.
+
+   If this job attribute value is the named value 'no-hold', or the
+   specified time period has already started, the job MUST be a
+   candidate for processing immediately.
+
+   If the client does not supply this attribute and this attribute is
+   supported by the Printer object, the Printer object MUST use the
+   value of the Printer object's "job-hold-until-default" at job
+   submission time (unlike most Job Template attributes that are used if
+   necessary at job processing time).
+
+4.2.3 job-sheets (type3 keyword | name(MAX))
+
+   This attribute determines which job start/end sheet(s), if any, MUST
+   be printed with a job.
+
+   Standard keyword values are:
+
+      'none': no job sheet is printed
+      'standard': one or more site specific standard job sheets are
+         printed, e.g. a single start sheet or both start and end sheet is
+         printed
+
+   An administrator MAY define additional values using the 'name' or
+   'keyword' attribute syntax, depending on implementation.
+
+   The effect of this attribute on jobs with multiple documents MAY be
+   affected by the "multiple-document-handling" job attribute (section
+   4.2.4), depending on the job sheet semantics.
+
+4.2.4 multiple-document-handling (type2 keyword)
+
+   This attribute is relevant only if a job consists of two or more
+   documents. This attribute MUST be supported with at least one value
+   if the Printer supports multiple documents per job (see sections
+   3.2.4 and 3.3.1).  The attribute controls finishing operations and
+   the placement of one or more print-stream pages into impressions and
+   onto media sheets.  When the value of the "copies" attribute exceeds
+   1, it also controls the order in which the copies that result from
+
+
+
+Hastings, et al.            Standards Track                    [Page 96]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   processing the documents are produced. For the purposes of this
+   explanations, if "a" represents an instance of document data, then
+   the result of processing the data in document "a" is a sequence of
+   media sheets represented by "a(*)".
+
+   Standard keyword values are:
+
+      'single-document': If a Job object has multiple documents, say,
+         the document data is called a and b, then the result of
+         processing all the document data (a and then b) MUST be treated
+         as a single sequence of media sheets for finishing operations;
+         that is, finishing would be performed on the concatenation of
+         the sequences a(*),b(*).  The Printer object MUST NOT force the
+         data in each document instance to be formatted onto a new
+         print-stream page, nor to start a new impression on a new media
+         sheet. If more than one copy is made, the ordering of the sets
+         of media sheets resulting from processing the document data
+         MUST be a(*), b(*), a(*), b(*), start on a new media sheet.
+      'separate-documents-uncollated-copies': If a Job object has
+         multiple documents, say, the document data is called a and b,
+         then the result of processing the data in each document
+         instance MUST be treated as a single sequence of media sheets
+         for finishing operations; that is, the sets a(*) and b(*) would
+         each be finished separately. The Printer object MUST force each
+         copy of the result of processing the data in a single document
+         to start on a new media sheet. If more than one copy is made,
+         the ordering of the sets of media sheets resulting from
+         processing the document data MUST be a(*), a(*), ..., b(*),
+         b(*) ... .
+      'separate-documents-collated-copies': If a Job object has multiple
+         documents, say, the document data is called a and b, then the
+         result of processing the data in each document instance MUST be
+         treated as a single sequence of media sheets for finishing
+         operations; that is, the sets a(*) and b(*) would each be
+         finished separately. The Printer object MUST force each copy of
+         the result of processing the data in a single document to start
+         on a new media sheet.  If more than one copy is made, the
+         ordering of the sets of media sheets resulting from processing
+         the document data MUST be a(*), b(*), a(*), b(*), ... .
+      'single-document-new-sheet':  Same as 'single-document', except
+         that the Printer object MUST ensure that the first impression
+         of each document instance in the job is placed on a new media
+         sheet.  This value allows multiple documents to be stapled
+         together with a single staple where each document starts on a
+         new sheet.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 97]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The 'single-document' value is the same as 'separate-documents-
+   collated-copies' with respect to ordering of print-stream pages, but
+   not media sheet generation, since 'single-document' will put the
+   first page of the next document on the back side of a sheet if an odd
+   number of pages have been produced so far for the job, while
+   'separate-documents-collated- copies' always forces the next document
+   or document copy on to a new sheet.  In addition, if the "finishings"
+   attribute specifies 'staple', then with 'single-document', documents
+   a and b are stapled together as a single document with no regard to
+   new sheets, with 'single-document-new-sheet', documents a and b are
+   stapled together as a single document, but document b starts on a new
+   sheet, but with 'separate-documents-uncollated-copies' and
+   'separate-documents-collated-copies', documents a and b are stapled
+   separately.
+
+   Note: None of these values provide means to produce uncollated sheets
+   within a document, i.e., where multiple copies of sheet n are
+   produced before sheet n+1 of the same document.
+
+   The relationship of this attribute and the other attributes that
+   control document processing is described in section 15.3.
+
+4.2.5 copies (integer(1:MAX))
+
+   This attribute specifies the number of copies to be printed.
+
+   On many devices the supported number of collated copies will be
+   limited by the number of physical output bins on the device, and may
+   be different from the number of uncollated copies which can be
+   supported.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.6 finishings (1setOf type2 enum)
+
+   This attribute identifies the finishing operations that the Printer
+   uses for each copy of each printed document in the Job. For Jobs with
+   multiple documents, the "multiple-document-handling" attribute
+   determines what constitutes a "copy" for purposes of finishing.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 98]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Standard enum values are:
+
+   Value  Symbolic Name and Description
+
+   '3'    'none':  Perform no finishing
+   '4'    'staple':  Bind the document(s) with one or more staples. The
+             exact number and placement of the staples is site-
+             defined.
+   '5'    'punch':  This value indicates that holes are required in the
+             finished document. The exact number and placement of the
+             holes is site-defined  The punch specification MAY be
+             satisfied (in a site- and implementation-specific manner)
+             either by drilling/punching, or by substituting pre-
+             drilled media.
+   '6'    'cover':  This value is specified when it is desired to select
+             a non-printed (or pre-printed) cover for the document.
+             This does not supplant the specification of a printed
+             cover (on cover stock medium) by the document itself.
+   '7'    'bind':  This value indicates that a binding is to be applied
+             to the document; the type and placement of the binding is
+             site-defined.
+   '8'    'saddle-stitch':  Bind the document(s) with one or more
+             staples (wire stitches) along the middle fold.  The exact
+             number and placement of the staples and the middle fold
+             is implementation and/or site-defined.
+   '9'    'edge-stitch':  Bind the document(s) with one or more staples
+             (wire stitches) along one edge.  The exact number and
+             placement of the staples is implementation and/or site-
+             defined.
+   '10'-'19'   reserved for future generic finishing enum values.
+
+   The following values are more specific; they indicate a corner or an
+   edge as if the document were a portrait document (see below):
+
+   '20'   'staple-top-left':  Bind the document(s) with one or more
+             staples in the top left corner.
+   '21'   'staple-bottom-left':  Bind the document(s) with one or more
+             staples in the bottom left corner.
+   '22'   'staple-top-right':  Bind the document(s) with one or more
+             staples in the top right corner.
+   '23'   'staple-bottom-right':  Bind the document(s) with one or more
+             staples in the bottom right corner.
+   '24'   'edge-stitch-left':  Bind the document(s) with one or more
+             staples (wire stitches) along the left edge.  The exact
+             number and placement of the staples is implementation
+             and/or site-defined.
+
+
+
+
+
+Hastings, et al.            Standards Track                    [Page 99]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   '25'   'edge-stitch-top':  Bind the document(s) with one or more
+             staples (wire stitches) along the top edge.  The exact
+             number and placement of the staples is implementation
+             and/or site-defined.
+   '26'   'edge-stitch-right':  Bind the document(s) with one or more
+             staples (wire stitches) along the right edge.  The exact
+             number and placement of the staples is implementation
+             and/or site-defined.
+   '27'   'edge-stitch-bottom':  Bind the document(s) with one or more
+             staples (wire stitches) along the bottom edge.  The exact
+             number and placement of the staples is implementation
+             and/or site-defined.
+   '28'   'staple-dual-left':  Bind the document(s) with two staples
+             (wire stitches) along the left edge assuming a portrait
+             document (see above).
+   '29'   'staple-dual-top':  Bind the document(s) with two staples
+             (wire stitches) along the top edge assuming a portrait
+             document (see above).
+   '30'   'staple-dual-right':  Bind the document(s) with two staples
+             (wire stitches) along the right edge assuming a portrait
+             document (see above).
+   '31'   'staple-dual-bottom':  Bind the document(s) with two staples
+             (wire stitches) along the bottom edge assuming a portrait
+             document (see above).
+
+   The 'staple-xxx' values are specified with respect to the document as
+   if the document were a portrait document.  If the document is
+   actually a landscape or a reverse-landscape document, the client
+   supplies the appropriate transformed value.  For example, to position
+   a staple in the upper left hand corner of a landscape document when
+   held for reading, the client supplies the 'staple-bottom-left' value
+   (since landscape is defined as a +90 degree rotation of the image
+   with respect to the media from portrait, i.e., anti-clockwise).  On
+   the other hand, to position a staple in the upper left hand corner of
+   a reverse-landscape document when held for reading, the client
+   supplies the 'staple-top-right' value (since reverse-landscape is
+   defined as a -90 degree rotation of the image with respect to the
+   media from portrait, i.e., clockwise).
+
+   The angle (vertical, horizontal, angled) of each staple with respect
+   to the document depends on the implementation which may in turn
+   depend on the value of the attribute.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+
+
+Hastings, et al.            Standards Track                   [Page 100]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   If the client supplies a value of 'none' along with any other
+   combination of values, it is the same as if only that other
+   combination of values had been supplied (that is the 'none' value has
+   no effect).
+
+4.2.7 page-ranges (1setOf rangeOfInteger (1:MAX))
+
+   This attribute identifies the range(s) of print-stream pages that the
+   Printer object uses for each copy of each document which are to be
+   printed.  Nothing is printed for any pages identified that do not
+   exist in the document(s).  Ranges MUST be in ascending order, for
+   example: 1-3, 5-7, 15-19 and MUST NOT overlap, so that a non-spooling
+   Printer object can process the job in a single pass.  If the ranges
+   are not ascending or are overlapping, the IPP object MUST reject the
+   request and return the 'client-error-bad-request' status code.  The
+   attribute is associated with print-stream pages not application-
+   numbered pages (for example, the page numbers found in the headers
+   and or footers for certain word processing applications).
+
+   For Jobs with multiple documents, the "multiple-document-handling"
+   attribute determines what constitutes a "copy" for purposes of the
+   specified page range(s).  When "multiple-document-handling" is
+   'single-document', the Printer object MUST apply each supplied page
+   range once to the concatenation of the print-stream pages.  For
+   example, if there are 8 documents of 10 pages each, the page-range
+   '41:60' prints the pages in the 5th and 6th documents as a single
+   document and none of the pages of the other documents are printed.
+   When "multiple-document- handling" is 'separate-documents-
+   uncollated-copies' or 'separate-documents-collated-copies', the
+   Printer object MUST apply each supplied page range repeatedly to each
+   document copy.  For the same job, the page-range '1:3, 10:10' would
+   print the first 3 pages and the 10th page of each of the 8 documents
+   in the Job, as 8 separate documents.
+
+   In most cases, the exact pages to be printed will be generated by a
+   device driver and this attribute would not be required.  However,
+   when printing an archived document which has already been formatted,
+   the end user may elect to print just a subset of the pages contained
+   in the document.  In this case, if page-range = n.m is specified, the
+   first page to be printed will be page n. All subsequent pages of the
+   document will be printed through and including page m.
+
+   "page-ranges-supported" is a boolean value indicating whether or not
+   the printer is capable of supporting the printing of page ranges.
+   This capability may differ from one PDL to another. There is no
+   "page-ranges-default" attribute.  If the "page-ranges" attribute is
+   not supplied by the client, all pages of the document will be
+   printed.
+
+
+
+Hastings, et al.            Standards Track                   [Page 101]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.8 sides (type2 keyword)
+
+   This attribute specifies how print-stream pages are to be imposed
+   upon the sides of an instance of a selected medium, i.e., an
+   impression.
+
+   The standard keyword values are:
+
+      'one-sided': imposes each consecutive print-stream page upon the
+         same side of consecutive media sheets.
+      'two-sided-long-edge': imposes each consecutive pair of print-
+         stream pages upon front and back sides of consecutive media
+         sheets, such that the orientation of each pair of print-stream
+         pages on the medium would be correct for the reader as if for
+         binding on the long edge.  This imposition is sometimes called
+         'duplex' or 'head-to-head'.
+      'two-sided-short-edge': imposes each consecutive pair of print-
+         stream pages upon front and back sides of consecutive media
+         sheets, such that the orientation of each pair of print-stream
+         pages on the medium would be correct for the reader as if for
+         binding on the short edge.  This imposition is sometimes called
+         'tumble' or 'head-to-toe'.
+      'two-sided-long-edge', 'two-sided-short-edge',
+         'tumble', and 'duplex' all work the same for portrait or
+         landscape.  However
+         'head-to-toe' is
+      'tumble' in portrait but 'duplex' in landscape.  'head-to-head'
+         also switches between 'duplex' and 'tumble' when using portrait
+         and landscape modes.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.9 number-up (integer(1:MAX))
+
+   This attribute specifies the number of print-stream pages to impose
+   upon a single side of an instance of a selected medium.  For example,
+   if the value is:
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 102]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Value  Description
+
+   '1'    the Printer MUST place one print-stream page on a single side
+             of an instance of the selected medium (MAY add some sort
+             of translation, scaling, or rotation).
+   '2'    the Printer MUST place two print-stream pages on a single side
+             of an instance of the selected medium (MAY add some sort
+             of translation, scaling, or rotation).
+   '4'    the Printer MUST place four print-stream pages on a single
+             side of an instance of the selected medium (MAY add some
+             sort of translation, scaling, or rotation).
+
+   This attribute primarily controls the translation, scaling and
+   rotation of print-stream pages.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.10 orientation-requested (type2 enum)
+
+   This attribute indicates the desired orientation for printed print-
+   stream pages; it does not describe the orientation of the client-
+   supplied print-stream pages.
+
+   For some document formats (such as 'application/postscript'), the
+   desired orientation of the print-stream pages is specified within the
+   document data.  This information is generated by a device driver
+   prior to the submission of the print job.  Other document formats
+   (such as 'text/plain') do not include the notion of desired
+   orientation within the document data.  In the latter case it is
+   possible for the Printer object to bind the desired orientation to
+   the document data after it has been submitted.  It is expected that a
+   Printer object would only support "orientations-requested" for some
+   document formats (e.g., 'text/plain' or 'text/html') but not others
+   (e.g., 'application/postscript').  This is no different than any
+   other Job Template attribute since section 4.2, item 1, points out
+   that a Printer object may support or not support any Job Template
+   attribute based on the document format supplied by the client.
+   However, a special mention is made here since it is very likely that
+   a Printer object will support "orientation-requested" for only a
+   subset of the supported document formats.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 103]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Standard enum values are:
+
+   Value  Symbolic Name and Description
+
+   '3'    'portrait':  The content will be imaged across the short edge
+             of the medium.
+   '4'    'landscape':  The content will be imaged across the long edge
+             of the medium.  Landscape is defined to be a rotation of
+             the print-stream page to be imaged by +90 degrees with
+             respect to the medium (i.e. anti-clockwise) from the
+             portrait orientation.  Note:  The +90 direction was
+             chosen because simple finishing on the long edge is the
+             same edge whether portrait or landscape
+   '5'    'reverse-landscape':  The content will be imaged across the
+             long edge of the medium.  Reverse-landscape is defined to
+             be a rotation of the print-stream page to be imaged by -
+             90 degrees with respect to the medium (i.e. clockwise)
+             from the portrait orientation.  Note: The 'reverse-
+             landscape' value was added because some applications
+             rotate landscape -90 degrees from portrait, rather than
+             +90 degrees.
+   '6'    'reverse-portrait':  The content will be imaged across the
+             short edge of the medium.  Reverse-portrait is defined to
+             be a rotation of the print-stream page to be imaged by
+             180 degrees with respect to the medium from the portrait
+             orientation.  Note: The 'reverse-portrait' value was
+             added for use with the "finishings" attribute in cases
+             where the opposite edge is desired for finishing a
+             portrait document on simple finishing devices that have
+             only one finishing position.  Thus a 'text'/plain'
+             portrait document can be stapled "on the right" by a
+             simple finishing device as is common use with some middle
+             eastern languages such as Hebrew.
+
+   Note: The effect of this attribute on jobs with multiple documents is
+   controlled by the "multiple-document-handling" job attribute (section
+   4.2.4) and the relationship of this attribute and the other
+   attributes that control document processing is described in section
+   15.3.
+
+4.2.11 media (type3 keyword | name(MAX))
+
+   This attribute identifies the medium that the Printer uses for all
+   impressions of the Job.
+
+   The values for "media" include medium-names, medium-sizes, input-
+   trays and electronic forms so that one attribute specifies the media.
+   If a Printer object supports a medium name as a value of this
+
+
+
+Hastings, et al.            Standards Track                   [Page 104]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   attribute, such a medium name implicitly selects an input-tray that
+   contains the specified medium.  If a Printer object supports a medium
+   size as a value of this attribute, such a medium size implicitly
+   selects a medium name that in turn implicitly selects an input-tray
+   that contains the medium with the specified size.  If a Printer
+   object supports an input-tray as the value of this attribute, such an
+   input-tray implicitly selects the medium that is in that input-tray
+   at the time the job prints.  This case includes manual-feed input-
+   trays.  If a Printer object supports an electronic form as the value
+   of this attribute, such an electronic form implicitly selects a
+   medium-name that in turn implicitly selects an input-tray that
+   contains the medium specified by the electronic form.  The electronic
+   form also implicitly selects an image that the Printer MUST merge
+   with the document data as its prints each page.
+
+   Standard keyword values are taken from ISO DPA [ISO10175], the
+   Printer MIB [RFC1759], and ASME-Y14.1M [ASME-Y14.1M] and are listed
+   in section 14.  An administrator MAY define additional values using
+   the 'name' or 'keyword' attribute syntax, depending on
+   implementation.
+
+   There is also an additional Printer attribute named "media-ready"
+   which differs from "media-supported" in that legal values only
+   include the subset of "media-supported" values that are physically
+   loaded and ready for printing with no operator intervention required.
+   If an IPP object supports "media-supported", it NEED NOT support
+   "media-ready".
+
+   The relationship of this attribute and the other attributes that
+   control document processing is described in section 15.3.
+
+4.2.12 printer-resolution (resolution)
+
+   This attribute identifies the resolution that Printer uses for the
+   Job.
+
+4.2.13 print-quality (type2 enum)
+
+   This attribute specifies the print quality that the Printer uses for
+   the Job.
+
+   The standard enum values are:
+
+   Value  Symbolic Name and Description
+
+   '3'    'draft': lowest quality available on the printer
+   '4'    'normal': normal or intermediate quality on the printer
+   '5'    'high': highest quality available on the printer
+
+
+
+Hastings, et al.            Standards Track                   [Page 105]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3 Job Description Attributes
+
+   The attributes in this section form the attribute group called "job-
+   description".  The following table summarizes these attributes.  The
+   third column indicates whether the attribute is a REQUIRED attribute
+   that MUST be supported by Printer objects.  If it is not indicated as
+   REQUIRED, then it is OPTIONAL.  The maximum size in octets for 'text'
+   and 'name' attributes is indicated in parenthesizes.
+
+   +----------------------------+----------------------+--------------+
+   |      Attribute             |     Syntax           |   REQUIRED?  |
+   +----------------------------+----------------------+--------------+
+   | job-uri                    | uri                  |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-id                     | integer(1:MAX)       |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-printer-uri            | uri                  |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-more-info              | uri                  |              |
+   +----------------------------+----------------------+--------------+
+   | job-name                   | name (MAX)           |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-originating-user-name  | name (MAX)           |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-state                  | type1 enum           |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-state-reasons          | 1setOf type2 keyword |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-state-message          | text (MAX)           |              |
+   +----------------------------+----------------------+--------------+
+   | job-detailed-status-       | 1setOf text (MAX)    |              |
+   |       messages             |                      |              |
+   +----------------------------+----------------------+--------------+
+   | job-document-access-errors | 1setOf text (MAX)    |              |
+   +----------------------------+----------------------+--------------+
+   | number-of-documents        | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | output-device-assigned     | name (127)           |              |
+   +----------------------------+----------------------+--------------+
+   | time-at-creation           | integer (MIN:MAX)    |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | time-at-processing         | integer (MIN:MAX)    |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | time-at-completed          | integer (MIN:MAX)    |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | job-printer-up-time        | integer (1:MAX)      |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | date-time-at-creation      | dateTime             |              |
+
+
+
+Hastings, et al.            Standards Track                   [Page 106]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   +----------------------------+----------------------+--------------+
+   | date-time-at-processing    | dateTime             |              |
+   +----------------------------+----------------------+--------------+
+   | date-time-at-completed     | dateTime             |              |
+   +----------------------------+----------------------+--------------+
+   | number-of-intervening-jobs | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | job-message-from-operator  | text (127)           |              |
+   +----------------------------+----------------------+--------------+
+   | job-k-octets               | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | job-impressions            | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | job-media-sheets           | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | job-k-octets-processed     | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | job-impressions-completed  | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | job-media-sheets-completed | integer (0:MAX)      |              |
+   +----------------------------+----------------------+--------------+
+   | attributes-charset         | charset              |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+   | attributes-natural-language| naturalLanguage      |  REQUIRED    |
+   +----------------------------+----------------------+--------------+
+
+4.3.1 job-uri (uri)
+
+   This REQUIRED attribute contains the URI for the job.  The Printer
+   object, on receipt of a new job, generates a URI which identifies the
+   new Job.  The Printer object returns the value of the "job-uri"
+   attribute as part of the response to a create request.  The precise
+   format of a Job URI is implementation dependent.  If the Printer
+   object supports more than one URI and there is some relationship
+   between the newly formed Job URI and the Printer object's URI, the
+   Printer object uses the Printer URI supplied by the client in the
+   create request.  For example, if the create request comes in over a
+   secure channel, the new Job URI MUST use the same secure channel.
+   This can be guaranteed because the Printer object is responsible for
+   generating the Job URI and the Printer object is aware of its
+   security configuration and policy as well as the Printer URI used in
+   the create request.
+
+   For a description of this attribute and its relationship to "job-id"
+   and "job-printer-uri" attribute, see the discussion in section 2.4 on
+   "Object Identity".
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 107]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3.2 job-id (integer(1:MAX))
+
+   This REQUIRED attribute contains the ID of the job.  The Printer, on
+   receipt of a new job, generates an ID which identifies the new Job on
+   that Printer.  The Printer returns the value of the "job-id"
+   attribute as part of the response to a create request.  The 0 value
+   is not included to allow for compatibility with SNMP index values
+   which also cannot be 0.
+
+   For a description of this attribute and its relationship to "job-uri"
+   and "job-printer-uri" attribute, see the discussion in section 2.4 on
+   "Object Identity".
+
+4.3.3 job-printer-uri (uri)
+
+   This REQUIRED attribute identifies the Printer object that created
+   this Job object.  When a Printer object creates a Job object, it
+   populates this attribute with the Printer object URI that was used in
+   the create request.  This attribute permits a client to identify the
+   Printer object that created this Job object when only the Job
+   object's URI is available to the client.  The client queries the
+   creating Printer object to determine which languages, charsets,
+   operations, are supported for this Job.
+
+   For a description of this attribute and its relationship to "job-uri"
+   and "job-id" attribute, see the discussion in section 2.4 on "Object
+   Identity".
+
+4.3.4 job-more-info (uri)
+
+   Similar to "printer-more-info", this attribute contains the URI
+   referencing some resource with more information about this Job
+   object, perhaps an HTML page containing information about the Job.
+
+4.3.5 job-name (name(MAX))
+
+   This REQUIRED attribute is the name of the job.  It is a name that is
+   more user friendly than the "job-uri" attribute value.  It does not
+   need to be unique between Jobs.  The Job's "job-name" attribute is
+   set to the value supplied by the client in the "job-name" operation
+   attribute in the create request (see Section 3.2.1.1).   If, however,
+   the "job-name" operation attribute is not supplied by the client in
+   the create request, the Printer object, on creation of the Job, MUST
+   generate a name.  The printer SHOULD generate the value of the Job's
+   "job-name" attribute from the first of the following sources that
+   produces a value: 1) the "document-name" operation attribute of the
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 108]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   first (or only) document, 2) the "document-URI" attribute of the
+   first (or only) document, or 3) any other piece of Job specific
+   and/or Document Content information.
+
+4.3.6 job-originating-user-name (name(MAX))
+
+   This REQUIRED attribute contains the name of the end user that
+   submitted the print job.  The Printer object sets this attribute to
+   the most authenticated printable name that it can obtain from the
+   authentication service over which the IPP operation was received.
+   Only if such is not available, does the Printer object use the value
+   supplied by the client in the "requesting-user-name" operation
+   attribute of the create operation (see Sections 4.4.2, 4.4.3, and 8).
+
+   Note:  The Printer object needs to keep an internal originating user
+   id of some form, typically as a credential of a principal, with the
+   Job object.  Since such an internal attribute is implementation-
+   dependent and not of interest to clients, it is not specified as a
+   Job Description attribute.  This originating user id is used for
+   authorization checks (if any) on all subsequent operations.
+
+4.3.7 job-state (type1 enum)
+
+   This REQUIRED attribute identifies the current state of the job.
+   Even though the IPP protocol defines seven values for job states
+   (plus the out-of-band 'unknown' value - see Section 4.1),
+   implementations only need to support those states which are
+   appropriate for the particular implementation.  In other words, a
+   Printer supports only those job states implemented by the output
+   device and available to the Printer object implementation.
+
+   Standard enum values are:
+
+   Values Symbolic Name and Description
+
+   '3'  'pending':  The job is a candidate to start processing, but is
+           not yet processing.
+
+   '4'  'pending-held':  The job is not a candidate for processing for
+           any number of reasons but will return to the 'pending'
+           state as soon as the reasons are no longer present.  The
+           job's "job-state-reason" attribute MUST indicate why the
+           job is no longer a candidate for processing.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 109]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   '5'  'processing':  One or more of:
+
+           1.  the job is using, or is attempting to use, one or
+           more purely software processes that are analyzing,
+           creating, or interpreting a PDL, etc.,
+           2.  the job is using, or is attempting to use, one or
+           more hardware devices that are interpreting a PDL, making
+           marks on a medium, and/or performing finishing, such as
+           stapling, etc.,
+           3. the Printer object has made the job ready for
+           printing, but the output device is not yet printing it,
+           either because the job hasn't reached the output device
+           or because the job is queued in the output device or some
+           other spooler, awaiting the output device to print it.
+
+           When the job is in the 'processing' state, the entire job
+           state includes the detailed status represented in the
+           Printer object's "printer-state", "printer-state-
+           reasons", and "printer-state-message" attributes.
+
+           Implementations MAY, though they NEED NOT,  include
+           additional values in the job's "job-state-reasons"
+           attribute to indicate the progress of the job, such as
+           adding the 'job-printing' value to indicate when the
+           output device is actually making marks on paper and/or
+           the 'processing-to-stop-point' value to indicate that the
+           IPP object is in the process of canceling or aborting the
+           job.  Most implementations won't bother with this nuance.
+
+   '6'  'processing-stopped':  The job has stopped while processing
+           for any number of reasons and will return to the
+           'processing' state as soon as the reasons are no longer
+           present.
+
+           The job's "job-state-reason" attribute MAY indicate why
+           the job has stopped processing.  For example, if the
+           output device is stopped, the 'printer-stopped' value MAY
+           be included in the job's "job-state-reasons" attribute.
+
+           Note:  When an output device is stopped, the device
+           usually indicates its condition in human readable form
+           locally at the device.  A client can obtain more complete
+           device status remotely by querying the Printer object's
+           "printer-state", "printer-state-reasons" and "printer-
+           state-message" attributes.
+
+   '7'  'canceled':  The job has been canceled by a Cancel-Job
+           operation and the Printer object has completed canceling
+
+
+
+Hastings, et al.            Standards Track                   [Page 110]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+           the job and all job status attributes have reached their
+           final values for the job.  While the Printer object is
+           canceling the job, the job remains in its current state,
+           but the job's "job-state-reasons" attribute SHOULD
+           contain the 'processing-to-stop-point' value and one of
+           the 'canceled-by-user', 'canceled-by-operator', or
+           'canceled-at-device' value.  When the job moves to the
+           'canceled' state, the  'processing-to-stop-point' value,
+           if present, MUST be removed, but the 'canceled-by-xxx',
+           if present, MUST remain.
+
+   '8'  'aborted':  The job has been aborted by the system, usually
+           while the job was in the 'processing' or 'processing-
+           stopped' state and the Printer has completed aborting the
+           job and all job status attributes have reached their
+           final values for the job.  While the Printer object is
+           aborting the job, the job remains in its current state,
+           but the job's "job-state-reasons" attribute SHOULD
+           contain the 'processing-to-stop-point' and 'aborted-by-
+           system' values.  When the job moves to the 'aborted'
+           state, the  'processing-to-stop-point' value, if present,
+           MUST be removed, but the 'aborted-by-system' value, if
+           present, MUST remain.
+
+   '9'  'completed':  The job has completed successfully or with
+           warnings or errors after processing and all of the job
+           media sheets have been successfully stacked in the
+           appropriate output bin(s) and all job status attributes
+           have reached their final values for the job.  The job's
+           "job-state-reasons" attribute SHOULD contain one of:
+           'completed-successfully', 'completed-with-warnings', or
+           'completed-with-errors' values.
+
+   The final value for this attribute MUST be one of: 'completed',
+   'canceled', or 'aborted' before the Printer removes the job
+   altogether.  The length of time that jobs remain in the 'canceled',
+   'aborted', and 'completed' states depends on implementation.  See
+   section 4.3.7.2.
+
+   The following figure shows the normal job state transitions.
+
+                                                      +----> canceled
+                                                     /
+       +----> pending --------> processing ---------+------> completed
+       |         ^                   ^               \
+   --->+         |                   |                +----> aborted
+       |         v                   v               /
+       +----> pending-held    processing-stopped ---+
+
+
+
+Hastings, et al.            Standards Track                   [Page 111]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Normally a job progresses from left to right.  Other state
+   transitions are unlikely, but are not forbidden.  Not shown are the
+   transitions to the 'canceled' state from the 'pending', 'pending-
+   held', and 'processing-stopped' states.
+
+   Jobs reach one of the three terminal states: 'completed', 'canceled',
+   or 'aborted', after the jobs have completed all activity, including
+   stacking output media, after the jobs have completed all activity,
+   and all job status attributes have reached their final values for the
+   job.
+
+4.3.7.1 Forwarding Servers
+
+   As with all other IPP attributes, if the implementation cannot
+   determine the correct value for this attribute, it SHOULD respond
+   with the out-of-band value 'unknown' (see section 4.1) rather than
+   try to guess at some possibly incorrect value and give the end user
+   the wrong impression about the state of the Job object.  For example,
+   if the implementation is just a gateway into some printing system
+   from which it can normally get status, but temporarily is unable,
+   then the implementation should return the 'unknown' value.  However,
+   if the implementation is a gateway to a printing system that never
+   provides detailed status about the print job, the implementation MAY
+   set the IPP Job object's state  to 'completed', provided that it also
+   sets the 'queued-in-device' value in the job's "job-state-reasons"
+   attribute (see section 4.3.8).
+
+4.3.7.2 Partitioning of Job States
+
+   This section partitions the 7 job states into phases:  Job Not
+   Completed, Job Retention, Job History, and Job Removal.  This section
+   also explains the 'job-restartable' value of the "job-state-reasons"
+   Job Description attribute for use with the Restart-Job operation.
+
+   Job Not Completed:  When a job is in the 'pending', 'pending-held',
+   'processing', or 'processing-stopped' states, the job is not
+   completed.
+
+   Job Retention:  When a job enters one of the three terminal job
+   states:  'completed', 'canceled', or 'aborted', the IPP Printer
+   object MAY "retain" the job in a restartable condition for an
+   implementation-defined time period.  This time period MAY be zero
+   seconds and MAY depend on the terminal job state.  This phase is
+   called Job Retention.  While in the Job Retention phase, the job's
+   document data is retained and a client may restart the job using the
+   Restart-Job operation.  If the IPP object supports the Restart-Job
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 112]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   operation, then it SHOULD indicate that the job is restartable by
+   adding the 'job-restartable' value to the job's "job-state-reasons"
+   attribute (see Section 4.3.8) during the Job Retention phase.
+
+   Job History:  After the Job Retention phase expires for a job, the
+   Printer object deletes the document data for the job and the job
+   becomes part of the Job History.  The Printer object MAY also delete
+   any number of the job attributes.  Since the job is no longer
+   restartable, the Printer object MUST remove the 'job-restartable'
+   value from the job's "job-state-reasons" attribute, if present.
+
+   Job Removal:  After the job has remained in the Job History for an
+   implementation-defined time, such as when the number of jobs exceeds
+   a fixed number or after a fixed time period (which MAY be zero
+   seconds), the IPP Printer removes the job from the system.
+
+   Using the Get-Jobs operation and supplying the 'not-completed' value
+   for the "which-jobs" operation attribute, a client is requesting jobs
+   in the Job Not Completed phase.  Using the Get-Jobs operation and
+   supplying the 'completed' value for the "which-jobs" operation
+   attribute, a client is requesting jobs in the Job Retention and Job
+   History phases.  Using the Get-Job-Attributes operation, a client is
+   requesting a job in any phase except Job Removal.  After Job Removal,
+   the Get-Job-Attributes and Get-Jobs operations no longer are capable
+   of returning any information about a job.
+
+4.3.8 job-state-reasons (1setOf type2 keyword)
+
+   This REQUIRED attribute provides additional information about the
+   job's current state, i.e., information that augments the value of the
+   job's "job-state" attribute.
+
+   These values MAY be used with any job state or states for which the
+   reason makes sense.  Some of these value definitions indicate
+   conformance requirements; the rest are OPTIONAL.  Furthermore, when
+   implemented, the Printer MUST return these values when the reason
+   applies and MUST NOT return them when the reason no longer applies
+   whether the value of the Job's "job-state" attribute changed or not.
+   When the Job does not have any reasons for being in its current
+   state, the value of the Job's "job-state-reasons" attribute MUST be
+   'none'.
+
+   Note: While values cannot be added to the 'job-state' attribute
+   without impacting deployed clients that take actions upon receiving
+   "job-state" values, it is the intent that additional "job-state-
+   reasons" values can be defined and registered without impacting such
+   deployed clients.  In other words, the "job-state-reasons" attribute
+   is intended to be extensible.
+
+
+
+Hastings, et al.            Standards Track                   [Page 113]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The following standard keyword values are defined.  For ease of
+   understanding, the values are presented in the order in which the
+   reasons are likely to occur (if implemented), starting with the
+   'job-incoming' value:
+
+      'none':  There are no reasons for the job's current state.  This
+         state reason is semantically equivalent to "job-state-reasons"
+         without any value and MUST be used when there is no other
+         value, since the 1setOf attribute syntax requires at least one
+         value.
+      'job-incoming':  Either (1) the Printer has accepted the Create-
+         Job operation and is expecting additional Send-Document and/or
+         Send-URI operations, or (2) the Printer is retrieving/accepting
+         document data as a result of a Print-Job, Print-URI, Send-
+         Document or Send-URI operation.
+      'job-data-insufficient':  The Create-Job operation has been
+         accepted by the Printer, but the Printer is expecting
+         additional document data before it can move the job into the
+         'processing' state.  If a Printer starts processing before it
+         has received all data, the Printer removes the 'job-data-
+         insufficient' reason, but the 'job-incoming' remains.  If a
+         Printer starts processing after it has received all data, the
+         Printer removes the 'job-data-insufficient' reason and the
+         'job-incoming' at the same time.
+      'document-access-error':  After accepting a Print-URI or Send-URI
+         request, the Printer could not access one or more documents
+         passed by reference.  This reason is intended to cover any file
+         access problem, including file does not exist and access denied
+         because of an access control problem.  The Printer MAY also
+         indicate the document access error using the "job-document-
+         access-errors" Job Description attribute (see section 4.3.11).
+         Whether the Printer aborts the job and moves the job to the
+         'aborted' job state or prints all documents that are accessible
+         and moves the job to the 'completed' job state and adds the
+         'completed-with-errors' value in the job's "job-state-reasons"
+         attribute depends on implementation and/or site policy.  This
+         value SHOULD be supported if the Print-URI or Send-URI
+         operations are supported.
+      'submission-interrupted':  The job was not completely submitted
+         for some unforeseen reason, such as: (1) the Printer has
+         crashed before the job was closed by the client, (2) the
+         Printer or the document transfer method has crashed in some
+         non-recoverable way before the document data was entirely
+         transferred to the Printer, (3) the client crashed or failed to
+         close the job before the time-out period.  See section 4.4.31.
+      'job-outgoing':  The Printer is transmitting the job to the output
+         device.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 114]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      'job-hold-until-specified':  The value of the job's "job-hold-
+         until" attribute was specified with a time period that is still
+         in the future.  The job MUST NOT be a candidate for processing
+         until this reason is removed and there are no other reasons to
+         hold the job.  This value SHOULD be supported if the "job-
+         hold-until" Job Template attribute is supported.
+      'resources-are-not-ready':  At least one of the resources needed
+         by the job, such as media, fonts, resource objects, etc., is
+         not ready on any of the physical printer's for which the job is
+         a candidate.  This condition MAY be detected when the job is
+         accepted, or subsequently while the job is pending or
+         processing, depending on implementation.  The job may remain in
+         its current state or be moved to the 'pending-held' state,
+         depending on implementation and/or job scheduling policy.
+      'printer-stopped-partly':  The value of the Printer's "printer-
+         state-reasons" attribute contains the value 'stopped-partly'.
+      'printer-stopped':  The value of the Printer's "printer-state"
+         attribute is 'stopped'.
+      'job-interpreting': Job is in the 'processing' state, but more
+         specifically, the Printer is interpreting the document data.
+      'job-queued': Job is in the 'processing' state, but more
+         specifically, the Printer has queued the document data.
+      'job-transforming': Job is in the 'processing' state, but more
+         specifically, the Printer is interpreting document data and
+         producing another electronic representation.
+      'job-queued-for-marker': Job is in any of the 'pending-held',
+         'pending', or 'processing' states, but more specifically, the
+         Printer has completed enough processing of the document to be
+         able to start marking and the job is waiting for the marker.
+         Systems that require human intervention to release jobs using
+         the Release-Job operation, put the job into the 'pending-held'
+         job state.  Systems that automatically select a job to use the
+         marker put the job into the  'pending' job state or keep the
+         job in the 'processing' job state while waiting for the marker,
+         depending on implementation.  All implementations put the job
+         into (or back into) the 'processing' state when marking does
+         begin.
+      'job-printing':  The output device is marking media. This value is
+         useful for Printers which spend a great deal of time processing
+         (1) when no marking is happening and then want to show that
+         marking is now happening or (2) when the job is in the process
+         of being canceled or aborted while the job remains in the
+         'processing' state, but the marking has not yet stopped so that
+         impression or sheet counts are still increasing for the job.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 115]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      'job-canceled-by-user':  The job was canceled by the owner of the
+         job using the Cancel-Job request, i.e., by a user whose
+         authenticated identity is the same as the value of the
+         originating user that created the Job object, or by some other
+         authorized end-user, such as a member of the job owner's
+         security group.  This value SHOULD be supported.
+      'job-canceled-by-operator':  The job was canceled by the operator
+         using the Cancel-Job request, i.e., by a user who has been
+         authenticated as having operator privileges (whether local or
+         remote).  If the security policy is to allow anyone to cancel
+         anyone's job, then this value may be used when the job is
+         canceled by other than the owner of the job.  For such a
+         security policy, in effect, everyone is an operator as far as
+         canceling jobs with IPP is concerned.  This value SHOULD be
+         supported if the implementation permits canceling by other than
+         the owner of the job.
+      'job-canceled-at-device':  The job was canceled by an unidentified
+         local user, i.e., a user at a console at the device.  This
+         value SHOULD be supported if the implementation supports
+         canceling jobs at the console.
+      'aborted-by-system':  The job (1) is in the process of being
+         aborted, (2) has been aborted by the system and placed in the
+         'aborted' state, or (3) has been aborted by the system and
+         placed in the 'pending-held' state, so that a user or operator
+         can manually try the job again.  This value SHOULD be
+         supported.
+      'unsupported-compression': The job was aborted by the system
+         because the Printer determined while attempting to decompress
+         the document-data's that the compression is actually not among
+         those supported by the Printer.  This value MUST be supported,
+         since "compressions is a REQUIRED operation attribute.
+      'compression-error': The job was aborted by the system because the
+         Printer encountered an error in the document-data while
+         decompressing it.  If the Printer posts this reason, the
+         document-data has already passed any tests that would have led
+         to the 'unsupported-compression' job-state-reason.
+      'unsupported-document-format': The job was aborted by the system
+         because the document-data's document-format is not among those
+         supported by the Printer.  If the client specifies the
+         document-format as 'application/octet-stream', the printer MAY
+         abort the job and post this reason even though the format is a
+         member of the "document-format-supported" printer attribute,
+         but not among the auto-sensed document-formats.  This value
+         MUST be supported, since "document-format" is a REQUIRED
+         operation attribute.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 116]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      'document-format-error': The job was aborted by the system because
+         the Printer encountered an error in the document-data while
+         processing it.  If the Printer posts this reason, the
+         document-data has already passed any tests that would have led
+         to the 'unsupported-document-format' job-state-reason.
+      'processing-to-stop-point':  The requester has issued a Cancel-Job
+         operation or the Printer object has aborted the job, but is
+         still performing some actions on the job until a specified stop
+         point occurs or job termination/cleanup is completed.
+
+         If the implementation requires some measurable time to cancel
+         the job in the 'processing' or 'processing-stopped' job states,
+         the IPP object MUST use this value to indicate that the Printer
+         object is still performing some actions on the job while the
+         job remains in the 'processing' or 'processing-stopped' state.
+         After all the job's job description attributes have stopped
+         incrementing, the Printer object moves the job from the
+         'processing' state to the 'canceled' or
+         'aborted' job states.
+
+      'service-off-line':  The Printer is off-line and accepting no
+         jobs.  All 'pending' jobs are put into the 'pending-held'
+         state.  This situation could be true if the service's or
+         document transform's input is impaired or broken.
+      'job-completed-successfully':  The job completed successfully.
+         This value SHOULD be supported.
+      'job-completed-with-warnings':  The job completed with warnings.
+         This value SHOULD be supported if the implementation detects
+         warnings.
+      'job-completed-with-errors':  The job completed with errors (and
+         possibly warnings too).  This value SHOULD be supported if the
+         implementation detects errors.
+      'job-restartable' - This job is retained (see section 4.3.7.2) and
+         is currently able to be restarted using the Restart-Job
+         operation (see section 3.3.7).  If 'job-restartable' is a value
+         of the job's 'job-state-reasons' attribute, then the IPP object
+         MUST accept a Restart-Job operation for that job.  This value
+         SHOULD be supported if the Restart-Job operation is supported.
+      'queued-in-device': The job has been forwarded to a device or
+         print system that is unable to send back status.  The Printer
+         sets the job's "job-state " attribute to 'completed'  and adds
+         the 'queued-in-device' value to the job's "job-state-reasons"
+         attribute to indicate that the Printer has no additional
+         information about the job and never will have any better
+         information.  See section 4.3.7.1.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 117]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3.9 job-state-message (text(MAX))
+
+   This attribute specifies information about the "job-state" and "job-
+   state-reasons" attributes in human readable text.  If the Printer
+   object supports this attribute, the Printer object MUST be able to
+   generate this message in any of the natural languages identified by
+   the Printer's "generated-natural-language-supported" attribute (see
+   the "attributes-natural-language" operation attribute specified in
+   Section 3.1.4.1).
+
+   The value SHOULD NOT contain additional information not contained in
+   the values of the "job-state" and "job-states-reasons" attributes,
+   such as interpreter error information.  Otherwise, application
+   programs might attempt to parse the (localized text).  For such
+   additional information such as interpreter errors for application
+   program consumption or specific document access errors, new
+   attributes with keyword values, needs to be developed and registered.
+
+4.3.10 job-detailed-status-messages (1setOf text(MAX))
+
+   This attribute specifies additional detailed and technical
+   information about the job.  The Printer NEED NOT localize the
+   message(s), since they are intended for use by the system
+   administrator or other experienced technical persons.  Localization
+   might obscure the technical meaning of such messages.  Clients MUST
+   NOT attempt to parse the value of this attribute.  See "job-
+   document-access-errors" (section 4.3.11) for additional errors that a
+   program can process.
+
+4.3.11 job-document-access-errors (1setOf text(MAX))
+
+   This attribute provides additional information about each document
+   access error for this job encountered by the Printer after it
+   returned a response to the Print-URI or Send-URI operation and
+   subsequently attempted to access document(s) supplied in the Print-
+   URI or Send-URI operation.  For errors in the protocol that is
+   identified by the URI scheme in the "document-uri" operation
+   attribute, such as 'http:' or 'ftp:', the error code is returned in
+   parentheses, followed by the URI.  For example:
+
+      (404) http://ftp.pwg.org/pub/pwg/ipp/new_MOD/ipp-model-v11.pdf
+
+   Most Internet protocols use decimal error codes (unlike IPP), so the
+   ASCII error code representation is in decimal.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 118]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3.12 number-of-documents (integer(0:MAX))
+
+   This attribute indicates the number of documents in the job, i.e.,
+   the number of Send-Document, Send-URI, Print-Job, or Print-URI
+   operations that the Printer has accepted for this job, regardless of
+   whether the document data has reached the Printer object or not.
+
+   Implementations supporting the OPTIONAL Create-Job/Send-
+   Document/Send-URI operations SHOULD support this attribute so that
+   clients can query the number of documents in each job.
+
+4.3.13 output-device-assigned (name(127))
+
+   This attribute identifies the output device to which the Printer
+   object has assigned this job.  If an output device implements an
+   embedded Printer object, the Printer object NEED NOT set this
+   attribute.  If a print server implements a Printer object, the value
+   MAY be empty (zero- length string) or not returned until the Printer
+   object assigns an output device to the job.  This attribute is
+   particularly useful when a single Printer object supports multiple
+   devices (so called "fan-out" - see section 2.1).
+
+4.3.14 Event Time Job Description Attributes
+
+   This section defines the Job Description attributes that indicate the
+   time at which certain events occur for a job.  If the job event has
+   not yet occurred, then the IPP object MUST return the 'no-value'
+   out-of-band value (see the beginning of Section 4.1).  The "time-at-
+   xxx(integer)" attributes represent time as an 'integer' representing
+   the number of seconds since the device was powered up (informally
+   called "time ticks").  The "date-time-at-xxx(dateTime)" attributes
+   represent time as 'dateTime' representing date and time (including an
+   offset from UTC).
+
+   In order to populate these attributes, the Printer object copies the
+   value(s) of the following Printer Description attributes at the time
+   the event occurs:
+
+      1. the value in the Printer's "printer-up-time" attribute for the
+         "time-at-xxx(integer)" attributes
+
+      2. the value in the Printer's "printer-current-time" attribute for
+         the "date-time-at-xxx(dateTime)" attributes.
+
+   If the Printer resets its "printer-up-time" attribute to 1 on power-
+   up (see section 4.4.29) and has persistent jobs, then it MUST change
+   all of jobs' "time-at-xxx(integer)" (time tick) job attributes whose
+   events have occurred either to:
+
+
+
+Hastings, et al.            Standards Track                   [Page 119]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      1. 0 to indicate that the event happened before the most recent
+         power up OR
+
+      2. the negative of the number of seconds before the most recent
+         power-up that the event took place, though the negative number
+         NEED NOT reflect the exact number of seconds.
+
+   If a client queries a "time-at-xxx(integer)" time tick Job attribute
+   and finds the value to be 0 or negative, the client MUST assume that
+   the event occurred in some life other than the Printer's current
+   life.
+
+   Note: A Printer does not change the values of any "date-time-at-
+   xxx(dateTime)" job attributes on power-up.
+
+4.3.14.1 time-at-creation (integer(MIN:MAX))
+
+   This REQUIRED attribute indicates the time at which the Job object
+   was created.
+
+4.3.14.2 time-at-processing (integer(MIN:MAX))
+
+   This REQUIRED attribute indicates the time at which the Job object
+   first began processing after the create operation or the most recent
+   Restart-Job operation.  The out-of-band 'no-value' value is returned
+   if the job has not yet been in the 'processing' state (see the
+   beginning of Section 4.1).
+
+4.3.14.3 time-at-completed (integer(MIN:MAX))
+
+   This REQUIRED attribute indicates the time at which the Job object
+   completed (or was canceled or aborted).  The out-of-band 'no-value'
+   value is returned if the job has not yet completed, been canceled, or
+   aborted (see the beginning of Section 4.1).
+
+4.3.14.4 job-printer-up-time (integer(1:MAX))
+
+   This REQUIRED Job Description attribute indicates the amount of time
+   (in seconds) that the Printer implementation has been up and running.
+   This attribute is an alias for the "printer-up-time" Printer
+   Description attribute (see Section 4.4.29).
+
+   A client MAY request this attribute in a Get-Job-Attributes or Get-
+   Jobs request and use the value returned in combination with other
+   requested Event Time Job Description Attributes in order to display
+   time attributes to a user.  The difference between this attribute and
+   the 'integer' value of a "time-at-xxx" attribute is the number of
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 120]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   seconds ago that the "time-at-xxx" event occurred.  A client can
+   compute the wall-clock time at which the "time-at-xxx" event occurred
+   by subtracting this difference from the client's wall-clock time.
+
+4.3.14.5 date-time-at-creation (dateTime)
+
+   This attribute indicates the date and time at which the Job object
+   was created.
+
+4.3.14.6 date-time-at-processing (dateTime)
+
+   This attribute indicates the date and time at which the Job object
+   first began processing after the create operation or the most recent
+   Restart-Job operation.
+
+4.3.14.7 date-time-at-completed (dateTime)
+
+   This attribute indicates the date and time at which the Job object
+   completed (or was canceled or aborted).
+
+4.3.15 number-of-intervening-jobs (integer(0:MAX))
+
+   This attribute indicates the number of jobs that are "ahead" of this
+   job in the relative chronological order of expected time to complete
+   (i.e., the current scheduled order). For efficiency, it is only
+   necessary to calculate this value when an operation is performed that
+   requests this attribute.
+
+4.3.16 job-message-from-operator (text(127))
+
+   This attribute provides a message from an operator, system
+   administrator or "intelligent" process to indicate to the end user
+   the reasons for modification or other management action taken on a
+   job.
+
+4.3.17 Job Size Attributes
+
+   This sub-section defines job attributes that describe the size of the
+   job.  These attributes are not intended to be counters; they are
+   intended to be useful routing and scheduling information if known.
+   For these attributes, the Printer object may try to compute the value
+   if it is not supplied in the create request.  Even if the client does
+   supply a value for these three attributes in the create request, the
+   Printer object MAY choose to change the value if the Printer object
+   is able to compute a value which is more accurate than the client
+   supplied value.  The Printer object may be able to determine the
+   correct value for these attributes either right at job submission
+   time or at any later point in time.
+
+
+
+Hastings, et al.            Standards Track                   [Page 121]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3.17.1 job-k-octets (integer(0:MAX))
+
+   This attribute specifies the total size of the document(s) in K
+   octets, i.e., in units of 1024 octets requested to be processed in
+   the job.  The value MUST be rounded up, so that a job between 1 and
+   1024 octets MUST be indicated as being 1, 1025 to 2048 MUST be 2,
+   etc.
+
+   This value MUST NOT include the multiplicative factors contributed by
+   the number of copies specified by the "copies" attribute, independent
+   of whether the device can process multiple copies without making
+   multiple passes over the job or document data and independent of
+   whether the output is collated or not.  Thus the value is independent
+   of the implementation and indicates the size of the document(s)
+   measured in K octets independent of the number of copies.
+
+   This value MUST also not include the multiplicative factor due to a
+   copies instruction embedded in the document data.  If the document
+   data actually includes replications of the document data, this value
+   will include such replication.  In other words, this value is always
+   the size of the source document data, rather than a measure of the
+   hardcopy output to be produced.
+
+4.3.17.2 job-impressions (integer(0:MAX))
+
+   This attribute specifies the total size in number of impressions of
+   the document(s) being submitted (see the definition of impression in
+   section 12.2.5).
+
+   As with "job-k-octets", this value MUST NOT include the
+   multiplicative factors contributed by the number of copies specified
+   by the "copies" attribute, independent of whether the device can
+   process multiple copies without making multiple passes over the job
+   or document data and independent of whether the output is collated or
+   not.  Thus the value is independent of the implementation and
+   reflects the size of the document(s) measured in impressions
+   independent of the number of copies.
+
+   As with "job-k-octets", this value MUST also not include the
+   multiplicative factor due to a copies instruction embedded in the
+   document data.  If the document data actually includes replications
+   of the document data, this value will include such replication.  In
+   other words, this value is always the number of impressions in the
+   source document data, rather than a measure of the number of
+   impressions to be produced by the job.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 122]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3.17.3 job-media-sheets (integer(0:MAX))
+
+   This attribute specifies the total number of media sheets to be
+   produced for this job.
+
+   Unlike the "job-k-octets" and the "job-impressions" attributes, this
+   value MUST include the multiplicative factors contributed by the
+   number of copies specified by the "copies" attribute and a 'number of
+   copies' instruction embedded in the document data, if any.  This
+   difference allows the system administrator to control the lower and
+   upper bounds of both (1) the size of the document(s) with "job-k-
+   octets-supported" and "job-impressions-supported" and (2) the size of
+   the job with "job-media-sheets-supported".
+
+4.3.18 Job Progress Attributes
+
+   This sub-section defines job attributes that describe the progress of
+   the job.  These attributes are intended to be counters.  That is, the
+   value for a job that has not started processing MUST be 0.  When the
+   job's "job-state" is 'processing' or 'processing-stopped', this value
+   is intended to contain the amount of the job that has been processed
+   to the time at which the attributes are requested.  When the job
+   enters the 'completed', 'canceled', or 'aborted' states, these values
+   are the final values for the job.
+
+4.3.18.1 job-k-octets-processed (integer(0:MAX))
+
+   This attribute specifies the total number of octets processed in K
+   octets, i.e., in units of 1024 octets so far.  The value MUST be
+   rounded up, so that a job between 1 and 1024 octets inclusive MUST be
+   indicated as being 1, 1025 to 2048 inclusive MUST be 2, etc.
+
+   For implementations where multiple copies are produced by the
+   interpreter with only a single pass over the data, the final value
+   MUST be equal to the value of the "job-k-octets" attribute.  For
+   implementations where multiple copies are produced by the interpreter
+   by processing the data for each copy, the final value MUST be a
+   multiple of the value of the "job-k-octets" attribute.
+
+4.3.18.2 job-impressions-completed (integer(0:MAX))
+
+   This job attribute specifies the number of impressions completed for
+   the job so far.  For printing devices, the impressions completed
+   includes interpreting, marking, and stacking the output.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 123]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.3.18.3 job-media-sheets-completed (integer(0:MAX))
+
+   This job attribute specifies the media-sheets completed marking and
+   stacking for the entire job so far whether those sheets have been
+   processed on one side or on both.
+
+4.3.19 attributes-charset (charset)
+
+   This REQUIRED attribute is populated using the value in the client
+   supplied "attributes-charset" attribute in the create request.  It
+   identifies the charset (coded character set and encoding method) used
+   by any Job attributes with attribute syntax 'text' and 'name' that
+   were supplied by the client in the create request.  See Section 3.1.4
+   for a complete description of the "attributes-charset" operation
+   attribute.
+
+   This attribute does not indicate the charset in which the 'text' and
+   'name' values are stored internally in the Job object.  The internal
+   charset is implementation-defined.  The IPP object MUST convert from
+   whatever the internal charset is to that being requested in an
+   operation as specified in Section 3.1.4.
+
+4.3.20 attributes-natural-language (naturalLanguage)
+
+   This REQUIRED attribute is populated using the value in the client
+   supplied "attributes-natural-language" attribute in the create
+   request.  It identifies the natural language used for any Job
+   attributes with attribute syntax 'text' and 'name' that were supplied
+   by the client in the create request.  See Section 3.1.4 for a
+   complete description of the "attributes-natural-language" operation
+   attribute.  See Sections 4.1.1.2 and 4.1.2.2 for how a Natural
+   Language Override may be supplied explicitly for each 'text' and
+   'name' attribute value that differs from the value identified by the
+   "attributes-natural-language" attribute.
+
+4.4 Printer Description Attributes
+
+   These attributes form the attribute group called "printer-
+   description".  The following table summarizes these attributes, their
+   syntax, and whether or not they are REQUIRED for a Printer object to
+   support.  If they are not indicated as REQUIRED, they are OPTIONAL.
+   The maximum size in octets for 'text' and 'name' attributes is
+   indicated in parenthesizes.
+
+   Note: How these attributes are set by an Administrator is outside the
+   scope of this IPP/1.1 document.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 124]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+  +----------------------------+---------------------------+-----------+
+  |      Attribute             |     Syntax                | REQUIRED? |
+  +----------------------------+---------------------------+-----------+
+  | printer-uri-supported      | 1setOf uri                |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | uri-security-supported     | 1setOf type2 keyword      |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | uri-authentication-        | 1setOf type2 keyword      |  REQUIRED |
+  |     supported              |                           |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-name               | name (127)                |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-location           | text (127)                |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-info               | text (127)                |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-more-info          | uri                       |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-driver-installer   | uri                       |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-make-and-model     | text (127)                |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-more-info-         | uri                       |           |
+  | manufacturer               |                           |           |
+  +----------------------------+---------------------------+-----------+
+  | printer-state              | type1 enum                |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-state-reasons      | 1setOf type2 keyword      |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-state-message      | text (MAX)                |           |
+  +----------------------------+---------------------------+-----------+
+  | ipp-versions-supported     | 1setOf type2 keyword      |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | operations-supported       | 1setOf type2 enum         |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | multiple-document-jobs-    | boolean                   |           |
+  |     supported              |                           |           |
+  +----------------------------+---------------------------+-----------+
+  | charset-configured         | charset                   |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | charset-supported          | 1setOf charset            |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | natural-language-configured| naturalLanguage           |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | generated-natural-language-| 1setOf naturalLanguage    |  REQUIRED |
+  | supported                  |                           |           |
+  +----------------------------+---------------------------+-----------+
+  | document-format-default    | mimeMediaType             |  REQUIRED |
+
+
+
+Hastings, et al.            Standards Track                   [Page 125]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+  +----------------------------+---------------------------+-----------+
+  | document-format-supported  | 1setOf mimeMediaType      |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-is-accepting-jobs  | boolean                   |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | queued-job-count           | integer (0:MAX)           |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-message-from-      | text (127)                |           |
+  | operator                   |                           |           |
+  +----------------------------+---------------------------+-----------+
+  | color-supported            | boolean                   |           |
+  +----------------------------+---------------------------+-----------+
+  | reference-uri-schemes-     | 1setOf uriScheme          |           |
+  |   supported                |                           |           |
+  +----------------------------+---------------------------+-----------+
+  | pdl-override-supported     | type2 keyword             |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-up-time            | integer (1:MAX)           |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | printer-current-time       | dateTime                  |           |
+  +----------------------------+---------------------------+-----------+
+  | multiple-operation-time-out| integer (1:MAX)           |           |
+  +----------------------------+---------------------------+-----------+
+  | compression-supported      | 1setOf type3 keyword      |  REQUIRED |
+  +----------------------------+---------------------------+-----------+
+  | job-k-octets-supported     | rangeOfInteger (0:MAX)    |           |
+  +----------------------------+---------------------------+-----------+
+  | job-impressions-supported  | rangeOfInteger (0:MAX)    |           |
+  +----------------------------+---------------------------+-----------+
+  | job-media-sheets-supported | rangeOfInteger (0:MAX)    |           |
+  +----------------------------+---------------------------+-----------+
+  | pages-per-minute           | integer(0:MAX)            |           |
+  +----------------------------+---------------------------+-----------+
+  | pages-per-minute-color     | integer(0:MAX)            |           |
+  +----------------------------+---------------------------+-----------+
+
+4.4.1 printer-uri-supported (1setOf uri)
+
+   This REQUIRED Printer attribute contains at least one URI for the
+   Printer object.  It OPTIONALLY contains more than one URI for the
+   Printer object.    An administrator determines a Printer object's
+   URI(s) and configures this attribute to contain those URIs by some
+   means outside the scope of this IPP/1.1 document.  The precise format
+   of this URI is implementation dependent and depends on the protocol.
+   See the next two sections for a description of the "uri-security-
+   supported" and "uri-authentication-supported" attributes, both of
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 126]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   which are the REQUIRED companion attributes to this "printer-uri-
+   supported" attribute.  See section 2.4 on Printer object identity and
+   section 8.2 on security and URIs for more information.
+
+4.4.2 uri-authentication-supported (1setOf type2 keyword)
+
+   This REQUIRED Printer attribute MUST have the same cardinality
+   (contain the same number of values) as the "printer-uri-supported"
+   attribute.  This attribute identifies the Client Authentication
+   mechanism associated with each URI listed in the "printer-uri-
+   supported" attribute. The Printer object uses the specified mechanism
+   to identify the authenticated user (see section 8.3).  The "i th"
+   value in "uri-authentication-supported" corresponds to the "i th"
+   value in "printer-uri-supported" and it describes the authentication
+   mechanisms used by the Printer when accessed via that URI.  See
+   [RFC2910] for more details on Client Authentication.
+
+   The following standard keyword values are defined:
+
+      'none': There is no authentication mechanism associated with the
+         URI.  The Printer object assumes that the authenticated user is
+         "anonymous".
+      'requesting-user-name': When a client performs an operation whose
+         target is the associated URI, the Printer object assumes that
+         the authenticated user is specified by the "requesting-user-
+         name" Operation attribute (see section 8.3). If the
+         "requesting-user-name" attribute is absent in a request, the
+         Printer object assumes that the authenticated user is
+         "anonymous".
+      'basic': When a client performs an operation whose target is the
+         associated URI, the Printer object challenges the client with
+         HTTP basic authentication [RFC2617]. The Printer object assumes
+         that the authenticated user is the name received via the basic
+         authentication mechanism.
+      'digest': When a client performs an operation whose target is the
+         associated URI, the Printer object challenges the client with
+         HTTP digest authentication [RFC2617]. The Printer object
+         assumes that the authenticated user is the name received via
+         the digest authentication mechanism.
+      'certificate': When a client performs an operation whose target is
+         the associated URI, the Printer object expects the client to
+         provide a certificate. The Printer object assumes that the
+         authenticated user is the textual name contained within the
+         certificate.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 127]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.4.3 uri-security-supported (1setOf type2 keyword)
+
+   This REQUIRED Printer attribute MUST have the same cardinality
+   (contain the same number of values) as the "printer-uri-supported"
+   attribute.  This attribute identifies the security mechanisms used
+   for each URI listed in the "printer-uri-supported" attribute.  The "i
+   th" value in "uri-security-supported" corresponds to the "i th" value
+   in "printer-uri-supported" and it describes the security mechanisms
+   used for accessing the Printer object via that URI.  See [RFC2910]
+   for more details on security mechanisms.
+
+   The following standard keyword values are defined:
+
+      'none': There are no secure communication channel protocols in use
+         for the given URI.
+      'ssl3': SSL3 [SSL] is the secure communications channel protocol
+         in use for the given URI.
+      'tls':  TLS [RFC2246] is the secure communications channel
+         protocol in use for the given URI.
+
+   This attribute is orthogonal to the definition of a Client
+   Authentication mechanism.  Specifically, 'none' does not exclude
+   Client Authentication. See section 4.4.2.
+
+   Consider the following example.  For a single Printer object, an
+   administrator configures the "printer-uri-supported",  "uri-
+   authentication-supported" and "uri-security-supported" attributes as
+   follows:
+
+     "printer-uri-supported": 'xxx://acme.com/open-use-printer',
+        'xxx://acme.com/restricted-use-printer',
+        'xxx://acme.com/private-printer'
+     "uri-authentication-supported": 'none', 'digest', 'basic'
+     "uri-security-supported": 'none', 'none', 'tls'
+
+   Note:  'xxx'  is not a valid scheme.  See the IPP/1.1 "Transport and
+   Encoding" document [RFC2910] for the actual URI schemes to be used in
+   object target attributes.
+
+   In this case, one Printer object has three URIs.
+
+      - For the first URI, 'xxx://acme.com/open-use-printer', the value
+        'none' in "uri-security-supported" indicates that there is no
+        secure channel protocol configured to run under HTTP.  The value
+        of 'none' in "uri-authentication-supported" indicates that all
+        users are 'anonymous'.  There will be no challenge and the
+        Printer will ignore "requesting-user-name".
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 128]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - For the second URI, 'xxx://acme.com/restricted-use-printer', the
+        value 'none' in "uri-security-supported" indicates that there is
+        no secure channel protocol configured to run under HTTP. The
+        value of 'digest' in "uri-authentication-supported" indicates
+        that the Printer will issue a challenge and that the Printer
+        will use the name supplied by the digest mechanism to determine
+        the authenticated user (see section 8.3).
+      - For the third URI, 'xxx://acme.com/private-printer', the value
+        'tls' in "uri-security-supported" indicates that TLS is being
+        used to secure the channel.  The client SHOULD be prepared to
+        use TLS framing to negotiate an acceptable ciphersuite to use
+        while communicating with the Printer object.  In this case, the
+        name implies the use of a secure communications channel, but the
+        fact is made explicit by the presence of the 'tls' value in
+        "uri-security-supported".  The client does not need to resort to
+        understanding which security it must use by following naming
+        conventions or by parsing the URI to determine which security
+        mechanisms are implied.  The value of 'basic' in "uri-
+        authentication-supported" indicates that the Printer will issue
+        a challenge and that the Printer will use the name supplied by
+        the digest mechanism to determine the authenticated user (see
+        section 8.3).  Because this challenge occurs in a tls session,
+        the channel is secure.
+
+   It is expected that many IPP Printer objects will be configured to
+   support only one channel (either configured to use TLS access or not)
+   and only one authentication mechanism. Such Printer objects only have
+   one URI listed in the "printer-uri-supported" attribute.  No matter
+   the configuration of the Printer object (whether it has only one URI
+   or more than one URI), a client MUST supply only one URI in the
+   target "printer-uri" operation attribute.
+
+4.4.4 printer-name (name(127))
+
+   This REQUIRED Printer attribute contains the name of the Printer
+   object.  It is a name that is more end-user friendly than a URI. An
+   administrator determines a printer's name and sets this attribute to
+   that name. This name may be the last part of the printer's URI or it
+   may be unrelated.  In non-US-English locales, a name may contain
+   characters that are not allowed in a URI.
+
+4.4.5 printer-location (text(127))
+
+   This Printer attribute identifies the location of the device. This
+   could include things like: "in Room 123A, second floor of building
+   XYZ".
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 129]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.4.6 printer-info (text(127))
+
+   This Printer attribute identifies the descriptive information about
+   this Printer object.  This could include things like: "This printer
+   can be used for printing color transparencies for HR presentations",
+   or "Out of courtesy for others, please print only small (1-5 page)
+   jobs at this printer", or even "This printer is going away on July 1,
+   1997, please find a new printer".
+
+4.4.7 printer-more-info (uri)
+
+   This Printer attribute contains a URI used to obtain more information
+   about this specific Printer object.  For example, this could be an
+   HTTP type URI referencing an HTML page accessible to a Web Browser.
+   The information obtained from this URI is intended for end user
+   consumption.  Features outside the scope of IPP can be accessed from
+   this URI.  The information is intended to be specific to this printer
+   instance and site specific services (e.g. job pricing, services
+   offered, end user assistance). The device manufacturer may initially
+   populate this attribute.
+
+4.4.8 printer-driver-installer (uri)
+
+   This Printer attribute contains a URI to use to locate the driver
+   installer for this Printer object.   This attribute is intended for
+   consumption by automata.  The mechanics of print driver installation
+   is outside the scope of this IPP/1.1 document.  The device
+   manufacturer may initially populate this attribute.
+
+4.4.9 printer-make-and-model (text(127))
+
+   This Printer attribute identifies the make and model of the device.
+   The device manufacturer may initially populate this attribute.
+
+4.4.10 printer-more-info-manufacturer (uri)
+
+   This Printer attribute contains a URI used to obtain more information
+   about this type of device.  The information obtained from this URI is
+   intended for end user consumption.  Features outside the scope of IPP
+   can be accessed from this URI (e.g., latest firmware, upgrades, print
+   drivers, optional features available, details on color support).  The
+   information is intended to be germane to this printer without regard
+   to site specific modifications or services. The device manufacturer
+   may initially populate this attribute.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 130]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.4.11 printer-state (type1 enum)
+
+   This REQUIRED Printer attribute identifies the current state of the
+   device.  The "printer-state reasons" attribute augments the
+   "printer-state" attribute to give more detailed information about the
+   Printer in the given printer state.
+
+   A Printer object need only update this attribute before responding to
+   an operation which requests the attribute; the Printer object NEED
+   NOT update this attribute continually, since asynchronous event
+   notification is not part of IPP/1.1.  A Printer NEED NOT implement
+   all values if they are not applicable to a given implementation.
+
+   The following standard enum values are defined:
+
+   Value  Symbolic Name and Description
+
+   '3'    'idle':  Indicates that new jobs can start processing without
+                waiting.
+   '4'    'processing':  Indicates that jobs are processing; new jobs
+                will wait before processing.
+   '5'    'stopped':  Indicates that no jobs can be processed and
+                intervention is required.
+
+   Values of "printer-state-reasons", such as 'spool-area-full' and
+   'stopped-partly', MAY be used to provide further information.
+
+4.4.12 printer-state-reasons (1setOf type2 keyword)
+
+   This REQUIRED Printer attribute supplies additional detail about the
+   device's state.  Some of the these value definitions indicate
+   conformance requirements; the rest are OPTIONAL.
+
+   Each keyword value MAY have a suffix to indicate its level of
+   severity.  The three levels are: report (least severe), warning, and
+   error (most severe).
+
+      - '-report':  This suffix indicates that the reason is a "report".
+        An implementation may choose to omit some or all reports. Some
+        reports specify finer granularity about the printer state;
+        others serve as a precursor to a warning. A report MUST contain
+        nothing that could affect the printed output.
+      - '-warning': This suffix indicates that the reason is a
+        "warning".  An implementation may choose to omit some or all
+        warnings. Warnings serve as a precursor to an error. A warning
+        MUST contain nothing that prevents a job from completing, though
+        in some cases the output may be of lower quality.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 131]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - '-error': This suffix indicates that the reason is an "error".
+        An implementation MUST include all errors. If this attribute
+        contains one or more errors, printer MUST be in the stopped
+        state.
+
+   If the implementation does not add any one of the three suffixes, all
+   parties MUST assume that the reason is an "error".
+
+   If a Printer object controls more than one output device, each value
+   of this attribute MAY apply to one or more of the output devices.  An
+   error on one output device that does not stop the Printer object as a
+   whole MAY appear as a warning in the Printer's "printer-state-reasons
+   attribute".  If the "printer-state" for such a Printer has a value of
+   'stopped', then there MUST be an error reason among the values in the
+   "printer-state-reasons" attribute.
+
+   The following standard keyword values are defined:
+
+      'other': The device has detected an error other than one listed in
+         this document.
+      'none': There are not reasons. This state reason is semantically
+         equivalent to "printer-state-reasons" without any value and
+         MUST be used, since the 1setOf attribute syntax requires at
+         least one value.
+      'media-needed': A tray has run out of media.
+      'media-jam': The device has a media jam.
+      'moving-to-paused':  Someone has paused the Printer object using
+         the Pause-Printer operation (see section 3.2.7) or other means,
+         but the device(s) are taking an appreciable time to stop.
+         Later, when all output has stopped, the "printer-state" becomes
+         'stopped', and the 'paused' value replaces the 'moving-to-
+         paused' value in the "printer-state-reasons" attribute.  This
+         value MUST be supported, if the Pause-Printer operation is
+         supported and the implementation takes significant time to
+         pause a device in certain circumstances.
+      'paused': Someone has paused the Printer object using the Pause-
+         Printer operation (see section 3.2.7) or other means and the
+         Printer object's "printer-state" is 'stopped'.  In this state,
+         a Printer MUST NOT produce printed output, but it MUST perform
+         other operations requested by a client.  If a Printer had been
+         printing a job when the Printer was paused, the Printer MUST
+         resume printing that job when the Printer is no longer paused
+         and leave no evidence in the printed output of such a pause.
+         This value MUST be supported, if the Pause-Printer operation is
+         supported.
+      'shutdown': Someone has removed a Printer object from service, and
+         the device may be powered down or physically removed.  In this
+         state, a Printer object MUST NOT produce printed output, and
+
+
+
+Hastings, et al.            Standards Track                   [Page 132]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         unless the Printer object is realized by a print server that is
+         still active, the Printer object MUST perform no other
+         operations requested by a client, including returning this
+         value. If a Printer object had been printing a job when it was
+         shutdown, the Printer NEED NOT resume printing that job when
+         the Printer is no longer shutdown. If the Printer resumes
+         printing such a job, it may leave evidence in the printed
+         output of such a shutdown, e.g. the part printed before the
+         shutdown may be printed a second time after the shutdown.
+      'connecting-to-device': The Printer object has scheduled a job on
+         the output device and is in the process of connecting to a
+         shared network output device (and might not be able to actually
+         start printing the job for an arbitrarily long time depending
+         on the usage of the output device by other servers on the
+         network).
+      'timed-out': The server was able to connect to the output device
+         (or is always connected), but was unable to get a response from
+         the output device.
+      'stopping': The Printer object is in the process of stopping the
+         device and will be stopped in a while. When the device is
+         stopped, the Printer object will change the Printer object's
+         state to 'stopped'.  The 'stopping-warning' reason is never an
+         error, even for a Printer with a single output device.  When an
+         output-device ceases accepting jobs, the Printer will have this
+         reason while the output device completes printing.
+      'stopped-partly': When a Printer object controls more than one
+         output device, this reason indicates that one or more output
+         devices are stopped.  If the reason is a report, fewer than
+         half of the output devices are stopped.  If the reason is a
+         warning, fewer than all of the output devices are stopped.
+      'toner-low': The device is low on toner.
+      'toner-empty':  The device is out of toner.
+      'spool-area-full': The limit of persistent storage allocated for
+         spooling has been reached.  The Printer is temporarily unable
+         to accept more jobs.  The Printer will remove this value when
+         it is able to accept more jobs.  This value SHOULD be used by a
+         non-spooling Printer that only accepts one or a small number
+         jobs at a time or a spooling Printer that has filled the spool
+         space.
+      'cover-open': One or more covers on the device are open.
+      'interlock-open': One or more interlock devices on the printer are
+         unlocked.
+      'door-open': One or more doors on the device are open.
+      'input-tray-missing': One or more input trays are not in the
+         device.
+      'media-low': At least one input tray is low on media.
+      'media-empty': At least one input tray is empty.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 133]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      'output-tray-missing': One or more output trays are not in the
+         device
+      'output-area-almost-full': One or more output area is almost full
+         (e.g. tray, stacker, collator).
+      'output-area-full': One or more output area is full. (e.g. tray,
+         stacker, collator)
+      'marker-supply-low': The device is low on at least one marker
+         supply.  (e.g. toner, ink, ribbon)
+      'marker-supply-empty: The device is out of at least one marker
+         supply. (e.g. toner, ink, ribbon)
+      'marker-waste-almost-full': The device marker supply waste
+         receptacle is almost full.
+      'marker-waste-full': The device marker supply waste receptacle is
+         full.
+      'fuser-over-temp': The fuser temperature is above normal.
+      'fuser-under-temp': The fuser temperature is below normal.
+      'opc-near-eol': The optical photo conductor is near end of life.
+      'opc-life-over': The optical photo conductor is no longer
+         functioning.
+      'developer-low': The device is low on developer.
+      'developer-empty: The device is out of developer.
+      'interpreter-resource-unavailable': An interpreter resource is
+         unavailable (i.e. font, form)
+
+4.4.13 printer-state-message (text(MAX))
+
+   This Printer attribute specifies information about the "printer-
+   state" and "printer-state-reasons" attributes in human readable text.
+   If the Printer object supports this attribute, the Printer object
+   MUST be able to generate this message in any of the natural languages
+   identified by the Printer's "generated-natural-language-supported"
+   attribute (see the "attributes-natural-language" operation attribute
+   specified in Section 3.1.4.1).
+
+4.4.14 ipp-versions-supported (1setOf type2 keyword)
+
+   This REQUIRED attribute identifies the IPP protocol version(s) that
+   this Printer supports, including major and minor versions, i.e., the
+   version numbers for which this Printer implementation meets the
+   conformance requirements.  For version number validation, the Printer
+   matches the (two-octet binary) "version-number" parameter supplied by
+   the client in each request (see sections 3.1.1 and 3.1.8) with the
+   (US-ASCII) keyword values of this attribute.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 134]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The following standard keyword values are defined:
+
+      '1.0': Meets the conformance requirement of IPP version 1.0 as
+         specified in RFC 2566 [RFC2566] and RFC 2565 [RFC2565]
+         including any extensions registered according to Section 6 and
+         any extension defined in this version or any future version of
+         the IPP "Model and Semantics" document or the IPP "Encoding and
+         Transport" document following the rules, if any, when the
+         "version-number" parameter is '1.0'.
+      '1.1': Meets the conformance requirement of IPP version 1.1 as
+         specified in this document and [RFC2910] including any
+         extensions registered according to Section 6 and any extension
+         defined in any future versions of the IPP "Model and Semantics"
+         document or the IPP Encoding and Transport document following
+         the rules, if any, when the "version-number" parameter is
+         '1.1'.
+
+4.4.15 operations-supported (1setOf type2 enum)
+
+   This REQUIRED Printer attribute specifies the set of supported
+   operations for this Printer object and contained Job objects.
+
+   This attribute is encoded as any other enum attribute syntax
+   according to [RFC2910] as 32-bits.  However, all 32-bit enum values
+   for this attribute MUST NOT exceed 0x00008FFF, since these same
+   values are also passed in two octets in the "operation-id" parameter
+   (see section 3.1.1) in each Protocol request with the two high order
+   octets omitted in order to indicate the operation being performed
+   [RFC2910].
+
+   The following standard enum and "operation-id" (see section 3.1.2)
+   values are defined:
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 135]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+     Value               Operation Name
+     -----------------   -------------------------------------
+
+     0x0000              reserved, not used
+     0x0001              reserved, not used
+     0x0002              Print-Job
+     0x0003              Print-URI
+     0x0004              Validate-Job
+     0x0005              Create-Job
+     0x0006              Send-Document
+     0x0007              Send-URI
+     0x0008              Cancel-Job
+     0x0009              Get-Job-Attributes
+     0x000A              Get-Jobs
+     0x000B              Get-Printer-Attributes
+     0x000C              Hold-Job
+     0x000D              Release-Job
+     0x000E              Restart-Job
+     0x000F              reserved for a future operation
+     0x0010              Pause-Printer
+     0x0011              Resume-Printer
+     0x0012              Purge-Jobs
+     0x0013-0x3FFF       reserved for future IETF standards track
+                         operations (see section 6.4)
+     0x4000-0x8FFF       reserved for vendor extensions (see section 6.4)
+
+4.4.16 multiple-document-jobs-supported (boolean)
+
+   This Printer attribute indicates whether or not the Printer supports
+   more than one document per job, i.e., more than one Send-Document or
+   Send-Data operation with document data.  If the Printer supports the
+   Create-Job and Send-Document operations (see section 3.2.4 and
+   3.3.1), it MUST support this attribute.
+
+4.4.17 charset-configured (charset)
+
+   This REQUIRED Printer attribute identifies the charset that the
+   Printer object has been configured to represent 'text' and 'name'
+   Printer attributes that are set by the operator, system
+   administrator, or manufacturer, i.e., for "printer-name" (name),
+   "printer-location" (text), "printer-info" (text), and "printer-make-
+   and-model" (text).  Therefore, the value of the Printer object's
+   "charset-configured" attribute MUST also be among the values of the
+   Printer object's "charset-supported" attribute.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 136]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.4.18 charset-supported (1setOf charset)
+
+   This REQUIRED Printer attribute identifies the set of charsets that
+   the Printer and contained Job objects support in attributes with
+   attribute syntax 'text' and 'name'. At least the value 'utf-8' MUST
+   be present, since IPP objects MUST support the UTF-8 [RFC2279]
+   charset.  If a Printer object supports a charset, it means that for
+   all attributes of syntax 'text' and 'name' the IPP object MUST (1)
+   accept the charset in requests and return the charset in responses as
+   needed.
+
+   If more charsets than UTF-8 are supported, the IPP object MUST
+   perform charset conversion between the charsets as described in
+   Section 3.1.4.2.
+
+4.4.19 natural-language-configured (naturalLanguage)
+
+   This REQUIRED Printer attribute identifies the natural language that
+   the Printer object has been configured to represent 'text' and 'name'
+   Printer attributes that are set by the operator, system
+   administrator, or manufacturer, i.e., for "printer-name" (name),
+   "printer-location" (text), "printer-info" (text), and "printer-make-
+   and-model" (text).  When returning these Printer attributes, the
+   Printer object MAY return them in the configured natural language
+   specified by this attribute, instead of the natural language
+   requested by the client in the "attributes-natural-language"
+   operation attribute.  See Section 3.1.4.1 for the specification of
+   the OPTIONAL multiple natural language support.  Therefore, the value
+   of the Printer object's "natural-language-configured" attribute MUST
+   also be among the values of the Printer object's "generated-natural-
+   language-supported" attribute.
+
+4.4.20 generated-natural-language-supported (1setOf naturalLanguage)
+
+   This REQUIRED Printer attribute identifies the natural language(s)
+   that the Printer object and contained Job objects support in
+   attributes with attribute syntax 'text' and 'name'.  The natural
+   language(s) supported depends on implementation and/or configuration.
+   Unlike charsets, IPP objects MUST accept requests with any natural
+   language or any Natural Language Override whether the natural
+   language is supported or not.
+
+   If a Printer object supports a natural language, it means that for
+   any of the attributes for which the Printer or Job object generates
+   messages, i.e., for the "job-state-message" and "printer-state-
+   message" attributes and Operation Messages (see Section 3.1.5) in
+   operation responses, the Printer and Job objects MUST be able to
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 137]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   generate messages in any of the Printer's supported natural
+   languages.  See section 3.1.4 for the definition of 'text' and 'name'
+   attributes in operation requests and responses.
+
+   Note: A Printer object that supports multiple natural languages,
+   often has separate catalogs of messages, one for each natural
+   language supported.
+
+4.4.21 document-format-default (mimeMediaType)
+
+   This REQUIRED Printer attribute identifies the document format that
+   the Printer object has been configured to assume if the client does
+   not supply a "document-format" operation attribute in any of the
+   operation requests that supply document data.  The standard values
+   for this attribute are Internet Media types (sometimes called MIME
+   types).  For further details see the description of the
+   'mimeMediaType' attribute syntax in Section 4.1.9.
+
+4.4.22 document-format-supported (1setOf mimeMediaType)
+
+   This REQUIRED Printer attribute identifies the set of document
+   formats that the Printer object and contained Job objects can
+   support. For further details see the description of the
+   'mimeMediaType' attribute syntax in Section 4.1.9.
+
+4.4.23 printer-is-accepting-jobs (boolean)
+
+   This REQUIRED Printer attribute indicates whether the printer is
+   currently able to accept jobs, i.e., is accepting Print-Job, Print-
+   URI, and Create-Job requests.  If the value is 'true', the printer is
+   accepting jobs.  If the value is 'false', the Printer object is
+   currently rejecting any jobs submitted to it.  In this case, the
+   Printer object returns the 'server-error-not-accepting-jobs' status
+   code.
+
+   This value is independent of the "printer-state" and "printer-state-
+   reasons" attributes because its value does not affect the current
+   job; rather it affects future jobs.  This attribute, when 'false',
+   causes the Printer to reject jobs even when the "printer-state" is
+   'idle' or, when 'true', causes the Printer object to accepts jobs
+   even when the "printer-state" is 'stopped'.
+
+4.4.24 queued-job-count (integer(0:MAX))
+
+   This REQUIRED Printer attribute contains a count of the number of
+   jobs that are either 'pending', 'processing', 'pending-held', or
+   'processing-stopped' and is set by the Printer object.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 138]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+4.4.25 printer-message-from-operator (text(127))
+
+   This Printer attribute provides a message from an operator, system
+   administrator or "intelligent" process to indicate to the end user
+   information or status of the printer, such as why it is unavailable
+   or when it is expected to be available.
+
+4.4.26 color-supported (boolean)
+
+   This Printer attribute identifies whether the device is capable of
+   any type of color printing at all, including highlight color.  All
+   document instructions having to do with color are embedded within the
+   document PDL (none are external IPP attributes in IPP/1.1).
+
+   Note:  end-users are able to determine the nature and details of the
+   color support by querying the "printer-more-info-manufacturer"
+   Printer attribute.
+
+4.4.27 reference-uri-schemes-supported (1setOf uriScheme)
+
+   This Printer attribute specifies which URI schemes are supported for
+   use in the "document-uri" operation attribute of the Print-URI or
+   Send-URI operation.  If a Printer object supports these optional
+   operations, it MUST support the "reference-uri-schemes-supported"
+   Printer attribute with at least the following schemed URI value:
+
+      'ftp':  The Printer object will use an FTP 'get' operation as
+         defined in RFC 2228 [RFC2228] using FTP URLs as defined by
+         [RFC2396] and [RFC2316].
+
+   The Printer object MAY OPTIONALLY support other URI schemes (see
+   section 4.1.6).
+
+4.4.28 pdl-override-supported (type2 keyword)
+
+   This REQUIRED Printer attribute expresses the ability for a
+   particular Printer implementation to either attempt to override
+   document data instructions with IPP attributes or not.
+
+   This attribute takes on the following keyword values:
+
+      - 'attempted': This value indicates that the Printer object
+         attempts to make the IPP attribute values take precedence over
+         embedded instructions in the document data, however there is no
+         guarantee.
+      - 'not-attempted': This value indicates that the Printer object
+         makes no attempt to make the IPP attribute values take
+         precedence over embedded instructions in the document data.
+
+
+
+Hastings, et al.            Standards Track                   [Page 139]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Section 15 contains a full description of how this attribute
+   interacts with and affects other IPP attributes, especially the
+   "ipp-attribute-fidelity" attribute.
+
+4.4.29 printer-up-time (integer(1:MAX))
+
+   This REQUIRED Printer attribute indicates the amount of time (in
+   seconds) that this Printer instance has been up and running.  The
+   value is a monotonically increasing value starting from 1 when the
+   Printer object is started-up (initialized, booted, etc.).  This value
+   is used to populate the Event Time Job Description Job attributes
+   "time-at-creation", "time-at-processing", and "time-at-completed"
+   (see section 4.3.14).
+
+   If the Printer object goes down at some value 'n', and comes back up,
+   the implementation MAY:
+
+      1. Know how long it has been down, and resume at some value
+         greater than 'n', or
+      2. Restart from 1.
+
+   In other words, if the device or devices that the Printer object is
+   representing are restarted or power cycled, the Printer object MAY
+   continue counting this value or MAY reset this value to 1 depending
+   on implementation.  However, if the Printer object software ceases
+   running, and restarts without knowing the last value for "printer-
+   up-time", the implementation MUST reset this value to 1.  If this
+   value is reset and the Printer has persistent jobs, the Printer MUST
+   reset the "time-at-xxx(integer) Event Time Job Description attributes
+   according to Section 4.3.14.  An implementation MAY use both
+   implementation alternatives, depending on warm versus cold start,
+   respectively.
+
+4.4.30 printer-current-time (dateTime)
+
+   This Printer attribute indicates the current date and time.  This
+   value is used to populate the Event Time Job Description attributes:
+   "date-time-at-creation", "date-time-at-processing", and "date-time-
+   at-completed" (see Section 4.3.14).
+
+   The date and time is obtained on a "best efforts basis" and does not
+   have to be that precise in order to work in practice.  A Printer
+   implementation sets the value of this attribute by obtaining the date
+   and time via some implementation-dependent means, such as getting the
+   value from a network time server, initialization at time of
+   manufacture, or setting by an administrator.  See [IPP-IIG] for
+   examples.  If an implementation supports this attribute and the
+   implementation knows that it has not yet been set, then the
+
+
+
+Hastings, et al.            Standards Track                   [Page 140]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   implementation MUST return the value of this attribute using the
+   out-of-band 'no-value' meaning not configured.  See the beginning of
+   section 4.1.
+
+   The time zone of this attribute NEED NOT be the time zone used by
+   people located near the Printer object or device.  The client MUST
+   NOT expect that the time zone of any received 'dateTime' value to be
+   in the time zone of the client or in the time zone of the people
+   located near the printer.
+
+   The client SHOULD display any dateTime attributes to the user in
+   client local time by converting the 'dateTime' value returned by the
+   server to the time zone of the client, rather than using the time
+   zone returned by the Printer in attributes that use the 'dateTime'
+   attribute syntax.
+
+4.4.31 multiple-operation-time-out (integer(1:MAX))
+
+   This Printer attributes identifies the minimum time (in seconds) that
+   the Printer object waits for additional Send-Document or Send-URI
+   operations to follow a still-open Job object before taking  any
+   recovery actions, such as the ones indicated in section 3.3.1.  If
+   the Printer object supports the Create-Job and Send-Document
+   operations (see section 3.2.4 and 3.3.1), it MUST support this
+   attribute.
+
+   It is RECOMMENDED that vendors supply a value for this attribute that
+   is between 60 and 240 seconds.  An implementation MAY allow a system
+   administrator to set this attribute (by means outside this IPP/1.1
+   document).  If so, the system administrator MAY be able to set values
+   outside this range.
+
+4.4.32 compression-supported (1setOf type3 keyword)
+
+   This REQUIRED Printer attribute identifies the set of supported
+   compression algorithms for document data.  Compression only applies
+   to the document data; compression does not apply to the encoding of
+   the IPP operation itself.  The supported values are used to validate
+   the client supplied "compression" operation attributes in Print-Job,
+   Send-Document, and Send-URI requests.
+
+   Standard keyword values are :
+
+   'none': no compression is used.
+   'deflate':  ZIP public domain inflate/deflate) compression technology
+      in RFC 1951 [RFC1951]
+   'gzip' GNU zip compression technology described in RFC 1952
+      [RFC1952].
+
+
+
+Hastings, et al.            Standards Track                   [Page 141]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   'compress': UNIX compression technology in RFC 1977 [RFC1977]
+
+4.4.33 job-k-octets-supported (rangeOfInteger(0:MAX))
+
+   This Printer attribute specifies the upper and lower bounds of total
+   sizes of jobs in K octets, i.e., in units of 1024 octets. The
+   supported values are used to validate the client supplied "job-k-
+   octets" operation attributes in create requests.  The corresponding
+   job description attribute "job-k-octets" is defined in section
+   4.3.17.1.
+
+4.4.34 job-impressions-supported (rangeOfInteger(0:MAX))
+
+   This Printer attribute specifies the upper and lower bounds for the
+   number of impressions per job. The supported values are used to
+   validate the client supplied "job-impressions" operation attributes
+   in create requests.  The corresponding job description attribute
+   "job-impressions" is defined in section 4.3.17.2.
+
+4.4.35 job-media-sheets-supported (rangeOfInteger(0:MAX))
+
+   This Printer attribute specifies the upper and lower bounds for the
+   number of media sheets per job. The supported values are used to
+   validate the client supplied "job-media-sheets" operation attributes
+   in create requests.  The corresponding Job attribute "job-media-
+   sheets" is defined in section 4.3.17.3.
+
+4.4.36 pages-per-minute (integer(0:MAX))
+
+   This Printer attributes specifies the nominal number of pages per
+   minute to the nearest whole number which may be generated by this
+   printer (e.g., simplex, black-and-white).  This attribute is
+   informative, not a service guarantee.  Generally, it is the value
+   used in the marketing literature to describe the device.
+
+   A value of 0 indicates a device that takes more than two minutes to
+   process a page.
+
+4.4.37 pages-per-minute-color (integer(0:MAX))
+
+   This Printer attributes specifies the nominal number of pages per
+   minute to the nearest whole number which may be generated by this
+   printer when printing color (e.g., simplex, color).  For purposes of
+   this attribute, "color" means the same as for the "color-supported"
+   attribute, namely, the device is capable of any type of color
+   printing at all, including highlight color.  This attribute is
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 142]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   informative, not a service guarantee.  Generally, it is the value
+   used in the marketing literature to describe the color capabilities
+   of this device.
+
+   A value of 0 indicates a device that takes more than two minutes to
+   process a page.
+
+   If a color device has several color modes, it MAY use the pages-per-
+   minute value for this attribute that corresponds to the mode that
+   produces the highest number.
+
+   Black and white only printers MUST NOT support this attribute.  If
+   this attribute is present, then the "color-supported" Printer
+   description attribute MUST be present and have a 'true' value.
+
+   The values of these two attributes returned by the Get-Printer-
+   Attributes operation MAY be affected by the "document-format"
+   attribute supplied by the client in the Get-Printer-Attributes
+   request.  In other words, the implementation MAY have different
+   speeds depending on the document format being processed.  See section
+   3.2.5.1 Get-Printer-Attributes.
+
+5. Conformance
+
+   This section describes conformance issues and requirements. This
+   document introduces model entities such as objects, operations,
+   attributes, attribute syntaxes, and attribute values.  These
+   conformance sections describe the conformance requirements which
+   apply to these model entities.
+
+5.1 Client Conformance Requirements
+
+   This section describes the conformance requirements for a client (see
+   section 2.1), whether it be:
+
+      1. contained within software controlled by an end user, e.g.
+         activated by the "Print" menu item in an application that sends
+         IPP requests or
+
+      2. the print server component that sends IPP requests to either an
+         output device or another "downstream" print server.
+
+   A conforming client MUST support all REQUIRED operations as defined
+   in this document.  For each attribute included in an operation
+   request, a conforming client MUST supply a value whose type and value
+   syntax conforms to the requirements of the Model document as
+   specified in Sections 3 and 4.  A conforming client MAY supply any
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 143]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   IETF standards track extensions and/or vendor extensions in an
+   operation request, as long as the extensions meet the requirements in
+   Section 6.
+
+   Otherwise, there are no conformance requirements placed on the user
+   interfaces provided by IPP clients or their applications.  For
+   example, one application might not allow an end user to submit
+   multiple documents per job, while another does.  One application
+   might first query a Printer object in order to supply a graphical
+   user interface (GUI) dialogue box with supported and default values
+   whereas a different implementation might not.
+
+   When sending a request, an IPP client NEED NOT supply any attributes
+   that are indicated as OPTIONALLY supplied by the client.
+
+   A client MUST be able to accept any of the attribute syntaxes defined
+   in Section 4.1, including their full range, that may be returned to
+   it in a response from a Printer object.  In particular for each
+   attribute that the client supports whose attribute syntax is 'text',
+   the client MUST accept and process both the 'textWithoutLanguage' and
+   'textWithLanguage' forms.  Similarly, for each attribute that the
+   client supports whose attribute syntax is 'name', the client MUST
+   accept and process both the 'nameWithoutLanguage' and
+   'nameWithLanguage' forms.  For presentation purposes, truncation of
+   long attribute values is not recommended.  A recommended approach
+   would be for the client implementation to allow the user to scroll
+   through long attribute values.
+
+   A response MAY contain attribute groups, attributes, attribute
+   syntaxes, values, and status codes that the client does not expect.
+   Therefore, a client implementation MUST gracefully handle such
+   responses and not refuse to inter-operate with a conforming Printer
+   that is returning IETF standards track extension or vendor
+   extensions, including attribute groups, attributes, attribute
+   syntaxes, attribute values, status codes, and out-of-band attribute
+   values that conform to Section 6.  Clients may choose to ignore any
+   parameters, attribute groups, attributes, attribute syntaxes, or
+   values that they do not understand.
+
+   While a client is sending data to a printer, it SHOULD do its best to
+   prevent a channel from being closed by a lower layer when the channel
+   is blocked (i.e. flow-controlled off) for whatever reason, e.g. 'out
+   of paper' or 'job ahead hasn't freed up enough memory'.  However, the
+   layer that launched the print submission (e.g. an end user) MAY close
+   the channel in order to cancel the job.  When a client closes a
+   channel, a Printer MAY print all or part of the received portion of
+   the document.  See the "Encoding and Transport" document [RFC2910]
+   for more details.
+
+
+
+Hastings, et al.            Standards Track                   [Page 144]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   A client MUST support Client Authentication as defined in the IPP/1.1
+   Encoding and Transport document [RFC2910].  A client SHOULD support
+   Operation Privacy and Server Authentication as defined in the IPP/1.1
+   Encoding and Transport document [RFC2910].  See also section 8 of
+   this document.
+
+5.2 IPP Object Conformance Requirements
+
+   This section specifies the conformance requirements for conforming
+   implementations of IPP objects (see section 2).  These requirements
+   apply to an IPP object whether it is:
+
+      (1) an (embedded) device component that accepts IPP requests and
+      controls the device or
+
+      (2) a component of a print server that accepts IPP requests (where
+      the print server control one or more networked devices using IPP or
+      other protocols).
+
+5.2.1 Objects
+
+   Conforming implementations MUST implement all of the model objects as
+   defined in this document in the indicated sections:
+
+      Section 2.1 - Printer Object
+      Section 2.2 - Job Object
+
+5.2.2 Operations
+
+   Conforming IPP object implementations MUST implement all of the
+   REQUIRED model operations, including REQUIRED responses, as defined
+   in this document in the indicated sections:
+
+      For a Printer object:
+         Print-Job (section 3.2.1)               REQUIRED
+         Print-URI (section 3.2.2)               OPTIONAL
+         Validate-Job (section 3.2.3)            REQUIRED
+         Create-Job (section 3.2.4)              OPTIONAL
+         Get-Printer-Attributes (section 3.2.5)  REQUIRED
+         Get-Jobs (section 3.2.6)                REQUIRED
+         Pause-Printer (section 3.2.7)           OPTIONAL
+         Resume-Printer (section 3.2.8)          OPTIONAL
+         Purge-Jobs (section 3.2.9)              OPTIONAL
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 145]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      For a Job object:
+         Send-Document (section 3.3.1)           OPTIONAL
+         Send-URI (section 3.3.2)                OPTIONAL
+         Cancel-Job (section 3.3.3)              REQUIRED
+         Get-Job-Attributes (section 3.3.4)      REQUIRED
+         Hold-Job (section 3.3.5)                OPTIONAL
+         Release-Job (section 3.3.6)             OPTIONAL
+         Restart-Job (section 3.3.7)             OPTIONAL
+
+   Conforming IPP objects MUST support all REQUIRED operation attributes
+   and all values of such attributes if so indicated in the description.
+   Conforming IPP objects MUST ignore all unsupported or unknown
+   operation attributes or operation attribute groups received in a
+   request, but MUST reject a request that contains a supported
+   operation attribute that contains an unsupported value.
+
+   Conforming IPP objects MAY return operation responses that contain
+   attributes groups, attributes names,  attribute syntaxes, attribute
+   values, and status codes that are extensions to this standard.  The
+   additional attribute groups MAY occur in any order.
+
+   The following section on object attributes specifies the support
+   required for object attributes.
+
+5.2.3 IPP Object Attributes
+
+   Conforming IPP objects MUST support all of the REQUIRED object
+   attributes, as defined in this document in the indicated sections.
+
+   If an object supports an attribute, it MUST support only those values
+   specified in this document or through the extension mechanism
+   described in section 5.2.4. It MAY support any non-empty subset of
+   these values.  That is, it MUST support at least one of the specified
+   values and at most all of them.
+
+5.2.4 Versions
+
+   IPP/1.1 clients MUST meet the conformance requirements for clients
+   specified in this document and [RFC2910].  IPP/1.1 clients MUST send
+   requests containing a "version-number" parameter with a '1.1' value.
+
+   IPP/1.1 Printer and Job objects MUST meet the conformance
+   requirements for IPP objects specified in this document and
+   [RFC2910].   IPP/1.1 objects MUST accept requests containing a
+   "version-number" parameter with a '1.1' value (or reject the request
+   if the operation is not supported).
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 146]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   It is beyond the scope of this specification to mandate conformance
+   with previous versions.  IPP/1.1 was deliberately designed, however,
+   to make supporting previous versions easy.  It is worth noting that,
+   at the time of composing this specification (1999), we would expect
+   IPP/1.1 Printer implementations to:
+
+     understand any valid request in the format of IPP/1.0, or 1.1;
+
+     respond appropriately with a response containing the same
+     "version-number" parameter value used by the client in the request.
+
+   And we would expect IPP/1.1 clients to:
+
+     understand any valid response in the format of IPP/1.0, or 1.1.
+
+   It is recommended that IPP/1.1 clients try supplying alternate
+   version numbers if they receive a 'server-error-version-not-
+   supported' error return in a response.
+
+5.2.5 Extensions
+
+   A conforming IPP object MAY support IETF standards track extensions
+   and vendor extensions, as long as the extensions meet the
+   requirements specified in Section 6.
+
+   For each attribute included in an operation response, a conforming
+   IPP object MUST return a value whose type and value syntax conforms
+   to the requirement of the Model document as specified in Sections 3
+   and 4.
+
+5.2.6 Attribute Syntaxes
+
+   An IPP object MUST be able to accept any of the attribute syntaxes
+   defined in Section 4.1, including their full range, in any operation
+   in which a client may supply attributes or the system administrator
+   may configure attributes (by means outside the scope of this IPP/1.1
+   document).  In particular for each attribute that the IPP object
+   supports whose attribute syntax is 'text', the IPP object MUST accept
+   and process both the 'textWithoutLanguage' and 'textWithLanguage'
+   forms.  Similarly, for each attribute that the IPP object supports
+   whose attribute syntax is 'name', the IPP object MUST accept and
+   process both the 'nameWithoutLanguage' and 'nameWithLanguage' forms.
+   Furthermore, an IPP object MUST return attributes to the client in
+   operation responses that conform to the syntax specified in Section
+   4.1, including their full range if supplied previously by a client.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 147]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+5.2.7 Security
+
+   An IPP Printer implementation SHOULD contain support for Client
+   Authentication as defined in the IPP/1.1 Encoding and Transport
+   document [RFC2910].  A Printer implementation MAY allow an
+   administrator to configure the Printer so that all, some, or none of
+   the users are authenticated.  See also section 8 of this document.
+
+   An IPP Printer implementation SHOULD contain support for Operation
+   Privacy and Server Authentication as defined in the IPP/1.1 Encoding
+   and Transport document [RFC2910].  A Printer implementation MAY allow
+   an administrator to configure the degree of support for Operation
+   Privacy and Server Authentication.  See also section 8 of this
+   document.
+
+   Security MUST NOT be compromised when a client supplies a lower
+   "version-number" parameter in a request.  For example, if an IPP/1.1
+   conforming Printer object accepts version '1.0' requests and is
+   configured to enforce Digest Authentication, it MUST do the same for
+   a version '1.0' request.
+
+5.3 Charset and Natural Language Requirements
+
+   All clients and IPP objects MUST support the 'utf-8' charset as
+   defined in section 4.1.7.
+
+   IPP objects MUST be able to accept any client request which correctly
+   uses the "attributes-natural-language" operation attribute or the
+   Natural Language Override mechanism on any individual attribute
+   whether or not the natural language is supported by the IPP object.
+   If an IPP object supports a natural language, then it MUST be able to
+   translate (perhaps by table lookup) all generated 'text' or 'name'
+   attribute values into one of the supported languages (see section
+   3.1.4).  That is, the IPP object that supports a natural language
+   NEED NOT be a general purpose translator of any arbitrary 'text' or
+   'name' value supplied by the client into that natural language.
+   However, the object MUST be able to translate (automatically
+   generate) any of its own attribute values and messages into that
+   natural language.
+
+6. IANA Considerations
+
+   This section describes the procedures for defining semantics for the
+   following IETF standards track extensions and vendor extensions to
+   the IPP/1.1 Model and Semantics document:
+
+      1. keyword attribute values
+      2. enum attribute values
+
+
+
+Hastings, et al.            Standards Track                   [Page 148]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      3. attributes
+      4. attribute syntaxes
+      5. operations
+      6. attribute groups
+      7. status codes
+      8. out-of-band attribute values
+
+   Extensions registered for use with IPP/1.1 are OPTIONAL for client
+   and IPP object conformance to the IPP/1.1 "Model and Semantics"
+   document (this document).
+
+   These extension procedures are aligned with the guidelines as set
+   forth by the IESG [IANA-CON].  Section 11 describes how to propose
+   new registrations for consideration.  IANA will reject registration
+   proposals that leave out required information or do not follow the
+   appropriate format described in Section 11.  The IPP/1.1 Model and
+   Semantics document may also be extended by an appropriate RFC that
+   specifies any of the above extensions.
+
+6.1 Typed 'keyword' and 'enum' Extensions
+
+   IPP allows for 'keyword' and 'enum' extensions (see sections 4.1.2.3
+   and 4.1.4).  This document uses prefixes to the 'keyword' and 'enum'
+   basic attribute syntax type in order to communicate extra information
+   to the reader through its name. This extra information is not
+   represented in the protocol because it is unimportant to a client or
+   Printer object.  The list below describes the prefixes and their
+   meaning.
+
+      "type1":  This IPP specification document must be revised (or
+         another IETF standards track document which augments this
+         document) to add a new keyword or a new enum.  No vendor
+         defined keywords or enums are allowed.
+
+      "type2":  Implementers can, at any time, add new keyword or enum
+         values by proposing the complete specification to IANA:
+
+         iana@iana.org
+
+         IANA will forward the registration proposal to the IPP
+         Designated Expert who will review the proposal with a mailing
+         list that the Designated Expert keeps for this purpose.
+         Initially, that list will be the mailing list used by the IPP
+         WG:
+
+            ipp@pwg.org
+
+         even after the IPP WG is disbanded as permitted by [IANA-CON].
+
+
+
+Hastings, et al.            Standards Track                   [Page 149]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         The IPP Designated Expert is appointed by the IESG Area
+         Director responsible for IPP, according to [IANA-CON].
+
+         When a type2 keyword or enum is approved, the IPP Designated
+         Expert becomes the point of contact for any future maintenance
+         that might be required for that registration.
+
+      "type3":  Implementers can, at any time, add new keyword and enum
+         values by submitting the complete specification to IANA as for
+         type2 who will forward the proposal to the IPP Designated
+         Expert.  While no additional technical review is required, the
+         IPP Designated Expert may, at his/her discretion, forward the
+         proposal to the same mailing list as for type2 registrations
+         for advice and comment.
+
+         When a type3 keyword or enum is approved by the IPP Designated
+         Expert, the original proposer becomes the point of contact for
+         any future maintenance that might be required for that
+         registration.
+
+   For type2 and type3 keywords, the proposer includes the name of the
+   keyword in the registration proposal and the name is part of the
+   technical review.
+
+   After type2 and type3 enums specifications are approved, the IPP
+   Designated Expert in consultation with IANA assigns the next
+   available enum number for each enum value.
+
+   IANA will publish approved type2 and type3 keyword and enum
+   attributes value registration specifications in:
+
+      ftp.isi.edu/iana/assignments/ipp/attribute-values/xxx/yyy.txt
+
+   where xxx is the attribute name that specifies the initial values and
+   yyy.txt is a descriptive file name that contains one or more enums or
+   keywords approved at the same time.  For example, if several
+   additional enums for stapling are approved for use with the
+   "finishings" attribute (and "finishings-default" and "finishings-
+   supported" attributes), IANA will publish the additional values in
+   the file:
+
+      ftp.isi.edu/iana/assignments/ipp/attribute-
+      values/finishings/stapling.txt
+
+   Note: Some attributes are defined to be: 'type3 keywords' | 'name'
+   which allows for attribute values to be extended by a site
+   administrator with administrator defined names.  Such names are not
+   registered with IANA.
+
+
+
+Hastings, et al.            Standards Track                   [Page 150]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   By definition, each of the three types above assert some sort of
+   registry or review process in order for extensions to be considered
+   valid.  Each higher numbered level (1, 2, 3) tends to be decreasingly
+   less stringent than the previous level.   Therefore, any typeN value
+   MAY be registered using a process for some typeM where M is less than
+   N, however such registration is NOT REQUIRED.  For example, a type3
+   value MAY be registered in a type 1 manner (by being included in a
+   future version of an IPP specification), however, it is NOT REQUIRED.
+
+   This document defines keyword and enum values for all of the above
+   types, including type3 keywords.
+
+   For vendor keyword extensions, implementers SHOULD use keywords with
+   a suitable distinguishing prefix, such as "xxx-" where xxx follows
+   the syntax rules for keywords (see section 4.1.3) and is the
+   (lowercase) fully qualified company name registered with IANA for use
+   in domain names [RFC1035].  For example, if the company XYZ Corp. had
+   obtained the domain name "XYZ.com", then a vendor keyword 'abc' would
+   be: 'xyz.com-abc'.
+
+   Note: RFC 1035 [RFC1035] indicates that while upper and lower case
+   letters are allowed in domain names, no significance is attached to
+   the case.  That is, two names with the same spelling but different
+   case are to be treated as if identical.  Also, the labels in a domain
+   name must follow the rules for ARPANET host names:  They must start
+   with a letter, end with a letter or digit, and have as interior
+   characters only letters, digits, and hyphen.  Labels must be 63
+   characters or less.  Labels are separated by the "." character.
+
+   For vendor enum extensions, implementers MUST use values in the
+   reserved integer range which is 2**30 to 2**31-1.
+
+6.2 Attribute Extensibility
+
+   Attribute names (see section 4.1.3) are type2 keywords.  Therefore,
+   new attributes may be registered and have the same status as
+   attributes in this document by following the type2 extension rules.
+   For vendor attribute extensions, implementers SHOULD use keywords
+   with a suitable distinguishing prefix as described in Section 6.1.
+
+   IANA will publish approved attribute registration specifications as
+   separate files:
+
+      ftp.isi.edu/iana/assignments/ipp/attributes/xxx-yyy.txt
+
+   where "xxx-yyy" is the new attribute name.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 151]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   If a new Printer object attribute is defined and its values can be
+   affected by a specific document format, its specification needs to
+   contain the following sentence:
+
+         "The value of this attribute returned in a Get-Printer-
+         Attributes response MAY depend on the "document-format"
+         attribute supplied (see Section 3.2.5.1)."
+
+   If the specification does not, then its value in the Get-Printer-
+   Attributes response MUST NOT depend on the "document-format" supplied
+   in the request.  When a new Job Template attribute is registered, the
+   value of the Printer attributes MAY vary with "document-format"
+   supplied in the request without the specification having to indicate
+   so.
+
+6.3 Attribute Syntax Extensibility
+
+   Attribute syntaxes (see section 4.1) are like type2 enums.
+   Therefore, new attribute syntaxes may be registered and have the same
+   status as attribute syntaxes in this document by following the type2
+   extension rules described in Section 6.1.  The initial set of value
+   codes that identify each of the attribute syntaxes have been assigned
+   in the "Encoding and Transport" document [RFC2910], including a
+   designated range for vendor extension.
+
+   For attribute syntaxes, the IPP Designated Expert in consultation
+   with IANA assigns the next attribute syntax code in the appropriate
+   range as specified in [RFC2910].  IANA will publish approved
+   attribute syntax registration specifications as separate files:
+
+      ftp.isi.edu/iana/assignments/ipp/attribute-syntaxes/xxx-yyy.txt
+
+   where 'xxx-yyy' is the new attribute syntax name.
+
+6.4 Operation Extensibility
+
+   Operations (see section 3) may also be registered following the type2
+   procedures described in Section 6.1, though major new operations will
+   usually be done by a new standards track RFC that augments this
+   document.  For vendor operation extensions, implementers MUST use the
+   range for the "operation-id" in requests specified in Section 4.4.15
+   "operations-supported" Printer attribute.
+
+   For operations, the IPP Designated Expert in consultation with IANA
+   assigns the next operation-id code as specified in Section 4.4.15.
+   IANA will publish approved operation registration specifications as
+   separate files:
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 152]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      ftp.isi.edu/iana/assignments/ipp/operations/Xxx-Yyy.txt
+
+   where "Xxx-Yyy" is the new operation name.
+
+6.5 Attribute Group Extensibility
+
+   Attribute groups (see section 3.1.3) passed in requests and responses
+   may be registered following the type2 procedures described in Section
+   6.1.  The initial set of attribute group tags have been assigned in
+   the "Encoding and Transport" document [RFC2910], including a
+   designated range for vendor extension.
+
+   For attribute groups, the IPP Designated Expert in consultation with
+   IANA assigns the next attribute group tag code in the appropriate
+   range as specified in [RFC2910].  IANA will publish approved
+   attribute group registration specifications as separate files:
+
+      ftp.isi.edu/iana/assignments/ipp/attribute-group-tags/xxx-yyy-
+      tag.txt
+
+   where 'xxx-yyy-tag' is the new attribute group tag name.
+
+6.6 Status Code Extensibility
+
+   Operation status codes (see section 3.1.6.1) may also be registered
+   following the type2 procedures described in Section 6.1.  The values
+   for status codes are allocated in ranges as specified in Section 14
+   for each status code class:
+
+      "informational" - Request received, continuing process
+      "successful" - The action was successfully received, understood, and
+         accepted
+      "redirection" - Further action must be taken in order to complete the
+         request
+      "client-error" - The request contains bad syntax or cannot be
+         fulfilled
+      "server-error" - The IPP object  failed to fulfill an apparently
+         valid request
+
+   For vendor operation status code extensions, implementers MUST use
+   the top of each range as specified in Section 13.
+
+   For operation status codes, the IPP Designated Expert in consultation
+   with IANA assigns the next status code in the appropriate class range
+   as specified in Section 13.  IANA will publish approved status code
+   registration specifications as separate files:
+
+      ftp.isi.edu/iana/assignments/ipp/status-codes/xxx-yyy.txt
+
+
+
+Hastings, et al.            Standards Track                   [Page 153]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   where "xxx-yyy" is the new operation status code keyword.
+
+6.7 Out-of-band Attribute Value Extensibility
+
+   Out-of-band attribute values (see the beginning of section 4.1)
+   passed in requests and responses may be registered following the
+   type2 procedures described in Section 6.1.  The initial set of out-
+   of-band attribute value tags have been assigned in the "Encoding and
+   Transport" document [RFC2910].
+
+   For out-of-band attribute value tags, the IPP Designated Expert in
+   consultation with IANA assigns the next out-of-band attribute value
+   tag code in the appropriate range as specified in [RFC2910].  IANA
+   will publish approved out-of-band attribute value tags registration
+   specifications as separate files:
+
+      ftp.isi.edu/iana/assignments/ipp/out-of-band-attribute-value-
+      tags/xxx-yyy-tag.txt
+
+   where 'xxx-yyy-tag' is the new out-of-band attribute value tag name.
+
+6.8 Registration of MIME types/sub-types for document-formats
+
+   The "document-format" attribute's syntax is 'mimeMediaType'.  This
+   means that valid values are Internet Media Types (see Section 4.1.9).
+   RFC 2045 [RFC2045] defines the syntax for valid Internet media types.
+   IANA is the registry for all Internet media types.
+
+6.9 Registration of charsets for use in 'charset' attribute values
+
+   The "attributes-charset" attribute's syntax is 'charset'.  This means
+   that valid values are charsets names.  When a charset in the IANA
+   registry has more than one name (alias), the name labeled as
+   "(preferred MIME name)", if present, MUST be used (see Section
+   4.1.7).  IANA is the registry for charsets following the procedures
+   of [RFC2278].
+
+7. Internationalization Considerations
+
+   Some of the attributes have values that are text strings and names
+   which are intended for human understanding rather than machine
+   understanding (see the 'text' and 'name' attribute syntaxes in
+   Sections 4.1.1 and 4.1.2).
+
+   In each operation request, the client
+
+      - identifies the charset and natural language of the request which
+        affects each supplied 'text' and 'name' attribute value, and
+
+
+
+Hastings, et al.            Standards Track                   [Page 154]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - requests the charset and natural language for attributes
+        returned by the IPP object in operation responses (as described
+        in Section 3.1.4.1).
+
+   In addition, the client MAY separately and individually identify the
+   Natural Language Override of a supplied 'text' or 'name' attribute
+   using the 'textWithLanguage' and 'nameWithLanguage' technique
+   described section 4.1.1.2 and 4.1.2.2 respectively.
+
+   All IPP objects MUST support the UTF-8 [RFC2279] charset in all
+   'text' and 'name' attributes supported.  If an IPP object supports
+   more than the UTF-8 charset, the object MUST convert between them in
+   order to return the requested charset to the client according to
+   Section 3.1.4.2.  If an IPP object supports more than one natural
+   language, the object SHOULD return 'text' and 'name' values in the
+   natural language requested where those values are generated by the
+   Printer (see Section 3.1.4.1).
+
+   For Printers that support multiple charsets and/or multiple natural
+   languages in 'text' and 'name' attributes, different jobs may have
+   been submitted in differing charsets and/or natural languages.  All
+   responses MUST be returned in the charset requested by the client.
+   However, the Get-Jobs operation uses the 'textWithLanguage' and
+   'nameWithLanguage' mechanism to identify the differing natural
+   languages with each job attribute returned.
+
+   The Printer object also has configured charset and natural language
+   attributes.   The client can query the Printer object to determine
+   the list of charsets and natural languages supported by the Printer
+   object and what the Printer object's configured values are.  See the
+   "charset-configured", "charset-supported", "natural-language-
+   configured", and "generated-natural-language-supported" Printer
+   description attributes for more details.
+
+   The "charset-supported" attributed identifies the supported charsets.
+   If a charset is supported, the IPP object MUST be capable of
+   converting to and from that charset into any other supported charset.
+   In many cases, an IPP object will support only one charset and it
+   MUST be the UTF-8 charset.
+
+   The "charset-configured" attribute identifies the one supported
+   charset which is the native charset given the current configuration
+   of the IPP object (administrator defined).
+
+   The "generated-natural-language-supported" attribute identifies the
+   set of supported natural languages for generated messages; it is not
+   related to the set of natural languages that must be accepted for
+   client supplied 'text' and 'name' attributes.  For client supplied
+
+
+
+Hastings, et al.            Standards Track                   [Page 155]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   'text' and 'name' attributes, an IPP object MUST accept ALL supplied
+   natural languages.  Just because a Printer object is currently
+   configured to support 'en-us' natural language does not mean that the
+   Printer object should reject a job if the client supplies a job name
+   that is in 'fr-ca'.
+
+   The "natural-language-configured" attribute identifies the one
+   supported natural language for generated messages which is the native
+   natural language given the current configuration of the IPP object
+   (administrator defined).
+
+   Attributes of type 'text' and 'name' are populated from different
+   sources.  These attributes can be categorized into following groups
+   (depending on the source of the attribute):
+
+      1. Some attributes are supplied by the client (e.g., the client
+         supplied "job-name", "document-name", and "requesting-user-
+         name" operation attributes along with the corresponding Job
+         object's "job-name" and "job-originating-user-name"
+         attributes).  The IPP object MUST accept these attributes in
+         any natural language no matter what the set of supported
+         languages for generated messages
+      2. Some attributes are supplied by the system administrator (e.g.,
+         the Printer object's "printer-name" and "printer-location"
+         attributes).  These too can be in any natural language.  If the
+         natural language for these attributes is different than what a
+         client requests, then they must be reported using the Natural
+         Language Override mechanism.
+      3. Some attributes are supplied by the device manufacturer (e.g.,
+         the Printer object's "printer-make-and-model" attribute).
+         These too can be in any natural language.  If the natural
+         language for these attributes is different than what a client
+         requests, then they must be reported using the Natural Language
+         Override mechanism.
+      4. Some attributes are supplied by the operator (e.g., the Job
+         object's "job-message-from-operator" attribute). These too can
+         be in any natural language.  If the natural language for these
+         attributes is different than what a client requests, then they
+         must be reported using the Natural Language Override mechanism.
+      5. Some attributes are generated by the IPP object (e.g., the Job
+         object's "job-state-message" attribute, the Printer object's
+         "printer-state-message" attribute, and the "status-message"
+         operation attribute).  These attributes can only be in one of
+         the "generated-natural-language-supported" natural languages.
+         If a client requests some natural language for these attributes
+         other than one of the supported values, the IPP object SHOULD
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 156]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         respond using the value of the "natural-language-configured"
+         attribute (using the Natural Language Override mechanism if
+         needed).
+
+   The 'text' and 'name' attributes specified in this version of this
+   document (additional ones will be registered according to the
+   procedures in Section 6) are:
+
+                    Attributes                            Source
+
+   Operation Attributes:
+        job-name (name)                         client
+        document-name (name)                    client
+        requesting-user-name (name)             client
+        status-message (text)                   Job or Printer object
+        detailed-status-message (text)          Job or Printer object -
+                                                see rule 1
+        document-access-error (text)            Job or Printer object -
+                                                see rule 1
+
+   Job Template Attributes:
+        job-hold-until (keyword | name)         client matches
+                                                administrator-configured
+        job-hold-until-default (keyword | name) client matches
+                                                administrator-configured
+        job-hold-until-supported (keyword |     client matches
+        name)                                   administrator-configured
+        job-sheets (keyword | name)             client matches
+                                                administrator-configured
+        job-sheets-default (keyword | name)     client matches
+                                                administrator-configured
+        job-sheets-supported (keyword | name)   client matches
+                                                administrator-configured
+        media (keyword | name)                  client matches
+                                                administrator-configured
+        media-default (keyword | name)          client matches
+                                                administrator-configured
+        media-supported (keyword | name)        client matches
+                                                administrator-configured
+        media-ready (keyword | name)            client matches
+                                                administrator-configured
+
+   Job Description Attributes:
+        job-name (name)                         client or Printer object
+        job-originating-user-name (name)        Printer object
+        job-state-message (text)                Job or Printer object
+        output-device-assigned (name(127))      administrator
+        job-message-from-operator (text(127))   operator
+
+
+
+Hastings, et al.            Standards Track                   [Page 157]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+        job-detailed-status-messages (1setOf    Job or Printer object -
+        text)                                   see rule 1
+        job-document-access-errors (1setOf      Job or Printer object -
+        text)                                   see rule 1
+
+   Printer Description Attributes:
+        printer-name (name(127))                administrator
+        printer-location (text(127))            administrator
+        printer-info (text(127))                administrator
+        printer-make-and-model (text(127))      administrator or
+                                                manufacturer
+        printer-state-message (text)            Printer object
+        printer-message-from-operator           operator
+        (text(127))
+
+   Rule 1 - Neither the Printer nor the client localizes these message
+   attributes, since they are intended for use by the system
+   administrator or other experienced technical persons.
+
+8. Security Considerations
+
+   It is difficult to anticipate the security risks that might exist in
+   any given IPP environment. For example, if IPP is used within a given
+   corporation over a private network, the risks of exposing document
+   data may be low enough that the corporation will choose not to use
+   encryption on that data.  However, if the connection between the
+   client and the IPP object is over a public network, the client may
+   wish to protect the content of the information during transmission
+   through the network with encryption.
+
+   Furthermore, the value of the information being printed may vary from
+   one IPP environment to the next. Printing payroll checks, for
+   example, would have a different value than printing public
+   information from a file.  There is also the possibly of denial-of-
+   service attacks, but denial-of-service attacks against printing
+   resources are not well understood and there is no published
+   precedents regarding this scenario.
+
+   Once the authenticated identity of the requester has been supplied to
+   the IPP object, the object uses that identity to enforce any
+   authorization policy that might be in place.  For example, one site's
+   policy might be that only the job owner is allowed to cancel a job.
+   The details and mechanisms to set up a particular access control
+   policy are not part of IPP/1.1, and must be established via some
+   other type of administrative or access control framework.  However,
+   there are operation status codes that allow an IPP server to return
+   information back to a client about any potential access control
+   violations for an IPP object.
+
+
+
+Hastings, et al.            Standards Track                   [Page 158]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   During a create operation, the client's identity is recorded in the
+   Job object in an implementation-defined attribute.  This information
+   can be used to verify a client's identity for subsequent operations
+   on that Job object in order to enforce any access control policy that
+   might be in effect.  See section 8.3 below for more details.
+
+   Since the security levels or the specific threats that an IPP system
+   administrator may be concerned with cannot be anticipated, IPP MUST
+   be capable of operating with different security mechanisms and
+   security policies as required by the individual installation.
+   Security policies might vary from very strong, to very weak, to none
+   at all, and corresponding security mechanisms will be required.
+
+8.1 Security Scenarios
+
+   The following sections describe specific security attacks for IPP
+   environments.  Where examples are provided they should be considered
+   illustrative of the environment and not an exhaustive set. Not all of
+   these environments will necessarily be addressed in initial
+   implementations of IPP.
+
+8.1.1 Client and Server in the Same Security Domain
+
+   This environment is typical of internal networks where traditional
+   office workers print the output of personal productivity applications
+   on shared work-group printers, or where batch applications print
+   their output on large production printers. Although the identity of
+   the user may be trusted in this environment, a user might want to
+   protect the content of a document against such attacks as
+   eavesdropping, replaying or tampering.
+
+8.1.2 Client and Server in Different Security Domains
+
+   Examples of this environment include printing a document created by
+   the client on a publicly available printer, such as at a commercial
+   print shop; or printing a document remotely on a business associate's
+   printer.  This latter operation is functionally equivalent to sending
+   the document to the business associate as a facsimile. Printing
+   sensitive information on a Printer in a different security domain
+   requires strong security measures. In this environment authentication
+   of the printer is required as well as protection against unauthorized
+   use of print resources. Since the document crosses security domains,
+   protection against eavesdropping and document tampering are also
+   required. It will also be important in this environment to protect
+   Printers against "spamming" and malicious document content.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 159]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+8.1.3 Print by Reference
+
+   When the document is not stored on the client, printing can be done
+   by reference. That is, the print request can contain a reference, or
+   pointer, to the document instead of the actual document itself (see
+   sections 3.2.2 and 3.3.2). Standard methods currently do not exist
+   for remote entities to "assume" the credentials of a client for
+   forwarding requests to a 3rd party. It is anticipated that Print-By-
+   Reference will be used to access "public" documents and that
+   sophisticated methods for authenticating "proxies" is not specified
+   in this document.
+
+8.2 URIs in Operation, Job, and Printer attributes
+
+   The "printer-uri-supported" attribute contains the Printer object's
+   URI(s).  Its companion attribute, "uri-security-supported",
+   identifies the security mechanism used for each URI listed in the
+   "printer-uri-supported" attribute.  For each Printer operation
+   request, a client MUST supply only one URI in the "printer-uri"
+   operation attribute.  In other words, even though the Printer
+   supports more than one URI, the client only interacts with the
+   Printer object using one if its URIs.  This duality is not needed for
+   Job objects, since the Printer objects is the factory for Job
+   objects, and the Printer object will generate the correct URI for new
+   Job objects depending on the Printer object's security configuration.
+
+8.3 URIs for each authentication mechanisms
+
+   Each URI has an authentication mechanism associated with it. If the
+   URI is the i'th element of "printer-uri-supported", then
+   authentication mechanism is the "i th" element of "uri-
+   authentication-supported". For a list of possible authentication
+   mechanisms, see section 4.4.2.
+
+   The Printer object uses an authentication mechanism to determine the
+   name of the user performing an operation. This user is called the
+   "authenticated user". The credibility of authentication depends on
+   the mechanism that the Printer uses to obtain the user's name. When
+   the authentication mechanism is 'none', all authenticated users are
+   "anonymous".
+
+   During job creation operations, the Printer initializes the value of
+   the "job-originating-user-name" attribute (see section 4.3.6) to be
+   the authenticated user. The authenticated user is this case is called
+   the "job owner".
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 160]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   If an implementation can be configured to support more than one
+   authentication mechanism (see section 4.4.2), then it MUST implement
+   rules for determining equality of authenticated user names which have
+   been authenticated via different authentication mechanisms.  One
+   possible policy is that identical names that are authenticated via
+   different mechanisms are different.  For example, a user can cancel
+   his job only if he uses the same authentication mechanism for both
+   Cancel-Job and Print-Job.  Another policy is that identical names
+   that are authenticated via different mechanism are the same if the
+   authentication mechanism for the later operation is not less strong
+   than the authentication mechanism for the earlier job creation
+   operation.  For example, a user can cancel his job only if he uses
+   the same or stronger authentication mechanism for Cancel-Job and
+   Print-Job. With this second policy a job submitted via 'requesting-
+   user-name' authentication could be canceled via 'digest'
+   authentication. With the first policy, the job could not be canceled
+   in this way.
+
+   A client is able to determine the authentication mechanism used to
+   create a job. It is the i'th value of the Printer's "uri-
+   authentication-supported" attribute (see section 4.4.2), where i is
+   the index of the element of the Printer's "printer-uri-supported"
+   attribute (see section 4.4.1) equal to the job's "job-printer-uri"
+   attribute (see section 4.3.3).
+
+8.4 Restricted Queries
+
+   In many IPP operations, a client supplies a list of attributes to be
+   returned in the response.  For security reasons, an IPP object may be
+   configured not to return all attributes (or all values) that a client
+   requests.  The job attributes returned MAY depend on whether the
+   requesting user is the same as the user that submitted the job. The
+   IPP object MAY even return none of the requested attributes. In such
+   cases, the status returned is the same as if the object had returned
+   all requested attributes.  The client cannot tell by such a response
+   whether the requested attribute was present or absent on the object.
+
+8.5 Operations performed by operators and system administrators
+
+   For the three printer operations Pause-Printer, Resume-Printer, and
+   Purge-Jobs (see sections 3.2.7, 3.2.8 and 3.2.9), the requesting user
+   is intended to be an operator or administrator of the Printer object
+   (see section 1).  Otherwise, the IPP Printer MUST reject the
+   operation and return:  'client-error-forbidden', 'client-error-not-
+   authenticated', or 'client-error-not-authorized' as appropriate.  For
+   operations on jobs, the requesting user is intended to be the job
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 161]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   owner or may be an operator or administrator of the Printer object.
+   The means for authorizing an operator or administrator of the Printer
+   object are not specified in this document.
+
+8.6 Queries on jobs submitted using non-IPP protocols
+
+   If the device that an IPP Printer is representing is able to accept
+   jobs using other job submission protocols in addition to IPP, it is
+   RECOMMENDED that such an implementation at least allow such "foreign"
+   jobs to be queried using Get-Jobs returning "job-id" and "job-uri" as
+   'unknown'.  Such an implementation NEED NOT support all of the same
+   IPP job attributes as for IPP jobs.  The IPP object returns the
+   'unknown' out-of-band value for any requested attribute of a foreign
+   job that is supported for IPP jobs, but not for foreign jobs.
+
+   It is further RECOMMENDED, that the IPP Printer generate "job-id" and
+   "job-uri" values for such "foreign jobs", if possible, so that they
+   may be targets of other IPP operations, such as Get-Job-Attributes
+   and Cancel-Job.  Such an implementation also needs to deal with the
+   problem of authentication of such foreign jobs.  One approach would
+   be to treat all such foreign jobs as belonging to users other than
+   the user of the IPP client.  Another approach would be for the
+   foreign job to belong to 'anonymous'.  Only if the IPP client has
+   been authenticated as an operator or administrator of the IPP Printer
+   object, could the foreign jobs be queried by an IPP request.
+   Alternatively, if the security policy is to allow users to query
+   other users' jobs, then the foreign jobs would also be visible to an
+   end-user IPP client using Get-Jobs and Get-Job-Attributes.
+
+9. References
+
+   [ASME-Y14.1M] Metric Drawing Sheet Size and Format, ASME Y14.1M-1995.
+                 This standard defines metric sheet sizes and formats
+                 for engineering drawings.
+
+   [ASCII]       Coded Character Set - 7-bit American Standard Code for
+                 Information Interchange (ASCII), ANSI X3.4-1986. This
+                 standard is the specification of the US-ASCII charset.
+
+   [BCP-11]      Bradner S. and R. Hovey, "The Organizations Involved in
+                 the IETF Standards Process", BCP 11, RFC 2028, October
+                 1996.
+
+   [HTPP]        J. Barnett, K. Carter, R. DeBry,  "Initial Draft -
+                 Hypertext Printing Protocol - HTPP/1.0", October 1996,
+              ftp://ftp.pwg.org/pub/pwg/ipp/historic/htpp/overview.ps.gz
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 162]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   [IANA-CON]    Narten, T. and H. Alvestrand, "Guidelines for Writing
+                 an IANA Considerations Section in RFCs", BCP 26, RFC
+                 2434, October 1998.
+
+   [IANA-CS]     IANA Registry of Coded Character Sets:
+                 ftp://ftp.isi.edu/in-notes/iana/assignments/character-
+                 sets
+
+   [IANA-MT]     IANA Registry of Media Types:  ftp://ftp.isi.edu/in-
+                 notes/iana/assignments/media-types/
+
+   [IPP-IIG]     Hastings, T., Manros, C., Kugler, C., Holst, H., and P.
+                 Zehler, "Internet Printing Protocol/1.1:  draft-ietf-
+                 ipp-implementers-guide-v11-01.txt, work in progress,
+                 May 30, 2000.
+
+   [ISO10646-1]  ISO/IEC 10646-1:1993, "Information technology --
+                 Universal Multiple-Octet Coded Character Set (UCS) -
+                 Part 1: Architecture and Basic Multilingual Plane,
+                 JTC1/SC2."
+
+   [ISO8859-1]   ISO/IEC 8859-1:1987, "Information technology -- 8-bit
+                 One-Byte Coded Character Set - Part 1: Latin Alphabet
+                 Nr 1", 1987, JTC1/SC2.
+
+   [ISO10175]    ISO/IEC 10175 Document Printing Application (DPA), June
+                 1996.
+
+   [LDPA]        T. Hastings,  S. Isaacson,  M. MacKay, C. Manros, D.
+                 Taylor, P. Zehler,  "LDPA - Lightweight Document
+                 Printing Application", October 1996,
+              ftp://ftp.pwg.org/pub/pwg/ipp/historic/ldpa/ldpa8.pdf.gz
+
+   [P1387.4]     Kirk, M. (editor), POSIX System Administration - Part
+                 4:  Printing Interfaces, POSIX 1387.4 D8, 1994.
+
+   [PSIS]        Herriot, R. (editor), X/Open A Printing System
+                 Interoperability Specification (PSIS), August 1995.
+
+   [PWG]         Printer Working Group, http://www.pwg.org.
+
+   [RFC1035]     Mockapetris, P., "Domain Names - Implementation and
+                 Specification", STD 13, RFC 1035, November 1987.
+
+   [RFC1179]     McLaughlin, L., "Line Printer Daemon Protocol", RFC
+                 1179, August 1990.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 163]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   [RFC1759]     Smith, R., Wright, F., Hastings, T., Zilles, S. and J.
+                 Gyllenskog, "Printer MIB", RFC 1759, March 1995.
+
+   [RFC1766]     Alvestrand, H., "Tags for the Identification of
+                 Languages", RFC 1766, March 1995.
+
+   [RFC1951]     Deutsch, P., "DEFLATE Compressed Data Format
+                 Specification version 1.3 ", RFC 1951, May 1996.
+
+   [RFC1952]     Deutsch, P., "GZIP file format specification version
+                 4.3", RFC 1952, May 1996.
+
+   [RFC1977]     Schryver, V., "PPP BSD Compression Protocol", RFC 1977,
+                 August 1996.
+
+   [RFC2026]     Bradner, S., "The Internet Standards Process --
+                 Revision 3", BCP 9, RFC 2026, October 1996.
+
+   [RFC2045]     Freed, N. and  N. Borenstein, ", Multipurpose Internet
+                 Mail Extensions (MIME) Part One: Format of Internet
+                 Message Bodies", RFC 2045, November 1996.
+
+   [RFC2046]     Freed, N. and N. Borenstein, "Multipurpose Internet
+                 Mail Extensions (MIME) Part Two: Media Types", RFC
+                 2046, November 1996.
+
+   [RFC2048]     Freed, N., Klensin, J. and J. Postel, "Multipurpose
+                 Internet Mail Extension (MIME) Part Four: Registration
+                 Procedures", RFC 2048, November 1996.
+
+   [RFC2119]     Bradner, S., "Key words for use in RFCs to Indicate
+                 Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+   [RFC2228]     Horowitz, M. and S. Lunt, "FTP Security Extensions",
+                 RFC 2228, October 1997.
+
+   [RFC2246]     Dierks, T. and C. Allen, "The TLS Protocol Version
+                 1.0", RFC 2246, January 1999.
+
+   [RFC2277]     Alvestrand, H., "IETF Policy on Character Sets and
+                 Languages" BCP 18, RFC 2277, January 1998.
+
+   [RFC2278]     Freed, N. and J. Postel: "IANA CharSet Registration
+                 Procedures", BCP 19, RFC 2278, January 1998.
+
+   [RFC2279]     Yergeau, F., "UTF-8, a transformation format of ISO
+                 10646", RFC 2279, January 1998.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 164]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   [RFC2316]     Bellovin, S., "Report of the IAB Security Architecture
+                 Workshop", RFC 2316, April 1998.
+
+   [RFC2396]     Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform
+                 Resource Identifiers (URI): Generic Syntax", RFC 2396,
+                 August 1998.
+
+   [RFC2565]     Herriot, R., Butler, S., Moore, P. and R. Turner,
+                 "Internet Printing Protocol/1.0: Encoding and
+                 Transport", RFC 2565, April 1999.
+
+   [RFC2566]     deBry, R., Hastings, T., Herriot, R., Isaacson, S. and
+                 P. Powell, "Internet Printing Protocol/1.0: Model and
+                 Semantics", RFC 2566, April 1999.
+
+   [RFC2567]     Wright, D., "Design Goals for an Internet Printing
+                 Protocol", RFC 2567, April 1999.
+
+   [RFC2568]     Zilles, S., "Rationale for the Structure and Model and
+                 Protocol for the Internet Printing Protocol", RFC 2568,
+                 April 1999.
+
+   [RFC2569]     Herriot, R., Hastings, T., Jacobs, N. and J. Martin,
+                 "Mapping between LPD and IPP Protocols", RFC 2569,
+                 April 1999.
+
+   [RFC2579]     McCloghrie, K., Perkins, D. and J. Schoenwaelder,
+                 "Textual Conventions for SMIv2", STD 58, RFC 2579,
+                 April 1999.
+
+   [RFC2616]     Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,
+                 Masinter, L., Leach, P. and T. Berners-Lee, "Hypertext
+                 Transfer Protocol - HTTP/1.1", RFC 2616, June 1999.
+
+   [RFC2617]     Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence,
+                 S., Leach, P., Luotonen, A. and L. Stewart, "HTTP
+                 Authentication:  Basic and Digest Access
+                 Authentication", RFC 2617, June 1999.
+
+   [RFC2639]     Hastings, T. and C. Manros, "Internet Printing
+                 Protocol/1.0: Encoding and Transport", RFC 2639, July
+                 1999.
+
+   [RFC2910]     Herriot, R., Butler, S., Moore, P., Turner, R. and J.
+                 Wenn, "Internet Printing Protocol/1.1: Encoding and
+                 Transport", RFC 2910, September 2000.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 165]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   [SSL]         Netscape, The SSL Protocol, Version 3, (Text version
+                 3.02), November 1996.
+
+   [SWP]         P. Moore, B. Jahromi, S. Butler, "Simple Web Printing
+                 SWP/1.0", May 7, 1997,
+                 ftp://ftp.pwg.org/pub/pwg/ipp/new_PRO/swp9705.pdf
+
+10. Authors' Addresses
+
+   Scott A. Isaacson, Editor
+   Novell, Inc.
+   122 E 1700 S
+   Provo, UT   84606
+
+   Phone: 801-861-7366
+   Fax:   801-861-2517
+   EMail: sisaacson@novell.com
+
+
+   Tom Hastings
+   Xerox Corporation
+   737 Hawaii St.  ESAE 231
+   El Segundo, CA   90245
+
+   Phone: 310-333-6413
+   Fax:   310-333-5514
+   EMail: hastings@cp10.es.xerox.com
+
+
+   Robert Herriot
+   Xerox Corp.
+   3400 Hill View Ave, Building 1
+   Palo Alto, CA 94304
+
+   Phone: 650-813-7696
+   Fax:  650-813-6860
+   EMail: robert.herriot@pahv.xerox.com
+
+
+   Roger deBry
+   Utah Valley State College
+   Orem, UT 84058
+
+   Phone: (801) 222-8000
+   EMail: debryro@uvsc.edu
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 166]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Patrick Powell
+   Astart Technologies
+   9475 Chesapeake Dr., Suite D
+   San Diego, CA  95123
+
+   Phone: (619) 874-6543
+   Fax:   (619) 279-8424
+   EMail: papowell@astart.com
+
+   IPP Web Page:  http://www.pwg.org/ipp/
+   IPP Mailing List:  ipp@pwg.org
+
+   To subscribe to the ipp mailing list, send the following email:
+      1) send it to majordomo@pwg.org
+      2) leave the subject line blank
+      3) put the following two lines in the message body:
+            subscribe ipp
+            end
+
+   Implementers of this specification document are encouraged to join
+   IPP Mailing List in order to participate in any discussions of
+   clarification issues and review of registration proposals for
+   additional attributes and values.
+
+   Other Participants:
+
+   Chuck Adams - Tektronix             Shivaun Albright - HP
+   Stefan Andersson - Axis             Jeff Barnett - IBM
+   Ron Bergman - Hitachi Koki Imaging  Dennis Carney - IBM
+   Systems
+   Keith Carter - IBM                  Angelo Caruso - Xerox
+   Rajesh Chawla - TR Computing        Nancy Chen - Okidata
+   Solutions
+   Josh Cohen - Microsoft              Jeff Copeland - QMS
+   Andy Davidson - Tektronix           Roger deBry - IBM
+   Maulik Desai - Auco                 Mabry Dozier - QMS
+   Lee Farrell - Canon Information     Satoshi Fujitami - Ricoh
+   Systems
+   Steve Gebert - IBM                  Sue Gleeson - Digital
+   Charles Gordon - Osicom             Brian Grimshaw - Apple
+   Jerry Hadsell - IBM                 Richard Hart - Digital
+   Tom Hastings - Xerox                Henrik Holst - I-data
+   Stephen Holmstead                   Zhi-Hong Huang - Zenographics
+   Scott Isaacson - Novell             Babek Jahromi - Microsoft
+   Swen Johnson - Xerox                David Kellerman - Northlake
+                                       Software
+   Robert Kline - TrueSpectra          Charles Kong - Panasonic
+   Carl Kugler - IBM                   Dave Kuntz - Hewlett-Packard
+
+
+
+Hastings, et al.            Standards Track                   [Page 167]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Takami Kurono - Brother             Rick Landau - Digital
+   Scott Lawrence - Agranot Systems    Greg LeClair - Epson
+   Dwight Lewis - Lexmark              Harry Lewis - IBM
+   Tony Liao - Vivid Image             Roy Lomicka - Digital
+   Pete Loya - HP                      Ray Lutz - Cognisys
+   Mike MacKay - Novell, Inc.          David Manchala - Xerox
+   Carl-Uno Manros - Xerox             Jay Martin - Underscore
+   Stan McConnell - Xerox              Larry Masinter - Xerox
+   Sandra Matts - Hewlett Packard      Peter Michalek - Shinesoft
+   Ira McDonald - High North Inc.      Mike Moldovan - G3 Nova
+   Tetsuya Morita - Ricoh              Yuichi Niwa - Ricoh
+   Pat Nogay - IBM                     Ron Norton - Printronics
+   Hugo Parra, Novell                  Bob Pentecost - Hewlett-Packard
+   Patrick Powell - Astart             Jeff Rackowitz - Intermec
+   Technologies
+   Eric Random - Peerless              Rob Rhoads - Intel
+   Xavier Riley - Xerox                Gary Roberts - Ricoh
+   David Roach - Unisys                Stuart Rowley - Kyocera
+   Yuji Sasaki - Japan Computer        Richard Schneider - Epson
+   Industry
+   Kris Schoff - HP                    Katsuaki Sekiguchi - Canon
+   Bob Setterbo - Adobe                Gail Songer - Peerless
+   Hideki Tanaka - Cannon              Devon Taylor - Novell
+   Mike Timperman - Lexmark            Atsushi Uchino - Epson
+   Shigeru Ueda - Canon                Bob Von Andel - Allegro Software
+   William Wagner - NetSilicon/DPI     Jim Walker - DAZEL
+   Chris Wellens - Interworking Labs   Trevor Wells - Hewlett Packard
+   Craig Whittle - Sharp Labs          Rob Whittle - Novell, Inc.
+   Jasper Wong - Xionics               Don Wright - Lexmark
+   Michael Wu - Heidelberg Digital     Rick Yardumian - Xerox
+   Michael Yeung - Toshiba             Lloyd Young - Lexmark
+   Atsushi Yuki - Kyocera              Peter Zehler - Xerox
+   William Zhang- Canon Information    Frank Zhao - Panasonic
+   Systems
+   Steve Zilles - Adobe                Rob Zirnstein - Canon Information
+                                       Systems
+
+11. Formats for IPP Registration Proposals
+
+   In order to propose an IPP extension for registration, the proposer
+   must submit an application to IANA by email to "iana@iana.org" or by
+   filling out the appropriate form on the IANA web pages
+   (http://www.iana.org).  This section specifies the required
+   information and the formats for proposing registrations of extensions
+   to IPP as provided in Section 6 for:
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 168]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      1. type2 'keyword' attribute values
+      2. type3 'keyword' attribute values
+      3. type2 'enum' attribute values
+      4. type3 'enum' attribute values
+      5. attributes
+      6. attribute syntaxes
+      7. operations
+      8. status codes
+      9. out-of-band attribute values
+
+11.1 Type2 keyword attribute values registration,
+
+   Type of registration:  type2 keyword attribute value
+   Name of attribute to which this keyword specification is to be added:
+   Proposed keyword name of this keyword value:
+   Specification of this keyword value (follow the style of IPP Model
+   Section 4.1.2.3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type2 keywords, the Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.2 Type3 keyword attribute values registration
+
+   Type of registration:  type3 keyword attribute value
+   Name of attribute to which this keyword specification is to be added:
+   Proposed keyword name of this keyword value:
+   Specification of this keyword value (follow the style of IPP Model
+   Section 4.1.2.3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type3 keywords, the proposer will be the point of contact
+   for the approved registration specification, if any maintenance of
+   the registration specification is needed.
+
+11.3 Type2 enum attribute values registration
+
+   Type of registration:  type2 enum attribute value
+   Name of attribute to which this enum specification is to be added:
+   Keyword symbolic name of this enum value:
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 169]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Specification of this enum value (follow the style of IPP Model
+   Section 4.1.4):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type2 enums, the Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.4 Type3 enum attribute values registration
+
+   Type of registration:  type3 enum attribute value
+   Name of attribute to which this enum specification is to be added:
+   Keyword symbolic name of this enum value:
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+   Specification of this enum value (follow the style of IPP Model
+   Section 4.1.4):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For type3 enums, the proposer will be the point of contact for
+   the approved registration specification, if any maintenance of the
+   registration specification is needed.
+
+11.5 Attribute registration
+
+   Type of registration:  attribute
+   Proposed keyword name of this attribute:
+   Types of attribute (Operation, Job Template, Job Description, Printer
+   Description):
+   Operations to be used with if the attribute is an operation attribute:
+   Object (Job, Printer, etc. if bound to an object):
+   Attribute syntax(es) (include 1setOf and range as in Section 4.2):
+   If attribute syntax is 'keyword' or 'enum', is it type2 or type3:
+   If this is a Printer attribute, MAY the value returned depend on
+   "document-format" (See Section 6.2):
+   If this is a Job Template attribute, how does its specification depend
+   on the value of the "multiple-document-handling" attribute:
+   Specification of this attribute (follow the style of IPP Model Section
+   4.2):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 170]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Note:  For attributes, the IPP Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.6 Attribute Syntax registration
+
+   Type of registration:  attribute syntax
+   Proposed name of this attribute syntax:
+   Type of attribute syntax (integer, octetString, character-string,  see
+   [RFC2910]):
+   Numeric tag according to [RFC2910] (to be assigned by the IPP
+   Designated Expert in consultation with IANA):
+   Specification of this attribute (follow the style of IPP Model Section
+   4.1):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For attribute syntaxes, the IPP Designated Expert will be the
+   point of contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.7 Operation registration
+
+   Type of registration:  operation
+   Proposed name of this operation:
+   Numeric operation-id value according to section 4.4.15 (to be assigned
+   by the IPP Designated Expert in consultation with IANA):
+   Object Target (Job, Printer, etc. that operation is upon):
+   Specification of this operation (follow the style of IPP Model Section
+   3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For operations, the IPP Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.8 Attribute Group registration
+
+   Type of registration:  attribute group
+   Proposed name of this attribute group:
+   Numeric tag according to [RFC2910] (to be assigned by the IPP
+   Designated Expert in consultation with IANA):
+   Operation requests and group number for each operation in which the
+   attribute group occurs:
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 171]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Operation responses and group number for each operation in which the
+   attribute group occurs:
+   Specification of this attribute group (follow the style of IPP Model
+   Section 3):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For attribute groups, the IPP Designated Expert will be the
+   point of contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.9 Status code registration
+
+   Type of registration:  status code
+   Keyword symbolic name of this status code value:
+   Numeric value (to be assigned by the IPP Designated Expert in
+   consultation with IANA):
+   Operations that this status code may be used with:
+   Specification of this status code (follow the style of IPP Model
+   Section 13 APPENDIX B:  Status Codes and Suggested Status Code
+   Messages):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For status codes, the Designated Expert will be the point of
+   contact for the approved registration specification, if any
+   maintenance of the registration specification is needed.
+
+11.10 Out-of-band Attribute Value registration
+
+   Type of registration:  out-of-band attribute value
+   Proposed name of this out-of-band attribute value:
+   Numeric tag according to [RFC2910] (to be assigned by the IPP Designated
+   Expert in consultation with IANA):
+   Operations that this out-of-band attribute value may be used with:
+   Attributes that this out-of-band attribute value may be used with:
+   Specification of this out-of-band attribute value (follow the style of
+   the beginning of IPP Model Section 4.1):
+   Name of proposer:
+   Address of proposer:
+   Email address of proposer:
+
+   Note:  For out-of-band attribute values, the IPP Designated Expert
+   will be the point of contact for the approved registration
+   specification, if any maintenance of the registration specification
+   is needed.
+
+
+
+Hastings, et al.            Standards Track                   [Page 172]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+12. APPENDIX A: Terminology
+
+   This specification document uses the terminology defined in this
+   section.
+
+12.1 Conformance Terminology
+
+   The key words "MUST", "MUST NOT", "REQUIRED", "SHOULD", "SHOULD NOT",
+   "RECOMMENDED", "MAY", and  "OPTIONAL" in this document are to be
+   interpreted as described in RFC 2119 [RFC2119].
+
+12.1.1 NEED NOT
+
+   This term is not included in RFC 2119.  The verb "NEED NOT" indicates
+   an action that the subject of the sentence does not have to implement
+   in order to claim conformance to the standard.  The verb "NEED NOT"
+   is used instead of "MAY NOT" since "MAY NOT" sounds like a
+   prohibition.
+
+12.2 Model Terminology
+
+12.2.1 Keyword
+
+   Keywords are used within this document as identifiers of semantic
+   entities within the abstract model (see section 4.1.2.3).  Attribute
+   names, some attribute values, attribute syntaxes, and attribute group
+   names are represented as keywords.
+
+12.2.2 Attributes
+
+   An attribute is an item of information that is associated with an
+   instance of an IPP object.  An attribute consists of an attribute
+   name and one or more attribute values.  Each attribute has a specific
+   attribute syntax.  All object attributes are defined in section 4 and
+   all operation attributes are defined in section 3.
+
+   Job Template Attributes are described in section 4.2. The client
+   optionally supplies Job Template attributes in a create request
+   (operation requests that create Job objects).  The Printer object has
+   associated attributes which define supported and default values for
+   the Printer.
+
+12.2.2.1 Attribute Name
+
+   Each attribute is uniquely identified in this document by its
+   attribute name.  An attribute name is a keyword.  The keyword
+   attribute name is given in the section header describing that
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 173]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   attribute.  In running text in this document, attribute names are
+   indicated inside double quotation marks (") where the quotation marks
+   are not part of the keyword itself.
+
+12.2.2.2 Attribute Group Name
+
+   Related attributes are grouped into named groups.  The name of the
+   group is a keyword.  The group name may be used in place of naming
+   all the attributes in the group explicitly.  Attribute groups are
+   defined in section 3.
+
+12.2.2.3 Attribute Value
+
+   Each attribute has one or more values.  Attribute values are
+   represented in the syntax type specified for that attribute. In
+   running text in this document, attribute values are indicated inside
+   single quotation marks ('), whether their attribute syntax is
+   keyword, integer, text, etc.  where the quotation marks are not part
+   of the value itself.
+
+12.2.2.4 Attribute Syntax
+
+   Each attribute is defined using an explicit syntax type.  In this
+   document, each syntax type is defined as a keyword with specific
+   meaning.  The "Encoding and Transport" document [RFC2910] indicates
+   the actual "on-the-wire" encoding rules for each syntax type.
+   Attribute syntax types are defined in section 4.1.
+
+12.2.3 Supports
+
+   By definition, a Printer object supports an attribute only if that
+   Printer object responds with the corresponding attribute populated
+   with some value(s) in a response to a query for that attribute.  A
+   Printer object supports an attribute value if the value is one of the
+   Printer object's "supported values" attributes.  The device behind a
+   Printer object may exhibit a behavior that corresponds to some IPP
+   attribute, but if the Printer object, when queried for that
+   attribute, doesn't respond with the attribute, then as far as IPP is
+   concerned, that implementation does not support that feature. If the
+   Printer object's "xxx-supported" attribute is not populated with a
+   particular value (even if that value is a legal value for that
+   attribute), then that Printer object does not support that particular
+   value.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 174]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   A conforming implementation MUST support all REQUIRED attributes.
+   However, even for REQUIRED attributes, conformance to IPP does not
+   mandate that all implementations support all possible values
+   representing all possible job processing behaviors and features.  For
+   example, if a given instance of a Printer supports only certain
+   document formats, then that Printer responds with the "document-
+   format-supported" attribute populated with a set of values, possibly
+   only one, taken from the entire set of possible values defined for
+   that attribute. This limited set of values represents the Printer's
+   set of supported document formats.  Supporting an attribute and some
+   set of values for that attribute enables IPP end users to be aware of
+   and make use of those features associated with that attribute and
+   those values.  If an implementation chooses to not support an
+   attribute or some specific value, then IPP end users would have no
+   ability to make use of that feature within the context of IPP itself.
+   However, due to existing practice and legacy systems which are not
+   IPP aware, there might be some other mechanism outside the scope of
+   IPP to control or request the "unsupported" feature (such as embedded
+   instructions within the document data itself).
+
+   For example, consider the "finishings-supported" attribute.
+
+      1) If a Printer object is not physically capable of stapling, the
+         "finishings-supported" attribute MUST NOT be populated with the
+         value of 'staple'.
+      2) A Printer object is physically capable of stapling, however an
+         implementation chooses not to support stapling in the IPP
+         "finishings" attribute.  In this case, 'staple' MUST NOT be a
+         value in the "finishings-supported" Printer object attribute.
+         Without support for the value 'staple', an IPP end user would
+         have no means within the protocol itself to request that a Job
+         be stapled.  However, an existing document data formatter might
+         be able to request that the document be stapled directly with
+         an embedded instruction within the document data.  In this
+         case, the IPP implementation does not "support" stapling,
+         however the end user is still able to have some control over
+         the stapling of the completed job.
+      3) A Printer object is physically capable of stapling, and an
+         implementation chooses to support stapling in the IPP
+         "finishings" attribute. In this case, 'staple' MUST be a value
+         in the "finishings-supported" Printer object attribute. Doing
+         so, would enable end users to be aware of and make use of the
+         stapling feature using IPP attributes.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 175]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Even though support for Job Template attributes by a Printer object
+   is OPTIONAL, it is RECOMMENDED that if the device behind a Printer
+   object is capable of realizing any feature or function that
+   corresponds to an IPP attribute and some associated value, then that
+   implementation SHOULD support that IPP attribute and value.
+
+   The set of values in any of the supported value attributes is set
+   (populated) by some administrative process or automatic sensing
+   mechanism that is outside the scope of this IPP/1.1 document.  For
+   administrative policy and control reasons, an administrator may
+   choose to make only a subset of possible values visible to the end
+   user.  In this case, the real output device behind the IPP Printer
+   abstraction may be capable of a certain feature, however an
+   administrator is specifying that access to that feature not be
+   exposed to the end user through the IPP protocol.  Also, since a
+   Printer object may represent a logical print device (not just a
+   physical device) the actual process for supporting a value is
+   undefined and left up to the implementation.  However, if a Printer
+   object supports a value, some manual human action may be needed to
+   realize the semantic action associated with the value, but no end
+   user action is required.
+
+   For example, if one of the values in the "finishings-supported"
+   attribute is 'staple', the actual process might be an automatic
+   staple action by a physical device controlled by some command sent to
+   the device.  Or, the actual process of stapling might be a manual
+   action by an operator at an operator attended Printer object.
+
+   For another example of how supported attributes function, consider a
+   system administrator who desires to control all print jobs so that no
+   job sheets are printed in order to conserve paper.  To force no job
+   sheets, the system administrator sets the only supported value for
+   the "job-sheets-supported" attribute to 'none'.  In this case, if a
+   client requests anything except 'none', the create request is
+   rejected or the "job-sheets" value is ignored (depending on the value
+   of "ipp-attribute-fidelity").  To force the use of job start/end
+   sheets on all jobs, the administrator does not include the value
+   'none' in the "job-sheets- supported" attribute.  In this case, if a
+   client requests 'none', the create request is rejected or the "job-
+   sheets" value is ignored (again depending on the value of "ipp-
+   attribute-fidelity").
+
+12.2.4 print-stream page
+
+   A "print-stream page" is a page according to the definition of pages
+   in the language used to express the document data.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 176]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+12.2.5 impression
+
+   An "impression" is the image (possibly many print-stream pages in
+   different configurations) imposed onto a single media page.
+
+13. APPENDIX B:  Status Codes and Suggested Status Code Messages
+
+   This section defines status code enum keywords and values that are
+   used to provide semantic information on the results of an operation
+   request.  Each operation response MUST include a status code.  The
+   response MAY also contain a status message that provides a short
+   textual description of the status.  The status code is intended for
+   use by automata, and the status message is intended for the human end
+   user.  Since the status message is an OPTIONAL component of the
+   operation response, an IPP application (i.e., a browser, GUI, print
+   driver or gateway) is NOT REQUIRED to examine or display the status
+   message, since it MAY not be returned to the application.
+
+   The prefix of the status keyword defines the class of response as
+   follows:
+
+      "informational" - Request received, continuing process
+      "successful" - The action was successfully received, understood,
+         and accepted
+      "redirection" - Further action must be taken in order to complete
+         the request
+      "client-error" - The request contains bad syntax or cannot be
+         fulfilled
+      "server-error" - The IPP object  failed to fulfill an apparently
+         valid request
+
+   As with type2 enums, IPP status codes are extensible.  IPP clients
+   are NOT REQUIRED to understand the meaning of all registered status
+   codes, though such understanding is obviously desirable.  However,
+   IPP clients MUST understand the class of any status code, as
+   indicated by the prefix, and treat any unrecognized response as being
+   equivalent to the first status code of that class, with the exception
+   that an unrecognized response MUST NOT be cached.  For example, if an
+   unrecognized status code of "client-error-xxx-yyy" is received by the
+   client, it can safely assume that there was something wrong with its
+   request and treat the response as if it had received a "client-
+   error-bad-request" status code.  In such cases, IPP applications
+   SHOULD present the OPTIONAL message (if present) to the end user
+   since the message is likely to contain human readable information
+   which will help to explain the unusual status.  The name of the enum
+   is the suggested status message for US English.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 177]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The status code values range from 0x0000 to 0x7FFF.  The value ranges
+   for each status code class are as follows:
+
+      "successful" - 0x0000 to 0x00FF
+      "informational" - 0x0100 to 0x01FF
+      "redirection" - 0x0200 to 0x02FF
+      "client-error" - 0x0400 to 0x04FF
+      "server-error" - 0x0500 to 0x05FF
+
+   The top half (128 values) of each range (0x0n40 to 0x0nFF, for n = 0
+   to 5) is reserved for vendor use within each status code class.
+   Values 0x0600 to 0x7FFF are reserved for future assignment by IETF
+   standards track documents and MUST NOT be used.
+
+13.1 Status Codes
+
+   Each status code is described below. Section 13.1.5.9 contains a
+   table that indicates which status codes apply to which operations.
+   The Implementer's Guide [IPP-IIG] describe the suggested steps for
+   processing IPP attributes for all operations, including returning
+   status codes.
+
+13.1.1 Informational
+
+   This class of status code indicates a provisional response and is to
+   be used for informational purposes only.
+
+   There are no status codes defined in IPP/1.1 for this class of status
+   code.
+
+13.1.2 Successful Status Codes
+
+   This class of status code indicates that the client's request was
+   successfully received, understood, and accepted.
+
+13.1.2.1 successful-ok (0x0000)
+
+   The request has succeeded and no request attributes were substituted
+   or ignored.  In the case of a response to a create request, the
+   'successful-ok' status code indicates that the request was
+   successfully received and validated, and that the Job object has been
+   created; it does not indicate that the job has been processed.  The
+   transition of the Job object into the 'completed' state is the only
+   indicator that the job has been printed.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 178]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.2.2 successful-ok-ignored-or-substituted-attributes (0x0001)
+
+   The request has succeeded, but some supplied (1) attributes were
+   ignored or (2) unsupported values were substituted with supported
+   values or were ignored in order to perform the operation without
+   rejecting it.  Unsupported attributes, attribute syntaxes, or values
+   MUST be returned in the Unsupported Attributes group of the response
+   for all operations.  There is an exception to this rule for the query
+   operations:  Get-Printer-Attributes, Get-Jobs, and Get-Job-Attributes
+   for the "requested-attributes" operation attribute only.  When the
+   supplied values of the "requested-attributes" operation attribute are
+   requesting attributes that are not supported, the IPP object MAY, but
+   is NOT REQUIRED to, return the "requested-attributes" attribute in
+   the Unsupported Attribute response group (with the unsupported values
+   only).  See sections 3.1.7 and 3.2.1.2.
+
+13.1.2.3 successful-ok-conflicting-attributes (0x0002)
+
+   The request has succeeded, but some supplied attribute values
+   conflicted with the values of other supplied attributes.  These
+   conflicting values were either (1) substituted with (supported)
+   values or (2) the attributes were removed in order to process the job
+   without rejecting it.  Attributes or values which conflict with other
+   attributes and have been substituted or ignored MUST be returned in
+   the Unsupported Attributes group of the response for all operations
+   as supplied by the client.  See sections 3.1.7 and 3.2.1.2.
+
+13.1.3 Redirection Status Codes
+
+   This class of status code indicates that further action needs to be
+   taken to fulfill the request.
+
+   There are no status codes defined in IPP/1.1 for this class of status
+   code.
+
+13.1.4 Client Error Status Codes
+
+   This class of status code is intended for cases in which the client
+   seems to have erred.  The IPP object SHOULD return a message
+   containing an explanation of the error situation and whether it is a
+   temporary or permanent condition.
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 179]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.4.1 client-error-bad-request (0x0400)
+
+   The request could not be understood by the IPP object due to
+   malformed syntax (such as the value of a fixed length attribute whose
+   length does not match the prescribed length for that attribute - see
+   the Implementer's Guide [IPP-IIG] ).  The IPP application SHOULD NOT
+   repeat the request without modifications.
+
+13.1.4.2 client-error-forbidden (0x0401)
+
+   The IPP object understood the request, but is refusing to fulfill it.
+   Additional authentication information or authorization credentials
+   will not help and the request SHOULD NOT be repeated.  This status
+   code is commonly used when the IPP object does not wish to reveal
+   exactly why the request has been refused or when no other response is
+   applicable.
+
+13.1.4.3 client-error-not-authenticated (0x0402)
+
+   The request requires user authentication.  The IPP client may repeat
+   the request with suitable authentication information. If the request
+   already included authentication information, then this status code
+   indicates that authorization has been refused for those credentials.
+   If this response contains the same challenge as the prior response,
+   and the user agent has already attempted authentication at least
+   once, then the response message may contain relevant diagnostic
+   information.  This status codes reveals more information than
+   "client-error-forbidden".
+
+13.1.4.4 client-error-not-authorized (0x0403)
+
+   The requester is not authorized to perform the request.  Additional
+   authentication information or authorization credentials will not help
+   and the request SHOULD NOT be repeated.  This status code is used
+   when the IPP object wishes to reveal that the authentication
+   information is understandable, however, the requester is explicitly
+   not authorized to perform the request.  This status codes reveals
+   more information than "client-error-forbidden" and "client-error-
+   not-authenticated".
+
+13.1.4.5 client-error-not-possible (0x0404)
+
+   This status code is used when the request is for something that can
+   not happen.  For example, there might be a request to cancel a job
+   that has already been canceled or aborted by the system.  The IPP
+   client SHOULD NOT repeat the request.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 180]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.4.6 client-error-timeout (0x0405)
+
+   The client did not produce a request within the time that the IPP
+   object was prepared to wait.  For example, a client issued a Create-
+   Job operation and then, after a long period of time, issued a Send-
+   Document operation and this error status code was returned in
+   response to the Send-Document request  (see section 3.3.1).  The IPP
+   object might have been forced to clean up resources that had been
+   held for the waiting additional Documents.  The IPP object was forced
+   to close the Job since the client took too long.  The client SHOULD
+   NOT repeat the request without modifications.
+
+13.1.4.7 client-error-not-found (0x0406)
+
+   The IPP object has not found anything matching the request URI.  No
+   indication is given of whether the condition is temporary or
+   permanent.  For example, a client with an old reference to a Job (a
+   URI) tries to cancel the Job, however in the mean time the Job might
+   have been completed and all record of it at the Printer has been
+   deleted.  This status code, 'client-error-not-found' is returned
+   indicating that the referenced Job can not be found.  This error
+   status code is also used when a client supplies a URI as a reference
+   to the document data in either a Print-URI or Send-URI operation, but
+   the document can not be found.
+
+   In practice, an IPP application should avoid a not found situation by
+   first querying and presenting a list of valid Printer URIs and Job
+   URIs to the end-user.
+
+13.1.4.8 client-error-gone (0x0407)
+
+   The requested object is no longer available and no forwarding address
+   is known.  This condition should be considered permanent.  Clients
+   with link editing capabilities should delete references to the
+   request URI after user approval.  If the IPP object does not know or
+   has no facility to determine, whether or not the condition is
+   permanent, the status code "client-error-not-found" should be used
+   instead.
+
+   This response is primarily intended to assist the task of maintenance
+   by notifying the recipient that the resource is intentionally
+   unavailable and that the IPP object administrator desires that remote
+   links to that resource be removed. It is not necessary to mark all
+   permanently unavailable resources as "gone" or to keep the mark for
+   any length of time -- that is left to the discretion of the IPP
+   object administrator and/or Printer implementation.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 181]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.4.9 client-error-request-entity-too-large (0x0408)
+
+   The IPP object is refusing to process a request because the request
+   entity is larger than the IPP object is willing or able to process.
+   An IPP Printer returns this status code when it limits the size of
+   print jobs and it receives a print job that exceeds that limit or
+   when the attributes are so many that their encoding causes the
+   request entity to exceed IPP object capacity.
+
+13.1.4.10 client-error-request-value-too-long (0x0409)
+
+   The IPP object is refusing to service the request because one or more
+   of the client-supplied attributes has a variable length value that is
+   longer than the maximum length specified for that attribute.  The IPP
+   object might not have sufficient resources (memory, buffers, etc.) to
+   process (even temporarily), interpret, and/or ignore a value larger
+   than the maximum length.  Another use of this error code is when the
+   IPP object supports the processing of a large value that is less than
+   the maximum length, but during the processing of the request as a
+   whole, the object may pass the value onto some other system component
+   which is not able to accept the large value.  For more details, see
+   the Implementer's Guide [IPP-IIG] .
+
+   Note:  For attribute values that are URIs, this rare condition is
+   only likely to occur when a client has improperly submitted a request
+   with long query information (e.g. an IPP application allows an end-
+   user to enter an invalid URI), when the client has descended into a
+   URI "black hole" of redirection (e.g., a redirected URI prefix that
+   points to a suffix of itself), or when the IPP object is under attack
+   by a client attempting to exploit security holes present in some IPP
+   objects using fixed-length buffers for reading or manipulating the
+   Request-URI.
+
+13.1.4.11 client-error-document-format-not-supported (0x040A)
+
+   The IPP object is refusing to service the request because the
+   document data is in a format, as specified in the "document-format"
+   operation attribute, that is not supported by the Printer object.
+   This error is returned independent of the client-supplied "ipp-
+   attribute-fidelity".  The Printer object MUST return this status
+   code, even if there are other Job Template attributes that are not
+   supported as well, since this error is a bigger problem than with Job
+   Template attributes.  See sections 3.1.6.1, 3.1.7, and 3.2.1.1.
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 182]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.4.12 client-error-attributes-or-values-not-supported (0x040B)
+
+   In a create request, if the Printer object does not support one or
+   more attributes, attribute syntaxes, or attribute values supplied in
+   the request and the client supplied the "ipp-attribute-fidelity"
+   operation attribute with the 'true' value, the Printer object MUST
+   return this status code.  The Printer object MUST also return in the
+   Unsupported Attributes Group all the attributes and/or values
+   supplied by the client that are not supported.  See section 3.1.7.
+   For example, if the request indicates 'iso-a4' media, but that media
+   type is not supported by the Printer object.  Or, if the client
+   supplies a Job Template attribute and the attribute itself is not
+   even supported by the Printer.  If the "ipp-attribute-fidelity"
+   attribute is 'false', the Printer MUST ignore or substitute values
+   for unsupported Job Template attributes and values rather than reject
+   the request and return this status code.
+
+   For any operation where a client requests attributes (such as a Get-
+   Jobs, Get-Printer-Attributes, or Get-Job-Attributes operation), if
+   the IPP object does not support one or more of the requested
+   attributes, the IPP object simply ignores the unsupported requested
+   attributes and processes the request as if they had not been
+   supplied, rather than returning this status code.  In this case, the
+   IPP object MUST return the 'successful-ok-ignored-or-substituted-
+   attributes' status code and MAY return the unsupported attributes as
+   values of the "requested-attributes" in the Unsupported Attributes
+   Group (see section 13.1.2.2).
+
+13.1.4.13 client-error-uri-scheme-not-supported (0x040C)
+
+   The scheme of the client-supplied URI in a Print-URI or a Send-URI
+   operation is not supported.  See sections 3.1.6.1 and 3.1.7.
+
+13.1.4.14 client-error-charset-not-supported (0x040D)
+
+   For any operation, if the IPP Printer does not support the charset
+   supplied by the client in the "attributes-charset" operation
+   attribute, the Printer MUST reject the operation and return this
+   status and any 'text' or 'name' attributes using the 'utf-8' charset
+   (see Section 3.1.4.1).  See sections 3.1.6.1 and  3.1.7.
+
+13.1.4.15 client-error-conflicting-attributes (0x040E)
+
+   The request is rejected because some attribute values conflicted with
+   the values of other attributes which this document does not permit to
+   be substituted or ignored.  The Printer object MUST also return in
+   the Unsupported Attributes Group the conflicting attributes supplied
+   by the client.  See sections 3.1.7 and 3.2.1.2.
+
+
+
+Hastings, et al.            Standards Track                   [Page 183]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.4.16 client-error-compression-not-supported (0x040F)
+
+   The IPP object is refusing to service the request because the
+   document data, as specified in the "compression" operation attribute,
+   is compressed in a way that is not supported by the Printer object.
+   This error is returned independent of the client-supplied "ipp-
+   attribute-fidelity".  The Printer object MUST return this status
+   code, even if there are other Job Template attributes that are not
+   supported as well, since this error is a bigger problem than with Job
+   Template attributes.  See sections 3.1.6.1, 3.1.7, and 3.2.1.1.
+
+13.1.4.17 client-error-compression-error (0x0410)
+
+   The IPP object is refusing to service the request because the
+   document data cannot be decompressed when using the algorithm
+   specified by the "compression" operation attribute.  This error is
+   returned independent of the client-supplied "ipp-attribute-fidelity".
+   The Printer object MUST return this status code, even if there are
+   Job Template attributes that are not supported as well, since this
+   error is a bigger problem than with Job Template attributes.  See
+   sections 3.1.7 and 3.2.1.1.
+
+13.1.4.18 client-error-document-format-error (0x0411)
+
+   The IPP object is refusing to service the request because Printer
+   encountered an error in the document data while interpreting it.
+   This error is returned independent of the client-supplied "ipp-
+   attribute-fidelity".  The Printer object MUST return this status
+   code, even if there are Job Template attributes that are not
+   supported as well, since this error is a bigger problem than with Job
+   Template attributes.  See sections 3.1.7 and 3.2.1.1.
+
+13.1.4.19 client-error-document-access-error (0x0412)
+
+   The IPP object is refusing to service the Print-URI or Send-URI
+   request because Printer encountered an access error while attempting
+   to validate the accessibility or access the document data specified
+   in the "document-uri" operation attribute.  The Printer MAY also
+   return a specific document access error code using the "document-
+   access-error" operation attribute (see section 3.1.6.4).  This error
+   is returned independent of the client-supplied "ipp-attribute-
+   fidelity".  The Printer object MUST return this status code, even if
+   there are Job Template attributes that are not supported as well,
+   since this error is a bigger problem than with Job Template
+   attributes.  See sections 3.1.6.1 and 3.1.7.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 184]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.5 Server Error Status Codes
+
+   This class of status codes indicates cases in which the IPP object is
+   aware that it has erred or is incapable of performing the request.
+   The IPP object SHOULD include a message containing an explanation of
+   the error situation, and whether it is a temporary or permanent
+   condition.
+
+13.1.5.1 server-error-internal-error (0x0500)
+
+   The IPP object encountered an unexpected condition that prevented it
+   from fulfilling the request.  This error status code differs from
+   "server-error-temporary-error" in that it implies a more permanent
+   type of internal error.  It also differs from "server-error-device-
+   error" in that it implies an unexpected condition (unlike a paper-jam
+   or out-of-toner problem which is undesirable but expected).  This
+   error status code indicates that probably some knowledgeable human
+   intervention is required.
+
+13.1.5.2 server-error-operation-not-supported (0x0501)
+
+   The IPP object does not support the functionality required to fulfill
+   the request. This is the appropriate response when the IPP object
+   does not recognize an operation or is not capable of supporting it.
+   See sections 3.1.6.1 and 3.1.7.
+
+13.1.5.3 server-error-service-unavailable (0x0502)
+
+   The IPP object is currently unable to handle the request due to a
+   temporary overloading or maintenance of the IPP object.  The
+   implication is that this is a temporary condition which will be
+   alleviated after some delay. If known, the length of the delay may be
+   indicated in the message.  If no delay is given, the IPP application
+   should handle the response as it would for a "server-error-
+   temporary-error" response.  If the condition is more permanent, the
+   error status codes "client-error-gone" or "client-error-not-found"
+   could be used.
+
+13.1.5.4 server-error-version-not-supported (0x0503)
+
+   The IPP object does not support, or refuses to support, the IPP
+   protocol version that was supplied as the value of the "version-
+   number" operation parameter in the request.  The IPP object is
+   indicating that it is unable or unwilling to complete the request
+   using the same major and minor version number as supplied in the
+   request other than with this error message. The error response SHOULD
+   contain a "status-message" attribute (see section 3.1.6.2) describing
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 185]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   why that version is not supported and what other versions are
+   supported by that IPP object.  See sections 3.1.6.1, 3.1.7, and
+   3.1.8.
+
+   The error response MUST identify in the "version-number" operation
+   parameter the closest version number that the IPP object does
+   support.  For example, if a client supplies version '1.0' and an
+   IPP/1.1 object supports version '1.0', then it responds with version
+   '1.0' in all responses to such a request.  If the IPP/1.1 object does
+   not support version '1.0', then it should accept the request and
+   respond with version '1.1' or may reject the request and respond with
+   this error code and version
+   '1.1'.  If a client supplies a version '1.2', the IPP/1.1 object
+   should accept the request and return version '1.1' or may reject the
+   request and respond with this error code and version '1.1'.  See
+   sections 3.1.8 and 4.4.14.
+
+13.1.5.5 server-error-device-error (0x0504)
+
+   A printer error, such as a paper jam, occurs while the IPP object
+   processes a Print or Send operation.  The response contains the true
+   Job Status (the values of the "job-state" and "job-state-reasons"
+   attributes).  Additional information can be returned in the OPTIONAL
+   "job-state-message" attribute value or in the OPTIONAL status message
+   that describes the error in more detail.  This error status code is
+   only returned in situations where the Printer is unable to accept the
+   create request because of such a device error.  For example, if the
+   Printer is unable to spool, and can only accept one job at a time,
+   the reason it might reject a create request is that the printer
+   currently has a paper jam.  In many cases however, where the Printer
+   object can accept the request even though the Printer has some error
+   condition, the 'successful-ok' status code will be returned.  In such
+   a case, the client would look at the returned Job Object Attributes
+   or later query the Printer to determine its state and state reasons.
+
+13.1.5.6 server-error-temporary-error (0x0505)
+
+   A temporary error such as a buffer full write error, a memory
+   overflow (i.e. the document data exceeds the memory of the Printer),
+   or a disk full condition, occurs while the IPP Printer processes an
+   operation.  The client MAY try the unmodified request again at some
+   later point in time with an expectation that the temporary internal
+   error condition may have been cleared.  Alternatively, as an
+   implementation option, a Printer object MAY delay the response until
+   the temporary condition is cleared so that no error is returned.
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 186]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+13.1.5.7 server-error-not-accepting-jobs (0x0506)
+
+   A temporary error indicating that the Printer is not currently
+   accepting jobs, because the administrator has set the value of the
+   Printer's "printer-is-accepting-jobs" attribute to 'false' (by means
+   outside the scope of this IPP/1.1 document).
+
+13.1.5.8 server-error-busy (0x0507)
+
+   A temporary error indicating that the Printer is too busy processing
+   jobs and/or other requests. The client SHOULD try the unmodified
+   request again at some later point in time with an expectation that
+   the temporary busy condition will have been cleared.
+
+13.1.5.9 server-error-job-canceled (0x0508)
+
+   An error indicating that the job has been canceled by an operator or
+   the system while the client was transmitting the data to the IPP
+   Printer.  If a job-id and job-uri had been created, then they are
+   returned in the Print-Job, Send-Document, or Send-URI response as
+   usual; otherwise, no job-id and job-uri are returned in the response.
+
+13.1.5.10 server-error-multiple-document-jobs-not-supported (0x0509)
+
+   The IPP object does not support multiple documents per job and a
+   client attempted to supply document data with a second Send-Document
+   or Send-URI operation.
+
+13.2 Status Codes for IPP Operations
+
+   PJ = Print-Job, PU = Print-URI, CJ = Create-Job, SD = Send-Document
+   SU = Send-URI, V = Validate-Job, GA = Get-Job-Attributes and
+   Get-Printer-Attributes, GJ = Get-Jobs, C = Cancel-Job
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 187]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+                                                  IPP Operations
+   IPP Status Keyword                       PJ PU CJ SD SU V GA GJ C
+   ------------------                       -- -- -- -- -- - -- -- -
+   successful-ok                            x  x  x  x  x  x x  x  x
+   successful-ok-ignored-or-substituted-    x  x  x  x  x  x x  x  x
+        attributes
+   successful-ok-conflicting-attributes     x  x  x  x  x  x x  x  x
+   client-error-bad-request                 x  x  x  x  x  x x  x  x
+   client-error-forbidden                   x  x  x  x  x  x x  x  x
+   client-error-not-authenticated           x  x  x  x  x  x x  x  x
+   client-error-not-authorized              x  x  x  x  x  x x  x  x
+   client-error-not-possible                x  x  x  x  x  x x  x  x
+   client-error-timeout                              x  x
+   client-error-not-found                   x  x  x  x  x  x x  x  x
+   client-error-gone                        x  x  x  x  x  x x  x  x
+   client-error-request-entity-too-large    x  x  x  x  x  x x  x  x
+   client-error-request-value-too-long      x  x  x  x  x  x x  x  x
+   client-error-document-format-not-        x  x     x  x  x x
+        supported
+   client-error-attributes-or-values-not-   x  x  x  x  x  x x  x  x
+        supported
+   client-error-uri-scheme-not-supported       x        x
+   client-error-charset-not-supported       x  x  x  x  x  x x  x  x
+   client-error-conflicting-attributes      x  x  x  x  x  x x  x  x
+   client-error-compression-not-supported   x  x     x  x  x
+   client-error-compression-error           x  x     x  x
+   client-error-document-format-error       x  x     x  x
+   client-error-document-access-error          x        x
+   server-error-internal-error              x  x  x  x  x  x x  x  x
+   server-error-operation-not-supported        x  x  x  x
+   server-error-service-unavailable         x  x  x  x  x  x x  x  x
+   server-error-version-not-supported       x  x  x  x  x  x x  x  x
+   server-error-device-error                x  x  x  x  x
+   server-error-temporary-error             x  x  x  x  x
+   server-error-not-accepting-jobs          x  x  x        x
+   server-error-busy                        x  x  x  x  x  x x  x  x
+   server-error-job-canceled                x        x  x
+   server-error-multiple-document-jobs-              x  x
+          not-supported
+
+   HJ = Hold-Job, RJ = Release-Job, RS = Restart-Job
+   PP = Pause-Printer, RP = Resume-Printer, PJ = Purge-Jobs
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 188]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+                                            IPP Operations (cont.)
+   IPP Status Keyword                       HJ RJ RS PP RP PJ
+   ------------------                       -- -- -- -- -- --
+   successful-ok                            x  x  x  x  x  x
+   successful-ok-ignored-or-substituted-    x  x  x  x  x  x
+        attributes
+   successful-ok-conflicting-attributes     x  x  x  x  x  x
+   client-error-bad-request                 x  x  x  x  x  x
+   client-error-forbidden                   x  x  x  x  x  x
+   client-error-not-authenticated           x  x  x  x  x  x
+   client-error-not-authorized              x  x  x  x  x  x
+   client-error-not-possible                x  x  x  x  x  x
+   client-error-timeout
+   client-error-not-found                   x  x  x  x  x  x
+   client-error-gone                        x  x  x  x  x  x
+   client-error-request-entity-too-large    x  x  x  x  x  x
+   client-error-request-value-too-long      x  x  x  x  x  x
+   client-error-document-format-not-
+        supported
+   client-error-attributes-or-values-not-   x  x  x  x  x  x
+        supported
+   client-error-uri-scheme-not-supported
+   client-error-charset-not-supported       x  x  x  x  x  x
+   client-error-conflicting-attributes      x  x  x  x  x  x
+   client-error-compression-not-supported
+   client-error-compression-error
+   client-error-document-format-error
+   client-error-document-access-error
+   server-error-internal-error              x  x  x  x  x  x
+   server-error-operation-not-supported     x  x  x  x  x  x
+   server-error-service-unavailable         x  x  x  x  x  x
+   server-error-version-not-supported       x  x  x  x  x  x
+   server-error-device-error
+   server-error-temporary-error             x  x  x  x  x  x
+   server-error-not-accepting-jobs
+   server-error-busy                        x  x  x  x  x  x
+   server-error-job-canceled
+   server-error-multiple-document-jobs-
+          not-supported
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 189]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+14.  APPENDIX C:  "media" keyword values
+
+   Standard keyword values are taken from several sources.
+
+   Standard values are defined (taken from DPA[ISO10175] and the Printer
+   MIB[RFC1759]):
+
+    'default': The default medium for the output device
+    'iso-a4-white': Specifies the ISO A4 white medium: 210 mm x 297 mm
+    'iso-a4-colored': Specifies the ISO A4 colored medium: 210 mm x 297
+       mm
+    'iso-a4-transparent' Specifies the ISO A4 transparent medium: 210 mm
+       x 297 mm
+    'iso-a3-white': Specifies the ISO A3 white medium: 297 mm x 420 mm
+    'iso-a3-colored': Specifies the ISO A3 colored medium: 297 mm x 420
+       mm
+    'iso-a5-white': Specifies the ISO A5 white medium: 148 mm x 210 mm
+    'iso-a5-colored': Specifies the ISO A5 colored medium: 148 mm x 210
+       mm
+    'iso-b4-white': Specifies the ISO B4 white medium: 250 mm x 353 mm
+    'iso-b4-colored': Specifies the ISO B4 colored medium: 250 mm x 353
+       mm
+    'iso-b5-white': Specifies the ISO B5 white medium: 176 mm x 250 mm
+    'iso-b5-colored': Specifies the ISO B5 colored medium: 176 mm x 250
+       mm
+    'jis-b4-white': Specifies the JIS B4 white medium: 257 mm x 364 mm
+    'jis-b4-colored': Specifies the JIS B4 colored medium: 257 mm x 364
+       mm
+    'jis-b5-white': Specifies the JIS B5 white medium: 182 mm x 257 mm
+    'jis-b5-colored': Specifies the JIS B5 colored medium: 182 mm x 257
+       mm
+
+   The following standard values are defined for North American media:
+
+    'na-letter-white': Specifies the North American letter white medium
+    'na-letter-colored': Specifies the North American letter colored
+       medium
+    'na-letter-transparent': Specifies the North American letter
+       transparent medium
+    'na-legal-white': Specifies the North American legal white medium
+    'na-legal-colored': Specifies the North American legal colored
+       medium
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 190]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The following standard values are defined for envelopes:
+
+    'iso-b4-envelope': Specifies the ISO B4 envelope medium
+    'iso-b5-envelope': Specifies the ISO B5 envelope medium
+    'iso-c3-envelope': Specifies the ISO C3 envelope medium
+    'iso-c4-envelope': Specifies the ISO C4 envelope medium
+    'iso-c5-envelope': Specifies the ISO C5 envelope medium
+    'iso-c6-envelope': Specifies the ISO C6 envelope medium
+    'iso-designated-long-envelope': Specifies the ISO Designated Long
+       envelope medium
+    'na-10x13-envelope': Specifies the North American 10x13 envelope
+       medium
+    'na-9x12-envelope': Specifies the North American 9x12 envelope
+       medium
+    'monarch-envelope': Specifies the Monarch envelope
+    'na-number-10-envelope': Specifies the North American number 10
+       business envelope medium
+    'na-7x9-envelope': Specifies the North American 7x9 inch envelope
+    'na-9x11-envelope': Specifies the North American 9x11 inch
+       envelope
+    'na-10x14-envelope': Specifies the North American 10x14 inch
+       envelope
+    'na-number-9-envelope': Specifies the North American number 9
+       business envelope
+    'na-6x9-envelope': Specifies the North American 6x9 inch envelope
+    'na-10x15-envelope': Specifies the North American 10x15 inch
+       envelope
+
+   The following standard values are defined for the less commonly used
+   media:
+
+ 'executive-white': Specifies the white executive medium
+ 'folio-white': Specifies the folio white medium
+ 'invoice-white': Specifies the white invoice medium
+ 'ledger-white': Specifies the white ledger medium
+ 'quarto-white': Specified the white quarto medium
+ 'iso-a0-white': Specifies the ISO A0 white medium: 841 mm x 1189 mm
+ 'iso-a0-transparent': Specifies the ISO A0 transparent medium: 841 mm
+    x 1189 mm
+ 'iso-a0-translucent': Specifies the ISO A0 translucent medium: 841 mm
+    x 1189 mm
+ 'iso-a1-white': Specifies the ISO A1 white medium: 594 mm x 841 mm
+ 'iso-a1-transparent': Specifies the ISO A1 transparent medium: 594 mm
+    x 841 mm
+ 'iso-a1-translucent': Specifies the ISO A1 translucent medium: 594 mm
+    x 841 mm
+ 'iso-a2-white': Specifies the ISO A2 white medium: 420 mm x 594 mm
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 191]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'iso-a2-transparent': Specifies the ISO A2 transparent medium: 420 mm
+    x 594 mm
+ 'iso-a2-translucent': Specifies the ISO A2 translucent medium: 420 mm
+    x 594 mm
+ 'iso-a3-transparent': Specifies the ISO A3 transparent medium: 297 mm
+    x 420 mm
+ 'iso-a3-translucent': Specifies the ISO A3 translucent medium: 297 mm
+    x 420 mm
+ 'iso-a4-translucent': Specifies the ISO A4 translucent medium: 210 mm
+    x 297 mm
+ 'iso-a5-transparent': Specifies the ISO A5 transparent medium: 148 mm
+    x 210 mm
+ 'iso-a5-translucent': Specifies the ISO A5 translucent medium: 148 mm
+    x 210 mm
+ 'iso-a6-white': Specifies the ISO A6 white medium: 105 mm x 148 mm
+ 'iso-a7-white': Specifies the ISO A7 white medium: 74 mm x 105 mm
+ 'iso-a8-white': Specifies the ISO A8 white medium: 52 mm x 74 mm
+ 'iso-a9-white': Specifies the ISO A9 white medium: 37 mm x 52 mm
+ 'iso-a10-white': Specifies the ISO A10 white medium: 26 mm x 37 mm
+ 'iso-b0-white': Specifies the ISO B0 white medium: 1000 mm x 1414 mm
+ 'iso-b1-white': Specifies the ISO B1 white medium: 707 mm x 1000 mm
+ 'iso-b2-white': Specifies the ISO B2 white medium: 500 mm x 707 mm
+ 'iso-b3-white': Specifies the ISO B3 white medium: 353 mm x 500 mm
+ 'iso-b6-white': Specifies the ISO B6 white medium: 125 mm x 176 mm
+ 'iso-b7-white': Specifies the ISO B7 white medium: 88 mm x 125 mm
+ 'iso-b8-white': Specifies the ISO B8 white medium: 62 mm x 88 mm
+ 'iso-b9-white': Specifies the ISO B9 white medium: 44 mm x 62 mm
+ 'iso-b10-white': Specifies the ISO B10 white medium: 31 mm x 44 mm
+ 'jis-b0-white': Specifies the JIS B0 white medium: 1030 mm x 1456 mm
+ 'jis-b0-transparent': Specifies the JIS B0 transparent medium: 1030
+    mm x 1456 mm
+ 'jis-b0-translucent': Specifies the JIS B0 translucent medium: 1030
+    mm x 1456 mm
+ 'jis-b1-white': Specifies the JIS B1 white medium: 728 mm x 1030 mm
+ 'jis-b1-transparent': Specifies the JIS B1 transparent medium: 728 mm
+    x 1030 mm
+ 'jis-b1-translucent': Specifies the JIS B1 translucent medium: 728 mm
+    x 1030 mm
+ 'jis-b2-white': Specifies the JIS B2 white medium: 515 mm x 728 mm
+ 'jis-b2-transparent': Specifies the JIS B2 transparent medium: 515 mm
+    x 728 mm
+ 'jis-b2-translucent': Specifies the JIS B2 translucent medium: 515 mm
+    x 728 mm
+ 'jis-b3-white': Specifies the JIS B3 white medium: 364 mm x 515 mm
+ 'jis-b3-transparent': Specifies the JIS B3 transparent medium: 364 mm
+    x 515 mm
+ 'jis-b3-translucent': Specifies the JIS B3 translucent medium: 364 mm
+    x 515 mm
+
+
+
+Hastings, et al.            Standards Track                   [Page 192]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'jis-b4-transparent': Specifies the JIS B4 transparent medium: 257 mm
+    x 364 mm
+ 'jis-b4-translucent': Specifies the JIS B4 translucent medium: 257 mm
+    x 364 mm
+ 'jis-b5-transparent': Specifies the JIS B5 transparent medium: 182 mm
+    x 257 mm
+ 'jis-b5-translucent': Specifies the JIS B5 translucent medium: 182 mm
+    x 257 mm
+ 'jis-b6-white': Specifies the JIS B6 white medium: 128 mm x 182 mm
+ 'jis-b7-white': Specifies the JIS B7 white medium: 91 mm x 128 mm
+ 'jis-b8-white': Specifies the JIS B8 white medium: 64 mm x 91 mm
+ 'jis-b9-white': Specifies the JIS B9 white medium: 45 mm x 64 mm
+ 'jis-b10-white': Specifies the JIS B10 white medium: 32 mm x 45 mm
+
+   The following standard values are defined for American Standard (i.e.
+   ANSI) engineering media:
+
+    'a-white': Specifies the engineering ANSI A size white medium: 8.5
+       inches x 11 inches
+    'a-transparent': Specifies the engineering ANSI A size transparent
+       medium: 8.5 inches x 11 inches
+    'a-translucent': Specifies the engineering ANSI A size translucent
+       medium: 8.5 inches x 11 inches
+    'b-white': Specifies the engineering ANSI B size white medium: 11
+       inches x 17 inches
+    'b-transparent': Specifies the engineering ANSI B size transparent
+       medium: 11 inches x 17 inches)
+    'b-translucent': Specifies the engineering ANSI B size translucent
+       medium: 11 inches x 17 inches
+    'c-white': Specifies the engineering ANSI C size white medium: 17
+       inches x 22 inches
+    'c-transparent': Specifies the engineering ANSI C size transparent
+       medium: 17 inches x 22 inches
+    'c-translucent': Specifies the engineering ANSI C size translucent
+       medium: 17 inches x 22 inches
+    'd-white': Specifies the engineering ANSI D size white medium: 22
+       inches x 34 inches
+    'd-transparent': Specifies the engineering ANSI D size transparent
+       medium: 22 inches x 34 inches
+    'd-translucent': Specifies the engineering ANSI D size translucent
+       medium: 22 inches x 34 inches
+    'e-white': Specifies the engineering ANSI E size white medium: 34
+       inches x 44 inches
+    'e-transparent': Specifies the engineering ANSI E size transparent
+       medium: 34 inches x 44 inches
+    'e-translucent': Specifies the engineering ANSI E size translucent
+       medium: 34 inches x 44 inches
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 193]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The following standard values are defined for American Standard (i.e.
+   ANSI) engineering media for devices that provide the "synchro-cut"
+   feature (see section 14.1):
+
+ 'axsynchro-white': Specifies the roll paper having the width of the
+    longer edge (11 inches) of the engineering ANSI A size white medium
+    and cuts synchronizing with data.
+ 'axsynchro-transparent': Specifies the roll paper having the width of
+    the longer edge (11 inches) of the engineering ANSI A size
+    transparent medium and cuts synchronizing with data.
+ 'axsynchro-translucent': Specifies the roll paper having the width of
+    the longer edge (11 inches) of the engineering ANSI A size
+    translucent medium and cuts synchronizing with data.
+ 'bxsynchro-white': Specifies the roll paper having the width of the
+    longer edge (17 inches) of the engineering ANSI B size white medium
+    and cuts synchronizing with data.
+ 'bxsynchro-transparent': Specifies the roll paper having the width of
+    the longer edge (17 inches) of the engineering ANSI B size
+    transparent medium and cuts synchronizing with data.
+ 'bxsynchro-translucent': Specifies the roll paper having the width of
+    the longer edge (17 inches) of the engineering ANSI B size
+    translucent medium and cuts synchronizing with data.
+ 'cxsynchro-white': Specifies the roll paper having the width of the
+    longer edge (22 inches) of the engineering ANSI C size white medium
+    and cuts synchronizing with data.
+ 'cxsynchro-transparent': Specifies the roll paper having the width of
+    the longer edge (22 inches) of the engineering ANSI C size
+    transparent medium and cuts synchronizing with data.
+ 'cxsynchro-translucent': Specifies the roll paper having the width of
+    the longer edge (22 inches) of the engineering ANSI C size
+    translucent medium and cuts synchronizing with data.
+ 'dxsynchro-white': Specifies the roll paper having the width of the
+    longer edge (34 inches) of the engineering ANSI D size white medium
+    and cuts synchronizing with data.
+ 'dxsynchro-transparent': Specifies the roll paper having the width of
+    the longer edge (34 inches) of the engineering ANSI D size
+    transparent medium and cuts synchronizing with data.
+ 'dxsynchro-translucent': Specifies the roll paper having the width of
+    the longer edge (34 inches) of the engineering ANSI D size
+    translucent medium and cuts synchronizing with data.
+ 'exsynchro-white': Specifies the roll paper having the width of the
+    longer edge (44 inches) of the engineering ANSI E size white medium
+    and cuts synchronizing with data.
+ 'exsynchro-transparent': Specifies the roll paper having the width of
+    the longer edge (44 inches) of the engineering ANSI E size
+    transparent medium and cuts synchronizing with data.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 194]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'exsynchro-translucent': Specifies the roll paper having the width of
+    the longer edge (44 inches) of the engineering ANSI E size
+    translucent medium and cuts synchronizing with data.
+
+   The following standard values are defined for American Architectural
+   engineering media:
+
+ 'arch-a-white': Specifies the Architectural A size white medium: 9
+    inches x 12 inches
+ 'arch-a-transparent': Specifies the Architectural A size transparent
+    medium: 9 inches x 12 inches
+ 'arch-a-translucent': Specifies the Architectural A size translucent
+    medium: 9 inches x 12 inches
+ 'arch-b-white': Specifies the Architectural B size white medium: 12
+    inches x 18 inches
+ 'arch-b-transparent': Specifies the Architectural B size transparent
+    medium: 12 inches x 18 inches
+ 'arch-b-translucent': Specifies the Architectural B size translucent
+    medium: 12 inches x 18 inches
+ 'arch-c-white': Specifies the Architectural C size white medium: 18
+    inches x 24 inches
+ 'arch-c-transparent': Specifies the Architectural C size transparent
+    medium: 18 inches x 24 inches
+ 'arch-c-translucent': Specifies the Architectural C size translucent
+    medium: 18 inches x 24 inches
+ 'arch-d-white': Specifies the Architectural D size white medium: 24
+    inches x 36 inches
+ 'arch-d-transparent': Specifies the Architectural D size transparent
+    medium: 24 inches x 36 inches
+ 'arch-d-translucent': Specifies the Architectural D size translucent
+    medium: 24 inches x 36 inches
+ 'arch-e-white': Specifies the Architectural E size white medium: 36
+    inches x 48 inches
+ 'arch-e-transparent': Specifies the Architectural E size transparent
+    medium: 36 inches x 48 inches
+ 'arch-e-translucent': Specifies the Architectural E size translucent
+    medium: 36 inches x 48 inches
+
+   The following standard values are defined for American Architectural
+   engineering media for devices that provide the "synchro-cut" feature
+   (see section 14.1):
+
+ 'arch-axsynchro-white': Specifies the roll paper having the width of
+    the longer edge (12 inches) of the Architectural A size white
+    medium and cuts synchronizing with data.
+ 'arch-axsynchro-transparent': Specifies the roll paper having the
+    width of the longer edge (12 inches) of the Architectural A size
+    transparent medium and cuts synchronizing with data.
+
+
+
+Hastings, et al.            Standards Track                   [Page 195]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'arch-axsynchro-translucent': Specifies the roll paper having the
+    width of the longer edge (12 inches) of the Architectural A size
+    translucent medium and cuts synchronizing with data.
+ 'arch-bxsynchro-white': Specifies the roll paper having the width of
+    the longer edge (18 inches) of the Architectural B size white
+    medium and cuts synchronizing with data.
+ 'arch-bxsynchro-transparent': Specifies the roll paper having the
+    width of the longer edge (18 inches) of the Architectural B size
+    transparent medium and cuts synchronizing with data.
+ 'arch-bxsynchro-translucent': Specifies the roll paper having the
+    width of the longer edge (18 inches) of the Architectural B size
+    translucent medium and cuts synchronizing with data.
+ 'arch-cxsynchro-white': Specifies the roll paper having the width of
+    the longer edge (24 inches) of the Architectural C size white
+    medium and cuts synchronizing with data.
+ 'arch-cxsynchro-transparent': Specifies the roll paper having the
+    width of the longer edge (24 inches) of the Architectural C size
+    transparent medium and cuts synchronizing with data.
+ 'arch-cxsynchro-translucent': Specifies the roll paper having the
+    width of the longer edge (24 inches) of the Architectural C size
+    translucent medium and cuts synchronizing with data.
+ 'arch-dxsynchro-white': Specifies the roll paper having the width of
+    the longer edge (36 inches) of the Architectural D size white
+    medium and cuts synchronizing with data.
+ 'arch-dxsynchro-transparent': Specifies the roll paper having the
+    width of the longer edge (36 inches) of the Architectural D size
+    transparent medium and cuts synchronizing with data.
+ 'arch-dxsynchro-translucent': Specifies the roll paper having the
+    width of the longer edge (36 inches) of the Architectural D size
+    translucent medium and cuts synchronizing with data.
+ 'arch-exsynchro-white': Specifies the roll paper having the width of
+    the longer edge (48 inches) of the Architectural E size white
+    medium and cuts synchronizing with data.
+ 'arch-exsynchro-transparent': Specifies the roll paper having the
+    width of the longer edge (48 inches) of the Architectural E size
+    transparent medium and cuts synchronizing with data.
+ 'arch-exsynchro-translucent': Specifies the roll paper having the
+    width of the longer edge (48 inches) of the Architectural E size
+    translucent medium and cuts synchronizing with data.
+
+   The following standard values are defined for Japanese and European
+   Standard (i.e. ISO) engineering media, which are of a long fixed size
+   [ASME-Y14.1M]:
+
+ 'iso-a1x3-white': Specifies the ISO A1X3 white medium having the
+      width of the longer edge (841 mm) of the ISO A1 medium
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 196]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'iso-a1x3-transparent': Specifies the ISO A1X3 transparent medium
+      having the width of the longer edge (841 mm) of the ISO A1
+      medium
+ 'iso-a1x3-translucent': Specifies the ISO A1X3 translucent medium
+      having the width of the longer edge (841 mm) of the ISO A1
+      medium
+ 'iso-a1x4-white': Specifies the ISO A1X4 white medium having the
+      width of the longer edge (841 mm) of the ISO A1 medium
+ 'iso-a1x4-transparent': Specifies the ISO A1X4 transparent medium
+      having the width of the longer edge (841 mm) of the ISO A1
+      medium
+ 'iso-a1x4- translucent': Specifies the ISO A1X4 translucent medium
+      having the width of the longer edge (841 mm) of the ISO A1
+      medium
+ 'iso-a2x3-white': Specifies the ISO A2X3 white medium having the
+      width of the longer edge (594 mm) of the ISO A2 medium
+ 'iso-a2x3-transparent': Specifies the ISO A2X3 transparent medium
+      having the width of the longer edge (594 mm) of the ISO A2
+      medium
+ 'iso-a2x3-translucent': Specifies the ISO A2X3 translucent medium
+      having the width of the longer edge (594 mm) of the ISO A2
+      medium
+ 'iso-a2x4-white': Specifies the ISO A2X4 white medium having the
+      width of the longer edge (594 mm) of the ISO A2 medium
+ 'iso-a2x4-transparent': Specifies the ISO A2X4 transparent medium
+      having the width of the longer edge (594 mm) of the ISO A2
+      medium
+ 'iso-a2x4-translucent': Specifies the ISO A2X4 translucent medium
+      having the width of the longer edge (594 mm) of the ISO A2
+      medium
+ 'iso-a2x5-white': Specifies the ISO A2X5 white medium having the
+      width of the longer edge (594 mm) of the ISO A2 medium
+ 'iso-a2x5-transparent': Specifies the ISO A2X5 transparent medium
+      having the width of the longer edge (594 mm) of the ISO A2
+      medium
+ 'iso-a2x5-translucent': Specifies the ISO A2X5 translucent medium
+      having the width of the longer edge (594 mm) of the ISO A2
+      medium
+ 'iso-a3x3-white': Specifies the ISO A3X3 white medium having the
+      width of the longer edge (420 mm) of the ISO A3 medium
+ 'iso-a3x3-transparent': Specifies the ISO A3X3 transparent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x3-translucent': Specifies the ISO A3X3 translucent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x4-white': Specifies the ISO A3X4 white medium having the
+      width of the longer edge (420 mm) of the ISO A3 medium
+
+
+
+Hastings, et al.            Standards Track                   [Page 197]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'iso-a3x4-transparent': Specifies the ISO A3X4 transparent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x4-translucent': Specifies the ISO A3X4 translucent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x5-white': Specifies the ISO A3X5 white medium having the
+      width of the longer edge (420 mm) of the ISO A3 medium
+ 'iso-a3x5-transparent': Specifies the ISO A3X5 transparent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x5-translucent': Specifies the ISO A3X5 translucent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x6-white': Specifies the ISO A3X6 white medium having the
+      width of the longer edge (420 mm) of the ISO A3 medium
+ 'iso-a3x6-transparent': Specifies the ISO A3X6 transparent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x6-translucent': Specifies the ISO A3X6 translucent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x7-white': Specifies the ISO A3X7 white medium having the
+      width of the longer edge (420 mm) of the ISO A3 medium
+ 'iso-a3x7-transparent': Specifies the ISO A3X7 transparent medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a3x7-translucent'': Specifies the ISO A3X7 translucent' medium
+      having the width of the longer edge (420 mm) of the ISO A3
+      medium
+ 'iso-a4x3-white': Specifies the ISO A4X3 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+ 'iso-a4x3-transparent': Specifies the ISO A4X3 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x3-translucent'': Specifies the ISO A4X3 translucent' medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x4-white': Specifies the ISO A4X4 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+ 'iso-a4x4-transparent': Specifies the ISO A4X4 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x4-translucent': Specifies the ISO A4X4 translucent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x5-white': Specifies the ISO A4X5 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+
+
+
+Hastings, et al.            Standards Track                   [Page 198]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'iso-a4x5-transparent': Specifies the ISO A4X5 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x5-translucent': Specifies the ISO A4X5 translucent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x6-white': Specifies the ISO A4X6 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+ 'iso-a4x6-transparent': Specifies the ISO A4X6 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x6-translucent': Specifies the ISO A4X6 translucent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x7-white': Specifies the ISO A4X7 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+ 'iso-a4x7-transparent': Specifies the ISO A4X7 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x7-translucent': Specifies the ISO A4X7 translucent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x8-white': Specifies the ISO A4X8 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+ 'iso-a4x8-transparent': Specifies the ISO A4X8 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x8-translucent': Specifies the ISO A4X8 translucent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x9-white': Specifies the ISO A4X9 white medium having the
+      width of the longer edge (297 mm) of the ISO A4 medium
+ 'iso-a4x9-transparent': Specifies the ISO A4X9 transparent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+ 'iso-a4x9-translucent': Specifies the ISO A4X9 translucent medium
+      having the width of the longer edge (297 mm) of the ISO A4
+      medium
+
+   The following standard values are defined for Japanese and European
+   Standard (i.e. ISO) engineering media, which are either a long fixed
+   size [ASME-Y14.1M] or roll feed, for devices that provide the
+   "synchro-cut" feature (see section 14.1):
+
+ 'iso-a0xsynchro-white': Specifies the paper having the width of the
+      longer edge (1189 mm) of the ISO A0 white medium and cuts
+      synchronizing with data.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 199]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'iso-a0xsynchro-transparent': Specifies the paper having the width of
+      the longer edge (1189 mm) of the ISO A0 transparent medium and
+      cuts synchronizing with data.
+ 'iso-a0xsynchro-translucent': Specifies the paper having the width of
+      the longer edge (1189 mm) of the ISO A0 translucent medium and
+      cuts synchronizing with data.
+ 'iso-a1xsynchro-white': Specifies the paper having the width of the
+      longer edge (841 mm) of the ISO A1 white medium and cuts
+      synchronizing with data.
+ 'iso-a1xsynchro-transparent': Specifies the paper having the width of
+      the longer edge (841 mm) of the ISO A1 transparent medium and
+      cuts synchronizing with data.
+ 'iso-a1xsynchro-translucent': Specifies the paper having the width of
+      the longer edge (841 mm) of the ISO A1 translucent medium and
+      cuts synchronizing with data.
+ 'iso-a2xsynchro-white': Specifies the paper having the width of the
+      longer edge (594 mm) of the ISO A2 white medium and cuts
+      synchronizing with data.
+ 'iso-a2xsynchro-transparent': Specifies the paper having the width of
+      the longer edge (594 mm) of the ISO A2 transparent medium and
+      cuts synchronizing with data.
+ 'iso-a2xsynchro-translucent': Specifies the paper having the width of
+      the longer edge (594 mm) of the ISO A2 translucent medium and
+      cuts synchronizing with data.
+ 'iso-a3xsynchro-white': Specifies the paper having the width of the
+      longer edge (420 mm) of the ISO A3 white medium and cuts
+      synchronizing with data.
+ 'iso-a3xsynchro-transparent': Specifies the paper having the width of
+      the longer edge (420 mm) of the ISO A3 transparent medium and
+      cuts synchronizing with data.
+ 'iso-a3xsynchro-translucent': Specifies the paper having the width of
+      the longer edge (420 mm) of the ISO A3 translucent medium and
+      cuts synchronizing with data.
+ 'iso-a4xsynchro-white': Specifies the paper having the width of the
+      longer edge (297 mm) of the ISO A4 white medium and cuts
+      synchronizing with data.
+ 'iso-a4xsynchro-transparent': Specifies the paper having the width of
+      the longer edge (297 mm) of the ISO A4 transparent medium and
+      cuts synchronizing with data.
+ 'iso-a4xsynchro-translucent': Specifies the paper having the width of
+      the longer edge (297 mm) of the ISO A4 transparent medium and
+      cuts synchronizing with data.
+
+   The following standard values are defined for American Standard (i.e.
+   ANSI) engineering media, American Architectural engineering media,
+   and Japanese and European Standard (i.e. ISO) engineering media,
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 200]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   which are either a long fixed size [ASME-Y14.1M] or roll feed, for
+   devices that provide the "synchro-cut" feature and/or the "auto-
+   select" feature (see section 14.1):
+
+ 'auto-white': Specifies that the printer selects the white medium
+      with the appropriate fixed size (e.g. a1, a2, etc.) or data-
+      synchro size, and the selection is implementation-defined.
+ 'auto-transparent': Specifies that the printer selects the
+      transparent medium with the appropriate fixed size (e.g. a1, a2,
+      etc.) or data-synchro size, and the selection is implementation-
+      defined.
+ 'auto-translucent': Specifies that the printer selects the
+      translucent medium with the appropriate fixed size (e.g. a1, a2,
+      etc.) or data-synchro size, and the selection is implementation-
+      defined.
+ 'auto-fixed-size-white': Specifies that the printer selects the white
+      medium with the appropriate fixed size (e.g. a1, a2, etc.) or
+      the appropriate long fixed size listed above.
+ 'auto-fixed-size-transparent': Specifies that the printer selects the
+      transparent medium with the appropriate fixed size (e.g. a1, a2,
+      etc.) or the appropriate long fixed size listed above.
+ 'auto-fixed-size-translucent': Specifies that the printer selects the
+      translucent medium with the appropriate fixed size (e.g. a1, a2,
+      etc.) or the appropriate long fixed size listed above.
+ 'auto-synchro-white': Specifies that the printer selects the white
+      paper with the appropriate width and cuts it synchronizing with
+      data.
+ 'auto-synchro-transparent': Specifies that the printer selects the
+      transparent paper with the appropriate width and cuts it
+      synchronizing with data.
+ 'auto-synchro-translucent': Specifies that the printer selects the
+      translucent paper with the appropriate width and cuts it
+      synchronizing with data.
+
+   The following standard values are defined for input-trays (from ISO
+   DPA and the Printer MIB):
+
+    'top': The top input tray in the printer.
+    'middle': The middle input tray in the printer.
+    'bottom': The bottom input tray in the printer.
+    'envelope': The envelope input tray in the printer.
+    'manual': The manual feed input tray in the printer.
+    'large-capacity': The large capacity input tray in the printer.
+    'main': The main input tray
+    'side': The side input tray
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 201]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The following standard values are defined for media sizes (from ISO
+   DPA):
+
+ 'iso-a0': Specifies the ISO A0 size: 841 mm by 1189 mm as defined in
+    ISO 216
+ 'iso-a1': Specifies the ISO A1 size: 594 mm by 841 mm as defined in
+    ISO 216
+ 'iso-a2': Specifies the ISO A2 size: 420 mm by 594 mm as defined in
+    ISO 216
+ 'iso-a3': Specifies the ISO A3 size: 297 mm by 420 mm as defined in
+    ISO 216
+ 'iso-a4': Specifies the ISO A4 size: 210 mm by 297 mm as defined in
+    ISO 216
+ 'iso-a5': Specifies the ISO A5 size: 148 mm by 210 mm as defined in
+    ISO 216
+ 'iso-a6': Specifies the ISO A6 size: 105 mm by 148 mm as defined in
+    ISO 216
+ 'iso-a7': Specifies the ISO A7 size: 74 mm by 105 mm as defined in
+    ISO 216
+ 'iso-a8': Specifies the ISO A8 size: 52 mm by 74 mm as defined in ISO
+    216
+ 'iso-a9': Specifies the ISO A9 size: 37 mm by 52 mm as defined in ISO
+    216
+ 'iso-a10': Specifies the ISO A10 size: 26 mm by 37 mm as defined in
+    ISO 216
+ 'iso-b0': Specifies the ISO B0 size: 1000 mm by 1414 mm as defined in
+    ISO 216
+ 'iso-b1': Specifies the ISO B1 size: 707 mm by 1000 mm as defined in
+    ISO 216
+ 'iso-b2': Specifies the ISO B2 size: 500 mm by 707 mm as defined in
+    ISO 216
+ 'iso-b3': Specifies the ISO B3 size: 353 mm by 500 mm as defined in
+    ISO 216
+ 'iso-b4': Specifies the ISO B4 size: 250 mm by 353 mm as defined in
+    ISO 216
+ 'iso-b5': Specifies the ISO B5 size: 176 mm by 250 mm as defined in
+    ISO 216
+ 'iso-b6': Specifies the ISO B6 size: 125 mm by 176 mm as defined in
+    ISO 216
+ 'iso-b7': Specifies the ISO B7 size: 88 mm by 125 mm as defined in
+    ISO 216
+ 'iso-b8': Specifies the ISO B8 size: 62 mm by 88 mm as defined in ISO
+    216
+ 'iso-b9': Specifies the ISO B9 size: 44 mm by 62 mm as defined in ISO
+    216
+ 'iso-b10': Specifies the ISO B10 size: 31 mm by 44 mm as defined in
+    ISO 216
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 202]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'na-letter': Specifies the North American letter size: 8.5 inches by
+    11 inches
+ 'na-legal': Specifies the North American legal size: 8.5 inches by 14
+    inches
+ 'na-8x10': Specifies the North American 8 inches by 10 inches
+ 'na-5x7': Specifies the North American 5 inches by 7 inches
+ 'executive': Specifies the executive size (7.25 X 10.5 in)
+ 'folio': Specifies the folio size (8.5 X 13 in)
+ 'invoice': Specifies the invoice size (5.5 X 8.5 in)
+ 'ledger': Specifies the ledger size (11 X 17 in)
+ 'quarto': Specifies the quarto size (8.5 X 10.83 in)
+ 'iso-c3': Specifies the ISO C3 size: 324 mm by 458 mm as defined in
+    ISO 269
+ 'iso-c4': Specifies the ISO C4 size: 229 mm by 324 mm as defined in
+    ISO 269
+ 'iso-c5': Specifies the ISO C5 size: 162 mm by 229 mm as defined in
+    ISO 269
+ 'iso-c6': Specifies the ISO C6 size: 114 mm by 162 mm as defined in
+    ISO 269
+ 'iso-designated-long': Specifies the ISO Designated Long size: 110 mm
+    by 220 mm as defined in ISO 269
+ 'na-10x13-envelope': Specifies the North American 10x13 size: 10
+    inches by 13 inches
+ 'na-9x12-envelope': Specifies the North American 9x12 size: 9 inches
+    by 12 inches
+ 'na-number-10-envelope': Specifies the North American number 10
+    business envelope size: 4.125 inches by 9.5 inches
+ 'na-7x9-envelope': Specifies the North American 7x9 inch envelope
+    size
+ 'na-9x11-envelope': Specifies the North American 9x11 inch envelope
+    size
+ 'na-10x14-envelope': Specifies the North American 10x14 inch envelope
+    size
+ 'na-number-9-envelope': Specifies the North American number 9
+    business envelope size
+ 'na-6x9-envelope': Specifies the North American 6x9 envelope size
+ 'na-10x15-envelope': Specifies the North American 10x15 envelope size
+ 'monarch-envelope': Specifies the Monarch envelope size (3.87 x 7.5
+    in)
+ 'jis-b0': Specifies the JIS B0 size: 1030mm x 1456mm
+ 'jis-b1': Specifies the JIS B1 size: 728mm x 1030mm
+ 'jis-b2': Specifies the JIS B2 size: 515mm x 728mm
+ 'jis-b3': Specifies the JIS B3 size: 364mm x 515mm
+ 'jis-b4': Specifies the JIS B4 size: 257mm x 364mm
+ 'jis-b5': Specifies the JIS B5 size: 182mm x 257mm
+ 'jis-b6': Specifies the JIS B6 size: 128mm x 182mm
+ 'jis-b7': Specifies the JIS B7 size: 91mm x 128mm
+ 'jis-b8': Specifies the JIS B8 size: 64mm x 91mm
+
+
+
+Hastings, et al.            Standards Track                   [Page 203]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+ 'jis-b9': Specifies the JIS B9 size: 45mm x 64mm
+ 'jis-b10': Specifies the JIS B10 size: 32mm x 45mm
+
+   The following standard values are defined for American Standard (i.e.
+   ANSI) engineering media sizes:
+
+    'a': Specifies the engineering ANSI A size medium: 8.5 inches x 11
+       inches
+    'b': Specifies the engineering ANSI B size medium: 11 inches x 17
+       inches
+    'c': Specifies the engineering ANSI C size medium: 17 inches x 22
+       inches
+    'd': Specifies the engineering ANSI D size medium: 22 inches x 34
+       inches
+    'e': Specifies the engineering ANSI E size medium: 34 inches x 44
+       inches
+
+   The following standard values are defined for American Architectural
+   engineering media sizes:
+
+    'arch-a': Specifies the Architectural A size medium: 9 inches x 12
+       inches
+    'arch-b': Specifies the Architectural B size medium: 12 inches x 18
+       inches
+    'arch-c': Specifies the Architectural C size medium: 18 inches x 24
+       inches
+    'arch-d': Specifies the Architectural D size medium: 24 inches x 36
+       inches
+    'arch-e': Specifies the Architectural E size medium: 36 inches x 48
+       inches
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 204]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+14.1. Examples
+
+   Below are examples to supplement the engineering media value
+   definitions.
+
+   Example 1:  "Synchro-Cut", a device cutting the roll paper in
+   synchronization with the data
+
+     data height:          A1 height
+     data width (shaded):  A1 width < data width < (A1 width) x 2
+     specified value:      'iso-a1xsynchro-white'
+
+               |                    |
+               |<--- data width --->|
+               |                    |
+               |              |     |        |
+               |<- A1 width ->|<- A1 width ->|
+               |              |     |        |
+     cross  ^  |              |     |        |
+      feed  |  +--------------------------------------------/
+ direction  |  |//////////////|/////|        |     ^       /
+            |  |//////////////|/////|        |     |      /
+            |  |//////////////|/////|        |     |     /
+            |  |//////////////|/////|        |     |     \
+<-----------+- |//////////////|/////|        |    A1      \  roll
+feed        |  |//////////////|/////|        |   height    \  paper
+direction      |//////////////|/////|        |     |        \
+               |//////////////|/////|        |     |        /
+               |//////////////|/////|        |     v       /
+               +------------------------------------------/
+                                    |
+                                    |
+                                    |<------ CUT HERE (to synchronize
+                                    |                with data width)
+                                    |
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 205]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Example 2: "Auto-Cut", a device cutting the roll paper at multiples
+   of fixed-size media width
+
+     data height:          A1 height
+     data width (shaded):  A1 width < data width < (A1 width) x 2
+     specified value:      'auto-fixed-size-white'
+
+                 |                    |
+                 |<--- data width --->|
+                 |                    |
+                 |              |     |        |
+                 |<- A1 width ->|<- A1 width ->|
+                 |              |     |        |
+     cross  ^    |              |     |        |
+      feed  |    +--------------------------------------------/
+ direction  |    |//////////////|/////|        |     ^       /
+            |    |//////////////|/////|        |     |      /
+            |    |//////////////|/////|        |     |     /
+            |    |//////////////|/////|        |     |     \
+<-----------+-   |//////////////|/////|        |    A1      \  roll
+feed        |    |//////////////|/////|        |   height    \  paper
+direction        |//////////////|/////|        |     |        \
+                 |//////////////|/////|        |     |        /
+                 |//////////////|/////|        |     v       /
+                 +------------------------------------------/
+                                               |
+                                               |
+                                               |<--- CUT HERE
+                                               |      (to synchronize
+                                               |       with data width)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 206]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Example 3:  the 'iso-a4x4-white' fixed size paper
+
+     paper height:         A4 height
+     paper width:          (A4 width) x 4
+     specified value:      'iso-a4x4-white'
+
+   |              |              |              |              |
+   |<- A4 width ->|<- A4 width ->|<- A4 width ->|<- A4 width ->|
+   |              |              |              |              |
+   |              |              |              |              |
+   +-----------------------------------------------------------+
+   |       ^      |              |              |              |
+   |       |      |              |              |              |
+   |       |      |              |              |              |
+   |      A4      |              |              |              |
+   |    height    |              |              |              |
+   |       |      |              |              |              |
+   |       |      |              |              |              |
+   |       |      |              |              |              |
+   |       v      |              |              |              |
+   +-----------------------------------------------------------+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 207]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Example 4: "Synchro-Cut", a device cutting the fixed size paper in
+   synchronization with the data
+
+     data height:          A4 height
+     data width (shaded):  (A4 width) x 2 < data width < (A4 width) x 3
+     specified value:      'iso-a4xsynchro-white'
+
+                    |                                   |
+                    |<---------- data width ----------->|
+                    |                                   |
+                    |              |              |     |        |
+                    |<- A4 width ->|<- A4 width ->|<- A4 width ->|
+                    |              |              |     |        |
+        cross  ^    |              |              |     |        |
+         feed  |    +--------------------------------------------+
+    direction  |    |//////////////|//////////////|/////|    ^   |
+               |    |//////////////|//////////////|/////|    |   |
+               |    |//////////////|//////////////|/////|    |   |
+               |    |//////////////|//////////////|/////|    |   |
+   <-----------+-   |//////////////|//////////////|/////|   A4   |
+   feed        |    |//////////////|//////////////|/////| height |
+   direction        |//////////////|//////////////|/////|    |   |
+                    |//////////////|//////////////|/////|    |   |
+                    |//////////////|//////////////|/////|    v   |
+                    +--------------------------------------------+
+                                                        |
+                                          CUT HERE ---->|
+                                    (to synchronize     |
+                                    with data width)    |
+
+15. APPENDIX D: Processing IPP Attributes
+
+   When submitting a print job to a Printer object, the IPP model allows
+   a client to supply operation and Job Template attributes along with
+   the document data.  These Job Template attributes in the create
+   request affect the rendering, production and finishing of the
+   documents in the job.  Similar types of instructions may also be
+   contained in the document to be printed, that is, embedded within the
+   print data itself.  In addition, the Printer has a set of attributes
+   that describe what rendering and finishing options which are
+   supported by that Printer.  This model, which allows for flexibility
+   and power, also introduces the potential that at job submission time,
+   these client-supplied attributes may conflict with either:
+
+      - what the implementation is capable of realizing (i.e., what the
+        Printer supports), as well as
+      - the instructions embedded within the print data itself.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 208]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The following sections describe how these two types of conflicts are
+   handled in the IPP model.
+
+15.1 Fidelity
+
+   If there is a conflict between what the client requests and what a
+   Printer object supports, the client may request one of two possible
+   conflict handling mechanisms:
+
+      1) either reject the job since the job can not be processed
+         exactly as specified, or
+      2) allow the Printer to make any changes necessary to proceed with
+         processing the Job the best it can.
+
+   In the first case the client is indicating to the Printer object:
+   "Print the job exactly as specified with no exceptions, and if that
+   can't be done, don't even bother printing the job at all." In the
+   second case, the client is indicating to the Printer object: "It is
+   more important to make sure the job is printed rather than be
+   processed exactly as specified; just make sure the job is printed
+   even if some client-supplied attributes need to be changed or
+   ignored."
+
+   The IPP model accounts for this situation by introducing an "ipp-
+   attribute-fidelity" attribute.
+
+   In a create request, "ipp-attribute-fidelity" is a boolean operation
+   attribute that is OPTIONALLY supplied by the client.  The value
+   'true' indicates that total fidelity to client supplied Job Template
+   attributes and values is required.  The client is requesting that the
+   Job be printed exactly as specified, and if that is not possible then
+   the job MUST be rejected rather than processed incorrectly.  The
+   value 'false' indicates that a reasonable attempt to print the Job is
+   acceptable.  If a Printer does not support some of the client
+   supplied Job Template attributes or values, the Printer MUST ignore
+   them or substitute any supported value for unsupported values,
+   respectively.  The Printer may choose to substitute the default value
+   associated with that attribute, or use some other supported value
+   that is similar to the unsupported requested value.  For example, if
+   a client supplies a "media" value of 'na-letter', the Printer may
+   choose to substitute 'iso-a4' rather than a default value of
+   'envelope'. If the client does not supply the "ipp-attribute-
+   fidelity" attribute, the Printer assumes a value of 'false'.
+
+   Each Printer implementation MUST support both types of "fidelity"
+   printing (that is whether the client supplies a value of 'true' or
+   'false'):
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 209]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      - If the client supplies 'false' or does not supply the attribute,
+        the Printer object MUST always accept the request by ignoring
+        unsupported Job Template attributes and by substituting
+        unsupported values of supported Job Template attributes with
+        supported values.
+      - If the client supplies 'true', the Printer object MUST reject
+        the request if the client supplies unsupported Job Template
+        attributes.
+
+   Since a client can always query a Printer to find out exactly what is
+   and is not supported, "ipp-attribute-fidelity" set to 'false' is
+   useful when:
+
+      1) The End-User uses a command line interface to request
+         attributes that might not be supported.
+      2) In a GUI context, if the End User expects the job might be
+         moved to another printer and prefers a sub-optimal result to
+         nothing at all.
+      3) The End User just wants something reasonable in lieu of nothing
+         at all.
+
+15.2 Page Description Language (PDL) Override
+
+   If there is a conflict between the value of an IPP Job Template
+   attribute and a corresponding instruction in the document data, the
+   value of the IPP attribute SHOULD take precedence over the document
+   instruction.  Consider the case where a previously formatted file of
+   document data is sent to an IPP Printer.  In this case, if the client
+   supplies any attributes at job submission time, the client desires
+   that those attributes override the embedded instructions.  Consider
+   the case were a previously formatted document has embedded in it
+   commands to load 'iso-a4' media.  However, the document is passed to
+   an end user that only has access to a printer with 'na-letter' media
+   loaded.  That end user most likely wants to submit that document to
+   an IPP Printer with the "media" Job Template attribute set to 'na-
+   letter'.  The job submission attribute should take precedence over
+   the embedded PDL instruction.  However, until companies that supply
+   document data interpreters allow a way for external IPP attributes to
+   take precedence over embedded job production instructions, a Printer
+   might not be able to support the semantics that IPP attributes
+   override the embedded instructions.
+
+   The IPP model accounts for this situation by introducing a "pdl-
+   override-supported" attribute that describes the Printer objects
+   capabilities to override instructions embedded in the PDL data
+   stream.  The value of the "pdl-override-supported" attribute is
+   configured by means outside the scope of this IPP/1.1 document.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 210]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   This REQUIRED Printer attribute takes on the following values:
+
+      - 'attempted': This value indicates that the Printer object
+        attempts to make the IPP attribute values take precedence over
+        embedded instructions in the document data, however there is no
+        guarantee.
+      - 'not-attempted': This value indicates that the Printer object
+        makes no attempt to make the IPP attribute values take
+        precedence over embedded instructions in the document data.
+
+   At job processing time, an implementation that supports the value of
+   'attempted' might do one of several different actions:
+
+      1) Generate an output device specific command sequence to realize
+         the feature represented by the IPP attribute value.
+      2) Parse the document data itself and replace the conflicting
+         embedded instruction with a new embedded instruction that
+         matches the intent of the IPP attribute value.
+      3) Indicate to the Printer that external supplied attributes take
+         precedence over embedded instructions and then pass the
+         external IPP attribute values to the document data interpreter.
+      4) Anything else that allows for the semantics that IPP attributes
+         override embedded document data instructions.
+
+   Since 'attempted' does not offer any type of guarantee, even though a
+   given Printer object might not do a very "good" job of attempting to
+   ensure that IPP attributes take a higher precedence over instructions
+   embedded in the document data, it would still be a conforming
+   implementation.
+
+   At job processing time, an implementation that supports the value of
+   'not-attempted' might do one of the following actions:
+
+      1) Simply pre-pend the document data with the PDL instruction that
+         corresponds to the client-supplied PDL attribute, such that if
+         the document data also has the same PDL instruction, it will
+         override what the Printer object pre-pended.  In other words,
+         this implementation is using the same implementation semantics
+         for the client-supplied IPP attributes as for the Printer
+         object defaults.
+
+      2) Parse the document data and replace the conflicting embedded
+         instruction with a new embedded instruction that approximates,
+         but does not match, the semantic intent of the IPP attribute
+         value.
+
+   Note:  The "ipp-attribute-fidelity" attribute applies to the
+   Printer's ability to either accept or reject other unsupported Job
+
+
+
+Hastings, et al.            Standards Track                   [Page 211]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   Template attributes.  In other words, if "ipp-attribute-fidelity" is
+   set to 'true', a Job is accepted if and only if the client supplied
+   Job Template attributes and values are supported by the Printer.
+   Whether these attributes actually affect the processing of the Job
+   when the document data contains embedded instructions depends on the
+   ability of the Printer to override the instructions embedded in the
+   document data with the semantics of the IPP attributes.  If the
+   document data attributes can be overridden ("pdl-override-supported"
+   set to 'attempted'), the Printer makes an attempt to use the IPP
+   attributes when processing the Job. If the document data attributes
+   can not be overridden ("pdl-override-supported" set to 'not-
+   attempted'), the Printer makes no attempt to override the embedded
+   document data instructions with the IPP attributes when processing
+   the Job, and hence, the IPP attributes may fail to affect the Job
+   processing and output when the corresponding instruction is embedded
+   in the document data.
+
+15.3 Using Job Template Attributes During Document Processing.
+
+   The Printer object uses some of the Job object's Job Template
+   attributes during the processing of the document data associated with
+   that job.  These include, but are not limited to, "orientation-
+   requested", "number-up", "sides", "media", and "copies".  The
+   processing of each document in a Job Object MUST follow the steps
+   below. These steps are intended only to identify when and how
+   attributes are to be used in processing document data and any
+   alternative steps that accomplishes the same effect can be used to
+   implement this specification document.
+
+      1. Using the client supplied "document-format" attribute or some
+         form of document format detection algorithm (if the value of
+         "document-format" is not specific enough), determine whether or
+         not the document data has already been formatted for printing.
+         If the document data has been formatted, then go to step 2.
+         Otherwise, the document data MUST be formatted. The formatting
+         detection algorithm is implementation defined and is not
+         specified by this document.  The formatting of the document
+         data uses the "orientation-requested" attribute to determine
+         how the formatted print data should be placed on a print-stream
+         page, see section 4.2.10 for the details.
+
+      2. The document data is in the form of a print-stream in a known
+         media type. The "page-ranges" attribute is used to select, as
+         specified in section 4.2.7, a sub-sequence of the pages in the
+         print-stream that are to be processed and images.
+
+      3. The input to this step is a sequence of print-stream pages.
+         This step is controlled by the "number-up" attribute. If the
+
+
+
+Hastings, et al.            Standards Track                   [Page 212]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+         value of "number-up" is N, then during the processing of the
+         print-stream pages, each N print-stream pages are positioned,
+         as specified in section 4.2.9, to create a single impression.
+         If a given document does not have N more print-stream pages,
+         then the completion of the impression is controlled by the
+         "multiple-document-handling" attribute as described in section
+         4.2.4; when the value of this attribute is 'single-document' or
+         'single-document-new-sheet', the print-stream pages of document
+         data from subsequent documents is used to complete the
+         impression.
+
+         The size(scaling), position(translation) and rotation of the
+         print-stream pages on the impression is implementation defined.
+         Note that during this process the print-stream pages may be
+         rendered to a form suitable for placing on the impression; this
+         rendering is controlled by the values of the "printer-
+         resolution" and "print-quality" attributes as described in
+         sections 4.2.12 and 4.2.13. In the case N=1, the impression is
+         nearly the same as the print-stream page; the differences would
+         only be in the size, position and rotation of the print-stream
+         page and/or any decoration, such as a frame to the page, that
+         is added by the implementation.
+
+      4. The collection of impressions is placed, in sequence, onto
+         sides of the media sheets. This placement is controlled by the
+         "sides" attribute and the orientation of the print-stream page,
+         as described in section 4.2.8. The orientation of the print-
+         stream pages affects the orientation of the impression; for
+         example, if "number-up" equals 2, then, typically, two portrait
+         print-stream pages become one landscape impression. Note that
+         the placement of impressions onto media sheets is also
+         controlled by the "multiple-document-handling" attribute as
+         described in section 4.2.4.
+
+      5. The "copies" and "multiple-document-handling" attributes are
+         used to determine how many copies of each media instance are
+         created and in what order. See sections 4.2.5 and 4.2.4 for the
+         details.
+
+      6. When the correct number of copies are created, the media
+         instances are finished according to the values of the
+         "finishings" attribute as described in 4.2.6. Note that
+         sometimes finishing operations may require manual intervention
+         to perform the finishing operations on the copies, especially
+         uncollated copies. This document allows any or all of the
+         processing steps to be performed automatically or manually at
+         the discretion of the Printer object.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 213]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+16. APPENDIX E: Generic Directory Schema
+
+   This section defines a generic schema for an entry in a directory
+   service.  A directory service is a means by which service users can
+   locate service providers.  In IPP environments, this means that IPP
+   Printers can be registered (either automatically or with the help of
+   an administrator) as entries of type printer in the directory using
+   an implementation specific mechanism such as entry attributes, entry
+   type fields, specific branches, etc.  Directory clients can search or
+   browse for entries of type printer.  Clients use the directory
+   service to find entries based on naming, organizational contexts, or
+   filtered searches on attribute values of entries.  For example, a
+   client can find all printers in the "Local Department" context.
+   Authentication and authorization are also often part of a directory
+   service so that an administrator can place limits on end users so
+   that they are only allowed to find entries to which they have certain
+   access rights.  IPP itself does not require any specific directory
+   service protocol or provider.
+
+   Note: Some directory implementations allow for the notion of
+   "aliasing".  That is, one directory entry object can appear as
+   multiple directory entry object with different names for each object.
+   In each case, each alias refers to the same directory entry object
+   which refers to a single IPP Printer object.
+
+   The generic schema is a subset of IPP Printer Job Template and
+   Printer Description attributes (sections 4.2 and 4.4).  These
+   attributes are identified as either RECOMMENDED or OPTIONAL for the
+   directory entry itself.  This conformance labeling is NOT the same
+   conformance labeling applied to the attributes of IPP Printers
+   objects.  The conformance labeling in this Appendix is intended to
+   apply to directory templates and to IPP Printer implementations that
+   subscribe by adding one or more entries to a directory.  RECOMMENDED
+   attributes SHOULD be associated with each directory entry.  OPTIONAL
+   attributes MAY be associated with the directory entry (if known or
+   supported).  In addition, all directory entry attributes SHOULD
+   reflect the current attribute values for the corresponding Printer
+   object.
+
+   The names of attributes in directory schema and entries SHOULD be the
+   same as the IPP Printer attribute names as shown, as much as
+   possible.
+
+   In order to bridge between the directory service and the IPP Printer
+   object, one of the RECOMMENDED directory entry attributes is the
+   Printer object's "printer-uri-supported" attribute.  The directory
+   client queries the "printer-uri-supported" attribute (or its
+   equivalent) in the directory entry and then the IPP client addresses
+
+
+
+Hastings, et al.            Standards Track                   [Page 214]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   the IPP Printer object using one of its URIs.  The "uri-security-
+   supported" attribute identifies the protocol (if any) used to secure
+   a channel.
+
+   The following attributes define the generic schema for directory
+   entries of type PRINTER:
+
+     printer-uri-supported              RECOMMENDED    Section 4.4.1
+     uri-authentication-supported       RECOMMENDED    Section 4.4.2
+     uri-security-supported             RECOMMENDED    Section 4.4.3
+     printer-name                       RECOMMENDED    Section 4.4.4
+     printer-location                   RECOMMENDED    Section 4.4.5
+     printer-info                       OPTIONAL       Section 4.4.6
+     printer-more-info                  OPTIONAL       Section 4.4.7
+     printer-make-and-model             RECOMMENDED    Section 4.4.9
+     ipp-versions-supported             RECOMMENDED    Section 4.4.14
+     multiple-document-jobs-supported   OPTIONAL       Section 4.4.16
+     charset-supported                  OPTIONAL       Section 4.4.18
+
+     generated-natural-language-
+        supported                       OPTIONAL       Section 4.4.20
+     document-format-supported          RECOMMENDED    Section 4.4.22
+     color-supported                    RECOMMENDED    Section 4.4.26
+     compression-supported              RECOMMENDED    Section 4.4.32
+     pages-per-minute                   OPTIONAL       Section 4.4.36
+     pages-per-minute-color             OPTIONAL       Section 4.4.37
+
+     finishings-supported               OPTIONAL       Section 4.2.6
+     number-up-supported                OPTIONAL       Section 4.2.7
+     sides-supported                    RECOMMENDED    Section 4.2.8
+     media-supported                    RECOMMENDED    Section 4.2.11
+     printer-resolution-supported       OPTIONAL       Section 4.2.12
+     print-quality-supported            OPTIONAL       Section 4.2.13
+
+17. APPENDIX F:  Differences between the IPP/1.0 and IPP/1.1 "Model and
+    Semantics" Documents
+
+   This Appendix is divided into two lists that summarize the
+   differences between IPP/1.1 (this document) and IPP/1.0 [RFC2566].
+   The section numbers refer to the numbers in this document which in
+   some cases have changed from RFC 2566.  When a change affects
+   multiple sections, the item is listed once in the order of the first
+   section affected and the remaining affected section numbers are
+   indicated.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 215]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+   The first list contains extensions and clarifications and the second
+   list contains changes in semantics or conformance.  However, client
+   and IPP object implementations of IPP/1.0 MAY implement any of the
+   extensions and clarifications in this document.
+
+   The following extensions and clarifications have been incorporated
+   into this document:
+
+      1.  Section 2.1 - clarified that the term "client" can be either
+          contained in software controlled by an end user or a part of a
+          print server that controls devices.
+      2.  Section 2 - clarified that the term "IPP object" and "Printer
+          object" can either be embedded in a device object or part of a
+          print server that accepts IPP requests.
+      3.  Section 2.4 - added the description of the new "uri-
+          authentication-supported" Printer Description attribute.
+      4.  Section 3.1.3, 3.1.6, 3.2.5.2, and 3.2.6.2 - clarified the
+          error handling for operation attributes that have their own
+          status code.
+      5.  Section 3.1.3 - clarified that multiple occurrences of the
+          same attribute in an attribute group is mal-formed.  An IPP
+          Printer MAY reject the request or choose one of the
+          attributes.
+      6.  Section 3.1.6 - reorganized this section into sub-sections to
+          separately describe "status-code", "status-message",
+          "detailed-status-message", and "document-access-error"
+          attributes.
+      7.  Section 3.1.6.1 - clarified the error status codes and their
+          relationship to operation attributes.
+      8.  Section 3.1.6.3 - Added the OPTIONAL "detailed-status-message
+          (text(MAX))" operation attribute to provide additional more
+          detailed information about a response.
+      9.  Section 3.1.6.4 and 3.2.2 - Added the OPTIONAL "document-
+          access-error (text(MAX))" operation attribute for use with
+          Print-URI and Send-URI responses.
+      10. Sections 3.1.7 - Added this new section to clarify returning
+          Unsupported Attributes for all operations, including only
+          returning attributes that were in the request.  Moved the text
+          from section 3.2.1.2 Unsupported Attributes to this section.
+      11. Sections 3.1.7 and 4.1 - clarified the encoding of the "out-
+          of-band" 'unsupported' and 'unknown' values.
+      12. Section 3.1.8 - clarified that only the version number
+          parameter will be carried forward into future major or minor
+          versions of the protocol.
+      13. Section 3.1.8 - relaxed the requirements to increment the
+          major version number in future versions of the Model and
+          Semantics document.
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 216]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      14. Section 3.1.9, and 3.2.5 - added the 'processing' state to the
+          list of job states that a job can be in after a Create-Job
+          operation.
+      15. Section 3.1.9 - clarified that a non-spooling Printer MAY
+          accept zero or more subsequent jobs while processing a job and
+          flow control them down.  Subsequent create requests are
+          rejected with the 'server-error-busy' error status.
+      16. Section 3.2.1.1 - clarified the validation of the
+          "compression" operation attribute and its relationship to the
+          validation of the "document-format" attribute and returning
+          Unsupported Attributes.
+      17. Sections 3.2.1.1, 4.3.8, 13.1.4.16, and 13.1.4.17 - added the
+          'client-error-compression-not-supported', 'client-error-
+          compression-error' status codes and the 'unsupported-
+          compression' and 'compression-error' job-state-reasons.
+      18. Sections 3.2.1.1 and 4.3.8 - added 'unsupported-document-
+          format' and 'document-format-error' job-state-reasons.
+      19. Sections 3.2.2, 4.3.8 and 13.1.4.19 - added 'client-error-
+          document-access-error' status code and 'document-access-error'
+          job state reason.
+      20. Section 3.2.5.2 and 3.2.6.2 - clarified that the Unsupported
+          Attributes group MUST NOT include attributes not requested in
+          the Get-Printer-Attributes request.
+      21. Section 3.2.6 - clarified that "limit" takes precedence over
+          "which-jobs" and "my-jobs'.
+      22. Section 3.2.6.2 - clarified that Get-Jobs returns
+          'successful-ok' when no jobs to return.
+      23. Sections 3.2.7, 3.2.8, and 3.2.9 - added the OPTIONAL Pause-
+          Printer, Resume-Printer, and Purge-Jobs operations
+      24. Section 3.3.1  - clarified that the authorization required for
+          a Send-Document request MUST be the same user as the Create-
+          Job or an operator.
+      25. Section 3.3.1.1 - clarified that a Create-Job Send-Document
+          with "last-document" = 'true' and no data is not an error; its
+          a job with no documents.
+      26. Sections 3.3.5, 3.3.6, and 3.3.7 - added the OPTIONAL Hold-
+          Job, Release-Job, and Restart-Job operations.  Clarified the
+          Restart-Job operation so that the Printer MUST re-fetch any
+          documents passed by-reference (Print-URI or Send-URI).
+      27. Section 4.1 - clarified that the encoding of the out-of-band
+          values are specified in the Encoding and Transport" document.
+      28. Section 4.1 - Clarified that the requirement that clients MUST
+          NOT send "out-of-band" values in requests applies only to
+          operations defined in this document.  Other operations are
+          allowed to define "out-of-band" values that clients can
+          supply.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 217]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      29. Sections 4.1.1 and 4.1.2 - clarified that the maximum 'text'
+          and 'name' values of 1023 and 255 are for the
+          'textWithoutLanguage' portion of the 'textWithLanguage' form,
+          so that the maximum number of octets for the actual text and
+          name data is the same for the without and with language forms;
+          the 'naturalLanguage' part is in addition.
+      30. Section 4.1.9 - clarified that 'mimeMediaType' values can
+          include any parameters from the IANA Registry, not just
+          charset parameters.
+      31. Section 4.1.9.1 - clarified that 'application/octet-stream'
+          auto-sensing can happen at create request time and/or
+          job/document processing time.
+      32. Section 4.1.9.1 - clarified that auto-sensing involves the
+          Printer examining some number of octets of document data using
+          an implementation-dependent method.
+      33. Section 4.1.14 - clarified that the localization of dateTime
+          by the client includes the time zone.
+      34. Section 4.2 - clarified that xxx-supported have multiple
+          keywords and/or names by adding parentheses to the table to
+          give:  (1setOf (type3 keyword | name))
+      35. Section 4.2.2 - added the 'indefinite' keyword value to the
+          "job-hold-until" attribute for use with the create operations
+          and Hold-Job and Restart-Job operations.
+      36. Section 4.2.6 - added more enum values to the "finishings" Job
+          Template attribute.
+      37. Section 4.2.6 - clarified that the landscape definition is a
+          rotation of the image with respect to the medium.
+      38. Section 4.3.7 - added that a forwarding server that cannot get
+          any job state MAY return the job's state as 'completed',
+          provided that it also return the new 'queued-in-device' job
+          state reason.
+      39. Section 4.3.7.2 - added the Partitioning of Job States section
+          to clarify the concepts of Job Retention, Job History, and Job
+          Removal.
+      40. Section 4.3.8 - added 'job-data-insufficient' job state reason
+          to indicate whether sufficient data has arrived for the
+          document to start to be processed.
+      41. Section 4.3.8 - added 'document-access-error' job state reason
+          to indicate an access error of any kind.
+      42. Section 4.3.8 - added 'job-queued-for-marker' job state reason
+          to indicate whether the job has completed some processing and
+          is waiting for the marker.
+      43. Section 4.3.8 - added 'unsupported-compression' and
+          'compression-error' job state reasons to indicate compression
+          not supported or compression processing error after the create
+          has been accepted.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 218]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      44. Section 4.3.8 - added 'unsupported-document-format' and
+          'document-format-error' job state reasons to indicate document
+          not supported or document format processing error after the
+          create has been accepted.
+      45. Section 4.3.8 - added 'queued-in-device' job state reason to
+          indicate that a job as been forwarded to a print system or
+          device that does not provide any job status.
+      46. Section 4.3.10 - added "job-detailed-status-messages (1setOf
+          text(MAX)) for returning detailed error messages.
+      47. Section 4.3.11 - added the "job-document-access-errors (1setOf
+          text(MAX))
+      48. Section 4.3.14.2 - clarified that the time recorded is the
+          first time processing since the create operation or the
+          Restart-Job operation.
+      49. Section 4.3.14.2 and 4.3.14.3 - clarified that the out-of-band
+          value 'no-value' is returned if the job has not started
+          processing or has not completed, respectively.
+      50. Section 4.3.14 - Added the OPTIONAL "date-time-at-creation",
+          "date-time-at-processing", and "date-time-at-completed" Event
+          Time Job Description attributes
+      51. Section 4.4.3 - added the 'tls' value to "uri-security-
+          supported" attribute.
+      52. Section 4.4.3 - clarified "uri-security-supported" is
+          orthogonal to Client Authentication so that 'none' does not
+          exclude Client Authentication.
+      53. Section 4.4.11 - simplified the "printer-state" descriptions
+          while generalizing to allow high end devices that interpret
+          one or more jobs while marking another.  Indicated that
+          'spool-area-full' and 'stopped-partly' "printer-state-reasons"
+          may be used to provide further state information.
+      54. Section 4.4.12 - added the 'moving-to-paused' keyword value to
+          the "printer-state-reasons" attribute for use with the Pause-
+          Printer operation.
+      55. Section 4.4.12 - replaced the duplicate 'marker-supply-low'
+          keyword with the missing 'toner-empty' keyword for the
+          "printer-state-reasons" attribute.  (This correction was also
+          made before RFC 2566 was published).
+      56. Section 4.4.12 - clarified 'spool-area-full' "printer-state-
+          reasons" to include non-spooling printers to indicate when it
+          can and cannot accept another job.
+      57. Section 4.4.15 - added the enum values to the "operations-
+          supported" attribute for the new operations.  Clarified that
+          the values of this attribute are encoded as any enum, namely
+          32-bit values.
+      58. Section 4.4.30 - clarified that the dateTime value of
+          "printer-current-time" is on a "best efforts basis".  If a
+          proper date-time cannot be obtained, the implementation
+          returns the 'no-value' out-of-band value.  Also clarified that
+
+
+
+Hastings, et al.            Standards Track                   [Page 219]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+          the time zone NEED NOT be the time zone that the people near
+          the device use and that the client SHOULD display the dateTime
+          attributes in the user's local time.
+      59. Sections 4.4.36 and 4.4.37 - added the OPTIONAL "pages-per-
+          minute" and "pages-per-minute-color" Printer Description
+          attributes.
+      60. Section 5.1 - clarified that the client conformance
+          requirements apply to clients controlled by an end user and
+          clients in servers.
+      61. Section 5.1 - clarified that any response MAY contain
+          additional attribute groups, attributes, attribute syntaxes,
+          or attribute values.
+      62. Section 5.1 - clarified that a client SHOULD do its best to
+          prevent a channel from being closed by a lower layer when the
+          channel is flow controlled off by the IPP Printer.
+      63. Section 5.2 - clarified that the IPP object requirements apply
+          to objects embedded in devices or that are parts of servers.
+      64. Section 5.2.2 - clarified that IPP objects MAY return
+          operation responses that contain attribute groups, attribute
+          names, attribute syntaxes, attribute values, and status codes
+          that are extensions to this standard.
+      65. Section 6 - changed the terminology of "private extensions" to
+          "vendor extensions" and indicated that they are registered
+          with IANA along with IETF standards track extensions.
+      66. Section 6.7 - inserted this section on registering out-of-band
+          attribute values with IANA as extensions.
+      67. Section 8.3 - clarified the use of URIs for each Client
+          Authentication mechanism.
+      68. Section 8.5 - added the security discussion around the new
+          operator/administrator operations.
+      69. Section 13.1.4.16 - added client-error-compression-not-
+          supported (0x040F)
+      70. Section 13.1.4.17 - added client-error-compression-error
+          (0x0410)
+      71. Section 13.1.4.18 - added client-error-document-format-error
+          (0x0411)
+      72. Section 13.1.4.19 - added client-error-document-access-error
+          (0x0412)
+      73. Section 13.1.5.10 - added server-error-multiple-document-
+          jobs-not-supported (0x0509)
+      74. Section 14 - added 'a-white', 'b-white', 'c-white', 'd-white',
+          and 'e-white' and clarified that the existing 'a', 'b', 'c',
+          'd', and 'e' values are size values.  Added American,
+          Japanese, and European Engineering sizes, filled out
+          -transparent and - translucent media names and drawings for
+          the synchro cut sizes.
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 220]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      75. Section 16 - softened the RECOMMENDATION for IPP Printer
+          attributes in a Directory schema so that they can have
+          equivalents.
+      76. Section 16 - added the OPTIONAL "pages-per-minute" and
+          "pages-per-minute-color" Printer attributes to the Directory
+          schema.
+      77. Section 16 - added OPTIONAL "multiple-document-jobs-supported"
+          to the Directory schema.
+      78. Section 16 - added RECOMMENDED "uri-authentication-supported",
+          "ipp-versions-supported", and "compression-supported" to the
+          Directory schema.
+
+   The following changes in semantics and/or conformance have been
+   incorporated into this document:
+
+      1.  Section 3.1.6.3 - allowed a Printer to localize the
+          "detailed-status-message" operation response attribute, but
+          indicated that such localization might obscure the technical
+          meaning of such messages.
+      2.  Section 3.1.8, 5.2.4, and 13.1.5.4 - Clients and IPP objects
+          MUST support version 1.1 conformance requirements.   It is
+          recommended that they interoperate with 1.0.  Also clarified
+          that IPP Printers MUST accept '1.1' requests.   It is
+          recommended that they also accept '1.x' requests.
+
+      3.  Section 3.2.1.1 and section 4.4.32 - changed the "compression"
+          operation and the "compression-supported" Printer Description
+          attribute from OPTIONAL to REQUIRED.
+      4.  Sections 3.2.1.2 and 4.3.8 - changed "job-state-reasons" from
+          RECOMMENDED to REQUIRED, so that "job-state-reasons" MUST be
+          returned in create operation responses.
+      5.  Sections 3.2.4, 3.3.1, 4.4.16, and 16 - changed Create-
+          Job/Send-Document so that they MAY be implemented while only
+          supporting one document jobs.  Added the "multiple-document-
+          jobs-supported" boolean Printer Description attribute to
+          indicate whether Create-Job/Send-Document support multiple
+          document jobs or not.  Added to the Directory schema.
+      6.  Section 4.1.9 - deleted 'text/plain; charset=iso-10646-ucs-2',
+          since binary is not legal with the 'text' type.
+      7.  Section 4.1.9.1 - added the RECOMMENDATION that a Printer
+          indicate by printing on the job's job-start-sheet that auto-
+          sensing has occurred and what document format was auto-sensed.
+      8.  Section 4.2.4 - indicated that the "multiple-document-
+          handling" Job Template attribute MUST be supported with at
+          least one value if the Printer supports multiple documents per
+          job
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 221]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      9.  Section 4.3.7.2 - indicated that the 'job-restartable' job
+          state reason SHOULD be supported if the Restart-Job operation
+          is supported.
+      10. Section 4.3.8 - changed "job-state-reasons" from RECOMMENDED
+          to REQUIRED.
+      11. Section 4.3.8 - clarified the conformance of the values of the
+          "job-state-reasons" attribute by copying conformance
+          requirements from other sections of the document so that it is
+          clear from reading the definition of "job-state-reasons" which
+          values MUST or SHOULD be supported.  The 'none',
+          'unsupported-compression', and 'unsupported-document-format'
+          values MUST be supported.  The 'job-hold-until-specified'
+          SHOULD be specified if the "job-hold-until" Job Template is
+          supported.  The following values SHOULD be supported:  'job-
+          canceled-by-user', 'aborted-by-system', and 'job-completed-
+          successfully'.  The
+          'job-canceled-by-operator' SHOULD be supported if the
+          implementation permits canceling by other than the job owner.
+          The 'job-canceled-at-device' SHOULD be supported if the device
+          supports canceling jobs at the console.  The 'job-completed-
+          with-warnings' SHOULD be supported, if the implementation
+          detects warnings.  The 'job-completed-with-errors' SHOULD be
+          supported if the implementation detects errors.  The 'job-
+          restartable' SHOULD be supported if the Restart-Job operation
+          is supported.
+      12. Section 4.3.10 - allowed a Printer to localize the "job-
+          detailed-status-message" Job Description attribute, but
+          indicated that such localization might obscure the technical
+          meaning of such messages.
+      13. Section 4.3.14 - changed the "time-at-creation", "time-at-
+          processing", and "time-at-completed" Event Time Job
+          Description attributes from OPTIONAL to REQUIRED.
+      14. Section 4.3.14.4 - added the REQUIRED "job-printer-up-time
+          (integer(1:MAX))" Job Description attribute as an alias for
+          "printer-up-time" to reduce number of operations to get job
+          times.
+      15. Section 4.4.2 - added the REQUIRED "uri-authentication-
+          supported (1setOf type2 keyword)" Printer Description
+          attribute to describe the Client Authentication used by each
+          Printer URI.
+      16. Section 4.4.12 - changed "printer-state-reasons" Printer
+          Description attribute from OPTIONAL to REQUIRED.
+      17. Section 4.4.12 - changed 'paused' value of "printer-state-
+          reasons" to MUST if Pause-Printer operation is supported.
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 222]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+      18. Section 4.4.14 - added the REQUIRED "ipp-versions-supported
+          (1setOf keyword)" Printer Description attribute, since IPP/1.1
+          Printers do not have to support version '1.0' conformance
+          requirements.  Section 4.4.16 - added the "multiple-document-
+          jobs-supported (boolean)" Printer Description attribute so
+          that a client can tell whether a Printer that supports
+          Create-Job/Send-Document supports multiple document jobs or
+          not.  This attribute is REQUIRED if the Create-Job operation
+          is supported.
+      19. Section 4.4.24 - changed the "queued-job-count" Printer
+          Description attribute from RECOMMENDED to REQUIRED.
+      20. Section 4.4.32 - changed "compression-supported (1setOf type3
+          keyword)" Printer Description attribute from OPTIONAL to
+          REQUIRED.
+      21. Section 5.1 - changed the client security requirements from
+          RECOMMENDED non-standards track SSL3 to MUST support Client
+          Authentication as defined in the IPP/1.1 Encoding and
+          Transport document [RFC2910].  A client SHOULD support
+          Operation Privacy and Server Authentication as defined in the
+          IPP/1.1 Encoding and Transport document [RFC2910].
+      22. Section 5.2.7 - changed the IPP object security requirements
+          from OPTIONAL non-standards track SSL3 to SHOULD contain
+          support for Client Authentication as defined in the IPP/1.1
+          Encoding and Transport document [RFC2910].  A Printer
+          implementation MAY allow an administrator to configure the
+          Printer so that all, some, or none of the users are
+          authenticated.  An IPP Printer implementation SHOULD contain
+          support for Operation Privacy and Server Authentication as
+          defined in the IPP/1.1 Encoding and Transport document
+          [RFC2910].  A Printer implementation MAY allow an
+          administrator to configure the degree of support for Operation
+          Privacy and Server Authentication.  Security MUST NOT be
+          compromised when the client supplies a lower version-number in
+          a request.
+      23. Section 14 (Appendix C): Corrected typo, changing the keyword
+          'iso-10-white' to 'iso-a10-white'.
+
+   See also the "IPP/1.1 Encoding and Transport" [RFC2910] document for
+   differences between IPP/1.0 [RFC2565] and IPP/1.1 [RFC2910].
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 223]
+
+RFC 2911              IPP/1.1: Model and Semantics        September 2000
+
+
+18.  Full Copyright Statement
+
+   Copyright (C) The Internet Society (2000).  All Rights Reserved.
+
+   This document and translations of it may be copied and furnished to
+   others, and derivative works that comment on or otherwise explain it
+   or assist in its implementation may be prepared, copied, published
+   and distributed, in whole or in part, without restriction of any
+   kind, provided that the above copyright notice and this paragraph are
+   included on all such copies and derivative works.  However, this
+   document itself may not be modified in any way, such as by removing
+   the copyright notice or references to the Internet Society or other
+   Internet organizations, except as needed for the purpose of
+   developing Internet standards in which case the procedures for
+   copyrights defined in the Internet Standards process must be
+   followed, or as required to translate it into languages other than
+   English.
+
+   The limited permissions granted above are perpetual and will not be
+   revoked by the Internet Society or its successors or assigns.
+
+   This document and the information contained herein is provided on an
+   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+   Funding for the RFC Editor function is currently provided by the
+   Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Hastings, et al.            Standards Track                   [Page 224]
+
diff --git a/systemv/.cvsignore b/systemv/.cvsignore
new file mode 100644
index 000000000..9d86f74cb
--- /dev/null
+++ b/systemv/.cvsignore
@@ -0,0 +1,10 @@
+lp
+cupsaddsmb
+lppasswd
+lpoptions
+lpadmin
+accept
+cancel
+lpinfo
+lpmove
+lpstat
diff --git a/systemv/Makefile b/systemv/Makefile
new file mode 100644
index 000000000..e8929ed84
--- /dev/null
+++ b/systemv/Makefile
@@ -0,0 +1,190 @@
+#
+# "$Id$"
+#
+#   System V commands makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+TARGETS	=	accept cancel cupsaddsmb lp lpadmin lpinfo lpmove \
+		lpoptions lppasswd lpstat
+OBJS	=	accept.o cancel.o cupsaddsmb.o lp.o lpadmin.o \
+		lpinfo.o lpmove.o lpoptions.o lppasswd.o lpstat.o
+
+
+#
+# Make all targets...
+#
+
+all:	$(TARGETS)
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) $(OBJS) $(TARGETS)
+
+
+#
+# Install all targets...
+#
+
+install:
+	$(INSTALL_DIR) $(BINDIR)
+	$(INSTALL_BIN) accept $(SBINDIR)
+	$(RM) $(SBINDIR)/reject
+	$(LN) accept $(SBINDIR)/reject
+	$(INSTALL_BIN) cupsaddsmb $(SBINDIR)
+	$(INSTALL_BIN) lpadmin $(SBINDIR)
+	$(INSTALL_BIN) lpinfo $(SBINDIR)
+	$(INSTALL_BIN) lpmove $(SBINDIR)
+	$(INSTALL_BIN) cancel $(BINDIR)
+	$(RM) $(BINDIR)/disable
+	$(LN) ../sbin/accept $(BINDIR)/disable
+	$(RM) $(BINDIR)/enable
+	$(LN) ../sbin/accept $(BINDIR)/enable
+	$(INSTALL_BIN) lp $(BINDIR)
+	$(INSTALL_BIN) lpoptions $(BINDIR)
+	$(INSTALL_BIN) lpstat $(BINDIR)
+	$(INSTALL_BIN) -m 4755 -o $(CUPS_USER) -g $(CUPS_GROUP) lppasswd $(BINDIR)
+
+
+#
+# accept
+#
+
+accept:	accept.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o accept accept.o $(LIBS)
+	$(RM) reject enable disable
+	$(LN) accept reject
+	$(LN) accept enable
+	$(LN) accept disable
+
+accept.o:	../cups/cups.h
+
+
+#
+# cancel
+#
+
+cancel:	cancel.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o cancel cancel.o $(LIBS)
+
+cancel.o:	../cups/cups.h
+
+
+#
+# cupsaddsmb
+#
+
+cupsaddsmb:	cupsaddsmb.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o cupsaddsmb cupsaddsmb.o $(LIBS)
+
+cupsaddsmb.o:	../cups/cups.h ../cups/string.h
+
+
+#
+# lp
+#
+
+lp:	lp.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lp lp.o $(LIBS)
+
+lp.o:	../cups/cups.h
+
+
+#
+# lpadmin
+#
+
+lpadmin:	lpadmin.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpadmin lpadmin.o $(LIBZ) $(LIBS)
+
+lpadmin.o:	../cups/cups.h
+
+
+#
+# lpinfo
+#
+
+lpinfo:	lpinfo.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpinfo lpinfo.o $(LIBS)
+
+lpinfo.o:	../cups/cups.h
+
+
+#
+# lpmove
+#
+
+lpmove:	lpmove.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpmove lpmove.o $(LIBS)
+
+lpmove.o:	../cups/cups.h
+
+
+#
+# lpoptions
+#
+
+lpoptions:	lpoptions.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpoptions lpoptions.o $(LIBZ) $(LIBS)
+
+lpoptions.o:	../cups/cups.h
+
+
+#
+# lppasswd
+#
+
+lppasswd:	lppasswd.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lppasswd lppasswd.o $(LIBZ) $(LIBS)
+
+lppasswd.o:	../cups/cups.h ../cups/md5.h ../cups/string.h ../config.h
+
+
+#
+# lpstat
+#
+
+lpstat:	lpstat.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o lpstat lpstat.o $(LIBS)
+
+lpstat.o:	../cups/cups.h
+
+
+$(OBJS):	../Makedefs
+
+#
+# End of "$Id$".
+#
diff --git a/systemv/accept.c b/systemv/accept.c
new file mode 100644
index 000000000..bdb5e9adb
--- /dev/null
+++ b/systemv/accept.c
@@ -0,0 +1,316 @@
+/*
+ * "$Id$"
+ *
+ *   "accept", "disable", "enable", and "reject" commands for the Common
+ *   UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Parse options and accept/reject jobs or disable/enable printers.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <config.h>
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <cups/language.h>
+
+
+/*
+ * 'main()' - Parse options and accept/reject jobs or disable/enable printers.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  http_t	*http;		/* HTTP connection to server */
+  int		i;		/* Looping var */
+  char		*command,	/* Command to do */
+		hostname[HTTP_MAX_URI],
+				/* Name of host */
+		printer[HTTP_MAX_URI],
+				/* Name of printer or class */
+		uri[1024],	/* Printer URI */
+		*reason;	/* Reason for reject/disable */
+  const char	*server;	/* Server name */
+  ipp_t		*request;	/* IPP request */
+  ipp_t		*response;	/* IPP response */
+  ipp_op_t	op;		/* Operation */
+  cups_lang_t	*language;	/* Language */
+  int		cancel;		/* Cancel jobs? */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+ /*
+  * See what operation we're supposed to do...
+  */
+
+  if ((command = strrchr(argv[0], '/')) != NULL)
+    command ++;
+  else
+    command = argv[0];
+
+  cancel = 0;
+
+  if (strcmp(command, "accept") == 0)
+    op = CUPS_ACCEPT_JOBS;
+  else if (strcmp(command, "reject") == 0)
+    op = CUPS_REJECT_JOBS;
+  else if (strcmp(command, "disable") == 0)
+    op = IPP_PAUSE_PRINTER;
+  else if (strcmp(command, "enable") == 0)
+    op = IPP_RESUME_PRINTER;
+  else
+  {
+    fprintf(stderr, "%s: Don't know what to do!\n", command);
+    return (1);
+  }
+
+  server     = cupsServer();
+  http       = NULL;
+  reason     = NULL;
+  encryption = cupsEncryption();
+
+ /*
+  * Process command-line arguments...
+  */
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    if (http)
+	      httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'c' : /* Cancel jobs */
+	    cancel = 1;
+	    break;
+
+        case 'h' : /* Connect to host */
+	    if (http != NULL)
+	      httpClose(http);
+
+	    if (argv[i][2] != '\0')
+	      server = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+	        fprintf(stderr, "%s: Expected server name after -h!\n",
+		        command);
+	        return (1);
+	      }
+
+              server = argv[i];
+	    }
+
+            http = httpConnectEncrypt(server, ippPort(), encryption);
+
+	    if (http == NULL)
+	    {
+	      fputs(argv[0], stderr);
+	      perror(": Unable to connect to server");
+	      return (1);
+	    }
+	    break;
+
+        case 'r' : /* Reason for cancellation */
+	    if (argv[i][2] != '\0')
+	      reason = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	      {
+	        fprintf(stderr, "%s: Expected reason text after -r!\n", command);
+		return (1);
+	      }
+
+	      reason = argv[i];
+	    }
+	    break;
+
+	default :
+	    fprintf(stderr, "%s: Unknown option \'%c\'!\n", command,
+	            argv[i][1]);
+	    return (1);
+      }
+    else
+    {
+     /*
+      * Accept/disable/enable/reject a destination...
+      */
+
+      if (sscanf(argv[i], "%1023[^@]@%1023s", printer, hostname) == 1)
+      {
+	strncpy(hostname, server, sizeof(hostname) - 1);
+	hostname[sizeof(hostname) - 1] = '\0';
+      }
+
+      if (http != NULL && strcasecmp(http->hostname, hostname) != 0)
+      {
+	httpClose(http);
+	http = NULL;
+      }
+
+      if (http == NULL)
+        http = httpConnectEncrypt(hostname, ippPort(), encryption);
+
+      if (http == NULL)
+      {
+	fputs(argv[0], stderr);
+	perror(": Unable to connect to server");
+	return (1);
+      }
+
+     /*
+      * Build an IPP request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri
+      *    printer-state-message [optional]
+      */
+
+      request = ippNew();
+
+      request->request.op.operation_id = op;
+      request->request.op.request_id   = 1;
+
+      language = cupsLangDefault();
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+              	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                   "attributes-natural-language", NULL, language->language);
+
+      snprintf(uri, sizeof(uri), "ipp://%s:%d/printers/%s", hostname, ippPort(), printer);
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+                   "printer-uri", NULL, uri);
+
+      if (reason != NULL)
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_TEXT,
+                     "printer-state-message", NULL, reason);
+
+     /*
+      * Do the request and get back a response...
+      */
+
+      if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+      {
+        if (response->request.status.status_code > IPP_OK_CONFLICT)
+	{
+          fprintf(stderr, "%s: Operation failed: %s\n", command,
+	          ippErrorString(cupsLastError()));
+	  return (1);
+	}
+	
+        ippDelete(response);
+      }
+      else
+      {
+        fprintf(stderr, "%s: Operation failed: %s\n", command,
+	        ippErrorString(cupsLastError()));
+	return (1);
+      }
+
+     /*
+      * Cancel all jobs if requested...
+      */
+
+      if (cancel)
+      {
+       /*
+	* Build an IPP_PURGE_JOBS request, which requires the following
+	* attributes:
+	*
+	*    attributes-charset
+	*    attributes-natural-language
+	*    printer-uri
+	*/
+
+	request = ippNew();
+
+	request->request.op.operation_id = IPP_PURGE_JOBS;
+	request->request.op.request_id   = 1;
+
+	language = cupsLangDefault();
+
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+              	     "attributes-charset", NULL, cupsLangEncoding(language));
+
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                     "attributes-natural-language", NULL, language->language);
+
+	snprintf(uri, sizeof(uri), "ipp://%s:%d/printers/%s", hostname, ippPort(), printer);
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+                     "printer-uri", NULL, uri);
+
+	if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+	{
+          if (response->request.status.status_code > IPP_OK_CONFLICT)
+	  {
+            fprintf(stderr, "%s: Operation failed: %s\n", command,
+	            ippErrorString(cupsLastError()));
+	    return (1);
+	  }
+
+          ippDelete(response);
+	}
+	else
+	{
+          fprintf(stderr, "%s: Operation failed: %s\n", command,
+	          ippErrorString(cupsLastError()));
+	  return (1);
+	}
+      }
+    }
+
+  if (http != NULL)
+    httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/cancel.c b/systemv/cancel.c
new file mode 100644
index 000000000..1592afe99
--- /dev/null
+++ b/systemv/cancel.c
@@ -0,0 +1,286 @@
+/*
+ * "$Id$"
+ *
+ *   "cancel" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main() - Parse options and cancel jobs.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <config.h>
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <cups/language.h>
+
+
+/*
+ * 'main()' - Parse options and cancel jobs.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  http_t	*http;		/* HTTP connection to server */
+  int		i;		/* Looping var */
+  int		job_id;		/* Job ID */
+  char		*dest,		/* Destination printer */
+		*host,		/* Host name */
+		*job;		/* Job ID pointer */
+  char		name[255];	/* Printer name */
+  char		uri[1024];	/* Printer or job URI */
+  ipp_t		*request;	/* IPP request */
+  ipp_t		*response;	/* IPP response */
+  ipp_op_t	op;		/* Operation */
+  cups_lang_t	*language;	/* Language */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+ /*
+  * Setup to cancel individual print jobs...
+  */
+
+  op         = IPP_CANCEL_JOB;
+  job_id     = 0;
+  dest       = NULL;
+  http       = NULL;
+  encryption = cupsEncryption();
+
+ /*
+  * Process command-line arguments...
+  */
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-' && argv[i][1])
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    if (http)
+	      httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'a' : /* Cancel all jobs */
+	    op = IPP_PURGE_JOBS;
+	    break;
+
+        case 'h' : /* Connect to host */
+	    if (http != NULL)
+	      httpClose(http);
+
+	    if (argv[i][2] != '\0')
+	      http = httpConnectEncrypt(argv[i] + 2, ippPort(), encryption);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("cancel: Error - expected hostname after \'-h\' option!\n", stderr);
+		return (1);
+              }
+	      else
+		http = httpConnectEncrypt(argv[i], ippPort(), encryption);
+	    }
+
+	    if (http == NULL)
+	    {
+	      perror("cancel: Unable to connect to server");
+	      return (1);
+	    }
+	    break;
+
+        case 'u' : /* Username */
+	    if (argv[i][2] != '\0')
+	      cupsSetUser(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("cancel: Error - expected username after \'-u\' option!\n", stderr);
+		return (1);
+              }
+	      else
+		cupsSetUser(argv[i]);
+	    }
+	    break;
+
+	default :
+	    fprintf(stderr, "cancel: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else
+    {
+     /*
+      * Cancel a job or printer...
+      */
+
+      if (isdigit(argv[i][0]))
+      {
+        dest   = NULL;
+	op     = IPP_CANCEL_JOB;
+        job_id = atoi(argv[i]);
+      }
+      else if (argv[i][0] == '-')
+      {
+        dest   = "";
+	job_id = 0;
+      }
+      else
+      {
+        strncpy(name, argv[i], sizeof(name) - 1);
+	name[sizeof(name) - 1] = '\0';
+
+	dest   = name;
+        job_id = 0;
+
+	if ((job = strrchr(name, '-')) != NULL)
+	  if (isdigit(job[1]))
+	  {
+	    *job++ = '\0';
+	    job_id = atoi(job);
+	  }
+	    
+	if (job_id)
+	  op = IPP_CANCEL_JOB;
+
+        if ((host = strchr(name, '@')) != NULL)
+	{
+	 /*
+	  * Reconnect to the named host...
+	  */
+
+          if (http != NULL)
+            httpClose(http);
+
+	  *host++ = '\0';
+
+	  if ((http = httpConnectEncrypt(host, ippPort(), encryption)) == NULL)
+	  {
+	    perror("cancel: Unable to connect to server");
+	    return (1);
+	  }
+	}
+      }
+
+     /*
+      * Open a connection to the server...
+      */
+
+      if (http == NULL)
+	if ((http = httpConnectEncrypt(cupsServer(), ippPort(),
+	                               encryption)) == NULL)
+	{
+	  fputs("cancel: Unable to contact server!\n", stderr);
+	  return (1);
+	}
+
+     /*
+      * Build an IPP request, which requires the following
+      * attributes:
+      *
+      *    attributes-charset
+      *    attributes-natural-language
+      *    printer-uri + job-id *or* job-uri
+      *    [requesting-user-name]
+      */
+
+      request = ippNew();
+
+      request->request.op.operation_id = op;
+      request->request.op.request_id   = 1;
+
+      language = cupsLangDefault();
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+              	   "attributes-charset", NULL, cupsLangEncoding(language));
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                   "attributes-natural-language", NULL, language->language);
+
+      if (dest)
+      {
+        snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", dest);
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+	             "printer-uri", NULL, uri);
+	ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
+	              job_id);
+      }
+      else
+      {
+        sprintf(uri, "ipp://localhost/jobs/%d", job_id);
+	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL,
+	             uri);
+      }
+
+      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+                   "requesting-user-name", NULL, cupsUser());
+
+     /*
+      * Do the request and get back a response...
+      */
+
+      if (op == IPP_PURGE_JOBS)
+        response = cupsDoRequest(http, request, "/admin/");
+      else
+        response = cupsDoRequest(http, request, "/jobs/");
+
+      if (response == NULL ||
+          response->request.status.status_code > IPP_OK_CONFLICT)
+      {
+	fprintf(stderr, "cancel: %s failed: %s\n",
+	        op == IPP_PURGE_JOBS ? "purge-jobs" : "cancel-job",
+        	response ? ippErrorString(response->request.status.status_code) :
+		           ippErrorString(cupsLastError()));
+
+	if (response)
+	  ippDelete(response);
+
+	return (1);
+      }
+
+      ippDelete(response);
+    }
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/cupsaddsmb.c b/systemv/cupsaddsmb.c
new file mode 100644
index 000000000..cce4a3e2c
--- /dev/null
+++ b/systemv/cupsaddsmb.c
@@ -0,0 +1,286 @@
+/*
+ * "$Id$"
+ *
+ *   "cupsaddsmb" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 2001 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()             - Export printers on the command-line.
+ *   do_samba_command() - Do a SAMBA command, asking for a password as needed.
+ *   export_dest()      - Export a destination to SAMBA.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <errno.h>
+
+
+/*
+ * Local globals...
+ */
+
+int	Verbosity = 0;
+
+
+/*
+ * Local functions...
+ */
+
+int	do_samba_command(const char *, const char *, const char *);
+int	export_dest(const char *);
+
+
+/*
+ * 'main()' - Export printers on the command-line.
+ */
+
+int			/* O - Exit status */
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int	i, j;		/* Looping vars */
+  int	status;		/* Status from export_dest() */
+  int	num_printers;	/* Number of printers */
+  char	**printers;	/* Printers */
+
+
+  for (i = 1; i < argc; i ++)
+    if (strcmp(argv[i], "-a") == 0)
+    {
+      num_printers = cupsGetPrinters(&printers);
+
+      for (j = 0, status = 0; j < num_printers; j ++)
+        if ((status = export_dest(printers[j])) != 0)
+	  break;
+
+      for (j = 0; j < num_printers; j ++)
+        free(printers[j]);
+
+      if (num_printers)
+        free(printers);
+
+      if (status)
+        return (status);
+    }
+    else if (strcmp(argv[i], "-U") == 0)
+    {
+      i ++;
+      if (i >= argc)
+      {
+	puts("Usage: cupsaddsmb [-a] [-U user] [-v] [printer1 ... printerN]");
+	return (1);
+      }
+
+      cupsSetUser(argv[i]);
+    }
+    else if (strcmp(argv[i], "-v") == 0)
+      Verbosity = 1;
+    else if (argv[i][0] != '-')
+    {
+      if ((status = export_dest(argv[i])) != 0)
+	return (status);
+    }
+    else
+    {
+      puts("Usage: cupsaddsmb [-a] [-U user] [-v] [printer1 ... printerN]");
+      return (1);
+    }
+
+  return (0);
+}
+
+
+/*
+ * 'do_samba_command()' - Do a SAMBA command, asking for
+ *                        a password as needed.
+ */
+
+int					/* O - Status of command */
+do_samba_command(const char *command,	/* I - Command to run */
+                 const char *args,	/* I - Argument(s) for command */
+                 const char *subcmd)	/* I - Sub-command */
+{
+  int		status;			/* Status of command */
+  char		temp[4096];		/* Command/prompt string */
+  static const char *p = NULL;		/* Password data */
+
+
+  for (status = 1;;)
+  {
+    if (p)
+      snprintf(temp, sizeof(temp), "%s -N -U\'%s%%%s\' %s -c \'%s\'",
+               command, cupsUser(), p, args, subcmd);
+    else
+      snprintf(temp, sizeof(temp), "%s -N -U\'%s\' %s -c \'%s\'",
+               command, cupsUser(), args, subcmd);
+
+    if (Verbosity)
+      printf("Running command: %s\n", temp);
+    else
+    {
+      strncat(temp, " </dev/null >/dev/null 2>/dev/null", sizeof(temp) - 1);
+      temp[sizeof(temp) - 1] = '\0';
+    }
+
+    if (Verbosity)
+      printf("Running the following command:\n\n    %s\n", temp);
+    else
+    {
+      strncat(temp, " >/dev/null 2>/dev/null", sizeof(temp) - 1);
+      temp[sizeof(temp) - 1] = '\0';
+    }
+
+    if ((status = system(temp)) != 0)
+    {
+      if (Verbosity)
+        puts("");
+
+      snprintf(temp, sizeof(temp),
+               "Password for %s required to access %s via SAMBA: ",
+	       cupsUser(), cupsServer());
+
+      if ((p = cupsGetPassword(temp)) == NULL)
+        break;
+    }
+    else
+    {
+      if (Verbosity)
+        puts("");
+
+      break;
+    }
+  }
+
+  return (status);
+}
+
+
+/*
+ * 'export_dest()' - Export a destination to SAMBA.
+ */
+
+int				/* O - 0 on success, non-zero on error */
+export_dest(const char *dest)	/* I - Destination to export */
+{
+  int		status;		/* Status of smbclient/rpcclient commands */
+  const char	*ppdfile;	/* PPD file for printer drivers */
+  char		command[1024],	/* Command to run */
+		subcmd[1024];	/* Sub-command */
+  const char	*datadir;	/* CUPS_DATADIR */
+
+
+  if ((datadir = getenv("CUPS_DATADIR")) == NULL)
+    datadir = CUPS_DATADIR;
+
+  /* Get the PPD file... */
+  if ((ppdfile = cupsGetPPD(dest)) == NULL)
+  {
+    fprintf(stderr, "Warning: No PPD file for printer \"%s\"!\n", dest);
+    return (1);
+  }
+
+  /* Do the smbclient commands needed for the Windows drivers... */
+  snprintf(command, sizeof(command), "smbclient //%s/print\\$", cupsServer());
+
+  snprintf(subcmd, sizeof(subcmd),
+           "mkdir W32X86;"
+	   "put %s W32X86/%s.PPD;"
+	   "put %s/drivers/ADOBEPS5.DLL W32X86/ADOBEPS5.DLL;"
+	   "put %s/drivers/ADOBEPSU.DLL W32X86/ADOBEPSU.DLL;"
+	   "put %s/drivers/ADOBEPSU.HLP W32X86/ADOBEPSU.HLP",
+	   ppdfile, dest, datadir, datadir, datadir);
+
+  if ((status = do_samba_command(command, "", subcmd)) != 0)
+  {
+    fprintf(stderr, "ERROR: Unable to copy Windows printer driver files (%d)!\n",
+            status);
+    unlink(ppdfile);
+    return (3);
+  }
+
+  snprintf(subcmd, sizeof(subcmd),
+           "mkdir WIN40;"
+	   "put %s WIN40/%s.PPD;"
+	   "put %s/drivers/ADFONTS.MFM WIN40/ADFONTS.MFM;"
+	   "put %s/drivers/ADOBEPS4.DRV WIN40/ADOBEPS4.DRV;"
+	   "put %s/drivers/ADOBEPS4.HLP WIN40/ADOBEPS4.HLP;"
+	   "put %s/drivers/DEFPRTR2.PPD WIN40/DEFPRTR2.PPD;"
+	   "put %s/drivers/ICONLIB.DLL WIN40/ICONLIB.DLL;"
+	   "put %s/drivers/PSMON.DLL WIN40/PSMON.DLL;",
+	   ppdfile, dest, datadir, datadir, datadir,
+	   datadir, datadir, datadir);
+
+  if ((status = do_samba_command(command, "", subcmd)) != 0)
+  {
+    fprintf(stderr, "ERROR: Unable to copy Windows printer driver files (%d)!\n",
+            status);
+    unlink(ppdfile);
+    return (3);
+  }
+
+  unlink(ppdfile);
+
+  /* Do the rpcclient commands needed for the Windows drivers... */
+  snprintf(subcmd, sizeof(subcmd),
+           "adddriver \"Windows NT x86\" \"%s:ADOBEPS5.DLL:%s.PPD:ADOBEPSU.DLL:ADOBEPSU.HLP:NULL:RAW:NULL\"",
+	   dest, dest);
+
+  if ((status = do_samba_command("rpcclient", cupsServer(), subcmd)) != 0)
+  {
+    fprintf(stderr, "ERROR: Unable to install Windows printer driver files (%d)!\n",
+            status);
+    return (5);
+  }
+
+  snprintf(subcmd, sizeof(subcmd), "addprinter %s %s \"%s\" \"\"",
+	   dest, dest, dest);
+
+  if ((status = do_samba_command("rpcclient", cupsServer(), subcmd)) != 0)
+  {
+    fprintf(stderr, "ERROR: Unable to install Windows printer driver files (%d)!\n",
+            status);
+    return (5);
+  }
+
+  snprintf(subcmd, sizeof(subcmd),
+	   "adddriver \"Windows 4.0\" \"%s:ADOBEPS4.DRV:%s.PPD:NULL:ADOBEPS4.HLP:PSMON.DLL:RAW:ADFONTS.MFM,DEFPRTR2.PPD,ICONLIB.DLL\"",
+	   dest, dest);
+
+  if ((status = do_samba_command("rpcclient", cupsServer(), subcmd)) != 0)
+  {
+    fprintf(stderr, "ERROR: Unable to install Windows printer driver files (%d)!\n",
+            status);
+    return (5);
+  }
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lp.c b/systemv/lp.c
new file mode 100644
index 000000000..7faed77b9
--- /dev/null
+++ b/systemv/lp.c
@@ -0,0 +1,654 @@
+/*
+ * "$Id$"
+ *
+ *   "lp" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()       - Parse options and send files for printing.
+ *   sighandler() - Signal catcher for when we print from stdin...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <cups/language.h>
+
+
+#ifndef WIN32
+#  include <signal.h>
+
+
+/*
+ * Local functions.
+ */
+
+void	sighandler(int);
+#endif /* !WIN32 */
+int	set_job_attrs(int job_id, int num_options, cups_option_t *options);
+
+
+/*
+ * Globals...
+ */
+
+char	tempfile[1024];		/* Temporary file for printing from stdin */
+
+
+/*
+ * 'main()' - Parse options and send files for printing.
+ */
+
+int
+main(int  argc,		/* I - Number of command-line arguments */
+     char *argv[])	/* I - Command-line arguments */
+{
+  int		i, j;		/* Looping vars */
+  int		job_id;		/* Job ID */
+  char		*printer,	/* Printer name */
+		*instance,	/* Instance name */ 
+		*val,		/* Option value */
+		*title;		/* Job title */
+  int		priority;	/* Job priority (1-100) */
+  int		num_copies;	/* Number of copies per file */
+  int		num_files;	/* Number of files to print */
+  const char	*files[1000];	/* Files to print */
+  int		num_dests;	/* Number of destinations */
+  cups_dest_t	*dests,		/* Destinations */
+		*dest;		/* Selected destination */
+  int		num_options;	/* Number of options */
+  cups_option_t	*options;	/* Options */
+  int		silent;		/* Silent or verbose output? */
+  char		buffer[8192];	/* Copy buffer */
+  int		temp;		/* Temporary file descriptor */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+  struct sigaction action;	/* Signal action */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET*/
+
+
+#ifdef __sun
+ /*
+  * Solaris does some rather strange things to re-queue remote print
+  * jobs.  On bootup, the "lp" command is run as "printd" to re-spool
+  * any remote jobs in /var/spool/print.  Since CUPS doesn't need this
+  * nonsense, we just need to add the necessary check here to prevent
+  * lp from causing boot problems...
+  */
+
+  if ((val = strrchr(argv[0], '/')) != NULL)
+    val ++;
+  else
+    val = argv[0];
+
+  if (strcmp(val, "printd") == 0)
+    return (0);
+#endif /* __sun */
+
+  silent      = 0;
+  printer     = NULL;
+  num_dests   = 0;
+  dests       = NULL;
+  num_options = 0;
+  options     = NULL;
+  num_files   = 0;
+  title       = NULL;
+  job_id      = 0;
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'c' : /* Copy to spool dir (always enabled) */
+	    break;
+
+        case 'd' : /* Destination printer or class */
+	    if (argv[i][2] != '\0')
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected destination after -d option!\n", stderr);
+		return (1);
+              }
+
+	      printer = argv[i];
+	    }
+
+            if ((instance = strrchr(printer, '/')) != NULL)
+	      *instance++ = '\0';
+
+	    if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+            if ((dest = cupsGetDest(printer, instance, num_dests, dests)) != NULL)
+	    {
+	      for (j = 0; j < dest->num_options; j ++)
+	        if (cupsGetOption(dest->options[j].name, num_options, options) == NULL)
+	          num_options = cupsAddOption(dest->options[j].name,
+		                              dest->options[j].value,
+					      num_options, &options);
+	    }
+	    break;
+
+        case 'f' : /* Form */
+	    if (!argv[i][2])
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected form after -f option!\n", stderr);
+		return (1);
+              }
+	    }
+
+	    fputs("lp: Warning - form option ignored!\n", stderr);
+	    break;
+
+        case 'h' : /* Destination host */
+	    if (argv[i][2] != '\0')
+	      cupsSetServer(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected hostname after -h option!\n", stderr);
+		return (1);
+              }
+
+	      cupsSetServer(argv[i]);
+	    }
+	    break;
+
+        case 'i' : /* Change job */
+	    if (argv[i][2])
+	      val = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected job ID after -i option!\n", stderr);
+		return (1);
+              }
+
+	      val = argv[i];
+	    }
+
+            if (num_files > 0)
+	    {
+	      fputs("lp: Error - cannot print files and alter jobs simultaneously!\n", stderr);
+	      return (1);
+	    }
+
+            if (strrchr(val, '-') != NULL)
+	      job_id = atoi(strrchr(val, '-') + 1);
+	    else
+	      job_id = atoi(val);
+
+            if (job_id < 0)
+	    {
+	      fputs("lp: Error - bad job ID!\n", stderr);
+	      break;
+	    }
+	    break;
+
+	case 'm' : /* Send email when job is done */
+#ifdef __sun
+	case 'p' : /* Notify on completion */
+#endif /* __sun */
+	case 'w' : /* Write to console or email */
+	    break;
+
+	case 'n' : /* Number of copies */
+	    if (argv[i][2] != '\0')
+	      num_copies = atoi(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected copies after -n option!\n", stderr);
+		return (1);
+              }
+
+	      num_copies = atoi(argv[i]);
+	    }
+
+	    if (num_copies < 1 || num_copies > 100)
+	    {
+	      fputs("lp: Number copies must be between 1 and 100.\n", stderr);
+	      return (1);
+	    }
+
+            sprintf(buffer, "%d", num_copies);
+            num_options = cupsAddOption("copies", buffer, num_options, &options);
+	    break;
+
+	case 'o' : /* Option */
+	    if (argv[i][2] != '\0')
+	      num_options = cupsParseOptions(argv[i] + 2, num_options, &options);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected option string after -o option!\n", stderr);
+		return (1);
+              }
+
+	      num_options = cupsParseOptions(argv[i], num_options, &options);
+	    }
+	    break;
+
+#ifndef __sun
+	case 'p' : /* Queue priority */
+#endif /* !__sun */
+	case 'q' : /* Queue priority */
+	    if (argv[i][2] != '\0')
+	      priority = atoi(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fprintf(stderr, "lp: Expected priority after -%c option!\n",
+		        argv[i][1]);
+		return (1);
+              }
+
+	      priority = atoi(argv[i]);
+	    }
+
+           /*
+	    * For 100% Solaris compatibility, need to add:
+	    *
+	    *   priority = 99 * (39 - priority) / 39 + 1;
+	    *
+	    * However, to keep CUPS lp the same across all platforms
+	    * we will break compatibility this far...
+	    */
+
+	    if (priority < 1 || priority > 100)
+	    {
+	      fputs("lp: Priority must be between 1 and 100.\n", stderr);
+	      return (1);
+	    }
+
+            sprintf(buffer, "%d", priority);
+            num_options = cupsAddOption("job-priority", buffer, num_options, &options);
+	    break;
+
+	case 's' : /* Silent */
+	    silent = 1;
+	    break;
+
+	case 't' : /* Title */
+	    if (argv[i][2] != '\0')
+	      title = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected title after -t option!\n", stderr);
+		return (1);
+              }
+
+	      title = argv[i];
+	    }
+	    break;
+
+        case 'y' : /* mode-list */
+	    if (!argv[i][2])
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected mode list after -y option!\n", stderr);
+		return (1);
+              }
+	    }
+
+	    fputs("lp: Warning - mode option ignored!\n", stderr);
+	    break;
+
+        case 'H' : /* Hold job */
+	    if (argv[i][2])
+	      val = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected hold name after -H option!\n", stderr);
+		return (1);
+              }
+
+	      val = argv[i];
+	    }
+
+	    if (strcmp(val, "hold") == 0)
+              num_options = cupsAddOption("job-hold-until", "indefinite",
+	                                  num_options, &options);
+	    else if (strcmp(val, "resume") == 0 ||
+	             strcmp(val, "release") == 0)
+              num_options = cupsAddOption("job-hold-until", "no-hold",
+	                                  num_options, &options);
+	    else if (strcmp(val, "immediate") == 0)
+              num_options = cupsAddOption("job-priority", "100",
+	                                  num_options, &options);
+	    else
+              num_options = cupsAddOption("job-hold-until", val,
+	                                  num_options, &options);
+	    break;
+
+        case 'P' : /* Page list */
+	    if (argv[i][2])
+	      val = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected page list after -P option!\n", stderr);
+		return (1);
+              }
+
+	      val = argv[i];
+	    }
+
+            num_options = cupsAddOption("page-ranges", val, num_options,
+	                                &options);
+            break;
+
+        case 'S' : /* character set */
+	    if (!argv[i][2])
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected character set after -S option!\n", stderr);
+		return (1);
+              }
+	    }
+
+	    fputs("lp: Warning - character set option ignored!\n", stderr);
+	    break;
+
+        case 'T' : /* Content-Type */
+	    if (!argv[i][2])
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lp: Expected content type after -T option!\n", stderr);
+		return (1);
+              }
+	    }
+
+	    fputs("lp: Warning - content type option ignored!\n", stderr);
+	    break;
+
+	default :
+	    fprintf(stderr, "lp: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else if (num_files < 1000 && job_id == 0)
+    {
+     /*
+      * Print a file...
+      */
+
+      files[num_files] = argv[i];
+      num_files ++;
+
+      if (title == NULL)
+      {
+        if ((title = strrchr(argv[i], '/')) != NULL)
+	  title ++;
+	else
+          title = argv[i];
+      }
+    }
+    else
+      fprintf(stderr, "lp: Too many files - \"%s\"\n", argv[i]);
+
+ /*
+  * See if we are altering an existing job...
+  */
+
+  if (job_id)
+    return (set_job_attrs(job_id, num_options, options));
+
+ /*
+  * See if we have any files to print; if not, print from stdin...
+  */
+
+  if (printer == NULL)
+  {
+    if (num_dests == 0)
+      num_dests = cupsGetDests(&dests);
+
+    for (j = 0, dest = dests; j < num_dests; j ++, dest ++)
+      if (dest->is_default)
+      {
+	printer = dests[j].name;
+
+	for (j = 0; j < dest->num_options; j ++)
+	  if (cupsGetOption(dest->options[j].name, num_options, options) == NULL)
+	    num_options = cupsAddOption(dest->options[j].name,
+		                        dest->options[j].value,
+					num_options, &options);
+        break;
+      }
+  }
+
+  if (printer == NULL)
+  {
+    fputs("lp: error - no default destination available.\n", stderr);
+    return (1);
+  }
+
+  if (num_files > 0)
+    job_id = cupsPrintFiles(printer, num_files, files, title, num_options, options);
+  else
+  {
+    num_files = 1;
+
+#ifndef WIN32
+#  if defined(HAVE_SIGSET)
+    sigset(SIGHUP, sighandler);
+    sigset(SIGINT, sighandler);
+    sigset(SIGTERM, sighandler);
+#  elif defined(HAVE_SIGACTION)
+    memset(&action, 0, sizeof(action));
+    action.sa_handler = sighandler;
+
+    sigaction(SIGHUP, &action, NULL);
+    sigaction(SIGINT, &action, NULL);
+    sigaction(SIGTERM, &action, NULL);
+#  else
+    signal(SIGHUP, sighandler);
+    signal(SIGINT, sighandler);
+    signal(SIGTERM, sighandler);
+#  endif
+#endif /* !WIN32 */
+
+    temp = cupsTempFd(tempfile, sizeof(tempfile));
+
+    if (temp < 0)
+    {
+      fputs("lp: unable to create temporary file.\n", stderr);
+      return (1);
+    }
+
+    while ((i = read(0, buffer, sizeof(buffer))) > 0)
+      write(temp, buffer, i);
+
+    i = lseek(temp, 0, SEEK_CUR);
+    close(temp);
+
+    if (i == 0)
+    {
+      fputs("lp: stdin is empty, so no job has been sent.\n", stderr);
+      return (1);
+    }
+
+    if (title)
+      job_id = cupsPrintFile(printer, tempfile, title, num_options, options);
+    else
+      job_id = cupsPrintFile(printer, tempfile, "(stdin)", num_options, options);
+
+    unlink(tempfile);
+  }
+
+  if (job_id < 1)
+  {
+    fprintf(stderr, "lp: unable to print file: %s\n",
+	    ippErrorString(cupsLastError()));
+    return (1);
+  }
+  else if (!silent)
+    printf("request id is %s-%d (%d file(s))\n", printer, job_id, num_files);
+
+  return (0);
+}
+
+
+/*
+ * 'set_job_attrs()' - Set job attributes.
+ */
+
+int					/* O - Exit status */
+set_job_attrs(int           job_id,	/* I - Job ID */
+              int           num_options,/* I - Number of options */
+	      cups_option_t *options)	/* I - Options */
+{
+  http_t	*http;			/* HTTP connection to server */
+  ipp_t		*request,		/* IPP request */
+		*response;		/* IPP response */
+  cups_lang_t	*language;		/* Language for request */
+  char		uri[HTTP_MAX_URI];	/* URI for job */
+
+
+  http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption());
+
+  language = cupsLangDefault();
+
+  request = ippNew();
+  request->request.op.operation_id = IPP_SET_JOB_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  sprintf(uri, "ipp://localhost/jobs/%d", job_id);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "job-uri", NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+               "requesting-user-name", NULL, cupsUser());
+
+  cupsEncodeOptions(request, num_options, options);
+
+  if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lp: set-job-attributes failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return (1);
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    fprintf(stderr, "lp: set-job-attributes failed: %s\n",
+            ippErrorString(cupsLastError()));
+    return (1);
+  }
+
+  return (0);
+}
+
+
+#ifndef WIN32
+/*
+ * 'sighandler()' - Signal catcher for when we print from stdin...
+ */
+
+void
+sighandler(int s)	/* I - Signal number */
+{
+ /*
+  * Remove the temporary file we're using to print from stdin...
+  */
+
+  unlink(tempfile);
+
+ /*
+  * Exit...
+  */
+
+  exit(s);
+}
+#endif /* !WIN32 */
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lpadmin.c b/systemv/lpadmin.c
new file mode 100644
index 000000000..458b4ec7d
--- /dev/null
+++ b/systemv/lpadmin.c
@@ -0,0 +1,1856 @@
+/*
+ * "$Id$"
+ *
+ *   "lpadmin" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()                      - Parse options and configure the scheduler.
+ *   add_printer_to_class()      - Add a printer to a class.
+ *   default_printer()           - Set the default printing destination.
+ *   delete_printer()            - Delete a printer from the system...
+ *   delete_printer_from_class() - Delete a printer from a class.
+ *   enable_printer()            - Enable a printer...
+ *   set_printer_device()        - Set the device-uri attribute.
+ *   set_printer_file()          - Set the interface script or PPD file.
+ *   set_printer_info()          - Set the printer description string.
+ *   set_printer_location()      - Set the printer location string.
+ *   set_printer_model()         - Set the driver model file.
+ *   set_printer_options()       - Set the printer options.
+ *   validate_name()             - Make sure the printer name only contains
+ *                                 letters, numbers, and the underscore...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <cups/cups.h>
+#include <cups/string.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+#include <config.h>
+#ifdef HAVE_LIBZ
+#  include <zlib.h>
+#endif /* HAVE_LIBZ */
+
+
+/*
+ * Local functions...
+ */
+
+static void	add_printer_to_class(http_t *, char *, char *);
+static void	default_printer(http_t *, char *);
+static void	delete_printer(http_t *, char *);
+static void	delete_printer_from_class(http_t *, char *, char *);
+static void	enable_printer(http_t *, char *);
+static char	*get_line(char *, int, FILE *fp);
+static void	set_printer_device(http_t *, char *, char *);
+static void	set_printer_file(http_t *, char *, char *);
+static void	set_printer_info(http_t *, char *, char *);
+static void	set_printer_location(http_t *, char *, char *);
+static void	set_printer_model(http_t *, char *, char *);
+static void	set_printer_options(http_t *, char *, int, cups_option_t *);
+static int	validate_name(const char *);
+
+
+/*
+ * 'main()' - Parse options and configure the scheduler.
+ */
+
+int
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* Connection to server */
+  char		*printer,	/* Destination printer */
+		*pclass,	/* Printer class name */
+		*val;		/* Pointer to allow/deny value */
+  int		num_options;	/* Number of options */
+  cups_option_t	*options;	/* Options */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+  http        = NULL;
+  printer     = NULL;
+  num_options = 0;
+  options     = NULL;
+  encryption  = cupsEncryption();
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (argv[i][1])
+      {
+        case 'c' : /* Add printer to class */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to add a printer to the class:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      pclass = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected class name after \'-c\' option!\n", stderr);
+		return (1);
+	      }
+
+	      pclass = argv[i];
+	    }
+
+            if (!validate_name(pclass))
+	    {
+	      fputs("lpadmin: Class name can only contain letters, numbers, and the underscore!\n", stderr);
+	      return (1);
+	    }
+
+	    add_printer_to_class(http, printer, pclass);
+	    break;
+
+        case 'd' : /* Set as default destination */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2])
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected printer name after \'-d\' option!\n", stderr);
+		return (1);
+	      }
+
+	      printer = argv[i];
+	    }
+
+            if (!validate_name(printer))
+	    {
+	      fputs("lpadmin: Printer name can only contain letters, numbers, and the underscore!\n", stderr);
+	      return (1);
+	    }
+
+            default_printer(http, printer);
+	    i = argc;
+	    break;
+
+        case 'h' : /* Connect to host */
+	    if (http)
+	      httpClose(http);
+
+	    if (argv[i][2] != '\0')
+	      http = httpConnectEncrypt(argv[i] + 2, ippPort(), encryption);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("lpadmin: Expected hostname after \'-h\' option!\n", stderr);
+		return (1);
+              }
+	      else
+		http = httpConnectEncrypt(argv[i], ippPort(), encryption);
+	    }
+
+	    if (http == NULL)
+	    {
+	      perror("lpadmin: Unable to connect to server");
+	      return (1);
+	    }
+	    else
+	      cupsSetServer(http->hostname);
+	    break;
+
+        case 'i' : /* Use the specified interface script */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to set the interface script:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      set_printer_file(http, printer, argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected interface after \'-i\' option!\n", stderr);
+		return (1);
+	      }
+
+	      set_printer_file(http, printer, argv[i]);
+	    }
+	    break;
+
+        case 'E' : /* Enable the printer */
+	    if (printer == NULL)
+	    {
+#ifdef HAVE_LIBSSL
+	      cupsSetEncryption(encryption = HTTP_ENCRYPT_REQUIRED);
+
+	      if (http)
+		httpEncryption(http, encryption);
+#else
+              fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	              argv[0]);
+#endif /* HAVE_LIBSSL */
+	      break;
+	    }
+
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            enable_printer(http, printer);
+            break;
+
+        case 'm' : /* Use the specified standard script/PPD file */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to set the interface script or PPD file:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      set_printer_model(http, printer, argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected model after \'-m\' option!\n", stderr);
+		return (1);
+	      }
+
+	      set_printer_model(http, printer, argv[i]);
+	    }
+	    break;
+
+        case 'o' : /* Set option */
+	    if (argv[i][2])
+	      num_options = cupsParseOptions(argv[i] + 2, num_options, &options);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected name=value after \'-o\' option!\n", stderr);
+		return (1);
+	      }
+
+	      num_options = cupsParseOptions(argv[i], num_options, &options);
+	    }
+	    break;
+
+        case 'p' : /* Add/modify a printer */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2])
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected printer after \'-p\' option!\n", stderr);
+		return (1);
+	      }
+
+	      printer = argv[i];
+	    }
+
+            if (!validate_name(printer))
+	    {
+	      fputs("lpadmin: Printer name can only contain letters, numbers, and the underscore!\n", stderr);
+	      return (1);
+	    }
+	    break;
+
+        case 'r' : /* Remove printer from class */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to remove a printer from the class:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      pclass = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected class after \'-r\' option!\n", stderr);
+		return (1);
+	      }
+
+	      pclass = argv[i];
+	    }
+
+            if (!validate_name(pclass))
+	    {
+	      fputs("lpadmin: Class name can only contain letters, numbers, and the underscore!\n", stderr);
+	      return (1);
+	    }
+
+            delete_printer_from_class(http, printer, pclass);
+	    break;
+
+        case 'u' : /* Allow/deny users */
+	    if (argv[i][2])
+	      val = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected name=value after \'-o\' option!\n", stderr);
+		return (1);
+	      }
+
+              val = argv[i];
+	    }
+
+            if (strncasecmp(val, "allow:", 6) == 0)
+	      num_options = cupsAddOption("requesting-user-name-allowed",
+	                                  val + 6, num_options, &options);
+            else if (strncasecmp(val, "deny:", 5) == 0)
+	      num_options = cupsAddOption("requesting-user-name-denied",
+	                                  val + 5, num_options, &options);
+            else
+	    {
+	      fprintf(stderr, "lpadmin: Unknown allow/deny option \"%s\"!\n",
+	              val);
+	      return (1);
+	    }
+	    break;
+
+        case 'v' : /* Set the device-uri attribute */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to set the device URI:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      set_printer_device(http, printer, argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected device URI after \'-v\' option!\n", stderr);
+		return (1);
+	      }
+
+	      set_printer_device(http, printer, argv[i]);
+	    }
+	    break;
+
+        case 'x' : /* Delete a printer */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2])
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected printer or class after \'-x\' option!\n", stderr);
+		return (1);
+	      }
+
+	      printer = argv[i];
+	    }
+
+            if (!validate_name(printer))
+	    {
+	      fputs("lpadmin: Printer name can only contain letters, numbers, and the underscore!\n", stderr);
+	      return (1);
+	    }
+
+            delete_printer(http, printer);
+	    i = argc;
+	    break;
+
+        case 'D' : /* Set the printer-info attribute */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to set the printer description:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      set_printer_info(http, printer, argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected description after \'-D\' option!\n", stderr);
+		return (1);
+	      }
+
+	      set_printer_info(http, printer, argv[i]);
+	    }
+	    break;
+
+        case 'L' : /* Set the printer-location attribute */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to set the printer location:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      set_printer_location(http, printer, argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected location after \'-L\' option!\n", stderr);
+		return (1);
+	      }
+
+	      set_printer_location(http, printer, argv[i]);
+	    }
+	    break;
+
+        case 'P' : /* Use the specified PPD file */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpadmin: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (printer == NULL)
+	    {
+	      fputs("lpadmin: Unable to set the PPD file:\n", stderr);
+	      fputs("         You must specify a printer name first!\n", stderr);
+	      return (1);
+	    }
+
+	    if (argv[i][2])
+	      set_printer_file(http, printer, argv[i] + 2);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+		fputs("lpadmin: Expected PPD after \'-P\' option!\n", stderr);
+		return (1);
+	      }
+
+	      set_printer_file(http, printer, argv[i]);
+	    }
+	    break;
+
+	default :
+	    fprintf(stderr, "lpadmin: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else
+    {
+      fprintf(stderr, "lpadmin: Unknown argument \'%s\'!\n", argv[i]);
+      return (1);
+    }
+
+ /*
+  * Set options as needed...
+  */
+
+  if (num_options)
+  {
+    if (!http)
+    {
+      http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+      if (http == NULL)
+      {
+	perror("lpadmin: Unable to connect to server");
+	return (1);
+      }
+    }
+
+    if (printer == NULL)
+    {
+      fputs("lpadmin: Unable to set the printer options:\n", stderr);
+      fputs("         You must specify a printer name first!\n", stderr);
+      return (1);
+    }
+
+    set_printer_options(http, printer, num_options, options);
+  }
+
+  if (printer == NULL)
+  {
+    puts("Usage:");
+    puts("");
+    puts("    lpadmin [-h server] -d destination");
+    puts("    lpadmin [-h server] -x destination");
+    puts("    lpadmin [-h server] -p printer [-c add-class] [-i interface] [-m model]");
+    puts("                       [-r remove-class] [-v device] [-D description]");
+    puts("                       [-P ppd-file] [-o name=value]");
+    puts("                       [-u allow:user,user] [-u deny:user,user]");
+    puts("");
+  }
+
+  if (http)
+    httpClose(http);
+
+  return (0);
+}
+
+
+/*
+ * 'add_printer_to_class()' - Add a printer to a class.
+ */
+
+static void
+add_printer_to_class(http_t *http,	/* I - Server connection */
+                     char   *printer,	/* I - Printer to add */
+		     char   *pclass)	/* I - Class to add to */
+{
+  int		i;			/* Looping var */
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  ipp_attribute_t *attr,		/* Current attribute */
+		*members;		/* Members in class */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("add_printer_to_class(%p, \"%s\", \"%s\")\n", http,
+                printer, pclass));
+
+ /*
+  * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s", pclass);
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  response = cupsDoRequest(http, request, "/");
+
+ /*
+  * Build a CUPS_ADD_CLASS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    member-uris
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_CLASS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * See if the printer is already in the class...
+  */
+
+  if (response != NULL &&
+      (members = ippFindAttribute(response, "member-names", IPP_TAG_NAME)) != NULL)
+    for (i = 0; i < members->num_values; i ++)
+      if (strcasecmp(printer, members->values[i].string.text) == 0)
+      {
+        fprintf(stderr, "lpadmin: Printer %s is already a member of class %s.\n",
+	        printer, pclass);
+        ippDelete(request);
+	ippDelete(response);
+	return;
+      }
+
+ /*
+  * OK, the printer isn't part of the class, so add it...
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  if (response != NULL &&
+      (members = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL)
+  {
+   /*
+    * Add the printer to the existing list...
+    */
+
+    attr = ippAddStrings(request, IPP_TAG_PRINTER, IPP_TAG_URI,
+                         "member-uris", members->num_values + 1, NULL, NULL);
+    for (i = 0; i < members->num_values; i ++)
+      attr->values[i].string.text = strdup(members->values[i].string.text);
+
+    attr->values[i].string.text = strdup(uri);
+  }
+  else
+    attr = ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "member-uris", NULL, uri);
+
+ /*
+  * Then send the request...
+  */
+
+  ippDelete(response);
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add-class failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-class failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'default_printer()' - Set the default printing destination.
+ */
+
+static void
+default_printer(http_t *http,		/* I - Server connection */
+                char   *printer)	/* I - Printer name */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("default_printer(%p, \"%s\")\n", http, printer));
+
+ /*
+  * Build a CUPS_SET_DEFAULT request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_SET_DEFAULT;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: set-default failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: set-default failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'delete_printer()' - Delete a printer from the system...
+ */
+
+static void
+delete_printer(http_t *http,		/* I - Server connection */
+               char   *printer)		/* I - Printer to delete */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("delete_printer(%p, \"%s\")\n", http, printer));
+
+ /*
+  * Build a CUPS_DELETE_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_DELETE_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: delete-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: delete-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'delete_printer_from_class()' - Delete a printer from a class.
+ */
+
+static void
+delete_printer_from_class(http_t *http,		/* I - Server connection */
+                          char   *printer,	/* I - Printer to remove */
+			  char   *pclass)	/* I - Class to remove from */
+{
+  int		i, j, k;		/* Looping vars */
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  ipp_attribute_t *attr,		/* Current attribute */
+		*members;		/* Members in class */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("delete_printer_from_class(%p, \"%s\", \"%s\")\n", http,
+                printer, pclass));
+
+ /*
+  * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s", pclass);
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/classes/")) == NULL ||
+      response->request.status.status_code == IPP_NOT_FOUND)
+  {
+    ippDelete(response);
+    fprintf(stderr, "lpadmin: Class %s does not exist!\n", pclass);
+    return;
+  }
+
+ /*
+  * See if the printer is already in the class...
+  */
+
+  if ((members = ippFindAttribute(response, "member-names", IPP_TAG_NAME)) == NULL)
+  {
+    ippDelete(response);
+    fputs("lpadmin: No member names were seen!\n", stderr);
+    return;
+  }
+
+  for (i = 0; i < members->num_values; i ++)
+    if (strcasecmp(printer, members->values[i].string.text) == 0)
+      break;
+
+  if (i >= members->num_values)
+  {
+    fprintf(stderr, "lpadmin: Printer %s is not a member of class %s.\n",
+	    printer, pclass);
+    ippDelete(response);
+    return;
+  }
+
+  if (members->num_values == 1)
+  {
+   /*
+    * Build a CUPS_DELETE_CLASS request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_DELETE_CLASS;
+    request->request.op.request_id   = 1;
+
+    language = cupsLangDefault();
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+        	 "printer-uri", NULL, uri);
+  }
+  else
+  {
+   /*
+    * Build a CUPS_ADD_CLASS request, which requires the following
+    * attributes:
+    *
+    *    attributes-charset
+    *    attributes-natural-language
+    *    printer-uri
+    *    member-uris
+    */
+
+    request = ippNew();
+
+    request->request.op.operation_id = CUPS_ADD_CLASS;
+    request->request.op.request_id   = 1;
+
+    language = cupsLangDefault();
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	 "attributes-charset", NULL, cupsLangEncoding(language));
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	 "attributes-natural-language", NULL, language->language);
+
+    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+        	 "printer-uri", NULL, uri);
+
+   /*
+    * Delete the printer from the class...
+    */
+
+    members = ippFindAttribute(response, "member-uris", IPP_TAG_URI);
+    attr = ippAddStrings(request, IPP_TAG_PRINTER, IPP_TAG_URI,
+                         "member-uris", members->num_values - 1, NULL, NULL);
+
+    for (j = 0, k = 0; j < members->num_values; j ++)
+      if (j != i)
+        attr->values[k ++].string.text = strdup(members->values[j].string.text);
+  }
+
+ /*
+  * Then send the request...
+  */
+
+  ippDelete(response);
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add/delete-class failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add/delete-class failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'enable_printer()' - Enable a printer...
+ */
+
+static void
+enable_printer(http_t *http,		/* I - Server connection */
+               char   *printer)		/* I - Printer to enable */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("enable_printer(%p, \"%s\")\n", http, printer));
+
+ /*
+  * Build a CUPS_ADD_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    printer-state
+  *    printer-is-accepting-jobs
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+  ippAddInteger(request, IPP_TAG_PRINTER, IPP_TAG_ENUM, "printer-state",
+                IPP_PRINTER_IDLE);
+
+  ippAddBoolean(request, IPP_TAG_PRINTER, "printer-is-accepting-jobs", 1);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'get_line()' - Get a line that is terminated by a LF, CR, or CR LF.
+ */
+
+static char *		/* O - Pointer to buf or NULL on EOF */
+get_line(char *buf,	/* I - Line buffer */
+         int  length,	/* I - Length of buffer */
+	 FILE *fp)	/* I - File to read from */
+{
+  char	*bufptr;	/* Pointer into buffer */
+  int	ch;		/* Character from file */
+
+
+  length --;
+  bufptr = buf;
+
+  while ((ch = getc(fp)) != EOF)
+  {
+    if (ch == '\n')
+      break;
+    else if (ch == '\r')
+    {
+     /*
+      * Look for LF...
+      */
+
+      ch = getc(fp);
+      if (ch != '\n' && ch != EOF)
+        ungetc(ch, fp);
+
+      break;
+    }
+
+    *bufptr++ = ch;
+    length --;
+    if (length == 0)
+      break;
+  }
+
+  *bufptr = '\0';
+
+  if (ch == EOF)
+    return (NULL);
+  else
+    return (buf);
+}
+
+
+/*
+ * 'set_printer_device()' - Set the device-uri attribute.
+ */
+
+static void
+set_printer_device(http_t *http,	/* I - Server connection */
+                   char   *printer,	/* I - Printer */
+		   char   *device)	/* I - New device URI */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("set_printer_device(%p, \"%s\", \"%s\")\n", http, printer,
+                device));
+
+ /*
+  * Build a CUPS_ADD_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Add the device URI...
+  */
+
+  if (device[0] == '/')
+  {
+   /*
+    * Convert filename to URI...
+    */
+
+    snprintf(uri, sizeof(uri), "file:%s", device);
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri", NULL,
+                 uri);
+  }
+  else
+    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri", NULL,
+                 device);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'set_printer_file()' - Set the interface script or PPD file.
+ */
+
+static void
+set_printer_file(http_t *http,		/* I - Server connection */
+                 char   *printer,	/* I - Printer */
+		 char   *file)		/* I - PPD file or interface script */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+#ifdef HAVE_LIBZ
+  char		tempfile[1024];		/* Temporary filename */
+  int		fd;			/* Temporary file */
+  gzFile	*gz;			/* GZIP'd file */
+  char		buffer[8192];		/* Copy buffer */
+  int		bytes;			/* Bytes in buffer */
+
+
+  DEBUG_printf(("set_printer_file(%p, \"%s\", \"%s\")\n", http, printer,
+                file));
+
+ /*
+  * See if the file is gzip'd; if so, unzip it to a temporary file and
+  * send the uncompressed file.
+  */
+
+  if (strcmp(file + strlen(file) - 3, ".gz") == 0)
+  {
+   /*
+    * Yes, the file is compressed; uncompress to a temp file...
+    */
+
+    if ((fd = cupsTempFd(tempfile, sizeof(tempfile))) < 0)
+    {
+      perror("lpadmin: Unable to create temporary file");
+      return;
+    }
+
+    if ((gz = gzopen(file, "rb")) == NULL)
+    {
+      perror("lpadmin: Unable to open file");
+      close(fd);
+      unlink(tempfile);
+      return;
+    }
+
+    while ((bytes = gzread(gz, buffer, sizeof(buffer))) > 0)
+      write(fd, buffer, bytes);
+
+    close(fd);
+    gzclose(gz);
+
+    file = tempfile;
+  }
+#endif /* HAVE_LIBZ */
+
+ /*
+  * Build a CUPS_ADD_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoFileRequest(http, request, "/admin/", file)) == NULL)
+    fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+
+#ifdef HAVE_LIBZ
+ /*
+  * Remove the temporary file as needed...
+  */
+
+  if (file == tempfile)
+    unlink(tempfile);
+#endif /* HAVE_LIBZ */
+}
+
+
+/*
+ * 'set_printer_info()' - Set the printer description string.
+ */
+
+static void
+set_printer_info(http_t *http,		/* I - Server connection */
+                 char   *printer,	/* I - Printer */
+		 char   *info)		/* I - New description string */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("set_printer_info(%p, \"%s\", \"%s\")\n", http, printer,
+                info));
+
+ /*
+  * Build a CUPS_ADD_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Add the info string...
+  */
+
+  ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info", NULL,
+               info);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'set_printer_location()' - Set the printer location string.
+ */
+
+static void
+set_printer_location(http_t *http,	/* I - Server connection */
+                     char   *printer,	/* I - Printer */
+		     char   *location)	/* I - New location string */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+  DEBUG_printf(("set_printer_location(%p, \"%s\", \"%s\")\n", http, printer,
+                location));
+
+ /*
+  * Build a CUPS_ADD_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Add the location string...
+  */
+
+  ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-location", NULL,
+               location);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'set_printer_model()' - Set the driver model file.
+ */
+
+static void
+set_printer_model(http_t *http,		/* I - Server connection */
+                  char   *printer,	/* I - Printer */
+		  char   *model)	/* I - Driver model file */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  cups_lang_t	*language;		/* Default language */
+  char		uri[HTTP_MAX_URI];	/* URI for printer/class */
+
+
+ /*
+  * Build a CUPS_ADD_PRINTER request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    ppd-name
+  */
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_ADD_PRINTER;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+               "ppd-name", NULL, model);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/admin/")) == NULL)
+    fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: add-printer failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'set_printer_options()' - Set the printer options.
+ */
+
+static void
+set_printer_options(http_t        *http,	/* I - Server connection */
+                    char          *printer,	/* I - Printer */
+		    int           num_options,	/* I - Number of options */
+		    cups_option_t *options)	/* I - Options */
+{
+  ipp_t		*request,		/* IPP Request */
+		*response;		/* IPP Response */
+  ipp_attribute_t *attr;		/* IPP attribute */
+  cups_lang_t	*language;		/* Default language */
+  ipp_op_t	op;			/* Operation to perform */
+  const char	*val,			/* Option value */
+		*ppdfile;		/* PPD filename */
+  char		uri[HTTP_MAX_URI],	/* URI for printer/class */
+		line[1024],		/* Line from PPD file */
+		keyword[1024],		/* Keyword from Default line */
+		*keyptr,		/* Pointer into keyword... */
+		tempfile[1024];		/* Temporary filename */
+  FILE		*in,			/* PPD file */
+		*out;			/* Temporary file */
+  int		outfd;			/* Temporary file descriptor */
+
+
+  DEBUG_printf(("set_printer_options(%p, \"%s\", %d, %p)\n", http, printer,
+                num_options, options));
+
+  language = cupsLangDefault();
+
+  snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", printer);
+
+ /*
+  * Build a GET_PRINTER_ATTRIBUTES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+               "requested-attributes", NULL, "printer-type");
+
+ /*
+  * Do the request...
+  */
+
+  op = CUPS_ADD_PRINTER;
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+   /*
+    * See what kind of printer or class it is...
+    */
+
+    if ((attr = ippFindAttribute(response, "printer-type", IPP_TAG_ENUM)) != NULL)
+    {
+      if (attr->values[0].integer & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT))
+        op = CUPS_ADD_CLASS;
+    }
+
+    ippDelete(response);
+  }
+
+ /*
+  * Build a CUPS_ADD_PRINTER or CUPS_ADD_CLASS request, which requires
+  * the following attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  *    other options
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = op;
+  request->request.op.request_id   = 1;
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+               "printer-uri", NULL, uri);
+
+ /*
+  * Add the options...
+  */
+
+  cupsEncodeOptions(request, num_options, options);
+
+  if (op == CUPS_ADD_PRINTER)
+    ppdfile = cupsGetPPD(printer);
+  else
+    ppdfile = NULL;
+
+  if (ppdfile != NULL)
+  {
+   /*
+    * Set default options in the PPD file...
+    */
+
+    outfd = cupsTempFd(tempfile, sizeof(tempfile));
+
+    in  = fopen(ppdfile, "rb");
+    out = fdopen(outfd, "wb");
+
+    while (get_line(line, sizeof(line), in) != NULL)
+    {
+      if (strncmp(line, "*Default", 8) != 0)
+        fprintf(out, "%s\n", line);
+      else
+      {
+       /*
+        * Get default option name...
+	*/
+
+        strncpy(keyword, line + 8, sizeof(keyword) - 1);
+	keyword[sizeof(keyword) - 1] = '\0';
+
+	for (keyptr = keyword; *keyptr; keyptr ++)
+	  if (*keyptr == ':' || isspace(*keyptr))
+	    break;
+
+        *keyptr = '\0';
+
+        if (strcmp(keyword, "PageRegion") == 0)
+	  val = cupsGetOption("PageSize", num_options, options);
+	else
+	  val = cupsGetOption(keyword, num_options, options);
+
+        if (val != NULL)
+	  fprintf(out, "*Default%s: %s\n", keyword, val);
+	else
+	  fprintf(out, "%s\n", line);
+      }
+    }
+
+    fclose(in);
+    fclose(out);
+    close(outfd);
+
+   /*
+    * Do the request...
+    */
+
+    response = cupsDoFileRequest(http, request, "/admin/", tempfile);
+
+   /*
+    * Clean up temp files... (TODO: catch signals in case we CTRL-C during
+    * lpadmin)
+    */
+
+    unlink(ppdfile);
+    unlink(tempfile);
+  }
+  else
+  {
+   /*
+    * No PPD file - just set the options...
+    */
+
+    response = cupsDoRequest(http, request, "/admin/");
+  }
+
+ /*
+  * Check the response...
+  */
+
+  if (response == NULL)
+    fprintf(stderr, "lpadmin: %s failed: %s\n",
+            op == CUPS_ADD_PRINTER ? "add-printer" : "add-class",
+            ippErrorString(cupsLastError()));
+  else
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+      fprintf(stderr, "lpadmin: %s failed: %s\n",
+              op == CUPS_ADD_PRINTER ? "add-printer" : "add-class",
+              ippErrorString(response->request.status.status_code));
+
+    ippDelete(response);
+  }
+}
+
+
+/*
+ * 'validate_name()' - Make sure the printer name only contains letters,
+ *                     numbers, and the underscore...
+ */
+
+static int			/* O - 0 if name is no good, 1 if name is good */
+validate_name(const char *name)	/* I - Name to check */
+{
+ /*
+  * Don't allow names to start with a digit...
+  */
+
+  if (isdigit(*name))
+    return (0);
+
+ /*
+  * Scan the whole name...
+  */
+
+  while (*name)
+    if (*name == '@')
+      return (1);
+    else if (!isalnum(*name) && *name != '_')
+      return (0);
+    else
+      name ++;
+
+  return (1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lpinfo.c b/systemv/lpinfo.c
new file mode 100644
index 000000000..5acbfad92
--- /dev/null
+++ b/systemv/lpinfo.c
@@ -0,0 +1,457 @@
+/*
+ * "$Id$"
+ *
+ *   "lpinfo" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()         - Parse options and show information.
+ *   show_devices() - Show available devices.
+ *   show_models()  - Show available PPDs.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+#include <cups/string.h>
+
+
+/*
+ * Local functions...
+ */
+
+static int	show_devices(http_t *, int);
+static int	show_models(http_t *, int);
+
+
+/*
+ * 'main()' - Parse options and show status information.
+ */
+
+int
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* Connection to server */
+  int		long_status;	/* Long listing? */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+  http        = NULL;
+  long_status = 0;
+  encryption  = cupsEncryption();
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    if (http)
+	      httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'l' : /* Show long listing */
+	    long_status = 1;
+	    break;
+
+        case 'm' : /* Show models */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpinfo: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (show_models(http, long_status))
+	      return (1);
+	    break;
+	    
+        case 'v' : /* Show available devices */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpinfo: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (show_devices(http, long_status))
+	      return (1);
+	    break;
+
+        case 'h' : /* Connect to host */
+	    if (http)
+	      httpClose(http);
+
+	    if (argv[i][2] != '\0')
+	      http = httpConnectEncrypt(argv[i] + 2, ippPort(), encryption);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("Error: need hostname after \'-h\' option!\n", stderr);
+		return (1);
+              }
+
+	      http = httpConnectEncrypt(argv[i], ippPort(), encryption);
+	    }
+
+	    if (http == NULL)
+	    {
+	      perror("lpinfo: Unable to connect to server");
+	      return (1);
+	    }
+	    break;
+
+	default :
+	    fprintf(stderr, "lpinfo: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else
+    {
+      fprintf(stderr, "lpinfo: Unknown argument \'%s\'!\n", argv[i]);
+      return (1);
+    }
+
+  return (0);
+}
+
+
+/*
+ * 'show_devices()' - Show available devices.
+ */
+
+static int			/* O - 0 on success, 1 on failure */
+show_devices(http_t *http,	/* I - HTTP connection to server */
+             int    long_status)/* I - Long status report? */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*device_class,	/* Pointer into device-class */
+		*device_info,	/* Pointer into device-info */
+		*device_make,	/* Pointer into device-make-and-model */
+		*device_uri;	/* Pointer into device-uri */
+
+
+  if (http == NULL)
+    return (1);
+
+ /*
+  * Build a CUPS_GET_DEVICES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_DEVICES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, "ipp://localhost/printers/");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+   /*
+    * Loop through the device list and display them...
+    */
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpinfo: cups-get-devices failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return (1);
+    }
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a device...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this device...
+      */
+
+      device_class = NULL;
+      device_info  = NULL;
+      device_make  = NULL;
+      device_uri   = NULL;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "device-class") == 0 &&
+	    attr->value_tag == IPP_TAG_KEYWORD)
+	  device_class = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "device-info") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  device_info = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "device-make-and-model") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  device_make = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "device-uri") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  device_uri = attr->values[0].string.text;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (device_class == NULL || device_info == NULL ||
+          device_make == NULL || device_uri == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * Display the device...
+      */
+
+      if (long_status)
+      {
+	printf("Device: uri = %s\n", device_uri);
+	printf("        class = %s\n", device_class);
+	printf("        info = %s\n", device_info);
+	printf("        make-and-model = %s\n", device_make);
+      }
+      else
+        printf("%s %s\n", device_class, device_uri);
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    fprintf(stderr, "lpinfo: cups-get-devices failed: %s\n",
+            ippErrorString(cupsLastError()));
+    return (1);
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'show_models()' - Show available PPDs.
+ */
+
+static int			/* O - 0 on success, 1 on failure */
+show_models(http_t *http,	/* I - HTTP connection to server */
+            int    long_status)	/* I - Long status report? */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*ppd_language,	/* Pointer into ppd-natural-language */
+		*ppd_make,	/* Pointer into ppd-make-and-model */
+		*ppd_name;	/* Pointer into ppd-name */
+
+
+  if (http == NULL)
+    return (1);
+
+ /*
+  * Build a CUPS_GET_PPDS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_PPDS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+               NULL, "ipp://localhost/printers/");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+   /*
+    * Loop through the device list and display them...
+    */
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpinfo: cups-get-ppds failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return (1);
+    }
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a PPD...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this PPD...
+      */
+
+      ppd_language = NULL;
+      ppd_make     = NULL;
+      ppd_name     = NULL;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "ppd-natural-language") == 0 &&
+	    attr->value_tag == IPP_TAG_LANGUAGE)
+	  ppd_language = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "ppd-make-and-model") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  ppd_make = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "ppd-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  ppd_name = attr->values[0].string.text;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (ppd_language == NULL || ppd_make == NULL || ppd_name == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * Display the device...
+      */
+
+      if (long_status)
+      {
+	printf("Model:  name = %s\n", ppd_name);
+	printf("        natural_language = %s\n", ppd_language);
+	printf("        make-and-model = %s\n", ppd_make);
+      }
+      else
+        printf("%s %s\n", ppd_name, ppd_make);
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+  {
+    fprintf(stderr, "lpinfo: cups-get-ppds failed: %s\n",
+            ippErrorString(cupsLastError()));
+
+    return (1);
+  }
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lpmove.c b/systemv/lpmove.c
new file mode 100644
index 000000000..24cd49c5f
--- /dev/null
+++ b/systemv/lpmove.c
@@ -0,0 +1,232 @@
+/*
+ * "$Id$"
+ *
+ *   "lpmove" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()     - Parse options and move jobs.
+ *   move_job() - Move a job.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+#include <cups/string.h>
+
+
+/*
+ * Local functions...
+ */
+
+static void	move_job(http_t *, int, const char *);
+
+
+/*
+ * 'main()' - Parse options and show status information.
+ */
+
+int
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* Connection to server */
+  const char	*job;		/* Job name */
+  const char	*dest;		/* New destination */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+  http       = NULL;
+  job        = NULL;
+  dest       = NULL;
+  encryption = cupsEncryption();
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (argv[i][1])
+      {
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    if (http)
+	      httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'h' : /* Connect to host */
+	    if (http)
+	      httpClose(http);
+
+	    if (argv[i][2] != '\0')
+	      http = httpConnectEncrypt(argv[i] + 2, ippPort(), encryption);
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("Error: need hostname after \'-h\' option!\n", stderr);
+		return (1);
+              }
+
+	      http = httpConnectEncrypt(argv[i], ippPort(), encryption);
+	    }
+
+	    if (http == NULL)
+	    {
+	      perror("lpmove: Unable to connect to server");
+	      return (1);
+	    }
+	    break;
+
+	default :
+	    fprintf(stderr, "lpmove: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else if (job == NULL)
+    {
+      if ((job = strrchr(argv[i], '-')) != NULL)
+        job ++;
+      else
+        job = argv[i];
+    }
+    else if (dest == NULL)
+      dest = argv[i];
+    else
+    {
+      fprintf(stderr, "lpmove: Unknown argument \'%s\'!\n", argv[i]);
+      return (1);
+    }
+
+  if (job == NULL || dest == NULL)
+  {
+    puts("Usage: lpmove job dest");
+    return (1);
+  }
+
+  if (!http)
+  {
+    http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+    if (http == NULL)
+    {
+      perror("lpmove: Unable to connect to server");
+      return (1);
+    }
+  }
+
+  move_job(http, atoi(job), dest);
+
+  return (0);
+}
+
+
+/*
+ * 'move_job()' - Move a job.
+ */
+
+static void
+move_job(http_t     *http,	/* I - HTTP connection to server */
+         int        jobid,	/* I - Job ID */
+	 const char *dest)	/* I - Destination */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  cups_lang_t	*language;	/* Default language */
+  char		job_uri[HTTP_MAX_URI],
+				/* job-uri */
+		printer_uri[HTTP_MAX_URI];
+				/* job-printer-uri */
+
+
+  if (http == NULL)
+    return;
+
+ /*
+  * Build a CUPS_MOVE_JOB request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    job-uri
+  *    job-printer-uri
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_MOVE_JOB;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  snprintf(job_uri, sizeof(job_uri), "ipp://localhost/jobs/%d", jobid);
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, job_uri);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+               NULL, cupsUser());
+
+  snprintf(printer_uri, sizeof(printer_uri), "ipp://localhost/printers/%s", dest);
+  ippAddString(request, IPP_TAG_JOB, IPP_TAG_URI, "job-printer-uri",
+               NULL, printer_uri);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+  {
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpmove: move-job failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpmove: move-job failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lpoptions.c b/systemv/lpoptions.c
new file mode 100644
index 000000000..7335e1368
--- /dev/null
+++ b/systemv/lpoptions.c
@@ -0,0 +1,427 @@
+/*
+ * "$Id$"
+ *
+ *   Printer option program for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()         - Main entry.
+ *   list_group()   - List printer-specific options from the PPD group.
+ *   list_options() - List printer-specific options from the PPD file.
+ *   usage()        - Show program usage and exit.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <stdlib.h>
+
+
+/*
+ * Local functions...
+ */
+
+void	list_group(ppd_group_t *group);
+void	list_options(cups_dest_t *dest);
+void	usage(void);
+
+
+/*
+ * 'main()' - Main entry.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i, j;		/* Looping vars */
+  int		changes;	/* Did we make changes? */
+  int		num_options;	/* Number of options */
+  cups_option_t	*options;	/* Options */
+  int		num_dests;	/* Number of destinations */
+  cups_dest_t	*dests;		/* Destinations */
+  cups_dest_t	*dest;		/* Current destination */
+  char		*printer,	/* Printer name */
+		*instance,	/* Instance name */ 
+ 		*option;	/* Current option */
+
+
+ /*
+  * Loop through the command-line arguments...
+  */
+
+  dest        = NULL;
+  num_dests   = 0;
+  dests       = NULL;
+  num_options = 0;
+  options     = NULL;
+  changes     = 0;
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+    {
+      switch (argv[i][1])
+      {
+        case 'd' : /* -d printer */
+	    if (argv[i][2])
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+	      printer = argv[i];
+	    }
+
+            if ((instance = strrchr(printer, '/')) != NULL)
+	      *instance++ = '\0';
+
+	    if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+            if ((dest = cupsGetDest(printer, instance, num_dests, dests)) == NULL)
+	    {
+	      fputs("lpoptions: Unknown printer or class!\n", stderr);
+	      return (1);
+	    }
+
+	   /*
+	    * Set the default destination...
+	    */
+
+	    for (j = 0; j < num_dests; j ++)
+	      dests[j].is_default = 0;
+
+	    dest->is_default = 1;
+
+	    cupsSetDests(num_dests, dests);
+
+	    for (j = 0; j < dest->num_options; j ++)
+	      num_options = cupsAddOption(dest->options[j].name,
+	                                  dest->options[j].value,
+	                                  num_options, &options);
+	    break;
+
+	case 'h' : /* -h server */
+	    if (argv[i][2])
+	      cupsSetServer(argv[i] + 2);
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+	      cupsSetServer(argv[i]);
+	    }
+	    break;
+
+	case 'l' : /* -l (list options) */
+            if (dest == NULL)
+	    {
+	      if (num_dests == 0)
+		num_dests = cupsGetDests(&dests);
+
+	      for (i = num_dests, dest = dests; i > 0; i --, dest ++)
+	        if (dest->is_default)
+		  break;
+
+              if (i == 0)
+	        dest = dests;
+	    }
+
+            if (dest == NULL)
+	      fputs("lpoptions: No printers!?!\n", stderr);
+	    else
+	      list_options(dest);
+
+            changes = -1;
+	    break;
+
+	case 'o' : /* -o option[=value] */
+	    if (argv[i][2])
+	      num_options = cupsParseOptions(argv[i] + 2, num_options, &options);
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+	      num_options = cupsParseOptions(argv[i], num_options, &options);
+	    }
+
+	    changes = 1;
+	    break;
+
+	case 'p' : /* -p printer */
+	    if (argv[i][2])
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+	      printer = argv[i];
+	    }
+
+            if ((instance = strrchr(printer, '/')) != NULL)
+	      *instance++ = '\0';
+
+	    if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+            if ((dest = cupsGetDest(printer, instance, num_dests, dests)) == NULL)
+	    {
+	      num_dests = cupsAddDest(printer, instance, num_dests, &dests);
+	      dest      = cupsGetDest(printer, instance, num_dests, dests);
+
+              if (dest == NULL)
+	      {
+	        perror("lpoptions: Unable to add printer or instance");
+		return (1);
+	      }
+	    }
+
+	    for (j = 0; j < dest->num_options; j ++)
+	      num_options = cupsAddOption(dest->options[j].name,
+	                                  dest->options[j].value,
+	                                  num_options, &options);
+	    break;
+
+	case 'r' : /* -r option (remove) */
+	    if (argv[i][2])
+	      option = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+	      option = argv[i];
+	    }
+
+            for (j = 0; j < num_options; j ++)
+	      if (strcasecmp(options[j].name, option) == 0)
+	      {
+	       /*
+	        * Remove this option...
+		*/
+
+	        num_options --;
+
+		if (j < num_options)
+		  memcpy(options + j, options + j + 1,
+		         sizeof(cups_option_t) * (num_options - j));
+		break;
+              }
+
+	    changes = 1;
+	    break;
+
+        case 'x' : /* -x printer */
+	    if (argv[i][2])
+	      printer = argv[i] + 2;
+	    else
+	    {
+	      i ++;
+	      if (i >= argc)
+	        usage();
+
+	      printer = argv[i];
+	    }
+
+            if ((instance = strrchr(printer, '/')) != NULL)
+	      *instance++ = '\0';
+
+	    if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+            if ((dest = cupsGetDest(printer, instance, num_dests, dests)) == NULL)
+	    {
+	      if (instance)
+		fprintf(stderr, "lpoptions: No such printer/instance: %s/%s\n",
+		        printer, instance);
+	      else
+		fprintf(stderr, "lpoptions: No such printer: %s\n", printer);
+
+	      return (1);
+	    }
+
+            cupsFreeOptions(dest->num_options, dest->options);
+	    num_dests --;
+
+	    j = dest - dests;
+	    if (j < num_dests)
+	      memcpy(dest, dest + 1, (num_dests - j) * sizeof(cups_dest_t));
+
+	    cupsSetDests(num_dests, dests);
+	    dest = NULL;
+	    break;
+
+	default :
+	    usage();
+      }
+    }
+    else
+      usage();
+
+  if (num_dests == 0)
+    num_dests = cupsGetDests(&dests);
+
+  if (dest == NULL)
+    for (i = 0; i < num_dests; i ++)
+      if (dests[i].is_default)
+      {
+        dest = dests + i;
+	break;
+      }
+
+  if (dest == NULL)
+    return (0);
+
+  if (changes > 0)
+  {
+   /*
+    * Set printer options...
+    */
+
+    cupsFreeOptions(dest->num_options, dest->options);
+
+    dest->num_options = num_options;
+    dest->options     = options;
+
+    cupsSetDests(num_dests, dests);
+  }
+  else if (changes == 0)
+  {
+    num_options = dest->num_options;
+    options     = dest->options;
+
+    for (i = 0; i < num_options; i ++)
+    {
+      if (i)
+        putchar(' ');
+
+      if (!options[i].value[0])
+        printf("%s", options[i].name);
+      else if (strchr(options[i].value, ' ') != NULL ||
+               strchr(options[i].value, '\t') != NULL)
+	printf("%s=\'%s\'", options[i].name, options[i].value);
+      else
+	printf("%s=%s", options[i].name, options[i].value);
+    }
+
+    putchar('\n');
+  }
+
+  return (0);
+}
+
+/*
+ * 'list_group()' - List printer-specific options from the PPD group.
+ */
+
+void
+list_group(ppd_group_t *group)	/* I - Group to show */
+{
+  int		i, j;		/* Looping vars */
+  ppd_option_t	*option;	/* Current option */
+  ppd_choice_t	*choice;	/* Current choice */
+  ppd_group_t	*subgroup;	/* Current subgroup */
+
+
+  for (i = group->num_options, option = group->options; i > 0; i --, option ++)
+  {
+    printf("%s/%s:", option->keyword, option->text);
+
+    for (j = option->num_choices, choice = option->choices; j > 0; j --, choice ++)
+      if (choice->marked)
+        printf(" *%s", choice->choice);
+      else
+        printf(" %s", choice->choice);
+
+    putchar('\n');
+  }
+
+  for (i = group->num_subgroups, subgroup = group->subgroups; i > 0; i --, subgroup ++)
+    list_group(subgroup);
+}
+
+
+/*
+ * 'list_options()' - List printer-specific options from the PPD file.
+ */
+
+void
+list_options(cups_dest_t *dest)	/* I - Destination to list */
+{
+  int		i;		/* Looping var */
+  const char	*filename;	/* PPD filename */
+  ppd_file_t	*ppd;		/* PPD data */
+  ppd_group_t	*group;		/* Current group */
+
+
+  if ((filename = cupsGetPPD(dest->name)) == NULL)
+  {
+    fprintf(stderr, "lpoptions: Destination %s has no PPD file!\n", dest->name);
+    return;
+  }
+
+  if ((ppd = ppdOpenFile(filename)) == NULL)
+  {
+    unlink(filename);
+    fprintf(stderr, "lpoptions: Unable to open PPD file for %s!\n", dest->name);
+    return;
+  }
+
+  ppdMarkDefaults(ppd);
+  cupsMarkOptions(ppd, dest->num_options, dest->options);
+
+  for (i = ppd->num_groups, group = ppd->groups; i > 0; i --, group ++)
+    list_group(group);
+
+  ppdClose(ppd);
+  unlink(filename);
+}
+
+
+/*
+ * 'usage()' - Show program usage and exit.
+ */
+
+void
+usage(void)
+{
+  puts("Usage: lpoptions -d printer");
+  puts("       lpoptions [-p printer] -l");
+  puts("       lpoptions -p printer -o option[=value] ...");
+  puts("       lpoptions -x printer");
+
+  exit(1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lppasswd.c b/systemv/lppasswd.c
new file mode 100644
index 000000000..3361f1cc9
--- /dev/null
+++ b/systemv/lppasswd.c
@@ -0,0 +1,405 @@
+/*
+ * "$Id$"
+ *
+ *   MD5 password program for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()  - Add, change, or delete passwords from the MD5 password file.
+ *   usage() - Show program usage.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <cups/cups.h>
+#include <cups/md5.h>
+#include <cups/string.h>
+
+
+/*
+ * Operations...
+ */
+
+#define ADD	0
+#define CHANGE	1
+#define DELETE	2
+
+
+/*
+ * Local functions...
+ */
+
+static void	usage(FILE *fp);
+
+
+/*
+ * 'main()' - Add, change, or delete passwords from the MD5 password file.
+ */
+
+int				/* O - Exit status */
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  char		*opt;		/* Option pointer */
+  const char	*username;	/* Pointer to username */
+  const char	*groupname;	/* Pointer to group name */
+  int		op;		/* Operation (add, change, delete) */
+  const char	*passwd;	/* Password string */
+  FILE		*infile,	/* Input file */
+		*outfile;	/* Output file */
+  char		line[256],	/* Line from file */
+		userline[17],	/* User from line */
+		groupline[17],	/* Group from line */
+		md5line[33],	/* MD5-sum from line */
+		md5new[33];	/* New MD5 sum */
+  const char	*root;		/* CUPS server root directory */
+  char		passwdmd5[1024],/* passwd.md5 file */
+		passwdold[1024],/* passwd.old file */
+		passwdnew[1024];/* passwd.tmp file */
+  char		*newpass,	/* new password */
+  		*oldpass;	/* old password */
+  int		flag;		/* Password check flags... */
+  int		fd;		/* Password file descriptor */
+
+
+ /*
+  * Find the server directory...
+  *
+  * Don't use CUPS_SERVERROOT unless we're run by the
+  * super user.
+  */
+
+  if (!getuid() && (root = getenv("CUPS_SERVERROOT")) != NULL)
+  {
+    snprintf(passwdmd5, sizeof(passwdmd5), "%s/passwd.md5", root);
+    snprintf(passwdold, sizeof(passwdold), "%s/passwd.old", root);
+    snprintf(passwdnew, sizeof(passwdnew), "%s/passwd.new", root);
+  }
+  else
+  {
+    strcpy(passwdmd5, CUPS_SERVERROOT "/passwd.md5");
+    strcpy(passwdold, CUPS_SERVERROOT "/passwd.old");
+    strcpy(passwdnew, CUPS_SERVERROOT "/passwd.new");
+  }
+
+ /*
+  * Find the default system group: "sys", "system", or "root"...
+  */
+
+  if (getgrnam("sys"))
+    groupname = "sys";
+  else if (getgrnam("system"))
+    groupname = "system";
+  else if (getgrnam("root"))
+    groupname = "root";
+  else
+    groupname = "unknown";
+
+  endgrent();
+
+  username = NULL;
+  op       = CHANGE;
+
+ /*
+  * Parse command-line options...
+  */
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      for (opt = argv[i] + 1; *opt; opt ++)
+        switch (*opt)
+	{
+	  case 'a' : /* Add */
+	      op = ADD;
+	      break;
+	  case 'x' : /* Delete */
+	      op = DELETE;
+	      break;
+	  case 'g' : /* Group */
+	      i ++;
+	      if (i >= argc)
+	        usage(stderr);
+
+              groupname = argv[i];
+	      break;
+	  case 'h' : /* Help */
+	      usage(stdout);
+	      break;
+	  default : /* Bad option */
+	      usage(stderr);
+	      break;
+	}
+    else if (!username)
+      username = argv[i];
+    else
+      usage(stderr);
+
+ /*
+  * See if we are trying to add or delete a password when we aren't logged in
+  * as root...
+  */
+
+  if (getuid() && (op != CHANGE || username))
+  {
+    fputs("lppasswd: Only root can add or delete passwords!\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Fill in missing info...
+  */
+
+  if (!username)
+    username = cupsUser();
+
+  oldpass = newpass = NULL;
+
+ /*
+  * Obtain old and new password _before_ locking the database
+  * to keep users from locking the file indefinitely.
+  */
+
+  if (op == CHANGE && getuid())
+  {
+    if ((passwd = cupsGetPassword("Enter old password:")) == NULL)
+      return (1);
+
+    if ((oldpass = strdup(passwd)) == NULL)
+    {
+      perror("lppasswd: Unable to copy password string");
+      return (1);
+    }
+  }
+
+ /*
+  * Now get the new password, if necessary...
+  */
+
+  if (op != DELETE)
+  {
+    if ((passwd = cupsGetPassword("Enter password:")) == NULL)
+      return (1);
+
+    if ((newpass = strdup(passwd)) == NULL)
+    {
+      perror("lppasswd: Unable to copy password string!");
+      return (1);
+    }
+
+    if ((passwd = cupsGetPassword("Enter password again:")) == NULL)
+      return (1);
+
+    if (strcmp(passwd, newpass) != 0)
+    {
+      fputs("lppasswd: Sorry, passwords don't match!\n", stderr);
+      return (1);
+    }
+
+   /*
+    * Check that the password contains at least one letter and number.
+    */
+
+    flag = 0;
+
+    for (passwd = newpass; *passwd; passwd ++)
+      if (isdigit(*passwd))
+	flag |= 1;
+      else if (isalpha(*passwd))
+	flag |= 2;
+
+   /*
+    * Only allow passwords that are at least 6 chars, have a letter and
+    * a number, and don't contain the username.
+    */
+
+    if (strlen(newpass) < 6 || strstr(newpass, username) != NULL || flag != 3)
+    {
+      fputs("lppasswd: Sorry, password rejected.\n"
+	    "Your password must be at least 6 characters long, cannot contain\n"
+	    "your username, and must contain at least one letter and number.\n",
+	    stderr);
+      return (1);
+    }
+  }
+
+ /*
+  * Open the output file.
+  */
+
+  if ((fd = open(passwdnew, O_WRONLY | O_CREAT | O_EXCL, 0400)) < 0)
+  {
+    if (errno == EEXIST)
+      fputs("lppasswd: Password file busy!\n", stderr);
+    else
+      perror("lppasswd: Unable to open passwd file");
+
+    return (1);
+  }
+
+  if ((outfile = fdopen(fd, "w")) == NULL)
+  {
+    perror("lppasswd: Unable to open passwd file");
+
+    unlink(passwdnew);
+
+    return (1);
+  }
+
+ /*
+  * Open the existing password file and create a new one...
+  */
+
+  infile = fopen(passwdmd5, "r");
+  if (infile == NULL && errno != ENOENT && op != ADD)
+  {
+    fputs("lppasswd: No password file to change or delete from!\n", stderr);
+
+    fclose(outfile);
+
+    unlink(passwdnew);
+
+    return (1);
+  }
+
+ /*
+  * Read lines from the password file; the format is:
+  *
+  *   username:group:MD5-sum
+  */
+
+  if (infile)
+  {
+    while (fgets(line, sizeof(line), infile) != NULL)
+    {
+      if (sscanf(line, "%16[^:]:%16[^:]:%32s", userline, groupline, md5line) != 3)
+        continue;
+
+      if (strcmp(username, userline) == 0 &&
+          strcmp(groupname, groupline) == 0)
+	break;
+
+      fputs(line, outfile);
+    }
+
+    while (fgets(line, sizeof(line), infile) != NULL)
+      fputs(line, outfile);
+  }
+  else
+  {
+    userline[0]  = '\0';
+    groupline[0] = '\0';
+    md5line[0]   = '\0';
+  }
+
+  if (op == CHANGE &&
+      (strcmp(username, userline) != 0 ||
+       strcmp(groupname, groupline) != 0))
+    fprintf(stderr, "lppasswd: user \"%s\" and group \"%s\" do not exist.\n",
+            username, groupname);
+  else if (op != DELETE)
+  {
+    if (oldpass &&
+        strcmp(httpMD5(username, "CUPS", oldpass, md5new), md5line) != 0)
+    {
+      fputs("lppasswd: Sorry, password doesn't match!\n", stderr);
+
+      if (infile)
+	fclose(infile);
+
+      fclose(outfile);
+
+      unlink(passwdnew);
+
+      return (1);
+    }
+
+    fprintf(outfile, "%s:%s:%s\n", username, groupname,
+            httpMD5(username, "CUPS", newpass, md5new));
+  }
+
+ /*
+  * Close the files and remove the old password file...
+  */
+
+  if (infile)
+    fclose(infile);
+
+  fclose(outfile);
+
+ /*
+  * Save old passwd file
+  */
+
+  unlink(passwdold);
+  link(passwdmd5, passwdold);
+
+ /*
+  * Install new password file
+  */
+
+  if (rename(passwdnew, passwdmd5) < 0)
+  {
+    perror("lppasswd: failed to rename passwd file");
+    unlink(passwdnew);
+    return (1);
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'usage()' - Show program usage.
+ */
+
+static void
+usage(FILE *fp)		/* I - File to send usage to */
+{
+  if (getuid())
+  {
+    fputs("Usage: lppasswd [-g groupname]\n", fp);
+  }
+  else
+  {
+    fputs("Usage: lppasswd [-g groupname] [username]\n", fp);
+    fputs("       lppasswd [-g groupname] -a [username]\n", fp);
+    fputs("       lppasswd [-g groupname] -x [username]\n", fp);
+  }
+
+  exit(1);
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/systemv/lpstat.c b/systemv/lpstat.c
new file mode 100644
index 000000000..653e0fec2
--- /dev/null
+++ b/systemv/lpstat.c
@@ -0,0 +1,1924 @@
+/*
+ * "$Id$"
+ *
+ *   "lpstat" command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()           - Parse options and show status information.
+ *   show_accepting() - Show acceptance status.
+ *   show_classes()   - Show printer classes.
+ *   show_default()   - Show default destination.
+ *   show_devices()   - Show printer devices.
+ *   show_jobs()      - Show active print jobs.
+ *   show_printers()  - Show printers.
+ *   show_scheduler() - Show scheduler status.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <cups/cups.h>
+#include <cups/language.h>
+#include <cups/debug.h>
+#include <cups/string.h>
+
+
+/*
+ * Local functions...
+ */
+
+static void	show_accepting(http_t *, const char *, int, cups_dest_t *);
+static void	show_classes(http_t *, const char *);
+static void	show_default(int, cups_dest_t *);
+static void	show_devices(http_t *, const char *, int, cups_dest_t *);
+static void	show_jobs(http_t *, const char *, const char *, int, int);
+static void	show_printers(http_t *, const char *, int, cups_dest_t *, int);
+static void	show_scheduler(http_t *);
+
+
+/*
+ * 'main()' - Parse options and show status information.
+ */
+
+int
+main(int  argc,			/* I - Number of command-line arguments */
+     char *argv[])		/* I - Command-line arguments */
+{
+  int		i;		/* Looping var */
+  http_t	*http;		/* Connection to server */
+  int		num_dests;	/* Number of user destinations */
+  cups_dest_t	*dests;		/* User destinations */
+  int		long_status;	/* Long status report? */
+  int		ranking;	/* Show job ranking? */
+  http_encryption_t encryption;	/* Encryption? */
+
+
+  http        = NULL;
+  num_dests   = 0;
+  dests       = NULL;
+  long_status = 0;
+  ranking     = 0;
+  encryption  = cupsEncryption();
+
+  for (i = 1; i < argc; i ++)
+    if (argv[i][0] == '-')
+      switch (argv[i][1])
+      {
+        case 'D' : /* Show description */
+	    long_status = 1;
+	    break;
+
+        case 'E' : /* Encrypt */
+#ifdef HAVE_LIBSSL
+	    encryption = HTTP_ENCRYPT_REQUIRED;
+
+	    if (http)
+	      httpEncryption(http, encryption);
+#else
+            fprintf(stderr, "%s: Sorry, no encryption support compiled in!\n",
+	            argv[0]);
+#endif /* HAVE_LIBSSL */
+	    break;
+
+        case 'P' : /* Show paper types */
+	    break;
+	    
+        case 'R' : /* Show ranking */
+	    ranking = 1;
+	    break;
+	    
+        case 'S' : /* Show charsets */
+	    if (!argv[i][2])
+	      i ++;
+	    break;
+
+        case 'a' : /* Show acceptance status */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+	    if (argv[i][2] != '\0')
+	      show_accepting(http, argv[i] + 2, num_dests, dests);
+	    else if ((i + 1) < argc && argv[i + 1][0] != '-')
+	    {
+	      i ++;
+	      show_accepting(http, argv[i], num_dests, dests);
+	    }
+	    else
+	      show_accepting(http, NULL, num_dests, dests);
+	    break;
+
+#ifdef __sgi
+        case 'b' : /* Show both the local and remote status */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2] != '\0')
+	    {
+	     /*
+	      * The local and remote status are separated by a blank line;
+	      * since all CUPS jobs are networked, we only output the
+	      * second list for now...  In the future, we might further
+	      * emulate this by listing the remote server's queue, but
+	      * for now this is enough to make the SGI printstatus program
+	      * happy...
+	      */
+
+	      puts("");
+	      show_jobs(http, argv[i] + 2, NULL, 3, ranking);
+	    }
+	    else
+	    {
+	      fputs("lpstat: The -b option requires a destination argument.\n",
+	            stderr);
+
+	      return (1);
+	    }
+	    break;
+#endif /* __sgi */
+
+        case 'c' : /* Show classes and members */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2] != '\0')
+	      show_classes(http, argv[i] + 2);
+	    else if ((i + 1) < argc && argv[i + 1][0] != '-')
+	    {
+	      i ++;
+	      show_classes(http, argv[i]);
+	    }
+	    else
+	      show_classes(http, NULL);
+	    break;
+
+        case 'd' : /* Show default destination */
+            if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+            show_default(num_dests, dests);
+	    break;
+
+        case 'f' : /* Show forms */
+	    if (!argv[i][2])
+	      i ++;
+	    break;
+	    
+        case 'h' : /* Connect to host */
+	    if (http)
+	      httpClose(http);
+
+	    if (argv[i][2] != '\0')
+	    {
+	      http = httpConnectEncrypt(argv[i] + 2, ippPort(), encryption);
+	      cupsSetServer(argv[i] + 2);
+	    }
+	    else
+	    {
+	      i ++;
+
+	      if (i >= argc)
+	      {
+	        fputs("Error: need hostname after \'-h\' option!\n", stderr);
+		return (1);
+              }
+
+	      http = httpConnectEncrypt(argv[i], ippPort(), encryption);
+	      cupsSetServer(argv[i]);
+	    }
+
+	    if (http == NULL)
+	    {
+	      perror("lpstat: Unable to connect to server");
+	      return (1);
+	    }
+	    break;
+
+        case 'l' : /* Long status or long job status */
+#ifdef __sgi
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2] != '\0')
+	      show_jobs(http, argv[i] + 2, NULL, 3, ranking);
+	    else
+#endif /* __sgi */
+	      long_status = 2;
+	    break;
+
+        case 'o' : /* Show jobs by destination */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2] != '\0')
+	      show_jobs(http, argv[i] + 2, NULL, long_status, ranking);
+	    else if ((i + 1) < argc && argv[i + 1][0] != '-')
+	    {
+	      i ++;
+	      show_jobs(http, argv[i], NULL, long_status, ranking);
+	    }
+	    else
+	      show_jobs(http, NULL, NULL, long_status, ranking);
+	    break;
+
+        case 'p' : /* Show printers */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+	    if (argv[i][2] != '\0')
+	      show_printers(http, argv[i] + 2, num_dests, dests, long_status);
+	    else if ((i + 1) < argc && argv[i + 1][0] != '-')
+	    {
+	      i ++;
+	      show_printers(http, argv[i], num_dests, dests, long_status);
+	    }
+	    else
+	      show_printers(http, NULL, num_dests, dests, long_status);
+	    break;
+
+        case 'r' : /* Show scheduler status */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    show_scheduler(http);
+	    break;
+
+        case 's' : /* Show summary */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+	    show_default(num_dests, dests);
+	    show_classes(http, NULL);
+	    show_devices(http, NULL, num_dests, dests);
+	    break;
+
+        case 't' : /* Show all info */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+	    show_scheduler(http);
+	    show_default(num_dests, dests);
+	    show_classes(http, NULL);
+	    show_devices(http, NULL, num_dests, dests);
+	    show_accepting(http, NULL, num_dests, dests);
+	    show_printers(http, NULL, num_dests, dests, long_status);
+	    show_jobs(http, NULL, NULL, long_status, ranking);
+	    break;
+
+        case 'u' : /* Show jobs by user */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+	    if (argv[i][2] != '\0')
+	      show_jobs(http, NULL, argv[i] + 2, long_status, ranking);
+	    else if ((i + 1) < argc && argv[i + 1][0] != '-')
+	    {
+	      i ++;
+	      show_jobs(http, NULL, argv[i], long_status, ranking);
+	    }
+	    else
+	      show_jobs(http, NULL, NULL, long_status, ranking);
+	    break;
+
+        case 'v' : /* Show printer devices */
+	    if (!http)
+	    {
+              http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	      if (http == NULL)
+	      {
+		perror("lpstat: Unable to connect to server");
+		return (1);
+	      }
+            }
+
+            if (num_dests == 0)
+	      num_dests = cupsGetDests(&dests);
+
+	    if (argv[i][2] != '\0')
+	      show_devices(http, argv[i] + 2, num_dests, dests);
+	    else if ((i + 1) < argc && argv[i + 1][0] != '-')
+	    {
+	      i ++;
+	      show_devices(http, argv[i], num_dests, dests);
+	    }
+	    else
+	      show_devices(http, NULL, num_dests, dests);
+	    break;
+
+
+	default :
+	    fprintf(stderr, "lpstat: Unknown option \'%c\'!\n", argv[i][1]);
+	    return (1);
+      }
+    else
+    {
+      if (!http)
+      {
+	http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+	if (http == NULL)
+	{
+	  perror("lpstat: Unable to connect to server");
+	  return (1);
+	}
+      }
+
+      show_jobs(http, argv[i], NULL, long_status, ranking);
+    }
+
+  if (argc == 1)
+  {
+    if (!http)
+    {
+      http = httpConnectEncrypt(cupsServer(), ippPort(), encryption);
+
+      if (http == NULL)
+      {
+	perror("lpstat: Unable to connect to server");
+	return (1);
+      }
+    }
+
+    show_jobs(http, NULL, cupsUser(), long_status, ranking);
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'show_accepting()' - Show acceptance status.
+ */
+
+static void
+show_accepting(http_t      *http,	/* I - HTTP connection to server */
+               const char  *printers,	/* I - Destinations */
+               int         num_dests,	/* I - Number of user-defined dests */
+	       cups_dest_t *dests)	/* I - User-defined destinations */
+{
+  int		i;		/* Looping var */
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*printer,	/* Printer name */
+		*message;	/* Printer device URI */
+  int		accepting;	/* Accepting requests? */
+  const char	*dptr,		/* Pointer into destination list */
+		*ptr;		/* Pointer into printer name */
+  int		match;		/* Non-zero if this job matches */
+  static const char *pattrs[] =	/* Attributes we need for printers... */
+		{
+		  "printer-name",
+		  "printer-state-message",
+		  "printer-is-accepting-jobs"
+		};
+
+
+  DEBUG_printf(("show_accepting(%p, %p)\n", http, printers));
+
+  if (http == NULL)
+    return;
+
+  if (printers != NULL && strcmp(printers, "all") == 0)
+    printers = NULL;
+
+ /*
+  * Build a CUPS_GET_PRINTERS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_PRINTERS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
+		NULL, pattrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    DEBUG_puts("show_accepting: request succeeded...");
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpstat: get-printers failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+   /*
+    * Loop through the printers returned in the list and display
+    * their devices...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a printer...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this printer...
+      */
+
+      printer   = NULL;
+      message   = NULL;
+      accepting = 1;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  printer = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-state-message") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  message = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-is-accepting-jobs") == 0 &&
+	    attr->value_tag == IPP_TAG_BOOLEAN)
+	  accepting = attr->values[0].boolean;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (printer == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a printer we're interested in...
+      */
+
+      match = printers == NULL;
+
+      if (printers != NULL)
+      {
+        for (dptr = printers; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = printer;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+     /*
+      * Display the printer entry if needed...
+      */
+
+      if (match)
+      {
+        if (accepting)
+	  printf("%s accepting requests since Jan 01 00:00\n", printer);
+	else
+	  printf("%s not accepting requests since Jan 01 00:00 -\n\t%s\n", printer,
+	         message == NULL ? "reason unknown" : message);
+
+        for (i = 0; i < num_dests; i ++)
+	  if (strcasecmp(dests[i].name, printer) == 0 && dests[i].instance)
+	  {
+            if (accepting)
+	      printf("%s/%s accepting requests since Jan 01 00:00\n", printer, dests[i].instance);
+	    else
+	      printf("%s/%s not accepting requests since Jan 01 00:00 -\n\t%s\n", printer,
+	             dests[i].instance,
+	             message == NULL ? "reason unknown" : message);
+	  }
+      }
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpstat: get-printers failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * 'show_classes()' - Show printer classes.
+ */
+
+static void
+show_classes(http_t     *http,	/* I - HTTP connection to server */
+             const char *dests)	/* I - Destinations */
+{
+  int		i;		/* Looping var */
+  ipp_t		*request,	/* IPP Request */
+		*response,	/* IPP Response */
+		*response2;	/* IPP response from remote server */
+  http_t	*http2;		/* Remote server */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*printer,	/* Printer class name */
+		*printer_uri;	/* Printer class URI */
+  ipp_attribute_t *members;	/* Printer members */
+  char		method[HTTP_MAX_URI],
+				/* Request method */
+		username[HTTP_MAX_URI],
+				/* Username:password */
+		server[HTTP_MAX_URI],
+				/* Server name */
+		resource[HTTP_MAX_URI];
+				/* Resource name */
+  int		port;		/* Port number */
+  const char	*dptr,		/* Pointer into destination list */
+		*ptr;		/* Pointer into printer name */
+  int		match;		/* Non-zero if this job matches */
+  static const char *cattrs[] =	/* Attributes we need for classes... */
+		{
+		  "printer-name",
+		  "printer-uri-supported",
+		  "member-names"
+		};
+
+
+  DEBUG_printf(("show_classes(%p, %p)\n", http, dests));
+
+  if (http == NULL)
+    return;
+
+  if (dests != NULL && strcmp(dests, "all") == 0)
+    dests = NULL;
+
+ /*
+  * Build a CUPS_GET_CLASSES request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_CLASSES;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(cattrs) / sizeof(cattrs[0]),
+		NULL, cattrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    DEBUG_puts("show_classes: request succeeded...");
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpstat: get-classes failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+   /*
+    * Loop through the printers returned in the list and display
+    * their devices...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      printer     = NULL;
+      printer_uri = NULL;
+      members     = NULL;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  printer = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-uri-supported") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  printer_uri = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "member-names") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  members = attr;
+
+        attr = attr->next;
+      }
+
+     /*
+      * If this is a remote class, grab the class info from the
+      * remote server...
+      */
+
+      response2 = NULL;
+      if (members == NULL && printer_uri != NULL)
+      {
+        httpSeparate(printer_uri, method, username, server, &port, resource);
+
+        if ((http2 = httpConnectEncrypt(server, port, cupsEncryption())) != NULL)
+	{
+	 /*
+	  * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
+	  * following attributes:
+	  *
+	  *    attributes-charset
+	  *    attributes-natural-language
+	  *    printer-uri
+	  *    requested-attributes
+	  */
+
+	  request = ippNew();
+
+	  request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+	  request->request.op.request_id   = 1;
+
+	  language = cupsLangDefault();
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+        	       "attributes-charset", NULL, cupsLangEncoding(language));
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+        	       "attributes-natural-language", NULL, language->language);
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+        	       "printer-uri", NULL, printer_uri);
+
+	  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                	"requested-attributes", sizeof(cattrs) / sizeof(cattrs[0]),
+			NULL, cattrs);
+
+          if ((response2 = cupsDoRequest(http2, request, "/")) != NULL)
+	    members = ippFindAttribute(response2, "member-names", IPP_TAG_NAME);
+
+          httpClose(http2);
+        }
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (printer == NULL)
+      {
+        if (response2)
+	  ippDelete(response2);
+
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a printer we're interested in...
+      */
+
+      match = dests == NULL;
+
+      if (dests != NULL)
+      {
+        for (dptr = dests; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = printer;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+     /*
+      * Display the printer entry if needed...
+      */
+
+      if (match)
+      {
+        printf("members of class %s:\n", printer);
+
+	if (members)
+	{
+	  for (i = 0; i < members->num_values; i ++)
+	    printf("\t%s\n", members->values[i].string.text);
+        }
+	else
+	  puts("\tunknown");
+      }
+
+      if (response2)
+	ippDelete(response2);
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpstat: get-classes failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * 'show_default()' - Show default destination.
+ */
+
+static void
+show_default(int         num_dests,	/* I - Number of user-defined dests */
+	     cups_dest_t *dests)	/* I - User-defined destinations */
+{
+  int	i;				/* Looping var */
+
+
+  for (i = 0; i < num_dests; i ++)
+    if (dests[i].is_default)
+      break;
+
+  if (i < num_dests)
+  {
+    if (dests[i].instance)
+      printf("system default destination: %s/%s\n", dests[i].name,
+             dests[i].instance);
+    else
+      printf("system default destination: %s\n", dests[i].name);
+  }
+  else
+    puts("no system default destination");
+}
+
+
+/*
+ * 'show_devices()' - Show printer devices.
+ */
+
+static void
+show_devices(http_t      *http,		/* I - HTTP connection to server */
+             const char  *printers,	/* I - Destinations */
+             int         num_dests,	/* I - Number of user-defined dests */
+	     cups_dest_t *dests)	/* I - User-defined destinations */
+{
+  int		i;		/* Looping var */
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*printer,	/* Printer name */
+		*uri,		/* Printer URI */
+		*device,	/* Printer device URI */
+		*dptr,		/* Pointer into destination list */
+		*ptr;		/* Pointer into printer name */
+  int		match;		/* Non-zero if this job matches */
+  static const char *pattrs[] =	/* Attributes we need for printers... */
+		{
+		  "printer-name",
+		  "printer-uri-supported",
+		  "device-uri"
+		};
+
+
+  DEBUG_printf(("show_devices(%p, %p)\n", http, dests));
+
+  if (http == NULL)
+    return;
+
+  if (printers != NULL && strcmp(printers, "all") == 0)
+    printers = NULL;
+
+ /*
+  * Build a CUPS_GET_PRINTERS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_PRINTERS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
+		NULL, pattrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    DEBUG_puts("show_devices: request succeeded...");
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpstat: get-printers failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+   /*
+    * Loop through the printers returned in the list and display
+    * their devices...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      printer = NULL;
+      device  = NULL;
+      uri     = NULL;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  printer = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-uri-supported") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  uri = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "device-uri") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  device = attr->values[0].string.text;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (printer == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a printer we're interested in...
+      */
+
+      match = printers == NULL;
+
+      if (printers != NULL)
+      {
+        for (dptr = printers; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = printer;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+     /*
+      * Display the printer entry if needed...
+      */
+
+      if (match)
+      {
+#ifdef __osf__ /* Compaq/Digital like to do it their own way... */
+        char	method[HTTP_MAX_URI],	/* Components of printer URI */
+		username[HTTP_MAX_URI],
+		hostname[HTTP_MAX_URI],
+		resource[HTTP_MAX_URI];
+	int	port;
+
+
+        if (device == NULL)
+	{
+	  httpSeparate(uri, method, username, hostname, &port, resource);
+          printf("Output for printer %s is sent to remote printer %s on %s\n",
+	         printer, strrchr(resource, '/') + 1, hostname);
+        }
+        else if (strncmp(device, "file:", 5) == 0)
+          printf("Output for printer %s is sent to %s\n", printer, device + 5);
+        else
+          printf("Output for printer %s is sent to %s\n", printer, device);
+
+        for (i = 0; i < num_dests; i ++)
+	  if (strcasecmp(printer, dests[i].name) == 0 && dests[i].instance)
+	  {
+            if (device == NULL)
+              printf("Output for printer %s/%s is sent to remote printer %s on %s\n",
+	             printer, dests[i].instance, strrchr(resource, '/') + 1,
+		     hostname);
+            else if (strncmp(device, "file:", 5) == 0)
+              printf("Output for printer %s/%s is sent to %s\n", printer, dests[i].instance, device + 5);
+            else
+              printf("Output for printer %s/%s is sent to %s\n", printer, dests[i].instance, device);
+	  }
+#else
+        if (device == NULL)
+          printf("device for %s: %s\n", printer, uri);
+        else if (strncmp(device, "file:", 5) == 0)
+          printf("device for %s: %s\n", printer, device + 5);
+        else
+          printf("device for %s: %s\n", printer, device);
+
+        for (i = 0; i < num_dests; i ++)
+	  if (strcasecmp(printer, dests[i].name) == 0 && dests[i].instance)
+	  {
+            if (device == NULL)
+              printf("device for %s/%s: %s\n", printer, dests[i].instance, uri);
+            else if (strncmp(device, "file:", 5) == 0)
+              printf("device for %s/%s: %s\n", printer, dests[i].instance, device + 5);
+            else
+              printf("device for %s/%s: %s\n", printer, dests[i].instance, device);
+	  }
+#endif /* __osf__ */
+      }
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpstat: get-printers failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * 'show_jobs()' - Show active print jobs.
+ */
+
+static void
+show_jobs(http_t     *http,	/* I - HTTP connection to server */
+          const char *dests,	/* I - Destinations */
+          const char *users,	/* I - Users */
+          int        long_status,/* I - Show long status? */
+          int        ranking)	/* I - Show job ranking? */
+{
+  ipp_t		*request,	/* IPP Request */
+		*response;	/* IPP Response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*dest,		/* Pointer into job-printer-uri */
+		*username,	/* Pointer to job-originating-user-name */
+		*title;		/* Pointer to job-name */
+  int		rank,		/* Rank in queue */
+		jobid,		/* job-id */
+		size;		/* job-k-octets */
+  time_t	jobtime;	/* time-at-creation */
+  struct tm	*jobdate;	/* Date & time */
+  const char	*dptr,		/* Pointer into destination list */
+		*ptr;		/* Pointer into printer name */
+  int		match;		/* Non-zero if this job matches */
+  char		temp[22],	/* Temporary buffer */
+		date[32];	/* Date buffer */
+  static const char *jattrs[] =	/* Attributes we need for jobs... */
+		{
+		  "job-id",
+		  "job-k-octets",
+		  "job-name",
+		  "time-at-creation",
+		  "job-printer-uri",
+		  "job-originating-user-name"
+		};
+
+
+  DEBUG_printf(("show_jobs(%p, %p, %p)\n", http, dests, users));
+
+  if (http == NULL)
+    return;
+
+  if (dests != NULL && strcmp(dests, "all") == 0)
+    dests = NULL;
+
+ /*
+  * Build a IPP_GET_JOBS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    job-uri
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = IPP_GET_JOBS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
+		NULL, jattrs);
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
+               NULL, "ipp://localhost/jobs/");
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+   /*
+    * Loop through the job list and display them...
+    */
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpstat: get-jobs failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+    rank = -1;
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      jobid    = 0;
+      size     = 0;
+      username = NULL;
+      dest     = NULL;
+      jobtime  = 0;
+      title    = "no title";
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
+      {
+        if (strcmp(attr->name, "job-id") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobid = attr->values[0].integer;
+
+        if (strcmp(attr->name, "job-k-octets") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  size = attr->values[0].integer * 1024;
+
+        if (strcmp(attr->name, "time-at-creation") == 0 &&
+	    attr->value_tag == IPP_TAG_INTEGER)
+	  jobtime = attr->values[0].integer;
+
+        if (strcmp(attr->name, "job-printer-uri") == 0 &&
+	    attr->value_tag == IPP_TAG_URI)
+	  if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL)
+	    dest ++;
+
+        if (strcmp(attr->name, "job-originating-user-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  username = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "job-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  title = attr->values[0].string.text;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (dest == NULL || jobid == 0)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a job we're interested in...
+      */
+
+      match = (dests == NULL && users == NULL);
+      rank ++;
+
+      if (dests != NULL)
+      {
+        for (dptr = dests; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = dest;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+      if (users != NULL && username != NULL)
+      {
+        for (dptr = users; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = username;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+     /*
+      * Display the job...
+      */
+
+      if (match)
+      {
+        jobdate = localtime(&jobtime);
+        snprintf(temp, sizeof(temp), "%s-%d", dest, jobid);
+
+        if (long_status == 3)
+	{
+	 /*
+	  * Show the consolidated output format for the SGI tools...
+	  */
+
+	  strftime(date, sizeof(date), "%b %d %H:%M", jobdate);
+
+	  printf("%s;%s;%d;%s;%s\n", temp, username ? username : "unknown",
+	         size, title ? title : "unknown", date);
+	}
+	else
+	{
+	  strftime(date, sizeof(date), CUPS_STRFTIME_FORMAT, jobdate);
+
+          if (ranking)
+	    printf("%3d %-21s %-13s %8d %s\n", rank, temp,
+	           username ? username : "unknown", size, date);
+          else
+	    printf("%-23s %-13s %8d   %s\n", temp,
+	           username ? username : "unknown", size, date);
+          if (long_status)
+	    printf("\tqueued for %s\n", dest);
+	}
+      }
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpstat: get-jobs failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * 'show_printers()' - Show printers.
+ */
+
+static void
+show_printers(http_t      *http,	/* I - HTTP connection to server */
+              const char  *printers,	/* I - Destinations */
+              int         num_dests,	/* I - Number of user-defined dests */
+	      cups_dest_t *dests,	/* I - User-defined destinations */
+              int         long_status)	/* I - Show long status? */
+{
+  int		i;		/* Looping var */
+  ipp_t		*request,	/* IPP Request */
+		*response,	/* IPP Response */
+		*jobs;		/* IPP Get Jobs response */
+  ipp_attribute_t *attr;	/* Current attribute */
+  ipp_attribute_t *jobattr;	/* Job ID attribute */
+  cups_lang_t	*language;	/* Default language */
+  const char	*printer,	/* Printer name */
+		*message,	/* Printer state message */
+		*description;	/* Description of printer */
+  ipp_pstate_t	pstate;		/* Printer state */
+  cups_ptype_t	ptype;		/* Printer type */
+  int		jobid;		/* Job ID of current job */
+  const char	*dptr,		/* Pointer into destination list */
+		*ptr;		/* Pointer into printer name */
+  int		match;		/* Non-zero if this job matches */
+  char		printer_uri[HTTP_MAX_URI];
+				/* Printer URI */
+  const char	*root;		/* Server root directory... */
+  static const char *pattrs[] =	/* Attributes we need for printers... */
+		{
+		  "printer-name",
+		  "printer-state",
+		  "printer-state-message",
+		  "printer-type",
+		  "printer-info"
+		};
+  static const char *jattrs[] =	/* Attributes we need for jobs... */
+		{
+		  "job-id"
+		};
+
+
+  DEBUG_printf(("show_printers(%p, %p)\n", http, dests));
+
+  if (http == NULL)
+    return;
+
+  if ((root = getenv("CUPS_SERVERROOT")) == NULL)
+    root = CUPS_SERVERROOT;
+
+  if (printers != NULL && strcmp(printers, "all") == 0)
+    printers = NULL;
+
+ /*
+  * Build a CUPS_GET_PRINTERS request, which requires the following
+  * attributes:
+  *
+  *    attributes-charset
+  *    attributes-natural-language
+  *    requested-attributes
+  */
+
+  request = ippNew();
+
+  request->request.op.operation_id = CUPS_GET_PRINTERS;
+  request->request.op.request_id   = 1;
+
+  language = cupsLangDefault();
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+               "attributes-charset", NULL, cupsLangEncoding(language));
+
+  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+               "attributes-natural-language", NULL, language->language);
+
+  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
+		NULL, pattrs);
+
+ /*
+  * Do the request and get back a response...
+  */
+
+  if ((response = cupsDoRequest(http, request, "/")) != NULL)
+  {
+    DEBUG_puts("show_printers: request succeeded...");
+
+    if (response->request.status.status_code > IPP_OK_CONFLICT)
+    {
+      fprintf(stderr, "lpstat: get-printers failed: %s\n",
+              ippErrorString(response->request.status.status_code));
+      ippDelete(response);
+      return;
+    }
+
+   /*
+    * Loop through the printers returned in the list and display
+    * their status...
+    */
+
+    for (attr = response->attrs; attr != NULL; attr = attr->next)
+    {
+     /*
+      * Skip leading attributes until we hit a job...
+      */
+
+      while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+        attr = attr->next;
+
+      if (attr == NULL)
+        break;
+
+     /*
+      * Pull the needed attributes from this job...
+      */
+
+      printer     = NULL;
+      ptype       = CUPS_PRINTER_LOCAL;
+      pstate      = IPP_PRINTER_IDLE;
+      message     = NULL;
+      description = NULL;
+      jobid       = 0;
+
+      while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+      {
+        if (strcmp(attr->name, "printer-name") == 0 &&
+	    attr->value_tag == IPP_TAG_NAME)
+	  printer = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-state") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  pstate = (ipp_pstate_t)attr->values[0].integer;
+
+        if (strcmp(attr->name, "printer-type") == 0 &&
+	    attr->value_tag == IPP_TAG_ENUM)
+	  ptype = (cups_ptype_t)attr->values[0].integer;
+
+        if (strcmp(attr->name, "printer-state-message") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  message = attr->values[0].string.text;
+
+        if (strcmp(attr->name, "printer-info") == 0 &&
+	    attr->value_tag == IPP_TAG_TEXT)
+	  description = attr->values[0].string.text;
+
+        attr = attr->next;
+      }
+
+     /*
+      * See if we have everything needed...
+      */
+
+      if (printer == NULL)
+      {
+        if (attr == NULL)
+	  break;
+	else
+          continue;
+      }
+
+     /*
+      * See if this is a printer we're interested in...
+      */
+
+      match = printers == NULL;
+
+      if (printers != NULL)
+      {
+        for (dptr = printers; *dptr != '\0';)
+	{
+	 /*
+	  * Skip leading whitespace and commas...
+	  */
+
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+
+         /*
+	  * Compare names...
+	  */
+
+	  for (ptr = printer;
+	       *ptr != '\0' && *dptr != '\0' && *ptr == *dptr;
+	       ptr ++, dptr ++);
+
+          if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || isspace(*dptr)))
+	  {
+	    match = 1;
+	    break;
+	  }
+
+         /*
+	  * Skip trailing junk...
+	  */
+
+          while (!isspace(*dptr) && *dptr != '\0')
+	    dptr ++;
+	  while (isspace(*dptr) || *dptr == ',')
+	    dptr ++;
+
+	  if (*dptr == '\0')
+	    break;
+        }
+      }
+
+     /*
+      * Display the printer entry if needed...
+      */
+
+      if (match)
+      {
+       /*
+        * If the printer state is "IPP_PRINTER_PROCESSING", then grab the
+	* current job for the printer.
+	*/
+
+        if (pstate == IPP_PRINTER_PROCESSING)
+	{
+	 /*
+	  * Build an IPP_GET_JOBS request, which requires the following
+	  * attributes:
+	  *
+	  *    attributes-charset
+	  *    attributes-natural-language
+	  *    printer-uri
+	  *    limit
+          *    requested-attributes
+	  */
+
+	  request = ippNew();
+
+	  request->request.op.operation_id = IPP_GET_JOBS;
+	  request->request.op.request_id   = 1;
+
+	  language = cupsLangDefault();
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+            	       "attributes-charset", NULL,
+		       cupsLangEncoding(language));
+
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+                       "attributes-natural-language", NULL,
+		       language->language);
+
+	  ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
+                	"requested-attributes",
+		        sizeof(jattrs) / sizeof(jattrs[0]), NULL, jattrs);
+
+          snprintf(printer_uri, sizeof(printer_uri), "ipp://%s/printers/%s",
+	           http->hostname, printer);
+	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+	               "printer-uri", NULL, printer_uri);
+
+	  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER,
+	        	"limit", 1);
+
+          if ((jobs = cupsDoRequest(http, request, "/")) != NULL)
+	  {
+	    if ((jobattr = ippFindAttribute(jobs, "job-id", IPP_TAG_INTEGER)) != NULL)
+              jobid = jobattr->values[0].integer;
+
+            ippDelete(jobs);
+	  }
+        }
+
+       /*
+        * Display it...
+	*/
+
+        switch (pstate)
+	{
+	  case IPP_PRINTER_IDLE :
+	      printf("printer %s is idle.  enabled since Jan 01 00:00\n", printer);
+	      break;
+	  case IPP_PRINTER_PROCESSING :
+	      printf("printer %s now printing %s-%d.  enabled since Jan 01 00:00\n", printer, printer, jobid);
+	      break;
+	  case IPP_PRINTER_STOPPED :
+	      printf("printer %s disabled since Jan 01 00:00 -\n\t%s\n", printer,
+	             message == NULL ? "reason unknown" : message);
+	      break;
+	}
+
+        if (long_status > 1)
+	{
+	  puts("\tForm mounted:");
+	  puts("\tContent types: any");
+	  puts("\tPrinter types: unknown");
+	}
+        if (long_status)
+	  printf("\tDescription: %s\n", description ? description : "");
+        if (long_status > 1)
+	{
+	  printf("\tConnection: %s\n",
+	         (ptype & CUPS_PRINTER_REMOTE) ? "remote" : "direct");
+	  if (!(ptype & CUPS_PRINTER_REMOTE))
+	    printf("\tInterface: %s/ppd/%s.ppd\n", root, printer);
+	  puts("\tOn fault: no alert");
+	  puts("\tAfter fault: continue");
+	  puts("\tUsers allowed:");
+	  puts("\t\t(all)");
+	  puts("\tForms allowed:");
+	  puts("\t\t(none)");
+	  puts("\tBanner required");
+	  puts("\tCharset sets:");
+	  puts("\t\t(none)");
+	  puts("\tDefault pitch:");
+	  puts("\tDefault page size:");
+	  puts("\tDefault port settings:");
+	}
+
+        for (i = 0; i < num_dests; i ++)
+	  if (strcasecmp(printer, dests[i].name) == 0 && dests[i].instance)
+	  {
+            switch (pstate)
+	    {
+	      case IPP_PRINTER_IDLE :
+		  printf("printer %s/%s is idle.  enabled since Jan 01 00:00\n", printer, dests[i].instance);
+		  break;
+	      case IPP_PRINTER_PROCESSING :
+		  printf("printer %s/%s now printing %s-%d.  enabled since Jan 01 00:00\n", printer,
+		         dests[i].instance, printer, jobid);
+		  break;
+	      case IPP_PRINTER_STOPPED :
+		  printf("printer %s/%s disabled since Jan 01 00:00 -\n\t%s\n", printer,
+		         dests[i].instance,
+			 message == NULL ? "reason unknown" : message);
+		  break;
+	    }
+
+            if (long_status > 1)
+	    {
+	      puts("\tForm mounted:");
+	      puts("\tContent types: any");
+	      puts("\tPrinter types: unknown");
+	    }
+            if (long_status)
+	      printf("\tDescription: %s\n", description ? description : "");
+            if (long_status > 1)
+	    {
+	      printf("\tConnection: %s\n",
+	             (ptype & CUPS_PRINTER_REMOTE) ? "remote" : "direct");
+	      if (!(ptype & CUPS_PRINTER_REMOTE))
+		printf("\tInterface: %s/ppd/%s.ppd\n", root, printer);
+	      puts("\tOn fault: no alert");
+	      puts("\tAfter fault: continue");
+	      puts("\tUsers allowed:");
+	      puts("\t\t(all)");
+	      puts("\tForms allowed:");
+	      puts("\t\t(none)");
+	      puts("\tBanner required");
+	      puts("\tCharset sets:");
+	      puts("\t\t(none)");
+	      puts("\tDefault pitch:");
+	      puts("\tDefault page size:");
+	      puts("\tDefault port settings:");
+	    }
+	  }
+      }
+
+      if (attr == NULL)
+        break;
+    }
+
+    ippDelete(response);
+  }
+  else
+    fprintf(stderr, "lpstat: get-printers failed: %s\n",
+            ippErrorString(cupsLastError()));
+}
+
+
+/*
+ * 'show_scheduler()' - Show scheduler status.
+ */
+
+static void
+show_scheduler(http_t *http)	/* I - HTTP connection to server */
+{
+  printf("scheduler is %srunning\n", http == NULL ? "not " : "");
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/templates/Makefile b/templates/Makefile
new file mode 100644
index 000000000..31a9965c9
--- /dev/null
+++ b/templates/Makefile
@@ -0,0 +1,103 @@
+#
+# "$Id$"
+#
+#   Template makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1993-2002 by Easy Software Products.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+#
+# Template files...
+#
+
+FILES	=	add-class.tmpl \
+		add-printer.tmpl \
+		admin-op.tmpl \
+		admin.tmpl \
+		choose-device.tmpl \
+		choose-make.tmpl \
+		choose-members.tmpl \
+		choose-model.tmpl \
+		choose-serial.tmpl \
+		choose-uri.tmpl \
+		class-added.tmpl \
+		class-confirm.tmpl \
+		class-deleted.tmpl \
+		class-modified.tmpl \
+		classes.tmpl \
+		config-printer.tmpl \
+		config-printer2.tmpl \
+		error.tmpl \
+		header.tmpl \
+		jobs.tmpl \
+		job-cancel.tmpl \
+		job-hold.tmpl \
+		job-release.tmpl \
+		job-restart.tmpl \
+		modify-class.tmpl \
+		modify-printer.tmpl \
+		option-boolean.tmpl \
+		option-header.tmpl \
+		option-pickmany.tmpl \
+		option-pickone.tmpl \
+		option-trailer.tmpl \
+		printers.tmpl \
+		printer-accept.tmpl \
+		printer-added.tmpl \
+		printer-configured.tmpl \
+		printer-confirm.tmpl \
+		printer-deleted.tmpl \
+		printer-modified.tmpl \
+		printer-reject.tmpl \
+		printer-start.tmpl \
+		printer-stop.tmpl \
+		test-page.tmpl \
+		trailer.tmpl
+
+
+#
+# Make everything...
+#
+
+all:
+
+
+#
+# Clean all config and object files...
+#
+
+clean:
+
+
+#
+# Install files...
+#
+
+install:
+	$(INSTALL_DIR) $(DATADIR)/templates
+	for file in $(FILES); do \
+		$(INSTALL_DATA) $$file $(DATADIR)/templates; \
+	done
+
+
+#
+# End of "$Id$".
+#
diff --git a/templates/add-class.tmpl b/templates/add-class.tmpl
new file mode 100644
index 000000000..019a3f9fc
--- /dev/null
+++ b/templates/add-class.tmpl
@@ -0,0 +1,33 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Add New Class</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Name:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_NAME" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Location:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_LOCATION" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Description:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_INFO" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/add-printer.tmpl b/templates/add-printer.tmpl
new file mode 100644
index 000000000..bf4a33d83
--- /dev/null
+++ b/templates/add-printer.tmpl
@@ -0,0 +1,33 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Add New Printer</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Name:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_NAME" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Location:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_LOCATION" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Description:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_INFO" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/admin-op.tmpl b/templates/admin-op.tmpl
new file mode 100644
index 000000000..16699f815
--- /dev/null
+++ b/templates/admin-op.tmpl
@@ -0,0 +1 @@
+<P>Unsupported administration operation "{op}".
diff --git a/templates/admin.tmpl b/templates/admin.tmpl
new file mode 100644
index 000000000..65a711fd7
--- /dev/null
+++ b/templates/admin.tmpl
@@ -0,0 +1,57 @@
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR>
+	<TH BGCOLOR="#999966"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH BGCOLOR="#999966">Classes</TH>
+	<TH WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD><A HREF="/admin/?op=add-class">
+	<IMG SRC="/images/add-class.gif" ALT="Add a New Class" BORDER="0"></A>
+	<A HREF="/classes/">
+	<IMG SRC="/images/manage-classes.gif" ALT="Manage Available Classes" BORDER="0"></A>
+	</TD>
+</TR>
+<TR>
+	<TD>&nbsp;</TD>
+</TR>
+<TR>
+	<TH BGCOLOR="#999966"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH BGCOLOR="#999966">Jobs</TH>
+	<TH WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD><A HREF="/jobs/">
+	<IMG SRC="/images/manage-jobs.gif" ALT="Manage Jobs" BORDER="0"></A>
+	</TD>
+</TR>
+<TR>
+	<TD>&nbsp;</TD>
+</TR>
+<TR>
+	<TH BGCOLOR="#999966"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH BGCOLOR="#999966">Printers</TH>
+	<TH WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD><A HREF="/admin/?op=add-printer">
+	<IMG SRC="/images/add-printer.gif" ALT="Add a New Printer" BORDER="0"></A>
+	<A HREF="/printers/">
+	<IMG SRC="/images/manage-printers.gif" ALT="Manage Available Printers" BORDER="0"></A>
+	</TD>
+</TR>
+<TR>
+	<TD>&nbsp;</TD>
+</TR>
+</TABLE>
diff --git a/templates/choose-device.tmpl b/templates/choose-device.tmpl
new file mode 100644
index 000000000..f64810910
--- /dev/null
+++ b/templates/choose-device.tmpl
@@ -0,0 +1,32 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_LOCATION" VALUE="{?printer_location}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_INFO" VALUE="{?printer_info}">
+<INPUT TYPE="HIDDEN" NAME="CURRENT_MAKE_AND_MODEL" VALUE="{?current_make_and_model}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Device for {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Device:&nbsp;</TD>
+	<TD>
+	<SELECT NAME="DEVICE_URI">
+	{[device_uri]<OPTION VALUE="{device_uri}" {?current_device_uri={device_uri}?SELECTED:}>
+	{device_info} {?device_make_and_model!Unknown?({device_make_and_model}):}
+	}</SELECT>
+	</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/choose-make.tmpl b/templates/choose-make.tmpl
new file mode 100644
index 000000000..8392047c9
--- /dev/null
+++ b/templates/choose-make.tmpl
@@ -0,0 +1,35 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_LOCATION" VALUE="{?printer_location}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_INFO" VALUE="{?printer_info}">
+<INPUT TYPE="HIDDEN" NAME="DEVICE_URI" VALUE="{device_uri}">
+<INPUT TYPE="HIDDEN" NAME="BAUDRATE" VALUE="{?baudrate}">
+<INPUT TYPE="HIDDEN" NAME="BITS" VALUE="{?bits}">
+<INPUT TYPE="HIDDEN" NAME="PARITY" VALUE="{?parity}">
+<INPUT TYPE="HIDDEN" NAME="FLOW" VALUE="{?flow}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Model/Driver for {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Make:&nbsp;</TD>
+	<TD>
+	<SELECT NAME="PPD_MAKE" SIZE="10">
+	{[ppd_make]<OPTION VALUE="{ppd_make}" {?current_make={ppd_make}?SELECTED:}>{ppd_make}}
+	</SELECT>
+	</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/choose-members.tmpl b/templates/choose-members.tmpl
new file mode 100644
index 000000000..b83f13e74
--- /dev/null
+++ b/templates/choose-members.tmpl
@@ -0,0 +1,30 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_LOCATION" VALUE="{?printer_location}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_INFO" VALUE="{?printer_info}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Members for {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Members:&nbsp;</TD>
+	<TD>
+	<SELECT NAME="MEMBER_URIS" SIZE="10" MULTIPLE>
+	{[member_uris]<OPTION VALUE="{member_uris}" {?member_selected}>{member_names}}
+	</SELECT>
+	</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/choose-model.tmpl b/templates/choose-model.tmpl
new file mode 100644
index 000000000..60efb5634
--- /dev/null
+++ b/templates/choose-model.tmpl
@@ -0,0 +1,35 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_LOCATION" VALUE="{?printer_location}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_INFO" VALUE="{?printer_info}">
+<INPUT TYPE="HIDDEN" NAME="DEVICE_URI" VALUE="{device_uri}">
+<INPUT TYPE="HIDDEN" NAME="BAUDRATE" VALUE="{?baudrate}">
+<INPUT TYPE="HIDDEN" NAME="BITS" VALUE="{?bits}">
+<INPUT TYPE="HIDDEN" NAME="PARITY" VALUE="{?parity}">
+<INPUT TYPE="HIDDEN" NAME="FLOW" VALUE="{?flow}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Model/Driver for {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Model:&nbsp;</TD>
+	<TD>
+	<SELECT NAME="PPD_NAME" SIZE="10">
+	{[ppd_name]<OPTION VALUE="{ppd_name}" {?current_make_and_model={ppd_make_and_model}?SELECTED:}>{ppd_make_and_model} ({ppd_natural_language})
+	}</SELECT>
+	</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/choose-serial.tmpl b/templates/choose-serial.tmpl
new file mode 100644
index 000000000..a0ea5db2d
--- /dev/null
+++ b/templates/choose-serial.tmpl
@@ -0,0 +1,56 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_LOCATION" VALUE="{?printer_location}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_INFO" VALUE="{?printer_info}">
+<INPUT TYPE="HIDDEN" NAME="DEVICE_URI" VALUE="{device_uri}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Serial Port Settings for {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Baud Rate:&nbsp;</TD>
+	<TD><SELECT NAME="BAUDRATE">
+	{[baudrates]<OPTION {?baudrate={baudrates}?SELECTED:}>{baudrates}}
+	</SELECT></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Parity:&nbsp;</TD>
+	<TD><SELECT NAME="PARITY">
+	<OPTION VALUE="none" {?parity=none?SELECTED:}>None
+	<OPTION VALUE="even" {?parity=even?SELECTED:}>Even
+	<OPTION VALUE="odd" {?parity=odd?SELECTED:}>Odd
+	</SELECT></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Data Bits:&nbsp;</TD>
+	<TD><SELECT NAME="BITS">
+	<OPTION {?bits=8?SELECTED:}>8
+	<OPTION {?bits=7?SELECTED:}>7
+	</SELECT></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Flow Control:&nbsp;</TD>
+	<TD><SELECT NAME="FLOW">
+	<OPTION VALUE="none" {?flow=none?SELECTED:}>None
+	<OPTION VALUE="soft" {?flow=soft?SELECTED:}>XON/XOFF (Software)
+	<OPTION VALUE="hard" {?flow=hard?SELECTED:}>RTS/CTS (Hardware)
+	<OPTION VALUE="dtrdsr" {?flow=dtrdsr?SELECTED:}>DTR/DSR (Hardware)
+	</SELECT></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/choose-uri.tmpl b/templates/choose-uri.tmpl
new file mode 100644
index 000000000..63bee8529
--- /dev/null
+++ b/templates/choose-uri.tmpl
@@ -0,0 +1,41 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_LOCATION" VALUE="{?printer_location}">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_INFO" VALUE="{?printer_info}">
+<INPUT TYPE="HIDDEN" NAME="CURRENT_MAKE_AND_MODEL" VALUE="{?current_make_and_model}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Device URI for {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Device URI:&nbsp;</TD>
+	<TD><INPUT TYPE="TEXT" SIZE="40" MAXLENGTH="1024" NAME="DEVICE_URI" VALUE="{device_uri}"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD>Examples:
+	<PRE>
+    file:/path/to/filename.prn
+    http://hostname:631/ipp/port1
+    ipp://hostname/ipp/port1
+    lpd://hostname/queue
+    socket://hostname
+    socket://hostname:9100
+	</PRE>
+	</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/class-added.tmpl b/templates/class-added.tmpl
new file mode 100644
index 000000000..f740581ad
--- /dev/null
+++ b/templates/class-added.tmpl
@@ -0,0 +1,2 @@
+<P>Class <A HREF="/classes/{printer_name}">{printer_name}</A> has been added
+successfully.
diff --git a/templates/class-confirm.tmpl b/templates/class-confirm.tmpl
new file mode 100644
index 000000000..0fbbd6d53
--- /dev/null
+++ b/templates/class-confirm.tmpl
@@ -0,0 +1,6 @@
+<P><B>Warning:</B> About to delete class {printer_name}! Do you wish to
+continue?
+
+<P ALIGN="CENTER">
+<A HREF="/admin/?op=delete-class&printer_name={printer_name}&confirm=yes">
+<IMG SRC="/images/continue.gif" ALT="Continue" BORDER="0"></A>
diff --git a/templates/class-deleted.tmpl b/templates/class-deleted.tmpl
new file mode 100644
index 000000000..269ddd87a
--- /dev/null
+++ b/templates/class-deleted.tmpl
@@ -0,0 +1 @@
+<P>Class {printer_name} has been deleted successfully.
diff --git a/templates/class-modified.tmpl b/templates/class-modified.tmpl
new file mode 100644
index 000000000..861790732
--- /dev/null
+++ b/templates/class-modified.tmpl
@@ -0,0 +1,2 @@
+<P>Class <A HREF="/classes/{printer_name}">{printer_name}</A> has been
+modified successfully.
diff --git a/templates/classes.tmpl b/templates/classes.tmpl
new file mode 100644
index 000000000..f7cc8d3a7
--- /dev/null
+++ b/templates/classes.tmpl
@@ -0,0 +1,51 @@
+{#printer_name=0?No classes:
+<P><B>Default Destination:</B> <A HREF="{default_uri}">{default_name}</A>
+<P><TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+{[printer_name]
+<TR>
+	<TH BGCOLOR="#999966"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH BGCOLOR="#999966"><A HREF="{printer_uri_supported}">{printer_name}</A></TH>
+	<TH BGCOLOR="#999966">Printer Class</TH>
+	<TH><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD VALIGN=TOP><A HREF="{printer_uri_supported}">
+	<IMG SRC="../images/classes.gif" BORDER="0" ALT=""></A></TD>
+	<TD VALIGN=TOP>Description: {printer_info}<BR>
+	Location: {printer_location}<BR>
+	Class State: {printer_state=3?idle:{printer_state=4?processing:stopped}},
+	{printer_is_accepting_jobs=0?rejecting jobs:accepting jobs}.
+	{?printer_state_message=?:<BR><I>"{printer_state_message}"</I>}
+	{?member_names=?:<BR>Members: {member_names}}
+	<P>
+	<A HREF="{printer_uri_supported}?op=print-test-page">
+	<IMG SRC="/images/print-test-page.gif" ALT="Print Test Page" BORDER="0"></A>
+	{printer_state=5?
+	<A HREF="/admin/?op=start-printer&printer_name={printer_name}">
+	<IMG SRC="/images/start-class.gif" ALT="Start Class" BORDER="0"></A>
+	:
+	<A HREF="/admin/?op=stop-printer&printer_name={printer_name}">
+	<IMG SRC="/images/stop-class.gif" ALT="Stop Class" BORDER="0"></A>
+	}
+	{printer_is_accepting_jobs=0?
+	<A HREF="/admin/?op=accept-jobs&printer_name={printer_name}">
+	<IMG SRC="/images/accept-jobs.gif" ALT="Accept Jobs" BORDER="0"></A>
+	:
+	<A HREF="/admin/?op=reject-jobs&printer_name={printer_name}">
+	<IMG SRC="/images/reject-jobs.gif" ALT="Reject Jobs" BORDER="0"></A>
+	}
+	<A HREF="/admin/?op=modify-class&printer_name={printer_name}">
+	<IMG SRC="/images/modify-class.gif" ALT="Modify Class" BORDER="0"></A>
+	<A HREF="/admin/?op=delete-class&printer_name={printer_name}">
+	<IMG SRC="/images/delete-class.gif" ALT="Delete Class" BORDER="0"></A>
+	</TD>
+</TR>
+}
+</TABLE>
+}
+<P><A HREF="/admin/?op=add-class">
+<IMG SRC="/images/add-class.gif" ALT="Add Class" BORDER="0"></A>
diff --git a/templates/config-printer.tmpl b/templates/config-printer.tmpl
new file mode 100644
index 000000000..f24b08f12
--- /dev/null
+++ b/templates/config-printer.tmpl
@@ -0,0 +1,6 @@
+<P>Choose default options for {printer_name}.
+
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
diff --git a/templates/config-printer2.tmpl b/templates/config-printer2.tmpl
new file mode 100644
index 000000000..bfb42d69f
--- /dev/null
+++ b/templates/config-printer2.tmpl
@@ -0,0 +1,2 @@
+</TABLE>
+</FORM>
diff --git a/templates/error.tmpl b/templates/error.tmpl
new file mode 100644
index 000000000..eb15a06ff
--- /dev/null
+++ b/templates/error.tmpl
@@ -0,0 +1,3 @@
+<P>Error:
+
+<BLOCKQUOTE>{error}</BLOCKQUOTE>
diff --git a/templates/header.tmpl b/templates/header.tmpl
new file mode 100644
index 000000000..b22bc73f0
--- /dev/null
+++ b/templates/header.tmpl
@@ -0,0 +1,23 @@
+<HTML>
+<HEAD>
+	<TITLE>{title} on {server_name} - {cups_version}</TITLE>
+	<!-- Prevent caching of CGI content -->
+	<META HTTP-EQUIV="Expires" CONTENT="now">
+	<META HTTP-EQUIV="Pragma" CONTENT="no-cache"> 
+	<LINK REL="STYLESHEET" TYPE="text/css" HREF="/cups.css">
+	<MAP NAME="navbar">
+		<AREA SHAPE="RECT" COORDS="12,0,50,30" HREF="http://www.easysw.com" ALT="Easy Software Products Home Page">
+		<AREA SHAPE="RECT" COORDS="82,0,196,30" HREF="/admin" ALT="Do Administration Tasks">
+		<AREA SHAPE="RECT" COORDS="216,0,280,30" HREF="/classes" ALT="Manage Printer Classes Status">
+		<AREA SHAPE="RECT" COORDS="300,0,336,30" HREF="/documentation.html" ALT="On-Line Help">
+		<AREA SHAPE="RECT" COORDS="356,0,394,30" HREF="/jobs" ALT="Manage Jobs">
+		<AREA SHAPE="RECT" COORDS="414,0,476,30" HREF="/printers" ALT="Manage Printers">
+		<AREA SHAPE="RECT" COORDS="496,0,568,30" HREF="http://www.cups.org" ALT="Download the Current CUPS Software">
+	</MAP>
+</HEAD>
+<BODY BGCOLOR="#cccc99" TEXT="#000000" LINK="#0000FF" VLINK="#FF00FF">
+<CENTER>
+<IMG SRC="/images/navbar.gif" WIDTH="583" HEIGHT="30" USEMAP="#navbar" BORDER="0" ALT="Common UNIX Printing System">
+</CENTER>
+
+<H1>{title}</H1>
diff --git a/templates/job-cancel.tmpl b/templates/job-cancel.tmpl
new file mode 100644
index 000000000..52ba31137
--- /dev/null
+++ b/templates/job-cancel.tmpl
@@ -0,0 +1 @@
+<P>Job {job_id} has been cancelled.
diff --git a/templates/job-hold.tmpl b/templates/job-hold.tmpl
new file mode 100644
index 000000000..10fa6b369
--- /dev/null
+++ b/templates/job-hold.tmpl
@@ -0,0 +1 @@
+<P>Job {job_id} has been held from printing.
diff --git a/templates/job-release.tmpl b/templates/job-release.tmpl
new file mode 100644
index 000000000..8dd395b28
--- /dev/null
+++ b/templates/job-release.tmpl
@@ -0,0 +1 @@
+<P>Job {job_id} has been released for printing.
diff --git a/templates/job-restart.tmpl b/templates/job-restart.tmpl
new file mode 100644
index 000000000..f9d158222
--- /dev/null
+++ b/templates/job-restart.tmpl
@@ -0,0 +1 @@
+<P>Job {job_id} has been restarted.
diff --git a/templates/jobs.tmpl b/templates/jobs.tmpl
new file mode 100644
index 000000000..d168cc1ae
--- /dev/null
+++ b/templates/jobs.tmpl
@@ -0,0 +1,54 @@
+<P>{#job_id=0?No {?which_jobs=completed?Completed:Active} Jobs:
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH>ID&nbsp;</TH>
+	<TH>Name&nbsp;</TH>
+	<TH>User&nbsp;</TH>
+	<TH>Size&nbsp;</TH>
+	<TH>State&nbsp;</TH>
+	<TH>Control&nbsp;</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+{[job_id]
+<TR VALIGN="TOP">
+	<TD HEIGHT="28"></TD>
+	<TD><A HREF="{job_printer_uri}">{job_printer_name}</A>-{job_id}&nbsp;</TD>
+	<TD>{?job_name=?Unknown:{job_name}}&nbsp;</TD>
+	<TD>{job_originating_user_name}&nbsp;</TD>
+	<TD>{job_k_octets}k&nbsp;</TD>
+	<TD>{job_state=3?pending since<BR>{time_at_creation}:{job_state=4?held since<BR>{time_at_creation}:
+	{job_state=5?processing since<BR>{time_at_processing}:{job_state=6?stopped at<BR>{time_at_completed}:
+	{job_state=7?cancelled at<BR>{time_at_completed}:{job_state=8?aborted:completed at<BR>{time_at_completed}}}}}}}&nbsp;</TD>
+	<TD>
+	{job_state>5?
+	{job_k_octets>0?
+	<A HREF="/admin/?op=restart-job&job_id={job_id}">
+	<IMG SRC="/images/restart-job.gif" ALT="Restart Job" BORDER="0"></A>
+	:}:}
+	{job_state>6?:
+	{job_state=4?
+	<A HREF="/admin/?op=release-job&job_id={job_id}">
+	<IMG SRC="/images/release-job.gif" ALT="Release Job" BORDER="0"></A>
+	:
+	<A HREF="/admin/?op=hold-job&job_id={job_id}">
+	<IMG SRC="/images/hold-job.gif" ALT="Hold Job" BORDER="0"></A>
+	}
+	<A HREF="/admin/?op=cancel-job&job_id={job_id}">
+	<IMG SRC="/images/cancel-job.gif" ALT="Cancel Job" BORDER="0"></A>
+	}
+	&nbsp;</TD>
+</TR>
+}
+</TABLE>
+}
+<P>{?which_jobs=?
+<A HREF="{?printer_name=?/jobs:/printers/{printer_name}}?which_jobs=completed">
+<IMG SRC="/images/show-completed.gif" BORDER="0" ALT="Show Completed Jobs"></A>
+:
+<A HREF="{?printer_name=?/jobs:/printers/{printer_name}}">
+<IMG SRC="/images/show-active.gif" BORDER="0" ALT="Show Active Jobs"></A>
+}
diff --git a/templates/modify-class.tmpl b/templates/modify-class.tmpl
new file mode 100644
index 000000000..17aeedbba
--- /dev/null
+++ b/templates/modify-class.tmpl
@@ -0,0 +1,34 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Modify Class {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Name:</TD>
+	<TD><INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+	{printer_name}</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Location:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_LOCATION" VALUE="{?printer_location}" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Description:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_INFO" VALUE="{?printer_info}" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/modify-printer.tmpl b/templates/modify-printer.tmpl
new file mode 100644
index 000000000..68e36cd8e
--- /dev/null
+++ b/templates/modify-printer.tmpl
@@ -0,0 +1,36 @@
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+{?device_uri=?:<INPUT TYPE="HIDDEN" NAME="CURRENT_DEVICE_URI" VALUE="{device_uri}">}
+{?printer_make_and_model=?:<INPUT TYPE="HIDDEN" NAME="CURRENT_MAKE_AND_MODEL" VALUE="{printer_make_and_model}">}
+<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+<TR BGCOLOR="#999966">
+	<TH WIDTH="16"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH COLSPAN="2">Modify Printer {printer_name}</TH>
+	<TH BGCOLOR="#cccc99" WIDTH="16"><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Name:</TD>
+	<TD><INPUT TYPE="HIDDEN" NAME="PRINTER_NAME" VALUE="{printer_name}">
+	{printer_name}</TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Location:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_LOCATION" VALUE="{?printer_location}" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">Description:</TD>
+	<TD><INPUT TYPE="TEXT" NAME="PRINTER_INFO" VALUE="{?printer_info}" SIZE="40" MAXLENGTH="127"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+</TABLE>
+</FORM>
diff --git a/templates/option-boolean.tmpl b/templates/option-boolean.tmpl
new file mode 100644
index 000000000..a8360fc82
--- /dev/null
+++ b/templates/option-boolean.tmpl
@@ -0,0 +1,7 @@
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">{keytext}:</TD>
+	<TD>
+	{[choices]<INPUT TYPE="RADIO" NAME="{keyword}" {choices={defchoice}?CHECKED:} VALUE="{choices}">{text}}
+	</TD>
+</TR>
diff --git a/templates/option-header.tmpl b/templates/option-header.tmpl
new file mode 100644
index 000000000..23a904178
--- /dev/null
+++ b/templates/option-header.tmpl
@@ -0,0 +1,8 @@
+<TR>
+	<TH BGCOLOR="#999966"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH BGCOLOR="#999966" COLSPAN="2">{group}</TH>
+	<TH><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
diff --git a/templates/option-pickmany.tmpl b/templates/option-pickmany.tmpl
new file mode 100644
index 000000000..8340889b4
--- /dev/null
+++ b/templates/option-pickmany.tmpl
@@ -0,0 +1,7 @@
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT" VALIGN="TOP">{keytext}:</TD>
+	<TD><SELECT NAME="{keyword}" MULTIPLE SIZE="10">
+	{[choices]<OPTION {choices={defchoice}?SELECTED:} VALUE="{choices}">{text}}
+	</SELECT></TD>
+</TR>
diff --git a/templates/option-pickone.tmpl b/templates/option-pickone.tmpl
new file mode 100644
index 000000000..6880b968b
--- /dev/null
+++ b/templates/option-pickone.tmpl
@@ -0,0 +1,7 @@
+<TR>
+	<TD></TD>
+	<TD ALIGN="RIGHT">{keytext}:</TD>
+	<TD><SELECT NAME="{keyword}">
+	{[choices]<OPTION {choices={defchoice}?SELECTED:} VALUE="{choices}">{text}}
+	</SELECT></TD>
+</TR>
diff --git a/templates/option-trailer.tmpl b/templates/option-trailer.tmpl
new file mode 100644
index 000000000..803022837
--- /dev/null
+++ b/templates/option-trailer.tmpl
@@ -0,0 +1,8 @@
+<TR>
+	<TD></TD>
+	<TD></TD>
+	<TD><INPUT TYPE="IMAGE" SRC="/images/continue.gif" ALT="Continue" BORDER="0"></TD>
+</TR>
+<TR>
+        <TD HEIGHT="4"></TD>
+</TR>
diff --git a/templates/printer-accept.tmpl b/templates/printer-accept.tmpl
new file mode 100644
index 000000000..3a269eb0d
--- /dev/null
+++ b/templates/printer-accept.tmpl
@@ -0,0 +1 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> is now accepting jobs.
diff --git a/templates/printer-added.tmpl b/templates/printer-added.tmpl
new file mode 100644
index 000000000..ba5f550c2
--- /dev/null
+++ b/templates/printer-added.tmpl
@@ -0,0 +1,2 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> has been added
+successfully.
diff --git a/templates/printer-configured.tmpl b/templates/printer-configured.tmpl
new file mode 100644
index 000000000..7ec86879a
--- /dev/null
+++ b/templates/printer-configured.tmpl
@@ -0,0 +1,2 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> has
+been configured successfully.
diff --git a/templates/printer-confirm.tmpl b/templates/printer-confirm.tmpl
new file mode 100644
index 000000000..690c6479b
--- /dev/null
+++ b/templates/printer-confirm.tmpl
@@ -0,0 +1,6 @@
+<P><B>Warning:</B> About to delete printer {printer_name}! Do you wish to
+continue?
+
+<P ALIGN="CENTER">
+<A HREF="/admin/?op=delete-printer&printer_name={printer_name}&confirm=yes">
+<IMG SRC="/images/continue.gif" ALT="Continue" BORDER="0"></A>
diff --git a/templates/printer-deleted.tmpl b/templates/printer-deleted.tmpl
new file mode 100644
index 000000000..f1336b037
--- /dev/null
+++ b/templates/printer-deleted.tmpl
@@ -0,0 +1 @@
+<P>Printer {printer_name} has been deleted successfully.
diff --git a/templates/printer-modified.tmpl b/templates/printer-modified.tmpl
new file mode 100644
index 000000000..a16abd169
--- /dev/null
+++ b/templates/printer-modified.tmpl
@@ -0,0 +1,2 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> has been
+modified successfully.
diff --git a/templates/printer-reject.tmpl b/templates/printer-reject.tmpl
new file mode 100644
index 000000000..e73d87380
--- /dev/null
+++ b/templates/printer-reject.tmpl
@@ -0,0 +1 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> is no longer accepting jobs.
diff --git a/templates/printer-start.tmpl b/templates/printer-start.tmpl
new file mode 100644
index 000000000..e8d9f497f
--- /dev/null
+++ b/templates/printer-start.tmpl
@@ -0,0 +1,2 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> has been
+started.
diff --git a/templates/printer-stop.tmpl b/templates/printer-stop.tmpl
new file mode 100644
index 000000000..e01b82677
--- /dev/null
+++ b/templates/printer-stop.tmpl
@@ -0,0 +1,2 @@
+<P>Printer <A HREF="/printers/{printer_name}">{printer_name}</A> has been
+stopped.
diff --git a/templates/printers.tmpl b/templates/printers.tmpl
new file mode 100644
index 000000000..1505c36ba
--- /dev/null
+++ b/templates/printers.tmpl
@@ -0,0 +1,57 @@
+{#printer_name=0?No printers:
+<P><B>Default Destination:</B> <A HREF="{default_uri}">{default_name}</A>
+<P><TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" WIDTH="100%">
+{[printer_name]
+<TR>
+	<TH BGCOLOR="#999966"><IMG SRC="/images/left.gif" ALT=""></TH>
+	<TH BGCOLOR="#999966"><A HREF="{printer_uri_supported}">{printer_name}</A></TH>
+	<TH BGCOLOR="#999966">{printer_make_and_model}</TH>
+	<TH><IMG SRC="/images/right.gif" ALT=""></TH>
+</TR>
+<TR>
+	<TD HEIGHT="4"></TD>
+</TR>
+<TR>
+	<TD></TD>
+	<TD VALIGN="TOP"><A HREF="{printer_uri_supported}">
+	<IMG SRC="../images/printer-{printer_state=3?idle:{printer_state=4?processing:stopped}}.gif" BORDER="0" ALT=""></A>
+	</TD>
+	<TD VALIGN="TOP">Description: {printer_info}<BR>
+	Location: {printer_location}<BR>
+	Printer State: {printer_state=3?idle:{printer_state=4?processing:stopped}},
+	{printer_is_accepting_jobs=0?rejecting jobs:accepting jobs}.
+	{?printer_state_message=?:<BR><I>"{printer_state_message}"</I>}
+	{?device_uri=?:<BR>Device URI: {device_uri}}
+	<P>
+	<A HREF="{printer_uri_supported}?op=print-test-page">
+	<IMG SRC="/images/print-test-page.gif" ALT="Print Test Page" BORDER="0"></A>
+	{printer_state=5?
+	<A HREF="/admin/?op=start-printer&printer_name={printer_name}">
+	<IMG SRC="/images/start-printer.gif" ALT="Start Printer" BORDER="0"></A>
+	:
+	<A HREF="/admin/?op=stop-printer&printer_name={printer_name}">
+	<IMG SRC="/images/stop-printer.gif" ALT="Stop Printer" BORDER="0"></A>
+	}
+	{printer_is_accepting_jobs=0?
+	<A HREF="/admin/?op=accept-jobs&printer_name={printer_name}">
+	<IMG SRC="/images/accept-jobs.gif" ALT="Accept Jobs" BORDER="0"></A>
+	:
+	<A HREF="/admin/?op=reject-jobs&printer_name={printer_name}">
+	<IMG SRC="/images/reject-jobs.gif" ALT="Reject Jobs" BORDER="0"></A>
+	}
+	<A HREF="/admin/?op=modify-printer&printer_name={printer_name}">
+	<IMG SRC="/images/modify-printer.gif" ALT="Modify Printer" BORDER="0"></A>
+	<A HREF="/admin/?op=config-printer&printer_name={printer_name}">
+	<IMG SRC="/images/config-printer.gif" ALT="Configure Printer" BORDER="0"></A>
+	<A HREF="/admin/?op=delete-printer&printer_name={printer_name}">
+	<IMG SRC="/images/delete-printer.gif" ALT="Delete Printer" BORDER="0"></A>
+	</TD>
+</TR>
+<TR>
+	<TD>&nbsp;</TD>
+</TR>
+}
+</TABLE>
+}
+<P><A HREF="/admin/?op=add-printer">
+<IMG SRC="/images/add-printer.gif" ALT="Add Printer" BORDER="0"></A>
diff --git a/templates/test-page.tmpl b/templates/test-page.tmpl
new file mode 100644
index 000000000..5c5005438
--- /dev/null
+++ b/templates/test-page.tmpl
@@ -0,0 +1,2 @@
+<P>Test page sent; job ID is <A HREF="/printers/{printer_name}">
+{printer_name}-{job_id}</A>.
diff --git a/templates/trailer.tmpl b/templates/trailer.tmpl
new file mode 100644
index 000000000..bed0ed13c
--- /dev/null
+++ b/templates/trailer.tmpl
@@ -0,0 +1,7 @@
+<HR>
+<P>Copyright 1993-2002 Easy Software Products, All Rights Reserved. 
+The Common UNIX Printing System, CUPS, and the CUPS logo
+are the trademark property of <A HREF="http://www.easysw.com">Easy Software Products</A>. 
+All other trademarks are the property of their respective owners.
+</BODY>
+</HTML>
diff --git a/test/.cvsignore b/test/.cvsignore
new file mode 100644
index 000000000..07b5722d6
--- /dev/null
+++ b/test/.cvsignore
@@ -0,0 +1 @@
+ipptest
diff --git a/test/4.1-requests.test b/test/4.1-requests.test
new file mode 100644
index 000000000..ca0c8d326
--- /dev/null
+++ b/test/4.1-requests.test
@@ -0,0 +1,140 @@
+#
+# "$Id: 4.1-requests.test 1595 2001-03-01 20:40:17Z mike $"
+#
+#   Verify that the server requires the following attributes:
+#
+#       attributes-charset
+#       attributes-natural-language
+#       printer-uri/job-uri
+#
+{
+	# The name of the test...
+	NAME "No Attributes"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# What statuses are OK?
+	STATUS client-error-bad-request
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Charset Attribute"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+
+	# What statuses are OK?
+	STATUS client-error-bad-request
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Language Attribute"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR language attributes-natural-language en
+
+	# What statuses are OK?
+	STATUS client-error-bad-request
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Language + Charset Attributes"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR language attributes-natural-language en
+	ATTR charset attributes-charset utf-8
+
+	# What statuses are OK?
+	STATUS client-error-bad-request
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Charset + Language Attributes"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+
+	# What statuses are OK?
+	STATUS client-error-bad-request
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Charset + Language + Printer URI Attributes"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Charset + Language + Job URI Attributes"
+
+	# The operation to use
+	OPERATION get-jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri job-uri $method://$hostname:$port/jobs
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+#
+# End of "$Id: 4.1-requests.test 1595 2001-03-01 20:40:17Z mike $"
+#
diff --git a/test/4.2-cups-printer-ops.test b/test/4.2-cups-printer-ops.test
new file mode 100644
index 000000000..8dfd724c5
--- /dev/null
+++ b/test/4.2-cups-printer-ops.test
@@ -0,0 +1,214 @@
+#
+# "$Id: 4.2-cups-printer-ops.test 1595 2001-03-01 20:40:17Z mike $"
+#
+#   Verify that the CUPS printer operations work.
+#
+{
+	# The name of the test...
+	NAME "Add Printer Test1"
+
+	# The operation to use
+	OPERATION cups-add-printer
+	RESOURCE /admin/
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	FILE testhp.ppd
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Verify Printer Test1 Added"
+
+	# The operation to use
+	OPERATION get-printer-attributes
+	RESOURCE /
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Delete Printer Test1"
+
+	# The operation to use
+	OPERATION cups-delete-printer
+	RESOURCE /admin/
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Verify Printer Test1 Deleted"
+
+	# The operation to use
+	OPERATION get-printer-attributes
+	RESOURCE /
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	# What statuses are OK?
+	STATUS client-error-not-found
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Add Printer Test2"
+
+	# The operation to use
+	OPERATION cups-add-printer
+	RESOURCE /admin/
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test2
+
+	FILE testps.ppd
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Verify Printer Test2 Added"
+
+	# The operation to use
+	OPERATION get-printer-attributes
+	RESOURCE /
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test2
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Modify Printer Test2"
+
+	# The operation to use
+	OPERATION cups-add-printer
+	RESOURCE /admin/
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test2
+
+	GROUP printer
+	ATTR uri device-uri file:/tmp/Test2
+	ATTR enum printer-state 3
+	ATTR boolean printer-is-accepting-jobs true
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Re-Add Printer Test1"
+
+	# The operation to use
+	OPERATION cups-add-printer
+	RESOURCE /admin/
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	GROUP printer
+	ATTR uri device-uri file:/tmp/Test1
+	ATTR enum printer-state 3
+	ATTR boolean printer-is-accepting-jobs true
+
+	FILE testhp.ppd
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Verify Printer Test1 Re-Added"
+
+	# The operation to use
+	OPERATION get-printer-attributes
+	RESOURCE /
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+
+#
+# End of "$Id: 4.2-cups-printer-ops.test 1595 2001-03-01 20:40:17Z mike $"
+#
diff --git a/test/4.3-job-ops.test b/test/4.3-job-ops.test
new file mode 100644
index 000000000..831850ffe
--- /dev/null
+++ b/test/4.3-job-ops.test
@@ -0,0 +1,297 @@
+#
+# "$Id: 4.3-job-ops.test 1595 2001-03-01 20:40:17Z mike $"
+#
+#   Verify that the IPP job operations work.
+#
+{
+	# The name of the test...
+	NAME "Print PostScript Job to Test1"
+
+	# The operation to use
+	OPERATION print-job
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR name requesting-user-name $user
+
+	FILE testfile.ps
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+}
+{
+	# The name of the test...
+	NAME "Get Job Attributes"
+
+	# The operation to use
+	OPERATION get-job-attributes
+	RESOURCE /jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR integer job-id $job-id
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+	EXPECT job-uri
+	EXPECT job-state
+}
+{
+	# The name of the test...
+	NAME "Print PostScript Job to Test2"
+
+	# The operation to use
+	OPERATION print-job
+	RESOURCE /printers/Test2
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test2
+	ATTR name requesting-user-name $user
+
+	FILE testfile.ps
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+}
+{
+	# The name of the test...
+	NAME "Get Job Attributes"
+
+	# The operation to use
+	OPERATION get-job-attributes
+	RESOURCE /jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test2
+	ATTR integer job-id $job-id
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+	EXPECT job-uri
+	EXPECT job-state
+}
+{
+	# The name of the test...
+	NAME "Print Text Job to Test1"
+
+	# The operation to use
+	OPERATION print-job
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR name requesting-user-name $user
+
+	FILE testfile.txt
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+}
+{
+	# The name of the test...
+	NAME "Print PDF Job to Test1"
+
+	# The operation to use
+	OPERATION print-job
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR name requesting-user-name $user
+
+	FILE testfile.pdf
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+}
+{
+	# The name of the test...
+	NAME "Print Image Job to Test1"
+
+	# The operation to use
+	OPERATION print-job
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR name requesting-user-name $user
+
+	FILE testfile.jpg
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-id
+}
+{
+	# The name of the test...
+	NAME "Hold Job on Test1"
+
+	# The operation to use
+	OPERATION hold-job
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Release Job on Test1"
+
+	# The operation to use
+	OPERATION release-job
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Get Job List on Test1"
+
+	# The operation to use
+	OPERATION get-jobs
+	RESOURCE /printers/Test1
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $method://$hostname:$port/printers/Test1
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+{
+	# The name of the test...
+	NAME "Get All Jobs"
+
+	# The operation to use
+	OPERATION get-jobs
+	RESOURCE /jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri job-uri $method://$hostname:$port/jobs
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+	EXPECT job-uri
+	EXPECT job-id
+	EXPECT job-state
+}
+{
+	# The name of the test...
+	NAME "Cancel Job"
+
+	# The operation to use
+	OPERATION cancel-job
+	RESOURCE /jobs
+
+	# The attributes to send
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri job-uri $method://$hostname:$port/jobs/$job-id
+	ATTR name requesting-user-name $user
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT attributes-charset
+	EXPECT attributes-natural-language
+}
+
+#
+# End of "$Id: 4.3-job-ops.test 1595 2001-03-01 20:40:17Z mike $"
+#
diff --git a/test/5.1-lpadmin.sh b/test/5.1-lpadmin.sh
new file mode 100755
index 000000000..05036968e
--- /dev/null
+++ b/test/5.1-lpadmin.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lpadmin command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "Add Printer Test"
+echo ""
+echo "    lpadmin -p Test3 -v file:/dev/null -E -m deskjet.ppd"
+../systemv/lpadmin -p Test3 -v file:/dev/null -E -m deskjet.ppd 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "Modify Printer Test"
+echo ""
+echo "    lpadmin -p Test3 -v file:/tmp/Test3 -o PageSize=A4"
+../systemv/lpadmin -p Test3 -v file:/tmp/Test3 -o PageSize=A4 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "Delete Printer Test"
+echo ""
+echo "    lpadmin -x Test3"
+../systemv/lpadmin -x Test3 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.2-lpc.sh b/test/5.2-lpc.sh
new file mode 100755
index 000000000..d7feb1aea
--- /dev/null
+++ b/test/5.2-lpc.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lpc command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LPC Test"
+echo ""
+echo "    lpc status"
+../berkeley/lpc status 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.3-lpq.sh b/test/5.3-lpq.sh
new file mode 100755
index 000000000..27f3d569c
--- /dev/null
+++ b/test/5.3-lpq.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lpq command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LPQ Test"
+echo ""
+echo "    lpq"
+../berkeley/lpq 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.4-lpstat.sh b/test/5.4-lpstat.sh
new file mode 100755
index 000000000..2153b28b1
--- /dev/null
+++ b/test/5.4-lpstat.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lpstat command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LPSTAT Test"
+echo ""
+echo "    lpstat -t"
+../systemv/lpstat -t 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.5-lp.sh b/test/5.5-lp.sh
new file mode 100755
index 000000000..32c12eb35
--- /dev/null
+++ b/test/5.5-lp.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lp command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LP Default Test"
+echo ""
+echo "    lp testfile.jpg"
+../systemv/lp testfile.jpg 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "LP Destination Test"
+echo ""
+echo "    lp -d Test1 testfile.jpg"
+../systemv/lp -d Test1 testfile.jpg 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.6-lpr.sh b/test/5.6-lpr.sh
new file mode 100755
index 000000000..4b7efb627
--- /dev/null
+++ b/test/5.6-lpr.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lpr command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LPR Default Test"
+echo ""
+echo "    lpr testfile.jpg"
+../berkeley/lpr testfile.jpg 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "LPR Destination Test"
+echo ""
+echo "    lpr -P Test1 testfile.jpg"
+../berkeley/lpr -P Test1 testfile.jpg 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.7-lprm.sh b/test/5.7-lprm.sh
new file mode 100755
index 000000000..81c26b5d4
--- /dev/null
+++ b/test/5.7-lprm.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lprm command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LPRM Current Test"
+echo ""
+echo "    lprm"
+../berkeley/lprm 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "LPRM Destination Test"
+echo ""
+echo "    lprm Test1"
+../berkeley/lprm Test1 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.8-cancel.sh b/test/5.8-cancel.sh
new file mode 100755
index 000000000..fa1cf2b47
--- /dev/null
+++ b/test/5.8-cancel.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the cancel command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "Cancel Destination Test"
+echo ""
+echo "    cancel Test1"
+../systemv/cancel Test1 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "Cancel All Test"
+echo ""
+echo "    cancel -a -"
+../systemv/cancel -a - 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/5.9-lpinfo.sh b/test/5.9-lpinfo.sh
new file mode 100755
index 000000000..bfeb9d668
--- /dev/null
+++ b/test/5.9-lpinfo.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Test the lpinfo command.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+echo "LPINFO Devices Test"
+echo ""
+echo "    lpinfo -v"
+../systemv/lpinfo -v 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+echo "LPINFO Drivers Test"
+echo ""
+echo "    lpinfo -m"
+../systemv/lpinfo -m 2>&1
+if test $? != 0; then
+	echo "    FAILED"
+	exit 1
+else
+	echo "    PASSED"
+fi
+echo ""
+
+#
+# End of "$Id$".
+#
diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 000000000..21f07e1e6
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,72 @@
+#
+# "$Id$"
+#
+#   IPP test makefile for the Common UNIX Printing System (CUPS).
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+include ../Makedefs
+
+
+#
+# Make all targets...
+#
+
+all:	ipptest
+
+
+#
+# Clean all object files...
+#
+
+clean:
+	$(RM) ipptest ipptest.o
+
+
+#
+# Install all targets...
+#
+
+install:
+
+
+#
+# ipptest
+#
+
+ipptest:	ipptest.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	$(CC) $(LDFLAGS) -o ipptest ipptest.o $(LIBS)
+
+ipptest.o:	../cups/cups.h ../Makedefs
+
+
+#
+# purify target for doing tests on the CUPS API...
+#
+
+purify:	ipptest.o ../cups/$(LIBCUPS)
+	echo Linking $@...
+	purify $(CC) $(LDFLAGS) -o ipptest.pure ipptest.o $(LIBS)
+
+
+#
+# End of "$Id$".
+#
diff --git a/test/create-job-format.test b/test/create-job-format.test
new file mode 100644
index 000000000..87d94a5b6
--- /dev/null
+++ b/test/create-job-format.test
@@ -0,0 +1,56 @@
+# Print a test page using create-job + send-document, specifying the
+# document format.
+{
+	# The name of the test...
+	NAME "Print test page using create-job"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION create-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+
+	GROUP job
+	ATTR integer copies 1
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
+{
+	# The name of the test...
+	NAME "... and send-document"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION send-document
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+	ATTR mimetype document-format application/postscript
+	ATTR boolean last-document true
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
diff --git a/test/create-job-sheets.test b/test/create-job-sheets.test
new file mode 100644
index 000000000..d15bb7d4b
--- /dev/null
+++ b/test/create-job-sheets.test
@@ -0,0 +1,55 @@
+# Test create-job + send-document with job-sheets attribute
+{
+	# The name of the test...
+	NAME "Print test page using create-job"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION create-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+
+	GROUP job
+	ATTR integer copies 1
+	ATTR name job-sheets standard
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
+{
+	# The name of the test...
+	NAME "... and send-document"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION send-document
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+	ATTR boolean last-document true
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
diff --git a/test/create-job-timeout.test b/test/create-job-timeout.test
new file mode 100644
index 000000000..b0e035797
--- /dev/null
+++ b/test/create-job-timeout.test
@@ -0,0 +1,55 @@
+# Print a test page using create-job + send-document, but don't send
+# last-document = true
+{
+	# The name of the test...
+	NAME "Print test page using create-job"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION create-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+
+	GROUP job
+	ATTR integer copies 1
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
+{
+	# The name of the test...
+	NAME "... and send-document"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION send-document
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+	ATTR mimetype document-format application/octet-stream
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
diff --git a/test/create-job.test b/test/create-job.test
new file mode 100644
index 000000000..3cfaac532
--- /dev/null
+++ b/test/create-job.test
@@ -0,0 +1,54 @@
+# Print a test page using create-job + send-document
+{
+	# The name of the test...
+	NAME "Print test page using create-job"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION create-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+
+	GROUP job
+	ATTR integer copies 1
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
+{
+	# The name of the test...
+	NAME "... and send-document"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION send-document
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+	ATTR boolean last-document true
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
diff --git a/test/get-devices.test b/test/get-devices.test
new file mode 100644
index 000000000..76bb5ec76
--- /dev/null
+++ b/test/get-devices.test
@@ -0,0 +1,21 @@
+# Get devices using CUPS-get-devices
+{
+	# The name of the test...
+	NAME "Get devices using CUPS-get-devices"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION CUPS-get-devices
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
diff --git a/test/get-job-attributes.test b/test/get-job-attributes.test
new file mode 100644
index 000000000..35b241b06
--- /dev/null
+++ b/test/get-job-attributes.test
@@ -0,0 +1,27 @@
+# Test get-job-attributes by sending a print job, getting the attributes,
+# and cancelling it.
+{
+	# The name of the test...
+	NAME "Get job info with get-job-attributes"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION get-job-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri job-uri $uri
+
+	# What statuses are OK?
+	#STATUS ok
+	#STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-uri
+	EXPECT job-state
+	EXPECT bogus-attribute
+}
diff --git a/test/get-job-attributes2.test b/test/get-job-attributes2.test
new file mode 100644
index 000000000..6a8673f88
--- /dev/null
+++ b/test/get-job-attributes2.test
@@ -0,0 +1,28 @@
+# Test get-job-attributes
+{
+	# The name of the test...
+	NAME "get-job-attributes"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION get-job-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri job-uri $uri
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-uri
+	EXPECT job-state
+	EXPECT time-at-creation
+	EXPECT time-at-completed
+	EXPECT time-at-processing
+}
diff --git a/test/get-ppds.test b/test/get-ppds.test
new file mode 100644
index 000000000..90f59eb6e
--- /dev/null
+++ b/test/get-ppds.test
@@ -0,0 +1,21 @@
+# Get PPD files using CUPS-get-ppds
+{
+	# The name of the test...
+	NAME "Get PPD files using CUPS-get-ppds"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION CUPS-get-ppds
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
diff --git a/test/get-printer-attributes.test b/test/get-printer-attributes.test
new file mode 100644
index 000000000..79d4dfffa
--- /dev/null
+++ b/test/get-printer-attributes.test
@@ -0,0 +1,44 @@
+# Get printer attributes using get-printer-attributes
+{
+	# The name of the test...
+	NAME "Get printer attributes using get-printer-attributes"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION get-printer-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+
+	# What statuses are OK?
+	STATUS successful-ok
+
+	# What attributes do we expect?
+	EXPECT charset-configured
+	EXPECT charset-supported
+	EXPECT compression-supported
+	EXPECT document-format-default
+	EXPECT document-format-supported
+	EXPECT generated-natural-language-supported
+	EXPECT ipp-versions-supported
+	EXPECT natural-language-configured
+	EXPECT operations-supported
+	EXPECT printer-info
+	EXPECT printer-is-accepting-jobs
+	EXPECT printer-location
+	EXPECT printer-make-and-model
+	EXPECT printer-more-info
+	EXPECT printer-name
+	EXPECT printer-state
+	EXPECT printer-state-reasons
+	EXPECT printer-up-time
+	EXPECT printer-uri-supported
+	EXPECT uri-authentication-supported
+	EXPECT uri-security-supported
+	EXPECT foo
+}
diff --git a/test/ipptest.c b/test/ipptest.c
new file mode 100644
index 000000000..14da08f69
--- /dev/null
+++ b/test/ipptest.c
@@ -0,0 +1,808 @@
+/*
+ * "$Id$"
+ *
+ *   IPP test command for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ *   main()          - Parse options and do tests.
+ *   do_tests()      - Do tests as specified in the test file.
+ *   get_operation() - Get an IPP opcode from an operation name...
+ *   get_status()    - Get an IPP status from a status name...
+ *   get_tag()       - Get an IPP value or group tag from a name...
+ *   get_token()     - Get a token from a file.
+ *   print_attr()    - Print an attribute on the screen.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <cups/string.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include <cups/cups.h>
+#include <cups/language.h>
+
+
+/*
+ * Local globals...
+ */
+
+
+/*
+ * Local functions...
+ */
+
+int		do_tests(const char *, const char *);
+ipp_op_t	get_operation(const char *);
+ipp_status_t	get_status(const char *);
+ipp_tag_t	get_tag(const char *);
+char		*get_token(FILE *, char *, int);
+void		print_attr(ipp_attribute_t *);
+
+
+/*
+ * 'main()' - Parse options and do tests.
+ */
+
+int					/* O - Exit status */
+main(int  argc,				/* I - Number of command-line arguments */
+     char *argv[])			/* I - Command-line arguments */
+{
+  int		i;			/* Looping var */
+  int		status;			/* Status of tests... */
+
+
+ /*
+  * We need at least:
+  *
+  *     testipp URL testfile
+  */
+
+  if (argc < 3)
+  {
+    fputs("Usage: testipp URL testfile [ ... testfileN ]\n", stderr);
+    return (1);
+  }
+
+ /*
+  * Run tests...
+  */
+
+  for (i = 2, status = 1; status && i < argc; i ++)
+    status = status && do_tests(argv[1], argv[i]);
+
+ /*
+  * Exit...
+  */
+
+  return (!status);
+}
+
+
+/*
+ * 'do_tests()' - Do tests as specified in the test file.
+ */
+
+int					/* 1 = success, 0 = failure */
+do_tests(const char *uri,		/* I - URI to connect on */
+         const char *testfile)		/* I - Test file to use */
+{
+  int		i;			/* Looping var */
+  http_t	*http;			/* HTTP connection to server */
+  char		method[HTTP_MAX_URI],	/* URI method */
+		userpass[HTTP_MAX_URI],	/* username:password */
+		server[HTTP_MAX_URI],	/* Server */
+		resource[HTTP_MAX_URI];	/* Resource path */
+  int		port;			/* Port number */
+  FILE		*fp;			/* Test file */
+  char		token[1024],		/* Token from file */
+		*tokenptr,		/* Pointer into token */
+		temp[1024],		/* Temporary string */
+		*tempptr;		/* Pointer into temp string */
+  ipp_t		*request;		/* IPP request */
+  ipp_t		*response;		/* IPP response */
+  ipp_op_t	op;			/* Operation */
+  ipp_tag_t	group;			/* Current group */
+  ipp_tag_t	value;			/* Current value type */
+  ipp_attribute_t *attrptr;		/* Attribute pointer */
+  char		attr[128];		/* Attribute name */
+  int		num_statuses;		/* Number of valid status codes */
+  ipp_status_t	statuses[100];		/* Valid status codes */
+  int		num_expects;		/* Number of expected attributes */
+  char		*expects[100];		/* Expected attributes */
+  char		name[1024];		/* Name of test */
+  char		filename[1024];		/* Filename */
+  int		pass;			/* Did we pass the test? */
+  int		job_id;			/* Job ID from last operation */
+
+
+ /*
+  * Open the test file...
+  */
+
+  if ((fp = fopen(testfile, "r")) == NULL)
+  {
+    printf("Unable to open test file %s - %s\n", testfile, strerror(errno));
+    return (0);
+  }
+
+ /*
+  * Connect to the server...
+  */
+
+  httpSeparate(uri, method, userpass, server, &port, resource);
+  if ((http = httpConnect(server, port)) == NULL)
+  {
+    printf("Unable to connect to %s on port %d - %s\n", server, port,
+           strerror(errno));
+    return (0);
+  }
+
+ /*
+  * Loop on tests...
+  */
+
+  printf("\"%s\":\n", testfile);
+  pass   = 1;
+  job_id = 0;
+
+  while (get_token(fp, token, sizeof(token)) != NULL)
+  {
+   /*
+    * Expect an open brace...
+    */
+
+    if (strcmp(token, "{") != 0)
+    {
+      printf("Unexpected token %s seen - aborting test!\n", token);
+      httpClose(http);
+      return (0);
+    }
+
+   /*
+    * Initialize things...
+    */
+
+    httpSeparate(uri, method, userpass, server, &port, resource);
+
+    request      = ippNew();
+    op           = (ipp_op_t)0;
+    group        = IPP_TAG_OPERATION;
+    value        = IPP_TAG_ZERO;
+    num_statuses = 0;
+    num_expects  = 0;
+    filename[0]  = '\0';
+
+    strcpy(name, testfile);
+    if (strrchr(name, '.') != NULL)
+      *strrchr(name, '.') = '\0';
+
+   /*
+    * Parse until we see a close brace...
+    */
+
+    while (get_token(fp, token, sizeof(token)) != NULL)
+    {
+      if (strcmp(token, "}") == 0)
+        break;
+      else if (strcasecmp(token, "NAME") == 0)
+      {
+       /*
+        * Name of test...
+	*/
+
+	get_token(fp, name, sizeof(name));
+      }
+      else if (strcasecmp(token, "RESOURCE") == 0)
+      {
+       /*
+        * Resource name...
+	*/
+
+	get_token(fp, resource, sizeof(resource));
+      }
+      else if (strcasecmp(token, "OPERATION") == 0)
+      {
+       /*
+        * Operation...
+	*/
+
+	get_token(fp, token, sizeof(token));
+	op = get_operation(token);
+      }
+      else if (strcasecmp(token, "GROUP") == 0)
+      {
+       /*
+        * Attribute group...
+	*/
+
+	get_token(fp, token, sizeof(token));
+	group = get_tag(token);
+      }
+      else if (strcasecmp(token, "ATTR") == 0)
+      {
+       /*
+        * Attribute...
+	*/
+
+	get_token(fp, token, sizeof(token));
+	value = get_tag(token);
+	get_token(fp, attr, sizeof(attr));
+	get_token(fp, temp, sizeof(temp));
+
+        token[sizeof(token) - 1] = '\0';
+
+        for (tempptr = temp, tokenptr = token;
+	     *tempptr && tokenptr < (token + sizeof(token) - 1);)
+	  if (*tempptr == '$')
+	  {
+	   /*
+	    * Substitute a string/number...
+	    */
+
+            if (strncasecmp(tempptr + 1, "uri", 3) == 0)
+	    {
+	      strncpy(tokenptr, uri, sizeof(token) - 1 - (tokenptr - token));
+	      tempptr += 4;
+	    }
+	    else if (strncasecmp(tempptr + 1, "method", 6) == 0)
+	    {
+	      strncpy(tokenptr, method, sizeof(token) - 1 - (tokenptr - token));
+	      tempptr += 7;
+	    }
+	    else if (strncasecmp(tempptr + 1, "username", 8) == 0)
+	    {
+	      strncpy(tokenptr, userpass, sizeof(token) - 1 - (tokenptr - token));
+	      tempptr += 9;
+	    }
+	    else if (strncasecmp(tempptr + 1, "hostname", 8) == 0)
+	    {
+	      strncpy(tokenptr, server, sizeof(token) - 1 - (tokenptr - token));
+	      tempptr += 9;
+	    }
+	    else if (strncasecmp(tempptr + 1, "port", 4) == 0)
+	    {
+	      snprintf(tokenptr, sizeof(token) - 1 - (tokenptr - token),
+	               "%d", port);
+	      tempptr += 5;
+	    }
+	    else if (strncasecmp(tempptr + 1, "resource", 8) == 0)
+	    {
+	      strncpy(tokenptr, resource, sizeof(token) - 1 - (tokenptr - token));
+	      tempptr += 9;
+	    }
+	    else if (strncasecmp(tempptr + 1, "job-id", 6) == 0)
+	    {
+	      snprintf(tokenptr, sizeof(token) - 1 - (tokenptr - token),
+	               "%d", job_id);
+	      tempptr += 7;
+	    }
+	    else if (strncasecmp(tempptr + 1, "user", 4) == 0)
+	    {
+	      strncpy(tokenptr, cupsUser(), sizeof(token) - 1 - (tokenptr - token));
+	      tempptr += 5;
+	    }
+            else
+	    {
+	      *tokenptr++ = *tempptr ++;
+	      *tokenptr   = '\0';
+	    }
+
+            tokenptr += strlen(tokenptr);
+	  }
+	  else
+	  {
+	    *tokenptr++ = *tempptr++;
+	    *tokenptr   = '\0';
+	  }
+
+        switch (value)
+	{
+	  case IPP_TAG_BOOLEAN :
+	      if (strcasecmp(token, "true") == 0)
+		ippAddBoolean(request, group, attr, 1);
+              else
+		ippAddBoolean(request, group, attr, atoi(token));
+	      break;
+
+	  case IPP_TAG_INTEGER :
+	  case IPP_TAG_ENUM :
+	      ippAddInteger(request, group, value, attr, atoi(token));
+	      break;
+
+	  case IPP_TAG_RESOLUTION :
+	      puts("    ERROR: resolution tag not yet supported!");
+	      break;
+
+	  case IPP_TAG_RANGE :
+	      puts("    ERROR: range tag not yet supported!");
+	      break;
+
+	  default :
+	      ippAddString(request, group, value, attr, NULL, token);
+	      break;
+	}
+      }
+      else if (strcasecmp(token, "FILE") == 0)
+      {
+       /*
+        * File...
+	*/
+
+	get_token(fp, filename, sizeof(filename));
+      }
+      else if (strcasecmp(token, "STATUS") == 0)
+      {
+       /*
+        * Status...
+	*/
+
+	get_token(fp, token, sizeof(token));
+	statuses[num_statuses] = get_status(token);
+	num_statuses ++;
+      }
+      else if (strcasecmp(token, "EXPECT") == 0)
+      {
+       /*
+        * Status...
+	*/
+
+	get_token(fp, token, sizeof(token));
+	expects[num_expects] = strdup(token);
+	num_expects ++;
+      }
+      else
+      {
+	printf("Unexpected token %s seen - aborting test!\n", token);
+	httpClose(http);
+	ippDelete(request);
+	return (0);
+      }
+    }
+
+   /*
+    * Submit the IPP request...
+    */
+
+    request->request.op.operation_id = op;
+    request->request.op.request_id   = 1;
+
+    printf("    %-60.60s [    ]", name);
+    fflush(stdout);
+
+    if (filename[0])
+      response = cupsDoFileRequest(http, request, resource, filename);
+    else
+      response = cupsDoRequest(http, request, resource);
+
+    if (response == NULL)
+    {
+      time_t curtime;
+
+      curtime = time(NULL);
+
+      printf("\b\b\b\b\bFAIL]\n");
+      printf("        ERROR %x\n", cupsLastError());
+      printf("        (%s) @ %s\n",
+	     ippErrorString(cupsLastError()), ctime(&curtime));
+      pass = 0;
+    }
+    else
+    {
+      if ((attrptr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER)) != NULL)
+        job_id = attrptr->values[0].integer;
+
+      for (i = 0; i < num_statuses; i ++)
+        if (response->request.status.status_code == statuses[i])
+	  break;
+
+      if (i == num_statuses && num_statuses > 0)
+      {
+	printf("\b\b\b\b\bFAIL]\n");
+        printf("        STATUS %x\n", response->request.status.status_code);
+        printf("        (%s)\n",
+	       ippErrorString(response->request.status.status_code));
+	printf("        (%d bytes in response)\n", ippLength(response));
+
+	pass = 0;
+      }
+      else
+      {
+        for (i = 0; i < num_expects; i ++)
+	  if (ippFindAttribute(response, expects[i], IPP_TAG_ZERO) == NULL)
+	  {
+	    if (pass)
+	    {
+	      printf("\b\b\b\b\bFAIL]\n");
+	      printf("        (%d bytes in response)\n", ippLength(response));
+	      pass = 0;
+	    }
+
+	    printf("        EXPECTED %s\n", expects[i]);
+	  }
+
+	if (pass)
+	{
+	  printf("\b\b\b\b\bPASS]\n");
+	  printf("        (%d bytes in response)\n", ippLength(response));
+	}
+	else
+	{
+	  puts("        RECEIVED");
+	  printf("        status-code = %04x\n",
+	         response->request.status.status_code);
+
+	  for (attrptr = response->attrs; attrptr != NULL; attrptr = attrptr->next)
+	    print_attr(attrptr);
+	}
+      }
+
+      ippDelete(response);
+    }
+
+    for (i = 0; i < num_expects; i ++)
+      free(expects[i]);
+
+    if (!pass)
+      break;
+  }
+
+  fclose(fp);
+  httpClose(http);
+
+  return (pass);
+}
+
+
+/*
+ * 'get_operation()' - Get an IPP opcode from an operation name...
+ */
+
+ipp_op_t
+get_operation(const char *name)
+{
+  int		i;
+  static char	*ipp_ops[] =
+		{
+		  "",
+		  "",
+		  "print-job",
+		  "print-uri",
+		  "validate-job",
+		  "create-job",
+		  "send-document",
+		  "send-uri",
+		  "cancel-job",
+		  "get-job-attributes",
+		  "get-jobs",
+		  "get-printer-attributes",
+		  "hold-job",
+		  "release-job",
+		  "restart-job",
+		  "",
+		  "pause-printer",
+		  "resume-printer",
+		  "purge-jobs",
+		  "set-printer-attributes",
+		  "set-job-attributes",
+		  "get-printer-supported-values"
+		},
+		*cups_ops[] =
+		{
+		  "cups-get-default",
+		  "cups-get-printers",
+		  "cups-add-printer",
+		  "cups-delete-printer",
+		  "cups-get-classes",
+		  "cups-add-class",
+		  "cups-delete-class",
+		  "cups-accept-jobs",
+		  "cups-reject-jobs",
+		  "cups-set-default",
+		  "cups-get-devices",
+		  "cups-get-ppds",
+		  "cups-move-job"
+		};
+
+
+  for (i = 0; i < (sizeof(ipp_ops) / sizeof(ipp_ops[0])); i ++)
+    if (strcasecmp(name, ipp_ops[i]) == 0)
+      return ((ipp_op_t)i);
+
+  for (i = 0; i < (sizeof(cups_ops) / sizeof(cups_ops[0])); i ++)
+    if (strcasecmp(name, cups_ops[i]) == 0)
+      return ((ipp_op_t)(i + 0x4001));
+
+  return ((ipp_op_t)0);
+}
+
+
+/*
+ * 'get_status()' - Get an IPP status from a status name...
+ */
+
+ipp_status_t
+get_status(const char *name)
+{
+  int		i;
+  static const char *status_oks[] =	/* "OK" status codes */
+		{
+		  "successful-ok",
+		  "successful-ok-ignored-or-substituted-attributes",
+		  "successful-ok-conflicting-attributes"
+		},
+		*status_400s[] =	/* Client errors */
+		{
+		  "client-error-bad-request",
+		  "client-error-forbidden",
+		  "client-error-not-authenticated",
+		  "client-error-not-authorized",
+		  "client-error-not-possible",
+		  "client-error-timeout",
+		  "client-error-not-found",
+		  "client-error-gone",
+		  "client-error-request-entity-too-large",
+		  "client-error-request-value-too-long",
+		  "client-error-document-format-not-supported",
+		  "client-error-attributes-or-values-not-supported",
+		  "client-error-uri-scheme-not-supported",
+		  "client-error-charset-not-supported",
+		  "client-error-conflicting-attributes",
+		  "client-error-compression-not-supported",
+		  "client-error-compression-error",
+		  "client-error-document-format-error",
+		  "client-error-document-access-error"
+		},
+		*status_500s[] =	/* Server errors */
+		{
+		  "server-error-internal-error",
+		  "server-error-operation-not-supported",
+		  "server-error-service-unavailable",
+		  "server-error-version-not-supported",
+		  "server-error-device-error",
+		  "server-error-temporary-error",
+		  "server-error-not-accepting-jobs",
+		  "server-error-busy",
+		  "server-error-job-canceled",
+		  "server-error-multiple-document-jobs-not-supported"
+		};
+
+
+  for (i = 0; i < (sizeof(status_oks) / sizeof(status_oks[0])); i ++)
+    if (strcasecmp(name, status_oks[i]) == 0)
+      return ((ipp_status_t)i);
+
+  for (i = 0; i < (sizeof(status_400s) / sizeof(status_400s[0])); i ++)
+    if (strcasecmp(name, status_400s[i]) == 0)
+      return ((ipp_status_t)(i + 0x400));
+
+  for (i = 0; i < (sizeof(status_500s) / sizeof(status_500s[0])); i ++)
+    if (strcasecmp(name, status_500s[i]) == 0)
+      return ((ipp_status_t)(i + 0x500));
+
+  return ((ipp_status_t)-1);
+}
+
+
+/*
+ * 'get_tag()' - Get an IPP value or group tag from a name...
+ */
+
+ipp_tag_t
+get_tag(const char *name)
+{
+  int		i;
+  static char	*names[] =
+		{
+		  "zero", "operation", "job", "end", "printer",
+		  "unsupported-group", "", "", "", "", "", "", "",
+		  "", "", "", "unsupported-value", "default",
+		  "unknown", "novalue", "", "notsettable",
+		  "deleteattr", "anyvalue", "", "", "", "", "", "",
+		  "", "", "", "integer", "boolean", "enum", "", "",
+		  "", "", "", "", "", "", "", "", "", "", "string",
+		  "date", "resolution", "range", "collection",
+		  "textlang", "namelang", "", "", "", "", "", "", "",
+		  "", "", "", "text", "name", "", "keyword", "uri",
+		  "urischeme", "charset", "language", "mimetype"
+		};
+
+
+  for (i = 0; i < (sizeof(names) / sizeof(names[0])); i ++)
+    if (strcasecmp(name, names[i]) == 0)
+      return ((ipp_tag_t)i);
+
+  return (IPP_TAG_ZERO);
+}
+
+
+/*
+ * 'get_token()' - Get a token from a file.
+ */
+
+char *				/* O - Token from file or NULL on EOF */
+get_token(FILE *fp,		/* I - File to read from */
+          char *buf,		/* I - Buffer to read into */
+	  int  buflen)		/* I - Length of buffer */
+{
+  int	ch,			/* Character from file */
+	quote;			/* Quoting character */
+  char	*bufptr,		/* Pointer into buffer */
+	*bufend;		/* End of buffer */
+
+
+  for (;;)
+  {
+   /*
+    * Skip whitespace...
+    */
+
+    while (isspace(ch = getc(fp)));
+
+   /*
+    * Read a token...
+    */
+
+    if (ch == EOF)
+      return (NULL);
+    else if (ch == '\'' || ch == '\"')
+    {
+     /*
+      * Quoted text...
+      */
+
+      quote  = ch;
+      bufptr = buf;
+      bufend = buf + buflen - 1;
+
+      while ((ch = getc(fp)) != EOF)
+	if (ch == quote)
+          break;
+	else if (bufptr < bufend)
+          *bufptr++ = ch;
+
+      *bufptr = '\0';
+      return (buf);
+    }
+    else if (ch == '#')
+    {
+     /*
+      * Comment...
+      */
+
+      while ((ch = getc(fp)) != EOF)
+	if (ch == '\n')
+          break;
+    }
+    else
+    {
+     /*
+      * Whitespace delimited text...
+      */
+
+      ungetc(ch, fp);
+
+      bufptr = buf;
+      bufend = buf + buflen - 1;
+
+      while ((ch = getc(fp)) != EOF)
+	if (isspace(ch) || ch == '#')
+          break;
+	else if (bufptr < bufend)
+          *bufptr++ = ch;
+
+      if (ch == '#')
+        ungetc(ch, fp);
+
+      *bufptr = '\0';
+      return (buf);
+    }
+  }
+}
+
+
+/*
+ * 'print_attr()' - Print an attribute on the screen.
+ */
+
+void
+print_attr(ipp_attribute_t *attr)	/* I - Attribute to print */
+{
+  int		i;			/* Looping var */
+
+
+  if (attr->name == NULL)
+  {
+    puts("        -- separator --");
+    return;
+  }
+
+  printf("        %s = ", attr->name);
+
+  switch (attr->value_tag)
+  {
+    case IPP_TAG_INTEGER :
+    case IPP_TAG_ENUM :
+	for (i = 0; i < attr->num_values; i ++)
+	  printf("%d ", attr->values[i].integer);
+	break;
+
+    case IPP_TAG_BOOLEAN :
+	for (i = 0; i < attr->num_values; i ++)
+	  if (attr->values[i].boolean)
+	    printf("true ");
+	  else
+	    printf("false ");
+	break;
+
+    case IPP_TAG_NOVALUE :
+	printf("novalue");
+	break;
+
+    case IPP_TAG_RANGE :
+	for (i = 0; i < attr->num_values; i ++)
+	  printf("%d-%d ", attr->values[i].range.lower,
+		 attr->values[i].range.upper);
+	break;
+
+    case IPP_TAG_RESOLUTION :
+	for (i = 0; i < attr->num_values; i ++)
+	  printf("%dx%d%s ", attr->values[i].resolution.xres,
+		 attr->values[i].resolution.yres,
+		 attr->values[i].resolution.units == IPP_RES_PER_INCH ?
+		     "dpi" : "dpc");
+	break;
+
+    case IPP_TAG_STRING :
+    case IPP_TAG_TEXT :
+    case IPP_TAG_NAME :
+    case IPP_TAG_KEYWORD :
+    case IPP_TAG_CHARSET :
+    case IPP_TAG_URI :
+    case IPP_TAG_MIMETYPE :
+    case IPP_TAG_LANGUAGE :
+	for (i = 0; i < attr->num_values; i ++)
+	  printf("\"%s\" ", attr->values[i].string.text);
+	break;
+
+    case IPP_TAG_TEXTLANG :
+    case IPP_TAG_NAMELANG :
+	for (i = 0; i < attr->num_values; i ++)
+	  printf("\"%s\",%s ", attr->values[i].string.text,
+		 attr->values[i].string.charset);
+	break;
+
+    default :
+	break; /* anti-compiler-warning-code */
+  }
+
+  putchar('\n');
+}
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/test/print-job-hold.test b/test/print-job-hold.test
new file mode 100644
index 000000000..6bdaa8381
--- /dev/null
+++ b/test/print-job-hold.test
@@ -0,0 +1,33 @@
+# Test print-job and job-hold-until attribute
+{
+	# The name of the test...
+	NAME "Print with print-job + job-hold-until"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION print-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+	ATTR mimetype document-format application/postscript
+	ATTR keyword job-hold-until indefinite
+
+	GROUP job
+	ATTR integer copies 1
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
diff --git a/test/print-job.test b/test/print-job.test
new file mode 100644
index 000000000..5bbc92c91
--- /dev/null
+++ b/test/print-job.test
@@ -0,0 +1,32 @@
+# Print a test page using print-job
+{
+	# The name of the test...
+	NAME "Print test page using print-job"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION print-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+	ATTR mimetype document-format application/postscript
+
+	GROUP job
+	ATTR integer copies 1
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
diff --git a/test/run-stp-tests.sh b/test/run-stp-tests.sh
new file mode 100755
index 000000000..f45a6d96e
--- /dev/null
+++ b/test/run-stp-tests.sh
@@ -0,0 +1,327 @@
+#!/bin/sh
+#
+# "$Id$"
+#
+#   Perform the complete set of IPP compliance tests specified in the
+#   CUPS Software Test Plan.
+#
+#   Copyright 1997-2002 by Easy Software Products, all rights reserved.
+#
+#   These coded instructions, statements, and computer programs are the
+#   property of Easy Software Products and are protected by Federal
+#   copyright law.  Distribution and use rights are outlined in the file
+#   "LICENSE.txt" which should have been included with this file.  If this
+#   file is missing or damaged please contact Easy Software Products
+#   at:
+#
+#       Attn: CUPS Licensing Information
+#       Easy Software Products
+#       44141 Airport View Drive, Suite 204
+#       Hollywood, Maryland 20636-3111 USA
+#
+#       Voice: (301) 373-9603
+#       EMail: cups-info@cups.org
+#         WWW: http://www.cups.org
+#
+
+#
+# Make the IPP test program...
+#
+
+make
+
+#
+# Information for the server/tests...
+#
+
+user=`whoami`
+port=8631
+cwd=`pwd`
+root=`dirname $cwd`
+
+#
+# Start by creating temporary directories for the tests...
+#
+
+rm -rf /tmp/$user
+mkdir /tmp/$user
+mkdir /tmp/$user/bin
+mkdir /tmp/$user/bin/backend
+mkdir /tmp/$user/bin/filter
+mkdir /tmp/$user/certs
+mkdir /tmp/$user/share
+mkdir /tmp/$user/share/banners
+mkdir /tmp/$user/share/model
+mkdir /tmp/$user/interfaces
+mkdir /tmp/$user/log
+mkdir /tmp/$user/ppd
+mkdir /tmp/$user/spool
+mkdir /tmp/$user/spool/temp
+mkdir /tmp/$user/ssl
+
+ln -s $root/backend/http /tmp/$user/bin/backend
+ln -s $root/backend/ipp /tmp/$user/bin/backend
+ln -s $root/backend/lpd /tmp/$user/bin/backend
+ln -s $root/backend/parallel /tmp/$user/bin/backend
+ln -s $root/backend/serial /tmp/$user/bin/backend
+ln -s $root/backend/socket /tmp/$user/bin/backend
+ln -s $root/backend/usb /tmp/$user/bin/backend
+ln -s $root/cgi-bin /tmp/$user/bin
+ln -s $root/filter/hpgltops /tmp/$user/bin/filter
+ln -s $root/filter/imagetops /tmp/$user/bin/filter
+ln -s $root/filter/imagetoraster /tmp/$user/bin/filter
+ln -s $root/filter/pstops /tmp/$user/bin/filter
+ln -s $root/filter/rastertoepson /tmp/$user/bin/filter
+ln -s $root/filter/rastertohp /tmp/$user/bin/filter
+ln -s $root/filter/texttops /tmp/$user/bin/filter
+ln -s $root/pdftops/pdftops /tmp/$user/bin/filter
+ln -s $root/pstoraster/pstoraster /tmp/$user/bin/filter
+
+ln -s $root/data/classified /tmp/$user/share/banners
+ln -s $root/data/confidential /tmp/$user/share/banners
+ln -s $root/data/secret /tmp/$user/share/banners
+ln -s $root/data/standard /tmp/$user/share/banners
+ln -s $root/data/topsecret /tmp/$user/share/banners
+ln -s $root/data/unclassified /tmp/$user/share/banners
+ln -s $root/data /tmp/$user/share/charsets
+ln -s $root/data /tmp/$user/share
+ln -s $root/fonts /tmp/$user/share
+ln -s $root/ppd/*.ppd /tmp/$user/share/model
+ln -s $root/pstoraster /tmp/$user/share
+ln -s $root/templates /tmp/$user/share
+
+#
+# Then create the necessary config files...
+#
+
+cat >/tmp/$user/cupsd.conf <<EOF
+Browsing Off
+Listen 127.0.0.1:$port
+User $user
+ServerRoot /tmp/$user
+ServerBin /tmp/$user/bin
+DataDir /tmp/$user/share
+FontPath /tmp/$user/share/fonts
+DocumentRoot $root/doc
+RequestRoot /tmp/$user/spool
+TempDir /tmp/$user/spool/temp
+AccessLog /tmp/$user/log/access_log
+ErrorLog /tmp/$user/log/error_log
+PageLog /tmp/$user/log/page_log
+LogLevel debug2
+PreserveJobHistory Yes
+<Location />
+Order deny,allow
+Deny from all
+Allow from 127.0.0.1
+</Location>
+<Location /admin>
+Order deny,allow
+Deny from all
+Allow from 127.0.0.1
+Require valid-user
+</Location>
+EOF
+
+touch /tmp/$user/classes.conf
+touch /tmp/$user/printers.conf
+
+cp $root/conf/mime.types /tmp/$user/mime.types
+cp $root/conf/mime.convs /tmp/$user/mime.convs
+
+#
+# Setup the paths...
+#
+
+if test "x$LD_LIBRARY_PATH" = x; then
+	LD_LIBRARY_PATH="$root/cups:$root/filter"
+else
+	LD_LIBRARY_PATH="$root/cups:$root/filter:$LD_LIBRARY_PATH"
+fi
+
+export LD_LIBRARY_PATH
+
+if test "x$DYLD_LIBRARY_PATH" = x; then
+	DYLD_LIBRARY_PATH="$root/cups:$root/filter"
+else
+	DYLD_LIBRARY_PATH="$root/cups:$root/filter:$DYLD_LIBRARY_PATH"
+fi
+
+export DYLD_LIBRARY_PATH
+
+CUPS_SERVERROOT=/tmp/$user; export CUPS_SERVERROOT
+CUPS_DATADIR=/tmp/$user/share; export CUPS_DATADIR
+
+#
+# Set a new home directory to avoid getting user options mixed in...
+#
+
+HOME=/tmp/$user
+export HOME
+
+#
+# Start the server; run as foreground daemon in the background...
+#
+
+echo "Starting scheduler..."
+
+../scheduler/cupsd -c /tmp/$user/cupsd.conf -f &
+cupsd=$!
+
+echo "Scheduler is PID $cupsd; run debugger now if you need to."
+echo ""
+echo "Press ENTER to continue..."
+read junk
+
+IPP_PORT=$port; export IPP_PORT
+
+while true; do
+	running=`../systemv/lpstat -r 2>/dev/null`
+	if test "x$running" = "xscheduler is running"; then
+		break
+	fi
+
+	echo "Waiting for scheduler to become ready..."
+	sleep 10
+done
+
+#
+# Create the test report source file...
+#
+
+strfile=cups-str-1.1-`date +%Y-%m-%d`-`whoami`.shtml
+
+rm -f $strfile
+cat str-header.html >$strfile
+
+#
+# Run the IPP tests...
+#
+
+echo "Running IPP compliance tests..."
+
+echo "<H1>IPP Compliance Tests</H1>" >>$strfile
+echo "<P>This section provides the results to the IPP compliance tests" >>$strfile
+echo "outlined in the CUPS Software Test Plan. These tests were run on" >>$strfile
+echo `date "+%Y-%m-%d"` by `whoami` on `hostname`. >>$strfile
+echo "<PRE>" >>$strfile
+
+fail=0
+for file in 4*.test; do
+	echo "Performing $file..."
+	echo "" >>$strfile
+
+	./ipptest ipp://localhost:$port/printers $file >>$strfile
+	status=$?
+
+	if test $status != 0; then
+		echo Test failed.
+		fail=`expr $fail + 1`
+	fi
+done
+
+echo "</PRE>" >>$strfile
+
+#
+# Run the command tests...
+#
+
+echo "Running command tests..."
+
+echo "<H1>Command Tests</H1>" >>$strfile
+echo "<P>This section provides the results to the command tests" >>$strfile
+echo "outlined in the CUPS Software Test Plan. These tests were run on" >>$strfile
+echo `date "+%Y-%m-%d"` by `whoami` on `hostname`. >>$strfile
+echo "<PRE>" >>$strfile
+
+for file in 5*.sh; do
+	echo "Performing $file..."
+	echo "" >>$strfile
+	echo "\"$file\":" >>$strfile
+
+	sh $file >>$strfile
+	status=$?
+
+	if test $status != 0; then
+		echo Test failed.
+		fail=`expr $fail + 1`
+	fi
+done
+
+echo "</PRE>" >>$strfile
+
+#
+# Wait for jobs to complete...
+#
+
+while true; do
+	jobs=`../systemv/lpstat 2>/dev/null`
+	if test "x$jobs" = "x"; then
+		break
+	fi
+
+	echo "Waiting for jobs to complete..."
+	sleep 10
+done
+
+#
+# Stop the server...
+#
+
+kill $cupsd
+
+#
+# Append the log files for post-mortim...
+#
+
+echo "<H1>Log Files</H1>" >>$strfile
+
+echo "<H2>access_log</H2>" >>$strfile
+echo "<PRE>" >>$strfile
+cat /tmp/$user/log/access_log >>$strfile
+echo "</PRE>" >>$strfile
+
+echo "<H2>error_log</H2>" >>$strfile
+echo "<PRE>" >>$strfile
+cat /tmp/$user/log/error_log >>$strfile
+echo "</PRE>" >>$strfile
+
+echo "<H2>page_log</H2>" >>$strfile
+echo "<PRE>" >>$strfile
+cat /tmp/$user/log/page_log >>$strfile
+echo "</PRE>" >>$strfile
+
+#
+# Format the reports and tell the user where to find them...
+#
+
+echo "Formatting reports..."
+
+cat str-trailer.html >>$strfile
+
+htmlfile=`basename $strfile .shtml`.html
+pdffile=`basename $strfile .shtml`.pdf
+
+htmldoc --numbered --verbose --titleimage ../doc/images/cups-large.gif \
+	-f $htmlfile $strfile
+htmldoc --numbered --verbose --titleimage ../doc/images/cups-large.gif \
+	-f $pdffile $strfile
+
+echo ""
+
+if test $fail != 0; then
+	echo "$fail tests failed."
+else
+	echo "All tests were successful."
+fi
+
+echo ""
+echo "See the following files for details:"
+echo ""
+echo "    $htmlfile"
+echo "    $pdffile"
+echo ""
+
+#
+# End of "$Id$"
+#
diff --git a/test/set-attrs-hold.test b/test/set-attrs-hold.test
new file mode 100644
index 000000000..377819ae4
--- /dev/null
+++ b/test/set-attrs-hold.test
@@ -0,0 +1,180 @@
+# Test print-job and later job-hold-until attribute
+{
+	# The name of the test...
+	NAME "Disable printer..."
+
+	# The resource to use for the POST
+	RESOURCE /admin/
+
+	# The operation to use
+	OPERATION pause-printer
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
+
+{
+	# The name of the test...
+	NAME "Print job"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION print-job
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+	ATTR mimetype document-format application/postscript
+
+	GROUP job
+	ATTR integer copies 1
+
+	FILE ../data/testprint.ps
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-id
+	EXPECT job-uri
+}
+
+{
+	# The name of the test...
+	NAME "Get job attrs"
+
+	# The resource to use for the POST
+	RESOURCE /
+
+	# The operation to use
+	OPERATION get-job-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-state
+	EXPECT job-hold-until
+}
+
+{
+	# The name of the test...
+	NAME "Set job attrs with job-hold-until"
+
+	# The resource to use for the POST
+	# RESOURCE /admin
+
+	# The operation to use
+	OPERATION set-job-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+	ATTR name requesting-user-name $user
+
+	GROUP job
+	ATTR name job-hold-until 00:30:00
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
+
+{
+	# The name of the test...
+	NAME "Get job attrs again"
+
+	# The resource to use for the POST
+	RESOURCE /
+
+	# The operation to use
+	OPERATION get-job-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-state
+	EXPECT job-hold-until
+}
+
+{
+	# The name of the test...
+	NAME "Enable printer..."
+
+	# The resource to use for the POST
+	RESOURCE /admin/
+
+	# The operation to use
+	OPERATION resume-printer
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR name requesting-user-name $user
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+}
+
+{
+	# The name of the test...
+	NAME "Get job attrs (last time)"
+
+	# The resource to use for the POST
+	RESOURCE /
+
+	# The operation to use
+	OPERATION get-job-attributes
+
+	# Attributes, starting in the operation group...
+	GROUP operation
+	ATTR charset attributes-charset utf-8
+	ATTR language attributes-natural-language en
+	ATTR uri printer-uri $uri
+	ATTR integer job-id $job-id
+
+	# What statuses are OK?
+	STATUS ok
+	STATUS ok-subst
+
+	# What attributes do we expect?
+	EXPECT job-state
+	EXPECT job-hold-until
+}
diff --git a/test/str-header.html b/test/str-header.html
new file mode 100644
index 000000000..a2e93e876
--- /dev/null
+++ b/test/str-header.html
@@ -0,0 +1,35 @@
+<HTML>
+<HEAD>
+	<META NAME="Description" CONTENT="Common UNIX Printing System Software Test Report">
+	<META NAME="COPYRIGHT" CONTENT="Copyright 1997-2001, All Rights Reserved">
+	<META NAME="DOCNUMBER" CONTENT="CUPS-STR-1.1">
+	<META NAME="Author" CONTENT="Easy Software Products">
+	<TITLE>CUPS Software Test Report</TITLE>
+</HEAD>
+<BODY>
+
+<H1>Scope</H1>
+
+<H2>Identification</H2>
+
+<P>This software test report provides detailed test results that
+are used to evaluate the stability and compliance of the Common
+UNIX Printing System ("CUPS") Version 1.1.
+
+<EMBED SRC="../doc/system-overview.shtml">
+
+<H2>Document Overview</H2>
+
+<P>This software test plan is organized into the following sections:
+
+<UL>
+	<LI>1 - Scope</LI>
+	<LI>2 - References</LI>
+	<LI>3 - IPP Compliance Tests</LI>
+	<LI>4 - Command Tests</LI>
+	<LI>5 - Log Files</LI>
+	<LI>A - Glossary</LI>
+</UL>
+
+<EMBED SRC="../doc/references.shtml">
+
diff --git a/test/str-trailer.html b/test/str-trailer.html
new file mode 100644
index 000000000..4c8ddd526
--- /dev/null
+++ b/test/str-trailer.html
@@ -0,0 +1,5 @@
+<EMBED SRC="../doc/glossary.shtml">
+
+
+</BODY>
+</HTML>
diff --git a/test/testfile.jpg b/test/testfile.jpg
new file mode 100644
index 000000000..9f4b39938
--- /dev/null
+++ b/test/testfile.jpg
diff --git a/test/testfile.pdf b/test/testfile.pdf
new file mode 100644
index 000000000..8ae73cb58
--- /dev/null
+++ b/test/testfile.pdf
diff --git a/test/testfile.ps b/test/testfile.ps
new file mode 100644
index 000000000..4610affff
--- /dev/null
+++ b/test/testfile.ps
@@ -0,0 +1,512 @@
+%!PS-Adobe-3.0
+%%BoundingBox: 0 0 612 792
+%%Pages: 1
+%%LanguageLevel: 1
+%%DocumentData: Clean7Bit
+%%DocumentSuppliedResources: procset testprint/1.0
+%%DocumentNeededResources: font Helvetica Helvetica-Bold Times-Roman
+%%Creator: Michael Sweet, Easy Software Products
+%%CreationDate: May 11, 1999
+%%Title: Test Page
+%%EndComments
+%%BeginProlog
+%%BeginResource procset testprint 1.1 0
+%
+%   PostScript test page for the Common UNIX Printing System ("CUPS").
+%
+%   Copyright 1993-2002 Easy Software Products
+%
+%   These coded instructions, statements, and computer programs contain
+%   unpublished proprietary information of Easy Software Products, and
+%   are protected by Federal copyright law. They may not be disclosed
+%   to third parties or copied or duplicated in any form, in whole or
+%   in part, without the prior written consent of Easy Software Products.
+%
+/OCTANT {			% Draw a color wheel OCTANT...
+				% (name) radius r g b OCTANT -
+  % Loop through 100 shades...
+  0 0.010101 0.98 {
+    % Set the color...
+    3 index 1 eq		% R == 1?
+    3 index 1 eq		% G == 1?
+    3 index 1 eq		% B == 1?
+    and and {
+      0 index 4 index mul 	% R * val
+      1 index 4 index mul 	% G * val
+      2 index 4 index mul 	% B * val
+    } {
+      0 index 4 index mul 	% R * val
+      1 index neg 1 add	add	% + (1 - val)
+      1 index 4 index mul 	% G * val
+      2 index neg 1 add	add	% + (1 - val)
+      2 index 4 index mul 	% B * val
+      3 index neg 1 add	add	% + (1 - val)
+    } ifelse
+    setrgbcolor
+
+    % Draw a polygon...
+    dup 5 index mul dup 0	% x1, y1
+    moveto
+    0.707106781 mul dup lineto	% x2, y2
+
+    0.010101 add 4 index mul dup % x3
+    0.707106781 mul dup lineto	% x3, y3
+    0 lineto			% x4, y4
+    closepath
+    fill
+  } for
+
+  % Draw a line around the polygons...
+  pop pop pop dup
+  0 setgray
+  0 0 moveto
+  dup 0 lineto
+  0.707106781 mul dup lineto
+  closepath
+  stroke
+
+  % Draw the label...
+  0 exch dup -9 div exch	% text offset = 0, -radius/9
+  dup 0.923879532 mul		% x = radius * cos(22.5)
+  exch 0.382683432 mul		% y = radius * cos(22.5)
+  moveto			% position label
+  gsave
+    22.5 rotate			% rotate label
+    rmoveto			% offset label
+    show			% show label
+  grestore
+} bind def
+/CENTER {			% Draw centered text
+				% (name) CENTER -
+  dup stringwidth pop		% Get the width of the string
+  0.5 mul neg 0 rmoveto		% Shift left 1/2 of the distance
+  show				% Show the string
+} bind def
+/RIGHT {			% Draw right-justified text
+				% (name) RIGHT -
+  dup stringwidth pop		% Get the width of the string
+  neg 0 rmoveto			% Shift left the entire distance
+  show				% Show the string
+} bind def
+/NUMBER {			% Draw a number
+				% power n NUMBER -
+  1 index 1 eq {		% power == 1?
+    round cvi exch pop		% Convert "n" to integer
+  } {
+    1 index mul round exch div	% Truncate extra decimal places
+  } ifelse
+  100 string cvs show		% Convert to a string and show it...
+} bind def
+/CUPSLOGO {			% Draw the CUPS logo
+				% height CUPSLOGO
+  % Start with a big C...
+  /Helvetica findfont 1 index scalefont setfont
+  0 setgray
+  0 0 moveto
+  (C) show
+
+  % Then "UNIX Printing System" much smaller...
+  /Helvetica-Bold findfont 1 index 9 div scalefont setfont
+  0.25 mul
+  dup dup 2.0 mul moveto
+  (UNIX) show
+  dup dup 1.6 mul moveto
+  (Printing) show
+  dup 1.2 mul moveto
+  (System) show
+} bind def
+/ESPLOGO {			% Draw the ESP logo
+				% height ESPLOGO
+  % Compute the size of the logo...
+  0 0
+  2 index 1.5 mul 3 index
+
+  % Do the "metallic" fill from 10% black to 40% black...
+  1 -0.001 0 {
+    dup			% loopval
+    -0.15 mul		% loopval * -0.15
+    0.9 add		% 0.9 - loopval * 0.15
+    setgray		% set gray shade
+
+    0			% x
+    1 index neg		% loopval
+    1 add		% 1 - loopval
+    3 index		% height
+    mul			% height * (1 - loopval)
+    moveto		% starting point
+
+    dup			% loopval
+    3 index		% width
+    mul			% loopval * width
+    2 index		% height
+    lineto		% Next point
+
+    0			% x
+    2 index		% height
+    lineto		% Next point
+
+    closepath
+    fill
+
+    dup			% loopval
+    0.15 mul		% loopval * 0.15
+    0.6 add		% 0.6 + loopval * 0.15
+    setgray
+
+    dup			% loopval
+    neg 1 add		% 1 - loopval
+    3 index		% width
+    mul			% (1 - loopval) * width
+    0			% y
+    moveto		% Starting point
+
+    2 index		% width
+    exch		% loopval
+    2 index		% height
+    mul			% loopval * height
+    lineto		% Next point
+
+    1 index		% width
+    0			% y
+    lineto		% Next point
+
+    closepath
+    fill
+  } for
+
+  0 setgray rectstroke
+
+  /Helvetica-BoldOblique findfont 1 index 3 div scalefont setfont
+  dup 40 div
+
+  dup 4 mul 1 index 25 mul moveto (E) show
+  dup 10 mul 1 index 15 mul moveto (S) show
+  dup 16 mul 1 index 5 mul moveto (P) show
+
+  /Helvetica-BoldOblique findfont 2 index 5 div scalefont setfont
+  dup 14 mul 1 index 29 mul moveto (asy) show
+  dup 20 mul 1 index 19 mul moveto (oftware) show
+  dup 26 mul 1 index 9 mul moveto (roducts) show
+
+  pop
+} bind def
+%%EndResource
+%%EndProlog
+%%Page: 1 1
+gsave
+
+  % Determine the imageable area and device resolution...
+  initclip newpath clippath pathbbox	% Get bounding rectangle
+  72 div /pageTop exch def		% Get top margin in inches
+  72 div /pageRight exch def		% Get right margin in inches
+  72 div /pageBottom exch def		% Get bottom margin in inches
+  72 div /pageLeft exch def		% Get left margin in inches
+
+  4 setlinewidth			% Draw wide lines
+  0 setgray closepath stroke		% Draw a clipping rectangle
+  1 setlinewidth			% Draw normal lines
+
+  /pageWidth pageRight pageLeft sub def	% pageWidth = pageRight - pageLeft
+  /pageHeight pageTop pageBottom sub def% pageHeight = pageTop - pageBottom
+
+  72 72 dtransform			% Get device resolution per inch
+  /yResolution exch abs def		% yResolution = abs(yres)
+  /xResolution exch abs def		% xResolution = abs(xres)
+
+  % Figure out the sizes of things...
+  /wheelSize				% size of wheels
+  pageWidth pageHeight lt
+  { pageWidth 9 mul }
+  { pageHeight 7 mul }
+  ifelse def
+
+  % Create fonts...
+  /bigFont /Helvetica-Bold findfont	% bigFont = Helvetica-Bold
+  pageHeight 3 mul scalefont def	% size = pageHeight * 3 (nominally 33)
+
+  /mediumFont /Helvetica findfont	% mediumFont = Helvetica
+  pageHeight 1.5 mul scalefont def	% size = pageHeight * 1.5 (nominally 16.5)
+
+  /smallFont /Times-Roman findfont	% smallFont = Times-Roman
+  pageHeight scalefont def		% size = pageHeight (nominally 11)
+
+  % Offset page to account for lower-left margin...
+  pageLeft 72 mul
+  pageBottom 72 mul
+  translate
+
+  % Draw the color wheel...
+  mediumFont setfont			% Font
+  0 setgray				% Color
+
+  gsave
+    % Position the wheel on the left side...
+    pageWidth 18 mul			% x = pageWidth * 1/4 * 72
+    pageHeight 54 mul			% y = pageHeight * 3/4 * 72
+    translate
+
+    % Size the wheel...
+    wheelSize
+
+    % Draw the colors...
+    dup (C) exch 0 1 1 OCTANT 45 rotate
+    dup (M) exch 1 0 1 OCTANT 45 rotate
+    dup (Y) exch 1 1 0 OCTANT 45 rotate
+    dup (K) exch 0 0 0 OCTANT 45 rotate
+    dup (R) exch 1 0 0 OCTANT 45 rotate
+    dup (G) exch 0 1 0 OCTANT 45 rotate
+    dup (B) exch 0 0 1 OCTANT 45 rotate
+    (W) exch 1 1 1 OCTANT 45 rotate
+  grestore
+
+  % Label the color wheel...
+  pageWidth 18 mul			% x = pageWidth * 1/4 * 72
+  pageHeight 44 mul			% y = pageHeight * 19/32 * 72
+  moveto				% Position the text
+  (Color Wheel) CENTER			% Show the text centered
+
+  % Draw radial lines...
+  gsave
+    0 setlinewidth			% 1 pixel lines
+
+    % Position the lines on the left side...
+    pageWidth 54 mul			% x = pageWidth * 3/4 * 72
+    pageHeight 54 mul			% y = pageHeight * 3/4 * 72
+    translate
+
+    % Size the wheel...
+    wheelSize
+
+    % Loop at 1 degree increments
+    0 1 359 {
+      pop				% Discard angle - not used
+      0 0 moveto			% Start line at the center
+      dup 0 lineto			% Draw to the radius
+      1 rotate				% Rotate 1 degree
+    } for
+
+    pop					% Discard radius - not needed anymore
+    stroke      			% Draw lines...
+
+  grestore
+
+  % Label the lines...
+  pageWidth 54 mul			% x = pageWidth * 3/4 * 72
+  pageHeight 44 mul			% y = pageHeight * 19/32 * 72
+  moveto				% Position the text
+  (1 Degree Radial Lines) CENTER	% Show the text centered
+
+  % Imageable area...
+  pageHeight 15 mul			% Height of imageable area
+
+  pageWidth 4.5 mul			% x = pageWidth * 1/16 * 72
+  pageHeight 35.5 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 1/4 * 72
+  3 index				% height
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 4 mul			% x = pageWidth * 1/16 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 3/8 * 72
+  3 index				% height
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  pop					% Discard height
+
+  % Label the imageable area...
+  pageWidth 4 mul			% x = pageWidth * 1/16 * 72
+  pageHeight 37 mul			% y = pageHeight * 1/2 * 72
+  moveto				% Position the text
+  mediumFont setfont			% Font
+  (Imageable Area) show			% Show the text
+
+  smallFont setfont			% Font
+  pageWidth 14 mul			% x = pageWidth * 3/16 * 72
+  pageHeight 36 mul			% y = pageWidth * 1/2 * 72
+  pageHeight -2 mul add			% y -= 2 * smallFont height
+
+  % Page Size inches
+  2 copy moveto				% Move to x & y
+  (Page Size: ) RIGHT			% Label
+  100 pageWidth NUMBER			% pageWidth
+  (x) show				% "x"
+  100 pageHeight NUMBER			% pageHeight
+  (in) show				% "in"
+
+  % Page Size millimeters
+  pageHeight sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  10 pageWidth 25.4 mul NUMBER		% pageWidth
+  (x) show				% "x"
+  10 pageHeight 25.4 mul NUMBER		% pageHeight
+  (mm) show				% "mm"
+
+  % Lower-left inches
+  pageHeight 2 mul sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  (Lower-Left: ) RIGHT			% Label
+  100 pageLeft NUMBER			% pageLeft
+  (x) show				% "x"
+  100 pageBottom NUMBER			% pageBottom
+  (in) show				% "in"
+
+  % Lower-left millimeters
+  pageHeight sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  10 pageLeft 25.4 mul NUMBER		% pageLeft
+  (x) show				% "x"
+  10 pageBottom 25.4 mul NUMBER		% pageBottom
+  (mm) show				% "mm"
+
+  % Upper-right inches
+  pageHeight 2 mul sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  (Upper-Right: ) RIGHT			% Label
+  100 pageRight NUMBER			% pageRight
+  (x) show				% "x"
+  100 pageTop NUMBER			% pageTop
+  (in) show				% "in"
+
+  % Upper-right millimeters
+  pageHeight sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  10 pageRight 25.4 mul NUMBER		% pageRight
+  (x) show				% "x"
+  10 pageTop 25.4 mul NUMBER		% pageTop
+  (mm) show				% "mm"
+
+  % Resolution dots-per-inch
+  pageHeight 2 mul sub			% Move down...
+
+  2 copy moveto				% Move to x & y
+  (Resolution: ) RIGHT			% Label
+  1 xResolution NUMBER			% xResolution
+  (x) show				% "x"
+  1 yResolution NUMBER			% yResolution
+  (dpi) show				% "dpi"
+
+  % Resolution dots-per-meter
+  pageHeight sub			% Move down...
+
+  moveto				% Move to x & y
+  1 xResolution 39.27 mul NUMBER	% xResolution
+  (x) show				% "x"
+  1 yResolution 39.27 mul NUMBER	% yResolution
+  (dpm) show				% "dpm"
+
+  % Interpreter Information...
+  pageHeight 15 mul			% Height of interpreter information
+
+  pageWidth 40.5 mul			% x = pageWidth * 9/16 * 72
+  pageHeight 35.5 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 1/4 * 72
+  3 index				% height
+  0.5 setgray rectfill			% Draw a shadow
+
+  pageWidth 40 mul			% x = pageWidth * 9/16 * 72
+  pageHeight 36 mul			% y = pageHeight * 1/2 * 72
+  2 index sub				% y -= height
+  pageWidth 28 mul			% width = pageWidth * 3/8 * 72
+  3 index				% height
+  4 copy 1 setgray rectfill		% Clear the box to white
+  0 setgray rectstroke			% Draw a black box around it...
+
+  pop					% Discard height
+
+  % Label the interpreter info...
+  pageWidth 40 mul			% x = pageWidth * 9/16 * 72
+  pageHeight 37 mul			% y = pageHeight * 1/2 * 72
+  moveto				% Position the text
+  mediumFont setfont			% Font
+  (Interpreter Information) show	% Show the text
+
+  smallFont setfont			% Font
+  pageWidth 49 mul			% x = pageWidth * 11/16 * 72
+  pageHeight 36 mul			% y = pageWidth * 1/2 * 72
+  pageHeight 2 mul sub			% y -= 2 * smallFont height
+
+  % Language level
+  2 copy moveto				% Move to x & y
+  (PostScript: ) RIGHT			% Label
+  (Level ) show				% "Level "
+  1 languagelevel NUMBER		% Language level
+
+  % Version
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Move to x & y
+  (Version: ) RIGHT			% Label
+  version show				% Version
+  ( \() show				% " ("
+  1 revision NUMBER			% Revision
+  (\)) show				% ")"
+
+  % Product
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Move to x & y
+  (Product: ) RIGHT			% Label
+  product show				% Product name
+
+  % Serial Number
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Move to x & y
+  (Serial #: ) RIGHT			% Label
+  1 serialnumber NUMBER			% S/N
+
+  % Draw the label at the top...
+  pageWidth 36 mul			% Center of page
+  pageHeight 68 mul			% Top of page (15/16ths)
+  2 copy moveto				% Position text
+  bigFont setfont			% Font
+  (Printer Test Page) CENTER		% Show text centered
+
+  % Draw the copyright notice at the bottom...
+  pageWidth 36 mul			% Center of page
+  pageHeight 10 mul			% Bottom of page
+  2 copy moveto				% Position text
+  (Printed Using CUPS v1.1.x) CENTER	% Show text centered
+
+  pageHeight 2 mul sub			% Move down...
+  2 copy moveto				% Position text
+  smallFont setfont			% Font
+  (Copyright 1993-2002 Easy Software Products, All Rights Reserved.) CENTER
+  pageHeight sub			% Move down...
+  2 copy moveto				% Position text
+  (CUPS, and the CUPS logo are the trademark property of) CENTER
+  pageHeight sub			% Move down...
+  2 copy moveto				% Position text
+  (Easy Software Products, 44141 Airport View Drive, Suite 204,) CENTER
+  pageHeight sub			% Move down...
+  2 copy moveto				% Position text
+  (Hollywood, Maryland, 20636-3111, USA.) CENTER
+
+  % Then the CUPS logo....
+  gsave
+    pageWidth 4 mul
+    pageHeight 4 mul
+    translate
+    pageWidth 9 mul CUPSLOGO
+  grestore
+
+  % And the ESP logo....
+  gsave
+    pageWidth 59 mul
+    pageHeight 4 mul
+    translate
+    pageWidth 6 mul ESPLOGO
+  grestore
+% Show the page...
+grestore
+showpage
+%
+% End of "$Id: testfile.ps 2010 2002-01-02 17:59:21Z mike $".
+%
+%%EOF
diff --git a/test/testfile.txt b/test/testfile.txt
new file mode 100644
index 000000000..46bbf0848
--- /dev/null
+++ b/test/testfile.txt
@@ -0,0 +1,60 @@
+All work and no play makes Johhny a dull boy.  All work and no
+play makes Johhny a dull boy.  All work and no play makes Johhny
+a dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy. All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy. All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy. All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy. All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy. All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy. All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy.  All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.  All
+work and no play makes Johhny a dull boy. All work and no play
+makes Johhny a dull boy.  All work and no play makes Johhny a
+dull boy.  All work and no play makes Johhny a dull boy.
diff --git a/test/testhp.ppd b/test/testhp.ppd
new file mode 100644
index 000000000..c77d22178
--- /dev/null
+++ b/test/testhp.ppd
@@ -0,0 +1,195 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Test HP PPD file for the Common UNIX Printing System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"TESTHP.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*cupsVersion:	1.1
+*cupsManualCopies: True
+*cupsFilter:	"application/vnd.cups-raster 50 rastertohp"
+*ModelName:     "Test HP Printer"
+*ShortNickName: "Test HP Printer"
+*NickName:      "Test HP Printer CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*UIConstraints: *PageSize Executive *InputSlot Envelope
+*UIConstraints: *PageSize Letter *InputSlot Envelope
+*UIConstraints: *PageSize Legal *InputSlot Envelope
+*UIConstraints: *PageSize Tabloid *InputSlot Envelope
+*UIConstraints: *PageSize A3 *InputSlot Envelope
+*UIConstraints: *PageSize A4 *InputSlot Envelope
+*UIConstraints: *PageSize A5 *InputSlot Envelope
+*UIConstraints: *PageSize B5 *InputSlot Envelope
+*UIConstraints: *Resolution 600dpi *ColorModel CMYK
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageSize Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageSize A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageSize A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageSize B5/B5 (JIS):		"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageSize EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageSize Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageSize EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageSize EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageSize EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageRegion Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageRegion A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageRegion A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageRegion B5/B5 (JIS):	"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageRegion Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter/US Letter:	"18 36 594 756"
+*ImageableArea Legal/US Legal:		"18 36 594 972"
+*ImageableArea Executive/US Executive:	"18 36 504 684"
+*ImageableArea Tabloid/US Tabloid:	"18 36 774 1188"
+*ImageableArea A3/A3:			"18 36 824 1155"
+*ImageableArea A4/A4:			"18 36 577 806"
+*ImageableArea A5/A5:			"18 36 403 559"
+*ImageableArea B5/JIS B5:		"18 36 498 693"
+*ImageableArea EnvISOB5/B5 (ISO):	"18 36 463 673"
+*ImageableArea Env10/Com-10:		"18 36 279 648"
+*ImageableArea EnvC5/EnvC5:		"18 36 441 613"
+*ImageableArea EnvDL/EnvDL:		"18 36 294 588"
+*ImageableArea EnvMonarch/Envelope Monarch: "18 36 261 504"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter/US Letter:	"612 792"
+*PaperDimension Legal/US Legal:		"612 1008"
+*PaperDimension Executive/US Executive:	"522 756"
+*PaperDimension Tabloid/US Tabloid:	"792 1224"
+*PaperDimension A3/A3:			"842 1191"
+*PaperDimension A4/A4:			"595 842"
+*PaperDimension A5/A5:			"421 595"
+*PaperDimension B5/B5 (JIS):		"516 729"
+*PaperDimension EnvISOB5/Envelope B5:	"499 709"
+*PaperDimension Env10/Envelope #10:	"297 684"
+*PaperDimension EnvC5/Envelope C5:	"459 649"
+*PaperDimension EnvDL/Envelope DL:	"312 624"
+*PaperDimension EnvMonarch/Envelope Monarch: "279 540"
+
+*OpenUI *MediaType/Media Type: PickOne
+*OrderDependency: 10 AnySetup *MediaType
+*DefaultMediaType: Plain
+*MediaType Plain/Plain Paper:	"<</MediaType(Plain)/cupsMediaType 0>>setpagedevice"
+*MediaType Bond/Bond Paper:	"<</MediaType(Bond)/cupsMediaType 1>>setpagedevice"
+*MediaType Special/Special Paper: "<</MediaType(Special)/cupsMediaType 2>>setpagedevice"
+*MediaType Transparency/Transparency: "<</MediaType(Transparency)/cupsMediaType 3>>setpagedevice"
+*MediaType Glossy/Glossy Paper:	"<</MediaType(Glossy)/cupsMediaType 4>>setpagedevice"
+*CloseUI: *MediaType
+
+*OpenUI *InputSlot/Media Source: PickOne
+*OrderDependency: 10 AnySetup *InputSlot
+*DefaultInputSlot: Tray
+*InputSlot Tray/Tray: "<</cupsMediaPosition 1>>setpagedevice"
+*InputSlot Manual/Manual Feed: "<</cupsMediaPosition 2>>setpagedevice"
+*InputSlot Envelope/Envelope Feed: "<</cupsMediaPosition 3>>setpagedevice"
+*CloseUI: *InputSlot
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 100dpi
+*Resolution 75dpi/75 DPI: "<</HWResolution[75 75]>>setpagedevice"
+*Resolution 100dpi/100 DPI: "<</HWResolution[100 100]>>setpagedevice"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/CMYK Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 2>>setpagedevice"
+*ColorModel RGB/CMY Color: "<</cupsColorOrder 1/cupsColorSpace 4/cupsCompression 2>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/test/testps.ppd b/test/testps.ppd
new file mode 100644
index 000000000..63d42adf5
--- /dev/null
+++ b/test/testps.ppd
@@ -0,0 +1,192 @@
+*PPD-Adobe: "4.3"
+*%
+*% "$Id$"
+*%
+*%   Test PS PPD file for the Common UNIX Printing System (CUPS).
+*%
+*%   Copyright 1997-2002 by Easy Software Products.
+*%
+*%   These coded instructions, statements, and computer programs are the
+*%   property of Easy Software Products and are protected by Federal
+*%   copyright law.  Distribution and use rights are outlined in the file
+*%   "LICENSE.txt" which should have been included with this file.  If this
+*%   file is missing or damaged please contact Easy Software Products
+*%   at:
+*%
+*%       Attn: CUPS Licensing Information
+*%       Easy Software Products
+*%       44141 Airport View Drive, Suite 204
+*%       Hollywood, Maryland 20636-3111 USA
+*%
+*%       Voice: (301) 373-9603
+*%       EMail: cups-info@cups.org
+*%         WWW: http://www.cups.org
+*%
+*FormatVersion:	"4.3"
+*FileVersion:	"1.1"
+*LanguageVersion: English 
+*LanguageEncoding: ISOLatin1
+*PCFileName:	"TESTPS.PPD"
+*Manufacturer:	"ESP"
+*Product:	"(CUPS v1.1)"
+*ModelName:     "Test PS Printer"
+*ShortNickName: "Test PS Printer"
+*NickName:      "Test PS Printer CUPS v1.1"
+*PSVersion:	"(3010.000) 550"
+*LanguageLevel:	"3"
+*ColorDevice:	True
+*DefaultColorSpace: RGB
+*FileSystem:	False
+*Throughput:	"1"
+*LandscapeOrientation: Plus90
+*VariablePaperSize: False
+*TTRasterizer:	Type42
+
+*UIConstraints: *PageSize Executive *InputSlot Envelope
+*UIConstraints: *PageSize Letter *InputSlot Envelope
+*UIConstraints: *PageSize Legal *InputSlot Envelope
+*UIConstraints: *PageSize Tabloid *InputSlot Envelope
+*UIConstraints: *PageSize A3 *InputSlot Envelope
+*UIConstraints: *PageSize A4 *InputSlot Envelope
+*UIConstraints: *PageSize A5 *InputSlot Envelope
+*UIConstraints: *PageSize B5 *InputSlot Envelope
+*UIConstraints: *Resolution 600dpi *ColorModel CMYK
+
+*OpenUI *PageSize/Media Size: PickOne
+*OrderDependency: 10 AnySetup *PageSize
+*DefaultPageSize: Letter
+*PageSize Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageSize Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageSize Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageSize Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageSize A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageSize A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageSize A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageSize B5/B5 (JIS):		"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageSize EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageSize Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageSize EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageSize EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageSize EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageSize
+
+*OpenUI *PageRegion: PickOne
+*OrderDependency: 10 AnySetup *PageRegion
+*DefaultPageRegion: Letter
+*PageRegion Letter/US Letter:	"<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
+*PageRegion Legal/US Legal:	"<</PageSize[612 1008]/ImagingBBox null>>setpagedevice"
+*PageRegion Executive/US Executive: "<</PageSize[522 756]/ImagingBBox null>>setpagedevice"
+*PageRegion Tabloid/US Tabloid:	"<</PageSize[792 1224]/ImagingBBox null>>setpagedevice"
+*PageRegion A3/A3:		"<</PageSize[842 1191]/ImagingBBox null>>setpagedevice"
+*PageRegion A4/A4:		"<</PageSize[595 842]/ImagingBBox null>>setpagedevice"
+*PageRegion A5/A5:		"<</PageSize[421 595]/ImagingBBox null>>setpagedevice"
+*PageRegion B5/B5 (JIS):	"<</PageSize[516 729]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvISOB5/Envelope B5: "<</PageSize[499 709]/ImagingBBox null>>setpagedevice"
+*PageRegion Env10/Envelope #10:	"<</PageSize[297 684]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvC5/Envelope C5:	"<</PageSize[459 649]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvDL/Envelope DL:	"<</PageSize[312 624]/ImagingBBox null>>setpagedevice"
+*PageRegion EnvMonarch/Envelope Monarch: "<</PageSize[279 540]/ImagingBBox null>>setpagedevice"
+*CloseUI: *PageRegion
+
+*DefaultImageableArea: Letter 
+*ImageableArea Letter/US Letter:	"18 36 594 756"
+*ImageableArea Legal/US Legal:		"18 36 594 972"
+*ImageableArea Executive/US Executive:	"18 36 504 684"
+*ImageableArea Tabloid/US Tabloid:	"18 36 774 1188"
+*ImageableArea A3/A3:			"18 36 824 1155"
+*ImageableArea A4/A4:			"18 36 577 806"
+*ImageableArea A5/A5:			"18 36 403 559"
+*ImageableArea B5/JIS B5:		"18 36 498 693"
+*ImageableArea EnvISOB5/B5 (ISO):	"18 36 463 673"
+*ImageableArea Env10/Com-10:		"18 36 279 648"
+*ImageableArea EnvC5/EnvC5:		"18 36 441 613"
+*ImageableArea EnvDL/EnvDL:		"18 36 294 588"
+*ImageableArea EnvMonarch/Envelope Monarch: "18 36 261 504"
+
+*DefaultPaperDimension: Letter
+*PaperDimension Letter/US Letter:	"612 792"
+*PaperDimension Legal/US Legal:		"612 1008"
+*PaperDimension Executive/US Executive:	"522 756"
+*PaperDimension Tabloid/US Tabloid:	"792 1224"
+*PaperDimension A3/A3:			"842 1191"
+*PaperDimension A4/A4:			"595 842"
+*PaperDimension A5/A5:			"421 595"
+*PaperDimension B5/B5 (JIS):		"516 729"
+*PaperDimension EnvISOB5/Envelope B5:	"499 709"
+*PaperDimension Env10/Envelope #10:	"297 684"
+*PaperDimension EnvC5/Envelope C5:	"459 649"
+*PaperDimension EnvDL/Envelope DL:	"312 624"
+*PaperDimension EnvMonarch/Envelope Monarch: "279 540"
+
+*OpenUI *MediaType/Media Type: PickOne
+*OrderDependency: 10 AnySetup *MediaType
+*DefaultMediaType: Plain
+*MediaType Plain/Plain Paper:	"<</MediaType(Plain)/cupsMediaType 0>>setpagedevice"
+*MediaType Bond/Bond Paper:	"<</MediaType(Bond)/cupsMediaType 1>>setpagedevice"
+*MediaType Special/Special Paper: "<</MediaType(Special)/cupsMediaType 2>>setpagedevice"
+*MediaType Transparency/Transparency: "<</MediaType(Transparency)/cupsMediaType 3>>setpagedevice"
+*MediaType Glossy/Glossy Paper:	"<</MediaType(Glossy)/cupsMediaType 4>>setpagedevice"
+*CloseUI: *MediaType
+
+*OpenUI *InputSlot/Media Source: PickOne
+*OrderDependency: 10 AnySetup *InputSlot
+*DefaultInputSlot: Tray
+*InputSlot Tray/Tray: "<</cupsMediaPosition 1>>setpagedevice"
+*InputSlot Manual/Manual Feed: "<</cupsMediaPosition 2>>setpagedevice"
+*InputSlot Envelope/Envelope Feed: "<</cupsMediaPosition 3>>setpagedevice"
+*CloseUI: *InputSlot
+
+*OpenUI *Resolution/Output Resolution: PickOne
+*OrderDependency: 20 AnySetup *Resolution
+*DefaultResolution: 100dpi
+*Resolution 75dpi/75 DPI: "<</HWResolution[75 75]>>setpagedevice"
+*Resolution 100dpi/100 DPI: "<</HWResolution[100 100]>>setpagedevice"
+*CloseUI: *Resolution
+
+*OpenUI *ColorModel/Output Mode: PickOne
+*OrderDependency: 10 AnySetup *ColorModel
+*DefaultColorModel: CMYK
+*ColorModel CMYK/CMYK Color: "<</cupsColorOrder 1/cupsColorSpace 8/cupsCompression 2>>setpagedevice"
+*ColorModel RGB/CMY Color: "<</cupsColorOrder 1/cupsColorSpace 4/cupsCompression 2>>setpagedevice"
+*ColorModel Gray/Grayscale: "<</cupsColorOrder 0/cupsColorSpace 3/cupsCompression 2>>setpagedevice"
+*CloseUI: *ColorModel
+
+*DefaultFont: Courier
+*Font AvantGarde-Book: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-BookOblique: Standard "(001.006S)" Standard ROM
+*Font AvantGarde-Demi: Standard "(001.007S)" Standard ROM
+*Font AvantGarde-DemiOblique: Standard "(001.007S)" Standard ROM
+*Font Bookman-Demi: Standard "(001.004S)" Standard ROM
+*Font Bookman-DemiItalic: Standard "(001.004S)" Standard ROM
+*Font Bookman-Light: Standard "(001.004S)" Standard ROM
+*Font Bookman-LightItalic: Standard "(001.004S)" Standard ROM
+*Font Courier: Standard "(002.004S)" Standard ROM
+*Font Courier-Bold: Standard "(002.004S)" Standard ROM
+*Font Courier-BoldOblique: Standard "(002.004S)" Standard ROM
+*Font Courier-Oblique: Standard "(002.004S)" Standard ROM
+*Font Helvetica: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Narrow-Bold: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-BoldOblique: Standard "(001.007S)" Standard ROM
+*Font Helvetica-Narrow-Oblique: Standard "(001.006S)" Standard ROM
+*Font Helvetica-Oblique: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Bold: Standard "(001.009S)" Standard ROM
+*Font NewCenturySchlbk-BoldItalic: Standard "(001.007S)" Standard ROM
+*Font NewCenturySchlbk-Italic: Standard "(001.006S)" Standard ROM
+*Font NewCenturySchlbk-Roman: Standard "(001.007S)" Standard ROM
+*Font Palatino-Bold: Standard "(001.005S)" Standard ROM
+*Font Palatino-BoldItalic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Italic: Standard "(001.005S)" Standard ROM
+*Font Palatino-Roman: Standard "(001.005S)" Standard ROM
+*Font Symbol: Special "(001.007S)" Special ROM
+*Font Times-Bold: Standard "(001.007S)" Standard ROM
+*Font Times-BoldItalic: Standard "(001.009S)" Standard ROM
+*Font Times-Italic: Standard "(001.007S)" Standard ROM
+*Font Times-Roman: Standard "(001.007S)" Standard ROM
+*Font ZapfChancery-MediumItalic: Standard "(001.007S)" Standard ROM
+*Font ZapfDingbats: Special "(001.004S)" Standard ROM
+*%
+*% End of "$Id$".
+*%
diff --git a/visualc/config.h b/visualc/config.h
new file mode 100644
index 000000000..81f53b490
--- /dev/null
+++ b/visualc/config.h
@@ -0,0 +1,147 @@
+/*
+ * "$Id$"
+ *
+ *   Configuration file for the Common UNIX Printing System (CUPS).
+ *
+ *   @configure_input@
+ *
+ *   Copyright 1997-2002 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636-3111 USA
+ *
+ *       Voice: (301) 373-9603
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ */
+
+/*
+ * Version of software...
+ */
+
+#define CUPS_SVERSION	"CUPS v1.1.9"
+
+/*
+ * Where are files stored?
+ */
+
+#define CUPS_LOCALEDIR	"C:/CUPS/locale"
+#define CUPS_SERVERROOT	"C:/CUPS/etc"
+#define CUPS_SERVERBIN	"C:/CUPS"
+#define CUPS_DOCROOT	"C:/CUPS/share/doc"
+#define CUPS_REQUESTS	"C:/CUPS/spool"
+#define CUPS_LOGDIR	"C:/CUPS/logs"
+#define CUPS_DATADIR    "C:/CUPS/share"
+#define CUPS_FONTPATH	"C:/CUPS/share/fonts"
+
+/*
+ * What is the format string for strftime?
+ */
+
+#define CUPS_STRFTIME_FORMAT	"%c"
+
+/*
+ * Do we have various image libraries?
+ */
+
+#undef HAVE_LIBPNG
+#undef HAVE_LIBZ
+#undef HAVE_LIBJPEG
+#undef HAVE_LIBTIFF
+
+/*
+ * Does this machine store words in big-endian (MSB-first) order?
+ */
+
+#undef WORDS_BIGENDIAN
+
+/*
+ * Which directory functions and headers do we use?
+ */
+
+#undef HAVE_DIRENT_H
+#undef HAVE_SYS_DIR_H
+#undef HAVE_SYS_NDIR_H
+#undef HAVE_NDIR_H
+
+/*
+ * Do we have PAM stuff?
+ */
+
+#ifndef HAVE_LIBPAM
+#define HAVE_LIBPAM 0
+#endif /* !HAVE_LIBPAM */
+
+/*
+ * Do we have <shadow.h>?
+ */
+
+#undef HAVE_SHADOW_H
+
+/*
+ * Do we have <crypt.h>?
+ */
+
+#undef HAVE_CRYPT_H
+
+/*
+ * Do we have the strXXX() functions?
+ */
+
+#define HAVE_STRDUP
+#define HAVE_STRCASECMP
+#define HAVE_STRNCASECMP
+
+/*
+ * Do we have the vsyslog() function?
+ */
+
+#undef HAVE_VSYSLOG
+
+/*
+ * Do we have the (v)snprintf() functions?
+ */
+
+#undef HAVE_SNPRINTF
+#undef HAVE_VSNPRINTF
+
+/*
+ * What signal functions to use?
+ */
+
+#undef HAVE_SIGSET
+#undef HAVE_SIGACTION
+
+/*
+ * What wait functions to use?
+ */
+
+#undef HAVE_WAITPID
+#undef HAVE_WAIT3
+
+/*
+ * Do we have the mallinfo function and malloc.h?
+ */
+
+#undef HAVE_MALLINFO
+#undef HAVE_MALLOC_H
+
+/*
+ * Do we have the OpenSSL library?
+ */
+
+#undef HAVE_LIBSSL
+
+
+/*
+ * End of "$Id$".
+ */
diff --git a/visualc/jpeg.dsp b/visualc/jpeg.dsp
new file mode 100644
index 000000000..f4816d978
--- /dev/null
+++ b/visualc/jpeg.dsp
@@ -0,0 +1,284 @@
+# Microsoft Developer Studio Project File - Name="jpeg" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Static Library" 0x0104

+

+CFG=jpeg - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "jpeg.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "jpeg.mak" CFG="jpeg - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "jpeg - Win32 Release" (based on "Win32 (x86) Static Library")

+!MESSAGE "jpeg - Win32 Debug" (based on "Win32 (x86) Static Library")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "jpeg - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c

+# ADD CPP /nologo /MT /W3 /GX /Ot /Op /Ob2 /I "../visualc" /I "../zlib" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "WIN32_LEAN_AND_MEAN" /D "VC_EXTRA_LEAN" /D "WIN32_EXTRA_LEAN" /YX /FD /c

+# SUBTRACT CPP /Os

+# ADD BASE RSC /l 0x409

+# ADD RSC /l 0x409

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LIB32=link.exe -lib

+# ADD BASE LIB32 /nologo

+# ADD LIB32 /nologo /out:"jpeg.lib"

+

+!ELSEIF  "$(CFG)" == "jpeg - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c

+# ADD CPP /nologo /MTd /GX /Zi /Od /I "../visualc" /I "../zlib" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "WIN32_LEAN_AND_MEAN" /D "VC_EXTRA_LEAN" /D "WIN32_EXTRA_LEAN" /YX /FD /c

+# ADD BASE RSC /l 0x409

+# ADD RSC /l 0x409

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LIB32=link.exe -lib

+# ADD BASE LIB32 /nologo

+# ADD LIB32 /nologo /out:"jpegd.lib"

+

+!ENDIF 

+

+# Begin Target

+

+# Name "jpeg - Win32 Release"

+# Name "jpeg - Win32 Debug"

+# Begin Source File

+

+SOURCE=..\jpeg\jcapimin.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcapistd.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jccoefct.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jccolor.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcdctmgr.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jchuff.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcinit.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcmainct.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcmarker.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcmaster.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcomapi.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcparam.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcphuff.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcprepct.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jcsample.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jctrans.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdapimin.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdapistd.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdatadst.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdatasrc.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdcoefct.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdcolor.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jddctmgr.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdhuff.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdinput.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdmainct.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdmarker.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdmaster.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdmerge.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdphuff.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdpostct.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdsample.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jdtrans.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jerror.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jfdctflt.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jfdctfst.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jfdctint.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jidctflt.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jidctfst.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jidctint.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jidctred.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jmemmgr.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jmemnobs.c

+

+!IF  "$(CFG)" == "jpeg - Win32 Release"

+

+# ADD CPP /MT

+

+!ELSEIF  "$(CFG)" == "jpeg - Win32 Debug"

+

+# ADD CPP /MTd

+

+!ENDIF 

+

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jpegtran.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jquant1.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jquant2.c

+# End Source File

+# Begin Source File

+

+SOURCE=..\jpeg\jutils.c

+# End Source File

+# End Target

+# End Project

diff --git a/visualc/libpng.dsp b/visualc/libpng.dsp
new file mode 100644
index 000000000..e83faba7a
--- /dev/null
+++ b/visualc/libpng.dsp
@@ -0,0 +1,149 @@
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new file mode 100644
index 000000000..016b5b769
--- /dev/null
+++ b/visualc/zlib.dsp
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